1/*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 4 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 5 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. 6 * Copyright (c) 2004 Voltaire, Inc. All rights reserved. 7 * 8 * This software is available to you under a choice of one of two 9 * licenses. You may choose to be licensed under the terms of the GNU 10 * General Public License (GPL) Version 2, available from the file 11 * COPYING in the main directory of this source tree, or the 12 * OpenIB.org BSD license below: 13 * 14 * Redistribution and use in source and binary forms, with or 15 * without modification, are permitted provided that the following 16 * conditions are met: 17 * 18 * - Redistributions of source code must retain the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer. 21 * 22 * - Redistributions in binary form must reproduce the above 23 * copyright notice, this list of conditions and the following 24 * disclaimer in the documentation and/or other materials 25 * provided with the distribution. 26 * 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 34 * SOFTWARE. 35 */ 36 37#ifndef _IPOIB_H 38#define _IPOIB_H 39 40#define LINUXKPI_PARAM_PREFIX ipoib_ 41 42#include "opt_inet.h" 43#include "opt_inet6.h" 44#include "opt_ofed.h" 45 46#include <sys/param.h> 47#include <sys/systm.h> 48#include <sys/kernel.h> 49#include <sys/lock.h> 50#include <sys/malloc.h> 51#include <sys/mbuf.h> 52#include <sys/random.h> 53#include <sys/rwlock.h> 54#include <sys/socket.h> 55#include <sys/sockio.h> 56#include <sys/sysctl.h> 57 58#include <net/if.h> 59#include <net/if_var.h> 60#include <net/if_arp.h> 61#include <net/netisr.h> 62#include <net/route.h> 63#include <net/if_llc.h> 64#include <net/if_dl.h> 65#include <net/if_types.h> 66#include <net/bpf.h> 67#include <net/if_llatbl.h> 68#include <net/vnet.h> 69 70#if defined(INET) || defined(INET6) 71#include <netinet/in.h> 72#include <netinet/in_var.h> 73#include <netinet/if_ether.h> 74#include <netinet/ip_var.h> 75#endif 76#ifdef INET6 77#include <netinet6/nd6.h> 78#endif 79 80#include <security/mac/mac_framework.h> 81 82#include <linux/list.h> 83 84#include <linux/workqueue.h> 85#include <linux/kref.h> 86#include <linux/mutex.h> 87#include <linux/rbtree.h> 88 89#include <asm/atomic.h> 90 91#include <rdma/ib_verbs.h> 92#include <rdma/ib_pack.h> 93#include <rdma/ib_sa.h> 94 95/* constants */ 96 97#define INFINIBAND_ALEN 20 /* Octets in IPoIB HW addr */ 98 99#ifdef IPOIB_CM 100#define CONFIG_INFINIBAND_IPOIB_CM 101#endif 102 103#ifdef IPOIB_DEBUG 104#define CONFIG_INFINIBAND_IPOIB_DEBUG 105#define CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 106#endif 107 108enum ipoib_flush_level { 109 IPOIB_FLUSH_LIGHT, 110 IPOIB_FLUSH_NORMAL, 111 IPOIB_FLUSH_HEAVY 112}; 113 114enum { 115 IPOIB_ENCAP_LEN = 4, 116 IPOIB_HEADER_LEN = IPOIB_ENCAP_LEN + INFINIBAND_ALEN, 117 IPOIB_UD_MAX_MTU = 4 * 1024, 118 IPOIB_UD_RX_SG = 2, /* packet header and one cluster */ 119 IPOIB_UD_TX_SG = (IPOIB_UD_MAX_MTU / MCLBYTES) + 2, 120 IPOIB_CM_MAX_MTU = (64 * 1024), 121 IPOIB_CM_TX_SG = (IPOIB_CM_MAX_MTU / MCLBYTES) + 2, 122 IPOIB_CM_RX_SG = (IPOIB_CM_MAX_MTU / MCLBYTES) + 2, 123 IPOIB_RX_RING_SIZE = 256, 124 IPOIB_TX_RING_SIZE = 128, 125 IPOIB_MAX_RX_SG = MAX(IPOIB_CM_RX_SG, IPOIB_UD_RX_SG), 126 IPOIB_MAX_TX_SG = MAX(IPOIB_CM_TX_SG, IPOIB_UD_TX_SG), 127 IPOIB_MAX_QUEUE_SIZE = 8192, 128 IPOIB_MIN_QUEUE_SIZE = 2, 129 IPOIB_CM_MAX_CONN_QP = 4096, 130 131 IPOIB_NUM_WC = 4, 132 133 IPOIB_MAX_PATH_REC_QUEUE = 16, 134 IPOIB_MAX_MCAST_QUEUE = 16, 135 136 IPOIB_FLAG_OPER_UP = 0, 137 IPOIB_FLAG_INITIALIZED = 1, 138 IPOIB_FLAG_ADMIN_UP = 2, 139 IPOIB_PKEY_ASSIGNED = 3, 140 IPOIB_PKEY_STOP = 4, 141 IPOIB_FLAG_SUBINTERFACE = 5, 142 IPOIB_MCAST_RUN = 6, 143 IPOIB_STOP_REAPER = 7, 144 IPOIB_FLAG_UMCAST = 10, 145 IPOIB_FLAG_CSUM = 11, 146 147 IPOIB_MAX_BACKOFF_SECONDS = 16, 148 149 IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */ 150 IPOIB_MCAST_FLAG_SENDONLY = 1, 151 IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */ 152 IPOIB_MCAST_FLAG_ATTACHED = 3, 153 154 IPOIB_MAX_LRO_DESCRIPTORS = 8, 155 IPOIB_LRO_MAX_AGGR = 64, 156 157 MAX_SEND_CQE = 16, 158 IPOIB_CM_COPYBREAK = 256, 159}; 160 161#define IPOIB_OP_RECV (1ul << 31) 162#ifdef CONFIG_INFINIBAND_IPOIB_CM 163#define IPOIB_OP_CM (1ul << 30) 164#else 165#define IPOIB_OP_CM (0) 166#endif 167 168/* structs */ 169 170struct ipoib_header { 171 u8 hwaddr[INFINIBAND_ALEN]; 172 __be16 proto; 173 u16 reserved; 174}; 175 176struct ipoib_pseudoheader { 177 u8 hwaddr[INFINIBAND_ALEN]; 178}; 179 180/* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ 181struct ipoib_mcast { 182 struct ib_sa_mcmember_rec mcmember; 183 struct ib_sa_multicast *mc; 184 struct ipoib_ah *ah; 185 186 struct rb_node rb_node; 187 struct list_head list; 188 189 unsigned long created; 190 unsigned long backoff; 191 192 unsigned long flags; 193 unsigned char logcount; 194 195 struct ifqueue pkt_queue; 196 197 struct ipoib_dev_priv *priv; 198}; 199 200struct ipoib_cm_rx_buf { 201 struct mbuf *mb; 202 u64 mapping[IPOIB_CM_RX_SG]; 203}; 204 205struct ipoib_cm_tx_buf { 206 struct mbuf *mb; 207 u64 mapping[IPOIB_CM_TX_SG]; 208}; 209 210struct ipoib_rx_buf { 211 struct mbuf *mb; 212 u64 mapping[IPOIB_UD_RX_SG]; 213}; 214 215struct ipoib_tx_buf { 216 struct mbuf *mb; 217 u64 mapping[IPOIB_UD_TX_SG]; 218}; 219 220struct ib_cm_id; 221 222struct ipoib_cm_data { 223 __be32 qpn; /* High byte MUST be ignored on receive */ 224 __be32 mtu; 225}; 226 227/* 228 * Quoting 10.3.1 Queue Pair and EE Context States: 229 * 230 * Note, for QPs that are associated with an SRQ, the Consumer should take the 231 * QP through the Error State before invoking a Destroy QP or a Modify QP to the 232 * Reset State. The Consumer may invoke the Destroy QP without first performing 233 * a Modify QP to the Error State and waiting for the Affiliated Asynchronous 234 * Last WQE Reached Event. However, if the Consumer does not wait for the 235 * Affiliated Asynchronous Last WQE Reached Event, then WQE and Data Segment 236 * leakage may occur. Therefore, it is good programming practice to tear down a 237 * QP that is associated with an SRQ by using the following process: 238 * 239 * - Put the QP in the Error State 240 * - Wait for the Affiliated Asynchronous Last WQE Reached Event; 241 * - either: 242 * drain the CQ by invoking the Poll CQ verb and either wait for CQ 243 * to be empty or the number of Poll CQ operations has exceeded 244 * CQ capacity size; 245 * - or 246 * post another WR that completes on the same CQ and wait for this 247 * WR to return as a WC; 248 * - and then invoke a Destroy QP or Reset QP. 249 * 250 * We use the second option and wait for a completion on the 251 * same CQ before destroying QPs attached to our SRQ. 252 */ 253 254enum ipoib_cm_state { 255 IPOIB_CM_RX_LIVE, 256 IPOIB_CM_RX_ERROR, /* Ignored by stale task */ 257 IPOIB_CM_RX_FLUSH /* Last WQE Reached event observed */ 258}; 259 260struct ipoib_cm_rx { 261 struct ib_cm_id *id; 262 struct ib_qp *qp; 263 struct ipoib_cm_rx_buf *rx_ring; 264 struct list_head list; 265 struct ipoib_dev_priv *priv; 266 unsigned long jiffies; 267 enum ipoib_cm_state state; 268 int recv_count; 269}; 270 271struct ipoib_cm_tx { 272 struct ib_cm_id *id; 273 struct ib_qp *qp; 274 struct list_head list; 275 struct ipoib_dev_priv *priv; 276 struct ipoib_path *path; 277 struct ipoib_cm_tx_buf *tx_ring; 278 unsigned tx_head; 279 unsigned tx_tail; 280 unsigned long flags; 281 u32 mtu; /* remote specified mtu, with grh. */ 282}; 283 284struct ipoib_cm_dev_priv { 285 struct ib_srq *srq; 286 struct ipoib_cm_rx_buf *srq_ring; 287 struct ib_cm_id *id; 288 struct list_head passive_ids; /* state: LIVE */ 289 struct list_head rx_error_list; /* state: ERROR */ 290 struct list_head rx_flush_list; /* state: FLUSH, drain not started */ 291 struct list_head rx_drain_list; /* state: FLUSH, drain started */ 292 struct list_head rx_reap_list; /* state: FLUSH, drain done */ 293 struct work_struct start_task; 294 struct work_struct reap_task; 295 struct work_struct mb_task; 296 struct work_struct rx_reap_task; 297 struct delayed_work stale_task; 298 struct ifqueue mb_queue; 299 struct list_head start_list; 300 struct list_head reap_list; 301 struct ib_sge rx_sge[IPOIB_CM_RX_SG]; 302 struct ib_recv_wr rx_wr; 303 int nonsrq_conn_qp; 304 int max_cm_mtu; /* Actual buf size. */ 305 int num_frags; 306}; 307 308struct ipoib_ethtool_st { 309 u16 coalesce_usecs; 310 u16 max_coalesced_frames; 311}; 312 313/* 314 * Device private locking: network stack tx_lock protects members used 315 * in TX fast path, lock protects everything else. lock nests inside 316 * of tx_lock (ie tx_lock must be acquired first if needed). 317 */ 318struct ipoib_dev_priv { 319 spinlock_t lock; 320 spinlock_t drain_lock; 321 322 if_t dev; 323 324 u8 broadcastaddr[INFINIBAND_ALEN]; 325 326 unsigned long flags; 327 328 int gone; 329 int unit; 330 331 struct mutex vlan_mutex; 332 333 struct rb_root path_tree; 334 struct list_head path_list; 335 336 struct ipoib_mcast *broadcast; 337 struct list_head multicast_list; 338 struct rb_root multicast_tree; 339 340 struct delayed_work pkey_poll_task; 341 struct delayed_work mcast_task; 342 struct work_struct carrier_on_task; 343 struct work_struct flush_light; 344 struct work_struct flush_normal; 345 struct work_struct flush_heavy; 346 struct work_struct restart_task; 347 struct delayed_work ah_reap_task; 348 349 struct ib_device *ca; 350 u8 port; 351 u16 pkey; 352 u16 pkey_index; 353 struct ib_pd *pd; 354 struct ib_cq *recv_cq; 355 struct ib_cq *send_cq; 356 struct ib_qp *qp; 357 u32 qkey; 358 359 union ib_gid local_gid; 360 u16 local_lid; 361 362 unsigned int admin_mtu; /* User selected MTU, no GRH. */ 363 unsigned int mcast_mtu; /* Minus GRH bytes, from mcast group. */ 364 unsigned int max_ib_mtu; /* Without header, actual buf size. */ 365 366 struct ipoib_rx_buf *rx_ring; 367 368 struct ipoib_tx_buf *tx_ring; 369 unsigned tx_head; 370 unsigned tx_tail; 371 struct ib_sge tx_sge[IPOIB_MAX_TX_SG]; 372 struct ib_ud_wr tx_wr; 373 unsigned tx_outstanding; 374 struct ib_wc send_wc[MAX_SEND_CQE]; 375 376 struct ib_recv_wr rx_wr; 377 struct ib_sge rx_sge[IPOIB_MAX_RX_SG]; 378 379 struct ib_wc ibwc[IPOIB_NUM_WC]; 380 381 struct list_head dead_ahs; 382 383 struct ib_event_handler event_handler; 384 385 if_t parent; 386 struct list_head child_intfs; 387 struct list_head list; 388 389#ifdef CONFIG_INFINIBAND_IPOIB_CM 390 struct ipoib_cm_dev_priv cm; 391#endif 392 393#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 394 struct list_head fs_list; 395 struct dentry *mcg_dentry; 396 struct dentry *path_dentry; 397#endif 398 int hca_caps; 399 struct ipoib_ethtool_st ethtool; 400 struct timer_list poll_timer; 401}; 402 403struct ipoib_ah { 404 struct ipoib_dev_priv *priv; 405 struct ib_ah *ah; 406 struct list_head list; 407 struct kref ref; 408 unsigned last_send; 409}; 410 411struct ipoib_path { 412 struct ipoib_dev_priv *priv; 413 struct rb_node rb_node; 414 struct list_head list; 415#ifdef CONFIG_INFINIBAND_IPOIB_CM 416 uint8_t hwaddr[INFINIBAND_ALEN]; 417 struct ipoib_cm_tx *cm; 418#endif 419 struct ipoib_ah *ah; 420 struct ib_sa_path_rec pathrec; 421 struct ifqueue queue; 422 423 int query_id; 424 struct ib_sa_query *query; 425 struct completion done; 426 427 int valid; 428}; 429 430/* UD Only transmits encap len but we want the two sizes to be symmetrical. */ 431#define IPOIB_UD_MTU(ib_mtu) (ib_mtu - IPOIB_ENCAP_LEN) 432#define IPOIB_CM_MTU(ib_mtu) (ib_mtu - 0x10) 433 434#define IPOIB_IS_MULTICAST(addr) ((addr)[4] == 0xff) 435 436extern struct workqueue_struct *ipoib_workqueue; 437 438/* functions */ 439void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr); 440void ipoib_send_comp_handler(struct ib_cq *cq, void *dev_ptr); 441 442struct ipoib_ah *ipoib_create_ah(struct ipoib_dev_priv *, 443 struct ib_pd *pd, struct ib_ah_attr *attr); 444void ipoib_free_ah(struct kref *kref); 445static inline void ipoib_put_ah(struct ipoib_ah *ah) 446{ 447 kref_put(&ah->ref, ipoib_free_ah); 448} 449 450int ipoib_open(struct ipoib_dev_priv *priv); 451int ipoib_add_pkey_attr(struct ipoib_dev_priv *priv); 452int ipoib_add_umcast_attr(struct ipoib_dev_priv *priv); 453 454void ipoib_send(struct ipoib_dev_priv *priv, struct mbuf *mb, 455 struct ipoib_ah *address, u32 qpn); 456void ipoib_reap_ah(struct work_struct *work); 457 458void ipoib_mark_paths_invalid(struct ipoib_dev_priv *priv); 459void ipoib_flush_paths(struct ipoib_dev_priv *priv); 460struct ipoib_dev_priv *ipoib_intf_alloc(const char *format, struct ib_device *ca); 461 462int ipoib_ib_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca, 463 int port); 464void ipoib_ib_dev_flush_light(struct work_struct *work); 465void ipoib_ib_dev_flush_normal(struct work_struct *work); 466void ipoib_ib_dev_flush_heavy(struct work_struct *work); 467void ipoib_pkey_event(struct work_struct *work); 468void ipoib_ib_dev_cleanup(struct ipoib_dev_priv *priv); 469 470int ipoib_ib_dev_open(struct ipoib_dev_priv *priv); 471int ipoib_ib_dev_up(struct ipoib_dev_priv *priv); 472int ipoib_ib_dev_down(struct ipoib_dev_priv *priv, int flush); 473int ipoib_ib_dev_stop(struct ipoib_dev_priv *priv, int flush); 474 475int ipoib_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca, int port); 476void ipoib_dev_cleanup(struct ipoib_dev_priv *priv); 477 478void ipoib_mcast_join_task(struct work_struct *work); 479void ipoib_mcast_carrier_on_task(struct work_struct *work); 480void ipoib_mcast_send(struct ipoib_dev_priv *priv, void *mgid, struct mbuf *mb); 481 482void ipoib_mcast_restart_task(struct work_struct *work); 483void ipoib_mcast_restart(struct ipoib_dev_priv *); 484int ipoib_mcast_start_thread(struct ipoib_dev_priv *priv); 485int ipoib_mcast_stop_thread(struct ipoib_dev_priv *priv, int flush); 486 487void ipoib_mcast_dev_down(struct ipoib_dev_priv *priv); 488void ipoib_mcast_dev_flush(struct ipoib_dev_priv *priv); 489 490void ipoib_path_free(struct ipoib_dev_priv *priv, struct ipoib_path *path); 491#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 492struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct ipoib_dev_priv *priv); 493int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); 494void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter, 495 union ib_gid *gid, 496 unsigned long *created, 497 unsigned int *queuelen, 498 unsigned int *complete, 499 unsigned int *send_only); 500 501struct ipoib_path_iter *ipoib_path_iter_init(struct ipoib_dev_priv *priv); 502int ipoib_path_iter_next(struct ipoib_path_iter *iter); 503void ipoib_path_iter_read(struct ipoib_path_iter *iter, 504 struct ipoib_path *path); 505#endif 506 507int ipoib_change_mtu(struct ipoib_dev_priv *priv, int new_mtu, bool propagate); 508 509int ipoib_mcast_attach(struct ipoib_dev_priv *priv, u16 mlid, 510 union ib_gid *mgid, int set_qkey); 511 512int ipoib_init_qp(struct ipoib_dev_priv *priv); 513int ipoib_transport_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca); 514void ipoib_transport_dev_cleanup(struct ipoib_dev_priv *priv); 515 516void ipoib_event(struct ib_event_handler *handler, 517 struct ib_event *record); 518 519void ipoib_pkey_poll(struct work_struct *work); 520int ipoib_pkey_dev_delay_open(struct ipoib_dev_priv *priv); 521void ipoib_drain_cq(struct ipoib_dev_priv *priv); 522 523int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req, int max); 524void ipoib_dma_unmap_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req); 525int ipoib_poll_tx(struct ipoib_dev_priv *priv, bool do_start); 526 527void ipoib_dma_unmap_rx(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req); 528void ipoib_dma_mb(struct ipoib_dev_priv *priv, struct mbuf *mb, unsigned int length); 529struct mbuf *ipoib_alloc_map_mb(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req, int align, int size, int max_frags); 530 531 532void ipoib_set_ethtool_ops(if_t dev); 533int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca); 534 535#ifdef CONFIG_INFINIBAND_IPOIB_CM 536 537#define IPOIB_FLAGS_RC 0x80 538#define IPOIB_FLAGS_UC 0x40 539 540/* We don't support UC connections at the moment */ 541#define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC)) 542 543extern int ipoib_max_conn_qp; 544 545static inline int ipoib_cm_admin_enabled(struct ipoib_dev_priv *priv) 546{ 547 return IPOIB_CM_SUPPORTED(if_getlladdr(priv->dev)); 548} 549 550static inline int ipoib_cm_enabled(struct ipoib_dev_priv *priv, uint8_t *hwaddr) 551{ 552 return IPOIB_CM_SUPPORTED(hwaddr); 553} 554 555static inline int ipoib_cm_up(struct ipoib_path *path) 556 557{ 558 return test_bit(IPOIB_FLAG_OPER_UP, &path->cm->flags); 559} 560 561static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_path *path) 562{ 563 return path->cm; 564} 565 566static inline void ipoib_cm_set(struct ipoib_path *path, struct ipoib_cm_tx *tx) 567{ 568 path->cm = tx; 569} 570 571static inline int ipoib_cm_has_srq(struct ipoib_dev_priv *priv) 572{ 573 return !!priv->cm.srq; 574} 575 576static inline unsigned int ipoib_cm_max_mtu(struct ipoib_dev_priv *priv) 577{ 578 return priv->cm.max_cm_mtu; 579} 580 581void ipoib_cm_send(struct ipoib_dev_priv *priv, struct mbuf *mb, struct ipoib_cm_tx *tx); 582int ipoib_cm_dev_open(struct ipoib_dev_priv *priv); 583void ipoib_cm_dev_stop(struct ipoib_dev_priv *priv); 584int ipoib_cm_dev_init(struct ipoib_dev_priv *priv); 585int ipoib_cm_add_mode_attr(struct ipoib_dev_priv *priv); 586void ipoib_cm_dev_cleanup(struct ipoib_dev_priv *priv); 587struct ipoib_cm_tx *ipoib_cm_create_tx(struct ipoib_dev_priv *priv, 588 struct ipoib_path *path); 589void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx); 590void ipoib_cm_mb_too_long(struct ipoib_dev_priv *priv, struct mbuf *mb, 591 unsigned int mtu); 592void ipoib_cm_handle_rx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc); 593void ipoib_cm_handle_tx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc); 594#else 595 596struct ipoib_cm_tx; 597 598#define ipoib_max_conn_qp 0 599 600static inline int ipoib_cm_admin_enabled(struct ipoib_dev_priv *priv) 601{ 602 return 0; 603} 604static inline int ipoib_cm_enabled(struct ipoib_dev_priv *priv, uint8_t *hwaddr) 605 606{ 607 return 0; 608} 609 610static inline int ipoib_cm_up(struct ipoib_path *path) 611 612{ 613 return 0; 614} 615 616static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_path *path) 617{ 618 return NULL; 619} 620 621static inline void ipoib_cm_set(struct ipoib_path *path, struct ipoib_cm_tx *tx) 622{ 623} 624 625static inline int ipoib_cm_has_srq(struct ipoib_dev_priv *priv) 626{ 627 return 0; 628} 629 630static inline unsigned int ipoib_cm_max_mtu(struct ipoib_dev_priv *priv) 631{ 632 return 0; 633} 634 635static inline 636void ipoib_cm_send(struct ipoib_dev_priv *priv, struct mbuf *mb, struct ipoib_cm_tx *tx) 637{ 638 return; 639} 640 641static inline 642int ipoib_cm_dev_open(struct ipoib_dev_priv *priv) 643{ 644 return 0; 645} 646 647static inline 648void ipoib_cm_dev_stop(struct ipoib_dev_priv *priv) 649{ 650 return; 651} 652 