---

yaml --- r: 213884 b: refs/heads/master c: e760702 h: refs/heads/master v: v3
git-mirror · Aug 20, 2010 · 8b0e6fb · 8b0e6fb
1 parent dce27a5
commit 8b0e6fb
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dbe5775bbc00116ed5699babfe17c54f32eb34c3
+refs/heads/master: e760702ed8333588f9f21e7bf6597873993006f1
diff --git a/trunk/include/linux/in.h b/trunk/include/linux/in.h
@@ -250,6 +250,25 @@ struct sockaddr_in {
 
 #ifdef __KERNEL__
 
+#include <linux/errno.h>
+
+static inline int proto_ports_offset(int proto)
+{
+	switch (proto) {
+	case IPPROTO_TCP:
+	case IPPROTO_UDP:
+	case IPPROTO_DCCP:
+	case IPPROTO_ESP:	/* SPI */
+	case IPPROTO_SCTP:
+	case IPPROTO_UDPLITE:
+		return 0;
+	case IPPROTO_AH:	/* SPI */
+		return 4;
+	default:
+		return -EINVAL;
+	}
+}
+
 static inline bool ipv4_is_loopback(__be32 addr)
 {
 	return (addr & htonl(0xff000000)) == htonl(0x7f000000);