Release 4.9 drivers/net/wireless/marvell/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];
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| dan williams | dan williams | 22 | 81.48% | 1 | 33.33% | 
| marcelo tosatti | marcelo tosatti | 4 | 14.81% | 1 | 33.33% | 
| holger schurig | holger schurig | 1 | 3.70% | 1 | 33.33% | 
 | Total | 27 | 100.00% | 3 | 100.00% | 
/**
 *  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;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| dan williams | dan williams | 48 | 92.31% | 1 | 33.33% | 
| marcelo tosatti | marcelo tosatti | 3 | 5.77% | 1 | 33.33% | 
| holger schurig | holger schurig | 1 | 1.92% | 1 | 33.33% | 
 | Total | 52 | 100.00% | 3 | 100.00% | 
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, SNMP_MIB_OID_BSS_TYPE, 2);
		break;
	default:
		ret = -ENOTSUPP;
	}
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| daniel drake | daniel drake | 125 | 100.00% | 1 | 100.00% | 
 | Total | 125 | 100.00% | 1 | 100.00% | 
int lbs_start_iface(struct lbs_private *priv)
{
	struct cmd_ds_802_11_mac_address cmd;
	int ret;
	if (priv->power_restore) {
		ret = priv->power_restore(priv);
		if (ret)
			return ret;
	}
	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
	cmd.action = cpu_to_le16(CMD_ACT_SET);
	memcpy(cmd.macadd, priv->current_addr, ETH_ALEN);
	ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd);
	if (ret) {
		lbs_deb_net("set MAC address failed\n");
		goto err;
	}
	ret = lbs_set_iface_type(priv, priv->wdev->iftype);
	if (ret) {
		lbs_deb_net("set iface type failed\n");
		goto err;
	}
	ret = lbs_set_11d_domain_info(priv);
	if (ret) {
		lbs_deb_net("set 11d domain info failed\n");
		goto err;
	}
	lbs_update_channel(priv);
	priv->iface_running = true;
	return 0;
err:
	if (priv->power_save)
		priv->power_save(priv);
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| daniel drake | daniel drake | 183 | 100.00% | 3 | 100.00% | 
 | Total | 183 | 100.00% | 3 | 100.00% | 
/**
 *  lbs_dev_open - open the ethX interface
 *
 *  @dev:       A pointer to &net_device structure
 *  returns:    0 or -EBUSY if monitor mode active
 */
static int lbs_dev_open(struct net_device *dev)
{
	struct lbs_private *priv = dev->ml_priv;
	int ret = 0;
	lbs_deb_enter(LBS_DEB_NET);
	if (!priv->iface_running) {
		ret = lbs_start_iface(priv);
		if (ret)
			goto out;
	}
	spin_lock_irq(&priv->driver_lock);
	netif_carrier_off(dev);
	if (!priv->tx_pending_len)
		netif_wake_queue(dev);
	spin_unlock_irq(&priv->driver_lock);
out:
	lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| daniel drake | daniel drake | 27 | 27.00% | 2 | 25.00% | 
| kiran divekar | kiran divekar | 22 | 22.00% | 2 | 25.00% | 
| holger schurig | holger schurig | 18 | 18.00% | 1 | 12.50% | 
| anna neal | anna neal | 14 | 14.00% | 1 | 12.50% | 
| marcelo tosatti | marcelo tosatti | 11 | 11.00% | 1 | 12.50% | 
| david woodhouse | david woodhouse | 8 | 8.00% | 1 | 12.50% | 
 | Total | 100 | 100.00% | 8 | 100.00% | 
static bool lbs_command_queue_empty(struct lbs_private *priv)
{
	unsigned long flags;
	bool ret;
	spin_lock_irqsave(&priv->driver_lock, flags);
	ret = priv->cur_cmd == NULL && list_empty(&priv->cmdpendingq);
	spin_unlock_irqrestore(&priv->driver_lock, flags);
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| daniel drake | daniel drake | 57 | 100.00% | 1 | 100.00% | 
 | Total | 57 | 100.00% | 1 | 100.00% | 
int lbs_stop_iface(struct lbs_private *priv)
{
	unsigned long flags;
	int ret = 0;
	lbs_deb_enter(LBS_DEB_MAIN);
	spin_lock_irqsave(&priv->driver_lock, flags);
	priv->iface_running = false;
	kfree_skb(priv->currenttxskb);
	priv->currenttxskb = NULL;
	priv->tx_pending_len = 0;
	spin_unlock_irqrestore(&priv->driver_lock, flags);
	cancel_work_sync(&priv->mcast_work);
	del_timer_sync(&priv->tx_lockup_timer);
	/* Disable command processing, and wait for all commands to complete */
	lbs_deb_main("waiting for commands to complete\n");
	wait_event(priv->waitq, lbs_command_queue_empty(priv));
	lbs_deb_main("all commands completed\n");
	if (priv->power_save)
		ret = priv->power_save(priv);
	lbs_deb_leave(LBS_DEB_MAIN);
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| daniel drake | daniel drake | 131 | 100.00% | 2 | 100.00% | 
 | Total | 131 | 100.00% | 2 | 100.00% | 
/**
 *  lbs_eth_stop - close the ethX interface
 *
 *  @dev:       A pointer to &net_device structure
 *  returns:    0
 */
static int lbs_eth_stop(struct net_device *dev)
{
	struct lbs_private *priv = dev->ml_priv;
	lbs_deb_enter(LBS_DEB_NET);
	if (priv->connect_status == LBS_CONNECTED)
		lbs_disconnect(priv, WLAN_REASON_DEAUTH_LEAVING);
	spin_lock_irq(&priv->driver_lock);
	netif_stop_queue(dev);
	spin_unlock_irq(&priv->driver_lock);
	lbs_update_mcast(priv);
	cancel_delayed_work_sync(&priv->scan_work);
	if (priv->scan_req)
		lbs_scan_done(priv);
	netif_carrier_off(priv->dev);
	if (!lbs_iface_active(priv))
		lbs_stop_iface(priv);
	lbs_deb_leave(LBS_DEB_NET);
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| daniel drake | daniel drake | 54 | 47.79% | 2 | 22.22% | 
| holger schurig | holger schurig | 21 | 18.58% | 1 | 11.11% | 
| anna neal | anna neal | 20 | 17.70% | 1 | 11.11% | 
| kiran divekar | kiran divekar | 12 | 10.62% | 2 | 22.22% | 
| luis carlos cobo rus | luis carlos cobo rus | 4 | 3.54% | 1 | 11.11% | 
| david woodhouse | david woodhouse | 1 | 0.88% | 1 | 11.11% | 
| andres salomon | andres salomon | 1 | 0.88% | 1 | 11.11% | 
 | Total | 113 | 100.00% | 9 | 100.00% | 
void lbs_host_to_card_done(struct lbs_private *priv)
{
	unsigned long flags;
	lbs_deb_enter(LBS_DEB_THREAD);
	spin_lock_irqsave(&priv->driver_lock, flags);
	del_timer(&priv->tx_lockup_timer);
	priv->dnld_sent = DNLD_RES_RECEIVED;
	/* Wake main thread if commands are pending */
	if (!priv->cur_cmd || priv->tx_pending_len > 0) {
		if (!priv->wakeup_dev_required)
			wake_up(&priv->waitq);
	}
	spin_unlock_irqrestore(&priv->driver_lock, flags);
	lbs_deb_leave(LBS_DEB_THREAD);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 43 | 48.31% | 2 | 25.00% | 
| luis carlos cobo rus | luis carlos cobo rus | 27 | 30.34% | 2 | 25.00% | 
| david woodhouse | david woodhouse | 10 | 11.24% | 2 | 25.00% | 
| daniel drake | daniel drake | 9 | 10.11% | 2 | 25.00% | 
 | Total | 89 | 100.00% | 8 | 100.00% | 
EXPORT_SYMBOL_GPL(lbs_host_to_card_done);
int lbs_set_mac_address(struct net_device *dev, void *addr)
{
	int ret = 0;
	struct lbs_private *priv = dev->ml_priv;
	struct sockaddr *phwaddr = addr;
	lbs_deb_enter(LBS_DEB_NET);
	/*
         * Can only set MAC address when all interfaces are down, to be written
         * to the hardware when one of them is brought up.
