Release 4.11 drivers/staging/wilc1000/linux_wlan.c

#include "wilc_wfi_cfgoperations.h"
#include "wilc_wlan_if.h"
#include "wilc_wlan.h"

#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/gpio.h>

#include <linux/kthread.h>
#include <linux/firmware.h>

#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/inetdevice.h>
#include <linux/etherdevice.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/mutex.h>
#include <linux/completion.h>

static int dev_state_ev_handler(struct notifier_block *this,
				unsigned long event, void *ptr);


static struct notifier_block g_dev_notifier = {
	.notifier_call = dev_state_ev_handler
};

static int wlan_deinit_locks(struct net_device *dev);
static void wlan_deinitialize_threads(struct net_device *dev);

static void linux_wlan_tx_complete(void *priv, int status);
static int  mac_init_fn(struct net_device *ndev);
static struct net_device_stats *mac_stats(struct net_device *dev);
static int  mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd);
static int wilc_mac_open(struct net_device *ndev);
static int wilc_mac_close(struct net_device *ndev);
static void wilc_set_multicast_list(struct net_device *dev);


bool wilc_enable_ps = true;


static const struct net_device_ops wilc_netdev_ops = {
	.ndo_init = mac_init_fn,
	.ndo_open = wilc_mac_open,
	.ndo_stop = wilc_mac_close,
	.ndo_start_xmit = wilc_mac_xmit,
	.ndo_do_ioctl = mac_ioctl,
	.ndo_get_stats = mac_stats,
	.ndo_set_rx_mode  = wilc_set_multicast_list,

};



static int dev_state_ev_handler(struct notifier_block *this,
				unsigned long event, void *ptr)
{
	struct in_ifaddr *dev_iface = ptr;
	struct wilc_priv *priv;
	struct host_if_drv *hif_drv;
	struct net_device *dev;
	u8 *ip_addr_buf;
	struct wilc_vif *vif;
	u8 null_ip[4] = {0};
	char wlan_dev_name[5] = "wlan0";

	if (!dev_iface || !dev_iface->ifa_dev || !dev_iface->ifa_dev->dev)
		return NOTIFY_DONE;

	if (memcmp(dev_iface->ifa_label, "wlan0", 5) &&
	    memcmp(dev_iface->ifa_label, "p2p0", 4))
		return NOTIFY_DONE;

	dev  = (struct net_device *)dev_iface->ifa_dev->dev;
	if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
		return NOTIFY_DONE;

	priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
	if (!priv)
		return NOTIFY_DONE;

	hif_drv = (struct host_if_drv *)priv->hif_drv;
	vif = netdev_priv(dev);
	if (!vif || !hif_drv)
		return NOTIFY_DONE;

	switch (event) {
	case NETDEV_UP:
		if (vif->iftype == STATION_MODE || vif->iftype == CLIENT_MODE) {
			hif_drv->IFC_UP = 1;
			wilc_optaining_ip = false;
			del_timer(&wilc_during_ip_timer);
		}

		if (wilc_enable_ps)
			wilc_set_power_mgmt(vif, 1, 0);

		netdev_dbg(dev, "[%s] Up IP\n", dev_iface->ifa_label);

		ip_addr_buf = (char *)&dev_iface->ifa_address;
		netdev_dbg(dev, "IP add=%d:%d:%d:%d\n",
			   ip_addr_buf[0], ip_addr_buf[1],
			   ip_addr_buf[2], ip_addr_buf[3]);
		wilc_setup_ipaddress(vif, ip_addr_buf, vif->idx);

		break;

	case NETDEV_DOWN:
		if (vif->iftype == STATION_MODE || vif->iftype == CLIENT_MODE) {
			hif_drv->IFC_UP = 0;
			wilc_optaining_ip = false;
		}

		if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0)
			wilc_set_power_mgmt(vif, 0, 0);

		wilc_resolve_disconnect_aberration(vif);

		netdev_dbg(dev, "[%s] Down IP\n", dev_iface->ifa_label);

		ip_addr_buf = null_ip;
		netdev_dbg(dev, "IP add=%d:%d:%d:%d\n",
			   ip_addr_buf[0], ip_addr_buf[1],
			   ip_addr_buf[2], ip_addr_buf[3]);

		wilc_setup_ipaddress(vif, ip_addr_buf, vif->idx);

		break;

	default:
		break;
	}

	return NOTIFY_DONE;
}

Contributors
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Johnny Kim
347
81.65%
1
6.25%
Leo Kim
41
9.65%
7
43.75%
Glen Lee
20
4.71%
2
12.50%
Arnd Bergmann
9
2.12%
1
6.25%
Greg Kroah-Hartman
3
0.71%
2
12.50%
Dean Lee
2
0.47%
1
6.25%
Chandra S Gorentla
2
0.47%
1
6.25%
Chaehyun Lim
1
0.24%
1
6.25%
Total
425
100.00%
16
100.00%



static irqreturn_t isr_uh_routine(int irq, void *user_data)
{
	struct wilc_vif *vif;
	struct wilc *wilc;
	struct net_device *dev = user_data;

	vif = netdev_priv(dev);
	wilc = vif->wilc;

	if (wilc->close) {
		netdev_err(dev, "Can't handle UH interrupt\n");
		return IRQ_HANDLED;
	}
	return IRQ_WAKE_THREAD;
}

Contributors
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Glen Lee
31
48.44%
2
50.00%
Johnny Kim
29
45.31%
1
25.00%
Leo Kim
4
6.25%
1
25.00%
Total
64
100.00%
4
100.00%



static irqreturn_t isr_bh_routine(int irq, void *userdata)
{
	struct wilc_vif *vif;
	struct wilc *wilc;
	struct net_device *dev = userdata;

	vif = netdev_priv(userdata);
	wilc = vif->wilc;

	if (wilc->close) {
		netdev_err(dev, "Can't handle BH interrupt\n");
		return IRQ_HANDLED;
	}

	wilc_handle_isr(wilc);

	return IRQ_HANDLED;
}

Contributors
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CommitProp
Johnny Kim
29
42.03%
1
14.29%
Glen Lee
28
40.58%
4
57.14%
Leo Kim
11
15.94%
1
14.29%
Arnd Bergmann
1
1.45%
1
14.29%
Total
69
100.00%
7
100.00%



static int init_irq(struct net_device *dev)
{
	int ret = 0;
	struct wilc_vif *vif;
	struct wilc *wl;

	vif = netdev_priv(dev);
	wl = vif->wilc;

	if ((gpio_request(wl->gpio, "WILC_INTR") == 0) &&
	    (gpio_direction_input(wl->gpio) == 0)) {
		wl->dev_irq_num = gpio_to_irq(wl->gpio);
	} else {
		ret = -1;
		netdev_err(dev, "could not obtain gpio for WILC_INTR\n");
	}

	if (ret != -1 && request_threaded_irq(wl->dev_irq_num,
					      isr_uh_routine,
					      isr_bh_routine,
					      IRQF_TRIGGER_LOW | IRQF_ONESHOT,
					      "WILC_IRQ", dev) < 0) {
		netdev_err(dev, "Failed to request IRQ GPIO: %d\n", wl->gpio);
		gpio_free(wl->gpio);
		ret = -1;
	} else {
		netdev_dbg(dev,
			   "IRQ request succeeded IRQ-NUM= %d on GPIO: %d\n",
			   wl->dev_irq_num, wl->gpio);
	}

	return ret;
}

Contributors
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CommitProp
Johnny Kim
108
64.67%
1
14.29%
Glen Lee
25
14.97%
3
42.86%
Arnd Bergmann
22
13.17%
1
14.29%
Leo Kim
9
5.39%
1
14.29%
Tony Cho
3
1.80%
1
14.29%
Total
167
100.00%
7
100.00%



static void deinit_irq(struct net_device *dev)
{
	struct wilc_vif *vif;
	struct wilc *wilc;

	vif = netdev_priv(dev);
	wilc = vif->wilc;

	/* Deinitialize IRQ */
	if (wilc->dev_irq_num) {
		free_irq(wilc->dev_irq_num, wilc);
		gpio_free(wilc->gpio);
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Glen Lee
28
47.46%
2
33.33%
Johnny Kim
26
44.07%
1
16.67%
Arnd Bergmann
3
5.08%
1
16.67%
Masahiro Yamada
1
1.69%
1
16.67%
Tony Cho
1
1.69%
1
16.67%
Total
59
100.00%
6
100.00%



void wilc_mac_indicate(struct wilc *wilc, int flag)
{
	int status;

	if (flag == WILC_MAC_INDICATE_STATUS) {
		wilc_wlan_cfg_get_val(WID_STATUS,
				      (unsigned char *)&status, 4);
		if (wilc->mac_status == WILC_MAC_STATUS_INIT) {
			wilc->mac_status = status;
			complete(&wilc->sync_event);
		} else {
			wilc->mac_status = status;
		}
	}
}

Contributors
Person
Tokens
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Commits
CommitProp
Johnny Kim
60
83.33%
1
20.00%
Glen Lee
10
13.89%
2
40.00%
Binoy Jayan
1
1.39%
1
20.00%
Arnd Bergmann
1
1.39%
1
20.00%
Total
72
100.00%
5
100.00%



static struct net_device *get_if_handler(struct wilc *wilc, u8 *mac_header)
{
	u8 *bssid, *bssid1;
	int i = 0;

	bssid = mac_header + 10;
	bssid1 = mac_header + 4;

	for (i = 0; i < wilc->vif_num; i++) {
		if (wilc->vif[i]->mode == STATION_MODE)
			if (ether_addr_equal_unaligned(bssid,
						       wilc->vif[i]->bssid))
				return wilc->vif[i]->ndev;
		if (wilc->vif[i]->mode == AP_MODE)
			if (ether_addr_equal_unaligned(bssid1,
						       wilc->vif[i]->bssid))
				return wilc->vif[i]->ndev;
	}

	return NULL;
}

Contributors
Person
Tokens
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CommitProp
Johnny Kim
81
58.27%
1
6.67%
Glen Lee
33
23.74%
3
20.00%
Leo Kim
11
7.91%
5
33.33%
Tony Cho
11
7.91%
4
26.67%
Chaehyun Lim
2
1.44%
1
6.67%
Arnd Bergmann
1
0.72%
1
6.67%
Total
139
100.00%
15
100.00%



int wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode)
{
	struct wilc_vif *vif = netdev_priv(wilc_netdev);

	memcpy(vif->bssid, bssid, 6);
	vif->mode = mode;

	return 0;
}

Contributors
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Johnny Kim
20
42.55%
1
9.09%
Glen Lee
18
38.30%
4
36.36%
Arnd Bergmann
4
8.51%
2
18.18%
Leo Kim
2
4.26%
1
9.09%
Tony Cho
2
4.26%
2
18.18%
Chaehyun Lim
1
2.13%
1
9.09%
Total
47
100.00%
11
100.00%



int wilc_wlan_get_num_conn_ifcs(struct wilc *wilc)
{
	u8 i = 0;
	u8 null_bssid[6] = {0};
	u8 ret_val = 0;

	for (i = 0; i < wilc->vif_num; i++)
		if (memcmp(wilc->vif[i]->bssid, null_bssid, 6))
			ret_val++;

	return ret_val;
}

Contributors
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CommitProp
Johnny Kim
55
79.71%
1
12.50%
Arnd Bergmann
7
10.14%
2
25.00%
Tony Cho
3
4.35%
3
37.50%
Chaehyun Lim
3
4.35%
1
12.50%
Glen Lee
1
1.45%
1
12.50%
Total
69
100.00%
8
100.00%



static int linux_wlan_txq_task(void *vp)
{
	int ret, txq_count;
	struct wilc_vif *vif;
	struct wilc *wl;
	struct net_device *dev = vp;

	vif = netdev_priv(dev);
	wl = vif->wilc;

	complete(&wl->txq_thread_started);
	while (1) {
		wait_for_completion(&wl->txq_event);

		if (wl->close) {
			complete(&wl->txq_thread_started);

