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Commit e0e42da3 authored by Holger Schurig's avatar Holger Schurig Committed by John W. Linville
Browse files

libertas: moveing mesh-related functions into mesh.c 



This moves mesh initialization, start/stop and rx/tx handling from
into mesh.c.

Signed-off-by: default avatarHolger Schurig <holgerschurig@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 5e8e8b57

drivers/net/wireless/libertas/decl.h

+3 −0
Original line number Diff line number Diff line
@@ -34,6 +34,9 @@ int lbs_start_card(struct lbs_private *priv); 
void lbs_stop_card(struct lbs_private *priv);

void lbs_host_to_card_done(struct lbs_private *priv);



int lbs_set_mac_address(struct net_device *dev, void *addr);

void lbs_set_multicast_list(struct net_device *dev);



int lbs_suspend(struct lbs_private *priv);

void lbs_resume(struct lbs_private *priv);

drivers/net/wireless/libertas/main.c

+15 −342
Original line number Diff line number Diff line
@@ -94,107 +94,9 @@ u8 lbs_data_rate_to_fw_index(u32 rate) 
	return 0;

}



/**

 * Attributes exported through sysfs

 */



/**

 * @brief Get function for sysfs attribute anycast_mask

 */

static ssize_t lbs_anycast_get(struct device *dev,

		struct device_attribute *attr, char * buf)

{

	struct lbs_private *priv = to_net_dev(dev)->ml_priv;

	struct cmd_ds_mesh_access mesh_access;

	int ret;



	memset(&mesh_access, 0, sizeof(mesh_access));



	ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access);

	if (ret)

		return ret;



	return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0]));

}



/**

 * @brief Set function for sysfs attribute anycast_mask

 */

static ssize_t lbs_anycast_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_access mesh_access;

	uint32_t datum;

	int ret;



	memset(&mesh_access, 0, sizeof(mesh_access));

	sscanf(buf, "%x", &datum);

	mesh_access.data[0] = cpu_to_le32(datum);



	ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access);

	if (ret)

		return ret;



	return strlen(buf);

}



/**

 * @brief Get function for sysfs attribute prb_rsp_limit

 */

static ssize_t lbs_prb_rsp_limit_get(struct device *dev,

		struct device_attribute *attr, char *buf)

{

	struct lbs_private *priv = to_net_dev(dev)->ml_priv;

	struct cmd_ds_mesh_access mesh_access;

	int ret;

	u32 retry_limit;



	memset(&mesh_access, 0, sizeof(mesh_access));

	mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET);



	ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,

			&mesh_access);

	if (ret)

		return ret;



	retry_limit = le32_to_cpu(mesh_access.data[1]);

	return snprintf(buf, 10, "%d\n", retry_limit);

}



/**

 * @brief Set function for sysfs attribute prb_rsp_limit

 */

static ssize_t lbs_prb_rsp_limit_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_access mesh_access;

	int ret;

	unsigned long retry_limit;



	memset(&mesh_access, 0, sizeof(mesh_access));

	mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET);



	if (!strict_strtoul(buf, 10, &retry_limit))

		return -ENOTSUPP;

	if (retry_limit > 15)

		return -ENOTSUPP;



	mesh_access.data[1] = cpu_to_le32(retry_limit);



	ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,

			&mesh_access);

	if (ret)

		return ret;



	return strlen(buf);

}



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);





/**
@@ -260,74 +162,7 @@ static ssize_t lbs_rtap_set(struct device *dev, 
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)->ml_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)->ml_priv;

	int enable;

	int ret, action = CMD_ACT_MESH_CONFIG_STOP;



	sscanf(buf, "%x", &enable);

	enable = !!enable;

	if (enable == !!priv->mesh_dev)

		return count;

	if (enable)

		action = CMD_ACT_MESH_CONFIG_START;

	ret = lbs_mesh_config(priv, action, priv->channel);

	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

 * through sysfs (/sys/class/net/mshX/anycast_mask)

 */

static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set);



/**

 * prb_rsp_limit attribute to be exported per mshX interface

 * through sysfs (/sys/class/net/mshX/prb_rsp_limit)

