1 /******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
4 * Based on the r8180 driver, which is:
5 * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of version 2 of the GNU General Public License as
8 * published by the Free Software Foundation.
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
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 * The full GNU General Public License is included in this distribution in the
20 * file called LICENSE.
22 * Contact Information:
23 * wlanfae <wlanfae@realtek.com>
24 ******************************************************************************/
25 #include <linux/uaccess.h>
26 #include <linux/pci.h>
27 #include <linux/vmalloc.h>
28 #include <linux/ieee80211.h>
30 #include "r8192E_phy.h"
31 #include "r8192E_phyreg.h"
32 #include "r8190P_rtl8256.h"
33 #include "r8192E_cmdpkt.h"
41 static int channels = 0x3fff;
42 static char *ifname = "wlan%d";
45 static struct rtl819x_ops rtl819xp_ops = {
46 .nic_type = NIC_8192E,
47 .get_eeprom_size = rtl92e_get_eeprom_size,
48 .init_adapter_variable = rtl92e_init_variables,
49 .initialize_adapter = rtl92e_start_adapter,
50 .link_change = rtl92e_link_change,
51 .tx_fill_descriptor = rtl92e_fill_tx_desc,
52 .tx_fill_cmd_descriptor = rtl92e_fill_tx_cmd_desc,
53 .rx_query_status_descriptor = rtl92e_get_rx_stats,
54 .rx_command_packet_handler = NULL,
55 .stop_adapter = rtl92e_stop_adapter,
56 .update_ratr_table = rtl92e_update_ratr_table,
57 .irq_enable = rtl92e_enable_irq,
58 .irq_disable = rtl92e_disable_irq,
59 .irq_clear = rtl92e_clear_irq,
60 .rx_enable = rtl92e_enable_rx,
61 .tx_enable = rtl92e_enable_tx,
62 .interrupt_recognized = rtl92e_ack_irq,
63 .TxCheckStuckHandler = rtl92e_is_tx_stuck,
64 .RxCheckStuckHandler = rtl92e_is_rx_stuck,
67 static struct pci_device_id rtl8192_pci_id_tbl[] = {
68 {RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)},
69 {RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)},
70 {RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)},
74 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
76 static int rtl8192_pci_probe(struct pci_dev *pdev,
77 const struct pci_device_id *id);
78 static void rtl8192_pci_disconnect(struct pci_dev *pdev);
79 static irqreturn_t rtl8192_interrupt(int irq, void *netdev);
81 static struct pci_driver rtl8192_pci_driver = {
82 .name = DRV_NAME, /* Driver name */
83 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
84 .probe = rtl8192_pci_probe, /* probe fn */
85 .remove = rtl8192_pci_disconnect, /* remove fn */
86 .suspend = rtl8192E_suspend, /* PM suspend fn */
87 .resume = rtl8192E_resume, /* PM resume fn */
90 static short rtl8192_is_tx_queue_empty(struct net_device *dev);
91 static void rtl819x_watchdog_wqcallback(void *data);
92 static void watch_dog_timer_callback(unsigned long data);
93 static void rtl8192_data_hard_stop(struct net_device *dev);
94 static void rtl8192_data_hard_resume(struct net_device *dev);
95 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
97 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);
98 static void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb);
99 static short rtl8192_tx(struct net_device *dev, struct sk_buff *skb);
100 static short rtl8192_pci_initdescring(struct net_device *dev);
101 static void rtl8192_irq_tx_tasklet(struct r8192_priv *priv);
102 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
103 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
104 static int _rtl8192_up(struct net_device *dev, bool is_silent_reset);
105 static int rtl8192_up(struct net_device *dev);
106 static int rtl8192_down(struct net_device *dev, bool shutdownrf);
107 static void rtl8192_restart(void *data);
109 /****************************************************************************
110 -----------------------------IO STUFF-------------------------
111 *****************************************************************************/
113 u8 read_nic_byte(struct net_device *dev, int x)
115 return 0xff & readb((u8 __iomem *)dev->mem_start + x);
118 u32 read_nic_dword(struct net_device *dev, int x)
120 return readl((u8 __iomem *)dev->mem_start + x);
123 u16 read_nic_word(struct net_device *dev, int x)
125 return readw((u8 __iomem *)dev->mem_start + x);
128 void write_nic_byte(struct net_device *dev, int x, u8 y)
130 writeb(y, (u8 __iomem *)dev->mem_start + x);
135 void write_nic_dword(struct net_device *dev, int x, u32 y)
137 writel(y, (u8 __iomem *)dev->mem_start + x);
142 void write_nic_word(struct net_device *dev, int x, u16 y)
144 writew(y, (u8 __iomem *)dev->mem_start + x);
149 /****************************************************************************
150 -----------------------------GENERAL FUNCTION-------------------------
151 *****************************************************************************/
152 bool MgntActSet_RF_State(struct net_device *dev,
153 enum rt_rf_power_state StateToSet,
154 RT_RF_CHANGE_SOURCE ChangeSource,
157 struct r8192_priv *priv = rtllib_priv(dev);
158 struct rtllib_device *ieee = priv->rtllib;
159 bool bActionAllowed = false;
160 bool bConnectBySSID = false;
161 enum rt_rf_power_state rtState;
162 u16 RFWaitCounter = 0;
165 RT_TRACE((COMP_PS | COMP_RF),
166 "===>MgntActSet_RF_State(): StateToSet(%d)\n", StateToSet);
168 ProtectOrNot = false;
173 spin_lock_irqsave(&priv->rf_ps_lock, flag);
174 if (priv->RFChangeInProgress) {
175 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
176 RT_TRACE((COMP_PS | COMP_RF),
177 "MgntActSet_RF_State(): RF Change in progress! Wait to set..StateToSet(%d).\n",
180 while (priv->RFChangeInProgress) {
182 RT_TRACE((COMP_PS | COMP_RF),
183 "MgntActSet_RF_State(): Wait 1 ms (%d times)...\n",
187 if (RFWaitCounter > 100) {
189 "%s(): Timeout waiting for RF change.\n",
195 priv->RFChangeInProgress = true;
196 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
202 rtState = priv->rtllib->eRFPowerState;
204 switch (StateToSet) {
206 priv->rtllib->RfOffReason &= (~ChangeSource);
208 if ((ChangeSource == RF_CHANGE_BY_HW) && priv->bHwRadioOff)
209 priv->bHwRadioOff = false;
211 if (!priv->rtllib->RfOffReason) {
212 priv->rtllib->RfOffReason = 0;
213 bActionAllowed = true;
216 if (rtState == eRfOff &&
217 ChangeSource >= RF_CHANGE_BY_HW)
218 bConnectBySSID = true;
220 RT_TRACE((COMP_PS | COMP_RF),
221 "MgntActSet_RF_State - eRfon reject pMgntInfo->RfOffReason= 0x%x, ChangeSource=0x%X\n",
222 priv->rtllib->RfOffReason, ChangeSource);
229 if ((priv->rtllib->iw_mode == IW_MODE_INFRA) ||
230 (priv->rtllib->iw_mode == IW_MODE_ADHOC)) {
231 if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) ||
232 (ChangeSource > RF_CHANGE_BY_IPS)) {
233 if (ieee->state == RTLLIB_LINKED)
234 priv->blinked_ingpio = true;
236 priv->blinked_ingpio = false;
237 rtllib_MgntDisconnect(priv->rtllib,
238 WLAN_REASON_DISASSOC_STA_HAS_LEFT);
241 if ((ChangeSource == RF_CHANGE_BY_HW) && !priv->bHwRadioOff)
242 priv->bHwRadioOff = true;
243 priv->rtllib->RfOffReason |= ChangeSource;
244 bActionAllowed = true;
248 priv->rtllib->RfOffReason |= ChangeSource;
249 bActionAllowed = true;
256 if (bActionAllowed) {
257 RT_TRACE((COMP_PS | COMP_RF),
258 "MgntActSet_RF_State(): Action is allowed.... StateToSet(%d), RfOffReason(%#X)\n",
259 StateToSet, priv->rtllib->RfOffReason);
260 PHY_SetRFPowerState(dev, StateToSet);
261 if (StateToSet == eRfOn) {
263 if (bConnectBySSID && priv->blinked_ingpio) {
264 queue_delayed_work_rsl(ieee->wq,
265 &ieee->associate_procedure_wq, 0);
266 priv->blinked_ingpio = false;
270 RT_TRACE((COMP_PS | COMP_RF),
271 "MgntActSet_RF_State(): Action is rejected.... StateToSet(%d), ChangeSource(%#X), RfOffReason(%#X)\n",
272 StateToSet, ChangeSource, priv->rtllib->RfOffReason);
276 spin_lock_irqsave(&priv->rf_ps_lock, flag);
277 priv->RFChangeInProgress = false;
278 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
281 RT_TRACE((COMP_PS | COMP_RF), "<===MgntActSet_RF_State()\n");
282 return bActionAllowed;
285 static short rtl8192_check_nic_enough_desc(struct net_device *dev, int prio)
287 struct r8192_priv *priv = rtllib_priv(dev);
288 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
290 if (ring->entries - skb_queue_len(&ring->queue) >= 2)
295 static void rtl8192_tx_timeout(struct net_device *dev)
297 struct r8192_priv *priv = rtllib_priv(dev);
299 schedule_work(&priv->reset_wq);
300 netdev_info(dev, "TXTIMEOUT");
303 void rtl8192_irq_enable(struct net_device *dev)
305 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
307 priv->irq_enabled = 1;
309 priv->ops->irq_enable(dev);
312 void rtl8192_irq_disable(struct net_device *dev)
314 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
316 priv->ops->irq_disable(dev);
318 priv->irq_enabled = 0;
321 static void rtl8192_set_chan(struct net_device *dev, short ch)
323 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
325 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
326 if (priv->chan_forced)
331 if (priv->rf_set_chan)
332 priv->rf_set_chan(dev, priv->chan);
335 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
337 struct r8192_priv *priv = rtllib_priv(dev);
338 struct rtllib_network *net = &priv->rtllib->current_network;
