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c1c5c723 | 1 | /* |
ef3767f5 | 2 | * Copyright (c) 2009-2017 Nicira, Inc. |
f98e418f | 3 | * Copyright (c) 2016 Mellanox Technologies, Ltd. |
c1c5c723 PB |
4 | * |
5 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
6 | * you may not use this file except in compliance with the License. | |
7 | * You may obtain a copy of the License at: | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | ||
18 | #include <config.h> | |
19 | #include "tc.h" | |
ef3767f5 | 20 | |
c1c5c723 | 21 | #include <errno.h> |
f98e418f | 22 | #include <linux/if_ether.h> |
4aa2dc04 | 23 | #include <linux/if_packet.h> |
f98e418f | 24 | #include <linux/rtnetlink.h> |
8ada482b | 25 | #include <linux/tc_act/tc_csum.h> |
f98e418f RD |
26 | #include <linux/tc_act/tc_gact.h> |
27 | #include <linux/tc_act/tc_mirred.h> | |
55412eac | 28 | #include <linux/tc_act/tc_mpls.h> |
8ada482b | 29 | #include <linux/tc_act/tc_pedit.h> |
4aa2dc04 | 30 | #include <linux/tc_act/tc_skbedit.h> |
f98e418f RD |
31 | #include <linux/tc_act/tc_tunnel_key.h> |
32 | #include <linux/tc_act/tc_vlan.h> | |
576126a9 | 33 | #include <linux/tc_act/tc_ct.h> |
f98e418f RD |
34 | #include <linux/gen_stats.h> |
35 | #include <net/if.h> | |
8c1e74d1 | 36 | #include <unistd.h> |
ef3767f5 | 37 | |
f98e418f | 38 | #include "byte-order.h" |
c1c5c723 PB |
39 | #include "netlink-socket.h" |
40 | #include "netlink.h" | |
41 | #include "openvswitch/ofpbuf.h" | |
8ada482b | 42 | #include "openvswitch/util.h" |
c1c5c723 | 43 | #include "openvswitch/vlog.h" |
f98e418f RD |
44 | #include "packets.h" |
45 | #include "timeval.h" | |
ef3767f5 | 46 | #include "unaligned.h" |
c1c5c723 | 47 | |
8ada482b PB |
48 | #define MAX_PEDIT_OFFSETS 32 |
49 | ||
093c9458 JH |
50 | #ifndef TCM_IFINDEX_MAGIC_BLOCK |
51 | #define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU) | |
52 | #endif | |
53 | ||
5db012c4 VB |
54 | #ifndef TCA_DUMP_FLAGS_TERSE |
55 | #define TCA_DUMP_FLAGS_TERSE (1 << 0) | |
56 | #endif | |
57 | ||
58 | #if TCA_MAX < 15 | |
b2ae4069 | 59 | #define TCA_CHAIN 11 |
093c9458 | 60 | #define TCA_INGRESS_BLOCK 13 |
5db012c4 | 61 | #define TCA_DUMP_FLAGS 15 |
093c9458 JH |
62 | #endif |
63 | ||
c1c5c723 PB |
64 | VLOG_DEFINE_THIS_MODULE(tc); |
65 | ||
f98e418f RD |
66 | static struct vlog_rate_limit error_rl = VLOG_RATE_LIMIT_INIT(60, 5); |
67 | ||
691d20cb PB |
68 | static enum tc_offload_policy tc_policy = TC_POLICY_NONE; |
69 | ||
8ada482b PB |
70 | struct tc_pedit_key_ex { |
71 | enum pedit_header_type htype; | |
72 | enum pedit_cmd cmd; | |
73 | }; | |
74 | ||
75 | struct flower_key_to_pedit { | |
76 | enum pedit_header_type htype; | |
8ada482b | 77 | int offset; |
fbaf1bf9 | 78 | int flower_offset; |
8ada482b | 79 | int size; |
dbcb014d | 80 | int boundary_shift; |
8ada482b PB |
81 | }; |
82 | ||
83 | static struct flower_key_to_pedit flower_pedit_map[] = { | |
84 | { | |
85 | TCA_PEDIT_KEY_EX_HDR_TYPE_IP4, | |
86 | 12, | |
87 | offsetof(struct tc_flower_key, ipv4.ipv4_src), | |
dbcb014d PJV |
88 | MEMBER_SIZEOF(struct tc_flower_key, ipv4.ipv4_src), |
89 | 0 | |
8ada482b PB |
90 | }, { |
91 | TCA_PEDIT_KEY_EX_HDR_TYPE_IP4, | |
92 | 16, | |
93 | offsetof(struct tc_flower_key, ipv4.ipv4_dst), | |
dbcb014d PJV |
94 | MEMBER_SIZEOF(struct tc_flower_key, ipv4.ipv4_dst), |
95 | 0 | |
8ada482b PB |
96 | }, { |
97 | TCA_PEDIT_KEY_EX_HDR_TYPE_IP4, | |
98 | 8, | |
99 | offsetof(struct tc_flower_key, ipv4.rewrite_ttl), | |
dbcb014d PJV |
100 | MEMBER_SIZEOF(struct tc_flower_key, ipv4.rewrite_ttl), |
101 | 0 | |
95431229 PJV |
102 | }, { |
103 | TCA_PEDIT_KEY_EX_HDR_TYPE_IP4, | |
104 | 1, | |
105 | offsetof(struct tc_flower_key, ipv4.rewrite_tos), | |
dbcb014d PJV |
106 | MEMBER_SIZEOF(struct tc_flower_key, ipv4.rewrite_tos), |
107 | 0 | |
46df7fac EB |
108 | }, { |
109 | TCA_PEDIT_KEY_EX_HDR_TYPE_IP6, | |
110 | 7, | |
111 | offsetof(struct tc_flower_key, ipv6.rewrite_hlimit), | |
dbcb014d PJV |
112 | MEMBER_SIZEOF(struct tc_flower_key, ipv6.rewrite_hlimit), |
113 | 0 | |
8ada482b PB |
114 | }, { |
115 | TCA_PEDIT_KEY_EX_HDR_TYPE_IP6, | |
116 | 8, | |
117 | offsetof(struct tc_flower_key, ipv6.ipv6_src), | |
dbcb014d PJV |
118 | MEMBER_SIZEOF(struct tc_flower_key, ipv6.ipv6_src), |
119 | 0 | |
8ada482b PB |
120 | }, { |
121 | TCA_PEDIT_KEY_EX_HDR_TYPE_IP6, | |
122 | 24, | |
123 | offsetof(struct tc_flower_key, ipv6.ipv6_dst), | |
dbcb014d PJV |
124 | MEMBER_SIZEOF(struct tc_flower_key, ipv6.ipv6_dst), |
125 | 0 | |
126 | }, { | |
127 | TCA_PEDIT_KEY_EX_HDR_TYPE_IP6, | |
128 | 0, | |
129 | offsetof(struct tc_flower_key, ipv6.rewrite_tclass), | |
130 | MEMBER_SIZEOF(struct tc_flower_key, ipv6.rewrite_tclass), | |
131 | 4 | |
8ada482b PB |
132 | }, { |
133 | TCA_PEDIT_KEY_EX_HDR_TYPE_ETH, | |
134 | 6, | |
135 | offsetof(struct tc_flower_key, src_mac), | |
dbcb014d PJV |
136 | MEMBER_SIZEOF(struct tc_flower_key, src_mac), |
137 | 0 | |
8ada482b PB |
138 | }, { |
139 | TCA_PEDIT_KEY_EX_HDR_TYPE_ETH, | |
140 | 0, | |
141 | offsetof(struct tc_flower_key, dst_mac), | |
dbcb014d PJV |
142 | MEMBER_SIZEOF(struct tc_flower_key, dst_mac), |
143 | 0 | |
8ada482b PB |
144 | }, { |
145 | TCA_PEDIT_KEY_EX_HDR_TYPE_ETH, | |
146 | 12, | |
147 | offsetof(struct tc_flower_key, eth_type), | |
dbcb014d PJV |
148 | MEMBER_SIZEOF(struct tc_flower_key, eth_type), |
149 | 0 | |
8ada482b PB |
150 | }, { |
151 | TCA_PEDIT_KEY_EX_HDR_TYPE_TCP, | |
152 | 0, | |
153 | offsetof(struct tc_flower_key, tcp_src), | |
dbcb014d PJV |
154 | MEMBER_SIZEOF(struct tc_flower_key, tcp_src), |
155 | 0 | |
8ada482b PB |
156 | }, { |
157 | TCA_PEDIT_KEY_EX_HDR_TYPE_TCP, | |
158 | 2, | |
159 | offsetof(struct tc_flower_key, tcp_dst), | |
dbcb014d PJV |
160 | MEMBER_SIZEOF(struct tc_flower_key, tcp_dst), |
161 | 0 | |
8ada482b PB |
162 | }, { |
163 | TCA_PEDIT_KEY_EX_HDR_TYPE_UDP, | |
164 | 0, | |
165 | offsetof(struct tc_flower_key, udp_src), | |
dbcb014d PJV |
166 | MEMBER_SIZEOF(struct tc_flower_key, udp_src), |
167 | 0 | |
8ada482b PB |
168 | }, { |
169 | TCA_PEDIT_KEY_EX_HDR_TYPE_UDP, | |
170 | 2, | |
171 | offsetof(struct tc_flower_key, udp_dst), | |
dbcb014d PJV |
172 | MEMBER_SIZEOF(struct tc_flower_key, udp_dst), |
173 | 0 | |
8ada482b PB |
174 | }, |
175 | }; | |
176 | ||
d6118e62 PB |
177 | static inline int |
178 | csum_update_flag(struct tc_flower *flower, | |
179 | enum pedit_header_type htype); | |
180 | ||
c1c5c723 PB |
181 | struct tcmsg * |
182 | tc_make_request(int ifindex, int type, unsigned int flags, | |
183 | struct ofpbuf *request) | |
184 | { | |
185 | struct tcmsg *tcmsg; | |
186 | ||
187 | ofpbuf_init(request, 512); | |
188 | nl_msg_put_nlmsghdr(request, sizeof *tcmsg, type, NLM_F_REQUEST | flags); | |
189 | tcmsg = ofpbuf_put_zeros(request, sizeof *tcmsg); | |
190 | tcmsg->tcm_family = AF_UNSPEC; | |
191 | tcmsg->tcm_ifindex = ifindex; | |
192 | /* Caller should fill in tcmsg->tcm_handle. */ | |
193 | /* Caller should fill in tcmsg->tcm_parent. */ | |
194 | ||
195 | return tcmsg; | |
196 | } | |
197 | ||
acdd544c PB |
198 | static void request_from_tcf_id(struct tcf_id *id, uint16_t eth_type, |
199 | int type, unsigned int flags, | |
200 | struct ofpbuf *request) | |
201 | { | |
202 | int ifindex = id->block_id ? TCM_IFINDEX_MAGIC_BLOCK : id->ifindex; | |
203 | uint32_t ingress_parent = id->block_id ? : TC_INGRESS_PARENT; | |
204 | struct tcmsg *tcmsg; | |
205 | ||
206 | tcmsg = tc_make_request(ifindex, type, flags, request); | |
207 | tcmsg->tcm_parent = (id->hook == TC_EGRESS) ? | |
208 | TC_EGRESS_PARENT : ingress_parent; | |
209 | tcmsg->tcm_info = tc_make_handle(id->prio, eth_type); | |
210 | tcmsg->tcm_handle = id->handle; | |
b2ae4069 PB |
211 | |
212 | if (id->chain) { | |
213 | nl_msg_put_u32(request, TCA_CHAIN, id->chain); | |
214 | } | |
acdd544c PB |
215 | } |
216 | ||
c1c5c723 PB |
217 | int |
218 | tc_transact(struct ofpbuf *request, struct ofpbuf **replyp) | |
219 | { | |
220 | int error = nl_transact(NETLINK_ROUTE, request, replyp); | |
221 | ofpbuf_uninit(request); | |
222 | return error; | |
223 | } | |
224 | ||
95255018 | 225 | /* Adds or deletes a root qdisc on device with specified ifindex. |
c1c5c723 | 226 | * |
95255018 JH |
227 | * The tc_qdisc_hook parameter determines if the qdisc is added on device |
228 | * ingress or egress. | |
229 | * | |
230 | * If tc_qdisc_hook is TC_INGRESS, this function is equivalent to running the | |
231 | * following when 'add' is true: | |
c1c5c723 PB |
232 | * /sbin/tc qdisc add dev <devname> handle ffff: ingress |
233 | * | |
234 | * This function is equivalent to running the following when 'add' is false: | |
235 | * /sbin/tc qdisc del dev <devname> handle ffff: ingress | |
236 | * | |
95255018 JH |
237 | * If tc_qdisc_hook is TC_EGRESS, this function is equivalent to: |
238 | * /sbin/tc qdisc (add|del) dev <devname> handle ffff: clsact | |
239 | * | |
c1c5c723 PB |
240 | * Where dev <devname> is the device with specified ifindex name. |
241 | * | |
242 | * The configuration and stats may be seen with the following command: | |
243 | * /sbin/tc -s qdisc show dev <devname> | |
244 | * | |
093c9458 JH |
245 | * If block_id is greater than 0, then the ingress qdisc is added to a block. |
246 | * In this case, it is equivalent to running (when 'add' is true): | |
247 | * /sbin/tc qdisc add dev <devname> ingress_block <block_id> ingress | |
248 | * | |
c1c5c723 PB |
249 | * Returns 0 if successful, otherwise a positive errno value. |
250 | */ | |
251 | int | |
95255018 JH |
252 | tc_add_del_qdisc(int ifindex, bool add, uint32_t block_id, |
253 | enum tc_qdisc_hook hook) | |
c1c5c723 PB |
254 | { |
255 | struct ofpbuf request; | |
256 | struct tcmsg *tcmsg; | |
257 | int error; | |
258 | int type = add ? RTM_NEWQDISC : RTM_DELQDISC; | |
259 | int flags = add ? NLM_F_EXCL | NLM_F_CREATE : 0; | |
260 | ||
261 | tcmsg = tc_make_request(ifindex, type, flags, &request); | |
95255018 JH |
262 | |
263 | if (hook == TC_EGRESS) { | |
264 | tcmsg->tcm_handle = TC_H_MAKE(TC_H_CLSACT, 0); | |
265 | tcmsg->tcm_parent = TC_H_CLSACT; | |
266 | nl_msg_put_string(&request, TCA_KIND, "clsact"); | |
267 | } else { | |
268 | tcmsg->tcm_handle = TC_H_MAKE(TC_H_INGRESS, 0); | |
269 | tcmsg->tcm_parent = TC_H_INGRESS; | |
270 | nl_msg_put_string(&request, TCA_KIND, "ingress"); | |
271 | } | |
272 | ||
c1c5c723 | 273 | nl_msg_put_unspec(&request, TCA_OPTIONS, NULL, 0); |
95255018 | 274 | if (hook == TC_INGRESS && block_id) { |
093c9458 JH |
275 | nl_msg_put_u32(&request, TCA_INGRESS_BLOCK, block_id); |
276 | } | |
c1c5c723 PB |
277 | |
278 | error = tc_transact(&request, NULL); | |
279 | if (error) { | |
280 | /* If we're deleting the qdisc, don't worry about some of the | |
281 | * error conditions. */ | |
282 | if (!add && (error == ENOENT || error == EINVAL)) { | |
283 | return 0; | |
284 | } | |
285 | return error; | |
286 | } | |
287 | ||
288 | return 0; | |
289 | } | |
f98e418f RD |
290 | |
291 | static const struct nl_policy tca_policy[] = { | |
292 | [TCA_KIND] = { .type = NL_A_STRING, .optional = false, }, | |
293 | [TCA_OPTIONS] = { .type = NL_A_NESTED, .optional = false, }, | |
b2ae4069 | 294 | [TCA_CHAIN] = { .type = NL_A_U32, .optional = true, }, |
f98e418f RD |
295 | [TCA_STATS] = { .type = NL_A_UNSPEC, |
296 | .min_len = sizeof(struct tc_stats), .optional = true, }, | |
297 | [TCA_STATS2] = { .type = NL_A_NESTED, .optional = true, }, | |
298 | }; | |
299 | ||
300 | static const struct nl_policy tca_flower_policy[] = { | |
301 | [TCA_FLOWER_CLASSID] = { .type = NL_A_U32, .optional = true, }, | |
302 | [TCA_FLOWER_INDEV] = { .type = NL_A_STRING, .max_len = IFNAMSIZ, | |
303 | .optional = true, }, | |
304 | [TCA_FLOWER_KEY_ETH_SRC] = { .type = NL_A_UNSPEC, | |
305 | .min_len = ETH_ALEN, .optional = true, }, | |
306 | [TCA_FLOWER_KEY_ETH_DST] = { .type = NL_A_UNSPEC, | |
307 | .min_len = ETH_ALEN, .optional = true, }, | |
308 | [TCA_FLOWER_KEY_ETH_SRC_MASK] = { .type = NL_A_UNSPEC, | |
309 | .min_len = ETH_ALEN, | |
310 | .optional = true, }, | |
311 | [TCA_FLOWER_KEY_ETH_DST_MASK] = { .type = NL_A_UNSPEC, | |
312 | .min_len = ETH_ALEN, | |
313 | .optional = true, }, | |
314 | [TCA_FLOWER_KEY_ETH_TYPE] = { .type = NL_A_U16, .optional = false, }, | |
a3db6e47 TZ |
315 | [TCA_FLOWER_KEY_ARP_SIP] = { .type = NL_A_U32, .optional = true, }, |
316 | [TCA_FLOWER_KEY_ARP_TIP] = { .type = NL_A_U32, .optional = true, }, | |
317 | [TCA_FLOWER_KEY_ARP_SHA] = { .type = NL_A_UNSPEC, | |
318 | .min_len = ETH_ALEN, | |
319 | .optional = true, }, | |
320 | [TCA_FLOWER_KEY_ARP_THA] = { .type = NL_A_UNSPEC, | |
321 | .min_len = ETH_ALEN, | |
322 | .optional = true, }, | |
323 | [TCA_FLOWER_KEY_ARP_OP] = { .type = NL_A_U8, .optional = true, }, | |
324 | [TCA_FLOWER_KEY_ARP_SIP_MASK] = { .type = NL_A_U32, .optional = true, }, | |
325 | [TCA_FLOWER_KEY_ARP_TIP_MASK] = { .type = NL_A_U32, .optional = true, }, | |
326 | [TCA_FLOWER_KEY_ARP_SHA_MASK] = { .type = NL_A_UNSPEC, | |
327 | .min_len = ETH_ALEN, | |
328 | .optional = true, }, | |
329 | [TCA_FLOWER_KEY_ARP_THA_MASK] = { .type = NL_A_UNSPEC, | |
330 | .min_len = ETH_ALEN, | |
331 | .optional = true, }, | |
332 | [TCA_FLOWER_KEY_ARP_OP_MASK] = { .type = NL_A_U8, .optional = true, }, | |
f98e418f RD |
333 | [TCA_FLOWER_FLAGS] = { .type = NL_A_U32, .optional = false, }, |
334 | [TCA_FLOWER_ACT] = { .type = NL_A_NESTED, .optional = false, }, | |
335 | [TCA_FLOWER_KEY_IP_PROTO] = { .type = NL_A_U8, .optional = true, }, | |
336 | [TCA_FLOWER_KEY_IPV4_SRC] = { .type = NL_A_U32, .optional = true, }, | |
337 | [TCA_FLOWER_KEY_IPV4_DST] = {.type = NL_A_U32, .optional = true, }, | |
338 | [TCA_FLOWER_KEY_IPV4_SRC_MASK] = { .type = NL_A_U32, .optional = true, }, | |
339 | [TCA_FLOWER_KEY_IPV4_DST_MASK] = { .type = NL_A_U32, .optional = true, }, | |
340 | [TCA_FLOWER_KEY_IPV6_SRC] = { .type = NL_A_UNSPEC, | |
341 | .min_len = sizeof(struct in6_addr), | |
342 | .optional = true, }, | |
343 | [TCA_FLOWER_KEY_IPV6_DST] = { .type = NL_A_UNSPEC, | |
344 | .min_len = sizeof(struct in6_addr), | |
345 | .optional = true, }, | |
346 | [TCA_FLOWER_KEY_IPV6_SRC_MASK] = { .type = NL_A_UNSPEC, | |
347 | .min_len = sizeof(struct in6_addr), | |
348 | .optional = true, }, | |
349 | [TCA_FLOWER_KEY_IPV6_DST_MASK] = { .type = NL_A_UNSPEC, | |
350 | .min_len = sizeof(struct in6_addr), | |
351 | .optional = true, }, | |
352 | [TCA_FLOWER_KEY_TCP_SRC] = { .type = NL_A_U16, .optional = true, }, | |
353 | [TCA_FLOWER_KEY_TCP_DST] = { .type = NL_A_U16, .optional = true, }, | |
354 | [TCA_FLOWER_KEY_TCP_SRC_MASK] = { .type = NL_A_U16, .optional = true, }, | |
355 | [TCA_FLOWER_KEY_TCP_DST_MASK] = { .type = NL_A_U16, .optional = true, }, | |
356 | [TCA_FLOWER_KEY_UDP_SRC] = { .type = NL_A_U16, .optional = true, }, | |
357 | [TCA_FLOWER_KEY_UDP_DST] = { .type = NL_A_U16, .optional = true, }, | |
358 | [TCA_FLOWER_KEY_UDP_SRC_MASK] = { .type = NL_A_U16, .optional = true, }, | |
359 | [TCA_FLOWER_KEY_UDP_DST_MASK] = { .type = NL_A_U16, .optional = true, }, | |
4862b4e5 VB |
360 | [TCA_FLOWER_KEY_SCTP_SRC] = { .type = NL_A_U16, .optional = true, }, |
361 | [TCA_FLOWER_KEY_SCTP_DST] = { .type = NL_A_U16, .optional = true, }, | |
362 | [TCA_FLOWER_KEY_SCTP_SRC_MASK] = { .type = NL_A_U16, .optional = true, }, | |
363 | [TCA_FLOWER_KEY_SCTP_DST_MASK] = { .type = NL_A_U16, .optional = true, }, | |
34b16955 PJV |
