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225c7b1f RD |
1 | /* |
2 | * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. | |
51a379d0 | 3 | * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. |
225c7b1f RD |
4 | * |
5 | * This software is available to you under a choice of one of two | |
6 | * licenses. You may choose to be licensed under the terms of the GNU | |
7 | * General Public License (GPL) Version 2, available from the file | |
8 | * COPYING in the main directory of this source tree, or the | |
9 | * OpenIB.org BSD license below: | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or | |
12 | * without modification, are permitted provided that the following | |
13 | * conditions are met: | |
14 | * | |
15 | * - Redistributions of source code must retain the above | |
16 | * copyright notice, this list of conditions and the following | |
17 | * disclaimer. | |
18 | * | |
19 | * - Redistributions in binary form must reproduce the above | |
20 | * copyright notice, this list of conditions and the following | |
21 | * disclaimer in the documentation and/or other materials | |
22 | * provided with the distribution. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
25 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
26 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
27 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
28 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
29 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
30 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
31 | * SOFTWARE. | |
32 | */ | |
33 | ||
34 | #include <linux/module.h> | |
35 | #include <linux/init.h> | |
5a0e3ad6 | 36 | #include <linux/slab.h> |
225c7b1f | 37 | #include <linux/errno.h> |
fa417f7b EC |
38 | #include <linux/netdevice.h> |
39 | #include <linux/inetdevice.h> | |
40 | #include <linux/rtnetlink.h> | |
4c3eb3ca | 41 | #include <linux/if_vlan.h> |
d487ee77 MS |
42 | #include <net/ipv6.h> |
43 | #include <net/addrconf.h> | |
09d4d087 | 44 | #include <net/devlink.h> |
225c7b1f RD |
45 | |
46 | #include <rdma/ib_smi.h> | |
47 | #include <rdma/ib_user_verbs.h> | |
fa417f7b | 48 | #include <rdma/ib_addr.h> |
e26be1bf MS |
49 | #include <rdma/ib_cache.h> |
50 | ||
51 | #include <net/bonding.h> | |
225c7b1f RD |
52 | |
53 | #include <linux/mlx4/driver.h> | |
54 | #include <linux/mlx4/cmd.h> | |
9433c188 | 55 | #include <linux/mlx4/qp.h> |
225c7b1f RD |
56 | |
57 | #include "mlx4_ib.h" | |
9ce28a20 | 58 | #include <rdma/mlx4-abi.h> |
225c7b1f | 59 | |
b1d8eb5a | 60 | #define DRV_NAME MLX4_IB_DRV_NAME |
169a1d85 AV |
61 | #define DRV_VERSION "2.2-1" |
62 | #define DRV_RELDATE "Feb 2014" | |
225c7b1f | 63 | |
f77c0162 | 64 | #define MLX4_IB_FLOW_MAX_PRIO 0xFFF |
a37a1a42 | 65 | #define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF |
50e2ec91 | 66 | #define MLX4_IB_CARD_REV_A0 0xA0 |
f77c0162 | 67 | |
225c7b1f RD |
68 | MODULE_AUTHOR("Roland Dreier"); |
69 | MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver"); | |
70 | MODULE_LICENSE("Dual BSD/GPL"); | |
71 | MODULE_VERSION(DRV_VERSION); | |
72 | ||
56c1d233 | 73 | int mlx4_ib_sm_guid_assign = 0; |
a0c64a17 | 74 | module_param_named(sm_guid_assign, mlx4_ib_sm_guid_assign, int, 0444); |
56c1d233 | 75 | MODULE_PARM_DESC(sm_guid_assign, "Enable SM alias_GUID assignment if sm_guid_assign > 0 (Default: 0)"); |
a0c64a17 | 76 | |
68f3948d | 77 | static const char mlx4_ib_version[] = |
225c7b1f RD |
78 | DRV_NAME ": Mellanox ConnectX InfiniBand driver v" |
79 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
80 | ||
3806d08c JM |
81 | static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init); |
82 | ||
fa417f7b EC |
83 | static struct workqueue_struct *wq; |
84 | ||
225c7b1f RD |
85 | static void init_query_mad(struct ib_smp *mad) |
86 | { | |
87 | mad->base_version = 1; | |
88 | mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; | |
89 | mad->class_version = 1; | |
90 | mad->method = IB_MGMT_METHOD_GET; | |
91 | } | |
92 | ||
f77c0162 HHZ |
93 | static int check_flow_steering_support(struct mlx4_dev *dev) |
94 | { | |
0a9b7d59 | 95 | int eth_num_ports = 0; |
f77c0162 | 96 | int ib_num_ports = 0; |
f77c0162 | 97 | |
0a9b7d59 MB |
98 | int dmfs = dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED; |
99 | ||
100 | if (dmfs) { | |
101 | int i; | |
102 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) | |
103 | eth_num_ports++; | |
104 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) | |
105 | ib_num_ports++; | |
106 | dmfs &= (!ib_num_ports || | |
107 | (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_IPOIB)) && | |
108 | (!eth_num_ports || | |
109 | (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN)); | |
110 | if (ib_num_ports && mlx4_is_mfunc(dev)) { | |
111 | pr_warn("Device managed flow steering is unavailable for IB port in multifunction env.\n"); | |
112 | dmfs = 0; | |
f77c0162 | 113 | } |
f77c0162 | 114 | } |
0a9b7d59 | 115 | return dmfs; |
f77c0162 HHZ |
116 | } |
117 | ||
3dec4878 JM |
118 | static int num_ib_ports(struct mlx4_dev *dev) |
119 | { | |
120 | int ib_ports = 0; | |
121 | int i; | |
122 | ||
123 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) | |
124 | ib_ports++; | |
125 | ||
126 | return ib_ports; | |
127 | } | |
128 | ||
e26be1bf MS |
129 | static struct net_device *mlx4_ib_get_netdev(struct ib_device *device, u8 port_num) |
130 | { | |
131 | struct mlx4_ib_dev *ibdev = to_mdev(device); | |
132 | struct net_device *dev; | |
133 | ||
134 | rcu_read_lock(); | |
135 | dev = mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port_num); | |
136 | ||
137 | if (dev) { | |
138 | if (mlx4_is_bonded(ibdev->dev)) { | |
139 | struct net_device *upper = NULL; | |
140 | ||
141 | upper = netdev_master_upper_dev_get_rcu(dev); | |
142 | if (upper) { | |
143 | struct net_device *active; | |
144 | ||
145 | active = bond_option_active_slave_get_rcu(netdev_priv(upper)); | |
146 | if (active) | |
147 | dev = active; | |
148 | } | |
149 | } | |
150 | } | |
151 | if (dev) | |
152 | dev_hold(dev); | |
153 | ||
154 | rcu_read_unlock(); | |
155 | return dev; | |
156 | } | |
157 | ||
7e57b85c MS |
158 | static int mlx4_ib_update_gids_v1(struct gid_entry *gids, |
159 | struct mlx4_ib_dev *ibdev, | |
160 | u8 port_num) | |
e26be1bf MS |
161 | { |
162 | struct mlx4_cmd_mailbox *mailbox; | |
163 | int err; | |
164 | struct mlx4_dev *dev = ibdev->dev; | |
165 | int i; | |
166 | union ib_gid *gid_tbl; | |
167 | ||
168 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
169 | if (IS_ERR(mailbox)) | |
170 | return -ENOMEM; | |
171 | ||
172 | gid_tbl = mailbox->buf; | |
173 | ||
174 | for (i = 0; i < MLX4_MAX_PORT_GIDS; ++i) | |
175 | memcpy(&gid_tbl[i], &gids[i].gid, sizeof(union ib_gid)); | |
176 | ||
177 | err = mlx4_cmd(dev, mailbox->dma, | |
178 | MLX4_SET_PORT_GID_TABLE << 8 | port_num, | |
179 | 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, | |
180 | MLX4_CMD_WRAPPED); | |
181 | if (mlx4_is_bonded(dev)) | |
182 | err += mlx4_cmd(dev, mailbox->dma, | |
183 | MLX4_SET_PORT_GID_TABLE << 8 | 2, | |
184 | 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, | |
185 | MLX4_CMD_WRAPPED); | |
186 | ||
187 | mlx4_free_cmd_mailbox(dev, mailbox); | |
188 | return err; | |
189 | } | |
190 | ||
7e57b85c MS |
191 | static int mlx4_ib_update_gids_v1_v2(struct gid_entry *gids, |
192 | struct mlx4_ib_dev *ibdev, | |
193 | u8 port_num) | |
194 | { | |
195 | struct mlx4_cmd_mailbox *mailbox; | |
196 | int err; | |
197 | struct mlx4_dev *dev = ibdev->dev; | |
198 | int i; | |
199 | struct { | |
200 | union ib_gid gid; | |
201 | __be32 rsrvd1[2]; | |
202 | __be16 rsrvd2; | |
203 | u8 type; | |
204 | u8 version; | |
205 | __be32 rsrvd3; | |
206 | } *gid_tbl; | |
207 | ||
208 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
209 | if (IS_ERR(mailbox)) | |
210 | return -ENOMEM; | |
211 | ||
212 | gid_tbl = mailbox->buf; | |
213 | for (i = 0; i < MLX4_MAX_PORT_GIDS; ++i) { | |
214 | memcpy(&gid_tbl[i].gid, &gids[i].gid, sizeof(union ib_gid)); | |
215 | if (gids[i].gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) { | |
216 | gid_tbl[i].version = 2; | |
217 | if (!ipv6_addr_v4mapped((struct in6_addr *)&gids[i].gid)) | |
218 | gid_tbl[i].type = 1; | |
219 | else | |
220 | memset(&gid_tbl[i].gid, 0, 12); | |
221 | } | |
222 | } | |
223 | ||
224 | err = mlx4_cmd(dev, mailbox->dma, | |
225 | MLX4_SET_PORT_ROCE_ADDR << 8 | port_num, | |
226 | 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, | |
227 | MLX4_CMD_WRAPPED); | |
228 | if (mlx4_is_bonded(dev)) | |
229 | err += mlx4_cmd(dev, mailbox->dma, | |
230 | MLX4_SET_PORT_ROCE_ADDR << 8 | 2, | |
231 | 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, | |
232 | MLX4_CMD_WRAPPED); | |
233 | ||
234 | mlx4_free_cmd_mailbox(dev, mailbox); | |
235 | return err; | |
236 | } | |
237 | ||
238 | static int mlx4_ib_update_gids(struct gid_entry *gids, | |
239 | struct mlx4_ib_dev *ibdev, | |
240 | u8 port_num) | |
241 | { | |
242 | if (ibdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2) | |
243 | return mlx4_ib_update_gids_v1_v2(gids, ibdev, port_num); | |
244 | ||
245 | return mlx4_ib_update_gids_v1(gids, ibdev, port_num); | |
246 | } | |
247 | ||
e26be1bf MS |
248 | static int mlx4_ib_add_gid(struct ib_device *device, |
249 | u8 port_num, | |
250 | unsigned int index, | |
251 | const union ib_gid *gid, | |
252 | const struct ib_gid_attr *attr, | |
253 | void **context) | |
254 | { | |
255 | struct mlx4_ib_dev *ibdev = to_mdev(device); | |
256 | struct mlx4_ib_iboe *iboe = &ibdev->iboe; | |
257 | struct mlx4_port_gid_table *port_gid_table; | |
258 | int free = -1, found = -1; | |
259 | int ret = 0; | |
260 | int hw_update = 0; | |
261 | int i; | |
262 | struct gid_entry *gids = NULL; | |
263 | ||
264 | if (!rdma_cap_roce_gid_table(device, port_num)) | |
265 | return -EINVAL; | |
266 | ||
267 | if (port_num > MLX4_MAX_PORTS) | |
268 | return -EINVAL; | |
269 | ||
270 | if (!context) | |
271 | return -EINVAL; | |
272 | ||
273 | port_gid_table = &iboe->gids[port_num - 1]; | |
274 | spin_lock_bh(&iboe->lock); | |
275 | for (i = 0; i < MLX4_MAX_PORT_GIDS; ++i) { | |
b699a859 MS |
276 | if (!memcmp(&port_gid_table->gids[i].gid, gid, sizeof(*gid)) && |
277 | (port_gid_table->gids[i].gid_type == attr->gid_type)) { | |
e26be1bf MS |
278 | found = i; |
279 | break; | |
280 | } | |
281 | if (free < 0 && !memcmp(&port_gid_table->gids[i].gid, &zgid, sizeof(*gid))) | |
282 | free = i; /* HW has space */ | |
283 | } | |
284 | ||
285 | if (found < 0) { | |
286 | if (free < 0) { | |
287 | ret = -ENOSPC; | |
288 | } else { | |
289 | port_gid_table->gids[free].ctx = kmalloc(sizeof(*port_gid_table->gids[free].ctx), GFP_ATOMIC); | |
290 | if (!port_gid_table->gids[free].ctx) { | |
291 | ret = -ENOMEM; | |
292 | } else { | |
293 | *context = port_gid_table->gids[free].ctx; | |
294 | memcpy(&port_gid_table->gids[free].gid, gid, sizeof(*gid)); | |
b699a859 | 295 | port_gid_table->gids[free].gid_type = attr->gid_type; |
e26be1bf MS |
296 | port_gid_table->gids[free].ctx->real_index = free; |
297 | port_gid_table->gids[free].ctx->refcount = 1; | |
298 | hw_update = 1; | |
299 | } | |
300 | } | |
301 | } else { | |
302 | struct gid_cache_context *ctx = port_gid_table->gids[found].ctx; | |
303 | *context = ctx; | |
304 | ctx->refcount++; | |
305 | } | |
306 | if (!ret && hw_update) { | |
307 | gids = kmalloc(sizeof(*gids) * MLX4_MAX_PORT_GIDS, GFP_ATOMIC); | |
308 | if (!gids) { | |
309 | ret = -ENOMEM; | |
310 | } else { | |
b699a859 | 311 | for (i = 0; i < MLX4_MAX_PORT_GIDS; i++) { |
e26be1bf | 312 | memcpy(&gids[i].gid, &port_gid_table->gids[i].gid, sizeof(union ib_gid)); |
b699a859 MS |
313 | gids[i].gid_type = port_gid_table->gids[i].gid_type; |
314 | } | |
e26be1bf MS |
315 | } |
316 | } | |
317 | spin_unlock_bh(&iboe->lock); | |
318 | ||
319 | if (!ret && hw_update) { | |
320 | ret = mlx4_ib_update_gids(gids, ibdev, port_num); | |
321 | kfree(gids); | |
322 | } | |
323 | ||
324 | return ret; | |
325 | } | |
326 | ||
327 | static int mlx4_ib_del_gid(struct ib_device *device, | |
328 | u8 port_num, | |
329 | unsigned int index, | |
330 | void **context) | |
331 | { | |
332 | struct gid_cache_context *ctx = *context; | |
333 | struct mlx4_ib_dev *ibdev = to_mdev(device); | |
334 | struct mlx4_ib_iboe *iboe = &ibdev->iboe; | |
335 | struct mlx4_port_gid_table *port_gid_table; | |
336 | int ret = 0; | |
337 | int hw_update = 0; | |
338 | struct gid_entry *gids = NULL; | |
339 | ||
340 | if (!rdma_cap_roce_gid_table(device, port_num)) | |
341 | return -EINVAL; | |
342 | ||
343 | if (port_num > MLX4_MAX_PORTS) | |
344 | return -EINVAL; | |
345 | ||
346 | port_gid_table = &iboe->gids[port_num - 1]; | |
347 | spin_lock_bh(&iboe->lock); | |
348 | if (ctx) { | |
349 | ctx->refcount--; | |
350 | if (!ctx->refcount) { | |
351 | unsigned int real_index = ctx->real_index; | |
352 | ||
353 | memcpy(&port_gid_table->gids[real_index].gid, &zgid, sizeof(zgid)); | |
354 | kfree(port_gid_table->gids[real_index].ctx); | |
355 | port_gid_table->gids[real_index].ctx = NULL; | |
356 | hw_update = 1; | |
357 | } | |
358 | } | |
359 | if (!ret && hw_update) { | |
360 | int i; | |
361 | ||
362 | gids = kmalloc(sizeof(*gids) * MLX4_MAX_PORT_GIDS, GFP_ATOMIC); | |
363 | if (!gids) { | |
364 | ret = -ENOMEM; | |
365 | } else { | |
366 | for (i = 0; i < MLX4_MAX_PORT_GIDS; i++) | |
367 | memcpy(&gids[i].gid, &port_gid_table->gids[i].gid, sizeof(union ib_gid)); | |
368 | } | |
369 | } | |
370 | spin_unlock_bh(&iboe->lock); | |
371 | ||
372 | if (!ret && hw_update) { | |
373 | ret = mlx4_ib_update_gids(gids, ibdev, port_num); | |
374 | kfree(gids); | |
375 | } | |
376 | return ret; | |
377 | } | |
378 | ||
379 | int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev, | |
380 | u8 port_num, int index) | |
381 | { | |
382 | struct mlx4_ib_iboe *iboe = &ibdev->iboe; | |
383 | struct gid_cache_context *ctx = NULL; | |
384 | union ib_gid gid; | |
385 | struct mlx4_port_gid_table *port_gid_table; | |
386 | int real_index = -EINVAL; | |
387 | int i; | |
388 | int ret; | |
389 | unsigned long flags; | |
b699a859 | 390 | struct ib_gid_attr attr; |
e26be1bf MS |
391 | |
392 | if (port_num > MLX4_MAX_PORTS) | |
393 | return -EINVAL; | |
394 | ||
395 | if (mlx4_is_bonded(ibdev->dev)) | |
396 | port_num = 1; | |
397 | ||
398 | if (!rdma_cap_roce_gid_table(&ibdev->ib_dev, port_num)) | |
399 | return index; | |
400 | ||
b699a859 | 401 | ret = ib_get_cached_gid(&ibdev->ib_dev, port_num, index, &gid, &attr); |
e26be1bf MS |
402 | if (ret) |
403 | return ret; | |
404 | ||
b699a859 MS |
405 | if (attr.ndev) |
406 | dev_put(attr.ndev); | |
407 | ||
e26be1bf MS |
408 | if (!memcmp(&gid, &zgid, sizeof(gid))) |
409 | return -EINVAL; | |
410 | ||
411 | spin_lock_irqsave(&iboe->lock, flags); | |
412 | port_gid_table = &iboe->gids[port_num - 1]; | |
413 | ||
414 | for (i = 0; i < MLX4_MAX_PORT_GIDS; ++i) | |
b699a859 MS |
415 | if (!memcmp(&port_gid_table->gids[i].gid, &gid, sizeof(gid)) && |
416 | attr.gid_type == port_gid_table->gids[i].gid_type) { | |
e26be1bf MS |
417 | ctx = port_gid_table->gids[i].ctx; |
418 | break; | |
419 | } | |
420 | if (ctx) | |
421 | real_index = ctx->real_index; | |
422 | spin_unlock_irqrestore(&iboe->lock, flags); | |
423 | return real_index; | |
424 | } | |
425 | ||
225c7b1f | 426 | static int mlx4_ib_query_device(struct ib_device *ibdev, |
2528e33e MB |
427 | struct ib_device_attr *props, |
428 | struct ib_udata *uhw) | |
225c7b1f RD |
429 | { |
430 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
431 | struct ib_smp *in_mad = NULL; | |
432 | struct ib_smp *out_mad = NULL; | |
46d0703f | 433 | int err; |
3dec4878 | 434 | int have_ib_ports; |
4b664c43 MB |
435 | struct mlx4_uverbs_ex_query_device cmd; |
436 | struct mlx4_uverbs_ex_query_device_resp resp = {.comp_mask = 0}; | |
437 | struct mlx4_clock_params clock_params; | |
225c7b1f | 438 | |
4b664c43 MB |
439 | if (uhw->inlen) { |
440 | if (uhw->inlen < sizeof(cmd)) | |
441 | return -EINVAL; | |
442 | ||
443 | err = ib_copy_from_udata(&cmd, uhw, sizeof(cmd)); | |
444 | if (err) | |
445 | return err; | |
446 | ||
447 | if (cmd.comp_mask) | |
448 | return -EINVAL; | |
449 | ||
450 | if (cmd.reserved) | |
451 | return -EINVAL; | |
452 | } | |
2528e33e | 453 | |
4b664c43 MB |
454 | resp.response_length = offsetof(typeof(resp), response_length) + |
455 | sizeof(resp.response_length); | |
225c7b1f RD |
