487 		struct tcp_skb_cb *tcb = TCP_SKB_CB(skb);  in tcp_tx_timestamp()
493 			shinfo->tskey = TCP_SKB_CB(skb)->seq + skb->len - 1;  in tcp_tx_timestamp()
667 	TCP_SKB_CB(skb)->tcp_flags |= TCPHDR_PSH;  in tcp_mark_push()
679 	struct tcp_skb_cb *tcb = TCP_SKB_CB(skb);  in tcp_skb_entail()
955 	if (skb && TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq) {  in tcp_remove_empty_skb()
1186 				TCP_SKB_CB(skb)->sacked |= TCPCB_REPAIRED;  in tcp_sendmsg_locked()
1286 			TCP_SKB_CB(skb)->tcp_flags &= ~TCPHDR_PSH;  in tcp_sendmsg_locked()
1289 		TCP_SKB_CB(skb)->end_seq += copy;  in tcp_sendmsg_locked()
1295 				TCP_SKB_CB(skb)->eor = 1;  in tcp_sendmsg_locked()
1514 	WARN(skb && !before(tp->copied_seq, TCP_SKB_CB(skb)->end_seq),  in tcp_cleanup_rbuf()
1516 	     tp->copied_seq, TCP_SKB_CB(skb)->end_seq, tp->rcv_nxt);  in tcp_cleanup_rbuf()
1538 		offset = seq - TCP_SKB_CB(skb)->seq;  in tcp_recv_skb()
1539 		if (unlikely(TCP_SKB_CB(skb)->tcp_flags & TCPHDR_SYN)) {  in tcp_recv_skb()
1543 		if (offset < skb->len || (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)) {  in tcp_recv_skb()
1620 		if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN) {  in __tcp_read_sock()
1675 		tcp_flags = TCP_SKB_CB(skb)->tcp_flags;  in tcp_read_skb()
1713 		if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN) {  in tcp_read_done()
1964 		offset = *seq - TCP_SKB_CB(skb)->seq;  in tcp_zc_handle_leftover()
1967 		if (TCP_SKB_CB(skb)->has_rxtstamp) {  in tcp_zc_handle_leftover()
2181 				offset = seq - TCP_SKB_CB(skb)->seq;  in tcp_zerocopy_receive()
2189 			if (TCP_SKB_CB(skb)->has_rxtstamp) {  in tcp_zerocopy_receive()
2646 			if (WARN(before(*seq, TCP_SKB_CB(skb)->seq),  in tcp_recvmsg_locked()
2648 				 *seq, TCP_SKB_CB(skb)->seq, tp->rcv_nxt,  in tcp_recvmsg_locked()
2652 			offset = *seq - TCP_SKB_CB(skb)->seq;  in tcp_recvmsg_locked()
2653 			if (unlikely(TCP_SKB_CB(skb)->tcp_flags & TCPHDR_SYN)) {  in tcp_recvmsg_locked()
2659 			if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)  in tcp_recvmsg_locked()
2663 			     *seq, TCP_SKB_CB(skb)->seq, tp->rcv_nxt, flags);  in tcp_recvmsg_locked()
2808 		if (TCP_SKB_CB(skb)->has_rxtstamp) {  in tcp_recvmsg_locked()
2816 		if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)  in tcp_recvmsg_locked()
3082 		u32 len = TCP_SKB_CB(skb)->end_seq - TCP_SKB_CB(skb)->seq;  in __tcp_close()
3084 		if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)  in __tcp_close()