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Re: [PATCH 2/4] libertas: mesh: misc cleanup

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On Sun, 2011-07-17 at 18:03 +0100, Daniel Drake wrote:
> Remove unused blindlist code.

The blind list stuff was to enable easier testing of the mesh
functionality in an automated fashion; are you guys not using that?  I'm
fine with removing it for now if it's not actually being used by OLPC.

Dan

> Mark a few items const and static where possible. Involved some
> code re-ordering, but no code changes.
> 
> Signed-off-by: Daniel Drake <dsd@xxxxxxxxxx>
> ---
>  drivers/net/wireless/libertas/mesh.c | 1313 +++++++++++++++-------------------
>  drivers/net/wireless/libertas/mesh.h |   24 -
>  2 files changed, 562 insertions(+), 775 deletions(-)
> 
> diff --git a/drivers/net/wireless/libertas/mesh.c b/drivers/net/wireless/libertas/mesh.c
> index 7969d10..a20419d 100644
> --- a/drivers/net/wireless/libertas/mesh.c
> +++ b/drivers/net/wireless/libertas/mesh.c
> @@ -15,6 +15,121 @@
>  #include "cmd.h"
>  
> 
> +static int lbs_add_mesh(struct lbs_private *priv);
> +
> +/***************************************************************************
> + * Mesh command handling
> + */
> +
> +static int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
> +		    struct cmd_ds_mesh_access *cmd)
> +{
> +	int ret;
> +
> +	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
> +
> +	cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
> +	cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
> +	cmd->hdr.result = 0;
> +
> +	cmd->action = cpu_to_le16(cmd_action);
> +
> +	ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
> +
> +	lbs_deb_leave(LBS_DEB_CMD);
> +	return ret;
> +}
> +
> +static int __lbs_mesh_config_send(struct lbs_private *priv,
> +				  struct cmd_ds_mesh_config *cmd,
> +				  uint16_t action, uint16_t type)
> +{
> +	int ret;
> +	u16 command = CMD_MESH_CONFIG_OLD;
> +
> +	lbs_deb_enter(LBS_DEB_CMD);
> +
> +	/*
> +	 * Command id is 0xac for v10 FW along with mesh interface
> +	 * id in bits 14-13-12.
> +	 */
> +	if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
> +		command = CMD_MESH_CONFIG |
> +			  (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET);
> +
> +	cmd->hdr.command = cpu_to_le16(command);
> +	cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_config));
> +	cmd->hdr.result = 0;
> +
> +	cmd->type = cpu_to_le16(type);
> +	cmd->action = cpu_to_le16(action);
> +
> +	ret = lbs_cmd_with_response(priv, command, cmd);
> +
> +	lbs_deb_leave(LBS_DEB_CMD);
> +	return ret;
> +}
> +
> +static int lbs_mesh_config_send(struct lbs_private *priv,
> +			 struct cmd_ds_mesh_config *cmd,
> +			 uint16_t action, uint16_t type)
> +{
> +	int ret;
> +
> +	if (!(priv->fwcapinfo & FW_CAPINFO_PERSISTENT_CONFIG))
> +		return -EOPNOTSUPP;
> +
> +	ret = __lbs_mesh_config_send(priv, cmd, action, type);
> +	return ret;
> +}
> +
> +/* This function is the CMD_MESH_CONFIG legacy function.  It only handles the
> + * START and STOP actions.  The extended actions supported by CMD_MESH_CONFIG
> + * are all handled by preparing a struct cmd_ds_mesh_config and passing it to
> + * lbs_mesh_config_send.
> + */
> +static int lbs_mesh_config(struct lbs_private *priv, uint16_t action,
> +		uint16_t chan)
> +{
> +	struct cmd_ds_mesh_config cmd;
> +	struct mrvl_meshie *ie;
> +	DECLARE_SSID_BUF(ssid);
> +
> +	memset(&cmd, 0, sizeof(cmd));
> +	cmd.channel = cpu_to_le16(chan);
> +	ie = (struct mrvl_meshie *)cmd.data;
> +
> +	switch (action) {
> +	case CMD_ACT_MESH_CONFIG_START:
> +		ie->id = WLAN_EID_GENERIC;
> +		ie->val.oui[0] = 0x00;
> +		ie->val.oui[1] = 0x50;
> +		ie->val.oui[2] = 0x43;
> +		ie->val.type = MARVELL_MESH_IE_TYPE;
> +		ie->val.subtype = MARVELL_MESH_IE_SUBTYPE;
> +		ie->val.version = MARVELL_MESH_IE_VERSION;
> +		ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP;
> +		ie->val.active_metric_id = MARVELL_MESH_METRIC_ID;
> +		ie->val.mesh_capability = MARVELL_MESH_CAPABILITY;
> +		ie->val.mesh_id_len = priv->mesh_ssid_len;
> +		memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len);
> +		ie->len = sizeof(struct mrvl_meshie_val) -
> +			IEEE80211_MAX_SSID_LEN + priv->mesh_ssid_len;
> +		cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val));
> +		break;
> +	case CMD_ACT_MESH_CONFIG_STOP:
> +		break;
> +	default:
> +		return -1;
> +	}
> +	lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n",
> +		    action, priv->mesh_tlv, chan,
> +		    print_ssid(ssid, priv->mesh_ssid, priv->mesh_ssid_len));
> +
> +	return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
> +}
> +
> +
>  /***************************************************************************
>   * Mesh sysfs support
>   */
> @@ -200,671 +315,100 @@ static struct attribute *lbs_mesh_sysfs_entries[] = {
>  	NULL,
>  };
>  
> -static struct attribute_group lbs_mesh_attr_group = {
> +static const struct attribute_group lbs_mesh_attr_group = {
>  	.attrs = lbs_mesh_sysfs_entries,
>  };
>  
> 
> -
>  /***************************************************************************
> - * Initializing and starting, stopping mesh
> + * Persistent configuration support
>   */
>  
> -/*
> - * Check mesh FW version and appropriately send the mesh start
> - * command
> - */
> -int lbs_init_mesh(struct lbs_private *priv)
> +static int mesh_get_default_parameters(struct device *dev,
> +				       struct mrvl_mesh_defaults *defs)
>  {
> -	struct net_device *dev = priv->dev;
> -	int ret = 0;
> -
> -	lbs_deb_enter(LBS_DEB_MESH);
> -
> -	priv->mesh_connect_status = LBS_DISCONNECTED;
> -
> -	/* Determine mesh_fw_ver from fwrelease and fwcapinfo */
> -	/* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */
> -	/* 5.110.22 have mesh command with 0xa3 command id */
> -	/* 10.0.0.p0 FW brings in mesh config command with different id */
> -	/* Check FW version MSB and initialize mesh_fw_ver */
> -	if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) {
> -		/* Enable mesh, if supported, and work out which TLV it uses.
> -		   0x100 + 291 is an unofficial value used in 5.110.20.pXX
> -		   0x100 + 37 is the official value used in 5.110.21.pXX
> -		   but we check them in that order because 20.pXX doesn't
> -		   give an error -- it just silently fails. */
> +	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
> +	struct cmd_ds_mesh_config cmd;
> +	int ret;
>  
> -		/* 5.110.20.pXX firmware will fail the command if the channel
> -		   doesn't match the existing channel. But only if the TLV
> -		   is correct. If the channel is wrong, _BOTH_ versions will
> -		   give an error to 0x100+291, and allow 0x100+37 to succeed.
> -		   It's just that 5.110.20.pXX will not have done anything
> -		   useful */
> +	memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
> +	ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_GET,
> +				   CMD_TYPE_MESH_GET_DEFAULTS);
>  
> -		priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID;
> -		if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
> -				    priv->channel)) {
> -			priv->mesh_tlv = TLV_TYPE_MESH_ID;
> -			if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
> -					    priv->channel))
> -				priv->mesh_tlv = 0;
> -		}
> -	} else
> -	if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) &&
> -		(priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) {
> -		/* 10.0.0.pXX new firmwares should succeed with TLV
> -		 * 0x100+37; Do not invoke command with old TLV.
> -		 */
> -		priv->mesh_tlv = TLV_TYPE_MESH_ID;
> -		if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
> -				    priv->channel))
> -			priv->mesh_tlv = 0;
> -	}
> +	if (ret)
> +		return -EOPNOTSUPP;
>  
> +	memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults));
>  
> -	if (priv->mesh_tlv) {
> -		sprintf(priv->mesh_ssid, "mesh");
> -		priv->mesh_ssid_len = 4;
> +	return 0;
> +}
>  
> -		lbs_add_mesh(priv);
> +/**
> + * bootflag_get - Get function for sysfs attribute bootflag
> + * @dev: the &struct device
> + * @attr: device attributes
> + * @buf: buffer where data will be returned
> + */
> +static ssize_t bootflag_get(struct device *dev,
> +			    struct device_attribute *attr, char *buf)
> +{
> +	struct mrvl_mesh_defaults defs;
> +	int ret;
>  
> -		if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))
> -			netdev_err(dev, "cannot register lbs_mesh attribute\n");
> +	ret = mesh_get_default_parameters(dev, &defs);
>  
> -		ret = 1;
> -	}
> +	if (ret)
> +		return ret;
>  
> -	lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
> -	return ret;
> +	return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag));
>  }
>  
> -
> -int lbs_deinit_mesh(struct lbs_private *priv)
> +/**
> + * bootflag_set - Set function for sysfs attribute bootflag
> + * @dev: the &struct device
> + * @attr: device attributes
> + * @buf: buffer that contains new attribute value
> + * @count: size of buffer
> + */
> +static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr,
> +			    const char *buf, size_t count)
>  {
> -	struct net_device *dev = priv->dev;
> -	int ret = 0;
> +	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
> +	struct cmd_ds_mesh_config cmd;
> +	uint32_t datum;
> +	int ret;
>  
> -	lbs_deb_enter(LBS_DEB_MESH);
> +	memset(&cmd, 0, sizeof(cmd));
> +	ret = sscanf(buf, "%d", &datum);
> +	if ((ret != 1) || (datum > 1))
> +		return -EINVAL;
>  
> -	if (priv->mesh_tlv) {
> -		device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
> -		ret = 1;
> -	}
> +	*((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum);
> +	cmd.length = cpu_to_le16(sizeof(uint32_t));
> +	ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
> +				   CMD_TYPE_MESH_SET_BOOTFLAG);
> +	if (ret)
> +		return ret;
>  
> -	lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
> -	return ret;
> +	return strlen(buf);
>  }
>  
> -
>  /**
> - * lbs_mesh_stop - close the mshX interface
> - *
> - * @dev:	A pointer to &net_device structure
> - * returns:	0
> + * boottime_get - Get function for sysfs attribute boottime
> + * @dev: the &struct device
> + * @attr: device attributes
> + * @buf: buffer where data will be returned
>   */
> -static int lbs_mesh_stop(struct net_device *dev)
> +static ssize_t boottime_get(struct device *dev,
> +			    struct device_attribute *attr, char *buf)
>  {
> -	struct lbs_private *priv = dev->ml_priv;
> +	struct mrvl_mesh_defaults defs;
> +	int ret;
>  
> -	lbs_deb_enter(LBS_DEB_MESH);
> -	spin_lock_irq(&priv->driver_lock);
> +	ret = mesh_get_default_parameters(dev, &defs);
>  
> -	priv->mesh_open = 0;
> -	priv->mesh_connect_status = LBS_DISCONNECTED;
> -
> -	netif_stop_queue(dev);
> -	netif_carrier_off(dev);
> -
> -	spin_unlock_irq(&priv->driver_lock);
> -
> -	schedule_work(&priv->mcast_work);
> -
> -	lbs_deb_leave(LBS_DEB_MESH);
> -	return 0;
> -}
> -
> -/**
> - * lbs_mesh_dev_open - open the mshX interface
> - *
> - * @dev:	A pointer to &net_device structure
> - * returns:	0 or -EBUSY if monitor mode active
> - */
> -static int lbs_mesh_dev_open(struct net_device *dev)
> -{
> -	struct lbs_private *priv = dev->ml_priv;
> -	int ret = 0;
> -
> -	lbs_deb_enter(LBS_DEB_NET);
> -
> -	spin_lock_irq(&priv->driver_lock);
> -
> -	if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) {
> -		ret = -EBUSY;
> -		goto out;
> -	}
> -
> -	priv->mesh_open = 1;
> -	priv->mesh_connect_status = LBS_CONNECTED;
> -	netif_carrier_on(dev);
> -
> -	if (!priv->tx_pending_len)
> -		netif_wake_queue(dev);
> - out:
> -
> -	spin_unlock_irq(&priv->driver_lock);
