178 u32 __cookie_v4_init_sequence(const struct iphdr *iph, const struct tcphdr *th,  in __cookie_v4_init_sequence()  argument
190 				     th->source, th->dest, ntohl(th->seq),  in __cookie_v4_init_sequence()
199 	const struct tcphdr *th = tcp_hdr(skb);  in cookie_v4_init_sequence()  local
204 	return __cookie_v4_init_sequence(iph, th, mssp);  in cookie_v4_init_sequence()
211 int __cookie_v4_check(const struct iphdr *iph, const struct tcphdr *th,  in __cookie_v4_check()  argument
214 	__u32 seq = ntohl(th->seq) - 1;  in __cookie_v4_check()
216 					    th->source, th->dest, seq);  in __cookie_v4_check()
298 	const struct tcphdr *th = tcp_hdr(skb);  in cookie_v4_check()  local
299 	__u32 cookie = ntohl(th->ack_seq) - 1;  in cookie_v4_check()
307 	if (!sysctl_tcp_syncookies || !th->ack || th->rst)  in cookie_v4_check()
313 	mss = __cookie_v4_check(ip_hdr(skb), th, cookie);  in cookie_v4_check()
335 	treq->rcv_isn		= ntohl(th->seq) - 1;  in cookie_v4_check()
338 	ireq->ir_num		= ntohs(th->dest);  in cookie_v4_check()
339 	ireq->ir_rmt_port	= th->source;  in cookie_v4_check()
375 			   ireq->ir_loc_addr, th->source, th->dest);  in cookie_v4_check()