#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
*
#endif
__be32 loc_addr;
__be32 rmt_addr;
- u16 rmt_port;
+ __be16 rmt_port;
u16 snd_wscale : 4,
rcv_wscale : 4,
tstamp_ok : 1,
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 */