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Commit | Line | Data |
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e126ba97 | 1 | /* |
6cf0a15f | 2 | * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
e126ba97 EC |
3 | * |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
fe248c3a | 33 | #include <linux/debugfs.h> |
adec640e | 34 | #include <linux/highmem.h> |
e126ba97 EC |
35 | #include <linux/module.h> |
36 | #include <linux/init.h> | |
37 | #include <linux/errno.h> | |
38 | #include <linux/pci.h> | |
39 | #include <linux/dma-mapping.h> | |
40 | #include <linux/slab.h> | |
24da0016 | 41 | #include <linux/bitmap.h> |
37aa5c36 GL |
42 | #if defined(CONFIG_X86) |
43 | #include <asm/pat.h> | |
44 | #endif | |
e126ba97 | 45 | #include <linux/sched.h> |
6e84f315 | 46 | #include <linux/sched/mm.h> |
0881e7bd | 47 | #include <linux/sched/task.h> |
7c2344c3 | 48 | #include <linux/delay.h> |
e126ba97 | 49 | #include <rdma/ib_user_verbs.h> |
3f89a643 | 50 | #include <rdma/ib_addr.h> |
2811ba51 | 51 | #include <rdma/ib_cache.h> |
ada68c31 | 52 | #include <linux/mlx5/port.h> |
1b5daf11 | 53 | #include <linux/mlx5/vport.h> |
72c7fe90 | 54 | #include <linux/mlx5/fs.h> |
7c2344c3 | 55 | #include <linux/list.h> |
e126ba97 EC |
56 | #include <rdma/ib_smi.h> |
57 | #include <rdma/ib_umem.h> | |
038d2ef8 MG |
58 | #include <linux/in.h> |
59 | #include <linux/etherdevice.h> | |
e126ba97 | 60 | #include "mlx5_ib.h" |
fc385b7a | 61 | #include "ib_rep.h" |
e1f24a79 | 62 | #include "cmd.h" |
f3da6577 | 63 | #include "srq.h" |
3346c487 | 64 | #include <linux/mlx5/fs_helpers.h> |
c6475a0b | 65 | #include <linux/mlx5/accel.h> |
8c84660b | 66 | #include <rdma/uverbs_std_types.h> |
c6475a0b AY |
67 | #include <rdma/mlx5_user_ioctl_verbs.h> |
68 | #include <rdma/mlx5_user_ioctl_cmds.h> | |
8c84660b MB |
69 | |
70 | #define UVERBS_MODULE_NAME mlx5_ib | |
71 | #include <rdma/uverbs_named_ioctl.h> | |
e126ba97 EC |
72 | |
73 | #define DRIVER_NAME "mlx5_ib" | |
b359911d | 74 | #define DRIVER_VERSION "5.0-0" |
e126ba97 EC |
75 | |
76 | MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); | |
77 | MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver"); | |
78 | MODULE_LICENSE("Dual BSD/GPL"); | |
e126ba97 | 79 | |
e126ba97 EC |
80 | static char mlx5_version[] = |
81 | DRIVER_NAME ": Mellanox Connect-IB Infiniband driver v" | |
b359911d | 82 | DRIVER_VERSION "\n"; |
e126ba97 | 83 | |
d69a24e0 DJ |
84 | struct mlx5_ib_event_work { |
85 | struct work_struct work; | |
df097a27 SM |
86 | union { |
87 | struct mlx5_ib_dev *dev; | |
88 | struct mlx5_ib_multiport_info *mpi; | |
89 | }; | |
90 | bool is_slave; | |
134e9349 | 91 | unsigned int event; |
df097a27 | 92 | void *param; |
d69a24e0 DJ |
93 | }; |
94 | ||
da7525d2 EBE |
95 | enum { |
96 | MLX5_ATOMIC_SIZE_QP_8BYTES = 1 << 3, | |
97 | }; | |
98 | ||
d69a24e0 | 99 | static struct workqueue_struct *mlx5_ib_event_wq; |
32f69e4b DJ |
100 | static LIST_HEAD(mlx5_ib_unaffiliated_port_list); |
101 | static LIST_HEAD(mlx5_ib_dev_list); | |
102 | /* | |
103 | * This mutex should be held when accessing either of the above lists | |
104 | */ | |
105 | static DEFINE_MUTEX(mlx5_ib_multiport_mutex); | |
106 | ||
c44ef998 IL |
107 | /* We can't use an array for xlt_emergency_page because dma_map_single |
108 | * doesn't work on kernel modules memory | |
109 | */ | |
110 | static unsigned long xlt_emergency_page; | |
111 | static struct mutex xlt_emergency_page_mutex; | |
112 | ||
32f69e4b DJ |
113 | struct mlx5_ib_dev *mlx5_ib_get_ibdev_from_mpi(struct mlx5_ib_multiport_info *mpi) |
114 | { | |
115 | struct mlx5_ib_dev *dev; | |
116 | ||
117 | mutex_lock(&mlx5_ib_multiport_mutex); | |
118 | dev = mpi->ibdev; | |
119 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
120 | return dev; | |
121 | } | |
122 | ||
1b5daf11 | 123 | static enum rdma_link_layer |
ebd61f68 | 124 | mlx5_port_type_cap_to_rdma_ll(int port_type_cap) |
1b5daf11 | 125 | { |
ebd61f68 | 126 | switch (port_type_cap) { |
1b5daf11 MD |
127 | case MLX5_CAP_PORT_TYPE_IB: |
128 | return IB_LINK_LAYER_INFINIBAND; | |
129 | case MLX5_CAP_PORT_TYPE_ETH: | |
130 | return IB_LINK_LAYER_ETHERNET; | |
131 | default: | |
132 | return IB_LINK_LAYER_UNSPECIFIED; | |
133 | } | |
134 | } | |
135 | ||
ebd61f68 AS |
136 | static enum rdma_link_layer |
137 | mlx5_ib_port_link_layer(struct ib_device *device, u8 port_num) | |
138 | { | |
139 | struct mlx5_ib_dev *dev = to_mdev(device); | |
140 | int port_type_cap = MLX5_CAP_GEN(dev->mdev, port_type); | |
141 | ||
142 | return mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
143 | } | |
144 | ||
fd65f1b8 MS |
145 | static int get_port_state(struct ib_device *ibdev, |
146 | u8 port_num, | |
147 | enum ib_port_state *state) | |
148 | { | |
149 | struct ib_port_attr attr; | |
150 | int ret; | |
151 | ||
152 | memset(&attr, 0, sizeof(attr)); | |
3023a1e9 | 153 | ret = ibdev->ops.query_port(ibdev, port_num, &attr); |
fd65f1b8 MS |
154 | if (!ret) |
155 | *state = attr.state; | |
156 | return ret; | |
157 | } | |
158 | ||
35b0aa67 MB |
159 | static struct mlx5_roce *mlx5_get_rep_roce(struct mlx5_ib_dev *dev, |
160 | struct net_device *ndev, | |
161 | u8 *port_num) | |
162 | { | |
163 | struct mlx5_eswitch *esw = dev->mdev->priv.eswitch; | |
164 | struct net_device *rep_ndev; | |
165 | struct mlx5_ib_port *port; | |
166 | int i; | |
167 | ||
168 | for (i = 0; i < dev->num_ports; i++) { | |
169 | port = &dev->port[i]; | |
170 | if (!port->rep) | |
171 | continue; | |
172 | ||
173 | read_lock(&port->roce.netdev_lock); | |
174 | rep_ndev = mlx5_ib_get_rep_netdev(esw, | |
175 | port->rep->vport); | |
176 | if (rep_ndev == ndev) { | |
177 | read_unlock(&port->roce.netdev_lock); | |
178 | *port_num = i + 1; | |
179 | return &port->roce; | |
180 | } | |
181 | read_unlock(&port->roce.netdev_lock); | |
182 | } | |
183 | ||
184 | return NULL; | |
185 | } | |
186 | ||
fc24fc5e AS |
187 | static int mlx5_netdev_event(struct notifier_block *this, |
188 | unsigned long event, void *ptr) | |
189 | { | |
7fd8aefb | 190 | struct mlx5_roce *roce = container_of(this, struct mlx5_roce, nb); |
fc24fc5e | 191 | struct net_device *ndev = netdev_notifier_info_to_dev(ptr); |
7fd8aefb DJ |
192 | u8 port_num = roce->native_port_num; |
193 | struct mlx5_core_dev *mdev; | |
194 | struct mlx5_ib_dev *ibdev; | |
195 | ||
196 | ibdev = roce->dev; | |
32f69e4b DJ |
197 | mdev = mlx5_ib_get_native_port_mdev(ibdev, port_num, NULL); |
198 | if (!mdev) | |
199 | return NOTIFY_DONE; | |
fc24fc5e | 200 | |
5ec8c83e AH |
201 | switch (event) { |
202 | case NETDEV_REGISTER: | |
35b0aa67 MB |
203 | /* Should already be registered during the load */ |
204 | if (ibdev->is_rep) | |
205 | break; | |
7fd8aefb | 206 | write_lock(&roce->netdev_lock); |
dce45af5 | 207 | if (ndev->dev.parent == mdev->device) |
842a9c83 | 208 | roce->netdev = ndev; |
7fd8aefb | 209 | write_unlock(&roce->netdev_lock); |
5ec8c83e | 210 | break; |
fc24fc5e | 211 | |
842a9c83 | 212 | case NETDEV_UNREGISTER: |
35b0aa67 | 213 | /* In case of reps, ib device goes away before the netdevs */ |
842a9c83 OG |
214 | write_lock(&roce->netdev_lock); |
215 | if (roce->netdev == ndev) | |
216 | roce->netdev = NULL; | |
217 | write_unlock(&roce->netdev_lock); | |
218 | break; | |
219 | ||
fd65f1b8 | 220 | case NETDEV_CHANGE: |
5ec8c83e | 221 | case NETDEV_UP: |
88621dfe | 222 | case NETDEV_DOWN: { |
7fd8aefb | 223 | struct net_device *lag_ndev = mlx5_lag_get_roce_netdev(mdev); |
88621dfe AH |
224 | struct net_device *upper = NULL; |
225 | ||
226 | if (lag_ndev) { | |
227 | upper = netdev_master_upper_dev_get(lag_ndev); | |
228 | dev_put(lag_ndev); | |
229 | } | |
230 | ||
35b0aa67 MB |
231 | if (ibdev->is_rep) |
232 | roce = mlx5_get_rep_roce(ibdev, ndev, &port_num); | |
233 | if (!roce) | |
234 | return NOTIFY_DONE; | |
7fd8aefb | 235 | if ((upper == ndev || (!upper && ndev == roce->netdev)) |
88621dfe | 236 | && ibdev->ib_active) { |
626bc02d | 237 | struct ib_event ibev = { }; |
fd65f1b8 | 238 | enum ib_port_state port_state; |
5ec8c83e | 239 | |
7fd8aefb DJ |
240 | if (get_port_state(&ibdev->ib_dev, port_num, |
241 | &port_state)) | |
242 | goto done; | |
fd65f1b8 | 243 | |
7fd8aefb DJ |
244 | if (roce->last_port_state == port_state) |
245 | goto done; | |
fd65f1b8 | 246 | |
7fd8aefb | 247 | roce->last_port_state = port_state; |
5ec8c83e | 248 | ibev.device = &ibdev->ib_dev; |
fd65f1b8 MS |
249 | if (port_state == IB_PORT_DOWN) |
250 | ibev.event = IB_EVENT_PORT_ERR; | |
251 | else if (port_state == IB_PORT_ACTIVE) | |
252 | ibev.event = IB_EVENT_PORT_ACTIVE; | |
253 | else | |
7fd8aefb | 254 | goto done; |
fd65f1b8 | 255 | |
7fd8aefb | 256 | ibev.element.port_num = port_num; |
5ec8c83e AH |
257 | ib_dispatch_event(&ibev); |
258 | } | |
259 | break; | |
88621dfe | 260 | } |
fc24fc5e | 261 | |
5ec8c83e AH |
262 | default: |
263 | break; | |
264 | } | |
7fd8aefb | 265 | done: |
32f69e4b | 266 | mlx5_ib_put_native_port_mdev(ibdev, port_num); |
fc24fc5e AS |
267 | return NOTIFY_DONE; |
268 | } | |
269 | ||
270 | static struct net_device *mlx5_ib_get_netdev(struct ib_device *device, | |
271 | u8 port_num) | |
272 | { | |
273 | struct mlx5_ib_dev *ibdev = to_mdev(device); | |
274 | struct net_device *ndev; | |
32f69e4b DJ |
275 | struct mlx5_core_dev *mdev; |
276 | ||
277 | mdev = mlx5_ib_get_native_port_mdev(ibdev, port_num, NULL); | |
278 | if (!mdev) | |
279 | return NULL; | |
fc24fc5e | 280 | |
32f69e4b | 281 | ndev = mlx5_lag_get_roce_netdev(mdev); |
88621dfe | 282 | if (ndev) |
32f69e4b | 283 | goto out; |
88621dfe | 284 | |
fc24fc5e AS |
285 | /* Ensure ndev does not disappear before we invoke dev_hold() |
286 | */ | |
95579e78 MB |
287 | read_lock(&ibdev->port[port_num - 1].roce.netdev_lock); |
288 | ndev = ibdev->port[port_num - 1].roce.netdev; | |
fc24fc5e AS |
289 | if (ndev) |
290 | dev_hold(ndev); | |
95579e78 | 291 | read_unlock(&ibdev->port[port_num - 1].roce.netdev_lock); |
fc24fc5e | 292 | |
32f69e4b DJ |
293 | out: |
294 | mlx5_ib_put_native_port_mdev(ibdev, port_num); | |
fc24fc5e AS |
295 | return ndev; |
296 | } | |
297 | ||
32f69e4b DJ |
298 | struct mlx5_core_dev *mlx5_ib_get_native_port_mdev(struct mlx5_ib_dev *ibdev, |
299 | u8 ib_port_num, | |
300 | u8 *native_port_num) | |
301 | { | |
302 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&ibdev->ib_dev, | |
303 | ib_port_num); | |
304 | struct mlx5_core_dev *mdev = NULL; | |
305 | struct mlx5_ib_multiport_info *mpi; | |
306 | struct mlx5_ib_port *port; | |
307 | ||
210b1f78 MB |
308 | if (!mlx5_core_mp_enabled(ibdev->mdev) || |
309 | ll != IB_LINK_LAYER_ETHERNET) { | |
310 | if (native_port_num) | |
311 | *native_port_num = ib_port_num; | |
312 | return ibdev->mdev; | |
313 | } | |
314 | ||
32f69e4b DJ |
315 | if (native_port_num) |
316 | *native_port_num = 1; | |
317 | ||
32f69e4b DJ |
318 | port = &ibdev->port[ib_port_num - 1]; |
319 | if (!port) | |
320 | return NULL; | |
321 | ||
322 | spin_lock(&port->mp.mpi_lock); | |
323 | mpi = ibdev->port[ib_port_num - 1].mp.mpi; | |
324 | if (mpi && !mpi->unaffiliate) { | |
325 | mdev = mpi->mdev; | |
326 | /* If it's the master no need to refcount, it'll exist | |
327 | * as long as the ib_dev exists. | |
328 | */ | |
329 | if (!mpi->is_master) | |
330 | mpi->mdev_refcnt++; | |
331 | } | |
332 | spin_unlock(&port->mp.mpi_lock); | |
333 | ||
334 | return mdev; | |
335 | } | |
336 | ||
337 | void mlx5_ib_put_native_port_mdev(struct mlx5_ib_dev *ibdev, u8 port_num) | |
338 | { | |
339 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&ibdev->ib_dev, | |
340 | port_num); | |
341 | struct mlx5_ib_multiport_info *mpi; | |
342 | struct mlx5_ib_port *port; | |
343 | ||
344 | if (!mlx5_core_mp_enabled(ibdev->mdev) || ll != IB_LINK_LAYER_ETHERNET) | |
345 | return; | |
346 | ||
347 | port = &ibdev->port[port_num - 1]; | |
348 | ||
349 | spin_lock(&port->mp.mpi_lock); | |
350 | mpi = ibdev->port[port_num - 1].mp.mpi; | |
351 | if (mpi->is_master) | |
352 | goto out; | |
353 | ||
354 | mpi->mdev_refcnt--; | |
355 | if (mpi->unaffiliate) | |
356 | complete(&mpi->unref_comp); | |
357 | out: | |
358 | spin_unlock(&port->mp.mpi_lock); | |
359 | } | |
360 | ||
08e8676f AL |
361 | static int translate_eth_legacy_proto_oper(u32 eth_proto_oper, u8 *active_speed, |
362 | u8 *active_width) | |
f1b65df5 NO |
363 | { |
364 | switch (eth_proto_oper) { | |
365 | case MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII): | |
366 | case MLX5E_PROT_MASK(MLX5E_1000BASE_KX): | |
367 | case MLX5E_PROT_MASK(MLX5E_100BASE_TX): | |
368 | case MLX5E_PROT_MASK(MLX5E_1000BASE_T): | |
369 | *active_width = IB_WIDTH_1X; | |
370 | *active_speed = IB_SPEED_SDR; | |
371 | break; | |
372 | case MLX5E_PROT_MASK(MLX5E_10GBASE_T): | |
373 | case MLX5E_PROT_MASK(MLX5E_10GBASE_CX4): | |
374 | case MLX5E_PROT_MASK(MLX5E_10GBASE_KX4): | |
375 | case MLX5E_PROT_MASK(MLX5E_10GBASE_KR): | |
376 | case MLX5E_PROT_MASK(MLX5E_10GBASE_CR): | |
377 | case MLX5E_PROT_MASK(MLX5E_10GBASE_SR): | |
378 | case MLX5E_PROT_MASK(MLX5E_10GBASE_ER): | |
379 | *active_width = IB_WIDTH_1X; | |
380 | *active_speed = IB_SPEED_QDR; | |
381 | break; | |
382 | case MLX5E_PROT_MASK(MLX5E_25GBASE_CR): | |
383 | case MLX5E_PROT_MASK(MLX5E_25GBASE_KR): | |
384 | case MLX5E_PROT_MASK(MLX5E_25GBASE_SR): | |
385 | *active_width = IB_WIDTH_1X; | |
386 | *active_speed = IB_SPEED_EDR; | |
387 | break; | |
388 | case MLX5E_PROT_MASK(MLX5E_40GBASE_CR4): | |
389 | case MLX5E_PROT_MASK(MLX5E_40GBASE_KR4): | |
390 | case MLX5E_PROT_MASK(MLX5E_40GBASE_SR4): | |
391 | case MLX5E_PROT_MASK(MLX5E_40GBASE_LR4): | |
392 | *active_width = IB_WIDTH_4X; | |
393 | *active_speed = IB_SPEED_QDR; | |
394 | break; | |
395 | case MLX5E_PROT_MASK(MLX5E_50GBASE_CR2): | |
396 | case MLX5E_PROT_MASK(MLX5E_50GBASE_KR2): | |
397 | case MLX5E_PROT_MASK(MLX5E_50GBASE_SR2): | |
398 | *active_width = IB_WIDTH_1X; | |
399 | *active_speed = IB_SPEED_HDR; | |
400 | break; | |
401 | case MLX5E_PROT_MASK(MLX5E_56GBASE_R4): | |
402 | *active_width = IB_WIDTH_4X; | |
403 | *active_speed = IB_SPEED_FDR; | |
404 | break; | |
405 | case MLX5E_PROT_MASK(MLX5E_100GBASE_CR4): | |
406 | case MLX5E_PROT_MASK(MLX5E_100GBASE_SR4): | |
407 | case MLX5E_PROT_MASK(MLX5E_100GBASE_KR4): | |
408 | case MLX5E_PROT_MASK(MLX5E_100GBASE_LR4): | |
409 | *active_width = IB_WIDTH_4X; | |
410 | *active_speed = IB_SPEED_EDR; | |
411 | break; | |
412 | default: | |
413 | return -EINVAL; | |
414 | } | |
415 | ||
416 | return 0; | |
417 | } | |
418 | ||
08e8676f AL |
419 | static int translate_eth_ext_proto_oper(u32 eth_proto_oper, u8 *active_speed, |
420 | u8 *active_width) | |
421 | { | |
422 | switch (eth_proto_oper) { | |
423 | case MLX5E_PROT_MASK(MLX5E_SGMII_100M): | |
424 | case MLX5E_PROT_MASK(MLX5E_1000BASE_X_SGMII): | |
425 | *active_width = IB_WIDTH_1X; | |
426 | *active_speed = IB_SPEED_SDR; | |
427 | break; | |
428 | case MLX5E_PROT_MASK(MLX5E_5GBASE_R): | |
429 | *active_width = IB_WIDTH_1X; | |
430 | *active_speed = IB_SPEED_DDR; | |
431 | break; | |
432 | case MLX5E_PROT_MASK(MLX5E_10GBASE_XFI_XAUI_1): | |
433 | *active_width = IB_WIDTH_1X; | |
434 | *active_speed = IB_SPEED_QDR; | |
435 | break; | |
436 | case MLX5E_PROT_MASK(MLX5E_40GBASE_XLAUI_4_XLPPI_4): | |
437 | *active_width = IB_WIDTH_4X; | |
438 | *active_speed = IB_SPEED_QDR; | |
439 | break; | |
440 | case MLX5E_PROT_MASK(MLX5E_25GAUI_1_25GBASE_CR_KR): | |
441 | *active_width = IB_WIDTH_1X; | |
442 | *active_speed = IB_SPEED_EDR; | |
443 | break; | |
444 | case MLX5E_PROT_MASK(MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2): | |
cd272875 AL |
445 | *active_width = IB_WIDTH_2X; |
446 | *active_speed = IB_SPEED_EDR; | |
447 | break; | |
08e8676f AL |
448 | case MLX5E_PROT_MASK(MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR): |
449 | *active_width = IB_WIDTH_1X; | |
450 | *active_speed = IB_SPEED_HDR; | |
451 | break; | |
cd272875 AL |
452 | case MLX5E_PROT_MASK(MLX5E_CAUI_4_100GBASE_CR4_KR4): |
453 | *active_width = IB_WIDTH_4X; | |
454 | *active_speed = IB_SPEED_EDR; | |
455 | break; | |
08e8676f AL |
456 | case MLX5E_PROT_MASK(MLX5E_100GAUI_2_100GBASE_CR2_KR2): |
457 | *active_width = IB_WIDTH_2X; | |
458 | *active_speed = IB_SPEED_HDR; | |
459 | break; | |
460 | case MLX5E_PROT_MASK(MLX5E_200GAUI_4_200GBASE_CR4_KR4): | |
461 | *active_width = IB_WIDTH_4X; | |
462 | *active_speed = IB_SPEED_HDR; | |
463 | break; | |
464 | default: | |
465 | return -EINVAL; | |
466 | } | |
467 | ||
468 | return 0; | |
469 | } | |
470 | ||
471 | static int translate_eth_proto_oper(u32 eth_proto_oper, u8 *active_speed, | |
472 | u8 *active_width, bool ext) | |
473 | { | |
474 | return ext ? | |
475 | translate_eth_ext_proto_oper(eth_proto_oper, active_speed, | |
476 | active_width) : | |
477 | translate_eth_legacy_proto_oper(eth_proto_oper, active_speed, | |
478 | active_width); | |
479 | } | |
480 | ||
095b0927 IT |
481 | static int mlx5_query_port_roce(struct ib_device *device, u8 port_num, |
482 | struct ib_port_attr *props) | |
3f89a643 AS |
483 | { |
484 | struct mlx5_ib_dev *dev = to_mdev(device); | |
bc4e12ff | 485 | u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0}; |
da005f9f | 486 | struct mlx5_core_dev *mdev; |
88621dfe | 487 | struct net_device *ndev, *upper; |
3f89a643 | 488 | enum ib_mtu ndev_ib_mtu; |
b3cbd6f0 | 489 | bool put_mdev = true; |
c876a1b7 | 490 | u16 qkey_viol_cntr; |
f1b65df5 | 491 | u32 eth_prot_oper; |
b3cbd6f0 | 492 | u8 mdev_port_num; |
08e8676f | 493 | bool ext; |
095b0927 | 494 | int err; |
3f89a643 | 495 | |
b3cbd6f0 DJ |
496 | mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); |
497 | if (!mdev) { | |
498 | /* This means the port isn't affiliated yet. Get the | |
499 | * info for the master port instead. | |
500 | */ | |
501 | put_mdev = false; | |
502 | mdev = dev->mdev; | |
503 | mdev_port_num = 1; | |
504 | port_num = 1; | |
505 | } | |
506 | ||
f1b65df5 NO |
507 | /* Possible bad flows are checked before filling out props so in case |
508 | * of an error it will still be zeroed out. | |
26628e2d | 509 | * Use native port in case of reps |
50f22fd8 | 510 | */ |
26628e2d MB |
511 | if (dev->is_rep) |
512 | err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, | |
513 | 1); | |
514 | else | |
515 | err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, | |
516 | mdev_port_num); | |
095b0927 | 517 | if (err) |
b3cbd6f0 | 518 | goto out; |
08e8676f AL |
519 | ext = MLX5_CAP_PCAM_FEATURE(dev->mdev, ptys_extended_ethernet); |
520 | eth_prot_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, eth_proto_oper); | |
f1b65df5 | 521 | |
7672ed33 HL |
522 | props->active_width = IB_WIDTH_4X; |
523 | props->active_speed = IB_SPEED_QDR; | |
524 | ||
f1b65df5 | 525 | translate_eth_proto_oper(eth_prot_oper, &props->active_speed, |
08e8676f | 526 | &props->active_width, ext); |
3f89a643 | 527 | |
2f944c0f JG |
528 | props->port_cap_flags |= IB_PORT_CM_SUP; |
529 | props->ip_gids = true; | |
3f89a643 AS |
530 | |
531 | props->gid_tbl_len = MLX5_CAP_ROCE(dev->mdev, | |
532 | roce_address_table_size); | |
533 | props->max_mtu = IB_MTU_4096; | |
534 | props->max_msg_sz = 1 << MLX5_CAP_GEN(dev->mdev, log_max_msg); | |
535 | props->pkey_tbl_len = 1; | |
536 | props->state = IB_PORT_DOWN; | |
537 | props->phys_state = 3; | |
538 | ||
b3cbd6f0 | 539 | mlx5_query_nic_vport_qkey_viol_cntr(mdev, &qkey_viol_cntr); |
c876a1b7 | 540 | props->qkey_viol_cntr = qkey_viol_cntr; |
3f89a643 | 541 | |
b3cbd6f0 DJ |
542 | /* If this is a stub query for an unaffiliated port stop here */ |
543 | if (!put_mdev) | |
544 | goto out; | |
545 | ||
3f89a643 AS |
546 | ndev = mlx5_ib_get_netdev(device, port_num); |
547 | if (!ndev) | |
b3cbd6f0 | 548 | goto out; |
3f89a643 | 549 | |
7c34ec19 | 550 | if (dev->lag_active) { |
88621dfe AH |
551 | rcu_read_lock(); |
552 | upper = netdev_master_upper_dev_get_rcu(ndev); | |
553 | if (upper) { | |
554 | dev_put(ndev); | |
555 | ndev = upper; | |
556 | dev_hold(ndev); | |
557 | } | |
558 | rcu_read_unlock(); | |
559 | } | |
560 | ||
3f89a643 AS |
561 | if (netif_running(ndev) && netif_carrier_ok(ndev)) { |
562 | props->state = IB_PORT_ACTIVE; | |
563 | props->phys_state = 5; | |
564 | } | |
565 | ||
566 | ndev_ib_mtu = iboe_get_mtu(ndev->mtu); | |
567 | ||
568 | dev_put(ndev); | |
569 | ||
570 | props->active_mtu = min(props->max_mtu, ndev_ib_mtu); | |
b3cbd6f0 DJ |
571 | out: |
572 | if (put_mdev) | |
573 | mlx5_ib_put_native_port_mdev(dev, port_num); | |
574 | return err; | |
3f89a643 AS |
575 | } |
576 | ||
095b0927 IT |
577 | static int set_roce_addr(struct mlx5_ib_dev *dev, u8 port_num, |
578 | unsigned int index, const union ib_gid *gid, | |
579 | const struct ib_gid_attr *attr) | |
3cca2606 | 580 | { |
095b0927 | 581 | enum ib_gid_type gid_type = IB_GID_TYPE_IB; |
a70c0739 | 582 | u16 vlan_id = 0xffff; |
095b0927 IT |
583 | u8 roce_version = 0; |
584 | u8 roce_l3_type = 0; | |
095b0927 | 585 | u8 mac[ETH_ALEN]; |
a70c0739 | 586 | int ret; |
095b0927 IT |
587 | |
588 | if (gid) { | |
589 | gid_type = attr->gid_type; | |
a70c0739 PP |
590 | ret = rdma_read_gid_l2_fields(attr, &vlan_id, &mac[0]); |
591 | if (ret) | |
592 | return ret; | |
3cca2606 AS |
593 | } |
594 | ||
095b0927 | 595 | switch (gid_type) { |
3cca2606 | 596 | case IB_GID_TYPE_IB: |
095b0927 | 597 | roce_version = MLX5_ROCE_VERSION_1; |
3cca2606 AS |
598 | break; |
599 | case IB_GID_TYPE_ROCE_UDP_ENCAP: | |
095b0927 IT |
600 | roce_version = MLX5_ROCE_VERSION_2; |
601 | if (ipv6_addr_v4mapped((void *)gid)) | |
602 | roce_l3_type = MLX5_ROCE_L3_TYPE_IPV4; | |
603 | else | |
604 | roce_l3_type = MLX5_ROCE_L3_TYPE_IPV6; | |
3cca2606 AS |
605 | break; |
606 | ||
607 | default: | |
095b0927 | 608 | mlx5_ib_warn(dev, "Unexpected GID type %u\n", gid_type); |
3cca2606 AS |
609 | } |
610 | ||
095b0927 | 611 | return mlx5_core_roce_gid_set(dev->mdev, index, roce_version, |
cf34e1fe | 612 | roce_l3_type, gid->raw, mac, |
a70c0739 | 613 | vlan_id < VLAN_CFI_MASK, vlan_id, |
cf34e1fe | 614 | port_num); |
3cca2606 AS |
615 | } |
616 | ||
f4df9a7c | 617 | static int mlx5_ib_add_gid(const struct ib_gid_attr *attr, |
3cca2606 AS |
618 | __always_unused void **context) |
619 | { | |
414448d2 | 620 | return set_roce_addr(to_mdev(attr->device), attr->port_num, |
f4df9a7c | 621 | attr->index, &attr->gid, attr); |
3cca2606 AS |
622 | } |
623 | ||
414448d2 PP |
624 | static int mlx5_ib_del_gid(const struct ib_gid_attr *attr, |
625 | __always_unused void **context) | |
3cca2606 | 626 | { |
414448d2 PP |
627 | return set_roce_addr(to_mdev(attr->device), attr->port_num, |
628 | attr->index, NULL, NULL); | |
3cca2606 AS |
629 | } |
630 | ||
47ec3866 PP |
631 | __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, |
632 | const struct ib_gid_attr *attr) | |
2811ba51 | 633 | { |
47ec3866 | 634 | if (attr->gid_type != IB_GID_TYPE_ROCE_UDP_ENCAP) |
2811ba51 AS |
635 | return 0; |
636 | ||
637 | return cpu_to_be16(MLX5_CAP_ROCE(dev->mdev, r_roce_min_src_udp_port)); | |
638 | } | |
639 | ||
1b5daf11 MD |
640 | static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev) |
641 | { | |
7fae6655 NO |
642 | if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB) |
643 | return !MLX5_CAP_GEN(dev->mdev, ib_virt); | |
644 | return 0; | |
1b5daf11 MD |
645 | } |
646 | ||
647 | enum { | |
648 | MLX5_VPORT_ACCESS_METHOD_MAD, | |
649 | MLX5_VPORT_ACCESS_METHOD_HCA, | |
650 | MLX5_VPORT_ACCESS_METHOD_NIC, | |
651 | }; | |
652 | ||
653 | static int mlx5_get_vport_access_method(struct ib_device *ibdev) | |
654 | { | |
655 | if (mlx5_use_mad_ifc(to_mdev(ibdev))) | |
656 | return MLX5_VPORT_ACCESS_METHOD_MAD; | |
657 | ||
ebd61f68 | 658 | if (mlx5_ib_port_link_layer(ibdev, 1) == |
1b5daf11 MD |
659 | IB_LINK_LAYER_ETHERNET) |
660 | return MLX5_VPORT_ACCESS_METHOD_NIC; | |
661 | ||
662 | return MLX5_VPORT_ACCESS_METHOD_HCA; | |
663 | } | |
664 | ||
da7525d2 | 665 | static void get_atomic_caps(struct mlx5_ib_dev *dev, |
776a3906 | 666 | u8 atomic_size_qp, |
da7525d2 EBE |
667 | struct ib_device_attr *props) |
668 | { | |
669 | u8 tmp; | |
670 | u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); | |
da7525d2 | 671 | u8 atomic_req_8B_endianness_mode = |
bd10838a | 672 | MLX5_CAP_ATOMIC(dev->mdev, atomic_req_8B_endianness_mode); |
da7525d2 EBE |
673 | |
674 | /* Check if HW supports 8 bytes standard atomic operations and capable | |
675 | * of host endianness respond | |
676 | */ | |
677 | tmp = MLX5_ATOMIC_OPS_CMP_SWAP | MLX5_ATOMIC_OPS_FETCH_ADD; | |
678 | if (((atomic_operations & tmp) == tmp) && | |
679 | (atomic_size_qp & MLX5_ATOMIC_SIZE_QP_8BYTES) && | |
680 | (atomic_req_8B_endianness_mode)) { | |
681 | props->atomic_cap = IB_ATOMIC_HCA; | |
682 | } else { | |
683 | props->atomic_cap = IB_ATOMIC_NONE; | |
684 | } | |
685 | } | |
686 | ||
776a3906 MS |
687 | static void get_atomic_caps_qp(struct mlx5_ib_dev *dev, |
688 | struct ib_device_attr *props) | |
689 | { | |
690 | u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); | |
691 | ||
692 | get_atomic_caps(dev, atomic_size_qp, props); | |
693 | } | |
694 | ||
695 | static void get_atomic_caps_dc(struct mlx5_ib_dev *dev, | |
696 | struct ib_device_attr *props) | |
697 | { | |
698 | u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); | |
699 | ||
700 | get_atomic_caps(dev, atomic_size_qp, props); | |
701 | } | |
702 | ||
703 | bool mlx5_ib_dc_atomic_is_supported(struct mlx5_ib_dev *dev) | |
704 | { | |
705 | struct ib_device_attr props = {}; | |
706 | ||
707 | get_atomic_caps_dc(dev, &props); | |
708 | return (props.atomic_cap == IB_ATOMIC_HCA) ? true : false; | |
709 | } | |
1b5daf11 MD |
710 | static int mlx5_query_system_image_guid(struct ib_device *ibdev, |
711 | __be64 *sys_image_guid) | |
712 | { | |
713 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
714 | struct mlx5_core_dev *mdev = dev->mdev; | |
715 | u64 tmp; | |
716 | int err; | |
717 | ||
718 | switch (mlx5_get_vport_access_method(ibdev)) { | |
719 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
720 | return mlx5_query_mad_ifc_system_image_guid(ibdev, | |
721 | sys_image_guid); | |
722 | ||
723 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
724 | err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp); | |
3f89a643 AS |
725 | break; |
726 | ||
727 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
728 | err = mlx5_query_nic_vport_system_image_guid(mdev, &tmp); | |
729 | break; | |
1b5daf11 MD |
730 | |
731 | default: | |
732 | return -EINVAL; | |
733 | } | |
3f89a643 AS |
734 | |
735 | if (!err) | |
736 | *sys_image_guid = cpu_to_be64(tmp); | |
737 | ||
738 | return err; | |
739 | ||
1b5daf11 MD |
740 | } |
741 | ||
742 | static int mlx5_query_max_pkeys(struct ib_device *ibdev, | |
743 | u16 *max_pkeys) | |
744 | { | |
745 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
746 | struct mlx5_core_dev *mdev = dev->mdev; | |
747 | ||
748 | switch (mlx5_get_vport_access_method(ibdev)) { | |
749 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
750 | return mlx5_query_mad_ifc_max_pkeys(ibdev, max_pkeys); | |
751 | ||
752 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
753 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
754 | *max_pkeys = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, | |
755 | pkey_table_size)); | |
756 | return 0; | |
757 | ||
758 | default: | |
759 | return -EINVAL; | |
760 | } | |
761 | } | |
762 | ||
763 | static int mlx5_query_vendor_id(struct ib_device *ibdev, | |
764 | u32 *vendor_id) | |
765 | { | |
766 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
767 | ||
768 | switch (mlx5_get_vport_access_method(ibdev)) { | |
769 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
770 | return mlx5_query_mad_ifc_vendor_id(ibdev, vendor_id); | |
771 | ||
772 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
773 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
774 | return mlx5_core_query_vendor_id(dev->mdev, vendor_id); | |
775 | ||
776 | default: | |
777 | return -EINVAL; | |
778 | } | |
779 | } | |
780 | ||
781 | static int mlx5_query_node_guid(struct mlx5_ib_dev *dev, | |
782 | __be64 *node_guid) | |
783 | { | |
784 | u64 tmp; | |
785 | int err; | |
786 | ||
787 | switch (mlx5_get_vport_access_method(&dev->ib_dev)) { | |
788 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
789 | return mlx5_query_mad_ifc_node_guid(dev, node_guid); | |
790 | ||
791 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
792 | err = mlx5_query_hca_vport_node_guid(dev->mdev, &tmp); | |
3f89a643 AS |
793 | break; |
794 | ||
795 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
796 | err = mlx5_query_nic_vport_node_guid(dev->mdev, &tmp); | |
797 | break; | |
1b5daf11 MD |
798 | |
799 | default: | |
800 | return -EINVAL; | |
801 | } | |
3f89a643 AS |
802 | |
803 | if (!err) | |
804 | *node_guid = cpu_to_be64(tmp); | |
805 | ||
806 | return err; | |
1b5daf11 MD |
807 | } |
808 | ||
809 | struct mlx5_reg_node_desc { | |
bd99fdea | 810 | u8 desc[IB_DEVICE_NODE_DESC_MAX]; |
1b5daf11 MD |
811 | }; |
812 | ||
813 | static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc) | |
814 | { | |
815 | struct mlx5_reg_node_desc in; | |
816 | ||
817 | if (mlx5_use_mad_ifc(dev)) | |
818 | return mlx5_query_mad_ifc_node_desc(dev, node_desc); | |
819 | ||
820 | memset(&in, 0, sizeof(in)); | |
821 | ||
822 | return mlx5_core_access_reg(dev->mdev, &in, sizeof(in), node_desc, | |
823 | sizeof(struct mlx5_reg_node_desc), | |
824 | MLX5_REG_NODE_DESC, 0, 0); | |
825 | } | |
826 | ||
e126ba97 | 827 | static int mlx5_ib_query_device(struct ib_device *ibdev, |
2528e33e MB |
828 | struct ib_device_attr *props, |
829 | struct ib_udata *uhw) | |
e126ba97 EC |
830 | { |
831 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
938fe83c | 832 | struct mlx5_core_dev *mdev = dev->mdev; |
e126ba97 | 833 | int err = -ENOMEM; |
288c01b7 | 834 | int max_sq_desc; |
e126ba97 EC |
835 | int max_rq_sg; |
836 | int max_sq_sg; | |
e0238a6a | 837 | u64 min_page_size = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz); |
85c7c014 | 838 | bool raw_support = !mlx5_core_mp_enabled(mdev); |
402ca536 BW |
839 | struct mlx5_ib_query_device_resp resp = {}; |
840 | size_t resp_len; | |
841 | u64 max_tso; | |
e126ba97 | 842 | |
402ca536 BW |
843 | resp_len = sizeof(resp.comp_mask) + sizeof(resp.response_length); |
844 | if (uhw->outlen && uhw->outlen < resp_len) | |
845 | return -EINVAL; | |
846 | else | |
847 | resp.response_length = resp_len; | |
848 | ||
849 | if (uhw->inlen && !ib_is_udata_cleared(uhw, 0, uhw->inlen)) | |
2528e33e MB |
850 | return -EINVAL; |
851 | ||
1b5daf11 MD |
852 | memset(props, 0, sizeof(*props)); |
853 | err = mlx5_query_system_image_guid(ibdev, | |
854 | &props->sys_image_guid); | |
855 | if (err) | |
856 | return err; | |
e126ba97 | 857 | |
1b5daf11 | 858 | err = mlx5_query_max_pkeys(ibdev, &props->max_pkeys); |
e126ba97 | 859 | if (err) |
1b5daf11 | 860 | return err; |
e126ba97 | 861 | |
1b5daf11 MD |
862 | err = mlx5_query_vendor_id(ibdev, &props->vendor_id); |
863 | if (err) | |
864 | return err; | |
e126ba97 | 865 | |
9603b61d JM |
866 | props->fw_ver = ((u64)fw_rev_maj(dev->mdev) << 32) | |
867 | (fw_rev_min(dev->mdev) << 16) | | |
868 | fw_rev_sub(dev->mdev); | |
e126ba97 EC |
869 | props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | |
870 | IB_DEVICE_PORT_ACTIVE_EVENT | | |
871 | IB_DEVICE_SYS_IMAGE_GUID | | |
1a4c3a3d | 872 | IB_DEVICE_RC_RNR_NAK_GEN; |
938fe83c SM |
873 | |
874 | if (MLX5_CAP_GEN(mdev, pkv)) | |
e126ba97 | 875 | props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; |
938fe83c | 876 | if (MLX5_CAP_GEN(mdev, qkv)) |
e126ba97 | 877 | props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; |
938fe83c | 878 | if (MLX5_CAP_GEN(mdev, apm)) |
e126ba97 | 879 | props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; |
938fe83c | 880 | if (MLX5_CAP_GEN(mdev, xrc)) |
e126ba97 | 881 | props->device_cap_flags |= IB_DEVICE_XRC; |
d2370e0a MB |
882 | if (MLX5_CAP_GEN(mdev, imaicl)) { |
883 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW | | |
884 | IB_DEVICE_MEM_WINDOW_TYPE_2B; | |
885 | props->max_mw = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); | |
b005d316 SG |
886 | /* We support 'Gappy' memory registration too */ |
887 | props->device_cap_flags |= IB_DEVICE_SG_GAPS_REG; | |
d2370e0a | 888 | } |
e126ba97 | 889 | props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; |
938fe83c | 890 | if (MLX5_CAP_GEN(mdev, sho)) { |
2dea9094 SG |
891 | props->device_cap_flags |= IB_DEVICE_SIGNATURE_HANDOVER; |
892 | /* At this stage no support for signature handover */ | |
893 | props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 | | |
894 | IB_PROT_T10DIF_TYPE_2 | | |
895 | IB_PROT_T10DIF_TYPE_3; | |
896 | props->sig_guard_cap = IB_GUARD_T10DIF_CRC | | |
897 | IB_GUARD_T10DIF_CSUM; | |
898 | } | |
938fe83c | 899 | if (MLX5_CAP_GEN(mdev, block_lb_mc)) |
f360d88a | 900 | props->device_cap_flags |= IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; |
e126ba97 | 901 | |
85c7c014 | 902 | if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && raw_support) { |
e8161334 NO |
903 | if (MLX5_CAP_ETH(mdev, csum_cap)) { |
904 | /* Legacy bit to support old userspace libraries */ | |
88115fe7 | 905 | props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM; |
e8161334 NO |
906 | props->raw_packet_caps |= IB_RAW_PACKET_CAP_IP_CSUM; |
907 | } | |
908 | ||
909 | if (MLX5_CAP_ETH(dev->mdev, vlan_cap)) | |
910 | props->raw_packet_caps |= | |
911 | IB_RAW_PACKET_CAP_CVLAN_STRIPPING; | |
88115fe7 | 912 | |
402ca536 BW |
913 | if (field_avail(typeof(resp), tso_caps, uhw->outlen)) { |
914 | max_tso = MLX5_CAP_ETH(mdev, max_lso_cap); | |
915 | if (max_tso) { | |
916 | resp.tso_caps.max_tso = 1 << max_tso; | |
917 | resp.tso_caps.supported_qpts |= | |
918 | 1 << IB_QPT_RAW_PACKET; | |
919 | resp.response_length += sizeof(resp.tso_caps); | |
920 | } | |
921 | } | |
31f69a82 YH |
922 | |
923 | if (field_avail(typeof(resp), rss_caps, uhw->outlen)) { | |
924 | resp.rss_caps.rx_hash_function = | |
