2 * Copyright (c) 2011 Chelsio Communications, Inc.
4 * Written by: Navdeep Parhar <np@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #ifndef __T4_ADAPTER_H__
32 #define __T4_ADAPTER_H__
34 #include <sys/kernel.h>
37 #include <sys/types.h>
38 #include <sys/malloc.h>
39 #include <dev/pci/pcivar.h>
40 #include <dev/pci/pcireg.h>
41 #include <machine/bus.h>
42 #include <sys/socket.h>
43 #include <sys/sysctl.h>
44 #include <net/ethernet.h>
46 #include <net/if_media.h>
47 #include <netinet/tcp_lro.h>
50 #include "firmware/t4fw_interface.h"
52 #define T4_CFGNAME "t4fw_cfg"
53 #define T4_FWNAME "t4fw"
55 MALLOC_DECLARE(M_CXGBE);
56 #define CXGBE_UNIMPLEMENTED(s) \
57 panic("%s (%s, line %d) not implemented yet.", s, __FILE__, __LINE__)
59 #if defined(__i386__) || defined(__amd64__)
63 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
69 #ifndef SYSCTL_ADD_UQUAD
70 #define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD
71 #define sysctl_handle_64 sysctl_handle_quad
72 #define CTLTYPE_U64 CTLTYPE_QUAD
75 #if (__FreeBSD_version >= 900030) || \
76 ((__FreeBSD_version >= 802507) && (__FreeBSD_version < 900000))
81 /* XXX: need systemwide bus_space_read_8/bus_space_write_8 */
82 static __inline uint64_t
83 t4_bus_space_read_8(bus_space_tag_t tag, bus_space_handle_t handle,
86 KASSERT(tag == X86_BUS_SPACE_MEM,
87 ("%s: can only handle mem space", __func__));
89 return (*(volatile uint64_t *)(handle + offset));
93 t4_bus_space_write_8(bus_space_tag_t tag, bus_space_handle_t bsh,
94 bus_size_t offset, uint64_t value)
96 KASSERT(tag == X86_BUS_SPACE_MEM,
97 ("%s: can only handle mem space", __func__));
99 *(volatile uint64_t *)(bsh + offset) = value;
102 static __inline uint64_t
103 t4_bus_space_read_8(bus_space_tag_t tag, bus_space_handle_t handle,
106 return (uint64_t)bus_space_read_4(tag, handle, offset) +
107 ((uint64_t)bus_space_read_4(tag, handle, offset + 4) << 32);
111 t4_bus_space_write_8(bus_space_tag_t tag, bus_space_handle_t bsh,
112 bus_size_t offset, uint64_t value)
114 bus_space_write_4(tag, bsh, offset, value);
115 bus_space_write_4(tag, bsh, offset + 4, value >> 32);
120 typedef struct adapter adapter_t;
124 FW_IQ_ESIZE = 64, /* At least 64 mandated by the firmware spec */
127 RX_IQ_ESIZE = 64, /* At least 64 so CPL_RX_PKT will fit */
129 EQ_ESIZE = 64, /* All egress queues use this entry size */
131 RX_FL_ESIZE = EQ_ESIZE, /* 8 64bit addresses */
132 #if MJUMPAGESIZE != MCLBYTES
133 FL_BUF_SIZES = 4, /* cluster, jumbop, jumbo9k, jumbo16k */
135 FL_BUF_SIZES = 3, /* cluster, jumbo9k, jumbo16k */
142 TX_WR_FLITS = SGE_MAX_WR_LEN / 8
146 /* adapter intr_type */
147 INTR_INTX = (1 << 0),
154 FULL_INIT_DONE = (1 << 0),
156 INTR_DIRECT = (1 << 2), /* direct interrupts for everything */
157 MASTER_PF = (1 << 3),
158 ADAP_SYSCTL_CTX = (1 << 4),
160 CXGBE_BUSY = (1 << 9),
164 PORT_INIT_DONE = (1 << 1),
165 PORT_SYSCTL_CTX = (1 << 2),
168 #define IS_DOOMED(pi) (pi->flags & DOOMED)
169 #define SET_DOOMED(pi) do {pi->flags |= DOOMED;} while (0)
170 #define IS_BUSY(sc) (sc->flags & CXGBE_BUSY)
171 #define SET_BUSY(sc) do {sc->flags |= CXGBE_BUSY;} while (0)
172 #define CLR_BUSY(sc) do {sc->flags &= ~CXGBE_BUSY;} while (0)
176 struct adapter *adapter;
179 struct ifmedia media;
187 int16_t xact_addr_filt;/* index of exact MAC address filter */
188 uint16_t rss_size; /* size of VI's RSS table slice */
189 uint8_t lport; /* associated offload logical port */
196 /* These need to be int as they are used in sysctl */
197 int ntxq; /* # of tx queues */
198 int first_txq; /* index of first tx queue */
199 int nrxq; /* # of rx queues */
200 int first_rxq; /* index of first rx queue */
201 #ifndef TCP_OFFLOAD_DISABLE
202 int nofldtxq; /* # of offload tx queues */
203 int first_ofld_txq; /* index of first offload tx queue */
204 int nofldrxq; /* # of offload rx queues */
205 int first_ofld_rxq; /* index of first offload rx queue */
212 struct link_config link_cfg;
213 struct port_stats stats;
216 struct sysctl_ctx_list ctx; /* from ifconfig up to driver detach */
218 uint8_t hw_addr[ETHER_ADDR_LEN]; /* factory MAC address, won't change */
225 uint8_t tag_idx; /* the sc->fl_tag this map comes from */
240 /* DMA maps used for tx */
243 uint32_t map_total; /* # of DMA maps */
244 uint32_t map_pidx; /* next map to be used */
245 uint32_t map_cidx; /* reclaimed up to this index */
246 uint32_t map_avail; /* # of available maps */
250 uint8_t desc_used; /* # of hardware descriptors used by the WR */
251 uint8_t credits; /* NIC txq: # of frames sent out in the WR */
256 IQ_ALLOCATED = (1 << 0), /* firmware resources allocated */
257 IQ_HAS_FL = (1 << 1), /* iq associated with a freelist */
258 IQ_INTR = (1 << 2), /* iq takes direct interrupt */
259 IQ_LRO_ENABLED = (1 << 3), /* iq is an eth rxq with LRO enabled */
268 * Ingress Queue: T4 is producer, driver is consumer.
271 bus_dma_tag_t desc_tag;
272 bus_dmamap_t desc_map;
273 bus_addr_t ba; /* bus address of descriptor ring */
276 uint16_t abs_id; /* absolute SGE id for the iq */
277 int8_t intr_pktc_idx; /* packet count threshold index */
279 __be64 *desc; /* KVA of descriptor ring */
282 struct adapter *adapter;
283 const __be64 *cdesc; /* current descriptor */
284 uint8_t gen; /* generation bit */
285 uint8_t intr_params; /* interrupt holdoff parameters */
286 uint8_t intr_next; /* XXX: holdoff for next interrupt */
287 uint8_t esize; /* size (bytes) of each entry in the queue */
288 uint16_t qsize; /* size (# of entries) of the queue */
289 uint16_t cidx; /* consumer index */
290 uint16_t cntxt_id; /* SGE context id for the iq */
292 STAILQ_ENTRY(sge_iq) link;
298 #ifndef TCP_OFFLOAD_DISABLE
303 EQ_TYPEMASK = 7, /* 3 lsbits hold the type */
304 EQ_ALLOCATED = (1 << 3), /* firmware resources allocated */
305 EQ_DOOMED = (1 << 4), /* about to be destroyed */
306 EQ_CRFLUSHED = (1 << 5), /* expecting an update from SGE */
307 EQ_STALLED = (1 << 6), /* out of hw descriptors or dmamaps */
311 * Egress Queue: driver is producer, T4 is consumer.
313 * Note: A free list is an egress queue (driver produces the buffers and T4
314 * consumes them) but it's special enough to have its own struct (see sge_fl).
