2955 static void tcp_cong_avoid(struct sock *sk, u32 ack, u32 acked)  in tcp_cong_avoid()  argument
2959 	icsk->icsk_ca_ops->cong_avoid(sk, ack, acked);  in tcp_cong_avoid()
3276 					const u32 ack, const u32 ack_seq,  in tcp_may_update_window()  argument
3279 	return	after(ack, tp->snd_una) ||  in tcp_may_update_window()
3285 static void tcp_snd_una_update(struct tcp_sock *tp, u32 ack)  in tcp_snd_una_update()  argument
3287 	u32 delta = ack - tp->snd_una;  in tcp_snd_una_update()
3292 	tp->snd_una = ack;  in tcp_snd_una_update()
3311 static int tcp_ack_update_window(struct sock *sk, const struct sk_buff *skb, u32 ack,  in tcp_ack_update_window()  argument
3321 	if (tcp_may_update_window(tp, ack, ack_seq, nwin)) {  in tcp_ack_update_window()
3341 	tcp_snd_una_update(tp, ack);  in tcp_ack_update_window()
3429 static void tcp_process_tlp_ack(struct sock *sk, u32 ack, int flag)  in tcp_process_tlp_ack()  argument
3433 	if (before(ack, tp->tlp_high_seq))  in tcp_process_tlp_ack()
3439 	} else if (after(ack, tp->tlp_high_seq)) {  in tcp_process_tlp_ack()
3471 	u32 ack = TCP_SKB_CB(skb)->ack_seq;  in tcp_ack()  local
3485 	if (before(ack, prior_snd_una)) {  in tcp_ack()
3487 		if (before(ack, prior_snd_una - tp->max_window)) {  in tcp_ack()
3497 	if (after(ack, tp->snd_nxt))  in tcp_ack()
3504 	if (after(ack, prior_snd_una)) {  in tcp_ack()
3517 	if (!(flag & FLAG_SLOWPATH) && after(ack, prior_snd_una)) {  in tcp_ack()
3523 		tcp_snd_una_update(tp, ack);  in tcp_ack()
3537 		flag |= tcp_ack_update_window(sk, skb, ack, ack_seq);  in tcp_ack()
3571 		tcp_cong_avoid(sk, ack, acked);  in tcp_ack()
3579 		tcp_process_tlp_ack(sk, ack, flag);  in tcp_ack()
3605 		tcp_process_tlp_ack(sk, ack, flag);  in tcp_ack()
3609 	SOCK_DEBUG(sk, "Ack %u after %u:%u\n", ack, tp->snd_una, tp->snd_nxt);  in tcp_ack()
3623 	SOCK_DEBUG(sk, "Ack %u before %u:%u\n", ack, tp->snd_una, tp->snd_nxt);  in tcp_ack()
3869 	u32 ack = TCP_SKB_CB(skb)->ack_seq;  in tcp_disordered_ack()  local
3872 		(th->ack && seq == TCP_SKB_CB(skb)->end_seq && seq == tp->rcv_nxt) &&  in tcp_disordered_ack()
3875 		ack == tp->snd_una &&  in tcp_disordered_ack()
3878 		!tcp_may_update_window(tp, ack, seq, ntohs(th->window) << tp->rx_opt.snd_wscale) &&  in tcp_disordered_ack()
5340 	if (!th->ack && !th->rst && !th->syn)  in tcp_rcv_established()
5481 	if (th->ack) {  in tcp_rcv_synsent_state_process()
5714 		if (th->ack)  in tcp_rcv_state_process()
5769 	if (!th->ack && !th->rst && !th->syn)  in tcp_rcv_state_process()