         */
	if (lbs_iface_active(priv))
		return -EBUSY;
	/* In case it was called from the mesh device */
	dev = priv->dev;
	memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN);
	memcpy(dev->dev_addr, phwaddr->sa_data, ETH_ALEN);
	if (priv->mesh_dev)
		memcpy(priv->mesh_dev->dev_addr, phwaddr->sa_data, ETH_ALEN);
	lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 50 | 42.37% | 3 | 27.27% | 
| david woodhouse | david woodhouse | 31 | 26.27% | 2 | 18.18% | 
| daniel drake | daniel drake | 14 | 11.86% | 1 | 9.09% | 
| marcelo tosatti | marcelo tosatti | 11 | 9.32% | 1 | 9.09% | 
| luis carlos cobo rus | luis carlos cobo rus | 4 | 3.39% | 1 | 9.09% | 
| brajesh dave | brajesh dave | 4 | 3.39% | 1 | 9.09% | 
| kiran divekar | kiran divekar | 3 | 2.54% | 1 | 9.09% | 
| anna neal | anna neal | 1 | 0.85% | 1 | 9.09% | 
 | Total | 118 | 100.00% | 11 | 100.00% | 
static inline int mac_in_list(unsigned char *list, int list_len,
			      unsigned char *mac)
{
	while (list_len) {
		if (!memcmp(list, mac, ETH_ALEN))
			return 1;
		list += ETH_ALEN;
		list_len--;
	}
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 41 | 80.39% | 2 | 66.67% | 
| marcelo tosatti | marcelo tosatti | 10 | 19.61% | 1 | 33.33% | 
 | Total | 51 | 100.00% | 3 | 100.00% | 
static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd,
			       struct net_device *dev, int nr_addrs)
{
	int i = nr_addrs;
	struct netdev_hw_addr *ha;
	int cnt;
	if ((dev->flags & (IFF_UP|IFF_MULTICAST)) != (IFF_UP|IFF_MULTICAST))
		return nr_addrs;
	netif_addr_lock_bh(dev);
	cnt = netdev_mc_count(dev);
	netdev_for_each_mc_addr(ha, dev) {
		if (mac_in_list(cmd->maclist, nr_addrs, ha->addr)) {
			lbs_deb_net("mcast address %s:%pM skipped\n", dev->name,
				    ha->addr);
			cnt--;
			continue;
		}
		if (i == MRVDRV_MAX_MULTICAST_LIST_SIZE)
			break;
		memcpy(&cmd->maclist[6*i], ha->addr, ETH_ALEN);
		lbs_deb_net("mcast address %s:%pM added to filter\n", dev->name,
			    ha->addr);
		i++;
		cnt--;
	}
	netif_addr_unlock_bh(dev);
	if (cnt)
		return -EOVERFLOW;
	return i;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 87 | 51.18% | 4 | 33.33% | 
| marcelo tosatti | marcelo tosatti | 39 | 22.94% | 1 | 8.33% | 
| jiri pirko | jiri pirko | 31 | 18.24% | 2 | 16.67% | 
| david woodhouse | david woodhouse | 9 | 5.29% | 3 | 25.00% | 
| amitkumar karwar | amitkumar karwar | 3 | 1.76% | 1 | 8.33% | 
| javier cardona | javier cardona | 1 | 0.59% | 1 | 8.33% | 
 | Total | 170 | 100.00% | 12 | 100.00% | 
void lbs_update_mcast(struct lbs_private *priv)
{
	struct cmd_ds_mac_multicast_adr mcast_cmd;
	int dev_flags = 0;
	int nr_addrs;
	int old_mac_control = priv->mac_control;
	lbs_deb_enter(LBS_DEB_NET);
	if (netif_running(priv->dev))
		dev_flags |= priv->dev->flags;
	if (priv->mesh_dev && netif_running(priv->mesh_dev))
		dev_flags |= priv->mesh_dev->flags;
	if (dev_flags & IFF_PROMISC) {
		priv->mac_control |= CMD_ACT_MAC_PROMISCUOUS_ENABLE;
		priv->mac_control &= ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE |
				       CMD_ACT_MAC_MULTICAST_ENABLE);
		goto out_set_mac_control;
	} else if (dev_flags & IFF_ALLMULTI) {
	do_allmulti:
		priv->mac_control |= CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
		priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE |
				       CMD_ACT_MAC_MULTICAST_ENABLE);
		goto out_set_mac_control;
	}
	/* Once for priv->dev, again for priv->mesh_dev if it exists */
	nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->dev, 0);
	if (nr_addrs >= 0 && priv->mesh_dev)
		nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->mesh_dev, nr_addrs);
	if (nr_addrs < 0)
		goto do_allmulti;
	if (nr_addrs) {
		int size = offsetof(struct cmd_ds_mac_multicast_adr,
				    maclist[6*nr_addrs]);
		mcast_cmd.action = cpu_to_le16(CMD_ACT_SET);
		mcast_cmd.hdr.size = cpu_to_le16(size);
		mcast_cmd.nr_of_adrs = cpu_to_le16(nr_addrs);
		lbs_cmd_async(priv, CMD_MAC_MULTICAST_ADR, &mcast_cmd.hdr, size);
		priv->mac_control |= CMD_ACT_MAC_MULTICAST_ENABLE;
	} else
		priv->mac_control &= ~CMD_ACT_MAC_MULTICAST_ENABLE;
	priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE |
			       CMD_ACT_MAC_ALL_MULTICAST_ENABLE);
 out_set_mac_control:
	if (priv->mac_control != old_mac_control)
		lbs_set_mac_control(priv);
	lbs_deb_leave(LBS_DEB_NET);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 187 | 64.71% | 2 | 22.22% | 
| david woodhouse | david woodhouse | 38 | 13.15% | 3 | 33.33% | 
| amitkumar karwar | amitkumar karwar | 33 | 11.42% | 1 | 11.11% | 
| daniel drake | daniel drake | 22 | 7.61% | 1 | 11.11% | 
| marcelo tosatti | marcelo tosatti | 6 | 2.08% | 1 | 11.11% | 
| brian cavagnolo | brian cavagnolo | 3 | 1.04% | 1 | 11.11% | 
 | Total | 289 | 100.00% | 9 | 100.00% | 
static void lbs_set_mcast_worker(struct work_struct *work)
{
	struct lbs_private *priv = container_of(work, struct lbs_private, mcast_work);
	lbs_update_mcast(priv);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| daniel drake | daniel drake | 31 | 100.00% | 1 | 100.00% | 
 | Total | 31 | 100.00% | 1 | 100.00% | 
void lbs_set_multicast_list(struct net_device *dev)
{
	struct lbs_private *priv = dev->ml_priv;
	schedule_work(&priv->mcast_work);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 23 | 85.19% | 1 | 33.33% | 
| marcelo tosatti | marcelo tosatti | 3 | 11.11% | 1 | 33.33% | 
| david woodhouse | david woodhouse | 1 | 3.70% | 1 | 33.33% | 
 | Total | 27 | 100.00% | 3 | 100.00% | 
/**
 *  lbs_thread - handles the major jobs in the LBS driver.
 *  It handles all events generated by firmware, RX data received
 *  from firmware and TX data sent from kernel.
 *
 *  @data:      A pointer to &lbs_thread structure
 *  returns:    0
 */
static int lbs_thread(void *data)
{
	struct net_device *dev = data;
	struct lbs_private *priv = dev->ml_priv;
	wait_queue_t wait;
	lbs_deb_enter(LBS_DEB_THREAD);
	init_waitqueue_entry(&wait, current);
	for (;;) {
		int shouldsleep;
		u8 resp_idx;
		lbs_deb_thread("1: currenttxskb %p, dnld_sent %d\n",
				priv->currenttxskb, priv->dnld_sent);
		add_wait_queue(&priv->waitq, &wait);
		set_current_state(TASK_INTERRUPTIBLE);
		spin_lock_irq(&priv->driver_lock);
		if (kthread_should_stop())
			shouldsleep = 0;	/* Bye */
		else if (priv->surpriseremoved)
			shouldsleep = 1;	/* We need to wait until we're _told_ to die */
		else if (priv->psstate == PS_STATE_SLEEP)
			shouldsleep = 1;	/* Sleep mode. Nothing we can do till it wakes */
		else if (priv->cmd_timed_out)
			shouldsleep = 0;	/* Command timed out. Recover */
		else if (!priv->fw_ready)
			shouldsleep = 1;	/* Firmware not ready. We're waiting for it */
		else if (priv->dnld_sent)
			shouldsleep = 1;	/* Something is en route to the device already */
		else if (priv->tx_pending_len > 0)
			shouldsleep = 0;	/* We've a packet to send */
		else if (priv->resp_len[priv->resp_idx])
			shouldsleep = 0;	/* We have a command response */
		else if (priv->cur_cmd)
			shouldsleep = 1;	/* Can't send a command; one already running */
		else if (!list_empty(&priv->cmdpendingq) &&
					!(priv->wakeup_dev_required))
			shouldsleep = 0;	/* We have a command to send */
		else if (kfifo_len(&priv->event_fifo))
			shouldsleep = 0;	/* We have an event to process */
		else
			shouldsleep = 1;	/* No command */
		if (shouldsleep) {
			lbs_deb_thread("sleeping, connect_status %d, "
				"psmode %d, psstate %d\n",
				priv->connect_status,
				priv->psmode, priv->psstate);
			spin_unlock_irq(&priv->driver_lock);
			schedule();
		} else
			spin_unlock_irq(&priv->driver_lock);
		lbs_deb_thread("2: currenttxskb %p, dnld_send %d\n",
			       priv->currenttxskb, priv->dnld_sent);
		set_current_state(TASK_RUNNING);
		remove_wait_queue(&priv->waitq, &wait);
		lbs_deb_thread("3: currenttxskb %p, dnld_sent %d\n",
			       priv->currenttxskb, priv->dnld_sent);
		if (kthread_should_stop()) {
			lbs_deb_thread("break from main thread\n");
			break;
		}
		if (priv->surpriseremoved) {
			lbs_deb_thread("adapter removed; waiting to die...\n");
			continue;
		}
		lbs_deb_thread("4: currenttxskb %p, dnld_sent %d\n",
		       priv->currenttxskb, priv->dnld_sent);
		/* Process any pending command response */
		spin_lock_irq(&priv->driver_lock);
		resp_idx = priv->resp_idx;
		if (priv->resp_len[resp_idx]) {
			spin_unlock_irq(&priv->driver_lock);
			lbs_process_command_response(priv,
				priv->resp_buf[resp_idx],
				priv->resp_len[resp_idx]);
			spin_lock_irq(&priv->driver_lock);
			priv->resp_len[resp_idx] = 0;
		}
		spin_unlock_irq(&priv->driver_lock);
		/* Process hardware events, e.g. card removed, link lost */
		spin_lock_irq(&priv->driver_lock);
		while (kfifo_len(&priv->event_fifo)) {
			u32 event;
			if (kfifo_out(&priv->event_fifo,
				(unsigned char *) &event, sizeof(event)) !=
				sizeof(event))
					break;
			spin_unlock_irq(&priv->driver_lock);
			lbs_process_event(priv, event);
			spin_lock_irq(&priv->driver_lock);
		}
		spin_unlock_irq(&priv->driver_lock);
		if (priv->wakeup_dev_required) {
			lbs_deb_thread("Waking up device...\n");
			/* Wake up device */
			if (priv->exit_deep_sleep(priv))
				lbs_deb_thread("Wakeup device failed\n");
			continue;
		}
		/* command timeout stuff */
		if (priv->cmd_timed_out && priv->cur_cmd) {
			struct cmd_ctrl_node *cmdnode = priv->cur_cmd;
			netdev_info(dev, "Timeout submitting command 0x%04x\n",
				    le16_to_cpu(cmdnode->cmdbuf->command));
			lbs_complete_command(priv, cmdnode, -ETIMEDOUT);
			/* Reset card, but only when it isn't in the process
                         * of being shutdown anyway. */
			if (!dev->dismantle && priv->reset_card)
				priv->reset_card(priv);
		}
		priv->cmd_timed_out = 0;
		if (!priv->fw_ready)
			continue;
		/* Check if we need to confirm Sleep Request received previously */
		if (priv->psstate == PS_STATE_PRE_SLEEP &&
		    !priv->dnld_sent && !priv->cur_cmd) {
			if (priv->connect_status == LBS_CONNECTED) {
				lbs_deb_thread("pre-sleep, currenttxskb %p, "
					"dnld_sent %d, cur_cmd %p\n",
					priv->currenttxskb, priv->dnld_sent,
					priv->cur_cmd);
				lbs_ps_confirm_sleep(priv);
			} else {
				/* workaround for firmware sending
                                 * deauth/linkloss event immediately
                                 * after sleep request; remove this
                                 * after firmware fixes it
                                 */
				priv->psstate = PS_STATE_AWAKE;
				netdev_alert(dev,
					     "ignore PS_SleepConfirm in non-connected state\n");
			}
		}
		/* The PS state is changed during processing of Sleep Request
                 * event above
                 */
		if ((priv->psstate == PS_STATE_SLEEP) ||
		    (priv->psstate == PS_STATE_PRE_SLEEP))
			continue;
		if (priv->is_deep_sleep)
			continue;
		/* Execute the next command */
		if (!priv->dnld_sent && !priv->cur_cmd)
			lbs_execute_next_command(priv);
		spin_lock_irq(&priv->driver_lock);
		if (!priv->dnld_sent && priv->tx_pending_len > 0) {
			int ret = priv->hw_host_to_card(priv, MVMS_DAT,
							priv->tx_pending_buf,
							priv->tx_pending_len);
			if (ret) {
				lbs_deb_tx("host_to_card failed %d\n", ret);
				priv->dnld_sent = DNLD_RES_RECEIVED;
			} else {
				mod_timer(&priv->tx_lockup_timer,
					  jiffies + (HZ * 5));
			}
			priv->tx_pending_len = 0;
			if (!priv->currenttxskb) {
				/* We can wake the queues immediately if we aren't
                                   waiting for TX feedback */
				if (priv->connect_status == LBS_CONNECTED)
					netif_wake_queue(priv->dev);
				if (priv->mesh_dev &&
				    netif_running(priv->mesh_dev))
					netif_wake_queue(priv->mesh_dev);
			}
		}
		spin_unlock_irq(&priv->driver_lock);
	}
	del_timer(&priv->command_timer);
	del_timer(&priv->tx_lockup_timer);
	del_timer(&priv->auto_deepsleep_timer);
	lbs_deb_leave(LBS_DEB_THREAD);
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 593 | 63.09% | 7 | 26.92% | 
| david woodhouse | david woodhouse | 136 | 14.47% | 5 | 19.23% | 
| amitkumar karwar | amitkumar karwar | 88 | 9.36% | 2 | 7.69% | 
| marcelo tosatti | marcelo tosatti | 50 | 5.32% | 1 | 3.85% | 
| daniel drake | daniel drake | 36 | 3.83% | 3 | 11.54% | 
| stefani seibold | stefani seibold | 15 | 1.60% | 4 | 15.38% | 
| dan williams | dan williams | 15 | 1.60% | 2 | 7.69% | 
| joe perches | joe perches | 7 | 0.74% | 2 | 7.69% | 
 | Total | 940 | 100.00% | 26 | 100.00% | 
/**
 * lbs_setup_firmware - gets the HW spec from the firmware and sets
 *        some basic parameters
 *
 *  @priv:      A pointer to &struct lbs_private structure
 *  returns:    0 or -1
 */
static int lbs_setup_firmware(struct lbs_private *priv)
{
	int ret = -1;
	s16 curlevel = 0, minlevel = 0, maxlevel = 0;
	lbs_deb_enter(LBS_DEB_FW);
	/* Read MAC address from firmware */
	eth_broadcast_addr(priv->current_addr);
	ret = lbs_update_hw_spec(priv);
	if (ret)
		goto done;
	/* Read power levels if available */
	ret = lbs_get_tx_power(priv, &curlevel, &minlevel, &maxlevel);
	if (ret == 0) {
		priv->txpower_cur = curlevel;
		priv->txpower_min = minlevel;
		priv->txpower_max = maxlevel;
	}
	/* Send cmd to FW to enable 11D function */
	ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_11D_ENABLE, 1);
	if (ret)
		goto done;
	ret = lbs_set_mac_control_sync(priv);
done:
	lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| vasily khoruzhick | vasily khoruzhick | 129 | 92.14% | 1 | 33.33% | 
| daniel drake | daniel drake | 10 | 7.14% | 1 | 33.33% | 
| joe perches | joe perches | 1 | 0.71% | 1 | 33.33% | 
 | Total | 140 | 100.00% | 3 | 100.00% | 
int lbs_suspend(struct lbs_private *priv)
{
	int ret;
	lbs_deb_enter(LBS_DEB_FW);
	if (priv->is_deep_sleep) {
		ret = lbs_set_deep_sleep(priv, 0);
		if (ret) {
			netdev_err(priv->dev,
				   "deep sleep cancellation failed: %d\n", ret);
			return ret;
		}
		priv->deep_sleep_required = 1;
	}
	ret = lbs_set_host_sleep(priv, 1);
	netif_device_detach(priv->dev);
	if (priv->mesh_dev)
		netif_device_detach(priv->mesh_dev);
	lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| amitkumar karwar | amitkumar karwar | 53 | 51.96% | 2 | 18.18% | 
| holger schurig | holger schurig | 39 | 38.24% | 6 | 54.55% | 
| joe perches | joe perches | 5 | 4.90% | 1 | 9.09% | 
| dan williams | dan williams | 4 | 3.92% | 1 | 9.09% | 
| david woodhouse | david woodhouse | 1 | 0.98% | 1 | 9.09% | 
 | Total | 102 | 100.00% | 11 | 100.00% | 
EXPORT_SYMBOL_GPL(lbs_suspend);
int lbs_resume(struct lbs_private *priv)
{
	int ret;
	lbs_deb_enter(LBS_DEB_FW);
	ret = lbs_set_host_sleep(priv, 0);
	netif_device_attach(priv->dev);
	if (priv->mesh_dev)
		netif_device_attach(priv->mesh_dev);
	if (priv->deep_sleep_required) {
		priv->deep_sleep_required = 0;
		ret = lbs_set_deep_sleep(priv, 1);
		if (ret)
			netdev_err(priv->dev,
				   "deep sleep activation failed: %d\n", ret);
	}
	if (priv->setup_fw_on_resume)
		ret = lbs_setup_firmware(priv);
	lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 49 | 44.55% | 4 | 36.36% | 
| amitkumar karwar | amitkumar karwar | 48 | 43.64% | 3 | 27.27% | 
| joe perches | joe perches | 5 | 4.55% | 1 | 9.09% | 
| david woodhouse | david woodhouse | 3 | 2.73% | 1 | 9.09% | 
| vasily khoruzhick | vasily khoruzhick | 3 | 2.73% | 1 | 9.09% | 
| kiran divekar | kiran divekar | 2 | 1.82% | 1 | 9.09% | 
 | Total | 110 | 100.00% | 11 | 100.00% | 
EXPORT_SYMBOL_GPL(lbs_resume);
/**
 * lbs_cmd_timeout_handler - handles the timeout of command sending.
 * It will re-send the same command again.
 *
 * @data: &struct lbs_private pointer
 */
static void lbs_cmd_timeout_handler(unsigned long data)
{
	struct lbs_private *priv = (struct lbs_private *)data;
	unsigned long flags;
	lbs_deb_enter(LBS_DEB_CMD);
	spin_lock_irqsave(&priv->driver_lock, flags);
	if (!priv->cur_cmd)
		goto out;
	netdev_info(priv->dev, "command 0x%04x timed out\n",
		    le16_to_cpu(priv->cur_cmd->cmdbuf->command));
	priv->cmd_timed_out = 1;
	/*
         * If the device didn't even acknowledge the command, reset the state
         * so that we don't block all future commands due to this one timeout.
         */
	if (priv->dnld_sent == DNLD_CMD_SENT)
		priv->dnld_sent = DNLD_RES_RECEIVED;
	wake_up(&priv->waitq);
out:
	spin_unlock_irqrestore(&priv->driver_lock, flags);
	lbs_deb_leave(LBS_DEB_CMD);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 69 | 58.97% | 6 | 50.00% | 
| dan williams | dan williams | 19 | 16.24% | 1 | 8.33% | 
| daniel drake | daniel drake | 16 | 13.68% | 2 | 16.67% | 
| amitkumar karwar | amitkumar karwar | 6 | 5.13% | 1 | 8.33% | 
| joe perches | joe perches | 5 | 4.27% | 1 | 8.33% | 
| david woodhouse | david woodhouse | 2 | 1.71% | 1 | 8.33% | 
 | Total | 117 | 100.00% | 12 | 100.00% | 
/**
 * lbs_tx_lockup_handler - handles the timeout of the passing of TX frames
 * to the hardware. This is known to frequently happen with SD8686 when
 * waking up after a Wake-on-WLAN-triggered resume.
 *
 * @data: &struct lbs_private pointer
 */
static void lbs_tx_lockup_handler(unsigned long data)
{
	struct lbs_private *priv = (struct lbs_private *)data;
	unsigned long flags;
	lbs_deb_enter(LBS_DEB_TX);
	spin_lock_irqsave(&priv->driver_lock, flags);
	netdev_info(priv->dev, "TX lockup detected\n");
	if (priv->reset_card)
		priv->reset_card(priv);
	priv->dnld_sent = DNLD_RES_RECEIVED;
	wake_up_interruptible(&priv->waitq);
	spin_unlock_irqrestore(&priv->driver_lock, flags);
	lbs_deb_leave(LBS_DEB_TX);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| daniel drake | daniel drake | 92 | 100.00% | 1 | 100.00% | 
 | Total | 92 | 100.00% | 1 | 100.00% | 
/**
 * auto_deepsleep_timer_fn - put the device back to deep sleep mode when
 * timer expires and no activity (command, event, data etc.) is detected.
 * @data:       &struct lbs_private pointer
 * returns:     N/A
 */
static void auto_deepsleep_timer_fn(unsigned long data)
{
	struct lbs_private *priv = (struct lbs_private *)data;
	lbs_deb_enter(LBS_DEB_CMD);
	if (priv->is_activity_detected) {
		priv->is_activity_detected = 0;
	} else {
		if (priv->is_auto_deep_sleep_enabled &&
		    (!priv->wakeup_dev_required) &&
		    (priv->connect_status != LBS_CONNECTED)) {
			struct cmd_header cmd;
			lbs_deb_main("Entering auto deep sleep mode...\n");
			memset(&cmd, 0, sizeof(cmd));
			cmd.size = cpu_to_le16(sizeof(cmd));
			lbs_cmd_async(priv, CMD_802_11_DEEP_SLEEP, &cmd,
					sizeof(cmd));
		}
	}
	mod_timer(&priv->auto_deepsleep_timer , jiffies +
				(priv->auto_deep_sleep_timeout * HZ)/1000);
	lbs_deb_leave(LBS_DEB_CMD);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 87 | 61.70% | 5 | 50.00% | 
| dan williams | dan williams | 38 | 26.95% | 2 | 20.00% | 
| marcelo tosatti | marcelo tosatti | 13 | 9.22% | 1 | 10.00% | 
| wang chen | wang chen | 2 | 1.42% | 1 | 10.00% | 
| kiran divekar | kiran divekar | 1 | 0.71% | 1 | 10.00% | 
 | Total | 141 | 100.00% | 10 | 100.00% | 
int lbs_enter_auto_deep_sleep(struct lbs_private *priv)
{
	lbs_deb_enter(LBS_DEB_SDIO);
	priv->is_auto_deep_sleep_enabled = 1;
	if (priv->is_deep_sleep)
		priv->wakeup_dev_required = 1;
	mod_timer(&priv->auto_deepsleep_timer ,
			jiffies + (priv->auto_deep_sleep_timeout * HZ)/1000);
	lbs_deb_leave(LBS_DEB_SDIO);
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 49 | 80.33% | 3 | 75.00% | 
| marcelo tosatti | marcelo tosatti | 12 | 19.67% | 1 | 25.00% | 
 | Total | 61 | 100.00% | 4 | 100.00% | 
int lbs_exit_auto_deep_sleep(struct lbs_private *priv)
{
	lbs_deb_enter(LBS_DEB_SDIO);
	priv->is_auto_deep_sleep_enabled = 0;
	priv->auto_deep_sleep_timeout = 0;
	del_timer(&priv->auto_deepsleep_timer);
	lbs_deb_leave(LBS_DEB_SDIO);
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 38 | 88.37% | 2 | 40.00% | 
| luis carlos cobo rus | luis carlos cobo rus | 3 | 6.98% | 1 | 20.00% | 
| daniel mack | daniel mack | 1 | 2.33% | 1 | 20.00% | 
| dan williams | dan williams | 1 | 2.33% | 1 | 20.00% | 
 | Total | 43 | 100.00% | 5 | 100.00% | 
static int lbs_init_adapter(struct lbs_private *priv)
{
	int ret;
	lbs_deb_enter(LBS_DEB_MAIN);
	eth_broadcast_addr(priv->current_addr);
	priv->connect_status = LBS_DISCONNECTED;
	priv->channel = DEFAULT_AD_HOC_CHANNEL;
	priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
	priv->radio_on = 1;
	priv->psmode = LBS802_11POWERMODECAM;
	priv->psstate = PS_STATE_FULL_POWER;
	priv->is_deep_sleep = 0;
	priv->is_auto_deep_sleep_enabled = 0;
	priv->deep_sleep_required = 0;
	priv->wakeup_dev_required = 0;
	init_waitqueue_head(&priv->ds_awake_q);
	init_waitqueue_head(&priv->scan_q);
	priv->authtype_auto = 1;
	priv->is_host_sleep_configured = 0;
	priv->is_host_sleep_activated = 0;
	init_waitqueue_head(&priv->host_sleep_q);
	init_waitqueue_head(&priv->fw_waitq);
	mutex_init(&priv->lock);
	setup_timer(&priv->command_timer, lbs_cmd_timeout_handler,
		(unsigned long)priv);
	setup_timer(&priv->tx_lockup_timer, lbs_tx_lockup_handler,
		(unsigned long)priv);
