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Merge remote-tracking branch 'staging/staging-next'
[deliverable/linux.git] / drivers / staging / rtl8192e / rtl8192e / rtl_core.c
CommitLineData
94a79942
LF		 1/******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3 *
4 * Based on the r8180 driver, which is:
559a4c31 5 * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al.
94a79942
LF		 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 *
94a79942
LF		 15 * The full GNU General Public License is included in this distribution in the
16 * file called LICENSE.
17 *
18 * Contact Information:
19 * wlanfae <wlanfae@realtek.com>
20******************************************************************************/
1344ee25 21#include <linux/uaccess.h>
94a79942 22#include <linux/pci.h>
09ebd6f2 23#include <linux/vmalloc.h>
acd442db 24#include <linux/ieee80211.h>
94a79942
LF		 25#include "rtl_core.h"
26#include "r8192E_phy.h"
27#include "r8192E_phyreg.h"
28#include "r8190P_rtl8256.h"
29#include "r8192E_cmdpkt.h"
30
31#include "rtl_wx.h"
94a79942 32#include "rtl_dm.h"
94a79942 33
94a79942 34#include "rtl_pm.h"
94a79942
LF		 35
36int hwwep = 1;
37static int channels = 0x3fff;
49aab5fd 38static char *ifname = "wlan%d";
94a79942
LF		 39
40
1c099ed6 41static const struct rtl819x_ops rtl819xp_ops = {
1344ee25 42 .nic_type = NIC_8192E,
b095be37 43 .get_eeprom_size = rtl92e_get_eeprom_size,
df85a131 44 .init_adapter_variable = rtl92e_init_variables,
46026629 45 .initialize_adapter = rtl92e_start_adapter,
b974b289 46 .link_change = rtl92e_link_change,
072b3948 47 .tx_fill_descriptor = rtl92e_fill_tx_desc,
63b544a1 48 .tx_fill_cmd_descriptor = rtl92e_fill_tx_cmd_desc,
7897285c 49 .rx_query_status_descriptor = rtl92e_get_rx_stats,
94a79942 50 .rx_command_packet_handler = NULL,
fe99c77b 51 .stop_adapter = rtl92e_stop_adapter,
575d48c5 52 .update_ratr_table = rtl92e_update_ratr_table,
6d99c68e 53 .irq_enable = rtl92e_enable_irq,
baadea56 54 .irq_disable = rtl92e_disable_irq,
dc578b41 55 .irq_clear = rtl92e_clear_irq,
78c352b2 56 .rx_enable = rtl92e_enable_rx,
6af7a8b6 57 .tx_enable = rtl92e_enable_tx,
a57165d1 58 .interrupt_recognized = rtl92e_ack_irq,
c9cf5e78 59 .TxCheckStuckHandler = rtl92e_is_tx_stuck,
4d73bd26 60 .RxCheckStuckHandler = rtl92e_is_rx_stuck,
94a79942
LF		 61};
62
83f5789c 63static struct pci_device_id rtl8192_pci_id_tbl[] = {
94a79942
LF		 64 {RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)},
65 {RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)},
66 {RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)},
67 {}
68};
69
70MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
71
93cc57b5
MK		 72static int _rtl92e_pci_probe(struct pci_dev *pdev,
73 const struct pci_device_id *id);
4a851821 74static void _rtl92e_pci_disconnect(struct pci_dev *pdev);
87e01f22 75static irqreturn_t _rtl92e_irq(int irq, void *netdev);
94a79942
LF		 76
77static struct pci_driver rtl8192_pci_driver = {
1344ee25
LF		 78 .name = DRV_NAME, /* Driver name */
79 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
93cc57b5 80 .probe = _rtl92e_pci_probe, /* probe fn */
4a851821 81 .remove = _rtl92e_pci_disconnect, /* remove fn */
3683dc1f 82 .suspend = rtl92e_suspend, /* PM suspend fn */
0ba6623d 83 .resume = rtl92e_resume, /* PM resume fn */
94a79942
LF		 84};
85
6f8d4a7d 86static short _rtl92e_is_tx_queue_empty(struct net_device *dev);
7e2d598a 87static void _rtl92e_watchdog_wq_cb(void *data);
2cfc3758 88static void _rtl92e_watchdog_timer_cb(unsigned long data);
52a74045 89static void _rtl92e_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
235a86c3 90 int rate);
3e49f3ec 91static int _rtl92e_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);
98208f96 92static void _rtl92e_tx_cmd(struct net_device *dev, struct sk_buff *skb);
374a3c5a 93static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb);
197917a8 94static short _rtl92e_pci_initdescring(struct net_device *dev);
a2743b2c 95static void _rtl92e_irq_tx_tasklet(struct r8192_priv *priv);
2940405b 96static void _rtl92e_irq_rx_tasklet(struct r8192_priv *priv);
4dba03a2 97static void _rtl92e_cancel_deferred_work(struct r8192_priv *priv);
81524bbc 98static int _rtl92e_up(struct net_device *dev, bool is_silent_reset);
b1665a67 99static int _rtl92e_try_up(struct net_device *dev);
33bec9bd 100static int _rtl92e_down(struct net_device *dev, bool shutdownrf);
78e67df3 101static void _rtl92e_restart(void *data);
235a86c3 102
94a79942
LF		 103/****************************************************************************
104 -----------------------------IO STUFF-------------------------
105*****************************************************************************/
94a79942 106
b59a4ca3 107u8 rtl92e_readb(struct net_device *dev, int x)
94a79942 108{
49aab5fd 109 return 0xff & readb((u8 __iomem *)dev->mem_start + x);
94a79942
LF		 110}
111
99aa47e0 112u32 rtl92e_readl(struct net_device *dev, int x)
94a79942 113{
49aab5fd 114 return readl((u8 __iomem *)dev->mem_start + x);
94a79942
LF		 115}
116
1c0a7c0e 117u16 rtl92e_readw(struct net_device *dev, int x)
94a79942 118{
49aab5fd 119 return readw((u8 __iomem *)dev->mem_start + x);
94a79942
LF		 120}
121
d8ae1967 122void rtl92e_writeb(struct net_device *dev, int x, u8 y)
94a79942 123{
49aab5fd 124 writeb(y, (u8 __iomem *)dev->mem_start + x);
94a79942 125
94a79942 126 udelay(20);
94a79942
LF		 127}
128
8ea54100 129void rtl92e_writel(struct net_device *dev, int x, u32 y)
94a79942 130{
49aab5fd 131 writel(y, (u8 __iomem *)dev->mem_start + x);
94a79942 132
94a79942 133 udelay(20);
94a79942
LF		 134}
135
6dee0c88 136void rtl92e_writew(struct net_device *dev, int x, u16 y)
94a79942 137{
49aab5fd 138 writew(y, (u8 __iomem *)dev->mem_start + x);
94a79942 139
94a79942 140 udelay(20);
94a79942
LF		 141}
142
143/****************************************************************************
144 -----------------------------GENERAL FUNCTION-------------------------
145*****************************************************************************/
f434f9d5 146bool rtl92e_set_rf_state(struct net_device *dev,
1344ee25 147 enum rt_rf_power_state StateToSet,
2937a5d2 148 RT_RF_CHANGE_SOURCE ChangeSource)
94a79942
LF		 149{
150 struct r8192_priv *priv = rtllib_priv(dev);
1344ee25 151 struct rtllib_device *ieee = priv->rtllib;
94a79942
LF		 152 bool bActionAllowed = false;
153 bool bConnectBySSID = false;
de7c885a 154 enum rt_rf_power_state rtState;
94a79942
LF		 155 u16 RFWaitCounter = 0;
156 unsigned long flag;
3a6b70c3 157
0822339b 158 RT_TRACE((COMP_PS | COMP_RF),
f434f9d5 159 "===>rtl92e_set_rf_state(): StateToSet(%d)\n", StateToSet);
94a79942 160
2937a5d2
MK		 161 while (true) {
162 spin_lock_irqsave(&priv->rf_ps_lock, flag);
163 if (priv->RFChangeInProgress) {
164 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
165 RT_TRACE((COMP_PS | COMP_RF),
166 "rtl92e_set_rf_state(): RF Change in progress! Wait to set..StateToSet(%d).\n",
167 StateToSet);
94a79942 168
2937a5d2
MK		 169 while (priv->RFChangeInProgress) {
170 RFWaitCounter++;
1344ee25 171 RT_TRACE((COMP_PS | COMP_RF),
2937a5d2
MK		 172 "rtl92e_set_rf_state(): Wait 1 ms (%d times)...\n",
173 RFWaitCounter);
174 mdelay(1);
175
176 if (RFWaitCounter > 100) {
177 netdev_warn(dev,
178 "%s(): Timeout waiting for RF change.\n",
179 __func__);
180 return false;
94a79942
LF		 181 }
182 }
2937a5d2
MK		 183 } else {
184 priv->RFChangeInProgress = true;
185 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
186 break;
94a79942 187 }
94a79942
LF		 188 }
189
190 rtState = priv->rtllib->eRFPowerState;
191
1344ee25 192 switch (StateToSet) {
94a79942 193 case eRfOn:
94a79942
LF		 194 priv->rtllib->RfOffReason &= (~ChangeSource);
195
4bb01423 196 if ((ChangeSource == RF_CHANGE_BY_HW) && priv->bHwRadioOff)
94a79942 197 priv->bHwRadioOff = false;
94a79942 198
1344ee25 199 if (!priv->rtllib->RfOffReason) {
94a79942
LF		 200 priv->rtllib->RfOffReason = 0;
201 bActionAllowed = true;
202
203
1344ee25
LF		 204 if (rtState == eRfOff &&
205 ChangeSource >= RF_CHANGE_BY_HW)
94a79942 206 bConnectBySSID = true;
1344ee25 207 } else {
0822339b 208 RT_TRACE((COMP_PS | COMP_RF),
f434f9d5 209 "rtl92e_set_rf_state - eRfon reject pMgntInfo->RfOffReason= 0x%x, ChangeSource=0x%X\n",
1344ee25
LF		 210 priv->rtllib->RfOffReason, ChangeSource);
211 }
94a79942
LF		 212
213 break;
214
215 case eRfOff:
216
1344ee25
LF		 217 if ((priv->rtllib->iw_mode == IW_MODE_INFRA) ||
218 (priv->rtllib->iw_mode == IW_MODE_ADHOC)) {
219 if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) ||
220 (ChangeSource > RF_CHANGE_BY_IPS)) {
94a79942
LF		 221 if (ieee->state == RTLLIB_LINKED)
222 priv->blinked_ingpio = true;
223 else
224 priv->blinked_ingpio = false;
1344ee25 225 rtllib_MgntDisconnect(priv->rtllib,
acd442db 226 WLAN_REASON_DISASSOC_STA_HAS_LEFT);
94a79942
LF		 227 }
228 }
4bb01423 229 if ((ChangeSource == RF_CHANGE_BY_HW) && !priv->bHwRadioOff)
94a79942 230 priv->bHwRadioOff = true;
94a79942
LF		 231 priv->rtllib->RfOffReason |= ChangeSource;
232 bActionAllowed = true;
233 break;
234
235 case eRfSleep:
236 priv->rtllib->RfOffReason |= ChangeSource;
237 bActionAllowed = true;
238 break;
239
240 default:
241 break;
242 }
243
1344ee25 244 if (bActionAllowed) {
0822339b 245 RT_TRACE((COMP_PS | COMP_RF),
f434f9d5 246 "rtl92e_set_rf_state(): Action is allowed.... StateToSet(%d), RfOffReason(%#X)\n",
1344ee25 247 StateToSet, priv->rtllib->RfOffReason);
94a79942 248 PHY_SetRFPowerState(dev, StateToSet);
1344ee25 249 if (StateToSet == eRfOn) {
94a79942 250
4bb01423 251 if (bConnectBySSID && priv->blinked_ingpio) {
354605f4 252 schedule_delayed_work(
1344ee25 253 &ieee->associate_procedure_wq, 0);
94a79942 254 priv->blinked_ingpio = false;
94a79942
LF		 255 }
256 }
257 } else {
0822339b 258 RT_TRACE((COMP_PS | COMP_RF),
f434f9d5 259 "rtl92e_set_rf_state(): Action is rejected.... StateToSet(%d), ChangeSource(%#X), RfOffReason(%#X)\n",
0822339b 260 StateToSet, ChangeSource, priv->rtllib->RfOffReason);
94a79942
LF		 261 }
262
2937a5d2
MK		 263 spin_lock_irqsave(&priv->rf_ps_lock, flag);
264 priv->RFChangeInProgress = false;
265 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
94a79942 266
f434f9d5 267 RT_TRACE((COMP_PS | COMP_RF), "<===rtl92e_set_rf_state()\n");
94a79942
LF		 268 return bActionAllowed;
269}
270
288adaf5 271static short _rtl92e_check_nic_enough_desc(struct net_device *dev, int prio)
94a79942 272{
1344ee25
LF		 273 struct r8192_priv *priv = rtllib_priv(dev);
274 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
94a79942 275
1344ee25
LF		 276 if (ring->entries - skb_queue_len(&ring->queue) >= 2)
277 return 1;
278 return 0;
94a79942
LF		 279}
280
ac392655 281static void _rtl92e_tx_timeout(struct net_device *dev)
94a79942 282{
1344ee25 283 struct r8192_priv *priv = rtllib_priv(dev);
94a79942 284
1344ee25 285 schedule_work(&priv->reset_wq);
d69d2054 286 netdev_info(dev, "TXTIMEOUT");
94a79942
LF		 287}
288
b74299cd 289void rtl92e_irq_enable(struct net_device *dev)
94a79942 290{
a4eed41f 291 struct r8192_priv *priv = rtllib_priv(dev);
3a6b70c3 292
94a79942
LF		 293 priv->irq_enabled = 1;
294
295 priv->ops->irq_enable(dev);
296}
297
b7b50d65 298void rtl92e_irq_disable(struct net_device *dev)
94a79942 299{
a4eed41f 300 struct r8192_priv *priv = rtllib_priv(dev);
94a79942
LF		 301
302 priv->ops->irq_disable(dev);
303
304 priv->irq_enabled = 0;
305}
306
5da06ad8 307static void _rtl92e_set_chan(struct net_device *dev, short ch)
94a79942 308{
a4eed41f 309 struct r8192_priv *priv = rtllib_priv(dev);
94a79942 310
1344ee25
LF		 311 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
312 if (priv->chan_forced)
313 return;
94a79942 314
1344ee25 315 priv->chan = ch;
94a79942 316
1344ee25
LF		 317 if (priv->rf_set_chan)
318 priv->rf_set_chan(dev, priv->chan);
94a79942
LF		 319}
320
9a99c563 321static void _rtl92e_update_cap(struct net_device *dev, u16 cap)
94a79942
LF		 322{
323 struct r8192_priv *priv = rtllib_priv(dev);
324 struct rtllib_network *net = &priv->rtllib->current_network;
1344ee25
LF		 325 bool ShortPreamble;
326
327 if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE) {
328 if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT) {
329 ShortPreamble = true;
330 priv->dot11CurrentPreambleMode = PREAMBLE_SHORT;
0822339b
MK		 331 RT_TRACE(COMP_DBG,
332 "%s(): WLAN_CAPABILITY_SHORT_PREAMBLE\n",
333 __func__);
1344ee25
LF		 334 priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
335 (unsigned char *)&ShortPreamble);