653static inline 654int ipoib_cm_dev_init(struct ipoib_dev_priv *priv) 655{ 656 return -ENOSYS; 657} 658 659static inline 660void ipoib_cm_dev_cleanup(struct ipoib_dev_priv *priv) 661{ 662 return; 663} 664 665static inline 666struct ipoib_cm_tx *ipoib_cm_create_tx(struct ipoib_dev_priv *priv, struct ipoib_path *path) 667{ 668 return NULL; 669} 670 671static inline 672void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) 673{ 674 return; 675} 676 677static inline 678int ipoib_cm_add_mode_attr(struct ipoib_dev_priv *priv) 679{ 680 return 0; 681} 682 683static inline void ipoib_cm_mb_too_long(struct ipoib_dev_priv *priv, struct mbuf *mb, 684 unsigned int mtu) 685{ 686 m_freem(mb); 687} 688 689static inline void ipoib_cm_handle_rx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc) 690{ 691} 692 693static inline void ipoib_cm_handle_tx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc) 694{ 695} 696#endif 697 698#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 699void ipoib_create_debug_files(struct ipoib_dev_priv *priv); 700void ipoib_delete_debug_files(struct ipoib_dev_priv *priv); 701int ipoib_register_debugfs(void); 702void ipoib_unregister_debugfs(void); 703#else 704static inline void ipoib_create_debug_files(struct ipoib_dev_priv *priv) { } 705static inline void ipoib_delete_debug_files(struct ipoib_dev_priv *priv) { } 706static inline int ipoib_register_debugfs(void) { return 0; } 707static inline void ipoib_unregister_debugfs(void) { } 708#endif 709 710#define ipoib_printk(level, priv, format, arg...) \ 711 printk(level "%s: " format, if_name(((struct ipoib_dev_priv *) priv)->dev), ## arg) 712#define ipoib_warn(priv, format, arg...) \ 713 ipoib_printk(KERN_WARNING, priv, format , ## arg) 714 715extern int ipoib_sendq_size; 716extern int ipoib_recvq_size; 717 718extern struct ib_sa_client ipoib_sa_client; 719 720#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 721extern int ipoib_debug_level; 722 723#define ipoib_dbg(priv, format, arg...) \ 724 do { \ 725 if (ipoib_debug_level > 0) \ 726 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 727 } while (0) 728#define ipoib_dbg_mcast(priv, format, arg...) \ 729 do { \ 730 if (mcast_debug_level > 0) \ 731 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 732 } while (0) 733#else /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 734#define ipoib_dbg(priv, format, arg...) \ 735 do { (void) (priv); } while (0) 736#define ipoib_dbg_mcast(priv, format, arg...) \ 737 do { (void) (priv); } while (0) 738#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 739 740#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 741#define ipoib_dbg_data(priv, format, arg...) \ 742 do { \ 743 if (data_debug_level > 0) \ 744 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 745 } while (0) 746#else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 747#define ipoib_dbg_data(priv, format, arg...) \ 748 do { (void) (priv); } while (0) 749#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 750 751#define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff) 752 753void ipoib_start_locked(if_t, struct ipoib_dev_priv *); 754 755#endif /* _IPOIB_H */ 756