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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> | |
1da177e4 LT |
44 | #include <linux/kref.h> |
45 | #include <linux/if_infiniband.h> | |
95ed644f | 46 | #include <linux/mutex.h> |
1da177e4 LT |
47 | |
48 | #include <net/neighbour.h> | |
49 | ||
50 | #include <asm/atomic.h> | |
1da177e4 | 51 | |
a4d61e84 RD |
52 | #include <rdma/ib_verbs.h> |
53 | #include <rdma/ib_pack.h> | |
54 | #include <rdma/ib_sa.h> | |
1da177e4 LT |
55 | |
56 | /* constants */ | |
57 | ||
58 | enum { | |
2337f809 | 59 | IPOIB_ENCAP_LEN = 4, |
1da177e4 | 60 | |
bc7b3a36 SM |
61 | IPOIB_UD_HEAD_SIZE = IB_GRH_BYTES + IPOIB_ENCAP_LEN, |
62 | IPOIB_UD_RX_SG = 2, /* max buffer needed for 4K mtu */ | |
63 | ||
2337f809 RD |
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, | |
0f485251 SM |
70 | IPOIB_MAX_QUEUE_SIZE = 8192, |
71 | IPOIB_MIN_QUEUE_SIZE = 2, | |
68e995a2 | 72 | IPOIB_CM_MAX_CONN_QP = 4096, |
1da177e4 | 73 | |
2337f809 | 74 | IPOIB_NUM_WC = 4, |
1da177e4 LT |
75 | |
76 | IPOIB_MAX_PATH_REC_QUEUE = 3, | |
2337f809 RD |
77 | IPOIB_MAX_MCAST_QUEUE = 3, |
78 | ||
79 | IPOIB_FLAG_OPER_UP = 0, | |
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, | |
88 | IPOIB_FLAG_ADMIN_CM = 9, | |
1b524963 | 89 | IPOIB_FLAG_UMCAST = 10, |
6046136c | 90 | IPOIB_FLAG_CSUM = 11, |
1da177e4 LT |
91 | |
92 | IPOIB_MAX_BACKOFF_SECONDS = 16, | |
93 | ||
2337f809 | 94 | IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */ |
1da177e4 | 95 | IPOIB_MCAST_FLAG_SENDONLY = 1, |
2337f809 | 96 | IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */ |
1da177e4 | 97 | IPOIB_MCAST_FLAG_ATTACHED = 3, |
f56bcd80 EC |
98 | |
99 | MAX_SEND_CQE = 16, | |
1da177e4 LT |
100 | }; |
101 | ||
839fcaba MT |
102 | #define IPOIB_OP_RECV (1ul << 31) |
103 | #ifdef CONFIG_INFINIBAND_IPOIB_CM | |
1b524963 | 104 | #define IPOIB_OP_CM (1ul << 30) |
839fcaba | 105 | #else |
1b524963 | 106 | #define IPOIB_OP_CM (0) |
839fcaba MT |
107 | #endif |
108 | ||
1da177e4 LT |
109 | /* structs */ |
110 | ||
111 | struct ipoib_header { | |
97f52eb4 SH |
112 | __be16 proto; |
113 | u16 reserved; | |
1da177e4 LT |
114 | }; |
115 | ||
116 | struct ipoib_pseudoheader { | |
117 | u8 hwaddr[INFINIBAND_ALEN]; | |
118 | }; | |
119 | ||
81668838 SH |
120 | /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ |
121 | struct ipoib_mcast { | |
122 | struct ib_sa_mcmember_rec mcmember; | |
123 | struct ib_sa_multicast *mc; | |
2337f809 | 124 | struct ipoib_ah *ah; |
81668838 SH |
125 | |
126 | struct rb_node rb_node; | |
127 | struct list_head list; | |
128 | ||
129 | unsigned long created; | |
130 | unsigned long backoff; | |
131 | ||
132 | unsigned long flags; | |
133 | unsigned char logcount; | |
134 | ||
135 | struct list_head neigh_list; | |
136 | ||
137 | struct sk_buff_head pkt_queue; | |
138 | ||
139 | struct net_device *dev; | |
140 | }; | |
1da177e4 | 141 | |
1993d683 RD |
142 | struct ipoib_rx_buf { |
143 | struct sk_buff *skb; | |
bc7b3a36 | 144 | u64 mapping[IPOIB_UD_RX_SG]; |
1993d683 RD |
145 | }; |
146 | ||
147 | struct ipoib_tx_buf { | |
1da177e4 | 148 | struct sk_buff *skb; |
7143740d | 149 | u64 mapping[MAX_SKB_FRAGS + 1]; |
1da177e4 LT |
150 | }; |
151 | ||
