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net/mlx5e: Return success when TC offloaded fdb actions parsed ok
[mirror_ubuntu-jammy-kernel.git] / drivers / net / ethernet / mellanox / mlx5 / core / en_tc.c
CommitLineData
e8f887ac
AV		 1/*
2 * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
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
e3a2b7ed 33#include <net/flow_dissector.h>
3f7d0eb4 34#include <net/sch_generic.h>
e3a2b7ed
AV		 35#include <net/pkt_cls.h>
36#include <net/tc_act/tc_gact.h>
12185a9f 37#include <net/tc_act/tc_skbedit.h>
e8f887ac
AV		 38#include <linux/mlx5/fs.h>
39#include <linux/mlx5/device.h>
40#include <linux/rhashtable.h>
03a9d11e
OG		 41#include <net/switchdev.h>
42#include <net/tc_act/tc_mirred.h>
776b12b6 43#include <net/tc_act/tc_vlan.h>
bbd00f7e 44#include <net/tc_act/tc_tunnel_key.h>
d79b6df6 45#include <net/tc_act/tc_pedit.h>
26c02749 46#include <net/tc_act/tc_csum.h>
a54e20b4 47#include <net/vxlan.h>
f6dfb4c3 48#include <net/arp.h>
e8f887ac 49#include "en.h"
1d447a39 50#include "en_rep.h"
232c0013 51#include "en_tc.h"
03a9d11e 52#include "eswitch.h"
bbd00f7e 53#include "vxlan.h"
3f6d08d1 54#include "fs_core.h"
e8f887ac 55
3bc4b7bf
OG		 56struct mlx5_nic_flow_attr {
57 u32 action;
58 u32 flow_tag;
2f4fe4ca 59 u32 mod_hdr_id;
5c65c564 60 u32 hairpin_tirn;
3f6d08d1 61 struct mlx5_flow_table *hairpin_ft;
3bc4b7bf
OG		 62};
63
65ba8fb7
OG		 64enum {
65 MLX5E_TC_FLOW_ESWITCH = BIT(0),
3bc4b7bf 66 MLX5E_TC_FLOW_NIC = BIT(1),
0b67a38f 67 MLX5E_TC_FLOW_OFFLOADED = BIT(2),
5c65c564 68 MLX5E_TC_FLOW_HAIRPIN = BIT(3),
3f6d08d1 69 MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(4),
65ba8fb7
OG		 70};
71
e8f887ac
AV		 72struct mlx5e_tc_flow {
73 struct rhash_head node;
74 u64 cookie;
65ba8fb7 75 u8 flags;
74491de9 76 struct mlx5_flow_handle *rule;
11c9c548
OG		 77 struct list_head encap; /* flows sharing the same encap ID */
78 struct list_head mod_hdr; /* flows sharing the same mod hdr ID */
5c65c564 79 struct list_head hairpin; /* flows sharing the same hairpin */
3bc4b7bf
OG		 80 union {
81 struct mlx5_esw_flow_attr esw_attr[0];
82 struct mlx5_nic_flow_attr nic_attr[0];
83 };
e8f887ac
AV		 84};
85
17091853 86struct mlx5e_tc_flow_parse_attr {
3c37745e 87 struct ip_tunnel_info tun_info;
17091853 88 struct mlx5_flow_spec spec;
d79b6df6
OG		 89 int num_mod_hdr_actions;
90 void *mod_hdr_actions;
3c37745e 91 int mirred_ifindex;
17091853
OG		 92};
93
a54e20b4
HHZ		 94enum {
95 MLX5_HEADER_TYPE_VXLAN = 0x0,
96 MLX5_HEADER_TYPE_NVGRE = 0x1,
97};
98
acff797c 99#define MLX5E_TC_TABLE_NUM_GROUPS 4
b3a433de 100#define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16)
e8f887ac 101
77ab67b7
OG		 102struct mlx5e_hairpin {
103 struct mlx5_hairpin *pair;
104
105 struct mlx5_core_dev *func_mdev;
3f6d08d1 106 struct mlx5e_priv *func_priv;
77ab67b7
OG		 107 u32 tdn;
108 u32 tirn;
3f6d08d1
OG		 109
110 int num_channels;
111 struct mlx5e_rqt indir_rqt;
112 u32 indir_tirn[MLX5E_NUM_INDIR_TIRS];
113 struct mlx5e_ttc_table ttc;
77ab67b7
OG		 114};
115
5c65c564
OG		 116struct mlx5e_hairpin_entry {
117 /* a node of a hash table which keeps all the hairpin entries */
118 struct hlist_node hairpin_hlist;
119
120 /* flows sharing the same hairpin */
121 struct list_head flows;
122
d8822868 123 u16 peer_vhca_id;
106be53b 124 u8 prio;
5c65c564
OG		 125 struct mlx5e_hairpin *hp;
126};
127
11c9c548
OG		 128struct mod_hdr_key {
129 int num_actions;
130 void *actions;
131};
132
133struct mlx5e_mod_hdr_entry {
134 /* a node of a hash table which keeps all the mod_hdr entries */
135 struct hlist_node mod_hdr_hlist;
136
137 /* flows sharing the same mod_hdr entry */
138 struct list_head flows;
139
140 struct mod_hdr_key key;
141
142 u32 mod_hdr_id;
143};
144
145#define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto)
146
147static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key)
148{
149 return jhash(key->actions,
150 key->num_actions * MLX5_MH_ACT_SZ, 0);
151}
152
153static inline int cmp_mod_hdr_info(struct mod_hdr_key *a,
154 struct mod_hdr_key *b)
155{
156 if (a->num_actions != b->num_actions)
157 return 1;
158
159 return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ);
160}
161
162static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv,
163 struct mlx5e_tc_flow *flow,
164 struct mlx5e_tc_flow_parse_attr *parse_attr)
165{
166 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
167 int num_actions, actions_size, namespace, err;
168 struct mlx5e_mod_hdr_entry *mh;
169 struct mod_hdr_key key;
170 bool found = false;
171 u32 hash_key;
172
173 num_actions = parse_attr->num_mod_hdr_actions;
174 actions_size = MLX5_MH_ACT_SZ * num_actions;
175
176 key.actions = parse_attr->mod_hdr_actions;
177 key.num_actions = num_actions;
178
179 hash_key = hash_mod_hdr_info(&key);
180
181 if (flow->flags & MLX5E_TC_FLOW_ESWITCH) {
182 namespace = MLX5_FLOW_NAMESPACE_FDB;
183 hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh,
184 mod_hdr_hlist, hash_key) {
185 if (!cmp_mod_hdr_info(&mh->key, &key)) {
186 found = true;
187 break;
188 }
189 }
190 } else {
191 namespace = MLX5_FLOW_NAMESPACE_KERNEL;
192 hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh,
193 mod_hdr_hlist, hash_key) {
194 if (!cmp_mod_hdr_info(&mh->key, &key)) {
195 found = true;
196 break;
197 }
198 }
199 }
200
201 if (found)
202 goto attach_flow;
203
204 mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL);
205 if (!mh)
206 return -ENOMEM;
207
208 mh->key.actions = (void *)mh + sizeof(*mh);
209 memcpy(mh->key.actions, key.actions, actions_size);
210 mh->key.num_actions = num_actions;
211 INIT_LIST_HEAD(&mh->flows);
212
213 err = mlx5_modify_header_alloc(priv->mdev, namespace,
214 mh->key.num_actions,
215 mh->key.actions,
216 &mh->mod_hdr_id);
217 if (err)
218 goto out_err;
219
220 if (flow->flags & MLX5E_TC_FLOW_ESWITCH)
221 hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key);
222 else
223 hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key);
224
225attach_flow:
226 list_add(&flow->mod_hdr, &mh->flows);
227 if (flow->flags & MLX5E_TC_FLOW_ESWITCH)
228 flow->esw_attr->mod_hdr_id = mh->mod_hdr_id;
229 else
230 flow->nic_attr->mod_hdr_id = mh->mod_hdr_id;
231
232 return 0;
233
234out_err:
235 kfree(mh);
236 return err;
237}
238
239static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv,
240 struct mlx5e_tc_flow *flow)
241{
242 struct list_head *next = flow->mod_hdr.next;
243
244 list_del(&flow->mod_hdr);
245
246 if (list_empty(next)) {
247 struct mlx5e_mod_hdr_entry *mh;
248
249 mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows);
250
251 mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id);
252 hash_del(&mh->mod_hdr_hlist);
253 kfree(mh);
254 }
255}
256
77ab67b7
OG		 257static
258struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex)
259{
260 struct net_device *netdev;
261 struct mlx5e_priv *priv;
262
263 netdev = __dev_get_by_index(net, ifindex);
264 priv = netdev_priv(netdev);
265 return priv->mdev;
266}
267
268static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp)
269{
270 u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0};
271 void *tirc;
272 int err;
273
274 err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn);
275 if (err)
276 goto alloc_tdn_err;
277
278 tirc = MLX5_ADDR_OF(create_tir_in, in, ctx);
279
280 MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT);
ddae74ac 281 MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]);
77ab67b7
OG		 282 MLX5_SET(tirc, tirc, transport_domain, hp->tdn);
283
284 err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn);
285 if (err)
286 goto create_tir_err;
287
288 return 0;
289
290create_tir_err:
291 mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn);
292alloc_tdn_err:
293 return err;
294}
295
296static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp)
297{
298 mlx5_core_destroy_tir(hp->func_mdev, hp->tirn);
299 mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn);
300}
301
3f6d08d1
OG		 302static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc)
303{
304 u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn;
305 struct mlx5e_priv *priv = hp->func_priv;
306 int i, ix, sz = MLX5E_INDIR_RQT_SIZE;
307
308 mlx5e_build_default_indir_rqt(indirection_rqt, sz,
309 hp->num_channels);
310
311 for (i = 0; i < sz; i++) {
312 ix = i;
313 if (priv->channels.params.rss_hfunc == ETH_RSS_HASH_XOR)
314 ix = mlx5e_bits_invert(i, ilog2(sz));
315 ix = indirection_rqt[ix];
316 rqn = hp->pair->rqn[ix];
317 MLX5_SET(rqtc, rqtc, rq_num[i], rqn);
318 }
319}
320
321static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp)
322{
323 int inlen, err, sz = MLX5E_INDIR_RQT_SIZE;
324 struct mlx5e_priv *priv = hp->func_priv;
325 struct mlx5_core_dev *mdev = priv->mdev;
326 void *rqtc;
327 u32 *in;
328
329 inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz;
330 in = kvzalloc(inlen, GFP_KERNEL);
331 if (!in)
332 return -ENOMEM;
333
334 rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context);
335
336 MLX5_SET(rqtc, rqtc, rqt_actual_size, sz);
337 MLX5_SET(rqtc, rqtc, rqt_max_size, sz);
338
339 mlx5e_hairpin_fill_rqt_rqns(hp, rqtc);
340
341 err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn);
342 if (!err)
343 hp->indir_rqt.enabled = true;
344
345 kvfree(in);
346 return err;
347}
348
349static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp)
350{
351 struct mlx5e_priv *priv = hp->func_priv;
352 u32 in[MLX5_ST_SZ_DW(create_tir_in)];
353 int tt, i, err;
354 void *tirc;
355
356 for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
357 memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in));
358 tirc = MLX5_ADDR_OF(create_tir_in, in, ctx);
359
360 MLX5_SET(tirc, tirc, transport_domain, hp->tdn);
361 MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT);
362 MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn);
363 mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, false);
364
365 err = mlx5_core_create_tir(hp->func_mdev, in,
366 MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]);
367 if (err) {
368 mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err);
369 goto err_destroy_tirs;
370 }
371 }
372 return 0;
373
374err_destroy_tirs:
375 for (i = 0; i < tt; i++)
376 mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]);
377 return err;
378}
379
380static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp)
381{
382 int tt;
383
384 for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++)
385 mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]);
386}
387
388static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp,
389 struct ttc_params *ttc_params)
390{
391 struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr;
392 int tt;
393
394 memset(ttc_params, 0, sizeof(*ttc_params));
395
396 ttc_params->any_tt_tirn = hp->tirn;
397
398 for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++)
399 ttc_params->indir_tirn[tt] = hp->indir_tirn[tt];
400
401 ft_attr->max_fte = MLX5E_NUM_TT;
402 ft_attr->level = MLX5E_TC_TTC_FT_LEVEL;
403 ft_attr->prio = MLX5E_TC_PRIO;
404}
405
406static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp)
407{
408 struct mlx5e_priv *priv = hp->func_priv;
409 struct ttc_params ttc_params;
410 int err;
411
412 err = mlx5e_hairpin_create_indirect_rqt(hp);
413 if (err)
414 return err;
415
416 err = mlx5e_hairpin_create_indirect_tirs(hp);
417 if (err)
418 goto err_create_indirect_tirs;
419
420 mlx5e_hairpin_set_ttc_params(hp, &ttc_params);
421 err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc);
422 if (err)
423 goto err_create_ttc_table;
424
425 netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n",
426 hp->num_channels, hp->ttc.ft.t->id);
427
428 return 0;
429
430err_create_ttc_table:
431 mlx5e_hairpin_destroy_indirect_tirs(hp);
432err_create_indirect_tirs:
433 mlx5e_destroy_rqt(priv, &hp->indir_rqt);
434
435 return err;
436}
437
438static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp)
439{
440 struct mlx5e_priv *priv = hp->func_priv;
441
442 mlx5e_destroy_ttc_table(priv, &hp->ttc);
443 mlx5e_hairpin_destroy_indirect_tirs(hp);
444 mlx5e_destroy_rqt(priv, &hp->indir_rqt);
445}
446
77ab67b7
OG		 447static struct mlx5e_hairpin *
448mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params,
449 int peer_ifindex)
450{
451 struct mlx5_core_dev *func_mdev, *peer_mdev;
452 struct mlx5e_hairpin *hp;
453 struct mlx5_hairpin *pair;
454 int err;
455
456 hp = kzalloc(sizeof(*hp), GFP_KERNEL);
457 if (!hp)
458 return ERR_PTR(-ENOMEM);
459
460 func_mdev = priv->mdev;
461 peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex);
462
463 pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params);
464 if (IS_ERR(pair)) {
465 err = PTR_ERR(pair);
466 goto create_pair_err;
467 }
468 hp->pair = pair;
469 hp->func_mdev = func_mdev;
3f6d08d1
OG		 470 hp->func_priv = priv;
471 hp->num_channels = params->num_channels;
77ab67b7
OG		 472
473 err = mlx5e_hairpin_create_transport(hp);
474 if (err)
475 goto create_transport_err;
476
3f6d08d1
OG		 477 if (hp->num_channels > 1) {
478 err = mlx5e_hairpin_rss_init(hp);
479 if (err)
480 goto rss_init_err;
481 }
482
77ab67b7
OG		 483 return hp;
484
3f6d08d1
OG		 485rss_init_err:
486 mlx5e_hairpin_destroy_transport(hp);
77ab67b7
OG		 487create_transport_err:
488 mlx5_core_hairpin_destroy(hp->pair);
489create_pair_err:
490 kfree(hp);
491 return ERR_PTR(err);
492}
493
494static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp)
495{
3f6d08d1
OG		 496 if (hp->num_channels > 1)
497 mlx5e_hairpin_rss_cleanup(hp);
77ab67b7
OG		 498 mlx5e_hairpin_destroy_transport(hp);
499 mlx5_core_hairpin_destroy(hp->pair);
500 kvfree(hp);
501}
502
106be53b
OG		 503static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio)
504{
505 return (peer_vhca_id << 16 | prio);
506}
507
5c65c564 508static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv,
106be53b 509 u16 peer_vhca_id, u8 prio)
5c65c564
OG		 510{
511 struct mlx5e_hairpin_entry *hpe;
106be53b 512 u32 hash_key = hash_hairpin_info(peer_vhca_id, prio);
5c65c564
OG		 513
514 hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe,
106be53b
OG		 515 hairpin_hlist, hash_key) {
516 if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio)
5c65c564
OG		 517 return hpe;
518 }
519
520 return NULL;
521}
522
106be53b
OG		 523#define UNKNOWN_MATCH_PRIO 8
524
525static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv,
526 struct mlx5_flow_spec *spec, u8 *match_prio)
527{
528 void *headers_c, *headers_v;
529 u8 prio_val, prio_mask = 0;
530 bool vlan_present;
531
532#ifdef CONFIG_MLX5_CORE_EN_DCB
533 if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) {
534 netdev_warn(priv->netdev,
535 "only PCP trust state supported for hairpin\n");
536 return -EOPNOTSUPP;
537 }
538#endif
539 headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers);
540 headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers);
541
542 vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag);
543 if (vlan_present) {
544 prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio);
545 prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio);
546 }
547
548 if (!vlan_present || !prio_mask) {
549 prio_val = UNKNOWN_MATCH_PRIO;
550 } else if (prio_mask != 0x7) {
551 netdev_warn(priv->netdev,
552 "masked priority match not supported for hairpin\n");
553 return -EOPNOTSUPP;
554 }
555
556 *match_prio = prio_val;
557 return 0;
558}
559
5c65c564
OG		 560static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv,
561 struct mlx5e_tc_flow *flow,
562 struct mlx5e_tc_flow_parse_attr *parse_attr)
563{
564 int peer_ifindex = parse_attr->mirred_ifindex;
565 struct mlx5_hairpin_params params;
d8822868 566 struct mlx5_core_dev *peer_mdev;
5c65c564
OG		 567 struct mlx5e_hairpin_entry *hpe;
568 struct mlx5e_hairpin *hp;
3f6d08d1
OG		 569 u64 link_speed64;
570 u32 link_speed;
106be53b 571 u8 match_prio;
d8822868 572 u16 peer_id;
5c65c564
OG		 573 int err;
574
d8822868
OG		 575 peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex);
576 if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) {
5c65c564
OG		 577 netdev_warn(priv->netdev, "hairpin is not supported\n");
578 return -EOPNOTSUPP;
579 }
580
d8822868 581 peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id);
106be53b
OG		 582 err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio);
583 if (err)
584 return err;
585 hpe = mlx5e_hairpin_get(priv, peer_id, match_prio);
5c65c564
OG		 586 if (hpe)
587 goto attach_flow;
588
589 hpe = kzalloc(sizeof(*hpe), GFP_KERNEL);
590 if (!hpe)
591 return -ENOMEM;
592
593 INIT_LIST_HEAD(&hpe->flows);
d8822868 594 hpe->peer_vhca_id = peer_id;
106be53b 595 hpe->prio = match_prio;
5c65c564
OG		 596
597 params.log_data_size = 15;
598 params.log_data_size = min_t(u8, params.log_data_size,
599 MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz));
600 params.log_data_size = max_t(u8, params.log_data_size,
601 MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz));
5c65c564 602
eb9180f7
OG		 603 params.log_num_packets = params.log_data_size -
604 MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev);
605 params.log_num_packets = min_t(u8, params.log_num_packets,
606 MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets));
607
608 params.q_counter = priv->q_counter;
3f6d08d1
OG		 609 /* set hairpin pair per each 50Gbs share of the link */
610 mlx5e_get_max_linkspeed(priv->mdev, &link_speed);
611 link_speed = max_t(u32, link_speed, 50000);
612 link_speed64 = link_speed;
613 do_div(link_speed64, 50000);
614 params.num_channels = link_speed64;
615
5c65c564
OG		 616 hp = mlx5e_hairpin_create(priv, &params, peer_ifindex);
617 if (IS_ERR(hp)) {
618 err = PTR_ERR(hp);
619 goto create_hairpin_err;
620 }
621
eb9180f7 622 netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n",
ddae74ac 623 hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name,
eb9180f7 624 hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets);
5c65c564
OG		 625
626 hpe->hp = hp;
106be53b
OG		 627 hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist,
628 hash_hairpin_info(peer_id, match_prio));
5c65c564
OG		 629
630attach_flow:
3f6d08d1
OG		 631 if (hpe->hp->num_channels > 1) {
632 flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS;
633 flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t;
634 } else {
635 flow->nic_attr->hairpin_tirn = hpe->hp->tirn;
636 }
5c65c564 637 list_add(&flow->hairpin, &hpe->flows);
3f6d08d1 638
5c65c564
OG		 639 return 0;
640
641create_hairpin_err:
642 kfree(hpe);
643 return err;
644}
645
646static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv,
647 struct mlx5e_tc_flow *flow)
648{
649 struct list_head *next = flow->hairpin.next;
650
651 list_del(&flow->hairpin);
652
653 /* no more hairpin flows for us, release the hairpin pair */
654 if (list_empty(next)) {
655 struct mlx5e_hairpin_entry *hpe;
656
657 hpe = list_entry(next, struct mlx5e_hairpin_entry, flows);
658
659 netdev_dbg(priv->netdev, "del hairpin: peer %s\n",
660 hpe->hp->pair->peer_mdev->priv.name);
661
662 mlx5e_hairpin_destroy(hpe->hp);
663 hash_del(&hpe->hairpin_hlist);
664 kfree(hpe);
665 }
666}
667
74491de9
MB		 668static struct mlx5_flow_handle *
669mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv,
17091853 670 struct mlx5e_tc_flow_parse_attr *parse_attr,
aa0cbbae 671 struct mlx5e_tc_flow *flow)
e8f887ac 672{
aa0cbbae 673 struct mlx5_nic_flow_attr *attr = flow->nic_attr;
aad7e08d 674 struct mlx5_core_dev *dev = priv->mdev;
5c65c564 675 struct mlx5_flow_destination dest[2] = {};
66958ed9 676 struct mlx5_flow_act flow_act = {
3bc4b7bf 677 .action = attr->action,
a9db0ecf 678 .has_flow_tag = true,
3bc4b7bf 679 .flow_tag = attr->flow_tag,
66958ed9
HHZ		 680 .encap_id = 0,
681 };
aad7e08d 682 struct mlx5_fc *counter = NULL;
74491de9 683 struct mlx5_flow_handle *rule;
e8f887ac 684 bool table_created = false;
5c65c564 685 int err, dest_ix = 0;
e8f887ac 686
3f6d08d1
OG		 687 if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) {
688 err = mlx5e_hairpin_flow_add(priv, flow, parse_attr);
689 if (err) {
690 rule = ERR_PTR(err);
691 goto err_add_hairpin_flow;
692 }
693 if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) {
694 dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
695 dest[dest_ix].ft = attr->hairpin_ft;
696 } else {
5c65c564
OG		 697 dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR;
698 dest[dest_ix].tir_num = attr->hairpin_tirn;
5c65c564
OG		 699 }
700 dest_ix++;
3f6d08d1
OG		 701 } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
702 dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
703 dest[dest_ix].ft = priv->fs.vlan.ft.t;
704 dest_ix++;
5c65c564 705 }
aad7e08d 706
5c65c564
OG		 707 if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
708 counter = mlx5_fc_create(dev, true);
709 if (IS_ERR(counter)) {
710 rule = ERR_CAST(counter);
711 goto err_fc_create;
712 }
713 dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
714 dest[dest_ix].counter = counter;
715 dest_ix++;
aad7e08d
AV		 716 }
717
2f4fe4ca 718 if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) {
3099eb5a 719 err = mlx5e_attach_mod_hdr(priv, flow, parse_attr);
d7e75a32 720 flow_act.modify_id = attr->mod_hdr_id;
2f4fe4ca
OG		 721 kfree(parse_attr->mod_hdr_actions);
722 if (err) {
723 rule = ERR_PTR(err);
724 goto err_create_mod_hdr_id;
725 }
726 }
727
acff797c 728 if (IS_ERR_OR_NULL(priv->fs.tc.t)) {
21b9c144
OG		 729 int tc_grp_size, tc_tbl_size;
730 u32 max_flow_counter;
731
732 max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) |
733 MLX5_CAP_GEN(dev, max_flow_counter_15_0);
734
735 tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE);
736
737 tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS,
738 BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size)));
739
acff797c
MG		 740 priv->fs.tc.t =
741 mlx5_create_auto_grouped_flow_table(priv->fs.ns,
742 MLX5E_TC_PRIO,
21b9c144 743 tc_tbl_size,
acff797c 744 MLX5E_TC_TABLE_NUM_GROUPS,
3f6d08d1 745 MLX5E_TC_FT_LEVEL, 0);
acff797c 746 if (IS_ERR(priv->fs.tc.t)) {
e8f887ac
AV		 747 netdev_err(priv->netdev,
748 "Failed to create tc offload table\n");
aad7e08d
AV		 749 rule = ERR_CAST(priv->fs.tc.t);
750 goto err_create_ft;
e8f887ac
AV		 751 }
752
753 table_created = true;
754 }
755
17091853
OG		 756 parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
757 rule = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec,
5c65c564 758 &flow_act, dest, dest_ix);
aad7e08d
AV		 759
760 if (IS_ERR(rule))
761 goto err_add_rule;
762
763 return rule;
e8f887ac 764
aad7e08d
AV		 765err_add_rule:
766 if (table_created) {
acff797c
MG		 767 mlx5_destroy_flow_table(priv->fs.tc.t);
768 priv->fs.tc.t = NULL;
e8f887ac 769 }
aad7e08d 770err_create_ft:
2f4fe4ca 771 if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
3099eb5a 772 mlx5e_detach_mod_hdr(priv, flow);
2f4fe4ca 773err_create_mod_hdr_id:
aad7e08d 774 mlx5_fc_destroy(dev, counter);
5c65c564
OG		 775err_fc_create:
776 if (flow->flags & MLX5E_TC_FLOW_HAIRPIN)
777 mlx5e_hairpin_flow_del(priv, flow);
778err_add_hairpin_flow:
e8f887ac
AV		 779 return rule;
780}
781
d85cdccb
OG		 782static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv,
783 struct mlx5e_tc_flow *flow)
784{
513f8f7f 785 struct mlx5_nic_flow_attr *attr = flow->nic_attr;
d85cdccb
OG		 786 struct mlx5_fc *counter = NULL;
787
aa0cbbae
OG		 788 counter = mlx5_flow_rule_counter(flow->rule);
789 mlx5_del_flow_rules(flow->rule);
790 mlx5_fc_destroy(priv->mdev, counter);
d85cdccb 791
b3a433de 792 if (!mlx5e_tc_num_filters(priv) && priv->fs.tc.t) {
d85cdccb
OG		 793 mlx5_destroy_flow_table(priv->fs.tc.t);
794 priv->fs.tc.t = NULL;
795 }
2f4fe4ca 796
513f8f7f 797 if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
3099eb5a 798 mlx5e_detach_mod_hdr(priv, flow);
5c65c564
OG		 799
800 if (flow->flags & MLX5E_TC_FLOW_HAIRPIN)
801 mlx5e_hairpin_flow_del(priv, flow);
d85cdccb
OG		 802}
803
aa0cbbae
OG		 804static void mlx5e_detach_encap(struct mlx5e_priv *priv,
805 struct mlx5e_tc_flow *flow);
806
3c37745e
OG		 807static int mlx5e_attach_encap(struct mlx5e_priv *priv,
808 struct ip_tunnel_info *tun_info,
809 struct net_device *mirred_dev,
810 struct net_device **encap_dev,
811 struct mlx5e_tc_flow *flow);
812
74491de9
MB		 813static struct mlx5_flow_handle *
814mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
17091853 815 struct mlx5e_tc_flow_parse_attr *parse_attr,
aa0cbbae 816 struct mlx5e_tc_flow *flow)
adb4c123
OG		 817{
818 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
aa0cbbae 819 struct mlx5_esw_flow_attr *attr = flow->esw_attr;
3c37745e
OG		 820 struct net_device *out_dev, *encap_dev = NULL;
821 struct mlx5_flow_handle *rule = NULL;
822 struct mlx5e_rep_priv *rpriv;
823 struct mlx5e_priv *out_priv;
8b32580d
OG		 824 int err;
825
3c37745e
OG		 826 if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) {
827 out_dev = __dev_get_by_index(dev_net(priv->netdev),
828 attr->parse_attr->mirred_ifindex);
829 err = mlx5e_attach_encap(priv, &parse_attr->tun_info,
830 out_dev, &encap_dev, flow);
831 if (err) {
832 rule = ERR_PTR(err);
833 if (err != -EAGAIN)
834 goto err_attach_encap;
835 }
836 out_priv = netdev_priv(encap_dev);
837 rpriv = out_priv->ppriv;
838 attr->out_rep = rpriv->rep;
839 }
840
8b32580d 841 err = mlx5_eswitch_add_vlan_action(esw, attr);
aa0cbbae
OG		 842 if (err) {
843 rule = ERR_PTR(err);
844 goto err_add_vlan;
845 }
adb4c123 846
d7e75a32 847 if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) {
1a9527bb 848 err = mlx5e_attach_mod_hdr(priv, flow, parse_attr);
d7e75a32
OG		 849 kfree(parse_attr->mod_hdr_actions);
850 if (err) {
851 rule = ERR_PTR(err);
852 goto err_mod_hdr;
853 }
854 }
855
3c37745e
OG		 856 /* we get here if (1) there's no error (rule being null) or when
857 * (2) there's an encap action and we're on -EAGAIN (no valid neigh)
858 */
859 if (rule != ERR_PTR(-EAGAIN)) {
860 rule = mlx5_eswitch_add_offloaded_rule(esw, &parse_attr->spec, attr);
861 if (IS_ERR(rule))
862 goto err_add_rule;
863 }
aa0cbbae
OG		 864 return rule;
865
866err_add_rule:
513f8f7f 867 if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
1a9527bb 868 mlx5e_detach_mod_hdr(priv, flow);
d7e75a32 869err_mod_hdr:
aa0cbbae
OG		 870 mlx5_eswitch_del_vlan_action(esw, attr);
871err_add_vlan:
872 if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)
873 mlx5e_detach_encap(priv, flow);
3c37745e 874err_attach_encap:
aa0cbbae
OG		 875 return rule;
876}
d85cdccb
OG		 877
878static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv,
879 struct mlx5e_tc_flow *flow)
880{
881 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
d7e75a32 882 struct mlx5_esw_flow_attr *attr = flow->esw_attr;
d85cdccb 883
232c0013
HHZ		 884 if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) {
885 flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED;
513f8f7f 886 mlx5_eswitch_del_offloaded_rule(esw, flow->rule, attr);
232c0013 887 }
d85cdccb 888
513f8f7f 889 mlx5_eswitch_del_vlan_action(esw, attr);
d85cdccb 890
513f8f7f 891 if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) {
d85cdccb 892 mlx5e_detach_encap(priv, flow);
513f8f7f 893 kvfree(attr->parse_attr);
232c0013 894 }
d7e75a32 895
513f8f7f 896 if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
1a9527bb 897 mlx5e_detach_mod_hdr(priv, flow);
d85cdccb
OG		 898}
899
232c0013
HHZ		 900void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv,
901 struct mlx5e_encap_entry *e)
902{
3c37745e
OG		 903 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
904 struct mlx5_esw_flow_attr *esw_attr;
232c0013
HHZ		 905 struct mlx5e_tc_flow *flow;
906 int err;
907
908 err = mlx5_encap_alloc(priv->mdev, e->tunnel_type,
909 e->encap_size, e->encap_header,
910 &e->encap_id);
911 if (err) {
912 mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n",
913 err);
914 return;
915 }
916 e->flags |= MLX5_ENCAP_ENTRY_VALID;
f6dfb4c3 917 mlx5e_rep_queue_neigh_stats_work(priv);
232c0013
HHZ		 918
919 list_for_each_entry(flow, &e->flows, encap) {
3c37745e
OG		 920 esw_attr = flow->esw_attr;
921 esw_attr->encap_id = e->encap_id;
922 flow->rule = mlx5_eswitch_add_offloaded_rule(esw, &esw_attr->parse_attr->spec, esw_attr);
232c0013
HHZ		 923 if (IS_ERR(flow->rule)) {
924 err = PTR_ERR(flow->rule);
925 mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n",
926 err);
927 continue;
928 }
929 flow->flags |= MLX5E_TC_FLOW_OFFLOADED;
930 }
931}
932
933void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv,
934 struct mlx5e_encap_entry *e)
935{
3c37745e 936 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
232c0013 937 struct mlx5e_tc_flow *flow;
232c0013
HHZ		 938
939 list_for_each_entry(flow, &e->flows, encap) {
940 if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) {
941 flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED;
3c37745e 942 mlx5_eswitch_del_offloaded_rule(esw, flow->rule, flow->esw_attr);
232c0013
HHZ		 943 }
944 }
945
946 if (e->flags & MLX5_ENCAP_ENTRY_VALID) {
947 e->flags &= ~MLX5_ENCAP_ENTRY_VALID;
948 mlx5_encap_dealloc(priv->mdev, e->encap_id);
949 }
950}
951
f6dfb4c3
HHZ		 952void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe)
953{
954 struct mlx5e_neigh *m_neigh = &nhe->m_neigh;
955 u64 bytes, packets, lastuse = 0;
956 struct mlx5e_tc_flow *flow;
957 struct mlx5e_encap_entry *e;
958 struct mlx5_fc *counter;
959 struct neigh_table *tbl;
960 bool neigh_used = false;
961 struct neighbour *n;
962
963 if (m_neigh->family == AF_INET)
964 tbl = &arp_tbl;
965#if IS_ENABLED(CONFIG_IPV6)
966 else if (m_neigh->family == AF_INET6)
423c9db2 967 tbl = &nd_tbl;
f6dfb4c3
HHZ		 968#endif
969 else
970 return;
971
972 list_for_each_entry(e, &nhe->encap_list, encap_list) {
973 if (!(e->flags & MLX5_ENCAP_ENTRY_VALID))
974 continue;
975 list_for_each_entry(flow, &e->flows, encap) {
976 if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) {
977 counter = mlx5_flow_rule_counter(flow->rule);
978 mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse);
979 if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) {
980 neigh_used = true;
981 break;
982 }
983 }
984 }
e36d4810
RD		 985 if (neigh_used)
986 break;
f6dfb4c3
HHZ		 987 }
988
989 if (neigh_used) {
990 nhe->reported_lastuse = jiffies;
991
992 /* find the relevant neigh according to the cached device and
993 * dst ip pair
994 */
995 n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev);
996 if (!n) {
997 WARN(1, "The neighbour already freed\n");
998 return;
999 }
1000
1001 neigh_event_send(n, NULL);
1002 neigh_release(n);
1003 }
1004}
1005
d85cdccb
OG		 1006static void mlx5e_detach_encap(struct mlx5e_priv *priv,
1007 struct mlx5e_tc_flow *flow)
1008{
5067b602
RD		 1009 struct list_head *next = flow->encap.next;
1010
1011 list_del(&flow->encap);
1012 if (list_empty(next)) {
c1ae1152 1013 struct mlx5e_encap_entry *e;
5067b602 1014
c1ae1152 1015 e = list_entry(next, struct mlx5e_encap_entry, flows);
232c0013
HHZ		 1016 mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e);
1017
1018 if (e->flags & MLX5_ENCAP_ENTRY_VALID)
5067b602 1019 mlx5_encap_dealloc(priv->mdev, e->encap_id);
232c0013 1020
cdc5a7f3 1021 hash_del_rcu(&e->encap_hlist);
232c0013 1022 kfree(e->encap_header);
5067b602
RD		 1023 kfree(e);
1024 }
1025}
1026
e8f887ac 1027static void mlx5e_tc_del_flow(struct mlx5e_priv *priv,
961e8979 1028 struct mlx5e_tc_flow *flow)
e8f887ac 1029{
d85cdccb
OG		 1030 if (flow->flags & MLX5E_TC_FLOW_ESWITCH)
1031 mlx5e_tc_del_fdb_flow(priv, flow);
1032 else
1033 mlx5e_tc_del_nic_flow(priv, flow);
e8f887ac
AV		 1034}
1035
bbd00f7e
HHZ		 1036static void parse_vxlan_attr(struct mlx5_flow_spec *spec,
1037 struct tc_cls_flower_offload *f)
1038{
1039 void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
1040 outer_headers);
1041 void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
1042 outer_headers);
1043 void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
1044 misc_parameters);
1045 void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
1046 misc_parameters);
1047
1048 MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_protocol);
1049 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP);
1050
1051 if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID)) {
1052 struct flow_dissector_key_keyid *key =
1053 skb_flow_dissector_target(f->dissector,
1054 FLOW_DISSECTOR_KEY_ENC_KEYID,
1055 f->key);
1056 struct flow_dissector_key_keyid *mask =
1057 skb_flow_dissector_target(f->dissector,
1058 FLOW_DISSECTOR_KEY_ENC_KEYID,
1059 f->mask);
1060 MLX5_SET(fte_match_set_misc, misc_c, vxlan_vni,
1061 be32_to_cpu(mask->keyid));
1062 MLX5_SET(fte_match_set_misc, misc_v, vxlan_vni,
1063 be32_to_cpu(key->keyid));
1064 }
1065}
1066
1067static int parse_tunnel_attr(struct mlx5e_priv *priv,
1068 struct mlx5_flow_spec *spec,
1069 struct tc_cls_flower_offload *f)
1070{
1071 void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
1072 outer_headers);
1073 void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
1074 outer_headers);
1075
2e72eb43
OG		 1076 struct flow_dissector_key_control *enc_control =
1077 skb_flow_dissector_target(f->dissector,
1078 FLOW_DISSECTOR_KEY_ENC_CONTROL,
1079 f->key);
1080
bbd00f7e
HHZ		 1081 if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) {
1082 struct flow_dissector_key_ports *key =
1083 skb_flow_dissector_target(f->dissector,
1084 FLOW_DISSECTOR_KEY_ENC_PORTS,
1085 f->key);
1086 struct flow_dissector_key_ports *mask =
1087 skb_flow_dissector_target(f->dissector,
1088 FLOW_DISSECTOR_KEY_ENC_PORTS,
1089 f->mask);
1ad9a00a 1090 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
a4b97ab4 1091 struct mlx5e_rep_priv *uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
5ed99fb4 1092 struct net_device *up_dev = uplink_rpriv->netdev;
1ad9a00a 1093 struct mlx5e_priv *up_priv = netdev_priv(up_dev);
bbd00f7e
HHZ		 1094
1095 /* Full udp dst port must be given */
1096 if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst)))
2fcd82e9 1097 goto vxlan_match_offload_err;
bbd00f7e 1098
1ad9a00a 1099 if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->dst)) &&
bbd00f7e
HHZ		 1100 MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap))
1101 parse_vxlan_attr(spec, f);
2fcd82e9
OG		 1102 else {
1103 netdev_warn(priv->netdev,
1104 "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->dst));
bbd00f7e 1105 return -EOPNOTSUPP;
2fcd82e9 1106 }
bbd00f7e
HHZ		 1107
1108 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
1109 udp_dport, ntohs(mask->dst));
1110 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
1111 udp_dport, ntohs(key->dst));
1112
cd377663
OG		 1113 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
1114 udp_sport, ntohs(mask->src));
1115 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
1116 udp_sport, ntohs(key->src));
bbd00f7e 1117 } else { /* udp dst port must be given */
2fcd82e9
OG		 1118vxlan_match_offload_err:
1119 netdev_warn(priv->netdev,
1120 "IP tunnel decap offload supported only for vxlan, must set UDP dport\n");
1121 return -EOPNOTSUPP;
bbd00f7e
HHZ		 1122 }
1123
2e72eb43 1124 if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) {
bbd00f7e
HHZ		 1125 struct flow_dissector_key_ipv4_addrs *key =
1126 skb_flow_dissector_target(f->dissector,
1127 FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS,
1128 f->key);
1129 struct flow_dissector_key_ipv4_addrs *mask =
1130 skb_flow_dissector_target(f->dissector,
1131 FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS,
1132 f->mask);
1133 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
1134 src_ipv4_src_ipv6.ipv4_layout.ipv4,
1135 ntohl(mask->src));
1136 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
1137 src_ipv4_src_ipv6.ipv4_layout.ipv4,
1138 ntohl(key->src));
1139
1140 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
1141 dst_ipv4_dst_ipv6.ipv4_layout.ipv4,
1142 ntohl(mask->dst));
1143 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
1144 dst_ipv4_dst_ipv6.ipv4_layout.ipv4,
1145 ntohl(key->dst));
bbd00f7e 1146
2e72eb43
OG		 1147 MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype);
1148 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP);
19f44401
OG		 1149 } else if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) {
1150 struct flow_dissector_key_ipv6_addrs *key =
1151 skb_flow_dissector_target(f->dissector,
1152 FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS,
1153 f->key);
1154 struct flow_dissector_key_ipv6_addrs *mask =
1155 skb_flow_dissector_target(f->dissector,
1156 FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS,
1157 f->mask);
1158
1159 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
1160 src_ipv4_src_ipv6.ipv6_layout.ipv6),
1161 &mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6));
1162 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
1163 src_ipv4_src_ipv6.ipv6_layout.ipv6),
1164 &key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6));
1165
1166 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
1167 dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
1168 &mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6));
1169 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
1170 dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
1171 &key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6));
1172
1173 MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype);
1174 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6);
2e72eb43 1175 }
bbd00f7e
HHZ		 1176
1177 /* Enforce DMAC when offloading incoming tunneled flows.
