]> git.ipfire.org Git - thirdparty/linux.git/blame - drivers/infiniband/hw/mlx5/main.c
projects / thirdparty / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[thirdparty/linux.git] / drivers / infiniband / hw / mlx5 / main.c
CommitLineData
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"
3346c487 63#include <linux/mlx5/fs_helpers.h>
c6475a0b 64#include <linux/mlx5/accel.h>
8c84660b 65#include <rdma/uverbs_std_types.h>
c6475a0b
AY		 66#include <rdma/mlx5_user_ioctl_verbs.h>
67#include <rdma/mlx5_user_ioctl_cmds.h>
8c84660b
MB		 68
69#define UVERBS_MODULE_NAME mlx5_ib
70#include <rdma/uverbs_named_ioctl.h>
e126ba97
EC		 71
72#define DRIVER_NAME "mlx5_ib"
b359911d 73#define DRIVER_VERSION "5.0-0"
e126ba97
EC		 74
75MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>");
76MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver");
77MODULE_LICENSE("Dual BSD/GPL");
e126ba97 78
e126ba97
EC		 79static char mlx5_version[] =
80 DRIVER_NAME ": Mellanox Connect-IB Infiniband driver v"
b359911d 81 DRIVER_VERSION "\n";
e126ba97 82
d69a24e0
DJ		 83struct mlx5_ib_event_work {
84 struct work_struct work;
85 struct mlx5_core_dev *dev;
86 void *context;
87 enum mlx5_dev_event event;
88 unsigned long param;
89};
90
da7525d2
EBE		 91enum {
92 MLX5_ATOMIC_SIZE_QP_8BYTES = 1 << 3,
93};
94
d69a24e0 95static struct workqueue_struct *mlx5_ib_event_wq;
32f69e4b
DJ		 96static LIST_HEAD(mlx5_ib_unaffiliated_port_list);
97static LIST_HEAD(mlx5_ib_dev_list);
98/*
99 * This mutex should be held when accessing either of the above lists
100 */
101static DEFINE_MUTEX(mlx5_ib_multiport_mutex);
102
c44ef998
IL		 103/* We can't use an array for xlt_emergency_page because dma_map_single
104 * doesn't work on kernel modules memory
105 */
106static unsigned long xlt_emergency_page;
107static struct mutex xlt_emergency_page_mutex;
108
32f69e4b
DJ		 109struct mlx5_ib_dev *mlx5_ib_get_ibdev_from_mpi(struct mlx5_ib_multiport_info *mpi)
110{
111 struct mlx5_ib_dev *dev;
112
113 mutex_lock(&mlx5_ib_multiport_mutex);
114 dev = mpi->ibdev;
115 mutex_unlock(&mlx5_ib_multiport_mutex);
116 return dev;
117}
118
1b5daf11 119static enum rdma_link_layer
ebd61f68 120mlx5_port_type_cap_to_rdma_ll(int port_type_cap)
1b5daf11 121{
ebd61f68 122 switch (port_type_cap) {
1b5daf11
MD		 123 case MLX5_CAP_PORT_TYPE_IB:
124 return IB_LINK_LAYER_INFINIBAND;
125 case MLX5_CAP_PORT_TYPE_ETH:
126 return IB_LINK_LAYER_ETHERNET;
127 default:
128 return IB_LINK_LAYER_UNSPECIFIED;
129 }
130}
131
ebd61f68
AS		 132static enum rdma_link_layer
133mlx5_ib_port_link_layer(struct ib_device *device, u8 port_num)
134{
135 struct mlx5_ib_dev *dev = to_mdev(device);
136 int port_type_cap = MLX5_CAP_GEN(dev->mdev, port_type);
137
138 return mlx5_port_type_cap_to_rdma_ll(port_type_cap);
139}
140
fd65f1b8
MS		 141static int get_port_state(struct ib_device *ibdev,
142 u8 port_num,
143 enum ib_port_state *state)
144{
145 struct ib_port_attr attr;
146 int ret;
147
148 memset(&attr, 0, sizeof(attr));
8e6efa3a 149 ret = ibdev->query_port(ibdev, port_num, &attr);
fd65f1b8
MS		 150 if (!ret)
151 *state = attr.state;
152 return ret;
153}
154
fc24fc5e
AS		 155static int mlx5_netdev_event(struct notifier_block *this,
156 unsigned long event, void *ptr)
157{
7fd8aefb 158 struct mlx5_roce *roce = container_of(this, struct mlx5_roce, nb);
fc24fc5e 159 struct net_device *ndev = netdev_notifier_info_to_dev(ptr);
7fd8aefb
DJ		 160 u8 port_num = roce->native_port_num;
161 struct mlx5_core_dev *mdev;
162 struct mlx5_ib_dev *ibdev;
163
164 ibdev = roce->dev;
32f69e4b
DJ		 165 mdev = mlx5_ib_get_native_port_mdev(ibdev, port_num, NULL);
166 if (!mdev)
167 return NOTIFY_DONE;
fc24fc5e 168
5ec8c83e
AH		 169 switch (event) {
170 case NETDEV_REGISTER:
171 case NETDEV_UNREGISTER:
7fd8aefb 172 write_lock(&roce->netdev_lock);
bcf87f1d
MB		 173 if (ibdev->rep) {
174 struct mlx5_eswitch *esw = ibdev->mdev->priv.eswitch;
175 struct net_device *rep_ndev;
176
177 rep_ndev = mlx5_ib_get_rep_netdev(esw,
178 ibdev->rep->vport);
179 if (rep_ndev == ndev)
180 roce->netdev = (event == NETDEV_UNREGISTER) ?
7fd8aefb 181 NULL : ndev;
84a6a7a9 182 } else if (ndev->dev.parent == &mdev->pdev->dev) {
bcf87f1d
MB		 183 roce->netdev = (event == NETDEV_UNREGISTER) ?
184 NULL : ndev;
185 }
7fd8aefb 186 write_unlock(&roce->netdev_lock);
5ec8c83e 187 break;
fc24fc5e 188
fd65f1b8 189 case NETDEV_CHANGE:
5ec8c83e 190 case NETDEV_UP:
88621dfe 191 case NETDEV_DOWN: {
7fd8aefb 192 struct net_device *lag_ndev = mlx5_lag_get_roce_netdev(mdev);
88621dfe
AH		 193 struct net_device *upper = NULL;
194
195 if (lag_ndev) {
196 upper = netdev_master_upper_dev_get(lag_ndev);
197 dev_put(lag_ndev);
198 }
199
7fd8aefb 200 if ((upper == ndev || (!upper && ndev == roce->netdev))
88621dfe 201 && ibdev->ib_active) {
626bc02d 202 struct ib_event ibev = { };
fd65f1b8 203 enum ib_port_state port_state;
5ec8c83e 204
7fd8aefb
DJ		 205 if (get_port_state(&ibdev->ib_dev, port_num,
206 &port_state))
207 goto done;
fd65f1b8 208
7fd8aefb
DJ		 209 if (roce->last_port_state == port_state)
210 goto done;
fd65f1b8 211
7fd8aefb 212 roce->last_port_state = port_state;
5ec8c83e 213 ibev.device = &ibdev->ib_dev;
fd65f1b8
MS		 214 if (port_state == IB_PORT_DOWN)
215 ibev.event = IB_EVENT_PORT_ERR;
216 else if (port_state == IB_PORT_ACTIVE)
217 ibev.event = IB_EVENT_PORT_ACTIVE;
218 else
7fd8aefb 219 goto done;
fd65f1b8 220
7fd8aefb 221 ibev.element.port_num = port_num;
5ec8c83e
AH		 222 ib_dispatch_event(&ibev);
223 }
224 break;
88621dfe 225 }
fc24fc5e 226
5ec8c83e
AH		 227 default:
228 break;
229 }
7fd8aefb 230done:
32f69e4b 231 mlx5_ib_put_native_port_mdev(ibdev, port_num);
fc24fc5e
AS		 232 return NOTIFY_DONE;
233}
234
235static struct net_device *mlx5_ib_get_netdev(struct ib_device *device,
236 u8 port_num)
237{
238 struct mlx5_ib_dev *ibdev = to_mdev(device);
239 struct net_device *ndev;
32f69e4b
DJ		 240 struct mlx5_core_dev *mdev;
241
242 mdev = mlx5_ib_get_native_port_mdev(ibdev, port_num, NULL);
243 if (!mdev)
244 return NULL;
fc24fc5e 245
32f69e4b 246 ndev = mlx5_lag_get_roce_netdev(mdev);
88621dfe 247 if (ndev)
32f69e4b 248 goto out;
88621dfe 249
fc24fc5e
AS		 250 /* Ensure ndev does not disappear before we invoke dev_hold()
251 */
7fd8aefb
DJ		 252 read_lock(&ibdev->roce[port_num - 1].netdev_lock);
253 ndev = ibdev->roce[port_num - 1].netdev;
fc24fc5e
AS		 254 if (ndev)
255 dev_hold(ndev);
7fd8aefb 256 read_unlock(&ibdev->roce[port_num - 1].netdev_lock);
fc24fc5e 257
32f69e4b
DJ		 258out:
259 mlx5_ib_put_native_port_mdev(ibdev, port_num);
fc24fc5e
AS		 260 return ndev;
261}
262
32f69e4b
DJ		 263struct mlx5_core_dev *mlx5_ib_get_native_port_mdev(struct mlx5_ib_dev *ibdev,
264 u8 ib_port_num,
265 u8 *native_port_num)
266{
267 enum rdma_link_layer ll = mlx5_ib_port_link_layer(&ibdev->ib_dev,
268 ib_port_num);
269 struct mlx5_core_dev *mdev = NULL;
270 struct mlx5_ib_multiport_info *mpi;
271 struct mlx5_ib_port *port;
272
210b1f78
MB		 273 if (!mlx5_core_mp_enabled(ibdev->mdev) ||
274 ll != IB_LINK_LAYER_ETHERNET) {
275 if (native_port_num)
276 *native_port_num = ib_port_num;
277 return ibdev->mdev;
278 }
279
32f69e4b
DJ		 280 if (native_port_num)
281 *native_port_num = 1;
282
32f69e4b
DJ		 283 port = &ibdev->port[ib_port_num - 1];
284 if (!port)
285 return NULL;
286
287 spin_lock(&port->mp.mpi_lock);
288 mpi = ibdev->port[ib_port_num - 1].mp.mpi;
289 if (mpi && !mpi->unaffiliate) {
290 mdev = mpi->mdev;
291 /* If it's the master no need to refcount, it'll exist
292 * as long as the ib_dev exists.
293 */
294 if (!mpi->is_master)
295 mpi->mdev_refcnt++;
296 }
297 spin_unlock(&port->mp.mpi_lock);
298
299 return mdev;
300}
301
302void mlx5_ib_put_native_port_mdev(struct mlx5_ib_dev *ibdev, u8 port_num)
303{
304 enum rdma_link_layer ll = mlx5_ib_port_link_layer(&ibdev->ib_dev,
305 port_num);
306 struct mlx5_ib_multiport_info *mpi;
307 struct mlx5_ib_port *port;
308
309 if (!mlx5_core_mp_enabled(ibdev->mdev) || ll != IB_LINK_LAYER_ETHERNET)
310 return;
311
312 port = &ibdev->port[port_num - 1];
313
314 spin_lock(&port->mp.mpi_lock);
315 mpi = ibdev->port[port_num - 1].mp.mpi;
316 if (mpi->is_master)
317 goto out;
318
319 mpi->mdev_refcnt--;
320 if (mpi->unaffiliate)
321 complete(&mpi->unref_comp);
322out:
323 spin_unlock(&port->mp.mpi_lock);
324}
325
f1b65df5
NO		 326static int translate_eth_proto_oper(u32 eth_proto_oper, u8 *active_speed,
327 u8 *active_width)
328{
329 switch (eth_proto_oper) {
330 case MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII):
331 case MLX5E_PROT_MASK(MLX5E_1000BASE_KX):
332 case MLX5E_PROT_MASK(MLX5E_100BASE_TX):
333 case MLX5E_PROT_MASK(MLX5E_1000BASE_T):
334 *active_width = IB_WIDTH_1X;
335 *active_speed = IB_SPEED_SDR;
336 break;
337 case MLX5E_PROT_MASK(MLX5E_10GBASE_T):
338 case MLX5E_PROT_MASK(MLX5E_10GBASE_CX4):
339 case MLX5E_PROT_MASK(MLX5E_10GBASE_KX4):
340 case MLX5E_PROT_MASK(MLX5E_10GBASE_KR):
341 case MLX5E_PROT_MASK(MLX5E_10GBASE_CR):
342 case MLX5E_PROT_MASK(MLX5E_10GBASE_SR):
343 case MLX5E_PROT_MASK(MLX5E_10GBASE_ER):
344 *active_width = IB_WIDTH_1X;
345 *active_speed = IB_SPEED_QDR;
346 break;
347 case MLX5E_PROT_MASK(MLX5E_25GBASE_CR):
348 case MLX5E_PROT_MASK(MLX5E_25GBASE_KR):
349 case MLX5E_PROT_MASK(MLX5E_25GBASE_SR):
350 *active_width = IB_WIDTH_1X;
351 *active_speed = IB_SPEED_EDR;
352 break;
353 case MLX5E_PROT_MASK(MLX5E_40GBASE_CR4):
354 case MLX5E_PROT_MASK(MLX5E_40GBASE_KR4):
355 case MLX5E_PROT_MASK(MLX5E_40GBASE_SR4):
356 case MLX5E_PROT_MASK(MLX5E_40GBASE_LR4):
357 *active_width = IB_WIDTH_4X;
358 *active_speed = IB_SPEED_QDR;
359 break;
360 case MLX5E_PROT_MASK(MLX5E_50GBASE_CR2):
361 case MLX5E_PROT_MASK(MLX5E_50GBASE_KR2):
362 case MLX5E_PROT_MASK(MLX5E_50GBASE_SR2):
363 *active_width = IB_WIDTH_1X;
364 *active_speed = IB_SPEED_HDR;
365 break;
366 case MLX5E_PROT_MASK(MLX5E_56GBASE_R4):
367 *active_width = IB_WIDTH_4X;
368 *active_speed = IB_SPEED_FDR;
369 break;
370 case MLX5E_PROT_MASK(MLX5E_100GBASE_CR4):
371 case MLX5E_PROT_MASK(MLX5E_100GBASE_SR4):
372 case MLX5E_PROT_MASK(MLX5E_100GBASE_KR4):
373 case MLX5E_PROT_MASK(MLX5E_100GBASE_LR4):
374 *active_width = IB_WIDTH_4X;
375 *active_speed = IB_SPEED_EDR;
376 break;
377 default:
378 return -EINVAL;
379 }
380
381 return 0;
382}
383
095b0927
IT		 384static int mlx5_query_port_roce(struct ib_device *device, u8 port_num,
385 struct ib_port_attr *props)
3f89a643
AS		 386{
387 struct mlx5_ib_dev *dev = to_mdev(device);
da005f9f 388 struct mlx5_core_dev *mdev;
88621dfe 389 struct net_device *ndev, *upper;
3f89a643 390 enum ib_mtu ndev_ib_mtu;
b3cbd6f0 391 bool put_mdev = true;
c876a1b7 392 u16 qkey_viol_cntr;
f1b65df5 393 u32 eth_prot_oper;
b3cbd6f0 394 u8 mdev_port_num;
095b0927 395 int err;
3f89a643 396
b3cbd6f0
DJ		 397 mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num);
398 if (!mdev) {
399 /* This means the port isn't affiliated yet. Get the
400 * info for the master port instead.
401 */
402 put_mdev = false;
403 mdev = dev->mdev;
404 mdev_port_num = 1;
405 port_num = 1;
406 }
407
f1b65df5
NO		 408 /* Possible bad flows are checked before filling out props so in case
409 * of an error it will still be zeroed out.
50f22fd8 410 */
b3cbd6f0
DJ		 411 err = mlx5_query_port_eth_proto_oper(mdev, &eth_prot_oper,
412 mdev_port_num);
095b0927 413 if (err)
b3cbd6f0 414 goto out;
f1b65df5 415
7672ed33
HL		 416 props->active_width = IB_WIDTH_4X;
417 props->active_speed = IB_SPEED_QDR;
418
f1b65df5
NO		 419 translate_eth_proto_oper(eth_prot_oper, &props->active_speed,
420 &props->active_width);
3f89a643 421
2f944c0f
JG		 422 props->port_cap_flags |= IB_PORT_CM_SUP;
423 props->ip_gids = true;
3f89a643
AS		 424
425 props->gid_tbl_len = MLX5_CAP_ROCE(dev->mdev,
426 roce_address_table_size);
427 props->max_mtu = IB_MTU_4096;
428 props->max_msg_sz = 1 << MLX5_CAP_GEN(dev->mdev, log_max_msg);
429 props->pkey_tbl_len = 1;
430 props->state = IB_PORT_DOWN;
431 props->phys_state = 3;
432
b3cbd6f0 433 mlx5_query_nic_vport_qkey_viol_cntr(mdev, &qkey_viol_cntr);
c876a1b7 434 props->qkey_viol_cntr = qkey_viol_cntr;
3f89a643 435
b3cbd6f0
DJ		 436 /* If this is a stub query for an unaffiliated port stop here */
437 if (!put_mdev)
438 goto out;
439
3f89a643
AS		 440 ndev = mlx5_ib_get_netdev(device, port_num);
441 if (!ndev)
b3cbd6f0 442 goto out;
3f89a643 443
88621dfe
AH		 444 if (mlx5_lag_is_active(dev->mdev)) {
445 rcu_read_lock();
446 upper = netdev_master_upper_dev_get_rcu(ndev);
447 if (upper) {
448 dev_put(ndev);
449 ndev = upper;
450 dev_hold(ndev);
451 }
452 rcu_read_unlock();
453 }
454
3f89a643
AS		 455 if (netif_running(ndev) && netif_carrier_ok(ndev)) {
456 props->state = IB_PORT_ACTIVE;
457 props->phys_state = 5;
458 }
459
460 ndev_ib_mtu = iboe_get_mtu(ndev->mtu);
461
462 dev_put(ndev);
463
464 props->active_mtu = min(props->max_mtu, ndev_ib_mtu);
b3cbd6f0
DJ		 465out:
466 if (put_mdev)
467 mlx5_ib_put_native_port_mdev(dev, port_num);
468 return err;
3f89a643
AS		 469}
470
095b0927
IT		 471static int set_roce_addr(struct mlx5_ib_dev *dev, u8 port_num,
472 unsigned int index, const union ib_gid *gid,
473 const struct ib_gid_attr *attr)
3cca2606 474{
095b0927
IT		 475 enum ib_gid_type gid_type = IB_GID_TYPE_IB;
476 u8 roce_version = 0;
477 u8 roce_l3_type = 0;
478 bool vlan = false;
479 u8 mac[ETH_ALEN];
480 u16 vlan_id = 0;
481
482 if (gid) {
483 gid_type = attr->gid_type;
484 ether_addr_copy(mac, attr->ndev->dev_addr);
485
486 if (is_vlan_dev(attr->ndev)) {
487 vlan = true;
488 vlan_id = vlan_dev_vlan_id(attr->ndev);
489 }
3cca2606
AS		 490 }
491
095b0927 492 switch (gid_type) {
3cca2606 493 case IB_GID_TYPE_IB:
095b0927 494 roce_version = MLX5_ROCE_VERSION_1;
3cca2606
AS		 495 break;
496 case IB_GID_TYPE_ROCE_UDP_ENCAP:
095b0927
IT		 497 roce_version = MLX5_ROCE_VERSION_2;
498 if (ipv6_addr_v4mapped((void *)gid))
499 roce_l3_type = MLX5_ROCE_L3_TYPE_IPV4;
500 else
501 roce_l3_type = MLX5_ROCE_L3_TYPE_IPV6;
3cca2606
AS		 502 break;
503
504 default:
095b0927 505 mlx5_ib_warn(dev, "Unexpected GID type %u\n", gid_type);
3cca2606
AS		 506 }
507
095b0927
IT		 508 return mlx5_core_roce_gid_set(dev->mdev, index, roce_version,
509 roce_l3_type, gid->raw, mac, vlan,
cfe4e37f 510 vlan_id, port_num);
3cca2606
AS		 511}
512
f4df9a7c 513static int mlx5_ib_add_gid(const struct ib_gid_attr *attr,
3cca2606
AS		 514 __always_unused void **context)
515{
414448d2 516 return set_roce_addr(to_mdev(attr->device), attr->port_num,
f4df9a7c 517 attr->index, &attr->gid, attr);
3cca2606
AS		 518}
519
414448d2
PP		 520static int mlx5_ib_del_gid(const struct ib_gid_attr *attr,
521 __always_unused void **context)
3cca2606 522{
414448d2
PP		 523 return set_roce_addr(to_mdev(attr->device), attr->port_num,
524 attr->index, NULL, NULL);
3cca2606
AS		 525}
526
47ec3866
PP		 527__be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev,
528 const struct ib_gid_attr *attr)
2811ba51 529{
47ec3866 530 if (attr->gid_type != IB_GID_TYPE_ROCE_UDP_ENCAP)
2811ba51
AS		 531 return 0;
532
533 return cpu_to_be16(MLX5_CAP_ROCE(dev->mdev, r_roce_min_src_udp_port));
534}
535
1b5daf11
MD		 536static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev)
537{
7fae6655
NO		 538 if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB)
539 return !MLX5_CAP_GEN(dev->mdev, ib_virt);
540 return 0;
1b5daf11
MD		 541}
542
543enum {
544 MLX5_VPORT_ACCESS_METHOD_MAD,
545 MLX5_VPORT_ACCESS_METHOD_HCA,
546 MLX5_VPORT_ACCESS_METHOD_NIC,
547};
548
549static int mlx5_get_vport_access_method(struct ib_device *ibdev)
550{
551 if (mlx5_use_mad_ifc(to_mdev(ibdev)))
552 return MLX5_VPORT_ACCESS_METHOD_MAD;
553
ebd61f68 554 if (mlx5_ib_port_link_layer(ibdev, 1) ==
1b5daf11
MD		 555 IB_LINK_LAYER_ETHERNET)
556 return MLX5_VPORT_ACCESS_METHOD_NIC;
557
558 return MLX5_VPORT_ACCESS_METHOD_HCA;
559}
560
da7525d2 561static void get_atomic_caps(struct mlx5_ib_dev *dev,
776a3906 562 u8 atomic_size_qp,
da7525d2
EBE		 563 struct ib_device_attr *props)
564{
565 u8 tmp;
566 u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations);
da7525d2 567 u8 atomic_req_8B_endianness_mode =
bd10838a 568 MLX5_CAP_ATOMIC(dev->mdev, atomic_req_8B_endianness_mode);
da7525d2
EBE		 569
570 /* Check if HW supports 8 bytes standard atomic operations and capable
571 * of host endianness respond
572 */
573 tmp = MLX5_ATOMIC_OPS_CMP_SWAP | MLX5_ATOMIC_OPS_FETCH_ADD;
574 if (((atomic_operations & tmp) == tmp) &&
575 (atomic_size_qp & MLX5_ATOMIC_SIZE_QP_8BYTES) &&
576 (atomic_req_8B_endianness_mode)) {
577 props->atomic_cap = IB_ATOMIC_HCA;
578 } else {
579 props->atomic_cap = IB_ATOMIC_NONE;
580 }
581}
582
776a3906
MS		 583static void get_atomic_caps_qp(struct mlx5_ib_dev *dev,
584 struct ib_device_attr *props)
585{
586 u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp);
587
588 get_atomic_caps(dev, atomic_size_qp, props);
589}
590
591static void get_atomic_caps_dc(struct mlx5_ib_dev *dev,
592 struct ib_device_attr *props)
593{
594 u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc);
595
596 get_atomic_caps(dev, atomic_size_qp, props);
597}
598
599bool mlx5_ib_dc_atomic_is_supported(struct mlx5_ib_dev *dev)
600{
601 struct ib_device_attr props = {};
602
603 get_atomic_caps_dc(dev, &props);
604 return (props.atomic_cap == IB_ATOMIC_HCA) ? true : false;
605}
1b5daf11
MD		 606static int mlx5_query_system_image_guid(struct ib_device *ibdev,
607 __be64 *sys_image_guid)
608{
609 struct mlx5_ib_dev *dev = to_mdev(ibdev);
610 struct mlx5_core_dev *mdev = dev->mdev;
611 u64 tmp;
612 int err;
613
614 switch (mlx5_get_vport_access_method(ibdev)) {
615 case MLX5_VPORT_ACCESS_METHOD_MAD:
616 return mlx5_query_mad_ifc_system_image_guid(ibdev,
617 sys_image_guid);
618
619 case MLX5_VPORT_ACCESS_METHOD_HCA:
620 err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp);
3f89a643
AS		 621 break;
622
623 case MLX5_VPORT_ACCESS_METHOD_NIC:
624 err = mlx5_query_nic_vport_system_image_guid(mdev, &tmp);
625 break;
1b5daf11
MD		 626
627 default:
628 return -EINVAL;
629 }
3f89a643
AS		 630
631 if (!err)
632 *sys_image_guid = cpu_to_be64(tmp);
633
634 return err;
635
1b5daf11
MD		 636}
637
638static int mlx5_query_max_pkeys(struct ib_device *ibdev,
639 u16 *max_pkeys)
640{
641 struct mlx5_ib_dev *dev = to_mdev(ibdev);
642 struct mlx5_core_dev *mdev = dev->mdev;
643
644 switch (mlx5_get_vport_access_method(ibdev)) {
645 case MLX5_VPORT_ACCESS_METHOD_MAD:
646 return mlx5_query_mad_ifc_max_pkeys(ibdev, max_pkeys);
647
648 case MLX5_VPORT_ACCESS_METHOD_HCA:
649 case MLX5_VPORT_ACCESS_METHOD_NIC:
650 *max_pkeys = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev,
651 pkey_table_size));
652 return 0;
653
654 default:
655 return -EINVAL;
656 }
657}
658
659static int mlx5_query_vendor_id(struct ib_device *ibdev,
660 u32 *vendor_id)
661{
662 struct mlx5_ib_dev *dev = to_mdev(ibdev);
663
664 switch (mlx5_get_vport_access_method(ibdev)) {
665 case MLX5_VPORT_ACCESS_METHOD_MAD:
666 return mlx5_query_mad_ifc_vendor_id(ibdev, vendor_id);
667
668 case MLX5_VPORT_ACCESS_METHOD_HCA:
669 case MLX5_VPORT_ACCESS_METHOD_NIC:
670 return mlx5_core_query_vendor_id(dev->mdev, vendor_id);
671
672 default:
673 return -EINVAL;
674 }
675}
676
677static int mlx5_query_node_guid(struct mlx5_ib_dev *dev,
678 __be64 *node_guid)
679{
680 u64 tmp;
681 int err;
682
683 switch (mlx5_get_vport_access_method(&dev->ib_dev)) {
684 case MLX5_VPORT_ACCESS_METHOD_MAD:
685 return mlx5_query_mad_ifc_node_guid(dev, node_guid);
686
687 case MLX5_VPORT_ACCESS_METHOD_HCA:
688 err = mlx5_query_hca_vport_node_guid(dev->mdev, &tmp);
3f89a643
AS		 689 break;
690
691 case MLX5_VPORT_ACCESS_METHOD_NIC:
692 err = mlx5_query_nic_vport_node_guid(dev->mdev, &tmp);
693 break;
1b5daf11
MD		 694
695 default:
696 return -EINVAL;
697 }
3f89a643
AS		 698
699 if (!err)
700 *node_guid = cpu_to_be64(tmp);
701
702 return err;
1b5daf11
MD		 703}
704
705struct mlx5_reg_node_desc {
bd99fdea 706 u8 desc[IB_DEVICE_NODE_DESC_MAX];
1b5daf11
MD		 707};
708
709static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc)
710{
711 struct mlx5_reg_node_desc in;
712
713 if (mlx5_use_mad_ifc(dev))
714 return mlx5_query_mad_ifc_node_desc(dev, node_desc);
715
716 memset(&in, 0, sizeof(in));
717
718 return mlx5_core_access_reg(dev->mdev, &in, sizeof(in), node_desc,
719 sizeof(struct mlx5_reg_node_desc),
720 MLX5_REG_NODE_DESC, 0, 0);
721}
722
e126ba97 723static int mlx5_ib_query_device(struct ib_device *ibdev,
2528e33e
MB		 724 struct ib_device_attr *props,
725 struct ib_udata *uhw)
e126ba97
EC		 726{
727 struct mlx5_ib_dev *dev = to_mdev(ibdev);
938fe83c 728 struct mlx5_core_dev *mdev = dev->mdev;
e126ba97 729 int err = -ENOMEM;
288c01b7 730 int max_sq_desc;
e126ba97
EC		 731 int max_rq_sg;
732 int max_sq_sg;
e0238a6a 733 u64 min_page_size = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz);
85c7c014 734 bool raw_support = !mlx5_core_mp_enabled(mdev);
402ca536
BW		 735 struct mlx5_ib_query_device_resp resp = {};
736 size_t resp_len;
737 u64 max_tso;
e126ba97 738
402ca536
BW		 739 resp_len = sizeof(resp.comp_mask) + sizeof(resp.response_length);
740 if (uhw->outlen && uhw->outlen < resp_len)
741 return -EINVAL;
742 else
743 resp.response_length = resp_len;
744
745 if (uhw->inlen && !ib_is_udata_cleared(uhw, 0, uhw->inlen))
2528e33e
MB		 746 return -EINVAL;
747
1b5daf11
MD		 748 memset(props, 0, sizeof(*props));
749 err = mlx5_query_system_image_guid(ibdev,
750 &props->sys_image_guid);
751 if (err)
752 return err;
e126ba97 753
1b5daf11 754 err = mlx5_query_max_pkeys(ibdev, &props->max_pkeys);
e126ba97 755 if (err)
1b5daf11 756 return err;
e126ba97 757
1b5daf11
MD		 758 err = mlx5_query_vendor_id(ibdev, &props->vendor_id);
759 if (err)
760 return err;
e126ba97 761
9603b61d
JM		 762 props->fw_ver = ((u64)fw_rev_maj(dev->mdev) << 32) |
763 (fw_rev_min(dev->mdev) << 16) |
764 fw_rev_sub(dev->mdev);
e126ba97
EC		 765 props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
766 IB_DEVICE_PORT_ACTIVE_EVENT |
767 IB_DEVICE_SYS_IMAGE_GUID |
1a4c3a3d 768 IB_DEVICE_RC_RNR_NAK_GEN;
938fe83c
SM		 769
770 if (MLX5_CAP_GEN(mdev, pkv))
e126ba97 771 props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
938fe83c 772 if (MLX5_CAP_GEN(mdev, qkv))
e126ba97 773 props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
938fe83c 774 if (MLX5_CAP_GEN(mdev, apm))
e126ba97 775 props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
938fe83c 776 if (MLX5_CAP_GEN(mdev, xrc))
e126ba97 777 props->device_cap_flags |= IB_DEVICE_XRC;
d2370e0a
MB		 778 if (MLX5_CAP_GEN(mdev, imaicl)) {
779 props->device_cap_flags |= IB_DEVICE_MEM_WINDOW |
780 IB_DEVICE_MEM_WINDOW_TYPE_2B;
781 props->max_mw = 1 << MLX5_CAP_GEN(mdev, log_max_mkey);
b005d316
SG		 782 /* We support 'Gappy' memory registration too */
783 props->device_cap_flags |= IB_DEVICE_SG_GAPS_REG;
d2370e0a 784 }
e126ba97 785 props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
938fe83c 786 if (MLX5_CAP_GEN(mdev, sho)) {
2dea9094
SG		 787 props->device_cap_flags |= IB_DEVICE_SIGNATURE_HANDOVER;
788 /* At this stage no support for signature handover */
789 props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 |
790 IB_PROT_T10DIF_TYPE_2 |
791 IB_PROT_T10DIF_TYPE_3;
792 props->sig_guard_cap = IB_GUARD_T10DIF_CRC |
793 IB_GUARD_T10DIF_CSUM;
794 }
938fe83c 795 if (MLX5_CAP_GEN(mdev, block_lb_mc))
f360d88a 796 props->device_cap_flags |= IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
e126ba97 797
85c7c014 798 if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && raw_support) {
e8161334
NO		 799 if (MLX5_CAP_ETH(mdev, csum_cap)) {
800 /* Legacy bit to support old userspace libraries */
88115fe7 801 props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM;
e8161334
NO		 802 props->raw_packet_caps |= IB_RAW_PACKET_CAP_IP_CSUM;
803 }
804
805 if (MLX5_CAP_ETH(dev->mdev, vlan_cap))
806 props->raw_packet_caps |=
807 IB_RAW_PACKET_CAP_CVLAN_STRIPPING;
88115fe7 808
402ca536
BW		 809 if (field_avail(typeof(resp), tso_caps, uhw->outlen)) {
810 max_tso = MLX5_CAP_ETH(mdev, max_lso_cap);
811 if (max_tso) {
812 resp.tso_caps.max_tso = 1 << max_tso;
813 resp.tso_caps.supported_qpts |=
814 1 << IB_QPT_RAW_PACKET;
815 resp.response_length += sizeof(resp.tso_caps);
816 }
817 }
31f69a82
YH		 818
819 if (field_avail(typeof(resp), rss_caps, uhw->outlen)) {
820 resp.rss_caps.rx_hash_function =
821 MLX5_RX_HASH_FUNC_TOEPLITZ;
822 resp.rss_caps.rx_hash_fields_mask =
823 MLX5_RX_HASH_SRC_IPV4 |
824 MLX5_RX_HASH_DST_IPV4 |
825 MLX5_RX_HASH_SRC_IPV6 |
826 MLX5_RX_HASH_DST_IPV6 |
827 MLX5_RX_HASH_SRC_PORT_TCP |
828 MLX5_RX_HASH_DST_PORT_TCP |
829 MLX5_RX_HASH_SRC_PORT_UDP |
4e2b53a5
MG		 830 MLX5_RX_HASH_DST_PORT_UDP |
831 MLX5_RX_HASH_INNER;
2d93fc85
MB		 832 if (mlx5_accel_ipsec_device_caps(dev->mdev) &
833 MLX5_ACCEL_IPSEC_CAP_DEVICE)
834 resp.rss_caps.rx_hash_fields_mask |=
835 MLX5_RX_HASH_IPSEC_SPI;
31f69a82
YH		 836 resp.response_length += sizeof(resp.rss_caps);
837 }
838 } else {
839 if (field_avail(typeof(resp), tso_caps, uhw->outlen))
840 resp.response_length += sizeof(resp.tso_caps);
841 if (field_avail(typeof(resp), rss_caps, uhw->outlen))
842 resp.response_length += sizeof(resp.rss_caps);
402ca536
BW		 843 }
844
f0313965
ES		 845 if (MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) {
846 props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
847 props->device_cap_flags |= IB_DEVICE_UD_TSO;
848 }
849
03404e8a 850 if (MLX5_CAP_GEN(dev->mdev, rq_delay_drop) &&
85c7c014
DJ		 851 MLX5_CAP_GEN(dev->mdev, general_notification_event) &&
852 raw_support)
03404e8a
MG		 853 props->raw_packet_caps |= IB_RAW_PACKET_CAP_DELAY_DROP;
854
1d54f890
YH		 855 if (MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads) &&
856 MLX5_CAP_IPOIB_ENHANCED(mdev, csum_cap))
857 props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
858
cff5a0f3 859 if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) &&
85c7c014
DJ		 860 MLX5_CAP_ETH(dev->mdev, scatter_fcs) &&
861 raw_support) {
e8161334 862 /* Legacy bit to support old userspace libraries */
cff5a0f3 863 props->device_cap_flags |= IB_DEVICE_RAW_SCATTER_FCS;
e8161334
NO		 864 props->raw_packet_caps |= IB_RAW_PACKET_CAP_SCATTER_FCS;
865 }
cff5a0f3 866
24da0016
AL		 867 if (MLX5_CAP_DEV_MEM(mdev, memic)) {
868 props->max_dm_size =
869 MLX5_CAP_DEV_MEM(mdev, max_memic_size);
870 }
871
da6d6ba3
MG		 872 if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS))
873 props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING;
874
b1383aa6
NO		 875 if (MLX5_CAP_GEN(mdev, end_pad))
876 props->device_cap_flags |= IB_DEVICE_PCI_WRITE_END_PADDING;
877
1b5daf11
MD		 878 props->vendor_part_id = mdev->pdev->device;
879 props->hw_ver = mdev->pdev->revision;
e126ba97
EC		 880
881 props->max_mr_size = ~0ull;
e0238a6a 882 props->page_size_cap = ~(min_page_size - 1);
938fe83c
SM		 883 props->max_qp = 1 << MLX5_CAP_GEN(mdev, log_max_qp);
884 props->max_qp_wr = 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz);
885 max_rq_sg = MLX5_CAP_GEN(mdev, max_wqe_sz_rq) /
886 sizeof(struct mlx5_wqe_data_seg);
288c01b7
EC		 887 max_sq_desc = min_t(int, MLX5_CAP_GEN(mdev, max_wqe_sz_sq), 512);
888 max_sq_sg = (max_sq_desc - sizeof(struct mlx5_wqe_ctrl_seg) -
889 sizeof(struct mlx5_wqe_raddr_seg)) /
890 sizeof(struct mlx5_wqe_data_seg);
33023fb8
SW		 891 props->max_send_sge = max_sq_sg;
892 props->max_recv_sge = max_rq_sg;
986ef95e 893 props->max_sge_rd = MLX5_MAX_SGE_RD;
938fe83c 894 props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq);
9f177686 895 props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1;
938fe83c
SM		 896 props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey);
897 props->max_pd = 1 << MLX5_CAP_GEN(mdev, log_max_pd);
898 props->max_qp_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_req_qp);
899 props->max_qp_init_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_res_qp);
900 props->max_srq = 1 << MLX5_CAP_GEN(mdev, log_max_srq);
901 props->max_srq_wr = (1 << MLX5_CAP_GEN(mdev, log_max_srq_sz)) - 1;
902 props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay);
e126ba97 903 props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp;
e126ba97 904 props->max_srq_sge = max_rq_sg - 1;
911f4331
SG		 905 props->max_fast_reg_page_list_len =
906 1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size);
776a3906 907 get_atomic_caps_qp(dev, props);
81bea28f 908 props->masked_atomic_cap = IB_ATOMIC_NONE;
938fe83c
SM		 909 props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg);
910 props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg);
e126ba97
EC		 911 props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
912 props->max_mcast_grp;
913 props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */
86695a65 914 props->max_ah = INT_MAX;
7c60bcbb
MB		 915 props->hca_core_clock = MLX5_CAP_GEN(mdev, device_frequency_khz);
916 props->timestamp_mask = 0x7FFFFFFFFFFFFFFFULL;
e126ba97 917
8cdd312c 918#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
938fe83c 919 if (MLX5_CAP_GEN(mdev, pg))
8cdd312c
HE		 920 props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING;
921 props->odp_caps = dev->odp_caps;
922#endif
923
051f2630
LR		 924 if (MLX5_CAP_GEN(mdev, cd))
925 props->device_cap_flags |= IB_DEVICE_CROSS_CHANNEL;
926
eff901d3
EC		 927 if (!mlx5_core_is_pf(mdev))
928 props->device_cap_flags |= IB_DEVICE_VIRTUAL_FUNCTION;
929
31f69a82 930 if (mlx5_ib_port_link_layer(ibdev, 1) ==
85c7c014 931 IB_LINK_LAYER_ETHERNET && raw_support) {
31f69a82
YH		 932 props->rss_caps.max_rwq_indirection_tables =
933 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt);
934 props->rss_caps.max_rwq_indirection_table_size =
935 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt_size);
936 props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET;
937 props->max_wq_type_rq =
938 1 << MLX5_CAP_GEN(dev->mdev, log_max_rq);
939 }
940
eb761894 941 if (MLX5_CAP_GEN(mdev, tag_matching)) {
78b1beb0
LR		 942 props->tm_caps.max_rndv_hdr_size = MLX5_TM_MAX_RNDV_MSG_SIZE;
943 props->tm_caps.max_num_tags =
eb761894 944 (1 << MLX5_CAP_GEN(mdev, log_tag_matching_list_sz)) - 1;
78b1beb0
LR		 945 props->tm_caps.flags = IB_TM_CAP_RC;
946 props->tm_caps.max_ops =
eb761894 947 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz);
78b1beb0 948 props->tm_caps.max_sge = MLX5_TM_MAX_SGE;
eb761894
AK		 949 }
950
87ab3f52
YC		 951 if (MLX5_CAP_GEN(dev->mdev, cq_moderation)) {
952 props->cq_caps.max_cq_moderation_count =
953 MLX5_MAX_CQ_COUNT;
954 props->cq_caps.max_cq_moderation_period =
955 MLX5_MAX_CQ_PERIOD;
956 }
957
7e43a2a5 958 if (field_avail(typeof(resp), cqe_comp_caps, uhw->outlen)) {
7e43a2a5 959 resp.response_length += sizeof(resp.cqe_comp_caps);
572f46bf
YC		 960
961 if (MLX5_CAP_GEN(dev->mdev, cqe_compression)) {
962 resp.cqe_comp_caps.max_num =
963 MLX5_CAP_GEN(dev->mdev,
964 cqe_compression_max_num);
965
966 resp.cqe_comp_caps.supported_format =
967 MLX5_IB_CQE_RES_FORMAT_HASH |
968 MLX5_IB_CQE_RES_FORMAT_CSUM;
6f1006a4
YC		 969
970 if (MLX5_CAP_GEN(dev->mdev, mini_cqe_resp_stride_index))
971 resp.cqe_comp_caps.supported_format |=
972 MLX5_IB_CQE_RES_FORMAT_CSUM_STRIDX;
572f46bf 973 }
7e43a2a5
BW		 974 }
975
85c7c014
DJ		 976 if (field_avail(typeof(resp), packet_pacing_caps, uhw->outlen) &&
977 raw_support) {
d949167d
BW		 978 if (MLX5_CAP_QOS(mdev, packet_pacing) &&
979 MLX5_CAP_GEN(mdev, qos)) {
980 resp.packet_pacing_caps.qp_rate_limit_max =
981 MLX5_CAP_QOS(mdev, packet_pacing_max_rate);
982 resp.packet_pacing_caps.qp_rate_limit_min =
983 MLX5_CAP_QOS(mdev, packet_pacing_min_rate);
984 resp.packet_pacing_caps.supported_qpts |=
985 1 << IB_QPT_RAW_PACKET;
61147f39
BW		 986 if (MLX5_CAP_QOS(mdev, packet_pacing_burst_bound) &&
987 MLX5_CAP_QOS(mdev, packet_pacing_typical_size))
988 resp.packet_pacing_caps.cap_flags |=
989 MLX5_IB_PP_SUPPORT_BURST;
d949167d
BW		 990 }
991 resp.response_length += sizeof(resp.packet_pacing_caps);
992 }
993
9f885201
LR		 994 if (field_avail(typeof(resp), mlx5_ib_support_multi_pkt_send_wqes,
995 uhw->outlen)) {
795b609c
BW		 996 if (MLX5_CAP_ETH(mdev, multi_pkt_send_wqe))
997 resp.mlx5_ib_support_multi_pkt_send_wqes =
998 MLX5_IB_ALLOW_MPW;
050da902
BW		 999
1000 if (MLX5_CAP_ETH(mdev, enhanced_multi_pkt_send_wqe))
1001 resp.mlx5_ib_support_multi_pkt_send_wqes |=
1002 MLX5_IB_SUPPORT_EMPW;
1003
9f885201
LR		 1004 resp.response_length +=
1005 sizeof(resp.mlx5_ib_support_multi_pkt_send_wqes);
1006 }
1007
de57f2ad
GL		 1008 if (field_avail(typeof(resp), flags, uhw->outlen)) {
1009 resp.response_length += sizeof(resp.flags);
7a0c8f42 1010
de57f2ad
GL		 1011 if (MLX5_CAP_GEN(mdev, cqe_compression_128))
1012 resp.flags |=
1013 MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_COMP;
7a0c8f42
GL		 1014
1015 if (MLX5_CAP_GEN(mdev, cqe_128_always))
1016 resp.flags |= MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_PAD;
de57f2ad 1017 }
9f885201 1018
96dc3fc5
NO		 1019 if (field_avail(typeof(resp), sw_parsing_caps,
1020 uhw->outlen)) {
1021 resp.response_length += sizeof(resp.sw_parsing_caps);
1022 if (MLX5_CAP_ETH(mdev, swp)) {
1023 resp.sw_parsing_caps.sw_parsing_offloads |=
1024 MLX5_IB_SW_PARSING;
1025
1026 if (MLX5_CAP_ETH(mdev, swp_csum))
1027 resp.sw_parsing_caps.sw_parsing_offloads |=
1028 MLX5_IB_SW_PARSING_CSUM;
1029
1030 if (MLX5_CAP_ETH(mdev, swp_lso))
1031 resp.sw_parsing_caps.sw_parsing_offloads |=
1032 MLX5_IB_SW_PARSING_LSO;
1033
1034 if (resp.sw_parsing_caps.sw_parsing_offloads)
1035 resp.sw_parsing_caps.supported_qpts =
1036 BIT(IB_QPT_RAW_PACKET);
1037 }
1038 }
1039
85c7c014
DJ		 1040 if (field_avail(typeof(resp), striding_rq_caps, uhw->outlen) &&
1041 raw_support) {
b4f34597
NO		 1042 resp.response_length += sizeof(resp.striding_rq_caps);
1043 if (MLX5_CAP_GEN(mdev, striding_rq)) {
1044 resp.striding_rq_caps.min_single_stride_log_num_of_bytes =
1045 MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES;
1046 resp.striding_rq_caps.max_single_stride_log_num_of_bytes =
1047 MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES;
1048 resp.striding_rq_caps.min_single_wqe_log_num_of_strides =
1049 MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES;
1050 resp.striding_rq_caps.max_single_wqe_log_num_of_strides =
1051 MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES;
1052 resp.striding_rq_caps.supported_qpts =
1053 BIT(IB_QPT_RAW_PACKET);
1054 }
1055 }
1056
f95ef6cb
MG		 1057 if (field_avail(typeof(resp), tunnel_offloads_caps,
1058 uhw->outlen)) {
1059 resp.response_length += sizeof(resp.tunnel_offloads_caps);
1060 if (MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan))
1061 resp.tunnel_offloads_caps |=
1062 MLX5_IB_TUNNELED_OFFLOADS_VXLAN;
1063 if (MLX5_CAP_ETH(mdev, tunnel_stateless_geneve_rx))
1064 resp.tunnel_offloads_caps |=
1065 MLX5_IB_TUNNELED_OFFLOADS_GENEVE;
1066 if (MLX5_CAP_ETH(mdev, tunnel_stateless_gre))
1067 resp.tunnel_offloads_caps |=
1068 MLX5_IB_TUNNELED_OFFLOADS_GRE;
e818e255
AL		 1069 if (MLX5_CAP_GEN(mdev, flex_parser_protocols) &
1070 MLX5_FLEX_PROTO_CW_MPLS_GRE)
1071 resp.tunnel_offloads_caps |=
1072 MLX5_IB_TUNNELED_OFFLOADS_MPLS_GRE;
1073 if (MLX5_CAP_GEN(mdev, flex_parser_protocols) &
1074 MLX5_FLEX_PROTO_CW_MPLS_UDP)
1075 resp.tunnel_offloads_caps |=
1076 MLX5_IB_TUNNELED_OFFLOADS_MPLS_UDP;
f95ef6cb
MG		 1077 }
1078
402ca536
BW		 1079 if (uhw->outlen) {
1080 err = ib_copy_to_udata(uhw, &resp, resp.response_length);
1081
1082 if (err)
1083 return err;
1084 }
1085
1b5daf11 1086 return 0;
e126ba97
EC		 1087}
1088
1b5daf11
MD		 1089enum mlx5_ib_width {
1090 MLX5_IB_WIDTH_1X = 1 << 0,
1091 MLX5_IB_WIDTH_2X = 1 << 1,
1092 MLX5_IB_WIDTH_4X = 1 << 2,
1093 MLX5_IB_WIDTH_8X = 1 << 3,
1094 MLX5_IB_WIDTH_12X = 1 << 4
1095};
1096
db7a691a 1097static void translate_active_width(struct ib_device *ibdev, u8 active_width,
1b5daf11 1098 u8 *ib_width)
e126ba97
EC		 1099{
1100 struct mlx5_ib_dev *dev = to_mdev(ibdev);
1b5daf11 1101
db7a691a 1102 if (active_width & MLX5_IB_WIDTH_1X)
1b5daf11 1103 *ib_width = IB_WIDTH_1X;
db7a691a 1104 else if (active_width & MLX5_IB_WIDTH_4X)
1b5daf11 1105 *ib_width = IB_WIDTH_4X;
db7a691a 1106 else if (active_width & MLX5_IB_WIDTH_8X)
1b5daf11 1107 *ib_width = IB_WIDTH_8X;
db7a691a 1108 else if (active_width & MLX5_IB_WIDTH_12X)
1b5daf11 1109 *ib_width = IB_WIDTH_12X;
db7a691a
MG		 1110 else {
1111 mlx5_ib_dbg(dev, "Invalid active_width %d, setting width to default value: 4x\n",
1b5daf11 1112 (int)active_width);
db7a691a 1113 *ib_width = IB_WIDTH_4X;
e126ba97
EC		 1114 }
1115
db7a691a 1116 return;
1b5daf11 1117}
e126ba97 1118
1b5daf11
MD		 1119static int mlx5_mtu_to_ib_mtu(int mtu)
1120{
1121 switch (mtu) {
1122 case 256: return 1;
1123 case 512: return 2;
1124 case 1024: return 3;
1125 case 2048: return 4;
1126 case 4096: return 5;
1127 default:
1128 pr_warn("invalid mtu\n");
1129 return -1;
e126ba97 1130 }
1b5daf11 1131}
e126ba97 1132
1b5daf11
MD		 1133enum ib_max_vl_num {
1134 __IB_MAX_VL_0 = 1,
1135 __IB_MAX_VL_0_1 = 2,
1136 __IB_MAX_VL_0_3 = 3,
1137 __IB_MAX_VL_0_7 = 4,
1138 __IB_MAX_VL_0_14 = 5,
1139};
e126ba97 1140
1b5daf11
MD		 1141enum mlx5_vl_hw_cap {
1142 MLX5_VL_HW_0 = 1,
1143 MLX5_VL_HW_0_1 = 2,
1144 MLX5_VL_HW_0_2 = 3,
1145 MLX5_VL_HW_0_3 = 4,
1146 MLX5_VL_HW_0_4 = 5,
1147 MLX5_VL_HW_0_5 = 6,
1148 MLX5_VL_HW_0_6 = 7,
1149 MLX5_VL_HW_0_7 = 8,
1150 MLX5_VL_HW_0_14 = 15
1151};
e126ba97 1152
1b5daf11
MD		 1153static int translate_max_vl_num(struct ib_device *ibdev, u8 vl_hw_cap,
1154 u8 *max_vl_num)
1155{
1156 switch (vl_hw_cap) {
1157 case MLX5_VL_HW_0:
1158 *max_vl_num = __IB_MAX_VL_0;
1159 break;
1160 case MLX5_VL_HW_0_1:
1161 *max_vl_num = __IB_MAX_VL_0_1;
1162 break;
1163 case MLX5_VL_HW_0_3:
1164 *max_vl_num = __IB_MAX_VL_0_3;
1165 break;
1166 case MLX5_VL_HW_0_7:
1167 *max_vl_num = __IB_MAX_VL_0_7;
1168 break;
1169 case MLX5_VL_HW_0_14:
1170 *max_vl_num = __IB_MAX_VL_0_14;
1171 break;
e126ba97 1172
1b5daf11
MD		 1173 default:
1174 return -EINVAL;
e126ba97 1175 }
e126ba97 1176
1b5daf11 1177 return 0;
e126ba97
EC		 1178}
1179
1b5daf11
MD		 1180static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port,
1181 struct ib_port_attr *props)
e126ba97 1182{
1b5daf11
MD		 1183 struct mlx5_ib_dev *dev = to_mdev(ibdev);
1184 struct mlx5_core_dev *mdev = dev->mdev;
1185 struct mlx5_hca_vport_context *rep;
046339ea
SM		 1186 u16 max_mtu;
1187 u16 oper_mtu;
1b5daf11
MD		 1188 int err;
1189 u8 ib_link_width_oper;
1190 u8 vl_hw_cap;
e126ba97 1191
1b5daf11
MD		 1192 rep = kzalloc(sizeof(*rep), GFP_KERNEL);
1193 if (!rep) {
1194 err = -ENOMEM;
e126ba97 1195 goto out;
e126ba97 1196 }
e126ba97 1197
c4550c63 1198 /* props being zeroed by the caller, avoid zeroing it here */
e126ba97 1199
1b5daf11 1200 err = mlx5_query_hca_vport_context(mdev, 0, port, 0, rep);
e126ba97
EC		 1201 if (err)
1202 goto out;
1203
1b5daf11
MD		 1204 props->lid = rep->lid;
1205 props->lmc = rep->lmc;
1206 props->sm_lid = rep->sm_lid;
1207 props->sm_sl = rep->sm_sl;
1208 props->state = rep->vport_state;
1209 props->phys_state = rep->port_physical_state;
1210 props->port_cap_flags = rep->cap_mask1;
1211 props->gid_tbl_len = mlx5_get_gid_table_len(MLX5_CAP_GEN(mdev, gid_table_size));
1212 props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg);
1213 props->pkey_tbl_len = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, pkey_table_size));
1214 props->bad_pkey_cntr = rep->pkey_violation_counter;
1215 props->qkey_viol_cntr = rep->qkey_violation_counter;
1216 props->subnet_timeout = rep->subnet_timeout;
1217 props->init_type_reply = rep->init_type_reply;
e126ba97 1218
1b5daf11
MD		 1219 err = mlx5_query_port_link_width_oper(mdev, &ib_link_width_oper, port);
1220 if (err)
e126ba97 1221 goto out;
e126ba97 1222
db7a691a
MG		 1223 translate_active_width(ibdev, ib_link_width_oper, &props->active_width);
1224
d5beb7f2 1225 err = mlx5_query_port_ib_proto_oper(mdev, &props->active_speed, port);
e126ba97
EC		 1226 if (err)
1227 goto out;
1228
facc9699 1229 mlx5_query_port_max_mtu(mdev, &max_mtu, port);
e126ba97 1230
1b5daf11 1231 props->max_mtu = mlx5_mtu_to_ib_mtu(max_mtu);
e126ba97 1232
facc9699 1233 mlx5_query_port_oper_mtu(mdev, &oper_mtu, port);
e126ba97 1234
1b5daf11 1235 props->active_mtu = mlx5_mtu_to_ib_mtu(oper_mtu);
e126ba97 1236
1b5daf11
MD		 1237 err = mlx5_query_port_vl_hw_cap(mdev, &vl_hw_cap, port);
1238 if (err)
1239 goto out;
e126ba97 1240
1b5daf11
MD		 1241 err = translate_max_vl_num(ibdev, vl_hw_cap,
1242 &props->max_vl_num);
e126ba97 1243out:
1b5daf11 1244 kfree(rep);
e126ba97
EC		 1245 return err;
1246}
1247
1b5daf11
MD		 1248int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,
1249 struct ib_port_attr *props)
e126ba97 1250{
095b0927
IT		 1251 unsigned int count;
1252 int ret;
1253
1b5daf11
MD		 1254 switch (mlx5_get_vport_access_method(ibdev)) {
1255 case MLX5_VPORT_ACCESS_METHOD_MAD:
095b0927
IT		 1256 ret = mlx5_query_mad_ifc_port(ibdev, port, props);
1257 break;
e126ba97 1258
1b5daf11 1259 case MLX5_VPORT_ACCESS_METHOD_HCA:
095b0927
IT		 1260 ret = mlx5_query_hca_port(ibdev, port, props);
1261 break;
e126ba97 1262
3f89a643 1263 case MLX5_VPORT_ACCESS_METHOD_NIC:
095b0927
IT		 1264 ret = mlx5_query_port_roce(ibdev, port, props);
1265 break;
3f89a643 1266
1b5daf11 1267 default:
095b0927
IT		 1268 ret = -EINVAL;
1269 }
1270
1271 if (!ret && props) {
b3cbd6f0
DJ		 1272 struct mlx5_ib_dev *dev = to_mdev(ibdev);
1273 struct mlx5_core_dev *mdev;
1274 bool put_mdev = true;
1275
1276 mdev = mlx5_ib_get_native_port_mdev(dev, port, NULL);
1277 if (!mdev) {
1278 /* If the port isn't affiliated yet query the master.
1279 * The master and slave will have the same values.
1280 */
1281 mdev = dev->mdev;
1282 port = 1;
1283 put_mdev = false;
1284 }
1285 count = mlx5_core_reserved_gids_count(mdev);
1286 if (put_mdev)
1287 mlx5_ib_put_native_port_mdev(dev, port);
095b0927 1288 props->gid_tbl_len -= count;
1b5daf11 1289 }
095b0927 1290 return ret;
1b5daf11 1291}
e126ba97 1292
8e6efa3a
MB		 1293static int mlx5_ib_rep_query_port(struct ib_device *ibdev, u8 port,
1294 struct ib_port_attr *props)
1295{
1296 int ret;
1297
1298 /* Only link layer == ethernet is valid for representors */
1299 ret = mlx5_query_port_roce(ibdev, port, props);
1300 if (ret || !props)
1301 return ret;
1302
1303 /* We don't support GIDS */
1304 props->gid_tbl_len = 0;
1305
1306 return ret;
1307}
1308
1b5daf11
MD		 1309static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
1310 union ib_gid *gid)
1311{
1312 struct mlx5_ib_dev *dev = to_mdev(ibdev);
1313 struct mlx5_core_dev *mdev = dev->mdev;
e126ba97 1314
1b5daf11
MD		 1315 switch (mlx5_get_vport_access_method(ibdev)) {
1316 case MLX5_VPORT_ACCESS_METHOD_MAD:
1317 return mlx5_query_mad_ifc_gids(ibdev, port, index, gid);
e126ba97 1318
1b5daf11
MD		 1319 case MLX5_VPORT_ACCESS_METHOD_HCA:
1320 return mlx5_query_hca_vport_gid(mdev, 0, port, 0, index, gid);
1321
1322 default:
1323 return -EINVAL;
1324 }
e126ba97 1325
e126ba97
EC		 1326}
1327
b3cbd6f0
DJ		 1328static int mlx5_query_hca_nic_pkey(struct ib_device *ibdev, u8 port,
1329 u16 index, u16 *pkey)
1b5daf11
MD		 1330{
1331 struct mlx5_ib_dev *dev = to_mdev(ibdev);
b3cbd6f0
DJ		 1332 struct mlx5_core_dev *mdev;
1333 bool put_mdev = true;
1334 u8 mdev_port_num;
1335 int err;
1b5daf11 1336
b3cbd6f0
DJ		 1337 mdev = mlx5_ib_get_native_port_mdev(dev, port, &mdev_port_num);
1338 if (!mdev) {
1339 /* The port isn't affiliated yet, get the PKey from the master
1340 * port. For RoCE the PKey tables will be the same.
1341 */
1342 put_mdev = false;
1343 mdev = dev->mdev;
1344 mdev_port_num = 1;
1345 }
1346
1347 err = mlx5_query_hca_vport_pkey(mdev, 0, mdev_port_num, 0,
1348 index, pkey);
1349 if (put_mdev)
1350 mlx5_ib_put_native_port_mdev(dev, port);
1351
1352 return err;
1353}
1354
1355static int mlx5_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
1356 u16 *pkey)
1357{
1b5daf11
MD		 1358 switch (mlx5_get_vport_access_method(ibdev)) {
1359 case MLX5_VPORT_ACCESS_METHOD_MAD:
1360 return mlx5_query_mad_ifc_pkey(ibdev, port, index, pkey);
1361
1362 case MLX5_VPORT_ACCESS_METHOD_HCA:
1363 case MLX5_VPORT_ACCESS_METHOD_NIC:
b3cbd6f0 1364 return mlx5_query_hca_nic_pkey(ibdev, port, index, pkey);
1b5daf11
MD		 1365 default:
1366 return -EINVAL;
1367 }
1368}
e126ba97
EC		 1369
1370static int mlx5_ib_modify_device(struct ib_device *ibdev, int mask,
1371 struct ib_device_modify *props)
1372{
1373 struct mlx5_ib_dev *dev = to_mdev(ibdev);
1374 struct mlx5_reg_node_desc in;
1375 struct mlx5_reg_node_desc out;
1376 int err;
1377
1378 if (mask & ~IB_DEVICE_MODIFY_NODE_DESC)
1379 return -EOPNOTSUPP;
1380
1381 if (!(mask & IB_DEVICE_MODIFY_NODE_DESC))
1382 return 0;
1383
1384 /*
1385 * If possible, pass node desc to FW, so it can generate
1386 * a 144 trap. If cmd fails, just ignore.
1387 */
bd99fdea 1388 memcpy(&in, props->node_desc, IB_DEVICE_NODE_DESC_MAX);
9603b61d 1389 err = mlx5_core_access_reg(dev->mdev, &in, sizeof(in), &out,
e126ba97
EC		 1390 sizeof(out), MLX5_REG_NODE_DESC, 0, 1);
1391 if (err)
1392 return err;
1393
bd99fdea 1394 memcpy(ibdev->node_desc, props->node_desc, IB_DEVICE_NODE_DESC_MAX);
e126ba97
EC		 1395
1396 return err;
1397}
1398
cdbe33d0
EC		 1399static int set_port_caps_atomic(struct mlx5_ib_dev *dev, u8 port_num, u32 mask,
1400 u32 value)
1401{
1402 struct mlx5_hca_vport_context ctx = {};
b3cbd6f0
DJ		 1403 struct mlx5_core_dev *mdev;
1404 u8 mdev_port_num;
cdbe33d0
EC		 1405 int err;
1406
b3cbd6f0
DJ		 1407 mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num);
1408 if (!mdev)
1409 return -ENODEV;
1410
1411 err = mlx5_query_hca_vport_context(mdev, 0, mdev_port_num, 0, &ctx);
cdbe33d0 1412 if (err)
b3cbd6f0 1413 goto out;
cdbe33d0
EC		 1414
1415 if (~ctx.cap_mask1_perm & mask) {
1416 mlx5_ib_warn(dev, "trying to change bitmask 0x%X but change supported 0x%X\n",
1417 mask, ctx.cap_mask1_perm);
b3cbd6f0
DJ		 1418 err = -EINVAL;
1419 goto out;
cdbe33d0
EC		 1420 }
1421
1422 ctx.cap_mask1 = value;
1423 ctx.cap_mask1_perm = mask;
b3cbd6f0
DJ		 1424 err = mlx5_core_modify_hca_vport_context(mdev, 0, mdev_port_num,
1425 0, &ctx);
1426
1427out:
1428 mlx5_ib_put_native_port_mdev(dev, port_num);
cdbe33d0
EC		 1429
1430 return err;
1431}
1432
e126ba97
EC		 1433static int mlx5_ib_modify_port(struct ib_device *ibdev, u8 port, int mask,
1434 struct ib_port_modify *props)
1435{
1436 struct mlx5_ib_dev *dev = to_mdev(ibdev);
1437 struct ib_port_attr attr;
1438 u32 tmp;
1439 int err;
cdbe33d0
EC		 1440 u32 change_mask;
1441 u32 value;
1442 bool is_ib = (mlx5_ib_port_link_layer(ibdev, port) ==
1443 IB_LINK_LAYER_INFINIBAND);
1444
ec255879
MD		 1445 /* CM layer calls ib_modify_port() regardless of the link layer. For
1446 * Ethernet ports, qkey violation and Port capabilities are meaningless.
1447 */
1448 if (!is_ib)
1449 return 0;
1450
cdbe33d0
EC		 1451 if (MLX5_CAP_GEN(dev->mdev, ib_virt) && is_ib) {
1452 change_mask = props->clr_port_cap_mask | props->set_port_cap_mask;
1453 value = ~props->clr_port_cap_mask | props->set_port_cap_mask;
1454 return set_port_caps_atomic(dev, port, change_mask, value);
1455 }
e126ba97
EC		 1456
1457 mutex_lock(&dev->cap_mask_mutex);
1458
c4550c63 1459 err = ib_query_port(ibdev, port, &attr);
e126ba97
EC		 1460 if (err)
1461 goto out;
1462
1463 tmp = (attr.port_cap_flags | props->set_port_cap_mask) &
1464 ~props->clr_port_cap_mask;
1465
9603b61d 1466 err = mlx5_set_port_caps(dev->mdev, port, tmp);
e126ba97
EC		 1467
1468out:
1469 mutex_unlock(&dev->cap_mask_mutex);
1470 return err;
1471}
1472
30aa60b3
EC		 1473static void print_lib_caps(struct mlx5_ib_dev *dev, u64 caps)
1474{
1475 mlx5_ib_dbg(dev, "MLX5_LIB_CAP_4K_UAR = %s\n",
1476 caps & MLX5_LIB_CAP_4K_UAR ? "y" : "n");
1477}
1478
31a78a5a
YH		 1479static u16 calc_dynamic_bfregs(int uars_per_sys_page)
1480{
1481 /* Large page with non 4k uar support might limit the dynamic size */
1482 if (uars_per_sys_page == 1 && PAGE_SIZE > 4096)
1483 return MLX5_MIN_DYN_BFREGS;
1484
1485 return MLX5_MAX_DYN_BFREGS;
1486}
1487
b037c29a
EC		 1488static int calc_total_bfregs(struct mlx5_ib_dev *dev, bool lib_uar_4k,
1489 struct mlx5_ib_alloc_ucontext_req_v2 *req,
31a78a5a 1490 struct mlx5_bfreg_info *bfregi)
b037c29a
EC		 1491{
1492 int uars_per_sys_page;
1493 int bfregs_per_sys_page;
1494 int ref_bfregs = req->total_num_bfregs;
1495
1496 if (req->total_num_bfregs == 0)
1497 return -EINVAL;
1498
1499 BUILD_BUG_ON(MLX5_MAX_BFREGS % MLX5_NON_FP_BFREGS_IN_PAGE);
1500 BUILD_BUG_ON(MLX5_MAX_BFREGS < MLX5_NON_FP_BFREGS_IN_PAGE);
1501
1502 if (req->total_num_bfregs > MLX5_MAX_BFREGS)
1503 return -ENOMEM;
1504
1505 uars_per_sys_page = get_uars_per_sys_page(dev, lib_uar_4k);
1506 bfregs_per_sys_page = uars_per_sys_page * MLX5_NON_FP_BFREGS_PER_UAR;
31a78a5a 1507 /* This holds the required static allocation asked by the user */
b037c29a 1508 req->total_num_bfregs = ALIGN(req->total_num_bfregs, bfregs_per_sys_page);
b037c29a
EC		 1509 if (req->num_low_latency_bfregs > req->total_num_bfregs - 1)
1510 return -EINVAL;
1511
31a78a5a
YH		 1512 bfregi->num_static_sys_pages = req->total_num_bfregs / bfregs_per_sys_page;
1513 bfregi->num_dyn_bfregs = ALIGN(calc_dynamic_bfregs(uars_per_sys_page), bfregs_per_sys_page);
1514 bfregi->total_num_bfregs = req->total_num_bfregs + bfregi->num_dyn_bfregs;
1515 bfregi->num_sys_pages = bfregi->total_num_bfregs / bfregs_per_sys_page;
1516
1517 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		 1518 MLX5_CAP_GEN(dev->mdev, uar_4k) ? "yes" : "no",
1519 lib_uar_4k ? "yes" : "no", ref_bfregs,
31a78a5a
YH		 1520 req->total_num_bfregs, bfregi->total_num_bfregs,
1521 bfregi->num_sys_pages);
b037c29a
EC		 1522
1523 return 0;
1524}
1525
1526static int allocate_uars(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context)
1527{
1528 struct mlx5_bfreg_info *bfregi;
1529 int err;
1530 int i;
1531
1532 bfregi = &context->bfregi;
31a78a5a 1533 for (i = 0; i < bfregi->num_static_sys_pages; i++) {
b037c29a
EC		 1534 err = mlx5_cmd_alloc_uar(dev->mdev, &bfregi->sys_pages[i]);
1535 if (err)
1536 goto error;
1537
1538 mlx5_ib_dbg(dev, "allocated uar %d\n", bfregi->sys_pages[i]);
1539 }
4ed131d0
YH		 1540
1541 for (i = bfregi->num_static_sys_pages; i < bfregi->num_sys_pages; i++)
1542 bfregi->sys_pages[i] = MLX5_IB_INVALID_UAR_INDEX;
1543
b037c29a
EC		 1544 return 0;
1545
1546error:
1547 for (--i; i >= 0; i--)
1548 if (mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i]))
1549 mlx5_ib_warn(dev, "failed to free uar %d\n", i);
1550
1551 return err;
1552}
1553
15177999
LR		 1554static void deallocate_uars(struct mlx5_ib_dev *dev,
1555 struct mlx5_ib_ucontext *context)
b037c29a
EC		 1556{
1557 struct mlx5_bfreg_info *bfregi;
b037c29a
EC		 1558 int i;
1559
1560 bfregi = &context->bfregi;
15177999 1561 for (i = 0; i < bfregi->num_sys_pages; i++)
4ed131d0 1562 if (i < bfregi->num_static_sys_pages ||
15177999
LR		 1563 bfregi->sys_pages[i] != MLX5_IB_INVALID_UAR_INDEX)
1564 mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i]);
b037c29a
EC		 1565}
1566
0042f9e4 1567int mlx5_ib_enable_lb(struct mlx5_ib_dev *dev, bool td, bool qp)
a560f1d9
MB		 1568{
1569 int err = 0;
1570
1571 mutex_lock(&dev->lb.mutex);
0042f9e4
MB		 1572 if (td)
1573 dev->lb.user_td++;
1574 if (qp)
1575 dev->lb.qps++;
1576
1577 if (dev->lb.user_td == 2 ||
1578 dev->lb.qps == 1) {
1579 if (!dev->lb.enabled) {
1580 err = mlx5_nic_vport_update_local_lb(dev->mdev, true);
1581 dev->lb.enabled = true;
1582 }
1583 }
a560f1d9
MB		 1584
1585 mutex_unlock(&dev->lb.mutex);
1586
1587 return err;
1588}
1589
0042f9e4 1590void mlx5_ib_disable_lb(struct mlx5_ib_dev *dev, bool td, bool qp)
a560f1d9
MB		 1591{
1592 mutex_lock(&dev->lb.mutex);
0042f9e4
MB		 1593 if (td)
1594 dev->lb.user_td--;
1595 if (qp)
1596 dev->lb.qps--;
1597
1598 if (dev->lb.user_td == 1 &&
1599 dev->lb.qps == 0) {
1600 if (dev->lb.enabled) {
1601 mlx5_nic_vport_update_local_lb(dev->mdev, false);
1602 dev->lb.enabled = false;
1603 }
1604 }
a560f1d9
MB		 1605
1606 mutex_unlock(&dev->lb.mutex);
1607}
1608
d2d19121
YH		 1609static int mlx5_ib_alloc_transport_domain(struct mlx5_ib_dev *dev, u32 *tdn,
1610 u16 uid)
c85023e1
HN		 1611{
1612 int err;
1613
cfdeb893
LR		 1614 if (!MLX5_CAP_GEN(dev->mdev, log_max_transport_domain))
1615 return 0;
1616
d2d19121 1617 err = mlx5_cmd_alloc_transport_domain(dev->mdev, tdn, uid);
c85023e1
HN		 1618 if (err)
1619 return err;
1620
1621 if ((MLX5_CAP_GEN(dev->mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) ||
8978cc92
EBE		 1622 (!MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) &&
1623 !MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc)))
c85023e1
HN		 1624 return err;
1625
0042f9e4 1626 return mlx5_ib_enable_lb(dev, true, false);
c85023e1
HN		 1627}
1628
d2d19121
YH		 1629static void mlx5_ib_dealloc_transport_domain(struct mlx5_ib_dev *dev, u32 tdn,
1630 u16 uid)
c85023e1 1631{
cfdeb893
LR		 1632 if (!MLX5_CAP_GEN(dev->mdev, log_max_transport_domain))
1633 return;
1634
d2d19121 1635 mlx5_cmd_dealloc_transport_domain(dev->mdev, tdn, uid);
c85023e1
HN		 1636
1637 if ((MLX5_CAP_GEN(dev->mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) ||
8978cc92
EBE		 1638 (!MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) &&
1639 !MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc)))
c85023e1
HN		 1640 return;
1641
0042f9e4 1642 mlx5_ib_disable_lb(dev, true, false);
c85023e1
HN		 1643}
1644
e126ba97
EC		 1645static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
1646 struct ib_udata *udata)
1647{
1648 struct mlx5_ib_dev *dev = to_mdev(ibdev);
b368d7cb
MB		 1649 struct mlx5_ib_alloc_ucontext_req_v2 req = {};
1650 struct mlx5_ib_alloc_ucontext_resp resp = {};
5c99eaec 1651 struct mlx5_core_dev *mdev = dev->mdev;
e126ba97 1652 struct mlx5_ib_ucontext *context;
2f5ff264 1653 struct mlx5_bfreg_info *bfregi;
78c0f98c 1654 int ver;
e126ba97 1655 int err;
a168a41c
MD		 1656 size_t min_req_v2 = offsetof(struct mlx5_ib_alloc_ucontext_req_v2,
1657 max_cqe_version);
25bb36e7 1658 u32 dump_fill_mkey;
b037c29a 1659 bool lib_uar_4k;
e126ba97
EC		 1660
1661 if (!dev->ib_active)
1662 return ERR_PTR(-EAGAIN);
1663
e093111d 1664 if (udata->inlen == sizeof(struct mlx5_ib_alloc_ucontext_req))
78c0f98c 1665 ver = 0;
e093111d 1666 else if (udata->inlen >= min_req_v2)
78c0f98c
EC		 1667 ver = 2;
1668 else
1669 return ERR_PTR(-EINVAL);
1670
e093111d 1671 err = ib_copy_from_udata(&req, udata, min(udata->inlen, sizeof(req)));
e126ba97
EC		 1672 if (err)
1673 return ERR_PTR(err);
1674
a8b92ca1
YH		 1675 if (req.flags & ~MLX5_IB_ALLOC_UCTX_DEVX)
1676 return ERR_PTR(-EOPNOTSUPP);
78c0f98c 1677
f72300c5 1678 if (req.comp_mask || req.reserved0 || req.reserved1 || req.reserved2)
b368d7cb
MB		 1679 return ERR_PTR(-EOPNOTSUPP);
1680
2f5ff264
EC		 1681 req.total_num_bfregs = ALIGN(req.total_num_bfregs,
1682 MLX5_NON_FP_BFREGS_PER_UAR);
1683 if (req.num_low_latency_bfregs > req.total_num_bfregs - 1)
e126ba97
EC		 1684 return ERR_PTR(-EINVAL);
1685
938fe83c 1686 resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp);
2cc6ad5f
NO		 1687 if (mlx5_core_is_pf(dev->mdev) && MLX5_CAP_GEN(dev->mdev, bf))
1688 resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size);
b47bd6ea 1689 resp.cache_line_size = cache_line_size();
938fe83c
SM		 1690 resp.max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq);
1691 resp.max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq);
1692 resp.max_send_wqebb = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz);
1693 resp.max_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz);
1694 resp.max_srq_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz);
f72300c5
HA		 1695 resp.cqe_version = min_t(__u8,
1696 (__u8)MLX5_CAP_GEN(dev->mdev, cqe_version),
1697 req.max_cqe_version);
30aa60b3
EC		 1698 resp.log_uar_size = MLX5_CAP_GEN(dev->mdev, uar_4k) ?
1699 MLX5_ADAPTER_PAGE_SHIFT : PAGE_SHIFT;
1700 resp.num_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ?
1701 MLX5_CAP_GEN(dev->mdev, num_of_uars_per_page) : 1;
b368d7cb
MB		 1702 resp.response_length = min(offsetof(typeof(resp), response_length) +
1703 sizeof(resp.response_length), udata->outlen);
e126ba97 1704
c03faa56
MB		 1705 if (mlx5_accel_ipsec_device_caps(dev->mdev) & MLX5_ACCEL_IPSEC_CAP_DEVICE) {
1706 if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_EGRESS))
1707 resp.flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM;
1708 if (mlx5_accel_ipsec_device_caps(dev->mdev) & MLX5_ACCEL_IPSEC_CAP_REQUIRED_METADATA)
1709 resp.flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_REQ_METADATA;
1710 if (MLX5_CAP_FLOWTABLE(dev->mdev, flow_table_properties_nic_receive.ft_field_support.outer_esp_spi))
1711 resp.flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_SPI_STEERING;
1712 if (mlx5_accel_ipsec_device_caps(dev->mdev) & MLX5_ACCEL_IPSEC_CAP_TX_IV_IS_ESN)
1713 resp.flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_TX_IV_IS_ESN;
1714 /* MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_FULL_OFFLOAD is currently always 0 */
1715 }
1716
e126ba97
EC		 1717 context = kzalloc(sizeof(*context), GFP_KERNEL);
1718 if (!context)
1719 return ERR_PTR(-ENOMEM);
1720
30aa60b3 1721 lib_uar_4k = req.lib_caps & MLX5_LIB_CAP_4K_UAR;
2f5ff264 1722 bfregi = &context->bfregi;
b037c29a
EC		 1723
1724 /* updates req->total_num_bfregs */
31a78a5a 1725 err = calc_total_bfregs(dev, lib_uar_4k, &req, bfregi);
b037c29a 1726 if (err)
e126ba97 1727 goto out_ctx;
e126ba97 1728
b037c29a
EC		 1729 mutex_init(&bfregi->lock);
1730 bfregi->lib_uar_4k = lib_uar_4k;
31a78a5a 1731 bfregi->count = kcalloc(bfregi->total_num_bfregs, sizeof(*bfregi->count),
e126ba97 1732 GFP_KERNEL);
b037c29a 1733 if (!bfregi->count) {
e126ba97 1734 err = -ENOMEM;
b037c29a 1735 goto out_ctx;
e126ba97
EC		 1736 }
1737
b037c29a
EC		 1738 bfregi->sys_pages = kcalloc(bfregi->num_sys_pages,
1739 sizeof(*bfregi->sys_pages),
1740 GFP_KERNEL);
1741 if (!bfregi->sys_pages) {
e126ba97 1742 err = -ENOMEM;
b037c29a 1743 goto out_count;
e126ba97
EC		 1744 }
1745
b037c29a
EC		 1746 err = allocate_uars(dev, context);
1747 if (err)
1748 goto out_sys_pages;
e126ba97 1749
b4cfe447
HE		 1750#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
1751 context->ibucontext.invalidate_range = &mlx5_ib_invalidate_range;
1752#endif
1753
a8b92ca1 1754 if (req.flags & MLX5_IB_ALLOC_UCTX_DEVX) {
76dc5a84
YH		 1755 err = mlx5_ib_devx_create(dev);
1756 if (err < 0)
d2d19121 1757 goto out_uars;
76dc5a84 1758 context->devx_uid = err;
a8b92ca1
YH		 1759 }
1760
d2d19121
YH		 1761 err = mlx5_ib_alloc_transport_domain(dev, &context->tdn,
1762 context->devx_uid);
1763 if (err)
1764 goto out_devx;
1765
25bb36e7
YC		 1766 if (MLX5_CAP_GEN(dev->mdev, dump_fill_mkey)) {
1767 err = mlx5_cmd_dump_fill_mkey(dev->mdev, &dump_fill_mkey);
1768 if (err)
8193abb6 1769 goto out_mdev;
25bb36e7
YC		 1770 }
1771
e126ba97
EC		 1772 INIT_LIST_HEAD(&context->db_page_list);
1773 mutex_init(&context->db_page_mutex);
1774
2f5ff264 1775 resp.tot_bfregs = req.total_num_bfregs;
508562d6 1776 resp.num_ports = dev->num_ports;
b368d7cb 1777
f72300c5
HA		 1778 if (field_avail(typeof(resp), cqe_version, udata->outlen))
1779 resp.response_length += sizeof(resp.cqe_version);
b368d7cb 1780
402ca536 1781 if (field_avail(typeof(resp), cmds_supp_uhw, udata->outlen)) {
6ad279c5
MS		 1782 resp.cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE |
1783 MLX5_USER_CMDS_SUPP_UHW_CREATE_AH;
402ca536
BW		 1784 resp.response_length += sizeof(resp.cmds_supp_uhw);
1785 }
1786
78984898
OG		 1787 if (field_avail(typeof(resp), eth_min_inline, udata->outlen)) {
1788 if (mlx5_ib_port_link_layer(ibdev, 1) == IB_LINK_LAYER_ETHERNET) {
1789 mlx5_query_min_inline(dev->mdev, &resp.eth_min_inline);
1790 resp.eth_min_inline++;
1791 }
1792 resp.response_length += sizeof(resp.eth_min_inline);
1793 }
1794
5c99eaec
FD		 1795 if (field_avail(typeof(resp), clock_info_versions, udata->outlen)) {
1796 if (mdev->clock_info)
1797 resp.clock_info_versions = BIT(MLX5_IB_CLOCK_INFO_V1);
1798 resp.response_length += sizeof(resp.clock_info_versions);
1799 }
1800
bc5c6eed
NO		 1801 /*
1802 * We don't want to expose information from the PCI bar that is located
1803 * after 4096 bytes, so if the arch only supports larger pages, let's
1804 * pretend we don't support reading the HCA's core clock. This is also
1805 * forced by mmap function.
1806 */
de8d6e02
EC		 1807 if (field_avail(typeof(resp), hca_core_clock_offset, udata->outlen)) {
1808 if (PAGE_SIZE <= 4096) {
1809 resp.comp_mask |=
1810 MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET;
1811 resp.hca_core_clock_offset =
1812 offsetof(struct mlx5_init_seg, internal_timer_h) % PAGE_SIZE;
1813 }
5c99eaec 1814 resp.response_length += sizeof(resp.hca_core_clock_offset);
b368d7cb
MB		 1815 }
1816
30aa60b3
EC		 1817 if (field_avail(typeof(resp), log_uar_size, udata->outlen))
1818 resp.response_length += sizeof(resp.log_uar_size);
1819
1820 if (field_avail(typeof(resp), num_uars_per_page, udata->outlen))
1821 resp.response_length += sizeof(resp.num_uars_per_page);
1822
31a78a5a
YH		 1823 if (field_avail(typeof(resp), num_dyn_bfregs, udata->outlen)) {
1824 resp.num_dyn_bfregs = bfregi->num_dyn_bfregs;
1825 resp.response_length += sizeof(resp.num_dyn_bfregs);
1826 }
1827
25bb36e7
YC		 1828 if (field_avail(typeof(resp), dump_fill_mkey, udata->outlen)) {
1829 if (MLX5_CAP_GEN(dev->mdev, dump_fill_mkey)) {
1830 resp.dump_fill_mkey = dump_fill_mkey;
1831 resp.comp_mask |=
1832 MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_DUMP_FILL_MKEY;
1833 }
1834 resp.response_length += sizeof(resp.dump_fill_mkey);
1835 }
1836
b368d7cb 1837 err = ib_copy_to_udata(udata, &resp, resp.response_length);
e126ba97 1838 if (err)
a8b92ca1 1839 goto out_mdev;
e126ba97 1840
2f5ff264
EC		 1841 bfregi->ver = ver;
1842 bfregi->num_low_latency_bfregs = req.num_low_latency_bfregs;
f72300c5 1843 context->cqe_version = resp.cqe_version;
30aa60b3
EC		 1844 context->lib_caps = req.lib_caps;
1845 print_lib_caps(dev, context->lib_caps);
f72300c5 1846
c6a21c38
MD		 1847 if (mlx5_lag_is_active(dev->mdev)) {
1848 u8 port = mlx5_core_native_port_num(dev->mdev);
1849
1850 atomic_set(&context->tx_port_affinity,
1851 atomic_add_return(
1852 1, &dev->roce[port].tx_port_affinity));
1853 }
1854
e126ba97
EC		 1855 return &context->ibucontext;
1856
a8b92ca1 1857out_mdev:
d2d19121
YH		 1858 mlx5_ib_dealloc_transport_domain(dev, context->tdn, context->devx_uid);
1859out_devx:
a8b92ca1 1860 if (req.flags & MLX5_IB_ALLOC_UCTX_DEVX)
76dc5a84 1861 mlx5_ib_devx_destroy(dev, context->devx_uid);
146d2f1a 1862
e126ba97 1863out_uars:
b037c29a 1864 deallocate_uars(dev, context);
e126ba97 1865
b037c29a
EC		 1866out_sys_pages:
1867 kfree(bfregi->sys_pages);
e126ba97 1868
b037c29a
EC		 1869out_count:
1870 kfree(bfregi->count);
e126ba97
EC		 1871
1872out_ctx:
1873 kfree(context);
b037c29a 1874
e126ba97
EC		 1875 return ERR_PTR(err);
1876}
1877
1878static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
1879{
1880 struct mlx5_ib_ucontext *context = to_mucontext(ibcontext);
1881 struct mlx5_ib_dev *dev = to_mdev(ibcontext->device);
b037c29a 1882 struct mlx5_bfreg_info *bfregi;
e126ba97 1883
f27a0d50
JG		 1884#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
1885 /* All umem's must be destroyed before destroying the ucontext. */
1886 mutex_lock(&ibcontext->per_mm_list_lock);
1887 WARN_ON(!list_empty(&ibcontext->per_mm_list));
1888 mutex_unlock(&ibcontext->per_mm_list_lock);
1889#endif
a8b92ca1 1890
b037c29a 1891 bfregi = &context->bfregi;
d2d19121
YH		 1892 mlx5_ib_dealloc_transport_domain(dev, context->tdn, context->devx_uid);
1893
a8b92ca1 1894 if (context->devx_uid)
76dc5a84 1895 mlx5_ib_devx_destroy(dev, context->devx_uid);
146d2f1a 1896
b037c29a
EC		 1897 deallocate_uars(dev, context);
1898 kfree(bfregi->sys_pages);
2f5ff264 1899 kfree(bfregi->count);
e126ba97
EC		 1900 kfree(context);
1901
1902 return 0;
1903}
1904
b037c29a 1905static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev,
4ed131d0 1906 int uar_idx)
e126ba97 1907{
b037c29a
EC		 1908 int fw_uars_per_page;
1909
1910 fw_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? MLX5_UARS_IN_PAGE : 1;
1911
4ed131d0 1912 return (pci_resource_start(dev->mdev->pdev, 0) >> PAGE_SHIFT) + uar_idx / fw_uars_per_page;
e126ba97
EC		 1913}
1914
1915static int get_command(unsigned long offset)
1916{
1917 return (offset >> MLX5_IB_MMAP_CMD_SHIFT) & MLX5_IB_MMAP_CMD_MASK;
1918}
1919
1920static int get_arg(unsigned long offset)
1921{
1922 return offset & ((1 << MLX5_IB_MMAP_CMD_SHIFT) - 1);
1923}
1924
1925static int get_index(unsigned long offset)
1926{
1927 return get_arg(offset);
1928}
1929
4ed131d0
YH		 1930/* Index resides in an extra byte to enable larger values than 255 */
1931static int get_extended_index(unsigned long offset)
1932{
1933 return get_arg(offset) | ((offset >> 16) & 0xff) << 8;
1934}
1935
7c2344c3
MG		 1936
1937static void mlx5_ib_disassociate_ucontext(struct ib_ucontext *ibcontext)
1938{
7c2344c3
MG		 1939}
1940
37aa5c36
GL		 1941static inline char *mmap_cmd2str(enum mlx5_ib_mmap_cmd cmd)
1942{
1943 switch (cmd) {
1944 case MLX5_IB_MMAP_WC_PAGE:
1945 return "WC";
1946 case MLX5_IB_MMAP_REGULAR_PAGE:
1947 return "best effort WC";
1948 case MLX5_IB_MMAP_NC_PAGE:
1949 return "NC";
24da0016
AL		 1950 case MLX5_IB_MMAP_DEVICE_MEM:
1951 return "Device Memory";
37aa5c36
GL		 1952 default:
1953 return NULL;
1954 }
1955}
1956
5c99eaec
FD		 1957static int mlx5_ib_mmap_clock_info_page(struct mlx5_ib_dev *dev,
1958 struct vm_area_struct *vma,
1959 struct mlx5_ib_ucontext *context)
1960{
5c99eaec
FD		 1961 if (vma->vm_end - vma->vm_start != PAGE_SIZE)
1962 return -EINVAL;
1963
1964 if (get_index(vma->vm_pgoff) != MLX5_IB_CLOCK_INFO_V1)
1965 return -EOPNOTSUPP;
1966
1967 if (vma->vm_flags & VM_WRITE)
1968 return -EPERM;
1969
1970 if (!dev->mdev->clock_info_page)
1971 return -EOPNOTSUPP;
1972
e2cd1d1a
JG		 1973 return rdma_user_mmap_page(&context->ibucontext, vma,
1974 dev->mdev->clock_info_page, PAGE_SIZE);
5c99eaec
FD		 1975}
1976
37aa5c36 1977static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd,
7c2344c3
MG		 1978 struct vm_area_struct *vma,
1979 struct mlx5_ib_ucontext *context)
37aa5c36 1980{
2f5ff264 1981 struct mlx5_bfreg_info *bfregi = &context->bfregi;
37aa5c36
GL		 1982 int err;
1983 unsigned long idx;
aa09ea6e 1984 phys_addr_t pfn;
37aa5c36 1985 pgprot_t prot;
4ed131d0
YH		 1986 u32 bfreg_dyn_idx = 0;
1987 u32 uar_index;
1988 int dyn_uar = (cmd == MLX5_IB_MMAP_ALLOC_WC);
1989 int max_valid_idx = dyn_uar ? bfregi->num_sys_pages :
1990 bfregi->num_static_sys_pages;
b037c29a
EC		 1991
1992 if (vma->vm_end - vma->vm_start != PAGE_SIZE)
1993 return -EINVAL;
1994
4ed131d0
YH		 1995 if (dyn_uar)
1996 idx = get_extended_index(vma->vm_pgoff) + bfregi->num_static_sys_pages;
1997 else
1998 idx = get_index(vma->vm_pgoff);
1999
2000 if (idx >= max_valid_idx) {
2001 mlx5_ib_warn(dev, "invalid uar index %lu, max=%d\n",
2002 idx, max_valid_idx);
b037c29a
EC		 2003 return -EINVAL;
2004 }
37aa5c36
GL		 2005
2006 switch (cmd) {
2007 case MLX5_IB_MMAP_WC_PAGE:
4ed131d0 2008 case MLX5_IB_MMAP_ALLOC_WC:
37aa5c36
GL		 2009/* Some architectures don't support WC memory */
2010#if defined(CONFIG_X86)
2011 if (!pat_enabled())
2012 return -EPERM;
2013#elif !(defined(CONFIG_PPC) || (defined(CONFIG_ARM) && defined(CONFIG_MMU)))
2014 return -EPERM;
2015#endif
2016 /* fall through */
2017 case MLX5_IB_MMAP_REGULAR_PAGE:
2018 /* For MLX5_IB_MMAP_REGULAR_PAGE do the best effort to get WC */
2019 prot = pgprot_writecombine(vma->vm_page_prot);
2020 break;
2021 case MLX5_IB_MMAP_NC_PAGE:
2022 prot = pgprot_noncached(vma->vm_page_prot);
2023 break;
2024 default:
2025 return -EINVAL;
2026 }
2027
4ed131d0
YH		 2028 if (dyn_uar) {
2029 int uars_per_page;
2030
2031 uars_per_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k);
2032 bfreg_dyn_idx = idx * (uars_per_page * MLX5_NON_FP_BFREGS_PER_UAR);
2033 if (bfreg_dyn_idx >= bfregi->total_num_bfregs) {
2034 mlx5_ib_warn(dev, "invalid bfreg_dyn_idx %u, max=%u\n",
2035 bfreg_dyn_idx, bfregi->total_num_bfregs);
2036 return -EINVAL;
2037 }
2038
2039 mutex_lock(&bfregi->lock);
2040 /* Fail if uar already allocated, first bfreg index of each
2041 * page holds its count.
2042 */
2043 if (bfregi->count[bfreg_dyn_idx]) {
2044 mlx5_ib_warn(dev, "wrong offset, idx %lu is busy, bfregn=%u\n", idx, bfreg_dyn_idx);
2045 mutex_unlock(&bfregi->lock);
2046 return -EINVAL;
2047 }
2048
2049 bfregi->count[bfreg_dyn_idx]++;
2050 mutex_unlock(&bfregi->lock);
2051
2052 err = mlx5_cmd_alloc_uar(dev->mdev, &uar_index);
2053 if (err) {
2054 mlx5_ib_warn(dev, "UAR alloc failed\n");
2055 goto free_bfreg;
2056 }
2057 } else {
2058 uar_index = bfregi->sys_pages[idx];
2059 }
2060
2061 pfn = uar_index2pfn(dev, uar_index);
37aa5c36
GL		 2062 mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn %pa\n", idx, &pfn);
2063
e2cd1d1a
JG		 2064 err = rdma_user_mmap_io(&context->ibucontext, vma, pfn, PAGE_SIZE,
2065 prot);
37aa5c36 2066 if (err) {
8f062287 2067 mlx5_ib_err(dev,
e2cd1d1a 2068 "rdma_user_mmap_io failed with error=%d, mmap_cmd=%s\n",
8f062287 2069 err, mmap_cmd2str(cmd));
4ed131d0 2070 goto err;
37aa5c36
GL		 2071 }
2072
4ed131d0
YH		 2073 if (dyn_uar)
2074 bfregi->sys_pages[idx] = uar_index;
2075 return 0;
2076
2077err:
2078 if (!dyn_uar)
2079 return err;
2080
2081 mlx5_cmd_free_uar(dev->mdev, idx);
2082
2083free_bfreg:
2084 mlx5_ib_free_bfreg(dev, bfregi, bfreg_dyn_idx);
2085
2086 return err;
37aa5c36
GL		 2087}
2088
24da0016
AL		 2089static int dm_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
2090{
2091 struct mlx5_ib_ucontext *mctx = to_mucontext(context);
2092 struct mlx5_ib_dev *dev = to_mdev(context->device);
2093 u16 page_idx = get_extended_index(vma->vm_pgoff);
2094 size_t map_size = vma->vm_end - vma->vm_start;
2095 u32 npages = map_size >> PAGE_SHIFT;
2096 phys_addr_t pfn;
24da0016
AL		 2097
2098 if (find_next_zero_bit(mctx->dm_pages, page_idx + npages, page_idx) !=
2099 page_idx + npages)
2100 return -EINVAL;
2101
2102 pfn = ((pci_resource_start(dev->mdev->pdev, 0) +
2103 MLX5_CAP64_DEV_MEM(dev->mdev, memic_bar_start_addr)) >>
2104 PAGE_SHIFT) +
2105 page_idx;
e2cd1d1a
JG		 2106 return rdma_user_mmap_io(context, vma, pfn, map_size,
2107 pgprot_writecombine(vma->vm_page_prot));
24da0016
AL		 2108}
2109
e126ba97
EC		 2110static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma)
2111{
2112 struct mlx5_ib_ucontext *context = to_mucontext(ibcontext);
2113 struct mlx5_ib_dev *dev = to_mdev(ibcontext->device);
e126ba97 2114 unsigned long command;
e126ba97
EC		 2115 phys_addr_t pfn;
2116
2117 command = get_command(vma->vm_pgoff);
2118 switch (command) {
37aa5c36
GL		 2119 case MLX5_IB_MMAP_WC_PAGE:
2120 case MLX5_IB_MMAP_NC_PAGE:
e126ba97 2121 case MLX5_IB_MMAP_REGULAR_PAGE:
4ed131d0 2122 case MLX5_IB_MMAP_ALLOC_WC:
7c2344c3 2123 return uar_mmap(dev, command, vma, context);
e126ba97
EC		 2124
2125 case MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES:
2126 return -ENOSYS;
2127
d69e3bcf 2128 case MLX5_IB_MMAP_CORE_CLOCK:
d69e3bcf
MB		 2129 if (vma->vm_end - vma->vm_start != PAGE_SIZE)
2130 return -EINVAL;
2131
6cbac1e4 2132 if (vma->vm_flags & VM_WRITE)
d69e3bcf
MB		 2133 return -EPERM;
2134
2135 /* Don't expose to user-space information it shouldn't have */
2136 if (PAGE_SIZE > 4096)
2137 return -EOPNOTSUPP;
2138
2139 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2140 pfn = (dev->mdev->iseg_base +
2141 offsetof(struct mlx5_init_seg, internal_timer_h)) >>
2142 PAGE_SHIFT;
2143 if (io_remap_pfn_range(vma, vma->vm_start, pfn,
2144 PAGE_SIZE, vma->vm_page_prot))
2145 return -EAGAIN;
d69e3bcf 2146 break;
5c99eaec
FD		 2147 case MLX5_IB_MMAP_CLOCK_INFO:
2148 return mlx5_ib_mmap_clock_info_page(dev, vma, context);
d69e3bcf 2149
24da0016
AL		 2150 case MLX5_IB_MMAP_DEVICE_MEM:
2151 return dm_mmap(ibcontext, vma);
2152
e126ba97
EC		 2153 default:
2154 return -EINVAL;
2155 }
2156
2157 return 0;
2158}
2159
24da0016
AL		 2160struct ib_dm *mlx5_ib_alloc_dm(struct ib_device *ibdev,
2161 struct ib_ucontext *context,
2162 struct ib_dm_alloc_attr *attr,
2163 struct uverbs_attr_bundle *attrs)
2164{
2165 u64 act_size = roundup(attr->length, MLX5_MEMIC_BASE_SIZE);
2166 struct mlx5_memic *memic = &to_mdev(ibdev)->memic;
2167 phys_addr_t memic_addr;
2168 struct mlx5_ib_dm *dm;
2169 u64 start_offset;
2170 u32 page_idx;
2171 int err;
2172
2173 dm = kzalloc(sizeof(*dm), GFP_KERNEL);
2174 if (!dm)
2175 return ERR_PTR(-ENOMEM);
2176
2177 mlx5_ib_dbg(to_mdev(ibdev), "alloc_memic req: user_length=0x%llx act_length=0x%llx log_alignment=%d\n",
2178 attr->length, act_size, attr->alignment);
2179
2180 err = mlx5_cmd_alloc_memic(memic, &memic_addr,
2181 act_size, attr->alignment);
2182 if (err)
2183 goto err_free;
2184
2185 start_offset = memic_addr & ~PAGE_MASK;
2186 page_idx = (memic_addr - pci_resource_start(memic->dev->pdev, 0) -
2187 MLX5_CAP64_DEV_MEM(memic->dev, memic_bar_start_addr)) >>
2188 PAGE_SHIFT;
2189
2190 err = uverbs_copy_to(attrs,
2191 MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET,
2192 &start_offset, sizeof(start_offset));
2193 if (err)
2194 goto err_dealloc;
2195
2196 err = uverbs_copy_to(attrs,
2197 MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX,
2198 &page_idx, sizeof(page_idx));
2199 if (err)
2200 goto err_dealloc;
2201
2202 bitmap_set(to_mucontext(context)->dm_pages, page_idx,
2203 DIV_ROUND_UP(act_size, PAGE_SIZE));
2204
2205 dm->dev_addr = memic_addr;
2206
2207 return &dm->ibdm;
2208
2209err_dealloc:
2210 mlx5_cmd_dealloc_memic(memic, memic_addr,
2211 act_size);
2212err_free:
2213 kfree(dm);
2214 return ERR_PTR(err);
2215}
2216
2217int mlx5_ib_dealloc_dm(struct ib_dm *ibdm)
2218{
2219 struct mlx5_memic *memic = &to_mdev(ibdm->device)->memic;
2220 struct mlx5_ib_dm *dm = to_mdm(ibdm);
2221 u64 act_size = roundup(dm->ibdm.length, MLX5_MEMIC_BASE_SIZE);
2222 u32 page_idx;
2223 int ret;
2224
2225 ret = mlx5_cmd_dealloc_memic(memic, dm->dev_addr, act_size);
2226 if (ret)
2227 return ret;
2228
2229 page_idx = (dm->dev_addr - pci_resource_start(memic->dev->pdev, 0) -
2230 MLX5_CAP64_DEV_MEM(memic->dev, memic_bar_start_addr)) >>
2231 PAGE_SHIFT;
2232 bitmap_clear(to_mucontext(ibdm->uobject->context)->dm_pages,
2233 page_idx,
2234 DIV_ROUND_UP(act_size, PAGE_SIZE));
2235
2236 kfree(dm);
2237
2238 return 0;
2239}
2240
e126ba97
EC		 2241static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev,
2242 struct ib_ucontext *context,
2243 struct ib_udata *udata)
2244{
2245 struct mlx5_ib_alloc_pd_resp resp;
2246 struct mlx5_ib_pd *pd;
2247 int err;
a1069c1c
YH		 2248 u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {};
2249 u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {};
2250 u16 uid = 0;
e126ba97
EC		 2251
2252 pd = kmalloc(sizeof(*pd), GFP_KERNEL);
2253 if (!pd)
2254 return ERR_PTR(-ENOMEM);
2255
58895f0d 2256 uid = context ? to_mucontext(context)->devx_uid : 0;
a1069c1c
YH		 2257 MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
2258 MLX5_SET(alloc_pd_in, in, uid, uid);
2259 err = mlx5_cmd_exec(to_mdev(ibdev)->mdev, in, sizeof(in),
2260 out, sizeof(out));
e126ba97
EC		 2261 if (err) {
2262 kfree(pd);
2263 return ERR_PTR(err);
2264 }
2265
a1069c1c
YH		 2266 pd->pdn = MLX5_GET(alloc_pd_out, out, pd);
2267 pd->uid = uid;
e126ba97
EC		 2268 if (context) {
2269 resp.pdn = pd->pdn;
2270 if (ib_copy_to_udata(udata, &resp, sizeof(resp))) {
a1069c1c 2271 mlx5_cmd_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn, uid);
e126ba97
EC		 2272 kfree(pd);
2273 return ERR_PTR(-EFAULT);
2274 }
e126ba97
EC		 2275 }
2276
2277 return &pd->ibpd;
2278}
2279
2280static int mlx5_ib_dealloc_pd(struct ib_pd *pd)
2281{
2282 struct mlx5_ib_dev *mdev = to_mdev(pd->device);
2283 struct mlx5_ib_pd *mpd = to_mpd(pd);
2284
a1069c1c 2285 mlx5_cmd_dealloc_pd(mdev->mdev, mpd->pdn, mpd->uid);
e126ba97
EC		 2286 kfree(mpd);
2287
2288 return 0;
2289}
2290
466fa6d2
MG		 2291enum {
2292 MATCH_CRITERIA_ENABLE_OUTER_BIT,
2293 MATCH_CRITERIA_ENABLE_MISC_BIT,
71c6e863
AL		 2294 MATCH_CRITERIA_ENABLE_INNER_BIT,
2295 MATCH_CRITERIA_ENABLE_MISC2_BIT
466fa6d2
MG		 2296};
2297
2298#define HEADER_IS_ZERO(match_criteria, headers) \
2299 !(memchr_inv(MLX5_ADDR_OF(fte_match_param, match_criteria, headers), \
2300 0, MLX5_FLD_SZ_BYTES(fte_match_param, headers))) \
038d2ef8 2301
466fa6d2 2302static u8 get_match_criteria_enable(u32 *match_criteria)
038d2ef8 2303{
466fa6d2 2304 u8 match_criteria_enable;
038d2ef8 2305
466fa6d2
MG		 2306 match_criteria_enable =
2307 (!HEADER_IS_ZERO(match_criteria, outer_headers)) <<
2308 MATCH_CRITERIA_ENABLE_OUTER_BIT;
2309 match_criteria_enable |=
2310 (!HEADER_IS_ZERO(match_criteria, misc_parameters)) <<
2311 MATCH_CRITERIA_ENABLE_MISC_BIT;
2312 match_criteria_enable |=
2313 (!HEADER_IS_ZERO(match_criteria, inner_headers)) <<
2314 MATCH_CRITERIA_ENABLE_INNER_BIT;
71c6e863
AL		 2315 match_criteria_enable |=
2316 (!HEADER_IS_ZERO(match_criteria, misc_parameters_2)) <<
2317 MATCH_CRITERIA_ENABLE_MISC2_BIT;
466fa6d2
MG		 2318
2319 return match_criteria_enable;
038d2ef8
MG		 2320}
2321
ca0d4753
MG		 2322static void set_proto(void *outer_c, void *outer_v, u8 mask, u8 val)
2323{
2324 MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_protocol, mask);
2325 MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_protocol, val);
038d2ef8
MG		 2326}
2327
37da2a03 2328static void set_flow_label(void *misc_c, void *misc_v, u32 mask, u32 val,
2d1e697e
MR		 2329 bool inner)
2330{
2331 if (inner) {
2332 MLX5_SET(fte_match_set_misc,
2333 misc_c, inner_ipv6_flow_label, mask);
2334 MLX5_SET(fte_match_set_misc,
2335 misc_v, inner_ipv6_flow_label, val);
2336 } else {
2337 MLX5_SET(fte_match_set_misc,
2338 misc_c, outer_ipv6_flow_label, mask);
2339 MLX5_SET(fte_match_set_misc,
2340 misc_v, outer_ipv6_flow_label, val);
2341 }
2342}
2343
ca0d4753
MG		 2344static void set_tos(void *outer_c, void *outer_v, u8 mask, u8 val)
2345{
2346 MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_ecn, mask);
2347 MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_ecn, val);
2348 MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_dscp, mask >> 2);
2349 MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_dscp, val >> 2);
2350}
2351
71c6e863
AL		 2352static int check_mpls_supp_fields(u32 field_support, const __be32 *set_mask)
2353{
2354 if (MLX5_GET(fte_match_mpls, set_mask, mpls_label) &&
2355 !(field_support & MLX5_FIELD_SUPPORT_MPLS_LABEL))
2356 return -EOPNOTSUPP;
2357
2358 if (MLX5_GET(fte_match_mpls, set_mask, mpls_exp) &&
2359 !(field_support & MLX5_FIELD_SUPPORT_MPLS_EXP))
2360 return -EOPNOTSUPP;
2361
2362 if (MLX5_GET(fte_match_mpls, set_mask, mpls_s_bos) &&
2363 !(field_support & MLX5_FIELD_SUPPORT_MPLS_S_BOS))
2364 return -EOPNOTSUPP;
2365
2366 if (MLX5_GET(fte_match_mpls, set_mask, mpls_ttl) &&
2367 !(field_support & MLX5_FIELD_SUPPORT_MPLS_TTL))
2368 return -EOPNOTSUPP;
2369
2370 return 0;
2371}
2372
c47ac6ae
MG		 2373#define LAST_ETH_FIELD vlan_tag
2374#define LAST_IB_FIELD sl
ca0d4753 2375#define LAST_IPV4_FIELD tos
466fa6d2 2376#define LAST_IPV6_FIELD traffic_class
c47ac6ae 2377#define LAST_TCP_UDP_FIELD src_port
ffb30d8f 2378#define LAST_TUNNEL_FIELD tunnel_id
2ac693f9 2379#define LAST_FLOW_TAG_FIELD tag_id
a22ed86c 2380#define LAST_DROP_FIELD size
3b3233fb 2381#define LAST_COUNTERS_FIELD counters
c47ac6ae
MG		 2382
2383/* Field is the last supported field */
2384#define FIELDS_NOT_SUPPORTED(filter, field)\
2385 memchr_inv((void *)&filter.field +\
2386 sizeof(filter.field), 0,\
2387 sizeof(filter) -\
2388 offsetof(typeof(filter), field) -\
2389 sizeof(filter.field))
2390
2ea26203
MB		 2391int parse_flow_flow_action(struct mlx5_ib_flow_action *maction,
2392 bool is_egress,
2393 struct mlx5_flow_act *action)
802c2125 2394{
802c2125
AY		 2395
2396 switch (maction->ib_action.type) {
2397 case IB_FLOW_ACTION_ESP:
501f14e3
MB		 2398 if (action->action & (MLX5_FLOW_CONTEXT_ACTION_ENCRYPT |
2399 MLX5_FLOW_CONTEXT_ACTION_DECRYPT))
2400 return -EINVAL;
802c2125
AY		 2401 /* Currently only AES_GCM keymat is supported by the driver */
2402 action->esp_id = (uintptr_t)maction->esp_aes_gcm.ctx;
2ea26203 2403 action->action |= is_egress ?
802c2125
AY		 2404 MLX5_FLOW_CONTEXT_ACTION_ENCRYPT :
2405 MLX5_FLOW_CONTEXT_ACTION_DECRYPT;
2406 return 0;
b1085be3
MB		 2407 case IB_FLOW_ACTION_UNSPECIFIED:
2408 if (maction->flow_action_raw.sub_type ==
2409 MLX5_IB_FLOW_ACTION_MODIFY_HEADER) {
501f14e3
MB		 2410 if (action->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
2411 return -EINVAL;
b1085be3
MB		 2412 action->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
2413 action->modify_id = maction->flow_action_raw.action_id;
2414 return 0;
2415 }
10a30896
MB		 2416 if (maction->flow_action_raw.sub_type ==
2417 MLX5_IB_FLOW_ACTION_DECAP) {
501f14e3
MB		 2418 if (action->action & MLX5_FLOW_CONTEXT_ACTION_DECAP)
2419 return -EINVAL;
10a30896
MB		 2420 action->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP;
2421 return 0;
2422 }
e806f932
MB		 2423 if (maction->flow_action_raw.sub_type ==
2424 MLX5_IB_FLOW_ACTION_PACKET_REFORMAT) {
501f14e3
MB		 2425 if (action->action &
2426 MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT)
2427 return -EINVAL;
e806f932
MB		 2428 action->action |=
2429 MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
2430 action->reformat_id =
2431 maction->flow_action_raw.action_id;
2432 return 0;
2433 }
b1085be3 2434 /* fall through */
802c2125
AY		 2435 default:
2436 return -EOPNOTSUPP;
2437 }
2438}
2439
19cc7524
AL		 2440static int parse_flow_attr(struct mlx5_core_dev *mdev, u32 *match_c,
2441 u32 *match_v, const union ib_flow_spec *ib_spec,
802c2125 2442 const struct ib_flow_attr *flow_attr,
71c6e863 2443 struct mlx5_flow_act *action, u32 prev_type)
038d2ef8 2444{
466fa6d2
MG		 2445 void *misc_params_c = MLX5_ADDR_OF(fte_match_param, match_c,
2446 misc_parameters);
2447 void *misc_params_v = MLX5_ADDR_OF(fte_match_param, match_v,
2448 misc_parameters);
71c6e863
AL		 2449 void *misc_params2_c = MLX5_ADDR_OF(fte_match_param, match_c,
2450 misc_parameters_2);
2451 void *misc_params2_v = MLX5_ADDR_OF(fte_match_param, match_v,
2452 misc_parameters_2);
2d1e697e
MR		 2453 void *headers_c;
2454 void *headers_v;
19cc7524 2455 int match_ipv;
802c2125 2456 int ret;
2d1e697e
MR		 2457
2458 if (ib_spec->type & IB_FLOW_SPEC_INNER) {
2459 headers_c = MLX5_ADDR_OF(fte_match_param, match_c,
2460 inner_headers);
2461 headers_v = MLX5_ADDR_OF(fte_match_param, match_v,
2462 inner_headers);
19cc7524
AL		 2463 match_ipv = MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
2464 ft_field_support.inner_ip_version);
2d1e697e
MR		 2465 } else {
2466 headers_c = MLX5_ADDR_OF(fte_match_param, match_c,
2467 outer_headers);
2468 headers_v = MLX5_ADDR_OF(fte_match_param, match_v,
2469 outer_headers);
19cc7524
AL		 2470 match_ipv = MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
2471 ft_field_support.outer_ip_version);
2d1e697e 2472 }
466fa6d2 2473
2d1e697e 2474 switch (ib_spec->type & ~IB_FLOW_SPEC_INNER) {
038d2ef8 2475 case IB_FLOW_SPEC_ETH:
c47ac6ae 2476 if (FIELDS_NOT_SUPPORTED(ib_spec->eth.mask, LAST_ETH_FIELD))
1ffd3a26 2477 return -EOPNOTSUPP;
038d2ef8 2478
2d1e697e 2479 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
038d2ef8
MG		 2480 dmac_47_16),
2481 ib_spec->eth.mask.dst_mac);
2d1e697e 2482 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
038d2ef8
MG		 2483 dmac_47_16),
2484 ib_spec->eth.val.dst_mac);
2485
2d1e697e 2486 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
ee3da804
MG		 2487 smac_47_16),
2488 ib_spec->eth.mask.src_mac);
2d1e697e 2489 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
ee3da804
MG		 2490 smac_47_16),
2491 ib_spec->eth.val.src_mac);
2492
038d2ef8 2493 if (ib_spec->eth.mask.vlan_tag) {
2d1e697e 2494 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
10543365 2495 cvlan_tag, 1);
2d1e697e 2496 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
10543365 2497 cvlan_tag, 1);
038d2ef8 2498
2d1e697e 2499 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
038d2ef8 2500 first_vid, ntohs(ib_spec->eth.mask.vlan_tag));
2d1e697e 2501 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
038d2ef8
MG		 2502 first_vid, ntohs(ib_spec->eth.val.vlan_tag));
2503
2d1e697e 2504 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
038d2ef8
MG		 2505 first_cfi,
2506 ntohs(ib_spec->eth.mask.vlan_tag) >> 12);
2d1e697e 2507 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
038d2ef8
MG		 2508 first_cfi,
2509 ntohs(ib_spec->eth.val.vlan_tag) >> 12);
2510
2d1e697e 2511 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
038d2ef8
MG		 2512 first_prio,
2513 ntohs(ib_spec->eth.mask.vlan_tag) >> 13);
2d1e697e 2514 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
038d2ef8
MG		 2515 first_prio,
2516 ntohs(ib_spec->eth.val.vlan_tag) >> 13);
2517 }
2d1e697e 2518 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
038d2ef8 2519 ethertype, ntohs(ib_spec->eth.mask.ether_type));
2d1e697e 2520 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
038d2ef8
MG		 2521 ethertype, ntohs(ib_spec->eth.val.ether_type));
2522 break;
2523 case IB_FLOW_SPEC_IPV4:
c47ac6ae 2524 if (FIELDS_NOT_SUPPORTED(ib_spec->ipv4.mask, LAST_IPV4_FIELD))
1ffd3a26 2525 return -EOPNOTSUPP;
038d2ef8 2526
19cc7524
AL		 2527 if (match_ipv) {
2528 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
2529 ip_version, 0xf);
2530 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
3346c487 2531 ip_version, MLX5_FS_IPV4_VERSION);
19cc7524
AL		 2532 } else {
2533 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
2534 ethertype, 0xffff);
2535 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
2536 ethertype, ETH_P_IP);
2537 }
038d2ef8 2538
2d1e697e 2539 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
038d2ef8
MG		 2540 src_ipv4_src_ipv6.ipv4_layout.ipv4),
2541 &ib_spec->ipv4.mask.src_ip,
2542 sizeof(ib_spec->ipv4.mask.src_ip));
2d1e697e 2543 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
038d2ef8
MG		 2544 src_ipv4_src_ipv6.ipv4_layout.ipv4),
2545 &ib_spec->ipv4.val.src_ip,
2546 sizeof(ib_spec->ipv4.val.src_ip));
2d1e697e 2547 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
038d2ef8
MG		 2548 dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
2549 &ib_spec->ipv4.mask.dst_ip,
2550 sizeof(ib_spec->ipv4.mask.dst_ip));
2d1e697e 2551 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
038d2ef8
MG		 2552 dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
2553 &ib_spec->ipv4.val.dst_ip,
2554 sizeof(ib_spec->ipv4.val.dst_ip));
ca0d4753 2555
2d1e697e 2556 set_tos(headers_c, headers_v,
ca0d4753
MG		 2557 ib_spec->ipv4.mask.tos, ib_spec->ipv4.val.tos);
2558
2d1e697e 2559 set_proto(headers_c, headers_v,
ca0d4753 2560 ib_spec->ipv4.mask.proto, ib_spec->ipv4.val.proto);
038d2ef8 2561 break;
026bae0c 2562 case IB_FLOW_SPEC_IPV6:
c47ac6ae 2563 if (FIELDS_NOT_SUPPORTED(ib_spec->ipv6.mask, LAST_IPV6_FIELD))
1ffd3a26 2564 return -EOPNOTSUPP;
026bae0c 2565
19cc7524
AL		 2566 if (match_ipv) {
2567 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
2568 ip_version, 0xf);
2569 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
3346c487 2570 ip_version, MLX5_FS_IPV6_VERSION);
19cc7524
AL		 2571 } else {
2572 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
2573 ethertype, 0xffff);
2574 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
2575 ethertype, ETH_P_IPV6);
2576 }
026bae0c 2577
2d1e697e 2578 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
026bae0c
MG		 2579 src_ipv4_src_ipv6.ipv6_layout.ipv6),
2580 &ib_spec->ipv6.mask.src_ip,
2581 sizeof(ib_spec->ipv6.mask.src_ip));
2d1e697e 2582 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
026bae0c
MG		 2583 src_ipv4_src_ipv6.ipv6_layout.ipv6),
2584 &ib_spec->ipv6.val.src_ip,
2585 sizeof(ib_spec->ipv6.val.src_ip));
2d1e697e 2586 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
026bae0c
MG		 2587 dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
2588 &ib_spec->ipv6.mask.dst_ip,
2589 sizeof(ib_spec->ipv6.mask.dst_ip));
2d1e697e 2590 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
026bae0c
MG		 2591 dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
2592 &ib_spec->ipv6.val.dst_ip,
2593 sizeof(ib_spec->ipv6.val.dst_ip));
466fa6d2 2594
2d1e697e 2595 set_tos(headers_c, headers_v,
466fa6d2
MG		 2596 ib_spec->ipv6.mask.traffic_class,
2597 ib_spec->ipv6.val.traffic_class);
2598
2d1e697e 2599 set_proto(headers_c, headers_v,
466fa6d2
MG		 2600 ib_spec->ipv6.mask.next_hdr,
2601 ib_spec->ipv6.val.next_hdr);
2602
2d1e697e
MR		 2603 set_flow_label(misc_params_c, misc_params_v,
2604 ntohl(ib_spec->ipv6.mask.flow_label),
2605 ntohl(ib_spec->ipv6.val.flow_label),
2606 ib_spec->type & IB_FLOW_SPEC_INNER);
802c2125
AY		 2607 break;
2608 case IB_FLOW_SPEC_ESP:
2609 if (ib_spec->esp.mask.seq)
2610 return -EOPNOTSUPP;
2d1e697e 2611
802c2125
AY		 2612 MLX5_SET(fte_match_set_misc, misc_params_c, outer_esp_spi,
2613 ntohl(ib_spec->esp.mask.spi));
2614 MLX5_SET(fte_match_set_misc, misc_params_v, outer_esp_spi,
2615 ntohl(ib_spec->esp.val.spi));
026bae0c 2616 break;
038d2ef8 2617 case IB_FLOW_SPEC_TCP:
c47ac6ae
MG		 2618 if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask,
2619 LAST_TCP_UDP_FIELD))
1ffd3a26 2620 return -EOPNOTSUPP;
038d2ef8 2621
2d1e697e 2622 MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol,
038d2ef8 2623 0xff);
2d1e697e 2624 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
038d2ef8
MG		 2625 IPPROTO_TCP);
2626
2d1e697e 2627 MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_sport,
038d2ef8 2628 ntohs(ib_spec->tcp_udp.mask.src_port));
2d1e697e 2629 MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_sport,
038d2ef8
MG		 2630 ntohs(ib_spec->tcp_udp.val.src_port));
2631
2d1e697e 2632 MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_dport,
038d2ef8 2633 ntohs(ib_spec->tcp_udp.mask.dst_port));
2d1e697e 2634 MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_dport,
038d2ef8
MG		 2635 ntohs(ib_spec->tcp_udp.val.dst_port));
2636 break;
2637 case IB_FLOW_SPEC_UDP:
c47ac6ae
MG		 2638 if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask,
2639 LAST_TCP_UDP_FIELD))
1ffd3a26 2640 return -EOPNOTSUPP;
038d2ef8 2641
2d1e697e 2642 MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol,
038d2ef8 2643 0xff);
2d1e697e 2644 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
038d2ef8
MG		 2645 IPPROTO_UDP);
2646
2d1e697e 2647 MLX5_SET(fte_match_set_lyr_2_4, headers_c, udp_sport,
038d2ef8 2648 ntohs(ib_spec->tcp_udp.mask.src_port));
2d1e697e 2649 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_sport,
038d2ef8
MG		 2650 ntohs(ib_spec->tcp_udp.val.src_port));
2651
2d1e697e 2652 MLX5_SET(fte_match_set_lyr_2_4, headers_c, udp_dport,
038d2ef8 2653 ntohs(ib_spec->tcp_udp.mask.dst_port));
2d1e697e 2654 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport,
038d2ef8
MG		 2655 ntohs(ib_spec->tcp_udp.val.dst_port));
2656 break;
da2f22ae
AL		 2657 case IB_FLOW_SPEC_GRE:
2658 if (ib_spec->gre.mask.c_ks_res0_ver)
2659 return -EOPNOTSUPP;
2660
2661 MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol,
2662 0xff);
2663 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
2664 IPPROTO_GRE);
2665
2666 MLX5_SET(fte_match_set_misc, misc_params_c, gre_protocol,
a93b632c 2667 ntohs(ib_spec->gre.mask.protocol));
da2f22ae
AL		 2668 MLX5_SET(fte_match_set_misc, misc_params_v, gre_protocol,
2669 ntohs(ib_spec->gre.val.protocol));
2670
2671 memcpy(MLX5_ADDR_OF(fte_match_set_misc, misc_params_c,
2672 gre_key_h),
2673 &ib_spec->gre.mask.key,
2674 sizeof(ib_spec->gre.mask.key));
2675 memcpy(MLX5_ADDR_OF(fte_match_set_misc, misc_params_v,
2676 gre_key_h),
2677 &ib_spec->gre.val.key,
2678 sizeof(ib_spec->gre.val.key));
2679 break;
71c6e863
AL		 2680 case IB_FLOW_SPEC_MPLS:
2681 switch (prev_type) {
2682 case IB_FLOW_SPEC_UDP:
2683 if (check_mpls_supp_fields(MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
2684 ft_field_support.outer_first_mpls_over_udp),
2685 &ib_spec->mpls.mask.tag))
2686 return -EOPNOTSUPP;
2687
2688 memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_v,
2689 outer_first_mpls_over_udp),
2690 &ib_spec->mpls.val.tag,
2691 sizeof(ib_spec->mpls.val.tag));
2692 memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_c,
2693 outer_first_mpls_over_udp),
2694 &ib_spec->mpls.mask.tag,
2695 sizeof(ib_spec->mpls.mask.tag));
2696 break;
2697 case IB_FLOW_SPEC_GRE:
2698 if (check_mpls_supp_fields(MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
2699 ft_field_support.outer_first_mpls_over_gre),
2700 &ib_spec->mpls.mask.tag))
2701 return -EOPNOTSUPP;
2702
2703 memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_v,
2704 outer_first_mpls_over_gre),
2705 &ib_spec->mpls.val.tag,
2706 sizeof(ib_spec->mpls.val.tag));
2707 memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_c,
2708 outer_first_mpls_over_gre),
2709 &ib_spec->mpls.mask.tag,
2710 sizeof(ib_spec->mpls.mask.tag));
2711 break;
2712 default:
2713 if (ib_spec->type & IB_FLOW_SPEC_INNER) {
2714 if (check_mpls_supp_fields(MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
2715 ft_field_support.inner_first_mpls),
2716 &ib_spec->mpls.mask.tag))
2717 return -EOPNOTSUPP;
2718
2719 memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_v,
2720 inner_first_mpls),
2721 &ib_spec->mpls.val.tag,
2722 sizeof(ib_spec->mpls.val.tag));
2723 memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_c,
2724 inner_first_mpls),
2725 &ib_spec->mpls.mask.tag,
2726 sizeof(ib_spec->mpls.mask.tag));
2727 } else {
2728 if (check_mpls_supp_fields(MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
2729 ft_field_support.outer_first_mpls),
2730 &ib_spec->mpls.mask.tag))
2731 return -EOPNOTSUPP;
2732
2733 memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_v,
2734 outer_first_mpls),
2735 &ib_spec->mpls.val.tag,
2736 sizeof(ib_spec->mpls.val.tag));
2737 memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_c,
2738 outer_first_mpls),
2739 &ib_spec->mpls.mask.tag,
2740 sizeof(ib_spec->mpls.mask.tag));
2741 }
2742 }
2743 break;
ffb30d8f
MR		 2744 case IB_FLOW_SPEC_VXLAN_TUNNEL:
2745 if (FIELDS_NOT_SUPPORTED(ib_spec->tunnel.mask,
2746 LAST_TUNNEL_FIELD))
1ffd3a26 2747 return -EOPNOTSUPP;
ffb30d8f
MR		 2748
2749 MLX5_SET(fte_match_set_misc, misc_params_c, vxlan_vni,
2750 ntohl(ib_spec->tunnel.mask.tunnel_id));
2751 MLX5_SET(fte_match_set_misc, misc_params_v, vxlan_vni,
2752 ntohl(ib_spec->tunnel.val.tunnel_id));
2753 break;
2ac693f9
MR		 2754 case IB_FLOW_SPEC_ACTION_TAG:
2755 if (FIELDS_NOT_SUPPORTED(ib_spec->flow_tag,
2756 LAST_FLOW_TAG_FIELD))
2757 return -EOPNOTSUPP;
2758 if (ib_spec->flow_tag.tag_id >= BIT(24))
2759 return -EINVAL;
2760
075572d4 2761 action->flow_tag = ib_spec->flow_tag.tag_id;
d5634fee 2762 action->flags |= FLOW_ACT_HAS_TAG;
2ac693f9 2763 break;
a22ed86c
SS		 2764 case IB_FLOW_SPEC_ACTION_DROP:
2765 if (FIELDS_NOT_SUPPORTED(ib_spec->drop,
2766 LAST_DROP_FIELD))
2767 return -EOPNOTSUPP;
075572d4 2768 action->action |= MLX5_FLOW_CONTEXT_ACTION_DROP;
a22ed86c 2769 break;
802c2125 2770 case IB_FLOW_SPEC_ACTION_HANDLE:
2ea26203
MB		 2771 ret = parse_flow_flow_action(to_mflow_act(ib_spec->action.act),
2772 flow_attr->flags & IB_FLOW_ATTR_FLAGS_EGRESS, action);
802c2125
AY		 2773 if (ret)
2774 return ret;
2775 break;
3b3233fb
RS		 2776 case IB_FLOW_SPEC_ACTION_COUNT:
2777 if (FIELDS_NOT_SUPPORTED(ib_spec->flow_count,
2778 LAST_COUNTERS_FIELD))
2779 return -EOPNOTSUPP;
2780
2781 /* for now support only one counters spec per flow */
2782 if (action->action & MLX5_FLOW_CONTEXT_ACTION_COUNT)
2783 return -EINVAL;
2784
2785 action->counters = ib_spec->flow_count.counters;
2786 action->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
2787 break;
038d2ef8
MG		 2788 default:
2789 return -EINVAL;
2790 }
2791
2792 return 0;
2793}
2794
2795/* If a flow could catch both multicast and unicast packets,
2796 * it won't fall into the multicast flow steering table and this rule
2797 * could steal other multicast packets.
2798 */
a550ddfc 2799static bool flow_is_multicast_only(const struct ib_flow_attr *ib_attr)
038d2ef8 2800{
81e30880 2801 union ib_flow_spec *flow_spec;
038d2ef8
MG		 2802
2803 if (ib_attr->type != IB_FLOW_ATTR_NORMAL ||
038d2ef8
MG		 2804 ib_attr->num_of_specs < 1)
2805 return false;
2806
81e30880
YH		 2807 flow_spec = (union ib_flow_spec *)(ib_attr + 1);
2808 if (flow_spec->type == IB_FLOW_SPEC_IPV4) {
2809 struct ib_flow_spec_ipv4 *ipv4_spec;
2810
2811 ipv4_spec = (struct ib_flow_spec_ipv4 *)flow_spec;
2812 if (ipv4_is_multicast(ipv4_spec->val.dst_ip))
2813 return true;
2814
038d2ef8 2815 return false;
81e30880
YH		 2816 }
2817
2818 if (flow_spec->type == IB_FLOW_SPEC_ETH) {
2819 struct ib_flow_spec_eth *eth_spec;
2820
2821 eth_spec = (struct ib_flow_spec_eth *)flow_spec;
2822 return is_multicast_ether_addr(eth_spec->mask.dst_mac) &&
2823 is_multicast_ether_addr(eth_spec->val.dst_mac);
2824 }
038d2ef8 2825
81e30880 2826 return false;
038d2ef8
MG		 2827}
2828
802c2125
AY		 2829enum valid_spec {
2830 VALID_SPEC_INVALID,
2831 VALID_SPEC_VALID,
2832 VALID_SPEC_NA,
2833};
2834
2835static enum valid_spec
2836is_valid_esp_aes_gcm(struct mlx5_core_dev *mdev,
2837 const struct mlx5_flow_spec *spec,
2838 const struct mlx5_flow_act *flow_act,
2839 bool egress)
2840{
2841 const u32 *match_c = spec->match_criteria;
2842 bool is_crypto =
2843 (flow_act->action & (MLX5_FLOW_CONTEXT_ACTION_ENCRYPT |
2844 MLX5_FLOW_CONTEXT_ACTION_DECRYPT));
2845 bool is_ipsec = mlx5_fs_is_ipsec_flow(match_c);
2846 bool is_drop = flow_act->action & MLX5_FLOW_CONTEXT_ACTION_DROP;
2847
2848 /*
2849 * Currently only crypto is supported in egress, when regular egress
2850 * rules would be supported, always return VALID_SPEC_NA.
2851 */
2852 if (!is_crypto)
78dd0c43 2853 return VALID_SPEC_NA;
802c2125
AY		 2854
2855 return is_crypto && is_ipsec &&
d5634fee 2856 (!egress || (!is_drop && !(flow_act->flags & FLOW_ACT_HAS_TAG))) ?
802c2125
AY		 2857 VALID_SPEC_VALID : VALID_SPEC_INVALID;
2858}
2859
2860static bool is_valid_spec(struct mlx5_core_dev *mdev,
2861 const struct mlx5_flow_spec *spec,
2862 const struct mlx5_flow_act *flow_act,
2863 bool egress)
2864{
2865 /* We curretly only support ipsec egress flow */
2866 return is_valid_esp_aes_gcm(mdev, spec, flow_act, egress) != VALID_SPEC_INVALID;
2867}
2868
19cc7524
AL		 2869static bool is_valid_ethertype(struct mlx5_core_dev *mdev,
2870 const struct ib_flow_attr *flow_attr,
0f750966 2871 bool check_inner)
038d2ef8
MG		 2872{
2873 union ib_flow_spec *ib_spec = (union ib_flow_spec *)(flow_attr + 1);
19cc7524
AL		 2874 int match_ipv = check_inner ?
2875 MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
2876 ft_field_support.inner_ip_version) :
2877 MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
2878 ft_field_support.outer_ip_version);
0f750966
AL		 2879 int inner_bit = check_inner ? IB_FLOW_SPEC_INNER : 0;
2880 bool ipv4_spec_valid, ipv6_spec_valid;
2881 unsigned int ip_spec_type = 0;
2882 bool has_ethertype = false;
038d2ef8 2883 unsigned int spec_index;
0f750966
AL		 2884 bool mask_valid = true;
2885 u16 eth_type = 0;
2886 bool type_valid;
038d2ef8
MG		 2887
2888 /* Validate that ethertype is correct */
2889 for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) {
0f750966 2890 if ((ib_spec->type == (IB_FLOW_SPEC_ETH | inner_bit)) &&
038d2ef8 2891 ib_spec->eth.mask.ether_type) {
0f750966
AL		 2892 mask_valid = (ib_spec->eth.mask.ether_type ==
2893 htons(0xffff));
2894 has_ethertype = true;
2895 eth_type = ntohs(ib_spec->eth.val.ether_type);
2896 } else if ((ib_spec->type == (IB_FLOW_SPEC_IPV4 | inner_bit)) ||
2897 (ib_spec->type == (IB_FLOW_SPEC_IPV6 | inner_bit))) {
2898 ip_spec_type = ib_spec->type;
038d2ef8
MG		 2899 }
2900 ib_spec = (void *)ib_spec + ib_spec->size;
2901 }
0f750966
AL		 2902
2903 type_valid = (!has_ethertype) || (!ip_spec_type);
2904 if (!type_valid && mask_valid) {
2905 ipv4_spec_valid = (eth_type == ETH_P_IP) &&
2906 (ip_spec_type == (IB_FLOW_SPEC_IPV4 | inner_bit));
2907 ipv6_spec_valid = (eth_type == ETH_P_IPV6) &&
2908 (ip_spec_type == (IB_FLOW_SPEC_IPV6 | inner_bit));
19cc7524
AL		 2909
2910 type_valid = (ipv4_spec_valid) || (ipv6_spec_valid) ||
2911 (((eth_type == ETH_P_MPLS_UC) ||
2912 (eth_type == ETH_P_MPLS_MC)) && match_ipv);
0f750966
AL		 2913 }
2914
2915 return type_valid;
2916}
2917
19cc7524
AL		 2918static bool is_valid_attr(struct mlx5_core_dev *mdev,
2919 const struct ib_flow_attr *flow_attr)
0f750966 2920{
19cc7524
AL		 2921 return is_valid_ethertype(mdev, flow_attr, false) &&
2922 is_valid_ethertype(mdev, flow_attr, true);
038d2ef8
MG		 2923}
2924
2925static void put_flow_table(struct mlx5_ib_dev *dev,
2926 struct mlx5_ib_flow_prio *prio, bool ft_added)
2927{
2928 prio->refcount -= !!ft_added;
2929 if (!prio->refcount) {
2930 mlx5_destroy_flow_table(prio->flow_table);
2931 prio->flow_table = NULL;
2932 }
2933}
2934
3b3233fb
RS		 2935static void counters_clear_description(struct ib_counters *counters)
2936{
2937 struct mlx5_ib_mcounters *mcounters = to_mcounters(counters);
2938
2939 mutex_lock(&mcounters->mcntrs_mutex);
2940 kfree(mcounters->counters_data);
2941 mcounters->counters_data = NULL;
2942 mcounters->cntrs_max_index = 0;
2943 mutex_unlock(&mcounters->mcntrs_mutex);
2944}
2945
038d2ef8
MG		 2946static int mlx5_ib_destroy_flow(struct ib_flow *flow_id)
2947{
038d2ef8
MG		 2948 struct mlx5_ib_flow_handler *handler = container_of(flow_id,
2949 struct mlx5_ib_flow_handler,
2950 ibflow);
2951 struct mlx5_ib_flow_handler *iter, *tmp;
d4be3f44 2952 struct mlx5_ib_dev *dev = handler->dev;
038d2ef8 2953
9a4ca38d 2954 mutex_lock(&dev->flow_db->lock);
038d2ef8
MG		 2955
2956 list_for_each_entry_safe(iter, tmp, &handler->list, list) {
74491de9 2957 mlx5_del_flow_rules(iter->rule);
cc0e5d42 2958 put_flow_table(dev, iter->prio, true);
038d2ef8
MG		 2959 list_del(&iter->list);
2960 kfree(iter);
2961 }
2962
74491de9 2963 mlx5_del_flow_rules(handler->rule);
5497adc6 2964 put_flow_table(dev, handler->prio, true);
3b3233fb
RS		 2965 if (handler->ibcounters &&
2966 atomic_read(&handler->ibcounters->usecnt) == 1)
2967 counters_clear_description(handler->ibcounters);
038d2ef8 2968
3b3233fb 2969 mutex_unlock(&dev->flow_db->lock);
d4be3f44
YH		 2970 if (handler->flow_matcher)
2971 atomic_dec(&handler->flow_matcher->usecnt);
038d2ef8
MG		 2972 kfree(handler);
2973
2974 return 0;
2975}
2976
35d19011
MG		 2977static int ib_prio_to_core_prio(unsigned int priority, bool dont_trap)
2978{
2979 priority *= 2;
2980 if (!dont_trap)
2981 priority++;
2982 return priority;
2983}
2984
cc0e5d42
MG		 2985enum flow_table_type {
2986 MLX5_IB_FT_RX,
2987 MLX5_IB_FT_TX
2988};
2989
00b7c2ab
MG		 2990#define MLX5_FS_MAX_TYPES 6
2991#define MLX5_FS_MAX_ENTRIES BIT(16)
d4be3f44
YH		 2992
2993static struct mlx5_ib_flow_prio *_get_prio(struct mlx5_flow_namespace *ns,
2994 struct mlx5_ib_flow_prio *prio,
2995 int priority,
4adda112
MB		 2996 int num_entries, int num_groups,
2997 u32 flags)
d4be3f44
YH		 2998{
2999 struct mlx5_flow_table *ft;
3000
3001 ft = mlx5_create_auto_grouped_flow_table(ns, priority,
3002 num_entries,
3003 num_groups,
4adda112 3004 0, flags);
d4be3f44
YH		 3005 if (IS_ERR(ft))
3006 return ERR_CAST(ft);
3007
3008 prio->flow_table = ft;
3009 prio->refcount = 0;
3010 return prio;
3011}
3012
038d2ef8 3013static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev,
cc0e5d42
MG		 3014 struct ib_flow_attr *flow_attr,
3015 enum flow_table_type ft_type)
038d2ef8 3016{
35d19011 3017 bool dont_trap = flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP;
038d2ef8
MG		 3018 struct mlx5_flow_namespace *ns = NULL;
3019 struct mlx5_ib_flow_prio *prio;
3020 struct mlx5_flow_table *ft;
dac388ef 3021 int max_table_size;
038d2ef8
MG		 3022 int num_entries;
3023 int num_groups;
4adda112 3024 u32 flags = 0;
038d2ef8 3025 int priority;
038d2ef8 3026
dac388ef
MG		 3027 max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
3028 log_max_ft_size));
038d2ef8 3029 if (flow_attr->type == IB_FLOW_ATTR_NORMAL) {
78dd0c43
MB		 3030 enum mlx5_flow_namespace_type fn_type;
3031
3032 if (flow_is_multicast_only(flow_attr) &&
3033 !dont_trap)
038d2ef8
MG		 3034 priority = MLX5_IB_FLOW_MCAST_PRIO;
3035 else
35d19011
MG		 3036 priority = ib_prio_to_core_prio(flow_attr->priority,
3037 dont_trap);
78dd0c43
MB		 3038 if (ft_type == MLX5_IB_FT_RX) {
3039 fn_type = MLX5_FLOW_NAMESPACE_BYPASS;
3040 prio = &dev->flow_db->prios[priority];
4adda112
MB		 3041 if (!dev->rep &&
3042 MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, decap))
3043 flags |= MLX5_FLOW_TABLE_TUNNEL_EN_DECAP;
5c2db53f
MB		 3044 if (!dev->rep &&
3045 MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
3046 reformat_l3_tunnel_to_l2))
3047 flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
78dd0c43
MB		 3048 } else {
3049 max_table_size =
3050 BIT(MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev,
3051 log_max_ft_size));
3052 fn_type = MLX5_FLOW_NAMESPACE_EGRESS;
3053 prio = &dev->flow_db->egress_prios[priority];
4adda112
MB		 3054 if (!dev->rep &&
3055 MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, reformat))
3056 flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
78dd0c43
MB		 3057 }
3058 ns = mlx5_get_flow_namespace(dev->mdev, fn_type);
038d2ef8
MG		 3059 num_entries = MLX5_FS_MAX_ENTRIES;
3060 num_groups = MLX5_FS_MAX_TYPES;
038d2ef8
MG		 3061 } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT ||
3062 flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) {
3063 ns = mlx5_get_flow_namespace(dev->mdev,
3064 MLX5_FLOW_NAMESPACE_LEFTOVERS);
3065 build_leftovers_ft_param(&priority,
3066 &num_entries,
3067 &num_groups);
9a4ca38d 3068 prio = &dev->flow_db->prios[MLX5_IB_FLOW_LEFTOVERS_PRIO];
cc0e5d42
MG		 3069 } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) {
3070 if (!MLX5_CAP_FLOWTABLE(dev->mdev,
3071 allow_sniffer_and_nic_rx_shared_tir))
3072 return ERR_PTR(-ENOTSUPP);
3073
3074 ns = mlx5_get_flow_namespace(dev->mdev, ft_type == MLX5_IB_FT_RX ?
