164 static struct l2cap_chan *__l2cap_global_chan_by_addr(__le16 psm, bdaddr_t *src,  in __l2cap_global_chan_by_addr()  argument
176 		if (c->sport == psm && !bacmp(&c->src, src))  in __l2cap_global_chan_by_addr()
182 int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm)  in l2cap_add_psm()  argument
188 	if (psm && __l2cap_global_chan_by_addr(psm, src, chan->src_type)) {  in l2cap_add_psm()
193 	if (psm) {  in l2cap_add_psm()
194 		chan->psm = psm;  in l2cap_add_psm()
195 		chan->sport = psm;  in l2cap_add_psm()
214 				chan->psm   = cpu_to_le16(p);  in l2cap_add_psm()
588 	BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn,  in __l2cap_chan_add()
589 	       __le16_to_cpu(chan->psm), chan->dcid);  in __l2cap_chan_add()
874 		if (chan->psm == cpu_to_le16(L2CAP_PSM_3DSP)) {  in l2cap_get_auth_type()
885 		if (chan->psm == cpu_to_le16(L2CAP_PSM_SDP)) {  in l2cap_get_auth_type()
1231 	req.psm  = chan->psm;  in l2cap_send_conn_req()
1280 	req.psm     = chan->psm;  in l2cap_le_connect()
1315 	/* Only add deferred channels with the same PID/PSM */  in l2cap_ecred_defer_connect()
1316 	if (conn->pid != pid || chan->psm != conn->chan->psm || chan->ident ||  in l2cap_ecred_defer_connect()
1348 	data.pdu.req.psm     = chan->psm;  in l2cap_ecred_connect()
1374 	if (!chan->psm) {  in l2cap_le_start()
1829 /* Find socket with psm and source / destination bdaddr.
1832 static struct l2cap_chan *l2cap_global_chan_by_psm(int state, __le16 psm,  in l2cap_global_chan_by_psm()  argument
1851 		if (c->chan_type != L2CAP_CHAN_FIXED && c->psm == psm) {  in l2cap_global_chan_by_psm()
2250 	BT_DBG("chan %p psm 0x%2.2x len %zu", chan,  in l2cap_create_connless_pdu()
2251 	       __le16_to_cpu(chan->psm), len);  in l2cap_create_connless_pdu()
2264 	put_unaligned(chan->psm, (__le16 *) skb_put(skb, L2CAP_PSMLEN_SIZE));  in l2cap_create_connless_pdu()
3979 	__le16 psm = req->psm;  in l2cap_connect()  local
3981 	BT_DBG("psm 0x%2.2x scid 0x%4.4x", __le16_to_cpu(psm), scid);  in l2cap_connect()
3983 	/* Check if we have socket listening on psm */  in l2cap_connect()
3984 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_connect()
3994 	if (psm != cpu_to_le16(L2CAP_PSM_SDP) &&  in l2cap_connect()
4031 	chan->psm  = psm;  in l2cap_connect()
4828 	__le16 psm;  in l2cap_le_connect_req()  local
4837 	psm  = req->psm;  in l2cap_le_connect_req()
4844 	BT_DBG("psm 0x%2.2x scid 0x%4.4x mtu %u mps %u", __le16_to_cpu(psm),  in l2cap_le_connect_req()
4854 	if (!psm || __le16_to_cpu(psm) > L2CAP_PSM_LE_DYN_END) {  in l2cap_le_connect_req()
4860 	/* Check if we have socket listening on psm */  in l2cap_le_connect_req()
4861 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_le_connect_req()
4902 	chan->psm  = psm;  in l2cap_le_connect_req()
5012 	__le16 psm;  in l2cap_ecred_conn_req()  local
5041 	psm  = req->psm;  in l2cap_ecred_conn_req()
5050 	if (!psm || __le16_to_cpu(psm) > L2CAP_PSM_LE_DYN_END) {  in l2cap_ecred_conn_req()
5055 	BT_DBG("psm 0x%2.2x mtu %u mps %u", __le16_to_cpu(psm), mtu, mps);  in l2cap_ecred_conn_req()
5059 	/* Check if we have socket listening on psm */  in l2cap_ecred_conn_req()
5060 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_ecred_conn_req()
5107 		chan->psm  = psm;  in l2cap_ecred_conn_req()
6738 static void l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm,  in l2cap_conless_channel()  argument
6747 	chan = l2cap_global_chan_by_psm(0, psm, &hcon->src, &hcon->dst,  in l2cap_conless_channel()
6762 	/* Store remote BD_ADDR and PSM for msg_name */  in l2cap_conless_channel()
6764 	bt_cb(skb)->l2cap.psm = psm;  in l2cap_conless_channel()
6784 	__le16 psm;  in l2cap_recv_frame()  local
6819 		psm = get_unaligned((__le16 *) skb->data);  in l2cap_recv_frame()
6821 		l2cap_conless_channel(conn, psm, skb);  in l2cap_recv_frame()
6902 static bool is_valid_psm(u16 psm, u8 dst_type)  in is_valid_psm()  argument
6904 	if (!psm)  in is_valid_psm()
6908 		return (psm <= 0x00ff);  in is_valid_psm()
6910 	/* PSM must be odd and lsb of upper byte must be 0 */  in is_valid_psm()
6911 	return ((psm & 0x0101) == 0x0001);  in is_valid_psm()
6933 	/* Only count deferred channels with the same PID/PSM */  in l2cap_chan_by_pid()
6934 	if (d->pid != pid || chan->psm != d->chan->psm || chan->ident ||  in l2cap_chan_by_pid()
6941 int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,  in l2cap_chan_connect()  argument
6949 	BT_DBG("%pMR -> %pMR (type %u) psm 0x%4.4x mode 0x%2.2x", &chan->src,  in l2cap_chan_connect()
6950 	       dst, dst_type, __le16_to_cpu(psm), chan->mode);  in l2cap_chan_connect()
6958 	if (!is_valid_psm(__le16_to_cpu(psm), dst_type) && !cid &&  in l2cap_chan_connect()
6964 	if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED && !psm) {  in l2cap_chan_connect()
7018 	/* Set destination address and psm */  in l2cap_chan_connect()
7022 	chan->psm = psm;  in l2cap_chan_connect()
7639 			   c->state, __le16_to_cpu(c->psm),  in l2cap_debugfs_show()