1178 * Flow counters require a match on the DMAC.
1179 */
1180 MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16);
1181 MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0);
1182 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
1183 dmac_47_16), priv->netdev->dev_addr);
1184
1185 /* let software handle IP fragments */
1186 MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1);
1187 MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0);
1188
1189 return 0;
1190}
1191
de0af0bf
RD		 1192static int __parse_cls_flower(struct mlx5e_priv *priv,
1193 struct mlx5_flow_spec *spec,
1194 struct tc_cls_flower_offload *f,
1195 u8 *min_inline)
e3a2b7ed 1196{
c5bb1730
MG		 1197 void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
1198 outer_headers);
1199 void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
1200 outer_headers);
e3a2b7ed
AV		 1201 u16 addr_type = 0;
1202 u8 ip_proto = 0;
1203
de0af0bf
RD		 1204 *min_inline = MLX5_INLINE_MODE_L2;
1205
e3a2b7ed
AV		 1206 if (f->dissector->used_keys &
1207 ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) |
1208 BIT(FLOW_DISSECTOR_KEY_BASIC) |
1209 BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) |
095b6cfd 1210 BIT(FLOW_DISSECTOR_KEY_VLAN) |
e3a2b7ed
AV		 1211 BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
1212 BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
bbd00f7e
HHZ		 1213 BIT(FLOW_DISSECTOR_KEY_PORTS) |
1214 BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) |
1215 BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) |
1216 BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) |
1217 BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) |
e77834ec 1218 BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) |
fd7da28b
OG		 1219 BIT(FLOW_DISSECTOR_KEY_TCP) |
1220 BIT(FLOW_DISSECTOR_KEY_IP))) {
e3a2b7ed
AV		 1221 netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n",
1222 f->dissector->used_keys);
1223 return -EOPNOTSUPP;
1224 }
1225
bbd00f7e
HHZ		 1226 if ((dissector_uses_key(f->dissector,
1227 FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) ||
1228 dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID) ||
1229 dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) &&
1230 dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_CONTROL)) {
1231 struct flow_dissector_key_control *key =
1232 skb_flow_dissector_target(f->dissector,
1233 FLOW_DISSECTOR_KEY_ENC_CONTROL,
1234 f->key);
1235 switch (key->addr_type) {
1236 case FLOW_DISSECTOR_KEY_IPV4_ADDRS:
19f44401 1237 case FLOW_DISSECTOR_KEY_IPV6_ADDRS:
bbd00f7e
HHZ		 1238 if (parse_tunnel_attr(priv, spec, f))
1239 return -EOPNOTSUPP;
1240 break;
1241 default:
1242 return -EOPNOTSUPP;
1243 }
1244
1245 /* In decap flow, header pointers should point to the inner
1246 * headers, outer header were already set by parse_tunnel_attr
1247 */
1248 headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
1249 inner_headers);
1250 headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
1251 inner_headers);
1252 }
1253
e3a2b7ed
AV		 1254 if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CONTROL)) {
1255 struct flow_dissector_key_control *key =
1256 skb_flow_dissector_target(f->dissector,
1dbd0d37 1257 FLOW_DISSECTOR_KEY_CONTROL,
e3a2b7ed 1258 f->key);
3f7d0eb4
OG		 1259
1260 struct flow_dissector_key_control *mask =
1261 skb_flow_dissector_target(f->dissector,
1262 FLOW_DISSECTOR_KEY_CONTROL,
1263 f->mask);
e3a2b7ed 1264 addr_type = key->addr_type;
3f7d0eb4 1265
f85900c3
RD		 1266 /* the HW doesn't support frag first/later */
1267 if (mask->flags & FLOW_DIS_FIRST_FRAG)
1268 return -EOPNOTSUPP;
1269
3f7d0eb4
OG		 1270 if (mask->flags & FLOW_DIS_IS_FRAGMENT) {
1271 MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1);
1272 MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag,
1273 key->flags & FLOW_DIS_IS_FRAGMENT);
0827444d
OG		 1274
1275 /* the HW doesn't need L3 inline to match on frag=no */
1276 if (key->flags & FLOW_DIS_IS_FRAGMENT)
1277 *min_inline = MLX5_INLINE_MODE_IP;
3f7d0eb4 1278 }
e3a2b7ed
AV		 1279 }
1280
1281 if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) {
1282 struct flow_dissector_key_basic *key =
1283 skb_flow_dissector_target(f->dissector,
1284 FLOW_DISSECTOR_KEY_BASIC,
1285 f->key);
1286 struct flow_dissector_key_basic *mask =
1287 skb_flow_dissector_target(f->dissector,
1288 FLOW_DISSECTOR_KEY_BASIC,
1289 f->mask);
1290 ip_proto = key->ip_proto;
1291
1292 MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype,
1293 ntohs(mask->n_proto));
1294 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
1295 ntohs(key->n_proto));
1296
1297 MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol,
1298 mask->ip_proto);
1299 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
1300 key->ip_proto);
de0af0bf
RD		 1301
1302 if (mask->ip_proto)
1303 *min_inline = MLX5_INLINE_MODE_IP;
e3a2b7ed
AV		 1304 }
1305
1306 if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
1307 struct flow_dissector_key_eth_addrs *key =
1308 skb_flow_dissector_target(f->dissector,
1309 FLOW_DISSECTOR_KEY_ETH_ADDRS,
1310 f->key);
1311 struct flow_dissector_key_eth_addrs *mask =
1312 skb_flow_dissector_target(f->dissector,
1313 FLOW_DISSECTOR_KEY_ETH_ADDRS,
1314 f->mask);
1315
1316 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
1317 dmac_47_16),
1318 mask->dst);
1319 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
1320 dmac_47_16),
1321 key->dst);
1322
1323 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
1324 smac_47_16),
1325 mask->src);
1326 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
1327 smac_47_16),
1328 key->src);
1329 }
1330
095b6cfd
OG		 1331 if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_VLAN)) {
1332 struct flow_dissector_key_vlan *key =
1333 skb_flow_dissector_target(f->dissector,
1334 FLOW_DISSECTOR_KEY_VLAN,
1335 f->key);
1336 struct flow_dissector_key_vlan *mask =
1337 skb_flow_dissector_target(f->dissector,
1338 FLOW_DISSECTOR_KEY_VLAN,
1339 f->mask);
358d79a4 1340 if (mask->vlan_id || mask->vlan_priority) {
10543365
MHY		 1341 MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1);
1342 MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag, 1);
095b6cfd
OG		 1343
1344 MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, mask->vlan_id);
1345 MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, key->vlan_id);
358d79a4
OG		 1346
1347 MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, mask->vlan_priority);
1348 MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, key->vlan_priority);
095b6cfd
OG		 1349 }
1350 }
1351
e3a2b7ed
AV		 1352 if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) {
1353 struct flow_dissector_key_ipv4_addrs *key =
1354 skb_flow_dissector_target(f->dissector,
1355 FLOW_DISSECTOR_KEY_IPV4_ADDRS,
1356 f->key);
1357 struct flow_dissector_key_ipv4_addrs *mask =
1358 skb_flow_dissector_target(f->dissector,
1359 FLOW_DISSECTOR_KEY_IPV4_ADDRS,
1360 f->mask);
1361
1362 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
1363 src_ipv4_src_ipv6.ipv4_layout.ipv4),
1364 &mask->src, sizeof(mask->src));
1365 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
1366 src_ipv4_src_ipv6.ipv4_layout.ipv4),
1367 &key->src, sizeof(key->src));
1368 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
1369 dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
1370 &mask->dst, sizeof(mask->dst));
1371 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
1372 dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
1373 &key->dst, sizeof(key->dst));
de0af0bf
RD		 1374
1375 if (mask->src || mask->dst)
1376 *min_inline = MLX5_INLINE_MODE_IP;
e3a2b7ed
AV		 1377 }
1378
1379 if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) {
1380 struct flow_dissector_key_ipv6_addrs *key =
1381 skb_flow_dissector_target(f->dissector,
1382 FLOW_DISSECTOR_KEY_IPV6_ADDRS,
1383 f->key);
1384 struct flow_dissector_key_ipv6_addrs *mask =
1385 skb_flow_dissector_target(f->dissector,
1386 FLOW_DISSECTOR_KEY_IPV6_ADDRS,
1387 f->mask);
1388
1389 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
1390 src_ipv4_src_ipv6.ipv6_layout.ipv6),
1391 &mask->src, sizeof(mask->src));
1392 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
1393 src_ipv4_src_ipv6.ipv6_layout.ipv6),
1394 &key->src, sizeof(key->src));
1395
1396 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
1397 dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
1398 &mask->dst, sizeof(mask->dst));
1399 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
1400 dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
1401 &key->dst, sizeof(key->dst));
de0af0bf
RD		 1402
1403 if (ipv6_addr_type(&mask->src) != IPV6_ADDR_ANY ||
1404 ipv6_addr_type(&mask->dst) != IPV6_ADDR_ANY)
1405 *min_inline = MLX5_INLINE_MODE_IP;
e3a2b7ed
AV		 1406 }
1407
1f97a526
OG		 1408 if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_IP)) {
1409 struct flow_dissector_key_ip *key =
1410 skb_flow_dissector_target(f->dissector,
1411 FLOW_DISSECTOR_KEY_IP,
1412 f->key);
1413 struct flow_dissector_key_ip *mask =
1414 skb_flow_dissector_target(f->dissector,
1415 FLOW_DISSECTOR_KEY_IP,
1416 f->mask);
1417
1418 MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3);
1419 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3);
1420
1421 MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2);
1422 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2);
1423
a8ade55f
OG		 1424 MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl);
1425 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl);
1f97a526 1426
a8ade55f
OG		 1427 if (mask->ttl &&
1428 !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev,
1429 ft_field_support.outer_ipv4_ttl))
1f97a526 1430 return -EOPNOTSUPP;
a8ade55f
OG		 1431
1432 if (mask->tos || mask->ttl)
1433 *min_inline = MLX5_INLINE_MODE_IP;
1f97a526
OG		 1434 }
1435
e3a2b7ed
AV		 1436 if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_PORTS)) {
1437 struct flow_dissector_key_ports *key =
1438 skb_flow_dissector_target(f->dissector,
1439 FLOW_DISSECTOR_KEY_PORTS,
1440 f->key);
1441 struct flow_dissector_key_ports *mask =
1442 skb_flow_dissector_target(f->dissector,
1443 FLOW_DISSECTOR_KEY_PORTS,
1444 f->mask);
1445 switch (ip_proto) {
1446 case IPPROTO_TCP:
1447 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
1448 tcp_sport, ntohs(mask->src));
1449 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
1450 tcp_sport, ntohs(key->src));
1451
1452 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
1453 tcp_dport, ntohs(mask->dst));
1454 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
1455 tcp_dport, ntohs(key->dst));
1456 break;
1457
1458 case IPPROTO_UDP:
1459 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
1460 udp_sport, ntohs(mask->src));
1461 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
1462 udp_sport, ntohs(key->src));
1463
1464 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
1465 udp_dport, ntohs(mask->dst));
1466 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
1467 udp_dport, ntohs(key->dst));
1468 break;
1469 default:
1470 netdev_err(priv->netdev,
1471 "Only UDP and TCP transport are supported\n");
1472 return -EINVAL;
1473 }
de0af0bf
RD		 1474
1475 if (mask->src || mask->dst)
1476 *min_inline = MLX5_INLINE_MODE_TCP_UDP;
e3a2b7ed
AV		 1477 }
1478
e77834ec
OG		 1479 if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_TCP)) {
1480 struct flow_dissector_key_tcp *key =
1481 skb_flow_dissector_target(f->dissector,
1482 FLOW_DISSECTOR_KEY_TCP,
1483 f->key);
1484 struct flow_dissector_key_tcp *mask =
1485 skb_flow_dissector_target(f->dissector,
1486 FLOW_DISSECTOR_KEY_TCP,
1487 f->mask);
1488
1489 MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags,
1490 ntohs(mask->flags));
1491 MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags,
1492 ntohs(key->flags));
1493
1494 if (mask->flags)
1495 *min_inline = MLX5_INLINE_MODE_TCP_UDP;
1496 }
1497
e3a2b7ed
AV		 1498 return 0;
1499}
1500
de0af0bf 1501static int parse_cls_flower(struct mlx5e_priv *priv,
65ba8fb7 1502 struct mlx5e_tc_flow *flow,
de0af0bf
RD		 1503 struct mlx5_flow_spec *spec,
1504 struct tc_cls_flower_offload *f)
1505{
1506 struct mlx5_core_dev *dev = priv->mdev;
1507 struct mlx5_eswitch *esw = dev->priv.eswitch;
1d447a39
SM		 1508 struct mlx5e_rep_priv *rpriv = priv->ppriv;
1509 struct mlx5_eswitch_rep *rep;
de0af0bf
RD		 1510 u8 min_inline;
1511 int err;
1512
1513 err = __parse_cls_flower(priv, spec, f, &min_inline);
1514
1d447a39
SM		 1515 if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) {
1516 rep = rpriv->rep;
1517 if (rep->vport != FDB_UPLINK_VPORT &&
1518 (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE &&
1519 esw->offloads.inline_mode < min_inline)) {
de0af0bf
RD		 1520 netdev_warn(priv->netdev,
1521 "Flow is not offloaded due to min inline setting, required %d actual %d\n",
1522 min_inline, esw->offloads.inline_mode);
1523 return -EOPNOTSUPP;
1524 }
1525 }
1526
1527 return err;
1528}
1529
d79b6df6
OG		 1530struct pedit_headers {
1531 struct ethhdr eth;
1532 struct iphdr ip4;
1533 struct ipv6hdr ip6;
1534 struct tcphdr tcp;
1535 struct udphdr udp;
1536};
1537
1538static int pedit_header_offsets[] = {
1539 [TCA_PEDIT_KEY_EX_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth),
1540 [TCA_PEDIT_KEY_EX_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4),
1541 [TCA_PEDIT_KEY_EX_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6),
1542 [TCA_PEDIT_KEY_EX_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp),
1543 [TCA_PEDIT_KEY_EX_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp),
1544};
1545
1546#define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype])
1547
1548static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset,
1549 struct pedit_headers *masks,
1550 struct pedit_headers *vals)
1551{
1552 u32 *curr_pmask, *curr_pval;
1553
1554 if (hdr_type >= __PEDIT_HDR_TYPE_MAX)
1555 goto out_err;
1556
1557 curr_pmask = (u32 *)(pedit_header(masks, hdr_type) + offset);
1558 curr_pval = (u32 *)(pedit_header(vals, hdr_type) + offset);
1559
1560 if (*curr_pmask & mask) /* disallow acting twice on the same location */
1561 goto out_err;
1562
1563 *curr_pmask |= mask;
1564 *curr_pval |= (val & mask);
1565
1566 return 0;
1567
1568out_err:
1569 return -EOPNOTSUPP;
1570}
1571
1572struct mlx5_fields {
1573 u8 field;
1574 u8 size;
1575 u32 offset;
1576};
1577
a8e4f0c4
OG		 1578#define OFFLOAD(fw_field, size, field, off) \
1579 {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)}
1580
d79b6df6 1581static struct mlx5_fields fields[] = {
a8e4f0c4
OG		 1582 OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0),
1583 OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0),
1584 OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0),
1585 OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0),
1586 OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0),
1587
1588 OFFLOAD(IP_TTL, 1, ip4.ttl, 0),
1589 OFFLOAD(SIPV4, 4, ip4.saddr, 0),
1590 OFFLOAD(DIPV4, 4, ip4.daddr, 0),
1591
1592 OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0),
1593 OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0),
1594 OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0),
1595 OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0),
1596 OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0),
1597 OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0),
1598 OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0),
1599 OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0),
0c0316f5 1600 OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0),
a8e4f0c4
OG		 1601
1602 OFFLOAD(TCP_SPORT, 2, tcp.source, 0),
1603 OFFLOAD(TCP_DPORT, 2, tcp.dest, 0),
1604 OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5),
1605
1606 OFFLOAD(UDP_SPORT, 2, udp.source, 0),
1607 OFFLOAD(UDP_DPORT, 2, udp.dest, 0),
d79b6df6
OG		 1608};
1609
1610/* On input attr->num_mod_hdr_actions tells how many HW actions can be parsed at
1611 * max from the SW pedit action. On success, it says how many HW actions were
1612 * actually parsed.
1613 */
1614static int offload_pedit_fields(struct pedit_headers *masks,
1615 struct pedit_headers *vals,
1616 struct mlx5e_tc_flow_parse_attr *parse_attr)
1617{
1618 struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals;
2b64beba 1619 int i, action_size, nactions, max_actions, first, last, next_z;
d79b6df6 1620 void *s_masks_p, *a_masks_p, *vals_p;
d79b6df6
OG		 1621 struct mlx5_fields *f;
1622 u8 cmd, field_bsize;
e3ca4e05 1623 u32 s_mask, a_mask;
d79b6df6 1624 unsigned long mask;
2b64beba
OG		 1625 __be32 mask_be32;
1626 __be16 mask_be16;
d79b6df6
OG		 1627 void *action;
1628
1629 set_masks = &masks[TCA_PEDIT_KEY_EX_CMD_SET];
1630 add_masks = &masks[TCA_PEDIT_KEY_EX_CMD_ADD];
1631 set_vals = &vals[TCA_PEDIT_KEY_EX_CMD_SET];
1632 add_vals = &vals[TCA_PEDIT_KEY_EX_CMD_ADD];
1633
1634 action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto);
1635 action = parse_attr->mod_hdr_actions;
1636 max_actions = parse_attr->num_mod_hdr_actions;
1637 nactions = 0;
1638
1639 for (i = 0; i < ARRAY_SIZE(fields); i++) {
1640 f = &fields[i];
1641 /* avoid seeing bits set from previous iterations */
e3ca4e05
OG		 1642 s_mask = 0;
1643 a_mask = 0;
d79b6df6
OG		 1644
1645 s_masks_p = (void *)set_masks + f->offset;
1646 a_masks_p = (void *)add_masks + f->offset;
1647
1648 memcpy(&s_mask, s_masks_p, f->size);
1649 memcpy(&a_mask, a_masks_p, f->size);
1650
1651 if (!s_mask && !a_mask) /* nothing to offload here */
1652 continue;
1653
1654 if (s_mask && a_mask) {
1655 printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field);
1656 return -EOPNOTSUPP;
1657 }
1658
1659 if (nactions == max_actions) {
1660 printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions);
1661 return -EOPNOTSUPP;
1662 }
1663
1664 if (s_mask) {
1665 cmd = MLX5_ACTION_TYPE_SET;
1666 mask = s_mask;
1667 vals_p = (void *)set_vals + f->offset;
1668 /* clear to denote we consumed this field */
1669 memset(s_masks_p, 0, f->size);
1670 } else {
1671 cmd = MLX5_ACTION_TYPE_ADD;
1672 mask = a_mask;
1673 vals_p = (void *)add_vals + f->offset;
1674 /* clear to denote we consumed this field */
1675 memset(a_masks_p, 0, f->size);
1676 }
1677
d79b6df6 1678 field_bsize = f->size * BITS_PER_BYTE;
e3ca4e05 1679
2b64beba
OG		 1680 if (field_bsize == 32) {
1681 mask_be32 = *(__be32 *)&mask;
1682 mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32));
1683 } else if (field_bsize == 16) {
1684 mask_be16 = *(__be16 *)&mask;
1685 mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16));
1686 }
1687
d79b6df6 1688 first = find_first_bit(&mask, field_bsize);
2b64beba 1689 next_z = find_next_zero_bit(&mask, field_bsize, first);
d79b6df6 1690 last = find_last_bit(&mask, field_bsize);
2b64beba
OG		 1691 if (first < next_z && next_z < last) {
1692 printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n",
d79b6df6
OG		 1693 mask);
1694 return -EOPNOTSUPP;
1695 }
1696
1697 MLX5_SET(set_action_in, action, action_type, cmd);
1698 MLX5_SET(set_action_in, action, field, f->field);
1699
1700 if (cmd == MLX5_ACTION_TYPE_SET) {
2b64beba 1701 MLX5_SET(set_action_in, action, offset, first);
d79b6df6 1702 /* length is num of bits to be written, zero means length of 32 */
2b64beba 1703 MLX5_SET(set_action_in, action, length, (last - first + 1));
d79b6df6
OG		 1704 }
1705
1706 if (field_bsize == 32)
2b64beba 1707 MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first);
d79b6df6 1708 else if (field_bsize == 16)
2b64beba 1709 MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first);
d79b6df6 1710 else if (field_bsize == 8)
2b64beba 1711 MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first);
d79b6df6
OG		 1712
1713 action += action_size;
1714 nactions++;
1715 }
1716
1717 parse_attr->num_mod_hdr_actions = nactions;
1718 return 0;
1719}
1720
1721static int alloc_mod_hdr_actions(struct mlx5e_priv *priv,
1722 const struct tc_action *a, int namespace,
1723 struct mlx5e_tc_flow_parse_attr *parse_attr)
1724{
1725 int nkeys, action_size, max_actions;
1726
1727 nkeys = tcf_pedit_nkeys(a);
1728 action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto);
1729
1730 if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */
1731 max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions);
1732 else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */
1733 max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions);
1734
1735 /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */
1736 max_actions = min(max_actions, nkeys * 16);
1737
1738 parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL);
1739 if (!parse_attr->mod_hdr_actions)
1740 return -ENOMEM;
1741
1742 parse_attr->num_mod_hdr_actions = max_actions;
1743 return 0;
1744}
1745
1746static const struct pedit_headers zero_masks = {};
1747
1748static int parse_tc_pedit_action(struct mlx5e_priv *priv,
1749 const struct tc_action *a, int namespace,
1750 struct mlx5e_tc_flow_parse_attr *parse_attr)
1751{
1752 struct pedit_headers masks[__PEDIT_CMD_MAX], vals[__PEDIT_CMD_MAX], *cmd_masks;
1753 int nkeys, i, err = -EOPNOTSUPP;
1754 u32 mask, val, offset;
1755 u8 cmd, htype;
1756
1757 nkeys = tcf_pedit_nkeys(a);
1758
1759 memset(masks, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX);
1760 memset(vals, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX);
1761
1762 for (i = 0; i < nkeys; i++) {
1763 htype = tcf_pedit_htype(a, i);
1764 cmd = tcf_pedit_cmd(a, i);
1765 err = -EOPNOTSUPP; /* can't be all optimistic */
1766
1767 if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK) {
b3a433de 1768 netdev_warn(priv->netdev, "legacy pedit isn't offloaded\n");
d79b6df6
OG		 1769 goto out_err;
1770 }
1771
1772 if (cmd != TCA_PEDIT_KEY_EX_CMD_SET && cmd != TCA_PEDIT_KEY_EX_CMD_ADD) {
b3a433de 1773 netdev_warn(priv->netdev, "pedit cmd %d isn't offloaded\n", cmd);
d79b6df6
OG		 1774 goto out_err;
1775 }
1776
1777 mask = tcf_pedit_mask(a, i);
1778 val = tcf_pedit_val(a, i);
1779 offset = tcf_pedit_offset(a, i);
1780
1781 err = set_pedit_val(htype, ~mask, val, offset, &masks[cmd], &vals[cmd]);
1782 if (err)
1783 goto out_err;
1784 }
1785
1786 err = alloc_mod_hdr_actions(priv, a, namespace, parse_attr);
1787 if (err)
1788 goto out_err;
1789
1790 err = offload_pedit_fields(masks, vals, parse_attr);
1791 if (err < 0)
1792 goto out_dealloc_parsed_actions;
1793
1794 for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) {
1795 cmd_masks = &masks[cmd];
1796 if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) {
b3a433de 1797 netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd);
d79b6df6
OG		 1798 print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS,
1799 16, 1, cmd_masks, sizeof(zero_masks), true);
1800 err = -EOPNOTSUPP;
1801 goto out_dealloc_parsed_actions;
1802 }
1803 }
1804
1805 return 0;
1806
1807out_dealloc_parsed_actions:
1808 kfree(parse_attr->mod_hdr_actions);
1809out_err:
1810 return err;
1811}
1812
26c02749
OG		 1813static bool csum_offload_supported(struct mlx5e_priv *priv, u32 action, u32 update_flags)
1814{
1815 u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP |
1816 TCA_CSUM_UPDATE_FLAG_UDP;
1817
1818 /* The HW recalcs checksums only if re-writing headers */
1819 if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) {
1820 netdev_warn(priv->netdev,
1821 "TC csum action is only offloaded with pedit\n");
1822 return false;
1823 }
1824
1825 if (update_flags & ~prot_flags) {
1826 netdev_warn(priv->netdev,
1827 "can't offload TC csum action for some header/s - flags %#x\n",
1828 update_flags);
1829 return false;
1830 }
1831
1832 return true;
1833}
1834
bdd66ac0
OG		 1835static bool modify_header_match_supported(struct mlx5_flow_spec *spec,
1836 struct tcf_exts *exts)
1837{
1838 const struct tc_action *a;
1839 bool modify_ip_header;
1840 LIST_HEAD(actions);
