2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2011 Chelsio Communications, Inc.
6 * Written by: Navdeep Parhar <np@FreeBSD.org>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #ifndef __T4_ADAPTER_H__
34 #define __T4_ADAPTER_H__
36 #include <sys/kernel.h>
39 #include <sys/types.h>
41 #include <sys/malloc.h>
42 #include <sys/rwlock.h>
47 #include <dev/pci/pcivar.h>
48 #include <dev/pci/pcireg.h>
49 #include <machine/bus.h>
50 #include <sys/socket.h>
51 #include <sys/sysctl.h>
52 #include <net/ethernet.h>
54 #include <net/if_var.h>
55 #include <net/if_media.h>
56 #include <netinet/in.h>
57 #include <netinet/tcp_lro.h>
61 #include "common/t4_msg.h"
62 #include "firmware/t4fw_interface.h"
64 #define KTR_CXGBE KTR_SPARE3
65 MALLOC_DECLARE(M_CXGBE);
66 #define CXGBE_UNIMPLEMENTED(s) \
67 panic("%s (%s, line %d) not implemented yet.", s, __FILE__, __LINE__)
69 #if defined(__i386__) || defined(__amd64__)
73 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
76 #define prefetch(x) __builtin_prefetch(x)
79 #ifndef SYSCTL_ADD_UQUAD
80 #define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD
81 #define sysctl_handle_64 sysctl_handle_quad
82 #define CTLTYPE_U64 CTLTYPE_QUAD
86 #define IFCAP_NOMAP (0)
89 SYSCTL_DECL(_hw_cxgbe);
92 typedef struct adapter adapter_t;
96 * All ingress queues use this entry size. Note that the firmware event
97 * queue and any iq expecting CPL_RX_PKT in the descriptor needs this to
102 /* Default queue sizes for all kinds of ingress queues */
106 /* All egress queues use this entry size */
109 /* Default queue sizes for all kinds of egress queues */
110 CTRL_EQ_QSIZE = 1024,
113 #if MJUMPAGESIZE != MCLBYTES
114 SW_ZONE_SIZES = 4, /* cluster, jumbop, jumbo9k, jumbo16k */
116 SW_ZONE_SIZES = 3, /* cluster, jumbo9k, jumbo16k */
118 CL_METADATA_SIZE = CACHE_LINE_SIZE,
120 SGE_MAX_WR_NDESC = SGE_MAX_WR_LEN / EQ_ESIZE, /* max WR size in desc */
122 TX_SGL_SEGS_TSO = 38,
124 TX_SGL_SEGS_VM_TSO = 37,
125 TX_SGL_SEGS_EO_TSO = 30, /* XXX: lower for IPv6. */
126 TX_SGL_SEGS_VXLAN_TSO = 37,
127 TX_WR_FLITS = SGE_MAX_WR_LEN / 8
131 /* adapter intr_type */
132 INTR_INTX = (1 << 0),
138 XGMAC_MTU = (1 << 0),
139 XGMAC_PROMISC = (1 << 1),
140 XGMAC_ALLMULTI = (1 << 2),
141 XGMAC_VLANEX = (1 << 3),
142 XGMAC_UCADDR = (1 << 4),
143 XGMAC_MCADDRS = (1 << 5),
149 /* flags understood by begin_synchronized_op */
150 HOLD_LOCK = (1 << 0),
154 /* flags understood by end_synchronized_op */
155 LOCK_HELD = HOLD_LOCK,
160 FULL_INIT_DONE = (1 << 0),
162 CHK_MBOX_ACCESS = (1 << 2),
163 MASTER_PF = (1 << 3),
164 ADAP_SYSCTL_CTX = (1 << 4),
166 BUF_PACKING_OK = (1 << 6),
169 CXGBE_BUSY = (1 << 9),
172 HAS_TRACEQ = (1 << 3),
173 FIXED_IFMEDIA = (1 << 4), /* ifmedia list doesn't change. */
177 VI_INIT_DONE = (1 << 1),
178 VI_SYSCTL_CTX = (1 << 2),
179 TX_USES_VM_WR = (1 << 3),
181 /* adapter debug_flags */
182 DF_DUMP_MBOX = (1 << 0), /* Log all mbox cmd/rpl. */
183 DF_LOAD_FW_ANYTIME = (1 << 1), /* Allow LOAD_FW after init */
184 DF_DISABLE_TCB_CACHE = (1 << 2), /* Disable TCB cache (T6+) */
185 DF_DISABLE_CFG_RETRY = (1 << 3), /* Disable fallback config */
186 DF_VERBOSE_SLOWINTR = (1 << 4), /* Chatty slow intr handler */
189 #define IS_DOOMED(vi) ((vi)->flags & DOOMED)
190 #define SET_DOOMED(vi) do {(vi)->flags |= DOOMED;} while (0)
191 #define IS_BUSY(sc) ((sc)->flags & CXGBE_BUSY)
192 #define SET_BUSY(sc) do {(sc)->flags |= CXGBE_BUSY;} while (0)
193 #define CLR_BUSY(sc) do {(sc)->flags &= ~CXGBE_BUSY;} while (0)
197 struct port_info *pi;
198 struct adapter *adapter;
205 uint16_t *rss, *nm_rss;
206 uint16_t viid; /* opaque VI identifier */
210 int16_t xact_addr_filt;/* index of exact MAC address filter */
211 uint16_t rss_size; /* size of VI's RSS table slice */
212 uint16_t rss_base; /* start of VI's RSS table slice */
218 /* These need to be int as they are used in sysctl */
219 int ntxq; /* # of tx queues */
220 int first_txq; /* index of first tx queue */
221 int rsrv_noflowq; /* Reserve queue 0 for non-flowid packets */
222 int nrxq; /* # of rx queues */
223 int first_rxq; /* index of first rx queue */
224 int nofldtxq; /* # of offload tx queues */
225 int first_ofld_txq; /* index of first offload tx queue */
