982 static u32 tcp_dsack_seen(struct tcp_sock *tp, u32 start_seq,  in tcp_dsack_seen()  argument
987 	if (!before(start_seq, end_seq))  in tcp_dsack_seen()
990 	seq_len = end_seq - start_seq;  in tcp_dsack_seen()
1197 				   u32 start_seq, u32 end_seq)  in tcp_is_sackblock_valid()  argument
1200 	if (after(end_seq, tp->snd_nxt) || !before(start_seq, end_seq))  in tcp_is_sackblock_valid()
1204 	if (!before(start_seq, tp->snd_nxt))  in tcp_is_sackblock_valid()
1210 	if (after(start_seq, tp->snd_una))  in tcp_is_sackblock_valid()
1220 	if (!before(start_seq, tp->undo_marker))  in tcp_is_sackblock_valid()
1230 	return !before(start_seq, end_seq - tp->max_window);  in tcp_is_sackblock_valid()
1238 	u32 start_seq_0 = get_unaligned_be32(&sp[0].start_seq);  in tcp_check_dsack()
1246 		u32 start_seq_1 = get_unaligned_be32(&sp[1].start_seq);  in tcp_check_dsack()
1281 				  u32 start_seq, u32 end_seq)  in tcp_match_skb_to_sack()  argument
1288 	in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq) &&  in tcp_match_skb_to_sack()
1292 	    after(TCP_SKB_CB(skb)->end_seq, start_seq)) {  in tcp_match_skb_to_sack()
1294 		in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq);  in tcp_match_skb_to_sack()
1297 			pkt_len = start_seq - TCP_SKB_CB(skb)->seq;  in tcp_match_skb_to_sack()
1331 			  u32 start_seq, u32 end_seq,  in tcp_sacktag_one()  argument
1343 		    before(start_seq, state->reord))  in tcp_sacktag_one()
1344 				state->reord = start_seq;  in tcp_sacktag_one()
1369 				if (before(start_seq,  in tcp_sacktag_one()
1371 				    before(start_seq, state->reord))  in tcp_sacktag_one()
1372 					state->reord = start_seq;  in tcp_sacktag_one()
1395 		    before(start_seq, TCP_SKB_CB(tp->lost_skb_hint)->seq))  in tcp_sacktag_one()
1421 	u32 start_seq = TCP_SKB_CB(skb)->seq;	/* start of newly-SACKed */  in tcp_shifted_skb()  local
1422 	u32 end_seq = start_seq + shifted;	/* end of newly-SACKed */  in tcp_shifted_skb()
1433 			start_seq, end_seq, dup_sack, pcount,  in tcp_shifted_skb()
1530 					  u32 start_seq, u32 end_seq,  in tcp_shift_skb_data()  argument
1561 	in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq) &&  in tcp_shift_skb_data()
1575 		if (!after(TCP_SKB_CB(skb)->end_seq, start_seq))  in tcp_shift_skb_data()
1584 		in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq);  in tcp_shift_skb_data()
1669 					u32 start_seq, u32 end_seq,  in tcp_sacktag_walk()  argument
1686 							next_dup->start_seq,  in tcp_sacktag_walk()
1698 						 start_seq, end_seq, dup_sack);  in tcp_sacktag_walk()
1708 								start_seq,  in tcp_sacktag_walk()
1777 	if (before(next_dup->start_seq, skip_to_seq)) {  in tcp_maybe_skipping_dsack()
1778 		skb = tcp_sacktag_skip(skb, sk, next_dup->start_seq);  in tcp_maybe_skipping_dsack()
1780 				       next_dup->start_seq, next_dup->end_seq,  in tcp_maybe_skipping_dsack()
1833 		sp[used_sacks].start_seq = get_unaligned_be32(&sp_wire[i].start_seq);  in tcp_sacktag_write_queue()
1837 					    sp[used_sacks].start_seq,  in tcp_sacktag_write_queue()
1873 			if (after(sp[j].start_seq, sp[j + 1].start_seq)) {  in tcp_sacktag_write_queue()
1893 		while (tcp_sack_cache_ok(tp, cache) && !cache->start_seq &&  in tcp_sacktag_write_queue()
1899 		u32 start_seq = sp[i].start_seq;  in tcp_sacktag_write_queue()  local
1909 		       !before(start_seq, cache->end_seq))  in tcp_sacktag_write_queue()
1914 		    after(end_seq, cache->start_seq)) {  in tcp_sacktag_write_queue()
1917 			if (before(start_seq, cache->start_seq)) {  in tcp_sacktag_write_queue()
1918 				skb = tcp_sacktag_skip(skb, sk, start_seq);  in tcp_sacktag_write_queue()
1921 						       start_seq,  in tcp_sacktag_write_queue()
1922 						       cache->start_seq,  in tcp_sacktag_write_queue()
1950 		if (!before(start_seq, tcp_highest_sack_seq(tp))) {  in tcp_sacktag_write_queue()
1955 		skb = tcp_sacktag_skip(skb, sk, start_seq);  in tcp_sacktag_write_queue()
1959 				       start_seq, end_seq, dup_sack);  in tcp_sacktag_write_queue()
1967 		tp->recv_sack_cache[i].start_seq = 0;  in tcp_sacktag_write_queue()
3231 		const u32 start_seq = scb->seq;  in tcp_clean_rtx_queue()  local
3260 			if (before(start_seq, reord))  in tcp_clean_rtx_queue()
3261 				reord = start_seq;  in tcp_clean_rtx_queue()
4393 	if (!after(seq, sp->end_seq) && !after(sp->start_seq, end_seq)) {  in tcp_sack_extend()
4394 		if (before(seq, sp->start_seq))  in tcp_sack_extend()
4395 			sp->start_seq = seq;  in tcp_sack_extend()
4418 		tp->duplicate_sack[0].start_seq = seq;  in tcp_dsack_set()
4440 	if (TCP_SKB_CB(skb)->seq == tcp_sk(sk)->duplicate_sack[0].start_seq &&  in tcp_rcv_spurious_retrans()
4480 		if (tcp_sack_extend(sp, swalk->start_seq, swalk->end_seq)) {  in tcp_sack_maybe_coalesce()
4565 	sp->start_seq = seq;  in tcp_sack_new_ofo_skb()
4586 		if (!before(tp->rcv_nxt, sp->start_seq)) {  in tcp_sack_remove()
4782 			tp->selective_acks[0].start_seq = seq;  in tcp_data_queue_ofo()