| 1 | /****************************************************************************** |
| 2 | * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. |
| 3 | * Linux device driver for RTL8192E |
| 4 | * |
| 5 | * Based on the r8180 driver, which is: |
| 6 | * Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al. |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of version 2 of the GNU General Public License as |
| 9 | * published by the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 14 | * more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along with |
| 17 | * this program; if not, write to the Free Software Foundation, Inc., |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 19 | * |
| 20 | * The full GNU General Public License is included in this distribution in the |
| 21 | * file called LICENSE. |
| 22 | * |
| 23 | * Contact Information: |
| 24 | * Jerry chuang <wlanfae@realtek.com> |
| 25 | */ |
| 26 | |
| 27 | |
| 28 | #include <linux/vmalloc.h> |
| 29 | #include <linux/slab.h> |
| 30 | #include <asm/uaccess.h> |
| 31 | #include "r8192E_hw.h" |
| 32 | #include "r8192E.h" |
| 33 | #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */ |
| 34 | #include "r8180_93cx6.h" /* Card EEPROM */ |
| 35 | #include "r8192E_wx.h" |
| 36 | #include "r819xE_phy.h" //added by WB 4.30.2008 |
| 37 | #include "r819xE_phyreg.h" |
| 38 | #include "r819xE_cmdpkt.h" |
| 39 | #include "r8192E_dm.h" |
| 40 | |
| 41 | #ifdef CONFIG_PM |
| 42 | #include "r8192_pm.h" |
| 43 | #endif |
| 44 | |
| 45 | #ifdef ENABLE_DOT11D |
| 46 | #include "ieee80211/dot11d.h" |
| 47 | #endif |
| 48 | |
| 49 | //set here to open your trace code. //WB |
| 50 | u32 rt_global_debug_component = COMP_ERR ; //always open err flags on |
| 51 | |
| 52 | static DEFINE_PCI_DEVICE_TABLE(rtl8192_pci_id_tbl) = { |
| 53 | /* Realtek */ |
| 54 | { PCI_DEVICE(0x10ec, 0x8192) }, |
| 55 | |
| 56 | /* Corega */ |
| 57 | { PCI_DEVICE(0x07aa, 0x0044) }, |
| 58 | { PCI_DEVICE(0x07aa, 0x0047) }, |
| 59 | {} |
| 60 | }; |
| 61 | |
| 62 | static char ifname[IFNAMSIZ] = "wlan%d"; |
| 63 | static int hwwep = 1; //default use hw. set 0 to use software security |
| 64 | static int channels = 0x3fff; |
| 65 | |
| 66 | MODULE_LICENSE("GPL"); |
| 67 | MODULE_VERSION("V 1.1"); |
| 68 | MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl); |
| 69 | //MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>"); |
| 70 | MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards"); |
| 71 | |
| 72 | |
| 73 | module_param_string(ifname, ifname, sizeof(ifname), S_IRUGO|S_IWUSR); |
| 74 | module_param(hwwep,int, S_IRUGO|S_IWUSR); |
| 75 | module_param(channels,int, S_IRUGO|S_IWUSR); |
| 76 | |
| 77 | MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default"); |
| 78 | MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards"); |
| 79 | MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI"); |
| 80 | |
| 81 | static int __devinit rtl8192_pci_probe(struct pci_dev *pdev, |
| 82 | const struct pci_device_id *id); |
| 83 | static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev); |
| 84 | |
| 85 | static struct pci_driver rtl8192_pci_driver = { |
| 86 | .name = RTL819xE_MODULE_NAME, /* Driver name */ |
| 87 | .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */ |
| 88 | .probe = rtl8192_pci_probe, /* probe fn */ |
| 89 | .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */ |
| 90 | #ifdef CONFIG_PM |
| 91 | .suspend = rtl8192E_suspend, /* PM suspend fn */ |
| 92 | .resume = rtl8192E_resume, /* PM resume fn */ |
| 93 | #else |
| 94 | .suspend = NULL, /* PM suspend fn */ |
| 95 | .resume = NULL, /* PM resume fn */ |
| 96 | #endif |
| 97 | }; |
| 98 | |
| 99 | static void rtl8192_start_beacon(struct net_device *dev); |
| 100 | static void rtl8192_stop_beacon(struct net_device *dev); |
| 101 | static void rtl819x_watchdog_wqcallback(struct work_struct *work); |
| 102 | static void rtl8192_irq_rx_tasklet(unsigned long arg); |
| 103 | static void rtl8192_irq_tx_tasklet(unsigned long arg); |
| 104 | static void rtl8192_prepare_beacon(unsigned long arg); |
| 105 | static irqreturn_t rtl8192_interrupt(int irq, void *netdev); |
| 106 | static void rtl819xE_tx_cmd(struct net_device *dev, struct sk_buff *skb); |
| 107 | static void rtl8192_update_ratr_table(struct net_device* dev); |
| 108 | static void rtl8192_restart(struct work_struct *work); |
| 109 | static void watch_dog_timer_callback(unsigned long data); |
| 110 | static int _rtl8192_up(struct net_device *dev); |
| 111 | static void rtl8192_cancel_deferred_work(struct r8192_priv* priv); |
| 112 | static short rtl8192_tx(struct net_device *dev, struct sk_buff* skb); |
| 113 | |
| 114 | #ifdef ENABLE_DOT11D |
| 115 | |
| 116 | typedef struct _CHANNEL_LIST |
| 117 | { |
| 118 | u8 Channel[32]; |
| 119 | u8 Len; |
| 120 | }CHANNEL_LIST, *PCHANNEL_LIST; |
| 121 | |
| 122 | static const CHANNEL_LIST ChannelPlan[] = { |
| 123 | {{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64,149,153,157,161,165},24}, //FCC |
| 124 | {{1,2,3,4,5,6,7,8,9,10,11},11}, //IC |
| 125 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //ETSI |
| 126 | {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Spain. Change to ETSI. |
| 127 | {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //France. Change to ETSI. |
| 128 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22}, //MKK //MKK |
| 129 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1 |
| 130 | {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Israel. |
| 131 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22}, // For 11a , TELEC |
| 132 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22}, //MIC |
| 133 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14} //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626 |
| 134 | }; |
| 135 | |
| 136 | static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv) |
| 137 | { |
| 138 | int i, max_chan=-1, min_chan=-1; |
| 139 | struct ieee80211_device* ieee = priv->ieee80211; |
| 140 | switch (channel_plan) |
| 141 | { |
| 142 | case COUNTRY_CODE_FCC: |
| 143 | case COUNTRY_CODE_IC: |
| 144 | case COUNTRY_CODE_ETSI: |
| 145 | case COUNTRY_CODE_SPAIN: |
| 146 | case COUNTRY_CODE_FRANCE: |
| 147 | case COUNTRY_CODE_MKK: |
| 148 | case COUNTRY_CODE_MKK1: |
| 149 | case COUNTRY_CODE_ISRAEL: |
| 150 | case COUNTRY_CODE_TELEC: |
| 151 | case COUNTRY_CODE_MIC: |
| 152 | { |
| 153 | Dot11d_Init(ieee); |
| 154 | ieee->bGlobalDomain = false; |
| 155 | //acturally 8225 & 8256 rf chip only support B,G,24N mode |
| 156 | min_chan = 1; |
| 157 | max_chan = 14; |
| 158 | |
| 159 | if (ChannelPlan[channel_plan].Len != 0){ |
| 160 | // Clear old channel map |
| 161 | memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map)); |
| 162 | // Set new channel map |
| 163 | for (i=0;i<ChannelPlan[channel_plan].Len;i++) |
| 164 | { |
| 165 | if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan) |
| 166 | break; |
| 167 | GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1; |
| 168 | } |
| 169 | } |
| 170 | break; |
| 171 | } |
| 172 | case COUNTRY_CODE_GLOBAL_DOMAIN: |
| 173 | { |
| 174 | GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting |
| 175 | Dot11d_Reset(ieee); |
| 176 | ieee->bGlobalDomain = true; |
| 177 | break; |
| 178 | } |
| 179 | default: |
| 180 | break; |
| 181 | } |
| 182 | } |
| 183 | #endif |
| 184 | |
| 185 | static inline bool rx_hal_is_cck_rate(prx_fwinfo_819x_pci pdrvinfo) |
| 186 | { |
| 187 | return (pdrvinfo->RxRate == DESC90_RATE1M || |
| 188 | pdrvinfo->RxRate == DESC90_RATE2M || |
| 189 | pdrvinfo->RxRate == DESC90_RATE5_5M || |
| 190 | pdrvinfo->RxRate == DESC90_RATE11M) && |
| 191 | !pdrvinfo->RxHT; |
| 192 | } |
| 193 | |
| 194 | void CamResetAllEntry(struct net_device *dev) |
| 195 | { |
| 196 | struct r8192_priv* priv = ieee80211_priv(dev); |
| 197 | write_nic_dword(priv, RWCAM, BIT31|BIT30); |
| 198 | } |
| 199 | |
| 200 | void write_cam(struct r8192_priv *priv, u8 addr, u32 data) |
| 201 | { |
| 202 | write_nic_dword(priv, WCAMI, data); |
| 203 | write_nic_dword(priv, RWCAM, BIT31|BIT16|(addr&0xff) ); |
| 204 | } |
| 205 | |
| 206 | u32 read_cam(struct r8192_priv *priv, u8 addr) |
| 207 | { |
| 208 | write_nic_dword(priv, RWCAM, 0x80000000|(addr&0xff) ); |
| 209 | return read_nic_dword(priv, 0xa8); |
| 210 | } |
| 211 | |
| 212 | u8 read_nic_byte(struct r8192_priv *priv, int x) |
| 213 | { |
| 214 | struct net_device *dev = priv->ieee80211->dev; |
| 215 | return 0xff&readb((u8*)dev->mem_start +x); |
| 216 | } |
| 217 | |
| 218 | u32 read_nic_dword(struct r8192_priv *priv, int x) |
| 219 | { |
| 220 | struct net_device *dev = priv->ieee80211->dev; |
| 221 | return readl((u8*)dev->mem_start +x); |
| 222 | } |
| 223 | |
| 224 | u16 read_nic_word(struct r8192_priv *priv, int x) |
| 225 | { |
| 226 | struct net_device *dev = priv->ieee80211->dev; |
| 227 | return readw((u8*)dev->mem_start +x); |
| 228 | } |
| 229 | |
| 230 | void write_nic_byte(struct r8192_priv *priv, int x,u8 y) |
| 231 | { |
| 232 | struct net_device *dev = priv->ieee80211->dev; |
| 233 | writeb(y,(u8*)dev->mem_start +x); |
| 234 | udelay(20); |
| 235 | } |
| 236 | |
| 237 | void write_nic_dword(struct r8192_priv *priv, int x,u32 y) |
| 238 | { |
| 239 | struct net_device *dev = priv->ieee80211->dev; |
| 240 | writel(y,(u8*)dev->mem_start +x); |
| 241 | udelay(20); |
| 242 | } |
| 243 | |
| 244 | void write_nic_word(struct r8192_priv *priv, int x,u16 y) |
| 245 | { |
| 246 | struct net_device *dev = priv->ieee80211->dev; |
| 247 | writew(y,(u8*)dev->mem_start +x); |
| 248 | udelay(20); |
| 249 | } |
| 250 | |
| 251 | u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee) |
| 252 | { |
| 253 | static const u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04}; |
| 254 | static const u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04}; |
| 255 | int wpa_ie_len= ieee->wpa_ie_len; |
| 256 | struct ieee80211_crypt_data* crypt; |
| 257 | int encrypt; |
| 258 | |
| 259 | crypt = ieee->crypt[ieee->tx_keyidx]; |
| 260 | |
| 261 | encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) || |
| 262 | (ieee->host_encrypt && crypt && crypt->ops && |
| 263 | (0 == strcmp(crypt->ops->name,"WEP"))); |
| 264 | |
| 265 | /* simply judge */ |
| 266 | if(encrypt && (wpa_ie_len == 0)) { |
| 267 | // wep encryption, no N mode setting */ |
| 268 | return SEC_ALG_WEP; |
| 269 | } else if((wpa_ie_len != 0)) { |
| 270 | // parse pairwise key type */ |
| 271 | if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) || |
| 272 | ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4)))) |
| 273 | return SEC_ALG_CCMP; |
| 274 | else |
| 275 | return SEC_ALG_TKIP; |
| 276 | } else { |
| 277 | return SEC_ALG_NONE; |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | void |
| 282 | rtl8192e_SetHwReg(struct net_device *dev,u8 variable,u8* val) |
| 283 | { |
| 284 | struct r8192_priv* priv = ieee80211_priv(dev); |
| 285 | |
| 286 | switch(variable) |
| 287 | { |
| 288 | |
| 289 | case HW_VAR_BSSID: |
| 290 | write_nic_dword(priv, BSSIDR, ((u32*)(val))[0]); |
| 291 | write_nic_word(priv, BSSIDR+2, ((u16*)(val+2))[0]); |
| 292 | break; |
| 293 | |
| 294 | case HW_VAR_MEDIA_STATUS: |
| 295 | { |
| 296 | RT_OP_MODE OpMode = *((RT_OP_MODE *)(val)); |
| 297 | u8 btMsr = read_nic_byte(priv, MSR); |
| 298 | |
| 299 | btMsr &= 0xfc; |
| 300 | |
| 301 | switch(OpMode) |
| 302 | { |
| 303 | case RT_OP_MODE_INFRASTRUCTURE: |
| 304 | btMsr |= MSR_INFRA; |
| 305 | break; |
| 306 | |
| 307 | case RT_OP_MODE_IBSS: |
| 308 | btMsr |= MSR_ADHOC; |
| 309 | break; |
| 310 | |
| 311 | case RT_OP_MODE_AP: |
| 312 | btMsr |= MSR_AP; |
| 313 | break; |
| 314 | |
| 315 | default: |
| 316 | btMsr |= MSR_NOLINK; |
| 317 | break; |
| 318 | } |
| 319 | |
| 320 | write_nic_byte(priv, MSR, btMsr); |
| 321 | } |
| 322 | break; |
| 323 | |
| 324 | case HW_VAR_CHECK_BSSID: |
| 325 | { |
| 326 | u32 RegRCR, Type; |
| 327 | |
| 328 | Type = ((u8*)(val))[0]; |
| 329 | RegRCR = read_nic_dword(priv, RCR); |
| 330 | priv->ReceiveConfig = RegRCR; |
| 331 | |
| 332 | if (Type == true) |
| 333 | RegRCR |= (RCR_CBSSID); |
| 334 | else if (Type == false) |
| 335 | RegRCR &= (~RCR_CBSSID); |
| 336 | |
| 337 | write_nic_dword(priv, RCR,RegRCR); |
| 338 | priv->ReceiveConfig = RegRCR; |
| 339 | |
| 340 | } |
| 341 | break; |
| 342 | |
| 343 | case HW_VAR_SLOT_TIME: |
| 344 | { |
| 345 | priv->slot_time = val[0]; |
| 346 | write_nic_byte(priv, SLOT_TIME, val[0]); |
| 347 | |
| 348 | } |
| 349 | break; |
| 350 | |
| 351 | case HW_VAR_ACK_PREAMBLE: |
| 352 | { |
| 353 | u32 regTmp = 0; |
| 354 | priv->short_preamble = (bool)(*(u8*)val ); |
| 355 | regTmp = priv->basic_rate; |
| 356 | if (priv->short_preamble) |
| 357 | regTmp |= BRSR_AckShortPmb; |
| 358 | write_nic_dword(priv, RRSR, regTmp); |
| 359 | } |
| 360 | break; |
| 361 | |
| 362 | case HW_VAR_CPU_RST: |
| 363 | write_nic_dword(priv, CPU_GEN, ((u32*)(val))[0]); |
| 364 | break; |
| 365 | |
| 366 | default: |
| 367 | break; |
| 368 | } |
| 369 | |
| 370 | } |
| 371 | |
| 372 | static struct proc_dir_entry *rtl8192_proc = NULL; |
| 373 | |
| 374 | static int proc_get_stats_ap(char *page, char **start, |
| 375 | off_t offset, int count, |
| 376 | int *eof, void *data) |
| 377 | { |
| 378 | struct net_device *dev = data; |
| 379 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 380 | struct ieee80211_device *ieee = priv->ieee80211; |
| 381 | struct ieee80211_network *target; |
| 382 | int len = 0; |
| 383 | |
| 384 | list_for_each_entry(target, &ieee->network_list, list) { |
| 385 | |
| 386 | len += snprintf(page + len, count - len, |
| 387 | "%s ", target->ssid); |
| 388 | |
| 389 | if(target->wpa_ie_len>0 || target->rsn_ie_len>0){ |
| 390 | len += snprintf(page + len, count - len, |
| 391 | "WPA\n"); |
| 392 | } |
| 393 | else{ |
| 394 | len += snprintf(page + len, count - len, |
| 395 | "non_WPA\n"); |
| 396 | } |
| 397 | |
| 398 | } |
| 399 | |
| 400 | *eof = 1; |
| 401 | return len; |
| 402 | } |
| 403 | |
| 404 | static int proc_get_registers(char *page, char **start, |
| 405 | off_t offset, int count, |
| 406 | int *eof, void *data) |
| 407 | { |
| 408 | struct net_device *dev = data; |
| 409 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 410 | int len = 0; |
| 411 | int i,n; |
| 412 | int max=0xff; |
| 413 | |
| 414 | /* This dump the current register page */ |
| 415 | len += snprintf(page + len, count - len, |
| 416 | "\n####################page 0##################\n "); |
| 417 | |
| 418 | for(n=0;n<=max;) |
| 419 | { |
| 420 | len += snprintf(page + len, count - len, |
| 421 | "\nD: %2x > ",n); |
| 422 | |
| 423 | for(i=0;i<16 && n<=max;i++,n++) |
| 424 | len += snprintf(page + len, count - len, |
| 425 | "%2x ",read_nic_byte(priv,n)); |
| 426 | } |
| 427 | len += snprintf(page + len, count - len,"\n"); |
| 428 | len += snprintf(page + len, count - len, |
| 429 | "\n####################page 1##################\n "); |
| 430 | for(n=0;n<=max;) |
| 431 | { |
| 432 | len += snprintf(page + len, count - len, |
| 433 | "\nD: %2x > ",n); |
| 434 | |
| 435 | for(i=0;i<16 && n<=max;i++,n++) |
| 436 | len += snprintf(page + len, count - len, |
| 437 | "%2x ",read_nic_byte(priv,0x100|n)); |
| 438 | } |
| 439 | |
| 440 | len += snprintf(page + len, count - len, |
| 441 | "\n####################page 3##################\n "); |
| 442 | for(n=0;n<=max;) |
| 443 | { |
| 444 | len += snprintf(page + len, count - len, |
| 445 | "\nD: %2x > ",n); |
| 446 | |
| 447 | for(i=0;i<16 && n<=max;i++,n++) |
| 448 | len += snprintf(page + len, count - len, |
| 449 | "%2x ",read_nic_byte(priv,0x300|n)); |
| 450 | } |
| 451 | |
| 452 | *eof = 1; |
| 453 | return len; |
| 454 | |
| 455 | } |
| 456 | |
| 457 | static int proc_get_stats_tx(char *page, char **start, |
| 458 | off_t offset, int count, |
| 459 | int *eof, void *data) |
| 460 | { |
| 461 | struct net_device *dev = data; |
| 462 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 463 | |
| 464 | int len = 0; |
| 465 | |
| 466 | len += snprintf(page + len, count - len, |
| 467 | "TX VI priority ok int: %lu\n" |
| 468 | "TX VO priority ok int: %lu\n" |
| 469 | "TX BE priority ok int: %lu\n" |
| 470 | "TX BK priority ok int: %lu\n" |
| 471 | "TX MANAGE priority ok int: %lu\n" |
| 472 | "TX BEACON priority ok int: %lu\n" |
| 473 | "TX BEACON priority error int: %lu\n" |
| 474 | "TX CMDPKT priority ok int: %lu\n" |
| 475 | "TX queue stopped?: %d\n" |
| 476 | "TX fifo overflow: %lu\n" |
| 477 | "TX total data packets %lu\n" |
| 478 | "TX total data bytes :%lu\n", |
| 479 | priv->stats.txviokint, |
| 480 | priv->stats.txvookint, |
| 481 | priv->stats.txbeokint, |
| 482 | priv->stats.txbkokint, |
| 483 | priv->stats.txmanageokint, |
| 484 | priv->stats.txbeaconokint, |
| 485 | priv->stats.txbeaconerr, |
| 486 | priv->stats.txcmdpktokint, |
| 487 | netif_queue_stopped(dev), |
| 488 | priv->stats.txoverflow, |
| 489 | priv->ieee80211->stats.tx_packets, |
| 490 | priv->ieee80211->stats.tx_bytes); |
| 491 | |
| 492 | *eof = 1; |
| 493 | return len; |
| 494 | } |
| 495 | |
| 496 | |
| 497 | |
| 498 | static int proc_get_stats_rx(char *page, char **start, |
| 499 | off_t offset, int count, |
| 500 | int *eof, void *data) |
| 501 | { |
| 502 | struct net_device *dev = data; |
| 503 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 504 | |
| 505 | int len = 0; |
| 506 | |
| 507 | len += snprintf(page + len, count - len, |
| 508 | "RX packets: %lu\n" |
| 509 | "RX desc err: %lu\n" |
| 510 | "RX rx overflow error: %lu\n", |
| 511 | priv->stats.rxint, |
| 512 | priv->stats.rxrdu, |
| 513 | priv->stats.rxoverflow); |
| 514 | |
| 515 | *eof = 1; |
| 516 | return len; |
| 517 | } |
| 518 | |
| 519 | static void rtl8192_proc_module_init(void) |
| 520 | { |
| 521 | RT_TRACE(COMP_INIT, "Initializing proc filesystem\n"); |
| 522 | rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net); |
| 523 | } |
| 524 | |
| 525 | |
| 526 | static void rtl8192_proc_module_remove(void) |
| 527 | { |
| 528 | remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net); |
| 529 | } |
| 530 | |
| 531 | |
| 532 | static void rtl8192_proc_remove_one(struct net_device *dev) |
| 533 | { |
| 534 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 535 | |
| 536 | printk("dev name=======> %s\n",dev->name); |
| 537 | |
| 538 | if (priv->dir_dev) { |
| 539 | remove_proc_entry("stats-tx", priv->dir_dev); |
| 540 | remove_proc_entry("stats-rx", priv->dir_dev); |
| 541 | remove_proc_entry("stats-ap", priv->dir_dev); |
| 542 | remove_proc_entry("registers", priv->dir_dev); |
| 543 | remove_proc_entry("wlan0", rtl8192_proc); |
| 544 | priv->dir_dev = NULL; |
| 545 | } |
| 546 | } |
| 547 | |
| 548 | |
| 549 | static void rtl8192_proc_init_one(struct net_device *dev) |
| 550 | { |
| 551 | struct proc_dir_entry *e; |
| 552 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 553 | priv->dir_dev = create_proc_entry(dev->name, |
| 554 | S_IFDIR | S_IRUGO | S_IXUGO, |
| 555 | rtl8192_proc); |
| 556 | if (!priv->dir_dev) { |
| 557 | RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n", |
| 558 | dev->name); |
| 559 | return; |
| 560 | } |
| 561 | e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO, |
| 562 | priv->dir_dev, proc_get_stats_rx, dev); |
| 563 | |
| 564 | if (!e) { |
| 565 | RT_TRACE(COMP_ERR,"Unable to initialize " |
| 566 | "/proc/net/rtl8192/%s/stats-rx\n", |
| 567 | dev->name); |
| 568 | } |
| 569 | |
| 570 | |
| 571 | e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO, |
| 572 | priv->dir_dev, proc_get_stats_tx, dev); |
| 573 | |
| 574 | if (!e) { |
| 575 | RT_TRACE(COMP_ERR, "Unable to initialize " |
| 576 | "/proc/net/rtl8192/%s/stats-tx\n", |
| 577 | dev->name); |
| 578 | } |
| 579 | |
| 580 | e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO, |
| 581 | priv->dir_dev, proc_get_stats_ap, dev); |
| 582 | |
| 583 | if (!e) { |
| 584 | RT_TRACE(COMP_ERR, "Unable to initialize " |
| 585 | "/proc/net/rtl8192/%s/stats-ap\n", |
| 586 | dev->name); |
| 587 | } |
| 588 | |
| 589 | e = create_proc_read_entry("registers", S_IFREG | S_IRUGO, |
| 590 | priv->dir_dev, proc_get_registers, dev); |
| 591 | if (!e) { |
| 592 | RT_TRACE(COMP_ERR, "Unable to initialize " |
| 593 | "/proc/net/rtl8192/%s/registers\n", |
| 594 | dev->name); |
| 595 | } |
| 596 | } |
| 597 | |
| 598 | static short check_nic_enough_desc(struct net_device *dev, int prio) |
| 599 | { |
| 600 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 601 | struct rtl8192_tx_ring *ring = &priv->tx_ring[prio]; |
| 602 | |
| 603 | /* for now we reserve two free descriptor as a safety boundary |
| 604 | * between the tail and the head |
| 605 | */ |
| 606 | return (ring->entries - skb_queue_len(&ring->queue) >= 2); |
| 607 | } |
| 608 | |
| 609 | static void tx_timeout(struct net_device *dev) |
| 610 | { |
| 611 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 612 | |
| 613 | schedule_work(&priv->reset_wq); |
| 614 | printk("TXTIMEOUT"); |
| 615 | } |
| 616 | |
| 617 | static void rtl8192_irq_enable(struct net_device *dev) |
| 618 | { |
| 619 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 620 | u32 mask; |
| 621 | |
| 622 | mask = IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK | |
| 623 | IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK | |
| 624 | IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW | |
| 625 | IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER; |
| 626 | |
| 627 | write_nic_dword(priv, INTA_MASK, mask); |
| 628 | } |
| 629 | |
| 630 | static void rtl8192_irq_disable(struct net_device *dev) |
| 631 | { |
| 632 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 633 | |
| 634 | write_nic_dword(priv, INTA_MASK, 0); |
| 635 | synchronize_irq(dev->irq); |
| 636 | } |
| 637 | |
| 638 | static void rtl8192_update_msr(struct net_device *dev) |
| 639 | { |
| 640 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 641 | u8 msr; |
| 642 | |
| 643 | msr = read_nic_byte(priv, MSR); |
| 644 | msr &= ~ MSR_LINK_MASK; |
| 645 | |
| 646 | /* do not change in link_state != WLAN_LINK_ASSOCIATED. |
| 647 | * msr must be updated if the state is ASSOCIATING. |
| 648 | * this is intentional and make sense for ad-hoc and |
| 649 | * master (see the create BSS/IBSS func) |
| 650 | */ |
| 651 | if (priv->ieee80211->state == IEEE80211_LINKED){ |
| 652 | |
| 653 | if (priv->ieee80211->iw_mode == IW_MODE_INFRA) |
| 654 | msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT); |
| 655 | else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) |
| 656 | msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT); |
| 657 | else if (priv->ieee80211->iw_mode == IW_MODE_MASTER) |
| 658 | msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT); |
| 659 | |
| 660 | }else |
| 661 | msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT); |
| 662 | |
| 663 | write_nic_byte(priv, MSR, msr); |
| 664 | } |
| 665 | |
| 666 | static void rtl8192_set_chan(struct net_device *dev,short ch) |
| 667 | { |
| 668 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 669 | |
| 670 | priv->chan = ch; |
| 671 | |
| 672 | /* need to implement rf set channel here WB */ |
| 673 | |
| 674 | if (priv->rf_set_chan) |
| 675 | priv->rf_set_chan(dev, priv->chan); |
| 676 | } |
| 677 | |
| 678 | static void rtl8192_rx_enable(struct net_device *dev) |
| 679 | { |
| 680 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 681 | |
| 682 | write_nic_dword(priv, RDQDA,priv->rx_ring_dma); |
| 683 | } |
| 684 | |
| 685 | /* the TX_DESC_BASE setting is according to the following queue index |
| 686 | * BK_QUEUE ===> 0 |
| 687 | * BE_QUEUE ===> 1 |
| 688 | * VI_QUEUE ===> 2 |
| 689 | * VO_QUEUE ===> 3 |
| 690 | * HCCA_QUEUE ===> 4 |
| 691 | * TXCMD_QUEUE ===> 5 |
| 692 | * MGNT_QUEUE ===> 6 |
| 693 | * HIGH_QUEUE ===> 7 |
| 694 | * BEACON_QUEUE ===> 8 |
| 695 | * */ |
| 696 | static const u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA}; |
| 697 | static void rtl8192_tx_enable(struct net_device *dev) |
| 698 | { |
| 699 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 700 | u32 i; |
| 701 | |
