45 #define hci_pi(sk) ((struct hci_pinfo *) sk)  argument
56 void hci_sock_set_flag(struct sock *sk, int nr)  in hci_sock_set_flag()  argument
58 	set_bit(nr, &hci_pi(sk)->flags);  in hci_sock_set_flag()
61 void hci_sock_clear_flag(struct sock *sk, int nr)  in hci_sock_clear_flag()  argument
63 	clear_bit(nr, &hci_pi(sk)->flags);  in hci_sock_clear_flag()
66 int hci_sock_test_flag(struct sock *sk, int nr)  in hci_sock_test_flag()  argument
68 	return test_bit(nr, &hci_pi(sk)->flags);  in hci_sock_test_flag()
71 unsigned short hci_sock_get_channel(struct sock *sk)  in hci_sock_get_channel()  argument
73 	return hci_pi(sk)->channel;  in hci_sock_get_channel()
115 static bool is_filtered_packet(struct sock *sk, struct sk_buff *skb)  in is_filtered_packet()  argument
121 	flt = &hci_pi(sk)->filter;  in is_filtered_packet()
155 	struct sock *sk;  in hci_send_to_sock()  local
162 	sk_for_each(sk, &hci_sk_list.head) {  in hci_send_to_sock()
165 		if (sk->sk_state != BT_BOUND || hci_pi(sk)->hdev != hdev)  in hci_send_to_sock()
169 		if (skb->sk == sk)  in hci_send_to_sock()
172 		if (hci_pi(sk)->channel == HCI_CHANNEL_RAW) {  in hci_send_to_sock()
178 			if (is_filtered_packet(sk, skb))  in hci_send_to_sock()
180 		} else if (hci_pi(sk)->channel == HCI_CHANNEL_USER) {  in hci_send_to_sock()
206 		if (sock_queue_rcv_skb(sk, nskb))  in hci_send_to_sock()
219 	struct sock *sk;  in hci_send_to_channel()  local
225 	sk_for_each(sk, &hci_sk_list.head) {  in hci_send_to_channel()
229 		if (!hci_sock_test_flag(sk, flag))  in hci_send_to_channel()
233 		if (sk == skip_sk)  in hci_send_to_channel()
236 		if (sk->sk_state != BT_BOUND)  in hci_send_to_channel()
239 		if (hci_pi(sk)->channel != channel)  in hci_send_to_channel()
246 		if (sock_queue_rcv_skb(sk, nskb))  in hci_send_to_channel()
386 static void send_monitor_replay(struct sock *sk)  in send_monitor_replay()  argument
399 		if (sock_queue_rcv_skb(sk, skb))  in send_monitor_replay()
409 		if (sock_queue_rcv_skb(sk, skb))  in send_monitor_replay()
420 			if (sock_queue_rcv_skb(sk, skb))  in send_monitor_replay()
481 		struct sock *sk;  in hci_sock_dev_event()  local
485 		sk_for_each(sk, &hci_sk_list.head) {  in hci_sock_dev_event()
486 			bh_lock_sock_nested(sk);  in hci_sock_dev_event()
487 			if (hci_pi(sk)->hdev == hdev) {  in hci_sock_dev_event()
488 				hci_pi(sk)->hdev = NULL;  in hci_sock_dev_event()
489 				sk->sk_err = EPIPE;  in hci_sock_dev_event()
490 				sk->sk_state = BT_OPEN;  in hci_sock_dev_event()
491 				sk->sk_state_change(sk);  in hci_sock_dev_event()
495 			bh_unlock_sock(sk);  in hci_sock_dev_event()
553 	struct sock *sk = sock->sk;  in hci_sock_release()  local
556 	BT_DBG("sock %p sk %p", sock, sk);  in hci_sock_release()
558 	if (!sk)  in hci_sock_release()
561 	hdev = hci_pi(sk)->hdev;  in hci_sock_release()
563 	if (hci_pi(sk)->channel == HCI_CHANNEL_MONITOR)  in hci_sock_release()
566 	bt_sock_unlink(&hci_sk_list, sk);  in hci_sock_release()
569 		if (hci_pi(sk)->channel == HCI_CHANNEL_USER) {  in hci_sock_release()