364 | [TCA_FLOWER_KEY_MPLS_TTL] = { .type = NL_A_U8, .optional = true, }, |
365 | [TCA_FLOWER_KEY_MPLS_TC] = { .type = NL_A_U8, .optional = true, }, | |
366 | [TCA_FLOWER_KEY_MPLS_BOS] = { .type = NL_A_U8, .optional = true, }, | |
367 | [TCA_FLOWER_KEY_MPLS_LABEL] = { .type = NL_A_U32, .optional = true, }, | |
f98e418f RD |
368 | [TCA_FLOWER_KEY_VLAN_ID] = { .type = NL_A_U16, .optional = true, }, |
369 | [TCA_FLOWER_KEY_VLAN_PRIO] = { .type = NL_A_U8, .optional = true, }, | |
370 | [TCA_FLOWER_KEY_VLAN_ETH_TYPE] = { .type = NL_A_U16, .optional = true, }, | |
371 | [TCA_FLOWER_KEY_ENC_KEY_ID] = { .type = NL_A_U32, .optional = true, }, | |
372 | [TCA_FLOWER_KEY_ENC_IPV4_SRC] = { .type = NL_A_U32, .optional = true, }, | |
373 | [TCA_FLOWER_KEY_ENC_IPV4_DST] = { .type = NL_A_U32, .optional = true, }, | |
374 | [TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK] = { .type = NL_A_U32, | |
375 | .optional = true, }, | |
376 | [TCA_FLOWER_KEY_ENC_IPV4_DST_MASK] = { .type = NL_A_U32, | |
377 | .optional = true, }, | |
378 | [TCA_FLOWER_KEY_ENC_IPV6_SRC] = { .type = NL_A_UNSPEC, | |
379 | .min_len = sizeof(struct in6_addr), | |
380 | .optional = true, }, | |
381 | [TCA_FLOWER_KEY_ENC_IPV6_DST] = { .type = NL_A_UNSPEC, | |
382 | .min_len = sizeof(struct in6_addr), | |
383 | .optional = true, }, | |
384 | [TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK] = { .type = NL_A_UNSPEC, | |
385 | .min_len = sizeof(struct in6_addr), | |
386 | .optional = true, }, | |
387 | [TCA_FLOWER_KEY_ENC_IPV6_DST_MASK] = { .type = NL_A_UNSPEC, | |
388 | .min_len = sizeof(struct in6_addr), | |
389 | .optional = true, }, | |
390 | [TCA_FLOWER_KEY_ENC_UDP_DST_PORT] = { .type = NL_A_U16, | |
391 | .optional = true, }, | |
83e86606 RD |
392 | [TCA_FLOWER_KEY_FLAGS] = { .type = NL_A_BE32, .optional = true, }, |
393 | [TCA_FLOWER_KEY_FLAGS_MASK] = { .type = NL_A_BE32, .optional = true, }, | |
0b4b5203 PB |
394 | [TCA_FLOWER_KEY_IP_TTL] = { .type = NL_A_U8, |
395 | .optional = true, }, | |
396 | [TCA_FLOWER_KEY_IP_TTL_MASK] = { .type = NL_A_U8, | |
397 | .optional = true, }, | |
dfa2ccdb OG |
398 | [TCA_FLOWER_KEY_IP_TOS] = { .type = NL_A_U8, |
399 | .optional = true, }, | |
400 | [TCA_FLOWER_KEY_IP_TOS_MASK] = { .type = NL_A_U8, | |
401 | .optional = true, }, | |
cd081043 PB |
402 | [TCA_FLOWER_KEY_TCP_FLAGS] = { .type = NL_A_U16, |
403 | .optional = true, }, | |
404 | [TCA_FLOWER_KEY_TCP_FLAGS_MASK] = { .type = NL_A_U16, | |
405 | .optional = true, }, | |
f9885dc5 JL |
406 | [TCA_FLOWER_KEY_CVLAN_ID] = { .type = NL_A_U16, .optional = true, }, |
407 | [TCA_FLOWER_KEY_CVLAN_PRIO] = { .type = NL_A_U8, .optional = true, }, | |
408 | [TCA_FLOWER_KEY_CVLAN_ETH_TYPE] = { .type = NL_A_U16, .optional = true, }, | |
dd83253e OG |
409 | [TCA_FLOWER_KEY_ENC_IP_TOS] = { .type = NL_A_U8, |
410 | .optional = true, }, | |
411 | [TCA_FLOWER_KEY_ENC_IP_TOS_MASK] = { .type = NL_A_U8, | |
412 | .optional = true, }, | |
413 | [TCA_FLOWER_KEY_ENC_IP_TTL] = { .type = NL_A_U8, | |
414 | .optional = true, }, | |
415 | [TCA_FLOWER_KEY_ENC_IP_TTL_MASK] = { .type = NL_A_U8, | |
416 | .optional = true, }, | |
a468645c PJV |
417 | [TCA_FLOWER_KEY_ENC_OPTS] = { .type = NL_A_NESTED, .optional = true, }, |
418 | [TCA_FLOWER_KEY_ENC_OPTS_MASK] = { .type = NL_A_NESTED, | |
419 | .optional = true, }, | |
576126a9 PB |
420 | [TCA_FLOWER_KEY_CT_STATE] = { .type = NL_A_U16, .optional = true, }, |
421 | [TCA_FLOWER_KEY_CT_STATE_MASK] = { .type = NL_A_U16, .optional = true, }, | |
422 | [TCA_FLOWER_KEY_CT_ZONE] = { .type = NL_A_U16, .optional = true, }, | |
423 | [TCA_FLOWER_KEY_CT_ZONE_MASK] = { .type = NL_A_U16, .optional = true, }, | |
9221c721 PB |
424 | [TCA_FLOWER_KEY_CT_MARK] = { .type = NL_A_U32, .optional = true, }, |
425 | [TCA_FLOWER_KEY_CT_MARK_MASK] = { .type = NL_A_U32, .optional = true, }, | |
426 | [TCA_FLOWER_KEY_CT_LABELS] = { .type = NL_A_U128, .optional = true, }, | |
427 | [TCA_FLOWER_KEY_CT_LABELS_MASK] = { .type = NL_A_U128, | |
428 | .optional = true, }, | |
f98e418f RD |
429 | }; |
430 | ||
5db012c4 VB |
431 | static const struct nl_policy tca_flower_terse_policy[] = { |
432 | [TCA_FLOWER_FLAGS] = { .type = NL_A_U32, .optional = false, }, | |
433 | [TCA_FLOWER_ACT] = { .type = NL_A_NESTED, .optional = false, }, | |
434 | }; | |
435 | ||
a3db6e47 TZ |
436 | static void |
437 | nl_parse_flower_arp(struct nlattr **attrs, struct tc_flower *flower) | |
438 | { | |
439 | const struct eth_addr *eth; | |
440 | ||
441 | if (attrs[TCA_FLOWER_KEY_ARP_SIP_MASK]) { | |
442 | flower->key.arp.spa = | |
443 | nl_attr_get_be32(attrs[TCA_FLOWER_KEY_ARP_SIP]); | |
444 | flower->mask.arp.spa = | |
445 | nl_attr_get_be32(attrs[TCA_FLOWER_KEY_ARP_SIP_MASK]); | |
446 | } | |
447 | if (attrs[TCA_FLOWER_KEY_ARP_TIP_MASK]) { | |
448 | flower->key.arp.tpa = | |
449 | nl_attr_get_be32(attrs[TCA_FLOWER_KEY_ARP_TIP]); | |
450 | flower->mask.arp.tpa = | |
451 | nl_attr_get_be32(attrs[TCA_FLOWER_KEY_ARP_TIP_MASK]); | |
452 | } | |
453 | if (attrs[TCA_FLOWER_KEY_ARP_SHA_MASK]) { | |
454 | eth = nl_attr_get_unspec(attrs[TCA_FLOWER_KEY_ARP_SHA], ETH_ALEN); | |
455 | memcpy(&flower->key.arp.sha, eth, sizeof flower->key.arp.sha); | |
456 | ||
457 | eth = nl_attr_get_unspec(attrs[TCA_FLOWER_KEY_ARP_SHA_MASK], ETH_ALEN); | |
458 | memcpy(&flower->mask.arp.sha, eth, sizeof flower->mask.arp.sha); | |
459 | } | |
460 | if (attrs[TCA_FLOWER_KEY_ARP_THA_MASK]) { | |
461 | eth = nl_attr_get_unspec(attrs[TCA_FLOWER_KEY_ARP_THA], ETH_ALEN); | |
462 | memcpy(&flower->key.arp.tha, eth, sizeof flower->key.arp.tha); | |
463 | ||
464 | eth = nl_attr_get_unspec(attrs[TCA_FLOWER_KEY_ARP_THA_MASK], ETH_ALEN); | |
465 | memcpy(&flower->mask.arp.tha, eth, sizeof flower->mask.arp.tha); | |
466 | } | |
467 | if (attrs[TCA_FLOWER_KEY_ARP_OP_MASK]) { | |
468 | flower->key.arp.opcode = | |
469 | nl_attr_get_u8(attrs[TCA_FLOWER_KEY_ARP_OP]); | |
470 | flower->mask.arp.opcode = | |
471 | nl_attr_get_u8(attrs[TCA_FLOWER_KEY_ARP_OP_MASK]); | |
472 | } | |
473 | } | |
474 | ||
f98e418f RD |
475 | static void |
476 | nl_parse_flower_eth(struct nlattr **attrs, struct tc_flower *flower) | |
477 | { | |
478 | const struct eth_addr *eth; | |
479 | ||
480 | if (attrs[TCA_FLOWER_KEY_ETH_SRC_MASK]) { | |
481 | eth = nl_attr_get_unspec(attrs[TCA_FLOWER_KEY_ETH_SRC], ETH_ALEN); | |
482 | memcpy(&flower->key.src_mac, eth, sizeof flower->key.src_mac); | |
483 | ||
484 | eth = nl_attr_get_unspec(attrs[TCA_FLOWER_KEY_ETH_SRC_MASK], ETH_ALEN); | |
485 | memcpy(&flower->mask.src_mac, eth, sizeof flower->mask.src_mac); | |
486 | } | |
487 | if (attrs[TCA_FLOWER_KEY_ETH_DST_MASK]) { | |
488 | eth = nl_attr_get_unspec(attrs[TCA_FLOWER_KEY_ETH_DST], ETH_ALEN); | |
489 | memcpy(&flower->key.dst_mac, eth, sizeof flower->key.dst_mac); | |
490 | ||
491 | eth = nl_attr_get_unspec(attrs[TCA_FLOWER_KEY_ETH_DST_MASK], ETH_ALEN); | |
492 | memcpy(&flower->mask.dst_mac, eth, sizeof flower->mask.dst_mac); | |
493 | } | |
494 | } | |
495 | ||
34b16955 PJV |
496 | static void |
497 | nl_parse_flower_mpls(struct nlattr **attrs, struct tc_flower *flower) | |
498 | { | |
499 | uint8_t ttl, tc, bos; | |
500 | uint32_t label; | |
501 | ||
502 | if (!eth_type_mpls(flower->key.eth_type)) { | |
503 | return; | |
504 | } | |
505 | ||
506 | flower->key.encap_eth_type[0] = | |
507 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_ETH_TYPE]); | |
508 | flower->key.mpls_lse = 0; | |
509 | flower->mask.mpls_lse = 0; | |
510 | ||
511 | if (attrs[TCA_FLOWER_KEY_MPLS_TTL]) { | |
512 | ttl = nl_attr_get_u8(attrs[TCA_FLOWER_KEY_MPLS_TTL]); | |
513 | set_mpls_lse_ttl(&flower->key.mpls_lse, ttl); | |
514 | set_mpls_lse_ttl(&flower->mask.mpls_lse, 0xff); | |
515 | } | |
516 | ||
517 | if (attrs[TCA_FLOWER_KEY_MPLS_BOS]) { | |
518 | bos = nl_attr_get_u8(attrs[TCA_FLOWER_KEY_MPLS_BOS]); | |
519 | set_mpls_lse_bos(&flower->key.mpls_lse, bos); | |
520 | set_mpls_lse_ttl(&flower->mask.mpls_lse, 0xff); | |
521 | } | |
522 | ||
523 | if (attrs[TCA_FLOWER_KEY_MPLS_TC]) { | |
524 | tc = nl_attr_get_u8(attrs[TCA_FLOWER_KEY_MPLS_TC]); | |
525 | set_mpls_lse_tc(&flower->key.mpls_lse, tc); | |
526 | set_mpls_lse_tc(&flower->mask.mpls_lse, 0xff); | |
527 | } | |
528 | ||
529 | if (attrs[TCA_FLOWER_KEY_MPLS_LABEL]) { | |
530 | label = nl_attr_get_u32(attrs[TCA_FLOWER_KEY_MPLS_LABEL]); | |
531 | set_mpls_lse_label(&flower->key.mpls_lse, htonl(label)); | |
532 | set_mpls_lse_label(&flower->mask.mpls_lse, OVS_BE32_MAX); | |
533 | } | |
534 | } | |
535 | ||
f98e418f RD |
536 | static void |
537 | nl_parse_flower_vlan(struct nlattr **attrs, struct tc_flower *flower) | |
538 | { | |
f9885dc5 JL |
539 | ovs_be16 encap_ethtype; |
540 | ||
b5ad40a9 | 541 | if (!eth_type_vlan(flower->key.eth_type)) { |
f98e418f RD |
542 | return; |
543 | } | |
544 | ||
f9885dc5 | 545 | flower->key.encap_eth_type[0] = |
f98e418f RD |
546 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_ETH_TYPE]); |
547 | ||
548 | if (attrs[TCA_FLOWER_KEY_VLAN_ID]) { | |
f9885dc5 | 549 | flower->key.vlan_id[0] = |
f98e418f | 550 | nl_attr_get_u16(attrs[TCA_FLOWER_KEY_VLAN_ID]); |
7f02f26c | 551 | flower->mask.vlan_id[0] = 0xffff; |
f98e418f RD |
552 | } |
553 | if (attrs[TCA_FLOWER_KEY_VLAN_PRIO]) { | |
f9885dc5 | 554 | flower->key.vlan_prio[0] = |
f98e418f | 555 | nl_attr_get_u8(attrs[TCA_FLOWER_KEY_VLAN_PRIO]); |
7f02f26c | 556 | flower->mask.vlan_prio[0] = 0xff; |
f98e418f | 557 | } |
f9885dc5 JL |
558 | |
559 | if (!attrs[TCA_FLOWER_KEY_VLAN_ETH_TYPE]) { | |
560 | return; | |
561 | } | |
562 | ||
563 | encap_ethtype = nl_attr_get_be16(attrs[TCA_FLOWER_KEY_VLAN_ETH_TYPE]); | |
564 | if (!eth_type_vlan(encap_ethtype)) { | |
565 | return; | |
566 | } | |
567 | ||
568 | flower->key.encap_eth_type[1] = flower->key.encap_eth_type[0]; | |
569 | flower->key.encap_eth_type[0] = encap_ethtype; | |
570 | ||
571 | if (attrs[TCA_FLOWER_KEY_CVLAN_ID]) { | |
572 | flower->key.vlan_id[1] = | |
573 | nl_attr_get_u16(attrs[TCA_FLOWER_KEY_CVLAN_ID]); | |
7f02f26c | 574 | flower->mask.vlan_id[1] = 0xffff; |
f9885dc5 JL |
575 | } |
576 | if (attrs[TCA_FLOWER_KEY_CVLAN_PRIO]) { | |
577 | flower->key.vlan_prio[1] = | |
578 | nl_attr_get_u8(attrs[TCA_FLOWER_KEY_CVLAN_PRIO]); | |
7f02f26c | 579 | flower->mask.vlan_prio[1] = 0xff; |
f9885dc5 | 580 | } |
f98e418f RD |
581 | } |
582 | ||
a468645c PJV |
583 | static int |
584 | nl_parse_geneve_key(const struct nlattr *in_nlattr, | |
585 | struct tun_metadata *metadata) | |
586 | { | |
587 | struct geneve_opt *opt = NULL; | |
588 | const struct ofpbuf *msg; | |
589 | uint16_t last_opt_type; | |
590 | struct nlattr *nla; | |
591 | struct ofpbuf buf; | |
592 | size_t left; | |
593 | int cnt; | |
594 | ||
595 | nl_attr_get_nested(in_nlattr, &buf); | |
596 | msg = &buf; | |
597 | ||
598 | last_opt_type = TCA_FLOWER_KEY_ENC_OPT_GENEVE_UNSPEC; | |
599 | cnt = 0; | |
600 | NL_ATTR_FOR_EACH (nla, left, ofpbuf_at(msg, 0, 0), msg->size) { | |
601 | uint16_t type = nl_attr_type(nla); | |
602 | ||
603 | switch (type) { | |
604 | case TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS: | |
605 | if (cnt && last_opt_type != TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA) { | |
606 | VLOG_ERR_RL(&error_rl, "failed to parse tun options class"); | |
607 | return EINVAL; | |
608 | } | |
609 | ||
610 | opt = &metadata->opts.gnv[cnt]; | |
611 | opt->opt_class = nl_attr_get_be16(nla); | |
612 | cnt += sizeof(struct geneve_opt) / 4; | |
613 | metadata->present.len += sizeof(struct geneve_opt); | |
614 | last_opt_type = TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS; | |
615 | break; | |
616 | case TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE: | |
617 | if (last_opt_type != TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS) { | |
618 | VLOG_ERR_RL(&error_rl, "failed to parse tun options type"); | |
619 | return EINVAL; | |
620 | } | |
621 | ||
622 | opt->type = nl_attr_get_u8(nla); | |
623 | last_opt_type = TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE; | |
624 | break; | |
625 | case TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA: | |
626 | if (last_opt_type != TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE) { | |
627 | VLOG_ERR_RL(&error_rl, "failed to parse tun options data"); | |
628 | return EINVAL; | |
629 | } | |
630 | ||
631 | opt->length = nl_attr_get_size(nla) / 4; | |
632 | memcpy(opt + 1, nl_attr_get_unspec(nla, 1), opt->length * 4); | |
633 | cnt += opt->length; | |
634 | metadata->present.len += opt->length * 4; | |
635 | last_opt_type = TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA; | |
636 | break; | |
637 | } | |
638 | } | |
639 | ||
640 | if (last_opt_type != TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA) { | |
641 | VLOG_ERR_RL(&error_rl, "failed to parse tun options without data"); | |
642 | return EINVAL; | |
643 | } | |
644 | ||
645 | return 0; | |
646 | } | |
647 | ||
648 | static int | |
649 | nl_parse_flower_tunnel_opts(struct nlattr *options, | |
650 | struct tun_metadata *metadata) | |
651 | { | |
652 | const struct ofpbuf *msg; | |
653 | struct nlattr *nla; | |
654 | struct ofpbuf buf; | |
655 | size_t left; | |
656 | int err; | |
657 | ||
658 | nl_attr_get_nested(options, &buf); | |
659 | msg = &buf; | |
660 | ||
661 | NL_ATTR_FOR_EACH (nla, left, ofpbuf_at(msg, 0, 0), msg->size) { | |
662 | uint16_t type = nl_attr_type(nla); | |
663 | switch (type) { | |
664 | case TCA_FLOWER_KEY_ENC_OPTS_GENEVE: | |
665 | err = nl_parse_geneve_key(nla, metadata); | |
666 | if (err) { | |
667 | return err; | |
668 | } | |
669 | ||
670 | break; | |
671 | } | |
672 | } | |
673 | ||
674 | return 0; | |
675 | } | |
676 | ||
677 | static int | |
678 | flower_tun_geneve_opt_check_len(struct tun_metadata *key, | |
679 | struct tun_metadata *mask) | |
680 | { | |
681 | const struct geneve_opt *opt, *opt_mask; | |
682 | int len, cnt = 0; | |
683 | ||
684 | len = key->present.len; | |
685 | while (len) { | |
686 | opt = &key->opts.gnv[cnt]; | |
687 | opt_mask = &mask->opts.gnv[cnt]; | |
688 | ||
689 | if (opt->length != opt_mask->length) { | |
690 | VLOG_ERR_RL(&error_rl, | |
691 | "failed to parse tun options; key/mask length differ"); | |
692 | return EINVAL; | |
693 | } | |
694 | ||
695 | cnt += sizeof(struct geneve_opt) / 4 + opt->length; | |
696 | len -= sizeof(struct geneve_opt) + opt->length * 4; | |
697 | } | |
698 | ||
699 | return 0; | |
700 | } | |
701 | ||
702 | static int | |
f98e418f RD |
703 | nl_parse_flower_tunnel(struct nlattr **attrs, struct tc_flower *flower) |
704 | { | |
a468645c PJV |
705 | int err; |
706 | ||
f98e418f RD |
707 | if (attrs[TCA_FLOWER_KEY_ENC_KEY_ID]) { |
708 | ovs_be32 id = nl_attr_get_be32(attrs[TCA_FLOWER_KEY_ENC_KEY_ID]); | |
709 | ||
105e8179 | 710 | flower->key.tunnel.id = be32_to_be64(id); |
0227bf09 | 711 | flower->mask.tunnel.id = OVS_BE64_MAX; |
f98e418f RD |
712 | } |
713 | if (attrs[TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK]) { | |
5f568d04 TZ |
714 | flower->mask.tunnel.ipv4.ipv4_src = |
715 | nl_attr_get_be32(attrs[TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK]); | |
105e8179 | 716 | flower->key.tunnel.ipv4.ipv4_src = |
f98e418f RD |
717 | nl_attr_get_be32(attrs[TCA_FLOWER_KEY_ENC_IPV4_SRC]); |
718 | } | |
719 | if (attrs[TCA_FLOWER_KEY_ENC_IPV4_DST_MASK]) { | |
5f568d04 TZ |
720 | flower->mask.tunnel.ipv4.ipv4_dst = |
721 | nl_attr_get_be32(attrs[TCA_FLOWER_KEY_ENC_IPV4_DST_MASK]); | |
105e8179 | 722 | flower->key.tunnel.ipv4.ipv4_dst = |
f98e418f RD |
723 | nl_attr_get_be32(attrs[TCA_FLOWER_KEY_ENC_IPV4_DST]); |
724 | } | |
725 | if (attrs[TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK]) { | |
5f568d04 TZ |
726 | flower->mask.tunnel.ipv6.ipv6_src = |
727 | nl_attr_get_in6_addr(attrs[TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK]); | |
105e8179 | 728 | flower->key.tunnel.ipv6.ipv6_src = |
f98e418f RD |
729 | nl_attr_get_in6_addr(attrs[TCA_FLOWER_KEY_ENC_IPV6_SRC]); |
730 | } | |
731 | if (attrs[TCA_FLOWER_KEY_ENC_IPV6_DST_MASK]) { | |
5f568d04 TZ |
732 | flower->mask.tunnel.ipv6.ipv6_dst = |
733 | nl_attr_get_in6_addr(attrs[TCA_FLOWER_KEY_ENC_IPV6_DST_MASK]); | |
105e8179 | 734 | flower->key.tunnel.ipv6.ipv6_dst = |
f98e418f RD |
735 | nl_attr_get_in6_addr(attrs[TCA_FLOWER_KEY_ENC_IPV6_DST]); |
736 | } | |
1fe42975 | 737 | if (attrs[TCA_FLOWER_KEY_ENC_UDP_DST_PORT]) { |
105e8179 | 738 | flower->key.tunnel.tp_dst = |
f98e418f RD |
739 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_ENC_UDP_DST_PORT]); |
740 | } | |
49a7961f | 741 | if (attrs[TCA_FLOWER_KEY_ENC_IP_TOS_MASK]) { |
105e8179 | 742 | flower->key.tunnel.tos = |
dd83253e | 743 | nl_attr_get_u8(attrs[TCA_FLOWER_KEY_ENC_IP_TOS]); |
49a7961f OG |
744 | flower->mask.tunnel.tos = |
745 | nl_attr_get_u8(attrs[TCA_FLOWER_KEY_ENC_IP_TOS_MASK]); | |
dd83253e | 746 | } |
49a7961f | 747 | if (attrs[TCA_FLOWER_KEY_ENC_IP_TTL_MASK]) { |
105e8179 | 748 | flower->key.tunnel.ttl = |
dd83253e | 749 | nl_attr_get_u8(attrs[TCA_FLOWER_KEY_ENC_IP_TTL]); |
49a7961f OG |
750 | flower->mask.tunnel.ttl = |
751 | nl_attr_get_u8(attrs[TCA_FLOWER_KEY_ENC_IP_TTL_MASK]); | |
dd83253e | 752 | } |
7c53bd78 PB |
753 | |
754 | if (!is_all_zeros(&flower->mask.tunnel, sizeof flower->mask.tunnel) || | |
755 | !is_all_zeros(&flower->key.tunnel, sizeof flower->key.tunnel)) { | |
756 | flower->tunnel = true; | |
757 | } | |
758 | ||
a468645c PJV |
759 | if (attrs[TCA_FLOWER_KEY_ENC_OPTS] && |
760 | attrs[TCA_FLOWER_KEY_ENC_OPTS_MASK]) { | |
761 | err = nl_parse_flower_tunnel_opts(attrs[TCA_FLOWER_KEY_ENC_OPTS], | |
762 | &flower->key.tunnel.metadata); | |
763 | if (err) { | |
764 | return err; | |
765 | } | |
766 | ||
767 | err = nl_parse_flower_tunnel_opts(attrs[TCA_FLOWER_KEY_ENC_OPTS_MASK], | |
768 | &flower->mask.tunnel.metadata); | |
769 | if (err) { | |
770 | return err; | |
771 | } | |
772 | ||
773 | err = flower_tun_geneve_opt_check_len(&flower->key.tunnel.metadata, | |
774 | &flower->mask.tunnel.metadata); | |
775 | if (err) { | |
776 | return err; | |
777 | } | |
778 | } else if (attrs[TCA_FLOWER_KEY_ENC_OPTS]) { | |
779 | VLOG_ERR_RL(&error_rl, | |
780 | "failed to parse tun options; no mask supplied"); | |
781 | return EINVAL; | |
782 | } else if (attrs[TCA_FLOWER_KEY_ENC_OPTS_MASK]) { | |
783 | VLOG_ERR_RL(&error_rl, "failed to parse tun options; no key supplied"); | |
784 | return EINVAL; | |
785 | } | |
786 | ||
787 | return 0; | |
f98e418f RD |
788 | } |
789 | ||
576126a9 PB |
790 | static void |
791 | nl_parse_flower_ct_match(struct nlattr **attrs, struct tc_flower *flower) { | |
792 | struct tc_flower_key *key = &flower->key; | |
793 | struct tc_flower_key *mask = &flower->mask; | |
794 | struct nlattr *attr_key, *attr_mask; | |
795 | ||
796 | attr_key = attrs[TCA_FLOWER_KEY_CT_STATE]; | |
797 | attr_mask = attrs[TCA_FLOWER_KEY_CT_STATE_MASK]; | |
798 | if (attr_mask) { | |
799 | key->ct_state = nl_attr_get_u16(attr_key); | |
800 | mask->ct_state = nl_attr_get_u16(attr_mask); | |
801 | } | |
802 | ||
803 | attr_key = attrs[TCA_FLOWER_KEY_CT_ZONE]; | |
804 | attr_mask = attrs[TCA_FLOWER_KEY_CT_ZONE_MASK]; | |
805 | if (attrs[TCA_FLOWER_KEY_CT_ZONE_MASK]) { | |
806 | key->ct_zone = nl_attr_get_u16(attr_key); | |
807 | mask->ct_zone = nl_attr_get_u16(attr_mask); | |
808 | } | |
9221c721 PB |
809 | |
810 | attr_key = attrs[TCA_FLOWER_KEY_CT_MARK]; | |
811 | attr_mask = attrs[TCA_FLOWER_KEY_CT_MARK_MASK]; | |
812 | if (attrs[TCA_FLOWER_KEY_CT_MARK_MASK]) { | |
813 | key->ct_mark = nl_attr_get_u32(attr_key); | |
814 | mask->ct_mark = nl_attr_get_u32(attr_mask); | |
815 | } | |
816 | ||
817 | attr_key = attrs[TCA_FLOWER_KEY_CT_LABELS]; | |
818 | attr_mask = attrs[TCA_FLOWER_KEY_CT_LABELS_MASK]; | |
819 | if (attrs[TCA_FLOWER_KEY_CT_LABELS_MASK]) { | |
820 | key->ct_label = nl_attr_get_u128(attr_key); | |
821 | mask->ct_label = nl_attr_get_u128(attr_mask); | |
822 | } | |
576126a9 PB |
823 | } |
824 | ||
f98e418f RD |
825 | static void |
826 | nl_parse_flower_ip(struct nlattr **attrs, struct tc_flower *flower) { | |
827 | uint8_t ip_proto = 0; | |
828 | struct tc_flower_key *key = &flower->key; | |
829 | struct tc_flower_key *mask = &flower->mask; | |
830 | ||
831 | if (attrs[TCA_FLOWER_KEY_IP_PROTO]) { | |
832 | ip_proto = nl_attr_get_u8(attrs[TCA_FLOWER_KEY_IP_PROTO]); | |
833 | key->ip_proto = ip_proto; | |
834 | mask->ip_proto = UINT8_MAX; | |
835 | } | |
836 | ||
83e86606 | 837 | if (attrs[TCA_FLOWER_KEY_FLAGS_MASK]) { |
7e0f69b5 IS |
838 | key->flags = ntohl(nl_attr_get_be32(attrs[TCA_FLOWER_KEY_FLAGS])); |
839 | mask->flags = | |
840 | ntohl(nl_attr_get_be32(attrs[TCA_FLOWER_KEY_FLAGS_MASK])); | |
83e86606 RD |
841 | } |
842 | ||
f98e418f RD |
843 | if (attrs[TCA_FLOWER_KEY_IPV4_SRC_MASK]) { |
844 | key->ipv4.ipv4_src = | |
845 | nl_attr_get_be32(attrs[TCA_FLOWER_KEY_IPV4_SRC]); | |
846 | mask->ipv4.ipv4_src = | |
847 | nl_attr_get_be32(attrs[TCA_FLOWER_KEY_IPV4_SRC_MASK]); | |
848 | } | |
849 | if (attrs[TCA_FLOWER_KEY_IPV4_DST_MASK]) { | |
850 | key->ipv4.ipv4_dst = | |
851 | nl_attr_get_be32(attrs[TCA_FLOWER_KEY_IPV4_DST]); | |
852 | mask->ipv4.ipv4_dst = | |
853 | nl_attr_get_be32(attrs[TCA_FLOWER_KEY_IPV4_DST_MASK]); | |
854 | } | |
855 | if (attrs[TCA_FLOWER_KEY_IPV6_SRC_MASK]) { | |
856 | struct nlattr *attr = attrs[TCA_FLOWER_KEY_IPV6_SRC]; | |
857 | struct nlattr *attr_mask = attrs[TCA_FLOWER_KEY_IPV6_SRC_MASK]; | |
858 | ||
859 | key->ipv6.ipv6_src = nl_attr_get_in6_addr(attr); | |
860 | mask->ipv6.ipv6_src = nl_attr_get_in6_addr(attr_mask); | |
861 | } | |
862 | if (attrs[TCA_FLOWER_KEY_IPV6_DST_MASK]) { | |
863 | struct nlattr *attr = attrs[TCA_FLOWER_KEY_IPV6_DST]; | |
864 | struct nlattr *attr_mask = attrs[TCA_FLOWER_KEY_IPV6_DST_MASK]; | |
865 | ||
866 | key->ipv6.ipv6_dst = nl_attr_get_in6_addr(attr); | |
867 | mask->ipv6.ipv6_dst = nl_attr_get_in6_addr(attr_mask); | |
868 | } | |
869 | ||
870 | if (ip_proto == IPPROTO_TCP) { | |
871 | if (attrs[TCA_FLOWER_KEY_TCP_SRC_MASK]) { | |
2b1d9fa9 | 872 | key->tcp_src = |
f98e418f | 873 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_TCP_SRC]); |
2b1d9fa9 | 874 | mask->tcp_src = |
f98e418f RD |
875 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_TCP_SRC_MASK]); |
876 | } | |
877 | if (attrs[TCA_FLOWER_KEY_TCP_DST_MASK]) { | |
2b1d9fa9 | 878 | key->tcp_dst = |
f98e418f | 879 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_TCP_DST]); |
2b1d9fa9 | 880 | mask->tcp_dst = |
f98e418f RD |
881 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_TCP_DST_MASK]); |
882 | } | |
cd081043 PB |
883 | if (attrs[TCA_FLOWER_KEY_TCP_FLAGS_MASK]) { |
884 | key->tcp_flags = | |
885 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_TCP_FLAGS]); | |
886 | mask->tcp_flags = | |
887 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_TCP_FLAGS_MASK]); | |
888 | } | |
f98e418f RD |
889 | } else if (ip_proto == IPPROTO_UDP) { |
890 | if (attrs[TCA_FLOWER_KEY_UDP_SRC_MASK]) { | |
2b1d9fa9 PB |
891 | key->udp_src = nl_attr_get_be16(attrs[TCA_FLOWER_KEY_UDP_SRC]); |
892 | mask->udp_src = | |
f98e418f RD |
893 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_UDP_SRC_MASK]); |
894 | } | |
895 | if (attrs[TCA_FLOWER_KEY_UDP_DST_MASK]) { | |
2b1d9fa9 PB |
896 | key->udp_dst = nl_attr_get_be16(attrs[TCA_FLOWER_KEY_UDP_DST]); |
897 | mask->udp_dst = | |
f98e418f RD |
898 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_UDP_DST_MASK]); |
899 | } | |
4862b4e5 VB |
900 | } else if (ip_proto == IPPROTO_SCTP) { |
901 | if (attrs[TCA_FLOWER_KEY_SCTP_SRC_MASK]) { | |
2b1d9fa9 PB |
902 | key->sctp_src = nl_attr_get_be16(attrs[TCA_FLOWER_KEY_SCTP_SRC]); |
903 | mask->sctp_src = | |
4862b4e5 VB |
904 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_SCTP_SRC_MASK]); |
905 | } | |
906 | if (attrs[TCA_FLOWER_KEY_SCTP_DST_MASK]) { | |
2b1d9fa9 PB |
907 | key->sctp_dst = nl_attr_get_be16(attrs[TCA_FLOWER_KEY_SCTP_DST]); |
908 | mask->sctp_dst = | |
4862b4e5 VB |
909 | nl_attr_get_be16(attrs[TCA_FLOWER_KEY_SCTP_DST_MASK]); |
910 | } | |
f98e418f | 911 | } |
0b4b5203 PB |
912 | |
913 | if (attrs[TCA_FLOWER_KEY_IP_TTL_MASK]) { | |
914 | key->ip_ttl = nl_attr_get_u8(attrs[TCA_FLOWER_KEY_IP_TTL]); | |
915 | mask->ip_ttl = nl_attr_get_u8(attrs[TCA_FLOWER_KEY_IP_TTL_MASK]); | |
916 | } | |
dfa2ccdb OG |
917 | |
918 | if (attrs[TCA_FLOWER_KEY_IP_TOS_MASK]) { | |
919 | key->ip_tos = nl_attr_get_u8(attrs[TCA_FLOWER_KEY_IP_TOS]); | |
920 | mask->ip_tos = nl_attr_get_u8(attrs[TCA_FLOWER_KEY_IP_TOS_MASK]); | |
921 | } | |
576126a9 PB |
922 | |
923 | nl_parse_flower_ct_match(attrs, flower); | |
f98e418f RD |
924 | } |
925 | ||
d63ca532 GT |
926 | static enum tc_offloaded_state |
927 | nl_get_flower_offloaded_state(struct nlattr **attrs) | |
928 | { | |
929 | uint32_t flower_flags = 0; | |
930 | ||
931 | if (attrs[TCA_FLOWER_FLAGS]) { | |
932 | flower_flags = nl_attr_get_u32(attrs[TCA_FLOWER_FLAGS]); | |
933 | if (flower_flags & TCA_CLS_FLAGS_NOT_IN_HW) { | |
934 | return TC_OFFLOADED_STATE_NOT_IN_HW; | |
935 | } else if (flower_flags & TCA_CLS_FLAGS_IN_HW) { | |
936 | return TC_OFFLOADED_STATE_IN_HW; | |
937 | } | |
938 | } | |
939 | return TC_OFFLOADED_STATE_UNDEFINED; | |
940 | } | |
941 | ||
942 | static void | |
943 | nl_parse_flower_flags(struct nlattr **attrs, struct tc_flower *flower) | |
944 | { | |
945 | flower->offloaded_state = nl_get_flower_offloaded_state(attrs); | |
946 | } | |
947 | ||
8ada482b PB |
948 | static const struct nl_policy pedit_policy[] = { |
949 | [TCA_PEDIT_PARMS_EX] = { .type = NL_A_UNSPEC, | |
950 | .min_len = sizeof(struct tc_pedit), | |
951 | .optional = false, }, | |
952 | [TCA_PEDIT_KEYS_EX] = { .type = NL_A_NESTED, | |
953 | .optional = false, }, | |
954 | }; | |
955 | ||
956 | static int | |
957 | nl_parse_act_pedit(struct nlattr *options, struct tc_flower *flower) | |
958 | { | |
0c70132c | 959 | struct tc_action *action; |
8ada482b PB |
960 | struct nlattr *pe_attrs[ARRAY_SIZE(pedit_policy)]; |
961 | const struct tc_pedit *pe; | |
962 | const struct tc_pedit_key *keys; | |
963 | const struct nlattr *nla, *keys_ex, *ex_type; | |
964 | const void *keys_attr; | |
965 | char *rewrite_key = (void *) &flower->rewrite.key; | |
966 | char *rewrite_mask = (void *) &flower->rewrite.mask; | |
967 | size_t keys_ex_size, left; | |
d6118e62 | 968 | int type, i = 0, err; |
8ada482b PB |
969 | |
970 | if (!nl_parse_nested(options, pedit_policy, pe_attrs, | |
971 | ARRAY_SIZE(pedit_policy))) { | |
972 | VLOG_ERR_RL(&error_rl, "failed to parse pedit action options"); | |
973 | return EPROTO; | |
974 | } | |
975 | ||
976 | pe = nl_attr_get_unspec(pe_attrs[TCA_PEDIT_PARMS_EX], sizeof *pe); | |
977 | keys = pe->keys; | |
978 | keys_attr = pe_attrs[TCA_PEDIT_KEYS_EX]; | |
979 | keys_ex = nl_attr_get(keys_attr); | |
980 | keys_ex_size = nl_attr_get_size(keys_attr); | |
981 | ||
982 | NL_ATTR_FOR_EACH (nla, left, keys_ex, keys_ex_size) { | |
983 | if (i >= pe->nkeys) { | |
984 | break; | |
985 | } | |
986 | ||
408671c4 | 987 | if (nl_attr_type(nla) != TCA_PEDIT_KEY_EX) { |
8ada482b PB |
988 | VLOG_ERR_RL(&error_rl, "unable to parse legacy pedit type: %d", |
989 | nl_attr_type(nla)); | |
990 | return EOPNOTSUPP; | |
991 | } | |
992 | ||
993 | ex_type = nl_attr_find_nested(nla, TCA_PEDIT_KEY_EX_HTYPE); | |
994 | type = nl_attr_get_u16(ex_type); | |
995 | ||
d6118e62 PB |
996 | err = csum_update_flag(flower, type); |
997 | if (err) { | |
998 | return err; | |
999 | } | |
1000 | ||
8ada482b PB |
1001 | for (int j = 0; j < ARRAY_SIZE(flower_pedit_map); j++) { |
1002 | struct flower_key_to_pedit *m = &flower_pedit_map[j]; | |
1003 | int flower_off = m->flower_offset; | |
1004 | int sz = m->size; | |
1005 | int mf = m->offset; | |
71d0c0d8 | 1006 | int ef = ROUND_UP(mf, 4); |
8ada482b PB |
1007 | |
1008 | if (m->htype != type) { | |
1009 | continue; | |
1010 | } | |
1011 | ||
1012 | /* check overlap between current pedit key, which is always | |
1013 | * 4 bytes (range [off, off + 3]), and a map entry in | |
71d0c0d8 | 1014 | * flower_pedit_map sf = ROUND_DOWN(mf, 4) |
1015 | * (range [sf|mf, (mf + sz - 1)|ef]) */ | |
8ada482b | 1016 | if ((keys->off >= mf && keys->off < mf + sz) |
71d0c0d8 | 1017 | || (keys->off + 3 >= mf && keys->off + 3 < ef)) { |
8ada482b | 1018 | int diff = flower_off + (keys->off - mf); |
f8b63e59 PJV |
1019 | ovs_be32 *dst = (void *) (rewrite_key + diff); |
1020 | ovs_be32 *dst_m = (void *) (rewrite_mask + diff); | |
dbcb014d | 1021 | ovs_be32 mask, mask_word, data_word; |
8ada482b PB |
1022 | uint32_t zero_bits; |
1023 | ||
dbcb014d PJV |
1024 | mask_word = htonl(ntohl(keys->mask) << m->boundary_shift); |
1025 | data_word = htonl(ntohl(keys->val) << m->boundary_shift); | |
1026 | mask = ~(mask_word); | |
1027 | ||
8ada482b PB |
1028 | if (keys->off < mf) { |
1029 | zero_bits = 8 * (mf - keys->off); | |
f8b63e59 | 1030 | mask &= htonl(UINT32_MAX >> zero_bits); |
8ada482b PB |
1031 | } else if (keys->off + 4 > mf + m->size) { |
1032 | zero_bits = 8 * (keys->off + 4 - mf - m->size); | |
f8b63e59 | 1033 | mask &= htonl(UINT32_MAX << zero_bits); |
8ada482b PB |
1034 | } |
1035 | ||
1036 | *dst_m |= mask; | |
dbcb014d | 1037 | *dst |= data_word & mask; |
8ada482b PB |
1038 | } |
1039 | } | |
1040 | ||
1041 | keys++; | |
1042 | i++; | |
1043 | } | |
1044 | ||
0c70132c CM |
1045 | action = &flower->actions[flower->action_count++]; |
1046 | action->type = TC_ACT_PEDIT; | |
8ada482b PB |
1047 | |
1048 | return 0; | |
1049 | } | |
1050 | ||
f98e418f RD |
1051 | static const struct nl_policy tunnel_key_policy[] = { |
1052 | [TCA_TUNNEL_KEY_PARMS] = { .type = NL_A_UNSPEC, | |
1053 | .min_len = sizeof(struct tc_tunnel_key), | |
1054 | .optional = false, }, | |
1055 | [TCA_TUNNEL_KEY_ENC_IPV4_SRC] = { .type = NL_A_U32, .optional = true, }, | |
1056 | [TCA_TUNNEL_KEY_ENC_IPV4_DST] = { .type = NL_A_U32, .optional = true, }, | |
1057 | [TCA_TUNNEL_KEY_ENC_IPV6_SRC] = { .type = NL_A_UNSPEC, | |
1058 | .min_len = sizeof(struct in6_addr), | |
1059 | .optional = true, }, | |
1060 | [TCA_TUNNEL_KEY_ENC_IPV6_DST] = { .type = NL_A_UNSPEC, | |
1061 | .min_len = sizeof(struct in6_addr), | |
1062 | .optional = true, }, | |
1063 | [TCA_TUNNEL_KEY_ENC_KEY_ID] = { .type = NL_A_U32, .optional = true, }, | |
1064 | [TCA_TUNNEL_KEY_ENC_DST_PORT] = { .type = NL_A_U16, .optional = true, }, | |
4b12e454 OG |
1065 | [TCA_TUNNEL_KEY_ENC_TOS] = { .type = NL_A_U8, .optional = true, }, |
1066 | [TCA_TUNNEL_KEY_ENC_TTL] = { .type = NL_A_U8, .optional = true, }, | |
202469aa | 1067 | [TCA_TUNNEL_KEY_ENC_OPTS] = { .type = NL_A_NESTED, .optional = true, }, |
d9677a1f | 1068 | [TCA_TUNNEL_KEY_NO_CSUM] = { .type = NL_A_U8, .optional = true, }, |
f98e418f RD |
1069 | }; |
1070 | ||
202469aa PJV |
1071 | static int |
1072 | nl_parse_act_geneve_opts(const struct nlattr *in_nlattr, | |
