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authorJavier Cardona <javier@cozybit.com>2008-05-20 15:18:49 -0700
committerJohn W. Linville <linville@tuxdriver.com>2008-05-21 21:47:41 -0400
commitb679aeb304e3070626750c15e043a40da0e942fc (patch)
tree03bf98085285006f8a035ae7ac2a03c830381549 /drivers/net/wireless/libertas/persistcfg.c
parentedf5dabfa86163d589041cccf607b41a7033e9b0 (diff)
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: Javier Cardona <javier@cozybit.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/libertas/persistcfg.c')
-rw-r--r--drivers/net/wireless/libertas/persistcfg.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/wireless/libertas/persistcfg.c b/drivers/net/wireless/libertas/persistcfg.c
index baa66273889..6cf5e3949af 100644
--- a/drivers/net/wireless/libertas/persistcfg.c
+++ b/drivers/net/wireless/libertas/persistcfg.c
@@ -130,6 +130,49 @@ static ssize_t boottime_set(struct device *dev,
}
/**
+ * @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
*/
static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr,
@@ -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
};