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18ebd48c PB |
1 | /* |
2 | * Copyright (c) 2016 Mellanox Technologies, Ltd. | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | #include "netdev-tc-offloads.h" | |
ef3767f5 | 19 | |
18ebd48c PB |
20 | #include <errno.h> |
21 | #include <linux/if_ether.h> | |
ef3767f5 JS |
22 | |
23 | #include "dpif.h" | |
24 | #include "hash.h" | |
18ebd48c PB |
25 | #include "openvswitch/hmap.h" |
26 | #include "openvswitch/match.h" | |
27 | #include "openvswitch/ofpbuf.h" | |
28 | #include "openvswitch/thread.h" | |
29 | #include "openvswitch/types.h" | |
1ae83bb2 | 30 | #include "openvswitch/util.h" |
18ebd48c | 31 | #include "openvswitch/vlog.h" |
ef3767f5 | 32 | #include "netdev-linux.h" |
18ebd48c PB |
33 | #include "netlink.h" |
34 | #include "netlink-socket.h" | |
35 | #include "odp-netlink.h" | |
1ae83bb2 | 36 | #include "odp-util.h" |
ef3767f5 | 37 | #include "tc.h" |
18ebd48c PB |
38 | #include "unaligned.h" |
39 | #include "util.h" | |
18ebd48c PB |
40 | |
41 | VLOG_DEFINE_THIS_MODULE(netdev_tc_offloads); | |
42 | ||
8140a5ff PB |
43 | static struct vlog_rate_limit error_rl = VLOG_RATE_LIMIT_INIT(60, 5); |
44 | ||
9116730d | 45 | static struct hmap ufid_tc = HMAP_INITIALIZER(&ufid_tc); |
d00eeded | 46 | static bool multi_mask_per_prio = false; |
1ae83bb2 PB |
47 | |
48 | struct netlink_field { | |
49 | int offset; | |
50 | int flower_offset; | |
51 | int size; | |
52 | }; | |
53 | ||
54 | static struct netlink_field set_flower_map[][3] = { | |
55 | [OVS_KEY_ATTR_IPV4] = { | |
56 | { offsetof(struct ovs_key_ipv4, ipv4_src), | |
57 | offsetof(struct tc_flower_key, ipv4.ipv4_src), | |
58 | MEMBER_SIZEOF(struct tc_flower_key, ipv4.ipv4_src) | |
59 | }, | |
60 | { offsetof(struct ovs_key_ipv4, ipv4_dst), | |
61 | offsetof(struct tc_flower_key, ipv4.ipv4_dst), | |
62 | MEMBER_SIZEOF(struct tc_flower_key, ipv4.ipv4_dst) | |
63 | }, | |
64 | { offsetof(struct ovs_key_ipv4, ipv4_ttl), | |
65 | offsetof(struct tc_flower_key, ipv4.rewrite_ttl), | |
66 | MEMBER_SIZEOF(struct tc_flower_key, ipv4.rewrite_ttl) | |
67 | }, | |
68 | }, | |
69 | [OVS_KEY_ATTR_IPV6] = { | |
70 | { offsetof(struct ovs_key_ipv6, ipv6_src), | |
71 | offsetof(struct tc_flower_key, ipv6.ipv6_src), | |
72 | MEMBER_SIZEOF(struct tc_flower_key, ipv6.ipv6_src) | |
73 | }, | |
74 | { offsetof(struct ovs_key_ipv6, ipv6_dst), | |
75 | offsetof(struct tc_flower_key, ipv6.ipv6_dst), | |
76 | MEMBER_SIZEOF(struct tc_flower_key, ipv6.ipv6_dst) | |
77 | }, | |
78 | }, | |
79 | [OVS_KEY_ATTR_ETHERNET] = { | |
80 | { offsetof(struct ovs_key_ethernet, eth_src), | |
81 | offsetof(struct tc_flower_key, src_mac), | |
82 | MEMBER_SIZEOF(struct tc_flower_key, src_mac) | |
83 | }, | |
84 | { offsetof(struct ovs_key_ethernet, eth_dst), | |
85 | offsetof(struct tc_flower_key, dst_mac), | |
86 | MEMBER_SIZEOF(struct tc_flower_key, dst_mac) | |
87 | }, | |
88 | }, | |
89 | [OVS_KEY_ATTR_ETHERTYPE] = { | |
90 | { 0, | |
91 | offsetof(struct tc_flower_key, eth_type), | |
92 | MEMBER_SIZEOF(struct tc_flower_key, eth_type) | |
93 | }, | |
94 | }, | |
95 | [OVS_KEY_ATTR_TCP] = { | |
96 | { offsetof(struct ovs_key_tcp, tcp_src), | |
97 | offsetof(struct tc_flower_key, tcp_src), | |
98 | MEMBER_SIZEOF(struct tc_flower_key, tcp_src) | |
99 | }, | |
100 | { offsetof(struct ovs_key_tcp, tcp_dst), | |
101 | offsetof(struct tc_flower_key, tcp_dst), | |
102 | MEMBER_SIZEOF(struct tc_flower_key, tcp_dst) | |
103 | }, | |
104 | }, | |
105 | [OVS_KEY_ATTR_UDP] = { | |
106 | { offsetof(struct ovs_key_udp, udp_src), | |
107 | offsetof(struct tc_flower_key, udp_src), | |
108 | MEMBER_SIZEOF(struct tc_flower_key, udp_src) | |
109 | }, | |
110 | { offsetof(struct ovs_key_udp, udp_dst), | |
111 | offsetof(struct tc_flower_key, udp_dst), | |
112 | MEMBER_SIZEOF(struct tc_flower_key, udp_dst) | |
113 | }, | |
114 | }, | |
115 | }; | |
116 | ||
9116730d PB |
117 | static struct ovs_mutex ufid_lock = OVS_MUTEX_INITIALIZER; |
118 | ||
119 | /** | |
120 | * struct ufid_tc_data - data entry for ufid_tc hmap. | |
121 | * @ufid_node: Element in @ufid_tc hash table by ufid key. | |
122 | * @tc_node: Element in @ufid_tc hash table by prio/handle/ifindex key. | |
123 | * @ufid: ufid assigned to the flow | |
124 | * @prio: tc priority | |
125 | * @handle: tc handle | |
126 | * @ifindex: netdev ifindex. | |
127 | * @netdev: netdev associated with the tc rule | |
128 | */ | |
129 | struct ufid_tc_data { | |
130 | struct hmap_node ufid_node; | |
131 | struct hmap_node tc_node; | |
132 | ovs_u128 ufid; | |
133 | uint16_t prio; | |
134 | uint32_t handle; | |
135 | int ifindex; | |
136 | struct netdev *netdev; | |
137 | }; | |
138 | ||
139 | /* Remove matching ufid entry from ufid_tc hashmap. */ | |
140 | static void | |
141 | del_ufid_tc_mapping(const ovs_u128 *ufid) | |
142 | { | |
143 | size_t ufid_hash = hash_bytes(ufid, sizeof *ufid, 0); | |
144 | struct ufid_tc_data *data; | |
145 | ||
146 | ovs_mutex_lock(&ufid_lock); | |
147 | HMAP_FOR_EACH_WITH_HASH(data, ufid_node, ufid_hash, &ufid_tc) { | |
148 | if (ovs_u128_equals(*ufid, data->ufid)) { | |
149 | break; | |
150 | } | |
151 | } | |
152 | ||
153 | if (!data) { | |
154 | ovs_mutex_unlock(&ufid_lock); | |
155 | return; | |
156 | } | |
157 | ||
158 | hmap_remove(&ufid_tc, &data->ufid_node); | |
159 | hmap_remove(&ufid_tc, &data->tc_node); | |
160 | netdev_close(data->netdev); | |
161 | free(data); | |
162 | ovs_mutex_unlock(&ufid_lock); | |
163 | } | |
164 | ||
165 | /* Add ufid entry to ufid_tc hashmap. | |
166 | * If entry exists already it will be replaced. */ | |
8f283af8 | 167 | static void |
9116730d PB |
168 | add_ufid_tc_mapping(const ovs_u128 *ufid, int prio, int handle, |
169 | struct netdev *netdev, int ifindex) | |
170 | { | |
171 | size_t ufid_hash = hash_bytes(ufid, sizeof *ufid, 0); | |
172 | size_t tc_hash = hash_int(hash_int(prio, handle), ifindex); | |
