| /****************************************************************************** |
| * 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 <linux/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" |
| #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. */ |
| 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, 0644); |
| module_param(hwwep, int, 0644); |
| module_param(channels, int, 0644); |
| |
| 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[] = { |
| /* FCC */ |
| {{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}, |
| /* IC */ |
| {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11}, |
| /* ETSI */ |
| {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, |
| /* 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}, 13}, |
| /* 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, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, |
| /* Israel. */ |
| {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, |
| /* 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, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, |
| /* For Global Domain. 1-11:active scan, 12-14 passive scan. */ |
| {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14} |
| }; |
| |
| 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: |
| /* this flag enabled to follow 11d country IE setting, |
| * otherwise, it shall follow global domain settings. |
| */ |
| GET_DOT11D_INFO(ieee)->bEnabled = 0; |
| Dot11d_Reset(ieee); |
| ieee->bGlobalDomain = true; |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| |
| |
| |
| static void CamResetAllEntry(struct net_device *dev) |
| { |
| u32 ulcommand = 0; |
| /* 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 |= BIT(31) | BIT(30); |
| 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, BIT(31) | BIT(16) | (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; |
| } |
| |
| int 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; |
| u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL); |
| |
| if (!usbdata) |
| return -ENOMEM; |
| *usbdata = data; |
| |
| status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
| RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, |
| indx | 0xfe00, 0, usbdata, 1, HZ / 2); |
| kfree(usbdata); |
| |
| if (status < 0) { |
| netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n", |
| status); |
| return status; |
| } |
| return 0; |
| } |
| |
| 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; |
| u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL); |
| |
| if (!usbdata) |
| return -ENOMEM; |
| |
| status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
| RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, |
| indx | 0xfe00, 0, usbdata, 1, HZ / 2); |
| *data = *usbdata; |
| kfree(usbdata); |
| |
| 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. */ |
| int 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; |
| u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL); |
| |
| if (!usbdata) |
| return -ENOMEM; |
| *usbdata = data; |
| |
| status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
| RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, |
| (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, |
| usbdata, 1, HZ / 2); |
| kfree(usbdata); |
| |
| if (status < 0) { |
| netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status); |
| return status; |
| } |
| |
| return 0; |
| } |
| |
| |
| int 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; |
| u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL); |
| |
| if (!usbdata) |
| return -ENOMEM; |
| *usbdata = data; |
| |
| status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
| RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, |
| (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, |
| usbdata, 2, HZ / 2); |
| kfree(usbdata); |
| |
| if (status < 0) { |
| netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status); |
| return status; |
| } |
| |
| return 0; |
| } |
| |
| |
| int 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; |
| u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL); |
| |
| if (!usbdata) |
| return -ENOMEM; |
| *usbdata = data; |
| |
| status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
| RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, |
| (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, |
| usbdata, 4, HZ / 2); |
| kfree(usbdata); |
| |
| |
| if (status < 0) { |
| netdev_err(dev, "write_nic_dword TimeOut! status: %d\n", |
| status); |
| return status; |
| } |
| |
| return 0; |
| } |
| |
| |
| |
| 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; |
| u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL); |
| |
| if (!usbdata) |
| return -ENOMEM; |
| |
| status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
| RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, |
| (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, |
| usbdata, 1, HZ / 2); |
| *data = *usbdata; |
| kfree(usbdata); |
| |
| 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; |
| u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL); |
| |
| if (!usbdata) |
| return -ENOMEM; |
| |
| status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
| RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, |
| (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, |
