Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. | |
2a1d9b7f RD |
3 | * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. |
4 | * Copyright (c) 2004 Voltaire, Inc. All rights reserved. | |
1da177e4 LT |
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/pci.h> | |
1da177e4 LT |
45 | #include <linux/kref.h> |
46 | #include <linux/if_infiniband.h> | |
95ed644f | 47 | #include <linux/mutex.h> |
1da177e4 LT |
48 | |
49 | #include <net/neighbour.h> | |
50 | ||
51 | #include <asm/atomic.h> | |
1da177e4 | 52 | |
a4d61e84 RD |
53 | #include <rdma/ib_verbs.h> |
54 | #include <rdma/ib_pack.h> | |
55 | #include <rdma/ib_sa.h> | |
1da177e4 LT |
56 | |
57 | /* constants */ | |
58 | ||
59 | enum { | |
60 | IPOIB_PACKET_SIZE = 2048, | |
61 | IPOIB_BUF_SIZE = IPOIB_PACKET_SIZE + IB_GRH_BYTES, | |
62 | ||
63 | IPOIB_ENCAP_LEN = 4, | |
64 | ||
839fcaba MT |
65 | IPOIB_CM_MTU = 0x10000 - 0x10, /* padding to align header to 16 */ |
66 | IPOIB_CM_BUF_SIZE = IPOIB_CM_MTU + IPOIB_ENCAP_LEN, | |
67 | IPOIB_CM_HEAD_SIZE = IPOIB_CM_BUF_SIZE % PAGE_SIZE, | |
68 | IPOIB_CM_RX_SG = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE, | |
1da177e4 LT |
69 | IPOIB_RX_RING_SIZE = 128, |
70 | IPOIB_TX_RING_SIZE = 64, | |
0f485251 SM |
71 | IPOIB_MAX_QUEUE_SIZE = 8192, |
72 | IPOIB_MIN_QUEUE_SIZE = 2, | |
1da177e4 LT |
73 | |
74 | IPOIB_NUM_WC = 4, | |
75 | ||
76 | IPOIB_MAX_PATH_REC_QUEUE = 3, | |
77 | IPOIB_MAX_MCAST_QUEUE = 3, | |
78 | ||
79 | IPOIB_FLAG_OPER_UP = 0, | |
7a343d4c LA |
80 | IPOIB_FLAG_INITIALIZED = 1, |
81 | IPOIB_FLAG_ADMIN_UP = 2, | |
82 | IPOIB_PKEY_ASSIGNED = 3, | |
83 | IPOIB_PKEY_STOP = 4, | |
84 | IPOIB_FLAG_SUBINTERFACE = 5, | |
85 | IPOIB_MCAST_RUN = 6, | |
86 | IPOIB_STOP_REAPER = 7, | |
87 | IPOIB_MCAST_STARTED = 8, | |
839fcaba MT |
88 | IPOIB_FLAG_NETIF_STOPPED = 9, |
89 | IPOIB_FLAG_ADMIN_CM = 10, | |
1da177e4 LT |
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 | ||
839fcaba MT |
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 | ||
1da177e4 LT |
106 | /* structs */ |
107 | ||
108 | struct ipoib_header { | |
97f52eb4 SH |
109 | __be16 proto; |
110 | u16 reserved; | |
1da177e4 LT |
111 | }; |
112 | ||
113 | struct ipoib_pseudoheader { | |
114 | u8 hwaddr[INFINIBAND_ALEN]; | |
115 | }; | |
116 | ||
117 | struct ipoib_mcast; | |
118 | ||
1993d683 RD |
119 | struct ipoib_rx_buf { |
120 | struct sk_buff *skb; | |
37ccf9df | 121 | u64 mapping; |
1993d683 RD |
122 | }; |
123 | ||
124 | struct ipoib_tx_buf { | |
1da177e4 | 125 | struct sk_buff *skb; |
37ccf9df | 126 | u64 mapping; |
1da177e4 LT |
127 | }; |
128 | ||
839fcaba MT |
129 | struct ib_cm_id; |
130 | ||
131 | struct ipoib_cm_data { | |
132 | __be32 qpn; /* High byte MUST be ignored on receive */ | |
133 | __be32 mtu; | |
134 | }; | |
135 | ||
136 | struct ipoib_cm_rx { | |
137 | struct ib_cm_id *id; | |
138 | struct ib_qp *qp; | |
139 | struct list_head list; | |
140 | struct net_device *dev; | |
141 | unsigned long jiffies; | |
142 | }; | |
143 | ||
144 | struct ipoib_cm_tx { | |
145 | struct ib_cm_id *id; | |
146 | struct ib_cq *cq; | |
147 | struct ib_qp *qp; | |
148 | struct list_head list; | |
149 | struct net_device *dev; | |
150 | struct ipoib_neigh *neigh; | |
151 | struct ipoib_path *path; | |
152 | struct ipoib_tx_buf *tx_ring; | |
153 | unsigned tx_head; | |
154 | unsigned tx_tail; | |
155 | unsigned long flags; | |
156 | u32 mtu; | |
157 | struct ib_wc ibwc[IPOIB_NUM_WC]; | |
158 | }; | |
159 | ||
160 | struct ipoib_cm_rx_buf { | |
161 | struct sk_buff *skb; | |
162 | u64 mapping[IPOIB_CM_RX_SG]; | |
163 | }; | |
164 | ||
165 | struct ipoib_cm_dev_priv { | |
166 | struct ib_srq *srq; | |
167 | struct ipoib_cm_rx_buf *srq_ring; | |
168 | struct ib_cm_id *id; | |
169 | struct list_head passive_ids; | |
170 | struct work_struct start_task; | |
171 | struct work_struct reap_task; | |
172 | struct work_struct skb_task; | |
173 | struct delayed_work stale_task; | |
174 | struct sk_buff_head skb_queue; | |
175 | struct list_head start_list; | |
176 | struct list_head reap_list; | |
177 | struct ib_wc ibwc[IPOIB_NUM_WC]; | |
178 | struct ib_sge rx_sge[IPOIB_CM_RX_SG]; | |
179 | struct ib_recv_wr rx_wr; | |
180 | }; | |
181 | ||
1da177e4 LT |
182 | /* |
183 | * Device private locking: tx_lock protects members used in TX fast | |
184 | * path (and we use LLTX so upper layers don't do extra locking). | |
185 | * lock protects everything else. lock nests inside of tx_lock (ie | |
186 | * tx_lock must be acquired first if needed). | |
187 | */ | |
188 | struct ipoib_dev_priv { | |
189 | spinlock_t lock; | |
190 | ||
191 | struct net_device *dev; | |
192 | ||
193 | unsigned long flags; | |
194 | ||
95ed644f IM |
195 | struct mutex mcast_mutex; |
196 | struct mutex vlan_mutex; | |
1da177e4 LT |
197 | |
198 | struct rb_root path_tree; | |
199 | struct list_head path_list; | |
200 | ||
201 | struct ipoib_mcast *broadcast; | |
202 | struct list_head multicast_list; | |
203 | struct rb_root multicast_tree; | |
204 | ||
c4028958 DH |
205 | struct delayed_work pkey_task; |
206 | struct delayed_work mcast_task; | |
1da177e4 LT |
207 | struct work_struct flush_task; |
208 | struct work_struct restart_task; | |
c4028958 | 209 | struct delayed_work ah_reap_task; |
1da177e4 LT |
210 | |
211 | struct ib_device *ca; | |
212 | u8 port; | |
213 | u16 pkey; | |
214 | struct ib_pd *pd; | |
215 | struct ib_mr *mr; | |
216 | struct ib_cq *cq; | |
217 | struct ib_qp *qp; | |
218 | u32 qkey; | |
219 | ||
220 | union ib_gid local_gid; | |
221 | u16 local_lid; | |
1da177e4 LT |
222 | |
223 | unsigned int admin_mtu; | |
224 | unsigned int mcast_mtu; | |
225 | ||
1993d683 | 226 | struct ipoib_rx_buf *rx_ring; |
1da177e4 | 227 | |
1993d683 RD |
228 | spinlock_t tx_lock; |
229 | struct ipoib_tx_buf *tx_ring; | |
230 | unsigned tx_head; | |
231 | unsigned tx_tail; | |
232 | struct ib_sge tx_sge; | |
233 | struct ib_send_wr tx_wr; | |
1da177e4 LT |
234 | |
235 | struct ib_wc ibwc[IPOIB_NUM_WC]; | |
236 | ||
237 | struct list_head dead_ahs; | |
238 | ||
239 | struct ib_event_handler event_handler; | |
240 | ||
241 | struct net_device_stats stats; | |
242 | ||
243 | struct net_device *parent; | |
244 | struct list_head child_intfs; | |
245 | struct list_head list; | |
246 | ||
839fcaba MT |
247 | #ifdef CONFIG_INFINIBAND_IPOIB_CM |
248 | struct ipoib_cm_dev_priv cm; | |
249 | #endif | |
250 | ||
1da177e4 LT |
251 | #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG |
252 | struct list_head fs_list; | |
253 | struct dentry *mcg_dentry; | |
1732b0ef | 254 | struct dentry *path_dentry; |
1da177e4 LT |
255 | #endif |
256 | }; | |
257 | ||
