1 /******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3 * Linux device driver for RTL8192E
5 * Based on the r8180 driver, which is:
6 * Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al.
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
20 * The full GNU General Public License is included in this distribution in the
21 * file called LICENSE.
23 * Contact Information:
24 * Jerry chuang <wlanfae@realtek.com>
28 #include <linux/vmalloc.h>
29 #include <linux/slab.h>
30 #include <asm/uaccess.h>
31 #include "r8192E_hw.h"
33 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
34 #include "r8180_93cx6.h" /* Card EEPROM */
35 #include "r8192E_wx.h"
36 #include "r819xE_phy.h" //added by WB 4.30.2008
37 #include "r819xE_phyreg.h"
38 #include "r819xE_cmdpkt.h"
39 #include "r8192E_dm.h"
46 #include "ieee80211/dot11d.h"
49 //set here to open your trace code. //WB
50 u32 rt_global_debug_component = COMP_ERR ; //always open err flags on
52 static DEFINE_PCI_DEVICE_TABLE(rtl8192_pci_id_tbl) = {
54 { PCI_DEVICE(0x10ec, 0x8192) },
57 { PCI_DEVICE(0x07aa, 0x0044) },
58 { PCI_DEVICE(0x07aa, 0x0047) },
62 static char ifname[IFNAMSIZ] = "wlan%d";
63 static int hwwep = 1; //default use hw. set 0 to use software security
64 static int channels = 0x3fff;
66 MODULE_LICENSE("GPL");
67 MODULE_VERSION("V 1.1");
68 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
69 //MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
70 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
73 module_param_string(ifname, ifname, sizeof(ifname), S_IRUGO|S_IWUSR);
74 module_param(hwwep,int, S_IRUGO|S_IWUSR);
75 module_param(channels,int, S_IRUGO|S_IWUSR);
77 MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default");
78 MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards");
79 MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");
81 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
82 const struct pci_device_id *id);
83 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
85 static struct pci_driver rtl8192_pci_driver = {
86 .name = RTL819xE_MODULE_NAME, /* Driver name */
87 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
88 .probe = rtl8192_pci_probe, /* probe fn */
89 .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
91 .suspend = rtl8192E_suspend, /* PM suspend fn */
92 .resume = rtl8192E_resume, /* PM resume fn */
94 .suspend = NULL, /* PM suspend fn */
95 .resume = NULL, /* PM resume fn */
99 static void rtl8192_start_beacon(struct net_device *dev);
100 static void rtl8192_stop_beacon(struct net_device *dev);
101 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
102 static void rtl8192_irq_rx_tasklet(unsigned long arg);
103 static void rtl8192_irq_tx_tasklet(unsigned long arg);
104 static void rtl8192_prepare_beacon(unsigned long arg);
105 static irqreturn_t rtl8192_interrupt(int irq, void *netdev);
106 static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb);
107 static void rtl8192_update_ratr_table(struct r8192_priv *priv);
108 static void rtl8192_restart(struct work_struct *work);
109 static void watch_dog_timer_callback(unsigned long data);
110 static int _rtl8192_up(struct r8192_priv *priv);
111 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv);
112 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb);
116 typedef struct _CHANNEL_LIST
120 }CHANNEL_LIST, *PCHANNEL_LIST;
122 static const CHANNEL_LIST ChannelPlan[] = {
123 {{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64,149,153,157,161,165},24}, //FCC
124 {{1,2,3,4,5,6,7,8,9,10,11},11}, //IC
125 {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //ETSI
126 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Spain. Change to ETSI.
127 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //France. Change to ETSI.
128 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22}, //MKK //MKK
129 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
130 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Israel.
131 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22}, // For 11a , TELEC
132 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22}, //MIC
133 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14} //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
136 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv)
138 int i, max_chan=-1, min_chan=-1;
139 struct ieee80211_device* ieee = priv->ieee80211;
140 switch (channel_plan)
142 case COUNTRY_CODE_FCC:
143 case COUNTRY_CODE_IC:
144 case COUNTRY_CODE_ETSI:
145 case COUNTRY_CODE_SPAIN:
146 case COUNTRY_CODE_FRANCE:
147 case COUNTRY_CODE_MKK:
148 case COUNTRY_CODE_MKK1:
149 case COUNTRY_CODE_ISRAEL:
150 case COUNTRY_CODE_TELEC:
151 case COUNTRY_CODE_MIC:
154 ieee->bGlobalDomain = false;
155 //acturally 8225 & 8256 rf chip only support B,G,24N mode
159 if (ChannelPlan[channel_plan].Len != 0){
160 // Clear old channel map
161 memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
162 // Set new channel map
163 for (i=0;i<ChannelPlan[channel_plan].Len;i++)
165 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
167 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
172 case COUNTRY_CODE_GLOBAL_DOMAIN:
174 GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting
176 ieee->bGlobalDomain = true;
185 static inline bool rx_hal_is_cck_rate(prx_fwinfo_819x_pci pdrvinfo)
187 return (pdrvinfo->RxRate == DESC90_RATE1M ||
188 pdrvinfo->RxRate == DESC90_RATE2M ||
189 pdrvinfo->RxRate == DESC90_RATE5_5M ||
190 pdrvinfo->RxRate == DESC90_RATE11M) &&
194 void CamResetAllEntry(struct r8192_priv* priv)
196 write_nic_dword(priv, RWCAM, BIT31|BIT30);
199 void write_cam(struct r8192_priv *priv, u8 addr, u32 data)
201 write_nic_dword(priv, WCAMI, data);
202 write_nic_dword(priv, RWCAM, BIT31|BIT16|(addr&0xff) );
205 u32 read_cam(struct r8192_priv *priv, u8 addr)
207 write_nic_dword(priv, RWCAM, 0x80000000|(addr&0xff) );
208 return read_nic_dword(priv, 0xa8);
211 u8 read_nic_byte(struct r8192_priv *priv, int x)
213 struct net_device *dev = priv->ieee80211->dev;
214 return 0xff&readb((u8*)dev->mem_start +x);
217 u32 read_nic_dword(struct r8192_priv *priv, int x)
219 struct net_device *dev = priv->ieee80211->dev;
220 return readl((u8*)dev->mem_start +x);
223 u16 read_nic_word(struct r8192_priv *priv, int x)
225 struct net_device *dev = priv->ieee80211->dev;
226 return readw((u8*)dev->mem_start +x);
229 void write_nic_byte(struct r8192_priv *priv, int x,u8 y)
231 struct net_device *dev = priv->ieee80211->dev;
232 writeb(y,(u8*)dev->mem_start +x);
236 void write_nic_dword(struct r8192_priv *priv, int x,u32 y)
238 struct net_device *dev = priv->ieee80211->dev;
239 writel(y,(u8*)dev->mem_start +x);
243 void write_nic_word(struct r8192_priv *priv, int x,u16 y)
245 struct net_device *dev = priv->ieee80211->dev;
246 writew(y,(u8*)dev->mem_start +x);
250 u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee)
252 static const u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
253 static const u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
254 int wpa_ie_len= ieee->wpa_ie_len;
255 struct ieee80211_crypt_data* crypt;
258 crypt = ieee->crypt[ieee->tx_keyidx];
260 encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) ||
261 (ieee->host_encrypt && crypt && crypt->ops &&
262 (0 == strcmp(crypt->ops->name,"WEP")));
265 if(encrypt && (wpa_ie_len == 0)) {
266 // wep encryption, no N mode setting */
268 } else if((wpa_ie_len != 0)) {
269 // parse pairwise key type */
270 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) ||
