92 			       __be32 daddr, __be32 saddr, const struct tcphdr *th);
482  * it's just the icmp type << 8 | icmp code.  After adjustment
483  * header points to the first 8 bytes of the tcp header.  We need
497 	struct tcphdr *th = (struct tcphdr *)(skb->data + (iph->ihl << 2));  in tcp_v4_err()  local
508 				       iph->daddr, th->dest, iph->saddr,  in tcp_v4_err()
509 				       ntohs(th->source), inet_iif(skb), 0);  in tcp_v4_err()
520 	seq = ntohl(th->seq);  in tcp_v4_err()
623 		ip_icmp_error(sk, skb, err, th->dest, info, (u8 *)th);  in tcp_v4_err()
664 	struct tcphdr *th = tcp_hdr(skb);  in __tcp_v4_send_check()  local
666 	th->check = ~tcp_v4_check(skb->len, saddr, daddr, 0);  in __tcp_v4_send_check()
705 				 (aoh->rnext_keyid << 8) | keyid);  in tcp_v4_ao_sign_reset()
742 	const struct tcphdr *th = tcp_hdr(skb);  in tcp_v4_send_reset()  local
744 		struct tcphdr th;  in tcp_v4_send_reset()  member
762 	if (th->rst)  in tcp_v4_send_reset()
773 	rep.th.dest   = th->source;  in tcp_v4_send_reset()
774 	rep.th.source = th->dest;  in tcp_v4_send_reset()
775 	rep.th.doff   = sizeof(struct tcphdr) / 4;  in tcp_v4_send_reset()
776 	rep.th.rst    = 1;  in tcp_v4_send_reset()
778 	if (th->ack) {  in tcp_v4_send_reset()
779 		rep.th.seq = th->ack_seq;  in tcp_v4_send_reset()
781 		rep.th.ack = 1;  in tcp_v4_send_reset()
782 		rep.th.ack_seq = htonl(ntohl(th->seq) + th->syn + th->fin +  in tcp_v4_send_reset()
783 				       skb->len - (th->doff << 2));  in tcp_v4_send_reset()
788 	arg.iov[0].iov_len  = sizeof(rep.th);  in tcp_v4_send_reset()
796 	if (aoh && tcp_v4_ao_sign_reset(sk, skb, aoh, &arg, &rep.th, rep.opt))  in tcp_v4_send_reset()
826 					     th->source, ip_hdr(skb)->daddr,  in tcp_v4_send_reset()
827 					     ntohs(th->source), dif, sdif);  in tcp_v4_send_reset()
851 				   (TCPOPT_MD5SIG << 8) |  in tcp_v4_send_reset()
855 		rep.th.doff = arg.iov[0].iov_len / 4;  in tcp_v4_send_reset()
859 				     ip_hdr(skb)->daddr, &rep.th);  in tcp_v4_send_reset()
869 			rep.th.doff = arg.iov[0].iov_len / 4;  in tcp_v4_send_reset()
941 	const struct tcphdr *th = tcp_hdr(skb);  in tcp_v4_send_ack()  local
943 		struct tcphdr th;  in tcp_v4_send_ack()  member
951 	memset(&rep.th, 0, sizeof(struct tcphdr));  in tcp_v4_send_ack()
955 	arg.iov[0].iov_len  = sizeof(rep.th);  in tcp_v4_send_ack()
958 				   (TCPOPT_TIMESTAMP << 8) |  in tcp_v4_send_ack()
966 	rep.th.dest    = th->source;  in tcp_v4_send_ack()
967 	rep.th.source  = th->dest;  in tcp_v4_send_ack()
968 	rep.th.doff    = arg.iov[0].iov_len / 4;  in tcp_v4_send_ack()
969 	rep.th.seq     = htonl(seq);  in tcp_v4_send_ack()
970 	rep.th.ack_seq = htonl(ack);  in tcp_v4_send_ack()
971 	rep.th.ack     = 1;  in tcp_v4_send_ack()
972 	rep.th.window  = htons(win);  in tcp_v4_send_ack()
980 					  (TCPOPT_MD5SIG << 8) |  in tcp_v4_send_ack()
983 		rep.th.doff = arg.iov[0].iov_len/4;  in tcp_v4_send_ack()