| 702 | for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) |
| 703 | write_nic_dword(priv, TX_DESC_BASE[i], priv->tx_ring[i].dma); |
| 704 | |
| 705 | ieee80211_reset_queue(priv->ieee80211); |
| 706 | } |
| 707 | |
| 708 | |
| 709 | static void rtl8192_free_rx_ring(struct net_device *dev) |
| 710 | { |
| 711 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 712 | int i; |
| 713 | |
| 714 | for (i = 0; i < priv->rxringcount; i++) { |
| 715 | struct sk_buff *skb = priv->rx_buf[i]; |
| 716 | if (!skb) |
| 717 | continue; |
| 718 | |
| 719 | pci_unmap_single(priv->pdev, |
| 720 | *((dma_addr_t *)skb->cb), |
| 721 | priv->rxbuffersize, PCI_DMA_FROMDEVICE); |
| 722 | kfree_skb(skb); |
| 723 | } |
| 724 | |
| 725 | pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount, |
| 726 | priv->rx_ring, priv->rx_ring_dma); |
| 727 | priv->rx_ring = NULL; |
| 728 | } |
| 729 | |
| 730 | static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio) |
| 731 | { |
| 732 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 733 | struct rtl8192_tx_ring *ring = &priv->tx_ring[prio]; |
| 734 | |
| 735 | while (skb_queue_len(&ring->queue)) { |
| 736 | tx_desc_819x_pci *entry = &ring->desc[ring->idx]; |
| 737 | struct sk_buff *skb = __skb_dequeue(&ring->queue); |
| 738 | |
| 739 | pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr), |
| 740 | skb->len, PCI_DMA_TODEVICE); |
| 741 | kfree_skb(skb); |
| 742 | ring->idx = (ring->idx + 1) % ring->entries; |
| 743 | } |
| 744 | |
| 745 | pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries, |
| 746 | ring->desc, ring->dma); |
| 747 | ring->desc = NULL; |
| 748 | } |
| 749 | |
| 750 | void PHY_SetRtl8192eRfOff(struct net_device* dev) |
| 751 | { |
| 752 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 753 | |
| 754 | //disable RF-Chip A/B |
| 755 | rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0); |
| 756 | //analog to digital off, for power save |
| 757 | rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x300, 0x0); |
| 758 | //digital to analog off, for power save |
| 759 | rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18, 0x0); |
| 760 | //rx antenna off |
| 761 | rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0xf, 0x0); |
| 762 | //rx antenna off |
| 763 | rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0xf, 0x0); |
| 764 | //analog to digital part2 off, for power save |
| 765 | rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x0); |
| 766 | rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x4, 0x0); |
| 767 | // Analog parameter!!Change bias and Lbus control. |
| 768 | write_nic_byte(priv, ANAPAR_FOR_8192PciE, 0x07); |
| 769 | |
| 770 | } |
| 771 | |
| 772 | static void rtl8192_halt_adapter(struct net_device *dev, bool reset) |
| 773 | { |
| 774 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 775 | int i; |
| 776 | u8 OpMode; |
| 777 | u32 ulRegRead; |
| 778 | |
| 779 | OpMode = RT_OP_MODE_NO_LINK; |
| 780 | priv->ieee80211->SetHwRegHandler(dev, HW_VAR_MEDIA_STATUS, &OpMode); |
| 781 | |
| 782 | if (!priv->ieee80211->bSupportRemoteWakeUp) { |
| 783 | /* |
| 784 | * disable tx/rx. In 8185 we write 0x10 (Reset bit), |
| 785 | * but here we make reference to WMAC and wirte 0x0 |
| 786 | */ |
| 787 | write_nic_byte(priv, CMDR, 0); |
| 788 | } |
| 789 | |
| 790 | mdelay(20); |
| 791 | |
| 792 | if (!reset) { |
| 793 | mdelay(150); |
| 794 | |
| 795 | priv->bHwRfOffAction = 2; |
| 796 | |
| 797 | /* |
| 798 | * Call MgntActSet_RF_State instead to |
| 799 | * prevent RF config race condition. |
| 800 | */ |
| 801 | if (!priv->ieee80211->bSupportRemoteWakeUp) { |
| 802 | PHY_SetRtl8192eRfOff(dev); |
| 803 | ulRegRead = read_nic_dword(priv, CPU_GEN); |
| 804 | ulRegRead |= CPU_GEN_SYSTEM_RESET; |
| 805 | write_nic_dword(priv,CPU_GEN, ulRegRead); |
| 806 | } else { |
| 807 | /* for WOL */ |
| 808 | write_nic_dword(priv, WFCRC0, 0xffffffff); |
| 809 | write_nic_dword(priv, WFCRC1, 0xffffffff); |
| 810 | write_nic_dword(priv, WFCRC2, 0xffffffff); |
| 811 | |
| 812 | /* Write PMR register */ |
| 813 | write_nic_byte(priv, PMR, 0x5); |
| 814 | /* Disable tx, enanble rx */ |
| 815 | write_nic_byte(priv, MacBlkCtrl, 0xa); |
| 816 | } |
| 817 | } |
| 818 | |
| 819 | for(i = 0; i < MAX_QUEUE_SIZE; i++) { |
| 820 | skb_queue_purge(&priv->ieee80211->skb_waitQ [i]); |
| 821 | } |
| 822 | for(i = 0; i < MAX_QUEUE_SIZE; i++) { |
| 823 | skb_queue_purge(&priv->ieee80211->skb_aggQ [i]); |
| 824 | } |
| 825 | |
| 826 | skb_queue_purge(&priv->skb_queue); |
| 827 | } |
| 828 | |
| 829 | static void rtl8192_data_hard_stop(struct net_device *dev) |
| 830 | { |
| 831 | } |
| 832 | |
| 833 | static void rtl8192_data_hard_resume(struct net_device *dev) |
| 834 | { |
| 835 | } |
| 836 | |
| 837 | /* |
| 838 | * this function TX data frames when the ieee80211 stack requires this. |
| 839 | * It checks also if we need to stop the ieee tx queue, eventually do it |
| 840 | */ |
| 841 | static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate) |
| 842 | { |
| 843 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 844 | int ret; |
| 845 | cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); |
| 846 | u8 queue_index = tcb_desc->queue_index; |
| 847 | |
| 848 | /* shall not be referred by command packet */ |
| 849 | BUG_ON(queue_index == TXCMD_QUEUE); |
| 850 | |
| 851 | if (priv->bHwRadioOff || (!priv->up)) |
| 852 | { |
| 853 | kfree_skb(skb); |
| 854 | return; |
| 855 | } |
| 856 | |
| 857 | memcpy(skb->cb, &dev, sizeof(dev)); |
| 858 | |
| 859 | skb_push(skb, priv->ieee80211->tx_headroom); |
| 860 | ret = rtl8192_tx(dev, skb); |
| 861 | if (ret != 0) { |
| 862 | kfree_skb(skb); |
| 863 | } |
| 864 | |
| 865 | if (queue_index != MGNT_QUEUE) { |
| 866 | priv->ieee80211->stats.tx_bytes += (skb->len - priv->ieee80211->tx_headroom); |
| 867 | priv->ieee80211->stats.tx_packets++; |
| 868 | } |
| 869 | } |
| 870 | |
| 871 | /* |
| 872 | * This is a rough attempt to TX a frame |
| 873 | * This is called by the ieee 80211 stack to TX management frames. |
| 874 | * If the ring is full packet are dropped (for data frame the queue |
| 875 | * is stopped before this can happen). |
| 876 | */ |
| 877 | static int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev) |
| 878 | { |
| 879 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 880 | int ret; |
| 881 | cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); |
| 882 | u8 queue_index = tcb_desc->queue_index; |
| 883 | |
| 884 | if (queue_index != TXCMD_QUEUE) { |
| 885 | if (priv->bHwRadioOff || (!priv->up)) |
| 886 | { |
| 887 | kfree_skb(skb); |
| 888 | return 0; |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | memcpy(skb->cb, &dev, sizeof(dev)); |
| 893 | if (queue_index == TXCMD_QUEUE) { |
| 894 | rtl819xE_tx_cmd(dev, skb); |
| 895 | ret = 0; |
| 896 | return ret; |
| 897 | } else { |
| 898 | tcb_desc->RATRIndex = 7; |
| 899 | tcb_desc->bTxDisableRateFallBack = 1; |
| 900 | tcb_desc->bTxUseDriverAssingedRate = 1; |
| 901 | tcb_desc->bTxEnableFwCalcDur = 1; |
| 902 | skb_push(skb, priv->ieee80211->tx_headroom); |
| 903 | ret = rtl8192_tx(dev, skb); |
| 904 | if (ret != 0) { |
| 905 | kfree_skb(skb); |
| 906 | } |
| 907 | } |
| 908 | |
| 909 | return ret; |
| 910 | } |
| 911 | |
| 912 | |
| 913 | static void rtl8192_tx_isr(struct net_device *dev, int prio) |
| 914 | { |
| 915 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 916 | struct rtl8192_tx_ring *ring = &priv->tx_ring[prio]; |
| 917 | |
| 918 | while (skb_queue_len(&ring->queue)) { |
| 919 | tx_desc_819x_pci *entry = &ring->desc[ring->idx]; |
| 920 | struct sk_buff *skb; |
| 921 | |
| 922 | /* |
| 923 | * beacon packet will only use the first descriptor defaultly, |
| 924 | * and the OWN may not be cleared by the hardware |
| 925 | */ |
| 926 | if (prio != BEACON_QUEUE) { |
| 927 | if (entry->OWN) |
| 928 | return; |
| 929 | ring->idx = (ring->idx + 1) % ring->entries; |
| 930 | } |
| 931 | |
| 932 | skb = __skb_dequeue(&ring->queue); |
| 933 | pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr), |
| 934 | skb->len, PCI_DMA_TODEVICE); |
| 935 | |
| 936 | kfree_skb(skb); |
| 937 | } |
| 938 | |
| 939 | if (prio != BEACON_QUEUE) { |
| 940 | /* try to deal with the pending packets */ |
| 941 | tasklet_schedule(&priv->irq_tx_tasklet); |
| 942 | } |
| 943 | } |
| 944 | |
| 945 | static void rtl8192_stop_beacon(struct net_device *dev) |
| 946 | { |
| 947 | } |
| 948 | |
| 949 | static void rtl8192_config_rate(struct net_device* dev, u16* rate_config) |
| 950 | { |
| 951 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 952 | struct ieee80211_network *net; |
| 953 | u8 i=0, basic_rate = 0; |
| 954 | net = & priv->ieee80211->current_network; |
| 955 | |
| 956 | for (i=0; i<net->rates_len; i++) |
| 957 | { |
| 958 | basic_rate = net->rates[i]&0x7f; |
| 959 | switch(basic_rate) |
| 960 | { |
| 961 | case MGN_1M: *rate_config |= RRSR_1M; break; |
| 962 | case MGN_2M: *rate_config |= RRSR_2M; break; |
| 963 | case MGN_5_5M: *rate_config |= RRSR_5_5M; break; |
| 964 | case MGN_11M: *rate_config |= RRSR_11M; break; |
| 965 | case MGN_6M: *rate_config |= RRSR_6M; break; |
| 966 | case MGN_9M: *rate_config |= RRSR_9M; break; |
| 967 | case MGN_12M: *rate_config |= RRSR_12M; break; |
| 968 | case MGN_18M: *rate_config |= RRSR_18M; break; |
| 969 | case MGN_24M: *rate_config |= RRSR_24M; break; |
| 970 | case MGN_36M: *rate_config |= RRSR_36M; break; |
| 971 | case MGN_48M: *rate_config |= RRSR_48M; break; |
| 972 | case MGN_54M: *rate_config |= RRSR_54M; break; |
| 973 | } |
| 974 | } |
| 975 | for (i=0; i<net->rates_ex_len; i++) |
| 976 | { |
| 977 | basic_rate = net->rates_ex[i]&0x7f; |
| 978 | switch(basic_rate) |
| 979 | { |
| 980 | case MGN_1M: *rate_config |= RRSR_1M; break; |
| 981 | case MGN_2M: *rate_config |= RRSR_2M; break; |
| 982 | case MGN_5_5M: *rate_config |= RRSR_5_5M; break; |
| 983 | case MGN_11M: *rate_config |= RRSR_11M; break; |
| 984 | case MGN_6M: *rate_config |= RRSR_6M; break; |
| 985 | case MGN_9M: *rate_config |= RRSR_9M; break; |
| 986 | case MGN_12M: *rate_config |= RRSR_12M; break; |
| 987 | case MGN_18M: *rate_config |= RRSR_18M; break; |
| 988 | case MGN_24M: *rate_config |= RRSR_24M; break; |
| 989 | case MGN_36M: *rate_config |= RRSR_36M; break; |
| 990 | case MGN_48M: *rate_config |= RRSR_48M; break; |
| 991 | case MGN_54M: *rate_config |= RRSR_54M; break; |
| 992 | } |
| 993 | } |
| 994 | } |
| 995 | |
| 996 | |
| 997 | #define SHORT_SLOT_TIME 9 |
| 998 | #define NON_SHORT_SLOT_TIME 20 |
| 999 | |
| 1000 | static void rtl8192_update_cap(struct net_device* dev, u16 cap) |
| 1001 | { |
| 1002 | u32 tmp = 0; |
| 1003 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1004 | struct ieee80211_network *net = &priv->ieee80211->current_network; |
| 1005 | priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE; |
| 1006 | tmp = priv->basic_rate; |
| 1007 | if (priv->short_preamble) |
| 1008 | tmp |= BRSR_AckShortPmb; |
| 1009 | write_nic_dword(priv, RRSR, tmp); |
| 1010 | |
| 1011 | if (net->mode & (IEEE_G|IEEE_N_24G)) |
| 1012 | { |
| 1013 | u8 slot_time = 0; |
| 1014 | if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime)) |
| 1015 | {//short slot time |
| 1016 | slot_time = SHORT_SLOT_TIME; |
| 1017 | } |
| 1018 | else //long slot time |
| 1019 | slot_time = NON_SHORT_SLOT_TIME; |
| 1020 | priv->slot_time = slot_time; |
| 1021 | write_nic_byte(priv, SLOT_TIME, slot_time); |
| 1022 | } |
| 1023 | |
| 1024 | } |
| 1025 | |
| 1026 | static void rtl8192_net_update(struct net_device *dev) |
| 1027 | { |
| 1028 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1029 | struct ieee80211_network *net; |
| 1030 | u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf; |
| 1031 | u16 rate_config = 0; |
| 1032 | net = &priv->ieee80211->current_network; |
| 1033 | |
| 1034 | /* update Basic rate: RR, BRSR */ |
| 1035 | rtl8192_config_rate(dev, &rate_config); |
| 1036 | |
| 1037 | /* |
| 1038 | * Select RRSR (in Legacy-OFDM and CCK) |
| 1039 | * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M, |
| 1040 | * 2M, and 1M from the Basic rate. |
| 1041 | * We do not use other rates. |
| 1042 | */ |
| 1043 | priv->basic_rate = rate_config &= 0x15f; |
| 1044 | |
| 1045 | /* BSSID */ |
| 1046 | write_nic_dword(priv, BSSIDR, ((u32 *)net->bssid)[0]); |
| 1047 | write_nic_word(priv, BSSIDR+4, ((u16 *)net->bssid)[2]); |
| 1048 | |
| 1049 | if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) |
| 1050 | { |
| 1051 | write_nic_word(priv, ATIMWND, 2); |
| 1052 | write_nic_word(priv, BCN_DMATIME, 256); |
| 1053 | write_nic_word(priv, BCN_INTERVAL, net->beacon_interval); |
| 1054 | /* |
| 1055 | * BIT15 of BCN_DRV_EARLY_INT will indicate |
| 1056 | * whether software beacon or hw beacon is applied. |
| 1057 | */ |
| 1058 | write_nic_word(priv, BCN_DRV_EARLY_INT, 10); |
| 1059 | write_nic_byte(priv, BCN_ERR_THRESH, 100); |
| 1060 | |
| 1061 | BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT); |
| 1062 | /* TODO: BcnIFS may required to be changed on ASIC */ |
| 1063 | BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS; |
| 1064 | write_nic_word(priv, BCN_TCFG, BcnTimeCfg); |
| 1065 | } |
| 1066 | } |
| 1067 | |
| 1068 | static void rtl819xE_tx_cmd(struct net_device *dev, struct sk_buff *skb) |
| 1069 | { |
| 1070 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1071 | struct rtl8192_tx_ring *ring; |
| 1072 | tx_desc_819x_pci *entry; |
| 1073 | unsigned int idx; |
| 1074 | dma_addr_t mapping; |
| 1075 | cb_desc *tcb_desc; |
| 1076 | unsigned long flags; |
| 1077 | |
| 1078 | ring = &priv->tx_ring[TXCMD_QUEUE]; |
| 1079 | mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); |
| 1080 | |
| 1081 | spin_lock_irqsave(&priv->irq_th_lock,flags); |
| 1082 | idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries; |
| 1083 | entry = &ring->desc[idx]; |
| 1084 | |
| 1085 | tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); |
| 1086 | memset(entry,0,12); |
| 1087 | entry->LINIP = tcb_desc->bLastIniPkt; |
| 1088 | entry->FirstSeg = 1;//first segment |
| 1089 | entry->LastSeg = 1; //last segment |
| 1090 | if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) { |
| 1091 | entry->CmdInit = DESC_PACKET_TYPE_INIT; |
| 1092 | } else { |
| 1093 | entry->CmdInit = DESC_PACKET_TYPE_NORMAL; |
| 1094 | entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8; |
| 1095 | entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset); |
| 1096 | entry->QueueSelect = QSLT_CMD; |
| 1097 | entry->TxFWInfoSize = 0x08; |
| 1098 | entry->RATid = (u8)DESC_PACKET_TYPE_INIT; |
| 1099 | } |
| 1100 | entry->TxBufferSize = skb->len; |
| 1101 | entry->TxBuffAddr = cpu_to_le32(mapping); |
| 1102 | entry->OWN = 1; |
| 1103 | |
| 1104 | __skb_queue_tail(&ring->queue, skb); |
| 1105 | spin_unlock_irqrestore(&priv->irq_th_lock,flags); |
| 1106 | |
| 1107 | write_nic_byte(priv, TPPoll, TPPoll_CQ); |
| 1108 | |
| 1109 | return; |
| 1110 | } |
| 1111 | |
| 1112 | /* |
| 1113 | * Mapping Software/Hardware descriptor queue id to "Queue Select Field" |
| 1114 | * in TxFwInfo data structure |
| 1115 | */ |
| 1116 | static u8 MapHwQueueToFirmwareQueue(u8 QueueID) |
| 1117 | { |
| 1118 | u8 QueueSelect = 0; |
| 1119 | |
| 1120 | switch (QueueID) { |
| 1121 | case BE_QUEUE: |
| 1122 | QueueSelect = QSLT_BE; |
| 1123 | break; |
| 1124 | |
| 1125 | case BK_QUEUE: |
| 1126 | QueueSelect = QSLT_BK; |
| 1127 | break; |
| 1128 | |
| 1129 | case VO_QUEUE: |
| 1130 | QueueSelect = QSLT_VO; |
| 1131 | break; |
| 1132 | |
| 1133 | case VI_QUEUE: |
| 1134 | QueueSelect = QSLT_VI; |
| 1135 | break; |
| 1136 | |
| 1137 | case MGNT_QUEUE: |
| 1138 | QueueSelect = QSLT_MGNT; |
| 1139 | break; |
| 1140 | |
| 1141 | case BEACON_QUEUE: |
| 1142 | QueueSelect = QSLT_BEACON; |
| 1143 | break; |
| 1144 | |
| 1145 | case TXCMD_QUEUE: |
| 1146 | QueueSelect = QSLT_CMD; |
| 1147 | break; |
| 1148 | |
| 1149 | case HIGH_QUEUE: |
| 1150 | default: |
| 1151 | RT_TRACE(COMP_ERR, "Impossible Queue Selection: %d\n", QueueID); |
| 1152 | break; |
| 1153 | } |
| 1154 | return QueueSelect; |
| 1155 | } |
| 1156 | |
| 1157 | static u8 MRateToHwRate8190Pci(u8 rate) |
| 1158 | { |
| 1159 | u8 ret = DESC90_RATE1M; |
| 1160 | |
| 1161 | switch(rate) { |
| 1162 | case MGN_1M: ret = DESC90_RATE1M; break; |
| 1163 | case MGN_2M: ret = DESC90_RATE2M; break; |
| 1164 | case MGN_5_5M: ret = DESC90_RATE5_5M; break; |
| 1165 | case MGN_11M: ret = DESC90_RATE11M; break; |
| 1166 | case MGN_6M: ret = DESC90_RATE6M; break; |
| 1167 | case MGN_9M: ret = DESC90_RATE9M; break; |
| 1168 | case MGN_12M: ret = DESC90_RATE12M; break; |
| 1169 | case MGN_18M: ret = DESC90_RATE18M; break; |
| 1170 | case MGN_24M: ret = DESC90_RATE24M; break; |
| 1171 | case MGN_36M: ret = DESC90_RATE36M; break; |
| 1172 | case MGN_48M: ret = DESC90_RATE48M; break; |
| 1173 | case MGN_54M: ret = DESC90_RATE54M; break; |
| 1174 | |
| 1175 | // HT rate since here |
| 1176 | case MGN_MCS0: ret = DESC90_RATEMCS0; break; |
| 1177 | case MGN_MCS1: ret = DESC90_RATEMCS1; break; |
| 1178 | case MGN_MCS2: ret = DESC90_RATEMCS2; break; |
| 1179 | case MGN_MCS3: ret = DESC90_RATEMCS3; break; |
| 1180 | case MGN_MCS4: ret = DESC90_RATEMCS4; break; |
| 1181 | case MGN_MCS5: ret = DESC90_RATEMCS5; break; |
| 1182 | case MGN_MCS6: ret = DESC90_RATEMCS6; break; |
| 1183 | case MGN_MCS7: ret = DESC90_RATEMCS7; break; |
| 1184 | case MGN_MCS8: ret = DESC90_RATEMCS8; break; |
| 1185 | case MGN_MCS9: ret = DESC90_RATEMCS9; break; |
| 1186 | case MGN_MCS10: ret = DESC90_RATEMCS10; break; |
| 1187 | case MGN_MCS11: ret = DESC90_RATEMCS11; break; |
| 1188 | case MGN_MCS12: ret = DESC90_RATEMCS12; break; |
| 1189 | case MGN_MCS13: ret = DESC90_RATEMCS13; break; |
| 1190 | case MGN_MCS14: ret = DESC90_RATEMCS14; break; |
| 1191 | case MGN_MCS15: ret = DESC90_RATEMCS15; break; |
| 1192 | case (0x80|0x20): ret = DESC90_RATEMCS32; break; |
| 1193 | |
| 1194 | default: break; |
| 1195 | } |
| 1196 | return ret; |
| 1197 | } |
| 1198 | |
| 1199 | |
| 1200 | static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc) |
| 1201 | { |
| 1202 | u8 tmp_Short; |
| 1203 | |
| 1204 | tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0); |
| 1205 | |
| 1206 | if(TxHT==1 && TxRate != DESC90_RATEMCS15) |
| 1207 | tmp_Short = 0; |
| 1208 | |
| 1209 | return tmp_Short; |
| 1210 | } |
| 1211 | |
| 1212 | /* |
| 1213 | * The tx procedure is just as following, |
| 1214 | * skb->cb will contain all the following information, |
| 1215 | * priority, morefrag, rate, &dev. |
| 1216 | */ |
| 1217 | static short rtl8192_tx(struct net_device *dev, struct sk_buff* skb) |
| 1218 | { |
| 1219 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1220 | struct rtl8192_tx_ring *ring; |
| 1221 | unsigned long flags; |
| 1222 | cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); |
| 1223 | tx_desc_819x_pci *pdesc = NULL; |
| 1224 | TX_FWINFO_8190PCI *pTxFwInfo = NULL; |
| 1225 | dma_addr_t mapping; |
| 1226 | bool multi_addr = false, broad_addr = false, uni_addr = false; |
| 1227 | u8 *pda_addr = NULL; |
| 1228 | int idx; |
| 1229 | |
| 1230 | if (priv->bdisable_nic) { |
| 1231 | RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n", |
| 1232 | skb->len, tcb_desc->queue_index); |
| 1233 | return skb->len; |
| 1234 | } |
| 1235 | |
| 1236 | #ifdef ENABLE_LPS |
| 1237 | priv->ieee80211->bAwakePktSent = true; |
| 1238 | #endif |
| 1239 | |
| 1240 | mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); |
| 1241 | |
| 1242 | /* collect the tx packets statitcs */ |
| 1243 | pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI); |
| 1244 | if (is_multicast_ether_addr(pda_addr)) |
| 1245 | multi_addr = true; |
| 1246 | else if (is_broadcast_ether_addr(pda_addr)) |
| 1247 | broad_addr = true; |
| 1248 | else |
| 1249 | uni_addr = true; |
| 1250 | |
| 1251 | if (uni_addr) |
| 1252 | priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI); |
| 1253 | |
| 1254 | /* fill tx firmware */ |
| 1255 | pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data; |
| 1256 | memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI)); |
| 1257 | pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0; |
| 1258 | pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate); |
| 1259 | pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur; |
| 1260 | pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc); |
| 1261 | |
| 1262 | /* Aggregation related */ |
| 1263 | if (tcb_desc->bAMPDUEnable) { |
| 1264 | pTxFwInfo->AllowAggregation = 1; |
| 1265 | pTxFwInfo->RxMF = tcb_desc->ampdu_factor; |
| 1266 | pTxFwInfo->RxAMD = tcb_desc->ampdu_density; |
| 1267 | } else { |
| 1268 | pTxFwInfo->AllowAggregation = 0; |
| 1269 | pTxFwInfo->RxMF = 0; |
| 1270 | pTxFwInfo->RxAMD = 0; |
| 1271 | } |
| 1272 | |
| 1273 | /* Protection mode related */ |
| 1274 | pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0; |
| 1275 | pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0; |
| 1276 | pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0; |
| 1277 | pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0; |
| 1278 | pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate); |
| 1279 | pTxFwInfo->RtsBandwidth = 0; |
| 1280 | pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC; |
| 1281 | pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0); |
| 1282 | |
| 1283 | /* Set Bandwidth and sub-channel settings. */ |
| 1284 | if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) { |
| 1285 | if (tcb_desc->bPacketBW) { |
| 1286 | pTxFwInfo->TxBandwidth = 1; |
| 1287 | /* use duplicated mode */ |
| 1288 | pTxFwInfo->TxSubCarrier = 0; |
| 1289 | } else { |
| 1290 | pTxFwInfo->TxBandwidth = 0; |
| 1291 | pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC; |
| 1292 | } |
| 1293 | } else { |
| 1294 | pTxFwInfo->TxBandwidth = 0; |
| 1295 | pTxFwInfo->TxSubCarrier = 0; |
| 1296 | } |
| 1297 | |
| 1298 | spin_lock_irqsave(&priv->irq_th_lock, flags); |
| 1299 | ring = &priv->tx_ring[tcb_desc->queue_index]; |
| 1300 | if (tcb_desc->queue_index != BEACON_QUEUE) |
| 1301 | idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries; |
| 1302 | else |
| 1303 | idx = 0; |
| 1304 | |
| 1305 | pdesc = &ring->desc[idx]; |
| 1306 | if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) { |
| 1307 | RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x\n", |
| 1308 | tcb_desc->queue_index, ring->idx, idx, skb->len); |
| 1309 | spin_unlock_irqrestore(&priv->irq_th_lock, flags); |
| 1310 | return skb->len; |
| 1311 | } |
| 1312 | |
| 1313 | /* fill tx descriptor */ |
| 1314 | memset(pdesc, 0, 12); |
| 1315 | |
| 1316 | /*DWORD 0*/ |
| 1317 | pdesc->LINIP = 0; |
| 1318 | pdesc->CmdInit = 1; |
| 1319 | pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */ |
| 1320 | pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI); |
| 1321 | |
| 1322 | /*DWORD 1*/ |
| 1323 | pdesc->SecCAMID = 0; |
| 1324 | pdesc->RATid = tcb_desc->RATRIndex; |
| 1325 | |
| 1326 | pdesc->NoEnc = 1; |
| 1327 | pdesc->SecType = 0x0; |
| 1328 | if (tcb_desc->bHwSec) { |
| 1329 | switch (priv->ieee80211->pairwise_key_type) { |
| 1330 | case KEY_TYPE_WEP40: |
| 1331 | case KEY_TYPE_WEP104: |
| 1332 | pdesc->SecType = 0x1; |
| 1333 | pdesc->NoEnc = 0; |
| 1334 | break; |
| 1335 | case KEY_TYPE_TKIP: |
| 1336 | pdesc->SecType = 0x2; |
| 1337 | pdesc->NoEnc = 0; |
| 1338 | break; |
| 1339 | case KEY_TYPE_CCMP: |
| 1340 | pdesc->SecType = 0x3; |
| 1341 | pdesc->NoEnc = 0; |
| 1342 | break; |
| 1343 | case KEY_TYPE_NA: |
| 1344 | pdesc->SecType = 0x0; |
| 1345 | pdesc->NoEnc = 1; |
| 1346 | break; |
| 1347 | } |
| 1348 | } |
| 1349 | |
| 1350 | /* Set Packet ID */ |
| 1351 | pdesc->PktId = 0x0; |
| 1352 | |
| 1353 | pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index); |
| 1354 | pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI); |
| 1355 | |
| 1356 | pdesc->DISFB = tcb_desc->bTxDisableRateFallBack; |
| 1357 | pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate; |
| 1358 | |
| 1359 | pdesc->FirstSeg = 1; |
| 1360 | pdesc->LastSeg = 1; |
| 1361 | pdesc->TxBufferSize = skb->len; |
| 1362 | |
| 1363 | pdesc->TxBuffAddr = cpu_to_le32(mapping); |