226 int nofldrxq; /* # of offload rx queues */
227 int first_ofld_rxq; /* index of first offload rx queue */
239 struct timeval last_refreshed;
240 struct fw_vi_stats_vf stats;
243 struct sysctl_ctx_list ctx; /* from ifconfig up to driver detach */
245 uint8_t hw_addr[ETHER_ADDR_LEN]; /* factory MAC address, won't change */
248 struct tx_ch_rl_params {
249 enum fw_sched_params_rate ratemode; /* %port (REL) or kbps (ABS) */
254 CLRL_USER = (1 << 0), /* allocated manually. */
255 CLRL_SYNC = (1 << 1), /* sync hw update in progress. */
256 CLRL_ASYNC = (1 << 2), /* async hw update requested. */
257 CLRL_ERR = (1 << 3), /* last hw setup ended in error. */
260 struct tx_cl_rl_params {
263 enum fw_sched_params_rate ratemode; /* %port REL or ABS value */
264 enum fw_sched_params_unit rateunit; /* kbps or pps (when ABS) */
265 enum fw_sched_params_mode mode; /* aggr or per-flow */
271 /* Tx scheduler parameters for a channel/port */
272 struct tx_sched_params {
273 /* Channel Rate Limiter */
274 struct tx_ch_rl_params ch_rl;
279 /* Class Rate Limiter (including the default pktsize and burstsize). */
282 struct tx_cl_rl_params cl_rl[];
287 struct adapter *adapter;
293 bool vxlan_tcam_entry;
295 struct tx_sched_params *sched_params;
301 uint8_t lport; /* associated offload logical port */
307 uint8_t mps_bg_map; /* rx MPS buffer group bitmap */
308 uint8_t rx_e_chan_map; /* rx TP e-channel bitmap */
310 struct link_config link_cfg;
311 struct ifmedia media;
313 struct timeval last_refreshed;
314 struct port_stats stats;
315 u_int tnl_cong_drops;
316 u_int tx_parse_error;
319 u_long tx_toe_tls_records;
320 u_long tx_toe_tls_octets;
321 u_long rx_toe_tls_records;
322 u_long rx_toe_tls_octets;
327 #define IS_MAIN_VI(vi) ((vi) == &((vi)->pi->vi[0]))
329 struct cluster_metadata {
337 uint16_t nmbuf; /* # of driver originated mbufs with ref on cluster */
338 int16_t moff; /* offset of metadata from cl */
347 struct mbuf *m; /* m_nextpkt linked chain of frames */
348 uint8_t desc_used; /* # of hardware descriptors used by the WR */
352 #define IQ_PAD (IQ_ESIZE - sizeof(struct rsp_ctrl) - sizeof(struct rss_header))
354 struct rss_header rss;
359 CTASSERT(sizeof(struct iq_desc) == IQ_ESIZE);
363 IQ_ALLOCATED = (1 << 0), /* firmware resources allocated */
364 IQ_HAS_FL = (1 << 1), /* iq associated with a freelist */
365 IQ_RX_TIMESTAMP = (1 << 2), /* provide the SGE rx timestamp */
366 IQ_LRO_ENABLED = (1 << 3), /* iq is an eth rxq with LRO enabled */
367 IQ_ADJ_CREDIT = (1 << 4), /* hw is off by 1 credit for this iq */
374 /* netmap related flags */
381 CPL_COOKIE_RESERVED = 0,
386 CPL_COOKIE_HASHFILTER,
388 CPL_COOKIE_AVAILABLE3,
390 NUM_CPL_COOKIES = 8 /* Limited by M_COOKIE. Do not increase. */
395 typedef int (*cpl_handler_t)(struct sge_iq *, const struct rss_header *,
397 typedef int (*an_handler_t)(struct sge_iq *, const struct rsp_ctrl *);
398 typedef int (*fw_msg_handler_t)(struct adapter *, const __be64 *);
401 * Ingress Queue: T4 is producer, driver is consumer.
406 struct adapter *adapter;
407 struct iq_desc *desc; /* KVA of descriptor ring */
408 int8_t intr_pktc_idx; /* packet count threshold index */
409 uint8_t gen; /* generation bit */
410 uint8_t intr_params; /* interrupt holdoff parameters */
411 uint8_t intr_next; /* XXX: holdoff for next interrupt */
412 uint16_t qsize; /* size (# of entries) of the queue */
413 uint16_t sidx; /* index of the entry with the status page */
414 uint16_t cidx; /* consumer index */
415 uint16_t cntxt_id; /* SGE context id for the iq */
416 uint16_t abs_id; /* absolute SGE id for the iq */
418 STAILQ_ENTRY(sge_iq) link;
420 bus_dma_tag_t desc_tag;
421 bus_dmamap_t desc_map;
422 bus_addr_t ba; /* bus address of descriptor ring */
431 EQ_TYPEMASK = 0x3, /* 2 lsbits hold the type (see above) */
432 EQ_ALLOCATED = (1 << 2), /* firmware resources allocated */
433 EQ_ENABLED = (1 << 3), /* open for business */
434 EQ_QFLUSH = (1 << 4), /* if_qflush in progress */
437 /* Listed in order of preference. Update t4_sysctls too if you change these */
438 enum {DOORBELL_UDB, DOORBELL_WCWR, DOORBELL_UDBWC, DOORBELL_KDB};
441 * Egress Queue: driver is producer, T4 is consumer.