			while (!kthread_should_stop())
				schedule();
			break;
		}
		do {
			ret = wilc_wlan_handle_txq(dev, &txq_count);
			if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD) {
				if (netif_queue_stopped(wl->vif[0]->ndev))
					netif_wake_queue(wl->vif[0]->ndev);
				if (netif_queue_stopped(wl->vif[1]->ndev))
					netif_wake_queue(wl->vif[1]->ndev);
			}
		} while (ret == WILC_TX_ERR_NO_BUF && !wl->close);
	}
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
124
68.51%
1
10.00%
Glen Lee
46
25.41%
5
50.00%
Tony Cho
8
4.42%
2
20.00%
Leo Kim
2
1.10%
1
10.00%
Binoy Jayan
1
0.55%
1
10.00%
Total
181
100.00%
10
100.00%



int wilc_wlan_get_firmware(struct net_device *dev)
{
	struct wilc_vif *vif;
	struct wilc *wilc;
	int chip_id, ret = 0;
	const struct firmware *wilc_firmware;
	char *firmware;

	vif = netdev_priv(dev);
	wilc = vif->wilc;

	chip_id = wilc_get_chipid(wilc, false);

	if (chip_id < 0x1003a0)
		firmware = FIRMWARE_1002;
	else
		firmware = FIRMWARE_1003;

	netdev_info(dev, "loading firmware %s\n", firmware);

	if (!(&vif->ndev->dev))
		goto _fail_;

	if (request_firmware(&wilc_firmware, firmware, wilc->dev) != 0) {
		netdev_err(dev, "%s - firmware not available\n", firmware);
		ret = -1;
		goto _fail_;
	}
	wilc->firmware = wilc_firmware;

_fail_:

	return ret;
}

Contributors
Person
Tokens
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CommitProp
Johnny Kim
85
59.03%
1
9.09%
Glen Lee
49
34.03%
4
36.36%
Leo Kim
6
4.17%
2
18.18%
Chris Park
1
0.69%
1
9.09%
Arnd Bergmann
1
0.69%
1
9.09%
Julia Lawall
1
0.69%
1
9.09%
Tony Cho
1
0.69%
1
9.09%
Total
144
100.00%
11
100.00%



static int linux_wlan_start_firmware(struct net_device *dev)
{
	struct wilc_vif *vif;
	struct wilc *wilc;
	int ret = 0;

	vif = netdev_priv(dev);
	wilc = vif->wilc;

	ret = wilc_wlan_start(wilc);
	if (ret < 0)
		return ret;

	if (!wait_for_completion_timeout(&wilc->sync_event,
					 msecs_to_jiffies(5000)))
		return -ETIME;

	return 0;
}

Contributors
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CommitProp
Johnny Kim
32
41.03%
1
14.29%
Glen Lee
28
35.90%
3
42.86%
Binoy Jayan
9
11.54%
1
14.29%
Leo Kim
6
7.69%
1
14.29%
Arnd Bergmann
3
3.85%
1
14.29%
Total
78
100.00%
7
100.00%



static int wilc1000_firmware_download(struct net_device *dev)
{
	struct wilc_vif *vif;
	struct wilc *wilc;
	int ret = 0;

	vif = netdev_priv(dev);
	wilc = vif->wilc;

	if (!wilc->firmware) {
		netdev_err(dev, "Firmware buffer is NULL\n");
		return -ENOBUFS;
	}

	ret = wilc_wlan_firmware_download(wilc, wilc->firmware->data,
					  wilc->firmware->size);
	if (ret < 0)
		return ret;

	release_firmware(wilc->firmware);
	wilc->firmware = NULL;

	netdev_dbg(dev, "Download Succeeded\n");

	return 0;
}

Contributors
Person
Tokens
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CommitProp
Johnny Kim
53
48.18%
1
9.09%
Glen Lee
36
32.73%
4
36.36%
Leo Kim
11
10.00%
2
18.18%
Tony Cho
6
5.45%
2
18.18%
Arnd Bergmann
3
2.73%
1
9.09%
Chandra S Gorentla
1
0.91%
1
9.09%
Total
110
100.00%
11
100.00%



static int linux_wlan_init_test_config(struct net_device *dev,
				       struct wilc_vif *vif)
{
	unsigned char c_val[64];
	struct wilc *wilc = vif->wilc;
	struct wilc_priv *priv;
	struct host_if_drv *hif_drv;

	netdev_dbg(dev, "Start configuring Firmware\n");
	priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
	hif_drv = (struct host_if_drv *)priv->hif_drv;
	netdev_dbg(dev, "Host = %p\n", hif_drv);
	wilc_get_chipid(wilc, false);

	*(int *)c_val = 1;

	if (!wilc_wlan_cfg_set(vif, 1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0))
		goto _fail_;

	c_val[0] = 0;
	if (!wilc_wlan_cfg_set(vif, 0, WID_PC_TEST_MODE, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = INFRASTRUCTURE;
	if (!wilc_wlan_cfg_set(vif, 0, WID_BSS_TYPE, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = RATE_AUTO;
	if (!wilc_wlan_cfg_set(vif, 0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = G_MIXED_11B_2_MODE;
	if (!wilc_wlan_cfg_set(vif, 0, WID_11G_OPERATING_MODE, c_val, 1, 0,
			       0))
		goto _fail_;

	c_val[0] = 1;
	if (!wilc_wlan_cfg_set(vif, 0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = G_SHORT_PREAMBLE;
	if (!wilc_wlan_cfg_set(vif, 0, WID_PREAMBLE, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = AUTO_PROT;
	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_PROT_MECH, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = ACTIVE_SCAN;
	if (!wilc_wlan_cfg_set(vif, 0, WID_SCAN_TYPE, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = SITE_SURVEY_OFF;
	if (!wilc_wlan_cfg_set(vif, 0, WID_SITE_SURVEY, c_val, 1, 0, 0))
		goto _fail_;

	*((int *)c_val) = 0xffff;
	if (!wilc_wlan_cfg_set(vif, 0, WID_RTS_THRESHOLD, c_val, 2, 0, 0))
		goto _fail_;

