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 <andreamrl@tiscali.it>, 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 ******************************************************************************/
26 #undef RX_DONT_PASS_UL
28 #undef DEBUG_RX_VERBOSE
34 #undef DEBUG_TX_FILLDESC
39 #undef DEBUG_REGISTERS
41 #undef DEBUG_IRQ_TASKLET
45 #include <asm/uaccess.h>
46 #include <linux/pci.h>
48 #include "r8192E_phy.h"
49 #include "r8192E_phyreg.h"
50 #include "r8190P_rtl8256.h"
51 #include "r8192E_cmdpkt.h"
61 static int channels = 0x3fff;
62 char* ifname = "wlan%d";
65 struct rtl819x_ops rtl819xp_ops = {
66 .nic_type = NIC_8192E,
67 .get_eeprom_size = rtl8192_get_eeprom_size,
68 .init_adapter_variable = rtl8192_InitializeVariables,
69 .initialize_adapter = rtl8192_adapter_start,
70 .link_change = rtl8192_link_change,
71 .tx_fill_descriptor = rtl8192_tx_fill_desc,
72 .tx_fill_cmd_descriptor = rtl8192_tx_fill_cmd_desc,
73 .rx_query_status_descriptor = rtl8192_rx_query_status_desc,
74 .rx_command_packet_handler = NULL,
75 .stop_adapter = rtl8192_halt_adapter,
76 .update_ratr_table = rtl8192_update_ratr_table,
77 .irq_enable = rtl8192_EnableInterrupt,
78 .irq_disable = rtl8192_DisableInterrupt,
79 .irq_clear = rtl8192_ClearInterrupt,
80 .rx_enable = rtl8192_enable_rx,
81 .tx_enable = rtl8192_enable_tx,
82 .interrupt_recognized = rtl8192_interrupt_recognized,
83 .TxCheckStuckHandler = rtl8192_HalTxCheckStuck,
84 .RxCheckStuckHandler = rtl8192_HalRxCheckStuck,
87 static struct pci_device_id rtl8192_pci_id_tbl[] __devinitdata = {
88 {RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)},
89 {RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)},
90 {RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)},
94 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
96 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
97 const struct pci_device_id *id);
98 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
100 static struct pci_driver rtl8192_pci_driver = {
101 .name = DRV_NAME, /* Driver name */
102 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
103 .probe = rtl8192_pci_probe, /* probe fn */
104 .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
105 .suspend = rtl8192E_suspend, /* PM suspend fn */
106 .resume = rtl8192E_resume, /* PM resume fn */
109 /****************************************************************************
110 -----------------------------IO STUFF-------------------------
111 *****************************************************************************/
113 PlatformIOCheckPageLegalAndGetRegMask(
118 bool bReturn = false;
119 *pu1bPageMask = 0xfe;
123 case 1: case 2: case 3: case 4:
124 case 8: case 9: case 10: case 12: case 13:
126 *pu1bPageMask = 0xf0;
137 void write_nic_io_byte(struct net_device *dev, int x,u8 y)
139 u32 u4bPage = (x >> 8);
141 bool bIsLegalPage = false;
145 outb(y&0xff,dev->base_addr +x);
148 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
151 u8 u1bPsr = read_nic_io_byte(dev, PSR);
153 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
154 write_nic_io_byte(dev, (x & 0xff), y);
155 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
166 void write_nic_io_word(struct net_device *dev, int x,u16 y)
168 u32 u4bPage = (x >> 8);
170 bool bIsLegalPage = false;
174 outw(y,dev->base_addr +x);
177 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
180 u8 u1bPsr = read_nic_io_byte(dev, PSR);
182 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
183 write_nic_io_word(dev, (x & 0xff), y);
184 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
194 void write_nic_io_dword(struct net_device *dev, int x,u32 y)
196 u32 u4bPage = (x >> 8);
198 bool bIsLegalPage = false;
202 outl(y,dev->base_addr +x);
205 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
208 u8 u1bPsr = read_nic_io_byte(dev, PSR);
210 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
211 write_nic_io_dword(dev, (x & 0xff), y);
212 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
221 u8 read_nic_io_byte(struct net_device *dev, int x)
223 u32 u4bPage = (x >> 8);
225 bool bIsLegalPage = false;
230 return 0xff&inb(dev->base_addr +x);
233 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
236 u8 u1bPsr = read_nic_io_byte(dev, PSR);
238 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
239 Data = read_nic_io_byte(dev, (x & 0xff));
240 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
251 u16 read_nic_io_word(struct net_device *dev, int x)
253 u32 u4bPage = (x >> 8);
255 bool bIsLegalPage = false;
260 return inw(dev->base_addr +x);
263 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
266 u8 u1bPsr = read_nic_io_byte(dev, PSR);
268 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
269 Data = read_nic_io_word(dev, (x & 0xff));
270 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
281 u32 read_nic_io_dword(struct net_device *dev, int x)
283 u32 u4bPage = (x >> 8);
285 bool bIsLegalPage = false;
290 return inl(dev->base_addr +x);
293 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
296 u8 u1bPsr = read_nic_io_byte(dev, PSR);
298 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
299 Data = read_nic_io_dword(dev, (x & 0xff));
300 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
311 u8 read_nic_byte(struct net_device *dev, int x)
313 return 0xff&readb((u8*)dev->mem_start +x);
316 u32 read_nic_dword(struct net_device *dev, int x)
318 return readl((u8*)dev->mem_start +x);
321 u16 read_nic_word(struct net_device *dev, int x)
323 return readw((u8*)dev->mem_start +x);
326 void write_nic_byte(struct net_device *dev, int x,u8 y)
328 writeb(y,(u8*)dev->mem_start +x);
333 void write_nic_dword(struct net_device *dev, int x,u32 y)
335 writel(y,(u8*)dev->mem_start +x);
340 void write_nic_word(struct net_device *dev, int x,u16 y)
342 writew(y,(u8*)dev->mem_start +x);
347 /****************************************************************************
348 -----------------------------GENERAL FUNCTION-------------------------
349 *****************************************************************************/
352 struct net_device* dev,
353 RT_RF_POWER_STATE StateToSet,
354 RT_RF_CHANGE_SOURCE ChangeSource,
358 struct r8192_priv *priv = rtllib_priv(dev);
359 struct rtllib_device * ieee = priv->rtllib;
360 bool bActionAllowed = false;
361 bool bConnectBySSID = false;
362 RT_RF_POWER_STATE rtState;
363 u16 RFWaitCounter = 0;
365 RT_TRACE((COMP_PS | COMP_RF), "===>MgntActSet_RF_State(): StateToSet(%d)\n",StateToSet);
367 ProtectOrNot = false;
374 spin_lock_irqsave(&priv->rf_ps_lock,flag);
375 if (priv->RFChangeInProgress)
377 spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
378 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): RF Change in progress! Wait to set..StateToSet(%d).\n", StateToSet);
380 while(priv->RFChangeInProgress)
383 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Wait 1 ms (%d times)...\n", RFWaitCounter);
386 if (RFWaitCounter > 100)
388 RT_TRACE(COMP_ERR, "MgntActSet_RF_State(): Wait too logn to set RF\n");
395 priv->RFChangeInProgress = true;
396 spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
402 rtState = priv->rtllib->eRFPowerState;
408 priv->rtllib->RfOffReason &= (~ChangeSource);
410 if ((ChangeSource == RF_CHANGE_BY_HW) && (priv->bHwRadioOff == true)){
411 priv->bHwRadioOff = false;
414 if (! priv->rtllib->RfOffReason)
416 priv->rtllib->RfOffReason = 0;
417 bActionAllowed = true;
420 if (rtState == eRfOff && ChangeSource >=RF_CHANGE_BY_HW )
422 bConnectBySSID = true;
426 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State - eRfon reject pMgntInfo->RfOffReason= 0x%x, ChangeSource=0x%X\n", priv->rtllib->RfOffReason, ChangeSource);
433 if ((priv->rtllib->iw_mode == IW_MODE_INFRA) || (priv->rtllib->iw_mode == IW_MODE_ADHOC))
435 if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) || (ChangeSource > RF_CHANGE_BY_IPS))
437 if (ieee->state == RTLLIB_LINKED)
438 priv->blinked_ingpio = true;
440 priv->blinked_ingpio = false;
441 rtllib_MgntDisconnect(priv->rtllib,disas_lv_ss);
447 if ((ChangeSource == RF_CHANGE_BY_HW) && (priv->bHwRadioOff == false)){
448 priv->bHwRadioOff = true;
450 priv->rtllib->RfOffReason |= ChangeSource;
451 bActionAllowed = true;
455 priv->rtllib->RfOffReason |= ChangeSource;
456 bActionAllowed = true;
465 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is allowed.... StateToSet(%d), RfOffReason(%#X)\n", StateToSet, priv->rtllib->RfOffReason);
466 PHY_SetRFPowerState(dev, StateToSet);
467 if (StateToSet == eRfOn)
470 if (bConnectBySSID && (priv->blinked_ingpio == true))
472 queue_delayed_work_rsl(ieee->wq, &ieee->associate_procedure_wq, 0);
473 priv->blinked_ingpio = false;
478 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is rejected.... StateToSet(%d), ChangeSource(%#X), RfOffReason(%#X)\n", StateToSet, ChangeSource, priv->rtllib->RfOffReason);
483 spin_lock_irqsave(&priv->rf_ps_lock,flag);
484 priv->RFChangeInProgress = false;
485 spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
488 RT_TRACE((COMP_PS && COMP_RF), "<===MgntActSet_RF_State()\n");
489 return bActionAllowed;
493 short rtl8192_get_nic_desc_num(struct net_device *dev, int prio)
495 struct r8192_priv *priv = rtllib_priv(dev);
496 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
498 /* For now, we reserved two free descriptor as a safety boundary
499 * between the tail and the head
501 if ((prio == MGNT_QUEUE) &&(skb_queue_len(&ring->queue)>10))
502 RT_TRACE(COMP_DBG, "-----[%d]---------ring->idx=%d queue_len=%d---------\n",
503 prio,ring->idx, skb_queue_len(&ring->queue));
504 return skb_queue_len(&ring->queue);
507 short rtl8192_check_nic_enough_desc(struct net_device *dev, int prio)
509 struct r8192_priv *priv = rtllib_priv(dev);
510 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
512 if (ring->entries - skb_queue_len(&ring->queue) >= 2) {
519 void rtl8192_tx_timeout(struct net_device *dev)
521 struct r8192_priv *priv = rtllib_priv(dev);
523 schedule_work(&priv->reset_wq);
527 void rtl8192_irq_enable(struct net_device *dev)
529 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
530 priv->irq_enabled = 1;
