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Commit 206aaafc authored by Pravin B Shelar's avatar Pravin B Shelar Committed by David S. Miller
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VXLAN: Use IP Tunnels tunnel ENC encap API 



Use common ecn_encap functions from ip_tunnel module.

Signed-off-by: default avatarPravin B Shelar <pshelar@nicira.com>
Acked-by: default avatarStephen Hemminger <stephen@networkplumber.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e8171045

drivers/net/vxlan.c

+2 −24
Original line number Diff line number Diff line
@@ -864,28 +864,6 @@ static bool route_shortcircuit(struct net_device *dev, struct sk_buff *skb) 
	return false;

}



/* Extract dsfield from inner protocol */

static inline u8 vxlan_get_dsfield(const struct iphdr *iph,

				   const struct sk_buff *skb)

{

	if (skb->protocol == htons(ETH_P_IP))

		return iph->tos;

	else if (skb->protocol == htons(ETH_P_IPV6))

		return ipv6_get_dsfield((const struct ipv6hdr *)iph);

	else

		return 0;

}



/* Propogate ECN bits out */

static inline u8 vxlan_ecn_encap(u8 tos,

				 const struct iphdr *iph,

				 const struct sk_buff *skb)

{

	u8 inner = vxlan_get_dsfield(iph, skb);



	return INET_ECN_encapsulate(tos, inner);

}



static void vxlan_sock_free(struct sk_buff *skb)

{

	sock_put(skb->sk);
@@ -996,7 +974,7 @@ static netdev_tx_t vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, 


	tos = vxlan->tos;

	if (tos == 1)

		tos = vxlan_get_dsfield(old_iph, skb);

		tos = ip_tunnel_get_dsfield(old_iph, skb);



	src_port = vxlan_src_port(vxlan, skb);
@@ -1047,7 +1025,7 @@ static netdev_tx_t vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, 
	iph->ihl	= sizeof(struct iphdr) >> 2;

	iph->frag_off	= df;

	iph->protocol	= IPPROTO_UDP;

	iph->tos	= vxlan_ecn_encap(tos, old_iph, skb);

	iph->tos	= ip_tunnel_ecn_encap(tos, old_iph, skb);

	iph->daddr	= dst;

	iph->saddr	= fl4.saddr;

	iph->ttl	= ttl ? : ip4_dst_hoplimit(&rt->dst);