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sys/net/iflib.h
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#define __IFLIB_H_ | #define __IFLIB_H_ | ||||
#include <sys/kobj.h> | #include <sys/kobj.h> | ||||
#include <sys/bus.h> | #include <sys/bus.h> | ||||
#include <sys/cpuset.h> | #include <sys/cpuset.h> | ||||
#include <machine/bus.h> | #include <machine/bus.h> | ||||
#include <sys/bus_dma.h> | #include <sys/bus_dma.h> | ||||
#include <sys/nv.h> | #include <sys/nv.h> | ||||
#include <sys/gtaskqueue.h> | |||||
/* | /* | ||||
* Most cards can handle much larger TSO requests | * Most cards can handle much larger TSO requests | ||||
* but the FreeBSD TCP stack will break on larger | * but the FreeBSD TCP stack will break on larger | ||||
* values | * values | ||||
*/ | */ | ||||
#define FREEBSD_TSO_SIZE_MAX 65518 | #define FREEBSD_TSO_SIZE_MAX 65518 | ||||
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* - iflib accessors | * - iflib accessors | ||||
* - iflib utility functions | * - iflib utility functions | ||||
* - iflib core functions | * - iflib core functions | ||||
*/ | */ | ||||
typedef struct if_rxd_frag { | typedef struct if_rxd_frag { | ||||
uint8_t irf_flid; | uint8_t irf_flid; | ||||
uint16_t irf_idx; | uint16_t irf_idx; | ||||
uint16_t irf_len; | |||||
} *if_rxd_frag_t; | } *if_rxd_frag_t; | ||||
typedef struct if_rxd_info { | typedef struct if_rxd_info { | ||||
/* set by iflib */ | /* set by iflib */ | ||||
uint16_t iri_qsidx; /* qset index */ | uint16_t iri_qsidx; /* qset index */ | ||||
uint16_t iri_vtag; /* vlan tag - if flag set */ | uint16_t iri_vtag; /* vlan tag - if flag set */ | ||||
/* XXX redundant with the new irf_len field */ | |||||
uint16_t iri_len; /* packet length */ | uint16_t iri_len; /* packet length */ | ||||
uint16_t iri_cidx; /* consumer index of cq */ | uint16_t iri_cidx; /* consumer index of cq */ | ||||
struct ifnet *iri_ifp; /* some drivers >1 interface per softc */ | struct ifnet *iri_ifp; /* some drivers >1 interface per softc */ | ||||
/* updated by driver */ | /* updated by driver */ | ||||
uint16_t iri_flags; /* mbuf flags for packet */ | uint16_t iri_flags; /* mbuf flags for packet */ | ||||
uint32_t iri_flowid; /* RSS hash for packet */ | uint32_t iri_flowid; /* RSS hash for packet */ | ||||
uint32_t iri_csum_flags; /* m_pkthdr csum flags */ | uint32_t iri_csum_flags; /* m_pkthdr csum flags */ | ||||
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#define PVID_OEM(vendor, devid, svid, sdevid, revid, name) {vendor, devid, svid, sdevid, revid, 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} | #define PVID_END {0, 0, 0, 0, 0, 0, NULL} | ||||
typedef struct if_txrx { | typedef struct if_txrx { | ||||
int (*ift_txd_encap) (void *, if_pkt_info_t); | int (*ift_txd_encap) (void *, if_pkt_info_t); | ||||
void (*ift_txd_flush) (void *, uint16_t, uint32_t); | void (*ift_txd_flush) (void *, uint16_t, uint32_t); | ||||
int (*ift_txd_credits_update) (void *, uint16_t, uint32_t, bool); | int (*ift_txd_credits_update) (void *, uint16_t, uint32_t, bool); | ||||
int (*ift_rxd_available) (void *, uint16_t qsidx, uint32_t pidx); | int (*ift_rxd_available) (void *, uint16_t qsidx, uint32_t pidx, | ||||
int budget); | |||||
int (*ift_rxd_pkt_get) (void *, if_rxd_info_t ri); | int (*ift_rxd_pkt_get) (void *, if_rxd_info_t ri); | ||||
void (*ift_rxd_refill) (void * , uint16_t qsidx, uint8_t flidx, uint32_t pidx, | void (*ift_rxd_refill) (void * , uint16_t qsidx, uint8_t flidx, uint32_t pidx, | ||||
