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Diffstat (limited to 'include/linux/ipv6.h')
-rw-r--r--include/linux/ipv6.h48
1 files changed, 38 insertions, 10 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 134c8e5cf07..10b666b61ad 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -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;
};
@@ -458,7 +486,7 @@ 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)) && \
+ (((__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)) && \
@@ -466,7 +494,7 @@ static inline struct raw6_sock *raw6_sk(const struct sock *sk)
(!((__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))) && \