438 			shinfo->tskey = TCP_SKB_CB(skb)->seq + skb->len - 1;  in tcp_tx_timestamp()
607 	TCP_SKB_CB(skb)->tcp_flags |= TCPHDR_PSH;  in tcp_mark_push()
619 	struct tcp_skb_cb *tcb = TCP_SKB_CB(skb);  in skb_entail()
947 		TCP_SKB_CB(skb)->end_seq += copy;  in do_tcp_sendpages()
951 			TCP_SKB_CB(skb)->tcp_flags &= ~TCPHDR_PSH;  in do_tcp_sendpages()
1167 				TCP_SKB_CB(skb)->sacked |= TCPCB_REPAIRED;  in tcp_sendmsg()
1222 			TCP_SKB_CB(skb)->tcp_flags &= ~TCPHDR_PSH;  in tcp_sendmsg()
1225 		TCP_SKB_CB(skb)->end_seq += copy;  in tcp_sendmsg()
1364 	WARN(skb && !before(tp->copied_seq, TCP_SKB_CB(skb)->end_seq),  in tcp_cleanup_rbuf()
1366 	     tp->copied_seq, TCP_SKB_CB(skb)->end_seq, tp->rcv_nxt);  in tcp_cleanup_rbuf()
1439 		offset = seq - TCP_SKB_CB(skb)->seq;  in tcp_recv_skb()
1440 		if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_SYN)  in tcp_recv_skb()
1442 		if (offset < skb->len || (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)) {  in tcp_recv_skb()
1515 		if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN) {  in tcp_read_sock()
1622 			if (WARN(before(*seq, TCP_SKB_CB(skb)->seq),  in tcp_recvmsg()
1624 				 *seq, TCP_SKB_CB(skb)->seq, tp->rcv_nxt,  in tcp_recvmsg()
1628 			offset = *seq - TCP_SKB_CB(skb)->seq;  in tcp_recvmsg()
1629 			if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_SYN)  in tcp_recvmsg()
1633 			if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)  in tcp_recvmsg()
1637 			     *seq, TCP_SKB_CB(skb)->seq, tp->rcv_nxt, flags);  in tcp_recvmsg()
1820 		if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)  in tcp_recvmsg()
2008 		u32 len = TCP_SKB_CB(skb)->end_seq - TCP_SKB_CB(skb)->seq;  in tcp_close()
2010 		if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)  in tcp_close()