987 				    ip_hdr(skb)->daddr, &rep.th);  in tcp_v4_send_ack()
996 					  (key->ao_key->sndid << 8) |  in tcp_v4_send_ack()
999 		rep.th.doff = arg.iov[0].iov_len / 4;  in tcp_v4_send_ack()
1005 				&rep.th, key->sne);  in tcp_v4_send_ack()
1580 				   const struct tcphdr *th, int nbytes)  argument
1594 	memcpy(_th, th, sizeof(*th));
1597 	sg_init_one(&sg, bp, sizeof(*bp) + sizeof(*th));
1599 				sizeof(*bp) + sizeof(*th));
1604 			       __be32 daddr, __be32 saddr, const struct tcphdr *th)  argument
1613 	if (tcp_v4_md5_hash_headers(&hp, daddr, saddr, th, th->doff << 2))
1635 	const struct tcphdr *th = tcp_hdr(skb);  local
1654 	if (tcp_v4_md5_hash_headers(&hp, daddr, saddr, th, skb->len))
1656 	if (tcp_sigpool_hash_skb_data(&hp, skb, th->doff << 2))
1871 	const struct tcphdr *th = tcp_hdr(skb);  local
1873 	if (!th->syn)
1880 			 struct tcphdr *th, u32 *cookie)  argument
1885 				    &tcp_request_sock_ipv4_ops, sk, th);
1887 		*cookie = __cookie_v4_init_sequence(iph, th, &mss);
1979 	const struct tcphdr *th;  local
1989 	th = tcp_hdr(skb);
1991 	if (th->doff < sizeof(struct tcphdr) / 4)
1995 				       iph->saddr, th->source,
1996 				       iph->daddr, ntohs(th->dest),
2019 	const struct tcphdr *th;  local
2052 	th = (const struct tcphdr *)skb->data;
2053 	hdrlen = th->doff * 4;
2070 	    thtail->doff != th->doff ||
2071 	    memcmp(thtail + 1, th + 1, hdrlen - sizeof(*th)))
2089 			thtail->window = th->window;
2100 		thtail->fin |= th->fin;
2150 	struct tcphdr *th = (struct tcphdr *)skb->data;  local
2152 	return sk_filter_trim_cap(sk, skb, th->doff * 4);
2163 			   const struct tcphdr *th)  argument
2172 	TCP_SKB_CB(skb)->seq = ntohl(th->seq);
2173 	TCP_SKB_CB(skb)->end_seq = (TCP_SKB_CB(skb)->seq + th->syn + th->fin +
2174 				    skb->len - th->doff * 4);
2175 	TCP_SKB_CB(skb)->ack_seq = ntohl(th->ack_seq);
2176 	TCP_SKB_CB(skb)->tcp_flags = tcp_flags_ntohs(th);
2195 	const struct tcphdr *th;  local
2211 	th = (const struct tcphdr *)skb->data;
2213 	if (unlikely(th->doff < sizeof(struct tcphdr) / 4)) {
2217 	if (!pskb_may_pull(skb, th->doff * 4))
2222 	 * provided case of th->doff==0 is eliminated.
2228 	th = (const struct tcphdr *)skb->data;
2232 			       skb, __tcp_hdrlen(th), th->source,
2233 			       th->dest, sdif, &refcounted);
2280 			th = (const struct tcphdr *)skb->data;
2282 			tcp_v4_fill_cb(skb, iph, th);
2346 	th = (const struct tcphdr *)skb->data;
2348 	tcp_v4_fill_cb(skb, iph, th);
2381 	tcp_v4_fill_cb(skb, iph, th);
2413 	tcp_v4_fill_cb(skb, iph, th);
2420 	tw_status = tcp_timewait_state_process(inet_twsk(sk), skb, th, &isn);
2425 							skb, __tcp_hdrlen(th),
2426 							iph->saddr, th->source,
2427 							iph->daddr, th->dest,
2886 		" %02X %08X:%08X %02X:%08lX %08X %5u %8d %u %d %pK",
2949 			"%08X %5u %8d %lu %d %pK %lu %lu %u %u %d",
2982 		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK",
3028 	uid_t uid __aligned(8);