456 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); |
457 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
46d0703f | 458 | err = -ENOMEM; |
225c7b1f RD |
459 | if (!in_mad || !out_mad) |
460 | goto out; | |
461 | ||
462 | init_query_mad(in_mad); | |
463 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; | |
464 | ||
0a9a0188 JM |
465 | err = mlx4_MAD_IFC(to_mdev(ibdev), MLX4_MAD_IFC_IGNORE_KEYS, |
466 | 1, NULL, NULL, in_mad, out_mad); | |
225c7b1f RD |
467 | if (err) |
468 | goto out; | |
469 | ||
470 | memset(props, 0, sizeof *props); | |
471 | ||
3dec4878 JM |
472 | have_ib_ports = num_ib_ports(dev->dev); |
473 | ||
225c7b1f RD |
474 | props->fw_ver = dev->dev->caps.fw_ver; |
475 | props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | | |
476 | IB_DEVICE_PORT_ACTIVE_EVENT | | |
477 | IB_DEVICE_SYS_IMAGE_GUID | | |
521e575b RL |
478 | IB_DEVICE_RC_RNR_NAK_GEN | |
479 | IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; | |
225c7b1f RD |
480 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR) |
481 | props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; | |
482 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR) | |
483 | props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; | |
3dec4878 | 484 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM && have_ib_ports) |
225c7b1f RD |
485 | props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; |
486 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT) | |
487 | props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; | |
8ff095ec EC |
488 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) |
489 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
50e2ec91 MS |
490 | if (dev->dev->caps.max_gso_sz && |
491 | (dev->dev->rev_id != MLX4_IB_CARD_REV_A0) && | |
492 | (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH)) | |
b832be1e | 493 | props->device_cap_flags |= IB_DEVICE_UD_TSO; |
95d04f07 RD |
494 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY) |
495 | props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY; | |
496 | if ((dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_LOCAL_INV) && | |
497 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) && | |
498 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR)) | |
499 | props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; | |
0a1405da SH |
500 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) |
501 | props->device_cap_flags |= IB_DEVICE_XRC; | |
b425388d SM |
502 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW) |
503 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW; | |
504 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { | |
505 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_WIN_TYPE_2B) | |
506 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2B; | |
507 | else | |
508 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2A; | |
509 | } | |
ca920f5b BVA |
510 | if (dev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) |
511 | props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; | |
225c7b1f | 512 | |
070b3997 BW |
513 | props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM; |
514 | ||
225c7b1f RD |
515 | props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) & |
516 | 0xffffff; | |
872bf2fb | 517 | props->vendor_part_id = dev->dev->persist->pdev->device; |
225c7b1f RD |
518 | props->hw_ver = be32_to_cpup((__be32 *) (out_mad->data + 32)); |
519 | memcpy(&props->sys_image_guid, out_mad->data + 4, 8); | |
520 | ||
521 | props->max_mr_size = ~0ull; | |
522 | props->page_size_cap = dev->dev->caps.page_size_cap; | |
5a0d0a61 | 523 | props->max_qp = dev->dev->quotas.qp; |
fc2d0044 | 524 | props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE; |
225c7b1f RD |
525 | props->max_sge = min(dev->dev->caps.max_sq_sg, |
526 | dev->dev->caps.max_rq_sg); | |
a5e14ba3 | 527 | props->max_sge_rd = MLX4_MAX_SGE_RD; |
5a0d0a61 | 528 | props->max_cq = dev->dev->quotas.cq; |
225c7b1f | 529 | props->max_cqe = dev->dev->caps.max_cqes; |
5a0d0a61 | 530 | props->max_mr = dev->dev->quotas.mpt; |
225c7b1f RD |
531 | props->max_pd = dev->dev->caps.num_pds - dev->dev->caps.reserved_pds; |
532 | props->max_qp_rd_atom = dev->dev->caps.max_qp_dest_rdma; | |
533 | props->max_qp_init_rd_atom = dev->dev->caps.max_qp_init_rdma; | |
534 | props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; | |
5a0d0a61 | 535 | props->max_srq = dev->dev->quotas.srq; |
c8681f14 | 536 | props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1; |
225c7b1f | 537 | props->max_srq_sge = dev->dev->caps.max_srq_sge; |
5a0fd094 | 538 | props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES; |
225c7b1f RD |
539 | props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay; |
540 | props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ? | |
541 | IB_ATOMIC_HCA : IB_ATOMIC_NONE; | |
47e956b2 | 542 | props->masked_atomic_cap = props->atomic_cap; |
5ae2a7a8 | 543 | props->max_pkeys = dev->dev->caps.pkey_table_len[1]; |
225c7b1f RD |
544 | props->max_mcast_grp = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms; |
545 | props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm; | |
546 | props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * | |
547 | props->max_mcast_grp; | |
a5bbe892 | 548 | props->max_map_per_fmr = dev->dev->caps.max_fmr_maps; |
4b664c43 MB |
549 | props->hca_core_clock = dev->dev->caps.hca_core_clock * 1000UL; |
550 | props->timestamp_mask = 0xFFFFFFFFFFFFULL; | |
731e0415 | 551 | props->max_ah = INT_MAX; |
225c7b1f | 552 | |
8a7ff14d MB |
553 | if (!mlx4_is_slave(dev->dev)) |
554 | err = mlx4_get_internal_clock_params(dev->dev, &clock_params); | |
4b664c43 MB |
555 | |
556 | if (uhw->outlen >= resp.response_length + sizeof(resp.hca_core_clock_offset)) { | |
4b664c43 | 557 | resp.response_length += sizeof(resp.hca_core_clock_offset); |
8a7ff14d MB |
558 | if (!err && !mlx4_is_slave(dev->dev)) { |
559 | resp.comp_mask |= QUERY_DEVICE_RESP_MASK_TIMESTAMP; | |
560 | resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE; | |
561 | } | |
4b664c43 MB |
562 | } |
563 | ||
564 | if (uhw->outlen) { | |
565 | err = ib_copy_to_udata(uhw, &resp, resp.response_length); | |
566 | if (err) | |
567 | goto out; | |
568 | } | |
225c7b1f RD |
569 | out: |
570 | kfree(in_mad); | |
571 | kfree(out_mad); | |
572 | ||
573 | return err; | |
574 | } | |
575 | ||
fa417f7b EC |
576 | static enum rdma_link_layer |
577 | mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num) | |
225c7b1f | 578 | { |
fa417f7b | 579 | struct mlx4_dev *dev = to_mdev(device)->dev; |
225c7b1f | 580 | |
65dab25d | 581 | return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ? |
fa417f7b EC |
582 | IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET; |
583 | } | |
225c7b1f | 584 | |
fa417f7b | 585 | static int ib_link_query_port(struct ib_device *ibdev, u8 port, |
0a9a0188 | 586 | struct ib_port_attr *props, int netw_view) |
fa417f7b | 587 | { |
a9c766bb OG |
588 | struct ib_smp *in_mad = NULL; |
589 | struct ib_smp *out_mad = NULL; | |
a5e12dff | 590 | int ext_active_speed; |
0a9a0188 | 591 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
a9c766bb OG |
592 | int err = -ENOMEM; |
593 | ||
594 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
595 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
596 | if (!in_mad || !out_mad) | |
597 | goto out; | |
598 | ||
599 | init_query_mad(in_mad); | |
600 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; | |
601 | in_mad->attr_mod = cpu_to_be32(port); | |
602 | ||
0a9a0188 JM |
603 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) |
604 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
605 | ||
606 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, | |
a9c766bb OG |
607 | in_mad, out_mad); |
608 | if (err) | |
609 | goto out; | |
610 | ||
a5e12dff | 611 | |
225c7b1f RD |
612 | props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16)); |
613 | props->lmc = out_mad->data[34] & 0x7; | |
614 | props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18)); | |
615 | props->sm_sl = out_mad->data[36] & 0xf; | |
616 | props->state = out_mad->data[32] & 0xf; | |
617 | props->phys_state = out_mad->data[33] >> 4; | |
618 | props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20)); | |
0a9a0188 JM |
619 | if (netw_view) |
620 | props->gid_tbl_len = out_mad->data[50]; | |
621 | else | |
622 | props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port]; | |
149983af | 623 | props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz; |
5ae2a7a8 | 624 | props->pkey_tbl_len = to_mdev(ibdev)->dev->caps.pkey_table_len[port]; |
225c7b1f RD |
625 | props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46)); |
626 | props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48)); | |
627 | props->active_width = out_mad->data[31] & 0xf; | |
628 | props->active_speed = out_mad->data[35] >> 4; | |
629 | props->max_mtu = out_mad->data[41] & 0xf; | |
630 | props->active_mtu = out_mad->data[36] >> 4; | |
631 | props->subnet_timeout = out_mad->data[51] & 0x1f; | |
632 | props->max_vl_num = out_mad->data[37] >> 4; | |
633 | props->init_type_reply = out_mad->data[41] >> 4; | |
634 | ||
a5e12dff MA |
635 | /* Check if extended speeds (EDR/FDR/...) are supported */ |
636 | if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) { | |
637 | ext_active_speed = out_mad->data[62] >> 4; | |
638 | ||
639 | switch (ext_active_speed) { | |
640 | case 1: | |
2e96691c | 641 | props->active_speed = IB_SPEED_FDR; |
a5e12dff MA |
642 | break; |
643 | case 2: | |
2e96691c | 644 | props->active_speed = IB_SPEED_EDR; |
a5e12dff MA |
645 | break; |
646 | } | |
647 | } | |
648 | ||
649 | /* If reported active speed is QDR, check if is FDR-10 */ | |
2e96691c | 650 | if (props->active_speed == IB_SPEED_QDR) { |
8154c07f OG |
651 | init_query_mad(in_mad); |
652 | in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO; | |
653 | in_mad->attr_mod = cpu_to_be32(port); | |
654 | ||
0a9a0188 | 655 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, |
8154c07f OG |
656 | NULL, NULL, in_mad, out_mad); |
657 | if (err) | |
bf6b47de | 658 | goto out; |
8154c07f OG |
659 | |
660 | /* Checking LinkSpeedActive for FDR-10 */ | |
661 | if (out_mad->data[15] & 0x1) | |
662 | props->active_speed = IB_SPEED_FDR10; | |
a5e12dff | 663 | } |
d2ef4068 OG |
664 | |
665 | /* Avoid wrong speed value returned by FW if the IB link is down. */ | |
666 | if (props->state == IB_PORT_DOWN) | |
667 | props->active_speed = IB_SPEED_SDR; | |
668 | ||
a9c766bb OG |
669 | out: |
670 | kfree(in_mad); | |
671 | kfree(out_mad); | |
672 | return err; | |
fa417f7b EC |
673 | } |
674 | ||
675 | static u8 state_to_phys_state(enum ib_port_state state) | |
676 | { | |
677 | return state == IB_PORT_ACTIVE ? 5 : 3; | |
678 | } | |
679 | ||
680 | static int eth_link_query_port(struct ib_device *ibdev, u8 port, | |
0a9a0188 | 681 | struct ib_port_attr *props, int netw_view) |
fa417f7b | 682 | { |
a9c766bb OG |
683 | |
684 | struct mlx4_ib_dev *mdev = to_mdev(ibdev); | |
685 | struct mlx4_ib_iboe *iboe = &mdev->iboe; | |
fa417f7b EC |
686 | struct net_device *ndev; |
687 | enum ib_mtu tmp; | |
a9c766bb OG |
688 | struct mlx4_cmd_mailbox *mailbox; |
689 | int err = 0; | |
a5750090 | 690 | int is_bonded = mlx4_is_bonded(mdev->dev); |
a9c766bb OG |
691 | |
692 | mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); | |
693 | if (IS_ERR(mailbox)) | |
694 | return PTR_ERR(mailbox); | |
fa417f7b | 695 | |
a9c766bb OG |
696 | err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0, |
697 | MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, | |
698 | MLX4_CMD_WRAPPED); | |
699 | if (err) | |
700 | goto out; | |
701 | ||
6fa26208 SM |
702 | props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) || |
703 | (((u8 *)mailbox->buf)[5] == 0x20 /*56Gb*/) ? | |
704 | IB_WIDTH_4X : IB_WIDTH_1X; | |
705 | props->active_speed = (((u8 *)mailbox->buf)[5] == 0x20 /*56Gb*/) ? | |
706 | IB_SPEED_FDR : IB_SPEED_QDR; | |
b4a26a27 | 707 | props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS; |
a9c766bb OG |
708 | props->gid_tbl_len = mdev->dev->caps.gid_table_len[port]; |
709 | props->max_msg_sz = mdev->dev->caps.max_msg_sz; | |
fa417f7b | 710 | props->pkey_tbl_len = 1; |
bcacb897 | 711 | props->max_mtu = IB_MTU_4096; |
a9c766bb | 712 | props->max_vl_num = 2; |
fa417f7b EC |
713 | props->state = IB_PORT_DOWN; |
714 | props->phys_state = state_to_phys_state(props->state); | |
715 | props->active_mtu = IB_MTU_256; | |
dba3ad2a | 716 | spin_lock_bh(&iboe->lock); |
fa417f7b | 717 | ndev = iboe->netdevs[port - 1]; |
5070cd22 MS |
718 | if (ndev && is_bonded) { |
719 | rcu_read_lock(); /* required to get upper dev */ | |
720 | ndev = netdev_master_upper_dev_get_rcu(ndev); | |
721 | rcu_read_unlock(); | |
722 | } | |
fa417f7b | 723 | if (!ndev) |
a9c766bb | 724 | goto out_unlock; |
fa417f7b EC |
725 | |
726 | tmp = iboe_get_mtu(ndev->mtu); | |
727 | props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256; | |
728 | ||
21d60609 | 729 | props->state = (netif_running(ndev) && netif_carrier_ok(ndev)) ? |
fa417f7b EC |
730 | IB_PORT_ACTIVE : IB_PORT_DOWN; |
731 | props->phys_state = state_to_phys_state(props->state); | |
a9c766bb | 732 | out_unlock: |
dba3ad2a | 733 | spin_unlock_bh(&iboe->lock); |
a9c766bb OG |
734 | out: |
735 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
736 | return err; | |
fa417f7b EC |
737 | } |
738 | ||
0a9a0188 JM |
739 | int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, |
740 | struct ib_port_attr *props, int netw_view) | |
fa417f7b | 741 | { |
a9c766bb | 742 | int err; |
fa417f7b EC |
743 | |
744 | memset(props, 0, sizeof *props); | |
745 | ||
fa417f7b | 746 | err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ? |
0a9a0188 JM |
747 | ib_link_query_port(ibdev, port, props, netw_view) : |
748 | eth_link_query_port(ibdev, port, props, netw_view); | |
225c7b1f RD |
749 | |
750 | return err; | |
751 | } | |
752 | ||
0a9a0188 JM |
753 | static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, |
754 | struct ib_port_attr *props) | |
755 | { | |
756 | /* returns host view */ | |
757 | return __mlx4_ib_query_port(ibdev, port, props, 0); | |
758 | } | |
759 | ||
a0c64a17 JM |
760 | int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
761 | union ib_gid *gid, int netw_view) | |
225c7b1f RD |
762 | { |
763 | struct ib_smp *in_mad = NULL; | |
764 | struct ib_smp *out_mad = NULL; | |
765 | int err = -ENOMEM; | |
a0c64a17 JM |
766 | struct mlx4_ib_dev *dev = to_mdev(ibdev); |
767 | int clear = 0; | |
768 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; | |
225c7b1f RD |
769 | |
770 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
771 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
772 | if (!in_mad || !out_mad) | |
773 | goto out; | |
774 | ||
775 | init_query_mad(in_mad); | |
776 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; | |
777 | in_mad->attr_mod = cpu_to_be32(port); | |
778 | ||
a0c64a17 JM |
779 | if (mlx4_is_mfunc(dev->dev) && netw_view) |
780 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
781 | ||
782 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, NULL, NULL, in_mad, out_mad); | |
225c7b1f RD |
783 | if (err) |
784 | goto out; | |
785 | ||
786 | memcpy(gid->raw, out_mad->data + 8, 8); | |
787 | ||
a0c64a17 JM |
788 | if (mlx4_is_mfunc(dev->dev) && !netw_view) { |
789 | if (index) { | |
790 | /* For any index > 0, return the null guid */ | |
791 | err = 0; | |
792 | clear = 1; | |
793 | goto out; | |
794 | } | |
795 | } | |
796 | ||
225c7b1f RD |
797 | init_query_mad(in_mad); |
798 | in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; | |
799 | in_mad->attr_mod = cpu_to_be32(index / 8); | |
800 | ||
a0c64a17 | 801 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, |
0a9a0188 | 802 | NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
803 | if (err) |
804 | goto out; | |
805 | ||
806 | memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); | |
807 | ||
808 | out: | |
a0c64a17 JM |
809 | if (clear) |
810 | memset(gid->raw + 8, 0, 8); | |
225c7b1f RD |
811 | kfree(in_mad); |
812 | kfree(out_mad); | |
813 | return err; | |
814 | } | |
815 | ||
fa417f7b EC |
816 | static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
817 | union ib_gid *gid) | |
818 | { | |
5070cd22 MS |
819 | int ret; |
820 | ||
821 | if (rdma_protocol_ib(ibdev, port)) | |
a0c64a17 | 822 | return __mlx4_ib_query_gid(ibdev, port, index, gid, 0); |
5070cd22 MS |
823 | |
824 | if (!rdma_protocol_roce(ibdev, port)) | |
825 | return -ENODEV; | |
826 | ||
827 | if (!rdma_cap_roce_gid_table(ibdev, port)) | |
828 | return -ENODEV; | |
829 | ||
55ee3ab2 | 830 | ret = ib_get_cached_gid(ibdev, port, index, gid, NULL); |
5070cd22 MS |
831 | if (ret == -EAGAIN) { |
832 | memcpy(gid, &zgid, sizeof(*gid)); | |
833 | return 0; | |
834 | } | |
835 | ||
836 | return ret; | |
fa417f7b EC |
837 | } |
838 | ||
fd10ed8e JM |
839 | static int mlx4_ib_query_sl2vl(struct ib_device *ibdev, u8 port, u64 *sl2vl_tbl) |
840 | { | |
841 | union sl2vl_tbl_to_u64 sl2vl64; | |
842 | struct ib_smp *in_mad = NULL; | |
843 | struct ib_smp *out_mad = NULL; | |
844 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; | |
845 | int err = -ENOMEM; | |
846 | int jj; | |
847 | ||
848 | if (mlx4_is_slave(to_mdev(ibdev)->dev)) { | |
849 | *sl2vl_tbl = 0; | |
850 | return 0; | |
851 | } | |
852 | ||
853 | in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); | |
854 | out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); | |
855 | if (!in_mad || !out_mad) | |
856 | goto out; | |
857 | ||
858 | init_query_mad(in_mad); | |
859 | in_mad->attr_id = IB_SMP_ATTR_SL_TO_VL_TABLE; | |
860 | in_mad->attr_mod = 0; | |
861 | ||
862 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev)) | |
863 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
864 | ||
865 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, | |
866 | in_mad, out_mad); | |
867 | if (err) | |
868 | goto out; | |
869 | ||
870 | for (jj = 0; jj < 8; jj++) | |
871 | sl2vl64.sl8[jj] = ((struct ib_smp *)out_mad)->data[jj]; | |
872 | *sl2vl_tbl = sl2vl64.sl64; | |
873 | ||
874 | out: | |
875 | kfree(in_mad); | |
876 | kfree(out_mad); | |
877 | return err; | |
878 | } | |
879 | ||
880 | static void mlx4_init_sl2vl_tbl(struct mlx4_ib_dev *mdev) | |
881 | { | |
882 | u64 sl2vl; | |
883 | int i; | |
884 | int err; | |
885 | ||
886 | for (i = 1; i <= mdev->dev->caps.num_ports; i++) { | |
887 | if (mdev->dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) | |
888 | continue; | |
889 | err = mlx4_ib_query_sl2vl(&mdev->ib_dev, i, &sl2vl); | |
890 | if (err) { | |
891 | pr_err("Unable to get default sl to vl mapping for port %d. Using all zeroes (%d)\n", | |
892 | i, err); | |
893 | sl2vl = 0; | |
894 | } | |
895 | atomic64_set(&mdev->sl2vl[i - 1], sl2vl); | |
896 | } | |
897 | } | |
898 | ||
0a9a0188 JM |
899 | int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, |
900 | u16 *pkey, int netw_view) | |
225c7b1f RD |
901 | { |
902 | struct ib_smp *in_mad = NULL; | |
903 | struct ib_smp *out_mad = NULL; | |
0a9a0188 | 904 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
225c7b1f RD |
905 | int err = -ENOMEM; |
906 | ||
907 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
908 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
909 | if (!in_mad || !out_mad) | |
910 | goto out; | |
911 | ||
912 | init_query_mad(in_mad); | |
913 | in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; | |
914 | in_mad->attr_mod = cpu_to_be32(index / 32); | |
915 | ||
0a9a0188 JM |
916 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) |
917 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
918 | ||
919 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, | |
920 | in_mad, out_mad); | |
225c7b1f RD |
921 | if (err) |
922 | goto out; | |
923 | ||
924 | *pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]); | |
925 | ||
926 | out: | |
927 | kfree(in_mad); | |
928 | kfree(out_mad); | |
929 | return err; | |
930 | } | |
931 | ||
0a9a0188 JM |
932 | static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey) |
933 | { | |
934 | return __mlx4_ib_query_pkey(ibdev, port, index, pkey, 0); | |
935 | } | |
936 | ||
225c7b1f RD |
937 | static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, |
938 | struct ib_device_modify *props) | |
939 | { | |
d0d68b86 | 940 | struct mlx4_cmd_mailbox *mailbox; |
df7fba66 | 941 | unsigned long flags; |
d0d68b86 | 942 | |
225c7b1f RD |
943 | if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) |
944 | return -EOPNOTSUPP; | |
945 | ||
d0d68b86 JM |
946 | if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) |
947 | return 0; | |
948 | ||
992e8e6e JM |
949 | if (mlx4_is_slave(to_mdev(ibdev)->dev)) |
950 | return -EOPNOTSUPP; | |
951 | ||
df7fba66 | 952 | spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags); |
bd99fdea | 953 | memcpy(ibdev->node_desc, props->node_desc, IB_DEVICE_NODE_DESC_MAX); |
df7fba66 | 954 | spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags); |
d0d68b86 JM |
955 | |
956 | /* | |
957 | * If possible, pass node desc to FW, so it can generate | |
958 | * a 144 trap. If cmd fails, just ignore. | |
959 | */ | |
960 | mailbox = mlx4_alloc_cmd_mailbox(to_mdev(ibdev)->dev); | |
961 | if (IS_ERR(mailbox)) | |
962 | return 0; | |
963 | ||
bd99fdea | 964 | memcpy(mailbox->buf, props->node_desc, IB_DEVICE_NODE_DESC_MAX); |
d0d68b86 | 965 | mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0, |
992e8e6e | 966 | MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
d0d68b86 JM |
967 | |
968 | mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox); | |
225c7b1f RD |
969 | |
970 | return 0; | |
971 | } | |
972 | ||
61565013 JM |
973 | static int mlx4_ib_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols, |
974 | u32 cap_mask) | |
225c7b1f RD |
975 | { |
976 | struct mlx4_cmd_mailbox *mailbox; | |
977 | int err; | |
978 | ||
979 | mailbox = mlx4_alloc_cmd_mailbox(dev->dev); | |
980 | if (IS_ERR(mailbox)) | |
981 | return PTR_ERR(mailbox); | |
982 | ||
5ae2a7a8 RD |
983 | if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { |
984 | *(u8 *) mailbox->buf = !!reset_qkey_viols << 6; | |
985 | ((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask); | |
986 | } else { | |
987 | ((u8 *) mailbox->buf)[3] = !!reset_qkey_viols; | |
988 | ((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask); | |
989 | } | |
225c7b1f | 990 | |
a130b590 IS |
991 | err = mlx4_cmd(dev->dev, mailbox->dma, port, MLX4_SET_PORT_IB_OPCODE, |
992 | MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, | |
993 | MLX4_CMD_WRAPPED); | |
225c7b1f RD |
994 | |
995 | mlx4_free_cmd_mailbox(dev->dev, mailbox); | |
996 | return err; | |
997 | } | |
998 | ||
999 | static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, | |
1000 | struct ib_port_modify *props) | |
1001 | { | |
61565013 JM |
1002 | struct mlx4_ib_dev *mdev = to_mdev(ibdev); |
1003 | u8 is_eth = mdev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH; | |
225c7b1f RD |
1004 | struct ib_port_attr attr; |
1005 | u32 cap_mask; | |
1006 | int err; | |
1007 | ||
61565013 JM |
1008 | /* return OK if this is RoCE. CM calls ib_modify_port() regardless |
1009 | * of whether port link layer is ETH or IB. For ETH ports, qkey | |
1010 | * violations and port capabilities are not meaningful. | |
1011 | */ | |
1012 | if (is_eth) | |
1013 | return 0; | |
1014 | ||
1015 | mutex_lock(&mdev->cap_mask_mutex); | |
225c7b1f RD |
1016 | |
1017 | err = mlx4_ib_query_port(ibdev, port, &attr); | |
1018 | if (err) | |
1019 | goto out; | |
1020 | ||
1021 | cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) & | |
1022 | ~props->clr_port_cap_mask; | |
1023 | ||
61565013 JM |
1024 | err = mlx4_ib_SET_PORT(mdev, port, |
1025 | !!(mask & IB_PORT_RESET_QKEY_CNTR), | |
1026 | cap_mask); | |
225c7b1f RD |
1027 | |
1028 | out: | |
1029 | mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex); | |
1030 | return err; | |
1031 | } | |
1032 | ||
1033 | static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev, | |
1034 | struct ib_udata *udata) | |
1035 | { | |
1036 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
1037 | struct mlx4_ib_ucontext *context; | |
08ff3235 | 1038 | struct mlx4_ib_alloc_ucontext_resp_v3 resp_v3; |
225c7b1f RD |
1039 | struct mlx4_ib_alloc_ucontext_resp resp; |
1040 | int err; | |
1041 | ||
3b4a8cd5 JM |
1042 | if (!dev->ib_active) |
1043 | return ERR_PTR(-EAGAIN); | |
1044 | ||
08ff3235 OG |
1045 | if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) { |
1046 | resp_v3.qp_tab_size = dev->dev->caps.num_qps; | |
1047 | resp_v3.bf_reg_size = dev->dev->caps.bf_reg_size; | |
1048 | resp_v3.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; | |
1049 | } else { | |
1050 | resp.dev_caps = dev->dev->caps.userspace_caps; | |
1051 | resp.qp_tab_size = dev->dev->caps.num_qps; | |
1052 | resp.bf_reg_size = dev->dev->caps.bf_reg_size; | |
1053 | resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; | |
1054 | resp.cqe_size = dev->dev->caps.cqe_size; | |
1055 | } | |
225c7b1f | 1056 | |
ae184dde | 1057 | context = kzalloc(sizeof(*context), GFP_KERNEL); |
225c7b1f RD |
1058 | if (!context) |
1059 | return ERR_PTR(-ENOMEM); | |
1060 | ||
1061 | err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar); | |
1062 | if (err) { | |
1063 | kfree(context); | |
1064 | return ERR_PTR(err); | |
1065 | } | |
1066 | ||
1067 | INIT_LIST_HEAD(&context->db_page_list); | |
1068 | mutex_init(&context->db_page_mutex); | |
1069 | ||
08ff3235 OG |
1070 | if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) |
1071 | err = ib_copy_to_udata(udata, &resp_v3, sizeof(resp_v3)); | |
1072 | else | |
1073 | err = ib_copy_to_udata(udata, &resp, sizeof(resp)); | |
1074 | ||
225c7b1f RD |
1075 | if (err) { |
1076 | mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar); | |
1077 | kfree(context); | |
1078 | return ERR_PTR(-EFAULT); | |
1079 | } | |
1080 | ||
1081 | return &context->ibucontext; | |
1082 | } | |
1083 | ||
1084 | static int mlx4_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) | |
1085 | { | |
1086 | struct mlx4_ib_ucontext *context = to_mucontext(ibcontext); | |
1087 | ||
1088 | mlx4_uar_free(to_mdev(ibcontext->device)->dev, &context->uar); | |
1089 | kfree(context); | |
1090 | ||
1091 | return 0; | |
1092 | } | |
1093 | ||
ae184dde YH |
1094 | static void mlx4_ib_vma_open(struct vm_area_struct *area) |
1095 | { | |
1096 | /* vma_open is called when a new VMA is created on top of our VMA. | |
1097 | * This is done through either mremap flow or split_vma (usually due | |
1098 | * to mlock, madvise, munmap, etc.). We do not support a clone of the | |
1099 | * vma, as this VMA is strongly hardware related. Therefore we set the | |
1100 | * vm_ops of the newly created/cloned VMA to NULL, to prevent it from | |
1101 | * calling us again and trying to do incorrect actions. We assume that | |
1102 | * the original vma size is exactly a single page that there will be no | |
1103 | * "splitting" operations on. | |
1104 | */ | |
1105 | area->vm_ops = NULL; | |
1106 | } | |
1107 | ||
1108 | static void mlx4_ib_vma_close(struct vm_area_struct *area) | |
1109 | { | |
1110 | struct mlx4_ib_vma_private_data *mlx4_ib_vma_priv_data; | |
1111 | ||
1112 | /* It's guaranteed that all VMAs opened on a FD are closed before the | |
1113 | * file itself is closed, therefore no sync is needed with the regular | |
1114 | * closing flow. (e.g. mlx4_ib_dealloc_ucontext) However need a sync | |
1115 | * with accessing the vma as part of mlx4_ib_disassociate_ucontext. | |
1116 | * The close operation is usually called under mm->mmap_sem except when | |
1117 | * process is exiting. The exiting case is handled explicitly as part | |
1118 | * of mlx4_ib_disassociate_ucontext. | |
1119 | */ | |
1120 | mlx4_ib_vma_priv_data = (struct mlx4_ib_vma_private_data *) | |
1121 | area->vm_private_data; | |
1122 | ||
1123 | /* set the vma context pointer to null in the mlx4_ib driver's private | |
1124 | * data to protect against a race condition in mlx4_ib_dissassociate_ucontext(). | |
1125 | */ | |
1126 | mlx4_ib_vma_priv_data->vma = NULL; | |
1127 | } | |
1128 | ||
1129 | static const struct vm_operations_struct mlx4_ib_vm_ops = { | |
1130 | .open = mlx4_ib_vma_open, | |
1131 | .close = mlx4_ib_vma_close | |
1132 | }; | |
1133 | ||
1134 | static void mlx4_ib_disassociate_ucontext(struct ib_ucontext *ibcontext) | |
1135 | { | |
1136 | int i; | |
1137 | int ret = 0; | |
1138 | struct vm_area_struct *vma; | |
1139 | struct mlx4_ib_ucontext *context = to_mucontext(ibcontext); | |
1140 | struct task_struct *owning_process = NULL; | |
1141 | struct mm_struct *owning_mm = NULL; | |
1142 | ||
1143 | owning_process = get_pid_task(ibcontext->tgid, PIDTYPE_PID); | |
1144 | if (!owning_process) | |
1145 | return; | |
1146 | ||
1147 | owning_mm = get_task_mm(owning_process); | |
1148 | if (!owning_mm) { | |
1149 | pr_info("no mm, disassociate ucontext is pending task termination\n"); | |
1150 | while (1) { | |
1151 | /* make sure that task is dead before returning, it may | |
1152 | * prevent a rare case of module down in parallel to a | |
1153 | * call to mlx4_ib_vma_close. | |
1154 | */ | |
1155 | put_task_struct(owning_process); | |
1156 | msleep(1); | |
1157 | owning_process = get_pid_task(ibcontext->tgid, | |
1158 | PIDTYPE_PID); | |
1159 | if (!owning_process || | |
1160 | owning_process->state == TASK_DEAD) { | |
1161 | pr_info("disassociate ucontext done, task was terminated\n"); | |
1162 | /* in case task was dead need to release the task struct */ | |
1163 | if (owning_process) | |
1164 | put_task_struct(owning_process); | |
1165 | return; | |
1166 | } | |
1167 | } | |
1168 | } | |
1169 | ||
1170 | /* need to protect from a race on closing the vma as part of | |
1171 | * mlx4_ib_vma_close(). | |
1172 | */ | |
1173 | down_read(&owning_mm->mmap_sem); | |
1174 | for (i = 0; i < HW_BAR_COUNT; i++) { | |
1175 | vma = context->hw_bar_info[i].vma; | |
1176 | if (!vma) | |
1177 | continue; | |
1178 | ||
1179 | ret = zap_vma_ptes(context->hw_bar_info[i].vma, | |
1180 | context->hw_bar_info[i].vma->vm_start, | |
1181 | PAGE_SIZE); | |
1182 | if (ret) { | |
1183 | pr_err("Error: zap_vma_ptes failed for index=%d, ret=%d\n", i, ret); | |
1184 | BUG_ON(1); | |
1185 | } | |
1186 | ||
1187 | /* context going to be destroyed, should not access ops any more */ | |
1188 | context->hw_bar_info[i].vma->vm_ops = NULL; | |
1189 | } | |
1190 | ||
1191 | up_read(&owning_mm->mmap_sem); | |
1192 | mmput(owning_mm); | |
1193 | put_task_struct(owning_process); | |
1194 | } | |
1195 | ||
1196 | static void mlx4_ib_set_vma_data(struct vm_area_struct *vma, | |
1197 | struct mlx4_ib_vma_private_data *vma_private_data) | |
1198 | { | |
1199 | vma_private_data->vma = vma; | |
1200 | vma->vm_private_data = vma_private_data; | |
1201 | vma->vm_ops = &mlx4_ib_vm_ops; | |
1202 | } | |
1203 | ||
225c7b1f RD |
1204 | static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) |
1205 | { | |
1206 | struct mlx4_ib_dev *dev = to_mdev(context->device); | |
ae184dde | 1207 | struct mlx4_ib_ucontext *mucontext = to_mucontext(context); |
225c7b1f RD |
1208 | |
1209 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) | |
1210 | return -EINVAL; | |
1211 | ||
1212 | if (vma->vm_pgoff == 0) { | |
ae184dde YH |
1213 | /* We prevent double mmaping on same context */ |
1214 | if (mucontext->hw_bar_info[HW_BAR_DB].vma) | |
1215 | return -EINVAL; | |
1216 | ||
225c7b1f RD |
1217 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); |
1218 | ||
1219 | if (io_remap_pfn_range(vma, vma->vm_start, | |
1220 | to_mucontext(context)->uar.pfn, | |
1221 | PAGE_SIZE, vma->vm_page_prot)) | |
1222 | return -EAGAIN; | |
ae184dde YH |
1223 | |
1224 | mlx4_ib_set_vma_data(vma, &mucontext->hw_bar_info[HW_BAR_DB]); | |
1225 | ||
225c7b1f | 1226 | } else if (vma->vm_pgoff == 1 && dev->dev->caps.bf_reg_size != 0) { |
ae184dde YH |
1227 | /* We prevent double mmaping on same context */ |
1228 | if (mucontext->hw_bar_info[HW_BAR_BF].vma) | |
1229 | return -EINVAL; | |
1230 | ||
e1d60ec6 | 1231 | vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); |
225c7b1f RD |
1232 | |
1233 | if (io_remap_pfn_range(vma, vma->vm_start, | |
1234 | to_mucontext(context)->uar.pfn + | |
1235 | dev->dev->caps.num_uars, | |
1236 | PAGE_SIZE, vma->vm_page_prot)) | |
1237 | return -EAGAIN; | |
ae184dde YH |
1238 | |
1239 | mlx4_ib_set_vma_data(vma, &mucontext->hw_bar_info[HW_BAR_BF]); | |
1240 | ||
52033cfb MB |
1241 | } else if (vma->vm_pgoff == 3) { |
1242 | struct mlx4_clock_params params; | |
ae184dde YH |
1243 | int ret; |
1244 | ||
1245 | /* We prevent double mmaping on same context */ | |
1246 | if (mucontext->hw_bar_info[HW_BAR_CLOCK].vma) | |
1247 | return -EINVAL; | |
