[PATCH 75/48] libertas: add lbs_mesh sysfs attribute for enabling mesh
David Woodhouse
dwmw2 at infradead.org
Thu Dec 13 01:59:51 EST 2007
Date: Tue, 11 Dec 2007 18:56:42 -0500
Signed-off-by: David Woodhouse <dwmw2 at infradead.org>
---
drivers/net/wireless/libertas/cmd.c | 17 +++++++
drivers/net/wireless/libertas/cmd.h | 2 +
drivers/net/wireless/libertas/decl.h | 2 -
drivers/net/wireless/libertas/dev.h | 2 +
drivers/net/wireless/libertas/host.h | 1 +
drivers/net/wireless/libertas/hostcmd.h | 12 +++++
drivers/net/wireless/libertas/if_usb.c | 6 ---
drivers/net/wireless/libertas/main.c | 74 +++++++++++++++++++++++++++----
8 files changed, 99 insertions(+), 17 deletions(-)
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 2228fec..01d2349 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -1093,6 +1093,23 @@ int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
}
EXPORT_SYMBOL_GPL(lbs_mesh_access);
+int lbs_mesh_config(struct lbs_private *priv, int enable)
+{
+ struct cmd_ds_mesh_config cmd;
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.action = cpu_to_le16(enable);
+ cmd.channel = cpu_to_le16(priv->curbssparams.channel);
+ cmd.type = cpu_to_le16(0x100 + 37);
+
+ if (enable) {
+ cmd.length = cpu_to_le16(priv->mesh_ssid_len);
+ memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
+ }
+
+ return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, cmd);
+}
+
static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action)
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index 5b02d73..80714b5 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -33,4 +33,6 @@ int lbs_set_data_rate(struct lbs_private *priv, u8 rate);
int lbs_get_channel(struct lbs_private *priv);
int lbs_set_channel(struct lbs_private *priv, u8 channel);
+int lbs_mesh_config(struct lbs_private *priv, int enable);
+
#endif /* _LBS_CMD_H */
diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index 33c8305..9b0ef16 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -74,8 +74,6 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev);
int lbs_remove_card(struct lbs_private *priv);
int lbs_start_card(struct lbs_private *priv);
int lbs_stop_card(struct lbs_private *priv);
-int lbs_add_mesh(struct lbs_private *priv, struct device *dev);
-void lbs_remove_mesh(struct lbs_private *priv);
int lbs_reset_device(struct lbs_private *priv);
void lbs_host_to_card_done(struct lbs_private *priv);
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 9921d0c..86b45a4 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -201,6 +201,8 @@ struct lbs_private {
/** current ssid/bssid related parameters*/
struct current_bss_params curbssparams;
+ u8 mesh_ssid[IW_ESSID_MAX_SIZE + 1];
+ u8 mesh_ssid_len;
/* IW_MODE_* */
u8 mode;
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index cc5f9bf..fcd2238 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -113,6 +113,7 @@
#define CMD_802_11_MONITOR_MODE 0x0098
#define CMD_MESH_ACCESS 0x009b
+#define CMD_MESH_CONFIG 0x00a3
#define CMD_SET_BOOT2_VER 0x00a5
diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h
index 7acb651..aab5d64 100644
--- a/drivers/net/wireless/libertas/hostcmd.h
+++ b/drivers/net/wireless/libertas/hostcmd.h
@@ -626,6 +626,18 @@ struct cmd_ds_fwt_access {
u8 prec[ETH_ALEN];
} __attribute__ ((packed));
+
+struct cmd_ds_mesh_config {
+ struct cmd_header hdr;
+
+ __le16 action;
+ __le16 channel;
+ __le16 type;
+ __le16 length;
+ u8 data[128]; /* last position reserved */
+} __attribute__ ((packed));
+
+
struct cmd_ds_mesh_access {
struct cmd_header hdr;
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 7c57ff4..351c7ea 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -232,9 +232,6 @@ static int if_usb_probe(struct usb_interface *intf,
cardp->priv = priv;
cardp->priv->fw_ready = 1;
- if (lbs_add_mesh(priv, &udev->dev))
- goto err_add_mesh;
-
cardp->eth_dev = priv->dev;
priv->hw_host_to_card = if_usb_host_to_card;
@@ -255,8 +252,6 @@ static int if_usb_probe(struct usb_interface *intf,
return 0;
err_start_card:
- lbs_remove_mesh(priv);
-err_add_mesh:
lbs_remove_card(priv);
err_prog_firmware:
if_usb_reset_device(cardp);
@@ -286,7 +281,6 @@ static void if_usb_disconnect(struct usb_interface *intf)
priv->surpriseremoved = 1;
lbs_stop_card(priv);
- lbs_remove_mesh(priv);
lbs_remove_card(priv);
}
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index c51d3af..fd76c46 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -254,6 +254,9 @@ static ssize_t lbs_anycast_set(struct device *dev,