839fcaba MT |
152 | struct ib_cm_id; |
153 | ||
154 | struct ipoib_cm_data { | |
155 | __be32 qpn; /* High byte MUST be ignored on receive */ | |
156 | __be32 mtu; | |
157 | }; | |
158 | ||
518b1646 MT |
159 | /* |
160 | * Quoting 10.3.1 Queue Pair and EE Context States: | |
161 | * | |
162 | * Note, for QPs that are associated with an SRQ, the Consumer should take the | |
163 | * QP through the Error State before invoking a Destroy QP or a Modify QP to the | |
164 | * Reset State. The Consumer may invoke the Destroy QP without first performing | |
165 | * a Modify QP to the Error State and waiting for the Affiliated Asynchronous | |
166 | * Last WQE Reached Event. However, if the Consumer does not wait for the | |
167 | * Affiliated Asynchronous Last WQE Reached Event, then WQE and Data Segment | |
168 | * leakage may occur. Therefore, it is good programming practice to tear down a | |
169 | * QP that is associated with an SRQ by using the following process: | |
170 | * | |
171 | * - Put the QP in the Error State | |
172 | * - Wait for the Affiliated Asynchronous Last WQE Reached Event; | |
173 | * - either: | |
174 | * drain the CQ by invoking the Poll CQ verb and either wait for CQ | |
175 | * to be empty or the number of Poll CQ operations has exceeded | |
176 | * CQ capacity size; | |
177 | * - or | |
178 | * post another WR that completes on the same CQ and wait for this | |
179 | * WR to return as a WC; | |
180 | * - and then invoke a Destroy QP or Reset QP. | |
181 | * | |
182 | * We use the second option and wait for a completion on the | |
ec56dc0b | 183 | * same CQ before destroying QPs attached to our SRQ. |
518b1646 MT |
184 | */ |
185 | ||
186 | enum ipoib_cm_state { | |
187 | IPOIB_CM_RX_LIVE, | |
188 | IPOIB_CM_RX_ERROR, /* Ignored by stale task */ | |
189 | IPOIB_CM_RX_FLUSH /* Last WQE Reached event observed */ | |
190 | }; | |
191 | ||
839fcaba | 192 | struct ipoib_cm_rx { |
2337f809 RD |
193 | struct ib_cm_id *id; |
194 | struct ib_qp *qp; | |
68e995a2 | 195 | struct ipoib_cm_rx_buf *rx_ring; |
2337f809 RD |
196 | struct list_head list; |
197 | struct net_device *dev; | |
198 | unsigned long jiffies; | |
199 | enum ipoib_cm_state state; | |
68e995a2 | 200 | int recv_count; |
839fcaba MT |
201 | }; |
202 | ||
203 | struct ipoib_cm_tx { | |
2337f809 RD |
204 | struct ib_cm_id *id; |
205 | struct ib_qp *qp; | |
839fcaba MT |
206 | struct list_head list; |
207 | struct net_device *dev; | |
208 | struct ipoib_neigh *neigh; | |
209 | struct ipoib_path *path; | |
210 | struct ipoib_tx_buf *tx_ring; | |
2337f809 RD |
211 | unsigned tx_head; |
212 | unsigned tx_tail; | |
213 | unsigned long flags; | |
214 | u32 mtu; | |
839fcaba MT |
215 | }; |
216 | ||
217 | struct ipoib_cm_rx_buf { | |
218 | struct sk_buff *skb; | |
219 | u64 mapping[IPOIB_CM_RX_SG]; | |
220 | }; | |
221 | ||
222 | struct ipoib_cm_dev_priv { | |
2337f809 | 223 | struct ib_srq *srq; |
839fcaba | 224 | struct ipoib_cm_rx_buf *srq_ring; |
2337f809 RD |
225 | struct ib_cm_id *id; |
226 | struct list_head passive_ids; /* state: LIVE */ | |
227 | struct list_head rx_error_list; /* state: ERROR */ | |
228 | struct list_head rx_flush_list; /* state: FLUSH, drain not started */ | |
