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>
30 odp_eth_set_addrs(struct ofpbuf *packet, const struct ovs_key_ethernet *eth_key)
32 struct eth_header *eh = packet->l2;
34 memcpy(eh->eth_src, eth_key->eth_src, sizeof eh->eth_src);
35 memcpy(eh->eth_dst, eth_key->eth_dst, sizeof eh->eth_dst);
39 odp_execute_set_action(struct ofpbuf *packet, const struct nlattr *a)
41 enum ovs_key_attr type = nl_attr_type(a);
42 const struct ovs_key_ipv4 *ipv4_key;
43 const struct ovs_key_ipv6 *ipv6_key;
44 const struct ovs_key_tcp *tcp_key;
45 const struct ovs_key_udp *udp_key;
48 case OVS_KEY_ATTR_PRIORITY:
49 case OVS_KEY_ATTR_TUNNEL:
50 case OVS_KEY_ATTR_SKB_MARK:
54 case OVS_KEY_ATTR_ETHERNET:
55 odp_eth_set_addrs(packet,
56 nl_attr_get_unspec(a, sizeof(struct ovs_key_ethernet)));
59 case OVS_KEY_ATTR_IPV4:
60 ipv4_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv4));
61 packet_set_ipv4(packet, ipv4_key->ipv4_src, ipv4_key->ipv4_dst,
62 ipv4_key->ipv4_tos, ipv4_key->ipv4_ttl);
65 case OVS_KEY_ATTR_IPV6:
66 ipv6_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv6));
67 packet_set_ipv6(packet, ipv6_key->ipv6_proto, ipv6_key->ipv6_src,
68 ipv6_key->ipv6_dst, ipv6_key->ipv6_tclass,
69 ipv6_key->ipv6_label, ipv6_key->ipv6_hlimit);
72 case OVS_KEY_ATTR_TCP:
73 tcp_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_tcp));
74 packet_set_tcp_port(packet, tcp_key->tcp_src, tcp_key->tcp_dst);
77 case OVS_KEY_ATTR_UDP:
78 udp_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_udp));
79 packet_set_udp_port(packet, udp_key->udp_src, udp_key->udp_dst);
82 case OVS_KEY_ATTR_MPLS:
83 set_mpls_lse(packet, nl_attr_get_be32(a));
86 case OVS_KEY_ATTR_UNSPEC:
87 case OVS_KEY_ATTR_ENCAP:
88 case OVS_KEY_ATTR_ETHERTYPE:
89 case OVS_KEY_ATTR_IN_PORT:
90 case OVS_KEY_ATTR_VLAN:
91 case OVS_KEY_ATTR_ICMP:
92 case OVS_KEY_ATTR_ICMPV6:
93 case OVS_KEY_ATTR_ARP:
95 case __OVS_KEY_ATTR_MAX:
102 odp_execute_sample(void *dp, struct ofpbuf *packet, struct flow *key,
103 const struct nlattr *action,
104 void (*output)(void *dp, struct ofpbuf *packet,
106 void (*userspace)(void *dp, struct ofpbuf *packet,
107 const struct flow *key,
108 const struct nlattr *a))
110 const struct nlattr *subactions = NULL;
111 const struct nlattr *a;
114 NL_NESTED_FOR_EACH_UNSAFE (a, left, action) {
115 int type = nl_attr_type(a);
117 switch ((enum ovs_sample_attr) type) {
118 case OVS_SAMPLE_ATTR_PROBABILITY:
119 if (random_uint32() >= nl_attr_get_u32(a)) {
124 case OVS_SAMPLE_ATTR_ACTIONS:
128 case OVS_SAMPLE_ATTR_UNSPEC:
129 case __OVS_SAMPLE_ATTR_MAX:
135 odp_execute_actions(dp, packet, key, nl_attr_get(subactions),
136 nl_attr_get_size(subactions), output, userspace);
140 odp_execute_actions(void *dp, struct ofpbuf *packet, struct flow *key,
141 const struct nlattr *actions, size_t actions_len,
142 void (*output)(void *dp, struct ofpbuf *packet,
144 void (*userspace)(void *dp, struct ofpbuf *packet,
145 const struct flow *key,
146 const struct nlattr *a))
148 const struct nlattr *a;
151 NL_ATTR_FOR_EACH_UNSAFE (a, left, actions, actions_len) {
152 int type = nl_attr_type(a);
154 switch ((enum ovs_action_attr) type) {
155 case OVS_ACTION_ATTR_OUTPUT:
156 output(dp, packet, nl_attr_get_u32(a));
159 case OVS_ACTION_ATTR_USERSPACE: {
160 const struct nlattr *userdata;
162 userdata = nl_attr_find_nested(a, OVS_USERSPACE_ATTR_USERDATA);
163 userspace(dp, packet, key, userdata);
167 case OVS_ACTION_ATTR_PUSH_VLAN: {
168 const struct ovs_action_push_vlan *vlan = nl_attr_get(a);
169 eth_push_vlan(packet, vlan->vlan_tci);
173 case OVS_ACTION_ATTR_POP_VLAN:
174 eth_pop_vlan(packet);
177 case OVS_ACTION_ATTR_PUSH_MPLS: {
178 const struct ovs_action_push_mpls *mpls = nl_attr_get(a);
179 push_mpls(packet, mpls->mpls_ethertype, mpls->mpls_lse);
183 case OVS_ACTION_ATTR_POP_MPLS:
184 pop_mpls(packet, nl_attr_get_be16(a));
187 case OVS_ACTION_ATTR_SET:
188 odp_execute_set_action(packet, nl_attr_get(a));
191 case OVS_ACTION_ATTR_SAMPLE:
192 odp_execute_sample(dp, packet, key, a, output, userspace);
195 case OVS_ACTION_ATTR_UNSPEC:
196 case __OVS_ACTION_ATTR_MAX: