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;
57 const struct ovs_key_sctp *sctp_key;
60 case OVS_KEY_ATTR_PRIORITY:
61 flow->skb_priority = nl_attr_get_u32(a);
64 case OVS_KEY_ATTR_TUNNEL:
65 odp_set_tunnel_action(a, &flow->tunnel);
68 case OVS_KEY_ATTR_SKB_MARK:
69 flow->pkt_mark = nl_attr_get_u32(a);
72 case OVS_KEY_ATTR_ETHERNET:
73 odp_eth_set_addrs(packet,
74 nl_attr_get_unspec(a, sizeof(struct ovs_key_ethernet)));
77 case OVS_KEY_ATTR_IPV4:
78 ipv4_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv4));
79 packet_set_ipv4(packet, ipv4_key->ipv4_src, ipv4_key->ipv4_dst,
80 ipv4_key->ipv4_tos, ipv4_key->ipv4_ttl);
83 case OVS_KEY_ATTR_IPV6:
84 ipv6_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv6));
85 packet_set_ipv6(packet, ipv6_key->ipv6_proto, ipv6_key->ipv6_src,
86 ipv6_key->ipv6_dst, ipv6_key->ipv6_tclass,
87 ipv6_key->ipv6_label, ipv6_key->ipv6_hlimit);
90 case OVS_KEY_ATTR_TCP:
91 tcp_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_tcp));
92 packet_set_tcp_port(packet, tcp_key->tcp_src, tcp_key->tcp_dst);
95 case OVS_KEY_ATTR_UDP:
96 udp_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_udp));
97 packet_set_udp_port(packet, udp_key->udp_src, udp_key->udp_dst);
100 case OVS_KEY_ATTR_SCTP:
101 sctp_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_sctp));
102 packet_set_sctp_port(packet, sctp_key->sctp_src, sctp_key->sctp_dst);
105 case OVS_KEY_ATTR_MPLS:
106 set_mpls_lse(packet, nl_attr_get_be32(a));
109 case OVS_KEY_ATTR_UNSPEC:
110 case OVS_KEY_ATTR_ENCAP:
111 case OVS_KEY_ATTR_ETHERTYPE:
112 case OVS_KEY_ATTR_IN_PORT:
113 case OVS_KEY_ATTR_VLAN:
114 case OVS_KEY_ATTR_ICMP:
115 case OVS_KEY_ATTR_ICMPV6:
116 case OVS_KEY_ATTR_ARP:
117 case OVS_KEY_ATTR_ND:
118 case __OVS_KEY_ATTR_MAX:
125 odp_execute_sample(void *dp, struct ofpbuf *packet, struct flow *key,
126 const struct nlattr *action,
127 void (*output)(void *dp, struct ofpbuf *packet,
129 void (*userspace)(void *dp, struct ofpbuf *packet,
130 const struct flow *key,
131 const struct nlattr *a))
133 const struct nlattr *subactions = NULL;
134 const struct nlattr *a;
137 NL_NESTED_FOR_EACH_UNSAFE (a, left, action) {
138 int type = nl_attr_type(a);
140 switch ((enum ovs_sample_attr) type) {
141 case OVS_SAMPLE_ATTR_PROBABILITY:
142 if (random_uint32() >= nl_attr_get_u32(a)) {
147 case OVS_SAMPLE_ATTR_ACTIONS:
151 case OVS_SAMPLE_ATTR_UNSPEC:
152 case __OVS_SAMPLE_ATTR_MAX:
158 odp_execute_actions(dp, packet, key, nl_attr_get(subactions),
159 nl_attr_get_size(subactions), output, userspace);
163 odp_execute_actions(void *dp, struct ofpbuf *packet, struct flow *key,
164 const struct nlattr *actions, size_t actions_len,
165 void (*output)(void *dp, struct ofpbuf *packet,
167 void (*userspace)(void *dp, struct ofpbuf *packet,
168 const struct flow *key,
169 const struct nlattr *a))
171 const struct nlattr *a;
174 NL_ATTR_FOR_EACH_UNSAFE (a, left, actions, actions_len) {
175 int type = nl_attr_type(a);
177 switch ((enum ovs_action_attr) type) {
178 case OVS_ACTION_ATTR_OUTPUT:
180 output(dp, packet, nl_attr_get_u32(a));
184 case OVS_ACTION_ATTR_USERSPACE: {
186 const struct nlattr *userdata;
187 userdata = nl_attr_find_nested(a, OVS_USERSPACE_ATTR_USERDATA);
188 userspace(dp, packet, key, userdata);
193 case OVS_ACTION_ATTR_PUSH_VLAN: {
194 const struct ovs_action_push_vlan *vlan = nl_attr_get(a);
195 eth_push_vlan(packet, vlan->vlan_tci);
199 case OVS_ACTION_ATTR_POP_VLAN:
200 eth_pop_vlan(packet);
203 case OVS_ACTION_ATTR_PUSH_MPLS: {
204 const struct ovs_action_push_mpls *mpls = nl_attr_get(a);
205 push_mpls(packet, mpls->mpls_ethertype, mpls->mpls_lse);
209 case OVS_ACTION_ATTR_POP_MPLS:
210 pop_mpls(packet, nl_attr_get_be16(a));
213 case OVS_ACTION_ATTR_SET:
214 odp_execute_set_action(packet, nl_attr_get(a), key);
217 case OVS_ACTION_ATTR_SAMPLE:
218 odp_execute_sample(dp, packet, key, a, output, userspace);
221 case OVS_ACTION_ATTR_UNSPEC:
222 case __OVS_ACTION_ATTR_MAX: