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f094af7b | 1 | /* |
e60e935b | 2 | * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc. |
f094af7b SH |
3 | * Copyright (c) 2013 Simon Horman |
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 "odp-execute.h" | |
b2befd5b | 20 | #include <sys/types.h> |
1368af0c | 21 | #include <netinet/in.h> |
b2befd5b | 22 | #include <arpa/inet.h> |
e60e935b | 23 | #include <netinet/icmp6.h> |
6d670e7f | 24 | #include <netinet/ip6.h> |
f094af7b SH |
25 | #include <stdlib.h> |
26 | #include <string.h> | |
27 | ||
e14deea0 | 28 | #include "dp-packet.h" |
758c456d | 29 | #include "dpif.h" |
f094af7b | 30 | #include "netlink.h" |
837eefc7 | 31 | #include "odp-netlink.h" |
6c13071b | 32 | #include "odp-util.h" |
f094af7b | 33 | #include "packets.h" |
c6bf49f3 | 34 | #include "flow.h" |
f6c8a6b1 | 35 | #include "unaligned.h" |
f094af7b | 36 | #include "util.h" |
fc052306 | 37 | #include "csum.h" |
1fe178d2 | 38 | #include "conntrack.h" |
f094af7b | 39 | |
6d670e7f | 40 | /* Masked copy of an ethernet address. 'src' is already properly masked. */ |
f094af7b | 41 | static void |
74ff3298 JR |
42 | ether_addr_copy_masked(struct eth_addr *dst, const struct eth_addr src, |
43 | const struct eth_addr mask) | |
6d670e7f JR |
44 | { |
45 | int i; | |
46 | ||
74ff3298 JR |
47 | for (i = 0; i < ARRAY_SIZE(dst->be16); i++) { |
48 | dst->be16[i] = src.be16[i] | (dst->be16[i] & ~mask.be16[i]); | |
6d670e7f JR |
49 | } |
50 | } | |
51 | ||
52 | static void | |
cf62fa4c | 53 | odp_eth_set_addrs(struct dp_packet *packet, const struct ovs_key_ethernet *key, |
6d670e7f | 54 | const struct ovs_key_ethernet *mask) |
f094af7b | 55 | { |
2482b0b0 | 56 | struct eth_header *eh = dp_packet_eth(packet); |
f094af7b | 57 | |
cf3b7538 | 58 | if (eh) { |
6d670e7f | 59 | if (!mask) { |
74ff3298 JR |
60 | eh->eth_src = key->eth_src; |
61 | eh->eth_dst = key->eth_dst; | |
6d670e7f | 62 | } else { |
74ff3298 JR |
63 | ether_addr_copy_masked(&eh->eth_src, key->eth_src, mask->eth_src); |
64 | ether_addr_copy_masked(&eh->eth_dst, key->eth_dst, mask->eth_dst); | |
6d670e7f | 65 | } |
cf3b7538 | 66 | } |
f094af7b SH |
67 | } |
68 | ||
6d670e7f | 69 | static void |
cf62fa4c | 70 | odp_set_ipv4(struct dp_packet *packet, const struct ovs_key_ipv4 *key, |
6d670e7f JR |
71 | const struct ovs_key_ipv4 *mask) |
72 | { | |
cf62fa4c | 73 | struct ip_header *nh = dp_packet_l3(packet); |
fc052306 ZB |
74 | ovs_be32 ip_src_nh; |
75 | ovs_be32 ip_dst_nh; | |
76 | ovs_be32 new_ip_src; | |
77 | ovs_be32 new_ip_dst; | |
78 | uint8_t new_tos; | |
79 | uint8_t new_ttl; | |
6d670e7f | 80 | |
fc052306 ZB |
81 | if (mask->ipv4_src) { |
82 | ip_src_nh = get_16aligned_be32(&nh->ip_src); | |
83 | new_ip_src = key->ipv4_src | (ip_src_nh & ~mask->ipv4_src); | |
84 | ||
85 | if (ip_src_nh != new_ip_src) { | |
86 | packet_set_ipv4_addr(packet, &nh->ip_src, new_ip_src); | |
87 | } | |
88 | } | |
89 | ||
90 | if (mask->ipv4_dst) { | |
91 | ip_dst_nh = get_16aligned_be32(&nh->ip_dst); | |
92 | new_ip_dst = key->ipv4_dst | (ip_dst_nh & ~mask->ipv4_dst); | |
93 | ||
94 | if (ip_dst_nh != new_ip_dst) { | |
95 | packet_set_ipv4_addr(packet, &nh->ip_dst, new_ip_dst); | |
96 | } | |
97 | } | |
98 | ||
99 | if (mask->ipv4_tos) { | |
100 | new_tos = key->ipv4_tos | (nh->ip_tos & ~mask->ipv4_tos); | |
101 | ||
102 | if (nh->ip_tos != new_tos) { | |
103 | nh->ip_csum = recalc_csum16(nh->ip_csum, | |
104 | htons((uint16_t) nh->ip_tos), | |
105 | htons((uint16_t) new_tos)); | |
106 | nh->ip_tos = new_tos; | |
107 | } | |
108 | } | |
109 | ||
110 | if (OVS_LIKELY(mask->ipv4_ttl)) { | |
111 | new_ttl = key->ipv4_ttl | (nh->ip_ttl & ~mask->ipv4_ttl); | |
112 | ||
113 | if (OVS_LIKELY(nh->ip_ttl != new_ttl)) { | |
114 | nh->ip_csum = recalc_csum16(nh->ip_csum, htons(nh->ip_ttl << 8), | |
115 | htons(new_ttl << 8)); | |
116 | nh->ip_ttl = new_ttl; | |
117 | } | |
118 | } | |
6d670e7f JR |
119 | } |
120 | ||
932c96b7 JR |
121 | static struct in6_addr * |
122 | mask_ipv6_addr(const ovs_16aligned_be32 *old, const struct in6_addr *addr, | |
123 | const struct in6_addr *mask, struct in6_addr *masked) | |
6d670e7f | 124 | { |
932c96b7 | 125 | #ifdef s6_addr32 |
6d670e7f | 126 | for (int i = 0; i < 4; i++) { |
932c96b7 JR |
127 | masked->s6_addr32[i] = addr->s6_addr32[i] |
128 | | (get_16aligned_be32(&old[i]) & ~mask->s6_addr32[i]); | |
6d670e7f | 129 | } |
932c96b7 JR |
130 | #else |
131 | const uint8_t *old8 = (const uint8_t *)old; | |
132 | for (int i = 0; i < 16; i++) { | |
133 | masked->s6_addr[i] = addr->s6_addr[i] | (old8[i] & ~mask->s6_addr[i]); | |
134 | } | |
135 | #endif | |
6d670e7f JR |
136 | return masked; |
137 | } | |
138 | ||
139 | static void | |
cf62fa4c | 140 | odp_set_ipv6(struct dp_packet *packet, const struct ovs_key_ipv6 *key, |
6d670e7f JR |
141 | const struct ovs_key_ipv6 *mask) |
142 | { | |
cf62fa4c | 143 | struct ovs_16aligned_ip6_hdr *nh = dp_packet_l3(packet); |
932c96b7 | 144 | struct in6_addr sbuf, dbuf; |
