--- /dev/null
+/******************************************************************************
+ * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
+ * Linux device driver for RTL8192U
+ *
+ * Based on the r8187 driver, which is:
+ * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al.
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * Jerry chuang <wlanfae@realtek.com>
+ */
+
+#ifndef CONFIG_FORCE_HARD_FLOAT
+double __floatsidf(int i)
+{
+ return i;
+}
+
+unsigned int __fixunsdfsi(double d)
+{
+ return d;
+}
+
+double __adddf3(double a, double b)
+{
+ return a+b;
+}
+
+double __addsf3(float a, float b)
+{
+ return a+b;
+}
+
+double __subdf3(double a, double b)
+{
+ return a-b;
+}
+
+double __extendsfdf2(float a)
+{
+ return a;
+}
+#endif
+
+#define CONFIG_RTL8192_IO_MAP
+
+#include <asm/uaccess.h>
+#include "r8192U_hw.h"
+#include "r8192U.h"
+#include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
+#include "r8180_93cx6.h" /* Card EEPROM */
+#include "r8192U_wx.h"
+#include "r819xU_phy.h" //added by WB 4.30.2008
+#include "r819xU_phyreg.h"
+#include "r819xU_cmdpkt.h"
+#include "r8192U_dm.h"
+#include <linux/usb.h>
+#include <linux/slab.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+// FIXME: check if 2.6.7 is ok
+
+#include "dot11d.h"
+//set here to open your trace code. //WB
+u32 rt_global_debug_component = COMP_DOWN |
+ COMP_SEC |
+ COMP_ERR; //always open err flags on
+
+#define TOTAL_CAM_ENTRY 32
+#define CAM_CONTENT_COUNT 8
+
+static const struct usb_device_id rtl8192_usb_id_tbl[] = {
+ /* Realtek */
+ {USB_DEVICE(0x0bda, 0x8709)},
+ /* Corega */
+ {USB_DEVICE(0x07aa, 0x0043)},
+ /* Belkin */
+ {USB_DEVICE(0x050d, 0x805E)},
+ /* Sitecom */
+ {USB_DEVICE(0x0df6, 0x0031)},
+ /* EnGenius */
+ {USB_DEVICE(0x1740, 0x9201)},
+ /* Dlink */
+ {USB_DEVICE(0x2001, 0x3301)},
+ /* Zinwell */
+ {USB_DEVICE(0x5a57, 0x0290)},
+ /* LG */
+ {USB_DEVICE(0x043e, 0x7a01)},
+ {}
+};
+
+MODULE_LICENSE("GPL");
+MODULE_VERSION("V 1.1");
+MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
+MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
+
+static char *ifname = "wlan%d";
+static int hwwep = 1; //default use hw. set 0 to use software security
+static int channels = 0x3fff;
+
+
+
+module_param(ifname, charp, S_IRUGO|S_IWUSR);
+module_param(hwwep, int, S_IRUGO|S_IWUSR);
+module_param(channels, int, S_IRUGO|S_IWUSR);
+
+MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
+MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
+MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
+
+static int rtl8192_usb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id);
+static void rtl8192_usb_disconnect(struct usb_interface *intf);
+
+
+static struct usb_driver rtl8192_usb_driver = {
+ .name = RTL819xU_MODULE_NAME, /* Driver name */
+ .id_table = rtl8192_usb_id_tbl, /* PCI_ID table */
+ .probe = rtl8192_usb_probe, /* probe fn */
+ .disconnect = rtl8192_usb_disconnect, /* remove fn */
+ .suspend = NULL, /* PM suspend fn */
+ .resume = NULL, /* PM resume fn */
+};
+
+
+struct CHANNEL_LIST {
+ u8 Channel[32];
+ u8 Len;
+};
+
+static struct CHANNEL_LIST ChannelPlan[] = {
+ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 24}, //FCC
+ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11}, //IC
+ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, //ETSI
+ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, //Spain. Change to ETSI.
+ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, //France. Change to ETSI.
+ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, //MKK //MKK
+ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},//MKK1
+ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, //Israel.
+ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, // For 11a , TELEC
+ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, //MIC
+ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14} //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
+};
+
+static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
+{
+ int i, max_chan = -1, min_chan = -1;
+ struct ieee80211_device *ieee = priv->ieee80211;
+ switch (channel_plan) {
+ case COUNTRY_CODE_FCC:
+ case COUNTRY_CODE_IC:
+ case COUNTRY_CODE_ETSI:
+ case COUNTRY_CODE_SPAIN:
+ case COUNTRY_CODE_FRANCE:
+ case COUNTRY_CODE_MKK:
+ case COUNTRY_CODE_MKK1:
+ case COUNTRY_CODE_ISRAEL:
+ case COUNTRY_CODE_TELEC:
+ case COUNTRY_CODE_MIC:
+ Dot11d_Init(ieee);
+ ieee->bGlobalDomain = false;
+ //actually 8225 & 8256 rf chips only support B,G,24N mode
+ if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
+ min_chan = 1;
+ max_chan = 14;
+ } else {
+ RT_TRACE(COMP_ERR, "unknown rf chip, can't set channel map in function:%s()\n", __func__);
+ }
+ if (ChannelPlan[channel_plan].Len != 0) {
+ // Clear old channel map
+ memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
+ // Set new channel map
+ for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
+ if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
+ break;
+ GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
+ }
+ }
+ break;
+
+ case COUNTRY_CODE_GLOBAL_DOMAIN:
+ GET_DOT11D_INFO(ieee)->bEnabled = 0;//this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain settings.
+ Dot11d_Reset(ieee);
+ ieee->bGlobalDomain = true;
+ break;
+
+ default:
+ break;
+ }
+}
+
+
+
+
+static void CamResetAllEntry(struct net_device *dev)
+{
+ u32 ulcommand = 0;
+ //2004/02/11 In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA associate to AP.
+ // However, ResetKey is called on OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest
+ // In this condition, Cam can not be reset because upper layer will not set this static key again.
+ ulcommand |= BIT31|BIT30;
+ write_nic_dword(dev, RWCAM, ulcommand);
+
+}
+
+
+void write_cam(struct net_device *dev, u8 addr, u32 data)
+{
+ write_nic_dword(dev, WCAMI, data);
+ write_nic_dword(dev, RWCAM, BIT31|BIT16|(addr&0xff));
+}
+
+u32 read_cam(struct net_device *dev, u8 addr)
+{
+ u32 data;
+
+ write_nic_dword(dev, RWCAM, 0x80000000|(addr&0xff));
+ read_nic_dword(dev, 0xa8, &data);
+ return data;
+}
+
+void write_nic_byte_E(struct net_device *dev, int indx, u8 data)
+{
+ int status;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct usb_device *udev = priv->udev;
+
+ status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
+ indx|0xfe00, 0, &data, 1, HZ / 2);
+
+ if (status < 0)
+ netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n", status);
+}
+
+int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
+{
+ int status;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct usb_device *udev = priv->udev;
+
+ status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
+ indx|0xfe00, 0, data, 1, HZ / 2);
+
+ if (status < 0) {
+ netdev_err(dev, "%s failure status: %d\n", __func__, status);
+ return status;
+ }
+
+ return 0;
+}
+//as 92U has extend page from 4 to 16, so modify functions below.
+void write_nic_byte(struct net_device *dev, int indx, u8 data)
+{
+ int status;
+
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct usb_device *udev = priv->udev;
+
+ status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
+ (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 1, HZ / 2);
+
+ if (status < 0)
+ netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status);
+
+
+}
+
+
+void write_nic_word(struct net_device *dev, int indx, u16 data)
+{
+
+ int status;
+
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct usb_device *udev = priv->udev;
+
+ status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
+ (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 2, HZ / 2);
+
+ if (status < 0)
+ netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
+
+}
+
+
+void write_nic_dword(struct net_device *dev, int indx, u32 data)
+{
+
+ int status;
+
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct usb_device *udev = priv->udev;
+
+ status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
+ (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 4, HZ / 2);
+
+
+ if (status < 0)
+ netdev_err(dev, "write_nic_dword TimeOut! status: %d\n", status);
+
+}
+
+
+
+int read_nic_byte(struct net_device *dev, int indx, u8 *data)
+{
+ int status;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct usb_device *udev = priv->udev;
+
+ status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
+ (indx&0xff)|0xff00, (indx>>8)&0x0f, data, 1, HZ / 2);
+
+ if (status < 0) {
+ netdev_err(dev, "%s failure status: %d\n", __func__, status);
+ return status;
+ }
+
+ return 0;
+}
+
+
+
+int read_nic_word(struct net_device *dev, int indx, u16 *data)
+{
+ int status;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct usb_device *udev = priv->udev;
+
+ status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
+ (indx&0xff)|0xff00, (indx>>8)&0x0f,
+ data, 2, HZ / 2);
+
+ if (status < 0) {
+ netdev_err(dev, "%s failure status: %d\n", __func__, status);
+ return status;
+ }
+
+ return 0;
+}
+
+static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
+{
+ int status;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct usb_device *udev = priv->udev;
+
+ status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
+ indx|0xfe00, 0, data, 2, HZ / 2);
+
+ if (status < 0) {
+ netdev_err(dev, "%s failure status: %d\n", __func__, status);
+ return status;
+ }
+
+ return 0;
+}
+
+int read_nic_dword(struct net_device *dev, int indx, u32 *data)
+{
+ int status;
+
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct usb_device *udev = priv->udev;
+
+ status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
+ (indx&0xff)|0xff00, (indx>>8)&0x0f,
+ data, 4, HZ / 2);
+
+ if (status < 0) {
+ netdev_err(dev, "%s failure status: %d\n", __func__, status);
+ return status;
+ }
+
+ return 0;
+}
+
+/* u8 read_phy_cck(struct net_device *dev, u8 adr); */
+/* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
+/* this might still called in what was the PHY rtl8185/rtl8192 common code
+ * plans are to possibility turn it again in one common code...
+ */
+inline void force_pci_posting(struct net_device *dev)
+{
+}
+
+static struct net_device_stats *rtl8192_stats(struct net_device *dev);
+static void rtl8192_restart(struct work_struct *work);
+static void watch_dog_timer_callback(unsigned long data);
+
+/****************************************************************************
+ * -----------------------------PROCFS STUFF-------------------------
+*****************************************************************************
+ */
+
+static struct proc_dir_entry *rtl8192_proc;
+
+static int proc_get_stats_ap(struct seq_file *m, void *v)
+{
+ struct net_device *dev = m->private;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct ieee80211_device *ieee = priv->ieee80211;
+ struct ieee80211_network *target;
+
+ list_for_each_entry(target, &ieee->network_list, list) {
+ const char *wpa = "non_WPA";
+ if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
+ wpa = "WPA";
+
+ seq_printf(m, "%s %s\n", target->ssid, wpa);
+ }
+
+ return 0;
+}
+
+static int proc_get_registers(struct seq_file *m, void *v)
+{
+ struct net_device *dev = m->private;
+ int i, n, max = 0xff;
+ u8 byte_rd;
+
+ seq_puts(m, "\n####################page 0##################\n ");
+
+ for (n = 0; n <= max;) {
+ seq_printf(m, "\nD: %2x > ", n);
+
+ for (i = 0; i < 16 && n <= max; i++, n++) {
+ read_nic_byte(dev, 0x000|n, &byte_rd);
+ seq_printf(m, "%2x ", byte_rd);
+ }
+ }
+
+ seq_puts(m, "\n####################page 1##################\n ");
+ for (n = 0; n <= max;) {
+ seq_printf(m, "\nD: %2x > ", n);
+
+ for (i = 0; i < 16 && n <= max; i++, n++) {
+ read_nic_byte(dev, 0x100|n, &byte_rd);
+ seq_printf(m, "%2x ", byte_rd);
+ }
+ }
+
+ seq_puts(m, "\n####################page 3##################\n ");
+ for (n = 0; n <= max;) {
+ seq_printf(m, "\nD: %2x > ", n);
+
+ for (i = 0; i < 16 && n <= max; i++, n++) {
+ read_nic_byte(dev, 0x300|n, &byte_rd);
+ seq_printf(m, "%2x ", byte_rd);
+ }
+ }
+
+ seq_putc(m, '\n');
+ return 0;
+}
+
+static int proc_get_stats_tx(struct seq_file *m, void *v)
+{
+ struct net_device *dev = m->private;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+
+ seq_printf(m,
+ "TX VI priority ok int: %lu\n"
+ "TX VI priority error int: %lu\n"
+ "TX VO priority ok int: %lu\n"
+ "TX VO priority error int: %lu\n"
+ "TX BE priority ok int: %lu\n"
+ "TX BE priority error int: %lu\n"
+ "TX BK priority ok int: %lu\n"
+ "TX BK priority error int: %lu\n"
+ "TX MANAGE priority ok int: %lu\n"
+ "TX MANAGE priority error int: %lu\n"
+ "TX BEACON priority ok int: %lu\n"
+ "TX BEACON priority error int: %lu\n"
+ "TX queue resume: %lu\n"
+ "TX queue stopped?: %d\n"
+ "TX fifo overflow: %lu\n"
+ "TX VI queue: %d\n"
+ "TX VO queue: %d\n"
+ "TX BE queue: %d\n"
+ "TX BK queue: %d\n"
+ "TX VI dropped: %lu\n"
+ "TX VO dropped: %lu\n"
+ "TX BE dropped: %lu\n"
+ "TX BK dropped: %lu\n"
+ "TX total data packets %lu\n",
+ priv->stats.txviokint,
+ priv->stats.txvierr,
+ priv->stats.txvookint,
+ priv->stats.txvoerr,
+ priv->stats.txbeokint,
+ priv->stats.txbeerr,
+ priv->stats.txbkokint,
+ priv->stats.txbkerr,
+ priv->stats.txmanageokint,
+ priv->stats.txmanageerr,
+ priv->stats.txbeaconokint,
+ priv->stats.txbeaconerr,
+ priv->stats.txresumed,
+ netif_queue_stopped(dev),
+ priv->stats.txoverflow,
+ atomic_read(&(priv->tx_pending[VI_PRIORITY])),
+ atomic_read(&(priv->tx_pending[VO_PRIORITY])),
+ atomic_read(&(priv->tx_pending[BE_PRIORITY])),
+ atomic_read(&(priv->tx_pending[BK_PRIORITY])),
+ priv->stats.txvidrop,
+ priv->stats.txvodrop,
+ priv->stats.txbedrop,
+ priv->stats.txbkdrop,
+ priv->stats.txdatapkt
+ );
+
+ return 0;
+}
+
+static int proc_get_stats_rx(struct seq_file *m, void *v)
+{
+ struct net_device *dev = m->private;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+
+ seq_printf(m,
+ "RX packets: %lu\n"
+ "RX urb status error: %lu\n"
+ "RX invalid urb error: %lu\n",
+ priv->stats.rxoktotal,
+ priv->stats.rxstaterr,
+ priv->stats.rxurberr);
+
+ return 0;
+}
+
+static void rtl8192_proc_module_init(void)
+{
+ RT_TRACE(COMP_INIT, "Initializing proc filesystem");
+ rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
+}
+
+/*
+ * seq_file wrappers for procfile show routines.
+ */
+static int rtl8192_proc_open(struct inode *inode, struct file *file)
+{
+ struct net_device *dev = proc_get_parent_data(inode);
+ int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
+
+ return single_open(file, show, dev);
+}
+
+static const struct file_operations rtl8192_proc_fops = {
+ .open = rtl8192_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+/*
+ * Table of proc files we need to create.
+ */
+struct rtl8192_proc_file {
+ char name[12];
+ int (*show)(struct seq_file *, void *);
+};
+
+static const struct rtl8192_proc_file rtl8192_proc_files[] = {
+ { "stats-rx", &proc_get_stats_rx },
+ { "stats-tx", &proc_get_stats_tx },
+ { "stats-ap", &proc_get_stats_ap },
+ { "registers", &proc_get_registers },
+ { "" }
+};
+
+static void rtl8192_proc_init_one(struct net_device *dev)
+{
+ const struct rtl8192_proc_file *f;
+ struct proc_dir_entry *dir;
+
+ if (rtl8192_proc) {
+ dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
+ if (!dir) {
+ RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
+ dev->name);
+ return;
+ }
+
+ for (f = rtl8192_proc_files; f->name[0]; f++) {
+ if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
+ &rtl8192_proc_fops, f->show)) {
+ RT_TRACE(COMP_ERR, "Unable to initialize "
+ "/proc/net/rtl8192/%s/%s\n",
+ dev->name, f->name);
+ return;
+ }
+ }
+ }
+}
+
+static void rtl8192_proc_remove_one(struct net_device *dev)
+{
+ remove_proc_subtree(dev->name, rtl8192_proc);
+}
+
+/****************************************************************************
+ -----------------------------MISC STUFF-------------------------
+*****************************************************************************/
+
+short check_nic_enough_desc(struct net_device *dev, int queue_index)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ int used = atomic_read(&priv->tx_pending[queue_index]);
+
+ return (used < MAX_TX_URB);
+}
+
+static void tx_timeout(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+ schedule_work(&priv->reset_wq);
+}
+
+void rtl8192_update_msr(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u8 msr;
+
+ read_nic_byte(dev, MSR, &msr);
+ msr &= ~MSR_LINK_MASK;
+
+ /* do not change in link_state != WLAN_LINK_ASSOCIATED.
+ * msr must be updated if the state is ASSOCIATING.