	*((int *)c_val) = 2346;
	if (!wilc_wlan_cfg_set(vif, 0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0))
		goto _fail_;

	c_val[0] = 0;
	if (!wilc_wlan_cfg_set(vif, 0, WID_BCAST_SSID, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = 1;
	if (!wilc_wlan_cfg_set(vif, 0, WID_QOS_ENABLE, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = NO_POWERSAVE;
	if (!wilc_wlan_cfg_set(vif, 0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = NO_SECURITY; /* NO_ENCRYPT, 0x79 */
	if (!wilc_wlan_cfg_set(vif, 0, WID_11I_MODE, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = OPEN_SYSTEM;
	if (!wilc_wlan_cfg_set(vif, 0, WID_AUTH_TYPE, c_val, 1, 0, 0))
		goto _fail_;

	strcpy(c_val, "123456790abcdef1234567890");
	if (!wilc_wlan_cfg_set(vif, 0, WID_WEP_KEY_VALUE, c_val,
			       (strlen(c_val) + 1), 0, 0))
		goto _fail_;

	strcpy(c_val, "12345678");
	if (!wilc_wlan_cfg_set(vif, 0, WID_11I_PSK, c_val, (strlen(c_val)), 0,
			       0))
		goto _fail_;

	strcpy(c_val, "password");
	if (!wilc_wlan_cfg_set(vif, 0, WID_1X_KEY, c_val, (strlen(c_val) + 1),
			       0, 0))
		goto _fail_;

	c_val[0] = 192;
	c_val[1] = 168;
	c_val[2] = 1;
	c_val[3] = 112;
	if (!wilc_wlan_cfg_set(vif, 0, WID_1X_SERV_ADDR, c_val, 4, 0, 0))
		goto _fail_;

	c_val[0] = 3;
	if (!wilc_wlan_cfg_set(vif, 0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = 3;
	if (!wilc_wlan_cfg_set(vif, 0, WID_DTIM_PERIOD, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = NORMAL_ACK;
	if (!wilc_wlan_cfg_set(vif, 0, WID_ACK_POLICY, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = 0;
	if (!wilc_wlan_cfg_set(vif, 0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1,
			       0, 0))
		goto _fail_;

	c_val[0] = 48;
	if (!wilc_wlan_cfg_set(vif, 0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0,
			       0))
		goto _fail_;

	c_val[0] = 28;
	if (!wilc_wlan_cfg_set(vif, 0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0,
			       0))
		goto _fail_;

	*((int *)c_val) = 100;
	if (!wilc_wlan_cfg_set(vif, 0, WID_BEACON_INTERVAL, c_val, 2, 0, 0))
		goto _fail_;

	c_val[0] = REKEY_DISABLE;
	if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_POLICY, c_val, 1, 0, 0))
		goto _fail_;

	*((int *)c_val) = 84600;
	if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_PERIOD, c_val, 4, 0, 0))
		goto _fail_;

	*((int *)c_val) = 500;
	if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_PACKET_COUNT, c_val, 4, 0,
			       0))
		goto _fail_;

	c_val[0] = 1;
	if (!wilc_wlan_cfg_set(vif, 0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0,
			       0))
		goto _fail_;

	c_val[0] = G_SELF_CTS_PROT;
	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = 1;
	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_ENABLE, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = HT_MIXED_MODE;
	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_OPERATING_MODE, c_val, 1, 0,
			       0))
		goto _fail_;

	c_val[0] = 1;
	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0,
			       0))
		goto _fail_;

	c_val[0] = DETECT_PROTECT_REPORT;
	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1,
			       0, 0))
		goto _fail_;

	c_val[0] = RTS_CTS_NONHT_PROT;
	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = 0;
	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0,
			       0))
		goto _fail_;

	c_val[0] = MIMO_MODE;
	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_SMPS_MODE, c_val, 1, 0, 0))
		goto _fail_;

	c_val[0] = 7;
	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0,
			       0))
		goto _fail_;

	c_val[0] = 1;
	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1,
			       1, 1))
		goto _fail_;

	return 0;

_fail_:
	return -1;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
1263
89.01%
3
18.75%
Glen Lee
139
9.80%
5
31.25%
Leo Kim
12
0.85%
4
25.00%
Arnd Bergmann
2
0.14%
1
6.25%
Chris Park
1
0.07%
1
6.25%
Chaehyun Lim
1
0.07%
1
6.25%
Tony Cho
1
0.07%
1
6.25%
Total
1419
100.00%
16
100.00%



void wilc1000_wlan_deinit(struct net_device *dev)
{
	struct wilc_vif *vif;
	struct wilc *wl;

	vif = netdev_priv(dev);
	wl = vif->wilc;

	if (!wl) {
		netdev_err(dev, "wl is NULL\n");
		return;
	}

	if (wl->initialized)	{
		netdev_info(dev, "Deinitializing wilc1000...\n");

		if (!wl->dev_irq_num &&
		    wl->hif_func->disable_interrupt) {
			mutex_lock(&wl->hif_cs);
			wl->hif_func->disable_interrupt(wl);
			mutex_unlock(&wl->hif_cs);
		}
		if (&wl->txq_event)
			complete(&wl->txq_event);

		wlan_deinitialize_threads(dev);
		deinit_irq(dev);

		wilc_wlan_stop(wl);
		wilc_wlan_cleanup(dev);
		wlan_deinit_locks(dev);

		wl->initialized = false;

		netdev_dbg(dev, "wilc1000 deinitialization Done\n");
	} else {
		netdev_dbg(dev, "wilc1000 is not initialized\n");
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
75
45.18%
1
5.26%
Glen Lee
57
34.34%
10
52.63%
Arnd Bergmann
24
14.46%
3
15.79%
Leo Kim
4
2.41%
1
5.26%
Tony Cho
3
1.81%
2
10.53%
Greg Kroah-Hartman
2
1.20%
1
5.26%
Binoy Jayan
1
0.60%
1
5.26%
Total
166
100.00%
19
100.00%



static int wlan_init_locks(struct net_device *dev)
{
	struct wilc_vif *vif;
	struct wilc *wl;

	vif = netdev_priv(dev);
	wl = vif->wilc;

	mutex_init(&wl->hif_cs);
	mutex_init(&wl->rxq_cs);

	spin_lock_init(&wl->txq_spinlock);
	mutex_init(&wl->txq_add_to_head_cs);

	init_completion(&wl->txq_event);

