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Bluetooth: Add support for Read Unconfigured Index List command

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This command allows to get the list of currently known controller that
are in unconfigured state.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2014-07-02 22:10:52 +02:00
parent edd3896bc4
commit 73d1df2a7a
2 changed files with 88 additions and 10 deletions
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7
include/net/bluetooth/mgmt.h
View file

@ -464,6 +464,13 @@ struct mgmt_cp_load_conn_param {
} __packed;
#define MGMT_LOAD_CONN_PARAM_SIZE 2
#define MGMT_OP_READ_UNCONF_INDEX_LIST 0x0036
#define MGMT_READ_UNCONF_INDEX_LIST_SIZE 0
struct mgmt_rp_read_unconf_index_list {
__le16 num_controllers;
__le16 index[0];
} __packed;
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
__le16 opcode;

91
net/bluetooth/mgmt.c
View file

@ -89,6 +89,7 @@ static const u16 mgmt_commands[] = {
MGMT_OP_ADD_DEVICE,
MGMT_OP_REMOVE_DEVICE,
MGMT_OP_LOAD_CONN_PARAM,
MGMT_OP_READ_UNCONF_INDEX_LIST,
};
static const u16 mgmt_events[] = {
@ -336,7 +337,8 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
count = 0;
list_for_each_entry(d, &hci_dev_list, list) {
if (d->dev_type == HCI_BREDR)
if (d->dev_type == HCI_BREDR &&
!test_bit(HCI_UNCONFIGURED, &d->dev_flags))
count++;
}
@ -349,16 +351,18 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
count = 0;
list_for_each_entry(d, &hci_dev_list, list) {
if (test_bit(HCI_SETUP, &d->dev_flags))
if (test_bit(HCI_SETUP, &d->dev_flags) ||
test_bit(HCI_USER_CHANNEL, &d->dev_flags))
continue;
if (test_bit(HCI_USER_CHANNEL, &d->dev_flags))
/* Devices marked as raw-only are neither configured
* nor unconfigured controllers.
*/
if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
continue;
if (test_bit(HCI_UNCONFIGURED, &d->dev_flags))
continue;
if (d->dev_type == HCI_BREDR) {
if (d->dev_type == HCI_BREDR &&
!test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
rp->index[count++] = cpu_to_le16(d->id);
BT_DBG("Added hci%u", d->id);
}
@ -377,6 +381,65 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
return err;
}
static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
void *data, u16 data_len)
{
struct mgmt_rp_read_unconf_index_list *rp;
struct hci_dev *d;
size_t rp_len;
u16 count;
int err;
BT_DBG("sock %p", sk);
read_lock(&hci_dev_list_lock);
count = 0;
list_for_each_entry(d, &hci_dev_list, list) {
if (d->dev_type == HCI_BREDR &&
test_bit(HCI_UNCONFIGURED, &d->dev_flags))
count++;
}
rp_len = sizeof(*rp) + (2 * count);
rp = kmalloc(rp_len, GFP_ATOMIC);
if (!rp) {
read_unlock(&hci_dev_list_lock);
return -ENOMEM;
}
count = 0;
list_for_each_entry(d, &hci_dev_list, list) {
if (test_bit(HCI_SETUP, &d->dev_flags) ||
test_bit(HCI_USER_CHANNEL, &d->dev_flags))
continue;
/* Devices marked as raw-only are neither configured
* nor unconfigured controllers.
*/
if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
continue;
if (d->dev_type == HCI_BREDR &&
test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
rp->index[count++] = cpu_to_le16(d->id);
BT_DBG("Added hci%u", d->id);
}
}
rp->num_controllers = cpu_to_le16(count);
rp_len = sizeof(*rp) + (2 * count);
read_unlock(&hci_dev_list_lock);
err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_UNCONF_INDEX_LIST,
0, rp, rp_len);
kfree(rp);
return err;
}
static u32 get_supported_settings(struct hci_dev *hdev)
{
u32 settings = 0;
@ -5273,7 +5336,8 @@ static const struct mgmt_handler {
{ get_clock_info, false, MGMT_GET_CLOCK_INFO_SIZE },
{ add_device, false, MGMT_ADD_DEVICE_SIZE },
{ remove_device, false, MGMT_REMOVE_DEVICE_SIZE },
{ load_conn_param, true, MGMT_LOAD_CONN_PARAM_SIZE },
{ load_conn_param, true, MGMT_LOAD_CONN_PARAM_SIZE },
{ read_unconf_index_list, false, MGMT_READ_UNCONF_INDEX_LIST_SIZE },
};
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
@ -5335,8 +5399,15 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
goto done;
}
if ((hdev && opcode < MGMT_OP_READ_INFO) ||
(!hdev && opcode >= MGMT_OP_READ_INFO)) {
if (hdev && (opcode <= MGMT_OP_READ_INDEX_LIST ||
opcode == MGMT_OP_READ_UNCONF_INDEX_LIST)) {
err = cmd_status(sk, index, opcode,
MGMT_STATUS_INVALID_INDEX);
goto done;
}
if (!hdev && (opcode > MGMT_OP_READ_INDEX_LIST &&
opcode != MGMT_OP_READ_UNCONF_INDEX_LIST)) {
err = cmd_status(sk, index, opcode,
MGMT_STATUS_INVALID_INDEX);
goto done;