44 static inline struct sock *get_cookie_sock(struct sock *sk, struct sk_buff *skb,  in get_cookie_sock()  argument
48 	struct inet_connection_sock *icsk = inet_csk(sk);  in get_cookie_sock()
51 	child = icsk->icsk_af_ops->syn_recv_sock(sk, skb, req, dst);  in get_cookie_sock()
54 		inet_csk_reqsk_queue_add(sk, req, child);  in get_cookie_sock()
134 __u32 cookie_v6_init_sequence(struct sock *sk, const struct sk_buff *skb, __u16 *mssp)  in cookie_v6_init_sequence()  argument
139 	tcp_synq_overflow(sk);  in cookie_v6_init_sequence()
140 	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESSENT);  in cookie_v6_init_sequence()
156 struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)  in cookie_v6_check()  argument
161 	struct ipv6_pinfo *np = inet6_sk(sk);  in cookie_v6_check()
162 	struct tcp_sock *tp = tcp_sk(sk);  in cookie_v6_check()
165 	struct sock *ret = sk;  in cookie_v6_check()
174 	if (tcp_synq_no_recent_overflow(sk))  in cookie_v6_check()
179 		NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESFAILED);  in cookie_v6_check()
183 	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESRECV);  in cookie_v6_check()
193 	req = inet_reqsk_alloc(&tcp6_request_sock_ops, sk);  in cookie_v6_check()
201 	if (security_inet_conn_request(sk, skb, req))  in cookie_v6_check()
209 	if (ipv6_opt_accepted(sk, skb, &TCP_SKB_CB(skb)->header.h6) ||  in cookie_v6_check()
216 	ireq->ir_iif = sk->sk_bound_dev_if;  in cookie_v6_check()
218 	if (!sk->sk_bound_dev_if &&  in cookie_v6_check()
222 	ireq->ir_mark = inet_request_mark(sk, skb);  in cookie_v6_check()
247 		fl6.flowi6_oif = sk->sk_bound_dev_if;  in cookie_v6_check()
250 		fl6.fl6_sport = inet_sk(sk)->inet_sport;  in cookie_v6_check()
253 		dst = ip6_dst_lookup_flow(sk, &fl6, final_p);  in cookie_v6_check()
259 	tcp_select_initial_window(tcp_full_space(sk), req->mss,  in cookie_v6_check()
265 	ireq->ecn_ok = cookie_ecn_ok(&tcp_opt, sock_net(sk), dst);  in cookie_v6_check()
267 	ret = get_cookie_sock(sk, skb, req, dst);  in cookie_v6_check()