	init_completion(&wl->cfg_event);
	init_completion(&wl->sync_event);
	init_completion(&wl->txq_thread_started);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
58
57.43%
1
8.33%
Glen Lee
33
32.67%
2
16.67%
Binoy Jayan
4
3.96%
4
33.33%
Greg Kroah-Hartman
3
2.97%
2
16.67%
Tony Cho
1
0.99%
1
8.33%
Leo Kim
1
0.99%
1
8.33%
Arnd Bergmann
1
0.99%
1
8.33%
Total
101
100.00%
12
100.00%



static int wlan_deinit_locks(struct net_device *dev)
{
	struct wilc_vif *vif;
	struct wilc *wilc;

	vif = netdev_priv(dev);
	wilc = vif->wilc;

	if (&wilc->hif_cs)
		mutex_destroy(&wilc->hif_cs);

	if (&wilc->rxq_cs)
		mutex_destroy(&wilc->rxq_cs);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
35
52.24%
1
20.00%
Glen Lee
29
43.28%
2
40.00%
Greg Kroah-Hartman
2
2.99%
1
20.00%
Tony Cho
1
1.49%
1
20.00%
Total
67
100.00%
5
100.00%



static int wlan_initialize_threads(struct net_device *dev)
{
	struct wilc_vif *vif;
	struct wilc *wilc;

	vif = netdev_priv(dev);
	wilc = vif->wilc;

	wilc->txq_thread = kthread_run(linux_wlan_txq_task, (void *)dev,
				     "K_TXQ_TASK");
	if (IS_ERR(wilc->txq_thread)) {
		netdev_err(dev, "couldn't create TXQ thread\n");
		wilc->close = 0;
		return PTR_ERR(wilc->txq_thread);
	}
	wait_for_completion(&wilc->txq_thread_started);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
43
45.74%
1
11.11%
Glen Lee
30
31.91%
3
33.33%
Leo Kim
11
11.70%
3
33.33%
Wei Yongjun
9
9.57%
1
11.11%
Arnd Bergmann
1
1.06%
1
11.11%
Total
94
100.00%
9
100.00%



static void wlan_deinitialize_threads(struct net_device *dev)
{
	struct wilc_vif *vif;
	struct wilc *wl;

	vif = netdev_priv(dev);
	wl = vif->wilc;

	wl->close = 1;

	if (&wl->txq_event)
		complete(&wl->txq_event);

	if (wl->txq_thread) {
		kthread_stop(wl->txq_thread);
		wl->txq_thread = NULL;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
43
56.58%
1
20.00%
Glen Lee
31
40.79%
2
40.00%
Binoy Jayan
1
1.32%
1
20.00%
Tony Cho
1
1.32%
1
20.00%
Total
76
100.00%
5
100.00%



int wilc1000_wlan_init(struct net_device *dev, struct wilc_vif *vif)
{
	int ret = 0;
	struct wilc *wl = vif->wilc;

	if (!wl->initialized) {
		wl->mac_status = WILC_MAC_STATUS_INIT;
		wl->close = 0;

		wlan_init_locks(dev);

		ret = wilc_wlan_init(dev);
		if (ret < 0) {
			ret = -EIO;
			goto _fail_locks_;
		}

		if (wl->gpio >= 0 && init_irq(dev)) {
			ret = -EIO;
			goto _fail_locks_;
		}

		ret = wlan_initialize_threads(dev);
		if (ret < 0) {
			ret = -EIO;
			goto _fail_wilc_wlan_;
		}

		if (!wl->dev_irq_num &&
		    wl->hif_func->enable_interrupt &&
		    wl->hif_func->enable_interrupt(wl)) {
			ret = -EIO;
			goto _fail_irq_init_;
		}

		if (wilc_wlan_get_firmware(dev)) {
			ret = -EIO;
			goto _fail_irq_enable_;
		}

		ret = wilc1000_firmware_download(dev);
		if (ret < 0) {
			ret = -EIO;
			goto _fail_irq_enable_;
		}

		ret = linux_wlan_start_firmware(dev);
		if (ret < 0) {
			ret = -EIO;
			goto _fail_irq_enable_;
		}

		if (wilc_wlan_cfg_get(vif, 1, WID_FIRMWARE_VERSION, 1, 0)) {
			int size;
			char firmware_ver[20];

			size = wilc_wlan_cfg_get_val(WID_FIRMWARE_VERSION,
						     firmware_ver,
						     sizeof(firmware_ver));
			firmware_ver[size] = '\0';
			netdev_dbg(dev, "Firmware Ver = %s\n", firmware_ver);
		}
		ret = linux_wlan_init_test_config(dev, vif);

		if (ret < 0) {
			netdev_err(dev, "Failed to configure firmware\n");
			ret = -EIO;
			goto _fail_fw_start_;
		}

		wl->initialized = true;
		return 0;

_fail_fw_start_:
		wilc_wlan_stop(wl);

_fail_irq_enable_:
		if (!wl->dev_irq_num &&
		    wl->hif_func->disable_interrupt)
			wl->hif_func->disable_interrupt(wl);
_fail_irq_init_:
		if (wl->dev_irq_num)
			deinit_irq(dev);

		wlan_deinitialize_threads(dev);
_fail_wilc_wlan_:
		wilc_wlan_cleanup(dev);
_fail_locks_:
		wlan_deinit_locks(dev);
		netdev_err(dev, "WLAN Iinitialization FAILED\n");
	} else {
		netdev_dbg(dev, "wilc1000 already initialized\n");
	}
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
276
69.17%
1
3.45%
Arnd Bergmann
52
13.03%
4
13.79%
Glen Lee
40
10.03%
21
72.41%
Leo Kim
16
4.01%
1
3.45%
Tony Cho
15
3.76%
2
6.90%
Total
399
100.00%
29
100.00%



static int mac_init_fn(struct net_device *ndev)
{
	netif_start_queue(ndev);
	netif_stop_queue(ndev);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
23
95.83%
1
50.00%
Arnd Bergmann
1
4.17%
1
50.00%
Total
24
100.00%
2
100.00%



static int wilc_mac_open(struct net_device *ndev)
{
	struct wilc_vif *vif;

	unsigned char mac_add[ETH_ALEN] = {0};
	int ret = 0;
	int i = 0;
	struct wilc *wl;

	vif = netdev_priv(ndev);
	wl = vif->wilc;

	if (!wl || !wl->dev) {
		netdev_err(ndev, "device not ready\n");
		return -ENODEV;
	}

	netdev_dbg(ndev, "MAC OPEN[%p]\n", ndev);

	ret = wilc_init_host_int(ndev);
	if (ret < 0)
		return ret;

	ret = wilc1000_wlan_init(ndev, vif);
	if (ret < 0) {
		wilc_deinit_host_int(ndev);
		return ret;
	}

	for (i = 0; i < wl->vif_num; i++) {
		if (ndev == wl->vif[i]->ndev) {
			if (vif->iftype == AP_MODE) {
				wilc_set_wfi_drv_handler(vif,
							 wilc_get_vif_idx(vif),
							 0);
			} else if (!wilc_wlan_get_num_conn_ifcs(wl)) {
				wilc_set_wfi_drv_handler(vif,
							 wilc_get_vif_idx(vif),
							 wl->open_ifcs);
			} else {
				if (memcmp(wl->vif[i ^ 1]->bssid,
					   wl->vif[i ^ 1]->src_addr, 6))
					wilc_set_wfi_drv_handler(vif,
							 wilc_get_vif_idx(vif),
							 0);
				else
					wilc_set_wfi_drv_handler(vif,
							 wilc_get_vif_idx(vif),
							 1);
			}
			wilc_set_operation_mode(vif, vif->iftype);

			wilc_get_mac_address(vif, mac_add);
			netdev_dbg(ndev, "Mac address: %pM\n", mac_add);
			memcpy(wl->vif[i]->src_addr, mac_add, ETH_ALEN);

			break;
		}
	}

	memcpy(ndev->dev_addr, wl->vif[i]->src_addr, ETH_ALEN);

	if (!is_valid_ether_addr(ndev->dev_addr)) {
		netdev_err(ndev, "Wrong MAC address\n");
		wilc_deinit_host_int(ndev);
		wilc1000_wlan_deinit(ndev);
		return -EINVAL;
	}

	wilc_mgmt_frame_register(vif->ndev->ieee80211_ptr->wiphy,
				 vif->ndev->ieee80211_ptr,
				 vif->frame_reg[0].type,
				 vif->frame_reg[0].reg);
	wilc_mgmt_frame_register(vif->ndev->ieee80211_ptr->wiphy,
				 vif->ndev->ieee80211_ptr,
				 vif->frame_reg[1].type,
				 vif->frame_reg[1].reg);
	netif_wake_queue(ndev);
	wl->open_ifcs++;
	vif->mac_opened = 1;
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
199
44.62%
1
3.85%
Glen Lee
183
41.03%
7
26.92%
Leo Kim
29
6.50%
6
23.08%
Chandra S Gorentla
19
4.26%
1
3.85%
Chaehyun Lim
8
1.79%
4
15.38%
Tony Cho
5
1.12%
4
15.38%
Arnd Bergmann
2
0.45%
2
7.69%
Elise Lennion
1
0.22%
1
3.85%
Total
446
100.00%
26
100.00%



static struct net_device_stats *mac_stats(struct net_device *dev)
{
	struct wilc_vif *vif = netdev_priv(dev);

	return &vif->netstats;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
24
82.76%
1
33.33%
Glen Lee
4
13.79%
1
33.33%
Arnd Bergmann
1
3.45%
1
33.33%
Total
29
100.00%
3
100.00%



static void wilc_set_multicast_list(struct net_device *dev)
{
	struct netdev_hw_addr *ha;
	struct wilc_vif *vif;
	int i = 0;

	vif = netdev_priv(dev);

	if (dev->flags & IFF_PROMISC)
		return;

	if ((dev->flags & IFF_ALLMULTI) ||
	    (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) {
		wilc_setup_multicast_filter(vif, false, 0);
		return;
	}

	if ((dev->mc.count) == 0) {
		wilc_setup_multicast_filter(vif, true, 0);
		return;
	}

	netdev_for_each_mc_addr(ha, dev) {
		memcpy(wilc_multicast_mac_addr_list[i], ha->addr, ETH_ALEN);
		netdev_dbg(dev, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i,
			   wilc_multicast_mac_addr_list[i][0],
			   wilc_multicast_mac_addr_list[i][1],
			   wilc_multicast_mac_addr_list[i][2],
			   wilc_multicast_mac_addr_list[i][3],
			   wilc_multicast_mac_addr_list[i][4],
			   wilc_multicast_mac_addr_list[i][5]);
		i++;
	}

	wilc_setup_multicast_filter(vif, true, (dev->mc.count));
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
162
83.08%
1
16.67%
Glen Lee
17
8.72%
1
16.67%
Arnd Bergmann
10
5.13%
1
16.67%
Dean Lee
3
1.54%
1
16.67%
Leo Kim
2
1.03%
1
16.67%
Chaehyun Lim
1
0.51%
1
16.67%
Total
195
100.00%
6
100.00%



static void linux_wlan_tx_complete(void *priv, int status)
{
	struct tx_complete_data *pv_data = priv;

	dev_kfree_skb(pv_data->skb);
	kfree(pv_data);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
31
96.88%
1
50.00%
Greg Kroah-Hartman
1
3.12%
1
50.00%
Total
32
100.00%
2
100.00%



int wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev)
{
	struct wilc_vif *vif;
	struct tx_complete_data *tx_data = NULL;
	int queue_count;
	char *udp_buf;
	struct iphdr *ih;
	struct ethhdr *eth_h;
	struct wilc *wilc;

	vif = netdev_priv(ndev);
	wilc = vif->wilc;

	if (skb->dev != ndev) {
		netdev_err(ndev, "Packet not destined to this device\n");
		return 0;
	}

	tx_data = kmalloc(sizeof(*tx_data), GFP_ATOMIC);
	if (!tx_data) {
		dev_kfree_skb(skb);
		netif_wake_queue(ndev);
		return 0;
	}

	tx_data->buff = skb->data;
	tx_data->size = skb->len;
	tx_data->skb  = skb;

	eth_h = (struct ethhdr *)(skb->data);
	if (eth_h->h_proto == cpu_to_be16(0x8e88))
		netdev_dbg(ndev, "EAPOL transmitted\n");

	ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));

	udp_buf = (char *)ih + sizeof(struct iphdr);
	if ((udp_buf[1] == 68 && udp_buf[3] == 67) ||
	    (udp_buf[1] == 67 && udp_buf[3] == 68))
		netdev_dbg(ndev, "DHCP Message transmitted, type:%x %x %x\n",
			   udp_buf[248], udp_buf[249], udp_buf[250]);

	vif->netstats.tx_packets++;
	vif->netstats.tx_bytes += tx_data->size;
	tx_data->bssid = wilc->vif[vif->idx]->bssid;
	queue_count = wilc_wlan_txq_add_net_pkt(ndev, (void *)tx_data,
						tx_data->buff, tx_data->size,
						linux_wlan_tx_complete);

	if (queue_count > FLOW_CONTROL_UPPER_THRESHOLD) {
		netif_stop_queue(wilc->vif[0]->ndev);
		netif_stop_queue(wilc->vif[1]->ndev);
	}

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
285
82.13%
1
5.26%
Glen Lee
27
7.78%
5
26.32%
Leo Kim
24
6.92%
7
36.84%
Tony Cho
6
1.73%
3
15.79%
Mike Kofron
3
0.86%
1
5.26%
Arnd Bergmann
1
0.29%
1
5.26%
Greg Kroah-Hartman
1
0.29%
1
5.26%
Total
347
100.00%
19
100.00%



static int wilc_mac_close(struct net_device *ndev)
{
	struct wilc_priv *priv;
	struct wilc_vif *vif;
	struct host_if_drv *hif_drv;
	struct wilc *wl;

	vif = netdev_priv(ndev);

	if (!vif || !vif->ndev || !vif->ndev->ieee80211_ptr ||
	    !vif->ndev->ieee80211_ptr->wiphy)
		return 0;

	priv = wiphy_priv(vif->ndev->ieee80211_ptr->wiphy);
	wl = vif->wilc;

	if (!priv)
		return 0;

	hif_drv = (struct host_if_drv *)priv->hif_drv;

	netdev_dbg(ndev, "Mac close\n");

	if (!wl)
		return 0;

	if (!hif_drv)
		return 0;

	if ((wl->open_ifcs) > 0)
		wl->open_ifcs--;
	else
		return 0;

	if (vif->ndev) {
		netif_stop_queue(vif->ndev);

		wilc_deinit_host_int(vif->ndev);
	}

	if (wl->open_ifcs == 0) {
		netdev_dbg(ndev, "Deinitializing wilc1000\n");
		wl->close = 1;
		wilc1000_wlan_deinit(ndev);
		WILC_WFI_deinit_mon_interface();
	}

	vif->mac_opened = 0;

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
149
71.29%
1
7.14%
Glen Lee
38
18.18%
4
28.57%
Leo Kim
18
8.61%
5
35.71%
Chaehyun Lim
2
0.96%
2
14.29%
Elise Lennion
1
0.48%
1
7.14%
Arnd Bergmann
1
0.48%
1
7.14%
Total
209
100.00%
14
100.00%



static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
{
	u8 *buff = NULL;
	s8 rssi;
	u32 size = 0, length = 0;
	struct wilc_vif *vif;
	s32 ret = 0;
	struct wilc *wilc;

	vif = netdev_priv(ndev);
	wilc = vif->wilc;

	if (!wilc->initialized)
		return 0;

	switch (cmd) {
	case SIOCSIWPRIV:
	{
		struct iwreq *wrq = (struct iwreq *)req;

		size = wrq->u.data.length;

		if (size && wrq->u.data.pointer) {
			buff = memdup_user(wrq->u.data.pointer,
					   wrq->u.data.length);
			if (IS_ERR(buff))
				return PTR_ERR(buff);

			if (strncasecmp(buff, "RSSI", length) == 0) {
				ret = wilc_get_rssi(vif, &rssi);
				netdev_info(ndev, "RSSI :%d\n", rssi);

				rssi += 5;

				snprintf(buff, size, "rssi %d", rssi);

				if (copy_to_user(wrq->u.data.pointer, buff, size)) {
					netdev_err(ndev, "failed to copy\n");
					ret = -EFAULT;
					goto done;
				}
			}
		}
	}
	break;

	default:
	{
		netdev_info(ndev, "Command - %d - has been received\n", cmd);
		ret = -EOPNOTSUPP;
		goto done;
	}
	}

done:

	kfree(buff);

	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
218
80.74%
1
6.25%
Glen Lee
18
6.67%
3
18.75%
Leo Kim
13
4.81%
3
18.75%
Hari Prasath Gujulan Elango
12
4.44%
1
6.25%
Chaehyun Lim
3
1.11%
3
18.75%
Arnd Bergmann
2
0.74%
2
12.50%
Sudip Mukherjee
2
0.74%
1
6.25%
Tony Cho
1
0.37%
1
6.25%
Greg Kroah-Hartman
1
0.37%
1
6.25%
Total
270
100.00%
16
100.00%



void wilc_frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset)
{
	unsigned int frame_len = 0;
	int stats;
	unsigned char *buff_to_send = NULL;
	struct sk_buff *skb;
	struct net_device *wilc_netdev;
	struct wilc_vif *vif;

	if (!wilc)
		return;

	wilc_netdev = get_if_handler(wilc, buff);
	if (!wilc_netdev)
		return;

	buff += pkt_offset;
	vif = netdev_priv(wilc_netdev);

	if (size > 0) {
		frame_len = size;
		buff_to_send = buff;

		skb = dev_alloc_skb(frame_len);
		if (!skb)
			return;

		skb->dev = wilc_netdev;

		memcpy(skb_put(skb, frame_len), buff_to_send, frame_len);

		skb->protocol = eth_type_trans(skb, wilc_netdev);
		vif->netstats.rx_packets++;
		vif->netstats.rx_bytes += frame_len;
		skb->ip_summed = CHECKSUM_UNNECESSARY;
		stats = netif_rx(skb);
		netdev_dbg(wilc_netdev, "netif_rx ret value is: %d\n", stats);
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
152
84.44%
1
9.09%
Glen Lee
13
7.22%
3
27.27%
Leo Kim
11
6.11%
4
36.36%
Chaehyun Lim
3
1.67%
2
18.18%
Arnd Bergmann
1
0.56%
1
9.09%
Total
180
100.00%
11
100.00%



