Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/padovan/bluetooth-next-2.6
This commit is contained in:
John W. Linville
commit
782a9e31e8
@ -144,6 +144,7 @@ struct bt_skb_cb {
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__u8 tx_seq;
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__u8 retries;
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__u8 sar;
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unsigned short channel;
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};
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#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))
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@ -934,9 +934,13 @@ static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb)
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struct sockaddr_hci {
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sa_family_t hci_family;
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unsigned short hci_dev;
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unsigned short hci_channel;
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};
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#define HCI_DEV_NONE 0xffff
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#define HCI_CHANNEL_RAW 0
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#define HCI_CHANNEL_CONTROL 1
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struct hci_filter {
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unsigned long type_mask;
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unsigned long event_mask[2];
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@ -129,6 +129,7 @@ struct hci_dev {
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wait_queue_head_t req_wait_q;
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__u32 req_status;
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__u32 req_result;
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__u16 req_last_cmd;
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struct inquiry_cache inq_cache;
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struct hci_conn_hash conn_hash;
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@ -660,6 +661,11 @@ void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
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/* ----- HCI Sockets ----- */
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void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
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/* Management interface */
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int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
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int mgmt_index_added(u16 index);
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int mgmt_index_removed(u16 index);
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/* HCI info for socket */
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#define hci_pi(sk) ((struct hci_pinfo *) sk)
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@ -668,6 +674,7 @@ struct hci_pinfo {
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struct hci_dev *hdev;
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struct hci_filter filter;
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__u32 cmsg_mask;
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unsigned short channel;
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};
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/* HCI security filter */
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@ -687,6 +694,6 @@ struct hci_sec_filter {
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#define hci_req_lock(d) mutex_lock(&d->req_lock)
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#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
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void hci_req_complete(struct hci_dev *hdev, int result);
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void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
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#endif /* __HCI_CORE_H */
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87
include/net/bluetooth/mgmt.h
Normal file
87
include/net/bluetooth/mgmt.h
Normal file
@ -0,0 +1,87 @@
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/*
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BlueZ - Bluetooth protocol stack for Linux
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Copyright (C) 2010 Nokia Corporation
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2 as
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published by the Free Software Foundation;
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
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CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
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COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
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SOFTWARE IS DISCLAIMED.
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*/
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struct mgmt_hdr {
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__le16 opcode;
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__le16 len;
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} __packed;
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#define MGMT_HDR_SIZE 4
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#define MGMT_OP_READ_VERSION 0x0001
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struct mgmt_rp_read_version {
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__u8 version;
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__le16 revision;
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} __packed;
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#define MGMT_OP_READ_INDEX_LIST 0x0003
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struct mgmt_rp_read_index_list {
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__le16 num_controllers;
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__le16 index[0];
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} __packed;
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#define MGMT_OP_READ_INFO 0x0004
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struct mgmt_cp_read_info {
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__le16 index;
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} __packed;
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struct mgmt_rp_read_info {
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__le16 index;
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__u8 type;
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__u8 powered;
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__u8 discoverable;
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__u8 pairable;
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__u8 sec_mode;
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bdaddr_t bdaddr;
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__u8 dev_class[3];
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__u8 features[8];
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__u16 manufacturer;
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__u8 hci_ver;
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__u16 hci_rev;
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} __packed;
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#define MGMT_EV_CMD_COMPLETE 0x0001
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struct mgmt_ev_cmd_complete {
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__le16 opcode;
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__u8 data[0];
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} __packed;
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#define MGMT_EV_CMD_STATUS 0x0002
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struct mgmt_ev_cmd_status {
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__u8 status;
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__le16 opcode;
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} __packed;
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#define MGMT_EV_CONTROLLER_ERROR 0x0003
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struct mgmt_ev_controller_error {
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__le16 index;
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__u8 error_code;
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} __packed;
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#define MGMT_EV_INDEX_ADDED 0x0004
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struct mgmt_ev_index_added {
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__le16 index;
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} __packed;
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#define MGMT_EV_INDEX_REMOVED 0x0005
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struct mgmt_ev_index_removed {
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__le16 index;
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} __packed;
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@ -10,4 +10,4 @@ obj-$(CONFIG_BT_BNEP) += bnep/
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obj-$(CONFIG_BT_CMTP) += cmtp/
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obj-$(CONFIG_BT_HIDP) += hidp/
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bluetooth-objs := af_bluetooth.o hci_core.o hci_conn.o hci_event.o hci_sock.o hci_sysfs.o lib.o
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bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o hci_sock.o hci_sysfs.o lib.o
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@ -91,9 +91,16 @@ static void hci_notify(struct hci_dev *hdev, int event)
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/* ---- HCI requests ---- */
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void hci_req_complete(struct hci_dev *hdev, int result)
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void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result)
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{
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BT_DBG("%s result 0x%2.2x", hdev->name, result);
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BT_DBG("%s command 0x%04x result 0x%2.2x", hdev->name, cmd, result);
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/* If the request has set req_last_cmd (typical for multi-HCI
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* command requests) check if the completed command matches
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* this, and if not just return. Single HCI command requests
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* typically leave req_last_cmd as 0 */
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if (hdev->req_last_cmd && cmd != hdev->req_last_cmd)
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return;
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if (hdev->req_status == HCI_REQ_PEND) {
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hdev->req_result = result;
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@ -149,7 +156,7 @@ static int __hci_request(struct hci_dev *hdev, void (*req)(struct hci_dev *hdev,
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break;
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}
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hdev->req_status = hdev->req_result = 0;
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hdev->req_last_cmd = hdev->req_status = hdev->req_result = 0;
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BT_DBG("%s end: err %d", hdev->name, err);
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@ -252,6 +259,8 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt)
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/* Connection accept timeout ~20 secs */
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param = cpu_to_le16(0x7d00);