| 1364 | __skb_queue_tail(&ring->queue, skb); |
| 1365 | pdesc->OWN = 1; |
| 1366 | spin_unlock_irqrestore(&priv->irq_th_lock, flags); |
| 1367 | dev->trans_start = jiffies; |
| 1368 | write_nic_word(priv, TPPoll, 0x01<<tcb_desc->queue_index); |
| 1369 | return 0; |
| 1370 | } |
| 1371 | |
| 1372 | static short rtl8192_alloc_rx_desc_ring(struct net_device *dev) |
| 1373 | { |
| 1374 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1375 | rx_desc_819x_pci *entry = NULL; |
| 1376 | int i; |
| 1377 | |
| 1378 | priv->rx_ring = pci_alloc_consistent(priv->pdev, |
| 1379 | sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma); |
| 1380 | |
| 1381 | if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) { |
| 1382 | RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n"); |
| 1383 | return -ENOMEM; |
| 1384 | } |
| 1385 | |
| 1386 | memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount); |
| 1387 | priv->rx_idx = 0; |
| 1388 | |
| 1389 | for (i = 0; i < priv->rxringcount; i++) { |
| 1390 | struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize); |
| 1391 | dma_addr_t *mapping; |
| 1392 | entry = &priv->rx_ring[i]; |
| 1393 | if (!skb) |
| 1394 | return 0; |
| 1395 | priv->rx_buf[i] = skb; |
| 1396 | mapping = (dma_addr_t *)skb->cb; |
| 1397 | *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb), |
| 1398 | priv->rxbuffersize, PCI_DMA_FROMDEVICE); |
| 1399 | |
| 1400 | entry->BufferAddress = cpu_to_le32(*mapping); |
| 1401 | |
| 1402 | entry->Length = priv->rxbuffersize; |
| 1403 | entry->OWN = 1; |
| 1404 | } |
| 1405 | |
| 1406 | entry->EOR = 1; |
| 1407 | return 0; |
| 1408 | } |
| 1409 | |
| 1410 | static int rtl8192_alloc_tx_desc_ring(struct net_device *dev, |
| 1411 | unsigned int prio, unsigned int entries) |
| 1412 | { |
| 1413 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 1414 | tx_desc_819x_pci *ring; |
| 1415 | dma_addr_t dma; |
| 1416 | int i; |
| 1417 | |
| 1418 | ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma); |
| 1419 | if (!ring || (unsigned long)ring & 0xFF) { |
| 1420 | RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio); |
| 1421 | return -ENOMEM; |
| 1422 | } |
| 1423 | |
| 1424 | memset(ring, 0, sizeof(*ring)*entries); |
| 1425 | priv->tx_ring[prio].desc = ring; |
| 1426 | priv->tx_ring[prio].dma = dma; |
| 1427 | priv->tx_ring[prio].idx = 0; |
| 1428 | priv->tx_ring[prio].entries = entries; |
| 1429 | skb_queue_head_init(&priv->tx_ring[prio].queue); |
| 1430 | |
| 1431 | for (i = 0; i < entries; i++) |
| 1432 | ring[i].NextDescAddress = |
| 1433 | cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring)); |
| 1434 | |
| 1435 | return 0; |
| 1436 | } |
| 1437 | |
| 1438 | static short rtl8192_pci_initdescring(struct net_device *dev) |
| 1439 | { |
| 1440 | u32 ret; |
| 1441 | int i; |
| 1442 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1443 | |
| 1444 | ret = rtl8192_alloc_rx_desc_ring(dev); |
| 1445 | if (ret) |
| 1446 | return ret; |
| 1447 | |
| 1448 | /* general process for other queue */ |
| 1449 | for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) { |
| 1450 | ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount); |
| 1451 | if (ret) |
| 1452 | goto err_free_rings; |
| 1453 | } |
| 1454 | |
| 1455 | return 0; |
| 1456 | |
| 1457 | err_free_rings: |
| 1458 | rtl8192_free_rx_ring(dev); |
| 1459 | for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) |
| 1460 | if (priv->tx_ring[i].desc) |
| 1461 | rtl8192_free_tx_ring(dev, i); |
| 1462 | return 1; |
| 1463 | } |
| 1464 | |
| 1465 | static void rtl8192_pci_resetdescring(struct net_device *dev) |
| 1466 | { |
| 1467 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1468 | int i; |
| 1469 | |
| 1470 | /* force the rx_idx to the first one */ |
| 1471 | if(priv->rx_ring) { |
| 1472 | rx_desc_819x_pci *entry = NULL; |
| 1473 | for (i = 0; i < priv->rxringcount; i++) { |
| 1474 | entry = &priv->rx_ring[i]; |
| 1475 | entry->OWN = 1; |
| 1476 | } |
| 1477 | priv->rx_idx = 0; |
| 1478 | } |
| 1479 | |
| 1480 | /* after reset, release previous pending packet, and force the |
| 1481 | * tx idx to the first one */ |
| 1482 | for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) { |
| 1483 | if (priv->tx_ring[i].desc) { |
| 1484 | struct rtl8192_tx_ring *ring = &priv->tx_ring[i]; |
| 1485 | |
| 1486 | while (skb_queue_len(&ring->queue)) { |
| 1487 | tx_desc_819x_pci *entry = &ring->desc[ring->idx]; |
| 1488 | struct sk_buff *skb = __skb_dequeue(&ring->queue); |
| 1489 | |
| 1490 | pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr), |
| 1491 | skb->len, PCI_DMA_TODEVICE); |
| 1492 | kfree_skb(skb); |
| 1493 | ring->idx = (ring->idx + 1) % ring->entries; |
| 1494 | } |
| 1495 | ring->idx = 0; |
| 1496 | } |
| 1497 | } |
| 1498 | } |
| 1499 | |
| 1500 | static void rtl8192_link_change(struct net_device *dev) |
| 1501 | { |
| 1502 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1503 | struct ieee80211_device* ieee = priv->ieee80211; |
| 1504 | |
| 1505 | if (ieee->state == IEEE80211_LINKED) |
| 1506 | { |
| 1507 | rtl8192_net_update(dev); |
| 1508 | rtl8192_update_ratr_table(dev); |
| 1509 | |
| 1510 | //add this as in pure N mode, wep encryption will use software way, but there is no chance to set this as wep will not set group key in wext. WB.2008.07.08 |
| 1511 | if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) |
| 1512 | EnableHWSecurityConfig8192(dev); |
| 1513 | } |
| 1514 | else |
| 1515 | { |
| 1516 | write_nic_byte(priv, 0x173, 0); |
| 1517 | } |
| 1518 | |
| 1519 | rtl8192_update_msr(dev); |
| 1520 | |
| 1521 | // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have |
| 1522 | // // To set CBSSID bit when link with any AP or STA. |
| 1523 | if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) |
| 1524 | { |
| 1525 | u32 reg = 0; |
| 1526 | reg = read_nic_dword(priv, RCR); |
| 1527 | if (priv->ieee80211->state == IEEE80211_LINKED) |
| 1528 | priv->ReceiveConfig = reg |= RCR_CBSSID; |
| 1529 | else |
| 1530 | priv->ReceiveConfig = reg &= ~RCR_CBSSID; |
| 1531 | write_nic_dword(priv, RCR, reg); |
| 1532 | } |
| 1533 | } |
| 1534 | |
| 1535 | |
| 1536 | static const struct ieee80211_qos_parameters def_qos_parameters = { |
| 1537 | {3,3,3,3},/* cw_min */ |
| 1538 | {7,7,7,7},/* cw_max */ |
| 1539 | {2,2,2,2},/* aifs */ |
| 1540 | {0,0,0,0},/* flags */ |
| 1541 | {0,0,0,0} /* tx_op_limit */ |
| 1542 | }; |
| 1543 | |
| 1544 | static void rtl8192_update_beacon(struct work_struct * work) |
| 1545 | { |
| 1546 | struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work); |
| 1547 | struct net_device *dev = priv->ieee80211->dev; |
| 1548 | struct ieee80211_device* ieee = priv->ieee80211; |
| 1549 | struct ieee80211_network* net = &ieee->current_network; |
| 1550 | |
| 1551 | if (ieee->pHTInfo->bCurrentHTSupport) |
| 1552 | HTUpdateSelfAndPeerSetting(ieee, net); |
| 1553 | ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime; |
| 1554 | rtl8192_update_cap(dev, net->capability); |
| 1555 | } |
| 1556 | |
| 1557 | /* |
| 1558 | * background support to run QoS activate functionality |
| 1559 | */ |
| 1560 | static const int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO}; |
| 1561 | static void rtl8192_qos_activate(struct work_struct * work) |
| 1562 | { |
| 1563 | struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate); |
| 1564 | struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters; |
| 1565 | u8 mode = priv->ieee80211->current_network.mode; |
| 1566 | u8 u1bAIFS; |
| 1567 | u32 u4bAcParam; |
| 1568 | int i; |
| 1569 | |
| 1570 | mutex_lock(&priv->mutex); |
| 1571 | if(priv->ieee80211->state != IEEE80211_LINKED) |
| 1572 | goto success; |
| 1573 | RT_TRACE(COMP_QOS,"qos active process with associate response received\n"); |
| 1574 | /* It better set slot time at first */ |
| 1575 | /* For we just support b/g mode at present, let the slot time at 9/20 selection */ |
| 1576 | /* update the ac parameter to related registers */ |
| 1577 | for(i = 0; i < QOS_QUEUE_NUM; i++) { |
| 1578 | //Mode G/A: slotTimeTimer = 9; Mode B: 20 |
| 1579 | u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime; |
| 1580 | u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)| |
| 1581 | (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)| |
| 1582 | (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)| |
| 1583 | ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET)); |
| 1584 | write_nic_dword(priv, WDCAPARA_ADD[i], u4bAcParam); |
| 1585 | } |
| 1586 | |
| 1587 | success: |
| 1588 | mutex_unlock(&priv->mutex); |
| 1589 | } |
| 1590 | |
| 1591 | static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv, |
| 1592 | int active_network, |
| 1593 | struct ieee80211_network *network) |
| 1594 | { |
| 1595 | int ret = 0; |
| 1596 | u32 size = sizeof(struct ieee80211_qos_parameters); |
| 1597 | |
| 1598 | if(priv->ieee80211->state !=IEEE80211_LINKED) |
| 1599 | return ret; |
| 1600 | |
| 1601 | if ((priv->ieee80211->iw_mode != IW_MODE_INFRA)) |
| 1602 | return ret; |
| 1603 | |
| 1604 | if (network->flags & NETWORK_HAS_QOS_MASK) { |
| 1605 | if (active_network && |
| 1606 | (network->flags & NETWORK_HAS_QOS_PARAMETERS)) |
| 1607 | network->qos_data.active = network->qos_data.supported; |
| 1608 | |
| 1609 | if ((network->qos_data.active == 1) && (active_network == 1) && |
| 1610 | (network->flags & NETWORK_HAS_QOS_PARAMETERS) && |
| 1611 | (network->qos_data.old_param_count != |
| 1612 | network->qos_data.param_count)) { |
| 1613 | network->qos_data.old_param_count = |
| 1614 | network->qos_data.param_count; |
| 1615 | queue_work(priv->priv_wq, &priv->qos_activate); |
| 1616 | RT_TRACE (COMP_QOS, "QoS parameters change call " |
| 1617 | "qos_activate\n"); |
| 1618 | } |
| 1619 | } else { |
| 1620 | memcpy(&priv->ieee80211->current_network.qos_data.parameters, |
| 1621 | &def_qos_parameters, size); |
| 1622 | |
| 1623 | if ((network->qos_data.active == 1) && (active_network == 1)) { |
| 1624 | queue_work(priv->priv_wq, &priv->qos_activate); |
| 1625 | RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate\n"); |
| 1626 | } |
| 1627 | network->qos_data.active = 0; |
| 1628 | network->qos_data.supported = 0; |
| 1629 | } |
| 1630 | |
| 1631 | return 0; |
| 1632 | } |
| 1633 | |
| 1634 | /* handle manage frame frame beacon and probe response */ |
| 1635 | static int rtl8192_handle_beacon(struct net_device * dev, |
| 1636 | struct ieee80211_beacon * beacon, |
| 1637 | struct ieee80211_network * network) |
| 1638 | { |
| 1639 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1640 | |
| 1641 | rtl8192_qos_handle_probe_response(priv,1,network); |
| 1642 | |
| 1643 | queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0); |
| 1644 | return 0; |
| 1645 | |
| 1646 | } |
| 1647 | |
| 1648 | /* |
| 1649 | * handling the beaconing responses. if we get different QoS setting |
| 1650 | * off the network from the associated setting, adjust the QoS setting |
| 1651 | */ |
| 1652 | static int rtl8192_qos_association_resp(struct r8192_priv *priv, |
| 1653 | struct ieee80211_network *network) |
| 1654 | { |
| 1655 | int ret = 0; |
| 1656 | unsigned long flags; |
| 1657 | u32 size = sizeof(struct ieee80211_qos_parameters); |
| 1658 | int set_qos_param = 0; |
| 1659 | |
| 1660 | if ((priv == NULL) || (network == NULL)) |
| 1661 | return ret; |
| 1662 | |
| 1663 | if (priv->ieee80211->state != IEEE80211_LINKED) |
| 1664 | return ret; |
| 1665 | |
| 1666 | if ((priv->ieee80211->iw_mode != IW_MODE_INFRA)) |
| 1667 | return ret; |
| 1668 | |
| 1669 | spin_lock_irqsave(&priv->ieee80211->lock, flags); |
| 1670 | if (network->flags & NETWORK_HAS_QOS_PARAMETERS) { |
| 1671 | memcpy(&priv->ieee80211->current_network.qos_data.parameters, |
| 1672 | &network->qos_data.parameters, |
| 1673 | sizeof(struct ieee80211_qos_parameters)); |
| 1674 | priv->ieee80211->current_network.qos_data.active = 1; |
| 1675 | set_qos_param = 1; |
| 1676 | /* update qos parameter for current network */ |
| 1677 | priv->ieee80211->current_network.qos_data.old_param_count = |
| 1678 | priv->ieee80211->current_network.qos_data.param_count; |
| 1679 | priv->ieee80211->current_network.qos_data.param_count = |
| 1680 | network->qos_data.param_count; |
| 1681 | |
| 1682 | } else { |
| 1683 | memcpy(&priv->ieee80211->current_network.qos_data.parameters, |
| 1684 | &def_qos_parameters, size); |
| 1685 | priv->ieee80211->current_network.qos_data.active = 0; |
| 1686 | priv->ieee80211->current_network.qos_data.supported = 0; |
| 1687 | set_qos_param = 1; |
| 1688 | } |
| 1689 | |
| 1690 | spin_unlock_irqrestore(&priv->ieee80211->lock, flags); |
| 1691 | |
| 1692 | RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __FUNCTION__, |
| 1693 | network->flags, priv->ieee80211->current_network.qos_data.active); |
| 1694 | if (set_qos_param == 1) |
| 1695 | queue_work(priv->priv_wq, &priv->qos_activate); |
| 1696 | |
| 1697 | return ret; |
| 1698 | } |
| 1699 | |
| 1700 | |
| 1701 | static int rtl8192_handle_assoc_response(struct net_device *dev, |
| 1702 | struct ieee80211_assoc_response_frame *resp, |
| 1703 | struct ieee80211_network *network) |
| 1704 | { |
| 1705 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1706 | rtl8192_qos_association_resp(priv, network); |
| 1707 | return 0; |
| 1708 | } |
| 1709 | |
| 1710 | |
| 1711 | /* updateRATRTabel for MCS only. Basic rate is not implemented. */ |
| 1712 | static void rtl8192_update_ratr_table(struct net_device* dev) |
| 1713 | { |
| 1714 | struct r8192_priv* priv = ieee80211_priv(dev); |
| 1715 | struct ieee80211_device* ieee = priv->ieee80211; |
| 1716 | u8* pMcsRate = ieee->dot11HTOperationalRateSet; |
| 1717 | u32 ratr_value = 0; |
| 1718 | u8 rate_index = 0; |
| 1719 | |
| 1720 | rtl8192_config_rate(dev, (u16*)(&ratr_value)); |
| 1721 | ratr_value |= (*(u16*)(pMcsRate)) << 12; |
| 1722 | |
| 1723 | switch (ieee->mode) |
| 1724 | { |
| 1725 | case IEEE_A: |
| 1726 | ratr_value &= 0x00000FF0; |
| 1727 | break; |
| 1728 | case IEEE_B: |
| 1729 | ratr_value &= 0x0000000F; |
| 1730 | break; |
| 1731 | case IEEE_G: |
| 1732 | ratr_value &= 0x00000FF7; |
| 1733 | break; |
| 1734 | case IEEE_N_24G: |
| 1735 | case IEEE_N_5G: |
| 1736 | if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC |
| 1737 | ratr_value &= 0x0007F007; |
| 1738 | else{ |
| 1739 | if (priv->rf_type == RF_1T2R) |
| 1740 | ratr_value &= 0x000FF007; |
| 1741 | else |
| 1742 | ratr_value &= 0x0F81F007; |
| 1743 | } |
| 1744 | break; |
| 1745 | default: |
| 1746 | break; |
| 1747 | } |
| 1748 | ratr_value &= 0x0FFFFFFF; |
| 1749 | if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){ |
| 1750 | ratr_value |= 0x80000000; |
| 1751 | }else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){ |
| 1752 | ratr_value |= 0x80000000; |
| 1753 | } |
| 1754 | write_nic_dword(priv, RATR0+rate_index*4, ratr_value); |
| 1755 | write_nic_byte(priv, UFWP, 1); |
| 1756 | } |
| 1757 | |
| 1758 | static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev) |
| 1759 | { |
| 1760 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1761 | struct ieee80211_device *ieee = priv->ieee80211; |
| 1762 | |
| 1763 | return !(ieee->rtllib_ap_sec_type && |
| 1764 | (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))); |
| 1765 | } |
| 1766 | |
| 1767 | static void rtl8192_refresh_supportrate(struct r8192_priv* priv) |
| 1768 | { |
| 1769 | struct ieee80211_device* ieee = priv->ieee80211; |
| 1770 | //we donot consider set support rate for ABG mode, only HT MCS rate is set here. |
| 1771 | if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G) |
| 1772 | { |
| 1773 | memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16); |
| 1774 | } |
| 1775 | else |
| 1776 | memset(ieee->Regdot11HTOperationalRateSet, 0, 16); |
| 1777 | } |
| 1778 | |
| 1779 | static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev) |
| 1780 | { |
| 1781 | return (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B); |
| 1782 | } |
| 1783 | |
| 1784 | static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode) |
| 1785 | { |
| 1786 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1787 | u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev); |
| 1788 | |
| 1789 | if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0)) |
| 1790 | { |
| 1791 | if(bSupportMode & WIRELESS_MODE_N_24G) |
| 1792 | { |
| 1793 | wireless_mode = WIRELESS_MODE_N_24G; |
| 1794 | } |
| 1795 | else if(bSupportMode & WIRELESS_MODE_N_5G) |
| 1796 | { |
| 1797 | wireless_mode = WIRELESS_MODE_N_5G; |
| 1798 | } |
| 1799 | else if((bSupportMode & WIRELESS_MODE_A)) |
| 1800 | { |
| 1801 | wireless_mode = WIRELESS_MODE_A; |
| 1802 | } |
| 1803 | else if((bSupportMode & WIRELESS_MODE_G)) |
| 1804 | { |
| 1805 | wireless_mode = WIRELESS_MODE_G; |
| 1806 | } |
| 1807 | else if((bSupportMode & WIRELESS_MODE_B)) |
| 1808 | { |
| 1809 | wireless_mode = WIRELESS_MODE_B; |
| 1810 | } |
| 1811 | else{ |
| 1812 | RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode); |
| 1813 | wireless_mode = WIRELESS_MODE_B; |
| 1814 | } |
| 1815 | } |
| 1816 | priv->ieee80211->mode = wireless_mode; |
| 1817 | |
| 1818 | if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G)) |
| 1819 | priv->ieee80211->pHTInfo->bEnableHT = 1; |
| 1820 | else |
| 1821 | priv->ieee80211->pHTInfo->bEnableHT = 0; |
| 1822 | RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode); |
| 1823 | rtl8192_refresh_supportrate(priv); |
| 1824 | } |
| 1825 | |
| 1826 | static bool GetHalfNmodeSupportByAPs819xPci(struct net_device* dev) |
| 1827 | { |
| 1828 | struct r8192_priv* priv = ieee80211_priv(dev); |
| 1829 | struct ieee80211_device* ieee = priv->ieee80211; |
| 1830 | |
| 1831 | return ieee->bHalfWirelessN24GMode; |
| 1832 | } |
| 1833 | |
| 1834 | static short rtl8192_is_tx_queue_empty(struct net_device *dev) |
| 1835 | { |
| 1836 | int i=0; |
| 1837 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1838 | for (i=0; i<=MGNT_QUEUE; i++) |
| 1839 | { |
| 1840 | if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) ) |
| 1841 | continue; |
| 1842 | if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){ |
| 1843 | printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue)); |
| 1844 | return 0; |
| 1845 | } |
| 1846 | } |
| 1847 | return 1; |
| 1848 | } |
| 1849 | |
| 1850 | static void rtl8192_hw_sleep_down(struct net_device *dev) |
| 1851 | { |
| 1852 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1853 | |
| 1854 | spin_lock(&priv->rf_ps_lock); |
| 1855 | if (priv->RFChangeInProgress) { |
| 1856 | spin_unlock(&priv->rf_ps_lock); |
| 1857 | RT_TRACE(COMP_RF, "rtl8192_hw_sleep_down(): RF Change in progress!\n"); |
| 1858 | printk("rtl8192_hw_sleep_down(): RF Change in progress!\n"); |
| 1859 | return; |
| 1860 | } |
| 1861 | spin_unlock(&priv->rf_ps_lock); |
| 1862 | |
| 1863 | MgntActSet_RF_State(dev, eRfSleep, RF_CHANGE_BY_PS); |
| 1864 | } |
| 1865 | |
| 1866 | static void rtl8192_hw_sleep_wq (struct work_struct *work) |
| 1867 | { |
| 1868 | struct delayed_work *dwork = container_of(work,struct delayed_work,work); |
| 1869 | struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq); |
| 1870 | struct net_device *dev = ieee->dev; |
| 1871 | |
| 1872 | rtl8192_hw_sleep_down(dev); |
| 1873 | } |
| 1874 | |
| 1875 | static void rtl8192_hw_wakeup(struct net_device* dev) |
| 1876 | { |
| 1877 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1878 | |
| 1879 | spin_lock(&priv->rf_ps_lock); |
| 1880 | if (priv->RFChangeInProgress) { |
| 1881 | spin_unlock(&priv->rf_ps_lock); |
| 1882 | RT_TRACE(COMP_RF, "rtl8192_hw_wakeup(): RF Change in progress!\n"); |
| 1883 | printk("rtl8192_hw_wakeup(): RF Change in progress! schedule wake up task again\n"); |
| 1884 | queue_delayed_work(priv->ieee80211->wq,&priv->ieee80211->hw_wakeup_wq,MSECS(10));//PowerSave is not supported if kernel version is below 2.6.20 |
| 1885 | return; |
| 1886 | } |
| 1887 | spin_unlock(&priv->rf_ps_lock); |
| 1888 | |
| 1889 | MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_PS); |
| 1890 | } |
| 1891 | |
| 1892 | static void rtl8192_hw_wakeup_wq (struct work_struct *work) |
| 1893 | { |
| 1894 | struct delayed_work *dwork = container_of(work,struct delayed_work,work); |
| 1895 | struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq); |
| 1896 | struct net_device *dev = ieee->dev; |
| 1897 | rtl8192_hw_wakeup(dev); |
| 1898 | |
| 1899 | } |
| 1900 | |
| 1901 | #define MIN_SLEEP_TIME 50 |
| 1902 | #define MAX_SLEEP_TIME 10000 |
| 1903 | static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl) |
| 1904 | { |
| 1905 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1906 | u32 tmp; |
| 1907 | u32 rb = jiffies; |
| 1908 | |
| 1909 | spin_lock(&priv->ps_lock); |
| 1910 | |
| 1911 | // Writing HW register with 0 equals to disable |
| 1912 | // the timer, that is not really what we want |
| 1913 | // |
| 1914 | tl -= MSECS(8+16+7); |
| 1915 | |
| 1916 | // If the interval in witch we are requested to sleep is too |
| 1917 | // short then give up and remain awake |
| 1918 | // when we sleep after send null frame, the timer will be too short to sleep. |
| 1919 | // |
| 1920 | if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME)) |
| 1921 | ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) { |
| 1922 | printk("too short to sleep::%x, %x, %lx\n",tl, rb, MSECS(MIN_SLEEP_TIME)); |
| 1923 | goto out_unlock; |
| 1924 | } |
| 1925 | |
| 1926 | if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))|| |
| 1927 | ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))|| |
| 1928 | ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) { |
| 1929 | printk("========>too long to sleep:%x, %x, %lx\n", tl, rb, MSECS(MAX_SLEEP_TIME)); |
| 1930 | goto out_unlock; |
| 1931 | } |
| 1932 | |
| 1933 | tmp = (tl>rb)?(tl-rb):(rb-tl); |
| 1934 | queue_delayed_work(priv->ieee80211->wq, |
| 1935 | &priv->ieee80211->hw_wakeup_wq,tmp); |
| 1936 | |
| 1937 | queue_delayed_work(priv->ieee80211->wq, |
| 1938 | (void *)&priv->ieee80211->hw_sleep_wq,0); |
| 1939 | out_unlock: |
| 1940 | spin_unlock(&priv->ps_lock); |
| 1941 | } |
| 1942 | |
| 1943 | static void rtl8192_init_priv_variable(struct net_device* dev) |
| 1944 | { |
| 1945 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 1946 | u8 i; |
| 1947 | PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl)); |
| 1948 | |
| 1949 | // Default Halt the NIC if RF is OFF. |
| 1950 | pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC; |
| 1951 | pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ; |
| 1952 | pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM; |
| 1953 | pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM; |
| 1954 | pPSC->bLeisurePs = true; |
| 1955 | pPSC->RegMaxLPSAwakeIntvl = 5; |
| 1956 | priv->bHwRadioOff = false; |
| 1957 | |
| 1958 | priv->being_init_adapter = false; |
| 1959 | priv->txringcount = 64;//32; |
| 1960 | priv->rxbuffersize = 9100;//2048;//1024; |
| 1961 | priv->rxringcount = MAX_RX_COUNT;//64; |
| 1962 | priv->rx_skb_complete = 1; |
| 1963 | priv->chan = 1; //set to channel 1 |
| 1964 | priv->RegWirelessMode = WIRELESS_MODE_AUTO; |
| 1965 | priv->RegChannelPlan = 0xf; |
| 1966 | priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO |
| 1967 | priv->ieee80211->iw_mode = IW_MODE_INFRA; |
| 1968 | priv->ieee80211->ieee_up=0; |
| 1969 | priv->retry_rts = DEFAULT_RETRY_RTS; |
| 1970 | priv->retry_data = DEFAULT_RETRY_DATA; |
| 1971 | priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD; |
| 1972 | priv->ieee80211->rate = 110; //11 mbps |
| 1973 | priv->ieee80211->short_slot = 1; |
| 1974 | priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0; |
| 1975 | priv->bcck_in_ch14 = false; |
| 1976 | priv->CCKPresentAttentuation = 0; |
| 1977 | priv->rfa_txpowertrackingindex = 0; |
| 1978 | priv->rfc_txpowertrackingindex = 0; |
| 1979 | priv->CckPwEnl = 6; |
| 1980 | //added by amy for silent reset |
| 1981 | priv->ResetProgress = RESET_TYPE_NORESET; |
| 1982 | priv->bForcedSilentReset = 0; |
| 1983 | priv->bDisableNormalResetCheck = false; |
| 1984 | priv->force_reset = false; |
