473 		struct tcp_skb_cb *tcb = TCP_SKB_CB(skb);  in tcp_tx_timestamp()
479 			shinfo->tskey = TCP_SKB_CB(skb)->seq + skb->len - 1;  in tcp_tx_timestamp()
653 	TCP_SKB_CB(skb)->tcp_flags |= TCPHDR_PSH;  in tcp_mark_push()
665 	struct tcp_skb_cb *tcb = TCP_SKB_CB(skb);  in tcp_skb_entail()
940 	if (skb && TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq) {  in tcp_remove_empty_skb()
1168 				TCP_SKB_CB(skb)->sacked |= TCPCB_REPAIRED;  in tcp_sendmsg_locked()
1268 			TCP_SKB_CB(skb)->tcp_flags &= ~TCPHDR_PSH;  in tcp_sendmsg_locked()
1271 		TCP_SKB_CB(skb)->end_seq += copy;  in tcp_sendmsg_locked()
1277 				TCP_SKB_CB(skb)->eor = 1;  in tcp_sendmsg_locked()
1498 	WARN(skb && !before(tp->copied_seq, TCP_SKB_CB(skb)->end_seq),  in tcp_cleanup_rbuf()
1500 	     tp->copied_seq, TCP_SKB_CB(skb)->end_seq, tp->rcv_nxt);  in tcp_cleanup_rbuf()
1522 		offset = seq - TCP_SKB_CB(skb)->seq;  in tcp_recv_skb()
1523 		if (unlikely(TCP_SKB_CB(skb)->tcp_flags & TCPHDR_SYN)) {  in tcp_recv_skb()
1527 		if (offset < skb->len || (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)) {  in tcp_recv_skb()
1603 		if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN) {  in tcp_read_sock()
1640 		tcp_flags = TCP_SKB_CB(skb)->tcp_flags;  in tcp_read_skb()
1678 		if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN) {  in tcp_read_done()
1921 		offset = *seq - TCP_SKB_CB(skb)->seq;  in tcp_zc_handle_leftover()
1924 		if (TCP_SKB_CB(skb)->has_rxtstamp) {  in tcp_zc_handle_leftover()
2138 				offset = seq - TCP_SKB_CB(skb)->seq;  in tcp_zerocopy_receive()
2143 			if (TCP_SKB_CB(skb)->has_rxtstamp) {  in tcp_zerocopy_receive()
2381 			if (WARN(before(*seq, TCP_SKB_CB(skb)->seq),  in tcp_recvmsg_locked()
2383 				 *seq, TCP_SKB_CB(skb)->seq, tp->rcv_nxt,  in tcp_recvmsg_locked()
2387 			offset = *seq - TCP_SKB_CB(skb)->seq;  in tcp_recvmsg_locked()
2388 			if (unlikely(TCP_SKB_CB(skb)->tcp_flags & TCPHDR_SYN)) {  in tcp_recvmsg_locked()
2394 			if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)  in tcp_recvmsg_locked()
2398 			     *seq, TCP_SKB_CB(skb)->seq, tp->rcv_nxt, flags);  in tcp_recvmsg_locked()
2511 		if (TCP_SKB_CB(skb)->has_rxtstamp) {  in tcp_recvmsg_locked()
2519 		if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)  in tcp_recvmsg_locked()
2772 		u32 len = TCP_SKB_CB(skb)->end_seq - TCP_SKB_CB(skb)->seq;  in __tcp_close()
2774 		if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)  in __tcp_close()