net/mptcp/protocol.c

448 	       msk->write_seq == READ_ONCE(msk->snd_una);
985 static bool mptcp_skb_can_collapse_to(u64 write_seq,
995 	return mpext && mpext->data_seq + mpext->data_len == write_seq &&
1011 		df->data_seq + df->data_len == msk->write_seq;
1078 	if (snd_una == msk->snd_nxt && snd_una == msk->write_seq) {
1145 	dfrag->data_seq = msk->write_seq;
1373 	WRITE_ONCE(tcp_sk(ssk)->write_seq, tcp_sk(ssk)->write_seq + copy);
1747 		    msk->snd_nxt + 1 == msk->write_seq)
1841 	not_sent = msk->write_seq - msk->snd_nxt;
1952 		WRITE_ONCE(msk->write_seq, msk->write_seq + psize);
3179 	pr_debug("msk=%p snd_data_fin_enable=%d pending=%d snd_nxt=%llu write_seq=%llu\n",
3181 		 msk->snd_nxt, msk->write_seq);
3186 	if (!msk->snd_data_fin_enable || msk->snd_nxt + 1 != msk->write_seq ||
3190 	WRITE_ONCE(msk->snd_nxt, msk->write_seq);
3208 	WRITE_ONCE(msk->write_seq, msk->write_seq + 1);
3540 	WRITE_ONCE(msk->write_seq, subflow_req->idsn + 1);
3541 	WRITE_ONCE(msk->snd_nxt, msk->write_seq);
3542 	WRITE_ONCE(msk->snd_una, msk->write_seq);
3890 	delta = msk->write_seq - v;
3895 		 * __mptcp_close_ssk(). tcp_disconnect() moves the write_seq
3900 			delta += READ_ONCE(tp->write_seq) - tp->snd_una;
3971 	WRITE_ONCE(msk->write_seq, subflow->idsn);