path: root/drivers/net/wireless/libertas/main.c

/*
 * This file contains the major functions in WLAN
 * driver. It includes init, exit, open, close and main
 * thread etc..
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/module.h>
#include <linux/delay.h>
#include <linux/etherdevice.h>
#include <linux/hardirq.h>
#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <linux/kthread.h>
#include <linux/kfifo.h>
#include <linux/slab.h>
#include <net/cfg80211.h>

#include "host.h"
#include "decl.h"
#include "dev.h"
#include "cfg.h"
#include "debugfs.h"
#include "cmd.h"
#include "mesh.h"

#define DRIVER_RELEASE_VERSION "323.p0"
const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION
#ifdef  DEBUG
    "-dbg"
#endif
    "";


/* Module parameters */
unsigned int lbs_debug;
EXPORT_SYMBOL_GPL(lbs_debug);
module_param_named(libertas_debug, lbs_debug, int, 0644);

unsigned int lbs_disablemesh;
EXPORT_SYMBOL_GPL(lbs_disablemesh);
module_param_named(libertas_disablemesh, lbs_disablemesh, int, 0644);


/*
 * This global structure is used to send the confirm_sleep command as
 * fast as possible down to the firmware.
 */
struct cmd_confirm_sleep confirm_sleep;


/*
 * the table to keep region code
 */
u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] =
    { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 };

/*
 * FW rate table.  FW refers to rates by their index in this table, not by the
 * rate value itself.  Values of 0x00 are
 * reserved positions.
 */
static u8 fw_data_rates[MAX_RATES] =
    { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12,
      0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00
};

/**
 *  lbs_fw_index_to_data_rate - use index to get the data rate
 *
 *  @idx:	The index of data rate
 *  returns:	data rate or 0
 */
u32 lbs_fw_index_to_data_rate(u8 idx)
{
	if (idx >= sizeof(fw_data_rates))
		idx = 0;
	return fw_data_rates[idx];
}

/**
 *  lbs_data_rate_to_fw_index - use rate to get the index
 *
 *  @rate:	data rate
 *  returns:	index or 0
 */
u8 lbs_data_rate_to_fw_index(u32 rate)
{
	u8 i;

	if (!rate)
		return 0;

	for (i = 0; i < sizeof(fw_data_rates); i++) {
		if (rate == fw_data_rates[i])
			return i;
	}
	return 0;
}

int lbs_set_iface_type(struct lbs_private *priv, enum nl80211_iftype type)
{
	int ret = 0;

	switch (type) {
	case NL80211_IFTYPE_MONITOR:
		ret = lbs_set_monitor_mode(priv, 1);
		break;
	case NL80211_IFTYPE_STATION:
		if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR)
			ret = lbs_set_monitor_mode(priv, 0);
		if (!ret)
			ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_BSS_TYPE, 1);
		break;
	case NL80211_IFTYPE_ADHOC:
		if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR)
			ret = lbs_set_monitor_mode(priv, 0);
		if (!ret)
			ret = lbs_set_snmp_mib(priv,