443 * Note: A free list is an egress queue (driver produces the buffers and T4
444 * consumes them) but it's special enough to have its own struct (see sge_fl).
447 unsigned int flags; /* MUST be first */
448 unsigned int cntxt_id; /* SGE context id for the eq */
449 unsigned int abs_id; /* absolute SGE id for the eq */
452 struct tx_desc *desc; /* KVA of descriptor ring */
454 volatile uint32_t *udb; /* KVA of doorbell (lies within BAR2) */
455 u_int udb_qid; /* relative qid within the doorbell page */
456 uint16_t sidx; /* index of the entry with the status page */
457 uint16_t cidx; /* consumer idx (desc idx) */
458 uint16_t pidx; /* producer idx (desc idx) */
459 uint16_t equeqidx; /* EQUEQ last requested at this pidx */
460 uint16_t dbidx; /* pidx of the most recent doorbell */
461 uint16_t iqid; /* iq that gets egr_update for the eq */
462 uint8_t tx_chan; /* tx channel used by the eq */
463 volatile u_int equiq; /* EQUIQ outstanding */
465 bus_dma_tag_t desc_tag;
466 bus_dmamap_t desc_map;
467 bus_addr_t ba; /* bus address of descriptor ring */
472 uma_zone_t zone; /* zone that this cluster comes from */
473 uint16_t size1; /* same as size of cluster: 2K/4K/9K/16K.
474 * hwsize[hwidx1] = size1. No spare. */
475 uint16_t size2; /* hwsize[hwidx2] = size2.
476 * spare in cluster = size1 - size2. */
477 int8_t hwidx1; /* SGE bufsize idx for size1 */
478 int8_t hwidx2; /* SGE bufsize idx for size2 */
479 uint8_t type; /* EXT_xxx type of the cluster */
485 MEMWIN0_APERTURE = 2048,
486 MEMWIN0_BASE = 0x1b800,
488 MEMWIN1_APERTURE = 32768,
489 MEMWIN1_BASE = 0x28000,
491 MEMWIN2_APERTURE_T4 = 65536,
492 MEMWIN2_BASE_T4 = 0x30000,
494 MEMWIN2_APERTURE_T5 = 128 * 1024,
495 MEMWIN2_BASE_T5 = 0x60000,
499 struct rwlock mw_lock __aligned(CACHE_LINE_SIZE);
500 uint32_t mw_base; /* constant after setup_memwin */
501 uint32_t mw_aperture; /* ditto */
502 uint32_t mw_curpos; /* protected by mw_lock */
506 FL_STARVING = (1 << 0), /* on the adapter's list of starving fl's */
507 FL_DOOMED = (1 << 1), /* about to be destroyed */
508 FL_BUF_PACKING = (1 << 2), /* buffer packing enabled */
509 FL_BUF_RESUME = (1 << 3), /* resume from the middle of the frame */
512 #define FL_RUNNING_LOW(fl) \
513 (IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) <= fl->lowat)
514 #define FL_NOT_RUNNING_LOW(fl) \
515 (IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) >= 2 * fl->lowat)
519 __be64 *desc; /* KVA of descriptor ring, ptr to addresses */
520 struct fl_sdesc *sdesc; /* KVA of software descriptor ring */
521 uint16_t zidx; /* refill zone idx */
523 uint16_t lowat; /* # of buffers <= this means fl needs help */
525 uint16_t buf_boundary;
527 /* The 16b idx all deal with hw descriptors */
528 uint16_t dbidx; /* hw pidx after last doorbell */
529 uint16_t sidx; /* index of status page */
530 volatile uint16_t hw_cidx;
532 /* The 32b idx are all buffer idx, not hardware descriptor idx */
533 uint32_t cidx; /* consumer index */
534 uint32_t pidx; /* producer index */
537 u_int rx_offset; /* offset in fl buf (when buffer packing) */
538 volatile uint32_t *udb;
540 uint64_t cl_allocated; /* # of clusters allocated */
541 uint64_t cl_recycled; /* # of clusters recycled */
542 uint64_t cl_fast_recycled; /* # of clusters recycled (fast) */
544 /* These 3 are valid when FL_BUF_RESUME is set, stale otherwise. */
549 uint16_t qsize; /* # of hw descriptors (status page included) */
550 uint16_t cntxt_id; /* SGE context id for the freelist */
551 TAILQ_ENTRY(sge_fl) link; /* All starving freelists */
552 bus_dma_tag_t desc_tag;
553 bus_dmamap_t desc_map;
555 bus_addr_t ba; /* bus address of descriptor ring */
561 uint8_t wr_type; /* type 0 or type 1 */
562 uint8_t npkt; /* # of packets in this work request */
563 uint8_t len16; /* # of 16B pieces used by this work request */
565 uint8_t max_npkt; /* maximum number of packets allowed */
566 uint16_t plen; /* total payload (sum of all packets) */
568 /* straight from fw_eth_tx_pkts_vm_wr. */
577 /* txq: SGE egress queue + what's needed for Ethernet NIC */
579 struct sge_eq eq; /* MUST be first */
581 struct ifnet *ifp; /* the interface this txq belongs to */
582 struct mp_ring *r; /* tx software ring */
583 struct tx_sdesc *sdesc; /* KVA of software descriptor ring */
585 __be32 cpl_ctrl0; /* for convenience */
586 int tc_idx; /* traffic class */
587 uint64_t last_tx; /* cycle count when eth_tx was last called */
590 struct task tx_reclaim_task;
591 /* stats for common events first */
593 uint64_t txcsum; /* # of times hardware assisted with checksum */
594 uint64_t tso_wrs; /* # of TSO work requests */
595 uint64_t vlan_insertion;/* # of times VLAN tag was inserted */
596 uint64_t imm_wrs; /* # of work requests with immediate data */
597 uint64_t sgl_wrs; /* # of work requests with direct SGL */
598 uint64_t txpkt_wrs; /* # of txpkt work requests (not coalesced) */
599 uint64_t txpkts0_wrs; /* # of type0 coalesced tx work requests */
600 uint64_t txpkts1_wrs; /* # of type1 coalesced tx work requests */
601 uint64_t txpkts0_pkts; /* # of frames in type0 coalesced tx WRs */
602 uint64_t txpkts1_pkts; /* # of frames in type1 coalesced tx WRs */
603 uint64_t txpkts_flush; /* # of times txp had to be sent by tx_update */
604 uint64_t raw_wrs; /* # of raw work requests (alloc_wr_mbuf) */
605 uint64_t vxlan_tso_wrs; /* # of VXLAN TSO work requests */
606 uint64_t vxlan_txcsum;
608 /* stats for not-that-common events */
609 } __aligned(CACHE_LINE_SIZE);
611 /* rxq: SGE ingress queue + SGE free list + miscellaneous items */
613 struct sge_iq iq; /* MUST be first */
614 struct sge_fl fl; /* MUST follow iq */
616 struct ifnet *ifp; /* the interface this rxq belongs to */
617 #if defined(INET) || defined(INET6)
618 struct lro_ctrl lro; /* LRO state */
621 /* stats for common events first */
623 uint64_t rxcsum; /* # of times hardware assisted with checksum */
624 uint64_t vlan_extraction;/* # of times VLAN tag was extracted */
625 uint64_t vxlan_rxcsum;
627 /* stats for not-that-common events */
629 } __aligned(CACHE_LINE_SIZE);
631 static inline struct sge_rxq *
632 iq_to_rxq(struct sge_iq *iq)
635 return (__containerof(iq, struct sge_rxq, iq));
639 /* ofld_rxq: SGE ingress queue + SGE free list + miscellaneous items */
640 struct sge_ofld_rxq {
641 struct sge_iq iq; /* MUST be first */
642 struct sge_fl fl; /* MUST follow iq */
643 } __aligned(CACHE_LINE_SIZE);
645 static inline struct sge_ofld_rxq *
646 iq_to_ofld_rxq(struct sge_iq *iq)
649 return (__containerof(iq, struct sge_ofld_rxq, iq));
653 STAILQ_ENTRY(wrqe) link;
656 char wr[] __aligned(16);
660 TAILQ_ENTRY(wrq_cookie) link;
666 * wrq: SGE egress queue that is given prebuilt work requests. Both the control
667 * and offload tx queues are of this type.
670 struct sge_eq eq; /* MUST be first */
672 struct adapter *adapter;
673 struct task wrq_tx_task;
675 /* Tx desc reserved but WR not "committed" yet. */
676 TAILQ_HEAD(wrq_incomplete_wrs , wrq_cookie) incomplete_wrs;
678 /* List of WRs ready to go out as soon as descriptors are available. */
679 STAILQ_HEAD(, wrqe) wr_list;
683 /* stats for common events first */
685 uint64_t tx_wrs_direct; /* # of WRs written directly to desc ring. */
686 uint64_t tx_wrs_ss; /* # of WRs copied from scratch space. */
687 uint64_t tx_wrs_copied; /* # of WRs queued and copied to desc ring. */
689 /* stats for not-that-common events */
692 * Scratch space for work requests that wrap around after reaching the
693 * status page, and some information about the last WR that used it.
697 uint8_t ss[SGE_MAX_WR_LEN];
699 } __aligned(CACHE_LINE_SIZE);
701 #define INVALID_NM_RXQ_CNTXT_ID ((uint16_t)(-1))
703 /* Items used by the driver rx ithread are in this cacheline. */
704 volatile int nm_state __aligned(CACHE_LINE_SIZE); /* NM_OFF, NM_ON, or NM_BUSY */
705 u_int nid; /* netmap ring # for this queue */
708 struct iq_desc *iq_desc;
710 uint16_t iq_cntxt_id;
716 /* Items used by netmap rxsync are in this cacheline. */
717 __be64 *fl_desc __aligned(CACHE_LINE_SIZE);
718 uint16_t fl_cntxt_id;
720 uint32_t fl_sidx2; /* copy of fl_sidx */
723 u_int fl_db_threshold; /* in descriptors */
727 * fl_cidx is used by both the ithread and rxsync, the rest are not used
728 * in the rx fast path.