1073 | struct tc_action *action) | |
1074 | { | |
1075 | struct geneve_opt *opt = NULL; | |
1076 | const struct ofpbuf *msg; | |
1077 | uint16_t last_opt_type; | |
1078 | struct nlattr *nla; | |
1079 | struct ofpbuf buf; | |
1080 | size_t left; | |
1081 | int cnt; | |
1082 | ||
1083 | nl_attr_get_nested(in_nlattr, &buf); | |
1084 | msg = &buf; | |
1085 | ||
1086 | last_opt_type = TCA_TUNNEL_KEY_ENC_OPT_GENEVE_UNSPEC; | |
1087 | cnt = 0; | |
1088 | NL_ATTR_FOR_EACH (nla, left, ofpbuf_at(msg, 0, 0), msg->size) { | |
1089 | uint16_t type = nl_attr_type(nla); | |
1090 | ||
1091 | switch (type) { | |
1092 | case TCA_TUNNEL_KEY_ENC_OPT_GENEVE_CLASS: | |
1093 | if (cnt && last_opt_type != TCA_TUNNEL_KEY_ENC_OPT_GENEVE_DATA) { | |
1094 | VLOG_ERR_RL(&error_rl, | |
1095 | "failed to parse action geneve options class"); | |
1096 | return EINVAL; | |
1097 | } | |
1098 | ||
1099 | opt = &action->encap.data.opts.gnv[cnt]; | |
1100 | opt->opt_class = nl_attr_get_be16(nla); | |
1101 | cnt += sizeof(struct geneve_opt) / 4; | |
1102 | action->encap.data.present.len += sizeof(struct geneve_opt); | |
1103 | last_opt_type = TCA_TUNNEL_KEY_ENC_OPT_GENEVE_CLASS; | |
1104 | break; | |
1105 | case TCA_TUNNEL_KEY_ENC_OPT_GENEVE_TYPE: | |
1106 | if (last_opt_type != TCA_TUNNEL_KEY_ENC_OPT_GENEVE_CLASS) { | |
1107 | VLOG_ERR_RL(&error_rl, | |
1108 | "failed to parse action geneve options type"); | |
1109 | return EINVAL; | |
1110 | } | |
1111 | ||
1112 | opt->type = nl_attr_get_u8(nla); | |
1113 | last_opt_type = TCA_TUNNEL_KEY_ENC_OPT_GENEVE_TYPE; | |
1114 | break; | |
1115 | case TCA_TUNNEL_KEY_ENC_OPT_GENEVE_DATA: | |
1116 | if (last_opt_type != TCA_TUNNEL_KEY_ENC_OPT_GENEVE_TYPE) { | |
1117 | VLOG_ERR_RL(&error_rl, | |
1118 | "failed to parse action geneve options data"); | |
1119 | return EINVAL; | |
1120 | } | |
1121 | ||
1122 | opt->length = nl_attr_get_size(nla) / 4; | |
1123 | memcpy(opt + 1, nl_attr_get_unspec(nla, 1), opt->length * 4); | |
1124 | cnt += opt->length; | |
1125 | action->encap.data.present.len += opt->length * 4; | |
1126 | last_opt_type = TCA_TUNNEL_KEY_ENC_OPT_GENEVE_DATA; | |
1127 | break; | |
1128 | } | |
1129 | } | |
1130 | ||
1131 | if (last_opt_type != TCA_TUNNEL_KEY_ENC_OPT_GENEVE_DATA) { | |
1132 | VLOG_ERR_RL(&error_rl, | |
1133 | "failed to parse action geneve options without data"); | |
1134 | return EINVAL; | |
1135 | } | |
1136 | ||
1137 | return 0; | |
1138 | } | |
1139 | ||
1140 | static int | |
1141 | nl_parse_act_tunnel_opts(struct nlattr *options, struct tc_action *action) | |
1142 | { | |
1143 | const struct ofpbuf *msg; | |
1144 | struct nlattr *nla; | |
1145 | struct ofpbuf buf; | |
1146 | size_t left; | |
1147 | int err; | |
1148 | ||
1149 | if (!options) { | |
1150 | return 0; | |
1151 | } | |
1152 | ||
1153 | nl_attr_get_nested(options, &buf); | |
1154 | msg = &buf; | |
1155 | ||
1156 | NL_ATTR_FOR_EACH (nla, left, ofpbuf_at(msg, 0, 0), msg->size) { | |
1157 | uint16_t type = nl_attr_type(nla); | |
1158 | switch (type) { | |
1159 | case TCA_TUNNEL_KEY_ENC_OPTS_GENEVE: | |
1160 | err = nl_parse_act_geneve_opts(nla, action); | |
1161 | if (err) { | |
1162 | return err; | |
1163 | } | |
1164 | ||
1165 | break; | |
1166 | } | |
1167 | } | |
1168 | ||
1169 | return 0; | |
1170 | } | |
1171 | ||
f98e418f RD |
1172 | static int |
1173 | nl_parse_act_tunnel_key(struct nlattr *options, struct tc_flower *flower) | |
1174 | { | |
1175 | struct nlattr *tun_attrs[ARRAY_SIZE(tunnel_key_policy)]; | |
1176 | const struct nlattr *tun_parms; | |
1177 | const struct tc_tunnel_key *tun; | |
0c70132c | 1178 | struct tc_action *action; |
202469aa | 1179 | int err; |
f98e418f RD |
1180 | |
1181 | if (!nl_parse_nested(options, tunnel_key_policy, tun_attrs, | |
1182 | ARRAY_SIZE(tunnel_key_policy))) { | |
1183 | VLOG_ERR_RL(&error_rl, "failed to parse tunnel_key action options"); | |
1184 | return EPROTO; | |
1185 | } | |
1186 | ||
1187 | tun_parms = tun_attrs[TCA_TUNNEL_KEY_PARMS]; | |
1188 | tun = nl_attr_get_unspec(tun_parms, sizeof *tun); | |
1189 | if (tun->t_action == TCA_TUNNEL_KEY_ACT_SET) { | |
1190 | struct nlattr *id = tun_attrs[TCA_TUNNEL_KEY_ENC_KEY_ID]; | |
1191 | struct nlattr *dst_port = tun_attrs[TCA_TUNNEL_KEY_ENC_DST_PORT]; | |
1192 | struct nlattr *ipv4_src = tun_attrs[TCA_TUNNEL_KEY_ENC_IPV4_SRC]; | |
1193 | struct nlattr *ipv4_dst = tun_attrs[TCA_TUNNEL_KEY_ENC_IPV4_DST]; | |
1194 | struct nlattr *ipv6_src = tun_attrs[TCA_TUNNEL_KEY_ENC_IPV6_SRC]; | |
1195 | struct nlattr *ipv6_dst = tun_attrs[TCA_TUNNEL_KEY_ENC_IPV6_DST]; | |
4b12e454 OG |
1196 | struct nlattr *tos = tun_attrs[TCA_TUNNEL_KEY_ENC_TOS]; |
1197 | struct nlattr *ttl = tun_attrs[TCA_TUNNEL_KEY_ENC_TTL]; | |
202469aa | 1198 | struct nlattr *tun_opt = tun_attrs[TCA_TUNNEL_KEY_ENC_OPTS]; |
d9677a1f | 1199 | struct nlattr *no_csum = tun_attrs[TCA_TUNNEL_KEY_NO_CSUM]; |
f98e418f | 1200 | |
0c70132c CM |
1201 | action = &flower->actions[flower->action_count++]; |
1202 | action->type = TC_ACT_ENCAP; | |
1203 | action->encap.ipv4.ipv4_src = ipv4_src ? nl_attr_get_be32(ipv4_src) : 0; | |
1204 | action->encap.ipv4.ipv4_dst = ipv4_dst ? nl_attr_get_be32(ipv4_dst) : 0; | |
f98e418f | 1205 | if (ipv6_src) { |
0c70132c | 1206 | action->encap.ipv6.ipv6_src = nl_attr_get_in6_addr(ipv6_src); |
f98e418f RD |
1207 | } |
1208 | if (ipv6_dst) { | |
0c70132c | 1209 | action->encap.ipv6.ipv6_dst = nl_attr_get_in6_addr(ipv6_dst); |
f98e418f | 1210 | } |
0c70132c | 1211 | action->encap.id = id ? be32_to_be64(nl_attr_get_be32(id)) : 0; |
0227bf09 | 1212 | action->encap.id_present = id ? true : false; |
0c70132c | 1213 | action->encap.tp_dst = dst_port ? nl_attr_get_be16(dst_port) : 0; |
4b12e454 OG |
1214 | action->encap.tos = tos ? nl_attr_get_u8(tos) : 0; |
1215 | action->encap.ttl = ttl ? nl_attr_get_u8(ttl) : 0; | |
d9677a1f | 1216 | action->encap.no_csum = no_csum ? nl_attr_get_u8(no_csum) : 0; |
202469aa PJV |
1217 | |
1218 | err = nl_parse_act_tunnel_opts(tun_opt, action); | |
1219 | if (err) { | |
1220 | return err; | |
1221 | } | |
f98e418f | 1222 | } else if (tun->t_action == TCA_TUNNEL_KEY_ACT_RELEASE) { |
105e8179 | 1223 | flower->tunnel = true; |
f98e418f RD |
1224 | } else { |
1225 | VLOG_ERR_RL(&error_rl, "unknown tunnel actions: %d, %d", | |
1226 | tun->action, tun->t_action); | |
1227 | return EINVAL; | |
1228 | } | |
1229 | return 0; | |
1230 | } | |
1231 | ||
1232 | static const struct nl_policy gact_policy[] = { | |
1233 | [TCA_GACT_PARMS] = { .type = NL_A_UNSPEC, | |
1234 | .min_len = sizeof(struct tc_gact), | |
1235 | .optional = false, }, | |
1236 | [TCA_GACT_TM] = { .type = NL_A_UNSPEC, | |
1237 | .min_len = sizeof(struct tcf_t), | |
1238 | .optional = false, }, | |
1239 | }; | |
1240 | ||
8c1e74d1 PB |
1241 | static int |
1242 | get_user_hz(void) | |
1243 | { | |
1244 | static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER; | |
1245 | static int user_hz = 100; | |
1246 | ||
1247 | if (ovsthread_once_start(&once)) { | |
1248 | user_hz = sysconf(_SC_CLK_TCK); | |
1249 | ovsthread_once_done(&once); | |
1250 | } | |
1251 | ||
1252 | return user_hz; | |
1253 | } | |
f98e418f RD |
1254 | |
1255 | static void | |
1256 | nl_parse_tcf(const struct tcf_t *tm, struct tc_flower *flower) | |
1257 | { | |
8c1e74d1 | 1258 | flower->lastused = time_msec() - (tm->lastuse * 1000 / get_user_hz()); |
f98e418f RD |
1259 | } |
1260 | ||
1261 | static int | |
b2ae4069 | 1262 | nl_parse_act_gact(struct nlattr *options, struct tc_flower *flower) |
f98e418f RD |
1263 | { |
1264 | struct nlattr *gact_attrs[ARRAY_SIZE(gact_policy)]; | |
1265 | const struct tc_gact *p; | |
1266 | struct nlattr *gact_parms; | |
1267 | const struct tcf_t *tm; | |
b2ae4069 | 1268 | struct tc_action *action; |
f98e418f RD |
1269 | |
1270 | if (!nl_parse_nested(options, gact_policy, gact_attrs, | |
1271 | ARRAY_SIZE(gact_policy))) { | |
1272 | VLOG_ERR_RL(&error_rl, "failed to parse gact action options"); | |
1273 | return EPROTO; | |
1274 | } | |
1275 | ||
1276 | gact_parms = gact_attrs[TCA_GACT_PARMS]; | |
1277 | p = nl_attr_get_unspec(gact_parms, sizeof *p); | |
1278 | ||
b2ae4069 PB |
1279 | if (TC_ACT_EXT_CMP(p->action, TC_ACT_GOTO_CHAIN)) { |
1280 | action = &flower->actions[flower->action_count++]; | |
1281 | action->chain = p->action & TC_ACT_EXT_VAL_MASK; | |
1282 | action->type = TC_ACT_GOTO; | |
1283 | } else if (p->action != TC_ACT_SHOT) { | |
f98e418f RD |
1284 | VLOG_ERR_RL(&error_rl, "unknown gact action: %d", p->action); |
1285 | return EINVAL; | |
1286 | } | |
1287 | ||
1288 | tm = nl_attr_get_unspec(gact_attrs[TCA_GACT_TM], sizeof *tm); | |
1289 | nl_parse_tcf(tm, flower); | |
1290 | ||
1291 | return 0; | |
1292 | } | |
1293 | ||
1294 | static const struct nl_policy mirred_policy[] = { | |
1295 | [TCA_MIRRED_PARMS] = { .type = NL_A_UNSPEC, | |
1296 | .min_len = sizeof(struct tc_mirred), | |
1297 | .optional = false, }, | |
1298 | [TCA_MIRRED_TM] = { .type = NL_A_UNSPEC, | |
1299 | .min_len = sizeof(struct tcf_t), | |
1300 | .optional = false, }, | |
1301 | }; | |
1302 | ||
1303 | static int | |
1304 | nl_parse_act_mirred(struct nlattr *options, struct tc_flower *flower) | |
1305 | { | |
1306 | ||
1307 | struct nlattr *mirred_attrs[ARRAY_SIZE(mirred_policy)]; | |
1308 | const struct tc_mirred *m; | |
1309 | const struct nlattr *mirred_parms; | |
1310 | const struct tcf_t *tm; | |
1311 | struct nlattr *mirred_tm; | |
0c70132c | 1312 | struct tc_action *action; |
f98e418f RD |
1313 | |
1314 | if (!nl_parse_nested(options, mirred_policy, mirred_attrs, | |
1315 | ARRAY_SIZE(mirred_policy))) { | |
1316 | VLOG_ERR_RL(&error_rl, "failed to parse mirred action options"); | |
1317 | return EPROTO; | |
1318 | } | |
1319 | ||
1320 | mirred_parms = mirred_attrs[TCA_MIRRED_PARMS]; | |
1321 | m = nl_attr_get_unspec(mirred_parms, sizeof *m); | |
1322 | ||
4aa2dc04 JH |
1323 | if (m->eaction != TCA_EGRESS_REDIR && m->eaction != TCA_EGRESS_MIRROR && |
1324 | m->eaction != TCA_INGRESS_REDIR && m->eaction != TCA_INGRESS_MIRROR) { | |
f98e418f | 1325 | VLOG_ERR_RL(&error_rl, "unknown mirred action: %d, %d, %d", |
0c70132c | 1326 | m->action, m->eaction, m->ifindex); |
f98e418f RD |
1327 | return EINVAL; |
1328 | } | |
1329 | ||
0c70132c | 1330 | action = &flower->actions[flower->action_count++]; |
4aa2dc04 JH |
1331 | action->out.ifindex_out = m->ifindex; |
1332 | if (m->eaction == TCA_INGRESS_REDIR || m->eaction == TCA_INGRESS_MIRROR) { | |
1333 | action->out.ingress = true; | |
1334 | } else { | |
1335 | action->out.ingress = false; | |
1336 | } | |
0c70132c | 1337 | action->type = TC_ACT_OUTPUT; |
f98e418f RD |
1338 | |
1339 | mirred_tm = mirred_attrs[TCA_MIRRED_TM]; | |
1340 | tm = nl_attr_get_unspec(mirred_tm, sizeof *tm); | |
1341 | nl_parse_tcf(tm, flower); | |
1342 | ||
1343 | return 0; | |
1344 | } | |
1345 | ||
576126a9 PB |
1346 | static const struct nl_policy ct_policy[] = { |
1347 | [TCA_CT_PARMS] = { .type = NL_A_UNSPEC, | |
1348 | .min_len = sizeof(struct tc_ct), | |
1349 | .optional = false, }, | |
1350 | [TCA_CT_ACTION] = { .type = NL_A_U16, | |
1351 | .optional = true, }, | |
1352 | [TCA_CT_ZONE] = { .type = NL_A_U16, | |
1353 | .optional = true, }, | |
9221c721 PB |
1354 | [TCA_CT_MARK] = { .type = NL_A_U32, |
1355 | .optional = true, }, | |
1356 | [TCA_CT_MARK_MASK] = { .type = NL_A_U32, | |
1357 | .optional = true, }, | |
1358 | [TCA_CT_LABELS] = { .type = NL_A_UNSPEC, | |
1359 | .optional = true, }, | |
1360 | [TCA_CT_LABELS_MASK] = { .type = NL_A_UNSPEC, | |
1361 | .optional = true, }, | |
2bf6ffb7 PB |
1362 | [TCA_CT_NAT_IPV4_MIN] = { .type = NL_A_U32, |
1363 | .optional = true, }, | |
1364 | [TCA_CT_NAT_IPV4_MAX] = { .type = NL_A_U32, | |
1365 | .optional = true, }, | |
1366 | [TCA_CT_NAT_IPV6_MIN] = { .min_len = sizeof(struct in6_addr), | |
1367 | .type = NL_A_UNSPEC, | |
1368 | .optional = true }, | |
1369 | [TCA_CT_NAT_IPV6_MAX] = { .min_len = sizeof(struct in6_addr), | |
1370 | .type = NL_A_UNSPEC, | |
1371 | .optional = true }, | |
1372 | [TCA_CT_NAT_PORT_MIN] = { .type = NL_A_U16, | |
1373 | .optional = true, }, | |
1374 | [TCA_CT_NAT_PORT_MAX] = { .type = NL_A_U16, | |
1375 | .optional = true, }, | |
576126a9 PB |
1376 | }; |
1377 | ||
1378 | static int | |
1379 | nl_parse_act_ct(struct nlattr *options, struct tc_flower *flower) | |
1380 | { | |
1381 | struct nlattr *ct_attrs[ARRAY_SIZE(ct_policy)]; | |
1382 | const struct nlattr *ct_parms; | |
1383 | struct tc_action *action; | |
1384 | const struct tc_ct *ct; | |
1385 | uint16_t ct_action = 0; | |
1386 | ||
1387 | if (!nl_parse_nested(options, ct_policy, ct_attrs, | |
1388 | ARRAY_SIZE(ct_policy))) { | |
1389 | VLOG_ERR_RL(&error_rl, "failed to parse ct action options"); | |
1390 | return EPROTO; | |
1391 | } | |
1392 | ||
1393 | ct_parms = ct_attrs[TCA_CT_PARMS]; | |
1394 | ct = nl_attr_get_unspec(ct_parms, sizeof *ct); | |
1395 | ||
1396 | if (ct_attrs[TCA_CT_ACTION]) { | |
1397 | ct_action = nl_attr_get_u16(ct_attrs[TCA_CT_ACTION]); | |
1398 | } | |
1399 | ||
1400 | action = &flower->actions[flower->action_count++]; | |
1401 | action->ct.clear = ct_action & TCA_CT_ACT_CLEAR; | |
1402 | if (!action->ct.clear) { | |
1403 | struct nlattr *zone = ct_attrs[TCA_CT_ZONE]; | |
9221c721 PB |
1404 | struct nlattr *mark = ct_attrs[TCA_CT_MARK]; |
1405 | struct nlattr *mark_mask = ct_attrs[TCA_CT_MARK_MASK]; | |
1406 | struct nlattr *label = ct_attrs[TCA_CT_LABELS]; | |
1407 | struct nlattr *label_mask = ct_attrs[TCA_CT_LABELS_MASK]; | |
576126a9 PB |
1408 | |
1409 | action->ct.commit = ct_action & TCA_CT_ACT_COMMIT; | |
1410 | action->ct.force = ct_action & TCA_CT_ACT_FORCE; | |
1411 | ||
1412 | action->ct.zone = zone ? nl_attr_get_u16(zone) : 0; | |
9221c721 PB |
1413 | action->ct.mark = mark ? nl_attr_get_u32(mark) : 0; |
1414 | action->ct.mark_mask = mark_mask ? nl_attr_get_u32(mark_mask) : 0; | |
1415 | action->ct.label = label? nl_attr_get_u128(label) : OVS_U128_ZERO; | |
1416 | action->ct.label_mask = label_mask ? | |
1417 | nl_attr_get_u128(label_mask) : OVS_U128_ZERO; | |
576126a9 | 1418 | |
2bf6ffb7 PB |
1419 | if (ct_action & TCA_CT_ACT_NAT) { |
1420 | struct nlattr *ipv4_min = ct_attrs[TCA_CT_NAT_IPV4_MIN]; | |
1421 | struct nlattr *ipv4_max = ct_attrs[TCA_CT_NAT_IPV4_MAX]; | |
1422 | struct nlattr *ipv6_min = ct_attrs[TCA_CT_NAT_IPV6_MIN]; | |
1423 | struct nlattr *ipv6_max = ct_attrs[TCA_CT_NAT_IPV6_MAX]; | |
1424 | struct nlattr *port_min = ct_attrs[TCA_CT_NAT_PORT_MIN]; | |
1425 | struct nlattr *port_max = ct_attrs[TCA_CT_NAT_PORT_MAX]; | |
1426 | ||
1427 | action->ct.nat_type = TC_NAT_RESTORE; | |
1428 | if (ct_action & TCA_CT_ACT_NAT_SRC) { | |
1429 | action->ct.nat_type = TC_NAT_SRC; | |
1430 | } else if (ct_action & TCA_CT_ACT_NAT_DST) { | |
1431 | action->ct.nat_type = TC_NAT_DST; | |
1432 | } | |
1433 | ||
1434 | if (ipv4_min) { | |
1435 | action->ct.range.ip_family = AF_INET; | |
1436 | action->ct.range.ipv4.min = nl_attr_get_be32(ipv4_min); | |
1437 | if (ipv4_max) { | |
1438 | ovs_be32 addr = nl_attr_get_be32(ipv4_max); | |
1439 | ||
1440 | action->ct.range.ipv4.max = addr; | |
1441 | } | |
1442 | } else if (ipv6_min) { | |
1443 | action->ct.range.ip_family = AF_INET6; | |
1444 | action->ct.range.ipv6.min | |
1445 | = nl_attr_get_in6_addr(ipv6_min); | |
1446 | if (ipv6_max) { | |
1447 | struct in6_addr addr = nl_attr_get_in6_addr(ipv6_max); | |
1448 | ||
1449 | action->ct.range.ipv6.max = addr; | |
1450 | } | |
1451 | } | |
1452 | ||
1453 | if (port_min) { | |
1454 | action->ct.range.port.min = nl_attr_get_be16(port_min); | |
1455 | if (port_max) { | |
1456 | action->ct.range.port.max = nl_attr_get_be16(port_max); | |
1457 | } | |
1458 | } | |
1459 | } | |
576126a9 PB |
1460 | } |
1461 | action->type = TC_ACT_CT; | |
1462 | ||
1463 | return 0; | |
1464 | } | |
1465 | ||
f98e418f RD |
1466 | static const struct nl_policy vlan_policy[] = { |
1467 | [TCA_VLAN_PARMS] = { .type = NL_A_UNSPEC, | |
1468 | .min_len = sizeof(struct tc_vlan), | |
1469 | .optional = false, }, | |
1470 | [TCA_VLAN_PUSH_VLAN_ID] = { .type = NL_A_U16, .optional = true, }, | |
1471 | [TCA_VLAN_PUSH_VLAN_PROTOCOL] = { .type = NL_A_U16, .optional = true, }, | |
1472 | [TCA_VLAN_PUSH_VLAN_PRIORITY] = { .type = NL_A_U8, .optional = true, }, | |
1473 | }; | |
1474 | ||
1475 | static int | |
1476 | nl_parse_act_vlan(struct nlattr *options, struct tc_flower *flower) | |
1477 | { | |
1478 | struct nlattr *vlan_attrs[ARRAY_SIZE(vlan_policy)]; | |
1479 | const struct tc_vlan *v; | |
1480 | const struct nlattr *vlan_parms; | |
0c70132c | 1481 | struct tc_action *action; |
f98e418f RD |
1482 | |
1483 | if (!nl_parse_nested(options, vlan_policy, vlan_attrs, | |
1484 | ARRAY_SIZE(vlan_policy))) { | |
1485 | VLOG_ERR_RL(&error_rl, "failed to parse vlan action options"); | |
1486 | return EPROTO; | |
1487 | } | |
1488 | ||
0c70132c | 1489 | action = &flower->actions[flower->action_count++]; |
f98e418f RD |
1490 | vlan_parms = vlan_attrs[TCA_VLAN_PARMS]; |
1491 | v = nl_attr_get_unspec(vlan_parms, sizeof *v); | |
1492 | if (v->v_action == TCA_VLAN_ACT_PUSH) { | |
61e8655c | 1493 | struct nlattr *vlan_tpid = vlan_attrs[TCA_VLAN_PUSH_VLAN_PROTOCOL]; |
f98e418f RD |
1494 | struct nlattr *vlan_id = vlan_attrs[TCA_VLAN_PUSH_VLAN_ID]; |
1495 | struct nlattr *vlan_prio = vlan_attrs[TCA_VLAN_PUSH_VLAN_PRIORITY]; | |
1496 | ||
10097f3f | 1497 | action->vlan.vlan_push_tpid = nl_attr_get_be16(vlan_tpid); |
0c70132c CM |
1498 | action->vlan.vlan_push_id = nl_attr_get_u16(vlan_id); |
1499 | action->vlan.vlan_push_prio = vlan_prio ? nl_attr_get_u8(vlan_prio) : 0; | |
1500 | action->type = TC_ACT_VLAN_PUSH; | |
f98e418f | 1501 | } else if (v->v_action == TCA_VLAN_ACT_POP) { |
0c70132c | 1502 | action->type = TC_ACT_VLAN_POP; |
f98e418f RD |
1503 | } else { |
1504 | VLOG_ERR_RL(&error_rl, "unknown vlan action: %d, %d", | |
1505 | v->action, v->v_action); | |
1506 | return EINVAL; | |
1507 | } | |
1508 | return 0; | |
1509 | } | |
1510 | ||
55412eac JH |
1511 | static const struct nl_policy mpls_policy[] = { |
1512 | [TCA_MPLS_PARMS] = { .type = NL_A_UNSPEC, | |
1513 | .min_len = sizeof(struct tc_mpls), | |
1514 | .optional = false, }, | |
1515 | [TCA_MPLS_PROTO] = { .type = NL_A_U16, .optional = true, }, | |
283dcf85 JH |
1516 | [TCA_MPLS_LABEL] = { .type = NL_A_U32, .optional = true, }, |
1517 | [TCA_MPLS_TC] = { .type = NL_A_U8, .optional = true, }, | |
1518 | [TCA_MPLS_TTL] = { .type = NL_A_U8, .optional = true, }, | |
1519 | [TCA_MPLS_BOS] = { .type = NL_A_U8, .optional = true, }, | |
55412eac JH |
1520 | }; |
1521 | ||
1522 | static int | |
1523 | nl_parse_act_mpls(struct nlattr *options, struct tc_flower *flower) | |
1524 | { | |
1525 | struct nlattr *mpls_attrs[ARRAY_SIZE(mpls_policy)]; | |
1526 | const struct nlattr *mpls_parms; | |
1527 | struct nlattr *mpls_proto; | |
283dcf85 | 1528 | struct nlattr *mpls_label; |
55412eac JH |
1529 | struct tc_action *action; |
1530 | const struct tc_mpls *m; | |
283dcf85 JH |
1531 | struct nlattr *mpls_ttl; |
1532 | struct nlattr *mpls_bos; | |
1533 | struct nlattr *mpls_tc; | |
55412eac JH |
1534 | |
1535 | if (!nl_parse_nested(options, mpls_policy, mpls_attrs, | |
1536 | ARRAY_SIZE(mpls_policy))) { | |
1537 | VLOG_ERR_RL(&error_rl, "failed to parse mpls action options"); | |
1538 | return EPROTO; | |
1539 | } | |
1540 | ||
1541 | action = &flower->actions[flower->action_count++]; | |
1542 | mpls_parms = mpls_attrs[TCA_MPLS_PARMS]; | |
1543 | m = nl_attr_get_unspec(mpls_parms, sizeof *m); | |
1544 | ||
1545 | switch (m->m_action) { | |
1546 | case TCA_MPLS_ACT_POP: | |
1547 | mpls_proto = mpls_attrs[TCA_MPLS_PROTO]; | |
1548 | if (mpls_proto) { | |
1549 | action->mpls.proto = nl_attr_get_be16(mpls_proto); | |
1550 | } | |
1551 | action->type = TC_ACT_MPLS_POP; | |
1552 | break; | |
283dcf85 JH |
1553 | case TCA_MPLS_ACT_PUSH: |
1554 | mpls_proto = mpls_attrs[TCA_MPLS_PROTO]; | |
1555 | if (mpls_proto) { | |
1556 | action->mpls.proto = nl_attr_get_be16(mpls_proto); | |
1557 | } | |
1558 | mpls_label = mpls_attrs[TCA_MPLS_LABEL]; | |
1559 | if (mpls_label) { | |
1560 | action->mpls.label = nl_attr_get_u32(mpls_label); | |
1561 | } | |
1562 | mpls_tc = mpls_attrs[TCA_MPLS_TC]; | |
1563 | if (mpls_tc) { | |
1564 | action->mpls.tc = nl_attr_get_u8(mpls_tc); | |
1565 | } | |
1566 | mpls_ttl = mpls_attrs[TCA_MPLS_TTL]; | |
1567 | if (mpls_ttl) { | |
1568 | action->mpls.ttl = nl_attr_get_u8(mpls_ttl); | |
1569 | } | |
1570 | mpls_bos = mpls_attrs[TCA_MPLS_BOS]; | |
1571 | if (mpls_bos) { | |
1572 | action->mpls.bos = nl_attr_get_u8(mpls_bos); | |
1573 | } | |
1574 | action->type = TC_ACT_MPLS_PUSH; | |
1575 | break; | |
a8f005cf JH |
1576 | case TCA_MPLS_ACT_MODIFY: |
1577 | mpls_label = mpls_attrs[TCA_MPLS_LABEL]; | |
1578 | if (mpls_label) { | |
1579 | action->mpls.label = nl_attr_get_u32(mpls_label); | |
1580 | } | |
1581 | mpls_tc = mpls_attrs[TCA_MPLS_TC]; | |
1582 | if (mpls_tc) { | |
1583 | action->mpls.tc = nl_attr_get_u8(mpls_tc); | |
1584 | } | |
1585 | mpls_ttl = mpls_attrs[TCA_MPLS_TTL]; | |
1586 | if (mpls_ttl) { | |
1587 | action->mpls.ttl = nl_attr_get_u8(mpls_ttl); | |
1588 | } | |
1589 | mpls_bos = mpls_attrs[TCA_MPLS_BOS]; | |
1590 | if (mpls_bos) { | |
1591 | action->mpls.bos = nl_attr_get_u8(mpls_bos); | |
1592 | } | |
1593 | action->type = TC_ACT_MPLS_SET; | |
1594 | break; | |
55412eac JH |
1595 | default: |
1596 | VLOG_ERR_RL(&error_rl, "unknown mpls action: %d, %d", | |
1597 | m->action, m->m_action); | |
1598 | return EINVAL; | |
1599 | } | |
1600 | ||
1601 | return 0; | |
1602 | } | |
1603 | ||
d6118e62 PB |
1604 | static const struct nl_policy csum_policy[] = { |
1605 | [TCA_CSUM_PARMS] = { .type = NL_A_UNSPEC, | |
1606 | .min_len = sizeof(struct tc_csum), | |
1607 | .optional = false, }, | |
1608 | }; | |
1609 | ||
1610 | static int | |
1611 | nl_parse_act_csum(struct nlattr *options, struct tc_flower *flower) | |
1612 | { | |
1613 | struct nlattr *csum_attrs[ARRAY_SIZE(csum_policy)]; | |
1614 | const struct tc_csum *c; | |
1615 | const struct nlattr *csum_parms; | |
1616 | ||
1617 | if (!nl_parse_nested(options, csum_policy, csum_attrs, | |
1618 | ARRAY_SIZE(csum_policy))) { | |
1619 | VLOG_ERR_RL(&error_rl, "failed to parse csum action options"); | |
1620 | return EPROTO; | |
1621 | } | |
1622 | ||
1623 | csum_parms = csum_attrs[TCA_CSUM_PARMS]; | |
1624 | c = nl_attr_get_unspec(csum_parms, sizeof *c); | |
1625 | ||
1626 | /* sanity checks */ | |
1627 | if (c->update_flags != flower->csum_update_flags) { | |
1628 | VLOG_WARN_RL(&error_rl, | |
1629 | "expected different act csum flags: 0x%x != 0x%x", | |
1630 | flower->csum_update_flags, c->update_flags); | |
1631 | return EINVAL; | |
1632 | } | |
1633 | flower->csum_update_flags = 0; /* so we know csum was handled */ | |
1634 | ||
1635 | if (flower->needs_full_ip_proto_mask | |
1636 | && flower->mask.ip_proto != UINT8_MAX) { | |
1637 | VLOG_WARN_RL(&error_rl, "expected full matching on flower ip_proto"); | |
1638 | return EINVAL; | |
1639 | } | |
1640 | ||
1641 | return 0; | |
1642 | } | |
1643 | ||
f98e418f RD |
1644 | static const struct nl_policy act_policy[] = { |
1645 | [TCA_ACT_KIND] = { .type = NL_A_STRING, .optional = false, }, | |
1646 | [TCA_ACT_COOKIE] = { .type = NL_A_UNSPEC, .optional = true, }, | |
5db012c4 | 1647 | [TCA_ACT_OPTIONS] = { .type = NL_A_NESTED, .optional = true, }, |
f98e418f RD |
1648 | [TCA_ACT_STATS] = { .type = NL_A_NESTED, .optional = false, }, |
1649 | }; | |
1650 | ||
1651 | static const struct nl_policy stats_policy[] = { | |
1652 | [TCA_STATS_BASIC] = { .type = NL_A_UNSPEC, | |
1653 | .min_len = sizeof(struct gnet_stats_basic), | |
1654 | .optional = false, }, | |
1655 | }; | |
1656 | ||
1657 | static int | |
5db012c4 VB |
1658 | nl_parse_single_action(struct nlattr *action, struct tc_flower *flower, |
1659 | bool terse) | |
f98e418f RD |
1660 | { |
1661 | struct nlattr *act_options; | |
1662 | struct nlattr *act_stats; | |
1663 | struct nlattr *act_cookie; | |
1664 | const char *act_kind; | |
1665 | struct nlattr *action_attrs[ARRAY_SIZE(act_policy)]; | |
1666 | struct nlattr *stats_attrs[ARRAY_SIZE(stats_policy)]; | |
1667 | struct ovs_flow_stats *stats = &flower->stats; | |
1668 | const struct gnet_stats_basic *bs; | |
40c5aa11 | 1669 | int err = 0; |
f98e418f RD |
1670 | |
1671 | if (!nl_parse_nested(action, act_policy, action_attrs, | |
5db012c4 VB |
1672 | ARRAY_SIZE(act_policy)) || |
1673 | (!terse && !action_attrs[TCA_ACT_OPTIONS])) { | |
f98e418f RD |
1674 | VLOG_ERR_RL(&error_rl, "failed to parse single action options"); |
1675 | return EPROTO; | |
1676 | } | |
1677 | ||
1678 | act_kind = nl_attr_get_string(action_attrs[TCA_ACT_KIND]); | |
1679 | act_options = action_attrs[TCA_ACT_OPTIONS]; | |
1680 | act_cookie = action_attrs[TCA_ACT_COOKIE]; | |
1681 | ||
5db012c4 VB |
1682 | if (terse) { |
1683 | /* Terse dump doesn't provide act options attribute. */ | |
1684 | } else if (!strcmp(act_kind, "gact")) { | |
b2ae4069 | 1685 | err = nl_parse_act_gact(act_options, flower); |
f98e418f | 1686 | } else if (!strcmp(act_kind, "mirred")) { |
40c5aa11 | 1687 | err = nl_parse_act_mirred(act_options, flower); |
f98e418f | 1688 | } else if (!strcmp(act_kind, "vlan")) { |
40c5aa11 | 1689 | err = nl_parse_act_vlan(act_options, flower); |
55412eac JH |
1690 | } else if (!strcmp(act_kind, "mpls")) { |
1691 | err = nl_parse_act_mpls(act_options, flower); | |
f98e418f | 1692 | } else if (!strcmp(act_kind, "tunnel_key")) { |
40c5aa11 | 1693 | err = nl_parse_act_tunnel_key(act_options, flower); |
8ada482b | 1694 | } else if (!strcmp(act_kind, "pedit")) { |
40c5aa11 | 1695 | err = nl_parse_act_pedit(act_options, flower); |
8ada482b | 1696 | } else if (!strcmp(act_kind, "csum")) { |
d6118e62 | 1697 | nl_parse_act_csum(act_options, flower); |
4aa2dc04 JH |
1698 | } else if (!strcmp(act_kind, "skbedit")) { |
1699 | /* Added for TC rule only (not in OvS rule) so ignore. */ | |
576126a9 PB |
1700 | } else if (!strcmp(act_kind, "ct")) { |
1701 | nl_parse_act_ct(act_options, flower); | |
f98e418f RD |
1702 | } else { |
1703 | VLOG_ERR_RL(&error_rl, "unknown tc action kind: %s", act_kind); | |
40c5aa11 RD |
1704 | err = EINVAL; |
1705 | } | |
1706 | ||
1707 | if (err) { | |
1708 | return err; | |
f98e418f RD |
1709 | } |
1710 | ||
1711 | if (act_cookie) { | |
1712 | flower->act_cookie.data = nl_attr_get(act_cookie); | |
1713 | flower->act_cookie.len = nl_attr_get_size(act_cookie); | |
1714 | } | |
1715 | ||
1716 | act_stats = action_attrs[TCA_ACT_STATS]; | |
1717 | ||
1718 | if (!nl_parse_nested(act_stats, stats_policy, stats_attrs, | |
1719 | ARRAY_SIZE(stats_policy))) { | |
1720 | VLOG_ERR_RL(&error_rl, "failed to parse action stats policy"); | |
1721 | return EPROTO; | |
1722 | } | |
1723 | ||
1724 | bs = nl_attr_get_unspec(stats_attrs[TCA_STATS_BASIC], sizeof *bs); | |
0fc38297 | 1725 | if (bs->packets) { |
1726 | put_32aligned_u64(&stats->n_packets, bs->packets); | |
1727 | put_32aligned_u64(&stats->n_bytes, bs->bytes); | |
1728 | } | |
f98e418f RD |
1729 | |
1730 | return 0; | |
1731 | } | |
1732 | ||
1733 | #define TCA_ACT_MIN_PRIO 1 | |
1734 | ||
1735 | static int | |
5db012c4 VB |
1736 | nl_parse_flower_actions(struct nlattr **attrs, struct tc_flower *flower, |
1737 | bool terse) | |
f98e418f RD |
1738 | { |
1739 | const struct nlattr *actions = attrs[TCA_FLOWER_ACT]; | |
d0fbb09f | 1740 | static struct nl_policy actions_orders_policy[TCA_ACT_MAX_NUM + 1] = {}; |
f98e418f RD |
1741 | struct nlattr *actions_orders[ARRAY_SIZE(actions_orders_policy)]; |
1742 | const int max_size = ARRAY_SIZE(actions_orders_policy); | |
1743 | ||
1744 | for (int i = TCA_ACT_MIN_PRIO; i < max_size; i++) { | |
1745 | actions_orders_policy[i].type = NL_A_NESTED; | |
1746 | actions_orders_policy[i].optional = true; | |
1747 | } | |
1748 | ||
1749 | if (!nl_parse_nested(actions, actions_orders_policy, actions_orders, | |
1750 | ARRAY_SIZE(actions_orders_policy))) { | |
1751 | VLOG_ERR_RL(&error_rl, "failed to parse flower order of actions"); | |
1752 | return EPROTO; | |
1753 | } | |
1754 | ||
1755 | for (int i = TCA_ACT_MIN_PRIO; i < max_size; i++) { | |
1756 | if (actions_orders[i]) { | |
0c70132c CM |
1757 | int err; |
1758 | ||
d0fbb09f CM |
1759 | if (flower->action_count >= TCA_ACT_MAX_NUM) { |
1760 | VLOG_DBG_RL(&error_rl, "Can only support %d actions", TCA_ACT_MAX_NUM); | |
0c70132c CM |
1761 | return EOPNOTSUPP; |
1762 | } | |
5db012c4 | 1763 | err = nl_parse_single_action(actions_orders[i], flower, terse); |
f98e418f RD |
1764 | |
1765 | if (err) { | |
1766 | return err; | |
1767 | } | |
1768 | } | |
1769 | } | |
1770 | ||
d6118e62 PB |
1771 | if (flower->csum_update_flags) { |
1772 | VLOG_WARN_RL(&error_rl, | |
1773 | "expected act csum with flags: 0x%x", | |
1774 | flower->csum_update_flags); | |
1775 | return EINVAL; | |
1776 | } | |
1777 | ||
f98e418f RD |
1778 | return 0; |
1779 | } | |
1780 | ||
1781 | static int | |
5db012c4 VB |
1782 | nl_parse_flower_options(struct nlattr *nl_options, struct tc_flower *flower, |
1783 | bool terse) | |
f98e418f RD |
1784 | { |
1785 | struct nlattr *attrs[ARRAY_SIZE(tca_flower_policy)]; | |
a468645c | 1786 | int err; |
f98e418f | 1787 | |
5db012c4 VB |
1788 | if (terse) { |
1789 | if (!nl_parse_nested(nl_options, tca_flower_terse_policy, | |
1790 | attrs, ARRAY_SIZE(tca_flower_terse_policy))) { | |
1791 | VLOG_ERR_RL(&error_rl, "failed to parse flower classifier terse options"); | |
1792 | return EPROTO; | |
1793 | } | |
1794 | goto skip_flower_opts; | |
1795 | } | |
1796 | ||
f98e418f RD |
1797 | if (!nl_parse_nested(nl_options, tca_flower_policy, |
1798 | attrs, ARRAY_SIZE(tca_flower_policy))) { | |
1799 | VLOG_ERR_RL(&error_rl, "failed to parse flower classifier options"); | |
1800 | return EPROTO; | |
1801 | } | |
1802 | ||
1803 | nl_parse_flower_eth(attrs, flower); | |
a3db6e47 | 1804 | nl_parse_flower_arp(attrs, flower); |
34b16955 | 1805 | nl_parse_flower_mpls(attrs, flower); |
f98e418f RD |
1806 | nl_parse_flower_vlan(attrs, flower); |
1807 | nl_parse_flower_ip(attrs, flower); | |
a468645c PJV |
1808 | err = nl_parse_flower_tunnel(attrs, flower); |
1809 | if (err) { | |
1810 | return err; | |
1811 | } | |
1812 | ||
5db012c4 | 1813 | skip_flower_opts: |
d63ca532 | 1814 | nl_parse_flower_flags(attrs, flower); |
5db012c4 | 1815 | return nl_parse_flower_actions(attrs, flower, terse); |
f98e418f RD |
1816 | } |
1817 | ||
1818 | int | |
acdd544c | 1819 | parse_netlink_to_tc_flower(struct ofpbuf *reply, struct tcf_id *id, |
5db012c4 | 1820 | struct tc_flower *flower, bool terse) |
f98e418f RD |
1821 | { |
1822 | struct tcmsg *tc; | |
1823 | struct nlattr *ta[ARRAY_SIZE(tca_policy)]; | |
1824 | const char *kind; | |
1825 | ||
1826 | if (NLMSG_HDRLEN + sizeof *tc > reply->size) { | |
