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Diffstat (limited to 'include/linux/ipv6.h')
-rw-r--r--include/linux/ipv6.h27
1 files changed, 25 insertions, 2 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 7edc14fb66b6..c6dbcd84a2c7 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -63,7 +63,8 @@ struct ipv6_devconf {
} stable_secret;
__s32 use_oif_addrs_only;
__s32 keep_addr_on_down;
- void *sysctl;
+
+ struct ctl_table_header *sysctl_header;
};
struct ipv6_params {
@@ -117,14 +118,29 @@ struct inet6_skb_parm {
#define IP6SKB_ROUTERALERT 8
#define IP6SKB_FRAGMENTED 16
#define IP6SKB_HOPBYHOP 32
+#define IP6SKB_L3SLAVE 64
};
+#if defined(CONFIG_NET_L3_MASTER_DEV)
+static inline bool skb_l3mdev_slave(__u16 flags)
+{
+ return flags & IP6SKB_L3SLAVE;
+}
+#else
+static inline bool skb_l3mdev_slave(__u16 flags)
+{
+ return false;
+}
+#endif
+
#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
#define IP6CBMTU(skb) ((struct ip6_mtuinfo *)((skb)->cb))
static inline int inet6_iif(const struct sk_buff *skb)
{
- return IP6CB(skb)->iif;
+ bool l3_slave = skb_l3mdev_slave(IP6CB(skb)->flags);
+
+ return l3_slave ? skb->skb_iif : IP6CB(skb)->iif;
}
struct tcp6_request_sock {
@@ -267,6 +283,8 @@ struct tcp6_timewait_sock {
};
#if IS_ENABLED(CONFIG_IPV6)
+bool ipv6_mod_enabled(void);
+
static inline struct ipv6_pinfo *inet6_sk(const struct sock *__sk)
{
return sk_fullsock(__sk) ? inet_sk(__sk)->pinet6 : NULL;
@@ -310,6 +328,11 @@ static inline int inet_v6_ipv6only(const struct sock *sk)
#define ipv6_only_sock(sk) 0
#define ipv6_sk_rxinfo(sk) 0
+static inline bool ipv6_mod_enabled(void)
+{
+ return false;
+}
+
static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk)
{
return NULL;