317 unsigned int flags; /* MUST be first */
318 unsigned int cntxt_id; /* SGE context id for the eq */
319 bus_dma_tag_t desc_tag;
320 bus_dmamap_t desc_map;
324 struct tx_desc *desc; /* KVA of descriptor ring */
325 bus_addr_t ba; /* bus address of descriptor ring */
326 struct sge_qstat *spg; /* status page, for convenience */
327 uint16_t cap; /* max # of desc, for convenience */
328 uint16_t avail; /* available descriptors, for convenience */
329 uint16_t qsize; /* size (# of entries) of the queue */
330 uint16_t cidx; /* consumer idx (desc idx) */
331 uint16_t pidx; /* producer idx (desc idx) */
332 uint16_t pending; /* # of descriptors used since last doorbell */
333 uint16_t iqid; /* iq that gets egr_update for the eq */
334 uint8_t tx_chan; /* tx channel used by the eq */
336 struct callout tx_callout;
340 uint32_t egr_update; /* # of SGE_EGR_UPDATE notifications for eq */
341 uint32_t unstalled; /* recovered from stall */
345 FL_STARVING = (1 << 0), /* on the adapter's list of starving fl's */
346 FL_DOOMED = (1 << 1), /* about to be destroyed */
349 #define FL_RUNNING_LOW(fl) (fl->cap - fl->needed <= fl->lowat)
350 #define FL_NOT_RUNNING_LOW(fl) (fl->cap - fl->needed >= 2 * fl->lowat)
353 bus_dma_tag_t desc_tag;
354 bus_dmamap_t desc_map;
355 bus_dma_tag_t tag[FL_BUF_SIZES];
361 __be64 *desc; /* KVA of descriptor ring, ptr to addresses */
362 bus_addr_t ba; /* bus address of descriptor ring */
363 struct fl_sdesc *sdesc; /* KVA of software descriptor ring */
364 uint32_t cap; /* max # of buffers, for convenience */
365 uint16_t qsize; /* size (# of entries) of the queue */
366 uint16_t cntxt_id; /* SGE context id for the freelist */
367 uint32_t cidx; /* consumer idx (buffer idx, NOT hw desc idx) */
368 uint32_t pidx; /* producer idx (buffer idx, NOT hw desc idx) */
369 uint32_t needed; /* # of buffers needed to fill up fl. */
370 uint32_t lowat; /* # of buffers <= this means fl needs help */
371 uint32_t pending; /* # of bufs allocated since last doorbell */
372 unsigned int dmamap_failed;
373 TAILQ_ENTRY(sge_fl) link; /* All starving freelists */
376 /* txq: SGE egress queue + what's needed for Ethernet NIC */
378 struct sge_eq eq; /* MUST be first */
380 struct ifnet *ifp; /* the interface this txq belongs to */
381 bus_dma_tag_t tx_tag; /* tag for transmit buffers */
382 struct buf_ring *br; /* tx buffer ring */
383 struct tx_sdesc *sdesc; /* KVA of software descriptor ring */
384 struct mbuf *m; /* held up due to temporary resource shortage */
386 struct tx_maps txmaps;
388 /* stats for common events first */
390 uint64_t txcsum; /* # of times hardware assisted with checksum */
391 uint64_t tso_wrs; /* # of IPv4 TSO work requests */
392 uint64_t vlan_insertion;/* # of times VLAN tag was inserted */
393 uint64_t imm_wrs; /* # of work requests with immediate data */
394 uint64_t sgl_wrs; /* # of work requests with direct SGL */
395 uint64_t txpkt_wrs; /* # of txpkt work requests (not coalesced) */
396 uint64_t txpkts_wrs; /* # of coalesced tx work requests */
397 uint64_t txpkts_pkts; /* # of frames in coalesced tx work requests */
399 /* stats for not-that-common events */
401 uint32_t no_dmamap; /* no DMA map to load the mbuf */
402 uint32_t no_desc; /* out of hardware descriptors */
403 } __aligned(CACHE_LINE_SIZE);
405 /* rxq: SGE ingress queue + SGE free list + miscellaneous items */
407 struct sge_iq iq; /* MUST be first */
408 struct sge_fl fl; /* MUST follow iq */
410 struct ifnet *ifp; /* the interface this rxq belongs to */
412 struct lro_ctrl lro; /* LRO state */
415 /* stats for common events first */
417 uint64_t rxcsum; /* # of times hardware assisted with checksum */
418 uint64_t vlan_extraction;/* # of times VLAN tag was extracted */
420 /* stats for not-that-common events */
422 } __aligned(CACHE_LINE_SIZE);
424 #ifndef TCP_OFFLOAD_DISABLE
425 /* ofld_rxq: SGE ingress queue + SGE free list + miscellaneous items */
426 struct sge_ofld_rxq {
427 struct sge_iq iq; /* MUST be first */
428 struct sge_fl fl; /* MUST follow iq */
429 } __aligned(CACHE_LINE_SIZE);
433 * wrq: SGE egress queue that is given prebuilt work requests. Both the control
434 * and offload tx queues are of this type.
437 struct sge_eq eq; /* MUST be first */
439 struct adapter *adapter;
440 struct mbuf *head; /* held up due to lack of descriptors */
441 struct mbuf *tail; /* valid only if head is valid */
443 /* stats for common events first */
445 uint64_t tx_wrs; /* # of tx work requests */
447 /* stats for not-that-common events */
449 uint32_t no_desc; /* out of hardware descriptors */
450 } __aligned(CACHE_LINE_SIZE);
453 int timer_val[SGE_NTIMERS];
454 int counter_val[SGE_NCOUNTERS];
455 int fl_starve_threshold;
457 int nrxq; /* total # of Ethernet rx queues */
458 int ntxq; /* total # of Ethernet tx tx queues */
459 #ifndef TCP_OFFLOAD_DISABLE
460 int nofldrxq; /* total # of TOE rx queues */
461 int nofldtxq; /* total # of TOE tx queues */
463 int niq; /* total # of ingress queues */
464 int neq; /* total # of egress queues */
466 struct sge_iq fwq; /* Firmware event queue */
467 struct sge_wrq mgmtq; /* Management queue (control queue) */
468 struct sge_wrq *ctrlq; /* Control queues */
469 struct sge_txq *txq; /* NIC tx queues */
470 struct sge_rxq *rxq; /* NIC rx queues */
471 #ifndef TCP_OFFLOAD_DISABLE
472 struct sge_wrq *ofld_txq; /* TOE tx queues */
473 struct sge_ofld_rxq *ofld_rxq; /* TOE rx queues */
478 struct sge_iq **iqmap; /* iq->cntxt_id to iq mapping */
479 struct sge_eq **eqmap; /* eq->cntxt_id to eq mapping */
483 typedef int (*cpl_handler_t)(struct sge_iq *, const struct rss_header *,
487 SLIST_ENTRY(adapter) link;
491 /* PCIe register resources */
493 struct resource *regs_res;
495 struct resource *msix_res;
496 bus_space_handle_t bh;
503 /* Interrupt information */
507 struct resource *res;
512 bus_dma_tag_t dmat; /* Parent DMA tag */
516 struct taskqueue *tq[NCHAN]; /* taskqueues that flush data out */
517 struct port_info *port[MAX_NPORTS];
518 uint8_t chan_map[NCHAN];
519 uint32_t filter_mode;
521 #ifndef TCP_OFFLOAD_DISABLE
522 struct uld_softc tom;
523 struct tom_tunables tt;
525 struct l2t_data *l2t; /* L2 table */
526 struct tid_info tids;
529 #ifndef TCP_OFFLOAD_DISABLE
536 struct adapter_params params;
537 struct t4_virt_res vres;
546 struct sysctl_ctx_list ctx; /* from adapter_full_init to full_uninit */
551 /* Starving free lists */
552 struct mtx sfl_lock; /* same cache-line as sc_lock? but that's ok */
553 TAILQ_HEAD(, sge_fl) sfl;
554 struct callout sfl_callout;
556 cpl_handler_t cpl_handler[256] __aligned(CACHE_LINE_SIZE);
559 #define ADAPTER_LOCK(sc) mtx_lock(&(sc)->sc_lock)
560 #define ADAPTER_UNLOCK(sc) mtx_unlock(&(sc)->sc_lock)
561 #define ADAPTER_LOCK_ASSERT_OWNED(sc) mtx_assert(&(sc)->sc_lock, MA_OWNED)
562 #define ADAPTER_LOCK_ASSERT_NOTOWNED(sc) mtx_assert(&(sc)->sc_lock, MA_NOTOWNED)