| usbdata, 2, HZ / 2); |
| *data = *usbdata; |
| kfree(usbdata); |
| |
| 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; |
| u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL); |
| |
| if (!usbdata) |
| return -ENOMEM; |
| |
| status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
| RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, |
| indx | 0xfe00, 0, usbdata, 2, HZ / 2); |
| *data = *usbdata; |
| kfree(usbdata); |
| |
| 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; |
| u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL); |
| |
| if (!usbdata) |
| return -ENOMEM; |
| |
| status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
| RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, |
| (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, |
| usbdata, 4, HZ / 2); |
| *data = *usbdata; |
| kfree(usbdata); |
| |
| 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 */ |
| |
| 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); |
| } |
| |
| /* 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; |
| struct cb_desc *tcb_desc = (struct 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); |
| |
| *(struct net_device **)(skb->cb) = 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; |
| struct cb_desc *tcb_desc = (struct 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; |
| } else { |
| skb_push(skb, priv->ieee80211->tx_headroom); |
| ret = rtl8192_tx(dev, skb); |
| } |
| |
| spin_unlock_irqrestore(&priv->tx_lock, flags); |
| |
| return ret; |
| } |
| |
| static void rtl8192_tx_isr(struct urb *tx_urb) |
| { |
| struct sk_buff *skb = (struct sk_buff *)tx_urb->context; |
| struct net_device *dev; |
| struct r8192_priv *priv = NULL; |
| struct cb_desc *tcb_desc; |
| u8 queue_index; |
| |
| if (!skb) |
| return; |
| |
| dev = *(struct net_device **)(skb->cb); |
| tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); |
| queue_index = tcb_desc->queue_index; |
| |
| priv = ieee80211_priv(dev); |
| |
| if (tcb_desc->queue_index != TXCMD_QUEUE) { |
| if (tx_urb->status == 0) { |
| netif_trans_update(dev); |
| 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 */ |
| 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; /* 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) |
| { |
| |
| } |
| |
| 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; |
| struct cb_desc *tcb_desc = (struct 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; |
| pdesc->LastSeg = 1; |
| 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; |
| |
| 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; /* default 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: 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, struct 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) |
| { |
| } |
| |
| /* |
| * 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); |
| struct cb_desc *tcb_desc = (struct 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; |
| } 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; |
| /* use duplicated mode */ |
| tx_fwinfo->TxSubCarrier = 0; |
| } 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. |
| */ |
| 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) |
| 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; |
| } |
| } |
| netif_trans_update(dev); |
| atomic_inc(&priv->tx_pending[tcb_desc->queue_index]); |
| return 0; |
| } |
| |
| 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) |
| 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; |
| |
| 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; |
| |
| 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. |
| */ |
| if (ieee->pairwise_key_type == KEY_TYPE_WEP40 || |
| ieee->pairwise_key_type == KEY_TYPE_WEP104) |
| 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 const 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; |
| schedule_work(&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)) { |
| schedule_work(&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); |
| schedule_delayed_work(&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 || !network) |
| 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) |
| schedule_work(&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 && |
| (strcmp(crypt->ops->name, "WEP") == 0)); |
| |
| /* 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) |
| { |
| struct r8192_priv *priv = ieee80211_priv(dev); |
| |
| return priv->ieee80211->bHalfWirelessN24GMode; |
| } |
| |
| 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; |
| |
| /* we don't use FW read/write RF until stable firmware is available. */ |
| priv->ieee80211->FwRWRF = 0; |
| 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; |
| |
| 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; |
| priv->ieee80211->stop_send_beacons = NULL; |
| 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; |
| |
| priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode; |
| priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response; |
| priv->ieee80211->handle_beacon = rtl8192_handle_beacon; |
| |
| priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192; |
| priv->ieee80211->GetHalfNmodeSupportByAPsHandler = |
| GetHalfNmodeSupportByAPs819xUsb; |
| priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode; |
| |
