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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 | { | |
500db308 | 201 | ovs_assert(odp_tun_key_from_attr(a, tun_key) != 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 | ||
e60e935b | 230 | static void |
cf62fa4c | 231 | odp_set_nd(struct dp_packet *packet, const struct ovs_key_nd *key, |
e60e935b SRCSA |
232 | const struct ovs_key_nd *mask) |
233 | { | |
cf62fa4c | 234 | const struct ovs_nd_msg *ns = dp_packet_l4(packet); |
86d46f3c | 235 | const struct ovs_nd_lla_opt *lla_opt = dp_packet_get_nd_payload(packet); |
e60e935b | 236 | |
86d46f3c | 237 | if (OVS_LIKELY(ns && lla_opt)) { |
cf62fa4c | 238 | int bytes_remain = dp_packet_l4_size(packet) - sizeof(*ns); |
932c96b7 | 239 | struct in6_addr tgt_buf; |
74ff3298 JR |
240 | struct eth_addr sll_buf = eth_addr_zero; |
241 | struct eth_addr tll_buf = eth_addr_zero; | |
e60e935b | 242 | |
86d46f3c ZKL |
243 | while (bytes_remain >= ND_LLA_OPT_LEN && lla_opt->len != 0) { |
244 | if (lla_opt->type == ND_OPT_SOURCE_LINKADDR | |
245 | && lla_opt->len == 1) { | |
246 | sll_buf = lla_opt->mac; | |
74ff3298 | 247 | ether_addr_copy_masked(&sll_buf, key->nd_sll, mask->nd_sll); |
e60e935b SRCSA |
248 | |
249 | /* A packet can only contain one SLL or TLL option */ | |
250 | break; | |
86d46f3c ZKL |
251 | } else if (lla_opt->type == ND_OPT_TARGET_LINKADDR |
252 | && lla_opt->len == 1) { | |
253 | tll_buf = lla_opt->mac; | |
74ff3298 | 254 | ether_addr_copy_masked(&tll_buf, key->nd_tll, mask->nd_tll); |
e60e935b SRCSA |
255 | |
256 | /* A packet can only contain one SLL or TLL option */ | |
257 | break; | |
258 | } | |
259 | ||
86d46f3c ZKL |
260 | lla_opt += lla_opt->len; |
261 | bytes_remain -= lla_opt->len * ND_LLA_OPT_LEN; | |
e60e935b SRCSA |
262 | } |
263 | ||
264 | packet_set_nd(packet, | |
932c96b7 JR |
265 | mask_ipv6_addr(ns->target.be32, &key->nd_target, |
266 | &mask->nd_target, &tgt_buf), | |
e60e935b SRCSA |
267 | sll_buf, |
268 | tll_buf); | |
269 | } | |
270 | } | |
271 | ||
3d2fbd70 JS |
272 | /* Set the NSH header. Assumes the NSH header is present and matches the |
273 | * MD format of the key. The slow path must take case of that. */ | |
274 | static void | |
81fdabb9 | 275 | odp_set_nsh(struct dp_packet *packet, const struct nlattr *a, bool has_mask) |
3d2fbd70 | 276 | { |
81fdabb9 | 277 | struct ovs_key_nsh key, mask; |
3d2fbd70 | 278 | struct nsh_hdr *nsh = dp_packet_l3(packet); |
9a180f2c | 279 | uint8_t mdtype = nsh_md_type(nsh); |
f59cb331 | 280 | ovs_be32 path_hdr; |
3d2fbd70 | 281 | |
81fdabb9 YY |
282 | if (has_mask) { |
283 | odp_nsh_key_from_attr(a, &key, &mask); | |
284 | } else { | |
285 | odp_nsh_key_from_attr(a, &key, NULL); | |
286 | } | |
287 | ||
288 | if (!has_mask) { | |
289 | nsh_set_flags_and_ttl(nsh, key.flags, key.ttl); | |
290 | put_16aligned_be32(&nsh->path_hdr, key.path_hdr); | |
9a180f2c | 291 | switch (mdtype) { |
3d2fbd70 JS |
292 | case NSH_M_TYPE1: |
293 | for (int i = 0; i < 4; i++) { | |
81fdabb9 | 294 | put_16aligned_be32(&nsh->md1.context[i], key.context[i]); |
3d2fbd70 JS |
295 | } |
296 | break; | |
297 | case NSH_M_TYPE2: | |
3d2fbd70 | 298 | default: |
1fc11c59 JS |
299 | /* No support for setting any other metadata format yet. */ |
300 | break; | |
3d2fbd70 JS |
301 | } |
302 | } else { | |
17553f27 YY |
303 | uint8_t flags = nsh_get_flags(nsh); |
304 | uint8_t ttl = nsh_get_ttl(nsh); | |
305 | ||
81fdabb9 YY |
