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gfiber / kernel / bruno / 9188611f81e3046cad7703303dbcf6f26c8e4d4d / . / drivers / staging / wilc1000 / linux_wlan.c
blob: 2a5b36fd8b4804460dc91f33178fadae64cd50ee [file] [log] [blame]
#include "wilc_wfi_cfgoperations.h"
#include "linux_wlan_common.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/delay.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/version.h>
#include <linux/semaphore.h>
#ifdef WILC_SDIO
#include "linux_wlan_sdio.h"
#else
#include "linux_wlan_spi.h"
#endif
#if defined(CUSTOMER_PLATFORM)
/*
TODO : Write power control functions as customer platform.
*/
#else
#define _linux_wlan_device_power_on() {}
#define _linux_wlan_device_power_off() {}
#define _linux_wlan_device_detection() {}
#define _linux_wlan_device_removal() {}
#endif
extern bool g_obtainingIP;
extern void resolve_disconnect_aberration(void *drvHandler);
extern u8 gau8MulticastMacAddrList[WILC_MULTICAST_TABLE_SIZE][ETH_ALEN];
extern struct timer_list hDuringIpTimer;
static int linux_wlan_device_power(int on_off)
{
PRINT_D(INIT_DBG, "linux_wlan_device_power.. (%d)\n", on_off);
if (on_off) {
_linux_wlan_device_power_on();
} else {
_linux_wlan_device_power_off();
}
return 0;
}
static int linux_wlan_device_detection(int on_off)
{
PRINT_D(INIT_DBG, "linux_wlan_device_detection.. (%d)\n", on_off);
#ifdef WILC_SDIO
if (on_off) {
_linux_wlan_device_detection();
} else {
_linux_wlan_device_removal();
}
#endif
return 0;
}
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
};
#define IRQ_WAIT 1
#define IRQ_NO_WAIT 0
/*
* to sync between mac_close and module exit.
* don't initialize or de-initialize from init/deinitlocks
* to be initialized from module wilc_netdev_init and
* deinitialized from mdoule_exit
*/
static struct semaphore close_exit_sync;
static int wlan_deinit_locks(struct net_device *dev);
static void wlan_deinitialize_threads(struct net_device *dev);
extern void WILC_WFI_monitor_rx(u8 *buff, u32 size);
extern void WILC_WFI_p2p_rx(struct net_device *dev, u8 *buff, u32 size);
static void linux_wlan_tx_complete(void *priv, int status);
static int mac_init_fn(struct net_device *ndev);
int mac_xmit(struct sk_buff *skb, struct net_device *dev);
int mac_open(struct net_device *ndev);
int mac_close(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 void wilc_set_multicast_list(struct net_device *dev);
/*
* for now - in frmw_to_linux there should be private data to be passed to it
* and this data should be pointer to net device
*/
struct wilc *g_linux_wlan;
bool bEnablePS = true;
static const struct net_device_ops wilc_netdev_ops = {
.ndo_init = mac_init_fn,
.ndo_open = mac_open,
.ndo_stop = mac_close,
.ndo_start_xmit = 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 = (struct in_ifaddr *)ptr;
struct wilc_priv *priv;
struct host_if_drv *pstrWFIDrv;
struct net_device *dev;
u8 *pIP_Add_buff;
perInterface_wlan_t *nic;
u8 null_ip[4] = {0};
char wlan_dev_name[5] = "wlan0";
if (dev_iface == NULL || dev_iface->ifa_dev == NULL || dev_iface->ifa_dev->dev == NULL) {
PRINT_D(GENERIC_DBG, "dev_iface = NULL\n");
return NOTIFY_DONE;
}
if ((memcmp(dev_iface->ifa_label, "wlan0", 5)) && (memcmp(dev_iface->ifa_label, "p2p0", 4))) {
PRINT_D(GENERIC_DBG, "Interface is neither WLAN0 nor P2P0\n");
return NOTIFY_DONE;
}
dev = (struct net_device *)dev_iface->ifa_dev->dev;
if (dev->ieee80211_ptr == NULL || dev->ieee80211_ptr->wiphy == NULL) {
PRINT_D(GENERIC_DBG, "No Wireless registerd\n");
return NOTIFY_DONE;
}
priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
if (priv == NULL) {
PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
return NOTIFY_DONE;
}
pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
nic = netdev_priv(dev);
if (nic == NULL || pstrWFIDrv == NULL) {
PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
return NOTIFY_DONE;
}
PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler +++\n"); /* tony */
switch (event) {
case NETDEV_UP:
PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_UP %p\n", dev); /* tony */
PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Obtained ===============\n\n");
/*If we are in station mode or client mode*/
if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) {
pstrWFIDrv->IFC_UP = 1;
g_obtainingIP = false;
del_timer(&hDuringIpTimer);
PRINT_D(GENERIC_DBG, "IP obtained , enable scan\n");
}
if (bEnablePS)
host_int_set_power_mgmt(pstrWFIDrv, 1, 0);
PRINT_D(GENERIC_DBG, "[%s] Up IP\n", dev_iface->ifa_label);
pIP_Add_buff = (char *) (&(dev_iface->ifa_address));
PRINT_D(GENERIC_DBG, "IP add=%d:%d:%d:%d\n", pIP_Add_buff[0], pIP_Add_buff[1], pIP_Add_buff[2], pIP_Add_buff[3]);
host_int_setup_ipaddress(pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
break;
case NETDEV_DOWN:
PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_DOWN %p\n", dev); /* tony */
PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Released ===============\n\n");
if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) {
pstrWFIDrv->IFC_UP = 0;
g_obtainingIP = false;
}
if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0)
host_int_set_power_mgmt(pstrWFIDrv, 0, 0);
resolve_disconnect_aberration(pstrWFIDrv);
PRINT_D(GENERIC_DBG, "[%s] Down IP\n", dev_iface->ifa_label);
pIP_Add_buff = null_ip;
PRINT_D(GENERIC_DBG, "IP add=%d:%d:%d:%d\n", pIP_Add_buff[0], pIP_Add_buff[1], pIP_Add_buff[2], pIP_Add_buff[3]);
host_int_setup_ipaddress(pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
break;
default:
PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler event=default\n"); /* tony */
PRINT_INFO(GENERIC_DBG, "[%s] unknown dev event: %lu\n", dev_iface->ifa_label, event);
break;
}
return NOTIFY_DONE;
}
#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
static irqreturn_t isr_uh_routine(int irq, void *user_data)
{
perInterface_wlan_t *nic;
struct wilc *wilc;
struct net_device *dev = (struct net_device *)user_data;
nic = netdev_priv(dev);
wilc = nic->wilc;
PRINT_D(INT_DBG, "Interrupt received UH\n");
/*While mac is closing cacncel the handling of any interrupts received*/
if (wilc->close) {
PRINT_ER("Driver is CLOSING: Can't handle UH interrupt\n");
return IRQ_HANDLED;
}
return IRQ_WAKE_THREAD;
}
#endif
irqreturn_t isr_bh_routine(int irq, void *userdata)
{
perInterface_wlan_t *nic;
struct wilc *wilc;
nic = netdev_priv(userdata);
wilc = nic->wilc;
/*While mac is closing cacncel the handling of any interrupts received*/
if (wilc->close) {
PRINT_ER("Driver is CLOSING: Can't handle BH interrupt\n");
return IRQ_HANDLED;
}
PRINT_D(INT_DBG, "Interrupt received BH\n");
wilc_handle_isr(wilc);
return IRQ_HANDLED;
}
#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
static int init_irq(struct net_device *dev)
{
int ret = 0;
perInterface_wlan_t *nic;
struct wilc *wl;
nic = netdev_priv(dev);
wl = nic->wilc;
/*initialize GPIO and register IRQ num*/
/*GPIO request*/
if ((gpio_request(GPIO_NUM, "WILC_INTR") == 0) &&
(gpio_direction_input(GPIO_NUM) == 0)) {
#if defined(CUSTOMER_PLATFORM)
/*
TODO : save the registerd irq number to the private wilc context in kernel.
