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>
28 #include "unaligned.h"
32 odp_eth_set_addrs(struct ofpbuf *packet, const struct ovs_key_ethernet *eth_key)
34 struct eth_header *eh = packet->l2;
36 memcpy(eh->eth_src, eth_key->eth_src, sizeof eh->eth_src);
37 memcpy(eh->eth_dst, eth_key->eth_dst, sizeof eh->eth_dst);
41 odp_set_tunnel_action(const struct nlattr *a, struct flow_tnl *tun_key)
43 enum odp_key_fitness fitness;
45 fitness = odp_tun_key_from_attr(a, tun_key);
46 ovs_assert(fitness != ODP_FIT_ERROR);
50 set_arp(struct ofpbuf *packet, const struct ovs_key_arp *arp_key)
52 struct arp_eth_header *arp = packet->l3;
54 arp->ar_op = arp_key->arp_op;
55 memcpy(arp->ar_sha, arp_key->arp_sha, ETH_ADDR_LEN);
56 put_16aligned_be32(&arp->ar_spa, arp_key->arp_sip);
57 memcpy(arp->ar_tha, arp_key->arp_tha, ETH_ADDR_LEN);
58 put_16aligned_be32(&arp->ar_tpa, arp_key->arp_tip);
62 odp_execute_set_action(struct ofpbuf *packet, const struct nlattr *a,
65 enum ovs_key_attr type = nl_attr_type(a);
66 const struct ovs_key_ipv4 *ipv4_key;
67 const struct ovs_key_ipv6 *ipv6_key;
68 const struct ovs_key_tcp *tcp_key;
69 const struct ovs_key_udp *udp_key;
70 const struct ovs_key_sctp *sctp_key;
73 case OVS_KEY_ATTR_PRIORITY:
74 flow->skb_priority = nl_attr_get_u32(a);
77 case OVS_KEY_ATTR_TUNNEL:
78 odp_set_tunnel_action(a, &flow->tunnel);
81 case OVS_KEY_ATTR_SKB_MARK:
82 flow->pkt_mark = nl_attr_get_u32(a);
85 case OVS_KEY_ATTR_ETHERNET:
86 odp_eth_set_addrs(packet,
87 nl_attr_get_unspec(a, sizeof(struct ovs_key_ethernet)));
90 case OVS_KEY_ATTR_IPV4:
91 ipv4_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv4));
92 packet_set_ipv4(packet, ipv4_key->ipv4_src, ipv4_key->ipv4_dst,
93 ipv4_key->ipv4_tos, ipv4_key->ipv4_ttl);
96 case OVS_KEY_ATTR_IPV6:
97 ipv6_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv6));
98 packet_set_ipv6(packet, ipv6_key->ipv6_proto, ipv6_key->ipv6_src,
99 ipv6_key->ipv6_dst, ipv6_key->ipv6_tclass,
100 ipv6_key->ipv6_label, ipv6_key->ipv6_hlimit);
103 case OVS_KEY_ATTR_TCP:
104 tcp_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_tcp));
105 packet_set_tcp_port(packet, tcp_key->tcp_src, tcp_key->tcp_dst);
108 case OVS_KEY_ATTR_UDP:
109 udp_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_udp));
110 packet_set_udp_port(packet, udp_key->udp_src, udp_key->udp_dst);
113 case OVS_KEY_ATTR_SCTP:
114 sctp_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_sctp));
115 packet_set_sctp_port(packet, sctp_key->sctp_src, sctp_key->sctp_dst);
118 case OVS_KEY_ATTR_MPLS:
119 set_mpls_lse(packet, nl_attr_get_be32(a));
122 case OVS_KEY_ATTR_ARP:
123 set_arp(packet, nl_attr_get_unspec(a, sizeof(struct ovs_key_arp)));
126 case OVS_KEY_ATTR_UNSPEC:
127 case OVS_KEY_ATTR_ENCAP:
128 case OVS_KEY_ATTR_ETHERTYPE:
129 case OVS_KEY_ATTR_IN_PORT:
130 case OVS_KEY_ATTR_VLAN:
131 case OVS_KEY_ATTR_ICMP:
132 case OVS_KEY_ATTR_ICMPV6:
133 case OVS_KEY_ATTR_ND:
134 case __OVS_KEY_ATTR_MAX:
141 odp_execute_sample(void *dp, struct ofpbuf *packet, struct flow *key,
142 const struct nlattr *action,
143 void (*output)(void *dp, struct ofpbuf *packet,
144 const struct flow *key,
145 odp_port_t out_port),
146 void (*userspace)(void *dp, struct ofpbuf *packet,
147 const struct flow *key,
148 const struct nlattr *action))
150 const struct nlattr *subactions = NULL;
151 const struct nlattr *a;
154 NL_NESTED_FOR_EACH_UNSAFE (a, left, action) {
155 int type = nl_attr_type(a);
157 switch ((enum ovs_sample_attr) type) {
158 case OVS_SAMPLE_ATTR_PROBABILITY:
159 if (random_uint32() >= nl_attr_get_u32(a)) {
164 case OVS_SAMPLE_ATTR_ACTIONS:
168 case OVS_SAMPLE_ATTR_UNSPEC:
169 case __OVS_SAMPLE_ATTR_MAX:
175 odp_execute_actions(dp, packet, key, nl_attr_get(subactions),
176 nl_attr_get_size(subactions), output, userspace);
180 odp_execute_actions(void *dp, struct ofpbuf *packet, struct flow *key,
181 const struct nlattr *actions, size_t actions_len,
182 void (*output)(void *dp, struct ofpbuf *packet,
183 const struct flow *key,
184 odp_port_t out_port),
185 void (*userspace)(void *dp, struct ofpbuf *packet,
186 const struct flow *key,
187 const struct nlattr *action))
189 const struct nlattr *a;
192 NL_ATTR_FOR_EACH_UNSAFE (a, left, actions, actions_len) {
193 int type = nl_attr_type(a);
195 switch ((enum ovs_action_attr) type) {
196 case OVS_ACTION_ATTR_OUTPUT:
198 output(dp, packet, key, u32_to_odp(nl_attr_get_u32(a)));
202 case OVS_ACTION_ATTR_USERSPACE: {
204 userspace(dp, packet, key, a);
209 case OVS_ACTION_ATTR_PUSH_VLAN: {
210 const struct ovs_action_push_vlan *vlan = nl_attr_get(a);
211 eth_push_vlan(packet, vlan->vlan_tci);
215 case OVS_ACTION_ATTR_POP_VLAN:
216 eth_pop_vlan(packet);
219 case OVS_ACTION_ATTR_PUSH_MPLS: {
220 const struct ovs_action_push_mpls *mpls = nl_attr_get(a);
221 push_mpls(packet, mpls->mpls_ethertype, mpls->mpls_lse);
225 case OVS_ACTION_ATTR_POP_MPLS:
226 pop_mpls(packet, nl_attr_get_be16(a));
229 case OVS_ACTION_ATTR_SET:
230 odp_execute_set_action(packet, nl_attr_get(a), key);
233 case OVS_ACTION_ATTR_SAMPLE:
234 odp_execute_sample(dp, packet, key, a, output, userspace);
237 case OVS_ACTION_ATTR_UNSPEC:
238 case __OVS_ACTION_ATTR_MAX: