{
struct sk_buff *p, **pp = NULL;
struct vxlanhdr *vh, *vh2;
- struct ethhdr *eh, *eh2;
- unsigned int hlen, off_vx, off_eth;
- const struct packet_offload *ptype;
- __be16 type;
+ unsigned int hlen, off_vx;
int flush = 1;
off_vx = skb_gro_offset(skb);
if (unlikely(!vh))
goto out;
}
- skb_gro_pull(skb, sizeof(struct vxlanhdr)); /* pull vxlan header */
- skb_gro_postpull_rcsum(skb, vh, sizeof(struct vxlanhdr));
-
- off_eth = skb_gro_offset(skb);
- hlen = off_eth + sizeof(*eh);
- eh = skb_gro_header_fast(skb, off_eth);
- if (skb_gro_header_hard(skb, hlen)) {
- eh = skb_gro_header_slow(skb, hlen, off_eth);
- if (unlikely(!eh))
- goto out;
- }
flush = 0;
continue;
vh2 = (struct vxlanhdr *)(p->data + off_vx);
- eh2 = (struct ethhdr *)(p->data + off_eth);
- if (vh->vx_vni != vh2->vx_vni || compare_ether_header(eh, eh2)) {
+ if (vh->vx_vni != vh2->vx_vni) {
NAPI_GRO_CB(p)->same_flow = 0;
continue;
}
}
- type = eh->h_proto;
-
- rcu_read_lock();
- ptype = gro_find_receive_by_type(type);
- if (ptype == NULL) {
- flush = 1;
- goto out_unlock;
- }
-
- skb_gro_pull(skb, sizeof(*eh)); /* pull inner eth header */
- skb_gro_postpull_rcsum(skb, eh, sizeof(*eh));
- pp = ptype->callbacks.gro_receive(head, skb);
+ skb_gro_pull(skb, sizeof(struct vxlanhdr));
+ skb_gro_postpull_rcsum(skb, vh, sizeof(struct vxlanhdr));
+ pp = eth_gro_receive(head, skb);
-out_unlock:
- rcu_read_unlock();
out:
NAPI_GRO_CB(skb)->flush |= flush;
static int vxlan_gro_complete(struct sk_buff *skb, int nhoff)
{
- struct ethhdr *eh;
- struct packet_offload *ptype;
- __be16 type;
- int vxlan_len = sizeof(struct vxlanhdr) + sizeof(struct ethhdr);
- int err = -ENOSYS;
-
udp_tunnel_gro_complete(skb, nhoff);
- eh = (struct ethhdr *)(skb->data + nhoff + sizeof(struct vxlanhdr));
- type = eh->h_proto;
-
- rcu_read_lock();
- ptype = gro_find_complete_by_type(type);
- if (ptype != NULL)
- err = ptype->callbacks.gro_complete(skb, nhoff + vxlan_len);
-
- rcu_read_unlock();
- return err;
+ return eth_gro_complete(skb, nhoff + sizeof(struct vxlanhdr));
}
/* Notify netdevs that UDP port started listening */
/* Add static entry (via netlink) */
static int vxlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *dev,
- const unsigned char *addr, u16 flags)
+ const unsigned char *addr, u16 vid, u16 flags)
{
struct vxlan_dev *vxlan = netdev_priv(dev);
/* struct net *net = dev_net(vxlan->dev); */
/* Delete entry (via netlink) */
static int vxlan_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *dev,
- const unsigned char *addr)
+ const unsigned char *addr, u16 vid)
{
struct vxlan_dev *vxlan = netdev_priv(dev);
struct vxlan_fdb *f;
bool udp_sum = !udp_get_no_check6_tx(vs->sock->sk);
skb = udp_tunnel_handle_offloads(skb, udp_sum);
- if (IS_ERR(skb))
- return -EINVAL;