*
* ex) nic->dev_irq_num = gpio_to_irq(GPIO_NUM);
*/
#else
wl->dev_irq_num = gpio_to_irq(GPIO_NUM);
#endif
} else {
ret = -1;
PRINT_ER("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, /*Without IRQF_ONESHOT the uh will remain kicked in and dont gave a chance to bh*/
"WILC_IRQ", dev)) < 0) {
PRINT_ER("Failed to request IRQ for GPIO: %d\n", GPIO_NUM);
ret = -1;
} else {
PRINT_D(INIT_DBG, "IRQ request succeeded IRQ-NUM= %d on GPIO: %d\n",
wl->dev_irq_num, GPIO_NUM);
}
return ret;
}
#endif
static void deinit_irq(struct net_device *dev)
{
perInterface_wlan_t *nic;
struct wilc *wilc;
nic = netdev_priv(dev);
wilc = nic->wilc;
#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
/* Deintialize IRQ */
if (&wilc->dev_irq_num != 0) {
free_irq(wilc->dev_irq_num, wilc);
gpio_free(GPIO_NUM);
}
#endif
}
/*
* OS functions
*/
void linux_wlan_dbg(u8 *buff)
{
PRINT_D(INIT_DBG, "%d\n", *buff);
}
int linux_wlan_lock_timeout(void *vp, u32 timeout)
{
int error = -1;
PRINT_D(LOCK_DBG, "Locking %p\n", vp);
if (vp != NULL)
error = down_timeout((struct semaphore *)vp, msecs_to_jiffies(timeout));
else
PRINT_ER("Failed, mutex is NULL\n");
return error;
}
void linux_wlan_mac_indicate(struct wilc *wilc, int flag)
{
/*I have to do it that way becuase there is no mean to encapsulate device pointer
* as a parameter
*/
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;
up(&wilc->sync_event);
} else {
wilc->mac_status = status;
}
if (wilc->mac_status == WILC_MAC_STATUS_CONNECT) { /* Connect */
}
} else if (flag == WILC_MAC_INDICATE_SCAN) {
PRINT_D(GENERIC_DBG, "Scanning ...\n");
}
}
struct net_device *GetIfHandler(struct wilc *wilc, u8 *pMacHeader)
{
u8 *Bssid, *Bssid1;
int i = 0;
Bssid = pMacHeader + 10;
Bssid1 = pMacHeader + 4;
for (i = 0; i < wilc->vif_num; i++)
if (!memcmp(Bssid1, wilc->vif[i].bssid, ETH_ALEN) ||
!memcmp(Bssid, wilc->vif[i].bssid, ETH_ALEN))
return wilc->vif[i].ndev;
PRINT_INFO(INIT_DBG, "Invalide handle\n");
for (i = 0; i < 25; i++)
PRINT_D(INIT_DBG, "%02x ", pMacHeader[i]);
Bssid = pMacHeader + 18;
Bssid1 = pMacHeader + 12;
for (i = 0; i < wilc->vif_num; i++)
if (!memcmp(Bssid1, wilc->vif[i].bssid, ETH_ALEN) ||
!memcmp(Bssid, wilc->vif[i].bssid, ETH_ALEN))
return wilc->vif[i].ndev;
PRINT_INFO(INIT_DBG, "\n");
return NULL;
}
int linux_wlan_set_bssid(struct net_device *wilc_netdev, u8 *pBSSID)
{
int i = 0;
int ret = -1;
perInterface_wlan_t *nic;
struct wilc *wilc;
nic = netdev_priv(wilc_netdev);
wilc = nic->wilc;
for (i = 0; i < wilc->vif_num; i++)
if (wilc->vif[i].ndev == wilc_netdev) {
memcpy(wilc->vif[i].bssid, pBSSID, 6);
ret = 0;
break;
}
return ret;
}
/*Function to get number of connected interfaces*/
int linux_wlan_get_num_conn_ifcs(void)
{
u8 i = 0;
u8 null_bssid[6] = {0};
u8 ret_val = 0;
for (i = 0; i < g_linux_wlan->vif_num; i++)
if (memcmp(g_linux_wlan->vif[i].bssid, null_bssid, 6))
ret_val++;
return ret_val;
}
#define USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
static int linux_wlan_txq_task(void *vp)
{
int ret, txq_count;
perInterface_wlan_t *nic;
struct wilc *wl;
struct net_device *dev = vp;
#if defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
#define TX_BACKOFF_WEIGHT_INCR_STEP (1)
#define TX_BACKOFF_WEIGHT_DECR_STEP (1)
#define TX_BACKOFF_WEIGHT_MAX (7)
#define TX_BACKOFF_WEIGHT_MIN (0)
#define TX_BACKOFF_WEIGHT_UNIT_MS (10)
int backoff_weight = TX_BACKOFF_WEIGHT_MIN;
#endif
nic = netdev_priv(dev);
wl = nic->wilc;
/* inform wilc1000_wlan_init that TXQ task is started. */
up(&wl->txq_thread_started);
while (1) {
PRINT_D(TX_DBG, "txq_task Taking a nap :)\n");
down(&wl->txq_event);
/* wait_for_completion(&pd->txq_event); */
PRINT_D(TX_DBG, "txq_task Who waked me up :$\n");
if (wl->close) {
/*Unlock the mutex in the mac_close function to indicate the exiting of the TX thread */
up(&wl->txq_thread_started);
while (!kthread_should_stop())
schedule();
PRINT_D(TX_DBG, "TX thread stopped\n");
break;
}
PRINT_D(TX_DBG, "txq_task handle the sending packet and let me go to sleep.\n");
#if !defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
ret = wilc_wlan_handle_txq(dev, &txq_count);
#else
do {
ret = wilc_wlan_handle_txq(dev, &txq_count);
if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD /* && netif_queue_stopped(pd->wilc_netdev)*/) {
PRINT_D(TX_DBG, "Waking up queue\n");
/* netif_wake_queue(pd->wilc_netdev); */
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);
}
if (ret == WILC_TX_ERR_NO_BUF) { /* failed to allocate buffers in chip. */
do {
/* Back off from sending packets for some time. */
/* schedule_timeout will allow RX task to run and free buffers.*/
/* set_current_state(TASK_UNINTERRUPTIBLE); */
/* timeout = schedule_timeout(timeout); */
msleep(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight);
} while (/*timeout*/ 0);
backoff_weight += TX_BACKOFF_WEIGHT_INCR_STEP;
if (backoff_weight > TX_BACKOFF_WEIGHT_MAX)
backoff_weight = TX_BACKOFF_WEIGHT_MAX;
} else {
if (backoff_weight > TX_BACKOFF_WEIGHT_MIN) {
backoff_weight -= TX_BACKOFF_WEIGHT_DECR_STEP;
if (backoff_weight < TX_BACKOFF_WEIGHT_MIN)
backoff_weight = TX_BACKOFF_WEIGHT_MIN;
}
}
/*TODO: drop packets after a certain time/number of retry count. */
} while (ret == WILC_TX_ERR_NO_BUF && !wl->close); /* retry sending packets if no more buffers in chip. */
#endif
}
return 0;
}
void linux_wlan_rx_complete(void)
{
PRINT_D(RX_DBG, "RX completed\n");
}
int linux_wlan_get_firmware(perInterface_wlan_t *p_nic)
{
perInterface_wlan_t *nic = p_nic;
int ret = 0;