6d670e7f JR |
145 | uint8_t old_tc = ntohl(get_16aligned_be32(&nh->ip6_flow)) >> 20; |
146 | ovs_be32 old_fl = get_16aligned_be32(&nh->ip6_flow) & htonl(0xfffff); | |
147 | ||
148 | packet_set_ipv6( | |
149 | packet, | |
932c96b7 JR |
150 | mask_ipv6_addr(nh->ip6_src.be32, &key->ipv6_src, &mask->ipv6_src, |
151 | &sbuf), | |
152 | mask_ipv6_addr(nh->ip6_dst.be32, &key->ipv6_dst, &mask->ipv6_dst, | |
153 | &dbuf), | |
6d670e7f JR |
154 | key->ipv6_tclass | (old_tc & ~mask->ipv6_tclass), |
155 | key->ipv6_label | (old_fl & ~mask->ipv6_label), | |
156 | key->ipv6_hlimit | (nh->ip6_hlim & ~mask->ipv6_hlimit)); | |
157 | } | |
158 | ||
159 | static void | |
cf62fa4c | 160 | odp_set_tcp(struct dp_packet *packet, const struct ovs_key_tcp *key, |
6d670e7f JR |
161 | const struct ovs_key_tcp *mask) |
162 | { | |
cf62fa4c | 163 | struct tcp_header *th = dp_packet_l4(packet); |
6d670e7f | 164 | |
cf62fa4c | 165 | if (OVS_LIKELY(th && dp_packet_get_tcp_payload(packet))) { |
b8778a0d JR |
166 | packet_set_tcp_port(packet, |
167 | key->tcp_src | (th->tcp_src & ~mask->tcp_src), | |
168 | key->tcp_dst | (th->tcp_dst & ~mask->tcp_dst)); | |
169 | } | |
6d670e7f JR |
170 | } |
171 | ||
172 | static void | |
cf62fa4c | 173 | odp_set_udp(struct dp_packet *packet, const struct ovs_key_udp *key, |
6d670e7f JR |
174 | const struct ovs_key_udp *mask) |
175 | { | |
cf62fa4c | 176 | struct udp_header *uh = dp_packet_l4(packet); |
6d670e7f | 177 | |
cf62fa4c | 178 | if (OVS_LIKELY(uh && dp_packet_get_udp_payload(packet))) { |
b8778a0d JR |
179 | packet_set_udp_port(packet, |
180 | key->udp_src | (uh->udp_src & ~mask->udp_src), | |
181 | key->udp_dst | (uh->udp_dst & ~mask->udp_dst)); | |
182 | } | |
6d670e7f JR |
183 | } |
184 | ||
185 | static void | |
cf62fa4c | 186 | odp_set_sctp(struct dp_packet *packet, const struct ovs_key_sctp *key, |
6d670e7f JR |
187 | const struct ovs_key_sctp *mask) |
188 | { | |
cf62fa4c | 189 | struct sctp_header *sh = dp_packet_l4(packet); |
6d670e7f | 190 | |
cf62fa4c | 191 | if (OVS_LIKELY(sh && dp_packet_get_sctp_payload(packet))) { |
b8778a0d JR |
192 | packet_set_sctp_port(packet, |
193 | key->sctp_src | (sh->sctp_src & ~mask->sctp_src), | |
194 | key->sctp_dst | (sh->sctp_dst & ~mask->sctp_dst)); | |
195 | } | |
6d670e7f JR |
196 | } |
197 | ||
f094af7b | 198 | static void |
6c13071b SH |
199 | odp_set_tunnel_action(const struct nlattr *a, struct flow_tnl *tun_key) |
200 | { | |
d40533fc | 201 | ovs_assert(odp_tun_key_from_attr(a, tun_key, NULL) != ODP_FIT_ERROR); |
6c13071b SH |
202 | } |
203 | ||
f6c8a6b1 | 204 | static void |
cf62fa4c | 205 | set_arp(struct dp_packet *packet, const struct ovs_key_arp *key, |
6d670e7f | 206 | const struct ovs_key_arp *mask) |
f6c8a6b1 | 207 | { |
cf62fa4c | 208 | struct arp_eth_header *arp = dp_packet_l3(packet); |
f6c8a6b1 | 209 | |
6d670e7f JR |
210 | if (!mask) { |
211 | arp->ar_op = key->arp_op; | |
74ff3298 | 212 | arp->ar_sha = key->arp_sha; |
6d670e7f | 213 | put_16aligned_be32(&arp->ar_spa, key->arp_sip); |
74ff3298 | 214 | arp->ar_tha = key->arp_tha; |
6d670e7f JR |
215 | put_16aligned_be32(&arp->ar_tpa, key->arp_tip); |
216 | } else { | |
217 | ovs_be32 ar_spa = get_16aligned_be32(&arp->ar_spa); | |
218 | ovs_be32 ar_tpa = get_16aligned_be32(&arp->ar_tpa); | |
219 | ||
220 | arp->ar_op = key->arp_op | (arp->ar_op & ~mask->arp_op); | |
74ff3298 | 221 | ether_addr_copy_masked(&arp->ar_sha, key->arp_sha, mask->arp_sha); |
6d670e7f JR |
222 | put_16aligned_be32(&arp->ar_spa, |
223 | key->arp_sip | (ar_spa & ~mask->arp_sip)); | |
74ff3298 | 224 | ether_addr_copy_masked(&arp->ar_tha, key->arp_tha, mask->arp_tha); |
6d670e7f JR |
225 | put_16aligned_be32(&arp->ar_tpa, |
226 | key->arp_tip | (ar_tpa & ~mask->arp_tip)); | |
227 | } | |
f6c8a6b1 BP |
228 | } |
229 | ||
9b2b8497 VDA |
230 | static void |
231 | odp_set_nd_ext(struct dp_packet *packet, const struct ovs_key_nd_extensions | |
232 | *key, const struct ovs_key_nd_extensions *mask) | |
233 | { | |
234 | const struct ovs_nd_msg *ns = dp_packet_l4(packet); | |
235 | ovs_16aligned_be32 reserved = ns->rso_flags; | |
236 | uint8_t opt_type = ns->options[0].type; | |
237 | ||
238 | if (mask->nd_reserved) { | |
239 | put_16aligned_be32(&reserved, key->nd_reserved); | |
240 | } | |
241 | if (mask->nd_options_type) { | |
242 | opt_type = key->nd_options_type; | |
243 | } | |
244 | packet_set_nd_ext(packet, reserved, opt_type); | |
245 | } | |
246 | ||
e60e935b | 247 | static void |
cf62fa4c | 248 | odp_set_nd(struct dp_packet *packet, const struct ovs_key_nd *key, |
e60e935b SRCSA |
249 | const struct ovs_key_nd *mask) |
250 | { | |
cf62fa4c | 251 | const struct ovs_nd_msg *ns = dp_packet_l4(packet); |
86d46f3c | 252 | const struct ovs_nd_lla_opt *lla_opt = dp_packet_get_nd_payload(packet); |
e60e935b | 253 | |
86d46f3c | 254 | if (OVS_LIKELY(ns && lla_opt)) { |
cf62fa4c | 255 | int bytes_remain = dp_packet_l4_size(packet) - sizeof(*ns); |
932c96b7 | 256 | struct in6_addr tgt_buf; |
74ff3298 JR |
257 | struct eth_addr sll_buf = eth_addr_zero; |
258 | struct eth_addr tll_buf = eth_addr_zero; | |
e60e935b | 259 | |
86d46f3c ZKL |
260 | while (bytes_remain >= ND_LLA_OPT_LEN && lla_opt->len != 0) { |
261 | if (lla_opt->type == ND_OPT_SOURCE_LINKADDR | |
262 | && lla_opt->len == 1) { | |
263 | sll_buf = lla_opt->mac; | |
74ff3298 | 264 | ether_addr_copy_masked(&sll_buf, key->nd_sll, mask->nd_sll); |
e60e935b SRCSA |
265 | |
266 | /* A packet can only contain one SLL or TLL option */ | |
267 | break; | |
86d46f3c ZKL |
268 | } else if (lla_opt->type == ND_OPT_TARGET_LINKADDR |
269 | && lla_opt->len == 1) { | |
270 | tll_buf = lla_opt->mac; | |
74ff3298 | 271 | ether_addr_copy_masked(&tll_buf, key->nd_tll, mask->nd_tll); |
e60e935b SRCSA |
272 | |
273 | /* A packet can only contain one SLL or TLL option */ | |
274 | break; | |
275 | } | |
276 | ||
86d46f3c ZKL |
277 | lla_opt += lla_opt->len; |
278 | bytes_remain -= lla_opt->len * ND_LLA_OPT_LEN; | |
e60e935b SRCSA |
279 | } |
280 | ||
281 | packet_set_nd(packet, | |
932c96b7 JR |
282 | mask_ipv6_addr(ns->target.be32, &key->nd_target, |
283 | &mask->nd_target, &tgt_buf), | |
e60e935b SRCSA |
284 | sll_buf, |
285 | tll_buf); | |
286 | } | |
287 | } | |
288 | ||
3d2fbd70 JS |
289 | /* Set the NSH header. Assumes the NSH header is present and matches the |
290 | * MD format of the key. The slow path must take case of that. */ | |
291 | static void | |
81fdabb9 | 292 | odp_set_nsh(struct dp_packet *packet, const struct nlattr *a, bool has_mask) |
3d2fbd70 | 293 | { |
81fdabb9 | 294 | struct ovs_key_nsh key, mask; |
3d2fbd70 | 295 | struct nsh_hdr *nsh = dp_packet_l3(packet); |
9a180f2c | 296 | uint8_t mdtype = nsh_md_type(nsh); |
f59cb331 | 297 | ovs_be32 path_hdr; |
3d2fbd70 | 298 | |
81fdabb9 | 299 | if (has_mask) { |
d40533fc | 300 | odp_nsh_key_from_attr(a, &key, &mask, NULL); |
81fdabb9 | 301 | } else { |
d40533fc | 302 | odp_nsh_key_from_attr(a, &key, NULL, NULL); |
81fdabb9 YY |
303 | } |
304 | ||
305 | if (!has_mask) { | |
306 | nsh_set_flags_and_ttl(nsh, key.flags, key.ttl); | |
307 | put_16aligned_be32(&nsh->path_hdr, key.path_hdr); | |
9a180f2c | 308 | switch (mdtype) { |
3d2fbd70 JS |
309 | case NSH_M_TYPE1: |
310 | for (int i = 0; i < 4; i++) { | |
81fdabb9 | 311 | put_16aligned_be32(&nsh->md1.context[i], key.context[i]); |
3d2fbd70 JS |
312 | } |
313 | break; | |
314 | case NSH_M_TYPE2: | |
3d2fbd70 | 315 | default: |
1fc11c59 JS |
316 | /* No support for setting any other metadata format yet. */ |
317 | break; | |
3d2fbd70 JS |
318 | } |
319 | } else { | |
17553f27 YY |
320 | uint8_t flags = nsh_get_flags(nsh); |
321 | uint8_t ttl = nsh_get_ttl(nsh); | |
322 | ||
81fdabb9 YY |
323 | flags = key.flags | (flags & ~mask.flags); |
324 | ttl = key.ttl | (ttl & ~mask.ttl); | |
17553f27 | 325 | nsh_set_flags_and_ttl(nsh, flags, ttl); |
3d2fbd70 | 326 | |
17553f27 YY |
327 | uint32_t spi = ntohl(nsh_get_spi(nsh)); |
328 | uint8_t si = nsh_get_si(nsh); | |
81fdabb9 YY |
329 | uint32_t spi_mask = nsh_path_hdr_to_spi_uint32(mask.path_hdr); |
330 | uint8_t si_mask = nsh_path_hdr_to_si(mask.path_hdr); | |
f59cb331 YY |
331 | if (spi_mask == 0x00ffffff) { |
332 | spi_mask = UINT32_MAX; | |
333 | } | |
81fdabb9 YY |
334 | spi = nsh_path_hdr_to_spi_uint32(key.path_hdr) | (spi & ~spi_mask); |
335 | si = nsh_path_hdr_to_si(key.path_hdr) | (si & ~si_mask); | |
17553f27 YY |
336 | path_hdr = nsh_get_path_hdr(nsh); |
337 | nsh_path_hdr_set_spi(&path_hdr, htonl(spi)); | |
338 | nsh_path_hdr_set_si(&path_hdr, si); | |
3d2fbd70 | 339 | put_16aligned_be32(&nsh->path_hdr, path_hdr); |
9a180f2c | 340 | switch (mdtype) { |
3d2fbd70 JS |
341 | case NSH_M_TYPE1: |
342 | for (int i = 0; i < 4; i++) { | |
f59cb331 | 343 | ovs_be32 p = get_16aligned_be32(&nsh->md1.context[i]); |
81fdabb9 YY |
344 | ovs_be32 k = key.context[i]; |
345 | ovs_be32 m = mask.context[i]; | |
f59cb331 | 346 | put_16aligned_be32(&nsh->md1.context[i], k | (p & ~m)); |
3d2fbd70 JS |
347 | } |
348 | break; | |
349 | case NSH_M_TYPE2: | |
3d2fbd70 | 350 | default: |
1fc11c59 JS |
351 | /* No support for setting any other metadata format yet. */ |
352 | break; | |
3d2fbd70 JS |
353 | } |
354 | } | |
355 | } | |
356 | ||
6c13071b | 357 | static void |
e14deea0 | 358 | odp_execute_set_action(struct dp_packet *packet, const struct nlattr *a) |
f094af7b SH |
359 | { |
360 | enum ovs_key_attr type = nl_attr_type(a); | |
361 | const struct ovs_key_ipv4 *ipv4_key; | |
362 | const struct ovs_key_ipv6 *ipv6_key; | |
41ccaa24 | 363 | struct pkt_metadata *md = &packet->md; |
f094af7b SH |
364 | |
365 | switch (type) { | |
366 | case OVS_KEY_ATTR_PRIORITY: | |
09f9da0b | 367 | md->skb_priority = nl_attr_get_u32(a); |
6c13071b SH |
368 | break; |
369 | ||
f094af7b | 370 | case OVS_KEY_ATTR_TUNNEL: |
09f9da0b | 371 | odp_set_tunnel_action(a, &md->tunnel); |
6c13071b SH |
372 | break; |
373 | ||
f094af7b | 374 | case OVS_KEY_ATTR_SKB_MARK: |