	setup_timer(&priv->auto_deepsleep_timer, auto_deepsleep_timer_fn,
			(unsigned long)priv);
	INIT_LIST_HEAD(&priv->cmdfreeq);
	INIT_LIST_HEAD(&priv->cmdpendingq);
	spin_lock_init(&priv->driver_lock);
	/* Allocate the command buffers */
	if (lbs_allocate_cmd_buffer(priv)) {
		pr_err("Out of memory allocating command buffers\n");
		ret = -ENOMEM;
		goto out;
	}
	priv->resp_idx = 0;
	priv->resp_len[0] = priv->resp_len[1] = 0;
	/* Create the event FIFO */
	ret = kfifo_alloc(&priv->event_fifo, sizeof(u32) * 16, GFP_KERNEL);
	if (ret) {
		pr_err("Out of memory allocating event FIFO buffer\n");
		goto out;
	}
out:
	lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 172 | 55.31% | 3 | 16.67% | 
| amitkumar karwar | amitkumar karwar | 32 | 10.29% | 2 | 11.11% | 
| dan williams | dan williams | 26 | 8.36% | 4 | 22.22% | 
| luis carlos cobo rus | luis carlos cobo rus | 24 | 7.72% | 1 | 5.56% | 
| daniel drake | daniel drake | 24 | 7.72% | 2 | 11.11% | 
| david woodhouse | david woodhouse | 12 | 3.86% | 2 | 11.11% | 
| marcelo tosatti | marcelo tosatti | 11 | 3.54% | 1 | 5.56% | 
| stefani seibold | stefani seibold | 7 | 2.25% | 1 | 5.56% | 
| joe perches | joe perches | 3 | 0.96% | 2 | 11.11% | 
 | Total | 311 | 100.00% | 18 | 100.00% | 
static void lbs_free_adapter(struct lbs_private *priv)
{
	lbs_deb_enter(LBS_DEB_MAIN);
	lbs_free_cmd_buffer(priv);
	kfifo_free(&priv->event_fifo);
	del_timer(&priv->command_timer);
	del_timer(&priv->tx_lockup_timer);
	del_timer(&priv->auto_deepsleep_timer);
	lbs_deb_leave(LBS_DEB_MAIN);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 32 | 55.17% | 2 | 22.22% | 
| daniel drake | daniel drake | 8 | 13.79% | 1 | 11.11% | 
| luis carlos cobo rus | luis carlos cobo rus | 7 | 12.07% | 1 | 11.11% | 
| amitkumar karwar | amitkumar karwar | 5 | 8.62% | 1 | 11.11% | 
| dan williams | dan williams | 3 | 5.17% | 1 | 11.11% | 
| marcelo tosatti | marcelo tosatti | 2 | 3.45% | 2 | 22.22% | 
| stefani seibold | stefani seibold | 1 | 1.72% | 1 | 11.11% | 
 | Total | 58 | 100.00% | 9 | 100.00% | 
static const struct net_device_ops lbs_netdev_ops = {
	.ndo_open 		= lbs_dev_open,
	.ndo_stop		= lbs_eth_stop,
	.ndo_start_xmit		= lbs_hard_start_xmit,
	.ndo_set_mac_address	= lbs_set_mac_address,
	.ndo_set_rx_mode	= lbs_set_multicast_list,
	.ndo_change_mtu		= eth_change_mtu,
	.ndo_validate_addr	= eth_validate_addr,
};
/**
 * lbs_add_card - adds the card. It will probe the
 * card, allocate the lbs_priv and initialize the device.
 *
 * @card:       A pointer to card
 * @dmdev:      A pointer to &struct device
 * returns:     A pointer to &struct lbs_private structure
 */
struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
{
	struct net_device *dev;
	struct wireless_dev *wdev;
	struct lbs_private *priv = NULL;
	lbs_deb_enter(LBS_DEB_MAIN);
	/* Allocate an Ethernet device and register it */
	wdev = lbs_cfg_alloc(dmdev);
	if (IS_ERR(wdev)) {
		pr_err("cfg80211 init failed\n");
		goto done;
	}
	wdev->iftype = NL80211_IFTYPE_STATION;
	priv = wdev_priv(wdev);
	priv->wdev = wdev;
	if (lbs_init_adapter(priv)) {
		pr_err("failed to initialize adapter structure\n");
		goto err_wdev;
	}
	dev = alloc_netdev(0, "wlan%d", NET_NAME_UNKNOWN, ether_setup);
	if (!dev) {
		dev_err(dmdev, "no memory for network device instance\n");
		goto err_adapter;
	}
	dev->ieee80211_ptr = wdev;
	dev->ml_priv = priv;
	SET_NETDEV_DEV(dev, dmdev);
	wdev->netdev = dev;
	priv->dev = dev;
 	dev->netdev_ops = &lbs_netdev_ops;
	dev->watchdog_timeo = 5 * HZ;
	dev->ethtool_ops = &lbs_ethtool_ops;
	dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
	priv->card = card;
	strcpy(dev->name, "wlan%d");
	lbs_deb_thread("Starting main thread...\n");
	init_waitqueue_head(&priv->waitq);
	priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main");
	if (IS_ERR(priv->main_thread)) {
		lbs_deb_thread("Error creating main thread.\n");
		goto err_ndev;
	}
	priv->work_thread = create_singlethread_workqueue("lbs_worker");
	INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker);
	priv->wol_criteria = EHS_REMOVE_WAKEUP;
	priv->wol_gpio = 0xff;
	priv->wol_gap = 20;
	priv->ehs_remove_supported = true;
	goto done;
 err_ndev:
	free_netdev(dev);
 err_adapter:
	lbs_free_adapter(priv);
 err_wdev:
	lbs_cfg_free(priv);
	priv = NULL;
done:
	lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv);
	return priv;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 221 | 65.97% | 7 | 35.00% | 
| david woodhouse | david woodhouse | 31 | 9.25% | 3 | 15.00% | 
| dan williams | dan williams | 30 | 8.96% | 2 | 10.00% | 
| marcelo tosatti | marcelo tosatti | 14 | 4.18% | 1 | 5.00% | 
| luis carlos cobo rus | luis carlos cobo rus | 9 | 2.69% | 1 | 5.00% | 
| bing zhao | bing zhao | 7 | 2.09% | 1 | 5.00% | 
| deepak saxena | deepak saxena | 7 | 2.09% | 1 | 5.00% | 
| amitkumar karwar | amitkumar karwar | 6 | 1.79% | 1 | 5.00% | 
| kiran divekar | kiran divekar | 5 | 1.49% | 1 | 5.00% | 
| joe perches | joe perches | 3 | 0.90% | 1 | 5.00% | 
| tom gundersen | tom gundersen | 2 | 0.60% | 1 | 5.00% | 
 | Total | 335 | 100.00% | 20 | 100.00% | 
EXPORT_SYMBOL_GPL(lbs_add_card);
void lbs_remove_card(struct lbs_private *priv)
{
	struct net_device *dev = priv->dev;
	lbs_deb_enter(LBS_DEB_MAIN);
	lbs_remove_mesh(priv);
	if (priv->wiphy_registered)
		lbs_scan_deinit(priv);
	lbs_wait_for_firmware_load(priv);
	/* worker thread destruction blocks on the in-flight command which
         * should have been cleared already in lbs_stop_card().