925 | MLX5_RX_HASH_FUNC_TOEPLITZ; | |
926 | resp.rss_caps.rx_hash_fields_mask = | |
927 | MLX5_RX_HASH_SRC_IPV4 | | |
928 | MLX5_RX_HASH_DST_IPV4 | | |
929 | MLX5_RX_HASH_SRC_IPV6 | | |
930 | MLX5_RX_HASH_DST_IPV6 | | |
931 | MLX5_RX_HASH_SRC_PORT_TCP | | |
932 | MLX5_RX_HASH_DST_PORT_TCP | | |
933 | MLX5_RX_HASH_SRC_PORT_UDP | | |
4e2b53a5 MG |
934 | MLX5_RX_HASH_DST_PORT_UDP | |
935 | MLX5_RX_HASH_INNER; | |
2d93fc85 MB |
936 | if (mlx5_accel_ipsec_device_caps(dev->mdev) & |
937 | MLX5_ACCEL_IPSEC_CAP_DEVICE) | |
938 | resp.rss_caps.rx_hash_fields_mask |= | |
939 | MLX5_RX_HASH_IPSEC_SPI; | |
31f69a82 YH |
940 | resp.response_length += sizeof(resp.rss_caps); |
941 | } | |
942 | } else { | |
943 | if (field_avail(typeof(resp), tso_caps, uhw->outlen)) | |
944 | resp.response_length += sizeof(resp.tso_caps); | |
945 | if (field_avail(typeof(resp), rss_caps, uhw->outlen)) | |
946 | resp.response_length += sizeof(resp.rss_caps); | |
402ca536 BW |
947 | } |
948 | ||
f0313965 ES |
949 | if (MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { |
950 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
951 | props->device_cap_flags |= IB_DEVICE_UD_TSO; | |
952 | } | |
953 | ||
03404e8a | 954 | if (MLX5_CAP_GEN(dev->mdev, rq_delay_drop) && |
85c7c014 DJ |
955 | MLX5_CAP_GEN(dev->mdev, general_notification_event) && |
956 | raw_support) | |
03404e8a MG |
957 | props->raw_packet_caps |= IB_RAW_PACKET_CAP_DELAY_DROP; |
958 | ||
1d54f890 YH |
959 | if (MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads) && |
960 | MLX5_CAP_IPOIB_ENHANCED(mdev, csum_cap)) | |
961 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
962 | ||
cff5a0f3 | 963 | if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && |
85c7c014 DJ |
964 | MLX5_CAP_ETH(dev->mdev, scatter_fcs) && |
965 | raw_support) { | |
e8161334 | 966 | /* Legacy bit to support old userspace libraries */ |
cff5a0f3 | 967 | props->device_cap_flags |= IB_DEVICE_RAW_SCATTER_FCS; |
e8161334 NO |
968 | props->raw_packet_caps |= IB_RAW_PACKET_CAP_SCATTER_FCS; |
969 | } | |
cff5a0f3 | 970 | |
24da0016 AL |
971 | if (MLX5_CAP_DEV_MEM(mdev, memic)) { |
972 | props->max_dm_size = | |
973 | MLX5_CAP_DEV_MEM(mdev, max_memic_size); | |
974 | } | |
975 | ||
da6d6ba3 MG |
976 | if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) |
977 | props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; | |
978 | ||
b1383aa6 NO |
979 | if (MLX5_CAP_GEN(mdev, end_pad)) |
980 | props->device_cap_flags |= IB_DEVICE_PCI_WRITE_END_PADDING; | |
981 | ||
1b5daf11 MD |
982 | props->vendor_part_id = mdev->pdev->device; |
983 | props->hw_ver = mdev->pdev->revision; | |
e126ba97 EC |
984 | |
985 | props->max_mr_size = ~0ull; | |
e0238a6a | 986 | props->page_size_cap = ~(min_page_size - 1); |
938fe83c SM |
987 | props->max_qp = 1 << MLX5_CAP_GEN(mdev, log_max_qp); |
988 | props->max_qp_wr = 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); | |
989 | max_rq_sg = MLX5_CAP_GEN(mdev, max_wqe_sz_rq) / | |
990 | sizeof(struct mlx5_wqe_data_seg); | |
288c01b7 EC |
991 | max_sq_desc = min_t(int, MLX5_CAP_GEN(mdev, max_wqe_sz_sq), 512); |
992 | max_sq_sg = (max_sq_desc - sizeof(struct mlx5_wqe_ctrl_seg) - | |
993 | sizeof(struct mlx5_wqe_raddr_seg)) / | |
994 | sizeof(struct mlx5_wqe_data_seg); | |
33023fb8 SW |
995 | props->max_send_sge = max_sq_sg; |
996 | props->max_recv_sge = max_rq_sg; | |
986ef95e | 997 | props->max_sge_rd = MLX5_MAX_SGE_RD; |
938fe83c | 998 | props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq); |
9f177686 | 999 | props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1; |
938fe83c SM |
1000 | props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); |
1001 | props->max_pd = 1 << MLX5_CAP_GEN(mdev, log_max_pd); | |
1002 | props->max_qp_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_req_qp); | |
1003 | props->max_qp_init_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_res_qp); | |
1004 | props->max_srq = 1 << MLX5_CAP_GEN(mdev, log_max_srq); | |
1005 | props->max_srq_wr = (1 << MLX5_CAP_GEN(mdev, log_max_srq_sz)) - 1; | |
1006 | props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay); | |
e126ba97 | 1007 | props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; |
e126ba97 | 1008 | props->max_srq_sge = max_rq_sg - 1; |
911f4331 SG |
1009 | props->max_fast_reg_page_list_len = |
1010 | 1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size); | |
776a3906 | 1011 | get_atomic_caps_qp(dev, props); |
81bea28f | 1012 | props->masked_atomic_cap = IB_ATOMIC_NONE; |
938fe83c SM |
1013 | props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg); |
1014 | props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg); | |
e126ba97 EC |
1015 | props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * |
1016 | props->max_mcast_grp; | |
1017 | props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */ | |
86695a65 | 1018 | props->max_ah = INT_MAX; |
7c60bcbb MB |
1019 | props->hca_core_clock = MLX5_CAP_GEN(mdev, device_frequency_khz); |
1020 | props->timestamp_mask = 0x7FFFFFFFFFFFFFFFULL; | |
e126ba97 | 1021 | |
e502b8b0 LR |
1022 | if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) { |
1023 | if (MLX5_CAP_GEN(mdev, pg)) | |
1024 | props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; | |
1025 | props->odp_caps = dev->odp_caps; | |
1026 | } | |
8cdd312c | 1027 | |
051f2630 LR |
1028 | if (MLX5_CAP_GEN(mdev, cd)) |
1029 | props->device_cap_flags |= IB_DEVICE_CROSS_CHANNEL; | |
1030 | ||
eff901d3 EC |
1031 | if (!mlx5_core_is_pf(mdev)) |
1032 | props->device_cap_flags |= IB_DEVICE_VIRTUAL_FUNCTION; | |
1033 | ||
31f69a82 | 1034 | if (mlx5_ib_port_link_layer(ibdev, 1) == |
85c7c014 | 1035 | IB_LINK_LAYER_ETHERNET && raw_support) { |
31f69a82 YH |
1036 | props->rss_caps.max_rwq_indirection_tables = |
1037 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt); | |
1038 | props->rss_caps.max_rwq_indirection_table_size = | |
1039 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt_size); | |
1040 | props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET; | |
1041 | props->max_wq_type_rq = | |
1042 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rq); | |
1043 | } | |
1044 | ||
eb761894 | 1045 | if (MLX5_CAP_GEN(mdev, tag_matching)) { |
78b1beb0 LR |
1046 | props->tm_caps.max_rndv_hdr_size = MLX5_TM_MAX_RNDV_MSG_SIZE; |
1047 | props->tm_caps.max_num_tags = | |
eb761894 | 1048 | (1 << MLX5_CAP_GEN(mdev, log_tag_matching_list_sz)) - 1; |
78b1beb0 LR |
1049 | props->tm_caps.flags = IB_TM_CAP_RC; |
1050 | props->tm_caps.max_ops = | |
eb761894 | 1051 | 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); |
78b1beb0 | 1052 | props->tm_caps.max_sge = MLX5_TM_MAX_SGE; |
eb761894 AK |
1053 | } |
1054 | ||
87ab3f52 YC |
1055 | if (MLX5_CAP_GEN(dev->mdev, cq_moderation)) { |
1056 | props->cq_caps.max_cq_moderation_count = | |
1057 | MLX5_MAX_CQ_COUNT; | |
1058 | props->cq_caps.max_cq_moderation_period = | |
1059 | MLX5_MAX_CQ_PERIOD; | |
1060 | } | |
1061 | ||
7e43a2a5 | 1062 | if (field_avail(typeof(resp), cqe_comp_caps, uhw->outlen)) { |
7e43a2a5 | 1063 | resp.response_length += sizeof(resp.cqe_comp_caps); |
572f46bf YC |
1064 | |
1065 | if (MLX5_CAP_GEN(dev->mdev, cqe_compression)) { | |
1066 | resp.cqe_comp_caps.max_num = | |
1067 | MLX5_CAP_GEN(dev->mdev, | |
1068 | cqe_compression_max_num); | |
1069 | ||
1070 | resp.cqe_comp_caps.supported_format = | |
1071 | MLX5_IB_CQE_RES_FORMAT_HASH | | |
1072 | MLX5_IB_CQE_RES_FORMAT_CSUM; | |
6f1006a4 YC |
1073 | |
1074 | if (MLX5_CAP_GEN(dev->mdev, mini_cqe_resp_stride_index)) | |
1075 | resp.cqe_comp_caps.supported_format |= | |
1076 | MLX5_IB_CQE_RES_FORMAT_CSUM_STRIDX; | |
572f46bf | 1077 | } |
7e43a2a5 BW |
1078 | } |
1079 | ||
85c7c014 DJ |
1080 | if (field_avail(typeof(resp), packet_pacing_caps, uhw->outlen) && |
1081 | raw_support) { | |
d949167d BW |
1082 | if (MLX5_CAP_QOS(mdev, packet_pacing) && |
1083 | MLX5_CAP_GEN(mdev, qos)) { | |
1084 | resp.packet_pacing_caps.qp_rate_limit_max = | |
1085 | MLX5_CAP_QOS(mdev, packet_pacing_max_rate); | |
1086 | resp.packet_pacing_caps.qp_rate_limit_min = | |
1087 | MLX5_CAP_QOS(mdev, packet_pacing_min_rate); | |
1088 | resp.packet_pacing_caps.supported_qpts |= | |
1089 | 1 << IB_QPT_RAW_PACKET; | |
61147f39 BW |
1090 | if (MLX5_CAP_QOS(mdev, packet_pacing_burst_bound) && |
1091 | MLX5_CAP_QOS(mdev, packet_pacing_typical_size)) | |
1092 | resp.packet_pacing_caps.cap_flags |= | |
1093 | MLX5_IB_PP_SUPPORT_BURST; | |
d949167d BW |
1094 | } |
1095 | resp.response_length += sizeof(resp.packet_pacing_caps); | |
1096 | } | |
1097 | ||
9f885201 LR |
1098 | if (field_avail(typeof(resp), mlx5_ib_support_multi_pkt_send_wqes, |
1099 | uhw->outlen)) { | |
795b609c BW |
1100 | if (MLX5_CAP_ETH(mdev, multi_pkt_send_wqe)) |
1101 | resp.mlx5_ib_support_multi_pkt_send_wqes = | |
1102 | MLX5_IB_ALLOW_MPW; | |
050da902 BW |
1103 | |
1104 | if (MLX5_CAP_ETH(mdev, enhanced_multi_pkt_send_wqe)) | |
1105 | resp.mlx5_ib_support_multi_pkt_send_wqes |= | |
1106 | MLX5_IB_SUPPORT_EMPW; | |
1107 | ||
9f885201 LR |
1108 | resp.response_length += |
1109 | sizeof(resp.mlx5_ib_support_multi_pkt_send_wqes); | |
1110 | } | |
1111 | ||
de57f2ad GL |
1112 | if (field_avail(typeof(resp), flags, uhw->outlen)) { |
1113 | resp.response_length += sizeof(resp.flags); | |
7a0c8f42 | 1114 | |
de57f2ad GL |
1115 | if (MLX5_CAP_GEN(mdev, cqe_compression_128)) |
1116 | resp.flags |= | |
1117 | MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_COMP; | |
7a0c8f42 GL |
1118 | |
1119 | if (MLX5_CAP_GEN(mdev, cqe_128_always)) | |
1120 | resp.flags |= MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_PAD; | |
7e11b911 DG |
1121 | if (MLX5_CAP_GEN(mdev, qp_packet_based)) |
1122 | resp.flags |= | |
1123 | MLX5_IB_QUERY_DEV_RESP_PACKET_BASED_CREDIT_MODE; | |
7249c8ea GL |
1124 | |
1125 | resp.flags |= MLX5_IB_QUERY_DEV_RESP_FLAGS_SCAT2CQE_DCT; | |
de57f2ad | 1126 | } |
9f885201 | 1127 | |
96dc3fc5 NO |
1128 | if (field_avail(typeof(resp), sw_parsing_caps, |
1129 | uhw->outlen)) { | |
1130 | resp.response_length += sizeof(resp.sw_parsing_caps); | |
1131 | if (MLX5_CAP_ETH(mdev, swp)) { | |
1132 | resp.sw_parsing_caps.sw_parsing_offloads |= | |
1133 | MLX5_IB_SW_PARSING; | |
1134 | ||
1135 | if (MLX5_CAP_ETH(mdev, swp_csum)) | |
1136 | resp.sw_parsing_caps.sw_parsing_offloads |= | |
1137 | MLX5_IB_SW_PARSING_CSUM; | |
1138 | ||
1139 | if (MLX5_CAP_ETH(mdev, swp_lso)) | |
1140 | resp.sw_parsing_caps.sw_parsing_offloads |= | |
1141 | MLX5_IB_SW_PARSING_LSO; | |
1142 | ||
1143 | if (resp.sw_parsing_caps.sw_parsing_offloads) | |
1144 | resp.sw_parsing_caps.supported_qpts = | |
1145 | BIT(IB_QPT_RAW_PACKET); | |
1146 | } | |
1147 | } | |
1148 | ||
85c7c014 DJ |
1149 | if (field_avail(typeof(resp), striding_rq_caps, uhw->outlen) && |
1150 | raw_support) { | |
b4f34597 NO |
1151 | resp.response_length += sizeof(resp.striding_rq_caps); |
1152 | if (MLX5_CAP_GEN(mdev, striding_rq)) { | |
1153 | resp.striding_rq_caps.min_single_stride_log_num_of_bytes = | |
1154 | MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES; | |
1155 | resp.striding_rq_caps.max_single_stride_log_num_of_bytes = | |
1156 | MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES; | |
1157 | resp.striding_rq_caps.min_single_wqe_log_num_of_strides = | |
1158 | MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES; | |
1159 | resp.striding_rq_caps.max_single_wqe_log_num_of_strides = | |
1160 | MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES; | |
1161 | resp.striding_rq_caps.supported_qpts = | |
1162 | BIT(IB_QPT_RAW_PACKET); | |
1163 | } | |
1164 | } | |
1165 | ||
f95ef6cb MG |
1166 | if (field_avail(typeof(resp), tunnel_offloads_caps, |
1167 | uhw->outlen)) { | |
1168 | resp.response_length += sizeof(resp.tunnel_offloads_caps); | |
1169 | if (MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan)) | |
1170 | resp.tunnel_offloads_caps |= | |
1171 | MLX5_IB_TUNNELED_OFFLOADS_VXLAN; | |
1172 | if (MLX5_CAP_ETH(mdev, tunnel_stateless_geneve_rx)) | |
1173 | resp.tunnel_offloads_caps |= | |
1174 | MLX5_IB_TUNNELED_OFFLOADS_GENEVE; | |
1175 | if (MLX5_CAP_ETH(mdev, tunnel_stateless_gre)) | |
1176 | resp.tunnel_offloads_caps |= | |
1177 | MLX5_IB_TUNNELED_OFFLOADS_GRE; | |
e818e255 AL |
1178 | if (MLX5_CAP_GEN(mdev, flex_parser_protocols) & |
1179 | MLX5_FLEX_PROTO_CW_MPLS_GRE) | |
1180 | resp.tunnel_offloads_caps |= | |
1181 | MLX5_IB_TUNNELED_OFFLOADS_MPLS_GRE; | |
1182 | if (MLX5_CAP_GEN(mdev, flex_parser_protocols) & | |
1183 | MLX5_FLEX_PROTO_CW_MPLS_UDP) | |
1184 | resp.tunnel_offloads_caps |= | |
1185 | MLX5_IB_TUNNELED_OFFLOADS_MPLS_UDP; | |
f95ef6cb MG |
1186 | } |
1187 | ||
402ca536 BW |
1188 | if (uhw->outlen) { |
1189 | err = ib_copy_to_udata(uhw, &resp, resp.response_length); | |
1190 | ||
1191 | if (err) | |
1192 | return err; | |
1193 | } | |
1194 | ||
1b5daf11 | 1195 | return 0; |
e126ba97 EC |
1196 | } |
1197 | ||
1b5daf11 MD |
1198 | enum mlx5_ib_width { |
1199 | MLX5_IB_WIDTH_1X = 1 << 0, | |
1200 | MLX5_IB_WIDTH_2X = 1 << 1, | |
1201 | MLX5_IB_WIDTH_4X = 1 << 2, | |
1202 | MLX5_IB_WIDTH_8X = 1 << 3, | |
1203 | MLX5_IB_WIDTH_12X = 1 << 4 | |
1204 | }; | |
1205 | ||
db7a691a | 1206 | static void translate_active_width(struct ib_device *ibdev, u8 active_width, |
1b5daf11 | 1207 | u8 *ib_width) |
e126ba97 EC |
1208 | { |
1209 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1b5daf11 | 1210 | |
db7a691a | 1211 | if (active_width & MLX5_IB_WIDTH_1X) |
1b5daf11 | 1212 | *ib_width = IB_WIDTH_1X; |
d764970b MG |
1213 | else if (active_width & MLX5_IB_WIDTH_2X) |
1214 | *ib_width = IB_WIDTH_2X; | |
db7a691a | 1215 | else if (active_width & MLX5_IB_WIDTH_4X) |
1b5daf11 | 1216 | *ib_width = IB_WIDTH_4X; |
db7a691a | 1217 | else if (active_width & MLX5_IB_WIDTH_8X) |
1b5daf11 | 1218 | *ib_width = IB_WIDTH_8X; |
db7a691a | 1219 | else if (active_width & MLX5_IB_WIDTH_12X) |
1b5daf11 | 1220 | *ib_width = IB_WIDTH_12X; |
db7a691a MG |
1221 | else { |
1222 | mlx5_ib_dbg(dev, "Invalid active_width %d, setting width to default value: 4x\n", | |
1b5daf11 | 1223 | (int)active_width); |
db7a691a | 1224 | *ib_width = IB_WIDTH_4X; |
e126ba97 EC |
1225 | } |
1226 | ||
db7a691a | 1227 | return; |
1b5daf11 | 1228 | } |
e126ba97 | 1229 | |
1b5daf11 MD |
1230 | static int mlx5_mtu_to_ib_mtu(int mtu) |
1231 | { | |
1232 | switch (mtu) { | |
1233 | case 256: return 1; | |
1234 | case 512: return 2; | |
1235 | case 1024: return 3; | |
1236 | case 2048: return 4; | |
1237 | case 4096: return 5; | |
1238 | default: | |
1239 | pr_warn("invalid mtu\n"); | |
1240 | return -1; | |
e126ba97 | 1241 | } |
1b5daf11 | 1242 | } |
e126ba97 | 1243 | |
1b5daf11 MD |
1244 | enum ib_max_vl_num { |
1245 | __IB_MAX_VL_0 = 1, | |
1246 | __IB_MAX_VL_0_1 = 2, | |
1247 | __IB_MAX_VL_0_3 = 3, | |
1248 | __IB_MAX_VL_0_7 = 4, | |
1249 | __IB_MAX_VL_0_14 = 5, | |
1250 | }; | |
e126ba97 | 1251 | |
1b5daf11 MD |
1252 | enum mlx5_vl_hw_cap { |
1253 | MLX5_VL_HW_0 = 1, | |
1254 | MLX5_VL_HW_0_1 = 2, | |
1255 | MLX5_VL_HW_0_2 = 3, | |
1256 | MLX5_VL_HW_0_3 = 4, | |
1257 | MLX5_VL_HW_0_4 = 5, | |
1258 | MLX5_VL_HW_0_5 = 6, | |
1259 | MLX5_VL_HW_0_6 = 7, | |
1260 | MLX5_VL_HW_0_7 = 8, | |
1261 | MLX5_VL_HW_0_14 = 15 | |
1262 | }; | |
e126ba97 | 1263 | |
1b5daf11 MD |
1264 | static int translate_max_vl_num(struct ib_device *ibdev, u8 vl_hw_cap, |
1265 | u8 *max_vl_num) | |
1266 | { | |
1267 | switch (vl_hw_cap) { | |
1268 | case MLX5_VL_HW_0: | |
1269 | *max_vl_num = __IB_MAX_VL_0; | |
1270 | break; | |
1271 | case MLX5_VL_HW_0_1: | |
1272 | *max_vl_num = __IB_MAX_VL_0_1; | |
1273 | break; | |
1274 | case MLX5_VL_HW_0_3: | |
1275 | *max_vl_num = __IB_MAX_VL_0_3; | |
1276 | break; | |
1277 | case MLX5_VL_HW_0_7: | |
1278 | *max_vl_num = __IB_MAX_VL_0_7; | |
1279 | break; | |
1280 | case MLX5_VL_HW_0_14: | |
1281 | *max_vl_num = __IB_MAX_VL_0_14; | |
1282 | break; | |
e126ba97 | 1283 | |
1b5daf11 MD |
1284 | default: |
1285 | return -EINVAL; | |
e126ba97 | 1286 | } |
e126ba97 | 1287 | |
1b5daf11 | 1288 | return 0; |
e126ba97 EC |
1289 | } |
1290 | ||
1b5daf11 MD |
1291 | static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port, |
1292 | struct ib_port_attr *props) | |
e126ba97 | 1293 | { |
1b5daf11 MD |
1294 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
1295 | struct mlx5_core_dev *mdev = dev->mdev; | |
1296 | struct mlx5_hca_vport_context *rep; | |
046339ea SM |
1297 | u16 max_mtu; |
1298 | u16 oper_mtu; | |
1b5daf11 MD |
1299 | int err; |
1300 | u8 ib_link_width_oper; | |
1301 | u8 vl_hw_cap; | |
e126ba97 | 1302 | |
1b5daf11 MD |
1303 | rep = kzalloc(sizeof(*rep), GFP_KERNEL); |
1304 | if (!rep) { | |
1305 | err = -ENOMEM; | |
e126ba97 | 1306 | goto out; |
e126ba97 | 1307 | } |
e126ba97 | 1308 | |
c4550c63 | 1309 | /* props being zeroed by the caller, avoid zeroing it here */ |
e126ba97 | 1310 | |
1b5daf11 | 1311 | err = mlx5_query_hca_vport_context(mdev, 0, port, 0, rep); |
e126ba97 EC |
1312 | if (err) |
1313 | goto out; | |
1314 | ||
1b5daf11 MD |
1315 | props->lid = rep->lid; |
1316 | props->lmc = rep->lmc; | |
1317 | props->sm_lid = rep->sm_lid; | |
1318 | props->sm_sl = rep->sm_sl; | |
1319 | props->state = rep->vport_state; | |
1320 | props->phys_state = rep->port_physical_state; | |
1321 | props->port_cap_flags = rep->cap_mask1; | |
1322 | props->gid_tbl_len = mlx5_get_gid_table_len(MLX5_CAP_GEN(mdev, gid_table_size)); | |
1323 | props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg); | |
1324 | props->pkey_tbl_len = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, pkey_table_size)); | |
1325 | props->bad_pkey_cntr = rep->pkey_violation_counter; | |
1326 | props->qkey_viol_cntr = rep->qkey_violation_counter; | |
1327 | props->subnet_timeout = rep->subnet_timeout; | |
1328 | props->init_type_reply = rep->init_type_reply; | |
e126ba97 | 1329 | |
4106a758 MG |
1330 | if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP) |
1331 | props->port_cap_flags2 = rep->cap_mask2; | |
1332 | ||
1b5daf11 MD |
1333 | err = mlx5_query_port_link_width_oper(mdev, &ib_link_width_oper, port); |
1334 | if (err) | |
e126ba97 | 1335 | goto out; |
e126ba97 | 1336 | |
db7a691a MG |
1337 | translate_active_width(ibdev, ib_link_width_oper, &props->active_width); |
1338 | ||
d5beb7f2 | 1339 | err = mlx5_query_port_ib_proto_oper(mdev, &props->active_speed, port); |
e126ba97 EC |
1340 | if (err) |
1341 | goto out; | |
1342 | ||
facc9699 | 1343 | mlx5_query_port_max_mtu(mdev, &max_mtu, port); |
e126ba97 | 1344 | |
1b5daf11 | 1345 | props->max_mtu = mlx5_mtu_to_ib_mtu(max_mtu); |
e126ba97 | 1346 | |
facc9699 | 1347 | mlx5_query_port_oper_mtu(mdev, &oper_mtu, port); |
e126ba97 | 1348 | |
1b5daf11 | 1349 | props->active_mtu = mlx5_mtu_to_ib_mtu(oper_mtu); |
e126ba97 | 1350 | |
1b5daf11 MD |
1351 | err = mlx5_query_port_vl_hw_cap(mdev, &vl_hw_cap, port); |
1352 | if (err) | |
1353 | goto out; | |
e126ba97 | 1354 | |
1b5daf11 MD |
1355 | err = translate_max_vl_num(ibdev, vl_hw_cap, |
1356 | &props->max_vl_num); | |
e126ba97 | 1357 | out: |
1b5daf11 | 1358 | kfree(rep); |
e126ba97 EC |
1359 | return err; |
1360 | } | |
1361 | ||
1b5daf11 MD |
1362 | int mlx5_ib_query_port(struct ib_device *ibdev, u8 port, |
1363 | struct ib_port_attr *props) | |
e126ba97 | 1364 | { |
095b0927 IT |
1365 | unsigned int count; |
1366 | int ret; | |
1367 | ||
1b5daf11 MD |
1368 | switch (mlx5_get_vport_access_method(ibdev)) { |
1369 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
095b0927 IT |
1370 | ret = mlx5_query_mad_ifc_port(ibdev, port, props); |
1371 | break; | |
e126ba97 | 1372 | |
1b5daf11 | 1373 | case MLX5_VPORT_ACCESS_METHOD_HCA: |
095b0927 IT |
1374 | ret = mlx5_query_hca_port(ibdev, port, props); |
1375 | break; | |
e126ba97 | 1376 | |
3f89a643 | 1377 | case MLX5_VPORT_ACCESS_METHOD_NIC: |
095b0927 IT |
1378 | ret = mlx5_query_port_roce(ibdev, port, props); |
1379 | break; | |
3f89a643 | 1380 | |
1b5daf11 | 1381 | default: |
095b0927 IT |
1382 | ret = -EINVAL; |
1383 | } | |
1384 | ||
1385 | if (!ret && props) { | |
b3cbd6f0 DJ |
1386 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
1387 | struct mlx5_core_dev *mdev; | |
1388 | bool put_mdev = true; | |
1389 | ||
1390 | mdev = mlx5_ib_get_native_port_mdev(dev, port, NULL); | |
1391 | if (!mdev) { | |
1392 | /* If the port isn't affiliated yet query the master. | |
1393 | * The master and slave will have the same values. | |
1394 | */ | |
1395 | mdev = dev->mdev; | |
1396 | port = 1; | |
1397 | put_mdev = false; | |
1398 | } | |
1399 | count = mlx5_core_reserved_gids_count(mdev); | |
1400 | if (put_mdev) | |
1401 | mlx5_ib_put_native_port_mdev(dev, port); | |
095b0927 | 1402 | props->gid_tbl_len -= count; |
1b5daf11 | 1403 | } |
095b0927 | 1404 | return ret; |
1b5daf11 | 1405 | } |
e126ba97 | 1406 | |
8e6efa3a MB |
1407 | static int mlx5_ib_rep_query_port(struct ib_device *ibdev, u8 port, |
1408 | struct ib_port_attr *props) | |
1409 | { | |
1410 | int ret; | |
1411 | ||
26628e2d MB |
1412 | /* Only link layer == ethernet is valid for representors |
1413 | * and we always use port 1 | |
1414 | */ | |
8e6efa3a MB |
1415 | ret = mlx5_query_port_roce(ibdev, port, props); |
1416 | if (ret || !props) | |
1417 | return ret; | |
1418 | ||
1419 | /* We don't support GIDS */ | |
1420 | props->gid_tbl_len = 0; | |
1421 | ||
1422 | return ret; | |
1423 | } | |
1424 | ||
1b5daf11 MD |
1425 | static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
1426 | union ib_gid *gid) | |
1427 | { | |
1428 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1429 | struct mlx5_core_dev *mdev = dev->mdev; | |
e126ba97 | 1430 | |
1b5daf11 MD |
1431 | switch (mlx5_get_vport_access_method(ibdev)) { |
1432 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
1433 | return mlx5_query_mad_ifc_gids(ibdev, port, index, gid); | |
e126ba97 | 1434 | |
1b5daf11 MD |
1435 | case MLX5_VPORT_ACCESS_METHOD_HCA: |
1436 | return mlx5_query_hca_vport_gid(mdev, 0, port, 0, index, gid); | |
1437 | ||
1438 | default: | |
1439 | return -EINVAL; | |
1440 | } | |
e126ba97 | 1441 | |
e126ba97 EC |
1442 | } |
1443 | ||
b3cbd6f0 DJ |
1444 | static int mlx5_query_hca_nic_pkey(struct ib_device *ibdev, u8 port, |
1445 | u16 index, u16 *pkey) | |
1b5daf11 MD |
1446 | { |
1447 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
b3cbd6f0 DJ |
1448 | struct mlx5_core_dev *mdev; |
1449 | bool put_mdev = true; | |
1450 | u8 mdev_port_num; | |
1451 | int err; | |
1b5daf11 | 1452 | |
b3cbd6f0 DJ |
1453 | mdev = mlx5_ib_get_native_port_mdev(dev, port, &mdev_port_num); |
1454 | if (!mdev) { | |
1455 | /* The port isn't affiliated yet, get the PKey from the master | |
1456 | * port. For RoCE the PKey tables will be the same. | |
1457 | */ | |
1458 | put_mdev = false; | |
1459 | mdev = dev->mdev; | |
1460 | mdev_port_num = 1; | |
1461 | } | |
1462 | ||
1463 | err = mlx5_query_hca_vport_pkey(mdev, 0, mdev_port_num, 0, | |
1464 | index, pkey); | |
1465 | if (put_mdev) | |
1466 | mlx5_ib_put_native_port_mdev(dev, port); | |
1467 | ||
1468 | return err; | |
1469 | } | |
1470 | ||
1471 | static int mlx5_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, | |
1472 | u16 *pkey) | |
1473 | { | |
1b5daf11 MD |
1474 | switch (mlx5_get_vport_access_method(ibdev)) { |
1475 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
1476 | return mlx5_query_mad_ifc_pkey(ibdev, port, index, pkey); | |
1477 | ||
1478 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
1479 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
b3cbd6f0 | 1480 | return mlx5_query_hca_nic_pkey(ibdev, port, index, pkey); |
1b5daf11 MD |
1481 | default: |
1482 | return -EINVAL; | |
1483 | } | |
1484 | } | |
e126ba97 EC |
1485 | |
1486 | static int mlx5_ib_modify_device(struct ib_device *ibdev, int mask, | |
1487 | struct ib_device_modify *props) | |
1488 | { | |
1489 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1490 | struct mlx5_reg_node_desc in; | |
1491 | struct mlx5_reg_node_desc out; | |
1492 | int err; | |
1493 | ||
1494 | if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) | |
1495 | return -EOPNOTSUPP; | |
1496 | ||
1497 | if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) | |
1498 | return 0; | |
1499 | ||
1500 | /* | |
1501 | * If possible, pass node desc to FW, so it can generate | |
1502 | * a 144 trap. If cmd fails, just ignore. | |
1503 | */ | |
bd99fdea | 1504 | memcpy(&in, props->node_desc, IB_DEVICE_NODE_DESC_MAX); |
9603b61d | 1505 | err = mlx5_core_access_reg(dev->mdev, &in, sizeof(in), &out, |
e126ba97 EC |
1506 | sizeof(out), MLX5_REG_NODE_DESC, 0, 1); |
1507 | if (err) | |
1508 | return err; | |
1509 | ||
bd99fdea | 1510 | memcpy(ibdev->node_desc, props->node_desc, IB_DEVICE_NODE_DESC_MAX); |
e126ba97 EC |
1511 | |
1512 | return err; | |
1513 | } | |
1514 | ||
cdbe33d0 EC |
1515 | static int set_port_caps_atomic(struct mlx5_ib_dev *dev, u8 port_num, u32 mask, |
1516 | u32 value) | |
1517 | { | |
1518 | struct mlx5_hca_vport_context ctx = {}; | |
b3cbd6f0 DJ |
1519 | struct mlx5_core_dev *mdev; |
1520 | u8 mdev_port_num; | |
cdbe33d0 EC |
1521 | int err; |
1522 | ||
b3cbd6f0 DJ |
1523 | mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); |
1524 | if (!mdev) | |
1525 | return -ENODEV; | |
1526 | ||
1527 | err = mlx5_query_hca_vport_context(mdev, 0, mdev_port_num, 0, &ctx); | |
cdbe33d0 | 1528 | if (err) |
b3cbd6f0 | 1529 | goto out; |
cdbe33d0 EC |
1530 | |
1531 | if (~ctx.cap_mask1_perm & mask) { | |
1532 | mlx5_ib_warn(dev, "trying to change bitmask 0x%X but change supported 0x%X\n", | |
1533 | mask, ctx.cap_mask1_perm); | |
b3cbd6f0 DJ |
1534 | err = -EINVAL; |
1535 | goto out; | |
cdbe33d0 EC |
1536 | } |
1537 | ||
1538 | ctx.cap_mask1 = value; | |
1539 | ctx.cap_mask1_perm = mask; | |
b3cbd6f0 DJ |
1540 | err = mlx5_core_modify_hca_vport_context(mdev, 0, mdev_port_num, |
1541 | 0, &ctx); | |
1542 | ||
1543 | out: | |
1544 | mlx5_ib_put_native_port_mdev(dev, port_num); | |
cdbe33d0 EC |
1545 | |
1546 | return err; | |
1547 | } | |
1548 | ||
e126ba97 EC |
1549 | static int mlx5_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, |
1550 | struct ib_port_modify *props) | |
1551 | { | |
1552 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1553 | struct ib_port_attr attr; | |
1554 | u32 tmp; | |
1555 | int err; | |
cdbe33d0 EC |
1556 | u32 change_mask; |
1557 | u32 value; | |
1558 | bool is_ib = (mlx5_ib_port_link_layer(ibdev, port) == | |
1559 | IB_LINK_LAYER_INFINIBAND); | |
1560 | ||
ec255879 MD |
1561 | /* CM layer calls ib_modify_port() regardless of the link layer. For |
1562 | * Ethernet ports, qkey violation and Port capabilities are meaningless. | |
1563 | */ | |
1564 | if (!is_ib) | |
1565 | return 0; | |
1566 | ||
cdbe33d0 EC |
1567 | if (MLX5_CAP_GEN(dev->mdev, ib_virt) && is_ib) { |
1568 | change_mask = props->clr_port_cap_mask | props->set_port_cap_mask; | |
1569 | value = ~props->clr_port_cap_mask | props->set_port_cap_mask; | |
1570 | return set_port_caps_atomic(dev, port, change_mask, value); | |
1571 | } | |
e126ba97 EC |
1572 | |
1573 | mutex_lock(&dev->cap_mask_mutex); | |
1574 | ||
c4550c63 | 1575 | err = ib_query_port(ibdev, port, &attr); |
e126ba97 EC |
1576 | if (err) |
1577 | goto out; | |
1578 | ||
1579 | tmp = (attr.port_cap_flags | props->set_port_cap_mask) & | |
1580 | ~props->clr_port_cap_mask; | |
1581 | ||
9603b61d | 1582 | err = mlx5_set_port_caps(dev->mdev, port, tmp); |
e126ba97 EC |
1583 | |
1584 | out: | |
1585 | mutex_unlock(&dev->cap_mask_mutex); | |
1586 | return err; | |
1587 | } | |
1588 | ||
30aa60b3 EC |
1589 | static void print_lib_caps(struct mlx5_ib_dev *dev, u64 caps) |
1590 | { | |
1591 | mlx5_ib_dbg(dev, "MLX5_LIB_CAP_4K_UAR = %s\n", | |
1592 | caps & MLX5_LIB_CAP_4K_UAR ? "y" : "n"); | |
1593 | } | |
1594 | ||
31a78a5a YH |
1595 | static u16 calc_dynamic_bfregs(int uars_per_sys_page) |
1596 | { | |
1597 | /* Large page with non 4k uar support might limit the dynamic size */ | |
1598 | if (uars_per_sys_page == 1 && PAGE_SIZE > 4096) | |
1599 | return MLX5_MIN_DYN_BFREGS; | |
1600 | ||
1601 | return MLX5_MAX_DYN_BFREGS; | |
1602 | } | |
1603 | ||
b037c29a EC |
1604 | static int calc_total_bfregs(struct mlx5_ib_dev *dev, bool lib_uar_4k, |
1605 | struct mlx5_ib_alloc_ucontext_req_v2 *req, | |
31a78a5a | 1606 | struct mlx5_bfreg_info *bfregi) |
b037c29a EC |
1607 | { |
1608 | int uars_per_sys_page; | |
1609 | int bfregs_per_sys_page; | |
1610 | int ref_bfregs = req->total_num_bfregs; | |
1611 | ||
1612 | if (req->total_num_bfregs == 0) | |
1613 | return -EINVAL; | |
1614 | ||
1615 | BUILD_BUG_ON(MLX5_MAX_BFREGS % MLX5_NON_FP_BFREGS_IN_PAGE); | |
1616 | BUILD_BUG_ON(MLX5_MAX_BFREGS < MLX5_NON_FP_BFREGS_IN_PAGE); | |
1617 | ||
1618 | if (req->total_num_bfregs > MLX5_MAX_BFREGS) | |
1619 | return -ENOMEM; | |
1620 | ||
1621 | uars_per_sys_page = get_uars_per_sys_page(dev, lib_uar_4k); | |
1622 | bfregs_per_sys_page = uars_per_sys_page * MLX5_NON_FP_BFREGS_PER_UAR; | |
31a78a5a | 1623 | /* This holds the required static allocation asked by the user */ |
b037c29a | 1624 | req->total_num_bfregs = ALIGN(req->total_num_bfregs, bfregs_per_sys_page); |
b037c29a EC |
1625 | if (req->num_low_latency_bfregs > req->total_num_bfregs - 1) |
1626 | return -EINVAL; | |
1627 | ||
31a78a5a YH |
1628 | bfregi->num_static_sys_pages = req->total_num_bfregs / bfregs_per_sys_page; |
1629 | bfregi->num_dyn_bfregs = ALIGN(calc_dynamic_bfregs(uars_per_sys_page), bfregs_per_sys_page); | |
1630 | bfregi->total_num_bfregs = req->total_num_bfregs + bfregi->num_dyn_bfregs; | |
1631 | bfregi->num_sys_pages = bfregi->total_num_bfregs / bfregs_per_sys_page; | |
1632 | ||
1633 | mlx5_ib_dbg(dev, "uar_4k: fw support %s, lib support %s, user requested %d bfregs, allocated %d, total bfregs %d, using %d sys pages\n", | |
b037c29a EC |
1634 | MLX5_CAP_GEN(dev->mdev, uar_4k) ? "yes" : "no", |
1635 | lib_uar_4k ? "yes" : "no", ref_bfregs, | |
31a78a5a YH |
1636 | req->total_num_bfregs, bfregi->total_num_bfregs, |
1637 | bfregi->num_sys_pages); | |
b037c29a EC |
1638 | |
1639 | return 0; | |
1640 | } | |
1641 | ||
1642 | static int allocate_uars(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context) | |
1643 | { | |
1644 | struct mlx5_bfreg_info *bfregi; | |
1645 | int err; | |
1646 | int i; | |
1647 | ||
1648 | bfregi = &context->bfregi; | |
31a78a5a | 1649 | for (i = 0; i < bfregi->num_static_sys_pages; i++) { |
b037c29a EC |
1650 | err = mlx5_cmd_alloc_uar(dev->mdev, &bfregi->sys_pages[i]); |
1651 | if (err) | |
1652 | goto error; | |
1653 | ||
1654 | mlx5_ib_dbg(dev, "allocated uar %d\n", bfregi->sys_pages[i]); | |
1655 | } | |
4ed131d0 YH |
1656 | |
1657 | for (i = bfregi->num_static_sys_pages; i < bfregi->num_sys_pages; i++) | |
1658 | bfregi->sys_pages[i] = MLX5_IB_INVALID_UAR_INDEX; | |
1659 | ||
b037c29a EC |
1660 | return 0; |
1661 | ||
1662 | error: | |
1663 | for (--i; i >= 0; i--) | |
1664 | if (mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i])) | |
1665 | mlx5_ib_warn(dev, "failed to free uar %d\n", i); | |
1666 | ||
1667 | return err; | |
1668 | } | |
1669 | ||
15177999 LR |
1670 | static void deallocate_uars(struct mlx5_ib_dev *dev, |
1671 | struct mlx5_ib_ucontext *context) | |
b037c29a EC |
1672 | { |
1673 | struct mlx5_bfreg_info *bfregi; | |
b037c29a EC |
1674 | int i; |
1675 | ||
1676 | bfregi = &context->bfregi; | |
15177999 | 1677 | for (i = 0; i < bfregi->num_sys_pages; i++) |
4ed131d0 | 1678 | if (i < bfregi->num_static_sys_pages || |
15177999 LR |
1679 | bfregi->sys_pages[i] != MLX5_IB_INVALID_UAR_INDEX) |
1680 | mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i]); | |
b037c29a EC |
1681 | } |
1682 | ||
0042f9e4 | 1683 | int mlx5_ib_enable_lb(struct mlx5_ib_dev *dev, bool td, bool qp) |
a560f1d9 MB |
1684 | { |
1685 | int err = 0; | |
1686 | ||
1687 | mutex_lock(&dev->lb.mutex); | |
0042f9e4 MB |
1688 | if (td) |
1689 | dev->lb.user_td++; | |
1690 | if (qp) | |
1691 | dev->lb.qps++; | |
1692 | ||
1693 | if (dev->lb.user_td == 2 || | |
1694 | dev->lb.qps == 1) { | |
1695 | if (!dev->lb.enabled) { | |
1696 | err = mlx5_nic_vport_update_local_lb(dev->mdev, true); | |
1697 | dev->lb.enabled = true; | |
1698 | } | |
1699 | } | |
a560f1d9 MB |
1700 | |
1701 | mutex_unlock(&dev->lb.mutex); | |
1702 | ||
1703 | return err; | |
1704 | } | |
1705 | ||
0042f9e4 | 1706 | void mlx5_ib_disable_lb(struct mlx5_ib_dev *dev, bool td, bool qp) |
a560f1d9 MB |
1707 | { |
1708 | mutex_lock(&dev->lb.mutex); | |
0042f9e4 MB |
1709 | if (td) |
1710 | dev->lb.user_td--; | |
1711 | if (qp) | |
1712 | dev->lb.qps--; | |
1713 | ||
1714 | if (dev->lb.user_td == 1 && | |
1715 | dev->lb.qps == 0) { | |
1716 | if (dev->lb.enabled) { | |
1717 | mlx5_nic_vport_update_local_lb(dev->mdev, false); | |
1718 | dev->lb.enabled = false; | |
1719 | } | |
1720 | } | |
a560f1d9 MB |
1721 | |
1722 | mutex_unlock(&dev->lb.mutex); | |
1723 | } | |
1724 | ||
d2d19121 YH |
1725 | static int mlx5_ib_alloc_transport_domain(struct mlx5_ib_dev *dev, u32 *tdn, |
1726 | u16 uid) | |
c85023e1 HN |
1727 | { |
1728 | int err; | |
1729 | ||
cfdeb893 LR |
1730 | if (!MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) |
1731 | return 0; | |
1732 | ||
d2d19121 | 1733 | err = mlx5_cmd_alloc_transport_domain(dev->mdev, tdn, uid); |
c85023e1 HN |
1734 | if (err) |
1735 | return err; | |
1736 | ||
1737 | if ((MLX5_CAP_GEN(dev->mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) || | |
8978cc92 EBE |
1738 | (!MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) && |
1739 | !MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc))) | |
c85023e1 HN |
1740 | return err; |
1741 | ||
0042f9e4 | 1742 | return mlx5_ib_enable_lb(dev, true, false); |
c85023e1 HN |
1743 | } |
1744 | ||
d2d19121 YH |
1745 | static void mlx5_ib_dealloc_transport_domain(struct mlx5_ib_dev *dev, u32 tdn, |
1746 | u16 uid) | |
c85023e1 | 1747 | { |
cfdeb893 LR |
1748 | if (!MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) |
1749 | return; | |
1750 | ||
d2d19121 | 1751 | mlx5_cmd_dealloc_transport_domain(dev->mdev, tdn, uid); |
