188 static struct l2cap_chan *__l2cap_global_chan_by_addr(__le16 psm, bdaddr_t *src,  in __l2cap_global_chan_by_addr()  argument
200 		if (c->sport == psm && !bacmp(&c->src, src))  in __l2cap_global_chan_by_addr()
206 int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm)  in l2cap_add_psm()  argument
212 	if (psm && __l2cap_global_chan_by_addr(psm, src, chan->src_type)) {  in l2cap_add_psm()
217 	if (psm) {  in l2cap_add_psm()
218 		chan->psm = psm;  in l2cap_add_psm()
219 		chan->sport = psm;  in l2cap_add_psm()
238 				chan->psm   = cpu_to_le16(p);  in l2cap_add_psm()
585 	BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn,  in __l2cap_chan_add()
586 	       __le16_to_cpu(chan->psm), chan->dcid);  in __l2cap_chan_add()
881 		if (chan->psm == cpu_to_le16(L2CAP_PSM_3DSP)) {  in l2cap_get_auth_type()
892 		if (chan->psm == cpu_to_le16(L2CAP_PSM_SDP)) {  in l2cap_get_auth_type()
1280 	req.psm  = chan->psm;  in l2cap_send_conn_req()
1293 	req.psm  = chan->psm;  in l2cap_send_create_chan_req()
1399 	req.psm     = chan->psm;  in l2cap_le_connect()
1434 	/* Only add deferred channels with the same PID/PSM */  in l2cap_ecred_defer_connect()
1435 	if (conn->pid != pid || chan->psm != conn->chan->psm || chan->ident ||  in l2cap_ecred_defer_connect()
1467 	data.pdu.req.psm     = chan->psm;  in l2cap_ecred_connect()
1493 	if (!chan->psm) {  in l2cap_le_start()
1967 /* Find socket with psm and source / destination bdaddr.
1970 static struct l2cap_chan *l2cap_global_chan_by_psm(int state, __le16 psm,  in l2cap_global_chan_by_psm()  argument
1989 		if (c->chan_type != L2CAP_CHAN_FIXED && c->psm == psm) {  in l2cap_global_chan_by_psm()
2397 	BT_DBG("chan %p psm 0x%2.2x len %zu", chan,  in l2cap_create_connless_pdu()
2398 	       __le16_to_cpu(chan->psm), len);  in l2cap_create_connless_pdu()
2411 	put_unaligned(chan->psm, (__le16 *) skb_put(skb, L2CAP_PSMLEN_SIZE));  in l2cap_create_connless_pdu()
4139 	__le16 psm = req->psm;  in l2cap_connect()  local
4141 	BT_DBG("psm 0x%2.2x scid 0x%4.4x", __le16_to_cpu(psm), scid);  in l2cap_connect()
4143 	/* Check if we have socket listening on psm */  in l2cap_connect()
4144 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_connect()
4155 	if (psm != cpu_to_le16(L2CAP_PSM_SDP) &&  in l2cap_connect()
4191 	chan->psm  = psm;  in l2cap_connect()
4852 	u16 psm, scid;  in l2cap_create_channel_req()  local
4860 	psm = le16_to_cpu(req->psm);  in l2cap_create_channel_req()
4863 	BT_DBG("psm 0x%2.2x, scid 0x%4.4x, amp_id %d", psm, scid, req->amp_id);  in l2cap_create_channel_req()
5820 	__le16 psm;  in l2cap_le_connect_req()  local
5829 	psm  = req->psm;  in l2cap_le_connect_req()
5836 	BT_DBG("psm 0x%2.2x scid 0x%4.4x mtu %u mps %u", __le16_to_cpu(psm),  in l2cap_le_connect_req()
5846 	if (!psm || __le16_to_cpu(psm) > L2CAP_PSM_LE_DYN_END) {  in l2cap_le_connect_req()
5852 	/* Check if we have socket listening on psm */  in l2cap_le_connect_req()
5853 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_le_connect_req()
5895 	chan->psm  = psm;  in l2cap_le_connect_req()
6009 	__le16 psm;  in l2cap_ecred_conn_req()  local
6038 	psm  = req->psm;  in l2cap_ecred_conn_req()
6047 	if (!psm || __le16_to_cpu(psm) > L2CAP_PSM_LE_DYN_END) {  in l2cap_ecred_conn_req()
6052 	BT_DBG("psm 0x%2.2x mtu %u mps %u", __le16_to_cpu(psm), mtu, mps);  in l2cap_ecred_conn_req()
6056 	/* Check if we have socket listening on psm */  in l2cap_ecred_conn_req()
6057 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_ecred_conn_req()
6105 		chan->psm  = psm;  in l2cap_ecred_conn_req()
7745 static void l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm,  in l2cap_conless_channel()  argument
7754 	chan = l2cap_global_chan_by_psm(0, psm, &hcon->src, &hcon->dst,  in l2cap_conless_channel()
7767 	/* Store remote BD_ADDR and PSM for msg_name */  in l2cap_conless_channel()
7769 	bt_cb(skb)->l2cap.psm = psm;  in l2cap_conless_channel()
7787 	__le16 psm;  in l2cap_recv_frame()  local
7822 		psm = get_unaligned((__le16 *) skb->data);  in l2cap_recv_frame()
7824 		l2cap_conless_channel(conn, psm, skb);  in l2cap_recv_frame()
7916 static bool is_valid_psm(u16 psm, u8 dst_type)  in is_valid_psm()  argument
7918 	if (!psm)  in is_valid_psm()
7922 		return (psm <= 0x00ff);  in is_valid_psm()
7924 	/* PSM must be odd and lsb of upper byte must be 0 */  in is_valid_psm()
7925 	return ((psm & 0x0101) == 0x0001);  in is_valid_psm()
7947 	/* Only count deferred channels with the same PID/PSM */  in l2cap_chan_by_pid()
7948 	if (d->pid != pid || chan->psm != d->chan->psm || chan->ident ||  in l2cap_chan_by_pid()
7955 int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,  in l2cap_chan_connect()  argument
7963 	BT_DBG("%pMR -> %pMR (type %u) psm 0x%4.4x mode 0x%2.2x", &chan->src,  in l2cap_chan_connect()
7964 	       dst, dst_type, __le16_to_cpu(psm), chan->mode);  in l2cap_chan_connect()
7972 	if (!is_valid_psm(__le16_to_cpu(psm), dst_type) && !cid &&  in l2cap_chan_connect()
7978 	if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED && !psm) {  in l2cap_chan_connect()
8032 	/* Set destination address and psm */  in l2cap_chan_connect()
8036 	chan->psm = psm;  in l2cap_chan_connect()
8619 			   c->state, __le16_to_cpu(c->psm),  in l2cap_debugfs_show()