1/****************************************************************************** 2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. 3 * 4 * Based on the r8180 driver, which is: 5 * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al. 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of version 2 of the GNU General Public License as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License along with 16 * this program; if not, write to the Free Software Foundation, Inc., 17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 18 * 19 * The full GNU General Public License is included in this distribution in the 20 * file called LICENSE. 21 * 22 * Contact Information: 23 * wlanfae <wlanfae@realtek.com> 24******************************************************************************/ 25#undef RX_DONT_PASS_UL 26#undef DEBUG_EPROM 27#undef DEBUG_RX_VERBOSE 28#undef DUMMY_RX 29#undef DEBUG_ZERO_RX 30#undef DEBUG_RX_SKB 31#undef DEBUG_TX_FRAG 32#undef DEBUG_RX_FRAG 33#undef DEBUG_TX_FILLDESC 34#undef DEBUG_TX 35#undef DEBUG_IRQ 36#undef DEBUG_RX 37#undef DEBUG_RXALLOC 38#undef DEBUG_REGISTERS 39#undef DEBUG_RING 40#undef DEBUG_IRQ_TASKLET 41#undef DEBUG_TX_ALLOC 42#undef DEBUG_TX_DESC 43 44#include <linux/uaccess.h> 45#include <linux/pci.h> 46#include <linux/vmalloc.h> 47#include "rtl_core.h" 48#include "r8192E_phy.h" 49#include "r8192E_phyreg.h" 50#include "r8190P_rtl8256.h" 51#include "r8192E_cmdpkt.h" 52 53#include "rtl_wx.h" 54#include "rtl_dm.h" 55 56#include "rtl_pm.h" 57 58int hwwep = 1; 59static int channels = 0x3fff; 60static char *ifname = "wlan%d"; 61 62 63static struct rtl819x_ops rtl819xp_ops = { 64 .nic_type = NIC_8192E, 65 .get_eeprom_size = rtl8192_get_eeprom_size, 66 .init_adapter_variable = rtl8192_InitializeVariables, 67 .initialize_adapter = rtl8192_adapter_start, 68 .link_change = rtl8192_link_change, 69 .tx_fill_descriptor = rtl8192_tx_fill_desc, 70 .tx_fill_cmd_descriptor = rtl8192_tx_fill_cmd_desc, 71 .rx_query_status_descriptor = rtl8192_rx_query_status_desc, 72 .rx_command_packet_handler = NULL, 73 .stop_adapter = rtl8192_halt_adapter, 74 .update_ratr_table = rtl8192_update_ratr_table, 75 .irq_enable = rtl8192_EnableInterrupt, 76 .irq_disable = rtl8192_DisableInterrupt, 77 .irq_clear = rtl8192_ClearInterrupt, 78 .rx_enable = rtl8192_enable_rx, 79 .tx_enable = rtl8192_enable_tx, 80 .interrupt_recognized = rtl8192_interrupt_recognized, 81 .TxCheckStuckHandler = rtl8192_HalTxCheckStuck, 82 .RxCheckStuckHandler = rtl8192_HalRxCheckStuck, 83}; 84 85static struct pci_device_id rtl8192_pci_id_tbl[] = { 86 {RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)}, 87 {RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)}, 88 {RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)}, 89 {} 90}; 91 92MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl); 93 94static int rtl8192_pci_probe(struct pci_dev *pdev, 95 const struct pci_device_id *id); 96static void rtl8192_pci_disconnect(struct pci_dev *pdev); 97static irqreturn_t rtl8192_interrupt(int irq, void *netdev); 98 99static struct pci_driver rtl8192_pci_driver = { 100 .name = DRV_NAME, /* Driver name */ 101 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */ 102 .probe = rtl8192_pci_probe, /* probe fn */ 103 .remove = rtl8192_pci_disconnect, /* remove fn */ 104 .suspend = rtl8192E_suspend, /* PM suspend fn */ 105 .resume = rtl8192E_resume, /* PM resume fn */ 106}; 107 108/**************************************************************************** 109 -----------------------------IO STUFF------------------------- 110*****************************************************************************/ 111static bool PlatformIOCheckPageLegalAndGetRegMask(u32 u4bPage, u8 *pu1bPageMask) 112{ 113 bool bReturn = false; 114 115 *pu1bPageMask = 0xfe; 116 117 switch (u4bPage) { 118 case 1: case 2: case 3: case 4: 119 case 8: case 9: case 10: case 12: case 13: 120 bReturn = true; 121 *pu1bPageMask = 0xf0; 122 break; 123 124 default: 125 bReturn = false; 126 break; 127 } 128 129 return bReturn; 130} 131 132void write_nic_io_byte(struct net_device *dev, int x, u8 y) 133{ 134 u32 u4bPage = (x >> 8); 135 u8 u1PageMask = 0; 136 bool bIsLegalPage = false; 137 138 if (u4bPage == 0) { 139 outb(y&0xff, dev->base_addr + x); 140 141 } else { 142 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, 143 &u1PageMask); 144 if (bIsLegalPage) { 145 u8 u1bPsr = read_nic_io_byte(dev, PSR); 146 147 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | 148 (u8)u4bPage)); 149 write_nic_io_byte(dev, (x & 0xff), y); 150 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask)); 151 } 152 } 153} 154 155void write_nic_io_word(struct net_device *dev, int x, u16 y) 156{ 157 u32 u4bPage = (x >> 8); 158 u8 u1PageMask = 0; 159 bool bIsLegalPage = false; 160 161 if (u4bPage == 0) { 162 outw(y, dev->base_addr + x); 163 } else { 164 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, 165 &u1PageMask); 166 if (bIsLegalPage) { 167 u8 u1bPsr = read_nic_io_byte(dev, PSR); 168 169 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | 170 (u8)u4bPage)); 171 write_nic_io_word(dev, (x & 0xff), y); 172 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask)); 173 174 } 175 } 176} 177 178void write_nic_io_dword(struct net_device *dev, int x, u32 y) 179{ 180 u32 u4bPage = (x >> 8); 181 u8 u1PageMask = 0; 182 bool bIsLegalPage = false; 183 184 if (u4bPage == 0) { 185 outl(y, dev->base_addr + x); 186 } else { 187 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, 188 &u1PageMask); 189 if (bIsLegalPage) { 190 u8 u1bPsr = read_nic_io_byte(dev, PSR); 191 192 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | 193 (u8)u4bPage)); 194 write_nic_io_dword(dev, (x & 0xff), y); 195 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask)); 196 } 197 } 198} 199 200u8 read_nic_io_byte(struct net_device *dev, int x) 201{ 202 u32 u4bPage = (x >> 8); 203 u8 u1PageMask = 0; 204 bool bIsLegalPage = false; 205 u8 Data = 0; 206 207 if (u4bPage == 0) { 208 return 0xff&inb(dev->base_addr + x); 209 } else { 210 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, 211 &u1PageMask); 212 if (bIsLegalPage) { 213 u8 u1bPsr = read_nic_io_byte(dev, PSR); 214 215 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | 216 (u8)u4bPage)); 217 Data = read_nic_io_byte(dev, (x & 0xff)); 218 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask)); 219 } 220 } 221 222 return Data; 223} 224 225u16 read_nic_io_word(struct net_device *dev, int x) 226{ 227 u32 u4bPage = (x >> 8); 228 u8 u1PageMask = 0; 229 bool bIsLegalPage = false; 230 u16 Data = 0; 231 232 if (u4bPage == 0) { 233 return inw(dev->base_addr + x); 234 } else { 235 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, 236 &u1PageMask); 237 if (bIsLegalPage) { 238 u8 u1bPsr = read_nic_io_byte(dev, PSR); 239 240 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | 241 (u8)u4bPage)); 242 Data = read_nic_io_word(dev, (x & 0xff)); 243 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask)); 244 245 } 246 } 247 248 return Data; 249} 250 251u32 read_nic_io_dword(struct net_device *dev, int x) 252{ 253 u32 u4bPage = (x >> 8); 254 u8 u1PageMask = 0; 255 bool bIsLegalPage = false; 256 u32 Data = 0; 257 258 if (u4bPage == 0) { 259 return inl(dev->base_addr + x); 260 } else { 261 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, 262 &u1PageMask); 263 if (bIsLegalPage) { 264 u8 u1bPsr = read_nic_io_byte(dev, PSR); 265 266 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | 267 (u8)u4bPage)); 268 Data = read_nic_io_dword(dev, (x & 0xff)); 269 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask)); 270 271 } 272 } 273 274 return Data; 275} 276 277u8 read_nic_byte(struct net_device *dev, int x) 278{ 279 return 0xff & readb((u8 __iomem *)dev->mem_start + x); 280} 281 282u32 read_nic_dword(struct net_device *dev, int x) 283{ 284 return readl((u8 __iomem *)dev->mem_start + x); 285} 286 287u16 read_nic_word(struct net_device *dev, int x) 288{ 289 return readw((u8 __iomem *)dev->mem_start + x); 290} 291 292void write_nic_byte(struct net_device *dev, int x, u8 y) 293{ 294 writeb(y, (u8 __iomem *)dev->mem_start + x); 295 296 udelay(20); 297} 298 299void write_nic_dword(struct net_device *dev, int x, u32 y) 300{ 301 writel(y, (u8 __iomem *)dev->mem_start + x); 302 303 udelay(20); 304} 305 306void write_nic_word(struct net_device *dev, int x, u16 y) 307{ 308 writew(y, (u8 __iomem *)dev->mem_start + x); 309 310 udelay(20); 311} 312 313/**************************************************************************** 314 -----------------------------GENERAL FUNCTION------------------------- 315*****************************************************************************/ 316bool MgntActSet_RF_State(struct net_device *dev, 317 enum rt_rf_power_state StateToSet, 318 RT_RF_CHANGE_SOURCE ChangeSource, 319 bool ProtectOrNot) 320{ 321 struct r8192_priv *priv = rtllib_priv(dev); 322 struct rtllib_device *ieee = priv->rtllib; 323 bool bActionAllowed = false; 324 bool bConnectBySSID = false; 325 enum rt_rf_power_state rtState; 326 u16 RFWaitCounter = 0; 327 unsigned long flag; 328 329 RT_TRACE((COMP_PS | COMP_RF), "===>MgntActSet_RF_State(): " 330 "StateToSet(%d)\n", StateToSet); 331 332 ProtectOrNot = false; 333 334 335 if (!ProtectOrNot) { 336 while (true) { 337 spin_lock_irqsave(&priv->rf_ps_lock, flag); 338 if (priv->RFChangeInProgress) { 339 spin_unlock_irqrestore(&priv->rf_ps_lock, flag); 340 RT_TRACE((COMP_PS | COMP_RF), 341 "MgntActSet_RF_State(): RF Change in " 342 "progress! Wait to set..StateToSet" 343 "(%d).\n", StateToSet); 344 345 while (priv->RFChangeInProgress) { 346 RFWaitCounter++; 347 RT_TRACE((COMP_PS | COMP_RF), 348 "MgntActSet_RF_State(): Wait 1" 349 " ms (%d times)...\n", 350 RFWaitCounter); 351 mdelay(1); 352 353 if (RFWaitCounter > 100) { 354 RT_TRACE(COMP_ERR, "MgntActSet_" 355 "RF_State(): Wait too " 356 "logn to set RF\n"); 357 return false; 358 } 359 } 360 } else { 361 priv->RFChangeInProgress = true; 362 spin_unlock_irqrestore(&priv->rf_ps_lock, flag); 363 break; 364 } 365 } 366 } 367 368 rtState = priv->rtllib->eRFPowerState; 369 370 switch (StateToSet) { 371 case eRfOn: 372 priv->rtllib->RfOffReason &= (~ChangeSource); 373 374 if ((ChangeSource == RF_CHANGE_BY_HW) && priv->bHwRadioOff) 375 priv->bHwRadioOff = false; 376 377 if (!priv->rtllib->RfOffReason) { 378 priv->rtllib->RfOffReason = 0; 379 bActionAllowed = true; 380 381 382 if (rtState == eRfOff && 383 ChangeSource >= RF_CHANGE_BY_HW) 384 bConnectBySSID = true; 385 } else { 386 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State - " 387 "eRfon reject pMgntInfo->RfOffReason= 0x%x," 388 " ChangeSource=0x%X\n", 389 priv->rtllib->RfOffReason, ChangeSource); 390 } 391 392 break; 393 394 case eRfOff: 395 396 if ((priv->rtllib->iw_mode == IW_MODE_INFRA) || 397 (priv->rtllib->iw_mode == IW_MODE_ADHOC)) { 398 if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) || 399 (ChangeSource > RF_CHANGE_BY_IPS)) { 400 if (ieee->state == RTLLIB_LINKED) 401 priv->blinked_ingpio = true; 402 else 403 priv->blinked_ingpio = false; 404 rtllib_MgntDisconnect(priv->rtllib, 405 disas_lv_ss); 406 } 407 } 408 if ((ChangeSource == RF_CHANGE_BY_HW) && !priv->bHwRadioOff) 409 priv->bHwRadioOff = true; 410 priv->rtllib->RfOffReason |= ChangeSource; 411 bActionAllowed = true; 412 break; 413 414 case eRfSleep: 415 priv->rtllib->RfOffReason |= ChangeSource; 416 bActionAllowed = true; 417 break; 418 419 default: 420 break; 421 } 422 423 if (bActionAllowed) { 424 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is" 