173 | struct ufid_tc_data *new_data = xzalloc(sizeof *new_data); | |
174 | ||
175 | del_ufid_tc_mapping(ufid); | |
176 | ||
177 | new_data->ufid = *ufid; | |
178 | new_data->prio = prio; | |
179 | new_data->handle = handle; | |
180 | new_data->netdev = netdev_ref(netdev); | |
181 | new_data->ifindex = ifindex; | |
182 | ||
183 | ovs_mutex_lock(&ufid_lock); | |
184 | hmap_insert(&ufid_tc, &new_data->ufid_node, ufid_hash); | |
185 | hmap_insert(&ufid_tc, &new_data->tc_node, tc_hash); | |
186 | ovs_mutex_unlock(&ufid_lock); | |
187 | } | |
188 | ||
189 | /* Get ufid from ufid_tc hashmap. | |
190 | * | |
191 | * If netdev output param is not NULL then the function will return | |
192 | * associated netdev on success and a refcount is taken on that netdev. | |
193 | * The caller is then responsible to close the netdev. | |
194 | * | |
195 | * Returns handle if successful and fill prio and netdev for that ufid. | |
196 | * Otherwise returns 0. | |
197 | */ | |
8f283af8 | 198 | static int |
9116730d PB |
199 | get_ufid_tc_mapping(const ovs_u128 *ufid, int *prio, struct netdev **netdev) |
200 | { | |
201 | size_t ufid_hash = hash_bytes(ufid, sizeof *ufid, 0); | |
202 | struct ufid_tc_data *data; | |
203 | int handle = 0; | |
204 | ||
205 | ovs_mutex_lock(&ufid_lock); | |
206 | HMAP_FOR_EACH_WITH_HASH(data, ufid_node, ufid_hash, &ufid_tc) { | |
207 | if (ovs_u128_equals(*ufid, data->ufid)) { | |
208 | if (prio) { | |
209 | *prio = data->prio; | |
210 | } | |
211 | if (netdev) { | |
212 | *netdev = netdev_ref(data->netdev); | |
213 | } | |
214 | handle = data->handle; | |
215 | break; | |
216 | } | |
217 | } | |
218 | ovs_mutex_unlock(&ufid_lock); | |
219 | ||
220 | return handle; | |
221 | } | |
222 | ||
223 | /* Find ufid entry in ufid_tc hashmap using prio, handle and netdev. | |
224 | * The result is saved in ufid. | |
225 | * | |
226 | * Returns true on success. | |
227 | */ | |
8f7620e6 | 228 | static bool |
9116730d PB |
229 | find_ufid(int prio, int handle, struct netdev *netdev, ovs_u128 *ufid) |
230 | { | |
231 | int ifindex = netdev_get_ifindex(netdev); | |
232 | struct ufid_tc_data *data; | |
233 | size_t tc_hash = hash_int(hash_int(prio, handle), ifindex); | |
234 | ||
235 | ovs_mutex_lock(&ufid_lock); | |
236 | HMAP_FOR_EACH_WITH_HASH(data, tc_node, tc_hash, &ufid_tc) { | |
237 | if (data->prio == prio && data->handle == handle | |
238 | && data->ifindex == ifindex) { | |
239 | *ufid = data->ufid; | |
240 | break; | |
241 | } | |
242 | } | |
243 | ovs_mutex_unlock(&ufid_lock); | |
244 | ||
245 | return (data != NULL); | |
246 | } | |
247 | ||
d86eea7c PB |
248 | struct prio_map_data { |
249 | struct hmap_node node; | |
250 | struct tc_flower_key mask; | |
251 | ovs_be16 protocol; | |
252 | uint16_t prio; | |
253 | }; | |
254 | ||
255 | /* Get free prio for tc flower | |
256 | * If prio is already allocated for mask/eth_type combination then return it. | |
257 | * If not assign new prio. | |
258 | * | |
259 | * Return prio on success or 0 if we are out of prios. | |
260 | */ | |
8f283af8 | 261 | static uint16_t |
d86eea7c PB |
262 | get_prio_for_tc_flower(struct tc_flower *flower) |
263 | { | |
264 | static struct hmap prios = HMAP_INITIALIZER(&prios); | |
265 | static struct ovs_mutex prios_lock = OVS_MUTEX_INITIALIZER; | |
266 | static uint16_t last_prio = 0; | |
267 | size_t key_len = sizeof(struct tc_flower_key); | |
d00eeded | 268 | size_t hash = hash_int((OVS_FORCE uint32_t) flower->key.eth_type, 0); |
d86eea7c PB |
269 | struct prio_map_data *data; |
270 | struct prio_map_data *new_data; | |
271 | ||
d00eeded PB |
272 | if (!multi_mask_per_prio) { |
273 | hash = hash_bytes(&flower->mask, key_len, hash); | |
274 | } | |
275 | ||
d86eea7c PB |
276 | /* We can use the same prio for same mask/eth combination but must have |
277 | * different prio if not. Flower classifier will reject same prio for | |
d00eeded | 278 | * different mask combination unless multi mask per prio is supported. */ |
d86eea7c PB |
279 | ovs_mutex_lock(&prios_lock); |
280 | HMAP_FOR_EACH_WITH_HASH(data, node, hash, &prios) { | |
d00eeded PB |
281 | if ((multi_mask_per_prio |
282 | || !memcmp(&flower->mask, &data->mask, key_len)) | |
d86eea7c PB |
283 | && data->protocol == flower->key.eth_type) { |
284 | ovs_mutex_unlock(&prios_lock); | |
285 | return data->prio; | |
286 | } | |
287 | } | |
288 | ||
289 | if (last_prio == UINT16_MAX) { | |
290 | /* last_prio can overflow if there will be many different kinds of | |
291 | * flows which shouldn't happen organically. */ | |
292 | ovs_mutex_unlock(&prios_lock); | |
293 | return 0; | |
294 | } | |
295 | ||
296 | new_data = xzalloc(sizeof *new_data); | |
297 | memcpy(&new_data->mask, &flower->mask, key_len); | |
298 | new_data->prio = ++last_prio; | |
299 | new_data->protocol = flower->key.eth_type; | |
300 | hmap_insert(&prios, &new_data->node, hash); | |
301 | ovs_mutex_unlock(&prios_lock); | |
302 | ||
303 | return new_data->prio; | |
304 | } | |
305 | ||
18ebd48c | 306 | int |
8140a5ff | 307 | netdev_tc_flow_flush(struct netdev *netdev) |
18ebd48c | 308 | { |
8140a5ff PB |
309 | int ifindex = netdev_get_ifindex(netdev); |
310 | ||
311 | if (ifindex < 0) { | |
0164f10c | 312 | VLOG_ERR_RL(&error_rl, "flow_flush: failed to get ifindex for %s: %s", |
8140a5ff PB |
313 | netdev_get_name(netdev), ovs_strerror(-ifindex)); |
314 | return -ifindex; | |
315 | } | |
316 | ||
317 | return tc_flush(ifindex); | |
18ebd48c PB |
318 | } |
319 | ||
320 | int | |
321 | netdev_tc_flow_dump_create(struct netdev *netdev, | |
322 | struct netdev_flow_dump **dump_out) | |
323 | { | |
8f7620e6 PB |
324 | struct netdev_flow_dump *dump; |
325 | int ifindex; | |
326 | ||
327 | ifindex = netdev_get_ifindex(netdev); | |
328 | if (ifindex < 0) { | |
0164f10c | 329 | VLOG_ERR_RL(&error_rl, "dump_create: failed to get ifindex for %s: %s", |
8f7620e6 PB |
330 | netdev_get_name(netdev), ovs_strerror(-ifindex)); |
331 | return -ifindex; | |
332 | } | |
18ebd48c | 333 | |
8f7620e6 PB |
334 | dump = xzalloc(sizeof *dump); |
335 | dump->nl_dump = xzalloc(sizeof *dump->nl_dump); | |
18ebd48c | 336 | dump->netdev = netdev_ref(netdev); |
8f7620e6 | 337 | tc_dump_flower_start(ifindex, dump->nl_dump); |
18ebd48c PB |
338 | |
339 | *dump_out = dump; | |
340 | ||
341 | return 0; | |
342 | } | |
343 | ||
344 | int | |
345 | netdev_tc_flow_dump_destroy(struct netdev_flow_dump *dump) | |
346 | { | |
8f7620e6 | 347 | nl_dump_done(dump->nl_dump); |
18ebd48c | 348 | netdev_close(dump->netdev); |
8f7620e6 | 349 | free(dump->nl_dump); |
18ebd48c | 350 | free(dump); |
8f7620e6 PB |
351 | return 0; |
352 | } | |
353 | ||
1ae83bb2 PB |
354 | static void |
355 | parse_flower_rewrite_to_netlink_action(struct ofpbuf *buf, | |
356 | struct tc_flower *flower) | |
357 | { | |
358 | char *mask = (char *) &flower->rewrite.mask; | |
359 | char *data = (char *) &flower->rewrite.key; | |
360 | ||
361 | for (int type = 0; type < ARRAY_SIZE(set_flower_map); type++) { | |
362 | char *put = NULL; | |
363 | size_t nested = 0; | |
364 | int len = ovs_flow_key_attr_lens[type].len; | |
365 | ||
366 | if (len <= 0) { | |
367 | continue; | |
368 | } | |
369 | ||
370 | for (int j = 0; j < ARRAY_SIZE(set_flower_map[type]); j++) { | |
371 | struct netlink_field *f = &set_flower_map[type][j]; | |
372 | ||
373 | if (!f->size) { | |
374 | break; | |
375 | } | |
376 | ||
377 | if (!is_all_zeros(mask + f->flower_offset, f->size)) { | |
378 | if (!put) { | |
379 | nested = nl_msg_start_nested(buf, | |
380 | OVS_ACTION_ATTR_SET_MASKED); | |
381 | put = nl_msg_put_unspec_zero(buf, type, len * 2); | |
382 | } | |
383 | ||
384 | memcpy(put + f->offset, data + f->flower_offset, f->size); | |
385 | memcpy(put + len + f->offset, | |
386 | mask + f->flower_offset, f->size); | |
387 | } | |
388 | } | |
389 | ||
390 | if (put) { | |
391 | nl_msg_end_nested(buf, nested); | |
392 | } | |
393 | } | |
394 | } | |
395 | ||
8f7620e6 PB |
396 | static int |
397 | parse_tc_flower_to_match(struct tc_flower *flower, | |
398 | struct match *match, | |
399 | struct nlattr **actions, | |
400 | struct dpif_flow_stats *stats, | |
0c70132c CM |
401 | struct ofpbuf *buf) |
402 | { | |
8f7620e6 PB |
403 | size_t act_off; |
404 | struct tc_flower_key *key = &flower->key; | |
405 | struct tc_flower_key *mask = &flower->mask; | |
406 | odp_port_t outport = 0; | |
0c70132c CM |
407 | struct tc_action *action; |
408 | int i; | |
8f7620e6 PB |
409 | |
410 | ofpbuf_clear(buf); | |
411 | ||
412 | match_init_catchall(match); | |
413 | match_set_dl_src_masked(match, key->src_mac, mask->src_mac); | |
414 | match_set_dl_dst_masked(match, key->dst_mac, mask->dst_mac); | |
415 | ||
416 | if (key->eth_type == htons(ETH_TYPE_VLAN)) { | |
417 | match_set_dl_vlan(match, htons(key->vlan_id)); | |
418 | match_set_dl_vlan_pcp(match, key->vlan_prio); | |
419 | match_set_dl_type(match, key->encap_eth_type); | |
420 | flow_fix_vlan_tpid(&match->flow); | |
421 | } else { | |
422 | match_set_dl_type(match, key->eth_type); | |
423 | } | |
424 | ||
83a87fae PB |
425 | if (is_ip_any(&match->flow)) { |
426 | if (key->ip_proto) { | |
427 | match_set_nw_proto(match, key->ip_proto); | |
428 | } | |
8f7620e6 | 429 | |
ab7ecf26 PB |
430 | match_set_nw_ttl_masked(match, key->ip_ttl, mask->ip_ttl); |
431 | ||
83e86606 RD |
432 | if (mask->flags) { |
433 | uint8_t flags = 0; | |
434 | uint8_t flags_mask = 0; | |
435 | ||
436 | if (mask->flags & TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT) { | |
437 | if (key->flags & TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT) { | |
438 | flags |= FLOW_NW_FRAG_ANY; | |
439 | } | |
440 | flags_mask |= FLOW_NW_FRAG_ANY; | |
441 | } | |
442 | ||
443 | if (mask->flags & TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST) { | |
444 | if (!(key->flags & TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST)) { | |
445 | flags |= FLOW_NW_FRAG_LATER; | |
446 | } | |
447 | flags_mask |= FLOW_NW_FRAG_LATER; | |
448 | } | |
449 | ||
450 | match_set_nw_frag_masked(match, flags, flags_mask); | |
451 | } | |
452 | ||
83a87fae PB |
453 | match_set_nw_src_masked(match, key->ipv4.ipv4_src, mask->ipv4.ipv4_src); |
454 | match_set_nw_dst_masked(match, key->ipv4.ipv4_dst, mask->ipv4.ipv4_dst); | |
8f7620e6 | 455 | |
83a87fae PB |
456 | match_set_ipv6_src_masked(match, |
457 | &key->ipv6.ipv6_src, &mask->ipv6.ipv6_src); | |
458 | match_set_ipv6_dst_masked(match, | |
459 | &key->ipv6.ipv6_dst, &mask->ipv6.ipv6_dst); | |
8f7620e6 | 460 | |
2b1d9fa9 PB |
461 | if (key->ip_proto == IPPROTO_TCP) { |
462 | match_set_tp_dst_masked(match, key->tcp_dst, mask->tcp_dst); | |
463 | match_set_tp_src_masked(match, key->tcp_src, mask->tcp_src); | |
f2698407 | 464 | match_set_tcp_flags_masked(match, key->tcp_flags, mask->tcp_flags); |
2b1d9fa9 PB |
465 | } else if (key->ip_proto == IPPROTO_UDP) { |
466 | match_set_tp_dst_masked(match, key->udp_dst, mask->udp_dst); | |
467 | match_set_tp_src_masked(match, key->udp_src, mask->udp_src); | |
a238dbb5 RD |
468 | } else if (key->ip_proto == IPPROTO_SCTP) { |
469 | match_set_tp_dst_masked(match, key->sctp_dst, mask->sctp_dst); | |
470 | match_set_tp_src_masked(match, key->sctp_src, mask->sctp_src); | |
2b1d9fa9 PB |
471 | } |
472 | } | |
8f7620e6 PB |
473 | |
474 | if (flower->tunnel.tunnel) { | |
475 | match_set_tun_id(match, flower->tunnel.id); | |
476 | if (flower->tunnel.ipv4.ipv4_dst) { | |
477 | match_set_tun_src(match, flower->tunnel.ipv4.ipv4_src); | |
478 | match_set_tun_dst(match, flower->tunnel.ipv4.ipv4_dst); | |
479 | } else if (!is_all_zeros(&flower->tunnel.ipv6.ipv6_dst, | |
480 | sizeof flower->tunnel.ipv6.ipv6_dst)) { | |
481 | match_set_tun_ipv6_src(match, &flower->tunnel.ipv6.ipv6_src); | |