uint64_t *paddrs, caddr_t *vaddrs, uint16_t count); | uint64_t *paddrs, caddr_t *vaddrs, uint16_t count, uint16_t buf_size); | ||||
void (*ift_rxd_flush) (void *, uint16_t qsidx, uint8_t flidx, uint32_t pidx); | void (*ift_rxd_flush) (void *, uint16_t qsidx, uint8_t flidx, uint32_t pidx); | ||||
int (*ift_legacy_intr) (void *); | int (*ift_legacy_intr) (void *); | ||||
} *if_txrx_t; | } *if_txrx_t; | ||||
typedef struct if_softc_ctx { | typedef struct if_softc_ctx { | ||||
int isc_vectors; | int isc_vectors; | ||||
int isc_nrxqsets; | int isc_nrxqsets; | ||||
int isc_ntxqsets; | int isc_ntxqsets; | ||||
int isc_msix_bar; /* can be model specific - initialize in attach_pre */ | 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_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]; | |||||
int isc_max_txqsets; | |||||
int isc_max_rxqsets; | |||||
int isc_tx_tso_segments_max; | int isc_tx_tso_segments_max; | ||||
int isc_tx_tso_size_max; | int isc_tx_tso_size_max; | ||||
int isc_tx_tso_segsize_max; | int isc_tx_tso_segsize_max; | ||||
int isc_rss_table_size; | int isc_rss_table_size; | ||||
int isc_rss_table_mask; | int isc_rss_table_mask; | ||||
int isc_nrxqsets_max; | |||||
int isc_ntxqsets_max; | |||||
iflib_intr_mode_t isc_intr; | iflib_intr_mode_t isc_intr; | ||||
uint16_t isc_max_frame_size; /* set at init time by driver */ | uint16_t isc_max_frame_size; /* set at init time by driver */ | ||||
pci_vendor_info_t isc_vendor_info; /* set by iflib prior to attach_pre */ | pci_vendor_info_t isc_vendor_info; /* set by iflib prior to attach_pre */ | ||||
} *if_softc_ctx_t; | } *if_softc_ctx_t; | ||||
/* | /* | ||||
* Initialization values for device | * Initialization values for device | ||||
*/ | */ | ||||
struct if_shared_ctx { | struct if_shared_ctx { | ||||
int isc_magic; | int isc_magic; | ||||
if_txrx_t isc_txrx; | if_txrx_t isc_txrx; | ||||
driver_t *isc_driver; | driver_t *isc_driver; | ||||
int isc_ntxd; | |||||
int isc_nrxd; | |||||
int isc_nfl; | int isc_nfl; | ||||
int isc_flags; | int isc_flags; | ||||
bus_size_t isc_q_align; | bus_size_t isc_q_align; | ||||
bus_size_t isc_tx_maxsize; | bus_size_t isc_tx_maxsize; | ||||
bus_size_t isc_tx_maxsegsize; | bus_size_t isc_tx_maxsegsize; | ||||
bus_size_t isc_rx_maxsize; | bus_size_t isc_rx_maxsize; | ||||
bus_size_t isc_rx_maxsegsize; | bus_size_t isc_rx_maxsegsize; | ||||
int isc_rx_nsegments; | int isc_rx_nsegments; | ||||
int isc_rx_process_limit; | int isc_rx_process_limit; | ||||
uint32_t isc_txqsizes[8]; | |||||
int isc_ntxqs; /* # of tx queues per tx qset - usually 1 */ | int isc_ntxqs; /* # of tx queues per tx qset - usually 1 */ | ||||
uint32_t isc_rxqsizes[8]; | |||||
int isc_nrxqs; /* # of rx queues per rx qset - intel 1, chelsio 2, broadcom 3 */ | int isc_nrxqs; /* # of rx queues per rx qset - intel 1, chelsio 2, broadcom 3 */ | ||||
int isc_admin_intrcnt; /* # of admin/link interrupts */ | int isc_admin_intrcnt; /* # of admin/link interrupts */ | ||||
int isc_tx_reclaim_thresh; | int isc_tx_reclaim_thresh; | ||||
/* fields necessary for probe */ | /* fields necessary for probe */ | ||||
pci_vendor_info_t *isc_vendor_info; | pci_vendor_info_t *isc_vendor_info; | ||||
char *isc_driver_version; | char *isc_driver_version; | ||||
/* optional function to transform the read values to match the table*/ | /* optional function to transform the read values to match the table*/ | ||||