         */
	lbs_deb_main("destroying worker thread\n");
	destroy_workqueue(priv->work_thread);
	lbs_deb_main("done destroying worker thread\n");
	if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
		priv->psmode = LBS802_11POWERMODECAM;
		/* no need to wakeup if already woken up,
                 * on suspend, this exit ps command is not processed
                 * the driver hangs
                 */
		if (priv->psstate != PS_STATE_FULL_POWER)
			lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, true);
	}
	if (priv->is_deep_sleep) {
		priv->is_deep_sleep = 0;
		wake_up_interruptible(&priv->ds_awake_q);
	}
	priv->is_host_sleep_configured = 0;
	priv->is_host_sleep_activated = 0;
	wake_up_interruptible(&priv->host_sleep_q);
	/* Stop the thread servicing the interrupts */
	priv->surpriseremoved = 1;
	kthread_stop(priv->main_thread);
	lbs_free_adapter(priv);
	lbs_cfg_free(priv);
	free_netdev(dev);
	lbs_deb_leave(LBS_DEB_MAIN);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 54 | 31.21% | 6 | 33.33% | 
| dan williams | dan williams | 53 | 30.64% | 3 | 16.67% | 
| amitkumar karwar | amitkumar karwar | 20 | 11.56% | 1 | 5.56% | 
| marcelo tosatti | marcelo tosatti | 13 | 7.51% | 1 | 5.56% | 
| daniel drake | daniel drake | 11 | 6.36% | 2 | 11.11% | 
| luis carlos cobo rus | luis carlos cobo rus | 10 | 5.78% | 1 | 5.56% | 
| andreas kemnade | andreas kemnade | 9 | 5.20% | 1 | 5.56% | 
| david woodhouse | david woodhouse | 1 | 0.58% | 1 | 5.56% | 
| kiran divekar | kiran divekar | 1 | 0.58% | 1 | 5.56% | 
| julia lawall | julia lawall | 1 | 0.58% | 1 | 5.56% | 
 | Total | 173 | 100.00% | 18 | 100.00% | 
EXPORT_SYMBOL_GPL(lbs_remove_card);
int lbs_rtap_supported(struct lbs_private *priv)
{
	if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5)
		return 1;
	/* newer firmware use a capability mask */
	return ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) &&
		(priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK));
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 47 | 100.00% | 1 | 100.00% | 
 | Total | 47 | 100.00% | 1 | 100.00% | 
int lbs_start_card(struct lbs_private *priv)
{
	struct net_device *dev = priv->dev;
	int ret = -1;
	lbs_deb_enter(LBS_DEB_MAIN);
	/* poke the firmware */
	ret = lbs_setup_firmware(priv);
	if (ret)
		goto done;
	if (!lbs_disablemesh)
		lbs_init_mesh(priv);
	else
		pr_info("%s: mesh disabled\n", dev->name);
	ret = lbs_cfg_register(priv);
	if (ret) {
		pr_err("cannot register device\n");
		goto done;
	}
	if (lbs_mesh_activated(priv))
		lbs_start_mesh(priv);
	lbs_debugfs_init_one(priv, dev);
	netdev_info(dev, "Marvell WLAN 802.11 adapter\n");
	ret = 0;
done:
	lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 50 | 38.46% | 6 | 42.86% | 
| daniel drake | daniel drake | 20 | 15.38% | 1 | 7.14% | 
| dan williams | dan williams | 19 | 14.62% | 1 | 7.14% | 
| luis carlos cobo rus | luis carlos cobo rus | 16 | 12.31% | 1 | 7.14% | 
| marcelo tosatti | marcelo tosatti | 9 | 6.92% | 1 | 7.14% | 
| dan carpenter | dan carpenter | 6 | 4.62% | 1 | 7.14% | 
| sascha silbe | sascha silbe | 6 | 4.62% | 1 | 7.14% | 
| joe perches | joe perches | 4 | 3.08% | 2 | 14.29% | 
 | Total | 130 | 100.00% | 14 | 100.00% | 
EXPORT_SYMBOL_GPL(lbs_start_card);
void lbs_stop_card(struct lbs_private *priv)
{
	struct net_device *dev;
	lbs_deb_enter(LBS_DEB_MAIN);
	if (!priv)
		goto out;
	dev = priv->dev;
	/* If the netdev isn't registered, it means that lbs_start_card() was
         * never called so we have nothing to do here. */
	if (dev->reg_state != NETREG_REGISTERED)
		goto out;
	netif_stop_queue(dev);
	netif_carrier_off(dev);
	lbs_debugfs_remove_one(priv);
	lbs_deinit_mesh(priv);
	unregister_netdev(dev);
out:
	lbs_deb_leave(LBS_DEB_MAIN);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 49 | 62.82% | 6 | 60.00% | 
| luis carlos cobo rus | luis carlos cobo rus | 12 | 15.38% | 1 | 10.00% | 
| daniel drake | daniel drake | 12 | 15.38% | 1 | 10.00% | 
| david woodhouse | david woodhouse | 4 | 5.13% | 1 | 10.00% | 
| dan williams | dan williams | 1 | 1.28% | 1 | 10.00% | 
 | Total | 78 | 100.00% | 10 | 100.00% | 
EXPORT_SYMBOL_GPL(lbs_stop_card);
void lbs_queue_event(struct lbs_private *priv, u32 event)
{
	unsigned long flags;
	lbs_deb_enter(LBS_DEB_THREAD);
	spin_lock_irqsave(&priv->driver_lock, flags);
	if (priv->psstate == PS_STATE_SLEEP)
		priv->psstate = PS_STATE_AWAKE;
	kfifo_in(&priv->event_fifo, (unsigned char *) &event, sizeof(u32));
	wake_up(&priv->waitq);
	spin_unlock_irqrestore(&priv->driver_lock, flags);