532 priv->ops->irq_enable(dev);
535 void rtl8192_irq_disable(struct net_device *dev)
537 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
539 priv->ops->irq_disable(dev);
541 priv->irq_enabled = 0;
544 void rtl8192_irq_clear(struct net_device *dev)
546 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
548 priv->ops->irq_clear(dev);
552 void rtl8192_set_chan(struct net_device *dev,short ch)
554 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
556 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
557 if (priv->chan_forced)
566 if (priv->rf_set_chan)
567 priv->rf_set_chan(dev,priv->chan);
569 #ifdef CONFIG_FW_SETCHAN
570 priv->rtllib->SetFwCmdHandler(dev, FW_CMD_CHAN_SET);
576 void rtl8192_update_cap(struct net_device* dev, u16 cap)
578 struct r8192_priv *priv = rtllib_priv(dev);
579 struct rtllib_network *net = &priv->rtllib->current_network;
585 if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE)
587 if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT)
589 ShortPreamble = true;
590 priv->dot11CurrentPreambleMode = PREAMBLE_SHORT;
591 RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_SHORT_PREAMBLE\n", __func__);
592 priv->rtllib->SetHwRegHandler( dev, HW_VAR_ACK_PREAMBLE, (unsigned char *)&ShortPreamble );
597 if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG)
599 ShortPreamble = false;
600 priv->dot11CurrentPreambleMode = PREAMBLE_LONG;
601 RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_LONG_PREAMBLE\n", __func__);
602 priv->rtllib->SetHwRegHandler( dev, HW_VAR_ACK_PREAMBLE, (unsigned char *)&ShortPreamble );
607 if (net->mode & (IEEE_G|IEEE_N_24G))
610 u8 CurSlotTime = priv->slot_time;
612 if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) && (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime))
614 if (CurSlotTime != SHORT_SLOT_TIME)
616 slot_time_val = SHORT_SLOT_TIME;
617 priv->rtllib->SetHwRegHandler( dev, HW_VAR_SLOT_TIME, &slot_time_val );
622 if (CurSlotTime != NON_SHORT_SLOT_TIME)
624 slot_time_val = NON_SHORT_SLOT_TIME;
625 priv->rtllib->SetHwRegHandler( dev, HW_VAR_SLOT_TIME, &slot_time_val );
631 static struct rtllib_qos_parameters def_qos_parameters = {
639 void rtl8192_update_beacon(void *data)
641 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, update_beacon_wq.work);
642 struct net_device *dev = priv->rtllib->dev;
643 struct rtllib_device* ieee = priv->rtllib;
644 struct rtllib_network* net = &ieee->current_network;
646 if (ieee->pHTInfo->bCurrentHTSupport)
647 HTUpdateSelfAndPeerSetting(ieee, net);
648 ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
649 ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode;
650 rtl8192_update_cap(dev, net->capability);
653 #define MOVE_INTO_HANDLER
654 int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
656 void rtl8192_qos_activate(void *data)
658 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, qos_activate);
659 struct net_device *dev = priv->rtllib->dev;
660 #ifndef MOVE_INTO_HANDLER
661 struct rtllib_qos_parameters *qos_parameters = &priv->rtllib->current_network.qos_data.parameters;
662 u8 mode = priv->rtllib->current_network.mode;
671 mutex_lock(&priv->mutex);
672 if (priv->rtllib->state != RTLLIB_LINKED)
674 RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
676 for (i = 0; i < QOS_QUEUE_NUM; i++) {
677 #ifndef MOVE_INTO_HANDLER
678 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
679 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
680 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
681 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
682 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
683 RT_TRACE(COMP_DBG, "===>ACI:%d:u4bAcParam:%x\n", i, u4bAcParam);
684 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
686 priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8*)(&i));
691 mutex_unlock(&priv->mutex);
694 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
696 struct rtllib_network *network)
699 u32 size = sizeof(struct rtllib_qos_parameters);
701 if (priv->rtllib->state !=RTLLIB_LINKED)
704 if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
707 if (network->flags & NETWORK_HAS_QOS_MASK) {
708 if (active_network &&
709 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
710 network->qos_data.active = network->qos_data.supported;
712 if ((network->qos_data.active == 1) && (active_network == 1) &&
713 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
714 (network->qos_data.old_param_count !=
715 network->qos_data.param_count)) {
716 network->qos_data.old_param_count =
717 network->qos_data.param_count;
718 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
719 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
720 RT_TRACE (COMP_QOS, "QoS parameters change call "
724 memcpy(&priv->rtllib->current_network.qos_data.parameters,\
725 &def_qos_parameters, size);
727 if ((network->qos_data.active == 1) && (active_network == 1)) {
728 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
729 RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate \n");
731 network->qos_data.active = 0;
732 network->qos_data.supported = 0;
738 static int rtl8192_handle_beacon(struct net_device * dev,
739 struct rtllib_beacon * beacon,
740 struct rtllib_network * network)
742 struct r8192_priv *priv = rtllib_priv(dev);
744 rtl8192_qos_handle_probe_response(priv,1,network);
746 queue_delayed_work_rsl(priv->priv_wq, &priv->update_beacon_wq, 0);
751 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
752 struct rtllib_network *network)
756 u32 size = sizeof(struct rtllib_qos_parameters);
757 int set_qos_param = 0;
759 if ((priv == NULL) || (network == NULL))
762 if (priv->rtllib->state !=RTLLIB_LINKED)
765 if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
768 spin_lock_irqsave(&priv->rtllib->lock, flags);
769 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
770 memcpy(&priv->rtllib->current_network.qos_data.parameters,\
771 &network->qos_data.parameters,\
772 sizeof(struct rtllib_qos_parameters));
773 priv->rtllib->current_network.qos_data.active = 1;
774 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
776 priv->rtllib->current_network.qos_data.old_param_count =
777 priv->rtllib->current_network.qos_data.param_count;
778 priv->rtllib->current_network.qos_data.param_count =
779 network->qos_data.param_count;
781 memcpy(&priv->rtllib->current_network.qos_data.parameters,
782 &def_qos_parameters, size);
783 priv->rtllib->current_network.qos_data.active = 0;
784 priv->rtllib->current_network.qos_data.supported = 0;
788 spin_unlock_irqrestore(&priv->rtllib->lock, flags);
790 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
791 network->flags ,priv->rtllib->current_network.qos_data.active);
792 if (set_qos_param == 1) {
793 dm_init_edca_turbo(priv->rtllib->dev);
794 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
799 static int rtl8192_handle_assoc_response(struct net_device *dev,
800 struct rtllib_assoc_response_frame *resp,
801 struct rtllib_network *network)
803 struct r8192_priv *priv = rtllib_priv(dev);
804 rtl8192_qos_association_resp(priv, network);
808 void rtl8192_prepare_beacon(struct r8192_priv *priv)
810 struct net_device *dev = priv->rtllib->dev;
811 struct sk_buff *pskb = NULL, *pnewskb = NULL;
812 cb_desc *tcb_desc = NULL;
813 struct rtl8192_tx_ring *ring = NULL;
814 tx_desc *pdesc = NULL;
816 ring = &priv->tx_ring[BEACON_QUEUE];
817 pskb = __skb_dequeue(&ring->queue);
821 pnewskb = rtllib_get_beacon(priv->rtllib);
825 tcb_desc = (cb_desc *)(pnewskb->cb + 8);
826 tcb_desc->queue_index = BEACON_QUEUE;
827 tcb_desc->data_rate = 2;
828 tcb_desc->RATRIndex = 7;
829 tcb_desc->bTxDisableRateFallBack = 1;
830 tcb_desc->bTxUseDriverAssingedRate = 1;
831 skb_push(pnewskb, priv->rtllib->tx_headroom);
833 pdesc = &ring->desc[0];
834 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
835 __skb_queue_tail(&ring->queue, pnewskb);
841 void rtl8192_stop_beacon(struct net_device *dev)
845 void rtl8192_config_rate(struct net_device* dev, u16* rate_config)
847 struct r8192_priv *priv = rtllib_priv(dev);
848 struct rtllib_network *net;
849 u8 i=0, basic_rate = 0;
850 net = & priv->rtllib->current_network;
852 for (i = 0; i < net->rates_len; i++) {
853 basic_rate = net->rates[i] & 0x7f;
854 switch (basic_rate) {
856 *rate_config |= RRSR_1M;
859 *rate_config |= RRSR_2M;
862 *rate_config |= RRSR_5_5M;
865 *rate_config |= RRSR_11M;
868 *rate_config |= RRSR_6M;
871 *rate_config |= RRSR_9M;
874 *rate_config |= RRSR_12M;
877 *rate_config |= RRSR_18M;
880 *rate_config |= RRSR_24M;
883 *rate_config |= RRSR_36M;
886 *rate_config |= RRSR_48M;
889 *rate_config |= RRSR_54M;
894 for (i = 0; i < net->rates_ex_len; i++) {
895 basic_rate = net->rates_ex[i] & 0x7f;
896 switch (basic_rate) {
898 *rate_config |= RRSR_1M;
901 *rate_config |= RRSR_2M;
904 *rate_config |= RRSR_5_5M;
907 *rate_config |= RRSR_11M;
910 *rate_config |= RRSR_6M;
913 *rate_config |= RRSR_9M;
916 *rate_config |= RRSR_12M;
919 *rate_config |= RRSR_18M;
922 *rate_config |= RRSR_24M;
925 *rate_config |= RRSR_36M;
928 *rate_config |= RRSR_48M;
931 *rate_config |= RRSR_54M;
937 void rtl8192_refresh_supportrate(struct r8192_priv* priv)
939 struct rtllib_device* ieee = priv->rtllib;
940 if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G) {
941 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
942 memcpy(ieee->Regdot11TxHTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
945 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
950 u8 rtl8192_getSupportedWireleeMode(struct net_device*dev)
952 struct r8192_priv *priv = rtllib_priv(dev);
955 switch (priv->rf_chip) {
960 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B);
963 ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G);
966 ret = WIRELESS_MODE_B;
972 void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
974 struct r8192_priv *priv = rtllib_priv(dev);
975 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
977 if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode & bSupportMode) == 0)) {
978 if (bSupportMode & WIRELESS_MODE_N_24G) {
979 wireless_mode = WIRELESS_MODE_N_24G;
