// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
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* All rights reserved.
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*/
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#include <linux/irq.h>
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#include <linux/kthread.h>
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#include <linux/firmware.h>
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#include <linux/netdevice.h>
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#include <linux/inetdevice.h>
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#include "wilc_wfi_cfgoperations.h"
|
|
bool wilc_enable_ps = true;
|
|
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};
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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);
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if (!vif || !hif_drv)
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return NOTIFY_DONE;
|
|
switch (event) {
|
case NETDEV_UP:
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if (vif->iftype == STATION_MODE || vif->iftype == CLIENT_MODE) {
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hif_drv->ifc_up = 1;
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wilc_optaining_ip = false;
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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;
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netdev_dbg(dev, "IP add=%d:%d:%d:%d\n",
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ip_addr_buf[0], ip_addr_buf[1],
|
ip_addr_buf[2], ip_addr_buf[3]);
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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;
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wilc_optaining_ip = false;
|
}
|
|
if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0)
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wilc_set_power_mgmt(vif, 0, 0);
|
|
wilc_resolve_disconnect_aberration(vif);
|
|
netdev_dbg(dev, "[%s] Down IP\n", dev_iface->ifa_label);
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ip_addr_buf = null_ip;
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netdev_dbg(dev, "IP add=%d:%d:%d:%d\n",
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ip_addr_buf[0], ip_addr_buf[1],
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ip_addr_buf[2], ip_addr_buf[3]);
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wilc_setup_ipaddress(vif, ip_addr_buf, vif->idx);
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|
break;
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default:
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break;
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}
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return NOTIFY_DONE;
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}
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static irqreturn_t isr_uh_routine(int irq, void *user_data)
|
{
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struct net_device *dev = user_data;
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struct wilc_vif *vif = netdev_priv(dev);
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struct wilc *wilc = vif->wilc;
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if (wilc->close) {
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netdev_err(dev, "Can't handle UH interrupt\n");
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return IRQ_HANDLED;
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}
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return IRQ_WAKE_THREAD;
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}
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static irqreturn_t isr_bh_routine(int irq, void *userdata)
|
{
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struct net_device *dev = userdata;
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struct wilc_vif *vif = netdev_priv(userdata);
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struct wilc *wilc = vif->wilc;
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|
if (wilc->close) {
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netdev_err(dev, "Can't handle BH interrupt\n");
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return IRQ_HANDLED;
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}
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wilc_handle_isr(wilc);
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return IRQ_HANDLED;
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}
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static int init_irq(struct net_device *dev)
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{
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int ret = 0;
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struct wilc_vif *vif = netdev_priv(dev);
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struct wilc *wl = vif->wilc;
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ret = gpiod_direction_input(wl->gpio_irq);
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if (ret) {
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netdev_err(dev, "could not obtain gpio for WILC_INTR\n");
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return ret;
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}
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wl->dev_irq_num = gpiod_to_irq(wl->gpio_irq);
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ret = request_threaded_irq(wl->dev_irq_num, isr_uh_routine,
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isr_bh_routine,
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IRQF_TRIGGER_LOW | IRQF_ONESHOT,
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"WILC_IRQ", dev);
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if (ret < 0)