1248 | ||
1249 | ret = mlx4_get_internal_clock_params(dev->dev, ¶ms); | |
52033cfb MB |
1250 | |
1251 | if (ret) | |
1252 | return ret; | |
1253 | ||
1254 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); | |
1255 | if (io_remap_pfn_range(vma, vma->vm_start, | |
1256 | (pci_resource_start(dev->dev->persist->pdev, | |
1257 | params.bar) + | |
1258 | params.offset) | |
1259 | >> PAGE_SHIFT, | |
1260 | PAGE_SIZE, vma->vm_page_prot)) | |
1261 | return -EAGAIN; | |
ae184dde YH |
1262 | |
1263 | mlx4_ib_set_vma_data(vma, | |
1264 | &mucontext->hw_bar_info[HW_BAR_CLOCK]); | |
52033cfb | 1265 | } else { |
225c7b1f | 1266 | return -EINVAL; |
52033cfb | 1267 | } |
225c7b1f RD |
1268 | |
1269 | return 0; | |
1270 | } | |
1271 | ||
1272 | static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev, | |
1273 | struct ib_ucontext *context, | |
1274 | struct ib_udata *udata) | |
1275 | { | |
1276 | struct mlx4_ib_pd *pd; | |
1277 | int err; | |
1278 | ||
1279 | pd = kmalloc(sizeof *pd, GFP_KERNEL); | |
1280 | if (!pd) | |
1281 | return ERR_PTR(-ENOMEM); | |
1282 | ||
1283 | err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn); | |
1284 | if (err) { | |
1285 | kfree(pd); | |
1286 | return ERR_PTR(err); | |
1287 | } | |
1288 | ||
1289 | if (context) | |
1290 | if (ib_copy_to_udata(udata, &pd->pdn, sizeof (__u32))) { | |
1291 | mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn); | |
1292 | kfree(pd); | |
1293 | return ERR_PTR(-EFAULT); | |
1294 | } | |
1295 | ||
1296 | return &pd->ibpd; | |
1297 | } | |
1298 | ||
1299 | static int mlx4_ib_dealloc_pd(struct ib_pd *pd) | |
1300 | { | |
1301 | mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn); | |
1302 | kfree(pd); | |
1303 | ||
1304 | return 0; | |
1305 | } | |
1306 | ||
012a8ff5 SH |
1307 | static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev, |
1308 | struct ib_ucontext *context, | |
1309 | struct ib_udata *udata) | |
1310 | { | |
1311 | struct mlx4_ib_xrcd *xrcd; | |
8e37210b | 1312 | struct ib_cq_init_attr cq_attr = {}; |
012a8ff5 SH |
1313 | int err; |
1314 | ||
1315 | if (!(to_mdev(ibdev)->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC)) | |
1316 | return ERR_PTR(-ENOSYS); | |
1317 | ||
1318 | xrcd = kmalloc(sizeof *xrcd, GFP_KERNEL); | |
1319 | if (!xrcd) | |
1320 | return ERR_PTR(-ENOMEM); | |
1321 | ||
1322 | err = mlx4_xrcd_alloc(to_mdev(ibdev)->dev, &xrcd->xrcdn); | |
1323 | if (err) | |
1324 | goto err1; | |
1325 | ||
ed082d36 | 1326 | xrcd->pd = ib_alloc_pd(ibdev, 0); |
012a8ff5 SH |
1327 | if (IS_ERR(xrcd->pd)) { |
1328 | err = PTR_ERR(xrcd->pd); | |
1329 | goto err2; | |
1330 | } | |
1331 | ||
8e37210b MB |
1332 | cq_attr.cqe = 1; |
1333 | xrcd->cq = ib_create_cq(ibdev, NULL, NULL, xrcd, &cq_attr); | |
012a8ff5 SH |
1334 | if (IS_ERR(xrcd->cq)) { |
1335 | err = PTR_ERR(xrcd->cq); | |
1336 | goto err3; | |
1337 | } | |
1338 | ||
1339 | return &xrcd->ibxrcd; | |
1340 | ||
1341 | err3: | |
1342 | ib_dealloc_pd(xrcd->pd); | |
1343 | err2: | |
1344 | mlx4_xrcd_free(to_mdev(ibdev)->dev, xrcd->xrcdn); | |
1345 | err1: | |
1346 | kfree(xrcd); | |
1347 | return ERR_PTR(err); | |
1348 | } | |
1349 | ||
1350 | static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd) | |
1351 | { | |
1352 | ib_destroy_cq(to_mxrcd(xrcd)->cq); | |
1353 | ib_dealloc_pd(to_mxrcd(xrcd)->pd); | |
1354 | mlx4_xrcd_free(to_mdev(xrcd->device)->dev, to_mxrcd(xrcd)->xrcdn); | |
1355 | kfree(xrcd); | |
1356 | ||
1357 | return 0; | |
1358 | } | |
1359 | ||
fa417f7b EC |
1360 | static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid) |
1361 | { | |
1362 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); | |
1363 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
1364 | struct mlx4_ib_gid_entry *ge; | |
1365 | ||
1366 | ge = kzalloc(sizeof *ge, GFP_KERNEL); | |
1367 | if (!ge) | |
1368 | return -ENOMEM; | |
1369 | ||
1370 | ge->gid = *gid; | |
1371 | if (mlx4_ib_add_mc(mdev, mqp, gid)) { | |
1372 | ge->port = mqp->port; | |
1373 | ge->added = 1; | |
1374 | } | |
1375 | ||
1376 | mutex_lock(&mqp->mutex); | |
1377 | list_add_tail(&ge->list, &mqp->gid_list); | |
1378 | mutex_unlock(&mqp->mutex); | |
1379 | ||
1380 | return 0; | |
1381 | } | |
1382 | ||
3ba8e31d EBE |
1383 | static void mlx4_ib_delete_counters_table(struct mlx4_ib_dev *ibdev, |
1384 | struct mlx4_ib_counters *ctr_table) | |
1385 | { | |
1386 | struct counter_index *counter, *tmp_count; | |
1387 | ||
1388 | mutex_lock(&ctr_table->mutex); | |
1389 | list_for_each_entry_safe(counter, tmp_count, &ctr_table->counters_list, | |
1390 | list) { | |
1391 | if (counter->allocated) | |
1392 | mlx4_counter_free(ibdev->dev, counter->index); | |
1393 | list_del(&counter->list); | |
1394 | kfree(counter); | |
1395 | } | |
1396 | mutex_unlock(&ctr_table->mutex); | |
1397 | } | |
1398 | ||
fa417f7b EC |
1399 | int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, |
1400 | union ib_gid *gid) | |
1401 | { | |
fa417f7b EC |
1402 | struct net_device *ndev; |
1403 | int ret = 0; | |
1404 | ||
1405 | if (!mqp->port) | |
1406 | return 0; | |
1407 | ||
dba3ad2a | 1408 | spin_lock_bh(&mdev->iboe.lock); |
fa417f7b EC |
1409 | ndev = mdev->iboe.netdevs[mqp->port - 1]; |
1410 | if (ndev) | |
1411 | dev_hold(ndev); | |
dba3ad2a | 1412 | spin_unlock_bh(&mdev->iboe.lock); |
fa417f7b EC |
1413 | |
1414 | if (ndev) { | |
fa417f7b | 1415 | ret = 1; |
fa417f7b EC |
1416 | dev_put(ndev); |
1417 | } | |
1418 | ||
1419 | return ret; | |
1420 | } | |
1421 | ||
0ff1fb65 HHZ |
1422 | struct mlx4_ib_steering { |
1423 | struct list_head list; | |
146d6e19 | 1424 | struct mlx4_flow_reg_id reg_id; |
0ff1fb65 HHZ |
1425 | union ib_gid gid; |
1426 | }; | |
1427 | ||
1f02a09c MG |
1428 | #define LAST_ETH_FIELD vlan_tag |
1429 | #define LAST_IB_FIELD sl | |
1430 | #define LAST_IPV4_FIELD dst_ip | |
1431 | #define LAST_TCP_UDP_FIELD src_port | |
1432 | ||
1433 | /* Field is the last supported field */ | |
1434 | #define FIELDS_NOT_SUPPORTED(filter, field)\ | |
1435 | memchr_inv((void *)&filter.field +\ | |
1436 | sizeof(filter.field), 0,\ | |
1437 | sizeof(filter) -\ | |
1438 | offsetof(typeof(filter), field) -\ | |
1439 | sizeof(filter.field)) | |
1440 | ||
f77c0162 | 1441 | static int parse_flow_attr(struct mlx4_dev *dev, |
a37a1a42 | 1442 | u32 qp_num, |
f77c0162 HHZ |
1443 | union ib_flow_spec *ib_spec, |
1444 | struct _rule_hw *mlx4_spec) | |
1445 | { | |
1446 | enum mlx4_net_trans_rule_id type; | |
1447 | ||
1448 | switch (ib_spec->type) { | |
1449 | case IB_FLOW_SPEC_ETH: | |
1f02a09c MG |
1450 | if (FIELDS_NOT_SUPPORTED(ib_spec->eth.mask, LAST_ETH_FIELD)) |
1451 | return -ENOTSUPP; | |
1452 | ||
f77c0162 HHZ |
1453 | type = MLX4_NET_TRANS_RULE_ID_ETH; |
1454 | memcpy(mlx4_spec->eth.dst_mac, ib_spec->eth.val.dst_mac, | |
1455 | ETH_ALEN); | |
1456 | memcpy(mlx4_spec->eth.dst_mac_msk, ib_spec->eth.mask.dst_mac, | |
1457 | ETH_ALEN); | |
1458 | mlx4_spec->eth.vlan_tag = ib_spec->eth.val.vlan_tag; | |
1459 | mlx4_spec->eth.vlan_tag_msk = ib_spec->eth.mask.vlan_tag; | |
1460 | break; | |
a37a1a42 | 1461 | case IB_FLOW_SPEC_IB: |
1f02a09c MG |
1462 | if (FIELDS_NOT_SUPPORTED(ib_spec->ib.mask, LAST_IB_FIELD)) |
1463 | return -ENOTSUPP; | |
1464 | ||
a37a1a42 MB |
1465 | type = MLX4_NET_TRANS_RULE_ID_IB; |
1466 | mlx4_spec->ib.l3_qpn = | |
1467 | cpu_to_be32(qp_num); | |
1468 | mlx4_spec->ib.qpn_mask = | |
1469 | cpu_to_be32(MLX4_IB_FLOW_QPN_MASK); | |
1470 | break; | |
1471 | ||
f77c0162 HHZ |
1472 | |
1473 | case IB_FLOW_SPEC_IPV4: | |
1f02a09c MG |
1474 | if (FIELDS_NOT_SUPPORTED(ib_spec->ipv4.mask, LAST_IPV4_FIELD)) |
1475 | return -ENOTSUPP; | |
1476 | ||
f77c0162 HHZ |
1477 | type = MLX4_NET_TRANS_RULE_ID_IPV4; |
1478 | mlx4_spec->ipv4.src_ip = ib_spec->ipv4.val.src_ip; | |
1479 | mlx4_spec->ipv4.src_ip_msk = ib_spec->ipv4.mask.src_ip; | |
1480 | mlx4_spec->ipv4.dst_ip = ib_spec->ipv4.val.dst_ip; | |
1481 | mlx4_spec->ipv4.dst_ip_msk = ib_spec->ipv4.mask.dst_ip; | |
1482 | break; | |
1483 | ||
1484 | case IB_FLOW_SPEC_TCP: | |
1485 | case IB_FLOW_SPEC_UDP: | |
1f02a09c MG |
1486 | if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, LAST_TCP_UDP_FIELD)) |
1487 | return -ENOTSUPP; | |
1488 | ||
f77c0162 HHZ |
1489 | type = ib_spec->type == IB_FLOW_SPEC_TCP ? |
1490 | MLX4_NET_TRANS_RULE_ID_TCP : | |
1491 | MLX4_NET_TRANS_RULE_ID_UDP; | |
1492 | mlx4_spec->tcp_udp.dst_port = ib_spec->tcp_udp.val.dst_port; | |
1493 | mlx4_spec->tcp_udp.dst_port_msk = ib_spec->tcp_udp.mask.dst_port; | |
1494 | mlx4_spec->tcp_udp.src_port = ib_spec->tcp_udp.val.src_port; | |
1495 | mlx4_spec->tcp_udp.src_port_msk = ib_spec->tcp_udp.mask.src_port; | |
1496 | break; | |
1497 | ||
1498 | default: | |
1499 | return -EINVAL; | |
1500 | } | |
1501 | if (mlx4_map_sw_to_hw_steering_id(dev, type) < 0 || | |
1502 | mlx4_hw_rule_sz(dev, type) < 0) | |
1503 | return -EINVAL; | |
1504 | mlx4_spec->id = cpu_to_be16(mlx4_map_sw_to_hw_steering_id(dev, type)); | |
1505 | mlx4_spec->size = mlx4_hw_rule_sz(dev, type) >> 2; | |
1506 | return mlx4_hw_rule_sz(dev, type); | |
1507 | } | |
1508 | ||
a37a1a42 MB |
1509 | struct default_rules { |
1510 | __u32 mandatory_fields[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
1511 | __u32 mandatory_not_fields[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
1512 | __u32 rules_create_list[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
1513 | __u8 link_layer; | |
1514 | }; | |
1515 | static const struct default_rules default_table[] = { | |
1516 | { | |
1517 | .mandatory_fields = {IB_FLOW_SPEC_IPV4}, | |
1518 | .mandatory_not_fields = {IB_FLOW_SPEC_ETH}, | |
1519 | .rules_create_list = {IB_FLOW_SPEC_IB}, | |
1520 | .link_layer = IB_LINK_LAYER_INFINIBAND | |
1521 | } | |
1522 | }; | |
1523 | ||
1524 | static int __mlx4_ib_default_rules_match(struct ib_qp *qp, | |
1525 | struct ib_flow_attr *flow_attr) | |
1526 | { | |
1527 | int i, j, k; | |
1528 | void *ib_flow; | |
1529 | const struct default_rules *pdefault_rules = default_table; | |
1530 | u8 link_layer = rdma_port_get_link_layer(qp->device, flow_attr->port); | |
1531 | ||
a57f23f6 | 1532 | for (i = 0; i < ARRAY_SIZE(default_table); i++, pdefault_rules++) { |
a37a1a42 MB |
1533 | __u32 field_types[IB_FLOW_SPEC_SUPPORT_LAYERS]; |
1534 | memset(&field_types, 0, sizeof(field_types)); | |
1535 | ||
1536 | if (link_layer != pdefault_rules->link_layer) | |
1537 | continue; | |
1538 | ||
1539 | ib_flow = flow_attr + 1; | |
1540 | /* we assume the specs are sorted */ | |
1541 | for (j = 0, k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS && | |
1542 | j < flow_attr->num_of_specs; k++) { | |
1543 | union ib_flow_spec *current_flow = | |
1544 | (union ib_flow_spec *)ib_flow; | |
1545 | ||
1546 | /* same layer but different type */ | |
1547 | if (((current_flow->type & IB_FLOW_SPEC_LAYER_MASK) == | |
1548 | (pdefault_rules->mandatory_fields[k] & | |
1549 | IB_FLOW_SPEC_LAYER_MASK)) && | |
1550 | (current_flow->type != | |
1551 | pdefault_rules->mandatory_fields[k])) | |
1552 | goto out; | |
1553 | ||
1554 | /* same layer, try match next one */ | |
1555 | if (current_flow->type == | |
1556 | pdefault_rules->mandatory_fields[k]) { | |
1557 | j++; | |
1558 | ib_flow += | |
1559 | ((union ib_flow_spec *)ib_flow)->size; | |
1560 | } | |
1561 | } | |
1562 | ||
1563 | ib_flow = flow_attr + 1; | |
1564 | for (j = 0; j < flow_attr->num_of_specs; | |
1565 | j++, ib_flow += ((union ib_flow_spec *)ib_flow)->size) | |
1566 | for (k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS; k++) | |
1567 | /* same layer and same type */ | |
1568 | if (((union ib_flow_spec *)ib_flow)->type == | |
1569 | pdefault_rules->mandatory_not_fields[k]) | |
1570 | goto out; | |
1571 | ||
1572 | return i; | |
1573 | } | |
1574 | out: | |
1575 | return -1; | |
1576 | } | |
1577 | ||
1578 | static int __mlx4_ib_create_default_rules( | |
1579 | struct mlx4_ib_dev *mdev, | |
1580 | struct ib_qp *qp, | |
1581 | const struct default_rules *pdefault_rules, | |
1582 | struct _rule_hw *mlx4_spec) { | |
1583 | int size = 0; | |
1584 | int i; | |
1585 | ||
a57f23f6 | 1586 | for (i = 0; i < ARRAY_SIZE(pdefault_rules->rules_create_list); i++) { |
a37a1a42 MB |
1587 | int ret; |
1588 | union ib_flow_spec ib_spec; | |
1589 | switch (pdefault_rules->rules_create_list[i]) { | |
1590 | case 0: | |
1591 | /* no rule */ | |
1592 | continue; | |
1593 | case IB_FLOW_SPEC_IB: | |
1594 | ib_spec.type = IB_FLOW_SPEC_IB; | |
1595 | ib_spec.size = sizeof(struct ib_flow_spec_ib); | |
1596 | ||
1597 | break; | |
1598 | default: | |
1599 | /* invalid rule */ | |
1600 | return -EINVAL; | |
1601 | } | |
1602 | /* We must put empty rule, qpn is being ignored */ | |
1603 | ret = parse_flow_attr(mdev->dev, 0, &ib_spec, | |
1604 | mlx4_spec); | |
1605 | if (ret < 0) { | |
1606 | pr_info("invalid parsing\n"); | |
1607 | return -EINVAL; | |
1608 | } | |
1609 | ||
1610 | mlx4_spec = (void *)mlx4_spec + ret; | |
1611 | size += ret; | |
1612 | } | |
1613 | return size; | |
1614 | } | |
1615 | ||
f77c0162 HHZ |
1616 | static int __mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr, |
1617 | int domain, | |
1618 | enum mlx4_net_trans_promisc_mode flow_type, | |
1619 | u64 *reg_id) | |
1620 | { | |
1621 | int ret, i; | |
1622 | int size = 0; | |
1623 | void *ib_flow; | |
1624 | struct mlx4_ib_dev *mdev = to_mdev(qp->device); | |
1625 | struct mlx4_cmd_mailbox *mailbox; | |
1626 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; | |
a37a1a42 | 1627 | int default_flow; |
f77c0162 HHZ |
1628 | |
1629 | static const u16 __mlx4_domain[] = { | |
1630 | [IB_FLOW_DOMAIN_USER] = MLX4_DOMAIN_UVERBS, | |
1631 | [IB_FLOW_DOMAIN_ETHTOOL] = MLX4_DOMAIN_ETHTOOL, | |
1632 | [IB_FLOW_DOMAIN_RFS] = MLX4_DOMAIN_RFS, | |
1633 | [IB_FLOW_DOMAIN_NIC] = MLX4_DOMAIN_NIC, | |
1634 | }; | |
1635 | ||
1636 | if (flow_attr->priority > MLX4_IB_FLOW_MAX_PRIO) { | |
1637 | pr_err("Invalid priority value %d\n", flow_attr->priority); | |
1638 | return -EINVAL; | |
1639 | } | |
1640 | ||
1641 | if (domain >= IB_FLOW_DOMAIN_NUM) { | |
1642 | pr_err("Invalid domain value %d\n", domain); | |
1643 | return -EINVAL; | |
1644 | } | |
1645 | ||
1646 | if (mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type) < 0) | |
1647 | return -EINVAL; | |
1648 | ||
1649 | mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); | |
1650 | if (IS_ERR(mailbox)) | |
1651 | return PTR_ERR(mailbox); | |
f77c0162 HHZ |
1652 | ctrl = mailbox->buf; |
1653 | ||
1654 | ctrl->prio = cpu_to_be16(__mlx4_domain[domain] | | |
1655 | flow_attr->priority); | |
1656 | ctrl->type = mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type); | |
1657 | ctrl->port = flow_attr->port; | |
1658 | ctrl->qpn = cpu_to_be32(qp->qp_num); | |
1659 | ||
1660 | ib_flow = flow_attr + 1; | |
1661 | size += sizeof(struct mlx4_net_trans_rule_hw_ctrl); | |
a37a1a42 MB |
1662 | /* Add default flows */ |
1663 | default_flow = __mlx4_ib_default_rules_match(qp, flow_attr); | |
1664 | if (default_flow >= 0) { | |
1665 | ret = __mlx4_ib_create_default_rules( | |
1666 | mdev, qp, default_table + default_flow, | |
1667 | mailbox->buf + size); | |
1668 | if (ret < 0) { | |
1669 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1670 | return -EINVAL; | |
1671 | } | |
1672 | size += ret; | |
1673 | } | |
f77c0162 | 1674 | for (i = 0; i < flow_attr->num_of_specs; i++) { |
a37a1a42 MB |
1675 | ret = parse_flow_attr(mdev->dev, qp->qp_num, ib_flow, |
1676 | mailbox->buf + size); | |
f77c0162 HHZ |
1677 | if (ret < 0) { |
1678 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1679 | return -EINVAL; | |
1680 | } | |
1681 | ib_flow += ((union ib_flow_spec *) ib_flow)->size; | |
1682 | size += ret; | |
1683 | } | |
1684 | ||
10b1c04e JM |
1685 | if (mlx4_is_master(mdev->dev) && flow_type == MLX4_FS_REGULAR && |
1686 | flow_attr->num_of_specs == 1) { | |
1687 | struct _rule_hw *rule_header = (struct _rule_hw *)(ctrl + 1); | |
1688 | enum ib_flow_spec_type header_spec = | |
1689 | ((union ib_flow_spec *)(flow_attr + 1))->type; | |
1690 | ||
1691 | if (header_spec == IB_FLOW_SPEC_ETH) | |
1692 | mlx4_handle_eth_header_mcast_prio(ctrl, rule_header); | |
1693 | } | |
1694 | ||
f77c0162 HHZ |
1695 | ret = mlx4_cmd_imm(mdev->dev, mailbox->dma, reg_id, size >> 2, 0, |
1696 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, | |
10b1c04e | 1697 | MLX4_CMD_NATIVE); |
f77c0162 HHZ |
1698 | if (ret == -ENOMEM) |
1699 | pr_err("mcg table is full. Fail to register network rule.\n"); | |
1700 | else if (ret == -ENXIO) | |
