net/bluetooth/l2cap_sock.c

87 	struct sockaddr_l2 la;
96 	memset(&la, 0, sizeof(la));
97 	len = min_t(unsigned int, sizeof(la), alen);
98 	memcpy(&la, addr, len);
100 	if (la.l2_cid && la.l2_psm)
103 	if (!bdaddr_type_is_valid(la.l2_bdaddr_type))
106 	if (bdaddr_type_is_le(la.l2_bdaddr_type)) {
108 		if (la.l2_cid &&
109 		    la.l2_cid != cpu_to_le16(L2CAP_CID_ATT))
120 	if (la.l2_psm) {
121 		__u16 psm = __le16_to_cpu(la.l2_psm);
123 		if (la.l2_bdaddr_type == BDADDR_BREDR)
132 	bacpy(&chan->src, &la.l2_bdaddr);
133 	chan->src_type = la.l2_bdaddr_type;
135 	if (la.l2_cid)
136 		err = l2cap_add_scid(chan, __le16_to_cpu(la.l2_cid));
138 		err = l2cap_add_psm(chan, &la.l2_bdaddr, la.l2_psm);
145 		if (__le16_to_cpu(la.l2_psm) == L2CAP_PSM_3DSP)
149 		if (__le16_to_cpu(la.l2_psm) == L2CAP_PSM_SDP ||
150 		    __le16_to_cpu(la.l2_psm) == L2CAP_PSM_RFCOMM)
186 	struct sockaddr_l2 la;
203 	memset(&la, 0, sizeof(la));
204 	len = min_t(unsigned int, sizeof(la), alen);
205 	memcpy(&la, addr, len);
207 	if (la.l2_cid && la.l2_psm)
210 	if (!bdaddr_type_is_valid(la.l2_bdaddr_type))
216 	 * chan->src_type and la.l2_bdaddr_type do not need to match.
219 	    bdaddr_type_is_le(la.l2_bdaddr_type)) {
227 		    la.l2_cid != cpu_to_le16(L2CAP_CID_ATT))
239 	if (chan->src_type != BDADDR_BREDR && la.l2_bdaddr_type == BDADDR_BREDR)
242 	if (bdaddr_type_is_le(la.l2_bdaddr_type)) {
244 		if (la.l2_cid &&
245 		    la.l2_cid != cpu_to_le16(L2CAP_CID_ATT))
256 	err = l2cap_chan_connect(chan, la.l2_psm, __le16_to_cpu(la.l2_cid),
257 				 &la.l2_bdaddr, la.l2_bdaddr_type,
388 	struct sockaddr_l2 *la = (struct sockaddr_l2 *) addr;
399 	memset(la, 0, sizeof(struct sockaddr_l2));
402 	la->l2_psm = chan->psm;
405 		bacpy(&la->l2_bdaddr, &chan->dst);
406 		la->l2_cid = cpu_to_le16(chan->dcid);
407 		la->l2_bdaddr_type = chan->dst_type;
409 		bacpy(&la->l2_bdaddr, &chan->src);
410 		la->l2_cid = cpu_to_le16(chan->scid);
411 		la->l2_bdaddr_type = chan->src_type;
1728 	DECLARE_SOCKADDR(struct sockaddr_l2 *, la, msg_name);
1730 	memset(la, 0, sizeof(struct sockaddr_l2));
1731 	la->l2_family = AF_BLUETOOTH;
1732 	la->l2_psm = bt_cb(skb)->l2cap.psm;
1733 	bacpy(&la->l2_bdaddr, &bt_cb(skb)->l2cap.bdaddr);