482 | match_set_tun_ipv6_dst(match, &flower->tunnel.ipv6.ipv6_dst); | |
483 | } | |
484 | if (flower->tunnel.tp_dst) { | |
485 | match_set_tun_tp_dst(match, flower->tunnel.tp_dst); | |
486 | } | |
487 | } | |
488 | ||
489 | act_off = nl_msg_start_nested(buf, OVS_FLOW_ATTR_ACTIONS); | |
490 | { | |
0c70132c CM |
491 | action = flower->actions; |
492 | for (i = 0; i < flower->action_count; i++, action++) { | |
493 | switch (action->type) { | |
494 | case TC_ACT_VLAN_POP: { | |
495 | nl_msg_put_flag(buf, OVS_ACTION_ATTR_POP_VLAN); | |
8f7620e6 | 496 | } |
0c70132c CM |
497 | break; |
498 | case TC_ACT_VLAN_PUSH: { | |
499 | struct ovs_action_push_vlan *push; | |
500 | ||
501 | push = nl_msg_put_unspec_zero(buf, OVS_ACTION_ATTR_PUSH_VLAN, | |
502 | sizeof *push); | |
503 | push->vlan_tpid = htons(ETH_TYPE_VLAN); | |
504 | push->vlan_tci = htons(action->vlan.vlan_push_id | |
505 | | (action->vlan.vlan_push_prio << 13) | |
506 | | VLAN_CFI); | |
8f7620e6 | 507 | } |
0c70132c CM |
508 | break; |
509 | case TC_ACT_PEDIT: { | |
510 | parse_flower_rewrite_to_netlink_action(buf, flower); | |
8f7620e6 | 511 | } |
0c70132c CM |
512 | break; |
513 | case TC_ACT_ENCAP: { | |
514 | size_t set_offset = nl_msg_start_nested(buf, OVS_ACTION_ATTR_SET); | |
515 | size_t tunnel_offset = | |
516 | nl_msg_start_nested(buf, OVS_KEY_ATTR_TUNNEL); | |
517 | ||
518 | nl_msg_put_be64(buf, OVS_TUNNEL_KEY_ATTR_ID, action->encap.id); | |
519 | if (action->encap.ipv4.ipv4_src) { | |
520 | nl_msg_put_be32(buf, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, | |
521 | action->encap.ipv4.ipv4_src); | |
522 | } | |
523 | if (action->encap.ipv4.ipv4_dst) { | |
524 | nl_msg_put_be32(buf, OVS_TUNNEL_KEY_ATTR_IPV4_DST, | |
525 | action->encap.ipv4.ipv4_dst); | |
526 | } | |
527 | if (!is_all_zeros(&action->encap.ipv6.ipv6_src, | |
528 | sizeof action->encap.ipv6.ipv6_src)) { | |
529 | nl_msg_put_in6_addr(buf, OVS_TUNNEL_KEY_ATTR_IPV6_SRC, | |
530 | &action->encap.ipv6.ipv6_src); | |
531 | } | |
532 | if (!is_all_zeros(&action->encap.ipv6.ipv6_dst, | |
533 | sizeof action->encap.ipv6.ipv6_dst)) { | |
534 | nl_msg_put_in6_addr(buf, OVS_TUNNEL_KEY_ATTR_IPV6_DST, | |
535 | &action->encap.ipv6.ipv6_dst); | |
536 | } | |
537 | nl_msg_put_be16(buf, OVS_TUNNEL_KEY_ATTR_TP_DST, | |
538 | action->encap.tp_dst); | |
8f7620e6 | 539 | |
0c70132c CM |
540 | nl_msg_end_nested(buf, tunnel_offset); |
541 | nl_msg_end_nested(buf, set_offset); | |
542 | } | |
543 | break; | |
544 | case TC_ACT_OUTPUT: { | |
545 | if (action->ifindex_out) { | |
546 | outport = netdev_ifindex_to_odp_port(action->ifindex_out); | |
547 | if (!outport) { | |
548 | return ENOENT; | |
549 | } | |
550 | } | |
551 | nl_msg_put_u32(buf, OVS_ACTION_ATTR_OUTPUT, odp_to_u32(outport)); | |
552 | } | |
553 | break; | |
554 | } | |
8f7620e6 | 555 | } |
8f7620e6 PB |
556 | } |
557 | nl_msg_end_nested(buf, act_off); | |
558 | ||
559 | *actions = ofpbuf_at_assert(buf, act_off, sizeof(struct nlattr)); | |
560 | ||
561 | if (stats) { | |
562 | memset(stats, 0, sizeof *stats); | |
563 | stats->n_packets = get_32aligned_u64(&flower->stats.n_packets); | |
564 | stats->n_bytes = get_32aligned_u64(&flower->stats.n_bytes); | |
565 | stats->used = flower->lastused; | |
566 | } | |
18ebd48c PB |
567 | |
568 | return 0; | |
569 | } | |
570 | ||
571 | bool | |
8f7620e6 PB |
572 | netdev_tc_flow_dump_next(struct netdev_flow_dump *dump, |
573 | struct match *match, | |
574 | struct nlattr **actions, | |
575 | struct dpif_flow_stats *stats, | |
576 | ovs_u128 *ufid, | |
577 | struct ofpbuf *rbuffer, | |
578 | struct ofpbuf *wbuffer) | |
18ebd48c | 579 | { |
8f7620e6 PB |
580 | struct ofpbuf nl_flow; |
581 | ||
582 | while (nl_dump_next(dump->nl_dump, &nl_flow, rbuffer)) { | |
583 | struct tc_flower flower; | |
584 | struct netdev *netdev = dump->netdev; | |
585 | ||
586 | if (parse_netlink_to_tc_flower(&nl_flow, &flower)) { | |
587 | continue; | |
588 | } | |
589 | ||
590 | if (parse_tc_flower_to_match(&flower, match, actions, stats, | |
591 | wbuffer)) { | |
592 | continue; | |
593 | } | |
594 | ||
595 | if (flower.act_cookie.len) { | |
596 | *ufid = *((ovs_u128 *) flower.act_cookie.data); | |
597 | } else if (!find_ufid(flower.prio, flower.handle, netdev, ufid)) { | |
598 | continue; | |
599 | } | |
600 | ||
601 | match->wc.masks.in_port.odp_port = u32_to_odp(UINT32_MAX); | |
602 | match->flow.in_port.odp_port = dump->port; | |
603 | ||
604 | return true; | |
605 | } | |
606 | ||
18ebd48c PB |
607 | return false; |
608 | } | |
609 | ||
1ae83bb2 PB |
610 | static int |
611 | parse_put_flow_set_masked_action(struct tc_flower *flower, | |
0c70132c | 612 | struct tc_action *action, |
1ae83bb2 PB |
613 | const struct nlattr *set, |
614 | size_t set_len, | |
615 | bool hasmask) | |
616 | { | |
617 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20); | |
40f58368 BP |
618 | uint64_t set_stub[1024 / 8]; |
619 | struct ofpbuf set_buf = OFPBUF_STUB_INITIALIZER(set_stub); | |
620 | char *set_data, *set_mask; | |
1ae83bb2 PB |
621 | char *key = (char *) &flower->rewrite.key; |
622 | char *mask = (char *) &flower->rewrite.mask; | |
623 | const struct nlattr *attr; | |
624 | int i, j, type; | |
625 | size_t size; | |
626 | ||
627 | /* copy so we can set attr mask to 0 for used ovs key struct members */ | |
40f58368 | 628 | attr = ofpbuf_put(&set_buf, set, set_len); |
1ae83bb2 PB |
629 | |
630 | type = nl_attr_type(attr); | |
631 | size = nl_attr_get_size(attr) / 2; | |
632 | set_data = CONST_CAST(char *, nl_attr_get(attr)); | |
633 | set_mask = set_data + size; | |
634 | ||
635 | if (type >= ARRAY_SIZE(set_flower_map) | |
636 | || !set_flower_map[type][0].size) { | |
637 | VLOG_DBG_RL(&rl, "unsupported set action type: %d", type); | |
40f58368 | 638 | ofpbuf_uninit(&set_buf); |
1ae83bb2 PB |
639 | return EOPNOTSUPP; |
640 | } | |
641 | ||