588 	sock_orphan(sk);  in hci_sock_release()
590 	skb_queue_purge(&sk->sk_receive_queue);  in hci_sock_release()
591 	skb_queue_purge(&sk->sk_write_queue);  in hci_sock_release()
593 	sock_put(sk);  in hci_sock_release()
632 static int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd,  in hci_sock_bound_ioctl()  argument
635 	struct hci_dev *hdev = hci_pi(sk)->hdev;  in hci_sock_bound_ioctl()
679 	struct sock *sk = sock->sk;  in hci_sock_ioctl()  local
684 	lock_sock(sk);  in hci_sock_ioctl()
686 	if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) {  in hci_sock_ioctl()
691 	release_sock(sk);  in hci_sock_ioctl()
739 	lock_sock(sk);  in hci_sock_ioctl()
741 	err = hci_sock_bound_ioctl(sk, cmd, arg);  in hci_sock_ioctl()
744 	release_sock(sk);  in hci_sock_ioctl()
752 	struct sock *sk = sock->sk;  in hci_sock_bind()  local
756 	BT_DBG("sock %p sk %p", sock, sk);  in hci_sock_bind()
768 	lock_sock(sk);  in hci_sock_bind()
770 	if (sk->sk_state == BT_BOUND) {  in hci_sock_bind()
777 		if (hci_pi(sk)->hdev) {  in hci_sock_bind()
792 		hci_pi(sk)->hdev = hdev;  in hci_sock_bind()
796 		if (hci_pi(sk)->hdev) {  in hci_sock_bind()
856 		hci_pi(sk)->hdev = hdev;  in hci_sock_bind()
873 		hci_sock_set_flag(sk, HCI_SOCK_TRUSTED);  in hci_sock_bind()
875 		send_monitor_replay(sk);  in hci_sock_bind()
897 			hci_sock_set_flag(sk, HCI_SOCK_TRUSTED);  in hci_sock_bind()
910 			hci_sock_set_flag(sk, HCI_MGMT_INDEX_EVENTS);  in hci_sock_bind()
911 			hci_sock_set_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);  in hci_sock_bind()
912 			hci_sock_set_flag(sk, HCI_MGMT_GENERIC_EVENTS);  in hci_sock_bind()
918 	hci_pi(sk)->channel = haddr.hci_channel;  in hci_sock_bind()
919 	sk->sk_state = BT_BOUND;  in hci_sock_bind()
922 	release_sock(sk);  in hci_sock_bind()
930 	struct sock *sk = sock->sk;  in hci_sock_getname()  local
934 	BT_DBG("sock %p sk %p", sock, sk);  in hci_sock_getname()
939 	lock_sock(sk);  in hci_sock_getname()
941 	hdev = hci_pi(sk)->hdev;  in hci_sock_getname()
950 	haddr->hci_channel= hci_pi(sk)->channel;  in hci_sock_getname()
953 	release_sock(sk);  in hci_sock_getname()
957 static void hci_sock_cmsg(struct sock *sk, struct msghdr *msg,  in hci_sock_cmsg()  argument
960 	__u32 mask = hci_pi(sk)->cmsg_mask;  in hci_sock_cmsg()
998 	struct sock *sk = sock->sk;  in hci_sock_recvmsg()  local
1002 	BT_DBG("sock %p, sk %p", sock, sk);  in hci_sock_recvmsg()
1007 	if (sk->sk_state == BT_CLOSED)  in hci_sock_recvmsg()
1010 	skb = skb_recv_datagram(sk, flags, noblock, &err);  in hci_sock_recvmsg()
1023 	switch (hci_pi(sk)->channel) {  in hci_sock_recvmsg()
1025 		hci_sock_cmsg(sk, msg, skb);  in hci_sock_recvmsg()
1029 		sock_recv_timestamp(msg, sk, skb);  in hci_sock_recvmsg()
1032 		if (hci_mgmt_chan_find(hci_pi(sk)->channel))  in hci_sock_recvmsg()
1033 			sock_recv_timestamp(msg, sk, skb);  in hci_sock_recvmsg()
1037 	skb_free_datagram(sk, skb);  in hci_sock_recvmsg()
1042 static int hci_mgmt_cmd(struct hci_mgmt_chan *chan, struct sock *sk,  in hci_mgmt_cmd()  argument