> -	lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
> -	return ret;
> -}
> -
> -static const struct net_device_ops mesh_netdev_ops = {
> -	.ndo_open		= lbs_mesh_dev_open,
> -	.ndo_stop 		= lbs_mesh_stop,
> -	.ndo_start_xmit		= lbs_hard_start_xmit,
> -	.ndo_set_mac_address	= lbs_set_mac_address,
> -	.ndo_set_multicast_list = lbs_set_multicast_list,
> -};
> -
> -/**
> - * lbs_add_mesh - add mshX interface
> - *
> - * @priv:	A pointer to the &struct lbs_private structure
> - * returns:	0 if successful, -X otherwise
> - */
> -int lbs_add_mesh(struct lbs_private *priv)
> -{
> -	struct net_device *mesh_dev = NULL;
> -	int ret = 0;
> -
> -	lbs_deb_enter(LBS_DEB_MESH);
> -
> -	/* Allocate a virtual mesh device */
> -	mesh_dev = alloc_netdev(0, "msh%d", ether_setup);
> -	if (!mesh_dev) {
> -		lbs_deb_mesh("init mshX device failed\n");
> -		ret = -ENOMEM;
> -		goto done;
> -	}
> -	mesh_dev->ml_priv = priv;
> -	priv->mesh_dev = mesh_dev;
> -
> -	mesh_dev->netdev_ops = &mesh_netdev_ops;
> -	mesh_dev->ethtool_ops = &lbs_ethtool_ops;
> -	memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, ETH_ALEN);
> -
> -	SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
> -
> -	mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
> -	/* Register virtual mesh interface */
> -	ret = register_netdev(mesh_dev);
> -	if (ret) {
> -		pr_err("cannot register mshX virtual interface\n");
> -		goto err_free;
> -	}
> -
> -	ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
> -	if (ret)
> -		goto err_unregister;
> -
> -	lbs_persist_config_init(mesh_dev);
> -
> -	/* Everything successful */
> -	ret = 0;
> -	goto done;
> -
> -err_unregister:
> -	unregister_netdev(mesh_dev);
> -
> -err_free:
> -	free_netdev(mesh_dev);
> -
> -done:
> -	lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
> -	return ret;
> -}
> -
> -void lbs_remove_mesh(struct lbs_private *priv)
> -{
> -	struct net_device *mesh_dev;
> -
> -	mesh_dev = priv->mesh_dev;
> -	if (!mesh_dev)
> -		return;
> -
> -	lbs_deb_enter(LBS_DEB_MESH);
> -	netif_stop_queue(mesh_dev);
> -	netif_carrier_off(mesh_dev);
> -	sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
> -	lbs_persist_config_remove(mesh_dev);
> -	unregister_netdev(mesh_dev);
> -	priv->mesh_dev = NULL;
> -	free_netdev(mesh_dev);
> -	lbs_deb_leave(LBS_DEB_MESH);
> -}
> -
> -
> -
> -/***************************************************************************
> - * Sending and receiving
> - */
> -struct net_device *lbs_mesh_set_dev(struct lbs_private *priv,
> -	struct net_device *dev, struct rxpd *rxpd)
> -{
> -	if (priv->mesh_dev) {
> -		if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) {
> -			if (rxpd->rx_control & RxPD_MESH_FRAME)
> -				dev = priv->mesh_dev;
> -		} else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) {
> -			if (rxpd->u.bss.bss_num == MESH_IFACE_ID)
> -				dev = priv->mesh_dev;
> -		}
> -	}
> -	return dev;
> -}
> -
> -
> -void lbs_mesh_set_txpd(struct lbs_private *priv,
> -	struct net_device *dev, struct txpd *txpd)
> -{
> -	if (dev == priv->mesh_dev) {
> -		if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID)
> -			txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME);
> -		else if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
> -			txpd->u.bss.bss_num = MESH_IFACE_ID;
> -	}
> -}
> -
> -
> -/***************************************************************************
> - * Mesh command handling
> - */
> -
> -/**
> - * lbs_mesh_bt_add_del - Add or delete Mesh Blinding Table entries
> - *
> - * @priv:	A pointer to &struct lbs_private structure
> - * @add:	TRUE to add the entry, FALSE to delete it
> - * @addr1:	Destination address to blind or unblind
> - *
> - * returns:	0 on success, error on failure
> - */
> -int lbs_mesh_bt_add_del(struct lbs_private *priv, bool add, u8 *addr1)
> -{
> -	struct cmd_ds_bt_access cmd;
> -	int ret = 0;
> -
> -	lbs_deb_enter(LBS_DEB_CMD);
> -
> -	BUG_ON(addr1 == NULL);
> -
> -	memset(&cmd, 0, sizeof(cmd));
> -	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
> -	memcpy(cmd.addr1, addr1, ETH_ALEN);
> -	if (add) {
> -		cmd.action = cpu_to_le16(CMD_ACT_BT_ACCESS_ADD);
> -		lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr",
> -			addr1, ETH_ALEN);
> -	} else {
> -		cmd.action = cpu_to_le16(CMD_ACT_BT_ACCESS_DEL);
> -		lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr",
> -			addr1, ETH_ALEN);
> -	}
> -
> -	ret = lbs_cmd_with_response(priv, CMD_BT_ACCESS, &cmd);
> -
> -	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
> -	return ret;
> -}
> -
> -/**
> - * lbs_mesh_bt_reset - Reset/clear the mesh blinding table
> - *
> - * @priv:	A pointer to &struct lbs_private structure
> - *
> - * returns:	0 on success, error on failure
> - */
> -int lbs_mesh_bt_reset(struct lbs_private *priv)
> -{
> -	struct cmd_ds_bt_access cmd;
> -	int ret = 0;
> -
> -	lbs_deb_enter(LBS_DEB_CMD);
> -
> -	memset(&cmd, 0, sizeof(cmd));
> -	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
> -	cmd.action = cpu_to_le16(CMD_ACT_BT_ACCESS_RESET);
> -
> -	ret = lbs_cmd_with_response(priv, CMD_BT_ACCESS, &cmd);
> -
> -	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
> -	return ret;
> -}
> -
> -/**
> - * lbs_mesh_bt_get_inverted - Gets the inverted status of the mesh
> - * blinding table
> - *
> - * Normally the firmware "blinds" or ignores traffic from mesh nodes in the
> - * table, but an inverted table allows *only* traffic from nodes listed in
> - * the table.