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hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, ¶m);
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hdev->req_last_cmd = HCI_OP_WRITE_CA_TIMEOUT;
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}
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static void hci_scan_req(struct hci_dev *hdev, unsigned long opt)
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@ -960,6 +969,7 @@ int hci_register_dev(struct hci_dev *hdev)
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}
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}
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mgmt_index_added(hdev->id);
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hci_notify(hdev, HCI_DEV_REG);
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return id;
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@ -989,6 +999,7 @@ int hci_unregister_dev(struct hci_dev *hdev)
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for (i = 0; i < NUM_REASSEMBLY; i++)
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kfree_skb(hdev->reassembly[i]);
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mgmt_index_removed(hdev->id);
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hci_notify(hdev, HCI_DEV_UNREG);
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if (hdev->rfkill) {
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@ -58,7 +58,7 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
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clear_bit(HCI_INQUIRY, &hdev->flags);
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hci_req_complete(hdev, status);
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hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
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hci_conn_check_pending(hdev);
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}
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@ -174,7 +174,7 @@ static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *s
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if (!status)
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hdev->link_policy = get_unaligned_le16(sent);
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hci_req_complete(hdev, status);
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hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
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}
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static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
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@ -183,7 +183,7 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
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BT_DBG("%s status 0x%x", hdev->name, status);
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hci_req_complete(hdev, status);
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hci_req_complete(hdev, HCI_OP_RESET, status);
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}
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static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
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@ -235,7 +235,7 @@ static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
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clear_bit(HCI_AUTH, &hdev->flags);
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}
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hci_req_complete(hdev, status);
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hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status);
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}
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static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
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@ -258,7 +258,7 @@ static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
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clear_bit(HCI_ENCRYPT, &hdev->flags);
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}
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hci_req_complete(hdev, status);
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hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
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}
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static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
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@ -285,7 +285,7 @@ static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
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set_bit(HCI_PSCAN, &hdev->flags);
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}
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hci_req_complete(hdev, status);
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hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
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}
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static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
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@ -383,7 +383,7 @@ static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
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BT_DBG("%s status 0x%x", hdev->name, status);
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|
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hci_req_complete(hdev, status);
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hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
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}
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static void hci_cc_read_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
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@ -536,7 +536,16 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
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if (!rp->status)
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||||
bacpy(&hdev->bdaddr, &rp->bdaddr);
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|