const struct firmware *wilc_firmware;
char *firmware;
if (nic->iftype == AP_MODE)
firmware = AP_FIRMWARE;
else if (nic->iftype == STATION_MODE)
firmware = STA_FIRMWARE;
else {
PRINT_D(INIT_DBG, "Get P2P_CONCURRENCY_FIRMWARE\n");
firmware = P2P_CONCURRENCY_FIRMWARE;
}
if (nic == NULL) {
PRINT_ER("NIC is NULL\n");
goto _fail_;
}
if (&nic->wilc_netdev->dev == NULL) {
PRINT_ER("&nic->wilc_netdev->dev is NULL\n");
goto _fail_;
}
/* the firmare should be located in /lib/firmware in
* root file system with the name specified above */
#ifdef WILC_SDIO
if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_sdio_func->dev) != 0) {
PRINT_ER("%s - firmare not available\n", firmware);
ret = -1;
goto _fail_;
}
#else
if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_spidev->dev) != 0) {
PRINT_ER("%s - firmare not available\n", firmware);
ret = -1;
goto _fail_;
}
#endif
g_linux_wlan->firmware = wilc_firmware;
_fail_:
return ret;
}
static int linux_wlan_start_firmware(perInterface_wlan_t *nic)
{
int ret = 0;
/* start firmware */
PRINT_D(INIT_DBG, "Starting Firmware ...\n");
ret = wilc_wlan_start();
if (ret < 0) {
PRINT_ER("Failed to start Firmware\n");
goto _fail_;
}
/* wait for mac ready */
PRINT_D(INIT_DBG, "Waiting for Firmware to get ready ...\n");
ret = linux_wlan_lock_timeout(&g_linux_wlan->sync_event, 5000);
if (ret) {
PRINT_D(INIT_DBG, "Firmware start timed out");
goto _fail_;
}
/*
* TODO: Driver shouoldn't wait forever for firmware to get started -
* in case of timeout this should be handled properly
*/
PRINT_D(INIT_DBG, "Firmware successfully started\n");
_fail_:
return ret;
}
static int linux_wlan_firmware_download(struct wilc *p_nic)
{
int ret = 0;
if (!g_linux_wlan->firmware) {
PRINT_ER("Firmware buffer is NULL\n");
ret = -ENOBUFS;
goto _FAIL_;
}
/**
* do the firmware download
**/
PRINT_D(INIT_DBG, "Downloading Firmware ...\n");
ret = wilc_wlan_firmware_download(g_linux_wlan->firmware->data,
g_linux_wlan->firmware->size);
if (ret < 0)
goto _FAIL_;
/* Freeing FW buffer */
PRINT_D(INIT_DBG, "Freeing FW buffer ...\n");
PRINT_D(INIT_DBG, "Releasing firmware\n");
release_firmware(g_linux_wlan->firmware);
PRINT_D(INIT_DBG, "Download Succeeded\n");
_FAIL_:
return ret;
}
/* startup configuration - could be changed later using iconfig*/
static int linux_wlan_init_test_config(struct net_device *dev, struct wilc *p_nic)
{
unsigned char c_val[64];
unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xff};
struct wilc_priv *priv;
struct host_if_drv *pstrWFIDrv;
PRINT_D(TX_DBG, "Start configuring Firmware\n");
get_random_bytes(&mac_add[5], 1);
get_random_bytes(&mac_add[4], 1);
priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
PRINT_D(INIT_DBG, "Host = %p\n", pstrWFIDrv);
PRINT_D(INIT_DBG, "MAC address is : %02x-%02x-%02x-%02x-%02x-%02x\n", mac_add[0], mac_add[1], mac_add[2], mac_add[3], mac_add[4], mac_add[5]);
wilc_get_chipid(0);
*(int *)c_val = 1;
if (!wilc_wlan_cfg_set(1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0))
goto _fail_;
/*to tell fw that we are going to use PC test - WILC specific*/
c_val[0] = 0;
if (!wilc_wlan_cfg_set(0, WID_PC_TEST_MODE, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = INFRASTRUCTURE;
if (!wilc_wlan_cfg_set(0, WID_BSS_TYPE, c_val, 1, 0, 0))
goto _fail_;
/* c_val[0] = RATE_AUTO; */
c_val[0] = RATE_AUTO;
if (!wilc_wlan_cfg_set(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(0, WID_11G_OPERATING_MODE, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = 1;
if (!wilc_wlan_cfg_set(0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = G_SHORT_PREAMBLE;
if (!wilc_wlan_cfg_set(0, WID_PREAMBLE, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = AUTO_PROT;
if (!wilc_wlan_cfg_set(0, WID_11N_PROT_MECH, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = ACTIVE_SCAN;
if (!wilc_wlan_cfg_set(0, WID_SCAN_TYPE, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = SITE_SURVEY_OFF;
if (!wilc_wlan_cfg_set(0, WID_SITE_SURVEY, c_val, 1, 0, 0))
goto _fail_;
*((int *)c_val) = 0xffff; /* Never use RTS-CTS */
if (!wilc_wlan_cfg_set(0, WID_RTS_THRESHOLD, c_val, 2, 0, 0))
goto _fail_;
*((int *)c_val) = 2346;
if (!wilc_wlan_cfg_set(0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0))
goto _fail_;
/* SSID */
/* -------------------------------------------------------------- */
/* Configuration : String with length less than 32 bytes */
/* Values to set : Any string with length less than 32 bytes */
/* ( In BSS Station Set SSID to "" (null string) */
/* to enable Broadcast SSID suppport ) */
/* -------------------------------------------------------------- */
c_val[0] = 0;
if (!wilc_wlan_cfg_set(0, WID_BCAST_SSID, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = 1;
if (!wilc_wlan_cfg_set(0, WID_QOS_ENABLE, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = NO_POWERSAVE;
if (!wilc_wlan_cfg_set(0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = NO_ENCRYPT; /* NO_ENCRYPT, 0x79 */
if (!wilc_wlan_cfg_set(0, WID_11I_MODE, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = OPEN_SYSTEM;
if (!wilc_wlan_cfg_set(0, WID_AUTH_TYPE, c_val, 1, 0, 0))
goto _fail_;
/* WEP/802 11I Configuration */
/* ------------------------------------------------------------------ */
/* Configuration : WEP Key */
/* Values (0x) : 5 byte for WEP40 and 13 bytes for WEP104 */
/* In case more than 5 bytes are passed on for WEP 40 */
/* only first 5 bytes will be used as the key */
/* ------------------------------------------------------------------ */