229 | struct list_head rx_drain_list; /* state: FLUSH, drain started */ | |
230 | struct list_head rx_reap_list; /* state: FLUSH, drain done */ | |
839fcaba MT |
231 | struct work_struct start_task; |
232 | struct work_struct reap_task; | |
233 | struct work_struct skb_task; | |
518b1646 | 234 | struct work_struct rx_reap_task; |
839fcaba MT |
235 | struct delayed_work stale_task; |
236 | struct sk_buff_head skb_queue; | |
2337f809 RD |
237 | struct list_head start_list; |
238 | struct list_head reap_list; | |
239 | struct ib_wc ibwc[IPOIB_NUM_WC]; | |
240 | struct ib_sge rx_sge[IPOIB_CM_RX_SG]; | |
839fcaba | 241 | struct ib_recv_wr rx_wr; |
68e995a2 | 242 | int nonsrq_conn_qp; |
586a6934 PS |
243 | int max_cm_mtu; |
244 | int num_frags; | |
839fcaba MT |
245 | }; |
246 | ||
28d52b3c EC |
247 | struct ipoib_ethtool_st { |
248 | u16 coalesce_usecs; | |
249 | u16 max_coalesced_frames; | |
250 | }; | |
251 | ||
1da177e4 LT |
252 | /* |
253 | * Device private locking: tx_lock protects members used in TX fast | |
254 | * path (and we use LLTX so upper layers don't do extra locking). | |
255 | * lock protects everything else. lock nests inside of tx_lock (ie | |
256 | * tx_lock must be acquired first if needed). | |
257 | */ | |
258 | struct ipoib_dev_priv { | |
259 | spinlock_t lock; | |
260 | ||
261 | struct net_device *dev; | |
262 | ||
bea3348e SH |
263 | struct napi_struct napi; |
264 | ||
1da177e4 LT |
265 | unsigned long flags; |
266 | ||
95ed644f IM |
267 | struct mutex mcast_mutex; |
268 | struct mutex vlan_mutex; | |
1da177e4 LT |
269 | |
270 | struct rb_root path_tree; | |
271 | struct list_head path_list; | |
272 | ||
273 | struct ipoib_mcast *broadcast; | |
274 | struct list_head multicast_list; | |
275 | struct rb_root multicast_tree; | |
276 | ||
26bbf13c | 277 | struct delayed_work pkey_poll_task; |
c4028958 | 278 | struct delayed_work mcast_task; |
1da177e4 LT |
279 | struct work_struct flush_task; |
280 | struct work_struct restart_task; | |
c4028958 | 281 | struct delayed_work ah_reap_task; |
26bbf13c | 282 | struct work_struct pkey_event_task; |
1da177e4 LT |
283 | |
284 | struct ib_device *ca; | |
2337f809 RD |
285 | u8 port; |
286 | u16 pkey; | |
287 | u16 pkey_index; | |
288 | struct ib_pd *pd; | |
289 | struct ib_mr *mr; | |
f56bcd80 EC |
290 | struct ib_cq *recv_cq; |
291 | struct ib_cq *send_cq; | |
2337f809 RD |
292 | struct ib_qp *qp; |
293 | u32 qkey; | |
1da177e4 LT |
294 | |
295 | union ib_gid local_gid; | |
2337f809 | 296 | u16 local_lid; |
1da177e4 LT |
297 | |
298 | unsigned int admin_mtu; | |
299 | unsigned int mcast_mtu; | |
bc7b3a36 | 300 | unsigned int max_ib_mtu; |
1da177e4 | 301 | |
1993d683 | 302 | struct ipoib_rx_buf *rx_ring; |
1da177e4 | 303 | |
2337f809 | 304 | spinlock_t tx_lock; |
1993d683 | 305 | struct ipoib_tx_buf *tx_ring; |
2337f809 RD |
306 | unsigned tx_head; |
307 | unsigned tx_tail; | |
7143740d | 308 | struct ib_sge tx_sge[MAX_SKB_FRAGS + 1]; |
1993d683 | 309 | struct ib_send_wr tx_wr; |
2337f809 | 310 | unsigned tx_outstanding; |
f56bcd80 | 311 | struct ib_wc send_wc[MAX_SEND_CQE]; |
1da177e4 | 312 | |
bc7b3a36 SM |
313 | struct ib_recv_wr rx_wr; |
314 | struct ib_sge rx_sge[IPOIB_UD_RX_SG]; | |
315 | ||