09f9da0b | 375 | md->pkt_mark = nl_attr_get_u32(a); |
f094af7b SH |
376 | break; |
377 | ||
378 | case OVS_KEY_ATTR_ETHERNET: | |
cf62fa4c | 379 | odp_eth_set_addrs(packet, nl_attr_get(a), NULL); |
f094af7b SH |
380 | break; |
381 | ||
f59cb331 | 382 | case OVS_KEY_ATTR_NSH: { |
81fdabb9 | 383 | odp_set_nsh(packet, a, false); |
3d2fbd70 | 384 | break; |
f59cb331 | 385 | } |
3d2fbd70 | 386 | |
f094af7b SH |
387 | case OVS_KEY_ATTR_IPV4: |
388 | ipv4_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv4)); | |
cf62fa4c | 389 | packet_set_ipv4(packet, ipv4_key->ipv4_src, |
91088554 DDP |
390 | ipv4_key->ipv4_dst, ipv4_key->ipv4_tos, |
391 | ipv4_key->ipv4_ttl); | |
f094af7b SH |
392 | break; |
393 | ||
394 | case OVS_KEY_ATTR_IPV6: | |
395 | ipv6_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv6)); | |
932c96b7 | 396 | packet_set_ipv6(packet, &ipv6_key->ipv6_src, &ipv6_key->ipv6_dst, |
91088554 DDP |
397 | ipv6_key->ipv6_tclass, ipv6_key->ipv6_label, |
398 | ipv6_key->ipv6_hlimit); | |
f094af7b SH |
399 | break; |
400 | ||
401 | case OVS_KEY_ATTR_TCP: | |
cf62fa4c | 402 | if (OVS_LIKELY(dp_packet_get_tcp_payload(packet))) { |
b8778a0d JR |
403 | const struct ovs_key_tcp *tcp_key |
404 | = nl_attr_get_unspec(a, sizeof(struct ovs_key_tcp)); | |
405 | ||
cf62fa4c | 406 | packet_set_tcp_port(packet, tcp_key->tcp_src, |
b8778a0d JR |
407 | tcp_key->tcp_dst); |
408 | } | |
f094af7b SH |
409 | break; |
410 | ||
2b06df54 | 411 | case OVS_KEY_ATTR_UDP: |
cf62fa4c | 412 | if (OVS_LIKELY(dp_packet_get_udp_payload(packet))) { |
b8778a0d JR |
413 | const struct ovs_key_udp *udp_key |
414 | = nl_attr_get_unspec(a, sizeof(struct ovs_key_udp)); | |
415 | ||
cf62fa4c | 416 | packet_set_udp_port(packet, udp_key->udp_src, |
b8778a0d JR |
417 | udp_key->udp_dst); |
418 | } | |
f094af7b SH |
419 | break; |
420 | ||
c6bcb685 | 421 | case OVS_KEY_ATTR_SCTP: |
cf62fa4c | 422 | if (OVS_LIKELY(dp_packet_get_sctp_payload(packet))) { |
b8778a0d JR |
423 | const struct ovs_key_sctp *sctp_key |
424 | = nl_attr_get_unspec(a, sizeof(struct ovs_key_sctp)); | |
425 | ||
cf62fa4c | 426 | packet_set_sctp_port(packet, sctp_key->sctp_src, |
b8778a0d JR |
427 | sctp_key->sctp_dst); |
428 | } | |
c6bcb685 JS |
429 | break; |
430 | ||
2b06df54 | 431 | case OVS_KEY_ATTR_MPLS: |
cf62fa4c | 432 | set_mpls_lse(packet, nl_attr_get_be32(a)); |
6d670e7f | 433 | break; |
f094af7b | 434 | |
f6c8a6b1 | 435 | case OVS_KEY_ATTR_ARP: |
cf62fa4c | 436 | set_arp(packet, nl_attr_get(a), NULL); |
f6c8a6b1 BP |
437 | break; |
438 | ||
f6ecf944 JP |
439 | case OVS_KEY_ATTR_ICMP: |
440 | case OVS_KEY_ATTR_ICMPV6: | |
441 | if (OVS_LIKELY(dp_packet_get_icmp_payload(packet))) { | |
442 | const struct ovs_key_icmp *icmp_key | |
443 | = nl_attr_get_unspec(a, sizeof(struct ovs_key_icmp)); | |
444 | ||
445 | packet_set_icmp(packet, icmp_key->icmp_type, icmp_key->icmp_code); | |
446 | } | |
447 | break; | |
448 | ||
e60e935b | 449 | case OVS_KEY_ATTR_ND: |
cf62fa4c | 450 | if (OVS_LIKELY(dp_packet_get_nd_payload(packet))) { |
e60e935b SRCSA |
451 | const struct ovs_key_nd *nd_key |
452 | = nl_attr_get_unspec(a, sizeof(struct ovs_key_nd)); | |
932c96b7 | 453 | packet_set_nd(packet, &nd_key->nd_target, nd_key->nd_sll, |
74ff3298 | 454 | nd_key->nd_tll); |
e60e935b SRCSA |
455 | } |
456 | break; | |
457 | ||
9b2b8497 VDA |
458 | case OVS_KEY_ATTR_ND_EXTENSIONS: |
459 | if (OVS_LIKELY(dp_packet_get_nd_payload(packet))) { | |
460 | const struct ovs_key_nd_extensions *nd_ext_key | |
461 | = nl_attr_get_unspec(a, sizeof(struct ovs_key_nd_extensions)); | |
462 | ovs_16aligned_be32 rso_flags; | |
463 | put_16aligned_be32(&rso_flags, nd_ext_key->nd_reserved); | |
464 | packet_set_nd_ext(packet, rso_flags, nd_ext_key->nd_options_type); | |
465 | } | |
466 | break; | |
467 | ||
572f732a | 468 | case OVS_KEY_ATTR_DP_HASH: |
61a2647e | 469 | md->dp_hash = nl_attr_get_u32(a); |
572f732a AZ |
470 | break; |
471 | ||
472 | case OVS_KEY_ATTR_RECIRC_ID: | |
473 | md->recirc_id = nl_attr_get_u32(a); | |
474 | break; | |
475 | ||
2b06df54 | 476 | case OVS_KEY_ATTR_UNSPEC: |
beb75a40 | 477 | case OVS_KEY_ATTR_PACKET_TYPE: |
2b06df54 JS |
478 | case OVS_KEY_ATTR_ENCAP: |
479 | case OVS_KEY_ATTR_ETHERTYPE: | |
480 | case OVS_KEY_ATTR_IN_PORT: | |
481 | case OVS_KEY_ATTR_VLAN: | |
dc235f7f | 482 | case OVS_KEY_ATTR_TCP_FLAGS: |
07659514 | 483 | case OVS_KEY_ATTR_CT_STATE: |
c30b4cea JR |
484 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: |
485 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: | |
07659514 | 486 | case OVS_KEY_ATTR_CT_ZONE: |
8e53fe8c | 487 | case OVS_KEY_ATTR_CT_MARK: |
9daf2348 | 488 | case OVS_KEY_ATTR_CT_LABELS: |
2b06df54 JS |
489 | case __OVS_KEY_ATTR_MAX: |
490 | default: | |
428b2edd | 491 | OVS_NOT_REACHED(); |
f094af7b SH |
492 | } |
493 | } | |
494 | ||
6d670e7f JR |
495 | #define get_mask(a, type) ((const type *)(const void *)(a + 1) + 1) |
496 | ||
497 | static void | |
e14deea0 | 498 | odp_execute_masked_set_action(struct dp_packet *packet, |