> - *
> - * @priv:	A pointer to &struct lbs_private structure
> - * @inverted:  	On success, TRUE if the blinding table is inverted,
> - *		FALSE if it is not inverted
> - *
> - * returns:	0 on success, error on failure
> - */
> -int lbs_mesh_bt_get_inverted(struct lbs_private *priv, bool *inverted)
> -{
> -	struct cmd_ds_bt_access cmd;
> -	int ret = 0;
> -
> -	lbs_deb_enter(LBS_DEB_CMD);
> -
> -	BUG_ON(inverted == NULL);
> -
> -	memset(&cmd, 0, sizeof(cmd));
> -	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
> -	cmd.action = cpu_to_le16(CMD_ACT_BT_ACCESS_GET_INVERT);
> -
> -	ret = lbs_cmd_with_response(priv, CMD_BT_ACCESS, &cmd);
> -	if (ret == 0)
> -		*inverted = !!cmd.id;
> -
> -	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
> -	return ret;
> -}
> -
> -/**
> - * lbs_mesh_bt_set_inverted - Sets the inverted status of the mesh
> - * blinding table
> - *
> - * Normally the firmware "blinds" or ignores traffic from mesh nodes in the
> - * table, but an inverted table allows *only* traffic from nodes listed in
> - * the table.
> - *
> - * @priv:	A pointer to &struct lbs_private structure
> - * @inverted:	TRUE to invert the blinding table (only traffic from
> - *		listed nodes allowed), FALSE to return it
> - *		to normal state (listed nodes ignored)
> - *
> - * returns:	0 on success, error on failure
> - */
> -int lbs_mesh_bt_set_inverted(struct lbs_private *priv, bool inverted)
> -{
> -	struct cmd_ds_bt_access cmd;
> -	int ret = 0;
> -
> -	lbs_deb_enter(LBS_DEB_CMD);
> -
> -	memset(&cmd, 0, sizeof(cmd));
> -	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
> -	cmd.action = cpu_to_le16(CMD_ACT_BT_ACCESS_SET_INVERT);
> -	cmd.id = cpu_to_le32(!!inverted);
> -
> -	ret = lbs_cmd_with_response(priv, CMD_BT_ACCESS, &cmd);
> -
> -	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
> -	return ret;
> -}
> -
> -/**
> - * lbs_mesh_bt_get_entry - List an entry in the mesh blinding table
> - *
> - * @priv:	A pointer to &struct lbs_private structure
> - * @id:		The ID of the entry to list
> - * @addr1:	MAC address associated with the table entry
> - *
> - * returns: 	   	0 on success, error on failure
> - */
> -int lbs_mesh_bt_get_entry(struct lbs_private *priv, u32 id, u8 *addr1)
> -{
> -	struct cmd_ds_bt_access cmd;
> -	int ret = 0;
> -
> -	lbs_deb_enter(LBS_DEB_CMD);
> -
> -	BUG_ON(addr1 == NULL);
> -
> -	memset(&cmd, 0, sizeof(cmd));
> -	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
> -	cmd.action = cpu_to_le16(CMD_ACT_BT_ACCESS_SET_INVERT);
> -	cmd.id = cpu_to_le32(id);
> -
> -	ret = lbs_cmd_with_response(priv, CMD_BT_ACCESS, &cmd);
> -	if (ret == 0)
> -		memcpy(addr1, cmd.addr1, sizeof(cmd.addr1));
> -
> -	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
> -	return ret;
> -}
> -
> -/**
> - * lbs_cmd_fwt_access - Access the mesh forwarding table
> - *
> - * @priv:	A pointer to &struct lbs_private structure
> - * @cmd_action:	The forwarding table action to perform
> - * @cmd:	The pre-filled FWT_ACCESS command
> - *
> - * returns:	0 on success and 'cmd' will be filled with the
> - *		firmware's response
> - */
> -int lbs_cmd_fwt_access(struct lbs_private *priv, u16 cmd_action,
> -			struct cmd_ds_fwt_access *cmd)
> -{
> -	int ret;
> -
> -	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
> -
> -	cmd->hdr.command = cpu_to_le16(CMD_FWT_ACCESS);
> -	cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access));
> -	cmd->hdr.result = 0;
> -	cmd->action = cpu_to_le16(cmd_action);
> -
> -	ret = lbs_cmd_with_response(priv, CMD_FWT_ACCESS, cmd);
> -
> -	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
> -	return 0;
> -}
> -
> -int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
> -		    struct cmd_ds_mesh_access *cmd)
> -{
> -	int ret;
> -
> -	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
> -
> -	cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
> -	cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
> -	cmd->hdr.result = 0;
> -
> -	cmd->action = cpu_to_le16(cmd_action);
> -
> -	ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
> -
> -	lbs_deb_leave(LBS_DEB_CMD);
> -	return ret;
> -}
> -
> -static int __lbs_mesh_config_send(struct lbs_private *priv,
> -				  struct cmd_ds_mesh_config *cmd,
> -				  uint16_t action, uint16_t type)
> -{
> -	int ret;
> -	u16 command = CMD_MESH_CONFIG_OLD;
> -
> -	lbs_deb_enter(LBS_DEB_CMD);
> -
> -	/*
> -	 * Command id is 0xac for v10 FW along with mesh interface
> -	 * id in bits 14-13-12.
