static void stt_tnl_destroy(struct vport *vport)
{
struct stt_port *stt_port = stt_vport(vport);
stt_sock_release(stt_port->stt_sock);
ovs_vport_deferred_free(vport);
}
static void vxlan_tnl_destroy(struct vport *vport)
{
struct vxlan_port *vxlan_port = vxlan_vport(vport);
vxlan_sock_release(vxlan_port->vs);
ovs_vport_deferred_free(vport);
}
/* Called with rcu_read_lock and BH disabled. */
static void vxlan_rcv(struct vxlan_sock *vs, struct sk_buff *skb,
struct vxlan_metadata *md)
{
struct ovs_tunnel_info tun_info;
struct vxlan_port *vxlan_port;
struct vport *vport = vs->data;
struct iphdr *iph;
struct ovs_vxlan_opts opts = {
.gbp = md->gbp,
};
__be64 key;
__be16 flags;
flags = TUNNEL_KEY | (udp_hdr(skb)->check != 0 ? TUNNEL_CSUM : 0);
vxlan_port = vxlan_vport(vport);
if (vxlan_port->exts & VXLAN_F_GBP && md->gbp)
flags |= TUNNEL_VXLAN_OPT;
/* Save outer tunnel values */
iph = ip_hdr(skb);
key = cpu_to_be64(ntohl(md->vni) >> 8);
ovs_flow_tun_info_init(&tun_info, iph,
udp_hdr(skb)->source, udp_hdr(skb)->dest,
key, flags, &opts, sizeof(opts));
ovs_vport_receive(vport, skb, &tun_info);
}
static int vxlan_get_options(const struct vport *vport, struct sk_buff *skb)
{
struct vxlan_port *vxlan_port = vxlan_vport(vport);
__be16 dst_port = inet_sk(vxlan_port->vs->sock->sk)->inet_sport;
if (nla_put_u16(skb, OVS_TUNNEL_ATTR_DST_PORT, ntohs(dst_port)))
return -EMSGSIZE;
if (vxlan_port->exts) {
struct nlattr *exts;
exts = nla_nest_start(skb, OVS_TUNNEL_ATTR_EXTENSION);
if (!exts)
return -EMSGSIZE;
if (vxlan_port->exts & VXLAN_F_GBP &&
nla_put_flag(skb, OVS_VXLAN_EXT_GBP))
return -EMSGSIZE;
nla_nest_end(skb, exts);
}
return 0;
}
static void vxlan_tnl_destroy(struct vport *vport)
{
struct vxlan_port *vxlan_port = vxlan_vport(vport);
vxlan_sock_release(vxlan_port->vs);
ovs_vport_deferred_free(vport);
}
static const struct nla_policy exts_policy[OVS_VXLAN_EXT_MAX+1] = {
[OVS_VXLAN_EXT_GBP] = { .type = NLA_FLAG, },
};