net/bluetooth/l2cap_core.c

1008 	control->reqseq = (enh & L2CAP_CTRL_REQSEQ) >> L2CAP_CTRL_REQSEQ_SHIFT;
1032 	control->reqseq = (ext & L2CAP_EXT_CTRL_REQSEQ) >> L2CAP_EXT_CTRL_REQSEQ_SHIFT;
1072 	packed = control->reqseq << L2CAP_EXT_CTRL_REQSEQ_SHIFT;
1091 	packed = control->reqseq << L2CAP_CTRL_REQSEQ_SHIFT;
1181 		chan->last_acked_seq = control->reqseq;
1185 	BT_DBG("reqseq %d, final %d, poll %d, super %d", control->reqseq,
1213 	control.reqseq = chan->buffer_seq;
1940 		control->reqseq = 0;
1985 		control->reqseq = chan->buffer_seq;
2059 		control.reqseq = chan->buffer_seq;
2109 	l2cap_seq_list_append(&chan->retrans_list, control->reqseq);
2130 			if (bt_cb(skb)->l2cap.txseq == control->reqseq ||
2164 		control.reqseq = chan->buffer_seq;
2187 			control.reqseq = chan->buffer_seq;
2636 			control.reqseq = seq;
2657 	control.reqseq = chan->srej_list.tail;
2681 		control.reqseq = seq;
2687 static void l2cap_process_reqseq(struct l2cap_chan *chan, u16 reqseq)
2692 	BT_DBG("chan %p, reqseq %u", chan, reqseq);
2694 	if (chan->unacked_frames == 0 || reqseq == chan->expected_ack_seq)
2700 	for (ackseq = chan->expected_ack_seq; ackseq != reqseq;
2711 	chan->expected_ack_seq = reqseq;
2769 			local_control.reqseq = chan->buffer_seq;
2778 		l2cap_process_reqseq(chan, control->reqseq);
2839 			local_control.reqseq = chan->buffer_seq;
2848 		l2cap_process_reqseq(chan, control->reqseq);
5545 	control.reqseq = chan->buffer_seq;
5732 	if (control->reqseq == chan->next_tx_seq) {
5733 		BT_DBG("Invalid reqseq %d, disconnecting", control->reqseq);
5738 	skb = l2cap_ertm_seq_in_queue(&chan->tx_q, control->reqseq);
5742 		       control->reqseq);
5763 			chan->srej_save_reqseq = control->reqseq;
5769 			if (chan->srej_save_reqseq != control->reqseq ||
5777 				chan->srej_save_reqseq = control->reqseq;
5790 	if (control->reqseq == chan->next_tx_seq) {
5791 		BT_DBG("Invalid reqseq %d, disconnecting", control->reqseq);
5796 	skb = l2cap_ertm_seq_in_queue(&chan->tx_q, control->reqseq);
6180 			rr_control.reqseq = chan->buffer_seq;
6223 	l2cap_process_reqseq(chan, control->reqseq);
6233 	chan->next_tx_seq = control->reqseq;
6261 	l2cap_process_reqseq(chan, control->reqseq);
6271 	chan->next_tx_seq = control->reqseq;
6283 static bool __valid_reqseq(struct l2cap_chan *chan, u16 reqseq)
6285 	/* Make sure reqseq is for a packet that has been sent but not acked */
6289 	return __seq_offset(chan, chan->next_tx_seq, reqseq) <= unacked;
6300 	if (__valid_reqseq(chan, control->reqseq)) {
6320 		BT_DBG("Invalid reqseq %d (next_tx_seq %d, expected_ack_seq %d",
6321 		       control->reqseq, chan->next_tx_seq,
6418 		BT_DBG("iframe sar %d, reqseq %d, final %d, txseq %d",
6419 		       control->sar, control->reqseq, control->final,
6447 		BT_DBG("sframe reqseq %d, final %d, poll %d, super %d",
6448 		       control->reqseq, control->final, control->poll,