| 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 = |
| /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */ |
| (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET) | |
| /* Short retry limit */ |
| (priv->ShortRetryLimit << TCR_SRL_OFFSET) | |
| /* Long retry limit */ |
| (priv->LongRetryLimit << TCR_LRL_OFFSET) | |
| /* FALSE: HW provides PLCP length and LENGEXT |
| * TRUE: SW provides them |
| */ |
| (false ? TCR_SAT : 0); |
| #ifdef TO_DO_LIST |
| if (Adapter->bInHctTest) |
| pHalData->ReceiveConfig = |
| pHalData->CSMethod | |
| /* accept management/data */ |
| RCR_AMF | RCR_ADF | |
| /* accept control frame for SW |
| * AP needs PS-poll |
| */ |
| RCR_ACF | |
| /* accept BC/MC/UC */ |
| RCR_AB | RCR_AM | RCR_APM | |
| /* accept ICV/CRC error |
| * packet |
| */ |
| RCR_AICV | RCR_ACRC32 | |
| /* Max DMA Burst Size per Tx |
| * DMA Burst, 7: unlimited. |
| */ |
| ((u32)7 << RCR_MXDMA_OFFSET) | |
| /* Rx FIFO Threshold, |
| * 7: No Rx threshold. |
| */ |
| (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) | |
| (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0); |
| else |
| |
| #endif |
| priv->ReceiveConfig = |
| /* accept management/data */ |
| RCR_AMF | RCR_ADF | |
| /* accept control frame for SW AP needs PS-poll */ |
| RCR_ACF | |
| /* accept BC/MC/UC */ |
| RCR_AB | RCR_AM | RCR_APM | |
| /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */ |
| ((u32)7 << RCR_MXDMA_OFFSET) | |
| /* Rx FIFO Threshold, 7: No Rx threshold. */ |
| (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) | |
| (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); |
| mutex_init(&priv->wx_mutex); |
| 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); |
| |
| |
| 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 BIT(5?) */ |
| 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 int 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; |
| int ret; |
| |
| RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__); |
| ret = eprom_read(dev, 0); /* first read EEPROM ID out; */ |
| if (ret < 0) |
| return ret; |
| wEPROM_ID = (u16)ret; |
| 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); |
| ret = eprom_read(dev, EEPROM_VID >> 1); |
| if (ret < 0) |
| return ret; |
| tmpValue = (u16)ret; |
| priv->eeprom_vid = endian_swap(&tmpValue); |
| ret = eprom_read(dev, EEPROM_PID >> 1); |
| if (ret < 0) |
| return ret; |
| priv->eeprom_pid = (u16)ret; |
| ret = eprom_read(dev, EEPROM_ChannelPlan >> 1); |
| if (ret < 0) |
| return ret; |
| tmpValue = (u16)ret; |
| priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8; |
| priv->btxpowerdata_readfromEEPORM = true; |
| ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8; |
| if (ret < 0) |
| return ret; |
| priv->eeprom_CustomerID = (u16)ret; |
| } 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) { |
| ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1)); |
| if (ret < 0) |
| return ret; |
| *(u16 *)(&dev->dev_addr[i]) = (u16)ret; |
| } |
| } 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) { |
| ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1)); |
| if (ret < 0) |
| return ret; |
| priv->EEPROMTxPowerDiff = ((u16)ret & 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) { |
| ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1)); |
| if (ret < 0) |
| return ret; |
| priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff); |
| } else |
| priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter; |
| RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter); |
| /* 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) { |
| ret = eprom_read(dev, (EEPROM_PwDiff >> 1)); |
| if (ret < 0) |
| return ret; |
| priv->EEPROMPwDiff = ((u16)ret & 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) { |
| ret = eprom_read(dev, (EEPROM_CrystalCap >> 1)); |
| if (ret < 0) |
| return ret; |
| priv->EEPROMCrystalCap = (u16)ret & 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) { |
| ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1)); |
| if (ret < 0) |
| return ret; |
| priv->EEPROM_Def_Ver = ((u16)ret & 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) { |
| ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1)); |
| if (ret < 0) |
| return ret; |
| priv->EEPROMTxPowerLevelCCK = ((u16)ret & 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) { |
| ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1); |
| if (ret < 0) |
| return ret; |
| if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0) |
| tmpValue = (u16)ret & 0x00ff; |
| else |
| tmpValue = ((u16)ret & 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) { |
| ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1); |
| if (ret < 0) |
| return ret; |
| tmpValue = ((u16)ret & 0xff00) >> 8; |
| } else { |
| tmpValue = 0x10; |
| } |
| priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue; |
| |
| if (bLoad_From_EEPOM) { |
| ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1); |
| if (ret < 0) |
| return ret; |
| tmpValue = (u16)ret; |
| } 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 */ |
| |
| /* for dlink led */ |
| 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"); |
| |
| /* We can only know RF type in the function. So we have to init |
| * DIG RATR table again. |
| */ |
| init_rate_adaptive(dev); |
| |
| RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__); |