425 " allowed.... StateToSet(%d), RfOffReason(%#X)\n", 426 StateToSet, priv->rtllib->RfOffReason); 427 PHY_SetRFPowerState(dev, StateToSet); 428 if (StateToSet == eRfOn) { 429 430 if (bConnectBySSID && priv->blinked_ingpio) { 431 queue_delayed_work_rsl(ieee->wq, 432 &ieee->associate_procedure_wq, 0); 433 priv->blinked_ingpio = false; 434 } 435 } 436 } else { 437 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): " 438 "Action is rejected.... StateToSet(%d), ChangeSource" 439 "(%#X), RfOffReason(%#X)\n", StateToSet, ChangeSource, 440 priv->rtllib->RfOffReason); 441 } 442 443 if (!ProtectOrNot) { 444 spin_lock_irqsave(&priv->rf_ps_lock, flag); 445 priv->RFChangeInProgress = false; 446 spin_unlock_irqrestore(&priv->rf_ps_lock, flag); 447 } 448 449 RT_TRACE((COMP_PS | COMP_RF), "<===MgntActSet_RF_State()\n"); 450 return bActionAllowed; 451} 452 453 454static short rtl8192_get_nic_desc_num(struct net_device *dev, int prio) 455{ 456 struct r8192_priv *priv = rtllib_priv(dev); 457 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio]; 458 459 /* For now, we reserved two free descriptor as a safety boundary 460 * between the tail and the head 461 */ 462 if ((prio == MGNT_QUEUE) && (skb_queue_len(&ring->queue) > 10)) 463 RT_TRACE(COMP_DBG, "-----[%d]---------ring->idx=%d " 464 "queue_len=%d---------\n", prio, ring->idx, 465 skb_queue_len(&ring->queue)); 466 return skb_queue_len(&ring->queue); 467} 468 469static short rtl8192_check_nic_enough_desc(struct net_device *dev, int prio) 470{ 471 struct r8192_priv *priv = rtllib_priv(dev); 472 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio]; 473 474 if (ring->entries - skb_queue_len(&ring->queue) >= 2) 475 return 1; 476 return 0; 477} 478 479void rtl8192_tx_timeout(struct net_device *dev) 480{ 481 struct r8192_priv *priv = rtllib_priv(dev); 482 483 schedule_work(&priv->reset_wq); 484 printk(KERN_INFO "TXTIMEOUT"); 485} 486 487void rtl8192_irq_enable(struct net_device *dev) 488{ 489 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 490 491 priv->irq_enabled = 1; 492 493 priv->ops->irq_enable(dev); 494} 495 496void rtl8192_irq_disable(struct net_device *dev) 497{ 498 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 499 500 priv->ops->irq_disable(dev); 501 502 priv->irq_enabled = 0; 503} 504 505void rtl8192_set_chan(struct net_device *dev, short ch) 506{ 507 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 508 509 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch); 510 if (priv->chan_forced) 511 return; 512 513 priv->chan = ch; 514 515 if (priv->rf_set_chan) 516 priv->rf_set_chan(dev, priv->chan); 517} 518 519void rtl8192_update_cap(struct net_device *dev, u16 cap) 520{ 521 struct r8192_priv *priv = rtllib_priv(dev); 522 struct rtllib_network *net = &priv->rtllib->current_network; 523 bool ShortPreamble; 524 525 if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE) { 526 if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT) { 527 ShortPreamble = true; 528 priv->dot11CurrentPreambleMode = PREAMBLE_SHORT; 529 RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_SHORT_" 530 "PREAMBLE\n", __func__); 531 priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE, 532 (unsigned char *)&ShortPreamble); 533 } 534 } else { 535 if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG) { 536 ShortPreamble = false; 537 priv->dot11CurrentPreambleMode = PREAMBLE_LONG; 538 RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_LONG_" 539 "PREAMBLE\n", __func__); 540 priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE, 541 (unsigned char *)&ShortPreamble); 542 } 543 } 544 545 if (net->mode & (IEEE_G|IEEE_N_24G)) { 546 u8 slot_time_val; 547 u8 CurSlotTime = priv->slot_time; 548 549 if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) && 550 (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime)) { 551 if (CurSlotTime != SHORT_SLOT_TIME) { 552 slot_time_val = SHORT_SLOT_TIME; 553 priv->rtllib->SetHwRegHandler(dev, 554 HW_VAR_SLOT_TIME, &slot_time_val); 555 } 556 } else { 557 if (CurSlotTime != NON_SHORT_SLOT_TIME) { 558 slot_time_val = NON_SHORT_SLOT_TIME; 559 priv->rtllib->SetHwRegHandler(dev, 560 HW_VAR_SLOT_TIME, &slot_time_val); 561 } 562 } 563 } 564} 565 566static struct rtllib_qos_parameters def_qos_parameters = { 567 {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)}, 568 {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)}, 569 {2, 2, 2, 2}, 570 {0, 0, 0, 0}, 571 {0, 0, 0, 0} 572}; 573 574static void rtl8192_update_beacon(void *data) 575{ 576 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, 577 update_beacon_wq.work); 578 struct net_device *dev = priv->rtllib->dev; 579 struct rtllib_device *ieee = priv->rtllib; 580 struct rtllib_network *net = &ieee->current_network; 581 582 if (ieee->pHTInfo->bCurrentHTSupport) 583 HT_update_self_and_peer_setting(ieee, net); 584 ieee->pHTInfo->bCurrentRT2RTLongSlotTime = 585 net->bssht.bdRT2RTLongSlotTime; 586 ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode; 587 rtl8192_update_cap(dev, net->capability); 588} 589 590static void rtl8192_qos_activate(void *data) 591{ 592 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, 593 qos_activate); 594 struct net_device *dev = priv->rtllib->dev; 595 int i; 596 597 mutex_lock(&priv->mutex); 598 if (priv->rtllib->state != RTLLIB_LINKED) 599 goto success; 600 RT_TRACE(COMP_QOS, "qos active process with associate response " 601 "received\n"); 602 603 for (i = 0; i < QOS_QUEUE_NUM; i++) 604 priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8 *)(&i)); 605 606 607success: 608 mutex_unlock(&priv->mutex); 609} 610 611static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv, 612 int active_network, 613 struct rtllib_network *network) 614{ 615 int ret = 0; 616 u32 size = sizeof(struct rtllib_qos_parameters); 617 618 if (priv->rtllib->state != RTLLIB_LINKED) 619 return ret; 620 621 if ((priv->rtllib->iw_mode != IW_MODE_INFRA)) 622 return ret; 623 624 if (network->flags & NETWORK_HAS_QOS_MASK) { 625 if (active_network && 626 (network->flags & NETWORK_HAS_QOS_PARAMETERS)) 627 network->qos_data.active = network->qos_data.supported; 628 629 if ((network->qos_data.active == 1) && (active_network == 1) && 630 (network->flags & NETWORK_HAS_QOS_PARAMETERS) && 631 (network->qos_data.old_param_count != 632 network->qos_data.param_count)) { 633 network->qos_data.old_param_count = 634 network->qos_data.param_count; 635 priv->rtllib->wmm_acm = network->qos_data.wmm_acm; 636 queue_work_rsl(priv->priv_wq, &priv->qos_activate); 637 RT_TRACE(COMP_QOS, "QoS parameters change call " 638 "qos_activate\n"); 639 } 640 } else { 641 memcpy(&priv->rtllib->current_network.qos_data.parameters, 642 &def_qos_parameters, size); 643 644 if ((network->qos_data.active == 1) && (active_network == 1)) { 645 queue_work_rsl(priv->priv_wq, &priv->qos_activate); 646 RT_TRACE(COMP_QOS, "QoS was disabled call qos_" 647 "activate\n"); 648 } 649 network->qos_data.active = 0; 650 network->qos_data.supported = 0; 651 } 652 653 return 0; 654} 655 656static int rtl8192_handle_beacon(struct net_device *dev, 657 struct rtllib_beacon *beacon, 658 struct rtllib_network *network) 659{ 660 struct r8192_priv *priv = rtllib_priv(dev); 661 662 rtl8192_qos_handle_probe_response(priv, 1, network); 663 664 queue_delayed_work_rsl(priv->priv_wq, &priv->update_beacon_wq, 0); 665 return 0; 666 667} 668 669static int rtl8192_qos_association_resp(struct r8192_priv *priv, 670 struct rtllib_network *network) 671{ 672 unsigned long flags; 673 u32 size = sizeof(struct rtllib_qos_parameters); 674 int set_qos_param = 0; 675 676 if ((priv == NULL) || (network == NULL)) 677 return 0; 678 679 if (priv->rtllib->state != RTLLIB_LINKED) 680 return 0; 681 682 if ((priv->rtllib->iw_mode != IW_MODE_INFRA)) 683 return 0; 684 685 spin_lock_irqsave(&priv->rtllib->lock, flags); 686 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) { 687 memcpy(&priv->rtllib->current_network.qos_data.parameters, 688 &network->qos_data.parameters, 689 sizeof(struct rtllib_qos_parameters)); 690 priv->rtllib->current_network.qos_data.active = 1; 691 priv->rtllib->wmm_acm = network->qos_data.wmm_acm; 692 set_qos_param = 1; 693 priv->rtllib->current_network.qos_data.old_param_count = 694 priv->rtllib->current_network.qos_data.param_count; 695 priv->rtllib->current_network.qos_data.param_count = 696 network->qos_data.param_count; 697 } else { 698 memcpy(&priv->rtllib->current_network.qos_data.parameters, 699 &def_qos_parameters, size); 700 priv->rtllib->current_network.qos_data.active = 0; 701 priv->rtllib->current_network.qos_data.supported = 0; 702 set_qos_param = 1; 703 } 704 705 spin_unlock_irqrestore(&priv->rtllib->lock, flags); 706 707 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__, 708 network->flags, priv->rtllib->current_network.qos_data.active); 709 if (set_qos_param == 1) { 710 dm_init_edca_turbo(priv->rtllib->dev); 711 queue_work_rsl(priv->priv_wq, &priv->qos_activate); 712 } 713 return 0; 714} 715 716static int rtl8192_handle_assoc_response(struct net_device *dev, 717 struct rtllib_assoc_response_frame *resp, 718 struct rtllib_network *network) 719{ 720 struct r8192_priv *priv = rtllib_priv(dev); 721 722 rtl8192_qos_association_resp(priv, network); 723 return 0; 724} 725 726static void rtl8192_prepare_beacon(struct r8192_priv *priv) 727{ 728 struct net_device *dev = priv->rtllib->dev; 729 struct sk_buff *pskb = NULL, *pnewskb = NULL; 730 struct cb_desc *tcb_desc = NULL; 731 struct rtl8192_tx_ring *ring = NULL; 732 struct tx_desc *pdesc = NULL; 733 734 ring = &priv->tx_ring[BEACON_QUEUE]; 735 pskb = __skb_dequeue(&ring->queue); 736 kfree_skb(pskb); 737 738 pnewskb = rtllib_get_beacon(priv->rtllib); 739 if (!pnewskb) 740 return; 741 742 tcb_desc = (struct cb_desc *)(pnewskb->cb + 8); 743 tcb_desc->queue_index = BEACON_QUEUE; 744 tcb_desc->data_rate = 2; 745 tcb_desc->RATRIndex = 7; 746 tcb_desc->bTxDisableRateFallBack = 1; 747 tcb_desc->bTxUseDriverAssingedRate = 1; 748 skb_push(pnewskb, priv->rtllib->tx_headroom); 749 750 pdesc = &ring->desc[0]; 751 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb); 752 __skb_queue_tail(&ring->queue, pnewskb); 753 pdesc->OWN = 1; 754 755 return; 756} 757 758static void rtl8192_stop_beacon(struct net_device *dev) 759{ 760} 761 762void rtl8192_config_rate(struct net_device *dev, u16 *rate_config) 763{ 764 struct r8192_priv *priv = rtllib_priv(dev); 765 struct rtllib_network *net; 766 u8 i = 0, basic_rate = 0; 767 768 net = &priv->rtllib->current_network; 769 770 for (i = 0; i < net->rates_len; i++) { 771 basic_rate = net->rates[i] & 0x7f; 772 switch (basic_rate) { 773 case MGN_1M: 774 *rate_config |= RRSR_1M; 775 break; 776 case MGN_2M: 777 *rate_config |= RRSR_2M; 778 break; 779 case MGN_5_5M: 780 *rate_config |= RRSR_5_5M; 781 break; 782 case MGN_11M: 783 *rate_config |= RRSR_11M; 784 break; 785 case MGN_6M: 786 *rate_config |= RRSR_6M; 787 break; 788 case MGN_9M: 789 *rate_config |= RRSR_9M; 790 break; 791 case MGN_12M: 792 *rate_config |= RRSR_12M; 793 break; 794 case MGN_18M: 795 *rate_config |= RRSR_18M; 796 break; 797 case MGN_24M: 798 *rate_config |= RRSR_24M; 799 break; 800 case MGN_36M: 801 *rate_config |= RRSR_36M; 802 break; 803 case MGN_48M: 804 *rate_config |= RRSR_48M; 805 break; 806 case MGN_54M: 807 *rate_config |= RRSR_54M; 808 break; 809 } 810 } 811 812 for (i = 0; i < net->rates_ex_len; i++) { 813 basic_rate = net->rates_ex[i] & 0x7f; 814 switch (basic_rate) { 815 case MGN_1M: 816 *rate_config |= RRSR_1M; 817 break; 818 case MGN_2M: 819 *rate_config |= RRSR_2M; 820 break; 821 case MGN_5_5M: 822 *rate_config |= RRSR_5_5M; 823 break; 824 case MGN_11M: 825 *rate_config |= RRSR_11M; 826 break; 827 case MGN_6M: 828 *rate_config |= RRSR_6M; 829 break; 830 case MGN_9M: 831 *rate_config |= RRSR_9M; 832 break; 833 case MGN_12M: 834 *rate_config |= RRSR_12M; 835 break; 836 case MGN_18M: 837 *rate_config |= RRSR_18M; 838 break; 839 case MGN_24M: 840 *rate_config |= RRSR_24M; 841 break; 842 case MGN_36M: 843 *rate_config |= RRSR_36M; 844 break; 845 case MGN_48M: 846 *rate_config |= RRSR_48M; 847 break; 848 case MGN_54M: 849 *rate_config |= RRSR_54M; 850 break; 851 } 852 } 853} 854 855static void rtl8192_refresh_supportrate(struct r8192_priv *priv) 856{ 857 struct rtllib_device *ieee = priv->rtllib; 858 859 if (ieee->mode == WIRELESS_MODE_N_24G || 860 ieee->mode == WIRELESS_MODE_N_5G) { 861 memcpy(ieee->Regdot11HTOperationalRateSet, 862 ieee->RegHTSuppRateSet, 16); 863 memcpy(ieee->Regdot11TxHTOperationalRateSet, 864 ieee->RegHTSuppRateSet, 16); 865 866 } else { 867 memset(ieee->Regdot11HTOperationalRateSet, 0, 16); 868 } 869 return; 870} 871 872static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev) 873{ 874 struct r8192_priv *priv = rtllib_priv(dev); 875 u8 ret = 0; 876 877 switch (priv->rf_chip) { 878 case RF_8225: 879 case RF_8256: 880 case RF_6052: 881 case RF_PSEUDO_11N: 882 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B); 883 break; 884 case RF_8258: 885 ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G); 886 break; 887 default: 888 ret = WIRELESS_MODE_B; 889 break; 890 } 891 return ret; 892} 893 894void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode) 895{ 896 struct r8192_priv *priv = rtllib_priv(dev); 897 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev); 898 899 if ((wireless_mode == WIRELESS_MODE_AUTO) || 900 ((wireless_mode & bSupportMode) == 0)) { 901 if (bSupportMode & WIRELESS_MODE_N_24G) { 902 wireless_mode = WIRELESS_MODE_N_24G; 903 } else if (bSupportMode & WIRELESS_MODE_N_5G) { 904 wireless_mode = WIRELESS_MODE_N_5G; 905 } else if ((bSupportMode & WIRELESS_MODE_A)) { 906 wireless_mode = WIRELESS_MODE_A; 907 } else if ((bSupportMode & WIRELESS_MODE_G)) { 908 wireless_mode = WIRELESS_MODE_G; 909 } else if ((bSupportMode & WIRELESS_MODE_B)) { 910 wireless_mode = WIRELESS_MODE_B; 911 } else { 912 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode " 913 "supported (%x)!!!\n", __func__, bSupportMode); 914 wireless_mode = WIRELESS_MODE_B; 915 } 916 } 917 918 if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) == 919 (WIRELESS_MODE_G | WIRELESS_MODE_B)) 920 wireless_mode = WIRELESS_MODE_G; 921 922 priv->rtllib->mode = wireless_mode; 923 924 ActUpdateChannelAccessSetting(dev, wireless_mode, 925 &priv->ChannelAccessSetting); 926 927 if ((wireless_mode == WIRELESS_MODE_N_24G) || 928 (wireless_mode == WIRELESS_MODE_N_5G)) { 929 priv->rtllib->pHTInfo->bEnableHT = 1; 930 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n", 931 __func__, wireless_mode); 932 } else { 933 priv->rtllib->pHTInfo->bEnableHT = 0; 934 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n", 935 __func__, wireless_mode); 936 } 937 938 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode); 939 rtl8192_refresh_supportrate(priv); 940} 941 942static int _rtl8192_sta_up(struct net_device *dev, bool is_silent_reset) 943{ 944 struct r8192_priv *priv = rtllib_priv(dev); 945 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *) 946 (&(priv->rtllib->PowerSaveControl)); 947 bool init_status = true; 948 949 priv->bDriverIsGoingToUnload = false; 950 priv->bdisable_nic = false; 951 952 priv->up = 1; 953 priv->rtllib->ieee_up = 1; 954 955 priv->up_first_time = 0; 956 RT_TRACE(COMP_INIT, "Bringing up iface"); 957 priv->bfirst_init = true; 958 init_status = priv->ops->initialize_adapter(dev); 959 if (!init_status) { 960 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n", 961 __func__); 962 priv->bfirst_init = false; 963 return -1; 964 } 965 966 RT_TRACE(COMP_INIT, "start adapter finished\n"); 967 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC); 968 priv->bfirst_init = false; 969 970 if (priv->polling_timer_on == 0) 971 check_rfctrl_gpio_timer((unsigned long)dev); 972 973 if (priv->rtllib->state != RTLLIB_LINKED) 974 rtllib_softmac_start_protocol(priv->rtllib, 0); 975 rtllib_reset_queue(priv->rtllib); 976 watch_dog_timer_callback((unsigned long) dev); 977 978 if (!netif_queue_stopped(dev)) 979 netif_start_queue(dev); 980 else 981 netif_wake_queue(dev); 982 983 return 0; 984} 985 986static int rtl8192_sta_down(struct net_device *dev, bool shutdownrf) 987{ 988 struct r8192_priv *priv = rtllib_priv(dev); 989 unsigned long flags = 0; 990 u8 RFInProgressTimeOut = 0; 991 992 if (priv->up == 0) 993 return -1; 994 995 if (priv->rtllib->rtllib_ips_leave != NULL) 996 priv->rtllib->rtllib_ips_leave(dev); 997 998 if (priv->rtllib->state == RTLLIB_LINKED) 999 LeisurePSLeave(dev); 1000 1001 priv->bDriverIsGoingToUnload = true; 1002 priv->up = 0; 1003 priv->rtllib->ieee_up = 0; 1004 priv->bfirst_after_down = true; 1005 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__); 1006 if (!netif_queue_stopped(dev)) 1007 netif_stop_queue(dev); 1008 1009 priv->rtllib->wpa_ie_len = 0; 1010 kfree(priv->rtllib->wpa_ie); 1011 priv->rtllib->wpa_ie = NULL; 1012 CamResetAllEntry(dev); 1013 memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32); 1014 rtl8192_irq_disable(dev); 1015 1016 del_timer_sync(&priv->watch_dog_timer); 1017 rtl8192_cancel_deferred_work(priv); 1018 cancel_delayed_work(&priv->rtllib->hw_wakeup_wq); 1019 1020 rtllib_softmac_stop_protocol(priv->rtllib, 0, true); 1021 spin_lock_irqsave(&priv->rf_ps_lock, flags); 1022 while (priv->RFChangeInProgress) { 1023 spin_unlock_irqrestore(&priv->rf_ps_lock, flags); 1024 if (RFInProgressTimeOut > 100) { 1025 spin_lock_irqsave(&priv->rf_ps_lock, flags); 1026 break; 1027 } 1028 RT_TRACE(COMP_DBG, "===>%s():RF is in progress, need to wait " 1029 "until rf change is done.\n", __func__); 1030 mdelay(1); 1031 RFInProgressTimeOut++; 1032 spin_lock_irqsave(&priv->rf_ps_lock, flags); 1033 } 1034 priv->RFChangeInProgress = true; 1035 spin_unlock_irqrestore(&priv->rf_ps_lock, flags); 1036 priv->ops->stop_adapter(dev, false); 1037 spin_lock_irqsave(&priv->rf_ps_lock, flags); 1038 priv->RFChangeInProgress = false; 1039 spin_unlock_irqrestore(&priv->rf_ps_lock, flags); 1040 udelay(100); 1041 memset(&priv->rtllib->current_network, 0, 1042 offsetof(struct rtllib_network, list)); 1043 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__); 1044 1045 return 0; 1046} 1047 1048static void rtl8192_init_priv_handler(struct net_device *dev) 1049{ 1050 struct r8192_priv *priv = rtllib_priv(dev); 1051 1052 priv->rtllib->softmac_hard_start_xmit = rtl8192_hard_start_xmit; 1053 priv->rtllib->set_chan = rtl8192_set_chan; 1054 priv->rtllib->link_change = priv->ops->link_change; 1055 priv->rtllib->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit; 1056 priv->rtllib->data_hard_stop = rtl8192_data_hard_stop; 1057 priv->rtllib->data_hard_resume = rtl8192_data_hard_resume; 1058 priv->rtllib->check_nic_enough_desc = rtl8192_check_nic_enough_desc; 1059 priv->rtllib->get_nic_desc_num = rtl8192_get_nic_desc_num; 1060 priv->rtllib->handle_assoc_response = rtl8192_handle_assoc_response; 1061 priv->rtllib->handle_beacon = rtl8192_handle_beacon; 1062 priv->rtllib->SetWirelessMode = rtl8192_SetWirelessMode; 1063 priv->rtllib->LeisurePSLeave = LeisurePSLeave; 1064 priv->rtllib->SetBWModeHandler = rtl8192_SetBWMode; 1065 priv->rf_set_chan = rtl8192_phy_SwChnl; 1066 1067 priv->rtllib->start_send_beacons = rtl8192e_start_beacon; 1068 priv->rtllib->stop_send_beacons = rtl8192_stop_beacon; 1069 1070 priv->rtllib->sta_wake_up = rtl8192_hw_wakeup; 1071 priv->rtllib->enter_sleep_state = rtl8192_hw_to_sleep; 1072 priv->rtllib->ps_is_queue_empty = rtl8192_is_tx_queue_empty; 1073 1074 priv->rtllib->GetNmodeSupportBySecCfg = rtl8192_GetNmodeSupportBySecCfg; 1075 priv->rtllib->GetHalfNmodeSupportByAPsHandler = 1076 rtl8192_GetHalfNmodeSupportByAPs; 1077 1078 priv->rtllib->SetHwRegHandler = rtl8192e_SetHwReg; 1079 priv->rtllib->AllowAllDestAddrHandler = rtl8192_AllowAllDestAddr; 1080 priv->rtllib->SetFwCmdHandler = NULL; 1081 priv->rtllib->InitialGainHandler = InitialGain819xPci; 1082 priv->rtllib->rtllib_ips_leave_wq = rtllib_ips_leave_wq; 1083 priv->rtllib->rtllib_ips_leave = rtllib_ips_leave; 1084 1085 priv->rtllib->LedControlHandler = NULL; 1086 priv->rtllib->UpdateBeaconInterruptHandler = NULL; 1087 1088 priv->rtllib->ScanOperationBackupHandler = PHY_ScanOperationBackup8192; 1089 1090 priv->rtllib->rtllib_rfkill_poll = NULL; 1091} 1092 1093static void rtl8192_init_priv_constant(struct net_device *dev) 1094{ 1095 struct r8192_priv *priv = rtllib_priv(dev); 1096 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *) 1097 &(priv->rtllib->PowerSaveControl); 1098 1099 pPSC->RegMaxLPSAwakeIntvl = 5; 1100 1101 priv->RegPciASPM = 2; 1102 1103 priv->RegDevicePciASPMSetting = 0x03; 1104 1105 priv->RegHostPciASPMSetting = 0x02; 1106 1107 priv->RegHwSwRfOffD3 = 2; 1108 1109 priv->RegSupportPciASPM = 2; 1110} 1111 1112 1113static void rtl8192_init_priv_variable(struct net_device *dev) 1114{ 1115 struct r8192_priv *priv = rtllib_priv(dev); 1116 u8 i; 1117 1118 priv->AcmMethod = eAcmWay2_SW; 1119 priv->dot11CurrentPreambleMode = PREAMBLE_AUTO; 1120 priv->rtllib->hwscan_sem_up = 1; 1121 priv->rtllib->status = 0; 1122 priv->H2CTxCmdSeq = 0; 1123 priv->bDisableFrameBursting = false; 1124 priv->bDMInitialGainEnable = true; 1125 priv->polling_timer_on = 0; 1126 priv->up_first_time = 1; 1127 priv->blinked_ingpio = false; 1128 priv->bDriverIsGoingToUnload = false; 1129 priv->being_init_adapter = false; 1130 priv->initialized_at_probe = false; 1131 priv->sw_radio_on = true; 1132 priv->bdisable_nic = false; 1133 priv->bfirst_init = false; 1134 priv->txringcount = 64; 1135 priv->rxbuffersize = 9100; 1136 priv->rxringcount = MAX_RX_COUNT; 1137 priv->irq_enabled = 0; 1138 priv->chan = 1; 1139 priv->RegWirelessMode = WIRELESS_MODE_AUTO; 1140 priv->RegChannelPlan = 0xf; 1141 priv->nrxAMPDU_size = 0; 1142 priv->nrxAMPDU_aggr_num = 0; 1143 priv->last_rxdesc_tsf_high = 0; 1144 priv->last_rxdesc_tsf_low = 0; 1145 priv->rtllib->mode = WIRELESS_MODE_AUTO; 1146 priv->rtllib->iw_mode = IW_MODE_INFRA; 1147 priv->rtllib->bNetPromiscuousMode = false; 1148 priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false; 1149 priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame = 1150 false; 1151 priv->rtllib->ieee_up = 0; 1152 priv->retry_rts = DEFAULT_RETRY_RTS; 1153 priv->retry_data = DEFAULT_RETRY_DATA; 1154 priv->rtllib->rts = DEFAULT_RTS_THRESHOLD; 1155 priv->rtllib->rate = 110; 1156 priv->rtllib->short_slot = 1; 1157 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0; 1158 priv->bcck_in_ch14 = false; 1159 priv->bfsync_processing = false; 1160 priv->CCKPresentAttentuation = 0; 1161 priv->rfa_txpowertrackingindex = 0; 1162 priv->rfc_txpowertrackingindex = 0; 1163 priv->CckPwEnl = 6; 1164 priv->ScanDelay = 50; 1165 priv->ResetProgress = RESET_TYPE_NORESET; 1166 priv->bForcedSilentReset = false; 1167 priv->bDisableNormalResetCheck = false; 1168 priv->force_reset = false; 1169 memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32); 1170 1171 memset(&priv->InterruptLog, 0, sizeof(struct log_int_8190)); 1172 priv->RxCounter = 0; 1173 priv->rtllib->wx_set_enc = 0; 1174 priv->bHwRadioOff = false; 1175 priv->RegRfOff = false; 1176 priv->isRFOff = false; 1177 priv->bInPowerSaveMode = false; 1178 priv->rtllib->RfOffReason = 0; 1179 priv->RFChangeInProgress = false; 1180 priv->bHwRfOffAction = 0; 1181 priv->SetRFPowerStateInProgress = false; 1182 priv->rtllib->PowerSaveControl.bInactivePs = true; 1183 priv->rtllib->PowerSaveControl.bIPSModeBackup = false; 1184 priv->rtllib->PowerSaveControl.bLeisurePs = true; 1185 priv->rtllib->PowerSaveControl.bFwCtrlLPS = false; 1186 priv->rtllib->LPSDelayCnt = 0; 1187 priv->rtllib->sta_sleep = LPS_IS_WAKE; 1188 priv->rtllib->eRFPowerState = eRfOn; 1189 1190 priv->txpower_checkcnt = 0; 1191 priv->thermal_readback_index = 0; 1192 priv->txpower_tracking_callback_cnt = 0; 1193 priv->ccktxpower_adjustcnt_ch14 = 0; 1194 priv->ccktxpower_adjustcnt_not_ch14 = 0; 1195 1196 priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL; 1197 priv->rtllib->iw_mode = IW_MODE_INFRA; 1198 priv->rtllib->active_scan = 1; 1199 priv->rtllib->be_scan_inprogress = false; 1200 priv->rtllib->modulation = RTLLIB_CCK_MODULATION | 1201 RTLLIB_OFDM_MODULATION; 1202 priv->rtllib->host_encrypt = 1; 1203 priv->rtllib->host_decrypt = 1; 1204 1205 priv->rtllib->dot11PowerSaveMode = eActive; 1206 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD; 1207 priv->rtllib->MaxMssDensity = 0; 1208 priv->rtllib->MinSpaceCfg = 0; 1209 1210 priv->card_type = PCI; 1211 1212 priv->AcmControl = 0; 1213 priv->pFirmware = vzalloc(sizeof(struct rt_firmware)); 1214 if (!priv->pFirmware) 1215 printk(KERN_ERR "rtl8192e: Unable to allocate space " 1216 "for firmware\n"); 1217 1218 skb_queue_head_init(&priv->rx_queue); 1219 skb_queue_head_init(&priv->skb_queue); 1220 1221 for (i = 0; i < MAX_QUEUE_SIZE; i++) 1222 skb_queue_head_init(&priv->rtllib->skb_waitQ[i]); 1223 for (i = 0; i < MAX_QUEUE_SIZE; i++) 1224 skb_queue_head_init(&priv->rtllib->skb_aggQ[i]); 1225} 1226 1227static void rtl8192_init_priv_lock(struct r8192_priv *priv) 1228{ 1229 spin_lock_init(&priv->fw_scan_lock); 1230 spin_lock_init(&priv->tx_lock); 1231 spin_lock_init(&priv->irq_lock); 1232 spin_lock_init(&priv->irq_th_lock); 1233 spin_lock_init(&priv->rf_ps_lock); 1234 spin_lock_init(&priv->ps_lock); 1235 spin_lock_init(&priv->rf_lock); 1236 spin_lock_init(&priv->rt_h2c_lock); 1237 sema_init(&priv->wx_sem, 1); 1238 sema_init(&priv->rf_sem, 1); 1239 mutex_init(&priv->mutex); 1240} 1241 1242static void rtl8192_init_priv_task(struct net_device *dev) 1243{ 1244 struct r8192_priv *priv = rtllib_priv(dev); 1245 1246 priv->priv_wq = create_workqueue(DRV_NAME); 1247 INIT_WORK_RSL(&priv->reset_wq, (void *)rtl8192_restart, dev); 1248 INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void *)IPSLeave_wq, dev); 1249 INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq, 1250 (void *)rtl819x_watchdog_wqcallback, dev); 1251 INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq, 1252 (void *)dm_txpower_trackingcallback, dev); 1253 INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq, 1254 (void *)dm_rf_pathcheck_workitemcallback, dev); 1255 INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq, 1256 (void *)rtl8192_update_beacon, dev); 1257 INIT_WORK_RSL(&priv->qos_activate, (void *)rtl8192_qos_activate, dev); 1258 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq, 1259 (void *) rtl8192_hw_wakeup_wq, dev); 1260 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq, 1261 (void *) rtl8192_hw_sleep_wq, dev); 1262 tasklet_init(&priv->irq_rx_tasklet, 1263 (void(*)(unsigned long))rtl8192_irq_rx_tasklet, 1264 (unsigned long)priv); 1265 tasklet_init(&priv->irq_tx_tasklet, 1266 (void(*)(unsigned long))rtl8192_irq_tx_tasklet, 1267 (unsigned long)priv); 1268 tasklet_init(&priv->irq_prepare_beacon_tasklet, 1269 (void(*)(unsigned long))rtl8192_prepare_beacon, 1270 (unsigned long)priv); 1271} 1272 1273static short rtl8192_get_channel_map(struct net_device *dev) 1274{ 1275 int i; 1276 1277 struct r8192_priv *priv = rtllib_priv(dev); 1278 1279 if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256) 1280 && (priv->rf_chip != RF_6052)) { 1281 RT_TRACE(COMP_ERR, "%s: unknown rf chip, can't set channel " 1282 "map\n", __func__); 1283 return -1; 1284 } 1285 1286 if (priv->ChannelPlan >= COUNTRY_CODE_MAX) { 1287 printk(KERN_INFO "rtl819x_init:Error channel plan! Set to " 1288 "default.\n"); 1289 priv->ChannelPlan = COUNTRY_CODE_FCC; 1290 } 1291 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan); 1292 dot11d_init(priv->rtllib); 1293 Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib); 1294 for (i = 1; i <= 11; i++) 1295 (priv->rtllib->active_channel_map)[i] = 1; 1296 (priv->rtllib->active_channel_map)[12] = 2; 1297 (priv->rtllib->active_channel_map)[13] = 2; 1298 1299 return 0; 1300} 1301 1302static short rtl8192_init(struct net_device *dev) 1303{ 1304 struct r8192_priv *priv = rtllib_priv(dev); 1305 1306 memset(&(priv->stats), 0, sizeof(struct rt_stats)); 1307 1308 rtl8192_init_priv_handler(dev); 1309 rtl8192_init_priv_constant(dev); 1310 rtl8192_init_priv_variable(dev); 1311 rtl8192_init_priv_lock(priv); 1312 rtl8192_init_priv_task(dev); 1313 priv->ops->get_eeprom_size(dev); 1314 priv->ops->init_adapter_variable(dev); 1315 rtl8192_get_channel_map(dev); 1316 1317 init_hal_dm(dev); 1318 1319 init_timer(&priv->watch_dog_timer); 1320 setup_timer(&priv->watch_dog_timer, 1321 watch_dog_timer_callback, 1322 (unsigned long) dev); 1323 1324 init_timer(&priv->gpio_polling_timer); 1325 setup_timer(&priv->gpio_polling_timer, 1326 check_rfctrl_gpio_timer, 1327 (unsigned long)dev); 1328 1329 rtl8192_irq_disable(dev); 1330 if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, 1331 dev->name, dev)) { 1332 printk(KERN_ERR "Error allocating IRQ %d", dev->irq); 1333 return -1; 1334 } else { 1335 priv->irq = dev->irq; 1336 RT_TRACE(COMP_INIT, "IRQ %d\n", dev->irq); 1337 } 1338 1339 if (rtl8192_pci_initdescring(dev) != 0) { 1340 printk(KERN_ERR "Endopoints initialization failed"); 1341 free_irq(dev->irq, dev); 1342 return -1; 1343 } 1344 1345 return 0; 1346} 1347 1348/*************************************************************************** 1349 -------------------------------WATCHDOG STUFF--------------------------- 1350***************************************************************************/ 1351short rtl8192_is_tx_queue_empty(struct net_device *dev) 1352{ 1353 int i = 0; 1354 struct r8192_priv *priv = rtllib_priv(dev); 1355 1356 for (i = 0; i <= MGNT_QUEUE; i++) { 1357 if ((i == TXCMD_QUEUE) || (i == HCCA_QUEUE)) 1358 continue; 1359 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0) { 1360 printk(KERN_INFO "===>tx queue is not empty:%d, %d\n", 1361 i, skb_queue_len(&(&priv->tx_ring[i])->queue)); 1362 return 0; 1363 } 1364 } 1365 return 1; 1366} 1367 1368static enum reset_type rtl819x_TxCheckStuck(struct net_device *dev) 1369{ 1370 struct r8192_priv *priv = rtllib_priv(dev); 1371 u8 QueueID; 1372 u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE; 1373 bool bCheckFwTxCnt = false; 1374 struct rtl8192_tx_ring *ring = NULL; 1375 struct sk_buff *skb = NULL; 1376 struct cb_desc *tcb_desc = NULL; 1377 unsigned long flags = 0; 1378 1379 switch (priv->rtllib->ps) { 1380 case RTLLIB_PS_DISABLED: 1381 ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL; 1382 break; 1383 case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST): 1384 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE; 1385 break; 1386 default: 1387 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE; 1388 break; 1389 } 1390 spin_lock_irqsave(&priv->irq_th_lock, flags); 1391 for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++) { 1392 if (QueueID == TXCMD_QUEUE) 1393 continue; 1394 1395 if (QueueID == BEACON_QUEUE) 1396 continue; 1397 1398 ring = &priv->tx_ring[QueueID]; 1399 1400 if (skb_queue_len(&ring->queue) == 0) { 1401 continue; 1402 } else { 1403 skb = (&ring->queue)->next; 1404 tcb_desc = (struct cb_desc *)(skb->cb + 1405 MAX_DEV_ADDR_SIZE); 1406 tcb_desc->nStuckCount++; 1407 bCheckFwTxCnt = true; 1408 if (tcb_desc->nStuckCount > 1) 1409 printk(KERN_INFO "%s: QueueID=%d tcb_desc->n" 1410 "StuckCount=%d\n", __func__, QueueID, 1411 tcb_desc->nStuckCount); 1412 } 1413 } 1414 spin_unlock_irqrestore(&priv->irq_th_lock, flags); 1415 1416 if (bCheckFwTxCnt) { 1417 if (priv->ops->TxCheckStuckHandler(dev)) { 1418 RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no" 1419 " Tx condition!\n"); 1420 return RESET_TYPE_SILENT; 1421 } 1422 } 1423 1424 return RESET_TYPE_NORESET; 1425} 1426 1427static enum reset_type rtl819x_RxCheckStuck(struct net_device *dev) 1428{ 1429 struct r8192_priv *priv = rtllib_priv(dev); 1430 1431 if (priv->ops->RxCheckStuckHandler(dev)) { 1432 RT_TRACE(COMP_RESET, "RxStuck Condition\n"); 1433 return RESET_TYPE_SILENT; 1434 } 1435 1436 return RESET_TYPE_NORESET; 1437} 1438 1439static enum reset_type rtl819x_ifcheck_resetornot(struct net_device *dev) 1440{ 1441 struct r8192_priv *priv = rtllib_priv(dev); 1442 enum reset_type TxResetType = RESET_TYPE_NORESET; 1443 enum reset_type RxResetType = RESET_TYPE_NORESET; 1444 enum rt_rf_power_state rfState; 1445 1446 rfState = priv->rtllib->eRFPowerState; 1447 1448 if (rfState == eRfOn) 1449 TxResetType = rtl819x_TxCheckStuck(dev); 1450 1451 if (rfState == eRfOn && 1452 (priv->rtllib->iw_mode == IW_MODE_INFRA) && 1453 (priv->rtllib->state == RTLLIB_LINKED)) 1454 RxResetType = rtl819x_RxCheckStuck(dev); 1455 1456 if (TxResetType == RESET_TYPE_NORMAL || 1457 RxResetType == RESET_TYPE_NORMAL) { 1458 printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n", 1459 __func__, TxResetType, RxResetType); 1460 return RESET_TYPE_NORMAL; 1461 } else if (TxResetType == RESET_TYPE_SILENT || 1462 RxResetType == RESET_TYPE_SILENT) { 1463 printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n", 1464 __func__, TxResetType, RxResetType); 1465 return RESET_TYPE_SILENT; 1466 } else { 1467 return RESET_TYPE_NORESET; 1468 } 1469 1470} 1471 1472static void rtl819x_silentreset_mesh_bk(struct net_device *dev, u8 IsPortal) 1473{ 1474} 1475 1476static void rtl819x_ifsilentreset(struct net_device *dev) 1477{ 1478 struct r8192_priv *priv = rtllib_priv(dev); 1479 u8 reset_times = 0; 1480 int reset_status = 0; 1481 struct rtllib_device *ieee = priv->rtllib; 1482 unsigned long flag; 1483 1484 u8 IsPortal = 0; 1485 1486 1487 if (priv->ResetProgress == RESET_TYPE_NORESET) { 1488 1489 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n"); 1490 1491 priv->ResetProgress = RESET_TYPE_SILENT; 1492 1493 spin_lock_irqsave(&priv->rf_ps_lock, flag); 1494 if (priv->RFChangeInProgress) { 1495 spin_unlock_irqrestore(&priv->rf_ps_lock, flag); 1496 goto END; 1497 } 1498 priv->RFChangeInProgress = true; 1499 priv->bResetInProgress = true; 1500 spin_unlock_irqrestore(&priv->rf_ps_lock, flag); 1501 1502RESET_START: 1503 1504 down(&priv->wx_sem); 1505 1506 if (priv->rtllib->state == RTLLIB_LINKED) 1507 LeisurePSLeave(dev); 1508 1509 if (IS_NIC_DOWN(priv)) { 1510 RT_TRACE(COMP_ERR, "%s():the driver is not up! " 1511 "return\n", __func__); 1512 up(&priv->wx_sem); 1513 return; 1514 } 1515 priv->up = 0; 1516 1517 RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n", 1518 __func__); 1519 mdelay(1000); 1520 RT_TRACE(COMP_RESET, "%s():111111111111111111111111======>start" 1521 " to down the driver\n", __func__); 1522 1523 if (!netif_queue_stopped(dev)) 1524 netif_stop_queue(dev); 1525 1526 rtl8192_irq_disable(dev); 1527 del_timer_sync(&priv->watch_dog_timer); 1528 rtl8192_cancel_deferred_work(priv); 1529 deinit_hal_dm(dev); 1530 rtllib_stop_scan_syncro(ieee); 1531 1532 if (ieee->state == RTLLIB_LINKED) { 1533 SEM_DOWN_IEEE_WX(&ieee->wx_sem); 1534 printk(KERN_INFO "ieee->state is RTLLIB_LINKED\n"); 1535 rtllib_stop_send_beacons(priv->rtllib); 1536 del_timer_sync(&ieee->associate_timer); 1537 cancel_delayed_work(&ieee->associate_retry_wq); 1538 rtllib_stop_scan(ieee); 1539 netif_carrier_off(dev); 1540 SEM_UP_IEEE_WX(&ieee->wx_sem); 1541 } else { 1542 printk(KERN_INFO "ieee->state is NOT LINKED\n"); 1543 rtllib_softmac_stop_protocol(priv->rtllib, 0 , true); 1544 } 1545 1546 dm_backup_dynamic_mechanism_state(dev); 1547 1548 up(&priv->wx_sem); 1549 RT_TRACE(COMP_RESET, "%s():<==========down process is " 1550 "finished\n", __func__); 1551 1552 RT_TRACE(COMP_RESET, "%s():<===========up process start\n", 1553 __func__); 1554 reset_status = _rtl8192_up(dev, true); 1555 1556 RT_TRACE(COMP_RESET, "%s():<===========up process is " 1557 "finished\n", __func__); 1558 if (reset_status == -1) { 1559 if (reset_times < 3) { 1560 reset_times++; 1561 goto RESET_START; 1562 } else { 1563 RT_TRACE(COMP_ERR, " ERR!!! %s(): Reset " 1564 "Failed!!