strcpy(c_val, "123456790abcdef1234567890");
if (!wilc_wlan_cfg_set(0, WID_WEP_KEY_VALUE, c_val, (strlen(c_val) + 1), 0, 0))
goto _fail_;
/* WEP/802 11I Configuration */
/* ------------------------------------------------------------------ */
/* Configuration : AES/TKIP WPA/RSNA Pre-Shared Key */
/* Values to set : Any string with length greater than equal to 8 bytes */
/* and less than 64 bytes */
/* ------------------------------------------------------------------ */
strcpy(c_val, "12345678");
if (!wilc_wlan_cfg_set(0, WID_11I_PSK, c_val, (strlen(c_val)), 0, 0))
goto _fail_;
/* IEEE802.1X Key Configuration */
/* ------------------------------------------------------------------ */
/* Configuration : Radius Server Access Secret Key */
/* Values to set : Any string with length greater than equal to 8 bytes */
/* and less than 65 bytes */
/* ------------------------------------------------------------------ */
strcpy(c_val, "password");
if (!wilc_wlan_cfg_set(0, WID_1X_KEY, c_val, (strlen(c_val) + 1), 0, 0))
goto _fail_;
/* IEEE802.1X Server Address Configuration */
/* ------------------------------------------------------------------ */
/* Configuration : Radius Server IP Address */
/* Values to set : Any valid IP Address */
/* ------------------------------------------------------------------ */
c_val[0] = 192;
c_val[1] = 168;
c_val[2] = 1;
c_val[3] = 112;
if (!wilc_wlan_cfg_set(0, WID_1X_SERV_ADDR, c_val, 4, 0, 0))
goto _fail_;
c_val[0] = 3;
if (!wilc_wlan_cfg_set(0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = 3;
if (!wilc_wlan_cfg_set(0, WID_DTIM_PERIOD, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = NORMAL_ACK;
if (!wilc_wlan_cfg_set(0, WID_ACK_POLICY, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = 0;
if (!wilc_wlan_cfg_set(0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = 48;
if (!wilc_wlan_cfg_set(0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = 28;
if (!wilc_wlan_cfg_set(0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0, 0))
goto _fail_;
/* Beacon Interval */
/* -------------------------------------------------------------------- */
/* Configuration : Sets the beacon interval value */
/* Values to set : Any 16-bit value */
/* -------------------------------------------------------------------- */
*((int *)c_val) = 100;
if (!wilc_wlan_cfg_set(0, WID_BEACON_INTERVAL, c_val, 2, 0, 0))
goto _fail_;
c_val[0] = REKEY_DISABLE;
if (!wilc_wlan_cfg_set(0, WID_REKEY_POLICY, c_val, 1, 0, 0))
goto _fail_;
/* Rekey Time (s) (Used only when the Rekey policy is 2 or 4) */
/* -------------------------------------------------------------------- */
/* Configuration : Sets the Rekey Time (s) */
/* Values to set : 32-bit value */
/* -------------------------------------------------------------------- */
*((int *)c_val) = 84600;
if (!wilc_wlan_cfg_set(0, WID_REKEY_PERIOD, c_val, 4, 0, 0))
goto _fail_;
/* Rekey Packet Count (in 1000s; used when Rekey Policy is 3) */
/* -------------------------------------------------------------------- */
/* Configuration : Sets Rekey Group Packet count */
/* Values to set : 32-bit Value */
/* -------------------------------------------------------------------- */
*((int *)c_val) = 500;
if (!wilc_wlan_cfg_set(0, WID_REKEY_PACKET_COUNT, c_val, 4, 0, 0))
goto _fail_;
c_val[0] = 1;
if (!wilc_wlan_cfg_set(0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = G_SELF_CTS_PROT;
if (!wilc_wlan_cfg_set(0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = 1; /* Enable N */
if (!wilc_wlan_cfg_set(0, WID_11N_ENABLE, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = HT_MIXED_MODE;
if (!wilc_wlan_cfg_set(0, WID_11N_OPERATING_MODE, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = 1; /* TXOP Prot disable in N mode: No RTS-CTS on TX A-MPDUs to save air-time. */
if (!wilc_wlan_cfg_set(0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0, 0))
goto _fail_;
memcpy(c_val, mac_add, 6);
if (!wilc_wlan_cfg_set(0, WID_MAC_ADDR, c_val, 6, 0, 0))
goto _fail_;
/**
* AP only
**/
c_val[0] = DETECT_PROTECT_REPORT;
if (!wilc_wlan_cfg_set(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(0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = 0;
if (!wilc_wlan_cfg_set(0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = MIMO_MODE;
if (!wilc_wlan_cfg_set(0, WID_11N_SMPS_MODE, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = 7;
if (!wilc_wlan_cfg_set(0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0, 0))
goto _fail_;
c_val[0] = 1; /* Enable N with immediate block ack. */
if (!wilc_wlan_cfg_set(0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1, 1, 1))
goto _fail_;
return 0;
_fail_:
return -1;
}
/**************************/
void wilc1000_wlan_deinit(struct net_device *dev)
{
perInterface_wlan_t *nic;
struct wilc *wl;
nic = netdev_priv(dev);
wl = nic->wilc;
if (!wl) {
netdev_err(dev, "wl is NULL\n");
return;
}
if (wl->initialized) {
netdev_info(dev, "Deinitializing wilc1000...\n");
#if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
/* johnny : remove */
PRINT_D(INIT_DBG, "skip wilc_bus_set_default_speed\n");
#else
wilc_bus_set_default_speed();
#endif
PRINT_D(INIT_DBG, "Disabling IRQ\n");
#ifdef WILC_SDIO
mutex_lock(&wl->hif_cs);
disable_sdio_interrupt();
mutex_unlock(&wl->hif_cs);
#endif
if (&wl->txq_event != NULL)
up(&wl->txq_event);
PRINT_D(INIT_DBG, "Deinitializing Threads\n");
wlan_deinitialize_threads(dev);
PRINT_D(INIT_DBG, "Deinitializing IRQ\n");
deinit_irq(dev);