1841 u8 htype, ip_proto;
1842 void *headers_v;
1843 u16 ethertype;
1844 int nkeys, i;
1845
1846 headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers);
1847 ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype);
1848
1849 /* for non-IP we only re-write MACs, so we're okay */
1850 if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6)
1851 goto out_ok;
1852
1853 modify_ip_header = false;
1854 tcf_exts_to_list(exts, &actions);
1855 list_for_each_entry(a, &actions, list) {
1856 if (!is_tcf_pedit(a))
1857 continue;
1858
1859 nkeys = tcf_pedit_nkeys(a);
1860 for (i = 0; i < nkeys; i++) {
1861 htype = tcf_pedit_htype(a, i);
1862 if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP4 ||
1863 htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP6) {
1864 modify_ip_header = true;
1865 break;
1866 }
1867 }
1868 }
1869
1870 ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol);
1ccef350
JL		 1871 if (modify_ip_header && ip_proto != IPPROTO_TCP &&
1872 ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) {
bdd66ac0
OG		 1873 pr_info("can't offload re-write of ip proto %d\n", ip_proto);
1874 return false;
1875 }
1876
1877out_ok:
1878 return true;
1879}
1880
1881static bool actions_match_supported(struct mlx5e_priv *priv,
1882 struct tcf_exts *exts,
1883 struct mlx5e_tc_flow_parse_attr *parse_attr,
1884 struct mlx5e_tc_flow *flow)
1885{
1886 u32 actions;
1887
1888 if (flow->flags & MLX5E_TC_FLOW_ESWITCH)
1889 actions = flow->esw_attr->action;
1890 else
1891 actions = flow->nic_attr->action;
1892
1893 if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
1894 return modify_header_match_supported(&parse_attr->spec, exts);
1895
1896 return true;
1897}
1898
5c65c564
OG		 1899static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv)
1900{
1901 struct mlx5_core_dev *fmdev, *pmdev;
1902 u16 func_id, peer_id;
1903
1904 fmdev = priv->mdev;
1905 pmdev = peer_priv->mdev;
1906
1907 func_id = (u16)((fmdev->pdev->bus->number << 8) | PCI_SLOT(fmdev->pdev->devfn));
1908 peer_id = (u16)((pmdev->pdev->bus->number << 8) | PCI_SLOT(pmdev->pdev->devfn));
1909
1910 return (func_id == peer_id);
1911}
1912
5c40348c 1913static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts,
aa0cbbae
OG		 1914 struct mlx5e_tc_flow_parse_attr *parse_attr,
1915 struct mlx5e_tc_flow *flow)
e3a2b7ed 1916{
aa0cbbae 1917 struct mlx5_nic_flow_attr *attr = flow->nic_attr;
e3a2b7ed 1918 const struct tc_action *a;
22dc13c8 1919 LIST_HEAD(actions);
2f4fe4ca 1920 int err;
e3a2b7ed 1921
3bcc0cec 1922 if (!tcf_exts_has_actions(exts))
e3a2b7ed
AV		 1923 return -EINVAL;
1924
3bc4b7bf 1925 attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG;
e3a2b7ed 1926
22dc13c8
WC		 1927 tcf_exts_to_list(exts, &actions);
1928 list_for_each_entry(a, &actions, list) {
e3a2b7ed 1929 if (is_tcf_gact_shot(a)) {
3bc4b7bf 1930 attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP;
aad7e08d
AV		 1931 if (MLX5_CAP_FLOWTABLE(priv->mdev,
1932 flow_table_properties_nic_receive.flow_counter))
3bc4b7bf 1933 attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
e3a2b7ed
AV		 1934 continue;
1935 }
1936
2f4fe4ca
OG		 1937 if (is_tcf_pedit(a)) {
1938 err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_KERNEL,
1939 parse_attr);
1940 if (err)
1941 return err;
1942
1943 attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR |
1944 MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
1945 continue;
1946 }
1947
26c02749
OG		 1948 if (is_tcf_csum(a)) {
1949 if (csum_offload_supported(priv, attr->action,
1950 tcf_csum_update_flags(a)))
1951 continue;
1952
1953 return -EOPNOTSUPP;
1954 }
1955
5c65c564
OG		 1956 if (is_tcf_mirred_egress_redirect(a)) {
1957 struct net_device *peer_dev = tcf_mirred_dev(a);
1958
1959 if (priv->netdev->netdev_ops == peer_dev->netdev_ops &&
1960 same_hw_devs(priv, netdev_priv(peer_dev))) {
1961 parse_attr->mirred_ifindex = peer_dev->ifindex;
1962 flow->flags |= MLX5E_TC_FLOW_HAIRPIN;
1963 attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
1964 MLX5_FLOW_CONTEXT_ACTION_COUNT;
1965 } else {
1966 netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n",
1967 peer_dev->name);
1968 return -EINVAL;
1969 }
1970 continue;
1971 }
1972
e3a2b7ed
AV		 1973 if (is_tcf_skbedit_mark(a)) {
1974 u32 mark = tcf_skbedit_mark(a);
1975
1976 if (mark & ~MLX5E_TC_FLOW_ID_MASK) {
1977 netdev_warn(priv->netdev, "Bad flow mark - only 16 bit is supported: 0x%x\n",
1978 mark);
1979 return -EINVAL;
1980 }
1981
3bc4b7bf
OG		 1982 attr->flow_tag = mark;
1983 attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
e3a2b7ed
AV		 1984 continue;
1985 }
1986
1987 return -EINVAL;
1988 }
1989
bdd66ac0
OG		 1990 if (!actions_match_supported(priv, exts, parse_attr, flow))
1991 return -EOPNOTSUPP;
1992
e3a2b7ed
AV		 1993 return 0;
1994}
1995
76f7444d
OG		 1996static inline int cmp_encap_info(struct ip_tunnel_key *a,
1997 struct ip_tunnel_key *b)
a54e20b4
HHZ		 1998{
1999 return memcmp(a, b, sizeof(*a));
2000}
2001
76f7444d 2002static inline int hash_encap_info(struct ip_tunnel_key *key)
a54e20b4 2003{
76f7444d 2004 return jhash(key, sizeof(*key), 0);
a54e20b4
HHZ		 2005}
2006
2007static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv,
2008 struct net_device *mirred_dev,
2009 struct net_device **out_dev,
2010 struct flowi4 *fl4,
2011 struct neighbour **out_n,
a54e20b4
HHZ		 2012 int *out_ttl)
2013{
3e621b19 2014 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
5ed99fb4 2015 struct mlx5e_rep_priv *uplink_rpriv;
a54e20b4
HHZ		 2016 struct rtable *rt;
2017 struct neighbour *n = NULL;
a54e20b4
HHZ		 2018
2019#if IS_ENABLED(CONFIG_INET)
abeffce9
AB		 2020 int ret;
2021
a54e20b4 2022 rt = ip_route_output_key(dev_net(mirred_dev), fl4);
abeffce9
AB		 2023 ret = PTR_ERR_OR_ZERO(rt);
2024 if (ret)
2025 return ret;
a54e20b4
HHZ		 2026#else
2027 return -EOPNOTSUPP;
2028#endif
a4b97ab4 2029 uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
3e621b19
HHZ		 2030 /* if the egress device isn't on the same HW e-switch, we use the uplink */
2031 if (!switchdev_port_same_parent_id(priv->netdev, rt->dst.dev))
5ed99fb4 2032 *out_dev = uplink_rpriv->netdev;
3e621b19
HHZ		 2033 else
2034 *out_dev = rt->dst.dev;
a54e20b4 2035
75c33da8 2036 *out_ttl = ip4_dst_hoplimit(&rt->dst);
a54e20b4
HHZ		 2037 n = dst_neigh_lookup(&rt->dst, &fl4->daddr);
2038 ip_rt_put(rt);
2039 if (!n)
2040 return -ENOMEM;
2041
2042 *out_n = n;
a54e20b4
HHZ		 2043 return 0;
2044}
2045
ce99f6b9
OG		 2046static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv,
2047 struct net_device *mirred_dev,
2048 struct net_device **out_dev,
2049 struct flowi6 *fl6,
2050 struct neighbour **out_n,
2051 int *out_ttl)
2052{
2053 struct neighbour *n = NULL;
2054 struct dst_entry *dst;
2055
2056#if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6)
74bd5d56 2057 struct mlx5e_rep_priv *uplink_rpriv;
ce99f6b9
OG		 2058 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
2059 int ret;
2060
08820528
PB		 2061 ret = ipv6_stub->ipv6_dst_lookup(dev_net(mirred_dev), NULL, &dst,
2062 fl6);
2063 if (ret < 0)
ce99f6b9 2064 return ret;
ce99f6b9
OG		 2065
2066 *out_ttl = ip6_dst_hoplimit(dst);
2067
a4b97ab4 2068 uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
ce99f6b9
OG		 2069 /* if the egress device isn't on the same HW e-switch, we use the uplink */
2070 if (!switchdev_port_same_parent_id(priv->netdev, dst->dev))
5ed99fb4 2071 *out_dev = uplink_rpriv->netdev;
ce99f6b9
OG		 2072 else
2073 *out_dev = dst->dev;
2074#else
2075 return -EOPNOTSUPP;
2076#endif
2077
2078 n = dst_neigh_lookup(dst, &fl6->daddr);
2079 dst_release(dst);
2080 if (!n)
2081 return -ENOMEM;
2082
2083 *out_n = n;
2084 return 0;
2085}
2086
32f3671f
OG		 2087static void gen_vxlan_header_ipv4(struct net_device *out_dev,
2088 char buf[], int encap_size,
2089 unsigned char h_dest[ETH_ALEN],
2090 int ttl,
2091 __be32 daddr,
2092 __be32 saddr,
2093 __be16 udp_dst_port,
2094 __be32 vx_vni)
a54e20b4 2095{
a54e20b4
HHZ		 2096 struct ethhdr *eth = (struct ethhdr *)buf;
2097 struct iphdr *ip = (struct iphdr *)((char *)eth + sizeof(struct ethhdr));
2098 struct udphdr *udp = (struct udphdr *)((char *)ip + sizeof(struct iphdr));
2099 struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr));
2100
2101 memset(buf, 0, encap_size);
2102
2103 ether_addr_copy(eth->h_dest, h_dest);
2104 ether_addr_copy(eth->h_source, out_dev->dev_addr);
2105 eth->h_proto = htons(ETH_P_IP);
2106
2107 ip->daddr = daddr;
2108 ip->saddr = saddr;
2109
2110 ip->ttl = ttl;
2111 ip->protocol = IPPROTO_UDP;
2112 ip->version = 0x4;
2113 ip->ihl = 0x5;
2114
2115 udp->dest = udp_dst_port;
2116 vxh->vx_flags = VXLAN_HF_VNI;
2117 vxh->vx_vni = vxlan_vni_field(vx_vni);
a54e20b4
HHZ		 2118}
2119
225aabaf
OG		 2120static void gen_vxlan_header_ipv6(struct net_device *out_dev,
2121 char buf[], int encap_size,
2122 unsigned char h_dest[ETH_ALEN],
2123 int ttl,
2124 struct in6_addr *daddr,
2125 struct in6_addr *saddr,
2126 __be16 udp_dst_port,
2127 __be32 vx_vni)
ce99f6b9 2128{
ce99f6b9
OG		 2129 struct ethhdr *eth = (struct ethhdr *)buf;
2130 struct ipv6hdr *ip6h = (struct ipv6hdr *)((char *)eth + sizeof(struct ethhdr));
2131 struct udphdr *udp = (struct udphdr *)((char *)ip6h + sizeof(struct ipv6hdr));
2132 struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr));
2133
2134 memset(buf, 0, encap_size);
2135
2136 ether_addr_copy(eth->h_dest, h_dest);
2137 ether_addr_copy(eth->h_source, out_dev->dev_addr);
2138 eth->h_proto = htons(ETH_P_IPV6);
2139
2140 ip6_flow_hdr(ip6h, 0, 0);
2141 /* the HW fills up ipv6 payload len */
2142 ip6h->nexthdr = IPPROTO_UDP;
2143 ip6h->hop_limit = ttl;
2144 ip6h->daddr = *daddr;
2145 ip6h->saddr = *saddr;
2146
2147 udp->dest = udp_dst_port;
2148 vxh->vx_flags = VXLAN_HF_VNI;
2149 vxh->vx_vni = vxlan_vni_field(vx_vni);
ce99f6b9
OG		 2150}
2151
a54e20b4
HHZ		 2152static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv,
2153 struct net_device *mirred_dev,
1a8552bd 2154 struct mlx5e_encap_entry *e)
a54e20b4
HHZ		 2155{
2156 int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size);
32f3671f 2157 int ipv4_encap_size = ETH_HLEN + sizeof(struct iphdr) + VXLAN_HLEN;
76f7444d 2158 struct ip_tunnel_key *tun_key = &e->tun_info.key;
1a8552bd 2159 struct net_device *out_dev;
a42485eb 2160 struct neighbour *n = NULL;
a54e20b4 2161 struct flowi4 fl4 = {};
a54e20b4 2162 char *encap_header;
32f3671f 2163 int ttl, err;
033354d5 2164 u8 nud_state;
32f3671f
OG		 2165
2166 if (max_encap_size < ipv4_encap_size) {
2167 mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n",
2168 ipv4_encap_size, max_encap_size);
2169 return -EOPNOTSUPP;
2170 }
a54e20b4 2171
32f3671f 2172 encap_header = kzalloc(ipv4_encap_size, GFP_KERNEL);
a54e20b4
HHZ		 2173 if (!encap_header)
2174 return -ENOMEM;
2175
2176 switch (e->tunnel_type) {
2177 case MLX5_HEADER_TYPE_VXLAN:
2178 fl4.flowi4_proto = IPPROTO_UDP;
76f7444d 2179 fl4.fl4_dport = tun_key->tp_dst;
a54e20b4
HHZ		 2180 break;
2181 default:
2182 err = -EOPNOTSUPP;
ace74321 2183 goto free_encap;
a54e20b4 2184 }
9a941117 2185 fl4.flowi4_tos = tun_key->tos;
76f7444d 2186 fl4.daddr = tun_key->u.ipv4.dst;
9a941117 2187 fl4.saddr = tun_key->u.ipv4.src;
a54e20b4 2188
1a8552bd 2189 err = mlx5e_route_lookup_ipv4(priv, mirred_dev, &out_dev,
9a941117 2190 &fl4, &n, &ttl);
a54e20b4 2191 if (err)
ace74321 2192 goto free_encap;
a54e20b4 2193
232c0013
HHZ		 2194 /* used by mlx5e_detach_encap to lookup a neigh hash table
2195 * entry in the neigh hash table when a user deletes a rule
2196 */
2197 e->m_neigh.dev = n->dev;
f6dfb4c3 2198 e->m_neigh.family = n->ops->family;
232c0013
HHZ		 2199 memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len);
2200 e->out_dev = out_dev;
2201
2202 /* It's importent to add the neigh to the hash table before checking
2203 * the neigh validity state. So if we'll get a notification, in case the
2204 * neigh changes it's validity state, we would find the relevant neigh
2205 * in the hash.
