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Commit b679aeb3 authored by Javier Cardona's avatar Javier Cardona Committed by John W. Linville
Browse files

libertas: sysfs interface for accessing default mesh channel 



This will create the following entry:
/sys/class/net/mshX
            -- boot_options
            |   |-- ...
            |   `-- channel
            ...

... which I overlooked on my previous patch.

Signed-off-by: default avatarJavier Cardona <javier@cozybit.com>
Signed-off-by: default avatarDavid Woodhouse <dwmw2@infradead.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent edf5dabf

drivers/net/wireless/libertas/persistcfg.c

+45 −0
Original line number Diff line number Diff line
@@ -129,6 +129,49 @@ static ssize_t boottime_set(struct device *dev, 
	return strlen(buf);

}



/**

 * @brief Get function for sysfs attribute channel

 */

static ssize_t channel_get(struct device *dev,

			   struct device_attribute *attr, char *buf)

{

	struct mrvl_mesh_defaults defs;

	int ret;



	ret = mesh_get_default_parameters(dev, &defs);



	if (ret)

		return ret;



	return snprintf(buf, 12, "0x%x\n", le16_to_cpu(defs.channel));

}



/**

 * @brief Set function for sysfs attribute channel

 */

static ssize_t channel_set(struct device *dev, struct device_attribute *attr,

			   const char *buf, size_t count)

{

	struct lbs_private *priv = to_net_dev(dev)->priv;

	struct cmd_ds_mesh_config cmd;

	uint16_t datum;

	int ret;



	memset(&cmd, 0, sizeof(cmd));

	ret = sscanf(buf, "%hx", &datum);

	if (ret != 1 || datum < 1 || datum > 11)

		return -EINVAL;



	*((__le16 *)&cmd.data[0]) = cpu_to_le16(datum);

	cmd.length = cpu_to_le16(sizeof(uint16_t));

	ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,

				   CMD_TYPE_MESH_SET_DEF_CHANNEL);

	if (ret)

		return ret;



	return strlen(buf);

}



/**

 * @brief Get function for sysfs attribute mesh_id

 */
@@ -365,6 +408,7 @@ static ssize_t capability_set(struct device *dev, struct device_attribute *attr, 


static DEVICE_ATTR(bootflag, 0644, bootflag_get, bootflag_set);

static DEVICE_ATTR(boottime, 0644, boottime_get, boottime_set);

static DEVICE_ATTR(channel, 0644, channel_get, channel_set);

static DEVICE_ATTR(mesh_id, 0644, mesh_id_get, mesh_id_set);

static DEVICE_ATTR(protocol_id, 0644, protocol_id_get, protocol_id_set);

static DEVICE_ATTR(metric_id, 0644, metric_id_get, metric_id_set);
@@ -373,6 +417,7 @@ static DEVICE_ATTR(capability, 0644, capability_get, capability_set); 
static struct attribute *boot_opts_attrs[] = {

	&dev_attr_bootflag.attr,

	&dev_attr_boottime.attr,

	&dev_attr_channel.attr,

	NULL

};