Hi Lukasz,
Maybe unrelated, but I'm looking for a way to enforce BlueZ to run LE only (central) under linux 3.13.
btmgmt bredr seems to do this, but could I do it via some "config-level" setting to ensure no one on the system can initiate anything else than LE related things.
best David
On 23 Apr 2014, at 00:16, Lukasz Rymanowski <lukasz.rymanowski@xxxxxxxxx> wrote:
> This patch adds possibility to start BlueZ only in LE mode only.
>
> It is useful for testing purpose, when you want test BlueZ in
> peripheral mode against any dual mode device.
> ---
> android/README | 3 +++
> android/bluetooth.c | 7 ++++++-
> android/hal-bluetooth.c | 15 ++++++++++++++-
> android/hal-msg.h | 1 +
> 4 files changed, 24 insertions(+), 2 deletions(-)
>
> diff --git a/android/README b/android/README
> index 6254d34..9b08610 100644
> --- a/android/README
> +++ b/android/README
> @@ -166,6 +166,9 @@ options.
>
> Property Value Description
> -------------------------------------------
> +mode le_only Enable BlueZ in Low Energy mode only.
> + <none> Enable BlueZ in default mode - enable br/edr/le
> + if possible.
> handsfree hfp Enable Handsfree Profile (HFP) with narrowband
> speech only
> hfp_wbs Enable Handsfree Profile (HFP) with narrowband
> diff --git a/android/bluetooth.c b/android/bluetooth.c
> index 93c7935..923285c 100644
> --- a/android/bluetooth.c
> +++ b/android/bluetooth.c
> @@ -3894,10 +3894,15 @@ static const struct ipc_handler cmd_handlers[] = {
>
> void bt_bluetooth_register(struct ipc *ipc, uint8_t mode)
> {
> - DBG("");
> + DBG("mode 0x%x", mode);
>
> hal_ipc = ipc;
>
> + if ((mode == HAL_MODE_LE_ONLY) &&
> + (adapter.current_settings & MGMT_SETTING_LE) &&
> + (adapter.current_settings & MGMT_SETTING_BREDR))
> + set_mode(MGMT_OP_SET_BREDR, 0x00);
> +
> ipc_register(hal_ipc, HAL_SERVICE_ID_BLUETOOTH, cmd_handlers,
> G_N_ELEMENTS(cmd_handlers));
> }
> diff --git a/android/hal-bluetooth.c b/android/hal-bluetooth.c
> index 48d5ea2..69009ff 100644
> --- a/android/hal-bluetooth.c
> +++ b/android/hal-bluetooth.c
> @@ -29,6 +29,8 @@
> #include "hal-ipc.h"
> #include "hal-utils.h"
>
> +#define MODE_PROPERTY_NAME "persist.sys.bluetooth.mode"
> +
> static const bt_callbacks_t *bt_hal_cbacks = NULL;
>
> #define enum_prop_to_hal(prop, hal_prop, type) do { \
> @@ -412,6 +414,17 @@ static const struct hal_ipc_handler ev_handlers[] = {
> }
> };
>
> +static uint8_t get_mode(void)
> +{
> + char value[PROPERTY_VALUE_MAX];
> +
> + if (property_get(MODE_PROPERTY_NAME, value, "") > 0 &&
> + (!strcasecmp(value, "le_only")))
> + return HAL_MODE_LE_ONLY;
> +
> + return HAL_MODE_DEFAULT;
> +}
> +
> static int init(bt_callbacks_t *callbacks)
> {
> struct hal_cmd_register_module cmd;
> @@ -433,7 +446,7 @@ static int init(bt_callbacks_t *callbacks)
> }
>
> cmd.service_id = HAL_SERVICE_ID_BLUETOOTH;
> - cmd.mode = HAL_MODE_DEFAULT;
> + cmd.mode = get_mode();
>
> status = hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_REGISTER_MODULE,
> sizeof(cmd), &cmd, NULL, NULL, NULL);
> diff --git a/android/hal-msg.h b/android/hal-msg.h
> index ed0a67a..db21870 100644
> --- a/android/hal-msg.h
> +++ b/android/hal-msg.h
> @@ -55,6 +55,7 @@ static const char BLUEZ_HAL_SK_PATH[] = "\0bluez_hal_socket";
> #define HAL_OP_STATUS IPC_OP_STATUS
>
> #define HAL_MODE_DEFAULT 0x00
> +#define HAL_MODE_LE_ONLY 0x01
>
> #define HAL_OP_REGISTER_MODULE 0x01
> struct hal_cmd_register_module {
> --
> 1.8.4
>
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