980 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
981 wireless_mode = WIRELESS_MODE_N_5G;
982 } else if ((bSupportMode & WIRELESS_MODE_A)) {
983 wireless_mode = WIRELESS_MODE_A;
984 } else if ((bSupportMode & WIRELESS_MODE_G)) {
985 wireless_mode = WIRELESS_MODE_G;
986 } else if ((bSupportMode & WIRELESS_MODE_B)) {
987 wireless_mode = WIRELESS_MODE_B;
989 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported (%x)!!!\n",
990 __func__, bSupportMode);
991 wireless_mode = WIRELESS_MODE_B;
995 if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) == (WIRELESS_MODE_G | WIRELESS_MODE_B))
996 wireless_mode = WIRELESS_MODE_G;
998 priv->rtllib->mode = wireless_mode;
1000 ActUpdateChannelAccessSetting( dev, wireless_mode, &priv->ChannelAccessSetting);
1002 if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G)){
1003 priv->rtllib->pHTInfo->bEnableHT = 1;
1004 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n", __func__,wireless_mode);
1006 priv->rtllib->pHTInfo->bEnableHT = 0;
1007 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n", __func__,wireless_mode);
1010 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
1011 rtl8192_refresh_supportrate(priv);
1014 int _rtl8192_sta_up(struct net_device *dev,bool is_silent_reset)
1016 struct r8192_priv *priv = rtllib_priv(dev);
1017 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->rtllib->PowerSaveControl));
1018 bool init_status = true;
1019 priv->bDriverIsGoingToUnload = false;
1020 priv->bdisable_nic = false;
1023 priv->rtllib->ieee_up=1;
1025 priv->up_first_time = 0;
1026 RT_TRACE(COMP_INIT, "Bringing up iface");
1027 priv->bfirst_init = true;
1028 init_status = priv->ops->initialize_adapter(dev);
1029 if (init_status != true)
1031 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__func__);
1032 priv->bfirst_init = false;
1036 RT_TRACE(COMP_INIT, "start adapter finished\n");
1037 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
1038 priv->bfirst_init = false;
1040 if (priv->polling_timer_on == 0){
1041 check_rfctrl_gpio_timer((unsigned long)dev);
1044 if (priv->rtllib->state != RTLLIB_LINKED)
1045 rtllib_softmac_start_protocol(priv->rtllib, 0);
1046 rtllib_reset_queue(priv->rtllib);
1047 watch_dog_timer_callback((unsigned long) dev);
1050 if (!netif_queue_stopped(dev))
1051 netif_start_queue(dev);
1053 netif_wake_queue(dev);
1058 int rtl8192_sta_down(struct net_device *dev, bool shutdownrf)
1060 struct r8192_priv *priv = rtllib_priv(dev);
1061 unsigned long flags = 0;
1062 u8 RFInProgressTimeOut = 0;
1064 if (priv->up == 0) return -1;
1066 if (priv->rtllib->rtllib_ips_leave != NULL)
1067 priv->rtllib->rtllib_ips_leave(dev);
1069 if (priv->rtllib->state == RTLLIB_LINKED)
1070 LeisurePSLeave(dev);
1072 priv->bDriverIsGoingToUnload = true;
1074 priv->rtllib->ieee_up = 0;
1075 priv->bfirst_after_down = 1;
1076 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
1077 if (!netif_queue_stopped(dev))
1078 netif_stop_queue(dev);
1080 priv->rtllib->wpa_ie_len = 0;
1081 if (priv->rtllib->wpa_ie)
1082 kfree(priv->rtllib->wpa_ie);
1083 priv->rtllib->wpa_ie = NULL;
1084 CamResetAllEntry(dev);
1085 memset(priv->rtllib->swcamtable,0,sizeof(SW_CAM_TABLE)*32);
1086 rtl8192_irq_disable(dev);
1088 del_timer_sync(&priv->watch_dog_timer);
1089 rtl8192_cancel_deferred_work(priv);
1090 cancel_delayed_work(&priv->rtllib->hw_wakeup_wq);
1092 rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
1093 spin_lock_irqsave(&priv->rf_ps_lock,flags);
1094 while(priv->RFChangeInProgress)
1096 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
1097 if (RFInProgressTimeOut > 100)
1099 spin_lock_irqsave(&priv->rf_ps_lock,flags);
1102 RT_TRACE(COMP_DBG, "===>%s():RF is in progress, need to wait until rf chang is done.\n",__func__);
1104 RFInProgressTimeOut ++;
1105 spin_lock_irqsave(&priv->rf_ps_lock,flags);
1107 priv->RFChangeInProgress = true;
1108 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
1109 priv->ops->stop_adapter(dev, false);
1110 spin_lock_irqsave(&priv->rf_ps_lock,flags);
1111 priv->RFChangeInProgress = false;
1112 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
1114 memset(&priv->rtllib->current_network, 0 , offsetof(struct rtllib_network, list));
1115 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
1120 static void rtl8192_init_priv_handler(struct net_device* dev)
1122 struct r8192_priv *priv = rtllib_priv(dev);
1124 priv->rtllib->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1125 priv->rtllib->set_chan = rtl8192_set_chan;
1126 priv->rtllib->link_change = priv->ops->link_change;
1127 priv->rtllib->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1128 priv->rtllib->data_hard_stop = rtl8192_data_hard_stop;
1129 priv->rtllib->data_hard_resume = rtl8192_data_hard_resume;
1130 priv->rtllib->check_nic_enough_desc = rtl8192_check_nic_enough_desc;
1131 priv->rtllib->get_nic_desc_num = rtl8192_get_nic_desc_num;
1132 priv->rtllib->handle_assoc_response = rtl8192_handle_assoc_response;
1133 priv->rtllib->handle_beacon = rtl8192_handle_beacon;
1134 priv->rtllib->SetWirelessMode = rtl8192_SetWirelessMode;
1135 priv->rtllib->LeisurePSLeave = LeisurePSLeave;
1136 priv->rtllib->SetBWModeHandler = rtl8192_SetBWMode;
1137 priv->rf_set_chan = rtl8192_phy_SwChnl;
1139 #ifdef _ENABLE_SW_BEACON
1140 priv->rtllib->start_send_beacons = NULL;
1141 priv->rtllib->stop_send_beacons = NULL;
1143 priv->rtllib->start_send_beacons = rtl8192e_start_beacon;
1144 priv->rtllib->stop_send_beacons = rtl8192_stop_beacon;
1147 priv->rtllib->sta_wake_up = rtl8192_hw_wakeup;
1148 priv->rtllib->enter_sleep_state = rtl8192_hw_to_sleep;
1149 priv->rtllib->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1151 priv->rtllib->GetNmodeSupportBySecCfg = rtl8192_GetNmodeSupportBySecCfg;
1152 priv->rtllib->GetHalfNmodeSupportByAPsHandler = rtl8192_GetHalfNmodeSupportByAPs;
1154 priv->rtllib->SetHwRegHandler = rtl8192e_SetHwReg;
1155 priv->rtllib->AllowAllDestAddrHandler = rtl8192_AllowAllDestAddr;
1156 priv->rtllib->SetFwCmdHandler = NULL;
1157 priv->rtllib->InitialGainHandler = InitialGain819xPci;
1158 priv->rtllib->rtllib_ips_leave_wq = rtllib_ips_leave_wq;
1159 priv->rtllib->rtllib_ips_leave = rtllib_ips_leave;
1161 priv->rtllib->LedControlHandler = NULL;
1162 priv->rtllib->UpdateBeaconInterruptHandler = NULL;
1164 priv->rtllib->ScanOperationBackupHandler = PHY_ScanOperationBackup8192;
1166 #ifdef CONFIG_RTL_RFKILL
1167 priv->rtllib->rtllib_rfkill_poll = rtl8192_rfkill_poll;
1169 priv->rtllib->rtllib_rfkill_poll = NULL;
1173 static void rtl8192_init_priv_constant(struct net_device* dev)
1175 struct r8192_priv *priv = rtllib_priv(dev);
1176 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->rtllib->PowerSaveControl));
1178 pPSC->RegMaxLPSAwakeIntvl = 5;
1180 priv->RegPciASPM = 2;
1182 priv->RegDevicePciASPMSetting = 0x03;
1184 priv->RegHostPciASPMSetting = 0x02;
1186 priv->RegHwSwRfOffD3 = 2;
1188 priv->RegSupportPciASPM = 2;
1192 static void rtl8192_init_priv_variable(struct net_device* dev)
1194 struct r8192_priv *priv = rtllib_priv(dev);
1197 priv->AcmMethod = eAcmWay2_SW;
1198 priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
1199 priv->rtllib->hwscan_sem_up = 1;
1200 priv->rtllib->status = 0;
1201 priv->H2CTxCmdSeq = 0;
1202 priv->bDisableFrameBursting = 0;
1203 priv->bDMInitialGainEnable = 1;
1204 priv->polling_timer_on = 0;
1205 priv->up_first_time = 1;
1206 priv->blinked_ingpio = false;
1207 priv->bDriverIsGoingToUnload = false;
1208 priv->being_init_adapter = false;
1209 priv->initialized_at_probe = false;
1210 priv->sw_radio_on = true;
1211 priv->bdisable_nic = false;
1212 priv->bfirst_init = false;
1213 priv->txringcount = 64;
1214 priv->rxbuffersize = 9100;
1215 priv->rxringcount = MAX_RX_COUNT;
1216 priv->irq_enabled=0;
1218 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1219 priv->RegChannelPlan = 0xf;
1220 priv->nrxAMPDU_size = 0;
1221 priv->nrxAMPDU_aggr_num = 0;
1222 priv->last_rxdesc_tsf_high = 0;
1223 priv->last_rxdesc_tsf_low = 0;
1224 priv->rtllib->mode = WIRELESS_MODE_AUTO;
1225 priv->rtllib->iw_mode = IW_MODE_INFRA;
1226 priv->rtllib->bNetPromiscuousMode = false;
1227 priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false;
1228 priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame = false;
1229 priv->rtllib->ieee_up=0;
1230 priv->retry_rts = DEFAULT_RETRY_RTS;
1231 priv->retry_data = DEFAULT_RETRY_DATA;
1232 priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
1233 priv->rtllib->rate = 110;
1234 priv->rtllib->short_slot = 1;
1235 priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0;
1236 priv->bcck_in_ch14 = false;
1237 priv->bfsync_processing = false;
1238 priv->CCKPresentAttentuation = 0;
1239 priv->rfa_txpowertrackingindex = 0;
1240 priv->rfc_txpowertrackingindex = 0;
1242 priv->ScanDelay = 50;
1243 priv->ResetProgress = RESET_TYPE_NORESET;
1244 priv->bForcedSilentReset = 0;
1245 priv->bDisableNormalResetCheck = false;
1246 priv->force_reset = false;
1247 memset(priv->rtllib->swcamtable,0,sizeof(SW_CAM_TABLE)*32);
1249 memset(&priv->InterruptLog,0,sizeof(LOG_INTERRUPT_8190_T));
1250 priv->RxCounter = 0;
1251 priv->rtllib->wx_set_enc = 0;
1252 priv->bHwRadioOff = false;
1254 priv->isRFOff = false;
1255 priv->bInPowerSaveMode = false;
1256 priv->rtllib->RfOffReason = 0;
1257 priv->RFChangeInProgress = false;
1258 priv->bHwRfOffAction = 0;
1259 priv->SetRFPowerStateInProgress = false;
1260 priv->rtllib->PowerSaveControl.bInactivePs = true;
1261 priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
1262 priv->rtllib->PowerSaveControl.bLeisurePs = true;
1263 priv->rtllib->PowerSaveControl.bFwCtrlLPS = false;
1264 priv->rtllib->LPSDelayCnt = 0;
1265 priv->rtllib->sta_sleep = LPS_IS_WAKE;
1266 priv->rtllib->eRFPowerState = eRfOn;
1268 priv->txpower_checkcnt = 0;
1269 priv->thermal_readback_index =0;
1270 priv->txpower_tracking_callback_cnt = 0;
1271 priv->ccktxpower_adjustcnt_ch14 = 0;
1272 priv->ccktxpower_adjustcnt_not_ch14 = 0;
1274 priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1275 priv->rtllib->iw_mode = IW_MODE_INFRA;
1276 priv->rtllib->active_scan = 1;
1277 priv->rtllib->be_scan_inprogress = false;