1da177e4 LT |
316 | struct ib_wc ibwc[IPOIB_NUM_WC]; |
317 | ||
318 | struct list_head dead_ahs; | |
319 | ||
320 | struct ib_event_handler event_handler; | |
321 | ||
1da177e4 LT |
322 | struct net_device *parent; |
323 | struct list_head child_intfs; | |
324 | struct list_head list; | |
325 | ||
839fcaba MT |
326 | #ifdef CONFIG_INFINIBAND_IPOIB_CM |
327 | struct ipoib_cm_dev_priv cm; | |
328 | #endif | |
329 | ||
1da177e4 LT |
330 | #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG |
331 | struct list_head fs_list; | |
332 | struct dentry *mcg_dentry; | |
1732b0ef | 333 | struct dentry *path_dentry; |
1da177e4 | 334 | #endif |
40ca1988 | 335 | int hca_caps; |
28d52b3c | 336 | struct ipoib_ethtool_st ethtool; |
1da177e4 LT |
337 | }; |
338 | ||
339 | struct ipoib_ah { | |
340 | struct net_device *dev; | |
2337f809 | 341 | struct ib_ah *ah; |
1da177e4 | 342 | struct list_head list; |
2337f809 RD |
343 | struct kref ref; |
344 | unsigned last_send; | |
1da177e4 LT |
345 | }; |
346 | ||
347 | struct ipoib_path { | |
348 | struct net_device *dev; | |
349 | struct ib_sa_path_rec pathrec; | |
350 | struct ipoib_ah *ah; | |
351 | struct sk_buff_head queue; | |
352 | ||
353 | struct list_head neigh_list; | |
354 | ||
2337f809 | 355 | int query_id; |
1da177e4 LT |
356 | struct ib_sa_query *query; |
357 | struct completion done; | |
358 | ||
2337f809 | 359 | struct rb_node rb_node; |
1da177e4 LT |
360 | struct list_head list; |
361 | }; | |
362 | ||
363 | struct ipoib_neigh { | |
364 | struct ipoib_ah *ah; | |
839fcaba MT |
365 | #ifdef CONFIG_INFINIBAND_IPOIB_CM |
366 | struct ipoib_cm_tx *cm; | |
367 | #endif | |
2337f809 | 368 | union ib_gid dgid; |
1da177e4 LT |
369 | struct sk_buff_head queue; |
370 | ||
371 | struct neighbour *neighbour; | |
732a2170 | 372 | struct net_device *dev; |
1da177e4 LT |
373 | |
374 | struct list_head list; | |
375 | }; | |
376 | ||
bc7b3a36 SM |
377 | #define IPOIB_UD_MTU(ib_mtu) (ib_mtu - IPOIB_ENCAP_LEN) |
378 | #define IPOIB_UD_BUF_SIZE(ib_mtu) (ib_mtu + IB_GRH_BYTES) | |
379 | ||
380 | static inline int ipoib_ud_need_sg(unsigned int ib_mtu) | |
381 | { | |
382 | return IPOIB_UD_BUF_SIZE(ib_mtu) > PAGE_SIZE; | |
383 | } | |
384 | ||
44af79f9 MT |
385 | /* |
386 | * We stash a pointer to our private neighbour information after our | |
387 | * hardware address in neigh->ha. The ALIGN() expression here makes | |
388 | * sure that this pointer is stored aligned so that an unaligned | |
389 | * load is not needed to dereference it. | |
390 | */ | |
1da177e4 LT |
391 | static inline struct ipoib_neigh **to_ipoib_neigh(struct neighbour *neigh) |
392 | { | |
44af79f9 MT |
393 | return (void*) neigh + ALIGN(offsetof(struct neighbour, ha) + |
394 | INFINIBAND_ALEN, sizeof(void *)); | |
1da177e4 LT |
395 | } |
396 | ||
732a2170 MS |
397 | struct ipoib_neigh *ipoib_neigh_alloc(struct neighbour *neigh, |
398 | struct net_device *dev); | |
2745b5b7 | 399 | void ipoib_neigh_free(struct net_device *dev, struct ipoib_neigh *neigh); |
d2e0655e | 400 | |
1da177e4 LT |
401 | extern struct workqueue_struct *ipoib_workqueue; |
402 | ||
403 | /* functions */ | |
404 | ||
bea3348e | 405 | int ipoib_poll(struct napi_struct *napi, int budget); |