730 uint32_t fl_cidx __aligned(CACHE_LINE_SIZE);
732 bus_dma_tag_t iq_desc_tag;
733 bus_dmamap_t iq_desc_map;
737 bus_dma_tag_t fl_desc_tag;
738 bus_dmamap_t fl_desc_map;
741 void *bb; /* bit bucket for packets with nowhere to go. */
745 #define INVALID_NM_TXQ_CNTXT_ID ((u_int)(-1))
747 struct tx_desc *desc;
751 uint16_t equiqidx; /* EQUIQ last requested at this pidx */
752 uint16_t equeqidx; /* EQUEQ last requested at this pidx */
753 uint16_t dbidx; /* pidx of the most recent doorbell */
755 volatile uint32_t *udb;
758 __be32 cpl_ctrl0; /* for convenience */
759 __be32 op_pkd; /* ditto */
760 u_int nid; /* netmap ring # for this queue */
762 /* infrequently used items after this */
764 bus_dma_tag_t desc_tag;
765 bus_dmamap_t desc_map;
768 } __aligned(CACHE_LINE_SIZE);
771 int nrxq; /* total # of Ethernet rx queues */
772 int ntxq; /* total # of Ethernet tx queues */
773 int nofldrxq; /* total # of TOE rx queues */
774 int nofldtxq; /* total # of TOE tx queues */
775 int nnmrxq; /* total # of netmap rx queues */
776 int nnmtxq; /* total # of netmap tx queues */
777 int niq; /* total # of ingress queues */
778 int neq; /* total # of egress queues */
780 struct sge_iq fwq; /* Firmware event queue */
781 struct sge_wrq *ctrlq; /* Control queues */
782 struct sge_txq *txq; /* NIC tx queues */
783 struct sge_rxq *rxq; /* NIC rx queues */
784 struct sge_wrq *ofld_txq; /* TOE tx queues */
785 struct sge_ofld_rxq *ofld_rxq; /* TOE rx queues */
786 struct sge_nm_txq *nm_txq; /* netmap tx queues */
787 struct sge_nm_rxq *nm_rxq; /* netmap rx queues */
789 uint16_t iq_start; /* first cntxt_id */
790 uint16_t iq_base; /* first abs_id */
791 int eq_start; /* first cntxt_id */
792 int eq_base; /* first abs_id */
795 struct sge_iq **iqmap; /* iq->cntxt_id to iq mapping */
796 struct sge_eq **eqmap; /* eq->cntxt_id to eq mapping */
799 struct rx_buf_info rx_buf_info[SW_ZONE_SIZES];
803 const char *nexus_name;
804 const char *ifnet_name;
805 const char *vi_ifnet_name;
806 const char *pf03_drv_name;
807 const char *vf_nexus_name;
808 const char *vf_ifnet_name;
814 SLIST_ENTRY(adapter) link;
817 const struct devnames *names;
819 /* PCIe register resources */
821 struct resource *regs_res;
823 struct resource *msix_res;
824 bus_space_handle_t bh;
828 struct resource *udbs_res;
829 volatile uint8_t *udbs_base;
833 unsigned int vpd_busy;
834 unsigned int vpd_flag;
836 /* Interrupt information */
840 struct resource *res;
844 struct sge_nm_rxq *nm_rxq;
845 } __aligned(CACHE_LINE_SIZE) *irq;
847 int sge_kdoorbell_reg;
849 bus_dma_tag_t dmat; /* Parent DMA tag */
856 u_int vxlan_refcount;
860 struct taskqueue *tq[MAX_NCHAN]; /* General purpose taskqueues */
861 struct port_info *port[MAX_NPORTS];
862 uint8_t chan_map[MAX_NCHAN]; /* channel -> port */
864 struct mtx clip_table_lock;
865 TAILQ_HEAD(, clip_entry) clip_table;
868 void *tom_softc; /* (struct tom_data *) */
869 struct tom_tunables tt;
870 struct t4_offload_policy *policy;
871 struct rwlock policy_lock;
873 void *iwarp_softc; /* (struct c4iw_dev *) */
874 struct iw_tunables iwt;
875 void *iscsi_ulp_softc; /* (struct cxgbei_data *) */
876 void *ccr_softc; /* (struct ccr_softc *) */
877 struct l2t_data *l2t; /* L2 table */
878 struct smt_data *smt; /* Source MAC Table */
879 struct tid_info tids;
883 int offload_map; /* ports with IFCAP_TOE enabled */
884 int active_ulds; /* ULDs activated on this adapter */
888 char ifp_lockname[16];
890 struct ifnet *ifp; /* tracer ifp */
891 struct ifmedia media;
892 int traceq; /* iq used by all tracers, -1 if none */
893 int tracer_valid; /* bitmap of valid tracers */
894 int tracer_enabled; /* bitmap of enabled tracers */
902 struct adapter_params params;
903 const struct chip_params *chip_params;
904 struct t4_virt_res vres;
916 struct sysctl_ctx_list ctx; /* from adapter_full_init to full_uninit */
921 /* Starving free lists */
922 struct mtx sfl_lock; /* same cache-line as sc_lock? but that's ok */
923 TAILQ_HEAD(, sge_fl) sfl;
924 struct callout sfl_callout;
926 struct mtx reg_lock; /* for indirect register access */
928 struct memwin memwin[NUM_MEMWIN]; /* memory windows */
934 const void *last_op_thr;
941 #define ADAPTER_LOCK(sc) mtx_lock(&(sc)->sc_lock)
942 #define ADAPTER_UNLOCK(sc) mtx_unlock(&(sc)->sc_lock)
943 #define ADAPTER_LOCK_ASSERT_OWNED(sc) mtx_assert(&(sc)->sc_lock, MA_OWNED)
