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libertas: sysfs interface for accessing default mesh channel

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

... which I overlooked on my previous patch.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Javier Cardona 2008-05-20 15:18:49 -07:00 committed by John W. Linville
parent edf5dabfa8
commit b679aeb304
1 changed files with 45 additions and 0 deletions
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45
drivers/net/wireless/libertas/persistcfg.c
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@ -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
};