1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2012, 2015 Chelsio Communications, Inc. 5 * All rights reserved. 6 * Written by: Navdeep Parhar <np@FreeBSD.org> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 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. 16 * 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 27 * SUCH DAMAGE. 28 * 29 */ 30 31 #ifndef __T4_TOM_H__ 32 #define __T4_TOM_H__ 33 #include <sys/vmem.h> 34 #include "common/t4_hw.h" 35 #include "common/t4_msg.h" 36 #include "tom/t4_tls.h" 37 38 #define LISTEN_HASH_SIZE 32 39 40 /* 41 * Min receive window. We want it to be large enough to accommodate receive 42 * coalescing, handle jumbo frames, and not trigger sender SWS avoidance. 43 */ 44 #define MIN_RCV_WND (24 * 1024U) 45 46 /* 47 * Max receive window supported by HW in bytes. Only a small part of it can 48 * be set through option0, the rest needs to be set through RX_DATA_ACK. 49 */ 50 #define MAX_RCV_WND ((1U << 27) - 1) 51 52 #define DDP_RSVD_WIN (16 * 1024U) 53 #define SB_DDP_INDICATE SB_IN_TOE /* soreceive must respond to indicate */ 54 55 #define USE_DDP_RX_FLOW_CONTROL 56 57 #define PPOD_SZ(n) ((n) * sizeof(struct pagepod)) 58 #define PPOD_SIZE (PPOD_SZ(1)) 59 60 /* TOE PCB flags */ 61 enum { 62 TPF_ATTACHED = (1 << 0), /* a tcpcb refers to this toepcb */ 63 TPF_FLOWC_WR_SENT = (1 << 1), /* firmware flow context WR sent */ 64 TPF_TX_DATA_SENT = (1 << 2), /* some data sent */ 65 TPF_TX_SUSPENDED = (1 << 3), /* tx suspended for lack of resources */ 66 TPF_SEND_FIN = (1 << 4), /* send FIN after all pending data */ 67 TPF_FIN_SENT = (1 << 5), /* FIN has been sent */ 68 TPF_ABORT_SHUTDOWN = (1 << 6), /* connection abort is in progress */ 69 TPF_CPL_PENDING = (1 << 7), /* haven't received the last CPL */ 70 TPF_SYNQE = (1 << 8), /* synq_entry, not really a toepcb */ 71 TPF_SYNQE_EXPANDED = (1 << 9), /* toepcb ready, tid context updated */ 72 TPF_TLS_STARTING = (1 << 10), /* starting TLS receive */ 73 TPF_KTLS = (1 << 11), /* send TLS records from KTLS */ 74 TPF_INITIALIZED = (1 << 12), /* init_toepcb has been called */ 75 TPF_TLS_RECEIVE = (1 << 13), /* should receive TLS records */ 76 TPF_TLS_RX_QUIESCING = (1 << 14), /* RX quiesced for TLS RX startup */ 77 TPF_TLS_RX_QUIESCED = (1 << 15), /* RX quiesced for TLS RX startup */ 78 TPF_WAITING_FOR_FINAL = (1<< 16), /* waiting for wakeup on final CPL */ 79 TPF_IN_TOEP_LIST = (1 << 17), /* toep is in the main td->toep_list */ 80 }; 81 82 enum { 83 DDP_OK = (1 << 0), /* OK to turn on DDP */ 84 DDP_SC_REQ = (1 << 1), /* state change (on/off) requested */ 85 DDP_ON = (1 << 2), /* DDP is turned on */ 86 DDP_BUF0_ACTIVE = (1 << 3), /* buffer 0 in use (not invalidated) */ 87 DDP_BUF1_ACTIVE = (1 << 4), /* buffer 1 in use (not invalidated) */ 88 DDP_TASK_ACTIVE = (1 << 5), /* requeue task is queued / running */ 89 DDP_DEAD = (1 << 6), /* toepcb is shutting down */ 90 DDP_AIO = (1 << 7), /* DDP used for AIO, not so_rcv */ 91 DDP_RCVBUF = (1 << 8), /* DDP used for so_rcv, not AIO */ 92 }; 93 94 struct bio; 95 struct ctl_sg_entry; 96 struct sockopt; 97 struct offload_settings; 98 99 /* 100 * Connection parameters for an offloaded connection. These are mostly (but not 101 * all) hardware TOE parameters. 