net/mptcp/protocol.c

190 	struct sk_buff *skb1;
238 		skb1 = rb_to_skb(parent);
239 		if (before64(seq, MPTCP_SKB_CB(skb1)->map_seq)) {
243 		if (before64(seq, MPTCP_SKB_CB(skb1)->end_seq)) {
244 			if (!after64(end_seq, MPTCP_SKB_CB(skb1)->end_seq)) {
250 			if (after64(seq, MPTCP_SKB_CB(skb1)->map_seq)) {
253 				 *  |     skb1    |
257 				/* skb's seq == skb1's seq and skb covers skb1.
258 				 * Replace skb1 with skb.
260 				rb_replace_node(&skb1->rbnode, &skb->rbnode,
262 				mptcp_drop(sk, skb1);
266 		} else if (mptcp_ooo_try_coalesce(msk, skb1, skb)) {
280 	while ((skb1 = skb_rb_next(skb)) != NULL) {
281 		if (before64(end_seq, MPTCP_SKB_CB(skb1)->end_seq))
283 		rb_erase(&skb1->rbnode, &msk->out_of_order_queue);
284 		mptcp_drop(sk, skb1);
288 	if (!skb1)