41ccaa24 | 499 | const struct nlattr *a) |
6d670e7f | 500 | { |
41ccaa24 | 501 | struct pkt_metadata *md = &packet->md; |
6d670e7f JR |
502 | enum ovs_key_attr type = nl_attr_type(a); |
503 | struct mpls_hdr *mh; | |
504 | ||
505 | switch (type) { | |
506 | case OVS_KEY_ATTR_PRIORITY: | |
507 | md->skb_priority = nl_attr_get_u32(a) | |
508 | | (md->skb_priority & ~*get_mask(a, uint32_t)); | |
509 | break; | |
510 | ||
511 | case OVS_KEY_ATTR_SKB_MARK: | |
512 | md->pkt_mark = nl_attr_get_u32(a) | |
513 | | (md->pkt_mark & ~*get_mask(a, uint32_t)); | |
514 | break; | |
515 | ||
516 | case OVS_KEY_ATTR_ETHERNET: | |
cf62fa4c | 517 | odp_eth_set_addrs(packet, nl_attr_get(a), |
6d670e7f JR |
518 | get_mask(a, struct ovs_key_ethernet)); |
519 | break; | |
520 | ||
f59cb331 | 521 | case OVS_KEY_ATTR_NSH: { |
81fdabb9 | 522 | odp_set_nsh(packet, a, true); |
3d2fbd70 | 523 | break; |
f59cb331 | 524 | } |
3d2fbd70 | 525 | |
6d670e7f | 526 | case OVS_KEY_ATTR_IPV4: |
cf62fa4c | 527 | odp_set_ipv4(packet, nl_attr_get(a), |
6d670e7f JR |
528 | get_mask(a, struct ovs_key_ipv4)); |
529 | break; | |
530 | ||
531 | case OVS_KEY_ATTR_IPV6: | |
cf62fa4c | 532 | odp_set_ipv6(packet, nl_attr_get(a), |
6d670e7f JR |
533 | get_mask(a, struct ovs_key_ipv6)); |
534 | break; | |
535 | ||
536 | case OVS_KEY_ATTR_TCP: | |
cf62fa4c | 537 | odp_set_tcp(packet, nl_attr_get(a), |
6d670e7f JR |
538 | get_mask(a, struct ovs_key_tcp)); |
539 | break; | |
540 | ||
541 | case OVS_KEY_ATTR_UDP: | |
cf62fa4c | 542 | odp_set_udp(packet, nl_attr_get(a), |
6d670e7f JR |
543 | get_mask(a, struct ovs_key_udp)); |
544 | break; | |
545 | ||
546 | case OVS_KEY_ATTR_SCTP: | |
cf62fa4c | 547 | odp_set_sctp(packet, nl_attr_get(a), |
6d670e7f JR |
548 | get_mask(a, struct ovs_key_sctp)); |
549 | break; | |
550 | ||
551 | case OVS_KEY_ATTR_MPLS: | |
cf62fa4c | 552 | mh = dp_packet_l2_5(packet); |
6d670e7f JR |
553 | if (mh) { |
554 | put_16aligned_be32(&mh->mpls_lse, nl_attr_get_be32(a) | |
555 | | (get_16aligned_be32(&mh->mpls_lse) | |
556 | & ~*get_mask(a, ovs_be32))); | |
557 | } | |
558 | break; | |
559 | ||
560 | case OVS_KEY_ATTR_ARP: | |
cf62fa4c | 561 | set_arp(packet, nl_attr_get(a), |
6d670e7f JR |
562 | get_mask(a, struct ovs_key_arp)); |
563 | break; | |
564 | ||
e60e935b | 565 | case OVS_KEY_ATTR_ND: |
cf62fa4c | 566 | odp_set_nd(packet, nl_attr_get(a), |
e60e935b SRCSA |
567 | get_mask(a, struct ovs_key_nd)); |
568 | break; | |
569 | ||
9b2b8497 VDA |
570 | case OVS_KEY_ATTR_ND_EXTENSIONS: |
571 | odp_set_nd_ext(packet, nl_attr_get(a), | |
572 | get_mask(a, struct ovs_key_nd_extensions)); | |
573 | break; | |
574 | ||
6d670e7f | 575 | case OVS_KEY_ATTR_DP_HASH: |
f7c2f97d | 576 | md->dp_hash = nl_attr_get_u32(a) |
2bc1bbd2 | 577 | | (md->dp_hash & ~*get_mask(a, uint32_t)); |
6d670e7f JR |
578 | break; |
579 | ||
580 | case OVS_KEY_ATTR_RECIRC_ID: | |
581 | md->recirc_id = nl_attr_get_u32(a) | |
582 | | (md->recirc_id & ~*get_mask(a, uint32_t)); | |
583 | break; | |
584 | ||
585 | case OVS_KEY_ATTR_TUNNEL: /* Masked data not supported for tunnel. */ | |
beb75a40 | 586 | case OVS_KEY_ATTR_PACKET_TYPE: |
6d670e7f | 587 | case OVS_KEY_ATTR_UNSPEC: |
07659514 JS |
588 | case OVS_KEY_ATTR_CT_STATE: |
589 | case OVS_KEY_ATTR_CT_ZONE: | |
8e53fe8c | 590 | case OVS_KEY_ATTR_CT_MARK: |
9daf2348 | 591 | case OVS_KEY_ATTR_CT_LABELS: |
c30b4cea JR |
592 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: |
593 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: | |
6d670e7f JR |
594 | case OVS_KEY_ATTR_ENCAP: |
595 | case OVS_KEY_ATTR_ETHERTYPE: | |
596 | case OVS_KEY_ATTR_IN_PORT: | |
597 | case OVS_KEY_ATTR_VLAN: | |
598 | case OVS_KEY_ATTR_ICMP: | |
599 | case OVS_KEY_ATTR_ICMPV6: | |
6d670e7f JR |
600 | case OVS_KEY_ATTR_TCP_FLAGS: |
601 | case __OVS_KEY_ATTR_MAX: | |
602 | default: | |
603 | OVS_NOT_REACHED(); | |
604 | } | |
605 | } | |
606 | ||
f094af7b | 607 | static void |
e14deea0 | 608 | odp_execute_sample(void *dp, struct dp_packet *packet, bool steal, |
41ccaa24 | 609 | const struct nlattr *action, |
1164afb6 | 610 | odp_execute_cb dp_execute_action) |
f094af7b SH |
611 | { |
612 | const struct nlattr *subactions = NULL; | |
613 | const struct nlattr *a; | |
1895cc8d | 614 | struct dp_packet_batch pb; |
f094af7b SH |
615 | size_t left; |
616 | ||
617 | NL_NESTED_FOR_EACH_UNSAFE (a, left, action) { | |
618 | int type = nl_attr_type(a); | |
619 | ||
620 | switch ((enum ovs_sample_attr) type) { | |
621 | case OVS_SAMPLE_ATTR_PROBABILITY: | |
622 | if (random_uint32() >= nl_attr_get_u32(a)) { | |
1164afb6 | 623 | if (steal) { |
e14deea0 | 624 | dp_packet_delete(packet); |
1164afb6 | 625 | } |
f094af7b SH |
626 | return; |
627 | } | |
628 | break; | |
629 | ||
630 | case OVS_SAMPLE_ATTR_ACTIONS: | |
631 | subactions = a; | |
632 | break; | |
633 | ||
634 | case OVS_SAMPLE_ATTR_UNSPEC: | |
635 | case __OVS_SAMPLE_ATTR_MAX: | |
636 | default: | |
428b2edd | 637 | OVS_NOT_REACHED(); |
f094af7b SH |
638 | } |
639 | } | |
640 | ||
70a0573d AZ |
641 | if (!steal) { |
642 | /* The 'subactions' may modify the packet, but the modification | |
643 | * should not propagate beyond this sample action. Make a copy | |
644 | * the packet in case we don't own the packet, so that the | |
645 | * 'subactions' are only applid to the clone. 'odp_execute_actions' | |
646 | * will free the clone. */ | |
647 | packet = dp_packet_clone(packet); | |
648 | } | |
72c84bc2 | 649 | dp_packet_batch_init_packet(&pb, packet); |
70a0573d | 650 | odp_execute_actions(dp, &pb, true, nl_attr_get(subactions), |
1164afb6 | 651 | nl_attr_get_size(subactions), dp_execute_action); |
f094af7b SH |
652 | } |
653 | ||
535e3acf | 654 | static void |
911b7e9b | 655 | odp_execute_clone(void *dp, struct dp_packet_batch *batch, bool steal, |
535e3acf AZ |
656 | const struct nlattr *actions, |
657 | odp_execute_cb dp_execute_action) | |
658 | { | |
535e3acf AZ |
659 | if (!steal) { |
660 | /* The 'actions' may modify the packet, but the modification | |
661 | * should not propagate beyond this clone action. Make a copy | |
662 | * the packet in case we don't own the packet, so that the | |
663 | * 'actions' are only applied to the clone. 'odp_execute_actions' | |
664 | * will free the clone. */ | |
911b7e9b SC |
665 | struct dp_packet_batch clone_pkt_batch; |
666 | dp_packet_batch_clone(&clone_pkt_batch, batch); | |
667 | dp_packet_batch_reset_cutlen(batch); | |
668 | odp_execute_actions(dp, &clone_pkt_batch, true, nl_attr_get(actions), | |
535e3acf | 669 | nl_attr_get_size(actions), dp_execute_action); |
911b7e9b SC |
670 | } |
671 | else { | |
672 | odp_execute_actions(dp, batch, true, nl_attr_get(actions), | |
673 | nl_attr_get_size(actions), dp_execute_action); | |
674 | } | |
535e3acf AZ |
675 | } |
676 | ||
5b34f8fc NS |
677 | static void |
678 | odp_execute_check_pkt_len(void *dp, struct dp_packet *packet, bool steal, | |
679 | const struct nlattr *action, | |
680 | odp_execute_cb dp_execute_action) | |
681 | { | |
682 | static const struct nl_policy ovs_cpl_policy[] = { | |
683 | [OVS_CHECK_PKT_LEN_ATTR_PKT_LEN] = { .type = NL_A_U16 }, | |
684 | [OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER] = { .type = NL_A_NESTED }, | |
685 | [OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL] | |
686 | = { .type = NL_A_NESTED }, | |
687 | }; | |
688 | struct nlattr *attrs[ARRAY_SIZE(ovs_cpl_policy)]; | |
689 | ||
690 | if (!nl_parse_nested(action, ovs_cpl_policy, attrs, ARRAY_SIZE(attrs))) { | |
691 | OVS_NOT_REACHED(); | |
692 | } | |
693 | ||
694 | const struct nlattr *a; | |
695 | struct dp_packet_batch pb; | |
696 | ||
697 | a = attrs[OVS_CHECK_PKT_LEN_ATTR_PKT_LEN]; | |
698 | bool is_greater = dp_packet_size(packet) > nl_attr_get_u16(a); | |
699 | if (is_greater) { | |
700 | a = attrs[OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER]; | |
701 | } else { | |
702 | a = attrs[OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL]; | |
703 | } | |
704 | ||
705 | if (!steal) { | |
706 | /* The 'subactions' may modify the packet, but the modification | |
707 | * should not propagate beyond this action. Make a copy | |
708 | * the packet in case we don't own the packet, so that the | |
709 | * 'subactions' are only applid to check_pkt_len. 'odp_execute_actions' | |
710 | * will free the clone. */ | |
711 | packet = dp_packet_clone(packet); | |
712 | } | |
713 | /* If nl_attr_get(a) is NULL, the packet will be freed by | |
714 | * odp_execute_actions. */ | |
715 | dp_packet_batch_init_packet(&pb, packet); | |
716 | odp_execute_actions(dp, &pb, true, nl_attr_get(a), nl_attr_get_size(a), | |
717 | dp_execute_action); | |
718 | } | |
719 | ||
db8bb9a5 JS |
720 | static bool |
721 | requires_datapath_assistance(const struct nlattr *a) | |
722 | { | |
723 | enum ovs_action_attr type = nl_attr_type(a); | |
724 | ||
725 | switch (type) { | |
726 | /* These only make sense in the context of a datapath. */ | |
727 | case OVS_ACTION_ATTR_OUTPUT: | |
728 | case OVS_ACTION_ATTR_TUNNEL_PUSH: | |
729 | case OVS_ACTION_ATTR_TUNNEL_POP: | |
730 | case OVS_ACTION_ATTR_USERSPACE: | |
731 | case OVS_ACTION_ATTR_RECIRC: | |
07659514 | 732 | case OVS_ACTION_ATTR_CT: |
5dddf960 | 733 | case OVS_ACTION_ATTR_METER: |
db8bb9a5 JS |
734 | return true; |
735 | ||
736 | case OVS_ACTION_ATTR_SET: | |
737 | case OVS_ACTION_ATTR_SET_MASKED: | |
738 | case OVS_ACTION_ATTR_PUSH_VLAN: | |
739 | case OVS_ACTION_ATTR_POP_VLAN: | |
740 | case OVS_ACTION_ATTR_SAMPLE: | |
741 | case OVS_ACTION_ATTR_HASH: | |
742 | case OVS_ACTION_ATTR_PUSH_MPLS: | |
743 | case OVS_ACTION_ATTR_POP_MPLS: | |
aaca4fe0 | 744 | case OVS_ACTION_ATTR_TRUNC: |
6fcecb85 YY |
745 | case OVS_ACTION_ATTR_PUSH_ETH: |
746 | case OVS_ACTION_ATTR_POP_ETH: | |
535e3acf | 747 | case OVS_ACTION_ATTR_CLONE: |
f59cb331 YY |
748 | case OVS_ACTION_ATTR_PUSH_NSH: |
749 | case OVS_ACTION_ATTR_POP_NSH: | |
1fe178d2 | 750 | case OVS_ACTION_ATTR_CT_CLEAR: |
5b34f8fc | 751 | case OVS_ACTION_ATTR_CHECK_PKT_LEN: |