1827 | return EPROTO; | |
1828 | } | |
1829 | ||
1830 | memset(flower, 0, sizeof *flower); | |
1831 | ||
1832 | tc = ofpbuf_at_assert(reply, NLMSG_HDRLEN, sizeof *tc); | |
acdd544c | 1833 | |
f98e418f RD |
1834 | flower->key.eth_type = (OVS_FORCE ovs_be16) tc_get_minor(tc->tcm_info); |
1835 | flower->mask.eth_type = OVS_BE16_MAX; | |
acdd544c PB |
1836 | id->prio = tc_get_major(tc->tcm_info); |
1837 | id->handle = tc->tcm_handle; | |
f98e418f | 1838 | |
acdd544c | 1839 | if (id->prio == TC_RESERVED_PRIORITY_POLICE) { |
e7f6ba22 PJV |
1840 | return 0; |
1841 | } | |
1842 | ||
acdd544c | 1843 | if (!id->handle) { |
f98e418f RD |
1844 | return EAGAIN; |
1845 | } | |
1846 | ||
1847 | if (!nl_policy_parse(reply, NLMSG_HDRLEN + sizeof *tc, | |
1848 | tca_policy, ta, ARRAY_SIZE(ta))) { | |
1849 | VLOG_ERR_RL(&error_rl, "failed to parse tca policy"); | |
1850 | return EPROTO; | |
1851 | } | |
1852 | ||
b2ae4069 PB |
1853 | if (ta[TCA_CHAIN]) { |
1854 | id->chain = nl_attr_get_u32(ta[TCA_CHAIN]); | |
1855 | } | |
1856 | ||
f98e418f RD |
1857 | kind = nl_attr_get_string(ta[TCA_KIND]); |
1858 | if (strcmp(kind, "flower")) { | |
763e120d | 1859 | VLOG_DBG_ONCE("Unsupported filter: %s", kind); |
f98e418f RD |
1860 | return EPROTO; |
1861 | } | |
1862 | ||
5db012c4 | 1863 | return nl_parse_flower_options(ta[TCA_OPTIONS], flower, terse); |
f98e418f RD |
1864 | } |
1865 | ||
1866 | int | |
5db012c4 | 1867 | tc_dump_flower_start(struct tcf_id *id, struct nl_dump *dump, bool terse) |
f98e418f RD |
1868 | { |
1869 | struct ofpbuf request; | |
f98e418f | 1870 | |
acdd544c | 1871 | request_from_tcf_id(id, 0, RTM_GETTFILTER, NLM_F_DUMP, &request); |
5db012c4 VB |
1872 | if (terse) { |
1873 | struct nla_bitfield32 dump_flags = { TCA_DUMP_FLAGS_TERSE, | |
1874 | TCA_DUMP_FLAGS_TERSE }; | |
1875 | ||
1876 | nl_msg_put_unspec(&request, TCA_DUMP_FLAGS, &dump_flags, | |
1877 | sizeof dump_flags); | |
1878 | } | |
f98e418f RD |
1879 | nl_dump_start(dump, NETLINK_ROUTE, &request); |
1880 | ofpbuf_uninit(&request); | |
1881 | ||
1882 | return 0; | |
1883 | } | |
1884 | ||
1885 | int | |
acdd544c | 1886 | tc_del_filter(struct tcf_id *id) |
f98e418f RD |
1887 | { |
1888 | struct ofpbuf request; | |
f98e418f | 1889 | |
acdd544c | 1890 | request_from_tcf_id(id, 0, RTM_DELTFILTER, NLM_F_ACK, &request); |
f98e418f RD |
1891 | return tc_transact(&request, NULL); |
1892 | } | |
1893 | ||
1894 | int | |
acdd544c | 1895 | tc_get_flower(struct tcf_id *id, struct tc_flower *flower) |
f98e418f RD |
1896 | { |
1897 | struct ofpbuf request; | |
f98e418f RD |
1898 | struct ofpbuf *reply; |
1899 | int error; | |
f98e418f | 1900 | |
acdd544c | 1901 | request_from_tcf_id(id, 0, RTM_GETTFILTER, NLM_F_ECHO, &request); |
f98e418f RD |
1902 | error = tc_transact(&request, &reply); |
1903 | if (error) { | |
1904 | return error; | |
1905 | } | |
1906 | ||
5db012c4 | 1907 | error = parse_netlink_to_tc_flower(reply, id, flower, false); |
f98e418f RD |
1908 | ofpbuf_delete(reply); |
1909 | return error; | |
1910 | } | |
1911 | ||
691d20cb PB |
1912 | static int |
1913 | tc_get_tc_cls_policy(enum tc_offload_policy policy) | |
1914 | { | |
1915 | if (policy == TC_POLICY_SKIP_HW) { | |
1916 | return TCA_CLS_FLAGS_SKIP_HW; | |
1917 | } else if (policy == TC_POLICY_SKIP_SW) { | |
1918 | return TCA_CLS_FLAGS_SKIP_SW; | |
1919 | } | |
1920 | ||
1921 | return 0; | |
1922 | } | |
1923 | ||
8ada482b PB |
1924 | static void |
1925 | nl_msg_put_act_csum(struct ofpbuf *request, uint32_t flags) | |
1926 | { | |
1927 | size_t offset; | |
1928 | ||
1929 | nl_msg_put_string(request, TCA_ACT_KIND, "csum"); | |
1930 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS); | |
1931 | { | |
1932 | struct tc_csum parm = { .action = TC_ACT_PIPE, | |
1933 | .update_flags = flags }; | |
1934 | ||
1935 | nl_msg_put_unspec(request, TCA_CSUM_PARMS, &parm, sizeof parm); | |
1936 | } | |
1937 | nl_msg_end_nested(request, offset); | |
1938 | } | |
1939 | ||
1940 | static void | |
1941 | nl_msg_put_act_pedit(struct ofpbuf *request, struct tc_pedit *parm, | |
1942 | struct tc_pedit_key_ex *ex) | |
1943 | { | |
e13bbbab | 1944 | size_t ksize = sizeof *parm + parm->nkeys * sizeof(struct tc_pedit_key); |
8ada482b PB |
1945 | size_t offset, offset_keys_ex, offset_key; |
1946 | int i; | |
1947 | ||
1948 | nl_msg_put_string(request, TCA_ACT_KIND, "pedit"); | |
1949 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS); | |
1950 | { | |
1951 | parm->action = TC_ACT_PIPE; | |
1952 | ||
1953 | nl_msg_put_unspec(request, TCA_PEDIT_PARMS_EX, parm, ksize); | |
1954 | offset_keys_ex = nl_msg_start_nested(request, TCA_PEDIT_KEYS_EX); | |
1955 | for (i = 0; i < parm->nkeys; i++, ex++) { | |
1956 | offset_key = nl_msg_start_nested(request, TCA_PEDIT_KEY_EX); | |
1957 | nl_msg_put_u16(request, TCA_PEDIT_KEY_EX_HTYPE, ex->htype); | |
1958 | nl_msg_put_u16(request, TCA_PEDIT_KEY_EX_CMD, ex->cmd); | |
1959 | nl_msg_end_nested(request, offset_key); | |
1960 | } | |
1961 | nl_msg_end_nested(request, offset_keys_ex); | |
1962 | } | |
1963 | nl_msg_end_nested(request, offset); | |
1964 | } | |
1965 | ||
f98e418f | 1966 | static void |
10097f3f | 1967 | nl_msg_put_act_push_vlan(struct ofpbuf *request, ovs_be16 tpid, |
61e8655c | 1968 | uint16_t vid, uint8_t prio) |
f98e418f RD |
1969 | { |
1970 | size_t offset; | |
1971 | ||
1972 | nl_msg_put_string(request, TCA_ACT_KIND, "vlan"); | |
1973 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS); | |
1974 | { | |
1975 | struct tc_vlan parm = { .action = TC_ACT_PIPE, | |
1976 | .v_action = TCA_VLAN_ACT_PUSH }; | |
1977 | ||
1978 | nl_msg_put_unspec(request, TCA_VLAN_PARMS, &parm, sizeof parm); | |
10097f3f | 1979 | nl_msg_put_be16(request, TCA_VLAN_PUSH_VLAN_PROTOCOL, tpid); |
f98e418f RD |
1980 | nl_msg_put_u16(request, TCA_VLAN_PUSH_VLAN_ID, vid); |
1981 | nl_msg_put_u8(request, TCA_VLAN_PUSH_VLAN_PRIORITY, prio); | |
1982 | } | |
1983 | nl_msg_end_nested(request, offset); | |
1984 | } | |
1985 | ||
1986 | static void | |
1987 | nl_msg_put_act_pop_vlan(struct ofpbuf *request) | |
1988 | { | |
1989 | size_t offset; | |
1990 | ||
1991 | nl_msg_put_string(request, TCA_ACT_KIND, "vlan"); | |
1992 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS); | |
1993 | { | |
1994 | struct tc_vlan parm = { .action = TC_ACT_PIPE, | |
1995 | .v_action = TCA_VLAN_ACT_POP }; | |
1996 | ||
1997 | nl_msg_put_unspec(request, TCA_VLAN_PARMS, &parm, sizeof parm); | |
1998 | } | |
1999 | nl_msg_end_nested(request, offset); | |
2000 | } | |
2001 | ||
55412eac JH |
2002 | static void |
2003 | nl_msg_put_act_pop_mpls(struct ofpbuf *request, ovs_be16 proto) | |
2004 | { | |
2005 | size_t offset; | |
2006 | ||
2007 | nl_msg_put_string(request, TCA_ACT_KIND, "mpls"); | |
2008 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS | NLA_F_NESTED); | |
2009 | { | |
2010 | struct tc_mpls parm = { .action = TC_ACT_PIPE, | |
2011 | .m_action = TCA_MPLS_ACT_POP }; | |
2012 | ||
2013 | nl_msg_put_unspec(request, TCA_MPLS_PARMS, &parm, sizeof parm); | |
2014 | nl_msg_put_be16(request, TCA_MPLS_PROTO, proto); | |
2015 | } | |
2016 | nl_msg_end_nested(request, offset); | |
2017 | } | |
2018 | ||
283dcf85 JH |
2019 | static void |
2020 | nl_msg_put_act_push_mpls(struct ofpbuf *request, ovs_be16 proto, | |
2021 | uint32_t label, uint8_t tc, uint8_t ttl, uint8_t bos) | |
2022 | { | |
2023 | size_t offset; | |
2024 | ||
2025 | nl_msg_put_string(request, TCA_ACT_KIND, "mpls"); | |
2026 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS | NLA_F_NESTED); | |
2027 | { | |
2028 | struct tc_mpls parm = { .action = TC_ACT_PIPE, | |
2029 | .m_action = TCA_MPLS_ACT_PUSH }; | |
2030 | ||
2031 | nl_msg_put_unspec(request, TCA_MPLS_PARMS, &parm, sizeof parm); | |
2032 | nl_msg_put_be16(request, TCA_MPLS_PROTO, proto); | |
2033 | nl_msg_put_u32(request, TCA_MPLS_LABEL, label); | |
2034 | nl_msg_put_u8(request, TCA_MPLS_TC, tc); | |
2035 | nl_msg_put_u8(request, TCA_MPLS_TTL, ttl); | |
2036 | nl_msg_put_u8(request, TCA_MPLS_BOS, bos); | |
2037 | } | |
2038 | nl_msg_end_nested(request, offset); | |
2039 | } | |
2040 | ||
a8f005cf JH |
2041 | static void |
2042 | nl_msg_put_act_set_mpls(struct ofpbuf *request, uint32_t label, uint8_t tc, | |
2043 | uint8_t ttl, uint8_t bos) | |
2044 | { | |
2045 | size_t offset; | |
2046 | ||
2047 | nl_msg_put_string(request, TCA_ACT_KIND, "mpls"); | |
2048 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS | NLA_F_NESTED); | |
2049 | { | |
2050 | struct tc_mpls parm = { .action = TC_ACT_PIPE, | |
2051 | .m_action = TCA_MPLS_ACT_MODIFY }; | |
2052 | ||
2053 | nl_msg_put_unspec(request, TCA_MPLS_PARMS, &parm, sizeof parm); | |
2054 | nl_msg_put_u32(request, TCA_MPLS_LABEL, label); | |
2055 | nl_msg_put_u8(request, TCA_MPLS_TC, tc); | |
2056 | nl_msg_put_u8(request, TCA_MPLS_TTL, ttl); | |
2057 | nl_msg_put_u8(request, TCA_MPLS_BOS, bos); | |
2058 | } | |
2059 | nl_msg_end_nested(request, offset); | |
2060 | } | |
2061 | ||
f98e418f RD |
2062 | static void |
2063 | nl_msg_put_act_tunnel_key_release(struct ofpbuf *request) | |
2064 | { | |
2065 | size_t offset; | |
2066 | ||
2067 | nl_msg_put_string(request, TCA_ACT_KIND, "tunnel_key"); | |
2068 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS); | |
2069 | { | |
2070 | struct tc_tunnel_key tun = { .action = TC_ACT_PIPE, | |
2071 | .t_action = TCA_TUNNEL_KEY_ACT_RELEASE }; | |
2072 | ||
2073 | nl_msg_put_unspec(request, TCA_TUNNEL_KEY_PARMS, &tun, sizeof tun); | |
2074 | } | |
2075 | nl_msg_end_nested(request, offset); | |
2076 | } | |
2077 | ||
202469aa PJV |
2078 | static void |
2079 | nl_msg_put_act_tunnel_geneve_option(struct ofpbuf *request, | |
2080 | struct tun_metadata tun_metadata) | |
2081 | { | |
2082 | const struct geneve_opt *opt; | |
2083 | size_t outer, inner; | |
2084 | int len, cnt = 0; | |
2085 | ||
2086 | len = tun_metadata.present.len; | |
2087 | if (!len) { | |
2088 | return; | |
2089 | } | |
2090 | ||
2091 | outer = nl_msg_start_nested(request, TCA_TUNNEL_KEY_ENC_OPTS); | |
2092 | ||
2093 | while (len) { | |
2094 | opt = &tun_metadata.opts.gnv[cnt]; | |
2095 | inner = nl_msg_start_nested(request, TCA_TUNNEL_KEY_ENC_OPTS_GENEVE); | |
2096 | ||
2097 | nl_msg_put_be16(request, TCA_TUNNEL_KEY_ENC_OPT_GENEVE_CLASS, | |
2098 | opt->opt_class); | |
2099 | nl_msg_put_u8(request, TCA_TUNNEL_KEY_ENC_OPT_GENEVE_TYPE, opt->type); | |
2100 | nl_msg_put_unspec(request, TCA_TUNNEL_KEY_ENC_OPT_GENEVE_DATA, opt + 1, | |
2101 | opt->length * 4); | |
2102 | ||
2103 | cnt += sizeof(struct geneve_opt) / 4 + opt->length; | |
2104 | len -= sizeof(struct geneve_opt) + opt->length * 4; | |
2105 | ||
2106 | nl_msg_end_nested(request, inner); | |
2107 | } | |
2108 | ||
2109 | nl_msg_end_nested(request, outer); | |
2110 | } | |
2111 | ||
f98e418f | 2112 | static void |
0227bf09 AN |
2113 | nl_msg_put_act_tunnel_key_set(struct ofpbuf *request, bool id_present, |
2114 | ovs_be64 id, ovs_be32 ipv4_src, | |
2115 | ovs_be32 ipv4_dst, struct in6_addr *ipv6_src, | |
202469aa PJV |
2116 | struct in6_addr *ipv6_dst, |
2117 | ovs_be16 tp_dst, uint8_t tos, uint8_t ttl, | |
d9677a1f EB |
2118 | struct tun_metadata tun_metadata, |
2119 | uint8_t no_csum) | |
f98e418f RD |
2120 | { |
2121 | size_t offset; | |
2122 | ||
2123 | nl_msg_put_string(request, TCA_ACT_KIND, "tunnel_key"); | |
2124 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS); | |
2125 | { | |
2126 | struct tc_tunnel_key tun = { .action = TC_ACT_PIPE, | |
2127 | .t_action = TCA_TUNNEL_KEY_ACT_SET }; | |
2128 | ||
2129 | nl_msg_put_unspec(request, TCA_TUNNEL_KEY_PARMS, &tun, sizeof tun); | |
2130 | ||
2131 | ovs_be32 id32 = be64_to_be32(id); | |
0227bf09 AN |
2132 | if (id_present) { |
2133 | nl_msg_put_be32(request, TCA_TUNNEL_KEY_ENC_KEY_ID, id32); | |
2134 | } | |
f98e418f RD |
2135 | if (ipv4_dst) { |
2136 | nl_msg_put_be32(request, TCA_TUNNEL_KEY_ENC_IPV4_SRC, ipv4_src); | |
2137 | nl_msg_put_be32(request, TCA_TUNNEL_KEY_ENC_IPV4_DST, ipv4_dst); | |
4f4be08e | 2138 | } else if (ipv6_addr_is_set(ipv6_dst)) { |
f98e418f RD |
2139 | nl_msg_put_in6_addr(request, TCA_TUNNEL_KEY_ENC_IPV6_DST, |
2140 | ipv6_dst); | |
2141 | nl_msg_put_in6_addr(request, TCA_TUNNEL_KEY_ENC_IPV6_SRC, | |
2142 | ipv6_src); | |
2143 | } | |
4b12e454 OG |
2144 | if (tos) { |
2145 | nl_msg_put_u8(request, TCA_TUNNEL_KEY_ENC_TOS, tos); | |
2146 | } | |
2147 | if (ttl) { | |
2148 | nl_msg_put_u8(request, TCA_TUNNEL_KEY_ENC_TTL, ttl); | |
2149 | } | |
e48f49e0 EB |
2150 | if (tp_dst) { |
2151 | nl_msg_put_be16(request, TCA_TUNNEL_KEY_ENC_DST_PORT, tp_dst); | |
2152 | } | |
202469aa | 2153 | nl_msg_put_act_tunnel_geneve_option(request, tun_metadata); |
d9677a1f | 2154 | nl_msg_put_u8(request, TCA_TUNNEL_KEY_NO_CSUM, no_csum); |
f98e418f RD |
2155 | } |
2156 | nl_msg_end_nested(request, offset); | |
2157 | } | |
2158 | ||
2159 | static void | |
b2ae4069 | 2160 | nl_msg_put_act_gact(struct ofpbuf *request, uint32_t chain) |
f98e418f RD |
2161 | { |
2162 | size_t offset; | |
2163 | ||
2164 | nl_msg_put_string(request, TCA_ACT_KIND, "gact"); | |
2165 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS); | |
2166 | { | |
2167 | struct tc_gact p = { .action = TC_ACT_SHOT }; | |
2168 | ||
b2ae4069 PB |
2169 | if (chain) { |
2170 | p.action = TC_ACT_GOTO_CHAIN | chain; | |
2171 | } | |
2172 | ||
f98e418f RD |
2173 | nl_msg_put_unspec(request, TCA_GACT_PARMS, &p, sizeof p); |
2174 | } | |
2175 | nl_msg_end_nested(request, offset); | |
2176 | } | |
2177 | ||
576126a9 PB |
2178 | static void |
2179 | nl_msg_put_act_ct(struct ofpbuf *request, struct tc_action *action) | |
2180 | { | |
2181 | uint16_t ct_action = 0; | |
2182 | size_t offset; | |
2183 | ||
2184 | nl_msg_put_string(request, TCA_ACT_KIND, "ct"); | |
2185 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS | NLA_F_NESTED); | |
2186 | { | |
2187 | struct tc_ct ct = { | |
2188 | .action = TC_ACT_PIPE, | |
2189 | }; | |
2190 | ||
2191 | if (!action->ct.clear) { | |
2192 | if (action->ct.zone) { | |
2193 | nl_msg_put_u16(request, TCA_CT_ZONE, action->ct.zone); | |
2194 | } | |
2195 | ||
9221c721 PB |
2196 | if (!is_all_zeros(&action->ct.label_mask, |
2197 | sizeof action->ct.label_mask)) { | |
2198 | nl_msg_put_u128(request, TCA_CT_LABELS, | |
2199 | action->ct.label); | |
2200 | nl_msg_put_u128(request, TCA_CT_LABELS_MASK, | |
2201 | action->ct.label_mask); | |
2202 | } | |
2203 | ||
2204 | if (action->ct.mark_mask) { | |
2205 | nl_msg_put_u32(request, TCA_CT_MARK, | |
2206 | action->ct.mark); | |
2207 | nl_msg_put_u32(request, TCA_CT_MARK_MASK, | |
2208 | action->ct.mark_mask); | |
2209 | } | |
2210 | ||
576126a9 PB |
2211 | if (action->ct.commit) { |
2212 | ct_action = TCA_CT_ACT_COMMIT; | |
2213 | if (action->ct.force) { | |
2214 | ct_action |= TCA_CT_ACT_FORCE; | |
2215 | } | |
2216 | } | |
2bf6ffb7 PB |
2217 | |
2218 | if (action->ct.nat_type) { | |
2219 | ct_action |= TCA_CT_ACT_NAT; | |
2220 | ||
2221 | if (action->ct.nat_type == TC_NAT_SRC) { | |
2222 | ct_action |= TCA_CT_ACT_NAT_SRC; | |
2223 | } else if (action->ct.nat_type == TC_NAT_DST) { | |
2224 | ct_action |= TCA_CT_ACT_NAT_DST; | |
2225 | } | |
2226 | ||
2227 | if (action->ct.range.ip_family == AF_INET) { | |
2228 | nl_msg_put_be32(request, TCA_CT_NAT_IPV4_MIN, | |
2229 | action->ct.range.ipv4.min); | |
2230 | if (action->ct.range.ipv4.max) { | |