+ * this is intentional and make sense for ad-hoc and
+ * master (see the create BSS/IBSS func)
+ */
+ if (priv->ieee80211->state == IEEE80211_LINKED) {
+
+ if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
+ msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
+ else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
+ msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
+ else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
+ msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
+
+ } else {
+ msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
+ }
+
+ write_nic_byte(dev, MSR, msr);
+}
+
+void rtl8192_set_chan(struct net_device *dev, short ch)
+{
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
+ priv->chan = ch;
+
+ /* this hack should avoid frame TX during channel setting*/
+
+ //need to implement rf set channel here WB
+
+ if (priv->rf_set_chan)
+ priv->rf_set_chan(dev, priv->chan);
+ mdelay(10);
+}
+
+static void rtl8192_rx_isr(struct urb *urb);
+
+static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
+{
+
+ return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
+ + pstats->RxBufShift);
+
+}
+static int rtl8192_rx_initiate(struct net_device *dev)
+{
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct urb *entry;
+ struct sk_buff *skb;
+ struct rtl8192_rx_info *info;
+
+ /* nomal packet rx procedure */
+ while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
+ skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
+ if (!skb)
+ break;
+ entry = usb_alloc_urb(0, GFP_KERNEL);
+ if (!entry) {
+ kfree_skb(skb);
+ break;
+ }
+ usb_fill_bulk_urb(entry, priv->udev,
+ usb_rcvbulkpipe(priv->udev, 3), skb_tail_pointer(skb),
+ RX_URB_SIZE, rtl8192_rx_isr, skb);
+ info = (struct rtl8192_rx_info *) skb->cb;
+ info->urb = entry;
+ info->dev = dev;
+ info->out_pipe = 3; //denote rx normal packet queue
+ skb_queue_tail(&priv->rx_queue, skb);
+ usb_submit_urb(entry, GFP_KERNEL);
+ }
+
+ /* command packet rx procedure */
+ while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
+ skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
+ if (!skb)
+ break;
+ entry = usb_alloc_urb(0, GFP_KERNEL);
+ if (!entry) {
+ kfree_skb(skb);
+ break;
+ }
+ usb_fill_bulk_urb(entry, priv->udev,
+ usb_rcvbulkpipe(priv->udev, 9), skb_tail_pointer(skb),
+ RX_URB_SIZE, rtl8192_rx_isr, skb);
+ info = (struct rtl8192_rx_info *) skb->cb;
+ info->urb = entry;
+ info->dev = dev;
+ info->out_pipe = 9; //denote rx cmd packet queue
+ skb_queue_tail(&priv->rx_queue, skb);
+ usb_submit_urb(entry, GFP_KERNEL);
+ }
+
+ return 0;
+}
+
+void rtl8192_set_rxconf(struct net_device *dev)
+{
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ u32 rxconf;
+
+ read_nic_dword(dev, RCR, &rxconf);
+ rxconf = rxconf & ~MAC_FILTER_MASK;
+ rxconf = rxconf | RCR_AMF;
+ rxconf = rxconf | RCR_ADF;
+ rxconf = rxconf | RCR_AB;
+ rxconf = rxconf | RCR_AM;
+
+ if (dev->flags & IFF_PROMISC)
+ DMESG("NIC in promisc mode");
+
+ if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
+ dev->flags & IFF_PROMISC) {
+ rxconf = rxconf | RCR_AAP;
+ } else {
+ rxconf = rxconf | RCR_APM;
+ rxconf = rxconf | RCR_CBSSID;
+ }
+
+
+ if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
+ rxconf = rxconf | RCR_AICV;
+ rxconf = rxconf | RCR_APWRMGT;
+ }
+
+ if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
+ rxconf = rxconf | RCR_ACRC32;
+
+
+ rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
+ rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE<<RX_FIFO_THRESHOLD_SHIFT);
+ rxconf = rxconf & ~MAX_RX_DMA_MASK;
+ rxconf = rxconf | ((u32)7<<RCR_MXDMA_OFFSET);
+
+ rxconf = rxconf | RCR_ONLYERLPKT;
+
+ write_nic_dword(dev, RCR, rxconf);
+}
+//wait to be removed
+void rtl8192_rx_enable(struct net_device *dev)
+{
+ rtl8192_rx_initiate(dev);
+}
+
+
+void rtl8192_tx_enable(struct net_device *dev)
+{
+}
+
+
+
+void rtl8192_rtx_disable(struct net_device *dev)
+{
+ u8 cmd;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ struct sk_buff *skb;
+ struct rtl8192_rx_info *info;
+
+ read_nic_byte(dev, CMDR, &cmd);
+ write_nic_byte(dev, CMDR, cmd & ~(CR_TE|CR_RE));
+ force_pci_posting(dev);
+ mdelay(10);
+
+ while ((skb = __skb_dequeue(&priv->rx_queue))) {
+ info = (struct rtl8192_rx_info *) skb->cb;
+ if (!info->urb)
+ continue;
+
+ usb_kill_urb(info->urb);
+ kfree_skb(skb);
+ }
+
+ if (skb_queue_len(&priv->skb_queue))
+ netdev_warn(dev, "skb_queue not empty\n");
+
+ skb_queue_purge(&priv->skb_queue);
+}
+
+inline u16 ieeerate2rtlrate(int rate)
+{
+ switch (rate) {
+ case 10:
+ return 0;
+ case 20:
+ return 1;
+ case 55:
+ return 2;
+ case 110:
+ return 3;
+ case 60:
+ return 4;
+ case 90:
+ return 5;
+ case 120:
+ return 6;
+ case 180:
+ return 7;
+ case 240:
+ return 8;
+ case 360:
+ return 9;
+ case 480:
+ return 10;
+ case 540:
+ return 11;
+ default:
+ return 3;
+
+ }
+}
+static u16 rtl_rate[] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540};
+inline u16 rtl8192_rate2rate(short rate)
+{
+ if (rate > 11)
+ return 0;
+ return rtl_rate[rate];
+}
+
+
+/* The prototype of rx_isr has changed since one version of Linux Kernel */
+static void rtl8192_rx_isr(struct urb *urb)
+{
+ struct sk_buff *skb = (struct sk_buff *) urb->context;
+ struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
+ struct net_device *dev = info->dev;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ int out_pipe = info->out_pipe;
+ int err;
+ if (!priv->up)
+ return;
+ if (unlikely(urb->status)) {
+ info->urb = NULL;
+ priv->stats.rxstaterr++;
+ priv->ieee80211->stats.rx_errors++;
+ usb_free_urb(urb);
+ return;
+ }
+ skb_unlink(skb, &priv->rx_queue);
+ skb_put(skb, urb->actual_length);
+
+ skb_queue_tail(&priv->skb_queue, skb);
+ tasklet_schedule(&priv->irq_rx_tasklet);
+
+ skb = dev_alloc_skb(RX_URB_SIZE);
+ if (unlikely(!skb)) {
+ usb_free_urb(urb);
+ netdev_err(dev, "%s(): can't alloc skb\n", __func__);
+ /* TODO check rx queue length and refill *somewhere* */
+ return;
+ }
+
+ usb_fill_bulk_urb(urb, priv->udev,
+ usb_rcvbulkpipe(priv->udev, out_pipe), skb_tail_pointer(skb),
+ RX_URB_SIZE, rtl8192_rx_isr, skb);
+
+ info = (struct rtl8192_rx_info *) skb->cb;
+ info->urb = urb;
+ info->dev = dev;
+ info->out_pipe = out_pipe;
+
+ urb->transfer_buffer = skb_tail_pointer(skb);
+ urb->context = skb;
+ skb_queue_tail(&priv->rx_queue, skb);
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err && err != EPERM)
+ netdev_err(dev, "can not submit rxurb, err is %x, URB status is %x\n", err, urb->status);
+}
+
+static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
+ struct ieee80211_rx_stats *pstats)
+{
+ u32 status;
+
+ status = cmpk_message_handle_rx(dev, pstats);
+ if (status)
+ DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
+
+ return status;
+}
+
+
+static void rtl8192_data_hard_stop(struct net_device *dev)
+{
+ //FIXME !!
+}
+
+
+static void rtl8192_data_hard_resume(struct net_device *dev)
+{
+ // FIXME !!
+}
+
+/* this function TX data frames when the ieee80211 stack requires this.
+ * It checks also if we need to stop the ieee tx queue, eventually do it
+ */
+static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
+{
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ int ret;
+ unsigned long flags;
+ cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
+ u8 queue_index = tcb_desc->queue_index;
+
+ /* shall not be referred by command packet */
+ RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
+
+ spin_lock_irqsave(&priv->tx_lock, flags);
+
+ memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
+ tcb_desc->bTxEnableFwCalcDur = 1;
+ skb_push(skb, priv->ieee80211->tx_headroom);
+ ret = rtl8192_tx(dev, skb);
+
+ spin_unlock_irqrestore(&priv->tx_lock, flags);
+}
+
+/* This is a rough attempt to TX a frame
+ * This is called by the ieee 80211 stack to TX management frames.
+ * If the ring is full packet are dropped (for data frame the queue
+ * is stopped before this can happen).
+ */
+static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ int ret;
+ unsigned long flags;
+ cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
+ u8 queue_index = tcb_desc->queue_index;
+
+
+ spin_lock_irqsave(&priv->tx_lock, flags);
+
+ memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
+ if (queue_index == TXCMD_QUEUE) {
+ skb_push(skb, USB_HWDESC_HEADER_LEN);
+ rtl819xU_tx_cmd(dev, skb);
+ ret = 1;
+ spin_unlock_irqrestore(&priv->tx_lock, flags);
+ return ret;
+ } else {
+ skb_push(skb, priv->ieee80211->tx_headroom);
+ ret = rtl8192_tx(dev, skb);
+ }
+
+ spin_unlock_irqrestore(&priv->tx_lock, flags);
+
+ return ret;
+}
+
+
+void rtl8192_try_wake_queue(struct net_device *dev, int pri);
+
+static void rtl8192_tx_isr(struct urb *tx_urb)
+{
+ struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
+ struct net_device *dev = (struct net_device *)(skb->cb);
+ struct r8192_priv *priv = NULL;
+ cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
+ u8 queue_index = tcb_desc->queue_index;
+
+ priv = ieee80211_priv(dev);
+
+ if (tcb_desc->queue_index != TXCMD_QUEUE) {
+ if (tx_urb->status == 0) {
+ dev->trans_start = jiffies;
+ priv->stats.txoktotal++;
+ priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
+ priv->stats.txbytesunicast += (skb->len - priv->ieee80211->tx_headroom);
+ } else {
+ priv->ieee80211->stats.tx_errors++;
+ /* TODO */
+ }
+ }
+
+ /* free skb and tx_urb */
+ if (skb != NULL) {
+ dev_kfree_skb_any(skb);
+ usb_free_urb(tx_urb);
+ atomic_dec(&priv->tx_pending[queue_index]);
+ }
+
+ //
+ // Handle HW Beacon:
+ // We had transfer our beacon frame to host controller at this moment.
+ //
+ //
+ // Caution:
+ // Handling the wait queue of command packets.
+ // For Tx command packets, we must not do TCB fragment because it is not handled right now.
+ // We must cut the packets to match the size of TX_CMD_PKT before we send it.
+ //
+
+ /* Handle MPDU in wait queue. */
+ if (queue_index != BEACON_QUEUE) {
+ /* Don't send data frame during scanning.*/
+ if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
+ (!(priv->ieee80211->queue_stop))) {
+ skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
+ if (skb)
+ priv->ieee80211->softmac_hard_start_xmit(skb, dev);
+
+ return; //modified by david to avoid further processing AMSDU
+ }
+ }
+
+}
+
+static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ struct ieee80211_network *net;
+ u8 i = 0, basic_rate = 0;
+ net = &priv->ieee80211->current_network;
+
+ for (i = 0; i < net->rates_len; i++) {
+ basic_rate = net->rates[i]&0x7f;
+ switch (basic_rate) {
+ case MGN_1M:
+ *rate_config |= RRSR_1M;
+ break;
+ case MGN_2M:
+ *rate_config |= RRSR_2M;
+ break;
+ case MGN_5_5M:
+ *rate_config |= RRSR_5_5M;
+ break;
+ case MGN_11M:
+ *rate_config |= RRSR_11M;
+ break;
+ case MGN_6M:
+ *rate_config |= RRSR_6M;
+ break;
+ case MGN_9M:
+ *rate_config |= RRSR_9M;
+ break;
+ case MGN_12M:
+ *rate_config |= RRSR_12M;
+ break;
+ case MGN_18M:
+ *rate_config |= RRSR_18M;
+ break;
+ case MGN_24M:
+ *rate_config |= RRSR_24M;
+ break;
+ case MGN_36M:
+ *rate_config |= RRSR_36M;
+ break;
+ case MGN_48M:
+ *rate_config |= RRSR_48M;
+ break;
+ case MGN_54M:
+ *rate_config |= RRSR_54M;
+ break;
+ }
+ }
+ for (i = 0; i < net->rates_ex_len; i++) {
+ basic_rate = net->rates_ex[i]&0x7f;
+ switch (basic_rate) {
+ case MGN_1M:
+ *rate_config |= RRSR_1M;
+ break;
+ case MGN_2M:
+ *rate_config |= RRSR_2M;
+ break;
+ case MGN_5_5M:
+ *rate_config |= RRSR_5_5M;
+ break;
+ case MGN_11M:
+ *rate_config |= RRSR_11M;
+ break;
+ case MGN_6M:
+ *rate_config |= RRSR_6M;
+ break;
+ case MGN_9M:
+ *rate_config |= RRSR_9M;
+ break;
+ case MGN_12M:
+ *rate_config |= RRSR_12M;
+ break;
+ case MGN_18M:
+ *rate_config |= RRSR_18M;
+ break;
+ case MGN_24M:
+ *rate_config |= RRSR_24M;
+ break;
+ case MGN_36M:
+ *rate_config |= RRSR_36M;
+ break;
+ case MGN_48M:
+ *rate_config |= RRSR_48M;
+ break;
+ case MGN_54M:
+ *rate_config |= RRSR_54M;
+ break;
+ }
+ }
+}
+
+
+#define SHORT_SLOT_TIME 9
+#define NON_SHORT_SLOT_TIME 20
+
+static void rtl8192_update_cap(struct net_device *dev, u16 cap)
+{
+ u32 tmp = 0;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ struct ieee80211_network *net = &priv->ieee80211->current_network;
+ priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
+ tmp = priv->basic_rate;
+ if (priv->short_preamble)
+ tmp |= BRSR_AckShortPmb;
+ write_nic_dword(dev, RRSR, tmp);
+
+ if (net->mode & (IEEE_G|IEEE_N_24G)) {
+ u8 slot_time = 0;
+ if ((cap & WLAN_CAPABILITY_SHORT_SLOT) && (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime)) /* short slot time */
+ slot_time = SHORT_SLOT_TIME;
+ else //long slot time
+ slot_time = NON_SHORT_SLOT_TIME;
+ priv->slot_time = slot_time;
+ write_nic_byte(dev, SLOT_TIME, slot_time);
+ }
+
+}
+static void rtl8192_net_update(struct net_device *dev)
+{
+
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ struct ieee80211_network *net;
+ u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
+ u16 rate_config = 0;
+ net = &priv->ieee80211->current_network;
+
+ rtl8192_config_rate(dev, &rate_config);
+ priv->basic_rate = rate_config & 0x15f;
+
+ write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
+ write_nic_word(dev, BSSIDR+4, ((u16 *)net->bssid)[2]);
+
+ rtl8192_update_msr(dev);
+ if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
+ write_nic_word(dev, ATIMWND, 2);
+ write_nic_word(dev, BCN_DMATIME, 1023);
+ write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
+ write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
+ write_nic_byte(dev, BCN_ERR_THRESH, 100);
+ BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
+ // TODO: BcnIFS may required to be changed on ASIC
+ BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
+
+ write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
+ }
+
+
+
+}
+
+//temporary hw beacon is not used any more.
+//open it when necessary
+void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate)
+{
+
+}
+inline u8 rtl8192_IsWirelessBMode(u16 rate)
+{
+ if (((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220))
+ return 1;
+ else
+ return 0;
+}
+
+u16 N_DBPSOfRate(u16 DataRate);
+
+
+u16 N_DBPSOfRate(u16 DataRate)
+{
+ u16 N_DBPS = 24;
+
+ switch (DataRate) {
+ case 60:
+ N_DBPS = 24;
+ break;
+
+ case 90:
+ N_DBPS = 36;
+ break;
+
+ case 120:
+ N_DBPS = 48;
+ break;
+
+ case 180:
+ N_DBPS = 72;
+ break;
+
+ case 240:
+ N_DBPS = 96;
+ break;
+
+ case 360:
+ N_DBPS = 144;
+ break;
+
+ case 480:
+ N_DBPS = 192;
+ break;
+
+ case 540:
+ N_DBPS = 216;
+ break;
+
+ default:
+ break;
+ }
+
+ return N_DBPS;
+}
+
+short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ int status;
+ struct urb *tx_urb;
+ unsigned int idx_pipe;
+ tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
+ cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
+ u8 queue_index = tcb_desc->queue_index;
+
+ atomic_inc(&priv->tx_pending[queue_index]);
+ tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!tx_urb) {
+ dev_kfree_skb(skb);
+ return -ENOMEM;
+ }
+
+ memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
+ /* Tx descriptor ought to be set according to the skb->cb */
+ pdesc->FirstSeg = 1;//bFirstSeg;
+ pdesc->LastSeg = 1;//bLastSeg;
+ pdesc->CmdInit = tcb_desc->bCmdOrInit;
+ pdesc->TxBufferSize = tcb_desc->txbuf_size;
+ pdesc->OWN = 1;
+ pdesc->LINIP = tcb_desc->bLastIniPkt;
+
+ //----------------------------------------------------------------------------
+ // Fill up USB_OUT_CONTEXT.
+ //----------------------------------------------------------------------------
+ idx_pipe = 0x04;
+ usb_fill_bulk_urb(tx_urb, priv->udev, usb_sndbulkpipe(priv->udev, idx_pipe),
+ skb->data, skb->len, rtl8192_tx_isr, skb);
+
+ status = usb_submit_urb(tx_urb, GFP_ATOMIC);
+
+ if (!status) {
+ return 0;
+ } else {
+ DMESGE("Error TX CMD URB, error %d", status);
+ return -1;
+ }
+}
+
+/*
+ * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
+ * in TxFwInfo data structure
+ * 2006.10.30 by Emily
+ *
+ * \param QUEUEID Software Queue
+*/
+static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
+{
+ u8 QueueSelect = 0x0; //defualt set to
+
+ switch (QueueID) {
+ case BE_QUEUE:
+ QueueSelect = QSLT_BE;
+ break;
+
+ case BK_QUEUE:
+ QueueSelect = QSLT_BK;
+ break;
+
+ case VO_QUEUE:
+ QueueSelect = QSLT_VO;
+ break;
+
+ case VI_QUEUE:
+ QueueSelect = QSLT_VI;
+ break;
+ case MGNT_QUEUE:
+ QueueSelect = QSLT_MGNT;
+ break;
+
+ case BEACON_QUEUE:
+ QueueSelect = QSLT_BEACON;
+ break;
+
+ // TODO: 2006.10.30 mark other queue selection until we verify it is OK
+ // TODO: Remove Assertions
+ case TXCMD_QUEUE:
+ QueueSelect = QSLT_CMD;
+ break;
+ case HIGH_QUEUE:
+ QueueSelect = QSLT_HIGH;
+ break;
+
+ default:
+ RT_TRACE(COMP_ERR, "TransmitTCB(): Impossible Queue Selection: %d \n", QueueID);
+ break;
+ }
+ return QueueSelect;
+}
+
+static u8 MRateToHwRate8190Pci(u8 rate)
+{
+ u8 ret = DESC90_RATE1M;
+
+ switch (rate) {
+ case MGN_1M:
+ ret = DESC90_RATE1M;
+ break;
+ case MGN_2M:
+ ret = DESC90_RATE2M;
+ break;
+ case MGN_5_5M:
+ ret = DESC90_RATE5_5M;
+ break;
+ case MGN_11M:
+ ret = DESC90_RATE11M;
+ break;
+ case MGN_6M:
+ ret = DESC90_RATE6M;
+ break;
+ case MGN_9M:
+ ret = DESC90_RATE9M;
+ break;
+ case MGN_12M:
+ ret = DESC90_RATE12M;
+ break;
+ case MGN_18M:
+ ret = DESC90_RATE18M;
+ break;
+ case MGN_24M:
+ ret = DESC90_RATE24M;
+ break;
+ case MGN_36M:
+ ret = DESC90_RATE36M;
+ break;
+ case MGN_48M:
+ ret = DESC90_RATE48M;
+ break;
+ case MGN_54M:
+ ret = DESC90_RATE54M;
+ break;
+
+ /* HT rate since here */
+ case MGN_MCS0:
+ ret = DESC90_RATEMCS0;
+ break;
+ case MGN_MCS1:
+ ret = DESC90_RATEMCS1;
+ break;
+ case MGN_MCS2:
+ ret = DESC90_RATEMCS2;
+ break;
+ case MGN_MCS3:
+ ret = DESC90_RATEMCS3;
+ break;
+ case MGN_MCS4:
+ ret = DESC90_RATEMCS4;
+ break;
+ case MGN_MCS5:
+ ret = DESC90_RATEMCS5;
+ break;
+ case MGN_MCS6:
+ ret = DESC90_RATEMCS6;
+ break;
+ case MGN_MCS7:
+ ret = DESC90_RATEMCS7;
+ break;
+ case MGN_MCS8:
+ ret = DESC90_RATEMCS8;
+ break;
+ case MGN_MCS9:
+ ret = DESC90_RATEMCS9;
+ break;
+ case MGN_MCS10:
+ ret = DESC90_RATEMCS10;
+ break;
+ case MGN_MCS11:
+ ret = DESC90_RATEMCS11;
+ break;
+ case MGN_MCS12:
+ ret = DESC90_RATEMCS12;
+ break;
+ case MGN_MCS13:
+ ret = DESC90_RATEMCS13;
+ break;
+ case MGN_MCS14:
+ ret = DESC90_RATEMCS14;
+ break;
+ case MGN_MCS15:
+ ret = DESC90_RATEMCS15;
+ break;
+ case (0x80|0x20):
+ ret = DESC90_RATEMCS32;
+ break;
+
+ default:
+ break;
+ }
+ return ret;
+}
+
+
+static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
+{
+ u8 tmp_Short;
+
+ tmp_Short = (TxHT == 1) ? ((tcb_desc->bUseShortGI) ? 1 : 0) : ((tcb_desc->bUseShortPreamble) ? 1 : 0);
+
+ if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
+ tmp_Short = 0;
+
+ return tmp_Short;
+}
+
+static void tx_zero_isr(struct urb *tx_urb)
+{
+ return;
+}
+
+/*
+ * The tx procedure is just as following,
+ * skb->cb will contain all the following information,
+ * priority, morefrag, rate, &dev.
+ * */
+short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
+ tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
+ tx_fwinfo_819x_usb *tx_fwinfo = (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
+ struct usb_device *udev = priv->udev;
+ int pend;
+ int status;
+ struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
+ unsigned int idx_pipe;
+ pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
+ /* we are locked here so the two atomic_read and inc are executed
+ * without interleaves
+ * !!! For debug purpose
+ */
+ if (pend > MAX_TX_URB) {
+ netdev_dbg(dev, "To discard skb packet!\n");
+ dev_kfree_skb_any(skb);
+ return -1;
+ }
+
+ tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!tx_urb) {
+ dev_kfree_skb_any(skb);
+ return -ENOMEM;
+ }
+
+ /* Fill Tx firmware info */
+ memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
+ /* DWORD 0 */
+ tx_fwinfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
+ tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
+ tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
+ tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate, tcb_desc);
+ if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
+ tx_fwinfo->AllowAggregation = 1;
+ /* DWORD 1 */
+ tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
+ tx_fwinfo->RxAMD = tcb_desc->ampdu_density&0x07;//ampdudensity
+ } else {
+ tx_fwinfo->AllowAggregation = 0;
+ /* DWORD 1 */
+ tx_fwinfo->RxMF = 0;
+ tx_fwinfo->RxAMD = 0;
+ }
+
+ /* Protection mode related */
+ tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
+ tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
+ tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
+ tx_fwinfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
+ tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
+ tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
+ tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
+ tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
+ (tcb_desc->bRTSUseShortGI ? 1 : 0);
+
+ /* Set Bandwidth and sub-channel settings. */
+ if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
+ if (tcb_desc->bPacketBW) {
+ tx_fwinfo->TxBandwidth = 1;
+ tx_fwinfo->TxSubCarrier = 0; //By SD3's Jerry suggestion, use duplicated mode
+ } else {
+ tx_fwinfo->TxBandwidth = 0;
+ tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
+ }
+ } else {
+ tx_fwinfo->TxBandwidth = 0;
+ tx_fwinfo->TxSubCarrier = 0;
+ }
+
+ /* Fill Tx descriptor */
+ memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
+ /* DWORD 0 */
+ tx_desc->LINIP = 0;
+ tx_desc->CmdInit = 1;
+ tx_desc->Offset = sizeof(tx_fwinfo_819x_usb) + 8;
+ tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
+
+ /*DWORD 1*/
+ tx_desc->SecCAMID = 0;
+ tx_desc->RATid = tcb_desc->RATRIndex;
+ tx_desc->NoEnc = 1;
+ tx_desc->SecType = 0x0;
+ if (tcb_desc->bHwSec) {
+ switch (priv->ieee80211->pairwise_key_type) {
+ case KEY_TYPE_WEP40:
+ case KEY_TYPE_WEP104:
+ tx_desc->SecType = 0x1;
+ tx_desc->NoEnc = 0;
+ break;
+ case KEY_TYPE_TKIP:
+ tx_desc->SecType = 0x2;
+ tx_desc->NoEnc = 0;
+ break;
+ case KEY_TYPE_CCMP:
+ tx_desc->SecType = 0x3;
+ tx_desc->NoEnc = 0;
+ break;
+ case KEY_TYPE_NA:
+ tx_desc->SecType = 0x0;
+ tx_desc->NoEnc = 1;
+ break;
+ }
+ }
+
+ tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
+ tx_desc->TxFWInfoSize = sizeof(tx_fwinfo_819x_usb);
+
+ tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
+ tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
+
+ /* Fill fields that are required to be initialized in all of the descriptors */
+ //DWORD 0
+ tx_desc->FirstSeg = 1;
+ tx_desc->LastSeg = 1;
+ tx_desc->OWN = 1;
+
+ /* DWORD 2 */
+ tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
+ idx_pipe = 0x5;
+
+ /* To submit bulk urb */
+ usb_fill_bulk_urb(tx_urb, udev,
+ usb_sndbulkpipe(udev, idx_pipe), skb->data,
+ skb->len, rtl8192_tx_isr, skb);
+
+ status = usb_submit_urb(tx_urb, GFP_ATOMIC);
+ if (!status) {
+ //we need to send 0 byte packet whenever 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has been transmitted. Otherwise, it will be halt to wait for another packet. WB. 2008.08.27
+ bool bSend0Byte = false;
+ u8 zero = 0;
+ if (udev->speed == USB_SPEED_HIGH) {
+ if (skb->len > 0 && skb->len % 512 == 0)
+ bSend0Byte = true;
+ } else {
+ if (skb->len > 0 && skb->len % 64 == 0)
+ bSend0Byte = true;
+ }
+ if (bSend0Byte) {
+ tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!tx_urb_zero) {
+ RT_TRACE(COMP_ERR, "can't alloc urb for zero byte\n");
+ return -ENOMEM;
+ }
+ usb_fill_bulk_urb(tx_urb_zero, udev,
+ usb_sndbulkpipe(udev, idx_pipe), &zero,
+ 0, tx_zero_isr, dev);
+ status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
+ if (status) {
+ RT_TRACE(COMP_ERR, "Error TX URB for zero byte %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]), status);
+ return -1;
+ }
+ }
+ dev->trans_start = jiffies;
+ atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
+ return 0;
+ } else {
+ RT_TRACE(COMP_ERR, "Error TX URB %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
+ status);
+ return -1;
+ }
+}
+
+static short rtl8192_usb_initendpoints(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+ priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB+1),
+ GFP_KERNEL);
+ if (priv->rx_urb == NULL)
+ return -ENOMEM;
+
+#ifndef JACKSON_NEW_RX
+ for (i = 0; i < (MAX_RX_URB+1); i++) {
+
+ priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
+
+ priv->rx_urb[i]->transfer_buffer = kmalloc(RX_URB_SIZE, GFP_KERNEL);
+
+ priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
+ }
+#endif
+
+#ifdef THOMAS_BEACON
+ {
+ long align = 0;
+ void *oldaddr, *newaddr;
+
+ priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
+ priv->oldaddr = kmalloc(16, GFP_KERNEL);
+ oldaddr = priv->oldaddr;
+ align = ((long)oldaddr) & 3;
+ if (align) {
+ newaddr = oldaddr + 4 - align;
+ priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
+ } else {
+ newaddr = oldaddr;
+ priv->rx_urb[16]->transfer_buffer_length = 16;
+ }
+ priv->rx_urb[16]->transfer_buffer = newaddr;
+ }
+#endif
+
+ memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
+ priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
+ GFP_KERNEL);
+ if (!priv->pp_rxskb) {
+ kfree(priv->rx_urb);
+
+ priv->pp_rxskb = NULL;
+ priv->rx_urb = NULL;
+
+ DMESGE("Endpoint Alloc Failure");
+ return -ENOMEM;
+ }
+
+ netdev_dbg(dev, "End of initendpoints\n");
+ return 0;
+
+}
+#ifdef THOMAS_BEACON
+static void rtl8192_usb_deleteendpoints(struct net_device *dev)
+{
+ int i;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+ if (priv->rx_urb) {
+ for (i = 0; i < (MAX_RX_URB+1); i++) {
+ usb_kill_urb(priv->rx_urb[i]);
+ usb_free_urb(priv->rx_urb[i]);
+ }
+ kfree(priv->rx_urb);
+ priv->rx_urb = NULL;
+ }
+ kfree(priv->oldaddr);
+ priv->oldaddr = NULL;
+ if (priv->pp_rxskb) {
+ kfree(priv->pp_rxskb);
+ priv->pp_rxskb = NULL;
+ }
+}
+#else
+void rtl8192_usb_deleteendpoints(struct net_device *dev)
+{
+ int i;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+#ifndef JACKSON_NEW_RX
+
+ if (priv->rx_urb) {
+ for (i = 0; i < (MAX_RX_URB+1); i++) {
+ usb_kill_urb(priv->rx_urb[i]);
+ kfree(priv->rx_urb[i]->transfer_buffer);
+ usb_free_urb(priv->rx_urb[i]);
+ }
+ kfree(priv->rx_urb);
+ priv->rx_urb = NULL;
+
+ }
+#else
+ kfree(priv->rx_urb);
+ priv->rx_urb = NULL;
+ kfree(priv->oldaddr);
+ priv->oldaddr = NULL;
+ if (priv->pp_rxskb) {
+ kfree(priv->pp_rxskb);
+ priv->pp_rxskb = 0;
+
+ }
+
+#endif
+}
+#endif
+
+static void rtl8192_update_ratr_table(struct net_device *dev);
+static void rtl8192_link_change(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ struct ieee80211_device *ieee = priv->ieee80211;
+ if (ieee->state == IEEE80211_LINKED) {
+ rtl8192_net_update(dev);
+ rtl8192_update_ratr_table(dev);
+ //add this as in pure N mode, wep encryption will use software way, but there is no chance to set this as wep will not set group key in wext. WB.2008.07.08
+ if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
+ EnableHWSecurityConfig8192(dev);
+ }
+ /*update timing params*/
+ if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
+ u32 reg = 0;
+ read_nic_dword(dev, RCR, ®);
+ if (priv->ieee80211->state == IEEE80211_LINKED)
+ priv->ReceiveConfig = reg |= RCR_CBSSID;
+ else
+ priv->ReceiveConfig = reg &= ~RCR_CBSSID;
+ write_nic_dword(dev, RCR, reg);
+ }
+}
+
+static struct ieee80211_qos_parameters def_qos_parameters = {
+ {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
+ {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
+ {2, 2, 2, 2},/* aifs */
+ {0, 0, 0, 0},/* flags */
+ {0, 0, 0, 0} /* tx_op_limit */
+};
+
+
+static void rtl8192_update_beacon(struct work_struct *work)
+{
+ struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
+ struct net_device *dev = priv->ieee80211->dev;
+ struct ieee80211_device *ieee = priv->ieee80211;
+ struct ieee80211_network *net = &ieee->current_network;
+
+ if (ieee->pHTInfo->bCurrentHTSupport)
+ HTUpdateSelfAndPeerSetting(ieee, net);
+ ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
+ rtl8192_update_cap(dev, net->capability);
+}
+/*
+* background support to run QoS activate functionality
+*/
+static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK, EDCAPARA_VI, EDCAPARA_VO};
+static void rtl8192_qos_activate(struct work_struct *work)
+{
+ struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
+ struct net_device *dev = priv->ieee80211->dev;
+ struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
+ u8 mode = priv->ieee80211->current_network.mode;
+ u32 u1bAIFS;
+ u32 u4bAcParam;
+ u32 op_limit;
+ u32 cw_max;
+ u32 cw_min;
+ int i;
+
+ mutex_lock(&priv->mutex);
+ if (priv->ieee80211->state != IEEE80211_LINKED)
+ goto success;
+ RT_TRACE(COMP_QOS, "qos active process with associate response received\n");
+ /* It better set slot time at first */
+ /* For we just support b/g mode at present, let the slot time at 9/20 selection */
+ /* update the ac parameter to related registers */
+ for (i = 0; i < QOS_QUEUE_NUM; i++) {
+ //Mode G/A: slotTimeTimer = 9; Mode B: 20
+ u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ? 9 : 20) + aSifsTime;
+ u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
+ op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
+ op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
+ cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
+ cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
+ cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
+ cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
+ u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
+ write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
+ }
+
+success:
+ mutex_unlock(&priv->mutex);
+}
+
+static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
+ int active_network,
+ struct ieee80211_network *network)
+{
+ int ret = 0;
+ u32 size = sizeof(struct ieee80211_qos_parameters);
+
+ if (priv->ieee80211->state != IEEE80211_LINKED)
+ return ret;
+
+ if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
+ return ret;
+
+ if (network->flags & NETWORK_HAS_QOS_MASK) {
+ if (active_network &&
+ (network->flags & NETWORK_HAS_QOS_PARAMETERS))
+ network->qos_data.active = network->qos_data.supported;
+
+ if ((network->qos_data.active == 1) && (active_network == 1) &&
+ (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
+ (network->qos_data.old_param_count !=
+ network->qos_data.param_count)) {
+ network->qos_data.old_param_count =
+ network->qos_data.param_count;
+ queue_work(priv->priv_wq, &priv->qos_activate);
+ RT_TRACE(COMP_QOS, "QoS parameters change call "
+ "qos_activate\n");
+ }
+ } else {
+ memcpy(&priv->ieee80211->current_network.qos_data.parameters,
+ &def_qos_parameters, size);
+
+ if ((network->qos_data.active == 1) && (active_network == 1)) {
+ queue_work(priv->priv_wq, &priv->qos_activate);
+ RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate \n");
+ }
+ network->qos_data.active = 0;
+ network->qos_data.supported = 0;
+ }
+
+ return 0;
+}
+
+/* handle and manage frame from beacon and probe response */
+static int rtl8192_handle_beacon(struct net_device *dev,
+ struct ieee80211_beacon *beacon,
+ struct ieee80211_network *network)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+ rtl8192_qos_handle_probe_response(priv, 1, network);
+ queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
+ return 0;
+
+}
+
+/*
+* handling the beaconing responses. if we get different QoS setting
+* off the network from the associated setting, adjust the QoS
+* setting
+*/
+static int rtl8192_qos_association_resp(struct r8192_priv *priv,
+ struct ieee80211_network *network)
+{
+ unsigned long flags;
+ u32 size = sizeof(struct ieee80211_qos_parameters);
+ int set_qos_param = 0;
+
+ if ((priv == NULL) || (network == NULL))
+ return 0;
+
+ if (priv->ieee80211->state != IEEE80211_LINKED)
+ return 0;
+
+ if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
+ return 0;
+
+ spin_lock_irqsave(&priv->ieee80211->lock, flags);
+ if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
+ memcpy(&priv->ieee80211->current_network.qos_data.parameters,
+ &network->qos_data.parameters,
+ sizeof(struct ieee80211_qos_parameters));
+ priv->ieee80211->current_network.qos_data.active = 1;
+ set_qos_param = 1;
+ /* update qos parameter for current network */
+ priv->ieee80211->current_network.qos_data.old_param_count =
+ priv->ieee80211->current_network.qos_data.param_count;
+ priv->ieee80211->current_network.qos_data.param_count =
+ network->qos_data.param_count;
+ } else {
+ memcpy(&priv->ieee80211->current_network.qos_data.parameters,
+ &def_qos_parameters, size);
+ priv->ieee80211->current_network.qos_data.active = 0;
+ priv->ieee80211->current_network.qos_data.supported = 0;
+ set_qos_param = 1;
+ }
+
+ spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
+
+ RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__, network->flags, priv->ieee80211->current_network.qos_data.active);
+ if (set_qos_param == 1)
+ queue_work(priv->priv_wq, &priv->qos_activate);
+
+
+ return 0;
+}
+
+
+static int rtl8192_handle_assoc_response(struct net_device *dev,
+ struct ieee80211_assoc_response_frame *resp,
+ struct ieee80211_network *network)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ rtl8192_qos_association_resp(priv, network);
+ return 0;
+}
+
+
+static void rtl8192_update_ratr_table(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ struct ieee80211_device *ieee = priv->ieee80211;
+ u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
+ u32 ratr_value = 0;
+ u8 rate_index = 0;
+ rtl8192_config_rate(dev, (u16 *)(&ratr_value));
+ ratr_value |= (*(u16 *)(pMcsRate)) << 12;
+ switch (ieee->mode) {
+ case IEEE_A:
+ ratr_value &= 0x00000FF0;
+ break;
+ case IEEE_B:
+ ratr_value &= 0x0000000F;
+ break;
+ case IEEE_G:
+ ratr_value &= 0x00000FF7;
+ break;
+ case IEEE_N_24G:
+ case IEEE_N_5G:
+ if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
+ ratr_value &= 0x0007F007;
+ } else {
+ if (priv->rf_type == RF_1T2R)
+ ratr_value &= 0x000FF007;
+ else
+ ratr_value &= 0x0F81F007;
+ }
+ break;
+ default:
+ break;
+ }
+ ratr_value &= 0x0FFFFFFF;
+ if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
+ ratr_value |= 0x80000000;
+ else if (!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz)
+ ratr_value |= 0x80000000;
+ write_nic_dword(dev, RATR0+rate_index*4, ratr_value);
+ write_nic_byte(dev, UFWP, 1);
+}
+
+static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
+static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
+static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ struct ieee80211_device *ieee = priv->ieee80211;
+ struct ieee80211_network *network = &ieee->current_network;
+ int wpa_ie_len = ieee->wpa_ie_len;
+ struct ieee80211_crypt_data *crypt;
+ int encrypt;
+
+ crypt = ieee->crypt[ieee->tx_keyidx];
+ //we use connecting AP's capability instead of only security config on our driver to distinguish whether it should use N mode or G mode
+ encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) || (ieee->host_encrypt && crypt && crypt->ops && (0 == strcmp(crypt->ops->name, "WEP")));
+
+ /* simply judge */
+ if (encrypt && (wpa_ie_len == 0)) {
+ /* wep encryption, no N mode setting */
+ return false;
+ } else if ((wpa_ie_len != 0)) {
+ /* parse pairwise key type */
+ if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4))) || ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4))))
+ return true;
+ else
+ return false;
+ } else {
+ return true;
+ }
+
+ return true;
+}
+
+static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
+{
+ bool Reval;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ struct ieee80211_device *ieee = priv->ieee80211;
+
+ if (ieee->bHalfWirelessN24GMode == true)
+ Reval = true;
+ else
+ Reval = false;
+
+ return Reval;
+}
+
+static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
+{
+ struct ieee80211_device *ieee = priv->ieee80211;
+ //we do not consider set support rate for ABG mode, only HT MCS rate is set here.
+ if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
+ memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
+ else
+ memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
+}
+
+static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u8 ret = 0;
+ switch (priv->rf_chip) {
+ case RF_8225:
+ case RF_8256:
+ case RF_PSEUDO_11N:
+ ret = WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B;
+ break;
+ case RF_8258:
+ ret = WIRELESS_MODE_A|WIRELESS_MODE_N_5G;
+ break;
+ default:
+ ret = WIRELESS_MODE_B;
+ break;
+ }
+ return ret;
+}
+static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
+
+ if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode) == 0)) {
+ if (bSupportMode & WIRELESS_MODE_N_24G) {
+ wireless_mode = WIRELESS_MODE_N_24G;
+ } else if (bSupportMode & WIRELESS_MODE_N_5G) {
+ wireless_mode = WIRELESS_MODE_N_5G;
+ } else if ((bSupportMode & WIRELESS_MODE_A)) {
+ wireless_mode = WIRELESS_MODE_A;
+ } else if ((bSupportMode & WIRELESS_MODE_G)) {
+ wireless_mode = WIRELESS_MODE_G;
+ } else if ((bSupportMode & WIRELESS_MODE_B)) {
+ wireless_mode = WIRELESS_MODE_B;
+ } else {
+ RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __func__, bSupportMode);
+ wireless_mode = WIRELESS_MODE_B;
+ }
+ }
+#ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we should wait for FPGA
+ ActUpdateChannelAccessSetting(pAdapter, pHalData->CurrentWirelessMode, &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
+#endif
+ priv->ieee80211->mode = wireless_mode;
+
+ if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G))
+ priv->ieee80211->pHTInfo->bEnableHT = 1;
+ else
+ priv->ieee80211->pHTInfo->bEnableHT = 0;
+ RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
+ rtl8192_refresh_supportrate(priv);
+
+}
+//init priv variables here. only non_zero value should be initialized here.
+static void rtl8192_init_priv_variable(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u8 i;
+ priv->card_8192 = NIC_8192U;
+ priv->chan = 1; //set to channel 1
+ priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
+ priv->ieee80211->iw_mode = IW_MODE_INFRA;
+ priv->ieee80211->ieee_up = 0;
+ priv->retry_rts = DEFAULT_RETRY_RTS;
+ priv->retry_data = DEFAULT_RETRY_DATA;
+ priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
+ priv->ieee80211->rate = 110; //11 mbps
+ priv->ieee80211->short_slot = 1;
+ priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
+ priv->CckPwEnl = 6;
+ //for silent reset
+ priv->IrpPendingCount = 1;
+ priv->ResetProgress = RESET_TYPE_NORESET;
+ priv->bForcedSilentReset = false;
+ priv->bDisableNormalResetCheck = false;
+ priv->force_reset = false;
+
+ priv->ieee80211->FwRWRF = 0; //we don't use FW read/write RF until stable firmware is available.
+ priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
+ priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
+ IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
+ IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
+ IEEE_SOFTMAC_BEACONS;//added by amy 080604
+
+ priv->ieee80211->active_scan = 1;
+ priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
+ priv->ieee80211->host_encrypt = 1;
+ priv->ieee80211->host_decrypt = 1;
+ priv->ieee80211->start_send_beacons = NULL; //-by amy 080604
+ priv->ieee80211->stop_send_beacons = NULL; //-by amy 080604
+ priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
+ priv->ieee80211->set_chan = rtl8192_set_chan;
+ priv->ieee80211->link_change = rtl8192_link_change;
+ priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
+ priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
+ priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
+ priv->ieee80211->init_wmmparam_flag = 0;
+ priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
+ priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
+ priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
+ priv->ieee80211->qos_support = 1;
+
+ //added by WB
+ priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
+ priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
+ priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
+ //added by david
+ priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
+ priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xUsb;
+ priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
+ //added by amy
+ priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
+ priv->card_type = USB;
+#ifdef TO_DO_LIST
+ if (Adapter->bInHctTest) {
+ pHalData->ShortRetryLimit = 7;
+ pHalData->LongRetryLimit = 7;
+ }
+#endif
+ priv->ShortRetryLimit = 0x30;
+ priv->LongRetryLimit = 0x30;
+ priv->EarlyRxThreshold = 7;
+ priv->enable_gpio0 = 0;
+ priv->TransmitConfig =
+ (TCR_MXDMA_2048<<TCR_MXDMA_OFFSET)| // Max DMA Burst Size per Tx DMA Burst, 7: reserved.
+ (priv->ShortRetryLimit<<TCR_SRL_OFFSET)| // Short retry limit
+ (priv->LongRetryLimit<<TCR_LRL_OFFSET) | // Long retry limit
+ (false ? TCR_SAT : 0); // FALSE: HW provides PLCP length and LENGEXT, TRUE: SW provides them
+#ifdef TO_DO_LIST
+ if (Adapter->bInHctTest)
+ pHalData->ReceiveConfig = pHalData->CSMethod |
+ RCR_AMF | RCR_ADF | //accept management/data
+ //guangan200710
+ RCR_ACF | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
+ RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
+ RCR_AICV | RCR_ACRC32 | //accept ICV/CRC error packet
+ ((u32)7<<RCR_MXDMA_OFFSET) | // Max DMA Burst Size per Rx DMA Burst, 7: unlimited.
+ (pHalData->EarlyRxThreshold<<RCR_FIFO_OFFSET) | // Rx FIFO Threshold, 7: No Rx threshold.
+ (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
+ else
+
+#endif
+ priv->ReceiveConfig =
+ RCR_AMF | RCR_ADF | //accept management/data
+ RCR_ACF | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
+ RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
+ ((u32)7<<RCR_MXDMA_OFFSET)| // Max DMA Burst Size per Rx DMA Burst, 7: unlimited.
+ (priv->EarlyRxThreshold<<RX_FIFO_THRESHOLD_SHIFT) | // Rx FIFO Threshold, 7: No Rx threshold.
+ (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
+
+ priv->AcmControl = 0;
+ priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
+
+ /* rx related queue */
+ skb_queue_head_init(&priv->rx_queue);
+ skb_queue_head_init(&priv->skb_queue);
+
+ /* Tx related queue */
+ for (i = 0; i < MAX_QUEUE_SIZE; i++)
+ skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
+ for (i = 0; i < MAX_QUEUE_SIZE; i++)
+ skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
+ for (i = 0; i < MAX_QUEUE_SIZE; i++)
+ skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
+ priv->rf_set_chan = rtl8192_phy_SwChnl;
+}
+
+//init lock here
+static void rtl8192_init_priv_lock(struct r8192_priv *priv)
+{
+ spin_lock_init(&priv->tx_lock);
+ spin_lock_init(&priv->irq_lock);//added by thomas
+ sema_init(&priv->wx_sem, 1);
+ sema_init(&priv->rf_sem, 1);
+ mutex_init(&priv->mutex);
+}
+
+static void rtl819x_watchdog_wqcallback(struct work_struct *work);
+
+static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
+//init tasklet and wait_queue here. only 2.6 above kernel is considered
+#define DRV_NAME "wlan0"
+static void rtl8192_init_priv_task(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+ priv->priv_wq = create_workqueue(DRV_NAME);
+
+ INIT_WORK(&priv->reset_wq, rtl8192_restart);
+
+ INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
+ INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback);
+ INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback);
+ INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
+ INIT_DELAYED_WORK(&priv->initialgain_operate_wq, InitialGainOperateWorkItemCallBack);
+ INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
+
+ tasklet_init(&priv->irq_rx_tasklet,
+ (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
+ (unsigned long)priv);
+}
+
+static void rtl8192_get_eeprom_size(struct net_device *dev)
+{
+ u16 curCR = 0;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
+ read_nic_word_E(dev, EPROM_CMD, &curCR);
+ RT_TRACE(COMP_EPROM, "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
+ //whether need I consider BIT5?
+ priv->epromtype = (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
+ RT_TRACE(COMP_EPROM, "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
+}
+
+//used to swap endian. as ntohl & htonl are not necessary to swap endian, so use this instead.
+static inline u16 endian_swap(u16 *data)
+{
+ u16 tmp = *data;
+ *data = (tmp >> 8) | (tmp << 8);
+ return *data;
+}
+static void rtl8192_read_eeprom_info(struct net_device *dev)
+{
+ u16 wEPROM_ID = 0;
+ u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
+ u8 bLoad_From_EEPOM = false;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u16 tmpValue = 0;
+ int i;
+ RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
+ wEPROM_ID = eprom_read(dev, 0); //first read EEPROM ID out;
+ RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
+
+ if (wEPROM_ID != RTL8190_EEPROM_ID) {
+ RT_TRACE(COMP_ERR, "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n", wEPROM_ID, RTL8190_EEPROM_ID);
+ } else {
+ bLoad_From_EEPOM = true;
+ }
+
+ if (bLoad_From_EEPOM) {
+ tmpValue = eprom_read(dev, EEPROM_VID>>1);
+ priv->eeprom_vid = endian_swap(&tmpValue);
+ priv->eeprom_pid = eprom_read(dev, EEPROM_PID>>1);
+ tmpValue = eprom_read(dev, EEPROM_ChannelPlan>>1);
+ priv->eeprom_ChannelPlan = (tmpValue & 0xff00)>>8;
+ priv->btxpowerdata_readfromEEPORM = true;
+ priv->eeprom_CustomerID = eprom_read(dev, (EEPROM_Customer_ID>>1)) >>8;
+ } else {
+ priv->eeprom_vid = 0;
+ priv->eeprom_pid = 0;
+ priv->card_8192_version = VERSION_819xU_B;
+ priv->eeprom_ChannelPlan = 0;
+ priv->eeprom_CustomerID = 0;
+ }
+ RT_TRACE(COMP_EPROM, "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n", priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID, priv->eeprom_ChannelPlan);
+ //set channelplan from eeprom
+ priv->ChannelPlan = priv->eeprom_ChannelPlan;
+ if (bLoad_From_EEPOM) {
+ int i;
+ for (i = 0; i < 6; i += 2) {
+ u16 tmp = 0;
+ tmp = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i)>>1));
+ *(u16 *)(&dev->dev_addr[i]) = tmp;
+ }
+ } else {
+ memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
+ //should I set IDR0 here?
+ }
+ RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
+ priv->rf_type = RTL819X_DEFAULT_RF_TYPE; //default 1T2R
+ priv->rf_chip = RF_8256;
+
+ if (priv->card_8192_version == (u8)VERSION_819xU_A) {
+ //read Tx power gain offset of legacy OFDM to HT rate
+ if (bLoad_From_EEPOM)
+ priv->EEPROMTxPowerDiff = (eprom_read(dev, (EEPROM_TxPowerDiff>>1))&0xff00) >> 8;
+ else
+ priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
+ RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
+ //read ThermalMeter from EEPROM
+ if (bLoad_From_EEPOM)
+ priv->EEPROMThermalMeter = (u8)(eprom_read(dev, (EEPROM_ThermalMeter>>1))&0x00ff);
+ else
+ priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
+ RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
+ //vivi, for tx power track
+ priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
+ //read antenna tx power offset of B/C/D to A from EEPROM
+ if (bLoad_From_EEPOM)
+ priv->EEPROMPwDiff = (eprom_read(dev, (EEPROM_PwDiff>>1))&0x0f00)>>8;
+ else
+ priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
+ RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
+ // Read CrystalCap from EEPROM
+ if (bLoad_From_EEPOM)
+ priv->EEPROMCrystalCap = (eprom_read(dev, (EEPROM_CrystalCap>>1))&0x0f);
+ else
+ priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
+ RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
+ //get per-channel Tx power level
+ if (bLoad_From_EEPOM)
+ priv->EEPROM_Def_Ver = (eprom_read(dev, (EEPROM_TxPwIndex_Ver>>1))&0xff00)>>8;
+ else
+ priv->EEPROM_Def_Ver = 1;
+ RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
+ if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
+ int i;
+ if (bLoad_From_EEPOM)
+ priv->EEPROMTxPowerLevelCCK = (eprom_read(dev, (EEPROM_TxPwIndex_CCK>>1))&0xff) >> 8;
+ else
+ priv->EEPROMTxPowerLevelCCK = 0x10;
+ RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
+ for (i = 0; i < 3; i++) {
+ if (bLoad_From_EEPOM) {
+ tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G+i)>>1);
+ if (((EEPROM_TxPwIndex_OFDM_24G+i) % 2) == 0)
+ tmpValue = tmpValue & 0x00ff;
+ else
+ tmpValue = (tmpValue & 0xff00) >> 8;
+ } else {
+ tmpValue = 0x10;
+ }
+ priv->EEPROMTxPowerLevelOFDM24G[i] = (u8) tmpValue;
+ RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
+ }
+ } else if (priv->EEPROM_Def_Ver == 1) {
+ if (bLoad_From_EEPOM) {
+ tmpValue = eprom_read(dev,
+ EEPROM_TxPwIndex_CCK_V1 >> 1);
+ tmpValue = (tmpValue & 0xff00) >> 8;
+ } else {
+ tmpValue = 0x10;
+ }
+ priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
+
+ if (bLoad_From_EEPOM)
+ tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2)>>1);
+ else
+ tmpValue = 0x1010;
+ *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
+ if (bLoad_From_EEPOM)
+ tmpValue = eprom_read(dev,
+ EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
+ else
+ tmpValue = 0x1010;
+ *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
+ if (bLoad_From_EEPOM)
+ tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1+2)>>1);
+ else
+ tmpValue = 0x10;
+ priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
+ }//endif EEPROM_Def_Ver == 1
+
+ //update HAL variables
+ //
+ for (i = 0; i < 14; i++) {
+ if (i <= 3)
+ priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
+ else if (i >= 4 && i <= 9)
+ priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
+ else
+ priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
+ }
+
+ for (i = 0; i < 14; i++) {
+ if (priv->EEPROM_Def_Ver == 0) {
+ if (i <= 3)
+ priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
+ else if (i >= 4 && i <= 9)
+ priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
+ else
+ priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
+ } else if (priv->EEPROM_Def_Ver == 1) {
+ if (i <= 3)
+ priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
+ else if (i >= 4 && i <= 9)
+ priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
+ else
+ priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
+ }
+ }
+ priv->TxPowerDiff = priv->EEPROMPwDiff;
+ // Antenna B gain offset to antenna A, bit0~3
+ priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
+ // Antenna C gain offset to antenna A, bit4~7
+ priv->AntennaTxPwDiff[1] = (priv->EEPROMTxPowerDiff & 0xf0)>>4;
+ // CrystalCap, bit12~15
+ priv->CrystalCap = priv->EEPROMCrystalCap;
+ // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
+ // 92U does not enable TX power tracking.
+ priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
+ }//end if VersionID == VERSION_819xU_A
+
+ //added by vivi, for dlink led, 20080416
+ switch (priv->eeprom_CustomerID) {
+ case EEPROM_CID_RUNTOP:
+ priv->CustomerID = RT_CID_819x_RUNTOP;
+ break;
+
+ case EEPROM_CID_DLINK:
+ priv->CustomerID = RT_CID_DLINK;
+ break;
+
+ default:
+ priv->CustomerID = RT_CID_DEFAULT;
+ break;
+
+ }
+
+ switch (priv->CustomerID) {
+ case RT_CID_819x_RUNTOP:
+ priv->LedStrategy = SW_LED_MODE2;
+ break;
+
+ case RT_CID_DLINK:
+ priv->LedStrategy = SW_LED_MODE4;
+ break;
+
+ default:
+ priv->LedStrategy = SW_LED_MODE0;
+ break;
+
+ }
+
+
+ if (priv->rf_type == RF_1T2R) {
+ RT_TRACE(COMP_EPROM, "\n1T2R config\n");
+ } else {
+ RT_TRACE(COMP_EPROM, "\n2T4R config\n");
+ }
+
+ // 2008/01/16 MH We can only know RF type in the function. So we have to init
+ // DIG RATR table again.
+ init_rate_adaptive(dev);
+ //we need init DIG RATR table here again.
+
+ RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
+}
+
+static short rtl8192_get_channel_map(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
+ netdev_err(dev, "rtl8180_init: Error channel plan! Set to default.\n");
+ priv->ChannelPlan = 0;
+ }
+ RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
+
+ rtl819x_set_channel_map(priv->ChannelPlan, priv);
+ return 0;
+}
+
+static short rtl8192_init(struct net_device *dev)
+{
+
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+ memset(&(priv->stats), 0, sizeof(struct Stats));
+ memset(priv->txqueue_to_outpipemap, 0, 9);
+#ifdef PIPE12
+ {
+ int i = 0;
+ u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
+ memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
+ }
+#else
+ {
+ u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
+ memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
+ }
+#endif
+ rtl8192_init_priv_variable(dev);
+ rtl8192_init_priv_lock(priv);
+ rtl8192_init_priv_task(dev);
+ rtl8192_get_eeprom_size(dev);
+ rtl8192_read_eeprom_info(dev);
+ rtl8192_get_channel_map(dev);
+ init_hal_dm(dev);
+ setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
+ (unsigned long)dev);
+ if (rtl8192_usb_initendpoints(dev) != 0) {
+ DMESG("Endopoints initialization failed");
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+/******************************************************************************
+ *function: This function actually only set RRSR, RATR and BW_OPMODE registers
+ * not to do all the hw config as its name says
+ * input: net_device dev
+ * output: none
+ * return: none
+ * notice: This part need to modified according to the rate set we filtered
+ * ****************************************************************************/
+static void rtl8192_hwconfig(struct net_device *dev)
+{
+ u32 regRATR = 0, regRRSR = 0;
+ u8 regBwOpMode = 0, regTmp = 0;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u32 ratr_value = 0;
+
+ // Set RRSR, RATR, and BW_OPMODE registers
+ //
+ switch (priv->ieee80211->mode) {
+ case WIRELESS_MODE_B:
+ regBwOpMode = BW_OPMODE_20MHZ;
+ regRATR = RATE_ALL_CCK;
+ regRRSR = RATE_ALL_CCK;
+ break;
+ case WIRELESS_MODE_A:
+ regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
+ regRATR = RATE_ALL_OFDM_AG;
+ regRRSR = RATE_ALL_OFDM_AG;
+ break;
+ case WIRELESS_MODE_G:
+ regBwOpMode = BW_OPMODE_20MHZ;
+ regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
+ regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
+ break;
+ case WIRELESS_MODE_AUTO:
+#ifdef TO_DO_LIST
+ if (Adapter->bInHctTest) {
+ regBwOpMode = BW_OPMODE_20MHZ;
+ regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
+ regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
+ }
+ else
+#endif
+ {
+ regBwOpMode = BW_OPMODE_20MHZ;
+ regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
+ regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
+ }
+ break;
+ case WIRELESS_MODE_N_24G:
+ // It support CCK rate by default.
+ // CCK rate will be filtered out only when associated AP does not support it.
+ regBwOpMode = BW_OPMODE_20MHZ;
+ regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
+ regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
+ break;
+ case WIRELESS_MODE_N_5G:
+ regBwOpMode = BW_OPMODE_5G;
+ regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
+ regRRSR = RATE_ALL_OFDM_AG;
+ break;
+ }
+
+ write_nic_byte(dev, BW_OPMODE, regBwOpMode);
+ ratr_value = regRATR;
+ if (priv->rf_type == RF_1T2R)
+ ratr_value &= ~(RATE_ALL_OFDM_2SS);
+ write_nic_dword(dev, RATR0, ratr_value);
+ write_nic_byte(dev, UFWP, 1);
+ read_nic_byte(dev, 0x313, ®Tmp);
+ regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
+ write_nic_dword(dev, RRSR, regRRSR);
+
+ //
+ // Set Retry Limit here
+ //
+ write_nic_word(dev, RETRY_LIMIT,
+ priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
+ priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
+ // Set Contention Window here
+
+ // Set Tx AGC
+
+ // Set Tx Antenna including Feedback control
+
+ // Set Auto Rate fallback control
+
+
+}
+
+
+//InitializeAdapter and PhyCfg
+static bool rtl8192_adapter_start(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u32 dwRegRead = 0;
+ bool init_status = true;
+ u8 SECR_value = 0x0;
+ u8 tmp;
+ RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
+ priv->Rf_Mode = RF_OP_By_SW_3wire;
+ //for ASIC power on sequence
+ write_nic_byte_E(dev, 0x5f, 0x80);
+ mdelay(50);
+ write_nic_byte_E(dev, 0x5f, 0xf0);
+ write_nic_byte_E(dev, 0x5d, 0x00);
+ write_nic_byte_E(dev, 0x5e, 0x80);
+ write_nic_byte(dev, 0x17, 0x37);
+ mdelay(10);
+ priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
+ //config CPUReset Register
+ //Firmware Reset or not?
+ read_nic_dword(dev, CPU_GEN, &dwRegRead);
+ if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
+ dwRegRead |= CPU_GEN_SYSTEM_RESET; //do nothing here?
+ else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
+ dwRegRead |= CPU_GEN_FIRMWARE_RESET;
+ else
+ RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __func__, priv->pFirmware->firmware_status);
+
+ write_nic_dword(dev, CPU_GEN, dwRegRead);
+ //config BB.
+ rtl8192_BBConfig(dev);
+
+ //Loopback mode or not
+ priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
+
+ read_nic_dword(dev, CPU_GEN, &dwRegRead);
+ if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
+ dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET;
+ else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
+ dwRegRead |= CPU_CCK_LOOPBACK;
+ else
+ RT_TRACE(COMP_ERR, "Serious error in %s(): wrong loopback mode setting(%d)\n", __func__, priv->LoopbackMode);
+
+ write_nic_dword(dev, CPU_GEN, dwRegRead);
+
+ //after reset cpu, we need wait for a seconds to write in register.
+ udelay(500);
+
+ //xiong add for new bitfile:usb suspend reset pin set to 1. //do we need?
+ read_nic_byte_E(dev, 0x5f, &tmp);
+ write_nic_byte_E(dev, 0x5f, tmp|0x20);
+
+ //Set Hardware
+ rtl8192_hwconfig(dev);
+
+ //turn on Tx/Rx
+ write_nic_byte(dev, CMDR, CR_RE|CR_TE);
+
+ //set IDR0 here
+ write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
+ write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
+
+ //set RCR
+ write_nic_dword(dev, RCR, priv->ReceiveConfig);
+
+ //Initialize Number of Reserved Pages in Firmware Queue
+ write_nic_dword(dev, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
+ NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
+ NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
+ NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
+ write_nic_dword(dev, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
+ NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
+ write_nic_dword(dev, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
+ NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
+ write_nic_dword(dev, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
+
+ //Set AckTimeout
+ // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
+ write_nic_byte(dev, ACK_TIMEOUT, 0x30);
+
+ if (priv->ResetProgress == RESET_TYPE_NORESET)
+ rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
+ if (priv->ResetProgress == RESET_TYPE_NORESET) {
+ CamResetAllEntry(dev);
+ SECR_value |= SCR_TxEncEnable;
+ SECR_value |= SCR_RxDecEnable;
+ SECR_value |= SCR_NoSKMC;
+ write_nic_byte(dev, SECR, SECR_value);
+ }
+
+ //Beacon related
+ write_nic_word(dev, ATIMWND, 2);
+ write_nic_word(dev, BCN_INTERVAL, 100);
+
+#define DEFAULT_EDCA 0x005e4332
+ {
+ int i;
+ for (i = 0; i < QOS_QUEUE_NUM; i++)
+ write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
+ }
+
+ rtl8192_phy_configmac(dev);
+
+ if (priv->card_8192_version == (u8) VERSION_819xU_A) {
+ rtl8192_phy_getTxPower(dev);
+ rtl8192_phy_setTxPower(dev, priv->chan);
+ }
+
+ //Firmware download
+ init_status = init_firmware(dev);
+ if (!init_status) {
+ RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n", __func__);
+ return init_status;
+ }
+ RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
+ //
+#ifdef TO_DO_LIST
+ if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
+ if (pMgntInfo->RegRfOff == true) { /* User disable RF via registry. */
+ RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
+ MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
+ // Those actions will be discard in MgntActSet_RF_State because of the same state
+ for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
+ PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x0);
+ } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) { /* H/W or S/W RF OFF before sleep. */
+ RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n", pMgntInfo->RfOffReason));
+ MgntActSet_RF_State(Adapter, eRfOff, pMgntInfo->RfOffReason);
+ } else {
+ pHalData->eRFPowerState = eRfOn;
+ pMgntInfo->RfOffReason = 0;
+ RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): RF is on ----------\n"));
+ }
+ } else {
+ if (pHalData->eRFPowerState == eRfOff) {
+ MgntActSet_RF_State(Adapter, eRfOff, pMgntInfo->RfOffReason);
+ // Those actions will be discard in MgntActSet_RF_State because of the same state
+ for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
+ PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x0);
+ }
+ }
+#endif
+ //config RF.
+ if (priv->ResetProgress == RESET_TYPE_NORESET) {
+ rtl8192_phy_RFConfig(dev);
+ RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
+ }
+
+
+ if (priv->ieee80211->FwRWRF)
+ // We can force firmware to do RF-R/W
+ priv->Rf_Mode = RF_OP_By_FW;
+ else
+ priv->Rf_Mode = RF_OP_By_SW_3wire;
+
+
+ rtl8192_phy_updateInitGain(dev);
+ /*--set CCK and OFDM Block "ON"--*/
+ rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
+ rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
+
+ if (priv->ResetProgress == RESET_TYPE_NORESET) {
+ //if D or C cut
+ u8 tmpvalue;
+ read_nic_byte(dev, 0x301, &tmpvalue);
+ if (tmpvalue == 0x03) {
+ priv->bDcut = true;
+ RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
+ } else {
+ priv->bDcut = false;
+ RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
+ }
+ dm_initialize_txpower_tracking(dev);
+
+ if (priv->bDcut) {
+ u32 i, TempCCk;
+ u32 tmpRegA = rtl8192_QueryBBReg(dev, rOFDM0_XATxIQImbalance, bMaskDWord);
+ for (i = 0; i < TxBBGainTableLength; i++) {
+ if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
+ priv->rfa_txpowertrackingindex = (u8)i;
+ priv->rfa_txpowertrackingindex_real = (u8)i;
+ priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
+ break;
+ }
+ }
+
+ TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);
+
+ for (i = 0; i < CCKTxBBGainTableLength; i++) {
+
+ if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
+ priv->cck_present_attentuation_20Mdefault = (u8) i;
+ break;
+ }
+ }
+ priv->cck_present_attentuation_40Mdefault = 0;
+ priv->cck_present_attentuation_difference = 0;
+ priv->cck_present_attentuation = priv->cck_present_attentuation_20Mdefault;
+
+ }
+ }
+ write_nic_byte(dev, 0x87, 0x0);
+
+
+ return init_status;
+}
+
+/* this configures registers for beacon tx and enables it via
+ * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
+ * be used to stop beacon transmission
+ */
+/***************************************************************************
+ -------------------------------NET STUFF---------------------------
+***************************************************************************/
+
+static struct net_device_stats *rtl8192_stats(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+ return &priv->ieee80211->stats;
+}
+
+static bool HalTxCheckStuck819xUsb(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u16 RegTxCounter;
+ bool bStuck = false;
+ read_nic_word(dev, 0x128, &RegTxCounter);
+ RT_TRACE(COMP_RESET, "%s():RegTxCounter is %d,TxCounter is %d\n", __func__, RegTxCounter, priv->TxCounter);
+ if (priv->TxCounter == RegTxCounter)
+ bStuck = true;
+
+ priv->TxCounter = RegTxCounter;
+
+ return bStuck;
+}
+
+/*
+* <Assumption: RT_TX_SPINLOCK is acquired.>
+* First added: 2006.11.19 by emily
+*/
+static RESET_TYPE TxCheckStuck(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u8 QueueID;
+ bool bCheckFwTxCnt = false;
+
+ //
+ // Decide such threshold according to current power save mode
+ //
+
+ for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
+ if (QueueID == TXCMD_QUEUE)
+ continue;
+ if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
+ continue;
+
+ bCheckFwTxCnt = true;
+ }
+ if (bCheckFwTxCnt) {
+ if (HalTxCheckStuck819xUsb(dev)) {
+ RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n");
+ return RESET_TYPE_SILENT;
+ }
+ }
+ return RESET_TYPE_NORESET;
+}
+
+static bool HalRxCheckStuck819xUsb(struct net_device *dev)
+{
+ u16 RegRxCounter;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ bool bStuck = false;
+ static u8 rx_chk_cnt;
+ read_nic_word(dev, 0x130, &RegRxCounter);
+ RT_TRACE(COMP_RESET, "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__, RegRxCounter, priv->RxCounter);
+ // If rssi is small, we should check rx for long time because of bad rx.
+ // or maybe it will continuous silent reset every 2 seconds.
+ rx_chk_cnt++;
+ if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5)) {
+ rx_chk_cnt = 0; //high rssi, check rx stuck right now.
+ } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
+ ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
+ (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
+ if (rx_chk_cnt < 2)
+ return bStuck;
+ else
+ rx_chk_cnt = 0;
+ } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
+ (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
+ priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
+ if (rx_chk_cnt < 4)
+ return bStuck;
+ else
+ rx_chk_cnt = 0;
+ } else {
+ if (rx_chk_cnt < 8)
+ return bStuck;
+ else
+ rx_chk_cnt = 0;
+ }
+
+ if (priv->RxCounter == RegRxCounter)
+ bStuck = true;
+
+ priv->RxCounter = RegRxCounter;
+
+ return bStuck;
+}
+
+static RESET_TYPE RxCheckStuck(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ bool bRxCheck = false;
+
+ if (priv->IrpPendingCount > 1)
+ bRxCheck = true;
+
+ if (bRxCheck) {
+ if (HalRxCheckStuck819xUsb(dev)) {
+ RT_TRACE(COMP_RESET, "RxStuck Condition\n");
+ return RESET_TYPE_SILENT;
+ }
+ }
+ return RESET_TYPE_NORESET;
+}
+
+
+/**
+* This function is called by Checkforhang to check whether we should ask OS to reset driver
+*
+* \param pAdapter The adapter context for this miniport
+*
+* Note:NIC with USB interface sholud not call this function because we cannot scan descriptor
+* to judge whether there is tx stuck.
+* Note: This function may be required to be rewrite for Vista OS.
+* <<<Assumption: Tx spinlock has been acquired >>>
+*
+* 8185 and 8185b does not implement this function. This is added by Emily at 2006.11.24
+*/
+static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ RESET_TYPE TxResetType = RESET_TYPE_NORESET;
+ RESET_TYPE RxResetType = RESET_TYPE_NORESET;
+ RT_RF_POWER_STATE rfState;
+
+ rfState = priv->ieee80211->eRFPowerState;
+
+ TxResetType = TxCheckStuck(dev);
+ if (rfState != eRfOff ||
+ (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
+ // If driver is in the status of firmware download failure , driver skips RF initialization and RF is
+ // in turned off state. Driver should check whether Rx stuck and do silent reset. And
+ // if driver is in firmware download failure status, driver should initialize RF in the following
+ // silent reset procedure Emily, 2008.01.21
+
+ // Driver should not check RX stuck in IBSS mode because it is required to
+ // set Check BSSID in order to send beacon, however, if check BSSID is
+ // set, STA cannot hear any packet at all. Emily, 2008.04.12
+ RxResetType = RxCheckStuck(dev);
+ }
+ if (TxResetType == RESET_TYPE_NORMAL || RxResetType == RESET_TYPE_NORMAL) {
+ return RESET_TYPE_NORMAL;
+ } else if (TxResetType == RESET_TYPE_SILENT || RxResetType == RESET_TYPE_SILENT) {
+ RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
+ return RESET_TYPE_SILENT;
+ } else {
+ return RESET_TYPE_NORESET;
+ }
+
+}
+
+static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
+static int _rtl8192_up(struct net_device *dev);
+static int rtl8192_close(struct net_device *dev);
+
+
+
+static void CamRestoreAllEntry(struct net_device *dev)
+{
+ u8 EntryId = 0;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u8 *MacAddr = priv->ieee80211->current_network.bssid;
+
+ static u8 CAM_CONST_ADDR[4][6] = {
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
+ static u8 CAM_CONST_BROAD[] = {
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
+ RT_TRACE(COMP_SEC, "CamRestoreAllEntry: \n");
+
+
+ if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
+ (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
+
+ for (EntryId = 0; EntryId < 4; EntryId++) {
+ MacAddr = CAM_CONST_ADDR[EntryId];
+ setKey(dev, EntryId, EntryId,
+ priv->ieee80211->pairwise_key_type,
+ MacAddr, 0, NULL);
+ }
+
+ } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
+
+ if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
+ setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
+ (u8 *)dev->dev_addr, 0, NULL);
+ else
+ setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
+ MacAddr, 0, NULL);
+ } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
+
+ if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
+ setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
+ (u8 *)dev->dev_addr, 0, NULL);
+ else
+ setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
+ MacAddr, 0, NULL);
+ }
+
+
+
+ if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
+ MacAddr = CAM_CONST_BROAD;
+ for (EntryId = 1; EntryId < 4; EntryId++) {
+ setKey(dev, EntryId, EntryId,
+ priv->ieee80211->group_key_type,
+ MacAddr, 0, NULL);
+ }
+ if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
+ setKey(dev, 0, 0, priv->ieee80211->group_key_type,
+ CAM_CONST_ADDR[0], 0, NULL);
+ } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
+ MacAddr = CAM_CONST_BROAD;
+ for (EntryId = 1; EntryId < 4; EntryId++) {
+ setKey(dev, EntryId, EntryId,
+ priv->ieee80211->group_key_type,
+ MacAddr, 0, NULL);
+ }
+
+ if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
+ setKey(dev, 0, 0, priv->ieee80211->group_key_type,
+ CAM_CONST_ADDR[0], 0, NULL);
+ }
+}
+//////////////////////////////////////////////////////////////
+// This function is used to fix Tx/Rx stop bug temporarily.