| 1985 | //added by amy for power save |
| 1986 | priv->ieee80211->RfOffReason = 0; |
| 1987 | priv->RFChangeInProgress = false; |
| 1988 | priv->bHwRfOffAction = 0; |
| 1989 | priv->ieee80211->PowerSaveControl.bInactivePs = true; |
| 1990 | priv->ieee80211->PowerSaveControl.bIPSModeBackup = false; |
| 1991 | |
| 1992 | priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL; |
| 1993 | priv->ieee80211->iw_mode = IW_MODE_INFRA; |
| 1994 | priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN | |
| 1995 | IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ | |
| 1996 | IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* | |
| 1997 | IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //| //IEEE_SOFTMAC_SINGLE_QUEUE; |
| 1998 | |
| 1999 | priv->ieee80211->active_scan = 1; |
| 2000 | priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION; |
| 2001 | priv->ieee80211->host_encrypt = 1; |
| 2002 | priv->ieee80211->host_decrypt = 1; |
| 2003 | priv->ieee80211->start_send_beacons = rtl8192_start_beacon;//+by david 081107 |
| 2004 | priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;//+by david 081107 |
| 2005 | priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit; |
| 2006 | priv->ieee80211->set_chan = rtl8192_set_chan; |
| 2007 | priv->ieee80211->link_change = rtl8192_link_change; |
| 2008 | priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit; |
| 2009 | priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop; |
| 2010 | priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume; |
| 2011 | priv->ieee80211->init_wmmparam_flag = 0; |
| 2012 | priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD; |
| 2013 | priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc; |
| 2014 | priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI); |
| 2015 | priv->ieee80211->qos_support = 1; |
| 2016 | priv->ieee80211->dot11PowerSaveMode = 0; |
| 2017 | priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode; |
| 2018 | priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response; |
| 2019 | priv->ieee80211->handle_beacon = rtl8192_handle_beacon; |
| 2020 | |
| 2021 | priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup; |
| 2022 | priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep; |
| 2023 | priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty; |
| 2024 | priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci; |
| 2025 | priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode; |
| 2026 | priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci; |
| 2027 | |
| 2028 | priv->ieee80211->InitialGainHandler = InitialGain819xPci; |
| 2029 | |
| 2030 | #ifdef ENABLE_IPS |
| 2031 | priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq; |
| 2032 | priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave; |
| 2033 | #endif |
| 2034 | #ifdef ENABLE_LPS |
| 2035 | priv->ieee80211->LeisurePSLeave = LeisurePSLeave; |
| 2036 | #endif |
| 2037 | |
| 2038 | priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg; |
| 2039 | priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type; |
| 2040 | |
| 2041 | priv->ShortRetryLimit = 0x30; |
| 2042 | priv->LongRetryLimit = 0x30; |
| 2043 | |
| 2044 | priv->ReceiveConfig = RCR_ADD3 | |
| 2045 | RCR_AMF | RCR_ADF | //accept management/data |
| 2046 | RCR_AICV | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko. |
| 2047 | RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC |
| 2048 | RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) | |
| 2049 | ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT; |
| 2050 | |
| 2051 | priv->pFirmware = vzalloc(sizeof(rt_firmware)); |
| 2052 | |
| 2053 | /* rx related queue */ |
| 2054 | skb_queue_head_init(&priv->skb_queue); |
| 2055 | |
| 2056 | /* Tx related queue */ |
| 2057 | for(i = 0; i < MAX_QUEUE_SIZE; i++) { |
| 2058 | skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]); |
| 2059 | } |
| 2060 | for(i = 0; i < MAX_QUEUE_SIZE; i++) { |
| 2061 | skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]); |
| 2062 | } |
| 2063 | priv->rf_set_chan = rtl8192_phy_SwChnl; |
| 2064 | } |
| 2065 | |
| 2066 | static void rtl8192_init_priv_lock(struct r8192_priv* priv) |
| 2067 | { |
| 2068 | spin_lock_init(&priv->irq_th_lock); |
| 2069 | spin_lock_init(&priv->rf_ps_lock); |
| 2070 | spin_lock_init(&priv->ps_lock); |
| 2071 | sema_init(&priv->wx_sem,1); |
| 2072 | sema_init(&priv->rf_sem,1); |
| 2073 | mutex_init(&priv->mutex); |
| 2074 | } |
| 2075 | |
| 2076 | /* init tasklet and wait_queue here */ |
| 2077 | #define DRV_NAME "wlan0" |
| 2078 | static void rtl8192_init_priv_task(struct net_device* dev) |
| 2079 | { |
| 2080 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 2081 | |
| 2082 | priv->priv_wq = create_workqueue(DRV_NAME); |
| 2083 | |
| 2084 | #ifdef ENABLE_IPS |
| 2085 | INIT_WORK(&priv->ieee80211->ips_leave_wq, IPSLeave_wq); |
| 2086 | #endif |
| 2087 | |
| 2088 | INIT_WORK(&priv->reset_wq, rtl8192_restart); |
| 2089 | INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback); |
| 2090 | INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback); |
| 2091 | INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback); |
| 2092 | INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon); |
| 2093 | INIT_WORK(&priv->qos_activate, rtl8192_qos_activate); |
| 2094 | INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq, rtl8192_hw_wakeup_wq); |
| 2095 | INIT_DELAYED_WORK(&priv->ieee80211->hw_sleep_wq, rtl8192_hw_sleep_wq); |
| 2096 | |
| 2097 | tasklet_init(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet, |
| 2098 | (unsigned long) priv); |
| 2099 | tasklet_init(&priv->irq_tx_tasklet, rtl8192_irq_tx_tasklet, |
| 2100 | (unsigned long) priv); |
| 2101 | tasklet_init(&priv->irq_prepare_beacon_tasklet, rtl8192_prepare_beacon, |
| 2102 | (unsigned long) priv); |
| 2103 | } |
| 2104 | |
| 2105 | static void rtl8192_get_eeprom_size(struct net_device* dev) |
| 2106 | { |
| 2107 | u16 curCR = 0; |
| 2108 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 2109 | RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__); |
| 2110 | curCR = read_nic_dword(priv, EPROM_CMD); |
| 2111 | RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR); |
| 2112 | //whether need I consider BIT5? |
| 2113 | priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46; |
| 2114 | RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype); |
| 2115 | } |
| 2116 | |
| 2117 | /* |
| 2118 | * Adapter->EEPROMAddressSize should be set before this function call. |
| 2119 | * EEPROM address size can be got through GetEEPROMSize8185() |
| 2120 | */ |
| 2121 | static void rtl8192_read_eeprom_info(struct r8192_priv *priv) |
| 2122 | { |
| 2123 | struct net_device *dev = priv->ieee80211->dev; |
| 2124 | u8 tempval; |
| 2125 | u8 ICVer8192, ICVer8256; |
| 2126 | u16 i,usValue, IC_Version; |
| 2127 | u16 EEPROMId; |
| 2128 | u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01}; |
| 2129 | RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n"); |
| 2130 | |
| 2131 | |
| 2132 | // TODO: I don't know if we need to apply EF function to EEPROM read function |
| 2133 | |
| 2134 | //2 Read EEPROM ID to make sure autoload is success |
| 2135 | EEPROMId = eprom_read(dev, 0); |
| 2136 | if( EEPROMId != RTL8190_EEPROM_ID ) |
| 2137 | { |
| 2138 | RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID); |
| 2139 | priv->AutoloadFailFlag=true; |
| 2140 | } |
| 2141 | else |
| 2142 | { |
| 2143 | priv->AutoloadFailFlag=false; |
| 2144 | } |
| 2145 | |
| 2146 | // |
| 2147 | // Assign Chip Version ID |
| 2148 | // |
| 2149 | // Read IC Version && Channel Plan |
| 2150 | if(!priv->AutoloadFailFlag) |
| 2151 | { |
| 2152 | // VID, PID |
| 2153 | priv->eeprom_vid = eprom_read(dev, (EEPROM_VID >> 1)); |
| 2154 | priv->eeprom_did = eprom_read(dev, (EEPROM_DID >> 1)); |
| 2155 | |
| 2156 | usValue = eprom_read(dev, (u16)(EEPROM_Customer_ID>>1)) >> 8 ; |
| 2157 | priv->eeprom_CustomerID = (u8)( usValue & 0xff); |
| 2158 | usValue = eprom_read(dev, (EEPROM_ICVersion_ChannelPlan>>1)); |
| 2159 | priv->eeprom_ChannelPlan = usValue&0xff; |
| 2160 | IC_Version = ((usValue&0xff00)>>8); |
| 2161 | |
| 2162 | ICVer8192 = (IC_Version&0xf); //bit0~3; 1:A cut, 2:B cut, 3:C cut... |
| 2163 | ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut... |
| 2164 | RT_TRACE(COMP_INIT, "ICVer8192 = 0x%x\n", ICVer8192); |
| 2165 | RT_TRACE(COMP_INIT, "ICVer8256 = 0x%x\n", ICVer8256); |
| 2166 | if(ICVer8192 == 0x2) //B-cut |
| 2167 | { |
| 2168 | if(ICVer8256 == 0x5) //E-cut |
| 2169 | priv->card_8192_version= VERSION_8190_BE; |
| 2170 | } |
| 2171 | |
| 2172 | switch(priv->card_8192_version) |
| 2173 | { |
| 2174 | case VERSION_8190_BD: |
| 2175 | case VERSION_8190_BE: |
| 2176 | break; |
| 2177 | default: |
| 2178 | priv->card_8192_version = VERSION_8190_BD; |
| 2179 | break; |
| 2180 | } |
| 2181 | RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version); |
| 2182 | } |
| 2183 | else |
| 2184 | { |
| 2185 | priv->card_8192_version = VERSION_8190_BD; |
| 2186 | priv->eeprom_vid = 0; |
| 2187 | priv->eeprom_did = 0; |
| 2188 | priv->eeprom_CustomerID = 0; |
| 2189 | priv->eeprom_ChannelPlan = 0; |
| 2190 | RT_TRACE(COMP_INIT, "IC Version = 0x%x\n", 0xff); |
| 2191 | } |
| 2192 | |
| 2193 | RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid); |
| 2194 | RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did); |
| 2195 | RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID); |
| 2196 | |
| 2197 | //2 Read Permanent MAC address |
| 2198 | if(!priv->AutoloadFailFlag) |
| 2199 | { |
| 2200 | for(i = 0; i < 6; i += 2) |
| 2201 | { |
| 2202 | usValue = eprom_read(dev, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1)); |
| 2203 | *(u16*)(&dev->dev_addr[i]) = usValue; |
| 2204 | } |
| 2205 | } else { |
| 2206 | // when auto load failed, the last address byte set to be a random one. |
| 2207 | // added by david woo.2007/11/7 |
| 2208 | memcpy(dev->dev_addr, bMac_Tmp_Addr, 6); |
| 2209 | } |
| 2210 | |
| 2211 | RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr); |
| 2212 | |
| 2213 | //2 TX Power Check EEPROM Fail or not |
| 2214 | if(priv->card_8192_version > VERSION_8190_BD) { |
| 2215 | priv->bTXPowerDataReadFromEEPORM = true; |
| 2216 | } else { |
| 2217 | priv->bTXPowerDataReadFromEEPORM = false; |
| 2218 | } |
| 2219 | |
| 2220 | // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R |
| 2221 | priv->rf_type = RTL819X_DEFAULT_RF_TYPE; |
| 2222 | |
| 2223 | if(priv->card_8192_version > VERSION_8190_BD) |
| 2224 | { |
| 2225 | // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate. |
| 2226 | if(!priv->AutoloadFailFlag) |
| 2227 | { |
| 2228 | tempval = (eprom_read(dev, (EEPROM_RFInd_PowerDiff>>1))) & 0xff; |
| 2229 | priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf; // bit[3:0] |
| 2230 | |
| 2231 | if (tempval&0x80) //RF-indication, bit[7] |
| 2232 | priv->rf_type = RF_1T2R; |
| 2233 | else |
| 2234 | priv->rf_type = RF_2T4R; |
| 2235 | } |
| 2236 | else |
| 2237 | { |
| 2238 | priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff; |
| 2239 | } |
| 2240 | RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n", |
| 2241 | priv->EEPROMLegacyHTTxPowerDiff); |
| 2242 | |
| 2243 | // Read ThermalMeter from EEPROM |
| 2244 | if(!priv->AutoloadFailFlag) |
| 2245 | { |
| 2246 | priv->EEPROMThermalMeter = (u8)(((eprom_read(dev, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8); |
| 2247 | } |
| 2248 | else |
| 2249 | { |
| 2250 | priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter; |
| 2251 | } |
| 2252 | RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter); |
| 2253 | //vivi, for tx power track |
| 2254 | priv->TSSI_13dBm = priv->EEPROMThermalMeter *100; |
| 2255 | |
| 2256 | if(priv->epromtype == EPROM_93c46) |
| 2257 | { |
| 2258 | // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM |
| 2259 | if(!priv->AutoloadFailFlag) |
| 2260 | { |
| 2261 | usValue = eprom_read(dev, (EEPROM_TxPwDiff_CrystalCap>>1)); |
| 2262 | priv->EEPROMAntPwDiff = (usValue&0x0fff); |
| 2263 | priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12); |
| 2264 | } |
| 2265 | else |
| 2266 | { |
| 2267 | priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff; |
| 2268 | priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap; |
| 2269 | } |
| 2270 | RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff); |
| 2271 | RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap); |
| 2272 | |
| 2273 | // |
| 2274 | // Get per-channel Tx Power Level |
| 2275 | // |
| 2276 | for(i=0; i<14; i+=2) |
| 2277 | { |
| 2278 | if(!priv->AutoloadFailFlag) |
| 2279 | { |
| 2280 | usValue = eprom_read(dev, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) ); |
| 2281 | } |
| 2282 | else |
| 2283 | { |
| 2284 | usValue = EEPROM_Default_TxPower; |
| 2285 | } |
| 2286 | *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue; |
| 2287 | RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]); |
| 2288 | RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]); |
| 2289 | } |
| 2290 | for(i=0; i<14; i+=2) |
| 2291 | { |
| 2292 | if(!priv->AutoloadFailFlag) |
| 2293 | { |
| 2294 | usValue = eprom_read(dev, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) ); |
| 2295 | } |
| 2296 | else |
| 2297 | { |
| 2298 | usValue = EEPROM_Default_TxPower; |
| 2299 | } |
| 2300 | *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue; |
| 2301 | RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]); |
| 2302 | RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]); |
| 2303 | } |
| 2304 | } |
| 2305 | |
| 2306 | // |
| 2307 | // Update HAL variables. |
| 2308 | // |
| 2309 | if(priv->epromtype == EPROM_93c46) |
| 2310 | { |
| 2311 | for(i=0; i<14; i++) |
| 2312 | { |
| 2313 | priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i]; |
| 2314 | priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i]; |
| 2315 | } |
| 2316 | priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff; |
| 2317 | // Antenna B gain offset to antenna A, bit0~3 |
| 2318 | priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf); |
| 2319 | // Antenna C gain offset to antenna A, bit4~7 |
| 2320 | priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4); |
| 2321 | // Antenna D gain offset to antenna A, bit8~11 |
| 2322 | priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8); |
| 2323 | // CrystalCap, bit12~15 |
| 2324 | priv->CrystalCap = priv->EEPROMCrystalCap; |
| 2325 | // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2 |
| 2326 | priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf); |
| 2327 | priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4); |
| 2328 | } |
| 2329 | else if(priv->epromtype == EPROM_93c56) |
| 2330 | { |
| 2331 | for(i=0; i<3; i++) // channel 1~3 use the same Tx Power Level. |
| 2332 | { |
| 2333 | priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[0]; |
| 2334 | priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0]; |
| 2335 | priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[0]; |
| 2336 | priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0]; |
| 2337 | } |
| 2338 | for(i=3; i<9; i++) // channel 4~9 use the same Tx Power Level |
| 2339 | { |
| 2340 | priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[1]; |
| 2341 | priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1]; |
| 2342 | priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[1]; |
| 2343 | priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1]; |
| 2344 | } |
| 2345 | for(i=9; i<14; i++) // channel 10~14 use the same Tx Power Level |
| 2346 | { |
| 2347 | priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[2]; |
| 2348 | priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2]; |
| 2349 | priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[2]; |
| 2350 | priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2]; |
| 2351 | } |
| 2352 | for(i=0; i<14; i++) |
| 2353 | RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]); |
| 2354 | for(i=0; i<14; i++) |
| 2355 | RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]); |
| 2356 | for(i=0; i<14; i++) |
| 2357 | RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]); |
| 2358 | for(i=0; i<14; i++) |
| 2359 | RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]); |
| 2360 | priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff; |
| 2361 | priv->AntennaTxPwDiff[0] = 0; |
| 2362 | priv->AntennaTxPwDiff[1] = 0; |
| 2363 | priv->AntennaTxPwDiff[2] = 0; |
| 2364 | priv->CrystalCap = priv->EEPROMCrystalCap; |
| 2365 | // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2 |
| 2366 | priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf); |
| 2367 | priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4); |
| 2368 | } |
| 2369 | } |
| 2370 | |
| 2371 | if(priv->rf_type == RF_1T2R) |
| 2372 | { |
| 2373 | RT_TRACE(COMP_INIT, "1T2R config\n"); |
| 2374 | } |
| 2375 | else if (priv->rf_type == RF_2T4R) |
| 2376 | { |
| 2377 | RT_TRACE(COMP_INIT, "2T4R config\n"); |
| 2378 | } |
| 2379 | |
| 2380 | // 2008/01/16 MH We can only know RF type in the function. So we have to init |
| 2381 | // DIG RATR table again. |
| 2382 | init_rate_adaptive(dev); |
| 2383 | |
| 2384 | //1 Make a copy for following variables and we can change them if we want |
| 2385 | |
| 2386 | if(priv->RegChannelPlan == 0xf) |
| 2387 | { |
| 2388 | priv->ChannelPlan = priv->eeprom_ChannelPlan; |
| 2389 | } |
| 2390 | else |
| 2391 | { |
| 2392 | priv->ChannelPlan = priv->RegChannelPlan; |
| 2393 | } |
| 2394 | |
| 2395 | // |
| 2396 | // Used PID and DID to Set CustomerID |
| 2397 | // |
| 2398 | if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304 ) |
| 2399 | { |
| 2400 | priv->CustomerID = RT_CID_DLINK; |
| 2401 | } |
| 2402 | |
| 2403 | switch(priv->eeprom_CustomerID) |
| 2404 | { |
| 2405 | case EEPROM_CID_DEFAULT: |
| 2406 | priv->CustomerID = RT_CID_DEFAULT; |
| 2407 | break; |
| 2408 | case EEPROM_CID_CAMEO: |
| 2409 | priv->CustomerID = RT_CID_819x_CAMEO; |
| 2410 | break; |
| 2411 | case EEPROM_CID_RUNTOP: |
| 2412 | priv->CustomerID = RT_CID_819x_RUNTOP; |
| 2413 | break; |
| 2414 | case EEPROM_CID_NetCore: |
| 2415 | priv->CustomerID = RT_CID_819x_Netcore; |
| 2416 | break; |
| 2417 | case EEPROM_CID_TOSHIBA: // Merge by Jacken, 2008/01/31 |
| 2418 | priv->CustomerID = RT_CID_TOSHIBA; |
| 2419 | if(priv->eeprom_ChannelPlan&0x80) |
| 2420 | priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f; |
| 2421 | else |
| 2422 | priv->ChannelPlan = 0x0; |
| 2423 | RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n", |
| 2424 | priv->ChannelPlan); |
| 2425 | break; |
| 2426 | case EEPROM_CID_Nettronix: |
| 2427 | priv->CustomerID = RT_CID_Nettronix; |
| 2428 | break; |
| 2429 | case EEPROM_CID_Pronet: |
| 2430 | priv->CustomerID = RT_CID_PRONET; |
| 2431 | break; |
| 2432 | case EEPROM_CID_DLINK: |
| 2433 | priv->CustomerID = RT_CID_DLINK; |
| 2434 | break; |
| 2435 | |
| 2436 | case EEPROM_CID_WHQL: |
| 2437 | break; |
| 2438 | default: |
| 2439 | // value from RegCustomerID |
| 2440 | break; |
| 2441 | } |
| 2442 | |
| 2443 | //Avoid the channel plan array overflow, by Bruce, 2007-08-27. |
| 2444 | if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1) |
| 2445 | priv->ChannelPlan = 0; //FCC |
| 2446 | |
| 2447 | switch(priv->CustomerID) |
| 2448 | { |
| 2449 | case RT_CID_DEFAULT: |
| 2450 | priv->LedStrategy = SW_LED_MODE1; |
| 2451 | break; |
| 2452 | |
| 2453 | case RT_CID_819x_CAMEO: |
| 2454 | priv->LedStrategy = SW_LED_MODE2; |
| 2455 | break; |
| 2456 | |
| 2457 | case RT_CID_819x_RUNTOP: |
| 2458 | priv->LedStrategy = SW_LED_MODE3; |
| 2459 | break; |
| 2460 | |
| 2461 | case RT_CID_819x_Netcore: |
| 2462 | priv->LedStrategy = SW_LED_MODE4; |
| 2463 | break; |
| 2464 | |
| 2465 | case RT_CID_Nettronix: |
| 2466 | priv->LedStrategy = SW_LED_MODE5; |
| 2467 | break; |
| 2468 | |
| 2469 | case RT_CID_PRONET: |
| 2470 | priv->LedStrategy = SW_LED_MODE6; |
| 2471 | break; |
| 2472 | |
| 2473 | case RT_CID_TOSHIBA: //Modify by Jacken 2008/01/31 |
| 2474 | // Do nothing. |
| 2475 | //break; |
| 2476 | |
| 2477 | default: |
| 2478 | priv->LedStrategy = SW_LED_MODE1; |
| 2479 | break; |
| 2480 | } |
| 2481 | |
| 2482 | |
| 2483 | if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304) |
| 2484 | priv->ieee80211->bSupportRemoteWakeUp = true; |
| 2485 | else |
| 2486 | priv->ieee80211->bSupportRemoteWakeUp = false; |
| 2487 | |
| 2488 | |
| 2489 | RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan); |
| 2490 | RT_TRACE(COMP_INIT, "ChannelPlan = %d\n", priv->ChannelPlan); |
| 2491 | RT_TRACE(COMP_INIT, "LedStrategy = %d\n", priv->LedStrategy); |
| 2492 | RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n"); |
| 2493 | |
| 2494 | return ; |
| 2495 | } |
| 2496 | |
| 2497 | |
| 2498 | static short rtl8192_get_channel_map(struct net_device * dev) |
| 2499 | { |
| 2500 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 2501 | #ifdef ENABLE_DOT11D |
| 2502 | if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){ |
| 2503 | printk("rtl8180_init:Error channel plan! Set to default.\n"); |
| 2504 | priv->ChannelPlan= 0; |
| 2505 | } |
| 2506 | RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan); |
| 2507 | |
| 2508 | rtl819x_set_channel_map(priv->ChannelPlan, priv); |
| 2509 | #else |
| 2510 | int ch,i; |
| 2511 | //Set Default Channel Plan |
| 2512 | if(!channels){ |
| 2513 | DMESG("No channels, aborting"); |
| 2514 | return -1; |
| 2515 | } |
| 2516 | ch=channels; |
| 2517 | priv->ChannelPlan= 0;//hikaru |
| 2518 | // set channels 1..14 allowed in given locale |
| 2519 | for (i=1; i<=14; i++) { |
| 2520 | (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01); |
| 2521 | ch >>= 1; |
| 2522 | } |
| 2523 | #endif |
| 2524 | return 0; |
| 2525 | } |
| 2526 | |
| 2527 | static short rtl8192_init(struct net_device *dev) |
| 2528 | { |
| 2529 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 2530 | memset(&(priv->stats),0,sizeof(struct Stats)); |
| 2531 | rtl8192_init_priv_variable(dev); |
| 2532 | rtl8192_init_priv_lock(priv); |
| 2533 | rtl8192_init_priv_task(dev); |
| 2534 | rtl8192_get_eeprom_size(dev); |
| 2535 | rtl8192_read_eeprom_info(priv); |
| 2536 | rtl8192_get_channel_map(dev); |
| 2537 | init_hal_dm(dev); |
| 2538 | init_timer(&priv->watch_dog_timer); |
| 2539 | priv->watch_dog_timer.data = (unsigned long)dev; |
| 2540 | priv->watch_dog_timer.function = watch_dog_timer_callback; |
| 2541 | if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, dev->name, dev)) { |
| 2542 | printk("Error allocating IRQ %d",dev->irq); |
| 2543 | return -1; |
| 2544 | }else{ |
| 2545 | priv->irq=dev->irq; |
| 2546 | printk("IRQ %d",dev->irq); |
| 2547 | } |
| 2548 | if(rtl8192_pci_initdescring(dev)!=0){ |
| 2549 | printk("Endopoints initialization failed"); |
| 2550 | return -1; |
| 2551 | } |
| 2552 | |
| 2553 | return 0; |
| 2554 | } |
| 2555 | |
| 2556 | /* |
| 2557 | * Actually only set RRSR, RATR and BW_OPMODE registers |
| 2558 | * not to do all the hw config as its name says |
| 2559 | * This part need to modified according to the rate set we filtered |
| 2560 | */ |
| 2561 | static void rtl8192_hwconfig(struct net_device* dev) |
| 2562 | { |
| 2563 | u32 regRATR = 0, regRRSR = 0; |
| 2564 | u8 regBwOpMode = 0, regTmp = 0; |
| 2565 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 2566 | |
| 2567 | // Set RRSR, RATR, and BW_OPMODE registers |
| 2568 | // |
| 2569 | switch(priv->ieee80211->mode) |
| 2570 | { |
| 2571 | case WIRELESS_MODE_B: |
| 2572 | regBwOpMode = BW_OPMODE_20MHZ; |
| 2573 | regRATR = RATE_ALL_CCK; |
| 2574 | regRRSR = RATE_ALL_CCK; |
| 2575 | break; |
| 2576 | case WIRELESS_MODE_A: |
| 2577 | regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ; |
| 2578 | regRATR = RATE_ALL_OFDM_AG; |
| 2579 | regRRSR = RATE_ALL_OFDM_AG; |
| 2580 | break; |
| 2581 | case WIRELESS_MODE_G: |
| 2582 | regBwOpMode = BW_OPMODE_20MHZ; |
| 2583 | regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; |
| 2584 | regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; |
| 2585 | break; |