2206 */
2207 err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e);
2208 if (err)
ace74321 2209 goto free_encap;
232c0013 2210
033354d5
HHZ		 2211 read_lock_bh(&n->lock);
2212 nud_state = n->nud_state;
2213 ether_addr_copy(e->h_dest, n->ha);
2214 read_unlock_bh(&n->lock);
2215
a54e20b4
HHZ		 2216 switch (e->tunnel_type) {
2217 case MLX5_HEADER_TYPE_VXLAN:
1a8552bd 2218 gen_vxlan_header_ipv4(out_dev, encap_header,
32f3671f
OG		 2219 ipv4_encap_size, e->h_dest, ttl,
2220 fl4.daddr,
2221 fl4.saddr, tun_key->tp_dst,
2222 tunnel_id_to_key32(tun_key->tun_id));
a54e20b4
HHZ		 2223 break;
2224 default:
2225 err = -EOPNOTSUPP;
232c0013
HHZ		 2226 goto destroy_neigh_entry;
2227 }
2228 e->encap_size = ipv4_encap_size;
2229 e->encap_header = encap_header;
2230
2231 if (!(nud_state & NUD_VALID)) {
2232 neigh_event_send(n, NULL);
27902f08
WY		 2233 err = -EAGAIN;
2234 goto out;
a54e20b4
HHZ		 2235 }
2236
2237 err = mlx5_encap_alloc(priv->mdev, e->tunnel_type,
32f3671f 2238 ipv4_encap_size, encap_header, &e->encap_id);
232c0013
HHZ		 2239 if (err)
2240 goto destroy_neigh_entry;
2241
2242 e->flags |= MLX5_ENCAP_ENTRY_VALID;
f6dfb4c3 2243 mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev));
232c0013
HHZ		 2244 neigh_release(n);
2245 return err;
2246
2247destroy_neigh_entry:
2248 mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e);
ace74321 2249free_encap:
a54e20b4 2250 kfree(encap_header);
ace74321 2251out:
232c0013
HHZ		 2252 if (n)
2253 neigh_release(n);
a54e20b4
HHZ		 2254 return err;
2255}
2256
ce99f6b9
OG		 2257static int mlx5e_create_encap_header_ipv6(struct mlx5e_priv *priv,
2258 struct net_device *mirred_dev,
1a8552bd 2259 struct mlx5e_encap_entry *e)
ce99f6b9
OG		 2260{
2261 int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size);
225aabaf 2262 int ipv6_encap_size = ETH_HLEN + sizeof(struct ipv6hdr) + VXLAN_HLEN;
ce99f6b9 2263 struct ip_tunnel_key *tun_key = &e->tun_info.key;
1a8552bd 2264 struct net_device *out_dev;
ce99f6b9
OG		 2265 struct neighbour *n = NULL;
2266 struct flowi6 fl6 = {};
2267 char *encap_header;
225aabaf 2268 int err, ttl = 0;
033354d5 2269 u8 nud_state;
ce99f6b9 2270
225aabaf
OG		 2271 if (max_encap_size < ipv6_encap_size) {
2272 mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n",
2273 ipv6_encap_size, max_encap_size);
2274 return -EOPNOTSUPP;
2275 }
ce99f6b9 2276
225aabaf 2277 encap_header = kzalloc(ipv6_encap_size, GFP_KERNEL);
ce99f6b9
OG		 2278 if (!encap_header)
2279 return -ENOMEM;
2280
2281 switch (e->tunnel_type) {
2282 case MLX5_HEADER_TYPE_VXLAN:
2283 fl6.flowi6_proto = IPPROTO_UDP;
2284 fl6.fl6_dport = tun_key->tp_dst;
2285 break;
2286 default:
2287 err = -EOPNOTSUPP;
ace74321 2288 goto free_encap;
ce99f6b9
OG		 2289 }
2290
2291 fl6.flowlabel = ip6_make_flowinfo(RT_TOS(tun_key->tos), tun_key->label);
2292 fl6.daddr = tun_key->u.ipv6.dst;
2293 fl6.saddr = tun_key->u.ipv6.src;
2294
1a8552bd 2295 err = mlx5e_route_lookup_ipv6(priv, mirred_dev, &out_dev,
ce99f6b9
OG		 2296 &fl6, &n, &ttl);
2297 if (err)
ace74321 2298 goto free_encap;
ce99f6b9 2299
232c0013
HHZ		 2300 /* used by mlx5e_detach_encap to lookup a neigh hash table
2301 * entry in the neigh hash table when a user deletes a rule
2302 */
2303 e->m_neigh.dev = n->dev;
f6dfb4c3 2304 e->m_neigh.family = n->ops->family;
232c0013
HHZ		 2305 memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len);
2306 e->out_dev = out_dev;
2307
2308 /* It's importent to add the neigh to the hash table before checking
2309 * the neigh validity state. So if we'll get a notification, in case the
2310 * neigh changes it's validity state, we would find the relevant neigh
2311 * in the hash.
2312 */
2313 err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e);
2314 if (err)
ace74321 2315 goto free_encap;
232c0013 2316
033354d5
HHZ		 2317 read_lock_bh(&n->lock);
2318 nud_state = n->nud_state;
2319 ether_addr_copy(e->h_dest, n->ha);
2320 read_unlock_bh(&n->lock);
2321
ce99f6b9
OG		 2322 switch (e->tunnel_type) {
2323 case MLX5_HEADER_TYPE_VXLAN:
1a8552bd 2324 gen_vxlan_header_ipv6(out_dev, encap_header,
225aabaf
OG		 2325 ipv6_encap_size, e->h_dest, ttl,
2326 &fl6.daddr,
2327 &fl6.saddr, tun_key->tp_dst,
2328 tunnel_id_to_key32(tun_key->tun_id));
ce99f6b9
OG		 2329 break;
2330 default:
2331 err = -EOPNOTSUPP;
232c0013
HHZ		 2332 goto destroy_neigh_entry;
2333 }
2334
2335 e->encap_size = ipv6_encap_size;
2336 e->encap_header = encap_header;
2337
2338 if (!(nud_state & NUD_VALID)) {
2339 neigh_event_send(n, NULL);
27902f08
WY		 2340 err = -EAGAIN;
2341 goto out;
ce99f6b9
OG		 2342 }
2343
2344 err = mlx5_encap_alloc(priv->mdev, e->tunnel_type,
225aabaf 2345 ipv6_encap_size, encap_header, &e->encap_id);
232c0013
HHZ		 2346 if (err)
2347 goto destroy_neigh_entry;
2348
2349 e->flags |= MLX5_ENCAP_ENTRY_VALID;
f6dfb4c3 2350 mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev));
232c0013
HHZ		 2351 neigh_release(n);
2352 return err;
2353
2354destroy_neigh_entry:
2355 mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e);
ace74321 2356free_encap:
ce99f6b9 2357 kfree(encap_header);
ace74321 2358out:
232c0013
HHZ		 2359 if (n)
2360 neigh_release(n);
ce99f6b9
OG		 2361 return err;
2362}
2363
a54e20b4
HHZ		 2364static int mlx5e_attach_encap(struct mlx5e_priv *priv,
2365 struct ip_tunnel_info *tun_info,
2366 struct net_device *mirred_dev,
45247bf2
OG		 2367 struct net_device **encap_dev,
2368 struct mlx5e_tc_flow *flow)
a54e20b4
HHZ		 2369{
2370 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
a4b97ab4
MB		 2371 struct mlx5e_rep_priv *uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw,
2372 REP_ETH);
5ed99fb4 2373 struct net_device *up_dev = uplink_rpriv->netdev;
a54e20b4 2374 unsigned short family = ip_tunnel_info_af(tun_info);
45247bf2
OG		 2375 struct mlx5e_priv *up_priv = netdev_priv(up_dev);
2376 struct mlx5_esw_flow_attr *attr = flow->esw_attr;
a54e20b4 2377 struct ip_tunnel_key *key = &tun_info->key;
c1ae1152 2378 struct mlx5e_encap_entry *e;
45247bf2 2379 int tunnel_type, err = 0;
a54e20b4
HHZ		 2380 uintptr_t hash_key;
2381 bool found = false;
a54e20b4 2382
2fcd82e9 2383 /* udp dst port must be set */
a54e20b4 2384 if (!memchr_inv(&key->tp_dst, 0, sizeof(key->tp_dst)))
2fcd82e9 2385 goto vxlan_encap_offload_err;
a54e20b4 2386
cd377663 2387 /* setting udp src port isn't supported */
2fcd82e9
OG		 2388 if (memchr_inv(&key->tp_src, 0, sizeof(key->tp_src))) {
2389vxlan_encap_offload_err:
2390 netdev_warn(priv->netdev,
2391 "must set udp dst port and not set udp src port\n");
cd377663 2392 return -EOPNOTSUPP;
2fcd82e9 2393 }
cd377663 2394
1ad9a00a 2395 if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->tp_dst)) &&
a54e20b4 2396 MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) {
a54e20b4
HHZ		 2397 tunnel_type = MLX5_HEADER_TYPE_VXLAN;
2398 } else {
2fcd82e9
OG		 2399 netdev_warn(priv->netdev,
2400 "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->tp_dst));
a54e20b4
HHZ		 2401 return -EOPNOTSUPP;
2402 }
2403
76f7444d 2404 hash_key = hash_encap_info(key);
a54e20b4
HHZ		 2405
2406 hash_for_each_possible_rcu(esw->offloads.encap_tbl, e,
2407 encap_hlist, hash_key) {
76f7444d 2408 if (!cmp_encap_info(&e->tun_info.key, key)) {
a54e20b4
HHZ		 2409 found = true;
2410 break;
2411 }
2412 }
2413
b2812089 2414 /* must verify if encap is valid or not */
45247bf2
OG		 2415 if (found)
2416 goto attach_flow;
a54e20b4
HHZ		 2417
2418 e = kzalloc(sizeof(*e), GFP_KERNEL);
2419 if (!e)
2420 return -ENOMEM;
2421
76f7444d 2422 e->tun_info = *tun_info;
a54e20b4
HHZ		 2423 e->tunnel_type = tunnel_type;
2424 INIT_LIST_HEAD(&e->flows);
2425
ce99f6b9 2426 if (family == AF_INET)
1a8552bd 2427 err = mlx5e_create_encap_header_ipv4(priv, mirred_dev, e);
ce99f6b9 2428 else if (family == AF_INET6)
1a8552bd 2429 err = mlx5e_create_encap_header_ipv6(priv, mirred_dev, e);
ce99f6b9 2430
232c0013 2431 if (err && err != -EAGAIN)
a54e20b4
HHZ		 2432 goto out_err;
2433
a54e20b4
HHZ		 2434 hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key);
2435
45247bf2
OG		 2436attach_flow:
2437 list_add(&flow->encap, &e->flows);
2438 *encap_dev = e->out_dev;
232c0013
HHZ		 2439 if (e->flags & MLX5_ENCAP_ENTRY_VALID)
2440 attr->encap_id = e->encap_id;
b2812089
VB		 2441 else
2442 err = -EAGAIN;
45247bf2 2443
232c0013 2444 return err;
a54e20b4
HHZ		 2445
2446out_err:
2447 kfree(e);
2448 return err;
2449}
2450
03a9d11e 2451static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts,
d7e75a32 2452 struct mlx5e_tc_flow_parse_attr *parse_attr,
a54e20b4 2453 struct mlx5e_tc_flow *flow)
03a9d11e 2454{
ecf5bb79 2455 struct mlx5_esw_flow_attr *attr = flow->esw_attr;
1d447a39 2456 struct mlx5e_rep_priv *rpriv = priv->ppriv;
a54e20b4 2457 struct ip_tunnel_info *info = NULL;
