struct shash_node *node;
bool ipsec_mech_set = false;
ovs_be32 daddr = htonl(0);
+ ovs_be32 saddr = htonl(0);
uint32_t flags;
flags = TNL_F_DF_DEFAULT | TNL_F_PMTUD | TNL_F_HDR_CACHE;
if (lookup_ip(node->data, &in_addr)) {
VLOG_WARN("%s: bad %s 'local_ip'", name, type);
} else {
- nl_msg_put_be32(options, OVS_TUNNEL_ATTR_SRC_IPV4,
- in_addr.s_addr);
+ saddr = in_addr.s_addr;
}
} else if (!strcmp(node->name, "tos")) {
if (!strcmp(node->data, "inherit")) {
}
nl_msg_put_be32(options, OVS_TUNNEL_ATTR_DST_IPV4, daddr);
+ if (saddr) {
+ if (ip_is_multicast(daddr)) {
+ VLOG_WARN("%s: remote_ip is multicast, ignoring local_ip", name);
+ } else {
+ nl_msg_put_be32(options, OVS_TUNNEL_ATTR_SRC_IPV4, saddr);
+ }
+ }
+
nl_msg_put_u32(options, OVS_TUNNEL_ATTR_FLAGS, flags);
return 0;