diff --git a/sys/dev/bnxt/bnxt_en/bnxt.h b/sys/dev/bnxt/bnxt_en/bnxt.h index 77a7601bb308..b0c3a8913622 100644 --- a/sys/dev/bnxt/bnxt_en/bnxt.h +++ b/sys/dev/bnxt/bnxt_en/bnxt.h @@ -1,1316 +1,1316 @@ /*- * Broadcom NetXtreme-C/E network driver. * * Copyright (c) 2016 Broadcom, All Rights Reserved. * The term Broadcom refers to Broadcom Limited and/or its subsidiaries * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include #ifndef _BNXT_H #define _BNXT_H #include #include #include #include #include #include #include #include #include #include #include #include "hsi_struct_def.h" #include "bnxt_dcb.h" #include "bnxt_auxbus_compat.h" #define DFLT_HWRM_CMD_TIMEOUT 500 /* PCI IDs */ #define BROADCOM_VENDOR_ID 0x14E4 #define BCM57301 0x16c8 #define BCM57302 0x16c9 #define BCM57304 0x16ca #define BCM57311 0x16ce #define BCM57312 0x16cf #define BCM57314 0x16df #define BCM57402 0x16d0 #define BCM57402_NPAR 0x16d4 #define BCM57404 0x16d1 #define BCM57404_NPAR 0x16e7 #define BCM57406 0x16d2 #define BCM57406_NPAR 0x16e8 #define BCM57407 0x16d5 #define BCM57407_NPAR 0x16ea #define BCM57407_SFP 0x16e9 #define BCM57412 0x16d6 #define BCM57412_NPAR1 0x16de #define BCM57412_NPAR2 0x16eb #define BCM57414 0x16d7 #define BCM57414_NPAR1 0x16ec #define BCM57414_NPAR2 0x16ed #define BCM57416 0x16d8 #define BCM57416_NPAR1 0x16ee #define BCM57416_NPAR2 0x16ef #define BCM57416_SFP 0x16e3 #define BCM57417 0x16d9 #define BCM57417_NPAR1 0x16c0 #define BCM57417_NPAR2 0x16cc #define BCM57417_SFP 0x16e2 #define BCM57454 0x1614 #define BCM58700 0x16cd #define BCM57508 0x1750 #define BCM57504 0x1751 #define BCM57504_NPAR 0x1801 #define BCM57502 0x1752 #define NETXTREME_C_VF1 0x16cb #define NETXTREME_C_VF2 0x16e1 #define NETXTREME_C_VF3 0x16e5 #define NETXTREME_E_VF1 0x16c1 #define NETXTREME_E_VF2 0x16d3 #define NETXTREME_E_VF3 0x16dc #define EVENT_DATA1_RESET_NOTIFY_FATAL(data1) \ (((data1) & \ HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_MASK) ==\ HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL) #define BNXT_EVENT_ERROR_REPORT_TYPE(data1) \ (((data1) & \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_MASK) >> \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_SFT) #define BNXT_EVENT_INVALID_SIGNAL_DATA(data2) \ (((data2) & \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_INVALID_SIGNAL_EVENT_DATA2_PIN_ID_MASK) >> \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_INVALID_SIGNAL_EVENT_DATA2_PIN_ID_SFT) #define BNXT_EVENT_DBR_EPOCH(data) \ (((data) & HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_DOORBELL_DROP_THRESHOLD_EVENT_DATA1_EPOCH_MASK) >> \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_DOORBELL_DROP_THRESHOLD_EVENT_DATA1_EPOCH_SFT) #define BNXT_EVENT_THERMAL_THRESHOLD_TEMP(data2) \ (((data2) & \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA2_THRESHOLD_TEMP_MASK) >> \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA2_THRESHOLD_TEMP_SFT) #define EVENT_DATA2_NVM_ERR_ADDR(data2) \ (((data2) & \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_NVM_EVENT_DATA2_ERR_ADDR_MASK) >> \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_NVM_EVENT_DATA2_ERR_ADDR_SFT) #define EVENT_DATA1_THERMAL_THRESHOLD_DIR_INCREASING(data1) \ (((data1) & \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA1_TRANSITION_DIR) == \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA1_TRANSITION_DIR_INCREASING) #define EVENT_DATA1_NVM_ERR_TYPE_WRITE(data1) \ (((data1) & \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_NVM_EVENT_DATA1_NVM_ERR_TYPE_MASK) == \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_NVM_EVENT_DATA1_NVM_ERR_TYPE_WRITE) #define EVENT_DATA1_NVM_ERR_TYPE_ERASE(data1) \ (((data1) & \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_NVM_EVENT_DATA1_NVM_ERR_TYPE_MASK) == \ HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_NVM_EVENT_DATA1_NVM_ERR_TYPE_ERASE) #define EVENT_DATA1_THERMAL_THRESHOLD_TYPE(data1) \ ((data1) & HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA1_THRESHOLD_TYPE_MASK) #define BNXT_EVENT_THERMAL_CURRENT_TEMP(data2) \ ((data2) & HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA2_CURRENT_TEMP_MASK) #define EVENT_DATA1_RESET_NOTIFY_FW_ACTIVATION(data1) \ (((data1) & \ HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_MASK) ==\ HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_FW_ACTIVATION) #define EVENT_DATA2_RESET_NOTIFY_FW_STATUS_CODE(data2) \ ((data2) & \ HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA2_FW_STATUS_CODE_MASK) #define EVENT_DATA1_RECOVERY_ENABLED(data1) \ !!((data1) & \ HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_RECOVERY_ENABLED) #define EVENT_DATA1_RECOVERY_MASTER_FUNC(data1) \ !!((data1) & \ HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_MASTER_FUNC) #define INVALID_STATS_CTX_ID -1 /* Maximum numbers of RX and TX descriptors. iflib requires this to be a power * of two. The hardware has no particular limitation. */ #define BNXT_MAX_RXD ((INT32_MAX >> 1) + 1) #define BNXT_MAX_TXD ((INT32_MAX >> 1) + 1) #define CSUM_OFFLOAD (CSUM_IP_TSO|CSUM_IP6_TSO|CSUM_IP| \ CSUM_IP_UDP|CSUM_IP_TCP|CSUM_IP_SCTP| \ CSUM_IP6_UDP|CSUM_IP6_TCP|CSUM_IP6_SCTP) #define BNXT_MAX_MTU 9600 #define BNXT_RSS_HASH_TYPE_TCPV4 0 #define BNXT_RSS_HASH_TYPE_UDPV4 1 #define BNXT_RSS_HASH_TYPE_IPV4 2 #define BNXT_RSS_HASH_TYPE_TCPV6 3 #define BNXT_RSS_HASH_TYPE_UDPV6 4 #define BNXT_RSS_HASH_TYPE_IPV6 5 #define BNXT_GET_RSS_PROFILE_ID(rss_hash_type) ((rss_hash_type >> 1) & 0x1F) #define BNXT_NO_MORE_WOL_FILTERS 0xFFFF #define bnxt_wol_supported(softc) (!((softc)->flags & BNXT_FLAG_VF) && \ ((softc)->flags & BNXT_FLAG_WOL_CAP )) /* 64-bit doorbell */ #define DBR_INDEX_MASK 0x0000000000ffffffULL #define DBR_PI_LO_MASK 0xff000000UL #define DBR_PI_LO_SFT 24 #define DBR_XID_MASK 0x000fffff00000000ULL #define DBR_XID_SFT 32 #define DBR_PI_HI_MASK 0xf0000000000000ULL #define DBR_PI_HI_SFT 52 #define DBR_PATH_L2 (0x1ULL << 56) #define DBR_VALID (0x1ULL << 58) #define DBR_TYPE_SQ (0x0ULL << 60) #define DBR_TYPE_RQ (0x1ULL << 60) #define DBR_TYPE_SRQ (0x2ULL << 60) #define DBR_TYPE_SRQ_ARM (0x3ULL << 60) #define DBR_TYPE_CQ (0x4ULL << 60) #define DBR_TYPE_CQ_ARMSE (0x5ULL << 60) #define DBR_TYPE_CQ_ARMALL (0x6ULL << 60) #define DBR_TYPE_CQ_ARMENA (0x7ULL << 60) #define DBR_TYPE_SRQ_ARMENA (0x8ULL << 60) #define DBR_TYPE_CQ_CUTOFF_ACK (0x9ULL << 60) #define DBR_TYPE_NQ (0xaULL << 60) #define DBR_TYPE_NQ_ARM (0xbULL << 60) #define DBR_TYPE_PUSH_START (0xcULL << 60) #define DBR_TYPE_PUSH_END (0xdULL << 60) #define DBR_TYPE_NULL (0xfULL << 60) #define BNXT_MAX_L2_QUEUES 128 #define BNXT_ROCE_IRQ_COUNT 9 #define BNXT_MAX_NUM_QUEUES (BNXT_MAX_L2_QUEUES + BNXT_ROCE_IRQ_COUNT) /* Completion related defines */ #define CMP_VALID(cmp, v_bit) \ ((!!(((struct cmpl_base *)(cmp))->info3_v & htole32(CMPL_BASE_V))) == !!(v_bit) ) /* Chip class phase 5 */ #define BNXT_CHIP_P5(sc) ((sc->flags & BNXT_FLAG_CHIP_P5)) #define DB_PF_OFFSET_P5 0x10000 #define DB_VF_OFFSET_P5 0x4000 #define NQ_VALID(cmp, v_bit) \ ((!!(((nq_cn_t *)(cmp))->v & htole32(NQ_CN_V))) == !!(v_bit) ) #ifndef DIV_ROUND_UP #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) #endif #ifndef roundup #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) #endif #define NEXT_CP_CONS_V(ring, cons, v_bit) do { \ if (__predict_false(++(cons) == (ring)->ring_size)) \ ((cons) = 0, (v_bit) = !v_bit); \ } while (0) #define RING_NEXT(ring, idx) (__predict_false(idx + 1 == (ring)->ring_size) ? \ 0 : idx + 1) #define CMPL_PREFETCH_NEXT(cpr, idx) \ __builtin_prefetch(&((struct cmpl_base *)(cpr)->ring.vaddr)[((idx) +\ (CACHE_LINE_SIZE / sizeof(struct cmpl_base))) & \ ((cpr)->ring.ring_size - 1)]) /* Lock macros */ #define BNXT_HWRM_LOCK_INIT(_softc, _name) \ mtx_init(&(_softc)->hwrm_lock, _name, "BNXT HWRM Lock", MTX_DEF) #define BNXT_HWRM_LOCK(_softc) mtx_lock(&(_softc)->hwrm_lock) #define BNXT_HWRM_UNLOCK(_softc) mtx_unlock(&(_softc)->hwrm_lock) #define BNXT_HWRM_LOCK_DESTROY(_softc) mtx_destroy(&(_softc)->hwrm_lock) #define BNXT_HWRM_LOCK_ASSERT(_softc) mtx_assert(&(_softc)->hwrm_lock, \ MA_OWNED) #define BNXT_IS_FLOW_CTRL_CHANGED(link_info) \ ((link_info->last_flow_ctrl.tx != link_info->flow_ctrl.tx) || \ (link_info->last_flow_ctrl.rx != link_info->flow_ctrl.rx) || \ (link_info->last_flow_ctrl.autoneg != link_info->flow_ctrl.autoneg)) /* Chip info */ #define BNXT_TSO_SIZE UINT16_MAX #define min_t(type, x, y) ({ \ type __min1 = (x); \ type __min2 = (y); \ __min1 < __min2 ? __min1 : __min2; }) #define max_t(type, x, y) ({ \ type __max1 = (x); \ type __max2 = (y); \ __max1 > __max2 ? __max1 : __max2; }) #define clamp_t(type, _x, min, max) min_t(type, max_t(type, _x, min), max) #define BNXT_IFMEDIA_ADD(supported, fw_speed, ifm_speed) do { \ if ((supported) & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_ ## fw_speed) \ ifmedia_add(softc->media, IFM_ETHER | (ifm_speed), 0, NULL); \ } while(0) #define BNXT_MIN_FRAME_SIZE 52 /* Frames must be padded to this size for some A0 chips */ #define BNXT_RX_STATS_EXT_OFFSET(counter) \ (offsetof(struct rx_port_stats_ext, counter) / 8) #define BNXT_RX_STATS_EXT_NUM_LEGACY \ BNXT_RX_STATS_EXT_OFFSET(rx_fec_corrected_blocks) #define BNXT_TX_STATS_EXT_OFFSET(counter) \ (offsetof(struct tx_port_stats_ext, counter) / 8) extern const char bnxt_driver_version[]; typedef void (*bnxt_doorbell_tx)(void *, uint16_t idx); typedef void (*bnxt_doorbell_rx)(void *, uint16_t idx); typedef void (*bnxt_doorbell_rx_cq)(void *, bool); typedef void (*bnxt_doorbell_tx_cq)(void *, bool); typedef void (*bnxt_doorbell_nq)(void *, bool); typedef struct bnxt_doorbell_ops { bnxt_doorbell_tx bnxt_db_tx; bnxt_doorbell_rx bnxt_db_rx; bnxt_doorbell_rx_cq bnxt_db_rx_cq; bnxt_doorbell_tx_cq bnxt_db_tx_cq; bnxt_doorbell_nq bnxt_db_nq; } bnxt_dooorbell_ops_t; /* NVRAM access */ enum bnxt_nvm_directory_type { BNX_DIR_TYPE_UNUSED = 0, BNX_DIR_TYPE_PKG_LOG = 1, BNX_DIR_TYPE_UPDATE = 2, BNX_DIR_TYPE_CHIMP_PATCH = 3, BNX_DIR_TYPE_BOOTCODE = 4, BNX_DIR_TYPE_VPD = 5, BNX_DIR_TYPE_EXP_ROM_MBA = 6, BNX_DIR_TYPE_AVS = 7, BNX_DIR_TYPE_PCIE = 8, BNX_DIR_TYPE_PORT_MACRO = 9, BNX_DIR_TYPE_APE_FW = 10, BNX_DIR_TYPE_APE_PATCH = 11, BNX_DIR_TYPE_KONG_FW = 12, BNX_DIR_TYPE_KONG_PATCH = 13, BNX_DIR_TYPE_BONO_FW = 14, BNX_DIR_TYPE_BONO_PATCH = 15, BNX_DIR_TYPE_TANG_FW = 16, BNX_DIR_TYPE_TANG_PATCH = 17, BNX_DIR_TYPE_BOOTCODE_2 = 18, BNX_DIR_TYPE_CCM = 19, BNX_DIR_TYPE_PCI_CFG = 20, BNX_DIR_TYPE_TSCF_UCODE = 21, BNX_DIR_TYPE_ISCSI_BOOT = 22, BNX_DIR_TYPE_ISCSI_BOOT_IPV6 = 24, BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6 = 25, BNX_DIR_TYPE_ISCSI_BOOT_CFG6 = 26, BNX_DIR_TYPE_EXT_PHY = 27, BNX_DIR_TYPE_SHARED_CFG = 40, BNX_DIR_TYPE_PORT_CFG = 41, BNX_DIR_TYPE_FUNC_CFG = 42, BNX_DIR_TYPE_MGMT_CFG = 48, BNX_DIR_TYPE_MGMT_DATA = 49, BNX_DIR_TYPE_MGMT_WEB_DATA = 50, BNX_DIR_TYPE_MGMT_WEB_META = 51, BNX_DIR_TYPE_MGMT_EVENT_LOG = 52, BNX_DIR_TYPE_MGMT_AUDIT_LOG = 53 }; enum bnxnvm_pkglog_field_index { BNX_PKG_LOG_FIELD_IDX_INSTALLED_TIMESTAMP = 0, BNX_PKG_LOG_FIELD_IDX_PKG_DESCRIPTION = 1, BNX_PKG_LOG_FIELD_IDX_PKG_VERSION = 2, BNX_PKG_LOG_FIELD_IDX_PKG_TIMESTAMP = 3, BNX_PKG_LOG_FIELD_IDX_PKG_CHECKSUM = 4, BNX_PKG_LOG_FIELD_IDX_INSTALLED_ITEMS = 5, BNX_PKG_LOG_FIELD_IDX_INSTALLED_MASK = 6 }; #define BNX_DIR_ORDINAL_FIRST 0 #define BNX_DIR_EXT_NONE 0 struct bnxt_bar_info { struct resource *res; bus_space_tag_t tag; bus_space_handle_t handle; bus_size_t size; int rid; }; struct bnxt_flow_ctrl { bool rx; bool tx; bool autoneg; }; struct bnxt_link_info { uint8_t media_type; uint8_t transceiver; uint8_t phy_addr; uint8_t phy_link_status; uint8_t wire_speed; uint8_t loop_back; uint8_t link_up; uint8_t last_link_up; uint8_t duplex; uint8_t last_duplex; uint8_t last_phy_type; struct bnxt_flow_ctrl flow_ctrl; struct bnxt_flow_ctrl last_flow_ctrl; uint8_t duplex_setting; uint8_t auto_mode; #define PHY_VER_LEN 3 uint8_t phy_ver[PHY_VER_LEN]; uint8_t phy_type; #define BNXT_PHY_STATE_ENABLED 0 #define BNXT_PHY_STATE_DISABLED 1 uint8_t phy_state; uint16_t link_speed; uint16_t support_speeds; uint16_t support_pam4_speeds; uint16_t auto_link_speeds; uint16_t auto_pam4_link_speeds; uint16_t force_link_speed; uint16_t force_pam4_link_speed; bool force_pam4_speed_set_by_user; uint16_t advertising; uint16_t advertising_pam4; uint32_t preemphasis; uint16_t support_auto_speeds; uint16_t support_force_speeds; uint16_t support_pam4_auto_speeds; uint16_t support_pam4_force_speeds; #define BNXT_SIG_MODE_NRZ HWRM_PORT_PHY_QCFG_OUTPUT_SIGNAL_MODE_NRZ #define BNXT_SIG_MODE_PAM4 HWRM_PORT_PHY_QCFG_OUTPUT_SIGNAL_MODE_PAM4 uint8_t req_signal_mode; uint8_t active_fec_sig_mode; uint8_t sig_mode; /* copy of requested setting */ uint8_t autoneg; #define BNXT_AUTONEG_SPEED 1 #define BNXT_AUTONEG_FLOW_CTRL 2 uint8_t req_duplex; uint16_t req_link_speed; uint8_t module_status; struct hwrm_port_phy_qcfg_output phy_qcfg_resp; }; enum bnxt_phy_type { BNXT_MEDIA_CR = 0, BNXT_MEDIA_LR, BNXT_MEDIA_SR, BNXT_MEDIA_KR, BNXT_MEDIA_END }; enum bnxt_cp_type { BNXT_DEFAULT, BNXT_TX, BNXT_RX, BNXT_SHARED }; struct bnxt_queue_info { uint8_t queue_id; uint8_t queue_profile; }; struct bnxt_func_info { uint32_t fw_fid; uint8_t mac_addr[ETHER_ADDR_LEN]; uint16_t max_rsscos_ctxs; uint16_t max_cp_rings; uint16_t max_tx_rings; uint16_t max_rx_rings; uint16_t max_hw_ring_grps; uint16_t max_irqs; uint16_t max_l2_ctxs; uint16_t max_vnics; uint16_t max_stat_ctxs; }; struct bnxt_pf_info { #define BNXT_FIRST_PF_FID 1 #define BNXT_FIRST_VF_FID 128 uint8_t port_id; uint32_t first_vf_id; uint16_t active_vfs; uint16_t max_vfs; uint32_t max_encap_records; uint32_t max_decap_records; uint32_t max_tx_em_flows; uint32_t max_tx_wm_flows; uint32_t max_rx_em_flows; uint32_t max_rx_wm_flows; unsigned long *vf_event_bmap; uint16_t hwrm_cmd_req_pages; void *hwrm_cmd_req_addr[4]; bus_addr_t hwrm_cmd_req_dma_addr[4]; }; struct bnxt_vf_info { uint16_t fw_fid; uint8_t mac_addr[ETHER_ADDR_LEN]; uint16_t max_rsscos_ctxs; uint16_t max_cp_rings; uint16_t max_tx_rings; uint16_t max_rx_rings; uint16_t max_hw_ring_grps; uint16_t max_l2_ctxs; uint16_t max_irqs; uint16_t max_vnics; uint16_t max_stat_ctxs; uint32_t vlan; #define BNXT_VF_QOS 0x1 #define BNXT_VF_SPOOFCHK 0x2 #define BNXT_VF_LINK_FORCED 0x4 #define BNXT_VF_LINK_UP 0x8 uint32_t flags; uint32_t func_flags; /* func cfg flags */ uint32_t min_tx_rate; uint32_t max_tx_rate; void *hwrm_cmd_req_addr; bus_addr_t hwrm_cmd_req_dma_addr; }; #define BNXT_PF(softc) (!((softc)->flags & BNXT_FLAG_VF)) #define BNXT_VF(softc) ((softc)->flags & BNXT_FLAG_VF) struct bnxt_vlan_tag { SLIST_ENTRY(bnxt_vlan_tag) next; uint64_t filter_id; uint16_t tag; }; struct bnxt_vnic_info { uint16_t id; uint16_t def_ring_grp; uint16_t cos_rule; uint16_t lb_rule; uint16_t mru; uint32_t rx_mask; struct iflib_dma_info mc_list; int mc_list_count; #define BNXT_MAX_MC_ADDRS 16 uint32_t flags; #define BNXT_VNIC_FLAG_DEFAULT 0x01 #define BNXT_VNIC_FLAG_BD_STALL 0x02 #define BNXT_VNIC_FLAG_VLAN_STRIP 0x04 uint64_t filter_id; uint16_t rss_id; uint32_t rss_hash_type; uint8_t rss_hash_key[HW_HASH_KEY_SIZE]; struct iflib_dma_info rss_hash_key_tbl; struct iflib_dma_info rss_grp_tbl; SLIST_HEAD(vlan_head, bnxt_vlan_tag) vlan_tags; struct iflib_dma_info vlan_tag_list; }; struct bnxt_grp_info { uint16_t stats_ctx; uint16_t grp_id; uint16_t rx_ring_id; uint16_t cp_ring_id; uint16_t ag_ring_id; }; struct bnxt_ring { uint64_t paddr; vm_offset_t doorbell; caddr_t vaddr; struct bnxt_softc *softc; uint32_t ring_size; /* Must be a power of two */ uint16_t id; /* Logical ID */ uint16_t phys_id; uint16_t idx; struct bnxt_full_tpa_start *tpa_start; }; struct bnxt_cp_ring { struct bnxt_ring ring; struct if_irq irq; uint32_t cons; bool v_bit; /* Value of valid bit */ struct ctx_hw_stats *stats; uint32_t stats_ctx_id; uint32_t last_idx; /* Used by RX rings only * set to the last read pidx */ uint64_t int_count; }; struct bnxt_full_tpa_start { struct rx_tpa_start_cmpl low; struct rx_tpa_start_cmpl_hi high; }; /* All the version information for the part */ #define BNXT_VERSTR_SIZE (3*3+2+1) /* ie: "255.255.255\0" */ #define BNXT_NAME_SIZE 17 #define FW_VER_STR_LEN 32 #define BC_HWRM_STR_LEN 21 struct bnxt_ver_info { uint8_t hwrm_if_major; uint8_t hwrm_if_minor; uint8_t hwrm_if_update; char hwrm_if_ver[BNXT_VERSTR_SIZE]; char driver_hwrm_if_ver[BNXT_VERSTR_SIZE]; char mgmt_fw_ver[FW_VER_STR_LEN]; char netctrl_fw_ver[FW_VER_STR_LEN]; char roce_fw_ver[FW_VER_STR_LEN]; char fw_ver_str[FW_VER_STR_LEN]; char phy_ver[BNXT_VERSTR_SIZE]; char pkg_ver[64]; char hwrm_fw_name[BNXT_NAME_SIZE]; char mgmt_fw_name[BNXT_NAME_SIZE]; char netctrl_fw_name[BNXT_NAME_SIZE]; char roce_fw_name[BNXT_NAME_SIZE]; char phy_vendor[BNXT_NAME_SIZE]; char phy_partnumber[BNXT_NAME_SIZE]; uint16_t chip_num; uint8_t chip_rev; uint8_t chip_metal; uint8_t chip_bond_id; uint8_t chip_type; uint8_t hwrm_min_major; uint8_t hwrm_min_minor; uint8_t hwrm_min_update; uint64_t fw_ver_code; #define BNXT_FW_VER_CODE(maj, min, bld, rsv) \ ((uint64_t)(maj) << 48 | (uint64_t)(min) << 32 | (uint64_t)(bld) << 16 | (rsv)) #define BNXT_FW_MAJ(softc) ((softc)->ver_info->fw_ver_code >> 48) #define BNXT_FW_MIN(softc) (((softc)->ver_info->fw_ver_code >> 32) & 0xffff) #define BNXT_FW_BLD(softc) (((softc)->ver_info->fw_ver_code >> 16) & 0xffff) #define BNXT_FW_RSV(softc) (((softc)->ver_info->fw_ver_code) & 0xffff) struct sysctl_ctx_list ver_ctx; struct sysctl_oid *ver_oid; }; struct bnxt_nvram_info { uint16_t mfg_id; uint16_t device_id; uint32_t sector_size; uint32_t size; uint32_t reserved_size; uint32_t available_size; struct sysctl_ctx_list nvm_ctx; struct sysctl_oid *nvm_oid; }; struct bnxt_func_qcfg { uint16_t alloc_completion_rings; uint16_t alloc_tx_rings; uint16_t alloc_rx_rings; uint16_t alloc_vnics; }; struct bnxt_hw_lro { uint16_t enable; uint16_t is_mode_gro; uint16_t max_agg_segs; uint16_t max_aggs; uint32_t min_agg_len; }; /* The hardware supports certain page sizes. Use the supported page sizes * to allocate the rings. */ #if (PAGE_SHIFT < 12) #define BNXT_PAGE_SHIFT 12 #elif (PAGE_SHIFT <= 13) #define BNXT_PAGE_SHIFT PAGE_SHIFT #elif (PAGE_SHIFT < 16) #define BNXT_PAGE_SHIFT 13 #else #define BNXT_PAGE_SHIFT 16 #endif #define BNXT_PAGE_SIZE (1 << BNXT_PAGE_SHIFT) #define MAX_CTX_PAGES (BNXT_PAGE_SIZE / 8) #define MAX_CTX_TOTAL_PAGES (MAX_CTX_PAGES * MAX_CTX_PAGES) struct bnxt_ring_mem_info { int nr_pages; int page_size; uint16_t flags; #define BNXT_RMEM_VALID_PTE_FLAG 1 #define BNXT_RMEM_RING_PTE_FLAG 2 #define BNXT_RMEM_USE_FULL_PAGE_FLAG 4 uint16_t depth; struct bnxt_ctx_mem_type *ctx_mem; struct iflib_dma_info *pg_arr; struct iflib_dma_info pg_tbl; int vmem_size; void **vmem; }; struct bnxt_ctx_pg_info { uint32_t entries; uint32_t nr_pages; struct iflib_dma_info ctx_arr[MAX_CTX_PAGES]; struct bnxt_ring_mem_info ring_mem; struct bnxt_ctx_pg_info **ctx_pg_tbl; }; #define BNXT_MAX_TQM_SP_RINGS 1 #define BNXT_MAX_TQM_FP_LEGACY_RINGS 8 #define BNXT_MAX_TQM_FP_RINGS 9 #define BNXT_MAX_TQM_LEGACY_RINGS \ (BNXT_MAX_TQM_SP_RINGS + BNXT_MAX_TQM_FP_LEGACY_RINGS) #define BNXT_MAX_TQM_RINGS \ (BNXT_MAX_TQM_SP_RINGS + BNXT_MAX_TQM_FP_RINGS) #define BNXT_BACKING_STORE_CFG_LEGACY_LEN 256 #define BNXT_BACKING_STORE_CFG_LEN \ sizeof(struct hwrm_func_backing_store_cfg_input) #define BNXT_SET_CTX_PAGE_ATTR(attr) \ do { \ if (BNXT_PAGE_SIZE == 0x2000) \ attr = HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_SRQ_PG_SIZE_PG_8K; \ else if (BNXT_PAGE_SIZE == 0x10000) \ attr = HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_QPC_PG_SIZE_PG_64K; \ else \ attr = HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_QPC_PG_SIZE_PG_4K; \ } while (0) struct bnxt_ctx_mem_type { u16 type; u16 entry_size; u32 flags; #define BNXT_CTX_MEM_TYPE_VALID HWRM_FUNC_BACKING_STORE_QCAPS_V2_OUTPUT_FLAGS_TYPE_VALID u32 instance_bmap; u8 init_value; u8 entry_multiple; u16 init_offset; #define BNXT_CTX_INIT_INVALID_OFFSET 0xffff u32 max_entries; u32 min_entries; u8 split_entry_cnt; #define BNXT_MAX_SPLIT_ENTRY 4 union { struct { u32 qp_l2_entries; u32 qp_qp1_entries; }; u32 srq_l2_entries; u32 cq_l2_entries; u32 vnic_entries; struct { u32 mrav_av_entries; u32 mrav_num_entries_units; }; u32 split[BNXT_MAX_SPLIT_ENTRY]; }; struct bnxt_ctx_pg_info *pg_info; }; #define BNXT_CTX_QP HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_QP #define BNXT_CTX_SRQ HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_SRQ #define BNXT_CTX_CQ HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_CQ #define BNXT_CTX_VNIC HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_VNIC #define BNXT_CTX_STAT HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_STAT #define BNXT_CTX_STQM HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_SP_TQM_RING #define BNXT_CTX_FTQM HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_FP_TQM_RING #define BNXT_CTX_MRAV HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_MRAV #define BNXT_CTX_TIM HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_TIM #define BNXT_CTX_TKC HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_TKC #define BNXT_CTX_RKC HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_RKC #define BNXT_CTX_MTQM HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_MP_TQM_RING #define BNXT_CTX_SQDBS HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_SQ_DB_SHADOW #define BNXT_CTX_RQDBS HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_RQ_DB_SHADOW #define BNXT_CTX_SRQDBS HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_SRQ_DB_SHADOW #define BNXT_CTX_CQDBS HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_CQ_DB_SHADOW #define BNXT_CTX_QTKC HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_QUIC_TKC #define BNXT_CTX_QRKC HWRM_FUNC_BACKING_STORE_CFG_V2_INPUT_TYPE_QUIC_RKC #define BNXT_CTX_MAX (BNXT_CTX_TIM + 1) struct bnxt_ctx_mem_info { u8 tqm_fp_rings_count; u32 flags; #define BNXT_CTX_FLAG_INITED 0x01 struct bnxt_ctx_mem_type ctx_arr[BNXT_CTX_MAX]; }; struct bnxt_hw_resc { uint16_t min_rsscos_ctxs; uint16_t max_rsscos_ctxs; uint16_t min_cp_rings; uint16_t max_cp_rings; uint16_t resv_cp_rings; uint16_t min_tx_rings; uint16_t max_tx_rings; uint16_t resv_tx_rings; uint16_t max_tx_sch_inputs; uint16_t min_rx_rings; uint16_t max_rx_rings; uint16_t resv_rx_rings; uint16_t min_hw_ring_grps; uint16_t max_hw_ring_grps; uint16_t resv_hw_ring_grps; uint16_t min_l2_ctxs; uint16_t max_l2_ctxs; uint16_t min_vnics; uint16_t max_vnics; uint16_t resv_vnics; uint16_t min_stat_ctxs; uint16_t max_stat_ctxs; uint16_t resv_stat_ctxs; uint16_t max_nqs; uint16_t max_irqs; uint16_t resv_irqs; }; enum bnxt_type_ets { BNXT_TYPE_ETS_TSA = 0, BNXT_TYPE_ETS_PRI2TC, BNXT_TYPE_ETS_TCBW, BNXT_TYPE_ETS_MAX }; static const char *const BNXT_ETS_TYPE_STR[] = { "tsa", "pri2tc", "tcbw", }; static const char *const BNXT_ETS_HELP_STR[] = { "X is 1 (strict), 0 (ets)", "TC values for pri 0 to 7", "TC BW values for pri 0 to 7, Sum should be 100", }; #define BNXT_HWRM_MAX_REQ_LEN (softc->hwrm_max_req_len) struct bnxt_softc_list { SLIST_ENTRY(bnxt_softc_list) next; struct bnxt_softc *softc; }; #ifndef BIT_ULL #define BIT_ULL(nr) (1ULL << (nr)) #endif struct bnxt_aux_dev { struct auxiliary_device aux_dev; struct bnxt_en_dev *edev; int id; }; struct bnxt_msix_tbl { uint32_t entry; uint32_t vector; }; enum bnxt_health_severity { SEVERITY_NORMAL = 0, SEVERITY_WARNING, SEVERITY_RECOVERABLE, SEVERITY_FATAL, }; enum bnxt_health_remedy { REMEDY_DEVLINK_RECOVER, REMEDY_POWER_CYCLE_DEVICE, REMEDY_POWER_CYCLE_HOST, REMEDY_FW_UPDATE, REMEDY_HW_REPLACE, }; struct bnxt_fw_health { u32 flags; u32 polling_dsecs; u32 master_func_wait_dsecs; u32 normal_func_wait_dsecs; u32 post_reset_wait_dsecs; u32 post_reset_max_wait_dsecs; u32 regs[4]; u32 mapped_regs[4]; #define BNXT_FW_HEALTH_REG 0 #define BNXT_FW_HEARTBEAT_REG 1 #define BNXT_FW_RESET_CNT_REG 2 #define BNXT_FW_RESET_INPROG_REG 3 u32 fw_reset_inprog_reg_mask; u32 last_fw_heartbeat; u32 last_fw_reset_cnt; u8 enabled:1; u8 primary:1; u8 status_reliable:1; u8 resets_reliable:1; u8 tmr_multiplier; u8 tmr_counter; u8 fw_reset_seq_cnt; u32 fw_reset_seq_regs[16]; u32 fw_reset_seq_vals[16]; u32 fw_reset_seq_delay_msec[16]; u32 echo_req_data1; u32 echo_req_data2; struct devlink_health_reporter *fw_reporter; struct mutex lock; enum bnxt_health_severity severity; enum bnxt_health_remedy remedy; u32 arrests; u32 discoveries; u32 survivals; u32 fatalities; u32 diagnoses; }; #define BNXT_FW_HEALTH_REG_TYPE_MASK 3 #define BNXT_FW_HEALTH_REG_TYPE_CFG 0 #define BNXT_FW_HEALTH_REG_TYPE_GRC 1 #define BNXT_FW_HEALTH_REG_TYPE_BAR0 2 #define BNXT_FW_HEALTH_REG_TYPE_BAR1 3 #define BNXT_FW_HEALTH_REG_TYPE(reg) ((reg) & BNXT_FW_HEALTH_REG_TYPE_MASK) #define BNXT_FW_HEALTH_REG_OFF(reg) ((reg) & ~BNXT_FW_HEALTH_REG_TYPE_MASK) #define BNXT_FW_HEALTH_WIN_BASE 0x3000 #define BNXT_FW_HEALTH_WIN_MAP_OFF 8 #define BNXT_FW_HEALTH_WIN_OFF(reg) (BNXT_FW_HEALTH_WIN_BASE + \ ((reg) & BNXT_GRC_OFFSET_MASK)) #define BNXT_FW_STATUS_HEALTH_MSK 0xffff #define BNXT_FW_STATUS_HEALTHY 0x8000 #define BNXT_FW_STATUS_SHUTDOWN 0x100000 #define BNXT_FW_STATUS_RECOVERING 0x400000 #define BNXT_FW_IS_HEALTHY(sts) (((sts) & BNXT_FW_STATUS_HEALTH_MSK) ==\ BNXT_FW_STATUS_HEALTHY) #define BNXT_FW_IS_BOOTING(sts) (((sts) & BNXT_FW_STATUS_HEALTH_MSK) < \ BNXT_FW_STATUS_HEALTHY) #define BNXT_FW_IS_ERR(sts) (((sts) & BNXT_FW_STATUS_HEALTH_MSK) > \ BNXT_FW_STATUS_HEALTHY) #define BNXT_FW_IS_RECOVERING(sts) (BNXT_FW_IS_ERR(sts) && \ ((sts) & BNXT_FW_STATUS_RECOVERING)) #define BNXT_FW_RETRY 5 #define BNXT_FW_IF_RETRY 10 #define BNXT_FW_SLOT_RESET_RETRY 4 #define BNXT_GRCPF_REG_CHIMP_COMM 0x0 #define BNXT_GRCPF_REG_CHIMP_COMM_TRIGGER 0x100 #define BNXT_GRCPF_REG_WINDOW_BASE_OUT 0x400 #define BNXT_GRCPF_REG_SYNC_TIME 0x480 #define BNXT_GRCPF_REG_SYNC_TIME_ADJ 0x488 #define BNXT_GRCPF_REG_SYNC_TIME_ADJ_PER_MSK 0xffffffUL #define BNXT_GRCPF_REG_SYNC_TIME_ADJ_PER_SFT 0 #define BNXT_GRCPF_REG_SYNC_TIME_ADJ_VAL_MSK 0x1f000000UL #define BNXT_GRCPF_REG_SYNC_TIME_ADJ_VAL_SFT 24 #define BNXT_GRCPF_REG_SYNC_TIME_ADJ_SIGN_MSK 0x20000000UL #define BNXT_GRCPF_REG_SYNC_TIME_ADJ_SIGN_SFT 29 #define BNXT_GRC_REG_STATUS_P5 0x520 #define BNXT_GRCPF_REG_KONG_COMM 0xA00 #define BNXT_GRCPF_REG_KONG_COMM_TRIGGER 0xB00 #define BNXT_CAG_REG_LEGACY_INT_STATUS 0x4014 #define BNXT_CAG_REG_BASE 0x300000 #define BNXT_GRC_REG_CHIP_NUM 0x48 #define BNXT_GRC_REG_BASE 0x260000 #define BNXT_TS_REG_TIMESYNC_TS0_LOWER 0x640180c #define BNXT_TS_REG_TIMESYNC_TS0_UPPER 0x6401810 #define BNXT_GRC_BASE_MASK 0xfffff000 #define BNXT_GRC_OFFSET_MASK 0x00000ffc struct bnxt_softc { device_t dev; if_ctx_t ctx; if_softc_ctx_t scctx; if_shared_ctx_t sctx; if_t ifp; uint32_t domain; uint32_t bus; uint32_t slot; uint32_t function; uint32_t dev_fn; struct ifmedia *media; struct bnxt_ctx_mem_info *ctx_mem; struct bnxt_hw_resc hw_resc; struct bnxt_softc_list list; struct bnxt_bar_info hwrm_bar; struct bnxt_bar_info doorbell_bar; struct bnxt_link_info link_info; #define BNXT_FLAG_VF 0x0001 #define BNXT_FLAG_NPAR 0x0002 #define BNXT_FLAG_WOL_CAP 0x0004 #define BNXT_FLAG_SHORT_CMD 0x0008 #define BNXT_FLAG_FW_CAP_NEW_RM 0x0010 #define BNXT_FLAG_CHIP_P5 0x0020 #define BNXT_FLAG_TPA 0x0040 #define BNXT_FLAG_FW_CAP_EXT_STATS 0x0080 #define BNXT_FLAG_MULTI_HOST 0x0100 #define BNXT_FLAG_MULTI_ROOT 0x0200 #define BNXT_FLAG_ROCEV1_CAP 0x0400 #define BNXT_FLAG_ROCEV2_CAP 0x0800 #define BNXT_FLAG_ROCE_CAP (BNXT_FLAG_ROCEV1_CAP | BNXT_FLAG_ROCEV2_CAP) uint32_t flags; #define BNXT_STATE_LINK_CHANGE (0) #define BNXT_STATE_MAX (BNXT_STATE_LINK_CHANGE + 1) bitstr_t *state_bv; uint32_t total_irqs; struct bnxt_msix_tbl *irq_tbl; struct bnxt_func_info func; struct bnxt_func_qcfg fn_qcfg; struct bnxt_pf_info pf; struct bnxt_vf_info vf; uint16_t hwrm_cmd_seq; uint32_t hwrm_cmd_timeo; /* milliseconds */ struct iflib_dma_info hwrm_cmd_resp; struct iflib_dma_info hwrm_short_cmd_req_addr; /* Interrupt info for HWRM */ struct if_irq irq; struct mtx hwrm_lock; uint16_t hwrm_max_req_len; uint16_t hwrm_max_ext_req_len; uint32_t hwrm_spec_code; #define BNXT_MAX_QUEUE 8 uint8_t max_tc; uint8_t max_lltc; struct bnxt_queue_info tx_q_info[BNXT_MAX_QUEUE]; struct bnxt_queue_info rx_q_info[BNXT_MAX_QUEUE]; uint8_t tc_to_qidx[BNXT_MAX_QUEUE]; uint8_t tx_q_ids[BNXT_MAX_QUEUE]; uint8_t rx_q_ids[BNXT_MAX_QUEUE]; uint8_t tx_max_q; uint8_t rx_max_q; uint8_t is_asym_q; struct bnxt_ieee_ets *ieee_ets; struct bnxt_ieee_pfc *ieee_pfc; uint8_t dcbx_cap; uint8_t default_pri; uint8_t max_dscp_value; uint64_t admin_ticks; struct iflib_dma_info hw_rx_port_stats; struct iflib_dma_info hw_tx_port_stats; struct rx_port_stats *rx_port_stats; struct tx_port_stats *tx_port_stats; struct iflib_dma_info hw_tx_port_stats_ext; struct iflib_dma_info hw_rx_port_stats_ext; struct tx_port_stats_ext *tx_port_stats_ext; struct rx_port_stats_ext *rx_port_stats_ext; uint16_t fw_rx_stats_ext_size; uint16_t fw_tx_stats_ext_size; uint16_t hw_ring_stats_size; uint8_t tx_pri2cos_idx[8]; uint8_t rx_pri2cos_idx[8]; bool pri2cos_valid; uint64_t tx_bytes_pri[8]; uint64_t tx_packets_pri[8]; uint64_t rx_bytes_pri[8]; uint64_t rx_packets_pri[8]; uint8_t port_count; int num_cp_rings; struct bnxt_cp_ring *nq_rings; struct bnxt_ring *tx_rings; struct bnxt_cp_ring *tx_cp_rings; struct iflib_dma_info tx_stats[BNXT_MAX_NUM_QUEUES]; int ntxqsets; struct bnxt_vnic_info vnic_info; struct bnxt_ring *ag_rings; struct bnxt_ring *rx_rings; struct bnxt_cp_ring *rx_cp_rings; struct bnxt_grp_info *grp_info; struct iflib_dma_info rx_stats[BNXT_MAX_NUM_QUEUES]; int nrxqsets; uint16_t rx_buf_size; struct bnxt_cp_ring def_cp_ring; struct bnxt_cp_ring def_nq_ring; struct iflib_dma_info def_cp_ring_mem; struct iflib_dma_info def_nq_ring_mem; - struct grouptask def_cp_task; + struct task def_cp_task; int db_size; int legacy_db_size; struct bnxt_doorbell_ops db_ops; struct sysctl_ctx_list hw_stats; struct sysctl_oid *hw_stats_oid; struct sysctl_ctx_list hw_lro_ctx; struct sysctl_oid *hw_lro_oid; struct sysctl_ctx_list flow_ctrl_ctx; struct sysctl_oid *flow_ctrl_oid; struct sysctl_ctx_list dcb_ctx; struct sysctl_oid *dcb_oid; struct bnxt_ver_info *ver_info; struct bnxt_nvram_info *nvm_info; bool wol; bool is_dev_init; struct bnxt_hw_lro hw_lro; uint8_t wol_filter_id; uint16_t rx_coal_usecs; uint16_t rx_coal_usecs_irq; uint16_t rx_coal_frames; uint16_t rx_coal_frames_irq; uint16_t tx_coal_usecs; uint16_t tx_coal_usecs_irq; uint16_t tx_coal_frames; uint16_t tx_coal_frames_irq; #define BNXT_USEC_TO_COAL_TIMER(x) ((x) * 25 / 2) #define BNXT_DEF_STATS_COAL_TICKS 1000000 #define BNXT_MIN_STATS_COAL_TICKS 250000 #define BNXT_MAX_STATS_COAL_TICKS 1000000 uint64_t fw_cap; #define BNXT_FW_CAP_SHORT_CMD BIT_ULL(0) #define BNXT_FW_CAP_LLDP_AGENT BIT_ULL(1) #define BNXT_FW_CAP_DCBX_AGENT BIT_ULL(2) #define BNXT_FW_CAP_NEW_RM BIT_ULL(3) #define BNXT_FW_CAP_IF_CHANGE BIT_ULL(4) #define BNXT_FW_CAP_LINK_ADMIN BIT_ULL(5) #define BNXT_FW_CAP_VF_RES_MIN_GUARANTEED BIT_ULL(6) #define BNXT_FW_CAP_KONG_MB_CHNL BIT_ULL(7) #define BNXT_FW_CAP_ADMIN_MTU BIT_ULL(8) #define BNXT_FW_CAP_ADMIN_PF BIT_ULL(9) #define BNXT_FW_CAP_OVS_64BIT_HANDLE BIT_ULL(10) #define BNXT_FW_CAP_TRUSTED_VF BIT_ULL(11) #define BNXT_FW_CAP_VF_VNIC_NOTIFY BIT_ULL(12) #define BNXT_FW_CAP_ERROR_RECOVERY BIT_ULL(13) #define BNXT_FW_CAP_PKG_VER BIT_ULL(14) #define BNXT_FW_CAP_CFA_ADV_FLOW BIT_ULL(15) #define BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX_V2 BIT_ULL(16) #define BNXT_FW_CAP_PCIE_STATS_SUPPORTED BIT_ULL(17) #define BNXT_FW_CAP_EXT_STATS_SUPPORTED BIT_ULL(18) #define BNXT_FW_CAP_SECURE_MODE BIT_ULL(19) #define BNXT_FW_CAP_ERR_RECOVER_RELOAD BIT_ULL(20) #define BNXT_FW_CAP_HOT_RESET BIT_ULL(21) #define BNXT_FW_CAP_CRASHDUMP BIT_ULL(23) #define BNXT_FW_CAP_VLAN_RX_STRIP BIT_ULL(24) #define BNXT_FW_CAP_VLAN_TX_INSERT BIT_ULL(25) #define BNXT_FW_CAP_EXT_HW_STATS_SUPPORTED BIT_ULL(26) #define BNXT_FW_CAP_CFA_EEM BIT_ULL(27) #define BNXT_FW_CAP_DBG_QCAPS BIT_ULL(29) #define BNXT_FW_CAP_RING_MONITOR BIT_ULL(30) #define BNXT_FW_CAP_ECN_STATS BIT_ULL(31) #define BNXT_FW_CAP_TRUFLOW BIT_ULL(32) #define BNXT_FW_CAP_VF_CFG_FOR_PF BIT_ULL(33) #define BNXT_FW_CAP_PTP_PPS BIT_ULL(34) #define BNXT_FW_CAP_HOT_RESET_IF BIT_ULL(35) #define BNXT_FW_CAP_LIVEPATCH BIT_ULL(36) #define BNXT_FW_CAP_NPAR_1_2 BIT_ULL(37) #define BNXT_FW_CAP_RSS_HASH_TYPE_DELTA BIT_ULL(38) #define BNXT_FW_CAP_PTP_RTC BIT_ULL(39) #define BNXT_FW_CAP_TRUFLOW_EN BIT_ULL(40) #define BNXT_TRUFLOW_EN(bp) ((bp)->fw_cap & BNXT_FW_CAP_TRUFLOW_EN) #define BNXT_FW_CAP_RX_ALL_PKT_TS BIT_ULL(41) #define BNXT_FW_CAP_BACKING_STORE_V2 BIT_ULL(42) #define BNXT_FW_CAP_DBR_SUPPORTED BIT_ULL(43) #define BNXT_FW_CAP_GENERIC_STATS BIT_ULL(44) #define BNXT_FW_CAP_DBR_PACING_SUPPORTED BIT_ULL(45) #define BNXT_FW_CAP_PTP_PTM BIT_ULL(46) #define BNXT_FW_CAP_CFA_NTUPLE_RX_EXT_IP_PROTO BIT_ULL(47) #define BNXT_FW_CAP_ENABLE_RDMA_SRIOV BIT_ULL(48) #define BNXT_FW_CAP_RSS_TCAM BIT_ULL(49) uint32_t lpi_tmr_lo; uint32_t lpi_tmr_hi; /* copied from flags and flags2 in hwrm_port_phy_qcaps_output */ uint16_t phy_flags; #define BNXT_PHY_FL_EEE_CAP HWRM_PORT_PHY_QCAPS_OUTPUT_FLAGS_EEE_SUPPORTED #define BNXT_PHY_FL_EXT_LPBK HWRM_PORT_PHY_QCAPS_OUTPUT_FLAGS_EXTERNAL_LPBK_SUPPORTED #define BNXT_PHY_FL_AN_PHY_LPBK HWRM_PORT_PHY_QCAPS_OUTPUT_FLAGS_AUTONEG_LPBK_SUPPORTED #define BNXT_PHY_FL_SHARED_PORT_CFG HWRM_PORT_PHY_QCAPS_OUTPUT_FLAGS_SHARED_PHY_CFG_SUPPORTED #define BNXT_PHY_FL_PORT_STATS_NO_RESET HWRM_PORT_PHY_QCAPS_OUTPUT_FLAGS_CUMULATIVE_COUNTERS_ON_RESET #define BNXT_PHY_FL_NO_PHY_LPBK HWRM_PORT_PHY_QCAPS_OUTPUT_FLAGS_LOCAL_LPBK_NOT_SUPPORTED #define BNXT_PHY_FL_FW_MANAGED_LKDN HWRM_PORT_PHY_QCAPS_OUTPUT_FLAGS_FW_MANAGED_LINK_DOWN #define BNXT_PHY_FL_NO_FCS HWRM_PORT_PHY_QCAPS_OUTPUT_FLAGS_NO_FCS #define BNXT_PHY_FL_NO_PAUSE (HWRM_PORT_PHY_QCAPS_OUTPUT_FLAGS2_PAUSE_UNSUPPORTED << 8) #define BNXT_PHY_FL_NO_PFC (HWRM_PORT_PHY_QCAPS_OUTPUT_FLAGS2_PFC_UNSUPPORTED << 8) #define BNXT_PHY_FL_BANK_SEL (HWRM_PORT_PHY_QCAPS_OUTPUT_FLAGS2_BANK_ADDR_SUPPORTED << 8) struct bnxt_aux_dev *aux_dev; struct net_device *net_dev; struct mtx en_ops_lock; uint8_t port_partition_type; struct bnxt_en_dev *edev; unsigned long state; #define BNXT_STATE_OPEN 0 #define BNXT_STATE_IN_SP_TASK 1 #define BNXT_STATE_READ_STATS 2 #define BNXT_STATE_FW_RESET_DET 3 #define BNXT_STATE_IN_FW_RESET 4 #define BNXT_STATE_ABORT_ERR 5 #define BNXT_STATE_FW_FATAL_COND 6 #define BNXT_STATE_DRV_REGISTERED 7 #define BNXT_STATE_PCI_CHANNEL_IO_FROZEN 8 #define BNXT_STATE_NAPI_DISABLED 9 #define BNXT_STATE_L2_FILTER_RETRY 10 #define BNXT_STATE_FW_ACTIVATE 11 #define BNXT_STATE_RECOVER 12 #define BNXT_STATE_FW_NON_FATAL_COND 13 #define BNXT_STATE_FW_ACTIVATE_RESET 14 #define BNXT_STATE_HALF_OPEN 15 #define BNXT_NO_FW_ACCESS(bp) \ test_bit(BNXT_STATE_FW_FATAL_COND, &(bp)->state) struct pci_dev *pdev; struct work_struct sp_task; unsigned long sp_event; #define BNXT_RX_MASK_SP_EVENT 0 #define BNXT_RX_NTP_FLTR_SP_EVENT 1 #define BNXT_LINK_CHNG_SP_EVENT 2 #define BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT 3 #define BNXT_VXLAN_ADD_PORT_SP_EVENT 4 #define BNXT_VXLAN_DEL_PORT_SP_EVENT 5 #define BNXT_RESET_TASK_SP_EVENT 6 #define BNXT_RST_RING_SP_EVENT 7 #define BNXT_HWRM_PF_UNLOAD_SP_EVENT 8 #define BNXT_PERIODIC_STATS_SP_EVENT 9 #define BNXT_HWRM_PORT_MODULE_SP_EVENT 10 #define BNXT_RESET_TASK_SILENT_SP_EVENT 11 #define BNXT_GENEVE_ADD_PORT_SP_EVENT 12 #define BNXT_GENEVE_DEL_PORT_SP_EVENT 13 #define BNXT_LINK_SPEED_CHNG_SP_EVENT 14 #define BNXT_FLOW_STATS_SP_EVENT 15 #define BNXT_UPDATE_PHY_SP_EVENT 16 #define BNXT_RING_COAL_NOW_SP_EVENT 17 #define BNXT_FW_RESET_NOTIFY_SP_EVENT 18 #define BNXT_FW_EXCEPTION_SP_EVENT 19 #define BNXT_VF_VNIC_CHANGE_SP_EVENT 20 #define BNXT_LINK_CFG_CHANGE_SP_EVENT 21 #define BNXT_PTP_CURRENT_TIME_EVENT 22 #define BNXT_FW_ECHO_REQUEST_SP_EVENT 23 #define BNXT_VF_CFG_CHNG_SP_EVENT 24 struct delayed_work fw_reset_task; int fw_reset_state; #define BNXT_FW_RESET_STATE_POLL_VF 1 #define BNXT_FW_RESET_STATE_RESET_FW 2 #define BNXT_FW_RESET_STATE_ENABLE_DEV 3 #define BNXT_FW_RESET_STATE_POLL_FW 4 #define BNXT_FW_RESET_STATE_OPENING 5 #define BNXT_FW_RESET_STATE_POLL_FW_DOWN 6 u16 fw_reset_min_dsecs; #define BNXT_DFLT_FW_RST_MIN_DSECS 20 u16 fw_reset_max_dsecs; #define BNXT_DFLT_FW_RST_MAX_DSECS 60 unsigned long fw_reset_timestamp; struct bnxt_fw_health *fw_health; }; struct bnxt_filter_info { STAILQ_ENTRY(bnxt_filter_info) next; uint64_t fw_l2_filter_id; #define INVALID_MAC_INDEX ((uint16_t)-1) uint16_t mac_index; /* Filter Characteristics */ uint32_t flags; uint32_t enables; uint8_t l2_addr[ETHER_ADDR_LEN]; uint8_t l2_addr_mask[ETHER_ADDR_LEN]; uint16_t l2_ovlan; uint16_t l2_ovlan_mask; uint16_t l2_ivlan; uint16_t l2_ivlan_mask; uint8_t t_l2_addr[ETHER_ADDR_LEN]; uint8_t t_l2_addr_mask[ETHER_ADDR_LEN]; uint16_t t_l2_ovlan; uint16_t t_l2_ovlan_mask; uint16_t t_l2_ivlan; uint16_t t_l2_ivlan_mask; uint8_t tunnel_type; uint16_t mirror_vnic_id; uint32_t vni; uint8_t pri_hint; uint64_t l2_filter_id_hint; }; #define I2C_DEV_ADDR_A0 0xa0 #define BNXT_MAX_PHY_I2C_RESP_SIZE 64 /* Function declarations */ void bnxt_report_link(struct bnxt_softc *softc); bool bnxt_check_hwrm_version(struct bnxt_softc *softc); struct bnxt_softc *bnxt_find_dev(uint32_t domain, uint32_t bus, uint32_t dev_fn, char *name); int bnxt_read_sfp_module_eeprom_info(struct bnxt_softc *bp, uint16_t i2c_addr, uint16_t page_number, uint8_t bank, bool bank_sel_en, uint16_t start_addr, uint16_t data_length, uint8_t *buf); void bnxt_dcb_init(struct bnxt_softc *softc); void bnxt_dcb_free(struct bnxt_softc *softc); uint8_t bnxt_dcb_setdcbx(struct bnxt_softc *softc, uint8_t mode); uint8_t bnxt_dcb_getdcbx(struct bnxt_softc *softc); int bnxt_dcb_ieee_getets(struct bnxt_softc *softc, struct bnxt_ieee_ets *ets); int bnxt_dcb_ieee_setets(struct bnxt_softc *softc, struct bnxt_ieee_ets *ets); uint8_t get_phy_type(struct bnxt_softc *softc); int bnxt_dcb_ieee_getpfc(struct bnxt_softc *softc, struct bnxt_ieee_pfc *pfc); int bnxt_dcb_ieee_setpfc(struct bnxt_softc *softc, struct bnxt_ieee_pfc *pfc); int bnxt_dcb_ieee_setapp(struct bnxt_softc *softc, struct bnxt_dcb_app *app); int bnxt_dcb_ieee_delapp(struct bnxt_softc *softc, struct bnxt_dcb_app *app); int bnxt_dcb_ieee_listapp(struct bnxt_softc *softc, struct bnxt_dcb_app *app, size_t nitems, int *num_inputs); #endif /* _BNXT_H */ diff --git a/sys/dev/bnxt/bnxt_en/if_bnxt.c b/sys/dev/bnxt/bnxt_en/if_bnxt.c index 29870a7360ca..3a2c18b32e10 100644 --- a/sys/dev/bnxt/bnxt_en/if_bnxt.c +++ b/sys/dev/bnxt/bnxt_en/if_bnxt.c @@ -1,4779 +1,4777 @@ /*- * Broadcom NetXtreme-C/E network driver. * * Copyright (c) 2016 Broadcom, All Rights Reserved. * The term Broadcom refers to Broadcom Limited and/or its subsidiaries * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "opt_inet.h" #include "opt_inet6.h" #include "opt_rss.h" #include "ifdi_if.h" #include "bnxt.h" #include "bnxt_hwrm.h" #include "bnxt_ioctl.h" #include "bnxt_sysctl.h" #include "hsi_struct_def.h" #include "bnxt_mgmt.h" #include "bnxt_ulp.h" #include "bnxt_auxbus_compat.h" /* * PCI Device ID Table */ static const pci_vendor_info_t bnxt_vendor_info_array[] = { PVID(BROADCOM_VENDOR_ID, BCM57301, "Broadcom BCM57301 NetXtreme-C 10Gb Ethernet Controller"), PVID(BROADCOM_VENDOR_ID, BCM57302, "Broadcom BCM57302 NetXtreme-C 10Gb/25Gb Ethernet Controller"), PVID(BROADCOM_VENDOR_ID, BCM57304, "Broadcom BCM57304 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet Controller"), PVID(BROADCOM_VENDOR_ID, BCM57311, "Broadcom BCM57311 NetXtreme-C 10Gb Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM57312, "Broadcom BCM57312 NetXtreme-C 10Gb/25Gb Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM57314, "Broadcom BCM57314 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM57402, "Broadcom BCM57402 NetXtreme-E 10Gb Ethernet Controller"), PVID(BROADCOM_VENDOR_ID, BCM57402_NPAR, "Broadcom BCM57402 NetXtreme-E Partition"), PVID(BROADCOM_VENDOR_ID, BCM57404, "Broadcom BCM57404 NetXtreme-E 10Gb/25Gb Ethernet Controller"), PVID(BROADCOM_VENDOR_ID, BCM57404_NPAR, "Broadcom BCM57404 NetXtreme-E Partition"), PVID(BROADCOM_VENDOR_ID, BCM57406, "Broadcom BCM57406 NetXtreme-E 10GBase-T Ethernet Controller"), PVID(BROADCOM_VENDOR_ID, BCM57406_NPAR, "Broadcom BCM57406 NetXtreme-E Partition"), PVID(BROADCOM_VENDOR_ID, BCM57407, "Broadcom BCM57407 NetXtreme-E 10GBase-T Ethernet Controller"), PVID(BROADCOM_VENDOR_ID, BCM57407_NPAR, "Broadcom BCM57407 NetXtreme-E Ethernet Partition"), PVID(BROADCOM_VENDOR_ID, BCM57407_SFP, "Broadcom BCM57407 NetXtreme-E 25Gb Ethernet Controller"), PVID(BROADCOM_VENDOR_ID, BCM57412, "Broadcom BCM57412 NetXtreme-E 10Gb Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM57412_NPAR1, "Broadcom BCM57412 NetXtreme-E Ethernet Partition"), PVID(BROADCOM_VENDOR_ID, BCM57412_NPAR2, "Broadcom BCM57412 NetXtreme-E Ethernet Partition"), PVID(BROADCOM_VENDOR_ID, BCM57414, "Broadcom BCM57414 NetXtreme-E 10Gb/25Gb Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM57414_NPAR1, "Broadcom BCM57414 NetXtreme-E Ethernet Partition"), PVID(BROADCOM_VENDOR_ID, BCM57414_NPAR2, "Broadcom BCM57414 NetXtreme-E Ethernet Partition"), PVID(BROADCOM_VENDOR_ID, BCM57416, "Broadcom BCM57416 NetXtreme-E 10GBase-T Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM57416_NPAR1, "Broadcom BCM57416 NetXtreme-E Ethernet Partition"), PVID(BROADCOM_VENDOR_ID, BCM57416_NPAR2, "Broadcom BCM57416 NetXtreme-E Ethernet Partition"), PVID(BROADCOM_VENDOR_ID, BCM57416_SFP, "Broadcom BCM57416 NetXtreme-E 10Gb Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM57417, "Broadcom BCM57417 NetXtreme-E 10GBase-T Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM57417_NPAR1, "Broadcom BCM57417 NetXtreme-E Ethernet Partition"), PVID(BROADCOM_VENDOR_ID, BCM57417_NPAR2, "Broadcom BCM57417 NetXtreme-E Ethernet Partition"), PVID(BROADCOM_VENDOR_ID, BCM57417_SFP, "Broadcom BCM57417 NetXtreme-E 10Gb/25Gb Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM57454, "Broadcom BCM57454 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM58700, "Broadcom BCM58700 Nitro 1Gb/2.5Gb/10Gb Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM57508, "Broadcom BCM57508 NetXtreme-E 10Gb/25Gb/50Gb/100Gb/200Gb Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM57504, "Broadcom BCM57504 NetXtreme-E 10Gb/25Gb/50Gb/100Gb/200Gb Ethernet"), PVID(BROADCOM_VENDOR_ID, BCM57504_NPAR, "Broadcom BCM57504 NetXtreme-E Ethernet Partition"), PVID(BROADCOM_VENDOR_ID, BCM57502, "Broadcom BCM57502 NetXtreme-E 10Gb/25Gb/50Gb/100Gb/200Gb Ethernet"), PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF1, "Broadcom NetXtreme-C Ethernet Virtual Function"), PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF2, "Broadcom NetXtreme-C Ethernet Virtual Function"), PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF3, "Broadcom NetXtreme-C Ethernet Virtual Function"), PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF1, "Broadcom NetXtreme-E Ethernet Virtual Function"), PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF2, "Broadcom NetXtreme-E Ethernet Virtual Function"), PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF3, "Broadcom NetXtreme-E Ethernet Virtual Function"), /* required last entry */ PVID_END }; /* * Function prototypes */ SLIST_HEAD(softc_list, bnxt_softc_list) pf_list; int bnxt_num_pfs = 0; void process_nq(struct bnxt_softc *softc, uint16_t nqid); static void *bnxt_register(device_t dev); /* Soft queue setup and teardown */ static int bnxt_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int ntxqs, int ntxqsets); static int bnxt_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nrxqs, int nrxqsets); static void bnxt_queues_free(if_ctx_t ctx); /* Device setup and teardown */ static int bnxt_attach_pre(if_ctx_t ctx); static int bnxt_attach_post(if_ctx_t ctx); static int bnxt_detach(if_ctx_t ctx); /* Device configuration */ static void bnxt_init(if_ctx_t ctx); static void bnxt_stop(if_ctx_t ctx); static void bnxt_multi_set(if_ctx_t ctx); static int bnxt_mtu_set(if_ctx_t ctx, uint32_t mtu); static void bnxt_media_status(if_ctx_t ctx, struct ifmediareq * ifmr); static int bnxt_media_change(if_ctx_t ctx); static int bnxt_promisc_set(if_ctx_t ctx, int flags); static uint64_t bnxt_get_counter(if_ctx_t, ift_counter); static void bnxt_update_admin_status(if_ctx_t ctx); static void bnxt_if_timer(if_ctx_t ctx, uint16_t qid); /* Interrupt enable / disable */ static void bnxt_intr_enable(if_ctx_t ctx); static int bnxt_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid); static int bnxt_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid); static void bnxt_disable_intr(if_ctx_t ctx); static int bnxt_msix_intr_assign(if_ctx_t ctx, int msix); /* vlan support */ static void bnxt_vlan_register(if_ctx_t ctx, uint16_t vtag); static void bnxt_vlan_unregister(if_ctx_t ctx, uint16_t vtag); /* ioctl */ static int bnxt_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data); static int bnxt_shutdown(if_ctx_t ctx); static int bnxt_suspend(if_ctx_t ctx); static int bnxt_resume(if_ctx_t ctx); /* Internal support functions */ static int bnxt_probe_phy(struct bnxt_softc *softc); static void bnxt_add_media_types(struct bnxt_softc *softc); static int bnxt_pci_mapping(struct bnxt_softc *softc); static void bnxt_pci_mapping_free(struct bnxt_softc *softc); static int bnxt_update_link(struct bnxt_softc *softc, bool chng_link_state); static int bnxt_handle_def_cp(void *arg); static int bnxt_handle_isr(void *arg); static void bnxt_clear_ids(struct bnxt_softc *softc); static void inline bnxt_do_enable_intr(struct bnxt_cp_ring *cpr); static void inline bnxt_do_disable_intr(struct bnxt_cp_ring *cpr); static void bnxt_mark_cpr_invalid(struct bnxt_cp_ring *cpr); -static void bnxt_def_cp_task(void *context); +static void bnxt_def_cp_task(void *context, int pending); static void bnxt_handle_async_event(struct bnxt_softc *softc, struct cmpl_base *cmpl); static uint64_t bnxt_get_baudrate(struct bnxt_link_info *link); static void bnxt_get_wol_settings(struct bnxt_softc *softc); static int bnxt_wol_config(if_ctx_t ctx); static bool bnxt_if_needs_restart(if_ctx_t, enum iflib_restart_event); static int bnxt_i2c_req(if_ctx_t ctx, struct ifi2creq *i2c); static void bnxt_get_port_module_status(struct bnxt_softc *softc); static void bnxt_rdma_aux_device_init(struct bnxt_softc *softc); static void bnxt_rdma_aux_device_uninit(struct bnxt_softc *softc); static void bnxt_queue_fw_reset_work(struct bnxt_softc *bp, unsigned long delay); void bnxt_queue_sp_work(struct bnxt_softc *bp); void bnxt_fw_reset(struct bnxt_softc *bp); /* * Device Interface Declaration */ static device_method_t bnxt_methods[] = { /* Device interface */ DEVMETHOD(device_register, bnxt_register), DEVMETHOD(device_probe, iflib_device_probe), DEVMETHOD(device_attach, iflib_device_attach), DEVMETHOD(device_detach, iflib_device_detach), DEVMETHOD(device_shutdown, iflib_device_shutdown), DEVMETHOD(device_suspend, iflib_device_suspend), DEVMETHOD(device_resume, iflib_device_resume), DEVMETHOD_END }; static driver_t bnxt_driver = { "bnxt", bnxt_methods, sizeof(struct bnxt_softc), }; DRIVER_MODULE(bnxt, pci, bnxt_driver, 0, 0); MODULE_LICENSE("Dual BSD/GPL"); MODULE_DEPEND(if_bnxt, pci, 1, 1, 1); MODULE_DEPEND(if_bnxt, ether, 1, 1, 1); MODULE_DEPEND(if_bnxt, iflib, 1, 1, 1); MODULE_DEPEND(if_bnxt, linuxkpi, 1, 1, 1); MODULE_VERSION(if_bnxt, 1); IFLIB_PNP_INFO(pci, bnxt, bnxt_vendor_info_array); void writel_fbsd(struct bnxt_softc *bp, u32, u8, u32); u32 readl_fbsd(struct bnxt_softc *bp, u32, u8); u32 readl_fbsd(struct bnxt_softc *bp, u32 reg_off, u8 bar_idx) { if (!bar_idx) return bus_space_read_4(bp->doorbell_bar.tag, bp->doorbell_bar.handle, reg_off); else return bus_space_read_4(bp->hwrm_bar.tag, bp->hwrm_bar.handle, reg_off); } void writel_fbsd(struct bnxt_softc *bp, u32 reg_off, u8 bar_idx, u32 val) { if (!bar_idx) bus_space_write_4(bp->doorbell_bar.tag, bp->doorbell_bar.handle, reg_off, htole32(val)); else bus_space_write_4(bp->hwrm_bar.tag, bp->hwrm_bar.handle, reg_off, htole32(val)); } static DEFINE_IDA(bnxt_aux_dev_ids); static device_method_t bnxt_iflib_methods[] = { DEVMETHOD(ifdi_tx_queues_alloc, bnxt_tx_queues_alloc), DEVMETHOD(ifdi_rx_queues_alloc, bnxt_rx_queues_alloc), DEVMETHOD(ifdi_queues_free, bnxt_queues_free), DEVMETHOD(ifdi_attach_pre, bnxt_attach_pre), DEVMETHOD(ifdi_attach_post, bnxt_attach_post), DEVMETHOD(ifdi_detach, bnxt_detach), DEVMETHOD(ifdi_init, bnxt_init), DEVMETHOD(ifdi_stop, bnxt_stop), DEVMETHOD(ifdi_multi_set, bnxt_multi_set), DEVMETHOD(ifdi_mtu_set, bnxt_mtu_set), DEVMETHOD(ifdi_media_status, bnxt_media_status), DEVMETHOD(ifdi_media_change, bnxt_media_change), DEVMETHOD(ifdi_promisc_set, bnxt_promisc_set), DEVMETHOD(ifdi_get_counter, bnxt_get_counter), DEVMETHOD(ifdi_update_admin_status, bnxt_update_admin_status), DEVMETHOD(ifdi_timer, bnxt_if_timer), DEVMETHOD(ifdi_intr_enable, bnxt_intr_enable), DEVMETHOD(ifdi_tx_queue_intr_enable, bnxt_tx_queue_intr_enable), DEVMETHOD(ifdi_rx_queue_intr_enable, bnxt_rx_queue_intr_enable), DEVMETHOD(ifdi_intr_disable, bnxt_disable_intr), DEVMETHOD(ifdi_msix_intr_assign, bnxt_msix_intr_assign), DEVMETHOD(ifdi_vlan_register, bnxt_vlan_register), DEVMETHOD(ifdi_vlan_unregister, bnxt_vlan_unregister), DEVMETHOD(ifdi_priv_ioctl, bnxt_priv_ioctl), DEVMETHOD(ifdi_suspend, bnxt_suspend), DEVMETHOD(ifdi_shutdown, bnxt_shutdown), DEVMETHOD(ifdi_resume, bnxt_resume), DEVMETHOD(ifdi_i2c_req, bnxt_i2c_req), DEVMETHOD(ifdi_needs_restart, bnxt_if_needs_restart), DEVMETHOD_END }; static driver_t bnxt_iflib_driver = { "bnxt", bnxt_iflib_methods, sizeof(struct bnxt_softc) }; /* * iflib shared context */ #define BNXT_DRIVER_VERSION "230.0.133.0" const char bnxt_driver_version[] = BNXT_DRIVER_VERSION; extern struct if_txrx bnxt_txrx; static struct if_shared_ctx bnxt_sctx_init = { .isc_magic = IFLIB_MAGIC, .isc_driver = &bnxt_iflib_driver, .isc_nfl = 2, // Number of Free Lists .isc_flags = IFLIB_HAS_RXCQ | IFLIB_HAS_TXCQ | IFLIB_NEED_ETHER_PAD, .isc_q_align = PAGE_SIZE, .isc_tx_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header), .isc_tx_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header), .isc_tso_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header), .isc_tso_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header), .isc_rx_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header), .isc_rx_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header), // Only use a single segment to avoid page size constraints .isc_rx_nsegments = 1, .isc_ntxqs = 3, .isc_nrxqs = 3, .isc_nrxd_min = {16, 16, 16}, .isc_nrxd_default = {PAGE_SIZE / sizeof(struct cmpl_base) * 8, PAGE_SIZE / sizeof(struct rx_prod_pkt_bd), PAGE_SIZE / sizeof(struct rx_prod_pkt_bd)}, .isc_nrxd_max = {BNXT_MAX_RXD, BNXT_MAX_RXD, BNXT_MAX_RXD}, .isc_ntxd_min = {16, 16, 16}, .isc_ntxd_default = {PAGE_SIZE / sizeof(struct cmpl_base) * 2, PAGE_SIZE / sizeof(struct tx_bd_short), /* NQ depth 4096 */ PAGE_SIZE / sizeof(struct cmpl_base) * 16}, .isc_ntxd_max = {BNXT_MAX_TXD, BNXT_MAX_TXD, BNXT_MAX_TXD}, .isc_admin_intrcnt = BNXT_ROCE_IRQ_COUNT, .isc_vendor_info = bnxt_vendor_info_array, .isc_driver_version = bnxt_driver_version, }; #define PCI_SUBSYSTEM_ID 0x2e static struct workqueue_struct *bnxt_pf_wq; extern void bnxt_destroy_irq(struct bnxt_softc *softc); /* * Device Methods */ static void * bnxt_register(device_t dev) { return (&bnxt_sctx_init); } static void bnxt_nq_alloc(struct bnxt_softc *softc, int nqsets) { if (softc->nq_rings) return; softc->nq_rings = malloc(sizeof(struct bnxt_cp_ring) * nqsets, M_DEVBUF, M_NOWAIT | M_ZERO); } static void bnxt_nq_free(struct bnxt_softc *softc) { if (softc->nq_rings) free(softc->nq_rings, M_DEVBUF); softc->nq_rings = NULL; } /* * Device Dependent Configuration Functions */ /* Soft queue setup and teardown */ static int bnxt_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int ntxqs, int ntxqsets) { struct bnxt_softc *softc; int i; int rc; softc = iflib_get_softc(ctx); if (BNXT_CHIP_P5(softc)) { bnxt_nq_alloc(softc, ntxqsets); if (!softc->nq_rings) { device_printf(iflib_get_dev(ctx), "unable to allocate NQ rings\n"); rc = ENOMEM; goto nq_alloc_fail; } } softc->tx_cp_rings = malloc(sizeof(struct bnxt_cp_ring) * ntxqsets, M_DEVBUF, M_NOWAIT | M_ZERO); if (!softc->tx_cp_rings) { device_printf(iflib_get_dev(ctx), "unable to allocate TX completion rings\n"); rc = ENOMEM; goto cp_alloc_fail; } softc->tx_rings = malloc(sizeof(struct bnxt_ring) * ntxqsets, M_DEVBUF, M_NOWAIT | M_ZERO); if (!softc->tx_rings) { device_printf(iflib_get_dev(ctx), "unable to allocate TX rings\n"); rc = ENOMEM; goto ring_alloc_fail; } for (i=0; i < ntxqsets; i++) { rc = iflib_dma_alloc(ctx, sizeof(struct ctx_hw_stats), &softc->tx_stats[i], 0); if (rc) goto dma_alloc_fail; bus_dmamap_sync(softc->tx_stats[i].idi_tag, softc->tx_stats[i].idi_map, BUS_DMASYNC_PREREAD); } for (i = 0; i < ntxqsets; i++) { /* Set up the completion ring */ softc->tx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE; softc->tx_cp_rings[i].ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE; softc->tx_cp_rings[i].ring.softc = softc; softc->tx_cp_rings[i].ring.idx = i; softc->tx_cp_rings[i].ring.id = (softc->scctx->isc_nrxqsets * 2) + 1 + i; softc->tx_cp_rings[i].ring.doorbell = (BNXT_CHIP_P5(softc)) ? DB_PF_OFFSET_P5: softc->tx_cp_rings[i].ring.id * 0x80; softc->tx_cp_rings[i].ring.ring_size = softc->scctx->isc_ntxd[0]; softc->tx_cp_rings[i].ring.vaddr = vaddrs[i * ntxqs]; softc->tx_cp_rings[i].ring.paddr = paddrs[i * ntxqs]; /* Set up the TX ring */ softc->tx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE; softc->tx_rings[i].softc = softc; softc->tx_rings[i].idx = i; softc->tx_rings[i].id = (softc->scctx->isc_nrxqsets * 2) + 1 + i; softc->tx_rings[i].doorbell = (BNXT_CHIP_P5(softc)) ? DB_PF_OFFSET_P5 : softc->tx_rings[i].id * 0x80; softc->tx_rings[i].ring_size = softc->scctx->isc_ntxd[1]; softc->tx_rings[i].vaddr = vaddrs[i * ntxqs + 1]; softc->tx_rings[i].paddr = paddrs[i * ntxqs + 1]; bnxt_create_tx_sysctls(softc, i); if (BNXT_CHIP_P5(softc)) { /* Set up the Notification ring (NQ) */ softc->nq_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE; softc->nq_rings[i].ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE; softc->nq_rings[i].ring.softc = softc; softc->nq_rings[i].ring.idx = i; softc->nq_rings[i].ring.id = i; softc->nq_rings[i].ring.doorbell = (BNXT_CHIP_P5(softc)) ? DB_PF_OFFSET_P5 : softc->nq_rings[i].ring.id * 0x80; softc->nq_rings[i].ring.ring_size = softc->scctx->isc_ntxd[2]; softc->nq_rings[i].ring.vaddr = vaddrs[i * ntxqs + 2]; softc->nq_rings[i].ring.paddr = paddrs[i * ntxqs + 2]; } } softc->ntxqsets = ntxqsets; return rc; dma_alloc_fail: for (i = i - 1; i >= 0; i--) iflib_dma_free(&softc->tx_stats[i]); free(softc->tx_rings, M_DEVBUF); ring_alloc_fail: free(softc->tx_cp_rings, M_DEVBUF); cp_alloc_fail: bnxt_nq_free(softc); nq_alloc_fail: return rc; } static void bnxt_queues_free(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); int i; // Free TX queues for (i=0; intxqsets; i++) iflib_dma_free(&softc->tx_stats[i]); free(softc->tx_rings, M_DEVBUF); softc->tx_rings = NULL; free(softc->tx_cp_rings, M_DEVBUF); softc->tx_cp_rings = NULL; softc->ntxqsets = 0; // Free RX queues for (i=0; inrxqsets; i++) iflib_dma_free(&softc->rx_stats[i]); iflib_dma_free(&softc->hw_tx_port_stats); iflib_dma_free(&softc->hw_rx_port_stats); iflib_dma_free(&softc->hw_tx_port_stats_ext); iflib_dma_free(&softc->hw_rx_port_stats_ext); free(softc->grp_info, M_DEVBUF); free(softc->ag_rings, M_DEVBUF); free(softc->rx_rings, M_DEVBUF); free(softc->rx_cp_rings, M_DEVBUF); bnxt_nq_free(softc); } static int bnxt_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nrxqs, int nrxqsets) { struct bnxt_softc *softc; int i; int rc; softc = iflib_get_softc(ctx); softc->rx_cp_rings = malloc(sizeof(struct bnxt_cp_ring) * nrxqsets, M_DEVBUF, M_NOWAIT | M_ZERO); if (!softc->rx_cp_rings) { device_printf(iflib_get_dev(ctx), "unable to allocate RX completion rings\n"); rc = ENOMEM; goto cp_alloc_fail; } softc->rx_rings = malloc(sizeof(struct bnxt_ring) * nrxqsets, M_DEVBUF, M_NOWAIT | M_ZERO); if (!softc->rx_rings) { device_printf(iflib_get_dev(ctx), "unable to allocate RX rings\n"); rc = ENOMEM; goto ring_alloc_fail; } softc->ag_rings = malloc(sizeof(struct bnxt_ring) * nrxqsets, M_DEVBUF, M_NOWAIT | M_ZERO); if (!softc->ag_rings) { device_printf(iflib_get_dev(ctx), "unable to allocate aggregation rings\n"); rc = ENOMEM; goto ag_alloc_fail; } softc->grp_info = malloc(sizeof(struct bnxt_grp_info) * nrxqsets, M_DEVBUF, M_NOWAIT | M_ZERO); if (!softc->grp_info) { device_printf(iflib_get_dev(ctx), "unable to allocate ring groups\n"); rc = ENOMEM; goto grp_alloc_fail; } for (i=0; i < nrxqsets; i++) { rc = iflib_dma_alloc(ctx, sizeof(struct ctx_hw_stats), &softc->rx_stats[i], 0); if (rc) goto hw_stats_alloc_fail; bus_dmamap_sync(softc->rx_stats[i].idi_tag, softc->rx_stats[i].idi_map, BUS_DMASYNC_PREREAD); } /* * Additional 512 bytes for future expansion. * To prevent corruption when loaded with newer firmwares with added counters. * This can be deleted when there will be no further additions of counters. */ #define BNXT_PORT_STAT_PADDING 512 rc = iflib_dma_alloc(ctx, sizeof(struct rx_port_stats) + BNXT_PORT_STAT_PADDING, &softc->hw_rx_port_stats, 0); if (rc) goto hw_port_rx_stats_alloc_fail; bus_dmamap_sync(softc->hw_rx_port_stats.idi_tag, softc->hw_rx_port_stats.idi_map, BUS_DMASYNC_PREREAD); rc = iflib_dma_alloc(ctx, sizeof(struct tx_port_stats) + BNXT_PORT_STAT_PADDING, &softc->hw_tx_port_stats, 0); if (rc) goto hw_port_tx_stats_alloc_fail; bus_dmamap_sync(softc->hw_tx_port_stats.idi_tag, softc->hw_tx_port_stats.idi_map, BUS_DMASYNC_PREREAD); softc->rx_port_stats = (void *) softc->hw_rx_port_stats.idi_vaddr; softc->tx_port_stats = (void *) softc->hw_tx_port_stats.idi_vaddr; rc = iflib_dma_alloc(ctx, sizeof(struct rx_port_stats_ext), &softc->hw_rx_port_stats_ext, 0); if (rc) goto hw_port_rx_stats_ext_alloc_fail; bus_dmamap_sync(softc->hw_rx_port_stats_ext.idi_tag, softc->hw_rx_port_stats_ext.idi_map, BUS_DMASYNC_PREREAD); rc = iflib_dma_alloc(ctx, sizeof(struct tx_port_stats_ext), &softc->hw_tx_port_stats_ext, 0); if (rc) goto hw_port_tx_stats_ext_alloc_fail; bus_dmamap_sync(softc->hw_tx_port_stats_ext.idi_tag, softc->hw_tx_port_stats_ext.idi_map, BUS_DMASYNC_PREREAD); softc->rx_port_stats_ext = (void *) softc->hw_rx_port_stats_ext.idi_vaddr; softc->tx_port_stats_ext = (void *) softc->hw_tx_port_stats_ext.idi_vaddr; for (i = 0; i < nrxqsets; i++) { /* Allocation the completion ring */ softc->rx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE; softc->rx_cp_rings[i].ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE; softc->rx_cp_rings[i].ring.softc = softc; softc->rx_cp_rings[i].ring.idx = i; softc->rx_cp_rings[i].ring.id = i + 1; softc->rx_cp_rings[i].ring.doorbell = (BNXT_CHIP_P5(softc)) ? DB_PF_OFFSET_P5 : softc->rx_cp_rings[i].ring.id * 0x80; /* * If this ring overflows, RX stops working. */ softc->rx_cp_rings[i].ring.ring_size = softc->scctx->isc_nrxd[0]; softc->rx_cp_rings[i].ring.vaddr = vaddrs[i * nrxqs]; softc->rx_cp_rings[i].ring.paddr = paddrs[i * nrxqs]; /* Allocate the RX ring */ softc->rx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE; softc->rx_rings[i].softc = softc; softc->rx_rings[i].idx = i; softc->rx_rings[i].id = i + 1; softc->rx_rings[i].doorbell = (BNXT_CHIP_P5(softc)) ? DB_PF_OFFSET_P5 : softc->rx_rings[i].id * 0x80; softc->rx_rings[i].ring_size = softc->scctx->isc_nrxd[1]; softc->rx_rings[i].vaddr = vaddrs[i * nrxqs + 1]; softc->rx_rings[i].paddr = paddrs[i * nrxqs + 1]; /* Allocate the TPA start buffer */ softc->rx_rings[i].tpa_start = malloc(sizeof(struct bnxt_full_tpa_start) * (RX_TPA_START_CMPL_AGG_ID_MASK >> RX_TPA_START_CMPL_AGG_ID_SFT), M_DEVBUF, M_NOWAIT | M_ZERO); if (softc->rx_rings[i].tpa_start == NULL) { rc = -ENOMEM; device_printf(softc->dev, "Unable to allocate space for TPA\n"); goto tpa_alloc_fail; } /* Allocate the AG ring */ softc->ag_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE; softc->ag_rings[i].softc = softc; softc->ag_rings[i].idx = i; softc->ag_rings[i].id = nrxqsets + i + 1; softc->ag_rings[i].doorbell = (BNXT_CHIP_P5(softc)) ? DB_PF_OFFSET_P5 : softc->ag_rings[i].id * 0x80; softc->ag_rings[i].ring_size = softc->scctx->isc_nrxd[2]; softc->ag_rings[i].vaddr = vaddrs[i * nrxqs + 2]; softc->ag_rings[i].paddr = paddrs[i * nrxqs + 2]; /* Allocate the ring group */ softc->grp_info[i].grp_id = (uint16_t)HWRM_NA_SIGNATURE; softc->grp_info[i].stats_ctx = softc->rx_cp_rings[i].stats_ctx_id; softc->grp_info[i].rx_ring_id = softc->rx_rings[i].phys_id; softc->grp_info[i].ag_ring_id = softc->ag_rings[i].phys_id; softc->grp_info[i].cp_ring_id = softc->rx_cp_rings[i].ring.phys_id; bnxt_create_rx_sysctls(softc, i); } /* * When SR-IOV is enabled, avoid each VF sending PORT_QSTATS * HWRM every sec with which firmware timeouts can happen */ if (BNXT_PF(softc)) bnxt_create_port_stats_sysctls(softc); /* And finally, the VNIC */ softc->vnic_info.id = (uint16_t)HWRM_NA_SIGNATURE; softc->vnic_info.filter_id = -1; softc->vnic_info.def_ring_grp = (uint16_t)HWRM_NA_SIGNATURE; softc->vnic_info.cos_rule = (uint16_t)HWRM_NA_SIGNATURE; softc->vnic_info.lb_rule = (uint16_t)HWRM_NA_SIGNATURE; softc->vnic_info.rx_mask = HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_BCAST | HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN; softc->vnic_info.mc_list_count = 0; softc->vnic_info.flags = BNXT_VNIC_FLAG_DEFAULT; rc = iflib_dma_alloc(ctx, BNXT_MAX_MC_ADDRS * ETHER_ADDR_LEN, &softc->vnic_info.mc_list, 0); if (rc) goto mc_list_alloc_fail; /* The VNIC RSS Hash Key */ rc = iflib_dma_alloc(ctx, HW_HASH_KEY_SIZE, &softc->vnic_info.rss_hash_key_tbl, 0); if (rc) goto rss_hash_alloc_fail; bus_dmamap_sync(softc->vnic_info.rss_hash_key_tbl.idi_tag, softc->vnic_info.rss_hash_key_tbl.idi_map, BUS_DMASYNC_PREWRITE); memcpy(softc->vnic_info.rss_hash_key_tbl.idi_vaddr, softc->vnic_info.rss_hash_key, HW_HASH_KEY_SIZE); /* Allocate the RSS tables */ rc = iflib_dma_alloc(ctx, HW_HASH_INDEX_SIZE * sizeof(uint16_t), &softc->vnic_info.rss_grp_tbl, 0); if (rc) goto rss_grp_alloc_fail; bus_dmamap_sync(softc->vnic_info.rss_grp_tbl.idi_tag, softc->vnic_info.rss_grp_tbl.idi_map, BUS_DMASYNC_PREWRITE); memset(softc->vnic_info.rss_grp_tbl.idi_vaddr, 0xff, softc->vnic_info.rss_grp_tbl.idi_size); softc->nrxqsets = nrxqsets; return rc; rss_grp_alloc_fail: iflib_dma_free(&softc->vnic_info.rss_hash_key_tbl); rss_hash_alloc_fail: iflib_dma_free(&softc->vnic_info.mc_list); mc_list_alloc_fail: for (i = i - 1; i >= 0; i--) { if (softc->rx_rings[i].tpa_start) free(softc->rx_rings[i].tpa_start, M_DEVBUF); } tpa_alloc_fail: iflib_dma_free(&softc->hw_tx_port_stats_ext); hw_port_tx_stats_ext_alloc_fail: iflib_dma_free(&softc->hw_rx_port_stats_ext); hw_port_rx_stats_ext_alloc_fail: iflib_dma_free(&softc->hw_tx_port_stats); hw_port_tx_stats_alloc_fail: iflib_dma_free(&softc->hw_rx_port_stats); hw_port_rx_stats_alloc_fail: for (i=0; i < nrxqsets; i++) { if (softc->rx_stats[i].idi_vaddr) iflib_dma_free(&softc->rx_stats[i]); } hw_stats_alloc_fail: free(softc->grp_info, M_DEVBUF); grp_alloc_fail: free(softc->ag_rings, M_DEVBUF); ag_alloc_fail: free(softc->rx_rings, M_DEVBUF); ring_alloc_fail: free(softc->rx_cp_rings, M_DEVBUF); cp_alloc_fail: return rc; } static void bnxt_free_hwrm_short_cmd_req(struct bnxt_softc *softc) { if (softc->hwrm_short_cmd_req_addr.idi_vaddr) iflib_dma_free(&softc->hwrm_short_cmd_req_addr); softc->hwrm_short_cmd_req_addr.idi_vaddr = NULL; } static int bnxt_alloc_hwrm_short_cmd_req(struct bnxt_softc *softc) { int rc; rc = iflib_dma_alloc(softc->ctx, softc->hwrm_max_req_len, &softc->hwrm_short_cmd_req_addr, BUS_DMA_NOWAIT); return rc; } static void bnxt_free_ring(struct bnxt_softc *softc, struct bnxt_ring_mem_info *rmem) { int i; for (i = 0; i < rmem->nr_pages; i++) { if (!rmem->pg_arr[i].idi_vaddr) continue; iflib_dma_free(&rmem->pg_arr[i]); rmem->pg_arr[i].idi_vaddr = NULL; } if (rmem->pg_tbl.idi_vaddr) { iflib_dma_free(&rmem->pg_tbl); rmem->pg_tbl.idi_vaddr = NULL; } if (rmem->vmem_size && *rmem->vmem) { free(*rmem->vmem, M_DEVBUF); *rmem->vmem = NULL; } } static void bnxt_init_ctx_mem(struct bnxt_ctx_mem_type *ctxm, void *p, int len) { u8 init_val = ctxm->init_value; u16 offset = ctxm->init_offset; u8 *p2 = p; int i; if (!init_val) return; if (offset == BNXT_CTX_INIT_INVALID_OFFSET) { memset(p, init_val, len); return; } for (i = 0; i < len; i += ctxm->entry_size) *(p2 + i + offset) = init_val; } static int bnxt_alloc_ring(struct bnxt_softc *softc, struct bnxt_ring_mem_info *rmem) { uint64_t valid_bit = 0; int i; int rc; if (rmem->flags & (BNXT_RMEM_VALID_PTE_FLAG | BNXT_RMEM_RING_PTE_FLAG)) valid_bit = PTU_PTE_VALID; if ((rmem->nr_pages > 1 || rmem->depth > 0) && !rmem->pg_tbl.idi_vaddr) { size_t pg_tbl_size = rmem->nr_pages * 8; if (rmem->flags & BNXT_RMEM_USE_FULL_PAGE_FLAG) pg_tbl_size = rmem->page_size; rc = iflib_dma_alloc(softc->ctx, pg_tbl_size, &rmem->pg_tbl, 0); if (rc) return -ENOMEM; } for (i = 0; i < rmem->nr_pages; i++) { uint64_t extra_bits = valid_bit; uint64_t *ptr; rc = iflib_dma_alloc(softc->ctx, rmem->page_size, &rmem->pg_arr[i], 0); if (rc) return -ENOMEM; if (rmem->ctx_mem) bnxt_init_ctx_mem(rmem->ctx_mem, rmem->pg_arr[i].idi_vaddr, rmem->page_size); if (rmem->nr_pages > 1 || rmem->depth > 0) { if (i == rmem->nr_pages - 2 && (rmem->flags & BNXT_RMEM_RING_PTE_FLAG)) extra_bits |= PTU_PTE_NEXT_TO_LAST; else if (i == rmem->nr_pages - 1 && (rmem->flags & BNXT_RMEM_RING_PTE_FLAG)) extra_bits |= PTU_PTE_LAST; ptr = (void *) rmem->pg_tbl.idi_vaddr; ptr[i] = htole64(rmem->pg_arr[i].idi_paddr | extra_bits); } } if (rmem->vmem_size) { *rmem->vmem = malloc(rmem->vmem_size, M_DEVBUF, M_NOWAIT | M_ZERO); if (!(*rmem->vmem)) return -ENOMEM; } return 0; } #define HWRM_FUNC_BACKING_STORE_CFG_INPUT_DFLT_ENABLES \ (HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_QP | \ HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_SRQ | \ HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_CQ | \ HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_VNIC | \ HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_STAT) static int bnxt_alloc_ctx_mem_blk(struct bnxt_softc *softc, struct bnxt_ctx_pg_info *ctx_pg) { struct bnxt_ring_mem_info *rmem = &ctx_pg->ring_mem; rmem->page_size = BNXT_PAGE_SIZE; rmem->pg_arr = ctx_pg->ctx_arr; rmem->flags = BNXT_RMEM_VALID_PTE_FLAG; if (rmem->depth >= 1) rmem->flags |= BNXT_RMEM_USE_FULL_PAGE_FLAG; return bnxt_alloc_ring(softc, rmem); } static int bnxt_alloc_ctx_pg_tbls(struct bnxt_softc *softc, struct bnxt_ctx_pg_info *ctx_pg, u32 mem_size, u8 depth, struct bnxt_ctx_mem_type *ctxm) { struct bnxt_ring_mem_info *rmem = &ctx_pg->ring_mem; int rc; if (!mem_size) return -EINVAL; ctx_pg->nr_pages = DIV_ROUND_UP(mem_size, BNXT_PAGE_SIZE); if (ctx_pg->nr_pages > MAX_CTX_TOTAL_PAGES) { ctx_pg->nr_pages = 0; return -EINVAL; } if (ctx_pg->nr_pages > MAX_CTX_PAGES || depth > 1) { int nr_tbls, i; rmem->depth = 2; ctx_pg->ctx_pg_tbl = kzalloc(MAX_CTX_PAGES * sizeof(ctx_pg), GFP_KERNEL); if (!ctx_pg->ctx_pg_tbl) return -ENOMEM; nr_tbls = DIV_ROUND_UP(ctx_pg->nr_pages, MAX_CTX_PAGES); rmem->nr_pages = nr_tbls; rc = bnxt_alloc_ctx_mem_blk(softc, ctx_pg); if (rc) return rc; for (i = 0; i < nr_tbls; i++) { struct bnxt_ctx_pg_info *pg_tbl; pg_tbl = kzalloc(sizeof(*pg_tbl), GFP_KERNEL); if (!pg_tbl) return -ENOMEM; ctx_pg->ctx_pg_tbl[i] = pg_tbl; rmem = &pg_tbl->ring_mem; memcpy(&rmem->pg_tbl, &ctx_pg->ctx_arr[i], sizeof(struct iflib_dma_info)); rmem->depth = 1; rmem->nr_pages = MAX_CTX_PAGES; rmem->ctx_mem = ctxm; if (i == (nr_tbls - 1)) { int rem = ctx_pg->nr_pages % MAX_CTX_PAGES; if (rem) rmem->nr_pages = rem; } rc = bnxt_alloc_ctx_mem_blk(softc, pg_tbl); if (rc) break; } } else { rmem->nr_pages = DIV_ROUND_UP(mem_size, BNXT_PAGE_SIZE); if (rmem->nr_pages > 1 || depth) rmem->depth = 1; rmem->ctx_mem = ctxm; rc = bnxt_alloc_ctx_mem_blk(softc, ctx_pg); } return rc; } static void bnxt_free_ctx_pg_tbls(struct bnxt_softc *softc, struct bnxt_ctx_pg_info *ctx_pg) { struct bnxt_ring_mem_info *rmem = &ctx_pg->ring_mem; if (rmem->depth > 1 || ctx_pg->nr_pages > MAX_CTX_PAGES || ctx_pg->ctx_pg_tbl) { int i, nr_tbls = rmem->nr_pages; for (i = 0; i < nr_tbls; i++) { struct bnxt_ctx_pg_info *pg_tbl; struct bnxt_ring_mem_info *rmem2; pg_tbl = ctx_pg->ctx_pg_tbl[i]; if (!pg_tbl) continue; rmem2 = &pg_tbl->ring_mem; bnxt_free_ring(softc, rmem2); ctx_pg->ctx_arr[i].idi_vaddr = NULL; free(pg_tbl , M_DEVBUF); ctx_pg->ctx_pg_tbl[i] = NULL; } kfree(ctx_pg->ctx_pg_tbl); ctx_pg->ctx_pg_tbl = NULL; } bnxt_free_ring(softc, rmem); ctx_pg->nr_pages = 0; } static int bnxt_setup_ctxm_pg_tbls(struct bnxt_softc *softc, struct bnxt_ctx_mem_type *ctxm, u32 entries, u8 pg_lvl) { struct bnxt_ctx_pg_info *ctx_pg = ctxm->pg_info; int i, rc = 0, n = 1; u32 mem_size; if (!ctxm->entry_size || !ctx_pg) return -EINVAL; if (ctxm->instance_bmap) n = hweight32(ctxm->instance_bmap); if (ctxm->entry_multiple) entries = roundup(entries, ctxm->entry_multiple); entries = clamp_t(u32, entries, ctxm->min_entries, ctxm->max_entries); mem_size = entries * ctxm->entry_size; for (i = 0; i < n && !rc; i++) { ctx_pg[i].entries = entries; rc = bnxt_alloc_ctx_pg_tbls(softc, &ctx_pg[i], mem_size, pg_lvl, ctxm->init_value ? ctxm : NULL); } return rc; } static void bnxt_free_ctx_mem(struct bnxt_softc *softc) { struct bnxt_ctx_mem_info *ctx = softc->ctx_mem; u16 type; if (!ctx) return; for (type = 0; type < BNXT_CTX_MAX; type++) { struct bnxt_ctx_mem_type *ctxm = &ctx->ctx_arr[type]; struct bnxt_ctx_pg_info *ctx_pg = ctxm->pg_info; int i, n = 1; if (!ctx_pg) continue; if (ctxm->instance_bmap) n = hweight32(ctxm->instance_bmap); for (i = 0; i < n; i++) bnxt_free_ctx_pg_tbls(softc, &ctx_pg[i]); kfree(ctx_pg); ctxm->pg_info = NULL; } ctx->flags &= ~BNXT_CTX_FLAG_INITED; kfree(ctx); softc->ctx_mem = NULL; } static int bnxt_alloc_ctx_mem(struct bnxt_softc *softc) { struct bnxt_ctx_pg_info *ctx_pg; struct bnxt_ctx_mem_type *ctxm; struct bnxt_ctx_mem_info *ctx; u32 l2_qps, qp1_qps, max_qps; u32 ena, entries_sp, entries; u32 srqs, max_srqs, min; u32 num_mr, num_ah; u32 extra_srqs = 0; u32 extra_qps = 0; u8 pg_lvl = 1; int i, rc; if (!BNXT_CHIP_P5(softc)) return 0; rc = bnxt_hwrm_func_backing_store_qcaps(softc); if (rc) { device_printf(softc->dev, "Failed querying context mem capability, rc = %d.\n", rc); return rc; } ctx = softc->ctx_mem; if (!ctx || (ctx->flags & BNXT_CTX_FLAG_INITED)) return 0; ctxm = &ctx->ctx_arr[BNXT_CTX_QP]; l2_qps = ctxm->qp_l2_entries; qp1_qps = ctxm->qp_qp1_entries; max_qps = ctxm->max_entries; ctxm = &ctx->ctx_arr[BNXT_CTX_SRQ]; srqs = ctxm->srq_l2_entries; max_srqs = ctxm->max_entries; if (softc->flags & BNXT_FLAG_ROCE_CAP) { pg_lvl = 2; extra_qps = min_t(u32, 65536, max_qps - l2_qps - qp1_qps); extra_srqs = min_t(u32, 8192, max_srqs - srqs); } ctxm = &ctx->ctx_arr[BNXT_CTX_QP]; rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, l2_qps + qp1_qps + extra_qps, pg_lvl); if (rc) return rc; ctxm = &ctx->ctx_arr[BNXT_CTX_SRQ]; rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, srqs + extra_srqs, pg_lvl); if (rc) return rc; ctxm = &ctx->ctx_arr[BNXT_CTX_CQ]; rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, ctxm->cq_l2_entries + extra_qps * 2, pg_lvl); if (rc) return rc; ctxm = &ctx->ctx_arr[BNXT_CTX_VNIC]; rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, ctxm->max_entries, 1); if (rc) return rc; ctxm = &ctx->ctx_arr[BNXT_CTX_STAT]; rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, ctxm->max_entries, 1); if (rc) return rc; ena = 0; if (!(softc->flags & BNXT_FLAG_ROCE_CAP)) goto skip_rdma; ctxm = &ctx->ctx_arr[BNXT_CTX_MRAV]; ctx_pg = ctxm->pg_info; /* 128K extra is needed to accomodate static AH context * allocation by f/w. */ num_mr = min_t(u32, ctxm->max_entries / 2, 1024 * 256); num_ah = min_t(u32, num_mr, 1024 * 128); rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, num_mr + num_ah, 2); if (rc) return rc; ctx_pg->entries = num_mr + num_ah; ena = HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_MRAV; if (ctxm->mrav_num_entries_units) ctx_pg->entries = ((num_mr / ctxm->mrav_num_entries_units) << 16) | (num_ah / ctxm->mrav_num_entries_units); ctxm = &ctx->ctx_arr[BNXT_CTX_TIM]; rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, l2_qps + qp1_qps + extra_qps, 1); if (rc) return rc; ena |= HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_TIM; skip_rdma: ctxm = &ctx->ctx_arr[BNXT_CTX_STQM]; min = ctxm->min_entries; entries_sp = ctx->ctx_arr[BNXT_CTX_VNIC].vnic_entries + l2_qps + 2 * (extra_qps + qp1_qps) + min; rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, entries_sp, 2); if (rc) return rc; ctxm = &ctx->ctx_arr[BNXT_CTX_FTQM]; entries = l2_qps + 2 * (extra_qps + qp1_qps); rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, entries, 2); if (rc) return rc; for (i = 0; i < ctx->tqm_fp_rings_count + 1; i++) { if (i < BNXT_MAX_TQM_LEGACY_RINGS) ena |= HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_TQM_SP << i; else ena |= HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_TQM_RING8; } ena |= HWRM_FUNC_BACKING_STORE_CFG_INPUT_DFLT_ENABLES; rc = bnxt_hwrm_func_backing_store_cfg(softc, ena); if (rc) { device_printf(softc->dev, "Failed configuring context mem, rc = %d.\n", rc); return rc; } ctx->flags |= BNXT_CTX_FLAG_INITED; return 0; } /* * If we update the index, a write barrier is needed after the write to ensure * the completion ring has space before the RX/TX ring does. Since we can't * make the RX and AG doorbells covered by the same barrier without remapping * MSI-X vectors, we create the barrier over the enture doorbell bar. * TODO: Remap the MSI-X vectors to allow a barrier to only cover the doorbells * for a single ring group. * * A barrier of just the size of the write is used to ensure the ordering * remains correct and no writes are lost. */ static void bnxt_cuw_db_rx(void *db_ptr, uint16_t idx) { struct bnxt_ring *ring = (struct bnxt_ring *) db_ptr; struct bnxt_bar_info *db_bar = &ring->softc->doorbell_bar; bus_space_barrier(db_bar->tag, db_bar->handle, ring->doorbell, 4, BUS_SPACE_BARRIER_WRITE); bus_space_write_4(db_bar->tag, db_bar->handle, ring->doorbell, htole32(RX_DOORBELL_KEY_RX | idx)); } static void bnxt_cuw_db_tx(void *db_ptr, uint16_t idx) { struct bnxt_ring *ring = (struct bnxt_ring *) db_ptr; struct bnxt_bar_info *db_bar = &ring->softc->doorbell_bar; bus_space_barrier(db_bar->tag, db_bar->handle, ring->doorbell, 4, BUS_SPACE_BARRIER_WRITE); bus_space_write_4(db_bar->tag, db_bar->handle, ring->doorbell, htole32(TX_DOORBELL_KEY_TX | idx)); } static void bnxt_cuw_db_cq(void *db_ptr, bool enable_irq) { struct bnxt_cp_ring *cpr = (struct bnxt_cp_ring *) db_ptr; struct bnxt_bar_info *db_bar = &cpr->ring.softc->doorbell_bar; bus_space_barrier(db_bar->tag, db_bar->handle, cpr->ring.doorbell, 4, BUS_SPACE_BARRIER_WRITE); bus_space_write_4(db_bar->tag, db_bar->handle, cpr->ring.doorbell, htole32(CMPL_DOORBELL_KEY_CMPL | ((cpr->cons == UINT32_MAX) ? 0 : (cpr->cons | CMPL_DOORBELL_IDX_VALID)) | ((enable_irq) ? 0 : CMPL_DOORBELL_MASK))); bus_space_barrier(db_bar->tag, db_bar->handle, 0, db_bar->size, BUS_SPACE_BARRIER_WRITE); } static void bnxt_thor_db_rx(void *db_ptr, uint16_t idx) { struct bnxt_ring *ring = (struct bnxt_ring *) db_ptr; struct bnxt_bar_info *db_bar = &ring->softc->doorbell_bar; bus_space_barrier(db_bar->tag, db_bar->handle, ring->doorbell, 8, BUS_SPACE_BARRIER_WRITE); bus_space_write_8(db_bar->tag, db_bar->handle, ring->doorbell, htole64((DBR_PATH_L2 | DBR_TYPE_SRQ | idx) | ((uint64_t)ring->phys_id << DBR_XID_SFT))); } static void bnxt_thor_db_tx(void *db_ptr, uint16_t idx) { struct bnxt_ring *ring = (struct bnxt_ring *) db_ptr; struct bnxt_bar_info *db_bar = &ring->softc->doorbell_bar; bus_space_barrier(db_bar->tag, db_bar->handle, ring->doorbell, 8, BUS_SPACE_BARRIER_WRITE); bus_space_write_8(db_bar->tag, db_bar->handle, ring->doorbell, htole64((DBR_PATH_L2 | DBR_TYPE_SQ | idx) | ((uint64_t)ring->phys_id << DBR_XID_SFT))); } static void bnxt_thor_db_rx_cq(void *db_ptr, bool enable_irq) { struct bnxt_cp_ring *cpr = (struct bnxt_cp_ring *) db_ptr; struct bnxt_bar_info *db_bar = &cpr->ring.softc->doorbell_bar; dbc_dbc_t db_msg = { 0 }; uint32_t cons = cpr->cons; if (cons == UINT32_MAX) cons = 0; else cons = RING_NEXT(&cpr->ring, cons); db_msg.index = ((cons << DBC_DBC_INDEX_SFT) & DBC_DBC_INDEX_MASK); db_msg.type_path_xid = ((cpr->ring.phys_id << DBC_DBC_XID_SFT) & DBC_DBC_XID_MASK) | DBC_DBC_PATH_L2 | ((enable_irq) ? DBC_DBC_TYPE_CQ_ARMALL: DBC_DBC_TYPE_CQ); bus_space_barrier(db_bar->tag, db_bar->handle, cpr->ring.doorbell, 8, BUS_SPACE_BARRIER_WRITE); bus_space_write_8(db_bar->tag, db_bar->handle, cpr->ring.doorbell, htole64(*(uint64_t *)&db_msg)); bus_space_barrier(db_bar->tag, db_bar->handle, 0, db_bar->size, BUS_SPACE_BARRIER_WRITE); } static void bnxt_thor_db_tx_cq(void *db_ptr, bool enable_irq) { struct bnxt_cp_ring *cpr = (struct bnxt_cp_ring *) db_ptr; struct bnxt_bar_info *db_bar = &cpr->ring.softc->doorbell_bar; dbc_dbc_t db_msg = { 0 }; uint32_t cons = cpr->cons; db_msg.index = ((cons << DBC_DBC_INDEX_SFT) & DBC_DBC_INDEX_MASK); db_msg.type_path_xid = ((cpr->ring.phys_id << DBC_DBC_XID_SFT) & DBC_DBC_XID_MASK) | DBC_DBC_PATH_L2 | ((enable_irq) ? DBC_DBC_TYPE_CQ_ARMALL: DBC_DBC_TYPE_CQ); bus_space_barrier(db_bar->tag, db_bar->handle, cpr->ring.doorbell, 8, BUS_SPACE_BARRIER_WRITE); bus_space_write_8(db_bar->tag, db_bar->handle, cpr->ring.doorbell, htole64(*(uint64_t *)&db_msg)); bus_space_barrier(db_bar->tag, db_bar->handle, 0, db_bar->size, BUS_SPACE_BARRIER_WRITE); } static void bnxt_thor_db_nq(void *db_ptr, bool enable_irq) { struct bnxt_cp_ring *cpr = (struct bnxt_cp_ring *) db_ptr; struct bnxt_bar_info *db_bar = &cpr->ring.softc->doorbell_bar; dbc_dbc_t db_msg = { 0 }; uint32_t cons = cpr->cons; db_msg.index = ((cons << DBC_DBC_INDEX_SFT) & DBC_DBC_INDEX_MASK); db_msg.type_path_xid = ((cpr->ring.phys_id << DBC_DBC_XID_SFT) & DBC_DBC_XID_MASK) | DBC_DBC_PATH_L2 | ((enable_irq) ? DBC_DBC_TYPE_NQ_ARM: DBC_DBC_TYPE_NQ); bus_space_barrier(db_bar->tag, db_bar->handle, cpr->ring.doorbell, 8, BUS_SPACE_BARRIER_WRITE); bus_space_write_8(db_bar->tag, db_bar->handle, cpr->ring.doorbell, htole64(*(uint64_t *)&db_msg)); bus_space_barrier(db_bar->tag, db_bar->handle, 0, db_bar->size, BUS_SPACE_BARRIER_WRITE); } struct bnxt_softc *bnxt_find_dev(uint32_t domain, uint32_t bus, uint32_t dev_fn, char *dev_name) { struct bnxt_softc_list *sc = NULL; SLIST_FOREACH(sc, &pf_list, next) { /* get the softc reference based on device name */ if (dev_name && !strncmp(dev_name, if_name(iflib_get_ifp(sc->softc->ctx)), BNXT_MAX_STR)) { return sc->softc; } /* get the softc reference based on domain,bus,device,function */ if (!dev_name && (domain == sc->softc->domain) && (bus == sc->softc->bus) && (dev_fn == sc->softc->dev_fn)) { return sc->softc; } } return NULL; } static void bnxt_verify_asym_queues(struct bnxt_softc *softc) { uint8_t i, lltc = 0; if (!softc->max_lltc) return; /* Verify that lossless TX and RX queues are in the same index */ for (i = 0; i < softc->max_tc; i++) { if (BNXT_LLQ(softc->tx_q_info[i].queue_profile) && BNXT_LLQ(softc->rx_q_info[i].queue_profile)) lltc++; } softc->max_lltc = min(softc->max_lltc, lltc); } static int bnxt_hwrm_poll(struct bnxt_softc *bp) { struct hwrm_ver_get_output *resp = (void *)bp->hwrm_cmd_resp.idi_vaddr; struct hwrm_ver_get_input req = {0}; int rc; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VER_GET); req.hwrm_intf_maj = HWRM_VERSION_MAJOR; req.hwrm_intf_min = HWRM_VERSION_MINOR; req.hwrm_intf_upd = HWRM_VERSION_UPDATE; rc = _hwrm_send_message(bp, &req, sizeof(req)); if (rc) return rc; if (resp->flags & HWRM_VER_GET_OUTPUT_FLAGS_DEV_NOT_RDY) rc = -EAGAIN; return rc; } static void bnxt_rtnl_lock_sp(struct bnxt_softc *bp) { /* We are called from bnxt_sp_task which has BNXT_STATE_IN_SP_TASK * set. If the device is being closed, bnxt_close() may be holding * rtnl() and waiting for BNXT_STATE_IN_SP_TASK to clear. So we * must clear BNXT_STATE_IN_SP_TASK before holding rtnl(). */ clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); rtnl_lock(); } static void bnxt_rtnl_unlock_sp(struct bnxt_softc *bp) { set_bit(BNXT_STATE_IN_SP_TASK, &bp->state); rtnl_unlock(); } static void bnxt_fw_fatal_close(struct bnxt_softc *softc) { bnxt_disable_intr(softc->ctx); if (pci_is_enabled(softc->pdev)) pci_disable_device(softc->pdev); } static u32 bnxt_fw_health_readl(struct bnxt_softc *bp, int reg_idx) { struct bnxt_fw_health *fw_health = bp->fw_health; u32 reg = fw_health->regs[reg_idx]; u32 reg_type, reg_off, val = 0; reg_type = BNXT_FW_HEALTH_REG_TYPE(reg); reg_off = BNXT_FW_HEALTH_REG_OFF(reg); switch (reg_type) { case BNXT_FW_HEALTH_REG_TYPE_CFG: pci_read_config_dword(bp->pdev, reg_off, &val); break; case BNXT_FW_HEALTH_REG_TYPE_GRC: reg_off = fw_health->mapped_regs[reg_idx]; fallthrough; case BNXT_FW_HEALTH_REG_TYPE_BAR0: val = readl_fbsd(bp, reg_off, 0); break; case BNXT_FW_HEALTH_REG_TYPE_BAR1: val = readl_fbsd(bp, reg_off, 2); break; } if (reg_idx == BNXT_FW_RESET_INPROG_REG) val &= fw_health->fw_reset_inprog_reg_mask; return val; } static void bnxt_fw_reset_close(struct bnxt_softc *bp) { int i; bnxt_ulp_stop(bp); /* When firmware is in fatal state, quiesce device and disable * bus master to prevent any potential bad DMAs before freeing * kernel memory. */ if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) { u16 val = 0; val = pci_read_config(bp->dev, PCI_SUBSYSTEM_ID, 2); if (val == 0xffff) { bp->fw_reset_min_dsecs = 0; } bnxt_fw_fatal_close(bp); } iflib_request_reset(bp->ctx); bnxt_stop(bp->ctx); bnxt_hwrm_func_drv_unrgtr(bp, false); for (i = bp->nrxqsets-1; i>=0; i--) { if (BNXT_CHIP_P5(bp)) iflib_irq_free(bp->ctx, &bp->nq_rings[i].irq); else iflib_irq_free(bp->ctx, &bp->rx_cp_rings[i].irq); } if (pci_is_enabled(bp->pdev)) pci_disable_device(bp->pdev); pci_disable_busmaster(bp->dev); bnxt_free_ctx_mem(bp); } static bool is_bnxt_fw_ok(struct bnxt_softc *bp) { struct bnxt_fw_health *fw_health = bp->fw_health; bool no_heartbeat = false, has_reset = false; u32 val; val = bnxt_fw_health_readl(bp, BNXT_FW_HEARTBEAT_REG); if (val == fw_health->last_fw_heartbeat) no_heartbeat = true; val = bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG); if (val != fw_health->last_fw_reset_cnt) has_reset = true; if (!no_heartbeat && has_reset) return true; return false; } void bnxt_fw_reset(struct bnxt_softc *bp) { bnxt_rtnl_lock_sp(bp); if (test_bit(BNXT_STATE_OPEN, &bp->state) && !test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) { int tmo; set_bit(BNXT_STATE_IN_FW_RESET, &bp->state); bnxt_fw_reset_close(bp); if ((bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD)) { bp->fw_reset_state = BNXT_FW_RESET_STATE_POLL_FW_DOWN; tmo = HZ / 10; } else { bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; tmo = bp->fw_reset_min_dsecs * HZ /10; } bnxt_queue_fw_reset_work(bp, tmo); } bnxt_rtnl_unlock_sp(bp); } static void bnxt_queue_fw_reset_work(struct bnxt_softc *bp, unsigned long delay) { if (!(test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))) return; if (BNXT_PF(bp)) queue_delayed_work(bnxt_pf_wq, &bp->fw_reset_task, delay); else schedule_delayed_work(&bp->fw_reset_task, delay); } void bnxt_queue_sp_work(struct bnxt_softc *bp) { if (BNXT_PF(bp)) queue_work(bnxt_pf_wq, &bp->sp_task); else schedule_work(&bp->sp_task); } static void bnxt_fw_reset_writel(struct bnxt_softc *bp, int reg_idx) { struct bnxt_fw_health *fw_health = bp->fw_health; u32 reg = fw_health->fw_reset_seq_regs[reg_idx]; u32 val = fw_health->fw_reset_seq_vals[reg_idx]; u32 reg_type, reg_off, delay_msecs; delay_msecs = fw_health->fw_reset_seq_delay_msec[reg_idx]; reg_type = BNXT_FW_HEALTH_REG_TYPE(reg); reg_off = BNXT_FW_HEALTH_REG_OFF(reg); switch (reg_type) { case BNXT_FW_HEALTH_REG_TYPE_CFG: pci_write_config_dword(bp->pdev, reg_off, val); break; case BNXT_FW_HEALTH_REG_TYPE_GRC: writel_fbsd(bp, BNXT_GRCPF_REG_WINDOW_BASE_OUT + 4, 0, reg_off & BNXT_GRC_BASE_MASK); reg_off = (reg_off & BNXT_GRC_OFFSET_MASK) + 0x2000; fallthrough; case BNXT_FW_HEALTH_REG_TYPE_BAR0: writel_fbsd(bp, reg_off, 0, val); break; case BNXT_FW_HEALTH_REG_TYPE_BAR1: writel_fbsd(bp, reg_off, 2, val); break; } if (delay_msecs) { pci_read_config_dword(bp->pdev, 0, &val); msleep(delay_msecs); } } static void bnxt_reset_all(struct bnxt_softc *bp) { struct bnxt_fw_health *fw_health = bp->fw_health; int i, rc; if (bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD) { bp->fw_reset_timestamp = jiffies; return; } if (fw_health->flags & HWRM_ERROR_RECOVERY_QCFG_OUTPUT_FLAGS_HOST) { for (i = 0; i < fw_health->fw_reset_seq_cnt; i++) bnxt_fw_reset_writel(bp, i); } else if (fw_health->flags & HWRM_ERROR_RECOVERY_QCFG_OUTPUT_FLAGS_CO_CPU) { struct hwrm_fw_reset_input req = {0}; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET); req.target_id = htole16(HWRM_TARGET_ID_KONG); req.embedded_proc_type = HWRM_FW_RESET_INPUT_EMBEDDED_PROC_TYPE_CHIP; req.selfrst_status = HWRM_FW_RESET_INPUT_SELFRST_STATUS_SELFRSTASAP; req.flags = HWRM_FW_RESET_INPUT_FLAGS_RESET_GRACEFUL; rc = hwrm_send_message(bp, &req, sizeof(req)); if (rc != -ENODEV) device_printf(bp->dev, "Unable to reset FW rc=%d\n", rc); } bp->fw_reset_timestamp = jiffies; } static int __bnxt_alloc_fw_health(struct bnxt_softc *bp) { if (bp->fw_health) return 0; bp->fw_health = kzalloc(sizeof(*bp->fw_health), GFP_KERNEL); if (!bp->fw_health) return -ENOMEM; mutex_init(&bp->fw_health->lock); return 0; } static int bnxt_alloc_fw_health(struct bnxt_softc *bp) { int rc; if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET) && !(bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY)) return 0; rc = __bnxt_alloc_fw_health(bp); if (rc) { bp->fw_cap &= ~BNXT_FW_CAP_HOT_RESET; bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY; return rc; } return 0; } static inline void __bnxt_map_fw_health_reg(struct bnxt_softc *bp, u32 reg) { writel_fbsd(bp, BNXT_GRCPF_REG_WINDOW_BASE_OUT + BNXT_FW_HEALTH_WIN_MAP_OFF, 0, reg & BNXT_GRC_BASE_MASK); } static int bnxt_map_fw_health_regs(struct bnxt_softc *bp) { struct bnxt_fw_health *fw_health = bp->fw_health; u32 reg_base = 0xffffffff; int i; bp->fw_health->status_reliable = false; bp->fw_health->resets_reliable = false; /* Only pre-map the monitoring GRC registers using window 3 */ for (i = 0; i < 4; i++) { u32 reg = fw_health->regs[i]; if (BNXT_FW_HEALTH_REG_TYPE(reg) != BNXT_FW_HEALTH_REG_TYPE_GRC) continue; if (reg_base == 0xffffffff) reg_base = reg & BNXT_GRC_BASE_MASK; if ((reg & BNXT_GRC_BASE_MASK) != reg_base) return -ERANGE; fw_health->mapped_regs[i] = BNXT_FW_HEALTH_WIN_OFF(reg); } bp->fw_health->status_reliable = true; bp->fw_health->resets_reliable = true; if (reg_base == 0xffffffff) return 0; __bnxt_map_fw_health_reg(bp, reg_base); return 0; } static void bnxt_inv_fw_health_reg(struct bnxt_softc *bp) { struct bnxt_fw_health *fw_health = bp->fw_health; u32 reg_type; if (!fw_health) return; reg_type = BNXT_FW_HEALTH_REG_TYPE(fw_health->regs[BNXT_FW_HEALTH_REG]); if (reg_type == BNXT_FW_HEALTH_REG_TYPE_GRC) fw_health->status_reliable = false; reg_type = BNXT_FW_HEALTH_REG_TYPE(fw_health->regs[BNXT_FW_RESET_CNT_REG]); if (reg_type == BNXT_FW_HEALTH_REG_TYPE_GRC) fw_health->resets_reliable = false; } static int bnxt_hwrm_error_recovery_qcfg(struct bnxt_softc *bp) { struct bnxt_fw_health *fw_health = bp->fw_health; struct hwrm_error_recovery_qcfg_output *resp = (void *)bp->hwrm_cmd_resp.idi_vaddr; struct hwrm_error_recovery_qcfg_input req = {0}; int rc, i; if (!(bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY)) return 0; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_ERROR_RECOVERY_QCFG); rc = _hwrm_send_message(bp, &req, sizeof(req)); if (rc) goto err_recovery_out; fw_health->flags = le32toh(resp->flags); if ((fw_health->flags & HWRM_ERROR_RECOVERY_QCFG_OUTPUT_FLAGS_CO_CPU) && !(bp->fw_cap & BNXT_FW_CAP_KONG_MB_CHNL)) { rc = -EINVAL; goto err_recovery_out; } fw_health->polling_dsecs = le32toh(resp->driver_polling_freq); fw_health->master_func_wait_dsecs = le32toh(resp->master_func_wait_period); fw_health->normal_func_wait_dsecs = le32toh(resp->normal_func_wait_period); fw_health->post_reset_wait_dsecs = le32toh(resp->master_func_wait_period_after_reset); fw_health->post_reset_max_wait_dsecs = le32toh(resp->max_bailout_time_after_reset); fw_health->regs[BNXT_FW_HEALTH_REG] = le32toh(resp->fw_health_status_reg); fw_health->regs[BNXT_FW_HEARTBEAT_REG] = le32toh(resp->fw_heartbeat_reg); fw_health->regs[BNXT_FW_RESET_CNT_REG] = le32toh(resp->fw_reset_cnt_reg); fw_health->regs[BNXT_FW_RESET_INPROG_REG] = le32toh(resp->reset_inprogress_reg); fw_health->fw_reset_inprog_reg_mask = le32toh(resp->reset_inprogress_reg_mask); fw_health->fw_reset_seq_cnt = resp->reg_array_cnt; if (fw_health->fw_reset_seq_cnt >= 16) { rc = -EINVAL; goto err_recovery_out; } for (i = 0; i < fw_health->fw_reset_seq_cnt; i++) { fw_health->fw_reset_seq_regs[i] = le32toh(resp->reset_reg[i]); fw_health->fw_reset_seq_vals[i] = le32toh(resp->reset_reg_val[i]); fw_health->fw_reset_seq_delay_msec[i] = le32toh(resp->delay_after_reset[i]); } err_recovery_out: if (!rc) rc = bnxt_map_fw_health_regs(bp); if (rc) bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY; return rc; } static int bnxt_drv_rgtr(struct bnxt_softc *bp) { int rc; /* determine whether we can support error recovery before * registering with FW */ if (bnxt_alloc_fw_health(bp)) { device_printf(bp->dev, "no memory for firmware error recovery\n"); } else { rc = bnxt_hwrm_error_recovery_qcfg(bp); if (rc) device_printf(bp->dev, "hwrm query error recovery failure rc: %d\n", rc); } rc = bnxt_hwrm_func_drv_rgtr(bp, NULL, 0, false); //sumit dbg: revisit the params if (rc) return -ENODEV; return 0; } static bool bnxt_fw_reset_timeout(struct bnxt_softc *bp) { return time_after(jiffies, bp->fw_reset_timestamp + (bp->fw_reset_max_dsecs * HZ / 10)); } static int bnxt_open(struct bnxt_softc *bp) { int rc = 0; if (BNXT_PF(bp)) rc = bnxt_hwrm_nvm_get_dev_info(bp, &bp->nvm_info->mfg_id, &bp->nvm_info->device_id, &bp->nvm_info->sector_size, &bp->nvm_info->size, &bp->nvm_info->reserved_size, &bp->nvm_info->available_size); /* Get the queue config */ rc = bnxt_hwrm_queue_qportcfg(bp, HWRM_QUEUE_QPORTCFG_INPUT_FLAGS_PATH_TX); if (rc) { device_printf(bp->dev, "reinit: hwrm qportcfg (tx) failed\n"); return rc; } if (bp->is_asym_q) { rc = bnxt_hwrm_queue_qportcfg(bp, HWRM_QUEUE_QPORTCFG_INPUT_FLAGS_PATH_RX); if (rc) { device_printf(bp->dev, "re-init: hwrm qportcfg (rx) failed\n"); return rc; } bnxt_verify_asym_queues(bp); } else { bp->rx_max_q = bp->tx_max_q; memcpy(bp->rx_q_info, bp->tx_q_info, sizeof(bp->rx_q_info)); memcpy(bp->rx_q_ids, bp->tx_q_ids, sizeof(bp->rx_q_ids)); } /* Get the HW capabilities */ rc = bnxt_hwrm_func_qcaps(bp); if (rc) return rc; /* Register the driver with the FW */ rc = bnxt_drv_rgtr(bp); if (rc) return rc; if (bp->hwrm_spec_code >= 0x10803) { rc = bnxt_alloc_ctx_mem(bp); if (rc) { device_printf(bp->dev, "attach: alloc_ctx_mem failed\n"); return rc; } rc = bnxt_hwrm_func_resc_qcaps(bp, true); if (!rc) bp->flags |= BNXT_FLAG_FW_CAP_NEW_RM; } if (BNXT_CHIP_P5(bp)) bnxt_hwrm_reserve_pf_rings(bp); /* Get the current configuration of this function */ rc = bnxt_hwrm_func_qcfg(bp); if (rc) { device_printf(bp->dev, "re-init: hwrm func qcfg failed\n"); return rc; } bnxt_msix_intr_assign(bp->ctx, 0); bnxt_init(bp->ctx); bnxt_intr_enable(bp->ctx); if (test_and_clear_bit(BNXT_STATE_FW_RESET_DET, &bp->state)) { if (!test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) { bnxt_ulp_start(bp, 0); } } device_printf(bp->dev, "Network interface is UP and operational\n"); return rc; } static void bnxt_fw_reset_abort(struct bnxt_softc *bp, int rc) { clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); if (bp->fw_reset_state != BNXT_FW_RESET_STATE_POLL_VF) { bnxt_ulp_start(bp, rc); } bp->fw_reset_state = 0; } static void bnxt_fw_reset_task(struct work_struct *work) { struct bnxt_softc *bp = container_of(work, struct bnxt_softc, fw_reset_task.work); int rc = 0; if (!test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) { device_printf(bp->dev, "bnxt_fw_reset_task() called when not in fw reset mode!\n"); return; } switch (bp->fw_reset_state) { case BNXT_FW_RESET_STATE_POLL_FW_DOWN: { u32 val; val = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG); if (!(val & BNXT_FW_STATUS_SHUTDOWN) && !bnxt_fw_reset_timeout(bp)) { bnxt_queue_fw_reset_work(bp, HZ / 5); return; } if (!bp->fw_health->primary) { u32 wait_dsecs = bp->fw_health->normal_func_wait_dsecs; bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; bnxt_queue_fw_reset_work(bp, wait_dsecs * HZ / 10); return; } bp->fw_reset_state = BNXT_FW_RESET_STATE_RESET_FW; } fallthrough; case BNXT_FW_RESET_STATE_RESET_FW: bnxt_reset_all(bp); bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; bnxt_queue_fw_reset_work(bp, bp->fw_reset_min_dsecs * HZ / 10); return; case BNXT_FW_RESET_STATE_ENABLE_DEV: bnxt_inv_fw_health_reg(bp); if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state) && !bp->fw_reset_min_dsecs) { u16 val; val = pci_read_config(bp->dev, PCI_SUBSYSTEM_ID, 2); if (val == 0xffff) { if (bnxt_fw_reset_timeout(bp)) { device_printf(bp->dev, "Firmware reset aborted, PCI config space invalid\n"); rc = -ETIMEDOUT; goto fw_reset_abort; } bnxt_queue_fw_reset_work(bp, HZ / 1000); return; } } clear_bit(BNXT_STATE_FW_FATAL_COND, &bp->state); clear_bit(BNXT_STATE_FW_NON_FATAL_COND, &bp->state); if (!pci_is_enabled(bp->pdev)) { if (pci_enable_device(bp->pdev)) { device_printf(bp->dev, "Cannot re-enable PCI device\n"); rc = -ENODEV; goto fw_reset_abort; } } pci_set_master(bp->pdev); bp->fw_reset_state = BNXT_FW_RESET_STATE_POLL_FW; fallthrough; case BNXT_FW_RESET_STATE_POLL_FW: bp->hwrm_cmd_timeo = SHORT_HWRM_CMD_TIMEOUT; rc = bnxt_hwrm_poll(bp); if (rc) { if (bnxt_fw_reset_timeout(bp)) { device_printf(bp->dev, "Firmware reset aborted\n"); goto fw_reset_abort_status; } bnxt_queue_fw_reset_work(bp, HZ / 5); return; } bp->hwrm_cmd_timeo = DFLT_HWRM_CMD_TIMEOUT; bp->fw_reset_state = BNXT_FW_RESET_STATE_OPENING; fallthrough; case BNXT_FW_RESET_STATE_OPENING: rc = bnxt_open(bp); if (rc) { device_printf(bp->dev, "bnxt_open() failed during FW reset\n"); bnxt_fw_reset_abort(bp, rc); rtnl_unlock(); return; } if ((bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY) && bp->fw_health->enabled) { bp->fw_health->last_fw_reset_cnt = bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG); } bp->fw_reset_state = 0; smp_mb__before_atomic(); clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); bnxt_ulp_start(bp, 0); clear_bit(BNXT_STATE_FW_ACTIVATE, &bp->state); set_bit(BNXT_STATE_OPEN, &bp->state); rtnl_unlock(); } return; fw_reset_abort_status: if (bp->fw_health->status_reliable || (bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY)) { u32 sts = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG); device_printf(bp->dev, "fw_health_status 0x%x\n", sts); } fw_reset_abort: rtnl_lock(); bnxt_fw_reset_abort(bp, rc); rtnl_unlock(); } static void bnxt_force_fw_reset(struct bnxt_softc *bp) { struct bnxt_fw_health *fw_health = bp->fw_health; u32 wait_dsecs; if (!test_bit(BNXT_STATE_OPEN, &bp->state) || test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) return; bnxt_fw_reset_close(bp); wait_dsecs = fw_health->master_func_wait_dsecs; if (fw_health->primary) { if (fw_health->flags & HWRM_ERROR_RECOVERY_QCFG_OUTPUT_FLAGS_CO_CPU) wait_dsecs = 0; bp->fw_reset_state = BNXT_FW_RESET_STATE_RESET_FW; } else { bp->fw_reset_timestamp = jiffies + wait_dsecs * HZ / 10; wait_dsecs = fw_health->normal_func_wait_dsecs; bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; } bp->fw_reset_min_dsecs = fw_health->post_reset_wait_dsecs; bp->fw_reset_max_dsecs = fw_health->post_reset_max_wait_dsecs; bnxt_queue_fw_reset_work(bp, wait_dsecs * HZ / 10); } static void bnxt_fw_exception(struct bnxt_softc *bp) { device_printf(bp->dev, "Detected firmware fatal condition, initiating reset\n"); set_bit(BNXT_STATE_FW_FATAL_COND, &bp->state); bnxt_rtnl_lock_sp(bp); bnxt_force_fw_reset(bp); bnxt_rtnl_unlock_sp(bp); } static void __bnxt_fw_recover(struct bnxt_softc *bp) { if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state) || test_bit(BNXT_STATE_FW_NON_FATAL_COND, &bp->state)) bnxt_fw_reset(bp); else bnxt_fw_exception(bp); } static void bnxt_devlink_health_fw_report(struct bnxt_softc *bp) { struct bnxt_fw_health *fw_health = bp->fw_health; if (!fw_health) return; if (!fw_health->fw_reporter) { __bnxt_fw_recover(bp); return; } } static void bnxt_sp_task(struct work_struct *work) { struct bnxt_softc *bp = container_of(work, struct bnxt_softc, sp_task); set_bit(BNXT_STATE_IN_SP_TASK, &bp->state); smp_mb__after_atomic(); if (!test_bit(BNXT_STATE_OPEN, &bp->state)) { clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); return; } if (test_and_clear_bit(BNXT_FW_RESET_NOTIFY_SP_EVENT, &bp->sp_event)) { if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state) || test_bit(BNXT_STATE_FW_NON_FATAL_COND, &bp->state)) bnxt_devlink_health_fw_report(bp); else bnxt_fw_reset(bp); } if (test_and_clear_bit(BNXT_FW_EXCEPTION_SP_EVENT, &bp->sp_event)) { if (!is_bnxt_fw_ok(bp)) bnxt_devlink_health_fw_report(bp); } smp_mb__before_atomic(); clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); } /* Device setup and teardown */ static int bnxt_attach_pre(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); if_softc_ctx_t scctx; int rc = 0; softc->ctx = ctx; softc->dev = iflib_get_dev(ctx); softc->media = iflib_get_media(ctx); softc->scctx = iflib_get_softc_ctx(ctx); softc->sctx = iflib_get_sctx(ctx); scctx = softc->scctx; /* TODO: Better way of detecting NPAR/VF is needed */ switch (pci_get_device(softc->dev)) { case BCM57402_NPAR: case BCM57404_NPAR: case BCM57406_NPAR: case BCM57407_NPAR: case BCM57412_NPAR1: case BCM57412_NPAR2: case BCM57414_NPAR1: case BCM57414_NPAR2: case BCM57416_NPAR1: case BCM57416_NPAR2: case BCM57504_NPAR: softc->flags |= BNXT_FLAG_NPAR; break; case NETXTREME_C_VF1: case NETXTREME_C_VF2: case NETXTREME_C_VF3: case NETXTREME_E_VF1: case NETXTREME_E_VF2: case NETXTREME_E_VF3: softc->flags |= BNXT_FLAG_VF; break; } softc->domain = pci_get_domain(softc->dev); softc->bus = pci_get_bus(softc->dev); softc->slot = pci_get_slot(softc->dev); softc->function = pci_get_function(softc->dev); softc->dev_fn = PCI_DEVFN(softc->slot, softc->function); if (bnxt_num_pfs == 0) SLIST_INIT(&pf_list); bnxt_num_pfs++; softc->list.softc = softc; SLIST_INSERT_HEAD(&pf_list, &softc->list, next); pci_enable_busmaster(softc->dev); if (bnxt_pci_mapping(softc)) { device_printf(softc->dev, "PCI mapping failed\n"); rc = ENXIO; goto pci_map_fail; } softc->pdev = kzalloc(sizeof(*softc->pdev), GFP_KERNEL); if (!softc->pdev) { device_printf(softc->dev, "pdev alloc failed\n"); rc = -ENOMEM; goto free_pci_map; } rc = linux_pci_attach_device(softc->dev, NULL, NULL, softc->pdev); if (rc) { device_printf(softc->dev, "Failed to attach Linux PCI device 0x%x\n", rc); goto pci_attach_fail; } /* HWRM setup/init */ BNXT_HWRM_LOCK_INIT(softc, device_get_nameunit(softc->dev)); rc = bnxt_alloc_hwrm_dma_mem(softc); if (rc) goto dma_fail; /* Get firmware version and compare with driver */ softc->ver_info = malloc(sizeof(struct bnxt_ver_info), M_DEVBUF, M_NOWAIT | M_ZERO); if (softc->ver_info == NULL) { rc = ENOMEM; device_printf(softc->dev, "Unable to allocate space for version info\n"); goto ver_alloc_fail; } /* Default minimum required HWRM version */ softc->ver_info->hwrm_min_major = HWRM_VERSION_MAJOR; softc->ver_info->hwrm_min_minor = HWRM_VERSION_MINOR; softc->ver_info->hwrm_min_update = HWRM_VERSION_UPDATE; rc = bnxt_hwrm_ver_get(softc); if (rc) { device_printf(softc->dev, "attach: hwrm ver get failed\n"); goto ver_fail; } /* Now perform a function reset */ rc = bnxt_hwrm_func_reset(softc); if ((softc->flags & BNXT_FLAG_SHORT_CMD) || softc->hwrm_max_ext_req_len > BNXT_HWRM_MAX_REQ_LEN) { rc = bnxt_alloc_hwrm_short_cmd_req(softc); if (rc) goto hwrm_short_cmd_alloc_fail; } if ((softc->ver_info->chip_num == BCM57508) || (softc->ver_info->chip_num == BCM57504) || (softc->ver_info->chip_num == BCM57504_NPAR) || (softc->ver_info->chip_num == BCM57502)) softc->flags |= BNXT_FLAG_CHIP_P5; softc->flags |= BNXT_FLAG_TPA; if (BNXT_CHIP_P5(softc) && (!softc->ver_info->chip_rev) && (!softc->ver_info->chip_metal)) softc->flags &= ~BNXT_FLAG_TPA; if (BNXT_CHIP_P5(softc)) softc->flags &= ~BNXT_FLAG_TPA; /* Get NVRAM info */ if (BNXT_PF(softc)) { if (!bnxt_pf_wq) { bnxt_pf_wq = create_singlethread_workqueue("bnxt_pf_wq"); if (!bnxt_pf_wq) { device_printf(softc->dev, "Unable to create workqueue.\n"); rc = -ENOMEM; goto nvm_alloc_fail; } } softc->nvm_info = malloc(sizeof(struct bnxt_nvram_info), M_DEVBUF, M_NOWAIT | M_ZERO); if (softc->nvm_info == NULL) { rc = ENOMEM; device_printf(softc->dev, "Unable to allocate space for NVRAM info\n"); goto nvm_alloc_fail; } rc = bnxt_hwrm_nvm_get_dev_info(softc, &softc->nvm_info->mfg_id, &softc->nvm_info->device_id, &softc->nvm_info->sector_size, &softc->nvm_info->size, &softc->nvm_info->reserved_size, &softc->nvm_info->available_size); } if (BNXT_CHIP_P5(softc)) { softc->db_ops.bnxt_db_tx = bnxt_thor_db_tx; softc->db_ops.bnxt_db_rx = bnxt_thor_db_rx; softc->db_ops.bnxt_db_rx_cq = bnxt_thor_db_rx_cq; softc->db_ops.bnxt_db_tx_cq = bnxt_thor_db_tx_cq; softc->db_ops.bnxt_db_nq = bnxt_thor_db_nq; } else { softc->db_ops.bnxt_db_tx = bnxt_cuw_db_tx; softc->db_ops.bnxt_db_rx = bnxt_cuw_db_rx; softc->db_ops.bnxt_db_rx_cq = bnxt_cuw_db_cq; softc->db_ops.bnxt_db_tx_cq = bnxt_cuw_db_cq; } /* Get the queue config */ rc = bnxt_hwrm_queue_qportcfg(softc, HWRM_QUEUE_QPORTCFG_INPUT_FLAGS_PATH_TX); if (rc) { device_printf(softc->dev, "attach: hwrm qportcfg (tx) failed\n"); goto failed; } if (softc->is_asym_q) { rc = bnxt_hwrm_queue_qportcfg(softc, HWRM_QUEUE_QPORTCFG_INPUT_FLAGS_PATH_RX); if (rc) { device_printf(softc->dev, "attach: hwrm qportcfg (rx) failed\n"); return rc; } bnxt_verify_asym_queues(softc); } else { softc->rx_max_q = softc->tx_max_q; memcpy(softc->rx_q_info, softc->tx_q_info, sizeof(softc->rx_q_info)); memcpy(softc->rx_q_ids, softc->tx_q_ids, sizeof(softc->rx_q_ids)); } /* Get the HW capabilities */ rc = bnxt_hwrm_func_qcaps(softc); if (rc) goto failed; /* * Register the driver with the FW * Register the async events with the FW */ rc = bnxt_drv_rgtr(softc); if (rc) goto failed; if (softc->hwrm_spec_code >= 0x10803) { rc = bnxt_alloc_ctx_mem(softc); if (rc) { device_printf(softc->dev, "attach: alloc_ctx_mem failed\n"); return rc; } rc = bnxt_hwrm_func_resc_qcaps(softc, true); if (!rc) softc->flags |= BNXT_FLAG_FW_CAP_NEW_RM; } /* Get the current configuration of this function */ rc = bnxt_hwrm_func_qcfg(softc); if (rc) { device_printf(softc->dev, "attach: hwrm func qcfg failed\n"); goto failed; } iflib_set_mac(ctx, softc->func.mac_addr); scctx->isc_txrx = &bnxt_txrx; scctx->isc_tx_csum_flags = (CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_TCP_IPV6 | CSUM_UDP_IPV6 | CSUM_TSO); scctx->isc_capabilities = scctx->isc_capenable = /* These are translated to hwassit bits */ IFCAP_TXCSUM | IFCAP_TXCSUM_IPV6 | IFCAP_TSO4 | IFCAP_TSO6 | /* These are checked by iflib */ IFCAP_LRO | IFCAP_VLAN_HWFILTER | /* These are part of the iflib mask */ IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6 | IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWTSO | /* These likely get lost... */ IFCAP_VLAN_HWCSUM | IFCAP_JUMBO_MTU; if (bnxt_wol_supported(softc)) scctx->isc_capabilities |= IFCAP_WOL_MAGIC; bnxt_get_wol_settings(softc); if (softc->wol) scctx->isc_capenable |= IFCAP_WOL_MAGIC; /* Get the queue config */ bnxt_get_wol_settings(softc); if (BNXT_CHIP_P5(softc)) bnxt_hwrm_reserve_pf_rings(softc); rc = bnxt_hwrm_func_qcfg(softc); if (rc) { device_printf(softc->dev, "attach: hwrm func qcfg failed\n"); goto failed; } bnxt_clear_ids(softc); if (rc) goto failed; /* Now set up iflib sc */ scctx->isc_tx_nsegments = 31, scctx->isc_tx_tso_segments_max = 31; scctx->isc_tx_tso_size_max = BNXT_TSO_SIZE; scctx->isc_tx_tso_segsize_max = BNXT_TSO_SIZE; scctx->isc_vectors = softc->func.max_cp_rings; scctx->isc_min_frame_size = BNXT_MIN_FRAME_SIZE; scctx->isc_txrx = &bnxt_txrx; if (scctx->isc_nrxd[0] < ((scctx->isc_nrxd[1] * 4) + scctx->isc_nrxd[2])) device_printf(softc->dev, "WARNING: nrxd0 (%d) should be at least 4 * nrxd1 (%d) + nrxd2 (%d). Driver may be unstable\n", scctx->isc_nrxd[0], scctx->isc_nrxd[1], scctx->isc_nrxd[2]); if (scctx->isc_ntxd[0] < scctx->isc_ntxd[1] * 2) device_printf(softc->dev, "WARNING: ntxd0 (%d) should be at least 2 * ntxd1 (%d). Driver may be unstable\n", scctx->isc_ntxd[0], scctx->isc_ntxd[1]); scctx->isc_txqsizes[0] = sizeof(struct cmpl_base) * scctx->isc_ntxd[0]; scctx->isc_txqsizes[1] = sizeof(struct tx_bd_short) * scctx->isc_ntxd[1]; scctx->isc_txqsizes[2] = sizeof(struct cmpl_base) * scctx->isc_ntxd[2]; scctx->isc_rxqsizes[0] = sizeof(struct cmpl_base) * scctx->isc_nrxd[0]; scctx->isc_rxqsizes[1] = sizeof(struct rx_prod_pkt_bd) * scctx->isc_nrxd[1]; scctx->isc_rxqsizes[2] = sizeof(struct rx_prod_pkt_bd) * scctx->isc_nrxd[2]; scctx->isc_nrxqsets_max = min(pci_msix_count(softc->dev)-1, softc->fn_qcfg.alloc_completion_rings - 1); scctx->isc_nrxqsets_max = min(scctx->isc_nrxqsets_max, softc->fn_qcfg.alloc_rx_rings); scctx->isc_nrxqsets_max = min(scctx->isc_nrxqsets_max, softc->fn_qcfg.alloc_vnics); scctx->isc_ntxqsets_max = min(softc->fn_qcfg.alloc_tx_rings, softc->fn_qcfg.alloc_completion_rings - scctx->isc_nrxqsets_max - 1); scctx->isc_rss_table_size = HW_HASH_INDEX_SIZE; scctx->isc_rss_table_mask = scctx->isc_rss_table_size - 1; /* iflib will map and release this bar */ scctx->isc_msix_bar = pci_msix_table_bar(softc->dev); /* * Default settings for HW LRO (TPA): * Disable HW LRO by default * Can be enabled after taking care of 'packet forwarding' */ if (softc->flags & BNXT_FLAG_TPA) { softc->hw_lro.enable = 0; softc->hw_lro.is_mode_gro = 0; softc->hw_lro.max_agg_segs = 5; /* 2^5 = 32 segs */ softc->hw_lro.max_aggs = HWRM_VNIC_TPA_CFG_INPUT_MAX_AGGS_MAX; softc->hw_lro.min_agg_len = 512; } /* Allocate the default completion ring */ softc->def_cp_ring.stats_ctx_id = HWRM_NA_SIGNATURE; softc->def_cp_ring.ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE; softc->def_cp_ring.ring.softc = softc; softc->def_cp_ring.ring.id = 0; softc->def_cp_ring.ring.doorbell = (BNXT_CHIP_P5(softc)) ? DB_PF_OFFSET_P5 : softc->def_cp_ring.ring.id * 0x80; softc->def_cp_ring.ring.ring_size = PAGE_SIZE / sizeof(struct cmpl_base); rc = iflib_dma_alloc(ctx, sizeof(struct cmpl_base) * softc->def_cp_ring.ring.ring_size, &softc->def_cp_ring_mem, 0); softc->def_cp_ring.ring.vaddr = softc->def_cp_ring_mem.idi_vaddr; softc->def_cp_ring.ring.paddr = softc->def_cp_ring_mem.idi_paddr; - iflib_config_gtask_init(ctx, &softc->def_cp_task, bnxt_def_cp_task, - "dflt_cp"); + iflib_config_task_init(ctx, &softc->def_cp_task, bnxt_def_cp_task); rc = bnxt_init_sysctl_ctx(softc); if (rc) goto init_sysctl_failed; if (BNXT_PF(softc)) { rc = bnxt_create_nvram_sysctls(softc->nvm_info); if (rc) goto failed; } arc4rand(softc->vnic_info.rss_hash_key, HW_HASH_KEY_SIZE, 0); softc->vnic_info.rss_hash_type = HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV4 | HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV4 | HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV4 | HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV6 | HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV6 | HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV6; rc = bnxt_create_config_sysctls_pre(softc); if (rc) goto failed; rc = bnxt_create_hw_lro_sysctls(softc); if (rc) goto failed; rc = bnxt_create_pause_fc_sysctls(softc); if (rc) goto failed; rc = bnxt_create_dcb_sysctls(softc); if (rc) goto failed; set_bit(BNXT_STATE_OPEN, &softc->state); INIT_WORK(&softc->sp_task, bnxt_sp_task); INIT_DELAYED_WORK(&softc->fw_reset_task, bnxt_fw_reset_task); /* Initialize the vlan list */ SLIST_INIT(&softc->vnic_info.vlan_tags); softc->vnic_info.vlan_tag_list.idi_vaddr = NULL; softc->state_bv = bit_alloc(BNXT_STATE_MAX, M_DEVBUF, M_WAITOK|M_ZERO); return (rc); failed: bnxt_free_sysctl_ctx(softc); init_sysctl_failed: bnxt_hwrm_func_drv_unrgtr(softc, false); if (BNXT_PF(softc)) free(softc->nvm_info, M_DEVBUF); nvm_alloc_fail: bnxt_free_hwrm_short_cmd_req(softc); hwrm_short_cmd_alloc_fail: ver_fail: free(softc->ver_info, M_DEVBUF); ver_alloc_fail: bnxt_free_hwrm_dma_mem(softc); dma_fail: BNXT_HWRM_LOCK_DESTROY(softc); if (softc->pdev) linux_pci_detach_device(softc->pdev); pci_attach_fail: kfree(softc->pdev); softc->pdev = NULL; free_pci_map: bnxt_pci_mapping_free(softc); pci_map_fail: pci_disable_busmaster(softc->dev); return (rc); } static int bnxt_attach_post(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); if_t ifp = iflib_get_ifp(ctx); int rc; softc->ifp = ifp; bnxt_create_config_sysctls_post(softc); /* Update link state etc... */ rc = bnxt_probe_phy(softc); if (rc) goto failed; /* Needs to be done after probing the phy */ bnxt_create_ver_sysctls(softc); ifmedia_removeall(softc->media); bnxt_add_media_types(softc); ifmedia_set(softc->media, IFM_ETHER | IFM_AUTO); softc->scctx->isc_max_frame_size = if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN; softc->rx_buf_size = min(softc->scctx->isc_max_frame_size, BNXT_PAGE_SIZE); bnxt_dcb_init(softc); bnxt_rdma_aux_device_init(softc); failed: return rc; } static int bnxt_detach(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); struct bnxt_vlan_tag *tag; struct bnxt_vlan_tag *tmp; int i; bnxt_rdma_aux_device_uninit(softc); cancel_delayed_work_sync(&softc->fw_reset_task); cancel_work_sync(&softc->sp_task); bnxt_dcb_free(softc); SLIST_REMOVE(&pf_list, &softc->list, bnxt_softc_list, next); bnxt_num_pfs--; bnxt_wol_config(ctx); bnxt_do_disable_intr(&softc->def_cp_ring); bnxt_free_sysctl_ctx(softc); bnxt_hwrm_func_reset(softc); bnxt_free_ctx_mem(softc); bnxt_clear_ids(softc); iflib_irq_free(ctx, &softc->def_cp_ring.irq); - iflib_config_gtask_deinit(&softc->def_cp_task); /* We need to free() these here... */ for (i = softc->nrxqsets-1; i>=0; i--) { if (BNXT_CHIP_P5(softc)) iflib_irq_free(ctx, &softc->nq_rings[i].irq); else iflib_irq_free(ctx, &softc->rx_cp_rings[i].irq); } iflib_dma_free(&softc->vnic_info.mc_list); iflib_dma_free(&softc->vnic_info.rss_hash_key_tbl); iflib_dma_free(&softc->vnic_info.rss_grp_tbl); if (softc->vnic_info.vlan_tag_list.idi_vaddr) iflib_dma_free(&softc->vnic_info.vlan_tag_list); SLIST_FOREACH_SAFE(tag, &softc->vnic_info.vlan_tags, next, tmp) free(tag, M_DEVBUF); iflib_dma_free(&softc->def_cp_ring_mem); for (i = 0; i < softc->nrxqsets; i++) free(softc->rx_rings[i].tpa_start, M_DEVBUF); free(softc->ver_info, M_DEVBUF); if (BNXT_PF(softc)) free(softc->nvm_info, M_DEVBUF); bnxt_hwrm_func_drv_unrgtr(softc, false); bnxt_free_hwrm_dma_mem(softc); bnxt_free_hwrm_short_cmd_req(softc); BNXT_HWRM_LOCK_DESTROY(softc); if (!bnxt_num_pfs && bnxt_pf_wq) destroy_workqueue(bnxt_pf_wq); if (softc->pdev) linux_pci_detach_device(softc->pdev); free(softc->state_bv, M_DEVBUF); pci_disable_busmaster(softc->dev); bnxt_pci_mapping_free(softc); return 0; } static void bnxt_hwrm_resource_free(struct bnxt_softc *softc) { int i, rc = 0; rc = bnxt_hwrm_ring_free(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL, &softc->def_cp_ring.ring, (uint16_t)HWRM_NA_SIGNATURE); if (rc) goto fail; for (i = 0; i < softc->ntxqsets; i++) { rc = bnxt_hwrm_ring_free(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_TX, &softc->tx_rings[i], softc->tx_cp_rings[i].ring.phys_id); if (rc) goto fail; rc = bnxt_hwrm_ring_free(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL, &softc->tx_cp_rings[i].ring, (uint16_t)HWRM_NA_SIGNATURE); if (rc) goto fail; rc = bnxt_hwrm_stat_ctx_free(softc, &softc->tx_cp_rings[i]); if (rc) goto fail; } rc = bnxt_hwrm_free_filter(softc); if (rc) goto fail; rc = bnxt_hwrm_vnic_free(softc, &softc->vnic_info); if (rc) goto fail; rc = bnxt_hwrm_vnic_ctx_free(softc, softc->vnic_info.rss_id); if (rc) goto fail; for (i = 0; i < softc->nrxqsets; i++) { rc = bnxt_hwrm_ring_grp_free(softc, &softc->grp_info[i]); if (rc) goto fail; rc = bnxt_hwrm_ring_free(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_RX_AGG, &softc->ag_rings[i], (uint16_t)HWRM_NA_SIGNATURE); if (rc) goto fail; rc = bnxt_hwrm_ring_free(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_RX, &softc->rx_rings[i], softc->rx_cp_rings[i].ring.phys_id); if (rc) goto fail; rc = bnxt_hwrm_ring_free(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL, &softc->rx_cp_rings[i].ring, (uint16_t)HWRM_NA_SIGNATURE); if (rc) goto fail; if (BNXT_CHIP_P5(softc)) { rc = bnxt_hwrm_ring_free(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_NQ, &softc->nq_rings[i].ring, (uint16_t)HWRM_NA_SIGNATURE); if (rc) goto fail; } rc = bnxt_hwrm_stat_ctx_free(softc, &softc->rx_cp_rings[i]); if (rc) goto fail; } fail: return; } static void bnxt_func_reset(struct bnxt_softc *softc) { if (!BNXT_CHIP_P5(softc)) { bnxt_hwrm_func_reset(softc); return; } bnxt_hwrm_resource_free(softc); return; } static void bnxt_rss_grp_tbl_init(struct bnxt_softc *softc) { uint16_t *rgt = (uint16_t *) softc->vnic_info.rss_grp_tbl.idi_vaddr; int i, j; for (i = 0, j = 0; i < HW_HASH_INDEX_SIZE; i++) { if (BNXT_CHIP_P5(softc)) { rgt[i++] = htole16(softc->rx_rings[j].phys_id); rgt[i] = htole16(softc->rx_cp_rings[j].ring.phys_id); } else { rgt[i] = htole16(softc->grp_info[j].grp_id); } if (++j == softc->nrxqsets) j = 0; } } static void bnxt_get_port_module_status(struct bnxt_softc *softc) { struct bnxt_link_info *link_info = &softc->link_info; struct hwrm_port_phy_qcfg_output *resp = &link_info->phy_qcfg_resp; uint8_t module_status; if (bnxt_update_link(softc, false)) return; module_status = link_info->module_status; switch (module_status) { case HWRM_PORT_PHY_QCFG_OUTPUT_MODULE_STATUS_DISABLETX: case HWRM_PORT_PHY_QCFG_OUTPUT_MODULE_STATUS_PWRDOWN: case HWRM_PORT_PHY_QCFG_OUTPUT_MODULE_STATUS_WARNINGMSG: device_printf(softc->dev, "Unqualified SFP+ module detected on port %d\n", softc->pf.port_id); if (softc->hwrm_spec_code >= 0x10201) { device_printf(softc->dev, "Module part number %s\n", resp->phy_vendor_partnumber); } if (module_status == HWRM_PORT_PHY_QCFG_OUTPUT_MODULE_STATUS_DISABLETX) device_printf(softc->dev, "TX is disabled\n"); if (module_status == HWRM_PORT_PHY_QCFG_OUTPUT_MODULE_STATUS_PWRDOWN) device_printf(softc->dev, "SFP+ module is shutdown\n"); } } static void bnxt_aux_dev_free(struct bnxt_softc *softc) { kfree(softc->aux_dev); softc->aux_dev = NULL; } static struct bnxt_aux_dev *bnxt_aux_dev_init(struct bnxt_softc *softc) { struct bnxt_aux_dev *bnxt_adev; msleep(1000 * 2); bnxt_adev = kzalloc(sizeof(*bnxt_adev), GFP_KERNEL); if (!bnxt_adev) return ERR_PTR(-ENOMEM); return bnxt_adev; } static void bnxt_rdma_aux_device_uninit(struct bnxt_softc *softc) { struct bnxt_aux_dev *bnxt_adev = softc->aux_dev; /* Skip if no auxiliary device init was done. */ if (!(softc->flags & BNXT_FLAG_ROCE_CAP)) return; if (IS_ERR_OR_NULL(bnxt_adev)) return; bnxt_rdma_aux_device_del(softc); if (bnxt_adev->id >= 0) ida_free(&bnxt_aux_dev_ids, bnxt_adev->id); bnxt_aux_dev_free(softc); } static void bnxt_rdma_aux_device_init(struct bnxt_softc *softc) { int rc; if (!(softc->flags & BNXT_FLAG_ROCE_CAP)) return; softc->aux_dev = bnxt_aux_dev_init(softc); if (IS_ERR_OR_NULL(softc->aux_dev)) { device_printf(softc->dev, "Failed to init auxiliary device for ROCE\n"); goto skip_aux_init; } softc->aux_dev->id = ida_alloc(&bnxt_aux_dev_ids, GFP_KERNEL); if (softc->aux_dev->id < 0) { device_printf(softc->dev, "ida alloc failed for ROCE auxiliary device\n"); bnxt_aux_dev_free(softc); goto skip_aux_init; } msleep(1000 * 2); /* If aux bus init fails, continue with netdev init. */ rc = bnxt_rdma_aux_device_add(softc); if (rc) { device_printf(softc->dev, "Failed to add auxiliary device for ROCE\n"); msleep(1000 * 2); ida_free(&bnxt_aux_dev_ids, softc->aux_dev->id); } device_printf(softc->dev, "%s:%d Added auxiliary device (id %d) for ROCE \n", __func__, __LINE__, softc->aux_dev->id); skip_aux_init: return; } /* Device configuration */ static void bnxt_init(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); struct ifmediareq ifmr; int i; int rc; if (!BNXT_CHIP_P5(softc)) { rc = bnxt_hwrm_func_reset(softc); if (rc) return; } else if (softc->is_dev_init) { bnxt_stop(ctx); } softc->is_dev_init = true; bnxt_clear_ids(softc); if (BNXT_CHIP_P5(softc)) goto skip_def_cp_ring; /* Allocate the default completion ring */ softc->def_cp_ring.cons = UINT32_MAX; softc->def_cp_ring.v_bit = 1; bnxt_mark_cpr_invalid(&softc->def_cp_ring); rc = bnxt_hwrm_ring_alloc(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL, &softc->def_cp_ring.ring); if (rc) goto fail; skip_def_cp_ring: for (i = 0; i < softc->nrxqsets; i++) { /* Allocate the statistics context */ rc = bnxt_hwrm_stat_ctx_alloc(softc, &softc->rx_cp_rings[i], softc->rx_stats[i].idi_paddr); if (rc) goto fail; if (BNXT_CHIP_P5(softc)) { /* Allocate the NQ */ softc->nq_rings[i].cons = 0; softc->nq_rings[i].v_bit = 1; softc->nq_rings[i].last_idx = UINT32_MAX; bnxt_mark_cpr_invalid(&softc->nq_rings[i]); rc = bnxt_hwrm_ring_alloc(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_NQ, &softc->nq_rings[i].ring); if (rc) goto fail; softc->db_ops.bnxt_db_nq(&softc->nq_rings[i], 1); } /* Allocate the completion ring */ softc->rx_cp_rings[i].cons = UINT32_MAX; softc->rx_cp_rings[i].v_bit = 1; softc->rx_cp_rings[i].last_idx = UINT32_MAX; bnxt_mark_cpr_invalid(&softc->rx_cp_rings[i]); rc = bnxt_hwrm_ring_alloc(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL, &softc->rx_cp_rings[i].ring); if (rc) goto fail; if (BNXT_CHIP_P5(softc)) softc->db_ops.bnxt_db_rx_cq(&softc->rx_cp_rings[i], 1); /* Allocate the RX ring */ rc = bnxt_hwrm_ring_alloc(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_RX, &softc->rx_rings[i]); if (rc) goto fail; softc->db_ops.bnxt_db_rx(&softc->rx_rings[i], 0); /* Allocate the AG ring */ rc = bnxt_hwrm_ring_alloc(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_RX_AGG, &softc->ag_rings[i]); if (rc) goto fail; softc->db_ops.bnxt_db_rx(&softc->ag_rings[i], 0); /* Allocate the ring group */ softc->grp_info[i].stats_ctx = softc->rx_cp_rings[i].stats_ctx_id; softc->grp_info[i].rx_ring_id = softc->rx_rings[i].phys_id; softc->grp_info[i].ag_ring_id = softc->ag_rings[i].phys_id; softc->grp_info[i].cp_ring_id = softc->rx_cp_rings[i].ring.phys_id; rc = bnxt_hwrm_ring_grp_alloc(softc, &softc->grp_info[i]); if (rc) goto fail; } /* And now set the default CP / NQ ring for the async */ rc = bnxt_cfg_async_cr(softc); if (rc) goto fail; /* Allocate the VNIC RSS context */ rc = bnxt_hwrm_vnic_ctx_alloc(softc, &softc->vnic_info.rss_id); if (rc) goto fail; /* Allocate the vnic */ softc->vnic_info.def_ring_grp = softc->grp_info[0].grp_id; softc->vnic_info.mru = softc->scctx->isc_max_frame_size; rc = bnxt_hwrm_vnic_alloc(softc, &softc->vnic_info); if (rc) goto fail; rc = bnxt_hwrm_vnic_cfg(softc, &softc->vnic_info); if (rc) goto fail; rc = bnxt_hwrm_vnic_set_hds(softc, &softc->vnic_info); if (rc) goto fail; rc = bnxt_hwrm_set_filter(softc); if (rc) goto fail; bnxt_rss_grp_tbl_init(softc); rc = bnxt_hwrm_rss_cfg(softc, &softc->vnic_info, softc->vnic_info.rss_hash_type); if (rc) goto fail; rc = bnxt_hwrm_vnic_tpa_cfg(softc); if (rc) goto fail; for (i = 0; i < softc->ntxqsets; i++) { /* Allocate the statistics context */ rc = bnxt_hwrm_stat_ctx_alloc(softc, &softc->tx_cp_rings[i], softc->tx_stats[i].idi_paddr); if (rc) goto fail; /* Allocate the completion ring */ softc->tx_cp_rings[i].cons = UINT32_MAX; softc->tx_cp_rings[i].v_bit = 1; bnxt_mark_cpr_invalid(&softc->tx_cp_rings[i]); rc = bnxt_hwrm_ring_alloc(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL, &softc->tx_cp_rings[i].ring); if (rc) goto fail; if (BNXT_CHIP_P5(softc)) softc->db_ops.bnxt_db_tx_cq(&softc->tx_cp_rings[i], 1); /* Allocate the TX ring */ rc = bnxt_hwrm_ring_alloc(softc, HWRM_RING_ALLOC_INPUT_RING_TYPE_TX, &softc->tx_rings[i]); if (rc) goto fail; softc->db_ops.bnxt_db_tx(&softc->tx_rings[i], 0); } bnxt_do_enable_intr(&softc->def_cp_ring); bnxt_get_port_module_status(softc); bnxt_media_status(softc->ctx, &ifmr); bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info); return; fail: bnxt_func_reset(softc); bnxt_clear_ids(softc); return; } static void bnxt_stop(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); softc->is_dev_init = false; bnxt_do_disable_intr(&softc->def_cp_ring); bnxt_func_reset(softc); bnxt_clear_ids(softc); return; } static u_int bnxt_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt) { uint8_t *mta = arg; if (cnt == BNXT_MAX_MC_ADDRS) return (1); bcopy(LLADDR(sdl), &mta[cnt * ETHER_ADDR_LEN], ETHER_ADDR_LEN); return (1); } static void bnxt_multi_set(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); if_t ifp = iflib_get_ifp(ctx); uint8_t *mta; int mcnt; mta = softc->vnic_info.mc_list.idi_vaddr; bzero(mta, softc->vnic_info.mc_list.idi_size); mcnt = if_foreach_llmaddr(ifp, bnxt_copy_maddr, mta); if (mcnt > BNXT_MAX_MC_ADDRS) { softc->vnic_info.rx_mask |= HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST; bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info); } else { softc->vnic_info.rx_mask &= ~HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST; bus_dmamap_sync(softc->vnic_info.mc_list.idi_tag, softc->vnic_info.mc_list.idi_map, BUS_DMASYNC_PREWRITE); softc->vnic_info.mc_list_count = mcnt; softc->vnic_info.rx_mask |= HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_MCAST; if (bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info)) device_printf(softc->dev, "set_multi: rx_mask set failed\n"); } } static int bnxt_mtu_set(if_ctx_t ctx, uint32_t mtu) { struct bnxt_softc *softc = iflib_get_softc(ctx); if (mtu > BNXT_MAX_MTU) return EINVAL; softc->scctx->isc_max_frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; softc->rx_buf_size = min(softc->scctx->isc_max_frame_size, BNXT_PAGE_SIZE); return 0; } static void bnxt_media_status(if_ctx_t ctx, struct ifmediareq * ifmr) { struct bnxt_softc *softc = iflib_get_softc(ctx); struct bnxt_link_info *link_info = &softc->link_info; struct ifmedia_entry *next; uint64_t target_baudrate = bnxt_get_baudrate(link_info); int active_media = IFM_UNKNOWN; bnxt_update_link(softc, true); ifmr->ifm_status = IFM_AVALID; ifmr->ifm_active = IFM_ETHER; if (link_info->link_up) ifmr->ifm_status |= IFM_ACTIVE; else ifmr->ifm_status &= ~IFM_ACTIVE; if (link_info->duplex == HWRM_PORT_PHY_QCFG_OUTPUT_DUPLEX_CFG_FULL) ifmr->ifm_active |= IFM_FDX; else ifmr->ifm_active |= IFM_HDX; /* * Go through the list of supported media which got prepared * as part of bnxt_add_media_types() using api ifmedia_add(). */ LIST_FOREACH(next, &(iflib_get_media(ctx)->ifm_list), ifm_list) { if (ifmedia_baudrate(next->ifm_media) == target_baudrate) { active_media = next->ifm_media; break; } } ifmr->ifm_active |= active_media; if (link_info->flow_ctrl.rx) ifmr->ifm_active |= IFM_ETH_RXPAUSE; if (link_info->flow_ctrl.tx) ifmr->ifm_active |= IFM_ETH_TXPAUSE; bnxt_report_link(softc); return; } static int bnxt_media_change(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); struct ifmedia *ifm = iflib_get_media(ctx); struct ifmediareq ifmr; int rc; if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) return EINVAL; softc->link_info.req_signal_mode = HWRM_PORT_PHY_QCFG_OUTPUT_SIGNAL_MODE_PAM4; switch (IFM_SUBTYPE(ifm->ifm_media)) { case IFM_100_T: softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED; softc->link_info.req_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_100MB; break; case IFM_1000_KX: case IFM_1000_SGMII: case IFM_1000_CX: case IFM_1000_SX: case IFM_1000_LX: softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED; softc->link_info.req_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_1GB; break; case IFM_2500_KX: case IFM_2500_T: softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED; softc->link_info.req_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_2_5GB; break; case IFM_10G_CR1: case IFM_10G_KR: case IFM_10G_LR: case IFM_10G_SR: softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED; softc->link_info.req_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_10GB; break; case IFM_20G_KR2: softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED; softc->link_info.req_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_20GB; break; case IFM_25G_CR: case IFM_25G_KR: case IFM_25G_SR: softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED; softc->link_info.req_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_25GB; break; case IFM_40G_CR4: case IFM_40G_KR4: case IFM_40G_LR4: case IFM_40G_SR4: case IFM_40G_XLAUI: case IFM_40G_XLAUI_AC: softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED; softc->link_info.req_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_40GB; break; case IFM_50G_CR2: case IFM_50G_KR2: case IFM_50G_SR2: softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED; softc->link_info.req_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_50GB; break; case IFM_50G_CP: case IFM_50G_LR: case IFM_50G_SR: case IFM_50G_KR_PAM4: softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED; softc->link_info.req_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_PAM4_LINK_SPEED_50GB; softc->link_info.req_signal_mode = HWRM_PORT_PHY_QCFG_OUTPUT_SIGNAL_MODE_PAM4; softc->link_info.force_pam4_speed_set_by_user = true; break; case IFM_100G_CR4: case IFM_100G_KR4: case IFM_100G_LR4: case IFM_100G_SR4: softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED; softc->link_info.req_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_100GB; break; case IFM_100G_CP2: case IFM_100G_SR2: case IFM_100G_KR_PAM4: case IFM_100G_KR2_PAM4: softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED; softc->link_info.req_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_PAM4_LINK_SPEED_100GB; softc->link_info.req_signal_mode = HWRM_PORT_PHY_QCFG_OUTPUT_SIGNAL_MODE_PAM4; softc->link_info.force_pam4_speed_set_by_user = true; break; case IFM_200G_SR4: case IFM_200G_FR4: case IFM_200G_LR4: case IFM_200G_DR4: case IFM_200G_CR4_PAM4: case IFM_200G_KR4_PAM4: softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED; softc->link_info.req_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_PAM4_LINK_SPEED_200GB; softc->link_info.force_pam4_speed_set_by_user = true; softc->link_info.req_signal_mode = HWRM_PORT_PHY_QCFG_OUTPUT_SIGNAL_MODE_PAM4; break; case IFM_1000_T: softc->link_info.advertising = HWRM_PORT_PHY_CFG_INPUT_AUTO_LINK_SPEED_MASK_1GB; softc->link_info.autoneg |= BNXT_AUTONEG_SPEED; break; case IFM_10G_T: softc->link_info.advertising = HWRM_PORT_PHY_CFG_INPUT_AUTO_LINK_SPEED_MASK_10GB; softc->link_info.autoneg |= BNXT_AUTONEG_SPEED; break; default: device_printf(softc->dev, "Unsupported media type! Using auto\n"); /* Fall-through */ case IFM_AUTO: // Auto softc->link_info.autoneg |= BNXT_AUTONEG_SPEED; break; } rc = bnxt_hwrm_set_link_setting(softc, true, true, true); bnxt_media_status(softc->ctx, &ifmr); return rc; } static int bnxt_promisc_set(if_ctx_t ctx, int flags) { struct bnxt_softc *softc = iflib_get_softc(ctx); if_t ifp = iflib_get_ifp(ctx); int rc; if (if_getflags(ifp) & IFF_ALLMULTI || if_llmaddr_count(ifp) > BNXT_MAX_MC_ADDRS) softc->vnic_info.rx_mask |= HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST; else softc->vnic_info.rx_mask &= ~HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST; if (if_getflags(ifp) & IFF_PROMISC) softc->vnic_info.rx_mask |= HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_PROMISCUOUS | HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN; else softc->vnic_info.rx_mask &= ~(HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_PROMISCUOUS); rc = bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info); return rc; } static uint64_t bnxt_get_counter(if_ctx_t ctx, ift_counter cnt) { if_t ifp = iflib_get_ifp(ctx); if (cnt < IFCOUNTERS) return if_get_counter_default(ifp, cnt); return 0; } static void bnxt_update_admin_status(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); /* * When SR-IOV is enabled, avoid each VF sending this HWRM * request every sec with which firmware timeouts can happen */ if (!BNXT_PF(softc)) return; bnxt_hwrm_port_qstats(softc); if (BNXT_CHIP_P5(softc) && (softc->flags & BNXT_FLAG_FW_CAP_EXT_STATS)) bnxt_hwrm_port_qstats_ext(softc); if (BNXT_CHIP_P5(softc)) { struct ifmediareq ifmr; if (bit_test(softc->state_bv, BNXT_STATE_LINK_CHANGE)) { bit_clear(softc->state_bv, BNXT_STATE_LINK_CHANGE); bnxt_media_status(softc->ctx, &ifmr); } } return; } static void bnxt_if_timer(if_ctx_t ctx, uint16_t qid) { struct bnxt_softc *softc = iflib_get_softc(ctx); uint64_t ticks_now = ticks; /* Schedule bnxt_update_admin_status() once per sec */ if (ticks_now - softc->admin_ticks >= hz) { softc->admin_ticks = ticks_now; iflib_admin_intr_deferred(ctx); } return; } static void inline bnxt_do_enable_intr(struct bnxt_cp_ring *cpr) { struct bnxt_softc *softc = cpr->ring.softc; if (cpr->ring.phys_id == (uint16_t)HWRM_NA_SIGNATURE) return; if (BNXT_CHIP_P5(softc)) softc->db_ops.bnxt_db_nq(cpr, 1); else softc->db_ops.bnxt_db_rx_cq(cpr, 1); } static void inline bnxt_do_disable_intr(struct bnxt_cp_ring *cpr) { struct bnxt_softc *softc = cpr->ring.softc; if (cpr->ring.phys_id == (uint16_t)HWRM_NA_SIGNATURE) return; if (BNXT_CHIP_P5(softc)) softc->db_ops.bnxt_db_nq(cpr, 0); else softc->db_ops.bnxt_db_rx_cq(cpr, 0); } /* Enable all interrupts */ static void bnxt_intr_enable(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); int i; bnxt_do_enable_intr(&softc->def_cp_ring); for (i = 0; i < softc->nrxqsets; i++) if (BNXT_CHIP_P5(softc)) softc->db_ops.bnxt_db_nq(&softc->nq_rings[i], 1); else softc->db_ops.bnxt_db_rx_cq(&softc->rx_cp_rings[i], 1); return; } /* Enable interrupt for a single queue */ static int bnxt_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid) { struct bnxt_softc *softc = iflib_get_softc(ctx); if (BNXT_CHIP_P5(softc)) softc->db_ops.bnxt_db_nq(&softc->nq_rings[qid], 1); else softc->db_ops.bnxt_db_rx_cq(&softc->tx_cp_rings[qid], 1); return 0; } static void bnxt_process_cmd_cmpl(struct bnxt_softc *softc, hwrm_cmpl_t *cmd_cmpl) { device_printf(softc->dev, "cmd sequence number %d\n", cmd_cmpl->sequence_id); return; } static void bnxt_process_async_msg(struct bnxt_cp_ring *cpr, tx_cmpl_t *cmpl) { struct bnxt_softc *softc = cpr->ring.softc; uint16_t type = cmpl->flags_type & TX_CMPL_TYPE_MASK; switch (type) { case HWRM_CMPL_TYPE_HWRM_DONE: bnxt_process_cmd_cmpl(softc, (hwrm_cmpl_t *)cmpl); break; case HWRM_ASYNC_EVENT_CMPL_TYPE_HWRM_ASYNC_EVENT: bnxt_handle_async_event(softc, (cmpl_base_t *) cmpl); break; default: device_printf(softc->dev, "%s:%d Unhandled async message %x\n", __FUNCTION__, __LINE__, type); break; } } void process_nq(struct bnxt_softc *softc, uint16_t nqid) { struct bnxt_cp_ring *cpr = &softc->nq_rings[nqid]; nq_cn_t *cmp = (nq_cn_t *) cpr->ring.vaddr; bool v_bit = cpr->v_bit; uint32_t cons = cpr->cons; uint16_t nq_type, nqe_cnt = 0; while (1) { if (!NQ_VALID(&cmp[cons], v_bit)) goto done; nq_type = NQ_CN_TYPE_MASK & cmp[cons].type; if (nq_type != NQ_CN_TYPE_CQ_NOTIFICATION) bnxt_process_async_msg(cpr, (tx_cmpl_t *)&cmp[cons]); NEXT_CP_CONS_V(&cpr->ring, cons, v_bit); nqe_cnt++; } done: if (nqe_cnt) { cpr->cons = cons; cpr->v_bit = v_bit; } } static int bnxt_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid) { struct bnxt_softc *softc = iflib_get_softc(ctx); if (BNXT_CHIP_P5(softc)) { process_nq(softc, qid); softc->db_ops.bnxt_db_nq(&softc->nq_rings[qid], 1); } softc->db_ops.bnxt_db_rx_cq(&softc->rx_cp_rings[qid], 1); return 0; } /* Disable all interrupts */ static void bnxt_disable_intr(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); int i; /* * NOTE: These TX interrupts should never get enabled, so don't * update the index */ for (i = 0; i < softc->nrxqsets; i++) if (BNXT_CHIP_P5(softc)) softc->db_ops.bnxt_db_nq(&softc->nq_rings[i], 0); else softc->db_ops.bnxt_db_rx_cq(&softc->rx_cp_rings[i], 0); return; } static int bnxt_msix_intr_assign(if_ctx_t ctx, int msix) { struct bnxt_softc *softc = iflib_get_softc(ctx); struct bnxt_cp_ring *ring; struct if_irq *irq; uint16_t id; int rc; int i; char irq_name[16]; if (BNXT_CHIP_P5(softc)) goto skip_default_cp; rc = iflib_irq_alloc_generic(ctx, &softc->def_cp_ring.irq, softc->def_cp_ring.ring.id + 1, IFLIB_INTR_ADMIN, bnxt_handle_def_cp, softc, 0, "def_cp"); if (rc) { device_printf(iflib_get_dev(ctx), "Failed to register default completion ring handler\n"); return rc; } skip_default_cp: for (i=0; iscctx->isc_nrxqsets; i++) { if (BNXT_CHIP_P5(softc)) { irq = &softc->nq_rings[i].irq; id = softc->nq_rings[i].ring.id; ring = &softc->nq_rings[i]; } else { irq = &softc->rx_cp_rings[i].irq; id = softc->rx_cp_rings[i].ring.id ; ring = &softc->rx_cp_rings[i]; } snprintf(irq_name, sizeof(irq_name), "rxq%d", i); rc = iflib_irq_alloc_generic(ctx, irq, id + 1, IFLIB_INTR_RX, bnxt_handle_isr, ring, i, irq_name); if (rc) { device_printf(iflib_get_dev(ctx), "Failed to register RX completion ring handler\n"); i--; goto fail; } } for (i=0; iscctx->isc_ntxqsets; i++) iflib_softirq_alloc_generic(ctx, NULL, IFLIB_INTR_TX, NULL, i, "tx_cp"); return rc; fail: for (; i>=0; i--) iflib_irq_free(ctx, &softc->rx_cp_rings[i].irq); iflib_irq_free(ctx, &softc->def_cp_ring.irq); return rc; } /* * We're explicitly allowing duplicates here. They will need to be * removed as many times as they are added. */ static void bnxt_vlan_register(if_ctx_t ctx, uint16_t vtag) { struct bnxt_softc *softc = iflib_get_softc(ctx); struct bnxt_vlan_tag *new_tag; new_tag = malloc(sizeof(struct bnxt_vlan_tag), M_DEVBUF, M_NOWAIT); if (new_tag == NULL) return; new_tag->tag = vtag; new_tag->filter_id = -1; SLIST_INSERT_HEAD(&softc->vnic_info.vlan_tags, new_tag, next); }; static void bnxt_vlan_unregister(if_ctx_t ctx, uint16_t vtag) { struct bnxt_softc *softc = iflib_get_softc(ctx); struct bnxt_vlan_tag *vlan_tag; SLIST_FOREACH(vlan_tag, &softc->vnic_info.vlan_tags, next) { if (vlan_tag->tag == vtag) { SLIST_REMOVE(&softc->vnic_info.vlan_tags, vlan_tag, bnxt_vlan_tag, next); free(vlan_tag, M_DEVBUF); break; } } } static int bnxt_wol_config(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); if_t ifp = iflib_get_ifp(ctx); if (!softc) return -EBUSY; if (!bnxt_wol_supported(softc)) return -ENOTSUP; if (if_getcapenable(ifp) & IFCAP_WOL_MAGIC) { if (!softc->wol) { if (bnxt_hwrm_alloc_wol_fltr(softc)) return -EBUSY; softc->wol = 1; } } else { if (softc->wol) { if (bnxt_hwrm_free_wol_fltr(softc)) return -EBUSY; softc->wol = 0; } } return 0; } static bool bnxt_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event) { switch (event) { case IFLIB_RESTART_VLAN_CONFIG: default: return (false); } } static int bnxt_shutdown(if_ctx_t ctx) { bnxt_wol_config(ctx); return 0; } static int bnxt_suspend(if_ctx_t ctx) { bnxt_wol_config(ctx); return 0; } static int bnxt_resume(if_ctx_t ctx) { struct bnxt_softc *softc = iflib_get_softc(ctx); bnxt_get_wol_settings(softc); return 0; } static int bnxt_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data) { struct bnxt_softc *softc = iflib_get_softc(ctx); struct ifreq *ifr = (struct ifreq *)data; struct bnxt_ioctl_header *ioh; size_t iol; int rc = ENOTSUP; struct bnxt_ioctl_data iod_storage, *iod = &iod_storage; switch (command) { case SIOCGPRIVATE_0: if ((rc = priv_check(curthread, PRIV_DRIVER)) != 0) goto exit; ioh = ifr_buffer_get_buffer(ifr); iol = ifr_buffer_get_length(ifr); if (iol > sizeof(iod_storage)) return (EINVAL); if ((rc = copyin(ioh, iod, iol)) != 0) goto exit; switch (iod->hdr.type) { case BNXT_HWRM_NVM_FIND_DIR_ENTRY: { struct bnxt_ioctl_hwrm_nvm_find_dir_entry *find = &iod->find; rc = bnxt_hwrm_nvm_find_dir_entry(softc, find->type, &find->ordinal, find->ext, &find->index, find->use_index, find->search_opt, &find->data_length, &find->item_length, &find->fw_ver); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); } else { iod->hdr.rc = 0; rc = copyout(iod, ioh, iol); } goto exit; } case BNXT_HWRM_NVM_READ: { struct bnxt_ioctl_hwrm_nvm_read *rd = &iod->read; struct iflib_dma_info dma_data; size_t offset; size_t remain; size_t csize; /* * Some HWRM versions can't read more than 0x8000 bytes */ rc = iflib_dma_alloc(softc->ctx, min(rd->length, 0x8000), &dma_data, BUS_DMA_NOWAIT); if (rc) break; for (remain = rd->length, offset = 0; remain && offset < rd->length; offset += 0x8000) { csize = min(remain, 0x8000); rc = bnxt_hwrm_nvm_read(softc, rd->index, rd->offset + offset, csize, &dma_data); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); break; } else { rc = copyout(dma_data.idi_vaddr, rd->data + offset, csize); iod->hdr.rc = rc; } remain -= csize; } if (rc == 0) rc = copyout(iod, ioh, iol); iflib_dma_free(&dma_data); goto exit; } case BNXT_HWRM_FW_RESET: { struct bnxt_ioctl_hwrm_fw_reset *rst = &iod->reset; rc = bnxt_hwrm_fw_reset(softc, rst->processor, &rst->selfreset); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); } else { iod->hdr.rc = 0; rc = copyout(iod, ioh, iol); } goto exit; } case BNXT_HWRM_FW_QSTATUS: { struct bnxt_ioctl_hwrm_fw_qstatus *qstat = &iod->status; rc = bnxt_hwrm_fw_qstatus(softc, qstat->processor, &qstat->selfreset); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); } else { iod->hdr.rc = 0; rc = copyout(iod, ioh, iol); } goto exit; } case BNXT_HWRM_NVM_WRITE: { struct bnxt_ioctl_hwrm_nvm_write *wr = &iod->write; rc = bnxt_hwrm_nvm_write(softc, wr->data, true, wr->type, wr->ordinal, wr->ext, wr->attr, wr->option, wr->data_length, wr->keep, &wr->item_length, &wr->index); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); } else { iod->hdr.rc = 0; rc = copyout(iod, ioh, iol); } goto exit; } case BNXT_HWRM_NVM_ERASE_DIR_ENTRY: { struct bnxt_ioctl_hwrm_nvm_erase_dir_entry *erase = &iod->erase; rc = bnxt_hwrm_nvm_erase_dir_entry(softc, erase->index); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); } else { iod->hdr.rc = 0; rc = copyout(iod, ioh, iol); } goto exit; } case BNXT_HWRM_NVM_GET_DIR_INFO: { struct bnxt_ioctl_hwrm_nvm_get_dir_info *info = &iod->dir_info; rc = bnxt_hwrm_nvm_get_dir_info(softc, &info->entries, &info->entry_length); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); } else { iod->hdr.rc = 0; rc = copyout(iod, ioh, iol); } goto exit; } case BNXT_HWRM_NVM_GET_DIR_ENTRIES: { struct bnxt_ioctl_hwrm_nvm_get_dir_entries *get = &iod->dir_entries; struct iflib_dma_info dma_data; rc = iflib_dma_alloc(softc->ctx, get->max_size, &dma_data, BUS_DMA_NOWAIT); if (rc) break; rc = bnxt_hwrm_nvm_get_dir_entries(softc, &get->entries, &get->entry_length, &dma_data); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); } else { rc = copyout(dma_data.idi_vaddr, get->data, get->entry_length * get->entries); iod->hdr.rc = rc; if (rc == 0) rc = copyout(iod, ioh, iol); } iflib_dma_free(&dma_data); goto exit; } case BNXT_HWRM_NVM_VERIFY_UPDATE: { struct bnxt_ioctl_hwrm_nvm_verify_update *vrfy = &iod->verify; rc = bnxt_hwrm_nvm_verify_update(softc, vrfy->type, vrfy->ordinal, vrfy->ext); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); } else { iod->hdr.rc = 0; rc = copyout(iod, ioh, iol); } goto exit; } case BNXT_HWRM_NVM_INSTALL_UPDATE: { struct bnxt_ioctl_hwrm_nvm_install_update *inst = &iod->install; rc = bnxt_hwrm_nvm_install_update(softc, inst->install_type, &inst->installed_items, &inst->result, &inst->problem_item, &inst->reset_required); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); } else { iod->hdr.rc = 0; rc = copyout(iod, ioh, iol); } goto exit; } case BNXT_HWRM_NVM_MODIFY: { struct bnxt_ioctl_hwrm_nvm_modify *mod = &iod->modify; rc = bnxt_hwrm_nvm_modify(softc, mod->index, mod->offset, mod->data, true, mod->length); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); } else { iod->hdr.rc = 0; rc = copyout(iod, ioh, iol); } goto exit; } case BNXT_HWRM_FW_GET_TIME: { struct bnxt_ioctl_hwrm_fw_get_time *gtm = &iod->get_time; rc = bnxt_hwrm_fw_get_time(softc, >m->year, >m->month, >m->day, >m->hour, >m->minute, >m->second, >m->millisecond, >m->zone); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); } else { iod->hdr.rc = 0; rc = copyout(iod, ioh, iol); } goto exit; } case BNXT_HWRM_FW_SET_TIME: { struct bnxt_ioctl_hwrm_fw_set_time *stm = &iod->set_time; rc = bnxt_hwrm_fw_set_time(softc, stm->year, stm->month, stm->day, stm->hour, stm->minute, stm->second, stm->millisecond, stm->zone); if (rc) { iod->hdr.rc = rc; rc = copyout(&iod->hdr.rc, &ioh->rc, sizeof(ioh->rc)); } else { iod->hdr.rc = 0; rc = copyout(iod, ioh, iol); } goto exit; } } break; } exit: return rc; } static int bnxt_i2c_req(if_ctx_t ctx, struct ifi2creq *i2c) { struct bnxt_softc *softc = iflib_get_softc(ctx); uint8_t *data = i2c->data; int rc; /* No point in going further if phy status indicates * module is not inserted or if it is powered down or * if it is of type 10GBase-T */ if (softc->link_info.module_status > HWRM_PORT_PHY_QCFG_OUTPUT_MODULE_STATUS_WARNINGMSG) return -EOPNOTSUPP; /* This feature is not supported in older firmware versions */ if (!BNXT_CHIP_P5(softc) || (softc->hwrm_spec_code < 0x10202)) return -EOPNOTSUPP; rc = bnxt_read_sfp_module_eeprom_info(softc, I2C_DEV_ADDR_A0, 0, 0, 0, i2c->offset, i2c->len, data); return rc; } /* * Support functions */ static int bnxt_probe_phy(struct bnxt_softc *softc) { struct bnxt_link_info *link_info = &softc->link_info; int rc = 0; softc->phy_flags = 0; rc = bnxt_hwrm_phy_qcaps(softc); if (rc) { device_printf(softc->dev, "Probe phy can't get phy capabilities (rc: %x)\n", rc); return rc; } rc = bnxt_update_link(softc, false); if (rc) { device_printf(softc->dev, "Probe phy can't update link (rc: %x)\n", rc); return (rc); } bnxt_get_port_module_status(softc); /*initialize the ethool setting copy with NVM settings */ if (link_info->auto_mode != HWRM_PORT_PHY_QCFG_OUTPUT_AUTO_MODE_NONE) link_info->autoneg |= BNXT_AUTONEG_SPEED; link_info->req_duplex = link_info->duplex_setting; /* NRZ link speed */ if (link_info->autoneg & BNXT_AUTONEG_SPEED) link_info->req_link_speed = link_info->auto_link_speeds; else link_info->req_link_speed = link_info->force_link_speed; /* PAM4 link speed */ if (link_info->auto_pam4_link_speeds) link_info->req_link_speed = link_info->auto_pam4_link_speeds; if (link_info->force_pam4_link_speed) link_info->req_link_speed = link_info->force_pam4_link_speed; return (rc); } static void add_media(struct bnxt_softc *softc, uint8_t media_type, uint16_t supported, uint16_t supported_pam4) { switch (media_type) { case BNXT_MEDIA_CR: BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_50G, IFM_50G_CP); BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_100G, IFM_100G_CP2); BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_200G, IFM_200G_CR4_PAM4); BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_CR4); BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_CR2); BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_CR4); BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_CR); BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_CR1); BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_CX); break; case BNXT_MEDIA_LR: BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_50G, IFM_50G_LR); BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_200G, IFM_200G_LR4); BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_LR4); BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_LR2); BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_LR4); BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_LR); BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_LR); BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_LX); break; case BNXT_MEDIA_SR: BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_50G, IFM_50G_SR); BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_100G, IFM_100G_SR2); BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_200G, IFM_200G_SR4); BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_SR4); BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_SR2); BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_SR4); BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_SR); BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_SR); BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_SX); break; case BNXT_MEDIA_KR: BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_50G, IFM_50G_KR_PAM4); BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_100G, IFM_100G_KR2_PAM4); BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_200G, IFM_200G_KR4_PAM4); BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_KR4); BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_KR2); BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_KR4); BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_KR4); BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_KR); BNXT_IFMEDIA_ADD(supported, SPEEDS_20GB, IFM_20G_KR2); BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_KR); BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_KX); break; default: break; } return; } static void bnxt_add_media_types(struct bnxt_softc *softc) { struct bnxt_link_info *link_info = &softc->link_info; uint16_t supported = 0, supported_pam4 = 0; uint8_t phy_type = get_phy_type(softc), media_type; supported = link_info->support_speeds; supported_pam4 = link_info->support_pam4_speeds; /* Auto is always supported */ ifmedia_add(softc->media, IFM_ETHER | IFM_AUTO, 0, NULL); if (softc->flags & BNXT_FLAG_NPAR) return; switch (phy_type) { case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_200G_BASECR4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASECR4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASECR2: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_50G_BASECR: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASECR4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_L: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_S: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_N: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASECR: media_type = BNXT_MEDIA_CR; break; case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_200G_BASELR4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASELR4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_50G_BASELR: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASELR4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASELR: media_type = BNXT_MEDIA_LR; break; case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_200G_BASESR4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASESR10: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASESR4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_50G_BASESR: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASESR4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASESR: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASEER4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASEER4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_200G_BASEER4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASESR: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASESX: media_type = BNXT_MEDIA_SR; break; case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR4: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR2: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR: media_type = BNXT_MEDIA_KR; break; case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_ACTIVE_CABLE: BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_ACC); BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_AOC); BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_XLAUI); BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_XLAUI_AC); return; case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASECX: BNXT_IFMEDIA_ADD(supported, SPEEDS_1GBHD, IFM_1000_CX); return; case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASET: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASET: case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASETE: BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_T); BNXT_IFMEDIA_ADD(supported, SPEEDS_2_5GB, IFM_2500_T); BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_T); BNXT_IFMEDIA_ADD(supported, SPEEDS_100MB, IFM_100_T); BNXT_IFMEDIA_ADD(supported, SPEEDS_10MB, IFM_10_T); return; case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKX: BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_KR); BNXT_IFMEDIA_ADD(supported, SPEEDS_2_5GB, IFM_2500_KX); BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_KX); return; case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_SGMIIEXTPHY: BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_SGMII); return; case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_UNKNOWN: /* Only Autoneg is supported for TYPE_UNKNOWN */ return; default: /* Only Autoneg is supported for new phy type values */ device_printf(softc->dev, "phy type %d not supported by driver\n", phy_type); return; } /* add_media is invoked twice, once with a firmware speed mask of 0 and a valid * value for both NRZ and PAM4 sig mode. This ensures accurate display of all * supported medias and currently configured media in the "ifconfig -m" output */ if (link_info->sig_mode == BNXT_SIG_MODE_PAM4) { add_media(softc, media_type, supported, 0); add_media(softc, media_type, 0, supported_pam4); } else { add_media(softc, media_type, 0, supported_pam4); add_media(softc, media_type, supported, 0); } return; } static int bnxt_map_bar(struct bnxt_softc *softc, struct bnxt_bar_info *bar, int bar_num, bool shareable) { uint32_t flag; if (bar->res != NULL) { device_printf(softc->dev, "Bar %d already mapped\n", bar_num); return EDOOFUS; } bar->rid = PCIR_BAR(bar_num); flag = RF_ACTIVE; if (shareable) flag |= RF_SHAREABLE; if ((bar->res = bus_alloc_resource_any(softc->dev, SYS_RES_MEMORY, &bar->rid, flag)) == NULL) { device_printf(softc->dev, "PCI BAR%d mapping failure\n", bar_num); return (ENXIO); } bar->tag = rman_get_bustag(bar->res); bar->handle = rman_get_bushandle(bar->res); bar->size = rman_get_size(bar->res); return 0; } static int bnxt_pci_mapping(struct bnxt_softc *softc) { int rc; rc = bnxt_map_bar(softc, &softc->hwrm_bar, 0, true); if (rc) return rc; rc = bnxt_map_bar(softc, &softc->doorbell_bar, 2, false); return rc; } static void bnxt_pci_mapping_free(struct bnxt_softc *softc) { if (softc->hwrm_bar.res != NULL) bus_release_resource(softc->dev, SYS_RES_MEMORY, softc->hwrm_bar.rid, softc->hwrm_bar.res); softc->hwrm_bar.res = NULL; if (softc->doorbell_bar.res != NULL) bus_release_resource(softc->dev, SYS_RES_MEMORY, softc->doorbell_bar.rid, softc->doorbell_bar.res); softc->doorbell_bar.res = NULL; } static int bnxt_update_link(struct bnxt_softc *softc, bool chng_link_state) { struct bnxt_link_info *link_info = &softc->link_info; uint8_t link_up = link_info->link_up; int rc = 0; rc = bnxt_hwrm_port_phy_qcfg(softc); if (rc) goto exit; /* TODO: need to add more logic to report VF link */ if (chng_link_state) { if (link_info->phy_link_status == HWRM_PORT_PHY_QCFG_OUTPUT_LINK_LINK) link_info->link_up = 1; else link_info->link_up = 0; if (link_up != link_info->link_up) bnxt_report_link(softc); } else { /* always link down if not require to update link state */ link_info->link_up = 0; } exit: return rc; } #define ETHTOOL_SPEED_1000 1000 #define ETHTOOL_SPEED_10000 10000 #define ETHTOOL_SPEED_20000 20000 #define ETHTOOL_SPEED_25000 25000 #define ETHTOOL_SPEED_40000 40000 #define ETHTOOL_SPEED_50000 50000 #define ETHTOOL_SPEED_100000 100000 #define ETHTOOL_SPEED_200000 200000 #define ETHTOOL_SPEED_UNKNOWN -1 static u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) { switch (fw_link_speed) { case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_1GB: return ETHTOOL_SPEED_1000; case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_10GB: return ETHTOOL_SPEED_10000; case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_20GB: return ETHTOOL_SPEED_20000; case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_25GB: return ETHTOOL_SPEED_25000; case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_40GB: return ETHTOOL_SPEED_40000; case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_50GB: return ETHTOOL_SPEED_50000; case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_100GB: return ETHTOOL_SPEED_100000; case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_200GB: return ETHTOOL_SPEED_200000; default: return ETHTOOL_SPEED_UNKNOWN; } } void bnxt_report_link(struct bnxt_softc *softc) { struct bnxt_link_info *link_info = &softc->link_info; const char *duplex = NULL, *flow_ctrl = NULL; const char *signal_mode = ""; if(softc->edev) softc->edev->espeed = bnxt_fw_to_ethtool_speed(link_info->link_speed); if (link_info->link_up == link_info->last_link_up) { if (!link_info->link_up) return; if ((link_info->duplex == link_info->last_duplex) && (link_info->phy_type == link_info->last_phy_type) && (!(BNXT_IS_FLOW_CTRL_CHANGED(link_info)))) return; } if (link_info->link_up) { if (link_info->duplex == HWRM_PORT_PHY_QCFG_OUTPUT_DUPLEX_CFG_FULL) duplex = "full duplex"; else duplex = "half duplex"; if (link_info->flow_ctrl.tx & link_info->flow_ctrl.rx) flow_ctrl = "FC - receive & transmit"; else if (link_info->flow_ctrl.tx) flow_ctrl = "FC - transmit"; else if (link_info->flow_ctrl.rx) flow_ctrl = "FC - receive"; else flow_ctrl = "FC - none"; if (softc->link_info.phy_qcfg_resp.option_flags & HWRM_PORT_PHY_QCFG_OUTPUT_OPTION_FLAGS_SIGNAL_MODE_KNOWN) { uint8_t sig_mode = softc->link_info.active_fec_sig_mode & HWRM_PORT_PHY_QCFG_OUTPUT_SIGNAL_MODE_MASK; switch (sig_mode) { case BNXT_SIG_MODE_NRZ: signal_mode = "(NRZ) "; break; case BNXT_SIG_MODE_PAM4: signal_mode = "(PAM4) "; break; default: break; } link_info->sig_mode = sig_mode; } iflib_link_state_change(softc->ctx, LINK_STATE_UP, IF_Gbps(100)); device_printf(softc->dev, "Link is UP %s %s, %s - %d Mbps \n", duplex, signal_mode, flow_ctrl, (link_info->link_speed * 100)); } else { iflib_link_state_change(softc->ctx, LINK_STATE_DOWN, bnxt_get_baudrate(&softc->link_info)); device_printf(softc->dev, "Link is Down\n"); } link_info->last_link_up = link_info->link_up; link_info->last_duplex = link_info->duplex; link_info->last_phy_type = link_info->phy_type; link_info->last_flow_ctrl.tx = link_info->flow_ctrl.tx; link_info->last_flow_ctrl.rx = link_info->flow_ctrl.rx; link_info->last_flow_ctrl.autoneg = link_info->flow_ctrl.autoneg; /* update media types */ ifmedia_removeall(softc->media); bnxt_add_media_types(softc); ifmedia_set(softc->media, IFM_ETHER | IFM_AUTO); } static int bnxt_handle_isr(void *arg) { struct bnxt_cp_ring *cpr = arg; struct bnxt_softc *softc = cpr->ring.softc; cpr->int_count++; /* Disable further interrupts for this queue */ if (!BNXT_CHIP_P5(softc)) softc->db_ops.bnxt_db_rx_cq(cpr, 0); return FILTER_SCHEDULE_THREAD; } static int bnxt_handle_def_cp(void *arg) { struct bnxt_softc *softc = arg; softc->db_ops.bnxt_db_rx_cq(&softc->def_cp_ring, 0); - GROUPTASK_ENQUEUE(&softc->def_cp_task); + iflib_config_task_enqueue(softc->ctx, &softc->def_cp_task); return FILTER_HANDLED; } static void bnxt_clear_ids(struct bnxt_softc *softc) { int i; softc->def_cp_ring.stats_ctx_id = HWRM_NA_SIGNATURE; softc->def_cp_ring.ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE; softc->def_nq_ring.stats_ctx_id = HWRM_NA_SIGNATURE; softc->def_nq_ring.ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE; for (i = 0; i < softc->ntxqsets; i++) { softc->tx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE; softc->tx_cp_rings[i].ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE; softc->tx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE; if (!softc->nq_rings) continue; softc->nq_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE; softc->nq_rings[i].ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE; } for (i = 0; i < softc->nrxqsets; i++) { softc->rx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE; softc->rx_cp_rings[i].ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE; softc->rx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE; softc->ag_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE; softc->grp_info[i].grp_id = (uint16_t)HWRM_NA_SIGNATURE; } softc->vnic_info.filter_id = -1; softc->vnic_info.id = (uint16_t)HWRM_NA_SIGNATURE; softc->vnic_info.rss_id = (uint16_t)HWRM_NA_SIGNATURE; memset(softc->vnic_info.rss_grp_tbl.idi_vaddr, 0xff, softc->vnic_info.rss_grp_tbl.idi_size); } static void bnxt_mark_cpr_invalid(struct bnxt_cp_ring *cpr) { struct cmpl_base *cmp = (void *)cpr->ring.vaddr; int i; for (i = 0; i < cpr->ring.ring_size; i++) cmp[i].info3_v = !cpr->v_bit; } static void bnxt_event_error_report(struct bnxt_softc *softc, u32 data1, u32 data2) { u32 err_type = BNXT_EVENT_ERROR_REPORT_TYPE(data1); switch (err_type) { case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_INVALID_SIGNAL: device_printf(softc->dev, "1PPS: Received invalid signal on pin%u from the external source. Please fix the signal and reconfigure the pin\n", BNXT_EVENT_INVALID_SIGNAL_DATA(data2)); break; case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_PAUSE_STORM: device_printf(softc->dev, "Pause Storm detected!\n"); break; case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_DOORBELL_DROP_THRESHOLD: device_printf(softc->dev, "One or more MMIO doorbells dropped by the device! epoch: 0x%x\n", BNXT_EVENT_DBR_EPOCH(data1)); break; case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_NVM: { const char *nvm_err_str; if (EVENT_DATA1_NVM_ERR_TYPE_WRITE(data1)) nvm_err_str = "nvm write error"; else if (EVENT_DATA1_NVM_ERR_TYPE_ERASE(data1)) nvm_err_str = "nvm erase error"; else nvm_err_str = "unrecognized nvm error"; device_printf(softc->dev, "%s reported at address 0x%x\n", nvm_err_str, (u32)EVENT_DATA2_NVM_ERR_ADDR(data2)); break; } case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_THERMAL_THRESHOLD: { char *threshold_type; char *dir_str; switch (EVENT_DATA1_THERMAL_THRESHOLD_TYPE(data1)) { case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA1_THRESHOLD_TYPE_WARN: threshold_type = "warning"; break; case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA1_THRESHOLD_TYPE_CRITICAL: threshold_type = "critical"; break; case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA1_THRESHOLD_TYPE_FATAL: threshold_type = "fatal"; break; case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA1_THRESHOLD_TYPE_SHUTDOWN: threshold_type = "shutdown"; break; default: device_printf(softc->dev, "Unknown Thermal threshold type event\n"); return; } if (EVENT_DATA1_THERMAL_THRESHOLD_DIR_INCREASING(data1)) dir_str = "above"; else dir_str = "below"; device_printf(softc->dev, "Chip temperature has gone %s the %s thermal threshold!\n", dir_str, threshold_type); device_printf(softc->dev, "Temperature (In Celsius), Current: %u, threshold: %u\n", BNXT_EVENT_THERMAL_CURRENT_TEMP(data2), BNXT_EVENT_THERMAL_THRESHOLD_TEMP(data2)); break; } case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_DUAL_DATA_RATE_NOT_SUPPORTED: device_printf(softc->dev, "Speed change is not supported with dual rate transceivers on this board\n"); break; default: device_printf(softc->dev, "FW reported unknown error type: %u, data1: 0x%x data2: 0x%x\n", err_type, data1, data2); break; } } static void bnxt_handle_async_event(struct bnxt_softc *softc, struct cmpl_base *cmpl) { struct hwrm_async_event_cmpl *ae = (void *)cmpl; uint16_t async_id = le16toh(ae->event_id); struct ifmediareq ifmr; char *type_str; char *status_desc; struct bnxt_fw_health *fw_health; u32 data1 = le32toh(ae->event_data1); u32 data2 = le32toh(ae->event_data2); switch (async_id) { case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE: if (BNXT_CHIP_P5(softc)) bit_set(softc->state_bv, BNXT_STATE_LINK_CHANGE); else bnxt_media_status(softc->ctx, &ifmr); break; case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_ERROR_REPORT: { bnxt_event_error_report(softc, data1, data2); goto async_event_process_exit; } case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DOORBELL_PACING_THRESHOLD: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DOORBELL_PACING_NQ_UPDATE: break; case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY: { type_str = "Solicited"; if (!softc->fw_health) goto async_event_process_exit; softc->fw_reset_timestamp = jiffies; softc->fw_reset_min_dsecs = ae->timestamp_lo; if (!softc->fw_reset_min_dsecs) softc->fw_reset_min_dsecs = BNXT_DFLT_FW_RST_MIN_DSECS; softc->fw_reset_max_dsecs = le16toh(ae->timestamp_hi); if (!softc->fw_reset_max_dsecs) softc->fw_reset_max_dsecs = BNXT_DFLT_FW_RST_MAX_DSECS; if (EVENT_DATA1_RESET_NOTIFY_FW_ACTIVATION(data1)) { set_bit(BNXT_STATE_FW_ACTIVATE_RESET, &softc->state); } else if (EVENT_DATA1_RESET_NOTIFY_FATAL(data1)) { type_str = "Fatal"; softc->fw_health->fatalities++; set_bit(BNXT_STATE_FW_FATAL_COND, &softc->state); } else if (data2 && BNXT_FW_STATUS_HEALTHY != EVENT_DATA2_RESET_NOTIFY_FW_STATUS_CODE(data2)) { type_str = "Non-fatal"; softc->fw_health->survivals++; set_bit(BNXT_STATE_FW_NON_FATAL_COND, &softc->state); } device_printf(softc->dev, "%s firmware reset event, data1: 0x%x, data2: 0x%x, min wait %u ms, max wait %u ms\n", type_str, data1, data2, softc->fw_reset_min_dsecs * 100, softc->fw_reset_max_dsecs * 100); set_bit(BNXT_FW_RESET_NOTIFY_SP_EVENT, &softc->sp_event); break; } case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY: { fw_health = softc->fw_health; status_desc = "healthy"; u32 status; if (!fw_health) goto async_event_process_exit; if (!EVENT_DATA1_RECOVERY_ENABLED(data1)) { fw_health->enabled = false; device_printf(softc->dev, "Driver recovery watchdog is disabled\n"); break; } fw_health->primary = EVENT_DATA1_RECOVERY_MASTER_FUNC(data1); fw_health->tmr_multiplier = DIV_ROUND_UP(fw_health->polling_dsecs * HZ, HZ * 10); fw_health->tmr_counter = fw_health->tmr_multiplier; if (!fw_health->enabled) fw_health->last_fw_heartbeat = bnxt_fw_health_readl(softc, BNXT_FW_HEARTBEAT_REG); fw_health->last_fw_reset_cnt = bnxt_fw_health_readl(softc, BNXT_FW_RESET_CNT_REG); status = bnxt_fw_health_readl(softc, BNXT_FW_HEALTH_REG); if (status != BNXT_FW_STATUS_HEALTHY) status_desc = "unhealthy"; device_printf(softc->dev, "Driver recovery watchdog, role: %s, firmware status: 0x%x (%s), resets: %u\n", fw_health->primary ? "primary" : "backup", status, status_desc, fw_health->last_fw_reset_cnt); if (!fw_health->enabled) { /* Make sure tmr_counter is set and seen by * bnxt_health_check() before setting enabled */ smp_mb(); fw_health->enabled = true; } goto async_event_process_exit; } case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_MTU_CHANGE: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DCB_CONFIG_CHANGE: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_NOT_ALLOWED: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_FUNC_DRVR_UNLOAD: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_FUNC_DRVR_LOAD: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_LOAD: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_FLR: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_MAC_ADDR_CHANGE: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_VF_COMM_STATUS_CHANGE: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_HWRM_ERROR: device_printf(softc->dev, "Unhandled async completion type %u\n", async_id); break; default: device_printf(softc->dev, "Unknown async completion type %u\n", async_id); break; } bnxt_queue_sp_work(softc); async_event_process_exit: bnxt_ulp_async_events(softc, ae); } static void -bnxt_def_cp_task(void *context) +bnxt_def_cp_task(void *context, int pending) { if_ctx_t ctx = context; struct bnxt_softc *softc = iflib_get_softc(ctx); struct bnxt_cp_ring *cpr = &softc->def_cp_ring; /* Handle completions on the default completion ring */ struct cmpl_base *cmpl; uint32_t cons = cpr->cons; bool v_bit = cpr->v_bit; bool last_v_bit; uint32_t last_cons; uint16_t type; for (;;) { last_cons = cons; last_v_bit = v_bit; NEXT_CP_CONS_V(&cpr->ring, cons, v_bit); cmpl = &((struct cmpl_base *)cpr->ring.vaddr)[cons]; if (!CMP_VALID(cmpl, v_bit)) break; type = le16toh(cmpl->type) & CMPL_BASE_TYPE_MASK; switch (type) { case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT: bnxt_handle_async_event(softc, cmpl); break; case CMPL_BASE_TYPE_TX_L2: case CMPL_BASE_TYPE_RX_L2: case CMPL_BASE_TYPE_RX_AGG: case CMPL_BASE_TYPE_RX_TPA_START: case CMPL_BASE_TYPE_RX_TPA_END: case CMPL_BASE_TYPE_STAT_EJECT: case CMPL_BASE_TYPE_HWRM_DONE: case CMPL_BASE_TYPE_HWRM_FWD_REQ: case CMPL_BASE_TYPE_HWRM_FWD_RESP: case CMPL_BASE_TYPE_CQ_NOTIFICATION: case CMPL_BASE_TYPE_SRQ_EVENT: case CMPL_BASE_TYPE_DBQ_EVENT: case CMPL_BASE_TYPE_QP_EVENT: case CMPL_BASE_TYPE_FUNC_EVENT: device_printf(softc->dev, "Unhandled completion type %u\n", type); break; default: device_printf(softc->dev, "Unknown completion type %u\n", type); break; } } cpr->cons = last_cons; cpr->v_bit = last_v_bit; softc->db_ops.bnxt_db_rx_cq(cpr, 1); } uint8_t get_phy_type(struct bnxt_softc *softc) { struct bnxt_link_info *link_info = &softc->link_info; uint8_t phy_type = link_info->phy_type; uint16_t supported; if (phy_type != HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_UNKNOWN) return phy_type; /* Deduce the phy type from the media type and supported speeds */ supported = link_info->support_speeds; if (link_info->media_type == HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_TP) return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASET; if (link_info->media_type == HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_DAC) { if (supported & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_SPEEDS_2_5GB) return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKX; if (supported & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_SPEEDS_20GB) return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR; return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASECR; } if (link_info->media_type == HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_FIBRE) return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASESR; return phy_type; } bool bnxt_check_hwrm_version(struct bnxt_softc *softc) { char buf[16]; sprintf(buf, "%hhu.%hhu.%hhu", softc->ver_info->hwrm_min_major, softc->ver_info->hwrm_min_minor, softc->ver_info->hwrm_min_update); if (softc->ver_info->hwrm_min_major > softc->ver_info->hwrm_if_major) { device_printf(softc->dev, "WARNING: HWRM version %s is too old (older than %s)\n", softc->ver_info->hwrm_if_ver, buf); return false; } else if(softc->ver_info->hwrm_min_major == softc->ver_info->hwrm_if_major) { if (softc->ver_info->hwrm_min_minor > softc->ver_info->hwrm_if_minor) { device_printf(softc->dev, "WARNING: HWRM version %s is too old (older than %s)\n", softc->ver_info->hwrm_if_ver, buf); return false; } else if (softc->ver_info->hwrm_min_minor == softc->ver_info->hwrm_if_minor) { if (softc->ver_info->hwrm_min_update > softc->ver_info->hwrm_if_update) { device_printf(softc->dev, "WARNING: HWRM version %s is too old (older than %s)\n", softc->ver_info->hwrm_if_ver, buf); return false; } } } return true; } static uint64_t bnxt_get_baudrate(struct bnxt_link_info *link) { switch (link->link_speed) { case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_100MB: return IF_Mbps(100); case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_1GB: return IF_Gbps(1); case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_2GB: return IF_Gbps(2); case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_2_5GB: return IF_Mbps(2500); case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_10GB: return IF_Gbps(10); case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_20GB: return IF_Gbps(20); case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_25GB: return IF_Gbps(25); case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_40GB: return IF_Gbps(40); case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_50GB: return IF_Gbps(50); case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_100GB: return IF_Gbps(100); case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_10MB: return IF_Mbps(10); case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_200GB: return IF_Gbps(200); } return IF_Gbps(100); } static void bnxt_get_wol_settings(struct bnxt_softc *softc) { uint16_t wol_handle = 0; if (!bnxt_wol_supported(softc)) return; do { wol_handle = bnxt_hwrm_get_wol_fltrs(softc, wol_handle); } while (wol_handle && wol_handle != BNXT_NO_MORE_WOL_FILTERS); } diff --git a/sys/net/iflib.c b/sys/net/iflib.c index 93a2ca526072..12acdcd4f868 100644 --- a/sys/net/iflib.c +++ b/sys/net/iflib.c @@ -1,7178 +1,7181 @@ /*- * Copyright (c) 2014-2018, Matthew Macy * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Neither the name of Matthew Macy nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include "opt_inet.h" #include "opt_inet6.h" #include "opt_acpi.h" #include "opt_sched.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ifdi_if.h" #ifdef PCI_IOV #include #endif #include /* * enable accounting of every mbuf as it comes in to and goes out of * iflib's software descriptor references */ #define MEMORY_LOGGING 0 /* * Enable mbuf vectors for compressing long mbuf chains */ /* * NB: * - Prefetching in tx cleaning should perhaps be a tunable. The distance ahead * we prefetch needs to be determined by the time spent in m_free vis a vis * the cost of a prefetch. This will of course vary based on the workload: * - NFLX's m_free path is dominated by vm-based M_EXT manipulation which * is quite expensive, thus suggesting very little prefetch. * - small packet forwarding which is just returning a single mbuf to * UMA will typically be very fast vis a vis the cost of a memory * access. */ /* * File organization: * - private structures * - iflib private utility functions * - ifnet functions * - vlan registry and other exported functions * - iflib public core functions * * */ static MALLOC_DEFINE(M_IFLIB, "iflib", "ifnet library"); #define IFLIB_RXEOF_MORE (1U << 0) #define IFLIB_RXEOF_EMPTY (2U << 0) struct iflib_txq; typedef struct iflib_txq *iflib_txq_t; struct iflib_rxq; typedef struct iflib_rxq *iflib_rxq_t; struct iflib_fl; typedef struct iflib_fl *iflib_fl_t; struct iflib_ctx; static void iru_init(if_rxd_update_t iru, iflib_rxq_t rxq, uint8_t flid); static void iflib_timer(void *arg); static void iflib_tqg_detach(if_ctx_t ctx); typedef struct iflib_filter_info { driver_filter_t *ifi_filter; void *ifi_filter_arg; struct grouptask *ifi_task; void *ifi_ctx; } *iflib_filter_info_t; struct iflib_ctx { KOBJ_FIELDS; /* * Pointer to hardware driver's softc */ void *ifc_softc; device_t ifc_dev; if_t ifc_ifp; cpuset_t ifc_cpus; if_shared_ctx_t ifc_sctx; struct if_softc_ctx ifc_softc_ctx; struct sx ifc_ctx_sx; struct mtx ifc_state_mtx; iflib_txq_t ifc_txqs; iflib_rxq_t ifc_rxqs; uint32_t ifc_if_flags; uint32_t ifc_flags; uint32_t ifc_max_fl_buf_size; uint32_t ifc_rx_mbuf_sz; int ifc_link_state; int ifc_watchdog_events; struct cdev *ifc_led_dev; struct resource *ifc_msix_mem; struct if_irq ifc_legacy_irq; - struct grouptask ifc_admin_task; - struct grouptask ifc_vflr_task; + struct task ifc_admin_task; + struct task ifc_vflr_task; + struct taskqueue *ifc_tq; struct iflib_filter_info ifc_filter_info; struct ifmedia ifc_media; struct ifmedia *ifc_mediap; struct sysctl_oid *ifc_sysctl_node; uint16_t ifc_sysctl_ntxqs; uint16_t ifc_sysctl_nrxqs; uint16_t ifc_sysctl_qs_eq_override; uint16_t ifc_sysctl_rx_budget; uint16_t ifc_sysctl_tx_abdicate; uint16_t ifc_sysctl_core_offset; #define CORE_OFFSET_UNSPECIFIED 0xffff uint8_t ifc_sysctl_separate_txrx; uint8_t ifc_sysctl_use_logical_cores; uint16_t ifc_sysctl_extra_msix_vectors; bool ifc_cpus_are_physical_cores; qidx_t ifc_sysctl_ntxds[8]; qidx_t ifc_sysctl_nrxds[8]; struct if_txrx ifc_txrx; #define isc_txd_encap ifc_txrx.ift_txd_encap #define isc_txd_flush ifc_txrx.ift_txd_flush #define isc_txd_credits_update ifc_txrx.ift_txd_credits_update #define isc_rxd_available ifc_txrx.ift_rxd_available #define isc_rxd_pkt_get ifc_txrx.ift_rxd_pkt_get #define isc_rxd_refill ifc_txrx.ift_rxd_refill #define isc_rxd_flush ifc_txrx.ift_rxd_flush #define isc_legacy_intr ifc_txrx.ift_legacy_intr #define isc_txq_select ifc_txrx.ift_txq_select #define isc_txq_select_v2 ifc_txrx.ift_txq_select_v2 eventhandler_tag ifc_vlan_attach_event; eventhandler_tag ifc_vlan_detach_event; struct ether_addr ifc_mac; }; void * iflib_get_softc(if_ctx_t ctx) { return (ctx->ifc_softc); } device_t iflib_get_dev(if_ctx_t ctx) { return (ctx->ifc_dev); } if_t iflib_get_ifp(if_ctx_t ctx) { return (ctx->ifc_ifp); } struct ifmedia * iflib_get_media(if_ctx_t ctx) { return (ctx->ifc_mediap); } void iflib_set_mac(if_ctx_t ctx, uint8_t mac[ETHER_ADDR_LEN]) { bcopy(mac, ctx->ifc_mac.octet, ETHER_ADDR_LEN); } if_softc_ctx_t iflib_get_softc_ctx(if_ctx_t ctx) { return (&ctx->ifc_softc_ctx); } if_shared_ctx_t iflib_get_sctx(if_ctx_t ctx) { return (ctx->ifc_sctx); } uint16_t iflib_get_extra_msix_vectors_sysctl(if_ctx_t ctx) { return (ctx->ifc_sysctl_extra_msix_vectors); } #define IP_ALIGNED(m) ((((uintptr_t)(m)->m_data) & 0x3) == 0x2) #define CACHE_PTR_INCREMENT (CACHE_LINE_SIZE / sizeof(void *)) #define CACHE_PTR_NEXT(ptr) ((void *)(((uintptr_t)(ptr) + CACHE_LINE_SIZE - 1) & (CACHE_LINE_SIZE - 1))) #define LINK_ACTIVE(ctx) ((ctx)->ifc_link_state == LINK_STATE_UP) #define CTX_IS_VF(ctx) ((ctx)->ifc_sctx->isc_flags & IFLIB_IS_VF) typedef struct iflib_sw_rx_desc_array { bus_dmamap_t *ifsd_map; /* bus_dma maps for packet */ struct mbuf **ifsd_m; /* pkthdr mbufs */ caddr_t *ifsd_cl; /* direct cluster pointer for rx */ bus_addr_t *ifsd_ba; /* bus addr of cluster for rx */ } iflib_rxsd_array_t; typedef struct iflib_sw_tx_desc_array { bus_dmamap_t *ifsd_map; /* bus_dma maps for packet */ bus_dmamap_t *ifsd_tso_map; /* bus_dma maps for TSO packet */ struct mbuf **ifsd_m; /* pkthdr mbufs */ } if_txsd_vec_t; /* magic number that should be high enough for any hardware */ #define IFLIB_MAX_TX_SEGS 128 #define IFLIB_RX_COPY_THRESH 128 #define IFLIB_MAX_RX_REFRESH 32 /* The minimum descriptors per second before we start coalescing */ #define IFLIB_MIN_DESC_SEC 16384 #define IFLIB_DEFAULT_TX_UPDATE_FREQ 16 #define IFLIB_QUEUE_IDLE 0 #define IFLIB_QUEUE_HUNG 1 #define IFLIB_QUEUE_WORKING 2 /* maximum number of txqs that can share an rx interrupt */ #define IFLIB_MAX_TX_SHARED_INTR 4 /* this should really scale with ring size - this is a fairly arbitrary value */ #define TX_BATCH_SIZE 32 #define IFLIB_RESTART_BUDGET 8 #define IFC_LEGACY 0x001 #define IFC_QFLUSH 0x002 #define IFC_MULTISEG 0x004 #define IFC_SPARE1 0x008 #define IFC_SC_ALLOCATED 0x010 #define IFC_INIT_DONE 0x020 #define IFC_PREFETCH 0x040 #define IFC_DO_RESET 0x080 #define IFC_DO_WATCHDOG 0x100 #define IFC_SPARE0 0x200 #define IFC_SPARE2 0x400 #define IFC_IN_DETACH 0x800 #define IFC_NETMAP_TX_IRQ 0x80000000 #define CSUM_OFFLOAD (CSUM_IP_TSO | CSUM_IP6_TSO | CSUM_IP | \ CSUM_IP_UDP | CSUM_IP_TCP | CSUM_IP_SCTP | \ CSUM_IP6_UDP | CSUM_IP6_TCP | CSUM_IP6_SCTP) struct iflib_txq { qidx_t ift_in_use; qidx_t ift_cidx; qidx_t ift_cidx_processed; qidx_t ift_pidx; uint8_t ift_gen; uint8_t ift_br_offset; uint16_t ift_npending; uint16_t ift_db_pending; uint16_t ift_rs_pending; /* implicit pad */ uint8_t ift_txd_size[8]; uint64_t ift_processed; uint64_t ift_cleaned; uint64_t ift_cleaned_prev; #if MEMORY_LOGGING uint64_t ift_enqueued; uint64_t ift_dequeued; #endif uint64_t ift_no_tx_dma_setup; uint64_t ift_no_desc_avail; uint64_t ift_mbuf_defrag_failed; uint64_t ift_mbuf_defrag; uint64_t ift_map_failed; uint64_t ift_txd_encap_efbig; uint64_t ift_pullups; uint64_t ift_last_timer_tick; struct mtx ift_mtx; struct mtx ift_db_mtx; /* constant values */ if_ctx_t ift_ctx; struct ifmp_ring *ift_br; struct grouptask ift_task; qidx_t ift_size; uint16_t ift_id; struct callout ift_timer; #ifdef DEV_NETMAP struct callout ift_netmap_timer; #endif /* DEV_NETMAP */ if_txsd_vec_t ift_sds; uint8_t ift_qstatus; uint8_t ift_closed; uint8_t ift_update_freq; struct iflib_filter_info ift_filter_info; bus_dma_tag_t ift_buf_tag; bus_dma_tag_t ift_tso_buf_tag; iflib_dma_info_t ift_ifdi; #define MTX_NAME_LEN 32 char ift_mtx_name[MTX_NAME_LEN]; bus_dma_segment_t ift_segs[IFLIB_MAX_TX_SEGS] __aligned(CACHE_LINE_SIZE); #ifdef IFLIB_DIAGNOSTICS uint64_t ift_cpu_exec_count[256]; #endif } __aligned(CACHE_LINE_SIZE); struct iflib_fl { qidx_t ifl_cidx; qidx_t ifl_pidx; qidx_t ifl_credits; uint8_t ifl_gen; uint8_t ifl_rxd_size; #if MEMORY_LOGGING uint64_t ifl_m_enqueued; uint64_t ifl_m_dequeued; uint64_t ifl_cl_enqueued; uint64_t ifl_cl_dequeued; #endif /* implicit pad */ bitstr_t *ifl_rx_bitmap; qidx_t ifl_fragidx; /* constant */ qidx_t ifl_size; uint16_t ifl_buf_size; uint16_t ifl_cltype; uma_zone_t ifl_zone; iflib_rxsd_array_t ifl_sds; iflib_rxq_t ifl_rxq; uint8_t ifl_id; bus_dma_tag_t ifl_buf_tag; iflib_dma_info_t ifl_ifdi; uint64_t ifl_bus_addrs[IFLIB_MAX_RX_REFRESH] __aligned(CACHE_LINE_SIZE); qidx_t ifl_rxd_idxs[IFLIB_MAX_RX_REFRESH]; } __aligned(CACHE_LINE_SIZE); static inline qidx_t get_inuse(int size, qidx_t cidx, qidx_t pidx, uint8_t gen) { qidx_t used; if (pidx > cidx) used = pidx - cidx; else if (pidx < cidx) used = size - cidx + pidx; else if (gen == 0 && pidx == cidx) used = 0; else if (gen == 1 && pidx == cidx) used = size; else panic("bad state"); return (used); } #define TXQ_AVAIL(txq) (txq->ift_size - get_inuse(txq->ift_size, txq->ift_cidx, txq->ift_pidx, txq->ift_gen)) #define IDXDIFF(head, tail, wrap) \ ((head) >= (tail) ? (head) - (tail) : (wrap) - (tail) + (head)) struct iflib_rxq { if_ctx_t ifr_ctx; iflib_fl_t ifr_fl; uint64_t ifr_rx_irq; struct pfil_head *pfil; /* * If there is a separate completion queue (IFLIB_HAS_RXCQ), this is * the completion queue consumer index. Otherwise it's unused. */ qidx_t ifr_cq_cidx; uint16_t ifr_id; uint8_t ifr_nfl; uint8_t ifr_ntxqirq; uint8_t ifr_txqid[IFLIB_MAX_TX_SHARED_INTR]; uint8_t ifr_fl_offset; struct lro_ctrl ifr_lc; struct grouptask ifr_task; struct callout ifr_watchdog; struct iflib_filter_info ifr_filter_info; iflib_dma_info_t ifr_ifdi; /* dynamically allocate if any drivers need a value substantially larger than this */ struct if_rxd_frag ifr_frags[IFLIB_MAX_RX_SEGS] __aligned(CACHE_LINE_SIZE); #ifdef IFLIB_DIAGNOSTICS uint64_t ifr_cpu_exec_count[256]; #endif } __aligned(CACHE_LINE_SIZE); typedef struct if_rxsd { caddr_t *ifsd_cl; iflib_fl_t ifsd_fl; } *if_rxsd_t; /* multiple of word size */ #ifdef __LP64__ #define PKT_INFO_SIZE 6 #define RXD_INFO_SIZE 5 #define PKT_TYPE uint64_t #else #define PKT_INFO_SIZE 11 #define RXD_INFO_SIZE 8 #define PKT_TYPE uint32_t #endif #define PKT_LOOP_BOUND ((PKT_INFO_SIZE / 3) * 3) #define RXD_LOOP_BOUND ((RXD_INFO_SIZE / 4) * 4) typedef struct if_pkt_info_pad { PKT_TYPE pkt_val[PKT_INFO_SIZE]; } *if_pkt_info_pad_t; typedef struct if_rxd_info_pad { PKT_TYPE rxd_val[RXD_INFO_SIZE]; } *if_rxd_info_pad_t; CTASSERT(sizeof(struct if_pkt_info_pad) == sizeof(struct if_pkt_info)); CTASSERT(sizeof(struct if_rxd_info_pad) == sizeof(struct if_rxd_info)); static inline void pkt_info_zero(if_pkt_info_t pi) { if_pkt_info_pad_t pi_pad; pi_pad = (if_pkt_info_pad_t)pi; pi_pad->pkt_val[0] = 0; pi_pad->pkt_val[1] = 0; pi_pad->pkt_val[2] = 0; pi_pad->pkt_val[3] = 0; pi_pad->pkt_val[4] = 0; pi_pad->pkt_val[5] = 0; #ifndef __LP64__ pi_pad->pkt_val[6] = 0; pi_pad->pkt_val[7] = 0; pi_pad->pkt_val[8] = 0; pi_pad->pkt_val[9] = 0; pi_pad->pkt_val[10] = 0; #endif } static inline void rxd_info_zero(if_rxd_info_t ri) { if_rxd_info_pad_t ri_pad; int i; ri_pad = (if_rxd_info_pad_t)ri; for (i = 0; i < RXD_LOOP_BOUND; i += 4) { ri_pad->rxd_val[i] = 0; ri_pad->rxd_val[i + 1] = 0; ri_pad->rxd_val[i + 2] = 0; ri_pad->rxd_val[i + 3] = 0; } #ifdef __LP64__ ri_pad->rxd_val[RXD_INFO_SIZE - 1] = 0; #endif } /* * Only allow a single packet to take up most 1/nth of the tx ring */ #define MAX_SINGLE_PACKET_FRACTION 12 #define IF_BAD_DMA ((bus_addr_t)-1) #define CTX_ACTIVE(ctx) ((if_getdrvflags((ctx)->ifc_ifp) & IFF_DRV_RUNNING)) #define CTX_LOCK_INIT(_sc) sx_init(&(_sc)->ifc_ctx_sx, "iflib ctx lock") #define CTX_LOCK(ctx) sx_xlock(&(ctx)->ifc_ctx_sx) #define CTX_UNLOCK(ctx) sx_xunlock(&(ctx)->ifc_ctx_sx) #define CTX_LOCK_DESTROY(ctx) sx_destroy(&(ctx)->ifc_ctx_sx) #define STATE_LOCK_INIT(_sc, _name) mtx_init(&(_sc)->ifc_state_mtx, _name, "iflib state lock", MTX_DEF) #define STATE_LOCK(ctx) mtx_lock(&(ctx)->ifc_state_mtx) #define STATE_UNLOCK(ctx) mtx_unlock(&(ctx)->ifc_state_mtx) #define STATE_LOCK_DESTROY(ctx) mtx_destroy(&(ctx)->ifc_state_mtx) #define CALLOUT_LOCK(txq) mtx_lock(&txq->ift_mtx) #define CALLOUT_UNLOCK(txq) mtx_unlock(&txq->ift_mtx) /* Our boot-time initialization hook */ static int iflib_module_event_handler(module_t, int, void *); static moduledata_t iflib_moduledata = { "iflib", iflib_module_event_handler, NULL }; DECLARE_MODULE(iflib, iflib_moduledata, SI_SUB_INIT_IF, SI_ORDER_ANY); MODULE_VERSION(iflib, 1); MODULE_DEPEND(iflib, pci, 1, 1, 1); MODULE_DEPEND(iflib, ether, 1, 1, 1); TASKQGROUP_DEFINE(if_io_tqg, mp_ncpus, 1); TASKQGROUP_DEFINE(if_config_tqg, 1, 1); #ifndef IFLIB_DEBUG_COUNTERS #ifdef INVARIANTS #define IFLIB_DEBUG_COUNTERS 1 #else #define IFLIB_DEBUG_COUNTERS 0 #endif /* !INVARIANTS */ #endif static SYSCTL_NODE(_net, OID_AUTO, iflib, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "iflib driver parameters"); /* * XXX need to ensure that this can't accidentally cause the head to be moved backwards */ static int iflib_min_tx_latency = 0; SYSCTL_INT(_net_iflib, OID_AUTO, min_tx_latency, CTLFLAG_RW, &iflib_min_tx_latency, 0, "minimize transmit latency at the possible expense of throughput"); static int iflib_no_tx_batch = 0; SYSCTL_INT(_net_iflib, OID_AUTO, no_tx_batch, CTLFLAG_RW, &iflib_no_tx_batch, 0, "minimize transmit latency at the possible expense of throughput"); static int iflib_timer_default = 1000; SYSCTL_INT(_net_iflib, OID_AUTO, timer_default, CTLFLAG_RW, &iflib_timer_default, 0, "number of ticks between iflib_timer calls"); #if IFLIB_DEBUG_COUNTERS static int iflib_tx_seen; static int iflib_tx_sent; static int iflib_tx_encap; static int iflib_rx_allocs; static int iflib_fl_refills; static int iflib_fl_refills_large; static int iflib_tx_frees; SYSCTL_INT(_net_iflib, OID_AUTO, tx_seen, CTLFLAG_RD, &iflib_tx_seen, 0, "# TX mbufs seen"); SYSCTL_INT(_net_iflib, OID_AUTO, tx_sent, CTLFLAG_RD, &iflib_tx_sent, 0, "# TX mbufs sent"); SYSCTL_INT(_net_iflib, OID_AUTO, tx_encap, CTLFLAG_RD, &iflib_tx_encap, 0, "# TX mbufs encapped"); SYSCTL_INT(_net_iflib, OID_AUTO, tx_frees, CTLFLAG_RD, &iflib_tx_frees, 0, "# TX frees"); SYSCTL_INT(_net_iflib, OID_AUTO, rx_allocs, CTLFLAG_RD, &iflib_rx_allocs, 0, "# RX allocations"); SYSCTL_INT(_net_iflib, OID_AUTO, fl_refills, CTLFLAG_RD, &iflib_fl_refills, 0, "# refills"); SYSCTL_INT(_net_iflib, OID_AUTO, fl_refills_large, CTLFLAG_RD, &iflib_fl_refills_large, 0, "# large refills"); static int iflib_txq_drain_flushing; static int iflib_txq_drain_oactive; static int iflib_txq_drain_notready; SYSCTL_INT(_net_iflib, OID_AUTO, txq_drain_flushing, CTLFLAG_RD, &iflib_txq_drain_flushing, 0, "# drain flushes"); SYSCTL_INT(_net_iflib, OID_AUTO, txq_drain_oactive, CTLFLAG_RD, &iflib_txq_drain_oactive, 0, "# drain oactives"); SYSCTL_INT(_net_iflib, OID_AUTO, txq_drain_notready, CTLFLAG_RD, &iflib_txq_drain_notready, 0, "# drain notready"); static int iflib_encap_load_mbuf_fail; static int iflib_encap_pad_mbuf_fail; static int iflib_encap_txq_avail_fail; static int iflib_encap_txd_encap_fail; SYSCTL_INT(_net_iflib, OID_AUTO, encap_load_mbuf_fail, CTLFLAG_RD, &iflib_encap_load_mbuf_fail, 0, "# busdma load failures"); SYSCTL_INT(_net_iflib, OID_AUTO, encap_pad_mbuf_fail, CTLFLAG_RD, &iflib_encap_pad_mbuf_fail, 0, "# runt frame pad failures"); SYSCTL_INT(_net_iflib, OID_AUTO, encap_txq_avail_fail, CTLFLAG_RD, &iflib_encap_txq_avail_fail, 0, "# txq avail failures"); SYSCTL_INT(_net_iflib, OID_AUTO, encap_txd_encap_fail, CTLFLAG_RD, &iflib_encap_txd_encap_fail, 0, "# driver encap failures"); static int iflib_task_fn_rxs; static int iflib_rx_intr_enables; static int iflib_fast_intrs; static int iflib_rx_unavail; static int iflib_rx_ctx_inactive; static int iflib_rx_if_input; static int iflib_rxd_flush; static int iflib_verbose_debug; SYSCTL_INT(_net_iflib, OID_AUTO, task_fn_rx, CTLFLAG_RD, &iflib_task_fn_rxs, 0, "# task_fn_rx calls"); SYSCTL_INT(_net_iflib, OID_AUTO, rx_intr_enables, CTLFLAG_RD, &iflib_rx_intr_enables, 0, "# RX intr enables"); SYSCTL_INT(_net_iflib, OID_AUTO, fast_intrs, CTLFLAG_RD, &iflib_fast_intrs, 0, "# fast_intr calls"); SYSCTL_INT(_net_iflib, OID_AUTO, rx_unavail, CTLFLAG_RD, &iflib_rx_unavail, 0, "# times rxeof called with no available data"); SYSCTL_INT(_net_iflib, OID_AUTO, rx_ctx_inactive, CTLFLAG_RD, &iflib_rx_ctx_inactive, 0, "# times rxeof called with inactive context"); SYSCTL_INT(_net_iflib, OID_AUTO, rx_if_input, CTLFLAG_RD, &iflib_rx_if_input, 0, "# times rxeof called if_input"); SYSCTL_INT(_net_iflib, OID_AUTO, rxd_flush, CTLFLAG_RD, &iflib_rxd_flush, 0, "# times rxd_flush called"); SYSCTL_INT(_net_iflib, OID_AUTO, verbose_debug, CTLFLAG_RW, &iflib_verbose_debug, 0, "enable verbose debugging"); #define DBG_COUNTER_INC(name) atomic_add_int(&(iflib_ ## name), 1) static void iflib_debug_reset(void) { iflib_tx_seen = iflib_tx_sent = iflib_tx_encap = iflib_rx_allocs = iflib_fl_refills = iflib_fl_refills_large = iflib_tx_frees = iflib_txq_drain_flushing = iflib_txq_drain_oactive = iflib_txq_drain_notready = iflib_encap_load_mbuf_fail = iflib_encap_pad_mbuf_fail = iflib_encap_txq_avail_fail = iflib_encap_txd_encap_fail = iflib_task_fn_rxs = iflib_rx_intr_enables = iflib_fast_intrs = iflib_rx_unavail = iflib_rx_ctx_inactive = iflib_rx_if_input = iflib_rxd_flush = 0; } #else #define DBG_COUNTER_INC(name) static void iflib_debug_reset(void) {} #endif #define IFLIB_DEBUG 0 static void iflib_tx_structures_free(if_ctx_t ctx); static void iflib_rx_structures_free(if_ctx_t ctx); static int iflib_queues_alloc(if_ctx_t ctx); static int iflib_tx_credits_update(if_ctx_t ctx, iflib_txq_t txq); static int iflib_rxd_avail(if_ctx_t ctx, iflib_rxq_t rxq, qidx_t cidx, qidx_t budget); static int iflib_qset_structures_setup(if_ctx_t ctx); static int iflib_msix_init(if_ctx_t ctx); static int iflib_legacy_setup(if_ctx_t ctx, driver_filter_t filter, void *filterarg, int *rid, const char *str); static void iflib_txq_check_drain(iflib_txq_t txq, int budget); static uint32_t iflib_txq_can_drain(struct ifmp_ring *); #ifdef ALTQ static void iflib_altq_if_start(if_t ifp); static int iflib_altq_if_transmit(if_t ifp, struct mbuf *m); #endif static int iflib_register(if_ctx_t); static void iflib_deregister(if_ctx_t); static void iflib_unregister_vlan_handlers(if_ctx_t ctx); static uint16_t iflib_get_mbuf_size_for(unsigned int size); static void iflib_init_locked(if_ctx_t ctx); static void iflib_add_device_sysctl_pre(if_ctx_t ctx); static void iflib_add_device_sysctl_post(if_ctx_t ctx); static void iflib_ifmp_purge(iflib_txq_t txq); static void _iflib_pre_assert(if_softc_ctx_t scctx); static void iflib_stop(if_ctx_t ctx); static void iflib_if_init_locked(if_ctx_t ctx); static void iflib_free_intr_mem(if_ctx_t ctx); #ifndef __NO_STRICT_ALIGNMENT static struct mbuf *iflib_fixup_rx(struct mbuf *m); #endif static SLIST_HEAD(cpu_offset_list, cpu_offset) cpu_offsets = SLIST_HEAD_INITIALIZER(cpu_offsets); struct cpu_offset { SLIST_ENTRY(cpu_offset) entries; cpuset_t set; unsigned int refcount; uint16_t next_cpuid; }; static struct mtx cpu_offset_mtx; MTX_SYSINIT(iflib_cpu_offset, &cpu_offset_mtx, "iflib_cpu_offset lock", MTX_DEF); DEBUGNET_DEFINE(iflib); static int iflib_num_rx_descs(if_ctx_t ctx) { if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; if_shared_ctx_t sctx = ctx->ifc_sctx; uint16_t first_rxq = (sctx->isc_flags & IFLIB_HAS_RXCQ) ? 1 : 0; return (scctx->isc_nrxd[first_rxq]); } static int iflib_num_tx_descs(if_ctx_t ctx) { if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; if_shared_ctx_t sctx = ctx->ifc_sctx; uint16_t first_txq = (sctx->isc_flags & IFLIB_HAS_TXCQ) ? 1 : 0; return (scctx->isc_ntxd[first_txq]); } #ifdef DEV_NETMAP #include #include #include MODULE_DEPEND(iflib, netmap, 1, 1, 1); static int netmap_fl_refill(iflib_rxq_t rxq, struct netmap_kring *kring, bool init); static void iflib_netmap_timer(void *arg); /* * device-specific sysctl variables: * * iflib_crcstrip: 0: keep CRC in rx frames (default), 1: strip it. * During regular operations the CRC is stripped, but on some * hardware reception of frames not multiple of 64 is slower, * so using crcstrip=0 helps in benchmarks. * * iflib_rx_miss, iflib_rx_miss_bufs: * count packets that might be missed due to lost interrupts. */ SYSCTL_DECL(_dev_netmap); /* * The xl driver by default strips CRCs and we do not override it. */ int iflib_crcstrip = 1; SYSCTL_INT(_dev_netmap, OID_AUTO, iflib_crcstrip, CTLFLAG_RW, &iflib_crcstrip, 1, "strip CRC on RX frames"); int iflib_rx_miss, iflib_rx_miss_bufs; SYSCTL_INT(_dev_netmap, OID_AUTO, iflib_rx_miss, CTLFLAG_RW, &iflib_rx_miss, 0, "potentially missed RX intr"); SYSCTL_INT(_dev_netmap, OID_AUTO, iflib_rx_miss_bufs, CTLFLAG_RW, &iflib_rx_miss_bufs, 0, "potentially missed RX intr bufs"); /* * Register/unregister. We are already under netmap lock. * Only called on the first register or the last unregister. */ static int iflib_netmap_register(struct netmap_adapter *na, int onoff) { if_t ifp = na->ifp; if_ctx_t ctx = if_getsoftc(ifp); int status; CTX_LOCK(ctx); if (!CTX_IS_VF(ctx)) IFDI_CRCSTRIP_SET(ctx, onoff, iflib_crcstrip); iflib_stop(ctx); /* * Enable (or disable) netmap flags, and intercept (or restore) * ifp->if_transmit. This is done once the device has been stopped * to prevent race conditions. Also, this must be done after * calling netmap_disable_all_rings() and before calling * netmap_enable_all_rings(), so that these two functions see the * updated state of the NAF_NETMAP_ON bit. */ if (onoff) { nm_set_native_flags(na); } else { nm_clear_native_flags(na); } iflib_init_locked(ctx); IFDI_CRCSTRIP_SET(ctx, onoff, iflib_crcstrip); // XXX why twice ? status = if_getdrvflags(ifp) & IFF_DRV_RUNNING ? 0 : 1; if (status) nm_clear_native_flags(na); CTX_UNLOCK(ctx); return (status); } static int iflib_netmap_config(struct netmap_adapter *na, struct nm_config_info *info) { if_t ifp = na->ifp; if_ctx_t ctx = if_getsoftc(ifp); iflib_rxq_t rxq = &ctx->ifc_rxqs[0]; iflib_fl_t fl = &rxq->ifr_fl[0]; info->num_tx_rings = ctx->ifc_softc_ctx.isc_ntxqsets; info->num_rx_rings = ctx->ifc_softc_ctx.isc_nrxqsets; info->num_tx_descs = iflib_num_tx_descs(ctx); info->num_rx_descs = iflib_num_rx_descs(ctx); info->rx_buf_maxsize = fl->ifl_buf_size; nm_prinf("txr %u rxr %u txd %u rxd %u rbufsz %u", info->num_tx_rings, info->num_rx_rings, info->num_tx_descs, info->num_rx_descs, info->rx_buf_maxsize); return (0); } static int netmap_fl_refill(iflib_rxq_t rxq, struct netmap_kring *kring, bool init) { struct netmap_adapter *na = kring->na; u_int const lim = kring->nkr_num_slots - 1; struct netmap_ring *ring = kring->ring; bus_dmamap_t *map; struct if_rxd_update iru; if_ctx_t ctx = rxq->ifr_ctx; iflib_fl_t fl = &rxq->ifr_fl[0]; u_int nic_i_first, nic_i; u_int nm_i; int i, n; #if IFLIB_DEBUG_COUNTERS int rf_count = 0; #endif /* * This function is used both at initialization and in rxsync. * At initialization we need to prepare (with isc_rxd_refill()) * all the netmap buffers currently owned by the kernel, in * such a way to keep fl->ifl_pidx and kring->nr_hwcur in sync * (except for kring->nkr_hwofs). These may be less than * kring->nkr_num_slots if netmap_reset() was called while * an application using the kring that still owned some * buffers. * At rxsync time, both indexes point to the next buffer to be * refilled. * In any case we publish (with isc_rxd_flush()) up to * (fl->ifl_pidx - 1) % N (included), to avoid the NIC tail/prod * pointer to overrun the head/cons pointer, although this is * not necessary for some NICs (e.g. vmx). */ if (__predict_false(init)) { n = kring->nkr_num_slots - nm_kr_rxspace(kring); } else { n = kring->rhead - kring->nr_hwcur; if (n == 0) return (0); /* Nothing to do. */ if (n < 0) n += kring->nkr_num_slots; } iru_init(&iru, rxq, 0 /* flid */); map = fl->ifl_sds.ifsd_map; nic_i = fl->ifl_pidx; nm_i = netmap_idx_n2k(kring, nic_i); if (__predict_false(init)) { /* * On init/reset, nic_i must be 0, and we must * start to refill from hwtail (see netmap_reset()). */ MPASS(nic_i == 0); MPASS(nm_i == kring->nr_hwtail); } else MPASS(nm_i == kring->nr_hwcur); DBG_COUNTER_INC(fl_refills); while (n > 0) { #if IFLIB_DEBUG_COUNTERS if (++rf_count == 9) DBG_COUNTER_INC(fl_refills_large); #endif nic_i_first = nic_i; for (i = 0; n > 0 && i < IFLIB_MAX_RX_REFRESH; n--, i++) { struct netmap_slot *slot = &ring->slot[nm_i]; uint64_t paddr; void *addr = PNMB(na, slot, &paddr); MPASS(i < IFLIB_MAX_RX_REFRESH); if (addr == NETMAP_BUF_BASE(na)) /* bad buf */ return (netmap_ring_reinit(kring)); fl->ifl_bus_addrs[i] = paddr + nm_get_offset(kring, slot); fl->ifl_rxd_idxs[i] = nic_i; if (__predict_false(init)) { netmap_load_map(na, fl->ifl_buf_tag, map[nic_i], addr); } else if (slot->flags & NS_BUF_CHANGED) { /* buffer has changed, reload map */ netmap_reload_map(na, fl->ifl_buf_tag, map[nic_i], addr); } bus_dmamap_sync(fl->ifl_buf_tag, map[nic_i], BUS_DMASYNC_PREREAD); slot->flags &= ~NS_BUF_CHANGED; nm_i = nm_next(nm_i, lim); nic_i = nm_next(nic_i, lim); } iru.iru_pidx = nic_i_first; iru.iru_count = i; ctx->isc_rxd_refill(ctx->ifc_softc, &iru); } fl->ifl_pidx = nic_i; /* * At the end of the loop we must have refilled everything * we could possibly refill. */ MPASS(nm_i == kring->rhead); kring->nr_hwcur = nm_i; bus_dmamap_sync(fl->ifl_ifdi->idi_tag, fl->ifl_ifdi->idi_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); ctx->isc_rxd_flush(ctx->ifc_softc, rxq->ifr_id, fl->ifl_id, nm_prev(nic_i, lim)); DBG_COUNTER_INC(rxd_flush); return (0); } #define NETMAP_TX_TIMER_US 90 /* * Reconcile kernel and user view of the transmit ring. * * All information is in the kring. * Userspace wants to send packets up to the one before kring->rhead, * kernel knows kring->nr_hwcur is the first unsent packet. * * Here we push packets out (as many as possible), and possibly * reclaim buffers from previously completed transmission. * * The caller (netmap) guarantees that there is only one instance * running at any time. Any interference with other driver * methods should be handled by the individual drivers. */ static int iflib_netmap_txsync(struct netmap_kring *kring, int flags) { struct netmap_adapter *na = kring->na; if_t ifp = na->ifp; struct netmap_ring *ring = kring->ring; u_int nm_i; /* index into the netmap kring */ u_int nic_i; /* index into the NIC ring */ u_int const lim = kring->nkr_num_slots - 1; u_int const head = kring->rhead; struct if_pkt_info pi; int tx_pkts = 0, tx_bytes = 0; /* * interrupts on every tx packet are expensive so request * them every half ring, or where NS_REPORT is set */ u_int report_frequency = kring->nkr_num_slots >> 1; /* device-specific */ if_ctx_t ctx = if_getsoftc(ifp); iflib_txq_t txq = &ctx->ifc_txqs[kring->ring_id]; bus_dmamap_sync(txq->ift_ifdi->idi_tag, txq->ift_ifdi->idi_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); /* * First part: process new packets to send. * nm_i is the current index in the netmap kring, * nic_i is the corresponding index in the NIC ring. * * If we have packets to send (nm_i != head) * iterate over the netmap ring, fetch length and update * the corresponding slot in the NIC ring. Some drivers also * need to update the buffer's physical address in the NIC slot * even NS_BUF_CHANGED is not set (PNMB computes the addresses). * * The netmap_reload_map() calls is especially expensive, * even when (as in this case) the tag is 0, so do only * when the buffer has actually changed. * * If possible do not set the report/intr bit on all slots, * but only a few times per ring or when NS_REPORT is set. * * Finally, on 10G and faster drivers, it might be useful * to prefetch the next slot and txr entry. */ nm_i = kring->nr_hwcur; if (nm_i != head) { /* we have new packets to send */ uint32_t pkt_len = 0, seg_idx = 0; int nic_i_start = -1, flags = 0; pkt_info_zero(&pi); pi.ipi_segs = txq->ift_segs; pi.ipi_qsidx = kring->ring_id; nic_i = netmap_idx_k2n(kring, nm_i); __builtin_prefetch(&ring->slot[nm_i]); __builtin_prefetch(&txq->ift_sds.ifsd_m[nic_i]); __builtin_prefetch(&txq->ift_sds.ifsd_map[nic_i]); while (nm_i != head) { struct netmap_slot *slot = &ring->slot[nm_i]; uint64_t offset = nm_get_offset(kring, slot); u_int len = slot->len; uint64_t paddr; void *addr = PNMB(na, slot, &paddr); flags |= (slot->flags & NS_REPORT || nic_i == 0 || nic_i == report_frequency) ? IPI_TX_INTR : 0; /* * If this is the first packet fragment, save the * index of the first NIC slot for later. */ if (nic_i_start < 0) nic_i_start = nic_i; pi.ipi_segs[seg_idx].ds_addr = paddr + offset; pi.ipi_segs[seg_idx].ds_len = len; if (len) { pkt_len += len; seg_idx++; } if (!(slot->flags & NS_MOREFRAG)) { pi.ipi_len = pkt_len; pi.ipi_nsegs = seg_idx; pi.ipi_pidx = nic_i_start; pi.ipi_ndescs = 0; pi.ipi_flags = flags; /* Prepare the NIC TX ring. */ ctx->isc_txd_encap(ctx->ifc_softc, &pi); DBG_COUNTER_INC(tx_encap); /* Update transmit counters */ tx_bytes += pi.ipi_len; tx_pkts++; /* Reinit per-packet info for the next one. */ flags = seg_idx = pkt_len = 0; nic_i_start = -1; } /* prefetch for next round */ __builtin_prefetch(&ring->slot[nm_i + 1]); __builtin_prefetch(&txq->ift_sds.ifsd_m[nic_i + 1]); __builtin_prefetch(&txq->ift_sds.ifsd_map[nic_i + 1]); NM_CHECK_ADDR_LEN_OFF(na, len, offset); if (slot->flags & NS_BUF_CHANGED) { /* buffer has changed, reload map */ netmap_reload_map(na, txq->ift_buf_tag, txq->ift_sds.ifsd_map[nic_i], addr); } /* make sure changes to the buffer are synced */ bus_dmamap_sync(txq->ift_buf_tag, txq->ift_sds.ifsd_map[nic_i], BUS_DMASYNC_PREWRITE); slot->flags &= ~(NS_REPORT | NS_BUF_CHANGED | NS_MOREFRAG); nm_i = nm_next(nm_i, lim); nic_i = nm_next(nic_i, lim); } kring->nr_hwcur = nm_i; /* synchronize the NIC ring */ bus_dmamap_sync(txq->ift_ifdi->idi_tag, txq->ift_ifdi->idi_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); /* (re)start the tx unit up to slot nic_i (excluded) */ ctx->isc_txd_flush(ctx->ifc_softc, txq->ift_id, nic_i); } /* * Second part: reclaim buffers for completed transmissions. * * If there are unclaimed buffers, attempt to reclaim them. * If we don't manage to reclaim them all, and TX IRQs are not in use, * trigger a per-tx-queue timer to try again later. */ if (kring->nr_hwtail != nm_prev(kring->nr_hwcur, lim)) { if (iflib_tx_credits_update(ctx, txq)) { /* some tx completed, increment avail */ nic_i = txq->ift_cidx_processed; kring->nr_hwtail = nm_prev(netmap_idx_n2k(kring, nic_i), lim); } } if (!(ctx->ifc_flags & IFC_NETMAP_TX_IRQ)) if (kring->nr_hwtail != nm_prev(kring->nr_hwcur, lim)) { callout_reset_sbt_on(&txq->ift_netmap_timer, NETMAP_TX_TIMER_US * SBT_1US, SBT_1US, iflib_netmap_timer, txq, txq->ift_netmap_timer.c_cpu, 0); } if_inc_counter(ifp, IFCOUNTER_OBYTES, tx_bytes); if_inc_counter(ifp, IFCOUNTER_OPACKETS, tx_pkts); return (0); } /* * Reconcile kernel and user view of the receive ring. * Same as for the txsync, this routine must be efficient. * The caller guarantees a single invocations, but races against * the rest of the driver should be handled here. * * On call, kring->rhead is the first packet that userspace wants * to keep, and kring->rcur is the wakeup point. * The kernel has previously reported packets up to kring->rtail. * * If (flags & NAF_FORCE_READ) also check for incoming packets irrespective * of whether or not we received an interrupt. */ static int iflib_netmap_rxsync(struct netmap_kring *kring, int flags) { struct netmap_adapter *na = kring->na; struct netmap_ring *ring = kring->ring; if_t ifp = na->ifp; uint32_t nm_i; /* index into the netmap ring */ uint32_t nic_i; /* index into the NIC ring */ u_int n; u_int const lim = kring->nkr_num_slots - 1; int force_update = (flags & NAF_FORCE_READ) || kring->nr_kflags & NKR_PENDINTR; int i = 0, rx_bytes = 0, rx_pkts = 0; if_ctx_t ctx = if_getsoftc(ifp); if_shared_ctx_t sctx = ctx->ifc_sctx; if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; iflib_rxq_t rxq = &ctx->ifc_rxqs[kring->ring_id]; iflib_fl_t fl = &rxq->ifr_fl[0]; struct if_rxd_info ri; qidx_t *cidxp; /* * netmap only uses free list 0, to avoid out of order consumption * of receive buffers */ bus_dmamap_sync(fl->ifl_ifdi->idi_tag, fl->ifl_ifdi->idi_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); /* * First part: import newly received packets. * * nm_i is the index of the next free slot in the netmap ring, * nic_i is the index of the next received packet in the NIC ring * (or in the free list 0 if IFLIB_HAS_RXCQ is set), and they may * differ in case if_init() has been called while * in netmap mode. For the receive ring we have * * nic_i = fl->ifl_cidx; * nm_i = kring->nr_hwtail (previous) * and * nm_i == (nic_i + kring->nkr_hwofs) % ring_size * * fl->ifl_cidx is set to 0 on a ring reinit */ if (netmap_no_pendintr || force_update) { uint32_t hwtail_lim = nm_prev(kring->nr_hwcur, lim); bool have_rxcq = sctx->isc_flags & IFLIB_HAS_RXCQ; int crclen = iflib_crcstrip ? 0 : 4; int error, avail; /* * For the free list consumer index, we use the same * logic as in iflib_rxeof(). */ if (have_rxcq) cidxp = &rxq->ifr_cq_cidx; else cidxp = &fl->ifl_cidx; avail = ctx->isc_rxd_available(ctx->ifc_softc, rxq->ifr_id, *cidxp, USHRT_MAX); nic_i = fl->ifl_cidx; nm_i = netmap_idx_n2k(kring, nic_i); MPASS(nm_i == kring->nr_hwtail); for (n = 0; avail > 0 && nm_i != hwtail_lim; n++, avail--) { rxd_info_zero(&ri); ri.iri_frags = rxq->ifr_frags; ri.iri_qsidx = kring->ring_id; ri.iri_ifp = ctx->ifc_ifp; ri.iri_cidx = *cidxp; error = ctx->isc_rxd_pkt_get(ctx->ifc_softc, &ri); for (i = 0; i < ri.iri_nfrags; i++) { if (error) { ring->slot[nm_i].len = 0; ring->slot[nm_i].flags = 0; } else { ring->slot[nm_i].len = ri.iri_frags[i].irf_len; if (i == (ri.iri_nfrags - 1)) { ring->slot[nm_i].len -= crclen; ring->slot[nm_i].flags = 0; /* Update receive counters */ rx_bytes += ri.iri_len; rx_pkts++; } else ring->slot[nm_i].flags = NS_MOREFRAG; } bus_dmamap_sync(fl->ifl_buf_tag, fl->ifl_sds.ifsd_map[nic_i], BUS_DMASYNC_POSTREAD); nm_i = nm_next(nm_i, lim); fl->ifl_cidx = nic_i = nm_next(nic_i, lim); } if (have_rxcq) { *cidxp = ri.iri_cidx; while (*cidxp >= scctx->isc_nrxd[0]) *cidxp -= scctx->isc_nrxd[0]; } } if (n) { /* update the state variables */ if (netmap_no_pendintr && !force_update) { /* diagnostics */ iflib_rx_miss++; iflib_rx_miss_bufs += n; } kring->nr_hwtail = nm_i; } kring->nr_kflags &= ~NKR_PENDINTR; } /* * Second part: skip past packets that userspace has released. * (kring->nr_hwcur to head excluded), * and make the buffers available for reception. * As usual nm_i is the index in the netmap ring, * nic_i is the index in the NIC ring, and * nm_i == (nic_i + kring->nkr_hwofs) % ring_size */ netmap_fl_refill(rxq, kring, false); if_inc_counter(ifp, IFCOUNTER_IBYTES, rx_bytes); if_inc_counter(ifp, IFCOUNTER_IPACKETS, rx_pkts); return (0); } static void iflib_netmap_intr(struct netmap_adapter *na, int onoff) { if_ctx_t ctx = if_getsoftc(na->ifp); CTX_LOCK(ctx); if (onoff) { IFDI_INTR_ENABLE(ctx); } else { IFDI_INTR_DISABLE(ctx); } CTX_UNLOCK(ctx); } static int iflib_netmap_attach(if_ctx_t ctx) { struct netmap_adapter na; bzero(&na, sizeof(na)); na.ifp = ctx->ifc_ifp; na.na_flags = NAF_BDG_MAYSLEEP | NAF_MOREFRAG | NAF_OFFSETS; MPASS(ctx->ifc_softc_ctx.isc_ntxqsets); MPASS(ctx->ifc_softc_ctx.isc_nrxqsets); na.num_tx_desc = iflib_num_tx_descs(ctx); na.num_rx_desc = iflib_num_rx_descs(ctx); na.nm_txsync = iflib_netmap_txsync; na.nm_rxsync = iflib_netmap_rxsync; na.nm_register = iflib_netmap_register; na.nm_intr = iflib_netmap_intr; na.nm_config = iflib_netmap_config; na.num_tx_rings = ctx->ifc_softc_ctx.isc_ntxqsets; na.num_rx_rings = ctx->ifc_softc_ctx.isc_nrxqsets; return (netmap_attach(&na)); } static int iflib_netmap_txq_init(if_ctx_t ctx, iflib_txq_t txq) { struct netmap_adapter *na = NA(ctx->ifc_ifp); struct netmap_slot *slot; slot = netmap_reset(na, NR_TX, txq->ift_id, 0); if (slot == NULL) return (0); for (int i = 0; i < ctx->ifc_softc_ctx.isc_ntxd[0]; i++) { /* * In netmap mode, set the map for the packet buffer. * NOTE: Some drivers (not this one) also need to set * the physical buffer address in the NIC ring. * netmap_idx_n2k() maps a nic index, i, into the corresponding * netmap slot index, si */ int si = netmap_idx_n2k(na->tx_rings[txq->ift_id], i); netmap_load_map(na, txq->ift_buf_tag, txq->ift_sds.ifsd_map[i], NMB(na, slot + si)); } return (1); } static int iflib_netmap_rxq_init(if_ctx_t ctx, iflib_rxq_t rxq) { struct netmap_adapter *na = NA(ctx->ifc_ifp); struct netmap_kring *kring; struct netmap_slot *slot; slot = netmap_reset(na, NR_RX, rxq->ifr_id, 0); if (slot == NULL) return (0); kring = na->rx_rings[rxq->ifr_id]; netmap_fl_refill(rxq, kring, true); return (1); } static void iflib_netmap_timer(void *arg) { iflib_txq_t txq = arg; if_ctx_t ctx = txq->ift_ctx; /* * Wake up the netmap application, to give it a chance to * call txsync and reclaim more completed TX buffers. */ netmap_tx_irq(ctx->ifc_ifp, txq->ift_id); } #define iflib_netmap_detach(ifp) netmap_detach(ifp) #else #define iflib_netmap_txq_init(ctx, txq) (0) #define iflib_netmap_rxq_init(ctx, rxq) (0) #define iflib_netmap_detach(ifp) #define netmap_enable_all_rings(ifp) #define netmap_disable_all_rings(ifp) #define iflib_netmap_attach(ctx) (0) #define netmap_rx_irq(ifp, qid, budget) (0) #endif #if defined(__i386__) || defined(__amd64__) static __inline void prefetch(void *x) { __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x)); } static __inline void prefetch2cachelines(void *x) { __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x)); #if (CACHE_LINE_SIZE < 128) __asm volatile("prefetcht0 %0" :: "m" (*(((unsigned long *)x) + CACHE_LINE_SIZE / (sizeof(unsigned long))))); #endif } #else static __inline void prefetch(void *x) { } static __inline void prefetch2cachelines(void *x) { } #endif static void iru_init(if_rxd_update_t iru, iflib_rxq_t rxq, uint8_t flid) { iflib_fl_t fl; fl = &rxq->ifr_fl[flid]; iru->iru_paddrs = fl->ifl_bus_addrs; iru->iru_idxs = fl->ifl_rxd_idxs; iru->iru_qsidx = rxq->ifr_id; iru->iru_buf_size = fl->ifl_buf_size; iru->iru_flidx = fl->ifl_id; } static void _iflib_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err) { if (err) return; *(bus_addr_t *) arg = segs[0].ds_addr; } #define DMA_WIDTH_TO_BUS_LOWADDR(width) \ (((width) == 0) || (width) == flsll(BUS_SPACE_MAXADDR) ? \ BUS_SPACE_MAXADDR : (1ULL << (width)) - 1ULL) int iflib_dma_alloc_align(if_ctx_t ctx, int size, int align, iflib_dma_info_t dma, int mapflags) { int err; device_t dev = ctx->ifc_dev; bus_addr_t lowaddr; lowaddr = DMA_WIDTH_TO_BUS_LOWADDR(ctx->ifc_softc_ctx.isc_dma_width); err = bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */ align, 0, /* alignment, bounds */ lowaddr, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ size, /* maxsize */ 1, /* nsegments */ size, /* maxsegsize */ BUS_DMA_ALLOCNOW, /* flags */ NULL, /* lockfunc */ NULL, /* lockarg */ &dma->idi_tag); if (err) { device_printf(dev, "%s: bus_dma_tag_create failed: %d (size=%d, align=%d)\n", __func__, err, size, align); goto fail_0; } err = bus_dmamem_alloc(dma->idi_tag, (void **)&dma->idi_vaddr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT | BUS_DMA_ZERO, &dma->idi_map); if (err) { device_printf(dev, "%s: bus_dmamem_alloc(%ju) failed: %d\n", __func__, (uintmax_t)size, err); goto fail_1; } dma->idi_paddr = IF_BAD_DMA; err = bus_dmamap_load(dma->idi_tag, dma->idi_map, dma->idi_vaddr, size, _iflib_dmamap_cb, &dma->idi_paddr, mapflags | BUS_DMA_NOWAIT); if (err || dma->idi_paddr == IF_BAD_DMA) { device_printf(dev, "%s: bus_dmamap_load failed: %d\n", __func__, err); goto fail_2; } dma->idi_size = size; return (0); fail_2: bus_dmamem_free(dma->idi_tag, dma->idi_vaddr, dma->idi_map); fail_1: bus_dma_tag_destroy(dma->idi_tag); fail_0: dma->idi_tag = NULL; return (err); } int iflib_dma_alloc(if_ctx_t ctx, int size, iflib_dma_info_t dma, int mapflags) { if_shared_ctx_t sctx = ctx->ifc_sctx; KASSERT(sctx->isc_q_align != 0, ("alignment value not initialized")); return (iflib_dma_alloc_align(ctx, size, sctx->isc_q_align, dma, mapflags)); } int iflib_dma_alloc_multi(if_ctx_t ctx, int *sizes, iflib_dma_info_t *dmalist, int mapflags, int count) { int i, err; iflib_dma_info_t *dmaiter; dmaiter = dmalist; for (i = 0; i < count; i++, dmaiter++) { if ((err = iflib_dma_alloc(ctx, sizes[i], *dmaiter, mapflags)) != 0) break; } if (err) iflib_dma_free_multi(dmalist, i); return (err); } void iflib_dma_free(iflib_dma_info_t dma) { if (dma->idi_tag == NULL) return; if (dma->idi_paddr != IF_BAD_DMA) { bus_dmamap_sync(dma->idi_tag, dma->idi_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(dma->idi_tag, dma->idi_map); dma->idi_paddr = IF_BAD_DMA; } if (dma->idi_vaddr != NULL) { bus_dmamem_free(dma->idi_tag, dma->idi_vaddr, dma->idi_map); dma->idi_vaddr = NULL; } bus_dma_tag_destroy(dma->idi_tag); dma->idi_tag = NULL; } void iflib_dma_free_multi(iflib_dma_info_t *dmalist, int count) { int i; iflib_dma_info_t *dmaiter = dmalist; for (i = 0; i < count; i++, dmaiter++) iflib_dma_free(*dmaiter); } static int iflib_fast_intr(void *arg) { iflib_filter_info_t info = arg; struct grouptask *gtask = info->ifi_task; int result; DBG_COUNTER_INC(fast_intrs); if (info->ifi_filter != NULL) { result = info->ifi_filter(info->ifi_filter_arg); if ((result & FILTER_SCHEDULE_THREAD) == 0) return (result); } GROUPTASK_ENQUEUE(gtask); return (FILTER_HANDLED); } static int iflib_fast_intr_rxtx(void *arg) { iflib_filter_info_t info = arg; struct grouptask *gtask = info->ifi_task; if_ctx_t ctx; iflib_rxq_t rxq = (iflib_rxq_t)info->ifi_ctx; iflib_txq_t txq; void *sc; int i, cidx, result; qidx_t txqid; bool intr_enable, intr_legacy; DBG_COUNTER_INC(fast_intrs); if (info->ifi_filter != NULL) { result = info->ifi_filter(info->ifi_filter_arg); if ((result & FILTER_SCHEDULE_THREAD) == 0) return (result); } ctx = rxq->ifr_ctx; sc = ctx->ifc_softc; intr_enable = false; intr_legacy = !!(ctx->ifc_flags & IFC_LEGACY); MPASS(rxq->ifr_ntxqirq); for (i = 0; i < rxq->ifr_ntxqirq; i++) { txqid = rxq->ifr_txqid[i]; txq = &ctx->ifc_txqs[txqid]; bus_dmamap_sync(txq->ift_ifdi->idi_tag, txq->ift_ifdi->idi_map, BUS_DMASYNC_POSTREAD); if (!ctx->isc_txd_credits_update(sc, txqid, false)) { if (intr_legacy) intr_enable = true; else IFDI_TX_QUEUE_INTR_ENABLE(ctx, txqid); continue; } GROUPTASK_ENQUEUE(&txq->ift_task); } if (ctx->ifc_sctx->isc_flags & IFLIB_HAS_RXCQ) cidx = rxq->ifr_cq_cidx; else cidx = rxq->ifr_fl[0].ifl_cidx; if (iflib_rxd_avail(ctx, rxq, cidx, 1)) GROUPTASK_ENQUEUE(gtask); else { if (intr_legacy) intr_enable = true; else IFDI_RX_QUEUE_INTR_ENABLE(ctx, rxq->ifr_id); DBG_COUNTER_INC(rx_intr_enables); } if (intr_enable) IFDI_INTR_ENABLE(ctx); return (FILTER_HANDLED); } static int iflib_fast_intr_ctx(void *arg) { iflib_filter_info_t info = arg; - struct grouptask *gtask = info->ifi_task; + if_ctx_t ctx = info->ifi_ctx; int result; DBG_COUNTER_INC(fast_intrs); if (info->ifi_filter != NULL) { result = info->ifi_filter(info->ifi_filter_arg); if ((result & FILTER_SCHEDULE_THREAD) == 0) return (result); } - if (gtask->gt_taskqueue != NULL) - GROUPTASK_ENQUEUE(gtask); + taskqueue_enqueue(ctx->ifc_tq, &ctx->ifc_admin_task); return (FILTER_HANDLED); } static int _iflib_irq_alloc(if_ctx_t ctx, if_irq_t irq, int rid, driver_filter_t filter, driver_intr_t handler, void *arg, const char *name) { struct resource *res; void *tag = NULL; device_t dev = ctx->ifc_dev; int flags, i, rc; flags = RF_ACTIVE; if (ctx->ifc_flags & IFC_LEGACY) flags |= RF_SHAREABLE; MPASS(rid < 512); i = rid; res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, flags); if (res == NULL) { device_printf(dev, "failed to allocate IRQ for rid %d, name %s.\n", rid, name); return (ENOMEM); } irq->ii_res = res; KASSERT(filter == NULL || handler == NULL, ("filter and handler can't both be non-NULL")); rc = bus_setup_intr(dev, res, INTR_MPSAFE | INTR_TYPE_NET, filter, handler, arg, &tag); if (rc != 0) { device_printf(dev, "failed to setup interrupt for rid %d, name %s: %d\n", rid, name ? name : "unknown", rc); return (rc); } else if (name) bus_describe_intr(dev, res, tag, "%s", name); irq->ii_tag = tag; return (0); } /********************************************************************* * * Allocate DMA resources for TX buffers as well as memory for the TX * mbuf map. TX DMA maps (non-TSO/TSO) and TX mbuf map are kept in a * iflib_sw_tx_desc_array structure, storing all the information that * is needed to transmit a packet on the wire. This is called only * once at attach, setup is done every reset. * **********************************************************************/ static int iflib_txsd_alloc(iflib_txq_t txq) { if_ctx_t ctx = txq->ift_ctx; if_shared_ctx_t sctx = ctx->ifc_sctx; if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; device_t dev = ctx->ifc_dev; bus_size_t tsomaxsize; bus_addr_t lowaddr; int err, nsegments, ntsosegments; bool tso; nsegments = scctx->isc_tx_nsegments; ntsosegments = scctx->isc_tx_tso_segments_max; tsomaxsize = scctx->isc_tx_tso_size_max; if (if_getcapabilities(ctx->ifc_ifp) & IFCAP_VLAN_MTU) tsomaxsize += sizeof(struct ether_vlan_header); MPASS(scctx->isc_ntxd[0] > 0); MPASS(scctx->isc_ntxd[txq->ift_br_offset] > 0); MPASS(nsegments > 0); if (if_getcapabilities(ctx->ifc_ifp) & IFCAP_TSO) { MPASS(ntsosegments > 0); MPASS(sctx->isc_tso_maxsize >= tsomaxsize); } lowaddr = DMA_WIDTH_TO_BUS_LOWADDR(scctx->isc_dma_width); /* * Set up DMA tags for TX buffers. */ if ((err = bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0, /* alignment, bounds */ lowaddr, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ sctx->isc_tx_maxsize, /* maxsize */ nsegments, /* nsegments */ sctx->isc_tx_maxsegsize, /* maxsegsize */ 0, /* flags */ NULL, /* lockfunc */ NULL, /* lockfuncarg */ &txq->ift_buf_tag))) { device_printf(dev, "Unable to allocate TX DMA tag: %d\n", err); device_printf(dev, "maxsize: %ju nsegments: %d maxsegsize: %ju\n", (uintmax_t)sctx->isc_tx_maxsize, nsegments, (uintmax_t)sctx->isc_tx_maxsegsize); goto fail; } tso = (if_getcapabilities(ctx->ifc_ifp) & IFCAP_TSO) != 0; if (tso && (err = bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0, /* alignment, bounds */ lowaddr, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ tsomaxsize, /* maxsize */ ntsosegments, /* nsegments */ sctx->isc_tso_maxsegsize,/* maxsegsize */ 0, /* flags */ NULL, /* lockfunc */ NULL, /* lockfuncarg */ &txq->ift_tso_buf_tag))) { device_printf(dev, "Unable to allocate TSO TX DMA tag: %d\n", err); goto fail; } /* Allocate memory for the TX mbuf map. */ if (!(txq->ift_sds.ifsd_m = (struct mbuf **) malloc(sizeof(struct mbuf *) * scctx->isc_ntxd[txq->ift_br_offset], M_IFLIB, M_NOWAIT | M_ZERO))) { device_printf(dev, "Unable to allocate TX mbuf map memory\n"); err = ENOMEM; goto fail; } /* * Create the DMA maps for TX buffers. */ if ((txq->ift_sds.ifsd_map = (bus_dmamap_t *)malloc( sizeof(bus_dmamap_t) * scctx->isc_ntxd[txq->ift_br_offset], M_IFLIB, M_NOWAIT | M_ZERO)) == NULL) { device_printf(dev, "Unable to allocate TX buffer DMA map memory\n"); err = ENOMEM; goto fail; } if (tso && (txq->ift_sds.ifsd_tso_map = (bus_dmamap_t *)malloc( sizeof(bus_dmamap_t) * scctx->isc_ntxd[txq->ift_br_offset], M_IFLIB, M_NOWAIT | M_ZERO)) == NULL) { device_printf(dev, "Unable to allocate TSO TX buffer map memory\n"); err = ENOMEM; goto fail; } for (int i = 0; i < scctx->isc_ntxd[txq->ift_br_offset]; i++) { err = bus_dmamap_create(txq->ift_buf_tag, 0, &txq->ift_sds.ifsd_map[i]); if (err != 0) { device_printf(dev, "Unable to create TX DMA map\n"); goto fail; } if (!tso) continue; err = bus_dmamap_create(txq->ift_tso_buf_tag, 0, &txq->ift_sds.ifsd_tso_map[i]); if (err != 0) { device_printf(dev, "Unable to create TSO TX DMA map\n"); goto fail; } } return (0); fail: /* We free all, it handles case where we are in the middle */ iflib_tx_structures_free(ctx); return (err); } static void iflib_txsd_destroy(if_ctx_t ctx, iflib_txq_t txq, int i) { bus_dmamap_t map; if (txq->ift_sds.ifsd_map != NULL) { map = txq->ift_sds.ifsd_map[i]; bus_dmamap_sync(txq->ift_buf_tag, map, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(txq->ift_buf_tag, map); bus_dmamap_destroy(txq->ift_buf_tag, map); txq->ift_sds.ifsd_map[i] = NULL; } if (txq->ift_sds.ifsd_tso_map != NULL) { map = txq->ift_sds.ifsd_tso_map[i]; bus_dmamap_sync(txq->ift_tso_buf_tag, map, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(txq->ift_tso_buf_tag, map); bus_dmamap_destroy(txq->ift_tso_buf_tag, map); txq->ift_sds.ifsd_tso_map[i] = NULL; } } static void iflib_txq_destroy(iflib_txq_t txq) { if_ctx_t ctx = txq->ift_ctx; for (int i = 0; i < txq->ift_size; i++) iflib_txsd_destroy(ctx, txq, i); if (txq->ift_br != NULL) { ifmp_ring_free(txq->ift_br); txq->ift_br = NULL; } mtx_destroy(&txq->ift_mtx); if (txq->ift_sds.ifsd_map != NULL) { free(txq->ift_sds.ifsd_map, M_IFLIB); txq->ift_sds.ifsd_map = NULL; } if (txq->ift_sds.ifsd_tso_map != NULL) { free(txq->ift_sds.ifsd_tso_map, M_IFLIB); txq->ift_sds.ifsd_tso_map = NULL; } if (txq->ift_sds.ifsd_m != NULL) { free(txq->ift_sds.ifsd_m, M_IFLIB); txq->ift_sds.ifsd_m = NULL; } if (txq->ift_buf_tag != NULL) { bus_dma_tag_destroy(txq->ift_buf_tag); txq->ift_buf_tag = NULL; } if (txq->ift_tso_buf_tag != NULL) { bus_dma_tag_destroy(txq->ift_tso_buf_tag); txq->ift_tso_buf_tag = NULL; } if (txq->ift_ifdi != NULL) { free(txq->ift_ifdi, M_IFLIB); } } static void iflib_txsd_free(if_ctx_t ctx, iflib_txq_t txq, int i) { struct mbuf **mp; mp = &txq->ift_sds.ifsd_m[i]; if (*mp == NULL) return; if (txq->ift_sds.ifsd_map != NULL) { bus_dmamap_sync(txq->ift_buf_tag, txq->ift_sds.ifsd_map[i], BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(txq->ift_buf_tag, txq->ift_sds.ifsd_map[i]); } if (txq->ift_sds.ifsd_tso_map != NULL) { bus_dmamap_sync(txq->ift_tso_buf_tag, txq->ift_sds.ifsd_tso_map[i], BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(txq->ift_tso_buf_tag, txq->ift_sds.ifsd_tso_map[i]); } m_freem(*mp); DBG_COUNTER_INC(tx_frees); *mp = NULL; } static int iflib_txq_setup(iflib_txq_t txq) { if_ctx_t ctx = txq->ift_ctx; if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; if_shared_ctx_t sctx = ctx->ifc_sctx; iflib_dma_info_t di; int i; /* Set number of descriptors available */ txq->ift_qstatus = IFLIB_QUEUE_IDLE; /* XXX make configurable */ txq->ift_update_freq = IFLIB_DEFAULT_TX_UPDATE_FREQ; /* Reset indices */ txq->ift_cidx_processed = 0; txq->ift_pidx = txq->ift_cidx = txq->ift_npending = 0; txq->ift_size = scctx->isc_ntxd[txq->ift_br_offset]; for (i = 0, di = txq->ift_ifdi; i < sctx->isc_ntxqs; i++, di++) bzero((void *)di->idi_vaddr, di->idi_size); IFDI_TXQ_SETUP(ctx, txq->ift_id); for (i = 0, di = txq->ift_ifdi; i < sctx->isc_ntxqs; i++, di++) bus_dmamap_sync(di->idi_tag, di->idi_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); return (0); } /********************************************************************* * * Allocate DMA resources for RX buffers as well as memory for the RX * mbuf map, direct RX cluster pointer map and RX cluster bus address * map. RX DMA map, RX mbuf map, direct RX cluster pointer map and * RX cluster map are kept in a iflib_sw_rx_desc_array structure. * Since we use use one entry in iflib_sw_rx_desc_array per received * packet, the maximum number of entries we'll need is equal to the * number of hardware receive descriptors that we've allocated. * **********************************************************************/ static int iflib_rxsd_alloc(iflib_rxq_t rxq) { if_ctx_t ctx = rxq->ifr_ctx; if_shared_ctx_t sctx = ctx->ifc_sctx; if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; device_t dev = ctx->ifc_dev; iflib_fl_t fl; bus_addr_t lowaddr; int err; MPASS(scctx->isc_nrxd[0] > 0); MPASS(scctx->isc_nrxd[rxq->ifr_fl_offset] > 0); lowaddr = DMA_WIDTH_TO_BUS_LOWADDR(scctx->isc_dma_width); fl = rxq->ifr_fl; for (int i = 0; i < rxq->ifr_nfl; i++, fl++) { fl->ifl_size = scctx->isc_nrxd[rxq->ifr_fl_offset]; /* this isn't necessarily the same */ /* Set up DMA tag for RX buffers. */ err = bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */ 1, 0, /* alignment, bounds */ lowaddr, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ sctx->isc_rx_maxsize, /* maxsize */ sctx->isc_rx_nsegments, /* nsegments */ sctx->isc_rx_maxsegsize, /* maxsegsize */ 0, /* flags */ NULL, /* lockfunc */ NULL, /* lockarg */ &fl->ifl_buf_tag); if (err) { device_printf(dev, "Unable to allocate RX DMA tag: %d\n", err); goto fail; } /* Allocate memory for the RX mbuf map. */ if (!(fl->ifl_sds.ifsd_m = (struct mbuf **) malloc(sizeof(struct mbuf *) * scctx->isc_nrxd[rxq->ifr_fl_offset], M_IFLIB, M_NOWAIT | M_ZERO))) { device_printf(dev, "Unable to allocate RX mbuf map memory\n"); err = ENOMEM; goto fail; } /* Allocate memory for the direct RX cluster pointer map. */ if (!(fl->ifl_sds.ifsd_cl = (caddr_t *) malloc(sizeof(caddr_t) * scctx->isc_nrxd[rxq->ifr_fl_offset], M_IFLIB, M_NOWAIT | M_ZERO))) { device_printf(dev, "Unable to allocate RX cluster map memory\n"); err = ENOMEM; goto fail; } /* Allocate memory for the RX cluster bus address map. */ if (!(fl->ifl_sds.ifsd_ba = (bus_addr_t *) malloc(sizeof(bus_addr_t) * scctx->isc_nrxd[rxq->ifr_fl_offset], M_IFLIB, M_NOWAIT | M_ZERO))) { device_printf(dev, "Unable to allocate RX bus address map memory\n"); err = ENOMEM; goto fail; } /* * Create the DMA maps for RX buffers. */ if (!(fl->ifl_sds.ifsd_map = (bus_dmamap_t *) malloc(sizeof(bus_dmamap_t) * scctx->isc_nrxd[rxq->ifr_fl_offset], M_IFLIB, M_NOWAIT | M_ZERO))) { device_printf(dev, "Unable to allocate RX buffer DMA map memory\n"); err = ENOMEM; goto fail; } for (int i = 0; i < scctx->isc_nrxd[rxq->ifr_fl_offset]; i++) { err = bus_dmamap_create(fl->ifl_buf_tag, 0, &fl->ifl_sds.ifsd_map[i]); if (err != 0) { device_printf(dev, "Unable to create RX buffer DMA map\n"); goto fail; } } } return (0); fail: iflib_rx_structures_free(ctx); return (err); } /* * Internal service routines */ struct rxq_refill_cb_arg { int error; bus_dma_segment_t seg; int nseg; }; static void _rxq_refill_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error) { struct rxq_refill_cb_arg *cb_arg = arg; cb_arg->error = error; cb_arg->seg = segs[0]; cb_arg->nseg = nseg; } /** * iflib_fl_refill - refill an rxq free-buffer list * @ctx: the iflib context * @fl: the free list to refill * @count: the number of new buffers to allocate * * (Re)populate an rxq free-buffer list with up to @count new packet buffers. * The caller must assure that @count does not exceed the queue's capacity * minus one (since we always leave a descriptor unavailable). */ static uint8_t iflib_fl_refill(if_ctx_t ctx, iflib_fl_t fl, int count) { struct if_rxd_update iru; struct rxq_refill_cb_arg cb_arg; struct mbuf *m; caddr_t cl, *sd_cl; struct mbuf **sd_m; bus_dmamap_t *sd_map; bus_addr_t bus_addr, *sd_ba; int err, frag_idx, i, idx, n, pidx; qidx_t credits; MPASS(count <= fl->ifl_size - fl->ifl_credits - 1); sd_m = fl->ifl_sds.ifsd_m; sd_map = fl->ifl_sds.ifsd_map; sd_cl = fl->ifl_sds.ifsd_cl; sd_ba = fl->ifl_sds.ifsd_ba; pidx = fl->ifl_pidx; idx = pidx; frag_idx = fl->ifl_fragidx; credits = fl->ifl_credits; i = 0; n = count; MPASS(n > 0); MPASS(credits + n <= fl->ifl_size); if (pidx < fl->ifl_cidx) MPASS(pidx + n <= fl->ifl_cidx); if (pidx == fl->ifl_cidx && (credits < fl->ifl_size)) MPASS(fl->ifl_gen == 0); if (pidx > fl->ifl_cidx) MPASS(n <= fl->ifl_size - pidx + fl->ifl_cidx); DBG_COUNTER_INC(fl_refills); if (n > 8) DBG_COUNTER_INC(fl_refills_large); iru_init(&iru, fl->ifl_rxq, fl->ifl_id); while (n-- > 0) { /* * We allocate an uninitialized mbuf + cluster, mbuf is * initialized after rx. * * If the cluster is still set then we know a minimum sized * packet was received */ bit_ffc_at(fl->ifl_rx_bitmap, frag_idx, fl->ifl_size, &frag_idx); if (frag_idx < 0) bit_ffc(fl->ifl_rx_bitmap, fl->ifl_size, &frag_idx); MPASS(frag_idx >= 0); if ((cl = sd_cl[frag_idx]) == NULL) { cl = uma_zalloc(fl->ifl_zone, M_NOWAIT); if (__predict_false(cl == NULL)) break; cb_arg.error = 0; MPASS(sd_map != NULL); err = bus_dmamap_load(fl->ifl_buf_tag, sd_map[frag_idx], cl, fl->ifl_buf_size, _rxq_refill_cb, &cb_arg, BUS_DMA_NOWAIT); if (__predict_false(err != 0 || cb_arg.error)) { uma_zfree(fl->ifl_zone, cl); break; } sd_ba[frag_idx] = bus_addr = cb_arg.seg.ds_addr; sd_cl[frag_idx] = cl; #if MEMORY_LOGGING fl->ifl_cl_enqueued++; #endif } else { bus_addr = sd_ba[frag_idx]; } bus_dmamap_sync(fl->ifl_buf_tag, sd_map[frag_idx], BUS_DMASYNC_PREREAD); if (sd_m[frag_idx] == NULL) { m = m_gethdr_raw(M_NOWAIT, 0); if (__predict_false(m == NULL)) break; sd_m[frag_idx] = m; } bit_set(fl->ifl_rx_bitmap, frag_idx); #if MEMORY_LOGGING fl->ifl_m_enqueued++; #endif DBG_COUNTER_INC(rx_allocs); fl->ifl_rxd_idxs[i] = frag_idx; fl->ifl_bus_addrs[i] = bus_addr; credits++; i++; MPASS(credits <= fl->ifl_size); if (++idx == fl->ifl_size) { #ifdef INVARIANTS fl->ifl_gen = 1; #endif idx = 0; } if (n == 0 || i == IFLIB_MAX_RX_REFRESH) { iru.iru_pidx = pidx; iru.iru_count = i; ctx->isc_rxd_refill(ctx->ifc_softc, &iru); fl->ifl_pidx = idx; fl->ifl_credits = credits; pidx = idx; i = 0; } } if (n < count - 1) { if (i != 0) { iru.iru_pidx = pidx; iru.iru_count = i; ctx->isc_rxd_refill(ctx->ifc_softc, &iru); fl->ifl_pidx = idx; fl->ifl_credits = credits; } DBG_COUNTER_INC(rxd_flush); bus_dmamap_sync(fl->ifl_ifdi->idi_tag, fl->ifl_ifdi->idi_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); ctx->isc_rxd_flush(ctx->ifc_softc, fl->ifl_rxq->ifr_id, fl->ifl_id, fl->ifl_pidx); if (__predict_true(bit_test(fl->ifl_rx_bitmap, frag_idx))) { fl->ifl_fragidx = frag_idx + 1; if (fl->ifl_fragidx == fl->ifl_size) fl->ifl_fragidx = 0; } else { fl->ifl_fragidx = frag_idx; } } return (n == -1 ? 0 : IFLIB_RXEOF_EMPTY); } static inline uint8_t iflib_fl_refill_all(if_ctx_t ctx, iflib_fl_t fl) { /* * We leave an unused descriptor to avoid pidx to catch up with cidx. * This is important as it confuses most NICs. For instance, * Intel NICs have (per receive ring) RDH and RDT registers, where * RDH points to the next receive descriptor to be used by the NIC, * and RDT for the next receive descriptor to be published by the * driver to the NIC (RDT - 1 is thus the last valid one). * The condition RDH == RDT means no descriptors are available to * the NIC, and thus it would be ambiguous if it also meant that * all the descriptors are available to the NIC. */ int32_t reclaimable = fl->ifl_size - fl->ifl_credits - 1; #ifdef INVARIANTS int32_t delta = fl->ifl_size - get_inuse(fl->ifl_size, fl->ifl_cidx, fl->ifl_pidx, fl->ifl_gen) - 1; #endif MPASS(fl->ifl_credits <= fl->ifl_size); MPASS(reclaimable == delta); if (reclaimable > 0) return (iflib_fl_refill(ctx, fl, reclaimable)); return (0); } uint8_t iflib_in_detach(if_ctx_t ctx) { bool in_detach; STATE_LOCK(ctx); in_detach = !!(ctx->ifc_flags & IFC_IN_DETACH); STATE_UNLOCK(ctx); return (in_detach); } static void iflib_fl_bufs_free(iflib_fl_t fl) { iflib_dma_info_t idi = fl->ifl_ifdi; bus_dmamap_t sd_map; uint32_t i; for (i = 0; i < fl->ifl_size; i++) { struct mbuf **sd_m = &fl->ifl_sds.ifsd_m[i]; caddr_t *sd_cl = &fl->ifl_sds.ifsd_cl[i]; if (*sd_cl != NULL) { sd_map = fl->ifl_sds.ifsd_map[i]; bus_dmamap_sync(fl->ifl_buf_tag, sd_map, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(fl->ifl_buf_tag, sd_map); uma_zfree(fl->ifl_zone, *sd_cl); *sd_cl = NULL; if (*sd_m != NULL) { m_init(*sd_m, M_NOWAIT, MT_DATA, 0); m_free_raw(*sd_m); *sd_m = NULL; } } else { MPASS(*sd_m == NULL); } #if MEMORY_LOGGING fl->ifl_m_dequeued++; fl->ifl_cl_dequeued++; #endif } #ifdef INVARIANTS for (i = 0; i < fl->ifl_size; i++) { MPASS(fl->ifl_sds.ifsd_cl[i] == NULL); MPASS(fl->ifl_sds.ifsd_m[i] == NULL); } #endif /* * Reset free list values */ fl->ifl_credits = fl->ifl_cidx = fl->ifl_pidx = fl->ifl_gen = fl->ifl_fragidx = 0; bzero(idi->idi_vaddr, idi->idi_size); } /********************************************************************* * * Initialize a free list and its buffers. * **********************************************************************/ static int iflib_fl_setup(iflib_fl_t fl) { iflib_rxq_t rxq = fl->ifl_rxq; if_ctx_t ctx = rxq->ifr_ctx; if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; int qidx; bit_nclear(fl->ifl_rx_bitmap, 0, fl->ifl_size - 1); /* * Free current RX buffer structs and their mbufs */ iflib_fl_bufs_free(fl); /* Now replenish the mbufs */ MPASS(fl->ifl_credits == 0); qidx = rxq->ifr_fl_offset + fl->ifl_id; if (scctx->isc_rxd_buf_size[qidx] != 0) fl->ifl_buf_size = scctx->isc_rxd_buf_size[qidx]; else fl->ifl_buf_size = ctx->ifc_rx_mbuf_sz; /* * ifl_buf_size may be a driver-supplied value, so pull it up * to the selected mbuf size. */ fl->ifl_buf_size = iflib_get_mbuf_size_for(fl->ifl_buf_size); if (fl->ifl_buf_size > ctx->ifc_max_fl_buf_size) ctx->ifc_max_fl_buf_size = fl->ifl_buf_size; fl->ifl_cltype = m_gettype(fl->ifl_buf_size); fl->ifl_zone = m_getzone(fl->ifl_buf_size); /* * Avoid pre-allocating zillions of clusters to an idle card * potentially speeding up attach. In any case make sure * to leave a descriptor unavailable. See the comment in * iflib_fl_refill_all(). */ MPASS(fl->ifl_size > 0); (void)iflib_fl_refill(ctx, fl, min(128, fl->ifl_size - 1)); if (min(128, fl->ifl_size - 1) != fl->ifl_credits) return (ENOBUFS); /* * handle failure */ MPASS(rxq != NULL); MPASS(fl->ifl_ifdi != NULL); bus_dmamap_sync(fl->ifl_ifdi->idi_tag, fl->ifl_ifdi->idi_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); return (0); } /********************************************************************* * * Free receive ring data structures * **********************************************************************/ static void iflib_rx_sds_free(iflib_rxq_t rxq) { iflib_fl_t fl; int i, j; if (rxq->ifr_fl != NULL) { for (i = 0; i < rxq->ifr_nfl; i++) { fl = &rxq->ifr_fl[i]; if (fl->ifl_buf_tag != NULL) { if (fl->ifl_sds.ifsd_map != NULL) { for (j = 0; j < fl->ifl_size; j++) { bus_dmamap_sync( fl->ifl_buf_tag, fl->ifl_sds.ifsd_map[j], BUS_DMASYNC_POSTREAD); bus_dmamap_unload( fl->ifl_buf_tag, fl->ifl_sds.ifsd_map[j]); bus_dmamap_destroy( fl->ifl_buf_tag, fl->ifl_sds.ifsd_map[j]); } } bus_dma_tag_destroy(fl->ifl_buf_tag); fl->ifl_buf_tag = NULL; } free(fl->ifl_sds.ifsd_m, M_IFLIB); free(fl->ifl_sds.ifsd_cl, M_IFLIB); free(fl->ifl_sds.ifsd_ba, M_IFLIB); free(fl->ifl_sds.ifsd_map, M_IFLIB); free(fl->ifl_rx_bitmap, M_IFLIB); fl->ifl_sds.ifsd_m = NULL; fl->ifl_sds.ifsd_cl = NULL; fl->ifl_sds.ifsd_ba = NULL; fl->ifl_sds.ifsd_map = NULL; fl->ifl_rx_bitmap = NULL; } free(rxq->ifr_fl, M_IFLIB); rxq->ifr_fl = NULL; free(rxq->ifr_ifdi, M_IFLIB); rxq->ifr_ifdi = NULL; rxq->ifr_cq_cidx = 0; } } /* * Timer routine */ static void iflib_timer(void *arg) { iflib_txq_t txq = arg; if_ctx_t ctx = txq->ift_ctx; if_softc_ctx_t sctx = &ctx->ifc_softc_ctx; uint64_t this_tick = ticks; if (!