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()
158 	struct sock *sk;  in hci_send_to_sock()  local
165 	sk_for_each(sk, &hci_sk_list.head) {  in hci_send_to_sock()
168 		if (sk->sk_state != BT_BOUND || hci_pi(sk)->hdev != hdev)  in hci_send_to_sock()
172 		if (skb->sk == sk)  in hci_send_to_sock()
175 		if (hci_pi(sk)->channel == HCI_CHANNEL_RAW) {  in hci_send_to_sock()
176 			if (is_filtered_packet(sk, skb))  in hci_send_to_sock()
178 		} else if (hci_pi(sk)->channel == HCI_CHANNEL_USER) {  in hci_send_to_sock()
204 		if (sock_queue_rcv_skb(sk, nskb))  in hci_send_to_sock()
217 	struct sock *sk;  in hci_send_to_channel()  local
223 	sk_for_each(sk, &hci_sk_list.head) {  in hci_send_to_channel()
227 		if (!hci_sock_test_flag(sk, flag))  in hci_send_to_channel()
231 		if (sk == skip_sk)  in hci_send_to_channel()
234 		if (sk->sk_state != BT_BOUND)  in hci_send_to_channel()
237 		if (hci_pi(sk)->channel != channel)  in hci_send_to_channel()
244 		if (sock_queue_rcv_skb(sk, nskb))  in hci_send_to_channel()
346 static void send_monitor_replay(struct sock *sk)  in send_monitor_replay()  argument
359 		if (sock_queue_rcv_skb(sk, skb))  in send_monitor_replay()
417 		struct sock *sk;  in hci_sock_dev_event()  local
421 		sk_for_each(sk, &hci_sk_list.head) {  in hci_sock_dev_event()
422 			bh_lock_sock_nested(sk);  in hci_sock_dev_event()
423 			if (hci_pi(sk)->hdev == hdev) {  in hci_sock_dev_event()
424 				hci_pi(sk)->hdev = NULL;  in hci_sock_dev_event()
425 				sk->sk_err = EPIPE;  in hci_sock_dev_event()
426 				sk->sk_state = BT_OPEN;  in hci_sock_dev_event()
427 				sk->sk_state_change(sk);  in hci_sock_dev_event()
431 			bh_unlock_sock(sk);  in hci_sock_dev_event()
489 	struct sock *sk = sock->sk;  in hci_sock_release()  local
492 	BT_DBG("sock %p sk %p", sock, sk);  in hci_sock_release()
494 	if (!sk)  in hci_sock_release()
497 	hdev = hci_pi(sk)->hdev;  in hci_sock_release()
499 	if (hci_pi(sk)->channel == HCI_CHANNEL_MONITOR)  in hci_sock_release()
502 	bt_sock_unlink(&hci_sk_list, sk);  in hci_sock_release()
505 		if (hci_pi(sk)->channel == HCI_CHANNEL_USER) {  in hci_sock_release()
515 	sock_orphan(sk);  in hci_sock_release()
517 	skb_queue_purge(&sk->sk_receive_queue);  in hci_sock_release()
518 	skb_queue_purge(&sk->sk_write_queue);  in hci_sock_release()
520 	sock_put(sk);  in hci_sock_release()
559 static int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd,  in hci_sock_bound_ioctl()  argument
562 	struct hci_dev *hdev = hci_pi(sk)->hdev;  in hci_sock_bound_ioctl()
606 	struct sock *sk = sock->sk;  in hci_sock_ioctl()  local
611 	lock_sock(sk);  in hci_sock_ioctl()
613 	if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) {  in hci_sock_ioctl()
618 	release_sock(sk);  in hci_sock_ioctl()
666 	lock_sock(sk);  in hci_sock_ioctl()
668 	err = hci_sock_bound_ioctl(sk, cmd, arg);  in hci_sock_ioctl()
671 	release_sock(sk);  in hci_sock_ioctl()
679 	struct sock *sk = sock->sk;  in hci_sock_bind()  local
683 	BT_DBG("sock %p sk %p", sock, sk);  in hci_sock_bind()
695 	lock_sock(sk);  in hci_sock_bind()
697 	if (sk->sk_state == BT_BOUND) {  in hci_sock_bind()
704 		if (hci_pi(sk)->hdev) {  in hci_sock_bind()
719 		hci_pi(sk)->hdev = hdev;  in hci_sock_bind()
723 		if (hci_pi(sk)->hdev) {  in hci_sock_bind()
783 		hci_pi(sk)->hdev = hdev;  in hci_sock_bind()
800 		hci_sock_set_flag(sk, HCI_SOCK_TRUSTED);  in hci_sock_bind()
802 		send_monitor_replay(sk);  in hci_sock_bind()
824 			hci_sock_set_flag(sk, HCI_SOCK_TRUSTED);  in hci_sock_bind()
837 			hci_sock_set_flag(sk, HCI_MGMT_INDEX_EVENTS);  in hci_sock_bind()
838 			hci_sock_set_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);  in hci_sock_bind()
839 			hci_sock_set_flag(sk, HCI_MGMT_GENERIC_EVENTS);  in hci_sock_bind()
845 	hci_pi(sk)->channel = haddr.hci_channel;  in hci_sock_bind()
846 	sk->sk_state = BT_BOUND;  in hci_sock_bind()
849 	release_sock(sk);  in hci_sock_bind()
857 	struct sock *sk = sock->sk;  in hci_sock_getname()  local
861 	BT_DBG("sock %p sk %p", sock, sk);  in hci_sock_getname()
866 	lock_sock(sk);  in hci_sock_getname()
868 	hdev = hci_pi(sk)->hdev;  in hci_sock_getname()