642 | for (i = 0; i < ARRAY_SIZE(set_flower_map[type]); i++) { | |
643 | struct netlink_field *f = &set_flower_map[type][i]; | |
644 | ||
645 | if (!f->size) { | |
646 | break; | |
647 | } | |
648 | ||
649 | /* copy masked value */ | |
650 | for (j = 0; j < f->size; j++) { | |
651 | char maskval = hasmask ? set_mask[f->offset + j] : 0xFF; | |
652 | ||
653 | key[f->flower_offset + j] = maskval & set_data[f->offset + j]; | |
654 | mask[f->flower_offset + j] = maskval; | |
655 | ||
656 | } | |
657 | ||
658 | /* set its mask to 0 to show it's been used. */ | |
659 | if (hasmask) { | |
660 | memset(set_mask + f->offset, 0, f->size); | |
661 | } | |
662 | } | |
663 | ||
664 | if (!is_all_zeros(&flower->rewrite, sizeof flower->rewrite)) { | |
0c70132c CM |
665 | if (flower->rewrite.rewrite == false) { |
666 | flower->rewrite.rewrite = true; | |
667 | action->type = TC_ACT_PEDIT; | |
668 | flower->action_count++; | |
669 | } | |
1ae83bb2 PB |
670 | } |
671 | ||
672 | if (hasmask && !is_all_zeros(set_mask, size)) { | |
673 | VLOG_DBG_RL(&rl, "unsupported sub attribute of set action type %d", | |
674 | type); | |
40f58368 | 675 | ofpbuf_uninit(&set_buf); |
1ae83bb2 PB |
676 | return EOPNOTSUPP; |
677 | } | |
678 | ||
40f58368 | 679 | ofpbuf_uninit(&set_buf); |
1ae83bb2 PB |
680 | return 0; |
681 | } | |
682 | ||
8f283af8 | 683 | static int |
0c70132c CM |
684 | parse_put_flow_set_action(struct tc_flower *flower, struct tc_action *action, |
685 | const struct nlattr *set, size_t set_len) | |
8f283af8 | 686 | { |
518bbe99 PB |
687 | const struct nlattr *tunnel; |
688 | const struct nlattr *tun_attr; | |
689 | size_t tun_left, tunnel_len; | |
690 | ||
691 | if (nl_attr_type(set) != OVS_KEY_ATTR_TUNNEL) { | |
0c70132c CM |
692 | return parse_put_flow_set_masked_action(flower, action, set, |
693 | set_len, false); | |
518bbe99 PB |
694 | } |
695 | ||
696 | tunnel = nl_attr_get(set); | |
697 | tunnel_len = nl_attr_get_size(set); | |
698 | ||
0c70132c CM |
699 | action->type = TC_ACT_ENCAP; |
700 | flower->action_count++; | |
518bbe99 PB |
701 | NL_ATTR_FOR_EACH_UNSAFE(tun_attr, tun_left, tunnel, tunnel_len) { |
702 | switch (nl_attr_type(tun_attr)) { | |
703 | case OVS_TUNNEL_KEY_ATTR_ID: { | |
0c70132c | 704 | action->encap.id = nl_attr_get_be64(tun_attr); |
518bbe99 PB |
705 | } |
706 | break; | |
707 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: { | |
0c70132c | 708 | action->encap.ipv4.ipv4_src = nl_attr_get_be32(tun_attr); |
518bbe99 PB |
709 | } |
710 | break; | |
711 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: { | |
0c70132c | 712 | action->encap.ipv4.ipv4_dst = nl_attr_get_be32(tun_attr); |
518bbe99 PB |
713 | } |
714 | break; | |
715 | case OVS_TUNNEL_KEY_ATTR_IPV6_SRC: { | |
0c70132c | 716 | action->encap.ipv6.ipv6_src = |
518bbe99 PB |
717 | nl_attr_get_in6_addr(tun_attr); |
718 | } | |
719 | break; | |
720 | case OVS_TUNNEL_KEY_ATTR_IPV6_DST: { | |
0c70132c | 721 | action->encap.ipv6.ipv6_dst = |
518bbe99 PB |
722 | nl_attr_get_in6_addr(tun_attr); |
723 | } | |
724 | break; | |
725 | case OVS_TUNNEL_KEY_ATTR_TP_SRC: { | |
0c70132c | 726 | action->encap.tp_src = nl_attr_get_be16(tun_attr); |
518bbe99 PB |
727 | } |
728 | break; | |
729 | case OVS_TUNNEL_KEY_ATTR_TP_DST: { | |
0c70132c | 730 | action->encap.tp_dst = nl_attr_get_be16(tun_attr); |
518bbe99 PB |
731 | } |
732 | break; | |
8f283af8 PB |
733 | } |
734 | } | |
518bbe99 | 735 | |
8f283af8 PB |
736 | return 0; |
737 | } | |
738 | ||
739 | static int | |
740 | test_key_and_mask(struct match *match) | |
741 | { | |
742 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20); | |
743 | const struct flow *key = &match->flow; | |
744 | struct flow *mask = &match->wc.masks; | |
745 | ||
746 | if (mask->pkt_mark) { | |
747 | VLOG_DBG_RL(&rl, "offloading attribute pkt_mark isn't supported"); | |
748 | return EOPNOTSUPP; | |
749 | } | |
750 | ||
751 | if (mask->recirc_id && key->recirc_id) { | |
752 | VLOG_DBG_RL(&rl, "offloading attribute recirc_id isn't supported"); | |
753 | return EOPNOTSUPP; | |
754 | } | |
755 | mask->recirc_id = 0; | |
756 | ||
757 | if (mask->dp_hash) { | |
758 | VLOG_DBG_RL(&rl, "offloading attribute dp_hash isn't supported"); | |
759 | return EOPNOTSUPP; | |
760 | } | |
761 | ||
762 | if (mask->conj_id) { | |
763 | VLOG_DBG_RL(&rl, "offloading attribute conj_id isn't supported"); | |
764 | return EOPNOTSUPP; | |
765 | } | |
766 | ||
767 | if (mask->skb_priority) { | |
768 | VLOG_DBG_RL(&rl, "offloading attribute skb_priority isn't supported"); | |
769 | return EOPNOTSUPP; | |
770 | } | |
771 | ||
772 | if (mask->actset_output) { | |
773 | VLOG_DBG_RL(&rl, | |
774 | "offloading attribute actset_output isn't supported"); | |
775 | return EOPNOTSUPP; | |
776 | } | |
777 | ||
778 | if (mask->ct_state) { | |
779 | VLOG_DBG_RL(&rl, "offloading attribute ct_state isn't supported"); | |
780 | return EOPNOTSUPP; | |
781 | } | |
782 | ||
783 | if (mask->ct_zone) { | |
784 | VLOG_DBG_RL(&rl, "offloading attribute ct_zone isn't supported"); | |
785 | return EOPNOTSUPP; | |
786 | } | |
787 | ||
788 | if (mask->ct_mark) { | |
789 | VLOG_DBG_RL(&rl, "offloading attribute ct_mark isn't supported"); | |
790 | return EOPNOTSUPP; | |
791 | } | |
792 | ||
793 | if (mask->packet_type && key->packet_type) { | |
794 | VLOG_DBG_RL(&rl, "offloading attribute packet_type isn't supported"); | |
795 | return EOPNOTSUPP; | |
796 | } | |
797 | mask->packet_type = 0; | |
798 | ||
799 | if (!ovs_u128_is_zero(mask->ct_label)) { | |
800 | VLOG_DBG_RL(&rl, "offloading attribute ct_label isn't supported"); | |
801 | return EOPNOTSUPP; | |
802 | } | |
803 | ||
804 | for (int i = 0; i < FLOW_N_REGS; i++) { | |
805 | if (mask->regs[i]) { | |
806 | VLOG_DBG_RL(&rl, | |
807 | "offloading attribute regs[%d] isn't supported", i); | |
808 | return EOPNOTSUPP; | |
809 | } | |
810 | } | |
811 | ||
