1298 			    u32 prior_snd_una, struct tcp_sacktag_state *state)  in tcp_check_dsack()  argument
1328 	    !after(end_seq_0, prior_snd_una) &&  in tcp_check_dsack()
1857 			u32 prior_snd_una, struct tcp_sacktag_state *state)  in tcp_sacktag_write_queue()  argument
1879 					 num_sacks, prior_snd_una, state);  in tcp_sacktag_write_queue()
1885 	if (before(TCP_SKB_CB(ack_skb)->ack_seq, prior_snd_una - tp->max_window))  in tcp_sacktag_write_queue()
1924 		if (!after(sp[used_sacks].end_seq, prior_snd_una)) {  in tcp_sacktag_write_queue()
3002 static bool tcp_try_undo_partial(struct sock *sk, u32 prior_snd_una,  in tcp_try_undo_partial()  argument
3011 		tcp_check_sack_reordering(sk, prior_snd_una, 1);  in tcp_try_undo_partial()
3066 static void tcp_fastretrans_alert(struct sock *sk, const u32 prior_snd_una,  in tcp_fastretrans_alert()  argument
3123 		} else if (tcp_try_undo_partial(sk, prior_snd_una, &do_lost))  in tcp_fastretrans_alert()
3325 			   const struct sk_buff *ack_skb, u32 prior_snd_una)  in tcp_ack_tstamp()  argument
3334 	if (!before(shinfo->tskey, prior_snd_una) &&  in tcp_ack_tstamp()
3347 			       u32 prior_fack, u32 prior_snd_una,  in tcp_clean_rtx_queue()  argument
3434 		tcp_ack_tstamp(sk, skb, ack_skb, prior_snd_una);  in tcp_clean_rtx_queue()
3448 	if (likely(between(tp->snd_up, prior_snd_una, tp->snd_una)))  in tcp_clean_rtx_queue()
3452 		tcp_ack_tstamp(sk, skb, ack_skb, prior_snd_una);  in tcp_clean_rtx_queue()
3462 		    (tp->snd_una - prior_snd_una) < tp->mss_cache &&  in tcp_clean_rtx_queue()
3916 	u32 prior_snd_una = tp->snd_una;  in tcp_ack()  local
3937 	if (before(ack, prior_snd_una)) {  in tcp_ack()
3943 		if (before(ack, prior_snd_una - max_window)) {  in tcp_ack()
3957 	if (after(ack, prior_snd_una)) {  in tcp_ack()
4001 			flag |= tcp_sacktag_write_queue(sk, skb, prior_snd_una,  in tcp_ack()
4038 	flag |= tcp_clean_rtx_queue(sk, skb, prior_fack, prior_snd_una,  in tcp_ack()
4054 		tcp_fastretrans_alert(sk, prior_snd_una, num_dupack, &flag,  in tcp_ack()
4076 		tcp_fastretrans_alert(sk, prior_snd_una, num_dupack, &flag,  in tcp_ack()
4095 		flag |= tcp_sacktag_write_queue(sk, skb, prior_snd_una,  in tcp_ack()
4097 		tcp_fastretrans_alert(sk, prior_snd_una, num_dupack, &flag,  in tcp_ack()