3075 MLX5_FLOW_NAMESPACE_SNIFFER_RX :
3076 MLX5_FLOW_NAMESPACE_SNIFFER_TX);
3077
9a4ca38d 3078 prio = &dev->flow_db->sniffer[ft_type];
cc0e5d42
MG		 3079 priority = 0;
3080 num_entries = 1;
3081 num_groups = 1;
038d2ef8
MG		 3082 }
3083
3084 if (!ns)
3085 return ERR_PTR(-ENOTSUPP);
3086
dac388ef
MG		 3087 if (num_entries > max_table_size)
3088 return ERR_PTR(-ENOMEM);
3089
038d2ef8 3090 ft = prio->flow_table;
d4be3f44 3091 if (!ft)
4adda112
MB		 3092 return _get_prio(ns, prio, priority, num_entries, num_groups,
3093 flags);
038d2ef8 3094
d4be3f44 3095 return prio;
038d2ef8
MG		 3096}
3097
a550ddfc
YH		 3098static void set_underlay_qp(struct mlx5_ib_dev *dev,
3099 struct mlx5_flow_spec *spec,
3100 u32 underlay_qpn)
3101{
3102 void *misc_params_c = MLX5_ADDR_OF(fte_match_param,
3103 spec->match_criteria,
3104 misc_parameters);
3105 void *misc_params_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
3106 misc_parameters);
3107
3108 if (underlay_qpn &&
3109 MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
3110 ft_field_support.bth_dst_qp)) {
3111 MLX5_SET(fte_match_set_misc,
3112 misc_params_v, bth_dst_qp, underlay_qpn);
3113 MLX5_SET(fte_match_set_misc,
3114 misc_params_c, bth_dst_qp, 0xffffff);
3115 }
3116}
3117
5e95af5f
RS		 3118static int read_flow_counters(struct ib_device *ibdev,
3119 struct mlx5_read_counters_attr *read_attr)
3120{
3121 struct mlx5_fc *fc = read_attr->hw_cntrs_hndl;
3122 struct mlx5_ib_dev *dev = to_mdev(ibdev);
3123
3124 return mlx5_fc_query(dev->mdev, fc,
3125 &read_attr->out[IB_COUNTER_PACKETS],
3126 &read_attr->out[IB_COUNTER_BYTES]);
3127}
3128
3129/* flow counters currently expose two counters packets and bytes */
3130#define FLOW_COUNTERS_NUM 2
3b3233fb
RS		 3131static int counters_set_description(struct ib_counters *counters,
3132 enum mlx5_ib_counters_type counters_type,
3133 struct mlx5_ib_flow_counters_desc *desc_data,
3134 u32 ncounters)
3135{
3136 struct mlx5_ib_mcounters *mcounters = to_mcounters(counters);
3137 u32 cntrs_max_index = 0;
3138 int i;
3139
3140 if (counters_type != MLX5_IB_COUNTERS_FLOW)
3141 return -EINVAL;
3142
3143 /* init the fields for the object */
3144 mcounters->type = counters_type;
5e95af5f
RS		 3145 mcounters->read_counters = read_flow_counters;
3146 mcounters->counters_num = FLOW_COUNTERS_NUM;
3b3233fb
RS		 3147 mcounters->ncounters = ncounters;
3148 /* each counter entry have both description and index pair */
3149 for (i = 0; i < ncounters; i++) {
3150 if (desc_data[i].description > IB_COUNTER_BYTES)
3151 return -EINVAL;
3152
3153 if (cntrs_max_index <= desc_data[i].index)
3154 cntrs_max_index = desc_data[i].index + 1;
3155 }
3156
3157 mutex_lock(&mcounters->mcntrs_mutex);
3158 mcounters->counters_data = desc_data;
3159 mcounters->cntrs_max_index = cntrs_max_index;
3160 mutex_unlock(&mcounters->mcntrs_mutex);
3161
3162 return 0;
3163}
3164
3165#define MAX_COUNTERS_NUM (USHRT_MAX / (sizeof(u32) * 2))
3166static int flow_counters_set_data(struct ib_counters *ibcounters,
3167 struct mlx5_ib_create_flow *ucmd)
3168{
3169 struct mlx5_ib_mcounters *mcounters = to_mcounters(ibcounters);
3170 struct mlx5_ib_flow_counters_data *cntrs_data = NULL;
3171 struct mlx5_ib_flow_counters_desc *desc_data = NULL;
3172 bool hw_hndl = false;
3173 int ret = 0;
3174
3175 if (ucmd && ucmd->ncounters_data != 0) {
3176 cntrs_data = ucmd->data;
3177 if (cntrs_data->ncounters > MAX_COUNTERS_NUM)
3178 return -EINVAL;
3179
3180 desc_data = kcalloc(cntrs_data->ncounters,
3181 sizeof(*desc_data),
3182 GFP_KERNEL);
3183 if (!desc_data)
3184 return -ENOMEM;
3185
3186 if (copy_from_user(desc_data,
3187 u64_to_user_ptr(cntrs_data->counters_data),
3188 sizeof(*desc_data) * cntrs_data->ncounters)) {
3189 ret = -EFAULT;
3190 goto free;
3191 }
3192 }
3193
3194 if (!mcounters->hw_cntrs_hndl) {
3195 mcounters->hw_cntrs_hndl = mlx5_fc_create(
3196 to_mdev(ibcounters->device)->mdev, false);
e31abf76 3197 if (IS_ERR(mcounters->hw_cntrs_hndl)) {
3198 ret = PTR_ERR(mcounters->hw_cntrs_hndl);
3b3233fb
RS		 3199 goto free;
3200 }
3201 hw_hndl = true;
3202 }
3203
3204 if (desc_data) {
3205 /* counters already bound to at least one flow */
3206 if (mcounters->cntrs_max_index) {
3207 ret = -EINVAL;
3208 goto free_hndl;
3209 }
3210
3211 ret = counters_set_description(ibcounters,
3212 MLX5_IB_COUNTERS_FLOW,
3213 desc_data,
3214 cntrs_data->ncounters);
3215 if (ret)
3216 goto free_hndl;
3217
3218 } else if (!mcounters->cntrs_max_index) {
3219 /* counters not bound yet, must have udata passed */
3220 ret = -EINVAL;
3221 goto free_hndl;
3222 }
3223
3224 return 0;
3225
3226free_hndl:
3227 if (hw_hndl) {
3228 mlx5_fc_destroy(to_mdev(ibcounters->device)->mdev,
3229 mcounters->hw_cntrs_hndl);
3230 mcounters->hw_cntrs_hndl = NULL;
3231 }
3232free:
3233 kfree(desc_data);
3234 return ret;
3235}
3236
a550ddfc
YH		 3237static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev,
3238 struct mlx5_ib_flow_prio *ft_prio,
3239 const struct ib_flow_attr *flow_attr,
3240 struct mlx5_flow_destination *dst,
3b3233fb
RS		 3241 u32 underlay_qpn,
3242 struct mlx5_ib_create_flow *ucmd)
038d2ef8
MG		 3243{
3244 struct mlx5_flow_table *ft = ft_prio->flow_table;
3245 struct mlx5_ib_flow_handler *handler;
075572d4 3246 struct mlx5_flow_act flow_act = {.flow_tag = MLX5_FS_DEFAULT_FLOW_TAG};
c5bb1730 3247 struct mlx5_flow_spec *spec;
3b3233fb
RS		 3248 struct mlx5_flow_destination dest_arr[2] = {};
3249 struct mlx5_flow_destination *rule_dst = dest_arr;
dd063d0e 3250 const void *ib_flow = (const void *)flow_attr + sizeof(*flow_attr);
038d2ef8 3251 unsigned int spec_index;
71c6e863 3252 u32 prev_type = 0;
038d2ef8 3253 int err = 0;
3b3233fb 3254 int dest_num = 0;
802c2125 3255 bool is_egress = flow_attr->flags & IB_FLOW_ATTR_FLAGS_EGRESS;
038d2ef8 3256
19cc7524 3257 if (!is_valid_attr(dev->mdev, flow_attr))
038d2ef8
MG		 3258 return ERR_PTR(-EINVAL);
3259
78dd0c43
MB		 3260 if (dev->rep && is_egress)
3261 return ERR_PTR(-EINVAL);
3262
1b9a07ee 3263 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
038d2ef8 3264 handler = kzalloc(sizeof(*handler), GFP_KERNEL);
c5bb1730 3265 if (!handler || !spec) {
038d2ef8
MG		 3266 err = -ENOMEM;
3267 goto free;
3268 }
3269
3270 INIT_LIST_HEAD(&handler->list);
3b3233fb
RS		 3271 if (dst) {
3272 memcpy(&dest_arr[0], dst, sizeof(*dst));
3273 dest_num++;
3274 }
038d2ef8
MG		 3275
3276 for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) {
19cc7524 3277 err = parse_flow_attr(dev->mdev, spec->match_criteria,
a22ed86c 3278 spec->match_value,
71c6e863
AL		 3279 ib_flow, flow_attr, &flow_act,
3280 prev_type);
038d2ef8
MG		 3281 if (err < 0)
3282 goto free;
3283
71c6e863 3284 prev_type = ((union ib_flow_spec *)ib_flow)->type;
038d2ef8
MG		 3285 ib_flow += ((union ib_flow_spec *)ib_flow)->size;
3286 }
3287
a550ddfc
YH		 3288 if (!flow_is_multicast_only(flow_attr))
3289 set_underlay_qp(dev, spec, underlay_qpn);
3290
018a94ee
MB		 3291 if (dev->rep) {
3292 void *misc;
3293
3294 misc = MLX5_ADDR_OF(fte_match_param, spec->match_value,
3295 misc_parameters);
3296 MLX5_SET(fte_match_set_misc, misc, source_port,
3297 dev->rep->vport);
3298 misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
3299 misc_parameters);
3300 MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port);
3301 }
3302
466fa6d2 3303 spec->match_criteria_enable = get_match_criteria_enable(spec->match_criteria);
802c2125
AY		 3304
3305 if (is_egress &&
3306 !is_valid_spec(dev->mdev, spec, &flow_act, is_egress)) {
3307 err = -EINVAL;
3308 goto free;
3309 }
3310
3b3233fb 3311 if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
171c7625
MB		 3312 struct mlx5_ib_mcounters *mcounters;
3313
3b3233fb
RS		 3314 err = flow_counters_set_data(flow_act.counters, ucmd);
3315 if (err)
3316 goto free;
3317
171c7625 3318 mcounters = to_mcounters(flow_act.counters);
3b3233fb
RS		 3319 handler->ibcounters = flow_act.counters;
3320 dest_arr[dest_num].type =
3321 MLX5_FLOW_DESTINATION_TYPE_COUNTER;
171c7625
MB		 3322 dest_arr[dest_num].counter_id =
3323 mlx5_fc_id(mcounters->hw_cntrs_hndl);
3b3233fb
RS		 3324 dest_num++;
3325 }
3326
075572d4 3327 if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DROP) {
3b3233fb
RS		 3328 if (!(flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT)) {
3329 rule_dst = NULL;
3330 dest_num = 0;
3331 }
a22ed86c 3332 } else {
802c2125
AY		 3333 if (is_egress)
3334 flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_ALLOW;
3335 else
3336 flow_act.action |=
3b3233fb 3337 dest_num ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST :
802c2125 3338 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO;
a22ed86c 3339 }
2ac693f9 3340
d5634fee 3341 if ((flow_act.flags & FLOW_ACT_HAS_TAG) &&
2ac693f9
MR		 3342 (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT ||
3343 flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT)) {
3344 mlx5_ib_warn(dev, "Flow tag %u and attribute type %x isn't allowed in leftovers\n",
075572d4 3345 flow_act.flow_tag, flow_attr->type);
2ac693f9
MR		 3346 err = -EINVAL;
3347 goto free;
3348 }
74491de9 3349 handler->rule = mlx5_add_flow_rules(ft, spec,
66958ed9 3350 &flow_act,
a22ed86c 3351 rule_dst, dest_num);
038d2ef8
MG		 3352
3353 if (IS_ERR(handler->rule)) {
3354 err = PTR_ERR(handler->rule);
3355 goto free;
3356 }
3357
d9d4980a 3358 ft_prio->refcount++;
5497adc6 3359 handler->prio = ft_prio;
d4be3f44 3360 handler->dev = dev;
038d2ef8
MG		 3361
3362 ft_prio->flow_table = ft;
3363free:
3b3233fb
RS		 3364 if (err && handler) {
3365 if (handler->ibcounters &&
3366 atomic_read(&handler->ibcounters->usecnt) == 1)
3367 counters_clear_description(handler->ibcounters);
038d2ef8 3368 kfree(handler);
3b3233fb 3369 }
c5bb1730 3370 kvfree(spec);
038d2ef8
MG		 3371 return err ? ERR_PTR(err) : handler;
3372}
3373
a550ddfc
YH		 3374static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev,
3375 struct mlx5_ib_flow_prio *ft_prio,
3376 const struct ib_flow_attr *flow_attr,
3377 struct mlx5_flow_destination *dst)
3378{
3b3233fb 3379 return _create_flow_rule(dev, ft_prio, flow_attr, dst, 0, NULL);
a550ddfc
YH		 3380}
3381
35d19011
MG		 3382static struct mlx5_ib_flow_handler *create_dont_trap_rule(struct mlx5_ib_dev *dev,
3383 struct mlx5_ib_flow_prio *ft_prio,
3384 struct ib_flow_attr *flow_attr,
3385 struct mlx5_flow_destination *dst)
3386{
3387 struct mlx5_ib_flow_handler *handler_dst = NULL;
3388 struct mlx5_ib_flow_handler *handler = NULL;
3389
3390 handler = create_flow_rule(dev, ft_prio, flow_attr, NULL);
3391 if (!IS_ERR(handler)) {
3392 handler_dst = create_flow_rule(dev, ft_prio,
3393 flow_attr, dst);
3394 if (IS_ERR(handler_dst)) {
74491de9 3395 mlx5_del_flow_rules(handler->rule);
d9d4980a 3396 ft_prio->refcount--;
35d19011
MG		 3397 kfree(handler);
3398 handler = handler_dst;
3399 } else {
3400 list_add(&handler_dst->list, &handler->list);
3401 }
3402 }
3403
3404 return handler;
3405}
038d2ef8
MG		 3406enum {
3407 LEFTOVERS_MC,
3408 LEFTOVERS_UC,
3409};
3410
3411static struct mlx5_ib_flow_handler *create_leftovers_rule(struct mlx5_ib_dev *dev,
3412 struct mlx5_ib_flow_prio *ft_prio,
3413 struct ib_flow_attr *flow_attr,
3414 struct mlx5_flow_destination *dst)
3415{
3416 struct mlx5_ib_flow_handler *handler_ucast = NULL;
3417 struct mlx5_ib_flow_handler *handler = NULL;
3418
3419 static struct {
3420 struct ib_flow_attr flow_attr;
3421 struct ib_flow_spec_eth eth_flow;
3422 } leftovers_specs[] = {
3423 [LEFTOVERS_MC] = {
3424 .flow_attr = {
3425 .num_of_specs = 1,
3426 .size = sizeof(leftovers_specs[0])
3427 },
3428 .eth_flow = {
3429 .type = IB_FLOW_SPEC_ETH,
3430 .size = sizeof(struct ib_flow_spec_eth),
3431 .mask = {.dst_mac = {0x1} },
3432 .val = {.dst_mac = {0x1} }
3433 }
3434 },
3435 [LEFTOVERS_UC] = {
3436 .flow_attr = {
3437 .num_of_specs = 1,
3438 .size = sizeof(leftovers_specs[0])
3439 },
3440 .eth_flow = {
3441 .type = IB_FLOW_SPEC_ETH,
3442 .size = sizeof(struct ib_flow_spec_eth),
3443 .mask = {.dst_mac = {0x1} },
3444 .val = {.dst_mac = {} }
3445 }
3446 }
3447 };
3448
3449 handler = create_flow_rule(dev, ft_prio,
3450 &leftovers_specs[LEFTOVERS_MC].flow_attr,
3451 dst);
3452 if (!IS_ERR(handler) &&
3453 flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT) {
3454 handler_ucast = create_flow_rule(dev, ft_prio,
3455 &leftovers_specs[LEFTOVERS_UC].flow_attr,
3456 dst);
3457 if (IS_ERR(handler_ucast)) {
74491de9 3458 mlx5_del_flow_rules(handler->rule);
d9d4980a 3459 ft_prio->refcount--;
038d2ef8
MG		 3460 kfree(handler);
3461 handler = handler_ucast;
3462 } else {
3463 list_add(&handler_ucast->list, &handler->list);
3464 }
3465 }
3466
3467 return handler;
3468}
3469
cc0e5d42
MG		 3470static struct mlx5_ib_flow_handler *create_sniffer_rule(struct mlx5_ib_dev *dev,
3471 struct mlx5_ib_flow_prio *ft_rx,
3472 struct mlx5_ib_flow_prio *ft_tx,
3473 struct mlx5_flow_destination *dst)
3474{
3475 struct mlx5_ib_flow_handler *handler_rx;
3476 struct mlx5_ib_flow_handler *handler_tx;
3477 int err;
3478 static const struct ib_flow_attr flow_attr = {
3479 .num_of_specs = 0,
3480 .size = sizeof(flow_attr)
3481 };
3482
3483 handler_rx = create_flow_rule(dev, ft_rx, &flow_attr, dst);
3484 if (IS_ERR(handler_rx)) {
3485 err = PTR_ERR(handler_rx);
3486 goto err;
3487 }
3488
3489 handler_tx = create_flow_rule(dev, ft_tx, &flow_attr, dst);
3490 if (IS_ERR(handler_tx)) {
3491 err = PTR_ERR(handler_tx);
3492 goto err_tx;
3493 }
3494
3495 list_add(&handler_tx->list, &handler_rx->list);
3496
3497 return handler_rx;
3498
3499err_tx:
74491de9 3500 mlx5_del_flow_rules(handler_rx->rule);
cc0e5d42
MG		 3501 ft_rx->refcount--;
3502 kfree(handler_rx);
3503err:
3504 return ERR_PTR(err);
3505}
3506
038d2ef8
MG		 3507static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp,
3508 struct ib_flow_attr *flow_attr,
59082a32
MB		 3509 int domain,
3510 struct ib_udata *udata)
038d2ef8
MG		 3511{
3512 struct mlx5_ib_dev *dev = to_mdev(qp->device);
d9f88e5a 3513 struct mlx5_ib_qp *mqp = to_mqp(qp);
038d2ef8
MG		 3514 struct mlx5_ib_flow_handler *handler = NULL;
3515 struct mlx5_flow_destination *dst = NULL;
cc0e5d42 3516 struct mlx5_ib_flow_prio *ft_prio_tx = NULL;
038d2ef8 3517 struct mlx5_ib_flow_prio *ft_prio;
802c2125 3518 bool is_egress = flow_attr->flags & IB_FLOW_ATTR_FLAGS_EGRESS;
3b3233fb
RS		 3519 struct mlx5_ib_create_flow *ucmd = NULL, ucmd_hdr;
3520 size_t min_ucmd_sz, required_ucmd_sz;
038d2ef8 3521 int err;
a550ddfc 3522 int underlay_qpn;
038d2ef8 3523
3b3233fb
RS		 3524 if (udata && udata->inlen) {
3525 min_ucmd_sz = offsetof(typeof(ucmd_hdr), reserved) +
3526 sizeof(ucmd_hdr.reserved);
3527 if (udata->inlen < min_ucmd_sz)
3528 return ERR_PTR(-EOPNOTSUPP);
3529
3530 err = ib_copy_from_udata(&ucmd_hdr, udata, min_ucmd_sz);
3531 if (err)
3532 return ERR_PTR(err);
3533
3534 /* currently supports only one counters data */
3535 if (ucmd_hdr.ncounters_data > 1)
3536 return ERR_PTR(-EINVAL);
3537
3538 required_ucmd_sz = min_ucmd_sz +
3539 sizeof(struct mlx5_ib_flow_counters_data) *
3540 ucmd_hdr.ncounters_data;
3541 if (udata->inlen > required_ucmd_sz &&
3542 !ib_is_udata_cleared(udata, required_ucmd_sz,
3543 udata->inlen - required_ucmd_sz))
3544 return ERR_PTR(-EOPNOTSUPP);
3545
3546 ucmd = kzalloc(required_ucmd_sz, GFP_KERNEL);
3547 if (!ucmd)
3548 return ERR_PTR(-ENOMEM);
3549
3550 err = ib_copy_from_udata(ucmd, udata, required_ucmd_sz);
299eafee
GS		 3551 if (err)
3552 goto free_ucmd;
3b3233fb 3553 }
59082a32 3554
299eafee
GS		 3555 if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO) {
3556 err = -ENOMEM;
3557 goto free_ucmd;
3558 }
038d2ef8
MG		 3559
3560 if (domain != IB_FLOW_DOMAIN_USER ||
508562d6 3561 flow_attr->port > dev->num_ports ||
802c2125 3562 (flow_attr->flags & ~(IB_FLOW_ATTR_FLAGS_DONT_TRAP |
299eafee
GS		 3563 IB_FLOW_ATTR_FLAGS_EGRESS))) {
3564 err = -EINVAL;
3565 goto free_ucmd;
3566 }
802c2125
AY		 3567
3568 if (is_egress &&
3569 (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT ||
299eafee
GS		 3570 flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT)) {
3571 err = -EINVAL;
3572 goto free_ucmd;
3573 }
038d2ef8
MG		 3574
3575 dst = kzalloc(sizeof(*dst), GFP_KERNEL);
299eafee
GS		 3576 if (!dst) {
3577 err = -ENOMEM;
3578 goto free_ucmd;
3579 }
038d2ef8 3580
9a4ca38d 3581 mutex_lock(&dev->flow_db->lock);
038d2ef8 3582
802c2125
AY		 3583 ft_prio = get_flow_table(dev, flow_attr,
3584 is_egress ? MLX5_IB_FT_TX : MLX5_IB_FT_RX);
038d2ef8
MG		 3585 if (IS_ERR(ft_prio)) {
3586 err = PTR_ERR(ft_prio);
3587 goto unlock;
3588 }
cc0e5d42
MG		 3589 if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) {
3590 ft_prio_tx = get_flow_table(dev, flow_attr, MLX5_IB_FT_TX);
3591 if (IS_ERR(ft_prio_tx)) {
3592 err = PTR_ERR(ft_prio_tx);
3593 ft_prio_tx = NULL;
3594 goto destroy_ft;
3595 }
3596 }
038d2ef8 3597
802c2125
AY		 3598 if (is_egress) {
3599 dst->type = MLX5_FLOW_DESTINATION_TYPE_PORT;
3600 } else {
3601 dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR;
3602 if (mqp->flags & MLX5_IB_QP_RSS)
3603 dst->tir_num = mqp->rss_qp.tirn;
3604 else
3605 dst->tir_num = mqp->raw_packet_qp.rq.tirn;
3606 }
038d2ef8
MG		 3607
3608 if (flow_attr->type == IB_FLOW_ATTR_NORMAL) {
35d19011
MG		 3609 if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) {
3610 handler = create_dont_trap_rule(dev, ft_prio,
3611 flow_attr, dst);
3612 } else {
a550ddfc
YH		 3613 underlay_qpn = (mqp->flags & MLX5_IB_QP_UNDERLAY) ?
3614 mqp->underlay_qpn : 0;
3615 handler = _create_flow_rule(dev, ft_prio, flow_attr,
3b3233fb 3616 dst, underlay_qpn, ucmd);
35d19011 3617 }
038d2ef8
MG		 3618 } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT ||
3619 flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) {
3620 handler = create_leftovers_rule(dev, ft_prio, flow_attr,
3621 dst);
cc0e5d42
MG		 3622 } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) {
3623 handler = create_sniffer_rule(dev, ft_prio, ft_prio_tx, dst);
038d2ef8
MG		 3624 } else {
3625 err = -EINVAL;
3626 goto destroy_ft;
3627 }
3628
3629 if (IS_ERR(handler)) {
3630 err = PTR_ERR(handler);
3631 handler = NULL;
3632 goto destroy_ft;
3633 }
3634
9a4ca38d 3635 mutex_unlock(&dev->flow_db->lock);
038d2ef8 3636 kfree(dst);
3b3233fb 3637 kfree(ucmd);
038d2ef8
MG		 3638
3639 return &handler->ibflow;
3640
3641destroy_ft:
3642 put_flow_table(dev, ft_prio, false);
cc0e5d42
MG		 3643 if (ft_prio_tx)
3644 put_flow_table(dev, ft_prio_tx, false);
038d2ef8 3645unlock:
9a4ca38d 3646 mutex_unlock(&dev->flow_db->lock);
038d2ef8 3647 kfree(dst);
299eafee 3648free_ucmd:
3b3233fb 3649 kfree(ucmd);
038d2ef8
MG		 3650 return ERR_PTR(err);
3651}
3652
b47fd4ff
MB		 3653static struct mlx5_ib_flow_prio *
3654_get_flow_table(struct mlx5_ib_dev *dev,
3655 struct mlx5_ib_flow_matcher *fs_matcher,
3656 bool mcast)
d4be3f44 3657{
d4be3f44
YH		 3658 struct mlx5_flow_namespace *ns = NULL;
3659 struct mlx5_ib_flow_prio *prio;
b47fd4ff
MB		 3660 int max_table_size;
3661 u32 flags = 0;
3662 int priority;
3663
3664 if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_BYPASS) {
3665 max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
3666 log_max_ft_size));
3667 if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, decap))
3668 flags |= MLX5_FLOW_TABLE_TUNNEL_EN_DECAP;
3669 if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
3670 reformat_l3_tunnel_to_l2))
3671 flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
3672 } else { /* Can only be MLX5_FLOW_NAMESPACE_EGRESS */
3673 max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev,
3674 log_max_ft_size));
3675 if (MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, reformat))
3676 flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
3677 }
d4be3f44 3678
d4be3f44
YH		 3679 if (max_table_size < MLX5_FS_MAX_ENTRIES)
3680 return ERR_PTR(-ENOMEM);
3681
3682 if (mcast)
3683 priority = MLX5_IB_FLOW_MCAST_PRIO;
3684 else
b47fd4ff 3685 priority = ib_prio_to_core_prio(fs_matcher->priority, false);
d4be3f44 3686
b47fd4ff 3687 ns = mlx5_get_flow_namespace(dev->mdev, fs_matcher->ns_type);
d4be3f44
YH		 3688 if (!ns)
3689 return ERR_PTR(-ENOTSUPP);
3690
b47fd4ff
MB		 3691 if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_BYPASS)
3692 prio = &dev->flow_db->prios[priority];
3693 else
3694 prio = &dev->flow_db->egress_prios[priority];
d4be3f44
YH		 3695
3696 if (prio->flow_table)
3697 return prio;
3698
3699 return _get_prio(ns, prio, priority, MLX5_FS_MAX_ENTRIES,
b47fd4ff 3700 MLX5_FS_MAX_TYPES, flags);
d4be3f44
YH		 3701}
3702
3703static struct mlx5_ib_flow_handler *
3704_create_raw_flow_rule(struct mlx5_ib_dev *dev,
3705 struct mlx5_ib_flow_prio *ft_prio,
3706 struct mlx5_flow_destination *dst,
3707 struct mlx5_ib_flow_matcher *fs_matcher,
b823dd6d 3708 struct mlx5_flow_act *flow_act,
d4be3f44
YH		 3709 void *cmd_in, int inlen)
3710{
3711 struct mlx5_ib_flow_handler *handler;
d4be3f44
YH		 3712 struct mlx5_flow_spec *spec;
3713 struct mlx5_flow_table *ft = ft_prio->flow_table;
3714 int err = 0;
3715
3716 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
3717 handler = kzalloc(sizeof(*handler), GFP_KERNEL);
3718 if (!handler || !spec) {
3719 err = -ENOMEM;
3720 goto free;
3721 }
3722
3723 INIT_LIST_HEAD(&handler->list);
3724
3725 memcpy(spec->match_value, cmd_in, inlen);
3726 memcpy(spec->match_criteria, fs_matcher->matcher_mask.match_params,
3727 fs_matcher->mask_len);
3728 spec->match_criteria_enable = fs_matcher->match_criteria_enable;
3729
d4be3f44 3730 handler->rule = mlx5_add_flow_rules(ft, spec,
b823dd6d 3731 flow_act, dst, 1);
d4be3f44
YH		 3732
3733 if (IS_ERR(handler->rule)) {
3734 err = PTR_ERR(handler->rule);
3735 goto free;
3736 }
3737
3738 ft_prio->refcount++;
3739 handler->prio = ft_prio;
3740 handler->dev = dev;
3741 ft_prio->flow_table = ft;
3742
3743free:
3744 if (err)
3745 kfree(handler);
3746 kvfree(spec);
3747 return err ? ERR_PTR(err) : handler;
3748}
3749
3750static bool raw_fs_is_multicast(struct mlx5_ib_flow_matcher *fs_matcher,
3751 void *match_v)
3752{
3753 void *match_c;
3754 void *match_v_set_lyr_2_4, *match_c_set_lyr_2_4;
3755 void *dmac, *dmac_mask;
3756 void *ipv4, *ipv4_mask;
3757
3758 if (!(fs_matcher->match_criteria_enable &
3759 (1 << MATCH_CRITERIA_ENABLE_OUTER_BIT)))
3760 return false;
3761
3762 match_c = fs_matcher->matcher_mask.match_params;
3763 match_v_set_lyr_2_4 = MLX5_ADDR_OF(fte_match_param, match_v,
3764 outer_headers);
3765 match_c_set_lyr_2_4 = MLX5_ADDR_OF(fte_match_param, match_c,
3766 outer_headers);
3767
3768 dmac = MLX5_ADDR_OF(fte_match_set_lyr_2_4, match_v_set_lyr_2_4,
3769 dmac_47_16);
3770 dmac_mask = MLX5_ADDR_OF(fte_match_set_lyr_2_4, match_c_set_lyr_2_4,
3771 dmac_47_16);
3772
3773 if (is_multicast_ether_addr(dmac) &&
3774 is_multicast_ether_addr(dmac_mask))
3775 return true;
3776
3777 ipv4 = MLX5_ADDR_OF(fte_match_set_lyr_2_4, match_v_set_lyr_2_4,
3778 dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
3779
3780 ipv4_mask = MLX5_ADDR_OF(fte_match_set_lyr_2_4, match_c_set_lyr_2_4,
3781 dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
3782
3783 if (ipv4_is_multicast(*(__be32 *)(ipv4)) &&
3784 ipv4_is_multicast(*(__be32 *)(ipv4_mask)))
3785 return true;
3786
3787 return false;
3788}
3789
32269441
YH		 3790struct mlx5_ib_flow_handler *
3791mlx5_ib_raw_fs_rule_add(struct mlx5_ib_dev *dev,
3792 struct mlx5_ib_flow_matcher *fs_matcher,
b823dd6d 3793 struct mlx5_flow_act *flow_act,
32269441
YH		 3794 void *cmd_in, int inlen, int dest_id,
3795 int dest_type)
3796{
d4be3f44
YH		 3797 struct mlx5_flow_destination *dst;
3798 struct mlx5_ib_flow_prio *ft_prio;
d4be3f44
YH		 3799 struct mlx5_ib_flow_handler *handler;
3800 bool mcast;
3801 int err;
3802
3803 if (fs_matcher->flow_type != MLX5_IB_FLOW_TYPE_NORMAL)
3804 return ERR_PTR(-EOPNOTSUPP);
3805
3806 if (fs_matcher->priority > MLX5_IB_FLOW_LAST_PRIO)
3807 return ERR_PTR(-ENOMEM);
3808
d4be3f44
YH		 3809 dst = kzalloc(sizeof(*dst), GFP_KERNEL);
3810 if (!dst)
3811 return ERR_PTR(-ENOMEM);
3812
3813 mcast = raw_fs_is_multicast(fs_matcher, cmd_in);
3814 mutex_lock(&dev->flow_db->lock);
3815
b47fd4ff 3816 ft_prio = _get_flow_table(dev, fs_matcher, mcast);
d4be3f44
YH		 3817 if (IS_ERR(ft_prio)) {
3818 err = PTR_ERR(ft_prio);
3819 goto unlock;
3820 }
3821
6346f0bf
YH		 3822 if (dest_type == MLX5_FLOW_DESTINATION_TYPE_TIR) {
3823 dst->type = dest_type;
3824 dst->tir_num = dest_id;
b823dd6d 3825 flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
a7ee18bd 3826 } else if (dest_type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE) {
6346f0bf
YH		 3827 dst->type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM;
3828 dst->ft_num = dest_id;
b823dd6d 3829 flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
a7ee18bd
MB		 3830 } else {
3831 dst->type = MLX5_FLOW_DESTINATION_TYPE_PORT;
3832 flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_ALLOW;
6346f0bf
YH		 3833 }
3834
b823dd6d
MB		 3835 handler = _create_raw_flow_rule(dev, ft_prio, dst, fs_matcher, flow_act,
3836 cmd_in, inlen);
d4be3f44
YH		 3837
3838 if (IS_ERR(handler)) {
3839 err = PTR_ERR(handler);
3840 goto destroy_ft;
3841 }
3842
3843 mutex_unlock(&dev->flow_db->lock);
3844 atomic_inc(&fs_matcher->usecnt);
3845 handler->flow_matcher = fs_matcher;
3846
3847 kfree(dst);
3848
3849 return handler;
3850
3851destroy_ft:
3852 put_flow_table(dev, ft_prio, false);
3853unlock:
3854 mutex_unlock(&dev->flow_db->lock);
3855 kfree(dst);
3856
3857 return ERR_PTR(err);
32269441
YH		 3858}
3859
c6475a0b
AY		 3860static u32 mlx5_ib_flow_action_flags_to_accel_xfrm_flags(u32 mlx5_flags)
3861{
3862 u32 flags = 0;
3863
3864 if (mlx5_flags & MLX5_IB_UAPI_FLOW_ACTION_FLAGS_REQUIRE_METADATA)
3865 flags |= MLX5_ACCEL_XFRM_FLAG_REQUIRE_METADATA;
3866
3867 return flags;
3868}
3869
3870#define MLX5_FLOW_ACTION_ESP_CREATE_LAST_SUPPORTED MLX5_IB_UAPI_FLOW_ACTION_FLAGS_REQUIRE_METADATA
3871static struct ib_flow_action *
3872mlx5_ib_create_flow_action_esp(struct ib_device *device,
3873 const struct ib_flow_action_attrs_esp *attr,
3874 struct uverbs_attr_bundle *attrs)
3875{
3876 struct mlx5_ib_dev *mdev = to_mdev(device);
3877 struct ib_uverbs_flow_action_esp_keymat_aes_gcm *aes_gcm;
3878 struct mlx5_accel_esp_xfrm_attrs accel_attrs = {};
3879 struct mlx5_ib_flow_action *action;
3880 u64 action_flags;
3881 u64 flags;
3882 int err = 0;
3883
bccd0622
JG		 3884 err = uverbs_get_flags64(
3885 &action_flags, attrs, MLX5_IB_ATTR_CREATE_FLOW_ACTION_FLAGS,
3886 ((MLX5_FLOW_ACTION_ESP_CREATE_LAST_SUPPORTED << 1) - 1));
3887 if (err)
3888 return ERR_PTR(err);
c6475a0b
AY		 3889
3890 flags = mlx5_ib_flow_action_flags_to_accel_xfrm_flags(action_flags);
3891
3892 /* We current only support a subset of the standard features. Only a
3893 * keymat of type AES_GCM, with icv_len == 16, iv_algo == SEQ and esn
3894 * (with overlap). Full offload mode isn't supported.
3895 */
3896 if (!attr->keymat || attr->replay || attr->encap ||
3897 attr->spi || attr->seq || attr->tfc_pad ||
3898 attr->hard_limit_pkts ||
3899 (attr->flags & ~(IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED |
3900 IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ENCRYPT)))
3901 return ERR_PTR(-EOPNOTSUPP);
3902
3903 if (attr->keymat->protocol !=
3904 IB_UVERBS_FLOW_ACTION_ESP_KEYMAT_AES_GCM)
3905 return ERR_PTR(-EOPNOTSUPP);
3906
3907 aes_gcm = &attr->keymat->keymat.aes_gcm;
3908
3909 if (aes_gcm->icv_len != 16 ||
3910 aes_gcm->iv_algo != IB_UVERBS_FLOW_ACTION_IV_ALGO_SEQ)
3911 return ERR_PTR(-EOPNOTSUPP);
3912
3913 action = kmalloc(sizeof(*action), GFP_KERNEL);
3914 if (!action)
3915 return ERR_PTR(-ENOMEM);
3916
3917 action->esp_aes_gcm.ib_flags = attr->flags;
3918 memcpy(&accel_attrs.keymat.aes_gcm.aes_key, &aes_gcm->aes_key,
3919 sizeof(accel_attrs.keymat.aes_gcm.aes_key));
3920 accel_attrs.keymat.aes_gcm.key_len = aes_gcm->key_len * 8;
3921 memcpy(&accel_attrs.keymat.aes_gcm.salt, &aes_gcm->salt,
3922 sizeof(accel_attrs.keymat.aes_gcm.salt));
3923 memcpy(&accel_attrs.keymat.aes_gcm.seq_iv, &aes_gcm->iv,
3924 sizeof(accel_attrs.keymat.aes_gcm.seq_iv));
3925 accel_attrs.keymat.aes_gcm.icv_len = aes_gcm->icv_len * 8;
3926 accel_attrs.keymat.aes_gcm.iv_algo = MLX5_ACCEL_ESP_AES_GCM_IV_ALGO_SEQ;
3927 accel_attrs.keymat_type = MLX5_ACCEL_ESP_KEYMAT_AES_GCM;
3928
3929 accel_attrs.esn = attr->esn;
3930 if (attr->flags & IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED)
3931 accel_attrs.flags |= MLX5_ACCEL_ESP_FLAGS_ESN_TRIGGERED;
3932 if (attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW)
3933 accel_attrs.flags |= MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP;
3934
3935 if (attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ENCRYPT)
3936 accel_attrs.action |= MLX5_ACCEL_ESP_ACTION_ENCRYPT;
3937
3938 action->esp_aes_gcm.ctx =
3939 mlx5_accel_esp_create_xfrm(mdev->mdev, &accel_attrs, flags);
3940 if (IS_ERR(action->esp_aes_gcm.ctx)) {
3941 err = PTR_ERR(action->esp_aes_gcm.ctx);
3942 goto err_parse;
3943 }
3944
3945 action->esp_aes_gcm.ib_flags = attr->flags;
3946
3947 return &action->ib_action;
3948
3949err_parse:
3950 kfree(action);
3951 return ERR_PTR(err);
3952}
3953
349705c1
MB		 3954static int
3955mlx5_ib_modify_flow_action_esp(struct ib_flow_action *action,
3956 const struct ib_flow_action_attrs_esp *attr,
3957 struct uverbs_attr_bundle *attrs)
3958{
3959 struct mlx5_ib_flow_action *maction = to_mflow_act(action);
3960 struct mlx5_accel_esp_xfrm_attrs accel_attrs;
3961 int err = 0;
3962
3963 if (attr->keymat || attr->replay || attr->encap ||
3964 attr->spi || attr->seq || attr->tfc_pad ||
3965 attr->hard_limit_pkts ||
3966 (attr->flags & ~(IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED |
3967 IB_FLOW_ACTION_ESP_FLAGS_MOD_ESP_ATTRS |
3968 IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW)))
3969 return -EOPNOTSUPP;
3970
3971 /* Only the ESN value or the MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP can
3972 * be modified.
3973 */
3974 if (!(maction->esp_aes_gcm.ib_flags &
3975 IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED) &&
3976 attr->flags & (IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED |
3977 IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW))
3978 return -EINVAL;
3979
3980 memcpy(&accel_attrs, &maction->esp_aes_gcm.ctx->attrs,
3981 sizeof(accel_attrs));
3982
3983 accel_attrs.esn = attr->esn;
3984 if (attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW)
3985 accel_attrs.flags |= MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP;
3986 else
3987 accel_attrs.flags &= ~MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP;
3988
3989 err = mlx5_accel_esp_modify_xfrm(maction->esp_aes_gcm.ctx,
3990 &accel_attrs);
3991 if (err)
3992 return err;
3993
3994 maction->esp_aes_gcm.ib_flags &=
3995 ~IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW;
3996 maction->esp_aes_gcm.ib_flags |=
3997 attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW;
3998
3999 return 0;
4000}
4001
c6475a0b
AY		 4002static int mlx5_ib_destroy_flow_action(struct ib_flow_action *action)
4003{
4004 struct mlx5_ib_flow_action *maction = to_mflow_act(action);
4005
4006 switch (action->type) {
4007 case IB_FLOW_ACTION_ESP:
4008 /*
4009 * We only support aes_gcm by now, so we implicitly know this is
4010 * the underline crypto.
4011 */
4012 mlx5_accel_esp_destroy_xfrm(maction->esp_aes_gcm.ctx);
4013 break;
b4749bf2
MB		 4014 case IB_FLOW_ACTION_UNSPECIFIED:
4015 mlx5_ib_destroy_flow_action_raw(maction);
4016 break;
c6475a0b
AY		 4017 default:
4018 WARN_ON(true);
4019 break;
4020 }
4021
4022 kfree(maction);
4023 return 0;
4024}
4025
e126ba97
EC		 4026static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
4027{
4028 struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
81e30880 4029 struct mlx5_ib_qp *mqp = to_mqp(ibqp);
e126ba97 4030 int err;
539ec982
YH		 4031 u16 uid;
4032
4033 uid = ibqp->pd ?