db8bb9a5 JS |
752 | return false; |
753 | ||
754 | case OVS_ACTION_ATTR_UNSPEC: | |
755 | case __OVS_ACTION_ATTR_MAX: | |
756 | OVS_NOT_REACHED(); | |
757 | } | |
758 | ||
759 | return false; | |
760 | } | |
761 | ||
78b76327 BP |
762 | /* Executes all of the 'actions_len' bytes of datapath actions in 'actions' on |
763 | * the packets in 'batch'. If 'steal' is true, possibly modifies and | |
764 | * definitely free the packets in 'batch', otherwise leaves 'batch' unchanged. | |
765 | * | |
766 | * Some actions (e.g. output actions) can only be executed by a datapath. This | |
767 | * function implements those actions by passing the action and the packets to | |
768 | * 'dp_execute_action' (along with 'dp'). If 'dp_execute_action' is passed a | |
a8ab5889 DB |
769 | * true 'steal' parameter then it must definitely free the packets passed into |
770 | * it. The packet can be modified whether 'steal' is false or true. If a | |
771 | * packet is removed from the batch, then the fate of the packet is determined | |
772 | * by the code that does this removal, irrespective of the value of 'steal'. | |
773 | * Otherwise, if the packet is not removed from the batch and 'steal' is false | |
774 | * then the packet could either be cloned or not. */ | |
1164afb6 | 775 | void |
1895cc8d | 776 | odp_execute_actions(void *dp, struct dp_packet_batch *batch, bool steal, |
1164afb6 DDP |
777 | const struct nlattr *actions, size_t actions_len, |
778 | odp_execute_cb dp_execute_action) | |
f094af7b | 779 | { |
72c84bc2 | 780 | struct dp_packet *packet; |
f094af7b SH |
781 | const struct nlattr *a; |
782 | unsigned int left; | |
8cbf4f47 | 783 | |
f094af7b SH |
784 | NL_ATTR_FOR_EACH_UNSAFE (a, left, actions, actions_len) { |
785 | int type = nl_attr_type(a); | |
1164afb6 | 786 | bool last_action = (left <= NLA_ALIGN(a->nla_len)); |
f094af7b | 787 | |
db8bb9a5 | 788 | if (requires_datapath_assistance(a)) { |
09f9da0b JR |
789 | if (dp_execute_action) { |
790 | /* Allow 'dp_execute_action' to steal the packet data if we do | |
791 | * not need it any more. */ | |
7d7ded7a | 792 | bool should_steal = steal && last_action; |
1164afb6 | 793 | |
7d7ded7a | 794 | dp_execute_action(dp, batch, a, should_steal); |
1164afb6 | 795 | |
1270b6e5 | 796 | if (last_action || dp_packet_batch_is_empty(batch)) { |
e5fd79c5 VDA |
797 | /* We do not need to free the packets. |
798 | * Either dp_execute_actions() has stolen them | |
799 | * or the batch is freed due to errors. In either | |
800 | * case we do not need to execute further actions. | |
801 | */ | |
1164afb6 DDP |
802 | return; |
803 | } | |
c51876c3 | 804 | } |
db8bb9a5 JS |
805 | continue; |
806 | } | |
f094af7b | 807 | |
db8bb9a5 | 808 | switch ((enum ovs_action_attr) type) { |
6a0b0d3b | 809 | |
c6bf49f3 AZ |
810 | case OVS_ACTION_ATTR_HASH: { |
811 | const struct ovs_action_hash *hash_act = nl_attr_get(a); | |
812 | ||
6a0b0d3b | 813 | /* Calculate a hash value directly. This might not match the |
c6bf49f3 AZ |
814 | * value computed by the datapath, but it is much less expensive, |
815 | * and the current use case (bonding) does not require a strict | |
816 | * match to work properly. */ | |
6a0b0d3b JS |
817 | switch (hash_act->hash_alg) { |
818 | case OVS_HASH_ALG_L4: { | |
c6bf49f3 AZ |
819 | struct flow flow; |
820 | uint32_t hash; | |
821 | ||
e883448e | 822 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
95a6cb34 IM |
823 | /* RSS hash can be used here instead of 5tuple for |
824 | * performance reasons. */ | |
825 | if (dp_packet_rss_valid(packet)) { | |
826 | hash = dp_packet_get_rss_hash(packet); | |
827 | hash = hash_int(hash, hash_act->hash_basis); | |
828 | } else { | |
829 | flow_extract(packet, &flow); | |
830 | hash = flow_hash_5tuple(&flow, hash_act->hash_basis); | |
831 | } | |
72c84bc2 | 832 | packet->md.dp_hash = hash; |
8cbf4f47 | 833 | } |
6a0b0d3b JS |
834 | break; |
835 | } | |
836 | case OVS_HASH_ALG_SYM_L4: { | |
837 | struct flow flow; | |
838 | uint32_t hash; | |
839 | ||
840 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { | |
841 | flow_extract(packet, &flow); | |
842 | hash = flow_hash_symmetric_l3l4(&flow, | |
843 | hash_act->hash_basis, | |
844 | false); | |
845 | packet->md.dp_hash = hash; | |
846 | } | |
847 | break; | |
848 | } | |
849 | default: | |
c6bf49f3 AZ |
850 | /* Assert on unknown hash algorithm. */ |
851 | OVS_NOT_REACHED(); | |
852 | } | |
853 | break; | |
854 | } | |
855 | ||
f094af7b SH |
856 | case OVS_ACTION_ATTR_PUSH_VLAN: { |
857 | const struct ovs_action_push_vlan *vlan = nl_attr_get(a); | |
8cbf4f47 | 858 | |
e883448e | 859 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 860 | eth_push_vlan(packet, vlan->vlan_tpid, vlan->vlan_tci); |
8cbf4f47 | 861 | } |
f094af7b SH |
862 | break; |
863 | } | |
864 | ||
865 | case OVS_ACTION_ATTR_POP_VLAN: | |
e883448e | 866 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 867 | eth_pop_vlan(packet); |