+// This function will do "system reset" to NIC when Tx or Rx is stuck.
+// The method checking Tx/Rx stuck of this function is supported by FW,
+// which reports Tx and Rx counter to register 0x128 and 0x130.
+//////////////////////////////////////////////////////////////
+static void rtl819x_ifsilentreset(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u8 reset_times = 0;
+ int reset_status = 0;
+ struct ieee80211_device *ieee = priv->ieee80211;
+
+
+ // 2007.07.20. If we need to check CCK stop, please uncomment this line.
+ //bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter);
+
+ if (priv->ResetProgress == RESET_TYPE_NORESET) {
+RESET_START:
+
+ RT_TRACE(COMP_RESET, "=========>Reset progress!! \n");
+
+ // Set the variable for reset.
+ priv->ResetProgress = RESET_TYPE_SILENT;
+ down(&priv->wx_sem);
+ if (priv->up == 0) {
+ RT_TRACE(COMP_ERR, "%s():the driver is not up! return\n", __func__);
+ up(&priv->wx_sem);
+ return;
+ }
+ priv->up = 0;
+ RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n", __func__);
+
+ rtl8192_rtx_disable(dev);
+ rtl8192_cancel_deferred_work(priv);
+ deinit_hal_dm(dev);
+ del_timer_sync(&priv->watch_dog_timer);
+
+ ieee->sync_scan_hurryup = 1;
+ if (ieee->state == IEEE80211_LINKED) {
+ down(&ieee->wx_sem);
+ netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
+ ieee80211_stop_send_beacons(priv->ieee80211);
+ del_timer_sync(&ieee->associate_timer);
+ cancel_delayed_work(&ieee->associate_retry_wq);
+ ieee80211_stop_scan(ieee);
+ netif_carrier_off(dev);
+ up(&ieee->wx_sem);
+ } else {
+ netdev_dbg(dev, "ieee->state is NOT LINKED\n");
+ ieee80211_softmac_stop_protocol(priv->ieee80211);
+ }
+ up(&priv->wx_sem);
+ RT_TRACE(COMP_RESET, "%s():<==========down process is finished\n", __func__);
+ RT_TRACE(COMP_RESET, "%s():===========>start up the driver\n", __func__);
+ reset_status = _rtl8192_up(dev);
+
+ RT_TRACE(COMP_RESET, "%s():<===========up process is finished\n", __func__);
+ if (reset_status == -EAGAIN) {
+ if (reset_times < 3) {
+ reset_times++;
+ goto RESET_START;
+ } else {
+ RT_TRACE(COMP_ERR, " ERR!!! %s(): Reset Failed!!\n", __func__);
+ }
+ }
+ ieee->is_silent_reset = 1;
+ EnableHWSecurityConfig8192(dev);
+ if (ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
+ ieee->set_chan(ieee->dev, ieee->current_network.channel);
+
+ queue_work(ieee->wq, &ieee->associate_complete_wq);
+
+ } else if (ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_ADHOC) {
+ ieee->set_chan(ieee->dev, ieee->current_network.channel);
+ ieee->link_change(ieee->dev);
+
+ ieee80211_start_send_beacons(ieee);
+
+ if (ieee->data_hard_resume)
+ ieee->data_hard_resume(ieee->dev);
+ netif_carrier_on(ieee->dev);
+ }
+
+ CamRestoreAllEntry(dev);
+
+ priv->ResetProgress = RESET_TYPE_NORESET;
+ priv->reset_count++;
+
+ priv->bForcedSilentReset = false;
+ priv->bResetInProgress = false;
+
+ // For test --> force write UFWP.
+ write_nic_byte(dev, UFWP, 1);
+ RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", priv->reset_count);
+ }
+}
+
+static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
+ u32 *TotalRxDataNum)
+{
+ u16 SlotIndex;
+ u8 i;
+
+ *TotalRxBcnNum = 0;
+ *TotalRxDataNum = 0;
+
+ SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
+ priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
+ priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
+ for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
+ *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
+ *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
+ }
+}
+
+
+void rtl819x_watchdog_wqcallback(struct work_struct *work)
+{
+ struct delayed_work *dwork = container_of(work, struct delayed_work, work);
+ struct r8192_priv *priv = container_of(dwork, struct r8192_priv, watch_dog_wq);
+ struct net_device *dev = priv->ieee80211->dev;
+ struct ieee80211_device *ieee = priv->ieee80211;
+ RESET_TYPE ResetType = RESET_TYPE_NORESET;
+ static u8 check_reset_cnt;
+ bool bBusyTraffic = false;
+ u32 TotalRxBcnNum = 0;
+ u32 TotalRxDataNum = 0;
+
+ if (!priv->up)
+ return;
+ hal_dm_watchdog(dev);
+
+ //to get busy traffic condition
+ if (ieee->state == IEEE80211_LINKED) {
+ if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
+ ieee->LinkDetectInfo.NumTxOkInPeriod > 666 ) {
+ bBusyTraffic = true;
+ }
+ ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
+ ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
+ ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
+ }
+ //added by amy for AP roaming
+ if (priv->ieee80211->state == IEEE80211_LINKED && priv->ieee80211->iw_mode == IW_MODE_INFRA) {
+
+ rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
+ if ((TotalRxBcnNum+TotalRxDataNum) == 0) {
+#ifdef TODO
+ if (rfState == eRfOff)
+ RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
+#endif
+ netdev_dbg(dev, "===>%s(): AP is power off, connect another one\n", __func__);
+ priv->ieee80211->state = IEEE80211_ASSOCIATING;
+ notify_wx_assoc_event(priv->ieee80211);
+ RemovePeerTS(priv->ieee80211, priv->ieee80211->current_network.bssid);
+ priv->ieee80211->link_change(dev);
+ queue_work(priv->ieee80211->wq, &priv->ieee80211->associate_procedure_wq);
+
+ }
+ }
+ priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
+ priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
+ //check if reset the driver
+ if (check_reset_cnt++ >= 3) {
+ ResetType = rtl819x_ifcheck_resetornot(dev);
+ check_reset_cnt = 3;
+ }
+ if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
+ (priv->bForcedSilentReset ||
+ (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) { /* This is control by OID set in Pomelo */
+ RT_TRACE(COMP_RESET, "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n", __func__, priv->force_reset, priv->ResetProgress, priv->bForcedSilentReset, priv->bDisableNormalResetCheck, ResetType);
+ rtl819x_ifsilentreset(dev);
+ }
+ priv->force_reset = false;
+ priv->bForcedSilentReset = false;
+ priv->bResetInProgress = false;
+ RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
+
+}
+
+void watch_dog_timer_callback(unsigned long data)
+{
+ struct r8192_priv *priv = ieee80211_priv((struct net_device *) data);
+ queue_delayed_work(priv->priv_wq, &priv->watch_dog_wq, 0);
+ mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
+}
+int _rtl8192_up(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ int init_status = 0;
+ priv->up = 1;
+ priv->ieee80211->ieee_up = 1;
+ RT_TRACE(COMP_INIT, "Bringing up iface");
+ init_status = rtl8192_adapter_start(dev);
+ if (!init_status) {
+ RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n", __func__);
+ priv->up = priv->ieee80211->ieee_up = 0;
+ return -EAGAIN;
+ }
+ RT_TRACE(COMP_INIT, "start adapter finished\n");
+ rtl8192_rx_enable(dev);
+ if (priv->ieee80211->state != IEEE80211_LINKED)
+ ieee80211_softmac_start_protocol(priv->ieee80211);
+ ieee80211_reset_queue(priv->ieee80211);
+ watch_dog_timer_callback((unsigned long) dev);
+ if (!netif_queue_stopped(dev))
+ netif_start_queue(dev);
+ else
+ netif_wake_queue(dev);
+
+ return 0;
+}
+
+
+static int rtl8192_open(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ int ret;
+ down(&priv->wx_sem);
+ ret = rtl8192_up(dev);
+ up(&priv->wx_sem);
+ return ret;
+
+}
+
+
+int rtl8192_up(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+ if (priv->up == 1)
+ return -1;
+
+ return _rtl8192_up(dev);
+}
+
+
+int rtl8192_close(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ int ret;
+
+ down(&priv->wx_sem);
+
+ ret = rtl8192_down(dev);
+
+ up(&priv->wx_sem);
+
+ return ret;
+
+}
+
+int rtl8192_down(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ int i;
+
+ if (priv->up == 0)
+ return -1;
+
+ priv->up = 0;
+ priv->ieee80211->ieee_up = 0;
+ RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
+ /* FIXME */
+ if (!netif_queue_stopped(dev))
+ netif_stop_queue(dev);
+
+ rtl8192_rtx_disable(dev);
+
+ /* Tx related queue release */
+ for (i = 0; i < MAX_QUEUE_SIZE; i++)
+ skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
+ for (i = 0; i < MAX_QUEUE_SIZE; i++)
+ skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
+
+ for (i = 0; i < MAX_QUEUE_SIZE; i++)
+ skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
+
+ //as cancel_delayed_work will del work->timer, so if work is not defined as struct delayed_work, it will corrupt
+ rtl8192_cancel_deferred_work(priv);
+ deinit_hal_dm(dev);
+ del_timer_sync(&priv->watch_dog_timer);
+
+
+ ieee80211_softmac_stop_protocol(priv->ieee80211);
+ memset(&priv->ieee80211->current_network, 0, offsetof(struct ieee80211_network, list));
+ RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
+
+ return 0;
+}
+
+
+void rtl8192_commit(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ int reset_status = 0;
+ if (priv->up == 0)
+ return;
+ priv->up = 0;
+
+ rtl8192_cancel_deferred_work(priv);
+ del_timer_sync(&priv->watch_dog_timer);
+
+ ieee80211_softmac_stop_protocol(priv->ieee80211);
+
+ rtl8192_rtx_disable(dev);
+ reset_status = _rtl8192_up(dev);
+
+}
+
+void rtl8192_restart(struct work_struct *work)
+{
+ struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
+ struct net_device *dev = priv->ieee80211->dev;
+
+ down(&priv->wx_sem);
+
+ rtl8192_commit(dev);
+
+ up(&priv->wx_sem);
+}
+
+static void r8192_set_multicast(struct net_device *dev)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ short promisc;
+
+ /* FIXME FIXME */
+
+ promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
+
+ if (promisc != priv->promisc)
+
+ priv->promisc = promisc;
+}
+
+
+static int r8192_set_mac_adr(struct net_device *dev, void *mac)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ struct sockaddr *addr = mac;
+
+ down(&priv->wx_sem);
+
+ memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+
+ schedule_work(&priv->reset_wq);
+ up(&priv->wx_sem);
+
+ return 0;
+}
+
+/* based on ipw2200 driver */
+static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct iwreq *wrq = (struct iwreq *)rq;
+ int ret = -1;
+ struct ieee80211_device *ieee = priv->ieee80211;
+ u32 key[4];
+ u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+ struct iw_point *p = &wrq->u.data;
+ struct ieee_param *ipw = NULL;
+
+ down(&priv->wx_sem);
+
+
+ if (p->length < sizeof(struct ieee_param) || !p->pointer) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ ipw = memdup_user(p->pointer, p->length);
+ if (IS_ERR(ipw)) {
+ ret = PTR_ERR(ipw);
+ goto out;
+ }
+
+ switch (cmd) {
+ case RTL_IOCTL_WPA_SUPPLICANT:
+ //parse here for HW security
+ if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
+ if (ipw->u.crypt.set_tx) {
+ if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
+ ieee->pairwise_key_type = KEY_TYPE_CCMP;
+ } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
+ ieee->pairwise_key_type = KEY_TYPE_TKIP;
+ } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
+ if (ipw->u.crypt.key_len == 13)
+ ieee->pairwise_key_type = KEY_TYPE_WEP104;
+ else if (ipw->u.crypt.key_len == 5)
+ ieee->pairwise_key_type = KEY_TYPE_WEP40;
+ } else {
+ ieee->pairwise_key_type = KEY_TYPE_NA;
+ }
+
+ if (ieee->pairwise_key_type) {
+ memcpy((u8 *)key, ipw->u.crypt.key, 16);
+ EnableHWSecurityConfig8192(dev);
+ //we fill both index entry and 4th entry for pairwise key as in IPW interface, adhoc will only get here, so we need index entry for its default key serching!
+ //added by WB.
+ setKey(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8 *)ieee->ap_mac_addr, 0, key);
+ if (ieee->auth_mode != 2)
+ setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8 *)ieee->ap_mac_addr, 0, key);
+ }
+ } else {
+ memcpy((u8 *)key, ipw->u.crypt.key, 16);
+ if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
+ ieee->group_key_type = KEY_TYPE_CCMP;
+ } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
+ ieee->group_key_type = KEY_TYPE_TKIP;
+ } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
+ if (ipw->u.crypt.key_len == 13)
+ ieee->group_key_type = KEY_TYPE_WEP104;
+ else if (ipw->u.crypt.key_len == 5)
+ ieee->group_key_type = KEY_TYPE_WEP40;
+ } else {
+ ieee->group_key_type = KEY_TYPE_NA;
+ }
+
+ if (ieee->group_key_type) {
+ setKey(dev, ipw->u.crypt.idx,
+ ipw->u.crypt.idx, //KeyIndex
+ ieee->group_key_type, //KeyType
+ broadcast_addr, //MacAddr
+ 0, //DefaultKey
+ key); //KeyContent
+ }
+ }
+ }
+ ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
+ break;
+
+ default:
+ ret = -EOPNOTSUPP;
+ break;
+ }
+ kfree(ipw);
+ ipw = NULL;
+out:
+ up(&priv->wx_sem);
+ return ret;
+}
+
+static u8 HwRateToMRate90(bool bIsHT, u8 rate)
+{
+ u8 ret_rate = 0xff;
+
+ if (!bIsHT) {
+ switch (rate) {
+ case DESC90_RATE1M:
+ ret_rate = MGN_1M;
+ break;
+ case DESC90_RATE2M:
+ ret_rate = MGN_2M;
+ break;
+ case DESC90_RATE5_5M:
+ ret_rate = MGN_5_5M;
+ break;
+ case DESC90_RATE11M:
+ ret_rate = MGN_11M;
+ break;
+ case DESC90_RATE6M:
+ ret_rate = MGN_6M;
+ break;
+ case DESC90_RATE9M:
+ ret_rate = MGN_9M;
+ break;
+ case DESC90_RATE12M:
+ ret_rate = MGN_12M;
+ break;
+ case DESC90_RATE18M:
+ ret_rate = MGN_18M;
+ break;
+ case DESC90_RATE24M:
+ ret_rate = MGN_24M;
+ break;
+ case DESC90_RATE36M:
+ ret_rate = MGN_36M;
+ break;
+ case DESC90_RATE48M:
+ ret_rate = MGN_48M;
+ break;
+ case DESC90_RATE54M:
+ ret_rate = MGN_54M;
+ break;
+
+ default:
+ ret_rate = 0xff;
+ RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
+ break;
+ }
+
+ } else {
+ switch (rate) {
+ case DESC90_RATEMCS0:
+ ret_rate = MGN_MCS0;
+ break;
+ case DESC90_RATEMCS1:
+ ret_rate = MGN_MCS1;
+ break;
+ case DESC90_RATEMCS2:
+ ret_rate = MGN_MCS2;
+ break;
+ case DESC90_RATEMCS3:
+ ret_rate = MGN_MCS3;
+ break;
+ case DESC90_RATEMCS4:
+ ret_rate = MGN_MCS4;
+ break;
+ case DESC90_RATEMCS5:
+ ret_rate = MGN_MCS5;
+ break;
+ case DESC90_RATEMCS6:
+ ret_rate = MGN_MCS6;
+ break;
+ case DESC90_RATEMCS7:
+ ret_rate = MGN_MCS7;
+ break;
+ case DESC90_RATEMCS8:
+ ret_rate = MGN_MCS8;
+ break;
+ case DESC90_RATEMCS9:
+ ret_rate = MGN_MCS9;
+ break;
+ case DESC90_RATEMCS10:
+ ret_rate = MGN_MCS10;
+ break;
+ case DESC90_RATEMCS11:
+ ret_rate = MGN_MCS11;
+ break;
+ case DESC90_RATEMCS12:
+ ret_rate = MGN_MCS12;
+ break;
+ case DESC90_RATEMCS13:
+ ret_rate = MGN_MCS13;
+ break;
+ case DESC90_RATEMCS14:
+ ret_rate = MGN_MCS14;
+ break;
+ case DESC90_RATEMCS15:
+ ret_rate = MGN_MCS15;
+ break;
+ case DESC90_RATEMCS32:
+ ret_rate = 0x80|0x20;
+ break;
+
+ default:
+ ret_rate = 0xff;
+ RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
+ break;
+ }
+ }
+
+ return ret_rate;
+}
+
+/**
+ * Function: UpdateRxPktTimeStamp
+ * Overview: Record the TSF time stamp when receiving a packet
+ *
+ * Input:
+ * PADAPTER Adapter
+ * PRT_RFD pRfd,
+ *
+ * Output:
+ * PRT_RFD pRfd
+ * (pRfd->Status.TimeStampHigh is updated)
+ * (pRfd->Status.TimeStampLow is updated)
+ * Return:
+ * None
+ */
+static void UpdateRxPktTimeStamp8190(struct net_device *dev,
+ struct ieee80211_rx_stats *stats)
+{
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+
+ if (stats->bIsAMPDU && !stats->bFirstMPDU) {
+ stats->mac_time[0] = priv->LastRxDescTSFLow;
+ stats->mac_time[1] = priv->LastRxDescTSFHigh;
+ } else {
+ priv->LastRxDescTSFLow = stats->mac_time[0];
+ priv->LastRxDescTSFHigh = stats->mac_time[1];
+ }
+}
+
+//by amy 080606
+
+static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
+{
+ long signal_power; // in dBm.
