X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Fnetfilter%2Fnf_nat_proto_icmp.c;h=19a8b0b07d8e7d80620446939e80aa3966c84ace;hb=211c8d4942edf2f3337820dda101da6b13c8a19a;hp=b9fc724388fc6485212310609cd4ac8a01f73a29;hpb=95b00786f3b8fa99f53931361beeb4c10504ad87;p=linux-2.6

diff --git a/net/ipv4/netfilter/nf_nat_proto_icmp.c b/net/ipv4/netfilter/nf_nat_proto_icmp.c
index b9fc724388..19a8b0b07d 100644
--- a/net/ipv4/netfilter/nf_nat_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_icmp.c
@@ -17,7 +17,7 @@
 #include <net/netfilter/nf_nat_rule.h>
 #include <net/netfilter/nf_nat_protocol.h>
 
-static int
+static bool
 icmp_in_range(const struct nf_conntrack_tuple *tuple,
 	      enum nf_nat_manip_type maniptype,
 	      const union nf_conntrack_man_proto *min,
@@ -27,7 +27,7 @@ icmp_in_range(const struct nf_conntrack_tuple *tuple,
 	       ntohs(tuple->src.u.icmp.id) <= ntohs(max->icmp.id);
 }
 
-static int
+static bool
 icmp_unique_tuple(struct nf_conntrack_tuple *tuple,
 		  const struct nf_nat_range *range,
 		  enum nf_nat_manip_type maniptype,
@@ -46,40 +46,39 @@ icmp_unique_tuple(struct nf_conntrack_tuple *tuple,
 		tuple->src.u.icmp.id = htons(ntohs(range->min.icmp.id) +
 					     (id % range_size));
 		if (!nf_nat_used_tuple(tuple, ct))
-			return 1;
+			return true;
 	}
-	return 0;
+	return false;
 }
 
-static int
+static bool
 icmp_manip_pkt(struct sk_buff *skb,
 	       unsigned int iphdroff,
 	       const struct nf_conntrack_tuple *tuple,
 	       enum nf_nat_manip_type maniptype)
 {
-	struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
+	const struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
 	struct icmphdr *hdr;
 	unsigned int hdroff = iphdroff + iph->ihl*4;
 
 	if (!skb_make_writable(skb, hdroff + sizeof(*hdr)))
-		return 0;
+		return false;
 
 	hdr = (struct icmphdr *)(skb->data + hdroff);
-	nf_proto_csum_replace2(&hdr->checksum, skb,
-			       hdr->un.echo.id, tuple->src.u.icmp.id, 0);
+	inet_proto_csum_replace2(&hdr->checksum, skb,
+				 hdr->un.echo.id, tuple->src.u.icmp.id, 0);
 	hdr->un.echo.id = tuple->src.u.icmp.id;
-	return 1;
+	return true;
 }
 
-struct nf_nat_protocol nf_nat_protocol_icmp = {
-	.name			= "ICMP",
+const struct nf_nat_protocol nf_nat_protocol_icmp = {
 	.protonum		= IPPROTO_ICMP,
 	.me			= THIS_MODULE,
 	.manip_pkt		= icmp_manip_pkt,
 	.in_range		= icmp_in_range,
 	.unique_tuple		= icmp_unique_tuple,
 #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
-	.range_to_nlattr	= nf_nat_port_range_to_nlattr,
-	.nlattr_to_range	= nf_nat_port_nlattr_to_range,
+	.range_to_nlattr	= nf_nat_proto_range_to_nlattr,
+	.nlattr_to_range	= nf_nat_proto_nlattr_to_range,
 #endif
 };