> -	 */
> -	if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
> -		command = CMD_MESH_CONFIG |
> -			  (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET);
> -
> -	cmd->hdr.command = cpu_to_le16(command);
> -	cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_config));
> -	cmd->hdr.result = 0;
> -
> -	cmd->type = cpu_to_le16(type);
> -	cmd->action = cpu_to_le16(action);
> -
> -	ret = lbs_cmd_with_response(priv, command, cmd);
> -
> -	lbs_deb_leave(LBS_DEB_CMD);
> -	return ret;
> -}
> -
> -int lbs_mesh_config_send(struct lbs_private *priv,
> -			 struct cmd_ds_mesh_config *cmd,
> -			 uint16_t action, uint16_t type)
> -{
> -	int ret;
> -
> -	if (!(priv->fwcapinfo & FW_CAPINFO_PERSISTENT_CONFIG))
> -		return -EOPNOTSUPP;
> -
> -	ret = __lbs_mesh_config_send(priv, cmd, action, type);
> -	return ret;
> -}
> -
> -/* This function is the CMD_MESH_CONFIG legacy function.  It only handles the
> - * START and STOP actions.  The extended actions supported by CMD_MESH_CONFIG
> - * are all handled by preparing a struct cmd_ds_mesh_config and passing it to
> - * lbs_mesh_config_send.
> - */
> -int lbs_mesh_config(struct lbs_private *priv, uint16_t action, uint16_t chan)
> -{
> -	struct cmd_ds_mesh_config cmd;
> -	struct mrvl_meshie *ie;
> -	DECLARE_SSID_BUF(ssid);
> -
> -	memset(&cmd, 0, sizeof(cmd));
> -	cmd.channel = cpu_to_le16(chan);
> -	ie = (struct mrvl_meshie *)cmd.data;
> -
> -	switch (action) {
> -	case CMD_ACT_MESH_CONFIG_START:
> -		ie->id = WLAN_EID_GENERIC;
> -		ie->val.oui[0] = 0x00;
> -		ie->val.oui[1] = 0x50;
> -		ie->val.oui[2] = 0x43;
> -		ie->val.type = MARVELL_MESH_IE_TYPE;
> -		ie->val.subtype = MARVELL_MESH_IE_SUBTYPE;
> -		ie->val.version = MARVELL_MESH_IE_VERSION;
> -		ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP;
> -		ie->val.active_metric_id = MARVELL_MESH_METRIC_ID;
> -		ie->val.mesh_capability = MARVELL_MESH_CAPABILITY;
> -		ie->val.mesh_id_len = priv->mesh_ssid_len;
> -		memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len);
> -		ie->len = sizeof(struct mrvl_meshie_val) -
> -			IEEE80211_MAX_SSID_LEN + priv->mesh_ssid_len;
> -		cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val));
> -		break;
> -	case CMD_ACT_MESH_CONFIG_STOP:
> -		break;
> -	default:
> -		return -1;
> -	}
> -	lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n",
> -		    action, priv->mesh_tlv, chan,
> -		    print_ssid(ssid, priv->mesh_ssid, priv->mesh_ssid_len));
> -
> -	return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
> -}
> -
> -
> -
> -/***************************************************************************
> - * Persistent configuration support
> - */
> -
> -static int mesh_get_default_parameters(struct device *dev,
> -				       struct mrvl_mesh_defaults *defs)
> -{
> -	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
> -	struct cmd_ds_mesh_config cmd;
> -	int ret;
> -
> -	memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
> -	ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_GET,
> -				   CMD_TYPE_MESH_GET_DEFAULTS);
> -
> -	if (ret)
> -		return -EOPNOTSUPP;
> -
> -	memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults));
> -
> -	return 0;
> -}
> -
> -/**
> - * bootflag_get - Get function for sysfs attribute bootflag
> - * @dev: the &struct device
> - * @attr: device attributes
> - * @buf: buffer where data will be returned
> - */
> -static ssize_t bootflag_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, "%d\n", le32_to_cpu(defs.bootflag));
> -}
> -
> -/**
> - * bootflag_set - Set function for sysfs attribute bootflag
> - * @dev: the &struct device
> - * @attr: device attributes
> - * @buf: buffer that contains new attribute value
> - * @count: size of buffer
> - */
> -static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr,
> -			    const char *buf, size_t count)
> -{
> -	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
> -	struct cmd_ds_mesh_config cmd;
> -	uint32_t datum;
> -	int ret;
> -
> -	memset(&cmd, 0, sizeof(cmd));
> -	ret = sscanf(buf, "%d", &datum);
> -	if ((ret != 1) || (datum > 1))
> -		return -EINVAL;
> -
> -	*((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum);
> -	cmd.length = cpu_to_le16(sizeof(uint32_t));
> -	ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
> -				   CMD_TYPE_MESH_SET_BOOTFLAG);
> -	if (ret)
> -		return ret;
> -
> -	return strlen(buf);
> -}
> -
> -/**
> - * boottime_get - Get function for sysfs attribute boottime
> - * @dev: the &struct device
> - * @attr: device attributes
> - * @buf: buffer where data will be returned
> - */
> -static ssize_t boottime_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;
> +	if (ret)
> +		return ret;
>  
>  	return snprintf(buf, 12, "%d\n", defs.boottime);
>  }
> @@ -1103,173 +647,440 @@ static ssize_t protocol_id_set(struct device *dev,
>  static ssize_t metric_id_get(struct device *dev,
>  		struct device_attribute *attr, char *buf)
>  {
> -	struct mrvl_mesh_defaults defs;
> -	int ret;
> +	struct mrvl_mesh_defaults defs;
> +	int ret;
> +
> +	ret = mesh_get_default_parameters(dev, &defs);
> +
> +	if (ret)
> +		return ret;
> +
> +	return snprintf(buf, 5, "%d\n", defs.meshie.val.active_metric_id);
> +}
> +
> +/**
> + * metric_id_set - Set function for sysfs attribute metric_id
> + * @dev: the &struct device
> + * @attr: device attributes
> + * @buf: buffer that contains new attribute value
> + * @count: size of buffer
> + */
> +static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr,
> +			     const char *buf, size_t count)
> +{
> +	struct cmd_ds_mesh_config cmd;
> +	struct mrvl_mesh_defaults defs;
> +	struct mrvl_meshie *ie;
> +	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
> +	uint32_t datum;
> +	int ret;
> +
> +	memset(&cmd, 0, sizeof(cmd));
> +	ret = sscanf(buf, "%d", &datum);
> +	if ((ret != 1) || (datum > 255))
> +		return -EINVAL;
> +
> +	/* fetch all other Information Element parameters */
> +	ret = mesh_get_default_parameters(dev, &defs);
> +
> +	cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
> +
> +	/* transfer IE elements */
> +	ie = (struct mrvl_meshie *) &cmd.data[0];
> +	memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
> +	/* update metric id */
> +	ie->val.active_metric_id = datum;
> +
> +	ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
> +				   CMD_TYPE_MESH_SET_MESH_IE);
> +	if (ret)
> +		return ret;
> +
> +	return strlen(buf);
> +}
> +
> +/**
> + * capability_get - Get function for sysfs attribute capability
> + * @dev: the &struct device
> + * @attr: device attributes
> + * @buf: buffer where data will be returned
> + */
> +static ssize_t capability_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, 5, "%d\n", defs.meshie.val.mesh_capability);
> +}
> +
> +/**
> + * capability_set - Set function for sysfs attribute capability
> + * @dev: the &struct device
> + * @attr: device attributes
> + * @buf: buffer that contains new attribute value
> + * @count: size of buffer
> + */
> +static ssize_t capability_set(struct device *dev, struct device_attribute *attr,
> +			      const char *buf, size_t count)
> +{
> +	struct cmd_ds_mesh_config cmd;
> +	struct mrvl_mesh_defaults defs;
> +	struct mrvl_meshie *ie;
> +	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
> +	uint32_t datum;
> +	int ret;
> +
> +	memset(&cmd, 0, sizeof(cmd));
> +	ret = sscanf(buf, "%d", &datum);
> +	if ((ret != 1) || (datum > 255))
> +		return -EINVAL;
> +
> +	/* fetch all other Information Element parameters */
> +	ret = mesh_get_default_parameters(dev, &defs);
> +
> +	cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
> +
> +	/* transfer IE elements */
> +	ie = (struct mrvl_meshie *) &cmd.data[0];
> +	memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
> +	/* update value */
> +	ie->val.mesh_capability = datum;
> +
> +	ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
> +				   CMD_TYPE_MESH_SET_MESH_IE);
> +	if (ret)
> +		return ret;
> +
> +	return strlen(buf);
> +}
> +
> +
> +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);
> +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
> +};
> +
> +static const struct attribute_group boot_opts_group = {
> +	.name = "boot_options",
> +	.attrs = boot_opts_attrs,
> +};
> +
> +static struct attribute *mesh_ie_attrs[] = {
> +	&dev_attr_mesh_id.attr,
> +	&dev_attr_protocol_id.attr,
> +	&dev_attr_metric_id.attr,
> +	&dev_attr_capability.attr,
> +	NULL
> +};
> +
> +static const struct attribute_group mesh_ie_group = {
> +	.name = "mesh_ie",
> +	.attrs = mesh_ie_attrs,
> +};
> +
> +static void lbs_persist_config_init(struct net_device *dev)
> +{
> +	int ret;
> +	ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group);
> +	ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group);
> +}
> +
> +static void lbs_persist_config_remove(struct net_device *dev)
> +{
> +	sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group);
> +	sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group);
> +}
> +
> +
> +/***************************************************************************
> + * Initializing and starting, stopping mesh
> + */
> +
> +/*
> + * Check mesh FW version and appropriately send the mesh start
> + * command
> + */
> +int lbs_init_mesh(struct lbs_private *priv)
> +{
> +	struct net_device *dev = priv->dev;
> +	int ret = 0;
> +
> +	lbs_deb_enter(LBS_DEB_MESH);
> +
> +	priv->mesh_connect_status = LBS_DISCONNECTED;
> +
> +	/* Determine mesh_fw_ver from fwrelease and fwcapinfo */
> +	/* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */
> +	/* 5.110.22 have mesh command with 0xa3 command id */
> +	/* 10.0.0.p0 FW brings in mesh config command with different id */
> +	/* Check FW version MSB and initialize mesh_fw_ver */
> +	if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) {
> +		/* Enable mesh, if supported, and work out which TLV it uses.
> +		   0x100 + 291 is an unofficial value used in 5.110.20.pXX
> +		   0x100 + 37 is the official value used in 5.110.21.pXX
> +		   but we check them in that order because 20.pXX doesn't
> +		   give an error -- it just silently fails. */
> +
> +		/* 5.110.20.pXX firmware will fail the command if the channel
> +		   doesn't match the existing channel. But only if the TLV
> +		   is correct. If the channel is wrong, _BOTH_ versions will
> +		   give an error to 0x100+291, and allow 0x100+37 to succeed.
> +		   It's just that 5.110.20.pXX will not have done anything
> +		   useful */
> +
> +		priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID;
> +		if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
> +				    priv->channel)) {
> +			priv->mesh_tlv = TLV_TYPE_MESH_ID;
> +			if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
> +					    priv->channel))
> +				priv->mesh_tlv = 0;
> +		}
> +	} else
> +	if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) &&
> +		(priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) {
> +		/* 10.0.0.pXX new firmwares should succeed with TLV
> +		 * 0x100+37; Do not invoke command with old TLV.