\n", __func__); 1565 } 1566 } 1567 1568 ieee->is_silent_reset = 1; 1569 1570 spin_lock_irqsave(&priv->rf_ps_lock, flag); 1571 priv->RFChangeInProgress = false; 1572 spin_unlock_irqrestore(&priv->rf_ps_lock, flag); 1573 1574 EnableHWSecurityConfig8192(dev); 1575 1576 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == 1577 IW_MODE_INFRA) { 1578 ieee->set_chan(ieee->dev, 1579 ieee->current_network.channel); 1580 1581 queue_work_rsl(ieee->wq, &ieee->associate_complete_wq); 1582 1583 } else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == 1584 IW_MODE_ADHOC) { 1585 ieee->set_chan(ieee->dev, 1586 ieee->current_network.channel); 1587 ieee->link_change(ieee->dev); 1588 1589 notify_wx_assoc_event(ieee); 1590 1591 rtllib_start_send_beacons(ieee); 1592 1593 if (ieee->data_hard_resume) 1594 ieee->data_hard_resume(ieee->dev); 1595 netif_carrier_on(ieee->dev); 1596 } else if (ieee->iw_mode == IW_MODE_MESH) { 1597 rtl819x_silentreset_mesh_bk(dev, IsPortal); 1598 } 1599 1600 CamRestoreAllEntry(dev); 1601 dm_restore_dynamic_mechanism_state(dev); 1602END: 1603 priv->ResetProgress = RESET_TYPE_NORESET; 1604 priv->reset_count++; 1605 1606 priv->bForcedSilentReset = false; 1607 priv->bResetInProgress = false; 1608 1609 write_nic_byte(dev, UFWP, 1); 1610 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", 1611 priv->reset_count); 1612 } 1613} 1614 1615static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum, 1616 u32 *TotalRxDataNum) 1617{ 1618 u16 SlotIndex; 1619 u8 i; 1620 1621 *TotalRxBcnNum = 0; 1622 *TotalRxDataNum = 0; 1623 1624 SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++) % 1625 (priv->rtllib->LinkDetectInfo.SlotNum); 1626 priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] = 1627 priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod; 1628 priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] = 1629 priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod; 1630 for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) { 1631 *TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i]; 1632 *TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i]; 1633 } 1634} 1635 1636 1637void rtl819x_watchdog_wqcallback(void *data) 1638{ 1639 struct r8192_priv *priv = container_of_dwork_rsl(data, 1640 struct r8192_priv, watch_dog_wq); 1641 struct net_device *dev = priv->rtllib->dev; 1642 struct rtllib_device *ieee = priv->rtllib; 1643 enum reset_type ResetType = RESET_TYPE_NORESET; 1644 static u8 check_reset_cnt; 1645 unsigned long flags; 1646 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *) 1647 (&(priv->rtllib->PowerSaveControl)); 1648 bool bBusyTraffic = false; 1649 bool bHigherBusyTraffic = false; 1650 bool bHigherBusyRxTraffic = false; 1651 bool bEnterPS = false; 1652 1653 if (IS_NIC_DOWN(priv) || priv->bHwRadioOff) 1654 return; 1655 1656 if (priv->rtllib->state >= RTLLIB_LINKED) { 1657 if (priv->rtllib->CntAfterLink < 2) 1658 priv->rtllib->CntAfterLink++; 1659 } else { 1660 priv->rtllib->CntAfterLink = 0; 1661 } 1662 1663 hal_dm_watchdog(dev); 1664 1665 if (rtllib_act_scanning(priv->rtllib, false) == false) { 1666 if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == 1667 RTLLIB_NOLINK) && 1668 (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key && 1669 (!ieee->proto_stoppping) && !ieee->wx_set_enc) { 1670 if ((ieee->PowerSaveControl.ReturnPoint == 1671 IPS_CALLBACK_NONE) && 1672 (!ieee->bNetPromiscuousMode)) { 1673 RT_TRACE(COMP_PS, "====================>haha: " 1674 "IPSEnter()\n"); 1675 IPSEnter(dev); 1676 } 1677 } 1678 } 1679 if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode == 1680 IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode)) { 1681 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 100 || 1682 ieee->LinkDetectInfo.NumTxOkInPeriod > 100) 1683 bBusyTraffic = true; 1684 1685 1686 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 || 1687 ieee->LinkDetectInfo.NumTxOkInPeriod > 4000) { 1688 bHigherBusyTraffic = true; 1689 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000) 1690 bHigherBusyRxTraffic = true; 1691 else 1692 bHigherBusyRxTraffic = false; 1693 } 1694 1695 if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + 1696 ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) || 1697 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2)) 1698 bEnterPS = false; 1699 else 1700 bEnterPS = true; 1701 1702 if (ieee->current_network.beacon_interval < 95) 1703 bEnterPS = false; 1704 1705 if (bEnterPS) 1706 LeisurePSEnter(dev); 1707 else 1708 LeisurePSLeave(dev); 1709 1710 } else { 1711 RT_TRACE(COMP_LPS, "====>no link LPS leave\n"); 1712 LeisurePSLeave(dev); 1713 } 1714 1715 ieee->LinkDetectInfo.NumRxOkInPeriod = 0; 1716 ieee->LinkDetectInfo.NumTxOkInPeriod = 0; 1717 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0; 1718 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic; 1719 1720 ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic; 1721 ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic; 1722 1723 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) { 1724 u32 TotalRxBcnNum = 0; 1725 u32 TotalRxDataNum = 0; 1726 1727 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum); 1728 1729 if ((TotalRxBcnNum+TotalRxDataNum) == 0) 1730 priv->check_roaming_cnt++; 1731 else 1732 priv->check_roaming_cnt = 0; 1733 1734 1735 if (priv->check_roaming_cnt > 0) { 1736 if (ieee->eRFPowerState == eRfOff) 1737 RT_TRACE(COMP_ERR, "========>%s()\n", __func__); 1738 1739 printk(KERN_INFO "===>%s(): AP is power off, chan:%d," 1740 " connect another one\n", __func__, priv->chan); 1741 1742 ieee->state = RTLLIB_ASSOCIATING; 1743 1744 RemovePeerTS(priv->rtllib, 1745 priv->rtllib->current_network.bssid); 1746 ieee->is_roaming = true; 1747 ieee->is_set_key = false; 1748 ieee->link_change(dev); 1749 if (ieee->LedControlHandler) 1750 ieee->LedControlHandler(ieee->dev, 1751 LED_CTL_START_TO_LINK); 1752 1753 notify_wx_assoc_event(ieee); 1754 1755 if (!(ieee->rtllib_ap_sec_type(ieee) & 1756 (SEC_ALG_CCMP|SEC_ALG_TKIP))) 1757 queue_delayed_work_rsl(ieee->wq, 1758 &ieee->associate_procedure_wq, 0); 1759 1760 priv->check_roaming_cnt = 0; 1761 } 1762 ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0; 1763 ieee->LinkDetectInfo.NumRecvDataInPeriod = 0; 1764 1765 } 1766 1767 spin_lock_irqsave(&priv->tx_lock, flags); 1768 if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) && 1769 (!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing)) { 1770 ResetType = rtl819x_ifcheck_resetornot(dev); 1771 check_reset_cnt = 3; 1772 } 1773 spin_unlock_irqrestore(&priv->tx_lock, flags); 1774 1775 if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL) { 1776 priv->ResetProgress = RESET_TYPE_NORMAL; 1777 RT_TRACE(COMP_RESET, "%s(): NOMAL RESET\n", __func__); 1778 return; 1779 } 1780 1781 if (((priv->force_reset) || (!priv->bDisableNormalResetCheck && 1782 ResetType == RESET_TYPE_SILENT))) 1783 rtl819x_ifsilentreset(dev); 1784 priv->force_reset = false; 1785 priv->bForcedSilentReset = false; 1786 priv->bResetInProgress = false; 1787 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n"); 1788} 1789 1790void watch_dog_timer_callback(unsigned long data) 1791{ 1792 struct r8192_priv *priv = rtllib_priv((struct net_device *)data); 1793 1794 queue_delayed_work_rsl(priv->priv_wq, &priv->watch_dog_wq, 0); 1795 mod_timer(&priv->watch_dog_timer, jiffies + 1796 MSECS(RTLLIB_WATCH_DOG_TIME)); 1797} 1798 1799/**************************************************************************** 1800 ---------------------------- NIC TX/RX STUFF--------------------------- 1801*****************************************************************************/ 1802void rtl8192_rx_enable(struct net_device *dev) 1803{ 1804 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 1805 1806 priv->ops->rx_enable(dev); 1807} 1808 1809void rtl8192_tx_enable(struct net_device *dev) 1810{ 1811 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 1812 1813 priv->ops->tx_enable(dev); 1814 1815 rtllib_reset_queue(priv->rtllib); 1816} 1817 1818 1819static void rtl8192_free_rx_ring(struct net_device *dev) 1820{ 1821 struct r8192_priv *priv = rtllib_priv(dev); 1822 int i, rx_queue_idx; 1823 1824 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; 1825 rx_queue_idx++) { 1826 for (i = 0; i < priv->rxringcount; i++) { 1827 struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i]; 1828 1829 if (!skb) 1830 continue; 1831 1832 pci_unmap_single(priv->pdev, 1833 *((dma_addr_t *)skb->cb), 1834 priv->rxbuffersize, PCI_DMA_FROMDEVICE); 1835 kfree_skb(skb); 1836 } 1837 1838 pci_free_consistent(priv->pdev, 1839 sizeof(*priv->rx_ring[rx_queue_idx]) * 1840 priv->rxringcount, 1841 priv->rx_ring[rx_queue_idx], 1842 priv->rx_ring_dma[rx_queue_idx]); 1843 priv->rx_ring[rx_queue_idx] = NULL; 1844 } 1845} 1846 1847static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio) 1848{ 1849 struct r8192_priv *priv = rtllib_priv(dev); 1850 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio]; 1851 1852 while (skb_queue_len(&ring->queue)) { 1853 struct tx_desc *entry = &ring->desc[ring->idx]; 1854 struct sk_buff *skb = __skb_dequeue(&ring->queue); 1855 1856 pci_unmap_single(priv->pdev, entry->TxBuffAddr, 1857 skb->len, PCI_DMA_TODEVICE); 1858 kfree_skb(skb); 1859 ring->idx = (ring->idx + 1) % ring->entries; 1860 } 1861 1862 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries, 1863 ring->desc, ring->dma); 1864 ring->desc = NULL; 1865} 1866 1867void rtl8192_data_hard_stop(struct net_device *dev) 1868{ 1869} 1870 1871 1872void rtl8192_data_hard_resume(struct net_device *dev) 1873{ 1874} 1875 1876void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, 1877 int rate) 1878{ 1879 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 1880 int ret; 1881 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + 1882 MAX_DEV_ADDR_SIZE); 1883 u8 queue_index = tcb_desc->queue_index; 1884 1885 if ((priv->rtllib->eRFPowerState == eRfOff) || IS_NIC_DOWN(priv) || 1886 priv->bResetInProgress) { 1887 kfree_skb(skb); 1888 return; 1889 } 1890 1891 assert(queue_index != TXCMD_QUEUE); 1892 1893 1894 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev)); 1895 skb_push(skb, priv->rtllib->tx_headroom); 1896 ret = rtl8192_tx(dev, skb); 1897 if (ret != 0) 1898 kfree_skb(skb); 1899 1900 if (queue_index != MGNT_QUEUE) { 1901 priv->rtllib->stats.tx_bytes += (skb->len - 1902 priv->rtllib->tx_headroom); 1903 priv->rtllib->stats.tx_packets++; 1904 } 1905 1906 return; 1907} 1908 1909int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) 1910{ 1911 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 1912 int ret; 1913 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + 1914 MAX_DEV_ADDR_SIZE); 1915 u8 queue_index = tcb_desc->queue_index; 1916 1917 if (queue_index != TXCMD_QUEUE) { 1918 if ((priv->rtllib->eRFPowerState == eRfOff) || 1919 IS_NIC_DOWN(priv) || priv->bResetInProgress) { 1920 kfree_skb(skb); 1921 return 0; 1922 } 1923 } 1924 1925 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev)); 1926 if (queue_index == TXCMD_QUEUE) { 1927 rtl8192_tx_cmd(dev, skb); 1928 return 0; 1929 } else { 1930 tcb_desc->RATRIndex = 7; 1931 tcb_desc->bTxDisableRateFallBack = 1; 1932 tcb_desc->bTxUseDriverAssingedRate = 1; 1933 tcb_desc->bTxEnableFwCalcDur = 1; 1934 skb_push(skb, priv->rtllib->tx_headroom); 1935 ret = rtl8192_tx(dev, skb); 1936 if (ret != 0) 1937 kfree_skb(skb); 1938 } 1939 1940 return ret; 1941} 1942 1943static void rtl8192_tx_isr(struct net_device *dev, int prio) 1944{ 1945 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 1946 1947 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio]; 1948 1949 while (skb_queue_len(&ring->queue)) { 1950 struct tx_desc *entry = &ring->desc[ring->idx]; 1951 struct sk_buff *skb; 1952 1953 if (prio != BEACON_QUEUE) { 1954 if (entry->OWN) 1955 return; 1956 ring->idx = (ring->idx + 1) % ring->entries; 1957 } 1958 1959 skb = __skb_dequeue(&ring->queue); 1960 pci_unmap_single(priv->pdev, entry->TxBuffAddr, 1961 skb->len, PCI_DMA_TODEVICE); 1962 1963 kfree_skb(skb); 1964 } 1965 if (prio != BEACON_QUEUE) 1966 tasklet_schedule(&priv->irq_tx_tasklet); 1967} 1968 1969void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb) 1970{ 1971 struct r8192_priv *priv = rtllib_priv(dev); 1972 struct rtl8192_tx_ring *ring; 1973 struct tx_desc_cmd *entry; 1974 unsigned int idx; 1975 struct cb_desc *tcb_desc; 1976 unsigned long flags; 1977 1978 spin_lock_irqsave(&priv->irq_th_lock, flags); 1979 ring = &priv->tx_ring[TXCMD_QUEUE]; 1980 1981 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries; 1982 entry = (struct tx_desc_cmd *) &ring->desc[idx]; 1983 1984 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); 1985 1986 priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb); 1987 1988 __skb_queue_tail(&ring->queue, skb); 1989 spin_unlock_irqrestore(&priv->irq_th_lock, flags); 1990 1991 return; 1992} 1993 1994short rtl8192_tx(struct net_device *dev, struct sk_buff *skb) 1995{ 1996 struct r8192_priv *priv = rtllib_priv(dev); 1997 struct rtl8192_tx_ring *ring; 1998 unsigned long flags; 1999 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + 2000 MAX_DEV_ADDR_SIZE); 2001 struct tx_desc *pdesc = NULL; 2002 struct rtllib_hdr_1addr *header = NULL; 2003 u16 fc = 0, type = 0, stype = 0; 2004 bool multi_addr = false, broad_addr = false, uni_addr = false; 2005 u8 *pda_addr = NULL; 2006 int idx; 2007 u32 fwinfo_size = 0; 2008 2009 if (priv->bdisable_nic) { 2010 RT_TRACE(COMP_ERR, "%s: ERR!! Nic is disabled! Can't tx packet" 2011 " len=%d qidx=%d!!!\n", __func__, skb->len, 2012 tcb_desc->queue_index); 2013 return skb->len; 2014 } 2015 2016 priv->rtllib->bAwakePktSent = true; 2017 2018 fwinfo_size = sizeof(struct tx_fwinfo_8190pci); 2019 2020 header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size); 2021 fc = le16_to_cpu(header->frame_ctl); 2022 type = WLAN_FC_GET_TYPE(fc); 2023 stype = WLAN_FC_GET_STYPE(fc); 2024 pda_addr = header->addr1; 2025 2026 if (is_broadcast_ether_addr(pda_addr)) 2027 broad_addr = true; 2028 else if (is_multicast_ether_addr(pda_addr)) 2029 multi_addr = true; 2030 else 2031 uni_addr = true; 2032 2033 if (uni_addr) 2034 priv->stats.txbytesunicast += skb->len - fwinfo_size; 2035 else if (multi_addr) 2036 priv->stats.txbytesmulticast += skb->len - fwinfo_size; 2037 else 2038 priv->stats.txbytesbroadcast += skb->len - fwinfo_size; 2039 2040 spin_lock_irqsave(&priv->irq_th_lock, flags); 2041 ring = &priv->tx_ring[tcb_desc->queue_index]; 2042 if (tcb_desc->queue_index != BEACON_QUEUE) 2043 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries; 2044 else 2045 idx = 0; 2046 2047 pdesc = &ring->desc[idx]; 2048 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) { 2049 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d, idx = " 2050 "%d, skblen = 0x%x queuelen=%d", 2051 tcb_desc->queue_index, ring->idx, idx, skb->len, 2052 skb_queue_len(&ring->queue)); 2053 spin_unlock_irqrestore(&priv->irq_th_lock, flags); 2054 return skb->len; 2055 } 2056 2057 if (type == RTLLIB_FTYPE_DATA) { 2058 if (priv->rtllib->LedControlHandler) 2059 priv->rtllib->LedControlHandler(dev, LED_CTL_TX); 2060 } 2061 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb); 2062 __skb_queue_tail(&ring->queue, skb); 2063 pdesc->OWN = 1; 2064 spin_unlock_irqrestore(&priv->irq_th_lock, flags); 2065 dev->trans_start = jiffies; 2066 2067 write_nic_word(dev, TPPoll, 0x01 << tcb_desc->queue_index); 2068 return 0; 2069} 2070 2071static short rtl8192_alloc_rx_desc_ring(struct net_device *dev) 2072{ 2073 struct r8192_priv *priv = rtllib_priv(dev); 2074 struct rx_desc *entry = NULL; 2075 int i, rx_queue_idx; 2076 2077 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) { 2078 priv->rx_ring[rx_queue_idx] = 2079 pci_zalloc_consistent(priv->pdev, 2080 sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount, 2081 &priv->rx_ring_dma[rx_queue_idx]); 2082 if (!priv->rx_ring[rx_queue_idx] || 2083 (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) { 2084 RT_TRACE(COMP_ERR, "Cannot allocate RX ring\n"); 2085 return -ENOMEM; 2086 } 2087 2088 priv->rx_idx[rx_queue_idx] = 0; 2089 2090 for (i = 0; i < priv->rxringcount; i++) { 2091 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize); 2092 dma_addr_t *mapping; 2093 2094 entry = &priv->rx_ring[rx_queue_idx][i]; 2095 if (!skb) 2096 return 0; 2097 skb->dev = dev; 2098 priv->rx_buf[rx_queue_idx][i] = skb; 2099 mapping = (dma_addr_t *)skb->cb; 2100 *mapping = pci_map_single(priv->pdev, 2101 skb_tail_pointer_rsl(skb), 2102 priv->rxbuffersize, 2103 PCI_DMA_FROMDEVICE); 2104 if (pci_dma_mapping_error(priv->pdev, *mapping)) { 2105 dev_kfree_skb_any(skb); 2106 return -1; 2107 } 2108 entry->BufferAddress = *mapping; 2109 2110 entry->Length = priv->rxbuffersize; 2111 entry->OWN = 1; 2112 } 2113 2114 if(entry) 2115 entry->EOR = 1; 2116 } 2117 return 0; 2118} 2119 2120static int rtl8192_alloc_tx_desc_ring(struct net_device *dev, 2121 unsigned int prio, unsigned int entries) 2122{ 2123 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 2124 struct tx_desc *ring; 2125 dma_addr_t dma; 2126 int i; 2127 2128 ring = pci_zalloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma); 2129 if (!ring || (unsigned long)ring & 0xFF) { 2130 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", 2131 prio); 2132 return -ENOMEM; 2133 } 2134 2135 priv->tx_ring[prio].desc = ring; 2136 priv->tx_ring[prio].dma = dma; 2137 priv->tx_ring[prio].idx = 0; 2138 priv->tx_ring[prio].entries = entries; 2139 skb_queue_head_init(&priv->tx_ring[prio].queue); 2140 2141 for (i = 0; i < entries; i++) 2142 ring[i].NextDescAddress = 2143 (u32)dma + ((i + 1) % entries) * 2144 sizeof(*ring); 2145 2146 return 0; 2147} 2148 2149 2150short rtl8192_pci_initdescring(struct net_device *dev) 2151{ 2152 u32 ret; 2153 int i; 2154 struct r8192_priv *priv = rtllib_priv(dev); 2155 2156 ret = rtl8192_alloc_rx_desc_ring(dev); 2157 if (ret) 2158 return ret; 2159 2160 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) { 2161 ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount); 2162 if (ret) 2163 goto err_free_rings; 2164 } 2165 2166 return 0; 2167 2168err_free_rings: 2169 rtl8192_free_rx_ring(dev); 2170 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) 2171 if (priv->tx_ring[i].desc) 2172 rtl8192_free_tx_ring(dev, i); 2173 return 1; 2174} 2175 2176void rtl8192_pci_resetdescring(struct net_device *dev) 2177{ 2178 struct r8192_priv *priv = rtllib_priv(dev); 2179 int i, rx_queue_idx; 2180 unsigned long flags = 0; 2181 2182 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) { 2183 if (priv->rx_ring[rx_queue_idx]) { 2184 struct rx_desc *entry = NULL; 2185 2186 for (i = 0; i < priv->rxringcount; i++) { 2187 entry = &priv->rx_ring[rx_queue_idx][i]; 2188 entry->OWN = 1; 2189 } 2190 priv->rx_idx[rx_queue_idx] = 0; 2191 } 2192 } 2193 2194 spin_lock_irqsave(&priv->irq_th_lock, flags); 2195 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) { 2196 if (priv->tx_ring[i].desc) { 2197 struct rtl8192_tx_ring *ring = &priv->tx_ring[i]; 2198 2199 while (skb_queue_len(&ring->queue)) { 2200 struct tx_desc *entry = &ring->desc[ring->idx]; 2201 struct sk_buff *skb = 2202 __skb_dequeue(&ring->queue); 2203 2204 pci_unmap_single(priv->pdev, 2205 entry->TxBuffAddr, 2206 skb->len, PCI_DMA_TODEVICE); 2207 kfree_skb(skb); 2208 ring->idx = (ring->idx + 1) % ring->entries; 2209 } 2210 ring->idx = 0; 2211 } 2212 } 2213 spin_unlock_irqrestore(&priv->irq_th_lock, flags); 2214} 2215 2216void rtl819x_UpdateRxPktTimeStamp(struct net_device *dev, 2217 struct rtllib_rx_stats *stats) 2218{ 2219 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 2220 2221 if (stats->bIsAMPDU && !stats->bFirstMPDU) 2222 stats->mac_time = priv->LastRxDescTSF; 2223 else 2224 priv->LastRxDescTSF = stats->mac_time; 2225} 2226 2227long rtl819x_translate_todbm(struct r8192_priv *priv, u8 signal_strength_index) 2228{ 2229 long signal_power; 2230 2231 signal_power = (long)((signal_strength_index + 1) >> 1); 2232 signal_power -= 95; 2233 2234 return signal_power; 2235} 2236 2237 2238void 2239rtl819x_update_rxsignalstatistics8190pci( 2240 struct r8192_priv *priv, 2241 struct rtllib_rx_stats *pprevious_stats 2242 ) 2243{ 2244 int weighting = 0; 2245 2246 2247 if (priv->stats.recv_signal_power == 0) 2248 priv->stats.recv_signal_power = 2249 pprevious_stats->RecvSignalPower; 2250 2251 if (pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power) 2252 weighting = 5; 2253 else if (pprevious_stats->RecvSignalPower < 2254 priv->stats.recv_signal_power) 2255 weighting = (-5); 2256 priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 + 2257 pprevious_stats->RecvSignalPower + 2258 weighting) / 6; 2259} 2260 2261void rtl819x_process_cck_rxpathsel(struct r8192_priv *priv, 2262 struct rtllib_rx_stats *pprevious_stats) 2263{ 2264} 2265 2266 2267u8 rtl819x_query_rxpwrpercentage(char antpower) 2268{ 2269 if ((antpower <= -100) || (antpower >= 20)) 2270 return 0; 2271 else if (antpower >= 0) 2272 return 100; 2273 else 2274 return 100 + antpower; 2275 2276} /* QueryRxPwrPercentage */ 2277 2278u8 2279rtl819x_evm_dbtopercentage( 2280 char value 2281 ) 2282{ 2283 char ret_val; 2284 2285 ret_val = value; 2286 2287 if (ret_val >= 0) 2288 ret_val = 0; 2289 if (ret_val <= -33) 2290 ret_val = -33; 2291 ret_val = 0 - ret_val; 2292 ret_val *= 3; 2293 if (ret_val == 99) 2294 ret_val = 100; 2295 return ret_val; 2296} 2297 2298void 2299rtl8192_record_rxdesc_forlateruse( 2300 struct rtllib_rx_stats *psrc_stats, 2301 struct rtllib_rx_stats *ptarget_stats 2302) 2303{ 2304 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU; 2305 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU; 2306} 2307 2308 2309 2310static void rtl8192_rx_normal(struct net_device *dev) 2311{ 2312 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 2313 struct rtllib_hdr_1addr *rtllib_hdr = NULL; 2314 bool unicast_packet = false; 2315 bool bLedBlinking = true; 2316 u16 fc = 0, type = 0; 2317 u32 skb_len = 0; 2318 int rx_queue_idx = RX_MPDU_QUEUE; 2319 2320 struct rtllib_rx_stats stats = { 2321 .signal = 0, 2322 .noise = -98, 2323 .rate = 0, 2324 .freq = RTLLIB_24GHZ_BAND, 2325 }; 2326 unsigned int count = priv->rxringcount; 2327 2328 stats.nic_type = NIC_8192E; 2329 2330 while (count--) { 2331 struct rx_desc *pdesc = &priv->rx_ring[rx_queue_idx] 2332 [priv->rx_idx[rx_queue_idx]]; 2333 struct sk_buff *skb = priv->rx_buf[rx_queue_idx] 2334 [priv->rx_idx[rx_queue_idx]]; 2335 2336 if (pdesc->OWN) { 2337 return; 2338 } else { 2339 struct sk_buff *new_skb; 2340 2341 if (!priv->ops->rx_query_status_descriptor(dev, &stats, 2342 pdesc, skb)) 2343 goto done; 2344 new_skb = dev_alloc_skb(priv->rxbuffersize); 2345 /* if allocation of new skb failed - drop current packet 2346 * and reuse skb */ 2347 if (unlikely(!new_skb)) 2348 goto done; 2349 2350 pci_unmap_single(priv->pdev, 2351 *((dma_addr_t *)skb->cb), 2352 priv->rxbuffersize, 2353 PCI_DMA_FROMDEVICE); 2354 2355 skb_put(skb, pdesc->Length); 2356 skb_reserve(skb, stats.RxDrvInfoSize + 2357 stats.RxBufShift); 2358 skb_trim(skb, skb->len - 4/*sCrcLng*/); 2359 rtllib_hdr = (struct rtllib_hdr_1addr *)skb->data; 2360 if (!is_multicast_ether_addr(rtllib_hdr->addr1)) { 2361 /* unicast packet */ 2362 unicast_packet = true; 2363 } 2364 fc = le16_to_cpu(rtllib_hdr->frame_ctl); 2365 type = WLAN_FC_GET_TYPE(fc); 2366 if (type == RTLLIB_FTYPE_MGMT) 2367 bLedBlinking = false; 2368 2369 if (bLedBlinking) 2370 if (priv->rtllib->LedControlHandler) 2371 priv->rtllib->LedControlHandler(dev, 2372 LED_CTL_RX); 2373 2374 if (stats.bCRC) { 2375 if (type != RTLLIB_FTYPE_MGMT) 2376 priv->stats.rxdatacrcerr++; 2377 else 2378 priv->stats.rxmgmtcrcerr++; 2379 } 2380 2381 skb_len = skb->len; 2382 2383 if (!rtllib_rx(priv->rtllib, skb, &stats)) { 2384 dev_kfree_skb_any(skb); 2385 } else { 2386 priv->stats.rxok++; 2387 if (unicast_packet) 2388 priv->stats.rxbytesunicast += skb_len; 2389 } 2390 2391 skb = new_skb; 2392 skb->dev = dev; 2393 2394 priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] = 2395 skb; 2396 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, 2397 skb_tail_pointer_rsl(skb), 2398 priv->rxbuffersize, 2399 PCI_DMA_FROMDEVICE); 2400 if (pci_dma_mapping_error(priv->pdev, 2401 *((dma_addr_t *)skb->cb))) { 2402 dev_kfree_skb_any(skb); 2403 return; 2404 } 2405 } 2406done: 2407 pdesc->BufferAddress = *((dma_addr_t *)skb->cb); 2408 pdesc->OWN = 1; 2409 pdesc->Length = priv->rxbuffersize; 2410 if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1) 2411 pdesc->EOR = 1; 2412 priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) % 2413 priv->rxringcount; 2414 } 2415 2416} 2417 2418static void rtl8192_rx_cmd(struct net_device *dev) 2419{ 2420} 2421 2422 2423static void rtl8192_tx_resume(struct net_device *dev) 2424{ 2425 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 2426 struct rtllib_device *ieee = priv->rtllib; 2427 struct sk_buff *skb; 2428 int queue_index; 2429 2430 for (queue_index = BK_QUEUE; 2431 queue_index < MAX_QUEUE_SIZE; queue_index++) { 2432 while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index])) && 2433 (priv->rtllib->check_nic_enough_desc(dev, queue_index) > 0)) { 2434 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]); 2435 ieee->softmac_data_hard_start_xmit(skb, dev, 0); 2436 } 2437 } 2438} 2439 2440void rtl8192_irq_tx_tasklet(struct r8192_priv *priv) 2441{ 2442 rtl8192_tx_resume(priv->rtllib->dev); 2443} 2444 2445void rtl8192_irq_rx_tasklet(struct r8192_priv *priv) 2446{ 2447 rtl8192_rx_normal(priv->rtllib->dev); 2448 2449 if (MAX_RX_QUEUE > 1) 2450 rtl8192_rx_cmd(priv->rtllib->dev); 2451 2452 write_nic_dword(priv->rtllib->dev, INTA_MASK, 2453 read_nic_dword(priv->rtllib->dev, INTA_MASK) | IMR_RDU); 2454} 2455 2456/**************************************************************************** 2457 ---------------------------- NIC START/CLOSE STUFF--------------------------- 2458*****************************************************************************/ 2459void rtl8192_cancel_deferred_work(struct r8192_priv *priv) 2460{ 2461 cancel_delayed_work(&priv->watch_dog_wq); 2462 cancel_delayed_work(&priv->update_beacon_wq); 2463 cancel_delayed_work(&priv->rtllib->hw_sleep_wq); 2464 cancel_work_sync(&priv->reset_wq); 2465 cancel_work_sync(&priv->qos_activate); 2466} 2467 2468int _rtl8192_up(struct net_device *dev, bool is_silent_reset) 2469{ 2470 if (_rtl8192_sta_up(dev, is_silent_reset) == -1) 2471 return -1; 2472 return 0; 2473} 2474 2475 2476static int rtl8192_open(struct net_device *dev) 2477{ 2478 struct r8192_priv *priv = rtllib_priv(dev); 2479 int ret; 2480 2481 down(&priv->wx_sem); 2482 ret = rtl8192_up(dev); 2483 up(&priv->wx_sem); 2484 return ret; 2485 2486} 2487 2488 2489int rtl8192_up(struct net_device *dev) 2490{ 2491 struct r8192_priv *priv = rtllib_priv(dev); 2492 2493 if (priv->up == 1) 2494 return -1; 2495 return _rtl8192_up(dev, false); 2496} 2497 2498 2499static int rtl8192_close(struct net_device *dev) 2500{ 2501 struct r8192_priv *priv = rtllib_priv(dev); 2502 int ret; 2503 2504 if ((rtllib_act_scanning(priv->rtllib, false)) && 2505 !(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)) { 2506 rtllib_stop_scan(priv->rtllib); 2507 } 2508 2509 down(&priv->wx_sem); 2510 2511 ret = rtl8192_down(dev, true); 2512 2513 up(&priv->wx_sem); 2514 2515 return ret; 2516 2517} 2518 2519int rtl8192_down(struct net_device *dev, bool shutdownrf) 2520{ 2521 if (rtl8192_sta_down(dev, shutdownrf) == -1) 2522 return -1; 2523 2524 return 0; 2525} 2526 2527void rtl8192_commit(struct net_device *dev) 2528{ 2529 struct r8192_priv *priv = rtllib_priv(dev); 2530 2531 if (priv->up == 0) 2532 return; 2533 rtllib_softmac_stop_protocol(priv->rtllib, 0 , true); 2534 rtl8192_irq_disable(dev); 2535 priv->ops->stop_adapter(dev, true); 2536 _rtl8192_up(dev, false); 2537} 2538 2539void rtl8192_restart(void *data) 2540{ 2541 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, 2542 reset_wq); 2543 struct net_device *dev = priv->rtllib->dev; 2544 2545 down(&priv->wx_sem); 2546 2547 rtl8192_commit(dev); 2548 2549 up(&priv->wx_sem); 2550} 2551 2552static void r8192_set_multicast(struct net_device *dev) 2553{ 2554 struct r8192_priv *priv = rtllib_priv(dev); 2555 short promisc; 2556 2557 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0; 2558 priv->promisc = promisc; 2559 2560} 2561 2562 2563static int r8192_set_mac_adr(struct net_device *dev, void *mac) 2564{ 2565 struct r8192_priv *priv = rtllib_priv(dev); 2566 struct sockaddr *addr = mac; 2567 2568 down(&priv->wx_sem); 2569 2570 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); 2571 2572 schedule_work(&priv->reset_wq); 2573 up(&priv->wx_sem); 2574 2575 return 0; 2576} 2577 2578/* based on ipw2200 driver */ 2579static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 2580{ 2581 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 2582 struct iwreq *wrq = (struct iwreq *)rq; 2583 int ret = -1; 2584 struct rtllib_device *ieee = priv->rtllib; 2585 u32 key[4]; 2586 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 2587 u8 zero_addr[6] = {0}; 2588 struct iw_point *p = &wrq->u.data; 2589 struct ieee_param *ipw = NULL; 2590 2591 down(&priv->wx_sem); 2592 2593 switch (cmd) { 2594 case RTL_IOCTL_WPA_SUPPLICANT: 2595 if (p->length < sizeof(struct ieee_param) || !p->pointer) { 2596 ret = -EINVAL; 2597 goto out; 2598 } 2599 2600 ipw = memdup_user(p->pointer, p->length); 2601 if (IS_ERR(ipw)) { 2602 ret = PTR_ERR(ipw); 2603 goto out; 2604 } 2605 2606 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) { 2607 if (ipw->u.crypt.set_tx) { 2608 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) 2609 ieee->pairwise_key_type = KEY_TYPE_CCMP; 2610 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) 2611 ieee->pairwise_key_type = KEY_TYPE_TKIP; 2612 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) { 2613 if (ipw->u.crypt.key_len == 13) 2614 ieee->pairwise_key_type = 2615 KEY_TYPE_WEP104; 2616 else if (ipw->u.crypt.key_len == 5) 2617 ieee->pairwise_key_type = 2618 KEY_TYPE_WEP40; 2619 } else { 2620 ieee->pairwise_key_type = KEY_TYPE_NA; 2621 } 2622 2623 if (ieee->pairwise_key_type) { 2624 if (memcmp(ieee->ap_mac_addr, zero_addr, 2625 6) == 0) 2626 ieee->iw_mode = IW_MODE_ADHOC; 2627 memcpy((u8 *)key, ipw->u.crypt.key, 16); 2628 EnableHWSecurityConfig8192(dev); 2629 set_swcam(dev, 4, ipw->u.crypt.idx, 2630 ieee->pairwise_key_type, 2631 (u8 *)ieee->ap_mac_addr, 2632 0, key, 0); 2633 setKey(dev, 4, ipw->u.crypt.idx, 2634 ieee->pairwise_key_type, 2635 (u8 *)ieee->ap_mac_addr, 0, key); 2636 if (ieee->iw_mode == IW_MODE_ADHOC) { 2637 set_swcam(dev, ipw->u.crypt.idx, 2638 ipw->u.crypt.idx, 2639 ieee->pairwise_key_type, 2640 (u8 *)ieee->ap_mac_addr, 2641 0, key, 0); 2642 setKey(dev, ipw->u.crypt.idx, 2643 ipw->u.crypt.idx, 2644 ieee->pairwise_key_type, 2645 (u8 *)ieee->ap_mac_addr, 2646 0, key); 2647 } 2648 } 2649 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) 2650 && ieee->pHTInfo->bCurrentHTSupport) { 2651 write_nic_byte(dev, 0x173, 1); 2652 } 2653 2654 } else { 2655 memcpy((u8 *)key, ipw->u.crypt.key, 16); 2656 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) 2657 ieee->group_key_type = KEY_TYPE_CCMP; 2658 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) 2659 ieee->group_key_type = KEY_TYPE_TKIP; 2660 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) { 2661 if (ipw->u.crypt.key_len == 13) 2662 ieee->group_key_type = 2663 KEY_TYPE_WEP104; 2664 else if (ipw->u.crypt.key_len == 5) 2665 ieee->group_key_type = 2666 KEY_TYPE_WEP40; 2667 } else 2668 ieee->group_key_type = KEY_TYPE_NA; 2669 2670 if (ieee->group_key_type) { 2671 set_swcam(dev, ipw->u.crypt.idx, 2672 ipw->u.crypt.idx, 2673 ieee->group_key_type, 2674 broadcast_addr, 0, key, 0); 2675 setKey(dev, ipw->u.crypt.idx, 2676 ipw->u.crypt.idx, 2677 ieee->group_key_type, 2678 broadcast_addr, 0, key); 2679 } 2680 } 2681 } 2682 2683 ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data, 2684 0); 2685 kfree(ipw); 2686 break; 2687 default: 2688 ret = -EOPNOTSUPP; 2689 break; 2690 } 2691 2692out: 2693 up(&priv->wx_sem); 2694 2695 return ret; 2696} 2697 2698 2699static irqreturn_t rtl8192_interrupt(int irq, void *netdev) 2700{ 2701 struct net_device *dev = (struct net_device *) netdev; 2702 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); 2703 unsigned long flags; 2704 u32 inta; 2705 u32 intb; 2706 2707 intb = 0; 2708 2709 if (priv->irq_enabled == 0) 2710 goto done; 2711 2712 spin_lock_irqsave(&priv->irq_th_lock, flags); 2713 2714 priv->ops->interrupt_recognized(dev, &inta, &intb); 2715 priv->stats.shints++; 2716 2717 if (!inta) { 2718 spin_unlock_irqrestore(&priv->irq_th_lock, flags); 2719 goto done; 2720 } 2721 2722 if (inta == 0xffff) { 2723 spin_unlock_irqrestore(&priv->irq_th_lock, flags); 2724 goto done; 2725 } 2726 2727 priv->stats.ints++; 2728 2729 if (!netif_running(dev)) { 2730 spin_unlock_irqrestore(&priv->irq_th_lock, flags); 2731 goto done; 2732 } 2733 2734 if (inta & IMR_TBDOK) { 2735 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n"); 2736 priv->stats.txbeaconokint++; 2737 } 2738 2739 if (inta & IMR_TBDER) { 2740 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n"); 2741 priv->stats.txbeaconerr++; 2742 } 2743 2744 if (inta & IMR_BDOK) 2745 RT_TRACE(COMP_INTR, "beacon interrupt!