wilc_wlan_stop();
PRINT_D(INIT_DBG, "Deinitializing WILC Wlan\n");
wilc_wlan_cleanup(dev);
#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
#if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
PRINT_D(INIT_DBG, "Disabling IRQ 2\n");
mutex_lock(&wl->hif_cs);
disable_sdio_interrupt();
mutex_unlock(&wl->hif_cs);
#endif
#endif
/*De-Initialize locks*/
PRINT_D(INIT_DBG, "Deinitializing Locks\n");
wlan_deinit_locks(dev);
/* announce that wilc1000 is not initialized */
wl->initialized = false;
PRINT_D(INIT_DBG, "wilc1000 deinitialization Done\n");
} else {
PRINT_D(INIT_DBG, "wilc1000 is not initialized\n");
}
}
int wlan_init_locks(struct net_device *dev)
{
perInterface_wlan_t *nic;
struct wilc *wl;
nic = netdev_priv(dev);
wl = nic->wilc;
PRINT_D(INIT_DBG, "Initializing Locks ...\n");
mutex_init(&wl->hif_cs);
mutex_init(&wl->rxq_cs);
spin_lock_init(&wl->txq_spinlock);
sema_init(&wl->txq_add_to_head_cs, 1);
sema_init(&wl->txq_event, 0);
sema_init(&wl->cfg_event, 0);
sema_init(&wl->sync_event, 0);
sema_init(&wl->txq_thread_started, 0);
return 0;
}
static int wlan_deinit_locks(struct net_device *dev)
{
perInterface_wlan_t *nic;
struct wilc *wilc;
nic = netdev_priv(dev);
wilc = nic->wilc;
PRINT_D(INIT_DBG, "De-Initializing Locks\n");
if (&wilc->hif_cs != NULL)
mutex_destroy(&wilc->hif_cs);
if (&wilc->rxq_cs != NULL)
mutex_destroy(&wilc->rxq_cs);
return 0;
}
void linux_to_wlan(wilc_wlan_inp_t *nwi, struct wilc *nic)
{
PRINT_D(INIT_DBG, "Linux to Wlan services ...\n");
nwi->os_context.os_private = (void *)nic;
#ifdef WILC_SDIO
nwi->io_func.io_type = HIF_SDIO;
nwi->io_func.io_init = linux_sdio_init;
nwi->io_func.io_deinit = linux_sdio_deinit;
nwi->io_func.u.sdio.sdio_cmd52 = linux_sdio_cmd52;
nwi->io_func.u.sdio.sdio_cmd53 = linux_sdio_cmd53;
nwi->io_func.u.sdio.sdio_set_max_speed = linux_sdio_set_max_speed;
nwi->io_func.u.sdio.sdio_set_default_speed = linux_sdio_set_default_speed;
#else
nwi->io_func.io_type = HIF_SPI;
nwi->io_func.io_init = linux_spi_init;
nwi->io_func.io_deinit = linux_spi_deinit;
nwi->io_func.u.spi.spi_tx = linux_spi_write;
nwi->io_func.u.spi.spi_rx = linux_spi_read;
nwi->io_func.u.spi.spi_trx = linux_spi_write_read;
nwi->io_func.u.spi.spi_max_speed = linux_spi_set_max_speed;
#endif
}
int wlan_initialize_threads(struct net_device *dev)
{
perInterface_wlan_t *nic;
struct wilc *wilc;
int ret = 0;
nic = netdev_priv(dev);
wilc = nic->wilc;
PRINT_D(INIT_DBG, "Initializing Threads ...\n");
/* create tx task */
PRINT_D(INIT_DBG, "Creating kthread for transmission\n");
wilc->txq_thread = kthread_run(linux_wlan_txq_task, (void *)dev,
"K_TXQ_TASK");
if (!wilc->txq_thread) {
PRINT_ER("couldn't create TXQ thread\n");
ret = -ENOBUFS;
goto _fail_2;
}
/* wait for TXQ task to start. */
down(&wilc->txq_thread_started);
return 0;
_fail_2:
/*De-Initialize 2nd thread*/
wilc->close = 0;
return ret;
}
static void wlan_deinitialize_threads(struct net_device *dev)
{
perInterface_wlan_t *nic;
struct wilc *wl;
nic = netdev_priv(dev);
wl = nic->wilc;
wl->close = 1;
PRINT_D(INIT_DBG, "Deinitializing Threads\n");
if (&wl->txq_event != NULL)
up(&wl->txq_event);
if (wl->txq_thread != NULL) {
kthread_stop(wl->txq_thread);
wl->txq_thread = NULL;
}
}
int wilc1000_wlan_init(struct net_device *dev, perInterface_wlan_t *p_nic)
{
wilc_wlan_inp_t nwi;
perInterface_wlan_t *nic = p_nic;
int ret = 0;
struct wilc *wl = nic->wilc;
if (!wl->initialized) {
wl->mac_status = WILC_MAC_STATUS_INIT;
wl->close = 0;
wlan_init_locks(dev);
linux_to_wlan(&nwi, wl);
ret = wilc_wlan_init(&nwi);
if (ret < 0) {
PRINT_ER("Initializing WILC_Wlan FAILED\n");
ret = -EIO;
goto _fail_locks_;
}
#if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
if (init_irq(dev)) {
PRINT_ER("couldn't initialize IRQ\n");
ret = -EIO;
goto _fail_locks_;
}
#endif
ret = wlan_initialize_threads(dev);
if (ret < 0) {
PRINT_ER("Initializing Threads FAILED\n");
ret = -EIO;
goto _fail_wilc_wlan_;
}
#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
if (enable_sdio_interrupt()) {
PRINT_ER("couldn't initialize IRQ\n");
ret = -EIO;
goto _fail_irq_init_;
}
#endif
if (linux_wlan_get_firmware(nic)) {
PRINT_ER("Can't get firmware\n");
ret = -EIO;
goto _fail_irq_enable_;
}
/*Download firmware*/
ret = linux_wlan_firmware_download(wl);
if (ret < 0) {
PRINT_ER("Failed to download firmware\n");
ret = -EIO;
goto _fail_irq_enable_;
}
/* Start firmware*/
ret = linux_wlan_start_firmware(nic);
if (ret < 0) {
PRINT_ER("Failed to start firmware\n");
ret = -EIO;
goto _fail_irq_enable_;
}
wilc_bus_set_max_speed();
if (wilc_wlan_cfg_get(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';
PRINT_D(INIT_DBG, "***** Firmware Ver = %s *******\n", Firmware_ver);
}
/* Initialize firmware with default configuration */
ret = linux_wlan_init_test_config(dev, wl);
if (ret < 0) {
PRINT_ER("Failed to configure firmware\n");
ret = -EIO;
goto _fail_fw_start_;
}
wl->initialized = true;
return 0; /*success*/
_fail_fw_start_:
wilc_wlan_stop();
_fail_irq_enable_:
#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
disable_sdio_interrupt();
_fail_irq_init_:
#endif
#if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
deinit_irq(dev);
#endif
wlan_deinitialize_threads(dev);
_fail_wilc_wlan_:
wilc_wlan_cleanup(dev);
_fail_locks_:
wlan_deinit_locks(dev);
PRINT_ER("WLAN Iinitialization FAILED\n");
} else {
PRINT_D(INIT_DBG, "wilc1000 already initialized\n");
}
return ret;
}
/*
* - this function will be called automatically by OS when module inserted.
*/
int mac_init_fn(struct net_device *ndev)
{
/*Why we do this !!!*/
netif_start_queue(ndev); /* ma */
netif_stop_queue(ndev); /* ma */
return 0;
}
/* This fn is called, when this device is setup using ifconfig */
int mac_open(struct net_device *ndev)
{
perInterface_wlan_t *nic;
/*No need for setting mac address here anymore,*/
/*Just set it in init_test_config()*/
unsigned char mac_add[ETH_ALEN] = {0};
int ret = 0;
int i = 0;
struct wilc_priv *priv;
struct wilc *wl;
nic = netdev_priv(ndev);
wl = nic->wilc;
#ifdef WILC_SPI
if (!wl|| !wl->wilc_spidev) {
netdev_err(ndev, "wilc1000: SPI device not ready\n");
return -ENODEV;
}
#endif
nic = netdev_priv(ndev);
priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
PRINT_D(INIT_DBG, "MAC OPEN[%p]\n", ndev);
ret = wilc_init_host_int(ndev);
if (ret < 0) {
PRINT_ER("Failed to initialize host interface\n");
return ret;
}
/*initialize platform*/
PRINT_D(INIT_DBG, "*** re-init ***\n");
ret = wilc1000_wlan_init(ndev, nic);
if (ret < 0) {
PRINT_ER("Failed to initialize wilc1000\n");
wilc_deinit_host_int(ndev);
return ret;
}
Set_machw_change_vir_if(ndev, false);
host_int_get_MacAddress(priv->hWILCWFIDrv, mac_add);
PRINT_D(INIT_DBG, "Mac address: %pM\n", mac_add);
/* loop through the NUM of supported devices and set the MAC address */
for (i = 0; i < wl->vif_num; i++) {
if (ndev == wl->vif[i].ndev) {
memcpy(wl->vif[i].src_addr, mac_add, ETH_ALEN);
wl->vif[i].hif_drv = priv->hWILCWFIDrv;
break;
}
}
/* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
memcpy(ndev->dev_addr, wl->vif[i].src_addr, ETH_ALEN);
if (!is_valid_ether_addr(ndev->dev_addr)) {
PRINT_ER("Error: Wrong MAC address\n");
ret = -EINVAL;
goto _err_;
}
wilc_mgmt_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev->ieee80211_ptr,
nic->g_struct_frame_reg[0].frame_type, nic->g_struct_frame_reg[0].reg);
wilc_mgmt_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev->ieee80211_ptr,
nic->g_struct_frame_reg[1].frame_type, nic->g_struct_frame_reg[1].reg);
netif_wake_queue(ndev);
wl->open_ifcs++;
nic->mac_opened = 1;
return 0;
_err_:
wilc_deinit_host_int(ndev);
wilc1000_wlan_deinit(ndev);
return ret;
}
struct net_device_stats *mac_stats(struct net_device *dev)
{
perInterface_wlan_t *nic = netdev_priv(dev);
return &nic->netstats;
}
/* Setup the multicast filter */
static void wilc_set_multicast_list(struct net_device *dev)
{
struct netdev_hw_addr *ha;
struct wilc_priv *priv;
struct host_if_drv *pstrWFIDrv;
int i = 0;
priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
if (!dev)
return;
PRINT_D(INIT_DBG, "Setting Multicast List with count = %d.\n", dev->mc.count);
if (dev->flags & IFF_PROMISC) {
/* Normally, we should configure the chip to retrive all packets
* but we don't wanna support this right now */
/* TODO: add promiscuous mode support */
PRINT_D(INIT_DBG, "Set promiscuous mode ON, retrive all packets\n");
return;
}
/* If there's more addresses than we handle, get all multicast
* packets and sort them out in software. */
if ((dev->flags & IFF_ALLMULTI) || (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) {
PRINT_D(INIT_DBG, "Disable multicast filter, retrive all multicast packets\n");
/* get all multicast packets */
host_int_setup_multicast_filter(pstrWFIDrv, false, 0);
return;
}
/* No multicast? Just get our own stuff */
if ((dev->mc.count) == 0) {
PRINT_D(INIT_DBG, "Enable multicast filter, retrive directed packets only.\n");
host_int_setup_multicast_filter(pstrWFIDrv, true, 0);
return;
}
/* Store all of the multicast addresses in the hardware filter */
netdev_for_each_mc_addr(ha, dev)
{
memcpy(gau8MulticastMacAddrList[i], ha->addr, ETH_ALEN);
PRINT_D(INIT_DBG, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i,
gau8MulticastMacAddrList[i][0], gau8MulticastMacAddrList[i][1], gau8MulticastMacAddrList[i][2], gau8MulticastMacAddrList[i][3], gau8MulticastMacAddrList[i][4], gau8MulticastMacAddrList[i][5]);
i++;
}
host_int_setup_multicast_filter(pstrWFIDrv, true, (dev->mc.count));
return;
}
static void linux_wlan_tx_complete(void *priv, int status)
{
struct tx_complete_data *pv_data = (struct tx_complete_data *)priv;
if (status == 1)
PRINT_D(TX_DBG, "Packet sent successfully - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
else
PRINT_D(TX_DBG, "Couldn't send packet - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
/* Free the SK Buffer, its work is done */
dev_kfree_skb(pv_data->skb);
kfree(pv_data);
}
int mac_xmit(struct sk_buff *skb, struct net_device *ndev)
{
perInterface_wlan_t *nic;
struct tx_complete_data *tx_data = NULL;
int QueueCount;
char *pu8UdpBuffer;
struct iphdr *ih;
struct ethhdr *eth_h;
struct wilc *wilc;
nic = netdev_priv(ndev);
wilc = nic->wilc;
PRINT_D(TX_DBG, "Sending packet just received from TCP/IP\n");
/* Stop the network interface queue */
if (skb->dev != ndev) {
PRINT_ER("Packet not destined to this device\n");
return 0;
}
tx_data = kmalloc(sizeof(struct tx_complete_data), GFP_ATOMIC);
if (tx_data == NULL) {
PRINT_ER("Failed to allocate memory for tx_data structure\n");
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 == 0x8e88)
PRINT_D(INIT_DBG, "EAPOL transmitted\n");
/*get source and dest ip addresses*/
ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
pu8UdpBuffer = (char *)ih + sizeof(struct iphdr);
if ((pu8UdpBuffer[1] == 68 && pu8UdpBuffer[3] == 67) || (pu8UdpBuffer[1] == 67 && pu8UdpBuffer[3] == 68))
PRINT_D(GENERIC_DBG, "DHCP Message transmitted, type:%x %x %x\n", pu8UdpBuffer[248], pu8UdpBuffer[249], pu8UdpBuffer[250]);
PRINT_D(TX_DBG, "Sending packet - Size = %d - Address = %p - SKB = %p\n", tx_data->size, tx_data->buff, tx_data->skb);
/* Send packet to MAC HW - for now the tx_complete function will be just status
* indicator. still not sure if I need to suspend host transmission till the tx_complete
* function called or not?