306 | flags = key.flags | (flags & ~mask.flags); |
307 | ttl = key.ttl | (ttl & ~mask.ttl); | |
17553f27 | 308 | nsh_set_flags_and_ttl(nsh, flags, ttl); |
3d2fbd70 | 309 | |
17553f27 YY |
310 | uint32_t spi = ntohl(nsh_get_spi(nsh)); |
311 | uint8_t si = nsh_get_si(nsh); | |
81fdabb9 YY |
312 | uint32_t spi_mask = nsh_path_hdr_to_spi_uint32(mask.path_hdr); |
313 | uint8_t si_mask = nsh_path_hdr_to_si(mask.path_hdr); | |
f59cb331 YY |
314 | if (spi_mask == 0x00ffffff) { |
315 | spi_mask = UINT32_MAX; | |
316 | } | |
81fdabb9 YY |
317 | spi = nsh_path_hdr_to_spi_uint32(key.path_hdr) | (spi & ~spi_mask); |
318 | si = nsh_path_hdr_to_si(key.path_hdr) | (si & ~si_mask); | |
17553f27 YY |
319 | path_hdr = nsh_get_path_hdr(nsh); |
320 | nsh_path_hdr_set_spi(&path_hdr, htonl(spi)); | |
321 | nsh_path_hdr_set_si(&path_hdr, si); | |
3d2fbd70 | 322 | put_16aligned_be32(&nsh->path_hdr, path_hdr); |
9a180f2c | 323 | switch (mdtype) { |
3d2fbd70 JS |
324 | case NSH_M_TYPE1: |
325 | for (int i = 0; i < 4; i++) { | |
f59cb331 | 326 | ovs_be32 p = get_16aligned_be32(&nsh->md1.context[i]); |
81fdabb9 YY |
327 | ovs_be32 k = key.context[i]; |
328 | ovs_be32 m = mask.context[i]; | |
f59cb331 | 329 | put_16aligned_be32(&nsh->md1.context[i], k | (p & ~m)); |
3d2fbd70 JS |
330 | } |
331 | break; | |
332 | case NSH_M_TYPE2: | |
3d2fbd70 | 333 | default: |
1fc11c59 JS |
334 | /* No support for setting any other metadata format yet. */ |
335 | break; | |
3d2fbd70 JS |
336 | } |
337 | } | |
338 | } | |
339 | ||
6c13071b | 340 | static void |
e14deea0 | 341 | odp_execute_set_action(struct dp_packet *packet, const struct nlattr *a) |
f094af7b SH |
342 | { |
343 | enum ovs_key_attr type = nl_attr_type(a); | |
344 | const struct ovs_key_ipv4 *ipv4_key; | |
345 | const struct ovs_key_ipv6 *ipv6_key; | |
41ccaa24 | 346 | struct pkt_metadata *md = &packet->md; |
f094af7b SH |
347 | |
348 | switch (type) { | |
349 | case OVS_KEY_ATTR_PRIORITY: | |
09f9da0b | 350 | md->skb_priority = nl_attr_get_u32(a); |
6c13071b SH |
351 | break; |
352 | ||
f094af7b | 353 | case OVS_KEY_ATTR_TUNNEL: |
09f9da0b | 354 | odp_set_tunnel_action(a, &md->tunnel); |
6c13071b SH |
355 | break; |
356 | ||
f094af7b | 357 | case OVS_KEY_ATTR_SKB_MARK: |
09f9da0b | 358 | md->pkt_mark = nl_attr_get_u32(a); |
f094af7b SH |
359 | break; |
360 | ||
361 | case OVS_KEY_ATTR_ETHERNET: | |
cf62fa4c | 362 | odp_eth_set_addrs(packet, nl_attr_get(a), NULL); |
f094af7b SH |
363 | break; |
364 | ||
f59cb331 | 365 | case OVS_KEY_ATTR_NSH: { |
81fdabb9 | 366 | odp_set_nsh(packet, a, false); |
3d2fbd70 | 367 | break; |
f59cb331 | 368 | } |
3d2fbd70 | 369 | |
f094af7b SH |
370 | case OVS_KEY_ATTR_IPV4: |
371 | ipv4_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv4)); | |
cf62fa4c | 372 | packet_set_ipv4(packet, ipv4_key->ipv4_src, |
91088554 DDP |
373 | ipv4_key->ipv4_dst, ipv4_key->ipv4_tos, |
374 | ipv4_key->ipv4_ttl); | |
f094af7b SH |
375 | break; |
376 | ||
377 | case OVS_KEY_ATTR_IPV6: | |
378 | ipv6_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv6)); | |
932c96b7 | 379 | packet_set_ipv6(packet, &ipv6_key->ipv6_src, &ipv6_key->ipv6_dst, |
91088554 DDP |
380 | ipv6_key->ipv6_tclass, ipv6_key->ipv6_label, |
381 | ipv6_key->ipv6_hlimit); | |
f094af7b SH |
382 | break; |
383 | ||
384 | case OVS_KEY_ATTR_TCP: | |
cf62fa4c | 385 | if (OVS_LIKELY(dp_packet_get_tcp_payload(packet))) { |
b8778a0d JR |
386 | const struct ovs_key_tcp *tcp_key |