4034 to_mpd(ibqp->pd)->uid : 0;
e126ba97 4035
81e30880
YH		 4036 if (mqp->flags & MLX5_IB_QP_UNDERLAY) {
4037 mlx5_ib_dbg(dev, "Attaching a multi cast group to underlay QP is not supported\n");
4038 return -EOPNOTSUPP;
4039 }
4040
539ec982 4041 err = mlx5_cmd_attach_mcg(dev->mdev, gid, ibqp->qp_num, uid);
e126ba97
EC		 4042 if (err)
4043 mlx5_ib_warn(dev, "failed attaching QPN 0x%x, MGID %pI6\n",
4044 ibqp->qp_num, gid->raw);
4045
4046 return err;
4047}
4048
4049static int mlx5_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
4050{
4051 struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
4052 int err;
539ec982 4053 u16 uid;
e126ba97 4054
539ec982
YH		 4055 uid = ibqp->pd ?
4056 to_mpd(ibqp->pd)->uid : 0;
4057 err = mlx5_cmd_detach_mcg(dev->mdev, gid, ibqp->qp_num, uid);
e126ba97
EC		 4058 if (err)
4059 mlx5_ib_warn(dev, "failed detaching QPN 0x%x, MGID %pI6\n",
4060 ibqp->qp_num, gid->raw);
4061
4062 return err;
4063}
4064
4065static int init_node_data(struct mlx5_ib_dev *dev)
4066{
1b5daf11 4067 int err;
e126ba97 4068
1b5daf11 4069 err = mlx5_query_node_desc(dev, dev->ib_dev.node_desc);
e126ba97 4070 if (err)
1b5daf11 4071 return err;
e126ba97 4072
1b5daf11 4073 dev->mdev->rev_id = dev->mdev->pdev->revision;
e126ba97 4074
1b5daf11 4075 return mlx5_query_node_guid(dev, &dev->ib_dev.node_guid);
e126ba97
EC		 4076}
4077
508a523f
PP		 4078static ssize_t fw_pages_show(struct device *device,
4079 struct device_attribute *attr, char *buf)
e126ba97
EC		 4080{
4081 struct mlx5_ib_dev *dev =
4082 container_of(device, struct mlx5_ib_dev, ib_dev.dev);
4083
9603b61d 4084 return sprintf(buf, "%d\n", dev->mdev->priv.fw_pages);
e126ba97 4085}
508a523f 4086static DEVICE_ATTR_RO(fw_pages);
e126ba97 4087
508a523f 4088static ssize_t reg_pages_show(struct device *device,
e126ba97
EC		 4089 struct device_attribute *attr, char *buf)
4090{
4091 struct mlx5_ib_dev *dev =
4092 container_of(device, struct mlx5_ib_dev, ib_dev.dev);
4093
6aec21f6 4094 return sprintf(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages));
e126ba97 4095}
508a523f 4096static DEVICE_ATTR_RO(reg_pages);
e126ba97 4097
508a523f
PP		 4098static ssize_t hca_type_show(struct device *device,
4099 struct device_attribute *attr, char *buf)
e126ba97
EC		 4100{
4101 struct mlx5_ib_dev *dev =
4102 container_of(device, struct mlx5_ib_dev, ib_dev.dev);
9603b61d 4103 return sprintf(buf, "MT%d\n", dev->mdev->pdev->device);
e126ba97 4104}
508a523f 4105static DEVICE_ATTR_RO(hca_type);
e126ba97 4106
508a523f
PP		 4107static ssize_t hw_rev_show(struct device *device,
4108 struct device_attribute *attr, char *buf)
e126ba97
EC		 4109{
4110 struct mlx5_ib_dev *dev =
4111 container_of(device, struct mlx5_ib_dev, ib_dev.dev);
9603b61d 4112 return sprintf(buf, "%x\n", dev->mdev->rev_id);
e126ba97 4113}
508a523f 4114static DEVICE_ATTR_RO(hw_rev);
e126ba97 4115
508a523f
PP		 4116static ssize_t board_id_show(struct device *device,
4117 struct device_attribute *attr, char *buf)
e126ba97
EC		 4118{
4119 struct mlx5_ib_dev *dev =
4120 container_of(device, struct mlx5_ib_dev, ib_dev.dev);
4121 return sprintf(buf, "%.*s\n", MLX5_BOARD_ID_LEN,
9603b61d 4122 dev->mdev->board_id);
e126ba97 4123}
508a523f 4124static DEVICE_ATTR_RO(board_id);
e126ba97 4125
508a523f
PP		 4126static struct attribute *mlx5_class_attributes[] = {
4127 &dev_attr_hw_rev.attr,
4128 &dev_attr_hca_type.attr,
4129 &dev_attr_board_id.attr,
4130 &dev_attr_fw_pages.attr,
4131 &dev_attr_reg_pages.attr,
4132 NULL,
4133};
e126ba97 4134
508a523f
PP		 4135static const struct attribute_group mlx5_attr_group = {
4136 .attrs = mlx5_class_attributes,
e126ba97
EC		 4137};
4138
7722f47e
HE		 4139static void pkey_change_handler(struct work_struct *work)
4140{
4141 struct mlx5_ib_port_resources *ports =
4142 container_of(work, struct mlx5_ib_port_resources,
4143 pkey_change_work);
4144
4145 mutex_lock(&ports->devr->mutex);
4146 mlx5_ib_gsi_pkey_change(ports->gsi);
4147 mutex_unlock(&ports->devr->mutex);
4148}
4149
89ea94a7
MG		 4150static void mlx5_ib_handle_internal_error(struct mlx5_ib_dev *ibdev)
4151{
4152 struct mlx5_ib_qp *mqp;
4153 struct mlx5_ib_cq *send_mcq, *recv_mcq;
4154 struct mlx5_core_cq *mcq;
4155 struct list_head cq_armed_list;
4156 unsigned long flags_qp;
4157 unsigned long flags_cq;
4158 unsigned long flags;
4159
4160 INIT_LIST_HEAD(&cq_armed_list);
4161
4162 /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/
4163 spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags);
4164 list_for_each_entry(mqp, &ibdev->qp_list, qps_list) {
4165 spin_lock_irqsave(&mqp->sq.lock, flags_qp);
4166 if (mqp->sq.tail != mqp->sq.head) {
4167 send_mcq = to_mcq(mqp->ibqp.send_cq);
4168 spin_lock_irqsave(&send_mcq->lock, flags_cq);
4169 if (send_mcq->mcq.comp &&
4170 mqp->ibqp.send_cq->comp_handler) {
4171 if (!send_mcq->mcq.reset_notify_added) {
4172 send_mcq->mcq.reset_notify_added = 1;
4173 list_add_tail(&send_mcq->mcq.reset_notify,
4174 &cq_armed_list);
4175 }
4176 }
4177 spin_unlock_irqrestore(&send_mcq->lock, flags_cq);
4178 }
4179 spin_unlock_irqrestore(&mqp->sq.lock, flags_qp);
4180 spin_lock_irqsave(&mqp->rq.lock, flags_qp);
4181 /* no handling is needed for SRQ */
4182 if (!mqp->ibqp.srq) {
4183 if (mqp->rq.tail != mqp->rq.head) {
4184 recv_mcq = to_mcq(mqp->ibqp.recv_cq);
4185 spin_lock_irqsave(&recv_mcq->lock, flags_cq);
4186 if (recv_mcq->mcq.comp &&
4187 mqp->ibqp.recv_cq->comp_handler) {
4188 if (!recv_mcq->mcq.reset_notify_added) {
4189 recv_mcq->mcq.reset_notify_added = 1;
4190 list_add_tail(&recv_mcq->mcq.reset_notify,
4191 &cq_armed_list);
4192 }
4193 }
4194 spin_unlock_irqrestore(&recv_mcq->lock,
4195 flags_cq);
4196 }
4197 }
4198 spin_unlock_irqrestore(&mqp->rq.lock, flags_qp);
4199 }
4200 /*At that point all inflight post send were put to be executed as of we
4201 * lock/unlock above locks Now need to arm all involved CQs.
4202 */
4203 list_for_each_entry(mcq, &cq_armed_list, reset_notify) {
4204 mcq->comp(mcq);
4205 }
4206 spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags);
4207}
4208
03404e8a
MG		 4209static void delay_drop_handler(struct work_struct *work)
4210{
4211 int err;
4212 struct mlx5_ib_delay_drop *delay_drop =
4213 container_of(work, struct mlx5_ib_delay_drop,
4214 delay_drop_work);
4215
fe248c3a
MG		 4216 atomic_inc(&delay_drop->events_cnt);
4217
03404e8a
MG		 4218 mutex_lock(&delay_drop->lock);
4219 err = mlx5_core_set_delay_drop(delay_drop->dev->mdev,
4220 delay_drop->timeout);
4221 if (err) {
4222 mlx5_ib_warn(delay_drop->dev, "Failed to set delay drop, timeout=%u\n",
4223 delay_drop->timeout);
4224 delay_drop->activate = false;
4225 }
4226 mutex_unlock(&delay_drop->lock);
4227}
4228
d69a24e0 4229static void mlx5_ib_handle_event(struct work_struct *_work)
e126ba97 4230{
d69a24e0
DJ		 4231 struct mlx5_ib_event_work *work =
4232 container_of(_work, struct mlx5_ib_event_work, work);
4233 struct mlx5_ib_dev *ibdev;
e126ba97 4234 struct ib_event ibev;
dbaaff2a 4235 bool fatal = false;
aba46213 4236 u8 port = (u8)work->param;
e126ba97 4237
d69a24e0
DJ		 4238 if (mlx5_core_is_mp_slave(work->dev)) {
4239 ibdev = mlx5_ib_get_ibdev_from_mpi(work->context);
4240 if (!ibdev)
4241 goto out;
4242 } else {
4243 ibdev = work->context;
4244 }
4245
4246 switch (work->event) {
e126ba97 4247 case MLX5_DEV_EVENT_SYS_ERROR:
e126ba97 4248 ibev.event = IB_EVENT_DEVICE_FATAL;
89ea94a7 4249 mlx5_ib_handle_internal_error(ibdev);
dbaaff2a 4250 fatal = true;
e126ba97
EC		 4251 break;
4252
4253 case MLX5_DEV_EVENT_PORT_UP:
e126ba97 4254 case MLX5_DEV_EVENT_PORT_DOWN:
2788cf3b 4255 case MLX5_DEV_EVENT_PORT_INITIALIZED:
5ec8c83e
AH		 4256 /* In RoCE, port up/down events are handled in
4257 * mlx5_netdev_event().
4258 */
4259 if (mlx5_ib_port_link_layer(&ibdev->ib_dev, port) ==
4260 IB_LINK_LAYER_ETHERNET)
d69a24e0 4261 goto out;
5ec8c83e 4262
d69a24e0 4263 ibev.event = (work->event == MLX5_DEV_EVENT_PORT_UP) ?
5ec8c83e 4264 IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR;
e126ba97
EC		 4265 break;
4266
e126ba97
EC		 4267 case MLX5_DEV_EVENT_LID_CHANGE:
4268 ibev.event = IB_EVENT_LID_CHANGE;
e126ba97
EC		 4269 break;
4270
4271 case MLX5_DEV_EVENT_PKEY_CHANGE:
4272 ibev.event = IB_EVENT_PKEY_CHANGE;
7722f47e 4273 schedule_work(&ibdev->devr.ports[port - 1].pkey_change_work);
e126ba97
EC		 4274 break;
4275
4276 case MLX5_DEV_EVENT_GUID_CHANGE:
4277 ibev.event = IB_EVENT_GID_CHANGE;
e126ba97
EC		 4278 break;
4279
4280 case MLX5_DEV_EVENT_CLIENT_REREG:
4281 ibev.event = IB_EVENT_CLIENT_REREGISTER;
e126ba97 4282 break;
03404e8a
MG		 4283 case MLX5_DEV_EVENT_DELAY_DROP_TIMEOUT:
4284 schedule_work(&ibdev->delay_drop.delay_drop_work);
4285 goto out;
bdc37924 4286 default:
03404e8a 4287 goto out;
e126ba97
EC		 4288 }
4289
4290 ibev.device = &ibdev->ib_dev;
4291 ibev.element.port_num = port;
4292
aba46213 4293 if (!rdma_is_port_valid(&ibdev->ib_dev, port)) {
a0c84c32 4294 mlx5_ib_warn(ibdev, "warning: event on port %d\n", port);
03404e8a 4295 goto out;
a0c84c32
EC		 4296 }
4297
e126ba97
EC		 4298 if (ibdev->ib_active)
4299 ib_dispatch_event(&ibev);
dbaaff2a
EC		 4300
4301 if (fatal)
4302 ibdev->ib_active = false;
03404e8a 4303out:
d69a24e0
DJ		 4304 kfree(work);
4305}
4306
4307static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context,
4308 enum mlx5_dev_event event, unsigned long param)
4309{
4310 struct mlx5_ib_event_work *work;
4311
4312 work = kmalloc(sizeof(*work), GFP_ATOMIC);
10bea9c8 4313 if (!work)
d69a24e0 4314 return;
d69a24e0 4315
10bea9c8
LR		 4316 INIT_WORK(&work->work, mlx5_ib_handle_event);
4317 work->dev = dev;
4318 work->param = param;
4319 work->context = context;
4320 work->event = event;
4321
4322 queue_work(mlx5_ib_event_wq, &work->work);
e126ba97
EC		 4323}
4324
c43f1112
MG		 4325static int set_has_smi_cap(struct mlx5_ib_dev *dev)
4326{
4327 struct mlx5_hca_vport_context vport_ctx;
4328 int err;
4329 int port;
4330
508562d6 4331 for (port = 1; port <= dev->num_ports; port++) {
c43f1112
MG		 4332 dev->mdev->port_caps[port - 1].has_smi = false;
4333 if (MLX5_CAP_GEN(dev->mdev, port_type) ==
4334 MLX5_CAP_PORT_TYPE_IB) {
4335 if (MLX5_CAP_GEN(dev->mdev, ib_virt)) {
4336 err = mlx5_query_hca_vport_context(dev->mdev, 0,
4337 port, 0,
4338 &vport_ctx);
4339 if (err) {
4340 mlx5_ib_err(dev, "query_hca_vport_context for port=%d failed %d\n",
4341 port, err);
4342 return err;
4343 }
4344 dev->mdev->port_caps[port - 1].has_smi =
4345 vport_ctx.has_smi;
4346 } else {
4347 dev->mdev->port_caps[port - 1].has_smi = true;
4348 }
4349 }
4350 }
4351 return 0;
4352}
4353
e126ba97
EC		 4354static void get_ext_port_caps(struct mlx5_ib_dev *dev)
4355{
4356 int port;
4357
508562d6 4358 for (port = 1; port <= dev->num_ports; port++)
e126ba97
EC		 4359 mlx5_query_ext_port_caps(dev, port);
4360}
4361
32f69e4b 4362static int get_port_caps(struct mlx5_ib_dev *dev, u8 port)
e126ba97
EC		 4363{
4364 struct ib_device_attr *dprops = NULL;
4365 struct ib_port_attr *pprops = NULL;
f614fc15 4366 int err = -ENOMEM;
2528e33e 4367 struct ib_udata uhw = {.inlen = 0, .outlen = 0};
e126ba97
EC		 4368
4369 pprops = kmalloc(sizeof(*pprops), GFP_KERNEL);
4370 if (!pprops)
4371 goto out;
4372
4373 dprops = kmalloc(sizeof(*dprops), GFP_KERNEL);
4374 if (!dprops)
4375 goto out;
4376
c43f1112
MG		 4377 err = set_has_smi_cap(dev);
4378 if (err)
4379 goto out;
4380
2528e33e 4381 err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw);
e126ba97
EC		 4382 if (err) {
4383 mlx5_ib_warn(dev, "query_device failed %d\n", err);
4384 goto out;
4385 }
4386
32f69e4b
DJ		 4387 memset(pprops, 0, sizeof(*pprops));
4388 err = mlx5_ib_query_port(&dev->ib_dev, port, pprops);
4389 if (err) {
4390 mlx5_ib_warn(dev, "query_port %d failed %d\n",
4391 port, err);
4392 goto out;
e126ba97
EC		 4393 }
4394
32f69e4b
DJ		 4395 dev->mdev->port_caps[port - 1].pkey_table_len =
4396 dprops->max_pkeys;
4397 dev->mdev->port_caps[port - 1].gid_table_len =
4398 pprops->gid_tbl_len;
4399 mlx5_ib_dbg(dev, "port %d: pkey_table_len %d, gid_table_len %d\n",
4400 port, dprops->max_pkeys, pprops->gid_tbl_len);
4401
e126ba97
EC		 4402out:
4403 kfree(pprops);
4404 kfree(dprops);
4405
4406 return err;
4407}
4408
4409static void destroy_umrc_res(struct mlx5_ib_dev *dev)
4410{
4411 int err;
4412
4413 err = mlx5_mr_cache_cleanup(dev);
4414 if (err)
4415 mlx5_ib_warn(dev, "mr cache cleanup failed\n");
4416
32927e28
MB		 4417 if (dev->umrc.qp)
4418 mlx5_ib_destroy_qp(dev->umrc.qp);
4419 if (dev->umrc.cq)
4420 ib_free_cq(dev->umrc.cq);
4421 if (dev->umrc.pd)
4422 ib_dealloc_pd(dev->umrc.pd);
e126ba97
EC		 4423}
4424
4425enum {
4426 MAX_UMR_WR = 128,
4427};
4428
4429static int create_umr_res(struct mlx5_ib_dev *dev)
4430{
4431 struct ib_qp_init_attr *init_attr = NULL;
4432 struct ib_qp_attr *attr = NULL;
4433 struct ib_pd *pd;
4434 struct ib_cq *cq;
4435 struct ib_qp *qp;
e126ba97
EC		 4436 int ret;
4437
4438 attr = kzalloc(sizeof(*attr), GFP_KERNEL);
4439 init_attr = kzalloc(sizeof(*init_attr), GFP_KERNEL);
4440 if (!attr || !init_attr) {
4441 ret = -ENOMEM;
4442 goto error_0;
4443 }
4444
ed082d36 4445 pd = ib_alloc_pd(&dev->ib_dev, 0);
e126ba97
EC		 4446 if (IS_ERR(pd)) {
4447 mlx5_ib_dbg(dev, "Couldn't create PD for sync UMR QP\n");
4448 ret = PTR_ERR(pd);
4449 goto error_0;
4450 }
4451
add08d76 4452 cq = ib_alloc_cq(&dev->ib_dev, NULL, 128, 0, IB_POLL_SOFTIRQ);
e126ba97
EC		 4453 if (IS_ERR(cq)) {
4454 mlx5_ib_dbg(dev, "Couldn't create CQ for sync UMR QP\n");
4455 ret = PTR_ERR(cq);
4456 goto error_2;
4457 }
e126ba97
EC		 4458
4459 init_attr->send_cq = cq;
4460 init_attr->recv_cq = cq;
4461 init_attr->sq_sig_type = IB_SIGNAL_ALL_WR;
4462 init_attr->cap.max_send_wr = MAX_UMR_WR;
4463 init_attr->cap.max_send_sge = 1;
4464 init_attr->qp_type = MLX5_IB_QPT_REG_UMR;
4465 init_attr->port_num = 1;
4466 qp = mlx5_ib_create_qp(pd, init_attr, NULL);
4467 if (IS_ERR(qp)) {
4468 mlx5_ib_dbg(dev, "Couldn't create sync UMR QP\n");
4469 ret = PTR_ERR(qp);
4470 goto error_3;
4471 }
4472 qp->device = &dev->ib_dev;
4473 qp->real_qp = qp;
4474 qp->uobject = NULL;
4475 qp->qp_type = MLX5_IB_QPT_REG_UMR;
31fde034
MD		 4476 qp->send_cq = init_attr->send_cq;
4477 qp->recv_cq = init_attr->recv_cq;
e126ba97
EC		 4478
4479 attr->qp_state = IB_QPS_INIT;
4480 attr->port_num = 1;
4481 ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE | IB_QP_PKEY_INDEX |
4482 IB_QP_PORT, NULL);
4483 if (ret) {
4484 mlx5_ib_dbg(dev, "Couldn't modify UMR QP\n");
4485 goto error_4;
4486 }
4487
4488 memset(attr, 0, sizeof(*attr));
4489 attr->qp_state = IB_QPS_RTR;
4490 attr->path_mtu = IB_MTU_256;
4491
4492 ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL);
4493 if (ret) {
4494 mlx5_ib_dbg(dev, "Couldn't modify umr QP to rtr\n");
4495 goto error_4;
4496 }
4497
4498 memset(attr, 0, sizeof(*attr));
4499 attr->qp_state = IB_QPS_RTS;
4500 ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL);
4501 if (ret) {
4502 mlx5_ib_dbg(dev, "Couldn't modify umr QP to rts\n");
4503 goto error_4;
4504 }
4505
4506 dev->umrc.qp = qp;
4507 dev->umrc.cq = cq;
e126ba97
EC		 4508 dev->umrc.pd = pd;
4509
4510 sema_init(&dev->umrc.sem, MAX_UMR_WR);
4511 ret = mlx5_mr_cache_init(dev);
4512 if (ret) {
4513 mlx5_ib_warn(dev, "mr cache init failed %d\n", ret);
4514 goto error_4;
4515 }
4516
4517 kfree(attr);
4518 kfree(init_attr);
4519
4520 return 0;
4521
4522error_4:
4523 mlx5_ib_destroy_qp(qp);
32927e28 4524 dev->umrc.qp = NULL;
e126ba97
EC		 4525
4526error_3:
add08d76 4527 ib_free_cq(cq);
32927e28 4528 dev->umrc.cq = NULL;
e126ba97
EC		 4529
4530error_2:
e126ba97 4531 ib_dealloc_pd(pd);
32927e28 4532 dev->umrc.pd = NULL;
e126ba97
EC		 4533
4534error_0:
4535 kfree(attr);
4536 kfree(init_attr);
4537 return ret;
4538}
4539
6e8484c5
MG		 4540static u8 mlx5_get_umr_fence(u8 umr_fence_cap)
4541{
4542 switch (umr_fence_cap) {
4543 case MLX5_CAP_UMR_FENCE_NONE:
4544 return MLX5_FENCE_MODE_NONE;
4545 case MLX5_CAP_UMR_FENCE_SMALL:
4546 return MLX5_FENCE_MODE_INITIATOR_SMALL;
4547 default:
4548 return MLX5_FENCE_MODE_STRONG_ORDERING;
4549 }
4550}
4551
e126ba97
EC		 4552static int create_dev_resources(struct mlx5_ib_resources *devr)
4553{
4554 struct ib_srq_init_attr attr;
4555 struct mlx5_ib_dev *dev;
bcf4c1ea 4556 struct ib_cq_init_attr cq_attr = {.cqe = 1};
7722f47e 4557 int port;
e126ba97
EC		 4558 int ret = 0;
4559
4560 dev = container_of(devr, struct mlx5_ib_dev, devr);
4561
d16e91da
HE		 4562 mutex_init(&devr->mutex);
4563
e126ba97
EC		 4564 devr->p0 = mlx5_ib_alloc_pd(&dev->ib_dev, NULL, NULL);
4565 if (IS_ERR(devr->p0)) {
4566 ret = PTR_ERR(devr->p0);
4567 goto error0;
4568 }
4569 devr->p0->device = &dev->ib_dev;
4570 devr->p0->uobject = NULL;
4571 atomic_set(&devr->p0->usecnt, 0);
4572
bcf4c1ea 4573 devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL, NULL);
e126ba97
EC		 4574 if (IS_ERR(devr->c0)) {
4575 ret = PTR_ERR(devr->c0);
4576 goto error1;
4577 }
4578 devr->c0->device = &dev->ib_dev;
4579 devr->c0->uobject = NULL;
4580 devr->c0->comp_handler = NULL;
4581 devr->c0->event_handler = NULL;
4582 devr->c0->cq_context = NULL;
4583 atomic_set(&devr->c0->usecnt, 0);
4584
4585 devr->x0 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL);
4586 if (IS_ERR(devr->x0)) {
4587 ret = PTR_ERR(devr->x0);
4588 goto error2;
4589 }
4590 devr->x0->device = &dev->ib_dev;
4591 devr->x0->inode = NULL;
4592 atomic_set(&devr->x0->usecnt, 0);
4593 mutex_init(&devr->x0->tgt_qp_mutex);
4594 INIT_LIST_HEAD(&devr->x0->tgt_qp_list);
4595
4596 devr->x1 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL);
4597 if (IS_ERR(devr->x1)) {
4598 ret = PTR_ERR(devr->x1);
4599 goto error3;
4600 }
4601 devr->x1->device = &dev->ib_dev;
4602 devr->x1->inode = NULL;
4603 atomic_set(&devr->x1->usecnt, 0);
4604 mutex_init(&devr->x1->tgt_qp_mutex);
4605 INIT_LIST_HEAD(&devr->x1->tgt_qp_list);
4606
4607 memset(&attr, 0, sizeof(attr));
4608 attr.attr.max_sge = 1;
4609 attr.attr.max_wr = 1;
4610 attr.srq_type = IB_SRQT_XRC;
1a56ff6d 4611 attr.ext.cq = devr->c0;
e126ba97
EC		 4612 attr.ext.xrc.xrcd = devr->x0;
4613
4614 devr->s0 = mlx5_ib_create_srq(devr->p0, &attr, NULL);
4615 if (IS_ERR(devr->s0)) {
4616 ret = PTR_ERR(devr->s0);
4617 goto error4;
4618 }
4619 devr->s0->device = &dev->ib_dev;
4620 devr->s0->pd = devr->p0;
4621 devr->s0->uobject = NULL;
4622 devr->s0->event_handler = NULL;
4623 devr->s0->srq_context = NULL;
4624 devr->s0->srq_type = IB_SRQT_XRC;
4625 devr->s0->ext.xrc.xrcd = devr->x0;
1a56ff6d 4626 devr->s0->ext.cq = devr->c0;
e126ba97 4627 atomic_inc(&devr->s0->ext.xrc.xrcd->usecnt);
1a56ff6d 4628 atomic_inc(&devr->s0->ext.cq->usecnt);
e126ba97
EC		 4629 atomic_inc(&devr->p0->usecnt);
4630 atomic_set(&devr->s0->usecnt, 0);
4631
4aa17b28
HA		 4632 memset(&attr, 0, sizeof(attr));
4633 attr.attr.max_sge = 1;
4634 attr.attr.max_wr = 1;
4635 attr.srq_type = IB_SRQT_BASIC;
4636 devr->s1 = mlx5_ib_create_srq(devr->p0, &attr, NULL);
4637 if (IS_ERR(devr->s1)) {
4638 ret = PTR_ERR(devr->s1);
4639 goto error5;
4640 }
4641 devr->s1->device = &dev->ib_dev;
4642 devr->s1->pd = devr->p0;
4643 devr->s1->uobject = NULL;
4644 devr->s1->event_handler = NULL;
4645 devr->s1->srq_context = NULL;
4646 devr->s1->srq_type = IB_SRQT_BASIC;
1a56ff6d 4647 devr->s1->ext.cq = devr->c0;
4aa17b28 4648 atomic_inc(&devr->p0->usecnt);
1a56ff6d 4649 atomic_set(&devr->s1->usecnt, 0);
4aa17b28 4650
7722f47e
HE		 4651 for (port = 0; port < ARRAY_SIZE(devr->ports); ++port) {
4652 INIT_WORK(&devr->ports[port].pkey_change_work,
4653 pkey_change_handler);
4654 devr->ports[port].devr = devr;
4655 }
4656
e126ba97
EC		 4657 return 0;
4658
4aa17b28
HA		 4659error5:
4660 mlx5_ib_destroy_srq(devr->s0);
e126ba97
EC		 4661error4:
4662 mlx5_ib_dealloc_xrcd(devr->x1);
4663error3:
4664 mlx5_ib_dealloc_xrcd(devr->x0);
4665error2:
4666 mlx5_ib_destroy_cq(devr->c0);
4667error1:
4668 mlx5_ib_dealloc_pd(devr->p0);
4669error0:
4670 return ret;
4671}
4672
4673static void destroy_dev_resources(struct mlx5_ib_resources *devr)
4674{
7722f47e
HE		 4675 struct mlx5_ib_dev *dev =
4676 container_of(devr, struct mlx5_ib_dev, devr);
4677 int port;
4678
4aa17b28 4679 mlx5_ib_destroy_srq(devr->s1);
e126ba97
EC		 4680 mlx5_ib_destroy_srq(devr->s0);
4681 mlx5_ib_dealloc_xrcd(devr->x0);
4682 mlx5_ib_dealloc_xrcd(devr->x1);
4683 mlx5_ib_destroy_cq(devr->c0);
4684 mlx5_ib_dealloc_pd(devr->p0);
7722f47e
HE		 4685
4686 /* Make sure no change P_Key work items are still executing */
4687 for (port = 0; port < dev->num_ports; ++port)
4688 cancel_work_sync(&devr->ports[port].pkey_change_work);
e126ba97
EC		 4689}
4690
b02289b3
AK		 4691static u32 get_core_cap_flags(struct ib_device *ibdev,
4692 struct mlx5_hca_vport_context *rep)
e53505a8
AS		 4693{
4694 struct mlx5_ib_dev *dev = to_mdev(ibdev);
4695 enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, 1);
4696 u8 l3_type_cap = MLX5_CAP_ROCE(dev->mdev, l3_type);
4697 u8 roce_version_cap = MLX5_CAP_ROCE(dev->mdev, roce_version);
85c7c014 4698 bool raw_support = !mlx5_core_mp_enabled(dev->mdev);
e53505a8
AS		 4699 u32 ret = 0;
4700
b02289b3
AK		 4701 if (rep->grh_required)
4702 ret |= RDMA_CORE_CAP_IB_GRH_REQUIRED;
4703
e53505a8 4704 if (ll == IB_LINK_LAYER_INFINIBAND)
b02289b3 4705 return ret | RDMA_CORE_PORT_IBA_IB;
e53505a8 4706
85c7c014 4707 if (raw_support)
b02289b3 4708 ret |= RDMA_CORE_PORT_RAW_PACKET;
72cd5717 4709
e53505a8 4710 if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV4_CAP))
72cd5717 4711 return ret;
e53505a8
AS		 4712
4713 if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV6_CAP))
72cd5717 4714 return ret;
e53505a8
AS		 4715
4716 if (roce_version_cap & MLX5_ROCE_VERSION_1_CAP)
4717 ret |= RDMA_CORE_PORT_IBA_ROCE;
4718
4719 if (roce_version_cap & MLX5_ROCE_VERSION_2_CAP)
4720 ret |= RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP;
4721
4722 return ret;
4723}
4724
7738613e
IW		 4725static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num,
4726 struct ib_port_immutable *immutable)
4727{
4728 struct ib_port_attr attr;
ca5b91d6
OG		 4729 struct mlx5_ib_dev *dev = to_mdev(ibdev);
4730 enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, port_num);
b02289b3 4731 struct mlx5_hca_vport_context rep = {0};
7738613e
IW		 4732 int err;
4733
c4550c63 4734 err = ib_query_port(ibdev, port_num, &attr);
7738613e
IW		 4735 if (err)
4736 return err;
4737
b02289b3
AK		 4738 if (ll == IB_LINK_LAYER_INFINIBAND) {
4739 err = mlx5_query_hca_vport_context(dev->mdev, 0, port_num, 0,
4740 &rep);
4741 if (err)
4742 return err;
4743 }
4744
7738613e
IW		 4745 immutable->pkey_tbl_len = attr.pkey_tbl_len;
4746 immutable->gid_tbl_len = attr.gid_tbl_len;
b02289b3 4747 immutable->core_cap_flags = get_core_cap_flags(ibdev, &rep);
ca5b91d6
OG		 4748 if ((ll == IB_LINK_LAYER_INFINIBAND) || MLX5_CAP_GEN(dev->mdev, roce))
4749 immutable->max_mad_size = IB_MGMT_MAD_SIZE;
7738613e
IW		 4750
4751 return 0;
4752}
4753
8e6efa3a
MB		 4754static int mlx5_port_rep_immutable(struct ib_device *ibdev, u8 port_num,
4755 struct ib_port_immutable *immutable)
4756{
4757 struct ib_port_attr attr;
4758 int err;
4759
4760 immutable->core_cap_flags = RDMA_CORE_PORT_RAW_PACKET;
4761
4762 err = ib_query_port(ibdev, port_num, &attr);
4763 if (err)
4764 return err;
4765
4766 immutable->pkey_tbl_len = attr.pkey_tbl_len;
4767 immutable->gid_tbl_len = attr.gid_tbl_len;
4768 immutable->core_cap_flags = RDMA_CORE_PORT_RAW_PACKET;
4769
4770 return 0;
4771}
4772
9abb0d1b 4773static void get_dev_fw_str(struct ib_device *ibdev, char *str)
c7342823
IW		 4774{
4775 struct mlx5_ib_dev *dev =
4776 container_of(ibdev, struct mlx5_ib_dev, ib_dev);
9abb0d1b
LR		 4777 snprintf(str, IB_FW_VERSION_NAME_MAX, "%d.%d.%04d",
4778 fw_rev_maj(dev->mdev), fw_rev_min(dev->mdev),
4779 fw_rev_sub(dev->mdev));
c7342823
IW		 4780}
4781
45f95acd 4782static int mlx5_eth_lag_init(struct mlx5_ib_dev *dev)
9ef9c640
AH		 4783{
4784 struct mlx5_core_dev *mdev = dev->mdev;
4785 struct mlx5_flow_namespace *ns = mlx5_get_flow_namespace(mdev,
4786 MLX5_FLOW_NAMESPACE_LAG);
4787 struct mlx5_flow_table *ft;
4788 int err;
4789
4790 if (!ns || !mlx5_lag_is_active(mdev))
4791 return 0;
4792
4793 err = mlx5_cmd_create_vport_lag(mdev);
4794 if (err)
4795 return err;
4796
4797 ft = mlx5_create_lag_demux_flow_table(ns, 0, 0);
4798 if (IS_ERR(ft)) {
4799 err = PTR_ERR(ft);
4800 goto err_destroy_vport_lag;
4801 }
4802
9a4ca38d 4803 dev->flow_db->lag_demux_ft = ft;
9ef9c640
AH		 4804 return 0;
4805
4806err_destroy_vport_lag:
4807 mlx5_cmd_destroy_vport_lag(mdev);
4808 return err;
4809}
4810
45f95acd 4811static void mlx5_eth_lag_cleanup(struct mlx5_ib_dev *dev)
9ef9c640
AH		 4812{
4813 struct mlx5_core_dev *mdev = dev->mdev;
4814
9a4ca38d
MB		 4815 if (dev->flow_db->lag_demux_ft) {
4816 mlx5_destroy_flow_table(dev->flow_db->lag_demux_ft);
4817 dev->flow_db->lag_demux_ft = NULL;
9ef9c640
AH		 4818
4819 mlx5_cmd_destroy_vport_lag(mdev);
4820 }
4821}
4822
7fd8aefb 4823static int mlx5_add_netdev_notifier(struct mlx5_ib_dev *dev, u8 port_num)
d012f5d6
OG		 4824{
4825 int err;
4826
7fd8aefb
DJ		 4827 dev->roce[port_num].nb.notifier_call = mlx5_netdev_event;
4828 err = register_netdevice_notifier(&dev->roce[port_num].nb);
d012f5d6 4829 if (err) {
7fd8aefb 4830 dev->roce[port_num].nb.notifier_call = NULL;
d012f5d6
OG		 4831 return err;
4832 }
4833
4834 return 0;
4835}
4836
7fd8aefb 4837static void mlx5_remove_netdev_notifier(struct mlx5_ib_dev *dev, u8 port_num)
5ec8c83e 4838{
7fd8aefb
DJ		 4839 if (dev->roce[port_num].nb.notifier_call) {
4840 unregister_netdevice_notifier(&dev->roce[port_num].nb);
4841 dev->roce[port_num].nb.notifier_call = NULL;
5ec8c83e
AH		 4842 }
4843}
4844
e3f1ed1f 4845static int mlx5_enable_eth(struct mlx5_ib_dev *dev)
fc24fc5e 4846{
e53505a8
AS		 4847 int err;
4848
ca5b91d6
OG		 4849 if (MLX5_CAP_GEN(dev->mdev, roce)) {
4850 err = mlx5_nic_vport_enable_roce(dev->mdev);
4851 if (err)
8e6efa3a 4852 return err;
ca5b91d6 4853 }
e53505a8 4854
45f95acd 4855 err = mlx5_eth_lag_init(dev);
9ef9c640
AH		 4856 if (err)
4857 goto err_disable_roce;
4858
e53505a8
AS		 4859 return 0;
4860
9ef9c640 4861err_disable_roce:
ca5b91d6
OG		 4862 if (MLX5_CAP_GEN(dev->mdev, roce))
4863 mlx5_nic_vport_disable_roce(dev->mdev);
9ef9c640 4864
e53505a8 4865 return err;
fc24fc5e
AS		 4866}
4867
