netdev - [PATCH net v2 1/2] udp_tunnel: Remove redundant udp_tunnel_gro

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Date:	Mon,  2 May 2016 13:39:49 -0700
From:	Jarno Rajahalme <jarno@....org>
To:	davem@...emloft.net, kuznet@....inr.ac.ru, jmorris@...ei.org,
	yoshfuji@...ux-ipv6.org, kaber@...sh.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	jesse@...nel.org, jarno@....org
Subject: [PATCH net v2 1/2] udp_tunnel: Remove redundant udp_tunnel_gro_complete().

The setting of the UDP tunnel GSO type is already performed by
udp[46]_gro_complete().

Signed-off-by: Jarno Rajahalme <jarno@....org>
---
 drivers/net/geneve.c     | 2 --
 drivers/net/vxlan.c      | 2 --
 include/net/udp_tunnel.h | 9 ---------
 net/ipv4/fou.c           | 2 --
 4 files changed, 15 deletions(-)

diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index bc16889..98f1224 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -504,8 +504,6 @@ static int geneve_gro_complete(struct sk_buff *skb, int nhoff,
 	int gh_len;
 	int err = -ENOSYS;
 
-	udp_tunnel_gro_complete(skb, nhoff);
-
 	gh = (struct genevehdr *)(skb->data + nhoff);
 	gh_len = geneve_hlen(gh);
 	type = gh->proto_type;
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 1c0fa36..dd2d032 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -616,8 +616,6 @@ out:
 static int vxlan_gro_complete(struct sk_buff *skb, int nhoff,
 			      struct udp_offload *uoff)
 {
-	udp_tunnel_gro_complete(skb, nhoff);
-
 	return eth_gro_complete(skb, nhoff + sizeof(struct vxlanhdr));
 }
 
diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h
index b831140..a114024 100644
--- a/include/net/udp_tunnel.h
+++ b/include/net/udp_tunnel.h
@@ -106,15 +106,6 @@ static inline struct sk_buff *udp_tunnel_handle_offloads(struct sk_buff *skb,
 	return iptunnel_handle_offloads(skb, type);
 }
 
-static inline void udp_tunnel_gro_complete(struct sk_buff *skb, int nhoff)
-{
-	struct udphdr *uh;
-
-	uh = (struct udphdr *)(skb->data + nhoff - sizeof(struct udphdr));
-	skb_shinfo(skb)->gso_type |= uh->check ?
-				SKB_GSO_UDP_TUNNEL_CSUM : SKB_GSO_UDP_TUNNEL;
-}
-
 static inline void udp_tunnel_encap_enable(struct socket *sock)
 {
 #if IS_ENABLED(CONFIG_IPV6)
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index a39068b..305d9ac 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -228,8 +228,6 @@ static int fou_gro_complete(struct sk_buff *skb, int nhoff,
 	int err = -ENOSYS;
 	const struct net_offload **offloads;
 
-	udp_tunnel_gro_complete(skb, nhoff);
-
 	rcu_read_lock();
 	offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads;
 	ops = rcu_dereference(offloads[proto]);
-- 
2.7.4