| |
| return 0; |
| } |
| |
| 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); |
| int err; |
| |
| 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); |
| err = rtl8192_read_eeprom_info(dev); |
| if (err) { |
| DMESG("Reading EEPROM info failed"); |
| kfree(priv->pFirmware); |
| priv->pFirmware = NULL; |
| free_ieee80211(dev); |
| return err; |
| } |
| 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); |
| |
| /* 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!! */ |
| 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) { /* 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_attenuation_20Mdefault = (u8)i; |
| break; |
| } |
| } |
| priv->cck_present_attenuation_40Mdefault = 0; |
| priv->cck_present_attenuation_difference = 0; |
| priv->cck_present_attenuation = |
| priv->cck_present_attenuation_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; |
| |
| 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; |
| |
| rx_chk_cnt = 0; |
| } else { |
| if (rx_chk_cnt < 8) |
| return bStuck; |
| |
| 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. |
| */ |
| 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 |
| * |
| * 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. |
| */ |
| 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; |
| |
| |
| /* 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; |
| mutex_lock(&priv->wx_mutex); |
| if (priv->up == 0) { |
| RT_TRACE(COMP_ERR, |
| "%s():the driver is not up! return\n", |
| __func__); |
| mutex_unlock(&priv->wx_mutex); |
| 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) { |
| mutex_lock(&ieee->wx_mutex); |
| 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); |
| mutex_unlock(&ieee->wx_mutex); |
| } else { |
| netdev_dbg(dev, "ieee->state is NOT LINKED\n"); |
| ieee80211_softmac_stop_protocol(priv->ieee80211); |
| } |
| mutex_unlock(&priv->wx_mutex); |
| 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]; |
| } |
| } |
| |
| |
| static void rtl819x_watchdog_wqcallback(struct work_struct *work) |
| { |
| struct delayed_work *dwork = to_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; |
| } |
| /* 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; |
| } |
| /* This is control by OID set in Pomelo */ |
| if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET && |
| (priv->bForcedSilentReset || |
| (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) { |
| 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"); |
| } |
| |
| static void watch_dog_timer_callback(unsigned long data) |
| { |
| struct r8192_priv *priv = ieee80211_priv((struct net_device *)data); |
| |
| schedule_delayed_work(&priv->watch_dog_wq, 0); |
| mod_timer(&priv->watch_dog_timer, |
| jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME)); |
| } |
| |
| static 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; |
| |
| mutex_lock(&priv->wx_mutex); |
| ret = rtl8192_up(dev); |
| mutex_unlock(&priv->wx_mutex); |
| 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); |
| } |
| |
| |
| static int rtl8192_close(struct net_device *dev) |
| { |
| struct r8192_priv *priv = ieee80211_priv(dev); |
| int ret; |
| |
| mutex_lock(&priv->wx_mutex); |
| |
| ret = rtl8192_down(dev); |
| |
| mutex_unlock(&priv->wx_mutex); |
| |
| 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); |
| } |
| |
| static 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; |
| |
| mutex_lock(&priv->wx_mutex); |
| |
| rtl8192_commit(dev); |
| |
| mutex_unlock(&priv->wx_mutex); |
| } |
| |
| 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; |
| |
| mutex_lock(&priv->wx_mutex); |
| |
| ether_addr_copy(dev->dev_addr, addr->sa_data); |
| |
| schedule_work(&priv->reset_wq); |
| mutex_unlock(&priv->wx_mutex); |
| |
| 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; |
| |
| mutex_lock(&priv->wx_mutex); |
| |
| |
| 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! |
| */ |
| 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, |
| /* KeyIndex */ |
| ipw->u.crypt.idx, |
| /* KeyType */ |
| ieee->group_key_type, |
| /* MacAddr */ |
| broadcast_addr, |
| /* DefaultKey */ |
| 0, |
| /* KeyContent */ |
| key); |
| } |
| } |
| } |
| ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, |
| &wrq->u.data); |
| break; |
| |
| default: |
| ret = -EOPNOTSUPP; |
| break; |
| } |
| kfree(ipw); |
| ipw = NULL; |
| out: |
| mutex_unlock(&priv->wx_mutex); |
| 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]; |
| } |
| } |
| |
| /* 0-100 index. */ |
| static long rtl819x_translate_todbm(u8 signal_strength_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; |
| } |
| |
| |
| /* 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; |
| static u32 slide_beacon_adc_pwdb_statistics; |
| static u32 last_beacon_adc_pwdb; |
| |
| struct rtl_80211_hdr_3addr *hdr; |
| u16 sc; |
| unsigned int frag, seq; |
| |
| hdr = (struct rtl_80211_hdr_3addr *)buffer; |
| sc = le16_to_cpu(hdr->seq_ctl); |
| frag = WLAN_GET_SEQ_FRAG(sc); |
| seq = WLAN_GET_SEQ_SEQ(sc); |
| /* 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; |
| |
| |
| /* only rtl8190 supported |
| * rtl8190_process_cck_rxpathsel(priv,pprevious_stats); |
| */ |
| |
| /* 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; |
| |
| 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; |