void WILC_WFI_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size)
{
	int i = 0;
	struct wilc_vif *vif;

	for (i = 0; i < wilc->vif_num; i++) {
		vif = netdev_priv(wilc->vif[i]->ndev);
		if (vif->monitor_flag) {
			WILC_WFI_monitor_rx(buff, size);
			return;
		}
	}

	vif = netdev_priv(wilc->vif[1]->ndev);
	if ((buff[0] == vif->frame_reg[0].type && vif->frame_reg[0].reg) ||
	    (buff[0] == vif->frame_reg[1].type && vif->frame_reg[1].reg))
		WILC_WFI_p2p_rx(wilc->vif[1]->ndev, buff, size);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
119
76.28%
1
9.09%
Glen Lee
22
14.10%
3
27.27%
Tony Cho
7
4.49%
3
27.27%
Leo Kim
6
3.85%
2
18.18%
Chaehyun Lim
2
1.28%
2
18.18%
Total
156
100.00%
11
100.00%



void wilc_netdev_cleanup(struct wilc *wilc)
{
	int i;

	if (wilc && (wilc->vif[0]->ndev || wilc->vif[1]->ndev))
		unregister_inetaddr_notifier(&g_dev_notifier);

	if (wilc && wilc->firmware) {
		release_firmware(wilc->firmware);
		wilc->firmware = NULL;
	}

	if (wilc && (wilc->vif[0]->ndev || wilc->vif[1]->ndev)) {
		for (i = 0; i < NUM_CONCURRENT_IFC; i++)
			if (wilc->vif[i]->ndev)
				if (wilc->vif[i]->mac_opened)
					wilc_mac_close(wilc->vif[i]->ndev);

		for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
			unregister_netdev(wilc->vif[i]->ndev);
			wilc_free_wiphy(wilc->vif[i]->ndev);
			free_netdev(wilc->vif[i]->ndev);
		}
	}

	kfree(wilc);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Tony Cho
154
78.97%
2
22.22%
Glen Lee
29
14.87%
3
33.33%
Leo Kim
8
4.10%
1
11.11%
Arnd Bergmann
4
2.05%
3
33.33%
Total
195
100.00%
9
100.00%


EXPORT_SYMBOL_GPL(wilc_netdev_cleanup);



int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type,
		     int gpio, const struct wilc_hif_func *ops)
{
	int i, ret;
	struct wilc_vif *vif;
	struct net_device *ndev;
	struct wilc *wl;

	wl = kzalloc(sizeof(*wl), GFP_KERNEL);
	if (!wl)
		return -ENOMEM;

	*wilc = wl;
	wl->io_type = io_type;
	wl->gpio = gpio;
	wl->hif_func = ops;

	register_inetaddr_notifier(&g_dev_notifier);

	for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
		ndev = alloc_etherdev(sizeof(struct wilc_vif));
		if (!ndev)
			return -ENOMEM;

		vif = netdev_priv(ndev);
		memset(vif, 0, sizeof(struct wilc_vif));

		if (i == 0)
			strcpy(ndev->name, "wlan%d");
		else
			strcpy(ndev->name, "p2p%d");

		vif->idx = wl->vif_num;
		vif->wilc = *wilc;
		vif->ndev = ndev;
		wl->vif[i] = vif;
		wl->vif_num = i;
		ndev->netdev_ops = &wilc_netdev_ops;

		{
			struct wireless_dev *wdev;

			wdev = wilc_create_wiphy(ndev, dev);

			if (dev)
				SET_NETDEV_DEV(ndev, dev);

			if (!wdev) {
				netdev_err(ndev, "Can't register WILC Wiphy\n");
				return -1;
			}

			vif->ndev->ieee80211_ptr = wdev;
			vif->ndev->ml_priv = vif;
			wdev->netdev = vif->ndev;
			vif->netstats.rx_packets = 0;
			vif->netstats.tx_packets = 0;
			vif->netstats.rx_bytes = 0;
			vif->netstats.tx_bytes = 0;
		}

		ret = register_netdev(ndev);
		if (ret)
			return ret;

		vif->iftype = STATION_MODE;
		vif->mac_opened = 0;
	}

	return 0;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
214
60.80%
1
4.00%
Arnd Bergmann
62
17.61%
7
28.00%
Glen Lee
37
10.51%
6
24.00%
Tony Cho
13
3.69%
4
16.00%
Chaehyun Lim
11
3.12%
3
12.00%
Amitoj Kaur Chawla
10
2.84%
1
4.00%
Leo Kim
5
1.42%
3
12.00%
Total
352
100.00%
25
100.00%


EXPORT_SYMBOL_GPL(wilc_netdev_init);

MODULE_LICENSE("GPL");
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Johnny Kim
4624
69.65%
3
1.90%
Glen Lee
1104
16.63%
58
36.71%
Leo Kim
264
3.98%
32
20.25%
Tony Cho
245
3.69%
11
6.96%
Arnd Bergmann
239
3.60%
15
9.49%
Chaehyun Lim
38
0.57%
14
8.86%
Elise Lennion
22
0.33%
1
0.63%
Chandra S Gorentla
22
0.33%
2
1.27%
Binoy Jayan
20
0.30%
5
3.16%
Greg Kroah-Hartman
13
0.20%
7
4.43%
Hari Prasath Gujulan Elango
12
0.18%
1
0.63%
Amitoj Kaur Chawla
10
0.15%
1
0.63%
Wei Yongjun
9
0.14%
1
0.63%
Dean Lee
7
0.11%
1
0.63%
Mike Kofron
3
0.05%
1
0.63%
Sudip Mukherjee
2
0.03%
1
0.63%
Chris Park
2
0.03%
1
0.63%
Masahiro Yamada
1
0.02%
1
0.63%
Julia Lawall
1
0.02%
1
0.63%
Guenter Roeck
1
0.02%
1
0.63%
Total
6639
100.00%
158
100.00%
Directory: drivers/staging/wilc1000

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