958 static u32 tcp_dsack_seen(struct tcp_sock *tp, u32 start_seq,  in tcp_dsack_seen()  argument
963 	if (!before(start_seq, end_seq))  in tcp_dsack_seen()
966 	seq_len = end_seq - start_seq;  in tcp_dsack_seen()
1173 				   u32 start_seq, u32 end_seq)  in tcp_is_sackblock_valid()  argument
1176 	if (after(end_seq, tp->snd_nxt) || !before(start_seq, end_seq))  in tcp_is_sackblock_valid()
1180 	if (!before(start_seq, tp->snd_nxt))  in tcp_is_sackblock_valid()
1186 	if (after(start_seq, tp->snd_una))  in tcp_is_sackblock_valid()
1196 	if (!before(start_seq, tp->undo_marker))  in tcp_is_sackblock_valid()
1206 	return !before(start_seq, end_seq - tp->max_window);  in tcp_is_sackblock_valid()
1214 	u32 start_seq_0 = get_unaligned_be32(&sp[0].start_seq);  in tcp_check_dsack()
1222 		u32 start_seq_1 = get_unaligned_be32(&sp[1].start_seq);  in tcp_check_dsack()
1257 				  u32 start_seq, u32 end_seq)  in tcp_match_skb_to_sack()  argument
1264 	in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq) &&  in tcp_match_skb_to_sack()
1268 	    after(TCP_SKB_CB(skb)->end_seq, start_seq)) {  in tcp_match_skb_to_sack()
1270 		in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq);  in tcp_match_skb_to_sack()
1273 			pkt_len = start_seq - TCP_SKB_CB(skb)->seq;  in tcp_match_skb_to_sack()
1307 			  u32 start_seq, u32 end_seq,  in tcp_sacktag_one()  argument
1319 		    before(start_seq, state->reord))  in tcp_sacktag_one()
1320 				state->reord = start_seq;  in tcp_sacktag_one()
1345 				if (before(start_seq,  in tcp_sacktag_one()
1347 				    before(start_seq, state->reord))  in tcp_sacktag_one()
1348 					state->reord = start_seq;  in tcp_sacktag_one()
1371 		    before(start_seq, TCP_SKB_CB(tp->lost_skb_hint)->seq))  in tcp_sacktag_one()
1397 	u32 start_seq = TCP_SKB_CB(skb)->seq;	/* start of newly-SACKed */  in tcp_shifted_skb()  local
1398 	u32 end_seq = start_seq + shifted;	/* end of newly-SACKed */  in tcp_shifted_skb()
1409 			start_seq, end_seq, dup_sack, pcount,  in tcp_shifted_skb()
1506 					  u32 start_seq, u32 end_seq,  in tcp_shift_skb_data()  argument
1537 	in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq) &&  in tcp_shift_skb_data()
1551 		if (!after(TCP_SKB_CB(skb)->end_seq, start_seq))  in tcp_shift_skb_data()
1560 		in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq);  in tcp_shift_skb_data()
1643 					u32 start_seq, u32 end_seq,  in tcp_sacktag_walk()  argument
1660 							next_dup->start_seq,  in tcp_sacktag_walk()
1672 						 start_seq, end_seq, dup_sack);  in tcp_sacktag_walk()
1682 								start_seq,  in tcp_sacktag_walk()
1751 	if (before(next_dup->start_seq, skip_to_seq)) {  in tcp_maybe_skipping_dsack()
1752 		skb = tcp_sacktag_skip(skb, sk, next_dup->start_seq);  in tcp_maybe_skipping_dsack()
1754 				       next_dup->start_seq, next_dup->end_seq,  in tcp_maybe_skipping_dsack()
1807 		sp[used_sacks].start_seq = get_unaligned_be32(&sp_wire[i].start_seq);  in tcp_sacktag_write_queue()
1811 					    sp[used_sacks].start_seq,  in tcp_sacktag_write_queue()
1847 			if (after(sp[j].start_seq, sp[j + 1].start_seq)) {  in tcp_sacktag_write_queue()
1867 		while (tcp_sack_cache_ok(tp, cache) && !cache->start_seq &&  in tcp_sacktag_write_queue()
1873 		u32 start_seq = sp[i].start_seq;  in tcp_sacktag_write_queue()  local
1883 		       !before(start_seq, cache->end_seq))  in tcp_sacktag_write_queue()
1888 		    after(end_seq, cache->start_seq)) {  in tcp_sacktag_write_queue()
1891 			if (before(start_seq, cache->start_seq)) {  in tcp_sacktag_write_queue()
1892 				skb = tcp_sacktag_skip(skb, sk, start_seq);  in tcp_sacktag_write_queue()
1895 						       start_seq,  in tcp_sacktag_write_queue()
1896 						       cache->start_seq,  in tcp_sacktag_write_queue()
1924 		if (!before(start_seq, tcp_highest_sack_seq(tp))) {  in tcp_sacktag_write_queue()
1929 		skb = tcp_sacktag_skip(skb, sk, start_seq);  in tcp_sacktag_write_queue()
1933 				       start_seq, end_seq, dup_sack);  in tcp_sacktag_write_queue()
1941 		tp->recv_sack_cache[i].start_seq = 0;  in tcp_sacktag_write_queue()
3178 		const u32 start_seq = scb->seq;  in tcp_clean_rtx_queue()  local
3207 			if (before(start_seq, reord))  in tcp_clean_rtx_queue()
3208 				reord = start_seq;  in tcp_clean_rtx_queue()
4335 	if (!after(seq, sp->end_seq) && !after(sp->start_seq, end_seq)) {  in tcp_sack_extend()
4336 		if (before(seq, sp->start_seq))  in tcp_sack_extend()
4337 			sp->start_seq = seq;  in tcp_sack_extend()
4360 		tp->duplicate_sack[0].start_seq = seq;  in tcp_dsack_set()
4382 	if (TCP_SKB_CB(skb)->seq == tcp_sk(sk)->duplicate_sack[0].start_seq) {  in tcp_rcv_spurious_retrans()
4423 		if (tcp_sack_extend(sp, swalk->start_seq, swalk->end_seq)) {  in tcp_sack_maybe_coalesce()
4508 	sp->start_seq = seq;  in tcp_sack_new_ofo_skb()
4529 		if (!before(tp->rcv_nxt, sp->start_seq)) {  in tcp_sack_remove()
4724 			tp->selective_acks[0].start_seq = seq;  in tcp_data_queue_ofo()