877 	haddr->hci_channel= hci_pi(sk)->channel;  in hci_sock_getname()
880 	release_sock(sk);  in hci_sock_getname()
884 static void hci_sock_cmsg(struct sock *sk, struct msghdr *msg,  in hci_sock_cmsg()  argument
887 	__u32 mask = hci_pi(sk)->cmsg_mask;  in hci_sock_cmsg()
925 	struct sock *sk = sock->sk;  in hci_sock_recvmsg()  local
929 	BT_DBG("sock %p, sk %p", sock, sk);  in hci_sock_recvmsg()
934 	if (sk->sk_state == BT_CLOSED)  in hci_sock_recvmsg()
937 	skb = skb_recv_datagram(sk, flags, noblock, &err);  in hci_sock_recvmsg()
950 	switch (hci_pi(sk)->channel) {  in hci_sock_recvmsg()
952 		hci_sock_cmsg(sk, msg, skb);  in hci_sock_recvmsg()
956 		sock_recv_timestamp(msg, sk, skb);  in hci_sock_recvmsg()
959 		if (hci_mgmt_chan_find(hci_pi(sk)->channel))  in hci_sock_recvmsg()
960 			sock_recv_timestamp(msg, sk, skb);  in hci_sock_recvmsg()
964 	skb_free_datagram(sk, skb);  in hci_sock_recvmsg()
969 static int hci_mgmt_cmd(struct hci_mgmt_chan *chan, struct sock *sk,  in hci_mgmt_cmd()  argument
1008 		err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1015 	if (!hci_sock_test_flag(sk, HCI_SOCK_TRUSTED) &&  in hci_mgmt_cmd()
1017 		err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1025 			err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1033 			err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1040 			err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1048 		err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1056 		err = mgmt_cmd_status(sk, index, opcode,  in hci_mgmt_cmd()
1062 		chan->hdev_init(sk, hdev);  in hci_mgmt_cmd()
1066 	err = handler->func(sk, hdev, cp, len);  in hci_mgmt_cmd()
1083 	struct sock *sk = sock->sk;  in hci_sock_sendmsg()  local
1089 	BT_DBG("sock %p sk %p", sock, sk);  in hci_sock_sendmsg()
1100 	lock_sock(sk);  in hci_sock_sendmsg()
1102 	switch (hci_pi(sk)->channel) {  in hci_sock_sendmsg()
1111 		chan = __hci_mgmt_chan_find(hci_pi(sk)->channel);  in hci_sock_sendmsg()
1113 			err = hci_mgmt_cmd(chan, sk, msg, len);  in hci_sock_sendmsg()
1121 	hdev = hci_pi(sk)->hdev;  in hci_sock_sendmsg()
1132 	skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err);  in hci_sock_sendmsg()
1144 	if (hci_pi(sk)->channel == HCI_CHANNEL_USER) {  in hci_sock_sendmsg()
1197 	release_sock(sk);  in hci_sock_sendmsg()
1209 	struct sock *sk = sock->sk;  in hci_sock_setsockopt()  local
1212 	BT_DBG("sk %p, opt %d", sk, optname);  in hci_sock_setsockopt()
1214 	lock_sock(sk);  in hci_sock_setsockopt()
1216 	if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) {  in hci_sock_setsockopt()
1229 			hci_pi(sk)->cmsg_mask |= HCI_CMSG_DIR;  in hci_sock_setsockopt()
1231 			hci_pi(sk)->cmsg_mask &= ~HCI_CMSG_DIR;  in hci_sock_setsockopt()
1241 			hci_pi(sk)->cmsg_mask |= HCI_CMSG_TSTAMP;  in hci_sock_setsockopt()
1243 			hci_pi(sk)->cmsg_mask &= ~HCI_CMSG_TSTAMP;  in hci_sock_setsockopt()
1248 			struct hci_filter *f = &hci_pi(sk)->filter;  in hci_sock_setsockopt()
1269 			struct hci_filter *f = &hci_pi(sk)->filter;  in hci_sock_setsockopt()
1284 	release_sock(sk);  in hci_sock_setsockopt()
1292 	struct sock *sk = sock->sk;  in hci_sock_getsockopt()  local
1295 	BT_DBG("sk %p, opt %d", sk, optname);  in hci_sock_getsockopt()
1300 	lock_sock(sk);  in hci_sock_getsockopt()
1302 	if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) {  in hci_sock_getsockopt()
1309 		if (hci_pi(sk)->cmsg_mask & HCI_CMSG_DIR)  in hci_sock_getsockopt()
1319 		if (hci_pi(sk)->cmsg_mask & HCI_CMSG_TSTAMP)  in hci_sock_getsockopt()
1330 			struct hci_filter *f = &hci_pi(sk)->filter;  in hci_sock_getsockopt()
1350 	release_sock(sk);  in hci_sock_getsockopt()
1383 	struct sock *sk;  in hci_sock_create()  local
1392 	sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &hci_sk_proto);  in hci_sock_create()
1393 	if (!sk)  in hci_sock_create()
1396 	sock_init_data(sock, sk);  in hci_sock_create()
1398 	sock_reset_flag(sk, SOCK_ZAPPED);  in hci_sock_create()
1400 	sk->sk_protocol = protocol;  in hci_sock_create()
1403 	sk->sk_state = BT_OPEN;  in hci_sock_create()
1405 	bt_sock_link(&hci_sk_list, sk);  in hci_sock_create()