1278 priv->rtllib->modulation = RTLLIB_CCK_MODULATION | RTLLIB_OFDM_MODULATION;
1279 priv->rtllib->host_encrypt = 1;
1280 priv->rtllib->host_decrypt = 1;
1282 priv->rtllib->dot11PowerSaveMode = eActive;
1283 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
1284 priv->rtllib->MaxMssDensity = 0;
1285 priv->rtllib->MinSpaceCfg = 0;
1287 priv->card_type = PCI;
1289 priv->AcmControl = 0;
1290 priv->pFirmware = (rt_firmware*)vmalloc(sizeof(rt_firmware));
1291 if (priv->pFirmware)
1292 memset(priv->pFirmware, 0, sizeof(rt_firmware));
1294 skb_queue_head_init(&priv->rx_queue);
1295 skb_queue_head_init(&priv->skb_queue);
1297 for (i = 0; i < MAX_QUEUE_SIZE; i++) {
1298 skb_queue_head_init(&priv->rtllib->skb_waitQ [i]);
1300 for (i = 0; i < MAX_QUEUE_SIZE; i++) {
1301 skb_queue_head_init(&priv->rtllib->skb_aggQ [i]);
1306 static void rtl8192_init_priv_lock(struct r8192_priv* priv)
1308 spin_lock_init(&priv->fw_scan_lock);
1309 spin_lock_init(&priv->tx_lock);
1310 spin_lock_init(&priv->irq_lock);
1311 spin_lock_init(&priv->irq_th_lock);
1312 spin_lock_init(&priv->rf_ps_lock);
1313 spin_lock_init(&priv->ps_lock);
1314 spin_lock_init(&priv->rf_lock);
1315 spin_lock_init(&priv->rt_h2c_lock);
1316 sema_init(&priv->wx_sem,1);
1317 sema_init(&priv->rf_sem,1);
1318 mutex_init(&priv->mutex);
1321 static void rtl8192_init_priv_task(struct net_device* dev)
1323 struct r8192_priv *priv = rtllib_priv(dev);
1325 priv->priv_wq = create_workqueue(DRV_NAME);
1326 INIT_WORK_RSL(&priv->reset_wq, (void*)rtl8192_restart, dev);
1327 INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void*)IPSLeave_wq, dev);
1328 INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq, (void*)rtl819x_watchdog_wqcallback, dev);
1329 INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq, (void*)dm_txpower_trackingcallback, dev);
1330 INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq, (void*)dm_rf_pathcheck_workitemcallback, dev);
1331 INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq, (void*)rtl8192_update_beacon, dev);
1332 INIT_WORK_RSL(&priv->qos_activate, (void*)rtl8192_qos_activate, dev);
1333 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq,(void*) rtl8192_hw_wakeup_wq, dev);
1334 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,(void*) rtl8192_hw_sleep_wq, dev);
1335 tasklet_init(&priv->irq_rx_tasklet,
1336 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
1337 (unsigned long)priv);
1338 tasklet_init(&priv->irq_tx_tasklet,
1339 (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
1340 (unsigned long)priv);
1341 tasklet_init(&priv->irq_prepare_beacon_tasklet,
1342 (void(*)(unsigned long))rtl8192_prepare_beacon,
1343 (unsigned long)priv);
1346 short rtl8192_get_channel_map(struct net_device * dev)
1350 struct r8192_priv *priv = rtllib_priv(dev);
1351 if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256)
1352 && (priv->rf_chip != RF_6052)) {
1353 RT_TRACE(COMP_ERR, "%s: unknown rf chip, can't set channel map\n", __func__);
1357 if (priv->ChannelPlan > COUNTRY_CODE_MAX) {
1358 printk("rtl819x_init:Error channel plan! Set to default.\n");
1359 priv->ChannelPlan= COUNTRY_CODE_FCC;
1361 RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
1362 Dot11d_Init(priv->rtllib);
1364 Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib);
1366 for (i = 1; i <= 11; i++) {
1367 (priv->rtllib->active_channel_map)[i] = 1;
1369 (priv->rtllib->active_channel_map)[12] = 2;
1370 (priv->rtllib->active_channel_map)[13] = 2;
1375 short rtl8192_init(struct net_device *dev)
1377 struct r8192_priv *priv = rtllib_priv(dev);
1379 memset(&(priv->stats),0,sizeof(struct Stats));
1381 rtl8192_dbgp_flag_init(dev);
1383 rtl8192_init_priv_handler(dev);
1384 rtl8192_init_priv_constant(dev);
1385 rtl8192_init_priv_variable(dev);
1386 rtl8192_init_priv_lock(priv);
1387 rtl8192_init_priv_task(dev);
1388 priv->ops->get_eeprom_size(dev);
1389 priv->ops->init_adapter_variable(dev);
1390 rtl8192_get_channel_map(dev);
1392 #ifdef CONFIG_CFG_80211
1393 /* channel map setting for the cfg80211 style */
1395 struct r8192_priv* priv = rtllib_priv(dev);
1396 rtllib_set_geo(priv);
1402 init_timer(&priv->watch_dog_timer);
1403 setup_timer(&priv->watch_dog_timer,
1404 watch_dog_timer_callback,
1405 (unsigned long) dev);
1407 init_timer(&priv->gpio_polling_timer);
1408 setup_timer(&priv->gpio_polling_timer,
1409 check_rfctrl_gpio_timer,
1410 (unsigned long)dev);
1412 rtl8192_irq_disable(dev);
1413 #if defined(IRQF_SHARED)
1414 if (request_irq(dev->irq, (void*)rtl8192_interrupt_rsl, IRQF_SHARED, dev->name, dev))
1416 if (request_irq(dev->irq, (void *)rtl8192_interrupt_rsl, SA_SHIRQ, dev->name, dev))
1419 printk("Error allocating IRQ %d",dev->irq);
1423 RT_TRACE(COMP_INIT, "IRQ %d\n",dev->irq);
1426 if (rtl8192_pci_initdescring(dev) != 0) {
1427 printk("Endopoints initialization failed");
1434 /***************************************************************************
1435 -------------------------------WATCHDOG STUFF---------------------------
1436 ***************************************************************************/
1437 short rtl8192_is_tx_queue_empty(struct net_device *dev)
1440 struct r8192_priv *priv = rtllib_priv(dev);
1441 for (i=0; i<=MGNT_QUEUE; i++)
1443 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
1445 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
1446 printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1454 rtl819x_TxCheckStuck(struct net_device *dev)
1456 struct r8192_priv *priv = rtllib_priv(dev);
1458 u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1459 bool bCheckFwTxCnt = false;
1460 struct rtl8192_tx_ring *ring = NULL;
1461 struct sk_buff* skb = NULL;
1462 cb_desc * tcb_desc = NULL;
1463 unsigned long flags = 0;
1465 switch (priv->rtllib->ps)
1467 case RTLLIB_PS_DISABLED:
1468 ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
1470 case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST):
1471 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1474 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1477 spin_lock_irqsave(&priv->irq_th_lock,flags);
1478 for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++)
1480 if (QueueID == TXCMD_QUEUE)
1483 if (QueueID == BEACON_QUEUE)
1486 ring = &priv->tx_ring[QueueID];
1488 if (skb_queue_len(&ring->queue) == 0)
1492 skb = (&ring->queue)->next;
1493 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1494 tcb_desc->nStuckCount++;
1495 bCheckFwTxCnt = true;
1496 if (tcb_desc->nStuckCount > 1)
1497 printk("%s: QueueID=%d tcb_desc->nStuckCount=%d\n",__func__,QueueID,tcb_desc->nStuckCount);
1500 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1502 if (bCheckFwTxCnt) {
1503 if (priv->ops->TxCheckStuckHandler(dev))
1505 RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n");
1506 return RESET_TYPE_SILENT;
1510 return RESET_TYPE_NORESET;
1513 RESET_TYPE rtl819x_RxCheckStuck(struct net_device *dev)
1515 struct r8192_priv *priv = rtllib_priv(dev);
1517 if (priv->ops->RxCheckStuckHandler(dev))
1519 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
1520 return RESET_TYPE_SILENT;
1523 return RESET_TYPE_NORESET;
1527 rtl819x_ifcheck_resetornot(struct net_device *dev)
1529 struct r8192_priv *priv = rtllib_priv(dev);
1530 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
1531 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
1532 RT_RF_POWER_STATE rfState;
1534 rfState = priv->rtllib->eRFPowerState;
1536 if (rfState == eRfOn)
1537 TxResetType = rtl819x_TxCheckStuck(dev);
1539 if ( rfState == eRfOn &&
1540 (priv->rtllib->iw_mode == IW_MODE_INFRA) &&
1541 (priv->rtllib->state == RTLLIB_LINKED)) {
1543 RxResetType = rtl819x_RxCheckStuck(dev);
1546 if (TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL){
1547 printk("%s(): TxResetType is %d, RxResetType is %d\n",__func__,TxResetType,RxResetType);
1548 return RESET_TYPE_NORMAL;
1549 } else if (TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT){
1550 printk("%s(): TxResetType is %d, RxResetType is %d\n",__func__,TxResetType,RxResetType);
1551 return RESET_TYPE_SILENT;
1553 return RESET_TYPE_NORESET;
1558 void rtl819x_silentreset_mesh_bk(struct net_device *dev, u8 IsPortal)
1562 void rtl819x_ifsilentreset(struct net_device *dev)
1564 struct r8192_priv *priv = rtllib_priv(dev);
1566 int reset_status = 0;
1567 struct rtllib_device *ieee = priv->rtllib;
1573 if (priv->ResetProgress==RESET_TYPE_NORESET) {
1575 RT_TRACE(COMP_RESET,"=========>Reset progress!! \n");
1577 priv->ResetProgress = RESET_TYPE_SILENT;
1579 spin_lock_irqsave(&priv->rf_ps_lock,flag);
1580 if (priv->RFChangeInProgress)
1582 spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
1585 priv->RFChangeInProgress = true;
1586 priv->bResetInProgress = true;
1587 spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
1591 down(&priv->wx_sem);
1593 if (priv->rtllib->state == RTLLIB_LINKED)
1594 LeisurePSLeave(dev);
1596 if (IS_NIC_DOWN(priv)) {
1597 RT_TRACE(COMP_ERR,"%s():the driver is not up! return\n",__func__);
1603 RT_TRACE(COMP_RESET,"%s():======>start to down the driver\n",__func__);
1605 RT_TRACE(COMP_RESET,"%s():111111111111111111111111======>start to down the driver\n",__func__);
1607 if (!netif_queue_stopped(dev))
1608 netif_stop_queue(dev);
1610 rtl8192_irq_disable(dev);
1611 del_timer_sync(&priv->watch_dog_timer);
1612 rtl8192_cancel_deferred_work(priv);
1614 rtllib_stop_scan_syncro(ieee);
1616 if (ieee->state == RTLLIB_LINKED) {
1617 SEM_DOWN_IEEE_WX(&ieee->wx_sem);
1618 printk("ieee->state is RTLLIB_LINKED\n");
1619 rtllib_stop_send_beacons(priv->rtllib);
1620 del_timer_sync(&ieee->associate_timer);
1621 cancel_delayed_work(&ieee->associate_retry_wq);
1622 rtllib_stop_scan(ieee);
1623 netif_carrier_off(dev);
1624 SEM_UP_IEEE_WX(&ieee->wx_sem);
1626 printk("ieee->state is NOT LINKED\n");
1627 rtllib_softmac_stop_protocol(priv->rtllib, 0 ,true);
1630 dm_backup_dynamic_mechanism_state(dev);
1633 RT_TRACE(COMP_RESET,"%s():<==========down process is finished\n",__func__);
1635 RT_TRACE(COMP_RESET,"%s():<===========up process start\n",__func__);
1636 reset_status = _rtl8192_up(dev,true);
1638 RT_TRACE(COMP_RESET,"%s():<===========up process is finished\n",__func__);
1639 if (reset_status == -1) {
1640 if (reset_times < 3) {
1644 RT_TRACE(COMP_ERR," ERR!!! %s(): Reset Failed!!\n",__func__);
1648 ieee->is_silent_reset = 1;
1650 spin_lock_irqsave(&priv->rf_ps_lock,flag);
1651 priv->RFChangeInProgress = false;
1652 spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
1654 EnableHWSecurityConfig8192(dev);
1656 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
1657 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1659 queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
1661 } else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_ADHOC) {
1662 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1663 ieee->link_change(ieee->dev);
1665 notify_wx_assoc_event(ieee);
1667 rtllib_start_send_beacons(ieee);
1669 if (ieee->data_hard_resume)
1670 ieee->data_hard_resume(ieee->dev);
1671 netif_carrier_on(ieee->dev);
1672 } else if (ieee->iw_mode == IW_MODE_MESH) {
1673 rtl819x_silentreset_mesh_bk(dev, IsPortal);
1676 CamRestoreAllEntry(dev);
1677 dm_restore_dynamic_mechanism_state(dev);
1679 priv->ResetProgress = RESET_TYPE_NORESET;
1680 priv->reset_count++;
1682 priv->bForcedSilentReset =false;
1683 priv->bResetInProgress = false;
1685 write_nic_byte(dev, UFWP, 1);
1686 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", priv->reset_count);
1690 void rtl819x_update_rxcounts(struct r8192_priv *priv,
1692 u32 *TotalRxDataNum)
1698 *TotalRxDataNum = 0;
1700 SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++)%(priv->rtllib->LinkDetectInfo.SlotNum);
1701 priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod;
1702 priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] = priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod;
1703 for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) {
1704 *TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i];
1705 *TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i];
1710 void rtl819x_watchdog_wqcallback(void *data)
1712 struct r8192_priv *priv = container_of_dwork_rsl(data,struct r8192_priv,watch_dog_wq);
1713 struct net_device *dev = priv->rtllib->dev;
1714 struct rtllib_device* ieee = priv->rtllib;
1715 RESET_TYPE ResetType = RESET_TYPE_NORESET;
1716 static u8 check_reset_cnt = 0;
1717 unsigned long flags;
1718 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->rtllib->PowerSaveControl));
1719 bool bBusyTraffic = false;
1720 bool bHigherBusyTraffic = false;
1721 bool bHigherBusyRxTraffic = false;
1722 bool bEnterPS = false;
1724 if (IS_NIC_DOWN(priv) || (priv->bHwRadioOff == true))
1727 if (priv->rtllib->state >= RTLLIB_LINKED) {
1728 if (priv->rtllib->CntAfterLink<2)
1729 priv->rtllib->CntAfterLink++;
1731 priv->rtllib->CntAfterLink = 0;
1734 hal_dm_watchdog(dev);
1736 if (rtllib_act_scanning(priv->rtllib,false) == false){
1737 if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == RTLLIB_NOLINK) &&\
1738 (ieee->eRFPowerState == eRfOn)&&!ieee->is_set_key &&\
1739 (!ieee->proto_stoppping) && !ieee->wx_set_enc
1740 #ifdef CONFIG_RTLWIFI_DEBUGFS
1741 && (!priv->debug->hw_holding)
1744 if ((ieee->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE)&&
1745 (!ieee->bNetPromiscuousMode))
1747 RT_TRACE(COMP_PS, "====================>haha:IPSEnter()\n");
1753 if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode == IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode))
1755 if ( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
1756 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
1757 bBusyTraffic = true;
1761 if ( ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
1762 ieee->LinkDetectInfo.NumTxOkInPeriod > 4000 )
1764 bHigherBusyTraffic = true;
1765 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000)
1766 bHigherBusyRxTraffic = true;
1768 bHigherBusyRxTraffic = false;
1771 if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
1772 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
1777 if (ieee->current_network.beacon_interval < 95)
1781 LeisurePSEnter(dev);
1783 LeisurePSLeave(dev);
1786 RT_TRACE(COMP_LPS,"====>no link LPS leave\n");
1787 LeisurePSLeave(dev);
1790 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
1791 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
1792 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
1793 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
1795 ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
1796 ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
1801 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA)
1803 u32 TotalRxBcnNum = 0;
1804 u32 TotalRxDataNum = 0;
1806 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
1808 if ((TotalRxBcnNum+TotalRxDataNum) == 0)
1809 priv->check_roaming_cnt ++;
1811 priv->check_roaming_cnt = 0;
1814 if (priv->check_roaming_cnt > 0)
1816 if ( ieee->eRFPowerState == eRfOff)
1817 RT_TRACE(COMP_ERR,"========>%s()\n",__func__);
1819 printk("===>%s(): AP is power off,chan:%d, connect another one\n",__func__, priv->chan);
1821 ieee->state = RTLLIB_ASSOCIATING;
1823 RemovePeerTS(priv->rtllib,priv->rtllib->current_network.bssid);
1824 ieee->is_roaming = true;
1825 ieee->is_set_key = false;
1826 ieee->link_change(dev);
1827 if (ieee->LedControlHandler)
1828 ieee->LedControlHandler(ieee->dev, LED_CTL_START_TO_LINK);
1830 notify_wx_assoc_event(ieee);
1832 if (!(ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_CCMP|SEC_ALG_TKIP)))
1833 queue_delayed_work_rsl(ieee->wq, &ieee->associate_procedure_wq, 0);
1835 priv->check_roaming_cnt = 0;
1838 ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
1839 ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
1843 spin_lock_irqsave(&priv->tx_lock,flags);
1844 if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) &&
1845 (!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing))
1847 ResetType = rtl819x_ifcheck_resetornot(dev);
1848 check_reset_cnt = 3;
1850 spin_unlock_irqrestore(&priv->tx_lock,flags);
1852 if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
1854 priv->ResetProgress = RESET_TYPE_NORMAL;
1855 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__func__);
1859 if ( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT)))
1861 rtl819x_ifsilentreset(dev);
1863 priv->force_reset = false;
1864 priv->bForcedSilentReset = false;
1865 priv->bResetInProgress = false;
1866 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
1869 void watch_dog_timer_callback(unsigned long data)
1871 struct r8192_priv *priv = rtllib_priv((struct net_device *) data);
1872 queue_delayed_work_rsl(priv->priv_wq,&priv->watch_dog_wq,0);
1873 mod_timer(&priv->watch_dog_timer, jiffies + MSECS(RTLLIB_WATCH_DOG_TIME));
1876 /****************************************************************************
1877 ---------------------------- NIC TX/RX STUFF---------------------------
1878 *****************************************************************************/
1879 void rtl8192_rx_enable(struct net_device *dev)
1881 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1882 priv->ops->rx_enable(dev);
1885 void rtl8192_tx_enable(struct net_device *dev)
1887 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1889 priv->ops->tx_enable(dev);
1891 rtllib_reset_queue(priv->rtllib);
1895 static void rtl8192_free_rx_ring(struct net_device *dev)
1897 struct r8192_priv *priv = rtllib_priv(dev);
1900 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx ++){
1901 for (i = 0; i < priv->rxringcount; i++) {
1902 struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i];
1906 pci_unmap_single(priv->pdev,
1907 *((dma_addr_t *)skb->cb),
1908 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1912 pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount,
1913 priv->rx_ring[rx_queue_idx], priv->rx_ring_dma[rx_queue_idx]);
1914 priv->rx_ring[rx_queue_idx] = NULL;
1918 static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
1920 struct r8192_priv *priv = rtllib_priv(dev);
1921 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1923 while (skb_queue_len(&ring->queue)) {
1924 tx_desc *entry = &ring->desc[ring->idx];
1925 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1927 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1928 skb->len, PCI_DMA_TODEVICE);
1930 ring->idx = (ring->idx + 1) % ring->entries;
1933 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
1934 ring->desc, ring->dma);
1938 void rtl8192_data_hard_stop(struct net_device *dev)
1943 void rtl8192_data_hard_resume(struct net_device *dev)
1947 void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
1949 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1951 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1952 u8 queue_index = tcb_desc->queue_index;
1954 if ((priv->rtllib->eRFPowerState == eRfOff) || IS_NIC_DOWN(priv) || priv->bResetInProgress){
1959 assert(queue_index != TXCMD_QUEUE);
1962 memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
1963 skb_push(skb, priv->rtllib->tx_headroom);
1964 ret = rtl8192_tx(dev, skb);
1969 if (queue_index!=MGNT_QUEUE) {
1970 priv->rtllib->stats.tx_bytes+=(skb->len - priv->rtllib->tx_headroom);
1971 priv->rtllib->stats.tx_packets++;
1978 int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
1980 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1982 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1983 u8 queue_index = tcb_desc->queue_index;
1985 if (queue_index != TXCMD_QUEUE){
1986 if ((priv->rtllib->eRFPowerState == eRfOff) ||IS_NIC_DOWN(priv) || priv->bResetInProgress){
1992 memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
1993 if (queue_index == TXCMD_QUEUE) {
1994 rtl8192_tx_cmd(dev, skb);
1998 tcb_desc->RATRIndex = 7;
1999 tcb_desc->bTxDisableRateFallBack = 1;
2000 tcb_desc->bTxUseDriverAssingedRate = 1;
2001 tcb_desc->bTxEnableFwCalcDur = 1;
2002 skb_push(skb, priv->rtllib->tx_headroom);
2003 ret = rtl8192_tx(dev, skb);
2015 void rtl8192_tx_isr(struct net_device *dev, int prio)
2017 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2019 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
2021 while (skb_queue_len(&ring->queue)) {
2022 tx_desc *entry = &ring->desc[ring->idx];
2023 struct sk_buff *skb;
2025 if (prio != BEACON_QUEUE) {
2028 ring->idx = (ring->idx + 1) % ring->entries;
2031 skb = __skb_dequeue(&ring->queue);
2032 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
2033 skb->len, PCI_DMA_TODEVICE);
2037 if (prio != BEACON_QUEUE) {
2038 tasklet_schedule(&priv->irq_tx_tasklet);
2043 void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb)
2045 struct r8192_priv *priv = rtllib_priv(dev);
2046 struct rtl8192_tx_ring *ring;
2050 unsigned long flags;
2052 spin_lock_irqsave(&priv->irq_th_lock,flags);
2053 ring = &priv->tx_ring[TXCMD_QUEUE];
2055 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
2056 entry = (tx_desc_cmd*) &ring->desc[idx];
2058 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
2060 priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb);
2062 __skb_queue_tail(&ring->queue, skb);
2063 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2068 short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
2070 struct r8192_priv *priv = rtllib_priv(dev);
2071 struct rtl8192_tx_ring *ring;
2072 unsigned long flags;
2073 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
2074 tx_desc *pdesc = NULL;
2075 struct rtllib_hdr_1addr * header = NULL;
2076 u16 fc=0, type=0,stype=0;
2077 bool multi_addr=false,broad_addr=false,uni_addr=false;
2078 u8* pda_addr = NULL;
2080 u32 fwinfo_size = 0;
2082 if (priv->bdisable_nic){
2083 RT_TRACE(COMP_ERR,"%s: ERR!! Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n", __func__, skb->len, tcb_desc->queue_index);
2087 priv->rtllib->bAwakePktSent = true;
2089 fwinfo_size = sizeof(TX_FWINFO_8190PCI);
2091 header = (struct rtllib_hdr_1addr *)(((u8*)skb->data) + fwinfo_size);
2092 fc = header->frame_ctl;
2093 type = WLAN_FC_GET_TYPE(fc);
2094 stype = WLAN_FC_GET_STYPE(fc);
2095 pda_addr = header->addr1;
2097 if (is_multicast_ether_addr(pda_addr))
2099 else if (is_broadcast_ether_addr(pda_addr))
2106 priv->stats.txbytesunicast += skb->len - fwinfo_size;
2107 else if (multi_addr)
2108 priv->stats.txbytesmulticast += skb->len - fwinfo_size;
2110 priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
2112 spin_lock_irqsave(&priv->irq_th_lock,flags);
2113 ring = &priv->tx_ring[tcb_desc->queue_index];
2114 if (tcb_desc->queue_index != BEACON_QUEUE) {
2115 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
2117 #ifdef _ENABLE_SW_BEACON
2118 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
2124 pdesc = &ring->desc[idx];
2125 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
2126 RT_TRACE(COMP_ERR,"No more TX desc@%d, ring->idx = %d,idx = %d, skblen = 0x%x queuelen=%d", \
2127 tcb_desc->queue_index,ring->idx, idx,skb->len, skb_queue_len(&ring->queue));
2128 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2132 if (tcb_desc->queue_index == MGNT_QUEUE){
2135 if (type == RTLLIB_FTYPE_DATA){
2136 if (priv->rtllib->LedControlHandler)
2137 priv->rtllib->LedControlHandler(dev, LED_CTL_TX);
2139 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb);
2140 __skb_queue_tail(&ring->queue, skb);
2142 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2143 dev->trans_start = jiffies;
2145 write_nic_word(dev,TPPoll,0x01<<tcb_desc->queue_index);
2149 short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
2151 struct r8192_priv *priv = rtllib_priv(dev);
2152 rx_desc *entry = NULL;
2153 int i, rx_queue_idx;
2155 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx ++){
2156 priv->rx_ring[rx_queue_idx] = pci_alloc_consistent(priv->pdev,
2157 sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount, &priv->rx_ring_dma[rx_queue_idx]);
2159 if (!priv->rx_ring[rx_queue_idx] || (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
2160 RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
2164 memset(priv->rx_ring[rx_queue_idx], 0, sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount);
2165 priv->rx_idx[rx_queue_idx] = 0;
2167 for (i = 0; i < priv->rxringcount; i++) {
2168 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
2169 dma_addr_t *mapping;
2170 entry = &priv->rx_ring[rx_queue_idx][i];
2174 priv->rx_buf[rx_queue_idx][i] = skb;
2175 mapping = (dma_addr_t *)skb->cb;
2176 *mapping = pci_map_single(priv->pdev, skb_tail_pointer_rsl(skb),
2177 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
2179 entry->BufferAddress = cpu_to_le32(*mapping);
2181 entry->Length = priv->rxbuffersize;
2190 static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
2191 unsigned int prio, unsigned int entries)
2193 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2198 ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
2199 if (!ring || (unsigned long)ring & 0xFF) {
2200 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
2204 memset(ring, 0, sizeof(*ring)*entries);
2205 priv->tx_ring[prio].desc = ring;
2206 priv->tx_ring[prio].dma = dma;
2207 priv->tx_ring[prio].idx = 0;
2208 priv->tx_ring[prio].entries = entries;
2209 skb_queue_head_init(&priv->tx_ring[prio].queue);
2211 for (i = 0; i < entries; i++)
2212 ring[i].NextDescAddress =
2213 cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
2219 short rtl8192_pci_initdescring(struct net_device *dev)
2223 struct r8192_priv *priv = rtllib_priv(dev);
2225 ret = rtl8192_alloc_rx_desc_ring(dev);
2231 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2232 if ((ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount)))
2233 goto err_free_rings;
2239 rtl8192_free_rx_ring(dev);
2240 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
2241 if (priv->tx_ring[i].desc)
2242 rtl8192_free_tx_ring(dev, i);
2246 void rtl8192_pci_resetdescring(struct net_device *dev)
2248 struct r8192_priv *priv = rtllib_priv(dev);
2250 unsigned long flags = 0;
2252 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx ++){
2253 if (priv->rx_ring[rx_queue_idx]) {
2254 rx_desc *entry = NULL;
2255 for (i = 0; i < priv->rxringcount; i++) {
2256 entry = &priv->rx_ring[rx_queue_idx][i];
2259 priv->rx_idx[rx_queue_idx] = 0;
2263 spin_lock_irqsave(&priv->irq_th_lock,flags);
2264 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2265 if (priv->tx_ring[i].desc) {
2266 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
2268 while (skb_queue_len(&ring->queue)) {
2269 tx_desc *entry = &ring->desc[ring->idx];
2270 struct sk_buff *skb = __skb_dequeue(&ring->queue);
2272 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
2273 skb->len, PCI_DMA_TODEVICE);
2275 ring->idx = (ring->idx + 1) % ring->entries;
2280 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2283 void rtl819x_UpdateRxPktTimeStamp (struct net_device *dev, struct rtllib_rx_stats *stats)
2285 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2287 if (stats->bIsAMPDU && !stats->bFirstMPDU) {
2288 stats->mac_time[0] = priv->LastRxDescTSFLow;
2289 stats->mac_time[1] = priv->LastRxDescTSFHigh;
2291 priv->LastRxDescTSFLow = stats->mac_time[0];
2292 priv->LastRxDescTSFHigh = stats->mac_time[1];
2296 long rtl819x_translate_todbm(struct r8192_priv * priv, u8 signal_strength_index )
2300 signal_power = (long)((signal_strength_index + 1) >> 1);
2303 return signal_power;
2308 rtl819x_update_rxsignalstatistics8190pci(
2309 struct r8192_priv * priv,
2310 struct rtllib_rx_stats * pprevious_stats
2316 if (priv->stats.recv_signal_power == 0)
2317 priv->stats.recv_signal_power = pprevious_stats->RecvSignalPower;
2319 if (pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
2321 else if (pprevious_stats->RecvSignalPower < priv->stats.recv_signal_power)
2323 priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 + pprevious_stats->RecvSignalPower + weighting) / 6;
2327 rtl819x_process_cck_rxpathsel(
2328 struct r8192_priv * priv,
2329 struct rtllib_rx_stats * pprevious_stats
2335 u8 rtl819x_query_rxpwrpercentage(
2339 if ((antpower <= -100) || (antpower >= 20))
2343 else if (antpower >= 0)
2349 return (100+antpower);
2352 } /* QueryRxPwrPercentage */
2355 rtl819x_evm_dbtopercentage(
2367 ret_val = 0 - ret_val;
2375 rtl8192_record_rxdesc_forlateruse(
2376 struct rtllib_rx_stats * psrc_stats,
2377 struct rtllib_rx_stats * ptarget_stats
2380 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
2381 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
2386 void rtl8192_rx_normal(struct net_device *dev)
2388 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2389 struct rtllib_hdr_1addr *rtllib_hdr = NULL;
2390 bool unicast_packet = false;
2391 bool bLedBlinking=true;
2394 int rx_queue_idx = RX_MPDU_QUEUE;
2396 struct rtllib_rx_stats stats = {
2400 .freq = RTLLIB_24GHZ_BAND,
2402 unsigned int count = priv->rxringcount;
2404 stats.nic_type = NIC_8192E;
2407 rx_desc *pdesc = &priv->rx_ring[rx_queue_idx][priv->rx_idx[rx_queue_idx]];
2408 struct sk_buff *skb = priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]];
2413 struct sk_buff *new_skb;
2415 if (!priv->ops->rx_query_status_descriptor(dev, &stats,
2418 new_skb = dev_alloc_skb(priv->rxbuffersize);
2419 /* if allocation of new skb failed - drop current packet
2421 if (unlikely(!new_skb))
2424 pci_unmap_single(priv->pdev,
2425 *((dma_addr_t *)skb->cb),
2427 PCI_DMA_FROMDEVICE);
2429 skb_put(skb, pdesc->Length);
2430 skb_reserve(skb, stats.RxDrvInfoSize +
2432 skb_trim(skb, skb->len - 4/*sCrcLng*/);
2433 rtllib_hdr = (struct rtllib_hdr_1addr *)skb->data;
2434 if (!is_broadcast_ether_addr(rtllib_hdr->addr1) &&
2435 !is_multicast_ether_addr(rtllib_hdr->addr1)) {
2436 /* unicast packet */
2437 unicast_packet = true;
2439 fc = le16_to_cpu(rtllib_hdr->frame_ctl);
2440 type = WLAN_FC_GET_TYPE(fc);
2441 if (type == RTLLIB_FTYPE_MGMT)
2442 bLedBlinking = false;
2445 if (priv->rtllib->LedControlHandler)
2446 priv->rtllib->LedControlHandler(dev,
2450 if (type != RTLLIB_FTYPE_MGMT)
2451 priv->stats.rxdatacrcerr ++;
2453 priv->stats.rxmgmtcrcerr ++;
2458 if (!rtllib_rx(priv->rtllib, skb, &stats)){
2459 dev_kfree_skb_any(skb);
2463 priv->stats.rxbytesunicast += skb_len;
2469 priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] = skb;
2470 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer_rsl(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
2474 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
2476 pdesc->Length = priv->rxbuffersize;
2477 if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1)
2479 priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) % priv->rxringcount;
2484 void rtl8192_rx_cmd(struct net_device *dev)
2489 void rtl8192_tx_resume(struct net_device *dev)
2491 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2492 struct rtllib_device *ieee = priv->rtllib;
2493 struct sk_buff *skb;
2496 for (queue_index = BK_QUEUE; queue_index < MAX_QUEUE_SIZE;queue_index++) {
2497 while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index]))&&
2498 (priv->rtllib->check_nic_enough_desc(dev,queue_index) > 0)) {
2499 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
2500 ieee->softmac_data_hard_start_xmit(skb,dev,0/* rate useless now*/);
2505 void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
2507 rtl8192_tx_resume(priv->rtllib->dev);
2510 void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
2512 rtl8192_rx_normal(priv->rtllib->dev);
2514 if (MAX_RX_QUEUE > 1)
2515 rtl8192_rx_cmd(priv->rtllib->dev);
2517 write_nic_dword(priv->rtllib->dev, INTA_MASK,read_nic_dword(priv->rtllib->dev, INTA_MASK) | IMR_RDU);
2520 /****************************************************************************
2521 ---------------------------- NIC START/CLOSE STUFF---------------------------
2522 *****************************************************************************/
2523 void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
2525 cancel_delayed_work(&priv->watch_dog_wq);
2526 cancel_delayed_work(&priv->update_beacon_wq);
2527 cancel_delayed_work(&priv->rtllib->hw_sleep_wq);
2528 cancel_work_sync(&priv->reset_wq);
2529 cancel_work_sync(&priv->qos_activate);
2532 int _rtl8192_up(struct net_device *dev,bool is_silent_reset)
2534 if (_rtl8192_sta_up(dev, is_silent_reset) == -1)
2540 int rtl8192_open(struct net_device *dev)
2542 struct r8192_priv *priv = rtllib_priv(dev);
2545 down(&priv->wx_sem);
2546 ret = rtl8192_up(dev);
2553 int rtl8192_up(struct net_device *dev)
2555 struct r8192_priv *priv = rtllib_priv(dev);
2557 if (priv->up == 1) return -1;
2558 return _rtl8192_up(dev,false);
2562 int rtl8192_close(struct net_device *dev)
2564 struct r8192_priv *priv = rtllib_priv(dev);
2567 if ((rtllib_act_scanning(priv->rtllib, false)) &&
2568 !(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)){
2569 rtllib_stop_scan(priv->rtllib);
2572 down(&priv->wx_sem);
2574 ret = rtl8192_down(dev,true);
2582 int rtl8192_down(struct net_device *dev, bool shutdownrf)
2584 if (rtl8192_sta_down(dev, shutdownrf) == -1)
2590 void rtl8192_commit(struct net_device *dev)
2592 struct r8192_priv *priv = rtllib_priv(dev);
2594 if (priv->up == 0) return ;
2595 rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
2596 rtl8192_irq_disable(dev);
2597 priv->ops->stop_adapter(dev, true);
2598 _rtl8192_up(dev,false);
2601 void rtl8192_restart(void *data)
2603 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, reset_wq);
2604 struct net_device *dev = priv->rtllib->dev;
2606 down(&priv->wx_sem);
2608 rtl8192_commit(dev);
2613 static void r8192_set_multicast(struct net_device *dev)
2615 struct r8192_priv *priv = rtllib_priv(dev);
2620 promisc = (dev->flags & IFF_PROMISC) ? 1:0;
2622 if (promisc != priv->promisc) {
2626 priv->promisc = promisc;
2631 int r8192_set_mac_adr(struct net_device *dev, void *mac)
2633 struct r8192_priv *priv = rtllib_priv(dev);
2634 struct sockaddr *addr = mac;
2636 down(&priv->wx_sem);
2638 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
2640 schedule_work(&priv->reset_wq);
2646 /* based on ipw2200 driver */
2647 int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2649 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2650 struct iwreq *wrq = (struct iwreq *)rq;
2652 struct rtllib_device *ieee = priv->rtllib;
2654 u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
2655 u8 zero_addr[6] = {0};
2656 struct iw_point *p = &wrq->u.data;
2658 down(&priv->wx_sem);
2661 case RTL_IOCTL_WPA_SUPPLICANT:
2663 struct ieee_param *ipw = NULL;
2664 if (p->length < sizeof(struct ieee_param) || !p->pointer){
2669 ipw = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
2674 if (copy_from_user(ipw, p->pointer, p->length)) {
2680 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
2682 if (ipw->u.crypt.set_tx)
2684 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2685 ieee->pairwise_key_type = KEY_TYPE_CCMP;
2686 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2687 ieee->pairwise_key_type = KEY_TYPE_TKIP;
2688 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
2690 if (ipw->u.crypt.key_len == 13)
2691 ieee->pairwise_key_type = KEY_TYPE_WEP104;
2692 else if (ipw->u.crypt.key_len == 5)
2693 ieee->pairwise_key_type = KEY_TYPE_WEP40;
2696 ieee->pairwise_key_type = KEY_TYPE_NA;
2698 if (ieee->pairwise_key_type)
2700 if (memcmp(ieee->ap_mac_addr, zero_addr, 6) == 0)
2701 ieee->iw_mode = IW_MODE_ADHOC;
2703 memcpy((u8*)key, ipw->u.crypt.key, 16);
2704 EnableHWSecurityConfig8192(dev);
2705 set_swcam(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key,0);
2706 setKey(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
2707 if (ieee->iw_mode == IW_MODE_ADHOC){
2708 set_swcam(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key,0);
2709 setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
2712 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && ieee->pHTInfo->bCurrentHTSupport){
2713 write_nic_byte(dev, 0x173, 1);
2719 memcpy((u8*)key, ipw->u.crypt.key, 16);
2720 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2721 ieee->group_key_type= KEY_TYPE_CCMP;
2722 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2723 ieee->group_key_type = KEY_TYPE_TKIP;
2724 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
2726 if (ipw->u.crypt.key_len == 13)
2727 ieee->group_key_type = KEY_TYPE_WEP104;
2728 else if (ipw->u.crypt.key_len == 5)
2729 ieee->group_key_type = KEY_TYPE_WEP40;
2732 ieee->group_key_type = KEY_TYPE_NA;
2734 if (ieee->group_key_type)
2739 ieee->group_key_type,
2747 ieee->group_key_type,
2755 ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data, 0);
2770 void FairBeacon(struct net_device *dev)
2772 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2773 struct rtllib_network *net = &priv->rtllib->current_network;
2775 static u8 forceturn =0;
2776 u16 beaconint = net->beacon_interval;
2778 if (priv->rtllib->iw_mode != IW_MODE_ADHOC)
2781 if (priv->bIbssCoordinator){
2786 priv->rtllib->SetHwRegHandler(dev, HW_VAR_BEACON_INTERVAL, (u8*)(&beaconint));
2791 beaconint=beaconint+2;
2792 priv->rtllib->SetHwRegHandler(dev, HW_VAR_BEACON_INTERVAL, (u8*)(&beaconint));
2800 priv->rtllib->SetHwRegHandler(dev, HW_VAR_BEACON_INTERVAL, (u8*)(&beaconint));
2805 beaconint=beaconint-2;
2806 priv->rtllib->SetHwRegHandler(dev, HW_VAR_BEACON_INTERVAL, (u8*)(&beaconint));
2813 irqreturn_type rtl8192_interrupt(int irq, void *netdev, struct pt_regs *regs)
2815 struct net_device *dev = (struct net_device *) netdev;
2816 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2817 unsigned long flags;
2822 if (priv->irq_enabled == 0){
2826 spin_lock_irqsave(&priv->irq_th_lock,flags);
2828 priv->ops->interrupt_recognized(dev, &inta, &intb);
2829 priv->stats.shints++;
2832 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2836 if (inta == 0xffff) {
2837 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2843 if (!netif_running(dev)) {
2844 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2848 if (inta & IMR_TBDOK){
2849 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2850 priv->stats.txbeaconokint++;
2853 if (inta & IMR_TBDER){
2854 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2855 priv->stats.txbeaconerr++;
2858 if (inta & IMR_BDOK) {
2859 RT_TRACE(COMP_INTR, "beacon interrupt!\n");
2860 #ifdef _ENABLE_SW_BEACON
2861 rtl8192_tx_isr(dev, BEACON_QUEUE);
2865 if (inta & IMR_MGNTDOK ) {
2866 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
2867 priv->stats.txmanageokint++;
2868 rtl8192_tx_isr(dev,MGNT_QUEUE);
2869 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2870 if (priv->rtllib->ack_tx_to_ieee){
2871 if (rtl8192_is_tx_queue_empty(dev)){
2872 priv->rtllib->ack_tx_to_ieee = 0;
2873 rtllib_ps_tx_ack(priv->rtllib, 1);
2876 spin_lock_irqsave(&priv->irq_th_lock,flags);
2879 if (inta & IMR_COMDOK) {
2880 priv->stats.txcmdpktokint++;
2881 rtl8192_tx_isr(dev,TXCMD_QUEUE);
2884 if (inta & IMR_HIGHDOK) {
2885 rtl8192_tx_isr(dev,HIGH_QUEUE);
2890 priv->stats.rxint++;
2891 priv->InterruptLog.nIMR_ROK++;
2892 tasklet_schedule(&priv->irq_rx_tasklet);
2895 if (inta & IMR_BcnInt) {
2896 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
2897 #ifndef _ENABLE_SW_BEACON
2898 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
2902 if (inta & IMR_RDU) {
2903 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
2904 priv->stats.rxrdu++;
2905 write_nic_dword(dev,INTA_MASK,read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
2906 tasklet_schedule(&priv->irq_rx_tasklet);
2909 if (inta & IMR_RXFOVW) {
2910 RT_TRACE(COMP_INTR, "rx overflow !\n");
2911 priv->stats.rxoverflow++;
2912 tasklet_schedule(&priv->irq_rx_tasklet);
2915 if (inta & IMR_TXFOVW) priv->stats.txoverflow++;
2917 if (inta & IMR_BKDOK) {
2918 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
2919 priv->stats.txbkokint++;
2920 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2921 rtl8192_tx_isr(dev,BK_QUEUE);
2924 if (inta & IMR_BEDOK) {
2925 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
2926 priv->stats.txbeokint++;
2927 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2928 rtl8192_tx_isr(dev,BE_QUEUE);
2931 if (inta & IMR_VIDOK) {
2932 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
2933 priv->stats.txviokint++;
2934 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2935 rtl8192_tx_isr(dev,VI_QUEUE);
2938 if (inta & IMR_VODOK) {
2939 priv->stats.txvookint++;
2940 RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n");
2941 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2942 rtl8192_tx_isr(dev,VO_QUEUE);
