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vxlan: move fdb code to common location in vxlan_xmit 

Handle VXLAN_F_COLLECT_METADATA before VXLAN_F_PROXY. The latter does not
make sense with the former, as it needs populated fdb which does not happen
in metadata mode.

After this cleanup, the fdb code in vxlan_xmit is moved to a common location
and can be later skipped for VXLAN-GPE which does not necessarily carry
inner Ethernet header.

v2: changed commit description to not reference L3 mode

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Benc 2016-04-05 14:47:11 +02:00 committed by David S. Miller
parent 0c867c9bf8
commit 47e5d1b063
1 changed files with 11 additions and 11 deletions
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22
drivers/net/vxlan.c
View File

@ -2106,9 +2106,17 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
info = skb_tunnel_info(skb);
skb_reset_mac_header(skb);
eth = eth_hdr(skb);
if ((vxlan->flags & VXLAN_F_PROXY)) {
if (vxlan->flags & VXLAN_F_COLLECT_METADATA) {
if (info && info->mode & IP_TUNNEL_INFO_TX)
vxlan_xmit_one(skb, dev, NULL, false);
else
kfree_skb(skb);
return NETDEV_TX_OK;
}
if (vxlan->flags & VXLAN_F_PROXY) {
eth = eth_hdr(skb);
if (ntohs(eth->h_proto) == ETH_P_ARP)
return arp_reduce(dev, skb);
#if IS_ENABLED(CONFIG_IPV6)
@ -2123,18 +2131,10 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
msg->icmph.icmp6_type == NDISC_NEIGHBOUR_SOLICITATION)
return neigh_reduce(dev, skb);
}
eth = eth_hdr(skb);
#endif
}
if (vxlan->flags & VXLAN_F_COLLECT_METADATA) {
if (info && info->mode & IP_TUNNEL_INFO_TX)
vxlan_xmit_one(skb, dev, NULL, false);
else
kfree_skb(skb);
return NETDEV_TX_OK;
}
eth = eth_hdr(skb);
f = vxlan_find_mac(vxlan, eth->h_dest);
did_rsc = false;