258 | struct ipoib_ah { | |
259 | struct net_device *dev; | |
260 | struct ib_ah *ah; | |
261 | struct list_head list; | |
262 | struct kref ref; | |
263 | unsigned last_send; | |
264 | }; | |
265 | ||
266 | struct ipoib_path { | |
267 | struct net_device *dev; | |
268 | struct ib_sa_path_rec pathrec; | |
269 | struct ipoib_ah *ah; | |
270 | struct sk_buff_head queue; | |
271 | ||
272 | struct list_head neigh_list; | |
273 | ||
274 | int query_id; | |
275 | struct ib_sa_query *query; | |
276 | struct completion done; | |
277 | ||
278 | struct rb_node rb_node; | |
279 | struct list_head list; | |
280 | }; | |
281 | ||
282 | struct ipoib_neigh { | |
283 | struct ipoib_ah *ah; | |
839fcaba MT |
284 | #ifdef CONFIG_INFINIBAND_IPOIB_CM |
285 | struct ipoib_cm_tx *cm; | |
286 | #endif | |
8a7f7521 | 287 | union ib_gid dgid; |
1da177e4 LT |
288 | struct sk_buff_head queue; |
289 | ||
290 | struct neighbour *neighbour; | |
291 | ||
292 | struct list_head list; | |
293 | }; | |
294 | ||
44af79f9 MT |
295 | /* |
296 | * We stash a pointer to our private neighbour information after our | |
297 | * hardware address in neigh->ha. The ALIGN() expression here makes | |
298 | * sure that this pointer is stored aligned so that an unaligned | |
299 | * load is not needed to dereference it. | |
300 | */ | |
1da177e4 LT |
301 | static inline struct ipoib_neigh **to_ipoib_neigh(struct neighbour *neigh) |
302 | { | |
44af79f9 MT |
303 | return (void*) neigh + ALIGN(offsetof(struct neighbour, ha) + |
304 | INFINIBAND_ALEN, sizeof(void *)); | |
1da177e4 LT |
305 | } |
306 | ||
d2e0655e | 307 | struct ipoib_neigh *ipoib_neigh_alloc(struct neighbour *neigh); |
2745b5b7 | 308 | void ipoib_neigh_free(struct net_device *dev, struct ipoib_neigh *neigh); |
d2e0655e | 309 | |
1da177e4 LT |
310 | extern struct workqueue_struct *ipoib_workqueue; |
311 | ||
312 | /* functions */ | |
313 | ||
314 | void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr); | |
315 | ||
316 | struct ipoib_ah *ipoib_create_ah(struct net_device *dev, | |
317 | struct ib_pd *pd, struct ib_ah_attr *attr); | |
318 | void ipoib_free_ah(struct kref *kref); | |
319 | static inline void ipoib_put_ah(struct ipoib_ah *ah) | |
320 | { | |
321 | kref_put(&ah->ref, ipoib_free_ah); | |
322 | } | |
323 | ||
8ae5a8a2 | 324 | int ipoib_open(struct net_device *dev); |
1da177e4 LT |
325 | int ipoib_add_pkey_attr(struct net_device *dev); |
326 | ||
327 | void ipoib_send(struct net_device *dev, struct sk_buff *skb, | |
328 | struct ipoib_ah *address, u32 qpn); | |
c4028958 | 329 | void ipoib_reap_ah(struct work_struct *work); |
1da177e4 LT |
330 | |
331 | void ipoib_flush_paths(struct net_device *dev); | |
332 | struct ipoib_dev_priv *ipoib_intf_alloc(const char *format); | |
333 | ||
334 | int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port); | |
c4028958 | 335 | void ipoib_ib_dev_flush(struct work_struct *work); |
1da177e4 LT |
336 | void ipoib_ib_dev_cleanup(struct net_device *dev); |
337 | ||
338 | int ipoib_ib_dev_open(struct net_device *dev); | |
339 | int ipoib_ib_dev_up(struct net_device *dev); | |
0b3ea082 | 340 | int ipoib_ib_dev_down(struct net_device *dev, int flush); |
1da177e4 LT |
341 | int ipoib_ib_dev_stop(struct net_device *dev); |
342 | ||
343 | int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port); | |