| /* 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 |
| *--------------------------------------------------------------------------- |
| */ |
| static u8 rtl819x_query_rxpwrpercentage(s8 antpower) |
| { |
| if ((antpower <= -100) || (antpower >= 20)) |
| return 0; |
| else if (antpower >= 0) |
| return 100; |
| else |
| return 100 + antpower; |
| |
| } /* QueryRxPwrPercentage */ |
| |
| static u8 rtl819x_evm_dbtopercentage(s8 value) |
| { |
| s8 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; |
| } |
| |
| /* We want good-looking for signal strength/quality */ |
| 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; |
| struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc; |
| u8 *prxpkt; |
| u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg; |
| s8 rx_pwr[4], rx_pwr_all = 0; |
| s8 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 calculated 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) { |
| 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++) { |
| /* 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; |
| |
| 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 = (s8)(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 calculated by hardware |
| * (for rate adaptive) |
| */ |
| 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) |
| /* both spatial stream make sense */ |
| max_spatial_stream = 2; |
| else |
| /* only spatial stream 1 makes sense */ |
| max_spatial_stream = 1; |
| |
| for (i = 0; i < max_spatial_stream; i++) { |
| tmp_rxevm = pofdm_buf->rxevm_X[i]; |
| rx_evmX = (s8)(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 = |
| evm & 0xff; |
| pstats->RxMIMOSignalQuality[i] = |
| precord_stats->RxMIMOSignalQuality[i] = |
| evm & 0xff; |
| } |
| |
| |
| /* record rx statistics for debug */ |
| rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg; |
| prxsc = (struct 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 |
| */ |
| struct 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 rtl_80211_hdr_3addr *hdr; |
| 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 rtl_80211_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 = (type != IEEE80211_FTYPE_CTL) && |
| (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); |
| /* 0: Total, 1:OK, 2:CRC, 3:ICV */ |
| u32 rcvType = 1; |
| u32 rateIndex; |
| /* 1: short preamble/GI, 0: long preamble/GI */ |
| u32 preamble_guardinterval; |
| |
| |
| 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) |
| { |
| struct 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) && |
| (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 |
| */ |
| |
| stats->bHwError = 1; |
| /* Set 1M rate by default */ |
| stats->rate = MGN_1M; |
| } 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; |
| |
| 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) |
| { |
| struct 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 = 0x100 - 98, |
| .rate = 0, |
| .freq = IEEE80211_24GHZ_BAND, |
| }; |
| u32 rx_pkt_len = 0; |
| struct rtl_80211_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 rtl_80211_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. */ |
| pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats); |
| frame = pstats->virtual_address; |
| frame_len = pstats->packetlength; |
| #ifdef TODO /* about HCT */ |
| if (!Adapter->bInHctTest) |
| CountRxErrStatistics(Adapter, pRfd); |
| #endif |
| #ifdef ENABLE_PS /* 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. |
| */ |
| Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE, |
| (u8 *)(&rtState)); |
| if (rtState == eRfOff) |
| return; |
| #endif |
| priv->stats.rxframgment++; |
| |
| #ifdef TODO |
| RmMonitorSignalStrength(Adapter, pRfd); |
| #endif |
| /* 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 = 0x100 - 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); |
| /* prfd->queue_id = 1; */ |
| |
| /* Process the command packet received. */ |
| |
| rtl819xusb_process_received_packet(dev, &stats); |
| |
| dev_kfree_skb_any(skb); |
| } |
| } |
| |
| static 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_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) |
| 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 = &r8192_wx_handlers_def; |
| |
| dev->type = ARPHRD_ETHER; |
| |
| dev->watchdog_timeo = HZ * 3; |
| |
| 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); |
| 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. |
| */ |
| static 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); |
| 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 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 (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (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. |
| */ |
| |
| ieee->hwsec_active = 1; |
| |
| /* add hwsec_support flag to totol control hw_sec on/off */ |
| if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) { |
| 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 |= BIT(15) | (KeyType << 2); |
| else |
| usConfig |= BIT(15) | (KeyType << 2) | KeyIndex; |
| |
| |
| for (i = 0; i < CAM_CONTENT_COUNT; i++) { |
| TargetCommand = i + CAM_CONTENT_COUNT * EntryNo; |
| TargetCommand |= BIT(31) | BIT(16); |
| |
| 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) { |
| write_nic_dword(dev, WCAMI, |
| *(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); |