812 | if (mask->metadata) { | |
813 | VLOG_DBG_RL(&rl, "offloading attribute metadata isn't supported"); | |
814 | return EOPNOTSUPP; | |
815 | } | |
816 | ||
817 | if (mask->nw_tos) { | |
818 | VLOG_DBG_RL(&rl, "offloading attribute nw_tos isn't supported"); | |
819 | return EOPNOTSUPP; | |
820 | } | |
821 | ||
8f283af8 PB |
822 | for (int i = 0; i < FLOW_MAX_MPLS_LABELS; i++) { |
823 | if (mask->mpls_lse[i]) { | |
824 | VLOG_DBG_RL(&rl, "offloading attribute mpls_lse isn't supported"); | |
825 | return EOPNOTSUPP; | |
826 | } | |
827 | } | |
828 | ||
829 | if (key->dl_type == htons(ETH_TYPE_IP) && | |
830 | key->nw_proto == IPPROTO_ICMP) { | |
831 | if (mask->tp_src) { | |
832 | VLOG_DBG_RL(&rl, | |
833 | "offloading attribute icmp_type isn't supported"); | |
834 | return EOPNOTSUPP; | |
835 | } | |
836 | if (mask->tp_dst) { | |
837 | VLOG_DBG_RL(&rl, | |
838 | "offloading attribute icmp_code isn't supported"); | |
839 | return EOPNOTSUPP; | |
840 | } | |
841 | } else if (key->dl_type == htons(ETH_TYPE_IP) && | |
842 | key->nw_proto == IPPROTO_IGMP) { | |
843 | if (mask->tp_src) { | |
844 | VLOG_DBG_RL(&rl, | |
845 | "offloading attribute igmp_type isn't supported"); | |
846 | return EOPNOTSUPP; | |
847 | } | |
848 | if (mask->tp_dst) { | |
849 | VLOG_DBG_RL(&rl, | |
850 | "offloading attribute igmp_code isn't supported"); | |
851 | return EOPNOTSUPP; | |
852 | } | |
853 | } else if (key->dl_type == htons(ETH_TYPE_IPV6) && | |
854 | key->nw_proto == IPPROTO_ICMPV6) { | |
855 | if (mask->tp_src) { | |
856 | VLOG_DBG_RL(&rl, | |
857 | "offloading attribute icmp_type isn't supported"); | |
858 | return EOPNOTSUPP; | |
859 | } | |
860 | if (mask->tp_dst) { | |
861 | VLOG_DBG_RL(&rl, | |
862 | "offloading attribute icmp_code isn't supported"); | |
863 | return EOPNOTSUPP; | |
864 | } | |
865 | } | |
8f283af8 PB |
866 | |
867 | if (!is_all_zeros(mask, sizeof *mask)) { | |
868 | VLOG_DBG_RL(&rl, "offloading isn't supported, unknown attribute"); | |
869 | return EOPNOTSUPP; | |
870 | } | |
871 | ||
872 | return 0; | |
873 | } | |
874 | ||
18ebd48c | 875 | int |
8f283af8 PB |
876 | netdev_tc_flow_put(struct netdev *netdev, struct match *match, |
877 | struct nlattr *actions, size_t actions_len, | |
878 | const ovs_u128 *ufid, struct offload_info *info, | |
18ebd48c PB |
879 | struct dpif_flow_stats *stats OVS_UNUSED) |
880 | { | |
8f283af8 PB |
881 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20); |
882 | struct tc_flower flower; | |
883 | const struct flow *key = &match->flow; | |
884 | struct flow *mask = &match->wc.masks; | |
885 | const struct flow_tnl *tnl = &match->flow.tunnel; | |
0c70132c | 886 | struct tc_action *action; |
8f283af8 PB |
887 | struct nlattr *nla; |
888 | size_t left; | |
889 | int prio = 0; | |
890 | int handle; | |
891 | int ifindex; | |
892 | int err; | |
893 | ||
894 | ifindex = netdev_get_ifindex(netdev); | |
895 | if (ifindex < 0) { | |
0164f10c | 896 | VLOG_ERR_RL(&error_rl, "flow_put: failed to get ifindex for %s: %s", |
8f283af8 PB |
897 | netdev_get_name(netdev), ovs_strerror(-ifindex)); |
898 | return -ifindex; | |
899 | } | |
900 | ||
901 | memset(&flower, 0, sizeof flower); | |
902 | ||
a90120fc | 903 | if (flow_tnl_dst_is_set(&key->tunnel)) { |
8f283af8 PB |
904 | VLOG_DBG_RL(&rl, |
905 | "tunnel: id %#" PRIx64 " src " IP_FMT | |
906 | " dst " IP_FMT " tp_src %d tp_dst %d", | |
907 | ntohll(tnl->tun_id), | |
908 | IP_ARGS(tnl->ip_src), IP_ARGS(tnl->ip_dst), | |
909 | ntohs(tnl->tp_src), ntohs(tnl->tp_dst)); | |
910 | flower.tunnel.id = tnl->tun_id; | |
911 | flower.tunnel.ipv4.ipv4_src = tnl->ip_src; | |
912 | flower.tunnel.ipv4.ipv4_dst = tnl->ip_dst; | |
913 | flower.tunnel.ipv6.ipv6_src = tnl->ipv6_src; | |
914 | flower.tunnel.ipv6.ipv6_dst = tnl->ipv6_dst; | |
915 | flower.tunnel.tp_src = tnl->tp_src; | |
916 | flower.tunnel.tp_dst = tnl->tp_dst; | |
917 | flower.tunnel.tunnel = true; | |
8f283af8 | 918 | } |
a90120fc | 919 | memset(&mask->tunnel, 0, sizeof mask->tunnel); |
8f283af8 PB |
920 | |
921 | flower.key.eth_type = key->dl_type; | |
922 | flower.mask.eth_type = mask->dl_type; | |
923 | ||
924 | if (mask->vlans[0].tci) { | |
925 | ovs_be16 vid_mask = mask->vlans[0].tci & htons(VLAN_VID_MASK); | |
926 | ovs_be16 pcp_mask = mask->vlans[0].tci & htons(VLAN_PCP_MASK); | |
927 | ovs_be16 cfi = mask->vlans[0].tci & htons(VLAN_CFI); | |
928 | ||
929 | if (cfi && key->vlans[0].tci & htons(VLAN_CFI) | |
930 | && (!vid_mask || vid_mask == htons(VLAN_VID_MASK)) | |
931 | && (!pcp_mask || pcp_mask == htons(VLAN_PCP_MASK)) | |
932 | && (vid_mask || pcp_mask)) { | |
933 | if (vid_mask) { | |
934 | flower.key.vlan_id = vlan_tci_to_vid(key->vlans[0].tci); | |
935 | VLOG_DBG_RL(&rl, "vlan_id: %d\n", flower.key.vlan_id); | |
936 | } | |
937 | if (pcp_mask) { | |
938 | flower.key.vlan_prio = vlan_tci_to_pcp(key->vlans[0].tci); | |
939 | VLOG_DBG_RL(&rl, "vlan_prio: %d\n", flower.key.vlan_prio); | |
940 | } | |
941 | flower.key.encap_eth_type = flower.key.eth_type; | |
942 | flower.key.eth_type = htons(ETH_TYPE_VLAN); | |
943 | } else if (mask->vlans[0].tci == htons(0xffff) && | |
944 | ntohs(key->vlans[0].tci) == 0) { | |
945 | /* exact && no vlan */ | |
946 | } else { | |
947 | /* partial mask */ | |
948 | return EOPNOTSUPP; | |
949 | } | |
950 | } else if (mask->vlans[1].tci) { | |
951 | return EOPNOTSUPP; | |
952 | } | |
953 | memset(mask->vlans, 0, sizeof mask->vlans); | |
954 | ||
955 | flower.key.dst_mac = key->dl_dst; | |
956 | flower.mask.dst_mac = mask->dl_dst; | |
957 | flower.key.src_mac = key->dl_src; | |
958 | flower.mask.src_mac = mask->dl_src; | |
959 | memset(&mask->dl_dst, 0, sizeof mask->dl_dst); | |
960 | memset(&mask->dl_src, 0, sizeof mask->dl_src); | |
961 | mask->dl_type = 0; | |
962 | mask->in_port.odp_port = 0; | |
963 | ||
964 | if (is_ip_any(key)) { | |
965 | flower.key.ip_proto = key->nw_proto; | |
966 | flower.mask.ip_proto = mask->nw_proto; | |
ab7ecf26 PB |
967 | flower.key.ip_ttl = key->nw_ttl; |
968 | flower.mask.ip_ttl = mask->nw_ttl; | |
8f283af8 | 969 | |
45a60c21 RD |
970 | if (mask->nw_frag & FLOW_NW_FRAG_ANY) { |
971 | flower.mask.flags |= TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT; | |
972 | ||
973 | if (key->nw_frag & FLOW_NW_FRAG_ANY) { | |
83e86606 | 974 | flower.key.flags |= TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT; |
83e86606 | 975 | |
45a60c21 RD |
976 | if (mask->nw_frag & FLOW_NW_FRAG_LATER) { |
977 | flower.mask.flags |= TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST; | |
978 | ||
979 | if (!(key->nw_frag & FLOW_NW_FRAG_LATER)) { | |
980 | flower.key.flags |= TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST; | |
981 | } | |
982 | } | |
983 | } | |
984 | ||
83e86606 RD |
985 | mask->nw_frag = 0; |
986 | } | |
987 | ||
2b1d9fa9 PB |
988 | if (key->nw_proto == IPPROTO_TCP) { |
989 | flower.key.tcp_dst = key->tp_dst; | |
990 | flower.mask.tcp_dst = mask->tp_dst; | |
991 | flower.key.tcp_src = key->tp_src; | |
992 | flower.mask.tcp_src = mask->tp_src; | |
f2698407 PB |
993 | flower.key.tcp_flags = key->tcp_flags; |
994 | flower.mask.tcp_flags = mask->tcp_flags; | |
2b1d9fa9 PB |
995 | mask->tp_src = 0; |
996 | mask->tp_dst = 0; | |
f2698407 | 997 | mask->tcp_flags = 0; |
2b1d9fa9 PB |
998 | } else if (key->nw_proto == IPPROTO_UDP) { |
999 | flower.key.udp_dst = key->tp_dst; | |
1000 | flower.mask.udp_dst = mask->tp_dst; | |
1001 | flower.key.udp_src = key->tp_src; | |
1002 | flower.mask.udp_src = mask->tp_src; | |
1003 | mask->tp_src = 0; | |
1004 | mask->tp_dst = 0; | |
1005 | } else if (key->nw_proto == IPPROTO_SCTP) { | |
1006 | flower.key.sctp_dst = key->tp_dst; | |
1007 | flower.mask.sctp_dst = mask->tp_dst; | |
1008 | flower.key.sctp_src = key->tp_src; | |
1009 | flower.mask.sctp_src = mask->tp_src; | |
8f283af8 PB |
1010 | mask->tp_src = 0; |
1011 | mask->tp_dst = 0; | |
1012 | } | |
1013 | ||
8f283af8 PB |
1014 | mask->nw_tos = 0; |
1015 | mask->nw_proto = 0; | |
ab7ecf26 | 1016 | mask->nw_ttl = 0; |
8f283af8 PB |
1017 | |
1018 | if (key->dl_type == htons(ETH_P_IP)) { | |
1019 | flower.key.ipv4.ipv4_src = key->nw_src; | |
1020 | flower.mask.ipv4.ipv4_src = mask->nw_src; | |
1021 | flower.key.ipv4.ipv4_dst = key->nw_dst; | |
1022 | flower.mask.ipv4.ipv4_dst = mask->nw_dst; | |
1023 | mask->nw_src = 0; | |
1024 | mask->nw_dst = 0; | |
1025 | } else if (key->dl_type == htons(ETH_P_IPV6)) { | |
1026 | flower.key.ipv6.ipv6_src = key->ipv6_src; | |
1027 | flower.mask.ipv6.ipv6_src = mask->ipv6_src; | |
1028 | flower.key.ipv6.ipv6_dst = key->ipv6_dst; | |
1029 | flower.mask.ipv6.ipv6_dst = mask->ipv6_dst; | |
1030 | memset(&mask->ipv6_src, 0, sizeof mask->ipv6_src); | |
1031 | memset(&mask->ipv6_dst, 0, sizeof mask->ipv6_dst); | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | err = test_key_and_mask(match); | |
1036 | if (err) { | |
1037 | return err; | |
1038 | } | |
1039 | ||
1040 | NL_ATTR_FOR_EACH(nla, left, actions, actions_len) { | |
0c70132c CM |
1041 | if (flower.action_count >= TCA_ACT_MAX_PRIO) { |
1042 | VLOG_DBG_RL(&rl, "Can only support %d actions", flower.action_count); | |
1043 | return EOPNOTSUPP; | |
1044 | } | |
1045 | action = &flower.actions[flower.action_count]; | |
8f283af8 PB |
1046 | if (nl_attr_type(nla) == OVS_ACTION_ATTR_OUTPUT) { |
1047 | odp_port_t port = nl_attr_get_odp_port(nla); | |
dfaf79dd | 1048 | struct netdev *outdev = netdev_ports_get(port, info->dpif_class); |
8f283af8 | 1049 | |
0c70132c CM |
1050 | action->ifindex_out = netdev_get_ifindex(outdev); |
1051 | action->type = TC_ACT_OUTPUT; | |
1052 | flower.action_count++; | |
8f283af8 PB |
1053 | netdev_close(outdev); |
1054 | } else if (nl_attr_type(nla) == OVS_ACTION_ATTR_PUSH_VLAN) { | |
1055 | const struct ovs_action_push_vlan *vlan_push = nl_attr_get(nla); | |
1056 | ||
0c70132c CM |
1057 | action->vlan.vlan_push_id = vlan_tci_to_vid(vlan_push->vlan_tci); |
1058 | action->vlan.vlan_push_prio = vlan_tci_to_pcp(vlan_push->vlan_tci); | |
1059 | action->type = TC_ACT_VLAN_PUSH; | |
1060 | flower.action_count++; | |
8f283af8 | 1061 | } else if (nl_attr_type(nla) == OVS_ACTION_ATTR_POP_VLAN) { |
0c70132c CM |
1062 | action->type = TC_ACT_VLAN_POP; |
1063 | flower.action_count++; | |
8f283af8 PB |
1064 | } else if (nl_attr_type(nla) == OVS_ACTION_ATTR_SET) { |
1065 | const struct nlattr *set = nl_attr_get(nla); | |
1066 | const size_t set_len = nl_attr_get_size(nla); | |
1067 | ||
0c70132c | 1068 | err = parse_put_flow_set_action(&flower, action, set, set_len); |
8f283af8 PB |
1069 | if (err) { |
1070 | return err; | |
1071 | } | |
0c70132c CM |
1072 | if (action->type == TC_ACT_ENCAP) { |
1073 | action->encap.tp_dst = info->tp_dst_port; | |
1074 | } | |
1ae83bb2 PB |
1075 | } else if (nl_attr_type(nla) == OVS_ACTION_ATTR_SET_MASKED) { |
1076 | const struct nlattr *set = nl_attr_get(nla); | |
1077 | const size_t set_len = nl_attr_get_size(nla); | |
1078 | ||
0c70132c CM |
1079 | err = parse_put_flow_set_masked_action(&flower, action, set, |
1080 | set_len, true); | |
1ae83bb2 PB |
1081 | if (err) { |
1082 | return err; | |
1083 | } | |
8f283af8 PB |
1084 | } else { |
1085 | VLOG_DBG_RL(&rl, "unsupported put action type: %d", | |
1086 | nl_attr_type(nla)); | |
1087 | return EOPNOTSUPP; | |
1088 | } | |
1089 | } | |
1090 | ||
1091 | handle = get_ufid_tc_mapping(ufid, &prio, NULL); | |
1092 | if (handle && prio) { | |
1093 | VLOG_DBG_RL(&rl, "updating old handle: %d prio: %d", handle, prio); | |
1094 | tc_del_filter(ifindex, prio, handle); | |
1095 | } | |
1096 | ||
1097 | if (!prio) { | |
1098 | prio = get_prio_for_tc_flower(&flower); | |
1099 | if (prio == 0) { | |
1100 | VLOG_ERR_RL(&rl, "couldn't get tc prio: %s", ovs_strerror(ENOSPC)); | |
1101 | return ENOSPC; | |
1102 | } | |