45f95acd 4868static void mlx5_disable_eth(struct mlx5_ib_dev *dev)
fc24fc5e 4869{
45f95acd 4870 mlx5_eth_lag_cleanup(dev);
ca5b91d6
OG		 4871 if (MLX5_CAP_GEN(dev->mdev, roce))
4872 mlx5_nic_vport_disable_roce(dev->mdev);
fc24fc5e
AS		 4873}
4874
e1f24a79 4875struct mlx5_ib_counter {
7c16f477
KH		 4876 const char *name;
4877 size_t offset;
4878};
4879
4880#define INIT_Q_COUNTER(_name) \
4881 { .name = #_name, .offset = MLX5_BYTE_OFF(query_q_counter_out, _name)}
4882
e1f24a79 4883static const struct mlx5_ib_counter basic_q_cnts[] = {
7c16f477
KH		 4884 INIT_Q_COUNTER(rx_write_requests),
4885 INIT_Q_COUNTER(rx_read_requests),
4886 INIT_Q_COUNTER(rx_atomic_requests),
4887 INIT_Q_COUNTER(out_of_buffer),
4888};
4889
e1f24a79 4890static const struct mlx5_ib_counter out_of_seq_q_cnts[] = {
7c16f477
KH		 4891 INIT_Q_COUNTER(out_of_sequence),
4892};
4893
e1f24a79 4894static const struct mlx5_ib_counter retrans_q_cnts[] = {
7c16f477
KH		 4895 INIT_Q_COUNTER(duplicate_request),
4896 INIT_Q_COUNTER(rnr_nak_retry_err),
4897 INIT_Q_COUNTER(packet_seq_err),
4898 INIT_Q_COUNTER(implied_nak_seq_err),
4899 INIT_Q_COUNTER(local_ack_timeout_err),
4900};
4901
e1f24a79
PP		 4902#define INIT_CONG_COUNTER(_name) \
4903 { .name = #_name, .offset = \
4904 MLX5_BYTE_OFF(query_cong_statistics_out, _name ## _high)}
4905
4906static const struct mlx5_ib_counter cong_cnts[] = {
4907 INIT_CONG_COUNTER(rp_cnp_ignored),
4908 INIT_CONG_COUNTER(rp_cnp_handled),
4909 INIT_CONG_COUNTER(np_ecn_marked_roce_packets),
4910 INIT_CONG_COUNTER(np_cnp_sent),
4911};
4912
58dcb60a
PP		 4913static const struct mlx5_ib_counter extended_err_cnts[] = {
4914 INIT_Q_COUNTER(resp_local_length_error),
4915 INIT_Q_COUNTER(resp_cqe_error),
4916 INIT_Q_COUNTER(req_cqe_error),
4917 INIT_Q_COUNTER(req_remote_invalid_request),
4918 INIT_Q_COUNTER(req_remote_access_errors),
4919 INIT_Q_COUNTER(resp_remote_access_errors),
4920 INIT_Q_COUNTER(resp_cqe_flush_error),
4921 INIT_Q_COUNTER(req_cqe_flush_error),
4922};
4923
9f876f3d
TB		 4924#define INIT_EXT_PPCNT_COUNTER(_name) \
4925 { .name = #_name, .offset = \
4926 MLX5_BYTE_OFF(ppcnt_reg, \
4927 counter_set.eth_extended_cntrs_grp_data_layout._name##_high)}
4928
4929static const struct mlx5_ib_counter ext_ppcnt_cnts[] = {
4930 INIT_EXT_PPCNT_COUNTER(rx_icrc_encapsulated),
4931};
4932
e1f24a79 4933static void mlx5_ib_dealloc_counters(struct mlx5_ib_dev *dev)
0837e86a 4934{
aac4492e 4935 int i;
0837e86a 4936
7c16f477 4937 for (i = 0; i < dev->num_ports; i++) {
921c0f5b 4938 if (dev->port[i].cnts.set_id_valid)
aac4492e
DJ		 4939 mlx5_core_dealloc_q_counter(dev->mdev,
4940 dev->port[i].cnts.set_id);
e1f24a79
PP		 4941 kfree(dev->port[i].cnts.names);
4942 kfree(dev->port[i].cnts.offsets);
7c16f477
KH		 4943 }
4944}
4945
e1f24a79
PP		 4946static int __mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev,
4947 struct mlx5_ib_counters *cnts)
7c16f477
KH		 4948{
4949 u32 num_counters;
4950
4951 num_counters = ARRAY_SIZE(basic_q_cnts);
4952
4953 if (MLX5_CAP_GEN(dev->mdev, out_of_seq_cnt))
4954 num_counters += ARRAY_SIZE(out_of_seq_q_cnts);
4955
4956 if (MLX5_CAP_GEN(dev->mdev, retransmission_q_counters))
4957 num_counters += ARRAY_SIZE(retrans_q_cnts);
58dcb60a
PP		 4958
4959 if (MLX5_CAP_GEN(dev->mdev, enhanced_error_q_counters))
4960 num_counters += ARRAY_SIZE(extended_err_cnts);
4961
e1f24a79 4962 cnts->num_q_counters = num_counters;
7c16f477 4963
e1f24a79
PP		 4964 if (MLX5_CAP_GEN(dev->mdev, cc_query_allowed)) {
4965 cnts->num_cong_counters = ARRAY_SIZE(cong_cnts);
4966 num_counters += ARRAY_SIZE(cong_cnts);
4967 }
9f876f3d
TB		 4968 if (MLX5_CAP_PCAM_FEATURE(dev->mdev, rx_icrc_encapsulated_counter)) {
4969 cnts->num_ext_ppcnt_counters = ARRAY_SIZE(ext_ppcnt_cnts);
4970 num_counters += ARRAY_SIZE(ext_ppcnt_cnts);
4971 }
e1f24a79
PP		 4972 cnts->names = kcalloc(num_counters, sizeof(cnts->names), GFP_KERNEL);
4973 if (!cnts->names)
7c16f477
KH		 4974 return -ENOMEM;
4975
e1f24a79
PP		 4976 cnts->offsets = kcalloc(num_counters,
4977 sizeof(cnts->offsets), GFP_KERNEL);
4978 if (!cnts->offsets)
7c16f477
KH		 4979 goto err_names;
4980
7c16f477
KH		 4981 return 0;
4982
4983err_names:
e1f24a79 4984 kfree(cnts->names);
aac4492e 4985 cnts->names = NULL;
7c16f477
KH		 4986 return -ENOMEM;
4987}
4988
e1f24a79
PP		 4989static void mlx5_ib_fill_counters(struct mlx5_ib_dev *dev,
4990 const char **names,
4991 size_t *offsets)
7c16f477
KH		 4992{
4993 int i;
4994 int j = 0;
4995
4996 for (i = 0; i < ARRAY_SIZE(basic_q_cnts); i++, j++) {
4997 names[j] = basic_q_cnts[i].name;
4998 offsets[j] = basic_q_cnts[i].offset;
4999 }
5000
5001 if (MLX5_CAP_GEN(dev->mdev, out_of_seq_cnt)) {
5002 for (i = 0; i < ARRAY_SIZE(out_of_seq_q_cnts); i++, j++) {
5003 names[j] = out_of_seq_q_cnts[i].name;
5004 offsets[j] = out_of_seq_q_cnts[i].offset;
5005 }
5006 }
5007
5008 if (MLX5_CAP_GEN(dev->mdev, retransmission_q_counters)) {
5009 for (i = 0; i < ARRAY_SIZE(retrans_q_cnts); i++, j++) {
5010 names[j] = retrans_q_cnts[i].name;
5011 offsets[j] = retrans_q_cnts[i].offset;
5012 }
5013 }
e1f24a79 5014
58dcb60a
PP		 5015 if (MLX5_CAP_GEN(dev->mdev, enhanced_error_q_counters)) {
5016 for (i = 0; i < ARRAY_SIZE(extended_err_cnts); i++, j++) {
5017 names[j] = extended_err_cnts[i].name;
5018 offsets[j] = extended_err_cnts[i].offset;
5019 }
5020 }
5021
e1f24a79
PP		 5022 if (MLX5_CAP_GEN(dev->mdev, cc_query_allowed)) {
5023 for (i = 0; i < ARRAY_SIZE(cong_cnts); i++, j++) {
5024 names[j] = cong_cnts[i].name;
5025 offsets[j] = cong_cnts[i].offset;
5026 }
5027 }
9f876f3d
TB		 5028
5029 if (MLX5_CAP_PCAM_FEATURE(dev->mdev, rx_icrc_encapsulated_counter)) {
5030 for (i = 0; i < ARRAY_SIZE(ext_ppcnt_cnts); i++, j++) {
5031 names[j] = ext_ppcnt_cnts[i].name;
5032 offsets[j] = ext_ppcnt_cnts[i].offset;
5033 }
5034 }
0837e86a
MB		 5035}
5036
e1f24a79 5037static int mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev)
0837e86a 5038{
aac4492e 5039 int err = 0;
0837e86a 5040 int i;
0837e86a
MB		 5041
5042 for (i = 0; i < dev->num_ports; i++) {
aac4492e
DJ		 5043 err = __mlx5_ib_alloc_counters(dev, &dev->port[i].cnts);
5044 if (err)
5045 goto err_alloc;
5046
5047 mlx5_ib_fill_counters(dev, dev->port[i].cnts.names,
5048 dev->port[i].cnts.offsets);
7c16f477 5049
aac4492e
DJ		 5050 err = mlx5_core_alloc_q_counter(dev->mdev,
5051 &dev->port[i].cnts.set_id);
5052 if (err) {
0837e86a
MB		 5053 mlx5_ib_warn(dev,
5054 "couldn't allocate queue counter for port %d, err %d\n",
aac4492e
DJ		 5055 i + 1, err);
5056 goto err_alloc;
0837e86a 5057 }
aac4492e 5058 dev->port[i].cnts.set_id_valid = true;
0837e86a
MB		 5059 }
5060
5061 return 0;
5062
aac4492e
DJ		 5063err_alloc:
5064 mlx5_ib_dealloc_counters(dev);
5065 return err;
0837e86a
MB		 5066}
5067
0ad17a8f
MB		 5068static struct rdma_hw_stats *mlx5_ib_alloc_hw_stats(struct ib_device *ibdev,
5069 u8 port_num)
5070{
7c16f477
KH		 5071 struct mlx5_ib_dev *dev = to_mdev(ibdev);
5072 struct mlx5_ib_port *port = &dev->port[port_num - 1];
0ad17a8f
MB		 5073
5074 /* We support only per port stats */
5075 if (port_num == 0)
5076 return NULL;
5077
e1f24a79
PP		 5078 return rdma_alloc_hw_stats_struct(port->cnts.names,
5079 port->cnts.num_q_counters +
9f876f3d
TB		 5080 port->cnts.num_cong_counters +
5081 port->cnts.num_ext_ppcnt_counters,
0ad17a8f
MB		 5082 RDMA_HW_STATS_DEFAULT_LIFESPAN);
5083}
5084
aac4492e 5085static int mlx5_ib_query_q_counters(struct mlx5_core_dev *mdev,
e1f24a79
PP		 5086 struct mlx5_ib_port *port,
5087 struct rdma_hw_stats *stats)
0ad17a8f 5088{
0ad17a8f
MB		 5089 int outlen = MLX5_ST_SZ_BYTES(query_q_counter_out);
5090 void *out;
5091 __be32 val;
e1f24a79 5092 int ret, i;
0ad17a8f 5093
1b9a07ee 5094 out = kvzalloc(outlen, GFP_KERNEL);
0ad17a8f
MB		 5095 if (!out)
5096 return -ENOMEM;
5097
aac4492e 5098 ret = mlx5_core_query_q_counter(mdev,
e1f24a79 5099 port->cnts.set_id, 0,
0ad17a8f
MB		 5100 out, outlen);
5101 if (ret)
5102 goto free;
5103
e1f24a79
PP		 5104 for (i = 0; i < port->cnts.num_q_counters; i++) {
5105 val = *(__be32 *)(out + port->cnts.offsets[i]);
0ad17a8f
MB		 5106 stats->value[i] = (u64)be32_to_cpu(val);
5107 }
7c16f477 5108
0ad17a8f
MB		 5109free:
5110 kvfree(out);
e1f24a79
PP		 5111 return ret;
5112}
5113
9f876f3d
TB		 5114static int mlx5_ib_query_ext_ppcnt_counters(struct mlx5_ib_dev *dev,
5115 struct mlx5_ib_port *port,
5116 struct rdma_hw_stats *stats)
5117{
5118 int offset = port->cnts.num_q_counters + port->cnts.num_cong_counters;
5119 int sz = MLX5_ST_SZ_BYTES(ppcnt_reg);
5120 int ret, i;
5121 void *out;
5122
5123 out = kvzalloc(sz, GFP_KERNEL);
5124 if (!out)
5125 return -ENOMEM;
5126
5127 ret = mlx5_cmd_query_ext_ppcnt_counters(dev->mdev, out);
5128 if (ret)
5129 goto free;
5130
5131 for (i = 0; i < port->cnts.num_ext_ppcnt_counters; i++) {
5132 stats->value[i + offset] =
5133 be64_to_cpup((__be64 *)(out +
5134 port->cnts.offsets[i + offset]));
5135 }
5136
5137free:
5138 kvfree(out);
5139 return ret;
5140}
5141
e1f24a79
PP		 5142static int mlx5_ib_get_hw_stats(struct ib_device *ibdev,
5143 struct rdma_hw_stats *stats,
5144 u8 port_num, int index)
5145{
5146 struct mlx5_ib_dev *dev = to_mdev(ibdev);
5147 struct mlx5_ib_port *port = &dev->port[port_num - 1];
aac4492e 5148 struct mlx5_core_dev *mdev;
e1f24a79 5149 int ret, num_counters;
aac4492e 5150 u8 mdev_port_num;
e1f24a79
PP		 5151
5152 if (!stats)
5153 return -EINVAL;
5154
9f876f3d
TB		 5155 num_counters = port->cnts.num_q_counters +
5156 port->cnts.num_cong_counters +
5157 port->cnts.num_ext_ppcnt_counters;
aac4492e
DJ		 5158
5159 /* q_counters are per IB device, query the master mdev */
5160 ret = mlx5_ib_query_q_counters(dev->mdev, port, stats);
e1f24a79
PP		 5161 if (ret)
5162 return ret;
e1f24a79 5163
9f876f3d
TB		 5164 if (MLX5_CAP_PCAM_FEATURE(dev->mdev, rx_icrc_encapsulated_counter)) {
5165 ret = mlx5_ib_query_ext_ppcnt_counters(dev, port, stats);
5166 if (ret)
5167 return ret;
5168 }
5169
e1f24a79 5170 if (MLX5_CAP_GEN(dev->mdev, cc_query_allowed)) {
aac4492e
DJ		 5171 mdev = mlx5_ib_get_native_port_mdev(dev, port_num,
5172 &mdev_port_num);
5173 if (!mdev) {
5174 /* If port is not affiliated yet, its in down state
5175 * which doesn't have any counters yet, so it would be
5176 * zero. So no need to read from the HCA.
5177 */
5178 goto done;
5179 }
71a0ff65
MD		 5180 ret = mlx5_lag_query_cong_counters(dev->mdev,
5181 stats->value +
5182 port->cnts.num_q_counters,
5183 port->cnts.num_cong_counters,
5184 port->cnts.offsets +
5185 port->cnts.num_q_counters);
aac4492e
DJ		 5186
5187 mlx5_ib_put_native_port_mdev(dev, port_num);
e1f24a79
PP		 5188 if (ret)
5189 return ret;
e1f24a79
PP		 5190 }
5191
aac4492e 5192done:
e1f24a79 5193 return num_counters;
0ad17a8f
MB		 5194}
5195
f6a8a19b
DD		 5196static int mlx5_ib_rn_get_params(struct ib_device *device, u8 port_num,
5197 enum rdma_netdev_t type,
5198 struct rdma_netdev_alloc_params *params)
693dfd5a
ES		 5199{
5200 if (type != RDMA_NETDEV_IPOIB)
f6a8a19b 5201 return -EOPNOTSUPP;
693dfd5a 5202
f6a8a19b 5203 return mlx5_rdma_rn_get_params(to_mdev(device)->mdev, device, params);
693dfd5a
ES		 5204}
5205
fe248c3a
MG		 5206static void delay_drop_debugfs_cleanup(struct mlx5_ib_dev *dev)
5207{
5208 if (!dev->delay_drop.dbg)
5209 return;
5210 debugfs_remove_recursive(dev->delay_drop.dbg->dir_debugfs);
5211 kfree(dev->delay_drop.dbg);
5212 dev->delay_drop.dbg = NULL;
5213}
5214
03404e8a
MG		 5215static void cancel_delay_drop(struct mlx5_ib_dev *dev)
5216{
5217 if (!(dev->ib_dev.attrs.raw_packet_caps & IB_RAW_PACKET_CAP_DELAY_DROP))
5218 return;
5219
5220 cancel_work_sync(&dev->delay_drop.delay_drop_work);
fe248c3a
MG		 5221 delay_drop_debugfs_cleanup(dev);
5222}
5223
5224static ssize_t delay_drop_timeout_read(struct file *filp, char __user *buf,
5225 size_t count, loff_t *pos)
5226{
5227 struct mlx5_ib_delay_drop *delay_drop = filp->private_data;
5228 char lbuf[20];
5229 int len;
5230
5231 len = snprintf(lbuf, sizeof(lbuf), "%u\n", delay_drop->timeout);
5232 return simple_read_from_buffer(buf, count, pos, lbuf, len);
5233}
5234
5235static ssize_t delay_drop_timeout_write(struct file *filp, const char __user *buf,
5236 size_t count, loff_t *pos)
5237{
5238 struct mlx5_ib_delay_drop *delay_drop = filp->private_data;
5239 u32 timeout;
5240 u32 var;
5241
5242 if (kstrtouint_from_user(buf, count, 0, &var))
5243 return -EFAULT;
5244
5245 timeout = min_t(u32, roundup(var, 100), MLX5_MAX_DELAY_DROP_TIMEOUT_MS *
5246 1000);
5247 if (timeout != var)
5248 mlx5_ib_dbg(delay_drop->dev, "Round delay drop timeout to %u usec\n",
5249 timeout);
5250
5251 delay_drop->timeout = timeout;
5252
5253 return count;
5254}
5255
5256static const struct file_operations fops_delay_drop_timeout = {
5257 .owner = THIS_MODULE,
5258 .open = simple_open,
5259 .write = delay_drop_timeout_write,
5260 .read = delay_drop_timeout_read,
5261};
5262
5263static int delay_drop_debugfs_init(struct mlx5_ib_dev *dev)
5264{
5265 struct mlx5_ib_dbg_delay_drop *dbg;
5266
5267 if (!mlx5_debugfs_root)
5268 return 0;
5269
5270 dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
5271 if (!dbg)
5272 return -ENOMEM;
5273
cbafad87
SM		 5274 dev->delay_drop.dbg = dbg;
5275
fe248c3a
MG		 5276 dbg->dir_debugfs =
5277 debugfs_create_dir("delay_drop",
5278 dev->mdev->priv.dbg_root);
5279 if (!dbg->dir_debugfs)
cbafad87 5280 goto out_debugfs;
fe248c3a
MG		 5281
5282 dbg->events_cnt_debugfs =
5283 debugfs_create_atomic_t("num_timeout_events", 0400,
5284 dbg->dir_debugfs,
5285 &dev->delay_drop.events_cnt);
5286 if (!dbg->events_cnt_debugfs)
5287 goto out_debugfs;
5288
5289 dbg->rqs_cnt_debugfs =
5290 debugfs_create_atomic_t("num_rqs", 0400,
5291 dbg->dir_debugfs,
5292 &dev->delay_drop.rqs_cnt);
5293 if (!dbg->rqs_cnt_debugfs)
5294 goto out_debugfs;
5295
5296 dbg->timeout_debugfs =
5297 debugfs_create_file("timeout", 0600,
5298 dbg->dir_debugfs,
5299 &dev->delay_drop,
5300 &fops_delay_drop_timeout);
5301 if (!dbg->timeout_debugfs)
5302 goto out_debugfs;
5303
5304 return 0;
5305
5306out_debugfs:
5307 delay_drop_debugfs_cleanup(dev);
5308 return -ENOMEM;
03404e8a
MG		 5309}
5310
5311static void init_delay_drop(struct mlx5_ib_dev *dev)
5312{
5313 if (!(dev->ib_dev.attrs.raw_packet_caps & IB_RAW_PACKET_CAP_DELAY_DROP))
5314 return;
5315
5316 mutex_init(&dev->delay_drop.lock);
5317 dev->delay_drop.dev = dev;
5318 dev->delay_drop.activate = false;
5319 dev->delay_drop.timeout = MLX5_MAX_DELAY_DROP_TIMEOUT_MS * 1000;
5320 INIT_WORK(&dev->delay_drop.delay_drop_work, delay_drop_handler);
fe248c3a
MG		 5321 atomic_set(&dev->delay_drop.rqs_cnt, 0);
5322 atomic_set(&dev->delay_drop.events_cnt, 0);
5323
5324 if (delay_drop_debugfs_init(dev))
5325 mlx5_ib_warn(dev, "Failed to init delay drop debugfs\n");
03404e8a
MG		 5326}
5327
84305d71
LR		 5328static const struct cpumask *
5329mlx5_ib_get_vector_affinity(struct ib_device *ibdev, int comp_vector)
40b24403
SG		 5330{
5331 struct mlx5_ib_dev *dev = to_mdev(ibdev);
5332
6082d9c9 5333 return mlx5_get_vector_affinity_hint(dev->mdev, comp_vector);
40b24403
SG		 5334}
5335
32f69e4b
DJ		 5336/* The mlx5_ib_multiport_mutex should be held when calling this function */
5337static void mlx5_ib_unbind_slave_port(struct mlx5_ib_dev *ibdev,
5338 struct mlx5_ib_multiport_info *mpi)
5339{
5340 u8 port_num = mlx5_core_native_port_num(mpi->mdev) - 1;
5341 struct mlx5_ib_port *port = &ibdev->port[port_num];
5342 int comps;
5343 int err;
5344 int i;
5345
a9e546e7
PP		 5346 mlx5_ib_cleanup_cong_debugfs(ibdev, port_num);
5347
32f69e4b
DJ		 5348 spin_lock(&port->mp.mpi_lock);
5349 if (!mpi->ibdev) {
5350 spin_unlock(&port->mp.mpi_lock);
5351 return;
5352 }
5353 mpi->ibdev = NULL;
5354
5355 spin_unlock(&port->mp.mpi_lock);
5356 mlx5_remove_netdev_notifier(ibdev, port_num);
5357 spin_lock(&port->mp.mpi_lock);
5358
5359 comps = mpi->mdev_refcnt;
5360 if (comps) {
5361 mpi->unaffiliate = true;
5362 init_completion(&mpi->unref_comp);
5363 spin_unlock(&port->mp.mpi_lock);
5364
5365 for (i = 0; i < comps; i++)
5366 wait_for_completion(&mpi->unref_comp);
5367
5368 spin_lock(&port->mp.mpi_lock);
5369 mpi->unaffiliate = false;
5370 }
5371
5372 port->mp.mpi = NULL;
5373
5374 list_add_tail(&mpi->list, &mlx5_ib_unaffiliated_port_list);
5375
5376 spin_unlock(&port->mp.mpi_lock);
5377
5378 err = mlx5_nic_vport_unaffiliate_multiport(mpi->mdev);
5379
5380 mlx5_ib_dbg(ibdev, "unaffiliated port %d\n", port_num + 1);
5381 /* Log an error, still needed to cleanup the pointers and add
5382 * it back to the list.
5383 */
5384 if (err)
5385 mlx5_ib_err(ibdev, "Failed to unaffiliate port %u\n",
5386 port_num + 1);
5387
5388 ibdev->roce[port_num].last_port_state = IB_PORT_DOWN;
5389}
5390
5391/* The mlx5_ib_multiport_mutex should be held when calling this function */
5392static bool mlx5_ib_bind_slave_port(struct mlx5_ib_dev *ibdev,
5393 struct mlx5_ib_multiport_info *mpi)
5394{
5395 u8 port_num = mlx5_core_native_port_num(mpi->mdev) - 1;
5396 int err;
5397
5398 spin_lock(&ibdev->port[port_num].mp.mpi_lock);
5399 if (ibdev->port[port_num].mp.mpi) {
2577188e
QH		 5400 mlx5_ib_dbg(ibdev, "port %d already affiliated.\n",
5401 port_num + 1);
32f69e4b
DJ		 5402 spin_unlock(&ibdev->port[port_num].mp.mpi_lock);
5403 return false;
5404 }
5405
5406 ibdev->port[port_num].mp.mpi = mpi;
5407 mpi->ibdev = ibdev;
5408 spin_unlock(&ibdev->port[port_num].mp.mpi_lock);
5409
5410 err = mlx5_nic_vport_affiliate_multiport(ibdev->mdev, mpi->mdev);
5411 if (err)
5412 goto unbind;
5413
5414 err = get_port_caps(ibdev, mlx5_core_native_port_num(mpi->mdev));
5415 if (err)
5416 goto unbind;
5417
5418 err = mlx5_add_netdev_notifier(ibdev, port_num);
5419 if (err) {
5420 mlx5_ib_err(ibdev, "failed adding netdev notifier for port %u\n",
5421 port_num + 1);
5422 goto unbind;
5423 }
5424
a9e546e7
PP		 5425 err = mlx5_ib_init_cong_debugfs(ibdev, port_num);
5426 if (err)
5427 goto unbind;
5428
32f69e4b
DJ		 5429 return true;
5430
5431unbind:
5432 mlx5_ib_unbind_slave_port(ibdev, mpi);
5433 return false;
5434}
5435
5436static int mlx5_ib_init_multiport_master(struct mlx5_ib_dev *dev)
5437{
5438 int port_num = mlx5_core_native_port_num(dev->mdev) - 1;
5439 enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev,
5440 port_num + 1);
5441 struct mlx5_ib_multiport_info *mpi;
5442 int err;
5443 int i;
5444
5445 if (!mlx5_core_is_mp_master(dev->mdev) || ll != IB_LINK_LAYER_ETHERNET)
5446 return 0;
5447
5448 err = mlx5_query_nic_vport_system_image_guid(dev->mdev,
5449 &dev->sys_image_guid);
5450 if (err)
5451 return err;
5452
5453 err = mlx5_nic_vport_enable_roce(dev->mdev);
5454 if (err)
5455 return err;
5456
5457 mutex_lock(&mlx5_ib_multiport_mutex);
5458 for (i = 0; i < dev->num_ports; i++) {
5459 bool bound = false;
5460
5461 /* build a stub multiport info struct for the native port. */
5462 if (i == port_num) {
5463 mpi = kzalloc(sizeof(*mpi), GFP_KERNEL);
5464 if (!mpi) {
5465 mutex_unlock(&mlx5_ib_multiport_mutex);
5466 mlx5_nic_vport_disable_roce(dev->mdev);
5467 return -ENOMEM;
5468 }
5469
5470 mpi->is_master = true;
5471 mpi->mdev = dev->mdev;
5472 mpi->sys_image_guid = dev->sys_image_guid;
5473 dev->port[i].mp.mpi = mpi;
5474 mpi->ibdev = dev;
5475 mpi = NULL;
5476 continue;
5477 }
5478
5479 list_for_each_entry(mpi, &mlx5_ib_unaffiliated_port_list,
5480 list) {
5481 if (dev->sys_image_guid == mpi->sys_image_guid &&
5482 (mlx5_core_native_port_num(mpi->mdev) - 1) == i) {
5483 bound = mlx5_ib_bind_slave_port(dev, mpi);
5484 }
5485
5486 if (bound) {
5487 dev_dbg(&mpi->mdev->pdev->dev, "removing port from unaffiliated list.\n");
5488 mlx5_ib_dbg(dev, "port %d bound\n", i + 1);
5489 list_del(&mpi->list);
5490 break;
5491 }
5492 }
5493 if (!bound) {
5494 get_port_caps(dev, i + 1);
5495 mlx5_ib_dbg(dev, "no free port found for port %d\n",
5496 i + 1);
5497 }
5498 }
5499
5500 list_add_tail(&dev->ib_dev_list, &mlx5_ib_dev_list);
5501 mutex_unlock(&mlx5_ib_multiport_mutex);
5502 return err;
5503}
5504
5505static void mlx5_ib_cleanup_multiport_master(struct mlx5_ib_dev *dev)
5506{
5507 int port_num = mlx5_core_native_port_num(dev->mdev) - 1;
5508 enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev,
5509 port_num + 1);
5510 int i;
5511
5512 if (!mlx5_core_is_mp_master(dev->mdev) || ll != IB_LINK_LAYER_ETHERNET)
5513 return;
5514
5515 mutex_lock(&mlx5_ib_multiport_mutex);
5516 for (i = 0; i < dev->num_ports; i++) {
5517 if (dev->port[i].mp.mpi) {
5518 /* Destroy the native port stub */
5519 if (i == port_num) {
5520 kfree(dev->port[i].mp.mpi);
5521 dev->port[i].mp.mpi = NULL;
5522 } else {
5523 mlx5_ib_dbg(dev, "unbinding port_num: %d\n", i + 1);
5524 mlx5_ib_unbind_slave_port(dev, dev->port[i].mp.mpi);
5525 }
5526 }
5527 }
5528
5529 mlx5_ib_dbg(dev, "removing from devlist\n");
5530 list_del(&dev->ib_dev_list);
5531 mutex_unlock(&mlx5_ib_multiport_mutex);
5532
5533 mlx5_nic_vport_disable_roce(dev->mdev);
5534}
5535
9a119cd5
JG		 5536ADD_UVERBS_ATTRIBUTES_SIMPLE(
5537 mlx5_ib_dm,
5538 UVERBS_OBJECT_DM,
5539 UVERBS_METHOD_DM_ALLOC,
5540 UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET,
5541 UVERBS_ATTR_TYPE(u64),
83bb4442 5542 UA_MANDATORY),
9a119cd5
JG		 5543 UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX,
5544 UVERBS_ATTR_TYPE(u16),
83bb4442 5545 UA_MANDATORY));
9a119cd5
JG		 5546
5547ADD_UVERBS_ATTRIBUTES_SIMPLE(
5548 mlx5_ib_flow_action,
5549 UVERBS_OBJECT_FLOW_ACTION,
5550 UVERBS_METHOD_FLOW_ACTION_ESP_CREATE,
bccd0622
JG		 5551 UVERBS_ATTR_FLAGS_IN(MLX5_IB_ATTR_CREATE_FLOW_ACTION_FLAGS,
5552 enum mlx5_ib_uapi_flow_action_flags));
c6475a0b 5553
8c84660b
MB		 5554static int populate_specs_root(struct mlx5_ib_dev *dev)
5555{
7d96c9b1
JG		 5556 const struct uverbs_object_tree_def **trees = dev->driver_trees;
5557 size_t num_trees = 0;
8c84660b 5558
7d96c9b1
JG		 5559 if (mlx5_accel_ipsec_device_caps(dev->mdev) &
5560 MLX5_ACCEL_IPSEC_CAP_DEVICE)
5561 trees[num_trees++] = &mlx5_ib_flow_action;
c6475a0b 5562
7d96c9b1
JG		 5563 if (MLX5_CAP_DEV_MEM(dev->mdev, memic))
5564 trees[num_trees++] = &mlx5_ib_dm;
24da0016 5565
c59450c4 5566 if (MLX5_CAP_GEN_64(dev->mdev, general_obj_types) &
7d96c9b1
JG		 5567 MLX5_GENERAL_OBJ_TYPES_CAP_UCTX)
5568 trees[num_trees++] = mlx5_ib_get_devx_tree();
c59450c4 5569
7d96c9b1 5570 num_trees += mlx5_ib_get_flow_trees(trees + num_trees);
cb80fb18 5571
7d96c9b1
JG		 5572 WARN_ON(num_trees >= ARRAY_SIZE(dev->driver_trees));
5573 trees[num_trees] = NULL;
5574 dev->ib_dev.driver_specs = trees;
8c84660b 5575
7d96c9b1 5576 return 0;
8c84660b
MB		 5577}
5578
1a1e03dc
RS		 5579static int mlx5_ib_read_counters(struct ib_counters *counters,
5580 struct ib_counters_read_attr *read_attr,
5581 struct uverbs_attr_bundle *attrs)
5582{
5583 struct mlx5_ib_mcounters *mcounters = to_mcounters(counters);
5584 struct mlx5_read_counters_attr mread_attr = {};
5585 struct mlx5_ib_flow_counters_desc *desc;
5586 int ret, i;
5587
5588 mutex_lock(&mcounters->mcntrs_mutex);
5589 if (mcounters->cntrs_max_index > read_attr->ncounters) {
5590 ret = -EINVAL;
5591 goto err_bound;
5592 }
5593
5594 mread_attr.out = kcalloc(mcounters->counters_num, sizeof(u64),
5595 GFP_KERNEL);
5596 if (!mread_attr.out) {
5597 ret = -ENOMEM;
5598 goto err_bound;
5599 }
5600
5601 mread_attr.hw_cntrs_hndl = mcounters->hw_cntrs_hndl;
5602 mread_attr.flags = read_attr->flags;
5603 ret = mcounters->read_counters(counters->device, &mread_attr);
5604 if (ret)
5605 goto err_read;
5606
5607 /* do the pass over the counters data array to assign according to the
5608 * descriptions and indexing pairs
5609 */
5610 desc = mcounters->counters_data;
5611 for (i = 0; i < mcounters->ncounters; i++)
5612 read_attr->counters_buff[desc[i].index] += mread_attr.out[desc[i].description];
5613
5614err_read:
5615 kfree(mread_attr.out);
5616err_bound:
5617 mutex_unlock(&mcounters->mcntrs_mutex);
5618 return ret;
5619}
5620
b29e2a13
RS		 5621static int mlx5_ib_destroy_counters(struct ib_counters *counters)
5622{
5623 struct mlx5_ib_mcounters *mcounters = to_mcounters(counters);
5624
3b3233fb
RS		 5625 counters_clear_description(counters);
5626 if (mcounters->hw_cntrs_hndl)
5627 mlx5_fc_destroy(to_mdev(counters->device)->mdev,
5628 mcounters->hw_cntrs_hndl);
5629
b29e2a13
RS		 5630 kfree(mcounters);
5631
5632 return 0;
5633}
5634
5635static struct ib_counters *mlx5_ib_create_counters(struct ib_device *device,
5636 struct uverbs_attr_bundle *attrs)
5637{
5638 struct mlx5_ib_mcounters *mcounters;
5639
5640 mcounters = kzalloc(sizeof(*mcounters), GFP_KERNEL);
5641 if (!mcounters)
5642 return ERR_PTR(-ENOMEM);
5643
3b3233fb
RS		 5644 mutex_init(&mcounters->mcntrs_mutex);
5645
b29e2a13
RS		 5646 return &mcounters->ibcntrs;
5647}
5648
b5ca15ad 5649void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev)
e126ba97 5650{
32f69e4b 5651 mlx5_ib_cleanup_multiport_master(dev);
3cc297db
MB		 5652#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
5653 cleanup_srcu_struct(&dev->mr_srcu);
5654#endif
16c1975f
MB		 5655 kfree(dev->port);
5656}
5657
b5ca15ad 5658int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev)
16c1975f
MB		 5659{
5660 struct mlx5_core_dev *mdev = dev->mdev;
e126ba97 5661 int err;
32f69e4b 5662 int i;
e126ba97 5663
508562d6 5664 dev->port = kcalloc(dev->num_ports, sizeof(*dev->port),
0837e86a
MB		 5665 GFP_KERNEL);
5666 if (!dev->port)
16c1975f 5667 return -ENOMEM;
0837e86a 5668
32f69e4b
DJ		 5669 for (i = 0; i < dev->num_ports; i++) {
5670 spin_lock_init(&dev->port[i].mp.mpi_lock);
5671 rwlock_init(&dev->roce[i].netdev_lock);
5672 }
5673
5674 err = mlx5_ib_init_multiport_master(dev);
e126ba97 5675 if (err)
0837e86a 5676 goto err_free_port;
e126ba97 5677
32f69e4b 5678 if (!mlx5_core_mp_enabled(mdev)) {
32f69e4b
DJ		 5679 for (i = 1; i <= dev->num_ports; i++) {
5680 err = get_port_caps(dev, i);
5681 if (err)
5682 break;
5683 }
5684 } else {
5685 err = get_port_caps(dev, mlx5_core_native_port_num(mdev));
5686 }
5687 if (err)
5688 goto err_mp;
5689
1b5daf11
MD		 5690 if (mlx5_use_mad_ifc(dev))
5691 get_ext_port_caps(dev);
e126ba97 5692
e126ba97
EC		 5693 dev->ib_dev.owner = THIS_MODULE;
5694 dev->ib_dev.node_type = RDMA_NODE_IB_CA;
c6790aa9 5695 dev->ib_dev.local_dma_lkey = 0 /* not supported for now */;
508562d6 5696 dev->ib_dev.phys_port_cnt = dev->num_ports;
233d05d2
SM		 5697 dev->ib_dev.num_comp_vectors =