||||
hci_req_complete(hdev, rp->status);
|
||||
hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
|
||||
}
|
||||
|
||||
static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
|
||||
{
|
||||
__u8 status = *((__u8 *) skb->data);
|
||||
|
||||
BT_DBG("%s status 0x%x", hdev->name, status);
|
||||
|
||||
hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
|
||||
}
|
||||
|
||||
static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
|
||||
@ -544,7 +553,7 @@ static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
|
||||
BT_DBG("%s status 0x%x", hdev->name, status);
|
||||
|
||||
if (status) {
|
||||
hci_req_complete(hdev, status);
|
||||
hci_req_complete(hdev, HCI_OP_INQUIRY, status);
|
||||
|
||||
hci_conn_check_pending(hdev);
|
||||
} else
|
||||
@ -871,7 +880,7 @@ static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff
|
||||
|
||||
clear_bit(HCI_INQUIRY, &hdev->flags);
|
||||
|
||||
hci_req_complete(hdev, status);
|
||||
hci_req_complete(hdev, HCI_OP_INQUIRY, status);
|
||||
|
||||
hci_conn_check_pending(hdev);
|
||||
}
|
||||
@ -1379,6 +1388,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
|
||||
hci_cc_read_bd_addr(hdev, skb);
|
||||
break;
|
||||
|
||||
case HCI_OP_WRITE_CA_TIMEOUT:
|
||||
hci_cc_write_ca_timeout(hdev, skb);
|
||||
break;
|
||||
|
||||
default:
|
||||
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
|
||||
break;
|
||||
|
||||
@ -49,6 +49,8 @@
|
||||
#include <net/bluetooth/bluetooth.h>
|
||||
#include <net/bluetooth/hci_core.h>
|
||||
|
||||
static int enable_mgmt;
|
||||
|
||||
/* ----- HCI socket interface ----- */
|
||||
|
||||
static inline int hci_test_bit(int nr, void *addr)
|
||||
@ -102,6 +104,12 @@ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb)
|
||||
if (skb->sk == sk)
|
||||
continue;
|
||||
|
||||
if (bt_cb(skb)->channel != hci_pi(sk)->channel)
|
||||
continue;
|
||||
|
||||
if (bt_cb(skb)->channel == HCI_CHANNEL_CONTROL)
|
||||
goto clone;
|
||||
|
||||
/* Apply filter */
|
||||
flt = &hci_pi(sk)->filter;
|
||||
|
||||
@ -125,12 +133,14 @@ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb)
|
||||
continue;
|
||||
}
|
||||
|
||||
clone:
|
||||
nskb = skb_clone(skb, GFP_ATOMIC);
|
||||
if (!nskb)
|
||||
continue;
|
||||
|
||||
/* Put type byte before the data */
|
||||
memcpy(skb_push(nskb, 1), &bt_cb(nskb)->pkt_type, 1);
|
||||
if (bt_cb(skb)->channel == HCI_CHANNEL_RAW)
|
||||
memcpy(skb_push(nskb, 1), &bt_cb(nskb)->pkt_type, 1);
|
||||
|
||||
if (sock_queue_rcv_skb(sk, nskb))
|
||||
kfree_skb(nskb);
|
||||
@ -353,25 +363,38 @@ static int hci_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long a
|
||||
|
||||
static int hci_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
|
||||
{
|
||||
struct sockaddr_hci *haddr = (struct sockaddr_hci *) addr;
|
||||
struct sockaddr_hci haddr;
|
||||
struct sock *sk = sock->sk;
|
||||
struct hci_dev *hdev = NULL;
|
||||
int err = 0;
|
||||
int len, err = 0;
|
||||
|
||||
BT_DBG("sock %p sk %p", sock, sk);
|
||||
|
||||
if (!haddr || haddr->hci_family != AF_BLUETOOTH)
|
||||
if (!addr)
|
||||
return -EINVAL;
|
||||
|
||||
memset(&haddr, 0, sizeof(haddr));
|
||||
len = min_t(unsigned int, sizeof(haddr), addr_len);
|
||||
memcpy(&haddr, addr, len);
|
||||
|
||||
if (haddr.hci_family != AF_BLUETOOTH)
|
||||
return -EINVAL;
|
||||
|
||||
if (haddr.hci_channel > HCI_CHANNEL_CONTROL)
|
||||
return -EINVAL;
|
||||
|
||||
if (haddr.hci_channel == HCI_CHANNEL_CONTROL && !enable_mgmt)
|
||||
return -EINVAL;
|
||||
|
||||
lock_sock(sk);
|
||||
|
||||
if (hci_pi(sk)->hdev) {
|
||||
if (sk->sk_state == BT_BOUND || hci_pi(sk)->hdev) {
|
||||
err = -EALREADY;
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (haddr->hci_dev != HCI_DEV_NONE) {
|
||||
hdev = hci_dev_get(haddr->hci_dev);
|
||||
if (haddr.hci_dev != HCI_DEV_NONE) {
|
||||
hdev = hci_dev_get(haddr.hci_dev);
|
||||
if (!hdev) {
|
||||
err = -ENODEV;
|
||||
goto done;
|
||||
@ -380,6 +403,7 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le
|
||||
atomic_inc(&hdev->promisc);
|
||||
}
|
||||
|
||||
hci_pi(sk)->channel = haddr.hci_channel;
|
||||
hci_pi(sk)->hdev = hdev;
|
||||
sk->sk_state = BT_BOUND;
|
||||
|
||||
@ -502,6 +526,17 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
|
||||
|
||||
lock_sock(sk);
|
||||
|
||||
switch (hci_pi(sk)->channel) {
|
||||
case HCI_CHANNEL_RAW:
|
||||
break;
|
||||
case HCI_CHANNEL_CONTROL:
|
||||
err = mgmt_control(sk, msg, len);
|
||||
goto done;
|
||||
default:
|
||||
err = -EINVAL;
|
||||
goto done;
|
||||
}
|
||||
|
||||
hdev = hci_pi(sk)->hdev;
|
||||
if (!hdev) {
|
||||
err = -EBADFD;
|
||||
@ -831,3 +866,6 @@ void __exit hci_sock_cleanup(void)
|
||||
|
||||
proto_unregister(&hci_sk_proto);
|
||||
}
|
||||
|
||||
module_param(enable_mgmt, bool, 0644);
|
||||
MODULE_PARM_DESC(enable_mgmt, "Enable Management interface");
|
||||
|
||||
@ -3124,8 +3124,14 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
|
||||
if (!sk)
|
||||
return -ENOENT;
|
||||
|
||||
if (sk->sk_state == BT_DISCONN)
|
||||
if (sk->sk_state != BT_CONFIG) {
|
||||
struct l2cap_cmd_rej rej;
|
||||
|
||||
rej.reason = cpu_to_le16(0x0002);
|
||||
l2cap_send_cmd(conn, cmd->ident, L2CAP_COMMAND_REJ,
|
||||
sizeof(rej), &rej);
|
||||
goto unlock;
|
||||
}
|
||||
|
||||
/* Reject if config buffer is too small. */
|
||||
len = cmd_len - sizeof(*req);
|
||||
|
||||
308
net/bluetooth/mgmt.c
Normal file
308
net/bluetooth/mgmt.c
Normal file
@ -0,0 +1,308 @@
|
||||
/*
|
||||
BlueZ - Bluetooth protocol stack for Linux
|
||||
Copyright (C) 2010 Nokia Corporation
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License version 2 as
|
||||
published by the Free Software Foundation;
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
|
||||
IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
|
||||
CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
|
||||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
|
||||
ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
|
||||
COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
|
||||
SOFTWARE IS DISCLAIMED.