(if_getdrvflags(ctx->ifc_ifp) & IFF_DRV_RUNNING)) return; /* ** Check on the state of the TX queue(s), this ** can be done without the lock because its RO ** and the HUNG state will be static if set. */ if (this_tick - txq->ift_last_timer_tick >= iflib_timer_default) { txq->ift_last_timer_tick = this_tick; IFDI_TIMER(ctx, txq->ift_id); if ((txq->ift_qstatus == IFLIB_QUEUE_HUNG) && ((txq->ift_cleaned_prev == txq->ift_cleaned) || (sctx->isc_pause_frames == 0))) goto hung; if (txq->ift_qstatus != IFLIB_QUEUE_IDLE && ifmp_ring_is_stalled(txq->ift_br)) { KASSERT(ctx->ifc_link_state == LINK_STATE_UP, ("queue can't be marked as hung if interface is down")); txq->ift_qstatus = IFLIB_QUEUE_HUNG; } txq->ift_cleaned_prev = txq->ift_cleaned; } /* handle any laggards */ if (txq->ift_db_pending) GROUPTASK_ENQUEUE(&txq->ift_task); sctx->isc_pause_frames = 0; if (if_getdrvflags(ctx->ifc_ifp) & IFF_DRV_RUNNING) callout_reset_on(&txq->ift_timer, iflib_timer_default, iflib_timer, txq, txq->ift_timer.c_cpu); return; hung: device_printf(ctx->ifc_dev, "Watchdog timeout (TX: %d desc avail: %d pidx: %d) -- resetting\n", txq->ift_id, TXQ_AVAIL(txq), txq->ift_pidx); STATE_LOCK(ctx); if_setdrvflagbits(ctx->ifc_ifp, IFF_DRV_OACTIVE, IFF_DRV_RUNNING); ctx->ifc_flags |= (IFC_DO_WATCHDOG | IFC_DO_RESET); iflib_admin_intr_deferred(ctx); STATE_UNLOCK(ctx); } static uint16_t iflib_get_mbuf_size_for(unsigned int size) { if (size <= MCLBYTES) return (MCLBYTES); else return (MJUMPAGESIZE); } static void iflib_calc_rx_mbuf_sz(if_ctx_t ctx) { if_softc_ctx_t sctx = &ctx->ifc_softc_ctx; /* * XXX don't set the max_frame_size to larger * than the hardware can handle */ ctx->ifc_rx_mbuf_sz = iflib_get_mbuf_size_for(sctx->isc_max_frame_size); } uint32_t iflib_get_rx_mbuf_sz(if_ctx_t ctx) { return (ctx->ifc_rx_mbuf_sz); } static void iflib_init_locked(if_ctx_t ctx) { if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; if_t ifp = ctx->ifc_ifp; iflib_fl_t fl; iflib_txq_t txq; iflib_rxq_t rxq; int i, j, tx_ip_csum_flags, tx_ip6_csum_flags; if_setdrvflagbits(ifp, IFF_DRV_OACTIVE, IFF_DRV_RUNNING); IFDI_INTR_DISABLE(ctx); /* * See iflib_stop(). Useful in case iflib_init_locked() is * called without first calling iflib_stop(). */ netmap_disable_all_rings(ifp); tx_ip_csum_flags = scctx->isc_tx_csum_flags & (CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_SCTP); tx_ip6_csum_flags = scctx->isc_tx_csum_flags & (CSUM_IP6_TCP | CSUM_IP6_UDP | CSUM_IP6_SCTP); /* Set hardware offload abilities */ if_clearhwassist(ifp); if (if_getcapenable(ifp) & IFCAP_TXCSUM) if_sethwassistbits(ifp, tx_ip_csum_flags, 0); if (if_getcapenable(ifp) & IFCAP_TXCSUM_IPV6) if_sethwassistbits(ifp, tx_ip6_csum_flags, 0); if (if_getcapenable(ifp) & IFCAP_TSO4) if_sethwassistbits(ifp, CSUM_IP_TSO, 0); if (if_getcapenable(ifp) & IFCAP_TSO6) if_sethwassistbits(ifp, CSUM_IP6_TSO, 0); for (i = 0, txq = ctx->ifc_txqs; i < scctx->isc_ntxqsets; i++, txq++) { CALLOUT_LOCK(txq); callout_stop(&txq->ift_timer); #ifdef DEV_NETMAP callout_stop(&txq->ift_netmap_timer); #endif /* DEV_NETMAP */ CALLOUT_UNLOCK(txq); (void)iflib_netmap_txq_init(ctx, txq); } /* * Calculate a suitable Rx mbuf size prior to calling IFDI_INIT, so * that drivers can use the value when setting up the hardware receive * buffers. */ iflib_calc_rx_mbuf_sz(ctx); #ifdef INVARIANTS i = if_getdrvflags(ifp); #endif IFDI_INIT(ctx); MPASS(if_getdrvflags(ifp) == i); for (i = 0, rxq = ctx->ifc_rxqs; i < scctx->isc_nrxqsets; i++, rxq++) { if (iflib_netmap_rxq_init(ctx, rxq) > 0) { /* This rxq is in netmap mode. Skip normal init. */ continue; } for (j = 0, fl = rxq->ifr_fl; j < rxq->ifr_nfl; j++, fl++) { if (iflib_fl_setup(fl)) { device_printf(ctx->ifc_dev, "setting up free list %d failed - " "check cluster settings\n", j); goto done; } } } done: if_setdrvflagbits(ctx->ifc_ifp, IFF_DRV_RUNNING, IFF_DRV_OACTIVE); IFDI_INTR_ENABLE(ctx); txq = ctx->ifc_txqs; for (i = 0; i < scctx->isc_ntxqsets; i++, txq++) callout_reset_on(&txq->ift_timer, iflib_timer_default, iflib_timer, txq, txq->ift_timer.c_cpu); /* Re-enable txsync/rxsync. */ netmap_enable_all_rings(ifp); } static int iflib_media_change(if_t ifp) { if_ctx_t ctx = if_getsoftc(ifp); int err; CTX_LOCK(ctx); if ((err = IFDI_MEDIA_CHANGE(ctx)) == 0) iflib_if_init_locked(ctx); CTX_UNLOCK(ctx); return (err); } static void iflib_media_status(if_t ifp, struct ifmediareq *ifmr) { if_ctx_t ctx = if_getsoftc(ifp); CTX_LOCK(ctx); IFDI_UPDATE_ADMIN_STATUS(ctx); IFDI_MEDIA_STATUS(ctx, ifmr); CTX_UNLOCK(ctx); } static void iflib_stop(if_ctx_t ctx) { iflib_txq_t txq = ctx->ifc_txqs; iflib_rxq_t rxq = ctx->ifc_rxqs; if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; if_shared_ctx_t sctx = ctx->ifc_sctx; iflib_dma_info_t di; iflib_fl_t fl; int i, j; /* Tell the stack that the interface is no longer active */ if_setdrvflagbits(ctx->ifc_ifp, IFF_DRV_OACTIVE, IFF_DRV_RUNNING); IFDI_INTR_DISABLE(ctx); DELAY(1000); IFDI_STOP(ctx); DELAY(1000); /* * Stop any pending txsync/rxsync and prevent new ones * form starting. Processes blocked in poll() will get * POLLERR. */ netmap_disable_all_rings(ctx->ifc_ifp); iflib_debug_reset(); /* Wait for current tx queue users to exit to disarm watchdog timer. */ for (i = 0; i < scctx->isc_ntxqsets; i++, txq++) { /* make sure all transmitters have completed before proceeding XXX */ CALLOUT_LOCK(txq); callout_stop(&txq->ift_timer); #ifdef DEV_NETMAP callout_stop(&txq->ift_netmap_timer); #endif /* DEV_NETMAP */ CALLOUT_UNLOCK(txq); /* clean any enqueued buffers */ iflib_ifmp_purge(txq); /* Free any existing tx buffers. */ for (j = 0; j < txq->ift_size; j++) { iflib_txsd_free(ctx, txq, j); } txq->ift_processed = txq->ift_cleaned = txq->ift_cidx_processed = 0; txq->ift_in_use = txq->ift_gen = txq->ift_no_desc_avail = 0; if (sctx->isc_flags & IFLIB_PRESERVE_TX_INDICES) txq->ift_cidx = txq->ift_pidx; else txq->ift_cidx = txq->ift_pidx = 0; txq->ift_closed = txq->ift_mbuf_defrag = txq->ift_mbuf_defrag_failed = 0; txq->ift_no_tx_dma_setup = txq->ift_txd_encap_efbig = txq->ift_map_failed = 0; txq->ift_pullups = 0; ifmp_ring_reset_stats(txq->ift_br); for (j = 0, di = txq->ift_ifdi; j < sctx->isc_ntxqs; j++, di++) bzero((void *)di->idi_vaddr, di->idi_size); } for (i = 0; i < scctx->isc_nrxqsets; i++, rxq++) { if (rxq->ifr_task.gt_taskqueue != NULL) gtaskqueue_drain(rxq->ifr_task.gt_taskqueue, &rxq->ifr_task.gt_task); rxq->ifr_cq_cidx = 0; for (j = 0, di = rxq->ifr_ifdi; j < sctx->isc_nrxqs; j++, di++) bzero((void *)di->idi_vaddr, di->idi_size); /* also resets the free lists pidx/cidx */ for (j = 0, fl = rxq->ifr_fl; j < rxq->ifr_nfl; j++, fl++) iflib_fl_bufs_free(fl); } } static inline caddr_t calc_next_rxd(iflib_fl_t fl, int cidx) { qidx_t size; int nrxd; caddr_t start, end, cur, next; nrxd = fl->ifl_size; size = fl->ifl_rxd_size; start = fl->ifl_ifdi->idi_vaddr; if (__predict_false(size == 0)) return (start); cur = start + size * cidx; end = start + size * nrxd; next = CACHE_PTR_NEXT(cur); return (next < end ? next : start); } static inline void prefetch_pkts(iflib_fl_t fl, int cidx) { int nextptr; int nrxd = fl->ifl_size; caddr_t next_rxd; nextptr = (cidx + CACHE_PTR_INCREMENT) & (nrxd - 1); prefetch(&fl->ifl_sds.ifsd_m[nextptr]); prefetch(&fl->ifl_sds.ifsd_cl[nextptr]); next_rxd = calc_next_rxd(fl, cidx); prefetch(next_rxd); prefetch(fl->ifl_sds.ifsd_m[(cidx + 1) & (nrxd - 1)]); prefetch(fl->ifl_sds.ifsd_m[(cidx + 2) & (nrxd - 1)]); prefetch(fl->ifl_sds.ifsd_m[(cidx + 3) & (nrxd - 1)]); prefetch(fl->ifl_sds.ifsd_m[(cidx + 4) & (nrxd - 1)]); prefetch(fl->ifl_sds.ifsd_cl[(cidx + 1) & (nrxd - 1)]); prefetch(fl->ifl_sds.ifsd_cl[(cidx + 2) & (nrxd - 1)]); prefetch(fl->ifl_sds.ifsd_cl[(cidx + 3) & (nrxd - 1)]); prefetch(fl->ifl_sds.ifsd_cl[(cidx + 4) & (nrxd - 1)]); } static struct mbuf * rxd_frag_to_sd(iflib_rxq_t rxq, if_rxd_frag_t irf, bool unload, if_rxsd_t sd, int *pf_rv, if_rxd_info_t ri) { bus_dmamap_t map; iflib_fl_t fl; caddr_t payload; struct mbuf *m; int flid, cidx, len, next; map = NULL; flid = irf->irf_flid; cidx = irf->irf_idx; fl = &rxq->ifr_fl[flid]; sd->ifsd_fl = fl; sd->ifsd_cl = &fl->ifl_sds.ifsd_cl[cidx]; fl->ifl_credits--; #if MEMORY_LOGGING fl->ifl_m_dequeued++; #endif if (rxq->ifr_ctx->ifc_flags & IFC_PREFETCH) prefetch_pkts(fl, cidx); next = (cidx + CACHE_PTR_INCREMENT) & (fl->ifl_size - 1); prefetch(&fl->ifl_sds.ifsd_map[next]); map = fl->ifl_sds.ifsd_map[cidx]; bus_dmamap_sync(fl->ifl_buf_tag, map, BUS_DMASYNC_POSTREAD); if (rxq->pfil != NULL && PFIL_HOOKED_IN(rxq->pfil) && pf_rv != NULL && irf->irf_len != 0) { payload = *sd->ifsd_cl; payload += ri->iri_pad; len = ri->iri_len - ri->iri_pad; *pf_rv = pfil_mem_in(rxq->pfil, payload, len, ri->iri_ifp, &m); switch (*pf_rv) { case PFIL_DROPPED: case PFIL_CONSUMED: /* * The filter ate it. Everything is recycled. */ m = NULL; unload = 0; break; case PFIL_REALLOCED: /* * The filter copied it. Everything is recycled. * 'm' points at new mbuf. */ unload = 0; break; case PFIL_PASS: /* * Filter said it was OK, so receive like * normal */ m = fl->ifl_sds.ifsd_m[cidx]; fl->ifl_sds.ifsd_m[cidx] = NULL; break; default: MPASS(0); } } else { m = fl->ifl_sds.ifsd_m[cidx]; fl->ifl_sds.ifsd_m[cidx] = NULL; if (pf_rv != NULL) *pf_rv = PFIL_PASS; } if (unload && irf->irf_len != 0) bus_dmamap_unload(fl->ifl_buf_tag, map); fl->ifl_cidx = (fl->ifl_cidx + 1) & (fl->ifl_size - 1); if (__predict_false(fl->ifl_cidx == 0)) fl->ifl_gen = 0; bit_clear(fl->ifl_rx_bitmap, cidx); return (m); } static struct mbuf * assemble_segments(iflib_rxq_t rxq, if_rxd_info_t ri, if_rxsd_t sd, int *pf_rv) { struct mbuf *m, *mh, *mt; caddr_t cl; int *pf_rv_ptr, flags, i, padlen; bool consumed; i = 0; mh = NULL; consumed = false; *pf_rv = PFIL_PASS; pf_rv_ptr = pf_rv; do { m = rxd_frag_to_sd(rxq, &ri->iri_frags[i], !consumed, sd, pf_rv_ptr, ri); MPASS(*sd->ifsd_cl != NULL); /* * Exclude zero-length frags & frags from * packets the filter has consumed or dropped */ if (ri->iri_frags[i].irf_len == 0 || consumed || *pf_rv == PFIL_CONSUMED || *pf_rv == PFIL_DROPPED) { if (mh == NULL) { /* everything saved here */ consumed = true; pf_rv_ptr = NULL; continue; } /* XXX we can save the cluster here, but not the mbuf */ m_init(m, M_NOWAIT, MT_DATA, 0); m_free(m); continue; } if (mh == NULL) { flags = M_PKTHDR | M_EXT; mh = mt = m; padlen = ri->iri_pad; } else { flags = M_EXT; mt->m_next = m; mt = m; /* assuming padding is only on the first fragment */ padlen = 0; } cl = *sd->ifsd_cl; *sd->ifsd_cl = NULL; /* Can these two be made one ? */ m_init(m, M_NOWAIT, MT_DATA, flags); m_cljset(m, cl, sd->ifsd_fl->ifl_cltype); /* * These must follow m_init and m_cljset */ m->m_data += padlen; ri->iri_len -= padlen; m->m_len = ri->iri_frags[i].irf_len; } while (++i < ri->iri_nfrags); return (mh); } /* * Process one software descriptor */ static struct mbuf * iflib_rxd_pkt_get(iflib_rxq_t rxq, if_rxd_info_t ri) { struct if_rxsd sd; struct mbuf *m; int pf_rv; /* should I merge this back in now that the two paths are basically duplicated? */ if (ri->iri_nfrags == 1 && ri->iri_frags[0].irf_len != 0 && ri->iri_frags[0].irf_len <= MIN(IFLIB_RX_COPY_THRESH, MHLEN)) { m = rxd_frag_to_sd(rxq, &ri->iri_frags[0], false, &sd, &pf_rv, ri); if (pf_rv != PFIL_PASS && pf_rv != PFIL_REALLOCED) return (m); if (pf_rv == PFIL_PASS) { m_init(m, M_NOWAIT, MT_DATA, M_PKTHDR); #ifndef __NO_STRICT_ALIGNMENT if (!IP_ALIGNED(m) && ri->iri_pad == 0) m->m_data += 2; #endif memcpy(m->m_data, *sd.ifsd_cl, ri->iri_len); m->m_len = ri->iri_frags[0].irf_len; m->m_data += ri->iri_pad; ri->iri_len -= ri->iri_pad; } } else { m = assemble_segments(rxq, ri, &sd, &pf_rv); if (m == NULL) return (NULL); if (pf_rv != PFIL_PASS && pf_rv != PFIL_REALLOCED) return (m); } m->m_pkthdr.len = ri->iri_len; m->m_pkthdr.rcvif = ri->iri_ifp; m->m_flags |= ri->iri_flags; m->m_pkthdr.ether_vtag = ri->iri_vtag; m->m_pkthdr.flowid = ri->iri_flowid; #ifdef NUMA m->m_pkthdr.numa_domain = if_getnumadomain(ri->iri_ifp); #endif M_HASHTYPE_SET(m, ri->iri_rsstype); m->m_pkthdr.csum_flags = ri->iri_csum_flags; m->m_pkthdr.csum_data = ri->iri_csum_data; return (m); } #if defined(INET6) || defined(INET) static void iflib_get_ip_forwarding(struct lro_ctrl *lc, bool *v4, bool *v6) { CURVNET_SET(if_getvnet(lc->ifp)); #if defined(INET6) *v6 = V_ip6_forwarding; #endif #if defined(INET) *v4 = V_ipforwarding; #endif CURVNET_RESTORE(); } /* * Returns true if it's possible this packet could be LROed. * if it returns false, it is guaranteed that tcp_lro_rx() * would not return zero. */ static bool iflib_check_lro_possible(struct mbuf *m, bool v4_forwarding, bool v6_forwarding) { struct ether_header *eh; eh = mtod(m, struct ether_header *); switch (eh->ether_type) { #if defined(INET6) case htons(ETHERTYPE_IPV6): return (!v6_forwarding); #endif #if defined(INET) case htons(ETHERTYPE_IP): return (!v4_forwarding); #endif } return (false); } #else static void iflib_get_ip_forwarding(struct lro_ctrl *lc __unused, bool *v4 __unused, bool *v6 __unused) { } #endif static void _task_fn_rx_watchdog(void *context) { iflib_rxq_t rxq = context; GROUPTASK_ENQUEUE(&rxq->ifr_task); } static uint8_t iflib_rxeof(iflib_rxq_t rxq, qidx_t budget) { if_t ifp; if_ctx_t ctx = rxq->ifr_ctx; if_shared_ctx_t sctx = ctx->ifc_sctx; if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; int avail, i; qidx_t *cidxp; struct if_rxd_info ri; int err, budget_left, rx_bytes, rx_pkts; iflib_fl_t fl; int lro_enabled; bool v4_forwarding, v6_forwarding, lro_possible; uint8_t retval = 0; /* * XXX early demux data packets so that if_input processing only handles * acks in interrupt context */ struct mbuf *m, *mh, *mt, *mf; NET_EPOCH_ASSERT(); lro_possible = v4_forwarding = v6_forwarding = false; ifp = ctx->ifc_ifp; mh = mt = NULL; MPASS(budget > 0); rx_pkts = rx_bytes = 0; if (sctx->isc_flags & IFLIB_HAS_RXCQ) cidxp = &rxq->ifr_cq_cidx; else cidxp = &rxq->ifr_fl[0].ifl_cidx; if ((avail = iflib_rxd_avail(ctx, rxq, *cidxp, budget)) == 0) { for (i = 0, fl = &rxq->ifr_fl[0]; i < sctx->isc_nfl; i++, fl++) retval |= iflib_fl_refill_all(ctx, fl); DBG_COUNTER_INC(rx_unavail); return (retval); } /* pfil needs the vnet to be set */ CURVNET_SET_QUIET(if_getvnet(ifp)); for (budget_left = budget; budget_left > 0 && avail > 0;) { if (__predict_false(!CTX_ACTIVE(ctx))) { DBG_COUNTER_INC(rx_ctx_inactive); break; } /* * Reset client set fields to their default values */ rxd_info_zero(&ri); ri.iri_qsidx = rxq->ifr_id; ri.iri_cidx = *cidxp; ri.iri_ifp = ifp; ri.iri_frags = rxq->ifr_frags; err = ctx->isc_rxd_pkt_get(ctx->ifc_softc, &ri); if (err) goto err; rx_pkts += 1; rx_bytes += ri.iri_len; if (sctx->isc_flags & IFLIB_HAS_RXCQ) { *cidxp = ri.iri_cidx; /* Update our consumer index */ /* XXX NB: shurd - check if this is still safe */ while (rxq->ifr_cq_cidx >= scctx->isc_nrxd[0]) rxq->ifr_cq_cidx -= scctx->isc_nrxd[0]; /* was this only a completion queue message? */ if (__predict_false(ri.iri_nfrags == 0)) continue; } MPASS(ri.iri_nfrags != 0); MPASS(ri.iri_len != 0); /* will advance the cidx on the corresponding free lists */ m = iflib_rxd_pkt_get(rxq, &ri); avail--; budget_left--; if (avail == 0 && budget_left) avail = iflib_rxd_avail(ctx, rxq, *cidxp, budget_left); if (__predict_false(m == NULL)) continue; /* imm_pkt: -- cxgb */ if (mh == NULL) mh = mt = m; else { mt->m_nextpkt = m; mt = m; } } CURVNET_RESTORE(); /* make sure that we can refill faster than drain */ for (i = 0, fl = &rxq->ifr_fl[0]; i < sctx->isc_nfl; i++, fl++) retval |= iflib_fl_refill_all(ctx, fl); lro_enabled = (if_getcapenable(ifp) & IFCAP_LRO); if (lro_enabled) iflib_get_ip_forwarding(&rxq->ifr_lc, &v4_forwarding, &v6_forwarding); mt = mf = NULL; while (mh != NULL) { m = mh; mh = mh->m_nextpkt; m->m_nextpkt = NULL; #ifndef __NO_STRICT_ALIGNMENT if (!IP_ALIGNED(m) && (m = iflib_fixup_rx(m)) == NULL) continue; #endif #if defined(INET6) || defined(INET) if (lro_enabled) { if (!lro_possible) { lro_possible = iflib_check_lro_possible(m, v4_forwarding, v6_forwarding); if (lro_possible && mf != NULL) { if_input(ifp, mf); DBG_COUNTER_INC(rx_if_input); mt = mf = NULL; } } if ((m->m_pkthdr.csum_flags & (CSUM_L4_CALC | CSUM_L4_VALID)) == (CSUM_L4_CALC | CSUM_L4_VALID)) { if (lro_possible && tcp_lro_rx(&rxq->ifr_lc, m, 0) == 0) continue; } } #endif if (lro_possible) { if_input(ifp, m); DBG_COUNTER_INC(rx_if_input); continue; } if (mf == NULL) mf = m; if (mt != NULL) mt->m_nextpkt = m; mt = m; } if (mf != NULL) { if_input(ifp, mf); DBG_COUNTER_INC(rx_if_input); } if_inc_counter(ifp, IFCOUNTER_IBYTES, rx_bytes); if_inc_counter(ifp, IFCOUNTER_IPACKETS, rx_pkts); /* * Flush any outstanding LRO work */ #if defined(INET6) || defined(INET) tcp_lro_flush_all(&rxq->ifr_lc); #endif if (avail != 0 || iflib_rxd_avail(ctx, rxq, *cidxp, 1) != 0) retval |= IFLIB_RXEOF_MORE; return (retval); err: STATE_LOCK(ctx); ctx->ifc_flags |= IFC_DO_RESET; iflib_admin_intr_deferred(ctx); STATE_UNLOCK(ctx); return (0); } #define TXD_NOTIFY_COUNT(txq) (((txq)->ift_size / (txq)->ift_update_freq) - 1) static inline qidx_t txq_max_db_deferred(iflib_txq_t txq, qidx_t in_use) { qidx_t notify_count = TXD_NOTIFY_COUNT(txq); qidx_t minthresh = txq->ift_size / 8; if (in_use > 4 * minthresh) return (notify_count); if (in_use > 2 * minthresh) return (notify_count >> 1); if (in_use > minthresh) return (notify_count >> 3); return (0); } static inline qidx_t txq_max_rs_deferred(iflib_txq_t txq) { qidx_t notify_count = TXD_NOTIFY_COUNT(txq); qidx_t minthresh = txq->ift_size / 8; if (txq->ift_in_use > 4 * minthresh) return (notify_count); if (txq->ift_in_use > 2 * minthresh) return (notify_count >> 1); if (txq->ift_in_use > minthresh) return (notify_count >> 2); return (2); } #define M_CSUM_FLAGS(m) ((m)->m_pkthdr.csum_flags) #define M_HAS_VLANTAG(m) (m->m_flags & M_VLANTAG) #define TXQ_MAX_DB_DEFERRED(txq, in_use) txq_max_db_deferred((txq), (in_use)) #define TXQ_MAX_RS_DEFERRED(txq) txq_max_rs_deferred(txq) #define TXQ_MAX_DB_CONSUMED(size) (size >> 4) /* forward compatibility for cxgb */ #define FIRST_QSET(ctx) 0 #define NTXQSETS(ctx) ((ctx)->ifc_softc_ctx.isc_ntxqsets) #define NRXQSETS(ctx) ((ctx)->ifc_softc_ctx.isc_nrxqsets) #define QIDX(ctx, m) ((((m)->m_pkthdr.flowid & ctx->ifc_softc_ctx.isc_rss_table_mask) % NTXQSETS(ctx)) + FIRST_QSET(ctx)) #define DESC_RECLAIMABLE(q) ((int)((q)->ift_processed - (q)->ift_cleaned - (q)->ift_ctx->ifc_softc_ctx.isc_tx_nsegments)) /* XXX we should be setting this to something other than zero */ #define RECLAIM_THRESH(ctx) ((ctx)->ifc_sctx->isc_tx_reclaim_thresh) #define MAX_TX_DESC(ctx) MAX((ctx)->ifc_softc_ctx.isc_tx_tso_segments_max, \ (ctx)->ifc_softc_ctx.isc_tx_nsegments) static inline bool iflib_txd_db_check(iflib_txq_t txq, int ring) { if_ctx_t ctx = txq->ift_ctx; qidx_t dbval, max; max = TXQ_MAX_DB_DEFERRED(txq, txq->ift_in_use); /* force || threshold exceeded || at the edge of the ring */ if (ring || (txq->ift_db_pending >= max) || (TXQ_AVAIL(txq) <= MAX_TX_DESC(ctx) + 2)) { /* * 'npending' is used if the card's doorbell is in terms of the number of descriptors * pending flush (BRCM). 'pidx' is used in cases where the card's doorbeel uses the * producer index explicitly (INTC). */ dbval = txq->ift_npending ? txq->ift_npending : txq->ift_pidx; bus_dmamap_sync(txq->ift_ifdi->idi_tag, txq->ift_ifdi->idi_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); ctx->isc_txd_flush(ctx->ifc_softc, txq->ift_id, dbval); /* * Absent bugs there are zero packets pending so reset pending counts to zero. */ txq->ift_db_pending = txq->ift_npending = 0; return (true); } return (false); } #ifdef PKT_DEBUG static void print_pkt(if_pkt_info_t pi) { printf("pi len: %d qsidx: %d nsegs: %d ndescs: %d flags: %x pidx: %d\n", pi->ipi_len, pi->ipi_qsidx, pi->ipi_nsegs, pi->ipi_ndescs, pi->ipi_flags, pi->ipi_pidx); printf("pi new_pidx: %d csum_flags: %lx tso_segsz: %d mflags: %x vtag: %d\n", pi->ipi_new_pidx, pi->ipi_csum_flags, pi->ipi_tso_segsz, pi->ipi_mflags, pi->ipi_vtag); printf("pi etype: %d ehdrlen: %d ip_hlen: %d ipproto: %d\n", pi->ipi_etype, pi->ipi_ehdrlen, pi->ipi_ip_hlen, pi->ipi_ipproto); } #endif #define IS_TSO4(pi) ((pi)->ipi_csum_flags & CSUM_IP_TSO) #define IS_TX_OFFLOAD4(pi) ((pi)->ipi_csum_flags & (CSUM_IP_TCP | CSUM_IP_TSO)) #define IS_TSO6(pi) ((pi)->ipi_csum_flags & CSUM_IP6_TSO) #define IS_TX_OFFLOAD6(pi) ((pi)->ipi_csum_flags & (CSUM_IP6_TCP | CSUM_IP6_TSO)) /** * Parses out ethernet header information in the given mbuf. * Returns in pi: ipi_etype (EtherType) and ipi_ehdrlen (Ethernet header length) * * This will account for the VLAN header if present. * * XXX: This doesn't handle QinQ, which could prevent TX offloads for those * types of packets. */ static int iflib_parse_ether_header(if_pkt_info_t pi, struct mbuf **mp, uint64_t *pullups) { struct ether_vlan_header *eh; struct mbuf *m; m = *mp; if (__predict_false(m->m_len < sizeof(*eh))) { (*pullups)++; if (__predict_false((m = m_pullup(m, sizeof(*eh))) == NULL)) return (ENOMEM); } eh = mtod(m, struct ether_vlan_header *); if (eh->evl_encap_proto == htons(ETHERTYPE_VLAN)) { pi->ipi_etype = ntohs(eh->evl_proto); pi->ipi_ehdrlen = ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN; } else { pi->ipi_etype = ntohs(eh->evl_encap_proto); pi->ipi_ehdrlen = ETHER_HDR_LEN; } *mp = m; return (0); } /** * Parse up to the L3 header and extract IPv4/IPv6 header information into pi. * Currently this information includes: IP ToS value, IP header version/presence * * This is missing some checks and doesn't edit the packet content as it goes, * unlike iflib_parse_header(), in order to keep the amount of code here minimal. */ static int iflib_parse_header_partial(if_pkt_info_t pi, struct mbuf **mp, uint64_t *pullups) { struct mbuf *m; int err; *pullups = 0; m = *mp; if (!M_WRITABLE(m)) { if ((m = m_dup(m, M_NOWAIT)) == NULL) { return (ENOMEM); } else { m_freem(*mp); DBG_COUNTER_INC(tx_frees); *mp = m; } } /* Fills out pi->ipi_etype */ err = iflib_parse_ether_header(pi, mp, pullups); if (err) return (err); m = *mp; switch (pi->ipi_etype) { #ifdef INET case ETHERTYPE_IP: { struct mbuf *n; struct ip *ip = NULL; int miniplen; miniplen = min(m->m_pkthdr.len, pi->ipi_ehdrlen + sizeof(*ip)); if (__predict_false(m->m_len < miniplen)) { /* * Check for common case where the first mbuf only contains * the Ethernet header */ if (m->m_len == pi->ipi_ehdrlen) { n = m->m_next; MPASS(n); /* If next mbuf contains at least the minimal IP header, then stop */ if (n->m_len >= sizeof(*ip)) { ip = (struct ip *)n->m_data; } else { (*pullups)++; if (__predict_false((m = m_pullup(m, miniplen)) == NULL)) return (ENOMEM); ip = (struct ip *)(m->m_data + pi->ipi_ehdrlen); } } else { (*pullups)++; if (__predict_false((m = m_pullup(m, miniplen)) == NULL)) return (ENOMEM); ip = (struct ip *)(m->m_data + pi->ipi_ehdrlen); } } else { ip = (struct ip *)(m->m_data + pi->ipi_ehdrlen); } /* Have the IPv4 header w/ no options here */ pi->ipi_ip_hlen = ip->ip_hl << 2; pi->ipi_ipproto = ip->ip_p; pi->ipi_ip_tos = ip->ip_tos; pi->ipi_flags |= IPI_TX_IPV4; break; } #endif #ifdef INET6 case ETHERTYPE_IPV6: { struct ip6_hdr *ip6; if (__predict_false(m->m_len < pi->ipi_ehdrlen + sizeof(struct ip6_hdr))) { (*pullups)++; if (__predict_false((m = m_pullup(m, pi->ipi_ehdrlen + sizeof(struct ip6_hdr))) == NULL)) return (ENOMEM); } ip6 = (struct ip6_hdr *)(m->m_data + pi->ipi_ehdrlen); /* Have the IPv6 fixed header here */ pi->ipi_ip_hlen = sizeof(struct ip6_hdr); pi->ipi_ipproto = ip6->ip6_nxt; pi->ipi_ip_tos = IPV6_TRAFFIC_CLASS(ip6); pi->ipi_flags |= IPI_TX_IPV6; break; } #endif default: pi->ipi_csum_flags &= ~CSUM_OFFLOAD; pi->ipi_ip_hlen = 0; break; } *mp = m; return (0); } static int iflib_parse_header(iflib_txq_t txq, if_pkt_info_t pi, struct mbuf **mp) { if_shared_ctx_t sctx = txq->ift_ctx->ifc_sctx; struct mbuf *m; int err; m = *mp; if ((sctx->isc_flags & IFLIB_NEED_SCRATCH) && M_WRITABLE(m) == 0) { if ((m = m_dup(m, M_NOWAIT)) == NULL) { return (ENOMEM); } else { m_freem(*mp); DBG_COUNTER_INC(tx_frees); *mp = m; } } /* Fills out pi->ipi_etype */ err = iflib_parse_ether_header(pi, mp, &txq->ift_pullups); if (__predict_false(err)) return (err); m = *mp; switch (pi->ipi_etype) { #ifdef INET case ETHERTYPE_IP: { struct mbuf *n; struct ip *ip = NULL; struct tcphdr *th = NULL; int minthlen; minthlen = min(m->m_pkthdr.len, pi->ipi_ehdrlen + sizeof(*ip) + sizeof(*th)); if (__predict_false(m->m_len < minthlen)) { /* * if this code bloat is causing too much of a hit * move it to a separate function and mark it noinline */ if (m->m_len == pi->ipi_ehdrlen) { n = m->m_next; MPASS(n); if (n->m_len >= sizeof(*ip)) { ip = (struct ip *)n->m_data; if (n->m_len >= (ip->ip_hl << 2) + sizeof(*th)) th = (struct tcphdr *)((caddr_t)ip + (ip->ip_hl << 2)); } else { txq->ift_pullups++; if (__predict_false((m = m_pullup(m, minthlen)) == NULL)) return (ENOMEM); ip = (struct ip *)(m->m_data + pi->ipi_ehdrlen); } } else { txq->ift_pullups++; if (__predict_false((m = m_pullup(m, minthlen)) == NULL)) return (ENOMEM); ip = (struct ip *)(m->m_data + pi->ipi_ehdrlen); if (m->m_len >= (ip->ip_hl << 2) + sizeof(*th)) th = (struct tcphdr *)((caddr_t)ip + (ip->ip_hl << 2)); } } else { ip = (struct ip *)(m->m_data + pi->ipi_ehdrlen); if (m->m_len >= (ip->ip_hl << 2) + sizeof(*th)) th = (struct tcphdr *)((caddr_t)ip + (ip->ip_hl << 2)); } pi->ipi_ip_hlen = ip->ip_hl << 2; pi->ipi_ipproto = ip->ip_p; pi->ipi_ip_tos = ip->ip_tos; pi->ipi_flags |= IPI_TX_IPV4; /* TCP checksum offload may require TCP header length */ if (IS_TX_OFFLOAD4(pi)) { if (__predict_true(pi->ipi_ipproto == IPPROTO_TCP)) { if (__predict_false(th == NULL)) { txq->ift_pullups++; if (__predict_false((m = m_pullup(m, (ip->ip_hl << 2) + sizeof(*th))) == NULL)) return (ENOMEM); th = (struct tcphdr *)((caddr_t)ip + pi->ipi_ip_hlen); } pi->ipi_tcp_hflags = th->th_flags; pi->ipi_tcp_hlen = th->th_off << 2; pi->ipi_tcp_seq = th->th_seq; } if (IS_TSO4(pi)) { if (__predict_false(ip->ip_p != IPPROTO_TCP)) return (ENXIO); /* * TSO always requires hardware checksum offload. */ pi->ipi_csum_flags |= (CSUM_IP_TCP | CSUM_IP); th->th_sum = in_pseudo(ip->ip_src.s_addr, ip->ip_dst.s_addr, htons(IPPROTO_TCP)); pi->ipi_tso_segsz = m->m_pkthdr.tso_segsz; if (sctx->isc_flags & IFLIB_TSO_INIT_IP) { ip->ip_sum = 0; ip->ip_len = htons(pi->ipi_ip_hlen + pi->ipi_tcp_hlen + pi->ipi_tso_segsz); } } } if ((sctx->isc_flags & IFLIB_NEED_ZERO_CSUM) && (pi->ipi_csum_flags & CSUM_IP)) ip->ip_sum = 0; break; } #endif #ifdef INET6 case ETHERTYPE_IPV6: { struct ip6_hdr *ip6 = (struct ip6_hdr *)(m->m_data + pi->ipi_ehdrlen); struct tcphdr *th; pi->ipi_ip_hlen = sizeof(struct ip6_hdr); if (__predict_false(m->m_len < pi->ipi_ehdrlen + sizeof(struct ip6_hdr))) { txq->ift_pullups++; if (__predict_false((m = m_pullup(m, pi->ipi_ehdrlen + sizeof(struct ip6_hdr))) == NULL)) return (ENOMEM); } th = (struct tcphdr *)((caddr_t)ip6 + pi->ipi_ip_hlen); /* XXX-BZ this will go badly in case of ext hdrs. */ pi->ipi_ipproto = ip6->ip6_nxt; pi->ipi_ip_tos = IPV6_TRAFFIC_CLASS(ip6); pi->ipi_flags |= IPI_TX_IPV6; /* TCP checksum offload may require TCP header length */ if (IS_TX_OFFLOAD6(pi)) { if (pi->ipi_ipproto == IPPROTO_TCP) { if (__predict_false(m->m_len < pi->ipi_ehdrlen + sizeof(struct ip6_hdr) + sizeof(struct tcphdr))) { txq->ift_pullups++; if (__predict_false((m = m_pullup(m, pi->ipi_ehdrlen + sizeof(struct ip6_hdr) + sizeof(struct tcphdr))) == NULL)) return (ENOMEM); } pi->ipi_tcp_hflags = th->th_flags; pi->ipi_tcp_hlen = th->th_off << 2; pi->ipi_tcp_seq = th->th_seq; } if (IS_TSO6(pi)) { if (__predict_false(ip6->ip6_nxt != IPPROTO_TCP)) return (ENXIO); /* * TSO always requires hardware checksum offload. */ pi->ipi_csum_flags |= CSUM_IP6_TCP; th->th_sum = in6_cksum_pseudo(ip6, 0, IPPROTO_TCP, 0); pi->ipi_tso_segsz = m->m_pkthdr.tso_segsz; } } break; } #endif default: pi->ipi_csum_flags &= ~CSUM_OFFLOAD; pi->ipi_ip_hlen = 0; break; } *mp = m; return (0); } /* * If dodgy hardware rejects the scatter gather chain we've handed it * we'll need to remove the mbuf chain from ifsg_m[] before we can add the * m_defrag'd mbufs */ static __noinline struct mbuf * iflib_remove_mbuf(iflib_txq_t txq) { int ntxd, pidx; struct mbuf *m, **ifsd_m; ifsd_m = txq->ift_sds.ifsd_m; ntxd = txq->ift_size; pidx = txq->ift_pidx & (ntxd - 1); ifsd_m = txq->ift_sds.ifsd_m; m = ifsd_m[pidx]; ifsd_m[pidx] = NULL; bus_dmamap_unload(txq->ift_buf_tag, txq->ift_sds.ifsd_map[pidx]); if (txq->ift_sds.ifsd_tso_map != NULL) bus_dmamap_unload(txq->ift_tso_buf_tag, txq->ift_sds.ifsd_tso_map[pidx]); #if MEMORY_LOGGING txq->ift_dequeued++; #endif return (m); } static inline caddr_t calc_next_txd(iflib_txq_t txq, int cidx, uint8_t qid) { qidx_t size; int ntxd; caddr_t start, end, cur, next; ntxd = txq->ift_size; size = txq->ift_txd_size[qid]; start = txq->ift_ifdi[qid].idi_vaddr; if (__predict_false(size == 0)) return (start); cur = start + size * cidx; end = start + size * ntxd; next = CACHE_PTR_NEXT(cur); return (next < end ? next : start); } /* * Pad an mbuf to ensure a minimum ethernet frame size. * min_frame_size is the frame size (less CRC) to pad the mbuf to */ static __noinline int iflib_ether_pad(device_t dev, struct mbuf **m_head, uint16_t min_frame_size) { /* * 18 is enough bytes to pad an ARP packet to 46 bytes, and * and ARP message is the smallest common payload I can think of */ static char pad[18]; /* just zeros */ int n; struct mbuf *new_head; if (!M_WRITABLE(*m_head)) { new_head = m_dup(*m_head, M_NOWAIT); if (new_head == NULL) { m_freem(*m_head); device_printf(dev, "cannot pad short frame, m_dup() failed"); DBG_COUNTER_INC(encap_pad_mbuf_fail); DBG_COUNTER_INC(tx_frees); return (ENOMEM); } m_freem(*m_head); *m_head = new_head; } for (n = min_frame_size - (*m_head)->m_pkthdr.len; n > 0; n -= sizeof(pad)) if (!m_append(*m_head, min(n, sizeof(pad)), pad)) break; if (n > 0) { m_freem(*m_head); device_printf(dev, "cannot pad short frame\n"); DBG_COUNTER_INC(encap_pad_mbuf_fail); DBG_COUNTER_INC(tx_frees); return (ENOBUFS); } return (0); } static int iflib_encap(iflib_txq_t txq, struct mbuf **m_headp) { if_ctx_t ctx; if_shared_ctx_t sctx; if_softc_ctx_t scctx; bus_dma_tag_t buf_tag; bus_dma_segment_t *segs; struct mbuf *m_head, **ifsd_m; void *next_txd; bus_dmamap_t map; struct if_pkt_info pi; int remap = 0; int err, nsegs, ndesc, max_segs, pidx, cidx, next, ntxd; ctx = txq->ift_ctx; sctx = ctx->ifc_sctx; scctx = &ctx->ifc_softc_ctx; segs = txq->ift_segs; ntxd = txq->ift_size; m_head = *m_headp; map = NULL; /* * If we're doing TSO the next descriptor to clean may be quite far ahead */ cidx = txq->ift_cidx; pidx = txq->ift_pidx; if (ctx->ifc_flags & IFC_PREFETCH) { next = (cidx + CACHE_PTR_INCREMENT) & (ntxd - 1); if (!(ctx->ifc_flags & IFLIB_HAS_TXCQ)) { next_txd = calc_next_txd(txq, cidx, 0); prefetch(next_txd); } /* prefetch the next cache line of mbuf pointers and flags */ prefetch(&txq->ift_sds.ifsd_m[next]); prefetch(&txq->ift_sds.ifsd_map[next]); next = (cidx + CACHE_LINE_SIZE) & (ntxd - 1); } map = txq->ift_sds.ifsd_map[pidx]; ifsd_m = txq->ift_sds.ifsd_m; if (m_head->m_pkthdr.csum_flags & CSUM_TSO) { buf_tag = txq->ift_tso_buf_tag; max_segs = scctx->isc_tx_tso_segments_max; map = txq->ift_sds.ifsd_tso_map[pidx]; MPASS(buf_tag != NULL); MPASS(max_segs > 0); } else { buf_tag = txq->ift_buf_tag; max_segs = scctx->isc_tx_nsegments; map = txq->ift_sds.ifsd_map[pidx]; } if ((sctx->isc_flags & IFLIB_NEED_ETHER_PAD) && __predict_false(m_head->m_pkthdr.len < scctx->isc_min_frame_size)) { err = iflib_ether_pad(ctx->ifc_dev, m_headp, scctx->isc_min_frame_size); if (err) { DBG_COUNTER_INC(encap_txd_encap_fail); return (err); } } m_head = *m_headp; pkt_info_zero(&pi); pi.ipi_mflags = (m_head->m_flags & (M_VLANTAG | M_BCAST | M_MCAST)); pi.ipi_pidx = pidx; pi.ipi_qsidx = txq->ift_id; pi.ipi_len = m_head->m_pkthdr.len; pi.ipi_csum_flags = m_head->m_pkthdr.csum_flags; pi.ipi_vtag = M_HAS_VLANTAG(m_head) ? m_head->m_pkthdr.ether_vtag : 0; /* deliberate bitwise OR to make one condition */ if (__predict_true((pi.ipi_csum_flags | pi.ipi_vtag))) { if (__predict_false((err = iflib_parse_header(txq, &pi, m_headp)) != 0)) { DBG_COUNTER_INC(encap_txd_encap_fail); return (err); } m_head = *m_headp; } retry: err = bus_dmamap_load_mbuf_sg(buf_tag, map, m_head, segs, &nsegs, BUS_DMA_NOWAIT); defrag: if (__predict_false(err)) { switch (err) { case EFBIG: /* try collapse once and defrag once */ if (remap == 0) { m_head = m_collapse(*m_headp, M_NOWAIT, max_segs); /* try defrag if collapsing fails */ if (m_head == NULL) remap++; } if (remap == 1) { txq->ift_mbuf_defrag++; m_head = m_defrag(*m_headp, M_NOWAIT); } /* * remap should never be >1 unless bus_dmamap_load_mbuf_sg * failed to map an mbuf that was run through m_defrag */ MPASS(remap <= 1); if (__predict_false(m_head == NULL || remap > 1)) goto defrag_failed; remap++; *m_headp = m_head; goto retry; break; case ENOMEM: txq->ift_no_tx_dma_setup++; break; default: txq->ift_no_tx_dma_setup++; m_freem(*m_headp); DBG_COUNTER_INC(tx_frees); *m_headp = NULL; break; } txq->ift_map_failed++; DBG_COUNTER_INC(encap_load_mbuf_fail); DBG_COUNTER_INC(encap_txd_encap_fail); return (err); } ifsd_m[pidx] = m_head; /* * XXX assumes a 1 to 1 relationship between segments and * descriptors - this does not hold true on all drivers, e.g. * cxgb */ if (__predict_false(nsegs + 2 > TXQ_AVAIL(txq))) { txq->ift_no_desc_avail++; bus_dmamap_unload(buf_tag, map); DBG_COUNTER_INC(encap_txq_avail_fail); DBG_COUNTER_INC(encap_txd_encap_fail); if ((txq->ift_task.gt_task.ta_flags & TASK_ENQUEUED) == 0) GROUPTASK_ENQUEUE(&txq->ift_task); return (ENOBUFS); } /* * On Intel cards we can greatly reduce the number of TX interrupts * we see by only setting report status on every Nth descriptor. * However, this also means that the driver will need to keep track * of the descriptors that RS was set on to check them for the DD bit. */ txq->ift_rs_pending += nsegs + 1; if (txq->ift_rs_pending > TXQ_MAX_RS_DEFERRED(txq) || iflib_no_tx_batch || (TXQ_AVAIL(txq) - nsegs) <= MAX_TX_DESC(ctx) + 2) { pi.ipi_flags |= IPI_TX_INTR; txq->ift_rs_pending = 0; } pi.ipi_segs = segs; pi.ipi_nsegs = nsegs; MPASS(pidx >= 0 && pidx < txq->ift_size); #ifdef PKT_DEBUG print_pkt(&pi); #endif if ((err = ctx->isc_txd_encap(ctx->ifc_softc, &pi)) == 0) { bus_dmamap_sync(buf_tag, map, BUS_DMASYNC_PREWRITE); DBG_COUNTER_INC(tx_encap); MPASS(pi.ipi_new_pidx < txq->ift_size); ndesc = pi.ipi_new_pidx - pi.ipi_pidx; if (pi.ipi_new_pidx < pi.ipi_pidx) { ndesc += txq->ift_size; txq->ift_gen = 1; } /* * drivers can need as many as * two sentinels */ MPASS(ndesc <= pi.ipi_nsegs + 2); MPASS(pi.ipi_new_pidx != pidx); MPASS(ndesc > 0); txq->ift_in_use += ndesc; txq->ift_db_pending += ndesc; /* * We update the last software descriptor again here because there may * be a sentinel and/or there may be more mbufs than segments */ txq->ift_pidx = pi.ipi_new_pidx; txq->ift_npending += pi.ipi_ndescs; } else { *m_headp = m_head = iflib_remove_mbuf(txq); if (err == EFBIG) { txq->ift_txd_encap_efbig++; if (remap < 2) { remap = 1; goto defrag; } } goto defrag_failed; } /* * err can't possibly be non-zero here, so we don't neet to test it * to see if we need to DBG_COUNTER_INC(encap_txd_encap_fail). */ return (err); defrag_failed: txq->ift_mbuf_defrag_failed++; txq->ift_map_failed++; m_freem(*m_headp); DBG_COUNTER_INC(tx_frees); *m_headp = NULL; DBG_COUNTER_INC(encap_txd_encap_fail); return (ENOMEM); } static void iflib_tx_desc_free(iflib_txq_t txq, int n) { uint32_t qsize, cidx, mask, gen; struct mbuf *m, **ifsd_m; bool do_prefetch; cidx = txq->ift_cidx; gen = txq->ift_gen; qsize = txq->ift_size; mask = qsize - 1; ifsd_m = txq->ift_sds.ifsd_m; do_prefetch = (txq->ift_ctx->ifc_flags & IFC_PREFETCH); while (n-- > 0) { if (do_prefetch) { prefetch(ifsd_m[(cidx + 3) & mask]); prefetch(ifsd_m[(cidx + 4) & mask]); } if ((m = ifsd_m[cidx]) != NULL) { prefetch(&ifsd_m[(cidx + CACHE_PTR_INCREMENT) & mask]); if (m->m_pkthdr.csum_flags & CSUM_TSO) { bus_dmamap_sync(txq->ift_tso_buf_tag, txq->ift_sds.ifsd_tso_map[cidx], BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(txq->ift_tso_buf_tag, txq->ift_sds.ifsd_tso_map[cidx]); } else { bus_dmamap_sync(txq->ift_buf_tag, txq->ift_sds.ifsd_map[cidx], BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(txq->ift_buf_tag, txq->ift_sds.ifsd_map[cidx]); } /* XXX we don't support any drivers that batch packets yet */ MPASS(m->m_nextpkt == NULL); m_freem(m); ifsd_m[cidx] = NULL; #if MEMORY_LOGGING txq->ift_dequeued++; #endif DBG_COUNTER_INC(tx_frees); } if (__predict_false(++cidx == qsize)) { cidx = 0; gen = 0; } } txq->ift_cidx = cidx; txq->ift_gen = gen; } static __inline int iflib_completed_tx_reclaim(iflib_txq_t txq, int thresh) { int reclaim; if_ctx_t ctx = txq->ift_ctx; KASSERT(thresh >= 0, ("invalid threshold to reclaim")); MPASS(thresh /*+ MAX_TX_DESC(txq->ift_ctx) */ < txq->ift_size); /* * Need a rate-limiting check so that this isn't called every time */ iflib_tx_credits_update(ctx, txq); reclaim = DESC_RECLAIMABLE(txq); if (reclaim <= thresh /* + MAX_TX_DESC(txq->ift_ctx) */) { #ifdef INVARIANTS if (iflib_verbose_debug) { printf("%s processed=%ju cleaned=%ju tx_nsegments=%d reclaim=%d thresh=%d\n", __func__, txq->ift_processed, txq->ift_cleaned, txq->ift_ctx->ifc_softc_ctx.isc_tx_nsegments, reclaim, thresh); } #endif return (0); } iflib_tx_desc_free(txq, reclaim); txq->ift_cleaned += reclaim; txq->ift_in_use -= reclaim; return (reclaim); } static struct mbuf ** _ring_peek_one(struct ifmp_ring *r, int cidx, int offset, int remaining) { int next, size; struct mbuf **items; size = r->size; next = (cidx + CACHE_PTR_INCREMENT) & (size - 1); items = __DEVOLATILE(struct mbuf **, &r->items[0]); prefetch(items[(cidx + offset) & (size - 1)]); if (remaining > 1) { prefetch2cachelines(&items[next]); prefetch2cachelines(items[(cidx + offset + 1) & (size - 1)]); prefetch2cachelines(items[(cidx + offset + 2) & (size - 1)]); prefetch2cachelines(items[(cidx + offset + 3) & (size - 1)]); } return (__DEVOLATILE(struct mbuf **, &r->items[(cidx + offset) & (size - 1)])); } static void iflib_txq_check_drain(iflib_txq_t txq, int budget) { ifmp_ring_check_drainage(txq->ift_br, budget); } static uint32_t iflib_txq_can_drain(struct ifmp_ring *r) { iflib_txq_t txq = r->cookie; if_ctx_t ctx = txq->ift_ctx; if (TXQ_AVAIL(txq) > MAX_TX_DESC(ctx) + 2) return (1); bus_dmamap_sync(txq->ift_ifdi->idi_tag, txq->ift_ifdi->idi_map, BUS_DMASYNC_POSTREAD); return (ctx->isc_txd_credits_update(ctx->ifc_softc, txq->ift_id, false)); } static uint32_t iflib_txq_drain(struct ifmp_ring *r, uint32_t cidx, uint32_t pidx) { iflib_txq_t txq = r->cookie; if_ctx_t ctx = txq->ift_ctx; if_t ifp = ctx->ifc_ifp; struct mbuf *m, **mp; int avail, bytes_sent, skipped, count, err, i; int mcast_sent, pkt_sent, reclaimed; bool do_prefetch, rang, ring; if (__predict_false(!(if_getdrvflags(ifp) & IFF_DRV_RUNNING) || !LINK_ACTIVE(ctx))) { DBG_COUNTER_INC(txq_drain_notready); return (0); } reclaimed = iflib_completed_tx_reclaim(txq, RECLAIM_THRESH(ctx)); rang = iflib_txd_db_check(txq, reclaimed && txq->ift_db_pending); avail = IDXDIFF(pidx, cidx, r->size); if (__predict_false(ctx->ifc_flags & IFC_QFLUSH)) { /* * The driver is unloading so we need to free all pending packets. */ DBG_COUNTER_INC(txq_drain_flushing); for (i = 0; i < avail; i++) { if (__predict_true(r->items[(cidx + i) & (r->size - 1)] != (void *)txq)) m_freem(r->items[(cidx + i) & (r->size - 1)]); r->items[(cidx + i) & (r->size - 1)] = NULL; } return (avail); } if (__predict_false(if_getdrvflags(ctx->ifc_ifp) & IFF_DRV_OACTIVE)) { txq->ift_qstatus = IFLIB_QUEUE_IDLE; CALLOUT_LOCK(txq); callout_stop(&txq->ift_timer); CALLOUT_UNLOCK(txq); DBG_COUNTER_INC(txq_drain_oactive); return (0); } /* * If we've reclaimed any packets this queue cannot be hung. */ if (reclaimed) txq->ift_qstatus = IFLIB_QUEUE_IDLE; skipped = mcast_sent = bytes_sent = pkt_sent = 0; count = MIN(avail, TX_BATCH_SIZE); #ifdef INVARIANTS if (iflib_verbose_debug) printf("%s avail=%d ifc_flags=%x txq_avail=%d ", __func__, avail, ctx->ifc_flags, TXQ_AVAIL(txq)); #endif do_prefetch = (ctx->ifc_flags & IFC_PREFETCH); err = 0; for (i = 0; i < count && TXQ_AVAIL(txq) >= MAX_TX_DESC(ctx) + 2; i++) { int rem = do_prefetch ? count - i : 0; mp = _ring_peek_one(r, cidx, i, rem); MPASS(mp != NULL && *mp != NULL); /* * Completion interrupts will use the address of the txq * as a sentinel to enqueue _something_ in order to acquire * the lock on the mp_ring (there's no direct lock call). * We obviously whave to check for these sentinel cases * and skip them. */ if (__predict_false(*mp == (struct mbuf *)txq)) { skipped++; continue; } err = iflib_encap(txq, mp); if (__predict_false(err)) { /* no room - bail out */ if (err == ENOBUFS) break; skipped++; /* we can't send this packet - skip it */ continue; } pkt_sent++; m = *mp; DBG_COUNTER_INC(tx_sent); bytes_sent += m->m_pkthdr.len; mcast_sent += !!(m->m_flags & M_MCAST); if (__predict_false(!(if_getdrvflags(ifp) & IFF_DRV_RUNNING))) break; ETHER_BPF_MTAP(ifp, m); rang = iflib_txd_db_check(txq, false); } /* deliberate use of bitwise or to avoid gratuitous short-circuit */ ring = rang ? false : (iflib_min_tx_latency | err); iflib_txd_db_check(txq, ring); if_inc_counter(ifp, IFCOUNTER_OBYTES, bytes_sent); if_inc_counter(ifp, IFCOUNTER_OPACKETS, pkt_sent); if (mcast_sent) if_inc_counter(ifp, IFCOUNTER_OMCASTS, mcast_sent); #ifdef INVARIANTS if (iflib_verbose_debug) printf("consumed=%d\n", skipped + pkt_sent); #endif return (skipped + pkt_sent); } static uint32_t iflib_txq_drain_always(struct ifmp_ring *r) { return (1); } static uint32_t iflib_txq_drain_free(struct ifmp_ring *r, uint32_t cidx, uint32_t pidx) { int i, avail; struct mbuf **mp; iflib_txq_t txq; txq = r->cookie; txq->ift_qstatus = IFLIB_QUEUE_IDLE; CALLOUT_LOCK(txq); callout_stop(&txq->ift_timer); CALLOUT_UNLOCK(txq); avail = IDXDIFF(pidx, cidx, r->size); for (i = 0; i < avail; i++) { mp = _ring_peek_one(r, cidx, i, avail - i); if (__predict_false(*mp == (struct mbuf *)txq)) continue; m_freem(*mp); DBG_COUNTER_INC(tx_frees); } MPASS(ifmp_ring_is_stalled(r) == 0); return (avail); } static void iflib_ifmp_purge(iflib_txq_t txq) { struct ifmp_ring *r; r = txq->ift_br; r->drain = iflib_txq_drain_free; r->can_drain = iflib_txq_drain_always; ifmp_ring_check_drainage(r, r->size); r->drain = iflib_txq_drain; r->can_drain = iflib_txq_can_drain; } static void _task_fn_tx(void *context) { iflib_txq_t txq = context; if_ctx_t ctx = txq->ift_ctx; if_t ifp = ctx->ifc_ifp; int abdicate = ctx->ifc_sysctl_tx_abdicate; #ifdef IFLIB_DIAGNOSTICS txq->ift_cpu_exec_count[curcpu]++; #endif if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) return; #ifdef DEV_NETMAP if ((if_getcapenable(ifp) & IFCAP_NETMAP) && netmap_tx_irq(ifp, txq->ift_id)) goto skip_ifmp; #endif #ifdef ALTQ if (if_altq_is_enabled(ifp)) iflib_altq_if_start(ifp); #endif if (txq->ift_db_pending) ifmp_ring_enqueue(txq->ift_br, (void **)&txq, 1, TX_BATCH_SIZE, abdicate); else if (!abdicate) ifmp_ring_check_drainage(txq->ift_br, TX_BATCH_SIZE); /* * When abdicating, we always need to check drainage, not just when we don't enqueue */ if (abdicate) ifmp_ring_check_drainage(txq->ift_br, TX_BATCH_SIZE); #ifdef DEV_NETMAP skip_ifmp: #endif if (ctx->ifc_flags & IFC_LEGACY) IFDI_INTR_ENABLE(ctx); else IFDI_TX_QUEUE_INTR_ENABLE(ctx, txq->ift_id); } static void _task_fn_rx(void *context) { iflib_rxq_t rxq = context; if_ctx_t ctx = rxq->ifr_ctx; uint8_t more; uint16_t budget; #ifdef DEV_NETMAP u_int work = 0; int nmirq; #endif #ifdef IFLIB_DIAGNOSTICS rxq->ifr_cpu_exec_count[curcpu]++; #endif DBG_COUNTER_INC(task_fn_rxs); if (__predict_false(!(if_getdrvflags(ctx->ifc_ifp) & IFF_DRV_RUNNING))) return; #ifdef DEV_NETMAP nmirq = netmap_rx_irq(ctx->ifc_ifp, rxq->ifr_id, &work); if (nmirq != NM_IRQ_PASS) { more = (nmirq == NM_IRQ_RESCHED) ? IFLIB_RXEOF_MORE : 0; goto skip_rxeof; } #endif budget = ctx->ifc_sysctl_rx_budget; if (budget == 0) budget = 16; /* XXX */ more = iflib_rxeof(rxq, budget); #ifdef DEV_NETMAP skip_rxeof: #endif if ((more & IFLIB_RXEOF_MORE) == 0) { if (ctx->ifc_flags & IFC_LEGACY) IFDI_INTR_ENABLE(ctx); else IFDI_RX_QUEUE_INTR_ENABLE(ctx, rxq->ifr_id); DBG_COUNTER_INC(rx_intr_enables); } if (__predict_false(!