1da177e4 LT |
406 | void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr); |
407 | ||
408 | struct ipoib_ah *ipoib_create_ah(struct net_device *dev, | |
409 | struct ib_pd *pd, struct ib_ah_attr *attr); | |
410 | void ipoib_free_ah(struct kref *kref); | |
411 | static inline void ipoib_put_ah(struct ipoib_ah *ah) | |
412 | { | |
413 | kref_put(&ah->ref, ipoib_free_ah); | |
414 | } | |
415 | ||
8ae5a8a2 | 416 | int ipoib_open(struct net_device *dev); |
1da177e4 | 417 | int ipoib_add_pkey_attr(struct net_device *dev); |
335a64a5 | 418 | int ipoib_add_umcast_attr(struct net_device *dev); |
1da177e4 LT |
419 | |
420 | void ipoib_send(struct net_device *dev, struct sk_buff *skb, | |
421 | struct ipoib_ah *address, u32 qpn); | |
c4028958 | 422 | void ipoib_reap_ah(struct work_struct *work); |
1da177e4 LT |
423 | |
424 | void ipoib_flush_paths(struct net_device *dev); | |
425 | struct ipoib_dev_priv *ipoib_intf_alloc(const char *format); | |
426 | ||
427 | int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port); | |
c4028958 | 428 | void ipoib_ib_dev_flush(struct work_struct *work); |
26bbf13c | 429 | void ipoib_pkey_event(struct work_struct *work); |
1da177e4 LT |
430 | void ipoib_ib_dev_cleanup(struct net_device *dev); |
431 | ||
432 | int ipoib_ib_dev_open(struct net_device *dev); | |
433 | int ipoib_ib_dev_up(struct net_device *dev); | |
0b3ea082 | 434 | int ipoib_ib_dev_down(struct net_device *dev, int flush); |
26bbf13c | 435 | int ipoib_ib_dev_stop(struct net_device *dev, int flush); |
1da177e4 LT |
436 | |
437 | int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port); | |
438 | void ipoib_dev_cleanup(struct net_device *dev); | |
439 | ||
c4028958 | 440 | void ipoib_mcast_join_task(struct work_struct *work); |
37c22a77 | 441 | void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb); |
1da177e4 | 442 | |
c4028958 | 443 | void ipoib_mcast_restart_task(struct work_struct *work); |
1da177e4 | 444 | int ipoib_mcast_start_thread(struct net_device *dev); |
8d2cae06 | 445 | int ipoib_mcast_stop_thread(struct net_device *dev, int flush); |
1da177e4 LT |
446 | |
447 | void ipoib_mcast_dev_down(struct net_device *dev); | |
448 | void ipoib_mcast_dev_flush(struct net_device *dev); | |
449 | ||
8ae5a8a2 | 450 | #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG |
1da177e4 | 451 | struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev); |
1da177e4 LT |
452 | int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); |
453 | void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter, | |
454 | union ib_gid *gid, | |
455 | unsigned long *created, | |
456 | unsigned int *queuelen, | |
457 | unsigned int *complete, | |
458 | unsigned int *send_only); | |
1732b0ef RD |
459 | |
460 | struct ipoib_path_iter *ipoib_path_iter_init(struct net_device *dev); | |
461 | int ipoib_path_iter_next(struct ipoib_path_iter *iter); | |
462 | void ipoib_path_iter_read(struct ipoib_path_iter *iter, | |
463 | struct ipoib_path *path); | |
8ae5a8a2 | 464 | #endif |
1da177e4 LT |
465 | |
466 | int ipoib_mcast_attach(struct net_device *dev, u16 mlid, | |
467 | union ib_gid *mgid); | |
468 | int ipoib_mcast_detach(struct net_device *dev, u16 mlid, | |
