net: Remove protocol from struct dst_ops

After my change to neigh_hh_init to obtain the protocol from the
neigh_table there are no more users of protocol in struct dst_ops.
Remove the protocol field from dst_ops and all of it's initializers.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/dst_ops.h

@@ -12,7 +12,6 @@ struct sock;
 
 struct dst_ops {
 	unsigned short		family;
-	__be16			protocol;
 	unsigned int		gc_thresh;
 
 	int			(*gc)(struct dst_ops *ops);

net/bridge/br_nf_core.c

@@ -54,7 +54,6 @@ static unsigned int fake_mtu(const struct dst_entry *dst)
 
 static struct dst_ops fake_dst_ops = {
 	.family		= AF_INET,
-	.protocol	= cpu_to_be16(ETH_P_IP),
 	.update_pmtu	= fake_update_pmtu,
 	.redirect	= fake_redirect,
 	.cow_metrics	= fake_cow_metrics,

net/decnet/dn_route.c

@@ -136,7 +136,6 @@ int decnet_dst_gc_interval = 2;
 
 static struct dst_ops dn_dst_ops = {
 	.family =		PF_DECnet,
-	.protocol =		cpu_to_be16(ETH_P_DNA_RT),
 	.gc_thresh =		128,
 	.gc =			dn_dst_gc,
 	.check =		dn_dst_check,

net/ipv4/route.c

@@ -152,7 +152,6 @@ static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst,
 
 static struct dst_ops ipv4_dst_ops = {
 	.family =		AF_INET,
-	.protocol =		cpu_to_be16(ETH_P_IP),
 	.check =		ipv4_dst_check,
 	.default_advmss =	ipv4_default_advmss,
 	.mtu =			ipv4_mtu,
@@ -2225,7 +2224,6 @@ static u32 *ipv4_rt_blackhole_cow_metrics(struct dst_entry *dst,
 
 static struct dst_ops ipv4_dst_blackhole_ops = {
 	.family			=	AF_INET,
-	.protocol		=	cpu_to_be16(ETH_P_IP),
 	.check			=	ipv4_blackhole_dst_check,
 	.mtu			=	ipv4_blackhole_mtu,
 	.default_advmss		=	ipv4_default_advmss,

net/ipv4/xfrm4_policy.c

@@ -232,7 +232,6 @@ static void xfrm4_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
 
 static struct dst_ops xfrm4_dst_ops = {
 	.family =		AF_INET,
-	.protocol =		cpu_to_be16(ETH_P_IP),
 	.gc =			xfrm4_garbage_collect,
 	.update_pmtu =		xfrm4_update_pmtu,
 	.redirect =		xfrm4_redirect,

net/ipv6/route.c

@@ -194,7 +194,6 @@ static struct neighbour *ip6_neigh_lookup(const struct dst_entry *dst,
 
 static struct dst_ops ip6_dst_ops_template = {
 	.family			=	AF_INET6,
-	.protocol		=	cpu_to_be16(ETH_P_IPV6),
 	.gc			=	ip6_dst_gc,
 	.gc_thresh		=	1024,
 	.check			=	ip6_dst_check,
@@ -236,7 +235,6 @@ static u32 *ip6_rt_blackhole_cow_metrics(struct dst_entry *dst,
 
 static struct dst_ops ip6_dst_blackhole_ops = {
 	.family			=	AF_INET6,
-	.protocol		=	cpu_to_be16(ETH_P_IPV6),
 	.destroy		=	ip6_dst_destroy,
 	.check			=	ip6_dst_check,
 	.mtu			=	ip6_blackhole_mtu,

net/ipv6/xfrm6_policy.c

@@ -292,7 +292,6 @@ static void xfrm6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
 
 static struct dst_ops xfrm6_dst_ops = {
 	.family =		AF_INET6,
-	.protocol =		cpu_to_be16(ETH_P_IPV6),
 	.gc =			xfrm6_garbage_collect,
 	.update_pmtu =		xfrm6_update_pmtu,
 	.redirect =		xfrm6_redirect,