1 /* 2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. 4 * Copyright (c) 2004 Voltaire, Inc. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 * 34 * $Id: ipoib.h 1358 2004-12-17 22:00:11Z roland $ 35 */ 36 37 #ifndef _IPOIB_H 38 #define _IPOIB_H 39 40 #include <linux/list.h> 41 #include <linux/skbuff.h> 42 #include <linux/netdevice.h> 43 #include <linux/workqueue.h> 44 #include <linux/kref.h> 45 #include <linux/if_infiniband.h> 46 #include <linux/mutex.h> 47 48 #include <net/neighbour.h> 49 50 #include <asm/atomic.h> 51 52 #include <rdma/ib_verbs.h> 53 #include <rdma/ib_pack.h> 54 #include <rdma/ib_sa.h> 55 56 /* constants */ 57 58 enum { 59 IPOIB_PACKET_SIZE = 2048, 60 IPOIB_BUF_SIZE = IPOIB_PACKET_SIZE + IB_GRH_BYTES, 61 62 IPOIB_ENCAP_LEN = 4, 63 64 IPOIB_CM_MTU = 0x10000 - 0x10, /* padding to align header to 16 */ 65 IPOIB_CM_BUF_SIZE = IPOIB_CM_MTU + IPOIB_ENCAP_LEN, 66 IPOIB_CM_HEAD_SIZE = IPOIB_CM_BUF_SIZE % PAGE_SIZE, 67 IPOIB_CM_RX_SG = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE, 68 IPOIB_RX_RING_SIZE = 128, 69 IPOIB_TX_RING_SIZE = 64, 70 IPOIB_MAX_QUEUE_SIZE = 8192, 71 IPOIB_MIN_QUEUE_SIZE = 2, 72 73 IPOIB_NUM_WC = 4, 74 75 IPOIB_MAX_PATH_REC_QUEUE = 3, 76 IPOIB_MAX_MCAST_QUEUE = 3, 77 78 IPOIB_FLAG_OPER_UP = 0, 79 IPOIB_FLAG_INITIALIZED = 1, 80 IPOIB_FLAG_ADMIN_UP = 2, 81 IPOIB_PKEY_ASSIGNED = 3, 82 IPOIB_PKEY_STOP = 4, 83 IPOIB_FLAG_SUBINTERFACE = 5, 84 IPOIB_MCAST_RUN = 6, 85 IPOIB_STOP_REAPER = 7, 86 IPOIB_MCAST_STARTED = 8, 87 IPOIB_FLAG_NETIF_STOPPED = 9, 88 IPOIB_FLAG_ADMIN_CM = 10, 89 IPOIB_FLAG_UMCAST = 11, 90 91 IPOIB_MAX_BACKOFF_SECONDS = 16, 92 93 IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */ 94 IPOIB_MCAST_FLAG_SENDONLY = 1, 95 IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */ 96 IPOIB_MCAST_FLAG_ATTACHED = 3, 97 }; 98 99 #define IPOIB_OP_RECV (1ul << 31) 100 #ifdef CONFIG_INFINIBAND_IPOIB_CM 101 #define IPOIB_CM_OP_SRQ (1ul << 30) 102 #else 103 #define IPOIB_CM_OP_SRQ (0) 104 #endif 105 106 /* structs */ 107 108 struct ipoib_header { 109 __be16 proto; 110 u16 reserved; 111 }; 112 113 struct ipoib_pseudoheader { 114 u8 hwaddr[INFINIBAND_ALEN]; 115 }; 116 117 /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ 118 struct ipoib_mcast { 119 struct ib_sa_mcmember_rec mcmember; 120 struct ib_sa_multicast *mc; 121 struct ipoib_ah *ah; 122 123 struct rb_node rb_node; 124 struct list_head list; 125 126 unsigned long created; 127 unsigned long backoff; 128 129 unsigned long flags; 130 unsigned char logcount; 131 132 struct list_head neigh_list; 133 134 struct sk_buff_head pkt_queue; 135 136 struct net_device *dev; 137 }; 138 139 struct ipoib_rx_buf { 140 struct sk_buff *skb; 141 u64 mapping; 142 }; 143 144 struct ipoib_tx_buf { 145 struct sk_buff *skb; 146 u64 mapping; 147 }; 148 149 struct ib_cm_id; 150 151 struct ipoib_cm_data { 152 __be32 qpn; /* High byte MUST be ignored on receive */ 153 __be32 mtu; 154 }; 155 156 /* 157 * Quoting 10.3.1 Queue Pair and EE Context States: 158 * 159 * Note, for QPs that are associated with an SRQ, the Consumer should take the 160 * QP through the Error State before invoking a Destroy QP or a Modify QP to the 161 * Reset State. The Consumer may invoke the Destroy QP without first performing 162 * a Modify QP to the Error State and waiting for the Affiliated Asynchronous 163 * Last WQE Reached Event. However, if the Consumer does not wait for the 164 * Affiliated Asynchronous Last WQE Reached Event, then WQE and Data Segment 165 * leakage may occur. Therefore, it is good programming practice to tear down a 166 * QP that is associated with an SRQ by using the following process: 167 * 168 * - Put the QP in the Error State 169 * - Wait for the Affiliated Asynchronous Last WQE Reached Event; 170 * - either: 171 * drain the CQ by invoking the Poll CQ verb and either wait for CQ 172 * to be empty or the number of Poll CQ operations has exceeded 173 * CQ capacity size; 174 * - or 175 * post another WR that completes on the same CQ and wait for this 176 * WR to return as a WC; 177 * - and then invoke a Destroy QP or Reset QP. 178 * 179 * We use the second option and wait for a completion on the 180 * same CQ before destroying QPs attached to our SRQ. 181 */ 182 183 enum ipoib_cm_state { 184 IPOIB_CM_RX_LIVE, 185 IPOIB_CM_RX_ERROR, /* Ignored by stale task */ 186 IPOIB_CM_RX_FLUSH /* Last WQE Reached event observed */ 187 }; 188 189 struct ipoib_cm_rx { 190 struct ib_cm_id *id; 191 struct ib_qp *qp; 192 struct list_head list; 193 struct net_device *dev; 194 unsigned long jiffies; 195 enum ipoib_cm_state state; 196 }; 197 198 struct ipoib_cm_tx { 199 struct ib_cm_id *id; 200 struct ib_cq *cq; 201 struct ib_qp *qp; 202 struct list_head list; 203 struct net_device *dev; 204 struct ipoib_neigh *neigh; 205 struct ipoib_path *path; 206 struct ipoib_tx_buf *tx_ring; 207 unsigned tx_head; 208 unsigned tx_tail; 209 unsigned long flags; 210 u32 mtu; 211 struct ib_wc ibwc[IPOIB_NUM_WC]; 212 }; 213 214 struct ipoib_cm_rx_buf { 215 struct sk_buff *skb; 216 u64 mapping[IPOIB_CM_RX_SG]; 217 }; 218 219 struct ipoib_cm_dev_priv { 220 struct ib_srq *srq; 221 struct ipoib_cm_rx_buf *srq_ring; 222 struct ib_cm_id *id; 223 struct list_head passive_ids; /* state: LIVE */ 224 struct list_head rx_error_list; /* state: ERROR */ 225 struct list_head rx_flush_list; /* state: FLUSH, drain not started */ 226 struct list_head rx_drain_list; /* state: FLUSH, drain started */ 227 struct list_head rx_reap_list; /* state: FLUSH, drain done */ 228 struct work_struct start_task; 229 struct work_struct reap_task; 230 struct work_struct skb_task; 231 struct work_struct rx_reap_task; 232 struct delayed_work stale_task; 233 struct sk_buff_head skb_queue; 234 struct list_head start_list; 235 struct list_head reap_list; 236 struct ib_wc ibwc[IPOIB_NUM_WC]; 237 struct ib_sge rx_sge[IPOIB_CM_RX_SG]; 238 struct ib_recv_wr rx_wr; 239 }; 240 241 /* 242 * Device private locking: tx_lock protects members used in TX fast 243 * path (and we use LLTX so upper layers don't do extra locking). 244 * lock protects everything else. lock nests inside of tx_lock (ie 245 * tx_lock must be acquired first if needed). 246 */ 247 struct ipoib_dev_priv { 248 spinlock_t lock; 249 250 struct net_device *dev; 251 252 struct napi_struct napi; 253 254 unsigned long flags; 255 256 struct mutex mcast_mutex; 257 struct mutex vlan_mutex; 258 259 struct rb_root path_tree; 260 struct list_head path_list; 261 262 struct ipoib_mcast *broadcast; 263 struct list_head multicast_list; 264 struct rb_root multicast_tree; 265 266 struct delayed_work pkey_poll_task; 267 struct delayed_work mcast_task; 268 struct work_struct flush_task; 269 struct work_struct restart_task; 270 struct delayed_work ah_reap_task; 271 struct work_struct pkey_event_task; 272 273 struct ib_device *ca; 274 u8 port; 275 u16 pkey; 276 u16 pkey_index; 277 struct ib_pd *pd; 278 struct ib_mr *mr; 279 struct ib_cq *cq; 280 struct ib_qp *qp; 281 u32 qkey; 282 283 union ib_gid local_gid; 284 u16 local_lid; 285 286 unsigned int admin_mtu; 287 unsigned int mcast_mtu; 288 289 struct ipoib_rx_buf *rx_ring; 290 291 spinlock_t tx_lock; 292 struct ipoib_tx_buf *tx_ring; 293 unsigned tx_head; 294 unsigned tx_tail; 295 struct ib_sge tx_sge; 296 struct ib_send_wr tx_wr; 297 298 struct ib_wc ibwc[IPOIB_NUM_WC]; 299 300 struct list_head dead_ahs; 301 302 struct ib_event_handler event_handler; 303 304 struct net_device *parent; 305 struct list_head child_intfs; 306 struct