c85023e1 HN |
1752 | |
1753 | if ((MLX5_CAP_GEN(dev->mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) || | |
8978cc92 EBE |
1754 | (!MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) && |
1755 | !MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc))) | |
c85023e1 HN |
1756 | return; |
1757 | ||
0042f9e4 | 1758 | mlx5_ib_disable_lb(dev, true, false); |
c85023e1 HN |
1759 | } |
1760 | ||
a2a074ef LR |
1761 | static int mlx5_ib_alloc_ucontext(struct ib_ucontext *uctx, |
1762 | struct ib_udata *udata) | |
e126ba97 | 1763 | { |
a2a074ef | 1764 | struct ib_device *ibdev = uctx->device; |
e126ba97 | 1765 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
b368d7cb MB |
1766 | struct mlx5_ib_alloc_ucontext_req_v2 req = {}; |
1767 | struct mlx5_ib_alloc_ucontext_resp resp = {}; | |
5c99eaec | 1768 | struct mlx5_core_dev *mdev = dev->mdev; |
a2a074ef | 1769 | struct mlx5_ib_ucontext *context = to_mucontext(uctx); |
2f5ff264 | 1770 | struct mlx5_bfreg_info *bfregi; |
78c0f98c | 1771 | int ver; |
e126ba97 | 1772 | int err; |
a168a41c MD |
1773 | size_t min_req_v2 = offsetof(struct mlx5_ib_alloc_ucontext_req_v2, |
1774 | max_cqe_version); | |
25bb36e7 | 1775 | u32 dump_fill_mkey; |
b037c29a | 1776 | bool lib_uar_4k; |
e126ba97 EC |
1777 | |
1778 | if (!dev->ib_active) | |
a2a074ef | 1779 | return -EAGAIN; |
e126ba97 | 1780 | |
e093111d | 1781 | if (udata->inlen == sizeof(struct mlx5_ib_alloc_ucontext_req)) |
78c0f98c | 1782 | ver = 0; |
e093111d | 1783 | else if (udata->inlen >= min_req_v2) |
78c0f98c EC |
1784 | ver = 2; |
1785 | else | |
a2a074ef | 1786 | return -EINVAL; |
78c0f98c | 1787 | |
e093111d | 1788 | err = ib_copy_from_udata(&req, udata, min(udata->inlen, sizeof(req))); |
e126ba97 | 1789 | if (err) |
a2a074ef | 1790 | return err; |
e126ba97 | 1791 | |
a8b92ca1 | 1792 | if (req.flags & ~MLX5_IB_ALLOC_UCTX_DEVX) |
a2a074ef | 1793 | return -EOPNOTSUPP; |
78c0f98c | 1794 | |
f72300c5 | 1795 | if (req.comp_mask || req.reserved0 || req.reserved1 || req.reserved2) |
a2a074ef | 1796 | return -EOPNOTSUPP; |
b368d7cb | 1797 | |
2f5ff264 EC |
1798 | req.total_num_bfregs = ALIGN(req.total_num_bfregs, |
1799 | MLX5_NON_FP_BFREGS_PER_UAR); | |
1800 | if (req.num_low_latency_bfregs > req.total_num_bfregs - 1) | |
a2a074ef | 1801 | return -EINVAL; |
e126ba97 | 1802 | |
938fe83c | 1803 | resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp); |
2cc6ad5f NO |
1804 | if (mlx5_core_is_pf(dev->mdev) && MLX5_CAP_GEN(dev->mdev, bf)) |
1805 | resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size); | |
b47bd6ea | 1806 | resp.cache_line_size = cache_line_size(); |
938fe83c SM |
1807 | resp.max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq); |
1808 | resp.max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq); | |
1809 | resp.max_send_wqebb = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); | |
1810 | resp.max_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); | |
1811 | resp.max_srq_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz); | |
f72300c5 HA |
1812 | resp.cqe_version = min_t(__u8, |
1813 | (__u8)MLX5_CAP_GEN(dev->mdev, cqe_version), | |
1814 | req.max_cqe_version); | |
30aa60b3 EC |
1815 | resp.log_uar_size = MLX5_CAP_GEN(dev->mdev, uar_4k) ? |
1816 | MLX5_ADAPTER_PAGE_SHIFT : PAGE_SHIFT; | |
1817 | resp.num_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? | |
1818 | MLX5_CAP_GEN(dev->mdev, num_of_uars_per_page) : 1; | |
b368d7cb MB |
1819 | resp.response_length = min(offsetof(typeof(resp), response_length) + |
1820 | sizeof(resp.response_length), udata->outlen); | |
e126ba97 | 1821 | |
c03faa56 MB |
1822 | if (mlx5_accel_ipsec_device_caps(dev->mdev) & MLX5_ACCEL_IPSEC_CAP_DEVICE) { |
1823 | if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_EGRESS)) | |
1824 | resp.flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM; | |
1825 | if (mlx5_accel_ipsec_device_caps(dev->mdev) & MLX5_ACCEL_IPSEC_CAP_REQUIRED_METADATA) | |
1826 | resp.flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_REQ_METADATA; | |
1827 | if (MLX5_CAP_FLOWTABLE(dev->mdev, flow_table_properties_nic_receive.ft_field_support.outer_esp_spi)) | |
1828 | resp.flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_SPI_STEERING; | |
1829 | if (mlx5_accel_ipsec_device_caps(dev->mdev) & MLX5_ACCEL_IPSEC_CAP_TX_IV_IS_ESN) | |
1830 | resp.flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_TX_IV_IS_ESN; | |
1831 | /* MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_FULL_OFFLOAD is currently always 0 */ | |
1832 | } | |
1833 | ||
30aa60b3 | 1834 | lib_uar_4k = req.lib_caps & MLX5_LIB_CAP_4K_UAR; |
2f5ff264 | 1835 | bfregi = &context->bfregi; |
b037c29a EC |
1836 | |
1837 | /* updates req->total_num_bfregs */ | |
31a78a5a | 1838 | err = calc_total_bfregs(dev, lib_uar_4k, &req, bfregi); |
b037c29a | 1839 | if (err) |
e126ba97 | 1840 | goto out_ctx; |
e126ba97 | 1841 | |
b037c29a EC |
1842 | mutex_init(&bfregi->lock); |
1843 | bfregi->lib_uar_4k = lib_uar_4k; | |
31a78a5a | 1844 | bfregi->count = kcalloc(bfregi->total_num_bfregs, sizeof(*bfregi->count), |
e126ba97 | 1845 | GFP_KERNEL); |
b037c29a | 1846 | if (!bfregi->count) { |
e126ba97 | 1847 | err = -ENOMEM; |
b037c29a | 1848 | goto out_ctx; |
e126ba97 EC |
1849 | } |
1850 | ||
b037c29a EC |
1851 | bfregi->sys_pages = kcalloc(bfregi->num_sys_pages, |
1852 | sizeof(*bfregi->sys_pages), | |
1853 | GFP_KERNEL); | |
1854 | if (!bfregi->sys_pages) { | |
e126ba97 | 1855 | err = -ENOMEM; |
b037c29a | 1856 | goto out_count; |
e126ba97 EC |
1857 | } |
1858 | ||
b037c29a EC |
1859 | err = allocate_uars(dev, context); |
1860 | if (err) | |
1861 | goto out_sys_pages; | |
e126ba97 | 1862 | |
13859d5d LR |
1863 | if (ibdev->attrs.device_cap_flags & IB_DEVICE_ON_DEMAND_PAGING) |
1864 | context->ibucontext.invalidate_range = | |
1865 | &mlx5_ib_invalidate_range; | |
b4cfe447 | 1866 | |
a8b92ca1 | 1867 | if (req.flags & MLX5_IB_ALLOC_UCTX_DEVX) { |
fb98153b | 1868 | err = mlx5_ib_devx_create(dev, true); |
76dc5a84 | 1869 | if (err < 0) |
d2d19121 | 1870 | goto out_uars; |
76dc5a84 | 1871 | context->devx_uid = err; |
a8b92ca1 YH |
1872 | } |
1873 | ||
d2d19121 YH |
1874 | err = mlx5_ib_alloc_transport_domain(dev, &context->tdn, |
1875 | context->devx_uid); | |
1876 | if (err) | |
1877 | goto out_devx; | |
1878 | ||
25bb36e7 YC |
1879 | if (MLX5_CAP_GEN(dev->mdev, dump_fill_mkey)) { |
1880 | err = mlx5_cmd_dump_fill_mkey(dev->mdev, &dump_fill_mkey); | |
1881 | if (err) | |
8193abb6 | 1882 | goto out_mdev; |
25bb36e7 YC |
1883 | } |
1884 | ||
e126ba97 EC |
1885 | INIT_LIST_HEAD(&context->db_page_list); |
1886 | mutex_init(&context->db_page_mutex); | |
1887 | ||
2f5ff264 | 1888 | resp.tot_bfregs = req.total_num_bfregs; |
508562d6 | 1889 | resp.num_ports = dev->num_ports; |
b368d7cb | 1890 | |
f72300c5 HA |
1891 | if (field_avail(typeof(resp), cqe_version, udata->outlen)) |
1892 | resp.response_length += sizeof(resp.cqe_version); | |
b368d7cb | 1893 | |
402ca536 | 1894 | if (field_avail(typeof(resp), cmds_supp_uhw, udata->outlen)) { |
6ad279c5 MS |
1895 | resp.cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE | |
1896 | MLX5_USER_CMDS_SUPP_UHW_CREATE_AH; | |
402ca536 BW |
1897 | resp.response_length += sizeof(resp.cmds_supp_uhw); |
1898 | } | |
1899 | ||
78984898 OG |
1900 | if (field_avail(typeof(resp), eth_min_inline, udata->outlen)) { |
1901 | if (mlx5_ib_port_link_layer(ibdev, 1) == IB_LINK_LAYER_ETHERNET) { | |
1902 | mlx5_query_min_inline(dev->mdev, &resp.eth_min_inline); | |
1903 | resp.eth_min_inline++; | |
1904 | } | |
1905 | resp.response_length += sizeof(resp.eth_min_inline); | |
1906 | } | |
1907 | ||
5c99eaec FD |
1908 | if (field_avail(typeof(resp), clock_info_versions, udata->outlen)) { |
1909 | if (mdev->clock_info) | |
1910 | resp.clock_info_versions = BIT(MLX5_IB_CLOCK_INFO_V1); | |
1911 | resp.response_length += sizeof(resp.clock_info_versions); | |
1912 | } | |
1913 | ||
bc5c6eed NO |
1914 | /* |
1915 | * We don't want to expose information from the PCI bar that is located | |
1916 | * after 4096 bytes, so if the arch only supports larger pages, let's | |
1917 | * pretend we don't support reading the HCA's core clock. This is also | |
1918 | * forced by mmap function. | |
1919 | */ | |
de8d6e02 EC |
1920 | if (field_avail(typeof(resp), hca_core_clock_offset, udata->outlen)) { |
1921 | if (PAGE_SIZE <= 4096) { | |
1922 | resp.comp_mask |= | |
1923 | MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET; | |
1924 | resp.hca_core_clock_offset = | |
1925 | offsetof(struct mlx5_init_seg, internal_timer_h) % PAGE_SIZE; | |
1926 | } | |
5c99eaec | 1927 | resp.response_length += sizeof(resp.hca_core_clock_offset); |
b368d7cb MB |
1928 | } |
1929 | ||
30aa60b3 EC |
1930 | if (field_avail(typeof(resp), log_uar_size, udata->outlen)) |
1931 | resp.response_length += sizeof(resp.log_uar_size); | |
1932 | ||
1933 | if (field_avail(typeof(resp), num_uars_per_page, udata->outlen)) | |
1934 | resp.response_length += sizeof(resp.num_uars_per_page); | |
1935 | ||
31a78a5a YH |
1936 | if (field_avail(typeof(resp), num_dyn_bfregs, udata->outlen)) { |
1937 | resp.num_dyn_bfregs = bfregi->num_dyn_bfregs; | |
1938 | resp.response_length += sizeof(resp.num_dyn_bfregs); | |
1939 | } | |
1940 | ||
25bb36e7 YC |
1941 | if (field_avail(typeof(resp), dump_fill_mkey, udata->outlen)) { |
1942 | if (MLX5_CAP_GEN(dev->mdev, dump_fill_mkey)) { | |
1943 | resp.dump_fill_mkey = dump_fill_mkey; | |
1944 | resp.comp_mask |= | |
1945 | MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_DUMP_FILL_MKEY; | |
1946 | } | |
1947 | resp.response_length += sizeof(resp.dump_fill_mkey); | |
1948 | } | |
1949 | ||
b368d7cb | 1950 | err = ib_copy_to_udata(udata, &resp, resp.response_length); |
e126ba97 | 1951 | if (err) |
a8b92ca1 | 1952 | goto out_mdev; |
e126ba97 | 1953 | |
2f5ff264 EC |
1954 | bfregi->ver = ver; |
1955 | bfregi->num_low_latency_bfregs = req.num_low_latency_bfregs; | |
f72300c5 | 1956 | context->cqe_version = resp.cqe_version; |
30aa60b3 EC |
1957 | context->lib_caps = req.lib_caps; |
1958 | print_lib_caps(dev, context->lib_caps); | |
f72300c5 | 1959 | |
7c34ec19 | 1960 | if (dev->lag_active) { |
95579e78 | 1961 | u8 port = mlx5_core_native_port_num(dev->mdev) - 1; |
c6a21c38 MD |
1962 | |
1963 | atomic_set(&context->tx_port_affinity, | |
1964 | atomic_add_return( | |
95579e78 | 1965 | 1, &dev->port[port].roce.tx_port_affinity)); |
c6a21c38 MD |
1966 | } |
1967 | ||
a2a074ef | 1968 | return 0; |
e126ba97 | 1969 | |
a8b92ca1 | 1970 | out_mdev: |
d2d19121 YH |
1971 | mlx5_ib_dealloc_transport_domain(dev, context->tdn, context->devx_uid); |
1972 | out_devx: | |
a8b92ca1 | 1973 | if (req.flags & MLX5_IB_ALLOC_UCTX_DEVX) |
76dc5a84 | 1974 | mlx5_ib_devx_destroy(dev, context->devx_uid); |
146d2f1a | 1975 | |
e126ba97 | 1976 | out_uars: |
b037c29a | 1977 | deallocate_uars(dev, context); |
e126ba97 | 1978 | |
b037c29a EC |
1979 | out_sys_pages: |
1980 | kfree(bfregi->sys_pages); | |
e126ba97 | 1981 | |
b037c29a EC |
1982 | out_count: |
1983 | kfree(bfregi->count); | |
e126ba97 EC |
1984 | |
1985 | out_ctx: | |
a2a074ef | 1986 | return err; |
e126ba97 EC |
1987 | } |
1988 | ||
a2a074ef | 1989 | static void mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) |
e126ba97 EC |
1990 | { |
1991 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
1992 | struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); | |
b037c29a | 1993 | struct mlx5_bfreg_info *bfregi; |
e126ba97 | 1994 | |
f27a0d50 JG |
1995 | /* All umem's must be destroyed before destroying the ucontext. */ |
1996 | mutex_lock(&ibcontext->per_mm_list_lock); | |
1997 | WARN_ON(!list_empty(&ibcontext->per_mm_list)); | |
1998 | mutex_unlock(&ibcontext->per_mm_list_lock); | |
a8b92ca1 | 1999 | |
b037c29a | 2000 | bfregi = &context->bfregi; |
d2d19121 YH |
2001 | mlx5_ib_dealloc_transport_domain(dev, context->tdn, context->devx_uid); |
2002 | ||
a8b92ca1 | 2003 | if (context->devx_uid) |
76dc5a84 | 2004 | mlx5_ib_devx_destroy(dev, context->devx_uid); |
146d2f1a | 2005 | |
b037c29a EC |
2006 | deallocate_uars(dev, context); |
2007 | kfree(bfregi->sys_pages); | |
2f5ff264 | 2008 | kfree(bfregi->count); |
e126ba97 EC |
2009 | } |
2010 | ||
b037c29a | 2011 | static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev, |
4ed131d0 | 2012 | int uar_idx) |
e126ba97 | 2013 | { |
b037c29a EC |
2014 | int fw_uars_per_page; |
2015 | ||
2016 | fw_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? MLX5_UARS_IN_PAGE : 1; | |
2017 | ||
aa8106f1 | 2018 | return (dev->mdev->bar_addr >> PAGE_SHIFT) + uar_idx / fw_uars_per_page; |
e126ba97 EC |
2019 | } |
2020 | ||
2021 | static int get_command(unsigned long offset) | |
2022 | { | |
2023 | return (offset >> MLX5_IB_MMAP_CMD_SHIFT) & MLX5_IB_MMAP_CMD_MASK; | |
2024 | } | |
2025 | ||
2026 | static int get_arg(unsigned long offset) | |
2027 | { | |
2028 | return offset & ((1 << MLX5_IB_MMAP_CMD_SHIFT) - 1); | |
2029 | } | |
2030 | ||
2031 | static int get_index(unsigned long offset) | |
2032 | { | |
2033 | return get_arg(offset); | |
2034 | } | |
2035 | ||
4ed131d0 YH |
2036 | /* Index resides in an extra byte to enable larger values than 255 */ |
2037 | static int get_extended_index(unsigned long offset) | |
2038 | { | |
2039 | return get_arg(offset) | ((offset >> 16) & 0xff) << 8; | |
2040 | } | |
2041 | ||
7c2344c3 MG |
2042 | |
2043 | static void mlx5_ib_disassociate_ucontext(struct ib_ucontext *ibcontext) | |
2044 | { | |
7c2344c3 MG |
2045 | } |
2046 | ||
37aa5c36 GL |
2047 | static inline char *mmap_cmd2str(enum mlx5_ib_mmap_cmd cmd) |
2048 | { | |
2049 | switch (cmd) { | |
2050 | case MLX5_IB_MMAP_WC_PAGE: | |
2051 | return "WC"; | |
2052 | case MLX5_IB_MMAP_REGULAR_PAGE: | |
2053 | return "best effort WC"; | |
2054 | case MLX5_IB_MMAP_NC_PAGE: | |
2055 | return "NC"; | |
24da0016 AL |
2056 | case MLX5_IB_MMAP_DEVICE_MEM: |
2057 | return "Device Memory"; | |
37aa5c36 GL |
2058 | default: |
2059 | return NULL; | |
2060 | } | |
2061 | } | |
2062 | ||
5c99eaec FD |
2063 | static int mlx5_ib_mmap_clock_info_page(struct mlx5_ib_dev *dev, |
2064 | struct vm_area_struct *vma, | |
2065 | struct mlx5_ib_ucontext *context) | |
2066 | { | |
4eb6ab13 JG |
2067 | if ((vma->vm_end - vma->vm_start != PAGE_SIZE) || |
2068 | !(vma->vm_flags & VM_SHARED)) | |
5c99eaec FD |
2069 | return -EINVAL; |
2070 | ||
2071 | if (get_index(vma->vm_pgoff) != MLX5_IB_CLOCK_INFO_V1) | |
2072 | return -EOPNOTSUPP; | |
2073 | ||
4eb6ab13 | 2074 | if (vma->vm_flags & (VM_WRITE | VM_EXEC)) |
5c99eaec | 2075 | return -EPERM; |
c660133c | 2076 | vma->vm_flags &= ~VM_MAYWRITE; |
5c99eaec | 2077 | |
ddcdc368 | 2078 | if (!dev->mdev->clock_info) |
5c99eaec FD |
2079 | return -EOPNOTSUPP; |
2080 | ||
4eb6ab13 JG |
2081 | return vm_insert_page(vma, vma->vm_start, |
2082 | virt_to_page(dev->mdev->clock_info)); | |
5c99eaec FD |
2083 | } |
2084 | ||
37aa5c36 | 2085 | static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd, |
7c2344c3 MG |
2086 | struct vm_area_struct *vma, |
2087 | struct mlx5_ib_ucontext *context) | |
37aa5c36 | 2088 | { |
2f5ff264 | 2089 | struct mlx5_bfreg_info *bfregi = &context->bfregi; |
37aa5c36 GL |
2090 | int err; |
2091 | unsigned long idx; | |
aa09ea6e | 2092 | phys_addr_t pfn; |
37aa5c36 | 2093 | pgprot_t prot; |
4ed131d0 YH |
2094 | u32 bfreg_dyn_idx = 0; |
2095 | u32 uar_index; | |
2096 | int dyn_uar = (cmd == MLX5_IB_MMAP_ALLOC_WC); | |
2097 | int max_valid_idx = dyn_uar ? bfregi->num_sys_pages : | |
2098 | bfregi->num_static_sys_pages; | |
b037c29a EC |
2099 | |
2100 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) | |
2101 | return -EINVAL; | |
2102 | ||
4ed131d0 YH |
2103 | if (dyn_uar) |
2104 | idx = get_extended_index(vma->vm_pgoff) + bfregi->num_static_sys_pages; | |
2105 | else | |
2106 | idx = get_index(vma->vm_pgoff); | |
2107 | ||
2108 | if (idx >= max_valid_idx) { | |
2109 | mlx5_ib_warn(dev, "invalid uar index %lu, max=%d\n", | |
2110 | idx, max_valid_idx); | |
b037c29a EC |
2111 | return -EINVAL; |
2112 | } | |
37aa5c36 GL |
2113 | |
2114 | switch (cmd) { | |
2115 | case MLX5_IB_MMAP_WC_PAGE: | |
4ed131d0 | 2116 | case MLX5_IB_MMAP_ALLOC_WC: |
37aa5c36 GL |
2117 | /* Some architectures don't support WC memory */ |
2118 | #if defined(CONFIG_X86) | |
2119 | if (!pat_enabled()) | |
2120 | return -EPERM; | |
2121 | #elif !(defined(CONFIG_PPC) || (defined(CONFIG_ARM) && defined(CONFIG_MMU))) | |
2122 | return -EPERM; | |
2123 | #endif | |
2124 | /* fall through */ | |
2125 | case MLX5_IB_MMAP_REGULAR_PAGE: | |
2126 | /* For MLX5_IB_MMAP_REGULAR_PAGE do the best effort to get WC */ | |
2127 | prot = pgprot_writecombine(vma->vm_page_prot); | |
2128 | break; | |
2129 | case MLX5_IB_MMAP_NC_PAGE: | |
2130 | prot = pgprot_noncached(vma->vm_page_prot); | |
2131 | break; | |
2132 | default: | |
2133 | return -EINVAL; | |
2134 | } | |
2135 | ||
4ed131d0 YH |
2136 | if (dyn_uar) { |
2137 | int uars_per_page; | |
2138 | ||
2139 | uars_per_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k); | |
2140 | bfreg_dyn_idx = idx * (uars_per_page * MLX5_NON_FP_BFREGS_PER_UAR); | |
2141 | if (bfreg_dyn_idx >= bfregi->total_num_bfregs) { | |
2142 | mlx5_ib_warn(dev, "invalid bfreg_dyn_idx %u, max=%u\n", | |
2143 | bfreg_dyn_idx, bfregi->total_num_bfregs); | |
2144 | return -EINVAL; | |
2145 | } | |
2146 | ||
2147 | mutex_lock(&bfregi->lock); | |
2148 | /* Fail if uar already allocated, first bfreg index of each | |
2149 | * page holds its count. | |
2150 | */ | |
2151 | if (bfregi->count[bfreg_dyn_idx]) { | |
2152 | mlx5_ib_warn(dev, "wrong offset, idx %lu is busy, bfregn=%u\n", idx, bfreg_dyn_idx); | |
2153 | mutex_unlock(&bfregi->lock); | |
2154 | return -EINVAL; | |
2155 | } | |
2156 | ||
2157 | bfregi->count[bfreg_dyn_idx]++; | |
2158 | mutex_unlock(&bfregi->lock); | |
2159 | ||
2160 | err = mlx5_cmd_alloc_uar(dev->mdev, &uar_index); | |
2161 | if (err) { | |
2162 | mlx5_ib_warn(dev, "UAR alloc failed\n"); | |
2163 | goto free_bfreg; | |
2164 | } | |
2165 | } else { | |
2166 | uar_index = bfregi->sys_pages[idx]; | |
2167 | } | |
2168 | ||
2169 | pfn = uar_index2pfn(dev, uar_index); | |
37aa5c36 GL |
2170 | mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn %pa\n", idx, &pfn); |
2171 | ||
e2cd1d1a JG |
2172 | err = rdma_user_mmap_io(&context->ibucontext, vma, pfn, PAGE_SIZE, |
2173 | prot); | |
37aa5c36 | 2174 | if (err) { |
8f062287 | 2175 | mlx5_ib_err(dev, |
e2cd1d1a | 2176 | "rdma_user_mmap_io failed with error=%d, mmap_cmd=%s\n", |
8f062287 | 2177 | err, mmap_cmd2str(cmd)); |
4ed131d0 | 2178 | goto err; |
37aa5c36 GL |
2179 | } |
2180 | ||
4ed131d0 YH |
2181 | if (dyn_uar) |
2182 | bfregi->sys_pages[idx] = uar_index; | |
2183 | return 0; | |
2184 | ||
2185 | err: | |
2186 | if (!dyn_uar) | |
2187 | return err; | |
2188 | ||
2189 | mlx5_cmd_free_uar(dev->mdev, idx); | |
2190 | ||
2191 | free_bfreg: | |
2192 | mlx5_ib_free_bfreg(dev, bfregi, bfreg_dyn_idx); | |
2193 | ||
2194 | return err; | |
37aa5c36 GL |
2195 | } |
2196 | ||
24da0016 AL |
2197 | static int dm_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) |
2198 | { | |
2199 | struct mlx5_ib_ucontext *mctx = to_mucontext(context); | |
2200 | struct mlx5_ib_dev *dev = to_mdev(context->device); | |
2201 | u16 page_idx = get_extended_index(vma->vm_pgoff); | |
2202 | size_t map_size = vma->vm_end - vma->vm_start; | |
2203 | u32 npages = map_size >> PAGE_SHIFT; | |
2204 | phys_addr_t pfn; | |
24da0016 AL |
2205 | |
2206 | if (find_next_zero_bit(mctx->dm_pages, page_idx + npages, page_idx) != | |
2207 | page_idx + npages) | |
2208 | return -EINVAL; | |
2209 | ||
aa8106f1 | 2210 | pfn = ((dev->mdev->bar_addr + |
24da0016 AL |
2211 | MLX5_CAP64_DEV_MEM(dev->mdev, memic_bar_start_addr)) >> |
2212 | PAGE_SHIFT) + | |
2213 | page_idx; | |
e2cd1d1a JG |
2214 | return rdma_user_mmap_io(context, vma, pfn, map_size, |
2215 | pgprot_writecombine(vma->vm_page_prot)); | |
24da0016 AL |
2216 | } |
2217 | ||
e126ba97 EC |
2218 | static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma) |
2219 | { | |
2220 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
2221 | struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); | |
e126ba97 | 2222 | unsigned long command; |
e126ba97 EC |
2223 | phys_addr_t pfn; |
2224 | ||
2225 | command = get_command(vma->vm_pgoff); | |
2226 | switch (command) { | |
37aa5c36 GL |
2227 | case MLX5_IB_MMAP_WC_PAGE: |
2228 | case MLX5_IB_MMAP_NC_PAGE: | |
e126ba97 | 2229 | case MLX5_IB_MMAP_REGULAR_PAGE: |
4ed131d0 | 2230 | case MLX5_IB_MMAP_ALLOC_WC: |
7c2344c3 | 2231 | return uar_mmap(dev, command, vma, context); |
e126ba97 EC |
2232 | |
2233 | case MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES: | |
2234 | return -ENOSYS; | |
2235 | ||
d69e3bcf | 2236 | case MLX5_IB_MMAP_CORE_CLOCK: |
d69e3bcf MB |
2237 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) |
2238 | return -EINVAL; | |
2239 | ||
6cbac1e4 | 2240 | if (vma->vm_flags & VM_WRITE) |
d69e3bcf | 2241 | return -EPERM; |
c660133c | 2242 | vma->vm_flags &= ~VM_MAYWRITE; |
d69e3bcf MB |
2243 | |
2244 | /* Don't expose to user-space information it shouldn't have */ | |
2245 | if (PAGE_SIZE > 4096) | |
2246 | return -EOPNOTSUPP; | |
2247 | ||
d69e3bcf MB |
2248 | pfn = (dev->mdev->iseg_base + |
2249 | offsetof(struct mlx5_init_seg, internal_timer_h)) >> | |
2250 | PAGE_SHIFT; | |
d5e560d3 JG |
2251 | return rdma_user_mmap_io(&context->ibucontext, vma, pfn, |
2252 | PAGE_SIZE, | |
2253 | pgprot_noncached(vma->vm_page_prot)); | |
5c99eaec FD |
2254 | case MLX5_IB_MMAP_CLOCK_INFO: |
2255 | return mlx5_ib_mmap_clock_info_page(dev, vma, context); | |
d69e3bcf | 2256 | |
24da0016 AL |
2257 | case MLX5_IB_MMAP_DEVICE_MEM: |
2258 | return dm_mmap(ibcontext, vma); | |
2259 | ||
e126ba97 EC |
2260 | default: |
2261 | return -EINVAL; | |
2262 | } | |
2263 | ||
2264 | return 0; | |
2265 | } | |
2266 | ||
25c13324 AL |
2267 | static inline int check_dm_type_support(struct mlx5_ib_dev *dev, |
2268 | u32 type) | |
24da0016 | 2269 | { |
25c13324 AL |
2270 | switch (type) { |
2271 | case MLX5_IB_UAPI_DM_TYPE_MEMIC: | |
2272 | if (!MLX5_CAP_DEV_MEM(dev->mdev, memic)) | |
2273 | return -EOPNOTSUPP; | |
2274 | break; | |
2275 | case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM: | |
2276 | if (!capable(CAP_SYS_RAWIO) || | |
2277 | !capable(CAP_NET_RAW)) | |
2278 | return -EPERM; | |
2279 | ||
2280 | if (!(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner) || | |
2281 | MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, sw_owner))) | |
2282 | return -EOPNOTSUPP; | |
2283 | break; | |
2284 | } | |
2285 | ||
2286 | return 0; | |
2287 | } | |
2288 | ||
3b113a1e AL |
2289 | static int handle_alloc_dm_memic(struct ib_ucontext *ctx, |
2290 | struct mlx5_ib_dm *dm, | |
2291 | struct ib_dm_alloc_attr *attr, | |
2292 | struct uverbs_attr_bundle *attrs) | |
24da0016 | 2293 | { |
3b113a1e | 2294 | struct mlx5_dm *dm_db = &to_mdev(ctx->device)->dm; |
24da0016 AL |
2295 | u64 start_offset; |
2296 | u32 page_idx; | |
2297 | int err; | |
2298 | ||
3b113a1e | 2299 | dm->size = roundup(attr->length, MLX5_MEMIC_BASE_SIZE); |
24da0016 | 2300 | |
3b113a1e AL |
2301 | err = mlx5_cmd_alloc_memic(dm_db, &dm->dev_addr, |
2302 | dm->size, attr->alignment); | |
24da0016 | 2303 | if (err) |
3b113a1e | 2304 | return err; |
24da0016 | 2305 | |
3b113a1e AL |
2306 | page_idx = (dm->dev_addr - pci_resource_start(dm_db->dev->pdev, 0) - |
2307 | MLX5_CAP64_DEV_MEM(dm_db->dev, memic_bar_start_addr)) >> | |
24da0016 AL |
2308 | PAGE_SHIFT; |
2309 | ||
2310 | err = uverbs_copy_to(attrs, | |
3b113a1e AL |
2311 | MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX, |
2312 | &page_idx, sizeof(page_idx)); | |
24da0016 AL |
2313 | if (err) |
2314 | goto err_dealloc; | |
2315 | ||
3b113a1e | 2316 | start_offset = dm->dev_addr & ~PAGE_MASK; |
24da0016 AL |
2317 | err = uverbs_copy_to(attrs, |
2318 | MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET, | |
2319 | &start_offset, sizeof(start_offset)); | |
2320 | if (err) | |
2321 | goto err_dealloc; | |
2322 | ||
3b113a1e AL |
2323 | bitmap_set(to_mucontext(ctx)->dm_pages, page_idx, |
2324 | DIV_ROUND_UP(dm->size, PAGE_SIZE)); | |
2325 | ||
2326 | return 0; | |
2327 | ||
2328 | err_dealloc: | |
2329 | mlx5_cmd_dealloc_memic(dm_db, dm->dev_addr, dm->size); | |
2330 | ||
2331 | return err; | |
2332 | } | |
2333 | ||
25c13324 AL |
2334 | static int handle_alloc_dm_sw_icm(struct ib_ucontext *ctx, |
2335 | struct mlx5_ib_dm *dm, | |
2336 | struct ib_dm_alloc_attr *attr, | |
2337 | struct uverbs_attr_bundle *attrs, | |
2338 | int type) | |
2339 | { | |
2340 | struct mlx5_dm *dm_db = &to_mdev(ctx->device)->dm; | |
2341 | u64 act_size; | |
2342 | int err; | |
2343 | ||
2344 | /* Allocation size must a multiple of the basic block size | |
2345 | * and a power of 2. | |
2346 | */ | |
2347 | act_size = roundup(attr->length, MLX5_SW_ICM_BLOCK_SIZE(dm_db->dev)); | |
2348 | act_size = roundup_pow_of_two(act_size); | |
2349 | ||
2350 | dm->size = act_size; | |
2351 | err = mlx5_cmd_alloc_sw_icm(dm_db, type, act_size, | |
2352 | to_mucontext(ctx)->devx_uid, &dm->dev_addr, | |
2353 | &dm->icm_dm.obj_id); | |
2354 | if (err) | |
2355 | return err; | |
2356 | ||
24da0016 | 2357 | err = uverbs_copy_to(attrs, |
25c13324 AL |
2358 | MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET, |
2359 | &dm->dev_addr, sizeof(dm->dev_addr)); | |
24da0016 | 2360 | if (err) |
25c13324 AL |
2361 | mlx5_cmd_dealloc_sw_icm(dm_db, type, dm->size, |
2362 | to_mucontext(ctx)->devx_uid, | |
2363 | dm->dev_addr, dm->icm_dm.obj_id); | |
2364 | ||
2365 | return err; | |
2366 | } | |
2367 | ||
3b113a1e AL |
2368 | struct ib_dm *mlx5_ib_alloc_dm(struct ib_device *ibdev, |
2369 | struct ib_ucontext *context, | |
2370 | struct ib_dm_alloc_attr *attr, | |
2371 | struct uverbs_attr_bundle *attrs) | |
2372 | { | |
2373 | struct mlx5_ib_dm *dm; | |
2374 | enum mlx5_ib_uapi_dm_type type; | |
2375 | int err; | |
24da0016 | 2376 | |
3b113a1e AL |
2377 | err = uverbs_get_const_default(&type, attrs, |
2378 | MLX5_IB_ATTR_ALLOC_DM_REQ_TYPE, | |
2379 | MLX5_IB_UAPI_DM_TYPE_MEMIC); | |
2380 | if (err) | |
2381 | return ERR_PTR(err); | |
24da0016 | 2382 | |
3b113a1e AL |
2383 | mlx5_ib_dbg(to_mdev(ibdev), "alloc_dm req: dm_type=%d user_length=0x%llx log_alignment=%d\n", |
2384 | type, attr->length, attr->alignment); | |
2385 | ||
25c13324 AL |
2386 | err = check_dm_type_support(to_mdev(ibdev), type); |
2387 | if (err) | |
2388 | return ERR_PTR(err); | |
2389 | ||
3b113a1e AL |
2390 | dm = kzalloc(sizeof(*dm), GFP_KERNEL); |
2391 | if (!dm) | |
2392 | return ERR_PTR(-ENOMEM); | |
2393 | ||
2394 | dm->type = type; | |
2395 | ||
2396 | switch (type) { | |
2397 | case MLX5_IB_UAPI_DM_TYPE_MEMIC: | |
2398 | err = handle_alloc_dm_memic(context, dm, | |
2399 | attr, | |
2400 | attrs); | |
2401 | break; | |
25c13324 AL |
2402 | case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM: |
2403 | case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_SW_ICM: | |
2404 | err = handle_alloc_dm_sw_icm(context, dm, attr, attrs, type); | |
2405 | break; | |
3b113a1e AL |
2406 | default: |
2407 | err = -EOPNOTSUPP; | |
2408 | } | |
24da0016 | 2409 | |
3b113a1e AL |
2410 | if (err) |
2411 | goto err_free; | |
24da0016 AL |
2412 | |
2413 | return &dm->ibdm; | |
2414 | ||
24da0016 AL |
2415 | err_free: |
2416 | kfree(dm); | |
2417 | return ERR_PTR(err); | |
2418 | } | |
2419 | ||
c4367a26 | 2420 | int mlx5_ib_dealloc_dm(struct ib_dm *ibdm, struct uverbs_attr_bundle *attrs) |
24da0016 | 2421 | { |
25c13324 AL |
2422 | struct mlx5_ib_ucontext *ctx = rdma_udata_to_drv_context( |
2423 | &attrs->driver_udata, struct mlx5_ib_ucontext, ibucontext); | |
3b113a1e | 2424 | struct mlx5_dm *dm_db = &to_mdev(ibdm->device)->dm; |
24da0016 | 2425 | struct mlx5_ib_dm *dm = to_mdm(ibdm); |
24da0016 AL |
2426 | u32 page_idx; |
2427 | int ret; | |
2428 | ||
3b113a1e AL |
2429 | switch (dm->type) { |
2430 | case MLX5_IB_UAPI_DM_TYPE_MEMIC: | |
2431 | ret = mlx5_cmd_dealloc_memic(dm_db, dm->dev_addr, dm->size); | |
2432 | if (ret) | |
2433 | return ret; | |
24da0016 | 2434 | |
3b113a1e AL |
2435 | page_idx = (dm->dev_addr - |
2436 | pci_resource_start(dm_db->dev->pdev, 0) - | |
2437 | MLX5_CAP64_DEV_MEM(dm_db->dev, | |
2438 | memic_bar_start_addr)) >> | |
2439 | PAGE_SHIFT; | |
25c13324 AL |
2440 | bitmap_clear(ctx->dm_pages, page_idx, |
2441 | DIV_ROUND_UP(dm->size, PAGE_SIZE)); | |
2442 | break; | |
2443 | case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM: | |
2444 | case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_SW_ICM: | |
2445 | ret = mlx5_cmd_dealloc_sw_icm(dm_db, dm->type, dm->size, | |
2446 | ctx->devx_uid, dm->dev_addr, | |
2447 | dm->icm_dm.obj_id); | |
2448 | if (ret) | |
2449 | return ret; | |
3b113a1e AL |
2450 | break; |
2451 | default: | |
2452 | return -EOPNOTSUPP; | |
2453 | } | |
24da0016 AL |
2454 | |
2455 | kfree(dm); | |
2456 | ||
2457 | return 0; | |
2458 | } | |
2459 | ||
ff23dfa1 | 2460 | static int mlx5_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata) |
e126ba97 | 2461 | { |
21a428a0 LR |
2462 | struct mlx5_ib_pd *pd = to_mpd(ibpd); |
2463 | struct ib_device *ibdev = ibpd->device; | |
e126ba97 | 2464 | struct mlx5_ib_alloc_pd_resp resp; |
e126ba97 | 2465 | int err; |
a1069c1c YH |
2466 | u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {}; |
2467 | u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {}; | |
2468 | u16 uid = 0; | |
ff23dfa1 SR |
2469 | struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context( |
2470 | udata, struct mlx5_ib_ucontext, ibucontext); | |
e126ba97 | 2471 | |
ff23dfa1 | 2472 | uid = context ? context->devx_uid : 0; |
a1069c1c YH |
2473 | MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD); |
2474 | MLX5_SET(alloc_pd_in, in, uid, uid); | |
2475 | err = mlx5_cmd_exec(to_mdev(ibdev)->mdev, in, sizeof(in), | |
2476 | out, sizeof(out)); | |
21a428a0 LR |
2477 | if (err) |
2478 | return err; | |
e126ba97 | 2479 | |
a1069c1c YH |
2480 | pd->pdn = MLX5_GET(alloc_pd_out, out, pd); |
2481 | pd->uid = uid; | |
ff23dfa1 | 2482 | if (udata) { |
e126ba97 EC |
2483 | resp.pdn = pd->pdn; |
2484 | if (ib_copy_to_udata(udata, &resp, sizeof(resp))) { | |
a1069c1c | 2485 | mlx5_cmd_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn, uid); |
21a428a0 | 2486 | return -EFAULT; |
e126ba97 | 2487 | } |
e126ba97 EC |
2488 | } |
2489 | ||
21a428a0 | 2490 | return 0; |
e126ba97 EC |
2491 | } |
2492 | ||
c4367a26 | 2493 | static void mlx5_ib_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata) |
e126ba97 EC |
2494 | { |
2495 | struct mlx5_ib_dev *mdev = to_mdev(pd->device); | |
2496 | struct mlx5_ib_pd *mpd = to_mpd(pd); | |
2497 | ||
a1069c1c | 2498 | mlx5_cmd_dealloc_pd(mdev->mdev, mpd->pdn, mpd->uid); |
e126ba97 EC |
2499 | } |
2500 | ||
466fa6d2 MG |
2501 | enum { |
2502 | MATCH_CRITERIA_ENABLE_OUTER_BIT, | |
2503 | MATCH_CRITERIA_ENABLE_MISC_BIT, | |
71c6e863 AL |
2504 | MATCH_CRITERIA_ENABLE_INNER_BIT, |
2505 | MATCH_CRITERIA_ENABLE_MISC2_BIT | |
466fa6d2 MG |
2506 | }; |
2507 | ||
2508 | #define HEADER_IS_ZERO(match_criteria, headers) \ | |
2509 | !(memchr_inv(MLX5_ADDR_OF(fte_match_param, match_criteria, headers), \ | |
2510 | 0, MLX5_FLD_SZ_BYTES(fte_match_param, headers))) \ | |
038d2ef8 | 2511 | |
466fa6d2 | 2512 | static u8 get_match_criteria_enable(u32 *match_criteria) |
038d2ef8 | 2513 | { |
466fa6d2 | 2514 | u8 match_criteria_enable; |
038d2ef8 | 2515 | |
466fa6d2 MG |
2516 | match_criteria_enable = |
2517 | (!HEADER_IS_ZERO(match_criteria, outer_headers)) << | |
2518 | MATCH_CRITERIA_ENABLE_OUTER_BIT; | |
2519 | match_criteria_enable |= | |
2520 | (!HEADER_IS_ZERO(match_criteria, misc_parameters)) << | |
2521 | MATCH_CRITERIA_ENABLE_MISC_BIT; | |
2522 | match_criteria_enable |= | |
2523 | (!HEADER_IS_ZERO(match_criteria, inner_headers)) << | |
2524 | MATCH_CRITERIA_ENABLE_INNER_BIT; | |
71c6e863 AL |
2525 | match_criteria_enable |= |
2526 | (!HEADER_IS_ZERO(match_criteria, misc_parameters_2)) << | |
2527 | MATCH_CRITERIA_ENABLE_MISC2_BIT; | |
466fa6d2 MG |
2528 | |
2529 | return match_criteria_enable; | |
038d2ef8 MG |
2530 | } |
2531 | ||
6113cc44 | 2532 | static int set_proto(void *outer_c, void *outer_v, u8 mask, u8 val) |
ca0d4753 | 2533 | { |
6113cc44 MG |
2534 | u8 entry_mask; |
2535 | u8 entry_val; | |
2536 | int err = 0; | |
2537 | ||
2538 | if (!mask) | |
2539 | goto out; | |
2540 | ||
2541 | entry_mask = MLX5_GET(fte_match_set_lyr_2_4, outer_c, | |
2542 | ip_protocol); | |
2543 | entry_val = MLX5_GET(fte_match_set_lyr_2_4, outer_v, | |
2544 | ip_protocol); | |
2545 | if (!entry_mask) { | |
2546 | MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_protocol, mask); | |
2547 | MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_protocol, val); | |
2548 | goto out; | |
2549 | } | |
2550 | /* Don't override existing ip protocol */ | |
2551 | if (mask != entry_mask || val != entry_val) | |
2552 | err = -EINVAL; | |
2553 | out: | |
2554 | return err; | |
038d2ef8 MG |
2555 | } |
2556 | ||
37da2a03 | 2557 | static void set_flow_label(void *misc_c, void *misc_v, u32 mask, u32 val, |
2d1e697e MR |
2558 | bool inner) |
2559 | { | |
2560 | if (inner) { | |
2561 | MLX5_SET(fte_match_set_misc, | |
2562 | misc_c, inner_ipv6_flow_label, mask); | |
2563 | MLX5_SET(fte_match_set_misc, | |
2564 | misc_v, inner_ipv6_flow_label, val); | |
2565 | } else { | |
2566 | MLX5_SET(fte_match_set_misc, | |
2567 | misc_c, outer_ipv6_flow_label, mask); | |
2568 | MLX5_SET(fte_match_set_misc, | |
2569 | misc_v, outer_ipv6_flow_label, val); | |
2570 | } | |
2571 | } | |
2572 | ||
ca0d4753 MG |
2573 | static void set_tos(void *outer_c, void *outer_v, u8 mask, u8 val) |
2574 | { | |
2575 | MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_ecn, mask); | |
2576 | MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_ecn, val); | |
2577 | MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_dscp, mask >> 2); | |
2578 | MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_dscp, val >> 2); | |
2579 | } | |
2580 | ||
71c6e863 AL |
2581 | static int check_mpls_supp_fields(u32 field_support, const __be32 *set_mask) |
2582 | { | |
2583 | if (MLX5_GET(fte_match_mpls, set_mask, mpls_label) && | |
2584 | !(field_support & MLX5_FIELD_SUPPORT_MPLS_LABEL)) | |
2585 | return -EOPNOTSUPP; | |
2586 | ||
2587 | if (MLX5_GET(fte_match_mpls, set_mask, mpls_exp) && | |
2588 | !(field_support & MLX5_FIELD_SUPPORT_MPLS_EXP)) | |
2589 | return -EOPNOTSUPP; | |
2590 | ||
2591 | if (MLX5_GET(fte_match_mpls, set_mask, mpls_s_bos) && | |
2592 | !(field_support & MLX5_FIELD_SUPPORT_MPLS_S_BOS)) | |
2593 | return -EOPNOTSUPP; | |
2594 | ||
2595 | if (MLX5_GET(fte_match_mpls, set_mask, mpls_ttl) && | |
2596 | !(field_support & MLX5_FIELD_SUPPORT_MPLS_TTL)) | |
2597 | return -EOPNOTSUPP; | |
2598 | ||
2599 | return 0; | |
2600 | } | |
2601 | ||
c47ac6ae MG |
2602 | #define LAST_ETH_FIELD vlan_tag |
2603 | #define LAST_IB_FIELD sl | |
ca0d4753 | 2604 | #define LAST_IPV4_FIELD tos |
466fa6d2 | 2605 | #define LAST_IPV6_FIELD traffic_class |
c47ac6ae | 2606 | #define LAST_TCP_UDP_FIELD src_port |
ffb30d8f | 2607 | #define LAST_TUNNEL_FIELD tunnel_id |
2ac693f9 | 2608 | #define LAST_FLOW_TAG_FIELD tag_id |
a22ed86c | 2609 | #define LAST_DROP_FIELD size |
3b3233fb | 2610 | #define LAST_COUNTERS_FIELD counters |
c47ac6ae MG |
2611 | |
2612 | /* Field is the last supported field */ | |
2613 | #define FIELDS_NOT_SUPPORTED(filter, field)\ | |
2614 | memchr_inv((void *)&filter.field +\ | |
2615 | sizeof(filter.field), 0,\ | |
2616 | sizeof(filter) -\ | |
2617 | offsetof(typeof(filter), field) -\ | |
2618 | sizeof(filter.field)) | |
2619 | ||
2ea26203 MB |
2620 | int parse_flow_flow_action(struct mlx5_ib_flow_action *maction, |
2621 | bool is_egress, | |
2622 | struct mlx5_flow_act *action) | |
802c2125 | 2623 | { |
802c2125 AY |
2624 | |
2625 | switch (maction->ib_action.type) { | |
2626 | case IB_FLOW_ACTION_ESP: | |
501f14e3 MB |
2627 | if (action->action & (MLX5_FLOW_CONTEXT_ACTION_ENCRYPT | |
2628 | MLX5_FLOW_CONTEXT_ACTION_DECRYPT)) | |
2629 | return -EINVAL; | |
802c2125 AY |
2630 | /* Currently only AES_GCM keymat is supported by the driver */ |
2631 | action->esp_id = (uintptr_t)maction->esp_aes_gcm.ctx; | |
2ea26203 | 2632 | action->action |= is_egress ? |
802c2125 AY |
2633 | MLX5_FLOW_CONTEXT_ACTION_ENCRYPT : |
2634 | MLX5_FLOW_CONTEXT_ACTION_DECRYPT; | |
2635 | return 0; | |
b1085be3 MB |
2636 | case IB_FLOW_ACTION_UNSPECIFIED: |
2637 | if (maction->flow_action_raw.sub_type == | |
2638 | MLX5_IB_FLOW_ACTION_MODIFY_HEADER) { | |
501f14e3 MB |
2639 | if (action->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) |
2640 | return -EINVAL; | |
b1085be3 MB |
2641 | action->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; |
2642 | action->modify_id = maction->flow_action_raw.action_id; | |
2643 | return 0; | |
2644 | } | |
10a30896 MB |
2645 | if (maction->flow_action_raw.sub_type == |
2646 | MLX5_IB_FLOW_ACTION_DECAP) { | |
501f14e3 MB |
2647 | if (action->action & MLX5_FLOW_CONTEXT_ACTION_DECAP) |
2648 | return -EINVAL; | |
10a30896 MB |
2649 | action->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; |
2650 | return 0; | |
2651 | } | |
e806f932 MB |
2652 | if (maction->flow_action_raw.sub_type == |
2653 | MLX5_IB_FLOW_ACTION_PACKET_REFORMAT) { | |
501f14e3 MB |
2654 | if (action->action & |
2655 | MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT) | |
2656 | return -EINVAL; | |
e806f932 MB |
2657 | action->action |= |
2658 | MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; | |
2659 | action->reformat_id = | |
2660 | maction->flow_action_raw.action_id; | |
2661 | return 0; | |
2662 | } | |
b1085be3 | 2663 | /* fall through */ |
802c2125 AY |
2664 | default: |
2665 | return -EOPNOTSUPP; | |
2666 | } | |
2667 | } | |
2668 | ||
19cc7524 AL |
2669 | static int parse_flow_attr(struct mlx5_core_dev *mdev, u32 *match_c, |
2670 | u32 *match_v, const union ib_flow_spec *ib_spec, | |
802c2125 | 2671 | const struct ib_flow_attr *flow_attr, |
71c6e863 | 2672 | struct mlx5_flow_act *action, u32 prev_type) |
038d2ef8 | 2673 | { |
466fa6d2 MG |
2674 | void *misc_params_c = MLX5_ADDR_OF(fte_match_param, match_c, |
2675 | misc_parameters); | |
2676 | void *misc_params_v = MLX5_ADDR_OF(fte_match_param, match_v, | |
2677 | misc_parameters); | |
71c6e863 AL |
2678 | void *misc_params2_c = MLX5_ADDR_OF(fte_match_param, match_c, |
2679 | misc_parameters_2); | |
2680 | void *misc_params2_v = MLX5_ADDR_OF(fte_match_param, match_v, | |
2681 | misc_parameters_2); | |
2d1e697e MR |
2682 | void *headers_c; |
2683 | void *headers_v; | |
19cc7524 | 2684 | int match_ipv; |
802c2125 | 2685 | int ret; |
2d1e697e MR |
2686 | |
2687 | if (ib_spec->type & IB_FLOW_SPEC_INNER) { | |
2688 | headers_c = MLX5_ADDR_OF(fte_match_param, match_c, | |
2689 | inner_headers); | |
2690 | headers_v = MLX5_ADDR_OF(fte_match_param, match_v, | |
2691 | inner_headers); | |
19cc7524 AL |
2692 | match_ipv = MLX5_CAP_FLOWTABLE_NIC_RX(mdev, |
2693 | ft_field_support.inner_ip_version); | |
2d1e697e MR |
2694 | } else { |
2695 | headers_c = MLX5_ADDR_OF(fte_match_param, match_c, | |
2696 | outer_headers); | |
2697 | headers_v = MLX5_ADDR_OF(fte_match_param, match_v, | |
2698 | outer_headers); | |
19cc7524 AL |
2699 | match_ipv = MLX5_CAP_FLOWTABLE_NIC_RX(mdev, |
2700 | ft_field_support.outer_ip_version); | |
2d1e697e | 2701 | } |
466fa6d2 | 2702 | |
2d1e697e | 2703 | switch (ib_spec->type & ~IB_FLOW_SPEC_INNER) { |
038d2ef8 | 2704 | case IB_FLOW_SPEC_ETH: |
c47ac6ae | 2705 | if (FIELDS_NOT_SUPPORTED(ib_spec->eth.mask, LAST_ETH_FIELD)) |
1ffd3a26 | 2706 | return -EOPNOTSUPP; |
038d2ef8 | 2707 | |
2d1e697e | 2708 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
2709 | dmac_47_16), |
2710 | ib_spec->eth.mask.dst_mac); | |
2d1e697e | 2711 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2712 | dmac_47_16), |
2713 | ib_spec->eth.val.dst_mac); | |
2714 | ||
2d1e697e | 2715 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
ee3da804 MG |
2716 | smac_47_16), |
2717 | ib_spec->eth.mask.src_mac); | |
2d1e697e | 2718 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
ee3da804 MG |
2719 | smac_47_16), |
2720 | ib_spec->eth.val.src_mac); | |
2721 | ||
038d2ef8 | 2722 | if (ib_spec->eth.mask.vlan_tag) { |
2d1e697e | 2723 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
10543365 | 2724 | cvlan_tag, 1); |
2d1e697e | 2725 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
10543365 | 2726 | cvlan_tag, 1); |
038d2ef8 | 2727 | |
2d1e697e | 2728 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 | 2729 | first_vid, ntohs(ib_spec->eth.mask.vlan_tag)); |
2d1e697e | 2730 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2731 | first_vid, ntohs(ib_spec->eth.val.vlan_tag)); |
2732 | ||
2d1e697e | 2733 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
2734 | first_cfi, |
2735 | ntohs(ib_spec->eth.mask.vlan_tag) >> 12); | |
2d1e697e | 2736 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2737 | first_cfi, |
2738 | ntohs(ib_spec->eth.val.vlan_tag) >> 12); | |
2739 | ||
2d1e697e | 2740 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
2741 | first_prio, |
2742 | ntohs(ib_spec->eth.mask.vlan_tag) >> 13); | |
2d1e697e | 2743 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2744 | first_prio, |
2745 | ntohs(ib_spec->eth.val.vlan_tag) >> 13); | |
2746 | } | |
2d1e697e | 2747 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 | 2748 | ethertype, ntohs(ib_spec->eth.mask.ether_type)); |
2d1e697e | 2749 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2750 | ethertype, ntohs(ib_spec->eth.val.ether_type)); |
2751 | break; | |
2752 | case IB_FLOW_SPEC_IPV4: | |
c47ac6ae | 2753 | if (FIELDS_NOT_SUPPORTED(ib_spec->ipv4.mask, LAST_IPV4_FIELD)) |
1ffd3a26 | 2754 | return -EOPNOTSUPP; |
038d2ef8 | 2755 | |
19cc7524 AL |
2756 | if (match_ipv) { |
2757 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, | |
2758 | ip_version, 0xf); | |
2759 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, | |
3346c487 | 2760 | ip_version, MLX5_FS_IPV4_VERSION); |
19cc7524 AL |
2761 | } else { |
2762 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, | |
2763 | ethertype, 0xffff); | |
2764 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, | |
2765 | ethertype, ETH_P_IP); | |
2766 | } | |
038d2ef8 | 2767 | |
2d1e697e | 2768 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
2769 | src_ipv4_src_ipv6.ipv4_layout.ipv4), |
2770 | &ib_spec->ipv4.mask.src_ip, | |
2771 | sizeof(ib_spec->ipv4.mask.src_ip)); | |
2d1e697e | 2772 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2773 | src_ipv4_src_ipv6.ipv4_layout.ipv4), |
2774 | &ib_spec->ipv4.val.src_ip, | |
2775 | sizeof(ib_spec->ipv4.val.src_ip)); | |
2d1e697e | 2776 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
2777 | dst_ipv4_dst_ipv6.ipv4_layout.ipv4), |
2778 | &ib_spec->ipv4.mask.dst_ip, | |
2779 | sizeof(ib_spec->ipv4.mask.dst_ip)); | |
2d1e697e | 2780 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2781 | dst_ipv4_dst_ipv6.ipv4_layout.ipv4), |
2782 | &ib_spec->ipv4.val.dst_ip, | |
2783 | sizeof(ib_spec->ipv4.val.dst_ip)); | |
ca0d4753 | 2784 | |
2d1e697e | 2785 | set_tos(headers_c, headers_v, |
ca0d4753 MG |
2786 | ib_spec->ipv4.mask.tos, ib_spec->ipv4.val.tos); |
2787 | ||
6113cc44 MG |
2788 | if (set_proto(headers_c, headers_v, |
2789 | ib_spec->ipv4.mask.proto, | |
2790 | ib_spec->ipv4.val.proto)) | |
2791 | return -EINVAL; | |
038d2ef8 | 2792 | break; |
026bae0c | 2793 | case IB_FLOW_SPEC_IPV6: |
c47ac6ae | 2794 | if (FIELDS_NOT_SUPPORTED(ib_spec->ipv6.mask, LAST_IPV6_FIELD)) |
1ffd3a26 | 2795 | return -EOPNOTSUPP; |
026bae0c | 2796 | |
19cc7524 AL |
2797 | if (match_ipv) { |
2798 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, | |
2799 | ip_version, 0xf); | |
2800 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, | |
3346c487 | 2801 | ip_version, MLX5_FS_IPV6_VERSION); |
19cc7524 AL |
2802 | } else { |
2803 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, | |
2804 | ethertype, 0xffff); | |
2805 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, | |
2806 | ethertype, ETH_P_IPV6); | |
2807 | } | |
026bae0c | 2808 | |
2d1e697e | 2809 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
026bae0c MG |
2810 | src_ipv4_src_ipv6.ipv6_layout.ipv6), |
2811 | &ib_spec->ipv6.mask.src_ip, | |
2812 | sizeof(ib_spec->ipv6.mask.src_ip)); | |
2d1e697e | 2813 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
026bae0c MG |
2814 | src_ipv4_src_ipv6.ipv6_layout.ipv6), |
2815 | &ib_spec->ipv6.val.src_ip, | |
2816 | sizeof(ib_spec->ipv6.val.src_ip)); | |
2d1e697e | 2817 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
026bae0c MG |
2818 | dst_ipv4_dst_ipv6.ipv6_layout.ipv6), |
2819 | &ib_spec->ipv6.mask.dst_ip, | |
2820 | sizeof(ib_spec->ipv6.mask.dst_ip)); | |
2d1e697e | 2821 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
026bae0c MG |
2822 | dst_ipv4_dst_ipv6.ipv6_layout.ipv6), |
2823 | &ib_spec->ipv6.val.dst_ip, | |
2824 | sizeof(ib_spec->ipv6.val.dst_ip)); | |
466fa6d2 | 2825 | |
2d1e697e | 2826 | set_tos(headers_c, headers_v, |
466fa6d2 MG |
2827 | ib_spec->ipv6.mask.traffic_class, |
2828 | ib_spec->ipv6.val.traffic_class); | |
2829 | ||
6113cc44 MG |
2830 | if (set_proto(headers_c, headers_v, |
2831 | ib_spec->ipv6.mask.next_hdr, | |
2832 | ib_spec->ipv6.val.next_hdr)) | |
2833 | return -EINVAL; | |
466fa6d2 | 2834 | |
2d1e697e MR |
2835 | set_flow_label(misc_params_c, misc_params_v, |
2836 | ntohl(ib_spec->ipv6.mask.flow_label), | |
2837 | ntohl(ib_spec->ipv6.val.flow_label), | |
2838 | ib_spec->type & IB_FLOW_SPEC_INNER); | |
802c2125 AY |
2839 | break; |
2840 | case IB_FLOW_SPEC_ESP: | |
2841 | if (ib_spec->esp.mask.seq) | |
2842 | return -EOPNOTSUPP; | |
2d1e697e | 2843 | |
802c2125 AY |
2844 | MLX5_SET(fte_match_set_misc, misc_params_c, outer_esp_spi, |
2845 | ntohl(ib_spec->esp.mask.spi)); | |
2846 | MLX5_SET(fte_match_set_misc, misc_params_v, outer_esp_spi, | |
2847 | ntohl(ib_spec->esp.val.spi)); | |
026bae0c | 2848 | break; |
038d2ef8 | 2849 | case IB_FLOW_SPEC_TCP: |
c47ac6ae MG |
2850 | if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, |
2851 | LAST_TCP_UDP_FIELD)) | |
1ffd3a26 | 2852 | return -EOPNOTSUPP; |
038d2ef8 | 2853 | |
6113cc44 MG |
2854 | if (set_proto(headers_c, headers_v, 0xff, IPPROTO_TCP)) |
2855 | return -EINVAL; | |
038d2ef8 | 2856 | |
2d1e697e | 2857 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_sport, |
038d2ef8 | 2858 | ntohs(ib_spec->tcp_udp.mask.src_port)); |
2d1e697e | 2859 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_sport, |
038d2ef8 MG |
2860 | ntohs(ib_spec->tcp_udp.val.src_port)); |
2861 | ||
2d1e697e | 2862 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_dport, |
038d2ef8 | 2863 | ntohs(ib_spec->tcp_udp.mask.dst_port)); |
2d1e697e | 2864 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_dport, |
038d2ef8 MG |
2865 | ntohs(ib_spec->tcp_udp.val.dst_port)); |
2866 | break; | |
2867 | case IB_FLOW_SPEC_UDP: | |
c47ac6ae MG |
2868 | if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, |
2869 | LAST_TCP_UDP_FIELD)) | |
1ffd3a26 | 2870 | return -EOPNOTSUPP; |
038d2ef8 | 2871 | |
6113cc44 MG |
2872 | if (set_proto(headers_c, headers_v, 0xff, IPPROTO_UDP)) |
2873 | return -EINVAL; | |
038d2ef8 | 2874 | |
2d1e697e | 2875 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, udp_sport, |
038d2ef8 | 2876 | ntohs(ib_spec->tcp_udp.mask.src_port)); |
2d1e697e | 2877 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_sport, |
038d2ef8 MG |
2878 | ntohs(ib_spec->tcp_udp.val.src_port)); |
2879 | ||
2d1e697e | 2880 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, udp_dport, |
038d2ef8 | 2881 | ntohs(ib_spec->tcp_udp.mask.dst_port)); |
2d1e697e | 2882 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, |
038d2ef8 MG |
2883 | ntohs(ib_spec->tcp_udp.val.dst_port)); |
2884 | break; | |
da2f22ae AL |
2885 | case IB_FLOW_SPEC_GRE: |
2886 | if (ib_spec->gre.mask.c_ks_res0_ver) | |
2887 | return -EOPNOTSUPP; | |
2888 | ||
6113cc44 MG |
2889 | if (set_proto(headers_c, headers_v, 0xff, IPPROTO_GRE)) |
2890 | return -EINVAL; | |
2891 | ||
da2f22ae AL |
2892 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, |
2893 | 0xff); | |
2894 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, | |
2895 | IPPROTO_GRE); | |
2896 | ||
2897 | MLX5_SET(fte_match_set_misc, misc_params_c, gre_protocol, | |
a93b632c | 2898 | ntohs(ib_spec->gre.mask.protocol)); |
da2f22ae AL |
2899 | MLX5_SET(fte_match_set_misc, misc_params_v, gre_protocol, |
2900 | ntohs(ib_spec->gre.val.protocol)); | |
2901 | ||
2902 | memcpy(MLX5_ADDR_OF(fte_match_set_misc, misc_params_c, | |
5886a96a | 2903 | gre_key.nvgre.hi), |
da2f22ae AL |
2904 | &ib_spec->gre.mask.key, |
2905 | sizeof(ib_spec->gre.mask.key)); | |
2906 | memcpy(MLX5_ADDR_OF(fte_match_set_misc, misc_params_v, | |
5886a96a | 2907 | gre_key.nvgre.hi), |
da2f22ae AL |
2908 | &ib_spec->gre.val.key, |
2909 | sizeof(ib_spec->gre.val.key)); | |
2910 | break; | |
71c6e863 AL |
2911 | case IB_FLOW_SPEC_MPLS: |
2912 | switch (prev_type) { | |
2913 | case IB_FLOW_SPEC_UDP: | |
2914 | if (check_mpls_supp_fields(MLX5_CAP_FLOWTABLE_NIC_RX(mdev, | |
2915 | ft_field_support.outer_first_mpls_over_udp), | |
2916 | &ib_spec->mpls.mask.tag)) | |
2917 | return -EOPNOTSUPP; | |
2918 | ||
2919 | memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_v, | |
2920 | outer_first_mpls_over_udp), | |
2921 | &ib_spec->mpls.val.tag, | |
2922 | sizeof(ib_spec->mpls.val.tag)); | |
2923 | memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_c, | |
2924 | outer_first_mpls_over_udp), | |
2925 | &ib_spec->mpls.mask.tag, | |
2926 | sizeof(ib_spec->mpls.mask.tag)); | |
2927 | break; | |
2928 | case IB_FLOW_SPEC_GRE: | |
2929 | if (check_mpls_supp_fields(MLX5_CAP_FLOWTABLE_NIC_RX(mdev, | |
2930 | ft_field_support.outer_first_mpls_over_gre), | |
2931 | &ib_spec->mpls.mask.tag)) | |
2932 | return -EOPNOTSUPP; | |
2933 | ||
2934 | memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_v, | |
2935 | outer_first_mpls_over_gre), | |
2936 | &ib_spec->mpls.val.tag, | |
2937 | sizeof(ib_spec->mpls.val.tag)); | |
2938 | memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_c, | |
2939 | outer_first_mpls_over_gre), | |
2940 | &ib_spec->mpls.mask.tag, | |
2941 | sizeof(ib_spec->mpls.mask.tag)); | |
2942 | break; | |
2943 | default: | |
2944 | if (ib_spec->type & IB_FLOW_SPEC_INNER) { | |
2945 | if (check_mpls_supp_fields(MLX5_CAP_FLOWTABLE_NIC_RX(mdev, | |
2946 | ft_field_support.inner_first_mpls), | |
2947 | &ib_spec->mpls.mask.tag)) | |
2948 | return -EOPNOTSUPP; | |
2949 | ||
2950 | memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_v, | |
2951 | inner_first_mpls), | |
2952 | &ib_spec->mpls.val.tag, | |
2953 | sizeof(ib_spec->mpls.val.tag)); | |
2954 | memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_c, | |
2955 | inner_first_mpls), | |
2956 | &ib_spec->mpls.mask.tag, | |
2957 | sizeof(ib_spec->mpls.mask.tag)); | |
2958 | } else { | |
2959 | if (check_mpls_supp_fields(MLX5_CAP_FLOWTABLE_NIC_RX(mdev, | |
2960 | ft_field_support.outer_first_mpls), | |
2961 | &ib_spec->mpls.mask.tag)) | |
2962 | return -EOPNOTSUPP; | |
2963 | ||
2964 | memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_v, | |
2965 | outer_first_mpls), | |
2966 | &ib_spec->mpls.val.tag, | |
2967 | sizeof(ib_spec->mpls.val.tag)); | |
2968 | memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_c, | |
2969 | outer_first_mpls), | |
2970 | &ib_spec->mpls.mask.tag, | |
2971 | sizeof(ib_spec->mpls.mask.tag)); | |
2972 | } | |
2973 | } | |
2974 | break; | |
ffb30d8f MR |
2975 | case IB_FLOW_SPEC_VXLAN_TUNNEL: |
2976 | if (FIELDS_NOT_SUPPORTED(ib_spec->tunnel.mask, | |
2977 | LAST_TUNNEL_FIELD)) | |
1ffd3a26 | 2978 | return -EOPNOTSUPP; |
ffb30d8f MR |
2979 | |
2980 | MLX5_SET(fte_match_set_misc, misc_params_c, vxlan_vni, | |
2981 | ntohl(ib_spec->tunnel.mask.tunnel_id)); | |
2982 | MLX5_SET(fte_match_set_misc, misc_params_v, vxlan_vni, | |
2983 | ntohl(ib_spec->tunnel.val.tunnel_id)); | |
2984 | break; | |
2ac693f9 MR |
2985 | case IB_FLOW_SPEC_ACTION_TAG: |
2986 | if (FIELDS_NOT_SUPPORTED(ib_spec->flow_tag, | |
2987 | LAST_FLOW_TAG_FIELD)) | |
2988 | return -EOPNOTSUPP; | |
2989 | if (ib_spec->flow_tag.tag_id >= BIT(24)) | |
2990 | return -EINVAL; | |
2991 | ||
075572d4 | 2992 | action->flow_tag = ib_spec->flow_tag.tag_id; |
d5634fee | 2993 | action->flags |= FLOW_ACT_HAS_TAG; |
2ac693f9 | 2994 | break; |
a22ed86c SS |
2995 | case IB_FLOW_SPEC_ACTION_DROP: |
2996 | if (FIELDS_NOT_SUPPORTED(ib_spec->drop, | |
2997 | LAST_DROP_FIELD)) | |
2998 | return -EOPNOTSUPP; | |
075572d4 | 2999 | action->action |= MLX5_FLOW_CONTEXT_ACTION_DROP; |
a22ed86c | 3000 | break; |
802c2125 | 3001 | case IB_FLOW_SPEC_ACTION_HANDLE: |
2ea26203 MB |
3002 | ret = parse_flow_flow_action(to_mflow_act(ib_spec->action.act), |
3003 | flow_attr->flags & IB_FLOW_ATTR_FLAGS_EGRESS, action); | |
802c2125 AY |
3004 | if (ret) |
3005 | return ret; | |
3006 | break; | |
3b3233fb RS |
3007 | case IB_FLOW_SPEC_ACTION_COUNT: |
3008 | if (FIELDS_NOT_SUPPORTED(ib_spec->flow_count, | |
3009 | LAST_COUNTERS_FIELD)) | |
3010 | return -EOPNOTSUPP; | |
3011 | ||
3012 | /* for now support only one counters spec per flow */ | |
3013 | if (action->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) | |
3014 | return -EINVAL; | |
3015 | ||
3016 | action->counters = ib_spec->flow_count.counters; | |
3017 | action->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; | |
3018 | break; | |
038d2ef8 MG |
3019 | default: |
3020 | return -EINVAL; | |
3021 | } | |
3022 | ||
3023 | return 0; | |
3024 | } | |
3025 | ||
3026 | /* If a flow could catch both multicast and unicast packets, | |
3027 | * it won't fall into the multicast flow steering table and this rule | |
3028 | * could steal other multicast packets. | |
3029 | */ | |
a550ddfc | 3030 | static bool flow_is_multicast_only(const struct ib_flow_attr *ib_attr) |
038d2ef8 | 3031 | { |
81e30880 | 3032 | union ib_flow_spec *flow_spec; |
038d2ef8 MG |
3033 | |
3034 | if (ib_attr->type != IB_FLOW_ATTR_NORMAL || | |
038d2ef8 MG |
3035 | ib_attr->num_of_specs < 1) |
3036 | return false; | |
3037 | ||
81e30880 YH |
3038 | flow_spec = (union ib_flow_spec *)(ib_attr + 1); |
3039 | if (flow_spec->type == IB_FLOW_SPEC_IPV4) { | |
3040 | struct ib_flow_spec_ipv4 *ipv4_spec; | |
3041 | ||
3042 | ipv4_spec = (struct ib_flow_spec_ipv4 *)flow_spec; | |
3043 | if (ipv4_is_multicast(ipv4_spec->val.dst_ip)) | |
3044 | return true; | |
3045 | ||
038d2ef8 | 3046 | return false; |
81e30880 YH |
3047 | } |
3048 | ||
3049 | if (flow_spec->type == IB_FLOW_SPEC_ETH) { | |
3050 | struct ib_flow_spec_eth *eth_spec; | |
3051 | ||
3052 | eth_spec = (struct ib_flow_spec_eth *)flow_spec; | |
3053 | return is_multicast_ether_addr(eth_spec->mask.dst_mac) && | |
3054 | is_multicast_ether_addr(eth_spec->val.dst_mac); | |
3055 | } | |
038d2ef8 | 3056 | |
81e30880 | 3057 | return false; |
038d2ef8 MG |
3058 | } |
3059 | ||
802c2125 AY |
3060 | enum valid_spec { |
3061 | VALID_SPEC_INVALID, | |
3062 | VALID_SPEC_VALID, | |
3063 | VALID_SPEC_NA, | |
3064 | }; | |
3065 | ||
3066 | static enum valid_spec | |
3067 | is_valid_esp_aes_gcm(struct mlx5_core_dev *mdev, | |
3068 | const struct mlx5_flow_spec *spec, | |
3069 | const struct mlx5_flow_act *flow_act, | |
3070 | bool egress) | |
3071 | { | |
3072 | const u32 *match_c = spec->match_criteria; | |
3073 | bool is_crypto = | |
3074 | (flow_act->action & (MLX5_FLOW_CONTEXT_ACTION_ENCRYPT | | |
3075 | MLX5_FLOW_CONTEXT_ACTION_DECRYPT)); | |
3076 | bool is_ipsec = mlx5_fs_is_ipsec_flow(match_c); | |
3077 | bool is_drop = flow_act->action & MLX5_FLOW_CONTEXT_ACTION_DROP; | |
3078 | ||
3079 | /* | |
3080 | * Currently only crypto is supported in egress, when regular egress | |
3081 | * rules would be supported, always return VALID_SPEC_NA. | |
3082 | */ | |
3083 | if (!is_crypto) | |
78dd0c43 | 3084 | return VALID_SPEC_NA; |
802c2125 AY |
3085 | |
3086 | return is_crypto && is_ipsec && | |
d5634fee | 3087 | (!egress || (!is_drop && !(flow_act->flags & FLOW_ACT_HAS_TAG))) ? |
802c2125 AY |
3088 | VALID_SPEC_VALID : VALID_SPEC_INVALID; |
3089 | } | |
3090 | ||
3091 | static bool is_valid_spec(struct mlx5_core_dev *mdev, | |
3092 | const struct mlx5_flow_spec *spec, | |
3093 | const struct mlx5_flow_act *flow_act, | |
3094 | bool egress) | |
3095 | { | |
3096 | /* We curretly only support ipsec egress flow */ | |
3097 | return is_valid_esp_aes_gcm(mdev, spec, flow_act, egress) != VALID_SPEC_INVALID; | |
3098 | } | |
3099 | ||
19cc7524 AL |
3100 | static bool is_valid_ethertype(struct mlx5_core_dev *mdev, |
3101 | const struct ib_flow_attr *flow_attr, | |
0f750966 | 3102 | bool check_inner) |
038d2ef8 MG |
3103 | { |
3104 | union ib_flow_spec *ib_spec = (union ib_flow_spec *)(flow_attr + 1); | |
19cc7524 AL |
3105 | int match_ipv = check_inner ? |
3106 | MLX5_CAP_FLOWTABLE_NIC_RX(mdev, | |
3107 | ft_field_support.inner_ip_version) : | |
3108 | MLX5_CAP_FLOWTABLE_NIC_RX(mdev, | |
3109 | ft_field_support.outer_ip_version); | |
0f750966 AL |
3110 | int inner_bit = check_inner ? IB_FLOW_SPEC_INNER : 0; |
3111 | bool ipv4_spec_valid, ipv6_spec_valid; | |
3112 | unsigned int ip_spec_type = 0; | |
3113 | bool has_ethertype = false; | |
038d2ef8 | 3114 | unsigned int spec_index; |
0f750966 AL |
3115 | bool mask_valid = true; |
3116 | u16 eth_type = 0; | |
3117 | bool type_valid; | |
038d2ef8 MG |
3118 | |
3119 | /* Validate that ethertype is correct */ | |
3120 | for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { | |
0f750966 | 3121 | if ((ib_spec->type == (IB_FLOW_SPEC_ETH | inner_bit)) && |
038d2ef8 | 3122 | ib_spec->eth.mask.ether_type) { |
0f750966 AL |
3123 | mask_valid = (ib_spec->eth.mask.ether_type == |
3124 | htons(0xffff)); | |
3125 | has_ethertype = true; | |
3126 | eth_type = ntohs(ib_spec->eth.val.ether_type); | |
3127 | } else if ((ib_spec->type == (IB_FLOW_SPEC_IPV4 | inner_bit)) || | |
3128 | (ib_spec->type == (IB_FLOW_SPEC_IPV6 | inner_bit))) { | |
3129 | ip_spec_type = ib_spec->type; | |
038d2ef8 MG |
3130 | } |
3131 | ib_spec = (void *)ib_spec + ib_spec->size; | |
3132 | } | |
0f750966 AL |
3133 | |
3134 | type_valid = (!has_ethertype) || (!ip_spec_type); | |
3135 | if (!type_valid && mask_valid) { | |
3136 | ipv4_spec_valid = (eth_type == ETH_P_IP) && | |
3137 | (ip_spec_type == (IB_FLOW_SPEC_IPV4 | inner_bit)); | |
3138 | ipv6_spec_valid = (eth_type == ETH_P_IPV6) && | |
3139 | (ip_spec_type == (IB_FLOW_SPEC_IPV6 | inner_bit)); | |
19cc7524 AL |
3140 | |
3141 | type_valid = (ipv4_spec_valid) || (ipv6_spec_valid) || | |
3142 | (((eth_type == ETH_P_MPLS_UC) || | |
3143 | (eth_type == ETH_P_MPLS_MC)) && match_ipv); | |
0f750966 AL |
3144 | } |
3145 | ||
3146 | return type_valid; | |
3147 | } | |
3148 | ||
19cc7524 AL |
3149 | static bool is_valid_attr(struct mlx5_core_dev *mdev, |
3150 | const struct ib_flow_attr *flow_attr) | |
0f750966 | 3151 | { |
19cc7524 AL |
3152 | return is_valid_ethertype(mdev, flow_attr, false) && |
3153 | is_valid_ethertype(mdev, flow_attr, true); | |
038d2ef8 MG |
3154 | } |
3155 | ||
3156 | static void put_flow_table(struct mlx5_ib_dev *dev, | |
3157 | struct mlx5_ib_flow_prio *prio, bool ft_added) | |
3158 | { | |
3159 | prio->refcount -= !!ft_added; | |
3160 | if (!prio->refcount) { | |
3161 | mlx5_destroy_flow_table(prio->flow_table); | |
3162 | prio->flow_table = NULL; | |
3163 | } | |
3164 | } | |
3165 | ||
3b3233fb RS |
3166 | static void counters_clear_description(struct ib_counters *counters) |
3167 | { | |
3168 | struct mlx5_ib_mcounters *mcounters = to_mcounters(counters); | |
3169 | ||
3170 | mutex_lock(&mcounters->mcntrs_mutex); | |
3171 | kfree(mcounters->counters_data); | |
3172 | mcounters->counters_data = NULL; | |
3173 | mcounters->cntrs_max_index = 0; | |
3174 | mutex_unlock(&mcounters->mcntrs_mutex); | |
3175 | } | |
3176 | ||
038d2ef8 MG |
3177 | static int mlx5_ib_destroy_flow(struct ib_flow *flow_id) |
3178 | { | |
038d2ef8 MG |
3179 | struct mlx5_ib_flow_handler *handler = container_of(flow_id, |
3180 | struct mlx5_ib_flow_handler, | |
3181 | ibflow); | |
3182 | struct mlx5_ib_flow_handler *iter, *tmp; | |
d4be3f44 | 3183 | struct mlx5_ib_dev *dev = handler->dev; |
038d2ef8 | 3184 | |
9a4ca38d | 3185 | mutex_lock(&dev->flow_db->lock); |
038d2ef8 MG |
3186 | |
3187 | list_for_each_entry_safe(iter, tmp, &handler->list, list) { | |
74491de9 | 3188 | mlx5_del_flow_rules(iter->rule); |
cc0e5d42 | 3189 | put_flow_table(dev, iter->prio, true); |
038d2ef8 MG |
3190 | list_del(&iter->list); |
3191 | kfree(iter); | |
3192 | } | |
3193 | ||
74491de9 | 3194 | mlx5_del_flow_rules(handler->rule); |
5497adc6 | 3195 | put_flow_table(dev, handler->prio, true); |
3b3233fb RS |
3196 | if (handler->ibcounters && |
3197 | atomic_read(&handler->ibcounters->usecnt) == 1) | |
3198 | counters_clear_description(handler->ibcounters); | |
038d2ef8 | 3199 | |
3b3233fb | 3200 | mutex_unlock(&dev->flow_db->lock); |
d4be3f44 YH |
3201 | if (handler->flow_matcher) |
3202 | atomic_dec(&handler->flow_matcher->usecnt); | |
038d2ef8 MG |
3203 | kfree(handler); |
3204 | ||
3205 | return 0; | |
3206 | } | |
3207 | ||
35d19011 MG |
3208 | static int ib_prio_to_core_prio(unsigned int priority, bool dont_trap) |
3209 | { | |
3210 | priority *= 2; | |
3211 | if (!dont_trap) | |
3212 | priority++; | |
3213 | return priority; | |
3214 | } | |
3215 | ||
cc0e5d42 MG |
3216 | enum flow_table_type { |
3217 | MLX5_IB_FT_RX, | |
3218 | MLX5_IB_FT_TX | |
3219 | }; | |
3220 | ||
00b7c2ab MG |
3221 | #define MLX5_FS_MAX_TYPES 6 |
3222 | #define MLX5_FS_MAX_ENTRIES BIT(16) | |
d4be3f44 YH |
3223 | |
3224 | static struct mlx5_ib_flow_prio *_get_prio(struct mlx5_flow_namespace *ns, | |
3225 | struct mlx5_ib_flow_prio *prio, | |
3226 | int priority, | |
4adda112 MB |
3227 | int num_entries, int num_groups, |
3228 | u32 flags) | |
d4be3f44 YH |
3229 | { |
3230 | struct mlx5_flow_table *ft; | |
3231 | ||
3232 | ft = mlx5_create_auto_grouped_flow_table(ns, priority, | |
3233 | num_entries, | |
3234 | num_groups, | |
4adda112 | 3235 | 0, flags); |
d4be3f44 YH |
3236 | if (IS_ERR(ft)) |
3237 | return ERR_CAST(ft); | |
3238 | ||
3239 | prio->flow_table = ft; | |
3240 | prio->refcount = 0; | |
3241 | return prio; | |
3242 | } | |
3243 | ||
038d2ef8 | 3244 | static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev, |
cc0e5d42 MG |
3245 | struct ib_flow_attr *flow_attr, |
3246 | enum flow_table_type ft_type) | |
038d2ef8 | 3247 | { |
35d19011 | 3248 | bool dont_trap = flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP; |
038d2ef8 MG |
3249 | struct mlx5_flow_namespace *ns = NULL; |
3250 | struct mlx5_ib_flow_prio *prio; | |
3251 | struct mlx5_flow_table *ft; | |
dac388ef | 3252 | int max_table_size; |
038d2ef8 MG |
3253 | int num_entries; |
3254 | int num_groups; | |
4adda112 | 3255 | u32 flags = 0; |
038d2ef8 | 3256 | int priority; |
038d2ef8 | 3257 | |
dac388ef MG |
3258 | max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, |
3259 | log_max_ft_size)); | |
038d2ef8 | 3260 | if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { |
78dd0c43 MB |
3261 | enum mlx5_flow_namespace_type fn_type; |
3262 | ||
3263 | if (flow_is_multicast_only(flow_attr) && | |
3264 | !dont_trap) | |
038d2ef8 MG |
3265 | priority = MLX5_IB_FLOW_MCAST_PRIO; |
3266 | else | |
35d19011 MG |
3267 | priority = ib_prio_to_core_prio(flow_attr->priority, |
3268 | dont_trap); | |
78dd0c43 MB |
3269 | if (ft_type == MLX5_IB_FT_RX) { |
3270 | fn_type = MLX5_FLOW_NAMESPACE_BYPASS; | |
3271 | prio = &dev->flow_db->prios[priority]; | |
6a4d00be | 3272 | if (!dev->is_rep && |
4adda112 MB |
3273 | MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, decap)) |
3274 | flags |= MLX5_FLOW_TABLE_TUNNEL_EN_DECAP; | |
6a4d00be | 3275 | if (!dev->is_rep && |
5c2db53f MB |
3276 | MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, |
3277 | reformat_l3_tunnel_to_l2)) | |
3278 | flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT; | |
78dd0c43 MB |
3279 | } else { |
3280 | max_table_size = | |
3281 | BIT(MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, | |
3282 | log_max_ft_size)); | |
3283 | fn_type = MLX5_FLOW_NAMESPACE_EGRESS; | |
3284 | prio = &dev->flow_db->egress_prios[priority]; | |
6a4d00be | 3285 | if (!dev->is_rep && |
4adda112 MB |
3286 | MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, reformat)) |
3287 | flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT; | |
78dd0c43 MB |
3288 | } |
3289 | ns = mlx5_get_flow_namespace(dev->mdev, fn_type); | |
038d2ef8 MG |
3290 | num_entries = MLX5_FS_MAX_ENTRIES; |
3291 | num_groups = MLX5_FS_MAX_TYPES; | |
038d2ef8 MG |
3292 | } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || |
3293 | flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { | |
3294 | ns = mlx5_get_flow_namespace(dev->mdev, | |
3295 | MLX5_FLOW_NAMESPACE_LEFTOVERS); | |
3296 | build_leftovers_ft_param(&priority, | |
3297 | &num_entries, | |
3298 | &num_groups); | |
9a4ca38d | 3299 | prio = &dev->flow_db->prios[MLX5_IB_FLOW_LEFTOVERS_PRIO]; |
cc0e5d42 MG |
3300 | } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { |
3301 | if (!MLX5_CAP_FLOWTABLE(dev->mdev, | |
3302 | allow_sniffer_and_nic_rx_shared_tir)) | |
3303 | return ERR_PTR(-ENOTSUPP); | |
3304 | ||
3305 | ns = mlx5_get_flow_namespace(dev->mdev, ft_type == MLX5_IB_FT_RX ? | |
3306 | MLX5_FLOW_NAMESPACE_SNIFFER_RX : | |
3307 | MLX5_FLOW_NAMESPACE_SNIFFER_TX); | |
3308 | ||
9a4ca38d | 3309 | prio = &dev->flow_db->sniffer[ft_type]; |
cc0e5d42 MG |
3310 | priority = 0; |
3311 | num_entries = 1; | |
3312 | num_groups = 1; | |
038d2ef8 MG |
3313 | } |
3314 | ||
3315 | if (!ns) | |
3316 | return ERR_PTR(-ENOTSUPP); | |
3317 | ||
3b70508a | 3318 | max_table_size = min_t(int, num_entries, max_table_size); |
dac388ef | 3319 | |
038d2ef8 | 3320 | ft = prio->flow_table; |
d4be3f44 | 3321 | if (!ft) |
3b70508a | 3322 | return _get_prio(ns, prio, priority, max_table_size, num_groups, |
4adda112 | 3323 | flags); |
038d2ef8 | 3324 | |
d4be3f44 | 3325 | return prio; |
038d2ef8 MG |
3326 | } |
3327 | ||
a550ddfc YH |
3328 | static void set_underlay_qp(struct mlx5_ib_dev *dev, |
3329 | struct mlx5_flow_spec *spec, | |
3330 | u32 underlay_qpn) | |
3331 | { | |
3332 | void *misc_params_c = MLX5_ADDR_OF(fte_match_param, | |
3333 | spec->match_criteria, | |
3334 | misc_parameters); | |
3335 | void *misc_params_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, | |
3336 | misc_parameters); | |
3337 | ||
3338 | if (underlay_qpn && | |
3339 | MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, | |
3340 | ft_field_support.bth_dst_qp)) { | |
3341 | MLX5_SET(fte_match_set_misc, | |
3342 | misc_params_v, bth_dst_qp, underlay_qpn); | |
3343 | MLX5_SET(fte_match_set_misc, | |
3344 | misc_params_c, bth_dst_qp, 0xffffff); | |
3345 | } | |
3346 | } | |
3347 | ||
5e95af5f RS |
3348 | static int read_flow_counters(struct ib_device *ibdev, |
3349 | struct mlx5_read_counters_attr *read_attr) | |
3350 | { | |
3351 | struct mlx5_fc *fc = read_attr->hw_cntrs_hndl; | |
3352 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
3353 | ||
3354 | return mlx5_fc_query(dev->mdev, fc, | |
3355 | &read_attr->out[IB_COUNTER_PACKETS], | |
3356 | &read_attr->out[IB_COUNTER_BYTES]); | |
3357 | } | |
3358 | ||
3359 | /* flow counters currently expose two counters packets and bytes */ | |
3360 | #define FLOW_COUNTERS_NUM 2 | |
3b3233fb RS |
3361 | static int counters_set_description(struct ib_counters *counters, |
3362 | enum mlx5_ib_counters_type counters_type, | |
3363 | struct mlx5_ib_flow_counters_desc *desc_data, | |
3364 | u32 ncounters) | |
3365 | { | |
3366 | struct mlx5_ib_mcounters *mcounters = to_mcounters(counters); | |
3367 | u32 cntrs_max_index = 0; | |
3368 | int i; | |
3369 | ||
3370 | if (counters_type != MLX5_IB_COUNTERS_FLOW) | |
3371 | return -EINVAL; | |
3372 | ||
3373 | /* init the fields for the object */ | |