102 */ 103 struct conn_params { 104 int8_t rx_coalesce; 105 int8_t cong_algo; 106 int8_t tc_idx; 107 int8_t tstamp; 108 int8_t sack; 109 int8_t nagle; 110 int8_t keepalive; 111 int8_t wscale; 112 int8_t ecn; 113 int8_t mtu_idx; 114 int8_t ulp_mode; 115 int8_t tx_align; 116 int16_t txq_idx; /* ofld_txq = &sc->sge.ofld_txq[txq_idx] */ 117 int16_t rxq_idx; /* ofld_rxq = &sc->sge.ofld_rxq[rxq_idx] */ 118 int16_t l2t_idx; 119 uint16_t emss; 120 uint16_t opt0_bufsize; 121 u_int sndbuf; /* controls TP tx pages */ 122 }; 123 124 struct ofld_tx_sdesc { 125 uint32_t plen; /* payload length */ 126 uint8_t tx_credits; /* firmware tx credits (unit is 16B) */ 127 }; 128 129 struct ppod_region { 130 u_int pr_start; 131 u_int pr_len; 132 u_int pr_page_shift[4]; 133 uint32_t pr_tag_mask; /* hardware tagmask for this region. */ 134 uint32_t pr_invalid_bit; /* OR with this to invalidate tag. */ 135 uint32_t pr_alias_mask; /* AND with tag to get alias bits. */ 136 u_int pr_alias_shift; /* shift this much for first alias bit. */ 137 vmem_t *pr_arena; 138 }; 139 140 struct ppod_reservation { 141 struct ppod_region *prsv_pr; 142 uint32_t prsv_tag; /* Full tag: pgsz, alias, tag, color */ 143 u_int prsv_nppods; 144 }; 145 146 struct pageset { 147 TAILQ_ENTRY(pageset) link; 148 vm_page_t *pages; 149 int npages; 150 int flags; 151 int offset; /* offset in first page */ 152 int len; 153 struct ppod_reservation prsv; 154 struct vmspace *vm; 155 vm_offset_t start; 156 u_int vm_timestamp; 157 }; 158 159 TAILQ_HEAD(pagesetq, pageset); 160 161 #define PS_PPODS_WRITTEN 0x0001 /* Page pods written to the card. */ 162 163 struct ddp_rcv_buffer { 164 TAILQ_ENTRY(ddp_rcv_buffer) link; 165 void *buf; 166 struct ppod_reservation prsv; 167 size_t len; 168 u_int refs; 169 }; 170 171 struct ddp_buffer { 172 union { 173 /* DDP_AIO fields */ 174 struct { 175 struct pageset *ps; 176 struct kaiocb *job; 177 int cancel_pending; 178 }; 179 180 /* DDP_RCVBUF fields */ 181 struct { 182 struct ddp_rcv_buffer *drb; 183 uint32_t placed; 184 }; 185 }; 186 }; 187 188 /* 189 * (a) - DDP_AIO only 190 * (r) - DDP_RCVBUF only 191 */ 192 struct ddp_pcb { 193 struct mtx lock; 194 u_int flags; 195 int active_id; /* the currently active DDP buffer */ 196 struct ddp_buffer db[2]; 197 union { 198 TAILQ_HEAD(, pageset) cached_pagesets; /* (a) */ 199 TAILQ_HEAD(, ddp_rcv_buffer) cached_buffers; /* (r) */ 200 }; 201 TAILQ_HEAD(, kaiocb) aiojobq; /* (a) */ 202 u_int waiting_count; /* (a) */ 203 u_int active_count; 204 u_int cached_count; 205 struct task requeue_task; 206 struct kaiocb *queueing; /* (a) */ 207 struct mtx cache_lock; /* (r) */ 208 }; 209 210 struct toepcb { 211 struct tom_data *td; 212 struct inpcb *inp; /* backpointer to host stack's PCB */ 213 u_int flags; /* miscellaneous flags */ 214 TAILQ_ENTRY(toepcb) link; /* toep_list or stranded_toep_list */ 215 int refcount; 216 struct vnet *vnet; 