1103 | } | |
1104 | ||
1105 | flower.act_cookie.data = ufid; | |
1106 | flower.act_cookie.len = sizeof *ufid; | |
1107 | ||
1108 | err = tc_replace_flower(ifindex, prio, handle, &flower); | |
1109 | if (!err) { | |
1110 | add_ufid_tc_mapping(ufid, flower.prio, flower.handle, netdev, ifindex); | |
1111 | } | |
1112 | ||
1113 | return err; | |
18ebd48c PB |
1114 | } |
1115 | ||
1116 | int | |
1117 | netdev_tc_flow_get(struct netdev *netdev OVS_UNUSED, | |
7ecdef27 PB |
1118 | struct match *match, |
1119 | struct nlattr **actions, | |
1120 | const ovs_u128 *ufid, | |
1121 | struct dpif_flow_stats *stats, | |
1122 | struct ofpbuf *buf) | |
18ebd48c | 1123 | { |
7ecdef27 PB |
1124 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20); |
1125 | struct netdev *dev; | |
1126 | struct tc_flower flower; | |
1127 | odp_port_t in_port; | |
1128 | int prio = 0; | |
1129 | int ifindex; | |
1130 | int handle; | |
1131 | int err; | |
1132 | ||
1133 | handle = get_ufid_tc_mapping(ufid, &prio, &dev); | |
1134 | if (!handle) { | |
1135 | return ENOENT; | |
1136 | } | |
1137 | ||
1138 | ifindex = netdev_get_ifindex(dev); | |
1139 | if (ifindex < 0) { | |
0164f10c | 1140 | VLOG_ERR_RL(&error_rl, "flow_get: failed to get ifindex for %s: %s", |
7ecdef27 PB |
1141 | netdev_get_name(dev), ovs_strerror(-ifindex)); |
1142 | netdev_close(dev); | |
1143 | return -ifindex; | |
1144 | } | |
1145 | ||
1146 | VLOG_DBG_RL(&rl, "flow get (dev %s prio %d handle %d)", | |
1147 | netdev_get_name(dev), prio, handle); | |
1148 | err = tc_get_flower(ifindex, prio, handle, &flower); | |
1149 | netdev_close(dev); | |
1150 | if (err) { | |
1151 | VLOG_ERR_RL(&error_rl, "flow get failed (dev %s prio %d handle %d): %s", | |
1152 | netdev_get_name(dev), prio, handle, ovs_strerror(err)); | |
1153 | return err; | |
1154 | } | |
1155 | ||
1156 | in_port = netdev_ifindex_to_odp_port(ifindex); | |
1157 | parse_tc_flower_to_match(&flower, match, actions, stats, buf); | |
1158 | ||
1159 | match->wc.masks.in_port.odp_port = u32_to_odp(UINT32_MAX); | |
1160 | match->flow.in_port.odp_port = in_port; | |
1161 | ||
1162 | return 0; | |
18ebd48c PB |
1163 | } |
1164 | ||
1165 | int | |
1166 | netdev_tc_flow_del(struct netdev *netdev OVS_UNUSED, | |
30b6b047 PB |
1167 | const ovs_u128 *ufid, |
1168 | struct dpif_flow_stats *stats) | |
18ebd48c | 1169 | { |
52f793b8 | 1170 | struct tc_flower flower; |
30b6b047 PB |
1171 | struct netdev *dev; |
1172 | int prio = 0; | |
1173 | int ifindex; | |
1174 | int handle; | |
1175 | int error; | |
1176 | ||
1177 | handle = get_ufid_tc_mapping(ufid, &prio, &dev); | |
1178 | if (!handle) { | |
1179 | return ENOENT; | |
1180 | } | |
1181 | ||
1182 | ifindex = netdev_get_ifindex(dev); | |
1183 | if (ifindex < 0) { | |
0164f10c | 1184 | VLOG_ERR_RL(&error_rl, "flow_del: failed to get ifindex for %s: %s", |
30b6b047 PB |
1185 | netdev_get_name(dev), ovs_strerror(-ifindex)); |
1186 | netdev_close(dev); | |
1187 | return -ifindex; | |
1188 | } | |
1189 | ||
52f793b8 PA |
1190 | if (stats) { |
1191 | memset(stats, 0, sizeof *stats); | |
1192 | if (!tc_get_flower(ifindex, prio, handle, &flower)) { | |
1193 | stats->n_packets = get_32aligned_u64(&flower.stats.n_packets); | |
1194 | stats->n_bytes = get_32aligned_u64(&flower.stats.n_bytes); | |
1195 | stats->used = flower.lastused; | |
1196 | } | |
1197 | } | |
1198 | ||
30b6b047 PB |
1199 | error = tc_del_filter(ifindex, prio, handle); |
1200 | del_ufid_tc_mapping(ufid); | |
1201 | ||
1202 | netdev_close(dev); | |
1203 | ||
30b6b047 | 1204 | return error; |
18ebd48c PB |
1205 | } |
1206 | ||
d00eeded PB |
1207 | static void |
1208 | probe_multi_mask_per_prio(int ifindex) | |
1209 | { | |
1210 | struct tc_flower flower; | |
1211 | int error; | |
1212 | ||
1213 | memset(&flower, 0, sizeof flower); | |
1214 | ||
1215 | flower.key.eth_type = htons(ETH_P_IP); | |
c22ab9fb | 1216 | flower.mask.eth_type = OVS_BE16_MAX; |
d00eeded PB |
1217 | memset(&flower.key.dst_mac, 0x11, sizeof flower.key.dst_mac); |
1218 | memset(&flower.mask.dst_mac, 0xff, sizeof flower.mask.dst_mac); | |
1219 | ||
1220 | error = tc_replace_flower(ifindex, 1, 1, &flower); | |
1221 | if (error) { | |
1222 | return; | |
1223 | } | |
1224 | ||
1225 | memset(&flower.key.src_mac, 0x11, sizeof flower.key.src_mac); | |
1226 | memset(&flower.mask.src_mac, 0xff, sizeof flower.mask.src_mac); | |
1227 | ||
1228 | error = tc_replace_flower(ifindex, 1, 2, &flower); | |
1229 | tc_del_filter(ifindex, 1, 1); | |
1230 | ||
1231 | if (error) { | |
1232 | return; | |
1233 | } | |
1234 | ||
1235 | tc_del_filter(ifindex, 1, 2); | |
1236 | ||
1237 | multi_mask_per_prio = true; | |
1238 | VLOG_INFO("probe tc: multiple masks on single tc prio is supported."); | |
1239 | } | |
1240 | ||
18ebd48c | 1241 | int |
adbbe97f | 1242 | netdev_tc_init_flow_api(struct netdev *netdev) |
18ebd48c | 1243 | { |
d00eeded | 1244 | static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER; |
adbbe97f PB |
1245 | int ifindex; |
1246 | int error; | |
1247 | ||
1248 | ifindex = netdev_get_ifindex(netdev); | |
1249 | if (ifindex < 0) { | |
0164f10c | 1250 | VLOG_ERR_RL(&error_rl, "init: failed to get ifindex for %s: %s", |
adbbe97f PB |
1251 | netdev_get_name(netdev), ovs_strerror(-ifindex)); |
1252 | return -ifindex; | |
1253 | } | |
1254 | ||
1255 | error = tc_add_del_ingress_qdisc(ifindex, true); | |
1256 | ||
1257 | if (error && error != EEXIST) { | |
1258 | VLOG_ERR("failed adding ingress qdisc required for offloading: %s", | |
1259 | ovs_strerror(error)); | |
1260 | return error; | |
1261 | } | |
1262 | ||
1263 | VLOG_INFO("added ingress qdisc to %s", netdev_get_name(netdev)); | |
1264 | ||
d00eeded PB |
1265 | if (ovsthread_once_start(&once)) { |
1266 | probe_multi_mask_per_prio(ifindex); | |
1267 | ovsthread_once_done(&once); | |
1268 | } | |
1269 | ||
18ebd48c PB |
1270 | return 0; |
1271 | } |