944 #define ADAPTER_LOCK_ASSERT_NOTOWNED(sc) mtx_assert(&(sc)->sc_lock, MA_NOTOWNED)
946 #define ASSERT_SYNCHRONIZED_OP(sc) \
947 KASSERT(IS_BUSY(sc) && \
948 (mtx_owned(&(sc)->sc_lock) || sc->last_op_thr == curthread), \
949 ("%s: operation not synchronized.", __func__))
951 #define PORT_LOCK(pi) mtx_lock(&(pi)->pi_lock)
952 #define PORT_UNLOCK(pi) mtx_unlock(&(pi)->pi_lock)
953 #define PORT_LOCK_ASSERT_OWNED(pi) mtx_assert(&(pi)->pi_lock, MA_OWNED)
954 #define PORT_LOCK_ASSERT_NOTOWNED(pi) mtx_assert(&(pi)->pi_lock, MA_NOTOWNED)
956 #define FL_LOCK(fl) mtx_lock(&(fl)->fl_lock)
957 #define FL_TRYLOCK(fl) mtx_trylock(&(fl)->fl_lock)
958 #define FL_UNLOCK(fl) mtx_unlock(&(fl)->fl_lock)
959 #define FL_LOCK_ASSERT_OWNED(fl) mtx_assert(&(fl)->fl_lock, MA_OWNED)
960 #define FL_LOCK_ASSERT_NOTOWNED(fl) mtx_assert(&(fl)->fl_lock, MA_NOTOWNED)
962 #define RXQ_FL_LOCK(rxq) FL_LOCK(&(rxq)->fl)
963 #define RXQ_FL_UNLOCK(rxq) FL_UNLOCK(&(rxq)->fl)
964 #define RXQ_FL_LOCK_ASSERT_OWNED(rxq) FL_LOCK_ASSERT_OWNED(&(rxq)->fl)
965 #define RXQ_FL_LOCK_ASSERT_NOTOWNED(rxq) FL_LOCK_ASSERT_NOTOWNED(&(rxq)->fl)
967 #define EQ_LOCK(eq) mtx_lock(&(eq)->eq_lock)
968 #define EQ_TRYLOCK(eq) mtx_trylock(&(eq)->eq_lock)
969 #define EQ_UNLOCK(eq) mtx_unlock(&(eq)->eq_lock)
970 #define EQ_LOCK_ASSERT_OWNED(eq) mtx_assert(&(eq)->eq_lock, MA_OWNED)
971 #define EQ_LOCK_ASSERT_NOTOWNED(eq) mtx_assert(&(eq)->eq_lock, MA_NOTOWNED)
973 #define TXQ_LOCK(txq) EQ_LOCK(&(txq)->eq)
974 #define TXQ_TRYLOCK(txq) EQ_TRYLOCK(&(txq)->eq)
975 #define TXQ_UNLOCK(txq) EQ_UNLOCK(&(txq)->eq)
976 #define TXQ_LOCK_ASSERT_OWNED(txq) EQ_LOCK_ASSERT_OWNED(&(txq)->eq)
977 #define TXQ_LOCK_ASSERT_NOTOWNED(txq) EQ_LOCK_ASSERT_NOTOWNED(&(txq)->eq)
979 #define for_each_txq(vi, iter, q) \
980 for (q = &vi->adapter->sge.txq[vi->first_txq], iter = 0; \
981 iter < vi->ntxq; ++iter, ++q)
982 #define for_each_rxq(vi, iter, q) \
983 for (q = &vi->adapter->sge.rxq[vi->first_rxq], iter = 0; \
984 iter < vi->nrxq; ++iter, ++q)
985 #define for_each_ofld_txq(vi, iter, q) \
986 for (q = &vi->adapter->sge.ofld_txq[vi->first_ofld_txq], iter = 0; \
987 iter < vi->nofldtxq; ++iter, ++q)
988 #define for_each_ofld_rxq(vi, iter, q) \
989 for (q = &vi->adapter->sge.ofld_rxq[vi->first_ofld_rxq], iter = 0; \
990 iter < vi->nofldrxq; ++iter, ++q)
991 #define for_each_nm_txq(vi, iter, q) \
992 for (q = &vi->adapter->sge.nm_txq[vi->first_nm_txq], iter = 0; \
993 iter < vi->nnmtxq; ++iter, ++q)
994 #define for_each_nm_rxq(vi, iter, q) \
995 for (q = &vi->adapter->sge.nm_rxq[vi->first_nm_rxq], iter = 0; \
996 iter < vi->nnmrxq; ++iter, ++q)
997 #define for_each_vi(_pi, _iter, _vi) \
998 for ((_vi) = (_pi)->vi, (_iter) = 0; (_iter) < (_pi)->nvi; \
1001 #define IDXINCR(idx, incr, wrap) do { \
1002 idx = wrap - idx > incr ? idx + incr : incr - (wrap - idx); \
1004 #define IDXDIFF(head, tail, wrap) \
1005 ((head) >= (tail) ? (head) - (tail) : (wrap) - (tail) + (head))
1007 /* One for errors, one for firmware events */
1008 #define T4_EXTRA_INTR 2
1010 /* One for firmware events */
1011 #define T4VF_EXTRA_INTR 1
1014 forwarding_intr_to_fwq(struct adapter *sc)
1017 return (sc->intr_count == 1);
1020 static inline uint32_t
1021 t4_read_reg(struct adapter *sc, uint32_t reg)
1024 return bus_space_read_4(sc->bt, sc->bh, reg);
1028 t4_write_reg(struct adapter *sc, uint32_t reg, uint32_t val)
1031 bus_space_write_4(sc->bt, sc->bh, reg, val);
1034 static inline uint64_t
1035 t4_read_reg64(struct adapter *sc, uint32_t reg)
1039 return bus_space_read_8(sc->bt, sc->bh, reg);
1041 return (uint64_t)bus_space_read_4(sc->bt, sc->bh, reg) +
1042 ((uint64_t)bus_space_read_4(sc->bt, sc->bh, reg + 4) << 32);
1048 t4_write_reg64(struct adapter *sc, uint32_t reg, uint64_t val)
1052 bus_space_write_8(sc->bt, sc->bh, reg, val);
1054 bus_space_write_4(sc->bt, sc->bh, reg, val);
1055 bus_space_write_4(sc->bt, sc->bh, reg + 4, val>> 32);
1060 t4_os_pci_read_cfg1(struct adapter *sc, int reg, uint8_t *val)
1063 *val = pci_read_config(sc->dev, reg, 1);
1067 t4_os_pci_write_cfg1(struct adapter *sc, int reg, uint8_t val)
1070 pci_write_config(sc->dev, reg, val, 1);
1074 t4_os_pci_read_cfg2(struct adapter *sc, int reg, uint16_t *val)
1077 *val = pci_read_config(sc->dev, reg, 2);
1081 t4_os_pci_write_cfg2(struct adapter *sc, int reg, uint16_t val)
1084 pci_write_config(sc->dev, reg, val, 2);