 */

static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get,

		lbs_prb_rsp_limit_set);



static struct attribute *lbs_mesh_sysfs_entries[] = {

	&dev_attr_anycast_mask.attr,

	&dev_attr_prb_rsp_limit.attr,

	NULL,

};



static struct attribute_group lbs_mesh_attr_group = {

	.attrs = lbs_mesh_sysfs_entries,

};



/**

 *  @brief This function opens the ethX or mshX interface

 *  @brief This function opens the ethX interface

 *

 *  @param dev     A pointer to net_device structure

 *  @return 	   0 or -EBUSY if monitor mode active
@@ -346,18 +181,12 @@ static int lbs_dev_open(struct net_device *dev) 
		goto out;

	}



	if (dev == priv->mesh_dev) {

		priv->mesh_open = 1;

		priv->mesh_connect_status = LBS_CONNECTED;

		netif_carrier_on(dev);

	} else {

	priv->infra_open = 1;



	if (priv->connect_status == LBS_CONNECTED)

		netif_carrier_on(dev);

	else

		netif_carrier_off(dev);

	}



	if (!priv->tx_pending_len)

		netif_wake_queue(dev);
@@ -368,33 +197,6 @@ static int lbs_dev_open(struct net_device *dev) 
	return ret;

}



/**

 *  @brief This function closes the mshX interface

 *

 *  @param dev     A pointer to net_device structure

 *  @return 	   0

 */

static int lbs_mesh_stop(struct net_device *dev)

{

	struct lbs_private *priv = dev->ml_priv;



	lbs_deb_enter(LBS_DEB_MESH);

	spin_lock_irq(&priv->driver_lock);



	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;

}



/**

 *  @brief This function closes the ethX interface

 *
@@ -466,7 +268,7 @@ void lbs_host_to_card_done(struct lbs_private *priv) 
}

EXPORT_SYMBOL_GPL(lbs_host_to_card_done);



static int lbs_set_mac_address(struct net_device *dev, void *addr)

int lbs_set_mac_address(struct net_device *dev, void *addr)

{

	int ret = 0;

	struct lbs_private *priv = dev->ml_priv;
@@ -600,7 +402,7 @@ static void lbs_set_mcast_worker(struct work_struct *work) 
	lbs_deb_leave(LBS_DEB_NET);

}



static void lbs_set_multicast_list(struct net_device *dev)

void lbs_set_multicast_list(struct net_device *dev)

{

	struct lbs_private *priv = dev->ml_priv;
@@ -1177,7 +979,6 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev) 




	priv->card = card;

	priv->mesh_open = 0;

	priv->infra_open = 0;
@@ -1198,6 +999,7 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev) 
	INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker);

	INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker);



	priv->mesh_open = 0;

	sprintf(priv->mesh_ssid, "mesh");

	priv->mesh_ssid_len = 4;
@@ -1292,50 +1094,12 @@ int lbs_start_card(struct lbs_private *priv) 


	lbs_update_channel(priv);



	/* Check mesh FW version and appropriately send the mesh start

	 * command

	 */

	if (priv->mesh_fw_ver == MESH_FW_OLD) {

		/* 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 (priv->mesh_fw_ver == MESH_FW_NEW) {

		/* 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) {

		lbs_add_mesh(priv);



		if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))

			lbs_pr_err("cannot register lbs_mesh attribute\n");



		/* While rtap isn't related to mesh, only mesh-enabled

	/*

	 * While rtap isn't related to mesh, only mesh-enabled

	 * firmware implements the rtap functionality via

	 * CMD_802_11_MONITOR_MODE.

	 */

	if (lbs_init_mesh(priv)) {

		if (device_create_file(&dev->dev, &dev_attr_lbs_rtap))

			lbs_pr_err("cannot register lbs_rtap attribute\n");

	}
@@ -1369,10 +1133,8 @@ void lbs_stop_card(struct lbs_private *priv) 
	netif_carrier_off(dev);



	lbs_debugfs_remove_one(priv);

	if (priv->mesh_tlv) {

		device_remove_file(&dev->dev, &dev_attr_lbs_mesh);

	if (lbs_deinit_mesh(priv))

		device_remove_file(&dev->dev, &dev_attr_lbs_rtap);

	}



	/* Delete the timeout of the currently processing command */

	del_timer_sync(&priv->command_timer);
@@ -1405,95 +1167,6 @@ void lbs_stop_card(struct lbs_private *priv) 
EXPORT_SYMBOL_GPL(lbs_stop_card);





static const struct net_device_ops mesh_netdev_ops = {

	.ndo_open		= lbs_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,

};



/**

 * @brief This function adds mshX interface

 *

 *  @param priv    A pointer to the struct lbs_private structure

 *  @return 	   0 if successful, -X otherwise

 */

static 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 */

	if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) {

		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,

			sizeof(priv->dev->dev_addr));



	SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);



#ifdef	WIRELESS_EXT

	mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def;

#endif

	mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;

	/* Register virtual mesh interface */

	ret = register_netdev(mesh_dev);

	if (ret) {

		lbs_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;

}



static 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);

}



void lbs_queue_event(struct lbs_private *priv, u32 event)

{

	unsigned long flags;

drivers/net/wireless/libertas/mesh.c

+435 −6
Original line number Diff line number Diff line
@@ -6,15 +6,444 @@ 
#include <linux/kthread.h>

#include <linux/kfifo.h>



#include "host.h"

#include "mesh.h"

#include "decl.h"

#include "dev.h"

#include "wext.h"

#include "debugfs.h"

#include "scan.h"

#include "assoc.h"

#include "cmd.h"





/***************************************************************************

 * Mesh sysfs support

 */



/**

 * Attributes exported through sysfs

 */



/**

 * @brief Get function for sysfs attribute anycast_mask

 */

static ssize_t lbs_anycast_get(struct device *dev,

		struct device_attribute *attr, char * buf)

{

	struct lbs_private *priv = to_net_dev(dev)->ml_priv;

	struct cmd_ds_mesh_access mesh_access;

	int ret;



	memset(&mesh_access, 0, sizeof(mesh_access));



	ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access);

	if (ret)

		return ret;



	return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0]));

}



/**

 * @brief Set function for sysfs attribute anycast_mask

 */

static ssize_t lbs_anycast_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_access mesh_access;

	uint32_t datum;

	int ret;



	memset(&mesh_access, 0, sizeof(mesh_access));

	sscanf(buf, "%x", &datum);

	mesh_access.data[0] = cpu_to_le32(datum);



	ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access);

	if (ret)

		return ret;



	return strlen(buf);

}



/**

 * @brief Get function for sysfs attribute prb_rsp_limit

 */

static ssize_t lbs_prb_rsp_limit_get(struct device *dev,

		struct device_attribute *attr, char *buf)

{

	struct lbs_private *priv = to_net_dev(dev)->ml_priv;

	struct cmd_ds_mesh_access mesh_access;

	int ret;

	u32 retry_limit;



	memset(&mesh_access, 0, sizeof(mesh_access));

	mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET);



	ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,

			&mesh_access);

	if (ret)

		return ret;



	retry_limit = le32_to_cpu(mesh_access.data[1]);

	return snprintf(buf, 10, "%d\n", retry_limit);

}



/**

 * @brief Set function for sysfs attribute prb_rsp_limit

 */

static ssize_t lbs_prb_rsp_limit_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_access mesh_access;

	int ret;

	unsigned long retry_limit;



	memset(&mesh_access, 0, sizeof(mesh_access));

	mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET);



	if (!strict_strtoul(buf, 10, &retry_limit))

		return -ENOTSUPP;

	if (retry_limit > 15)

		return -ENOTSUPP;



	mesh_access.data[1] = cpu_to_le32(retry_limit);



	ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,

			&mesh_access);

	if (ret)

		return ret;



	return strlen(buf);

}



/**

 * 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)->ml_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)->ml_priv;

	int enable;

	int ret, action = CMD_ACT_MESH_CONFIG_STOP;



	sscanf(buf, "%x", &enable);

	enable = !!enable;

	if (enable == !!priv->mesh_dev)

		return count;

	if (enable)

		action = CMD_ACT_MESH_CONFIG_START;

	ret = lbs_mesh_config(priv, action, priv->channel);

	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

 * through sysfs (/sys/class/net/mshX/anycast_mask)

 */

static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set);



/**

 * prb_rsp_limit attribute to be exported per mshX interface

 * through sysfs (/sys/class/net/mshX/prb_rsp_limit)