+
+ // Translate to dBm (x=0.5y-95).
+ signal_power = (long)((signal_strength_index + 1) >> 1);
+ signal_power -= 95;
+
+ return signal_power;
+}
+
+
+/* 2008/01/22 MH We can not declare RSSI/EVM total value of sliding window to
+ be a local static. Otherwise, it may increase when we return from S3/S4. The
+ value will be kept in memory or disk. Declare the value in the adaptor
+ and it will be reinitialized when returned from S3/S4. */
+static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
+ struct ieee80211_rx_stats *pprevious_stats,
+ struct ieee80211_rx_stats *pcurrent_stats)
+{
+ bool bcheck = false;
+ u8 rfpath;
+ u32 nspatial_stream, tmp_val;
+ static u32 slide_rssi_index, slide_rssi_statistics;
+ static u32 slide_evm_index, slide_evm_statistics;
+ static u32 last_rssi, last_evm;
+
+ static u32 slide_beacon_adc_pwdb_index, slide_beacon_adc_pwdb_statistics;
+ static u32 last_beacon_adc_pwdb;
+
+ struct ieee80211_hdr_3addr *hdr;
+ u16 sc;
+ unsigned int frag, seq;
+ hdr = (struct ieee80211_hdr_3addr *)buffer;
+ sc = le16_to_cpu(hdr->seq_ctl);
+ frag = WLAN_GET_SEQ_FRAG(sc);
+ seq = WLAN_GET_SEQ_SEQ(sc);
+ //cosa add 04292008 to record the sequence number
+ pcurrent_stats->Seq_Num = seq;
+ //
+ // Check whether we should take the previous packet into accounting
+ //
+ if (!pprevious_stats->bIsAMPDU) {
+ // if previous packet is not aggregated packet
+ bcheck = true;
+ }
+
+ if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
+ slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
+ last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
+ priv->stats.slide_rssi_total -= last_rssi;
+ }
+ priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
+
+ priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
+ if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
+ slide_rssi_index = 0;
+
+ // <1> Showed on UI for user, in dbm
+ tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
+ priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
+ pcurrent_stats->rssi = priv->stats.signal_strength;
+ //
+ // If the previous packet does not match the criteria, neglect it
+ //
+ if (!pprevious_stats->bPacketMatchBSSID) {
+ if (!pprevious_stats->bToSelfBA)
+ return;
+ }
+
+ if (!bcheck)
+ return;
+
+
+ //rtl8190_process_cck_rxpathsel(priv,pprevious_stats);//only rtl8190 supported
+
+ //
+ // Check RSSI
+ //
+ priv->stats.num_process_phyinfo++;
+
+ /* record the general signal strength to the sliding window. */
+
+
+ // <2> Showed on UI for engineering
+ // hardware does not provide rssi information for each rf path in CCK
+ if (!pprevious_stats->bIsCCK && (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
+ for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
+ if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, rfpath))
+ continue;
+
+ //Fixed by Jacken 2008-03-20
+ if (priv->stats.rx_rssi_percentage[rfpath] == 0)
+ priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
+ if (pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath]) {
+ priv->stats.rx_rssi_percentage[rfpath] =
+ ((priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
+ (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
+ priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
+ } else {
+ priv->stats.rx_rssi_percentage[rfpath] =
+ ((priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
+ (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
+ }
+ RT_TRACE(COMP_DBG, "priv->stats.rx_rssi_percentage[rfPath] = %d \n", priv->stats.rx_rssi_percentage[rfpath]);
+ }
+ }
+
+
+ //
+ // Check PWDB.
+ //
+ RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
+ pprevious_stats->bIsCCK ? "CCK" : "OFDM",
+ pprevious_stats->RxPWDBAll);
+
+ if (pprevious_stats->bPacketBeacon) {
+ /* record the beacon pwdb to the sliding window. */
+ if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
+ slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
+ last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
+ priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
+ }
+ priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
+ priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
+ slide_beacon_adc_pwdb_index++;
+ if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
+ slide_beacon_adc_pwdb_index = 0;
+ pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
+ if (pprevious_stats->RxPWDBAll >= 3)
+ pprevious_stats->RxPWDBAll -= 3;
+ }
+
+ RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
+ pprevious_stats->bIsCCK ? "CCK" : "OFDM",
+ pprevious_stats->RxPWDBAll);
+
+
+ if (pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA) {
+ if (priv->undecorated_smoothed_pwdb < 0) /* initialize */
+ priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
+ if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
+ priv->undecorated_smoothed_pwdb =
+ (((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
+ (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
+ priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
+ } else {
+ priv->undecorated_smoothed_pwdb =
+ (((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
+ (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
+ }
+
+ }
+
+ //
+ // Check EVM
+ //
+ /* record the general EVM to the sliding window. */
+ if (pprevious_stats->SignalQuality) {
+ if (pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA) {
+ if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
+ slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
+ last_evm = priv->stats.slide_evm[slide_evm_index];
+ priv->stats.slide_evm_total -= last_evm;
+ }
+
+ priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
+
+ priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
+ if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
+ slide_evm_index = 0;
+
+ // <1> Showed on UI for user, in percentage.
+ tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
+ priv->stats.signal_quality = tmp_val;
+ //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
+ priv->stats.last_signal_strength_inpercent = tmp_val;
+ }
+
+ // <2> Showed on UI for engineering
+ if (pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA) {
+ for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
+ if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
+ if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
+ priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
+ priv->stats.rx_evm_percentage[nspatial_stream] =
+ ((priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
+ (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
+ }
+ }
+ }
+ }
+
+
+}
+
+/*-----------------------------------------------------------------------------
+ * Function: rtl819x_query_rxpwrpercentage()
+ *
+ * Overview:
+ *
+ * Input: char antpower
+ *
+ * Output: NONE
+ *
+ * Return: 0-100 percentage
+ *
+ * Revised History:
+ * When Who Remark
+ * 05/26/2008 amy Create Version 0 porting from windows code.
+ *
+ *---------------------------------------------------------------------------*/
+static u8 rtl819x_query_rxpwrpercentage(char antpower)
+{
+ if ((antpower <= -100) || (antpower >= 20))
+ return 0;
+ else if (antpower >= 0)
+ return 100;
+ else
+ return 100 + antpower;
+
+} /* QueryRxPwrPercentage */
+
+static u8 rtl819x_evm_dbtopercentage(char value)
+{
+ char ret_val;
+
+ ret_val = value;
+
+ if (ret_val >= 0)
+ ret_val = 0;
+ if (ret_val <= -33)
+ ret_val = -33;
+ ret_val = 0 - ret_val;
+ ret_val *= 3;
+ if (ret_val == 99)
+ ret_val = 100;
+ return ret_val;
+}
+//
+// Description:
+// We want good-looking for signal strength/quality
+// 2007/7/19 01:09, by cosa.
+//
+static long rtl819x_signal_scale_mapping(long currsig)
+{
+ long retsig;
+
+ // Step 1. Scale mapping.
+ if (currsig >= 61 && currsig <= 100)
+ retsig = 90 + ((currsig - 60) / 4);
+ else if (currsig >= 41 && currsig <= 60)
+ retsig = 78 + ((currsig - 40) / 2);
+ else if (currsig >= 31 && currsig <= 40)
+ retsig = 66 + (currsig - 30);
+ else if (currsig >= 21 && currsig <= 30)
+ retsig = 54 + (currsig - 20);
+ else if (currsig >= 5 && currsig <= 20)
+ retsig = 42 + (((currsig - 5) * 2) / 3);
+ else if (currsig == 4)
+ retsig = 36;
+ else if (currsig == 3)
+ retsig = 27;
+ else if (currsig == 2)
+ retsig = 18;
+ else if (currsig == 1)
+ retsig = 9;
+ else
+ retsig = currsig;
+
+ return retsig;
+}
+
+static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
+{
+ if (pdrvinfo->RxHT)
+ return false;
+
+ switch (pdrvinfo->RxRate) {
+ case DESC90_RATE1M:
+ case DESC90_RATE2M:
+ case DESC90_RATE5_5M:
+ case DESC90_RATE11M:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
+ struct ieee80211_rx_stats *pstats,
+ rx_drvinfo_819x_usb *pdrvinfo,
+ struct ieee80211_rx_stats *precord_stats,
+ bool bpacket_match_bssid,
+ bool bpacket_toself,
+ bool bPacketBeacon,
+ bool bToSelfBA)
+{
+ phy_sts_ofdm_819xusb_t *pofdm_buf;
+ phy_sts_cck_819xusb_t *pcck_buf;
+ phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
+ u8 *prxpkt;
+ u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
+ char rx_pwr[4], rx_pwr_all = 0;
+ char rx_snrX, rx_evmX;
+ u8 evm, pwdb_all;
+ u32 RSSI, total_rssi = 0;
+ u8 is_cck_rate = 0;
+ u8 rf_rx_num = 0;
+ u8 sq;
+
+
+ priv->stats.numqry_phystatus++;
+
+ is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
+
+ // Record it for next packet processing
+ memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
+ pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
+ pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
+ pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
+ pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
+ pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
+
+ prxpkt = (u8 *)pdrvinfo;
+
+ /* Move pointer to the 16th bytes. Phy status start address. */
+ prxpkt += sizeof(rx_drvinfo_819x_usb);
+
+ /* Initial the cck and ofdm buffer pointer */
+ pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
+ pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
+
+ pstats->RxMIMOSignalQuality[0] = -1;
+ pstats->RxMIMOSignalQuality[1] = -1;
+ precord_stats->RxMIMOSignalQuality[0] = -1;
+ precord_stats->RxMIMOSignalQuality[1] = -1;
+
+ if (is_cck_rate) {
+ //
+ // (1)Hardware does not provide RSSI for CCK
+ //
+
+ //
+ // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
+ //
+ u8 report;
+
+ priv->stats.numqry_phystatusCCK++;
+
+ if (!priv->bCckHighPower) {
+ report = pcck_buf->cck_agc_rpt & 0xc0;
+ report >>= 6;
+ switch (report) {
+ //Fixed by Jacken from Bryant 2008-03-20
+ //Original value is -38 , -26 , -14 , -2
+ //Fixed value is -35 , -23 , -11 , 6
+ case 0x3:
+ rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
+ break;
+ case 0x2:
+ rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
+ break;
+ case 0x1:
+ rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
+ break;
+ case 0x0:
+ rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
+ break;
+ }
+ } else {
+ report = pcck_buf->cck_agc_rpt & 0x60;
+ report >>= 5;
+ switch (report) {
+ case 0x3:
+ rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
+ break;
+ case 0x2:
+ rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
+ break;
+ case 0x1:
+ rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
+ break;
+ case 0x0:
+ rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
+ break;
+ }
+ }
+
+ pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
+ pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
+ pstats->RecvSignalPower = pwdb_all;
+
+ //
+ // (3) Get Signal Quality (EVM)
+ //
+
+ if (pstats->RxPWDBAll > 40) {
+ sq = 100;
+ } else {
+ sq = pcck_buf->sq_rpt;
+
+ if (pcck_buf->sq_rpt > 64)
+ sq = 0;
+ else if (pcck_buf->sq_rpt < 20)
+ sq = 100;
+ else
+ sq = ((64-sq) * 100) / 44;
+ }
+ pstats->SignalQuality = precord_stats->SignalQuality = sq;
+ pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
+ pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
+
+ } else {
+ priv->stats.numqry_phystatusHT++;
+ //
+ // (1)Get RSSI for HT rate
+ //
+ for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
+ // 2008/01/30 MH we will judge RF RX path now.
+ if (priv->brfpath_rxenable[i])
+ rf_rx_num++;
+ else
+ continue;
+
+ if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, i))
+ continue;
+
+ //Fixed by Jacken from Bryant 2008-03-20
+ //Original value is 106
+ rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 106;
+
+ //Get Rx snr value in DB
+ tmp_rxsnr = pofdm_buf->rxsnr_X[i];
+ rx_snrX = (char)(tmp_rxsnr);
+ rx_snrX /= 2;
+ priv->stats.rxSNRdB[i] = (long)rx_snrX;
+
+ /* Translate DBM to percentage. */
+ RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
+ total_rssi += RSSI;
+
+ /* Record Signal Strength for next packet */
+ pstats->RxMIMOSignalStrength[i] = (u8) RSSI;
+ precord_stats->RxMIMOSignalStrength[i] = (u8) RSSI;
+ }
+
+
+ //
+ // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
+ //
+ //Fixed by Jacken from Bryant 2008-03-20
+ //Original value is 106
+ rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1)& 0x7f) -106;
+ pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
+
+ pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
+ pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
+
+ //
+ // (3)EVM of HT rate
+ //
+ if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
+ pdrvinfo->RxRate <= DESC90_RATEMCS15)
+ max_spatial_stream = 2; //both spatial stream make sense
+ else
+ max_spatial_stream = 1; //only spatial stream 1 makes sense
+
+ for (i = 0; i < max_spatial_stream; i++) {
+ tmp_rxevm = pofdm_buf->rxevm_X[i];
+ rx_evmX = (char)(tmp_rxevm);
+
+ // Do not use shift operation like "rx_evmX >>= 1" because the compiler of free build environment
+ // will set the most significant bit to "zero" when doing shifting operation which may change a negative
+ // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore.
+ rx_evmX /= 2; //dbm
+
+ evm = rtl819x_evm_dbtopercentage(rx_evmX);
+ if (i == 0) /* Fill value in RFD, Get the first spatial stream only */
+ pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
+ pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
+ }
+
+
+ /* record rx statistics for debug */
+ rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
+ prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
+ if (pdrvinfo->BW) /* 40M channel */
+ priv->stats.received_bwtype[1+prxsc->rxsc]++;
+ else //20M channel
+ priv->stats.received_bwtype[0]++;
+ }
+
+ //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
+ //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
+ if (is_cck_rate) {
+ pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
+ } else {
+ // We can judge RX path number now.