static int lbs_add_rtap(struct lbs_private *priv);
static void lbs_remove_rtap(struct lbs_private *priv);
+static int lbs_add_mesh(struct lbs_private *priv);
+static void lbs_remove_mesh(struct lbs_private *priv);
+
/**
* Get function for sysfs attribute rtap
@@ -312,11 +315,53 @@ static ssize_t lbs_rtap_set(struct device *dev,
}
/**
- * lbs_rtap attribute to be exported per mshX interface
- * through sysfs (/sys/class/net/mshX/libertas-rtap)
+ * lbs_rtap attribute to be exported per ethX interface
+ * through sysfs (/sys/class/net/ethX/lbs_rtap)
*/
-static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get,
- lbs_rtap_set );
+static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set );
+
+/**
+ * Get function for sysfs attribute mesh
+ */
+static ssize_t lbs_mesh_get(struct device *dev,
+ struct device_attribute *attr, char * buf)
+{
+ struct lbs_private *priv = to_net_dev(dev)->priv;
+ return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev);
+}
+
+/**
+ * Set function for sysfs attribute mesh
+ */
+static ssize_t lbs_mesh_set(struct device *dev,
+ struct device_attribute *attr, const char * buf, size_t count)
+{
+ struct lbs_private *priv = to_net_dev(dev)->priv;
+ int enable;
+ int ret;
+
+ sscanf(buf, "%x", &enable);
+ enable = !!enable;
+ if (enable == !!priv->mesh_dev)
+ return count;
+
+ ret = lbs_mesh_config(priv, enable);
+ if (ret)
+ return ret;
+
+ if (enable)
+ lbs_add_mesh(priv);
+ else
+ lbs_remove_mesh(priv);
+
+ return count;
+}
+
+/**
+ * lbs_mesh attribute to be exported per ethX interface
+ * through sysfs (/sys/class/net/ethX/lbs_mesh)
+ */
+static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set);
/**
* anycast_mask attribute to be exported per mshX interface
@@ -867,7 +912,9 @@ static int lbs_setup_firmware(struct lbs_private *priv)
ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_AUTOSTART_ENABLED,
&mesh_access);
if (ret) {
- ret = -1;
+ printk("Mesh autostart set failed\n");
+ ret = 0;
+ //ret = -1;
goto done;
}
priv->mesh_autostart_enabled = 0;
@@ -1059,6 +1106,9 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker);
INIT_WORK(&priv->sync_channel, lbs_sync_channel);
+ sprintf(priv->mesh_ssid, "mesh");
+ priv->mesh_ssid_len = 4;
+
goto done;
err_init_adapter:
@@ -1080,6 +1130,7 @@ int lbs_remove_card(struct lbs_private *priv)
lbs_deb_enter(LBS_DEB_MAIN);
+ lbs_remove_mesh(priv);
lbs_remove_rtap(priv);
dev = priv->dev;
@@ -1133,6 +1184,8 @@ int lbs_start_card(struct lbs_private *priv)
}
if (device_create_file(&dev->dev, &dev_attr_lbs_rtap))
lbs_pr_err("cannot register lbs_rtap attribute\n");
+ if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))
+ lbs_pr_err("cannot register lbs_mesh attribute\n");
lbs_debugfs_init_one(priv, dev);
@@ -1161,6 +1214,7 @@ int lbs_stop_card(struct lbs_private *priv)
lbs_debugfs_remove_one(priv);
device_remove_file(&dev->dev, &dev_attr_lbs_rtap);
+ device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
/* Flush pending command nodes */
spin_lock_irqsave(&priv->driver_lock, flags);
@@ -1184,7 +1238,7 @@ EXPORT_SYMBOL_GPL(lbs_stop_card);
* @param priv A pointer to the struct lbs_private structure
* @return 0 if successful, -X otherwise
*/
-int lbs_add_mesh(struct lbs_private *priv, struct device *dev)
+static int lbs_add_mesh(struct lbs_private *priv)
{
struct net_device *mesh_dev = NULL;
int ret = 0;
@@ -1209,7 +1263,7 @@ int lbs_add_mesh(struct lbs_private *priv, struct device *dev)
memcpy(mesh_dev->dev_addr, priv->dev->dev_addr,
sizeof(priv->dev->dev_addr));
- SET_NETDEV_DEV(priv->mesh_dev, dev);
+ SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
#ifdef WIRELESS_EXT
mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def;
@@ -1242,7 +1296,7 @@ done:
EXPORT_SYMBOL_GPL(lbs_add_mesh);
-void lbs_remove_mesh(struct lbs_private *priv)
+static void lbs_remove_mesh(struct lbs_private *priv)
{
struct net_device *mesh_dev;
@@ -1252,6 +1306,8 @@ void lbs_remove_mesh(struct lbs_private *priv)
goto out;
mesh_dev = priv->mesh_dev;
+ if (!mesh_dev)
+ goto out;
netif_stop_queue(mesh_dev);
netif_carrier_off(priv->mesh_dev);
@@ -1259,7 +1315,7 @@ void lbs_remove_mesh(struct lbs_private *priv)
sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
unregister_netdev(mesh_dev);
- priv->mesh_dev = NULL ;
+ priv->mesh_dev = NULL;
free_netdev(mesh_dev);
out:
--
1.5.3.4
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