2 * Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
3 * Copyright (c) 2013 Simon Horman
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:
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include "odp-execute.h"
20 #include <linux/openvswitch.h>
31 odp_eth_set_addrs(struct ofpbuf *packet, const struct ovs_key_ethernet *eth_key)
33 struct eth_header *eh = packet->l2;
35 memcpy(eh->eth_src, eth_key->eth_src, sizeof eh->eth_src);
36 memcpy(eh->eth_dst, eth_key->eth_dst, sizeof eh->eth_dst);
40 odp_set_tunnel_action(const struct nlattr *a, struct flow_tnl *tun_key)
42 enum odp_key_fitness fitness;
44 fitness = odp_tun_key_from_attr(a, tun_key);
45 ovs_assert(fitness != ODP_FIT_ERROR);
49 odp_execute_set_action(struct ofpbuf *packet, const struct nlattr *a,
52 enum ovs_key_attr type = nl_attr_type(a);
53 const struct ovs_key_ipv4 *ipv4_key;
54 const struct ovs_key_ipv6 *ipv6_key;
55 const struct ovs_key_tcp *tcp_key;
56 const struct ovs_key_udp *udp_key;
59 case OVS_KEY_ATTR_PRIORITY:
60 flow->skb_priority = nl_attr_get_u32(a);
63 case OVS_KEY_ATTR_TUNNEL:
64 odp_set_tunnel_action(a, &flow->tunnel);
67 case OVS_KEY_ATTR_SKB_MARK:
68 flow->skb_mark = nl_attr_get_u32(a);
71 case OVS_KEY_ATTR_ETHERNET:
72 odp_eth_set_addrs(packet,
73 nl_attr_get_unspec(a, sizeof(struct ovs_key_ethernet)));
76 case OVS_KEY_ATTR_IPV4:
77 ipv4_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv4));
78 packet_set_ipv4(packet, ipv4_key->ipv4_src, ipv4_key->ipv4_dst,
79 ipv4_key->ipv4_tos, ipv4_key->ipv4_ttl);
82 case OVS_KEY_ATTR_IPV6:
83 ipv6_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv6));
84 packet_set_ipv6(packet, ipv6_key->ipv6_proto, ipv6_key->ipv6_src,
85 ipv6_key->ipv6_dst, ipv6_key->ipv6_tclass,
86 ipv6_key->ipv6_label, ipv6_key->ipv6_hlimit);
89 case OVS_KEY_ATTR_TCP:
90 tcp_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_tcp));
91 packet_set_tcp_port(packet, tcp_key->tcp_src, tcp_key->tcp_dst);
94 case OVS_KEY_ATTR_UDP:
95 udp_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_udp));
96 packet_set_udp_port(packet, udp_key->udp_src, udp_key->udp_dst);
99 case OVS_KEY_ATTR_MPLS:
100 set_mpls_lse(packet, nl_attr_get_be32(a));
103 case OVS_KEY_ATTR_UNSPEC:
104 case OVS_KEY_ATTR_ENCAP:
105 case OVS_KEY_ATTR_ETHERTYPE:
106 case OVS_KEY_ATTR_IN_PORT:
107 case OVS_KEY_ATTR_VLAN:
108 case OVS_KEY_ATTR_ICMP:
109 case OVS_KEY_ATTR_ICMPV6:
110 case OVS_KEY_ATTR_ARP:
111 case OVS_KEY_ATTR_ND:
112 case __OVS_KEY_ATTR_MAX:
119 odp_execute_sample(void *dp, struct ofpbuf *packet, struct flow *key,
120 const struct nlattr *action,
121 void (*output)(void *dp, struct ofpbuf *packet,
123 void (*userspace)(void *dp, struct ofpbuf *packet,
124 const struct flow *key,
125 const struct nlattr *a))
127 const struct nlattr *subactions = NULL;
128 const struct nlattr *a;
131 NL_NESTED_FOR_EACH_UNSAFE (a, left, action) {
132 int type = nl_attr_type(a);
134 switch ((enum ovs_sample_attr) type) {
135 case OVS_SAMPLE_ATTR_PROBABILITY:
136 if (random_uint32() >= nl_attr_get_u32(a)) {
141 case OVS_SAMPLE_ATTR_ACTIONS:
145 case OVS_SAMPLE_ATTR_UNSPEC:
146 case __OVS_SAMPLE_ATTR_MAX:
152 odp_execute_actions(dp, packet, key, nl_attr_get(subactions),
153 nl_attr_get_size(subactions), output, userspace);
157 odp_execute_actions(void *dp, struct ofpbuf *packet, struct flow *key,
158 const struct nlattr *actions, size_t actions_len,
159 void (*output)(void *dp, struct ofpbuf *packet,
161 void (*userspace)(void *dp, struct ofpbuf *packet,
162 const struct flow *key,
163 const struct nlattr *a))
165 const struct nlattr *a;
168 NL_ATTR_FOR_EACH_UNSAFE (a, left, actions, actions_len) {
169 int type = nl_attr_type(a);
171 switch ((enum ovs_action_attr) type) {
172 case OVS_ACTION_ATTR_OUTPUT:
174 output(dp, packet, nl_attr_get_u32(a));
178 case OVS_ACTION_ATTR_USERSPACE: {
179 const struct nlattr *userdata;
181 userdata = nl_attr_find_nested(a, OVS_USERSPACE_ATTR_USERDATA);
182 userspace(dp, packet, key, userdata);
186 case OVS_ACTION_ATTR_PUSH_VLAN: {
187 const struct ovs_action_push_vlan *vlan = nl_attr_get(a);
188 eth_push_vlan(packet, vlan->vlan_tci);
192 case OVS_ACTION_ATTR_POP_VLAN:
193 eth_pop_vlan(packet);
196 case OVS_ACTION_ATTR_PUSH_MPLS: {
197 const struct ovs_action_push_mpls *mpls = nl_attr_get(a);
198 push_mpls(packet, mpls->mpls_ethertype, mpls->mpls_lse);
202 case OVS_ACTION_ATTR_POP_MPLS:
203 pop_mpls(packet, nl_attr_get_be16(a));
206 case OVS_ACTION_ATTR_SET:
207 odp_execute_set_action(packet, nl_attr_get(a), key);
210 case OVS_ACTION_ATTR_SAMPLE:
211 odp_execute_sample(dp, packet, key, a, output, userspace);
214 case OVS_ACTION_ATTR_UNSPEC:
215 case __OVS_ACTION_ATTR_MAX: