1233 static u32 tcp_dsack_seen(struct tcp_sock *tp, u32 start_seq,  in tcp_dsack_seen()  argument
1238 	if (!before(start_seq, end_seq))  in tcp_dsack_seen()
1241 	seq_len = end_seq - start_seq;  in tcp_dsack_seen()
1448 				   u32 start_seq, u32 end_seq)  in tcp_is_sackblock_valid()  argument
1451 	if (after(end_seq, tp->snd_nxt) || !before(start_seq, end_seq))  in tcp_is_sackblock_valid()
1455 	if (!before(start_seq, tp->snd_nxt))  in tcp_is_sackblock_valid()
1461 	if (after(start_seq, tp->snd_una))  in tcp_is_sackblock_valid()
1471 	if (!before(start_seq, tp->undo_marker))  in tcp_is_sackblock_valid()
1481 	return !before(start_seq, end_seq - tp->max_window);  in tcp_is_sackblock_valid()
1489 	u32 start_seq_0 = get_unaligned_be32(&sp[0].start_seq);  in tcp_check_dsack()
1497 		u32 start_seq_1 = get_unaligned_be32(&sp[1].start_seq);  in tcp_check_dsack()
1532 				  u32 start_seq, u32 end_seq)  in tcp_match_skb_to_sack()  argument
1539 	in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq) &&  in tcp_match_skb_to_sack()
1543 	    after(TCP_SKB_CB(skb)->end_seq, start_seq)) {  in tcp_match_skb_to_sack()
1545 		in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq);  in tcp_match_skb_to_sack()
1548 			pkt_len = start_seq - TCP_SKB_CB(skb)->seq;  in tcp_match_skb_to_sack()
1614 			  u32 start_seq, u32 end_seq,  in tcp_sacktag_one()  argument
1626 		    before(start_seq, state->reord))  in tcp_sacktag_one()
1627 				state->reord = start_seq;  in tcp_sacktag_one()
1652 				if (before(start_seq,  in tcp_sacktag_one()
1654 				    before(start_seq, state->reord))  in tcp_sacktag_one()
1655 					state->reord = start_seq;  in tcp_sacktag_one()
1854 	u32 start_seq = TCP_SKB_CB(skb)->seq;	/* start of newly-SACKed */  in tcp_shifted_skb()  local
1855 	u32 end_seq = start_seq + shifted;	/* end of newly-SACKed */  in tcp_shifted_skb()
1866 			start_seq, end_seq, dup_sack, pcount, skb->len,  in tcp_shifted_skb()
1956 					  u32 start_seq, u32 end_seq,  in tcp_shift_skb_data()  argument
1987 	in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq) &&  in tcp_shift_skb_data()
2001 		if (!after(TCP_SKB_CB(skb)->end_seq, start_seq))  in tcp_shift_skb_data()
2010 		in_sack = !after(start_seq, TCP_SKB_CB(skb)->seq);  in tcp_shift_skb_data()
2095 					u32 start_seq, u32 end_seq,  in tcp_sacktag_walk()  argument
2112 							next_dup->start_seq,  in tcp_sacktag_walk()
2124 						 start_seq, end_seq, dup_sack);  in tcp_sacktag_walk()
2134 								start_seq,  in tcp_sacktag_walk()
2204 	if (before(next_dup->start_seq, skip_to_seq)) {  in tcp_maybe_skipping_dsack()
2205 		skb = tcp_sacktag_skip(skb, sk, next_dup->start_seq);  in tcp_maybe_skipping_dsack()
2207 				       next_dup->start_seq, next_dup->end_seq,  in tcp_maybe_skipping_dsack()
2260 		sp[used_sacks].start_seq = get_unaligned_be32(&sp_wire[i].start_seq);  in tcp_sacktag_write_queue()
2264 					    sp[used_sacks].start_seq,  in tcp_sacktag_write_queue()
2300 			if (after(sp[j].start_seq, sp[j + 1].start_seq)) {  in tcp_sacktag_write_queue()
2320 		while (tcp_sack_cache_ok(tp, cache) && !cache->start_seq &&  in tcp_sacktag_write_queue()
2326 		u32 start_seq = sp[i].start_seq;  in tcp_sacktag_write_queue()  local
2336 		       !before(start_seq, cache->end_seq))  in tcp_sacktag_write_queue()
2341 		    after(end_seq, cache->start_seq)) {  in tcp_sacktag_write_queue()
2344 			if (before(start_seq, cache->start_seq)) {  in tcp_sacktag_write_queue()
2345 				skb = tcp_sacktag_skip(skb, sk, start_seq);  in tcp_sacktag_write_queue()
2348 						       start_seq,  in tcp_sacktag_write_queue()
2349 						       cache->start_seq,  in tcp_sacktag_write_queue()
2377 		if (!before(start_seq, tcp_highest_sack_seq(tp))) {  in tcp_sacktag_write_queue()
2382 		skb = tcp_sacktag_skip(skb, sk, start_seq);  in tcp_sacktag_write_queue()
2386 				       start_seq, end_seq, dup_sack);  in tcp_sacktag_write_queue()
2394 		tp->recv_sack_cache[i].start_seq = 0;  in tcp_sacktag_write_queue()
3624 		const u32 start_seq = scb->seq;  in tcp_clean_rtx_queue()  local
3652 			if (before(start_seq, reord))  in tcp_clean_rtx_queue()
3653 				reord = start_seq;  in tcp_clean_rtx_queue()
5018 	if (!after(seq, sp->end_seq) && !after(sp->start_seq, end_seq)) {  in tcp_sack_extend()
5019 		if (before(seq, sp->start_seq))  in tcp_sack_extend()
5020 			sp->start_seq = seq;  in tcp_sack_extend()
5043 		tp->duplicate_sack[0].start_seq = seq;  in tcp_dsack_set()
5088 	    TCP_SKB_CB(skb)->seq == tp->duplicate_sack[0].start_seq)  in tcp_rcv_spurious_retrans()
5127 		if (tcp_sack_extend(sp, swalk->start_seq, swalk->end_seq)) {  in tcp_sack_maybe_coalesce()
5212 	sp->start_seq = seq;  in tcp_sack_new_ofo_skb()
5233 		if (!before(tp->rcv_nxt, sp->start_seq)) {  in tcp_sack_remove()
5434 			tp->selective_acks[0].start_seq = seq;  in tcp_data_queue_ofo()