387 | = nl_attr_get_unspec(a, sizeof(struct ovs_key_tcp)); | |
388 | ||
cf62fa4c | 389 | packet_set_tcp_port(packet, tcp_key->tcp_src, |
b8778a0d JR |
390 | tcp_key->tcp_dst); |
391 | } | |
f094af7b SH |
392 | break; |
393 | ||
2b06df54 | 394 | case OVS_KEY_ATTR_UDP: |
cf62fa4c | 395 | if (OVS_LIKELY(dp_packet_get_udp_payload(packet))) { |
b8778a0d JR |
396 | const struct ovs_key_udp *udp_key |
397 | = nl_attr_get_unspec(a, sizeof(struct ovs_key_udp)); | |
398 | ||
cf62fa4c | 399 | packet_set_udp_port(packet, udp_key->udp_src, |
b8778a0d JR |
400 | udp_key->udp_dst); |
401 | } | |
f094af7b SH |
402 | break; |
403 | ||
c6bcb685 | 404 | case OVS_KEY_ATTR_SCTP: |
cf62fa4c | 405 | if (OVS_LIKELY(dp_packet_get_sctp_payload(packet))) { |
b8778a0d JR |
406 | const struct ovs_key_sctp *sctp_key |
407 | = nl_attr_get_unspec(a, sizeof(struct ovs_key_sctp)); | |
408 | ||
cf62fa4c | 409 | packet_set_sctp_port(packet, sctp_key->sctp_src, |
b8778a0d JR |
410 | sctp_key->sctp_dst); |
411 | } | |
c6bcb685 JS |
412 | break; |
413 | ||
2b06df54 | 414 | case OVS_KEY_ATTR_MPLS: |
cf62fa4c | 415 | set_mpls_lse(packet, nl_attr_get_be32(a)); |
6d670e7f | 416 | break; |
f094af7b | 417 | |
f6c8a6b1 | 418 | case OVS_KEY_ATTR_ARP: |
cf62fa4c | 419 | set_arp(packet, nl_attr_get(a), NULL); |
f6c8a6b1 BP |
420 | break; |
421 | ||
f6ecf944 JP |
422 | case OVS_KEY_ATTR_ICMP: |
423 | case OVS_KEY_ATTR_ICMPV6: | |
424 | if (OVS_LIKELY(dp_packet_get_icmp_payload(packet))) { | |
425 | const struct ovs_key_icmp *icmp_key | |
426 | = nl_attr_get_unspec(a, sizeof(struct ovs_key_icmp)); | |
427 | ||
428 | packet_set_icmp(packet, icmp_key->icmp_type, icmp_key->icmp_code); | |
429 | } | |
430 | break; | |
431 | ||
e60e935b | 432 | case OVS_KEY_ATTR_ND: |
cf62fa4c | 433 | if (OVS_LIKELY(dp_packet_get_nd_payload(packet))) { |
e60e935b SRCSA |
434 | const struct ovs_key_nd *nd_key |
435 | = nl_attr_get_unspec(a, sizeof(struct ovs_key_nd)); | |
932c96b7 | 436 | packet_set_nd(packet, &nd_key->nd_target, nd_key->nd_sll, |
74ff3298 | 437 | nd_key->nd_tll); |
e60e935b SRCSA |
438 | } |
439 | break; | |
440 | ||
572f732a | 441 | case OVS_KEY_ATTR_DP_HASH: |
61a2647e | 442 | md->dp_hash = nl_attr_get_u32(a); |
572f732a AZ |
443 | break; |
444 | ||
445 | case OVS_KEY_ATTR_RECIRC_ID: | |
446 | md->recirc_id = nl_attr_get_u32(a); | |
447 | break; | |
448 | ||
2b06df54 | 449 | case OVS_KEY_ATTR_UNSPEC: |
beb75a40 | 450 | case OVS_KEY_ATTR_PACKET_TYPE: |
2b06df54 JS |
451 | case OVS_KEY_ATTR_ENCAP: |
452 | case OVS_KEY_ATTR_ETHERTYPE: | |
453 | case OVS_KEY_ATTR_IN_PORT: | |
454 | case OVS_KEY_ATTR_VLAN: | |
dc235f7f | 455 | case OVS_KEY_ATTR_TCP_FLAGS: |
07659514 | 456 | case OVS_KEY_ATTR_CT_STATE: |
c30b4cea JR |
457 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: |
458 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: | |
07659514 | 459 | case OVS_KEY_ATTR_CT_ZONE: |
8e53fe8c | 460 | case OVS_KEY_ATTR_CT_MARK: |
9daf2348 | 461 | case OVS_KEY_ATTR_CT_LABELS: |
2b06df54 JS |
462 | case __OVS_KEY_ATTR_MAX: |
463 | default: | |
428b2edd | 464 | OVS_NOT_REACHED(); |
f094af7b SH |
465 | } |
466 | } | |
467 | ||
6d670e7f JR |
468 | #define get_mask(a, type) ((const type *)(const void *)(a + 1) + 1) |
469 | ||
470 | static void | |
e14deea0 | 471 | odp_execute_masked_set_action(struct dp_packet *packet, |
41ccaa24 | 472 | const struct nlattr *a) |
6d670e7f | 473 | { |
41ccaa24 | 474 | struct pkt_metadata *md = &packet->md; |
