789 		if (after(tp->snd_una, tp->rtt_seq)) {  in tcp_rtt_estimator()
1076 	if (after(start_seq, tp->snd_una))  in tcp_is_sackblock_valid()
1083 	if (after(end_seq, tp->snd_una))  in tcp_is_sackblock_valid()
1223 	if (!after(end_seq, tp->snd_una))  in tcp_sacktag_one()
1406 	if (!after(TCP_SKB_CB(skb)->end_seq, tp->snd_una))  in tcp_shift_skb_data()
1486 	if (!after(TCP_SKB_CB(skb)->seq + len, tp->snd_una))  in tcp_shift_skb_data()
1713 				if ((TCP_SKB_CB(ack_skb)->ack_seq != tp->snd_una) &&  in tcp_sacktag_write_queue()
1714 				    !after(sp[used_sacks].end_seq, tp->snd_una))  in tcp_sacktag_write_queue()
1933 	tp->undo_marker = tp->snd_una;  in tcp_init_undo()
1989 	    !after(tp->high_seq, tp->snd_una) ||  in tcp_enter_loss()
2192 		if (mark_head && after(TCP_SKB_CB(skb)->seq, tp->snd_una))  in tcp_mark_head_lost()
2392 	if (tp->snd_una == tp->high_seq && tcp_is_reno(tp)) {  in tcp_try_undo_recovery()
2662 	bool recovered = !before(tp->snd_una, tp->high_seq);  in tcp_process_loss()
2765 		     tp->snd_una + tp->reordering * tp->mss_cache);  in tcp_force_fast_retransmit()
2809 	} else if (!before(tp->snd_una, tp->high_seq)) {  in tcp_fastretrans_alert()
2814 			if (tp->snd_una != tp->high_seq) {  in tcp_fastretrans_alert()
2877 		    tp->snd_una == tp->mtu_probe.probe_seq_start) {  in tcp_fastretrans_alert()
3021 	BUG_ON(!after(TCP_SKB_CB(skb)->end_seq, tp->snd_una));  in tcp_tso_acked()
3024 	if (tcp_trim_head(sk, skb, tp->snd_una - TCP_SKB_CB(skb)->seq))  in tcp_tso_acked()
3047 	    before(shinfo->tskey, tcp_sk(sk)->snd_una)) {  in tcp_ack_tstamp()
3088 		if (after(scb->end_seq, tp->snd_una)) {  in tcp_clean_rtx_queue()
3090 			    !after(tp->snd_una, scb->seq))  in tcp_clean_rtx_queue()
3161 	if (likely(between(tp->snd_up, prior_snd_una, tp->snd_una)))  in tcp_clean_rtx_queue()
3162 		tp->snd_up = tp->snd_una;  in tcp_clean_rtx_queue()
3192 			     !after(tp->mtu_probe.probe_seq_end, tp->snd_una))) {  in tcp_clean_rtx_queue()
3336 	return	after(ack, tp->snd_una) ||  in tcp_may_update_window()
3344 	u32 delta = ack - tp->snd_una;  in tcp_snd_una_update()
3348 	tp->snd_una = ack;  in tcp_snd_una_update()
3577 	u32 prior_snd_una = tp->snd_una;  in tcp_ack()
3624 	prior_fack = tcp_is_sack(tp) ? tcp_highest_sack_seq(tp) : tp->snd_una;  in tcp_ack()
3725 	SOCK_DEBUG(sk, "Ack %u after %u:%u\n", ack, tp->snd_una, tp->snd_nxt);  in tcp_ack()
3741 	SOCK_DEBUG(sk, "Ack %u before %u:%u\n", ack, tp->snd_una, tp->snd_nxt);  in tcp_ack()
4011 		ack == tp->snd_una &&  in tcp_disordered_ack()
4667 	TCP_SKB_CB(skb)->ack_seq = tcp_sk(sk)->snd_una - 1;  in tcp_send_rcvq()
5599 			if (TCP_SKB_CB(skb)->ack_seq != tp->snd_una) {  in tcp_rcv_established()
5778 		if (!after(TCP_SKB_CB(skb)->ack_seq, tp->snd_una) ||  in tcp_rcv_synsent_state_process()
6107 		tp->snd_una = TCP_SKB_CB(skb)->ack_seq;  in tcp_rcv_state_process()
6137 		if (tp->snd_una != tp->write_seq)  in tcp_rcv_state_process()
6185 		if (tp->snd_una == tp->write_seq) {  in tcp_rcv_state_process()
6192 		if (tp->snd_una == tp->write_seq) {  in tcp_rcv_state_process()