* allocated buffer will be freed in tx_complete function.
*/
PRINT_D(TX_DBG, "Adding tx packet to TX Queue\n");
nic->netstats.tx_packets++;
nic->netstats.tx_bytes += tx_data->size;
tx_data->pBssid = wilc->vif[nic->u8IfIdx].bssid;
QueueCount = wilc_wlan_txq_add_net_pkt(ndev, (void *)tx_data,
tx_data->buff, tx_data->size,
linux_wlan_tx_complete);
if (QueueCount > FLOW_CONTROL_UPPER_THRESHOLD) {
netif_stop_queue(wilc->vif[0].ndev);
netif_stop_queue(wilc->vif[1].ndev);
}
return 0;
}
int mac_close(struct net_device *ndev)
{
struct wilc_priv *priv;
perInterface_wlan_t *nic;
struct host_if_drv *pstrWFIDrv;
struct wilc *wl;
nic = netdev_priv(ndev);
if ((nic == NULL) || (nic->wilc_netdev == NULL) || (nic->wilc_netdev->ieee80211_ptr == NULL) || (nic->wilc_netdev->ieee80211_ptr->wiphy == NULL)) {
PRINT_ER("nic = NULL\n");
return 0;
}
priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
wl = nic->wilc;
if (priv == NULL) {
PRINT_ER("priv = NULL\n");
return 0;
}
pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
PRINT_D(GENERIC_DBG, "Mac close\n");
if (!wl) {
PRINT_ER("wl = NULL\n");
return 0;
}
if (pstrWFIDrv == NULL) {
PRINT_ER("pstrWFIDrv = NULL\n");
return 0;
}
if ((wl->open_ifcs) > 0) {
wl->open_ifcs--;
} else {
PRINT_ER("ERROR: MAC close called while number of opened interfaces is zero\n");
return 0;
}
if (nic->wilc_netdev != NULL) {
/* Stop the network interface queue */
netif_stop_queue(nic->wilc_netdev);
wilc_deinit_host_int(nic->wilc_netdev);
}
if (wl->open_ifcs == 0) {
PRINT_D(GENERIC_DBG, "Deinitializing wilc1000\n");
wl->close = 1;
wilc1000_wlan_deinit(ndev);
WILC_WFI_deinit_mon_interface();
}
up(&close_exit_sync);
nic->mac_opened = 0;
return 0;
}
int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
{
u8 *buff = NULL;
s8 rssi;
u32 size = 0, length = 0;
perInterface_wlan_t *nic;
struct wilc_priv *priv;
s32 s32Error = 0;
struct wilc *wilc;
/* struct iwreq *wrq = (struct iwreq *) req; // tony moved to case SIOCSIWPRIV */
nic = netdev_priv(ndev);
wilc = nic->wilc;
if (!wilc->initialized)
return 0;
switch (cmd) {
/* ]] 2013-06-24 */
case SIOCSIWPRIV:
{
struct iwreq *wrq = (struct iwreq *) req; /* added by tony */
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) {
priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
s32Error = host_int_get_rssi(priv->hWILCWFIDrv, &(rssi));
if (s32Error)
PRINT_ER("Failed to send get rssi param's message queue ");
PRINT_INFO(GENERIC_DBG, "RSSI :%d\n", rssi);
/*Rounding up the rssi negative value*/
rssi += 5;
snprintf(buff, size, "rssi %d", rssi);
if (copy_to_user(wrq->u.data.pointer, buff, size)) {
PRINT_ER("%s: failed to copy data to user buffer\n", __func__);
s32Error = -EFAULT;
goto done;
}
}
}
}
break;
default:
{
PRINT_INFO(GENERIC_DBG, "Command - %d - has been received\n", cmd);
s32Error = -EOPNOTSUPP;
goto done;
}
}
done:
kfree(buff);
return s32Error;
}
void 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;
perInterface_wlan_t *nic;
wilc_netdev = GetIfHandler(wilc, buff);
if (wilc_netdev == NULL)
return;
buff += pkt_offset;
nic = netdev_priv(wilc_netdev);
if (size > 0) {
frame_len = size;
buff_to_send = buff;
/* Need to send the packet up to the host, allocate a skb buffer */
skb = dev_alloc_skb(frame_len);
if (skb == NULL) {
PRINT_ER("Low memory - packet droped\n");
return;
}
if (wilc == NULL || wilc_netdev == NULL)
PRINT_ER("wilc_netdev in wilc is NULL");
skb->dev = wilc_netdev;
if (skb->dev == NULL)
PRINT_ER("skb->dev is NULL\n");
/*
* for(i=0;i<40;i++)
* {
* if(i<frame_len)
* WILC_PRINTF("buff_to_send[%d]=%2x\n",i,buff_to_send[i]);
*
* }*/
/* skb_put(skb, frame_len); */
memcpy(skb_put(skb, frame_len), buff_to_send, frame_len);
/* WILC_PRINTF("After MEM_CPY\n"); */
/* nic = netdev_priv(wilc_netdev); */
skb->protocol = eth_type_trans(skb, wilc_netdev);
/* Send the packet to the stack by giving it to the bridge */
nic->netstats.rx_packets++;
nic->netstats.rx_bytes += frame_len;
skb->ip_summed = CHECKSUM_UNNECESSARY;
stats = netif_rx(skb);
PRINT_D(RX_DBG, "netif_rx ret value is: %d\n", stats);
}
}
void WILC_WFI_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size)
{
int i = 0;
perInterface_wlan_t *nic;
/*Pass the frame on the monitor interface, if any.*/
/*Otherwise, pass it on p2p0 netdev, if registered on it*/
for (i = 0; i < wilc->vif_num; i++) {
nic = netdev_priv(wilc->vif[i].ndev);
if (nic->monitor_flag) {
WILC_WFI_monitor_rx(buff, size);
return;
}
}
nic = netdev_priv(wilc->vif[1].ndev); /* p2p0 */
