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Merge tag 'trace-printf-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
[drm/drm-misc.git] / drivers / net / ethernet / netronome / nfp / flower / match.c
blobe01430139b6d87298f7e5f784444794896ef529c
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /* Copyright (C) 2017-2018 Netronome Systems, Inc. */
3
4 #include <linux/bitfield.h>
5 #include <net/pkt_cls.h>
6
7 #include "cmsg.h"
8 #include "main.h"
9
10 void
11 nfp_flower_compile_meta(struct nfp_flower_meta_tci *ext,
12 struct nfp_flower_meta_tci *msk, u8 key_type)
13 {
14 /* Populate the metadata frame. */
15 ext->nfp_flow_key_layer = key_type;
16 ext->mask_id = ~0;
17
18 msk->nfp_flow_key_layer = key_type;
19 msk->mask_id = ~0;
20 }
21
22 void
23 nfp_flower_compile_tci(struct nfp_flower_meta_tci *ext,
24 struct nfp_flower_meta_tci *msk,
25 struct flow_rule *rule)
26 {
27 u16 msk_tci, key_tci;
28
29 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
30 struct flow_match_vlan match;
31
32 flow_rule_match_vlan(rule, &match);
33 /* Populate the tci field. */
34 key_tci = NFP_FLOWER_MASK_VLAN_PRESENT;
35 key_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
36 match.key->vlan_priority) |
37 FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
38 match.key->vlan_id);
39
40 msk_tci = NFP_FLOWER_MASK_VLAN_PRESENT;
41 msk_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
42 match.mask->vlan_priority) |
43 FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
44 match.mask->vlan_id);
45
46 ext->tci |= cpu_to_be16((key_tci & msk_tci));
47 msk->tci |= cpu_to_be16(msk_tci);
48 }
49 }
50
51 static void
52 nfp_flower_compile_meta_tci(struct nfp_flower_meta_tci *ext,
53 struct nfp_flower_meta_tci *msk,
54 struct flow_rule *rule, u8 key_type, bool qinq_sup)
55 {
56 memset(ext, 0, sizeof(struct nfp_flower_meta_tci));
57 memset(msk, 0, sizeof(struct nfp_flower_meta_tci));
58
59 nfp_flower_compile_meta(ext, msk, key_type);
60
61 if (!qinq_sup)
62 nfp_flower_compile_tci(ext, msk, rule);
63 }
64
65 void
66 nfp_flower_compile_ext_meta(struct nfp_flower_ext_meta *frame, u32 key_ext)
67 {
68 frame->nfp_flow_key_layer2 = cpu_to_be32(key_ext);
69 }
70
71 int
72 nfp_flower_compile_port(struct nfp_flower_in_port *frame, u32 cmsg_port,
73 bool mask_version, enum nfp_flower_tun_type tun_type,
74 struct netlink_ext_ack *extack)
75 {
76 if (mask_version) {
77 frame->in_port = cpu_to_be32(~0);
78 return 0;
79 }
80
81 if (tun_type) {
82 frame->in_port = cpu_to_be32(NFP_FL_PORT_TYPE_TUN | tun_type);
83 } else {
84 if (!cmsg_port) {
85 NL_SET_ERR_MSG_MOD(extack, "unsupported offload: invalid ingress interface for match offload");
86 return -EOPNOTSUPP;
87 }
88 frame->in_port = cpu_to_be32(cmsg_port);
89 }
90
91 return 0;
92 }
93
94 void
95 nfp_flower_compile_mac(struct nfp_flower_mac_mpls *ext,
96 struct nfp_flower_mac_mpls *msk,
97 struct flow_rule *rule)
98 {
99 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
100 struct flow_match_eth_addrs match;
101 u8 tmp;
102 int i;
103
104 flow_rule_match_eth_addrs(rule, &match);
105 /* Populate mac frame. */
106 for (i = 0; i < ETH_ALEN; i++) {
107 tmp = match.key->dst[i] & match.mask->dst[i];
108 ext->mac_dst[i] |= tmp & (~msk->mac_dst[i]);
109 msk->mac_dst[i] |= match.mask->dst[i];
110
111 tmp = match.key->src[i] & match.mask->src[i];
112 ext->mac_src[i] |= tmp & (~msk->mac_src[i]);
113 msk->mac_src[i] |= match.mask->src[i];
114 }
115 }
116 }
117
118 int
119 nfp_flower_compile_mpls(struct nfp_flower_mac_mpls *ext,
120 struct nfp_flower_mac_mpls *msk,
121 struct flow_rule *rule,
122 struct netlink_ext_ack *extack)
123 {
124 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS)) {
125 struct flow_match_mpls match;
126 u32 key_mpls, msk_mpls;
127
128 flow_rule_match_mpls(rule, &match);
129
130 /* Only support matching the first LSE */
131 if (match.mask->used_lses != 1) {
132 NL_SET_ERR_MSG_MOD(extack,
133 "unsupported offload: invalid LSE depth for MPLS match offload");
134 return -EOPNOTSUPP;
135 }
136
137 key_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB,
138 match.key->ls[0].mpls_label) |
139 FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC,
140 match.key->ls[0].mpls_tc) |
141 FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS,
142 match.key->ls[0].mpls_bos) |
143 NFP_FLOWER_MASK_MPLS_Q;
144
145 msk_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB,
146 match.mask->ls[0].mpls_label) |
147 FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC,
148 match.mask->ls[0].mpls_tc) |
149 FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS,
150 match.mask->ls[0].mpls_bos) |
151 NFP_FLOWER_MASK_MPLS_Q;
152
153 ext->mpls_lse |= cpu_to_be32((key_mpls & msk_mpls));
154 msk->mpls_lse |= cpu_to_be32(msk_mpls);
155 } else if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
156 /* Check for mpls ether type and set NFP_FLOWER_MASK_MPLS_Q
157 * bit, which indicates an mpls ether type but without any
158 * mpls fields.
159 */
160 struct flow_match_basic match;
161
162 flow_rule_match_basic(rule, &match);
163 if (match.key->n_proto == cpu_to_be16(ETH_P_MPLS_UC) ||
164 match.key->n_proto == cpu_to_be16(ETH_P_MPLS_MC)) {
165 ext->mpls_lse |= cpu_to_be32(NFP_FLOWER_MASK_MPLS_Q);
166 msk->mpls_lse |= cpu_to_be32(NFP_FLOWER_MASK_MPLS_Q);
167 }
168 }
169
170 return 0;
171 }
172
173 static int
174 nfp_flower_compile_mac_mpls(struct nfp_flower_mac_mpls *ext,
175 struct nfp_flower_mac_mpls *msk,
176 struct flow_rule *rule,
177 struct netlink_ext_ack *extack)
178 {
179 memset(ext, 0, sizeof(struct nfp_flower_mac_mpls));
180 memset(msk, 0, sizeof(struct nfp_flower_mac_mpls));
181
182 nfp_flower_compile_mac(ext, msk, rule);
183
184 return nfp_flower_compile_mpls(ext, msk, rule, extack);
185 }
186
187 void
188 nfp_flower_compile_tport(struct nfp_flower_tp_ports *ext,
189 struct nfp_flower_tp_ports *msk,
190 struct flow_rule *rule)
191 {
192 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) {
193 struct flow_match_ports match;
194 __be16 tmp;
195
196 flow_rule_match_ports(rule, &match);
197
198 tmp = match.key->src & match.mask->src;
199 ext->port_src |= tmp & (~msk->port_src);
200 msk->port_src |= match.mask->src;
201
202 tmp = match.key->dst & match.mask->dst;
203 ext->port_dst |= tmp & (~msk->port_dst);
204 msk->port_dst |= match.mask->dst;
205 }
206 }
207
208 static void
209 nfp_flower_compile_ip_ext(struct nfp_flower_ip_ext *ext,
210 struct nfp_flower_ip_ext *msk, struct flow_rule *rule)
211 {
212 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
