#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
+struct tcp6_request_sock {
+ struct tcp_request_sock req;
+ struct in6_addr loc_addr;
+ struct in6_addr rmt_addr;
+ struct sk_buff *pktopts;
+ int iif;
+};
+
+static inline struct tcp6_request_sock *tcp6_rsk(const struct request_sock *sk)
+{
+ return (struct tcp6_request_sock *)sk;
+}
+
/**
* struct ipv6_pinfo - ipv6 private area
*