\n"); 2746 2747 if (inta & IMR_MGNTDOK) { 2748 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n"); 2749 priv->stats.txmanageokint++; 2750 rtl8192_tx_isr(dev, MGNT_QUEUE); 2751 spin_unlock_irqrestore(&priv->irq_th_lock, flags); 2752 if (priv->rtllib->ack_tx_to_ieee) { 2753 if (rtl8192_is_tx_queue_empty(dev)) { 2754 priv->rtllib->ack_tx_to_ieee = 0; 2755 rtllib_ps_tx_ack(priv->rtllib, 1); 2756 } 2757 } 2758 spin_lock_irqsave(&priv->irq_th_lock, flags); 2759 } 2760 2761 if (inta & IMR_COMDOK) { 2762 priv->stats.txcmdpktokint++; 2763 rtl8192_tx_isr(dev, TXCMD_QUEUE); 2764 } 2765 2766 if (inta & IMR_HIGHDOK) 2767 rtl8192_tx_isr(dev, HIGH_QUEUE); 2768 2769 if (inta & IMR_ROK) { 2770 priv->stats.rxint++; 2771 priv->InterruptLog.nIMR_ROK++; 2772 tasklet_schedule(&priv->irq_rx_tasklet); 2773 } 2774 2775 if (inta & IMR_BcnInt) { 2776 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n"); 2777 tasklet_schedule(&priv->irq_prepare_beacon_tasklet); 2778 } 2779 2780 if (inta & IMR_RDU) { 2781 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n"); 2782 priv->stats.rxrdu++; 2783 write_nic_dword(dev, INTA_MASK, 2784 read_nic_dword(dev, INTA_MASK) & ~IMR_RDU); 2785 tasklet_schedule(&priv->irq_rx_tasklet); 2786 } 2787 2788 if (inta & IMR_RXFOVW) { 2789 RT_TRACE(COMP_INTR, "rx overflow !\n"); 2790 priv->stats.rxoverflow++; 2791 tasklet_schedule(&priv->irq_rx_tasklet); 2792 } 2793 2794 if (inta & IMR_TXFOVW) 2795 priv->stats.txoverflow++; 2796 2797 if (inta & IMR_BKDOK) { 2798 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n"); 2799 priv->stats.txbkokint++; 2800 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++; 2801 rtl8192_tx_isr(dev, BK_QUEUE); 2802 } 2803 2804 if (inta & IMR_BEDOK) { 2805 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n"); 2806 priv->stats.txbeokint++; 2807 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++; 2808 rtl8192_tx_isr(dev, BE_QUEUE); 2809 } 2810 2811 if (inta & IMR_VIDOK) { 2812 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n"); 2813 priv->stats.txviokint++; 2814 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++; 2815 rtl8192_tx_isr(dev, VI_QUEUE); 2816 } 2817 2818 if (inta & IMR_VODOK) { 2819 priv->stats.txvookint++; 2820 RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n"); 2821 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++; 2822 rtl8192_tx_isr(dev, VO_QUEUE); 2823 } 2824 2825 spin_unlock_irqrestore(&priv->irq_th_lock, flags); 2826 2827done: 2828 2829 return IRQ_HANDLED; 2830} 2831 2832 2833 2834/**************************************************************************** 2835 ---------------------------- PCI_STUFF--------------------------- 2836*****************************************************************************/ 2837static const struct net_device_ops rtl8192_netdev_ops = { 2838 .ndo_open = rtl8192_open, 2839 .ndo_stop = rtl8192_close, 2840 .ndo_tx_timeout = rtl8192_tx_timeout, 2841 .ndo_do_ioctl = rtl8192_ioctl, 2842 .ndo_set_rx_mode = r8192_set_multicast, 2843 .ndo_set_mac_address = r8192_set_mac_adr, 2844 .ndo_validate_addr = eth_validate_addr, 2845 .ndo_change_mtu = eth_change_mtu, 2846 .ndo_start_xmit = rtllib_xmit, 2847}; 2848 2849static int rtl8192_pci_probe(struct pci_dev *pdev, 2850 const struct pci_device_id *id) 2851{ 2852 unsigned long ioaddr = 0; 2853 struct net_device *dev = NULL; 2854 struct r8192_priv *priv = NULL; 2855 struct rtl819x_ops *ops = (struct rtl819x_ops *)(id->driver_data); 2856 unsigned long pmem_start, pmem_len, pmem_flags; 2857 int err = -ENOMEM; 2858 bool bdma64 = false; 2859 u8 revision_id; 2860 2861 RT_TRACE(COMP_INIT, "Configuring chip resources"); 2862 2863 if (pci_enable_device(pdev)) { 2864 RT_TRACE(COMP_ERR, "Failed to enable PCI device"); 2865 return -EIO; 2866 } 2867 2868 pci_set_master(pdev); 2869 2870 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { 2871 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { 2872 printk(KERN_INFO "Unable to obtain 32bit DMA for consistent allocations\n"); 2873 goto err_pci_disable; 2874 } 2875 } 2876 dev = alloc_rtllib(sizeof(struct r8192_priv)); 2877 if (!dev) 2878 goto err_pci_disable; 2879 2880 err = -ENODEV; 2881 if (bdma64) 2882 dev->features |= NETIF_F_HIGHDMA; 2883 2884 pci_set_drvdata(pdev, dev); 2885 SET_NETDEV_DEV(dev, &pdev->dev); 2886 priv = rtllib_priv(dev); 2887 priv->rtllib = (struct rtllib_device *)netdev_priv_rsl(dev); 2888 priv->pdev = pdev; 2889 priv->rtllib->pdev = pdev; 2890 if ((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK) && 2891 (pdev->subsystem_device == 0x3304)) 2892 priv->rtllib->bSupportRemoteWakeUp = 1; 2893 else 2894 priv->rtllib->bSupportRemoteWakeUp = 0; 2895 2896 pmem_start = pci_resource_start(pdev, 1); 2897 pmem_len = pci_resource_len(pdev, 1); 2898 pmem_flags = pci_resource_flags(pdev, 1); 2899 2900 if (!(pmem_flags & IORESOURCE_MEM)) { 2901 RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting"); 2902 goto err_rel_rtllib; 2903 } 2904 2905 printk(KERN_INFO "Memory mapped space start: 0x%08lx\n", pmem_start); 2906 if (!request_mem_region(pmem_start, pmem_len, DRV_NAME)) { 2907 RT_TRACE(COMP_ERR, "request_mem_region failed!"); 2908 goto err_rel_rtllib; 2909 } 2910 2911 2912 ioaddr = (unsigned long)ioremap_nocache(pmem_start, pmem_len); 2913 if (ioaddr == (unsigned long)NULL) { 2914 RT_TRACE(COMP_ERR, "ioremap failed!"); 2915 goto err_rel_mem; 2916 } 2917 2918 dev->mem_start = ioaddr; 2919 dev->mem_end = ioaddr + pci_resource_len(pdev, 0); 2920 2921 pci_read_config_byte(pdev, 0x08, &revision_id); 2922 /* If the revisionid is 0x10, the device uses rtl8192se. */ 2923 if (pdev->device == 0x8192 && revision_id == 0x10) 2924 goto err_rel_mem; 2925 2926 priv->ops = ops; 2927 2928 if (rtl8192_pci_findadapter(pdev, dev) == false) 2929 goto err_rel_mem; 2930 2931 dev->irq = pdev->irq; 2932 priv->irq = 0; 2933 2934 dev->netdev_ops = &rtl8192_netdev_ops; 2935 2936 dev->wireless_handlers = &r8192_wx_handlers_def; 2937 dev->ethtool_ops = &rtl819x_ethtool_ops; 2938 2939 dev->type = ARPHRD_ETHER; 2940 dev->watchdog_timeo = HZ * 3; 2941 2942 if (dev_alloc_name(dev, ifname) < 0) { 2943 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying " 2944 "wlan%%d...\n"); 2945 dev_alloc_name(dev, ifname); 2946 } 2947 2948 RT_TRACE(COMP_INIT, "Driver probe completed1\n"); 2949 if (rtl8192_init(dev) != 0) { 2950 RT_TRACE(COMP_ERR, "Initialization failed"); 2951 goto err_free_irq; 2952 } 2953 2954 netif_carrier_off(dev); 2955 netif_stop_queue(dev); 2956 2957 if (register_netdev(dev)) 2958 goto err_free_irq; 2959 RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name); 2960 2961 if (priv->polling_timer_on == 0) 2962 check_rfctrl_gpio_timer((unsigned long)dev); 2963 2964 RT_TRACE(COMP_INIT, "Driver probe completed\n"); 2965 return 0; 2966 2967err_free_irq: 2968 free_irq(dev->irq, dev); 2969 priv->irq = 0; 2970err_rel_mem: 2971 release_mem_region(pmem_start, pmem_len); 2972err_rel_rtllib: 2973 free_rtllib(dev); 2974 2975 DMESG("wlan driver load failed\n"); 2976err_pci_disable: 2977 pci_disable_device(pdev); 2978 return err; 2979} 2980 2981static void rtl8192_pci_disconnect(struct pci_dev *pdev) 2982{ 2983 struct net_device *dev = pci_get_drvdata(pdev); 2984 struct r8192_priv *priv ; 2985 u32 i; 2986 2987 if (dev) { 2988 unregister_netdev(dev); 2989 2990 priv = rtllib_priv(dev); 2991 2992 del_timer_sync(&priv->gpio_polling_timer); 2993 cancel_delayed_work(&priv->gpio_change_rf_wq); 2994 priv->polling_timer_on = 0; 2995 rtl8192_down(dev, true); 2996 deinit_hal_dm(dev); 2997 if (priv->pFirmware) { 2998 vfree(priv->pFirmware); 2999 priv->pFirmware = NULL; 3000 } 3001 destroy_workqueue(priv->priv_wq); 3002 rtl8192_free_rx_ring(dev); 3003 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) 3004 rtl8192_free_tx_ring(dev, i); 3005 3006 if (priv->irq) { 3007 printk(KERN_INFO "Freeing irq %d\n", dev->irq); 3008 free_irq(dev->irq, dev); 3009 priv->irq = 0; 3010 } 3011 free_rtllib(dev); 3012 3013 kfree(priv->scan_cmd); 3014 3015 if (dev->mem_start != 0) { 3016 iounmap((void __iomem *)dev->mem_start); 3017 release_mem_region(pci_resource_start(pdev, 1), 3018 pci_resource_len(pdev, 1)); 3019 } 3020 } else { 3021 priv = rtllib_priv(dev); 3022 } 3023 3024 pci_disable_device(pdev); 3025 RT_TRACE(COMP_DOWN, "wlan driver removed\n"); 3026} 3027 3028bool NicIFEnableNIC(struct net_device *dev) 3029{ 3030 bool init_status = true; 3031 struct r8192_priv *priv = rtllib_priv(dev); 3032 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *) 3033 (&(priv->rtllib->PowerSaveControl)); 3034 3035 if (IS_NIC_DOWN(priv)) { 3036 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n", 3037 __func__); 3038 priv->bdisable_nic = false; 3039 return false; 3040 } 3041 3042 RT_TRACE(COMP_PS, "===========>%s()\n", __func__); 3043 priv->bfirst_init = true; 3044 init_status = priv->ops->initialize_adapter(dev); 3045 if (!init_status) { 3046 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n", 3047 __func__); 3048 priv->bdisable_nic = false; 3049 return false; 3050 } 3051 RT_TRACE(COMP_INIT, "start adapter finished\n"); 3052 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC); 3053 priv->bfirst_init = false; 3054 3055 rtl8192_irq_enable(dev); 3056 priv->bdisable_nic = false; 3057 RT_TRACE(COMP_PS, "<===========%s()\n", __func__); 3058 return init_status; 3059} 3060bool NicIFDisableNIC(struct net_device *dev) 3061{ 3062 bool status = true; 3063 struct r8192_priv *priv = rtllib_priv(dev); 3064 u8 tmp_state = 0; 3065 3066 RT_TRACE(COMP_PS, "=========>%s()\n", __func__); 3067 priv->bdisable_nic = true; 3068 tmp_state = priv->rtllib->state; 3069 rtllib_softmac_stop_protocol(priv->rtllib, 0, false); 3070 priv->rtllib->state = tmp_state; 3071 rtl8192_cancel_deferred_work(priv); 3072 rtl8192_irq_disable(dev); 3073 3074 priv->ops->stop_adapter(dev, false); 3075 RT_TRACE(COMP_PS, "<=========%s()\n", __func__); 3076 3077 return status; 3078} 3079 3080static int __init rtl8192_pci_module_init(void) 3081{ 3082 printk(KERN_INFO "\nLinux kernel driver for RTL8192E WLAN cards\n"); 3083 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan Driver\n"); 3084 3085 if (0 != pci_register_driver(&rtl8192_pci_driver)) { 3086 DMESG("No device found"); 3087 /*pci_unregister_driver (&rtl8192_pci_driver);*/ 3088 return -ENODEV; 3089 } 3090 return 0; 3091} 3092 3093static void __exit rtl8192_pci_module_exit(void) 3094{ 3095 pci_unregister_driver(&rtl8192_pci_driver); 3096 3097 RT_TRACE(COMP_DOWN, "Exiting"); 3098} 3099 3100void check_rfctrl_gpio_timer(unsigned long data) 3101{ 3102 struct r8192_priv *priv = rtllib_priv((struct net_device *)data); 3103 3104 priv->polling_timer_on = 1; 3105 3106 queue_delayed_work_rsl(priv->priv_wq, &priv->gpio_change_rf_wq, 0); 3107 3108 mod_timer(&priv->gpio_polling_timer, jiffies + 3109 MSECS(RTLLIB_WATCH_DOG_TIME)); 3110} 3111 3112/*************************************************************************** 3113 ------------------- module init / exit stubs ---------------- 3114****************************************************************************/ 3115module_init(rtl8192_pci_module_init); 3116module_exit(rtl8192_pci_module_exit); 3117 3118MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards"); 3119MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); 3120MODULE_VERSION(DRV_VERSION); 3121MODULE_LICENSE("GPL"); 3122MODULE_FIRMWARE(RTL8192E_BOOT_IMG_FW); 3123MODULE_FIRMWARE(RTL8192E_MAIN_IMG_FW); 3124MODULE_FIRMWARE(RTL8192E_DATA_IMG_FW); 3125 3126module_param(ifname, charp, S_IRUGO|S_IWUSR); 3127module_param(hwwep, int, S_IRUGO|S_IWUSR); 3128module_param(channels, int, S_IRUGO|S_IWUSR); 3129 3130MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default"); 3131MODULE_PARM_DESC(hwwep, " Try to use hardware WEP support(default use hw. set 0 to use software security)"); 3132MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI"); 3133