213 struct flow_match_basic match;
214
215 flow_rule_match_basic(rule, &match);
216 ext->proto |= match.key->ip_proto & match.mask->ip_proto;
217 msk->proto |= match.mask->ip_proto;
218 }
219
220 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) {
221 struct flow_match_ip match;
222 u8 tmp;
223
224 flow_rule_match_ip(rule, &match);
225
226 tmp = match.key->tos & match.mask->tos;
227 ext->tos |= tmp & (~msk->tos);
228 msk->tos |= match.mask->tos;
229
230 tmp = match.key->ttl & match.mask->ttl;
231 ext->ttl |= tmp & (~msk->ttl);
232 msk->ttl |= match.mask->ttl;
233 }
234
235 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) {
236 u16 tcp_flags, tcp_flags_mask;
237 struct flow_match_tcp match;
238
239 flow_rule_match_tcp(rule, &match);
240 tcp_flags = be16_to_cpu(match.key->flags);
241 tcp_flags_mask = be16_to_cpu(match.mask->flags);
242
243 if (tcp_flags & TCPHDR_FIN)
244 ext->flags |= NFP_FL_TCP_FLAG_FIN;
245 if (tcp_flags_mask & TCPHDR_FIN)
246 msk->flags |= NFP_FL_TCP_FLAG_FIN;
247
248 if (tcp_flags & TCPHDR_SYN)
249 ext->flags |= NFP_FL_TCP_FLAG_SYN;
250 if (tcp_flags_mask & TCPHDR_SYN)
251 msk->flags |= NFP_FL_TCP_FLAG_SYN;
252
253 if (tcp_flags & TCPHDR_RST)
254 ext->flags |= NFP_FL_TCP_FLAG_RST;
255 if (tcp_flags_mask & TCPHDR_RST)
256 msk->flags |= NFP_FL_TCP_FLAG_RST;
257
258 if (tcp_flags & TCPHDR_PSH)
259 ext->flags |= NFP_FL_TCP_FLAG_PSH;
260 if (tcp_flags_mask & TCPHDR_PSH)
261 msk->flags |= NFP_FL_TCP_FLAG_PSH;
262
263 if (tcp_flags & TCPHDR_URG)
264 ext->flags |= NFP_FL_TCP_FLAG_URG;
265 if (tcp_flags_mask & TCPHDR_URG)
266 msk->flags |= NFP_FL_TCP_FLAG_URG;
267 }
268
269 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) {
270 struct flow_match_control match;
271
272 flow_rule_match_control(rule, &match);
273 if (match.key->flags & FLOW_DIS_IS_FRAGMENT)
274 ext->flags |= NFP_FL_IP_FRAGMENTED;
275 if (match.mask->flags & FLOW_DIS_IS_FRAGMENT)
276 msk->flags |= NFP_FL_IP_FRAGMENTED;
277 if (match.key->flags & FLOW_DIS_FIRST_FRAG)
278 ext->flags |= NFP_FL_IP_FRAG_FIRST;
279 if (match.mask->flags & FLOW_DIS_FIRST_FRAG)
280 msk->flags |= NFP_FL_IP_FRAG_FIRST;
281 }
282 }
283
284 static void
285 nfp_flower_fill_vlan(struct flow_match_vlan *match,
286 struct nfp_flower_vlan *ext,
287 struct nfp_flower_vlan *msk, bool outer_vlan)
288 {
289 struct flow_dissector_key_vlan *mask = match->mask;
290 struct flow_dissector_key_vlan *key = match->key;
291 u16 msk_tci, key_tci;
292
293 key_tci = NFP_FLOWER_MASK_VLAN_PRESENT;
294 key_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
295 key->vlan_priority) |
296 FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
297 key->vlan_id);
298 msk_tci = NFP_FLOWER_MASK_VLAN_PRESENT;
299 msk_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
300 mask->vlan_priority) |
301 FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
302 mask->vlan_id);
303
304 if (outer_vlan) {
305 ext->outer_tci |= cpu_to_be16((key_tci & msk_tci));
306 ext->outer_tpid |= key->vlan_tpid & mask->vlan_tpid;
307 msk->outer_tci |= cpu_to_be16(msk_tci);
308 msk->outer_tpid |= mask->vlan_tpid;
309 } else {
310 ext->inner_tci |= cpu_to_be16((key_tci & msk_tci));
311 ext->inner_tpid |= key->vlan_tpid & mask->vlan_tpid;
312 msk->inner_tci |= cpu_to_be16(msk_tci);
313 msk->inner_tpid |= mask->vlan_tpid;
314 }
315 }
316
317 void
318 nfp_flower_compile_vlan(struct nfp_flower_vlan *ext,
319 struct nfp_flower_vlan *msk,
320 struct flow_rule *rule)
321 {
322 struct flow_match_vlan match;
323
324 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
325 flow_rule_match_vlan(rule, &match);
326 nfp_flower_fill_vlan(&match, ext, msk, true);
327 }
328 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) {
329 flow_rule_match_cvlan(rule, &match);
330 nfp_flower_fill_vlan(&match, ext, msk, false);
331 }
332 }
333
334 void
335 nfp_flower_compile_ipv4(struct nfp_flower_ipv4 *ext,
336 struct nfp_flower_ipv4 *msk, struct flow_rule *rule)
337 {
338 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS)) {
339 struct flow_match_ipv4_addrs match;
340 __be32 tmp;
341
342 flow_rule_match_ipv4_addrs(rule, &match);
343
344 tmp = match.key->src & match.mask->src;
345 ext->ipv4_src |= tmp & (~msk->ipv4_src);
346 msk->ipv4_src |= match.mask->src;
347
348 tmp = match.key->dst & match.mask->dst;
349 ext->ipv4_dst |= tmp & (~msk->ipv4_dst);
350 msk->ipv4_dst |= match.mask->dst;
351 }
352
353 nfp_flower_compile_ip_ext(&ext->ip_ext, &msk->ip_ext, rule);
354 }
355
356 void
357 nfp_flower_compile_ipv6(struct nfp_flower_ipv6 *ext,
358 struct nfp_flower_ipv6 *msk, struct flow_rule *rule)
359 {
360 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV6_ADDRS)) {
361 struct flow_match_ipv6_addrs match;
362 u8 tmp;
363 int i;
364
365 flow_rule_match_ipv6_addrs(rule, &match);
366 for (i = 0; i < sizeof(ext->ipv6_src); i++) {
367 tmp = match.key->src.s6_addr[i] &
368 match.mask->src.s6_addr[i];
369 ext->ipv6_src.s6_addr[i] |= tmp &
370 (~msk->ipv6_src.s6_addr[i]);
371 msk->ipv6_src.s6_addr[i] |= match.mask->src.s6_addr[i];
372
373 tmp = match.key->dst.s6_addr[i] &
374 match.mask->dst.s6_addr[i];
375 ext->ipv6_dst.s6_addr[i] |= tmp &
376 (~msk->ipv6_dst.s6_addr[i]);
377 msk->ipv6_dst.s6_addr[i] |= match.mask->dst.s6_addr[i];
378 }
379 }
380
381 nfp_flower_compile_ip_ext(&ext->ip_ext, &msk->ip_ext, rule);
382 }
383
384 void
385 nfp_flower_compile_geneve_opt(u8 *ext, u8 *msk, struct flow_rule *rule)
386 {
387 struct flow_match_enc_opts match;
388 int i;
389
390 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_OPTS)) {
391 flow_rule_match_enc_opts(rule, &match);
392
393 for (i = 0; i < match.mask->len; i++) {
394 ext[i] |= match.key->data[i] & match.mask->data[i];
395 msk[i] |= match.mask->data[i];
396 }
397 }
398 }
399
400 static void
401 nfp_flower_compile_tun_ipv4_addrs(struct nfp_flower_tun_ipv4 *ext,
402 struct nfp_flower_tun_ipv4 *msk,
403 struct flow_rule *rule)
404 {
405 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) {
406 struct flow_match_ipv4_addrs match;
407
408 flow_rule_match_enc_ipv4_addrs(rule, &match);
409 ext->src |= match.key->src & match.mask->src;
410 ext->dst |= match.key->dst & match.mask->dst;
411 msk->src |= match.mask->src;
412 msk->dst |= match.mask->dst;
413 }
414 }
415
416 static void
417 nfp_flower_compile_tun_ipv6_addrs(struct nfp_flower_tun_ipv6 *ext,
418 struct nfp_flower_tun_ipv6 *msk,
419 struct flow_rule *rule)
420 {
421 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS)) {
422 struct flow_match_ipv6_addrs match;
423 int i;
424
425 flow_rule_match_enc_ipv6_addrs(rule, &match);
426 for (i = 0; i < sizeof(ext->src); i++) {
427 ext->src.s6_addr[i] |= match.key->src.s6_addr[i] &
428 match.mask->src.s6_addr[i];
429 ext->dst.s6_addr[i] |= match.key->dst.s6_addr[i] &
430 match.mask->dst.s6_addr[i];
431 msk->src.s6_addr[i] |= match.mask->src.s6_addr[i];
432 msk->dst.s6_addr[i] |= match.mask->dst.s6_addr[i];
433 }
434 }
435 }
436
437 static void
438 nfp_flower_compile_tun_ip_ext(struct nfp_flower_tun_ip_ext *ext,
439 struct nfp_flower_tun_ip_ext *msk,
440 struct flow_rule *rule)
441 {
442 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) {
443 struct flow_match_ip match;
444
445 flow_rule_match_enc_ip(rule, &match);
446 ext->tos |= match.key->tos & match.mask->tos;
447 ext->ttl |= match.key->ttl & match.mask->ttl;
448 msk->tos |= match.mask->tos;
449 msk->ttl |= match.mask->ttl;
450 }
451 }
452
453 static void
454 nfp_flower_compile_tun_udp_key(__be32 *key, __be32 *key_msk,
455 struct flow_rule *rule)
456 {
457 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID)) {
458 struct flow_match_enc_keyid match;
459 u32 vni;
460
461 flow_rule_match_enc_keyid(rule, &match);
462 vni = be32_to_cpu((match.key->keyid & match.mask->keyid)) <<
463 NFP_FL_TUN_VNI_OFFSET;
464 *key |= cpu_to_be32(vni);
465 vni = be32_to_cpu(match.mask->keyid) << NFP_FL_TUN_VNI_OFFSET;
466 *key_msk |= cpu_to_be32(vni);
467 }
468 }
469
470 static void
471 nfp_flower_compile_tun_gre_key(__be32 *key, __be32 *key_msk, __be16 *flags,
472 __be16 *flags_msk, struct flow_rule *rule)
473 {
474 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID)) {
475 struct flow_match_enc_keyid match;
476
477 flow_rule_match_enc_keyid(rule, &match);
478 *key |= match.key->keyid & match.mask->keyid;
479 *key_msk |= match.mask->keyid;
480
481 *flags = cpu_to_be16(NFP_FL_GRE_FLAG_KEY);
482 *flags_msk = cpu_to_be16(NFP_FL_GRE_FLAG_KEY);
483 }
484 }
485
486 void
487 nfp_flower_compile_ipv4_gre_tun(struct nfp_flower_ipv4_gre_tun *ext,
488 struct nfp_flower_ipv4_gre_tun *msk,
489 struct flow_rule *rule)
490 {
491 /* NVGRE is the only supported GRE tunnel type */
492 ext->ethertype = cpu_to_be16(ETH_P_TEB);
493 msk->ethertype = cpu_to_be16(~0);
494
495 nfp_flower_compile_tun_ipv4_addrs(&ext->ipv4, &msk->ipv4, rule);
496 nfp_flower_compile_tun_ip_ext(&ext->ip_ext, &msk->ip_ext, rule);
497 nfp_flower_compile_tun_gre_key(&ext->tun_key, &msk->tun_key,
498 &ext->tun_flags, &msk->tun_flags, rule);
499 }
500
501 void
502 nfp_flower_compile_ipv4_udp_tun(struct nfp_flower_ipv4_udp_tun *ext,
503 struct nfp_flower_ipv4_udp_tun *msk,
504 struct flow_rule *rule)
505 {
506 nfp_flower_compile_tun_ipv4_addrs(&ext->ipv4, &msk->ipv4, rule);
507 nfp_flower_compile_tun_ip_ext(&ext->ip_ext, &msk->ip_ext, rule);
508 nfp_flower_compile_tun_udp_key(&ext->tun_id, &msk->tun_id, rule);
509 }
510
511 void
512 nfp_flower_compile_ipv6_udp_tun(struct nfp_flower_ipv6_udp_tun *ext,
513 struct nfp_flower_ipv6_udp_tun *msk,
514 struct flow_rule *rule)
515 {
516 nfp_flower_compile_tun_ipv6_addrs(&ext->ipv6, &msk->ipv6, rule);
517 nfp_flower_compile_tun_ip_ext(&ext->ip_ext, &msk->ip_ext, rule);
518 nfp_flower_compile_tun_udp_key(&ext->tun_id, &msk->tun_id, rule);
519 }
520
521 void
522 nfp_flower_compile_ipv6_gre_tun(struct nfp_flower_ipv6_gre_tun *ext,
523 struct nfp_flower_ipv6_gre_tun *msk,
524 struct flow_rule *rule)
525 {
526 /* NVGRE is the only supported GRE tunnel type */
527 ext->ethertype = cpu_to_be16(ETH_P_TEB);
528 msk->ethertype = cpu_to_be16(~0);
529
530 nfp_flower_compile_tun_ipv6_addrs(&ext->ipv6, &msk->ipv6, rule);
531 nfp_flower_compile_tun_ip_ext(&ext->ip_ext, &msk->ip_ext, rule);
532 nfp_flower_compile_tun_gre_key(&ext->tun_key, &msk->tun_key,
533 &ext->tun_flags, &msk->tun_flags, rule);
534 }
535
536 int nfp_flower_compile_flow_match(struct nfp_app *app,
537 struct flow_rule *rule,
538 struct nfp_fl_key_ls *key_ls,
539 struct net_device *netdev,
540 struct nfp_fl_payload *nfp_flow,
541 enum nfp_flower_tun_type tun_type,
542 struct netlink_ext_ack *extack)
543 {
544 struct nfp_flower_priv *priv = app->priv;
545 bool qinq_sup;
546 u32 port_id;
547 int ext_len;
548 int err;
549 u8 *ext;
550 u8 *msk;
551
552 port_id = nfp_flower_get_port_id_from_netdev(app, netdev);
553
554 memset(nfp_flow->unmasked_data, 0, key_ls->key_size);
555 memset(nfp_flow->mask_data, 0, key_ls->key_size);
556
557 ext = nfp_flow->unmasked_data;
558 msk = nfp_flow->mask_data;
559
560 qinq_sup = !!(priv->flower_ext_feats & NFP_FL_FEATS_VLAN_QINQ);
561
562 nfp_flower_compile_meta_tci((struct nfp_flower_meta_tci *)ext,
563 (struct nfp_flower_meta_tci *)msk,
564 rule, key_ls->key_layer, qinq_sup);
565 ext += sizeof(struct nfp_flower_meta_tci);
566 msk += sizeof(struct nfp_flower_meta_tci);
567
568 /* Populate Extended Metadata if Required. */
569 if (NFP_FLOWER_LAYER_EXT_META & key_ls->key_layer) {
570 nfp_flower_compile_ext_meta((struct nfp_flower_ext_meta *)ext,
571 key_ls->key_layer_two);
572 nfp_flower_compile_ext_meta((struct nfp_flower_ext_meta *)msk,
573 key_ls->key_layer_two);
574 ext += sizeof(struct nfp_flower_ext_meta);
575 msk += sizeof(struct nfp_flower_ext_meta);
576 }
577
578 /* Populate Exact Port data. */
579 err = nfp_flower_compile_port((struct nfp_flower_in_port *)ext,
580 port_id, false, tun_type, extack);
581 if (err)
582 return err;
583
584 /* Populate Mask Port Data. */
585 err = nfp_flower_compile_port((struct nfp_flower_in_port *)msk,
586 port_id, true, tun_type, extack);
587 if (err)
588 return err;
589
590 ext += sizeof(struct nfp_flower_in_port);
591 msk += sizeof(struct nfp_flower_in_port);
592
593 if (NFP_FLOWER_LAYER_MAC & key_ls->key_layer) {
594 err = nfp_flower_compile_mac_mpls((struct nfp_flower_mac_mpls *)ext,
595 (struct nfp_flower_mac_mpls *)msk,
596 rule, extack);
597 if (err)
598 return err;
599
600 ext += sizeof(struct nfp_flower_mac_mpls);
601 msk += sizeof(struct nfp_flower_mac_mpls);
602 }
603
604 if (NFP_FLOWER_LAYER_TP & key_ls->key_layer) {
605 nfp_flower_compile_tport((struct nfp_flower_tp_ports *)ext,
606 (struct nfp_flower_tp_ports *)msk,
607 rule);
608 ext += sizeof(struct nfp_flower_tp_ports);
609 msk += sizeof(struct nfp_flower_tp_ports);
610 }
611
612 if (NFP_FLOWER_LAYER_IPV4 & key_ls->key_layer) {
613 nfp_flower_compile_ipv4((struct nfp_flower_ipv4 *)ext,
614 (struct nfp_flower_ipv4 *)msk,
615 rule);
616 ext += sizeof(struct nfp_flower_ipv4);
617 msk += sizeof(struct nfp_flower_ipv4);
618 }
619
620 if (NFP_FLOWER_LAYER_IPV6 & key_ls->key_layer) {
