From 23a397ac821ab0aa263bda47131bb0628e49101a Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Tue, 11 Dec 2007 18:56:42 -0500 Subject: [PATCH] libertas: add lbs_mesh sysfs attribute for enabling mesh Signed-off-by: David Woodhouse Signed-off-by: John W. Linville --- 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 2228feccb249..01d23493b4eb 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 5b02d73c8a0e..80714b51285a 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 33c8305b5c0e..9b0ef166185d 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 9921d0cd6f1d..86b45a471fc6 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 cc5f9bf6cf2f..fcd223807ba6 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 7acb65116678..aab5d64f32d8 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 7c57ff44ad01..351c7ea43184 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 c51d3af131fd..fd76c46225d1 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: -- 2.30.2