420 	tp->rcvq_space.seq = tp->copied_seq;  in tcp_init_buffer_space()
533 	if (before(tp->rcv_nxt, tp->rcv_rtt_est.seq))  in tcp_rcv_rtt_measure()
538 	tp->rcv_rtt_est.seq = tp->rcv_nxt + tp->rcv_wnd;  in tcp_rcv_rtt_measure()
548 	     TCP_SKB_CB(skb)->seq >= inet_csk(sk)->icsk_ack.rcv_mss))  in tcp_rcv_rtt_measure_ts()
567 	copied = tp->copied_seq - tp->rcvq_space.seq;  in tcp_rcv_space_adjust()
618 	tp->rcvq_space.seq = tp->copied_seq;  in tcp_rcv_space_adjust()
891 	    before(TCP_SKB_CB(skb)->seq,  in tcp_verify_retransmit_hint()
892 		   TCP_SKB_CB(tp->retransmit_skb_hint)->seq))  in tcp_verify_retransmit_hint()
1114 	in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq) &&  in tcp_match_skb_to_sack()
1120 		in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq);  in tcp_match_skb_to_sack()
1123 			pkt_len = start_seq - TCP_SKB_CB(skb)->seq;  in tcp_match_skb_to_sack()
1127 			pkt_len = end_seq - TCP_SKB_CB(skb)->seq;  in tcp_match_skb_to_sack()
1218 		    before(start_seq, TCP_SKB_CB(tp->lost_skb_hint)->seq))  in tcp_sacktag_one()
1247 	u32 start_seq = TCP_SKB_CB(skb)->seq;	/* start of newly-SACKed */  in tcp_shifted_skb()
1266 	TCP_SKB_CB(skb)->seq += shifted;  in tcp_shifted_skb()
1367 	in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq) &&  in tcp_shift_skb_data()
1390 		in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq);  in tcp_shift_skb_data()
1406 		len = end_seq - TCP_SKB_CB(skb)->seq;  in tcp_shift_skb_data()
1433 	if (!after(TCP_SKB_CB(skb)->seq + len, tp->snd_una))  in tcp_shift_skb_data()
1489 		if (!before(TCP_SKB_CB(skb)->seq, end_seq))  in tcp_sacktag_walk()
1493 		    before(TCP_SKB_CB(skb)->seq, next_dup->end_seq)) {  in tcp_sacktag_walk()
1530 						TCP_SKB_CB(skb)->seq,  in tcp_sacktag_walk()
1536 			if (!before(TCP_SKB_CB(skb)->seq,  in tcp_sacktag_walk()
3066 	if (tcp_trim_head(sk, skb, tp->snd_una - TCP_SKB_CB(skb)->seq))  in tcp_tso_acked()
3072 		BUG_ON(!before(TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq));  in tcp_tso_acked()
3127 			    !after(tp->snd_una, scb->seq))  in tcp_clean_rtx_queue()
3340 static void tcp_rcv_nxt_update(struct tcp_sock *tp, u32 seq)  in tcp_rcv_nxt_update()  argument
3342 	u32 delta = seq - tp->rcv_nxt;  in tcp_rcv_nxt_update()
3347 	tp->rcv_nxt = seq;  in tcp_rcv_nxt_update()
3404 	if ((TCP_SKB_CB(skb)->seq != TCP_SKB_CB(skb)->end_seq) &&  in tcp_oow_rate_limited()
3456 static void tcp_replace_ts_recent(struct tcp_sock *tp, u32 seq)  in tcp_replace_ts_recent()  argument
3458 	if (tp->rx_opt.saw_tstamp && !after(seq, tp->rcv_wup)) {  in tcp_replace_ts_recent()
3518 	u32 ack_seq = TCP_SKB_CB(skb)->seq;  in tcp_ack()
3564 		tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq);  in tcp_ack()
3917 	u32 seq = TCP_SKB_CB(skb)->seq;  in tcp_disordered_ack()  local
3921 		(th->ack && seq == TCP_SKB_CB(skb)->end_seq && seq == tp->rcv_nxt) &&  in tcp_disordered_ack()