621 nfp_flower_compile_ipv6((struct nfp_flower_ipv6 *)ext,
622 (struct nfp_flower_ipv6 *)msk,
623 rule);
624 ext += sizeof(struct nfp_flower_ipv6);
625 msk += sizeof(struct nfp_flower_ipv6);
626 }
627
628 if (NFP_FLOWER_LAYER2_QINQ & key_ls->key_layer_two) {
629 nfp_flower_compile_vlan((struct nfp_flower_vlan *)ext,
630 (struct nfp_flower_vlan *)msk,
631 rule);
632 ext += sizeof(struct nfp_flower_vlan);
633 msk += sizeof(struct nfp_flower_vlan);
634 }
635
636 if (key_ls->key_layer_two & NFP_FLOWER_LAYER2_GRE) {
637 if (key_ls->key_layer_two & NFP_FLOWER_LAYER2_TUN_IPV6) {
638 struct nfp_flower_ipv6_gre_tun *gre_match;
639 struct nfp_ipv6_addr_entry *entry;
640 struct in6_addr *dst;
641
642 nfp_flower_compile_ipv6_gre_tun((void *)ext,
643 (void *)msk, rule);
644 gre_match = (struct nfp_flower_ipv6_gre_tun *)ext;
645 dst = &gre_match->ipv6.dst;
646 ext += sizeof(struct nfp_flower_ipv6_gre_tun);
647 msk += sizeof(struct nfp_flower_ipv6_gre_tun);
648
649 entry = nfp_tunnel_add_ipv6_off(app, dst);
650 if (!entry)
651 return -EOPNOTSUPP;
652
653 nfp_flow->nfp_tun_ipv6 = entry;
654 } else {
655 __be32 dst;
656
657 nfp_flower_compile_ipv4_gre_tun((void *)ext,
658 (void *)msk, rule);
659 dst = ((struct nfp_flower_ipv4_gre_tun *)ext)->ipv4.dst;
660 ext += sizeof(struct nfp_flower_ipv4_gre_tun);
661 msk += sizeof(struct nfp_flower_ipv4_gre_tun);
662
663 /* Store the tunnel destination in the rule data.
664 * This must be present and be an exact match.
665 */
666 nfp_flow->nfp_tun_ipv4_addr = dst;
667 nfp_tunnel_add_ipv4_off(app, dst);
668 }
669 }
670
671 if (key_ls->key_layer & NFP_FLOWER_LAYER_VXLAN ||
672 key_ls->key_layer_two & NFP_FLOWER_LAYER2_GENEVE) {
673 if (key_ls->key_layer_two & NFP_FLOWER_LAYER2_TUN_IPV6) {
674 struct nfp_flower_ipv6_udp_tun *udp_match;
675 struct nfp_ipv6_addr_entry *entry;
676 struct in6_addr *dst;
677
678 nfp_flower_compile_ipv6_udp_tun((void *)ext,
679 (void *)msk, rule);
680 udp_match = (struct nfp_flower_ipv6_udp_tun *)ext;
681 dst = &udp_match->ipv6.dst;
682 ext += sizeof(struct nfp_flower_ipv6_udp_tun);
683 msk += sizeof(struct nfp_flower_ipv6_udp_tun);
684
685 entry = nfp_tunnel_add_ipv6_off(app, dst);
686 if (!entry)
687 return -EOPNOTSUPP;
688
689 nfp_flow->nfp_tun_ipv6 = entry;
690 } else {
691 __be32 dst;
692
693 nfp_flower_compile_ipv4_udp_tun((void *)ext,
694 (void *)msk, rule);
695 dst = ((struct nfp_flower_ipv4_udp_tun *)ext)->ipv4.dst;
696 ext += sizeof(struct nfp_flower_ipv4_udp_tun);
697 msk += sizeof(struct nfp_flower_ipv4_udp_tun);
698
699 /* Store the tunnel destination in the rule data.
700 * This must be present and be an exact match.
701 */
702 nfp_flow->nfp_tun_ipv4_addr = dst;
703 nfp_tunnel_add_ipv4_off(app, dst);
704 }
705
706 if (key_ls->key_layer_two & NFP_FLOWER_LAYER2_GENEVE_OP) {
707 nfp_flower_compile_geneve_opt(ext, msk, rule);
708 }
709 }
710
711 /* Check that the flow key does not exceed the maximum limit.
712 * All structures in the key is multiples of 4 bytes, so use u32.
713 */
714 ext_len = (u32 *)ext - (u32 *)nfp_flow->unmasked_data;
715 if (ext_len > NFP_FLOWER_KEY_MAX_LW) {
716 NL_SET_ERR_MSG_MOD(extack,
717 "unsupported offload: flow key too long");
718 return -EOPNOTSUPP;
719 }
720
721 return 0;
722 }
Kernel DRM miscellaneous fixes and cross-tree changes