469 | union ib_gid *mgid); | |
470 | ||
5b6810e0 | 471 | int ipoib_init_qp(struct net_device *dev); |
1da177e4 LT |
472 | int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca); |
473 | void ipoib_transport_dev_cleanup(struct net_device *dev); | |
474 | ||
475 | void ipoib_event(struct ib_event_handler *handler, | |
476 | struct ib_event *record); | |
477 | ||
478 | int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey); | |
479 | int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey); | |
480 | ||
c4028958 | 481 | void ipoib_pkey_poll(struct work_struct *work); |
1da177e4 | 482 | int ipoib_pkey_dev_delay_open(struct net_device *dev); |
2dfbfc37 | 483 | void ipoib_drain_cq(struct net_device *dev); |
1da177e4 | 484 | |
82c24c18 EC |
485 | void ipoib_set_ethtool_ops(struct net_device *dev); |
486 | ||
839fcaba MT |
487 | #ifdef CONFIG_INFINIBAND_IPOIB_CM |
488 | ||
2337f809 RD |
489 | #define IPOIB_FLAGS_RC 0x80 |
490 | #define IPOIB_FLAGS_UC 0x40 | |
839fcaba MT |
491 | |
492 | /* We don't support UC connections at the moment */ | |
493 | #define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC)) | |
494 | ||
68e995a2 PS |
495 | extern int ipoib_max_conn_qp; |
496 | ||
839fcaba MT |
497 | static inline int ipoib_cm_admin_enabled(struct net_device *dev) |
498 | { | |
499 | struct ipoib_dev_priv *priv = netdev_priv(dev); | |
500 | return IPOIB_CM_SUPPORTED(dev->dev_addr) && | |
501 | test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); | |
502 | } | |
503 | ||
504 | static inline int ipoib_cm_enabled(struct net_device *dev, struct neighbour *n) | |
505 | { | |
506 | struct ipoib_dev_priv *priv = netdev_priv(dev); | |
507 | return IPOIB_CM_SUPPORTED(n->ha) && | |
508 | test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); | |
509 | } | |
510 | ||
511 | static inline int ipoib_cm_up(struct ipoib_neigh *neigh) | |
512 | ||
513 | { | |
514 | return test_bit(IPOIB_FLAG_OPER_UP, &neigh->cm->flags); | |
515 | } | |
516 | ||
517 | static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) | |
518 | { | |
519 | return neigh->cm; | |
520 | } | |
521 | ||
522 | static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) | |
523 | { | |
524 | neigh->cm = tx; | |
525 | } | |
526 | ||
68e995a2 PS |
527 | static inline int ipoib_cm_has_srq(struct net_device *dev) |
528 | { | |
529 | struct ipoib_dev_priv *priv = netdev_priv(dev); | |
530 | return !!priv->cm.srq; | |
531 | } | |
532 | ||
586a6934 PS |
533 | static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev) |
534 | { | |
535 | struct ipoib_dev_priv *priv = netdev_priv(dev); | |
536 | return priv->cm.max_cm_mtu; | |
537 | } | |
538 | ||
839fcaba MT |
539 | void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx); |
540 | int ipoib_cm_dev_open(struct net_device *dev); | |
541 | void ipoib_cm_dev_stop(struct net_device *dev); | |
542 | int ipoib_cm_dev_init(struct net_device *dev); | |
543 | int ipoib_cm_add_mode_attr(struct net_device *dev); | |
544 | void ipoib_cm_dev_cleanup(struct net_device *dev); | |
545 | struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, | |
546 | struct ipoib_neigh *neigh); | |
547 | void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx); | |
