1297 static bool tcp_shifted_skb(struct sock *sk, struct sk_buff *prev,  in tcp_shifted_skb()  argument
1323 	TCP_SKB_CB(prev)->end_seq += shifted;  in tcp_shifted_skb()
1326 	tcp_skb_pcount_add(prev, pcount);  in tcp_shifted_skb()
1335 	if (!TCP_SKB_CB(prev)->tcp_gso_size)  in tcp_shifted_skb()
1336 		TCP_SKB_CB(prev)->tcp_gso_size = mss;  in tcp_shifted_skb()
1343 	TCP_SKB_CB(prev)->sacked |= (TCP_SKB_CB(skb)->sacked & TCPCB_EVER_RETRANS);  in tcp_shifted_skb()
1354 		tp->retransmit_skb_hint = prev;  in tcp_shifted_skb()
1356 		tp->lost_skb_hint = prev;  in tcp_shifted_skb()
1357 		tp->lost_cnt_hint -= tcp_skb_pcount(prev);  in tcp_shifted_skb()
1360 	TCP_SKB_CB(prev)->tcp_flags |= TCP_SKB_CB(skb)->tcp_flags;  in tcp_shifted_skb()
1361 	TCP_SKB_CB(prev)->eor = TCP_SKB_CB(skb)->eor;  in tcp_shifted_skb()
1363 		TCP_SKB_CB(prev)->end_seq++;  in tcp_shifted_skb()
1368 	tcp_skb_collapse_tstamp(prev, skb);  in tcp_shifted_skb()
1369 	if (unlikely(TCP_SKB_CB(prev)->tx.delivered_mstamp))  in tcp_shifted_skb()
1370 		TCP_SKB_CB(prev)->tx.delivered_mstamp = 0;  in tcp_shifted_skb()
1417 	struct sk_buff *prev;  in tcp_shift_skb_data()  local
1434 	prev = skb_rb_prev(skb);  in tcp_shift_skb_data()
1435 	if (!prev)  in tcp_shift_skb_data()
1438 	if ((TCP_SKB_CB(prev)->sacked & TCPCB_TAGBITS) != TCPCB_SACKED_ACKED)  in tcp_shift_skb_data()
1441 	if (!tcp_skb_can_collapse_to(prev))  in tcp_shift_skb_data()
1455 		if (mss != tcp_skb_seglen(prev))  in tcp_shift_skb_data()
1496 		if (mss != tcp_skb_seglen(prev))  in tcp_shift_skb_data()
1513 	if (!tcp_skb_shift(prev, skb, pcount, len))  in tcp_shift_skb_data()
1515 	if (!tcp_shifted_skb(sk, prev, skb, state, pcount, len, mss, dup_sack))  in tcp_shift_skb_data()
1521 	skb = skb_rb_next(prev);  in tcp_shift_skb_data()
1532 	if (tcp_skb_shift(prev, skb, pcount, len))  in tcp_shift_skb_data()
1533 		tcp_shifted_skb(sk, prev, skb, state, pcount,  in tcp_shift_skb_data()
1537 	return prev;  in tcp_shift_skb_data()
5151 	struct rb_node *node, *prev;  in tcp_prune_ofo_queue()  local
5161 		prev = rb_prev(node);  in tcp_prune_ofo_queue()
5165 		if (!prev || goal <= 0) {  in tcp_prune_ofo_queue()
5172 		node = prev;  in tcp_prune_ofo_queue()
5174 	tp->ooo_last_skb = rb_to_skb(prev);  in tcp_prune_ofo_queue()