Index: projects/cxl_iscsi/sys/dev/ixgbe/if_ixv.c =================================================================== --- projects/cxl_iscsi/sys/dev/ixgbe/if_ixv.c (revision 280228) +++ projects/cxl_iscsi/sys/dev/ixgbe/if_ixv.c (revision 280229) @@ -1,2108 +1,2108 @@ /****************************************************************************** Copyright (c) 2001-2015, Intel Corporation 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. 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. 3. Neither the name of the Intel Corporation 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. ******************************************************************************/ /*$FreeBSD$*/ #ifndef IXGBE_STANDALONE_BUILD #include "opt_inet.h" #include "opt_inet6.h" #endif #include "ixgbe.h" /********************************************************************* * Driver version *********************************************************************/ char ixv_driver_version[] = "1.2.5"; /********************************************************************* * PCI Device ID Table * * Used by probe to select devices to load on * Last field stores an index into ixv_strings * Last entry must be all 0s * * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index } *********************************************************************/ static ixgbe_vendor_info_t ixv_vendor_info_array[] = { {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_VF, 0, 0, 0}, {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540_VF, 0, 0, 0}, {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550_VF, 0, 0, 0}, {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_VF, 0, 0, 0}, {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_VF, 0, 0, 0}, /* required last entry */ {0, 0, 0, 0, 0} }; /********************************************************************* * Table of branding strings *********************************************************************/ static char *ixv_strings[] = { "Intel(R) PRO/10GbE Virtual Function Network Driver" }; /********************************************************************* * Function prototypes *********************************************************************/ static int ixv_probe(device_t); static int ixv_attach(device_t); static int ixv_detach(device_t); static int ixv_shutdown(device_t); static int ixv_ioctl(struct ifnet *, u_long, caddr_t); static void ixv_init(void *); static void ixv_init_locked(struct adapter *); static void ixv_stop(void *); static void ixv_media_status(struct ifnet *, struct ifmediareq *); static int ixv_media_change(struct ifnet *); static void ixv_identify_hardware(struct adapter *); static int ixv_allocate_pci_resources(struct adapter *); static int ixv_allocate_msix(struct adapter *); static int ixv_setup_msix(struct adapter *); static void ixv_free_pci_resources(struct adapter *); static void ixv_local_timer(void *); static void ixv_setup_interface(device_t, struct adapter *); static void ixv_config_link(struct adapter *); static void ixv_initialize_transmit_units(struct adapter *); static void ixv_initialize_receive_units(struct adapter *); static void ixv_enable_intr(struct adapter *); static void ixv_disable_intr(struct adapter *); static void ixv_set_multi(struct adapter *); static void ixv_update_link_status(struct adapter *); static int ixv_sysctl_debug(SYSCTL_HANDLER_ARGS); static void ixv_set_ivar(struct adapter *, u8, u8, s8); static void ixv_configure_ivars(struct adapter *); static u8 * ixv_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *); static void ixv_setup_vlan_support(struct adapter *); static void ixv_register_vlan(void *, struct ifnet *, u16); static void ixv_unregister_vlan(void *, struct ifnet *, u16); static void ixv_save_stats(struct adapter *); static void ixv_init_stats(struct adapter *); static void ixv_update_stats(struct adapter *); static void ixv_add_stats_sysctls(struct adapter *); /* The MSI/X Interrupt handlers */ static void ixv_msix_que(void *); static void ixv_msix_mbx(void *); /* Deferred interrupt tasklets */ static void ixv_handle_que(void *, int); static void ixv_handle_mbx(void *, int); /********************************************************************* * FreeBSD Device Interface Entry Points *********************************************************************/ static device_method_t ixv_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ixv_probe), DEVMETHOD(device_attach, ixv_attach), DEVMETHOD(device_detach, ixv_detach), DEVMETHOD(device_shutdown, ixv_shutdown), DEVMETHOD_END }; static driver_t ixv_driver = { "ixv", ixv_methods, sizeof(struct adapter), }; devclass_t ixv_devclass; DRIVER_MODULE(ixv, pci, ixv_driver, ixv_devclass, 0, 0); MODULE_DEPEND(ixv, pci, 1, 1, 1); MODULE_DEPEND(ixv, ether, 1, 1, 1); /* XXX depend on 'ix' ? */ /* ** TUNEABLE PARAMETERS: */ /* ** AIM: Adaptive Interrupt Moderation ** which means that the interrupt rate ** is varied over time based on the ** traffic for that interrupt vector */ static int ixv_enable_aim = FALSE; TUNABLE_INT("hw.ixv.enable_aim", &ixv_enable_aim); /* How many packets rxeof tries to clean at a time */ static int ixv_rx_process_limit = 256; TUNABLE_INT("hw.ixv.rx_process_limit", &ixv_rx_process_limit); /* How many packets txeof tries to clean at a time */ static int ixv_tx_process_limit = 256; TUNABLE_INT("hw.ixv.tx_process_limit", &ixv_tx_process_limit); /* Flow control setting, default to full */ static int ixv_flow_control = ixgbe_fc_full; TUNABLE_INT("hw.ixv.flow_control", &ixv_flow_control); /* * Header split: this causes the hardware to DMA * the header into a seperate mbuf from the payload, * it can be a performance win in some workloads, but * in others it actually hurts, its off by default. */ static int ixv_header_split = FALSE; TUNABLE_INT("hw.ixv.hdr_split", &ixv_header_split); /* ** Number of TX descriptors per ring, ** setting higher than RX as this seems ** the better performing choice. */ static int ixv_txd = DEFAULT_TXD; TUNABLE_INT("hw.ixv.txd", &ixv_txd); /* Number of RX descriptors per ring */ static int ixv_rxd = DEFAULT_RXD; TUNABLE_INT("hw.ixv.rxd", &ixv_rxd); /* ** Shadow VFTA table, this is needed because ** the real filter table gets cleared during ** a soft reset and we need to repopulate it. */ static u32 ixv_shadow_vfta[IXGBE_VFTA_SIZE]; /********************************************************************* * Device identification routine * * ixv_probe determines if the driver should be loaded on * adapter based on PCI vendor/device id of the adapter. * * return BUS_PROBE_DEFAULT on success, positive on failure *********************************************************************/ static int ixv_probe(device_t dev) { ixgbe_vendor_info_t *ent; u16 pci_vendor_id = 0; u16 pci_device_id = 0; u16 pci_subvendor_id = 0; u16 pci_subdevice_id = 0; char adapter_name[256]; pci_vendor_id = pci_get_vendor(dev); if (pci_vendor_id != IXGBE_INTEL_VENDOR_ID) return (ENXIO); pci_device_id = pci_get_device(dev); pci_subvendor_id = pci_get_subvendor(dev); pci_subdevice_id = pci_get_subdevice(dev); ent = ixv_vendor_info_array; while (ent->vendor_id != 0) { if ((pci_vendor_id == ent->vendor_id) && (pci_device_id == ent->device_id) && ((pci_subvendor_id == ent->subvendor_id) || (ent->subvendor_id == 0)) && ((pci_subdevice_id == ent->subdevice_id) || (ent->subdevice_id == 0))) { sprintf(adapter_name, "%s, Version - %s", ixv_strings[ent->index], ixv_driver_version); device_set_desc_copy(dev, adapter_name); return (BUS_PROBE_DEFAULT); } ent++; } return (ENXIO); } /********************************************************************* * Device initialization routine * * The attach entry point is called when the driver is being loaded. * This routine identifies the type of hardware, allocates all resources * and initializes the hardware. * * return 0 on success, positive on failure *********************************************************************/ static int ixv_attach(device_t dev) { struct adapter *adapter; struct ixgbe_hw *hw; int error = 0; INIT_DEBUGOUT("ixv_attach: begin"); /* Allocate, clear, and link in our adapter structure */ adapter = device_get_softc(dev); adapter->dev = adapter->osdep.dev = dev; hw = &adapter->hw; /* Core Lock Init*/ IXGBE_CORE_LOCK_INIT(adapter, device_get_nameunit(dev)); /* SYSCTL APIs */ SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "debug", CTLTYPE_INT | CTLFLAG_RW, adapter, 0, ixv_sysctl_debug, "I", "Debug Info"); SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "enable_aim", CTLFLAG_RW, &ixv_enable_aim, 1, "Interrupt Moderation"); /* Set up the timer callout */ callout_init_mtx(&adapter->timer, &adapter->core_mtx, 0); /* Determine hardware revision */ ixv_identify_hardware(adapter); /* Do base PCI setup - map BAR0 */ if (ixv_allocate_pci_resources(adapter)) { device_printf(dev, "Allocation of PCI resources failed\n"); error = ENXIO; goto err_out; } /* Do descriptor calc and sanity checks */ if (((ixv_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 || ixv_txd < MIN_TXD || ixv_txd > MAX_TXD) { device_printf(dev, "TXD config issue, using default!