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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/padovan/bluetooth-next-2.6

Browse source
This commit is contained in:
John W. Linville 2011-01-04 14:25:28 -05:00
commit 782a9e31e8
10 changed files with 498 additions and 23 deletions
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1
include/net/bluetooth/bluetooth.h
View file

@ -144,6 +144,7 @@ struct bt_skb_cb {
__u8 tx_seq;
__u8 retries;
__u8 sar;
unsigned short channel;
};
#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))

4
include/net/bluetooth/hci.h
View file

@ -934,9 +934,13 @@ static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb)
struct sockaddr_hci {
sa_family_t hci_family;
unsigned short hci_dev;
unsigned short hci_channel;
};
#define HCI_DEV_NONE 0xffff
#define HCI_CHANNEL_RAW 0
#define HCI_CHANNEL_CONTROL 1
struct hci_filter {
unsigned long type_mask;
unsigned long event_mask[2];

9
include/net/bluetooth/hci_core.h
View file

@ -129,6 +129,7 @@ struct hci_dev {
wait_queue_head_t req_wait_q;
__u32 req_status;
__u32 req_result;
__u16 req_last_cmd;
struct inquiry_cache inq_cache;
struct hci_conn_hash conn_hash;
@ -660,6 +661,11 @@ void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
/* ----- HCI Sockets ----- */
void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
/* Management interface */
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
int mgmt_index_added(u16 index);
int mgmt_index_removed(u16 index);
/* HCI info for socket */
#define hci_pi(sk) ((struct hci_pinfo *) sk)
@ -668,6 +674,7 @@ struct hci_pinfo {
struct hci_dev *hdev;
struct hci_filter filter;
__u32 cmsg_mask;
unsigned short channel;
};
/* HCI security filter */
@ -687,6 +694,6 @@ struct hci_sec_filter {
#define hci_req_lock(d) mutex_lock(&d->req_lock)
#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
void hci_req_complete(struct hci_dev *hdev, int result);
void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
#endif /* __HCI_CORE_H */

87
include/net/bluetooth/mgmt.h Normal file
View file

@ -0,0 +1,87 @@
/*
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.
*/
struct mgmt_hdr {
__le16 opcode;
__le16 len;
} __packed;
#define MGMT_HDR_SIZE 4
#define MGMT_OP_READ_VERSION 0x0001
struct mgmt_rp_read_version {
__u8 version;
__le16 revision;
} __packed;
#define MGMT_OP_READ_INDEX_LIST 0x0003
struct mgmt_rp_read_index_list {
__le16 num_controllers;
__le16 index[0];
} __packed;
#define MGMT_OP_READ_INFO 0x0004
struct mgmt_cp_read_info {
__le16 index;
} __packed;
struct mgmt_rp_read_info {
__le16 index;
__u8 type;
__u8 powered;
__u8 discoverable;
__u8 pairable;
__u8 sec_mode;
bdaddr_t bdaddr;
__u8 dev_class[3];
__u8 features[8];
__u16 manufacturer;
__u8 hci_ver;
__u16 hci_rev;
} __packed;
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
__le16 opcode;
__u8 data[0];
} __packed;
#define MGMT_EV_CMD_STATUS 0x0002
struct mgmt_ev_cmd_status {
__u8 status;
__le16 opcode;
} __packed;
#define MGMT_EV_CONTROLLER_ERROR 0x0003
struct mgmt_ev_controller_error {
__le16 index;
__u8 error_code;
} __packed;
#define MGMT_EV_INDEX_ADDED 0x0004
struct mgmt_ev_index_added {
__le16 index;
} __packed;
#define MGMT_EV_INDEX_REMOVED 0x0005
struct mgmt_ev_index_removed {
__le16 index;
} __packed;

2
net/bluetooth/Makefile
View file

@ -10,4 +10,4 @@ obj-$(CONFIG_BT_BNEP) += bnep/
obj-$(CONFIG_BT_CMTP) += cmtp/
obj-$(CONFIG_BT_HIDP) += hidp/
bluetooth-objs := af_bluetooth.o hci_core.o hci_conn.o hci_event.o hci_sock.o hci_sysfs.o lib.o
bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o hci_sock.o hci_sysfs.o lib.o

17
net/bluetooth/hci_core.c
View file

@ -91,9 +91,16 @@ static void hci_notify(struct hci_dev *hdev, int event)
/* ---- HCI requests ---- */
void hci_req_complete(struct hci_dev *hdev, int result)
void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result)
{
BT_DBG("%s result 0x%2.2x", hdev->name, result);
BT_DBG("%s command 0x%04x result 0x%2.2x", hdev->name, cmd, result);
/* If the request has set req_last_cmd (typical for multi-HCI
* command requests) check if the completed command matches
* this, and if not just return. Single HCI command requests
* typically leave req_last_cmd as 0 */
if (hdev->req_last_cmd && cmd != hdev->req_last_cmd)
return;
if (hdev->req_status == HCI_REQ_PEND) {
hdev->req_result = result;
@ -149,7 +156,7 @@ static int __hci_request(struct hci_dev *hdev, void (*req)(struct hci_dev *hdev,
break;
}
hdev->req_status = hdev->req_result = 0;
hdev->req_last_cmd = hdev->req_status = hdev->req_result = 0;
BT_DBG("%s end: err %d", hdev->name, err);
@ -252,6 +259,8 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt)
/* Connection accept timeout ~20 secs */
param = cpu_to_le16(0x7d00);
hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, &param);
hdev->req_last_cmd = HCI_OP_WRITE_CA_TIMEOUT;
}
static void hci_scan_req(struct hci_dev *hdev, unsigned long opt)
@ -960,6 +969,7 @@ int hci_register_dev(struct hci_dev *hdev)
}
}
mgmt_index_added(hdev->id);
hci_notify(hdev, HCI_DEV_REG);
return id;
@ -989,6 +999,7 @@ int hci_unregister_dev(struct hci_dev *hdev)
for (i = 0; i < NUM_REASSEMBLY; i++)
kfree_skb(hdev->reassembly[i]);
mgmt_index_removed(hdev->id);
hci_notify(hdev, HCI_DEV_UNREG);
if (hdev->rfkill) {

33
net/bluetooth/hci_event.c
View file

@ -58,7 +58,7 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
clear_bit(HCI_INQUIRY, &hdev->flags);
hci_req_complete(hdev, status);
hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
hci_conn_check_pending(hdev);
}
@ -174,7 +174,7 @@ static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *s
if (!status)
hdev->link_policy = get_unaligned_le16(sent);
hci_req_complete(hdev, status);
hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
}
static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
@ -183,7 +183,7 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s status 0x%x", hdev->name, status);
hci_req_complete(hdev, status);
hci_req_complete(hdev, HCI_OP_RESET, status);
}
static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
@ -235,7 +235,7 @@ static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
clear_bit(HCI_AUTH, &hdev->flags);
}
hci_req_complete(hdev, status);
hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status);
}
static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
@ -258,7 +258,7 @@ static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
clear_bit(HCI_ENCRYPT, &hdev->flags);
}
hci_req_complete(hdev, status);
hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
}
static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
@ -285,7 +285,7 @@ static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
set_bit(HCI_PSCAN, &hdev->flags);
}
hci_req_complete(hdev, status);
hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
}
static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
@ -383,7 +383,7 @@ static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s status 0x%x", hdev->name, status);
hci_req_complete(hdev, status);
hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
}
static void hci_cc_read_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
@ -536,7 +536,16 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
if (!rp->status)
bacpy(&hdev->bdaddr, &rp->bdaddr);
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;

52
net/bluetooth/hci_sock.c
View file

@ -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");

8
net/bluetooth/l2cap.c
View file

@ -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
View 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));
}