6d670e7f JR |
475 | enum ovs_key_attr type = nl_attr_type(a); |
476 | struct mpls_hdr *mh; | |
477 | ||
478 | switch (type) { | |
479 | case OVS_KEY_ATTR_PRIORITY: | |
480 | md->skb_priority = nl_attr_get_u32(a) | |
481 | | (md->skb_priority & ~*get_mask(a, uint32_t)); | |
482 | break; | |
483 | ||
484 | case OVS_KEY_ATTR_SKB_MARK: | |
485 | md->pkt_mark = nl_attr_get_u32(a) | |
486 | | (md->pkt_mark & ~*get_mask(a, uint32_t)); | |
487 | break; | |
488 | ||
489 | case OVS_KEY_ATTR_ETHERNET: | |
cf62fa4c | 490 | odp_eth_set_addrs(packet, nl_attr_get(a), |
6d670e7f JR |
491 | get_mask(a, struct ovs_key_ethernet)); |
492 | break; | |
493 | ||
f59cb331 | 494 | case OVS_KEY_ATTR_NSH: { |
81fdabb9 | 495 | odp_set_nsh(packet, a, true); |
3d2fbd70 | 496 | break; |
f59cb331 | 497 | } |
3d2fbd70 | 498 | |
6d670e7f | 499 | case OVS_KEY_ATTR_IPV4: |
cf62fa4c | 500 | odp_set_ipv4(packet, nl_attr_get(a), |
6d670e7f JR |
501 | get_mask(a, struct ovs_key_ipv4)); |
502 | break; | |
503 | ||
504 | case OVS_KEY_ATTR_IPV6: | |
cf62fa4c | 505 | odp_set_ipv6(packet, nl_attr_get(a), |
6d670e7f JR |
506 | get_mask(a, struct ovs_key_ipv6)); |
507 | break; | |
508 | ||
509 | case OVS_KEY_ATTR_TCP: | |
cf62fa4c | 510 | odp_set_tcp(packet, nl_attr_get(a), |
6d670e7f JR |
511 | get_mask(a, struct ovs_key_tcp)); |
512 | break; | |
513 | ||
514 | case OVS_KEY_ATTR_UDP: | |
cf62fa4c | 515 | odp_set_udp(packet, nl_attr_get(a), |
6d670e7f JR |
516 | get_mask(a, struct ovs_key_udp)); |
517 | break; | |
518 | ||
519 | case OVS_KEY_ATTR_SCTP: | |
cf62fa4c | 520 | odp_set_sctp(packet, nl_attr_get(a), |
6d670e7f JR |
521 | get_mask(a, struct ovs_key_sctp)); |
522 | break; | |
523 | ||
524 | case OVS_KEY_ATTR_MPLS: | |
cf62fa4c | 525 | mh = dp_packet_l2_5(packet); |
6d670e7f JR |
526 | if (mh) { |
527 | put_16aligned_be32(&mh->mpls_lse, nl_attr_get_be32(a) | |
528 | | (get_16aligned_be32(&mh->mpls_lse) | |
529 | & ~*get_mask(a, ovs_be32))); | |
530 | } | |
531 | break; | |
532 | ||
533 | case OVS_KEY_ATTR_ARP: | |
cf62fa4c | 534 | set_arp(packet, nl_attr_get(a), |
6d670e7f JR |
535 | get_mask(a, struct ovs_key_arp)); |
536 | break; | |
537 | ||
e60e935b | 538 | case OVS_KEY_ATTR_ND: |
cf62fa4c | 539 | odp_set_nd(packet, nl_attr_get(a), |
e60e935b SRCSA |
540 | get_mask(a, struct ovs_key_nd)); |
541 | break; | |
542 | ||
6d670e7f | 543 | case OVS_KEY_ATTR_DP_HASH: |
f7c2f97d | 544 | md->dp_hash = nl_attr_get_u32(a) |
2bc1bbd2 | 545 | | (md->dp_hash & ~*get_mask(a, uint32_t)); |
6d670e7f JR |
546 | break; |
547 | ||
548 | case OVS_KEY_ATTR_RECIRC_ID: | |
549 | md->recirc_id = nl_attr_get_u32(a) | |
550 | | (md->recirc_id & ~*get_mask(a, uint32_t)); | |
551 | break; | |
552 | ||
553 | case OVS_KEY_ATTR_TUNNEL: /* Masked data not supported for tunnel. */ | |
beb75a40 | 554 | case OVS_KEY_ATTR_PACKET_TYPE: |
6d670e7f | 555 | case OVS_KEY_ATTR_UNSPEC: |
07659514 JS |
556 | case OVS_KEY_ATTR_CT_STATE: |
557 | case OVS_KEY_ATTR_CT_ZONE: | |
8e53fe8c | 558 | case OVS_KEY_ATTR_CT_MARK: |
9daf2348 | 559 | case OVS_KEY_ATTR_CT_LABELS: |
c30b4cea JR |
560 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: |
561 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: | |
6d670e7f JR |
562 | case OVS_KEY_ATTR_ENCAP: |
563 | case OVS_KEY_ATTR_ETHERTYPE: | |
564 | case OVS_KEY_ATTR_IN_PORT: | |
565 | case OVS_KEY_ATTR_VLAN: | |
566 | case OVS_KEY_ATTR_ICMP: | |
567 | case OVS_KEY_ATTR_ICMPV6: | |
6d670e7f JR |