94a79942 336 }
1344ee25
LF		 337 } else {
338 if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG) {
339 ShortPreamble = false;
340 priv->dot11CurrentPreambleMode = PREAMBLE_LONG;
0822339b
MK		 341 RT_TRACE(COMP_DBG,
342 "%s(): WLAN_CAPABILITY_LONG_PREAMBLE\n",
343 __func__);
1344ee25
LF		 344 priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
345 (unsigned char *)&ShortPreamble);
94a79942
LF		 346 }
347 }
348
1344ee25 349 if (net->mode & (IEEE_G|IEEE_N_24G)) {
94a79942
LF		 350 u8 slot_time_val;
351 u8 CurSlotTime = priv->slot_time;
352
1344ee25
LF		 353 if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) &&
354 (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime)) {
355 if (CurSlotTime != SHORT_SLOT_TIME) {
94a79942 356 slot_time_val = SHORT_SLOT_TIME;
1344ee25
LF		 357 priv->rtllib->SetHwRegHandler(dev,
358 HW_VAR_SLOT_TIME, &slot_time_val);
94a79942 359 }
1344ee25
LF		 360 } else {
361 if (CurSlotTime != NON_SHORT_SLOT_TIME) {
94a79942 362 slot_time_val = NON_SHORT_SLOT_TIME;
1344ee25
LF		 363 priv->rtllib->SetHwRegHandler(dev,
364 HW_VAR_SLOT_TIME, &slot_time_val);
94a79942
LF		 365 }
366 }
367 }
368}
369
370static struct rtllib_qos_parameters def_qos_parameters = {
34e987e6
RK		 371 {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
372 {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1344ee25
LF		 373 {2, 2, 2, 2},
374 {0, 0, 0, 0},
375 {0, 0, 0, 0}
94a79942
LF		 376};
377
dc888405 378static void _rtl92e_update_beacon(void *data)
94a79942 379{
1344ee25
LF		 380 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
381 update_beacon_wq.work);
94a79942 382 struct net_device *dev = priv->rtllib->dev;
1344ee25
LF		 383 struct rtllib_device *ieee = priv->rtllib;
384 struct rtllib_network *net = &ieee->current_network;
94a79942
LF		 385
386 if (ieee->pHTInfo->bCurrentHTSupport)
976d5341 387 HT_update_self_and_peer_setting(ieee, net);
1344ee25
LF		 388 ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
389 net->bssht.bdRT2RTLongSlotTime;
94a79942 390 ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode;
9a99c563 391 _rtl92e_update_cap(dev, net->capability);
94a79942
LF		 392}
393
ae1fe0db 394static void _rtl92e_qos_activate(void *data)
94a79942 395{
1344ee25
LF		 396 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
397 qos_activate);
94a79942 398 struct net_device *dev = priv->rtllib->dev;
1344ee25 399 int i;
94a79942 400
1344ee25
LF		 401 mutex_lock(&priv->mutex);
402 if (priv->rtllib->state != RTLLIB_LINKED)
94a79942 403 goto success;
0822339b
MK		 404 RT_TRACE(COMP_QOS,
405 "qos active process with associate response received\n");
94a79942 406
fe40a0b3 407 for (i = 0; i < QOS_QUEUE_NUM; i++)
1344ee25 408 priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8 *)(&i));
fe40a0b3 409
94a79942
LF		 410
411success:
1344ee25 412 mutex_unlock(&priv->mutex);
94a79942
LF		 413}
414
c5d0d6f5
MK		 415static int _rtl92e_qos_handle_probe_response(struct r8192_priv *priv,
416 int active_network,
417 struct rtllib_network *network)
94a79942
LF		 418{
419 int ret = 0;
420 u32 size = sizeof(struct rtllib_qos_parameters);
421
1344ee25
LF		 422 if (priv->rtllib->state != RTLLIB_LINKED)
423 return ret;
94a79942 424
025b8bbe 425 if (priv->rtllib->iw_mode != IW_MODE_INFRA)
94a79942
LF		 426 return ret;
427
428 if (network->flags & NETWORK_HAS_QOS_MASK) {
429 if (active_network &&
430 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
431 network->qos_data.active = network->qos_data.supported;
432
433 if ((network->qos_data.active == 1) && (active_network == 1) &&
434 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
435 (network->qos_data.old_param_count !=
1344ee25 436 network->qos_data.param_count)) {
94a79942
LF		 437 network->qos_data.old_param_count =
438 network->qos_data.param_count;
1344ee25 439 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
ecfdd3a0 440 schedule_work(&priv->qos_activate);
0822339b
MK		 441 RT_TRACE(COMP_QOS,
442 "QoS parameters change call qos_activate\n");
94a79942
LF		 443 }
444 } else {
1344ee25 445 memcpy(&priv->rtllib->current_network.qos_data.parameters,
94a79942
LF		 446 &def_qos_parameters, size);
447
448 if ((network->qos_data.active == 1) && (active_network == 1)) {
ecfdd3a0 449 schedule_work(&priv->qos_activate);
0822339b
MK		 450 RT_TRACE(COMP_QOS,
451 "QoS was disabled call qos_activate\n");
94a79942
LF		 452 }
453 network->qos_data.active = 0;
454 network->qos_data.supported = 0;
455 }
456
457 return 0;
458}
459
5341f070
MK		 460static int _rtl92e_handle_beacon(struct net_device *dev,
461 struct rtllib_beacon *beacon,
462 struct rtllib_network *network)
94a79942
LF		 463{
464 struct r8192_priv *priv = rtllib_priv(dev);
465
c5d0d6f5 466 _rtl92e_qos_handle_probe_response(priv, 1, network);
94a79942 467
ecfdd3a0 468 schedule_delayed_work(&priv->update_beacon_wq, 0);
94a79942
LF		 469 return 0;
470
471}
472
24bee78a
MK		 473static int _rtl92e_qos_assoc_resp(struct r8192_priv *priv,
474 struct rtllib_network *network)
94a79942 475{
1344ee25
LF		 476 unsigned long flags;
477 u32 size = sizeof(struct rtllib_qos_parameters);
478 int set_qos_param = 0;
94a79942 479
1344ee25 480 if ((priv == NULL) || (network == NULL))
5c8b3961 481 return 0;
94a79942 482
1344ee25 483 if (priv->rtllib->state != RTLLIB_LINKED)
5c8b3961 484 return 0;
94a79942 485
025b8bbe 486 if (priv->rtllib->iw_mode != IW_MODE_INFRA)
5c8b3961 487 return 0;
94a79942 488
1344ee25 489 spin_lock_irqsave(&priv->rtllib->lock, flags);
94a79942 490 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1344ee25
LF		 491 memcpy(&priv->rtllib->current_network.qos_data.parameters,
492 &network->qos_data.parameters,
493 sizeof(struct rtllib_qos_parameters));
94a79942 494 priv->rtllib->current_network.qos_data.active = 1;
1344ee25 495 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
94a79942
LF		 496 set_qos_param = 1;
497 priv->rtllib->current_network.qos_data.old_param_count =
1344ee25 498 priv->rtllib->current_network.qos_data.param_count;
94a79942 499 priv->rtllib->current_network.qos_data.param_count =
1344ee25
LF		 500 network->qos_data.param_count;
501 } else {
94a79942 502 memcpy(&priv->rtllib->current_network.qos_data.parameters,
1344ee25 503 &def_qos_parameters, size);
94a79942
LF		 504 priv->rtllib->current_network.qos_data.active = 0;
505 priv->rtllib->current_network.qos_data.supported = 0;
1344ee25
LF		 506 set_qos_param = 1;
507 }
94a79942 508
1344ee25 509 spin_unlock_irqrestore(&priv->rtllib->lock, flags);
94a79942
LF		 510
511 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1344ee25 512 network->flags, priv->rtllib->current_network.qos_data.active);
94a79942 513 if (set_qos_param == 1) {
7842c2d5 514 rtl92e_dm_init_edca_turbo(priv->rtllib->dev);
ecfdd3a0 515 schedule_work(&priv->qos_activate);
94a79942 516 }
5c8b3961 517 return 0;
94a79942
LF		 518}
519
8b5a8031 520static int _rtl92e_handle_assoc_response(struct net_device *dev,
1344ee25
LF		 521 struct rtllib_assoc_response_frame *resp,
522 struct rtllib_network *network)
94a79942 523{
1344ee25 524 struct r8192_priv *priv = rtllib_priv(dev);
3a6b70c3 525
24bee78a 526 _rtl92e_qos_assoc_resp(priv, network);
1344ee25 527 return 0;
94a79942
LF		 528}
529
e009a849 530static void _rtl92e_prepare_beacon(struct r8192_priv *priv)
94a79942
LF		 531{
532 struct net_device *dev = priv->rtllib->dev;
533 struct sk_buff *pskb = NULL, *pnewskb = NULL;
3b83db43 534 struct cb_desc *tcb_desc = NULL;
94a79942 535 struct rtl8192_tx_ring *ring = NULL;
bc27e89b 536 struct tx_desc *pdesc = NULL;
94a79942
LF		 537
538 ring = &priv->tx_ring[BEACON_QUEUE];
539 pskb = __skb_dequeue(&ring->queue);
085b5018 540 kfree_skb(pskb);
94a79942
LF		 541
542 pnewskb = rtllib_get_beacon(priv->rtllib);
543 if (!pnewskb)
544 return;
545
3b83db43 546 tcb_desc = (struct cb_desc *)(pnewskb->cb + 8);
94a79942
LF		 547 tcb_desc->queue_index = BEACON_QUEUE;
548 tcb_desc->data_rate = 2;
549 tcb_desc->RATRIndex = 7;
550 tcb_desc->bTxDisableRateFallBack = 1;
551 tcb_desc->bTxUseDriverAssingedRate = 1;
552 skb_push(pnewskb, priv->rtllib->tx_headroom);
553
554 pdesc = &ring->desc[0];
555 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
556 __skb_queue_tail(&ring->queue, pnewskb);
557 pdesc->OWN = 1;
94a79942
LF		 558}
559
f2f08fc5 560static void _rtl92e_stop_beacon(struct net_device *dev)
94a79942
LF		 561{
562}
563
122fe9f1 564void rtl92e_config_rate(struct net_device *dev, u16 *rate_config)
1344ee25
LF		 565{
566 struct r8192_priv *priv = rtllib_priv(dev);
567 struct rtllib_network *net;
568 u8 i = 0, basic_rate = 0;
3a6b70c3 569
1344ee25
LF		 570 net = &priv->rtllib->current_network;
571
572 for (i = 0; i < net->rates_len; i++) {
573 basic_rate = net->rates[i] & 0x7f;
574 switch (basic_rate) {
575 case MGN_1M:
576 *rate_config |= RRSR_1M;
577 break;
578 case MGN_2M:
579 *rate_config |= RRSR_2M;
580 break;
581 case MGN_5_5M:
582 *rate_config |= RRSR_5_5M;
583 break;
584 case MGN_11M:
585 *rate_config |= RRSR_11M;
586 break;
587 case MGN_6M:
588 *rate_config |= RRSR_6M;
589 break;
590 case MGN_9M:
591 *rate_config |= RRSR_9M;
592 break;
593 case MGN_12M:
594 *rate_config |= RRSR_12M;
595 break;
596 case MGN_18M:
597 *rate_config |= RRSR_18M;
598 break;
599 case MGN_24M:
600 *rate_config |= RRSR_24M;
601 break;
602 case MGN_36M:
603 *rate_config |= RRSR_36M;
604 break;
605 case MGN_48M:
606 *rate_config |= RRSR_48M;
607 break;
608 case MGN_54M:
609 *rate_config |= RRSR_54M;
610 break;
611 }
612 }
613
614 for (i = 0; i < net->rates_ex_len; i++) {
615 basic_rate = net->rates_ex[i] & 0x7f;
616 switch (basic_rate) {
617 case MGN_1M:
618 *rate_config |= RRSR_1M;
619 break;
620 case MGN_2M:
621 *rate_config |= RRSR_2M;
622 break;
623 case MGN_5_5M:
624 *rate_config |= RRSR_5_5M;
625 break;
626 case MGN_11M:
627 *rate_config |= RRSR_11M;
628 break;
629 case MGN_6M:
630 *rate_config |= RRSR_6M;
631 break;
632 case MGN_9M:
633 *rate_config |= RRSR_9M;
634 break;
635 case MGN_12M:
636 *rate_config |= RRSR_12M;
637 break;
638 case MGN_18M:
639 *rate_config |= RRSR_18M;
640 break;
641 case MGN_24M:
642 *rate_config |= RRSR_24M;
643 break;
644 case MGN_36M:
645 *rate_config |= RRSR_36M;
646 break;
647 case MGN_48M:
648 *rate_config |= RRSR_48M;
649 break;
650 case MGN_54M:
651 *rate_config |= RRSR_54M;
652 break;
653 }
654 }
655}
656
422c8bef 657static void _rtl92e_refresh_support_rate(struct r8192_priv *priv)
1344ee25
LF		 658{
659 struct rtllib_device *ieee = priv->rtllib;
3a6b70c3 660
1344ee25
LF		 661 if (ieee->mode == WIRELESS_MODE_N_24G ||
662 ieee->mode == WIRELESS_MODE_N_5G) {
663 memcpy(ieee->Regdot11HTOperationalRateSet,
664 ieee->RegHTSuppRateSet, 16);
665 memcpy(ieee->Regdot11TxHTOperationalRateSet,
666 ieee->RegHTSuppRateSet, 16);
94a79942 667
94a79942
LF		 668 } else {
669 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
670 }
94a79942
LF		 671}
672
ee394a7f 673static u8 _rtl92e_get_supported_wireless_mode(struct net_device *dev)
94a79942
LF		 674{
675 struct r8192_priv *priv = rtllib_priv(dev);
676 u8 ret = 0;
677
678 switch (priv->rf_chip) {
679 case RF_8225:
680 case RF_8256:
681 case RF_6052:
682 case RF_PSEUDO_11N:
683 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B);
684 break;
685 case RF_8258:
686 ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G);
687 break;
688 default:
689 ret = WIRELESS_MODE_B;
690 break;
691 }
692 return ret;
693}
694
35bf848f 695void rtl92e_set_wireless_mode(struct net_device *dev, u8 wireless_mode)
94a79942
LF		 696{
697 struct r8192_priv *priv = rtllib_priv(dev);
ee394a7f 698 u8 bSupportMode = _rtl92e_get_supported_wireless_mode(dev);
94a79942 699
1344ee25
LF		 700 if ((wireless_mode == WIRELESS_MODE_AUTO) ||
701 ((wireless_mode & bSupportMode) == 0)) {
94a79942
LF		 702 if (bSupportMode & WIRELESS_MODE_N_24G) {
703 wireless_mode = WIRELESS_MODE_N_24G;
704 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
705 wireless_mode = WIRELESS_MODE_N_5G;
706 } else if ((bSupportMode & WIRELESS_MODE_A)) {
707 wireless_mode = WIRELESS_MODE_A;
708 } else if ((bSupportMode & WIRELESS_MODE_G)) {
709 wireless_mode = WIRELESS_MODE_G;
710 } else if ((bSupportMode & WIRELESS_MODE_B)) {
711 wireless_mode = WIRELESS_MODE_B;
712 } else {
3b4140af
MK		 713 netdev_info(dev,
714 "%s(): Unsupported mode requested. Fallback to 802.11b\n",
715 __func__);
94a79942
LF		 716 wireless_mode = WIRELESS_MODE_B;
717 }
718 }
719
1344ee25
LF		 720 if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) ==