2231 | nl_msg_put_be32(request, TCA_CT_NAT_IPV4_MAX, | |
2232 | action->ct.range.ipv4.max); | |
2233 | } | |
2234 | } else if (action->ct.range.ip_family == AF_INET6) { | |
2bf6ffb7 PB |
2235 | |
2236 | nl_msg_put_in6_addr(request, TCA_CT_NAT_IPV6_MIN, | |
2237 | &action->ct.range.ipv6.min); | |
4f4be08e | 2238 | if (ipv6_addr_is_set(&action->ct.range.ipv6.max)) { |
2bf6ffb7 PB |
2239 | nl_msg_put_in6_addr(request, TCA_CT_NAT_IPV6_MAX, |
2240 | &action->ct.range.ipv6.max); | |
2241 | } | |
2242 | } | |
2243 | ||
2244 | if (action->ct.range.port.min) { | |
2245 | nl_msg_put_be16(request, TCA_CT_NAT_PORT_MIN, | |
2246 | action->ct.range.port.min); | |
2247 | if (action->ct.range.port.max) { | |
2248 | nl_msg_put_be16(request, TCA_CT_NAT_PORT_MAX, | |
2249 | action->ct.range.port.max); | |
2250 | } | |
2251 | } | |
2252 | } | |
576126a9 PB |
2253 | } else { |
2254 | ct_action = TCA_CT_ACT_CLEAR; | |
2255 | } | |
2256 | ||
2257 | nl_msg_put_u16(request, TCA_CT_ACTION, ct_action); | |
2258 | nl_msg_put_unspec(request, TCA_CT_PARMS, &ct, sizeof ct); | |
2259 | } | |
2260 | nl_msg_end_nested(request, offset); | |
2261 | } | |
2262 | ||
4aa2dc04 JH |
2263 | static void |
2264 | nl_msg_put_act_skbedit_to_host(struct ofpbuf *request) | |
2265 | { | |
2266 | size_t offset; | |
2267 | ||
2268 | nl_msg_put_string(request, TCA_ACT_KIND, "skbedit"); | |
2269 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS); | |
2270 | { | |
2271 | struct tc_skbedit s = { .action = TC_ACT_PIPE }; | |
2272 | ||
2273 | nl_msg_put_unspec(request, TCA_SKBEDIT_PARMS, &s, sizeof s); | |
2274 | nl_msg_put_be16(request, TCA_SKBEDIT_PTYPE, PACKET_HOST); | |
2275 | } | |
2276 | nl_msg_end_nested(request, offset); | |
2277 | } | |
2278 | ||
f98e418f | 2279 | static void |
00a0a011 CM |
2280 | nl_msg_put_act_mirred(struct ofpbuf *request, int ifindex, int action, |
2281 | int eaction) | |
f98e418f RD |
2282 | { |
2283 | size_t offset; | |
2284 | ||
2285 | nl_msg_put_string(request, TCA_ACT_KIND, "mirred"); | |
2286 | offset = nl_msg_start_nested(request, TCA_ACT_OPTIONS); | |
2287 | { | |
00a0a011 CM |
2288 | struct tc_mirred m = { .action = action, |
2289 | .eaction = eaction, | |
f98e418f RD |
2290 | .ifindex = ifindex }; |
2291 | ||
2292 | nl_msg_put_unspec(request, TCA_MIRRED_PARMS, &m, sizeof m); | |
2293 | } | |
2294 | nl_msg_end_nested(request, offset); | |
2295 | } | |
2296 | ||
2297 | static inline void | |
2298 | nl_msg_put_act_cookie(struct ofpbuf *request, struct tc_cookie *ck) { | |
2299 | if (ck->len) { | |
2300 | nl_msg_put_unspec(request, TCA_ACT_COOKIE, ck->data, ck->len); | |
2301 | } | |
2302 | } | |
2303 | ||
292d5bd9 VB |
2304 | static inline void |
2305 | nl_msg_put_act_flags(struct ofpbuf *request) { | |
2306 | struct nla_bitfield32 act_flags = { TCA_ACT_FLAGS_NO_PERCPU_STATS, | |
2307 | TCA_ACT_FLAGS_NO_PERCPU_STATS }; | |
2308 | ||
2309 | nl_msg_put_unspec(request, TCA_ACT_FLAGS, &act_flags, sizeof act_flags); | |
2310 | } | |
2311 | ||
8ada482b PB |
2312 | /* Given flower, a key_to_pedit map entry, calculates the rest, |
2313 | * where: | |
2314 | * | |
2315 | * mask, data - pointers of where read the first word of flower->key/mask. | |
2316 | * current_offset - which offset to use for the first pedit action. | |
2317 | * cnt - max pedits actions to use. | |
2318 | * first_word_mask/last_word_mask - the mask to use for the first/last read | |
2319 | * (as we read entire words). */ | |
f98e418f | 2320 | static void |
8ada482b | 2321 | calc_offsets(struct tc_flower *flower, struct flower_key_to_pedit *m, |
f8b63e59 PJV |
2322 | int *cur_offset, int *cnt, ovs_be32 *last_word_mask, |
2323 | ovs_be32 *first_word_mask, ovs_be32 **mask, ovs_be32 **data) | |
8ada482b PB |
2324 | { |
2325 | int start_offset, max_offset, total_size; | |
2326 | int diff, right_zero_bits, left_zero_bits; | |
2327 | char *rewrite_key = (void *) &flower->rewrite.key; | |
2328 | char *rewrite_mask = (void *) &flower->rewrite.mask; | |
2329 | ||
2330 | max_offset = m->offset + m->size; | |
2331 | start_offset = ROUND_DOWN(m->offset, 4); | |
2332 | diff = m->offset - start_offset; | |
2333 | total_size = max_offset - start_offset; | |
0d9f0cd4 | 2334 | right_zero_bits = 8 * (4 - ((max_offset % 4) ? : 4)); |
8ada482b PB |
2335 | left_zero_bits = 8 * (m->offset - start_offset); |
2336 | ||
2337 | *cur_offset = start_offset; | |
2338 | *cnt = (total_size / 4) + (total_size % 4 ? 1 : 0); | |
f8b63e59 PJV |
2339 | *last_word_mask = htonl(UINT32_MAX << right_zero_bits); |
2340 | *first_word_mask = htonl(UINT32_MAX >> left_zero_bits); | |
8ada482b PB |
2341 | *data = (void *) (rewrite_key + m->flower_offset - diff); |
2342 | *mask = (void *) (rewrite_mask + m->flower_offset - diff); | |
2343 | } | |
2344 | ||
d6118e62 | 2345 | static inline int |
8ada482b PB |
2346 | csum_update_flag(struct tc_flower *flower, |
2347 | enum pedit_header_type htype) { | |
d6118e62 PB |
2348 | /* Explictily specifiy the csum flags so HW can return EOPNOTSUPP |
2349 | * if it doesn't support a checksum recalculation of some headers. | |
2350 | * And since OVS allows a flow such as | |
2351 | * eth(dst=<mac>),eth_type(0x0800) actions=set(ipv4(src=<new_ip>)) | |
2352 | * we need to force a more specific flow as this can, for example, | |
2353 | * need a recalculation of icmp checksum if the packet that passes | |
d5ac6458 | 2354 | * is ICMPv6 and tcp checksum if its tcp. */ |
d6118e62 PB |
2355 | |
2356 | switch (htype) { | |
2357 | case TCA_PEDIT_KEY_EX_HDR_TYPE_IP4: | |
8ada482b | 2358 | flower->csum_update_flags |= TCA_CSUM_UPDATE_FLAG_IPV4HDR; |
eeb0ca88 | 2359 | /* Fall through. */ |
d6118e62 PB |
2360 | case TCA_PEDIT_KEY_EX_HDR_TYPE_IP6: |
2361 | case TCA_PEDIT_KEY_EX_HDR_TYPE_TCP: | |
2362 | case TCA_PEDIT_KEY_EX_HDR_TYPE_UDP: | |
8ada482b | 2363 | if (flower->key.ip_proto == IPPROTO_TCP) { |
d6118e62 | 2364 | flower->needs_full_ip_proto_mask = true; |
8ada482b PB |
2365 | flower->csum_update_flags |= TCA_CSUM_UPDATE_FLAG_TCP; |
2366 | } else if (flower->key.ip_proto == IPPROTO_UDP) { | |
d6118e62 | 2367 | flower->needs_full_ip_proto_mask = true; |
8ada482b | 2368 | flower->csum_update_flags |= TCA_CSUM_UPDATE_FLAG_UDP; |
d5ac6458 JL |
2369 | } else if (flower->key.ip_proto == IPPROTO_ICMP) { |
2370 | flower->needs_full_ip_proto_mask = true; | |
2371 | } else if (flower->key.ip_proto == IPPROTO_ICMPV6) { | |
d6118e62 | 2372 | flower->needs_full_ip_proto_mask = true; |
8ada482b | 2373 | flower->csum_update_flags |= TCA_CSUM_UPDATE_FLAG_ICMP; |
d6118e62 PB |
2374 | } else { |
2375 | VLOG_WARN_RL(&error_rl, | |
2376 | "can't offload rewrite of IP/IPV6 with ip_proto: %d", | |
2377 | flower->key.ip_proto); | |
2378 | break; | |
8ada482b | 2379 | } |
eeb0ca88 | 2380 | /* Fall through. */ |
d6118e62 PB |
2381 | case TCA_PEDIT_KEY_EX_HDR_TYPE_ETH: |
2382 | return 0; /* success */ | |
2383 | ||
2384 | case TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK: | |
2385 | case __PEDIT_HDR_TYPE_MAX: | |
2386 | default: | |
2387 | break; | |
8ada482b | 2388 | } |
d6118e62 PB |
2389 | |
2390 | return EOPNOTSUPP; | |
8ada482b PB |
2391 | } |
2392 | ||
2393 | static int | |
2394 | nl_msg_put_flower_rewrite_pedits(struct ofpbuf *request, | |
2395 | struct tc_flower *flower) | |
2396 | { | |
2397 | struct { | |
2398 | struct tc_pedit sel; | |
2399 | struct tc_pedit_key keys[MAX_PEDIT_OFFSETS]; | |
2400 | struct tc_pedit_key_ex keys_ex[MAX_PEDIT_OFFSETS]; | |
2401 | } sel = { | |
2402 | .sel = { | |
2403 | .nkeys = 0 | |
2404 | } | |
2405 | }; | |
d6118e62 | 2406 | int i, j, err; |
8ada482b PB |
2407 | |
2408 | for (i = 0; i < ARRAY_SIZE(flower_pedit_map); i++) { | |
2409 | struct flower_key_to_pedit *m = &flower_pedit_map[i]; | |
2410 | struct tc_pedit_key *pedit_key = NULL; | |
2411 | struct tc_pedit_key_ex *pedit_key_ex = NULL; | |
f8b63e59 | 2412 | ovs_be32 *mask, *data, first_word_mask, last_word_mask; |
8ada482b PB |
2413 | int cnt = 0, cur_offset = 0; |
2414 | ||
2415 | if (!m->size) { | |
2416 | continue; | |
2417 | } | |
2418 | ||
2419 | calc_offsets(flower, m, &cur_offset, &cnt, &last_word_mask, | |
2420 | &first_word_mask, &mask, &data); | |
2421 | ||
2422 | for (j = 0; j < cnt; j++, mask++, data++, cur_offset += 4) { | |
f8b63e59 | 2423 | ovs_be32 mask_word = *mask; |
dbcb014d | 2424 | ovs_be32 data_word = *data; |
8ada482b PB |
2425 | |
2426 | if (j == 0) { | |
2427 | mask_word &= first_word_mask; | |
2428 | } | |
2429 | if (j == cnt - 1) { | |
2430 | mask_word &= last_word_mask; | |
2431 | } | |
2432 | if (!mask_word) { | |
2433 | continue; | |
2434 | } | |
2435 | if (sel.sel.nkeys == MAX_PEDIT_OFFSETS) { | |
2436 | VLOG_WARN_RL(&error_rl, "reached too many pedit offsets: %d", | |
2437 | MAX_PEDIT_OFFSETS); | |
2438 | return EOPNOTSUPP; | |
2439 | } | |
2440 | ||
2441 | pedit_key = &sel.keys[sel.sel.nkeys]; | |
2442 | pedit_key_ex = &sel.keys_ex[sel.sel.nkeys]; | |
2443 | pedit_key_ex->cmd = TCA_PEDIT_KEY_EX_CMD_SET; | |
2444 | pedit_key_ex->htype = m->htype; | |
2445 | pedit_key->off = cur_offset; | |
dbcb014d PJV |
2446 | mask_word = htonl(ntohl(mask_word) >> m->boundary_shift); |
2447 | data_word = htonl(ntohl(data_word) >> m->boundary_shift); | |
8ada482b | 2448 | pedit_key->mask = ~mask_word; |
dbcb014d | 2449 | pedit_key->val = data_word & mask_word; |
8ada482b | 2450 | sel.sel.nkeys++; |
d6118e62 PB |
2451 | |
2452 | err = csum_update_flag(flower, m->htype); | |
2453 | if (err) { | |
2454 | return err; | |
2455 | } | |
2456 | ||
2457 | if (flower->needs_full_ip_proto_mask) { | |
2458 | flower->mask.ip_proto = UINT8_MAX; | |
2459 | } | |
8ada482b PB |
2460 | } |
2461 | } | |
2462 | nl_msg_put_act_pedit(request, &sel.sel, sel.keys_ex); | |
2463 | ||
2464 | return 0; | |
2465 | } | |
2466 | ||
2467 | static int | |
f98e418f RD |
2468 | nl_msg_put_flower_acts(struct ofpbuf *request, struct tc_flower *flower) |
2469 | { | |
7c53bd78 | 2470 | bool ingress, released = false; |
f98e418f RD |
2471 | size_t offset; |
2472 | size_t act_offset; | |
0c70132c CM |
2473 | uint16_t act_index = 1; |
2474 | struct tc_action *action; | |
2475 | int i, ifindex = 0; | |
f98e418f RD |
2476 | |
2477 | offset = nl_msg_start_nested(request, TCA_FLOWER_ACT); | |
2478 | { | |
8ada482b PB |
2479 | int error; |
2480 | ||
0c70132c CM |
2481 | action = flower->actions; |
2482 | for (i = 0; i < flower->action_count; i++, action++) { | |
2483 | switch (action->type) { | |
2484 | case TC_ACT_PEDIT: { | |
a7ce5b85 | 2485 | act_offset = nl_msg_start_nested(request, act_index++); |
0c70132c CM |
2486 | error = nl_msg_put_flower_rewrite_pedits(request, flower); |
2487 | if (error) { | |
2488 | return error; | |
2489 | } | |
a7ce5b85 | 2490 | nl_msg_end_nested(request, act_offset); |
0c70132c CM |
2491 | |
2492 | if (flower->csum_update_flags) { | |
2493 | act_offset = nl_msg_start_nested(request, act_index++); | |
2494 | nl_msg_put_act_csum(request, flower->csum_update_flags); | |
292d5bd9 | 2495 | nl_msg_put_act_flags(request); |
0c70132c CM |
2496 | nl_msg_end_nested(request, act_offset); |
2497 | } | |
2498 | } | |
2499 | break; | |
2500 | case TC_ACT_ENCAP: { | |
2501 | act_offset = nl_msg_start_nested(request, act_index++); | |
0227bf09 AN |
2502 | nl_msg_put_act_tunnel_key_set(request, action->encap.id_present, |
2503 | action->encap.id, | |
0c70132c CM |
2504 | action->encap.ipv4.ipv4_src, |
2505 | action->encap.ipv4.ipv4_dst, | |
2506 | &action->encap.ipv6.ipv6_src, | |
2507 | &action->encap.ipv6.ipv6_dst, | |
4b12e454 OG |
2508 | action->encap.tp_dst, |
2509 | action->encap.tos, | |
202469aa | 2510 | action->encap.ttl, |
d9677a1f EB |
2511 | action->encap.data, |
2512 | action->encap.no_csum); | |
292d5bd9 | 2513 | nl_msg_put_act_flags(request); |
0c70132c CM |
2514 | nl_msg_end_nested(request, act_offset); |
2515 | } | |
2516 | break; | |
2517 | case TC_ACT_VLAN_POP: { | |
2518 | act_offset = nl_msg_start_nested(request, act_index++); | |
2519 | nl_msg_put_act_pop_vlan(request); | |
292d5bd9 | 2520 | nl_msg_put_act_flags(request); |
0c70132c CM |
2521 | nl_msg_end_nested(request, act_offset); |
2522 | } | |
2523 | break; | |
2524 | case TC_ACT_VLAN_PUSH: { | |
2525 | act_offset = nl_msg_start_nested(request, act_index++); | |
2526 | nl_msg_put_act_push_vlan(request, | |
61e8655c | 2527 | action->vlan.vlan_push_tpid, |
0c70132c CM |
2528 | action->vlan.vlan_push_id, |
2529 | action->vlan.vlan_push_prio); | |
292d5bd9 | 2530 | nl_msg_put_act_flags(request); |
0c70132c CM |
2531 | nl_msg_end_nested(request, act_offset); |
2532 | } | |
2533 | break; | |
55412eac JH |
2534 | case TC_ACT_MPLS_POP: { |
2535 | act_offset = nl_msg_start_nested(request, act_index++); | |
2536 | nl_msg_put_act_pop_mpls(request, action->mpls.proto); | |
2537 | nl_msg_end_nested(request, act_offset); | |
2538 | } | |
2539 | break; | |
283dcf85 JH |
2540 | case TC_ACT_MPLS_PUSH: { |
2541 | act_offset = nl_msg_start_nested(request, act_index++); | |
2542 | nl_msg_put_act_push_mpls(request, action->mpls.proto, | |
2543 | action->mpls.label, action->mpls.tc, | |
2544 | action->mpls.ttl, action->mpls.bos); | |
2545 | nl_msg_end_nested(request, act_offset); | |
2546 | } | |
2547 | break; | |
a8f005cf JH |
2548 | case TC_ACT_MPLS_SET: { |
2549 | act_offset = nl_msg_start_nested(request, act_index++); | |
2550 | nl_msg_put_act_set_mpls(request, action->mpls.label, | |
2551 | action->mpls.tc, action->mpls.ttl, | |
2552 | action->mpls.bos); | |
2553 | nl_msg_end_nested(request, act_offset); | |
2554 | } | |
2555 | break; | |
0c70132c | 2556 | case TC_ACT_OUTPUT: { |
7c53bd78 PB |
2557 | if (!released && flower->tunnel) { |
2558 | act_offset = nl_msg_start_nested(request, act_index++); | |
2559 | nl_msg_put_act_tunnel_key_release(request); | |
2560 | nl_msg_end_nested(request, act_offset); | |
2561 | released = true; | |
2562 | } | |
2563 | ||
4aa2dc04 JH |
2564 | ingress = action->out.ingress; |
2565 | ifindex = action->out.ifindex_out; | |
0c70132c CM |
2566 | if (ifindex < 1) { |
2567 | VLOG_ERR_RL(&error_rl, "%s: invalid ifindex: %d, type: %d", | |
2568 | __func__, ifindex, action->type); | |
2569 | return EINVAL; | |
2570 | } | |
4aa2dc04 JH |
2571 | |
2572 | if (ingress) { | |
2573 | /* If redirecting to ingress (internal port) ensure | |
2574 | * pkt_type on skb is set to PACKET_HOST. */ | |
2575 | act_offset = nl_msg_start_nested(request, act_index++); | |
2576 | nl_msg_put_act_skbedit_to_host(request); | |
2577 | nl_msg_end_nested(request, act_offset); | |
2578 | } | |
2579 | ||
0c70132c | 2580 | act_offset = nl_msg_start_nested(request, act_index++); |
00a0a011 | 2581 | if (i == flower->action_count - 1) { |
4aa2dc04 JH |
2582 | if (ingress) { |
2583 | nl_msg_put_act_mirred(request, ifindex, TC_ACT_STOLEN, | |
2584 | TCA_INGRESS_REDIR); | |
2585 | } else { | |
2586 | nl_msg_put_act_mirred(request, ifindex, TC_ACT_STOLEN, | |
2587 | TCA_EGRESS_REDIR); | |
2588 | } | |
00a0a011 | 2589 | } else { |
4aa2dc04 JH |
2590 | if (ingress) { |
2591 | nl_msg_put_act_mirred(request, ifindex, TC_ACT_PIPE, | |
2592 | TCA_INGRESS_MIRROR); | |
2593 | } else { | |
2594 | nl_msg_put_act_mirred(request, ifindex, TC_ACT_PIPE, | |
2595 | TCA_EGRESS_MIRROR); | |
2596 | } | |
00a0a011 | 2597 | } |
0c70132c | 2598 | nl_msg_put_act_cookie(request, &flower->act_cookie); |
292d5bd9 | 2599 | nl_msg_put_act_flags(request); |
0c70132c CM |
2600 | nl_msg_end_nested(request, act_offset); |