+ if (IS_ERR(skb)) {
+ err = -EINVAL;
+ goto err;
+ }
skb_scrub_packet(skb, xnet);
/* Need space for new headers (invalidates iph ptr) */
err = skb_cow_head(skb, min_headroom);
- if (unlikely(err))
- return err;
-
- if (vlan_tx_tag_present(skb)) {
- if (WARN_ON(!__vlan_put_tag(skb,
- skb->vlan_proto,
- vlan_tx_tag_get(skb))))
- return -ENOMEM;
+ if (unlikely(err)) {
+ kfree_skb(skb);
+ goto err;
+ }
- skb->vlan_tci = 0;
+ skb = vlan_hwaccel_push_inside(skb);
+ if (WARN_ON(!skb)) {
+ err = -ENOMEM;
+ goto err;
}
vxh = (struct vxlanhdr *) __skb_push(skb, sizeof(*vxh));
udp_tunnel6_xmit_skb(vs->sock, dst, skb, dev, saddr, daddr, prio,
ttl, src_port, dst_port);
return 0;
+err:
+ dst_release(dst);
+ return err;
}
#endif
skb = udp_tunnel_handle_offloads(skb, udp_sum);
if (IS_ERR(skb))
- return -EINVAL;
+ return PTR_ERR(skb);
min_headroom = LL_RESERVED_SPACE(rt->dst.dev) + rt->dst.header_len
+ VXLAN_HLEN + sizeof(struct iphdr)
/* Need space for new headers (invalidates iph ptr) */
err = skb_cow_head(skb, min_headroom);
- if (unlikely(err))
+ if (unlikely(err)) {
+ kfree_skb(skb);
return err;
-
- if (vlan_tx_tag_present(skb)) {
- if (WARN_ON(!__vlan_put_tag(skb,
- skb->vlan_proto,
- vlan_tx_tag_get(skb))))
- return -ENOMEM;
-
- skb->vlan_tci = 0;
}
+ skb = vlan_hwaccel_push_inside(skb);
+ if (WARN_ON(!skb))
+ return -ENOMEM;
+
vxh = (struct vxlanhdr *) __skb_push(skb, sizeof(*vxh));
vxh->vx_flags = htonl(VXLAN_FLAGS);
vxh->vx_vni = vni;
tos, ttl, df, src_port, dst_port,
htonl(vni << 8),
!net_eq(vxlan->net, dev_net(vxlan->dev)));
-
- if (err < 0)
+ if (err < 0) {
+ /* skb is already freed. */
+ skb = NULL;
goto rt_tx_error;
+ }
+
iptunnel_xmit_stats(err, &dev->stats, dev->tstats);
#if IS_ENABLED(CONFIG_IPV6)
} else {
spin_lock(&vn->sock_lock);
vs = vxlan_find_sock(vxlan->net, ipv6 ? AF_INET6 : AF_INET,
vxlan->dst_port);
- if (vs) {
+ if (vs && atomic_add_unless(&vs->refcnt, 1, 0)) {
/* If we have a socket with same port already, reuse it */
- atomic_inc(&vs->refcnt);
vxlan_vs_add_dev(vs, vxlan);
} else {
/* otherwise make new socket outside of RTNL */
[IFLA_VXLAN_L2MISS] = { .type = NLA_U8 },
[IFLA_VXLAN_L3MISS] = { .type = NLA_U8 },
[IFLA_VXLAN_PORT] = { .type = NLA_U16 },
+ [IFLA_VXLAN_UDP_CSUM] = { .type = NLA_U8 },
+ [IFLA_VXLAN_UDP_ZERO_CSUM6_TX] = { .type = NLA_U8 },
+ [IFLA_VXLAN_UDP_ZERO_CSUM6_RX] = { .type = NLA_U8 },
};
static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[])
spin_lock(&vn->sock_lock);
vs = vxlan_find_sock(net, ipv6 ? AF_INET6 : AF_INET, port);
- if (vs) {
- if (vs->rcv == rcv)
- atomic_inc(&vs->refcnt);
- else
+ if (vs && ((vs->rcv != rcv) ||
+ !atomic_add_unless(&vs->refcnt, 1, 0)))
vs = ERR_PTR(-EBUSY);
- }
spin_unlock(&vn->sock_lock);
if (!vs)
projects / cascardo / linux.git / blobdiff