1701 | pr_err("Device managed flow steering is disabled. Fail to register network rule.\n"); | |
1702 | else if (ret) | |
35fc7b7d | 1703 | pr_err("Invalid argument. Fail to register network rule.\n"); |
f77c0162 HHZ |
1704 | |
1705 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1706 | return ret; | |
1707 | } | |
1708 | ||
1709 | static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id) | |
1710 | { | |
1711 | int err; | |
1712 | err = mlx4_cmd(dev, reg_id, 0, 0, | |
1713 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, | |
10b1c04e | 1714 | MLX4_CMD_NATIVE); |
f77c0162 HHZ |
1715 | if (err) |
1716 | pr_err("Fail to detach network rule. registration id = 0x%llx\n", | |
1717 | reg_id); | |
1718 | return err; | |
1719 | } | |
1720 | ||
d2fce8a9 OG |
1721 | static int mlx4_ib_tunnel_steer_add(struct ib_qp *qp, struct ib_flow_attr *flow_attr, |
1722 | u64 *reg_id) | |
1723 | { | |
1724 | void *ib_flow; | |
1725 | union ib_flow_spec *ib_spec; | |
1726 | struct mlx4_dev *dev = to_mdev(qp->device)->dev; | |
1727 | int err = 0; | |
1728 | ||
5eff6dad OG |
1729 | if (dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN || |
1730 | dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC) | |
d2fce8a9 OG |
1731 | return 0; /* do nothing */ |
1732 | ||
1733 | ib_flow = flow_attr + 1; | |
1734 | ib_spec = (union ib_flow_spec *)ib_flow; | |
1735 | ||
1736 | if (ib_spec->type != IB_FLOW_SPEC_ETH || flow_attr->num_of_specs != 1) | |
1737 | return 0; /* do nothing */ | |
1738 | ||
1739 | err = mlx4_tunnel_steer_add(to_mdev(qp->device)->dev, ib_spec->eth.val.dst_mac, | |
1740 | flow_attr->port, qp->qp_num, | |
1741 | MLX4_DOMAIN_UVERBS | (flow_attr->priority & 0xff), | |
1742 | reg_id); | |
1743 | return err; | |
1744 | } | |
1745 | ||
0e451e88 MV |
1746 | static int mlx4_ib_add_dont_trap_rule(struct mlx4_dev *dev, |
1747 | struct ib_flow_attr *flow_attr, | |
1748 | enum mlx4_net_trans_promisc_mode *type) | |
1749 | { | |
1750 | int err = 0; | |
1751 | ||
1752 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER) || | |
1753 | (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC) || | |
1754 | (flow_attr->num_of_specs > 1) || (flow_attr->priority != 0)) { | |
1755 | return -EOPNOTSUPP; | |
1756 | } | |
1757 | ||
1758 | if (flow_attr->num_of_specs == 0) { | |
1759 | type[0] = MLX4_FS_MC_SNIFFER; | |
1760 | type[1] = MLX4_FS_UC_SNIFFER; | |
1761 | } else { | |
1762 | union ib_flow_spec *ib_spec; | |
1763 | ||
1764 | ib_spec = (union ib_flow_spec *)(flow_attr + 1); | |
1765 | if (ib_spec->type != IB_FLOW_SPEC_ETH) | |
1766 | return -EINVAL; | |
1767 | ||
1768 | /* if all is zero than MC and UC */ | |
1769 | if (is_zero_ether_addr(ib_spec->eth.mask.dst_mac)) { | |
1770 | type[0] = MLX4_FS_MC_SNIFFER; | |
1771 | type[1] = MLX4_FS_UC_SNIFFER; | |
1772 | } else { | |
1773 | u8 mac[ETH_ALEN] = {ib_spec->eth.mask.dst_mac[0] ^ 0x01, | |
1774 | ib_spec->eth.mask.dst_mac[1], | |
1775 | ib_spec->eth.mask.dst_mac[2], | |
1776 | ib_spec->eth.mask.dst_mac[3], | |
1777 | ib_spec->eth.mask.dst_mac[4], | |
1778 | ib_spec->eth.mask.dst_mac[5]}; | |
1779 | ||
1780 | /* Above xor was only on MC bit, non empty mask is valid | |
1781 | * only if this bit is set and rest are zero. | |
1782 | */ | |
1783 | if (!is_zero_ether_addr(&mac[0])) | |
1784 | return -EINVAL; | |
1785 | ||
1786 | if (is_multicast_ether_addr(ib_spec->eth.val.dst_mac)) | |
1787 | type[0] = MLX4_FS_MC_SNIFFER; | |
1788 | else | |
1789 | type[0] = MLX4_FS_UC_SNIFFER; | |
1790 | } | |
1791 | } | |
1792 | ||
1793 | return err; | |
1794 | } | |
1795 | ||
f77c0162 HHZ |
1796 | static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, |
1797 | struct ib_flow_attr *flow_attr, | |
1798 | int domain) | |
1799 | { | |
146d6e19 | 1800 | int err = 0, i = 0, j = 0; |
f77c0162 HHZ |
1801 | struct mlx4_ib_flow *mflow; |
1802 | enum mlx4_net_trans_promisc_mode type[2]; | |
146d6e19 MS |
1803 | struct mlx4_dev *dev = (to_mdev(qp->device))->dev; |
1804 | int is_bonded = mlx4_is_bonded(dev); | |
f77c0162 | 1805 | |
5533c18a YH |
1806 | if (flow_attr->port < 1 || flow_attr->port > qp->device->phys_port_cnt) |
1807 | return ERR_PTR(-EINVAL); | |
1808 | ||
0e451e88 MV |
1809 | if ((flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) && |
1810 | (flow_attr->type != IB_FLOW_ATTR_NORMAL)) | |
a3100a78 MV |
1811 | return ERR_PTR(-EOPNOTSUPP); |
1812 | ||
f77c0162 HHZ |
1813 | memset(type, 0, sizeof(type)); |
1814 | ||
1815 | mflow = kzalloc(sizeof(*mflow), GFP_KERNEL); | |
1816 | if (!mflow) { | |
1817 | err = -ENOMEM; | |
1818 | goto err_free; | |
1819 | } | |
1820 | ||
1821 | switch (flow_attr->type) { | |
1822 | case IB_FLOW_ATTR_NORMAL: | |
0e451e88 MV |
1823 | /* If dont trap flag (continue match) is set, under specific |
1824 | * condition traffic be replicated to given qp, | |
1825 | * without stealing it | |
1826 | */ | |
1827 | if (unlikely(flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP)) { | |
1828 | err = mlx4_ib_add_dont_trap_rule(dev, | |
1829 | flow_attr, | |
1830 | type); | |
1831 | if (err) | |
1832 | goto err_free; | |
1833 | } else { | |
1834 | type[0] = MLX4_FS_REGULAR; | |
1835 | } | |
f77c0162 HHZ |
1836 | break; |
1837 | ||
1838 | case IB_FLOW_ATTR_ALL_DEFAULT: | |
1839 | type[0] = MLX4_FS_ALL_DEFAULT; | |
1840 | break; | |
1841 | ||
1842 | case IB_FLOW_ATTR_MC_DEFAULT: | |
1843 | type[0] = MLX4_FS_MC_DEFAULT; | |
1844 | break; | |
1845 | ||
1846 | case IB_FLOW_ATTR_SNIFFER: | |
0e451e88 MV |
1847 | type[0] = MLX4_FS_MIRROR_RX_PORT; |
1848 | type[1] = MLX4_FS_MIRROR_SX_PORT; | |
f77c0162 HHZ |
1849 | break; |
1850 | ||
1851 | default: | |
1852 | err = -EINVAL; | |
1853 | goto err_free; | |
1854 | } | |
1855 | ||
1856 | while (i < ARRAY_SIZE(type) && type[i]) { | |
1857 | err = __mlx4_ib_create_flow(qp, flow_attr, domain, type[i], | |
146d6e19 | 1858 | &mflow->reg_id[i].id); |
f77c0162 | 1859 | if (err) |
571e1b2c | 1860 | goto err_create_flow; |
146d6e19 | 1861 | if (is_bonded) { |
824c25c1 MS |
1862 | /* Application always sees one port so the mirror rule |
1863 | * must be on port #2 | |
1864 | */ | |
146d6e19 MS |
1865 | flow_attr->port = 2; |
1866 | err = __mlx4_ib_create_flow(qp, flow_attr, | |
1867 | domain, type[j], | |
1868 | &mflow->reg_id[j].mirror); | |
1869 | flow_attr->port = 1; | |
1870 | if (err) | |
1871 | goto err_create_flow; | |
1872 | j++; | |
1873 | } | |
1874 | ||
11562568 | 1875 | i++; |
f77c0162 HHZ |
1876 | } |
1877 | ||
d2fce8a9 | 1878 | if (i < ARRAY_SIZE(type) && flow_attr->type == IB_FLOW_ATTR_NORMAL) { |
146d6e19 MS |
1879 | err = mlx4_ib_tunnel_steer_add(qp, flow_attr, |
1880 | &mflow->reg_id[i].id); | |
d2fce8a9 | 1881 | if (err) |
571e1b2c | 1882 | goto err_create_flow; |
11562568 | 1883 | |
146d6e19 MS |
1884 | if (is_bonded) { |
1885 | flow_attr->port = 2; | |
1886 | err = mlx4_ib_tunnel_steer_add(qp, flow_attr, | |
1887 | &mflow->reg_id[j].mirror); | |
1888 | flow_attr->port = 1; | |
1889 | if (err) | |
1890 | goto err_create_flow; | |
1891 | j++; | |
1892 | } | |
1893 | /* function to create mirror rule */ | |
11562568 | 1894 | i++; |
d2fce8a9 OG |
1895 | } |
1896 | ||
f77c0162 HHZ |
1897 | return &mflow->ibflow; |
1898 | ||
571e1b2c OG |
1899 | err_create_flow: |
1900 | while (i) { | |
146d6e19 MS |
1901 | (void)__mlx4_ib_destroy_flow(to_mdev(qp->device)->dev, |
1902 | mflow->reg_id[i].id); | |
571e1b2c OG |
1903 | i--; |
1904 | } | |
146d6e19 MS |
1905 | |
1906 | while (j) { | |
1907 | (void)__mlx4_ib_destroy_flow(to_mdev(qp->device)->dev, | |
1908 | mflow->reg_id[j].mirror); | |
1909 | j--; | |
1910 | } | |
f77c0162 HHZ |
1911 | err_free: |
1912 | kfree(mflow); | |
1913 | return ERR_PTR(err); | |
1914 | } | |
1915 | ||
1916 | static int mlx4_ib_destroy_flow(struct ib_flow *flow_id) | |
1917 | { | |
1918 | int err, ret = 0; | |
1919 | int i = 0; | |
1920 | struct mlx4_ib_dev *mdev = to_mdev(flow_id->qp->device); | |
1921 | struct mlx4_ib_flow *mflow = to_mflow(flow_id); | |
1922 | ||
146d6e19 MS |
1923 | while (i < ARRAY_SIZE(mflow->reg_id) && mflow->reg_id[i].id) { |
1924 | err = __mlx4_ib_destroy_flow(mdev->dev, mflow->reg_id[i].id); | |
f77c0162 HHZ |
1925 | if (err) |
1926 | ret = err; | |
146d6e19 MS |
1927 | if (mflow->reg_id[i].mirror) { |
1928 | err = __mlx4_ib_destroy_flow(mdev->dev, | |
1929 | mflow->reg_id[i].mirror); | |
1930 | if (err) | |
1931 | ret = err; | |
1932 | } | |
f77c0162 HHZ |
1933 | i++; |
1934 | } | |
1935 | ||
1936 | kfree(mflow); | |
1937 | return ret; | |
1938 | } | |
1939 | ||
225c7b1f RD |
1940 | static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
1941 | { | |
fa417f7b EC |
1942 | int err; |
1943 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
146d6e19 | 1944 | struct mlx4_dev *dev = mdev->dev; |
fa417f7b | 1945 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); |
0ff1fb65 | 1946 | struct mlx4_ib_steering *ib_steering = NULL; |
e9a7faf1 | 1947 | enum mlx4_protocol prot = MLX4_PROT_IB_IPV6; |
146d6e19 | 1948 | struct mlx4_flow_reg_id reg_id; |
0ff1fb65 HHZ |
1949 | |
1950 | if (mdev->dev->caps.steering_mode == | |
1951 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1952 | ib_steering = kmalloc(sizeof(*ib_steering), GFP_KERNEL); | |
1953 | if (!ib_steering) | |
1954 | return -ENOMEM; | |
1955 | } | |
fa417f7b | 1956 | |
0ff1fb65 HHZ |
1957 | err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, mqp->port, |
1958 | !!(mqp->flags & | |
1959 | MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK), | |
146d6e19 | 1960 | prot, ®_id.id); |
e9a7faf1 OG |
1961 | if (err) { |
1962 | pr_err("multicast attach op failed, err %d\n", err); | |
0ff1fb65 | 1963 | goto err_malloc; |
e9a7faf1 | 1964 | } |
fa417f7b | 1965 | |
146d6e19 MS |
1966 | reg_id.mirror = 0; |
1967 | if (mlx4_is_bonded(dev)) { | |
824c25c1 MS |
1968 | err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, |
1969 | (mqp->port == 1) ? 2 : 1, | |
146d6e19 MS |
1970 | !!(mqp->flags & |
1971 | MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK), | |
1972 | prot, ®_id.mirror); | |
1973 | if (err) | |
1974 | goto err_add; | |
1975 | } | |
1976 | ||
fa417f7b EC |
1977 | err = add_gid_entry(ibqp, gid); |
1978 | if (err) | |
1979 | goto err_add; | |
1980 | ||
0ff1fb65 HHZ |
1981 | if (ib_steering) { |
1982 | memcpy(ib_steering->gid.raw, gid->raw, 16); | |
1983 | ib_steering->reg_id = reg_id; | |
1984 | mutex_lock(&mqp->mutex); | |
1985 | list_add(&ib_steering->list, &mqp->steering_rules); | |
1986 | mutex_unlock(&mqp->mutex); | |
1987 | } | |
fa417f7b EC |
1988 | return 0; |
1989 | ||
1990 | err_add: | |
0ff1fb65 | 1991 | mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, |
146d6e19 MS |
1992 | prot, reg_id.id); |
1993 | if (reg_id.mirror) | |
1994 | mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, | |
1995 | prot, reg_id.mirror); | |
0ff1fb65 HHZ |
1996 | err_malloc: |
1997 | kfree(ib_steering); | |
1998 | ||
fa417f7b EC |
1999 | return err; |
2000 | } | |
2001 | ||
2002 | static struct mlx4_ib_gid_entry *find_gid_entry(struct mlx4_ib_qp *qp, u8 *raw) | |
2003 | { | |
2004 | struct mlx4_ib_gid_entry *ge; | |
2005 | struct mlx4_ib_gid_entry *tmp; | |
2006 | struct mlx4_ib_gid_entry *ret = NULL; | |
2007 | ||
2008 | list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) { | |
2009 | if (!memcmp(raw, ge->gid.raw, 16)) { | |
2010 | ret = ge; | |
2011 | break; | |
2012 | } | |
2013 | } | |
2014 | ||
2015 | return ret; | |
225c7b1f RD |
2016 | } |
2017 | ||
2018 | static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
2019 | { | |
fa417f7b EC |
2020 | int err; |
2021 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
146d6e19 | 2022 | struct mlx4_dev *dev = mdev->dev; |
fa417f7b | 2023 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); |
fa417f7b EC |
2024 | struct net_device *ndev; |
2025 | struct mlx4_ib_gid_entry *ge; | |
146d6e19 | 2026 | struct mlx4_flow_reg_id reg_id = {0, 0}; |
e9a7faf1 | 2027 | enum mlx4_protocol prot = MLX4_PROT_IB_IPV6; |
0ff1fb65 HHZ |
2028 | |
2029 | if (mdev->dev->caps.steering_mode == | |
2030 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
2031 | struct mlx4_ib_steering *ib_steering; | |
2032 | ||
2033 | mutex_lock(&mqp->mutex); | |
2034 | list_for_each_entry(ib_steering, &mqp->steering_rules, list) { | |
2035 | if (!memcmp(ib_steering->gid.raw, gid->raw, 16)) { | |
2036 | list_del(&ib_steering->list); | |
2037 | break; | |
2038 | } | |
2039 | } | |
2040 | mutex_unlock(&mqp->mutex); | |
2041 | if (&ib_steering->list == &mqp->steering_rules) { | |
2042 | pr_err("Couldn't find reg_id for mgid. Steering rule is left attached\n"); | |
2043 | return -EINVAL; | |
2044 | } | |
2045 | reg_id = ib_steering->reg_id; | |
2046 | kfree(ib_steering); | |
2047 | } | |
fa417f7b | 2048 | |
0ff1fb65 | 2049 | err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, |
146d6e19 | 2050 | prot, reg_id.id); |
fa417f7b EC |
2051 | if (err) |
2052 | return err; | |
2053 | ||
146d6e19 MS |
2054 | if (mlx4_is_bonded(dev)) { |
2055 | err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, | |
2056 | prot, reg_id.mirror); | |
2057 | if (err) | |
2058 | return err; | |
2059 | } | |
2060 | ||
fa417f7b EC |
2061 | mutex_lock(&mqp->mutex); |
2062 | ge = find_gid_entry(mqp, gid->raw); | |
2063 | if (ge) { | |
dba3ad2a | 2064 | spin_lock_bh(&mdev->iboe.lock); |
fa417f7b EC |
2065 | ndev = ge->added ? mdev->iboe.netdevs[ge->port - 1] : NULL; |
2066 | if (ndev) | |
2067 | dev_hold(ndev); | |
dba3ad2a | 2068 | spin_unlock_bh(&mdev->iboe.lock); |
d487ee77 | 2069 | if (ndev) |
fa417f7b | 2070 | dev_put(ndev); |
fa417f7b EC |
2071 | list_del(&ge->list); |
2072 | kfree(ge); | |
2073 | } else | |
987c8f8f | 2074 | pr_warn("could not find mgid entry\n"); |
fa417f7b EC |
2075 | |
2076 | mutex_unlock(&mqp->mutex); | |
2077 | ||
2078 | return 0; | |
225c7b1f RD |
2079 | } |
2080 | ||
2081 | static int init_node_data(struct mlx4_ib_dev *dev) | |
2082 | { | |
2083 | struct ib_smp *in_mad = NULL; | |
2084 | struct ib_smp *out_mad = NULL; | |
0a9a0188 | 2085 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
225c7b1f RD |
2086 | int err = -ENOMEM; |
2087 | ||
2088 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
2089 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
2090 | if (!in_mad || !out_mad) | |
2091 | goto out; | |
2092 | ||
2093 | init_query_mad(in_mad); | |
2094 | in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; | |
0a9a0188 JM |
2095 | if (mlx4_is_master(dev->dev)) |
2096 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
225c7b1f | 2097 | |
0a9a0188 | 2098 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
2099 | if (err) |
2100 | goto out; | |
2101 | ||
bd99fdea | 2102 | memcpy(dev->ib_dev.node_desc, out_mad->data, IB_DEVICE_NODE_DESC_MAX); |
225c7b1f RD |
2103 | |
2104 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; | |
2105 | ||
0a9a0188 | 2106 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
2107 | if (err) |
2108 | goto out; | |
2109 | ||
992e8e6e | 2110 | dev->dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32)); |
225c7b1f RD |
2111 | memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8); |
2112 | ||
2113 | out: | |
2114 | kfree(in_mad); | |
2115 | kfree(out_mad); | |
2116 | return err; | |
2117 | } | |
2118 | ||
f4e91eb4 TJ |
2119 | static ssize_t show_hca(struct device *device, struct device_attribute *attr, |
2120 | char *buf) | |
cd9281d8 | 2121 | { |
f4e91eb4 TJ |
2122 | struct mlx4_ib_dev *dev = |
2123 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
872bf2fb | 2124 | return sprintf(buf, "MT%d\n", dev->dev->persist->pdev->device); |
cd9281d8 JM |
2125 | } |
2126 | ||
f4e91eb4 TJ |
2127 | static ssize_t show_rev(struct device *device, struct device_attribute *attr, |
2128 | char *buf) | |
cd9281d8 | 2129 | { |
f4e91eb4 TJ |
2130 | struct mlx4_ib_dev *dev = |
2131 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
2132 | return sprintf(buf, "%x\n", dev->dev->rev_id); |
2133 | } | |
2134 | ||
f4e91eb4 TJ |
2135 | static ssize_t show_board(struct device *device, struct device_attribute *attr, |
2136 | char *buf) | |
cd9281d8 | 2137 | { |
f4e91eb4 TJ |
2138 | struct mlx4_ib_dev *dev = |
2139 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
2140 | return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN, | |
2141 | dev->dev->board_id); | |
cd9281d8 JM |
2142 | } |
2143 | ||
f4e91eb4 | 2144 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); |
f4e91eb4 TJ |
2145 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); |
2146 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); | |
cd9281d8 | 2147 | |
f4e91eb4 TJ |
2148 | static struct device_attribute *mlx4_class_attributes[] = { |
2149 | &dev_attr_hw_rev, | |
f4e91eb4 TJ |
2150 | &dev_attr_hca_type, |
2151 | &dev_attr_board_id | |
cd9281d8 JM |
2152 | }; |
2153 | ||
3f85f2aa MB |
2154 | struct diag_counter { |
2155 | const char *name; | |
2156 | u32 offset; | |
2157 | }; | |
2158 | ||
2159 | #define DIAG_COUNTER(_name, _offset) \ | |
2160 | { .name = #_name, .offset = _offset } | |
2161 | ||
2162 | static const struct diag_counter diag_basic[] = { | |
2163 | DIAG_COUNTER(rq_num_lle, 0x00), | |
2164 | DIAG_COUNTER(sq_num_lle, 0x04), | |
2165 | DIAG_COUNTER(rq_num_lqpoe, 0x08), | |
2166 | DIAG_COUNTER(sq_num_lqpoe, 0x0C), | |
2167 | DIAG_COUNTER(rq_num_lpe, 0x18), | |
2168 | DIAG_COUNTER(sq_num_lpe, 0x1C), | |
2169 | DIAG_COUNTER(rq_num_wrfe, 0x20), | |
2170 | DIAG_COUNTER(sq_num_wrfe, 0x24), | |
2171 | DIAG_COUNTER(sq_num_mwbe, 0x2C), | |
2172 | DIAG_COUNTER(sq_num_bre, 0x34), | |
2173 | DIAG_COUNTER(sq_num_rire, 0x44), | |
2174 | DIAG_COUNTER(rq_num_rire, 0x48), | |
2175 | DIAG_COUNTER(sq_num_rae, 0x4C), | |
2176 | DIAG_COUNTER(rq_num_rae, 0x50), | |
2177 | DIAG_COUNTER(sq_num_roe, 0x54), | |
2178 | DIAG_COUNTER(sq_num_tree, 0x5C), | |
2179 | DIAG_COUNTER(sq_num_rree, 0x64), | |
2180 | DIAG_COUNTER(rq_num_rnr, 0x68), | |
2181 | DIAG_COUNTER(sq_num_rnr, 0x6C), | |
2182 | DIAG_COUNTER(rq_num_oos, 0x100), | |
2183 | DIAG_COUNTER(sq_num_oos, 0x104), | |
2184 | }; | |
2185 | ||
2186 | static const struct diag_counter diag_ext[] = { | |
2187 | DIAG_COUNTER(rq_num_dup, 0x130), | |
2188 | DIAG_COUNTER(sq_num_to, 0x134), | |
2189 | }; | |
2190 | ||
2191 | static const struct diag_counter diag_device_only[] = { | |
2192 | DIAG_COUNTER(num_cqovf, 0x1A0), | |
2193 | DIAG_COUNTER(rq_num_udsdprd, 0x118), | |
2194 | }; | |
2195 | ||
2196 | static struct rdma_hw_stats *mlx4_ib_alloc_hw_stats(struct ib_device *ibdev, | |
2197 | u8 port_num) | |
2198 | { | |
2199 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
2200 | struct mlx4_ib_diag_counters *diag = dev->diag_counters; | |
2201 | ||
2202 | if (!diag[!!port_num].name) | |
2203 | return NULL; | |
2204 | ||
2205 | return rdma_alloc_hw_stats_struct(diag[!!port_num].name, | |
2206 | diag[!!port_num].num_counters, | |
2207 | RDMA_HW_STATS_DEFAULT_LIFESPAN); | |
2208 | } | |
2209 | ||
2210 | static int mlx4_ib_get_hw_stats(struct ib_device *ibdev, | |
2211 | struct rdma_hw_stats *stats, | |
2212 | u8 port, int index) | |
2213 | { | |
2214 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
2215 | struct mlx4_ib_diag_counters *diag = dev->diag_counters; | |
2216 | u32 hw_value[ARRAY_SIZE(diag_device_only) + | |
2217 | ARRAY_SIZE(diag_ext) + ARRAY_SIZE(diag_basic)] = {}; | |
2218 | int ret; | |
2219 | int i; | |
2220 | ||
2221 | ret = mlx4_query_diag_counters(dev->dev, | |
2222 | MLX4_OP_MOD_QUERY_TRANSPORT_CI_ERRORS, | |
2223 | diag[!!port].offset, hw_value, | |
2224 | diag[!!port].num_counters, port); | |
2225 | ||
2226 | if (ret) | |
2227 | return ret; | |
2228 | ||
2229 | for (i = 0; i < diag[!!port].num_counters; i++) | |
2230 | stats->value[i] = hw_value[i]; | |
2231 | ||
2232 | return diag[!!port].num_counters; | |
2233 | } | |
2234 | ||
2235 | static int __mlx4_ib_alloc_diag_counters(struct mlx4_ib_dev *ibdev, | |
2236 | const char ***name, | |
2237 | u32 **offset, | |
2238 | u32 *num, | |
2239 | bool port) | |
2240 | { | |
2241 | u32 num_counters; | |
2242 | ||
2243 | num_counters = ARRAY_SIZE(diag_basic); | |
2244 | ||
2245 | if (ibdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT) | |
2246 | num_counters += ARRAY_SIZE(diag_ext); | |
2247 | ||
2248 | if (!port) | |
2249 | num_counters += ARRAY_SIZE(diag_device_only); | |
2250 | ||
2251 | *name = kcalloc(num_counters, sizeof(**name), GFP_KERNEL); | |
2252 | if (!*name) | |
2253 | return -ENOMEM; | |
2254 | ||
2255 | *offset = kcalloc(num_counters, sizeof(**offset), GFP_KERNEL); | |
2256 | if (!*offset) | |
2257 | goto err_name; | |
2258 | ||
2259 | *num = num_counters; | |
2260 | ||
2261 | return 0; | |
2262 | ||
2263 | err_name: | |
2264 | kfree(*name); | |
2265 | return -ENOMEM; | |
2266 | } | |
2267 | ||
2268 | static void mlx4_ib_fill_diag_counters(struct mlx4_ib_dev *ibdev, | |
2269 | const char **name, | |
2270 | u32 *offset, | |
2271 | bool port) | |
2272 | { | |
2273 | int i; | |
2274 | int j; | |
2275 | ||
2276 | for (i = 0, j = 0; i < ARRAY_SIZE(diag_basic); i++, j++) { | |
2277 | name[i] = diag_basic[i].name; | |
2278 | offset[i] = diag_basic[i].offset; | |
2279 | } | |
2280 | ||
2281 | if (ibdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT) { | |
2282 | for (i = 0; i < ARRAY_SIZE(diag_ext); i++, j++) { | |
2283 | name[j] = diag_ext[i].name; | |
2284 | offset[j] = diag_ext[i].offset; | |
2285 | } | |
2286 | } | |
2287 | ||
2288 | if (!port) { | |
2289 | for (i = 0; i < ARRAY_SIZE(diag_device_only); i++, j++) { | |
2290 | name[j] = diag_device_only[i].name; | |
2291 | offset[j] = diag_device_only[i].offset; | |
2292 | } | |
2293 | } | |
2294 | } | |
2295 | ||
2296 | static int mlx4_ib_alloc_diag_counters(struct mlx4_ib_dev *ibdev) | |
2297 | { | |
2298 | struct mlx4_ib_diag_counters *diag = ibdev->diag_counters; | |
2299 | int i; | |
2300 | int ret; | |
2301 | bool per_port = !!(ibdev->dev->caps.flags2 & | |
2302 | MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT); | |
2303 | ||
69d269d3 KH |
2304 | if (mlx4_is_slave(ibdev->dev)) |
2305 | return 0; | |
2306 | ||
3f85f2aa MB |
2307 | for (i = 0; i < MLX4_DIAG_COUNTERS_TYPES; i++) { |
2308 | /* i == 1 means we are building port counters */ | |
2309 | if (i && !per_port) | |
2310 | continue; | |
2311 | ||
2312 | ret = __mlx4_ib_alloc_diag_counters(ibdev, &diag[i].name, | |
2313 | &diag[i].offset, | |
2314 | &diag[i].num_counters, i); | |
2315 | if (ret) | |
2316 | goto err_alloc; | |
2317 | ||
2318 | mlx4_ib_fill_diag_counters(ibdev, diag[i].name, | |
2319 | diag[i].offset, i); | |
2320 | } | |
2321 | ||
2322 | ibdev->ib_dev.get_hw_stats = mlx4_ib_get_hw_stats; | |
2323 | ibdev->ib_dev.alloc_hw_stats = mlx4_ib_alloc_hw_stats; | |
2324 | ||
2325 | return 0; | |
2326 | ||
2327 | err_alloc: | |
2328 | if (i) { | |
2329 | kfree(diag[i - 1].name); | |
2330 | kfree(diag[i - 1].offset); | |
2331 | } | |
2332 | ||
2333 | return ret; | |
2334 | } | |
2335 | ||
2336 | static void mlx4_ib_diag_cleanup(struct mlx4_ib_dev *ibdev) | |
2337 | { | |
2338 | int i; | |
2339 | ||
2340 | for (i = 0; i < MLX4_DIAG_COUNTERS_TYPES; i++) { | |
2341 | kfree(ibdev->diag_counters[i].offset); | |
2342 | kfree(ibdev->diag_counters[i].name); | |
2343 | } | |
2344 | } | |
2345 | ||
9433c188 MB |
2346 | #define MLX4_IB_INVALID_MAC ((u64)-1) |
2347 | static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev, | |
2348 | struct net_device *dev, | |
2349 | int port) | |
2350 | { | |
2351 | u64 new_smac = 0; | |
2352 | u64 release_mac = MLX4_IB_INVALID_MAC; | |
2353 | struct mlx4_ib_qp *qp; | |
2354 | ||
2355 | read_lock(&dev_base_lock); | |
2356 | new_smac = mlx4_mac_to_u64(dev->dev_addr); | |
2357 | read_unlock(&dev_base_lock); | |
2358 | ||
3e0629cb JM |
2359 | atomic64_set(&ibdev->iboe.mac[port - 1], new_smac); |
2360 | ||
d24d9f43 JM |
2361 | /* no need for update QP1 and mac registration in non-SRIOV */ |
2362 | if (!mlx4_is_mfunc(ibdev->dev)) | |
2363 | return; | |
2364 | ||
9433c188 MB |
2365 | mutex_lock(&ibdev->qp1_proxy_lock[port - 1]); |
2366 | qp = ibdev->qp1_proxy[port - 1]; | |
2367 | if (qp) { | |
2368 | int new_smac_index; | |
25476b02 | 2369 | u64 old_smac; |
9433c188 MB |
2370 | struct mlx4_update_qp_params update_params; |
2371 | ||
25476b02 JM |
2372 | mutex_lock(&qp->mutex); |
2373 | old_smac = qp->pri.smac; | |
9433c188 MB |
2374 | if (new_smac == old_smac) |
2375 | goto unlock; | |
2376 | ||
2377 | new_smac_index = mlx4_register_mac(ibdev->dev, port, new_smac); | |
2378 | ||
2379 | if (new_smac_index < 0) | |
2380 | goto unlock; | |
2381 | ||
2382 | update_params.smac_index = new_smac_index; | |
09e05c3f | 2383 | if (mlx4_update_qp(ibdev->dev, qp->mqp.qpn, MLX4_UPDATE_QP_SMAC, |
9433c188 MB |
2384 | &update_params)) { |
2385 | release_mac = new_smac; | |
2386 | goto unlock; | |
2387 | } | |
25476b02 JM |
2388 | /* if old port was zero, no mac was yet registered for this QP */ |
2389 | if (qp->pri.smac_port) | |
2390 | release_mac = old_smac; | |
9433c188 | 2391 | qp->pri.smac = new_smac; |
25476b02 | 2392 | qp->pri.smac_port = port; |
9433c188 | 2393 | qp->pri.smac_index = new_smac_index; |
9433c188 MB |
2394 | } |
2395 | ||
2396 | unlock: | |
9433c188 MB |
2397 | if (release_mac != MLX4_IB_INVALID_MAC) |
2398 | mlx4_unregister_mac(ibdev->dev, port, release_mac); | |
25476b02 JM |
2399 | if (qp) |
2400 | mutex_unlock(&qp->mutex); | |
2401 | mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]); | |
9433c188 MB |
2402 | } |
2403 | ||
9433c188 MB |
2404 | static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev, |
2405 | struct net_device *dev, | |
2406 | unsigned long event) | |
2407 | ||
d487ee77 | 2408 | { |
fa417f7b | 2409 | struct mlx4_ib_iboe *iboe; |
9433c188 | 2410 | int update_qps_port = -1; |
fa417f7b EC |
2411 | int port; |
2412 | ||
5070cd22 MS |
2413 | ASSERT_RTNL(); |
2414 | ||
fa417f7b EC |
2415 | iboe = &ibdev->iboe; |
2416 | ||
dba3ad2a | 2417 | spin_lock_bh(&iboe->lock); |
fa417f7b | 2418 | mlx4_foreach_ib_transport_port(port, ibdev->dev) { |
ad4885d2 | 2419 | |
fa417f7b | 2420 | iboe->netdevs[port - 1] = |
0345584e | 2421 | mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port); |
fa417f7b | 2422 | |
9433c188 MB |
2423 | if (dev == iboe->netdevs[port - 1] && |
2424 | (event == NETDEV_CHANGEADDR || event == NETDEV_REGISTER || | |
2425 | event == NETDEV_UP || event == NETDEV_CHANGE)) | |
2426 | update_qps_port = port; | |
2427 | ||
d487ee77 | 2428 | } |
dba3ad2a | 2429 | spin_unlock_bh(&iboe->lock); |
9433c188 MB |
2430 | |
2431 | if (update_qps_port > 0) | |
2432 | mlx4_ib_update_qps(ibdev, dev, update_qps_port); | |
d487ee77 MS |
2433 | } |
2434 | ||
2435 | static int mlx4_ib_netdev_event(struct notifier_block *this, | |
2436 | unsigned long event, void *ptr) | |
2437 | { | |
2438 | struct net_device *dev = netdev_notifier_info_to_dev(ptr); | |
2439 | struct mlx4_ib_dev *ibdev; | |
2440 | ||
2441 | if (!net_eq(dev_net(dev), &init_net)) | |
2442 | return NOTIFY_DONE; | |
2443 | ||
2444 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb); | |
9433c188 | 2445 | mlx4_ib_scan_netdevs(ibdev, dev, event); |
fa417f7b EC |
2446 | |
2447 | return NOTIFY_DONE; | |
2448 | } | |
2449 | ||
54679e14 JM |
2450 | static void init_pkeys(struct mlx4_ib_dev *ibdev) |
2451 | { | |
2452 | int port; | |
2453 | int slave; | |
2454 | int i; | |
2455 | ||
2456 | if (mlx4_is_master(ibdev->dev)) { | |
872bf2fb YH |
2457 | for (slave = 0; slave <= ibdev->dev->persist->num_vfs; |
2458 | ++slave) { | |
54679e14 JM |
2459 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { |
2460 | for (i = 0; | |
2461 | i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; | |
2462 | ++i) { | |
2463 | ibdev->pkeys.virt2phys_pkey[slave][port - 1][i] = | |
2464 | /* master has the identity virt2phys pkey mapping */ | |
2465 | (slave == mlx4_master_func_num(ibdev->dev) || !i) ? i : | |
2466 | ibdev->dev->phys_caps.pkey_phys_table_len[port] - 1; | |
2467 | mlx4_sync_pkey_table(ibdev->dev, slave, port, i, | |
2468 | ibdev->pkeys.virt2phys_pkey[slave][port - 1][i]); | |
2469 | } | |
2470 | } | |
2471 | } | |
2472 | /* initialize pkey cache */ | |
2473 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { | |
2474 | for (i = 0; | |
2475 | i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; | |
2476 | ++i) | |
2477 | ibdev->pkeys.phys_pkey_cache[port-1][i] = | |
2478 | (i) ? 0 : 0xFFFF; | |
2479 | } | |
2480 | } | |
2481 | } | |
2482 | ||
e605b743 SP |
2483 | static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) |
2484 | { | |
c66fa19c | 2485 | int i, j, eq = 0, total_eqs = 0; |
e605b743 | 2486 | |
c66fa19c MB |
2487 | ibdev->eq_table = kcalloc(dev->caps.num_comp_vectors, |
2488 | sizeof(ibdev->eq_table[0]), GFP_KERNEL); | |
e605b743 SP |
2489 | if (!ibdev->eq_table) |
2490 | return; | |
2491 | ||
c66fa19c MB |
2492 | for (i = 1; i <= dev->caps.num_ports; i++) { |
2493 | for (j = 0; j < mlx4_get_eqs_per_port(dev, i); | |
2494 | j++, total_eqs++) { | |
2495 | if (i > 1 && mlx4_is_eq_shared(dev, total_eqs)) | |
2496 | continue; | |
2497 | ibdev->eq_table[eq] = total_eqs; | |
2498 | if (!mlx4_assign_eq(dev, i, | |
2499 | &ibdev->eq_table[eq])) | |
2500 | eq++; | |
2501 | else | |
2502 | ibdev->eq_table[eq] = -1; | |
e605b743 SP |
2503 | } |
2504 | } | |
2505 | ||
c66fa19c MB |
2506 | for (i = eq; i < dev->caps.num_comp_vectors; |
2507 | ibdev->eq_table[i++] = -1) | |
2508 | ; | |
e605b743 SP |
2509 | |
2510 | /* Advertise the new number of EQs to clients */ | |
c66fa19c | 2511 | ibdev->ib_dev.num_comp_vectors = eq; |
e605b743 SP |
2512 | } |
2513 | ||
2514 | static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) | |
2515 | { | |
2516 | int i; | |
c66fa19c | 2517 | int total_eqs = ibdev->ib_dev.num_comp_vectors; |
3aac6ff1 | 2518 | |
c66fa19c | 2519 | /* no eqs were allocated */ |
3aac6ff1 SP |
2520 | if (!ibdev->eq_table) |
2521 | return; | |
e605b743 SP |
2522 | |
2523 | /* Reset the advertised EQ number */ | |
c66fa19c | 2524 | ibdev->ib_dev.num_comp_vectors = 0; |
e605b743 | 2525 | |
c66fa19c | 2526 | for (i = 0; i < total_eqs; i++) |
e605b743 | 2527 | mlx4_release_eq(dev, ibdev->eq_table[i]); |
e605b743 | 2528 | |
e605b743 | 2529 | kfree(ibdev->eq_table); |
c66fa19c | 2530 | ibdev->eq_table = NULL; |
e605b743 SP |
2531 | } |
2532 | ||
7738613e IW |
2533 | static int mlx4_port_immutable(struct ib_device *ibdev, u8 port_num, |
2534 | struct ib_port_immutable *immutable) | |
2535 | { | |
2536 | struct ib_port_attr attr; | |
4ed088e6 | 2537 | struct mlx4_ib_dev *mdev = to_mdev(ibdev); |
7738613e IW |
2538 | int err; |
2539 | ||
2540 | err = mlx4_ib_query_port(ibdev, port_num, &attr); | |
2541 | if (err) | |
2542 | return err; | |
2543 | ||
2544 | immutable->pkey_tbl_len = attr.pkey_tbl_len; | |
2545 | immutable->gid_tbl_len = attr.gid_tbl_len; | |
2546 | ||
4ed088e6 | 2547 | if (mlx4_ib_port_link_layer(ibdev, port_num) == IB_LINK_LAYER_INFINIBAND) { |
f9b22e35 | 2548 | immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB; |
bc63f9d5 | 2549 | immutable->max_mad_size = IB_MGMT_MAD_SIZE; |
4ed088e6 MB |
2550 | } else { |
2551 | if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) | |
2552 | immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE; | |
2553 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2) | |
2554 | immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE | | |
2555 | RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP; | |
bc63f9d5 OG |
2556 | immutable->core_cap_flags |= RDMA_CORE_PORT_RAW_PACKET; |
2557 | if (immutable->core_cap_flags & (RDMA_CORE_PORT_IBA_ROCE | | |
2558 | RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP)) | |
2559 | immutable->max_mad_size = IB_MGMT_MAD_SIZE; | |
4ed088e6 | 2560 | } |
f9b22e35 | 2561 | |
7738613e IW |
2562 | return 0; |
2563 | } | |
2564 | ||
e9db59fc IW |
2565 | static void get_fw_ver_str(struct ib_device *device, char *str, |
2566 | size_t str_len) | |
2567 | { | |
2568 | struct mlx4_ib_dev *dev = | |
2569 | container_of(device, struct mlx4_ib_dev, ib_dev); | |
2570 | snprintf(str, str_len, "%d.%d.%d", | |
2571 | (int) (dev->dev->caps.fw_ver >> 32), | |
2572 | (int) (dev->dev->caps.fw_ver >> 16) & 0xffff, | |
2573 | (int) dev->dev->caps.fw_ver & 0xffff); | |
2574 | } | |
2575 | ||
225c7b1f RD |
2576 | static void *mlx4_ib_add(struct mlx4_dev *dev) |
2577 | { | |
2578 | struct mlx4_ib_dev *ibdev; | |
22e7ef9c | 2579 | int num_ports = 0; |
035b1032 | 2580 | int i, j; |
fa417f7b EC |
2581 | int err; |
2582 | struct mlx4_ib_iboe *iboe; | |
4196670b | 2583 | int ib_num_ports = 0; |
a5750090 | 2584 | int num_req_counters; |
c3abb51b EBE |
2585 | int allocated; |
2586 | u32 counter_index; | |
3ba8e31d | 2587 | struct counter_index *new_counter_index = NULL; |
225c7b1f | 2588 | |
987c8f8f | 2589 | pr_info_once("%s", mlx4_ib_version); |
68f3948d | 2590 | |
026149cb | 2591 | num_ports = 0; |
fa417f7b | 2592 | mlx4_foreach_ib_transport_port(i, dev) |
22e7ef9c RD |
2593 | num_ports++; |
2594 | ||
2595 | /* No point in registering a device with no ports... */ | |
2596 | if (num_ports == 0) | |
2597 | return NULL; | |
2598 | ||
225c7b1f RD |
2599 | ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev); |
2600 | if (!ibdev) { | |
872bf2fb YH |
2601 | dev_err(&dev->persist->pdev->dev, |
2602 | "Device struct alloc failed\n"); | |
225c7b1f RD |
2603 | return NULL; |
2604 | } | |
2605 | ||
fa417f7b EC |
2606 | iboe = &ibdev->iboe; |
2607 | ||
225c7b1f RD |
2608 | if (mlx4_pd_alloc(dev, &ibdev->priv_pdn)) |
2609 | goto err_dealloc; | |
2610 | ||
2611 | if (mlx4_uar_alloc(dev, &ibdev->priv_uar)) | |
2612 | goto err_pd; | |
2613 | ||
4979d18f RD |
2614 | ibdev->uar_map = ioremap((phys_addr_t) ibdev->priv_uar.pfn << PAGE_SHIFT, |
2615 | PAGE_SIZE); | |
225c7b1f RD |
2616 | if (!ibdev->uar_map) |
2617 | goto err_uar; | |
26c6bc7b | 2618 | MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock); |
225c7b1f | 2619 | |
225c7b1f | 2620 | ibdev->dev = dev; |
c6215745 | 2621 | ibdev->bond_next_port = 0; |
225c7b1f RD |
2622 | |
2623 | strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX); | |
2624 | ibdev->ib_dev.owner = THIS_MODULE; | |
2625 | ibdev->ib_dev.node_type = RDMA_NODE_IB_CA; | |
95d04f07 | 2626 | ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey; |
22e7ef9c | 2627 | ibdev->num_ports = num_ports; |
a5750090 MS |
2628 | ibdev->ib_dev.phys_port_cnt = mlx4_is_bonded(dev) ? |
2629 | 1 : ibdev->num_ports; | |
b8dd786f | 2630 | ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; |
872bf2fb | 2631 | ibdev->ib_dev.dma_device = &dev->persist->pdev->dev; |
5070cd22 MS |
2632 | ibdev->ib_dev.get_netdev = mlx4_ib_get_netdev; |
2633 | ibdev->ib_dev.add_gid = mlx4_ib_add_gid; | |
2634 | ibdev->ib_dev.del_gid = mlx4_ib_del_gid; | |
225c7b1f | 2635 | |
08ff3235 OG |
2636 | if (dev->caps.userspace_caps) |
2637 | ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION; | |
2638 | else | |
2639 | ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION; | |
2640 | ||
225c7b1f RD |
2641 | ibdev->ib_dev.uverbs_cmd_mask = |
2642 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | | |
2643 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | | |
2644 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | | |
2645 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | | |
2646 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | | |
2647 | (1ull << IB_USER_VERBS_CMD_REG_MR) | | |
9376932d | 2648 | (1ull << IB_USER_VERBS_CMD_REREG_MR) | |
225c7b1f RD |
2649 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | |
2650 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | | |
2651 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | | |
bbf8eed1 | 2652 | (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | |
225c7b1f RD |
2653 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | |
2654 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | | |
2655 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | | |
6a775e2b | 2656 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | |
225c7b1f RD |
2657 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | |
2658 | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | | |
2659 | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | | |
2660 | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | | |
2661 | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | | |
65541cb7 | 2662 | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | |
18abd5ea | 2663 | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | |
42849b26 SH |
2664 | (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | |
2665 | (1ull << IB_USER_VERBS_CMD_OPEN_QP); | |
225c7b1f RD |
2666 | |
2667 | ibdev->ib_dev.query_device = mlx4_ib_query_device; | |
2668 | ibdev->ib_dev.query_port = mlx4_ib_query_port; | |
fa417f7b | 2669 | ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer; |
225c7b1f RD |
2670 | ibdev->ib_dev.query_gid = mlx4_ib_query_gid; |
2671 | ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey; | |
2672 | ibdev->ib_dev.modify_device = mlx4_ib_modify_device; | |
2673 | ibdev->ib_dev.modify_port = mlx4_ib_modify_port; | |
2674 | ibdev->ib_dev.alloc_ucontext = mlx4_ib_alloc_ucontext; | |
2675 | ibdev->ib_dev.dealloc_ucontext = mlx4_ib_dealloc_ucontext; | |
2676 | ibdev->ib_dev.mmap = mlx4_ib_mmap; | |
2677 | ibdev->ib_dev.alloc_pd = mlx4_ib_alloc_pd; | |
2678 | ibdev->ib_dev.dealloc_pd = mlx4_ib_dealloc_pd; | |
2679 | ibdev->ib_dev.create_ah = mlx4_ib_create_ah; | |
2680 | ibdev->ib_dev.query_ah = mlx4_ib_query_ah; | |
2681 | ibdev->ib_dev.destroy_ah = mlx4_ib_destroy_ah; | |
2682 | ibdev->ib_dev.create_srq = mlx4_ib_create_srq; | |
2683 | ibdev->ib_dev.modify_srq = mlx4_ib_modify_srq; | |
65541cb7 | 2684 | ibdev->ib_dev.query_srq = mlx4_ib_query_srq; |
225c7b1f RD |
2685 | ibdev->ib_dev.destroy_srq = mlx4_ib_destroy_srq; |
2686 | ibdev->ib_dev.post_srq_recv = mlx4_ib_post_srq_recv; | |
2687 | ibdev->ib_dev.create_qp = mlx4_ib_create_qp; | |
2688 | ibdev->ib_dev.modify_qp = mlx4_ib_modify_qp; | |
6a775e2b | 2689 | ibdev->ib_dev.query_qp = mlx4_ib_query_qp; |
225c7b1f RD |
2690 | ibdev->ib_dev.destroy_qp = mlx4_ib_destroy_qp; |
2691 | ibdev->ib_dev.post_send = mlx4_ib_post_send; | |
2692 | ibdev->ib_dev.post_recv = mlx4_ib_post_recv; | |
2693 | ibdev->ib_dev.create_cq = mlx4_ib_create_cq; | |
3fdcb97f | 2694 | ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq; |
bbf8eed1 | 2695 | ibdev->ib_dev.resize_cq = mlx4_ib_resize_cq; |
225c7b1f RD |
2696 | ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq; |
2697 | ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq; | |
2698 | ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq; | |
2699 | ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr; | |
2700 | ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr; | |
9376932d | 2701 | ibdev->ib_dev.rereg_user_mr = mlx4_ib_rereg_user_mr; |
225c7b1f | 2702 | ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr; |
679e34d1 | 2703 | ibdev->ib_dev.alloc_mr = mlx4_ib_alloc_mr; |
1b2cd0fc | 2704 | ibdev->ib_dev.map_mr_sg = mlx4_ib_map_mr_sg; |
225c7b1f RD |
2705 | ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach; |
2706 | ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach; | |
2707 | ibdev->ib_dev.process_mad = mlx4_ib_process_mad; | |
7738613e | 2708 | ibdev->ib_dev.get_port_immutable = mlx4_port_immutable; |
e9db59fc | 2709 | ibdev->ib_dev.get_dev_fw_str = get_fw_ver_str; |
ae184dde | 2710 | ibdev->ib_dev.disassociate_ucontext = mlx4_ib_disassociate_ucontext; |
225c7b1f | 2711 | |
992e8e6e JM |
2712 | if (!mlx4_is_slave(ibdev->dev)) { |
2713 | ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc; | |
2714 | ibdev->ib_dev.map_phys_fmr = mlx4_ib_map_phys_fmr; | |
2715 | ibdev->ib_dev.unmap_fmr = mlx4_ib_unmap_fmr; | |
2716 | ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc; | |
2717 | } | |
8ad11fb6 | 2718 | |
b425388d SM |
2719 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || |
2720 | dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { | |
2721 | ibdev->ib_dev.alloc_mw = mlx4_ib_alloc_mw; | |
b425388d SM |
2722 | ibdev->ib_dev.dealloc_mw = mlx4_ib_dealloc_mw; |
2723 | ||
2724 | ibdev->ib_dev.uverbs_cmd_mask |= | |
2725 | (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | | |
2726 | (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); | |
2727 | } | |
2728 | ||
012a8ff5 SH |
2729 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) { |
2730 | ibdev->ib_dev.alloc_xrcd = mlx4_ib_alloc_xrcd; | |
2731 | ibdev->ib_dev.dealloc_xrcd = mlx4_ib_dealloc_xrcd; | |
2732 | ibdev->ib_dev.uverbs_cmd_mask |= | |
2733 | (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | | |
2734 | (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); | |
2735 | } | |
2736 | ||
f77c0162 | 2737 | if (check_flow_steering_support(dev)) { |
0a9b7d59 | 2738 | ibdev->steering_support = MLX4_STEERING_MODE_DEVICE_MANAGED; |
f77c0162 HHZ |
2739 | ibdev->ib_dev.create_flow = mlx4_ib_create_flow; |
2740 | ibdev->ib_dev.destroy_flow = mlx4_ib_destroy_flow; | |
2741 | ||
f21519b2 YD |
2742 | ibdev->ib_dev.uverbs_ex_cmd_mask |= |
2743 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | | |
2744 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW); | |
f77c0162 HHZ |
2745 | } |
2746 | ||
4b664c43 MB |
2747 | ibdev->ib_dev.uverbs_ex_cmd_mask |= |
2748 | (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) | | |
fbfb6625 EBE |
2749 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) | |
2750 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP); | |
4b664c43 | 2751 | |
e605b743 SP |
2752 | mlx4_ib_alloc_eqs(dev, ibdev); |
2753 | ||
fa417f7b EC |
2754 | spin_lock_init(&iboe->lock); |
2755 | ||
225c7b1f RD |
2756 | if (init_node_data(ibdev)) |
2757 | goto err_map; | |
fd10ed8e | 2758 | mlx4_init_sl2vl_tbl(ibdev); |
225c7b1f | 2759 | |
3ba8e31d EBE |
2760 | for (i = 0; i < ibdev->num_ports; ++i) { |
2761 | mutex_init(&ibdev->counters_table[i].mutex); | |
2762 | INIT_LIST_HEAD(&ibdev->counters_table[i].counters_list); | |
2763 | } | |
2764 | ||
a5750090 MS |
2765 | num_req_counters = mlx4_is_bonded(dev) ? 1 : ibdev->num_ports; |
2766 | for (i = 0; i < num_req_counters; ++i) { | |
9433c188 | 2767 | mutex_init(&ibdev->qp1_proxy_lock[i]); |
c3abb51b | 2768 | allocated = 0; |
cfcde11c OG |
2769 | if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) == |
2770 | IB_LINK_LAYER_ETHERNET) { | |
c3abb51b EBE |
2771 | err = mlx4_counter_alloc(ibdev->dev, &counter_index); |
2772 | /* if failed to allocate a new counter, use default */ | |
cfcde11c | 2773 | if (err) |
c3abb51b EBE |
2774 | counter_index = |
2775 | mlx4_get_default_counter_index(dev, | |
2776 | i + 1); | |
2777 | else | |
2778 | allocated = 1; | |
2779 | } else { /* IB_LINK_LAYER_INFINIBAND use the default counter */ | |
2780 | counter_index = mlx4_get_default_counter_index(dev, | |
2781 | i + 1); | |
3839d8ac | 2782 | } |
3ba8e31d EBE |
2783 | new_counter_index = kmalloc(sizeof(*new_counter_index), |
2784 | GFP_KERNEL); | |
2785 | if (!new_counter_index) { | |
2786 | if (allocated) | |
2787 | mlx4_counter_free(ibdev->dev, counter_index); | |
2788 | goto err_counter; | |
2789 | } | |
2790 | new_counter_index->index = counter_index; | |
2791 | new_counter_index->allocated = allocated; | |
2792 | list_add_tail(&new_counter_index->list, | |
2793 | &ibdev->counters_table[i].counters_list); | |
2794 | ibdev->counters_table[i].default_counter = counter_index; | |
c3abb51b EBE |
2795 | pr_info("counter index %d for port %d allocated %d\n", |
2796 | counter_index, i + 1, allocated); | |
cfcde11c | 2797 | } |
a5750090 | 2798 | if (mlx4_is_bonded(dev)) |
c3abb51b | 2799 | for (i = 1; i < ibdev->num_ports ; ++i) { |
3ba8e31d EBE |
2800 | new_counter_index = |
2801 | kmalloc(sizeof(struct counter_index), | |
2802 | GFP_KERNEL); | |
2803 | if (!new_counter_index) | |
2804 | goto err_counter; | |
2805 | new_counter_index->index = counter_index; | |
2806 | new_counter_index->allocated = 0; | |
2807 | list_add_tail(&new_counter_index->list, | |
2808 | &ibdev->counters_table[i].counters_list); | |
2809 | ibdev->counters_table[i].default_counter = | |
2810 | counter_index; | |
c3abb51b | 2811 | } |
cfcde11c | 2812 | |
4196670b MB |
2813 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) |
2814 | ib_num_ports++; | |
2815 | ||
225c7b1f RD |
2816 | spin_lock_init(&ibdev->sm_lock); |
2817 | mutex_init(&ibdev->cap_mask_mutex); | |
35f05dab YH |
2818 | INIT_LIST_HEAD(&ibdev->qp_list); |
2819 | spin_lock_init(&ibdev->reset_flow_resource_lock); | |
225c7b1f | 2820 | |
4196670b MB |
2821 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED && |
2822 | ib_num_ports) { | |
c1c98501 MB |
2823 | ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS; |
2824 | err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count, | |
2825 | MLX4_IB_UC_STEER_QPN_ALIGN, | |
ddae0349 | 2826 | &ibdev->steer_qpn_base, 0); |
c1c98501 MB |
2827 | if (err) |
2828 | goto err_counter; | |
2829 | ||
2830 | ibdev->ib_uc_qpns_bitmap = | |
2831 | kmalloc(BITS_TO_LONGS(ibdev->steer_qpn_count) * | |
2832 | sizeof(long), | |
2833 | GFP_KERNEL); | |
15d4626e | 2834 | if (!ibdev->ib_uc_qpns_bitmap) |
c1c98501 | 2835 | goto err_steer_qp_release; |
c1c98501 | 2836 | |
1f22e454 EBE |
2837 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_IPOIB) { |
2838 | bitmap_zero(ibdev->ib_uc_qpns_bitmap, | |
2839 | ibdev->steer_qpn_count); | |
2840 | err = mlx4_FLOW_STEERING_IB_UC_QP_RANGE( | |
2841 | dev, ibdev->steer_qpn_base, | |
2842 | ibdev->steer_qpn_base + | |
2843 | ibdev->steer_qpn_count - 1); | |
2844 | if (err) | |
2845 | goto err_steer_free_bitmap; | |
2846 | } else { | |
2847 | bitmap_fill(ibdev->ib_uc_qpns_bitmap, | |
2848 | ibdev->steer_qpn_count); | |
2849 | } | |
c1c98501 MB |
2850 | } |
2851 | ||
3e0629cb JM |
2852 | for (j = 1; j <= ibdev->dev->caps.num_ports; j++) |
2853 | atomic64_set(&iboe->mac[j - 1], ibdev->dev->caps.def_mac[j]); | |
2854 | ||
3f85f2aa | 2855 | if (mlx4_ib_alloc_diag_counters(ibdev)) |
c1c98501 | 2856 | goto err_steer_free_bitmap; |
225c7b1f | 2857 | |
3f85f2aa MB |
2858 | if (ib_register_device(&ibdev->ib_dev, NULL)) |
2859 | goto err_diag_counters; | |
2860 | ||
225c7b1f RD |
2861 | if (mlx4_ib_mad_init(ibdev)) |
2862 | goto err_reg; | |
2863 | ||
fc06573d JM |
2864 | if (mlx4_ib_init_sriov(ibdev)) |
2865 | goto err_mad; | |
2866 | ||
71a39bbb MS |
2867 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE || |
2868 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2) { | |
d487ee77 MS |
2869 | if (!iboe->nb.notifier_call) { |
2870 | iboe->nb.notifier_call = mlx4_ib_netdev_event; | |
2871 | err = register_netdevice_notifier(&iboe->nb); | |
2872 | if (err) { | |
2873 | iboe->nb.notifier_call = NULL; | |
2874 | goto err_notif; | |
2875 | } | |
2876 | } | |
71a39bbb MS |
2877 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2) { |
2878 | err = mlx4_config_roce_v2_port(dev, ROCE_V2_UDP_DPORT); | |
2879 | if (err) { | |
2880 | goto err_notif; | |
2881 | } | |
2882 | } | |
fa417f7b EC |
2883 | } |
2884 | ||
035b1032 | 2885 | for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) { |
f4e91eb4 | 2886 | if (device_create_file(&ibdev->ib_dev.dev, |
035b1032 | 2887 | mlx4_class_attributes[j])) |
fa417f7b | 2888 | goto err_notif; |
cd9281d8 JM |
2889 | } |
2890 | ||
3b4a8cd5 | 2891 | ibdev->ib_active = true; |
09d4d087 JP |
2892 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) |
2893 | devlink_port_type_ib_set(mlx4_get_devlink_port(dev, i), | |
2894 | &ibdev->ib_dev); | |
3b4a8cd5 | 2895 | |
54679e14 JM |
2896 | if (mlx4_is_mfunc(ibdev->dev)) |
2897 | init_pkeys(ibdev); | |
2898 | ||
3806d08c JM |
2899 | /* create paravirt contexts for any VFs which are active */ |
2900 | if (mlx4_is_master(ibdev->dev)) { | |
2901 | for (j = 0; j < MLX4_MFUNC_MAX; j++) { | |
2902 | if (j == mlx4_master_func_num(ibdev->dev)) | |
2903 | continue; | |
2904 | if (mlx4_is_slave_active(ibdev->dev, j)) | |
2905 | do_slave_init(ibdev, j, 1); | |
2906 | } | |
2907 | } | |
225c7b1f RD |
2908 | return ibdev; |
2909 | ||
fa417f7b | 2910 | err_notif: |
d487ee77 MS |
2911 | if (ibdev->iboe.nb.notifier_call) { |
2912 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) | |
2913 | pr_warn("failure unregistering notifier\n"); | |
2914 | ibdev->iboe.nb.notifier_call = NULL; | |
2915 | } | |
fa417f7b EC |
2916 | flush_workqueue(wq); |
2917 | ||
fc06573d JM |
2918 | mlx4_ib_close_sriov(ibdev); |
2919 | ||
2920 | err_mad: | |
2921 | mlx4_ib_mad_cleanup(ibdev); | |
2922 | ||
225c7b1f RD |
2923 | err_reg: |
2924 | ib_unregister_device(&ibdev->ib_dev); | |
2925 | ||
3f85f2aa MB |
2926 | err_diag_counters: |
2927 | mlx4_ib_diag_cleanup(ibdev); | |
2928 | ||
c1c98501 MB |
2929 | err_steer_free_bitmap: |
2930 | kfree(ibdev->ib_uc_qpns_bitmap); | |
2931 | ||
2932 | err_steer_qp_release: | |
2933 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2934 | mlx4_qp_release_range(dev, ibdev->steer_qpn_base, | |
2935 | ibdev->steer_qpn_count); | |
cfcde11c | 2936 | err_counter: |
3ba8e31d EBE |
2937 | for (i = 0; i < ibdev->num_ports; ++i) |
2938 | mlx4_ib_delete_counters_table(ibdev, &ibdev->counters_table[i]); | |
2939 | ||
225c7b1f RD |
2940 | err_map: |
2941 | iounmap(ibdev->uar_map); | |
2942 | ||
2943 | err_uar: | |
2944 | mlx4_uar_free(dev, &ibdev->priv_uar); | |
2945 | ||
2946 | err_pd: | |
2947 | mlx4_pd_free(dev, ibdev->priv_pdn); | |
2948 | ||
2949 | err_dealloc: | |
2950 | ib_dealloc_device(&ibdev->ib_dev); | |
2951 | ||
2952 | return NULL; | |
2953 | } | |
2954 | ||
c1c98501 MB |
2955 | int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn) |
2956 | { | |
2957 | int offset; | |
2958 | ||
2959 | WARN_ON(!dev->ib_uc_qpns_bitmap); | |
2960 | ||
2961 | offset = bitmap_find_free_region(dev->ib_uc_qpns_bitmap, | |
2962 | dev->steer_qpn_count, | |
2963 | get_count_order(count)); | |
2964 | if (offset < 0) | |
2965 | return offset; | |
2966 | ||
2967 | *qpn = dev->steer_qpn_base + offset; | |
2968 | return 0; | |
2969 | } | |
2970 | ||
2971 | void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count) | |
2972 | { | |
2973 | if (!qpn || | |
2974 | dev->steering_support != MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2975 | return; | |
2976 | ||
2977 | BUG_ON(qpn < dev->steer_qpn_base); | |
2978 | ||
2979 | bitmap_release_region(dev->ib_uc_qpns_bitmap, | |
2980 | qpn - dev->steer_qpn_base, | |
2981 | get_count_order(count)); | |
2982 | } | |
2983 | ||
2984 | int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, | |
2985 | int is_attach) | |
2986 | { | |
2987 | int err; | |
2988 | size_t flow_size; | |
2989 | struct ib_flow_attr *flow = NULL; | |
2990 | struct ib_flow_spec_ib *ib_spec; | |
2991 | ||
2992 | if (is_attach) { | |
2993 | flow_size = sizeof(struct ib_flow_attr) + | |
2994 | sizeof(struct ib_flow_spec_ib); | |
2995 | flow = kzalloc(flow_size, GFP_KERNEL); | |
2996 | if (!flow) | |
2997 | return -ENOMEM; | |
2998 | flow->port = mqp->port; | |
2999 | flow->num_of_specs = 1; | |
3000 | flow->size = flow_size; | |
3001 | ib_spec = (struct ib_flow_spec_ib *)(flow + 1); | |
3002 | ib_spec->type = IB_FLOW_SPEC_IB; | |
3003 | ib_spec->size = sizeof(struct ib_flow_spec_ib); | |
3004 | /* Add an empty rule for IB L2 */ | |
3005 | memset(&ib_spec->mask, 0, sizeof(ib_spec->mask)); | |
3006 | ||
3007 | err = __mlx4_ib_create_flow(&mqp->ibqp, flow, | |
3008 | IB_FLOW_DOMAIN_NIC, | |
3009 | MLX4_FS_REGULAR, | |
3010 | &mqp->reg_id); | |
3011 | } else { | |
3012 | err = __mlx4_ib_destroy_flow(mdev->dev, mqp->reg_id); | |
3013 | } | |
3014 | kfree(flow); | |
3015 | return err; | |
3016 | } | |
3017 | ||
225c7b1f RD |
3018 | static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr) |
3019 | { | |
3020 | struct mlx4_ib_dev *ibdev = ibdev_ptr; | |
3021 | int p; | |
09d4d087 | 3022 | int i; |
225c7b1f | 3023 | |
09d4d087 JP |
3024 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) |
3025 | devlink_port_type_clear(mlx4_get_devlink_port(dev, i)); | |
4bf9715f MS |
3026 | ibdev->ib_active = false; |
3027 | flush_workqueue(wq); | |
3028 | ||
fc06573d | 3029 | mlx4_ib_close_sriov(ibdev); |
a6a47771 YP |
3030 | mlx4_ib_mad_cleanup(ibdev); |
3031 | ib_unregister_device(&ibdev->ib_dev); | |
3f85f2aa | 3032 | mlx4_ib_diag_cleanup(ibdev); |
fa417f7b EC |
3033 | if (ibdev->iboe.nb.notifier_call) { |
3034 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) | |
987c8f8f | 3035 | pr_warn("failure unregistering notifier\n"); |
fa417f7b EC |
3036 | ibdev->iboe.nb.notifier_call = NULL; |
3037 | } | |
c1c98501 MB |
3038 | |
3039 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
3040 | mlx4_qp_release_range(dev, ibdev->steer_qpn_base, | |
3041 | ibdev->steer_qpn_count); | |
3042 | kfree(ibdev->ib_uc_qpns_bitmap); | |
3043 | } | |
3044 | ||
fa417f7b | 3045 | iounmap(ibdev->uar_map); |
cfcde11c | 3046 | for (p = 0; p < ibdev->num_ports; ++p) |
3ba8e31d EBE |
3047 | mlx4_ib_delete_counters_table(ibdev, &ibdev->counters_table[p]); |
3048 | ||
fa417f7b | 3049 | mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB) |
225c7b1f RD |
3050 | mlx4_CLOSE_PORT(dev, p); |
3051 | ||
e605b743 SP |
3052 | mlx4_ib_free_eqs(dev, ibdev); |
3053 | ||
225c7b1f RD |
3054 | mlx4_uar_free(dev, &ibdev->priv_uar); |
3055 | mlx4_pd_free(dev, ibdev->priv_pdn); | |
3056 | ib_dealloc_device(&ibdev->ib_dev); | |
3057 | } | |
3058 | ||
fc06573d JM |
3059 | static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init) |
3060 | { | |
3061 | struct mlx4_ib_demux_work **dm = NULL; | |
3062 | struct mlx4_dev *dev = ibdev->dev; | |
3063 | int i; | |
3064 | unsigned long flags; | |
449fc488 MB |
3065 | struct mlx4_active_ports actv_ports; |
3066 | unsigned int ports; | |
3067 | unsigned int first_port; | |
fc06573d JM |
3068 | |
3069 | if (!mlx4_is_master(dev)) | |
3070 | return; | |
3071 | ||
449fc488 MB |
3072 | actv_ports = mlx4_get_active_ports(dev, slave); |
3073 | ports = bitmap_weight(actv_ports.ports, dev->caps.num_ports); | |
3074 | first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports); | |
3075 | ||
3076 | dm = kcalloc(ports, sizeof(*dm), GFP_ATOMIC); | |
15d4626e | 3077 | if (!dm) |
a39a98ff | 3078 | return; |
fc06573d | 3079 | |
449fc488 | 3080 | for (i = 0; i < ports; i++) { |
fc06573d JM |
3081 | dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC); |
3082 | if (!dm[i]) { | |
a39a98ff MS |
3083 | while (--i >= 0) |
3084 | kfree(dm[i]); | |
fc06573d JM |
3085 | goto out; |
3086 | } | |
fc06573d | 3087 | INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work); |
449fc488 | 3088 | dm[i]->port = first_port + i + 1; |
fc06573d JM |
3089 | dm[i]->slave = slave; |
3090 | dm[i]->do_init = do_init; | |
3091 | dm[i]->dev = ibdev; | |
d9a047ae DL |
3092 | } |
3093 | /* initialize or tear down tunnel QPs for the slave */ | |
3094 | spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); | |
3095 | if (!ibdev->sriov.is_going_down) { | |
3096 | for (i = 0; i < ports; i++) | |
fc06573d JM |
3097 | queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work); |
3098 | spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); | |
d9a047ae DL |
3099 | } else { |
3100 | spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); | |
3101 | for (i = 0; i < ports; i++) | |
3102 | kfree(dm[i]); | |
fc06573d JM |
3103 | } |
3104 | out: | |
c89d1271 | 3105 | kfree(dm); |
fc06573d JM |
3106 | return; |
3107 | } | |
3108 | ||
35f05dab YH |
3109 | static void mlx4_ib_handle_catas_error(struct mlx4_ib_dev *ibdev) |
3110 | { | |
3111 | struct mlx4_ib_qp *mqp; | |
3112 | unsigned long flags_qp; | |
3113 | unsigned long flags_cq; | |
3114 | struct mlx4_ib_cq *send_mcq, *recv_mcq; | |
3115 | struct list_head cq_notify_list; | |
3116 | struct mlx4_cq *mcq; | |
3117 | unsigned long flags; | |
3118 | ||
3119 | pr_warn("mlx4_ib_handle_catas_error was started\n"); | |
3120 | INIT_LIST_HEAD(&cq_notify_list); | |
3121 | ||
3122 | /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/ | |
3123 | spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags); | |
3124 | ||
3125 | list_for_each_entry(mqp, &ibdev->qp_list, qps_list) { | |
3126 | spin_lock_irqsave(&mqp->sq.lock, flags_qp); | |
3127 | if (mqp->sq.tail != mqp->sq.head) { | |
3128 | send_mcq = to_mcq(mqp->ibqp.send_cq); | |
3129 | spin_lock_irqsave(&send_mcq->lock, flags_cq); | |
3130 | if (send_mcq->mcq.comp && | |
3131 | mqp->ibqp.send_cq->comp_handler) { | |
3132 | if (!send_mcq->mcq.reset_notify_added) { | |
3133 | send_mcq->mcq.reset_notify_added = 1; | |
3134 | list_add_tail(&send_mcq->mcq.reset_notify, | |
3135 | &cq_notify_list); | |
3136 | } | |
3137 | } | |
3138 | spin_unlock_irqrestore(&send_mcq->lock, flags_cq); | |
3139 | } | |
3140 | spin_unlock_irqrestore(&mqp->sq.lock, flags_qp); | |
3141 | /* Now, handle the QP's receive queue */ | |
3142 | spin_lock_irqsave(&mqp->rq.lock, flags_qp); | |
3143 | /* no handling is needed for SRQ */ | |
3144 | if (!mqp->ibqp.srq) { | |
3145 | if (mqp->rq.tail != mqp->rq.head) { | |
3146 | recv_mcq = to_mcq(mqp->ibqp.recv_cq); | |
3147 | spin_lock_irqsave(&recv_mcq->lock, flags_cq); | |
3148 | if (recv_mcq->mcq.comp && | |
3149 | mqp->ibqp.recv_cq->comp_handler) { | |
3150 | if (!recv_mcq->mcq.reset_notify_added) { | |
3151 | recv_mcq->mcq.reset_notify_added = 1; | |
3152 | list_add_tail(&recv_mcq->mcq.reset_notify, | |
3153 | &cq_notify_list); | |
3154 | } | |
3155 | } | |
3156 | spin_unlock_irqrestore(&recv_mcq->lock, | |
3157 | flags_cq); | |
3158 | } | |
3159 | } | |
3160 | spin_unlock_irqrestore(&mqp->rq.lock, flags_qp); | |
3161 | } | |
3162 | ||
3163 | list_for_each_entry(mcq, &cq_notify_list, reset_notify) { | |
3164 | mcq->comp(mcq); | |
3165 | } | |
3166 | spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags); | |
3167 | pr_warn("mlx4_ib_handle_catas_error ended\n"); | |
3168 | } | |
3169 | ||
a5750090 MS |
3170 | static void handle_bonded_port_state_event(struct work_struct *work) |
3171 | { | |
3172 | struct ib_event_work *ew = | |
3173 | container_of(work, struct ib_event_work, work); | |
3174 | struct mlx4_ib_dev *ibdev = ew->ib_dev; | |
3175 | enum ib_port_state bonded_port_state = IB_PORT_NOP; | |
3176 | int i; | |
3177 | struct ib_event ibev; | |
3178 | ||
3179 | kfree(ew); | |
3180 | spin_lock_bh(&ibdev->iboe.lock); | |
3181 | for (i = 0; i < MLX4_MAX_PORTS; ++i) { | |
3182 | struct net_device *curr_netdev = ibdev->iboe.netdevs[i]; | |
217e8b16 | 3183 | enum ib_port_state curr_port_state; |
a5750090 | 3184 | |
217e8b16 MS |
3185 | if (!curr_netdev) |
3186 | continue; | |
3187 | ||
3188 | curr_port_state = | |
a5750090 MS |
3189 | (netif_running(curr_netdev) && |
3190 | netif_carrier_ok(curr_netdev)) ? | |
3191 | IB_PORT_ACTIVE : IB_PORT_DOWN; | |
3192 | ||
3193 | bonded_port_state = (bonded_port_state != IB_PORT_ACTIVE) ? | |
3194 | curr_port_state : IB_PORT_ACTIVE; | |
3195 | } | |
3196 | spin_unlock_bh(&ibdev->iboe.lock); | |
3197 | ||
3198 | ibev.device = &ibdev->ib_dev; | |
3199 | ibev.element.port_num = 1; | |
3200 | ibev.event = (bonded_port_state == IB_PORT_ACTIVE) ? | |
3201 | IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; | |
3202 | ||
3203 | ib_dispatch_event(&ibev); | |
3204 | } | |
3205 | ||
fd10ed8e JM |
3206 | void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port) |
3207 | { | |
3208 | u64 sl2vl; | |
3209 | int err; | |
3210 | ||
3211 | err = mlx4_ib_query_sl2vl(&mdev->ib_dev, port, &sl2vl); | |
3212 | if (err) { | |
3213 | pr_err("Unable to get current sl to vl mapping for port %d. Using all zeroes (%d)\n", | |
3214 | port, err); | |
3215 | sl2vl = 0; | |
3216 | } | |
3217 | atomic64_set(&mdev->sl2vl[port - 1], sl2vl); | |
3218 | } | |
3219 | ||
3220 | static void ib_sl2vl_update_work(struct work_struct *work) | |
3221 | { | |
3222 | struct ib_event_work *ew = container_of(work, struct ib_event_work, work); | |
3223 | struct mlx4_ib_dev *mdev = ew->ib_dev; | |
3224 | int port = ew->port; | |
3225 | ||
3226 | mlx4_ib_sl2vl_update(mdev, port); | |
3227 | ||
3228 | kfree(ew); | |
3229 | } | |
3230 | ||
3231 | void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev, | |
3232 | int port) | |
3233 | { | |
3234 | struct ib_event_work *ew; | |
3235 | ||
3236 | ew = kmalloc(sizeof(*ew), GFP_ATOMIC); | |
3237 | if (ew) { | |
3238 | INIT_WORK(&ew->work, ib_sl2vl_update_work); | |
3239 | ew->port = port; | |
3240 | ew->ib_dev = ibdev; | |
3241 | queue_work(wq, &ew->work); | |
fd10ed8e JM |
3242 | } |
3243 | } | |
3244 | ||
225c7b1f | 3245 | static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, |
00f5ce99 | 3246 | enum mlx4_dev_event event, unsigned long param) |
225c7b1f RD |
3247 | { |
3248 | struct ib_event ibev; | |
7ff93f8b | 3249 | struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr); |
00f5ce99 JM |
3250 | struct mlx4_eqe *eqe = NULL; |
3251 | struct ib_event_work *ew; | |
fc06573d | 3252 | int p = 0; |
00f5ce99 | 3253 | |
a5750090 MS |
3254 | if (mlx4_is_bonded(dev) && |
3255 | ((event == MLX4_DEV_EVENT_PORT_UP) || | |
3256 | (event == MLX4_DEV_EVENT_PORT_DOWN))) { | |
3257 | ew = kmalloc(sizeof(*ew), GFP_ATOMIC); | |
3258 | if (!ew) | |
3259 | return; | |
3260 | INIT_WORK(&ew->work, handle_bonded_port_state_event); | |
3261 | ew->ib_dev = ibdev; | |
3262 | queue_work(wq, &ew->work); | |
3263 | return; | |
3264 | } | |
3265 | ||
00f5ce99 JM |
3266 | if (event == MLX4_DEV_EVENT_PORT_MGMT_CHANGE) |
3267 | eqe = (struct mlx4_eqe *)param; | |
3268 | else | |
fc06573d | 3269 | p = (int) param; |
225c7b1f RD |
3270 | |
3271 | switch (event) { | |
37608eea | 3272 | case MLX4_DEV_EVENT_PORT_UP: |
fc06573d JM |
3273 | if (p > ibdev->num_ports) |
3274 | return; | |
fd10ed8e | 3275 | if (!mlx4_is_slave(dev) && |
a0c64a17 JM |
3276 | rdma_port_get_link_layer(&ibdev->ib_dev, p) == |
3277 | IB_LINK_LAYER_INFINIBAND) { | |
fd10ed8e JM |
3278 | if (mlx4_is_master(dev)) |
3279 | mlx4_ib_invalidate_all_guid_record(ibdev, p); | |
3280 | if (ibdev->dev->flags & MLX4_FLAG_SECURE_HOST && | |
3281 | !(ibdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SL_TO_VL_CHANGE_EVENT)) | |
3282 | mlx4_sched_ib_sl2vl_update_work(ibdev, p); | |
a0c64a17 | 3283 | } |
37608eea | 3284 | ibev.event = IB_EVENT_PORT_ACTIVE; |
225c7b1f RD |
3285 | break; |
3286 | ||
37608eea | 3287 | case MLX4_DEV_EVENT_PORT_DOWN: |
fc06573d JM |
3288 | if (p > ibdev->num_ports) |
3289 | return; | |
37608eea RD |
3290 | ibev.event = IB_EVENT_PORT_ERR; |
3291 | break; | |
3292 | ||
3293 | case MLX4_DEV_EVENT_CATASTROPHIC_ERROR: | |
3b4a8cd5 | 3294 | ibdev->ib_active = false; |
225c7b1f | 3295 | ibev.event = IB_EVENT_DEVICE_FATAL; |
35f05dab | 3296 | mlx4_ib_handle_catas_error(ibdev); |
225c7b1f RD |
3297 | break; |
3298 | ||
00f5ce99 JM |
3299 | case MLX4_DEV_EVENT_PORT_MGMT_CHANGE: |
3300 | ew = kmalloc(sizeof *ew, GFP_ATOMIC); | |
15d4626e | 3301 | if (!ew) |
00f5ce99 | 3302 | break; |
00f5ce99 JM |
3303 | |
3304 | INIT_WORK(&ew->work, handle_port_mgmt_change_event); | |
3305 | memcpy(&ew->ib_eqe, eqe, sizeof *eqe); | |
3306 | ew->ib_dev = ibdev; | |
992e8e6e JM |
3307 | /* need to queue only for port owner, which uses GEN_EQE */ |
3308 | if (mlx4_is_master(dev)) | |
3309 | queue_work(wq, &ew->work); | |
3310 | else | |
3311 | handle_port_mgmt_change_event(&ew->work); | |
00f5ce99 JM |
3312 | return; |
3313 | ||
fc06573d JM |
3314 | case MLX4_DEV_EVENT_SLAVE_INIT: |
3315 | /* here, p is the slave id */ | |
3316 | do_slave_init(ibdev, p, 1); | |
ee59fa0d YH |
3317 | if (mlx4_is_master(dev)) { |
3318 | int i; | |
3319 | ||
3320 | for (i = 1; i <= ibdev->num_ports; i++) { | |
3321 | if (rdma_port_get_link_layer(&ibdev->ib_dev, i) | |
3322 | == IB_LINK_LAYER_INFINIBAND) | |
3323 | mlx4_ib_slave_alias_guid_event(ibdev, | |
3324 | p, i, | |
3325 | 1); | |
3326 | } | |
3327 | } | |
fc06573d JM |
3328 | return; |
3329 | ||
3330 | case MLX4_DEV_EVENT_SLAVE_SHUTDOWN: | |
ee59fa0d YH |
3331 | if (mlx4_is_master(dev)) { |
3332 | int i; | |
3333 | ||
3334 | for (i = 1; i <= ibdev->num_ports; i++) { | |
3335 | if (rdma_port_get_link_layer(&ibdev->ib_dev, i) | |
3336 | == IB_LINK_LAYER_INFINIBAND) | |
3337 | mlx4_ib_slave_alias_guid_event(ibdev, | |
3338 | p, i, | |
3339 | 0); | |
3340 | } | |
3341 | } | |
fc06573d JM |
3342 | /* here, p is the slave id */ |
3343 | do_slave_init(ibdev, p, 0); | |
3344 | return; | |
3345 | ||
225c7b1f RD |
3346 | default: |
3347 | return; | |
3348 | } | |
3349 | ||
3350 | ibev.device = ibdev_ptr; | |
a5750090 | 3351 | ibev.element.port_num = mlx4_is_bonded(ibdev->dev) ? 1 : (u8)p; |
225c7b1f RD |
3352 | |
3353 | ib_dispatch_event(&ibev); | |
3354 | } | |
3355 | ||
3356 | static struct mlx4_interface mlx4_ib_interface = { | |
fa417f7b EC |
3357 | .add = mlx4_ib_add, |
3358 | .remove = mlx4_ib_remove, | |
3359 | .event = mlx4_ib_event, | |
a5750090 MS |
3360 | .protocol = MLX4_PROT_IB_IPV6, |
3361 | .flags = MLX4_INTFF_BONDING | |
225c7b1f RD |
3362 | }; |
3363 | ||
3364 | static int __init mlx4_ib_init(void) | |
3365 | { | |
fa417f7b EC |
3366 | int err; |
3367 | ||
41cd3944 | 3368 | wq = alloc_ordered_workqueue("mlx4_ib", WQ_MEM_RECLAIM); |
fa417f7b EC |
3369 | if (!wq) |
3370 | return -ENOMEM; | |
3371 | ||
b9c5d6a6 OD |
3372 | err = mlx4_ib_mcg_init(); |
3373 | if (err) | |
3374 | goto clean_wq; | |
3375 | ||
fa417f7b | 3376 | err = mlx4_register_interface(&mlx4_ib_interface); |
b9c5d6a6 OD |
3377 | if (err) |
3378 | goto clean_mcg; | |
fa417f7b EC |
3379 | |
3380 | return 0; | |
b9c5d6a6 OD |
3381 | |
3382 | clean_mcg: | |
3383 | mlx4_ib_mcg_destroy(); | |
3384 | ||
3385 | clean_wq: | |
3386 | destroy_workqueue(wq); | |
3387 | return err; | |
225c7b1f RD |
3388 | } |
3389 | ||
3390 | static void __exit mlx4_ib_cleanup(void) | |
3391 | { | |
3392 | mlx4_unregister_interface(&mlx4_ib_interface); | |
b9c5d6a6 | 3393 | mlx4_ib_mcg_destroy(); |
fa417f7b | 3394 | destroy_workqueue(wq); |
225c7b1f RD |
3395 | } |
3396 | ||
3397 | module_init(mlx4_ib_init); | |
3398 | module_exit(mlx4_ib_cleanup); |