 */

static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get,

		lbs_prb_rsp_limit_set);



static struct attribute *lbs_mesh_sysfs_entries[] = {

	&dev_attr_anycast_mask.attr,

	&dev_attr_prb_rsp_limit.attr,

	NULL,

};



static struct attribute_group lbs_mesh_attr_group = {

	.attrs = lbs_mesh_sysfs_entries,

};







/***************************************************************************

 * 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);



	if (priv->mesh_fw_ver == MESH_FW_OLD) {

		/* 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 (priv->mesh_fw_ver == MESH_FW_NEW) {

		/* 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) {

		lbs_add_mesh(priv);



		if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))

			lbs_pr_err("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;



	lbs_deb_enter(LBS_DEB_MESH);



	if (priv->mesh_tlv) {

		device_remove_file(&dev->dev, &dev_attr_lbs_mesh);

		ret = 1;

	}



	lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);

	return ret;

}





/**

 *  @brief This function closes the mshX interface

 *

 *  @param dev     A pointer to net_device structure

 *  @return 	   0

 */

static int lbs_mesh_stop(struct net_device *dev)

{

	struct lbs_private *priv = dev->ml_priv;



	lbs_deb_enter(LBS_DEB_MESH);

	spin_lock_irq(&priv->driver_lock);



	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;

}



/**

 *  @brief This function opens the mshX interface

 *

 *  @param dev     A pointer to net_device structure

 *  @return 	   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->monitormode) {

		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,

};



/**

 * @brief This function adds mshX interface

 *

 *  @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 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,

			sizeof(priv->dev->dev_addr));



	SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);



#ifdef	WIRELESS_EXT

	mesh_dev->wireless_handlers = &mesh_handler_def;

#endif

	mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;

	/* Register virtual mesh interface */

	ret = register_netdev(mesh_dev);

	if (ret) {

		lbs_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_fw_ver == MESH_FW_OLD) {

			if (rxpd->rx_control & RxPD_MESH_FRAME)

				dev = priv->mesh_dev;

		} else if (priv->mesh_fw_ver == MESH_FW_NEW) {

			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_fw_ver == MESH_FW_OLD)

			txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME);

		else if (priv->mesh_fw_ver == MESH_FW_NEW)

			txpd->u.bss.bss_num = MESH_IFACE_ID;

	}

}





/***************************************************************************

 * Persistent configuration support

 */



static int mesh_get_default_parameters(struct device *dev,

				       struct mrvl_mesh_defaults *defs)

{

drivers/net/wireless/libertas/mesh.h

+24 −0
Original line number Diff line number Diff line
@@ -22,10 +22,34 @@ struct lbs_mesh_stats { 




struct net_device;

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);





/* Sending / Receiving */



struct rxpd;

struct txpd;



struct net_device *lbs_mesh_set_dev(struct lbs_private *priv,

	struct net_device *dev, struct rxpd *rxpd);

void lbs_mesh_set_txpd(struct lbs_private *priv,

	struct net_device *dev, struct txpd *txpd);





/* Persistent configuration */



void lbs_persist_config_init(struct net_device *net);

void lbs_persist_config_remove(struct net_device *net);





/* WEXT handler */



extern struct iw_handler_def mesh_handler_def;

drivers/net/wireless/libertas/rx.c

+2 −9
Original line number Diff line number Diff line
@@ -160,15 +160,8 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb) 
	p_rx_pd = (struct rxpd *) skb->data;

	p_rx_pkt = (struct rxpackethdr *) ((u8 *)p_rx_pd +

		le32_to_cpu(p_rx_pd->pkt_ptr));

	if (priv->mesh_dev) {

		if (priv->mesh_fw_ver == MESH_FW_OLD) {

			if (p_rx_pd->rx_control & RxPD_MESH_FRAME)

				dev = priv->mesh_dev;

		} else if (priv->mesh_fw_ver == MESH_FW_NEW) {

			if (p_rx_pd->u.bss.bss_num == MESH_IFACE_ID)

				dev = priv->mesh_dev;

		}

	}



	dev = lbs_mesh_set_dev(priv, dev, p_rx_pd);



	lbs_deb_hex(LBS_DEB_RX, "RX Data: Before chop rxpd", skb->data,

		 min_t(unsigned int, skb->len, 100));