3374 | mcounters->type = counters_type; | |
5e95af5f RS |
3375 | mcounters->read_counters = read_flow_counters; |
3376 | mcounters->counters_num = FLOW_COUNTERS_NUM; | |
3b3233fb RS |
3377 | mcounters->ncounters = ncounters; |
3378 | /* each counter entry have both description and index pair */ | |
3379 | for (i = 0; i < ncounters; i++) { | |
3380 | if (desc_data[i].description > IB_COUNTER_BYTES) | |
3381 | return -EINVAL; | |
3382 | ||
3383 | if (cntrs_max_index <= desc_data[i].index) | |
3384 | cntrs_max_index = desc_data[i].index + 1; | |
3385 | } | |
3386 | ||
3387 | mutex_lock(&mcounters->mcntrs_mutex); | |
3388 | mcounters->counters_data = desc_data; | |
3389 | mcounters->cntrs_max_index = cntrs_max_index; | |
3390 | mutex_unlock(&mcounters->mcntrs_mutex); | |
3391 | ||
3392 | return 0; | |
3393 | } | |
3394 | ||
3395 | #define MAX_COUNTERS_NUM (USHRT_MAX / (sizeof(u32) * 2)) | |
3396 | static int flow_counters_set_data(struct ib_counters *ibcounters, | |
3397 | struct mlx5_ib_create_flow *ucmd) | |
3398 | { | |
3399 | struct mlx5_ib_mcounters *mcounters = to_mcounters(ibcounters); | |
3400 | struct mlx5_ib_flow_counters_data *cntrs_data = NULL; | |
3401 | struct mlx5_ib_flow_counters_desc *desc_data = NULL; | |
3402 | bool hw_hndl = false; | |
3403 | int ret = 0; | |
3404 | ||
3405 | if (ucmd && ucmd->ncounters_data != 0) { | |
3406 | cntrs_data = ucmd->data; | |
3407 | if (cntrs_data->ncounters > MAX_COUNTERS_NUM) | |
3408 | return -EINVAL; | |
3409 | ||
3410 | desc_data = kcalloc(cntrs_data->ncounters, | |
3411 | sizeof(*desc_data), | |
3412 | GFP_KERNEL); | |
3413 | if (!desc_data) | |
3414 | return -ENOMEM; | |
3415 | ||
3416 | if (copy_from_user(desc_data, | |
3417 | u64_to_user_ptr(cntrs_data->counters_data), | |
3418 | sizeof(*desc_data) * cntrs_data->ncounters)) { | |
3419 | ret = -EFAULT; | |
3420 | goto free; | |
3421 | } | |
3422 | } | |
3423 | ||
3424 | if (!mcounters->hw_cntrs_hndl) { | |
3425 | mcounters->hw_cntrs_hndl = mlx5_fc_create( | |
3426 | to_mdev(ibcounters->device)->mdev, false); | |
e31abf76 | 3427 | if (IS_ERR(mcounters->hw_cntrs_hndl)) { |
3428 | ret = PTR_ERR(mcounters->hw_cntrs_hndl); | |
3b3233fb RS |
3429 | goto free; |
3430 | } | |
3431 | hw_hndl = true; | |
3432 | } | |
3433 | ||
3434 | if (desc_data) { | |
3435 | /* counters already bound to at least one flow */ | |
3436 | if (mcounters->cntrs_max_index) { | |
3437 | ret = -EINVAL; | |
3438 | goto free_hndl; | |
3439 | } | |
3440 | ||
3441 | ret = counters_set_description(ibcounters, | |
3442 | MLX5_IB_COUNTERS_FLOW, | |
3443 | desc_data, | |
3444 | cntrs_data->ncounters); | |
3445 | if (ret) | |
3446 | goto free_hndl; | |
3447 | ||
3448 | } else if (!mcounters->cntrs_max_index) { | |
3449 | /* counters not bound yet, must have udata passed */ | |
3450 | ret = -EINVAL; | |
3451 | goto free_hndl; | |
3452 | } | |
3453 | ||
3454 | return 0; | |
3455 | ||
3456 | free_hndl: | |
3457 | if (hw_hndl) { | |
3458 | mlx5_fc_destroy(to_mdev(ibcounters->device)->mdev, | |
3459 | mcounters->hw_cntrs_hndl); | |
3460 | mcounters->hw_cntrs_hndl = NULL; | |
3461 | } | |
3462 | free: | |
3463 | kfree(desc_data); | |
3464 | return ret; | |
3465 | } | |
3466 | ||
a550ddfc YH |
3467 | static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev, |
3468 | struct mlx5_ib_flow_prio *ft_prio, | |
3469 | const struct ib_flow_attr *flow_attr, | |
3470 | struct mlx5_flow_destination *dst, | |
3b3233fb RS |
3471 | u32 underlay_qpn, |
3472 | struct mlx5_ib_create_flow *ucmd) | |
038d2ef8 MG |
3473 | { |
3474 | struct mlx5_flow_table *ft = ft_prio->flow_table; | |
3475 | struct mlx5_ib_flow_handler *handler; | |
075572d4 | 3476 | struct mlx5_flow_act flow_act = {.flow_tag = MLX5_FS_DEFAULT_FLOW_TAG}; |
c5bb1730 | 3477 | struct mlx5_flow_spec *spec; |
3b3233fb RS |
3478 | struct mlx5_flow_destination dest_arr[2] = {}; |
3479 | struct mlx5_flow_destination *rule_dst = dest_arr; | |
dd063d0e | 3480 | const void *ib_flow = (const void *)flow_attr + sizeof(*flow_attr); |
038d2ef8 | 3481 | unsigned int spec_index; |
71c6e863 | 3482 | u32 prev_type = 0; |
038d2ef8 | 3483 | int err = 0; |
3b3233fb | 3484 | int dest_num = 0; |
802c2125 | 3485 | bool is_egress = flow_attr->flags & IB_FLOW_ATTR_FLAGS_EGRESS; |
038d2ef8 | 3486 | |
19cc7524 | 3487 | if (!is_valid_attr(dev->mdev, flow_attr)) |
038d2ef8 MG |
3488 | return ERR_PTR(-EINVAL); |
3489 | ||
6a4d00be | 3490 | if (dev->is_rep && is_egress) |
78dd0c43 MB |
3491 | return ERR_PTR(-EINVAL); |
3492 | ||
1b9a07ee | 3493 | spec = kvzalloc(sizeof(*spec), GFP_KERNEL); |
038d2ef8 | 3494 | handler = kzalloc(sizeof(*handler), GFP_KERNEL); |
c5bb1730 | 3495 | if (!handler || !spec) { |
038d2ef8 MG |
3496 | err = -ENOMEM; |
3497 | goto free; | |
3498 | } | |
3499 | ||
3500 | INIT_LIST_HEAD(&handler->list); | |
3b3233fb RS |
3501 | if (dst) { |
3502 | memcpy(&dest_arr[0], dst, sizeof(*dst)); | |
3503 | dest_num++; | |
3504 | } | |
038d2ef8 MG |
3505 | |
3506 | for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { | |
19cc7524 | 3507 | err = parse_flow_attr(dev->mdev, spec->match_criteria, |
a22ed86c | 3508 | spec->match_value, |
71c6e863 AL |
3509 | ib_flow, flow_attr, &flow_act, |
3510 | prev_type); | |
038d2ef8 MG |
3511 | if (err < 0) |
3512 | goto free; | |
3513 | ||
71c6e863 | 3514 | prev_type = ((union ib_flow_spec *)ib_flow)->type; |
038d2ef8 MG |
3515 | ib_flow += ((union ib_flow_spec *)ib_flow)->size; |
3516 | } | |
3517 | ||
a550ddfc YH |
3518 | if (!flow_is_multicast_only(flow_attr)) |
3519 | set_underlay_qp(dev, spec, underlay_qpn); | |
3520 | ||
6a4d00be | 3521 | if (dev->is_rep) { |
018a94ee MB |
3522 | void *misc; |
3523 | ||
6a4d00be MB |
3524 | if (!dev->port[flow_attr->port - 1].rep) { |
3525 | err = -EINVAL; | |
3526 | goto free; | |
3527 | } | |
018a94ee MB |
3528 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, |
3529 | misc_parameters); | |
3530 | MLX5_SET(fte_match_set_misc, misc, source_port, | |
6a4d00be | 3531 | dev->port[flow_attr->port - 1].rep->vport); |
018a94ee MB |
3532 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, |
3533 | misc_parameters); | |
3534 | MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port); | |
3535 | } | |
3536 | ||
466fa6d2 | 3537 | spec->match_criteria_enable = get_match_criteria_enable(spec->match_criteria); |
802c2125 AY |
3538 | |
3539 | if (is_egress && | |
3540 | !is_valid_spec(dev->mdev, spec, &flow_act, is_egress)) { | |
3541 | err = -EINVAL; | |
3542 | goto free; | |
3543 | } | |
3544 | ||
3b3233fb | 3545 | if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { |
171c7625 MB |
3546 | struct mlx5_ib_mcounters *mcounters; |
3547 | ||
3b3233fb RS |
3548 | err = flow_counters_set_data(flow_act.counters, ucmd); |
3549 | if (err) | |
3550 | goto free; | |
3551 | ||
171c7625 | 3552 | mcounters = to_mcounters(flow_act.counters); |
3b3233fb RS |
3553 | handler->ibcounters = flow_act.counters; |
3554 | dest_arr[dest_num].type = | |
3555 | MLX5_FLOW_DESTINATION_TYPE_COUNTER; | |
171c7625 MB |
3556 | dest_arr[dest_num].counter_id = |
3557 | mlx5_fc_id(mcounters->hw_cntrs_hndl); | |
3b3233fb RS |
3558 | dest_num++; |
3559 | } | |
3560 | ||
075572d4 | 3561 | if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DROP) { |
3b3233fb RS |
3562 | if (!(flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT)) { |
3563 | rule_dst = NULL; | |
3564 | dest_num = 0; | |
3565 | } | |
a22ed86c | 3566 | } else { |
802c2125 AY |
3567 | if (is_egress) |
3568 | flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_ALLOW; | |
3569 | else | |
3570 | flow_act.action |= | |
3b3233fb | 3571 | dest_num ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST : |
802c2125 | 3572 | MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO; |
a22ed86c | 3573 | } |
2ac693f9 | 3574 | |
d5634fee | 3575 | if ((flow_act.flags & FLOW_ACT_HAS_TAG) && |
2ac693f9 MR |
3576 | (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || |
3577 | flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT)) { | |
3578 | mlx5_ib_warn(dev, "Flow tag %u and attribute type %x isn't allowed in leftovers\n", | |
075572d4 | 3579 | flow_act.flow_tag, flow_attr->type); |
2ac693f9 MR |
3580 | err = -EINVAL; |
3581 | goto free; | |
3582 | } | |
74491de9 | 3583 | handler->rule = mlx5_add_flow_rules(ft, spec, |
66958ed9 | 3584 | &flow_act, |
a22ed86c | 3585 | rule_dst, dest_num); |
038d2ef8 MG |
3586 | |
3587 | if (IS_ERR(handler->rule)) { | |
3588 | err = PTR_ERR(handler->rule); | |
3589 | goto free; | |
3590 | } | |
3591 | ||
d9d4980a | 3592 | ft_prio->refcount++; |
5497adc6 | 3593 | handler->prio = ft_prio; |
d4be3f44 | 3594 | handler->dev = dev; |
038d2ef8 MG |
3595 | |
3596 | ft_prio->flow_table = ft; | |
3597 | free: | |
3b3233fb RS |
3598 | if (err && handler) { |
3599 | if (handler->ibcounters && | |
3600 | atomic_read(&handler->ibcounters->usecnt) == 1) | |
3601 | counters_clear_description(handler->ibcounters); | |
038d2ef8 | 3602 | kfree(handler); |
3b3233fb | 3603 | } |
c5bb1730 | 3604 | kvfree(spec); |
038d2ef8 MG |
3605 | return err ? ERR_PTR(err) : handler; |
3606 | } | |
3607 | ||
a550ddfc YH |
3608 | static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev, |
3609 | struct mlx5_ib_flow_prio *ft_prio, | |
3610 | const struct ib_flow_attr *flow_attr, | |
3611 | struct mlx5_flow_destination *dst) | |
3612 | { | |
3b3233fb | 3613 | return _create_flow_rule(dev, ft_prio, flow_attr, dst, 0, NULL); |
a550ddfc YH |
3614 | } |
3615 | ||
35d19011 MG |
3616 | static struct mlx5_ib_flow_handler *create_dont_trap_rule(struct mlx5_ib_dev *dev, |
3617 | struct mlx5_ib_flow_prio *ft_prio, | |
3618 | struct ib_flow_attr *flow_attr, | |
3619 | struct mlx5_flow_destination *dst) | |
3620 | { | |
3621 | struct mlx5_ib_flow_handler *handler_dst = NULL; | |
3622 | struct mlx5_ib_flow_handler *handler = NULL; | |
3623 | ||
3624 | handler = create_flow_rule(dev, ft_prio, flow_attr, NULL); | |
3625 | if (!IS_ERR(handler)) { | |
3626 | handler_dst = create_flow_rule(dev, ft_prio, | |
3627 | flow_attr, dst); | |
3628 | if (IS_ERR(handler_dst)) { | |
74491de9 | 3629 | mlx5_del_flow_rules(handler->rule); |
d9d4980a | 3630 | ft_prio->refcount--; |
35d19011 MG |
3631 | kfree(handler); |
3632 | handler = handler_dst; | |
3633 | } else { | |
3634 | list_add(&handler_dst->list, &handler->list); | |
3635 | } | |
3636 | } | |
3637 | ||
3638 | return handler; | |
3639 | } | |
038d2ef8 MG |
3640 | enum { |
3641 | LEFTOVERS_MC, | |
3642 | LEFTOVERS_UC, | |
3643 | }; | |
3644 | ||
3645 | static struct mlx5_ib_flow_handler *create_leftovers_rule(struct mlx5_ib_dev *dev, | |
3646 | struct mlx5_ib_flow_prio *ft_prio, | |
3647 | struct ib_flow_attr *flow_attr, | |
3648 | struct mlx5_flow_destination *dst) | |
3649 | { | |
3650 | struct mlx5_ib_flow_handler *handler_ucast = NULL; | |
3651 | struct mlx5_ib_flow_handler *handler = NULL; | |
3652 | ||
3653 | static struct { | |
3654 | struct ib_flow_attr flow_attr; | |
3655 | struct ib_flow_spec_eth eth_flow; | |
3656 | } leftovers_specs[] = { | |
3657 | [LEFTOVERS_MC] = { | |
3658 | .flow_attr = { | |
3659 | .num_of_specs = 1, | |
3660 | .size = sizeof(leftovers_specs[0]) | |
3661 | }, | |
3662 | .eth_flow = { | |
3663 | .type = IB_FLOW_SPEC_ETH, | |
3664 | .size = sizeof(struct ib_flow_spec_eth), | |
3665 | .mask = {.dst_mac = {0x1} }, | |
3666 | .val = {.dst_mac = {0x1} } | |
3667 | } | |
3668 | }, | |
3669 | [LEFTOVERS_UC] = { | |
3670 | .flow_attr = { | |
3671 | .num_of_specs = 1, | |
3672 | .size = sizeof(leftovers_specs[0]) | |
3673 | }, | |
3674 | .eth_flow = { | |
3675 | .type = IB_FLOW_SPEC_ETH, | |
3676 | .size = sizeof(struct ib_flow_spec_eth), | |
3677 | .mask = {.dst_mac = {0x1} }, | |
3678 | .val = {.dst_mac = {} } | |
3679 | } | |
3680 | } | |
3681 | }; | |
3682 | ||
3683 | handler = create_flow_rule(dev, ft_prio, | |
3684 | &leftovers_specs[LEFTOVERS_MC].flow_attr, | |
3685 | dst); | |
3686 | if (!IS_ERR(handler) && | |
3687 | flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT) { | |
3688 | handler_ucast = create_flow_rule(dev, ft_prio, | |
3689 | &leftovers_specs[LEFTOVERS_UC].flow_attr, | |
3690 | dst); | |
3691 | if (IS_ERR(handler_ucast)) { | |
74491de9 | 3692 | mlx5_del_flow_rules(handler->rule); |
d9d4980a | 3693 | ft_prio->refcount--; |
038d2ef8 MG |
3694 | kfree(handler); |
3695 | handler = handler_ucast; | |
3696 | } else { | |
3697 | list_add(&handler_ucast->list, &handler->list); | |
3698 | } | |
3699 | } | |
3700 | ||
3701 | return handler; | |
3702 | } | |
3703 | ||
cc0e5d42 MG |
3704 | static struct mlx5_ib_flow_handler *create_sniffer_rule(struct mlx5_ib_dev *dev, |
3705 | struct mlx5_ib_flow_prio *ft_rx, | |
3706 | struct mlx5_ib_flow_prio *ft_tx, | |
3707 | struct mlx5_flow_destination *dst) | |
3708 | { | |
3709 | struct mlx5_ib_flow_handler *handler_rx; | |
3710 | struct mlx5_ib_flow_handler *handler_tx; | |
3711 | int err; | |
3712 | static const struct ib_flow_attr flow_attr = { | |
3713 | .num_of_specs = 0, | |
3714 | .size = sizeof(flow_attr) | |
3715 | }; | |
3716 | ||
3717 | handler_rx = create_flow_rule(dev, ft_rx, &flow_attr, dst); | |
3718 | if (IS_ERR(handler_rx)) { | |
3719 | err = PTR_ERR(handler_rx); | |
3720 | goto err; | |
3721 | } | |
3722 | ||
3723 | handler_tx = create_flow_rule(dev, ft_tx, &flow_attr, dst); | |
3724 | if (IS_ERR(handler_tx)) { | |
3725 | err = PTR_ERR(handler_tx); | |
3726 | goto err_tx; | |
3727 | } | |
3728 | ||
3729 | list_add(&handler_tx->list, &handler_rx->list); | |
3730 | ||
3731 | return handler_rx; | |
3732 | ||
3733 | err_tx: | |
74491de9 | 3734 | mlx5_del_flow_rules(handler_rx->rule); |
cc0e5d42 MG |
3735 | ft_rx->refcount--; |
3736 | kfree(handler_rx); | |
3737 | err: | |
3738 | return ERR_PTR(err); | |
3739 | } | |
3740 | ||
038d2ef8 MG |
3741 | static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, |
3742 | struct ib_flow_attr *flow_attr, | |
59082a32 MB |
3743 | int domain, |
3744 | struct ib_udata *udata) | |
038d2ef8 MG |
3745 | { |
3746 | struct mlx5_ib_dev *dev = to_mdev(qp->device); | |
d9f88e5a | 3747 | struct mlx5_ib_qp *mqp = to_mqp(qp); |
038d2ef8 MG |
3748 | struct mlx5_ib_flow_handler *handler = NULL; |
3749 | struct mlx5_flow_destination *dst = NULL; | |
cc0e5d42 | 3750 | struct mlx5_ib_flow_prio *ft_prio_tx = NULL; |
038d2ef8 | 3751 | struct mlx5_ib_flow_prio *ft_prio; |
802c2125 | 3752 | bool is_egress = flow_attr->flags & IB_FLOW_ATTR_FLAGS_EGRESS; |
3b3233fb RS |
3753 | struct mlx5_ib_create_flow *ucmd = NULL, ucmd_hdr; |
3754 | size_t min_ucmd_sz, required_ucmd_sz; | |
038d2ef8 | 3755 | int err; |
a550ddfc | 3756 | int underlay_qpn; |
038d2ef8 | 3757 | |
3b3233fb RS |
3758 | if (udata && udata->inlen) { |
3759 | min_ucmd_sz = offsetof(typeof(ucmd_hdr), reserved) + | |
3760 | sizeof(ucmd_hdr.reserved); | |
3761 | if (udata->inlen < min_ucmd_sz) | |
3762 | return ERR_PTR(-EOPNOTSUPP); | |
3763 | ||
3764 | err = ib_copy_from_udata(&ucmd_hdr, udata, min_ucmd_sz); | |
3765 | if (err) | |
3766 | return ERR_PTR(err); | |
3767 | ||
3768 | /* currently supports only one counters data */ | |
3769 | if (ucmd_hdr.ncounters_data > 1) | |
3770 | return ERR_PTR(-EINVAL); | |
3771 | ||
3772 | required_ucmd_sz = min_ucmd_sz + | |
3773 | sizeof(struct mlx5_ib_flow_counters_data) * | |
3774 | ucmd_hdr.ncounters_data; | |
3775 | if (udata->inlen > required_ucmd_sz && | |
3776 | !ib_is_udata_cleared(udata, required_ucmd_sz, | |
3777 | udata->inlen - required_ucmd_sz)) | |
3778 | return ERR_PTR(-EOPNOTSUPP); | |
3779 | ||
3780 | ucmd = kzalloc(required_ucmd_sz, GFP_KERNEL); | |
3781 | if (!ucmd) | |
3782 | return ERR_PTR(-ENOMEM); | |
3783 | ||
3784 | err = ib_copy_from_udata(ucmd, udata, required_ucmd_sz); | |
299eafee GS |
3785 | if (err) |
3786 | goto free_ucmd; | |
3b3233fb | 3787 | } |
59082a32 | 3788 | |
299eafee GS |
3789 | if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO) { |
3790 | err = -ENOMEM; | |
3791 | goto free_ucmd; | |
3792 | } | |
038d2ef8 MG |
3793 | |
3794 | if (domain != IB_FLOW_DOMAIN_USER || | |
508562d6 | 3795 | flow_attr->port > dev->num_ports || |
802c2125 | 3796 | (flow_attr->flags & ~(IB_FLOW_ATTR_FLAGS_DONT_TRAP | |
299eafee GS |
3797 | IB_FLOW_ATTR_FLAGS_EGRESS))) { |
3798 | err = -EINVAL; | |
3799 | goto free_ucmd; | |
3800 | } | |
802c2125 AY |
3801 | |
3802 | if (is_egress && | |
3803 | (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || | |
299eafee GS |
3804 | flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT)) { |
3805 | err = -EINVAL; | |
3806 | goto free_ucmd; | |
3807 | } | |
038d2ef8 MG |
3808 | |
3809 | dst = kzalloc(sizeof(*dst), GFP_KERNEL); | |
299eafee GS |
3810 | if (!dst) { |
3811 | err = -ENOMEM; | |
3812 | goto free_ucmd; | |
3813 | } | |
038d2ef8 | 3814 | |
9a4ca38d | 3815 | mutex_lock(&dev->flow_db->lock); |
038d2ef8 | 3816 | |
802c2125 AY |
3817 | ft_prio = get_flow_table(dev, flow_attr, |
3818 | is_egress ? MLX5_IB_FT_TX : MLX5_IB_FT_RX); | |
038d2ef8 MG |
3819 | if (IS_ERR(ft_prio)) { |
3820 | err = PTR_ERR(ft_prio); | |
3821 | goto unlock; | |
3822 | } | |
cc0e5d42 MG |
3823 | if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { |
3824 | ft_prio_tx = get_flow_table(dev, flow_attr, MLX5_IB_FT_TX); | |
3825 | if (IS_ERR(ft_prio_tx)) { | |
3826 | err = PTR_ERR(ft_prio_tx); | |
3827 | ft_prio_tx = NULL; | |
3828 | goto destroy_ft; | |
3829 | } | |
3830 | } | |
038d2ef8 | 3831 | |
802c2125 AY |
3832 | if (is_egress) { |
3833 | dst->type = MLX5_FLOW_DESTINATION_TYPE_PORT; | |
3834 | } else { | |
3835 | dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR; | |
3836 | if (mqp->flags & MLX5_IB_QP_RSS) | |
3837 | dst->tir_num = mqp->rss_qp.tirn; | |
3838 | else | |
3839 | dst->tir_num = mqp->raw_packet_qp.rq.tirn; | |
3840 | } | |
038d2ef8 MG |
3841 | |
3842 | if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { | |
35d19011 MG |
3843 | if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) { |
3844 | handler = create_dont_trap_rule(dev, ft_prio, | |
3845 | flow_attr, dst); | |
3846 | } else { | |
a550ddfc YH |
3847 | underlay_qpn = (mqp->flags & MLX5_IB_QP_UNDERLAY) ? |
3848 | mqp->underlay_qpn : 0; | |
3849 | handler = _create_flow_rule(dev, ft_prio, flow_attr, | |
3b3233fb | 3850 | dst, underlay_qpn, ucmd); |
35d19011 | 3851 | } |
038d2ef8 MG |
3852 | } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || |
3853 | flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { | |
3854 | handler = create_leftovers_rule(dev, ft_prio, flow_attr, | |
3855 | dst); | |
cc0e5d42 MG |
3856 | } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { |
3857 | handler = create_sniffer_rule(dev, ft_prio, ft_prio_tx, dst); | |
038d2ef8 MG |
3858 | } else { |
3859 | err = -EINVAL; | |
3860 | goto destroy_ft; | |
3861 | } | |
3862 | ||
3863 | if (IS_ERR(handler)) { | |
3864 | err = PTR_ERR(handler); | |
3865 | handler = NULL; | |
3866 | goto destroy_ft; | |
3867 | } | |
3868 | ||
9a4ca38d | 3869 | mutex_unlock(&dev->flow_db->lock); |
038d2ef8 | 3870 | kfree(dst); |
3b3233fb | 3871 | kfree(ucmd); |
038d2ef8 MG |
3872 | |
3873 | return &handler->ibflow; | |
3874 | ||
3875 | destroy_ft: | |
3876 | put_flow_table(dev, ft_prio, false); | |
cc0e5d42 MG |
3877 | if (ft_prio_tx) |
3878 | put_flow_table(dev, ft_prio_tx, false); | |
038d2ef8 | 3879 | unlock: |
9a4ca38d | 3880 | mutex_unlock(&dev->flow_db->lock); |
038d2ef8 | 3881 | kfree(dst); |
299eafee | 3882 | free_ucmd: |
3b3233fb | 3883 | kfree(ucmd); |
038d2ef8 MG |
3884 | return ERR_PTR(err); |
3885 | } | |
3886 | ||
b47fd4ff MB |
3887 | static struct mlx5_ib_flow_prio * |
3888 | _get_flow_table(struct mlx5_ib_dev *dev, | |
3889 | struct mlx5_ib_flow_matcher *fs_matcher, | |
3890 | bool mcast) | |
d4be3f44 | 3891 | { |
d4be3f44 | 3892 | struct mlx5_flow_namespace *ns = NULL; |
13a43765 MB |
3893 | struct mlx5_ib_flow_prio *prio = NULL; |
3894 | int max_table_size = 0; | |
b47fd4ff MB |
3895 | u32 flags = 0; |
3896 | int priority; | |
3897 | ||
13a43765 MB |
3898 | if (mcast) |
3899 | priority = MLX5_IB_FLOW_MCAST_PRIO; | |
3900 | else | |
3901 | priority = ib_prio_to_core_prio(fs_matcher->priority, false); | |
3902 | ||
b47fd4ff MB |
3903 | if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_BYPASS) { |
3904 | max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, | |
3905 | log_max_ft_size)); | |
3906 | if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, decap)) | |
3907 | flags |= MLX5_FLOW_TABLE_TUNNEL_EN_DECAP; | |
3908 | if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, | |
3909 | reformat_l3_tunnel_to_l2)) | |
3910 | flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT; | |
13a43765 MB |
3911 | } else if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_EGRESS) { |
3912 | max_table_size = BIT( | |
3913 | MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, log_max_ft_size)); | |
b47fd4ff MB |
3914 | if (MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, reformat)) |
3915 | flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT; | |
13a43765 MB |
3916 | } else if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_FDB) { |
3917 | max_table_size = BIT( | |
3918 | MLX5_CAP_ESW_FLOWTABLE_FDB(dev->mdev, log_max_ft_size)); | |
3919 | priority = FDB_BYPASS_PATH; | |
b47fd4ff | 3920 | } |
d4be3f44 | 3921 | |
3b70508a | 3922 | max_table_size = min_t(int, max_table_size, MLX5_FS_MAX_ENTRIES); |
d4be3f44 | 3923 | |
b47fd4ff | 3924 | ns = mlx5_get_flow_namespace(dev->mdev, fs_matcher->ns_type); |
d4be3f44 YH |
3925 | if (!ns) |
3926 | return ERR_PTR(-ENOTSUPP); | |
3927 | ||
b47fd4ff MB |
3928 | if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_BYPASS) |
3929 | prio = &dev->flow_db->prios[priority]; | |
13a43765 | 3930 | else if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_EGRESS) |
b47fd4ff | 3931 | prio = &dev->flow_db->egress_prios[priority]; |
13a43765 MB |
3932 | else if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_FDB) |
3933 | prio = &dev->flow_db->fdb; | |
3934 | ||
3935 | if (!prio) | |
3936 | return ERR_PTR(-EINVAL); | |
d4be3f44 YH |
3937 | |
3938 | if (prio->flow_table) | |
3939 | return prio; | |
3940 | ||
3b70508a | 3941 | return _get_prio(ns, prio, priority, max_table_size, |
b47fd4ff | 3942 | MLX5_FS_MAX_TYPES, flags); |
d4be3f44 YH |
3943 | } |
3944 | ||
3945 | static struct mlx5_ib_flow_handler * | |
3946 | _create_raw_flow_rule(struct mlx5_ib_dev *dev, | |
3947 | struct mlx5_ib_flow_prio *ft_prio, | |
3948 | struct mlx5_flow_destination *dst, | |
3949 | struct mlx5_ib_flow_matcher *fs_matcher, | |
b823dd6d | 3950 | struct mlx5_flow_act *flow_act, |
bfc5d839 MB |
3951 | void *cmd_in, int inlen, |
3952 | int dst_num) | |
d4be3f44 YH |
3953 | { |
3954 | struct mlx5_ib_flow_handler *handler; | |
d4be3f44 YH |
3955 | struct mlx5_flow_spec *spec; |
3956 | struct mlx5_flow_table *ft = ft_prio->flow_table; | |
3957 | int err = 0; | |
3958 | ||
3959 | spec = kvzalloc(sizeof(*spec), GFP_KERNEL); | |
3960 | handler = kzalloc(sizeof(*handler), GFP_KERNEL); | |
3961 | if (!handler || !spec) { | |
3962 | err = -ENOMEM; | |
3963 | goto free; | |
3964 | } | |
3965 | ||
3966 | INIT_LIST_HEAD(&handler->list); | |
3967 | ||
3968 | memcpy(spec->match_value, cmd_in, inlen); | |
3969 | memcpy(spec->match_criteria, fs_matcher->matcher_mask.match_params, | |
3970 | fs_matcher->mask_len); | |
3971 | spec->match_criteria_enable = fs_matcher->match_criteria_enable; | |
3972 | ||
d4be3f44 | 3973 | handler->rule = mlx5_add_flow_rules(ft, spec, |
bfc5d839 | 3974 | flow_act, dst, dst_num); |
d4be3f44 YH |
3975 | |
3976 | if (IS_ERR(handler->rule)) { | |
3977 | err = PTR_ERR(handler->rule); | |
3978 | goto free; | |
3979 | } | |
3980 | ||
3981 | ft_prio->refcount++; | |
3982 | handler->prio = ft_prio; | |
3983 | handler->dev = dev; | |
3984 | ft_prio->flow_table = ft; | |
3985 | ||
3986 | free: | |
3987 | if (err) | |
3988 | kfree(handler); | |
3989 | kvfree(spec); | |
3990 | return err ? ERR_PTR(err) : handler; | |
3991 | } | |
3992 | ||
3993 | static bool raw_fs_is_multicast(struct mlx5_ib_flow_matcher *fs_matcher, | |
3994 | void *match_v) | |
3995 | { | |
3996 | void *match_c; | |
3997 | void *match_v_set_lyr_2_4, *match_c_set_lyr_2_4; | |
3998 | void *dmac, *dmac_mask; | |
3999 | void *ipv4, *ipv4_mask; | |
4000 | ||
4001 | if (!(fs_matcher->match_criteria_enable & | |
4002 | (1 << MATCH_CRITERIA_ENABLE_OUTER_BIT))) | |
4003 | return false; | |
4004 | ||
4005 | match_c = fs_matcher->matcher_mask.match_params; | |
4006 | match_v_set_lyr_2_4 = MLX5_ADDR_OF(fte_match_param, match_v, | |
4007 | outer_headers); | |
4008 | match_c_set_lyr_2_4 = MLX5_ADDR_OF(fte_match_param, match_c, | |
4009 | outer_headers); | |
4010 | ||
4011 | dmac = MLX5_ADDR_OF(fte_match_set_lyr_2_4, match_v_set_lyr_2_4, | |
4012 | dmac_47_16); | |
4013 | dmac_mask = MLX5_ADDR_OF(fte_match_set_lyr_2_4, match_c_set_lyr_2_4, | |
4014 | dmac_47_16); | |
4015 | ||
4016 | if (is_multicast_ether_addr(dmac) && | |
4017 | is_multicast_ether_addr(dmac_mask)) | |
4018 | return true; | |
4019 | ||
4020 | ipv4 = MLX5_ADDR_OF(fte_match_set_lyr_2_4, match_v_set_lyr_2_4, | |
4021 | dst_ipv4_dst_ipv6.ipv4_layout.ipv4); | |
4022 | ||
4023 | ipv4_mask = MLX5_ADDR_OF(fte_match_set_lyr_2_4, match_c_set_lyr_2_4, | |
4024 | dst_ipv4_dst_ipv6.ipv4_layout.ipv4); | |
4025 | ||
4026 | if (ipv4_is_multicast(*(__be32 *)(ipv4)) && | |
4027 | ipv4_is_multicast(*(__be32 *)(ipv4_mask))) | |
4028 | return true; | |
4029 | ||
4030 | return false; | |
4031 | } | |
4032 | ||
32269441 YH |
4033 | struct mlx5_ib_flow_handler * |
4034 | mlx5_ib_raw_fs_rule_add(struct mlx5_ib_dev *dev, | |
4035 | struct mlx5_ib_flow_matcher *fs_matcher, | |
b823dd6d | 4036 | struct mlx5_flow_act *flow_act, |
bfc5d839 | 4037 | u32 counter_id, |
32269441 YH |
4038 | void *cmd_in, int inlen, int dest_id, |
4039 | int dest_type) | |
4040 | { | |
d4be3f44 YH |
4041 | struct mlx5_flow_destination *dst; |
4042 | struct mlx5_ib_flow_prio *ft_prio; | |
d4be3f44 | 4043 | struct mlx5_ib_flow_handler *handler; |
bfc5d839 | 4044 | int dst_num = 0; |
d4be3f44 YH |
4045 | bool mcast; |
4046 | int err; | |
4047 | ||
4048 | if (fs_matcher->flow_type != MLX5_IB_FLOW_TYPE_NORMAL) | |
4049 | return ERR_PTR(-EOPNOTSUPP); | |
4050 | ||
4051 | if (fs_matcher->priority > MLX5_IB_FLOW_LAST_PRIO) | |
4052 | return ERR_PTR(-ENOMEM); | |
4053 | ||
8e8aa145 | 4054 | dst = kcalloc(2, sizeof(*dst), GFP_KERNEL); |
d4be3f44 YH |
4055 | if (!dst) |
4056 | return ERR_PTR(-ENOMEM); | |
4057 | ||
4058 | mcast = raw_fs_is_multicast(fs_matcher, cmd_in); | |
4059 | mutex_lock(&dev->flow_db->lock); | |
4060 | ||
b47fd4ff | 4061 | ft_prio = _get_flow_table(dev, fs_matcher, mcast); |
d4be3f44 YH |
4062 | if (IS_ERR(ft_prio)) { |
4063 | err = PTR_ERR(ft_prio); | |
4064 | goto unlock; | |
4065 | } | |
4066 | ||
6346f0bf | 4067 | if (dest_type == MLX5_FLOW_DESTINATION_TYPE_TIR) { |
bfc5d839 MB |
4068 | dst[dst_num].type = dest_type; |
4069 | dst[dst_num].tir_num = dest_id; | |
b823dd6d | 4070 | flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; |
a7ee18bd | 4071 | } else if (dest_type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE) { |
bfc5d839 MB |
4072 | dst[dst_num].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM; |
4073 | dst[dst_num].ft_num = dest_id; | |
b823dd6d | 4074 | flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; |
a7ee18bd | 4075 | } else { |
bfc5d839 | 4076 | dst[dst_num].type = MLX5_FLOW_DESTINATION_TYPE_PORT; |
a7ee18bd | 4077 | flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_ALLOW; |
6346f0bf YH |
4078 | } |
4079 | ||
bfc5d839 MB |
4080 | dst_num++; |
4081 | ||
4082 | if (flow_act->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { | |
4083 | dst[dst_num].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; | |
4084 | dst[dst_num].counter_id = counter_id; | |
4085 | dst_num++; | |
4086 | } | |
4087 | ||
b823dd6d | 4088 | handler = _create_raw_flow_rule(dev, ft_prio, dst, fs_matcher, flow_act, |
bfc5d839 | 4089 | cmd_in, inlen, dst_num); |
d4be3f44 YH |
4090 | |
4091 | if (IS_ERR(handler)) { | |
4092 | err = PTR_ERR(handler); | |
4093 | goto destroy_ft; | |
4094 | } | |
4095 | ||
4096 | mutex_unlock(&dev->flow_db->lock); | |
4097 | atomic_inc(&fs_matcher->usecnt); | |
4098 | handler->flow_matcher = fs_matcher; | |
4099 | ||
4100 | kfree(dst); | |
4101 | ||
4102 | return handler; | |
4103 | ||
4104 | destroy_ft: | |
4105 | put_flow_table(dev, ft_prio, false); | |
4106 | unlock: | |
4107 | mutex_unlock(&dev->flow_db->lock); | |
4108 | kfree(dst); | |
4109 | ||
4110 | return ERR_PTR(err); | |
32269441 YH |
4111 | } |
4112 | ||
c6475a0b AY |
4113 | static u32 mlx5_ib_flow_action_flags_to_accel_xfrm_flags(u32 mlx5_flags) |
4114 | { | |
4115 | u32 flags = 0; | |
4116 | ||
4117 | if (mlx5_flags & MLX5_IB_UAPI_FLOW_ACTION_FLAGS_REQUIRE_METADATA) | |
4118 | flags |= MLX5_ACCEL_XFRM_FLAG_REQUIRE_METADATA; | |
4119 | ||
4120 | return flags; | |
4121 | } | |
4122 | ||
4123 | #define MLX5_FLOW_ACTION_ESP_CREATE_LAST_SUPPORTED MLX5_IB_UAPI_FLOW_ACTION_FLAGS_REQUIRE_METADATA | |
4124 | static struct ib_flow_action * | |
4125 | mlx5_ib_create_flow_action_esp(struct ib_device *device, | |
4126 | const struct ib_flow_action_attrs_esp *attr, | |
4127 | struct uverbs_attr_bundle *attrs) | |
4128 | { | |
4129 | struct mlx5_ib_dev *mdev = to_mdev(device); | |
4130 | struct ib_uverbs_flow_action_esp_keymat_aes_gcm *aes_gcm; | |
4131 | struct mlx5_accel_esp_xfrm_attrs accel_attrs = {}; | |
4132 | struct mlx5_ib_flow_action *action; | |
4133 | u64 action_flags; | |
4134 | u64 flags; | |
4135 | int err = 0; | |
4136 | ||
bccd0622 JG |
4137 | err = uverbs_get_flags64( |
4138 | &action_flags, attrs, MLX5_IB_ATTR_CREATE_FLOW_ACTION_FLAGS, | |
4139 | ((MLX5_FLOW_ACTION_ESP_CREATE_LAST_SUPPORTED << 1) - 1)); | |
4140 | if (err) | |
4141 | return ERR_PTR(err); | |
c6475a0b AY |
4142 | |
4143 | flags = mlx5_ib_flow_action_flags_to_accel_xfrm_flags(action_flags); | |
4144 | ||
4145 | /* We current only support a subset of the standard features. Only a | |
4146 | * keymat of type AES_GCM, with icv_len == 16, iv_algo == SEQ and esn | |
4147 | * (with overlap). Full offload mode isn't supported. | |
4148 | */ | |
4149 | if (!attr->keymat || attr->replay || attr->encap || | |
4150 | attr->spi || attr->seq || attr->tfc_pad || | |
4151 | attr->hard_limit_pkts || | |
4152 | (attr->flags & ~(IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED | | |
4153 | IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ENCRYPT))) | |
4154 | return ERR_PTR(-EOPNOTSUPP); | |
4155 | ||
4156 | if (attr->keymat->protocol != | |
4157 | IB_UVERBS_FLOW_ACTION_ESP_KEYMAT_AES_GCM) | |
4158 | return ERR_PTR(-EOPNOTSUPP); | |
4159 | ||
4160 | aes_gcm = &attr->keymat->keymat.aes_gcm; | |
4161 | ||
4162 | if (aes_gcm->icv_len != 16 || | |
4163 | aes_gcm->iv_algo != IB_UVERBS_FLOW_ACTION_IV_ALGO_SEQ) | |
4164 | return ERR_PTR(-EOPNOTSUPP); | |
4165 | ||
4166 | action = kmalloc(sizeof(*action), GFP_KERNEL); | |
4167 | if (!action) | |
4168 | return ERR_PTR(-ENOMEM); | |
4169 | ||
4170 | action->esp_aes_gcm.ib_flags = attr->flags; | |
4171 | memcpy(&accel_attrs.keymat.aes_gcm.aes_key, &aes_gcm->aes_key, | |
4172 | sizeof(accel_attrs.keymat.aes_gcm.aes_key)); | |
4173 | accel_attrs.keymat.aes_gcm.key_len = aes_gcm->key_len * 8; | |
4174 | memcpy(&accel_attrs.keymat.aes_gcm.salt, &aes_gcm->salt, | |
4175 | sizeof(accel_attrs.keymat.aes_gcm.salt)); | |
4176 | memcpy(&accel_attrs.keymat.aes_gcm.seq_iv, &aes_gcm->iv, | |
4177 | sizeof(accel_attrs.keymat.aes_gcm.seq_iv)); | |
4178 | accel_attrs.keymat.aes_gcm.icv_len = aes_gcm->icv_len * 8; | |
4179 | accel_attrs.keymat.aes_gcm.iv_algo = MLX5_ACCEL_ESP_AES_GCM_IV_ALGO_SEQ; | |
4180 | accel_attrs.keymat_type = MLX5_ACCEL_ESP_KEYMAT_AES_GCM; | |
4181 | ||
4182 | accel_attrs.esn = attr->esn; | |
4183 | if (attr->flags & IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED) | |
4184 | accel_attrs.flags |= MLX5_ACCEL_ESP_FLAGS_ESN_TRIGGERED; | |
4185 | if (attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW) | |
4186 | accel_attrs.flags |= MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP; | |
4187 | ||
4188 | if (attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ENCRYPT) | |
4189 | accel_attrs.action |= MLX5_ACCEL_ESP_ACTION_ENCRYPT; | |
4190 | ||
4191 | action->esp_aes_gcm.ctx = | |
4192 | mlx5_accel_esp_create_xfrm(mdev->mdev, &accel_attrs, flags); | |
4193 | if (IS_ERR(action->esp_aes_gcm.ctx)) { | |
4194 | err = PTR_ERR(action->esp_aes_gcm.ctx); | |
4195 | goto err_parse; | |
4196 | } | |
4197 | ||
4198 | action->esp_aes_gcm.ib_flags = attr->flags; | |
4199 | ||
4200 | return &action->ib_action; | |
4201 | ||
4202 | err_parse: | |
4203 | kfree(action); | |
4204 | return ERR_PTR(err); | |
4205 | } | |
4206 | ||
349705c1 MB |
4207 | static int |
4208 | mlx5_ib_modify_flow_action_esp(struct ib_flow_action *action, | |
4209 | const struct ib_flow_action_attrs_esp *attr, | |
4210 | struct uverbs_attr_bundle *attrs) | |
4211 | { | |
4212 | struct mlx5_ib_flow_action *maction = to_mflow_act(action); | |
4213 | struct mlx5_accel_esp_xfrm_attrs accel_attrs; | |
4214 | int err = 0; | |
4215 | ||
4216 | if (attr->keymat || attr->replay || attr->encap || | |
4217 | attr->spi || attr->seq || attr->tfc_pad || | |
4218 | attr->hard_limit_pkts || | |
4219 | (attr->flags & ~(IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED | | |
4220 | IB_FLOW_ACTION_ESP_FLAGS_MOD_ESP_ATTRS | | |
4221 | IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW))) | |
4222 | return -EOPNOTSUPP; | |
4223 | ||
4224 | /* Only the ESN value or the MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP can | |
4225 | * be modified. | |
4226 | */ | |
4227 | if (!(maction->esp_aes_gcm.ib_flags & | |
4228 | IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED) && | |
4229 | attr->flags & (IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED | | |
4230 | IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW)) | |
4231 | return -EINVAL; | |
4232 | ||
4233 | memcpy(&accel_attrs, &maction->esp_aes_gcm.ctx->attrs, | |