| 2586 | case WIRELESS_MODE_AUTO: |
| 2587 | case WIRELESS_MODE_N_24G: |
| 2588 | // It support CCK rate by default. |
| 2589 | // CCK rate will be filtered out only when associated AP does not support it. |
| 2590 | regBwOpMode = BW_OPMODE_20MHZ; |
| 2591 | regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS; |
| 2592 | regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; |
| 2593 | break; |
| 2594 | case WIRELESS_MODE_N_5G: |
| 2595 | regBwOpMode = BW_OPMODE_5G; |
| 2596 | regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS; |
| 2597 | regRRSR = RATE_ALL_OFDM_AG; |
| 2598 | break; |
| 2599 | } |
| 2600 | |
| 2601 | write_nic_byte(priv, BW_OPMODE, regBwOpMode); |
| 2602 | { |
| 2603 | u32 ratr_value = 0; |
| 2604 | ratr_value = regRATR; |
| 2605 | if (priv->rf_type == RF_1T2R) |
| 2606 | { |
| 2607 | ratr_value &= ~(RATE_ALL_OFDM_2SS); |
| 2608 | } |
| 2609 | write_nic_dword(priv, RATR0, ratr_value); |
| 2610 | write_nic_byte(priv, UFWP, 1); |
| 2611 | } |
| 2612 | regTmp = read_nic_byte(priv, 0x313); |
| 2613 | regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff); |
| 2614 | write_nic_dword(priv, RRSR, regRRSR); |
| 2615 | |
| 2616 | // |
| 2617 | // Set Retry Limit here |
| 2618 | // |
| 2619 | write_nic_word(priv, RETRY_LIMIT, |
| 2620 | priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT | |
| 2621 | priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT); |
| 2622 | // Set Contention Window here |
| 2623 | |
| 2624 | // Set Tx AGC |
| 2625 | |
| 2626 | // Set Tx Antenna including Feedback control |
| 2627 | |
| 2628 | // Set Auto Rate fallback control |
| 2629 | |
| 2630 | |
| 2631 | } |
| 2632 | |
| 2633 | |
| 2634 | static RT_STATUS rtl8192_adapter_start(struct net_device *dev) |
| 2635 | { |
| 2636 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 2637 | u32 ulRegRead; |
| 2638 | RT_STATUS rtStatus = RT_STATUS_SUCCESS; |
| 2639 | u8 tmpvalue; |
| 2640 | u8 ICVersion,SwitchingRegulatorOutput; |
| 2641 | bool bfirmwareok = true; |
| 2642 | u32 tmpRegA, tmpRegC, TempCCk; |
| 2643 | int i =0; |
| 2644 | |
| 2645 | RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__); |
| 2646 | priv->being_init_adapter = true; |
| 2647 | rtl8192_pci_resetdescring(dev); |
| 2648 | // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W. |
| 2649 | priv->Rf_Mode = RF_OP_By_SW_3wire; |
| 2650 | |
| 2651 | //dPLL on |
| 2652 | if(priv->ResetProgress == RESET_TYPE_NORESET) |
| 2653 | { |
| 2654 | write_nic_byte(priv, ANAPAR, 0x37); |
| 2655 | // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms |
| 2656 | // Joseph increae the time to prevent firmware download fail |
| 2657 | mdelay(500); |
| 2658 | } |
| 2659 | |
| 2660 | //PlatformSleepUs(10000); |
| 2661 | // For any kind of InitializeAdapter process, we shall use system now!! |
| 2662 | priv->pFirmware->firmware_status = FW_STATUS_0_INIT; |
| 2663 | |
| 2664 | // |
| 2665 | //3 //Config CPUReset Register |
| 2666 | //3// |
| 2667 | //3 Firmware Reset Or Not |
| 2668 | ulRegRead = read_nic_dword(priv, CPU_GEN); |
| 2669 | if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT) |
| 2670 | { //called from MPInitialized. do nothing |
| 2671 | ulRegRead |= CPU_GEN_SYSTEM_RESET; |
| 2672 | }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY) |
| 2673 | ulRegRead |= CPU_GEN_FIRMWARE_RESET; // Called from MPReset |
| 2674 | else |
| 2675 | RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__, priv->pFirmware->firmware_status); |
| 2676 | |
| 2677 | write_nic_dword(priv, CPU_GEN, ulRegRead); |
| 2678 | |
| 2679 | //3// |
| 2680 | //3 //Fix the issue of E-cut high temperature issue |
| 2681 | //3// |
| 2682 | // TODO: E cut only |
| 2683 | ICVersion = read_nic_byte(priv, IC_VERRSION); |
| 2684 | if(ICVersion >= 0x4) //E-cut only |
| 2685 | { |
| 2686 | // HW SD suggest that we should not wirte this register too often, so driver |
| 2687 | // should readback this register. This register will be modified only when |
| 2688 | // power on reset |
| 2689 | SwitchingRegulatorOutput = read_nic_byte(priv, SWREGULATOR); |
| 2690 | if(SwitchingRegulatorOutput != 0xb8) |
| 2691 | { |
| 2692 | write_nic_byte(priv, SWREGULATOR, 0xa8); |
| 2693 | mdelay(1); |
| 2694 | write_nic_byte(priv, SWREGULATOR, 0xb8); |
| 2695 | } |
| 2696 | } |
| 2697 | |
| 2698 | //3// |
| 2699 | //3// Initialize BB before MAC |
| 2700 | //3// |
| 2701 | RT_TRACE(COMP_INIT, "BB Config Start!\n"); |
| 2702 | rtStatus = rtl8192_BBConfig(dev); |
| 2703 | if(rtStatus != RT_STATUS_SUCCESS) |
| 2704 | { |
| 2705 | RT_TRACE(COMP_ERR, "BB Config failed\n"); |
| 2706 | return rtStatus; |
| 2707 | } |
| 2708 | RT_TRACE(COMP_INIT,"BB Config Finished!\n"); |
| 2709 | |
| 2710 | //3//Set Loopback mode or Normal mode |
| 2711 | //3// |
| 2712 | //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings |
| 2713 | // because setting of System_Reset bit reset MAC to default transmission mode. |
| 2714 | //Loopback mode or not |
| 2715 | priv->LoopbackMode = RTL819X_NO_LOOPBACK; |
| 2716 | if(priv->ResetProgress == RESET_TYPE_NORESET) |
| 2717 | { |
| 2718 | ulRegRead = read_nic_dword(priv, CPU_GEN); |
| 2719 | if(priv->LoopbackMode == RTL819X_NO_LOOPBACK) |
| 2720 | { |
| 2721 | ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET); |
| 2722 | } |
| 2723 | else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK ) |
| 2724 | { |
| 2725 | ulRegRead |= CPU_CCK_LOOPBACK; |
| 2726 | } |
| 2727 | else |
| 2728 | { |
| 2729 | RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n"); |
| 2730 | } |
| 2731 | |
| 2732 | //2008.06.03, for WOL |
| 2733 | //ulRegRead &= (~(CPU_GEN_GPIO_UART)); |
| 2734 | write_nic_dword(priv, CPU_GEN, ulRegRead); |
| 2735 | |
| 2736 | // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily |
| 2737 | udelay(500); |
| 2738 | } |
| 2739 | //3Set Hardware(Do nothing now) |
| 2740 | rtl8192_hwconfig(dev); |
| 2741 | //2======================================================= |
| 2742 | // Common Setting for all of the FPGA platform. (part 1) |
| 2743 | //2======================================================= |
| 2744 | // If there is changes, please make sure it applies to all of the FPGA version |
| 2745 | //3 Turn on Tx/Rx |
| 2746 | write_nic_byte(priv, CMDR, CR_RE|CR_TE); |
| 2747 | |
| 2748 | //2Set Tx dma burst |
| 2749 | write_nic_byte(priv, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) | |
| 2750 | (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) )); |
| 2751 | |
| 2752 | //set IDR0 here |
| 2753 | write_nic_dword(priv, MAC0, ((u32*)dev->dev_addr)[0]); |
| 2754 | write_nic_word(priv, MAC4, ((u16*)(dev->dev_addr + 4))[0]); |
| 2755 | //set RCR |
| 2756 | write_nic_dword(priv, RCR, priv->ReceiveConfig); |
| 2757 | |
| 2758 | //3 Initialize Number of Reserved Pages in Firmware Queue |
| 2759 | write_nic_dword(priv, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT | |
| 2760 | NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT | |
| 2761 | NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT | |
| 2762 | NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT); |
| 2763 | write_nic_dword(priv, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT); |
| 2764 | write_nic_dword(priv, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW| |
| 2765 | NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT| |
| 2766 | NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT); |
| 2767 | |
| 2768 | rtl8192_tx_enable(dev); |
| 2769 | rtl8192_rx_enable(dev); |
| 2770 | //3Set Response Rate Setting Register |
| 2771 | // CCK rate is supported by default. |
| 2772 | // CCK rate will be filtered out only when associated AP does not support it. |
| 2773 | ulRegRead = (0xFFF00000 & read_nic_dword(priv, RRSR)) | RATE_ALL_OFDM_AG | RATE_ALL_CCK; |
| 2774 | write_nic_dword(priv, RRSR, ulRegRead); |
| 2775 | write_nic_dword(priv, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK)); |
| 2776 | |
| 2777 | //2Set AckTimeout |
| 2778 | // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily |
| 2779 | write_nic_byte(priv, ACK_TIMEOUT, 0x30); |
| 2780 | |
| 2781 | if(priv->ResetProgress == RESET_TYPE_NORESET) |
| 2782 | rtl8192_SetWirelessMode(dev, priv->ieee80211->mode); |
| 2783 | //----------------------------------------------------------------------------- |
| 2784 | // Set up security related. 070106, by rcnjko: |
| 2785 | // 1. Clear all H/W keys. |
| 2786 | // 2. Enable H/W encryption/decryption. |
| 2787 | //----------------------------------------------------------------------------- |
| 2788 | CamResetAllEntry(dev); |
| 2789 | { |
| 2790 | u8 SECR_value = 0x0; |
| 2791 | SECR_value |= SCR_TxEncEnable; |
| 2792 | SECR_value |= SCR_RxDecEnable; |
| 2793 | SECR_value |= SCR_NoSKMC; |
| 2794 | write_nic_byte(priv, SECR, SECR_value); |
| 2795 | } |
| 2796 | //3Beacon related |
| 2797 | write_nic_word(priv, ATIMWND, 2); |
| 2798 | write_nic_word(priv, BCN_INTERVAL, 100); |
| 2799 | for (i=0; i<QOS_QUEUE_NUM; i++) |
| 2800 | write_nic_dword(priv, WDCAPARA_ADD[i], 0x005e4332); |
| 2801 | // |
| 2802 | // Switching regulator controller: This is set temporarily. |
| 2803 | // It's not sure if this can be removed in the future. |
| 2804 | // PJ advised to leave it by default. |
| 2805 | // |
| 2806 | write_nic_byte(priv, 0xbe, 0xc0); |
| 2807 | |
| 2808 | //2======================================================= |
| 2809 | // Set PHY related configuration defined in MAC register bank |
| 2810 | //2======================================================= |
| 2811 | rtl8192_phy_configmac(dev); |
| 2812 | |
| 2813 | if (priv->card_8192_version > (u8) VERSION_8190_BD) { |
| 2814 | rtl8192_phy_getTxPower(dev); |
| 2815 | rtl8192_phy_setTxPower(dev, priv->chan); |
| 2816 | } |
| 2817 | |
| 2818 | //if D or C cut |
| 2819 | tmpvalue = read_nic_byte(priv, IC_VERRSION); |
| 2820 | priv->IC_Cut = tmpvalue; |
| 2821 | RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut); |
| 2822 | if(priv->IC_Cut >= IC_VersionCut_D) |
| 2823 | { |
| 2824 | //pHalData->bDcut = TRUE; |
| 2825 | if(priv->IC_Cut == IC_VersionCut_D) |
| 2826 | RT_TRACE(COMP_INIT, "D-cut\n"); |
| 2827 | if(priv->IC_Cut == IC_VersionCut_E) |
| 2828 | { |
| 2829 | RT_TRACE(COMP_INIT, "E-cut\n"); |
| 2830 | // HW SD suggest that we should not wirte this register too often, so driver |
| 2831 | // should readback this register. This register will be modified only when |
| 2832 | // power on reset |
| 2833 | } |
| 2834 | } |
| 2835 | else |
| 2836 | { |
| 2837 | //pHalData->bDcut = FALSE; |
| 2838 | RT_TRACE(COMP_INIT, "Before C-cut\n"); |
| 2839 | } |
| 2840 | |
| 2841 | //Firmware download |
| 2842 | RT_TRACE(COMP_INIT, "Load Firmware!\n"); |
| 2843 | bfirmwareok = init_firmware(dev); |
| 2844 | if(bfirmwareok != true) { |
| 2845 | rtStatus = RT_STATUS_FAILURE; |
| 2846 | return rtStatus; |
| 2847 | } |
| 2848 | RT_TRACE(COMP_INIT, "Load Firmware finished!\n"); |
| 2849 | |
| 2850 | //RF config |
| 2851 | if(priv->ResetProgress == RESET_TYPE_NORESET) |
| 2852 | { |
| 2853 | RT_TRACE(COMP_INIT, "RF Config Started!\n"); |
| 2854 | rtStatus = rtl8192_phy_RFConfig(dev); |
| 2855 | if(rtStatus != RT_STATUS_SUCCESS) |
| 2856 | { |
| 2857 | RT_TRACE(COMP_ERR, "RF Config failed\n"); |
| 2858 | return rtStatus; |
| 2859 | } |
| 2860 | RT_TRACE(COMP_INIT, "RF Config Finished!\n"); |
| 2861 | } |
| 2862 | rtl8192_phy_updateInitGain(dev); |
| 2863 | |
| 2864 | /*---- Set CCK and OFDM Block "ON"----*/ |
| 2865 | rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1); |
| 2866 | rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1); |
| 2867 | |
| 2868 | //Enable Led |
| 2869 | write_nic_byte(priv, 0x87, 0x0); |
| 2870 | |
| 2871 | //2======================================================= |
| 2872 | // RF Power Save |
| 2873 | //2======================================================= |
| 2874 | #ifdef ENABLE_IPS |
| 2875 | |
| 2876 | { |
| 2877 | if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS) |
| 2878 | { // H/W or S/W RF OFF before sleep. |
| 2879 | RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__,priv->ieee80211->RfOffReason); |
| 2880 | MgntActSet_RF_State(dev, eRfOff, priv->ieee80211->RfOffReason); |
| 2881 | } |
| 2882 | else if(priv->ieee80211->RfOffReason >= RF_CHANGE_BY_IPS) |
| 2883 | { // H/W or S/W RF OFF before sleep. |
| 2884 | RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__,priv->ieee80211->RfOffReason); |
| 2885 | MgntActSet_RF_State(dev, eRfOff, priv->ieee80211->RfOffReason); |
| 2886 | } |
| 2887 | else |
| 2888 | { |
| 2889 | RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__); |
| 2890 | priv->ieee80211->eRFPowerState = eRfOn; |
| 2891 | priv->ieee80211->RfOffReason = 0; |
| 2892 | } |
| 2893 | } |
| 2894 | #endif |
| 2895 | // We can force firmware to do RF-R/W |
| 2896 | if(priv->ieee80211->FwRWRF) |
| 2897 | priv->Rf_Mode = RF_OP_By_FW; |
| 2898 | else |
| 2899 | priv->Rf_Mode = RF_OP_By_SW_3wire; |
| 2900 | |
| 2901 | if(priv->ResetProgress == RESET_TYPE_NORESET) |
| 2902 | { |
| 2903 | dm_initialize_txpower_tracking(dev); |
| 2904 | |
| 2905 | if(priv->IC_Cut >= IC_VersionCut_D) |
| 2906 | { |
| 2907 | tmpRegA= rtl8192_QueryBBReg(dev,rOFDM0_XATxIQImbalance,bMaskDWord); |
| 2908 | tmpRegC= rtl8192_QueryBBReg(dev,rOFDM0_XCTxIQImbalance,bMaskDWord); |
| 2909 | for(i = 0; i<TxBBGainTableLength; i++) |
| 2910 | { |
| 2911 | if(tmpRegA == priv->txbbgain_table[i].txbbgain_value) |
| 2912 | { |
| 2913 | priv->rfa_txpowertrackingindex= (u8)i; |
| 2914 | priv->rfa_txpowertrackingindex_real= (u8)i; |
| 2915 | priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex; |
| 2916 | break; |
| 2917 | } |
| 2918 | } |
| 2919 | |
| 2920 | TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2); |
| 2921 | |
| 2922 | for(i=0 ; i<CCKTxBBGainTableLength ; i++) |
| 2923 | { |
| 2924 | if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) |
| 2925 | { |
| 2926 | priv->CCKPresentAttentuation_20Mdefault =(u8) i; |
| 2927 | break; |
| 2928 | } |
| 2929 | } |
| 2930 | priv->CCKPresentAttentuation_40Mdefault = 0; |
| 2931 | priv->CCKPresentAttentuation_difference = 0; |
| 2932 | priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault; |
| 2933 | RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex); |
| 2934 | RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real); |
| 2935 | RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference); |
| 2936 | RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation); |
| 2937 | priv->btxpower_tracking = FALSE;//TEMPLY DISABLE |
| 2938 | } |
| 2939 | } |
| 2940 | |
| 2941 | rtl8192_irq_enable(dev); |
| 2942 | priv->being_init_adapter = false; |
| 2943 | return rtStatus; |
| 2944 | |
| 2945 | } |
| 2946 | |
| 2947 | static void rtl8192_prepare_beacon(unsigned long arg) |
| 2948 | { |
| 2949 | struct r8192_priv *priv = (struct r8192_priv*) arg; |
| 2950 | struct sk_buff *skb; |
| 2951 | cb_desc *tcb_desc; |
| 2952 | |
| 2953 | skb = ieee80211_get_beacon(priv->ieee80211); |
| 2954 | tcb_desc = (cb_desc *)(skb->cb + 8); |
| 2955 | /* prepare misc info for the beacon xmit */ |
| 2956 | tcb_desc->queue_index = BEACON_QUEUE; |
| 2957 | /* IBSS does not support HT yet, use 1M defaultly */ |
| 2958 | tcb_desc->data_rate = 2; |
| 2959 | tcb_desc->RATRIndex = 7; |
| 2960 | tcb_desc->bTxDisableRateFallBack = 1; |
| 2961 | tcb_desc->bTxUseDriverAssingedRate = 1; |
| 2962 | |
| 2963 | skb_push(skb, priv->ieee80211->tx_headroom); |
| 2964 | if(skb){ |
| 2965 | rtl8192_tx(priv->ieee80211->dev,skb); |
| 2966 | } |
| 2967 | } |
| 2968 | |
| 2969 | |
| 2970 | /* |
| 2971 | * configure registers for beacon tx and enables it via |
| 2972 | * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might |
| 2973 | * be used to stop beacon transmission |
| 2974 | */ |
| 2975 | static void rtl8192_start_beacon(struct net_device *dev) |
| 2976 | { |
| 2977 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 2978 | struct ieee80211_network *net = &priv->ieee80211->current_network; |
| 2979 | u16 BcnTimeCfg = 0; |
| 2980 | u16 BcnCW = 6; |
| 2981 | u16 BcnIFS = 0xf; |
| 2982 | |
| 2983 | DMESG("Enabling beacon TX"); |
| 2984 | rtl8192_irq_disable(dev); |
| 2985 | //rtl8192_beacon_tx_enable(dev); |
| 2986 | |
| 2987 | /* ATIM window */ |
| 2988 | write_nic_word(priv, ATIMWND, 2); |
| 2989 | |
| 2990 | /* Beacon interval (in unit of TU) */ |
| 2991 | write_nic_word(priv, BCN_INTERVAL, net->beacon_interval); |
| 2992 | |
| 2993 | /* |
| 2994 | * DrvErlyInt (in unit of TU). |
| 2995 | * (Time to send interrupt to notify driver to c |
| 2996 | * hange beacon content) |
| 2997 | * */ |
| 2998 | write_nic_word(priv, BCN_DRV_EARLY_INT, 10); |
| 2999 | |
| 3000 | /* |
| 3001 | * BcnDMATIM(in unit of us). |
| 3002 | * Indicates the time before TBTT to perform beacon queue DMA |
| 3003 | * */ |
| 3004 | write_nic_word(priv, BCN_DMATIME, 256); |
| 3005 | |
| 3006 | /* |
| 3007 | * Force beacon frame transmission even after receiving |
| 3008 | * beacon frame from other ad hoc STA |
| 3009 | * */ |
| 3010 | write_nic_byte(priv, BCN_ERR_THRESH, 100); |
| 3011 | |
| 3012 | /* Set CW and IFS */ |
| 3013 | BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT; |
| 3014 | BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS; |
| 3015 | write_nic_word(priv, BCN_TCFG, BcnTimeCfg); |
| 3016 | |
| 3017 | |
| 3018 | /* enable the interrupt for ad-hoc process */ |
| 3019 | rtl8192_irq_enable(dev); |
| 3020 | } |
| 3021 | |
| 3022 | static bool HalRxCheckStuck8190Pci(struct net_device *dev) |
| 3023 | { |
| 3024 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3025 | u16 RegRxCounter = read_nic_word(priv, 0x130); |
| 3026 | bool bStuck = FALSE; |
| 3027 | |
| 3028 | RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter); |
| 3029 | // If rssi is small, we should check rx for long time because of bad rx. |
| 3030 | // or maybe it will continuous silent reset every 2 seconds. |
| 3031 | priv->rx_chk_cnt++; |
| 3032 | if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5)) |
| 3033 | { |
| 3034 | priv->rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */ |
| 3035 | } |
| 3036 | else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) && |
| 3037 | ((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) || |
| 3038 | (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) ) |
| 3039 | |
| 3040 | { |
| 3041 | if(priv->rx_chk_cnt < 2) |
| 3042 | { |
| 3043 | return bStuck; |
| 3044 | } |
| 3045 | else |
| 3046 | { |
| 3047 | priv->rx_chk_cnt = 0; |
| 3048 | } |
| 3049 | } |
| 3050 | else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) || |
| 3051 | (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) && |
| 3052 | priv->undecorated_smoothed_pwdb >= VeryLowRSSI) |
| 3053 | { |
| 3054 | if(priv->rx_chk_cnt < 4) |
| 3055 | { |
| 3056 | return bStuck; |
| 3057 | } |
| 3058 | else |
| 3059 | { |
| 3060 | priv->rx_chk_cnt = 0; |
| 3061 | } |
| 3062 | } |
| 3063 | else |
| 3064 | { |
| 3065 | if(priv->rx_chk_cnt < 8) |
| 3066 | { |
| 3067 | return bStuck; |
| 3068 | } |
| 3069 | else |
| 3070 | { |
| 3071 | priv->rx_chk_cnt = 0; |
| 3072 | } |
| 3073 | } |
| 3074 | if(priv->RxCounter==RegRxCounter) |
| 3075 | bStuck = TRUE; |
| 3076 | |
| 3077 | priv->RxCounter = RegRxCounter; |
| 3078 | |
| 3079 | return bStuck; |
| 3080 | } |
| 3081 | |
| 3082 | static RESET_TYPE RxCheckStuck(struct net_device *dev) |
| 3083 | { |
| 3084 | |
| 3085 | if(HalRxCheckStuck8190Pci(dev)) |
| 3086 | { |
| 3087 | RT_TRACE(COMP_RESET, "RxStuck Condition\n"); |
| 3088 | return RESET_TYPE_SILENT; |
| 3089 | } |
| 3090 | |
| 3091 | return RESET_TYPE_NORESET; |
| 3092 | } |
| 3093 | |
| 3094 | static RESET_TYPE |
| 3095 | rtl819x_ifcheck_resetornot(struct net_device *dev) |
| 3096 | { |
| 3097 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3098 | RESET_TYPE TxResetType = RESET_TYPE_NORESET; |
| 3099 | RESET_TYPE RxResetType = RESET_TYPE_NORESET; |
| 3100 | RT_RF_POWER_STATE rfState; |
| 3101 | |
| 3102 | rfState = priv->ieee80211->eRFPowerState; |
| 3103 | |
| 3104 | if( rfState != eRfOff && |
| 3105 | /*ADAPTER_TEST_STATUS_FLAG(Adapter, ADAPTER_STATUS_FW_DOWNLOAD_FAILURE)) &&*/ |
| 3106 | (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) |
| 3107 | { |
| 3108 | // If driver is in the status of firmware download failure , driver skips RF initialization and RF is |
| 3109 | // in turned off state. Driver should check whether Rx stuck and do silent reset. And |
| 3110 | // if driver is in firmware download failure status, driver should initialize RF in the following |
| 3111 | // silent reset procedure Emily, 2008.01.21 |
| 3112 | |
| 3113 | // Driver should not check RX stuck in IBSS mode because it is required to |
| 3114 | // set Check BSSID in order to send beacon, however, if check BSSID is |
| 3115 | // set, STA cannot hear any packet a all. Emily, 2008.04.12 |
| 3116 | RxResetType = RxCheckStuck(dev); |
| 3117 | } |
| 3118 | |
| 3119 | RT_TRACE(COMP_RESET,"%s(): TxResetType is %d, RxResetType is %d\n",__FUNCTION__,TxResetType,RxResetType); |
| 3120 | if(TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL) |
| 3121 | return RESET_TYPE_NORMAL; |
| 3122 | else if(TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT) |
| 3123 | return RESET_TYPE_SILENT; |
| 3124 | else |
| 3125 | return RESET_TYPE_NORESET; |
| 3126 | |
| 3127 | } |
| 3128 | |
| 3129 | #ifdef ENABLE_IPS |
| 3130 | void InactivePsWorkItemCallback(struct net_device *dev) |
| 3131 | { |
| 3132 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3133 | PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl)); |
| 3134 | |
| 3135 | RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() --------->\n"); |
| 3136 | // |
| 3137 | // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem |
| 3138 | // is really scheduled. |
| 3139 | // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the |
| 3140 | // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing |
| 3141 | // blocks the IPS procedure of switching RF. |
| 3142 | // By Bruce, 2007-12-25. |
| 3143 | // |
| 3144 | pPSC->bSwRfProcessing = TRUE; |
| 3145 | |
| 3146 | RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n", |
| 3147 | pPSC->eInactivePowerState == eRfOff?"OFF":"ON"); |
| 3148 | |
| 3149 | |
| 3150 | MgntActSet_RF_State(dev, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS); |
| 3151 | |
| 3152 | // |
| 3153 | // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20. |
| 3154 | // |
| 3155 | pPSC->bSwRfProcessing = FALSE; |
| 3156 | RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <---------\n"); |
| 3157 | } |
| 3158 | |
| 3159 | #ifdef ENABLE_LPS |
| 3160 | /* Change current and default preamble mode. */ |
| 3161 | bool MgntActSet_802_11_PowerSaveMode(struct net_device *dev, u8 rtPsMode) |
| 3162 | { |
| 3163 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3164 | |
| 3165 | // Currently, we do not change power save mode on IBSS mode. |
| 3166 | if(priv->ieee80211->iw_mode == IW_MODE_ADHOC) |
| 3167 | { |
| 3168 | return false; |
| 3169 | } |
| 3170 | |
| 3171 | // |
| 3172 | // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us, |
| 3173 | // some AP will not response to our mgnt frames with PwrMgt bit set, |
| 3174 | // e.g. cannot associate the AP. |
| 3175 | // So I commented out it. 2005.02.16, by rcnjko. |
| 3176 | // |
| 3177 | // // Change device's power save mode. |
| 3178 | // Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode ); |
| 3179 | |
| 3180 | // Update power save mode configured. |
| 3181 | //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode); |
| 3182 | if(!priv->ps_force) { |
| 3183 | priv->ieee80211->ps = rtPsMode; |
| 3184 | } |
| 3185 | |
| 3186 | // Awake immediately |
| 3187 | if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED) |
| 3188 | { |
| 3189 | // Notify the AP we awke. |
| 3190 | rtl8192_hw_wakeup(dev); |
| 3191 | priv->ieee80211->sta_sleep = 0; |
| 3192 | |
| 3193 | spin_lock(&priv->ieee80211->mgmt_tx_lock); |
| 3194 | printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n"); |
| 3195 | ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0); |