> +		 */
> +		priv->mesh_tlv = TLV_TYPE_MESH_ID;
> +		if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
> +				    priv->channel))
> +			priv->mesh_tlv = 0;
> +	}
> +
> +
> +	if (priv->mesh_tlv) {
> +		sprintf(priv->mesh_ssid, "mesh");
> +		priv->mesh_ssid_len = 4;
> +
> +		lbs_add_mesh(priv);
> +
> +		if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))
> +			netdev_err(dev, "cannot register lbs_mesh attribute\n");
> +
> +		ret = 1;
> +	}
> +
> +	lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
> +	return ret;
> +}
> +
> +
> +int lbs_deinit_mesh(struct lbs_private *priv)
> +{
> +	struct net_device *dev = priv->dev;
> +	int ret = 0;
>  
> -	ret = mesh_get_default_parameters(dev, &defs);
> +	lbs_deb_enter(LBS_DEB_MESH);
>  
> -	if (ret)
> -		return ret;
> +	if (priv->mesh_tlv) {
> +		device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
> +		ret = 1;
> +	}
>  
> -	return snprintf(buf, 5, "%d\n", defs.meshie.val.active_metric_id);
> +	lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
> +	return ret;
>  }
>  
> +
>  /**
> - * metric_id_set - Set function for sysfs attribute metric_id
> - * @dev: the &struct device
> - * @attr: device attributes
> - * @buf: buffer that contains new attribute value
> - * @count: size of buffer
> + * lbs_mesh_stop - close the mshX interface
> + *
> + * @dev:	A pointer to &net_device structure
> + * returns:	0
>   */
> -static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr,
> -			     const char *buf, size_t count)
> +static int lbs_mesh_stop(struct net_device *dev)
>  {
> -	struct cmd_ds_mesh_config cmd;
> -	struct mrvl_mesh_defaults defs;
> -	struct mrvl_meshie *ie;
> -	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
> -	uint32_t datum;
> -	int ret;
> +	struct lbs_private *priv = dev->ml_priv;
>  
> -	memset(&cmd, 0, sizeof(cmd));
> -	ret = sscanf(buf, "%d", &datum);
> -	if ((ret != 1) || (datum > 255))
> -		return -EINVAL;
> +	lbs_deb_enter(LBS_DEB_MESH);
> +	spin_lock_irq(&priv->driver_lock);
>  
> -	/* fetch all other Information Element parameters */
> -	ret = mesh_get_default_parameters(dev, &defs);
> +	priv->mesh_open = 0;
> +	priv->mesh_connect_status = LBS_DISCONNECTED;
>  
> -	cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
> +	netif_stop_queue(dev);
> +	netif_carrier_off(dev);
>  
> -	/* transfer IE elements */
> -	ie = (struct mrvl_meshie *) &cmd.data[0];
> -	memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
> -	/* update metric id */
> -	ie->val.active_metric_id = datum;
> +	spin_unlock_irq(&priv->driver_lock);
>  
> -	ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
> -				   CMD_TYPE_MESH_SET_MESH_IE);
> -	if (ret)
> -		return ret;
> +	schedule_work(&priv->mcast_work);
>  
> -	return strlen(buf);
> +	lbs_deb_leave(LBS_DEB_MESH);
> +	return 0;
>  }
>  
>  /**
> - * capability_get - Get function for sysfs attribute capability
> - * @dev: the &struct device
> - * @attr: device attributes
> - * @buf: buffer where data will be returned
> + * lbs_mesh_dev_open - open the mshX interface
> + *
> + * @dev:	A pointer to &net_device structure
> + * returns:	0 or -EBUSY if monitor mode active
>   */
> -static ssize_t capability_get(struct device *dev,
> -		struct device_attribute *attr, char *buf)
> +static int lbs_mesh_dev_open(struct net_device *dev)
>  {
> -	struct mrvl_mesh_defaults defs;
> -	int ret;
> +	struct lbs_private *priv = dev->ml_priv;
> +	int ret = 0;
>  
> -	ret = mesh_get_default_parameters(dev, &defs);
> +	lbs_deb_enter(LBS_DEB_NET);
>  
> -	if (ret)
> -		return ret;
> +	spin_lock_irq(&priv->driver_lock);
>  
> -	return snprintf(buf, 5, "%d\n", defs.meshie.val.mesh_capability);
> +	if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) {
> +		ret = -EBUSY;
> +		goto out;
> +	}
> +
> +	priv->mesh_open = 1;
> +	priv->mesh_connect_status = LBS_CONNECTED;
> +	netif_carrier_on(dev);
> +
> +	if (!priv->tx_pending_len)
> +		netif_wake_queue(dev);
> + out:
> +
> +	spin_unlock_irq(&priv->driver_lock);
> +	lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
> +	return ret;
>  }
>  
> +static const struct net_device_ops mesh_netdev_ops = {
> +	.ndo_open		= lbs_mesh_dev_open,
> +	.ndo_stop 		= lbs_mesh_stop,
> +	.ndo_start_xmit		= lbs_hard_start_xmit,
> +	.ndo_set_mac_address	= lbs_set_mac_address,
> +	.ndo_set_multicast_list = lbs_set_multicast_list,
> +};
> +
>  /**
> - * capability_set - Set function for sysfs attribute capability
> - * @dev: the &struct device
> - * @attr: device attributes
> - * @buf: buffer that contains new attribute value
> - * @count: size of buffer
> + * lbs_add_mesh - add mshX interface
> + *
> + * @priv:	A pointer to the &struct lbs_private structure
> + * returns:	0 if successful, -X otherwise
>   */
> -static ssize_t capability_set(struct device *dev, struct device_attribute *attr,
> -			      const char *buf, size_t count)
> +static int lbs_add_mesh(struct lbs_private *priv)
>  {
> -	struct cmd_ds_mesh_config cmd;
> -	struct mrvl_mesh_defaults defs;
> -	struct mrvl_meshie *ie;
> -	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
> -	uint32_t datum;
> -	int ret;
> +	struct net_device *mesh_dev = NULL;
> +	int ret = 0;
>  
> -	memset(&cmd, 0, sizeof(cmd));
> -	ret = sscanf(buf, "%d", &datum);
> -	if ((ret != 1) || (datum > 255))
> -		return -EINVAL;
> +	lbs_deb_enter(LBS_DEB_MESH);
>  
> -	/* fetch all other Information Element parameters */
> -	ret = mesh_get_default_parameters(dev, &defs);
> +	/* Allocate a virtual mesh device */
> +	mesh_dev = alloc_netdev(0, "msh%d", ether_setup);
> +	if (!mesh_dev) {
> +		lbs_deb_mesh("init mshX device failed\n");
> +		ret = -ENOMEM;
> +		goto done;
> +	}
> +	mesh_dev->ml_priv = priv;
> +	priv->mesh_dev = mesh_dev;
>  