\n"); adapter->num_tx_desc = DEFAULT_TXD; } else adapter->num_tx_desc = ixv_txd; if (((ixv_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 || ixv_rxd < MIN_RXD || ixv_rxd > MAX_RXD) { device_printf(dev, "RXD config issue, using default!\n"); adapter->num_rx_desc = DEFAULT_RXD; } else adapter->num_rx_desc = ixv_rxd; /* Allocate our TX/RX Queues */ if (ixgbe_allocate_queues(adapter)) { error = ENOMEM; goto err_out; } /* ** Initialize the shared code: its ** at this point the mac type is set. */ error = ixgbe_init_shared_code(hw); if (error) { device_printf(dev,"Shared Code Initialization Failure\n"); error = EIO; goto err_late; } /* Setup the mailbox */ ixgbe_init_mbx_params_vf(hw); ixgbe_reset_hw(hw); error = ixgbe_init_hw(hw); if (error) { device_printf(dev,"Hardware Initialization Failure\n"); error = EIO; goto err_late; } error = ixv_allocate_msix(adapter); if (error) goto err_late; /* If no mac address was assigned, make a random one */ if (!ixv_check_ether_addr(hw->mac.addr)) { u8 addr[ETHER_ADDR_LEN]; arc4rand(&addr, sizeof(addr), 0); addr[0] &= 0xFE; addr[0] |= 0x02; bcopy(addr, hw->mac.addr, sizeof(addr)); } /* Setup OS specific network interface */ ixv_setup_interface(dev, adapter); /* Do the stats setup */ ixv_save_stats(adapter); ixv_init_stats(adapter); ixv_add_stats_sysctls(adapter); /* Register for VLAN events */ adapter->vlan_attach = EVENTHANDLER_REGISTER(vlan_config, ixv_register_vlan, adapter, EVENTHANDLER_PRI_FIRST); adapter->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig, ixv_unregister_vlan, adapter, EVENTHANDLER_PRI_FIRST); INIT_DEBUGOUT("ixv_attach: end"); return (0); err_late: ixgbe_free_transmit_structures(adapter); ixgbe_free_receive_structures(adapter); err_out: ixv_free_pci_resources(adapter); return (error); } /********************************************************************* * Device removal routine * * The detach entry point is called when the driver is being removed. * This routine stops the adapter and deallocates all the resources * that were allocated for driver operation. * * return 0 on success, positive on failure *********************************************************************/ static int ixv_detach(device_t dev) { struct adapter *adapter = device_get_softc(dev); struct ix_queue *que = adapter->queues; INIT_DEBUGOUT("ixv_detach: begin"); /* Make sure VLANS are not using driver */ if (adapter->ifp->if_vlantrunk != NULL) { device_printf(dev,"Vlan in use, detach first\n"); return (EBUSY); } IXGBE_CORE_LOCK(adapter); ixv_stop(adapter); IXGBE_CORE_UNLOCK(adapter); for (int i = 0; i < adapter->num_queues; i++, que++) { if (que->tq) { struct tx_ring *txr = que->txr; taskqueue_drain(que->tq, &txr->txq_task); taskqueue_drain(que->tq, &que->que_task); taskqueue_free(que->tq); } } /* Drain the Mailbox(link) queue */ if (adapter->tq) { taskqueue_drain(adapter->tq, &adapter->link_task); taskqueue_free(adapter->tq); } /* Unregister VLAN events */ if (adapter->vlan_attach != NULL) EVENTHANDLER_DEREGISTER(vlan_config, adapter->vlan_attach); if (adapter->vlan_detach != NULL) EVENTHANDLER_DEREGISTER(vlan_unconfig, adapter->vlan_detach); ether_ifdetach(adapter->ifp); callout_drain(&adapter->timer); ixv_free_pci_resources(adapter); bus_generic_detach(dev); if_free(adapter->ifp); ixgbe_free_transmit_structures(adapter); ixgbe_free_receive_structures(adapter); IXGBE_CORE_LOCK_DESTROY(adapter); return (0); } /********************************************************************* * * Shutdown entry point * **********************************************************************/ static int ixv_shutdown(device_t dev) { struct adapter *adapter = device_get_softc(dev); IXGBE_CORE_LOCK(adapter); ixv_stop(adapter); IXGBE_CORE_UNLOCK(adapter); return (0); } /********************************************************************* * Ioctl entry point * * ixv_ioctl is called when the user wants to configure the * interface. * * return 0 on success, positive on failure **********************************************************************/ static int ixv_ioctl(struct ifnet * ifp, u_long command, caddr_t data) { struct adapter *adapter = ifp->if_softc; struct ifreq *ifr = (struct ifreq *) data; #if defined(INET) || defined(INET6) struct ifaddr *ifa = (struct ifaddr *) data; bool avoid_reset = FALSE; #endif int error = 0; 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 #if defined(INET) || defined(INET6) /* ** Calling init results in link renegotiation, ** so we avoid doing it when possible. */ if (avoid_reset) { ifp->if_flags |= IFF_UP; if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) ixv_init(adapter); if (!(ifp->if_flags & IFF_NOARP)) arp_ifinit(ifp, ifa); } else error = ether_ioctl(ifp, command, data); break; #endif case SIOCSIFMTU: IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); if (ifr->ifr_mtu > IXGBE_MAX_FRAME_SIZE - ETHER_HDR_LEN) { error = EINVAL; } else { IXGBE_CORE_LOCK(adapter); ifp->if_mtu = ifr->ifr_mtu; adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; ixv_init_locked(adapter); IXGBE_CORE_UNLOCK(adapter); } break; case SIOCSIFFLAGS: IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); IXGBE_CORE_LOCK(adapter); if (ifp->if_flags & IFF_UP) { if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) ixv_init_locked(adapter); } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) ixv_stop(adapter); adapter->if_flags = ifp->if_flags; IXGBE_CORE_UNLOCK(adapter); break; case SIOCADDMULTI: case SIOCDELMULTI: IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); if (ifp->if_drv_flags & IFF_DRV_RUNNING) { IXGBE_CORE_LOCK(adapter); ixv_disable_intr(adapter); ixv_set_multi(adapter); ixv_enable_intr(adapter); IXGBE_CORE_UNLOCK(adapter); } break; case SIOCSIFMEDIA: case SIOCGIFMEDIA: IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); error = ifmedia_ioctl(ifp, ifr, &adapter->media, command); break; case SIOCSIFCAP: { int mask = ifr->ifr_reqcap ^ ifp->if_capenable; IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); if (mask & IFCAP_HWCSUM) ifp->if_capenable ^= IFCAP_HWCSUM; if (mask & IFCAP_TSO4) ifp->if_capenable ^= IFCAP_TSO4; if (mask & IFCAP_LRO) ifp->if_capenable ^= IFCAP_LRO; if (mask & IFCAP_VLAN_HWTAGGING) ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING; if (ifp->if_drv_flags & IFF_DRV_RUNNING) { IXGBE_CORE_LOCK(adapter); ixv_init_locked(adapter); IXGBE_CORE_UNLOCK(adapter); } VLAN_CAPABILITIES(ifp); break; } default: IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)\n", (int)command); error = ether_ioctl(ifp, command, data); break; } return (error); } /********************************************************************* * Init entry point * * This routine is used in two ways. It is used by the stack as * init entry point in network interface structure. It is also used * by the driver as a hw/sw initialization routine to get to a * consistent state. * * return 0 on success, positive on failure **********************************************************************/ #define IXGBE_MHADD_MFS_SHIFT 16 static void ixv_init_locked(struct adapter *adapter) { struct ifnet *ifp = adapter->ifp; device_t dev = adapter->dev; struct ixgbe_hw *hw = &adapter->hw; u32 mhadd, gpie; INIT_DEBUGOUT("ixv_init: begin"); mtx_assert(&adapter->core_mtx, MA_OWNED); hw->adapter_stopped = FALSE; ixgbe_stop_adapter(hw); callout_stop(&adapter->timer); /* reprogram the RAR[0] in case user changed it. */ ixgbe_set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV); /* Get the latest mac address, User can use a LAA */ bcopy(IF_LLADDR(adapter->ifp), hw->mac.addr, IXGBE_ETH_LENGTH_OF_ADDRESS); ixgbe_set_rar(hw, 0, hw->mac.addr, 0, 1); hw->addr_ctrl.rar_used_count = 1; /* Prepare transmit descriptors and buffers */ if (ixgbe_setup_transmit_structures(adapter)) { device_printf(dev,"Could not setup transmit structures\n"); ixv_stop(adapter); return; } ixgbe_reset_hw(hw); ixv_initialize_transmit_units(adapter); /* Setup Multicast table */ ixv_set_multi(adapter); /* ** Determine the correct mbuf pool ** for doing jumbo/headersplit */ if (ifp->if_mtu > ETHERMTU) adapter->rx_mbuf_sz = MJUMPAGESIZE; else adapter->rx_mbuf_sz = MCLBYTES; /* Prepare receive descriptors and buffers */ if (ixgbe_setup_receive_structures(adapter)) { device_printf(dev,"Could not setup receive structures\n"); ixv_stop(adapter); return; } /* Configure RX settings */ ixv_initialize_receive_units(adapter); /* Enable Enhanced MSIX mode */ gpie = IXGBE_READ_REG(&adapter->hw, IXGBE_GPIE); gpie |= IXGBE_GPIE_MSIX_MODE | IXGBE_GPIE_EIAME; gpie |= IXGBE_GPIE_PBA_SUPPORT | IXGBE_GPIE_OCD; IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); /* Set the various hardware offload abilities */ ifp->if_hwassist = 0; if (ifp->if_capenable & IFCAP_TSO4) ifp->if_hwassist |= CSUM_TSO; if (ifp->if_capenable & IFCAP_TXCSUM) { ifp->if_hwassist |= (CSUM_TCP | CSUM_UDP); #if __FreeBSD_version >= 800000 ifp->if_hwassist |= CSUM_SCTP; #endif } /* Set MTU size */ if (ifp->if_mtu > ETHERMTU) { mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); mhadd &= ~IXGBE_MHADD_MFS_MASK; mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); } /* Set up VLAN offload and filter */ ixv_setup_vlan_support(adapter); callout_reset(&adapter->timer, hz, ixv_local_timer, adapter); /* Set up MSI/X routing */ ixv_configure_ivars(adapter); /* Set up auto-mask */ IXGBE_WRITE_REG(hw, IXGBE_VTEIAM, IXGBE_EICS_RTX_QUEUE); /* Set moderation on the Link interrupt */ IXGBE_WRITE_REG(hw, IXGBE_VTEITR(adapter->vector), IXGBE_LINK_ITR); /* Stats init */ ixv_init_stats(adapter); /* Config/Enable Link */ ixv_config_link(adapter); /* And now turn on interrupts */ ixv_enable_intr(adapter); /* Now inform the stack we're ready */ ifp->if_drv_flags |= IFF_DRV_RUNNING; ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; return; } static void ixv_init(void *arg) { struct adapter *adapter = arg; IXGBE_CORE_LOCK(adapter); ixv_init_locked(adapter); IXGBE_CORE_UNLOCK(adapter); return; } /* ** ** MSIX Interrupt Handlers and Tasklets ** */ static inline void ixv_enable_queue(struct adapter *adapter, u32 vector) { struct ixgbe_hw *hw = &adapter->hw; u32 queue = 1 << vector; u32 mask; mask = (IXGBE_EIMS_RTX_QUEUE & queue); IXGBE_WRITE_REG(hw, IXGBE_VTEIMS, mask); } static inline void ixv_disable_queue(struct adapter *adapter, u32 vector) { struct ixgbe_hw *hw = &adapter->hw; u64 queue = (u64)(1 << vector); u32 mask; mask = (IXGBE_EIMS_RTX_QUEUE & queue); IXGBE_WRITE_REG(hw, IXGBE_VTEIMC, mask); } static inline void ixv_rearm_queues(struct adapter *adapter, u64 queues) { u32 mask = (IXGBE_EIMS_RTX_QUEUE & queues); IXGBE_WRITE_REG(&adapter->hw, IXGBE_VTEICS, mask); } static void ixv_handle_que(void *context, int pending) { struct ix_queue *que = context; struct adapter *adapter = que->adapter; struct tx_ring *txr = que->txr; struct ifnet *ifp = adapter->ifp; bool more; if (ifp->if_drv_flags & IFF_DRV_RUNNING) { more = ixgbe_rxeof(que); IXGBE_TX_LOCK(txr); ixgbe_txeof(txr); #if __FreeBSD_version >= 800000 if (!drbr_empty(ifp, txr->br)) ixgbe_mq_start_locked(ifp, txr); #else if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) ixgbe_start_locked(txr, ifp); #endif IXGBE_TX_UNLOCK(txr); if (more) { taskqueue_enqueue(que->tq, &que->que_task); return; } } /* Reenable this interrupt */ ixv_enable_queue(adapter, que->msix); return; } /********************************************************************* * * MSI Queue Interrupt Service routine * **********************************************************************/ void ixv_msix_que(void *arg) { struct ix_queue *que = arg; struct adapter *adapter = que->adapter; struct ifnet *ifp = adapter->ifp; struct tx_ring *txr = que->txr; struct rx_ring *rxr = que->rxr; bool more; u32 newitr = 0; ixv_disable_queue(adapter, que->msix); ++que->irqs; more = ixgbe_rxeof(que); IXGBE_TX_LOCK(txr); ixgbe_txeof(txr); /* ** Make certain that if the stack ** has anything queued the task gets ** scheduled to handle it. */ #ifdef IXGBE_LEGACY_TX if (!IFQ_DRV_IS_EMPTY(&adapter->ifp->if_snd)) ixgbe_start_locked(txr, ifp); #else if (!drbr_empty(adapter->ifp, txr->br)) ixgbe_mq_start_locked(ifp, txr); #endif IXGBE_TX_UNLOCK(txr); /* Do AIM now? */ if (ixv_enable_aim == FALSE) goto no_calc; /* ** Do Adaptive Interrupt Moderation: ** - Write out last calculated setting ** - Calculate based on average size over ** the last interval. */ if (que->eitr_setting) IXGBE_WRITE_REG(&adapter->hw, IXGBE_VTEITR(que->msix), que->eitr_setting); que->eitr_setting = 0; /* Idle, do nothing */ if ((txr->bytes == 0) && (rxr->bytes == 0)) goto no_calc; if ((txr->bytes) && (txr->packets)) newitr = txr->bytes/txr->packets; if ((rxr->bytes) && (rxr->packets)) newitr = max(newitr, (rxr->bytes / rxr->packets)); newitr += 24; /* account for hardware frame, crc */ /* set an upper boundary */ newitr = min(newitr, 3000); /* Be nice to the mid range */ if ((newitr > 300) && (newitr < 1200)) newitr = (newitr / 3); else newitr = (newitr / 2); newitr |= newitr << 16; /* save for next interrupt */ que->eitr_setting = newitr; /* Reset state */ txr->bytes = 0; txr->packets = 0; rxr->bytes = 0; rxr->packets = 0; no_calc: if (more) taskqueue_enqueue(que->tq, &que->que_task); else /* Reenable this interrupt */ ixv_enable_queue(adapter, que->msix); return; } static void ixv_msix_mbx(void *arg) { struct adapter *adapter = arg; struct ixgbe_hw *hw = &adapter->hw; u32 reg; ++adapter->vector_irq; /* First get the cause */ reg = IXGBE_READ_REG(hw, IXGBE_VTEICS); /* Clear interrupt with write */ IXGBE_WRITE_REG(hw, IXGBE_VTEICR, reg); /* Link status change */ if (reg & IXGBE_EICR_LSC) taskqueue_enqueue(adapter->tq, &adapter->link_task); IXGBE_WRITE_REG(hw, IXGBE_VTEIMS, IXGBE_EIMS_OTHER); return; } /********************************************************************* * * Media Ioctl callback * * This routine is called whenever the user queries the status of * the interface using ifconfig. * **********************************************************************/ static void ixv_media_status(struct ifnet * ifp, struct ifmediareq * ifmr) { struct adapter *adapter = ifp->if_softc; INIT_DEBUGOUT("ixv_media_status: begin"); IXGBE_CORE_LOCK(adapter); ixv_update_link_status(adapter); ifmr->ifm_status = IFM_AVALID; ifmr->ifm_active = IFM_ETHER; if (!adapter->link_active) { IXGBE_CORE_UNLOCK(adapter); return; } ifmr->ifm_status |= IFM_ACTIVE; switch (adapter->link_speed) { case IXGBE_LINK_SPEED_1GB_FULL: ifmr->ifm_active |= IFM_1000_T | IFM_FDX; break; case IXGBE_LINK_SPEED_10GB_FULL: ifmr->ifm_active |= IFM_FDX; break; } IXGBE_CORE_UNLOCK(adapter); return; } /********************************************************************* * * Media Ioctl callback * * This routine is called when the user changes speed/duplex using * media/mediopt option with ifconfig. * **********************************************************************/ static int ixv_media_change(struct ifnet * ifp) { struct adapter *adapter = ifp->if_softc; struct ifmedia *ifm = &adapter->media; INIT_DEBUGOUT("ixv_media_change: begin"); if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) return (EINVAL); switch (IFM_SUBTYPE(ifm->ifm_media)) { case IFM_AUTO: break; default: device_printf(adapter->dev, "Only auto media type\n"); return (EINVAL); } return (0); } /********************************************************************* * Multicast Update * * This routine is called whenever multicast address list is updated. * **********************************************************************/ #define IXGBE_RAR_ENTRIES 16 static void ixv_set_multi(struct adapter *adapter) { u8 mta[MAX_NUM_MULTICAST_ADDRESSES * IXGBE_ETH_LENGTH_OF_ADDRESS]; u8 *update_ptr; struct ifmultiaddr *ifma; int mcnt = 0; struct ifnet *ifp = adapter->ifp; IOCTL_DEBUGOUT("ixv_set_multi: begin"); #if __FreeBSD_version < 800000 IF_ADDR_LOCK(ifp); #else if_maddr_rlock(ifp); #endif TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { if (ifma->ifma_addr->sa_family != AF_LINK) continue; bcopy(LLADDR((struct sockaddr_dl *) ifma->ifma_addr), &mta[mcnt * IXGBE_ETH_LENGTH_OF_ADDRESS], IXGBE_ETH_LENGTH_OF_ADDRESS); mcnt++; } #if __FreeBSD_version < 800000 IF_ADDR_UNLOCK(ifp); #else if_maddr_runlock(ifp); #endif update_ptr = mta; ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, ixv_mc_array_itr, TRUE); return; } /* * This is an iterator function now needed by the multicast * shared code. It simply feeds the shared code routine the * addresses in the array of ixv_set_multi() one by one. */ static u8 * ixv_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) { u8 *addr = *update_ptr; u8 *newptr; *vmdq = 0; newptr = addr + IXGBE_ETH_LENGTH_OF_ADDRESS; *update_ptr = newptr; return addr; } /********************************************************************* * Timer routine * * This routine checks for link status,updates statistics, * and runs the watchdog check. * **********************************************************************/ static void ixv_local_timer(void *arg) { struct adapter *adapter = arg; device_t dev = adapter->dev; struct ix_queue *que = adapter->queues; u64 queues = 0; int hung = 0; mtx_assert(&adapter->core_mtx, MA_OWNED); ixv_update_link_status(adapter); /* Stats Update */ ixv_update_stats(adapter); /* ** Check the TX queues status ** - mark hung queues so we don't schedule on them ** - watchdog only if all queues show hung */ for (int i = 0; i < adapter->num_queues; i++, que++) { /* Keep track of queues with work for soft irq */ if (que->txr->busy) queues |= ((u64)1 << que->me); /* ** Each time txeof runs without cleaning, but there ** are uncleaned descriptors it increments busy. If ** we get to the MAX we declare it hung. */ if (que->busy == IXGBE_QUEUE_HUNG) { ++hung; /* Mark the queue as inactive */ adapter->active_queues &= ~((u64)1 << que->me); continue; } else { /* Check if we've come back from hung */ if ((adapter->active_queues & ((u64)1 << que->me)) == 0) adapter->active_queues |= ((u64)1 << que->me); } if (que->busy >= IXGBE_MAX_TX_BUSY) { device_printf(dev,"Warning queue %d " "appears to be hung!