| 3196 | spin_unlock(&priv->ieee80211->mgmt_tx_lock); |
| 3197 | } |
| 3198 | |
| 3199 | return true; |
| 3200 | } |
| 3201 | |
| 3202 | /* Enter the leisure power save mode. */ |
| 3203 | void LeisurePSEnter(struct net_device *dev) |
| 3204 | { |
| 3205 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3206 | PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl)); |
| 3207 | |
| 3208 | if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) && |
| 3209 | (priv->ieee80211->state == IEEE80211_LINKED)) || |
| 3210 | (priv->ieee80211->iw_mode == IW_MODE_ADHOC) || |
| 3211 | (priv->ieee80211->iw_mode == IW_MODE_MASTER)) |
| 3212 | return; |
| 3213 | |
| 3214 | if (pPSC->bLeisurePs) |
| 3215 | { |
| 3216 | // Idle for a while if we connect to AP a while ago. |
| 3217 | if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) // 4 Sec |
| 3218 | { |
| 3219 | |
| 3220 | if(priv->ieee80211->ps == IEEE80211_PS_DISABLED) |
| 3221 | { |
| 3222 | MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST); |
| 3223 | |
| 3224 | } |
| 3225 | } |
| 3226 | else |
| 3227 | pPSC->LpsIdleCount++; |
| 3228 | } |
| 3229 | } |
| 3230 | |
| 3231 | |
| 3232 | /* Leave leisure power save mode. */ |
| 3233 | void LeisurePSLeave(struct net_device *dev) |
| 3234 | { |
| 3235 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3236 | PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl)); |
| 3237 | |
| 3238 | if (pPSC->bLeisurePs) |
| 3239 | { |
| 3240 | if(priv->ieee80211->ps != IEEE80211_PS_DISABLED) |
| 3241 | { |
| 3242 | // move to lps_wakecomplete() |
| 3243 | MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_DISABLED); |
| 3244 | |
| 3245 | } |
| 3246 | } |
| 3247 | } |
| 3248 | #endif |
| 3249 | |
| 3250 | |
| 3251 | /* Enter the inactive power save mode. RF will be off */ |
| 3252 | void |
| 3253 | IPSEnter(struct net_device *dev) |
| 3254 | { |
| 3255 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3256 | PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl)); |
| 3257 | RT_RF_POWER_STATE rtState; |
| 3258 | |
| 3259 | if (pPSC->bInactivePs) |
| 3260 | { |
| 3261 | rtState = priv->ieee80211->eRFPowerState; |
| 3262 | // |
| 3263 | // Added by Bruce, 2007-12-25. |
| 3264 | // Do not enter IPS in the following conditions: |
| 3265 | // (1) RF is already OFF or Sleep |
| 3266 | // (2) bSwRfProcessing (indicates the IPS is still under going) |
| 3267 | // (3) Connectted (only disconnected can trigger IPS) |
| 3268 | // (4) IBSS (send Beacon) |
| 3269 | // (5) AP mode (send Beacon) |
| 3270 | // |
| 3271 | if (rtState == eRfOn && !pPSC->bSwRfProcessing |
| 3272 | && (priv->ieee80211->state != IEEE80211_LINKED) ) |
| 3273 | { |
| 3274 | RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n"); |
| 3275 | pPSC->eInactivePowerState = eRfOff; |
| 3276 | // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem)); |
| 3277 | InactivePsWorkItemCallback(dev); |
| 3278 | } |
| 3279 | } |
| 3280 | } |
| 3281 | |
| 3282 | // |
| 3283 | // Description: |
| 3284 | // Leave the inactive power save mode, RF will be on. |
| 3285 | // 2007.08.17, by shien chang. |
| 3286 | // |
| 3287 | void |
| 3288 | IPSLeave(struct net_device *dev) |
| 3289 | { |
| 3290 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3291 | PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl)); |
| 3292 | RT_RF_POWER_STATE rtState; |
| 3293 | |
| 3294 | if (pPSC->bInactivePs) |
| 3295 | { |
| 3296 | rtState = priv->ieee80211->eRFPowerState; |
| 3297 | if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->ieee80211->RfOffReason <= RF_CHANGE_BY_IPS) |
| 3298 | { |
| 3299 | RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n"); |
| 3300 | pPSC->eInactivePowerState = eRfOn; |
| 3301 | InactivePsWorkItemCallback(dev); |
| 3302 | } |
| 3303 | } |
| 3304 | } |
| 3305 | |
| 3306 | void IPSLeave_wq(struct work_struct *work) |
| 3307 | { |
| 3308 | struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ips_leave_wq); |
| 3309 | struct net_device *dev = ieee->dev; |
| 3310 | |
| 3311 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 3312 | down(&priv->ieee80211->ips_sem); |
| 3313 | IPSLeave(dev); |
| 3314 | up(&priv->ieee80211->ips_sem); |
| 3315 | } |
| 3316 | |
| 3317 | void ieee80211_ips_leave_wq(struct net_device *dev) |
| 3318 | { |
| 3319 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 3320 | RT_RF_POWER_STATE rtState; |
| 3321 | rtState = priv->ieee80211->eRFPowerState; |
| 3322 | |
| 3323 | if(priv->ieee80211->PowerSaveControl.bInactivePs){ |
| 3324 | if(rtState == eRfOff){ |
| 3325 | if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS) |
| 3326 | { |
| 3327 | RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__); |
| 3328 | return; |
| 3329 | } |
| 3330 | else{ |
| 3331 | printk("=========>%s(): IPSLeave\n",__FUNCTION__); |
| 3332 | queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq); |
| 3333 | } |
| 3334 | } |
| 3335 | } |
| 3336 | } |
| 3337 | //added by amy 090331 end |
| 3338 | void ieee80211_ips_leave(struct net_device *dev) |
| 3339 | { |
| 3340 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 3341 | down(&priv->ieee80211->ips_sem); |
| 3342 | IPSLeave(dev); |
| 3343 | up(&priv->ieee80211->ips_sem); |
| 3344 | } |
| 3345 | #endif |
| 3346 | |
| 3347 | static void rtl819x_update_rxcounts( |
| 3348 | struct r8192_priv *priv, |
| 3349 | u32* TotalRxBcnNum, |
| 3350 | u32* TotalRxDataNum |
| 3351 | ) |
| 3352 | { |
| 3353 | u16 SlotIndex; |
| 3354 | u8 i; |
| 3355 | |
| 3356 | *TotalRxBcnNum = 0; |
| 3357 | *TotalRxDataNum = 0; |
| 3358 | |
| 3359 | SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum); |
| 3360 | priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod; |
| 3361 | priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod; |
| 3362 | for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){ |
| 3363 | *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i]; |
| 3364 | *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i]; |
| 3365 | } |
| 3366 | } |
| 3367 | |
| 3368 | |
| 3369 | static void rtl819x_watchdog_wqcallback(struct work_struct *work) |
| 3370 | { |
| 3371 | struct delayed_work *dwork = container_of(work,struct delayed_work,work); |
| 3372 | struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq); |
| 3373 | struct net_device *dev = priv->ieee80211->dev; |
| 3374 | struct ieee80211_device* ieee = priv->ieee80211; |
| 3375 | RESET_TYPE ResetType = RESET_TYPE_NORESET; |
| 3376 | bool bBusyTraffic = false; |
| 3377 | bool bEnterPS = false; |
| 3378 | |
| 3379 | if ((!priv->up) || priv->bHwRadioOff) |
| 3380 | return; |
| 3381 | |
| 3382 | if(!priv->up) |
| 3383 | return; |
| 3384 | hal_dm_watchdog(dev); |
| 3385 | #ifdef ENABLE_IPS |
| 3386 | if(ieee->actscanning == false){ |
| 3387 | if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) && |
| 3388 | (ieee->eRFPowerState == eRfOn)&&!ieee->is_set_key && |
| 3389 | (!ieee->proto_stoppping) && !ieee->wx_set_enc){ |
| 3390 | if(ieee->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){ |
| 3391 | IPSEnter(dev); |
| 3392 | } |
| 3393 | } |
| 3394 | } |
| 3395 | #endif |
| 3396 | {//to get busy traffic condition |
| 3397 | if(ieee->state == IEEE80211_LINKED) |
| 3398 | { |
| 3399 | if( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 || |
| 3400 | ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) { |
| 3401 | bBusyTraffic = true; |
| 3402 | } |
| 3403 | |
| 3404 | #ifdef ENABLE_LPS |
| 3405 | //added by amy for Leisure PS |
| 3406 | if( ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) || |
| 3407 | (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) ) |
| 3408 | { |
| 3409 | bEnterPS= false; |
| 3410 | } |
| 3411 | else |
| 3412 | { |
| 3413 | bEnterPS= true; |
| 3414 | } |
| 3415 | |
| 3416 | // LeisurePS only work in infra mode. |
| 3417 | if(bEnterPS) |
| 3418 | { |
| 3419 | LeisurePSEnter(dev); |
| 3420 | } |
| 3421 | else |
| 3422 | { |
| 3423 | LeisurePSLeave(dev); |
| 3424 | } |
| 3425 | #endif |
| 3426 | |
| 3427 | } |
| 3428 | else |
| 3429 | { |
| 3430 | #ifdef ENABLE_LPS |
| 3431 | LeisurePSLeave(dev); |
| 3432 | #endif |
| 3433 | } |
| 3434 | |
| 3435 | ieee->LinkDetectInfo.NumRxOkInPeriod = 0; |
| 3436 | ieee->LinkDetectInfo.NumTxOkInPeriod = 0; |
| 3437 | ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0; |
| 3438 | ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic; |
| 3439 | } |
| 3440 | |
| 3441 | |
| 3442 | //added by amy for AP roaming |
| 3443 | if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA) |
| 3444 | { |
| 3445 | u32 TotalRxBcnNum = 0; |
| 3446 | u32 TotalRxDataNum = 0; |
| 3447 | |
| 3448 | rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum); |
| 3449 | if((TotalRxBcnNum+TotalRxDataNum) == 0) |
| 3450 | { |
| 3451 | if( ieee->eRFPowerState == eRfOff) |
| 3452 | RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__); |
| 3453 | printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__); |
| 3454 | // Dot11d_Reset(dev); |
| 3455 | ieee->state = IEEE80211_ASSOCIATING; |
| 3456 | notify_wx_assoc_event(priv->ieee80211); |
| 3457 | RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid); |
| 3458 | ieee->is_roaming = true; |
| 3459 | ieee->is_set_key = false; |
| 3460 | ieee->link_change(dev); |
| 3461 | queue_work(ieee->wq, &ieee->associate_procedure_wq); |
| 3462 | } |
| 3463 | } |
| 3464 | ieee->LinkDetectInfo.NumRecvBcnInPeriod=0; |
| 3465 | ieee->LinkDetectInfo.NumRecvDataInPeriod=0; |
| 3466 | |
| 3467 | //check if reset the driver |
| 3468 | if (priv->watchdog_check_reset_cnt++ >= 3 && !ieee->is_roaming && |
| 3469 | priv->watchdog_last_time != 1) |
| 3470 | { |
| 3471 | ResetType = rtl819x_ifcheck_resetornot(dev); |
| 3472 | priv->watchdog_check_reset_cnt = 3; |
| 3473 | } |
| 3474 | if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL) |
| 3475 | { |
| 3476 | priv->ResetProgress = RESET_TYPE_NORMAL; |
| 3477 | RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__); |
| 3478 | return; |
| 3479 | } |
| 3480 | /* disable silent reset temply 2008.9.11*/ |
| 3481 | |
| 3482 | if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo |
| 3483 | { |
| 3484 | priv->watchdog_last_time = 1; |
| 3485 | } |
| 3486 | else |
| 3487 | priv->watchdog_last_time = 0; |
| 3488 | |
| 3489 | priv->force_reset = false; |
| 3490 | priv->bForcedSilentReset = false; |
| 3491 | priv->bResetInProgress = false; |
| 3492 | RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n"); |
| 3493 | |
| 3494 | } |
| 3495 | |
| 3496 | void watch_dog_timer_callback(unsigned long data) |
| 3497 | { |
| 3498 | struct r8192_priv *priv = ieee80211_priv((struct net_device *) data); |
| 3499 | queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0); |
| 3500 | mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME)); |
| 3501 | |
| 3502 | } |
| 3503 | |
| 3504 | static int _rtl8192_up(struct net_device *dev) |
| 3505 | { |
| 3506 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3507 | RT_STATUS init_status = RT_STATUS_SUCCESS; |
| 3508 | priv->up=1; |
| 3509 | priv->ieee80211->ieee_up=1; |
| 3510 | priv->bdisable_nic = false; //YJ,add,091111 |
| 3511 | RT_TRACE(COMP_INIT, "Bringing up iface\n"); |
| 3512 | |
| 3513 | init_status = rtl8192_adapter_start(dev); |
| 3514 | if(init_status != RT_STATUS_SUCCESS) |
| 3515 | { |
| 3516 | RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__); |
| 3517 | return -1; |
| 3518 | } |
| 3519 | RT_TRACE(COMP_INIT, "start adapter finished\n"); |
| 3520 | |
| 3521 | if(priv->ieee80211->eRFPowerState!=eRfOn) |
| 3522 | MgntActSet_RF_State(dev, eRfOn, priv->ieee80211->RfOffReason); |
| 3523 | |
| 3524 | if(priv->ieee80211->state != IEEE80211_LINKED) |
| 3525 | ieee80211_softmac_start_protocol(priv->ieee80211); |
| 3526 | ieee80211_reset_queue(priv->ieee80211); |
| 3527 | watch_dog_timer_callback((unsigned long) dev); |
| 3528 | if(!netif_queue_stopped(dev)) |
| 3529 | netif_start_queue(dev); |
| 3530 | else |
| 3531 | netif_wake_queue(dev); |
| 3532 | |
| 3533 | return 0; |
| 3534 | } |
| 3535 | |
| 3536 | |
| 3537 | static int rtl8192_open(struct net_device *dev) |
| 3538 | { |
| 3539 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3540 | int ret; |
| 3541 | |
| 3542 | down(&priv->wx_sem); |
| 3543 | ret = rtl8192_up(dev); |
| 3544 | up(&priv->wx_sem); |
| 3545 | return ret; |
| 3546 | |
| 3547 | } |
| 3548 | |
| 3549 | |
| 3550 | int rtl8192_up(struct net_device *dev) |
| 3551 | { |
| 3552 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3553 | |
| 3554 | if (priv->up == 1) return -1; |
| 3555 | |
| 3556 | return _rtl8192_up(dev); |
| 3557 | } |
| 3558 | |
| 3559 | |
| 3560 | static int rtl8192_close(struct net_device *dev) |
| 3561 | { |
| 3562 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3563 | int ret; |
| 3564 | |
| 3565 | down(&priv->wx_sem); |
| 3566 | |
| 3567 | ret = rtl8192_down(dev); |
| 3568 | |
| 3569 | up(&priv->wx_sem); |
| 3570 | |
| 3571 | return ret; |
| 3572 | |
| 3573 | } |
| 3574 | |
| 3575 | int rtl8192_down(struct net_device *dev) |
| 3576 | { |
| 3577 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3578 | |
| 3579 | if (priv->up == 0) return -1; |
| 3580 | |
| 3581 | #ifdef ENABLE_LPS |
| 3582 | //LZM for PS-Poll AID issue. 090429 |
| 3583 | if(priv->ieee80211->state == IEEE80211_LINKED) |
| 3584 | LeisurePSLeave(dev); |
| 3585 | #endif |
| 3586 | |
| 3587 | priv->up=0; |
| 3588 | priv->ieee80211->ieee_up = 0; |
| 3589 | RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__); |
| 3590 | /* FIXME */ |
| 3591 | if (!netif_queue_stopped(dev)) |
| 3592 | netif_stop_queue(dev); |
| 3593 | |
| 3594 | rtl8192_irq_disable(dev); |
| 3595 | rtl8192_cancel_deferred_work(priv); |
| 3596 | deinit_hal_dm(dev); |
| 3597 | del_timer_sync(&priv->watch_dog_timer); |
| 3598 | |
| 3599 | ieee80211_softmac_stop_protocol(priv->ieee80211,true); |
| 3600 | |
| 3601 | rtl8192_halt_adapter(dev,false); |
| 3602 | memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list)); |
| 3603 | |
| 3604 | RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__); |
| 3605 | |
| 3606 | return 0; |
| 3607 | } |
| 3608 | |
| 3609 | |
| 3610 | void rtl8192_commit(struct net_device *dev) |
| 3611 | { |
| 3612 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3613 | |
| 3614 | if (priv->up == 0) return ; |
| 3615 | |
| 3616 | |
| 3617 | ieee80211_softmac_stop_protocol(priv->ieee80211,true); |
| 3618 | |
| 3619 | rtl8192_irq_disable(dev); |
| 3620 | rtl8192_halt_adapter(dev,true); |
| 3621 | _rtl8192_up(dev); |
| 3622 | } |
| 3623 | |
| 3624 | static void rtl8192_restart(struct work_struct *work) |
| 3625 | { |
| 3626 | struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq); |
| 3627 | struct net_device *dev = priv->ieee80211->dev; |
| 3628 | |
| 3629 | down(&priv->wx_sem); |
| 3630 | |
| 3631 | rtl8192_commit(dev); |
| 3632 | |
| 3633 | up(&priv->wx_sem); |
| 3634 | } |
| 3635 | |
| 3636 | static void r8192_set_multicast(struct net_device *dev) |
| 3637 | { |
| 3638 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3639 | |
| 3640 | priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0; |
| 3641 | } |
| 3642 | |
| 3643 | |
| 3644 | static int r8192_set_mac_adr(struct net_device *dev, void *mac) |
| 3645 | { |
| 3646 | struct r8192_priv *priv = ieee80211_priv(dev); |
| 3647 | struct sockaddr *addr = mac; |
| 3648 | |
| 3649 | down(&priv->wx_sem); |
| 3650 | |
| 3651 | memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); |
| 3652 | |
| 3653 | schedule_work(&priv->reset_wq); |
| 3654 | up(&priv->wx_sem); |
| 3655 | |
| 3656 | return 0; |
| 3657 | } |
| 3658 | |
| 3659 | static void r8192e_set_hw_key(struct r8192_priv *priv, struct ieee_param *ipw) |
| 3660 | { |
| 3661 | struct ieee80211_device *ieee = priv->ieee80211; |
| 3662 | struct net_device *dev = priv->ieee80211->dev; |
| 3663 | u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff}; |
| 3664 | u32 key[4]; |
| 3665 | |
| 3666 | if (ipw->u.crypt.set_tx) { |
| 3667 | if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) |
| 3668 | ieee->pairwise_key_type = KEY_TYPE_CCMP; |
| 3669 | else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) |
| 3670 | ieee->pairwise_key_type = KEY_TYPE_TKIP; |
| 3671 | else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) { |
| 3672 | if (ipw->u.crypt.key_len == 13) |
| 3673 | ieee->pairwise_key_type = KEY_TYPE_WEP104; |
| 3674 | else if (ipw->u.crypt.key_len == 5) |
| 3675 | ieee->pairwise_key_type = KEY_TYPE_WEP40; |
| 3676 | } else |
| 3677 | ieee->pairwise_key_type = KEY_TYPE_NA; |
| 3678 | |
| 3679 | if (ieee->pairwise_key_type) { |
| 3680 | memcpy(key, ipw->u.crypt.key, 16); |
| 3681 | EnableHWSecurityConfig8192(dev); |
| 3682 | /* |
| 3683 | * We fill both index entry and 4th entry for pairwise |
| 3684 | * key as in IPW interface, adhoc will only get here, |
| 3685 | * so we need index entry for its default key serching! |
| 3686 | */ |
| 3687 | setKey(dev, 4, ipw->u.crypt.idx, |
| 3688 | ieee->pairwise_key_type, |
| 3689 | (u8*)ieee->ap_mac_addr, 0, key); |
| 3690 | |
| 3691 | /* LEAP WEP will never set this. */ |
| 3692 | if (ieee->auth_mode != 2) |
| 3693 | setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, |
| 3694 | ieee->pairwise_key_type, |
| 3695 | (u8*)ieee->ap_mac_addr, 0, key); |
| 3696 | } |
| 3697 | if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && |
| 3698 | ieee->pHTInfo->bCurrentHTSupport) { |
| 3699 | write_nic_byte(priv, 0x173, 1); /* fix aes bug */ |
| 3700 | } |
| 3701 | } else { |
| 3702 | memcpy(key, ipw->u.crypt.key, 16); |
| 3703 | if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) |
| 3704 | ieee->group_key_type= KEY_TYPE_CCMP; |
| 3705 | else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) |
| 3706 | ieee->group_key_type = KEY_TYPE_TKIP; |
| 3707 | else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) { |
| 3708 | if (ipw->u.crypt.key_len == 13) |
| 3709 | ieee->group_key_type = KEY_TYPE_WEP104; |
| 3710 | else if (ipw->u.crypt.key_len == 5) |
| 3711 | ieee->group_key_type = KEY_TYPE_WEP40; |
| 3712 | } else |
| 3713 | ieee->group_key_type = KEY_TYPE_NA; |
| 3714 | |
| 3715 | if (ieee->group_key_type) { |
| 3716 | setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, |
| 3717 | ieee->group_key_type, broadcast_addr, 0, key); |
| 3718 | } |
| 3719 | } |
| 3720 | } |
| 3721 | |
| 3722 | /* based on ipw2200 driver */ |
| 3723 | static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) |
| 3724 | { |
| 3725 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 3726 | struct iwreq *wrq = (struct iwreq *)rq; |
| 3727 | int ret=-1; |
| 3728 | struct iw_point *p = &wrq->u.data; |
| 3729 | struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer; |
| 3730 | |
| 3731 | down(&priv->wx_sem); |
| 3732 | |
| 3733 | |
| 3734 | if (p->length < sizeof(struct ieee_param) || !p->pointer){ |
| 3735 | ret = -EINVAL; |
| 3736 | goto out; |
| 3737 | } |
| 3738 | |
| 3739 | ipw = kmalloc(p->length, GFP_KERNEL); |
| 3740 | if (ipw == NULL){ |
| 3741 | ret = -ENOMEM; |
| 3742 | goto out; |
| 3743 | } |
| 3744 | if (copy_from_user(ipw, p->pointer, p->length)) { |
| 3745 | kfree(ipw); |
| 3746 | ret = -EFAULT; |
| 3747 | goto out; |
| 3748 | } |
| 3749 | |
| 3750 | switch (cmd) { |
| 3751 | case RTL_IOCTL_WPA_SUPPLICANT: |
| 3752 | /* parse here for HW security */ |
| 3753 | if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) |
| 3754 | r8192e_set_hw_key(priv, ipw); |
| 3755 | ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data); |
| 3756 | break; |
| 3757 | |
| 3758 | default: |
| 3759 | ret = -EOPNOTSUPP; |
| 3760 | break; |
| 3761 | } |
| 3762 | |
| 3763 | kfree(ipw); |
| 3764 | out: |
| 3765 | up(&priv->wx_sem); |
| 3766 | |
| 3767 | return ret; |
| 3768 | } |
| 3769 | |
| 3770 | static u8 HwRateToMRate90(bool bIsHT, u8 rate) |
| 3771 | { |
| 3772 | u8 ret_rate = 0x02; |
| 3773 | |
| 3774 | if(!bIsHT) { |
| 3775 | switch(rate) { |
| 3776 | case DESC90_RATE1M: ret_rate = MGN_1M; break; |
| 3777 | case DESC90_RATE2M: ret_rate = MGN_2M; break; |
| 3778 | case DESC90_RATE5_5M: ret_rate = MGN_5_5M; break; |
| 3779 | case DESC90_RATE11M: ret_rate = MGN_11M; break; |
| 3780 | case DESC90_RATE6M: ret_rate = MGN_6M; break; |
| 3781 | case DESC90_RATE9M: ret_rate = MGN_9M; break; |
| 3782 | case DESC90_RATE12M: ret_rate = MGN_12M; break; |
| 3783 | case DESC90_RATE18M: ret_rate = MGN_18M; break; |
| 3784 | case DESC90_RATE24M: ret_rate = MGN_24M; break; |
| 3785 | case DESC90_RATE36M: ret_rate = MGN_36M; break; |
| 3786 | case DESC90_RATE48M: ret_rate = MGN_48M; break; |
| 3787 | case DESC90_RATE54M: ret_rate = MGN_54M; break; |
| 3788 | |
| 3789 | default: |
| 3790 | RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT); |
| 3791 | break; |
| 3792 | } |
| 3793 | |
| 3794 | } else { |
| 3795 | switch(rate) { |
| 3796 | case DESC90_RATEMCS0: ret_rate = MGN_MCS0; break; |
| 3797 | case DESC90_RATEMCS1: ret_rate = MGN_MCS1; break; |
| 3798 | case DESC90_RATEMCS2: ret_rate = MGN_MCS2; break; |
| 3799 | case DESC90_RATEMCS3: ret_rate = MGN_MCS3; break; |
| 3800 | case DESC90_RATEMCS4: ret_rate = MGN_MCS4; break; |
| 3801 | case DESC90_RATEMCS5: ret_rate = MGN_MCS5; break; |
| 3802 | case DESC90_RATEMCS6: ret_rate = MGN_MCS6; break; |
| 3803 | case DESC90_RATEMCS7: ret_rate = MGN_MCS7; break; |
| 3804 | case DESC90_RATEMCS8: ret_rate = MGN_MCS8; break; |
| 3805 | case DESC90_RATEMCS9: ret_rate = MGN_MCS9; break; |
| 3806 | case DESC90_RATEMCS10: ret_rate = MGN_MCS10; break; |
| 3807 | case DESC90_RATEMCS11: ret_rate = MGN_MCS11; break; |
| 3808 | case DESC90_RATEMCS12: ret_rate = MGN_MCS12; break; |
| 3809 | case DESC90_RATEMCS13: ret_rate = MGN_MCS13; break; |
| 3810 | case DESC90_RATEMCS14: ret_rate = MGN_MCS14; break; |
| 3811 | case DESC90_RATEMCS15: ret_rate = MGN_MCS15; break; |
| 3812 | case DESC90_RATEMCS32: ret_rate = (0x80|0x20); break; |
| 3813 | |
| 3814 | default: |
| 3815 | RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT); |
| 3816 | break; |
| 3817 | } |
| 3818 | } |
| 3819 | |
| 3820 | return ret_rate; |
| 3821 | } |
| 3822 | |
| 3823 | /* Record the TSF time stamp when receiving a packet */ |
| 3824 | static void UpdateRxPktTimeStamp8190 (struct net_device *dev, struct ieee80211_rx_stats *stats) |
| 3825 | { |
| 3826 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 3827 | |
| 3828 | if(stats->bIsAMPDU && !stats->bFirstMPDU) { |
| 3829 | stats->mac_time[0] = priv->LastRxDescTSFLow; |
| 3830 | stats->mac_time[1] = priv->LastRxDescTSFHigh; |
| 3831 | } else { |
| 3832 | priv->LastRxDescTSFLow = stats->mac_time[0]; |
| 3833 | priv->LastRxDescTSFHigh = stats->mac_time[1]; |
| 3834 | } |
| 3835 | } |
| 3836 | |
| 3837 | static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index. |
| 3838 | { |
| 3839 | long signal_power; // in dBm. |
| 3840 | |
| 3841 | // Translate to dBm (x=0.5y-95). |
| 3842 | signal_power = (long)((signal_strength_index + 1) >> 1); |
| 3843 | signal_power -= 95; |
| 3844 | |
| 3845 | return signal_power; |
| 3846 | } |
| 3847 | |
| 3848 | /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to |
| 3849 | be a local static. Otherwise, it may increase when we return from S3/S4. The |
| 3850 | value will be kept in memory or disk. We must delcare the value in adapter |
| 3851 | and it will be reinitialized when return from S3/S4. */ |
| 3852 | static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats) |
| 3853 | { |
| 3854 | bool bcheck = false; |
| 3855 | u8 rfpath; |
| 3856 | u32 nspatial_stream, tmp_val; |
| 3857 | static u32 slide_rssi_index=0, slide_rssi_statistics=0; |
| 3858 | static u32 slide_evm_index=0, slide_evm_statistics=0; |
| 3859 | static u32 last_rssi=0, last_evm=0; |
| 3860 | //cosa add for beacon rssi smoothing |
| 3861 | static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0; |
| 3862 | static u32 last_beacon_adc_pwdb=0; |
| 3863 | |
| 3864 | struct ieee80211_hdr_3addr *hdr; |
| 3865 | u16 sc ; |
| 3866 | unsigned int frag,seq; |
| 3867 | hdr = (struct ieee80211_hdr_3addr *)buffer; |
| 3868 | sc = le16_to_cpu(hdr->seq_ctl); |
| 3869 | frag = WLAN_GET_SEQ_FRAG(sc); |
| 3870 | seq = WLAN_GET_SEQ_SEQ(sc); |