564 #define PORT_LOCK(pi) mtx_lock(&(pi)->pi_lock)
565 #define PORT_UNLOCK(pi) mtx_unlock(&(pi)->pi_lock)
566 #define PORT_LOCK_ASSERT_OWNED(pi) mtx_assert(&(pi)->pi_lock, MA_OWNED)
567 #define PORT_LOCK_ASSERT_NOTOWNED(pi) mtx_assert(&(pi)->pi_lock, MA_NOTOWNED)
569 #define FL_LOCK(fl) mtx_lock(&(fl)->fl_lock)
570 #define FL_TRYLOCK(fl) mtx_trylock(&(fl)->fl_lock)
571 #define FL_UNLOCK(fl) mtx_unlock(&(fl)->fl_lock)
572 #define FL_LOCK_ASSERT_OWNED(fl) mtx_assert(&(fl)->fl_lock, MA_OWNED)
573 #define FL_LOCK_ASSERT_NOTOWNED(fl) mtx_assert(&(fl)->fl_lock, MA_NOTOWNED)
575 #define RXQ_FL_LOCK(rxq) FL_LOCK(&(rxq)->fl)
576 #define RXQ_FL_UNLOCK(rxq) FL_UNLOCK(&(rxq)->fl)
577 #define RXQ_FL_LOCK_ASSERT_OWNED(rxq) FL_LOCK_ASSERT_OWNED(&(rxq)->fl)
578 #define RXQ_FL_LOCK_ASSERT_NOTOWNED(rxq) FL_LOCK_ASSERT_NOTOWNED(&(rxq)->fl)
580 #define EQ_LOCK(eq) mtx_lock(&(eq)->eq_lock)
581 #define EQ_TRYLOCK(eq) mtx_trylock(&(eq)->eq_lock)
582 #define EQ_UNLOCK(eq) mtx_unlock(&(eq)->eq_lock)
583 #define EQ_LOCK_ASSERT_OWNED(eq) mtx_assert(&(eq)->eq_lock, MA_OWNED)
584 #define EQ_LOCK_ASSERT_NOTOWNED(eq) mtx_assert(&(eq)->eq_lock, MA_NOTOWNED)
586 #define TXQ_LOCK(txq) EQ_LOCK(&(txq)->eq)
587 #define TXQ_TRYLOCK(txq) EQ_TRYLOCK(&(txq)->eq)
588 #define TXQ_UNLOCK(txq) EQ_UNLOCK(&(txq)->eq)
589 #define TXQ_LOCK_ASSERT_OWNED(txq) EQ_LOCK_ASSERT_OWNED(&(txq)->eq)
590 #define TXQ_LOCK_ASSERT_NOTOWNED(txq) EQ_LOCK_ASSERT_NOTOWNED(&(txq)->eq)
592 #define for_each_txq(pi, iter, txq) \
593 txq = &pi->adapter->sge.txq[pi->first_txq]; \
594 for (iter = 0; iter < pi->ntxq; ++iter, ++txq)
595 #define for_each_rxq(pi, iter, rxq) \
596 rxq = &pi->adapter->sge.rxq[pi->first_rxq]; \
597 for (iter = 0; iter < pi->nrxq; ++iter, ++rxq)
598 #define for_each_ofld_txq(pi, iter, ofld_txq) \
599 ofld_txq = &pi->adapter->sge.ofld_txq[pi->first_ofld_txq]; \
600 for (iter = 0; iter < pi->nofldtxq; ++iter, ++ofld_txq)
601 #define for_each_ofld_rxq(pi, iter, ofld_rxq) \
602 ofld_rxq = &pi->adapter->sge.ofld_rxq[pi->first_ofld_rxq]; \
603 for (iter = 0; iter < pi->nofldrxq; ++iter, ++ofld_rxq)
605 /* One for errors, one for firmware events */
606 #define T4_EXTRA_INTR 2
608 static inline uint32_t
609 t4_read_reg(struct adapter *sc, uint32_t reg)
611 return bus_space_read_4(sc->bt, sc->bh, reg);
615 t4_write_reg(struct adapter *sc, uint32_t reg, uint32_t val)
617 bus_space_write_4(sc->bt, sc->bh, reg, val);
620 static inline uint64_t
621 t4_read_reg64(struct adapter *sc, uint32_t reg)
623 return t4_bus_space_read_8(sc->bt, sc->bh, reg);
627 t4_write_reg64(struct adapter *sc, uint32_t reg, uint64_t val)
629 t4_bus_space_write_8(sc->bt, sc->bh, reg, val);