1088 t4_os_pci_read_cfg4(struct adapter *sc, int reg, uint32_t *val)
1091 *val = pci_read_config(sc->dev, reg, 4);
1095 t4_os_pci_write_cfg4(struct adapter *sc, int reg, uint32_t val)
1098 pci_write_config(sc->dev, reg, val, 4);
1101 static inline struct port_info *
1102 adap2pinfo(struct adapter *sc, int idx)
1105 return (sc->port[idx]);
1109 t4_os_set_hw_addr(struct port_info *pi, uint8_t hw_addr[])
1112 bcopy(hw_addr, pi->vi[0].hw_addr, ETHER_ADDR_LEN);
1116 tx_resume_threshold(struct sge_eq *eq)
1119 /* not quite the same as qsize / 4, but this will do. */
1120 return (eq->sidx / 4);
1124 t4_use_ldst(struct adapter *sc)
1128 return (sc->flags & FW_OK || !sc->use_bd);
1135 CH_DUMP_MBOX(struct adapter *sc, int mbox, const int reg,
1136 const char *msg, const __be64 *const p, const bool err)
1139 if (!(sc->debug_flags & DF_DUMP_MBOX) && !err)
1142 log(err ? LOG_ERR : LOG_DEBUG,
1143 "%s: mbox %u %s %016llx %016llx %016llx %016llx "
1144 "%016llx %016llx %016llx %016llx\n",
1145 device_get_nameunit(sc->dev), mbox, msg,
1146 (long long)be64_to_cpu(p[0]), (long long)be64_to_cpu(p[1]),
1147 (long long)be64_to_cpu(p[2]), (long long)be64_to_cpu(p[3]),
1148 (long long)be64_to_cpu(p[4]), (long long)be64_to_cpu(p[5]),
1149 (long long)be64_to_cpu(p[6]), (long long)be64_to_cpu(p[7]));
1151 log(err ? LOG_ERR : LOG_DEBUG,
1152 "%s: mbox %u %s %016llx %016llx %016llx %016llx "
1153 "%016llx %016llx %016llx %016llx\n",
1154 device_get_nameunit(sc->dev), mbox, msg,
1155 (long long)t4_read_reg64(sc, reg),
1156 (long long)t4_read_reg64(sc, reg + 8),
1157 (long long)t4_read_reg64(sc, reg + 16),
1158 (long long)t4_read_reg64(sc, reg + 24),
1159 (long long)t4_read_reg64(sc, reg + 32),
1160 (long long)t4_read_reg64(sc, reg + 40),
1161 (long long)t4_read_reg64(sc, reg + 48),
1162 (long long)t4_read_reg64(sc, reg + 56));
1169 extern int t4_intr_types;
1170 extern int t4_tmr_idx;
1171 extern int t4_pktc_idx;
1172 extern unsigned int t4_qsize_rxq;
1173 extern unsigned int t4_qsize_txq;
1174 extern device_method_t cxgbe_methods[];
1176 int t4_os_find_pci_capability(struct adapter *, int);
1177 int t4_os_pci_save_state(struct adapter *);
1178 int t4_os_pci_restore_state(struct adapter *);
1179 void t4_os_portmod_changed(struct port_info *);
1180 void t4_os_link_changed(struct port_info *);
1181 void t4_iterate(void (*)(struct adapter *, void *), void *);
1182 void t4_init_devnames(struct adapter *);
1183 void t4_add_adapter(struct adapter *);
1184 int t4_detach_common(device_t);
1185 int t4_map_bars_0_and_4(struct adapter *);
1186 int t4_map_bar_2(struct adapter *);
1187 int t4_setup_intr_handlers(struct adapter *);
1188 void t4_sysctls(struct adapter *);
1189 int begin_synchronized_op(struct adapter *, struct vi_info *, int, char *);
1190 void doom_vi(struct adapter *, struct vi_info *);
1191 void end_synchronized_op(struct adapter *, int);
1192 int update_mac_settings(struct ifnet *, int);
1193 int adapter_full_init(struct adapter *);
1194 int adapter_full_uninit(struct adapter *);
1195 uint64_t cxgbe_get_counter(struct ifnet *, ift_counter);
1196 int vi_full_init(struct vi_info *);
1197 int vi_full_uninit(struct vi_info *);
1198 void vi_sysctls(struct vi_info *);
1199 void vi_tick(void *);
1200 int rw_via_memwin(struct adapter *, int, uint32_t, uint32_t *, int, int);
1201 int alloc_atid_tab(struct tid_info *, int);
1202 void free_atid_tab(struct tid_info *);
1203 int alloc_atid(struct adapter *, void *);
1204 void *lookup_atid(struct adapter *, int);
1205 void free_atid(struct adapter *, int);
1206 void release_tid(struct adapter *, int, struct sge_wrq *);
1207 int cxgbe_media_change(struct ifnet *);
1208 void cxgbe_media_status(struct ifnet *, struct ifmediareq *);
1209 bool t4_os_dump_cimla(struct adapter *, int, bool);
1210 void t4_os_dump_devlog(struct adapter *);
1216 void t4_aes_getdeckey(void *, const void *, unsigned int);
1217 void t4_copy_partial_hash(int, union authctx *, void *);
1218 void t4_init_gmac_hash(const char *, int, char *);
1219 void t4_init_hmac_digest(struct auth_hash *, u_int, char *, int, char *);
1224 void cxgbe_nm_attach(struct vi_info *);
1225 void cxgbe_nm_detach(struct vi_info *);
1226 void service_nm_rxq(struct sge_nm_rxq *);
1230 void t4_sge_modload(void);
1231 void t4_sge_modunload(void);
1232 uint64_t t4_sge_extfree_refs(void);
1233 void t4_tweak_chip_settings(struct adapter *);