2337f809 | 548 | void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb, |
839fcaba MT |
549 | unsigned int mtu); |
550 | void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc); | |
1b524963 | 551 | void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc); |
839fcaba MT |
552 | #else |
553 | ||
554 | struct ipoib_cm_tx; | |
555 | ||
68e995a2 PS |
556 | #define ipoib_max_conn_qp 0 |
557 | ||
839fcaba MT |
558 | static inline int ipoib_cm_admin_enabled(struct net_device *dev) |
559 | { | |
560 | return 0; | |
561 | } | |
562 | static inline int ipoib_cm_enabled(struct net_device *dev, struct neighbour *n) | |
563 | ||
564 | { | |
565 | return 0; | |
566 | } | |
567 | ||
568 | static inline int ipoib_cm_up(struct ipoib_neigh *neigh) | |
569 | ||
570 | { | |
571 | return 0; | |
572 | } | |
573 | ||
574 | static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) | |
575 | { | |
576 | return NULL; | |
577 | } | |
578 | ||
579 | static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) | |
580 | { | |
581 | } | |
582 | ||
68e995a2 PS |
583 | static inline int ipoib_cm_has_srq(struct net_device *dev) |
584 | { | |
585 | return 0; | |
586 | } | |
587 | ||
586a6934 PS |
588 | static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev) |
589 | { | |
590 | return 0; | |
591 | } | |
592 | ||
839fcaba MT |
593 | static inline |
594 | void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx) | |
595 | { | |
596 | return; | |
597 | } | |
598 | ||
599 | static inline | |
600 | int ipoib_cm_dev_open(struct net_device *dev) | |
601 | { | |
602 | return 0; | |
603 | } | |
604 | ||
605 | static inline | |
606 | void ipoib_cm_dev_stop(struct net_device *dev) | |
607 | { | |
608 | return; | |
609 | } | |
610 | ||
611 | static inline | |
612 | int ipoib_cm_dev_init(struct net_device *dev) | |
613 | { | |
614 | return -ENOSYS; | |
615 | } | |
616 | ||
617 | static inline | |
618 | void ipoib_cm_dev_cleanup(struct net_device *dev) | |
619 | { | |
620 | return; | |
621 | } | |
622 | ||
623 | static inline | |
624 | struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, | |
625 | struct ipoib_neigh *neigh) | |
626 | { | |
627 | return NULL; | |
628 | } | |
629 | ||
630 | static inline | |
631 | void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) | |
632 | { | |
633 | return; | |
634 | } | |
635 | ||
636 | static inline | |
637 | int ipoib_cm_add_mode_attr(struct net_device *dev) | |
638 | { | |
639 | return 0; | |
640 | } | |
641 | ||
2337f809 | 642 | static inline void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb, |
839fcaba MT |
643 | unsigned int mtu) |
644 | { | |
645 | dev_kfree_skb_any(skb); | |
646 | } | |
647 | ||
648 | static inline void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) | |
649 | { | |
650 | } | |
651 | ||
1b524963 MT |
652 | static inline void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) |
653 | { | |
654 | } | |
839fcaba MT |
655 | #endif |
656 | ||
1da177e4 | 657 | #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG |
1732b0ef RD |
658 | void ipoib_create_debug_files(struct net_device *dev); |
659 | void ipoib_delete_debug_files(struct net_device *dev); | |
1da177e4 LT |
660 | int ipoib_register_debugfs(void); |