| 3871 | //cosa add 04292008 to record the sequence number |
| 3872 | pcurrent_stats->Seq_Num = seq; |
| 3873 | // |
| 3874 | // Check whether we should take the previous packet into accounting |
| 3875 | // |
| 3876 | if(!pprevious_stats->bIsAMPDU) |
| 3877 | { |
| 3878 | // if previous packet is not aggregated packet |
| 3879 | bcheck = true; |
| 3880 | } |
| 3881 | |
| 3882 | if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) |
| 3883 | { |
| 3884 | slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX; |
| 3885 | last_rssi = priv->stats.slide_signal_strength[slide_rssi_index]; |
| 3886 | priv->stats.slide_rssi_total -= last_rssi; |
| 3887 | } |
| 3888 | priv->stats.slide_rssi_total += pprevious_stats->SignalStrength; |
| 3889 | |
| 3890 | priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength; |
| 3891 | if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX) |
| 3892 | slide_rssi_index = 0; |
| 3893 | |
| 3894 | // <1> Showed on UI for user, in dbm |
| 3895 | tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics; |
| 3896 | priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val); |
| 3897 | pcurrent_stats->rssi = priv->stats.signal_strength; |
| 3898 | // |
| 3899 | // If the previous packet does not match the criteria, neglect it |
| 3900 | // |
| 3901 | if(!pprevious_stats->bPacketMatchBSSID) |
| 3902 | { |
| 3903 | if(!pprevious_stats->bToSelfBA) |
| 3904 | return; |
| 3905 | } |
| 3906 | |
| 3907 | if(!bcheck) |
| 3908 | return; |
| 3909 | |
| 3910 | // <2> Showed on UI for engineering |
| 3911 | // hardware does not provide rssi information for each rf path in CCK |
| 3912 | if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf) |
| 3913 | { |
| 3914 | for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++) |
| 3915 | { |
| 3916 | if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, rfpath)) |
| 3917 | continue; |
| 3918 | RT_TRACE(COMP_DBG, "pPreviousstats->RxMIMOSignalStrength[rfpath] = %d\n", pprevious_stats->RxMIMOSignalStrength[rfpath]); |
| 3919 | //Fixed by Jacken 2008-03-20 |
| 3920 | if(priv->stats.rx_rssi_percentage[rfpath] == 0) |
| 3921 | { |
| 3922 | priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath]; |
| 3923 | } |
| 3924 | if(pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath]) |
| 3925 | { |
| 3926 | priv->stats.rx_rssi_percentage[rfpath] = |
| 3927 | ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) + |
| 3928 | (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor); |
| 3929 | priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1; |
| 3930 | } |
| 3931 | else |
| 3932 | { |
| 3933 | priv->stats.rx_rssi_percentage[rfpath] = |
| 3934 | ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) + |
| 3935 | (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor); |
| 3936 | } |
| 3937 | RT_TRACE(COMP_DBG, "priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" , priv->stats.rx_rssi_percentage[rfpath]); |
| 3938 | } |
| 3939 | } |
| 3940 | |
| 3941 | |
| 3942 | // |
| 3943 | // Check PWDB. |
| 3944 | // |
| 3945 | //cosa add for beacon rssi smoothing by average. |
| 3946 | if(pprevious_stats->bPacketBeacon) |
| 3947 | { |
| 3948 | /* record the beacon pwdb to the sliding window. */ |
| 3949 | if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) |
| 3950 | { |
| 3951 | slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX; |
| 3952 | last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index]; |
| 3953 | priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb; |
| 3954 | // slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total); |
| 3955 | } |
| 3956 | priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll; |
| 3957 | priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll; |
| 3958 | slide_beacon_adc_pwdb_index++; |
| 3959 | if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX) |
| 3960 | slide_beacon_adc_pwdb_index = 0; |
| 3961 | pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics; |
| 3962 | if(pprevious_stats->RxPWDBAll >= 3) |
| 3963 | pprevious_stats->RxPWDBAll -= 3; |
| 3964 | } |
| 3965 | |
| 3966 | RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n", |
| 3967 | pprevious_stats->bIsCCK? "CCK": "OFDM", |
| 3968 | pprevious_stats->RxPWDBAll); |
| 3969 | |
| 3970 | if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA) |
| 3971 | { |
| 3972 | if(priv->undecorated_smoothed_pwdb < 0) // initialize |
| 3973 | { |
| 3974 | priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll; |
| 3975 | } |
| 3976 | |
| 3977 | if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) |
| 3978 | { |
| 3979 | priv->undecorated_smoothed_pwdb = |
| 3980 | ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) + |
| 3981 | (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor); |
| 3982 | priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1; |
| 3983 | } |
| 3984 | else |
| 3985 | { |
| 3986 | priv->undecorated_smoothed_pwdb = |
| 3987 | ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) + |
| 3988 | (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor); |
| 3989 | } |
| 3990 | } |
| 3991 | |
| 3992 | // |
| 3993 | // Check EVM |
| 3994 | // |
| 3995 | /* record the general EVM to the sliding window. */ |
| 3996 | if(pprevious_stats->SignalQuality == 0) |
| 3997 | { |
| 3998 | } |
| 3999 | else |
| 4000 | { |
| 4001 | if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){ |
| 4002 | if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){ |
| 4003 | slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX; |
| 4004 | last_evm = priv->stats.slide_evm[slide_evm_index]; |
| 4005 | priv->stats.slide_evm_total -= last_evm; |
| 4006 | } |
| 4007 | |
| 4008 | priv->stats.slide_evm_total += pprevious_stats->SignalQuality; |
| 4009 | |
| 4010 | priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality; |
| 4011 | if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX) |
| 4012 | slide_evm_index = 0; |
| 4013 | |
| 4014 | // <1> Showed on UI for user, in percentage. |
| 4015 | tmp_val = priv->stats.slide_evm_total/slide_evm_statistics; |
| 4016 | //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality. |
| 4017 | } |
| 4018 | |
| 4019 | // <2> Showed on UI for engineering |
| 4020 | if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA) |
| 4021 | { |
| 4022 | for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream |
| 4023 | { |
| 4024 | if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) |
| 4025 | { |
| 4026 | if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize |
| 4027 | { |
| 4028 | priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream]; |
| 4029 | } |
| 4030 | priv->stats.rx_evm_percentage[nspatial_stream] = |
| 4031 | ( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) + |
| 4032 | (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor); |
| 4033 | } |
| 4034 | } |
| 4035 | } |
| 4036 | } |
| 4037 | |
| 4038 | } |
| 4039 | |
| 4040 | static u8 rtl819x_query_rxpwrpercentage( |
| 4041 | char antpower |
| 4042 | ) |
| 4043 | { |
| 4044 | if ((antpower <= -100) || (antpower >= 20)) |
| 4045 | { |
| 4046 | return 0; |
| 4047 | } |
| 4048 | else if (antpower >= 0) |
| 4049 | { |
| 4050 | return 100; |
| 4051 | } |
| 4052 | else |
| 4053 | { |
| 4054 | return (100+antpower); |
| 4055 | } |
| 4056 | |
| 4057 | } |
| 4058 | |
| 4059 | static u8 |
| 4060 | rtl819x_evm_dbtopercentage( |
| 4061 | char value |
| 4062 | ) |
| 4063 | { |
| 4064 | char ret_val; |
| 4065 | |
| 4066 | ret_val = value; |
| 4067 | |
| 4068 | if(ret_val >= 0) |
| 4069 | ret_val = 0; |
| 4070 | if(ret_val <= -33) |
| 4071 | ret_val = -33; |
| 4072 | ret_val = 0 - ret_val; |
| 4073 | ret_val*=3; |
| 4074 | if(ret_val == 99) |
| 4075 | ret_val = 100; |
| 4076 | return ret_val; |
| 4077 | } |
| 4078 | |
| 4079 | /* We want good-looking for signal strength/quality */ |
| 4080 | static long rtl819x_signal_scale_mapping(long currsig) |
| 4081 | { |
| 4082 | long retsig; |
| 4083 | |
| 4084 | // Step 1. Scale mapping. |
| 4085 | if(currsig >= 61 && currsig <= 100) |
| 4086 | { |
| 4087 | retsig = 90 + ((currsig - 60) / 4); |
| 4088 | } |
| 4089 | else if(currsig >= 41 && currsig <= 60) |
| 4090 | { |
| 4091 | retsig = 78 + ((currsig - 40) / 2); |
| 4092 | } |
| 4093 | else if(currsig >= 31 && currsig <= 40) |
| 4094 | { |
| 4095 | retsig = 66 + (currsig - 30); |
| 4096 | } |
| 4097 | else if(currsig >= 21 && currsig <= 30) |
| 4098 | { |
| 4099 | retsig = 54 + (currsig - 20); |
| 4100 | } |
| 4101 | else if(currsig >= 5 && currsig <= 20) |
| 4102 | { |
| 4103 | retsig = 42 + (((currsig - 5) * 2) / 3); |
| 4104 | } |
| 4105 | else if(currsig == 4) |
| 4106 | { |
| 4107 | retsig = 36; |
| 4108 | } |
| 4109 | else if(currsig == 3) |
| 4110 | { |
| 4111 | retsig = 27; |
| 4112 | } |
| 4113 | else if(currsig == 2) |
| 4114 | { |
| 4115 | retsig = 18; |
| 4116 | } |
| 4117 | else if(currsig == 1) |
| 4118 | { |
| 4119 | retsig = 9; |
| 4120 | } |
| 4121 | else |
| 4122 | { |
| 4123 | retsig = currsig; |
| 4124 | } |
| 4125 | |
| 4126 | return retsig; |
| 4127 | } |
| 4128 | |
| 4129 | static void rtl8192_query_rxphystatus( |
| 4130 | struct r8192_priv * priv, |
| 4131 | struct ieee80211_rx_stats * pstats, |
| 4132 | prx_desc_819x_pci pdesc, |
| 4133 | prx_fwinfo_819x_pci pdrvinfo, |
| 4134 | struct ieee80211_rx_stats * precord_stats, |
| 4135 | bool bpacket_match_bssid, |
| 4136 | bool bpacket_toself, |
| 4137 | bool bPacketBeacon, |
| 4138 | bool bToSelfBA |
| 4139 | ) |
| 4140 | { |
| 4141 | //PRT_RFD_STATUS pRtRfdStatus = &(pRfd->Status); |
| 4142 | phy_sts_ofdm_819xpci_t* pofdm_buf; |
| 4143 | phy_sts_cck_819xpci_t * pcck_buf; |
| 4144 | phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc; |
| 4145 | u8 *prxpkt; |
| 4146 | u8 i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg; |
| 4147 | char rx_pwr[4], rx_pwr_all=0; |
| 4148 | //long rx_avg_pwr = 0; |
| 4149 | char rx_snrX, rx_evmX; |
| 4150 | u8 evm, pwdb_all; |
| 4151 | u32 RSSI, total_rssi=0;//, total_evm=0; |
| 4152 | // long signal_strength_index = 0; |
| 4153 | u8 is_cck_rate=0; |
| 4154 | u8 rf_rx_num = 0; |
| 4155 | |
| 4156 | is_cck_rate = rx_hal_is_cck_rate(pdrvinfo); |
| 4157 | |
| 4158 | // Record it for next packet processing |
| 4159 | memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats)); |
| 4160 | pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid; |
| 4161 | pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself; |
| 4162 | pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo); |
| 4163 | pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon; |
| 4164 | pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA; |
| 4165 | /*2007.08.30 requested by SD3 Jerry */ |
| 4166 | if (priv->phy_check_reg824 == 0) |
| 4167 | { |
| 4168 | priv->phy_reg824_bit9 = rtl8192_QueryBBReg(priv->ieee80211->dev, rFPGA0_XA_HSSIParameter2, 0x200); |
| 4169 | priv->phy_check_reg824 = 1; |
| 4170 | } |
| 4171 | |
| 4172 | |
| 4173 | prxpkt = (u8*)pdrvinfo; |
| 4174 | |
| 4175 | /* Move pointer to the 16th bytes. Phy status start address. */ |
| 4176 | prxpkt += sizeof(rx_fwinfo_819x_pci); |
| 4177 | |
| 4178 | /* Initial the cck and ofdm buffer pointer */ |
| 4179 | pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt; |
| 4180 | pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt; |
| 4181 | |
| 4182 | pstats->RxMIMOSignalQuality[0] = -1; |
| 4183 | pstats->RxMIMOSignalQuality[1] = -1; |
| 4184 | precord_stats->RxMIMOSignalQuality[0] = -1; |
| 4185 | precord_stats->RxMIMOSignalQuality[1] = -1; |
| 4186 | |
| 4187 | if(is_cck_rate) |
| 4188 | { |
| 4189 | // |
| 4190 | // (1)Hardware does not provide RSSI for CCK |
| 4191 | // |
| 4192 | |
| 4193 | // |
| 4194 | // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) |
| 4195 | // |
| 4196 | u8 report;//, cck_agc_rpt; |
| 4197 | |
| 4198 | if (!priv->phy_reg824_bit9) |
| 4199 | { |
| 4200 | report = pcck_buf->cck_agc_rpt & 0xc0; |
| 4201 | report = report>>6; |
| 4202 | switch(report) |
| 4203 | { |
| 4204 | //Fixed by Jacken from Bryant 2008-03-20 |
| 4205 | //Original value is -38 , -26 , -14 , -2 |
| 4206 | //Fixed value is -35 , -23 , -11 , 6 |
| 4207 | case 0x3: |
| 4208 | rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e); |
| 4209 | break; |
| 4210 | case 0x2: |
| 4211 | rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e); |
| 4212 | break; |
| 4213 | case 0x1: |
| 4214 | rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e); |
| 4215 | break; |
| 4216 | case 0x0: |
| 4217 | rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e); |
| 4218 | break; |
| 4219 | } |
| 4220 | } |
| 4221 | else |
| 4222 | { |
| 4223 | report = pcck_buf->cck_agc_rpt & 0x60; |
| 4224 | report = report>>5; |
| 4225 | switch(report) |
| 4226 | { |
| 4227 | case 0x3: |
| 4228 | rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ; |
| 4229 | break; |
| 4230 | case 0x2: |
| 4231 | rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1); |
| 4232 | break; |
| 4233 | case 0x1: |
| 4234 | rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ; |
| 4235 | break; |
| 4236 | case 0x0: |
| 4237 | rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ; |
| 4238 | break; |
| 4239 | } |
| 4240 | } |
| 4241 | |
| 4242 | pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all); |
| 4243 | pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all; |
| 4244 | pstats->RecvSignalPower = rx_pwr_all; |
| 4245 | |
| 4246 | // |
| 4247 | // (3) Get Signal Quality (EVM) |
| 4248 | // |
| 4249 | if(bpacket_match_bssid) |
| 4250 | { |
| 4251 | u8 sq; |
| 4252 | |
| 4253 | if(pstats->RxPWDBAll > 40) |
| 4254 | { |
| 4255 | sq = 100; |
| 4256 | }else |
| 4257 | { |
| 4258 | sq = pcck_buf->sq_rpt; |
| 4259 | |
| 4260 | if(pcck_buf->sq_rpt > 64) |
| 4261 | sq = 0; |
| 4262 | else if (pcck_buf->sq_rpt < 20) |
| 4263 | sq = 100; |
| 4264 | else |
| 4265 | sq = ((64-sq) * 100) / 44; |
| 4266 | } |
| 4267 | pstats->SignalQuality = precord_stats->SignalQuality = sq; |
| 4268 | pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq; |
| 4269 | pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1; |
| 4270 | } |
| 4271 | } |
| 4272 | else |
| 4273 | { |
| 4274 | // |
| 4275 | // (1)Get RSSI for HT rate |
| 4276 | // |
| 4277 | for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++) |
| 4278 | { |
| 4279 | // 2008/01/30 MH we will judge RF RX path now. |
| 4280 | if (priv->brfpath_rxenable[i]) |
| 4281 | rf_rx_num++; |
| 4282 | //else |
| 4283 | //continue; |
| 4284 | |
| 4285 | //Fixed by Jacken from Bryant 2008-03-20 |
| 4286 | //Original value is 106 |
| 4287 | rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110; |
| 4288 | |
| 4289 | //Get Rx snr value in DB |
| 4290 | tmp_rxsnr = pofdm_buf->rxsnr_X[i]; |
| 4291 | rx_snrX = (char)(tmp_rxsnr); |
| 4292 | rx_snrX /= 2; |
| 4293 | |
| 4294 | /* Translate DBM to percentage. */ |
| 4295 | RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]); |
| 4296 | if (priv->brfpath_rxenable[i]) |
| 4297 | total_rssi += RSSI; |
| 4298 | |
| 4299 | /* Record Signal Strength for next packet */ |
| 4300 | if(bpacket_match_bssid) |
| 4301 | { |
| 4302 | pstats->RxMIMOSignalStrength[i] =(u8) RSSI; |
| 4303 | precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI; |
| 4304 | } |
| 4305 | } |
| 4306 | |
| 4307 | |
| 4308 | // |
| 4309 | // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) |
| 4310 | // |
| 4311 | //Fixed by Jacken from Bryant 2008-03-20 |
| 4312 | //Original value is 106 |
| 4313 | rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106; |
| 4314 | pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all); |
| 4315 | |
| 4316 | pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all; |
| 4317 | pstats->RxPower = precord_stats->RxPower = rx_pwr_all; |
| 4318 | pstats->RecvSignalPower = rx_pwr_all; |
| 4319 | // |
| 4320 | // (3)EVM of HT rate |
| 4321 | // |
| 4322 | if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 && |
| 4323 | pdrvinfo->RxRate<=DESC90_RATEMCS15) |
| 4324 | max_spatial_stream = 2; //both spatial stream make sense |
| 4325 | else |
| 4326 | max_spatial_stream = 1; //only spatial stream 1 makes sense |
| 4327 | |
| 4328 | for(i=0; i<max_spatial_stream; i++) |
| 4329 | { |
| 4330 | tmp_rxevm = pofdm_buf->rxevm_X[i]; |
| 4331 | rx_evmX = (char)(tmp_rxevm); |
| 4332 | |
| 4333 | // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment |
| 4334 | // fill most significant bit to "zero" when doing shifting operation which may change a negative |
| 4335 | // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore. |
| 4336 | rx_evmX /= 2; //dbm |
| 4337 | |
| 4338 | evm = rtl819x_evm_dbtopercentage(rx_evmX); |
| 4339 | if(bpacket_match_bssid) |
| 4340 | { |
| 4341 | if(i==0) // Fill value in RFD, Get the first spatial stream only |
| 4342 | pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff); |
| 4343 | pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff); |
| 4344 | } |
| 4345 | } |
| 4346 | |
| 4347 | |
| 4348 | /* record rx statistics for debug */ |
| 4349 | rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg; |
| 4350 | prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg; |
| 4351 | } |
| 4352 | |
| 4353 | //UI BSS List signal strength(in percentage), make it good looking, from 0~100. |
| 4354 | //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp(). |
| 4355 | if(is_cck_rate) |
| 4356 | { |
| 4357 | pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL; |
| 4358 | |
| 4359 | } |
| 4360 | else |
| 4361 | { |
| 4362 | //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX); |
| 4363 | // We can judge RX path number now. |
| 4364 | if (rf_rx_num != 0) |
| 4365 | pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num))); |
| 4366 | } |
| 4367 | } |
| 4368 | |
| 4369 | static void |
| 4370 | rtl8192_record_rxdesc_forlateruse( |
| 4371 | struct ieee80211_rx_stats * psrc_stats, |
| 4372 | struct ieee80211_rx_stats * ptarget_stats |
| 4373 | ) |
| 4374 | { |
| 4375 | ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU; |
| 4376 | ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU; |
| 4377 | //ptarget_stats->Seq_Num = psrc_stats->Seq_Num; |
| 4378 | } |
| 4379 | |
| 4380 | |
| 4381 | |
| 4382 | static void TranslateRxSignalStuff819xpci(struct net_device *dev, |
| 4383 | struct sk_buff *skb, |
| 4384 | struct ieee80211_rx_stats * pstats, |
| 4385 | prx_desc_819x_pci pdesc, |
| 4386 | prx_fwinfo_819x_pci pdrvinfo) |
| 4387 | { |
| 4388 | // TODO: We must only check packet for current MAC address. Not finish |
| 4389 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 4390 | bool bpacket_match_bssid, bpacket_toself; |
| 4391 | bool bPacketBeacon=false, bToSelfBA=false; |
| 4392 | struct ieee80211_hdr_3addr *hdr; |
| 4393 | u16 fc,type; |
| 4394 | |
| 4395 | // Get Signal Quality for only RX data queue (but not command queue) |
| 4396 | |
| 4397 | u8* tmp_buf; |
| 4398 | u8 *praddr; |
| 4399 | |
| 4400 | /* Get MAC frame start address. */ |
| 4401 | tmp_buf = skb->data; |
| 4402 | |
| 4403 | hdr = (struct ieee80211_hdr_3addr *)tmp_buf; |
| 4404 | fc = le16_to_cpu(hdr->frame_ctl); |
| 4405 | type = WLAN_FC_GET_TYPE(fc); |
| 4406 | praddr = hdr->addr1; |
| 4407 | |
| 4408 | /* Check if the received packet is acceptabe. */ |
| 4409 | bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) && |
| 4410 | (!compare_ether_addr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3)) |
| 4411 | && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV)); |
| 4412 | bpacket_toself = bpacket_match_bssid & (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr)); |
| 4413 | |
| 4414 | if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON) |
| 4415 | { |
| 4416 | bPacketBeacon = true; |
| 4417 | } |
| 4418 | if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) |
| 4419 | { |
| 4420 | if((!compare_ether_addr(praddr,dev->dev_addr))) |
| 4421 | bToSelfBA = true; |
| 4422 | } |
| 4423 | |
| 4424 | // |
| 4425 | // Process PHY information for previous packet (RSSI/PWDB/EVM) |
| 4426 | // |
| 4427 | // Because phy information is contained in the last packet of AMPDU only, so driver |
| 4428 | // should process phy information of previous packet |
| 4429 | rtl8192_process_phyinfo(priv, tmp_buf, &priv->previous_stats, pstats); |
| 4430 | rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &priv->previous_stats, bpacket_match_bssid, |
| 4431 | bpacket_toself ,bPacketBeacon, bToSelfBA); |
| 4432 | rtl8192_record_rxdesc_forlateruse(pstats, &priv->previous_stats); |
| 4433 | |
| 4434 | } |
| 4435 | |
| 4436 | |
| 4437 | static void rtl8192_tx_resume(struct net_device *dev) |
| 4438 | { |
| 4439 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 4440 | struct ieee80211_device *ieee = priv->ieee80211; |
| 4441 | struct sk_buff *skb; |
| 4442 | int queue_index; |
| 4443 | |
| 4444 | for(queue_index = BK_QUEUE; queue_index < TXCMD_QUEUE;queue_index++) { |
| 4445 | while((!skb_queue_empty(&ieee->skb_waitQ[queue_index]))&& |
| 4446 | (priv->ieee80211->check_nic_enough_desc(dev,queue_index) > 0)) { |
| 4447 | /* 1. dequeue the packet from the wait queue */ |
| 4448 | skb = skb_dequeue(&ieee->skb_waitQ[queue_index]); |
| 4449 | /* 2. tx the packet directly */ |
| 4450 | ieee->softmac_data_hard_start_xmit(skb,dev,0/* rate useless now*/); |
| 4451 | } |
| 4452 | } |
| 4453 | } |
| 4454 | |
| 4455 | static void rtl8192_irq_tx_tasklet(unsigned long arg) |
| 4456 | { |
| 4457 | struct r8192_priv *priv = (struct r8192_priv*) arg; |
| 4458 | struct rtl8192_tx_ring *mgnt_ring = &priv->tx_ring[MGNT_QUEUE]; |
| 4459 | struct net_device *dev = priv->ieee80211->dev; |
| 4460 | unsigned long flags; |
| 4461 | |
| 4462 | /* check if we need to report that the management queue is drained */ |
| 4463 | spin_lock_irqsave(&priv->irq_th_lock, flags); |
| 4464 | |
| 4465 | if (!skb_queue_len(&mgnt_ring->queue) && |
| 4466 | priv->ieee80211->ack_tx_to_ieee && |
| 4467 | rtl8192_is_tx_queue_empty(dev)) { |
| 4468 | priv->ieee80211->ack_tx_to_ieee = 0; |
| 4469 | ieee80211_ps_tx_ack(priv->ieee80211, 1); |
| 4470 | } |
| 4471 | |
| 4472 | spin_unlock_irqrestore(&priv->irq_th_lock, flags); |
| 4473 | |
| 4474 | rtl8192_tx_resume(dev); |
| 4475 | } |
| 4476 | |
| 4477 | /* Record the received data rate */ |
| 4478 | static void UpdateReceivedRateHistogramStatistics8190( |
| 4479 | struct net_device *dev, |
| 4480 | struct ieee80211_rx_stats* pstats |
| 4481 | ) |
| 4482 | { |
| 4483 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 4484 | u32 rcvType=1; //0: Total, 1:OK, 2:CRC, 3:ICV |
| 4485 | u32 rateIndex; |
| 4486 | u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI |
| 4487 | |
| 4488 | if(pstats->bCRC) |
| 4489 | rcvType = 2; |
| 4490 | else if(pstats->bICV) |
| 4491 | rcvType = 3; |
| 4492 | |
| 4493 | if(pstats->bShortPreamble) |
| 4494 | preamble_guardinterval = 1;// short |
| 4495 | else |
| 4496 | preamble_guardinterval = 0;// long |
| 4497 | |
| 4498 | switch(pstats->rate) |
| 4499 | { |
| 4500 | // |
| 4501 | // CCK rate |
| 4502 | // |
| 4503 | case MGN_1M: rateIndex = 0; break; |
| 4504 | case MGN_2M: rateIndex = 1; break; |
| 4505 | case MGN_5_5M: rateIndex = 2; break; |
| 4506 | case MGN_11M: rateIndex = 3; break; |
| 4507 | // |
| 4508 | // Legacy OFDM rate |
| 4509 | // |
| 4510 | case MGN_6M: rateIndex = 4; break; |
| 4511 | case MGN_9M: rateIndex = 5; break; |
| 4512 | case MGN_12M: rateIndex = 6; break; |
| 4513 | case MGN_18M: rateIndex = 7; break; |
| 4514 | case MGN_24M: rateIndex = 8; break; |
| 4515 | case MGN_36M: rateIndex = 9; break; |
| 4516 | case MGN_48M: rateIndex = 10; break; |
| 4517 | case MGN_54M: rateIndex = 11; break; |
| 4518 | // |
| 4519 | // 11n High throughput rate |
| 4520 | // |
| 4521 | case MGN_MCS0: rateIndex = 12; break; |
| 4522 | case MGN_MCS1: rateIndex = 13; break; |
| 4523 | case MGN_MCS2: rateIndex = 14; break; |
| 4524 | case MGN_MCS3: rateIndex = 15; break; |
| 4525 | case MGN_MCS4: rateIndex = 16; break; |
| 4526 | case MGN_MCS5: rateIndex = 17; break; |
| 4527 | case MGN_MCS6: rateIndex = 18; break; |
| 4528 | case MGN_MCS7: rateIndex = 19; break; |