2601 | } | |
2602 | break; | |
b2ae4069 PB |
2603 | case TC_ACT_GOTO: { |
2604 | if (released) { | |
2605 | /* We don't support tunnel release + output + goto | |
2606 | * for now, as next chain by default will try and match | |
2607 | * the tunnel metadata that was released/unset. | |
2608 | * | |
2609 | * This will happen with tunnel + mirror ports. | |
2610 | */ | |
2611 | return -EOPNOTSUPP; | |
2612 | } | |
2613 | ||
2614 | act_offset = nl_msg_start_nested(request, act_index++); | |
2615 | nl_msg_put_act_gact(request, action->chain); | |
2616 | nl_msg_put_act_cookie(request, &flower->act_cookie); | |
2617 | nl_msg_end_nested(request, act_offset); | |
2618 | } | |
2619 | break; | |
576126a9 PB |
2620 | case TC_ACT_CT: { |
2621 | act_offset = nl_msg_start_nested(request, act_index++); | |
2622 | nl_msg_put_act_ct(request, action); | |
2623 | nl_msg_put_act_cookie(request, &flower->act_cookie); | |
2624 | nl_msg_end_nested(request, act_offset); | |
2625 | } | |
2626 | break; | |
a7ce5b85 | 2627 | } |
8ada482b | 2628 | } |
0c70132c | 2629 | } |
b2ae4069 PB |
2630 | |
2631 | if (!flower->action_count) { | |
0c70132c | 2632 | act_offset = nl_msg_start_nested(request, act_index++); |
b2ae4069 | 2633 | nl_msg_put_act_gact(request, 0); |
0c70132c | 2634 | nl_msg_put_act_cookie(request, &flower->act_cookie); |
292d5bd9 | 2635 | nl_msg_put_act_flags(request); |
0c70132c | 2636 | nl_msg_end_nested(request, act_offset); |
f98e418f RD |
2637 | } |
2638 | nl_msg_end_nested(request, offset); | |
8ada482b PB |
2639 | |
2640 | return 0; | |
f98e418f RD |
2641 | } |
2642 | ||
2643 | static void | |
2644 | nl_msg_put_masked_value(struct ofpbuf *request, uint16_t type, | |
2645 | uint16_t mask_type, const void *data, | |
2646 | const void *mask_data, size_t len) | |
2647 | { | |
2648 | if (mask_type != TCA_FLOWER_UNSPEC) { | |
2649 | if (is_all_zeros(mask_data, len)) { | |
2650 | return; | |
2651 | } | |
2652 | nl_msg_put_unspec(request, mask_type, mask_data, len); | |
2653 | } | |
2654 | nl_msg_put_unspec(request, type, data, len); | |
2655 | } | |
2656 | ||
a468645c PJV |
2657 | static void |
2658 | nl_msg_put_flower_tunnel_opts(struct ofpbuf *request, uint16_t type, | |
2659 | struct tun_metadata metadata) | |
2660 | { | |
2661 | struct geneve_opt *opt; | |
2662 | size_t outer, inner; | |
2663 | int len, cnt = 0; | |
2664 | ||
2665 | len = metadata.present.len; | |
2666 | if (!len) { | |
2667 | return; | |
2668 | } | |
2669 | ||
2670 | outer = nl_msg_start_nested(request, type); | |
2671 | while (len) { | |
2672 | opt = &metadata.opts.gnv[cnt]; | |
2673 | inner = nl_msg_start_nested(request, TCA_FLOWER_KEY_ENC_OPTS_GENEVE); | |
2674 | ||
2675 | nl_msg_put_be16(request, TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS, | |
2676 | opt->opt_class); | |
2677 | nl_msg_put_u8(request, TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE, opt->type); | |
2678 | nl_msg_put_unspec(request, TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA, opt + 1, | |
2679 | opt->length * 4); | |
2680 | ||
2681 | cnt += sizeof(struct geneve_opt) / 4 + opt->length; | |
2682 | len -= sizeof(struct geneve_opt) + opt->length * 4; | |
2683 | ||
2684 | nl_msg_end_nested(request, inner); | |
2685 | } | |
2686 | nl_msg_end_nested(request, outer); | |
2687 | } | |
2688 | ||
f98e418f RD |
2689 | static void |
2690 | nl_msg_put_flower_tunnel(struct ofpbuf *request, struct tc_flower *flower) | |
2691 | { | |
5f568d04 TZ |
2692 | ovs_be32 ipv4_src_mask = flower->mask.tunnel.ipv4.ipv4_src; |
2693 | ovs_be32 ipv4_dst_mask = flower->mask.tunnel.ipv4.ipv4_dst; | |
105e8179 OG |
2694 | ovs_be32 ipv4_src = flower->key.tunnel.ipv4.ipv4_src; |
2695 | ovs_be32 ipv4_dst = flower->key.tunnel.ipv4.ipv4_dst; | |
5f568d04 TZ |
2696 | struct in6_addr *ipv6_src_mask = &flower->mask.tunnel.ipv6.ipv6_src; |
2697 | struct in6_addr *ipv6_dst_mask = &flower->mask.tunnel.ipv6.ipv6_dst; | |
105e8179 OG |
2698 | struct in6_addr *ipv6_src = &flower->key.tunnel.ipv6.ipv6_src; |
2699 | struct in6_addr *ipv6_dst = &flower->key.tunnel.ipv6.ipv6_dst; | |
2700 | ovs_be16 tp_dst = flower->key.tunnel.tp_dst; | |
2701 | ovs_be32 id = be64_to_be32(flower->key.tunnel.id); | |
2702 | uint8_t tos = flower->key.tunnel.tos; | |
2703 | uint8_t ttl = flower->key.tunnel.ttl; | |
49a7961f OG |
2704 | uint8_t tos_mask = flower->mask.tunnel.tos; |
2705 | uint8_t ttl_mask = flower->mask.tunnel.ttl; | |
0227bf09 | 2706 | ovs_be64 id_mask = flower->mask.tunnel.id; |
f98e418f | 2707 | |
5f568d04 TZ |
2708 | if (ipv4_dst_mask || ipv4_src_mask) { |
2709 | nl_msg_put_be32(request, TCA_FLOWER_KEY_ENC_IPV4_DST_MASK, | |
2710 | ipv4_dst_mask); | |
2711 | nl_msg_put_be32(request, TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK, | |
2712 | ipv4_src_mask); | |
f98e418f | 2713 | nl_msg_put_be32(request, TCA_FLOWER_KEY_ENC_IPV4_DST, ipv4_dst); |
5f568d04 TZ |
2714 | nl_msg_put_be32(request, TCA_FLOWER_KEY_ENC_IPV4_SRC, ipv4_src); |
2715 | } else if (ipv6_addr_is_set(ipv6_dst_mask) || | |
2716 | ipv6_addr_is_set(ipv6_src_mask)) { | |
2717 | nl_msg_put_in6_addr(request, TCA_FLOWER_KEY_ENC_IPV6_DST_MASK, | |
2718 | ipv6_dst_mask); | |
2719 | nl_msg_put_in6_addr(request, TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK, | |
2720 | ipv6_src_mask); | |
f98e418f | 2721 | nl_msg_put_in6_addr(request, TCA_FLOWER_KEY_ENC_IPV6_DST, ipv6_dst); |
5f568d04 | 2722 | nl_msg_put_in6_addr(request, TCA_FLOWER_KEY_ENC_IPV6_SRC, ipv6_src); |
f98e418f | 2723 | } |
49a7961f | 2724 | if (tos_mask) { |
dd83253e | 2725 | nl_msg_put_u8(request, TCA_FLOWER_KEY_ENC_IP_TOS, tos); |
49a7961f | 2726 | nl_msg_put_u8(request, TCA_FLOWER_KEY_ENC_IP_TOS_MASK, tos_mask); |
dd83253e | 2727 | } |
49a7961f | 2728 | if (ttl_mask) { |
dd83253e | 2729 | nl_msg_put_u8(request, TCA_FLOWER_KEY_ENC_IP_TTL, ttl); |
49a7961f | 2730 | nl_msg_put_u8(request, TCA_FLOWER_KEY_ENC_IP_TTL_MASK, ttl_mask); |
dd83253e | 2731 | } |
1fe42975 | 2732 | if (tp_dst) { |
e48f49e0 EB |
2733 | nl_msg_put_be16(request, TCA_FLOWER_KEY_ENC_UDP_DST_PORT, tp_dst); |
2734 | } | |
0227bf09 AN |
2735 | if (id_mask) { |
2736 | nl_msg_put_be32(request, TCA_FLOWER_KEY_ENC_KEY_ID, id); | |
2737 | } | |
a468645c PJV |
2738 | nl_msg_put_flower_tunnel_opts(request, TCA_FLOWER_KEY_ENC_OPTS, |
2739 | flower->key.tunnel.metadata); | |
2740 | nl_msg_put_flower_tunnel_opts(request, TCA_FLOWER_KEY_ENC_OPTS_MASK, | |
2741 | flower->mask.tunnel.metadata); | |
f98e418f RD |
2742 | } |
2743 | ||
bb170644 PB |
2744 | #define FLOWER_PUT_MASKED_VALUE(member, type) \ |
2745 | nl_msg_put_masked_value(request, type, type##_MASK, &flower->key.member, \ | |
2746 | &flower->mask.member, sizeof flower->key.member) | |
2747 | ||
8ada482b | 2748 | static int |
f98e418f RD |
2749 | nl_msg_put_flower_options(struct ofpbuf *request, struct tc_flower *flower) |
2750 | { | |
8ada482b | 2751 | |
f98e418f | 2752 | uint16_t host_eth_type = ntohs(flower->key.eth_type); |
b5ad40a9 | 2753 | bool is_vlan = eth_type_vlan(flower->key.eth_type); |
f9885dc5 | 2754 | bool is_qinq = is_vlan && eth_type_vlan(flower->key.encap_eth_type[0]); |
34b16955 | 2755 | bool is_mpls = eth_type_mpls(flower->key.eth_type); |
d5659751 | 2756 | enum tc_offload_policy policy = flower->tc_policy; |
8ada482b PB |
2757 | int err; |
2758 | ||
d6118e62 PB |
2759 | /* need to parse acts first as some acts require changing the matching |
2760 | * see csum_update_flag() */ | |
8ada482b PB |
2761 | err = nl_msg_put_flower_acts(request, flower); |
2762 | if (err) { | |
2763 | return err; | |
2764 | } | |
f98e418f RD |
2765 | |
2766 | if (is_vlan) { | |
f9885dc5 JL |
2767 | if (is_qinq) { |
2768 | host_eth_type = ntohs(flower->key.encap_eth_type[1]); | |
2769 | } else { | |
2770 | host_eth_type = ntohs(flower->key.encap_eth_type[0]); | |
2771 | } | |
f98e418f RD |
2772 | } |
2773 | ||
34b16955 PJV |
2774 | if (is_mpls) { |
2775 | host_eth_type = ntohs(flower->key.encap_eth_type[0]); | |
2776 | } | |
2777 | ||
bb170644 PB |
2778 | FLOWER_PUT_MASKED_VALUE(dst_mac, TCA_FLOWER_KEY_ETH_DST); |
2779 | FLOWER_PUT_MASKED_VALUE(src_mac, TCA_FLOWER_KEY_ETH_SRC); | |
f98e418f | 2780 | |
a3db6e47 TZ |
2781 | if (host_eth_type == ETH_P_ARP) { |
2782 | FLOWER_PUT_MASKED_VALUE(arp.spa, TCA_FLOWER_KEY_ARP_SIP); | |
2783 | FLOWER_PUT_MASKED_VALUE(arp.tpa, TCA_FLOWER_KEY_ARP_TIP); | |
2784 | FLOWER_PUT_MASKED_VALUE(arp.sha, TCA_FLOWER_KEY_ARP_SHA); | |
2785 | FLOWER_PUT_MASKED_VALUE(arp.tha, TCA_FLOWER_KEY_ARP_THA); | |
2786 | FLOWER_PUT_MASKED_VALUE(arp.opcode, TCA_FLOWER_KEY_ARP_OP); | |
2787 | } | |
2788 | ||
f98e418f | 2789 | if (host_eth_type == ETH_P_IP || host_eth_type == ETH_P_IPV6) { |
b4496fc9 | 2790 | FLOWER_PUT_MASKED_VALUE(ip_ttl, TCA_FLOWER_KEY_IP_TTL); |
dfa2ccdb | 2791 | FLOWER_PUT_MASKED_VALUE(ip_tos, TCA_FLOWER_KEY_IP_TOS); |
b4496fc9 | 2792 | |
f98e418f RD |
2793 | if (flower->mask.ip_proto && flower->key.ip_proto) { |
2794 | nl_msg_put_u8(request, TCA_FLOWER_KEY_IP_PROTO, | |
2795 | flower->key.ip_proto); | |
2796 | } | |
2797 | ||
83e86606 | 2798 | if (flower->mask.flags) { |
7e0f69b5 | 2799 | nl_msg_put_be32(request, TCA_FLOWER_KEY_FLAGS, |
83e86606 | 2800 | htonl(flower->key.flags)); |
7e0f69b5 | 2801 | nl_msg_put_be32(request, TCA_FLOWER_KEY_FLAGS_MASK, |
83e86606 RD |
2802 | htonl(flower->mask.flags)); |
2803 | } | |
2804 | ||
f98e418f | 2805 | if (flower->key.ip_proto == IPPROTO_UDP) { |
2b1d9fa9 PB |
2806 | FLOWER_PUT_MASKED_VALUE(udp_src, TCA_FLOWER_KEY_UDP_SRC); |
2807 | FLOWER_PUT_MASKED_VALUE(udp_dst, TCA_FLOWER_KEY_UDP_DST); | |
f98e418f | 2808 | } else if (flower->key.ip_proto == IPPROTO_TCP) { |
2b1d9fa9 PB |
2809 | FLOWER_PUT_MASKED_VALUE(tcp_src, TCA_FLOWER_KEY_TCP_SRC); |
2810 | FLOWER_PUT_MASKED_VALUE(tcp_dst, TCA_FLOWER_KEY_TCP_DST); | |
cd081043 | 2811 | FLOWER_PUT_MASKED_VALUE(tcp_flags, TCA_FLOWER_KEY_TCP_FLAGS); |
4862b4e5 | 2812 | } else if (flower->key.ip_proto == IPPROTO_SCTP) { |
2b1d9fa9 PB |
2813 | FLOWER_PUT_MASKED_VALUE(sctp_src, TCA_FLOWER_KEY_SCTP_SRC); |
2814 | FLOWER_PUT_MASKED_VALUE(sctp_dst, TCA_FLOWER_KEY_SCTP_DST); | |
f98e418f | 2815 | } |
576126a9 PB |
2816 | |
2817 | FLOWER_PUT_MASKED_VALUE(ct_state, TCA_FLOWER_KEY_CT_STATE); | |
2818 | FLOWER_PUT_MASKED_VALUE(ct_zone, TCA_FLOWER_KEY_CT_ZONE); | |
9221c721 PB |
2819 | FLOWER_PUT_MASKED_VALUE(ct_mark, TCA_FLOWER_KEY_CT_MARK); |
2820 | FLOWER_PUT_MASKED_VALUE(ct_label, TCA_FLOWER_KEY_CT_LABELS); | |
f98e418f RD |
2821 | } |
2822 | ||
2823 | if (host_eth_type == ETH_P_IP) { | |
bb170644 PB |
2824 | FLOWER_PUT_MASKED_VALUE(ipv4.ipv4_src, TCA_FLOWER_KEY_IPV4_SRC); |
2825 | FLOWER_PUT_MASKED_VALUE(ipv4.ipv4_dst, TCA_FLOWER_KEY_IPV4_DST); | |
f98e418f | 2826 | } else if (host_eth_type == ETH_P_IPV6) { |
bb170644 PB |
2827 | FLOWER_PUT_MASKED_VALUE(ipv6.ipv6_src, TCA_FLOWER_KEY_IPV6_SRC); |
2828 | FLOWER_PUT_MASKED_VALUE(ipv6.ipv6_dst, TCA_FLOWER_KEY_IPV6_DST); | |
f98e418f RD |
2829 | } |
2830 | ||
2831 | nl_msg_put_be16(request, TCA_FLOWER_KEY_ETH_TYPE, flower->key.eth_type); | |
2832 | ||
34b16955 PJV |
2833 | if (is_mpls) { |
2834 | if (mpls_lse_to_ttl(flower->mask.mpls_lse)) { | |
2835 | nl_msg_put_u8(request, TCA_FLOWER_KEY_MPLS_TTL, | |
2836 | mpls_lse_to_ttl(flower->key.mpls_lse)); | |
2837 | } | |
2838 | if (mpls_lse_to_tc(flower->mask.mpls_lse)) { | |
2839 | nl_msg_put_u8(request, TCA_FLOWER_KEY_MPLS_TC, | |
2840 | mpls_lse_to_tc(flower->key.mpls_lse)); | |
2841 | } | |
2842 | if (mpls_lse_to_bos(flower->mask.mpls_lse)) { | |
2843 | nl_msg_put_u8(request, TCA_FLOWER_KEY_MPLS_BOS, | |
2844 | mpls_lse_to_bos(flower->key.mpls_lse)); | |
2845 | } | |
2846 | if (mpls_lse_to_label(flower->mask.mpls_lse)) { | |
2847 | nl_msg_put_u32(request, TCA_FLOWER_KEY_MPLS_LABEL, | |
2848 | mpls_lse_to_label(flower->key.mpls_lse)); | |
2849 | } | |
2850 | } | |
2851 | ||
f98e418f | 2852 | if (is_vlan) { |
7f02f26c | 2853 | if (flower->mask.vlan_id[0]) { |
f98e418f | 2854 | nl_msg_put_u16(request, TCA_FLOWER_KEY_VLAN_ID, |
f9885dc5 | 2855 | flower->key.vlan_id[0]); |
7f02f26c PJV |
2856 | } |
2857 | if (flower->mask.vlan_prio[0]) { | |
f98e418f | 2858 | nl_msg_put_u8(request, TCA_FLOWER_KEY_VLAN_PRIO, |
f9885dc5 | 2859 | flower->key.vlan_prio[0]); |
f98e418f | 2860 | } |
f9885dc5 | 2861 | if (flower->key.encap_eth_type[0]) { |
f98e418f | 2862 | nl_msg_put_be16(request, TCA_FLOWER_KEY_VLAN_ETH_TYPE, |
f9885dc5 JL |
2863 | flower->key.encap_eth_type[0]); |
2864 | } | |
2865 | ||
2866 | if (is_qinq) { | |
7f02f26c | 2867 | if (flower->mask.vlan_id[1]) { |
f9885dc5 JL |
2868 | nl_msg_put_u16(request, TCA_FLOWER_KEY_CVLAN_ID, |
2869 | flower->key.vlan_id[1]); | |
7f02f26c PJV |
2870 | } |
2871 | if (flower->mask.vlan_prio[1]) { | |
f9885dc5 JL |
2872 | nl_msg_put_u8(request, TCA_FLOWER_KEY_CVLAN_PRIO, |
2873 | flower->key.vlan_prio[1]); | |
2874 | } | |
2875 | if (flower->key.encap_eth_type[1]) { | |
2876 | nl_msg_put_be16(request, TCA_FLOWER_KEY_CVLAN_ETH_TYPE, | |
2877 | flower->key.encap_eth_type[1]); | |
2878 | } | |
f98e418f RD |
2879 | } |
2880 | } | |
2881 | ||
d5659751 RD |
2882 | if (policy == TC_POLICY_NONE) { |
2883 | policy = tc_policy; | |
2884 | } | |
2885 | ||
2886 | nl_msg_put_u32(request, TCA_FLOWER_FLAGS, tc_get_tc_cls_policy(policy)); | |
f98e418f | 2887 | |
105e8179 | 2888 | if (flower->tunnel) { |
f98e418f RD |
2889 | nl_msg_put_flower_tunnel(request, flower); |
2890 | } | |
2891 | ||
8ada482b | 2892 | return 0; |
f98e418f RD |
2893 | } |
2894 | ||
2895 | int | |
acdd544c | 2896 | tc_replace_flower(struct tcf_id *id, struct tc_flower *flower) |
f98e418f RD |
2897 | { |
2898 | struct ofpbuf request; | |
f98e418f RD |
2899 | struct ofpbuf *reply; |
2900 | int error = 0; | |
2901 | size_t basic_offset; | |
2902 | uint16_t eth_type = (OVS_FORCE uint16_t) flower->key.eth_type; | |
2903 | ||
acdd544c PB |
2904 | request_from_tcf_id(id, eth_type, RTM_NEWTFILTER, |
2905 | NLM_F_CREATE | NLM_F_ECHO, &request); | |
f98e418f RD |
2906 | |
2907 | nl_msg_put_string(&request, TCA_KIND, "flower"); | |
2908 | basic_offset = nl_msg_start_nested(&request, TCA_OPTIONS); | |
2909 | { | |
8ada482b PB |
2910 | error = nl_msg_put_flower_options(&request, flower); |
2911 | ||
2912 | if (error) { | |
2913 | ofpbuf_uninit(&request); | |
2914 | return error; | |
2915 | } | |
f98e418f RD |
2916 | } |
2917 | nl_msg_end_nested(&request, basic_offset); | |
2918 | ||
2919 | error = tc_transact(&request, &reply); | |
2920 | if (!error) { | |
2921 | struct tcmsg *tc = | |
2922 | ofpbuf_at_assert(reply, NLMSG_HDRLEN, sizeof *tc); | |
2923 | ||
acdd544c PB |
2924 | id->prio = tc_get_major(tc->tcm_info); |
2925 | id->handle = tc->tcm_handle; | |
f98e418f RD |
2926 | ofpbuf_delete(reply); |
2927 | } | |
2928 | ||
2929 | return error; | |
2930 | } | |
691d20cb PB |
2931 | |
2932 | void | |
2933 | tc_set_policy(const char *policy) | |
2934 | { | |
2935 | if (!policy) { | |
2936 | return; | |
2937 | } | |
2938 | ||
2939 | if (!strcmp(policy, "skip_sw")) { | |
2940 | tc_policy = TC_POLICY_SKIP_SW; | |
2941 | } else if (!strcmp(policy, "skip_hw")) { | |
2942 | tc_policy = TC_POLICY_SKIP_HW; | |
2943 | } else if (!strcmp(policy, "none")) { | |
2944 | tc_policy = TC_POLICY_NONE; | |
2945 | } else { | |
2946 | VLOG_WARN("tc: Invalid policy '%s'", policy); | |
2947 | return; | |
2948 | } | |
2949 | ||
2950 | VLOG_INFO("tc: Using policy '%s'", policy); | |
2951 | } |