From: Beniamino Galvani <b.galvani@gmail.com>
Date: Mon, 16 Oct 2023 07:15:21 +0000 (+0200)
Subject: ipv4: remove "proto" argument from udp_tunnel_dst_lookup()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=78f3655adcb5;p=linux.git

ipv4: remove "proto" argument from udp_tunnel_dst_lookup()

The function is now UDP-specific, the protocol is always IPPROTO_UDP.

Suggested-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c
index 63fc32fa1af5d..6af67cac6bde0 100644
--- a/drivers/net/bareudp.c
+++ b/drivers/net/bareudp.c
@@ -307,7 +307,7 @@ static int bareudp_xmit_skb(struct sk_buff *skb, struct net_device *dev,
 		return -ESHUTDOWN;
 
 	rt = udp_tunnel_dst_lookup(skb, dev, bareudp->net, &saddr, info,
-				   IPPROTO_UDP, use_cache);
+				   use_cache);
 
 	if (IS_ERR(rt))
 		return PTR_ERR(rt);
@@ -484,7 +484,7 @@ static int bareudp_fill_metadata_dst(struct net_device *dev,
 		__be32 saddr;
 
 		rt = udp_tunnel_dst_lookup(skb, dev, bareudp->net, &saddr,
-					   info, IPPROTO_UDP, use_cache);
+					   info, use_cache);
 		if (IS_ERR(rt))
 			return PTR_ERR(rt);
 
diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h
index 11e810ca50888..8f110dbd3784e 100644
--- a/include/net/udp_tunnel.h
+++ b/include/net/udp_tunnel.h
@@ -166,7 +166,7 @@ struct rtable *udp_tunnel_dst_lookup(struct sk_buff *skb,
 				     struct net_device *dev,
 				     struct net *net, __be32 *saddr,
 				     const struct ip_tunnel_info *info,
-				     u8 protocol, bool use_cache);
+				     bool use_cache);
 
 struct metadata_dst *udp_tun_rx_dst(struct sk_buff *skb, unsigned short family,
 				    __be16 flags, __be64 tunnel_id,
diff --git a/net/ipv4/udp_tunnel_core.c b/net/ipv4/udp_tunnel_core.c
index 96f93f92b6ced..9b0cfd72d5fda 100644
--- a/net/ipv4/udp_tunnel_core.c
+++ b/net/ipv4/udp_tunnel_core.c
@@ -208,7 +208,7 @@ struct rtable *udp_tunnel_dst_lookup(struct sk_buff *skb,
 				     struct net_device *dev,
 				     struct net *net, __be32 *saddr,
 				     const struct ip_tunnel_info *info,
-				     u8 protocol, bool use_cache)
+				     bool use_cache)
 {
 #ifdef CONFIG_DST_CACHE
 	struct dst_cache *dst_cache;
@@ -227,7 +227,7 @@ struct rtable *udp_tunnel_dst_lookup(struct sk_buff *skb,
 #endif
 	memset(&fl4, 0, sizeof(fl4));
 	fl4.flowi4_mark = skb->mark;
-	fl4.flowi4_proto = protocol;
+	fl4.flowi4_proto = IPPROTO_UDP;
 	fl4.daddr = info->key.u.ipv4.dst;
 	fl4.saddr = info->key.u.ipv4.src;
 	tos = info->key.tos;