1081 		err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1088 	if (!hci_sock_test_flag(sk, HCI_SOCK_TRUSTED) &&  in hci_mgmt_cmd()
1090 		err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1098 			err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1106 			err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1113 			err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1121 		err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1129 		err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1135 		chan->hdev_init(sk, hdev);  in hci_mgmt_cmd()
1139 	err = handler->func(sk, hdev, cp, len);  in hci_mgmt_cmd()
1156 	struct sock *sk = sock->sk;  in hci_sock_sendmsg()  local
1162 	BT_DBG("sock %p sk %p", sock, sk);  in hci_sock_sendmsg()
1173 	lock_sock(sk);  in hci_sock_sendmsg()
1175 	switch (hci_pi(sk)->channel) {  in hci_sock_sendmsg()
1184 		chan = __hci_mgmt_chan_find(hci_pi(sk)->channel);  in hci_sock_sendmsg()
1186 			err = hci_mgmt_cmd(chan, sk, msg, len);  in hci_sock_sendmsg()
1194 	hdev = hci_pi(sk)->hdev;  in hci_sock_sendmsg()
1205 	skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err);  in hci_sock_sendmsg()
1217 	if (hci_pi(sk)->channel == HCI_CHANNEL_USER) {  in hci_sock_sendmsg()
1276 	release_sock(sk);  in hci_sock_sendmsg()
1288 	struct sock *sk = sock->sk;  in hci_sock_setsockopt()  local
1291 	BT_DBG("sk %p, opt %d", sk, optname);  in hci_sock_setsockopt()
1293 	lock_sock(sk);  in hci_sock_setsockopt()
1295 	if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) {  in hci_sock_setsockopt()
1308 			hci_pi(sk)->cmsg_mask |= HCI_CMSG_DIR;  in hci_sock_setsockopt()
1310 			hci_pi(sk)->cmsg_mask &= ~HCI_CMSG_DIR;  in hci_sock_setsockopt()
1320 			hci_pi(sk)->cmsg_mask |= HCI_CMSG_TSTAMP;  in hci_sock_setsockopt()
1322 			hci_pi(sk)->cmsg_mask &= ~HCI_CMSG_TSTAMP;  in hci_sock_setsockopt()
1327 			struct hci_filter *f = &hci_pi(sk)->filter;  in hci_sock_setsockopt()
1348 			struct hci_filter *f = &hci_pi(sk)->filter;  in hci_sock_setsockopt()
1363 	release_sock(sk);  in hci_sock_setsockopt()
1371 	struct sock *sk = sock->sk;  in hci_sock_getsockopt()  local
1374 	BT_DBG("sk %p, opt %d", sk, optname);  in hci_sock_getsockopt()
1379 	lock_sock(sk);  in hci_sock_getsockopt()
1381 	if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) {  in hci_sock_getsockopt()
1388 		if (hci_pi(sk)->cmsg_mask & HCI_CMSG_DIR)  in hci_sock_getsockopt()
1398 		if (hci_pi(sk)->cmsg_mask & HCI_CMSG_TSTAMP)  in hci_sock_getsockopt()
1409 			struct hci_filter *f = &hci_pi(sk)->filter;  in hci_sock_getsockopt()
1429 	release_sock(sk);  in hci_sock_getsockopt()
1462 	struct sock *sk;  in hci_sock_create()  local
1471 	sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &hci_sk_proto, kern);  in hci_sock_create()
1472 	if (!sk)  in hci_sock_create()
1475 	sock_init_data(sock, sk);  in hci_sock_create()
1477 	sock_reset_flag(sk, SOCK_ZAPPED);  in hci_sock_create()
1479 	sk->sk_protocol = protocol;  in hci_sock_create()
1482 	sk->sk_state = BT_OPEN;  in hci_sock_create()
1484 	bt_sock_link(&hci_sk_list, sk);  in hci_sock_create()