|
||||
*/
|
||||
|
||||
/* Bluetooth HCI Management interface */
|
||||
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/unaligned.h>
|
||||
|
||||
#include <net/bluetooth/bluetooth.h>
|
||||
#include <net/bluetooth/hci_core.h>
|
||||
#include <net/bluetooth/mgmt.h>
|
||||
|
||||
#define MGMT_VERSION 0
|
||||
#define MGMT_REVISION 1
|
||||
|
||||
static int cmd_status(struct sock *sk, u16 cmd, u8 status)
|
||||
{
|
||||
struct sk_buff *skb;
|
||||
struct mgmt_hdr *hdr;
|
||||
struct mgmt_ev_cmd_status *ev;
|
||||
|
||||
BT_DBG("sock %p", sk);
|
||||
|
||||
skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC);
|
||||
if (!skb)
|
||||
return -ENOMEM;
|
||||
|
||||
hdr = (void *) skb_put(skb, sizeof(*hdr));
|
||||
|
||||
hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
|
||||
hdr->len = cpu_to_le16(sizeof(*ev));
|
||||
|
||||
ev = (void *) skb_put(skb, sizeof(*ev));
|
||||
ev->status = status;
|
||||
put_unaligned_le16(cmd, &ev->opcode);
|
||||
|
||||
if (sock_queue_rcv_skb(sk, skb) < 0)
|
||||
kfree_skb(skb);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int read_version(struct sock *sk)
|
||||
{
|
||||
struct sk_buff *skb;
|
||||
struct mgmt_hdr *hdr;
|
||||
struct mgmt_ev_cmd_complete *ev;
|
||||
struct mgmt_rp_read_version *rp;
|
||||
|
||||
BT_DBG("sock %p", sk);
|
||||
|
||||
skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + sizeof(*rp), GFP_ATOMIC);
|
||||
if (!skb)
|
||||
return -ENOMEM;
|
||||
|
||||
hdr = (void *) skb_put(skb, sizeof(*hdr));
|
||||
hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
|
||||
hdr->len = cpu_to_le16(sizeof(*ev) + sizeof(*rp));
|
||||
|
||||
ev = (void *) skb_put(skb, sizeof(*ev));
|
||||
put_unaligned_le16(MGMT_OP_READ_VERSION, &ev->opcode);
|
||||
|
||||
rp = (void *) skb_put(skb, sizeof(*rp));
|
||||
rp->version = MGMT_VERSION;
|
||||
put_unaligned_le16(MGMT_REVISION, &rp->revision);
|
||||
|
||||
if (sock_queue_rcv_skb(sk, skb) < 0)
|
||||
kfree_skb(skb);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int read_index_list(struct sock *sk)
|
||||
{
|
||||
struct sk_buff *skb;
|
||||
struct mgmt_hdr *hdr;
|
||||
struct mgmt_ev_cmd_complete *ev;
|
||||
struct mgmt_rp_read_index_list *rp;
|
||||
struct list_head *p;
|
||||
size_t body_len;
|
||||
u16 count;
|
||||
int i;
|
||||
|
||||
BT_DBG("sock %p", sk);
|
||||
|
||||
read_lock(&hci_dev_list_lock);
|
||||
|
||||
count = 0;
|
||||
list_for_each(p, &hci_dev_list) {
|
||||
count++;
|
||||
}
|
||||
|
||||
body_len = sizeof(*ev) + sizeof(*rp) + (2 * count);
|
||||
skb = alloc_skb(sizeof(*hdr) + body_len, GFP_ATOMIC);
|
||||
if (!skb)
|
||||
return -ENOMEM;
|
||||
|
||||