3927 		!tcp_may_update_window(tp, ack, seq, ntohs(th->window) << tp->rx_opt.snd_wscale) &&  in tcp_disordered_ack()
3955 static inline bool tcp_sequence(const struct tcp_sock *tp, u32 seq, u32 end_seq)  in tcp_sequence()  argument
3958 		!after(seq, tp->rcv_nxt + tcp_receive_window(tp));  in tcp_sequence()
4069 static inline bool tcp_sack_extend(struct tcp_sack_block *sp, u32 seq,  in tcp_sack_extend()  argument
4072 	if (!after(seq, sp->end_seq) && !after(sp->start_seq, end_seq)) {  in tcp_sack_extend()
4073 		if (before(seq, sp->start_seq))  in tcp_sack_extend()
4074 			sp->start_seq = seq;  in tcp_sack_extend()
4082 static void tcp_dsack_set(struct sock *sk, u32 seq, u32 end_seq)  in tcp_dsack_set()  argument
4089 		if (before(seq, tp->rcv_nxt))  in tcp_dsack_set()
4097 		tp->duplicate_sack[0].start_seq = seq;  in tcp_dsack_set()
4102 static void tcp_dsack_extend(struct sock *sk, u32 seq, u32 end_seq)  in tcp_dsack_extend()  argument
4107 		tcp_dsack_set(sk, seq, end_seq);  in tcp_dsack_extend()
4109 		tcp_sack_extend(tp->duplicate_sack, seq, end_seq);  in tcp_dsack_extend()
4116 	if (TCP_SKB_CB(skb)->end_seq != TCP_SKB_CB(skb)->seq &&  in tcp_send_dupack()
4117 	    before(TCP_SKB_CB(skb)->seq, tp->rcv_nxt)) {  in tcp_send_dupack()
4126 			tcp_dsack_set(sk, TCP_SKB_CB(skb)->seq, end_seq);  in tcp_send_dupack()
4161 static void tcp_sack_new_ofo_skb(struct sock *sk, u32 seq, u32 end_seq)  in tcp_sack_new_ofo_skb()  argument
4172 		if (tcp_sack_extend(sp, seq, end_seq)) {  in tcp_sack_new_ofo_skb()
4198 	sp->start_seq = seq;  in tcp_sack_new_ofo_skb()
4260 	if (TCP_SKB_CB(from)->seq != TCP_SKB_CB(to)->end_seq)  in tcp_try_coalesce()
4286 		if (after(TCP_SKB_CB(skb)->seq, tp->rcv_nxt))  in tcp_ofo_queue()
4289 		if (before(TCP_SKB_CB(skb)->seq, dsack_high)) {  in tcp_ofo_queue()
4293 			tcp_dsack_extend(sk, TCP_SKB_CB(skb)->seq, dsack);  in tcp_ofo_queue()
4303 			   tp->rcv_nxt, TCP_SKB_CB(skb)->seq,  in tcp_ofo_queue()
4345 	u32 seq, end_seq;  in tcp_data_queue_ofo()  local
4361 		   tp->rcv_nxt, TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq);  in tcp_data_queue_ofo()
4368 			tp->selective_acks[0].start_seq = TCP_SKB_CB(skb)->seq;  in tcp_data_queue_ofo()
4376 	seq = TCP_SKB_CB(skb)->seq;  in tcp_data_queue_ofo()
4379 	if (seq == TCP_SKB_CB(skb1)->end_seq) {  in tcp_data_queue_ofo()
4391 		    tp->selective_acks[0].end_seq != seq)  in tcp_data_queue_ofo()
4401 		if (!after(TCP_SKB_CB(skb1)->seq, seq))  in tcp_data_queue_ofo()
4411 	if (skb1 && before(seq, TCP_SKB_CB(skb1)->end_seq)) {  in tcp_data_queue_ofo()
4417 			tcp_dsack_set(sk, seq, end_seq);  in tcp_data_queue_ofo()
4420 		if (after(seq, TCP_SKB_CB(skb1)->seq)) {  in tcp_data_queue_ofo()
4422 			tcp_dsack_set(sk, seq,  in tcp_data_queue_ofo()
4443 		if (!after(end_seq, TCP_SKB_CB(skb1)->seq))  in tcp_data_queue_ofo()
4446 			tcp_dsack_extend(sk, TCP_SKB_CB(skb1)->seq,  in tcp_data_queue_ofo()
