[NETFILTER]: xt_sctp: simplify xt_sctp.h

[mirror_ubuntu-zesty-kernel.git] / net / netfilter / nf_conntrack_proto_udplite.c

diff --git a/net/netfilter/nf_conntrack_proto_udplite.c b/net/netfilter/nf_conntrack_proto_udplite.c
index b8981dd922bed6efe20c2b2727e8e673410b4d20..9dd03c7aeac6da64283e8cfe847204e77701e31e 100644 (file)
--- a/net/netfilter/nf_conntrack_proto_udplite.c
+++ b/net/netfilter/nf_conntrack_proto_udplite.c
@@ -22,6 +22,7 @@
 #include <linux/netfilter_ipv6.h>
 #include <net/netfilter/nf_conntrack_l4proto.h>
 #include <net/netfilter/nf_conntrack_ecache.h>
+#include <net/netfilter/nf_log.h>
 
 static unsigned int nf_ct_udplite_timeout __read_mostly = 30*HZ;
 static unsigned int nf_ct_udplite_timeout_stream __read_mostly = 180*HZ;
@@ -30,7 +31,8 @@ static int udplite_pkt_to_tuple(const struct sk_buff *skb,
                                unsigned int dataoff,
                                struct nf_conntrack_tuple *tuple)
 {
-       struct udphdr _hdr, *hp;
+       const struct udphdr *hp;
+       struct udphdr _hdr;
 
        hp = skb_header_pointer(skb, dataoff, sizeof(_hdr), &_hdr);
        if (hp == NULL)
@@ -58,15 +60,8 @@ static int udplite_print_tuple(struct seq_file *s,
                          ntohs(tuple->dst.u.udp.port));
 }
 
-/* Print out the private part of the conntrack. */
-static int udplite_print_conntrack(struct seq_file *s,
-                                  const struct nf_conn *conntrack)
-{
-       return 0;
-}
-
 /* Returns verdict for packet, and may modify conntracktype */
-static int udplite_packet(struct nf_conn *conntrack,
+static int udplite_packet(struct nf_conn *ct,
                          const struct sk_buff *skb,
                          unsigned int dataoff,
                          enum ip_conntrack_info ctinfo,
@@ -75,21 +70,20 @@ static int udplite_packet(struct nf_conn *conntrack,
 {
        /* If we've seen traffic both ways, this is some kind of UDP
           stream.  Extend timeout. */
-       if (test_bit(IPS_SEEN_REPLY_BIT, &conntrack->status)) {
-               nf_ct_refresh_acct(conntrack, ctinfo, skb,
+       if (test_bit(IPS_SEEN_REPLY_BIT, &ct->status)) {
+               nf_ct_refresh_acct(ct, ctinfo, skb,
                                   nf_ct_udplite_timeout_stream);
                /* Also, more likely to be important, and not a probe */
-               if (!test_and_set_bit(IPS_ASSURED_BIT, &conntrack->status))
+               if (!test_and_set_bit(IPS_ASSURED_BIT, &ct->status))
                        nf_conntrack_event_cache(IPCT_STATUS, skb);
        } else
-               nf_ct_refresh_acct(conntrack, ctinfo, skb,
-                                  nf_ct_udplite_timeout);
+               nf_ct_refresh_acct(ct, ctinfo, skb, nf_ct_udplite_timeout);
 
        return NF_ACCEPT;
 }
 
 /* Called when a new connection for this protocol found. */
-static int udplite_new(struct nf_conn *conntrack, const struct sk_buff *skb,
+static int udplite_new(struct nf_conn *ct, const struct sk_buff *skb,
                       unsigned int dataoff)
 {
        return 1;
@@ -101,7 +95,8 @@ static int udplite_error(struct sk_buff *skb, unsigned int dataoff,
                         unsigned int hooknum)
 {
        unsigned int udplen = skb->len - dataoff;
-       struct udphdr _hdr, *hdr;
+       const struct udphdr *hdr;
+       struct udphdr _hdr;
        unsigned int cscov;
 
        /* Header is too small? */
@@ -133,8 +128,7 @@ static int udplite_error(struct sk_buff *skb, unsigned int dataoff,
 
        /* Checksum invalid? Ignore. */
        if (nf_conntrack_checksum && !skb_csum_unnecessary(skb) &&
-           ((pf == PF_INET && hooknum == NF_IP_PRE_ROUTING) ||
-            (pf == PF_INET6 && hooknum == NF_IP6_PRE_ROUTING))) {
+           hooknum == NF_INET_PRE_ROUTING) {
                if (pf == PF_INET) {
                        struct iphdr *iph = ip_hdr(skb);
 
@@ -198,7 +192,6 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite4 __read_mostly =
        .pkt_to_tuple           = udplite_pkt_to_tuple,
        .invert_tuple           = udplite_invert_tuple,
        .print_tuple            = udplite_print_tuple,
-       .print_conntrack        = udplite_print_conntrack,
        .packet                 = udplite_packet,
        .new                    = udplite_new,
        .error                  = udplite_error,
@@ -222,7 +215,6 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite6 __read_mostly =
        .pkt_to_tuple           = udplite_pkt_to_tuple,
        .invert_tuple           = udplite_invert_tuple,
        .print_tuple            = udplite_print_tuple,
-       .print_conntrack        = udplite_print_conntrack,
        .packet                 = udplite_packet,
        .new                    = udplite_new,
        .error                  = udplite_error,