217 struct vi_info *vi; /* virtual interface */ 218 struct sge_ofld_txq *ofld_txq; 219 struct sge_ofld_rxq *ofld_rxq; 220 struct sge_wrq *ctrlq; 221 struct l2t_entry *l2te; /* L2 table entry used by this connection */ 222 struct clip_entry *ce; /* CLIP table entry used by this tid */ 223 int tid; /* Connection identifier */ 224 int incarnation; /* sc->incarnation when toepcb was allocated */ 225 226 /* tx credit handling */ 227 u_int tx_total; /* total tx WR credits (in 16B units) */ 228 u_int tx_credits; /* tx WR credits (in 16B units) available */ 229 u_int tx_nocompl; /* tx WR credits since last compl request */ 230 u_int plen_nocompl; /* payload since last compl request */ 231 232 struct conn_params params; 233 234 void *ulpcb; 235 void *ulpcb2; 236 struct mbufq ulp_pduq; /* PDUs waiting to be sent out. */ 237 struct mbufq ulp_pdu_reclaimq; 238 239 struct ddp_pcb ddp; 240 struct tls_ofld_info tls; 241 242 TAILQ_HEAD(, kaiocb) aiotx_jobq; 243 struct task aiotx_task; 244 struct socket *aiotx_so; 245 246 /* Tx software descriptor */ 247 uint8_t txsd_total; 248 uint8_t txsd_pidx; 249 uint8_t txsd_cidx; 250 uint8_t txsd_avail; 251 struct ofld_tx_sdesc txsd[]; 252 }; 253 254 static inline int 255 ulp_mode(struct toepcb *toep) 256 { 257 258 return (toep->params.ulp_mode); 259 } 260 261 #define DDP_LOCK(toep) mtx_lock(&(toep)->ddp.lock) 262 #define DDP_UNLOCK(toep) mtx_unlock(&(toep)->ddp.lock) 263 #define DDP_ASSERT_LOCKED(toep) mtx_assert(&(toep)->ddp.lock, MA_OWNED) 264 #define DDP_CACHE_LOCK(toep) mtx_lock(&(toep)->ddp.cache_lock) 265 #define DDP_CACHE_UNLOCK(toep) mtx_unlock(&(toep)->ddp.cache_lock) 266 267 /* 268 * Compressed state for embryonic connections for a listener. 269 */ 270 struct synq_entry { 271 struct listen_ctx *lctx; /* backpointer to listen ctx */ 272 struct mbuf *syn; 273 int flags; /* same as toepcb's tp_flags */ 274 TAILQ_ENTRY(synq_entry) link; /* synqe_list */ 275 volatile int ok_to_respond; 276 volatile u_int refcnt; 277 int tid; 278 uint32_t iss; 279 uint32_t irs; 280 uint32_t ts; 281 uint32_t rss_hash; 282 __be16 tcp_opt; /* from cpl_pass_establish */ 283 int incarnation; 284 struct toepcb *toep; 285 286 struct conn_params params; 287 }; 288 289 /* listen_ctx flags */ 290 #define LCTX_RPL_PENDING 1 /* waiting for a CPL_PASS_OPEN_RPL */ 291 #define LCTX_SETUP_IN_HW 2 /* stid entry is setup in hardware */ 292 293 struct listen_ctx { 294 LIST_ENTRY(listen_ctx) link; /* listen hash linkage */ 295 volatile int refcount; 296 int stid; 297 struct stid_region stid_region; 298 int flags; 299 struct inpcb *inp; /* listening socket's inp */ 300 struct vnet *vnet; 301 struct sge_wrq *ctrlq; 302 struct sge_ofld_rxq *ofld_rxq; 303 struct clip_entry *ce; 304 }; 305 306 /* tcb_histent flags */ 307 #define TE_RPL_PENDING 1 308 #define TE_ACTIVE 2 309 310 /* bits in one 8b tcb_histent sample. */ 311 #define TS_RTO (1 << 0) 312 #define TS_DUPACKS (1 << 1) 313 #define TS_FASTREXMT (1 << 2) 314 #define TS_SND_BACKLOGGED (1 << 3) 315 #define TS_CWND_LIMITED (1 << 4) 316 #define TS_ECN_ECE (1 << 5) 317 #define TS_ECN_CWR (1 << 6) 318 #define TS_RESERVED (1 << 7) /* Unused. */ 319 320 struct tcb_histent { 321 struct mtx te_lock; 322 struct callout te_callout; 323 uint64_t te_tcb[TCB_SIZE / sizeof(uint64_t)]; 324 struct adapter *te_adapter; 325 u_int te_flags; 326 u_int te_tid; 327 uint8_t te_pidx; 328 uint8_t te_sample[100]; 329 }; 330 331 struct tom_data { 332 struct toedev tod; 333 334 /* toepcb's associated with this TOE device */ 335 struct mtx toep_list_lock; 336 TAILQ_HEAD(, toepcb) toep_list; 337 TAILQ_HEAD(, synq_entry) synqe_list; 338 /* List of tids left stranded because hw stopped abruptly. */ 339 TAILQ_HEAD(, toepcb) stranded_atids; 340 TAILQ_HEAD(, toepcb) stranded_tids; 341 TAILQ_HEAD(, synq_entry) stranded_synqe; 342 struct task cleanup_stranded_tids; 343 344 struct mtx lctx_hash_lock; 345 LIST_HEAD(, listen_ctx) *listen_hash; 346 u_long listen_mask; 347 int lctx_count; /* # of lctx in the hash table */ 348 349 struct ppod_region pr; 350 351 struct rwlock tcb_history_lock __aligned(CACHE_LINE_SIZE); 352 struct tcb_histent **tcb_history; 353 int dupack_threshold; 354 355 /* WRs that will not be sent to the chip because L2 resolution failed */ 356 struct mtx unsent_wr_lock; 357 STAILQ_HEAD(, wrqe) unsent_wr_list; 358 struct task reclaim_wr_resources; 359 }; 360 361 static inline struct tom_data * 362 tod_td(struct toedev *tod) 363 { 364 365 return (__containerof(tod, struct tom_data, tod)); 366 } 367 368 static inline struct adapter * 369 td_adapter(struct tom_data *td) 370 { 371 372 return (td->tod.tod_softc); 373 } 374 375 static inline void 376 set_mbuf_raw_wr(struct mbuf *m, bool raw) 377 { 378 379 M_ASSERTPKTHDR(m); 380 m->m_pkthdr.PH_per.eight[6] = raw; 381 } 382 383 static inline bool 384 mbuf_raw_wr(struct mbuf *m) 385 { 386 387 M_ASSERTPKTHDR(m); 388 return (m->m_pkthdr.PH_per.eight[6]); 389 } 390 391 static inline void 392 set_mbuf_ulp_submode(struct mbuf *m, uint8_t ulp_submode) 393 { 394 395 M_ASSERTPKTHDR(m); 396 m->m_pkthdr.PH_per.eight[0] = ulp_submode; 397 } 398 399 static inline uint8_t 400 mbuf_ulp_submode(struct mbuf *m) 401 { 402 403 M_ASSERTPKTHDR(m); 404 return (m->m_pkthdr.PH_per.eight[0]); 405 } 406 407 static inline void 408 set_mbuf_iscsi_iso(struct mbuf *m, bool iso) 409 { 410 411 M_ASSERTPKTHDR(m); 412 m->m_pkthdr.PH_per.eight[1] = iso; 413 } 414 415 static inline bool 416 mbuf_iscsi_iso(struct mbuf *m) 417 { 418 419 M_ASSERTPKTHDR(m); 420 return (m->m_pkthdr.PH_per.eight[1]); 421 } 422 423 /* Flags for iSCSI segmentation offload. */ 424 #define CXGBE_ISO_TYPE(flags) ((flags) & 0x3) 425 #define CXGBE_ISO_F 0x4 426 427 static inline void 428 set_mbuf_iscsi_iso_flags(struct mbuf *m, uint8_t flags) 429 { 430 431 M_ASSERTPKTHDR(m); 432 m->m_pkthdr.PH_per.eight[2] = flags; 433 } 434 435 static inline uint8_t 436 mbuf_iscsi_iso_flags(struct mbuf *m) 437 { 438 439 M_ASSERTPKTHDR(m); 440 return (m->m_pkthdr.PH_per.eight[2]); 441 } 442 443 static inline void 444 set_mbuf_iscsi_iso_mss(struct mbuf *m, uint16_t mss) 445 { 446 447 M_ASSERTPKTHDR(m); 448 m->m_pkthdr.PH_per.sixteen[2] = mss; 449 } 450 451 static inline uint16_t 452 mbuf_iscsi_iso_mss(struct mbuf *m) 453 { 454 455 M_ASSERTPKTHDR(m); 456 return (m->m_pkthdr.PH_per.sixteen[2]); 457 } 458 459 /* t4_tom.c */ 460 struct toepcb *alloc_toepcb(struct vi_info *, int); 461 int init_toepcb(struct vi_info *, struct toepcb *); 462 struct toepcb *hold_toepcb(struct toepcb *); 463 void free_toepcb(struct toepcb *); 464 void offload_socket(struct socket *, struct toepcb *); 465 void restore_so_proto(struct socket *, bool); 466 void undo_offload_socket(struct socket *); 467 void final_cpl_received(struct toepcb *); 468 void insert_tid(struct adapter *, int, void *, int); 469 void *lookup_tid(struct adapter *, int); 470 void update_tid(struct adapter *, int, void *); 471 void remove_tid(struct adapter *, int, int); 472 u_long select_rcv_wnd(struct socket *); 473 int select_rcv_wscale(void); 474 void init_conn_params(struct vi_info *, struct offload_settings *, 475 struct in_conninfo *, struct socket *, const struct tcp_options *, int16_t, 476 struct conn_params *cp); 477 __be64 calc_options0(struct vi_info *, struct conn_params *); 478 __be32 calc_options2(struct vi_info *, struct conn_params *); 479 uint64_t select_ntuple(struct vi_info *, struct l2t_entry *); 480 int negative_advice(int); 481 int add_tid_to_history(struct adapter *, u_int); 482 void t4_pcb_detach(struct toedev *, struct tcpcb *); 483 484 /* t4_connect.c */ 485 void t4_init_connect_cpl_handlers(void); 486 void t4_uninit_connect_cpl_handlers(void); 487 int t4_connect(struct toedev *, struct socket *, struct nhop_object *, 488 struct sockaddr *); 489 void act_open_failure_cleanup(struct adapter *, struct toepcb *, u_int); 490 491 /* t4_listen.c */ 492 void t4_init_listen_cpl_handlers(void); 493 void t4_uninit_listen_cpl_handlers(void); 494 int t4_listen_start(struct toedev *, struct tcpcb *); 495 int t4_listen_stop(struct toedev *, struct tcpcb *); 496 void t4_syncache_added(struct toedev *, void *); 497 void t4_syncache_removed(struct toedev *, void *); 498 int t4_syncache_respond(struct toedev *, void *, struct mbuf *); 499 int do_abort_req_synqe(struct sge_iq *, const struct rss_header *, 500 struct mbuf *); 501 int do_abort_rpl_synqe(struct sge_iq *, const struct rss_header *, 502 struct mbuf *); 503 void t4_offload_socket(struct toedev *, void *, struct socket *); 504 void synack_failure_cleanup(struct adapter *, struct synq_entry *); 505 int alloc_stid_tab(struct adapter *); 506 void free_stid_tab(struct adapter *); 507 void stop_stid_tab(struct adapter *); 508 void restart_stid_tab(struct adapter *); 509 510 /* t4_cpl_io.c */ 511 void aiotx_init_toep(struct toepcb *); 512 int t4_aio_queue_aiotx(struct socket *, struct kaiocb *); 513 void t4_init_cpl_io_handlers(void); 514 void t4_uninit_cpl_io_handlers(void); 515 void send_abort_rpl(struct adapter *, struct sge_ofld_txq *, int , int); 516 void send_flowc_wr(struct toepcb *, struct tcpcb *); 517 void send_reset(struct adapter *, struct toepcb *, uint32_t); 518 int send_rx_credits(struct adapter *, struct toepcb *, int); 519 void make_established(struct toepcb *, uint32_t, uint32_t, uint16_t); 520 int t4_close_conn(struct adapter *, struct toepcb *); 521 void t4_rcvd(struct toedev *, struct tcpcb *); 522 void t4_rcvd_locked(struct toedev *, struct tcpcb *); 523 int t4_tod_output(struct toedev *, struct tcpcb *); 524 int t4_send_fin(struct toedev *, struct tcpcb *); 525 int t4_send_rst(struct toedev *, struct tcpcb *); 526 void t4_set_tcb_field(struct adapter *, struct sge_wrq *, struct toepcb *, 527 uint16_t, uint64_t, uint64_t, int, int); 528 void t4_push_frames(struct adapter *, struct toepcb *, int); 529 void t4_push_pdus(struct adapter *, struct toepcb *, int); 530 531 /* t4_ddp.c */ 532 int t4_init_ppod_region(struct ppod_region *, struct t4_range *, u_int, 533 const char *); 534 void t4_free_ppod_region(struct ppod_region *); 535 int t4_alloc_page_pods_for_ps(struct ppod_region *, struct pageset *); 536 int t4_alloc_page_pods_for_bio(struct ppod_region *, struct bio *, 537 struct ppod_reservation *); 538 int t4_alloc_page_pods_for_buf(struct ppod_region *, vm_offset_t, int, 539 struct ppod_reservation *); 540 int t4_alloc_page_pods_for_sgl(struct ppod_region *, struct ctl_sg_entry *, int, 541 struct ppod_reservation *); 542 int t4_write_page_pods_for_ps(struct adapter *, struct sge_wrq *, int, 543 struct pageset *); 544 int t4_write_page_pods_for_bio(struct adapter *, struct toepcb *, 545 struct ppod_reservation *, struct bio *, struct mbufq *); 546 int t4_write_page_pods_for_buf(struct adapter *, struct toepcb *, 547 struct ppod_reservation *, vm_offset_t, int, struct mbufq *); 548 int t4_write_page_pods_for_sgl(struct adapter *, struct toepcb *, 549 struct ppod_reservation *, struct ctl_sg_entry *, int, int, struct mbufq *); 550 void t4_free_page_pods(struct ppod_reservation *); 551 int t4_aio_queue_ddp(struct socket *, struct kaiocb *); 552 int t4_enable_ddp_rcv(struct socket *, struct toepcb *); 553 void t4_ddp_mod_load(void); 554 void t4_ddp_mod_unload(void); 555 void ddp_assert_empty(struct toepcb *); 556 void ddp_uninit_toep(struct toepcb *); 557 void ddp_queue_toep(struct toepcb *); 558 void release_ddp_resources(struct toepcb *toep); 559 void handle_ddp_close(struct toepcb *, struct tcpcb *, uint32_t); 560 void handle_ddp_indicate(struct toepcb *); 561 void insert_ddp_data(struct toepcb *, uint32_t); 562 const struct offload_settings *lookup_offload_policy(struct adapter *, int, 563 struct mbuf *, uint16_t, struct inpcb *); 564 565 /* t4_tls.c */ 566 bool can_tls_offload(struct adapter *); 567 void do_rx_data_tls(const struct cpl_rx_data *, struct toepcb *, struct mbuf *); 568 void t4_push_ktls(struct adapter *, struct toepcb *, int); 569 void tls_received_starting_data(struct adapter *, struct toepcb *, 570 struct sockbuf *, int); 571 void t4_tls_mod_load(void); 572 void t4_tls_mod_unload(void); 573 void tls_init_toep(struct toepcb *); 574 int tls_tx_key(struct toepcb *); 575 void tls_uninit_toep(struct toepcb *); 576 int tls_alloc_ktls(struct toepcb *, struct ktls_session *, int); 577 578 #endif 579