> -	cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
> +	mesh_dev->netdev_ops = &mesh_netdev_ops;
> +	mesh_dev->ethtool_ops = &lbs_ethtool_ops;
> +	memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, ETH_ALEN);
>  
> -	/* transfer IE elements */
> -	ie = (struct mrvl_meshie *) &cmd.data[0];
> -	memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
> -	/* update value */
> -	ie->val.mesh_capability = datum;
> +	SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
>  
> -	ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
> -				   CMD_TYPE_MESH_SET_MESH_IE);
> +	mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
> +	/* Register virtual mesh interface */
> +	ret = register_netdev(mesh_dev);
> +	if (ret) {
> +		pr_err("cannot register mshX virtual interface\n");
> +		goto err_free;
> +	}
> +
> +	ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
>  	if (ret)
> -		return ret;
> +		goto err_unregister;
>  
> -	return strlen(buf);
> -}
> +	lbs_persist_config_init(mesh_dev);
>  
> +	/* Everything successful */
> +	ret = 0;
> +	goto done;
>  
> -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);
> -static DEVICE_ATTR(capability, 0644, capability_get, capability_set);
> +err_unregister:
> +	unregister_netdev(mesh_dev);
>  
> -static struct attribute *boot_opts_attrs[] = {
> -	&dev_attr_bootflag.attr,
> -	&dev_attr_boottime.attr,
> -	&dev_attr_channel.attr,
> -	NULL
> -};
> +err_free:
> +	free_netdev(mesh_dev);
>  
> -static struct attribute_group boot_opts_group = {
> -	.name = "boot_options",
> -	.attrs = boot_opts_attrs,
> -};
> +done:
> +	lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
> +	return ret;
> +}
>  
> -static struct attribute *mesh_ie_attrs[] = {
> -	&dev_attr_mesh_id.attr,
> -	&dev_attr_protocol_id.attr,
> -	&dev_attr_metric_id.attr,
> -	&dev_attr_capability.attr,
> -	NULL
> -};
> +void lbs_remove_mesh(struct lbs_private *priv)
> +{
> +	struct net_device *mesh_dev;
>  
> -static struct attribute_group mesh_ie_group = {
> -	.name = "mesh_ie",
> -	.attrs = mesh_ie_attrs,
> -};
> +	mesh_dev = priv->mesh_dev;
> +	if (!mesh_dev)
> +		return;
>  
> -void lbs_persist_config_init(struct net_device *dev)
> -{
> -	int ret;
> -	ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group);
> -	ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group);
> +	lbs_deb_enter(LBS_DEB_MESH);
> +	netif_stop_queue(mesh_dev);
> +	netif_carrier_off(mesh_dev);
> +	sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
> +	lbs_persist_config_remove(mesh_dev);
> +	unregister_netdev(mesh_dev);
> +	priv->mesh_dev = NULL;
> +	free_netdev(mesh_dev);
> +	lbs_deb_leave(LBS_DEB_MESH);
>  }
>  
> -void lbs_persist_config_remove(struct net_device *dev)
> +
> +/***************************************************************************
> + * Sending and receiving
> + */
> +struct net_device *lbs_mesh_set_dev(struct lbs_private *priv,
> +	struct net_device *dev, struct rxpd *rxpd)
>  {
> -	sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group);
> -	sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group);
> +	if (priv->mesh_dev) {
> +		if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) {
> +			if (rxpd->rx_control & RxPD_MESH_FRAME)
> +				dev = priv->mesh_dev;
> +		} else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) {
> +			if (rxpd->u.bss.bss_num == MESH_IFACE_ID)
> +				dev = priv->mesh_dev;
> +		}
> +	}
> +	return dev;
>  }
>  
> 
> +void lbs_mesh_set_txpd(struct lbs_private *priv,
> +	struct net_device *dev, struct txpd *txpd)
> +{
> +	if (dev == priv->mesh_dev) {
> +		if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID)
> +			txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME);
> +		else if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
> +			txpd->u.bss.bss_num = MESH_IFACE_ID;
> +	}
> +}
> +
>  
>  /***************************************************************************
>   * Ethtool related
>   */
>  
> -static const char *mesh_stat_strings[] = {
> +static const char * const mesh_stat_strings[] = {
>  			"drop_duplicate_bcast",
>  			"drop_ttl_zero",
>  			"drop_no_fwd_route",
> diff --git a/drivers/net/wireless/libertas/mesh.h b/drivers/net/wireless/libertas/mesh.h
> index ee95c73..7d3dd81 100644
> --- a/drivers/net/wireless/libertas/mesh.h
> +++ b/drivers/net/wireless/libertas/mesh.h
> @@ -31,7 +31,6 @@ struct lbs_private;
>  int lbs_init_mesh(struct lbs_private *priv);
>  int lbs_deinit_mesh(struct lbs_private *priv);
>  
> -int lbs_add_mesh(struct lbs_private *priv);
>  void lbs_remove_mesh(struct lbs_private *priv);
>  
> 
> @@ -52,29 +51,6 @@ struct cmd_ds_command;
>  struct cmd_ds_mesh_access;
>  struct cmd_ds_mesh_config;
>  
> -int lbs_mesh_bt_add_del(struct lbs_private *priv, bool add, u8 *addr1);
> -int lbs_mesh_bt_reset(struct lbs_private *priv);
> -int lbs_mesh_bt_get_inverted(struct lbs_private *priv, bool *inverted);
> -int lbs_mesh_bt_set_inverted(struct lbs_private *priv, bool inverted);
> -int lbs_mesh_bt_get_entry(struct lbs_private *priv, u32 id, u8 *addr1);
> -
> -int lbs_cmd_fwt_access(struct lbs_private *priv, u16 cmd_action,
> -			struct cmd_ds_fwt_access *cmd);
> -
> -int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
> -		    struct cmd_ds_mesh_access *cmd);
> -int lbs_mesh_config_send(struct lbs_private *priv,
> -			 struct cmd_ds_mesh_config *cmd,
> -			 uint16_t action, uint16_t type);
> -int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan);
> -
> -
> -
> -/* Persistent configuration */
> -
> -void lbs_persist_config_init(struct net_device *net);
> -void lbs_persist_config_remove(struct net_device *net);
> -
>  
>  /* Ethtool statistics */
>  


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