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netdev_err(dev, "Failed to request IRQ\n");
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else
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netdev_dbg(dev, "IRQ request succeeded IRQ-NUM= %d\n",
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wl->dev_irq_num);
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return ret;
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}
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static void deinit_irq(struct net_device *dev)
|
{
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struct wilc_vif *vif = netdev_priv(dev);
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struct wilc *wilc = vif->wilc;
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/* Deinitialize IRQ */
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if (wilc->dev_irq_num)
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free_irq(wilc->dev_irq_num, wilc);
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}
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void wilc_mac_indicate(struct wilc *wilc)
|
{
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int status;
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wilc_wlan_cfg_get_val(WID_STATUS, (unsigned char *)&status, 4);
|
if (wilc->mac_status == MAC_STATUS_INIT) {
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wilc->mac_status = status;
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complete(&wilc->sync_event);
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} else {
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wilc->mac_status = status;
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}
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}
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static struct net_device *get_if_handler(struct wilc *wilc, u8 *mac_header)
|
{
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u8 *bssid, *bssid1;
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int i = 0;
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bssid = mac_header + 10;
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bssid1 = mac_header + 4;
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for (i = 0; i < wilc->vif_num; i++) {
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if (wilc->vif[i]->mode == STATION_MODE)
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if (ether_addr_equal_unaligned(bssid,
|
wilc->vif[i]->bssid))
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return wilc->vif[i]->ndev;
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if (wilc->vif[i]->mode == AP_MODE)
|
if (ether_addr_equal_unaligned(bssid1,
|
wilc->vif[i]->bssid))
|
return wilc->vif[i]->ndev;
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}
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return NULL;
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}
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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);
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vif->mode = mode;
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|
return 0;
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}
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int wilc_wlan_get_num_conn_ifcs(struct wilc *wilc)
|
{
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u8 i = 0;
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u8 null_bssid[6] = {0};
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u8 ret_val = 0;
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for (i = 0; i < wilc->vif_num; i++)
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if (memcmp(wilc->vif[i]->bssid, null_bssid, 6))
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ret_val++;
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return ret_val;
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}
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static int linux_wlan_txq_task(void *vp)
|
{
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int ret;
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u32 txq_count;
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struct net_device *dev = vp;
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struct wilc_vif *vif = netdev_priv(dev);
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struct wilc *wl = vif->wilc;
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complete(&wl->txq_thread_started);
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while (1) {
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wait_for_completion(&wl->txq_event);
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|
if (wl->close) {
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complete(&wl->txq_thread_started);
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|
while (!kthread_should_stop())
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schedule();
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break;
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}
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do {
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ret = wilc_wlan_handle_txq(dev, &txq_count);
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if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD) {
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if (netif_queue_stopped(wl->vif[0]->ndev))
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netif_wake_queue(wl->vif[0]->ndev);
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if (netif_queue_stopped(wl->vif[1]->ndev))
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netif_wake_queue(wl->vif[1]->ndev);
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}
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} while (ret == WILC_TX_ERR_NO_BUF && !wl->close);
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}
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return 0;
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}
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static int wilc_wlan_get_firmware(struct net_device *dev)
|
{
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struct wilc_vif *vif = netdev_priv(dev);
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struct wilc *wilc = vif->wilc;
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int chip_id, ret = 0;
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const struct firmware *wilc_firmware;
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char *firmware;
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chip_id = wilc_get_chipid(wilc, false);
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if (chip_id < 0x1003a0)
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firmware = FIRMWARE_1002;
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else
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firmware = FIRMWARE_1003;
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netdev_info(dev, "loading firmware %s\n", firmware);
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if (!(&vif->ndev->dev))
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goto fail;
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if (request_firmware(&wilc_firmware, firmware, wilc->dev) != 0) {
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netdev_err(dev, "%s - firmware not available\n", firmware);
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ret = -1;
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goto fail;
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}
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wilc->firmware = wilc_firmware;
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|
fail:
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|
return ret;
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}
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static int linux_wlan_start_firmware(struct net_device *dev)
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{
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struct wilc_vif *vif = netdev_priv(dev);
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struct wilc *wilc = vif->wilc;
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int ret = 0;
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ret = wilc_wlan_start(wilc);
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if (ret < 0)
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return ret;
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if (!wait_for_completion_timeout(&wilc->sync_event,
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msecs_to_jiffies(5000)))
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return -ETIME;
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return 0;
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}
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static int wilc1000_firmware_download(struct net_device *dev)
|
{
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struct wilc_vif *vif = netdev_priv(dev);
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struct wilc *wilc = vif->wilc;
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int ret = 0;
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if (!wilc->firmware) {
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netdev_err(dev, "Firmware buffer is NULL\n");
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return -ENOBUFS;
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}
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ret = wilc_wlan_firmware_download(wilc, wilc->firmware->data,
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wilc->firmware->size);
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if (ret < 0)
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return ret;
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release_firmware(wilc->firmware);
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wilc->firmware = NULL;
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netdev_dbg(dev, "Download Succeeded\n");
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return 0;
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}
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static int linux_wlan_init_test_config(struct net_device *dev,
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struct wilc_vif *vif)
|
{
|
unsigned char c_val[64];
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struct wilc *wilc = vif->wilc;
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struct wilc_priv *priv;
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struct host_if_drv *hif_drv;
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netdev_dbg(dev, "Start configuring Firmware\n");
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priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
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hif_drv = (struct host_if_drv *)priv->hif_drv;
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netdev_dbg(dev, "Host = %p\n", hif_drv);
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wilc_get_chipid(wilc, false);
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*(int *)c_val = 1;
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|
if (!wilc_wlan_cfg_set(vif, 1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0))
|
goto fail;
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c_val[0] = 0;
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if (!wilc_wlan_cfg_set(vif, 0, WID_PC_TEST_MODE, c_val, 1, 0, 0))
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goto fail;
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c_val[0] = INFRASTRUCTURE;
