sctp: Clean up TEST_FRAME hacks.
[safe/jmp/linux-2.6] / include / net / inet_sock.h
index 883eb52..de0ecc7 100644 (file)
 #ifndef _INET_SOCK_H
 #define _INET_SOCK_H
 
-#include <linux/config.h>
 
 #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/netns/hash.h>
 
 /** struct ip_options - IP Options
  *
  * @faddr - Saved first hop address
- * @is_setbyuser - Set by setsockopt?
  * @is_data - Options in __data, rather than skb
  * @is_strictroute - Strict source route
  * @srr_is_hit - Packet destination addr was our one
  * @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;
        unsigned char   ts;
-       unsigned char   is_setbyuser:1,
-                       is_data:1,
-                       is_strictroute:1,
+       unsigned char   is_strictroute:1,
                        srr_is_hit:1,
                        is_changed:1,
                        rr_needaddr:1,
                        ts_needtime:1,
                        ts_needaddr:1;
        unsigned char   router_alert;
-       unsigned char   __pad1;
+       unsigned char   cipso;
        unsigned char   __pad2;
        unsigned char   __data[0];
 };
@@ -63,18 +61,19 @@ struct inet_request_sock {
        struct request_sock     req;
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
        u16                     inet6_rsk_offset;
-       /* 2 bytes hole, try to pack */
 #endif
-       u32                     loc_addr;
-       u32                     rmt_addr;
-       u16                     rmt_port;
+       __be16                  loc_port;
+       __be32                  loc_addr;
+       __be32                  rmt_addr;
+       __be16                  rmt_port;
        u16                     snd_wscale : 4, 
                                rcv_wscale : 4, 
                                tstamp_ok  : 1,
                                sack_ok    : 1,
                                wscale_ok  : 1,
                                ecn_ok     : 1,
-                               acked      : 1;
+                               acked      : 1,
+                               no_srccheck: 1;
        struct ip_options       *opt;
 };
 
@@ -113,15 +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;
@@ -130,17 +129,18 @@ struct inet_sock {
                                is_icsk:1,
                                freebind:1,
                                hdrincl:1,
-                               mc_loop:1;
+                               mc_loop:1,
+                               transparent:1;
        int                     mc_index;
-       __u32                   mc_addr;
+       __be32                  mc_addr;
        struct ip_mc_socklist   *mc_list;
        struct {
                unsigned int            flags;
                unsigned int            fragsize;
                struct ip_options       *opt;
-               struct rtable           *rt;
+               struct dst_entry        *dst;
                int                     length; /* Total length of all frames */
-               u32                     addr;
+               __be32                  addr;
                struct flowi            fl;
        } cork;
 };
@@ -170,24 +170,44 @@ 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(struct net *net,
+                                       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_3words((__force __u32) laddr,
+                           (__force __u32) faddr,
+                           ((__u32) lport) << 16 | (__force __u32)fport,
+                           inet_ehash_secret + net_hash_mix(net));
 }
 
 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;
+       struct net *net = sock_net(sk);
+
+       return inet_ehashfn(net, laddr, lport, faddr, fport);
+}
+
+static inline struct request_sock *inet_reqsk_alloc(struct request_sock_ops *ops)
+{
+       struct request_sock *req = reqsk_alloc(ops);
 
-       return inet_ehashfn(laddr, lport, faddr, fport);
+       if (req != NULL)
+               inet_rsk(req)->opt = NULL;
+
+       return req;
+}
+
+static inline __u8 inet_sk_flowi_flags(const struct sock *sk)
+{
+       return inet_sk(sk)->transparent ? FLOWI_FLAG_ANYSRC : 0;
 }
 
 #endif /* _INET_SOCK_H */