Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[safe/jmp/linux-2.6] / include / linux / ipv6.h

diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index c347860..cde056e 100644 (file)
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -53,7 +53,7 @@ struct ipv6_opt_hdr {
        /* 
         * TLV encoded option data follows.
         */
-};
+} __attribute__ ((packed));    /* required for some archs */
 
 #define ipv6_destopt_hdr ipv6_opt_hdr
 #define ipv6_hopopt_hdr  ipv6_opt_hdr
@@ -160,6 +160,9 @@ struct ipv6_devconf {
 #ifdef CONFIG_IPV6_OPTIMISTIC_DAD
        __s32           optimistic_dad;
 #endif
+#ifdef CONFIG_IPV6_MROUTE
+       __s32           mc_forwarding;
+#endif
        void            *sysctl;
 };
 
@@ -190,6 +193,7 @@ enum {
        DEVCONF_PROXY_NDP,
        DEVCONF_OPTIMISTIC_DAD,
        DEVCONF_ACCEPT_SOURCE_ROUTE,
+       DEVCONF_MC_FORWARDING,
        DEVCONF_MAX
 };
 
@@ -230,6 +234,7 @@ struct inet6_skb_parm {
 #endif
 
 #define IP6SKB_XFRM_TRANSFORMED        1
+#define IP6SKB_FORWARDED       2
 };
 
 #define IP6CB(skb)     ((struct inet6_skb_parm*)((skb)->cb))
@@ -274,8 +279,29 @@ struct ipv6_pinfo {
 
        __be32                  flow_label;
        __u32                   frag_size;
-       __s16                   hop_limit;
-       __s16                   mcast_hops;
+
+       /*
+        * Packed in 16bits.
+        * Omit one shift by by putting the signed field at MSB.
+        */
+#if defined(__BIG_ENDIAN_BITFIELD)
+       __s16                   hop_limit:9;
+       __u16                   __unused_1:7;
+#else
+       __u16                   __unused_1:7;
+       __s16                   hop_limit:9;
+#endif
+
+#if defined(__BIG_ENDIAN_BITFIELD)
+       /* Packed in 16bits. */
+       __s16                   mcast_hops:9;
+       __u16                   __unused_2:6,
+                               mc_loop:1;
+#else
+       __u16                   mc_loop:1,
+                               __unused_2:6;
+       __s16                   mcast_hops:9;
+#endif
        int                     mcast_oif;
 
        /* pktoption flags */
@@ -298,11 +324,14 @@ struct ipv6_pinfo {
        } rxopt;
 
        /* sockopt flags */
-       __u8                    mc_loop:1,
-                               recverr:1,
+       __u8                    recverr:1,
                                sndflow:1,
                                pmtudisc:2,
-                               ipv6only:1;
+                               ipv6only:1,
+                               srcprefs:3;     /* 001: prefer temporary address
+                                                * 010: prefer public address
+                                                * 100: prefer care-of address
+                                                */
        __u8                    tclass;
 
        __u32                   dst_cookie;
@@ -315,9 +344,8 @@ struct ipv6_pinfo {
        struct sk_buff          *pktoptions;
        struct {
                struct ipv6_txoptions *opt;
-               struct rt6_info *rt;
-               int hop_limit;
-               int tclass;
+               u8 hop_limit;
+               u8 tclass;
        } cork;
 };
 
@@ -368,8 +396,10 @@ static inline struct request_sock *inet6_reqsk_alloc(struct request_sock_ops *op
 {
        struct request_sock *req = reqsk_alloc(ops);
 
-       if (req != NULL)
+       if (req != NULL) {
                inet_rsk(req)->inet6_rsk_offset = inet6_rsk_offset(req);
+               inet6_rsk(req)->pktopts = NULL;
+       }
 
        return req;
 }
@@ -457,16 +487,16 @@ static inline struct raw6_sock *raw6_sk(const struct sock *sk)
 #define inet_v6_ipv6only(__sk)         0
 #endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
 
-#define INET6_MATCH(__sk, __hash, __saddr, __daddr, __ports, __dif)\
-       (((__sk)->sk_hash == (__hash))                          && \
+#define INET6_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif)\
+       (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net)   && \
         ((*((__portpair *)&(inet_sk(__sk)->dport))) == (__ports))      && \
         ((__sk)->sk_family             == AF_INET6)            && \
         ipv6_addr_equal(&inet6_sk(__sk)->daddr, (__saddr))     && \
         ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr)) && \
         (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif))))
 
-#define INET6_TW_MATCH(__sk, __hash, __saddr, __daddr, __ports, __dif) \
-       (((__sk)->sk_hash == (__hash))                                  && \
+#define INET6_TW_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif) \
+       (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net)   && \
         (*((__portpair *)&(inet_twsk(__sk)->tw_dport)) == (__ports))   && \
         ((__sk)->sk_family            == PF_INET6)                     && \
         (ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_daddr, (__saddr)))   && \