344 | void ipoib_dev_cleanup(struct net_device *dev); | |
345 | ||
c4028958 | 346 | void ipoib_mcast_join_task(struct work_struct *work); |
37c22a77 | 347 | void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb); |
1da177e4 | 348 | |
c4028958 | 349 | void ipoib_mcast_restart_task(struct work_struct *work); |
1da177e4 | 350 | int ipoib_mcast_start_thread(struct net_device *dev); |
8d2cae06 | 351 | int ipoib_mcast_stop_thread(struct net_device *dev, int flush); |
1da177e4 LT |
352 | |
353 | void ipoib_mcast_dev_down(struct net_device *dev); | |
354 | void ipoib_mcast_dev_flush(struct net_device *dev); | |
355 | ||
8ae5a8a2 | 356 | #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG |
1da177e4 | 357 | struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev); |
1da177e4 LT |
358 | int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); |
359 | void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter, | |
360 | union ib_gid *gid, | |
361 | unsigned long *created, | |
362 | unsigned int *queuelen, | |
363 | unsigned int *complete, | |
364 | unsigned int *send_only); | |
1732b0ef RD |
365 | |
366 | struct ipoib_path_iter *ipoib_path_iter_init(struct net_device *dev); | |
367 | int ipoib_path_iter_next(struct ipoib_path_iter *iter); | |
368 | void ipoib_path_iter_read(struct ipoib_path_iter *iter, | |
369 | struct ipoib_path *path); | |
8ae5a8a2 | 370 | #endif |
1da177e4 LT |
371 | |
372 | int ipoib_mcast_attach(struct net_device *dev, u16 mlid, | |
373 | union ib_gid *mgid); | |
374 | int ipoib_mcast_detach(struct net_device *dev, u16 mlid, | |
375 | union ib_gid *mgid); | |
376 | ||
5b6810e0 | 377 | int ipoib_init_qp(struct net_device *dev); |
1da177e4 LT |
378 | int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca); |
379 | void ipoib_transport_dev_cleanup(struct net_device *dev); | |
380 | ||
381 | void ipoib_event(struct ib_event_handler *handler, | |
382 | struct ib_event *record); | |
383 | ||
384 | int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey); | |
385 | int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey); | |
386 | ||
c4028958 | 387 | void ipoib_pkey_poll(struct work_struct *work); |
1da177e4 LT |
388 | int ipoib_pkey_dev_delay_open(struct net_device *dev); |
389 | ||
839fcaba MT |
390 | #ifdef CONFIG_INFINIBAND_IPOIB_CM |
391 | ||
392 | #define IPOIB_FLAGS_RC 0x80 | |
393 | #define IPOIB_FLAGS_UC 0x40 | |
394 | ||
395 | /* We don't support UC connections at the moment */ | |
396 | #define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC)) | |
397 | ||
398 | static inline int ipoib_cm_admin_enabled(struct net_device *dev) | |
399 | { | |
400 | struct ipoib_dev_priv *priv = netdev_priv(dev); | |
401 | return IPOIB_CM_SUPPORTED(dev->dev_addr) && | |
402 | test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); | |
403 | } | |
404 | ||
405 | static inline int ipoib_cm_enabled(struct net_device *dev, struct neighbour *n) | |
406 | { | |
407 | struct ipoib_dev_priv *priv = netdev_priv(dev); | |
408 | return IPOIB_CM_SUPPORTED(n->ha) && | |
409 | test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); | |
410 | } | |
411 | ||
412 | static inline int ipoib_cm_up(struct ipoib_neigh *neigh) | |
413 | ||
414 | { | |
415 | return test_bit(IPOIB_FLAG_OPER_UP, &neigh->cm->flags); | |