721 (WIRELESS_MODE_G | WIRELESS_MODE_B))
94a79942
LF		 722 wireless_mode = WIRELESS_MODE_G;
723
724 priv->rtllib->mode = wireless_mode;
725
1344ee25
LF		 726 if ((wireless_mode == WIRELESS_MODE_N_24G) ||
727 (wireless_mode == WIRELESS_MODE_N_5G)) {
94a79942 728 priv->rtllib->pHTInfo->bEnableHT = 1;
1344ee25
LF		 729 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n",
730 __func__, wireless_mode);
731 } else {
94a79942 732 priv->rtllib->pHTInfo->bEnableHT = 0;
1344ee25
LF		 733 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n",
734 __func__, wireless_mode);
735 }
94a79942
LF		 736
737 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
422c8bef 738 _rtl92e_refresh_support_rate(priv);
94a79942
LF		 739}
740
dba0e06f 741static int _rtl92e_sta_up(struct net_device *dev, bool is_silent_reset)
94a79942
LF		 742{
743 struct r8192_priv *priv = rtllib_priv(dev);
1344ee25
LF		 744 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
745 (&(priv->rtllib->PowerSaveControl));
94a79942 746 bool init_status = true;
3a6b70c3 747
94a79942
LF		 748 priv->bDriverIsGoingToUnload = false;
749 priv->bdisable_nic = false;
750
1344ee25
LF		 751 priv->up = 1;
752 priv->rtllib->ieee_up = 1;
94a79942
LF		 753
754 priv->up_first_time = 0;
755 RT_TRACE(COMP_INIT, "Bringing up iface");
756 priv->bfirst_init = true;
757 init_status = priv->ops->initialize_adapter(dev);
4bb01423 758 if (!init_status) {
3b4140af 759 netdev_err(dev, "%s(): Initialization failed!\n", __func__);
94a79942
LF		 760 priv->bfirst_init = false;
761 return -1;
762 }
763
764 RT_TRACE(COMP_INIT, "start adapter finished\n");
765 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
766 priv->bfirst_init = false;
94a79942 767
1344ee25 768 if (priv->polling_timer_on == 0)
a643d927 769 rtl92e_check_rfctrl_gpio_timer((unsigned long)dev);
94a79942
LF		 770
771 if (priv->rtllib->state != RTLLIB_LINKED)
1344ee25 772 rtllib_softmac_start_protocol(priv->rtllib, 0);
94a79942 773 rtllib_reset_queue(priv->rtllib);
2cfc3758 774 _rtl92e_watchdog_timer_cb((unsigned long)dev);
94a79942 775
94a79942
LF		 776 if (!netif_queue_stopped(dev))
777 netif_start_queue(dev);
778 else
779 netif_wake_queue(dev);
780
781 return 0;
782}
783
2b19e222 784static int _rtl92e_sta_down(struct net_device *dev, bool shutdownrf)
94a79942
LF		 785{
786 struct r8192_priv *priv = rtllib_priv(dev);
787 unsigned long flags = 0;
788 u8 RFInProgressTimeOut = 0;
789
1344ee25
LF		 790 if (priv->up == 0)
791 return -1;
94a79942
LF		 792
793 if (priv->rtllib->rtllib_ips_leave != NULL)
794 priv->rtllib->rtllib_ips_leave(dev);
795
796 if (priv->rtllib->state == RTLLIB_LINKED)
9c4a55d1 797 rtl92e_leisure_ps_leave(dev);
94a79942
LF		 798
799 priv->bDriverIsGoingToUnload = true;
1344ee25 800 priv->up = 0;
94a79942 801 priv->rtllib->ieee_up = 0;
014e4c27 802 priv->bfirst_after_down = true;
94a79942
LF		 803 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
804 if (!netif_queue_stopped(dev))
805 netif_stop_queue(dev);
806
807 priv->rtllib->wpa_ie_len = 0;
1344ee25 808 kfree(priv->rtllib->wpa_ie);
94a79942 809 priv->rtllib->wpa_ie = NULL;
358e4ee1 810 rtl92e_cam_reset(dev);
1344ee25 811 memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
b7b50d65 812 rtl92e_irq_disable(dev);
94a79942
LF		 813
814 del_timer_sync(&priv->watch_dog_timer);
4dba03a2 815 _rtl92e_cancel_deferred_work(priv);
94a79942 816 cancel_delayed_work(&priv->rtllib->hw_wakeup_wq);
94a79942
LF		 817
818 rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
1344ee25
LF		 819 spin_lock_irqsave(&priv->rf_ps_lock, flags);
820 while (priv->RFChangeInProgress) {
821 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
822 if (RFInProgressTimeOut > 100) {
823 spin_lock_irqsave(&priv->rf_ps_lock, flags);
94a79942
LF		 824 break;
825 }
0822339b
MK		 826 RT_TRACE(COMP_DBG,
827 "===>%s():RF is in progress, need to wait until rf change is done.\n",
828 __func__);
94a79942 829 mdelay(1);
1344ee25
LF		 830 RFInProgressTimeOut++;
831 spin_lock_irqsave(&priv->rf_ps_lock, flags);
94a79942
LF		 832 }
833 priv->RFChangeInProgress = true;
1344ee25 834 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
94a79942 835 priv->ops->stop_adapter(dev, false);
1344ee25 836 spin_lock_irqsave(&priv->rf_ps_lock, flags);
94a79942 837 priv->RFChangeInProgress = false;
1344ee25 838 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
94a79942 839 udelay(100);
1344ee25
LF		 840 memset(&priv->rtllib->current_network, 0,
841 offsetof(struct rtllib_network, list));
94a79942
LF		 842 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
843
844 return 0;
845}
846
b8d0dc3c 847static void _rtl92e_init_priv_handler(struct net_device *dev)
94a79942
LF		 848{
849 struct r8192_priv *priv = rtllib_priv(dev);
850
3e49f3ec 851 priv->rtllib->softmac_hard_start_xmit = _rtl92e_hard_start_xmit;
5da06ad8 852 priv->rtllib->set_chan = _rtl92e_set_chan;
1344ee25 853 priv->rtllib->link_change = priv->ops->link_change;
52a74045 854 priv->rtllib->softmac_data_hard_start_xmit = _rtl92e_hard_data_xmit;
288adaf5 855 priv->rtllib->check_nic_enough_desc = _rtl92e_check_nic_enough_desc;
8b5a8031 856 priv->rtllib->handle_assoc_response = _rtl92e_handle_assoc_response;
5341f070 857 priv->rtllib->handle_beacon = _rtl92e_handle_beacon;
35bf848f 858 priv->rtllib->SetWirelessMode = rtl92e_set_wireless_mode;
9c4a55d1 859 priv->rtllib->LeisurePSLeave = rtl92e_leisure_ps_leave;
ae924acd 860 priv->rtllib->SetBWModeHandler = rtl92e_set_bw_mode;
68a5143c 861 priv->rf_set_chan = rtl92e_set_channel;
94a79942 862
89d4a8be 863 priv->rtllib->start_send_beacons = rtl92e_start_beacon;
f2f08fc5 864 priv->rtllib->stop_send_beacons = _rtl92e_stop_beacon;
94a79942 865
43bcb3b4 866 priv->rtllib->sta_wake_up = rtl92e_hw_wakeup;
feb257e5 867 priv->rtllib->enter_sleep_state = rtl92e_enter_sleep;
6f8d4a7d 868 priv->rtllib->ps_is_queue_empty = _rtl92e_is_tx_queue_empty;
94a79942 869
56a5b5af 870 priv->rtllib->GetNmodeSupportBySecCfg = rtl92e_get_nmode_support_by_sec;
1344ee25 871 priv->rtllib->GetHalfNmodeSupportByAPsHandler =
86534a29 872 rtl92e_is_halfn_supported_by_ap;
94a79942 873
61fea239 874 priv->rtllib->SetHwRegHandler = rtl92e_set_reg;
33e1748d 875 priv->rtllib->AllowAllDestAddrHandler = rtl92e_set_monitor_mode;
94a79942 876 priv->rtllib->SetFwCmdHandler = NULL;
dfb7a127 877 priv->rtllib->InitialGainHandler = rtl92e_init_gain;
d66e938e 878 priv->rtllib->rtllib_ips_leave_wq = rtl92e_rtllib_ips_leave_wq;
bf135a16 879 priv->rtllib->rtllib_ips_leave = rtl92e_rtllib_ips_leave;
94a79942
LF		 880
881 priv->rtllib->LedControlHandler = NULL;
882 priv->rtllib->UpdateBeaconInterruptHandler = NULL;
883
9a44c6e6 884 priv->rtllib->ScanOperationBackupHandler = rtl92e_scan_op_backup;
94a79942
LF		 885}
886
6b2aaeae 887static void _rtl92e_init_priv_constant(struct net_device *dev)
94a79942 888{
94a79942 889 struct r8192_priv *priv = rtllib_priv(dev);
1344ee25
LF		 890 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
891 &(priv->rtllib->PowerSaveControl);
94a79942 892
94a79942 893 pPSC->RegMaxLPSAwakeIntvl = 5;
94a79942
LF		 894}
895
896
414f401f 897static void _rtl92e_init_priv_variable(struct net_device *dev)
94a79942
LF		 898{
899 struct r8192_priv *priv = rtllib_priv(dev);
900 u8 i;
901
902 priv->AcmMethod = eAcmWay2_SW;
903 priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
94a79942 904 priv->rtllib->status = 0;
94a79942
LF		 905 priv->polling_timer_on = 0;
906 priv->up_first_time = 1;
907 priv->blinked_ingpio = false;
908 priv->bDriverIsGoingToUnload = false;
909 priv->being_init_adapter = false;
910 priv->initialized_at_probe = false;
94a79942
LF		 911 priv->bdisable_nic = false;
912 priv->bfirst_init = false;
913 priv->txringcount = 64;
914 priv->rxbuffersize = 9100;
915 priv->rxringcount = MAX_RX_COUNT;
1344ee25 916 priv->irq_enabled = 0;
94a79942 917 priv->chan = 1;
94a79942 918 priv->RegChannelPlan = 0xf;
94a79942
LF		 919 priv->rtllib->mode = WIRELESS_MODE_AUTO;
920 priv->rtllib->iw_mode = IW_MODE_INFRA;
921 priv->rtllib->bNetPromiscuousMode = false;
922 priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false;
1344ee25
LF		 923 priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame =
924 false;
925 priv->rtllib->ieee_up = 0;
94a79942
LF		 926 priv->retry_rts = DEFAULT_RETRY_RTS;
927 priv->retry_data = DEFAULT_RETRY_DATA;
928 priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
929 priv->rtllib->rate = 110;
930 priv->rtllib->short_slot = 1;
1344ee25 931 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
94a79942
LF		 932 priv->bcck_in_ch14 = false;
933 priv->bfsync_processing = false;
934 priv->CCKPresentAttentuation = 0;
935 priv->rfa_txpowertrackingindex = 0;
936 priv->rfc_txpowertrackingindex = 0;
937 priv->CckPwEnl = 6;
938 priv->ScanDelay = 50;
939 priv->ResetProgress = RESET_TYPE_NORESET;
014e4c27 940 priv->bForcedSilentReset = false;
94a79942
LF		 941 priv->bDisableNormalResetCheck = false;
942 priv->force_reset = false;
1344ee25 943 memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
94a79942 944
1344ee25 945 memset(&priv->InterruptLog, 0, sizeof(struct log_int_8190));
94a79942 946 priv->RxCounter = 0;
1344ee25 947 priv->rtllib->wx_set_enc = 0;
94a79942 948 priv->bHwRadioOff = false;
014e4c27 949 priv->RegRfOff = false;
94a79942
LF		 950 priv->isRFOff = false;
951 priv->bInPowerSaveMode = false;
952 priv->rtllib->RfOffReason = 0;
953 priv->RFChangeInProgress = false;
954 priv->bHwRfOffAction = 0;
955 priv->SetRFPowerStateInProgress = false;
956 priv->rtllib->PowerSaveControl.bInactivePs = true;
957 priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
958 priv->rtllib->PowerSaveControl.bLeisurePs = true;
959 priv->rtllib->PowerSaveControl.bFwCtrlLPS = false;
960 priv->rtllib->LPSDelayCnt = 0;
961 priv->rtllib->sta_sleep = LPS_IS_WAKE;
962 priv->rtllib->eRFPowerState = eRfOn;
963
94a79942
LF		 964 priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
965 priv->rtllib->iw_mode = IW_MODE_INFRA;
966 priv->rtllib->active_scan = 1;
967 priv->rtllib->be_scan_inprogress = false;
1344ee25
LF		 968 priv->rtllib->modulation = RTLLIB_CCK_MODULATION |
969 RTLLIB_OFDM_MODULATION;
94a79942
LF		 970 priv->rtllib->host_encrypt = 1;
971 priv->rtllib->host_decrypt = 1;
972
94a79942 973 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
94a79942
LF		 974
975 priv->card_type = PCI;
976
49aab5fd
LF		 977 priv->pFirmware = vzalloc(sizeof(struct rt_firmware));
978 if (!priv->pFirmware)
d69d2054
MK		 979 netdev_err(dev,
980 "rtl8192e: Unable to allocate space for firmware\n");
94a79942 981
94a79942
LF		 982 skb_queue_head_init(&priv->skb_queue);
983
1344ee25
LF		 984 for (i = 0; i < MAX_QUEUE_SIZE; i++)
985 skb_queue_head_init(&priv->rtllib->skb_waitQ[i]);
986 for (i = 0; i < MAX_QUEUE_SIZE; i++)
987 skb_queue_head_init(&priv->rtllib->skb_aggQ[i]);
94a79942
LF		 988}
989
529c66c1 990static void _rtl92e_init_priv_lock(struct r8192_priv *priv)
94a79942 991{
94a79942 992 spin_lock_init(&priv->tx_lock);
94a79942
LF		 993 spin_lock_init(&priv->irq_th_lock);
994 spin_lock_init(&priv->rf_ps_lock);
995 spin_lock_init(&priv->ps_lock);
3044975f 996 mutex_init(&priv->wx_mutex);
5333496c 997 mutex_init(&priv->rf_mutex);
94a79942 998 mutex_init(&priv->mutex);
94a79942
LF		 999}
1000
4ab2a8fe 1001static void _rtl92e_init_priv_task(struct net_device *dev)
94a79942
LF		 1002{
1003 struct r8192_priv *priv = rtllib_priv(dev);
1004
78e67df3 1005 INIT_WORK_RSL(&priv->reset_wq, (void *)_rtl92e_restart, dev);
a514c798
MK		 1006 INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void *)rtl92e_ips_leave_wq,
1007 dev);
1344ee25 1008 INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq,
7e2d598a 1009 (void *)_rtl92e_watchdog_wq_cb, dev);
1344ee25 1010 INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq,
33059f54 1011 (void *)rtl92e_dm_txpower_tracking_wq, dev);
1344ee25 1012 INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq,
3cd4db70 1013 (void *)rtl92e_dm_rf_pathcheck_wq, dev);
1344ee25 1014 INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq,
dc888405 1015 (void *)_rtl92e_update_beacon, dev);
ae1fe0db 1016 INIT_WORK_RSL(&priv->qos_activate, (void *)_rtl92e_qos_activate, dev);
1344ee25 1017 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq,
c34b29f7 1018 (void *) rtl92e_hw_wakeup_wq, dev);
1344ee25 1019 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,
bcdcc1ea 1020 (void *) rtl92e_hw_sleep_wq, dev);
94a79942 1021 tasklet_init(&priv->irq_rx_tasklet,
2940405b 1022 (void(*)(unsigned long))_rtl92e_irq_rx_tasklet,
1344ee25 1023 (unsigned long)priv);
94a79942 1024 tasklet_init(&priv->irq_tx_tasklet,
a2743b2c 1025 (void(*)(unsigned long))_rtl92e_irq_tx_tasklet,
1344ee25
LF		 1026 (unsigned long)priv);
1027 tasklet_init(&priv->irq_prepare_beacon_tasklet,
e009a849 1028 (void(*)(unsigned long))_rtl92e_prepare_beacon,
1344ee25 1029 (unsigned long)priv);
94a79942
LF		 1030}
1031
66a5c29b 1032static short _rtl92e_get_channel_map(struct net_device *dev)
94a79942
LF		 1033{
1034 int i;
1035
94a79942 1036 struct r8192_priv *priv = rtllib_priv(dev);
3a6b70c3 1037
94a79942
LF		 1038 if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256)
1039 && (priv->rf_chip != RF_6052)) {
3b4140af
MK		 1040 netdev_err(dev, "%s: unknown rf chip, can't set channel map\n",
1041 __func__);
94a79942
LF		 1042 return -1;
1043 }
1044
8f019bfe 1045 if (priv->ChannelPlan >= COUNTRY_CODE_MAX) {
d69d2054
MK		 1046 netdev_info(dev,
1047 "rtl819x_init:Error channel plan! Set to default.\n");
1344ee25 1048 priv->ChannelPlan = COUNTRY_CODE_FCC;
94a79942 1049 }
1344ee25 1050 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
976d5341 1051 dot11d_init(priv->rtllib);
94a79942 1052 Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib);
1344ee25 1053 for (i = 1; i <= 11; i++)
94a79942 1054 (priv->rtllib->active_channel_map)[i] = 1;
94a79942
LF		 1055 (priv->rtllib->active_channel_map)[12] = 2;
1056 (priv->rtllib->active_channel_map)[13] = 2;
1057
1058 return 0;
1059}
1060
6bd5e8e0 1061static short _rtl92e_init(struct net_device *dev)
94a79942
LF		 1062{
1063 struct r8192_priv *priv = rtllib_priv(dev);
1064
1344ee25 1065 memset(&(priv->stats), 0, sizeof(struct rt_stats));
94a79942 1066
b8d0dc3c 1067 _rtl92e_init_priv_handler(dev);
6b2aaeae 1068 _rtl92e_init_priv_constant(dev);
414f401f 1069 _rtl92e_init_priv_variable(dev);
529c66c1 1070 _rtl92e_init_priv_lock(priv);
4ab2a8fe 1071 _rtl92e_init_priv_task(dev);
94a79942
LF		 1072 priv->ops->get_eeprom_size(dev);
1073 priv->ops->init_adapter_variable(dev);
66a5c29b 1074 _rtl92e_get_channel_map(dev);
94a79942 1075
ab743598 1076 rtl92e_dm_init(dev);
94a79942 1077
94a79942 1078 setup_timer(&priv->watch_dog_timer,
2cfc3758 1079 _rtl92e_watchdog_timer_cb,
94a79942
LF		 1080 (unsigned long) dev);
1081
94a79942 1082 setup_timer(&priv->gpio_polling_timer,
a643d927 1083 rtl92e_check_rfctrl_gpio_timer,
94a79942
LF		 1084 (unsigned long)dev);
1085
b7b50d65 1086 rtl92e_irq_disable(dev);
87e01f22 1087 if (request_irq(dev->irq, _rtl92e_irq, IRQF_SHARED, dev->name, dev)) {
d69d2054 1088 netdev_err(dev, "Error allocating IRQ %d", dev->irq);
94a79942 1089 return -1;
94a79942
LF		 1090 }
1091
285b7c00
MK		 1092 priv->irq = dev->irq;
1093 RT_TRACE(COMP_INIT, "IRQ %d\n", dev->irq);
1094
197917a8 1095 if (_rtl92e_pci_initdescring(dev) != 0) {
d69d2054 1096 netdev_err(dev, "Endopoints initialization failed");
35f8673d 1097 free_irq(dev->irq, dev);
94a79942
LF		 1098 return -1;
1099 }
1100
1101 return 0;
1102}
1103
94a79942 1104/***************************************************************************
1344ee25 1105 -------------------------------WATCHDOG STUFF---------------------------
94a79942 1106***************************************************************************/
6f8d4a7d 1107static short _rtl92e_is_tx_queue_empty(struct net_device *dev)
94a79942 1108{
1344ee25 1109 int i = 0;
94a79942 1110 struct r8192_priv *priv = rtllib_priv(dev);
3a6b70c3 1111
1344ee25
LF		 1112 for (i = 0; i <= MGNT_QUEUE; i++) {
1113 if ((i == TXCMD_QUEUE) || (i == HCCA_QUEUE))
94a79942 1114 continue;
1344ee25 1115 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0) {
d69d2054 1116 netdev_info(dev, "===>tx queue is not empty:%d, %d\n",
1344ee25 1117 i, skb_queue_len(&(&priv->tx_ring[i])->queue));
94a79942
LF		 1118 return 0;
1119 }
1120 }
1121 return 1;
1122}
1123
c8d84191 1124static enum reset_type _rtl92e_tx_check_stuck(struct net_device *dev)
94a79942
LF		 1125{
1126 struct r8192_priv *priv = rtllib_priv(dev);
1344ee25 1127 u8 QueueID;
1344ee25 1128 bool bCheckFwTxCnt = false;
94a79942 1129 struct rtl8192_tx_ring *ring = NULL;
1344ee25
LF		 1130 struct sk_buff *skb = NULL;
1131 struct cb_desc *tcb_desc = NULL;
94a79942
LF		 1132 unsigned long flags = 0;
1133
1344ee25
LF		 1134 switch (priv->rtllib->ps) {
1135 case RTLLIB_PS_DISABLED:
1344ee25
LF		 1136 break;
1137 case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST):
1344ee25
LF		 1138 break;
1139 default:
1344ee25 1140 break;
94a79942 1141 }
1344ee25
LF		 1142 spin_lock_irqsave(&priv->irq_th_lock, flags);
1143 for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++) {
94a79942
LF		 1144 if (QueueID == TXCMD_QUEUE)
1145 continue;
1146
1147 if (QueueID == BEACON_QUEUE)
1148 continue;
1149
1150 ring = &priv->tx_ring[QueueID];
1151
1344ee25 1152 if (skb_queue_len(&ring->queue) == 0) {
94a79942 1153 continue;
1344ee25 1154 } else {
94a79942 1155 skb = (&ring->queue)->next;
1344ee25
LF		 1156 tcb_desc = (struct cb_desc *)(skb->cb +
1157 MAX_DEV_ADDR_SIZE);
94a79942
LF		 1158 tcb_desc->nStuckCount++;
1159 bCheckFwTxCnt = true;
1160 if (tcb_desc->nStuckCount > 1)
d69d2054
MK		 1161 netdev_info(dev,
1162 "%s: QueueID=%d tcb_desc->nStuckCount=%d\n",
1163 __func__, QueueID,
1164 tcb_desc->nStuckCount);
94a79942
LF		 1165 }
1166 }
1344ee25 1167 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
94a79942
LF		 1168
1169 if (bCheckFwTxCnt) {
1344ee25 1170 if (priv->ops->TxCheckStuckHandler(dev)) {
0822339b
MK		 1171 RT_TRACE(COMP_RESET,
1172 "TxCheckStuck(): Fw indicates no Tx condition!\n");
94a79942
LF		 1173 return RESET_TYPE_SILENT;
1174 }
1175 }
1176
1177 return RESET_TYPE_NORESET;
1178}
1179
ea2d7059 1180static enum reset_type _rtl92e_rx_check_stuck(struct net_device *dev)
94a79942
LF		 1181{
1182 struct r8192_priv *priv = rtllib_priv(dev);
1183
1344ee25 1184 if (priv->ops->RxCheckStuckHandler(dev)) {
94a79942
LF		 1185 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
1186 return RESET_TYPE_SILENT;
1187 }
1188
1189 return RESET_TYPE_NORESET;
1190}
1191
79fbe932 1192static enum reset_type _rtl92e_if_check_reset(struct net_device *dev)
94a79942
LF		 1193{
1194 struct r8192_priv *priv = rtllib_priv(dev);
ab0d7cca
LF		 1195 enum reset_type TxResetType = RESET_TYPE_NORESET;
1196 enum reset_type RxResetType = RESET_TYPE_NORESET;
de7c885a 1197 enum rt_rf_power_state rfState;
94a79942
LF		 1198
1199 rfState = priv->rtllib->eRFPowerState;
1200
1201 if (rfState == eRfOn)
c8d84191 1202 TxResetType = _rtl92e_tx_check_stuck(dev);
94a79942 1203
1344ee25 1204 if (rfState == eRfOn &&
94a79942 1205 (priv->rtllib->iw_mode == IW_MODE_INFRA) &&
1344ee25 1206 (priv->rtllib->state == RTLLIB_LINKED))
ea2d7059 1207 RxResetType = _rtl92e_rx_check_stuck(dev);
94a79942 1208
1344ee25
LF		 1209 if (TxResetType == RESET_TYPE_NORMAL ||
1210 RxResetType == RESET_TYPE_NORMAL) {
d69d2054
MK		 1211 netdev_info(dev, "%s(): TxResetType is %d, RxResetType is %d\n",
1212 __func__, TxResetType, RxResetType);
94a79942 1213 return RESET_TYPE_NORMAL;
1344ee25
LF		 1214 } else if (TxResetType == RESET_TYPE_SILENT ||
1215 RxResetType == RESET_TYPE_SILENT) {
d69d2054
MK		 1216 netdev_info(dev, "%s(): TxResetType is %d, RxResetType is %d\n",
1217 __func__, TxResetType, RxResetType);
94a79942
LF		 1218 return RESET_TYPE_SILENT;
1219 } else {
1220 return RESET_TYPE_NORESET;
1221 }
1222
1223}
1224
5e177a9f 1225static void _rtl92e_if_silent_reset(struct net_device *dev)
94a79942
LF		 1226{
1227 struct r8192_priv *priv = rtllib_priv(dev);
1228 u8 reset_times = 0;
1229 int reset_status = 0;
1230 struct rtllib_device *ieee = priv->rtllib;
1231 unsigned long flag;
1232
1344ee25 1233 if (priv->ResetProgress == RESET_TYPE_NORESET) {
94a79942 1234
1344ee25 1235 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
94a79942
LF		 1236
1237 priv->ResetProgress = RESET_TYPE_SILENT;
1238
1344ee25
LF		 1239 spin_lock_irqsave(&priv->rf_ps_lock, flag);
1240 if (priv->RFChangeInProgress) {
1241 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
94a79942
LF		 1242 goto END;
1243 }
1244 priv->RFChangeInProgress = true;
1245 priv->bResetInProgress = true;
1344ee25 1246 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
94a79942
LF		 1247
1248RESET_START:
1249
3044975f 1250 mutex_lock(&priv->wx_mutex);
94a79942
LF		 1251
1252 if (priv->rtllib->state == RTLLIB_LINKED)
9c4a55d1 1253 rtl92e_leisure_ps_leave(dev);
94a79942 1254
5dc42962 1255 if (priv->up) {
3b4140af
MK		 1256 netdev_info(dev, "%s():the driver is not up.\n",
1257 __func__);
3044975f 1258 mutex_unlock(&priv->wx_mutex);
fe40a0b3 1259 return;
94a79942
LF		 1260 }
1261 priv->up = 0;
1262
1344ee25
LF		 1263 RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n",
1264 __func__);
94a79942 1265 mdelay(1000);
0822339b
MK		 1266 RT_TRACE(COMP_RESET,
1267 "%s():111111111111111111111111======>start to down the driver\n",
1268 __func__);
94a79942
LF		 1269
1270 if (!netif_queue_stopped(dev))
1271 netif_stop_queue(dev);
1272
b7b50d65 1273 rtl92e_irq_disable(dev);
94a79942 1274 del_timer_sync(&priv->watch_dog_timer);
4dba03a2 1275 _rtl92e_cancel_deferred_work(priv);
fd9e3171 1276 rtl92e_dm_deinit(dev);
94a79942
LF		 1277 rtllib_stop_scan_syncro(ieee);
1278
1279 if (ieee->state == RTLLIB_LINKED) {
9afa9370 1280 mutex_lock(&ieee->wx_mutex);
d69d2054 1281 netdev_info(dev, "ieee->state is RTLLIB_LINKED\n");
94a79942
LF		 1282 rtllib_stop_send_beacons(priv->rtllib);
1283 del_timer_sync(&ieee->associate_timer);
1284 cancel_delayed_work(&ieee->associate_retry_wq);
1285 rtllib_stop_scan(ieee);
1286 netif_carrier_off(dev);
9afa9370 1287 mutex_unlock(&ieee->wx_mutex);
94a79942 1288 } else {
d69d2054 1289 netdev_info(dev, "ieee->state is NOT LINKED\n");
f6692285 1290 rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
94a79942
LF		 1291 }
1292
090e8a4d 1293 rtl92e_dm_backup_state(dev);
94a79942 1294
3044975f 1295 mutex_unlock(&priv->wx_mutex);
0822339b
MK		 1296 RT_TRACE(COMP_RESET,
1297 "%s():<==========down process is finished\n",
1298 __func__);
94a79942 1299
1344ee25
LF		 1300 RT_TRACE(COMP_RESET, "%s():<===========up process start\n",
1301 __func__);
81524bbc 1302 reset_status = _rtl92e_up(dev, true);
94a79942 1303
0822339b
MK		 1304 RT_TRACE(COMP_RESET,
1305 "%s():<===========up process is finished\n", __func__);
94a79942
LF		 1306 if (reset_status == -1) {
1307 if (reset_times < 3) {
1308 reset_times++;
1309 goto RESET_START;
1310 } else {
3b4140af
MK		 1311 netdev_warn(dev, "%s(): Reset Failed\n",
1312 __func__);
94a79942
LF		 1313 }
1314 }
1315
1316 ieee->is_silent_reset = 1;
1317
1344ee25 1318 spin_lock_irqsave(&priv->rf_ps_lock, flag);
94a79942 1319 priv->RFChangeInProgress = false;
1344ee25 1320 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
94a79942 1321
37420932 1322 rtl92e_enable_hw_security_config(dev);
94a79942 1323
1344ee25
LF		 1324 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1325 IW_MODE_INFRA) {
1326 ieee->set_chan(ieee->dev,
1327 ieee->current_network.channel);
94a79942 1328
354605f4 1329 schedule_work(&ieee->associate_complete_wq);
94a79942 1330
1344ee25
LF		 1331 } else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1332 IW_MODE_ADHOC) {
1333 ieee->set_chan(ieee->dev,
1334 ieee->current_network.channel);
94a79942
LF		 1335 ieee->link_change(ieee->dev);
1336
1337 notify_wx_assoc_event(ieee);
1338
1339 rtllib_start_send_beacons(ieee);
1340
94a79942 1341 netif_carrier_on(ieee->dev);
94a79942
LF		 1342 }
1343
66497f02 1344 rtl92e_cam_restore(dev);
25c01ec3 1345 rtl92e_dm_restore_state(dev);
94a79942
LF		 1346END:
1347 priv->ResetProgress = RESET_TYPE_NORESET;
1348 priv->reset_count++;
1349
1344ee25 1350 priv->bForcedSilentReset = false;
94a79942
LF		 1351 priv->bResetInProgress = false;
1352
d8ae1967 1353 rtl92e_writeb(dev, UFWP, 1);
1344ee25
LF		 1354 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n",
1355 priv->reset_count);
94a79942
LF		 1356 }
1357}
1358
c3b48165 1359static void _rtl92e_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
49aab5fd 1360 u32 *TotalRxDataNum)
94a79942 1361{
1344ee25
LF		 1362 u16 SlotIndex;
1363 u8 i;
94a79942
LF		 1364
1365 *TotalRxBcnNum = 0;
1366 *TotalRxDataNum = 0;
1367
1344ee25
LF		 1368 SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++) %
1369 (priv->rtllib->LinkDetectInfo.SlotNum);
1370 priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] =
1371 priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod;
1372 priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] =
1373 priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod;
94a79942
LF		 1374 for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) {
1375 *TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i];
1376 *TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i];
1377 }
1378}
1379
7e2d598a 1380static void _rtl92e_watchdog_wq_cb(void *data)
94a79942 1381{
1344ee25
LF		 1382 struct r8192_priv *priv = container_of_dwork_rsl(data,
1383 struct r8192_priv, watch_dog_wq);
94a79942 1384 struct net_device *dev = priv->rtllib->dev;
1344ee25 1385 struct rtllib_device *ieee = priv->rtllib;
ab0d7cca 1386 enum reset_type ResetType = RESET_TYPE_NORESET;
1344ee25 1387 static u8 check_reset_cnt;
94a79942 1388 unsigned long flags;
1344ee25
LF		 1389 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1390 (&(priv->rtllib->PowerSaveControl));
94a79942
LF		 1391 bool bBusyTraffic = false;
1392 bool bHigherBusyTraffic = false;
1393 bool bHigherBusyRxTraffic = false;
1394 bool bEnterPS = false;
1395
5dc42962 1396 if (!priv->up || priv->bHwRadioOff)
94a79942
LF		 1397 return;
1398
1399 if (priv->rtllib->state >= RTLLIB_LINKED) {
1344ee25 1400 if (priv->rtllib->CntAfterLink < 2)
94a79942
LF		 1401 priv->rtllib->CntAfterLink++;
1402 } else {
1403 priv->rtllib->CntAfterLink = 0;
1404 }
1405
8e1e64bb 1406 rtl92e_dm_watchdog(dev);
94a79942 1407
1344ee25
LF		 1408 if (rtllib_act_scanning(priv->rtllib, false) == false) {
1409 if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state ==
1410 RTLLIB_NOLINK) &&
1411 (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key &&
1412 (!ieee->proto_stoppping) && !ieee->wx_set_enc) {
1413 if ((ieee->PowerSaveControl.ReturnPoint ==
1414 IPS_CALLBACK_NONE) &&
1415 (!ieee->bNetPromiscuousMode)) {
0822339b 1416 RT_TRACE(COMP_PS,
410d6fc9
MK		 1417 "====================>haha: rtl92e_ips_enter()\n");
1418 rtl92e_ips_enter(dev);
94a79942
LF		 1419 }
1420 }
1421 }
1344ee25
LF		 1422 if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode ==
1423 IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode)) {
1424 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 100 ||
1425 ieee->LinkDetectInfo.NumTxOkInPeriod > 100)
1426 bBusyTraffic = true;
94a79942
LF		 1427
1428
1344ee25
LF		 1429 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
1430 ieee->LinkDetectInfo.NumTxOkInPeriod > 4000) {
1431 bHigherBusyTraffic = true;
1432 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000)
1433 bHigherBusyRxTraffic = true;
94a79942 1434 else
1344ee25
LF		 1435 bHigherBusyRxTraffic = false;
1436 }
94a79942 1437
1344ee25
LF		 1438 if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +
1439 ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
1440 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
1441 bEnterPS = false;
1442 else
1443 bEnterPS = true;
94a79942 1444
1344ee25
LF		 1445 if (ieee->current_network.beacon_interval < 95)
1446 bEnterPS = false;
94a79942 1447
1344ee25 1448 if (bEnterPS)
04197ef2 1449 rtl92e_leisure_ps_enter(dev);
1344ee25 1450 else
9c4a55d1 1451 rtl92e_leisure_ps_leave(dev);
94a79942 1452
1344ee25
LF		 1453 } else {
1454 RT_TRACE(COMP_LPS, "====>no link LPS leave\n");
9c4a55d1 1455 rtl92e_leisure_ps_leave(dev);
1344ee25 1456 }
94a79942 1457
1344ee25
LF		 1458 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
1459 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
1460 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
1461 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
94a79942 1462
1344ee25
LF		 1463 ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
1464 ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
94a79942 1465
1344ee25
LF		 1466 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
1467 u32 TotalRxBcnNum = 0;
1468 u32 TotalRxDataNum = 0;
94a79942 1469
c3b48165 1470 _rtl92e_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
94a79942 1471
1344ee25
LF		 1472 if ((TotalRxBcnNum+TotalRxDataNum) == 0)
1473 priv->check_roaming_cnt++;
1474 else
1475 priv->check_roaming_cnt = 0;
94a79942
LF		 1476
1477
1344ee25
LF		 1478 if (priv->check_roaming_cnt > 0) {
1479 if (ieee->eRFPowerState == eRfOff)
3b4140af 1480 netdev_info(dev, "%s(): RF is off\n", __func__);
94a79942 1481
d69d2054
MK		 1482 netdev_info(dev,
1483 "===>%s(): AP is power off, chan:%d, connect another one\n",
1484 __func__, priv->chan);
94a79942 1485
1344ee25 1486 ieee->state = RTLLIB_ASSOCIATING;
94a79942 1487
1344ee25
LF		 1488 RemovePeerTS(priv->rtllib,
1489 priv->rtllib->current_network.bssid);
1490 ieee->is_roaming = true;
1491 ieee->is_set_key = false;
1492 ieee->link_change(dev);
1493 if (ieee->LedControlHandler)
1494 ieee->LedControlHandler(ieee->dev,
1495 LED_CTL_START_TO_LINK);
94a79942 1496
1344ee25 1497 notify_wx_assoc_event(ieee);
94a79942 1498
1344ee25
LF		 1499 if (!(ieee->rtllib_ap_sec_type(ieee) &
1500 (SEC_ALG_CCMP|SEC_ALG_TKIP)))
354605f4 1501 schedule_delayed_work(
1344ee25 1502 &ieee->associate_procedure_wq, 0);
94a79942 1503
1344ee25 1504 priv->check_roaming_cnt = 0;
94a79942 1505 }
1344ee25
LF		 1506 ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0;
1507 ieee->LinkDetectInfo.NumRecvDataInPeriod = 0;
94a79942
LF		 1508
1509 }
1510
1344ee25 1511 spin_lock_irqsave(&priv->tx_lock, flags);
94a79942 1512 if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) &&
1344ee25 1513 (!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing)) {
79fbe932 1514 ResetType = _rtl92e_if_check_reset(dev);
94a79942
LF		 1515 check_reset_cnt = 3;
1516 }
1344ee25 1517 spin_unlock_irqrestore(&priv->tx_lock, flags);
94a79942 1518
1344ee25 1519 if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL) {
94a79942 1520 priv->ResetProgress = RESET_TYPE_NORMAL;
1344ee25 1521 RT_TRACE(COMP_RESET, "%s(): NOMAL RESET\n", __func__);
94a79942
LF		 1522 return;
1523 }
1524
1344ee25
LF		 1525 if (((priv->force_reset) || (!priv->bDisableNormalResetCheck &&
1526 ResetType == RESET_TYPE_SILENT)))
5e177a9f 1527 _rtl92e_if_silent_reset(dev);
94a79942
LF		 1528 priv->force_reset = false;
1529 priv->bForcedSilentReset = false;
1530 priv->bResetInProgress = false;
1531 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
1532}
1533
2cfc3758 1534static void _rtl92e_watchdog_timer_cb(unsigned long data)
94a79942 1535{
1344ee25 1536 struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
3a6b70c3 1537
ecfdd3a0 1538 schedule_delayed_work(&priv->watch_dog_wq, 0);
1344ee25 1539 mod_timer(&priv->watch_dog_timer, jiffies +
8b9733c1 1540 msecs_to_jiffies(RTLLIB_WATCH_DOG_TIME));
94a79942
LF		 1541}
1542
1543/****************************************************************************
1544 ---------------------------- NIC TX/RX STUFF---------------------------
1545*****************************************************************************/
630268b7 1546void rtl92e_rx_enable(struct net_device *dev)
94a79942 1547{
a4eed41f 1548 struct r8192_priv *priv = rtllib_priv(dev);
3a6b70c3 1549
94a79942
LF		 1550 priv->ops->rx_enable(dev);
1551}
1552
94199b35 1553void rtl92e_tx_enable(struct net_device *dev)
94a79942 1554{
a4eed41f 1555 struct r8192_priv *priv = rtllib_priv(dev);
94a79942
LF		 1556
1557 priv->ops->tx_enable(dev);
1558
1344ee25 1559 rtllib_reset_queue(priv->rtllib);
94a79942
LF		 1560}
1561
1562
694f9d30 1563static void _rtl92e_free_rx_ring(struct net_device *dev)
94a79942 1564{
1344ee25
LF		 1565 struct r8192_priv *priv = rtllib_priv(dev);
1566 int i, rx_queue_idx;
94a79942 1567
1344ee25
LF		 1568 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE;
1569 rx_queue_idx++) {
1570 for (i = 0; i < priv->rxringcount; i++) {
94a79942 1571 struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i];
3a6b70c3 1572
1344ee25
LF		 1573 if (!skb)
1574 continue;
94a79942 1575
1344ee25
LF		 1576 pci_unmap_single(priv->pdev,
1577 *((dma_addr_t *)skb->cb),
1578 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1579 kfree_skb(skb);
1580 }
94a79942 1581
1344ee25
LF		 1582 pci_free_consistent(priv->pdev,
1583 sizeof(*priv->rx_ring[rx_queue_idx]) *
1584 priv->rxringcount,
1585 priv->rx_ring[rx_queue_idx],
1586 priv->rx_ring_dma[rx_queue_idx]);
94a79942
LF		 1587 priv->rx_ring[rx_queue_idx] = NULL;
1588 }
1589}
1590
ebc36ecd 1591static void _rtl92e_free_tx_ring(struct net_device *dev, unsigned int prio)
94a79942 1592{
1344ee25
LF		 1593 struct r8192_priv *priv = rtllib_priv(dev);
1594 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
94a79942 1595
1344ee25
LF		 1596 while (skb_queue_len(&ring->queue)) {
1597 struct tx_desc *entry = &ring->desc[ring->idx];
1598 struct sk_buff *skb = __skb_dequeue(&ring->queue);
94a79942 1599
466bc7f2 1600 pci_unmap_single(priv->pdev, entry->TxBuffAddr,
1344ee25
LF		 1601 skb->len, PCI_DMA_TODEVICE);
1602 kfree_skb(skb);
1603 ring->idx = (ring->idx + 1) % ring->entries;
1604 }
94a79942 1605
1344ee25
LF		 1606 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
1607 ring->desc, ring->dma);
1608 ring->desc = NULL;
94a79942
LF		 1609}
1610
52a74045
MK		 1611static void _rtl92e_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1612 int rate)
94a79942 1613{
a4eed41f 1614 struct r8192_priv *priv = rtllib_priv(dev);
94a79942 1615 int ret;
1344ee25
LF		 1616 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1617 MAX_DEV_ADDR_SIZE);
94a79942
LF		 1618 u8 queue_index = tcb_desc->queue_index;
1619
5dc42962 1620 if ((priv->rtllib->eRFPowerState == eRfOff) || !priv->up ||
1344ee25 1621 priv->bResetInProgress) {
94a79942
LF		 1622 kfree_skb(skb);
1623 return;
1624 }
1625
435009bb
MK		 1626 if (queue_index == TXCMD_QUEUE)
1627 netdev_warn(dev, "%s(): queue index == TXCMD_QUEUE\n",
ca93dcba 1628 __func__);
94a79942 1629
1344ee25 1630 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
94a79942 1631 skb_push(skb, priv->rtllib->tx_headroom);
374a3c5a 1632 ret = _rtl92e_tx(dev, skb);
a22526e4 1633 if (ret != 0)
94a79942 1634 kfree_skb(skb);
94a79942 1635
1344ee25
LF		 1636 if (queue_index != MGNT_QUEUE) {
1637 priv->rtllib->stats.tx_bytes += (skb->len -
1638 priv->rtllib->tx_headroom);
94a79942
LF		 1639 priv->rtllib->stats.tx_packets++;
1640 }
94a79942
LF		 1641}
1642
3e49f3ec 1643static int _rtl92e_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
94a79942 1644{
a4eed41f 1645 struct r8192_priv *priv = rtllib_priv(dev);
94a79942 1646 int ret;
1344ee25
LF		 1647 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1648 MAX_DEV_ADDR_SIZE);
94a79942
LF		 1649 u8 queue_index = tcb_desc->queue_index;
1650
1344ee25
LF		 1651 if (queue_index != TXCMD_QUEUE) {
1652 if ((priv->rtllib->eRFPowerState == eRfOff) ||
5dc42962 1653 !priv->up || priv->bResetInProgress) {
94a79942
LF		 1654 kfree_skb(skb);
1655 return 0;
1656 }
1657 }
1658
1344ee25 1659 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
94a79942 1660 if (queue_index == TXCMD_QUEUE) {
98208f96 1661 _rtl92e_tx_cmd(dev, skb);
26e2fa76 1662 return 0;
94a79942
LF		 1663 }
1664
285b7c00
MK		 1665 tcb_desc->RATRIndex = 7;
1666 tcb_desc->bTxDisableRateFallBack = 1;
1667 tcb_desc->bTxUseDriverAssingedRate = 1;
1668 tcb_desc->bTxEnableFwCalcDur = 1;
1669 skb_push(skb, priv->rtllib->tx_headroom);
374a3c5a 1670 ret = _rtl92e_tx(dev, skb);
285b7c00
MK		 1671 if (ret != 0)
1672 kfree_skb(skb);
94a79942 1673 return ret;
94a79942
LF		 1674}
1675
7effc87b 1676static void _rtl92e_tx_isr(struct net_device *dev, int prio)
94a79942 1677{
a4eed41f 1678 struct r8192_priv *priv = rtllib_priv(dev);
94a79942 1679
1344ee25 1680 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
94a79942 1681
1344ee25
LF		 1682 while (skb_queue_len(&ring->queue)) {
1683 struct tx_desc *entry = &ring->desc[ring->idx];
1684 struct sk_buff *skb;
94a79942 1685
1344ee25
LF		 1686 if (prio != BEACON_QUEUE) {
1687 if (entry->OWN)
1688 return;
1689 ring->idx = (ring->idx + 1) % ring->entries;
1690 }
94a79942 1691
1344ee25 1692 skb = __skb_dequeue(&ring->queue);
466bc7f2 1693 pci_unmap_single(priv->pdev, entry->TxBuffAddr,
1344ee25 1694 skb->len, PCI_DMA_TODEVICE);
94a79942 1695
1344ee25
LF		 1696 kfree_skb(skb);
1697 }
1698 if (prio != BEACON_QUEUE)
1699 tasklet_schedule(&priv->irq_tx_tasklet);
94a79942
LF		 1700}
1701
98208f96 1702static void _rtl92e_tx_cmd(struct net_device *dev, struct sk_buff *skb)
94a79942 1703{
1344ee25
LF		 1704 struct r8192_priv *priv = rtllib_priv(dev);
1705 struct rtl8192_tx_ring *ring;
1706 struct tx_desc_cmd *entry;
1707 unsigned int idx;
1708 struct cb_desc *tcb_desc;
1709 unsigned long flags;
94a79942 1710
1344ee25
LF		 1711 spin_lock_irqsave(&priv->irq_th_lock, flags);
