1055 		u32 ack_seq = TCP_SKB_CB(skb)->ack_seq;  in tcp_mark_lost_retrans()  local
1078 		if (after(received_upto, ack_seq)) {  in tcp_mark_lost_retrans()
1085 			if (before(ack_seq, new_low_seq))  in tcp_mark_lost_retrans()
1086 				new_low_seq = ack_seq;  in tcp_mark_lost_retrans()
1104 	if (before(start_seq_0, TCP_SKB_CB(ack_skb)->ack_seq)) {  in tcp_check_dsack()
1672 	if (before(TCP_SKB_CB(ack_skb)->ack_seq, prior_snd_una - tp->max_window))  in tcp_sacktag_write_queue()
1698 				if ((TCP_SKB_CB(ack_skb)->ack_seq != tp->snd_una) &&  in tcp_sacktag_write_queue()
3276 					const u32 ack, const u32 ack_seq,  in tcp_may_update_window()  argument
3280 		after(ack_seq, tp->snd_wl1) ||  in tcp_may_update_window()
3281 		(ack_seq == tp->snd_wl1 && nwin > tp->snd_wnd);  in tcp_may_update_window()
3312 				 u32 ack_seq)  in tcp_ack_update_window()  argument
3321 	if (tcp_may_update_window(tp, ack, ack_seq, nwin)) {  in tcp_ack_update_window()
3323 		tcp_update_wl(tp, ack_seq);  in tcp_ack_update_window()
3470 	u32 ack_seq = TCP_SKB_CB(skb)->seq;  in tcp_ack()  local
3471 	u32 ack = TCP_SKB_CB(skb)->ack_seq;  in tcp_ack()
3522 		tcp_update_wl(tp, ack_seq);  in tcp_ack()
3532 		if (ack_seq != TCP_SKB_CB(skb)->end_seq)  in tcp_ack()
3537 		flag |= tcp_ack_update_window(sk, skb, ack, ack_seq);  in tcp_ack()
3869 	u32 ack = TCP_SKB_CB(skb)->ack_seq;  in tcp_disordered_ack()
4224 	TCP_SKB_CB(to)->ack_seq = TCP_SKB_CB(from)->ack_seq;  in tcp_try_coalesce()
4473 	TCP_SKB_CB(skb)->ack_seq = tcp_sk(sk)->snd_una - 1;  in tcp_send_rcvq()
5215 	    !after(TCP_SKB_CB(skb)->ack_seq, tp->snd_nxt)) {  in tcp_rcv_established()
5319 			if (TCP_SKB_CB(skb)->ack_seq != tp->snd_una) {  in tcp_rcv_established()
5490 		if (!after(TCP_SKB_CB(skb)->ack_seq, tp->snd_una) ||  in tcp_rcv_synsent_state_process()
5491 		    after(TCP_SKB_CB(skb)->ack_seq, tp->snd_nxt))  in tcp_rcv_synsent_state_process()
5812 		tp->snd_una = TCP_SKB_CB(skb)->ack_seq;  in tcp_rcv_state_process()