hdr = (void *) skb_put(skb, sizeof(*hdr));
|
||||
hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
|
||||
hdr->len = cpu_to_le16(body_len);
|
||||
|
||||
ev = (void *) skb_put(skb, sizeof(*ev));
|
||||
put_unaligned_le16(MGMT_OP_READ_INDEX_LIST, &ev->opcode);
|
||||
|
||||
rp = (void *) skb_put(skb, sizeof(*rp) + (2 * count));
|
||||
put_unaligned_le16(count, &rp->num_controllers);
|
||||
|
||||
i = 0;
|
||||
list_for_each(p, &hci_dev_list) {
|
||||
struct hci_dev *d = list_entry(p, struct hci_dev, list);
|
||||
put_unaligned_le16(d->id, &rp->index[i++]);
|
||||
BT_DBG("Added hci%u", d->id);
|
||||
}
|
||||
|
||||
read_unlock(&hci_dev_list_lock);
|
||||
|
||||
if (sock_queue_rcv_skb(sk, skb) < 0)
|
||||
kfree_skb(skb);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int read_controller_info(struct sock *sk, unsigned char *data, u16 len)
|
||||
{
|
||||
struct sk_buff *skb;
|
||||
struct mgmt_hdr *hdr;
|
||||
struct mgmt_ev_cmd_complete *ev;
|
||||
struct mgmt_rp_read_info *rp;
|
||||
struct mgmt_cp_read_info *cp;
|
||||
struct hci_dev *hdev;
|
||||
u16 dev_id;
|
||||
|
||||
BT_DBG("sock %p", sk);
|
||||
|
||||
if (len != 2)
|
||||
return cmd_status(sk, MGMT_OP_READ_INFO, EINVAL);
|
||||
|
||||
skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + sizeof(*rp), GFP_ATOMIC);
|
||||
if (!skb)
|
||||
return -ENOMEM;
|
||||
|
||||
hdr = (void *) skb_put(skb, sizeof(*hdr));
|
||||
hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
|
||||
hdr->len = cpu_to_le16(sizeof(*ev) + sizeof(*rp));
|
||||
|
||||
ev = (void *) skb_put(skb, sizeof(*ev));
|
||||
put_unaligned_le16(MGMT_OP_READ_INFO, &ev->opcode);
|
||||
|
||||
rp = (void *) skb_put(skb, sizeof(*rp));
|
||||
|
||||
cp = (void *) data;
|
||||
dev_id = get_unaligned_le16(&cp->index);
|
||||
|
||||
BT_DBG("request for hci%u", dev_id);
|
||||
|
||||
hdev = hci_dev_get(dev_id);
|
||||
if (!hdev) {
|
||||
kfree_skb(skb);
|
||||
return cmd_status(sk, MGMT_OP_READ_INFO, ENODEV);
|
||||
}
|
||||
|
||||
hci_dev_lock_bh(hdev);
|
||||
|
||||
put_unaligned_le16(hdev->id, &rp->index);
|
||||
rp->type = hdev->dev_type;
|
||||
|
||||
rp->powered = test_bit(HCI_UP, &hdev->flags);
|
||||
rp->discoverable = test_bit(HCI_ISCAN, &hdev->flags);
|
||||
rp->pairable = test_bit(HCI_PSCAN, &hdev->flags);
|
||||
|
||||
if (test_bit(HCI_AUTH, &hdev->flags))
|
||||
rp->sec_mode = 3;
|
||||
else if (hdev->ssp_mode > 0)
|
||||
rp->sec_mode = 4;
|
||||
else
|
||||
rp->sec_mode = 2;
|
||||
|
||||
bacpy(&rp->bdaddr, &hdev->bdaddr);
|
||||
memcpy(rp->features, hdev->features, 8);
|
||||
memcpy(rp->dev_class, hdev->dev_class, 3);
|
||||
put_unaligned_le16(hdev->manufacturer, &rp->manufacturer);