341 if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE) {
342 if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT) {
343 ShortPreamble = true;
344 priv->dot11CurrentPreambleMode = PREAMBLE_SHORT;
346 "%s(): WLAN_CAPABILITY_SHORT_PREAMBLE\n",
348 priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
349 (unsigned char *)&ShortPreamble);
352 if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG) {
353 ShortPreamble = false;
354 priv->dot11CurrentPreambleMode = PREAMBLE_LONG;
356 "%s(): WLAN_CAPABILITY_LONG_PREAMBLE\n",
358 priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
359 (unsigned char *)&ShortPreamble);
363 if (net->mode & (IEEE_G|IEEE_N_24G)) {
365 u8 CurSlotTime = priv->slot_time;
367 if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) &&
368 (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime)) {
369 if (CurSlotTime != SHORT_SLOT_TIME) {
370 slot_time_val = SHORT_SLOT_TIME;
371 priv->rtllib->SetHwRegHandler(dev,
372 HW_VAR_SLOT_TIME, &slot_time_val);
375 if (CurSlotTime != NON_SHORT_SLOT_TIME) {
376 slot_time_val = NON_SHORT_SLOT_TIME;
377 priv->rtllib->SetHwRegHandler(dev,
378 HW_VAR_SLOT_TIME, &slot_time_val);
384 static struct rtllib_qos_parameters def_qos_parameters = {
385 {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
386 {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
392 static void rtl8192_update_beacon(void *data)
394 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
395 update_beacon_wq.work);
396 struct net_device *dev = priv->rtllib->dev;
397 struct rtllib_device *ieee = priv->rtllib;
398 struct rtllib_network *net = &ieee->current_network;
400 if (ieee->pHTInfo->bCurrentHTSupport)
401 HT_update_self_and_peer_setting(ieee, net);
402 ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
403 net->bssht.bdRT2RTLongSlotTime;
404 ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode;
405 rtl8192_update_cap(dev, net->capability);
408 static void rtl8192_qos_activate(void *data)
410 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
412 struct net_device *dev = priv->rtllib->dev;
415 mutex_lock(&priv->mutex);
416 if (priv->rtllib->state != RTLLIB_LINKED)
419 "qos active process with associate response received\n");
421 for (i = 0; i < QOS_QUEUE_NUM; i++)
422 priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8 *)(&i));
426 mutex_unlock(&priv->mutex);
429 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
431 struct rtllib_network *network)
434 u32 size = sizeof(struct rtllib_qos_parameters);
436 if (priv->rtllib->state != RTLLIB_LINKED)
439 if (priv->rtllib->iw_mode != IW_MODE_INFRA)
442 if (network->flags & NETWORK_HAS_QOS_MASK) {
443 if (active_network &&
444 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
445 network->qos_data.active = network->qos_data.supported;
447 if ((network->qos_data.active == 1) && (active_network == 1) &&
448 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
449 (network->qos_data.old_param_count !=
450 network->qos_data.param_count)) {
451 network->qos_data.old_param_count =
452 network->qos_data.param_count;
453 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
454 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
456 "QoS parameters change call qos_activate\n");
459 memcpy(&priv->rtllib->current_network.qos_data.parameters,
460 &def_qos_parameters, size);
462 if ((network->qos_data.active == 1) && (active_network == 1)) {
463 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
465 "QoS was disabled call qos_activate\n");
467 network->qos_data.active = 0;
468 network->qos_data.supported = 0;
474 static int rtl8192_handle_beacon(struct net_device *dev,
475 struct rtllib_beacon *beacon,
476 struct rtllib_network *network)
478 struct r8192_priv *priv = rtllib_priv(dev);
480 rtl8192_qos_handle_probe_response(priv, 1, network);
482 queue_delayed_work_rsl(priv->priv_wq, &priv->update_beacon_wq, 0);
487 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
488 struct rtllib_network *network)
491 u32 size = sizeof(struct rtllib_qos_parameters);
492 int set_qos_param = 0;
494 if ((priv == NULL) || (network == NULL))
497 if (priv->rtllib->state != RTLLIB_LINKED)
500 if (priv->rtllib->iw_mode != IW_MODE_INFRA)
503 spin_lock_irqsave(&priv->rtllib->lock, flags);
504 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
505 memcpy(&priv->rtllib->current_network.qos_data.parameters,
506 &network->qos_data.parameters,
507 sizeof(struct rtllib_qos_parameters));
508 priv->rtllib->current_network.qos_data.active = 1;
509 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
511 priv->rtllib->current_network.qos_data.old_param_count =
512 priv->rtllib->current_network.qos_data.param_count;
513 priv->rtllib->current_network.qos_data.param_count =
514 network->qos_data.param_count;
516 memcpy(&priv->rtllib->current_network.qos_data.parameters,
517 &def_qos_parameters, size);
518 priv->rtllib->current_network.qos_data.active = 0;
519 priv->rtllib->current_network.qos_data.supported = 0;
523 spin_unlock_irqrestore(&priv->rtllib->lock, flags);
525 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
526 network->flags, priv->rtllib->current_network.qos_data.active);
527 if (set_qos_param == 1) {
528 dm_init_edca_turbo(priv->rtllib->dev);
529 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
534 static int rtl8192_handle_assoc_response(struct net_device *dev,
535 struct rtllib_assoc_response_frame *resp,
536 struct rtllib_network *network)
538 struct r8192_priv *priv = rtllib_priv(dev);
540 rtl8192_qos_association_resp(priv, network);
544 static void rtl8192_prepare_beacon(struct r8192_priv *priv)
546 struct net_device *dev = priv->rtllib->dev;
547 struct sk_buff *pskb = NULL, *pnewskb = NULL;
548 struct cb_desc *tcb_desc = NULL;
549 struct rtl8192_tx_ring *ring = NULL;
550 struct tx_desc *pdesc = NULL;
552 ring = &priv->tx_ring[BEACON_QUEUE];
553 pskb = __skb_dequeue(&ring->queue);
556 pnewskb = rtllib_get_beacon(priv->rtllib);
560 tcb_desc = (struct cb_desc *)(pnewskb->cb + 8);
561 tcb_desc->queue_index = BEACON_QUEUE;
562 tcb_desc->data_rate = 2;
563 tcb_desc->RATRIndex = 7;
564 tcb_desc->bTxDisableRateFallBack = 1;
565 tcb_desc->bTxUseDriverAssingedRate = 1;
566 skb_push(pnewskb, priv->rtllib->tx_headroom);
568 pdesc = &ring->desc[0];
569 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
570 __skb_queue_tail(&ring->queue, pnewskb);
574 static void rtl8192_stop_beacon(struct net_device *dev)
578 void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
580 struct r8192_priv *priv = rtllib_priv(dev);
581 struct rtllib_network *net;
582 u8 i = 0, basic_rate = 0;
584 net = &priv->rtllib->current_network;
586 for (i = 0; i < net->rates_len; i++) {
587 basic_rate = net->rates[i] & 0x7f;
588 switch (basic_rate) {
590 *rate_config |= RRSR_1M;
593 *rate_config |= RRSR_2M;
596 *rate_config |= RRSR_5_5M;
599 *rate_config |= RRSR_11M;
602 *rate_config |= RRSR_6M;
605 *rate_config |= RRSR_9M;
608 *rate_config |= RRSR_12M;
611 *rate_config |= RRSR_18M;
614 *rate_config |= RRSR_24M;
617 *rate_config |= RRSR_36M;
620 *rate_config |= RRSR_48M;
623 *rate_config |= RRSR_54M;
628 for (i = 0; i < net->rates_ex_len; i++) {
629 basic_rate = net->rates_ex[i] & 0x7f;
630 switch (basic_rate) {
632 *rate_config |= RRSR_1M;
635 *rate_config |= RRSR_2M;
638 *rate_config |= RRSR_5_5M;
641 *rate_config |= RRSR_11M;
644 *rate_config |= RRSR_6M;
647 *rate_config |= RRSR_9M;
650 *rate_config |= RRSR_12M;
653 *rate_config |= RRSR_18M;
656 *rate_config |= RRSR_24M;
659 *rate_config |= RRSR_36M;
662 *rate_config |= RRSR_48M;
665 *rate_config |= RRSR_54M;
671 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
673 struct rtllib_device *ieee = priv->rtllib;
675 if (ieee->mode == WIRELESS_MODE_N_24G ||
676 ieee->mode == WIRELESS_MODE_N_5G) {
677 memcpy(ieee->Regdot11HTOperationalRateSet,
678 ieee->RegHTSuppRateSet, 16);
679 memcpy(ieee->Regdot11TxHTOperationalRateSet,
680 ieee->RegHTSuppRateSet, 16);
683 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
687 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
689 struct r8192_priv *priv = rtllib_priv(dev);
692 switch (priv->rf_chip) {
697 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B);
700 ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G);
703 ret = WIRELESS_MODE_B;
709 void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
711 struct r8192_priv *priv = rtllib_priv(dev);
712 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
714 if ((wireless_mode == WIRELESS_MODE_AUTO) ||
715 ((wireless_mode & bSupportMode) == 0)) {
716 if (bSupportMode & WIRELESS_MODE_N_24G) {
717 wireless_mode = WIRELESS_MODE_N_24G;
718 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
719 wireless_mode = WIRELESS_MODE_N_5G;
720 } else if ((bSupportMode & WIRELESS_MODE_A)) {
721 wireless_mode = WIRELESS_MODE_A;
722 } else if ((bSupportMode & WIRELESS_MODE_G)) {
723 wireless_mode = WIRELESS_MODE_G;
724 } else if ((bSupportMode & WIRELESS_MODE_B)) {
725 wireless_mode = WIRELESS_MODE_B;
728 "%s(): Unsupported mode requested. Fallback to 802.11b\n",
730 wireless_mode = WIRELESS_MODE_B;
734 if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) ==
735 (WIRELESS_MODE_G | WIRELESS_MODE_B))
736 wireless_mode = WIRELESS_MODE_G;
738 priv->rtllib->mode = wireless_mode;
740 ActUpdateChannelAccessSetting(dev, wireless_mode,
741 &priv->ChannelAccessSetting);
743 if ((wireless_mode == WIRELESS_MODE_N_24G) ||
744 (wireless_mode == WIRELESS_MODE_N_5G)) {
745 priv->rtllib->pHTInfo->bEnableHT = 1;
746 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n",
747 __func__, wireless_mode);
749 priv->rtllib->pHTInfo->bEnableHT = 0;
750 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n",
751 __func__, wireless_mode);
754 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
755 rtl8192_refresh_supportrate(priv);
758 static int _rtl8192_sta_up(struct net_device *dev, bool is_silent_reset)
760 struct r8192_priv *priv = rtllib_priv(dev);
761 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
762 (&(priv->rtllib->PowerSaveControl));
763 bool init_status = true;
765 priv->bDriverIsGoingToUnload = false;
766 priv->bdisable_nic = false;
769 priv->rtllib->ieee_up = 1;
771 priv->up_first_time = 0;
772 RT_TRACE(COMP_INIT, "Bringing up iface");
773 priv->bfirst_init = true;
774 init_status = priv->ops->initialize_adapter(dev);
776 netdev_err(dev, "%s(): Initialization failed!\n", __func__);
777 priv->bfirst_init = false;
781 RT_TRACE(COMP_INIT, "start adapter finished\n");
782 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
783 priv->bfirst_init = false;
785 if (priv->polling_timer_on == 0)
786 check_rfctrl_gpio_timer((unsigned long)dev);
788 if (priv->rtllib->state != RTLLIB_LINKED)
789 rtllib_softmac_start_protocol(priv->rtllib, 0);
790 rtllib_reset_queue(priv->rtllib);
791 watch_dog_timer_callback((unsigned long) dev);
793 if (!netif_queue_stopped(dev))
794 netif_start_queue(dev);
796 netif_wake_queue(dev);
801 static int rtl8192_sta_down(struct net_device *dev, bool shutdownrf)
803 struct r8192_priv *priv = rtllib_priv(dev);
804 unsigned long flags = 0;
805 u8 RFInProgressTimeOut = 0;
810 if (priv->rtllib->rtllib_ips_leave != NULL)
811 priv->rtllib->rtllib_ips_leave(dev);
813 if (priv->rtllib->state == RTLLIB_LINKED)
816 priv->bDriverIsGoingToUnload = true;
818 priv->rtllib->ieee_up = 0;
819 priv->bfirst_after_down = true;
820 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
821 if (!netif_queue_stopped(dev))
822 netif_stop_queue(dev);
824 priv->rtllib->wpa_ie_len = 0;
825 kfree(priv->rtllib->wpa_ie);
826 priv->rtllib->wpa_ie = NULL;
827 CamResetAllEntry(dev);
828 memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
829 rtl8192_irq_disable(dev);
831 del_timer_sync(&priv->watch_dog_timer);
832 rtl8192_cancel_deferred_work(priv);
833 cancel_delayed_work(&priv->rtllib->hw_wakeup_wq);
835 rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
836 spin_lock_irqsave(&priv->rf_ps_lock, flags);
837 while (priv->RFChangeInProgress) {
838 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
839 if (RFInProgressTimeOut > 100) {
840 spin_lock_irqsave(&priv->rf_ps_lock, flags);
844 "===>%s():RF is in progress, need to wait until rf change is done.\n",
847 RFInProgressTimeOut++;
848 spin_lock_irqsave(&priv->rf_ps_lock, flags);
850 priv->RFChangeInProgress = true;
851 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
852 priv->ops->stop_adapter(dev, false);
853 spin_lock_irqsave(&priv->rf_ps_lock, flags);
854 priv->RFChangeInProgress = false;
855 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
857 memset(&priv->rtllib->current_network, 0,
858 offsetof(struct rtllib_network, list));
859 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
864 static void rtl8192_init_priv_handler(struct net_device *dev)
866 struct r8192_priv *priv = rtllib_priv(dev);
868 priv->rtllib->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
869 priv->rtllib->set_chan = rtl8192_set_chan;
870 priv->rtllib->link_change = priv->ops->link_change;
871 priv->rtllib->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
872 priv->rtllib->data_hard_stop = rtl8192_data_hard_stop;
873 priv->rtllib->data_hard_resume = rtl8192_data_hard_resume;
874 priv->rtllib->check_nic_enough_desc = rtl8192_check_nic_enough_desc;
875 priv->rtllib->handle_assoc_response = rtl8192_handle_assoc_response;
876 priv->rtllib->handle_beacon = rtl8192_handle_beacon;
877 priv->rtllib->SetWirelessMode = rtl8192_SetWirelessMode;
878 priv->rtllib->LeisurePSLeave = LeisurePSLeave;
879 priv->rtllib->SetBWModeHandler = rtl8192_SetBWMode;
880 priv->rf_set_chan = rtl8192_phy_SwChnl;
882 priv->rtllib->start_send_beacons = rtl92e_start_beacon;
883 priv->rtllib->stop_send_beacons = rtl8192_stop_beacon;
885 priv->rtllib->sta_wake_up = rtl8192_hw_wakeup;
886 priv->rtllib->enter_sleep_state = rtl8192_hw_to_sleep;
887 priv->rtllib->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
889 priv->rtllib->GetNmodeSupportBySecCfg = rtl92e_get_nmode_support_by_sec;
890 priv->rtllib->GetHalfNmodeSupportByAPsHandler =
891 rtl92e_is_halfn_supported_by_ap;
893 priv->rtllib->SetHwRegHandler = rtl92e_set_reg;
894 priv->rtllib->AllowAllDestAddrHandler = rtl92e_set_monitor_mode;
895 priv->rtllib->SetFwCmdHandler = NULL;
896 priv->rtllib->InitialGainHandler = InitialGain819xPci;
897 priv->rtllib->rtllib_ips_leave_wq = rtllib_ips_leave_wq;
898 priv->rtllib->rtllib_ips_leave = rtllib_ips_leave;
900 priv->rtllib->LedControlHandler = NULL;
901 priv->rtllib->UpdateBeaconInterruptHandler = NULL;
903 priv->rtllib->ScanOperationBackupHandler = PHY_ScanOperationBackup8192;
906 static void rtl8192_init_priv_constant(struct net_device *dev)
908 struct r8192_priv *priv = rtllib_priv(dev);
909 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
910 &(priv->rtllib->PowerSaveControl);
912 pPSC->RegMaxLPSAwakeIntvl = 5;
916 static void rtl8192_init_priv_variable(struct net_device *dev)
918 struct r8192_priv *priv = rtllib_priv(dev);
921 priv->AcmMethod = eAcmWay2_SW;
922 priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
923 priv->rtllib->status = 0;
924 priv->polling_timer_on = 0;
925 priv->up_first_time = 1;
926 priv->blinked_ingpio = false;
927 priv->bDriverIsGoingToUnload = false;
928 priv->being_init_adapter = false;
929 priv->initialized_at_probe = false;
930 priv->bdisable_nic = false;
931 priv->bfirst_init = false;
932 priv->txringcount = 64;
933 priv->rxbuffersize = 9100;
934 priv->rxringcount = MAX_RX_COUNT;
935 priv->irq_enabled = 0;
937 priv->RegChannelPlan = 0xf;
938 priv->rtllib->mode = WIRELESS_MODE_AUTO;
939 priv->rtllib->iw_mode = IW_MODE_INFRA;
940 priv->rtllib->bNetPromiscuousMode = false;
941 priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false;
942 priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame =
944 priv->rtllib->ieee_up = 0;
945 priv->retry_rts = DEFAULT_RETRY_RTS;
946 priv->retry_data = DEFAULT_RETRY_DATA;
947 priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
948 priv->rtllib->rate = 110;
949 priv->rtllib->short_slot = 1;
950 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
951 priv->bcck_in_ch14 = false;
952 priv->bfsync_processing = false;
953 priv->CCKPresentAttentuation = 0;
954 priv->rfa_txpowertrackingindex = 0;
955 priv->rfc_txpowertrackingindex = 0;
957 priv->ScanDelay = 50;
958 priv->ResetProgress = RESET_TYPE_NORESET;
959 priv->bForcedSilentReset = false;
960 priv->bDisableNormalResetCheck = false;
961 priv->force_reset = false;
962 memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
964 memset(&priv->InterruptLog, 0, sizeof(struct log_int_8190));
966 priv->rtllib->wx_set_enc = 0;
967 priv->bHwRadioOff = false;
968 priv->RegRfOff = false;
969 priv->isRFOff = false;
970 priv->bInPowerSaveMode = false;
971 priv->rtllib->RfOffReason = 0;
972 priv->RFChangeInProgress = false;
973 priv->bHwRfOffAction = 0;
974 priv->SetRFPowerStateInProgress = false;
975 priv->rtllib->PowerSaveControl.bInactivePs = true;
976 priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
977 priv->rtllib->PowerSaveControl.bLeisurePs = true;
978 priv->rtllib->PowerSaveControl.bFwCtrlLPS = false;
979 priv->rtllib->LPSDelayCnt = 0;
980 priv->rtllib->sta_sleep = LPS_IS_WAKE;
981 priv->rtllib->eRFPowerState = eRfOn;
983 priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
984 priv->rtllib->iw_mode = IW_MODE_INFRA;
985 priv->rtllib->active_scan = 1;
986 priv->rtllib->be_scan_inprogress = false;
987 priv->rtllib->modulation = RTLLIB_CCK_MODULATION |
988 RTLLIB_OFDM_MODULATION;
989 priv->rtllib->host_encrypt = 1;
990 priv->rtllib->host_decrypt = 1;
992 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
994 priv->card_type = PCI;
996 priv->pFirmware = vzalloc(sizeof(struct rt_firmware));
997 if (!priv->pFirmware)
999 "rtl8192e: Unable to allocate space for firmware\n");
1001 skb_queue_head_init(&priv->skb_queue);
1003 for (i = 0; i < MAX_QUEUE_SIZE; i++)
1004 skb_queue_head_init(&priv->rtllib->skb_waitQ[i]);
1005 for (i = 0; i < MAX_QUEUE_SIZE; i++)
1006 skb_queue_head_init(&priv->rtllib->skb_aggQ[i]);
1009 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
1011 spin_lock_init(&priv->tx_lock);
1012 spin_lock_init(&priv->irq_th_lock);
1013 spin_lock_init(&priv->rf_ps_lock);
1014 spin_lock_init(&priv->ps_lock);
1015 sema_init(&priv->wx_sem, 1);
1016 sema_init(&priv->rf_sem, 1);
1017 mutex_init(&priv->mutex);
1020 static void rtl8192_init_priv_task(struct net_device *dev)
1022 struct r8192_priv *priv = rtllib_priv(dev);
1024 priv->priv_wq = create_workqueue(DRV_NAME);
1025 INIT_WORK_RSL(&priv->reset_wq, (void *)rtl8192_restart, dev);
1026 INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void *)IPSLeave_wq, dev);
1027 INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq,
1028 (void *)rtl819x_watchdog_wqcallback, dev);
1029 INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq,
1030 (void *)dm_txpower_trackingcallback, dev);
1031 INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq,
1032 (void *)dm_rf_pathcheck_workitemcallback, dev);
1033 INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq,
1034 (void *)rtl8192_update_beacon, dev);
1035 INIT_WORK_RSL(&priv->qos_activate, (void *)rtl8192_qos_activate, dev);
1036 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq,
1037 (void *) rtl8192_hw_wakeup_wq, dev);
1038 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,
1039 (void *) rtl8192_hw_sleep_wq, dev);
1040 tasklet_init(&priv->irq_rx_tasklet,
1041 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
1042 (unsigned long)priv);
1043 tasklet_init(&priv->irq_tx_tasklet,
1044 (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
1045 (unsigned long)priv);
1046 tasklet_init(&priv->irq_prepare_beacon_tasklet,
1047 (void(*)(unsigned long))rtl8192_prepare_beacon,
1048 (unsigned long)priv);
1051 static short rtl8192_get_channel_map(struct net_device *dev)
1055 struct r8192_priv *priv = rtllib_priv(dev);
1057 if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256)
1058 && (priv->rf_chip != RF_6052)) {
1059 netdev_err(dev, "%s: unknown rf chip, can't set channel map\n",
1064 if (priv->ChannelPlan >= COUNTRY_CODE_MAX) {
1066 "rtl819x_init:Error channel plan! Set to default.\n");
1067 priv->ChannelPlan = COUNTRY_CODE_FCC;
1069 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
1070 dot11d_init(priv->rtllib);
1071 Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib);
1072 for (i = 1; i <= 11; i++)
1073 (priv->rtllib->active_channel_map)[i] = 1;
1074 (priv->rtllib->active_channel_map)[12] = 2;
1075 (priv->rtllib->active_channel_map)[13] = 2;
1080 static short rtl8192_init(struct net_device *dev)
1082 struct r8192_priv *priv = rtllib_priv(dev);
1084 memset(&(priv->stats), 0, sizeof(struct rt_stats));
1086 rtl8192_init_priv_handler(dev);
1087 rtl8192_init_priv_constant(dev);
1088 rtl8192_init_priv_variable(dev);
1089 rtl8192_init_priv_lock(priv);
1090 rtl8192_init_priv_task(dev);
1091 priv->ops->get_eeprom_size(dev);
1092 priv->ops->init_adapter_variable(dev);
1093 rtl8192_get_channel_map(dev);
1097 setup_timer(&priv->watch_dog_timer,
1098 watch_dog_timer_callback,
1099 (unsigned long) dev);
1101 setup_timer(&priv->gpio_polling_timer,
1102 check_rfctrl_gpio_timer,
1103 (unsigned long)dev);
1105 rtl8192_irq_disable(dev);
1106 if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED,
1108 netdev_err(dev, "Error allocating IRQ %d", dev->irq);
1112 priv->irq = dev->irq;
1113 RT_TRACE(COMP_INIT, "IRQ %d\n", dev->irq);
1115 if (rtl8192_pci_initdescring(dev) != 0) {
1116 netdev_err(dev, "Endopoints initialization failed");
1117 free_irq(dev->irq, dev);
1124 /***************************************************************************
1125 -------------------------------WATCHDOG STUFF---------------------------
1126 ***************************************************************************/
1127 static short rtl8192_is_tx_queue_empty(struct net_device *dev)
1130 struct r8192_priv *priv = rtllib_priv(dev);
1132 for (i = 0; i <= MGNT_QUEUE; i++) {
1133 if ((i == TXCMD_QUEUE) || (i == HCCA_QUEUE))
1135 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0) {
1136 netdev_info(dev, "===>tx queue is not empty:%d, %d\n",
1137 i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1144 static enum reset_type rtl819x_TxCheckStuck(struct net_device *dev)
1146 struct r8192_priv *priv = rtllib_priv(dev);
1148 u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1149 bool bCheckFwTxCnt = false;
1150 struct rtl8192_tx_ring *ring = NULL;
1151 struct sk_buff *skb = NULL;
1152 struct cb_desc *tcb_desc = NULL;
1153 unsigned long flags = 0;
1155 switch (priv->rtllib->ps) {
1156 case RTLLIB_PS_DISABLED:
1157 ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
1159 case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST):
1160 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1163 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1166 spin_lock_irqsave(&priv->irq_th_lock, flags);
1167 for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++) {
1168 if (QueueID == TXCMD_QUEUE)
1171 if (QueueID == BEACON_QUEUE)
1174 ring = &priv->tx_ring[QueueID];
1176 if (skb_queue_len(&ring->queue) == 0) {
1179 skb = (&ring->queue)->next;
1180 tcb_desc = (struct cb_desc *)(skb->cb +
1182 tcb_desc->nStuckCount++;
1183 bCheckFwTxCnt = true;
1184 if (tcb_desc->nStuckCount > 1)
1186 "%s: QueueID=%d tcb_desc->nStuckCount=%d\n",
1188 tcb_desc->nStuckCount);
1191 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1193 if (bCheckFwTxCnt) {
1194 if (priv->ops->TxCheckStuckHandler(dev)) {
1195 RT_TRACE(COMP_RESET,
1196 "TxCheckStuck(): Fw indicates no Tx condition!\n");
1197 return RESET_TYPE_SILENT;
1201 return RESET_TYPE_NORESET;
1204 static enum reset_type rtl819x_RxCheckStuck(struct net_device *dev)
1206 struct r8192_priv *priv = rtllib_priv(dev);
1208 if (priv->ops->RxCheckStuckHandler(dev)) {
1209 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
1210 return RESET_TYPE_SILENT;
1213 return RESET_TYPE_NORESET;
1216 static enum reset_type rtl819x_ifcheck_resetornot(struct net_device *dev)
1218 struct r8192_priv *priv = rtllib_priv(dev);
1219 enum reset_type TxResetType = RESET_TYPE_NORESET;
1220 enum reset_type RxResetType = RESET_TYPE_NORESET;
1221 enum rt_rf_power_state rfState;
1223 rfState = priv->rtllib->eRFPowerState;
1225 if (rfState == eRfOn)
1226 TxResetType = rtl819x_TxCheckStuck(dev);
1228 if (rfState == eRfOn &&
1229 (priv->rtllib->iw_mode == IW_MODE_INFRA) &&
1230 (priv->rtllib->state == RTLLIB_LINKED))
1231 RxResetType = rtl819x_RxCheckStuck(dev);
1233 if (TxResetType == RESET_TYPE_NORMAL ||
1234 RxResetType == RESET_TYPE_NORMAL) {
1235 netdev_info(dev, "%s(): TxResetType is %d, RxResetType is %d\n",
1236 __func__, TxResetType, RxResetType);
1237 return RESET_TYPE_NORMAL;
1238 } else if (TxResetType == RESET_TYPE_SILENT ||
1239 RxResetType == RESET_TYPE_SILENT) {
1240 netdev_info(dev, "%s(): TxResetType is %d, RxResetType is %d\n",
1241 __func__, TxResetType, RxResetType);
1242 return RESET_TYPE_SILENT;
1244 return RESET_TYPE_NORESET;
1249 static void rtl819x_silentreset_mesh_bk(struct net_device *dev, u8 IsPortal)
1253 static void rtl819x_ifsilentreset(struct net_device *dev)
1255 struct r8192_priv *priv = rtllib_priv(dev);
1257 int reset_status = 0;
1258 struct rtllib_device *ieee = priv->rtllib;
1264 if (priv->ResetProgress == RESET_TYPE_NORESET) {
1266 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
1268 priv->ResetProgress = RESET_TYPE_SILENT;
1270 spin_lock_irqsave(&priv->rf_ps_lock, flag);
1271 if (priv->RFChangeInProgress) {
1272 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1275 priv->RFChangeInProgress = true;
1276 priv->bResetInProgress = true;
1277 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1281 down(&priv->wx_sem);
1283 if (priv->rtllib->state == RTLLIB_LINKED)
1284 LeisurePSLeave(dev);
1287 netdev_info(dev, "%s():the driver is not up.\n",
1294 RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n",
1297 RT_TRACE(COMP_RESET,
1298 "%s():111111111111111111111111======>start to down the driver\n",
1301 if (!netif_queue_stopped(dev))
1302 netif_stop_queue(dev);
1304 rtl8192_irq_disable(dev);
1305 del_timer_sync(&priv->watch_dog_timer);
1306 rtl8192_cancel_deferred_work(priv);
1308 rtllib_stop_scan_syncro(ieee);
1310 if (ieee->state == RTLLIB_LINKED) {
1311 SEM_DOWN_IEEE_WX(&ieee->wx_sem);
1312 netdev_info(dev, "ieee->state is RTLLIB_LINKED\n");
1313 rtllib_stop_send_beacons(priv->rtllib);
1314 del_timer_sync(&ieee->associate_timer);
1315 cancel_delayed_work(&ieee->associate_retry_wq);
1316 rtllib_stop_scan(ieee);
1317 netif_carrier_off(dev);
1318 SEM_UP_IEEE_WX(&ieee->wx_sem);
1320 netdev_info(dev, "ieee->state is NOT LINKED\n");
1321 rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
1324 dm_backup_dynamic_mechanism_state(dev);
1327 RT_TRACE(COMP_RESET,
1328 "%s():<==========down process is finished\n",
1331 RT_TRACE(COMP_RESET, "%s():<===========up process start\n",
1333 reset_status = _rtl8192_up(dev, true);
1335 RT_TRACE(COMP_RESET,
1336 "%s():<===========up process is finished\n", __func__);
1337 if (reset_status == -1) {
1338 if (reset_times < 3) {
1342 netdev_warn(dev, "%s(): Reset Failed\n",
1347 ieee->is_silent_reset = 1;
1349 spin_lock_irqsave(&priv->rf_ps_lock, flag);
1350 priv->RFChangeInProgress = false;
1351 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1353 EnableHWSecurityConfig8192(dev);
1355 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1357 ieee->set_chan(ieee->dev,
1358 ieee->current_network.channel);
1360 queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
1362 } else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1364 ieee->set_chan(ieee->dev,
1365 ieee->current_network.channel);
1366 ieee->link_change(ieee->dev);
1368 notify_wx_assoc_event(ieee);
1370 rtllib_start_send_beacons(ieee);
1372 if (ieee->data_hard_resume)
1373 ieee->data_hard_resume(ieee->dev);
1374 netif_carrier_on(ieee->dev);
1375 } else if (ieee->iw_mode == IW_MODE_MESH) {
1376 rtl819x_silentreset_mesh_bk(dev, IsPortal);
1379 CamRestoreAllEntry(dev);
1380 dm_restore_dynamic_mechanism_state(dev);
1382 priv->ResetProgress = RESET_TYPE_NORESET;
1383 priv->reset_count++;
1385 priv->bForcedSilentReset = false;
1386 priv->bResetInProgress = false;
1388 write_nic_byte(dev, UFWP, 1);
1389 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n",
1394 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
1395 u32 *TotalRxDataNum)
1401 *TotalRxDataNum = 0;
1403 SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++) %
1404 (priv->rtllib->LinkDetectInfo.SlotNum);
1405 priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] =
1406 priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod;
1407 priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] =
1408 priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod;
1409 for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) {
1410 *TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i];
1411 *TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i];
1415 static void rtl819x_watchdog_wqcallback(void *data)
1417 struct r8192_priv *priv = container_of_dwork_rsl(data,
1418 struct r8192_priv, watch_dog_wq);
1419 struct net_device *dev = priv->rtllib->dev;
1420 struct rtllib_device *ieee = priv->rtllib;
1421 enum reset_type ResetType = RESET_TYPE_NORESET;
1422 static u8 check_reset_cnt;
1423 unsigned long flags;
1424 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1425 (&(priv->rtllib->PowerSaveControl));
1426 bool bBusyTraffic = false;
1427 bool bHigherBusyTraffic = false;
1428 bool bHigherBusyRxTraffic = false;
1429 bool bEnterPS = false;
1431 if (!priv->up || priv->bHwRadioOff)
1434 if (priv->rtllib->state >= RTLLIB_LINKED) {
1435 if (priv->rtllib->CntAfterLink < 2)
1436 priv->rtllib->CntAfterLink++;
1438 priv->rtllib->CntAfterLink = 0;
1441 hal_dm_watchdog(dev);
1443 if (rtllib_act_scanning(priv->rtllib, false) == false) {
1444 if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state ==
1446 (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key &&
1447 (!ieee->proto_stoppping) && !ieee->wx_set_enc) {
1448 if ((ieee->PowerSaveControl.ReturnPoint ==
1449 IPS_CALLBACK_NONE) &&
1450 (!ieee->bNetPromiscuousMode)) {
1452 "====================>haha: IPSEnter()\n");
1457 if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode ==
1458 IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode)) {
1459 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 100 ||
1460 ieee->LinkDetectInfo.NumTxOkInPeriod > 100)
1461 bBusyTraffic = true;
1464 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
1465 ieee->LinkDetectInfo.NumTxOkInPeriod > 4000) {
1466 bHigherBusyTraffic = true;
1467 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000)
1468 bHigherBusyRxTraffic = true;
1470 bHigherBusyRxTraffic = false;
1473 if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +
1474 ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
1475 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
1480 if (ieee->current_network.beacon_interval < 95)
1484 LeisurePSEnter(dev);
1486 LeisurePSLeave(dev);
1489 RT_TRACE(COMP_LPS, "====>no link LPS leave\n");
1490 LeisurePSLeave(dev);
1493 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
1494 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
1495 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
1496 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
1498 ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
1499 ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
1501 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
1502 u32 TotalRxBcnNum = 0;
1503 u32 TotalRxDataNum = 0;
1505 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
1507 if ((TotalRxBcnNum+TotalRxDataNum) == 0)
1508 priv->check_roaming_cnt++;
1510 priv->check_roaming_cnt = 0;
1513 if (priv->check_roaming_cnt > 0) {
1514 if (ieee->eRFPowerState == eRfOff)
1515 netdev_info(dev, "%s(): RF is off\n", __func__);
1518 "===>%s(): AP is power off, chan:%d, connect another one\n",
1519 __func__, priv->chan);
1521 ieee->state = RTLLIB_ASSOCIATING;
1523 RemovePeerTS(priv->rtllib,
1524 priv->rtllib->current_network.bssid);
1525 ieee->is_roaming = true;
1526 ieee->is_set_key = false;
1527 ieee->link_change(dev);
1528 if (ieee->LedControlHandler)
1529 ieee->LedControlHandler(ieee->dev,
1530 LED_CTL_START_TO_LINK);
1532 notify_wx_assoc_event(ieee);
1534 if (!(ieee->rtllib_ap_sec_type(ieee) &
1535 (SEC_ALG_CCMP|SEC_ALG_TKIP)))
1536 queue_delayed_work_rsl(ieee->wq,
1537 &ieee->associate_procedure_wq, 0);
1539 priv->check_roaming_cnt = 0;
1541 ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0;
1542 ieee->LinkDetectInfo.NumRecvDataInPeriod = 0;
1546 spin_lock_irqsave(&priv->tx_lock, flags);
1547 if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) &&
1548 (!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing)) {
1549 ResetType = rtl819x_ifcheck_resetornot(dev);
1550 check_reset_cnt = 3;
1552 spin_unlock_irqrestore(&priv->tx_lock, flags);
1554 if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL) {
1555 priv->ResetProgress = RESET_TYPE_NORMAL;
1556 RT_TRACE(COMP_RESET, "%s(): NOMAL RESET\n", __func__);
1560 if (((priv->force_reset) || (!priv->bDisableNormalResetCheck &&
1561 ResetType == RESET_TYPE_SILENT)))
1562 rtl819x_ifsilentreset(dev);
1563 priv->force_reset = false;
1564 priv->bForcedSilentReset = false;
1565 priv->bResetInProgress = false;
1566 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
1569 static void watch_dog_timer_callback(unsigned long data)
1571 struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
1573 queue_delayed_work_rsl(priv->priv_wq, &priv->watch_dog_wq, 0);
1574 mod_timer(&priv->watch_dog_timer, jiffies +
1575 msecs_to_jiffies(RTLLIB_WATCH_DOG_TIME));
1578 /****************************************************************************
1579 ---------------------------- NIC TX/RX STUFF---------------------------
1580 *****************************************************************************/
1581 void rtl8192_rx_enable(struct net_device *dev)
1583 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1585 priv->ops->rx_enable(dev);
1588 void rtl8192_tx_enable(struct net_device *dev)
1590 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1592 priv->ops->tx_enable(dev);
1594 rtllib_reset_queue(priv->rtllib);
1598 static void rtl8192_free_rx_ring(struct net_device *dev)
1600 struct r8192_priv *priv = rtllib_priv(dev);
1601 int i, rx_queue_idx;
1603 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE;
1605 for (i = 0; i < priv->rxringcount; i++) {
1606 struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i];
1611 pci_unmap_single(priv->pdev,
1612 *((dma_addr_t *)skb->cb),
1613 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1617 pci_free_consistent(priv->pdev,
1618 sizeof(*priv->rx_ring[rx_queue_idx]) *
1620 priv->rx_ring[rx_queue_idx],
1621 priv->rx_ring_dma[rx_queue_idx]);
1622 priv->rx_ring[rx_queue_idx] = NULL;
1626 static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
1628 struct r8192_priv *priv = rtllib_priv(dev);
1629 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1631 while (skb_queue_len(&ring->queue)) {
1632 struct tx_desc *entry = &ring->desc[ring->idx];
1633 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1635 pci_unmap_single(priv->pdev, entry->TxBuffAddr,
1636 skb->len, PCI_DMA_TODEVICE);
1638 ring->idx = (ring->idx + 1) % ring->entries;
1641 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
1642 ring->desc, ring->dma);
1646 static void rtl8192_data_hard_stop(struct net_device *dev)
1650 static void rtl8192_data_hard_resume(struct net_device *dev)
1654 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1657 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1659 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1661 u8 queue_index = tcb_desc->queue_index;
1663 if ((priv->rtllib->eRFPowerState == eRfOff) || !priv->up ||
1664 priv->bResetInProgress) {
1669 if (queue_index != TXCMD_QUEUE)
1670 netdev_warn(dev, "%s(): queue index != TXCMD_QUEUE\n",
1673 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1674 skb_push(skb, priv->rtllib->tx_headroom);
1675 ret = rtl8192_tx(dev, skb);
1679 if (queue_index != MGNT_QUEUE) {
1680 priv->rtllib->stats.tx_bytes += (skb->len -
1681 priv->rtllib->tx_headroom);
1682 priv->rtllib->stats.tx_packets++;
1686 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1688 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1690 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1692 u8 queue_index = tcb_desc->queue_index;
1694 if (queue_index != TXCMD_QUEUE) {
1695 if ((priv->rtllib->eRFPowerState == eRfOff) ||
1696 !priv->up || priv->bResetInProgress) {
1702 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1703 if (queue_index == TXCMD_QUEUE) {
1704 rtl8192_tx_cmd(dev, skb);
1708 tcb_desc->RATRIndex = 7;
1709 tcb_desc->bTxDisableRateFallBack = 1;
1710 tcb_desc->bTxUseDriverAssingedRate = 1;
1711 tcb_desc->bTxEnableFwCalcDur = 1;
1712 skb_push(skb, priv->rtllib->tx_headroom);
1713 ret = rtl8192_tx(dev, skb);
1719 static void rtl8192_tx_isr(struct net_device *dev, int prio)
1721 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1723 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1725 while (skb_queue_len(&ring->queue)) {
1726 struct tx_desc *entry = &ring->desc[ring->idx];
1727 struct sk_buff *skb;
1729 if (prio != BEACON_QUEUE) {
1732 ring->idx = (ring->idx + 1) % ring->entries;
1735 skb = __skb_dequeue(&ring->queue);
1736 pci_unmap_single(priv->pdev, entry->TxBuffAddr,
1737 skb->len, PCI_DMA_TODEVICE);
1741 if (prio != BEACON_QUEUE)
1742 tasklet_schedule(&priv->irq_tx_tasklet);
1745 static void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1747 struct r8192_priv *priv = rtllib_priv(dev);
1748 struct rtl8192_tx_ring *ring;
1749 struct tx_desc_cmd *entry;
1751 struct cb_desc *tcb_desc;
1752 unsigned long flags;
1754 spin_lock_irqsave(&priv->irq_th_lock, flags);
1755 ring = &priv->tx_ring[TXCMD_QUEUE];
1757 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1758 entry = (struct tx_desc_cmd *) &ring->desc[idx];
1760 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1762 priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb);
1764 __skb_queue_tail(&ring->queue, skb);
1765 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1768 static short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1770 struct r8192_priv *priv = rtllib_priv(dev);
1771 struct rtl8192_tx_ring *ring;
1772 unsigned long flags;
1773 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1775 struct tx_desc *pdesc = NULL;
1776 struct rtllib_hdr_1addr *header = NULL;
1777 u16 fc = 0, type = 0, stype = 0;
1778 bool multi_addr = false, broad_addr = false, uni_addr = false;
1779 u8 *pda_addr = NULL;
1781 u32 fwinfo_size = 0;
1783 if (priv->bdisable_nic) {
1784 netdev_warn(dev, "%s: Nic is disabled! Can't tx packet.\n",
1789 priv->rtllib->bAwakePktSent = true;
1791 fwinfo_size = sizeof(struct tx_fwinfo_8190pci);
1793 header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
1794 fc = le16_to_cpu(header->frame_ctl);
1795 type = WLAN_FC_GET_TYPE(fc);
1796 stype = WLAN_FC_GET_STYPE(fc);
1797 pda_addr = header->addr1;
1799 if (is_broadcast_ether_addr(pda_addr))
1801 else if (is_multicast_ether_addr(pda_addr))
1807 priv->stats.txbytesunicast += skb->len - fwinfo_size;
1808 else if (multi_addr)
1809 priv->stats.txbytesmulticast += skb->len - fwinfo_size;
1811 priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
1813 spin_lock_irqsave(&priv->irq_th_lock, flags);
1814 ring = &priv->tx_ring[tcb_desc->queue_index];
1815 if (tcb_desc->queue_index != BEACON_QUEUE)
1816 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1820 pdesc = &ring->desc[idx];
1821 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
1823 "No more TX desc@%d, ring->idx = %d, idx = %d, skblen = 0x%x queuelen=%d",
1824 tcb_desc->queue_index, ring->idx, idx, skb->len,
1825 skb_queue_len(&ring->queue));
1826 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1830 if (type == RTLLIB_FTYPE_DATA) {
1831 if (priv->rtllib->LedControlHandler)
1832 priv->rtllib->LedControlHandler(dev, LED_CTL_TX);
1834 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb);
1835 __skb_queue_tail(&ring->queue, skb);
1837 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1838 dev->trans_start = jiffies;
1840 write_nic_word(dev, TPPoll, 0x01 << tcb_desc->queue_index);
1844 static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
1846 struct r8192_priv *priv = rtllib_priv(dev);
1847 struct rx_desc *entry = NULL;
1848 int i, rx_queue_idx;
1850 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
1851 priv->rx_ring[rx_queue_idx] = pci_zalloc_consistent(priv->pdev,
1852 sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount,
1853 &priv->rx_ring_dma[rx_queue_idx]);
1854 if (!priv->rx_ring[rx_queue_idx] ||
1855 (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
1856 netdev_warn(dev, "Cannot allocate RX ring\n");
1860 priv->rx_idx[rx_queue_idx] = 0;
1862 for (i = 0; i < priv->rxringcount; i++) {
1863 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1864 dma_addr_t *mapping;
1866 entry = &priv->rx_ring[rx_queue_idx][i];
1870 priv->rx_buf[rx_queue_idx][i] = skb;
1871 mapping = (dma_addr_t *)skb->cb;
1872 *mapping = pci_map_single(priv->pdev,
1873 skb_tail_pointer_rsl(skb),
1875 PCI_DMA_FROMDEVICE);
1876 if (pci_dma_mapping_error(priv->pdev, *mapping)) {
1877 dev_kfree_skb_any(skb);
1880 entry->BufferAddress = *mapping;
1882 entry->Length = priv->rxbuffersize;
1892 static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
1893 unsigned int prio, unsigned int entries)
1895 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1896 struct tx_desc *ring;
1900 ring = pci_zalloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1901 if (!ring || (unsigned long)ring & 0xFF) {
1902 netdev_warn(dev, "Cannot allocate TX ring (prio = %d)\n", prio);
1906 priv->tx_ring[prio].desc = ring;
1907 priv->tx_ring[prio].dma = dma;
1908 priv->tx_ring[prio].idx = 0;
1909 priv->tx_ring[prio].entries = entries;
1910 skb_queue_head_init(&priv->tx_ring[prio].queue);
1912 for (i = 0; i < entries; i++)
1913 ring[i].NextDescAddress =
1914 (u32)dma + ((i + 1) % entries) *
1920 static short rtl8192_pci_initdescring(struct net_device *dev)
1924 struct r8192_priv *priv = rtllib_priv(dev);
1926 ret = rtl8192_alloc_rx_desc_ring(dev);
1930 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1931 ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount);
1933 goto err_free_rings;
1939 rtl8192_free_rx_ring(dev);
1940 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1941 if (priv->tx_ring[i].desc)
1942 rtl8192_free_tx_ring(dev, i);
1946 void rtl8192_pci_resetdescring(struct net_device *dev)
1948 struct r8192_priv *priv = rtllib_priv(dev);
1949 int i, rx_queue_idx;
1950 unsigned long flags = 0;
1952 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
1953 if (priv->rx_ring[rx_queue_idx]) {
1954 struct rx_desc *entry = NULL;
1956 for (i = 0; i < priv->rxringcount; i++) {
1957 entry = &priv->rx_ring[rx_queue_idx][i];
1960 priv->rx_idx[rx_queue_idx] = 0;
1964 spin_lock_irqsave(&priv->irq_th_lock, flags);
1965 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1966 if (priv->tx_ring[i].desc) {
1967 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
1969 while (skb_queue_len(&ring->queue)) {
1970 struct tx_desc *entry = &ring->desc[ring->idx];
1971 struct sk_buff *skb =
1972 __skb_dequeue(&ring->queue);
1974 pci_unmap_single(priv->pdev,
1976 skb->len, PCI_DMA_TODEVICE);
1978 ring->idx = (ring->idx + 1) % ring->entries;
1983 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1986 void rtl819x_UpdateRxPktTimeStamp(struct net_device *dev,
1987 struct rtllib_rx_stats *stats)
1989 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1991 if (stats->bIsAMPDU && !stats->bFirstMPDU)
1992 stats->mac_time = priv->LastRxDescTSF;
1994 priv->LastRxDescTSF = stats->mac_time;
1997 long rtl819x_translate_todbm(struct r8192_priv *priv, u8 signal_strength_index)
2001 signal_power = (long)((signal_strength_index + 1) >> 1);
2004 return signal_power;
2009 rtl819x_update_rxsignalstatistics8190pci(
2010 struct r8192_priv *priv,
2011 struct rtllib_rx_stats *pprevious_stats
2017 if (priv->stats.recv_signal_power == 0)
2018 priv->stats.recv_signal_power =
2019 pprevious_stats->RecvSignalPower;
2021 if (pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
2023 else if (pprevious_stats->RecvSignalPower <
2024 priv->stats.recv_signal_power)
2026 priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 +
2027 pprevious_stats->RecvSignalPower +
2031 u8 rtl819x_query_rxpwrpercentage(char antpower)
2033 if ((antpower <= -100) || (antpower >= 20))
2035 else if (antpower >= 0)
2038 return 100 + antpower;
2040 } /* QueryRxPwrPercentage */
2043 rtl819x_evm_dbtopercentage(
2055 ret_val = 0 - ret_val;
2063 rtl8192_record_rxdesc_forlateruse(
2064 struct rtllib_rx_stats *psrc_stats,
2065 struct rtllib_rx_stats *ptarget_stats
2068 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
2069 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
2074 static void rtl8192_rx_normal(struct net_device *dev)
2076 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2077 struct rtllib_hdr_1addr *rtllib_hdr = NULL;
2078 bool unicast_packet = false;
2079 bool bLedBlinking = true;
2080 u16 fc = 0, type = 0;
2082 int rx_queue_idx = RX_MPDU_QUEUE;
2084 struct rtllib_rx_stats stats = {
2088 .freq = RTLLIB_24GHZ_BAND,
2090 unsigned int count = priv->rxringcount;
2092 stats.nic_type = NIC_8192E;
2095 struct rx_desc *pdesc = &priv->rx_ring[rx_queue_idx]
2096 [priv->rx_idx[rx_queue_idx]];
2097 struct sk_buff *skb = priv->rx_buf[rx_queue_idx]
2098 [priv->rx_idx[rx_queue_idx]];
2099 struct sk_buff *new_skb;
2103 if (!priv->ops->rx_query_status_descriptor(dev, &stats,
2106 new_skb = dev_alloc_skb(priv->rxbuffersize);
2107 /* if allocation of new skb failed - drop current packet
2110 if (unlikely(!new_skb))
2113 pci_unmap_single(priv->pdev,
2114 *((dma_addr_t *)skb->cb),
2116 PCI_DMA_FROMDEVICE);
2118 skb_put(skb, pdesc->Length);
2119 skb_reserve(skb, stats.RxDrvInfoSize +
2121 skb_trim(skb, skb->len - 4/*sCrcLng*/);
2122 rtllib_hdr = (struct rtllib_hdr_1addr *)skb->data;
2123 if (!is_multicast_ether_addr(rtllib_hdr->addr1)) {
2124 /* unicast packet */
2125 unicast_packet = true;
2127 fc = le16_to_cpu(rtllib_hdr->frame_ctl);
2128 type = WLAN_FC_GET_TYPE(fc);
2129 if (type == RTLLIB_FTYPE_MGMT)
2130 bLedBlinking = false;
2133 if (priv->rtllib->LedControlHandler)
2134 priv->rtllib->LedControlHandler(dev,
2138 if (type != RTLLIB_FTYPE_MGMT)
2139 priv->stats.rxdatacrcerr++;
2141 priv->stats.rxmgmtcrcerr++;
2146 if (!rtllib_rx(priv->rtllib, skb, &stats)) {
2147 dev_kfree_skb_any(skb);
2151 priv->stats.rxbytesunicast += skb_len;
2157 priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] =
2159 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev,
2160 skb_tail_pointer_rsl(skb),
2162 PCI_DMA_FROMDEVICE);
2163 if (pci_dma_mapping_error(priv->pdev,
2164 *((dma_addr_t *)skb->cb))) {
2165 dev_kfree_skb_any(skb);
2169 pdesc->BufferAddress = *((dma_addr_t *)skb->cb);
2171 pdesc->Length = priv->rxbuffersize;
2172 if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1)
2174 priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) %
2180 static void rtl8192_tx_resume(struct net_device *dev)
2182 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2183 struct rtllib_device *ieee = priv->rtllib;
2184 struct sk_buff *skb;
2187 for (queue_index = BK_QUEUE;
2188 queue_index < MAX_QUEUE_SIZE; queue_index++) {
2189 while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index])) &&
2190 (priv->rtllib->check_nic_enough_desc(dev, queue_index) > 0)) {
2191 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
2192 ieee->softmac_data_hard_start_xmit(skb, dev, 0);
2197 static void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
2199 rtl8192_tx_resume(priv->rtllib->dev);
2202 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
2204 rtl8192_rx_normal(priv->rtllib->dev);
2206 write_nic_dword(priv->rtllib->dev, INTA_MASK,
2207 read_nic_dword(priv->rtllib->dev, INTA_MASK) | IMR_RDU);
2210 /****************************************************************************
2211 ---------------------------- NIC START/CLOSE STUFF---------------------------
2212 *****************************************************************************/
2213 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
2215 cancel_delayed_work(&priv->watch_dog_wq);
2216 cancel_delayed_work(&priv->update_beacon_wq);
2217 cancel_delayed_work(&priv->rtllib->hw_sleep_wq);
2218 cancel_work_sync(&priv->reset_wq);
2219 cancel_work_sync(&priv->qos_activate);
2222 static int _rtl8192_up(struct net_device *dev, bool is_silent_reset)
2224 if (_rtl8192_sta_up(dev, is_silent_reset) == -1)
2229 static int rtl8192_open(struct net_device *dev)
2231 struct r8192_priv *priv = rtllib_priv(dev);
2234 down(&priv->wx_sem);
2235 ret = rtl8192_up(dev);
2241 static int rtl8192_up(struct net_device *dev)
2243 struct r8192_priv *priv = rtllib_priv(dev);
2247 return _rtl8192_up(dev, false);
2251 static int rtl8192_close(struct net_device *dev)
2253 struct r8192_priv *priv = rtllib_priv(dev);
2256 if ((rtllib_act_scanning(priv->rtllib, false)) &&
2257 !(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)) {
2258 rtllib_stop_scan(priv->rtllib);
2261 down(&priv->wx_sem);
2263 ret = rtl8192_down(dev, true);
2271 static int rtl8192_down(struct net_device *dev, bool shutdownrf)
2273 if (rtl8192_sta_down(dev, shutdownrf) == -1)
2279 void rtl8192_commit(struct net_device *dev)
2281 struct r8192_priv *priv = rtllib_priv(dev);
2285 rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
2286 rtl8192_irq_disable(dev);
2287 priv->ops->stop_adapter(dev, true);
2288 _rtl8192_up(dev, false);
2291 static void rtl8192_restart(void *data)
2293 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
2295 struct net_device *dev = priv->rtllib->dev;
2297 down(&priv->wx_sem);
2299 rtl8192_commit(dev);
2304 static void r8192_set_multicast(struct net_device *dev)
2306 struct r8192_priv *priv = rtllib_priv(dev);
2309 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2310 priv->promisc = promisc;
2315 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
2317 struct r8192_priv *priv = rtllib_priv(dev);
2318 struct sockaddr *addr = mac;
2320 down(&priv->wx_sem);
2322 ether_addr_copy(dev->dev_addr, addr->sa_data);
2324 schedule_work(&priv->reset_wq);
2330 /* based on ipw2200 driver */
2331 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2333 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2334 struct iwreq *wrq = (struct iwreq *)rq;
2336 struct rtllib_device *ieee = priv->rtllib;
2338 const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2339 struct iw_point *p = &wrq->u.data;
2340 struct ieee_param *ipw = NULL;
2342 down(&priv->wx_sem);
2345 case RTL_IOCTL_WPA_SUPPLICANT:
2346 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
2351 ipw = memdup_user(p->pointer, p->length);
2357 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
2358 if (ipw->u.crypt.set_tx) {
2359 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2360 ieee->pairwise_key_type = KEY_TYPE_CCMP;
2361 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2362 ieee->pairwise_key_type = KEY_TYPE_TKIP;
2363 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2364 if (ipw->u.crypt.key_len == 13)
2365 ieee->pairwise_key_type =
2367 else if (ipw->u.crypt.key_len == 5)
2368 ieee->pairwise_key_type =
2371 ieee->pairwise_key_type = KEY_TYPE_NA;
2374 if (ieee->pairwise_key_type) {
2375 if (is_zero_ether_addr(ieee->ap_mac_addr))
2376 ieee->iw_mode = IW_MODE_ADHOC;
2377 memcpy((u8 *)key, ipw->u.crypt.key, 16);
2378 EnableHWSecurityConfig8192(dev);
2379 set_swcam(dev, 4, ipw->u.crypt.idx,
2380 ieee->pairwise_key_type,
2381 (u8 *)ieee->ap_mac_addr,
2383 setKey(dev, 4, ipw->u.crypt.idx,
2384 ieee->pairwise_key_type,
2385 (u8 *)ieee->ap_mac_addr, 0, key);
2386 if (ieee->iw_mode == IW_MODE_ADHOC) {
2387 set_swcam(dev, ipw->u.crypt.idx,
2389 ieee->pairwise_key_type,
2390 (u8 *)ieee->ap_mac_addr,
2392 setKey(dev, ipw->u.crypt.idx,
2394 ieee->pairwise_key_type,
2395 (u8 *)ieee->ap_mac_addr,
2399 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP)
2400 && ieee->pHTInfo->bCurrentHTSupport) {
2401 write_nic_byte(dev, 0x173, 1);
2405 memcpy((u8 *)key, ipw->u.crypt.key, 16);
2406 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2407 ieee->group_key_type = KEY_TYPE_CCMP;
2408 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2409 ieee->group_key_type = KEY_TYPE_TKIP;
2410 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2411 if (ipw->u.crypt.key_len == 13)
2412 ieee->group_key_type =
2414 else if (ipw->u.crypt.key_len == 5)
2415 ieee->group_key_type =
2418 ieee->group_key_type = KEY_TYPE_NA;
2420 if (ieee->group_key_type) {
2421 set_swcam(dev, ipw->u.crypt.idx,
2423 ieee->group_key_type,
2424 broadcast_addr, 0, key, 0);
2425 setKey(dev, ipw->u.crypt.idx,
2427 ieee->group_key_type,
2428 broadcast_addr, 0, key);
2433 ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data,
2449 static irqreturn_t rtl8192_interrupt(int irq, void *netdev)
2451 struct net_device *dev = (struct net_device *) netdev;
2452 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2453 unsigned long flags;
2459 if (priv->irq_enabled == 0)
2462 spin_lock_irqsave(&priv->irq_th_lock, flags);
2464 priv->ops->interrupt_recognized(dev, &inta, &intb);
2465 priv->stats.shints++;
2468 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2472 if (inta == 0xffff) {
2473 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2479 if (!netif_running(dev)) {
2480 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2484 if (inta & IMR_TBDOK) {
2485 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2486 priv->stats.txbeaconokint++;
2489 if (inta & IMR_TBDER) {
2490 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2491 priv->stats.txbeaconerr++;
2494 if (inta & IMR_BDOK)
2495 RT_TRACE(COMP_INTR, "beacon interrupt!\n");
2497 if (inta & IMR_MGNTDOK) {
2498 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
2499 priv->stats.txmanageokint++;
2500 rtl8192_tx_isr(dev, MGNT_QUEUE);
2501 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2502 if (priv->rtllib->ack_tx_to_ieee) {
2503 if (rtl8192_is_tx_queue_empty(dev)) {
2504 priv->rtllib->ack_tx_to_ieee = 0;
2505 rtllib_ps_tx_ack(priv->rtllib, 1);
2508 spin_lock_irqsave(&priv->irq_th_lock, flags);
2511 if (inta & IMR_COMDOK) {
2512 priv->stats.txcmdpktokint++;
2513 rtl8192_tx_isr(dev, TXCMD_QUEUE);
2516 if (inta & IMR_HIGHDOK)
2517 rtl8192_tx_isr(dev, HIGH_QUEUE);
2519 if (inta & IMR_ROK) {
2520 priv->stats.rxint++;
2521 priv->InterruptLog.nIMR_ROK++;
2522 tasklet_schedule(&priv->irq_rx_tasklet);
2525 if (inta & IMR_BcnInt) {
2526 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
2527 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
2530 if (inta & IMR_RDU) {
2531 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
2532 priv->stats.rxrdu++;
2533 write_nic_dword(dev, INTA_MASK,
2534 read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
2535 tasklet_schedule(&priv->irq_rx_tasklet);
2538 if (inta & IMR_RXFOVW) {
2539 RT_TRACE(COMP_INTR, "rx overflow !\n");
2540 priv->stats.rxoverflow++;
2541 tasklet_schedule(&priv->irq_rx_tasklet);
2544 if (inta & IMR_TXFOVW)
2545 priv->stats.txoverflow++;
2547 if (inta & IMR_BKDOK) {
2548 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
2549 priv->stats.txbkokint++;
2550 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2551 rtl8192_tx_isr(dev, BK_QUEUE);
2554 if (inta & IMR_BEDOK) {
2555 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
2556 priv->stats.txbeokint++;
2557 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2558 rtl8192_tx_isr(dev, BE_QUEUE);
2561 if (inta & IMR_VIDOK) {
2562 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
2563 priv->stats.txviokint++;
2564 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2565 rtl8192_tx_isr(dev, VI_QUEUE);
2568 if (inta & IMR_VODOK) {
2569 priv->stats.txvookint++;
2570 RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n");
2571 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2572 rtl8192_tx_isr(dev, VO_QUEUE);
2575 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2584 /****************************************************************************
2585 ---------------------------- PCI_STUFF---------------------------
2586 *****************************************************************************/
2587 static const struct net_device_ops rtl8192_netdev_ops = {
2588 .ndo_open = rtl8192_open,
2589 .ndo_stop = rtl8192_close,
2590 .ndo_tx_timeout = rtl8192_tx_timeout,
2591 .ndo_do_ioctl = rtl8192_ioctl,
2592 .ndo_set_rx_mode = r8192_set_multicast,
2593 .ndo_set_mac_address = r8192_set_mac_adr,
2594 .ndo_validate_addr = eth_validate_addr,
2595 .ndo_change_mtu = eth_change_mtu,
2596 .ndo_start_xmit = rtllib_xmit,
2599 static int rtl8192_pci_probe(struct pci_dev *pdev,
2600 const struct pci_device_id *id)
2602 unsigned long ioaddr = 0;
2603 struct net_device *dev = NULL;
2604 struct r8192_priv *priv = NULL;
2605 struct rtl819x_ops *ops = (struct rtl819x_ops *)(id->driver_data);
2606 unsigned long pmem_start, pmem_len, pmem_flags;
2610 RT_TRACE(COMP_INIT, "Configuring chip resources");
2612 if (pci_enable_device(pdev)) {
2613 dev_err(&pdev->dev, "Failed to enable PCI device");
2617 pci_set_master(pdev);
2619 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
2620 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
2621 dev_info(&pdev->dev,
2622 "Unable to obtain 32bit DMA for consistent allocations\n");
2623 goto err_pci_disable;
2626 dev = alloc_rtllib(sizeof(struct r8192_priv));
2628 goto err_pci_disable;
2632 pci_set_drvdata(pdev, dev);
2633 SET_NETDEV_DEV(dev, &pdev->dev);
2634 priv = rtllib_priv(dev);
2635 priv->rtllib = (struct rtllib_device *)netdev_priv_rsl(dev);
2637 priv->rtllib->pdev = pdev;
2638 if ((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK) &&
2639 (pdev->subsystem_device == 0x3304))
2640 priv->rtllib->bSupportRemoteWakeUp = 1;
2642 priv->rtllib->bSupportRemoteWakeUp = 0;
2644 pmem_start = pci_resource_start(pdev, 1);
2645 pmem_len = pci_resource_len(pdev, 1);
2646 pmem_flags = pci_resource_flags(pdev, 1);
2648 if (!(pmem_flags & IORESOURCE_MEM)) {
2649 netdev_err(dev, "region #1 not a MMIO resource, aborting");
2650 goto err_rel_rtllib;
2653 dev_info(&pdev->dev, "Memory mapped space start: 0x%08lx\n",
2655 if (!request_mem_region(pmem_start, pmem_len, DRV_NAME)) {
2656 netdev_err(dev, "request_mem_region failed!");
2657 goto err_rel_rtllib;
2661 ioaddr = (unsigned long)ioremap_nocache(pmem_start, pmem_len);
2662 if (ioaddr == (unsigned long)NULL) {
2663 netdev_err(dev, "ioremap failed!");
2667 dev->mem_start = ioaddr;
2668 dev->mem_end = ioaddr + pci_resource_len(pdev, 0);
2670 pci_read_config_byte(pdev, 0x08, &revision_id);
2671 /* If the revisionid is 0x10, the device uses rtl8192se. */
2672 if (pdev->device == 0x8192 && revision_id == 0x10)
2677 if (rtl8192_pci_findadapter(pdev, dev) == false)
2680 dev->irq = pdev->irq;
2683 dev->netdev_ops = &rtl8192_netdev_ops;
2685 dev->wireless_handlers = &r8192_wx_handlers_def;
2686 dev->ethtool_ops = &rtl819x_ethtool_ops;
2688 dev->type = ARPHRD_ETHER;
2689 dev->watchdog_timeo = HZ * 3;
2691 if (dev_alloc_name(dev, ifname) < 0) {
2693 "Oops: devname already taken! Trying wlan%%d...\n");
2694 dev_alloc_name(dev, ifname);
2697 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
2698 if (rtl8192_init(dev) != 0) {
2699 netdev_warn(dev, "Initialization failed");
2703 netif_carrier_off(dev);
2704 netif_stop_queue(dev);
2706 if (register_netdev(dev))
2708 RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name);
2710 if (priv->polling_timer_on == 0)
2711 check_rfctrl_gpio_timer((unsigned long)dev);
2713 RT_TRACE(COMP_INIT, "Driver probe completed\n");
2717 free_irq(dev->irq, dev);
2720 release_mem_region(pmem_start, pmem_len);
2724 pci_disable_device(pdev);
2728 static void rtl8192_pci_disconnect(struct pci_dev *pdev)
2730 struct net_device *dev = pci_get_drvdata(pdev);
2731 struct r8192_priv *priv;
2735 unregister_netdev(dev);
2737 priv = rtllib_priv(dev);
2739 del_timer_sync(&priv->gpio_polling_timer);
2740 cancel_delayed_work(&priv->gpio_change_rf_wq);
2741 priv->polling_timer_on = 0;
2742 rtl8192_down(dev, true);
2744 if (priv->pFirmware) {
2745 vfree(priv->pFirmware);
2746 priv->pFirmware = NULL;
2748 destroy_workqueue(priv->priv_wq);
2749 rtl8192_free_rx_ring(dev);
2750 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
2751 rtl8192_free_tx_ring(dev, i);
2754 dev_info(&pdev->dev, "Freeing irq %d\n", dev->irq);
2755 free_irq(dev->irq, dev);
2760 if (dev->mem_start != 0) {
2761 iounmap((void __iomem *)dev->mem_start);
2762 release_mem_region(pci_resource_start(pdev, 1),
2763 pci_resource_len(pdev, 1));
2766 priv = rtllib_priv(dev);
2769 pci_disable_device(pdev);
2770 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
2773 bool NicIFEnableNIC(struct net_device *dev)
2775 bool init_status = true;
2776 struct r8192_priv *priv = rtllib_priv(dev);
2777 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
2778 (&(priv->rtllib->PowerSaveControl));
2781 netdev_warn(dev, "%s(): Driver is already down!\n", __func__);
2782 priv->bdisable_nic = false;
2786 RT_TRACE(COMP_PS, "===========>%s()\n", __func__);
2787 priv->bfirst_init = true;
2788 init_status = priv->ops->initialize_adapter(dev);
2790 netdev_warn(dev, "%s(): Initialization failed!\n", __func__);
2791 priv->bdisable_nic = false;
2794 RT_TRACE(COMP_INIT, "start adapter finished\n");
2795 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
2796 priv->bfirst_init = false;
2798 rtl8192_irq_enable(dev);
2799 priv->bdisable_nic = false;
2800 RT_TRACE(COMP_PS, "<===========%s()\n", __func__);
2803 bool NicIFDisableNIC(struct net_device *dev)
2805 struct r8192_priv *priv = rtllib_priv(dev);
2808 RT_TRACE(COMP_PS, "=========>%s()\n", __func__);
2809 priv->bdisable_nic = true;
2810 tmp_state = priv->rtllib->state;
2811 rtllib_softmac_stop_protocol(priv->rtllib, 0, false);
2812 priv->rtllib->state = tmp_state;
2813 rtl8192_cancel_deferred_work(priv);
2814 rtl8192_irq_disable(dev);
2816 priv->ops->stop_adapter(dev, false);
2817 RT_TRACE(COMP_PS, "<=========%s()\n", __func__);
2822 static int __init rtl8192_pci_module_init(void)
2824 pr_info("\nLinux kernel driver for RTL8192E WLAN cards\n");
2825 pr_info("Copyright (c) 2007-2008, Realsil Wlan Driver\n");
2827 if (0 != pci_register_driver(&rtl8192_pci_driver)) {
2828 /*pci_unregister_driver (&rtl8192_pci_driver);*/
2834 static void __exit rtl8192_pci_module_exit(void)
2836 pci_unregister_driver(&rtl8192_pci_driver);
2838 RT_TRACE(COMP_DOWN, "Exiting");
2841 void check_rfctrl_gpio_timer(unsigned long data)
2843 struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
2845 priv->polling_timer_on = 1;
2847 queue_delayed_work_rsl(priv->priv_wq, &priv->gpio_change_rf_wq, 0);
2849 mod_timer(&priv->gpio_polling_timer, jiffies +
2850 msecs_to_jiffies(RTLLIB_WATCH_DOG_TIME));
2853 /***************************************************************************
2854 ------------------- module init / exit stubs ----------------
2855 ****************************************************************************/
2856 module_init(rtl8192_pci_module_init);
2857 module_exit(rtl8192_pci_module_exit);
2859 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
2860 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
2861 MODULE_VERSION(DRV_VERSION);
2862 MODULE_LICENSE("GPL");
2863 MODULE_FIRMWARE(RTL8192E_BOOT_IMG_FW);
2864 MODULE_FIRMWARE(RTL8192E_MAIN_IMG_FW);
2865 MODULE_FIRMWARE(RTL8192E_DATA_IMG_FW);
2867 module_param(ifname, charp, S_IRUGO|S_IWUSR);
2868 module_param(hwwep, int, S_IRUGO|S_IWUSR);
2869 module_param(channels, int, S_IRUGO|S_IWUSR);
2871 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
2872 MODULE_PARM_DESC(hwwep, " Try to use hardware WEP support(default use hw. set 0 to use software security)");
2873 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");