if ((buff[0] == nic->g_struct_frame_reg[0].frame_type && nic->g_struct_frame_reg[0].reg) ||
(buff[0] == nic->g_struct_frame_reg[1].frame_type && nic->g_struct_frame_reg[1].reg))
WILC_WFI_p2p_rx(wilc->vif[1].ndev, buff, size);
}
void wl_wlan_cleanup(void)
{
int i = 0;
perInterface_wlan_t *nic[NUM_CONCURRENT_IFC];
if (g_linux_wlan &&
(g_linux_wlan->vif[0].ndev || g_linux_wlan->vif[1].ndev)) {
unregister_inetaddr_notifier(&g_dev_notifier);
for (i = 0; i < NUM_CONCURRENT_IFC; i++)
nic[i] = netdev_priv(g_linux_wlan->vif[i].ndev);
}
if (g_linux_wlan && g_linux_wlan->firmware)
release_firmware(g_linux_wlan->firmware);
if (g_linux_wlan &&
(g_linux_wlan->vif[0].ndev || g_linux_wlan->vif[1].ndev)) {
linux_wlan_lock_timeout(&close_exit_sync, 12 * 1000);
for (i = 0; i < NUM_CONCURRENT_IFC; i++)
if (g_linux_wlan->vif[i].ndev)
if (nic[i]->mac_opened)
mac_close(g_linux_wlan->vif[i].ndev);
for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
unregister_netdev(g_linux_wlan->vif[i].ndev);
wilc_free_wiphy(g_linux_wlan->vif[i].ndev);
free_netdev(g_linux_wlan->vif[i].ndev);
}
}
kfree(g_linux_wlan);
#if defined(WILC_DEBUGFS)
wilc_debugfs_remove();
#endif
linux_wlan_device_detection(0);
linux_wlan_device_power(0);
}
int wilc_netdev_init(struct wilc **wilc)
{
int i;
perInterface_wlan_t *nic;
struct net_device *ndev;
sema_init(&close_exit_sync, 0);
/*create the common structure*/
g_linux_wlan = kzalloc(sizeof(*g_linux_wlan), GFP_KERNEL);
if (!g_linux_wlan)
return -ENOMEM;
*wilc = g_linux_wlan;
register_inetaddr_notifier(&g_dev_notifier);
for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
/*allocate first ethernet device with perinterface_wlan_t as its private data*/
ndev = alloc_etherdev(sizeof(perInterface_wlan_t));
if (!ndev) {
PRINT_ER("Failed to allocate ethernet dev\n");
return -1;
}
nic = netdev_priv(ndev);
memset(nic, 0, sizeof(perInterface_wlan_t));
/*Name the Devices*/
if (i == 0) {
#if defined(NM73131) /* tony, 2012-09-20 */
strcpy(ndev->name, "wilc_eth%d");
#elif defined(PLAT_CLM9722) /* rachel */
strcpy(ndev->name, "eth%d");
#else /* PANDA_BOARD, PLAT_ALLWINNER_A10, PLAT_ALLWINNER_A20, PLAT_ALLWINNER_A31, PLAT_AML8726_M3 or PLAT_WMS8304 */
strcpy(ndev->name, "wlan%d");
#endif
} else
strcpy(ndev->name, "p2p%d");
nic->u8IfIdx = g_linux_wlan->vif_num;
nic->wilc_netdev = ndev;
nic->wilc = *wilc;
g_linux_wlan->vif[g_linux_wlan->vif_num].ndev = ndev;
g_linux_wlan->vif_num++;
ndev->netdev_ops = &wilc_netdev_ops;
{
struct wireless_dev *wdev;
/*Register WiFi*/
wdev = wilc_create_wiphy(ndev);
#ifdef WILC_SDIO
/* set netdev, tony */
SET_NETDEV_DEV(ndev, &local_sdio_func->dev);
#endif
if (wdev == NULL) {
PRINT_ER("Can't register WILC Wiphy\n");
return -1;
}
/*linking the wireless_dev structure with the netdevice*/
nic->wilc_netdev->ieee80211_ptr = wdev;
nic->wilc_netdev->ml_priv = nic;
wdev->netdev = nic->wilc_netdev;
nic->netstats.rx_packets = 0;
nic->netstats.tx_packets = 0;
nic->netstats.rx_bytes = 0;
nic->netstats.tx_bytes = 0;
}
if (register_netdev(ndev)) {
PRINT_ER("Device couldn't be registered - %s\n", ndev->name);
return -1; /* ERROR */
}
nic->iftype = STATION_MODE;
nic->mac_opened = 0;
}
#ifndef WILC_SDIO
if (!linux_spi_init(&g_linux_wlan->wilc_spidev)) {
PRINT_ER("Can't initialize SPI\n");
return -1; /* ERROR */
}
g_linux_wlan->wilc_spidev = wilc_spi_dev;
#else
g_linux_wlan->wilc_sdio_func = local_sdio_func;
#endif
return 0;
}
/*The 1st function called after module inserted*/
static int __init init_wilc_driver(void)
{
#ifdef WILC_SPI
struct wilc *wilc;
#endif
#if defined(WILC_DEBUGFS)
if (wilc_debugfs_init() < 0) {
PRINT_D(GENERIC_DBG, "fail to create debugfs for wilc driver\n");
return -1;
}
#endif
printk("IN INIT FUNCTION\n");
printk("*** WILC1000 driver VERSION=[10.2] FW_VER=[10.2] ***\n");
linux_wlan_device_power(1);
msleep(100);
linux_wlan_device_detection(1);
#ifdef WILC_SDIO
{
int ret;
ret = sdio_register_driver(&wilc_bus);
if (ret < 0)
PRINT_D(INIT_DBG, "init_wilc_driver: Failed register sdio driver\n");
return ret;
}
#else
PRINT_D(INIT_DBG, "Initializing netdev\n");
if (wilc_netdev_init(&wilc))
PRINT_ER("Couldn't initialize netdev\n");
return 0;
#endif
}
late_initcall(init_wilc_driver);
static void __exit exit_wilc_driver(void)
{
#ifndef WILC_SDIO
PRINT_D(INIT_DBG, "SPI unregister...\n");
spi_unregister_driver(&wilc_bus);
#else
PRINT_D(INIT_DBG, "SDIO unregister...\n");
sdio_unregister_driver(&wilc_bus);
#endif
}
module_exit(exit_wilc_driver);
MODULE_LICENSE("GPL");