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if (!wilc_wlan_cfg_set(vif, 0, WID_BSS_TYPE, c_val, 1, 0, 0))
|
goto fail;
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c_val[0] = AUTORATE;
|
if (!wilc_wlan_cfg_set(vif, 0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0))
|
goto fail;
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|
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;
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|
c_val[0] = 1;
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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;
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|
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;
|
}
|
|
static int wlan_deinit_locks(struct net_device *dev)
|
{
|
struct wilc_vif *vif = netdev_priv(dev);
|
struct wilc *wilc = vif->wilc;
|
|
mutex_destroy(&wilc->hif_cs);
|
mutex_destroy(&wilc->rxq_cs);
|
mutex_destroy(&wilc->txq_add_to_head_cs);
|
|
return 0;
|
}
|
|
static void wlan_deinitialize_threads(struct net_device *dev)
|
{
|
struct wilc_vif *vif = netdev_priv(dev);
|
struct wilc *wl = vif->wilc;
|
|
wl->close = 1;
|
|
complete(&wl->txq_event);
|
|
if (wl->txq_thread) {
|
kthread_stop(wl->txq_thread);
|
wl->txq_thread = NULL;
|
}
|
}
|
|
static void wilc_wlan_deinitialize(struct net_device *dev)
|
{
|
struct wilc_vif *vif = netdev_priv(dev);
|
struct wilc *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);
|
}
|
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");
|
}
|
}
|
|
static int wlan_init_locks(struct net_device *dev)
|
{
|
struct wilc_vif *vif = netdev_priv(dev);
|
struct wilc *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;
|
}
|
|
static int wlan_initialize_threads(struct net_device *dev)
|
{
|
struct wilc_vif *vif = netdev_priv(dev);
|
struct wilc *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;
|
}
|
|
static int wilc_wlan_initialize(struct net_device *dev, struct wilc_vif *vif)
|
{
|
int ret = 0;
|
struct wilc *wl = vif->wilc;
|
|
if (!wl->initialized) {
|
wl->mac_status = MAC_STATUS_INIT;
|
wl->close = 0;
|
|
wlan_init_locks(dev);
|
|
ret = wilc_wlan_init(dev);
|
if (ret < 0) {
|
ret = -EIO;
|
goto fail_locks;
|
}
|
|
ret = wlan_initialize_threads(dev);
|
if (ret < 0) {
|
ret = -EIO;
|
goto fail_wilc_wlan;
|
}
|
|
if (wl->gpio_irq && init_irq(dev)) {
|
ret = -EIO;
|
goto fail_threads;
|
}
|
|
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);
|
fail_threads:
|
wlan_deinitialize_threads(dev);
|
fail_wilc_wlan:
|
wilc_wlan_cleanup(dev);
|
fail_locks:
|
wlan_deinit_locks(dev);
|
netdev_err(dev, "WLAN initialization FAILED\n");
|
} else {
|
netdev_dbg(dev, "wilc1000 already initialized\n");
|
}
|
return ret;
|
}
|
|
static int mac_init_fn(struct net_device *ndev)
|
{
|
netif_start_queue(ndev);
|
netif_stop_queue(ndev);
|
|
return 0;
|
}
|
|
static int wilc_mac_open(struct net_device *ndev)
|
{
|
struct wilc_vif *vif = netdev_priv(ndev);
|
struct wilc *wl = vif->wilc;
|
unsigned char mac_add[ETH_ALEN] = {0};
|
int ret = 0;
|
int i = 0;
|
|
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 = wilc_wlan_initialize(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) {
|
wilc_set_wfi_drv_handler(vif, wilc_get_vif_idx(vif),
|
vif->iftype, vif->ifc_id);
|
wilc_set_operation_mode(vif, vif->iftype);
|
break;
|
}
|
}
|
|
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);
|
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);
|
wilc_wlan_deinitialize(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;
|
}
|
|
static struct net_device_stats *mac_stats(struct net_device *dev)
|
{
|
struct wilc_vif *vif = netdev_priv(dev);
|
|
return &vif->netstats;
|
}
|
|
static void wilc_set_multicast_list(struct net_device *dev)
|
{
|
struct netdev_hw_addr *ha;
|
struct wilc_vif *vif = netdev_priv(dev);
|
int i = 0;
|
|
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));
|
}
|
|
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);
|
}
|
|
netdev_tx_t wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev)
|
{
|
struct wilc_vif *vif = netdev_priv(ndev);
|
struct wilc *wilc = vif->wilc;
|
struct tx_complete_data *tx_data = NULL;
|
int queue_count;
|
char *udp_buf;
|
struct iphdr *ih;
|
struct ethhdr *eth_h;
|
|
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;
|
}
|
|
static int wilc_mac_close(struct net_device *ndev)
|
{
|
struct wilc_priv *priv;
|
struct wilc_vif *vif = netdev_priv(ndev);
|
struct host_if_drv *hif_drv;
|
struct wilc *wl;
|
|
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;
|
wilc_wlan_deinitialize(ndev);
|
wilc_wfi_deinit_mon_interface();
|
}
|
|
vif->mac_opened = 0;
|
|
return 0;
|
}
|
|
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;
|
|
skb_put_data(skb, 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);
|
}
|
}
|
|
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);
|
}
|
|
static struct notifier_block g_dev_notifier = {
|
.notifier_call = dev_state_ev_handler
|
};
|
|
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);
|
}
|
EXPORT_SYMBOL_GPL(wilc_netdev_cleanup);
|
|
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_get_stats = mac_stats,
|
.ndo_set_rx_mode = wilc_set_multicast_list,
|
};
|
|
int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type,
|
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->hif_func = ops;
|
INIT_LIST_HEAD(&wl->txq_head.list);
|
INIT_LIST_HEAD(&wl->rxq_head.list);
|
|
register_inetaddr_notifier(&g_dev_notifier);
|
|
for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
|
struct wireless_dev *wdev;
|
|
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");
|
vif->ifc_id = 1;
|
} else {
|
strcpy(ndev->name, "p2p%d");
|
vif->ifc_id = 0;
|
}
|
vif->wilc = *wilc;
|
vif->ndev = ndev;
|
wl->vif[i] = vif;
|
wl->vif_num = i + 1;
|
vif->idx = i;
|
|
ndev->netdev_ops = &wilc_netdev_ops;
|
|
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;
|
}
|
EXPORT_SYMBOL_GPL(wilc_netdev_init);
|
|
MODULE_LICENSE("GPL");
|