(if_getdrvflags(ctx->ifc_ifp) & IFF_DRV_RUNNING))) return; if (more & IFLIB_RXEOF_MORE) GROUPTASK_ENQUEUE(&rxq->ifr_task); else if (more & IFLIB_RXEOF_EMPTY) callout_reset_curcpu(&rxq->ifr_watchdog, 1, &_task_fn_rx_watchdog, rxq); } static void -_task_fn_admin(void *context) +_task_fn_admin(void *context, int pending) { if_ctx_t ctx = context; if_softc_ctx_t sctx = &ctx->ifc_softc_ctx; iflib_txq_t txq; int i; bool oactive, running, do_reset, do_watchdog, in_detach; STATE_LOCK(ctx); running = (if_getdrvflags(ctx->ifc_ifp) & IFF_DRV_RUNNING); oactive = (if_getdrvflags(ctx->ifc_ifp) & IFF_DRV_OACTIVE); do_reset = (ctx->ifc_flags & IFC_DO_RESET); do_watchdog = (ctx->ifc_flags & IFC_DO_WATCHDOG); in_detach = (ctx->ifc_flags & IFC_IN_DETACH); ctx->ifc_flags &= ~(IFC_DO_RESET | IFC_DO_WATCHDOG); STATE_UNLOCK(ctx); if ((!running && !oactive) && !(ctx->ifc_sctx->isc_flags & IFLIB_ADMIN_ALWAYS_RUN)) return; if (in_detach) return; CTX_LOCK(ctx); for (txq = ctx->ifc_txqs, i = 0; i < sctx->isc_ntxqsets; i++, txq++) { CALLOUT_LOCK(txq); callout_stop(&txq->ift_timer); CALLOUT_UNLOCK(txq); } if (ctx->ifc_sctx->isc_flags & IFLIB_HAS_ADMINCQ) IFDI_ADMIN_COMPLETION_HANDLE(ctx); if (do_watchdog) { ctx->ifc_watchdog_events++; IFDI_WATCHDOG_RESET(ctx); } IFDI_UPDATE_ADMIN_STATUS(ctx); for (txq = ctx->ifc_txqs, i = 0; i < sctx->isc_ntxqsets; i++, txq++) { callout_reset_on(&txq->ift_timer, iflib_timer_default, iflib_timer, txq, txq->ift_timer.c_cpu); } IFDI_LINK_INTR_ENABLE(ctx); if (do_reset) iflib_if_init_locked(ctx); CTX_UNLOCK(ctx); if (LINK_ACTIVE(ctx) == 0) return; for (txq = ctx->ifc_txqs, i = 0; i < sctx->isc_ntxqsets; i++, txq++) iflib_txq_check_drain(txq, IFLIB_RESTART_BUDGET); } static void -_task_fn_iov(void *context) +_task_fn_iov(void *context, int pending) { if_ctx_t ctx = context; if (!(if_getdrvflags(ctx->ifc_ifp) & IFF_DRV_RUNNING) && !(ctx->ifc_sctx->isc_flags & IFLIB_ADMIN_ALWAYS_RUN)) return; CTX_LOCK(ctx); IFDI_VFLR_HANDLE(ctx); CTX_UNLOCK(ctx); } static int iflib_sysctl_int_delay(SYSCTL_HANDLER_ARGS) { int err; if_int_delay_info_t info; if_ctx_t ctx; info = (if_int_delay_info_t)arg1; ctx = info->iidi_ctx; info->iidi_req = req; info->iidi_oidp = oidp; CTX_LOCK(ctx); err = IFDI_SYSCTL_INT_DELAY(ctx, info); CTX_UNLOCK(ctx); return (err); } /********************************************************************* * * IFNET FUNCTIONS * **********************************************************************/ static void iflib_if_init_locked(if_ctx_t ctx) { iflib_stop(ctx); iflib_init_locked(ctx); } static void iflib_if_init(void *arg) { if_ctx_t ctx = arg; CTX_LOCK(ctx); iflib_if_init_locked(ctx); CTX_UNLOCK(ctx); } static int iflib_if_transmit(if_t ifp, struct mbuf *m) { if_ctx_t ctx = if_getsoftc(ifp); iflib_txq_t txq; int err, qidx; int abdicate; if (__predict_false((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0 || !LINK_ACTIVE(ctx))) { DBG_COUNTER_INC(tx_frees); m_freem(m); return (ENETDOWN); } MPASS(m->m_nextpkt == NULL); /* ALTQ-enabled interfaces always use queue 0. */ qidx = 0; /* Use driver-supplied queue selection method if it exists */ if (ctx->isc_txq_select_v2) { struct if_pkt_info pi; uint64_t early_pullups = 0; pkt_info_zero(&pi); err = iflib_parse_header_partial(&pi, &m, &early_pullups); if (__predict_false(err != 0)) { /* Assign pullups for bad pkts to default queue */ ctx->ifc_txqs[0].ift_pullups += early_pullups; DBG_COUNTER_INC(encap_txd_encap_fail); return (err); } /* Let driver make queueing decision */ qidx = ctx->isc_txq_select_v2(ctx->ifc_softc, m, &pi); ctx->ifc_txqs[qidx].ift_pullups += early_pullups; } /* Backwards compatibility w/ simpler queue select */ else if (ctx->isc_txq_select) qidx = ctx->isc_txq_select(ctx->ifc_softc, m); /* If not, use iflib's standard method */ else if ((NTXQSETS(ctx) > 1) && M_HASHTYPE_GET(m) && !if_altq_is_enabled(ifp)) qidx = QIDX(ctx, m); /* Set TX queue */ txq = &ctx->ifc_txqs[qidx]; #ifdef DRIVER_BACKPRESSURE if (txq->ift_closed) { while (m != NULL) { next = m->m_nextpkt; m->m_nextpkt = NULL; m_freem(m); DBG_COUNTER_INC(tx_frees); m = next; } return (ENOBUFS); } #endif #ifdef notyet qidx = count = 0; mp = marr; next = m; do { count++; next = next->m_nextpkt; } while (next != NULL); if (count > nitems(marr)) if ((mp = malloc(count * sizeof(struct mbuf *), M_IFLIB, M_NOWAIT)) == NULL) { /* XXX check nextpkt */ m_freem(m); /* XXX simplify for now */ DBG_COUNTER_INC(tx_frees); return (ENOBUFS); } for (next = m, i = 0; next != NULL; i++) { mp[i] = next; next = next->m_nextpkt; mp[i]->m_nextpkt = NULL; } #endif DBG_COUNTER_INC(tx_seen); abdicate = ctx->ifc_sysctl_tx_abdicate; err = ifmp_ring_enqueue(txq->ift_br, (void **)&m, 1, TX_BATCH_SIZE, abdicate); if (abdicate) GROUPTASK_ENQUEUE(&txq->ift_task); if (err) { if (!abdicate) GROUPTASK_ENQUEUE(&txq->ift_task); /* support forthcoming later */ #ifdef DRIVER_BACKPRESSURE txq->ift_closed = TRUE; #endif ifmp_ring_check_drainage(txq->ift_br, TX_BATCH_SIZE); m_freem(m); DBG_COUNTER_INC(tx_frees); } return (err); } #ifdef ALTQ /* * The overall approach to integrating iflib with ALTQ is to continue to use * the iflib mp_ring machinery between the ALTQ queue(s) and the hardware * ring. Technically, when using ALTQ, queueing to an intermediate mp_ring * is redundant/unnecessary, but doing so minimizes the amount of * ALTQ-specific code required in iflib. It is assumed that the overhead of * redundantly queueing to an intermediate mp_ring is swamped by the * performance limitations inherent in using ALTQ. * * When ALTQ support is compiled in, all iflib drivers will use a transmit * routine, iflib_altq_if_transmit(), that checks if ALTQ is enabled for the * given interface. If ALTQ is enabled for an interface, then all * transmitted packets for that interface will be submitted to the ALTQ * subsystem via IFQ_ENQUEUE(). We don't use the legacy if_transmit() * implementation because it uses IFQ_HANDOFF(), which will duplicatively * update stats that the iflib machinery handles, and which is sensitve to * the disused IFF_DRV_OACTIVE flag. Additionally, iflib_altq_if_start() * will be installed as the start routine for use by ALTQ facilities that * need to trigger queue drains on a scheduled basis. * */ static void iflib_altq_if_start(if_t ifp) { struct ifaltq *ifq = &ifp->if_snd; /* XXX - DRVAPI */ struct mbuf *m; IFQ_LOCK(ifq); IFQ_DEQUEUE_NOLOCK(ifq, m); while (m != NULL) { iflib_if_transmit(ifp, m); IFQ_DEQUEUE_NOLOCK(ifq, m); } IFQ_UNLOCK(ifq); } static int iflib_altq_if_transmit(if_t ifp, struct mbuf *m) { int err; if (if_altq_is_enabled(ifp)) { IFQ_ENQUEUE(&ifp->if_snd, m, err); /* XXX - DRVAPI */ if (err == 0) iflib_altq_if_start(ifp); } else err = iflib_if_transmit(ifp, m); return (err); } #endif /* ALTQ */ static void iflib_if_qflush(if_t ifp) { if_ctx_t ctx = if_getsoftc(ifp); iflib_txq_t txq = ctx->ifc_txqs; int i; STATE_LOCK(ctx); ctx->ifc_flags |= IFC_QFLUSH; STATE_UNLOCK(ctx); for (i = 0; i < NTXQSETS(ctx); i++, txq++) while (!(ifmp_ring_is_idle(txq->ift_br) || ifmp_ring_is_stalled(txq->ift_br))) iflib_txq_check_drain(txq, 0); STATE_LOCK(ctx); ctx->ifc_flags &= ~IFC_QFLUSH; STATE_UNLOCK(ctx); /* * When ALTQ is enabled, this will also take care of purging the * ALTQ queue(s). */ if_qflush(ifp); } #define IFCAP_FLAGS (IFCAP_HWCSUM_IPV6 | IFCAP_HWCSUM | IFCAP_LRO | \ IFCAP_TSO | IFCAP_VLAN_HWTAGGING | IFCAP_HWSTATS | \ IFCAP_VLAN_MTU | IFCAP_VLAN_HWFILTER | \ IFCAP_VLAN_HWTSO | IFCAP_VLAN_HWCSUM | IFCAP_MEXTPG) static int iflib_if_ioctl(if_t ifp, u_long command, caddr_t data) { if_ctx_t ctx = if_getsoftc(ifp); struct ifreq *ifr = (struct ifreq *)data; #if defined(INET) || defined(INET6) struct ifaddr *ifa = (struct ifaddr *)data; #endif bool avoid_reset = false; int err = 0, reinit = 0, bits; switch (command) { case SIOCSIFADDR: #ifdef INET if (ifa->ifa_addr->sa_family == AF_INET) avoid_reset = true; #endif #ifdef INET6 if (ifa->ifa_addr->sa_family == AF_INET6) avoid_reset = true; #endif /* * Calling init results in link renegotiation, * so we avoid doing it when possible. */ if (avoid_reset) { if_setflagbits(ifp, IFF_UP, 0); if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) reinit = 1; #ifdef INET if (!(if_getflags(ifp) & IFF_NOARP)) arp_ifinit(ifp, ifa); #endif } else err = ether_ioctl(ifp, command, data); break; case SIOCSIFMTU: CTX_LOCK(ctx); if (ifr->ifr_mtu == if_getmtu(ifp)) { CTX_UNLOCK(ctx); break; } bits = if_getdrvflags(ifp); /* stop the driver and free any clusters before proceeding */ iflib_stop(ctx); if ((err = IFDI_MTU_SET(ctx, ifr->ifr_mtu)) == 0) { STATE_LOCK(ctx); if (ifr->ifr_mtu > ctx->ifc_max_fl_buf_size) ctx->ifc_flags |= IFC_MULTISEG; else ctx->ifc_flags &= ~IFC_MULTISEG; STATE_UNLOCK(ctx); err = if_setmtu(ifp, ifr->ifr_mtu); } iflib_init_locked(ctx); STATE_LOCK(ctx); if_setdrvflags(ifp, bits); STATE_UNLOCK(ctx); CTX_UNLOCK(ctx); break; case SIOCSIFFLAGS: CTX_LOCK(ctx); if (if_getflags(ifp) & IFF_UP) { if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) { if ((if_getflags(ifp) ^ ctx->ifc_if_flags) & (IFF_PROMISC | IFF_ALLMULTI)) { CTX_UNLOCK(ctx); err = IFDI_PROMISC_SET(ctx, if_getflags(ifp)); CTX_LOCK(ctx); } } else reinit = 1; } else if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) { iflib_stop(ctx); } ctx->ifc_if_flags = if_getflags(ifp); CTX_UNLOCK(ctx); break; case SIOCADDMULTI: case SIOCDELMULTI: if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) { CTX_LOCK(ctx); IFDI_INTR_DISABLE(ctx); IFDI_MULTI_SET(ctx); IFDI_INTR_ENABLE(ctx); CTX_UNLOCK(ctx); } break; case SIOCSIFMEDIA: CTX_LOCK(ctx); IFDI_MEDIA_SET(ctx); CTX_UNLOCK(ctx); /* FALLTHROUGH */ case SIOCGIFMEDIA: case SIOCGIFXMEDIA: err = ifmedia_ioctl(ifp, ifr, ctx->ifc_mediap, command); break; case SIOCGI2C: { struct ifi2creq i2c; err = copyin(ifr_data_get_ptr(ifr), &i2c, sizeof(i2c)); if (err != 0) break; if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { err = EINVAL; break; } if (i2c.len > sizeof(i2c.data)) { err = EINVAL; break; } if ((err = IFDI_I2C_REQ(ctx, &i2c)) == 0) err = copyout(&i2c, ifr_data_get_ptr(ifr), sizeof(i2c)); break; } case SIOCSIFCAP: { int mask, setmask, oldmask; oldmask = if_getcapenable(ifp); mask = ifr->ifr_reqcap ^ oldmask; mask &= ctx->ifc_softc_ctx.isc_capabilities | IFCAP_MEXTPG; setmask = 0; #ifdef TCP_OFFLOAD setmask |= mask & (IFCAP_TOE4 | IFCAP_TOE6); #endif setmask |= (mask & IFCAP_FLAGS); setmask |= (mask & IFCAP_WOL); /* * If any RX csum has changed, change all the ones that * are supported by the driver. */ if (setmask & (IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6)) { setmask |= ctx->ifc_softc_ctx.isc_capabilities & (IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6); } /* * want to ensure that traffic has stopped before we change any of the flags */ if (setmask) { CTX_LOCK(ctx); bits = if_getdrvflags(ifp); if (bits & IFF_DRV_RUNNING && setmask & ~IFCAP_WOL) iflib_stop(ctx); STATE_LOCK(ctx); if_togglecapenable(ifp, setmask); ctx->ifc_softc_ctx.isc_capenable ^= setmask; STATE_UNLOCK(ctx); if (bits & IFF_DRV_RUNNING && setmask & ~IFCAP_WOL) iflib_init_locked(ctx); STATE_LOCK(ctx); if_setdrvflags(ifp, bits); STATE_UNLOCK(ctx); CTX_UNLOCK(ctx); } if_vlancap(ifp); break; } case SIOCGPRIVATE_0: case SIOCSDRVSPEC: case SIOCGDRVSPEC: CTX_LOCK(ctx); err = IFDI_PRIV_IOCTL(ctx, command, data); CTX_UNLOCK(ctx); break; default: err = ether_ioctl(ifp, command, data); break; } if (reinit) iflib_if_init(ctx); return (err); } static uint64_t iflib_if_get_counter(if_t ifp, ift_counter cnt) { if_ctx_t ctx = if_getsoftc(ifp); return (IFDI_GET_COUNTER(ctx, cnt)); } /********************************************************************* * * OTHER FUNCTIONS EXPORTED TO THE STACK * **********************************************************************/ static void iflib_vlan_register(void *arg, if_t ifp, uint16_t vtag) { if_ctx_t ctx = if_getsoftc(ifp); if ((void *)ctx != arg) return; if ((vtag == 0) || (vtag > 4095)) return; if (iflib_in_detach(ctx)) return; CTX_LOCK(ctx); /* Driver may need all untagged packets to be flushed */ if (IFDI_NEEDS_RESTART(ctx, IFLIB_RESTART_VLAN_CONFIG)) iflib_stop(ctx); IFDI_VLAN_REGISTER(ctx, vtag); /* Re-init to load the changes, if required */ if (IFDI_NEEDS_RESTART(ctx, IFLIB_RESTART_VLAN_CONFIG)) iflib_init_locked(ctx); CTX_UNLOCK(ctx); } static void iflib_vlan_unregister(void *arg, if_t ifp, uint16_t vtag) { if_ctx_t ctx = if_getsoftc(ifp); if ((void *)ctx != arg) return; if ((vtag == 0) || (vtag > 4095)) return; CTX_LOCK(ctx); /* Driver may need all tagged packets to be flushed */ if (IFDI_NEEDS_RESTART(ctx, IFLIB_RESTART_VLAN_CONFIG)) iflib_stop(ctx); IFDI_VLAN_UNREGISTER(ctx, vtag); /* Re-init to load the changes, if required */ if (IFDI_NEEDS_RESTART(ctx, IFLIB_RESTART_VLAN_CONFIG)) iflib_init_locked(ctx); CTX_UNLOCK(ctx); } static void iflib_led_func(void *arg, int onoff) { if_ctx_t ctx = arg; CTX_LOCK(ctx); IFDI_LED_FUNC(ctx, onoff); CTX_UNLOCK(ctx); } /********************************************************************* * * BUS FUNCTION DEFINITIONS * **********************************************************************/ int iflib_device_probe(device_t dev) { const pci_vendor_info_t *ent; if_shared_ctx_t sctx; uint16_t pci_device_id, pci_rev_id, pci_subdevice_id, pci_subvendor_id; uint16_t pci_vendor_id; if ((sctx = DEVICE_REGISTER(dev)) == NULL || sctx->isc_magic != IFLIB_MAGIC) return (ENOTSUP); pci_vendor_id = pci_get_vendor(dev); pci_device_id = pci_get_device(dev); pci_subvendor_id = pci_get_subvendor(dev); pci_subdevice_id = pci_get_subdevice(dev); pci_rev_id = pci_get_revid(dev); if (sctx->isc_parse_devinfo != NULL) sctx->isc_parse_devinfo(&pci_device_id, &pci_subvendor_id, &pci_subdevice_id, &pci_rev_id); ent = sctx->isc_vendor_info; while (ent->pvi_vendor_id != 0) { if (pci_vendor_id != ent->pvi_vendor_id) { ent++; continue; } if ((pci_device_id == ent->pvi_device_id) && ((pci_subvendor_id == ent->pvi_subvendor_id) || (ent->pvi_subvendor_id == 0)) && ((pci_subdevice_id == ent->pvi_subdevice_id) || (ent->pvi_subdevice_id == 0)) && ((pci_rev_id == ent->pvi_rev_id) || (ent->pvi_rev_id == 0))) { device_set_desc_copy(dev, ent->pvi_name); /* this needs to be changed to zero if the bus probing code * ever stops re-probing on best match because the sctx * may have its values over written by register calls * in subsequent probes */ return (BUS_PROBE_DEFAULT); } ent++; } return (ENXIO); } int iflib_device_probe_vendor(device_t dev) { int probe; probe = iflib_device_probe(dev); if (probe == BUS_PROBE_DEFAULT) return (BUS_PROBE_VENDOR); else return (probe); } static void iflib_reset_qvalues(if_ctx_t ctx) { if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; if_shared_ctx_t sctx = ctx->ifc_sctx; device_t dev = ctx->ifc_dev; int i; if (ctx->ifc_sysctl_ntxqs != 0) scctx->isc_ntxqsets = ctx->ifc_sysctl_ntxqs; if (ctx->ifc_sysctl_nrxqs != 0) scctx->isc_nrxqsets = ctx->ifc_sysctl_nrxqs; for (i = 0; i < sctx->isc_ntxqs; i++) { if (ctx->ifc_sysctl_ntxds[i] != 0) scctx->isc_ntxd[i] = ctx->ifc_sysctl_ntxds[i]; else scctx->isc_ntxd[i] = sctx->isc_ntxd_default[i]; } for (i = 0; i < sctx->isc_nrxqs; i++) { if (ctx->ifc_sysctl_nrxds[i] != 0) scctx->isc_nrxd[i] = ctx->ifc_sysctl_nrxds[i]; else scctx->isc_nrxd[i] = sctx->isc_nrxd_default[i]; } for (i = 0; i < sctx->isc_nrxqs; i++) { if (scctx->isc_nrxd[i] < sctx->isc_nrxd_min[i]) { device_printf(dev, "nrxd%d: %d less than nrxd_min %d - resetting to min\n", i, scctx->isc_nrxd[i], sctx->isc_nrxd_min[i]); scctx->isc_nrxd[i] = sctx->isc_nrxd_min[i]; } if (scctx->isc_nrxd[i] > sctx->isc_nrxd_max[i]) { device_printf(dev, "nrxd%d: %d greater than nrxd_max %d - resetting to max\n", i, scctx->isc_nrxd[i], sctx->isc_nrxd_max[i]); scctx->isc_nrxd[i] = sctx->isc_nrxd_max[i]; } if (!powerof2(scctx->isc_nrxd[i])) { device_printf(dev, "nrxd%d: %d is not a power of 2 - using default value of %d\n", i, scctx->isc_nrxd[i], sctx->isc_nrxd_default[i]); scctx->isc_nrxd[i] = sctx->isc_nrxd_default[i]; } } for (i = 0; i < sctx->isc_ntxqs; i++) { if (scctx->isc_ntxd[i] < sctx->isc_ntxd_min[i]) { device_printf(dev, "ntxd%d: %d less than ntxd_min %d - resetting to min\n", i, scctx->isc_ntxd[i], sctx->isc_ntxd_min[i]); scctx->isc_ntxd[i] = sctx->isc_ntxd_min[i]; } if (scctx->isc_ntxd[i] > sctx->isc_ntxd_max[i]) { device_printf(dev, "ntxd%d: %d greater than ntxd_max %d - resetting to max\n", i, scctx->isc_ntxd[i], sctx->isc_ntxd_max[i]); scctx->isc_ntxd[i] = sctx->isc_ntxd_max[i]; } if (!powerof2(scctx->isc_ntxd[i])) { device_printf(dev, "ntxd%d: %d is not a power of 2 - using default value of %d\n", i, scctx->isc_ntxd[i], sctx->isc_ntxd_default[i]); scctx->isc_ntxd[i] = sctx->isc_ntxd_default[i]; } } } static void iflib_add_pfil(if_ctx_t ctx) { struct pfil_head *pfil; struct pfil_head_args pa; iflib_rxq_t rxq; int i; pa.pa_version = PFIL_VERSION; pa.pa_flags = PFIL_IN; pa.pa_type = PFIL_TYPE_ETHERNET; pa.pa_headname = if_name(ctx->ifc_ifp); pfil = pfil_head_register(&pa); for (i = 0, rxq = ctx->ifc_rxqs; i < NRXQSETS(ctx); i++, rxq++) { rxq->pfil = pfil; } } static void iflib_rem_pfil(if_ctx_t ctx) { struct pfil_head *pfil; iflib_rxq_t rxq; int i; rxq = ctx->ifc_rxqs; pfil = rxq->pfil; for (i = 0; i < NRXQSETS(ctx); i++, rxq++) { rxq->pfil = NULL; } pfil_head_unregister(pfil); } /* * Advance forward by n members of the cpuset ctx->ifc_cpus starting from * cpuid and wrapping as necessary. */ static unsigned int cpuid_advance(if_ctx_t ctx, unsigned int cpuid, unsigned int n) { unsigned int first_valid; unsigned int last_valid; /* cpuid should always be in the valid set */ MPASS(CPU_ISSET(cpuid, &ctx->ifc_cpus)); /* valid set should never be empty */ MPASS(!CPU_EMPTY(&ctx->ifc_cpus)); first_valid = CPU_FFS(&ctx->ifc_cpus) - 1; last_valid = CPU_FLS(&ctx->ifc_cpus) - 1; n = n % CPU_COUNT(&ctx->ifc_cpus); while (n > 0) { do { cpuid++; if (cpuid > last_valid) cpuid = first_valid; } while (!CPU_ISSET(cpuid, &ctx->ifc_cpus)); n--; } return (cpuid); } #if defined(SMP) && defined(SCHED_ULE) extern struct cpu_group *cpu_top; /* CPU topology */ static int find_child_with_core(int cpu, struct cpu_group *grp) { int i; if (grp->cg_children == 0) return (-1); MPASS(grp->cg_child); for (i = 0; i < grp->cg_children; i++) { if (CPU_ISSET(cpu, &grp->cg_child[i].cg_mask)) return (i); } return (-1); } /* * Find an L2 neighbor of the given CPU or return -1 if none found. This * does not distinguish among multiple L2 neighbors if the given CPU has * more than one (it will always return the same result in that case). */ static int find_l2_neighbor(int cpu) { struct cpu_group *grp; int i; grp = cpu_top; if (grp == NULL) return (-1); /* * Find the smallest CPU group that contains the given core. */ i = 0; while ((i = find_child_with_core(cpu, grp)) != -1) { /* * If the smallest group containing the given CPU has less * than two members, we conclude the given CPU has no * L2 neighbor. */ if (grp->cg_child[i].cg_count <= 1) return (-1); grp = &grp->cg_child[i]; } /* Must share L2. */ if (grp->cg_level > CG_SHARE_L2 || grp->cg_level == CG_SHARE_NONE) return (-1); /* * Select the first member of the set that isn't the reference * CPU, which at this point is guaranteed to exist. */ for (i = 0; i < CPU_SETSIZE; i++) { if (CPU_ISSET(i, &grp->cg_mask) && i != cpu) return (i); } /* Should never be reached */ return (-1); } #else static int find_l2_neighbor(int cpu) { return (-1); } #endif /* * CPU mapping behaviors * --------------------- * 'separate txrx' refers to the separate_txrx sysctl * 'use logical' refers to the use_logical_cores sysctl * 'INTR CPUS' indicates whether bus_get_cpus(INTR_CPUS) succeeded * * separate use INTR * txrx logical CPUS result * ---------- --------- ------ ------------------------------------------------ * - - X RX and TX queues mapped to consecutive physical * cores with RX/TX pairs on same core and excess * of either following * - X X RX and TX queues mapped to consecutive cores * of any type with RX/TX pairs on same core and * excess of either following * X - X RX and TX queues mapped to consecutive physical * cores; all RX then all TX * X X X RX queues mapped to consecutive physical cores * first, then TX queues mapped to L2 neighbor of * the corresponding RX queue if one exists, * otherwise to consecutive physical cores * - n/a - RX and TX queues mapped to consecutive cores of * any type with RX/TX pairs on same core and excess * of either following * X n/a - RX and TX queues mapped to consecutive cores of * any type; all RX then all TX */ static unsigned int get_cpuid_for_queue(if_ctx_t ctx, unsigned int base_cpuid, unsigned int qid, bool is_tx) { if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; unsigned int core_index; if (ctx->ifc_sysctl_separate_txrx) { /* * When using separate CPUs for TX and RX, the assignment * will always be of a consecutive CPU out of the set of * context CPUs, except for the specific case where the * context CPUs are phsyical cores, the use of logical cores * has been enabled, the assignment is for TX, the TX qid * corresponds to an RX qid, and the CPU assigned to the * corresponding RX queue has an L2 neighbor. */ if (ctx->ifc_sysctl_use_logical_cores && ctx->ifc_cpus_are_physical_cores && is_tx && qid < scctx->isc_nrxqsets) { int l2_neighbor; unsigned int rx_cpuid; rx_cpuid = cpuid_advance(ctx, base_cpuid, qid); l2_neighbor = find_l2_neighbor(rx_cpuid); if (l2_neighbor != -1) { return (l2_neighbor); } /* * ... else fall through to the normal * consecutive-after-RX assignment scheme. * * Note that we are assuming that all RX queue CPUs * have an L2 neighbor, or all do not. If a mixed * scenario is possible, we will have to keep track * separately of how many queues prior to this one * were not able to be assigned to an L2 neighbor. */ } if (is_tx) core_index = scctx->isc_nrxqsets + qid; else core_index = qid; } else { core_index = qid; } return (cpuid_advance(ctx, base_cpuid, core_index)); } static uint16_t get_ctx_core_offset(if_ctx_t ctx) { if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; struct cpu_offset *op; cpuset_t assigned_cpus; unsigned int cores_consumed; unsigned int base_cpuid = ctx->ifc_sysctl_core_offset; unsigned int first_valid; unsigned int last_valid; unsigned int i; first_valid = CPU_FFS(&ctx->ifc_cpus) - 1; last_valid = CPU_FLS(&ctx->ifc_cpus) - 1; if (base_cpuid != CORE_OFFSET_UNSPECIFIED) { /* * Align the user-chosen base CPU ID to the next valid CPU * for this device. If the chosen base CPU ID is smaller * than the first valid CPU or larger than the last valid * CPU, we assume the user does not know what the valid * range is for this device and is thinking in terms of a * zero-based reference frame, and so we shift the given * value into the valid range (and wrap accordingly) so the * intent is translated to the proper frame of reference. * If the base CPU ID is within the valid first/last, but * does not correspond to a valid CPU, it is advanced to the * next valid CPU (wrapping if necessary). */ if (base_cpuid < first_valid || base_cpuid > last_valid) { /* shift from zero-based to first_valid-based */ base_cpuid += first_valid; /* wrap to range [first_valid, last_valid] */ base_cpuid = (base_cpuid - first_valid) % (last_valid - first_valid + 1); } if (!CPU_ISSET(base_cpuid, &ctx->ifc_cpus)) { /* * base_cpuid is in [first_valid, last_valid], but * not a member of the valid set. In this case, * there will always be a member of the valid set * with a CPU ID that is greater than base_cpuid, * and we simply advance to it. */ while (!CPU_ISSET(base_cpuid, &ctx->ifc_cpus)) base_cpuid++; } return (base_cpuid); } /* * Determine how many cores will be consumed by performing the CPU * assignments and counting how many of the assigned CPUs correspond * to CPUs in the set of context CPUs. This is done using the CPU * ID first_valid as the base CPU ID, as the base CPU must be within * the set of context CPUs. * * Note not all assigned CPUs will be in the set of context CPUs * when separate CPUs are being allocated to TX and RX queues, * assignment to logical cores has been enabled, the set of context * CPUs contains only physical CPUs, and TX queues are mapped to L2 * neighbors of CPUs that RX queues have been mapped to - in this * case we do only want to count how many CPUs in the set of context * CPUs have been consumed, as that determines the next CPU in that * set to start allocating at for the next device for which * core_offset is not set. */ CPU_ZERO(&assigned_cpus); for (i = 0; i < scctx->isc_ntxqsets; i++) CPU_SET(get_cpuid_for_queue(ctx, first_valid, i, true), &assigned_cpus); for (i = 0; i < scctx->isc_nrxqsets; i++) CPU_SET(get_cpuid_for_queue(ctx, first_valid, i, false), &assigned_cpus); CPU_AND(&assigned_cpus, &assigned_cpus, &ctx->ifc_cpus); cores_consumed = CPU_COUNT(&assigned_cpus); mtx_lock(&cpu_offset_mtx); SLIST_FOREACH(op, &cpu_offsets, entries) { if (CPU_CMP(&ctx->ifc_cpus, &op->set) == 0) { base_cpuid = op->next_cpuid; op->next_cpuid = cpuid_advance(ctx, op->next_cpuid, cores_consumed); MPASS(op->refcount < UINT_MAX); op->refcount++; break; } } if (base_cpuid == CORE_OFFSET_UNSPECIFIED) { base_cpuid = first_valid; op = malloc(sizeof(struct cpu_offset), M_IFLIB, M_NOWAIT | M_ZERO); if (op == NULL) { device_printf(ctx->ifc_dev, "allocation for cpu offset failed.\n"); } else { op->next_cpuid = cpuid_advance(ctx, base_cpuid, cores_consumed); op->refcount = 1; CPU_COPY(&ctx->ifc_cpus, &op->set); SLIST_INSERT_HEAD(&cpu_offsets, op, entries); } } mtx_unlock(&cpu_offset_mtx); return (base_cpuid); } static void unref_ctx_core_offset(if_ctx_t ctx) { struct cpu_offset *op, *top; mtx_lock(&cpu_offset_mtx); SLIST_FOREACH_SAFE(op, &cpu_offsets, entries, top) { if (CPU_CMP(&ctx->ifc_cpus, &op->set) == 0) { MPASS(op->refcount > 0); op->refcount--; if (op->refcount == 0) { SLIST_REMOVE(&cpu_offsets, op, cpu_offset, entries); free(op, M_IFLIB); } break; } } mtx_unlock(&cpu_offset_mtx); } int iflib_device_register(device_t dev, void *sc, if_shared_ctx_t sctx, if_ctx_t *ctxp) { if_ctx_t ctx; if_t ifp; if_softc_ctx_t scctx; kobjop_desc_t kobj_desc; kobj_method_t *kobj_method; int err, msix, rid; int num_txd, num_rxd; + char namebuf[TASKQUEUE_NAMELEN]; ctx = malloc(sizeof(*ctx), M_IFLIB, M_WAITOK | M_ZERO); if (sc == NULL) { sc = malloc(sctx->isc_driver->size, M_IFLIB, M_WAITOK | M_ZERO); device_set_softc(dev, ctx); ctx->ifc_flags |= IFC_SC_ALLOCATED; } ctx->ifc_sctx = sctx; ctx->ifc_dev = dev; ctx->ifc_softc = sc; if ((err = iflib_register(ctx)) != 0) { device_printf(dev, "iflib_register failed %d\n", err); goto fail_ctx_free; } iflib_add_device_sysctl_pre(ctx); scctx = &ctx->ifc_softc_ctx; ifp = ctx->ifc_ifp; iflib_reset_qvalues(ctx); IFNET_WLOCK(); CTX_LOCK(ctx); if ((err = IFDI_ATTACH_PRE(ctx)) != 0) { device_printf(dev, "IFDI_ATTACH_PRE failed %d\n", err); goto fail_unlock; } _iflib_pre_assert(scctx); ctx->ifc_txrx = *scctx->isc_txrx; MPASS(scctx->isc_dma_width <= flsll(BUS_SPACE_MAXADDR)); if (sctx->isc_flags & IFLIB_DRIVER_MEDIA) ctx->ifc_mediap = scctx->isc_media; #ifdef INVARIANTS if (scctx->isc_capabilities & IFCAP_TXCSUM) MPASS(scctx->isc_tx_csum_flags); #endif if_setcapabilities(ifp, scctx->isc_capabilities | IFCAP_HWSTATS | IFCAP_MEXTPG); if_setcapenable(ifp, scctx->isc_capenable | IFCAP_HWSTATS | IFCAP_MEXTPG); if (scctx->isc_ntxqsets == 0 || (scctx->isc_ntxqsets_max && scctx->isc_ntxqsets_max < scctx->isc_ntxqsets)) scctx->isc_ntxqsets = scctx->isc_ntxqsets_max; if (scctx->isc_nrxqsets == 0 || (scctx->isc_nrxqsets_max && scctx->isc_nrxqsets_max < scctx->isc_nrxqsets)) scctx->isc_nrxqsets = scctx->isc_nrxqsets_max; num_txd = iflib_num_tx_descs(ctx); num_rxd = iflib_num_rx_descs(ctx); /* XXX change for per-queue sizes */ device_printf(dev, "Using %d TX descriptors and %d RX descriptors\n", num_txd, num_rxd); if (scctx->isc_tx_nsegments > num_txd / MAX_SINGLE_PACKET_FRACTION) scctx->isc_tx_nsegments = max(1, num_txd / MAX_SINGLE_PACKET_FRACTION); if (scctx->isc_tx_tso_segments_max > num_txd / MAX_SINGLE_PACKET_FRACTION) scctx->isc_tx_tso_segments_max = max(1, num_txd / MAX_SINGLE_PACKET_FRACTION); /* TSO parameters - dig these out of the data sheet - simply correspond to tag setup */ if (if_getcapabilities(ifp) & IFCAP_TSO) { /* * The stack can't handle a TSO size larger than IP_MAXPACKET, * but some MACs do. */ if_sethwtsomax(ifp, min(scctx->isc_tx_tso_size_max, IP_MAXPACKET)); /* * Take maximum number of m_pullup(9)'s in iflib_parse_header() * into account. In the worst case, each of these calls will * add another mbuf and, thus, the requirement for another DMA * segment. So for best performance, it doesn't make sense to * advertize a maximum of TSO segments that typically will * require defragmentation in iflib_encap(). */ if_sethwtsomaxsegcount(ifp, scctx->isc_tx_tso_segments_max - 3); if_sethwtsomaxsegsize(ifp, scctx->isc_tx_tso_segsize_max); } if (scctx->isc_rss_table_size == 0) scctx->isc_rss_table_size = 64; scctx->isc_rss_table_mask = scctx->isc_rss_table_size - 1; - GROUPTASK_INIT(&ctx->ifc_admin_task, 0, _task_fn_admin, ctx); - /* XXX format name */ - taskqgroup_attach(qgroup_if_config_tqg, &ctx->ifc_admin_task, ctx, - NULL, NULL, "admin"); + /* Create and start admin taskqueue */ + snprintf(namebuf, TASKQUEUE_NAMELEN, "if_%s_tq", device_get_nameunit(dev)); + ctx->ifc_tq = taskqueue_create_fast(namebuf, M_NOWAIT, + taskqueue_thread_enqueue, &ctx->ifc_tq); + if (ctx->ifc_tq == NULL) { + device_printf(dev, "Unable to create admin taskqueue\n"); + return (ENOMEM); + } + + err = taskqueue_start_threads(&ctx->ifc_tq, 1, PI_NET, "%s", namebuf); + if (err) { + device_printf(dev, + "Unable to start admin taskqueue threads error: %d\n", + err); + taskqueue_free(ctx->ifc_tq); + return (err); + } + + TASK_INIT(&ctx->ifc_admin_task, 0, _task_fn_admin, ctx); /* Set up cpu set. If it fails, use the set of all CPUs. */ if (bus_get_cpus(dev, INTR_CPUS, sizeof(ctx->ifc_cpus), &ctx->ifc_cpus) != 0) { device_printf(dev, "Unable to fetch CPU list\n"); CPU_COPY(&all_cpus, &ctx->ifc_cpus); ctx->ifc_cpus_are_physical_cores = false; } else ctx->ifc_cpus_are_physical_cores = true; MPASS(CPU_COUNT(&ctx->ifc_cpus) > 0); /* * Now set up MSI or MSI-X, should return us the number of supported * vectors (will be 1 for a legacy interrupt and MSI). */ if (sctx->isc_flags & IFLIB_SKIP_MSIX) { msix = scctx->isc_vectors; } else if (scctx->isc_msix_bar != 0) /* * The simple fact that isc_msix_bar is not 0 does not mean we * we have a good value there that is known to work. */ msix = iflib_msix_init(ctx); else { scctx->isc_vectors = 1; scctx->isc_ntxqsets = 1; scctx->isc_nrxqsets = 1; scctx->isc_intr = IFLIB_INTR_LEGACY; msix = 0; } /* Get memory for the station queues */ if ((err = iflib_queues_alloc(ctx))) { device_printf(dev, "Unable to allocate queue memory\n"); goto fail_intr_free; } if ((err = iflib_qset_structures_setup(ctx))) goto fail_queues; /* * Now that we know how many queues there are, get the core offset. */ ctx->ifc_sysctl_core_offset = get_ctx_core_offset(ctx); if (msix > 1) { /* * When using MSI-X, ensure that ifdi_{r,t}x_queue_intr_enable * aren't the default NULL implementation. */ kobj_desc = &ifdi_rx_queue_intr_enable_desc; kobj_method = kobj_lookup_method(((kobj_t)ctx)->ops->cls, NULL, kobj_desc); if (kobj_method == &kobj_desc->deflt) { device_printf(dev, "MSI-X requires ifdi_rx_queue_intr_enable method"); err = EOPNOTSUPP; goto fail_queues; } kobj_desc = &ifdi_tx_queue_intr_enable_desc; kobj_method = kobj_lookup_method(((kobj_t)ctx)->ops->cls, NULL, kobj_desc); if (kobj_method == &kobj_desc->deflt) { device_printf(dev, "MSI-X requires ifdi_tx_queue_intr_enable method"); err = EOPNOTSUPP; goto fail_queues; } /* * Assign the MSI-X vectors. * Note that the default NULL ifdi_msix_intr_assign method will * fail here, too. */ err = IFDI_MSIX_INTR_ASSIGN(ctx, msix); if (err != 0) { device_printf(dev, "IFDI_MSIX_INTR_ASSIGN failed %d\n", err); goto fail_queues; } } else if (scctx->isc_intr != IFLIB_INTR_MSIX) { rid = 0; if (scctx->isc_intr == IFLIB_INTR_MSI) { MPASS(msix == 1); rid = 1; } if ((err = iflib_legacy_setup(ctx, ctx->isc_legacy_intr, ctx->ifc_softc, &rid, "irq0")) != 0) { device_printf(dev, "iflib_legacy_setup failed %d\n", err); goto fail_queues; } } else { device_printf(dev, "Cannot use iflib with only 1 MSI-X interrupt!\n"); err = ENODEV; goto fail_queues; } /* * It prevents a double-locking panic with iflib_media_status when * the driver loads. */ CTX_UNLOCK(ctx); ether_ifattach(ctx->ifc_ifp, ctx->ifc_mac.octet); CTX_LOCK(ctx); if ((err = IFDI_ATTACH_POST(ctx)) != 0) { device_printf(dev, "IFDI_ATTACH_POST failed %d\n", err); goto fail_detach; } /* * Tell the upper layer(s) if IFCAP_VLAN_MTU is supported. * This must appear after the call to ether_ifattach() because * ether_ifattach() sets if_hdrlen to the default value. */ if (if_getcapabilities(ifp) & IFCAP_VLAN_MTU) if_setifheaderlen(ifp, sizeof(struct ether_vlan_header)); if ((err = iflib_netmap_attach(ctx))) { device_printf(ctx->ifc_dev, "netmap attach failed: %d\n", err); goto fail_detach; } *ctxp = ctx; DEBUGNET_SET(ctx->ifc_ifp, iflib); if_setgetcounterfn(ctx->ifc_ifp, iflib_if_get_counter); iflib_add_device_sysctl_post(ctx); iflib_add_pfil(ctx); ctx->ifc_flags |= IFC_INIT_DONE; CTX_UNLOCK(ctx); IFNET_WUNLOCK(); return (0); fail_detach: ether_ifdetach(ctx->ifc_ifp); fail_queues: + taskqueue_free(ctx->ifc_tq); iflib_tqg_detach(ctx); iflib_tx_structures_free(ctx); iflib_rx_structures_free(ctx); IFDI_DETACH(ctx); IFDI_QUEUES_FREE(ctx); fail_intr_free: iflib_free_intr_mem(ctx); fail_unlock: CTX_UNLOCK(ctx); IFNET_WUNLOCK(); iflib_deregister(ctx); fail_ctx_free: device_set_softc(ctx->ifc_dev, NULL); if (ctx->ifc_flags & IFC_SC_ALLOCATED) free(ctx->ifc_softc, M_IFLIB); free(ctx, M_IFLIB); return (err); } int iflib_device_attach(device_t dev) { if_ctx_t ctx; if_shared_ctx_t sctx; if ((sctx = DEVICE_REGISTER(dev)) == NULL || sctx->isc_magic != IFLIB_MAGIC) return (ENOTSUP); pci_enable_busmaster(dev); return (iflib_device_register(dev, NULL, sctx, &ctx)); } int iflib_device_deregister(if_ctx_t ctx) { if_t ifp = ctx->ifc_ifp; device_t dev = ctx->ifc_dev; /* Make sure VLANS are not using driver */ if (if_vlantrunkinuse(ifp)) { device_printf(dev, "Vlan in use, detach first\n"); return (EBUSY); } #ifdef PCI_IOV if (!CTX_IS_VF(ctx) && pci_iov_detach(dev) != 0) { device_printf(dev, "SR-IOV in use; detach first.\n"); return (EBUSY); } #endif STATE_LOCK(ctx); ctx->ifc_flags |= IFC_IN_DETACH; STATE_UNLOCK(ctx); /* Unregister VLAN handlers before calling iflib_stop() */ iflib_unregister_vlan_handlers(ctx); iflib_netmap_detach(ifp); ether_ifdetach(ifp); CTX_LOCK(ctx); iflib_stop(ctx); CTX_UNLOCK(ctx); iflib_rem_pfil(ctx); if (ctx->ifc_led_dev != NULL) led_destroy(ctx->ifc_led_dev); iflib_tqg_detach(ctx); iflib_tx_structures_free(ctx); iflib_rx_structures_free(ctx); CTX_LOCK(ctx); IFDI_DETACH(ctx); IFDI_QUEUES_FREE(ctx); CTX_UNLOCK(ctx); + taskqueue_free(ctx->ifc_tq); + ctx->ifc_tq = NULL; + /* ether_ifdetach calls if_qflush - lock must be destroy afterwards*/ iflib_free_intr_mem(ctx); bus_generic_detach(dev); iflib_deregister(ctx); device_set_softc(ctx->ifc_dev, NULL); if (ctx->ifc_flags & IFC_SC_ALLOCATED) free(ctx->ifc_softc, M_IFLIB); unref_ctx_core_offset(ctx); free(ctx, M_IFLIB); return (0); } static void iflib_tqg_detach(if_ctx_t ctx) { iflib_txq_t txq; iflib_rxq_t rxq; int i; struct taskqgroup *tqg; /* XXX drain any dependent tasks */ tqg = qgroup_if_io_tqg; for (txq = ctx->ifc_txqs, i = 0; i < NTXQSETS(ctx); i++, txq++) { callout_drain(&txq->ift_timer); #ifdef DEV_NETMAP callout_drain(&txq->ift_netmap_timer); #endif /* DEV_NETMAP */ if (txq->ift_task.gt_uniq != NULL) taskqgroup_detach(tqg, &txq->ift_task); } for (i = 0, rxq = ctx->ifc_rxqs; i < NRXQSETS(ctx); i++, rxq++) { if (rxq->ifr_task.gt_uniq != NULL) taskqgroup_detach(tqg, &rxq->ifr_task); } - tqg = qgroup_if_config_tqg; - if (ctx->ifc_admin_task.gt_uniq != NULL) - taskqgroup_detach(tqg, &ctx->ifc_admin_task); - if (ctx->ifc_vflr_task.gt_uniq != NULL) - taskqgroup_detach(tqg, &ctx->ifc_vflr_task); } static void iflib_free_intr_mem(if_ctx_t ctx) { if (ctx->ifc_softc_ctx.isc_intr != IFLIB_INTR_MSIX) { iflib_irq_free(ctx, &ctx->ifc_legacy_irq); } if (ctx->ifc_softc_ctx.isc_intr != IFLIB_INTR_LEGACY) { pci_release_msi(ctx->ifc_dev); } if (ctx->ifc_msix_mem != NULL) { bus_release_resource(ctx->ifc_dev, SYS_RES_MEMORY, rman_get_rid(ctx->ifc_msix_mem), ctx->ifc_msix_mem); ctx->ifc_msix_mem = NULL; } } int iflib_device_detach(device_t dev) { if_ctx_t ctx = device_get_softc(dev); return (iflib_device_deregister(ctx)); } int iflib_device_suspend(device_t dev) { if_ctx_t ctx = device_get_softc(dev); CTX_LOCK(ctx); IFDI_SUSPEND(ctx); CTX_UNLOCK(ctx); return (bus_generic_suspend(dev)); } int iflib_device_shutdown(device_t dev) { if_ctx_t ctx = device_get_softc(dev); CTX_LOCK(ctx); IFDI_SHUTDOWN(ctx); CTX_UNLOCK(ctx); return (bus_generic_suspend(dev)); } int iflib_device_resume(device_t dev) { if_ctx_t ctx = device_get_softc(dev); iflib_txq_t txq = ctx->ifc_txqs; CTX_LOCK(ctx); IFDI_RESUME(ctx); iflib_if_init_locked(ctx); CTX_UNLOCK(ctx); for (int i = 0; i < NTXQSETS(ctx); i++, txq++) iflib_txq_check_drain(txq, IFLIB_RESTART_BUDGET); return (bus_generic_resume(dev)); } int iflib_device_iov_init(device_t dev, uint16_t num_vfs, const nvlist_t *params) { int error; if_ctx_t ctx = device_get_softc(dev); CTX_LOCK(ctx); error = IFDI_IOV_INIT(ctx, num_vfs, params); CTX_UNLOCK(ctx); return (error); } void iflib_device_iov_uninit(device_t dev) { if_ctx_t ctx = device_get_softc(dev); CTX_LOCK(ctx); IFDI_IOV_UNINIT(ctx); CTX_UNLOCK(ctx); } int iflib_device_iov_add_vf(device_t dev, uint16_t vfnum, const nvlist_t *params) { int error; if_ctx_t ctx = device_get_softc(dev); CTX_LOCK(ctx); error = IFDI_IOV_VF_ADD(ctx, vfnum, params); CTX_UNLOCK(ctx); return (error); } /********************************************************************* * * MODULE FUNCTION DEFINITIONS * **********************************************************************/ /* * - Start a fast taskqueue thread for each core * - Start a taskqueue for control operations */ static int iflib_module_init(void) { iflib_timer_default = hz / 2; return (0); } static int iflib_module_event_handler(module_t mod, int what, void *arg) { int err; switch (what) { case MOD_LOAD: if ((err = iflib_module_init()) != 0) return (err); break; case MOD_UNLOAD: return (EBUSY); default: return (EOPNOTSUPP); } return (0); } /********************************************************************* * * PUBLIC FUNCTION DEFINITIONS * ordered as in iflib.h * **********************************************************************/ static void _iflib_assert(if_shared_ctx_t sctx) { int i; MPASS(sctx->isc_tx_maxsize); MPASS(sctx->isc_tx_maxsegsize); MPASS(sctx->isc_rx_maxsize); MPASS(sctx->isc_rx_nsegments); MPASS(sctx->isc_rx_maxsegsize); MPASS(sctx->isc_nrxqs >= 1 && sctx->isc_nrxqs <= 8); for (i = 0; i < sctx->isc_nrxqs; i++) { MPASS(sctx->isc_nrxd_min[i]); MPASS(powerof2(sctx->isc_nrxd_min[i])); MPASS(sctx->isc_nrxd_max[i]); MPASS(powerof2(sctx->isc_nrxd_max[i])); MPASS(sctx->isc_nrxd_default[i]); MPASS(powerof2(sctx->isc_nrxd_default[i])); } MPASS(sctx->isc_ntxqs >= 1 && sctx->isc_ntxqs <= 8); for (i = 0; i < sctx->isc_ntxqs; i++) { MPASS(sctx->isc_ntxd_min[i]); MPASS(powerof2(sctx->isc_ntxd_min[i])); MPASS(sctx->isc_ntxd_max[i]); MPASS(powerof2(sctx->isc_ntxd_max[i])); MPASS(sctx->isc_ntxd_default[i]); MPASS(powerof2(sctx->isc_ntxd_default[i])); } } static void _iflib_pre_assert(if_softc_ctx_t scctx) { MPASS(scctx->isc_txrx->ift_txd_encap); MPASS(scctx->isc_txrx->ift_txd_flush); MPASS(scctx->isc_txrx->ift_txd_credits_update); MPASS(scctx->isc_txrx->ift_rxd_available); MPASS(scctx->isc_txrx->ift_rxd_pkt_get); MPASS(scctx->isc_txrx->ift_rxd_refill); MPASS(scctx->isc_txrx->ift_rxd_flush); } static int iflib_register(if_ctx_t ctx) { if_shared_ctx_t sctx = ctx->ifc_sctx; driver_t *driver = sctx->isc_driver; device_t dev = ctx->ifc_dev; if_t ifp; _iflib_assert(sctx); CTX_LOCK_INIT(ctx); STATE_LOCK_INIT(ctx, device_get_nameunit(ctx->ifc_dev)); ifp = ctx->ifc_ifp = if_alloc_dev(IFT_ETHER, dev); /* * Initialize our context's device specific methods */ kobj_init((kobj_t) ctx, (kobj_class_t) driver); kobj_class_compile((kobj_class_t) driver); if_initname(ifp, device_get_name(dev), device_get_unit(dev)); if_setsoftc(ifp, ctx); if_setdev(ifp, dev); if_setinitfn(ifp, iflib_if_init); if_setioctlfn(ifp, iflib_if_ioctl); #ifdef ALTQ if_setstartfn(ifp, iflib_altq_if_start); if_settransmitfn(ifp, iflib_altq_if_transmit); if_setsendqready(ifp); #else if_settransmitfn(ifp, iflib_if_transmit); #endif if_setqflushfn(ifp, iflib_if_qflush); if_setflags(ifp, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST); ctx->ifc_vlan_attach_event = EVENTHANDLER_REGISTER(vlan_config, iflib_vlan_register, ctx, EVENTHANDLER_PRI_FIRST); ctx->ifc_vlan_detach_event = EVENTHANDLER_REGISTER(vlan_unconfig, iflib_vlan_unregister, ctx, EVENTHANDLER_PRI_FIRST); if ((sctx->isc_flags & IFLIB_DRIVER_MEDIA) == 0) { ctx->ifc_mediap = &ctx->ifc_media; ifmedia_init(ctx->ifc_mediap, IFM_IMASK, iflib_media_change, iflib_media_status); } return (0); } static void iflib_unregister_vlan_handlers(if_ctx_t ctx) { /* Unregister VLAN events */ if (ctx->ifc_vlan_attach_event != NULL) { EVENTHANDLER_DEREGISTER(vlan_config, ctx->ifc_vlan_attach_event); ctx->ifc_vlan_attach_event = NULL; } if (ctx->ifc_vlan_detach_event != NULL) { EVENTHANDLER_DEREGISTER(vlan_unconfig, ctx->ifc_vlan_detach_event); ctx->ifc_vlan_detach_event = NULL; } } static void iflib_deregister(if_ctx_t ctx) { if_t ifp = ctx->ifc_ifp; /* Remove all media */ ifmedia_removeall(&ctx->ifc_media); /* Ensure that VLAN event handlers are unregistered */ iflib_unregister_vlan_handlers(ctx); /* Release kobject reference */ kobj_delete((kobj_t) ctx, NULL); /* Free the ifnet structure */ if_free(ifp); STATE_LOCK_DESTROY(ctx); /* ether_ifdetach calls if_qflush - lock must be destroy afterwards*/ CTX_LOCK_DESTROY(ctx); } static int iflib_queues_alloc(if_ctx_t ctx) { if_shared_ctx_t sctx = ctx->ifc_sctx; if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; device_t dev = ctx->ifc_dev; int nrxqsets = scctx->isc_nrxqsets; int ntxqsets = scctx->isc_ntxqsets; iflib_txq_t txq; iflib_rxq_t rxq; iflib_fl_t fl = NULL; int i, j, cpu, err, txconf, rxconf; iflib_dma_info_t ifdip; uint32_t *rxqsizes = scctx->isc_rxqsizes; uint32_t *txqsizes = scctx->isc_txqsizes; uint8_t nrxqs = sctx->isc_nrxqs; uint8_t ntxqs = sctx->isc_ntxqs; int nfree_lists = sctx->isc_nfl ? sctx->isc_nfl : 1; int fl_offset = (sctx->isc_flags & IFLIB_HAS_RXCQ ? 1 : 0); caddr_t *vaddrs; uint64_t *paddrs; KASSERT(ntxqs > 0, ("number of queues per qset must be at least 1")); KASSERT(nrxqs > 0, ("number of queues per qset must be at least 1")); KASSERT(nrxqs >= fl_offset + nfree_lists, ("there must be at least a rxq for each free list")); /* Allocate the TX ring struct memory */ if (!(ctx->ifc_txqs = (iflib_txq_t) malloc(sizeof(struct iflib_txq) * ntxqsets, M_IFLIB, M_NOWAIT | M_ZERO))) { device_printf(dev, "Unable to allocate TX ring memory\n"); err = ENOMEM; goto fail; } /* Now allocate the RX */ if (!(ctx->ifc_rxqs = (iflib_rxq_t) malloc(sizeof(struct iflib_rxq) * nrxqsets, M_IFLIB, M_NOWAIT | M_ZERO))) { device_printf(dev, "Unable to allocate RX ring memory\n"); err = ENOMEM; goto rx_fail; } txq = ctx->ifc_txqs; rxq = ctx->ifc_rxqs; /* * XXX handle allocation failure */ for (txconf = i = 0, cpu = CPU_FIRST(); i < ntxqsets; i++, txconf++, txq++, cpu = CPU_NEXT(cpu)) { /* Set up some basics */ if ((ifdip = malloc(sizeof(struct iflib_dma_info) * ntxqs, M_IFLIB, M_NOWAIT | M_ZERO)) == NULL) { device_printf(dev, "Unable to allocate TX DMA info memory\n"); err = ENOMEM; goto err_tx_desc; } txq->ift_ifdi = ifdip; for (j = 0; j < ntxqs; j++, ifdip++) { if (iflib_dma_alloc(ctx, txqsizes[j], ifdip, 0)) { device_printf(dev, "Unable to allocate TX descriptors\n"); err = ENOMEM; goto err_tx_desc; } txq->ift_txd_size[j] = scctx->isc_txd_size[j]; bzero((void *)ifdip->idi_vaddr, txqsizes[j]); } txq->ift_ctx = ctx; txq->ift_id = i; if (sctx->isc_flags & IFLIB_HAS_TXCQ) { txq->ift_br_offset = 1; } else { txq->ift_br_offset = 0; } if (iflib_txsd_alloc(txq)) { device_printf(dev, "Critical Failure setting up TX buffers\n"); err = ENOMEM; goto err_tx_desc; } /* Initialize the TX lock */ snprintf(txq->ift_mtx_name, MTX_NAME_LEN, "%s:TX(%d):callout", device_get_nameunit(dev), txq->ift_id); mtx_init(&txq->ift_mtx, txq->ift_mtx_name, NULL, MTX_DEF); callout_init_mtx(&txq->ift_timer, &txq->ift_mtx, 0); txq->ift_timer.c_cpu = cpu; #ifdef DEV_NETMAP callout_init_mtx(&txq->ift_netmap_timer, &txq->ift_mtx, 0); txq->ift_netmap_timer.c_cpu = cpu; #endif /* DEV_NETMAP */ err = ifmp_ring_alloc(&txq->ift_br, 2048, txq, iflib_txq_drain, iflib_txq_can_drain, M_IFLIB, M_WAITOK); if (err) { /* XXX free any allocated rings */ device_printf(dev, "Unable to allocate buf_ring\n"); goto err_tx_desc; } } for (rxconf = i = 0; i < nrxqsets; i++, rxconf++, rxq++) { /* Set up some basics */ callout_init(&rxq->ifr_watchdog, 1); if ((ifdip = malloc(sizeof(struct iflib_dma_info) * nrxqs, M_IFLIB, M_NOWAIT | M_ZERO)) == NULL) { device_printf(dev, "Unable to allocate RX DMA info memory\n"); err = ENOMEM; goto err_tx_desc; } rxq->ifr_ifdi = ifdip; /* XXX this needs to be changed if #rx queues != #tx queues */ rxq->ifr_ntxqirq = 1; rxq->ifr_txqid[0] = i; for (j = 0; j < nrxqs; j++, ifdip++) { if (iflib_dma_alloc(ctx, rxqsizes[j], ifdip, 0)) { device_printf(dev, "Unable to allocate RX descriptors\n"); err = ENOMEM; goto err_tx_desc; } bzero((void *)ifdip->idi_vaddr, rxqsizes[j]); } rxq->ifr_ctx = ctx; rxq->ifr_id = i; rxq->ifr_fl_offset = fl_offset; rxq->ifr_nfl = nfree_lists; if (!