+ if (rf_rx_num != 0)
+ pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
+ }
+} /* QueryRxPhyStatus8190Pci */
+
+static void rtl8192_record_rxdesc_forlateruse(struct ieee80211_rx_stats *psrc_stats,
+ struct ieee80211_rx_stats *ptarget_stats)
+{
+ ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
+ ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
+ ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
+}
+
+
+static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
+ struct ieee80211_rx_stats *pstats,
+ rx_drvinfo_819x_usb *pdrvinfo)
+{
+ // TODO: We must only check packet for current MAC address. Not finish
+ rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
+ struct net_device *dev = info->dev;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ bool bpacket_match_bssid, bpacket_toself;
+ bool bPacketBeacon = false, bToSelfBA = false;
+ static struct ieee80211_rx_stats previous_stats;
+ struct ieee80211_hdr_3addr *hdr;//by amy
+ u16 fc, type;
+
+ // Get Signal Quality for only RX data queue (but not command queue)
+
+ u8 *tmp_buf;
+ u8 *praddr;
+
+ /* Get MAC frame start address. */
+ tmp_buf = (u8 *)skb->data;
+
+ hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
+ fc = le16_to_cpu(hdr->frame_ctl);
+ type = WLAN_FC_GET_TYPE(fc);
+ praddr = hdr->addr1;
+
+ /* Check if the received packet is acceptable. */
+ bpacket_match_bssid = (IEEE80211_FTYPE_CTL != type) &&
+ (eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
+ && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
+ bpacket_toself = bpacket_match_bssid & (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
+
+ if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
+ bPacketBeacon = true;
+ if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
+ if ((eqMacAddr(praddr, dev->dev_addr)))
+ bToSelfBA = true;
+ }
+
+
+
+ if (bpacket_match_bssid)
+ priv->stats.numpacket_matchbssid++;
+ if (bpacket_toself)
+ priv->stats.numpacket_toself++;
+ //
+ // Process PHY information for previous packet (RSSI/PWDB/EVM)
+ //
+ // Because phy information is contained in the last packet of AMPDU only, so driver
+ // should process phy information of previous packet
+ rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
+ rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats, bpacket_match_bssid, bpacket_toself, bPacketBeacon, bToSelfBA);
+ rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
+
+}
+
+/**
+* Function: UpdateReceivedRateHistogramStatistics
+* Overview: Record the received data rate
+*
+* Input:
+* struct net_device *dev
+* struct ieee80211_rx_stats *stats
+*
+* Output:
+*
+* (priv->stats.ReceivedRateHistogram[] is updated)
+* Return:
+* None
+*/
+static void
+UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
+ struct ieee80211_rx_stats *stats)
+{
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ u32 rcvType = 1; //0: Total, 1:OK, 2:CRC, 3:ICV
+ u32 rateIndex;
+ u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI
+
+
+ if (stats->bCRC)
+ rcvType = 2;
+ else if (stats->bICV)
+ rcvType = 3;
+
+ if (stats->bShortPreamble)
+ preamble_guardinterval = 1;// short
+ else
+ preamble_guardinterval = 0;// long
+
+ switch (stats->rate) {
+ /* CCK rate */
+ case MGN_1M:
+ rateIndex = 0;
+ break;
+ case MGN_2M:
+ rateIndex = 1;
+ break;
+ case MGN_5_5M:
+ rateIndex = 2;
+ break;
+ case MGN_11M:
+ rateIndex = 3;
+ break;
+ /* Legacy OFDM rate */
+ case MGN_6M:
+ rateIndex = 4;
+ break;
+ case MGN_9M:
+ rateIndex = 5;
+ break;
+ case MGN_12M:
+ rateIndex = 6;
+ break;
+ case MGN_18M:
+ rateIndex = 7;
+ break;
+ case MGN_24M:
+ rateIndex = 8;
+ break;
+ case MGN_36M:
+ rateIndex = 9;
+ break;
+ case MGN_48M:
+ rateIndex = 10;
+ break;
+ case MGN_54M:
+ rateIndex = 11;
+ break;
+ /* 11n High throughput rate */
+ case MGN_MCS0:
+ rateIndex = 12;
+ break;
+ case MGN_MCS1:
+ rateIndex = 13;
+ break;
+ case MGN_MCS2:
+ rateIndex = 14;
+ break;
+ case MGN_MCS3:
+ rateIndex = 15;
+ break;
+ case MGN_MCS4:
+ rateIndex = 16;
+ break;
+ case MGN_MCS5:
+ rateIndex = 17;
+ break;
+ case MGN_MCS6:
+ rateIndex = 18;
+ break;
+ case MGN_MCS7:
+ rateIndex = 19;
+ break;
+ case MGN_MCS8:
+ rateIndex = 20;
+ break;
+ case MGN_MCS9:
+ rateIndex = 21;
+ break;
+ case MGN_MCS10:
+ rateIndex = 22;
+ break;
+ case MGN_MCS11:
+ rateIndex = 23;
+ break;
+ case MGN_MCS12:
+ rateIndex = 24;
+ break;
+ case MGN_MCS13:
+ rateIndex = 25;
+ break;
+ case MGN_MCS14:
+ rateIndex = 26;
+ break;
+ case MGN_MCS15:
+ rateIndex = 27;
+ break;
+ default:
+ rateIndex = 28;
+ break;
+ }
+ priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
+ priv->stats.received_rate_histogram[0][rateIndex]++; //total
+ priv->stats.received_rate_histogram[rcvType][rateIndex]++;
+}
+
+
+static void query_rxdesc_status(struct sk_buff *skb,
+ struct ieee80211_rx_stats *stats,
+ bool bIsRxAggrSubframe)
+{
+ rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
+ struct net_device *dev = info->dev;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ rx_drvinfo_819x_usb *driver_info = NULL;
+
+ //
+ //Get Rx Descriptor Information
+ //
+ rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
+
+ stats->Length = desc->Length;
+ stats->RxDrvInfoSize = desc->RxDrvInfoSize;
+ stats->RxBufShift = 0;
+ stats->bICV = desc->ICV;
+ stats->bCRC = desc->CRC32;
+ stats->bHwError = stats->bCRC|stats->bICV;
+ /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
+ stats->Decrypted = !desc->SWDec;
+
+ if ((priv->ieee80211->pHTInfo->bCurrentHTSupport == true) && (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
+ stats->bHwError = false;
+ else
+ stats->bHwError = stats->bCRC|stats->bICV;
+
+ if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
+ stats->bHwError |= 1;
+ //
+ //Get Driver Info
+ //
+ // TODO: Need to verify it on FGPA platform
+ //Driver info are written to the RxBuffer following rx desc
+ if (stats->RxDrvInfoSize != 0) {
+ driver_info = (rx_drvinfo_819x_usb *)(skb->data + sizeof(rx_desc_819x_usb) +
+ stats->RxBufShift);
+ /* unit: 0.5M */
+ /* TODO */
+ if (!stats->bHwError) {
+ u8 ret_rate;
+ ret_rate = HwRateToMRate90(driver_info->RxHT, driver_info->RxRate);
+ if (ret_rate == 0xff) {
+ // Abnormal Case: Receive CRC OK packet with Rx descriptor indicating non supported rate.
+ // Special Error Handling here, 2008.05.16, by Emily
+
+ stats->bHwError = 1;
+ stats->rate = MGN_1M; //Set 1M rate by default
+ } else {
+ stats->rate = ret_rate;
+ }
+ } else {
+ stats->rate = 0x02;
+ }
+
+ stats->bShortPreamble = driver_info->SPLCP;
+
+
+ UpdateReceivedRateHistogramStatistics8190(dev, stats);
+
+ stats->bIsAMPDU = (driver_info->PartAggr == 1);
+ stats->bFirstMPDU = (driver_info->PartAggr == 1) && (driver_info->FirstAGGR == 1);
+ stats->TimeStampLow = driver_info->TSFL;
+ // xiong mask it, 070514
+
+ UpdateRxPktTimeStamp8190(dev, stats);
+
+ //
+ // Rx A-MPDU
+ //
+ if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
+ RT_TRACE(COMP_RXDESC, "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
+ driver_info->FirstAGGR, driver_info->PartAggr);
+
+ }
+
+ skb_pull(skb, sizeof(rx_desc_819x_usb));
+ //
+ // Get Total offset of MPDU Frame Body
+ //
+ if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
+ stats->bShift = 1;
+ skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
+ }
+
+ if (driver_info) {
+ stats->RxIs40MHzPacket = driver_info->BW;
+ TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
+ }
+}
+
+static void rtl8192_rx_nomal(struct sk_buff *skb)
+{
+ rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
+ struct net_device *dev = info->dev;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct ieee80211_rx_stats stats = {
+ .signal = 0,
+ .noise = -98,
+ .rate = 0,
+ .freq = IEEE80211_24GHZ_BAND,
+ };
+ u32 rx_pkt_len = 0;
+ struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
+ bool unicast_packet = false;
+
+ /* 20 is for ps-poll */
+ if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
+ /* first packet should not contain Rx aggregation header */
+ query_rxdesc_status(skb, &stats, false);
+ /* TODO */
+ /* hardware related info */
+ /* Process the MPDU received */
+ skb_trim(skb, skb->len - 4/*sCrcLng*/);
+
+ rx_pkt_len = skb->len;
+ ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
+ unicast_packet = false;
+ if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
+ //TODO
+ } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
+ //TODO
+ } else {
+ /* unicast packet */
+ unicast_packet = true;
+ }
+
+ if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
+ dev_kfree_skb_any(skb);
+ } else {
+ priv->stats.rxoktotal++;
+ if (unicast_packet)
+ priv->stats.rxbytesunicast += rx_pkt_len;
+ }
+ } else {
+ priv->stats.rxurberr++;
+ netdev_dbg(dev, "actual_length: %d\n", skb->len);
+ dev_kfree_skb_any(skb);
+ }
+
+}
+
+static void rtl819xusb_process_received_packet(struct net_device *dev,
+ struct ieee80211_rx_stats *pstats)
+{
+ u8 *frame;
+ u16 frame_len = 0;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+ // Get shifted bytes of Starting address of 802.11 header. 2006.09.28, by Emily
+ //porting by amy 080508
+ pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
+ frame = pstats->virtual_address;
+ frame_len = pstats->packetlength;
+#ifdef TODO // by amy about HCT
+ if (!Adapter->bInHctTest)
+ CountRxErrStatistics(Adapter, pRfd);
+#endif
+#ifdef ENABLE_PS //by amy for adding ps function in future
+ RT_RF_POWER_STATE rtState;
+ // When RF is off, we should not count the packet for hw/sw synchronize
+ // reason, ie. there may be a duration while sw switch is changed and hw
+ // switch is being changed. 2006.12.04, by shien chang.
+ Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE, (u8 *)(&rtState));
+ if (rtState == eRfOff)
+ return;
+#endif
+ priv->stats.rxframgment++;
+
+#ifdef TODO
+ RmMonitorSignalStrength(Adapter, pRfd);
+#endif
+ /* 2007/01/16 MH Add RX command packet handle here. */
+ /* 2007/03/01 MH We have to release RFD and return if rx pkt is cmd pkt. */
+ if (rtl819xusb_rx_command_packet(dev, pstats))
+ return;
+
+#ifdef SW_CRC_CHECK
+ SwCrcCheck();
+#endif
+
+
+}
+
+static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
+ struct ieee80211_rx_stats *stats)
+{
+ rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
+
+ //
+ //Get Rx Descriptor Information
+ //
+ stats->virtual_address = (u8 *)skb->data;
+ stats->Length = desc->Length;
+ stats->RxDrvInfoSize = 0;
+ stats->RxBufShift = 0;
+ stats->packetlength = stats->Length-scrclng;
+ stats->fraglength = stats->packetlength;
+ stats->fragoffset = 0;
+ stats->ntotalfrag = 1;
+}
+
+
+static void rtl8192_rx_cmd(struct sk_buff *skb)
+{
+ struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
+ struct net_device *dev = info->dev;
+ /* TODO */
+ struct ieee80211_rx_stats stats = {
+ .signal = 0,
+ .noise = -98,
+ .rate = 0,
+ .freq = IEEE80211_24GHZ_BAND,
+ };
+
+ if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
+
+ query_rx_cmdpkt_desc_status(skb, &stats);
+ // this is to be done by amy 080508 prfd->queue_id = 1;
+
+
+ //
+ // Process the command packet received.
+ //
+
+ rtl819xusb_process_received_packet(dev, &stats);
+
+ dev_kfree_skb_any(skb);
+ }
+}
+
+void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
+{
+ struct sk_buff *skb;
+ struct rtl8192_rx_info *info;
+
+ while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
+ info = (struct rtl8192_rx_info *)skb->cb;
+ switch (info->out_pipe) {
+ /* Nomal packet pipe */
+ case 3:
+ priv->IrpPendingCount--;
+ rtl8192_rx_nomal(skb);
+ break;
+
+ /* Command packet pipe */
+ case 9:
+ RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
+ info->out_pipe);
+
+ rtl8192_rx_cmd(skb);
+ break;
+
+ default: /* should never get here! */
+ RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
+ info->out_pipe);
+ dev_kfree_skb(skb);
+ break;
+
+ }
+ }
+}
+
+static const struct net_device_ops rtl8192_netdev_ops = {
+ .ndo_open = rtl8192_open,
+ .ndo_stop = rtl8192_close,
+ .ndo_get_stats = rtl8192_stats,
+ .ndo_tx_timeout = tx_timeout,
+ .ndo_do_ioctl = rtl8192_ioctl,
+ .ndo_set_rx_mode = r8192_set_multicast,
+ .ndo_set_mac_address = r8192_set_mac_adr,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_start_xmit = ieee80211_xmit,
+};
+
+
+/****************************************************************************
+ ---------------------------- USB_STUFF---------------------------
+*****************************************************************************/
+
+static int rtl8192_usb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct net_device *dev = NULL;
+ struct r8192_priv *priv = NULL;
+ struct usb_device *udev = interface_to_usbdev(intf);
+ int ret;
+ RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
+
+ dev = alloc_ieee80211(sizeof(struct r8192_priv));
+ if (dev == NULL)
+ return -ENOMEM;
+
+ usb_set_intfdata(intf, dev);
+ SET_NETDEV_DEV(dev, &intf->dev);
+ priv = ieee80211_priv(dev);
+ priv->ieee80211 = netdev_priv(dev);
+ priv->udev = udev;
+
+ dev->netdev_ops = &rtl8192_netdev_ops;
+
+ dev->wireless_handlers = (struct iw_handler_def *) &r8192_wx_handlers_def;
+
+ dev->type = ARPHRD_ETHER;
+
+ dev->watchdog_timeo = HZ*3; //modified by john, 0805
+
+ if (dev_alloc_name(dev, ifname) < 0) {
+ RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
+ ifname = "wlan%d";
+ dev_alloc_name(dev, ifname);
+ }
+
+ RT_TRACE(COMP_INIT, "Driver probe completed1\n");
+ if (rtl8192_init(dev) != 0) {
+ RT_TRACE(COMP_ERR, "Initialization failed");
+ ret = -ENODEV;
+ goto fail;
+ }
+ netif_carrier_off(dev);
+ netif_stop_queue(dev);
+
+ ret = register_netdev(dev);
+ if (ret)
+ goto fail2;
+
+ RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
+ rtl8192_proc_init_one(dev);
+
+
+ RT_TRACE(COMP_INIT, "Driver probe completed\n");
+ return 0;
+
+fail2:
+ rtl8192_down(dev);
+ kfree(priv->pFirmware);
+ priv->pFirmware = NULL;
+ rtl8192_usb_deleteendpoints(dev);
+ destroy_workqueue(priv->priv_wq);
+ mdelay(10);
+fail:
+ free_ieee80211(dev);
+
+ RT_TRACE(COMP_ERR, "wlan driver load failed\n");
+ return ret;
+}
+
+//detach all the work and timer structure declared or inititialize in r8192U_init function.
+void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
+{
+
+ cancel_work_sync(&priv->reset_wq);
+ cancel_delayed_work(&priv->watch_dog_wq);
+ cancel_delayed_work(&priv->update_beacon_wq);
+ cancel_work_sync(&priv->qos_activate);
+}
+
+
+static void rtl8192_usb_disconnect(struct usb_interface *intf)
+{
+ struct net_device *dev = usb_get_intfdata(intf);
+
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ if (dev) {
+
+ unregister_netdev(dev);
+
+ RT_TRACE(COMP_DOWN, "=============>wlan driver to be removed\n");
+ rtl8192_proc_remove_one(dev);
+
+ rtl8192_down(dev);
+ kfree(priv->pFirmware);
+ priv->pFirmware = NULL;
+ rtl8192_usb_deleteendpoints(dev);
+ destroy_workqueue(priv->priv_wq);
+ mdelay(10);
+
+ }
+ free_ieee80211(dev);
+ RT_TRACE(COMP_DOWN, "wlan driver removed\n");
+}
+
+static int __init rtl8192_usb_module_init(void)
+{
+ int ret;
+
+#ifdef CONFIG_IEEE80211_DEBUG
+ ret = ieee80211_debug_init();
+ if (ret) {
+ pr_err("ieee80211_debug_init() failed %d\n", ret);
+ return ret;
+ }
+#endif
+ ret = ieee80211_crypto_init();
+ if (ret) {
+ pr_err("ieee80211_crypto_init() failed %d\n", ret);
+ return ret;
+ }
+
+ ret = ieee80211_crypto_tkip_init();
+ if (ret) {
+ pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
+ return ret;
+ }
+
+ ret = ieee80211_crypto_ccmp_init();
+ if (ret) {
+ pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
+ return ret;
+ }
+
+ ret = ieee80211_crypto_wep_init();
+ if (ret) {
+ pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
+ return ret;
+ }
+
+ pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
+ pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
+ RT_TRACE(COMP_INIT, "Initializing module");
+ RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
+ rtl8192_proc_module_init();
+ return usb_register(&rtl8192_usb_driver);
+}
+
+
+static void __exit rtl8192_usb_module_exit(void)
+{
+ usb_deregister(&rtl8192_usb_driver);
+
+ RT_TRACE(COMP_DOWN, "Exiting");
+}
+
+
+void rtl8192_try_wake_queue(struct net_device *dev, int pri)
+{
+ unsigned long flags;
+ short enough_desc;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+
+ spin_lock_irqsave(&priv->tx_lock, flags);
+ enough_desc = check_nic_enough_desc(dev, pri);
+ spin_unlock_irqrestore(&priv->tx_lock, flags);
+
+ if (enough_desc)
+ ieee80211_wake_queue(priv->ieee80211);
+}
+
+void EnableHWSecurityConfig8192(struct net_device *dev)
+{
+ u8 SECR_value = 0x0;
+ struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+ struct ieee80211_device *ieee = priv->ieee80211;
+ SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
+ if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2)) {
+ SECR_value |= SCR_RxUseDK;
+ SECR_value |= SCR_TxUseDK;
+ } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
+ SECR_value |= SCR_RxUseDK;
+ SECR_value |= SCR_TxUseDK;
+ }
+ //add HWSec active enable here.
+ //default using hwsec. when peer AP is in N mode only and pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates it), use software security. when peer AP is in b,g,n mode mixed and pairwise_key_type is none_aes, use g mode hw security. WB on 2008.7.4
+
+ ieee->hwsec_active = 1;
+
+ if ((ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE) || !hwwep) { /* add hwsec_support flag to totol control hw_sec on/off */
+ ieee->hwsec_active = 0;
+ SECR_value &= ~SCR_RxDecEnable;
+ }
+ RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __func__,
+ ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
+ write_nic_byte(dev, SECR, SECR_value);
+}
+
+
+void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
+ u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
+{
+ u32 TargetCommand = 0;
+ u32 TargetContent = 0;
+ u16 usConfig = 0;
+ u8 i;
+ if (EntryNo >= TOTAL_CAM_ENTRY)
+ RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
+
+ RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev, EntryNo, KeyIndex, KeyType, MacAddr);
+
+ if (DefaultKey)
+ usConfig |= BIT15 | (KeyType<<2);
+ else
+ usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
+
+
+ for (i = 0; i < CAM_CONTENT_COUNT; i++) {
+ TargetCommand = i+CAM_CONTENT_COUNT*EntryNo;
+ TargetCommand |= BIT31|BIT16;
+
+ if (i == 0) { /* MAC|Config */
+ TargetContent = (u32)(*(MacAddr+0)) << 16|
+ (u32)(*(MacAddr+1)) << 24|
+ (u32)usConfig;
+
+ write_nic_dword(dev, WCAMI, TargetContent);
+ write_nic_dword(dev, RWCAM, TargetCommand);
+ } else if (i == 1) { /* MAC */
+ TargetContent = (u32)(*(MacAddr+2)) |
+ (u32)(*(MacAddr+3)) << 8|
+ (u32)(*(MacAddr+4)) << 16|
+ (u32)(*(MacAddr+5)) << 24;
+ write_nic_dword(dev, WCAMI, TargetContent);
+ write_nic_dword(dev, RWCAM, TargetCommand);
+ } else {
+ //Key Material
+ if (KeyContent != NULL) {
+ write_nic_dword(dev, WCAMI, (u32)(*(KeyContent+i-2)));
+ write_nic_dword(dev, RWCAM, TargetCommand);
+ }
+ }
+ }
+
+}
+
+/***************************************************************************
+ ------------------- module init / exit stubs ----------------
+****************************************************************************/
+module_init(rtl8192_usb_module_init);
+module_exit(rtl8192_usb_module_exit);
Code Review / kvmfornfv.git / blobdiff