8cbf4f47 | 868 | } |
f094af7b SH |
869 | break; |
870 | ||
871 | case OVS_ACTION_ATTR_PUSH_MPLS: { | |
872 | const struct ovs_action_push_mpls *mpls = nl_attr_get(a); | |
8cbf4f47 | 873 | |
e883448e | 874 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 875 | push_mpls(packet, mpls->mpls_ethertype, mpls->mpls_lse); |
8cbf4f47 | 876 | } |
f094af7b SH |
877 | break; |
878 | } | |
879 | ||
880 | case OVS_ACTION_ATTR_POP_MPLS: | |
e883448e | 881 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 882 | pop_mpls(packet, nl_attr_get_be16(a)); |
8cbf4f47 | 883 | } |
f094af7b SH |
884 | break; |
885 | ||
886 | case OVS_ACTION_ATTR_SET: | |
e883448e | 887 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 888 | odp_execute_set_action(packet, nl_attr_get(a)); |
6d670e7f JR |
889 | } |
890 | break; | |
891 | ||
892 | case OVS_ACTION_ATTR_SET_MASKED: | |
e883448e | 893 | DP_PACKET_BATCH_FOR_EACH(i, packet, batch) { |
72c84bc2 | 894 | odp_execute_masked_set_action(packet, nl_attr_get(a)); |
8cbf4f47 | 895 | } |
f094af7b SH |
896 | break; |
897 | ||
898 | case OVS_ACTION_ATTR_SAMPLE: | |
e883448e | 899 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 900 | odp_execute_sample(dp, packet, steal && last_action, a, |
1164afb6 DDP |
901 | dp_execute_action); |
902 | } | |
903 | ||
904 | if (last_action) { | |
905 | /* We do not need to free the packets. odp_execute_sample() has | |
906 | * stolen them*/ | |
907 | return; | |
8cbf4f47 | 908 | } |
f094af7b SH |
909 | break; |
910 | ||
aaca4fe0 WT |
911 | case OVS_ACTION_ATTR_TRUNC: { |
912 | const struct ovs_action_trunc *trunc = | |
913 | nl_attr_get_unspec(a, sizeof *trunc); | |
914 | ||
915 | batch->trunc = true; | |
e883448e | 916 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 917 | dp_packet_set_cutlen(packet, trunc->max_len); |
aaca4fe0 WT |
918 | } |
919 | break; | |
920 | } | |
921 | ||
535e3acf | 922 | case OVS_ACTION_ATTR_CLONE: |
911b7e9b SC |
923 | odp_execute_clone(dp, batch, steal && last_action, a, |
924 | dp_execute_action); | |
535e3acf AZ |
925 | if (last_action) { |
926 | /* We do not need to free the packets. odp_execute_clone() has | |
927 | * stolen them. */ | |
928 | return; | |
929 | } | |
760ba862 | 930 | break; |
5dddf960 JR |
931 | case OVS_ACTION_ATTR_METER: |
932 | /* Not implemented yet. */ | |
535e3acf | 933 | break; |
88fc5281 JS |
934 | case OVS_ACTION_ATTR_PUSH_ETH: { |
935 | const struct ovs_action_push_eth *eth = nl_attr_get(a); | |
936 | ||
e883448e | 937 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
88fc5281 JS |
938 | push_eth(packet, ð->addresses.eth_dst, |
939 | ð->addresses.eth_src); | |
940 | } | |
941 | break; | |
942 | } | |
943 | ||
944 | case OVS_ACTION_ATTR_POP_ETH: | |
e883448e | 945 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
88fc5281 JS |
946 | pop_eth(packet); |
947 | } | |
948 | break; | |
535e3acf | 949 | |
f59cb331 YY |
950 | case OVS_ACTION_ATTR_PUSH_NSH: { |
951 | uint32_t buffer[NSH_HDR_MAX_LEN / 4]; | |
952 | struct nsh_hdr *nsh_hdr = ALIGNED_CAST(struct nsh_hdr *, buffer); | |
953 | nsh_reset_ver_flags_ttl_len(nsh_hdr); | |
954 | odp_nsh_hdr_from_attr(nl_attr_get(a), nsh_hdr, NSH_HDR_MAX_LEN); | |
e883448e | 955 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
f59cb331 | 956 | push_nsh(packet, nsh_hdr); |
1fc11c59 JS |
957 | } |
958 | break; | |
959 | } | |
f59cb331 | 960 | case OVS_ACTION_ATTR_POP_NSH: { |
95e620b4 BB |
961 | size_t i; |
962 | const size_t num = dp_packet_batch_size(batch); | |
1fc11c59 JS |
963 | |
964 | DP_PACKET_BATCH_REFILL_FOR_EACH (i, num, packet, batch) { | |
f59cb331 | 965 | if (pop_nsh(packet)) { |
1fc11c59 JS |
966 | dp_packet_batch_refill(batch, packet, i); |
967 | } else { | |
968 | dp_packet_delete(packet); | |
969 | } | |
970 | } | |
971 | break; | |
972 | } | |
1fe178d2 | 973 | case OVS_ACTION_ATTR_CT_CLEAR: |
e883448e | 974 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
1fe178d2 EG |
975 | conntrack_clear(packet); |
976 | } | |
977 | break; | |
1fc11c59 | 978 | |
5b34f8fc NS |
979 | case OVS_ACTION_ATTR_CHECK_PKT_LEN: |
980 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { | |
981 | odp_execute_check_pkt_len(dp, packet, steal && last_action, a, | |
982 | dp_execute_action); | |
983 | } | |
984 | ||
985 | if (last_action) { | |
986 | /* We do not need to free the packets. | |
987 | * odp_execute_check_pkt_len() has stolen them. */ | |
988 | return; | |
989 | } | |
990 | break; | |
991 | ||
db8bb9a5 JS |
992 | case OVS_ACTION_ATTR_OUTPUT: |
993 | case OVS_ACTION_ATTR_TUNNEL_PUSH: | |
994 | case OVS_ACTION_ATTR_TUNNEL_POP: | |
995 | case OVS_ACTION_ATTR_USERSPACE: | |
996 | case OVS_ACTION_ATTR_RECIRC: | |
07659514 | 997 | case OVS_ACTION_ATTR_CT: |
f094af7b SH |
998 | case OVS_ACTION_ATTR_UNSPEC: |
999 | case __OVS_ACTION_ATTR_MAX: | |
428b2edd | 1000 | OVS_NOT_REACHED(); |
f094af7b SH |
1001 | } |
1002 | } | |
8cbf4f47 | 1003 | |
72c84bc2 | 1004 | dp_packet_delete_batch(batch, steal); |
da546e07 | 1005 | } |