(fl = (iflib_fl_t) malloc(sizeof(struct iflib_fl) * nfree_lists, M_IFLIB, M_NOWAIT | M_ZERO))) { device_printf(dev, "Unable to allocate free list memory\n"); err = ENOMEM; goto err_tx_desc; } rxq->ifr_fl = fl; for (j = 0; j < nfree_lists; j++) { fl[j].ifl_rxq = rxq; fl[j].ifl_id = j; fl[j].ifl_ifdi = &rxq->ifr_ifdi[j + rxq->ifr_fl_offset]; fl[j].ifl_rxd_size = scctx->isc_rxd_size[j]; } /* Allocate receive buffers for the ring */ if (iflib_rxsd_alloc(rxq)) { device_printf(dev, "Critical Failure setting up receive buffers\n"); err = ENOMEM; goto err_rx_desc; } for (j = 0, fl = rxq->ifr_fl; j < rxq->ifr_nfl; j++, fl++) fl->ifl_rx_bitmap = bit_alloc(fl->ifl_size, M_IFLIB, M_WAITOK); } /* TXQs */ vaddrs = malloc(sizeof(caddr_t) * ntxqsets * ntxqs, M_IFLIB, M_WAITOK); paddrs = malloc(sizeof(uint64_t) * ntxqsets * ntxqs, M_IFLIB, M_WAITOK); for (i = 0; i < ntxqsets; i++) { iflib_dma_info_t di = ctx->ifc_txqs[i].ift_ifdi; for (j = 0; j < ntxqs; j++, di++) { vaddrs[i * ntxqs + j] = di->idi_vaddr; paddrs[i * ntxqs + j] = di->idi_paddr; } } if ((err = IFDI_TX_QUEUES_ALLOC(ctx, vaddrs, paddrs, ntxqs, ntxqsets)) != 0) { device_printf(ctx->ifc_dev, "Unable to allocate device TX queue\n"); iflib_tx_structures_free(ctx); free(vaddrs, M_IFLIB); free(paddrs, M_IFLIB); goto err_rx_desc; } free(vaddrs, M_IFLIB); free(paddrs, M_IFLIB); /* RXQs */ vaddrs = malloc(sizeof(caddr_t) * nrxqsets * nrxqs, M_IFLIB, M_WAITOK); paddrs = malloc(sizeof(uint64_t) * nrxqsets * nrxqs, M_IFLIB, M_WAITOK); for (i = 0; i < nrxqsets; i++) { iflib_dma_info_t di = ctx->ifc_rxqs[i].ifr_ifdi; for (j = 0; j < nrxqs; j++, di++) { vaddrs[i * nrxqs + j] = di->idi_vaddr; paddrs[i * nrxqs + j] = di->idi_paddr; } } if ((err = IFDI_RX_QUEUES_ALLOC(ctx, vaddrs, paddrs, nrxqs, nrxqsets)) != 0) { device_printf(ctx->ifc_dev, "Unable to allocate device RX queue\n"); iflib_tx_structures_free(ctx); free(vaddrs, M_IFLIB); free(paddrs, M_IFLIB); goto err_rx_desc; } free(vaddrs, M_IFLIB); free(paddrs, M_IFLIB); return (0); /* XXX handle allocation failure changes */ err_rx_desc: err_tx_desc: rx_fail: if (ctx->ifc_rxqs != NULL) free(ctx->ifc_rxqs, M_IFLIB); ctx->ifc_rxqs = NULL; if (ctx->ifc_txqs != NULL) free(ctx->ifc_txqs, M_IFLIB); ctx->ifc_txqs = NULL; fail: return (err); } static int iflib_tx_structures_setup(if_ctx_t ctx) { iflib_txq_t txq = ctx->ifc_txqs; int i; for (i = 0; i < NTXQSETS(ctx); i++, txq++) iflib_txq_setup(txq); return (0); } static void iflib_tx_structures_free(if_ctx_t ctx) { iflib_txq_t txq = ctx->ifc_txqs; if_shared_ctx_t sctx = ctx->ifc_sctx; int i, j; for (i = 0; i < NTXQSETS(ctx); i++, txq++) { for (j = 0; j < sctx->isc_ntxqs; j++) iflib_dma_free(&txq->ift_ifdi[j]); iflib_txq_destroy(txq); } free(ctx->ifc_txqs, M_IFLIB); ctx->ifc_txqs = NULL; } /********************************************************************* * * Initialize all receive rings. * **********************************************************************/ static int iflib_rx_structures_setup(if_ctx_t ctx) { iflib_rxq_t rxq = ctx->ifc_rxqs; int q; #if defined(INET6) || defined(INET) int err, i; #endif for (q = 0; q < ctx->ifc_softc_ctx.isc_nrxqsets; q++, rxq++) { #if defined(INET6) || defined(INET) err = tcp_lro_init_args(&rxq->ifr_lc, ctx->ifc_ifp, TCP_LRO_ENTRIES, min(1024, ctx->ifc_softc_ctx.isc_nrxd[rxq->ifr_fl_offset])); if (err != 0) { device_printf(ctx->ifc_dev, "LRO Initialization failed!\n"); goto fail; } #endif IFDI_RXQ_SETUP(ctx, rxq->ifr_id); } return (0); #if defined(INET6) || defined(INET) fail: /* * Free LRO resources allocated so far, we will only handle * the rings that completed, the failing case will have * cleaned up for itself. 'q' failed, so its the terminus. */ rxq = ctx->ifc_rxqs; for (i = 0; i < q; ++i, rxq++) { tcp_lro_free(&rxq->ifr_lc); } return (err); #endif } /********************************************************************* * * Free all receive rings. * **********************************************************************/ static void iflib_rx_structures_free(if_ctx_t ctx) { iflib_rxq_t rxq = ctx->ifc_rxqs; if_shared_ctx_t sctx = ctx->ifc_sctx; int i, j; for (i = 0; i < ctx->ifc_softc_ctx.isc_nrxqsets; i++, rxq++) { for (j = 0; j < sctx->isc_nrxqs; j++) iflib_dma_free(&rxq->ifr_ifdi[j]); iflib_rx_sds_free(rxq); #if defined(INET6) || defined(INET) tcp_lro_free(&rxq->ifr_lc); #endif } free(ctx->ifc_rxqs, M_IFLIB); ctx->ifc_rxqs = NULL; } static int iflib_qset_structures_setup(if_ctx_t ctx) { int err; /* * It is expected that the caller takes care of freeing queues if this * fails. */ if ((err = iflib_tx_structures_setup(ctx)) != 0) { device_printf(ctx->ifc_dev, "iflib_tx_structures_setup failed: %d\n", err); return (err); } if ((err = iflib_rx_structures_setup(ctx)) != 0) device_printf(ctx->ifc_dev, "iflib_rx_structures_setup failed: %d\n", err); return (err); } int iflib_irq_alloc(if_ctx_t ctx, if_irq_t irq, int rid, driver_filter_t filter, void *filter_arg, driver_intr_t handler, void *arg, const char *name) { return (_iflib_irq_alloc(ctx, irq, rid, filter, handler, arg, name)); } /* Just to avoid copy/paste */ static inline int iflib_irq_set_affinity(if_ctx_t ctx, if_irq_t irq, iflib_intr_type_t type, int qid, struct grouptask *gtask, struct taskqgroup *tqg, void *uniq, const char *name) { device_t dev; unsigned int base_cpuid, cpuid; int err; dev = ctx->ifc_dev; base_cpuid = ctx->ifc_sysctl_core_offset; cpuid = get_cpuid_for_queue(ctx, base_cpuid, qid, type == IFLIB_INTR_TX); err = taskqgroup_attach_cpu(tqg, gtask, uniq, cpuid, dev, irq ? irq->ii_res : NULL, name); if (err) { device_printf(dev, "taskqgroup_attach_cpu failed %d\n", err); return (err); } #ifdef notyet if (cpuid > ctx->ifc_cpuid_highest) ctx->ifc_cpuid_highest = cpuid; #endif return (0); } /* * Allocate a hardware interrupt for subctx using the parent (ctx)'s hardware * resources. * * Similar to iflib_irq_alloc_generic(), but for interrupt type IFLIB_INTR_RXTX * only. * * XXX: Could be removed if subctx's dev has its intr resource allocation * methods replaced with custom ones? */ int iflib_irq_alloc_generic_subctx(if_ctx_t ctx, if_ctx_t subctx, if_irq_t irq, int rid, iflib_intr_type_t type, driver_filter_t *filter, void *filter_arg, int qid, const char *name) { device_t dev, subdev; struct grouptask *gtask; struct taskqgroup *tqg; iflib_filter_info_t info; gtask_fn_t *fn; int tqrid, err; driver_filter_t *intr_fast; void *q; MPASS(ctx != NULL); MPASS(subctx != NULL); tqrid = rid; dev = ctx->ifc_dev; subdev = subctx->ifc_dev; switch (type) { case IFLIB_INTR_RXTX: q = &subctx->ifc_rxqs[qid]; info = &subctx->ifc_rxqs[qid].ifr_filter_info; gtask = &subctx->ifc_rxqs[qid].ifr_task; tqg = qgroup_if_io_tqg; fn = _task_fn_rx; intr_fast = iflib_fast_intr_rxtx; NET_GROUPTASK_INIT(gtask, 0, fn, q); break; default: device_printf(dev, "%s: unknown net intr type for subctx %s (%d)\n", __func__, device_get_nameunit(subdev), type); return (EINVAL); } info->ifi_filter = filter; info->ifi_filter_arg = filter_arg; info->ifi_task = gtask; info->ifi_ctx = q; NET_GROUPTASK_INIT(gtask, 0, fn, q); /* Allocate interrupts from hardware using parent context */ err = _iflib_irq_alloc(ctx, irq, rid, intr_fast, NULL, info, name); if (err != 0) { device_printf(dev, "_iflib_irq_alloc failed for subctx %s: %d\n", device_get_nameunit(subdev), err); return (err); } if (tqrid != -1) { err = iflib_irq_set_affinity(ctx, irq, type, qid, gtask, tqg, q, name); if (err) return (err); } else { taskqgroup_attach(tqg, gtask, q, dev, irq->ii_res, name); } return (0); } int iflib_irq_alloc_generic(if_ctx_t ctx, if_irq_t irq, int rid, iflib_intr_type_t type, driver_filter_t *filter, void *filter_arg, int qid, const char *name) { device_t dev; struct grouptask *gtask; struct taskqgroup *tqg; iflib_filter_info_t info; gtask_fn_t *fn; int tqrid, err; driver_filter_t *intr_fast; void *q; info = &ctx->ifc_filter_info; tqrid = rid; switch (type) { /* XXX merge tx/rx for netmap? */ case IFLIB_INTR_TX: q = &ctx->ifc_txqs[qid]; info = &ctx->ifc_txqs[qid].ift_filter_info; gtask = &ctx->ifc_txqs[qid].ift_task; tqg = qgroup_if_io_tqg; fn = _task_fn_tx; intr_fast = iflib_fast_intr; GROUPTASK_INIT(gtask, 0, fn, q); ctx->ifc_flags |= IFC_NETMAP_TX_IRQ; break; case IFLIB_INTR_RX: q = &ctx->ifc_rxqs[qid]; info = &ctx->ifc_rxqs[qid].ifr_filter_info; gtask = &ctx->ifc_rxqs[qid].ifr_task; tqg = qgroup_if_io_tqg; fn = _task_fn_rx; intr_fast = iflib_fast_intr; NET_GROUPTASK_INIT(gtask, 0, fn, q); break; case IFLIB_INTR_RXTX: q = &ctx->ifc_rxqs[qid]; info = &ctx->ifc_rxqs[qid].ifr_filter_info; gtask = &ctx->ifc_rxqs[qid].ifr_task; tqg = qgroup_if_io_tqg; fn = _task_fn_rx; intr_fast = iflib_fast_intr_rxtx; NET_GROUPTASK_INIT(gtask, 0, fn, q); break; case IFLIB_INTR_ADMIN: q = ctx; tqrid = -1; info = &ctx->ifc_filter_info; - gtask = &ctx->ifc_admin_task; - tqg = qgroup_if_config_tqg; - fn = _task_fn_admin; + gtask = NULL; intr_fast = iflib_fast_intr_ctx; break; default: device_printf(ctx->ifc_dev, "%s: unknown net intr type\n", __func__); return (EINVAL); } info->ifi_filter = filter; info->ifi_filter_arg = filter_arg; info->ifi_task = gtask; info->ifi_ctx = q; dev = ctx->ifc_dev; err = _iflib_irq_alloc(ctx, irq, rid, intr_fast, NULL, info, name); if (err != 0) { device_printf(dev, "_iflib_irq_alloc failed %d\n", err); return (err); } if (type == IFLIB_INTR_ADMIN) return (0); if (tqrid != -1) { err = iflib_irq_set_affinity(ctx, irq, type, qid, gtask, tqg, q, name); if (err) return (err); } else { taskqgroup_attach(tqg, gtask, q, dev, irq->ii_res, name); } return (0); } void iflib_softirq_alloc_generic(if_ctx_t ctx, if_irq_t irq, iflib_intr_type_t type, void *arg, int qid, const char *name) { device_t dev; struct grouptask *gtask; struct taskqgroup *tqg; gtask_fn_t *fn; void *q; int err; switch (type) { case IFLIB_INTR_TX: q = &ctx->ifc_txqs[qid]; gtask = &ctx->ifc_txqs[qid].ift_task; tqg = qgroup_if_io_tqg; fn = _task_fn_tx; GROUPTASK_INIT(gtask, 0, fn, q); break; case IFLIB_INTR_RX: q = &ctx->ifc_rxqs[qid]; gtask = &ctx->ifc_rxqs[qid].ifr_task; tqg = qgroup_if_io_tqg; fn = _task_fn_rx; NET_GROUPTASK_INIT(gtask, 0, fn, q); break; case IFLIB_INTR_IOV: - q = ctx; - gtask = &ctx->ifc_vflr_task; - tqg = qgroup_if_config_tqg; - fn = _task_fn_iov; - GROUPTASK_INIT(gtask, 0, fn, q); - break; + TASK_INIT(&ctx->ifc_vflr_task, 0, _task_fn_iov, ctx); + return; default: panic("unknown net intr type"); } err = iflib_irq_set_affinity(ctx, irq, type, qid, gtask, tqg, q, name); if (err) { dev = ctx->ifc_dev; taskqgroup_attach(tqg, gtask, q, dev, irq ? irq->ii_res : NULL, name); } } void iflib_irq_free(if_ctx_t ctx, if_irq_t irq) { if (irq->ii_tag) bus_teardown_intr(ctx->ifc_dev, irq->ii_res, irq->ii_tag); if (irq->ii_res) bus_release_resource(ctx->ifc_dev, SYS_RES_IRQ, rman_get_rid(irq->ii_res), irq->ii_res); } static int iflib_legacy_setup(if_ctx_t ctx, driver_filter_t filter, void *filter_arg, int *rid, const char *name) { iflib_txq_t txq = ctx->ifc_txqs; iflib_rxq_t rxq = ctx->ifc_rxqs; if_irq_t irq = &ctx->ifc_legacy_irq; iflib_filter_info_t info; device_t dev; struct grouptask *gtask; struct resource *res; int err, tqrid; bool rx_only; info = &rxq->ifr_filter_info; gtask = &rxq->ifr_task; tqrid = *rid; rx_only = (ctx->ifc_sctx->isc_flags & IFLIB_SINGLE_IRQ_RX_ONLY) != 0; ctx->ifc_flags |= IFC_LEGACY; info->ifi_filter = filter; info->ifi_filter_arg = filter_arg; info->ifi_task = gtask; info->ifi_ctx = rxq; dev = ctx->ifc_dev; /* We allocate a single interrupt resource */ err = _iflib_irq_alloc(ctx, irq, tqrid, rx_only ? iflib_fast_intr : iflib_fast_intr_rxtx, NULL, info, name); if (err != 0) return (err); NET_GROUPTASK_INIT(gtask, 0, _task_fn_rx, rxq); res = irq->ii_res; taskqgroup_attach(qgroup_if_io_tqg, gtask, rxq, dev, res, name); GROUPTASK_INIT(&txq->ift_task, 0, _task_fn_tx, txq); taskqgroup_attach(qgroup_if_io_tqg, &txq->ift_task, txq, dev, res, "tx"); return (0); } void iflib_led_create(if_ctx_t ctx) { ctx->ifc_led_dev = led_create(iflib_led_func, ctx, device_get_nameunit(ctx->ifc_dev)); } void iflib_tx_intr_deferred(if_ctx_t ctx, int txqid) { GROUPTASK_ENQUEUE(&ctx->ifc_txqs[txqid].ift_task); } void iflib_rx_intr_deferred(if_ctx_t ctx, int rxqid) { GROUPTASK_ENQUEUE(&ctx->ifc_rxqs[rxqid].ifr_task); } void iflib_admin_intr_deferred(if_ctx_t ctx) { - MPASS(ctx->ifc_admin_task.gt_taskqueue != NULL); - GROUPTASK_ENQUEUE(&ctx->ifc_admin_task); + taskqueue_enqueue(ctx->ifc_tq, &ctx->ifc_admin_task); } void iflib_iov_intr_deferred(if_ctx_t ctx) { - GROUPTASK_ENQUEUE(&ctx->ifc_vflr_task); + taskqueue_enqueue(ctx->ifc_tq, &ctx->ifc_vflr_task); } void iflib_io_tqg_attach(struct grouptask *gt, void *uniq, int cpu, const char *name) { taskqgroup_attach_cpu(qgroup_if_io_tqg, gt, uniq, cpu, NULL, NULL, name); } void -iflib_config_gtask_init(void *ctx, struct grouptask *gtask, gtask_fn_t *fn, - const char *name) +iflib_config_task_init(if_ctx_t ctx, struct task *config_task, task_fn_t *fn) { - - GROUPTASK_INIT(gtask, 0, fn, ctx); - taskqgroup_attach(qgroup_if_config_tqg, gtask, gtask, NULL, NULL, - name); + TASK_INIT(config_task, 0, fn, ctx); } void -iflib_config_gtask_deinit(struct grouptask *gtask) +iflib_config_task_enqueue(if_ctx_t ctx, struct task *config_task) { - - taskqgroup_detach(qgroup_if_config_tqg, gtask); + taskqueue_enqueue(ctx->ifc_tq, config_task); } void iflib_link_state_change(if_ctx_t ctx, int link_state, uint64_t baudrate) { if_t ifp = ctx->ifc_ifp; iflib_txq_t txq = ctx->ifc_txqs; if_setbaudrate(ifp, baudrate); if (baudrate >= IF_Gbps(10)) { STATE_LOCK(ctx); ctx->ifc_flags |= IFC_PREFETCH; STATE_UNLOCK(ctx); } /* If link down, disable watchdog */ if ((ctx->ifc_link_state == LINK_STATE_UP) && (link_state == LINK_STATE_DOWN)) { for (int i = 0; i < ctx->ifc_softc_ctx.isc_ntxqsets; i++, txq++) txq->ift_qstatus = IFLIB_QUEUE_IDLE; } ctx->ifc_link_state = link_state; if_link_state_change(ifp, link_state); } static int iflib_tx_credits_update(if_ctx_t ctx, iflib_txq_t txq) { int credits; #ifdef INVARIANTS int credits_pre = txq->ift_cidx_processed; #endif bus_dmamap_sync(txq->ift_ifdi->idi_tag, txq->ift_ifdi->idi_map, BUS_DMASYNC_POSTREAD); if ((credits = ctx->isc_txd_credits_update(ctx->ifc_softc, txq->ift_id, true)) == 0) return (0); txq->ift_processed += credits; txq->ift_cidx_processed += credits; MPASS(credits_pre + credits == txq->ift_cidx_processed); if (txq->ift_cidx_processed >= txq->ift_size) txq->ift_cidx_processed -= txq->ift_size; return (credits); } static int iflib_rxd_avail(if_ctx_t ctx, iflib_rxq_t rxq, qidx_t cidx, qidx_t budget) { iflib_fl_t fl; u_int i; for (i = 0, fl = &rxq->ifr_fl[0]; i < rxq->ifr_nfl; i++, fl++) bus_dmamap_sync(fl->ifl_ifdi->idi_tag, fl->ifl_ifdi->idi_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); return (ctx->isc_rxd_available(ctx->ifc_softc, rxq->ifr_id, cidx, budget)); } void iflib_add_int_delay_sysctl(if_ctx_t ctx, const char *name, const char *description, if_int_delay_info_t info, int offset, int value) { info->iidi_ctx = ctx; info->iidi_offset = offset; info->iidi_value = value; SYSCTL_ADD_PROC(device_get_sysctl_ctx(ctx->ifc_dev), SYSCTL_CHILDREN(device_get_sysctl_tree(ctx->ifc_dev)), OID_AUTO, name, CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, info, 0, iflib_sysctl_int_delay, "I", description); } struct sx * iflib_ctx_lock_get(if_ctx_t ctx) { return (&ctx->ifc_ctx_sx); } static int iflib_msix_init(if_ctx_t ctx) { device_t dev = ctx->ifc_dev; if_shared_ctx_t sctx = ctx->ifc_sctx; if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; int admincnt, bar, err, iflib_num_rx_queues, iflib_num_tx_queues; int msgs, queuemsgs, queues, rx_queues, tx_queues, vectors; iflib_num_tx_queues = ctx->ifc_sysctl_ntxqs; iflib_num_rx_queues = ctx->ifc_sysctl_nrxqs; if (bootverbose) device_printf(dev, "msix_init qsets capped at %d\n", imax(scctx->isc_ntxqsets, scctx->isc_nrxqsets)); /* Override by tuneable */ if (scctx->isc_disable_msix) goto msi; /* First try MSI-X */ if ((msgs = pci_msix_count(dev)) == 0) { if (bootverbose) device_printf(dev, "MSI-X not supported or disabled\n"); goto msi; } bar = ctx->ifc_softc_ctx.isc_msix_bar; /* * bar == -1 => "trust me I know what I'm doing" * Some drivers are for hardware that is so shoddily * documented that no one knows which bars are which * so the developer has to map all bars. This hack * allows shoddy garbage to use MSI-X in this framework. */ if (bar != -1) { ctx->ifc_msix_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &bar, RF_ACTIVE); if (ctx->ifc_msix_mem == NULL) { device_printf(dev, "Unable to map MSI-X table\n"); goto msi; } } admincnt = sctx->isc_admin_intrcnt; #if IFLIB_DEBUG /* use only 1 qset in debug mode */ queuemsgs = min(msgs - admincnt, 1); #else queuemsgs = msgs - admincnt; #endif #ifdef RSS queues = imin(queuemsgs, rss_getnumbuckets()); #else queues = queuemsgs; #endif queues = imin(CPU_COUNT(&ctx->ifc_cpus), queues); if (bootverbose) device_printf(dev, "intr CPUs: %d queue msgs: %d admincnt: %d\n", CPU_COUNT(&ctx->ifc_cpus), queuemsgs, admincnt); #ifdef RSS /* If we're doing RSS, clamp at the number of RSS buckets */ if (queues > rss_getnumbuckets()) queues = rss_getnumbuckets(); #endif if (iflib_num_rx_queues > 0 && iflib_num_rx_queues < queuemsgs - admincnt) rx_queues = iflib_num_rx_queues; else rx_queues = queues; if (rx_queues > scctx->isc_nrxqsets) rx_queues = scctx->isc_nrxqsets; /* * We want this to be all logical CPUs by default */ if (iflib_num_tx_queues > 0 && iflib_num_tx_queues < queues) tx_queues = iflib_num_tx_queues; else tx_queues = mp_ncpus; if (tx_queues > scctx->isc_ntxqsets) tx_queues = scctx->isc_ntxqsets; if (ctx->ifc_sysctl_qs_eq_override == 0) { #ifdef INVARIANTS if (tx_queues != rx_queues) device_printf(dev, "queue equality override not set, capping rx_queues at %d and tx_queues at %d\n", min(rx_queues, tx_queues), min(rx_queues, tx_queues)); #endif tx_queues = min(rx_queues, tx_queues); rx_queues = min(rx_queues, tx_queues); } vectors = rx_queues + admincnt; if (msgs < vectors) { device_printf(dev, "insufficient number of MSI-X vectors " "(supported %d, need %d)\n", msgs, vectors); goto msi; } device_printf(dev, "Using %d RX queues %d TX queues\n", rx_queues, tx_queues); msgs = vectors; if ((err = pci_alloc_msix(dev, &vectors)) == 0) { if (vectors != msgs) { device_printf(dev, "Unable to allocate sufficient MSI-X vectors " "(got %d, need %d)\n", vectors, msgs); pci_release_msi(dev); if (bar != -1) { bus_release_resource(dev, SYS_RES_MEMORY, bar, ctx->ifc_msix_mem); ctx->ifc_msix_mem = NULL; } goto msi; } device_printf(dev, "Using MSI-X interrupts with %d vectors\n", vectors); scctx->isc_vectors = vectors; scctx->isc_nrxqsets = rx_queues; scctx->isc_ntxqsets = tx_queues; scctx->isc_intr = IFLIB_INTR_MSIX; return (vectors); } else { device_printf(dev, "failed to allocate %d MSI-X vectors, err: %d\n", vectors, err); if (bar != -1) { bus_release_resource(dev, SYS_RES_MEMORY, bar, ctx->ifc_msix_mem); ctx->ifc_msix_mem = NULL; } } msi: vectors = pci_msi_count(dev); scctx->isc_nrxqsets = 1; scctx->isc_ntxqsets = 1; scctx->isc_vectors = vectors; if (vectors == 1 && pci_alloc_msi(dev, &vectors) == 0) { device_printf(dev, "Using an MSI interrupt\n"); scctx->isc_intr = IFLIB_INTR_MSI; } else { scctx->isc_vectors = 1; device_printf(dev, "Using a Legacy interrupt\n"); scctx->isc_intr = IFLIB_INTR_LEGACY; } return (vectors); } static const char *ring_states[] = { "IDLE", "BUSY", "STALLED", "ABDICATED" }; static int mp_ring_state_handler(SYSCTL_HANDLER_ARGS) { int rc; uint16_t *state = ((uint16_t *)oidp->oid_arg1); struct sbuf *sb; const char *ring_state = "UNKNOWN"; /* XXX needed ? */ rc = sysctl_wire_old_buffer(req, 0); MPASS(rc == 0); if (rc != 0) return (rc); sb = sbuf_new_for_sysctl(NULL, NULL, 80, req); MPASS(sb != NULL); if (sb == NULL) return (ENOMEM); if (state[3] <= 3) ring_state = ring_states[state[3]]; sbuf_printf(sb, "pidx_head: %04hd pidx_tail: %04hd cidx: %04hd state: %s", state[0], state[1], state[2], ring_state); rc = sbuf_finish(sb); sbuf_delete(sb); return (rc); } enum iflib_ndesc_handler { IFLIB_NTXD_HANDLER, IFLIB_NRXD_HANDLER, }; static int mp_ndesc_handler(SYSCTL_HANDLER_ARGS) { if_ctx_t ctx = (void *)arg1; enum iflib_ndesc_handler type = arg2; char buf[256] = {0}; qidx_t *ndesc; char *p, *next; int nqs, rc, i; nqs = 8; switch (type) { case IFLIB_NTXD_HANDLER: ndesc = ctx->ifc_sysctl_ntxds; if (ctx->ifc_sctx) nqs = ctx->ifc_sctx->isc_ntxqs; break; case IFLIB_NRXD_HANDLER: ndesc = ctx->ifc_sysctl_nrxds; if (ctx->ifc_sctx) nqs = ctx->ifc_sctx->isc_nrxqs; break; default: printf("%s: unhandled type\n", __func__); return (EINVAL); } if (nqs == 0) nqs = 8; for (i = 0; i < 8; i++) { if (i >= nqs) break; if (i) strcat(buf, ","); sprintf(strchr(buf, 0), "%d", ndesc[i]); } rc = sysctl_handle_string(oidp, buf, sizeof(buf), req); if (rc || req->newptr == NULL) return (rc); for (i = 0, next = buf, p = strsep(&next, " ,"); i < 8 && p; i++, p = strsep(&next, " ,")) { ndesc[i] = strtoul(p, NULL, 10); } return (rc); } #define NAME_BUFLEN 32 static void iflib_add_device_sysctl_pre(if_ctx_t ctx) { device_t dev = iflib_get_dev(ctx); struct sysctl_oid_list *child, *oid_list; struct sysctl_ctx_list *ctx_list; struct sysctl_oid *node; ctx_list = device_get_sysctl_ctx(dev); child = SYSCTL_CHILDREN(device_get_sysctl_tree(dev)); ctx->ifc_sysctl_node = node = SYSCTL_ADD_NODE(ctx_list, child, OID_AUTO, "iflib", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "IFLIB fields"); oid_list = SYSCTL_CHILDREN(node); SYSCTL_ADD_CONST_STRING(ctx_list, oid_list, OID_AUTO, "driver_version", CTLFLAG_RD, ctx->ifc_sctx->isc_driver_version, "driver version"); SYSCTL_ADD_U16(ctx_list, oid_list, OID_AUTO, "override_ntxqs", CTLFLAG_RWTUN, &ctx->ifc_sysctl_ntxqs, 0, "# of txqs to use, 0 => use default #"); SYSCTL_ADD_U16(ctx_list, oid_list, OID_AUTO, "override_nrxqs", CTLFLAG_RWTUN, &ctx->ifc_sysctl_nrxqs, 0, "# of rxqs to use, 0 => use default #"); SYSCTL_ADD_U16(ctx_list, oid_list, OID_AUTO, "override_qs_enable", CTLFLAG_RWTUN, &ctx->ifc_sysctl_qs_eq_override, 0, "permit #txq != #rxq"); SYSCTL_ADD_INT(ctx_list, oid_list, OID_AUTO, "disable_msix", CTLFLAG_RWTUN, &ctx->ifc_softc_ctx.isc_disable_msix, 0, "disable MSI-X (default 0)"); SYSCTL_ADD_U16(ctx_list, oid_list, OID_AUTO, "rx_budget", CTLFLAG_RWTUN, &ctx->ifc_sysctl_rx_budget, 0, "set the RX budget"); SYSCTL_ADD_U16(ctx_list, oid_list, OID_AUTO, "tx_abdicate", CTLFLAG_RWTUN, &ctx->ifc_sysctl_tx_abdicate, 0, "cause TX to abdicate instead of running to completion"); ctx->ifc_sysctl_core_offset = CORE_OFFSET_UNSPECIFIED; SYSCTL_ADD_U16(ctx_list, oid_list, OID_AUTO, "core_offset", CTLFLAG_RDTUN, &ctx->ifc_sysctl_core_offset, 0, "offset to start using cores at"); SYSCTL_ADD_U8(ctx_list, oid_list, OID_AUTO, "separate_txrx", CTLFLAG_RDTUN, &ctx->ifc_sysctl_separate_txrx, 0, "use separate cores for TX and RX"); SYSCTL_ADD_U8(ctx_list, oid_list, OID_AUTO, "use_logical_cores", CTLFLAG_RDTUN, &ctx->ifc_sysctl_use_logical_cores, 0, "try to make use of logical cores for TX and RX"); SYSCTL_ADD_U16(ctx_list, oid_list, OID_AUTO, "use_extra_msix_vectors", CTLFLAG_RDTUN, &ctx->ifc_sysctl_extra_msix_vectors, 0, "attempt to reserve the given number of extra MSI-X vectors during driver load for the creation of additional interfaces later"); SYSCTL_ADD_INT(ctx_list, oid_list, OID_AUTO, "allocated_msix_vectors", CTLFLAG_RDTUN, &ctx->ifc_softc_ctx.isc_vectors, 0, "total # of MSI-X vectors allocated by driver"); /* XXX change for per-queue sizes */ SYSCTL_ADD_PROC(ctx_list, oid_list, OID_AUTO, "override_ntxds", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT, ctx, IFLIB_NTXD_HANDLER, mp_ndesc_handler, "A", "list of # of TX descriptors to use, 0 = use default #"); SYSCTL_ADD_PROC(ctx_list, oid_list, OID_AUTO, "override_nrxds", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT, ctx, IFLIB_NRXD_HANDLER, mp_ndesc_handler, "A", "list of # of RX descriptors to use, 0 = use default #"); } static void iflib_add_device_sysctl_post(if_ctx_t ctx) { if_shared_ctx_t sctx = ctx->ifc_sctx; if_softc_ctx_t scctx = &ctx->ifc_softc_ctx; device_t dev = iflib_get_dev(ctx); struct sysctl_oid_list *child; struct sysctl_ctx_list *ctx_list; iflib_fl_t fl; iflib_txq_t txq; iflib_rxq_t rxq; int i, j; char namebuf[NAME_BUFLEN]; char *qfmt; struct sysctl_oid *queue_node, *fl_node, *node; struct sysctl_oid_list *queue_list, *fl_list; ctx_list = device_get_sysctl_ctx(dev); node = ctx->ifc_sysctl_node; child = SYSCTL_CHILDREN(node); if (scctx->isc_ntxqsets > 100) qfmt = "txq%03d"; else if (scctx->isc_ntxqsets > 10) qfmt = "txq%02d"; else qfmt = "txq%d"; for (i = 0, txq = ctx->ifc_txqs; i < scctx->isc_ntxqsets; i++, txq++) { snprintf(namebuf, NAME_BUFLEN, qfmt, i); queue_node = SYSCTL_ADD_NODE(ctx_list, child, OID_AUTO, namebuf, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Queue Name"); queue_list = SYSCTL_CHILDREN(queue_node); SYSCTL_ADD_INT(ctx_list, queue_list, OID_AUTO, "cpu", CTLFLAG_RD, &txq->ift_task.gt_cpu, 0, "cpu this queue is bound to"); #if MEMORY_LOGGING SYSCTL_ADD_UQUAD(ctx_list, queue_list, OID_AUTO, "txq_dequeued", CTLFLAG_RD, &txq->ift_dequeued, "total mbufs freed"); SYSCTL_ADD_UQUAD(ctx_list, queue_list, OID_AUTO, "txq_enqueued", CTLFLAG_RD, &txq->ift_enqueued, "total mbufs enqueued"); #endif SYSCTL_ADD_UQUAD(ctx_list, queue_list, OID_AUTO, "mbuf_defrag", CTLFLAG_RD, &txq->ift_mbuf_defrag, "# of times m_defrag was called"); SYSCTL_ADD_UQUAD(ctx_list, queue_list, OID_AUTO, "m_pullups", CTLFLAG_RD, &txq->ift_pullups, "# of times m_pullup was called"); SYSCTL_ADD_UQUAD(ctx_list, queue_list, OID_AUTO, "mbuf_defrag_failed", CTLFLAG_RD, &txq->ift_mbuf_defrag_failed, "# of times m_defrag failed"); SYSCTL_ADD_UQUAD(ctx_list, queue_list, OID_AUTO, "no_desc_avail", CTLFLAG_RD, &txq->ift_no_desc_avail, "# of times no descriptors were available"); SYSCTL_ADD_UQUAD(ctx_list, queue_list, OID_AUTO, "tx_map_failed", CTLFLAG_RD, &txq->ift_map_failed, "# of times DMA map failed"); SYSCTL_ADD_UQUAD(ctx_list, queue_list, OID_AUTO, "txd_encap_efbig", CTLFLAG_RD, &txq->ift_txd_encap_efbig, "# of times txd_encap returned EFBIG"); SYSCTL_ADD_UQUAD(ctx_list, queue_list, OID_AUTO, "no_tx_dma_setup", CTLFLAG_RD, &txq->ift_no_tx_dma_setup, "# of times map failed for other than EFBIG"); SYSCTL_ADD_U16(ctx_list, queue_list, OID_AUTO, "txq_pidx", CTLFLAG_RD, &txq->ift_pidx, 1, "Producer Index"); SYSCTL_ADD_U16(ctx_list, queue_list, OID_AUTO, "txq_cidx", CTLFLAG_RD, &txq->ift_cidx, 1, "Consumer Index"); SYSCTL_ADD_U16(ctx_list, queue_list, OID_AUTO, "txq_cidx_processed", CTLFLAG_RD, &txq->ift_cidx_processed, 1, "Consumer Index seen by credit update"); SYSCTL_ADD_U16(ctx_list, queue_list, OID_AUTO, "txq_in_use", CTLFLAG_RD, &txq->ift_in_use, 1, "descriptors in use"); SYSCTL_ADD_UQUAD(ctx_list, queue_list, OID_AUTO, "txq_processed", CTLFLAG_RD, &txq->ift_processed, "descriptors procesed for clean"); SYSCTL_ADD_UQUAD(ctx_list, queue_list, OID_AUTO, "txq_cleaned", CTLFLAG_RD, &txq->ift_cleaned, "total cleaned"); SYSCTL_ADD_PROC(ctx_list, queue_list, OID_AUTO, "ring_state", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, __DEVOLATILE(uint64_t *, &txq->ift_br->state), 0, mp_ring_state_handler, "A", "soft ring state"); SYSCTL_ADD_COUNTER_U64(ctx_list, queue_list, OID_AUTO, "r_enqueues", CTLFLAG_RD, &txq->ift_br->enqueues, "# of enqueues to the mp_ring for this queue"); SYSCTL_ADD_COUNTER_U64(ctx_list, queue_list, OID_AUTO, "r_drops", CTLFLAG_RD, &txq->ift_br->drops, "# of drops in the mp_ring for this queue"); SYSCTL_ADD_COUNTER_U64(ctx_list, queue_list, OID_AUTO, "r_starts", CTLFLAG_RD, &txq->ift_br->starts, "# of normal consumer starts in mp_ring for this queue"); SYSCTL_ADD_COUNTER_U64(ctx_list, queue_list, OID_AUTO, "r_stalls", CTLFLAG_RD, &txq->ift_br->stalls, "# of consumer stalls in the mp_ring for this queue"); SYSCTL_ADD_COUNTER_U64(ctx_list, queue_list, OID_AUTO, "r_restarts", CTLFLAG_RD, &txq->ift_br->restarts, "# of consumer restarts in the mp_ring for this queue"); SYSCTL_ADD_COUNTER_U64(ctx_list, queue_list, OID_AUTO, "r_abdications", CTLFLAG_RD, &txq->ift_br->abdications, "# of consumer abdications in the mp_ring for this queue"); } if (scctx->isc_nrxqsets > 100) qfmt = "rxq%03d"; else if (scctx->isc_nrxqsets > 10) qfmt = "rxq%02d"; else qfmt = "rxq%d"; for (i = 0, rxq = ctx->ifc_rxqs; i < scctx->isc_nrxqsets; i++, rxq++) { snprintf(namebuf, NAME_BUFLEN, qfmt, i); queue_node = SYSCTL_ADD_NODE(ctx_list, child, OID_AUTO, namebuf, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Queue Name"); queue_list = SYSCTL_CHILDREN(queue_node); SYSCTL_ADD_INT(ctx_list, queue_list, OID_AUTO, "cpu", CTLFLAG_RD, &rxq->ifr_task.gt_cpu, 0, "cpu this queue is bound to"); if (sctx->isc_flags & IFLIB_HAS_RXCQ) { SYSCTL_ADD_U16(ctx_list, queue_list, OID_AUTO, "rxq_cq_cidx", CTLFLAG_RD, &rxq->ifr_cq_cidx, 1, "Consumer Index"); } for (j = 0, fl = rxq->ifr_fl; j < rxq->ifr_nfl; j++, fl++) { snprintf(namebuf, NAME_BUFLEN, "rxq_fl%d", j); fl_node = SYSCTL_ADD_NODE(ctx_list, queue_list, OID_AUTO, namebuf, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "freelist Name"); fl_list = SYSCTL_CHILDREN(fl_node); SYSCTL_ADD_U16(ctx_list, fl_list, OID_AUTO, "pidx", CTLFLAG_RD, &fl->ifl_pidx, 1, "Producer Index"); SYSCTL_ADD_U16(ctx_list, fl_list, OID_AUTO, "cidx", CTLFLAG_RD, &fl->ifl_cidx, 1, "Consumer Index"); SYSCTL_ADD_U16(ctx_list, fl_list, OID_AUTO, "credits", CTLFLAG_RD, &fl->ifl_credits, 1, "credits available"); SYSCTL_ADD_U16(ctx_list, fl_list, OID_AUTO, "buf_size", CTLFLAG_RD, &fl->ifl_buf_size, 1, "buffer size"); #if MEMORY_LOGGING SYSCTL_ADD_UQUAD(ctx_list, fl_list, OID_AUTO, "fl_m_enqueued", CTLFLAG_RD, &fl->ifl_m_enqueued, "mbufs allocated"); SYSCTL_ADD_UQUAD(ctx_list, fl_list, OID_AUTO, "fl_m_dequeued", CTLFLAG_RD, &fl->ifl_m_dequeued, "mbufs freed"); SYSCTL_ADD_UQUAD(ctx_list, fl_list, OID_AUTO, "fl_cl_enqueued", CTLFLAG_RD, &fl->ifl_cl_enqueued, "clusters allocated"); SYSCTL_ADD_UQUAD(ctx_list, fl_list, OID_AUTO, "fl_cl_dequeued", CTLFLAG_RD, &fl->ifl_cl_dequeued, "clusters freed"); #endif } } } void iflib_request_reset(if_ctx_t ctx) { STATE_LOCK(ctx); ctx->ifc_flags |= IFC_DO_RESET; STATE_UNLOCK(ctx); } #ifndef __NO_STRICT_ALIGNMENT static struct mbuf * iflib_fixup_rx(struct mbuf *m) { struct mbuf *n; if (m->m_len <= (MCLBYTES - ETHER_HDR_LEN)) { bcopy(m->m_data, m->m_data + ETHER_HDR_LEN, m->m_len); m->m_data += ETHER_HDR_LEN; n = m; } else { MGETHDR(n, M_NOWAIT, MT_DATA); if (n == NULL) { m_freem(m); return (NULL); } bcopy(m->m_data, n->m_data, ETHER_HDR_LEN); m->m_data += ETHER_HDR_LEN; m->m_len -= ETHER_HDR_LEN; n->m_len = ETHER_HDR_LEN; M_MOVE_PKTHDR(n, m); n->m_next = m; } return (n); } #endif #ifdef DEBUGNET static void iflib_debugnet_init(if_t ifp, int *nrxr, int *ncl, int *clsize) { if_ctx_t ctx; ctx = if_getsoftc(ifp); CTX_LOCK(ctx); *nrxr = NRXQSETS(ctx); *ncl = ctx->ifc_rxqs[0].ifr_fl->ifl_size; *clsize = ctx->ifc_rxqs[0].ifr_fl->ifl_buf_size; CTX_UNLOCK(ctx); } static void iflib_debugnet_event(if_t ifp, enum debugnet_ev event) { if_ctx_t ctx; if_softc_ctx_t scctx; iflib_fl_t fl; iflib_rxq_t rxq; int i, j; ctx = if_getsoftc(ifp); scctx = &ctx->ifc_softc_ctx; switch (event) { case DEBUGNET_START: for (i = 0; i < scctx->isc_nrxqsets; i++) { rxq = &ctx->ifc_rxqs[i]; for (j = 0; j < rxq->ifr_nfl; j++) { fl = rxq->ifr_fl; fl->ifl_zone = m_getzone(fl->ifl_buf_size); } } iflib_no_tx_batch = 1; break; default: break; } } static int iflib_debugnet_transmit(if_t ifp, struct mbuf *m) { if_ctx_t ctx; iflib_txq_t txq; int error; ctx = if_getsoftc(ifp); if ((if_getdrvflags(ifp) & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != IFF_DRV_RUNNING) return (EBUSY); txq = &ctx->ifc_txqs[0]; error = iflib_encap(txq, &m); if (error == 0) (void)iflib_txd_db_check(txq, true); return (error); } static int iflib_debugnet_poll(if_t ifp, int count) { struct epoch_tracker et; if_ctx_t ctx; if_softc_ctx_t scctx; iflib_txq_t txq; int i; ctx = if_getsoftc(ifp); scctx = &ctx->ifc_softc_ctx; if ((if_getdrvflags(ifp) & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != IFF_DRV_RUNNING) return (EBUSY); txq = &ctx->ifc_txqs[0]; (void)iflib_completed_tx_reclaim(txq, RECLAIM_THRESH(ctx)); NET_EPOCH_ENTER(et); for (i = 0; i < scctx->isc_nrxqsets; i++) (void)iflib_rxeof(&ctx->ifc_rxqs[i], 16 /* XXX */); NET_EPOCH_EXIT(et); return (0); } #endif /* DEBUGNET */ diff --git a/sys/net/iflib.h b/sys/net/iflib.h index bf40c7429fb8..fbadab0af565 100644 --- a/sys/net/iflib.h +++ b/sys/net/iflib.h @@ -1,506 +1,506 @@ /*- * Copyright (c) 2014-2017, Matthew Macy (mmacy@mattmacy.io) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Neither the name of Matthew Macy nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef __IFLIB_H_ #define __IFLIB_H_ #include #include #include #include #include #include /* * The value type for indexing, limits max descriptors * to 65535 can be conditionally redefined to uint32_t * in the future if the need arises. */ typedef uint16_t qidx_t; #define QIDX_INVALID 0xFFFF struct iflib_ctx; typedef struct iflib_ctx *if_ctx_t; struct if_shared_ctx; typedef const struct if_shared_ctx *if_shared_ctx_t; struct if_int_delay_info; typedef struct if_int_delay_info *if_int_delay_info_t; /* * File organization: * - public structures * - iflib accessors * - iflib utility functions * - iflib core functions */ typedef struct if_rxd_frag { uint8_t irf_flid; qidx_t irf_idx; uint16_t irf_len; } *if_rxd_frag_t; /* bnxt supports 64 with hardware LRO enabled */ #define IFLIB_MAX_RX_SEGS 64 typedef struct if_rxd_info { /* set by iflib */ uint16_t iri_qsidx; /* qset index */ uint16_t iri_vtag; /* vlan tag - if flag set */ /* XXX redundant with the new irf_len field */ uint16_t iri_len; /* packet length */ qidx_t iri_cidx; /* consumer index of cq */ if_t iri_ifp; /* driver may have >1 iface per softc */ /* updated by driver */ if_rxd_frag_t iri_frags; uint32_t iri_flowid; /* RSS hash for packet */ uint32_t iri_csum_flags; /* m_pkthdr csum flags */ uint32_t iri_csum_data; /* m_pkthdr csum data */ uint8_t iri_flags; /* mbuf flags for packet */ uint8_t iri_nfrags; /* number of fragments in packet */ uint8_t iri_rsstype; /* RSS hash type */ uint8_t iri_pad; /* any padding in the received data */ } *if_rxd_info_t; typedef struct if_rxd_update { uint64_t *iru_paddrs; qidx_t *iru_idxs; qidx_t iru_pidx; uint16_t iru_qsidx; uint16_t iru_count; uint16_t iru_buf_size; uint8_t iru_flidx; } *if_rxd_update_t; #define IPI_TX_INTR 0x1 /* send an interrupt when this packet is sent */ #define IPI_TX_IPV4 0x2 /* ethertype IPv4 */ #define IPI_TX_IPV6 0x4 /* ethertype IPv6 */ typedef struct if_pkt_info { bus_dma_segment_t *ipi_segs; /* physical addresses */ uint32_t ipi_len; /* packet length */ uint16_t ipi_qsidx; /* queue set index */ qidx_t ipi_nsegs; /* number of segments */ qidx_t ipi_ndescs; /* number of descriptors used by encap */ uint16_t ipi_flags; /* iflib per-packet flags */ qidx_t ipi_pidx; /* start pidx for encap */ qidx_t ipi_new_pidx; /* next available pidx post-encap */ /* offload handling */ uint8_t ipi_ehdrlen; /* ether header length */ uint8_t ipi_ip_hlen; /* ip header length */ uint8_t ipi_tcp_hlen; /* tcp header length */ uint8_t ipi_ipproto; /* ip protocol */ uint32_t ipi_csum_flags; /* packet checksum flags */ uint16_t ipi_tso_segsz; /* tso segment size */ uint16_t ipi_vtag; /* VLAN tag */ uint16_t ipi_etype; /* ether header type */ uint8_t ipi_tcp_hflags; /* tcp header flags */ uint8_t ipi_mflags; /* packet mbuf flags */ uint32_t ipi_tcp_seq; /* tcp seqno */ uint8_t ipi_ip_tos; /* IP ToS field data */ uint8_t __spare0__; uint16_t __spare1__; } *if_pkt_info_t; typedef struct if_irq { struct resource *ii_res; int __spare0__; void *ii_tag; } *if_irq_t; struct if_int_delay_info { if_ctx_t iidi_ctx; /* Back-pointer to the iflib ctx (softc) */ int iidi_offset; /* Register offset to read/write */ int iidi_value; /* Current value in usecs */ struct sysctl_oid *iidi_oidp; struct sysctl_req *iidi_req; }; typedef enum { IFLIB_INTR_LEGACY, IFLIB_INTR_MSI, IFLIB_INTR_MSIX } iflib_intr_mode_t; /* * This really belongs in pciio.h or some place more general * but this is the only consumer for now. */ typedef struct pci_vendor_info { uint32_t pvi_vendor_id; uint32_t pvi_device_id; uint32_t pvi_subvendor_id; uint32_t pvi_subdevice_id; uint32_t pvi_rev_id; uint32_t pvi_class_mask; const char *pvi_name; } pci_vendor_info_t; #define PVID(vendor, devid, name) {vendor, devid, 0, 0, 0, 0, name} #define PVID_OEM(vendor, devid, svid, sdevid, revid, name) {vendor, devid, svid, sdevid, revid, 0, name} #define PVID_END {0, 0, 0, 0, 0, 0, NULL} /* No drivers in tree currently match on anything except vendor:device. */ #define IFLIB_PNP_DESCR "U32:vendor;U32:device;U32:#;U32:#;" \ "U32:#;U32:#;D:#" #define IFLIB_PNP_INFO(b, u, t) \ MODULE_PNP_INFO(IFLIB_PNP_DESCR, b, u, t, nitems(t) - 1) typedef struct if_txrx { int (*ift_txd_encap) (void *, if_pkt_info_t); void (*ift_txd_flush) (void *, uint16_t, qidx_t pidx); int (*ift_txd_credits_update) (void *, uint16_t qsidx, bool clear); int (*ift_rxd_available) (void *, uint16_t qsidx, qidx_t pidx, qidx_t budget); int (*ift_rxd_pkt_get) (void *, if_rxd_info_t ri); void (*ift_rxd_refill) (void * , if_rxd_update_t iru); void (*ift_rxd_flush) (void *, uint16_t qsidx, uint8_t flidx, qidx_t pidx); int (*ift_legacy_intr) (void *); qidx_t (*ift_txq_select) (void *, struct mbuf *); qidx_t (*ift_txq_select_v2) (void *, struct mbuf *, if_pkt_info_t); } *if_txrx_t; typedef struct if_softc_ctx { int isc_vectors; int isc_nrxqsets; int isc_ntxqsets; uint16_t __spare0__; uint32_t __spare1__; int isc_msix_bar; /* can be model specific - initialize in attach_pre */ int isc_tx_nsegments; /* can be model specific - initialize in attach_pre */ int isc_ntxd[8]; int isc_nrxd[8]; uint32_t isc_txqsizes[8]; uint32_t isc_rxqsizes[8]; /* is there such thing as a descriptor that is more than 248 bytes ? */ uint8_t isc_txd_size[8]; uint8_t isc_rxd_size[8]; int isc_tx_tso_segments_max; int isc_tx_tso_size_max; int isc_tx_tso_segsize_max; int isc_tx_csum_flags; int isc_capabilities; int isc_capenable; int isc_rss_table_size; int isc_rss_table_mask; int isc_nrxqsets_max; int isc_ntxqsets_max; uint32_t __spare2__; iflib_intr_mode_t isc_intr; uint16_t isc_rxd_buf_size[8]; /* set at init time by driver, 0 means use iflib-calculated size based on isc_max_frame_size */ uint16_t isc_max_frame_size; /* set at init time by driver */ uint16_t isc_min_frame_size; /* set at init time by driver, only used if IFLIB_NEED_ETHER_PAD is set. */ uint32_t isc_pause_frames; /* set by driver for iflib_timer to detect */ uint32_t __spare3__; uint32_t __spare4__; uint32_t __spare5__; uint32_t __spare6__; uint32_t __spare7__; uint32_t __spare8__; caddr_t __spare9__; int isc_disable_msix; if_txrx_t isc_txrx; struct ifmedia *isc_media; bus_size_t isc_dma_width; /* device dma width in bits, 0 means use BUS_SPACE_MAXADDR instead */ } *if_softc_ctx_t; /* * Initialization values for device */ struct if_shared_ctx { unsigned isc_magic; driver_t *isc_driver; bus_size_t isc_q_align; bus_size_t isc_tx_maxsize; bus_size_t isc_tx_maxsegsize; bus_size_t isc_tso_maxsize; bus_size_t isc_tso_maxsegsize; bus_size_t isc_rx_maxsize; bus_size_t isc_rx_maxsegsize; int isc_rx_nsegments; int isc_admin_intrcnt; /* # of admin/link interrupts */ /* fields necessary for probe */ const pci_vendor_info_t *isc_vendor_info; const char *isc_driver_version; /* optional function to transform the read values to match the table*/ void (*isc_parse_devinfo) (uint16_t *device_id, uint16_t *subvendor_id, uint16_t *subdevice_id, uint16_t *rev_id); int isc_nrxd_min[8]; int isc_nrxd_default[8]; int isc_nrxd_max[8]; int isc_ntxd_min[8]; int isc_ntxd_default[8]; int isc_ntxd_max[8]; /* actively used during operation */ int isc_nfl __aligned(CACHE_LINE_SIZE); int isc_ntxqs; /* # of tx queues per tx qset - usually 1 */ int isc_nrxqs; /* # of rx queues per rx qset - intel 1, chelsio 2, broadcom 3 */ int __spare0__; int isc_tx_reclaim_thresh; int isc_flags; }; typedef struct iflib_dma_info { bus_addr_t idi_paddr; caddr_t idi_vaddr; bus_dma_tag_t idi_tag; bus_dmamap_t idi_map; uint32_t idi_size; } *iflib_dma_info_t; #define IFLIB_MAGIC 0xCAFEF00D typedef enum { /* Interrupt or softirq handles only receive */ IFLIB_INTR_RX, /* Interrupt or softirq handles only transmit */ IFLIB_INTR_TX, /* * Interrupt will check for both pending receive * and available tx credits and dispatch a task * for one or both depending on the disposition * of the respective queues. */ IFLIB_INTR_RXTX, /* * Other interrupt - typically link status and * or error conditions. */ IFLIB_INTR_ADMIN, /* Softirq (task) for iov handling */ IFLIB_INTR_IOV, } iflib_intr_type_t; /* * Interface has a separate completion queue for RX */ #define IFLIB_HAS_RXCQ 0x01 /* * Driver has already allocated vectors */ #define IFLIB_SKIP_MSIX 0x02 /* * Interface is a virtual function */ #define IFLIB_IS_VF 0x04 /* * Interface has a separate completion queue for TX */ #define IFLIB_HAS_TXCQ 0x08 /* * Interface does checksum in place */ #define IFLIB_NEED_SCRATCH 0x10 /* * Interface doesn't expect in_pseudo for th_sum */ #define IFLIB_TSO_INIT_IP 0x20 /* * Interface doesn't align IP header */ #define IFLIB_DO_RX_FIXUP 0x40 /* * Driver needs csum zeroed for offloading */ #define IFLIB_NEED_ZERO_CSUM 0x80 /* * Driver needs frames padded to some minimum length */ #define IFLIB_NEED_ETHER_PAD 0x100 #define IFLIB_SPARE7 0x200 #define IFLIB_SPARE6 0x400 #define IFLIB_SPARE5 0x800 #define IFLIB_SPARE4 0x1000 #define IFLIB_SPARE3 0x2000 #define IFLIB_SPARE2 0x4000 #define IFLIB_SPARE1 0x8000 /* * Interface needs admin task to ignore interface up/down status */ #define IFLIB_ADMIN_ALWAYS_RUN 0x10000 /* * Driver will pass the media */ #define IFLIB_DRIVER_MEDIA 0x20000 /* * When using a single hardware interrupt for the interface, only process RX * interrupts instead of doing combined RX/TX processing. */ #define IFLIB_SINGLE_IRQ_RX_ONLY 0x40000 #define IFLIB_SPARE0 0x80000 /* * Interface has an admin completion queue */ #define IFLIB_HAS_ADMINCQ 0x100000 /* * Interface needs to preserve TX ring indices across restarts. */ #define IFLIB_PRESERVE_TX_INDICES 0x200000 /* The following IFLIB_FEATURE_* defines are for driver modules to determine * what features this version of iflib supports. They shall be defined to the * first __FreeBSD_version that introduced the feature. */ /* * Driver can set its own TX queue selection function * as ift_txq_select in struct if_txrx */ #define IFLIB_FEATURE_QUEUE_SELECT 1400050 /* * Driver can set its own TX queue selection function * as ift_txq_select_v2 in struct if_txrx. This includes * having iflib send L3+ extra header information to the * function. */ #define IFLIB_FEATURE_QUEUE_SELECT_V2 1400073 /* * Driver can create subinterfaces with their own Tx/Rx queues * that all share a single device (or commonly, port) */ #define IFLIB_FEATURE_SUB_INTERFACES 1500014 /* * These enum values are used in iflib_needs_restart to indicate to iflib * functions whether or not the interface needs restarting when certain events * happen. */ enum iflib_restart_event { IFLIB_RESTART_VLAN_CONFIG, }; /* * field accessors */ void *iflib_get_softc(if_ctx_t ctx); device_t iflib_get_dev(if_ctx_t ctx); if_t iflib_get_ifp(if_ctx_t ctx); struct ifmedia *iflib_get_media(if_ctx_t ctx); if_softc_ctx_t iflib_get_softc_ctx(if_ctx_t ctx); if_shared_ctx_t iflib_get_sctx(if_ctx_t ctx); void iflib_set_mac(if_ctx_t ctx, uint8_t mac[ETHER_ADDR_LEN]); void iflib_request_reset(if_ctx_t ctx); uint8_t iflib_in_detach(if_ctx_t ctx); uint32_t iflib_get_rx_mbuf_sz(if_ctx_t ctx); /* * If the driver can plug cleanly in to newbus use these */ int iflib_device_probe(device_t); int iflib_device_attach(device_t); int iflib_device_detach(device_t); int iflib_device_suspend(device_t); int iflib_device_resume(device_t); int iflib_device_shutdown(device_t); /* * Use this instead of iflib_device_probe if the driver should report * BUS_PROBE_VENDOR instead of BUS_PROBE_DEFAULT. (For example, an out-of-tree * driver based on iflib). */ int iflib_device_probe_vendor(device_t); int iflib_device_iov_init(device_t, uint16_t, const nvlist_t *); void iflib_device_iov_uninit(device_t); int iflib_device_iov_add_vf(device_t, uint16_t, const nvlist_t *); /* * If the driver can't plug cleanly in to newbus * use these */ int iflib_device_register(device_t dev, void *softc, if_shared_ctx_t sctx, if_ctx_t *ctxp); int iflib_device_deregister(if_ctx_t); int iflib_irq_alloc(if_ctx_t, if_irq_t, int, driver_filter_t, void *filter_arg, driver_intr_t, void *arg, const char *name); int iflib_irq_alloc_generic(if_ctx_t ctx, if_irq_t irq, int rid, iflib_intr_type_t type, driver_filter_t *filter, void *filter_arg, int qid, const char *name); void iflib_softirq_alloc_generic(if_ctx_t ctx, if_irq_t irq, iflib_intr_type_t type, void *arg, int qid, const char *name); void iflib_irq_free(if_ctx_t ctx, if_irq_t irq); void iflib_io_tqg_attach(struct grouptask *gt, void *uniq, int cpu, const char *name); -void iflib_config_gtask_init(void *ctx, struct grouptask *gtask, - gtask_fn_t *fn, const char *name); -void iflib_config_gtask_deinit(struct grouptask *gtask); +void iflib_config_task_init(if_ctx_t ctx, struct task *config_task, + task_fn_t *fn); +void iflib_config_task_enqueue(if_ctx_t ctx, struct task *config_task); void iflib_tx_intr_deferred(if_ctx_t ctx, int txqid); void iflib_rx_intr_deferred(if_ctx_t ctx, int rxqid); void iflib_admin_intr_deferred(if_ctx_t ctx); void iflib_iov_intr_deferred(if_ctx_t ctx); void iflib_link_state_change(if_ctx_t ctx, int linkstate, uint64_t baudrate); int iflib_dma_alloc(if_ctx_t ctx, int size, iflib_dma_info_t dma, int mapflags); int iflib_dma_alloc_align(if_ctx_t ctx, int size, int align, iflib_dma_info_t dma, int mapflags); void iflib_dma_free(iflib_dma_info_t dma); int iflib_dma_alloc_multi(if_ctx_t ctx, int *sizes, iflib_dma_info_t *dmalist, int mapflags, int count); void iflib_dma_free_multi(iflib_dma_info_t *dmalist, int count); struct sx *iflib_ctx_lock_get(if_ctx_t); void iflib_led_create(if_ctx_t ctx); void iflib_add_int_delay_sysctl(if_ctx_t, const char *, const char *, if_int_delay_info_t, int, int); uint16_t iflib_get_extra_msix_vectors_sysctl(if_ctx_t ctx); /* * Sub-interface support */ int iflib_irq_alloc_generic_subctx(if_ctx_t ctx, if_ctx_t subctx, if_irq_t irq, int rid, iflib_intr_type_t type, driver_filter_t *filter, void *filter_arg, int qid, const char *name); #endif /* __IFLIB_H_ */