list_head list; 307 308 #ifdef CONFIG_INFINIBAND_IPOIB_CM 309 struct ipoib_cm_dev_priv cm; 310 #endif 311 312 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 313 struct list_head fs_list; 314 struct dentry *mcg_dentry; 315 struct dentry *path_dentry; 316 #endif 317 }; 318 319 struct ipoib_ah { 320 struct net_device *dev; 321 struct ib_ah *ah; 322 struct list_head list; 323 struct kref ref; 324 unsigned last_send; 325 }; 326 327 struct ipoib_path { 328 struct net_device *dev; 329 struct ib_sa_path_rec pathrec; 330 struct ipoib_ah *ah; 331 struct sk_buff_head queue; 332 333 struct list_head neigh_list; 334 335 int query_id; 336 struct ib_sa_query *query; 337 struct completion done; 338 339 struct rb_node rb_node; 340 struct list_head list; 341 }; 342 343 struct ipoib_neigh { 344 struct ipoib_ah *ah; 345 #ifdef CONFIG_INFINIBAND_IPOIB_CM 346 struct ipoib_cm_tx *cm; 347 #endif 348 union ib_gid dgid; 349 struct sk_buff_head queue; 350 351 struct neighbour *neighbour; 352 struct net_device *dev; 353 354 struct list_head list; 355 }; 356 357 /* 358 * We stash a pointer to our private neighbour information after our 359 * hardware address in neigh->ha. The ALIGN() expression here makes 360 * sure that this pointer is stored aligned so that an unaligned 361 * load is not needed to dereference it. 362 */ 363 static inline struct ipoib_neigh **to_ipoib_neigh(struct neighbour *neigh) 364 { 365 return (void*) neigh + ALIGN(offsetof(struct neighbour, ha) + 366 INFINIBAND_ALEN, sizeof(void *)); 367 } 368 369 struct ipoib_neigh *ipoib_neigh_alloc(struct neighbour *neigh, 370 struct net_device *dev); 371 void ipoib_neigh_free(struct net_device *dev, struct ipoib_neigh *neigh); 372 373 extern struct workqueue_struct *ipoib_workqueue; 374 375 /* functions */ 376 377 int ipoib_poll(struct napi_struct *napi, int budget); 378 void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr); 379 380 struct ipoib_ah *ipoib_create_ah(struct net_device *dev, 381 struct ib_pd *pd, struct ib_ah_attr *attr); 382 void ipoib_free_ah(struct kref *kref); 383 static inline void ipoib_put_ah(struct ipoib_ah *ah) 384 { 385 kref_put(&ah->ref, ipoib_free_ah); 386 } 387 388 int ipoib_open(struct net_device *dev); 389 int ipoib_add_pkey_attr(struct net_device *dev); 390 int ipoib_add_umcast_attr(struct net_device *dev); 391 392 void ipoib_send(struct net_device *dev, struct sk_buff *skb, 393 struct ipoib_ah *address, u32 qpn); 394 void ipoib_reap_ah(struct work_struct *work); 395 396 void ipoib_flush_paths(struct net_device *dev); 397 struct ipoib_dev_priv *ipoib_intf_alloc(const char *format); 398 399 int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port); 400 void ipoib_ib_dev_flush(struct work_struct *work); 401 void ipoib_pkey_event(struct work_struct *work); 402 void ipoib_ib_dev_cleanup(struct net_device *dev); 403 404 int ipoib_ib_dev_open(struct net_device *dev); 405 int ipoib_ib_dev_up(struct net_device *dev); 406 int ipoib_ib_dev_down(struct net_device *dev, int flush); 407 int ipoib_ib_dev_stop(struct net_device *dev, int flush); 408 409 int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port); 410 void ipoib_dev_cleanup(struct net_device *dev); 411 412 void ipoib_mcast_join_task(struct work_struct *work); 413 void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb); 414 415 void ipoib_mcast_restart_task(struct work_struct *work); 416 int ipoib_mcast_start_thread(struct net_device *dev); 417 int ipoib_mcast_stop_thread(struct net_device *dev, int flush); 418 419 void ipoib_mcast_dev_down(struct net_device *dev); 420 void ipoib_mcast_dev_flush(struct net_device *dev); 421 422 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 423 struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev); 424 int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); 425 void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter, 426 union ib_gid *gid, 427 unsigned long *created, 428 unsigned int *queuelen, 429 unsigned int *complete, 430 unsigned int *send_only); 431 432 struct ipoib_path_iter *ipoib_path_iter_init(struct net_device *dev); 433 int ipoib_path_iter_next(struct ipoib_path_iter *iter); 434 void ipoib_path_iter_read(struct ipoib_path_iter *iter, 435 struct ipoib_path *path); 436 #endif 437 438 int ipoib_mcast_attach(struct net_device *dev, u16 mlid, 439 union ib_gid *mgid); 440 int ipoib_mcast_detach(struct net_device *dev, u16 mlid, 441 union ib_gid *mgid); 442 443 int ipoib_init_qp(struct net_device *dev); 444 int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca); 445 void ipoib_transport_dev_cleanup(struct net_device *dev); 446 447 void ipoib_event(struct ib_event_handler *handler, 448 struct ib_event *record); 449 450 int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey); 451 int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey); 452 453 void ipoib_pkey_poll(struct work_struct *work); 454 int ipoib_pkey_dev_delay_open(struct net_device *dev); 455 void ipoib_drain_cq(struct net_device *dev); 456 457 #ifdef CONFIG_INFINIBAND_IPOIB_CM 458 459 #define IPOIB_FLAGS_RC 0x80 460 #define IPOIB_FLAGS_UC 0x40 461 462 /* We don't support UC connections at the moment */ 463 #define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC)) 464 465 static inline int ipoib_cm_admin_enabled(struct net_device *dev) 466 { 467 struct ipoib_dev_priv *priv = netdev_priv(dev); 468 return IPOIB_CM_SUPPORTED(dev->dev_addr) && 469 test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); 470 } 471 472 static inline int ipoib_cm_enabled(struct net_device *dev, struct neighbour *n) 473 { 474 struct ipoib_dev_priv *priv = netdev_priv(dev); 475 return IPOIB_CM_SUPPORTED(n->ha) && 476 test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); 477 } 478 479 static inline int ipoib_cm_up(struct ipoib_neigh *neigh) 480 481 { 482 return test_bit(IPOIB_FLAG_OPER_UP, &neigh->cm->flags); 483 } 484 485 static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) 486 { 487 return neigh->cm; 488 } 489 490 static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) 491 { 492 neigh->cm = tx; 493 } 494 495 void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx); 496 int ipoib_cm_dev_open(struct net_device *dev); 497 void ipoib_cm_dev_stop(struct net_device *dev); 498 int ipoib_cm_dev_init(struct net_device *dev); 499 int ipoib_cm_add_mode_attr(struct net_device *dev); 500 void ipoib_cm_dev_cleanup(struct net_device *dev); 501 struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, 502 struct ipoib_neigh *neigh); 503 void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx); 504 void ipoib_cm_skb_too_long(struct net_device* dev, struct sk_buff *skb, 505 unsigned int mtu); 506 void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc); 507 #else 508 509 struct ipoib_cm_tx; 510 511 static inline int ipoib_cm_admin_enabled(struct net_device *dev) 512 { 513 return 0; 514 } 515 static inline int ipoib_cm_enabled(struct net_device *dev, struct neighbour *n) 516 517 { 518 return 0; 519 } 520 521 static inline int ipoib_cm_up(struct ipoib_neigh *neigh) 522 523 { 524 return 0; 525 } 526 527 static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) 528 { 529 return NULL; 530 } 531 532 static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) 533 { 534 } 535 536 static inline 537 void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx) 538 { 539 return; 540 } 541 542 static inline 543 int ipoib_cm_dev_open(struct net_device *dev) 544 { 545 return 0; 546 } 