1234 int t4_read_chip_settings(struct adapter *);
1235 int t4_create_dma_tag(struct adapter *);
1236 void t4_sge_sysctls(struct adapter *, struct sysctl_ctx_list *,
1237 struct sysctl_oid_list *);
1238 int t4_destroy_dma_tag(struct adapter *);
1239 int t4_setup_adapter_queues(struct adapter *);
1240 int t4_teardown_adapter_queues(struct adapter *);
1241 int t4_setup_vi_queues(struct vi_info *);
1242 int t4_teardown_vi_queues(struct vi_info *);
1243 void t4_intr_all(void *);
1244 void t4_intr(void *);
1246 void t4_nm_intr(void *);
1247 void t4_vi_intr(void *);
1249 void t4_intr_err(void *);
1250 void t4_intr_evt(void *);
1251 void t4_wrq_tx_locked(struct adapter *, struct sge_wrq *, struct wrqe *);
1252 void t4_update_fl_bufsize(struct ifnet *);
1253 struct mbuf *alloc_wr_mbuf(int, int);
1254 int parse_pkt(struct mbuf **, bool);
1255 void *start_wrq_wr(struct sge_wrq *, int, struct wrq_cookie *);
1256 void commit_wrq_wr(struct sge_wrq *, void *, struct wrq_cookie *);
1257 int tnl_cong(struct port_info *, int);
1258 void t4_register_an_handler(an_handler_t);
1259 void t4_register_fw_msg_handler(int, fw_msg_handler_t);
1260 void t4_register_cpl_handler(int, cpl_handler_t);
1261 void t4_register_shared_cpl_handler(int, cpl_handler_t, int);
1263 int ethofld_transmit(struct ifnet *, struct mbuf *);
1264 void send_etid_flush_wr(struct cxgbe_snd_tag *);
1269 void t4_tracer_modload(void);
1270 void t4_tracer_modunload(void);
1271 void t4_tracer_port_detach(struct adapter *);
1272 int t4_get_tracer(struct adapter *, struct t4_tracer *);
1273 int t4_set_tracer(struct adapter *, struct t4_tracer *);
1274 int t4_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *);
1275 int t5_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *);
1278 int t4_set_sched_class(struct adapter *, struct t4_sched_params *);
1279 int t4_set_sched_queue(struct adapter *, struct t4_sched_queue *);
1280 int t4_init_tx_sched(struct adapter *);
1281 int t4_free_tx_sched(struct adapter *);
1282 void t4_update_tx_sched(struct adapter *);
1283 int t4_reserve_cl_rl_kbps(struct adapter *, int, u_int, int *);
1284 void t4_release_cl_rl(struct adapter *, int, int);
1285 int sysctl_tc(SYSCTL_HANDLER_ARGS);
1286 int sysctl_tc_params(SYSCTL_HANDLER_ARGS);
1288 void t4_init_etid_table(struct adapter *);
1289 void t4_free_etid_table(struct adapter *);
1290 struct cxgbe_snd_tag *lookup_etid(struct adapter *, int);
1291 int cxgbe_snd_tag_alloc(struct ifnet *, union if_snd_tag_alloc_params *,
1292 struct m_snd_tag **);
1293 int cxgbe_snd_tag_modify(struct m_snd_tag *, union if_snd_tag_modify_params *);
1294 int cxgbe_snd_tag_query(struct m_snd_tag *, union if_snd_tag_query_params *);
1295 void cxgbe_snd_tag_free(struct m_snd_tag *);
1296 void cxgbe_snd_tag_free_locked(struct cxgbe_snd_tag *);
1300 int get_filter_mode(struct adapter *, uint32_t *);
1301 int set_filter_mode(struct adapter *, uint32_t);
1302 int get_filter(struct adapter *, struct t4_filter *);
1303 int set_filter(struct adapter *, struct t4_filter *);
1304 int del_filter(struct adapter *, struct t4_filter *);
1305 int t4_filter_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1306 int t4_hashfilter_ao_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1307 int t4_hashfilter_tcb_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1308 int t4_del_hashfilter_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1309 void free_hftid_hash(struct tid_info *);
1311 static inline struct wrqe *
1312 alloc_wrqe(int wr_len, struct sge_wrq *wrq)
1314 int len = offsetof(struct wrqe, wr) + wr_len;
1317 wr = malloc(len, M_CXGBE, M_NOWAIT);
1318 if (__predict_false(wr == NULL))
1320 wr->wr_len = wr_len;
1325 static inline void *
1326 wrtod(struct wrqe *wr)
1328 return (&wr->wr[0]);
1332 free_wrqe(struct wrqe *wr)
1338 t4_wrq_tx(struct adapter *sc, struct wrqe *wr)
1340 struct sge_wrq *wrq = wr->wrq;
1343 t4_wrq_tx_locked(sc, wrq, wr);
1348 read_via_memwin(struct adapter *sc, int idx, uint32_t addr, uint32_t *val,
1352 return (rw_via_memwin(sc, idx, addr, val, len, 0));
1356 write_via_memwin(struct adapter *sc, int idx, uint32_t addr,
1357 const uint32_t *val, int len)
1360 return (rw_via_memwin(sc, idx, addr, (void *)(uintptr_t)val, len, 1));
1363 /* Number of len16 -> number of descriptors */
1365 tx_len16_to_desc(int len16)
1368 return (howmany(len16, EQ_ESIZE / 16));