416 | } | |
417 | ||
418 | static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) | |
419 | { | |
420 | return neigh->cm; | |
421 | } | |
422 | ||
423 | static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) | |
424 | { | |
425 | neigh->cm = tx; | |
426 | } | |
427 | ||
428 | void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx); | |
429 | int ipoib_cm_dev_open(struct net_device *dev); | |
430 | void ipoib_cm_dev_stop(struct net_device *dev); | |
431 | int ipoib_cm_dev_init(struct net_device *dev); | |
432 | int ipoib_cm_add_mode_attr(struct net_device *dev); | |
433 | void ipoib_cm_dev_cleanup(struct net_device *dev); | |
434 | struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, | |
435 | struct ipoib_neigh *neigh); | |
436 | void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx); | |
437 | void ipoib_cm_skb_too_long(struct net_device* dev, struct sk_buff *skb, | |
438 | unsigned int mtu); | |
439 | void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc); | |
440 | #else | |
441 | ||
442 | struct ipoib_cm_tx; | |
443 | ||
444 | static inline int ipoib_cm_admin_enabled(struct net_device *dev) | |
445 | { | |
446 | return 0; | |
447 | } | |
448 | static inline int ipoib_cm_enabled(struct net_device *dev, struct neighbour *n) | |
449 | ||
450 | { | |
451 | return 0; | |
452 | } | |
453 | ||
454 | static inline int ipoib_cm_up(struct ipoib_neigh *neigh) | |
455 | ||
456 | { | |
457 | return 0; | |
458 | } | |
459 | ||
460 | static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) | |
461 | { | |
462 | return NULL; | |
463 | } | |
464 | ||
465 | static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) | |
466 | { | |
467 | } | |
468 | ||
469 | static inline | |
470 | void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx) | |
471 | { | |
472 | return; | |
473 | } | |
474 | ||
475 | static inline | |
476 | int ipoib_cm_dev_open(struct net_device *dev) | |
477 | { | |
478 | return 0; | |
479 | } | |
480 | ||
481 | static inline | |
482 | void ipoib_cm_dev_stop(struct net_device *dev) | |
483 | { | |
484 | return; | |
485 | } | |
486 | ||
487 | static inline | |
488 | int ipoib_cm_dev_init(struct net_device *dev) | |
489 | { | |
490 | return -ENOSYS; | |
491 | } | |
492 | ||
493 | static inline | |
494 | void ipoib_cm_dev_cleanup(struct net_device *dev) | |
495 | { | |
496 | return; | |
497 | } | |
498 | ||
499 | static inline | |
500 | struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, | |
501 | struct ipoib_neigh *neigh) | |
502 | { | |
503 | return NULL; | |
504 | } | |
505 | ||
506 | static inline | |
507 | void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) | |
508 | { | |
509 | return; | |
510 | } | |
511 | ||
512 | static inline | |
513 | int ipoib_cm_add_mode_attr(struct net_device *dev) | |
514 | { | |
515 | return 0; | |
516 | } | |
517 | ||
518 | static inline void ipoib_cm_skb_too_long(struct net_device* dev, struct sk_buff *skb, | |
519 | unsigned int mtu) | |
520 | { | |
521 | dev_kfree_skb_any(skb); | |
522 | } | |
523 | ||
524 | static inline void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) | |
525 | { | |
526 | } | |
527 | ||
528 | #endif | |
529 | ||
1da177e4 | 530 | #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG |
1732b0ef RD |
