netfilter: conntrack: remove pf argument from l4 packet functions

not needed/used anymore.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

include/net/netfilter/nf_conntrack_l4proto.h

@@ -42,7 +42,6 @@ struct nf_conntrack_l4proto {
 		      const struct sk_buff *skb,
 		      unsigned int dataoff,
 		      enum ip_conntrack_info ctinfo,
-		      u_int8_t pf,
 		      unsigned int *timeouts);
 
 	/* Called when a new connection for this protocol found;

net/ipv4/netfilter/nf_conntrack_proto_icmp.c

@@ -81,7 +81,6 @@ static int icmp_packet(struct nf_conn *ct,
 		       const struct sk_buff *skb,
 		       unsigned int dataoff,
 		       enum ip_conntrack_info ctinfo,
-		       u_int8_t pf,
 		       unsigned int *timeout)
 {
 	/* Do not immediately delete the connection after the first

net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c

@@ -94,7 +94,6 @@ static int icmpv6_packet(struct nf_conn *ct,
 		       const struct sk_buff *skb,
 		       unsigned int dataoff,
 		       enum ip_conntrack_info ctinfo,
-		       u_int8_t pf,
 		       unsigned int *timeout)
 {
 	/* Do not immediately delete the connection after the first

net/netfilter/nf_conntrack_core.c

@@ -1419,7 +1419,7 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum,
 	/* Decide what timeout policy we want to apply to this flow. */
 	timeouts = nf_ct_timeout_lookup(net, ct, l4proto);
 
-	ret = l4proto->packet(ct, skb, dataoff, ctinfo, pf, timeouts);
+	ret = l4proto->packet(ct, skb, dataoff, ctinfo, timeouts);
 	if (ret <= 0) {
 		/* Invalid: inverse of the return code tells
 		 * the netfilter core what to do */

net/netfilter/nf_conntrack_proto_dccp.c

@@ -467,7 +467,6 @@ static unsigned int *dccp_get_timeouts(struct net *net)
 
 static int dccp_packet(struct nf_conn *ct, const struct sk_buff *skb,
 		       unsigned int dataoff, enum ip_conntrack_info ctinfo,
-		       u_int8_t pf,
 		       unsigned int *timeouts)
 {
 	enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);

net/netfilter/nf_conntrack_proto_generic.c

@@ -60,7 +60,6 @@ static int generic_packet(struct nf_conn *ct,
 			  const struct sk_buff *skb,
 			  unsigned int dataoff,
 			  enum ip_conntrack_info ctinfo,
-			  u_int8_t pf,
 			  unsigned int *timeout)
 {
 	nf_ct_refresh_acct(ct, ctinfo, skb, *timeout);

net/netfilter/nf_conntrack_proto_gre.c

@@ -244,7 +244,6 @@ static int gre_packet(struct nf_conn *ct,
 		      const struct sk_buff *skb,
 		      unsigned int dataoff,
 		      enum ip_conntrack_info ctinfo,
-		      u_int8_t pf,
 		      unsigned int *timeouts)
 {
 	/* If we've seen traffic both ways, this is a GRE connection.

net/netfilter/nf_conntrack_proto_sctp.c

@@ -306,7 +306,6 @@ static int sctp_packet(struct nf_conn *ct,
 		       const struct sk_buff *skb,
 		       unsigned int dataoff,
 		       enum ip_conntrack_info ctinfo,
-		       u_int8_t pf,
 		       unsigned int *timeouts)
 {
 	enum sctp_conntrack new_state, old_state;

net/netfilter/nf_conntrack_proto_tcp.c

@@ -493,8 +493,7 @@ static bool tcp_in_window(const struct nf_conn *ct,
 			  unsigned int index,
 			  const struct sk_buff *skb,
 			  unsigned int dataoff,
-			  const struct tcphdr *tcph,
-			  u_int8_t pf)
+			  const struct tcphdr *tcph)
 {
 	struct net *net = nf_ct_net(ct);
 	struct nf_tcp_net *tn = tcp_pernet(net);
@@ -801,7 +800,6 @@ static int tcp_packet(struct nf_conn *ct,
 		      const struct sk_buff *skb,
 		      unsigned int dataoff,
 		      enum ip_conntrack_info ctinfo,
-		      u_int8_t pf,
 		      unsigned int *timeouts)
 {
 	struct net *net = nf_ct_net(ct);
@@ -1013,7 +1011,7 @@ static int tcp_packet(struct nf_conn *ct,
 	}
 
 	if (!tcp_in_window(ct, &ct->proto.tcp, dir, index,
-			   skb, dataoff, th, pf)) {
+			   skb, dataoff, th)) {
 		spin_unlock_bh(&ct->lock);
 		return -NF_ACCEPT;
 	}

net/netfilter/nf_conntrack_proto_udp.c

@@ -73,7 +73,6 @@ static int udp_packet(struct nf_conn *ct,
 		      const struct sk_buff *skb,
 		      unsigned int dataoff,
 		      enum ip_conntrack_info ctinfo,
-		      u_int8_t pf,
 		      unsigned int *timeouts)
 {
 	/* If we've seen traffic both ways, this is some kind of UDP