1712 ring = &priv->tx_ring[TXCMD_QUEUE];
94a79942 1713
1344ee25
LF		 1714 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1715 entry = (struct tx_desc_cmd *) &ring->desc[idx];
94a79942 1716
1344ee25 1717 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
94a79942 1718
1344ee25 1719 priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb);
94a79942 1720
1344ee25
LF		 1721 __skb_queue_tail(&ring->queue, skb);
1722 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
94a79942
LF		 1723}
1724
374a3c5a 1725static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
94a79942
LF		 1726{
1727 struct r8192_priv *priv = rtllib_priv(dev);
1728 struct rtl8192_tx_ring *ring;
1729 unsigned long flags;
1344ee25
LF		 1730 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1731 MAX_DEV_ADDR_SIZE);
bc27e89b 1732 struct tx_desc *pdesc = NULL;
1344ee25
LF		 1733 struct rtllib_hdr_1addr *header = NULL;
1734 u16 fc = 0, type = 0, stype = 0;
1735 bool multi_addr = false, broad_addr = false, uni_addr = false;
1736 u8 *pda_addr = NULL;
94a79942
LF		 1737 int idx;
1738 u32 fwinfo_size = 0;
1739
1344ee25 1740 if (priv->bdisable_nic) {
3b4140af
MK		 1741 netdev_warn(dev, "%s: Nic is disabled! Can't tx packet.\n",
1742 __func__);
1344ee25 1743 return skb->len;
94a79942
LF		 1744 }
1745
1746 priv->rtllib->bAwakePktSent = true;
1747
a07dc3d1 1748 fwinfo_size = sizeof(struct tx_fwinfo_8190pci);
94a79942 1749
1344ee25 1750 header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
34e987e6 1751 fc = le16_to_cpu(header->frame_ctl);
94a79942
LF		 1752 type = WLAN_FC_GET_TYPE(fc);
1753 stype = WLAN_FC_GET_STYPE(fc);
1754 pda_addr = header->addr1;
1755
14fc4235 1756 if (is_broadcast_ether_addr(pda_addr))
94a79942 1757 broad_addr = true;
14fc4235
JP		 1758 else if (is_multicast_ether_addr(pda_addr))
1759 multi_addr = true;
1344ee25 1760 else
94a79942 1761 uni_addr = true;
94a79942
LF		 1762
1763 if (uni_addr)
1764 priv->stats.txbytesunicast += skb->len - fwinfo_size;
1765 else if (multi_addr)
1766 priv->stats.txbytesmulticast += skb->len - fwinfo_size;
1767 else
1768 priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
1769
1344ee25 1770 spin_lock_irqsave(&priv->irq_th_lock, flags);
94a79942 1771 ring = &priv->tx_ring[tcb_desc->queue_index];
1344ee25 1772 if (tcb_desc->queue_index != BEACON_QUEUE)
94a79942 1773 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1344ee25 1774 else
94a79942 1775 idx = 0;
94a79942
LF		 1776
1777 pdesc = &ring->desc[idx];
1778 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
3b4140af
MK		 1779 netdev_warn(dev,
1780 "No more TX desc@%d, ring->idx = %d, idx = %d, skblen = 0x%x queuelen=%d",
1781 tcb_desc->queue_index, ring->idx, idx, skb->len,
1782 skb_queue_len(&ring->queue));
1344ee25 1783 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
94a79942
LF		 1784 return skb->len;
1785 }
1786
1344ee25 1787 if (type == RTLLIB_FTYPE_DATA) {
94a79942
LF		 1788 if (priv->rtllib->LedControlHandler)
1789 priv->rtllib->LedControlHandler(dev, LED_CTL_TX);
1790 }
1791 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb);
1792 __skb_queue_tail(&ring->queue, skb);
1793 pdesc->OWN = 1;
1344ee25 1794 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
860e9538 1795 netif_trans_update(dev);
94a79942 1796
6dee0c88 1797 rtl92e_writew(dev, TPPoll, 0x01 << tcb_desc->queue_index);
94a79942
LF		 1798 return 0;
1799}
1800
9d148965 1801static short _rtl92e_alloc_rx_ring(struct net_device *dev)
94a79942
LF		 1802{
1803 struct r8192_priv *priv = rtllib_priv(dev);
4f534b36 1804 struct rx_desc *entry = NULL;
94a79942
LF		 1805 int i, rx_queue_idx;
1806
1344ee25 1807 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
35e33b04 1808 priv->rx_ring[rx_queue_idx] = pci_zalloc_consistent(priv->pdev,
8b983be5
JP		 1809 sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount,
1810 &priv->rx_ring_dma[rx_queue_idx]);
1344ee25
LF		 1811 if (!priv->rx_ring[rx_queue_idx] ||
1812 (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
3b4140af 1813 netdev_warn(dev, "Cannot allocate RX ring\n");
94a79942
LF		 1814 return -ENOMEM;
1815 }
1816
94a79942
LF		 1817 priv->rx_idx[rx_queue_idx] = 0;
1818
1819 for (i = 0; i < priv->rxringcount; i++) {
1820 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1821 dma_addr_t *mapping;
3a6b70c3 1822
94a79942
LF		 1823 entry = &priv->rx_ring[rx_queue_idx][i];
1824 if (!skb)
1825 return 0;
1826 skb->dev = dev;
1827 priv->rx_buf[rx_queue_idx][i] = skb;
1828 mapping = (dma_addr_t *)skb->cb;
1344ee25
LF		 1829 *mapping = pci_map_single(priv->pdev,
1830 skb_tail_pointer_rsl(skb),
1831 priv->rxbuffersize,
1832 PCI_DMA_FROMDEVICE);
2dcb4a29
LF		 1833 if (pci_dma_mapping_error(priv->pdev, *mapping)) {
1834 dev_kfree_skb_any(skb);
1835 return -1;
1836 }
34e987e6 1837 entry->BufferAddress = *mapping;
94a79942
LF		 1838
1839 entry->Length = priv->rxbuffersize;
1840 entry->OWN = 1;
1841 }
1842
f6692285 1843 if (entry)
35f8673d 1844 entry->EOR = 1;
94a79942
LF		 1845 }
1846 return 0;
1847}
1848
bf1ddf24
MK		 1849static int _rtl92e_alloc_tx_ring(struct net_device *dev, unsigned int prio,
1850 unsigned int entries)
94a79942 1851{
a4eed41f 1852 struct r8192_priv *priv = rtllib_priv(dev);
1344ee25
LF		 1853 struct tx_desc *ring;
1854 dma_addr_t dma;
1855 int i;
94a79942 1856
8b983be5 1857 ring = pci_zalloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1344ee25 1858 if (!ring || (unsigned long)ring & 0xFF) {
3b4140af 1859 netdev_warn(dev, "Cannot allocate TX ring (prio = %d)\n", prio);
1344ee25
LF		 1860 return -ENOMEM;
1861 }
94a79942 1862
1344ee25
LF		 1863 priv->tx_ring[prio].desc = ring;
1864 priv->tx_ring[prio].dma = dma;
1865 priv->tx_ring[prio].idx = 0;
1866 priv->tx_ring[prio].entries = entries;
1867 skb_queue_head_init(&priv->tx_ring[prio].queue);
94a79942 1868
1344ee25
LF		 1869 for (i = 0; i < entries; i++)
1870 ring[i].NextDescAddress =
34e987e6
RK		 1871 (u32)dma + ((i + 1) % entries) *
1872 sizeof(*ring);
94a79942 1873
1344ee25 1874 return 0;
94a79942
LF		 1875}
1876
197917a8 1877static short _rtl92e_pci_initdescring(struct net_device *dev)
94a79942 1878{
1344ee25
LF		 1879 u32 ret;
1880 int i;
1881 struct r8192_priv *priv = rtllib_priv(dev);
94a79942 1882
9d148965 1883 ret = _rtl92e_alloc_rx_ring(dev);
1344ee25
LF		 1884 if (ret)
1885 return ret;
94a79942 1886
1344ee25 1887 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
bf1ddf24 1888 ret = _rtl92e_alloc_tx_ring(dev, i, priv->txringcount);
1344ee25
LF		 1889 if (ret)
1890 goto err_free_rings;
1891 }
94a79942 1892
1344ee25 1893 return 0;
94a79942
LF		 1894
1895err_free_rings:
694f9d30 1896 _rtl92e_free_rx_ring(dev);
1344ee25
LF		 1897 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1898 if (priv->tx_ring[i].desc)
ebc36ecd 1899 _rtl92e_free_tx_ring(dev, i);
1344ee25 1900 return 1;
94a79942
LF		 1901}
1902
36154dc3 1903void rtl92e_reset_desc_ring(struct net_device *dev)
94a79942 1904{
1344ee25
LF		 1905 struct r8192_priv *priv = rtllib_priv(dev);
1906 int i, rx_queue_idx;
1907 unsigned long flags = 0;
94a79942 1908
1344ee25 1909 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
94a79942 1910 if (priv->rx_ring[rx_queue_idx]) {
4f534b36 1911 struct rx_desc *entry = NULL;
3a6b70c3 1912
94a79942
LF		 1913 for (i = 0; i < priv->rxringcount; i++) {
1914 entry = &priv->rx_ring[rx_queue_idx][i];
1915 entry->OWN = 1;
1916 }
1917 priv->rx_idx[rx_queue_idx] = 0;
1918 }
1919 }
1920
1344ee25
LF		 1921 spin_lock_irqsave(&priv->irq_th_lock, flags);
1922 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1923 if (priv->tx_ring[i].desc) {
1924 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
94a79942 1925
1344ee25
LF		 1926 while (skb_queue_len(&ring->queue)) {
1927 struct tx_desc *entry = &ring->desc[ring->idx];
1928 struct sk_buff *skb =
1929 __skb_dequeue(&ring->queue);
94a79942 1930
1344ee25 1931 pci_unmap_single(priv->pdev,
466bc7f2 1932 entry->TxBuffAddr,
1344ee25
LF		 1933 skb->len, PCI_DMA_TODEVICE);
1934 kfree_skb(skb);
1935 ring->idx = (ring->idx + 1) % ring->entries;
1936 }
1937 ring->idx = 0;
1938 }
1939 }
1940 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
94a79942
LF		 1941}
1942
7879efc5
MK		 1943void rtl92e_update_rx_pkt_timestamp(struct net_device *dev,
1944 struct rtllib_rx_stats *stats)
94a79942 1945{
a4eed41f 1946 struct r8192_priv *priv = rtllib_priv(dev);
94a79942 1947
0dd56506
LF		 1948 if (stats->bIsAMPDU && !stats->bFirstMPDU)
1949 stats->mac_time = priv->LastRxDescTSF;
1950 else
1951 priv->LastRxDescTSF = stats->mac_time;
94a79942
LF		 1952}
1953
f54f10bf 1954long rtl92e_translate_to_dbm(struct r8192_priv *priv, u8 signal_strength_index)
94a79942
LF		 1955{
1956 long signal_power;
1957
1958 signal_power = (long)((signal_strength_index + 1) >> 1);
1959 signal_power -= 95;
1960
1961 return signal_power;
1962}
1963
1964
97ef450b
MK		 1965void rtl92e_update_rx_statistics(struct r8192_priv *priv,
1966 struct rtllib_rx_stats *pprevious_stats)
94a79942
LF		 1967{
1968 int weighting = 0;
1969
1970
1971 if (priv->stats.recv_signal_power == 0)
1344ee25
LF		 1972 priv->stats.recv_signal_power =
1973 pprevious_stats->RecvSignalPower;
94a79942
LF		 1974
1975 if (pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
1976 weighting = 5;
1344ee25
LF		 1977 else if (pprevious_stats->RecvSignalPower <
1978 priv->stats.recv_signal_power)
94a79942 1979 weighting = (-5);
1344ee25
LF		 1980 priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 +
1981 pprevious_stats->RecvSignalPower +
1982 weighting) / 6;
94a79942
LF		 1983}
1984
5d5fd353 1985u8 rtl92e_rx_db_to_percent(s8 antpower)
94a79942
LF		 1986{
1987 if ((antpower <= -100) || (antpower >= 20))
94a79942 1988 return 0;
94a79942 1989 else if (antpower >= 0)
94a79942 1990 return 100;
94a79942 1991 else
1344ee25 1992 return 100 + antpower;
94a79942
LF		 1993
1994} /* QueryRxPwrPercentage */
1995
5d5fd353 1996u8 rtl92e_evm_db_to_percent(s8 value)
94a79942 1997{
5d5fd353 1998 s8 ret_val;
94a79942
LF		 1999
2000 ret_val = value;
2001
2002 if (ret_val >= 0)
2003 ret_val = 0;
2004 if (ret_val <= -33)
2005 ret_val = -33;
2006 ret_val = 0 - ret_val;
1344ee25 2007 ret_val *= 3;
94a79942
LF		 2008 if (ret_val == 99)
2009 ret_val = 100;
1344ee25 2010 return ret_val;
94a79942
LF		 2011}
2012
e58701da
MK		 2013void rtl92e_copy_mpdu_stats(struct rtllib_rx_stats *psrc_stats,
2014 struct rtllib_rx_stats *ptarget_stats)
94a79942
LF		 2015{
2016 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
2017 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
2018}
2019
2020
2021
0ba8f7c0 2022static void _rtl92e_rx_normal(struct net_device *dev)
94a79942 2023{
a4eed41f 2024 struct r8192_priv *priv = rtllib_priv(dev);
94a79942
LF		 2025 struct rtllib_hdr_1addr *rtllib_hdr = NULL;
2026 bool unicast_packet = false;
1344ee25
LF		 2027 bool bLedBlinking = true;
2028 u16 fc = 0, type = 0;
94a79942
LF		 2029 u32 skb_len = 0;
2030 int rx_queue_idx = RX_MPDU_QUEUE;
2031
2032 struct rtllib_rx_stats stats = {
2033 .signal = 0,
94e057d7 2034 .noise = (u8) -98,
94a79942
LF		 2035 .rate = 0,
2036 .freq = RTLLIB_24GHZ_BAND,
2037 };
2038 unsigned int count = priv->rxringcount;
2039
2040 stats.nic_type = NIC_8192E;
2041
2042 while (count--) {
1344ee25
LF		 2043 struct rx_desc *pdesc = &priv->rx_ring[rx_queue_idx]
2044 [priv->rx_idx[rx_queue_idx]];
2045 struct sk_buff *skb = priv->rx_buf[rx_queue_idx]
2046 [priv->rx_idx[rx_queue_idx]];
285b7c00 2047 struct sk_buff *new_skb;
94a79942 2048
285b7c00 2049 if (pdesc->OWN)
94a79942 2050 return;
285b7c00
MK		 2051 if (!priv->ops->rx_query_status_descriptor(dev, &stats,
2052 pdesc, skb))
2053 goto done;
2054 new_skb = dev_alloc_skb(priv->rxbuffersize);
2055 /* if allocation of new skb failed - drop current packet
14b40d92
MK		 2056 * and reuse skb
2057 */
285b7c00
MK		 2058 if (unlikely(!new_skb))
2059 goto done;
2060
2061 pci_unmap_single(priv->pdev,
2062 *((dma_addr_t *)skb->cb),
2063 priv->rxbuffersize,
2064 PCI_DMA_FROMDEVICE);
2065
2066 skb_put(skb, pdesc->Length);
2067 skb_reserve(skb, stats.RxDrvInfoSize +
2068 stats.RxBufShift);
2069 skb_trim(skb, skb->len - 4/*sCrcLng*/);
2070 rtllib_hdr = (struct rtllib_hdr_1addr *)skb->data;
2071 if (!is_multicast_ether_addr(rtllib_hdr->addr1)) {
2072 /* unicast packet */
2073 unicast_packet = true;
2074 }
2075 fc = le16_to_cpu(rtllib_hdr->frame_ctl);
2076 type = WLAN_FC_GET_TYPE(fc);
2077 if (type == RTLLIB_FTYPE_MGMT)
2078 bLedBlinking = false;
2079
2080 if (bLedBlinking)
2081 if (priv->rtllib->LedControlHandler)
2082 priv->rtllib->LedControlHandler(dev,
2083 LED_CTL_RX);
2084
2085 if (stats.bCRC) {
2086 if (type != RTLLIB_FTYPE_MGMT)
2087 priv->stats.rxdatacrcerr++;
2088 else
2089 priv->stats.rxmgmtcrcerr++;
2090 }
94a79942 2091
285b7c00 2092 skb_len = skb->len;
4f6807e8 2093
285b7c00
MK		 2094 if (!rtllib_rx(priv->rtllib, skb, &stats)) {
2095 dev_kfree_skb_any(skb);
2096 } else {
2097 priv->stats.rxok++;
2098 if (unicast_packet)
2099 priv->stats.rxbytesunicast += skb_len;
2100 }
4f6807e8 2101
285b7c00
MK		 2102 skb = new_skb;
2103 skb->dev = dev;
2104
2105 priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] =
2106 skb;
2107 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev,
2108 skb_tail_pointer_rsl(skb),
2109 priv->rxbuffersize,
2110 PCI_DMA_FROMDEVICE);
2111 if (pci_dma_mapping_error(priv->pdev,
2112 *((dma_addr_t *)skb->cb))) {
2113 dev_kfree_skb_any(skb);
2114 return;
94a79942
LF		 2115 }
2116done:
34e987e6 2117 pdesc->BufferAddress = *((dma_addr_t *)skb->cb);
94a79942
LF		 2118 pdesc->OWN = 1;
2119 pdesc->Length = priv->rxbuffersize;
2120 if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1)
2121 pdesc->EOR = 1;
1344ee25
LF		 2122 priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) %
2123 priv->rxringcount;
94a79942
LF		 2124 }
2125
2126}
2127
a67c7904 2128static void _rtl92e_tx_resume(struct net_device *dev)
94a79942 2129{
a4eed41f 2130 struct r8192_priv *priv = rtllib_priv(dev);
94a79942
LF		 2131 struct rtllib_device *ieee = priv->rtllib;
2132 struct sk_buff *skb;
2133 int queue_index;
2134
1344ee25
LF		 2135 for (queue_index = BK_QUEUE;
2136 queue_index < MAX_QUEUE_SIZE; queue_index++) {
2137 while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index])) &&
2138 (priv->rtllib->check_nic_enough_desc(dev, queue_index) > 0)) {
94a79942 2139 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
1344ee25 2140 ieee->softmac_data_hard_start_xmit(skb, dev, 0);
94a79942
LF		 2141 }
2142 }
2143}
2144
a2743b2c 2145static void _rtl92e_irq_tx_tasklet(struct r8192_priv *priv)
94a79942 2146{
a67c7904 2147 _rtl92e_tx_resume(priv->rtllib->dev);
94a79942
LF		 2148}
2149
2940405b 2150static void _rtl92e_irq_rx_tasklet(struct r8192_priv *priv)
94a79942 2151{
0ba8f7c0 2152 _rtl92e_rx_normal(priv->rtllib->dev);
94a79942 2153
8ea54100
MK		 2154 rtl92e_writel(priv->rtllib->dev, INTA_MASK,
2155 rtl92e_readl(priv->rtllib->dev, INTA_MASK) | IMR_RDU);
94a79942
LF		 2156}
2157
2158/****************************************************************************
2159 ---------------------------- NIC START/CLOSE STUFF---------------------------
2160*****************************************************************************/
4dba03a2 2161static void _rtl92e_cancel_deferred_work(struct r8192_priv *priv)
94a79942 2162{
ecfdd3a0
AKC		 2163 cancel_delayed_work_sync(&priv->watch_dog_wq);
2164 cancel_delayed_work_sync(&priv->update_beacon_wq);
94a79942 2165 cancel_delayed_work(&priv->rtllib->hw_sleep_wq);
94a79942
LF		 2166 cancel_work_sync(&priv->reset_wq);
2167 cancel_work_sync(&priv->qos_activate);
94a79942
LF		 2168}
2169
81524bbc 2170static int _rtl92e_up(struct net_device *dev, bool is_silent_reset)
94a79942 2171{
dba0e06f 2172 if (_rtl92e_sta_up(dev, is_silent_reset) == -1)
94a79942
LF		 2173 return -1;
2174 return 0;
2175}
2176
27d673b0 2177static int _rtl92e_open(struct net_device *dev)
94a79942
LF		 2178{
2179 struct r8192_priv *priv = rtllib_priv(dev);
2180 int ret;
2181
3044975f 2182 mutex_lock(&priv->wx_mutex);
b1665a67 2183 ret = _rtl92e_try_up(dev);
3044975f 2184 mutex_unlock(&priv->wx_mutex);
94a79942
LF		 2185 return ret;
2186
2187}
2188
b1665a67 2189static int _rtl92e_try_up(struct net_device *dev)
94a79942
LF		 2190{
2191 struct r8192_priv *priv = rtllib_priv(dev);
2192
1344ee25
LF		 2193 if (priv->up == 1)
2194 return -1;
81524bbc 2195 return _rtl92e_up(dev, false);
94a79942
LF		 2196}
2197
2198
27cbba60 2199static int _rtl92e_close(struct net_device *dev)
94a79942
LF		 2200{
2201 struct r8192_priv *priv = rtllib_priv(dev);
2202 int ret;
2203
2204 if ((rtllib_act_scanning(priv->rtllib, false)) &&
1344ee25 2205 !(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)) {
94a79942
LF		 2206 rtllib_stop_scan(priv->rtllib);
2207 }
2208
3044975f 2209 mutex_lock(&priv->wx_mutex);
94a79942 2210
33bec9bd 2211 ret = _rtl92e_down(dev, true);
94a79942 2212
3044975f 2213 mutex_unlock(&priv->wx_mutex);
94a79942
LF		 2214
2215 return ret;
2216
2217}
2218
33bec9bd 2219static int _rtl92e_down(struct net_device *dev, bool shutdownrf)
94a79942 2220{
2b19e222 2221 if (_rtl92e_sta_down(dev, shutdownrf) == -1)
94a79942
LF		 2222 return -1;
2223
94a79942
LF		 2224 return 0;
2225}
2226
bc4f2cc9 2227void rtl92e_commit(struct net_device *dev)
94a79942
LF		 2228{
2229 struct r8192_priv *priv = rtllib_priv(dev);
2230
1344ee25
LF		 2231 if (priv->up == 0)
2232 return;
f6692285 2233 rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
b7b50d65 2234 rtl92e_irq_disable(dev);
94a79942 2235 priv->ops->stop_adapter(dev, true);
81524bbc 2236 _rtl92e_up(dev, false);
94a79942
LF		 2237}
2238
78e67df3 2239static void _rtl92e_restart(void *data)
94a79942 2240{
1344ee25
LF		 2241 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
2242 reset_wq);
94a79942 2243 struct net_device *dev = priv->rtllib->dev;
94a79942 2244
3044975f 2245 mutex_lock(&priv->wx_mutex);
94a79942 2246
bc4f2cc9 2247 rtl92e_commit(dev);
94a79942 2248
3044975f 2249 mutex_unlock(&priv->wx_mutex);
94a79942
LF		 2250}
2251
2002978d 2252static void _rtl92e_set_multicast(struct net_device *dev)
94a79942
LF		 2253{
2254 struct r8192_priv *priv = rtllib_priv(dev);
2255 short promisc;
2256
1344ee25 2257 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
94a79942
LF		 2258 priv->promisc = promisc;
2259
2260}
2261
2262
3ef7f1ee 2263static int _rtl92e_set_mac_adr(struct net_device *dev, void *mac)
94a79942
LF		 2264{
2265 struct r8192_priv *priv = rtllib_priv(dev);
2266 struct sockaddr *addr = mac;
2267
3044975f 2268 mutex_lock(&priv->wx_mutex);
94a79942 2269
1f3aefb5 2270 ether_addr_copy(dev->dev_addr, addr->sa_data);
94a79942 2271
94a79942 2272 schedule_work(&priv->reset_wq);
3044975f 2273 mutex_unlock(&priv->wx_mutex);
94a79942
LF		 2274
2275 return 0;
2276}
2277
2278/* based on ipw2200 driver */
09c26de7 2279static int _rtl92e_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
94a79942 2280{
a4eed41f 2281 struct r8192_priv *priv = rtllib_priv(dev);
94a79942 2282 struct iwreq *wrq = (struct iwreq *)rq;
1344ee25 2283 int ret = -1;
94a79942
LF		 2284 struct rtllib_device *ieee = priv->rtllib;
2285 u32 key[4];
06c11107 2286 const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
94a79942 2287 struct iw_point *p = &wrq->u.data;
1344ee25 2288 struct ieee_param *ipw = NULL;
94a79942 2289
3044975f 2290 mutex_lock(&priv->wx_mutex);
94a79942
LF		 2291
2292 switch (cmd) {
1344ee25
LF		 2293 case RTL_IOCTL_WPA_SUPPLICANT:
2294 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
2295 ret = -EINVAL;
2296 goto out;
2297 }
94a79942 2298
21624981
TB		 2299 ipw = memdup_user(p->pointer, p->length);
2300 if (IS_ERR(ipw)) {
2301 ret = PTR_ERR(ipw);
1344ee25
LF		 2302 goto out;
2303 }
94a79942 2304
1344ee25
LF		 2305 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
2306 if (ipw->u.crypt.set_tx) {
2307 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2308 ieee->pairwise_key_type = KEY_TYPE_CCMP;
2309 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2310 ieee->pairwise_key_type = KEY_TYPE_TKIP;
2311 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2312 if (ipw->u.crypt.key_len == 13)
2313 ieee->pairwise_key_type =
2314 KEY_TYPE_WEP104;
2315 else if (ipw->u.crypt.key_len == 5)
2316 ieee->pairwise_key_type =
2317 KEY_TYPE_WEP40;
2318 } else {
2319 ieee->pairwise_key_type = KEY_TYPE_NA;
94a79942 2320 }
1344ee25
LF		 2321
2322 if (ieee->pairwise_key_type) {
06c11107 2323 if (is_zero_ether_addr(ieee->ap_mac_addr))
1344ee25
LF		 2324 ieee->iw_mode = IW_MODE_ADHOC;
2325 memcpy((u8 *)key, ipw->u.crypt.key, 16);
37420932 2326 rtl92e_enable_hw_security_config(dev);
aae7e72e
MK		 2327 rtl92e_set_swcam(dev, 4,
2328 ipw->u.crypt.idx,
2329 ieee->pairwise_key_type,
2330 (u8 *)ieee->ap_mac_addr,
2331 0, key, 0);
408bd7b7
MK		 2332 rtl92e_set_key(dev, 4, ipw->u.crypt.idx,
2333 ieee->pairwise_key_type,
2334 (u8 *)ieee->ap_mac_addr,
2335 0, key);
1344ee25 2336 if (ieee->iw_mode == IW_MODE_ADHOC) {
aae7e72e
MK		 2337 rtl92e_set_swcam(dev,
2338 ipw->u.crypt.idx,
2339 ipw->u.crypt.idx,
2340 ieee->pairwise_key_type,
2341 (u8 *)ieee->ap_mac_addr,
2342 0, key, 0);
408bd7b7
MK		 2343 rtl92e_set_key(dev,
2344 ipw->u.crypt.idx,
2345 ipw->u.crypt.idx,
2346 ieee->pairwise_key_type,
2347 (u8 *)ieee->ap_mac_addr,
2348 0, key);
94a79942
LF		 2349 }
2350 }
1344ee25
LF		 2351 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP)
2352 && ieee->pHTInfo->bCurrentHTSupport) {
d8ae1967 2353 rtl92e_writeb(dev, 0x173, 1);
1344ee25 2354 }
22466983 2355
1344ee25
LF		 2356 } else {
2357 memcpy((u8 *)key, ipw->u.crypt.key, 16);
2358 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2359 ieee->group_key_type = KEY_TYPE_CCMP;
2360 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2361 ieee->group_key_type = KEY_TYPE_TKIP;
2362 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2363 if (ipw->u.crypt.key_len == 13)
2364 ieee->group_key_type =
2365 KEY_TYPE_WEP104;
2366 else if (ipw->u.crypt.key_len == 5)
2367 ieee->group_key_type =
2368 KEY_TYPE_WEP40;
2369 } else
2370 ieee->group_key_type = KEY_TYPE_NA;
2371
2372 if (ieee->group_key_type) {
aae7e72e
MK		 2373 rtl92e_set_swcam(dev, ipw->u.crypt.idx,
2374 ipw->u.crypt.idx,
2375 ieee->group_key_type,
2376 broadcast_addr, 0, key,
2377 0);
408bd7b7
MK		 2378 rtl92e_set_key(dev, ipw->u.crypt.idx,
2379 ipw->u.crypt.idx,
2380 ieee->group_key_type,
2381 broadcast_addr, 0, key);
1344ee25
LF		 2382 }
2383 }
94a79942 2384 }
1344ee25
LF		 2385
2386 ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data,
2387 0);
2388 kfree(ipw);
2389 break;
2390 default:
2391 ret = -EOPNOTSUPP;
2392 break;
94a79942
LF		 2393 }
2394
2395out:
3044975f 2396 mutex_unlock(&priv->wx_mutex);
94a79942
LF		 2397
2398 return ret;
2399}
2400
94a79942 2401
87e01f22 2402static irqreturn_t _rtl92e_irq(int irq, void *netdev)
94a79942 2403{
314e4be7 2404 struct net_device *dev = netdev;
a4eed41f 2405 struct r8192_priv *priv = rtllib_priv(dev);
94a79942
LF		 2406 unsigned long flags;
2407 u32 inta;
2408 u32 intb;
3a6b70c3 2409
94a79942
LF		 2410 intb = 0;
2411
1344ee25 2412 if (priv->irq_enabled == 0)
94a79942 2413 goto done;
94a79942 2414
1344ee25 2415 spin_lock_irqsave(&priv->irq_th_lock, flags);
94a79942
LF		 2416
2417 priv->ops->interrupt_recognized(dev, &inta, &intb);
2418 priv->stats.shints++;
2419
2420 if (!inta) {
1344ee25 2421 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
94a79942
LF		 2422 goto done;
2423 }
2424
2425 if (inta == 0xffff) {
1344ee25 2426 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
94a79942
LF		 2427 goto done;
2428 }
2429
2430 priv->stats.ints++;
2431
2432 if (!netif_running(dev)) {
1344ee25 2433 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
94a79942
LF		 2434 goto done;
2435 }
2436
1344ee25 2437 if (inta & IMR_TBDOK) {
94a79942
LF		 2438 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2439 priv->stats.txbeaconokint++;
2440 }
2441
1344ee25 2442 if (inta & IMR_TBDER) {
94a79942
LF		 2443 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2444 priv->stats.txbeaconerr++;
2445 }
94a79942 2446
1344ee25 2447 if (inta & IMR_BDOK)
94a79942 2448 RT_TRACE(COMP_INTR, "beacon interrupt!\n");
94a79942 2449
1344ee25 2450 if (inta & IMR_MGNTDOK) {
94a79942
LF		 2451 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
2452 priv->stats.txmanageokint++;
7effc87b 2453 _rtl92e_tx_isr(dev, MGNT_QUEUE);
1344ee25
LF		 2454 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2455 if (priv->rtllib->ack_tx_to_ieee) {
6f8d4a7d 2456 if (_rtl92e_is_tx_queue_empty(dev)) {
94a79942
LF		 2457 priv->rtllib->ack_tx_to_ieee = 0;
2458 rtllib_ps_tx_ack(priv->rtllib, 1);
2459 }
2460 }
1344ee25 2461 spin_lock_irqsave(&priv->irq_th_lock, flags);
94a79942
LF		 2462 }
2463
94a79942
LF		 2464 if (inta & IMR_COMDOK) {
2465 priv->stats.txcmdpktokint++;
7effc87b 2466 _rtl92e_tx_isr(dev, TXCMD_QUEUE);
94a79942 2467 }
94a79942 2468
1344ee25 2469 if (inta & IMR_HIGHDOK)
7effc87b 2470 _rtl92e_tx_isr(dev, HIGH_QUEUE);
94a79942 2471
1344ee25 2472 if (inta & IMR_ROK) {
94a79942
LF		 2473 priv->stats.rxint++;
2474 priv->InterruptLog.nIMR_ROK++;
2475 tasklet_schedule(&priv->irq_rx_tasklet);
2476 }
2477
2478 if (inta & IMR_BcnInt) {
2479 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
94a79942 2480 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
94a79942
LF		 2481 }
2482
2483 if (inta & IMR_RDU) {
2484 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
2485 priv->stats.rxrdu++;
8ea54100
MK		 2486 rtl92e_writel(dev, INTA_MASK,
2487 rtl92e_readl(dev, INTA_MASK) & ~IMR_RDU);
94a79942
LF		 2488 tasklet_schedule(&priv->irq_rx_tasklet);
2489 }
2490
2491 if (inta & IMR_RXFOVW) {
2492 RT_TRACE(COMP_INTR, "rx overflow !\n");
2493 priv->stats.rxoverflow++;
2494 tasklet_schedule(&priv->irq_rx_tasklet);
2495 }
2496
1344ee25
LF		 2497 if (inta & IMR_TXFOVW)
2498 priv->stats.txoverflow++;
94a79942
LF		 2499
2500 if (inta & IMR_BKDOK) {
2501 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
2502 priv->stats.txbkokint++;
2503 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
7effc87b 2504 _rtl92e_tx_isr(dev, BK_QUEUE);
94a79942
LF		 2505 }
2506
2507 if (inta & IMR_BEDOK) {
2508 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
2509 priv->stats.txbeokint++;
2510 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
7effc87b 2511 _rtl92e_tx_isr(dev, BE_QUEUE);
94a79942
LF		 2512 }
2513
2514 if (inta & IMR_VIDOK) {
2515 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
2516 priv->stats.txviokint++;
2517 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
7effc87b 2518 _rtl92e_tx_isr(dev, VI_QUEUE);
94a79942
LF		 2519 }
2520
2521 if (inta & IMR_VODOK) {
2522 priv->stats.txvookint++;
2523 RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n");
2524 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
7effc87b 2525 _rtl92e_tx_isr(dev, VO_QUEUE);
94a79942
LF		 2526 }
2527
1344ee25 2528 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
94a79942
LF		 2529
2530done:
2531
94a79942 2532 return IRQ_HANDLED;
94a79942
LF		 2533}
2534
2535
2536
2537/****************************************************************************
1344ee25 2538 ---------------------------- PCI_STUFF---------------------------
94a79942 2539*****************************************************************************/
94a79942 2540static const struct net_device_ops rtl8192_netdev_ops = {
27d673b0 2541 .ndo_open = _rtl92e_open,
27cbba60 2542 .ndo_stop = _rtl92e_close,
ac392655 2543 .ndo_tx_timeout = _rtl92e_tx_timeout,
09c26de7 2544 .ndo_do_ioctl = _rtl92e_ioctl,
2002978d 2545 .ndo_set_rx_mode = _rtl92e_set_multicast,
3ef7f1ee 2546 .ndo_set_mac_address = _rtl92e_set_mac_adr,
94a79942
LF		 2547 .ndo_validate_addr = eth_validate_addr,
2548 .ndo_change_mtu = eth_change_mtu,
2549 .ndo_start_xmit = rtllib_xmit,
2550};
94a79942 2551
93cc57b5
MK		 2552static int _rtl92e_pci_probe(struct pci_dev *pdev,
2553 const struct pci_device_id *id)
94a79942
LF		 2554{
2555 unsigned long ioaddr = 0;
2556 struct net_device *dev = NULL;
1344ee25 2557 struct r8192_priv *priv = NULL;
94a79942 2558 struct rtl819x_ops *ops = (struct rtl819x_ops *)(id->driver_data);
94a79942 2559 unsigned long pmem_start, pmem_len, pmem_flags;
35f8673d 2560 int err = -ENOMEM;
1ec3e2f2 2561 u8 revision_id;
94a79942 2562
1344ee25 2563 RT_TRACE(COMP_INIT, "Configuring chip resources");
94a79942 2564
1344ee25 2565 if (pci_enable_device(pdev)) {
3b4140af 2566 dev_err(&pdev->dev, "Failed to enable PCI device");
94a79942
LF		 2567 return -EIO;
2568 }
2569
2570 pci_set_master(pdev);
2571
1344ee25
LF		 2572 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
2573 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
d69d2054
MK		 2574 dev_info(&pdev->dev,
2575 "Unable to obtain 32bit DMA for consistent allocations\n");
35f8673d 2576 goto err_pci_disable;
94a79942
LF		 2577 }
2578 }
2579 dev = alloc_rtllib(sizeof(struct r8192_priv));
2580 if (!dev)
35f8673d 2581 goto err_pci_disable;
94a79942 2582
35f8673d 2583 err = -ENODEV;
94a79942 2584
94a79942 2585 pci_set_drvdata(pdev, dev);
94a79942 2586 SET_NETDEV_DEV(dev, &pdev->dev);
94a79942
LF		 2587 priv = rtllib_priv(dev);
2588 priv->rtllib = (struct rtllib_device *)netdev_priv_rsl(dev);
1344ee25
LF		 2589 priv->pdev = pdev;
2590 priv->rtllib->pdev = pdev;
2591 if ((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK) &&
2592 (pdev->subsystem_device == 0x3304))
94a79942 2593 priv->rtllib->bSupportRemoteWakeUp = 1;
cb762154 2594 else
94a79942 2595 priv->rtllib->bSupportRemoteWakeUp = 0;
94a79942 2596
94a79942
LF		 2597 pmem_start = pci_resource_start(pdev, 1);
2598 pmem_len = pci_resource_len(pdev, 1);
1344ee25 2599 pmem_flags = pci_resource_flags(pdev, 1);
94a79942
LF		 2600
2601 if (!(pmem_flags & IORESOURCE_MEM)) {
3b4140af 2602 netdev_err(dev, "region #1 not a MMIO resource, aborting");
35f8673d 2603 goto err_rel_rtllib;
94a79942
LF		 2604 }
2605
d69d2054
MK		 2606 dev_info(&pdev->dev, "Memory mapped space start: 0x%08lx\n",
2607 pmem_start);
94a79942 2608 if (!request_mem_region(pmem_start, pmem_len, DRV_NAME)) {
3b4140af 2609 netdev_err(dev, "request_mem_region failed!");
35f8673d 2610 goto err_rel_rtllib;
94a79942
LF		 2611 }
2612
2613
1344ee25
LF		 2614 ioaddr = (unsigned long)ioremap_nocache(pmem_start, pmem_len);
2615 if (ioaddr == (unsigned long)NULL) {
3b4140af 2616 netdev_err(dev, "ioremap failed!");
35f8673d 2617 goto err_rel_mem;
94a79942
LF		 2618 }
2619
2620 dev->mem_start = ioaddr;
2621 dev->mem_end = ioaddr + pci_resource_len(pdev, 0);
2622
1ec3e2f2
MM		 2623 pci_read_config_byte(pdev, 0x08, &revision_id);
2624 /* If the revisionid is 0x10, the device uses rtl8192se. */
2625 if (pdev->device == 0x8192 && revision_id == 0x10)
948fa942 2626 goto err_unmap;
1ec3e2f2 2627
94a79942 2628 priv->ops = ops;
94a79942 2629
e250592e 2630 if (rtl92e_check_adapter(pdev, dev) == false)
948fa942 2631 goto err_unmap;
94a79942
LF		 2632
2633 dev->irq = pdev->irq;
2634 priv->irq = 0;
2635
94a79942 2636 dev->netdev_ops = &rtl8192_netdev_ops;
94a79942 2637
5169af23 2638 dev->wireless_handlers = &r8192_wx_handlers_def;
94a79942 2639 dev->ethtool_ops = &rtl819x_ethtool_ops;
94a79942
LF		 2640
2641 dev->type = ARPHRD_ETHER;
1344ee25 2642 dev->watchdog_timeo = HZ * 3;
94a79942 2643
1344ee25 2644 if (dev_alloc_name(dev, ifname) < 0) {
0822339b
MK		 2645 RT_TRACE(COMP_INIT,
2646 "Oops: devname already taken! Trying wlan%%d...\n");
1344ee25
LF		 2647 dev_alloc_name(dev, ifname);
2648 }
94a79942
LF		 2649
2650 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
6bd5e8e0 2651 if (_rtl92e_init(dev) != 0) {
3b4140af 2652 netdev_warn(dev, "Initialization failed");
35f8673d 2653 goto err_free_irq;
94a79942
LF		 2654 }
2655
94a79942
LF		 2656 netif_carrier_off(dev);
2657 netif_stop_queue(dev);
2658
4087641b
KAM		 2659 if (register_netdev(dev))
2660 goto err_free_irq;
1344ee25 2661 RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name);
80c0d83a 2662
1344ee25 2663 if (priv->polling_timer_on == 0)
a643d927 2664 rtl92e_check_rfctrl_gpio_timer((unsigned long)dev);
94a79942 2665
94a79942
LF		 2666 RT_TRACE(COMP_INIT, "Driver probe completed\n");
2667 return 0;
2668
35f8673d
LF		 2669err_free_irq:
2670 free_irq(dev->irq, dev);
2671 priv->irq = 0;
948fa942
MK		 2672err_unmap:
2673 iounmap((void __iomem *)ioaddr);
35f8673d
LF		 2674err_rel_mem:
2675 release_mem_region(pmem_start, pmem_len);
2676err_rel_rtllib:
2677 free_rtllib(dev);
35f8673d
LF		 2678err_pci_disable:
2679 pci_disable_device(pdev);
2680 return err;
94a79942
LF		 2681}
2682
4a851821 2683static void _rtl92e_pci_disconnect(struct pci_dev *pdev)
94a79942
LF		 2684{
2685 struct net_device *dev = pci_get_drvdata(pdev);
dc986e3e 2686 struct r8192_priv *priv;
1344ee25
LF		 2687 u32 i;
2688
2689 if (dev) {
94a79942
LF		 2690 unregister_netdev(dev);
2691
2692 priv = rtllib_priv(dev);
2693
94a79942 2694 del_timer_sync(&priv->gpio_polling_timer);
ecfdd3a0 2695 cancel_delayed_work_sync(&priv->gpio_change_rf_wq);
94a79942 2696 priv->polling_timer_on = 0;
33bec9bd 2697 _rtl92e_down(dev, true);
fd9e3171 2698 rtl92e_dm_deinit(dev);
cb762154 2699 if (priv->pFirmware) {
94a79942
LF		 2700 vfree(priv->pFirmware);
2701 priv->pFirmware = NULL;
2702 }
694f9d30 2703 _rtl92e_free_rx_ring(dev);
1344ee25 2704 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
ebc36ecd 2705 _rtl92e_free_tx_ring(dev, i);
94a79942 2706
1344ee25 2707 if (priv->irq) {
d69d2054 2708 dev_info(&pdev->dev, "Freeing irq %d\n", dev->irq);
94a79942 2709 free_irq(dev->irq, dev);
1344ee25 2710 priv->irq = 0;
94a79942 2711 }
94a79942
LF		 2712 free_rtllib(dev);
2713
66898177 2714 if (dev->mem_start != 0) {
49aab5fd 2715 iounmap((void __iomem *)dev->mem_start);
66898177 2716 release_mem_region(pci_resource_start(pdev, 1),
1344ee25 2717 pci_resource_len(pdev, 1));
66898177 2718 }
1344ee25
LF		 2719 } else {
2720 priv = rtllib_priv(dev);
2721 }
94a79942
LF		 2722
2723 pci_disable_device(pdev);
94a79942
LF		 2724 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
2725}
2726
502bd1d7 2727bool rtl92e_enable_nic(struct net_device *dev)
94a79942
LF		 2728{
2729 bool init_status = true;
1344ee25
LF		 2730 struct r8192_priv *priv = rtllib_priv(dev);
2731 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
2732 (&(priv->rtllib->PowerSaveControl));
94a79942 2733
5dc42962 2734 if (!priv->up) {
3b4140af 2735 netdev_warn(dev, "%s(): Driver is already down!\n", __func__);
94a79942 2736 priv->bdisable_nic = false;
7626e3d0 2737 return false;
94a79942
LF		 2738 }
2739
1344ee25 2740 RT_TRACE(COMP_PS, "===========>%s()\n", __func__);
94a79942
LF		 2741 priv->bfirst_init = true;
2742 init_status = priv->ops->initialize_adapter(dev);
4bb01423 2743 if (!init_status) {
3b4140af 2744 netdev_warn(dev, "%s(): Initialization failed!\n", __func__);
94a79942 2745 priv->bdisable_nic = false;
7626e3d0 2746 return false;
94a79942
LF		 2747 }
2748 RT_TRACE(COMP_INIT, "start adapter finished\n");
2749 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
2750 priv->bfirst_init = false;
2751
b74299cd 2752 rtl92e_irq_enable(dev);
94a79942 2753 priv->bdisable_nic = false;
1344ee25 2754 RT_TRACE(COMP_PS, "<===========%s()\n", __func__);
94a79942
LF		 2755 return init_status;
2756}
af002dc6 2757bool rtl92e_disable_nic(struct net_device *dev)
94a79942 2758{
1344ee25 2759 struct r8192_priv *priv = rtllib_priv(dev);
94a79942 2760 u8 tmp_state = 0;
3a6b70c3 2761
1344ee25 2762 RT_TRACE(COMP_PS, "=========>%s()\n", __func__);
94a79942
LF		 2763 priv->bdisable_nic = true;
2764 tmp_state = priv->rtllib->state;
2765 rtllib_softmac_stop_protocol(priv->rtllib, 0, false);
2766 priv->rtllib->state = tmp_state;
4dba03a2 2767 _rtl92e_cancel_deferred_work(priv);
b7b50d65 2768 rtl92e_irq_disable(dev);
94a79942
LF		 2769
2770 priv->ops->stop_adapter(dev, false);
1344ee25 2771 RT_TRACE(COMP_PS, "<=========%s()\n", __func__);
94a79942 2772
e623d0f3 2773 return true;
94a79942
LF		 2774}
2775
c1ccdddc 2776module_pci_driver(rtl8192_pci_driver);
94a79942 2777
a643d927 2778void rtl92e_check_rfctrl_gpio_timer(unsigned long data)
94a79942 2779{
1344ee25 2780 struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
94a79942
LF		 2781
2782 priv->polling_timer_on = 1;
2783
ecfdd3a0 2784 schedule_delayed_work(&priv->gpio_change_rf_wq, 0);
94a79942 2785
1344ee25 2786 mod_timer(&priv->gpio_polling_timer, jiffies +
8b9733c1 2787 msecs_to_jiffies(RTLLIB_WATCH_DOG_TIME));
94a79942
LF		 2788}
2789
2790/***************************************************************************
1344ee25 2791 ------------------- module init / exit stubs ----------------
94a79942 2792****************************************************************************/
94a79942
LF		 2793MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
2794MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
94a79942 2795MODULE_VERSION(DRV_VERSION);
94a79942 2796MODULE_LICENSE("GPL");
7f34f412
TG		 2797MODULE_FIRMWARE(RTL8192E_BOOT_IMG_FW);
2798MODULE_FIRMWARE(RTL8192E_MAIN_IMG_FW);
2799MODULE_FIRMWARE(RTL8192E_DATA_IMG_FW);
94a79942 2800
1344ee25
LF		 2801module_param(ifname, charp, S_IRUGO|S_IWUSR);
2802module_param(hwwep, int, S_IRUGO|S_IWUSR);
2803module_param(channels, int, S_IRUGO|S_IWUSR);
94a79942 2804
1344ee25
LF		 2805MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
2806MODULE_PARM_DESC(hwwep, " Try to use hardware WEP support(default use hw. set 0 to use software security)");
2807MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
Linux kernel - Deliverables
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