void (*isc_parse_devinfo) (uint16_t *device_id, uint16_t *subvendor_id, | void (*isc_parse_devinfo) (uint16_t *device_id, uint16_t *subvendor_id, | ||||
uint16_t *subdevice_id, uint16_t *rev_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]; | |||||
}; | }; | ||||
typedef struct iflib_dma_info { | typedef struct iflib_dma_info { | ||||
bus_addr_t idi_paddr; | bus_addr_t idi_paddr; | ||||
caddr_t idi_vaddr; | caddr_t idi_vaddr; | ||||
bus_dma_tag_t idi_tag; | bus_dma_tag_t idi_tag; | ||||
bus_dmamap_t idi_map; | bus_dmamap_t idi_map; | ||||
uint32_t idi_size; | uint32_t idi_size; | ||||
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} iflib_intr_type_t; | } iflib_intr_type_t; | ||||
#ifndef ETH_ADDR_LEN | #ifndef ETH_ADDR_LEN | ||||
#define ETH_ADDR_LEN 6 | #define ETH_ADDR_LEN 6 | ||||
#endif | #endif | ||||
/* | /* | ||||
* Interface has a separate command queue | * Interface has a separate command queue for RX | ||||
*/ | */ | ||||
#define IFLIB_HAS_CQ 0x1 | #define IFLIB_HAS_RXCQ 0x1 | ||||
/* | /* | ||||
* Driver has already allocated vectors | * Driver has already allocated vectors | ||||
*/ | */ | ||||
#define IFLIB_SKIP_MSIX 0x2 | #define IFLIB_SKIP_MSIX 0x2 | ||||
/* | /* | ||||
* Interface is a virtual function | * Interface is a virtual function | ||||
*/ | */ | ||||
#define IFLIB_IS_VF 0x4 | #define IFLIB_IS_VF 0x4 | ||||
/* | |||||
* Interface has a separate command queue for TX | |||||
*/ | |||||
#define IFLIB_HAS_TXCQ 0x8 | |||||
/* | /* | ||||
* field accessors | * field accessors | ||||
*/ | */ | ||||
void *iflib_get_softc(if_ctx_t ctx); | void *iflib_get_softc(if_ctx_t ctx); | ||||
device_t iflib_get_dev(if_ctx_t ctx); | device_t iflib_get_dev(if_ctx_t ctx); | ||||
Show All 40 Lines | int iflib_irq_alloc_generic(if_ctx_t ctx, if_irq_t irq, int rid, | ||||
void *filter_arg, int qid, char *name); | void *filter_arg, int qid, char *name); | ||||
void iflib_softirq_alloc_generic(if_ctx_t ctx, int rid, iflib_intr_type_t type, void *arg, int qid, char *name); | void iflib_softirq_alloc_generic(if_ctx_t ctx, int rid, iflib_intr_type_t type, void *arg, int qid, char *name); | ||||
void iflib_irq_free(if_ctx_t ctx, if_irq_t irq); | void iflib_irq_free(if_ctx_t ctx, if_irq_t irq); | ||||
void iflib_io_tqg_attach(struct grouptask *gt, void *uniq, int cpu, char *name); | void iflib_io_tqg_attach(struct grouptask *gt, void *uniq, int cpu, char *name); | ||||
void iflib_config_gtask_init(if_ctx_t ctx, struct grouptask *gtask, | void iflib_config_gtask_init(if_ctx_t ctx, struct grouptask *gtask, | ||||
task_fn_t *fn, char *name); | gtask_fn_t *fn, char *name); | ||||
void iflib_config_gtask_deinit(struct grouptask *gtask); | |||||
void iflib_tx_intr_deferred(if_ctx_t ctx, int txqid); | void iflib_tx_intr_deferred(if_ctx_t ctx, int txqid); | ||||
void iflib_rx_intr_deferred(if_ctx_t ctx, int rxqid); | void iflib_rx_intr_deferred(if_ctx_t ctx, int rxqid); | ||||
void iflib_admin_intr_deferred(if_ctx_t ctx); | void iflib_admin_intr_deferred(if_ctx_t ctx); | ||||
void iflib_iov_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); | 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(if_ctx_t ctx, int size, iflib_dma_info_t dma, int mapflags); | ||||
void iflib_dma_free(iflib_dma_info_t dma); | 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); | 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); | void iflib_dma_free_multi(iflib_dma_info_t *dmalist, int count); | ||||
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