4451 		tcp_dsack_extend(sk, TCP_SKB_CB(skb1)->seq,  in tcp_data_queue_ofo()
4459 		tcp_sack_new_ofo_skb(sk, seq, end_seq);  in tcp_data_queue_ofo()
4517 	TCP_SKB_CB(skb)->seq = tcp_sk(sk)->rcv_nxt;  in tcp_send_rcvq()
4518 	TCP_SKB_CB(skb)->end_seq = TCP_SKB_CB(skb)->seq + size;  in tcp_send_rcvq()
4540 	if (TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq)  in tcp_data_queue()
4554 	if (TCP_SKB_CB(skb)->seq == tp->rcv_nxt) {  in tcp_data_queue()
4618 		tcp_dsack_set(sk, TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq);  in tcp_data_queue()
4629 	if (!before(TCP_SKB_CB(skb)->seq, tp->rcv_nxt + tcp_receive_window(tp)))  in tcp_data_queue()
4634 	if (before(TCP_SKB_CB(skb)->seq, tp->rcv_nxt)) {  in tcp_data_queue()
4637 			   tp->rcv_nxt, TCP_SKB_CB(skb)->seq,  in tcp_data_queue()
4640 		tcp_dsack_set(sk, TCP_SKB_CB(skb)->seq, tp->rcv_nxt);  in tcp_data_queue()
4707 		     before(TCP_SKB_CB(skb)->seq, start))) {  in tcp_collapse()
4715 			    TCP_SKB_CB(skb)->end_seq != TCP_SKB_CB(next)->seq) {  in tcp_collapse()
4737 		TCP_SKB_CB(nskb)->seq = TCP_SKB_CB(nskb)->end_seq = start;  in tcp_collapse()
4743 			int offset = start - TCP_SKB_CB(skb)->seq;  in tcp_collapse()
4779 	start = TCP_SKB_CB(skb)->seq;  in tcp_collapse_ofo_queue()
4793 		    after(TCP_SKB_CB(skb)->seq, end) ||  in tcp_collapse_ofo_queue()
4801 			start = TCP_SKB_CB(skb)->seq;  in tcp_collapse_ofo_queue()
4804 			if (before(TCP_SKB_CB(skb)->seq, start))  in tcp_collapse_ofo_queue()
4805 				start = TCP_SKB_CB(skb)->seq;  in tcp_collapse_ofo_queue()
5000 	ptr += ntohl(th->seq);  in tcp_check_urg()
5069 		u32 ptr = tp->urg_seq - ntohl(th->seq) + (th->doff * 4) -  in tcp_urg()
5151 	if (!tcp_sequence(tp, TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq)) {  in tcp_validate_incoming()
5177 		if (TCP_SKB_CB(skb)->seq == tp->rcv_nxt)  in tcp_validate_incoming()
5262 	    TCP_SKB_CB(skb)->seq == tp->rcv_nxt &&  in tcp_rcv_established()
5581 		tcp_init_wl(tp, TCP_SKB_CB(skb)->seq);  in tcp_rcv_synsent_state_process()
5587 		tp->rcv_nxt = TCP_SKB_CB(skb)->seq + 1;  in tcp_rcv_synsent_state_process()
5588 		tp->rcv_wup = TCP_SKB_CB(skb)->seq + 1;  in tcp_rcv_synsent_state_process()
5688 		tp->rcv_nxt = TCP_SKB_CB(skb)->seq + 1;  in tcp_rcv_synsent_state_process()
5690 		tp->rcv_wup = TCP_SKB_CB(skb)->seq + 1;  in tcp_rcv_synsent_state_process()
5696 		tp->snd_wl1    = TCP_SKB_CB(skb)->seq;  in tcp_rcv_synsent_state_process()
5862 		tcp_init_wl(tp, TCP_SKB_CB(skb)->seq);  in tcp_rcv_state_process()
5928 		    (TCP_SKB_CB(skb)->end_seq != TCP_SKB_CB(skb)->seq &&  in tcp_rcv_state_process()
5977 		if (!before(TCP_SKB_CB(skb)->seq, tp->rcv_nxt))  in tcp_rcv_state_process()
5986 			if (TCP_SKB_CB(skb)->end_seq != TCP_SKB_CB(skb)->seq &&  in tcp_rcv_state_process()
6071 	tcp_rsk(req)->rcv_isn = TCP_SKB_CB(skb)->seq;  in tcp_openreq_init()
6072 	tcp_rsk(req)->rcv_nxt = TCP_SKB_CB(skb)->seq + 1;  in tcp_openreq_init()