X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fnet%2Finet_sock.h;h=70013c5f4e59aba0d83f7e99df4da8898d94b05f;hb=d63bddbe90c4fd924b2155ca92a879393d856170;hp=f6242710f2ffe208906cdb9b5857dbc3ace00eaa;hpb=4e6d816e51728d5006c53e78e079ac62b902f8aa;p=linux-2.6

diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index f6242710f2..70013c5f4e 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -19,10 +19,12 @@
 
 #include <linux/string.h>
 #include <linux/types.h>
+#include <linux/jhash.h>
 
 #include <net/flow.h>
 #include <net/sock.h>
 #include <net/request_sock.h>
+#include <net/route.h>
 
 /** struct ip_options - IP Options
  *
@@ -36,7 +38,7 @@
  * @ts_needaddr - Need to record addr of outgoing dev
  */
 struct ip_options {
-	__u32		faddr;
+	__be32		faddr;
 	unsigned char	optlen;
 	unsigned char	srr;
 	unsigned char	rr;
@@ -62,9 +64,9 @@ struct inet_request_sock {
 	u16			inet6_rsk_offset;
 	/* 2 bytes hole, try to pack */
 #endif
-	u32			loc_addr;
-	u32			rmt_addr;
-	u16			rmt_port;
+	__be32			loc_addr;
+	__be32			rmt_addr;
+	__be16			rmt_port;
 	u16			snd_wscale : 4, 
 				rcv_wscale : 4, 
 				tstamp_ok  : 1,
@@ -110,15 +112,15 @@ struct inet_sock {
 	struct ipv6_pinfo	*pinet6;
 #endif
 	/* Socket demultiplex comparisons on incoming packets. */
-	__u32			daddr;
-	__u32			rcv_saddr;
-	__u16			dport;
+	__be32			daddr;
+	__be32			rcv_saddr;
+	__be16			dport;
 	__u16			num;
-	__u32			saddr;
+	__be32			saddr;
 	__s16			uc_ttl;
 	__u16			cmsg_flags;
 	struct ip_options	*opt;
-	__u16			sport;
+	__be16			sport;
 	__u16			id;
 	__u8			tos;
 	__u8			mc_ttl;
@@ -129,7 +131,7 @@ struct inet_sock {
 				hdrincl:1,
 				mc_loop:1;
 	int			mc_index;
-	__u32			mc_addr;
+	__be32			mc_addr;
 	struct ip_mc_socklist	*mc_list;
 	struct {
 		unsigned int		flags;
@@ -137,7 +139,7 @@ struct inet_sock {
 		struct ip_options	*opt;
 		struct rtable		*rt;
 		int			length; /* Total length of all frames */
-		u32			addr;
+		__be32			addr;
 		struct flowi		fl;
 	} cork;
 };
@@ -167,24 +169,32 @@ static inline void inet_sk_copy_descendant(struct sock *sk_to,
 
 extern int inet_sk_rebuild_header(struct sock *sk);
 
-static inline unsigned int inet_ehashfn(const __u32 laddr, const __u16 lport,
-					const __u32 faddr, const __u16 fport)
+extern u32 inet_ehash_secret;
+extern void build_ehash_secret(void);
+
+static inline unsigned int inet_ehashfn(const __be32 laddr, const __u16 lport,
+					const __be32 faddr, const __be16 fport)
 {
-	unsigned int h = (laddr ^ lport) ^ (faddr ^ fport);
-	h ^= h >> 16;
-	h ^= h >> 8;
-	return h;
+	return jhash_2words((__force __u32) laddr ^ (__force __u32) faddr,
+			    ((__u32) lport) << 16 | (__force __u32)fport,
+			    inet_ehash_secret);
 }
 
 static inline int inet_sk_ehashfn(const struct sock *sk)
 {
 	const struct inet_sock *inet = inet_sk(sk);
-	const __u32 laddr = inet->rcv_saddr;
+	const __be32 laddr = inet->rcv_saddr;
 	const __u16 lport = inet->num;
-	const __u32 faddr = inet->daddr;
-	const __u16 fport = inet->dport;
+	const __be32 faddr = inet->daddr;
+	const __be16 fport = inet->dport;
 
 	return inet_ehashfn(laddr, lport, faddr, fport);
 }
 
+
+static inline int inet_iif(const struct sk_buff *skb)
+{
+	return ((struct rtable *)skb->dst)->rt_iif;
+}
+
 #endif	/* _INET_SOCK_H */