| 4529 | case MGN_MCS8: rateIndex = 20; break; |
| 4530 | case MGN_MCS9: rateIndex = 21; break; |
| 4531 | case MGN_MCS10: rateIndex = 22; break; |
| 4532 | case MGN_MCS11: rateIndex = 23; break; |
| 4533 | case MGN_MCS12: rateIndex = 24; break; |
| 4534 | case MGN_MCS13: rateIndex = 25; break; |
| 4535 | case MGN_MCS14: rateIndex = 26; break; |
| 4536 | case MGN_MCS15: rateIndex = 27; break; |
| 4537 | default: rateIndex = 28; break; |
| 4538 | } |
| 4539 | priv->stats.received_rate_histogram[0][rateIndex]++; //total |
| 4540 | priv->stats.received_rate_histogram[rcvType][rateIndex]++; |
| 4541 | } |
| 4542 | |
| 4543 | static void rtl8192_rx(struct net_device *dev) |
| 4544 | { |
| 4545 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 4546 | struct ieee80211_hdr_1addr *ieee80211_hdr = NULL; |
| 4547 | bool unicast_packet = false; |
| 4548 | struct ieee80211_rx_stats stats = { |
| 4549 | .signal = 0, |
| 4550 | .noise = -98, |
| 4551 | .rate = 0, |
| 4552 | .freq = IEEE80211_24GHZ_BAND, |
| 4553 | }; |
| 4554 | unsigned int count = priv->rxringcount; |
| 4555 | prx_fwinfo_819x_pci pDrvInfo = NULL; |
| 4556 | struct sk_buff *new_skb; |
| 4557 | |
| 4558 | while (count--) { |
| 4559 | rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor |
| 4560 | struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt |
| 4561 | |
| 4562 | if (pdesc->OWN) |
| 4563 | /* wait data to be filled by hardware */ |
| 4564 | return; |
| 4565 | |
| 4566 | stats.bICV = pdesc->ICV; |
| 4567 | stats.bCRC = pdesc->CRC32; |
| 4568 | stats.bHwError = pdesc->CRC32 | pdesc->ICV; |
| 4569 | |
| 4570 | stats.Length = pdesc->Length; |
| 4571 | if(stats.Length < 24) |
| 4572 | stats.bHwError |= 1; |
| 4573 | |
| 4574 | if(stats.bHwError) { |
| 4575 | stats.bShift = false; |
| 4576 | goto done; |
| 4577 | } |
| 4578 | pDrvInfo = NULL; |
| 4579 | new_skb = dev_alloc_skb(priv->rxbuffersize); |
| 4580 | |
| 4581 | if (unlikely(!new_skb)) |
| 4582 | goto done; |
| 4583 | |
| 4584 | stats.RxDrvInfoSize = pdesc->RxDrvInfoSize; |
| 4585 | stats.RxBufShift = ((pdesc->Shift)&0x03); |
| 4586 | stats.Decrypted = !pdesc->SWDec; |
| 4587 | |
| 4588 | pci_dma_sync_single_for_cpu(priv->pdev, |
| 4589 | *((dma_addr_t *)skb->cb), |
| 4590 | priv->rxbuffersize, |
| 4591 | PCI_DMA_FROMDEVICE); |
| 4592 | skb_put(skb, pdesc->Length); |
| 4593 | pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift); |
| 4594 | skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift); |
| 4595 | |
| 4596 | stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate); |
| 4597 | stats.bShortPreamble = pDrvInfo->SPLCP; |
| 4598 | |
| 4599 | /* it is debug only. It should be disabled in released driver. |
| 4600 | * 2007.1.11 by Emily |
| 4601 | * */ |
| 4602 | UpdateReceivedRateHistogramStatistics8190(dev, &stats); |
| 4603 | |
| 4604 | stats.bIsAMPDU = (pDrvInfo->PartAggr==1); |
| 4605 | stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1); |
| 4606 | |
| 4607 | stats.TimeStampLow = pDrvInfo->TSFL; |
| 4608 | stats.TimeStampHigh = read_nic_dword(priv, TSFR+4); |
| 4609 | |
| 4610 | UpdateRxPktTimeStamp8190(dev, &stats); |
| 4611 | |
| 4612 | // |
| 4613 | // Get Total offset of MPDU Frame Body |
| 4614 | // |
| 4615 | if((stats.RxBufShift + stats.RxDrvInfoSize) > 0) |
| 4616 | stats.bShift = 1; |
| 4617 | |
| 4618 | stats.RxIs40MHzPacket = pDrvInfo->BW; |
| 4619 | |
| 4620 | /* ???? */ |
| 4621 | TranslateRxSignalStuff819xpci(dev,skb, &stats, pdesc, pDrvInfo); |
| 4622 | |
| 4623 | /* Rx A-MPDU */ |
| 4624 | if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1) |
| 4625 | RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n", |
| 4626 | pDrvInfo->FirstAGGR, pDrvInfo->PartAggr); |
| 4627 | skb_trim(skb, skb->len - 4/*sCrcLng*/); |
| 4628 | /* rx packets statistics */ |
| 4629 | ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data; |
| 4630 | unicast_packet = false; |
| 4631 | |
| 4632 | if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) { |
| 4633 | //TODO |
| 4634 | }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){ |
| 4635 | //TODO |
| 4636 | }else { |
| 4637 | /* unicast packet */ |
| 4638 | unicast_packet = true; |
| 4639 | } |
| 4640 | |
| 4641 | stats.packetlength = stats.Length-4; |
| 4642 | stats.fraglength = stats.packetlength; |
| 4643 | stats.fragoffset = 0; |
| 4644 | stats.ntotalfrag = 1; |
| 4645 | |
| 4646 | if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){ |
| 4647 | dev_kfree_skb_any(skb); |
| 4648 | } else { |
| 4649 | priv->stats.rxok++; |
| 4650 | if(unicast_packet) { |
| 4651 | priv->stats.rxbytesunicast += skb->len; |
| 4652 | } |
| 4653 | } |
| 4654 | |
| 4655 | pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb), |
| 4656 | priv->rxbuffersize, PCI_DMA_FROMDEVICE); |
| 4657 | |
| 4658 | skb = new_skb; |
| 4659 | priv->rx_buf[priv->rx_idx] = skb; |
| 4660 | *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE); |
| 4661 | |
| 4662 | done: |
| 4663 | pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb)); |
| 4664 | pdesc->OWN = 1; |
| 4665 | pdesc->Length = priv->rxbuffersize; |
| 4666 | if (priv->rx_idx == priv->rxringcount-1) |
| 4667 | pdesc->EOR = 1; |
| 4668 | priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount; |
| 4669 | } |
| 4670 | |
| 4671 | } |
| 4672 | |
| 4673 | static void rtl8192_irq_rx_tasklet(unsigned long arg) |
| 4674 | { |
| 4675 | struct r8192_priv *priv = (struct r8192_priv*) arg; |
| 4676 | rtl8192_rx(priv->ieee80211->dev); |
| 4677 | /* unmask RDU */ |
| 4678 | write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) | IMR_RDU); |
| 4679 | } |
| 4680 | |
| 4681 | static const struct net_device_ops rtl8192_netdev_ops = { |
| 4682 | .ndo_open = rtl8192_open, |
| 4683 | .ndo_stop = rtl8192_close, |
| 4684 | .ndo_tx_timeout = tx_timeout, |
| 4685 | .ndo_do_ioctl = rtl8192_ioctl, |
| 4686 | .ndo_set_multicast_list = r8192_set_multicast, |
| 4687 | .ndo_set_mac_address = r8192_set_mac_adr, |
| 4688 | .ndo_start_xmit = ieee80211_rtl_xmit, |
| 4689 | }; |
| 4690 | |
| 4691 | static int __devinit rtl8192_pci_probe(struct pci_dev *pdev, |
| 4692 | const struct pci_device_id *id) |
| 4693 | { |
| 4694 | unsigned long ioaddr = 0; |
| 4695 | struct net_device *dev = NULL; |
| 4696 | struct r8192_priv *priv= NULL; |
| 4697 | u8 unit = 0; |
| 4698 | int ret = -ENODEV; |
| 4699 | unsigned long pmem_start, pmem_len, pmem_flags; |
| 4700 | |
| 4701 | RT_TRACE(COMP_INIT,"Configuring chip resources\n"); |
| 4702 | |
| 4703 | if( pci_enable_device (pdev) ){ |
| 4704 | RT_TRACE(COMP_ERR,"Failed to enable PCI device"); |
| 4705 | return -EIO; |
| 4706 | } |
| 4707 | |
| 4708 | pci_set_master(pdev); |
| 4709 | //pci_set_wmi(pdev); |
| 4710 | pci_set_dma_mask(pdev, 0xffffff00ULL); |
| 4711 | pci_set_consistent_dma_mask(pdev,0xffffff00ULL); |
| 4712 | dev = alloc_ieee80211(sizeof(struct r8192_priv)); |
| 4713 | if (!dev) { |
| 4714 | ret = -ENOMEM; |
| 4715 | goto fail_free; |
| 4716 | } |
| 4717 | |
| 4718 | pci_set_drvdata(pdev, dev); |
| 4719 | SET_NETDEV_DEV(dev, &pdev->dev); |
| 4720 | priv = ieee80211_priv(dev); |
| 4721 | priv->ieee80211 = netdev_priv(dev); |
| 4722 | priv->pdev=pdev; |
| 4723 | if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){ |
| 4724 | priv->ieee80211->bSupportRemoteWakeUp = 1; |
| 4725 | } else |
| 4726 | { |
| 4727 | priv->ieee80211->bSupportRemoteWakeUp = 0; |
| 4728 | } |
| 4729 | |
| 4730 | pmem_start = pci_resource_start(pdev, 1); |
| 4731 | pmem_len = pci_resource_len(pdev, 1); |
| 4732 | pmem_flags = pci_resource_flags (pdev, 1); |
| 4733 | |
| 4734 | if (!(pmem_flags & IORESOURCE_MEM)) { |
| 4735 | RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting\n"); |
| 4736 | goto fail; |
| 4737 | } |
| 4738 | |
| 4739 | //DMESG("Memory mapped space @ 0x%08lx ", pmem_start); |
| 4740 | if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) { |
| 4741 | RT_TRACE(COMP_ERR,"request_mem_region failed!\n"); |
| 4742 | goto fail; |
| 4743 | } |
| 4744 | |
| 4745 | |
| 4746 | ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len); |
| 4747 | if( ioaddr == (unsigned long)NULL ){ |
| 4748 | RT_TRACE(COMP_ERR,"ioremap failed!\n"); |
| 4749 | // release_mem_region( pmem_start, pmem_len ); |
| 4750 | goto fail1; |
| 4751 | } |
| 4752 | |
| 4753 | dev->mem_start = ioaddr; // shared mem start |
| 4754 | dev->mem_end = ioaddr + pci_resource_len(pdev, 0); // shared mem end |
| 4755 | |
| 4756 | /* We disable the RETRY_TIMEOUT register (0x41) to keep |
| 4757 | * PCI Tx retries from interfering with C3 CPU state */ |
| 4758 | pci_write_config_byte(pdev, 0x41, 0x00); |
| 4759 | |
| 4760 | |
| 4761 | pci_read_config_byte(pdev, 0x05, &unit); |
| 4762 | pci_write_config_byte(pdev, 0x05, unit & (~0x04)); |
| 4763 | |
| 4764 | dev->irq = pdev->irq; |
| 4765 | priv->irq = 0; |
| 4766 | |
| 4767 | dev->netdev_ops = &rtl8192_netdev_ops; |
| 4768 | |
| 4769 | dev->wireless_handlers = &r8192_wx_handlers_def; |
| 4770 | dev->type=ARPHRD_ETHER; |
| 4771 | |
| 4772 | dev->watchdog_timeo = HZ*3; |
| 4773 | |
| 4774 | if (dev_alloc_name(dev, ifname) < 0){ |
| 4775 | RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n"); |
| 4776 | strcpy(ifname, "wlan%d"); |
| 4777 | dev_alloc_name(dev, ifname); |
| 4778 | } |
| 4779 | |
| 4780 | RT_TRACE(COMP_INIT, "Driver probe completed1\n"); |
| 4781 | if(rtl8192_init(dev)!=0){ |
| 4782 | RT_TRACE(COMP_ERR, "Initialization failed\n"); |
| 4783 | goto fail; |
| 4784 | } |
| 4785 | |
| 4786 | register_netdev(dev); |
| 4787 | RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name); |
| 4788 | rtl8192_proc_init_one(dev); |
| 4789 | |
| 4790 | |
| 4791 | RT_TRACE(COMP_INIT, "Driver probe completed\n"); |
| 4792 | return 0; |
| 4793 | |
| 4794 | fail1: |
| 4795 | |
| 4796 | if( dev->mem_start != (unsigned long)NULL ){ |
| 4797 | iounmap( (void *)dev->mem_start ); |
| 4798 | release_mem_region( pci_resource_start(pdev, 1), |
| 4799 | pci_resource_len(pdev, 1) ); |
| 4800 | } |
| 4801 | |
| 4802 | fail: |
| 4803 | if(dev){ |
| 4804 | |
| 4805 | if (priv->irq) { |
| 4806 | free_irq(dev->irq, dev); |
| 4807 | dev->irq=0; |
| 4808 | } |
| 4809 | free_ieee80211(dev); |
| 4810 | } |
| 4811 | |
| 4812 | fail_free: |
| 4813 | pci_disable_device(pdev); |
| 4814 | |
| 4815 | DMESG("wlan driver load failed\n"); |
| 4816 | pci_set_drvdata(pdev, NULL); |
| 4817 | return ret; |
| 4818 | |
| 4819 | } |
| 4820 | |
| 4821 | /* detach all the work and timer structure declared or inititialized |
| 4822 | * in r8192_init function. |
| 4823 | * */ |
| 4824 | static void rtl8192_cancel_deferred_work(struct r8192_priv* priv) |
| 4825 | { |
| 4826 | /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code |
| 4827 | * is or is newer than 2.6.20 and work structure is defined to be struct work_struct. |
| 4828 | * Otherwise call cancel_delayed_work is enough. |
| 4829 | * FIXME (2.6.20 should 2.6.22, work_struct should not cancel) |
| 4830 | * */ |
| 4831 | cancel_delayed_work(&priv->watch_dog_wq); |
| 4832 | cancel_delayed_work(&priv->update_beacon_wq); |
| 4833 | cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq); |
| 4834 | cancel_delayed_work(&priv->ieee80211->hw_sleep_wq); |
| 4835 | cancel_delayed_work(&priv->gpio_change_rf_wq); |
| 4836 | cancel_work_sync(&priv->reset_wq); |
| 4837 | cancel_work_sync(&priv->qos_activate); |
| 4838 | } |
| 4839 | |
| 4840 | |
| 4841 | static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev) |
| 4842 | { |
| 4843 | struct net_device *dev = pci_get_drvdata(pdev); |
| 4844 | struct r8192_priv *priv ; |
| 4845 | u32 i; |
| 4846 | |
| 4847 | if (dev) { |
| 4848 | |
| 4849 | unregister_netdev(dev); |
| 4850 | |
| 4851 | priv = ieee80211_priv(dev); |
| 4852 | |
| 4853 | rtl8192_proc_remove_one(dev); |
| 4854 | |
| 4855 | rtl8192_down(dev); |
| 4856 | if (priv->pFirmware) |
| 4857 | { |
| 4858 | vfree(priv->pFirmware); |
| 4859 | priv->pFirmware = NULL; |
| 4860 | } |
| 4861 | destroy_workqueue(priv->priv_wq); |
| 4862 | |
| 4863 | /* free tx/rx rings */ |
| 4864 | rtl8192_free_rx_ring(dev); |
| 4865 | for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) |
| 4866 | rtl8192_free_tx_ring(dev, i); |
| 4867 | |
| 4868 | if (priv->irq) { |
| 4869 | printk("Freeing irq %d\n",dev->irq); |
| 4870 | free_irq(dev->irq, dev); |
| 4871 | priv->irq=0; |
| 4872 | } |
| 4873 | |
| 4874 | if( dev->mem_start != (unsigned long)NULL ){ |
| 4875 | iounmap( (void *)dev->mem_start ); |
| 4876 | release_mem_region( pci_resource_start(pdev, 1), |
| 4877 | pci_resource_len(pdev, 1) ); |
| 4878 | } |
| 4879 | |
| 4880 | free_ieee80211(dev); |
| 4881 | } |
| 4882 | |
| 4883 | pci_disable_device(pdev); |
| 4884 | RT_TRACE(COMP_DOWN, "wlan driver removed\n"); |
| 4885 | } |
| 4886 | |
| 4887 | extern int ieee80211_rtl_init(void); |
| 4888 | extern void ieee80211_rtl_exit(void); |
| 4889 | |
| 4890 | static int __init rtl8192_pci_module_init(void) |
| 4891 | { |
| 4892 | int retval; |
| 4893 | |
| 4894 | retval = ieee80211_rtl_init(); |
| 4895 | if (retval) |
| 4896 | return retval; |
| 4897 | |
| 4898 | printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n"); |
| 4899 | printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n"); |
| 4900 | RT_TRACE(COMP_INIT, "Initializing module\n"); |
| 4901 | rtl8192_proc_module_init(); |
| 4902 | if(0!=pci_register_driver(&rtl8192_pci_driver)) |
| 4903 | { |
| 4904 | DMESG("No device found"); |
| 4905 | /*pci_unregister_driver (&rtl8192_pci_driver);*/ |
| 4906 | return -ENODEV; |
| 4907 | } |
| 4908 | return 0; |
| 4909 | } |
| 4910 | |
| 4911 | |
| 4912 | static void __exit rtl8192_pci_module_exit(void) |
| 4913 | { |
| 4914 | pci_unregister_driver(&rtl8192_pci_driver); |
| 4915 | |
| 4916 | RT_TRACE(COMP_DOWN, "Exiting\n"); |
| 4917 | rtl8192_proc_module_remove(); |
| 4918 | ieee80211_rtl_exit(); |
| 4919 | } |
| 4920 | |
| 4921 | static irqreturn_t rtl8192_interrupt(int irq, void *netdev) |
| 4922 | { |
| 4923 | struct net_device *dev = (struct net_device *) netdev; |
| 4924 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 4925 | unsigned long flags; |
| 4926 | u32 inta; |
| 4927 | irqreturn_t ret = IRQ_HANDLED; |
| 4928 | |
| 4929 | spin_lock_irqsave(&priv->irq_th_lock, flags); |
| 4930 | |
| 4931 | /* ISR: 4bytes */ |
| 4932 | |
| 4933 | inta = read_nic_dword(priv, ISR); /* & priv->IntrMask; */ |
| 4934 | write_nic_dword(priv, ISR, inta); /* reset int situation */ |
| 4935 | |
| 4936 | if (!inta) { |
| 4937 | /* |
| 4938 | * most probably we can safely return IRQ_NONE, |
| 4939 | * but for now is better to avoid problems |
| 4940 | */ |
| 4941 | goto out_unlock; |
| 4942 | } |
| 4943 | |
| 4944 | if (inta == 0xffff) { |
| 4945 | /* HW disappared */ |
| 4946 | goto out_unlock; |
| 4947 | } |
| 4948 | |
| 4949 | if (!netif_running(dev)) |
| 4950 | goto out_unlock; |
| 4951 | |
| 4952 | if (inta & IMR_TBDOK) { |
| 4953 | RT_TRACE(COMP_INTR, "beacon ok interrupt!\n"); |
| 4954 | rtl8192_tx_isr(dev, BEACON_QUEUE); |
| 4955 | priv->stats.txbeaconokint++; |
| 4956 | } |
| 4957 | |
| 4958 | if (inta & IMR_TBDER) { |
| 4959 | RT_TRACE(COMP_INTR, "beacon ok interrupt!\n"); |
| 4960 | rtl8192_tx_isr(dev, BEACON_QUEUE); |
| 4961 | priv->stats.txbeaconerr++; |
| 4962 | } |
| 4963 | |
| 4964 | if (inta & IMR_MGNTDOK ) { |
| 4965 | RT_TRACE(COMP_INTR, "Manage ok interrupt!\n"); |
| 4966 | priv->stats.txmanageokint++; |
| 4967 | rtl8192_tx_isr(dev,MGNT_QUEUE); |
| 4968 | } |
| 4969 | |
| 4970 | if (inta & IMR_COMDOK) |
| 4971 | { |
| 4972 | priv->stats.txcmdpktokint++; |
| 4973 | rtl8192_tx_isr(dev, TXCMD_QUEUE); |
| 4974 | } |
| 4975 | |
| 4976 | if (inta & IMR_ROK) { |
| 4977 | priv->stats.rxint++; |
| 4978 | tasklet_schedule(&priv->irq_rx_tasklet); |
| 4979 | } |
| 4980 | |
| 4981 | if (inta & IMR_BcnInt) { |
| 4982 | RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n"); |
| 4983 | tasklet_schedule(&priv->irq_prepare_beacon_tasklet); |
| 4984 | } |
| 4985 | |
| 4986 | if (inta & IMR_RDU) { |
| 4987 | RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n"); |
| 4988 | priv->stats.rxrdu++; |
| 4989 | /* reset int situation */ |
| 4990 | write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) & ~IMR_RDU); |
| 4991 | tasklet_schedule(&priv->irq_rx_tasklet); |
| 4992 | } |
| 4993 | |
| 4994 | if (inta & IMR_RXFOVW) { |
| 4995 | RT_TRACE(COMP_INTR, "rx overflow !\n"); |
| 4996 | priv->stats.rxoverflow++; |
| 4997 | tasklet_schedule(&priv->irq_rx_tasklet); |
| 4998 | } |
| 4999 | |
| 5000 | if (inta & IMR_TXFOVW) |
| 5001 | priv->stats.txoverflow++; |
| 5002 | |
| 5003 | if (inta & IMR_BKDOK) { |
| 5004 | RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n"); |
| 5005 | priv->stats.txbkokint++; |
| 5006 | priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++; |
| 5007 | rtl8192_tx_isr(dev, BK_QUEUE); |
| 5008 | } |
| 5009 | |
| 5010 | if (inta & IMR_BEDOK) { |
| 5011 | RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n"); |
| 5012 | priv->stats.txbeokint++; |
| 5013 | priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++; |
| 5014 | rtl8192_tx_isr(dev, BE_QUEUE); |
| 5015 | } |
| 5016 | |
| 5017 | if (inta & IMR_VIDOK) { |
| 5018 | RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n"); |
| 5019 | priv->stats.txviokint++; |
| 5020 | priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++; |
| 5021 | rtl8192_tx_isr(dev, VI_QUEUE); |
| 5022 | } |
| 5023 | |
| 5024 | if (inta & IMR_VODOK) { |
| 5025 | priv->stats.txvookint++; |
| 5026 | priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++; |
| 5027 | rtl8192_tx_isr(dev, VO_QUEUE); |
| 5028 | } |
| 5029 | |
| 5030 | out_unlock: |
| 5031 | spin_unlock_irqrestore(&priv->irq_th_lock, flags); |
| 5032 | |
| 5033 | return ret; |
| 5034 | } |
| 5035 | |
| 5036 | void EnableHWSecurityConfig8192(struct net_device *dev) |
| 5037 | { |
| 5038 | u8 SECR_value = 0x0; |
| 5039 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 5040 | struct ieee80211_device* ieee = priv->ieee80211; |
| 5041 | |
| 5042 | SECR_value = SCR_TxEncEnable | SCR_RxDecEnable; |
| 5043 | |
| 5044 | if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2)) |
| 5045 | { |
| 5046 | SECR_value |= SCR_RxUseDK; |
| 5047 | SECR_value |= SCR_TxUseDK; |
| 5048 | } |
| 5049 | else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) |
| 5050 | { |
| 5051 | SECR_value |= SCR_RxUseDK; |
| 5052 | SECR_value |= SCR_TxUseDK; |
| 5053 | } |
| 5054 | |
| 5055 | //add HWSec active enable here. |
| 5056 | //default using hwsec. when peer AP is in N mode only and pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates it), use software security. when peer AP is in b,g,n mode mixed and pairwise_key_type is none_aes, use g mode hw security. WB on 2008.7.4 |
| 5057 | ieee->hwsec_active = 1; |
| 5058 | |
| 5059 | if ((ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE) || !hwwep)//!ieee->hwsec_support) //add hwsec_support flag to totol control hw_sec on/off |
| 5060 | { |
| 5061 | ieee->hwsec_active = 0; |
| 5062 | SECR_value &= ~SCR_RxDecEnable; |
| 5063 | } |
| 5064 | |
| 5065 | RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__, |
| 5066 | ieee->hwsec_active, ieee->pairwise_key_type, SECR_value); |
| 5067 | { |
| 5068 | write_nic_byte(priv, SECR, SECR_value);//SECR_value | SCR_UseDK ); |
| 5069 | } |
| 5070 | |
| 5071 | } |
| 5072 | #define TOTAL_CAM_ENTRY 32 |
| 5073 | //#define CAM_CONTENT_COUNT 8 |
| 5074 | void setKey( struct net_device *dev, |
| 5075 | u8 EntryNo, |
| 5076 | u8 KeyIndex, |
| 5077 | u16 KeyType, |
| 5078 | const u8 *MacAddr, |
| 5079 | u8 DefaultKey, |
| 5080 | u32 *KeyContent ) |
| 5081 | { |
| 5082 | u32 TargetCommand = 0; |
| 5083 | u32 TargetContent = 0; |
| 5084 | u16 usConfig = 0; |
| 5085 | u8 i; |
| 5086 | #ifdef ENABLE_IPS |
| 5087 | struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); |
| 5088 | RT_RF_POWER_STATE rtState; |
| 5089 | rtState = priv->ieee80211->eRFPowerState; |
| 5090 | if(priv->ieee80211->PowerSaveControl.bInactivePs){ |
| 5091 | if(rtState == eRfOff){ |
| 5092 | if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS) |
| 5093 | { |
| 5094 | RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__); |
| 5095 | //up(&priv->wx_sem); |
| 5096 | return ; |
| 5097 | } |
| 5098 | else{ |
| 5099 | down(&priv->ieee80211->ips_sem); |
| 5100 | IPSLeave(dev); |
| 5101 | up(&priv->ieee80211->ips_sem); |
| 5102 | } |
| 5103 | } |
| 5104 | } |
| 5105 | priv->ieee80211->is_set_key = true; |
| 5106 | #endif |
| 5107 | if (EntryNo >= TOTAL_CAM_ENTRY) |
| 5108 | RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n"); |
| 5109 | |
| 5110 | RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev,EntryNo, KeyIndex, KeyType, MacAddr); |
| 5111 | |
| 5112 | if (DefaultKey) |
| 5113 | usConfig |= BIT15 | (KeyType<<2); |
| 5114 | else |
| 5115 | usConfig |= BIT15 | (KeyType<<2) | KeyIndex; |
| 5116 | // usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex; |
| 5117 | |
| 5118 | |
| 5119 | for(i=0 ; i<CAM_CONTENT_COUNT; i++){ |
| 5120 | TargetCommand = i+CAM_CONTENT_COUNT*EntryNo; |
| 5121 | TargetCommand |= BIT31|BIT16; |
| 5122 | |
| 5123 | if(i==0){//MAC|Config |
| 5124 | TargetContent = (u32)(*(MacAddr+0)) << 16| |
| 5125 | (u32)(*(MacAddr+1)) << 24| |
| 5126 | (u32)usConfig; |
| 5127 | |
| 5128 | write_nic_dword(priv, WCAMI, TargetContent); |
| 5129 | write_nic_dword(priv, RWCAM, TargetCommand); |
| 5130 | } |
| 5131 | else if(i==1){//MAC |
| 5132 | TargetContent = (u32)(*(MacAddr+2)) | |
| 5133 | (u32)(*(MacAddr+3)) << 8| |
| 5134 | (u32)(*(MacAddr+4)) << 16| |
| 5135 | (u32)(*(MacAddr+5)) << 24; |
| 5136 | write_nic_dword(priv, WCAMI, TargetContent); |
| 5137 | write_nic_dword(priv, RWCAM, TargetCommand); |
| 5138 | } |
| 5139 | else { //Key Material |
| 5140 | if(KeyContent != NULL) |
| 5141 | { |
| 5142 | write_nic_dword(priv, WCAMI, (u32)(*(KeyContent+i-2)) ); |
| 5143 | write_nic_dword(priv, RWCAM, TargetCommand); |
| 5144 | } |
| 5145 | } |
| 5146 | } |
| 5147 | RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig); |
| 5148 | } |
| 5149 | |
| 5150 | bool NicIFEnableNIC(struct net_device* dev) |
| 5151 | { |
| 5152 | RT_STATUS init_status = RT_STATUS_SUCCESS; |
| 5153 | struct r8192_priv* priv = ieee80211_priv(dev); |
| 5154 | PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl)); |
| 5155 | |
| 5156 | //YJ,add,091109 |
| 5157 | if (priv->up == 0){ |
| 5158 | RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__); |
| 5159 | priv->bdisable_nic = false; //YJ,add,091111 |
| 5160 | return false; |
| 5161 | } |
| 5162 | // <1> Reset memory: descriptor, buffer,.. |
| 5163 | //NicIFResetMemory(Adapter); |
| 5164 | |
| 5165 | // <2> Enable Adapter |
| 5166 | //priv->bfirst_init = true; |
| 5167 | init_status = rtl8192_adapter_start(dev); |
| 5168 | if (init_status != RT_STATUS_SUCCESS) { |
| 5169 | RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__); |
| 5170 | priv->bdisable_nic = false; //YJ,add,091111 |
| 5171 | return -1; |
| 5172 | } |
| 5173 | RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC); |
| 5174 | //priv->bfirst_init = false; |
| 5175 | |
| 5176 | // <3> Enable Interrupt |
| 5177 | rtl8192_irq_enable(dev); |
| 5178 | priv->bdisable_nic = false; |
| 5179 | |
| 5180 | return (init_status == RT_STATUS_SUCCESS); |
| 5181 | } |
| 5182 | |
| 5183 | bool NicIFDisableNIC(struct net_device* dev) |
| 5184 | { |
| 5185 | bool status = true; |
| 5186 | struct r8192_priv* priv = ieee80211_priv(dev); |
| 5187 | u8 tmp_state = 0; |
| 5188 | // <1> Disable Interrupt |
| 5189 | |
| 5190 | priv->bdisable_nic = true; //YJ,move,091109 |
| 5191 | tmp_state = priv->ieee80211->state; |
| 5192 | |
| 5193 | ieee80211_softmac_stop_protocol(priv->ieee80211, false); |
| 5194 | |
| 5195 | priv->ieee80211->state = tmp_state; |
| 5196 | rtl8192_cancel_deferred_work(priv); |
| 5197 | rtl8192_irq_disable(dev); |
| 5198 | // <2> Stop all timer |
| 5199 | |
| 5200 | // <3> Disable Adapter |
| 5201 | rtl8192_halt_adapter(dev, false); |
| 5202 | // priv->bdisable_nic = true; |
| 5203 | |
| 5204 | return status; |
| 5205 | } |
| 5206 | |
| 5207 | module_init(rtl8192_pci_module_init); |
| 5208 | module_exit(rtl8192_pci_module_exit); |