5698 dev->mdev->priv.eq_table.num_comp_vectors;
9b0c289e 5699 dev->ib_dev.dev.parent = &mdev->pdev->dev;
e126ba97 5700
3cc297db
MB		 5701 mutex_init(&dev->cap_mask_mutex);
5702 INIT_LIST_HEAD(&dev->qp_list);
5703 spin_lock_init(&dev->reset_flow_resource_lock);
5704
24da0016
AL		 5705 spin_lock_init(&dev->memic.memic_lock);
5706 dev->memic.dev = mdev;
5707
3cc297db
MB		 5708#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
5709 err = init_srcu_struct(&dev->mr_srcu);
5710 if (err)
5711 goto err_free_port;
5712#endif
5713
16c1975f 5714 return 0;
32f69e4b
DJ		 5715err_mp:
5716 mlx5_ib_cleanup_multiport_master(dev);
16c1975f
MB		 5717
5718err_free_port:
5719 kfree(dev->port);
5720
5721 return -ENOMEM;
5722}
5723
9a4ca38d
MB		 5724static int mlx5_ib_stage_flow_db_init(struct mlx5_ib_dev *dev)
5725{
5726 dev->flow_db = kzalloc(sizeof(*dev->flow_db), GFP_KERNEL);
5727
5728 if (!dev->flow_db)
5729 return -ENOMEM;
5730
5731 mutex_init(&dev->flow_db->lock);
5732
5733 return 0;
5734}
5735
b5ca15ad
MB		 5736int mlx5_ib_stage_rep_flow_db_init(struct mlx5_ib_dev *dev)
5737{
5738 struct mlx5_ib_dev *nic_dev;
5739
5740 nic_dev = mlx5_ib_get_uplink_ibdev(dev->mdev->priv.eswitch);
5741
5742 if (!nic_dev)
5743 return -EINVAL;
5744
5745 dev->flow_db = nic_dev->flow_db;
5746
5747 return 0;
5748}
5749
9a4ca38d
MB		 5750static void mlx5_ib_stage_flow_db_cleanup(struct mlx5_ib_dev *dev)
5751{
5752 kfree(dev->flow_db);
5753}
5754
b5ca15ad 5755int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev)
16c1975f
MB		 5756{
5757 struct mlx5_core_dev *mdev = dev->mdev;
16c1975f
MB		 5758 int err;
5759
e126ba97
EC		 5760 dev->ib_dev.uverbs_abi_ver = MLX5_IB_UVERBS_ABI_VERSION;
5761 dev->ib_dev.uverbs_cmd_mask =
5762 (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
5763 (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
5764 (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
5765 (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
5766 (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
41c450fd
MS		 5767 (1ull << IB_USER_VERBS_CMD_CREATE_AH) |
5768 (1ull << IB_USER_VERBS_CMD_DESTROY_AH) |
e126ba97 5769 (1ull << IB_USER_VERBS_CMD_REG_MR) |
56e11d62 5770 (1ull << IB_USER_VERBS_CMD_REREG_MR) |
e126ba97
EC		 5771 (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
5772 (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
5773 (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
5774 (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) |
5775 (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
5776 (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
5777 (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
5778 (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
5779 (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
5780 (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) |
5781 (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) |
5782 (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
5783 (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
5784 (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
5785 (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
5786 (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) |
5787 (1ull << IB_USER_VERBS_CMD_OPEN_QP);
1707cb4a 5788 dev->ib_dev.uverbs_ex_cmd_mask =
d4584ddf
MB		 5789 (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) |
5790 (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) |
7d29f349 5791 (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP) |
b0e9df6d
YC		 5792 (1ull << IB_USER_VERBS_EX_CMD_MODIFY_QP) |
5793 (1ull << IB_USER_VERBS_EX_CMD_MODIFY_CQ);
e126ba97
EC		 5794
5795 dev->ib_dev.query_device = mlx5_ib_query_device;
ebd61f68 5796 dev->ib_dev.get_link_layer = mlx5_ib_port_link_layer;
e126ba97 5797 dev->ib_dev.query_gid = mlx5_ib_query_gid;
3cca2606
AS		 5798 dev->ib_dev.add_gid = mlx5_ib_add_gid;
5799 dev->ib_dev.del_gid = mlx5_ib_del_gid;
e126ba97
EC		 5800 dev->ib_dev.query_pkey = mlx5_ib_query_pkey;
5801 dev->ib_dev.modify_device = mlx5_ib_modify_device;
5802 dev->ib_dev.modify_port = mlx5_ib_modify_port;
5803 dev->ib_dev.alloc_ucontext = mlx5_ib_alloc_ucontext;
5804 dev->ib_dev.dealloc_ucontext = mlx5_ib_dealloc_ucontext;
5805 dev->ib_dev.mmap = mlx5_ib_mmap;
5806 dev->ib_dev.alloc_pd = mlx5_ib_alloc_pd;
5807 dev->ib_dev.dealloc_pd = mlx5_ib_dealloc_pd;
5808 dev->ib_dev.create_ah = mlx5_ib_create_ah;
5809 dev->ib_dev.query_ah = mlx5_ib_query_ah;
5810 dev->ib_dev.destroy_ah = mlx5_ib_destroy_ah;
5811 dev->ib_dev.create_srq = mlx5_ib_create_srq;
5812 dev->ib_dev.modify_srq = mlx5_ib_modify_srq;
5813 dev->ib_dev.query_srq = mlx5_ib_query_srq;
5814 dev->ib_dev.destroy_srq = mlx5_ib_destroy_srq;
5815 dev->ib_dev.post_srq_recv = mlx5_ib_post_srq_recv;
5816 dev->ib_dev.create_qp = mlx5_ib_create_qp;
5817 dev->ib_dev.modify_qp = mlx5_ib_modify_qp;
5818 dev->ib_dev.query_qp = mlx5_ib_query_qp;
5819 dev->ib_dev.destroy_qp = mlx5_ib_destroy_qp;
d0e84c0a
YH		 5820 dev->ib_dev.drain_sq = mlx5_ib_drain_sq;
5821 dev->ib_dev.drain_rq = mlx5_ib_drain_rq;
e126ba97
EC		 5822 dev->ib_dev.post_send = mlx5_ib_post_send;
5823 dev->ib_dev.post_recv = mlx5_ib_post_recv;
5824 dev->ib_dev.create_cq = mlx5_ib_create_cq;
5825 dev->ib_dev.modify_cq = mlx5_ib_modify_cq;
5826 dev->ib_dev.resize_cq = mlx5_ib_resize_cq;
5827 dev->ib_dev.destroy_cq = mlx5_ib_destroy_cq;
5828 dev->ib_dev.poll_cq = mlx5_ib_poll_cq;
5829 dev->ib_dev.req_notify_cq = mlx5_ib_arm_cq;
5830 dev->ib_dev.get_dma_mr = mlx5_ib_get_dma_mr;
5831 dev->ib_dev.reg_user_mr = mlx5_ib_reg_user_mr;
56e11d62 5832 dev->ib_dev.rereg_user_mr = mlx5_ib_rereg_user_mr;
e126ba97
EC		 5833 dev->ib_dev.dereg_mr = mlx5_ib_dereg_mr;
5834 dev->ib_dev.attach_mcast = mlx5_ib_mcg_attach;
5835 dev->ib_dev.detach_mcast = mlx5_ib_mcg_detach;
5836 dev->ib_dev.process_mad = mlx5_ib_process_mad;
9bee178b 5837 dev->ib_dev.alloc_mr = mlx5_ib_alloc_mr;
8a187ee5 5838 dev->ib_dev.map_mr_sg = mlx5_ib_map_mr_sg;
d5436ba0 5839 dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status;
c7342823 5840 dev->ib_dev.get_dev_fw_str = get_dev_fw_str;
40b24403 5841 dev->ib_dev.get_vector_affinity = mlx5_ib_get_vector_affinity;
f6a8a19b
DD		 5842 if (MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads) &&
5843 IS_ENABLED(CONFIG_MLX5_CORE_IPOIB))
5844 dev->ib_dev.rdma_netdev_get_params = mlx5_ib_rn_get_params;
8e959601 5845
eff901d3
EC		 5846 if (mlx5_core_is_pf(mdev)) {
5847 dev->ib_dev.get_vf_config = mlx5_ib_get_vf_config;
5848 dev->ib_dev.set_vf_link_state = mlx5_ib_set_vf_link_state;
5849 dev->ib_dev.get_vf_stats = mlx5_ib_get_vf_stats;
5850 dev->ib_dev.set_vf_guid = mlx5_ib_set_vf_guid;
5851 }
e126ba97 5852
7c2344c3
MG		 5853 dev->ib_dev.disassociate_ucontext = mlx5_ib_disassociate_ucontext;
5854
6e8484c5
MG		 5855 dev->umr_fence = mlx5_get_umr_fence(MLX5_CAP_GEN(mdev, umr_fence));
5856
d2370e0a
MB		 5857 if (MLX5_CAP_GEN(mdev, imaicl)) {
5858 dev->ib_dev.alloc_mw = mlx5_ib_alloc_mw;
5859 dev->ib_dev.dealloc_mw = mlx5_ib_dealloc_mw;
5860 dev->ib_dev.uverbs_cmd_mask |=
5861 (1ull << IB_USER_VERBS_CMD_ALLOC_MW) |
5862 (1ull << IB_USER_VERBS_CMD_DEALLOC_MW);
5863 }
5864
938fe83c 5865 if (MLX5_CAP_GEN(mdev, xrc)) {
e126ba97
EC		 5866 dev->ib_dev.alloc_xrcd = mlx5_ib_alloc_xrcd;
5867 dev->ib_dev.dealloc_xrcd = mlx5_ib_dealloc_xrcd;
5868 dev->ib_dev.uverbs_cmd_mask |=
5869 (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) |
5870 (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD);
5871 }
5872
24da0016
AL		 5873 if (MLX5_CAP_DEV_MEM(mdev, memic)) {
5874 dev->ib_dev.alloc_dm = mlx5_ib_alloc_dm;
5875 dev->ib_dev.dealloc_dm = mlx5_ib_dealloc_dm;
6c29f57e 5876 dev->ib_dev.reg_dm_mr = mlx5_ib_reg_dm_mr;
24da0016
AL		 5877 }
5878
81e30880
YH		 5879 dev->ib_dev.create_flow = mlx5_ib_create_flow;
5880 dev->ib_dev.destroy_flow = mlx5_ib_destroy_flow;
5881 dev->ib_dev.uverbs_ex_cmd_mask |=
5882 (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) |
5883 (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW);
c6475a0b
AY		 5884 dev->ib_dev.create_flow_action_esp = mlx5_ib_create_flow_action_esp;
5885 dev->ib_dev.destroy_flow_action = mlx5_ib_destroy_flow_action;
349705c1 5886 dev->ib_dev.modify_flow_action_esp = mlx5_ib_modify_flow_action_esp;
0ede73bc 5887 dev->ib_dev.driver_id = RDMA_DRIVER_MLX5;
b29e2a13
RS		 5888 dev->ib_dev.create_counters = mlx5_ib_create_counters;
5889 dev->ib_dev.destroy_counters = mlx5_ib_destroy_counters;
1a1e03dc 5890 dev->ib_dev.read_counters = mlx5_ib_read_counters;
81e30880 5891
e126ba97
EC		 5892 err = init_node_data(dev);
5893 if (err)
16c1975f 5894 return err;
e126ba97 5895
c8b89924 5896 if ((MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH) &&
e7996a9a
JG		 5897 (MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) ||
5898 MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc)))
a560f1d9 5899 mutex_init(&dev->lb.mutex);
c8b89924 5900
16c1975f
MB		 5901 return 0;
5902}
5903
8e6efa3a
MB		 5904static int mlx5_ib_stage_non_default_cb(struct mlx5_ib_dev *dev)
5905{
5906 dev->ib_dev.get_port_immutable = mlx5_port_immutable;
5907 dev->ib_dev.query_port = mlx5_ib_query_port;
5908
5909 return 0;
5910}
5911
b5ca15ad 5912int mlx5_ib_stage_rep_non_default_cb(struct mlx5_ib_dev *dev)
8e6efa3a
MB		 5913{
5914 dev->ib_dev.get_port_immutable = mlx5_port_rep_immutable;
5915 dev->ib_dev.query_port = mlx5_ib_rep_query_port;
5916
5917 return 0;
5918}
5919
e3f1ed1f 5920static int mlx5_ib_stage_common_roce_init(struct mlx5_ib_dev *dev)
8e6efa3a 5921{
e3f1ed1f 5922 u8 port_num;
8e6efa3a
MB		 5923 int i;
5924
5925 for (i = 0; i < dev->num_ports; i++) {
5926 dev->roce[i].dev = dev;
5927 dev->roce[i].native_port_num = i + 1;
5928 dev->roce[i].last_port_state = IB_PORT_DOWN;
5929 }
5930
5931 dev->ib_dev.get_netdev = mlx5_ib_get_netdev;
5932 dev->ib_dev.create_wq = mlx5_ib_create_wq;
5933 dev->ib_dev.modify_wq = mlx5_ib_modify_wq;
5934 dev->ib_dev.destroy_wq = mlx5_ib_destroy_wq;
5935 dev->ib_dev.create_rwq_ind_table = mlx5_ib_create_rwq_ind_table;
5936 dev->ib_dev.destroy_rwq_ind_table = mlx5_ib_destroy_rwq_ind_table;
5937
5938 dev->ib_dev.uverbs_ex_cmd_mask |=
5939 (1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) |
5940 (1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ) |
5941 (1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ) |
5942 (1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) |
5943 (1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL);
5944
e3f1ed1f
LR		 5945 port_num = mlx5_core_native_port_num(dev->mdev) - 1;
5946
8e6efa3a
MB		 5947 return mlx5_add_netdev_notifier(dev, port_num);
5948}
5949
5950static void mlx5_ib_stage_common_roce_cleanup(struct mlx5_ib_dev *dev)
5951{
5952 u8 port_num = mlx5_core_native_port_num(dev->mdev) - 1;
5953
5954 mlx5_remove_netdev_notifier(dev, port_num);
5955}
5956
5957int mlx5_ib_stage_rep_roce_init(struct mlx5_ib_dev *dev)
5958{
5959 struct mlx5_core_dev *mdev = dev->mdev;
5960 enum rdma_link_layer ll;
5961 int port_type_cap;
5962 int err = 0;
8e6efa3a 5963
8e6efa3a
MB		 5964 port_type_cap = MLX5_CAP_GEN(mdev, port_type);
5965 ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap);
5966
5967 if (ll == IB_LINK_LAYER_ETHERNET)
e3f1ed1f 5968 err = mlx5_ib_stage_common_roce_init(dev);
8e6efa3a
MB		 5969
5970 return err;
5971}
5972
5973void mlx5_ib_stage_rep_roce_cleanup(struct mlx5_ib_dev *dev)
5974{
5975 mlx5_ib_stage_common_roce_cleanup(dev);
5976}
5977
16c1975f
MB		 5978static int mlx5_ib_stage_roce_init(struct mlx5_ib_dev *dev)
5979{
5980 struct mlx5_core_dev *mdev = dev->mdev;
5981 enum rdma_link_layer ll;
5982 int port_type_cap;
5983 int err;
5984
5985 port_type_cap = MLX5_CAP_GEN(mdev, port_type);
5986 ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap);
5987
fc24fc5e 5988 if (ll == IB_LINK_LAYER_ETHERNET) {
e3f1ed1f 5989 err = mlx5_ib_stage_common_roce_init(dev);
8e6efa3a
MB		 5990 if (err)
5991 return err;
7fd8aefb 5992
e3f1ed1f 5993 err = mlx5_enable_eth(dev);
fc24fc5e 5994 if (err)
8e6efa3a 5995 goto cleanup;
fc24fc5e
AS		 5996 }
5997
16c1975f 5998 return 0;
8e6efa3a
MB		 5999cleanup:
6000 mlx5_ib_stage_common_roce_cleanup(dev);
6001
6002 return err;
16c1975f 6003}
e126ba97 6004
16c1975f
MB		 6005static void mlx5_ib_stage_roce_cleanup(struct mlx5_ib_dev *dev)
6006{
6007 struct mlx5_core_dev *mdev = dev->mdev;
6008 enum rdma_link_layer ll;
6009 int port_type_cap;
e126ba97 6010
16c1975f
MB		 6011 port_type_cap = MLX5_CAP_GEN(mdev, port_type);
6012 ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap);
6013
6014 if (ll == IB_LINK_LAYER_ETHERNET) {
6015 mlx5_disable_eth(dev);
8e6efa3a 6016 mlx5_ib_stage_common_roce_cleanup(dev);
45bded2c 6017 }
16c1975f 6018}
6aec21f6 6019
b5ca15ad 6020int mlx5_ib_stage_dev_res_init(struct mlx5_ib_dev *dev)
16c1975f
MB		 6021{
6022 return create_dev_resources(&dev->devr);
6023}
6024
b5ca15ad 6025void mlx5_ib_stage_dev_res_cleanup(struct mlx5_ib_dev *dev)
16c1975f
MB		 6026{
6027 destroy_dev_resources(&dev->devr);
6028}
6029
6030static int mlx5_ib_stage_odp_init(struct mlx5_ib_dev *dev)
6031{
07321b3c
MB		 6032 mlx5_ib_internal_fill_odp_caps(dev);
6033
16c1975f
MB		 6034 return mlx5_ib_odp_init_one(dev);
6035}
4a2da0b8 6036
b5ca15ad 6037int mlx5_ib_stage_counters_init(struct mlx5_ib_dev *dev)
16c1975f 6038{
5e1e7612
MB		 6039 if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) {
6040 dev->ib_dev.get_hw_stats = mlx5_ib_get_hw_stats;
6041 dev->ib_dev.alloc_hw_stats = mlx5_ib_alloc_hw_stats;
6042
6043 return mlx5_ib_alloc_counters(dev);
6044 }
16c1975f
MB		 6045
6046 return 0;
6047}
6048
b5ca15ad 6049void mlx5_ib_stage_counters_cleanup(struct mlx5_ib_dev *dev)
16c1975f
MB		 6050{
6051 if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt))
6052 mlx5_ib_dealloc_counters(dev);
6053}
6054
6055static int mlx5_ib_stage_cong_debugfs_init(struct mlx5_ib_dev *dev)
6056{
a9e546e7
PP		 6057 return mlx5_ib_init_cong_debugfs(dev,
6058 mlx5_core_native_port_num(dev->mdev) - 1);
16c1975f
MB		 6059}
6060
6061static void mlx5_ib_stage_cong_debugfs_cleanup(struct mlx5_ib_dev *dev)
6062{
a9e546e7
PP		 6063 mlx5_ib_cleanup_cong_debugfs(dev,
6064 mlx5_core_native_port_num(dev->mdev) - 1);
16c1975f
MB		 6065}
6066
6067static int mlx5_ib_stage_uar_init(struct mlx5_ib_dev *dev)
6068{
5fe9dec0 6069 dev->mdev->priv.uar = mlx5_get_uars_page(dev->mdev);
444261ca 6070 return PTR_ERR_OR_ZERO(dev->mdev->priv.uar);
16c1975f
MB		 6071}
6072
6073static void mlx5_ib_stage_uar_cleanup(struct mlx5_ib_dev *dev)
6074{
6075 mlx5_put_uars_page(dev->mdev, dev->mdev->priv.uar);
6076}
6077
b5ca15ad 6078int mlx5_ib_stage_bfrag_init(struct mlx5_ib_dev *dev)
16c1975f
MB		 6079{
6080 int err;
5fe9dec0
EC		 6081
6082 err = mlx5_alloc_bfreg(dev->mdev, &dev->bfreg, false, false);
6083 if (err)
16c1975f 6084 return err;
5fe9dec0
EC		 6085
6086 err = mlx5_alloc_bfreg(dev->mdev, &dev->fp_bfreg, false, true);
6087 if (err)
16c1975f 6088 mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg);
5fe9dec0 6089
16c1975f
MB		 6090 return err;
6091}
0837e86a 6092
b5ca15ad 6093void mlx5_ib_stage_bfrag_cleanup(struct mlx5_ib_dev *dev)
16c1975f
MB		 6094{
6095 mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg);
6096 mlx5_free_bfreg(dev->mdev, &dev->bfreg);
6097}
e126ba97 6098
8c84660b
MB		 6099static int mlx5_ib_stage_populate_specs(struct mlx5_ib_dev *dev)
6100{
6101 return populate_specs_root(dev);
6102}
6103
b5ca15ad 6104int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev)
16c1975f 6105{
e349f858
JG		 6106 const char *name;
6107
508a523f 6108 rdma_set_device_sysfs_group(&dev->ib_dev, &mlx5_attr_group);
e349f858
JG		 6109 if (!mlx5_lag_is_active(dev->mdev))
6110 name = "mlx5_%d";
6111 else
6112 name = "mlx5_bond_%d";
6113 return ib_register_device(&dev->ib_dev, name, NULL);
16c1975f
MB		 6114}
6115
03fe2deb 6116void mlx5_ib_stage_pre_ib_reg_umr_cleanup(struct mlx5_ib_dev *dev)
16c1975f 6117{
42cea83f 6118 destroy_umrc_res(dev);
16c1975f
MB		 6119}
6120
03fe2deb 6121void mlx5_ib_stage_ib_reg_cleanup(struct mlx5_ib_dev *dev)
16c1975f 6122{
42cea83f 6123 ib_unregister_device(&dev->ib_dev);
16c1975f
MB		 6124}
6125
03fe2deb 6126int mlx5_ib_stage_post_ib_reg_umr_init(struct mlx5_ib_dev *dev)
16c1975f 6127{
42cea83f 6128 return create_umr_res(dev);
16c1975f
MB		 6129}
6130
6131static int mlx5_ib_stage_delay_drop_init(struct mlx5_ib_dev *dev)
6132{
03404e8a
MG		 6133 init_delay_drop(dev);
6134
16c1975f
MB		 6135 return 0;
6136}
6137
6138static void mlx5_ib_stage_delay_drop_cleanup(struct mlx5_ib_dev *dev)
6139{
6140 cancel_delay_drop(dev);
6141}
6142
fc385b7a
MB		 6143static int mlx5_ib_stage_rep_reg_init(struct mlx5_ib_dev *dev)
6144{
6145 mlx5_ib_register_vport_reps(dev);
6146
6147 return 0;
6148}
6149
6150static void mlx5_ib_stage_rep_reg_cleanup(struct mlx5_ib_dev *dev)
6151{
6152 mlx5_ib_unregister_vport_reps(dev);
6153}
6154
b5ca15ad
MB		 6155void __mlx5_ib_remove(struct mlx5_ib_dev *dev,
6156 const struct mlx5_ib_profile *profile,
6157 int stage)
16c1975f
MB		 6158{
6159 /* Number of stages to cleanup */
6160 while (stage) {
6161 stage--;
6162 if (profile->stage[stage].cleanup)
6163 profile->stage[stage].cleanup(dev);
6164 }
e126ba97 6165
76dc5a84
YH		 6166 if (dev->devx_whitelist_uid)
6167 mlx5_ib_devx_destroy(dev, dev->devx_whitelist_uid);
16c1975f
MB		 6168 ib_dealloc_device((struct ib_device *)dev);
6169}
e126ba97 6170
b5ca15ad
MB		 6171void *__mlx5_ib_add(struct mlx5_ib_dev *dev,
6172 const struct mlx5_ib_profile *profile)
16c1975f 6173{
16c1975f
MB		 6174 int err;
6175 int i;
76dc5a84 6176 int uid;
5fe9dec0 6177
16c1975f
MB		 6178 for (i = 0; i < MLX5_IB_STAGE_MAX; i++) {
6179 if (profile->stage[i].init) {
6180 err = profile->stage[i].init(dev);
6181 if (err)
6182 goto err_out;
6183 }
6184 }
0837e86a 6185
76dc5a84
YH		 6186 uid = mlx5_ib_devx_create(dev);
6187 if (uid > 0)
6188 dev->devx_whitelist_uid = uid;
6189
16c1975f
MB		 6190 dev->profile = profile;
6191 dev->ib_active = true;
6aec21f6 6192
16c1975f 6193 return dev;
e126ba97 6194
16c1975f
MB		 6195err_out:
6196 __mlx5_ib_remove(dev, profile, i);
fc24fc5e 6197
16c1975f
MB		 6198 return NULL;
6199}
0837e86a 6200
16c1975f
MB		 6201static const struct mlx5_ib_profile pf_profile = {
6202 STAGE_CREATE(MLX5_IB_STAGE_INIT,
6203 mlx5_ib_stage_init_init,
6204 mlx5_ib_stage_init_cleanup),
9a4ca38d
MB		 6205 STAGE_CREATE(MLX5_IB_STAGE_FLOW_DB,
6206 mlx5_ib_stage_flow_db_init,
6207 mlx5_ib_stage_flow_db_cleanup),
16c1975f
MB		 6208 STAGE_CREATE(MLX5_IB_STAGE_CAPS,
6209 mlx5_ib_stage_caps_init,
6210 NULL),
8e6efa3a
MB		 6211 STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB,
6212 mlx5_ib_stage_non_default_cb,
6213 NULL),
16c1975f
MB		 6214 STAGE_CREATE(MLX5_IB_STAGE_ROCE,
6215 mlx5_ib_stage_roce_init,
6216 mlx5_ib_stage_roce_cleanup),
6217 STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES,
6218 mlx5_ib_stage_dev_res_init,
6219 mlx5_ib_stage_dev_res_cleanup),
6220 STAGE_CREATE(MLX5_IB_STAGE_ODP,
6221 mlx5_ib_stage_odp_init,
3cc297db 6222 NULL),
16c1975f
MB		 6223 STAGE_CREATE(MLX5_IB_STAGE_COUNTERS,
6224 mlx5_ib_stage_counters_init,
6225 mlx5_ib_stage_counters_cleanup),
6226 STAGE_CREATE(MLX5_IB_STAGE_CONG_DEBUGFS,
6227 mlx5_ib_stage_cong_debugfs_init,
6228 mlx5_ib_stage_cong_debugfs_cleanup),
6229 STAGE_CREATE(MLX5_IB_STAGE_UAR,
6230 mlx5_ib_stage_uar_init,
6231 mlx5_ib_stage_uar_cleanup),
6232 STAGE_CREATE(MLX5_IB_STAGE_BFREG,
6233 mlx5_ib_stage_bfrag_init,
6234 mlx5_ib_stage_bfrag_cleanup),
42cea83f
MB		 6235 STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR,
6236 NULL,
6237 mlx5_ib_stage_pre_ib_reg_umr_cleanup),
8c84660b
MB		 6238 STAGE_CREATE(MLX5_IB_STAGE_SPECS,
6239 mlx5_ib_stage_populate_specs,
7d96c9b1 6240 NULL),
16c1975f
MB		 6241 STAGE_CREATE(MLX5_IB_STAGE_IB_REG,
6242 mlx5_ib_stage_ib_reg_init,
6243 mlx5_ib_stage_ib_reg_cleanup),
42cea83f
MB		 6244 STAGE_CREATE(MLX5_IB_STAGE_POST_IB_REG_UMR,
6245 mlx5_ib_stage_post_ib_reg_umr_init,
6246 NULL),
16c1975f
MB		 6247 STAGE_CREATE(MLX5_IB_STAGE_DELAY_DROP,
6248 mlx5_ib_stage_delay_drop_init,
6249 mlx5_ib_stage_delay_drop_cleanup),
16c1975f 6250};
e126ba97 6251
b5ca15ad
MB		 6252static const struct mlx5_ib_profile nic_rep_profile = {
6253 STAGE_CREATE(MLX5_IB_STAGE_INIT,
6254 mlx5_ib_stage_init_init,
6255 mlx5_ib_stage_init_cleanup),
6256 STAGE_CREATE(MLX5_IB_STAGE_FLOW_DB,
6257 mlx5_ib_stage_flow_db_init,
6258 mlx5_ib_stage_flow_db_cleanup),
6259 STAGE_CREATE(MLX5_IB_STAGE_CAPS,
6260 mlx5_ib_stage_caps_init,
6261 NULL),
6262 STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB,
6263 mlx5_ib_stage_rep_non_default_cb,
6264 NULL),
6265 STAGE_CREATE(MLX5_IB_STAGE_ROCE,
6266 mlx5_ib_stage_rep_roce_init,
6267 mlx5_ib_stage_rep_roce_cleanup),
6268 STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES,
6269 mlx5_ib_stage_dev_res_init,
6270 mlx5_ib_stage_dev_res_cleanup),
6271 STAGE_CREATE(MLX5_IB_STAGE_COUNTERS,
6272 mlx5_ib_stage_counters_init,
6273 mlx5_ib_stage_counters_cleanup),
6274 STAGE_CREATE(MLX5_IB_STAGE_UAR,
6275 mlx5_ib_stage_uar_init,
6276 mlx5_ib_stage_uar_cleanup),
6277 STAGE_CREATE(MLX5_IB_STAGE_BFREG,
6278 mlx5_ib_stage_bfrag_init,
6279 mlx5_ib_stage_bfrag_cleanup),
03fe2deb
DM		 6280 STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR,
6281 NULL,
6282 mlx5_ib_stage_pre_ib_reg_umr_cleanup),
8c84660b
MB		 6283 STAGE_CREATE(MLX5_IB_STAGE_SPECS,
6284 mlx5_ib_stage_populate_specs,
7d96c9b1 6285 NULL),
b5ca15ad
MB		 6286 STAGE_CREATE(MLX5_IB_STAGE_IB_REG,
6287 mlx5_ib_stage_ib_reg_init,
6288 mlx5_ib_stage_ib_reg_cleanup),
03fe2deb
DM		 6289 STAGE_CREATE(MLX5_IB_STAGE_POST_IB_REG_UMR,
6290 mlx5_ib_stage_post_ib_reg_umr_init,
6291 NULL),
b5ca15ad
MB		 6292 STAGE_CREATE(MLX5_IB_STAGE_REP_REG,
6293 mlx5_ib_stage_rep_reg_init,
6294 mlx5_ib_stage_rep_reg_cleanup),
6295};
6296
e3f1ed1f 6297static void *mlx5_ib_add_slave_port(struct mlx5_core_dev *mdev)
32f69e4b
DJ		 6298{
6299 struct mlx5_ib_multiport_info *mpi;
6300 struct mlx5_ib_dev *dev;
6301 bool bound = false;
6302 int err;
6303
6304 mpi = kzalloc(sizeof(*mpi), GFP_KERNEL);
6305 if (!mpi)
6306 return NULL;
6307
6308 mpi->mdev = mdev;
6309
6310 err = mlx5_query_nic_vport_system_image_guid(mdev,
6311 &mpi->sys_image_guid);
6312 if (err) {
6313 kfree(mpi);
6314 return NULL;
6315 }
6316
6317 mutex_lock(&mlx5_ib_multiport_mutex);
6318 list_for_each_entry(dev, &mlx5_ib_dev_list, ib_dev_list) {
6319 if (dev->sys_image_guid == mpi->sys_image_guid)
6320 bound = mlx5_ib_bind_slave_port(dev, mpi);
6321
6322 if (bound) {
6323 rdma_roce_rescan_device(&dev->ib_dev);
6324 break;
6325 }
6326 }
6327
6328 if (!bound) {
6329 list_add_tail(&mpi->list, &mlx5_ib_unaffiliated_port_list);
6330 dev_dbg(&mdev->pdev->dev, "no suitable IB device found to bind to, added to unaffiliated list.\n");
32f69e4b
DJ		 6331 }
6332 mutex_unlock(&mlx5_ib_multiport_mutex);
6333
6334 return mpi;
6335}
6336
16c1975f
MB		 6337static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
6338{
32f69e4b 6339 enum rdma_link_layer ll;
b5ca15ad 6340 struct mlx5_ib_dev *dev;
32f69e4b
DJ		 6341 int port_type_cap;
6342
b5ca15ad
MB		 6343 printk_once(KERN_INFO "%s", mlx5_version);
6344
32f69e4b
DJ		 6345 port_type_cap = MLX5_CAP_GEN(mdev, port_type);
6346 ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap);
6347
e3f1ed1f
LR		 6348 if (mlx5_core_is_mp_slave(mdev) && ll == IB_LINK_LAYER_ETHERNET)
6349 return mlx5_ib_add_slave_port(mdev);
32f69e4b 6350
b5ca15ad
MB		 6351 dev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*dev));
6352 if (!dev)
6353 return NULL;
6354
6355 dev->mdev = mdev;
6356 dev->num_ports = max(MLX5_CAP_GEN(mdev, num_ports),
6357 MLX5_CAP_GEN(mdev, num_vhca_ports));
6358
aff2252a 6359 if (MLX5_ESWITCH_MANAGER(mdev) &&
b5ca15ad
MB		 6360 mlx5_ib_eswitch_mode(mdev->priv.eswitch) == SRIOV_OFFLOADS) {
6361 dev->rep = mlx5_ib_vport_rep(mdev->priv.eswitch, 0);
6362
6363 return __mlx5_ib_add(dev, &nic_rep_profile);
6364 }
6365
6366 return __mlx5_ib_add(dev, &pf_profile);
e126ba97
EC		 6367}
6368
9603b61d 6369static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context)
e126ba97 6370{
32f69e4b
DJ		 6371 struct mlx5_ib_multiport_info *mpi;
6372 struct mlx5_ib_dev *dev;
6373
6374 if (mlx5_core_is_mp_slave(mdev)) {
6375 mpi = context;
6376 mutex_lock(&mlx5_ib_multiport_mutex);
6377 if (mpi->ibdev)
6378 mlx5_ib_unbind_slave_port(mpi->ibdev, mpi);
6379 list_del(&mpi->list);
6380 mutex_unlock(&mlx5_ib_multiport_mutex);
6381 return;
6382 }
6aec21f6 6383
32f69e4b 6384 dev = context;
16c1975f 6385 __mlx5_ib_remove(dev, dev->profile, MLX5_IB_STAGE_MAX);
e126ba97
EC		 6386}
6387
9603b61d
JM		 6388static struct mlx5_interface mlx5_ib_interface = {
6389 .add = mlx5_ib_add,
6390 .remove = mlx5_ib_remove,
6391 .event = mlx5_ib_event,
d9aaed83
AK		 6392#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
6393 .pfault = mlx5_ib_pfault,
6394#endif
64613d94 6395 .protocol = MLX5_INTERFACE_PROTOCOL_IB,
e126ba97
EC		 6396};
6397
c44ef998
IL		 6398unsigned long mlx5_ib_get_xlt_emergency_page(void)
6399{
6400 mutex_lock(&xlt_emergency_page_mutex);
6401 return xlt_emergency_page;
6402}
6403
6404void mlx5_ib_put_xlt_emergency_page(void)
6405{
6406 mutex_unlock(&xlt_emergency_page_mutex);
6407}
6408
e126ba97
EC		 6409static int __init mlx5_ib_init(void)
6410{
6aec21f6
HE		 6411 int err;
6412
c44ef998
IL		 6413 xlt_emergency_page = __get_free_page(GFP_KERNEL);
6414 if (!xlt_emergency_page)
6415 return -ENOMEM;
6416
6417 mutex_init(&xlt_emergency_page_mutex);
6418
d69a24e0 6419 mlx5_ib_event_wq = alloc_ordered_workqueue("mlx5_ib_event_wq", 0);
c44ef998
IL		 6420 if (!mlx5_ib_event_wq) {
6421 free_page(xlt_emergency_page);
d69a24e0 6422 return -ENOMEM;
c44ef998 6423 }
d69a24e0 6424
81713d37 6425 mlx5_ib_odp_init();
9603b61d 6426
6aec21f6 6427 err = mlx5_register_interface(&mlx5_ib_interface);
6aec21f6 6428
6aec21f6 6429 return err;
e126ba97
EC		 6430}
6431
6432static void __exit mlx5_ib_cleanup(void)
6433{
9603b61d 6434 mlx5_unregister_interface(&mlx5_ib_interface);
d69a24e0 6435 destroy_workqueue(mlx5_ib_event_wq);
c44ef998
IL		 6436 mutex_destroy(&xlt_emergency_page_mutex);
6437 free_page(xlt_emergency_page);
e126ba97
EC		 6438}
6439
6440module_init(mlx5_ib_init);
6441module_exit(mlx5_ib_cleanup);
A mirror of Linus' kernel repository