568 | case OVS_KEY_ATTR_TCP_FLAGS: |
569 | case __OVS_KEY_ATTR_MAX: | |
570 | default: | |
571 | OVS_NOT_REACHED(); | |
572 | } | |
573 | } | |
574 | ||
f094af7b | 575 | static void |
e14deea0 | 576 | odp_execute_sample(void *dp, struct dp_packet *packet, bool steal, |
41ccaa24 | 577 | const struct nlattr *action, |
1164afb6 | 578 | odp_execute_cb dp_execute_action) |
f094af7b SH |
579 | { |
580 | const struct nlattr *subactions = NULL; | |
581 | const struct nlattr *a; | |
1895cc8d | 582 | struct dp_packet_batch pb; |
f094af7b SH |
583 | size_t left; |
584 | ||
585 | NL_NESTED_FOR_EACH_UNSAFE (a, left, action) { | |
586 | int type = nl_attr_type(a); | |
587 | ||
588 | switch ((enum ovs_sample_attr) type) { | |
589 | case OVS_SAMPLE_ATTR_PROBABILITY: | |
590 | if (random_uint32() >= nl_attr_get_u32(a)) { | |
1164afb6 | 591 | if (steal) { |
e14deea0 | 592 | dp_packet_delete(packet); |
1164afb6 | 593 | } |
f094af7b SH |
594 | return; |
595 | } | |
596 | break; | |
597 | ||
598 | case OVS_SAMPLE_ATTR_ACTIONS: | |
599 | subactions = a; | |
600 | break; | |
601 | ||
602 | case OVS_SAMPLE_ATTR_UNSPEC: | |
603 | case __OVS_SAMPLE_ATTR_MAX: | |
604 | default: | |
428b2edd | 605 | OVS_NOT_REACHED(); |
f094af7b SH |
606 | } |
607 | } | |
608 | ||
70a0573d AZ |
609 | if (!steal) { |
610 | /* The 'subactions' may modify the packet, but the modification | |
611 | * should not propagate beyond this sample action. Make a copy | |
612 | * the packet in case we don't own the packet, so that the | |
613 | * 'subactions' are only applid to the clone. 'odp_execute_actions' | |
614 | * will free the clone. */ | |
615 | packet = dp_packet_clone(packet); | |
616 | } | |
72c84bc2 | 617 | dp_packet_batch_init_packet(&pb, packet); |
70a0573d | 618 | odp_execute_actions(dp, &pb, true, nl_attr_get(subactions), |
1164afb6 | 619 | nl_attr_get_size(subactions), dp_execute_action); |
f094af7b SH |
620 | } |
621 | ||
535e3acf | 622 | static void |
911b7e9b | 623 | odp_execute_clone(void *dp, struct dp_packet_batch *batch, bool steal, |
535e3acf AZ |
624 | const struct nlattr *actions, |
625 | odp_execute_cb dp_execute_action) | |
626 | { | |
535e3acf AZ |
627 | if (!steal) { |
628 | /* The 'actions' may modify the packet, but the modification | |
629 | * should not propagate beyond this clone action. Make a copy | |
630 | * the packet in case we don't own the packet, so that the | |
631 | * 'actions' are only applied to the clone. 'odp_execute_actions' | |
632 | * will free the clone. */ | |
911b7e9b SC |
633 | struct dp_packet_batch clone_pkt_batch; |
634 | dp_packet_batch_clone(&clone_pkt_batch, batch); | |
635 | dp_packet_batch_reset_cutlen(batch); | |
636 | odp_execute_actions(dp, &clone_pkt_batch, true, nl_attr_get(actions), | |
535e3acf | 637 | nl_attr_get_size(actions), dp_execute_action); |
911b7e9b SC |
638 | } |
639 | else { | |
640 | odp_execute_actions(dp, batch, true, nl_attr_get(actions), | |
641 | nl_attr_get_size(actions), dp_execute_action); | |
642 | } | |
535e3acf AZ |
643 | } |
644 | ||
db8bb9a5 JS |
645 | static bool |
646 | requires_datapath_assistance(const struct nlattr *a) | |
647 | { | |
648 | enum ovs_action_attr type = nl_attr_type(a); | |
649 | ||
650 | switch (type) { | |
651 | /* These only make sense in the context of a datapath. */ | |
652 | case OVS_ACTION_ATTR_OUTPUT: | |
653 | case OVS_ACTION_ATTR_TUNNEL_PUSH: | |
654 | case OVS_ACTION_ATTR_TUNNEL_POP: | |
655 | case OVS_ACTION_ATTR_USERSPACE: | |
656 | case OVS_ACTION_ATTR_RECIRC: | |
07659514 | 657 | case OVS_ACTION_ATTR_CT: |
5dddf960 | 658 | case OVS_ACTION_ATTR_METER: |
db8bb9a5 JS |
659 | return true; |
660 | ||
661 | case OVS_ACTION_ATTR_SET: | |
662 | case OVS_ACTION_ATTR_SET_MASKED: | |
663 | case OVS_ACTION_ATTR_PUSH_VLAN: | |
664 | case OVS_ACTION_ATTR_POP_VLAN: | |
665 | case OVS_ACTION_ATTR_SAMPLE: | |
666 | case OVS_ACTION_ATTR_HASH: | |
667 | case OVS_ACTION_ATTR_PUSH_MPLS: | |
668 | case OVS_ACTION_ATTR_POP_MPLS: | |
aaca4fe0 | 669 | case OVS_ACTION_ATTR_TRUNC: |
6fcecb85 YY |
670 | case OVS_ACTION_ATTR_PUSH_ETH: |
671 | case OVS_ACTION_ATTR_POP_ETH: | |
535e3acf | 672 | case OVS_ACTION_ATTR_CLONE: |
f59cb331 YY |
673 | case OVS_ACTION_ATTR_PUSH_NSH: |
674 | case OVS_ACTION_ATTR_POP_NSH: | |
1fe178d2 | 675 | case OVS_ACTION_ATTR_CT_CLEAR: |
db8bb9a5 JS |
676 | return false; |
677 | ||
678 | case OVS_ACTION_ATTR_UNSPEC: | |
679 | case __OVS_ACTION_ATTR_MAX: | |
680 | OVS_NOT_REACHED(); | |
681 | } | |
682 | ||
683 | return false; | |
684 | } | |
685 | ||
78b76327 BP |
686 | /* Executes all of the 'actions_len' bytes of datapath actions in 'actions' on |
687 | * the packets in 'batch'. If 'steal' is true, possibly modifies and | |
688 | * definitely free the packets in 'batch', otherwise leaves 'batch' unchanged. | |
689 | * | |
690 | * Some actions (e.g. output actions) can only be executed by a datapath. This | |
691 | * function implements those actions by passing the action and the packets to | |
692 | * 'dp_execute_action' (along with 'dp'). If 'dp_execute_action' is passed a | |
a8ab5889 DB |
693 | * true 'steal' parameter then it must definitely free the packets passed into |
694 | * it. The packet can be modified whether 'steal' is false or true. If a | |
695 | * packet is removed from the batch, then the fate of the packet is determined | |
696 | * by the code that does this removal, irrespective of the value of 'steal'. | |
697 | * Otherwise, if the packet is not removed from the batch and 'steal' is false | |
698 | * then the packet could either be cloned or not. */ | |
1164afb6 | 699 | void |
1895cc8d | 700 | odp_execute_actions(void *dp, struct dp_packet_batch *batch, bool steal, |
1164afb6 DDP |
701 | const struct nlattr *actions, size_t actions_len, |
702 | odp_execute_cb dp_execute_action) | |
f094af7b | 703 | { |
72c84bc2 | 704 | struct dp_packet *packet; |
f094af7b SH |
705 | const struct nlattr *a; |
706 | unsigned int left; | |
8cbf4f47 | 707 | |
f094af7b SH |
708 | NL_ATTR_FOR_EACH_UNSAFE (a, left, actions, actions_len) { |
709 | int type = nl_attr_type(a); | |
1164afb6 | 710 | bool last_action = (left <= NLA_ALIGN(a->nla_len)); |
f094af7b | 711 | |
db8bb9a5 | 712 | if (requires_datapath_assistance(a)) { |
09f9da0b JR |
713 | if (dp_execute_action) { |
714 | /* Allow 'dp_execute_action' to steal the packet data if we do | |
715 | * not need it any more. */ | |
7d7ded7a | 716 | bool should_steal = steal && last_action; |
1164afb6 | 717 | |
7d7ded7a | 718 | dp_execute_action(dp, batch, a, should_steal); |
1164afb6 | 719 | |
e5fd79c5 VDA |
720 | if (last_action || batch->count == 0) { |
721 | /* We do not need to free the packets. | |
722 | * Either dp_execute_actions() has stolen them | |
723 | * or the batch is freed due to errors. In either | |
724 | * case we do not need to execute further actions. | |
725 | */ | |
1164afb6 DDP |
726 | return; |
727 | } | |
c51876c3 | 728 | } |
db8bb9a5 JS |
729 | continue; |
730 | } | |
f094af7b | 731 | |
db8bb9a5 | 732 | switch ((enum ovs_action_attr) type) { |
6a0b0d3b | 733 | |
c6bf49f3 AZ |
734 | case OVS_ACTION_ATTR_HASH: { |
735 | const struct ovs_action_hash *hash_act = nl_attr_get(a); | |
736 | ||
6a0b0d3b | 737 | /* Calculate a hash value directly. This might not match the |
c6bf49f3 AZ |
738 | * value computed by the datapath, but it is much less expensive, |
739 | * and the current use case (bonding) does not require a strict | |
740 | * match to work properly. */ | |
6a0b0d3b JS |
741 | switch (hash_act->hash_alg) { |
742 | case OVS_HASH_ALG_L4: { | |
c6bf49f3 AZ |
743 | struct flow flow; |
744 | uint32_t hash; | |
745 | ||
e883448e | 746 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
95a6cb34 IM |
747 | /* RSS hash can be used here instead of 5tuple for |
748 | * performance reasons. */ | |
749 | if (dp_packet_rss_valid(packet)) { | |
750 | hash = dp_packet_get_rss_hash(packet); | |
751 | hash = hash_int(hash, hash_act->hash_basis); | |
752 | } else { | |
753 | flow_extract(packet, &flow); | |
754 | hash = flow_hash_5tuple(&flow, hash_act->hash_basis); | |
755 | } | |
72c84bc2 | 756 | packet->md.dp_hash = hash; |
8cbf4f47 | 757 | } |
6a0b0d3b JS |
758 | break; |
759 | } | |
760 | case OVS_HASH_ALG_SYM_L4: { | |
761 | struct flow flow; | |
762 | uint32_t hash; | |
763 | ||
764 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { | |
765 | flow_extract(packet, &flow); | |
766 | hash = flow_hash_symmetric_l3l4(&flow, | |
767 | hash_act->hash_basis, | |
768 | false); | |
769 | packet->md.dp_hash = hash; | |
770 | } | |
771 | break; | |
772 | } | |
773 | default: | |
c6bf49f3 AZ |
774 | /* Assert on unknown hash algorithm. */ |
775 | OVS_NOT_REACHED(); | |
776 | } | |
777 | break; | |
778 | } | |
779 | ||
f094af7b SH |
780 | case OVS_ACTION_ATTR_PUSH_VLAN: { |
781 | const struct ovs_action_push_vlan *vlan = nl_attr_get(a); | |
8cbf4f47 | 782 | |
e883448e | 783 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 784 | eth_push_vlan(packet, vlan->vlan_tpid, vlan->vlan_tci); |
8cbf4f47 | 785 | } |
f094af7b SH |
786 | break; |
787 | } | |
788 | ||
789 | case OVS_ACTION_ATTR_POP_VLAN: | |
e883448e | 790 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 791 | eth_pop_vlan(packet); |
8cbf4f47 | 792 | } |
f094af7b SH |
793 | break; |
794 | ||
795 | case OVS_ACTION_ATTR_PUSH_MPLS: { | |
796 | const struct ovs_action_push_mpls *mpls = nl_attr_get(a); | |
8cbf4f47 | 797 | |
e883448e | 798 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 799 | push_mpls(packet, mpls->mpls_ethertype, mpls->mpls_lse); |
8cbf4f47 | 800 | } |
f094af7b SH |
801 | break; |
802 | } | |
803 | ||
804 | case OVS_ACTION_ATTR_POP_MPLS: | |
e883448e | 805 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 806 | pop_mpls(packet, nl_attr_get_be16(a)); |
8cbf4f47 | 807 | } |
f094af7b SH |
808 | break; |
809 | ||
810 | case OVS_ACTION_ATTR_SET: | |
e883448e | 811 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 812 | odp_execute_set_action(packet, nl_attr_get(a)); |
6d670e7f JR |
813 | } |
814 | break; | |
815 | ||
816 | case OVS_ACTION_ATTR_SET_MASKED: | |
e883448e | 817 | DP_PACKET_BATCH_FOR_EACH(i, packet, batch) { |
72c84bc2 | 818 | odp_execute_masked_set_action(packet, nl_attr_get(a)); |
8cbf4f47 | 819 | } |
f094af7b SH |
820 | break; |
821 | ||
822 | case OVS_ACTION_ATTR_SAMPLE: | |
