Patchwork [v3,net-next,4/5] VXLAN: Use IP Tunnels tunnel ENC encap API

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Submitter Pravin B Shelar
Date March 19, 2013, 8:10 a.m.
Message ID <1363680627-1847-1-git-send-email-pshelar@nicira.com>
Download mbox | patch
Permalink /patch/228940/
State Changes Requested
Delegated to: David Miller
Headers show

Comments

Pravin B Shelar - March 19, 2013, 8:10 a.m.
Use common ecn_encap functions from ip_tunnel module.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/vxlan.c |   26 ++------------------------
 1 files changed, 2 insertions(+), 24 deletions(-)

Patch

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index e532b2a..7624ab1 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -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);