4234 | sizeof(accel_attrs)); | |
4235 | ||
4236 | accel_attrs.esn = attr->esn; | |
4237 | if (attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW) | |
4238 | accel_attrs.flags |= MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP; | |
4239 | else | |
4240 | accel_attrs.flags &= ~MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP; | |
4241 | ||
4242 | err = mlx5_accel_esp_modify_xfrm(maction->esp_aes_gcm.ctx, | |
4243 | &accel_attrs); | |
4244 | if (err) | |
4245 | return err; | |
4246 | ||
4247 | maction->esp_aes_gcm.ib_flags &= | |
4248 | ~IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW; | |
4249 | maction->esp_aes_gcm.ib_flags |= | |
4250 | attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW; | |
4251 | ||
4252 | return 0; | |
4253 | } | |
4254 | ||
c6475a0b AY |
4255 | static int mlx5_ib_destroy_flow_action(struct ib_flow_action *action) |
4256 | { | |
4257 | struct mlx5_ib_flow_action *maction = to_mflow_act(action); | |
4258 | ||
4259 | switch (action->type) { | |
4260 | case IB_FLOW_ACTION_ESP: | |
4261 | /* | |
4262 | * We only support aes_gcm by now, so we implicitly know this is | |
4263 | * the underline crypto. | |
4264 | */ | |
4265 | mlx5_accel_esp_destroy_xfrm(maction->esp_aes_gcm.ctx); | |
4266 | break; | |
b4749bf2 MB |
4267 | case IB_FLOW_ACTION_UNSPECIFIED: |
4268 | mlx5_ib_destroy_flow_action_raw(maction); | |
4269 | break; | |
c6475a0b AY |
4270 | default: |
4271 | WARN_ON(true); | |
4272 | break; | |
4273 | } | |
4274 | ||
4275 | kfree(maction); | |
4276 | return 0; | |
4277 | } | |
4278 | ||
e126ba97 EC |
4279 | static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
4280 | { | |
4281 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
81e30880 | 4282 | struct mlx5_ib_qp *mqp = to_mqp(ibqp); |
e126ba97 | 4283 | int err; |
539ec982 YH |
4284 | u16 uid; |
4285 | ||
4286 | uid = ibqp->pd ? | |
4287 | to_mpd(ibqp->pd)->uid : 0; | |
e126ba97 | 4288 | |
81e30880 YH |
4289 | if (mqp->flags & MLX5_IB_QP_UNDERLAY) { |
4290 | mlx5_ib_dbg(dev, "Attaching a multi cast group to underlay QP is not supported\n"); | |
4291 | return -EOPNOTSUPP; | |
4292 | } | |
4293 | ||
539ec982 | 4294 | err = mlx5_cmd_attach_mcg(dev->mdev, gid, ibqp->qp_num, uid); |
e126ba97 EC |
4295 | if (err) |
4296 | mlx5_ib_warn(dev, "failed attaching QPN 0x%x, MGID %pI6\n", | |
4297 | ibqp->qp_num, gid->raw); | |
4298 | ||
4299 | return err; | |
4300 | } | |
4301 | ||
4302 | static int mlx5_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
4303 | { | |
4304 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
4305 | int err; | |
539ec982 | 4306 | u16 uid; |
e126ba97 | 4307 | |
539ec982 YH |
4308 | uid = ibqp->pd ? |
4309 | to_mpd(ibqp->pd)->uid : 0; | |
4310 | err = mlx5_cmd_detach_mcg(dev->mdev, gid, ibqp->qp_num, uid); | |
e126ba97 EC |
4311 | if (err) |
4312 | mlx5_ib_warn(dev, "failed detaching QPN 0x%x, MGID %pI6\n", | |
4313 | ibqp->qp_num, gid->raw); | |
4314 | ||
4315 | return err; | |
4316 | } | |
4317 | ||
4318 | static int init_node_data(struct mlx5_ib_dev *dev) | |
4319 | { | |
1b5daf11 | 4320 | int err; |
e126ba97 | 4321 | |
1b5daf11 | 4322 | err = mlx5_query_node_desc(dev, dev->ib_dev.node_desc); |
e126ba97 | 4323 | if (err) |
1b5daf11 | 4324 | return err; |
e126ba97 | 4325 | |
1b5daf11 | 4326 | dev->mdev->rev_id = dev->mdev->pdev->revision; |
e126ba97 | 4327 | |
1b5daf11 | 4328 | return mlx5_query_node_guid(dev, &dev->ib_dev.node_guid); |
e126ba97 EC |
4329 | } |
4330 | ||
508a523f PP |
4331 | static ssize_t fw_pages_show(struct device *device, |
4332 | struct device_attribute *attr, char *buf) | |
e126ba97 EC |
4333 | { |
4334 | struct mlx5_ib_dev *dev = | |
54747231 | 4335 | rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev); |
e126ba97 | 4336 | |
9603b61d | 4337 | return sprintf(buf, "%d\n", dev->mdev->priv.fw_pages); |
e126ba97 | 4338 | } |
508a523f | 4339 | static DEVICE_ATTR_RO(fw_pages); |
e126ba97 | 4340 | |
508a523f | 4341 | static ssize_t reg_pages_show(struct device *device, |
e126ba97 EC |
4342 | struct device_attribute *attr, char *buf) |
4343 | { | |
4344 | struct mlx5_ib_dev *dev = | |
54747231 | 4345 | rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev); |
e126ba97 | 4346 | |
6aec21f6 | 4347 | return sprintf(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages)); |
e126ba97 | 4348 | } |
508a523f | 4349 | static DEVICE_ATTR_RO(reg_pages); |
e126ba97 | 4350 | |
508a523f PP |
4351 | static ssize_t hca_type_show(struct device *device, |
4352 | struct device_attribute *attr, char *buf) | |
e126ba97 EC |
4353 | { |
4354 | struct mlx5_ib_dev *dev = | |
54747231 PP |
4355 | rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev); |
4356 | ||
9603b61d | 4357 | return sprintf(buf, "MT%d\n", dev->mdev->pdev->device); |
e126ba97 | 4358 | } |
508a523f | 4359 | static DEVICE_ATTR_RO(hca_type); |
e126ba97 | 4360 | |
508a523f PP |
4361 | static ssize_t hw_rev_show(struct device *device, |
4362 | struct device_attribute *attr, char *buf) | |
e126ba97 EC |
4363 | { |
4364 | struct mlx5_ib_dev *dev = | |
54747231 PP |
4365 | rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev); |
4366 | ||
9603b61d | 4367 | return sprintf(buf, "%x\n", dev->mdev->rev_id); |
e126ba97 | 4368 | } |
508a523f | 4369 | static DEVICE_ATTR_RO(hw_rev); |
e126ba97 | 4370 | |
508a523f PP |
4371 | static ssize_t board_id_show(struct device *device, |
4372 | struct device_attribute *attr, char *buf) | |
e126ba97 EC |
4373 | { |
4374 | struct mlx5_ib_dev *dev = | |
54747231 PP |
4375 | rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev); |
4376 | ||
e126ba97 | 4377 | return sprintf(buf, "%.*s\n", MLX5_BOARD_ID_LEN, |
9603b61d | 4378 | dev->mdev->board_id); |
e126ba97 | 4379 | } |
508a523f | 4380 | static DEVICE_ATTR_RO(board_id); |
e126ba97 | 4381 | |
508a523f PP |
4382 | static struct attribute *mlx5_class_attributes[] = { |
4383 | &dev_attr_hw_rev.attr, | |
4384 | &dev_attr_hca_type.attr, | |
4385 | &dev_attr_board_id.attr, | |
4386 | &dev_attr_fw_pages.attr, | |
4387 | &dev_attr_reg_pages.attr, | |
4388 | NULL, | |
4389 | }; | |
e126ba97 | 4390 | |
508a523f PP |
4391 | static const struct attribute_group mlx5_attr_group = { |
4392 | .attrs = mlx5_class_attributes, | |
e126ba97 EC |
4393 | }; |
4394 | ||
7722f47e HE |
4395 | static void pkey_change_handler(struct work_struct *work) |
4396 | { | |
4397 | struct mlx5_ib_port_resources *ports = | |
4398 | container_of(work, struct mlx5_ib_port_resources, | |
4399 | pkey_change_work); | |
4400 | ||
4401 | mutex_lock(&ports->devr->mutex); | |
4402 | mlx5_ib_gsi_pkey_change(ports->gsi); | |
4403 | mutex_unlock(&ports->devr->mutex); | |
4404 | } | |
4405 | ||
89ea94a7 MG |
4406 | static void mlx5_ib_handle_internal_error(struct mlx5_ib_dev *ibdev) |
4407 | { | |
4408 | struct mlx5_ib_qp *mqp; | |
4409 | struct mlx5_ib_cq *send_mcq, *recv_mcq; | |
4410 | struct mlx5_core_cq *mcq; | |
4411 | struct list_head cq_armed_list; | |
4412 | unsigned long flags_qp; | |
4413 | unsigned long flags_cq; | |
4414 | unsigned long flags; | |
4415 | ||
4416 | INIT_LIST_HEAD(&cq_armed_list); | |
4417 | ||
4418 | /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/ | |
4419 | spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags); | |
4420 | list_for_each_entry(mqp, &ibdev->qp_list, qps_list) { | |
4421 | spin_lock_irqsave(&mqp->sq.lock, flags_qp); | |
4422 | if (mqp->sq.tail != mqp->sq.head) { | |
4423 | send_mcq = to_mcq(mqp->ibqp.send_cq); | |
4424 | spin_lock_irqsave(&send_mcq->lock, flags_cq); | |
4425 | if (send_mcq->mcq.comp && | |
4426 | mqp->ibqp.send_cq->comp_handler) { | |
4427 | if (!send_mcq->mcq.reset_notify_added) { | |
4428 | send_mcq->mcq.reset_notify_added = 1; | |
4429 | list_add_tail(&send_mcq->mcq.reset_notify, | |
4430 | &cq_armed_list); | |
4431 | } | |
4432 | } | |
4433 | spin_unlock_irqrestore(&send_mcq->lock, flags_cq); | |
4434 | } | |
4435 | spin_unlock_irqrestore(&mqp->sq.lock, flags_qp); | |
4436 | spin_lock_irqsave(&mqp->rq.lock, flags_qp); | |
4437 | /* no handling is needed for SRQ */ | |
4438 | if (!mqp->ibqp.srq) { | |
4439 | if (mqp->rq.tail != mqp->rq.head) { | |
4440 | recv_mcq = to_mcq(mqp->ibqp.recv_cq); | |
4441 | spin_lock_irqsave(&recv_mcq->lock, flags_cq); | |
4442 | if (recv_mcq->mcq.comp && | |
4443 | mqp->ibqp.recv_cq->comp_handler) { | |
4444 | if (!recv_mcq->mcq.reset_notify_added) { | |
4445 | recv_mcq->mcq.reset_notify_added = 1; | |
4446 | list_add_tail(&recv_mcq->mcq.reset_notify, | |
4447 | &cq_armed_list); | |
4448 | } | |
4449 | } | |
4450 | spin_unlock_irqrestore(&recv_mcq->lock, | |
4451 | flags_cq); | |
4452 | } | |
4453 | } | |
4454 | spin_unlock_irqrestore(&mqp->rq.lock, flags_qp); | |
4455 | } | |
4456 | /*At that point all inflight post send were put to be executed as of we | |
4457 | * lock/unlock above locks Now need to arm all involved CQs. | |
4458 | */ | |
4459 | list_for_each_entry(mcq, &cq_armed_list, reset_notify) { | |
4460 | mcq->comp(mcq); | |
4461 | } | |
4462 | spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags); | |
4463 | } | |
4464 | ||
03404e8a MG |
4465 | static void delay_drop_handler(struct work_struct *work) |
4466 | { | |
4467 | int err; | |
4468 | struct mlx5_ib_delay_drop *delay_drop = | |
4469 | container_of(work, struct mlx5_ib_delay_drop, | |
4470 | delay_drop_work); | |
4471 | ||
fe248c3a MG |
4472 | atomic_inc(&delay_drop->events_cnt); |
4473 | ||
03404e8a MG |
4474 | mutex_lock(&delay_drop->lock); |
4475 | err = mlx5_core_set_delay_drop(delay_drop->dev->mdev, | |
4476 | delay_drop->timeout); | |
4477 | if (err) { | |
4478 | mlx5_ib_warn(delay_drop->dev, "Failed to set delay drop, timeout=%u\n", | |
4479 | delay_drop->timeout); | |
4480 | delay_drop->activate = false; | |
4481 | } | |
4482 | mutex_unlock(&delay_drop->lock); | |
4483 | } | |
4484 | ||
09e574fa SM |
4485 | static void handle_general_event(struct mlx5_ib_dev *ibdev, struct mlx5_eqe *eqe, |
4486 | struct ib_event *ibev) | |
4487 | { | |
6cfdc7e4 AL |
4488 | u8 port = (eqe->data.port.port >> 4) & 0xf; |
4489 | ||
09e574fa SM |
4490 | switch (eqe->sub_type) { |
4491 | case MLX5_GENERAL_SUBTYPE_DELAY_DROP_TIMEOUT: | |
6cfdc7e4 AL |
4492 | if (mlx5_ib_port_link_layer(&ibdev->ib_dev, port) == |
4493 | IB_LINK_LAYER_ETHERNET) | |
4494 | schedule_work(&ibdev->delay_drop.delay_drop_work); | |
09e574fa SM |
4495 | break; |
4496 | default: /* do nothing */ | |
4497 | return; | |
4498 | } | |
4499 | } | |
4500 | ||
134e9349 SM |
4501 | static int handle_port_change(struct mlx5_ib_dev *ibdev, struct mlx5_eqe *eqe, |
4502 | struct ib_event *ibev) | |
4503 | { | |
4504 | u8 port = (eqe->data.port.port >> 4) & 0xf; | |
4505 | ||
4506 | ibev->element.port_num = port; | |
4507 | ||
4508 | switch (eqe->sub_type) { | |
4509 | case MLX5_PORT_CHANGE_SUBTYPE_ACTIVE: | |
4510 | case MLX5_PORT_CHANGE_SUBTYPE_DOWN: | |
4511 | case MLX5_PORT_CHANGE_SUBTYPE_INITIALIZED: | |
4512 | /* In RoCE, port up/down events are handled in | |
4513 | * mlx5_netdev_event(). | |
4514 | */ | |
4515 | if (mlx5_ib_port_link_layer(&ibdev->ib_dev, port) == | |
4516 | IB_LINK_LAYER_ETHERNET) | |
4517 | return -EINVAL; | |
4518 | ||
4519 | ibev->event = (eqe->sub_type == MLX5_PORT_CHANGE_SUBTYPE_ACTIVE) ? | |
4520 | IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; | |
4521 | break; | |
4522 | ||
4523 | case MLX5_PORT_CHANGE_SUBTYPE_LID: | |
4524 | ibev->event = IB_EVENT_LID_CHANGE; | |
4525 | break; | |
4526 | ||
4527 | case MLX5_PORT_CHANGE_SUBTYPE_PKEY: | |
4528 | ibev->event = IB_EVENT_PKEY_CHANGE; | |
4529 | schedule_work(&ibdev->devr.ports[port - 1].pkey_change_work); | |
4530 | break; | |
4531 | ||
4532 | case MLX5_PORT_CHANGE_SUBTYPE_GUID: | |
4533 | ibev->event = IB_EVENT_GID_CHANGE; | |
4534 | break; | |
4535 | ||
4536 | case MLX5_PORT_CHANGE_SUBTYPE_CLIENT_REREG: | |
4537 | ibev->event = IB_EVENT_CLIENT_REREGISTER; | |
4538 | break; | |
4539 | default: | |
4540 | return -EINVAL; | |
4541 | } | |
4542 | ||
4543 | return 0; | |
4544 | } | |
4545 | ||
d69a24e0 | 4546 | static void mlx5_ib_handle_event(struct work_struct *_work) |
e126ba97 | 4547 | { |
d69a24e0 DJ |
4548 | struct mlx5_ib_event_work *work = |
4549 | container_of(_work, struct mlx5_ib_event_work, work); | |
4550 | struct mlx5_ib_dev *ibdev; | |
e126ba97 | 4551 | struct ib_event ibev; |
dbaaff2a | 4552 | bool fatal = false; |
e126ba97 | 4553 | |
df097a27 SM |
4554 | if (work->is_slave) { |
4555 | ibdev = mlx5_ib_get_ibdev_from_mpi(work->mpi); | |
d69a24e0 DJ |
4556 | if (!ibdev) |
4557 | goto out; | |
4558 | } else { | |
df097a27 | 4559 | ibdev = work->dev; |
d69a24e0 DJ |
4560 | } |
4561 | ||
4562 | switch (work->event) { | |
e126ba97 | 4563 | case MLX5_DEV_EVENT_SYS_ERROR: |
e126ba97 | 4564 | ibev.event = IB_EVENT_DEVICE_FATAL; |
89ea94a7 | 4565 | mlx5_ib_handle_internal_error(ibdev); |
134e9349 | 4566 | ibev.element.port_num = (u8)(unsigned long)work->param; |
dbaaff2a | 4567 | fatal = true; |
e126ba97 | 4568 | break; |
134e9349 SM |
4569 | case MLX5_EVENT_TYPE_PORT_CHANGE: |
4570 | if (handle_port_change(ibdev, work->param, &ibev)) | |
d69a24e0 | 4571 | goto out; |
e126ba97 | 4572 | break; |
09e574fa SM |
4573 | case MLX5_EVENT_TYPE_GENERAL_EVENT: |
4574 | handle_general_event(ibdev, work->param, &ibev); | |
4575 | /* fall through */ | |
bdc37924 | 4576 | default: |
03404e8a | 4577 | goto out; |
e126ba97 EC |
4578 | } |
4579 | ||
134e9349 | 4580 | ibev.device = &ibdev->ib_dev; |
e126ba97 | 4581 | |
134e9349 SM |
4582 | if (!rdma_is_port_valid(&ibdev->ib_dev, ibev.element.port_num)) { |
4583 | mlx5_ib_warn(ibdev, "warning: event on port %d\n", ibev.element.port_num); | |
03404e8a | 4584 | goto out; |
a0c84c32 EC |
4585 | } |
4586 | ||
e126ba97 EC |
4587 | if (ibdev->ib_active) |
4588 | ib_dispatch_event(&ibev); | |
dbaaff2a EC |
4589 | |
4590 | if (fatal) | |
4591 | ibdev->ib_active = false; | |
03404e8a | 4592 | out: |
d69a24e0 DJ |
4593 | kfree(work); |
4594 | } | |
4595 | ||
df097a27 SM |
4596 | static int mlx5_ib_event(struct notifier_block *nb, |
4597 | unsigned long event, void *param) | |
d69a24e0 DJ |
4598 | { |
4599 | struct mlx5_ib_event_work *work; | |
4600 | ||
4601 | work = kmalloc(sizeof(*work), GFP_ATOMIC); | |
10bea9c8 | 4602 | if (!work) |
df097a27 | 4603 | return NOTIFY_DONE; |
d69a24e0 | 4604 | |
10bea9c8 | 4605 | INIT_WORK(&work->work, mlx5_ib_handle_event); |
df097a27 SM |
4606 | work->dev = container_of(nb, struct mlx5_ib_dev, mdev_events); |
4607 | work->is_slave = false; | |
10bea9c8 | 4608 | work->param = param; |
10bea9c8 LR |
4609 | work->event = event; |
4610 | ||
4611 | queue_work(mlx5_ib_event_wq, &work->work); | |
df097a27 SM |
4612 | |
4613 | return NOTIFY_OK; | |
4614 | } | |
4615 | ||
4616 | static int mlx5_ib_event_slave_port(struct notifier_block *nb, | |
4617 | unsigned long event, void *param) | |
4618 | { | |
4619 | struct mlx5_ib_event_work *work; | |
4620 | ||
4621 | work = kmalloc(sizeof(*work), GFP_ATOMIC); | |
4622 | if (!work) | |
4623 | return NOTIFY_DONE; | |
4624 | ||
4625 | INIT_WORK(&work->work, mlx5_ib_handle_event); | |
4626 | work->mpi = container_of(nb, struct mlx5_ib_multiport_info, mdev_events); | |
4627 | work->is_slave = true; | |
4628 | work->param = param; | |
4629 | work->event = event; | |
4630 | queue_work(mlx5_ib_event_wq, &work->work); | |
4631 | ||
4632 | return NOTIFY_OK; | |
e126ba97 EC |
4633 | } |
4634 | ||
c43f1112 MG |
4635 | static int set_has_smi_cap(struct mlx5_ib_dev *dev) |
4636 | { | |
4637 | struct mlx5_hca_vport_context vport_ctx; | |
4638 | int err; | |
4639 | int port; | |
4640 | ||
a989ea01 | 4641 | for (port = 1; port <= ARRAY_SIZE(dev->mdev->port_caps); port++) { |
c43f1112 MG |
4642 | dev->mdev->port_caps[port - 1].has_smi = false; |
4643 | if (MLX5_CAP_GEN(dev->mdev, port_type) == | |
4644 | MLX5_CAP_PORT_TYPE_IB) { | |
4645 | if (MLX5_CAP_GEN(dev->mdev, ib_virt)) { | |
4646 | err = mlx5_query_hca_vport_context(dev->mdev, 0, | |
4647 | port, 0, | |
4648 | &vport_ctx); | |
4649 | if (err) { | |
4650 | mlx5_ib_err(dev, "query_hca_vport_context for port=%d failed %d\n", | |
4651 | port, err); | |
4652 | return err; | |
4653 | } | |
4654 | dev->mdev->port_caps[port - 1].has_smi = | |
4655 | vport_ctx.has_smi; | |
4656 | } else { | |
4657 | dev->mdev->port_caps[port - 1].has_smi = true; | |
4658 | } | |
4659 | } | |
4660 | } | |
4661 | return 0; | |
4662 | } | |
4663 | ||
e126ba97 EC |
4664 | static void get_ext_port_caps(struct mlx5_ib_dev *dev) |
4665 | { | |
4666 | int port; | |
4667 | ||
508562d6 | 4668 | for (port = 1; port <= dev->num_ports; port++) |
e126ba97 EC |
4669 | mlx5_query_ext_port_caps(dev, port); |
4670 | } | |
4671 | ||
26628e2d | 4672 | static int __get_port_caps(struct mlx5_ib_dev *dev, u8 port) |
e126ba97 EC |
4673 | { |
4674 | struct ib_device_attr *dprops = NULL; | |
4675 | struct ib_port_attr *pprops = NULL; | |
f614fc15 | 4676 | int err = -ENOMEM; |
2528e33e | 4677 | struct ib_udata uhw = {.inlen = 0, .outlen = 0}; |
e126ba97 EC |
4678 | |
4679 | pprops = kmalloc(sizeof(*pprops), GFP_KERNEL); | |
4680 | if (!pprops) | |
4681 | goto out; | |
4682 | ||
4683 | dprops = kmalloc(sizeof(*dprops), GFP_KERNEL); | |
4684 | if (!dprops) | |
4685 | goto out; | |
4686 | ||
2528e33e | 4687 | err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw); |
e126ba97 EC |
4688 | if (err) { |
4689 | mlx5_ib_warn(dev, "query_device failed %d\n", err); | |
4690 | goto out; | |
4691 | } | |
4692 | ||
32f69e4b DJ |
4693 | memset(pprops, 0, sizeof(*pprops)); |
4694 | err = mlx5_ib_query_port(&dev->ib_dev, port, pprops); | |
4695 | if (err) { | |
4696 | mlx5_ib_warn(dev, "query_port %d failed %d\n", | |
4697 | port, err); | |
4698 | goto out; | |
e126ba97 EC |
4699 | } |
4700 | ||
32f69e4b DJ |
4701 | dev->mdev->port_caps[port - 1].pkey_table_len = |
4702 | dprops->max_pkeys; | |
4703 | dev->mdev->port_caps[port - 1].gid_table_len = | |
4704 | pprops->gid_tbl_len; | |
4705 | mlx5_ib_dbg(dev, "port %d: pkey_table_len %d, gid_table_len %d\n", | |
4706 | port, dprops->max_pkeys, pprops->gid_tbl_len); | |
4707 | ||
e126ba97 EC |
4708 | out: |
4709 | kfree(pprops); | |
4710 | kfree(dprops); | |
4711 | ||
4712 | return err; | |
4713 | } | |
4714 | ||
26628e2d MB |
4715 | static int get_port_caps(struct mlx5_ib_dev *dev, u8 port) |
4716 | { | |
4717 | /* For representors use port 1, is this is the only native | |
4718 | * port | |
4719 | */ | |
4720 | if (dev->is_rep) | |
4721 | return __get_port_caps(dev, 1); | |
4722 | return __get_port_caps(dev, port); | |
4723 | } | |
4724 | ||
e126ba97 EC |
4725 | static void destroy_umrc_res(struct mlx5_ib_dev *dev) |
4726 | { | |
4727 | int err; | |
4728 | ||
4729 | err = mlx5_mr_cache_cleanup(dev); | |
4730 | if (err) | |
4731 | mlx5_ib_warn(dev, "mr cache cleanup failed\n"); | |
4732 | ||
32927e28 | 4733 | if (dev->umrc.qp) |
c4367a26 | 4734 | mlx5_ib_destroy_qp(dev->umrc.qp, NULL); |
32927e28 MB |
4735 | if (dev->umrc.cq) |
4736 | ib_free_cq(dev->umrc.cq); | |
4737 | if (dev->umrc.pd) | |
4738 | ib_dealloc_pd(dev->umrc.pd); | |
e126ba97 EC |
4739 | } |
4740 | ||
4741 | enum { | |
4742 | MAX_UMR_WR = 128, | |
4743 | }; | |
4744 | ||
4745 | static int create_umr_res(struct mlx5_ib_dev *dev) | |
4746 | { | |
4747 | struct ib_qp_init_attr *init_attr = NULL; | |
4748 | struct ib_qp_attr *attr = NULL; | |
4749 | struct ib_pd *pd; | |
4750 | struct ib_cq *cq; | |
4751 | struct ib_qp *qp; | |
e126ba97 EC |
4752 | int ret; |
4753 | ||
4754 | attr = kzalloc(sizeof(*attr), GFP_KERNEL); | |
4755 | init_attr = kzalloc(sizeof(*init_attr), GFP_KERNEL); | |
4756 | if (!attr || !init_attr) { | |
4757 | ret = -ENOMEM; | |
4758 | goto error_0; | |
4759 | } | |
4760 | ||
ed082d36 | 4761 | pd = ib_alloc_pd(&dev->ib_dev, 0); |
e126ba97 EC |
4762 | if (IS_ERR(pd)) { |
4763 | mlx5_ib_dbg(dev, "Couldn't create PD for sync UMR QP\n"); | |
4764 | ret = PTR_ERR(pd); | |
4765 | goto error_0; | |
4766 | } | |
4767 | ||
add08d76 | 4768 | cq = ib_alloc_cq(&dev->ib_dev, NULL, 128, 0, IB_POLL_SOFTIRQ); |
e126ba97 EC |
4769 | if (IS_ERR(cq)) { |
4770 | mlx5_ib_dbg(dev, "Couldn't create CQ for sync UMR QP\n"); | |
4771 | ret = PTR_ERR(cq); | |
4772 | goto error_2; | |
4773 | } | |
e126ba97 EC |
4774 | |
4775 | init_attr->send_cq = cq; | |
4776 | init_attr->recv_cq = cq; | |
4777 | init_attr->sq_sig_type = IB_SIGNAL_ALL_WR; | |
4778 | init_attr->cap.max_send_wr = MAX_UMR_WR; | |
4779 | init_attr->cap.max_send_sge = 1; | |
4780 | init_attr->qp_type = MLX5_IB_QPT_REG_UMR; | |
4781 | init_attr->port_num = 1; | |
4782 | qp = mlx5_ib_create_qp(pd, init_attr, NULL); | |
4783 | if (IS_ERR(qp)) { | |
4784 | mlx5_ib_dbg(dev, "Couldn't create sync UMR QP\n"); | |
4785 | ret = PTR_ERR(qp); | |
4786 | goto error_3; | |
4787 | } | |
4788 | qp->device = &dev->ib_dev; | |
4789 | qp->real_qp = qp; | |
4790 | qp->uobject = NULL; | |
4791 | qp->qp_type = MLX5_IB_QPT_REG_UMR; | |
31fde034 MD |
4792 | qp->send_cq = init_attr->send_cq; |
4793 | qp->recv_cq = init_attr->recv_cq; | |
e126ba97 EC |
4794 | |
4795 | attr->qp_state = IB_QPS_INIT; | |
4796 | attr->port_num = 1; | |
4797 | ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE | IB_QP_PKEY_INDEX | | |
4798 | IB_QP_PORT, NULL); | |
4799 | if (ret) { | |
4800 | mlx5_ib_dbg(dev, "Couldn't modify UMR QP\n"); | |
4801 | goto error_4; | |
4802 | } | |
4803 | ||
4804 | memset(attr, 0, sizeof(*attr)); | |
4805 | attr->qp_state = IB_QPS_RTR; | |
4806 | attr->path_mtu = IB_MTU_256; | |
4807 | ||
4808 | ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); | |
4809 | if (ret) { | |
4810 | mlx5_ib_dbg(dev, "Couldn't modify umr QP to rtr\n"); | |
4811 | goto error_4; | |
4812 | } | |
4813 | ||
4814 | memset(attr, 0, sizeof(*attr)); | |
4815 | attr->qp_state = IB_QPS_RTS; | |
4816 | ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); | |
4817 | if (ret) { | |
4818 | mlx5_ib_dbg(dev, "Couldn't modify umr QP to rts\n"); | |
4819 | goto error_4; | |
4820 | } | |
4821 | ||
4822 | dev->umrc.qp = qp; | |
4823 | dev->umrc.cq = cq; | |
e126ba97 EC |
4824 | dev->umrc.pd = pd; |
4825 | ||
4826 | sema_init(&dev->umrc.sem, MAX_UMR_WR); | |
4827 | ret = mlx5_mr_cache_init(dev); | |
4828 | if (ret) { | |
4829 | mlx5_ib_warn(dev, "mr cache init failed %d\n", ret); | |
4830 | goto error_4; | |
4831 | } | |
4832 | ||
4833 | kfree(attr); | |
4834 | kfree(init_attr); | |
4835 | ||
4836 | return 0; | |
4837 | ||
4838 | error_4: | |
c4367a26 | 4839 | mlx5_ib_destroy_qp(qp, NULL); |
32927e28 | 4840 | dev->umrc.qp = NULL; |
e126ba97 EC |
4841 | |
4842 | error_3: | |
add08d76 | 4843 | ib_free_cq(cq); |
32927e28 | 4844 | dev->umrc.cq = NULL; |
e126ba97 EC |
4845 | |
4846 | error_2: | |
e126ba97 | 4847 | ib_dealloc_pd(pd); |
32927e28 | 4848 | dev->umrc.pd = NULL; |
e126ba97 EC |
4849 | |
4850 | error_0: | |
4851 | kfree(attr); | |
4852 | kfree(init_attr); | |
4853 | return ret; | |
4854 | } | |
4855 | ||
6e8484c5 MG |
4856 | static u8 mlx5_get_umr_fence(u8 umr_fence_cap) |
4857 | { | |
4858 | switch (umr_fence_cap) { | |
4859 | case MLX5_CAP_UMR_FENCE_NONE: | |
4860 | return MLX5_FENCE_MODE_NONE; | |
4861 | case MLX5_CAP_UMR_FENCE_SMALL: | |
4862 | return MLX5_FENCE_MODE_INITIATOR_SMALL; | |
4863 | default: | |
4864 | return MLX5_FENCE_MODE_STRONG_ORDERING; | |
4865 | } | |
4866 | } | |
4867 | ||
e126ba97 EC |
4868 | static int create_dev_resources(struct mlx5_ib_resources *devr) |
4869 | { | |
4870 | struct ib_srq_init_attr attr; | |
4871 | struct mlx5_ib_dev *dev; | |
21a428a0 | 4872 | struct ib_device *ibdev; |
bcf4c1ea | 4873 | struct ib_cq_init_attr cq_attr = {.cqe = 1}; |
7722f47e | 4874 | int port; |
e126ba97 EC |
4875 | int ret = 0; |
4876 | ||
4877 | dev = container_of(devr, struct mlx5_ib_dev, devr); | |
21a428a0 | 4878 | ibdev = &dev->ib_dev; |
e126ba97 | 4879 | |
d16e91da HE |
4880 | mutex_init(&devr->mutex); |
4881 | ||
21a428a0 LR |
4882 | devr->p0 = rdma_zalloc_drv_obj(ibdev, ib_pd); |
4883 | if (!devr->p0) | |
4884 | return -ENOMEM; | |
4885 | ||
4886 | devr->p0->device = ibdev; | |
e126ba97 EC |
4887 | devr->p0->uobject = NULL; |
4888 | atomic_set(&devr->p0->usecnt, 0); | |
4889 | ||
ff23dfa1 | 4890 | ret = mlx5_ib_alloc_pd(devr->p0, NULL); |
21a428a0 LR |
4891 | if (ret) |
4892 | goto error0; | |
4893 | ||
ff23dfa1 | 4894 | devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL); |
e126ba97 EC |
4895 | if (IS_ERR(devr->c0)) { |
4896 | ret = PTR_ERR(devr->c0); | |
4897 | goto error1; | |
4898 | } | |
4899 | devr->c0->device = &dev->ib_dev; | |
4900 | devr->c0->uobject = NULL; | |
4901 | devr->c0->comp_handler = NULL; | |
4902 | devr->c0->event_handler = NULL; | |
4903 | devr->c0->cq_context = NULL; | |
4904 | atomic_set(&devr->c0->usecnt, 0); | |
4905 | ||
ff23dfa1 | 4906 | devr->x0 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL); |
e126ba97 EC |
4907 | if (IS_ERR(devr->x0)) { |
4908 | ret = PTR_ERR(devr->x0); | |
4909 | goto error2; | |
4910 | } | |
4911 | devr->x0->device = &dev->ib_dev; | |
4912 | devr->x0->inode = NULL; | |
4913 | atomic_set(&devr->x0->usecnt, 0); | |
4914 | mutex_init(&devr->x0->tgt_qp_mutex); | |
4915 | INIT_LIST_HEAD(&devr->x0->tgt_qp_list); | |
4916 | ||
ff23dfa1 | 4917 | devr->x1 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL); |
e126ba97 EC |
4918 | if (IS_ERR(devr->x1)) { |
4919 | ret = PTR_ERR(devr->x1); | |
4920 | goto error3; | |
4921 | } | |
4922 | devr->x1->device = &dev->ib_dev; | |
4923 | devr->x1->inode = NULL; | |
4924 | atomic_set(&devr->x1->usecnt, 0); | |
4925 | mutex_init(&devr->x1->tgt_qp_mutex); | |
4926 | INIT_LIST_HEAD(&devr->x1->tgt_qp_list); | |
4927 | ||
4928 | memset(&attr, 0, sizeof(attr)); | |
4929 | attr.attr.max_sge = 1; | |
4930 | attr.attr.max_wr = 1; | |
4931 | attr.srq_type = IB_SRQT_XRC; | |
1a56ff6d | 4932 | attr.ext.cq = devr->c0; |
e126ba97 EC |
4933 | attr.ext.xrc.xrcd = devr->x0; |
4934 | ||
68e326de LR |
4935 | devr->s0 = rdma_zalloc_drv_obj(ibdev, ib_srq); |
4936 | if (!devr->s0) { | |
4937 | ret = -ENOMEM; | |
e126ba97 EC |
4938 | goto error4; |
4939 | } | |
68e326de | 4940 | |
e126ba97 EC |
4941 | devr->s0->device = &dev->ib_dev; |
4942 | devr->s0->pd = devr->p0; | |
e126ba97 EC |
4943 | devr->s0->srq_type = IB_SRQT_XRC; |
4944 | devr->s0->ext.xrc.xrcd = devr->x0; | |
1a56ff6d | 4945 | devr->s0->ext.cq = devr->c0; |
68e326de LR |
4946 | ret = mlx5_ib_create_srq(devr->s0, &attr, NULL); |
4947 | if (ret) | |
4948 | goto err_create; | |
4949 | ||
e126ba97 | 4950 | atomic_inc(&devr->s0->ext.xrc.xrcd->usecnt); |
1a56ff6d | 4951 | atomic_inc(&devr->s0->ext.cq->usecnt); |
e126ba97 EC |
4952 | atomic_inc(&devr->p0->usecnt); |
4953 | atomic_set(&devr->s0->usecnt, 0); | |
4954 | ||
4aa17b28 HA |
4955 | memset(&attr, 0, sizeof(attr)); |
4956 | attr.attr.max_sge = 1; | |
4957 | attr.attr.max_wr = 1; | |
4958 | attr.srq_type = IB_SRQT_BASIC; | |
68e326de LR |
4959 | devr->s1 = rdma_zalloc_drv_obj(ibdev, ib_srq); |
4960 | if (!devr->s1) { | |
4961 | ret = -ENOMEM; | |
4aa17b28 HA |
4962 | goto error5; |
4963 | } | |
68e326de | 4964 | |
4aa17b28 HA |
4965 | devr->s1->device = &dev->ib_dev; |
4966 | devr->s1->pd = devr->p0; | |
4aa17b28 | 4967 | devr->s1->srq_type = IB_SRQT_BASIC; |
1a56ff6d | 4968 | devr->s1->ext.cq = devr->c0; |
68e326de LR |
4969 | |
4970 | ret = mlx5_ib_create_srq(devr->s1, &attr, NULL); | |
4971 | if (ret) | |
4972 | goto error6; | |
4973 | ||
4aa17b28 | 4974 | atomic_inc(&devr->p0->usecnt); |
1a56ff6d | 4975 | atomic_set(&devr->s1->usecnt, 0); |
4aa17b28 | 4976 | |
7722f47e HE |
4977 | for (port = 0; port < ARRAY_SIZE(devr->ports); ++port) { |
4978 | INIT_WORK(&devr->ports[port].pkey_change_work, | |
4979 | pkey_change_handler); | |
4980 | devr->ports[port].devr = devr; | |
4981 | } | |
4982 | ||
e126ba97 EC |
4983 | return 0; |
4984 | ||
68e326de LR |
4985 | error6: |
4986 | kfree(devr->s1); | |
4aa17b28 | 4987 | error5: |
c4367a26 | 4988 | mlx5_ib_destroy_srq(devr->s0, NULL); |
68e326de LR |
4989 | err_create: |
4990 | kfree(devr->s0); | |
e126ba97 | 4991 | error4: |
c4367a26 | 4992 | mlx5_ib_dealloc_xrcd(devr->x1, NULL); |
e126ba97 | 4993 | error3: |
c4367a26 | 4994 | mlx5_ib_dealloc_xrcd(devr->x0, NULL); |
e126ba97 | 4995 | error2: |
c4367a26 | 4996 | mlx5_ib_destroy_cq(devr->c0, NULL); |
e126ba97 | 4997 | error1: |
c4367a26 | 4998 | mlx5_ib_dealloc_pd(devr->p0, NULL); |
e126ba97 | 4999 | error0: |
21a428a0 | 5000 | kfree(devr->p0); |
e126ba97 EC |
5001 | return ret; |
5002 | } | |
5003 | ||
5004 | static void destroy_dev_resources(struct mlx5_ib_resources *devr) | |
5005 | { | |
7722f47e HE |
5006 | int port; |
5007 | ||
c4367a26 | 5008 | mlx5_ib_destroy_srq(devr->s1, NULL); |
68e326de | 5009 | kfree(devr->s1); |
c4367a26 | 5010 | mlx5_ib_destroy_srq(devr->s0, NULL); |
68e326de | 5011 | kfree(devr->s0); |
c4367a26 SR |
5012 | mlx5_ib_dealloc_xrcd(devr->x0, NULL); |
5013 | mlx5_ib_dealloc_xrcd(devr->x1, NULL); | |
5014 | mlx5_ib_destroy_cq(devr->c0, NULL); | |
5015 | mlx5_ib_dealloc_pd(devr->p0, NULL); | |
21a428a0 | 5016 | kfree(devr->p0); |
7722f47e HE |
5017 | |
5018 | /* Make sure no change P_Key work items are still executing */ | |
5d8f6a0e | 5019 | for (port = 0; port < ARRAY_SIZE(devr->ports); ++port) |
7722f47e | 5020 | cancel_work_sync(&devr->ports[port].pkey_change_work); |
e126ba97 EC |
5021 | } |
5022 | ||
b02289b3 AK |
5023 | static u32 get_core_cap_flags(struct ib_device *ibdev, |
5024 | struct mlx5_hca_vport_context *rep) | |
e53505a8 AS |
5025 | { |
5026 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
5027 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, 1); | |
5028 | u8 l3_type_cap = MLX5_CAP_ROCE(dev->mdev, l3_type); | |
5029 | u8 roce_version_cap = MLX5_CAP_ROCE(dev->mdev, roce_version); | |
85c7c014 | 5030 | bool raw_support = !mlx5_core_mp_enabled(dev->mdev); |
e53505a8 AS |
5031 | u32 ret = 0; |
5032 | ||
b02289b3 AK |
5033 | if (rep->grh_required) |
5034 | ret |= RDMA_CORE_CAP_IB_GRH_REQUIRED; | |
5035 | ||
e53505a8 | 5036 | if (ll == IB_LINK_LAYER_INFINIBAND) |
b02289b3 | 5037 | return ret | RDMA_CORE_PORT_IBA_IB; |
e53505a8 | 5038 | |
85c7c014 | 5039 | if (raw_support) |
b02289b3 | 5040 | ret |= RDMA_CORE_PORT_RAW_PACKET; |
72cd5717 | 5041 | |
e53505a8 | 5042 | if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV4_CAP)) |
72cd5717 | 5043 | return ret; |
e53505a8 AS |
5044 | |
5045 | if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV6_CAP)) | |
72cd5717 | 5046 | return ret; |
e53505a8 AS |
5047 | |
5048 | if (roce_version_cap & MLX5_ROCE_VERSION_1_CAP) | |
5049 | ret |= RDMA_CORE_PORT_IBA_ROCE; | |
5050 | ||
5051 | if (roce_version_cap & MLX5_ROCE_VERSION_2_CAP) | |
5052 | ret |= RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP; | |
5053 | ||
5054 | return ret; | |
5055 | } | |
5056 | ||
7738613e IW |
5057 | static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num, |
5058 | struct ib_port_immutable *immutable) | |
5059 | { | |
5060 | struct ib_port_attr attr; | |
ca5b91d6 OG |
5061 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
5062 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, port_num); | |
b02289b3 | 5063 | struct mlx5_hca_vport_context rep = {0}; |
7738613e IW |
5064 | int err; |
5065 | ||
c4550c63 | 5066 | err = ib_query_port(ibdev, port_num, &attr); |
7738613e IW |
5067 | if (err) |
5068 | return err; | |
5069 | ||
b02289b3 AK |
5070 | if (ll == IB_LINK_LAYER_INFINIBAND) { |
5071 | err = mlx5_query_hca_vport_context(dev->mdev, 0, port_num, 0, | |
5072 | &rep); | |
5073 | if (err) | |
5074 | return err; | |
5075 | } | |
5076 | ||
7738613e IW |
5077 | immutable->pkey_tbl_len = attr.pkey_tbl_len; |
5078 | immutable->gid_tbl_len = attr.gid_tbl_len; | |
b02289b3 | 5079 | immutable->core_cap_flags = get_core_cap_flags(ibdev, &rep); |
ca5b91d6 OG |
5080 | if ((ll == IB_LINK_LAYER_INFINIBAND) || MLX5_CAP_GEN(dev->mdev, roce)) |
5081 | immutable->max_mad_size = IB_MGMT_MAD_SIZE; | |
7738613e IW |
5082 | |
5083 | return 0; | |
5084 | } | |
5085 | ||
8e6efa3a MB |
5086 | static int mlx5_port_rep_immutable(struct ib_device *ibdev, u8 port_num, |
5087 | struct ib_port_immutable *immutable) | |
5088 | { | |
5089 | struct ib_port_attr attr; | |
5090 | int err; | |
5091 | ||
5092 | immutable->core_cap_flags = RDMA_CORE_PORT_RAW_PACKET; | |
5093 | ||
5094 | err = ib_query_port(ibdev, port_num, &attr); | |
5095 | if (err) | |
5096 | return err; | |
5097 | ||
5098 | immutable->pkey_tbl_len = attr.pkey_tbl_len; | |
5099 | immutable->gid_tbl_len = attr.gid_tbl_len; | |
5100 | immutable->core_cap_flags = RDMA_CORE_PORT_RAW_PACKET; | |
5101 | ||
5102 | return 0; | |
5103 | } | |
5104 | ||
9abb0d1b | 5105 | static void get_dev_fw_str(struct ib_device *ibdev, char *str) |
c7342823 IW |
5106 | { |
5107 | struct mlx5_ib_dev *dev = | |
5108 | container_of(ibdev, struct mlx5_ib_dev, ib_dev); | |
9abb0d1b LR |
5109 | snprintf(str, IB_FW_VERSION_NAME_MAX, "%d.%d.%04d", |
5110 | fw_rev_maj(dev->mdev), fw_rev_min(dev->mdev), | |
5111 | fw_rev_sub(dev->mdev)); | |
c7342823 IW |
5112 | } |
5113 | ||
45f95acd | 5114 | static int mlx5_eth_lag_init(struct mlx5_ib_dev *dev) |
9ef9c640 AH |
5115 | { |
5116 | struct mlx5_core_dev *mdev = dev->mdev; | |
5117 | struct mlx5_flow_namespace *ns = mlx5_get_flow_namespace(mdev, | |
5118 | MLX5_FLOW_NAMESPACE_LAG); | |
5119 | struct mlx5_flow_table *ft; | |
5120 | int err; | |
5121 | ||
7c34ec19 | 5122 | if (!ns || !mlx5_lag_is_roce(mdev)) |
9ef9c640 AH |
5123 | return 0; |
5124 | ||
5125 | err = mlx5_cmd_create_vport_lag(mdev); | |
5126 | if (err) | |
5127 | return err; | |
5128 | ||
5129 | ft = mlx5_create_lag_demux_flow_table(ns, 0, 0); | |
5130 | if (IS_ERR(ft)) { | |
5131 | err = PTR_ERR(ft); | |
5132 | goto err_destroy_vport_lag; | |
5133 | } | |
5134 | ||
9a4ca38d | 5135 | dev->flow_db->lag_demux_ft = ft; |
7c34ec19 | 5136 | dev->lag_active = true; |
9ef9c640 AH |
5137 | return 0; |
5138 | ||
5139 | err_destroy_vport_lag: | |
5140 | mlx5_cmd_destroy_vport_lag(mdev); | |
5141 | return err; | |
5142 | } | |
5143 | ||
45f95acd | 5144 | static void mlx5_eth_lag_cleanup(struct mlx5_ib_dev *dev) |
9ef9c640 AH |
5145 | { |
5146 | struct mlx5_core_dev *mdev = dev->mdev; | |
5147 | ||
7c34ec19 AH |
5148 | if (dev->lag_active) { |
5149 | dev->lag_active = false; | |
5150 | ||
9a4ca38d MB |
5151 | mlx5_destroy_flow_table(dev->flow_db->lag_demux_ft); |
5152 | dev->flow_db->lag_demux_ft = NULL; | |
9ef9c640 AH |
5153 | |
5154 | mlx5_cmd_destroy_vport_lag(mdev); | |
5155 | } | |
5156 | } | |
5157 | ||
7fd8aefb | 5158 | static int mlx5_add_netdev_notifier(struct mlx5_ib_dev *dev, u8 port_num) |
d012f5d6 OG |
5159 | { |
5160 | int err; | |
5161 | ||
95579e78 MB |
5162 | dev->port[port_num].roce.nb.notifier_call = mlx5_netdev_event; |
5163 | err = register_netdevice_notifier(&dev->port[port_num].roce.nb); | |
d012f5d6 | 5164 | if (err) { |
95579e78 | 5165 | dev->port[port_num].roce.nb.notifier_call = NULL; |
d012f5d6 OG |
5166 | return err; |
5167 | } | |
5168 | ||
5169 | return 0; | |
5170 | } | |
5171 | ||
7fd8aefb | 5172 | static void mlx5_remove_netdev_notifier(struct mlx5_ib_dev *dev, u8 port_num) |
5ec8c83e | 5173 | { |
95579e78 MB |
5174 | if (dev->port[port_num].roce.nb.notifier_call) { |
5175 | unregister_netdevice_notifier(&dev->port[port_num].roce.nb); | |
5176 | dev->port[port_num].roce.nb.notifier_call = NULL; | |
5ec8c83e AH |
5177 | } |
5178 | } | |
5179 | ||
e3f1ed1f | 5180 | static int mlx5_enable_eth(struct mlx5_ib_dev *dev) |
fc24fc5e | 5181 | { |
e53505a8 AS |
5182 | int err; |
5183 | ||
ca5b91d6 OG |
5184 | if (MLX5_CAP_GEN(dev->mdev, roce)) { |
5185 | err = mlx5_nic_vport_enable_roce(dev->mdev); | |
5186 | if (err) | |
8e6efa3a | 5187 | return err; |
ca5b91d6 | 5188 | } |
e53505a8 | 5189 | |
45f95acd | 5190 | err = mlx5_eth_lag_init(dev); |
9ef9c640 AH |
5191 | if (err) |
5192 | goto err_disable_roce; | |
5193 | ||
e53505a8 AS |
5194 | return 0; |
5195 | ||
9ef9c640 | 5196 | err_disable_roce: |
ca5b91d6 OG |
5197 | if (MLX5_CAP_GEN(dev->mdev, roce)) |
5198 | mlx5_nic_vport_disable_roce(dev->mdev); | |
9ef9c640 | 5199 | |
e53505a8 | 5200 | return err; |
fc24fc5e AS |
5201 | } |
5202 | ||
45f95acd | 5203 | static void mlx5_disable_eth(struct mlx5_ib_dev *dev) |
fc24fc5e | 5204 | { |
45f95acd | 5205 | mlx5_eth_lag_cleanup(dev); |
ca5b91d6 OG |
5206 | if (MLX5_CAP_GEN(dev->mdev, roce)) |
5207 | mlx5_nic_vport_disable_roce(dev->mdev); | |
fc24fc5e AS |
5208 | } |
5209 | ||
e1f24a79 | 5210 | struct mlx5_ib_counter { |
7c16f477 KH |
5211 | const char *name; |
5212 | size_t offset; | |
5213 | }; | |
5214 | ||
5215 | #define INIT_Q_COUNTER(_name) \ | |
5216 | { .name = #_name, .offset = MLX5_BYTE_OFF(query_q_counter_out, _name)} | |
5217 | ||
e1f24a79 | 5218 | static const struct mlx5_ib_counter basic_q_cnts[] = { |
7c16f477 KH |
5219 | INIT_Q_COUNTER(rx_write_requests), |
5220 | INIT_Q_COUNTER(rx_read_requests), | |
5221 | INIT_Q_COUNTER(rx_atomic_requests), | |
5222 | INIT_Q_COUNTER(out_of_buffer), | |
5223 | }; | |
5224 | ||
e1f24a79 | 5225 | static const struct mlx5_ib_counter out_of_seq_q_cnts[] = { |
7c16f477 KH |
5226 | INIT_Q_COUNTER(out_of_sequence), |
5227 | }; | |
5228 | ||
e1f24a79 | 5229 | static const struct mlx5_ib_counter retrans_q_cnts[] = { |
7c16f477 KH |
5230 | INIT_Q_COUNTER(duplicate_request), |
5231 | INIT_Q_COUNTER(rnr_nak_retry_err), | |
5232 | INIT_Q_COUNTER(packet_seq_err), | |
5233 | INIT_Q_COUNTER(implied_nak_seq_err), | |
5234 | INIT_Q_COUNTER(local_ack_timeout_err), | |
5235 | }; | |
5236 | ||
e1f24a79 PP |
5237 | #define INIT_CONG_COUNTER(_name) \ |
5238 | { .name = #_name, .offset = \ | |
5239 | MLX5_BYTE_OFF(query_cong_statistics_out, _name ## _high)} | |
5240 | ||
5241 | static const struct mlx5_ib_counter cong_cnts[] = { | |
5242 | INIT_CONG_COUNTER(rp_cnp_ignored), | |
5243 | INIT_CONG_COUNTER(rp_cnp_handled), | |
5244 | INIT_CONG_COUNTER(np_ecn_marked_roce_packets), | |
5245 | INIT_CONG_COUNTER(np_cnp_sent), | |
5246 | }; | |
5247 | ||
58dcb60a PP |
5248 | static const struct mlx5_ib_counter extended_err_cnts[] = { |
5249 | INIT_Q_COUNTER(resp_local_length_error), | |
5250 | INIT_Q_COUNTER(resp_cqe_error), | |
5251 | INIT_Q_COUNTER(req_cqe_error), | |
5252 | INIT_Q_COUNTER(req_remote_invalid_request), | |
5253 | INIT_Q_COUNTER(req_remote_access_errors), | |
5254 | INIT_Q_COUNTER(resp_remote_access_errors), | |
5255 | INIT_Q_COUNTER(resp_cqe_flush_error), | |
5256 | INIT_Q_COUNTER(req_cqe_flush_error), | |
5257 | }; | |
5258 | ||
9f876f3d TB |
5259 | #define INIT_EXT_PPCNT_COUNTER(_name) \ |
5260 | { .name = #_name, .offset = \ | |
5261 | MLX5_BYTE_OFF(ppcnt_reg, \ | |
5262 | counter_set.eth_extended_cntrs_grp_data_layout._name##_high)} | |
5263 | ||
5264 | static const struct mlx5_ib_counter ext_ppcnt_cnts[] = { | |
5265 | INIT_EXT_PPCNT_COUNTER(rx_icrc_encapsulated), | |
5266 | }; | |
5267 | ||
e1f24a79 | 5268 | static void mlx5_ib_dealloc_counters(struct mlx5_ib_dev *dev) |
0837e86a | 5269 | { |
aac4492e | 5270 | int i; |
0837e86a | 5271 | |
7c16f477 | 5272 | for (i = 0; i < dev->num_ports; i++) { |
921c0f5b | 5273 | if (dev->port[i].cnts.set_id_valid) |
aac4492e DJ |
5274 | mlx5_core_dealloc_q_counter(dev->mdev, |
5275 | dev->port[i].cnts.set_id); | |
e1f24a79 PP |
5276 | kfree(dev->port[i].cnts.names); |
5277 | kfree(dev->port[i].cnts.offsets); | |
7c16f477 KH |
5278 | } |
5279 | } | |
5280 | ||
e1f24a79 PP |
5281 | static int __mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev, |
5282 | struct mlx5_ib_counters *cnts) | |
7c16f477 KH |
5283 | { |
5284 | u32 num_counters; | |
5285 | ||
5286 | num_counters = ARRAY_SIZE(basic_q_cnts); | |
5287 | ||
5288 | if (MLX5_CAP_GEN(dev->mdev, out_of_seq_cnt)) | |
5289 | num_counters += ARRAY_SIZE(out_of_seq_q_cnts); | |
5290 | ||
5291 | if (MLX5_CAP_GEN(dev->mdev, retransmission_q_counters)) | |
5292 | num_counters += ARRAY_SIZE(retrans_q_cnts); | |
58dcb60a PP |
5293 | |
5294 | if (MLX5_CAP_GEN(dev->mdev, enhanced_error_q_counters)) | |
5295 | num_counters += ARRAY_SIZE(extended_err_cnts); | |
5296 | ||
e1f24a79 | 5297 | cnts->num_q_counters = num_counters; |
7c16f477 | 5298 | |
e1f24a79 PP |
5299 | if (MLX5_CAP_GEN(dev->mdev, cc_query_allowed)) { |
5300 | cnts->num_cong_counters = ARRAY_SIZE(cong_cnts); | |
5301 | num_counters += ARRAY_SIZE(cong_cnts); | |
5302 | } | |
9f876f3d TB |
5303 | if (MLX5_CAP_PCAM_FEATURE(dev->mdev, rx_icrc_encapsulated_counter)) { |
5304 | cnts->num_ext_ppcnt_counters = ARRAY_SIZE(ext_ppcnt_cnts); | |
5305 | num_counters += ARRAY_SIZE(ext_ppcnt_cnts); | |
5306 | } | |
e1f24a79 PP |
5307 | cnts->names = kcalloc(num_counters, sizeof(cnts->names), GFP_KERNEL); |
5308 | if (!cnts->names) | |
7c16f477 KH |
5309 | return -ENOMEM; |
5310 | ||
e1f24a79 PP |
5311 | cnts->offsets = kcalloc(num_counters, |
5312 | sizeof(cnts->offsets), GFP_KERNEL); | |
5313 | if (!cnts->offsets) | |
7c16f477 KH |
5314 | goto err_names; |
5315 | ||
7c16f477 KH |
5316 | return 0; |
5317 | ||
5318 | err_names: | |
e1f24a79 | 5319 | kfree(cnts->names); |
aac4492e | 5320 | cnts->names = NULL; |
7c16f477 KH |
5321 | return -ENOMEM; |
5322 | } | |
5323 | ||
e1f24a79 PP |
5324 | static void mlx5_ib_fill_counters(struct mlx5_ib_dev *dev, |
5325 | const char **names, | |
5326 | size_t *offsets) | |
7c16f477 KH |
5327 | { |
5328 | int i; | |
5329 | int j = 0; | |
5330 | ||
5331 | for (i = 0; i < ARRAY_SIZE(basic_q_cnts); i++, j++) { | |
5332 | names[j] = basic_q_cnts[i].name; | |
5333 | offsets[j] = basic_q_cnts[i].offset; | |
5334 | } | |
5335 | ||
5336 | if (MLX5_CAP_GEN(dev->mdev, out_of_seq_cnt)) { | |
5337 | for (i = 0; i < ARRAY_SIZE(out_of_seq_q_cnts); i++, j++) { | |
5338 | names[j] = out_of_seq_q_cnts[i].name; | |
5339 | offsets[j] = out_of_seq_q_cnts[i].offset; | |
5340 | } | |
5341 | } | |
5342 | ||
5343 | if (MLX5_CAP_GEN(dev->mdev, retransmission_q_counters)) { | |
5344 | for (i = 0; i < ARRAY_SIZE(retrans_q_cnts); i++, j++) { | |
5345 | names[j] = retrans_q_cnts[i].name; | |
5346 | offsets[j] = retrans_q_cnts[i].offset; | |
5347 | } | |
5348 | } | |
e1f24a79 | 5349 | |
58dcb60a PP |
5350 | if (MLX5_CAP_GEN(dev->mdev, enhanced_error_q_counters)) { |
5351 | for (i = 0; i < ARRAY_SIZE(extended_err_cnts); i++, j++) { | |
5352 | names[j] = extended_err_cnts[i].name; | |
5353 | offsets[j] = extended_err_cnts[i].offset; | |
5354 | } | |
5355 | } | |
5356 | ||
e1f24a79 PP |
5357 | if (MLX5_CAP_GEN(dev->mdev, cc_query_allowed)) { |
5358 | for (i = 0; i < ARRAY_SIZE(cong_cnts); i++, j++) { | |
5359 | names[j] = cong_cnts[i].name; | |
5360 | offsets[j] = cong_cnts[i].offset; | |
5361 | } | |
5362 | } | |
9f876f3d TB |
5363 | |
5364 | if (MLX5_CAP_PCAM_FEATURE(dev->mdev, rx_icrc_encapsulated_counter)) { | |
5365 | for (i = 0; i < ARRAY_SIZE(ext_ppcnt_cnts); i++, j++) { | |
5366 | names[j] = ext_ppcnt_cnts[i].name; | |
5367 | offsets[j] = ext_ppcnt_cnts[i].offset; | |
5368 | } | |
5369 | } | |
0837e86a MB |
5370 | } |
5371 | ||
e1f24a79 | 5372 | static int mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev) |
0837e86a | 5373 | { |
aac4492e | 5374 | int err = 0; |
0837e86a | 5375 | int i; |
aa74be6e YH |
5376 | bool is_shared; |
5377 | ||
5378 | is_shared = MLX5_CAP_GEN(dev->mdev, log_max_uctx) != 0; | |
0837e86a MB |
5379 | |
5380 | for (i = 0; i < dev->num_ports; i++) { | |
aac4492e DJ |
5381 | err = __mlx5_ib_alloc_counters(dev, &dev->port[i].cnts); |
5382 | if (err) | |
5383 | goto err_alloc; | |
5384 | ||
5385 | mlx5_ib_fill_counters(dev, dev->port[i].cnts.names, | |
5386 | dev->port[i].cnts.offsets); | |
7c16f477 | 5387 | |
aa74be6e YH |
5388 | err = mlx5_cmd_alloc_q_counter(dev->mdev, |
5389 | &dev->port[i].cnts.set_id, | |
5390 | is_shared ? | |
5391 | MLX5_SHARED_RESOURCE_UID : 0); | |
aac4492e | 5392 | if (err) { |
0837e86a MB |
5393 | mlx5_ib_warn(dev, |
5394 | "couldn't allocate queue counter for port %d, err %d\n", | |
aac4492e DJ |
5395 | i + 1, err); |
5396 | goto err_alloc; | |
0837e86a | 5397 | } |
aac4492e | 5398 | dev->port[i].cnts.set_id_valid = true; |
0837e86a MB |
5399 | } |
5400 | ||
5401 | return 0; | |
5402 | ||
aac4492e DJ |
5403 | err_alloc: |
5404 | mlx5_ib_dealloc_counters(dev); | |
5405 | return err; | |
0837e86a MB |
5406 | } |
5407 | ||
0ad17a8f MB |
5408 | static struct rdma_hw_stats *mlx5_ib_alloc_hw_stats(struct ib_device *ibdev, |
5409 | u8 port_num) | |
5410 | { | |
7c16f477 KH |
5411 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
5412 | struct mlx5_ib_port *port = &dev->port[port_num - 1]; | |
0ad17a8f MB |
5413 | |
5414 | /* We support only per port stats */ | |
5415 | if (port_num == 0) | |
5416 | return NULL; | |
5417 | ||
e1f24a79 PP |
5418 | return rdma_alloc_hw_stats_struct(port->cnts.names, |
5419 | port->cnts.num_q_counters + | |
9f876f3d TB |
5420 | port->cnts.num_cong_counters + |
5421 | port->cnts.num_ext_ppcnt_counters, | |
0ad17a8f MB |
5422 | RDMA_HW_STATS_DEFAULT_LIFESPAN); |
5423 | } | |
5424 | ||
aac4492e | 5425 | static int mlx5_ib_query_q_counters(struct mlx5_core_dev *mdev, |
e1f24a79 PP |
5426 | struct mlx5_ib_port *port, |
5427 | struct rdma_hw_stats *stats) | |
0ad17a8f | 5428 | { |
0ad17a8f MB |
5429 | int outlen = MLX5_ST_SZ_BYTES(query_q_counter_out); |
5430 | void *out; | |
5431 | __be32 val; | |
e1f24a79 | 5432 | int ret, i; |
0ad17a8f | 5433 | |
1b9a07ee | 5434 | out = kvzalloc(outlen, GFP_KERNEL); |
0ad17a8f MB |
5435 | if (!out) |
5436 | return -ENOMEM; | |
5437 | ||
aac4492e | 5438 | ret = mlx5_core_query_q_counter(mdev, |
e1f24a79 | 5439 | port->cnts.set_id, 0, |
0ad17a8f MB |
5440 | out, outlen); |
5441 | if (ret) | |
5442 | goto free; | |
5443 | ||
e1f24a79 PP |
5444 | for (i = 0; i < port->cnts.num_q_counters; i++) { |
5445 | val = *(__be32 *)(out + port->cnts.offsets[i]); | |
0ad17a8f MB |
5446 | stats->value[i] = (u64)be32_to_cpu(val); |
5447 | } | |
7c16f477 | 5448 | |
0ad17a8f MB |
5449 | free: |
5450 | kvfree(out); | |
e1f24a79 PP |
5451 | return ret; |
5452 | } | |
5453 | ||
9f876f3d TB |
5454 | static int mlx5_ib_query_ext_ppcnt_counters(struct mlx5_ib_dev *dev, |
5455 | struct mlx5_ib_port *port, | |
5456 | struct rdma_hw_stats *stats) | |
5457 | { | |
5458 | int offset = port->cnts.num_q_counters + port->cnts.num_cong_counters; | |
5459 | int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); | |
5460 | int ret, i; | |
5461 | void *out; | |
5462 | ||
5463 | out = kvzalloc(sz, GFP_KERNEL); | |
5464 | if (!out) | |
5465 | return -ENOMEM; | |
5466 | ||
5467 | ret = mlx5_cmd_query_ext_ppcnt_counters(dev->mdev, out); | |
5468 | if (ret) | |
5469 | goto free; | |
5470 | ||
5471 | for (i = 0; i < port->cnts.num_ext_ppcnt_counters; i++) { | |
5472 | stats->value[i + offset] = | |
5473 | be64_to_cpup((__be64 *)(out + | |
5474 | port->cnts.offsets[i + offset])); | |
5475 | } | |
5476 | ||
5477 | free: | |
5478 | kvfree(out); | |
5479 | return ret; | |
5480 | } | |
5481 | ||
e1f24a79 PP |
5482 | static int mlx5_ib_get_hw_stats(struct ib_device *ibdev, |
5483 | struct rdma_hw_stats *stats, | |
5484 | u8 port_num, int index) | |
5485 | { | |
5486 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
5487 | struct mlx5_ib_port *port = &dev->port[port_num - 1]; | |
aac4492e | 5488 | struct mlx5_core_dev *mdev; |
e1f24a79 | 5489 | int ret, num_counters; |
aac4492e | 5490 | u8 mdev_port_num; |
e1f24a79 PP |
5491 | |
5492 | if (!stats) | |
5493 | return -EINVAL; | |
5494 | ||
9f876f3d TB |
5495 | num_counters = port->cnts.num_q_counters + |
5496 | port->cnts.num_cong_counters + | |
5497 | port->cnts.num_ext_ppcnt_counters; | |
aac4492e DJ |
5498 | |
5499 | /* q_counters are per IB device, query the master mdev */ | |
5500 | ret = mlx5_ib_query_q_counters(dev->mdev, port, stats); | |
e1f24a79 PP |
5501 | if (ret) |
5502 | return ret; | |
e1f24a79 | 5503 | |
9f876f3d TB |
5504 | if (MLX5_CAP_PCAM_FEATURE(dev->mdev, rx_icrc_encapsulated_counter)) { |
5505 | ret = mlx5_ib_query_ext_ppcnt_counters(dev, port, stats); | |
5506 | if (ret) | |
5507 | return ret; | |
5508 | } | |
5509 | ||
e1f24a79 | 5510 | if (MLX5_CAP_GEN(dev->mdev, cc_query_allowed)) { |
aac4492e DJ |
5511 | mdev = mlx5_ib_get_native_port_mdev(dev, port_num, |
5512 | &mdev_port_num); | |
5513 | if (!mdev) { | |
5514 | /* If port is not affiliated yet, its in down state | |
5515 | * which doesn't have any counters yet, so it would be | |
5516 | * zero. So no need to read from the HCA. | |
5517 | */ | |
5518 | goto done; | |
5519 | } | |
71a0ff65 MD |
5520 | ret = mlx5_lag_query_cong_counters(dev->mdev, |
5521 | stats->value + | |
5522 | port->cnts.num_q_counters, | |
5523 | port->cnts.num_cong_counters, | |
5524 | port->cnts.offsets + | |
5525 | port->cnts.num_q_counters); | |
aac4492e DJ |
5526 | |
5527 | mlx5_ib_put_native_port_mdev(dev, port_num); | |
e1f24a79 PP |
5528 | if (ret) |
5529 | return ret; | |
e1f24a79 PP |
5530 | } |
5531 | ||
aac4492e | 5532 | done: |
e1f24a79 | 5533 | return num_counters; |
0ad17a8f MB |
5534 | } |
5535 | ||
f6a8a19b DD |
5536 | static int mlx5_ib_rn_get_params(struct ib_device *device, u8 port_num, |
5537 | enum rdma_netdev_t type, | |
5538 | struct rdma_netdev_alloc_params *params) | |
693dfd5a ES |
5539 | { |
5540 | if (type != RDMA_NETDEV_IPOIB) | |
f6a8a19b | 5541 | return -EOPNOTSUPP; |
693dfd5a | 5542 | |
f6a8a19b | 5543 | return mlx5_rdma_rn_get_params(to_mdev(device)->mdev, device, params); |
693dfd5a ES |
5544 | } |
5545 | ||
fe248c3a MG |
5546 | static void delay_drop_debugfs_cleanup(struct mlx5_ib_dev *dev) |
5547 | { | |
5548 | if (!dev->delay_drop.dbg) | |
5549 | return; | |
5550 | debugfs_remove_recursive(dev->delay_drop.dbg->dir_debugfs); | |
5551 | kfree(dev->delay_drop.dbg); | |
5552 | dev->delay_drop.dbg = NULL; | |
5553 | } | |
5554 | ||
03404e8a MG |
5555 | static void cancel_delay_drop(struct mlx5_ib_dev *dev) |
5556 | { | |
5557 | if (!(dev->ib_dev.attrs.raw_packet_caps & IB_RAW_PACKET_CAP_DELAY_DROP)) | |
5558 | return; | |
5559 | ||
5560 | cancel_work_sync(&dev->delay_drop.delay_drop_work); | |
fe248c3a MG |
5561 | delay_drop_debugfs_cleanup(dev); |
5562 | } | |
5563 | ||
5564 | static ssize_t delay_drop_timeout_read(struct file *filp, char __user *buf, | |
5565 | size_t count, loff_t *pos) | |
5566 | { | |
5567 | struct mlx5_ib_delay_drop *delay_drop = filp->private_data; | |
5568 | char lbuf[20]; | |
5569 | int len; | |
5570 | ||
5571 | len = snprintf(lbuf, sizeof(lbuf), "%u\n", delay_drop->timeout); | |
5572 | return simple_read_from_buffer(buf, count, pos, lbuf, len); | |
5573 | } | |
5574 | ||
5575 | static ssize_t delay_drop_timeout_write(struct file *filp, const char __user *buf, | |
5576 | size_t count, loff_t *pos) | |
5577 | { | |
5578 | struct mlx5_ib_delay_drop *delay_drop = filp->private_data; | |
5579 | u32 timeout; | |
5580 | u32 var; | |
5581 | ||
5582 | if (kstrtouint_from_user(buf, count, 0, &var)) | |
5583 | return -EFAULT; | |
5584 | ||
5585 | timeout = min_t(u32, roundup(var, 100), MLX5_MAX_DELAY_DROP_TIMEOUT_MS * | |
5586 | 1000); | |
5587 | if (timeout != var) | |
5588 | mlx5_ib_dbg(delay_drop->dev, "Round delay drop timeout to %u usec\n", | |
5589 | timeout); | |
5590 | ||
5591 | delay_drop->timeout = timeout; | |
5592 | ||
5593 | return count; | |
5594 | } | |
5595 | ||
5596 | static const struct file_operations fops_delay_drop_timeout = { | |
5597 | .owner = THIS_MODULE, | |
5598 | .open = simple_open, | |
5599 | .write = delay_drop_timeout_write, | |
5600 | .read = delay_drop_timeout_read, | |
5601 | }; | |
5602 | ||
5603 | static int delay_drop_debugfs_init(struct mlx5_ib_dev *dev) | |
5604 | { | |
5605 | struct mlx5_ib_dbg_delay_drop *dbg; | |
5606 | ||
5607 | if (!mlx5_debugfs_root) | |
5608 | return 0; | |
5609 | ||
5610 | dbg = kzalloc(sizeof(*dbg), GFP_KERNEL); | |
5611 | if (!dbg) | |
5612 | return -ENOMEM; | |
5613 | ||
cbafad87 SM |
5614 | dev->delay_drop.dbg = dbg; |
5615 | ||
fe248c3a MG |
5616 | dbg->dir_debugfs = |
5617 | debugfs_create_dir("delay_drop", | |
5618 | dev->mdev->priv.dbg_root); | |
5619 | if (!dbg->dir_debugfs) | |
cbafad87 | 5620 | goto out_debugfs; |
fe248c3a MG |
5621 | |
5622 | dbg->events_cnt_debugfs = | |
5623 | debugfs_create_atomic_t("num_timeout_events", 0400, | |
5624 | dbg->dir_debugfs, | |
5625 | &dev->delay_drop.events_cnt); | |
5626 | if (!dbg->events_cnt_debugfs) | |
5627 | goto out_debugfs; | |
5628 | ||
5629 | dbg->rqs_cnt_debugfs = | |
5630 | debugfs_create_atomic_t("num_rqs", 0400, | |
5631 | dbg->dir_debugfs, | |
5632 | &dev->delay_drop.rqs_cnt); | |
5633 | if (!dbg->rqs_cnt_debugfs) | |
5634 | goto out_debugfs; | |
5635 | ||
5636 | dbg->timeout_debugfs = | |
5637 | debugfs_create_file("timeout", 0600, | |
5638 | dbg->dir_debugfs, | |
5639 | &dev->delay_drop, | |
5640 | &fops_delay_drop_timeout); | |
5641 | if (!dbg->timeout_debugfs) | |
5642 | goto out_debugfs; | |
5643 | ||
5644 | return 0; | |
5645 | ||
5646 | out_debugfs: | |
5647 | delay_drop_debugfs_cleanup(dev); | |
5648 | return -ENOMEM; | |
03404e8a MG |
5649 | } |
5650 | ||
5651 | static void init_delay_drop(struct mlx5_ib_dev *dev) | |
5652 | { | |
5653 | if (!(dev->ib_dev.attrs.raw_packet_caps & IB_RAW_PACKET_CAP_DELAY_DROP)) | |
5654 | return; | |
5655 | ||
5656 | mutex_init(&dev->delay_drop.lock); | |
5657 | dev->delay_drop.dev = dev; | |
5658 | dev->delay_drop.activate = false; | |
5659 | dev->delay_drop.timeout = MLX5_MAX_DELAY_DROP_TIMEOUT_MS * 1000; | |
5660 | INIT_WORK(&dev->delay_drop.delay_drop_work, delay_drop_handler); | |
fe248c3a MG |
5661 | atomic_set(&dev->delay_drop.rqs_cnt, 0); |
5662 | atomic_set(&dev->delay_drop.events_cnt, 0); | |
5663 | ||
5664 | if (delay_drop_debugfs_init(dev)) | |
5665 | mlx5_ib_warn(dev, "Failed to init delay drop debugfs\n"); | |
03404e8a MG |
5666 | } |
5667 | ||
32f69e4b DJ |
5668 | /* The mlx5_ib_multiport_mutex should be held when calling this function */ |
5669 | static void mlx5_ib_unbind_slave_port(struct mlx5_ib_dev *ibdev, | |
5670 | struct mlx5_ib_multiport_info *mpi) | |
5671 | { | |
5672 | u8 port_num = mlx5_core_native_port_num(mpi->mdev) - 1; | |
5673 | struct mlx5_ib_port *port = &ibdev->port[port_num]; | |
5674 | int comps; | |
5675 | int err; | |
5676 | int i; | |
5677 | ||
a9e546e7 PP |
5678 | mlx5_ib_cleanup_cong_debugfs(ibdev, port_num); |
5679 | ||
32f69e4b DJ |
5680 | spin_lock(&port->mp.mpi_lock); |
5681 | if (!mpi->ibdev) { | |
5682 | spin_unlock(&port->mp.mpi_lock); | |
5683 | return; | |
5684 | } | |
df097a27 SM |
5685 | |
5686 | if (mpi->mdev_events.notifier_call) | |
5687 | mlx5_notifier_unregister(mpi->mdev, &mpi->mdev_events); | |
5688 | mpi->mdev_events.notifier_call = NULL; | |
5689 | ||
32f69e4b DJ |
5690 | mpi->ibdev = NULL; |
5691 | ||
5692 | spin_unlock(&port->mp.mpi_lock); | |
5693 | mlx5_remove_netdev_notifier(ibdev, port_num); | |
5694 | spin_lock(&port->mp.mpi_lock); | |
5695 | ||
5696 | comps = mpi->mdev_refcnt; | |
5697 | if (comps) { | |
5698 | mpi->unaffiliate = true; | |
5699 | init_completion(&mpi->unref_comp); | |
5700 | spin_unlock(&port->mp.mpi_lock); | |
5701 | ||
5702 | for (i = 0; i < comps; i++) | |
5703 | wait_for_completion(&mpi->unref_comp); | |
5704 | ||
5705 | spin_lock(&port->mp.mpi_lock); | |
5706 | mpi->unaffiliate = false; | |
5707 | } | |
5708 | ||
5709 | port->mp.mpi = NULL; | |
5710 | ||
5711 | list_add_tail(&mpi->list, &mlx5_ib_unaffiliated_port_list); | |
5712 | ||
5713 | spin_unlock(&port->mp.mpi_lock); | |
5714 | ||
5715 | err = mlx5_nic_vport_unaffiliate_multiport(mpi->mdev); | |
5716 | ||
5717 | mlx5_ib_dbg(ibdev, "unaffiliated port %d\n", port_num + 1); | |
5718 | /* Log an error, still needed to cleanup the pointers and add | |
5719 | * it back to the list. | |
5720 | */ | |
5721 | if (err) | |
5722 | mlx5_ib_err(ibdev, "Failed to unaffiliate port %u\n", | |
5723 | port_num + 1); | |
5724 | ||
95579e78 | 5725 | ibdev->port[port_num].roce.last_port_state = IB_PORT_DOWN; |
32f69e4b DJ |
5726 | } |
5727 | ||
5728 | /* The mlx5_ib_multiport_mutex should be held when calling this function */ | |
5729 | static bool mlx5_ib_bind_slave_port(struct mlx5_ib_dev *ibdev, | |
5730 | struct mlx5_ib_multiport_info *mpi) | |
5731 | { | |
5732 | u8 port_num = mlx5_core_native_port_num(mpi->mdev) - 1; | |
5733 | int err; | |
5734 | ||
5735 | spin_lock(&ibdev->port[port_num].mp.mpi_lock); | |
5736 | if (ibdev->port[port_num].mp.mpi) { | |
2577188e QH |
5737 | mlx5_ib_dbg(ibdev, "port %d already affiliated.\n", |
5738 | port_num + 1); | |
32f69e4b DJ |
5739 | spin_unlock(&ibdev->port[port_num].mp.mpi_lock); |
5740 | return false; | |
5741 | } | |
5742 | ||
5743 | ibdev->port[port_num].mp.mpi = mpi; | |
5744 | mpi->ibdev = ibdev; | |
df097a27 | 5745 | mpi->mdev_events.notifier_call = NULL; |
32f69e4b DJ |
5746 | spin_unlock(&ibdev->port[port_num].mp.mpi_lock); |
5747 | ||
5748 | err = mlx5_nic_vport_affiliate_multiport(ibdev->mdev, mpi->mdev); | |
5749 | if (err) | |
5750 | goto unbind; | |
5751 | ||
5752 | err = get_port_caps(ibdev, mlx5_core_native_port_num(mpi->mdev)); | |
5753 | if (err) | |
5754 | goto unbind; | |
5755 | ||
5756 | err = mlx5_add_netdev_notifier(ibdev, port_num); | |
5757 | if (err) { | |
5758 | mlx5_ib_err(ibdev, "failed adding netdev notifier for port %u\n", | |
5759 | port_num + 1); | |
5760 | goto unbind; | |
5761 | } | |
5762 | ||
df097a27 SM |
5763 | mpi->mdev_events.notifier_call = mlx5_ib_event_slave_port; |
5764 | mlx5_notifier_register(mpi->mdev, &mpi->mdev_events); | |
5765 | ||
73eb8f03 | 5766 | mlx5_ib_init_cong_debugfs(ibdev, port_num); |
a9e546e7 | 5767 | |
32f69e4b DJ |
5768 | return true; |
5769 | ||
5770 | unbind: | |
5771 | mlx5_ib_unbind_slave_port(ibdev, mpi); | |
5772 | return false; | |
5773 | } | |
5774 | ||
5775 | static int mlx5_ib_init_multiport_master(struct mlx5_ib_dev *dev) | |
5776 | { | |
5777 | int port_num = mlx5_core_native_port_num(dev->mdev) - 1; | |
5778 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev, | |
5779 | port_num + 1); | |
5780 | struct mlx5_ib_multiport_info *mpi; | |
5781 | int err; | |
5782 | int i; | |
5783 | ||
5784 | if (!mlx5_core_is_mp_master(dev->mdev) || ll != IB_LINK_LAYER_ETHERNET) | |
5785 | return 0; | |
5786 | ||
5787 | err = mlx5_query_nic_vport_system_image_guid(dev->mdev, | |
5788 | &dev->sys_image_guid); | |
5789 | if (err) | |
5790 | return err; | |
5791 | ||
5792 | err = mlx5_nic_vport_enable_roce(dev->mdev); | |
5793 | if (err) | |
5794 | return err; | |
5795 | ||
5796 | mutex_lock(&mlx5_ib_multiport_mutex); | |
5797 | for (i = 0; i < dev->num_ports; i++) { | |
5798 | bool bound = false; | |
5799 | ||
5800 | /* build a stub multiport info struct for the native port. */ | |
5801 | if (i == port_num) { | |
5802 | mpi = kzalloc(sizeof(*mpi), GFP_KERNEL); | |
5803 | if (!mpi) { | |
5804 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
5805 | mlx5_nic_vport_disable_roce(dev->mdev); | |
5806 | return -ENOMEM; | |
5807 | } | |
5808 | ||
5809 | mpi->is_master = true; | |
5810 | mpi->mdev = dev->mdev; | |
5811 | mpi->sys_image_guid = dev->sys_image_guid; | |
5812 | dev->port[i].mp.mpi = mpi; | |
5813 | mpi->ibdev = dev; | |
5814 | mpi = NULL; | |
5815 | continue; | |
5816 | } | |
5817 | ||
5818 | list_for_each_entry(mpi, &mlx5_ib_unaffiliated_port_list, | |
5819 | list) { | |
5820 | if (dev->sys_image_guid == mpi->sys_image_guid && | |
5821 | (mlx5_core_native_port_num(mpi->mdev) - 1) == i) { | |
5822 | bound = mlx5_ib_bind_slave_port(dev, mpi); | |
5823 | } | |
5824 | ||
5825 | if (bound) { | |
c42260f1 VP |
5826 | dev_dbg(mpi->mdev->device, |
5827 | "removing port from unaffiliated list.\n"); | |
32f69e4b DJ |
5828 | mlx5_ib_dbg(dev, "port %d bound\n", i + 1); |
5829 | list_del(&mpi->list); | |
5830 | break; | |
5831 | } | |
5832 | } | |
5833 | if (!bound) { | |
5834 | get_port_caps(dev, i + 1); | |
5835 | mlx5_ib_dbg(dev, "no free port found for port %d\n", | |
5836 | i + 1); | |
5837 | } | |
5838 | } | |
5839 | ||
5840 | list_add_tail(&dev->ib_dev_list, &mlx5_ib_dev_list); | |
5841 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
5842 | return err; | |
5843 | } | |
5844 | ||
5845 | static void mlx5_ib_cleanup_multiport_master(struct mlx5_ib_dev *dev) | |
5846 | { | |
5847 | int port_num = mlx5_core_native_port_num(dev->mdev) - 1; | |
5848 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev, | |
5849 | port_num + 1); | |
5850 | int i; | |
5851 | ||
5852 | if (!mlx5_core_is_mp_master(dev->mdev) || ll != IB_LINK_LAYER_ETHERNET) | |
5853 | return; | |
5854 | ||
5855 | mutex_lock(&mlx5_ib_multiport_mutex); | |
5856 | for (i = 0; i < dev->num_ports; i++) { | |
5857 | if (dev->port[i].mp.mpi) { | |
5858 | /* Destroy the native port stub */ | |
5859 | if (i == port_num) { | |
5860 | kfree(dev->port[i].mp.mpi); | |
5861 | dev->port[i].mp.mpi = NULL; | |
5862 | } else { | |
5863 | mlx5_ib_dbg(dev, "unbinding port_num: %d\n", i + 1); | |
5864 | mlx5_ib_unbind_slave_port(dev, dev->port[i].mp.mpi); | |
5865 | } | |
5866 | } | |
5867 | } | |
5868 | ||
5869 | mlx5_ib_dbg(dev, "removing from devlist\n"); | |
5870 | list_del(&dev->ib_dev_list); | |
5871 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
5872 | ||
5873 | mlx5_nic_vport_disable_roce(dev->mdev); | |
5874 | } | |
5875 | ||
9a119cd5 JG |
5876 | ADD_UVERBS_ATTRIBUTES_SIMPLE( |
5877 | mlx5_ib_dm, | |
5878 | UVERBS_OBJECT_DM, | |
5879 | UVERBS_METHOD_DM_ALLOC, | |
5880 | UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET, | |
5881 | UVERBS_ATTR_TYPE(u64), | |
83bb4442 | 5882 | UA_MANDATORY), |
9a119cd5 JG |
5883 | UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX, |
5884 | UVERBS_ATTR_TYPE(u16), | |
3b113a1e AL |
5885 | UA_OPTIONAL), |
5886 | UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_ALLOC_DM_REQ_TYPE, | |
5887 | enum mlx5_ib_uapi_dm_type, | |
5888 | UA_OPTIONAL)); | |
9a119cd5 JG |
5889 | |
5890 | ADD_UVERBS_ATTRIBUTES_SIMPLE( | |
5891 | mlx5_ib_flow_action, | |
5892 | UVERBS_OBJECT_FLOW_ACTION, | |
5893 | UVERBS_METHOD_FLOW_ACTION_ESP_CREATE, | |
bccd0622 JG |
5894 | UVERBS_ATTR_FLAGS_IN(MLX5_IB_ATTR_CREATE_FLOW_ACTION_FLAGS, |
5895 | enum mlx5_ib_uapi_flow_action_flags)); | |
c6475a0b | 5896 | |
0cbf432d JG |
5897 | static const struct uapi_definition mlx5_ib_defs[] = { |
5898 | #if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS) | |
36e235c8 | 5899 | UAPI_DEF_CHAIN(mlx5_ib_devx_defs), |
0cbf432d JG |
5900 | UAPI_DEF_CHAIN(mlx5_ib_flow_defs), |
5901 | #endif | |
8c84660b | 5902 | |
0cbf432d JG |
5903 | UAPI_DEF_CHAIN_OBJ_TREE(UVERBS_OBJECT_FLOW_ACTION, |
5904 | &mlx5_ib_flow_action), | |
5905 | UAPI_DEF_CHAIN_OBJ_TREE(UVERBS_OBJECT_DM, &mlx5_ib_dm), | |
5906 | {} | |
5907 | }; | |
8c84660b | 5908 | |
1a1e03dc RS |
5909 | static int mlx5_ib_read_counters(struct ib_counters *counters, |
5910 | struct ib_counters_read_attr *read_attr, | |
5911 | struct uverbs_attr_bundle *attrs) | |
5912 | { | |
5913 | struct mlx5_ib_mcounters *mcounters = to_mcounters(counters); | |
5914 | struct mlx5_read_counters_attr mread_attr = {}; | |
5915 | struct mlx5_ib_flow_counters_desc *desc; | |
5916 | int ret, i; | |
5917 | ||
5918 | mutex_lock(&mcounters->mcntrs_mutex); | |
5919 | if (mcounters->cntrs_max_index > read_attr->ncounters) { | |
5920 | ret = -EINVAL; | |
5921 | goto err_bound; | |
5922 | } | |
5923 | ||
5924 | mread_attr.out = kcalloc(mcounters->counters_num, sizeof(u64), | |
5925 | GFP_KERNEL); | |
5926 | if (!mread_attr.out) { | |
5927 | ret = -ENOMEM; | |
5928 | goto err_bound; | |
5929 | } | |
5930 | ||
5931 | mread_attr.hw_cntrs_hndl = mcounters->hw_cntrs_hndl; | |
5932 | mread_attr.flags = read_attr->flags; | |
5933 | ret = mcounters->read_counters(counters->device, &mread_attr); | |
5934 | if (ret) | |
5935 | goto err_read; | |
5936 | ||
5937 | /* do the pass over the counters data array to assign according to the | |
5938 | * descriptions and indexing pairs | |
5939 | */ | |
5940 | desc = mcounters->counters_data; | |
5941 | for (i = 0; i < mcounters->ncounters; i++) | |
5942 | read_attr->counters_buff[desc[i].index] += mread_attr.out[desc[i].description]; | |
5943 | ||
5944 | err_read: | |
5945 | kfree(mread_attr.out); | |
5946 | err_bound: | |
5947 | mutex_unlock(&mcounters->mcntrs_mutex); | |
5948 | return ret; | |
5949 | } | |
5950 | ||
b29e2a13 RS |
5951 | static int mlx5_ib_destroy_counters(struct ib_counters *counters) |
5952 | { | |
5953 | struct mlx5_ib_mcounters *mcounters = to_mcounters(counters); | |
5954 | ||
3b3233fb RS |
5955 | counters_clear_description(counters); |
5956 | if (mcounters->hw_cntrs_hndl) | |
5957 | mlx5_fc_destroy(to_mdev(counters->device)->mdev, | |
5958 | mcounters->hw_cntrs_hndl); | |
5959 | ||
b29e2a13 RS |
5960 | kfree(mcounters); |
5961 | ||
5962 | return 0; | |
5963 | } | |
5964 | ||
5965 | static struct ib_counters *mlx5_ib_create_counters(struct ib_device *device, | |
5966 | struct uverbs_attr_bundle *attrs) | |
5967 | { | |
5968 | struct mlx5_ib_mcounters *mcounters; | |
5969 | ||
5970 | mcounters = kzalloc(sizeof(*mcounters), GFP_KERNEL); | |
5971 | if (!mcounters) | |
5972 | return ERR_PTR(-ENOMEM); | |
5973 | ||
3b3233fb RS |
5974 | mutex_init(&mcounters->mcntrs_mutex); |
5975 | ||
b29e2a13 RS |
5976 | return &mcounters->ibcntrs; |
5977 | } | |
5978 | ||
fb652d32 | 5979 | static void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev) |
e126ba97 | 5980 | { |
25c13324 AL |
5981 | struct mlx5_core_dev *mdev = dev->mdev; |
5982 | ||
32f69e4b | 5983 | mlx5_ib_cleanup_multiport_master(dev); |
13859d5d | 5984 | if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) { |
534fd7aa | 5985 | srcu_barrier(&dev->mr_srcu); |
13859d5d | 5986 | cleanup_srcu_struct(&dev->mr_srcu); |
13859d5d | 5987 | } |
4056b12e AL |
5988 | |
5989 | WARN_ON(!bitmap_empty(dev->dm.memic_alloc_pages, MLX5_MAX_MEMIC_PAGES)); | |
25c13324 AL |
5990 | |
5991 | WARN_ON(dev->dm.steering_sw_icm_alloc_blocks && | |
5992 | !bitmap_empty( | |
5993 | dev->dm.steering_sw_icm_alloc_blocks, | |
5994 | BIT(MLX5_CAP_DEV_MEM(mdev, log_steering_sw_icm_size) - | |
5995 | MLX5_LOG_SW_ICM_BLOCK_SIZE(mdev)))); | |
5996 | ||
5997 | kfree(dev->dm.steering_sw_icm_alloc_blocks); | |
5998 | ||
5999 | WARN_ON(dev->dm.header_modify_sw_icm_alloc_blocks && | |
6000 | !bitmap_empty(dev->dm.header_modify_sw_icm_alloc_blocks, | |
6001 | BIT(MLX5_CAP_DEV_MEM( | |
6002 | mdev, log_header_modify_sw_icm_size) - | |
6003 | MLX5_LOG_SW_ICM_BLOCK_SIZE(mdev)))); | |
6004 | ||
6005 | kfree(dev->dm.header_modify_sw_icm_alloc_blocks); | |
16c1975f MB |
6006 | } |
6007 | ||
fb652d32 | 6008 | static int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
6009 | { |
6010 | struct mlx5_core_dev *mdev = dev->mdev; | |
25c13324 AL |
6011 | u64 header_modify_icm_blocks = 0; |
6012 | u64 steering_icm_blocks = 0; | |
e126ba97 | 6013 | int err; |
32f69e4b | 6014 | int i; |
e126ba97 | 6015 | |
32f69e4b DJ |
6016 | for (i = 0; i < dev->num_ports; i++) { |
6017 | spin_lock_init(&dev->port[i].mp.mpi_lock); | |
95579e78 | 6018 | rwlock_init(&dev->port[i].roce.netdev_lock); |
d3b5cc1c MB |
6019 | dev->port[i].roce.dev = dev; |
6020 | dev->port[i].roce.native_port_num = i + 1; | |
6021 | dev->port[i].roce.last_port_state = IB_PORT_DOWN; | |
32f69e4b DJ |
6022 | } |
6023 | ||
6024 | err = mlx5_ib_init_multiport_master(dev); | |
e126ba97 | 6025 | if (err) |
da796ccb | 6026 | return err; |
e126ba97 | 6027 | |
a989ea01 MB |
6028 | err = set_has_smi_cap(dev); |
6029 | if (err) | |
6030 | return err; | |
e126ba97 | 6031 | |
32f69e4b | 6032 | if (!mlx5_core_mp_enabled(mdev)) { |
32f69e4b DJ |
6033 | for (i = 1; i <= dev->num_ports; i++) { |
6034 | err = get_port_caps(dev, i); | |
6035 | if (err) | |
6036 | break; | |
6037 | } | |
6038 | } else { | |
6039 | err = get_port_caps(dev, mlx5_core_native_port_num(mdev)); | |
6040 | } | |
6041 | if (err) | |
6042 | goto err_mp; | |
6043 | ||
1b5daf11 MD |
6044 | if (mlx5_use_mad_ifc(dev)) |
6045 | get_ext_port_caps(dev); | |
e126ba97 | 6046 | |
e126ba97 EC |
6047 | dev->ib_dev.owner = THIS_MODULE; |
6048 | dev->ib_dev.node_type = RDMA_NODE_IB_CA; | |
c6790aa9 | 6049 | dev->ib_dev.local_dma_lkey = 0 /* not supported for now */; |
508562d6 | 6050 | dev->ib_dev.phys_port_cnt = dev->num_ports; |
f2f3df55 | 6051 | dev->ib_dev.num_comp_vectors = mlx5_comp_vectors_count(mdev); |
c42260f1 | 6052 | dev->ib_dev.dev.parent = mdev->device; |
e126ba97 | 6053 | |
3cc297db MB |
6054 | mutex_init(&dev->cap_mask_mutex); |
6055 | INIT_LIST_HEAD(&dev->qp_list); | |
6056 | spin_lock_init(&dev->reset_flow_resource_lock); | |
6057 | ||
25c13324 AL |
6058 | if (MLX5_CAP_GEN_64(mdev, general_obj_types) & |
6059 | MLX5_GENERAL_OBJ_TYPES_CAP_SW_ICM) { | |
6060 | if (MLX5_CAP64_DEV_MEM(mdev, steering_sw_icm_start_address)) { | |
6061 | steering_icm_blocks = | |
6062 | BIT(MLX5_CAP_DEV_MEM(mdev, | |
6063 | log_steering_sw_icm_size) - | |
6064 | MLX5_LOG_SW_ICM_BLOCK_SIZE(mdev)); | |
6065 | ||
6066 | dev->dm.steering_sw_icm_alloc_blocks = | |
6067 | kcalloc(BITS_TO_LONGS(steering_icm_blocks), | |
6068 | sizeof(unsigned long), GFP_KERNEL); | |
6069 | if (!dev->dm.steering_sw_icm_alloc_blocks) | |
6070 | goto err_mp; | |
6071 | } | |
6072 | ||
6073 | if (MLX5_CAP64_DEV_MEM(mdev, | |
6074 | header_modify_sw_icm_start_address)) { | |
6075 | header_modify_icm_blocks = BIT( | |
6076 | MLX5_CAP_DEV_MEM( | |
6077 | mdev, log_header_modify_sw_icm_size) - | |
6078 | MLX5_LOG_SW_ICM_BLOCK_SIZE(mdev)); | |
6079 | ||
6080 | dev->dm.header_modify_sw_icm_alloc_blocks = | |
6081 | kcalloc(BITS_TO_LONGS(header_modify_icm_blocks), | |
6082 | sizeof(unsigned long), GFP_KERNEL); | |
6083 | if (!dev->dm.header_modify_sw_icm_alloc_blocks) | |
6084 | goto err_dm; | |
6085 | } | |
6086 | } | |
6087 | ||
3b113a1e AL |
6088 | spin_lock_init(&dev->dm.lock); |
6089 | dev->dm.dev = mdev; | |
24da0016 | 6090 | |
13859d5d | 6091 | if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) { |
13859d5d | 6092 | err = init_srcu_struct(&dev->mr_srcu); |
a6bc3875 | 6093 | if (err) |
25c13324 | 6094 | goto err_dm; |
623d1543 | 6095 | } |
3cc297db | 6096 | |
16c1975f | 6097 | return 0; |
25c13324 AL |
6098 | |
6099 | err_dm: | |
6100 | kfree(dev->dm.steering_sw_icm_alloc_blocks); | |
6101 | kfree(dev->dm.header_modify_sw_icm_alloc_blocks); | |
6102 | ||
32f69e4b DJ |
6103 | err_mp: |
6104 | mlx5_ib_cleanup_multiport_master(dev); | |
16c1975f | 6105 | |
16c1975f MB |
6106 | return -ENOMEM; |
6107 | } | |
6108 | ||
9a4ca38d MB |
6109 | static int mlx5_ib_stage_flow_db_init(struct mlx5_ib_dev *dev) |
6110 | { | |
6111 | dev->flow_db = kzalloc(sizeof(*dev->flow_db), GFP_KERNEL); | |
6112 | ||
6113 | if (!dev->flow_db) | |
6114 | return -ENOMEM; | |
6115 | ||
6116 | mutex_init(&dev->flow_db->lock); | |
6117 | ||
6118 | return 0; | |
6119 | } | |
6120 | ||
6121 | static void mlx5_ib_stage_flow_db_cleanup(struct mlx5_ib_dev *dev) | |
6122 | { | |
6123 | kfree(dev->flow_db); | |
6124 | } | |
6125 | ||
96458233 | 6126 | static const struct ib_device_ops mlx5_ib_dev_ops = { |
b9560a41 JG |
6127 | .driver_id = RDMA_DRIVER_MLX5, |
6128 | ||
96458233 KH |
6129 | .add_gid = mlx5_ib_add_gid, |
6130 | .alloc_mr = mlx5_ib_alloc_mr, | |
6131 | .alloc_pd = mlx5_ib_alloc_pd, | |
6132 | .alloc_ucontext = mlx5_ib_alloc_ucontext, | |
6133 | .attach_mcast = mlx5_ib_mcg_attach, | |
6134 | .check_mr_status = mlx5_ib_check_mr_status, | |
6135 | .create_ah = mlx5_ib_create_ah, | |
6136 | .create_counters = mlx5_ib_create_counters, | |
6137 | .create_cq = mlx5_ib_create_cq, | |
6138 | .create_flow = mlx5_ib_create_flow, | |
6139 | .create_qp = mlx5_ib_create_qp, | |
6140 | .create_srq = mlx5_ib_create_srq, | |
6141 | .dealloc_pd = mlx5_ib_dealloc_pd, | |
6142 | .dealloc_ucontext = mlx5_ib_dealloc_ucontext, | |
6143 | .del_gid = mlx5_ib_del_gid, | |
6144 | .dereg_mr = mlx5_ib_dereg_mr, | |
6145 | .destroy_ah = mlx5_ib_destroy_ah, | |
6146 | .destroy_counters = mlx5_ib_destroy_counters, | |
6147 | .destroy_cq = mlx5_ib_destroy_cq, | |
6148 | .destroy_flow = mlx5_ib_destroy_flow, | |
6149 | .destroy_flow_action = mlx5_ib_destroy_flow_action, | |
6150 | .destroy_qp = mlx5_ib_destroy_qp, | |
6151 | .destroy_srq = mlx5_ib_destroy_srq, | |
6152 | .detach_mcast = mlx5_ib_mcg_detach, | |
6153 | .disassociate_ucontext = mlx5_ib_disassociate_ucontext, | |
6154 | .drain_rq = mlx5_ib_drain_rq, | |
6155 | .drain_sq = mlx5_ib_drain_sq, | |
6156 | .get_dev_fw_str = get_dev_fw_str, | |
6157 | .get_dma_mr = mlx5_ib_get_dma_mr, | |
6158 | .get_link_layer = mlx5_ib_port_link_layer, | |
6159 | .map_mr_sg = mlx5_ib_map_mr_sg, | |
6160 | .mmap = mlx5_ib_mmap, | |
6161 | .modify_cq = mlx5_ib_modify_cq, | |
6162 | .modify_device = mlx5_ib_modify_device, | |
6163 | .modify_port = mlx5_ib_modify_port, | |
6164 | .modify_qp = mlx5_ib_modify_qp, | |
6165 | .modify_srq = mlx5_ib_modify_srq, | |
6166 | .poll_cq = mlx5_ib_poll_cq, | |
6167 | .post_recv = mlx5_ib_post_recv, | |
6168 | .post_send = mlx5_ib_post_send, | |
6169 | .post_srq_recv = mlx5_ib_post_srq_recv, | |
6170 | .process_mad = mlx5_ib_process_mad, | |
6171 | .query_ah = mlx5_ib_query_ah, | |
6172 | .query_device = mlx5_ib_query_device, | |
6173 | .query_gid = mlx5_ib_query_gid, | |
6174 | .query_pkey = mlx5_ib_query_pkey, | |
6175 | .query_qp = mlx5_ib_query_qp, | |
6176 | .query_srq = mlx5_ib_query_srq, | |
6177 | .read_counters = mlx5_ib_read_counters, | |
6178 | .reg_user_mr = mlx5_ib_reg_user_mr, | |
6179 | .req_notify_cq = mlx5_ib_arm_cq, | |
6180 | .rereg_user_mr = mlx5_ib_rereg_user_mr, | |
6181 | .resize_cq = mlx5_ib_resize_cq, | |
d3456914 LR |
6182 | |
6183 | INIT_RDMA_OBJ_SIZE(ib_ah, mlx5_ib_ah, ibah), | |
21a428a0 | 6184 | INIT_RDMA_OBJ_SIZE(ib_pd, mlx5_ib_pd, ibpd), |
68e326de | 6185 | INIT_RDMA_OBJ_SIZE(ib_srq, mlx5_ib_srq, ibsrq), |
a2a074ef | 6186 | INIT_RDMA_OBJ_SIZE(ib_ucontext, mlx5_ib_ucontext, ibucontext), |
96458233 KH |
6187 | }; |
6188 | ||
6189 | static const struct ib_device_ops mlx5_ib_dev_flow_ipsec_ops = { | |
6190 | .create_flow_action_esp = mlx5_ib_create_flow_action_esp, | |
6191 | .modify_flow_action_esp = mlx5_ib_modify_flow_action_esp, | |
6192 | }; | |
6193 | ||
6194 | static const struct ib_device_ops mlx5_ib_dev_ipoib_enhanced_ops = { | |
6195 | .rdma_netdev_get_params = mlx5_ib_rn_get_params, | |
6196 | }; | |
6197 | ||
6198 | static const struct ib_device_ops mlx5_ib_dev_sriov_ops = { | |
6199 | .get_vf_config = mlx5_ib_get_vf_config, | |
6200 | .get_vf_stats = mlx5_ib_get_vf_stats, | |
6201 | .set_vf_guid = mlx5_ib_set_vf_guid, | |
6202 | .set_vf_link_state = mlx5_ib_set_vf_link_state, | |
6203 | }; | |
6204 | ||
6205 | static const struct ib_device_ops mlx5_ib_dev_mw_ops = { | |
6206 | .alloc_mw = mlx5_ib_alloc_mw, | |
6207 | .dealloc_mw = mlx5_ib_dealloc_mw, | |
6208 | }; | |
6209 | ||
6210 | static const struct ib_device_ops mlx5_ib_dev_xrc_ops = { | |
6211 | .alloc_xrcd = mlx5_ib_alloc_xrcd, | |
6212 | .dealloc_xrcd = mlx5_ib_dealloc_xrcd, | |
6213 | }; | |
6214 | ||
6215 | static const struct ib_device_ops mlx5_ib_dev_dm_ops = { | |
6216 | .alloc_dm = mlx5_ib_alloc_dm, | |
6217 | .dealloc_dm = mlx5_ib_dealloc_dm, | |
6218 | .reg_dm_mr = mlx5_ib_reg_dm_mr, | |
6219 | }; | |
6220 | ||
fb652d32 | 6221 | static int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
6222 | { |
6223 | struct mlx5_core_dev *mdev = dev->mdev; | |
16c1975f MB |
6224 | int err; |
6225 | ||
e126ba97 EC |
6226 | dev->ib_dev.uverbs_abi_ver = MLX5_IB_UVERBS_ABI_VERSION; |
6227 | dev->ib_dev.uverbs_cmd_mask = | |
6228 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | | |
6229 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | | |
6230 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | | |
6231 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | | |
6232 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | | |
41c450fd MS |
6233 | (1ull << IB_USER_VERBS_CMD_CREATE_AH) | |
6234 | (1ull << IB_USER_VERBS_CMD_DESTROY_AH) | | |
e126ba97 | 6235 | (1ull << IB_USER_VERBS_CMD_REG_MR) | |
56e11d62 | 6236 | (1ull << IB_USER_VERBS_CMD_REREG_MR) | |
e126ba97 EC |
6237 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | |
6238 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | | |
6239 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | | |
6240 | (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | | |
6241 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | | |
6242 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | | |
6243 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | | |
6244 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | | |
6245 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | | |
6246 | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | | |
6247 | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | | |
6248 | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | | |
6249 | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | | |
6250 | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | | |
6251 | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | | |
6252 | (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | | |
6253 | (1ull << IB_USER_VERBS_CMD_OPEN_QP); | |
1707cb4a | 6254 | dev->ib_dev.uverbs_ex_cmd_mask = |
d4584ddf MB |
6255 | (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) | |
6256 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) | | |
7d29f349 | 6257 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP) | |
b0e9df6d | 6258 | (1ull << IB_USER_VERBS_EX_CMD_MODIFY_QP) | |
96458233 KH |
6259 | (1ull << IB_USER_VERBS_EX_CMD_MODIFY_CQ) | |
6260 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | | |
6261 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW); | |
6262 | ||
f6a8a19b DD |
6263 | if (MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads) && |
6264 | IS_ENABLED(CONFIG_MLX5_CORE_IPOIB)) | |
96458233 KH |
6265 | ib_set_device_ops(&dev->ib_dev, |
6266 | &mlx5_ib_dev_ipoib_enhanced_ops); | |
8e959601 | 6267 | |
96458233 KH |
6268 | if (mlx5_core_is_pf(mdev)) |
6269 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_sriov_ops); | |
7c2344c3 | 6270 | |
6e8484c5 MG |
6271 | dev->umr_fence = mlx5_get_umr_fence(MLX5_CAP_GEN(mdev, umr_fence)); |
6272 | ||
d2370e0a | 6273 | if (MLX5_CAP_GEN(mdev, imaicl)) { |
d2370e0a MB |
6274 | dev->ib_dev.uverbs_cmd_mask |= |
6275 | (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | | |
6276 | (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); | |
96458233 | 6277 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_mw_ops); |
d2370e0a MB |
6278 | } |
6279 | ||
938fe83c | 6280 | if (MLX5_CAP_GEN(mdev, xrc)) { |
e126ba97 EC |
6281 | dev->ib_dev.uverbs_cmd_mask |= |
6282 | (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | | |
6283 | (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); | |
96458233 | 6284 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_xrc_ops); |
e126ba97 EC |
6285 | } |
6286 | ||
25c13324 AL |
6287 | if (MLX5_CAP_DEV_MEM(mdev, memic) || |
6288 | MLX5_CAP_GEN_64(dev->mdev, general_obj_types) & | |
6289 | MLX5_GENERAL_OBJ_TYPES_CAP_SW_ICM) | |
96458233 | 6290 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_dm_ops); |
24da0016 | 6291 | |
dfb631a1 | 6292 | if (mlx5_accel_ipsec_device_caps(dev->mdev) & |
96458233 KH |
6293 | MLX5_ACCEL_IPSEC_CAP_DEVICE) |
6294 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_flow_ipsec_ops); | |
96458233 | 6295 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_ops); |
81e30880 | 6296 | |
36e235c8 JG |
6297 | if (IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)) |
6298 | dev->ib_dev.driver_def = mlx5_ib_defs; | |
81e30880 | 6299 | |
e126ba97 EC |
6300 | err = init_node_data(dev); |
6301 | if (err) | |
16c1975f | 6302 | return err; |
e126ba97 | 6303 | |
c8b89924 | 6304 | if ((MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH) && |
e7996a9a JG |
6305 | (MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) || |
6306 | MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc))) | |
a560f1d9 | 6307 | mutex_init(&dev->lb.mutex); |
c8b89924 | 6308 | |
16c1975f MB |
6309 | return 0; |
6310 | } | |
6311 | ||
96458233 KH |
6312 | static const struct ib_device_ops mlx5_ib_dev_port_ops = { |
6313 | .get_port_immutable = mlx5_port_immutable, | |
6314 | .query_port = mlx5_ib_query_port, | |
6315 | }; | |
6316 | ||
8e6efa3a MB |
6317 | static int mlx5_ib_stage_non_default_cb(struct mlx5_ib_dev *dev) |
6318 | { | |
96458233 | 6319 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_port_ops); |
8e6efa3a MB |
6320 | return 0; |
6321 | } | |
6322 | ||
96458233 KH |
6323 | static const struct ib_device_ops mlx5_ib_dev_port_rep_ops = { |
6324 | .get_port_immutable = mlx5_port_rep_immutable, | |
6325 | .query_port = mlx5_ib_rep_query_port, | |
6326 | }; | |
6327 | ||
fb652d32 | 6328 | static int mlx5_ib_stage_rep_non_default_cb(struct mlx5_ib_dev *dev) |
8e6efa3a | 6329 | { |
96458233 | 6330 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_port_rep_ops); |
8e6efa3a MB |
6331 | return 0; |
6332 | } | |
6333 | ||
96458233 KH |
6334 | static const struct ib_device_ops mlx5_ib_dev_common_roce_ops = { |
6335 | .create_rwq_ind_table = mlx5_ib_create_rwq_ind_table, | |
6336 | .create_wq = mlx5_ib_create_wq, | |
6337 | .destroy_rwq_ind_table = mlx5_ib_destroy_rwq_ind_table, | |
6338 | .destroy_wq = mlx5_ib_destroy_wq, | |
6339 | .get_netdev = mlx5_ib_get_netdev, | |
6340 | .modify_wq = mlx5_ib_modify_wq, | |
6341 | }; | |
6342 | ||
e3f1ed1f | 6343 | static int mlx5_ib_stage_common_roce_init(struct mlx5_ib_dev *dev) |
8e6efa3a | 6344 | { |
e3f1ed1f | 6345 | u8 port_num; |
8e6efa3a | 6346 | |
8e6efa3a MB |
6347 | dev->ib_dev.uverbs_ex_cmd_mask |= |
6348 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) | | |
6349 | (1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ) | | |
6350 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ) | | |
6351 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) | | |
6352 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL); | |
96458233 | 6353 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_common_roce_ops); |
8e6efa3a | 6354 | |
e3f1ed1f LR |
6355 | port_num = mlx5_core_native_port_num(dev->mdev) - 1; |
6356 | ||
26628e2d | 6357 | /* Register only for native ports */ |
8e6efa3a MB |
6358 | return mlx5_add_netdev_notifier(dev, port_num); |
6359 | } | |
6360 | ||
6361 | static void mlx5_ib_stage_common_roce_cleanup(struct mlx5_ib_dev *dev) | |
6362 | { | |
6363 | u8 port_num = mlx5_core_native_port_num(dev->mdev) - 1; | |
6364 | ||
6365 | mlx5_remove_netdev_notifier(dev, port_num); | |
6366 | } | |
6367 | ||
fb652d32 | 6368 | static int mlx5_ib_stage_rep_roce_init(struct mlx5_ib_dev *dev) |
8e6efa3a MB |
6369 | { |
6370 | struct mlx5_core_dev *mdev = dev->mdev; | |
6371 | enum rdma_link_layer ll; | |
6372 | int port_type_cap; | |
6373 | int err = 0; | |
8e6efa3a | 6374 | |
8e6efa3a MB |
6375 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); |
6376 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
6377 | ||
6378 | if (ll == IB_LINK_LAYER_ETHERNET) | |
e3f1ed1f | 6379 | err = mlx5_ib_stage_common_roce_init(dev); |
8e6efa3a MB |
6380 | |
6381 | return err; | |
6382 | } | |
6383 | ||
fb652d32 | 6384 | static void mlx5_ib_stage_rep_roce_cleanup(struct mlx5_ib_dev *dev) |
8e6efa3a MB |
6385 | { |
6386 | mlx5_ib_stage_common_roce_cleanup(dev); | |
6387 | } | |
6388 | ||
16c1975f MB |
6389 | static int mlx5_ib_stage_roce_init(struct mlx5_ib_dev *dev) |
6390 | { | |
6391 | struct mlx5_core_dev *mdev = dev->mdev; | |
6392 | enum rdma_link_layer ll; | |
6393 | int port_type_cap; | |
6394 | int err; | |
6395 | ||
6396 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); | |
6397 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
6398 | ||
fc24fc5e | 6399 | if (ll == IB_LINK_LAYER_ETHERNET) { |
e3f1ed1f | 6400 | err = mlx5_ib_stage_common_roce_init(dev); |
8e6efa3a MB |
6401 | if (err) |
6402 | return err; | |
7fd8aefb | 6403 | |
e3f1ed1f | 6404 | err = mlx5_enable_eth(dev); |
fc24fc5e | 6405 | if (err) |
8e6efa3a | 6406 | goto cleanup; |
fc24fc5e AS |
6407 | } |
6408 | ||
16c1975f | 6409 | return 0; |
8e6efa3a MB |
6410 | cleanup: |
6411 | mlx5_ib_stage_common_roce_cleanup(dev); | |
6412 | ||
6413 | return err; | |
16c1975f | 6414 | } |
e126ba97 | 6415 | |
16c1975f MB |
6416 | static void mlx5_ib_stage_roce_cleanup(struct mlx5_ib_dev *dev) |
6417 | { | |
6418 | struct mlx5_core_dev *mdev = dev->mdev; | |
6419 | enum rdma_link_layer ll; | |
6420 | int port_type_cap; | |
e126ba97 | 6421 | |
16c1975f MB |
6422 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); |
6423 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
6424 | ||
6425 | if (ll == IB_LINK_LAYER_ETHERNET) { | |
6426 | mlx5_disable_eth(dev); | |
8e6efa3a | 6427 | mlx5_ib_stage_common_roce_cleanup(dev); |
45bded2c | 6428 | } |
16c1975f | 6429 | } |
6aec21f6 | 6430 | |
fb652d32 | 6431 | static int mlx5_ib_stage_dev_res_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
6432 | { |
6433 | return create_dev_resources(&dev->devr); | |
6434 | } | |
6435 | ||
fb652d32 | 6436 | static void mlx5_ib_stage_dev_res_cleanup(struct mlx5_ib_dev *dev) |
16c1975f MB |
6437 | { |
6438 | destroy_dev_resources(&dev->devr); | |
6439 | } | |
6440 | ||
6441 | static int mlx5_ib_stage_odp_init(struct mlx5_ib_dev *dev) | |
6442 | { | |
07321b3c MB |
6443 | mlx5_ib_internal_fill_odp_caps(dev); |
6444 | ||
16c1975f MB |
6445 | return mlx5_ib_odp_init_one(dev); |
6446 | } | |
4a2da0b8 | 6447 | |
f3ffed0c | 6448 | static void mlx5_ib_stage_odp_cleanup(struct mlx5_ib_dev *dev) |
d5d284b8 SM |
6449 | { |
6450 | mlx5_ib_odp_cleanup_one(dev); | |
6451 | } | |
6452 | ||
96458233 KH |
6453 | static const struct ib_device_ops mlx5_ib_dev_hw_stats_ops = { |
6454 | .alloc_hw_stats = mlx5_ib_alloc_hw_stats, | |
6455 | .get_hw_stats = mlx5_ib_get_hw_stats, | |
6456 | }; | |
6457 | ||
fb652d32 | 6458 | static int mlx5_ib_stage_counters_init(struct mlx5_ib_dev *dev) |
16c1975f | 6459 | { |
5e1e7612 | 6460 | if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) { |
96458233 | 6461 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_hw_stats_ops); |
5e1e7612 MB |
6462 | |
6463 | return mlx5_ib_alloc_counters(dev); | |
6464 | } | |
16c1975f MB |
6465 | |
6466 | return 0; | |
6467 | } | |
6468 | ||
fb652d32 | 6469 | static void mlx5_ib_stage_counters_cleanup(struct mlx5_ib_dev *dev) |
16c1975f MB |
6470 | { |
6471 | if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) | |
6472 | mlx5_ib_dealloc_counters(dev); | |
6473 | } | |
6474 | ||
6475 | static int mlx5_ib_stage_cong_debugfs_init(struct mlx5_ib_dev *dev) | |
6476 | { | |
73eb8f03 GKH |
6477 | mlx5_ib_init_cong_debugfs(dev, |
6478 | mlx5_core_native_port_num(dev->mdev) - 1); | |
6479 | return 0; | |
16c1975f MB |
6480 | } |
6481 | ||
6482 | static void mlx5_ib_stage_cong_debugfs_cleanup(struct mlx5_ib_dev *dev) | |
6483 | { | |
a9e546e7 PP |
6484 | mlx5_ib_cleanup_cong_debugfs(dev, |
6485 | mlx5_core_native_port_num(dev->mdev) - 1); | |
16c1975f MB |
6486 | } |
6487 | ||
6488 | static int mlx5_ib_stage_uar_init(struct mlx5_ib_dev *dev) | |
6489 | { | |
5fe9dec0 | 6490 | dev->mdev->priv.uar = mlx5_get_uars_page(dev->mdev); |
444261ca | 6491 | return PTR_ERR_OR_ZERO(dev->mdev->priv.uar); |
16c1975f MB |
6492 | } |
6493 | ||
6494 | static void mlx5_ib_stage_uar_cleanup(struct mlx5_ib_dev *dev) | |
6495 | { | |
6496 | mlx5_put_uars_page(dev->mdev, dev->mdev->priv.uar); | |
6497 | } | |
6498 | ||
fb652d32 | 6499 | static int mlx5_ib_stage_bfrag_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
6500 | { |
6501 | int err; | |
5fe9dec0 EC |
6502 | |
6503 | err = mlx5_alloc_bfreg(dev->mdev, &dev->bfreg, false, false); | |
6504 | if (err) | |
16c1975f | 6505 | return err; |
5fe9dec0 EC |
6506 | |
6507 | err = mlx5_alloc_bfreg(dev->mdev, &dev->fp_bfreg, false, true); | |
6508 | if (err) | |
16c1975f | 6509 | mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg); |
5fe9dec0 | 6510 | |
16c1975f MB |
6511 | return err; |
6512 | } | |
0837e86a | 6513 | |
fb652d32 | 6514 | static void mlx5_ib_stage_bfrag_cleanup(struct mlx5_ib_dev *dev) |
16c1975f MB |
6515 | { |
6516 | mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg); | |
6517 | mlx5_free_bfreg(dev->mdev, &dev->bfreg); | |
6518 | } | |
e126ba97 | 6519 | |
fb652d32 | 6520 | static int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev) |
16c1975f | 6521 | { |
e349f858 JG |
6522 | const char *name; |
6523 | ||
508a523f | 6524 | rdma_set_device_sysfs_group(&dev->ib_dev, &mlx5_attr_group); |
7c34ec19 | 6525 | if (!mlx5_lag_is_roce(dev->mdev)) |
e349f858 JG |
6526 | name = "mlx5_%d"; |
6527 | else | |
6528 | name = "mlx5_bond_%d"; | |
ea4baf7f | 6529 | return ib_register_device(&dev->ib_dev, name); |
16c1975f MB |
6530 | } |
6531 | ||
fb652d32 | 6532 | static void mlx5_ib_stage_pre_ib_reg_umr_cleanup(struct mlx5_ib_dev *dev) |
16c1975f | 6533 | { |
42cea83f | 6534 | destroy_umrc_res(dev); |
16c1975f MB |
6535 | } |
6536 | ||
fb652d32 | 6537 | static void mlx5_ib_stage_ib_reg_cleanup(struct mlx5_ib_dev *dev) |
16c1975f | 6538 | { |
42cea83f | 6539 | ib_unregister_device(&dev->ib_dev); |
16c1975f MB |
6540 | } |
6541 | ||
fb652d32 | 6542 | static int mlx5_ib_stage_post_ib_reg_umr_init(struct mlx5_ib_dev *dev) |
16c1975f | 6543 | { |
42cea83f | 6544 | return create_umr_res(dev); |
16c1975f MB |
6545 | } |
6546 | ||
6547 | static int mlx5_ib_stage_delay_drop_init(struct mlx5_ib_dev *dev) | |
6548 | { | |
03404e8a MG |
6549 | init_delay_drop(dev); |
6550 | ||
16c1975f MB |
6551 | return 0; |
6552 | } | |
6553 | ||
6554 | static void mlx5_ib_stage_delay_drop_cleanup(struct mlx5_ib_dev *dev) | |
6555 | { | |
6556 | cancel_delay_drop(dev); | |
6557 | } | |
6558 | ||
df097a27 SM |
6559 | static int mlx5_ib_stage_dev_notifier_init(struct mlx5_ib_dev *dev) |
6560 | { | |
6561 | dev->mdev_events.notifier_call = mlx5_ib_event; | |
6562 | mlx5_notifier_register(dev->mdev, &dev->mdev_events); | |
6563 | return 0; | |
6564 | } | |
6565 | ||
6566 | static void mlx5_ib_stage_dev_notifier_cleanup(struct mlx5_ib_dev *dev) | |
6567 | { | |
6568 | mlx5_notifier_unregister(dev->mdev, &dev->mdev_events); | |
6569 | } | |
6570 | ||
81773ce5 LR |
6571 | static int mlx5_ib_stage_devx_init(struct mlx5_ib_dev *dev) |
6572 | { | |
6573 | int uid; | |
6574 | ||
fb98153b | 6575 | uid = mlx5_ib_devx_create(dev, false); |
81773ce5 LR |
6576 | if (uid > 0) |
6577 | dev->devx_whitelist_uid = uid; | |
6578 | ||
6579 | return 0; | |
6580 | } | |
6581 | static void mlx5_ib_stage_devx_cleanup(struct mlx5_ib_dev *dev) | |
6582 | { | |
6583 | if (dev->devx_whitelist_uid) | |
6584 | mlx5_ib_devx_destroy(dev, dev->devx_whitelist_uid); | |
6585 | } | |
6586 | ||
b5ca15ad MB |
6587 | void __mlx5_ib_remove(struct mlx5_ib_dev *dev, |
6588 | const struct mlx5_ib_profile *profile, | |
6589 | int stage) | |
16c1975f MB |
6590 | { |
6591 | /* Number of stages to cleanup */ | |
6592 | while (stage) { | |
6593 | stage--; | |
6594 | if (profile->stage[stage].cleanup) | |
6595 | profile->stage[stage].cleanup(dev); | |
6596 | } | |
4a6dc855 | 6597 | |
da796ccb | 6598 | kfree(dev->port); |
4a6dc855 | 6599 | ib_dealloc_device(&dev->ib_dev); |
16c1975f | 6600 | } |
e126ba97 | 6601 | |
b5ca15ad MB |
6602 | void *__mlx5_ib_add(struct mlx5_ib_dev *dev, |
6603 | const struct mlx5_ib_profile *profile) | |
16c1975f | 6604 | { |
16c1975f MB |
6605 | int err; |
6606 | int i; | |
5fe9dec0 | 6607 | |
16c1975f MB |
6608 | for (i = 0; i < MLX5_IB_STAGE_MAX; i++) { |
6609 | if (profile->stage[i].init) { | |
6610 | err = profile->stage[i].init(dev); | |
6611 | if (err) | |
6612 | goto err_out; | |
6613 | } | |
6614 | } | |
0837e86a | 6615 | |
16c1975f MB |
6616 | dev->profile = profile; |
6617 | dev->ib_active = true; | |
6aec21f6 | 6618 | |
16c1975f | 6619 | return dev; |
e126ba97 | 6620 | |
16c1975f MB |
6621 | err_out: |
6622 | __mlx5_ib_remove(dev, profile, i); | |
fc24fc5e | 6623 | |
16c1975f MB |
6624 | return NULL; |
6625 | } | |
0837e86a | 6626 | |
16c1975f MB |
6627 | static const struct mlx5_ib_profile pf_profile = { |
6628 | STAGE_CREATE(MLX5_IB_STAGE_INIT, | |
6629 | mlx5_ib_stage_init_init, | |
6630 | mlx5_ib_stage_init_cleanup), | |
9a4ca38d MB |
6631 | STAGE_CREATE(MLX5_IB_STAGE_FLOW_DB, |
6632 | mlx5_ib_stage_flow_db_init, | |
6633 | mlx5_ib_stage_flow_db_cleanup), | |
16c1975f MB |
6634 | STAGE_CREATE(MLX5_IB_STAGE_CAPS, |
6635 | mlx5_ib_stage_caps_init, | |
6636 | NULL), | |
8e6efa3a MB |
6637 | STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB, |
6638 | mlx5_ib_stage_non_default_cb, | |
6639 | NULL), | |
16c1975f MB |
6640 | STAGE_CREATE(MLX5_IB_STAGE_ROCE, |
6641 | mlx5_ib_stage_roce_init, | |
6642 | mlx5_ib_stage_roce_cleanup), | |
f3da6577 LR |
6643 | STAGE_CREATE(MLX5_IB_STAGE_SRQ, |
6644 | mlx5_init_srq_table, | |
6645 | mlx5_cleanup_srq_table), | |
16c1975f MB |
6646 | STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES, |
6647 | mlx5_ib_stage_dev_res_init, | |
6648 | mlx5_ib_stage_dev_res_cleanup), | |
df097a27 SM |
6649 | STAGE_CREATE(MLX5_IB_STAGE_DEVICE_NOTIFIER, |
6650 | mlx5_ib_stage_dev_notifier_init, | |
6651 | mlx5_ib_stage_dev_notifier_cleanup), | |
16c1975f MB |
6652 | STAGE_CREATE(MLX5_IB_STAGE_ODP, |
6653 | mlx5_ib_stage_odp_init, | |
d5d284b8 | 6654 | mlx5_ib_stage_odp_cleanup), |
16c1975f MB |
6655 | STAGE_CREATE(MLX5_IB_STAGE_COUNTERS, |
6656 | mlx5_ib_stage_counters_init, | |
6657 | mlx5_ib_stage_counters_cleanup), | |
6658 | STAGE_CREATE(MLX5_IB_STAGE_CONG_DEBUGFS, | |
6659 | mlx5_ib_stage_cong_debugfs_init, | |
6660 | mlx5_ib_stage_cong_debugfs_cleanup), | |
6661 | STAGE_CREATE(MLX5_IB_STAGE_UAR, | |
6662 | mlx5_ib_stage_uar_init, | |
6663 | mlx5_ib_stage_uar_cleanup), | |
6664 | STAGE_CREATE(MLX5_IB_STAGE_BFREG, | |
6665 | mlx5_ib_stage_bfrag_init, | |
6666 | mlx5_ib_stage_bfrag_cleanup), | |
42cea83f MB |
6667 | STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR, |
6668 | NULL, | |
6669 | mlx5_ib_stage_pre_ib_reg_umr_cleanup), | |
81773ce5 LR |
6670 | STAGE_CREATE(MLX5_IB_STAGE_WHITELIST_UID, |
6671 | mlx5_ib_stage_devx_init, | |
6672 | mlx5_ib_stage_devx_cleanup), | |
16c1975f MB |
6673 | STAGE_CREATE(MLX5_IB_STAGE_IB_REG, |
6674 | mlx5_ib_stage_ib_reg_init, | |
6675 | mlx5_ib_stage_ib_reg_cleanup), | |
42cea83f MB |
6676 | STAGE_CREATE(MLX5_IB_STAGE_POST_IB_REG_UMR, |
6677 | mlx5_ib_stage_post_ib_reg_umr_init, | |
6678 | NULL), | |
16c1975f MB |
6679 | STAGE_CREATE(MLX5_IB_STAGE_DELAY_DROP, |
6680 | mlx5_ib_stage_delay_drop_init, | |
6681 | mlx5_ib_stage_delay_drop_cleanup), | |
16c1975f | 6682 | }; |
e126ba97 | 6683 | |
f0666f1f | 6684 | const struct mlx5_ib_profile uplink_rep_profile = { |
b5ca15ad MB |
6685 | STAGE_CREATE(MLX5_IB_STAGE_INIT, |
6686 | mlx5_ib_stage_init_init, | |
6687 | mlx5_ib_stage_init_cleanup), | |
6688 | STAGE_CREATE(MLX5_IB_STAGE_FLOW_DB, | |
6689 | mlx5_ib_stage_flow_db_init, | |
6690 | mlx5_ib_stage_flow_db_cleanup), | |
6691 | STAGE_CREATE(MLX5_IB_STAGE_CAPS, | |
6692 | mlx5_ib_stage_caps_init, | |
6693 | NULL), | |
6694 | STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB, | |
6695 | mlx5_ib_stage_rep_non_default_cb, | |
6696 | NULL), | |
6697 | STAGE_CREATE(MLX5_IB_STAGE_ROCE, | |
6698 | mlx5_ib_stage_rep_roce_init, | |
6699 | mlx5_ib_stage_rep_roce_cleanup), | |
f3da6577 LR |
6700 | STAGE_CREATE(MLX5_IB_STAGE_SRQ, |
6701 | mlx5_init_srq_table, | |
6702 | mlx5_cleanup_srq_table), | |
b5ca15ad MB |
6703 | STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES, |
6704 | mlx5_ib_stage_dev_res_init, | |
6705 | mlx5_ib_stage_dev_res_cleanup), | |
df097a27 SM |
6706 | STAGE_CREATE(MLX5_IB_STAGE_DEVICE_NOTIFIER, |
6707 | mlx5_ib_stage_dev_notifier_init, | |
6708 | mlx5_ib_stage_dev_notifier_cleanup), | |
b5ca15ad MB |
6709 | STAGE_CREATE(MLX5_IB_STAGE_COUNTERS, |
6710 | mlx5_ib_stage_counters_init, | |
6711 | mlx5_ib_stage_counters_cleanup), | |
6712 | STAGE_CREATE(MLX5_IB_STAGE_UAR, | |
6713 | mlx5_ib_stage_uar_init, | |
6714 | mlx5_ib_stage_uar_cleanup), | |
6715 | STAGE_CREATE(MLX5_IB_STAGE_BFREG, | |
6716 | mlx5_ib_stage_bfrag_init, | |
6717 | mlx5_ib_stage_bfrag_cleanup), | |
03fe2deb DM |
6718 | STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR, |
6719 | NULL, | |
6720 | mlx5_ib_stage_pre_ib_reg_umr_cleanup), | |
7f575103 MB |
6721 | STAGE_CREATE(MLX5_IB_STAGE_WHITELIST_UID, |
6722 | mlx5_ib_stage_devx_init, | |
6723 | mlx5_ib_stage_devx_cleanup), | |
b5ca15ad MB |
6724 | STAGE_CREATE(MLX5_IB_STAGE_IB_REG, |
6725 | mlx5_ib_stage_ib_reg_init, | |
6726 | mlx5_ib_stage_ib_reg_cleanup), | |
03fe2deb DM |
6727 | STAGE_CREATE(MLX5_IB_STAGE_POST_IB_REG_UMR, |
6728 | mlx5_ib_stage_post_ib_reg_umr_init, | |
6729 | NULL), | |
b5ca15ad MB |
6730 | }; |
6731 | ||
e3f1ed1f | 6732 | static void *mlx5_ib_add_slave_port(struct mlx5_core_dev *mdev) |
32f69e4b DJ |
6733 | { |
6734 | struct mlx5_ib_multiport_info *mpi; | |
6735 | struct mlx5_ib_dev *dev; | |
6736 | bool bound = false; | |
6737 | int err; | |
6738 | ||
6739 | mpi = kzalloc(sizeof(*mpi), GFP_KERNEL); | |
6740 | if (!mpi) | |
6741 | return NULL; | |
6742 | ||
6743 | mpi->mdev = mdev; | |
6744 | ||
6745 | err = mlx5_query_nic_vport_system_image_guid(mdev, | |
6746 | &mpi->sys_image_guid); | |
6747 | if (err) { | |
6748 | kfree(mpi); | |
6749 | return NULL; | |
6750 | } | |
6751 | ||
6752 | mutex_lock(&mlx5_ib_multiport_mutex); | |
6753 | list_for_each_entry(dev, &mlx5_ib_dev_list, ib_dev_list) { | |
6754 | if (dev->sys_image_guid == mpi->sys_image_guid) | |
6755 | bound = mlx5_ib_bind_slave_port(dev, mpi); | |
6756 | ||
6757 | if (bound) { | |
6758 | rdma_roce_rescan_device(&dev->ib_dev); | |
6759 | break; | |
6760 | } | |
6761 | } | |
6762 | ||
6763 | if (!bound) { | |
6764 | list_add_tail(&mpi->list, &mlx5_ib_unaffiliated_port_list); | |
c42260f1 VP |
6765 | dev_dbg(mdev->device, |
6766 | "no suitable IB device found to bind to, added to unaffiliated list.\n"); | |
32f69e4b DJ |
6767 | } |
6768 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
6769 | ||
6770 | return mpi; | |
6771 | } | |
6772 | ||
16c1975f MB |
6773 | static void *mlx5_ib_add(struct mlx5_core_dev *mdev) |
6774 | { | |
32f69e4b | 6775 | enum rdma_link_layer ll; |
b5ca15ad | 6776 | struct mlx5_ib_dev *dev; |
32f69e4b | 6777 | int port_type_cap; |
da796ccb | 6778 | int num_ports; |
32f69e4b | 6779 | |
b5ca15ad MB |
6780 | printk_once(KERN_INFO "%s", mlx5_version); |
6781 | ||
f0666f1f BW |
6782 | if (MLX5_ESWITCH_MANAGER(mdev) && |
6783 | mlx5_ib_eswitch_mode(mdev->priv.eswitch) == SRIOV_OFFLOADS) { | |
5fb58c9e MB |
6784 | if (!mlx5_core_mp_enabled(mdev)) |
6785 | mlx5_ib_register_vport_reps(mdev); | |
f0666f1f BW |
6786 | return mdev; |
6787 | } | |
6788 | ||
32f69e4b DJ |
6789 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); |
6790 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
6791 | ||
e3f1ed1f LR |
6792 | if (mlx5_core_is_mp_slave(mdev) && ll == IB_LINK_LAYER_ETHERNET) |
6793 | return mlx5_ib_add_slave_port(mdev); | |
32f69e4b | 6794 | |
da796ccb MB |
6795 | num_ports = max(MLX5_CAP_GEN(mdev, num_ports), |
6796 | MLX5_CAP_GEN(mdev, num_vhca_ports)); | |
459cc69f | 6797 | dev = ib_alloc_device(mlx5_ib_dev, ib_dev); |
b5ca15ad MB |
6798 | if (!dev) |
6799 | return NULL; | |
da796ccb MB |
6800 | dev->port = kcalloc(num_ports, sizeof(*dev->port), |
6801 | GFP_KERNEL); | |
6802 | if (!dev->port) { | |
6803 | ib_dealloc_device((struct ib_device *)dev); | |
6804 | return NULL; | |
6805 | } | |
b5ca15ad MB |
6806 | |
6807 | dev->mdev = mdev; | |
da796ccb | 6808 | dev->num_ports = num_ports; |
b5ca15ad | 6809 | |
b5ca15ad | 6810 | return __mlx5_ib_add(dev, &pf_profile); |
e126ba97 EC |
6811 | } |
6812 | ||
9603b61d | 6813 | static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context) |
e126ba97 | 6814 | { |
32f69e4b DJ |
6815 | struct mlx5_ib_multiport_info *mpi; |
6816 | struct mlx5_ib_dev *dev; | |
6817 | ||
f0666f1f BW |
6818 | if (MLX5_ESWITCH_MANAGER(mdev) && context == mdev) { |
6819 | mlx5_ib_unregister_vport_reps(mdev); | |
6820 | return; | |
6821 | } | |
6822 | ||
32f69e4b DJ |
6823 | if (mlx5_core_is_mp_slave(mdev)) { |
6824 | mpi = context; | |
6825 | mutex_lock(&mlx5_ib_multiport_mutex); | |
6826 | if (mpi->ibdev) | |
6827 | mlx5_ib_unbind_slave_port(mpi->ibdev, mpi); | |
6828 | list_del(&mpi->list); | |
6829 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
6830 | return; | |
6831 | } | |
6aec21f6 | 6832 | |
32f69e4b | 6833 | dev = context; |
f0666f1f | 6834 | __mlx5_ib_remove(dev, dev->profile, MLX5_IB_STAGE_MAX); |
e126ba97 EC |
6835 | } |
6836 | ||
9603b61d JM |
6837 | static struct mlx5_interface mlx5_ib_interface = { |
6838 | .add = mlx5_ib_add, | |
6839 | .remove = mlx5_ib_remove, | |
64613d94 | 6840 | .protocol = MLX5_INTERFACE_PROTOCOL_IB, |
e126ba97 EC |
6841 | }; |
6842 | ||
c44ef998 IL |
6843 | unsigned long mlx5_ib_get_xlt_emergency_page(void) |
6844 | { | |
6845 | mutex_lock(&xlt_emergency_page_mutex); | |
6846 | return xlt_emergency_page; | |
6847 | } | |
6848 | ||
6849 | void mlx5_ib_put_xlt_emergency_page(void) | |
6850 | { | |
6851 | mutex_unlock(&xlt_emergency_page_mutex); | |
6852 | } | |
6853 | ||
e126ba97 EC |
6854 | static int __init mlx5_ib_init(void) |
6855 | { | |
6aec21f6 HE |
6856 | int err; |
6857 | ||
c44ef998 IL |
6858 | xlt_emergency_page = __get_free_page(GFP_KERNEL); |
6859 | if (!xlt_emergency_page) | |
6860 | return -ENOMEM; | |
6861 | ||
6862 | mutex_init(&xlt_emergency_page_mutex); | |
6863 | ||
d69a24e0 | 6864 | mlx5_ib_event_wq = alloc_ordered_workqueue("mlx5_ib_event_wq", 0); |
c44ef998 IL |
6865 | if (!mlx5_ib_event_wq) { |
6866 | free_page(xlt_emergency_page); | |
d69a24e0 | 6867 | return -ENOMEM; |
c44ef998 | 6868 | } |
d69a24e0 | 6869 | |
81713d37 | 6870 | mlx5_ib_odp_init(); |
9603b61d | 6871 | |
6aec21f6 | 6872 | err = mlx5_register_interface(&mlx5_ib_interface); |
6aec21f6 | 6873 | |
6aec21f6 | 6874 | return err; |
e126ba97 EC |
6875 | } |
6876 | ||
6877 | static void __exit mlx5_ib_cleanup(void) | |
6878 | { | |
9603b61d | 6879 | mlx5_unregister_interface(&mlx5_ib_interface); |
d69a24e0 | 6880 | destroy_workqueue(mlx5_ib_event_wq); |
c44ef998 IL |
6881 | mutex_destroy(&xlt_emergency_page_mutex); |
6882 | free_page(xlt_emergency_page); | |
e126ba97 EC |
6883 | } |
6884 | ||
6885 | module_init(mlx5_ib_init); | |
6886 | module_exit(mlx5_ib_cleanup); |