	lbs_deb_leave(LBS_DEB_THREAD);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 74 | 82.22% | 3 | 37.50% | 
| luis carlos cobo rus | luis carlos cobo rus | 9 | 10.00% | 1 | 12.50% | 
| david woodhouse | david woodhouse | 4 | 4.44% | 1 | 12.50% | 
| stefani seibold | stefani seibold | 2 | 2.22% | 2 | 25.00% | 
| daniel drake | daniel drake | 1 | 1.11% | 1 | 12.50% | 
 | Total | 90 | 100.00% | 8 | 100.00% | 
EXPORT_SYMBOL_GPL(lbs_queue_event);
void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx)
{
	lbs_deb_enter(LBS_DEB_THREAD);
	if (priv->psstate == PS_STATE_SLEEP)
		priv->psstate = PS_STATE_AWAKE;
	/* Swap buffers by flipping the response index */
	BUG_ON(resp_idx > 1);
	priv->resp_idx = resp_idx;
	wake_up(&priv->waitq);
	lbs_deb_leave(LBS_DEB_THREAD);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 37 | 62.71% | 3 | 37.50% | 
| luis carlos cobo rus | luis carlos cobo rus | 8 | 13.56% | 1 | 12.50% | 
| david woodhouse | david woodhouse | 7 | 11.86% | 1 | 12.50% | 
| marcelo tosatti | marcelo tosatti | 4 | 6.78% | 1 | 12.50% | 
| javier cardona | javier cardona | 2 | 3.39% | 1 | 12.50% | 
| daniel drake | daniel drake | 1 | 1.69% | 1 | 12.50% | 
 | Total | 59 | 100.00% | 8 | 100.00% | 
EXPORT_SYMBOL_GPL(lbs_notify_command_response);
static int __init lbs_init_module(void)
{
	lbs_deb_enter(LBS_DEB_MAIN);
	memset(&confirm_sleep, 0, sizeof(confirm_sleep));
	confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE);
	confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep));
	confirm_sleep.action = cpu_to_le16(PS_MODE_ACTION_SLEEP_CONFIRMED);
	lbs_debugfs_init();
	lbs_deb_leave(LBS_DEB_MAIN);
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 52 | 72.22% | 3 | 42.86% | 
| luis carlos cobo rus | luis carlos cobo rus | 10 | 13.89% | 1 | 14.29% | 
| marcelo tosatti | marcelo tosatti | 8 | 11.11% | 1 | 14.29% | 
| andres salomon | andres salomon | 1 | 1.39% | 1 | 14.29% | 
| dan williams | dan williams | 1 | 1.39% | 1 | 14.29% | 
 | Total | 72 | 100.00% | 7 | 100.00% | 
static void __exit lbs_exit_module(void)
{
	lbs_deb_enter(LBS_DEB_MAIN);
	lbs_debugfs_remove();
	lbs_deb_leave(LBS_DEB_MAIN);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| luis carlos cobo rus | luis carlos cobo rus | 12 | 54.55% | 1 | 25.00% | 
| marcelo tosatti | marcelo tosatti | 7 | 31.82% | 1 | 25.00% | 
| holger schurig | holger schurig | 2 | 9.09% | 1 | 25.00% | 
| andres salomon | andres salomon | 1 | 4.55% | 1 | 25.00% | 
 | Total | 22 | 100.00% | 4 | 100.00% | 
module_init(lbs_init_module);
module_exit(lbs_exit_module);
MODULE_DESCRIPTION("Libertas WLAN Driver Library");
MODULE_AUTHOR("Marvell International Ltd.");
MODULE_LICENSE("GPL");
Overall Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| holger schurig | holger schurig | 2305 | 46.19% | 25 | 22.73% | 
| daniel drake | daniel drake | 888 | 17.80% | 12 | 10.91% | 
| dan williams | dan williams | 319 | 6.39% | 14 | 12.73% | 
| marcelo tosatti | marcelo tosatti | 315 | 6.31% | 2 | 1.82% | 
| david woodhouse | david woodhouse | 299 | 5.99% | 16 | 14.55% | 
| amitkumar karwar | amitkumar karwar | 294 | 5.89% | 5 | 4.55% | 
| luis carlos cobo rus | luis carlos cobo rus | 161 | 3.23% | 3 | 2.73% | 
| vasily khoruzhick | vasily khoruzhick | 137 | 2.75% | 1 | 0.91% | 
| kiran divekar | kiran divekar | 46 | 0.92% | 3 | 2.73% | 
| joe perches | joe perches | 40 | 0.80% | 3 | 2.73% | 
| anna neal | anna neal | 35 | 0.70% | 1 | 0.91% | 
| jiri pirko | jiri pirko | 32 | 0.64% | 3 | 2.73% | 
| sascha silbe | sascha silbe | 26 | 0.52% | 1 | 0.91% | 
| stefani seibold | stefani seibold | 25 | 0.50% | 4 | 3.64% | 
| randy dunlap | randy dunlap | 13 | 0.26% | 1 | 0.91% | 
| andreas kemnade | andreas kemnade | 9 | 0.18% | 1 | 0.91% | 
| bing zhao | bing zhao | 7 | 0.14% | 1 | 0.91% | 
| deepak saxena | deepak saxena | 7 | 0.14% | 1 | 0.91% | 
| dan carpenter | dan carpenter | 6 | 0.12% | 1 | 0.91% | 
| brajesh dave | brajesh dave | 4 | 0.08% | 1 | 0.91% | 
| alexey dobriyan | alexey dobriyan | 3 | 0.06% | 1 | 0.91% | 
| tejun heo | tejun heo | 3 | 0.06% | 1 | 0.91% | 
| andres salomon | andres salomon | 3 | 0.06% | 2 | 1.82% | 
| brian cavagnolo | brian cavagnolo | 3 | 0.06% | 1 | 0.91% | 
| javier cardona | javier cardona | 3 | 0.06% | 1 | 0.91% | 
| tom gundersen | tom gundersen | 2 | 0.04% | 1 | 0.91% | 
| wang chen | wang chen | 2 | 0.04% | 1 | 0.91% | 
| paul gortmaker | paul gortmaker | 1 | 0.02% | 1 | 0.91% | 
| julia lawall | julia lawall | 1 | 0.02% | 1 | 0.91% | 
| daniel mack | daniel mack | 1 | 0.02% | 1 | 0.91% | 
 | Total | 4990 | 100.00% | 110 | 100.00% |