547 548 static inline 549 void ipoib_cm_dev_stop(struct net_device *dev) 550 { 551 return; 552 } 553 554 static inline 555 int ipoib_cm_dev_init(struct net_device *dev) 556 { 557 return -ENOSYS; 558 } 559 560 static inline 561 void ipoib_cm_dev_cleanup(struct net_device *dev) 562 { 563 return; 564 } 565 566 static inline 567 struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, 568 struct ipoib_neigh *neigh) 569 { 570 return NULL; 571 } 572 573 static inline 574 void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) 575 { 576 return; 577 } 578 579 static inline 580 int ipoib_cm_add_mode_attr(struct net_device *dev) 581 { 582 return 0; 583 } 584 585 static inline void ipoib_cm_skb_too_long(struct net_device* dev, struct sk_buff *skb, 586 unsigned int mtu) 587 { 588 dev_kfree_skb_any(skb); 589 } 590 591 static inline void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) 592 { 593 } 594 595 #endif 596 597 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 598 void ipoib_create_debug_files(struct net_device *dev); 599 void ipoib_delete_debug_files(struct net_device *dev); 600 int ipoib_register_debugfs(void); 601 void ipoib_unregister_debugfs(void); 602 #else 603 static inline void ipoib_create_debug_files(struct net_device *dev) { } 604 static inline void ipoib_delete_debug_files(struct net_device *dev) { } 605 static inline int ipoib_register_debugfs(void) { return 0; } 606 static inline void ipoib_unregister_debugfs(void) { } 607 #endif 608 609 610 #define ipoib_printk(level, priv, format, arg...) \ 611 printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg) 612 #define ipoib_warn(priv, format, arg...) \ 613 ipoib_printk(KERN_WARNING, priv, format , ## arg) 614 615 extern int ipoib_sendq_size; 616 extern int ipoib_recvq_size; 617 618 extern struct ib_sa_client ipoib_sa_client; 619 620 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 621 extern int ipoib_debug_level; 622 623 #define ipoib_dbg(priv, format, arg...) \ 624 do { \ 625 if (ipoib_debug_level > 0) \ 626 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 627 } while (0) 628 #define ipoib_dbg_mcast(priv, format, arg...) \ 629 do { \ 630 if (mcast_debug_level > 0) \ 631 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 632 } while (0) 633 #else /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 634 #define ipoib_dbg(priv, format, arg...) \ 635 do { (void) (priv); } while (0) 636 #define ipoib_dbg_mcast(priv, format, arg...) \ 637 do { (void) (priv); } while (0) 638 #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 639 640 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 641 #define ipoib_dbg_data(priv, format, arg...) \ 642 do { \ 643 if (data_debug_level > 0) \ 644 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 645 } while (0) 646 #else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 647 #define ipoib_dbg_data(priv, format, arg...) \ 648 do { (void) (priv); } while (0) 649 #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 650 651 652 #define IPOIB_GID_FMT "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:" \ 653 "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x" 654 655 #define IPOIB_GID_RAW_ARG(gid) ((u8 *)(gid))[0], \ 656 ((u8 *)(gid))[1], \ 657 ((u8 *)(gid))[2], \ 658 ((u8 *)(gid))[3], \ 659 ((u8 *)(gid))[4], \ 660 ((u8 *)(gid))[5], \ 661 ((u8 *)(gid))[6], \ 662 ((u8 *)(gid))[7], \ 663 ((u8 *)(gid))[8], \ 664 ((u8 *)(gid))[9], \ 665 ((u8 *)(gid))[10],\ 666 ((u8 *)(gid))[11],\ 667 ((u8 *)(gid))[12],\ 668 ((u8 *)(gid))[13],\ 669 ((u8 *)(gid))[14],\ 670 ((u8 *)(gid))[15] 671 672 #define IPOIB_GID_ARG(gid) IPOIB_GID_RAW_ARG((gid).raw) 673 674 #define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff) 675 676 #endif /* _IPOIB_H */ 677