26  * | 31 ...   6 |  5  |  4   | 3 2 1 0 |
38 #define TS_OPT_ECN		BIT(5)
154 u32 __cookie_v4_init_sequence(const struct iphdr *iph, const struct tcphdr *th,  in __cookie_v4_init_sequence()  argument
166 				     th->source, th->dest, ntohl(th->seq),  in __cookie_v4_init_sequence()
174 	const struct tcphdr *th = tcp_hdr(skb);  in cookie_v4_init_sequence()  local
176 	return __cookie_v4_init_sequence(iph, th, mssp);  in cookie_v4_init_sequence()
183 int __cookie_v4_check(const struct iphdr *iph, const struct tcphdr *th)  in __cookie_v4_check()  argument
185 	__u32 cookie = ntohl(th->ack_seq) - 1;  in __cookie_v4_check()
186 	__u32 seq = ntohl(th->seq) - 1;  in __cookie_v4_check()
190 				      th->source, th->dest, seq);  in __cookie_v4_check()
269 	const struct tcphdr *th = tcp_hdr(skb);  in cookie_tcp_reqsk_init()  local
273 	ireq->ir_num = ntohs(th->dest);  in cookie_tcp_reqsk_init()
274 	ireq->ir_rmt_port = th->source;  in cookie_tcp_reqsk_init()
284 	treq->rcv_isn = ntohl(th->seq) - 1;  in cookie_tcp_reqsk_init()
285 	treq->snt_isn = ntohl(th->ack_seq) - 1;  in cookie_tcp_reqsk_init()
401 	const struct tcphdr *th = tcp_hdr(skb);  in cookie_v4_check()  local
414 	    !th->ack || th->rst)  in cookie_v4_check()
456 			   ireq->ir_loc_addr, th->source, th->dest, sk->sk_uid);  in cookie_v4_check()