531 | void ipoib_create_debug_files(struct net_device *dev); |
532 | void ipoib_delete_debug_files(struct net_device *dev); | |
1da177e4 LT |
533 | int ipoib_register_debugfs(void); |
534 | void ipoib_unregister_debugfs(void); | |
535 | #else | |
1732b0ef RD |
536 | static inline void ipoib_create_debug_files(struct net_device *dev) { } |
537 | static inline void ipoib_delete_debug_files(struct net_device *dev) { } | |
1da177e4 LT |
538 | static inline int ipoib_register_debugfs(void) { return 0; } |
539 | static inline void ipoib_unregister_debugfs(void) { } | |
540 | #endif | |
541 | ||
542 | ||
543 | #define ipoib_printk(level, priv, format, arg...) \ | |
544 | printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg) | |
545 | #define ipoib_warn(priv, format, arg...) \ | |
546 | ipoib_printk(KERN_WARNING, priv, format , ## arg) | |
547 | ||
0f485251 SM |
548 | extern int ipoib_sendq_size; |
549 | extern int ipoib_recvq_size; | |
1da177e4 | 550 | |
c1a0b23b MT |
551 | extern struct ib_sa_client ipoib_sa_client; |
552 | ||
1da177e4 LT |
553 | #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG |
554 | extern int ipoib_debug_level; | |
555 | ||
556 | #define ipoib_dbg(priv, format, arg...) \ | |
557 | do { \ | |
558 | if (ipoib_debug_level > 0) \ | |
559 | ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ | |
560 | } while (0) | |
561 | #define ipoib_dbg_mcast(priv, format, arg...) \ | |
562 | do { \ | |
563 | if (mcast_debug_level > 0) \ | |
564 | ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ | |
565 | } while (0) | |
566 | #else /* CONFIG_INFINIBAND_IPOIB_DEBUG */ | |
567 | #define ipoib_dbg(priv, format, arg...) \ | |
568 | do { (void) (priv); } while (0) | |
569 | #define ipoib_dbg_mcast(priv, format, arg...) \ | |
570 | do { (void) (priv); } while (0) | |
571 | #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */ | |
572 | ||
573 | #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA | |
574 | #define ipoib_dbg_data(priv, format, arg...) \ | |
575 | do { \ | |
576 | if (data_debug_level > 0) \ | |
577 | ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ | |
578 | } while (0) | |
579 | #else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ | |
580 | #define ipoib_dbg_data(priv, format, arg...) \ | |
581 | do { (void) (priv); } while (0) | |
582 | #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ | |
583 | ||
584 | ||
37c22a77 JM |
585 | #define IPOIB_GID_FMT "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:" \ |
586 | "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x" | |
587 | ||
588 | #define IPOIB_GID_RAW_ARG(gid) ((u8 *)(gid))[0], \ | |
589 | ((u8 *)(gid))[1], \ | |
590 | ((u8 *)(gid))[2], \ | |
591 | ((u8 *)(gid))[3], \ | |
592 | ((u8 *)(gid))[4], \ | |
593 | ((u8 *)(gid))[5], \ | |
594 | ((u8 *)(gid))[6], \ | |
595 | ((u8 *)(gid))[7], \ | |
596 | ((u8 *)(gid))[8], \ | |
597 | ((u8 *)(gid))[9], \ | |
598 | ((u8 *)(gid))[10],\ | |
599 | ((u8 *)(gid))[11],\ | |
600 | ((u8 *)(gid))[12],\ | |
601 | ((u8 *)(gid))[13],\ | |
602 | ((u8 *)(gid))[14],\ | |
603 | ((u8 *)(gid))[15] | |
604 | ||
605 | #define IPOIB_GID_ARG(gid) IPOIB_GID_RAW_ARG((gid).raw) | |
1da177e4 | 606 | |
839fcaba MT |
607 | #define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff) |
608 | ||
1da177e4 | 609 | #endif /* _IPOIB_H */ |