661 | void ipoib_unregister_debugfs(void); | |
662 | #else | |
1732b0ef RD |
663 | static inline void ipoib_create_debug_files(struct net_device *dev) { } |
664 | static inline void ipoib_delete_debug_files(struct net_device *dev) { } | |
1da177e4 LT |
665 | static inline int ipoib_register_debugfs(void) { return 0; } |
666 | static inline void ipoib_unregister_debugfs(void) { } | |
667 | #endif | |
668 | ||
1da177e4 LT |
669 | #define ipoib_printk(level, priv, format, arg...) \ |
670 | printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg) | |
671 | #define ipoib_warn(priv, format, arg...) \ | |
672 | ipoib_printk(KERN_WARNING, priv, format , ## arg) | |
673 | ||
0f485251 SM |
674 | extern int ipoib_sendq_size; |
675 | extern int ipoib_recvq_size; | |
1da177e4 | 676 | |
c1a0b23b MT |
677 | extern struct ib_sa_client ipoib_sa_client; |
678 | ||
1da177e4 LT |
679 | #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG |
680 | extern int ipoib_debug_level; | |
681 | ||
682 | #define ipoib_dbg(priv, format, arg...) \ | |
2337f809 | 683 | do { \ |
1da177e4 LT |
684 | if (ipoib_debug_level > 0) \ |
685 | ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ | |
686 | } while (0) | |
687 | #define ipoib_dbg_mcast(priv, format, arg...) \ | |
2337f809 | 688 | do { \ |
1da177e4 LT |
689 | if (mcast_debug_level > 0) \ |
690 | ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ | |
691 | } while (0) | |
692 | #else /* CONFIG_INFINIBAND_IPOIB_DEBUG */ | |
693 | #define ipoib_dbg(priv, format, arg...) \ | |
694 | do { (void) (priv); } while (0) | |
695 | #define ipoib_dbg_mcast(priv, format, arg...) \ | |
696 | do { (void) (priv); } while (0) | |
697 | #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */ | |
698 | ||
699 | #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA | |
700 | #define ipoib_dbg_data(priv, format, arg...) \ | |
2337f809 | 701 | do { \ |
1da177e4 LT |
702 | if (data_debug_level > 0) \ |
703 | ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ | |
704 | } while (0) | |
705 | #else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ | |
706 | #define ipoib_dbg_data(priv, format, arg...) \ | |
707 | do { (void) (priv); } while (0) | |
708 | #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ | |
709 | ||
710 | ||
37c22a77 JM |
711 | #define IPOIB_GID_FMT "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:" \ |
712 | "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x" | |
713 | ||
714 | #define IPOIB_GID_RAW_ARG(gid) ((u8 *)(gid))[0], \ | |
715 | ((u8 *)(gid))[1], \ | |
716 | ((u8 *)(gid))[2], \ | |
717 | ((u8 *)(gid))[3], \ | |
718 | ((u8 *)(gid))[4], \ | |
719 | ((u8 *)(gid))[5], \ | |
720 | ((u8 *)(gid))[6], \ | |
721 | ((u8 *)(gid))[7], \ | |
722 | ((u8 *)(gid))[8], \ | |
723 | ((u8 *)(gid))[9], \ | |
724 | ((u8 *)(gid))[10],\ | |
725 | ((u8 *)(gid))[11],\ | |
726 | ((u8 *)(gid))[12],\ | |
727 | ((u8 *)(gid))[13],\ | |
728 | ((u8 *)(gid))[14],\ | |
729 | ((u8 *)(gid))[15] | |
730 | ||
731 | #define IPOIB_GID_ARG(gid) IPOIB_GID_RAW_ARG((gid).raw) | |
1da177e4 | 732 | |
839fcaba MT |
733 | #define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff) |
734 | ||
1da177e4 | 735 | #endif /* _IPOIB_H */ |