633 t4_os_pci_read_cfg1(struct adapter *sc, int reg, uint8_t *val)
635 *val = pci_read_config(sc->dev, reg, 1);
639 t4_os_pci_write_cfg1(struct adapter *sc, int reg, uint8_t val)
641 pci_write_config(sc->dev, reg, val, 1);
645 t4_os_pci_read_cfg2(struct adapter *sc, int reg, uint16_t *val)
647 *val = pci_read_config(sc->dev, reg, 2);
651 t4_os_pci_write_cfg2(struct adapter *sc, int reg, uint16_t val)
653 pci_write_config(sc->dev, reg, val, 2);
657 t4_os_pci_read_cfg4(struct adapter *sc, int reg, uint32_t *val)
659 *val = pci_read_config(sc->dev, reg, 4);
663 t4_os_pci_write_cfg4(struct adapter *sc, int reg, uint32_t val)
665 pci_write_config(sc->dev, reg, val, 4);
668 static inline struct port_info *
669 adap2pinfo(struct adapter *sc, int idx)
671 return (sc->port[idx]);
675 t4_os_set_hw_addr(struct adapter *sc, int idx, uint8_t hw_addr[])
677 bcopy(hw_addr, sc->port[idx]->hw_addr, ETHER_ADDR_LEN);
680 static inline bool is_10G_port(const struct port_info *pi)
682 return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G) != 0);
685 static inline int tx_resume_threshold(struct sge_eq *eq)
687 return (eq->qsize / 4);
691 void t4_tx_task(void *, int);
692 void t4_tx_callout(void *);
693 int t4_os_find_pci_capability(struct adapter *, int);
694 int t4_os_pci_save_state(struct adapter *);
695 int t4_os_pci_restore_state(struct adapter *);
696 void t4_os_portmod_changed(const struct adapter *, int);
697 void t4_os_link_changed(struct adapter *, int, int);
698 void t4_iterate(void (*)(struct adapter *, void *), void *);
699 int t4_register_cpl_handler(struct adapter *, int, cpl_handler_t);
702 void t4_sge_modload(void);
703 int t4_sge_init(struct adapter *);
704 int t4_create_dma_tag(struct adapter *);
705 int t4_destroy_dma_tag(struct adapter *);
706 int t4_setup_adapter_queues(struct adapter *);
707 int t4_teardown_adapter_queues(struct adapter *);
708 int t4_setup_port_queues(struct port_info *);
709 int t4_teardown_port_queues(struct port_info *);
710 int t4_alloc_tx_maps(struct tx_maps *, bus_dma_tag_t, int, int);
711 void t4_free_tx_maps(struct tx_maps *, bus_dma_tag_t);
712 void t4_intr_all(void *);
713 void t4_intr(void *);
714 void t4_intr_err(void *);
715 void t4_intr_evt(void *);
716 int t4_mgmt_tx(struct adapter *, struct mbuf *);
717 int t4_wrq_tx_locked(struct adapter *, struct sge_wrq *, struct mbuf *);
718 int t4_eth_tx(struct ifnet *, struct sge_txq *, struct mbuf *);
719 void t4_update_fl_bufsize(struct ifnet *);
720 int can_resume_tx(struct sge_eq *);
722 static inline int t4_wrq_tx(struct adapter *sc, struct sge_wrq *wrq, struct mbuf *m)
727 rc = t4_wrq_tx_locked(sc, wrq, m);