e883448e | 823 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 824 | odp_execute_sample(dp, packet, steal && last_action, a, |
1164afb6 DDP |
825 | dp_execute_action); |
826 | } | |
827 | ||
828 | if (last_action) { | |
829 | /* We do not need to free the packets. odp_execute_sample() has | |
830 | * stolen them*/ | |
831 | return; | |
8cbf4f47 | 832 | } |
f094af7b SH |
833 | break; |
834 | ||
aaca4fe0 WT |
835 | case OVS_ACTION_ATTR_TRUNC: { |
836 | const struct ovs_action_trunc *trunc = | |
837 | nl_attr_get_unspec(a, sizeof *trunc); | |
838 | ||
839 | batch->trunc = true; | |
e883448e | 840 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 841 | dp_packet_set_cutlen(packet, trunc->max_len); |
aaca4fe0 WT |
842 | } |
843 | break; | |
844 | } | |
845 | ||
535e3acf | 846 | case OVS_ACTION_ATTR_CLONE: |
911b7e9b SC |
847 | odp_execute_clone(dp, batch, steal && last_action, a, |
848 | dp_execute_action); | |
535e3acf AZ |
849 | if (last_action) { |
850 | /* We do not need to free the packets. odp_execute_clone() has | |
851 | * stolen them. */ | |
852 | return; | |
853 | } | |
760ba862 | 854 | break; |
5dddf960 JR |
855 | case OVS_ACTION_ATTR_METER: |
856 | /* Not implemented yet. */ | |
535e3acf | 857 | break; |
88fc5281 JS |
858 | case OVS_ACTION_ATTR_PUSH_ETH: { |
859 | const struct ovs_action_push_eth *eth = nl_attr_get(a); | |
860 | ||
e883448e | 861 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
88fc5281 JS |
862 | push_eth(packet, ð->addresses.eth_dst, |
863 | ð->addresses.eth_src); | |
864 | } | |
865 | break; | |
866 | } | |
867 | ||
868 | case OVS_ACTION_ATTR_POP_ETH: | |
e883448e | 869 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
88fc5281 JS |
870 | pop_eth(packet); |
871 | } | |
872 | break; | |
535e3acf | 873 | |
f59cb331 YY |
874 | case OVS_ACTION_ATTR_PUSH_NSH: { |
875 | uint32_t buffer[NSH_HDR_MAX_LEN / 4]; | |
876 | struct nsh_hdr *nsh_hdr = ALIGNED_CAST(struct nsh_hdr *, buffer); | |
877 | nsh_reset_ver_flags_ttl_len(nsh_hdr); | |
878 | odp_nsh_hdr_from_attr(nl_attr_get(a), nsh_hdr, NSH_HDR_MAX_LEN); | |
e883448e | 879 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
f59cb331 | 880 | push_nsh(packet, nsh_hdr); |
1fc11c59 JS |
881 | } |
882 | break; | |
883 | } | |
f59cb331 | 884 | case OVS_ACTION_ATTR_POP_NSH: { |
95e620b4 BB |
885 | size_t i; |
886 | const size_t num = dp_packet_batch_size(batch); | |
1fc11c59 JS |
887 | |
888 | DP_PACKET_BATCH_REFILL_FOR_EACH (i, num, packet, batch) { | |
f59cb331 | 889 | if (pop_nsh(packet)) { |
1fc11c59 JS |
890 | dp_packet_batch_refill(batch, packet, i); |
891 | } else { | |
892 | dp_packet_delete(packet); | |
893 | } | |
894 | } | |
895 | break; | |
896 | } | |
1fe178d2 | 897 | case OVS_ACTION_ATTR_CT_CLEAR: |
e883448e | 898 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
1fe178d2 EG |
899 | conntrack_clear(packet); |
900 | } | |
901 | break; | |
1fc11c59 | 902 | |
db8bb9a5 JS |
903 | case OVS_ACTION_ATTR_OUTPUT: |
904 | case OVS_ACTION_ATTR_TUNNEL_PUSH: | |
905 | case OVS_ACTION_ATTR_TUNNEL_POP: | |
906 | case OVS_ACTION_ATTR_USERSPACE: | |
907 | case OVS_ACTION_ATTR_RECIRC: | |
07659514 | 908 | case OVS_ACTION_ATTR_CT: |
f094af7b SH |
909 | case OVS_ACTION_ATTR_UNSPEC: |
910 | case __OVS_ACTION_ATTR_MAX: | |
428b2edd | 911 | OVS_NOT_REACHED(); |
f094af7b SH |
912 | } |
913 | } | |
8cbf4f47 | 914 | |
72c84bc2 | 915 | dp_packet_delete_batch(batch, steal); |
da546e07 | 916 | } |