03a9d11e 2458 const struct tc_action *a;
22dc13c8 2459 LIST_HEAD(actions);
a54e20b4 2460 bool encap = false;
03a9d11e 2461
3bcc0cec 2462 if (!tcf_exts_has_actions(exts))
03a9d11e
OG		 2463 return -EINVAL;
2464
1d447a39 2465 attr->in_rep = rpriv->rep;
03a9d11e 2466
22dc13c8
WC		 2467 tcf_exts_to_list(exts, &actions);
2468 list_for_each_entry(a, &actions, list) {
03a9d11e 2469 if (is_tcf_gact_shot(a)) {
8b32580d
OG		 2470 attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP |
2471 MLX5_FLOW_CONTEXT_ACTION_COUNT;
03a9d11e
OG		 2472 continue;
2473 }
2474
d7e75a32 2475 if (is_tcf_pedit(a)) {
31c8eba5
OG		 2476 int err;
2477
d7e75a32
OG		 2478 err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_FDB,
2479 parse_attr);
2480 if (err)
2481 return err;
2482
2483 attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
2484 continue;
2485 }
2486
26c02749
OG		 2487 if (is_tcf_csum(a)) {
2488 if (csum_offload_supported(priv, attr->action,
2489 tcf_csum_update_flags(a)))
2490 continue;
2491
2492 return -EOPNOTSUPP;
2493 }
2494
5724b8b5 2495 if (is_tcf_mirred_egress_redirect(a)) {
3c37745e 2496 struct net_device *out_dev;
03a9d11e 2497 struct mlx5e_priv *out_priv;
03a9d11e 2498
9f8a739e 2499 out_dev = tcf_mirred_dev(a);
03a9d11e 2500
a54e20b4
HHZ		 2501 if (switchdev_port_same_parent_id(priv->netdev,
2502 out_dev)) {
2503 attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
2504 MLX5_FLOW_CONTEXT_ACTION_COUNT;
2505 out_priv = netdev_priv(out_dev);
1d447a39
SM		 2506 rpriv = out_priv->ppriv;
2507 attr->out_rep = rpriv->rep;
a54e20b4 2508 } else if (encap) {
9f8a739e 2509 parse_attr->mirred_ifindex = out_dev->ifindex;
3c37745e
OG		 2510 parse_attr->tun_info = *info;
2511 attr->parse_attr = parse_attr;
a54e20b4
HHZ		 2512 attr->action |= MLX5_FLOW_CONTEXT_ACTION_ENCAP |
2513 MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
2514 MLX5_FLOW_CONTEXT_ACTION_COUNT;
3c37745e 2515 /* attr->out_rep is resolved when we handle encap */
a54e20b4 2516 } else {
03a9d11e
OG		 2517 pr_err("devices %s %s not on same switch HW, can't offload forwarding\n",
2518 priv->netdev->name, out_dev->name);
2519 return -EINVAL;
2520 }
a54e20b4
HHZ		 2521 continue;
2522 }
03a9d11e 2523
a54e20b4
HHZ		 2524 if (is_tcf_tunnel_set(a)) {
2525 info = tcf_tunnel_info(a);
2526 if (info)
2527 encap = true;
2528 else
2529 return -EOPNOTSUPP;
03a9d11e
OG		 2530 continue;
2531 }
2532
8b32580d 2533 if (is_tcf_vlan(a)) {
09c91ddf 2534 if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) {
8b32580d 2535 attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
09c91ddf 2536 } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) {
8b32580d 2537 attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH;
6acfbf38
OG		 2538 attr->vlan_vid = tcf_vlan_push_vid(a);
2539 if (mlx5_eswitch_vlan_actions_supported(priv->mdev)) {
2540 attr->vlan_prio = tcf_vlan_push_prio(a);
2541 attr->vlan_proto = tcf_vlan_push_proto(a);
2542 if (!attr->vlan_proto)
2543 attr->vlan_proto = htons(ETH_P_8021Q);
2544 } else if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) ||
2545 tcf_vlan_push_prio(a)) {
2546 return -EOPNOTSUPP;
2547 }
09c91ddf
OG		 2548 } else { /* action is TCA_VLAN_ACT_MODIFY */
2549 return -EOPNOTSUPP;
8b32580d
OG		 2550 }
2551 continue;
2552 }
2553
bbd00f7e
HHZ		 2554 if (is_tcf_tunnel_release(a)) {
2555 attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP;
2556 continue;
2557 }
2558
03a9d11e
OG		 2559 return -EINVAL;
2560 }
bdd66ac0
OG		 2561
2562 if (!actions_match_supported(priv, exts, parse_attr, flow))
2563 return -EOPNOTSUPP;
2564
31c8eba5 2565 return 0;
03a9d11e
OG		 2566}
2567
5fd9fc4e 2568int mlx5e_configure_flower(struct mlx5e_priv *priv,
e3a2b7ed
AV		 2569 struct tc_cls_flower_offload *f)
2570{
3bc4b7bf 2571 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
17091853 2572 struct mlx5e_tc_flow_parse_attr *parse_attr;
acff797c 2573 struct mlx5e_tc_table *tc = &priv->fs.tc;
3bc4b7bf
OG		 2574 struct mlx5e_tc_flow *flow;
2575 int attr_size, err = 0;
65ba8fb7 2576 u8 flow_flags = 0;
e3a2b7ed 2577
65ba8fb7
OG		 2578 if (esw && esw->mode == SRIOV_OFFLOADS) {
2579 flow_flags = MLX5E_TC_FLOW_ESWITCH;
2580 attr_size = sizeof(struct mlx5_esw_flow_attr);
3bc4b7bf
OG		 2581 } else {
2582 flow_flags = MLX5E_TC_FLOW_NIC;
2583 attr_size = sizeof(struct mlx5_nic_flow_attr);
65ba8fb7 2584 }
e3a2b7ed 2585
65ba8fb7 2586 flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL);
1b9a07ee 2587 parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL);
17091853 2588 if (!parse_attr || !flow) {
e3a2b7ed
AV		 2589 err = -ENOMEM;
2590 goto err_free;
2591 }
2592
2593 flow->cookie = f->cookie;
65ba8fb7 2594 flow->flags = flow_flags;
e3a2b7ed 2595
17091853 2596 err = parse_cls_flower(priv, flow, &parse_attr->spec, f);
e3a2b7ed
AV		 2597 if (err < 0)
2598 goto err_free;
2599
65ba8fb7 2600 if (flow->flags & MLX5E_TC_FLOW_ESWITCH) {
d7e75a32 2601 err = parse_tc_fdb_actions(priv, f->exts, parse_attr, flow);
adb4c123 2602 if (err < 0)
3c37745e 2603 goto err_free;
aa0cbbae 2604 flow->rule = mlx5e_tc_add_fdb_flow(priv, parse_attr, flow);
adb4c123 2605 } else {
aa0cbbae 2606 err = parse_tc_nic_actions(priv, f->exts, parse_attr, flow);
adb4c123
OG		 2607 if (err < 0)
2608 goto err_free;
aa0cbbae 2609 flow->rule = mlx5e_tc_add_nic_flow(priv, parse_attr, flow);
adb4c123 2610 }
e3a2b7ed 2611
e3a2b7ed
AV		 2612 if (IS_ERR(flow->rule)) {
2613 err = PTR_ERR(flow->rule);
3c37745e
OG		 2614 if (err != -EAGAIN)
2615 goto err_free;
e3a2b7ed
AV		 2616 }
2617
3c37745e
OG		 2618 if (err != -EAGAIN)
2619 flow->flags |= MLX5E_TC_FLOW_OFFLOADED;
2620
af1607c3
JL		 2621 if (!(flow->flags & MLX5E_TC_FLOW_ESWITCH) ||
2622 !(flow->esw_attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP))
2623 kvfree(parse_attr);
2624
5c40348c
OG		 2625 err = rhashtable_insert_fast(&tc->ht, &flow->node,
2626 tc->ht_params);
af1607c3
JL		 2627 if (err) {
2628 mlx5e_tc_del_flow(priv, flow);
2629 kfree(flow);
2630 }
5c40348c 2631
232c0013 2632 return err;
e3a2b7ed 2633
e3a2b7ed 2634err_free:
17091853 2635 kvfree(parse_attr);
232c0013 2636 kfree(flow);
e3a2b7ed
AV		 2637 return err;
2638}
2639
2640int mlx5e_delete_flower(struct mlx5e_priv *priv,
2641 struct tc_cls_flower_offload *f)
2642{
2643 struct mlx5e_tc_flow *flow;
acff797c 2644 struct mlx5e_tc_table *tc = &priv->fs.tc;
e3a2b7ed
AV		 2645
2646 flow = rhashtable_lookup_fast(&tc->ht, &f->cookie,
2647 tc->ht_params);
2648 if (!flow)
2649 return -EINVAL;
2650
2651 rhashtable_remove_fast(&tc->ht, &flow->node, tc->ht_params);
2652
961e8979 2653 mlx5e_tc_del_flow(priv, flow);
e3a2b7ed
AV		 2654
2655 kfree(flow);
2656
2657 return 0;
2658}
2659
aad7e08d
AV		 2660int mlx5e_stats_flower(struct mlx5e_priv *priv,
2661 struct tc_cls_flower_offload *f)
2662{
2663 struct mlx5e_tc_table *tc = &priv->fs.tc;
2664 struct mlx5e_tc_flow *flow;
aad7e08d
AV		 2665 struct mlx5_fc *counter;
2666 u64 bytes;
2667 u64 packets;
2668 u64 lastuse;
2669
2670 flow = rhashtable_lookup_fast(&tc->ht, &f->cookie,
2671 tc->ht_params);
2672 if (!flow)
2673 return -EINVAL;
2674
0b67a38f
HHZ		 2675 if (!(flow->flags & MLX5E_TC_FLOW_OFFLOADED))
2676 return 0;
2677
aad7e08d
AV		 2678 counter = mlx5_flow_rule_counter(flow->rule);
2679 if (!counter)
2680 return 0;
2681
2682 mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse);
2683
d897a638 2684 tcf_exts_stats_update(f->exts, bytes, packets, lastuse);
fed06ee8 2685
aad7e08d
AV		 2686 return 0;
2687}
2688
e8f887ac
AV		 2689static const struct rhashtable_params mlx5e_tc_flow_ht_params = {
2690 .head_offset = offsetof(struct mlx5e_tc_flow, node),
2691 .key_offset = offsetof(struct mlx5e_tc_flow, cookie),
2692 .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie),
2693 .automatic_shrinking = true,
2694};
2695
2696int mlx5e_tc_init(struct mlx5e_priv *priv)
2697{
acff797c 2698 struct mlx5e_tc_table *tc = &priv->fs.tc;
e8f887ac 2699
11c9c548 2700 hash_init(tc->mod_hdr_tbl);
5c65c564 2701 hash_init(tc->hairpin_tbl);
11c9c548 2702
e8f887ac
AV		 2703 tc->ht_params = mlx5e_tc_flow_ht_params;
2704 return rhashtable_init(&tc->ht, &tc->ht_params);
2705}
2706
2707static void _mlx5e_tc_del_flow(void *ptr, void *arg)
2708{
2709 struct mlx5e_tc_flow *flow = ptr;
2710 struct mlx5e_priv *priv = arg;
2711
961e8979 2712 mlx5e_tc_del_flow(priv, flow);
e8f887ac
AV		 2713 kfree(flow);
2714}
2715
2716void mlx5e_tc_cleanup(struct mlx5e_priv *priv)
2717{
acff797c 2718 struct mlx5e_tc_table *tc = &priv->fs.tc;
e8f887ac
AV		 2719
2720 rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, priv);
2721
acff797c
MG		 2722 if (!IS_ERR_OR_NULL(tc->t)) {
2723 mlx5_destroy_flow_table(tc->t);
2724 tc->t = NULL;
e8f887ac
AV		 2725 }
2726}
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