\n", i); que->txr->busy = IXGBE_QUEUE_HUNG; ++hung; } } /* Only truely watchdog if all queues show hung */ if (hung == adapter->num_queues) goto watchdog; else if (queues != 0) { /* Force an IRQ on queues with work */ ixv_rearm_queues(adapter, queues); } callout_reset(&adapter->timer, hz, ixv_local_timer, adapter); return; watchdog: device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); adapter->ifp->if_drv_flags &= ~IFF_DRV_RUNNING; adapter->watchdog_events++; ixv_init_locked(adapter); } /* ** Note: this routine updates the OS on the link state ** the real check of the hardware only happens with ** a link interrupt. */ static void ixv_update_link_status(struct adapter *adapter) { struct ifnet *ifp = adapter->ifp; device_t dev = adapter->dev; if (adapter->link_up){ if (adapter->link_active == FALSE) { if (bootverbose) device_printf(dev,"Link is up %d Gbps %s \n", ((adapter->link_speed == 128)? 10:1), "Full Duplex"); adapter->link_active = TRUE; if_link_state_change(ifp, LINK_STATE_UP); } } else { /* Link down */ if (adapter->link_active == TRUE) { if (bootverbose) device_printf(dev,"Link is Down\n"); if_link_state_change(ifp, LINK_STATE_DOWN); adapter->link_active = FALSE; } } return; } /********************************************************************* * * This routine disables all traffic on the adapter by issuing a * global reset on the MAC and deallocates TX/RX buffers. * **********************************************************************/ static void ixv_stop(void *arg) { struct ifnet *ifp; struct adapter *adapter = arg; struct ixgbe_hw *hw = &adapter->hw; ifp = adapter->ifp; mtx_assert(&adapter->core_mtx, MA_OWNED); INIT_DEBUGOUT("ixv_stop: begin\n"); ixv_disable_intr(adapter); /* Tell the stack that the interface is no longer active */ ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); ixgbe_reset_hw(hw); adapter->hw.adapter_stopped = FALSE; ixgbe_stop_adapter(hw); callout_stop(&adapter->timer); /* reprogram the RAR[0] in case user changed it. */ ixgbe_set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV); return; } /********************************************************************* * * Determine hardware revision. * **********************************************************************/ static void ixv_identify_hardware(struct adapter *adapter) { device_t dev = adapter->dev; struct ixgbe_hw *hw = &adapter->hw; /* ** Make sure BUSMASTER is set, on a VM under ** KVM it may not be and will break things. */ pci_enable_busmaster(dev); /* Save off the information about this board */ hw->vendor_id = pci_get_vendor(dev); hw->device_id = pci_get_device(dev); hw->revision_id = pci_read_config(dev, PCIR_REVID, 1); hw->subsystem_vendor_id = pci_read_config(dev, PCIR_SUBVEND_0, 2); hw->subsystem_device_id = pci_read_config(dev, PCIR_SUBDEV_0, 2); /* We need this to determine device-specific things */ ixgbe_set_mac_type(hw); /* Set the right number of segments */ adapter->num_segs = IXGBE_82599_SCATTER; return; } /********************************************************************* * * Setup MSIX Interrupt resources and handlers * **********************************************************************/ static int ixv_allocate_msix(struct adapter *adapter) { device_t dev = adapter->dev; struct ix_queue *que = adapter->queues; struct tx_ring *txr = adapter->tx_rings; int error, rid, vector = 0; for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { rid = vector + 1; que->res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE); if (que->res == NULL) { device_printf(dev,"Unable to allocate" " bus resource: que interrupt [%d]\n", vector); return (ENXIO); } /* Set the handler function */ error = bus_setup_intr(dev, que->res, INTR_TYPE_NET | INTR_MPSAFE, NULL, ixv_msix_que, que, &que->tag); if (error) { que->res = NULL; device_printf(dev, "Failed to register QUE handler"); return (error); } #if __FreeBSD_version >= 800504 bus_describe_intr(dev, que->res, que->tag, "que %d", i); #endif que->msix = vector; adapter->active_queues |= (u64)(1 << que->msix); /* ** Bind the msix vector, and thus the ** ring to the corresponding cpu. */ if (adapter->num_queues > 1) bus_bind_intr(dev, que->res, i); TASK_INIT(&txr->txq_task, 0, ixgbe_deferred_mq_start, txr); TASK_INIT(&que->que_task, 0, ixv_handle_que, que); que->tq = taskqueue_create_fast("ixv_que", M_NOWAIT, taskqueue_thread_enqueue, &que->tq); taskqueue_start_threads(&que->tq, 1, PI_NET, "%s que", device_get_nameunit(adapter->dev)); } /* and Mailbox */ rid = vector + 1; adapter->res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE); if (!adapter->res) { device_printf(dev,"Unable to allocate" " bus resource: MBX interrupt [%d]\n", rid); return (ENXIO); } /* Set the mbx handler function */ error = bus_setup_intr(dev, adapter->res, INTR_TYPE_NET | INTR_MPSAFE, NULL, ixv_msix_mbx, adapter, &adapter->tag); if (error) { adapter->res = NULL; device_printf(dev, "Failed to register LINK handler"); return (error); } #if __FreeBSD_version >= 800504 bus_describe_intr(dev, adapter->res, adapter->tag, "mbx"); #endif adapter->vector = vector; /* Tasklets for Mailbox */ TASK_INIT(&adapter->link_task, 0, ixv_handle_mbx, adapter); adapter->tq = taskqueue_create_fast("ixv_mbx", M_NOWAIT, taskqueue_thread_enqueue, &adapter->tq); taskqueue_start_threads(&adapter->tq, 1, PI_NET, "%s mbxq", device_get_nameunit(adapter->dev)); /* ** Due to a broken design QEMU will fail to properly ** enable the guest for MSIX unless the vectors in ** the table are all set up, so we must rewrite the ** ENABLE in the MSIX control register again at this ** point to cause it to successfully initialize us. */ if (adapter->hw.mac.type == ixgbe_mac_82599_vf) { int msix_ctrl; pci_find_cap(dev, PCIY_MSIX, &rid); rid += PCIR_MSIX_CTRL; msix_ctrl = pci_read_config(dev, rid, 2); msix_ctrl |= PCIM_MSIXCTRL_MSIX_ENABLE; pci_write_config(dev, rid, msix_ctrl, 2); } return (0); } /* * Setup MSIX resources, note that the VF * device MUST use MSIX, there is no fallback. */ static int ixv_setup_msix(struct adapter *adapter) { device_t dev = adapter->dev; int rid, want; /* First try MSI/X */ rid = PCIR_BAR(3); adapter->msix_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (adapter->msix_mem == NULL) { device_printf(adapter->dev, "Unable to map MSIX table \n"); goto out; } /* ** Want two vectors: one for a queue, ** plus an additional for mailbox. */ want = 2; if ((pci_alloc_msix(dev, &want) == 0) && (want == 2)) { device_printf(adapter->dev, "Using MSIX interrupts with %d vectors\n", want); return (want); } /* Release in case alloc was insufficient */ pci_release_msi(dev); out: if (adapter->msix_mem != NULL) { bus_release_resource(dev, SYS_RES_MEMORY, rid, adapter->msix_mem); adapter->msix_mem = NULL; } device_printf(adapter->dev,"MSIX config error\n"); return (ENXIO); } static int ixv_allocate_pci_resources(struct adapter *adapter) { int rid; device_t dev = adapter->dev; rid = PCIR_BAR(0); adapter->pci_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (!(adapter->pci_mem)) { device_printf(dev,"Unable to allocate bus resource: memory\n"); return (ENXIO); } adapter->osdep.mem_bus_space_tag = rman_get_bustag(adapter->pci_mem); adapter->osdep.mem_bus_space_handle = rman_get_bushandle(adapter->pci_mem); adapter->hw.hw_addr = (u8 *) &adapter->osdep.mem_bus_space_handle; adapter->num_queues = 1; adapter->hw.back = &adapter->osdep; /* ** Now setup MSI/X, should ** return us the number of ** configured vectors. */ adapter->msix = ixv_setup_msix(adapter); if (adapter->msix == ENXIO) return (ENXIO); else return (0); } static void ixv_free_pci_resources(struct adapter * adapter) { struct ix_queue *que = adapter->queues; device_t dev = adapter->dev; int rid, memrid; memrid = PCIR_BAR(MSIX_82598_BAR); /* ** There is a slight possibility of a failure mode ** in attach that will result in entering this function ** before interrupt resources have been initialized, and ** in that case we do not want to execute the loops below ** We can detect this reliably by the state of the adapter ** res pointer. */ if (adapter->res == NULL) goto mem; /* ** Release all msix queue resources: */ for (int i = 0; i < adapter->num_queues; i++, que++) { rid = que->msix + 1; if (que->tag != NULL) { bus_teardown_intr(dev, que->res, que->tag); que->tag = NULL; } if (que->res != NULL) bus_release_resource(dev, SYS_RES_IRQ, rid, que->res); } /* Clean the Legacy or Link interrupt last */ if (adapter->vector) /* we are doing MSIX */ rid = adapter->vector + 1; else (adapter->msix != 0) ? (rid = 1):(rid = 0); if (adapter->tag != NULL) { bus_teardown_intr(dev, adapter->res, adapter->tag); adapter->tag = NULL; } if (adapter->res != NULL) bus_release_resource(dev, SYS_RES_IRQ, rid, adapter->res); mem: if (adapter->msix) pci_release_msi(dev); if (adapter->msix_mem != NULL) bus_release_resource(dev, SYS_RES_MEMORY, memrid, adapter->msix_mem); if (adapter->pci_mem != NULL) bus_release_resource(dev, SYS_RES_MEMORY, PCIR_BAR(0), adapter->pci_mem); return; } /********************************************************************* * * Setup networking device structure and register an interface. * **********************************************************************/ static void ixv_setup_interface(device_t dev, struct adapter *adapter) { struct ifnet *ifp; INIT_DEBUGOUT("ixv_setup_interface: begin"); ifp = adapter->ifp = if_alloc(IFT_ETHER); if (ifp == NULL) panic("%s: can not if_alloc()\n", device_get_nameunit(dev)); if_initname(ifp, device_get_name(dev), device_get_unit(dev)); ifp->if_baudrate = 1000000000; ifp->if_init = ixv_init; ifp->if_softc = adapter; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_ioctl = ixv_ioctl; #if __FreeBSD_version >= 800000 ifp->if_transmit = ixgbe_mq_start; ifp->if_qflush = ixgbe_qflush; #else ifp->if_start = ixgbe_start; #endif ifp->if_snd.ifq_maxlen = adapter->num_tx_desc - 2; ether_ifattach(ifp, adapter->hw.mac.addr); adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; /* * Tell the upper layer(s) we support long frames. */ ifp->if_hdrlen = sizeof(struct ether_vlan_header); ifp->if_capabilities |= IFCAP_HWCSUM | IFCAP_TSO4 | IFCAP_VLAN_HWCSUM; ifp->if_capabilities |= IFCAP_JUMBO_MTU; ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWTSO | IFCAP_VLAN_MTU; ifp->if_capabilities |= IFCAP_LRO; ifp->if_capenable = ifp->if_capabilities; /* * Specify the media types supported by this adapter and register * callbacks to update media and link information */ ifmedia_init(&adapter->media, IFM_IMASK, ixv_media_change, ixv_media_status); ifmedia_add(&adapter->media, IFM_ETHER | IFM_FDX, 0, NULL); ifmedia_add(&adapter->media, IFM_ETHER | IFM_AUTO, 0, NULL); ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); return; } static void ixv_config_link(struct adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; u32 autoneg, err = 0; if (hw->mac.ops.check_link) err = hw->mac.ops.check_link(hw, &autoneg, &adapter->link_up, FALSE); if (err) goto out; if (hw->mac.ops.setup_link) err = hw->mac.ops.setup_link(hw, autoneg, adapter->link_up); out: return; } /********************************************************************* * * Enable transmit unit. * **********************************************************************/ static void ixv_initialize_transmit_units(struct adapter *adapter) { struct tx_ring *txr = adapter->tx_rings; struct ixgbe_hw *hw = &adapter->hw; for (int i = 0; i < adapter->num_queues; i++, txr++) { u64 tdba = txr->txdma.dma_paddr; u32 txctrl, txdctl; /* Set WTHRESH to 8, burst writeback */ txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i)); txdctl |= (8 << 16); IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(i), txdctl); /* Set the HW Tx Head and Tail indices */ IXGBE_WRITE_REG(&adapter->hw, IXGBE_VFTDH(i), 0); IXGBE_WRITE_REG(&adapter->hw, IXGBE_VFTDT(i), 0); /* Set Tx Tail register */ txr->tail = IXGBE_VFTDT(i); /* Set the processing limit */ txr->process_limit = ixv_tx_process_limit; /* Set Ring parameters */ IXGBE_WRITE_REG(hw, IXGBE_VFTDBAL(i), (tdba & 0x00000000ffffffffULL)); IXGBE_WRITE_REG(hw, IXGBE_VFTDBAH(i), (tdba >> 32)); IXGBE_WRITE_REG(hw, IXGBE_VFTDLEN(i), adapter->num_tx_desc * sizeof(struct ixgbe_legacy_tx_desc)); txctrl = IXGBE_READ_REG(hw, IXGBE_VFDCA_TXCTRL(i)); txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; IXGBE_WRITE_REG(hw, IXGBE_VFDCA_TXCTRL(i), txctrl); /* Now enable */ txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i)); txdctl |= IXGBE_TXDCTL_ENABLE; IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(i), txdctl); } return; } /********************************************************************* * * Setup receive registers and features. * **********************************************************************/ #define IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT 2 static void ixv_initialize_receive_units(struct adapter *adapter) { struct rx_ring *rxr = adapter->rx_rings; struct ixgbe_hw *hw = &adapter->hw; struct ifnet *ifp = adapter->ifp; u32 bufsz, fctrl, rxcsum, hlreg; /* Enable broadcasts */ fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); fctrl |= IXGBE_FCTRL_BAM; fctrl |= IXGBE_FCTRL_DPF; fctrl |= IXGBE_FCTRL_PMCF; IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); /* Set for Jumbo Frames? */ hlreg = IXGBE_READ_REG(hw, IXGBE_HLREG0); if (ifp->if_mtu > ETHERMTU) { hlreg |= IXGBE_HLREG0_JUMBOEN; bufsz = 4096 >> IXGBE_SRRCTL_BSIZEPKT_SHIFT; } else { hlreg &= ~IXGBE_HLREG0_JUMBOEN; bufsz = 2048 >> IXGBE_SRRCTL_BSIZEPKT_SHIFT; } IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg); for (int i = 0; i < adapter->num_queues; i++, rxr++) { u64 rdba = rxr->rxdma.dma_paddr; u32 reg, rxdctl; /* Setup the Base and Length of the Rx Descriptor Ring */ IXGBE_WRITE_REG(hw, IXGBE_VFRDBAL(i), (rdba & 0x00000000ffffffffULL)); IXGBE_WRITE_REG(hw, IXGBE_VFRDBAH(i), (rdba >> 32)); IXGBE_WRITE_REG(hw, IXGBE_VFRDLEN(i), adapter->num_rx_desc * sizeof(union ixgbe_adv_rx_desc)); /* Set up the SRRCTL register */ reg = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i)); reg &= ~IXGBE_SRRCTL_BSIZEHDR_MASK; reg &= ~IXGBE_SRRCTL_BSIZEPKT_MASK; reg |= bufsz; reg |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; IXGBE_WRITE_REG(hw, IXGBE_VFSRRCTL(i), reg); /* Setup the HW Rx Head and Tail Descriptor Pointers */ IXGBE_WRITE_REG(hw, IXGBE_VFRDH(rxr->me), 0); IXGBE_WRITE_REG(hw, IXGBE_VFRDT(rxr->me), adapter->num_rx_desc - 1); /* Set the processing limit */ rxr->process_limit = ixv_rx_process_limit; /* Set Rx Tail register */ rxr->tail = IXGBE_VFRDT(rxr->me); /* Do the queue enabling last */ rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i)); rxdctl |= IXGBE_RXDCTL_ENABLE; IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(i), rxdctl); for (int k = 0; k < 10; k++) { if (IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i)) & IXGBE_RXDCTL_ENABLE) break; else msec_delay(1); } wmb(); } rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); if (ifp->if_capenable & IFCAP_RXCSUM) rxcsum |= IXGBE_RXCSUM_PCSD; if (!(rxcsum & IXGBE_RXCSUM_PCSD)) rxcsum |= IXGBE_RXCSUM_IPPCSE; IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); return; } static void ixv_setup_vlan_support(struct adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; u32 ctrl, vid, vfta, retry; /* ** We get here thru init_locked, meaning ** a soft reset, this has already cleared ** the VFTA and other state, so if there ** have been no vlan's registered do nothing. */ if (adapter->num_vlans == 0) return; /* Enable the queues */ for (int i = 0; i < adapter->num_queues; i++) { ctrl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i)); ctrl |= IXGBE_RXDCTL_VME; IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(i), ctrl); } /* ** A soft reset zero's out the VFTA, so ** we need to repopulate it now. */ for (int i = 0; i < IXGBE_VFTA_SIZE; i++) { if (ixv_shadow_vfta[i] == 0) continue; vfta = ixv_shadow_vfta[i]; /* ** Reconstruct the vlan id's ** based on the bits set in each ** of the array ints. */ for ( int j = 0; j < 32; j++) { retry = 0; if ((vfta & (1 << j)) == 0) continue; vid = (i * 32) + j; /* Call the shared code mailbox routine */ while (ixgbe_set_vfta(hw, vid, 0, TRUE)) { if (++retry > 5) break; } } } } /* ** This routine is run via an vlan config EVENT, ** it enables us to use the HW Filter table since ** we can get the vlan id. This just creates the ** entry in the soft version of the VFTA, init will ** repopulate the real table. */ static void ixv_register_vlan(void *arg, struct ifnet *ifp, u16 vtag) { struct adapter *adapter = ifp->if_softc; u16 index, bit; if (ifp->if_softc != arg) /* Not our event */ return; if ((vtag == 0) || (vtag > 4095)) /* Invalid */ return; IXGBE_CORE_LOCK(adapter); index = (vtag >> 5) & 0x7F; bit = vtag & 0x1F; ixv_shadow_vfta[index] |= (1 << bit); ++adapter->num_vlans; /* Re-init to load the changes */ ixv_init_locked(adapter); IXGBE_CORE_UNLOCK(adapter); } /* ** This routine is run via an vlan ** unconfig EVENT, remove our entry ** in the soft vfta. */ static void ixv_unregister_vlan(void *arg, struct ifnet *ifp, u16 vtag) { struct adapter *adapter = ifp->if_softc; u16 index, bit; if (ifp->if_softc != arg) return; if ((vtag == 0) || (vtag > 4095)) /* Invalid */ return; IXGBE_CORE_LOCK(adapter); index = (vtag >> 5) & 0x7F; bit = vtag & 0x1F; ixv_shadow_vfta[index] &= ~(1 << bit); --adapter->num_vlans; /* Re-init to load the changes */ ixv_init_locked(adapter); IXGBE_CORE_UNLOCK(adapter); } static void ixv_enable_intr(struct adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; struct ix_queue *que = adapter->queues; u32 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); IXGBE_WRITE_REG(hw, IXGBE_VTEIMS, mask); mask = IXGBE_EIMS_ENABLE_MASK; mask &= ~(IXGBE_EIMS_OTHER | IXGBE_EIMS_LSC); IXGBE_WRITE_REG(hw, IXGBE_VTEIAC, mask); for (int i = 0; i < adapter->num_queues; i++, que++) ixv_enable_queue(adapter, que->msix); IXGBE_WRITE_FLUSH(hw); return; } static void ixv_disable_intr(struct adapter *adapter) { IXGBE_WRITE_REG(&adapter->hw, IXGBE_VTEIAC, 0); IXGBE_WRITE_REG(&adapter->hw, IXGBE_VTEIMC, ~0); IXGBE_WRITE_FLUSH(&adapter->hw); return; } /* ** Setup the correct IVAR register for a particular MSIX interrupt ** - entry is the register array entry ** - vector is the MSIX vector for this queue ** - type is RX/TX/MISC */ static void ixv_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) { struct ixgbe_hw *hw = &adapter->hw; u32 ivar, index; vector |= IXGBE_IVAR_ALLOC_VAL; if (type == -1) { /* MISC IVAR */ ivar = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC); ivar &= ~0xFF; ivar |= vector; IXGBE_WRITE_REG(hw, IXGBE_VTIVAR_MISC, ivar); } else { /* RX/TX IVARS */ index = (16 * (entry & 1)) + (8 * type); ivar = IXGBE_READ_REG(hw, IXGBE_VTIVAR(entry >> 1)); ivar &= ~(0xFF << index); ivar |= (vector << index); IXGBE_WRITE_REG(hw, IXGBE_VTIVAR(entry >> 1), ivar); } } static void ixv_configure_ivars(struct adapter *adapter) { struct ix_queue *que = adapter->queues; for (int i = 0; i < adapter->num_queues; i++, que++) { /* First the RX queue entry */ ixv_set_ivar(adapter, i, que->msix, 0); /* ... and the TX */ ixv_set_ivar(adapter, i, que->msix, 1); /* Set an initial value in EITR */ IXGBE_WRITE_REG(&adapter->hw, IXGBE_VTEITR(que->msix), IXV_EITR_DEFAULT); } /* For the mailbox interrupt */ ixv_set_ivar(adapter, 1, adapter->vector, -1); } /* ** Tasklet handler for MSIX MBX interrupts ** - do outside interrupt since it might sleep */ static void ixv_handle_mbx(void *context, int pending) { struct adapter *adapter = context; ixgbe_check_link(&adapter->hw, &adapter->link_speed, &adapter->link_up, 0); ixv_update_link_status(adapter); } /* ** The VF stats registers never have a truely virgin ** starting point, so this routine tries to make an ** artificial one, marking ground zero on attach as ** it were. */ static void ixv_save_stats(struct adapter *adapter) { if (adapter->stats.vf.vfgprc || adapter->stats.vf.vfgptc) { adapter->stats.vf.saved_reset_vfgprc += adapter->stats.vf.vfgprc - adapter->stats.vf.base_vfgprc; adapter->stats.vf.saved_reset_vfgptc += adapter->stats.vf.vfgptc - adapter->stats.vf.base_vfgptc; adapter->stats.vf.saved_reset_vfgorc += adapter->stats.vf.vfgorc - adapter->stats.vf.base_vfgorc; adapter->stats.vf.saved_reset_vfgotc += adapter->stats.vf.vfgotc - adapter->stats.vf.base_vfgotc; adapter->stats.vf.saved_reset_vfmprc += adapter->stats.vf.vfmprc - adapter->stats.vf.base_vfmprc; } } static void ixv_init_stats(struct adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; adapter->stats.vf.last_vfgprc = IXGBE_READ_REG(hw, IXGBE_VFGPRC); adapter->stats.vf.last_vfgorc = IXGBE_READ_REG(hw, IXGBE_VFGORC_LSB); adapter->stats.vf.last_vfgorc |= (((u64)(IXGBE_READ_REG(hw, IXGBE_VFGORC_MSB))) << 32); adapter->stats.vf.last_vfgptc = IXGBE_READ_REG(hw, IXGBE_VFGPTC); adapter->stats.vf.last_vfgotc = IXGBE_READ_REG(hw, IXGBE_VFGOTC_LSB); adapter->stats.vf.last_vfgotc |= (((u64)(IXGBE_READ_REG(hw, IXGBE_VFGOTC_MSB))) << 32); adapter->stats.vf.last_vfmprc = IXGBE_READ_REG(hw, IXGBE_VFMPRC); adapter->stats.vf.base_vfgprc = adapter->stats.vf.last_vfgprc; adapter->stats.vf.base_vfgorc = adapter->stats.vf.last_vfgorc; adapter->stats.vf.base_vfgptc = adapter->stats.vf.last_vfgptc; adapter->stats.vf.base_vfgotc = adapter->stats.vf.last_vfgotc; adapter->stats.vf.base_vfmprc = adapter->stats.vf.last_vfmprc; } #define UPDATE_STAT_32(reg, last, count) \ { \ u32 current = IXGBE_READ_REG(hw, reg); \ if (current < last) \ count += 0x100000000LL; \ last = current; \ count &= 0xFFFFFFFF00000000LL; \ count |= current; \ } #define UPDATE_STAT_36(lsb, msb, last, count) \ { \ u64 cur_lsb = IXGBE_READ_REG(hw, lsb); \ u64 cur_msb = IXGBE_READ_REG(hw, msb); \ u64 current = ((cur_msb << 32) | cur_lsb); \ if (current < last) \ count += 0x1000000000LL; \ last = current; \ count &= 0xFFFFFFF000000000LL; \ count |= current; \ } /* ** ixv_update_stats - Update the board statistics counters. */ void ixv_update_stats(struct adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; UPDATE_STAT_32(IXGBE_VFGPRC, adapter->stats.vf.last_vfgprc, adapter->stats.vf.vfgprc); UPDATE_STAT_32(IXGBE_VFGPTC, adapter->stats.vf.last_vfgptc, adapter->stats.vf.vfgptc); UPDATE_STAT_36(IXGBE_VFGORC_LSB, IXGBE_VFGORC_MSB, adapter->stats.vf.last_vfgorc, adapter->stats.vf.vfgorc); UPDATE_STAT_36(IXGBE_VFGOTC_LSB, IXGBE_VFGOTC_MSB, adapter->stats.vf.last_vfgotc, adapter->stats.vf.vfgotc); UPDATE_STAT_32(IXGBE_VFMPRC, adapter->stats.vf.last_vfmprc, adapter->stats.vf.vfmprc); } /* * Add statistic sysctls for the VF. */ static void ixv_add_stats_sysctls(struct adapter *adapter) { device_t dev = adapter->dev; struct ix_queue *que = &adapter->queues[0]; struct tx_ring *txr = que->txr; struct rx_ring *rxr = que->rxr; struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(dev); struct sysctl_oid *tree = device_get_sysctl_tree(dev); struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree); struct ixgbevf_hw_stats *stats = &adapter->stats.vf; struct sysctl_oid *stat_node, *queue_node; struct sysctl_oid_list *stat_list, *queue_list; /* Driver Statistics */ - SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "dropped", + SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "dropped", CTLFLAG_RD, &adapter->dropped_pkts, "Driver dropped packets"); - SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "mbuf_defrag_failed", + SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "mbuf_defrag_failed", CTLFLAG_RD, &adapter->mbuf_defrag_failed, "m_defrag() failed"); - SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "watchdog_events", + SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "watchdog_events", CTLFLAG_RD, &adapter->watchdog_events, "Watchdog timeouts"); stat_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "mac", CTLFLAG_RD, NULL, "VF Statistics (read from HW registers)"); stat_list = SYSCTL_CHILDREN(stat_node); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_pkts_rcvd", CTLFLAG_RD, &stats->vfgprc, "Good Packets Received"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_octets_rcvd", CTLFLAG_RD, &stats->vfgorc, "Good Octets Received"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_rcvd", CTLFLAG_RD, &stats->vfmprc, "Multicast Packets Received"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_pkts_txd", CTLFLAG_RD, &stats->vfgptc, "Good Packets Transmitted"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_octets_txd", CTLFLAG_RD, &stats->vfgotc, "Good Octets Transmitted"); queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "que", CTLFLAG_RD, NULL, "Queue Statistics (collected by SW)"); queue_list = SYSCTL_CHILDREN(queue_node); SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "irqs", CTLFLAG_RD, &(que->irqs), "IRQs on queue"); SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_irqs", CTLFLAG_RD, &(rxr->rx_irq), "RX irqs on queue"); SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_packets", CTLFLAG_RD, &(rxr->rx_packets), "RX packets"); SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_bytes", CTLFLAG_RD, &(rxr->rx_bytes), "RX bytes"); SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_discarded", CTLFLAG_RD, &(rxr->rx_discarded), "Discarded RX packets"); SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "tx_packets", CTLFLAG_RD, &(txr->total_packets), "TX Packets"); SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "tx_bytes", CTLFLAG_RD, &(txr->tx_bytes), "TX Bytes"); SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "tx_no_desc", CTLFLAG_RD, &(txr->no_desc_avail), "# of times not enough descriptors were available during TX"); } /********************************************************************** * * This routine is called only when em_display_debug_stats is enabled. * This routine provides a way to take a look at important statistics * maintained by the driver and hardware. * **********************************************************************/ static void ixv_print_debug_info(struct adapter *adapter) { device_t dev = adapter->dev; struct ixgbe_hw *hw = &adapter->hw; struct ix_queue *que = adapter->queues; struct rx_ring *rxr; struct tx_ring *txr; struct lro_ctrl *lro; device_printf(dev,"Error Byte Count = %u \n", IXGBE_READ_REG(hw, IXGBE_ERRBC)); for (int i = 0; i < adapter->num_queues; i++, que++) { txr = que->txr; rxr = que->rxr; lro = &rxr->lro; device_printf(dev,"QUE(%d) IRQs Handled: %lu\n", que->msix, (long)que->irqs); device_printf(dev,"RX(%d) Packets Received: %lld\n", rxr->me, (long long)rxr->rx_packets); device_printf(dev,"RX(%d) Bytes Received: %lu\n", rxr->me, (long)rxr->rx_bytes); device_printf(dev,"RX(%d) LRO Queued= %d\n", rxr->me, lro->lro_queued); device_printf(dev,"RX(%d) LRO Flushed= %d\n", rxr->me, lro->lro_flushed); device_printf(dev,"TX(%d) Packets Sent: %lu\n", txr->me, (long)txr->total_packets); device_printf(dev,"TX(%d) NO Desc Avail: %lu\n", txr->me, (long)txr->no_desc_avail); } device_printf(dev,"MBX IRQ Handled: %lu\n", (long)adapter->vector_irq); return; } static int ixv_sysctl_debug(SYSCTL_HANDLER_ARGS) { int error, result; struct adapter *adapter; result = -1; error = sysctl_handle_int(oidp, &result, 0, req); if (error || !req->newptr) return (error); if (result == 1) { adapter = (struct adapter *) arg1; ixv_print_debug_info(adapter); } return error; } Index: projects/cxl_iscsi/sys/dev/ixgbe/ixgbe.h =================================================================== --- projects/cxl_iscsi/sys/dev/ixgbe/ixgbe.h (revision 280228) +++ projects/cxl_iscsi/sys/dev/ixgbe/ixgbe.h (revision 280229) @@ -1,644 +1,643 @@ /****************************************************************************** Copyright (c) 2001-2015, Intel Corporation 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. 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. 3. Neither the name of the Intel Corporation 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. ******************************************************************************/ /*$FreeBSD$*/ #ifndef _IXGBE_H_ #define _IXGBE_H_ #include #include #ifndef IXGBE_LEGACY_TX #include #endif #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 "ixgbe_api.h" #include "ixgbe_vf.h" /* Tunables */ /* * TxDescriptors Valid Range: 64-4096 Default Value: 256 This value is the * number of transmit descriptors allocated by the driver. Increasing this * value allows the driver to queue more transmits. Each descriptor is 16 * bytes. Performance tests have show the 2K value to be optimal for top * performance. */ #define DEFAULT_TXD 1024 #define PERFORM_TXD 2048 #define MAX_TXD 4096 #define MIN_TXD 64 /* * RxDescriptors Valid Range: 64-4096 Default Value: 256 This value is the * number of receive descriptors allocated for each RX queue. Increasing this * value allows the driver to buffer more incoming packets. Each descriptor * is 16 bytes. A receive buffer is also allocated for each descriptor. * * Note: with 8 rings and a dual port card, it is possible to bump up * against the system mbuf pool limit, you can tune nmbclusters * to adjust for this. */ #define DEFAULT_RXD 1024 #define PERFORM_RXD 2048 #define MAX_RXD 4096 #define MIN_RXD 64 /* Alignment for rings */ #define DBA_ALIGN 128 /* * This parameter controls the maximum no of times the driver will loop in * the isr. Minimum Value = 1 */ #define MAX_LOOP 10 /* * This is the max watchdog interval, ie. the time that can * pass between any two TX clean operations, such only happening * when the TX hardware is functioning. */ #define IXGBE_WATCHDOG (10 * hz) /* * This parameters control when the driver calls the routine to reclaim * transmit descriptors. */ #define IXGBE_TX_CLEANUP_THRESHOLD (adapter->num_tx_desc / 8) #define IXGBE_TX_OP_THRESHOLD (adapter->num_tx_desc / 32) #define IXGBE_MAX_FRAME_SIZE 0x3F00 /* Flow control constants */ #define IXGBE_FC_PAUSE 0xFFFF #define IXGBE_FC_HI 0x20000 #define IXGBE_FC_LO 0x10000 /* * Used for optimizing small rx mbufs. Effort is made to keep the copy * small and aligned for the CPU L1 cache. * * MHLEN is typically 168 bytes, giving us 8-byte alignment. Getting * 32 byte alignment needed for the fast bcopy results in 8 bytes being * wasted. Getting 64 byte alignment, which _should_ be ideal for * modern Intel CPUs, results in 40 bytes wasted and a significant drop * in observed efficiency of the optimization, 97.9% -> 81.8%. */ #define IXGBE_RX_COPY_HDR_PADDED ((((MPKTHSIZE - 1) / 32) + 1) * 32) #define IXGBE_RX_COPY_LEN (MSIZE - IXGBE_RX_COPY_HDR_PADDED) #define IXGBE_RX_COPY_ALIGN (IXGBE_RX_COPY_HDR_PADDED - MPKTHSIZE) /* Keep older OS drivers building... */ #if !defined(SYSCTL_ADD_UQUAD) #define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD #endif /* Defines for printing debug information */ #define DEBUG_INIT 0 #define DEBUG_IOCTL 0 #define DEBUG_HW 0 #define INIT_DEBUGOUT(S) if (DEBUG_INIT) printf(S "\n") #define INIT_DEBUGOUT1(S, A) if (DEBUG_INIT) printf(S "\n", A) #define INIT_DEBUGOUT2(S, A, B) if (DEBUG_INIT) printf(S "\n", A, B) #define IOCTL_DEBUGOUT(S) if (DEBUG_IOCTL) printf(S "\n") #define IOCTL_DEBUGOUT1(S, A) if (DEBUG_IOCTL) printf(S "\n", A) #define IOCTL_DEBUGOUT2(S, A, B) if (DEBUG_IOCTL) printf(S "\n", A, B) #define HW_DEBUGOUT(S) if (DEBUG_HW) printf(S "\n") #define HW_DEBUGOUT1(S, A) if (DEBUG_HW) printf(S "\n", A) #define HW_DEBUGOUT2(S, A, B) if (DEBUG_HW) printf(S "\n", A, B) #define MAX_NUM_MULTICAST_ADDRESSES 128 #define IXGBE_82598_SCATTER 100 #define IXGBE_82599_SCATTER 32 #define MSIX_82598_BAR 3 #define MSIX_82599_BAR 4 #define IXGBE_TSO_SIZE 262140 #define IXGBE_TX_BUFFER_SIZE ((u32) 1514) #define IXGBE_RX_HDR 128 #define IXGBE_VFTA_SIZE 128 #define IXGBE_BR_SIZE 4096 #define IXGBE_QUEUE_MIN_FREE 32 #define IXGBE_MAX_TX_BUSY 10 #define IXGBE_QUEUE_HUNG 0x80000000 #define IXV_EITR_DEFAULT 128 /* Offload bits in mbuf flag */ #if __FreeBSD_version >= 800000 #define CSUM_OFFLOAD (CSUM_IP|CSUM_TCP|CSUM_UDP|CSUM_SCTP) #else #define CSUM_OFFLOAD (CSUM_IP|CSUM_TCP|CSUM_UDP) #endif /* Backward compatibility items for very old versions */ #ifndef pci_find_cap #define pci_find_cap pci_find_extcap #endif #ifndef DEVMETHOD_END #define DEVMETHOD_END { NULL, NULL } #endif /* * Interrupt Moderation parameters */ #define IXGBE_LOW_LATENCY 128 #define IXGBE_AVE_LATENCY 400 #define IXGBE_BULK_LATENCY 1200 #define IXGBE_LINK_ITR 2000 /* ***************************************************************************** * vendor_info_array * * This array contains the list of Subvendor/Subdevice IDs on which the driver * should load. * ***************************************************************************** */ typedef struct _ixgbe_vendor_info_t { unsigned int vendor_id; unsigned int device_id; unsigned int subvendor_id; unsigned int subdevice_id; unsigned int index; } ixgbe_vendor_info_t; struct ixgbe_tx_buf { union ixgbe_adv_tx_desc *eop; struct mbuf *m_head; bus_dmamap_t map; }; struct ixgbe_rx_buf { struct mbuf *buf; struct mbuf *fmp; bus_dmamap_t pmap; u_int flags; #define IXGBE_RX_COPY 0x01 uint64_t addr; }; /* * Bus dma allocation structure used by ixgbe_dma_malloc and ixgbe_dma_free. */ struct ixgbe_dma_alloc { bus_addr_t dma_paddr; caddr_t dma_vaddr; bus_dma_tag_t dma_tag; bus_dmamap_t dma_map; bus_dma_segment_t dma_seg; bus_size_t dma_size; int dma_nseg; }; /* ** Driver queue struct: this is the interrupt container ** for the associated tx and rx ring. */ struct ix_queue { struct adapter *adapter; u32 msix; /* This queue's MSIX vector */ u32 eims; /* This queue's EIMS bit */ u32 eitr_setting; u32 me; struct resource *res; void *tag; int busy; struct tx_ring *txr; struct rx_ring *rxr; struct task que_task; struct taskqueue *tq; u64 irqs; }; /* * The transmit ring, one per queue */ struct tx_ring { struct adapter *adapter; struct mtx tx_mtx; u32 me; u32 tail; int busy; union ixgbe_adv_tx_desc *tx_base; struct ixgbe_tx_buf *tx_buffers; struct ixgbe_dma_alloc txdma; volatile u16 tx_avail; u16 next_avail_desc; u16 next_to_clean; u16 process_limit; u16 num_desc; u32 txd_cmd; bus_dma_tag_t txtag; char mtx_name[16]; #ifndef IXGBE_LEGACY_TX struct buf_ring *br; struct task txq_task; #endif #ifdef IXGBE_FDIR u16 atr_sample; u16 atr_count; #endif u32 bytes; /* used for AIM */ u32 packets; /* Soft Stats */ - unsigned long tx_bytes; + u64 tx_bytes; unsigned long tso_tx; - unsigned long no_tx_map_avail; unsigned long no_tx_dma_setup; u64 no_desc_avail; u64 total_packets; }; /* * The Receive ring, one per rx queue */ struct rx_ring { struct adapter *adapter; struct mtx rx_mtx; u32 me; u32 tail; union ixgbe_adv_rx_desc *rx_base; struct ixgbe_dma_alloc rxdma; struct lro_ctrl lro; bool lro_enabled; bool hw_rsc; bool vtag_strip; u16 next_to_refresh; u16 next_to_check; u16 num_desc; u16 mbuf_sz; u16 process_limit; char mtx_name[16]; struct ixgbe_rx_buf *rx_buffers; bus_dma_tag_t ptag; u32 bytes; /* Used for AIM calc */ u32 packets; /* Soft stats */ u64 rx_irq; u64 rx_copies; u64 rx_packets; u64 rx_bytes; u64 rx_discarded; u64 rsc_num; #ifdef IXGBE_FDIR u64 flm; #endif }; /* Our adapter structure */ struct adapter { struct ifnet *ifp; struct ixgbe_hw hw; struct ixgbe_osdep osdep; struct device *dev; struct resource *pci_mem; struct resource *msix_mem; /* * Interrupt resources: this set is * either used for legacy, or for Link * when doing MSIX */ void *tag; struct resource *res; struct ifmedia media; struct callout timer; int msix; int if_flags; struct mtx core_mtx; eventhandler_tag vlan_attach; eventhandler_tag vlan_detach; u16 num_vlans; u16 num_queues; /* ** Shadow VFTA table, this is needed because ** the real vlan filter table gets cleared during ** a soft reset and the driver needs to be able ** to repopulate it. */ u32 shadow_vfta[IXGBE_VFTA_SIZE]; /* Info about the interface */ u32 optics; u32 fc; /* local flow ctrl setting */ int advertise; /* link speeds */ bool link_active; u16 max_frame_size; u16 num_segs; u32 link_speed; bool link_up; u32 vector; /* Mbuf cluster size */ u32 rx_mbuf_sz; /* Support for pluggable optics */ bool sfp_probe; struct task link_task; /* Link tasklet */ struct task mod_task; /* SFP tasklet */ struct task msf_task; /* Multispeed Fiber */ #ifdef IXGBE_FDIR int fdir_reinit; struct task fdir_task; #endif struct taskqueue *tq; /* ** Queues: ** This is the irq holder, it has ** and RX/TX pair or rings associated ** with it. */ struct ix_queue *queues; /* * Transmit rings: * Allocated at run time, an array of rings. */ struct tx_ring *tx_rings; u32 num_tx_desc; /* * Receive rings: * Allocated at run time, an array of rings. */ struct rx_ring *rx_rings; u64 active_queues; u32 num_rx_desc; /* Multicast array memory */ u8 *mta; /* Misc stats maintained by the driver */ unsigned long dropped_pkts; unsigned long mbuf_defrag_failed; unsigned long mbuf_header_failed; unsigned long mbuf_packet_failed; unsigned long watchdog_events; unsigned long vector_irq; union { struct ixgbe_hw_stats pf; struct ixgbevf_hw_stats vf; } stats; #if __FreeBSD_version >= 1100036 /* counter(9) stats */ u64 ipackets; u64 ierrors; u64 opackets; u64 oerrors; u64 ibytes; u64 obytes; u64 imcasts; u64 omcasts; u64 iqdrops; u64 noproto; #endif }; /* Precision Time Sync (IEEE 1588) defines */ #define ETHERTYPE_IEEE1588 0x88F7 #define PICOSECS_PER_TICK 20833 #define TSYNC_UDP_PORT 319 /* UDP port for the protocol */ #define IXGBE_ADVTXD_TSTAMP 0x00080000 #define IXGBE_CORE_LOCK_INIT(_sc, _name) \ mtx_init(&(_sc)->core_mtx, _name, "IXGBE Core Lock", MTX_DEF) #define IXGBE_CORE_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->core_mtx) #define IXGBE_TX_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->tx_mtx) #define IXGBE_RX_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->rx_mtx) #define IXGBE_CORE_LOCK(_sc) mtx_lock(&(_sc)->core_mtx) #define IXGBE_TX_LOCK(_sc) mtx_lock(&(_sc)->tx_mtx) #define IXGBE_TX_TRYLOCK(_sc) mtx_trylock(&(_sc)->tx_mtx) #define IXGBE_RX_LOCK(_sc) mtx_lock(&(_sc)->rx_mtx) #define IXGBE_CORE_UNLOCK(_sc) mtx_unlock(&(_sc)->core_mtx) #define IXGBE_TX_UNLOCK(_sc) mtx_unlock(&(_sc)->tx_mtx) #define IXGBE_RX_UNLOCK(_sc) mtx_unlock(&(_sc)->rx_mtx) #define IXGBE_CORE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->core_mtx, MA_OWNED) #define IXGBE_TX_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->tx_mtx, MA_OWNED) /* For backward compatibility */ #if !defined(PCIER_LINK_STA) #define PCIER_LINK_STA PCIR_EXPRESS_LINK_STA #endif /* Stats macros */ #if __FreeBSD_version >= 1100036 #define IXGBE_SET_IPACKETS(sc, count) (sc)->ipackets = (count) #define IXGBE_SET_IERRORS(sc, count) (sc)->ierrors = (count) #define IXGBE_SET_OPACKETS(sc, count) (sc)->opackets = (count) #define IXGBE_SET_OERRORS(sc, count) (sc)->oerrors = (count) #define IXGBE_SET_COLLISIONS(sc, count) #define IXGBE_SET_IBYTES(sc, count) (sc)->ibytes = (count) #define IXGBE_SET_OBYTES(sc, count) (sc)->obytes = (count) #define IXGBE_SET_IMCASTS(sc, count) (sc)->imcasts = (count) #define IXGBE_SET_OMCASTS(sc, count) (sc)->omcasts = (count) #define IXGBE_SET_IQDROPS(sc, count) (sc)->iqdrops = (count) #else #define IXGBE_SET_IPACKETS(sc, count) (sc)->ifp->if_ipackets = (count) #define IXGBE_SET_IERRORS(sc, count) (sc)->ifp->if_ierrors = (count) #define IXGBE_SET_OPACKETS(sc, count) (sc)->ifp->if_opackets = (count) #define IXGBE_SET_OERRORS(sc, count) (sc)->ifp->if_oerrors = (count) #define IXGBE_SET_COLLISIONS(sc, count) (sc)->ifp->if_collisions = (count) #define IXGBE_SET_IBYTES(sc, count) (sc)->ifp->if_ibytes = (count) #define IXGBE_SET_OBYTES(sc, count) (sc)->ifp->if_obytes = (count) #define IXGBE_SET_IMCASTS(sc, count) (sc)->ifp->if_imcasts = (count) #define IXGBE_SET_OMCASTS(sc, count) (sc)->ifp->if_omcasts = (count) #define IXGBE_SET_IQDROPS(sc, count) (sc)->ifp->if_iqdrops = (count) #endif /* Sysctl help messages; displayed with sysctl -d */ #define IXGBE_SYSCTL_DESC_ADV_SPEED \ "\nControl advertised link speed using these flags:\n" \ "\t0x1 - advertise 100M\n" \ "\t0x2 - advertise 1G\n" \ "\t0x4 - advertise 10G" #define IXGBE_SYSCTL_DESC_SET_FC \ "\nSet flow control mode using these values:\n" \ "\t0 - off\n" \ "\t1 - rx pause\n" \ "\t2 - tx pause\n" \ "\t3 - tx and rx pause" static inline bool ixgbe_is_sfp(struct ixgbe_hw *hw) { switch (hw->phy.type) { case ixgbe_phy_sfp_avago: case ixgbe_phy_sfp_ftl: case ixgbe_phy_sfp_intel: case ixgbe_phy_sfp_unknown: case ixgbe_phy_sfp_passive_tyco: case ixgbe_phy_sfp_passive_unknown: case ixgbe_phy_qsfp_passive_unknown: case ixgbe_phy_qsfp_active_unknown: case ixgbe_phy_qsfp_intel: case ixgbe_phy_qsfp_unknown: return TRUE; default: return FALSE; } } /* Workaround to make 8.0 buildable */ #if __FreeBSD_version >= 800000 && __FreeBSD_version < 800504 static __inline int drbr_needs_enqueue(struct ifnet *ifp, struct buf_ring *br) { #ifdef ALTQ if (ALTQ_IS_ENABLED(&ifp->if_snd)) return (1); #endif return (!buf_ring_empty(br)); } #endif /* ** Find the number of unrefreshed RX descriptors */ static inline u16 ixgbe_rx_unrefreshed(struct rx_ring *rxr) { if (rxr->next_to_check > rxr->next_to_refresh) return (rxr->next_to_check - rxr->next_to_refresh - 1); else return ((rxr->num_desc + rxr->next_to_check) - rxr->next_to_refresh - 1); } /* ** This checks for a zero mac addr, something that will be likely ** unless the Admin on the Host has created one. */ static inline bool ixv_check_ether_addr(u8 *addr) { bool status = TRUE; if ((addr[0] == 0 && addr[1]== 0 && addr[2] == 0 && addr[3] == 0 && addr[4]== 0 && addr[5] == 0)) status = FALSE; return (status); } /* Shared Prototypes */ #ifdef IXGBE_LEGACY_TX void ixgbe_start(struct ifnet *); void ixgbe_start_locked(struct tx_ring *, struct ifnet *); #else /* ! IXGBE_LEGACY_TX */ int ixgbe_mq_start(struct ifnet *, struct mbuf *); int ixgbe_mq_start_locked(struct ifnet *, struct tx_ring *); void ixgbe_qflush(struct ifnet *); void ixgbe_deferred_mq_start(void *, int); #endif /* IXGBE_LEGACY_TX */ int ixgbe_allocate_queues(struct adapter *); int ixgbe_allocate_transmit_buffers(struct tx_ring *); int ixgbe_setup_transmit_structures(struct adapter *); void ixgbe_free_transmit_structures(struct adapter *); int ixgbe_allocate_receive_buffers(struct rx_ring *); int ixgbe_setup_receive_structures(struct adapter *); void ixgbe_free_receive_structures(struct adapter *); void ixgbe_txeof(struct tx_ring *); bool ixgbe_rxeof(struct ix_queue *); int ixgbe_dma_malloc(struct adapter *, bus_size_t, struct ixgbe_dma_alloc *, int); void ixgbe_dma_free(struct adapter *, struct ixgbe_dma_alloc *); #endif /* _IXGBE_H_ */ Index: projects/cxl_iscsi/sys =================================================================== --- projects/cxl_iscsi/sys (revision 280228) +++ projects/cxl_iscsi/sys (revision 280229) Property changes on: projects/cxl_iscsi/sys ___________________________________________________________________ Modified: svn:mergeinfo ## -0,0 +0,1 ## Merged /head/sys:r280227-280228 Index: projects/cxl_iscsi =================================================================== --- projects/cxl_iscsi (revision 280228) +++ projects/cxl_iscsi (revision 280229) Property changes on: projects/cxl_iscsi ___________________________________________________________________ Modified: svn:mergeinfo ## -0,0 +0,1 ## Merged /head:r280227-280228