string: factorize skip_spaces and export it to be generally available

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

diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 2102d8b..e0cc9a7 100644 (file)
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -1,6 +1,7 @@
 #ifndef _IPV6_H
 #define _IPV6_H
 
+#include <linux/types.h>
 #include <linux/in6.h>
 #include <asm/byteorder.h>
 
@@ -53,7 +54,7 @@ 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
@@ -123,6 +124,7 @@ struct ipv6hdr {
        struct  in6_addr        daddr;
 };
 
+#ifdef __KERNEL__
 /*
  * This structure contains configuration options per IPv6 link.
  */
@@ -160,9 +162,22 @@ struct ipv6_devconf {
 #ifdef CONFIG_IPV6_OPTIMISTIC_DAD
        __s32           optimistic_dad;
 #endif
+#ifdef CONFIG_IPV6_MROUTE
+       __s32           mc_forwarding;
+#endif
+       __s32           disable_ipv6;
+       __s32           accept_dad;
+       __s32           force_tllao;
        void            *sysctl;
 };
 
+struct ipv6_params {
+       __s32 disable_ipv6;
+       __s32 autoconf;
+};
+extern struct ipv6_params ipv6_defaults;
+#endif
+
 /* index values for the variables in ipv6_devconf */
 enum {
        DEVCONF_FORWARDING = 0,
@@ -190,6 +205,10 @@ enum {
        DEVCONF_PROXY_NDP,
        DEVCONF_OPTIMISTIC_DAD,
        DEVCONF_ACCEPT_SOURCE_ROUTE,
+       DEVCONF_MC_FORWARDING,
+       DEVCONF_DISABLE_IPV6,
+       DEVCONF_ACCEPT_DAD,
+       DEVCONF_FORCE_TLLAO,
        DEVCONF_MAX
 };
 
@@ -230,6 +249,7 @@ struct inet6_skb_parm {
 #endif
 
 #define IP6SKB_XFRM_TRANSFORMED        1
+#define IP6SKB_FORWARDED       2
 };
 
 #define IP6CB(skb)     ((struct inet6_skb_parm*)((skb)->cb))
@@ -267,6 +287,7 @@ struct ipv6_pinfo {
        struct in6_addr         saddr;
        struct in6_addr         rcv_saddr;
        struct in6_addr         daddr;
+       struct in6_pktinfo      sticky_pktinfo;
        struct in6_addr         *daddr_cache;
 #ifdef CONFIG_IPV6_SUBTREES
        struct in6_addr         *saddr_cache;
@@ -274,8 +295,29 @@ 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 +340,14 @@ 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;
@@ -315,8 +360,8 @@ struct ipv6_pinfo {
        struct sk_buff          *pktoptions;
        struct {
                struct ipv6_txoptions *opt;
-               int hop_limit;
-               int tclass;
+               u8 hop_limit;
+               u8 tclass;
        } cork;
 };
 
@@ -367,8 +412,10 @@ 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;
 }
@@ -457,15 +504,15 @@ static inline struct raw6_sock *raw6_sk(const struct sock *sk)
 #endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
 
 #define INET6_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif)\
-       (((__sk)->sk_hash == (__hash)) && ((__sk)->sk_net == (__net))   && \
-        ((*((__portpair *)&(inet_sk(__sk)->dport))) == (__ports))      && \
+       (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net)   && \
+        ((*((__portpair *)&(inet_sk(__sk)->inet_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, __net, __hash, __saddr, __daddr, __ports, __dif) \
-       (((__sk)->sk_hash == (__hash)) && ((__sk)->sk_net == (__net))   && \
+       (((__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)))   && \