|
||||
rp->hci_ver = hdev->hci_ver;
|
||||
put_unaligned_le16(hdev->hci_rev, &rp->hci_rev);
|
||||
|
||||
hci_dev_unlock_bh(hdev);
|
||||
hci_dev_put(hdev);
|
||||
|
||||
if (sock_queue_rcv_skb(sk, skb) < 0)
|
||||
kfree_skb(skb);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
|
||||
{
|
||||
unsigned char *buf;
|
||||
struct mgmt_hdr *hdr;
|
||||
u16 opcode, len;
|
||||
int err;
|
||||
|
||||
BT_DBG("got %zu bytes", msglen);
|
||||
|
||||
if (msglen < sizeof(*hdr))
|
||||
return -EINVAL;
|
||||
|
||||
buf = kmalloc(msglen, GFP_ATOMIC);
|
||||
if (!buf)
|
||||
return -ENOMEM;
|
||||
|
||||
if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
|
||||
err = -EFAULT;
|
||||
goto done;
|
||||
}
|
||||
|
||||
hdr = (struct mgmt_hdr *) buf;
|
||||
opcode = get_unaligned_le16(&hdr->opcode);
|
||||
len = get_unaligned_le16(&hdr->len);
|
||||
|
||||
if (len != msglen - sizeof(*hdr)) {
|
||||
err = -EINVAL;
|
||||
goto done;
|
||||
}
|
||||
|
||||
switch (opcode) {
|
||||
case MGMT_OP_READ_VERSION:
|
||||
err = read_version(sk);
|
||||
break;
|
||||
case MGMT_OP_READ_INDEX_LIST:
|
||||
err = read_index_list(sk);
|
||||
break;
|
||||
case MGMT_OP_READ_INFO:
|
||||
err = read_controller_info(sk, buf + sizeof(*hdr), len);
|
||||
break;
|
||||
default:
|
||||
BT_DBG("Unknown op %u", opcode);
|
||||
err = cmd_status(sk, opcode, 0x01);
|
||||
break;
|
||||
}
|
||||
|
||||
if (err < 0)
|
||||
goto done;
|
||||
|
||||
err = msglen;
|
||||
|
||||
done:
|
||||
kfree(buf);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int mgmt_event(u16 event, void *data, u16 data_len)
|
||||
{
|
||||
struct sk_buff *skb;
|
||||
struct mgmt_hdr *hdr;
|
||||
|
||||
skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC);
|
||||
if (!skb)
|
||||
return -ENOMEM;
|
||||
|
||||
bt_cb(skb)->channel = HCI_CHANNEL_CONTROL;
|
||||
|
||||
hdr = (void *) skb_put(skb, sizeof(*hdr));
|
||||
hdr->opcode = cpu_to_le16(event);
|
||||
hdr->len = cpu_to_le16(data_len);
|
||||
|
||||
memcpy(skb_put(skb, data_len), data, data_len);
|
||||
|
||||
hci_send_to_sock(NULL, skb);
|
||||
kfree_skb(skb);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int mgmt_index_added(u16 index)
|
||||
{
|
||||
struct mgmt_ev_index_added ev;
|
||||
|
||||
put_unaligned_le16(index, &ev.index);
|
||||
|
||||
return mgmt_event(MGMT_EV_INDEX_ADDED, &ev, sizeof(ev));
|
||||
}
|
||||
|
||||
int mgmt_index_removed(u16 index)
|
||||
{
|
||||
struct mgmt_ev_index_added ev;
|
||||
|
||||
put_unaligned_le16(index, &ev.index);
|
||||
|
||||
return mgmt_event(MGMT_EV_INDEX_REMOVED, &ev, sizeof(ev));
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user