2945 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2954 /****************************************************************************
2955 ---------------------------- PCI_STUFF---------------------------
2956 *****************************************************************************/
2957 #ifdef HAVE_NET_DEVICE_OPS
2958 static const struct net_device_ops rtl8192_netdev_ops = {
2959 .ndo_open = rtl8192_open,
2960 .ndo_stop = rtl8192_close,
2961 .ndo_tx_timeout = rtl8192_tx_timeout,
2962 .ndo_do_ioctl = rtl8192_ioctl,
2963 .ndo_set_multicast_list = r8192_set_multicast,
2964 .ndo_set_mac_address = r8192_set_mac_adr,
2965 .ndo_validate_addr = eth_validate_addr,
2966 .ndo_change_mtu = eth_change_mtu,
2967 .ndo_start_xmit = rtllib_xmit,
2971 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
2972 const struct pci_device_id *id)
2974 unsigned long ioaddr = 0;
2975 struct net_device *dev = NULL;
2976 struct r8192_priv *priv= NULL;
2977 struct rtl819x_ops *ops = (struct rtl819x_ops *)(id->driver_data);
2978 unsigned long pmem_start, pmem_len, pmem_flags;
2980 bool bdma64 = false;
2983 RT_TRACE(COMP_INIT,"Configuring chip resources");
2985 if ( pci_enable_device (pdev) ){
2986 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
2990 pci_set_master(pdev);
2992 #ifdef CONFIG_64BIT_DMA
2993 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
2994 printk("RTL819xCE: Using 64bit DMA\n");
2995 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
2996 printk( "Unable to obtain 64bit DMA for consistent allocations\n");
2997 pci_disable_device(pdev);
3004 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
3005 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
3006 printk( "Unable to obtain 32bit DMA for consistent allocations\n");
3007 pci_disable_device(pdev);
3012 dev = alloc_rtllib(sizeof(struct r8192_priv));
3017 dev->features |= NETIF_F_HIGHDMA;
3020 pci_set_drvdata(pdev, dev);
3021 SET_NETDEV_DEV(dev, &pdev->dev);
3022 priv = rtllib_priv(dev);
3023 priv->rtllib = (struct rtllib_device *)netdev_priv_rsl(dev);
3025 priv->rtllib->pdev=pdev;
3026 if ((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304))
3027 priv->rtllib->bSupportRemoteWakeUp = 1;
3029 priv->rtllib->bSupportRemoteWakeUp = 0;
3031 pmem_start = pci_resource_start(pdev, 1);
3032 pmem_len = pci_resource_len(pdev, 1);
3033 pmem_flags = pci_resource_flags (pdev, 1);
3035 if (!(pmem_flags & IORESOURCE_MEM)) {
3036 RT_TRACE(COMP_ERR,"region #1 not a MMIO resource, aborting");
3040 printk("Memory mapped space start: 0x%08lx \n", pmem_start);
3041 if (!request_mem_region(pmem_start, pmem_len, DRV_NAME)) {
3042 RT_TRACE(COMP_ERR,"request_mem_region failed!");
3047 ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len);
3048 if ( ioaddr == (unsigned long)NULL ){
3049 RT_TRACE(COMP_ERR,"ioremap failed!");
3053 dev->mem_start = ioaddr;
3054 dev->mem_end = ioaddr + pci_resource_len(pdev, 0);
3056 pci_read_config_byte(pdev, 0x08, &revision_id);
3057 /* If the revisionid is 0x10, the device uses rtl8192se. */
3058 if (pdev->device == 0x8192 && revision_id == 0x10)
3063 if (rtl8192_pci_findadapter(pdev, dev) == false)
3066 dev->irq = pdev->irq;
3069 #ifdef HAVE_NET_DEVICE_OPS
3070 dev->netdev_ops = &rtl8192_netdev_ops;
3072 dev->open = rtl8192_open;
3073 dev->stop = rtl8192_close;
3074 dev->tx_timeout = rtl8192_tx_timeout;
3075 dev->do_ioctl = rtl8192_ioctl;
3076 dev->set_multicast_list = r8192_set_multicast;
3077 dev->set_mac_address = r8192_set_mac_adr;
3078 dev->hard_start_xmit = rtllib_xmit;
3081 dev->wireless_handlers = (struct iw_handler_def *) &r8192_wx_handlers_def;
3082 dev->ethtool_ops = &rtl819x_ethtool_ops;
3084 dev->type = ARPHRD_ETHER;
3085 dev->watchdog_timeo = HZ*3;
3087 if (dev_alloc_name(dev, ifname) < 0){
3088 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
3089 dev_alloc_name(dev, ifname);
3092 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
3093 if (rtl8192_init(dev)!=0){
3094 RT_TRACE(COMP_ERR, "Initialization failed");
3098 #ifdef CONFIG_CFG_80211
3099 if (!rtl8192_register_wiphy_dev(dev))
3103 netif_carrier_off(dev);
3104 netif_stop_queue(dev);
3106 register_netdev(dev);
3107 RT_TRACE(COMP_INIT, "dev name: %s\n",dev->name);
3108 err = rtl_debug_module_init(priv, dev->name);
3110 RT_TRACE(COMP_DBG, "failed to create debugfs files. Ignoring error: %d\n", err);
3112 rtl8192_proc_init_one(dev);
3114 if (priv->polling_timer_on == 0){
3115 check_rfctrl_gpio_timer((unsigned long)dev);
3117 #ifdef CONFIG_RTL_RFKILL
3118 if (priv->ops->init_before_adapter_start) {
3119 priv->ops->init_before_adapter_start(dev);
3120 priv->initialized_at_probe = true;
3122 if (!rtl8192_rfkill_init(dev)) {
3127 RT_TRACE(COMP_INIT, "Driver probe completed\n");
3131 if ( dev->mem_start != (unsigned long)NULL ){
3132 iounmap( (void *)dev->mem_start );
3133 release_mem_region( pci_resource_start(pdev, 1),
3134 pci_resource_len(pdev, 1) );
3141 free_irq(dev->irq, dev);
3147 pci_disable_device(pdev);
3149 DMESG("wlan driver load failed\n");
3150 pci_set_drvdata(pdev, NULL);
3155 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
3157 struct net_device *dev = pci_get_drvdata(pdev);
3158 struct r8192_priv *priv ;
3160 #ifdef CONFIG_RTL_RFKILL
3161 rtl8192_rfkill_exit(dev);
3163 unregister_netdev(dev);
3165 priv = rtllib_priv(dev);
3167 del_timer_sync(&priv->gpio_polling_timer);
3168 cancel_delayed_work(&priv->gpio_change_rf_wq);
3169 priv->polling_timer_on = 0;
3170 rtl_debug_module_remove(priv);
3171 rtl8192_proc_remove_one(dev);
3172 rtl8192_down(dev,true);
3174 if (priv->pFirmware) {
3175 vfree(priv->pFirmware);
3176 priv->pFirmware = NULL;
3178 destroy_workqueue(priv->priv_wq);
3181 rtl8192_free_rx_ring(dev);
3182 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
3183 rtl8192_free_tx_ring(dev, i);
3189 printk("Freeing irq %d\n",dev->irq);
3190 free_irq(dev->irq, dev);
3197 kfree(priv->scan_cmd);
3200 priv=rtllib_priv(dev);
3203 pci_disable_device(pdev);
3204 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
3207 bool NicIFEnableNIC(struct net_device* dev)
3209 bool init_status = true;
3210 struct r8192_priv* priv = rtllib_priv(dev);
3211 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->rtllib->PowerSaveControl));
3213 if (IS_NIC_DOWN(priv)){
3214 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__func__);
3215 priv->bdisable_nic = false;
3216 return RT_STATUS_FAILURE;
3219 RT_TRACE(COMP_PS, "===========>%s()\n",__func__);
3220 priv->bfirst_init = true;
3221 init_status = priv->ops->initialize_adapter(dev);
3222 if (init_status != true) {
3223 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__func__);
3224 priv->bdisable_nic = false;
3227 RT_TRACE(COMP_INIT, "start adapter finished\n");
3228 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
3229 priv->bfirst_init = false;
3231 rtl8192_irq_enable(dev);
3232 priv->bdisable_nic = false;
3233 RT_TRACE(COMP_PS,"<===========%s()\n",__func__);
3236 bool NicIFDisableNIC(struct net_device* dev)
3239 struct r8192_priv* priv = rtllib_priv(dev);
3241 RT_TRACE(COMP_PS, "=========>%s()\n",__func__);
3242 priv->bdisable_nic = true;
3243 tmp_state = priv->rtllib->state;
3244 rtllib_softmac_stop_protocol(priv->rtllib, 0, false);
3245 priv->rtllib->state = tmp_state;
3246 rtl8192_cancel_deferred_work(priv);
3247 rtl8192_irq_disable(dev);
3249 priv->ops->stop_adapter(dev, false);
3250 RT_TRACE(COMP_PS, "<=========%s()\n",__func__);
3255 static int __init rtl8192_pci_module_init(void)
3260 #ifdef BUILT_IN_CRYPTO
3263 printk(KERN_ERR "arc4_init() failed %d\n", ret);
3268 ret = michael_mic_init();
3270 printk(KERN_ERR "michael_mic_init() failed %d\n", ret);
3276 printk(KERN_ERR "aes_init() failed %d\n", ret);
3280 ret = rtllib_init();
3282 printk(KERN_ERR "rtllib_init() failed %d\n", ret);
3285 ret = rtllib_crypto_init();
3287 printk(KERN_ERR "rtllib_crypto_init() failed %d\n", ret);
3290 ret = rtllib_crypto_tkip_init();
3292 printk(KERN_ERR "rtllib_crypto_tkip_init() failed %d\n", ret);
3295 ret = rtllib_crypto_ccmp_init();
3297 printk(KERN_ERR "rtllib_crypto_ccmp_init() failed %d\n", ret);
3300 ret = rtllib_crypto_wep_init();
3302 printk(KERN_ERR "rtllib_crypto_wep_init() failed %d\n", ret);
3305 printk(KERN_INFO "\nLinux kernel driver for RTL8192E WLAN cards\n");
3306 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan Driver\n");
3308 error = rtl_create_debugfs_root();
3310 RT_TRACE(COMP_DBG, "Create debugfs root fail: %d\n", error);
3314 rtl8192_proc_module_init();
3315 if (0!=pci_register_driver(&rtl8192_pci_driver)) {
3316 DMESG("No device found");
3317 /*pci_unregister_driver (&rtl8192_pci_driver);*/
3326 static void __exit rtl8192_pci_module_exit(void)
3328 pci_unregister_driver(&rtl8192_pci_driver);
3330 RT_TRACE(COMP_DOWN, "Exiting");
3331 rtl8192_proc_module_remove();
3332 rtl_remove_debugfs_root();
3333 rtllib_crypto_tkip_exit();
3334 rtllib_crypto_ccmp_exit();
3335 rtllib_crypto_wep_exit();
3336 rtllib_crypto_deinit();
3338 #ifdef BUILT_IN_CRYPTO
3346 void check_rfctrl_gpio_timer(unsigned long data)
3348 struct r8192_priv* priv = rtllib_priv((struct net_device *)data);
3350 priv->polling_timer_on = 1;
3352 queue_delayed_work_rsl(priv->priv_wq,&priv->gpio_change_rf_wq,0);
3354 mod_timer(&priv->gpio_polling_timer, jiffies + MSECS(RTLLIB_WATCH_DOG_TIME));
3357 /***************************************************************************
3358 ------------------- module init / exit stubs ----------------
3359 ****************************************************************************/
3360 module_init(rtl8192_pci_module_init);
3361 module_exit(rtl8192_pci_module_exit);
3363 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
3364 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
3365 MODULE_VERSION(DRV_VERSION);
3366 MODULE_LICENSE("GPL");
3368 module_param(ifname, charp, S_IRUGO|S_IWUSR );
3369 module_param(hwwep,int, S_IRUGO|S_IWUSR);
3370 module_param(channels,int, S_IRUGO|S_IWUSR);
3372 MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default");
3373 MODULE_PARM_DESC(hwwep," Try to use hardware WEP support(default use hw. set 0 to use software security)");
3374 MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");