271 ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
281 rtl8192e_SetHwReg(struct net_device *dev,u8 variable,u8* val)
283 struct r8192_priv* priv = ieee80211_priv(dev);
289 write_nic_dword(priv, BSSIDR, ((u32*)(val))[0]);
290 write_nic_word(priv, BSSIDR+2, ((u16*)(val+2))[0]);
293 case HW_VAR_MEDIA_STATUS:
295 RT_OP_MODE OpMode = *((RT_OP_MODE *)(val));
296 u8 btMsr = read_nic_byte(priv, MSR);
302 case RT_OP_MODE_INFRASTRUCTURE:
306 case RT_OP_MODE_IBSS:
319 write_nic_byte(priv, MSR, btMsr);
323 case HW_VAR_CHECK_BSSID:
327 Type = ((u8*)(val))[0];
328 RegRCR = read_nic_dword(priv, RCR);
329 priv->ReceiveConfig = RegRCR;
332 RegRCR |= (RCR_CBSSID);
333 else if (Type == false)
334 RegRCR &= (~RCR_CBSSID);
336 write_nic_dword(priv, RCR,RegRCR);
337 priv->ReceiveConfig = RegRCR;
342 case HW_VAR_SLOT_TIME:
344 priv->slot_time = val[0];
345 write_nic_byte(priv, SLOT_TIME, val[0]);
350 case HW_VAR_ACK_PREAMBLE:
353 priv->short_preamble = (bool)(*(u8*)val );
354 regTmp = priv->basic_rate;
355 if (priv->short_preamble)
356 regTmp |= BRSR_AckShortPmb;
357 write_nic_dword(priv, RRSR, regTmp);
362 write_nic_dword(priv, CPU_GEN, ((u32*)(val))[0]);
371 static struct proc_dir_entry *rtl8192_proc = NULL;
373 static int proc_get_stats_ap(char *page, char **start,
374 off_t offset, int count,
375 int *eof, void *data)
377 struct net_device *dev = data;
378 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
379 struct ieee80211_device *ieee = priv->ieee80211;
380 struct ieee80211_network *target;
383 list_for_each_entry(target, &ieee->network_list, list) {
385 len += snprintf(page + len, count - len,
386 "%s ", target->ssid);
388 if(target->wpa_ie_len>0 || target->rsn_ie_len>0){
389 len += snprintf(page + len, count - len,
393 len += snprintf(page + len, count - len,
403 static int proc_get_registers(char *page, char **start,
404 off_t offset, int count,
405 int *eof, void *data)
407 struct net_device *dev = data;
408 struct r8192_priv *priv = ieee80211_priv(dev);
413 /* This dump the current register page */
414 len += snprintf(page + len, count - len,
415 "\n####################page 0##################\n ");
419 len += snprintf(page + len, count - len,
422 for(i=0;i<16 && n<=max;i++,n++)
423 len += snprintf(page + len, count - len,
424 "%2x ",read_nic_byte(priv,n));
426 len += snprintf(page + len, count - len,"\n");
427 len += snprintf(page + len, count - len,
428 "\n####################page 1##################\n ");
431 len += snprintf(page + len, count - len,
434 for(i=0;i<16 && n<=max;i++,n++)
435 len += snprintf(page + len, count - len,
436 "%2x ",read_nic_byte(priv,0x100|n));
439 len += snprintf(page + len, count - len,
440 "\n####################page 3##################\n ");
443 len += snprintf(page + len, count - len,
446 for(i=0;i<16 && n<=max;i++,n++)
447 len += snprintf(page + len, count - len,
448 "%2x ",read_nic_byte(priv,0x300|n));
456 static int proc_get_stats_tx(char *page, char **start,
457 off_t offset, int count,
458 int *eof, void *data)
460 struct net_device *dev = data;
461 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
465 len += snprintf(page + len, count - len,
466 "TX VI priority ok int: %lu\n"
467 "TX VO priority ok int: %lu\n"
468 "TX BE priority ok int: %lu\n"
469 "TX BK priority ok int: %lu\n"
470 "TX MANAGE priority ok int: %lu\n"
471 "TX BEACON priority ok int: %lu\n"
472 "TX BEACON priority error int: %lu\n"
473 "TX CMDPKT priority ok int: %lu\n"
474 "TX queue stopped?: %d\n"
475 "TX fifo overflow: %lu\n"
476 "TX total data packets %lu\n"
477 "TX total data bytes :%lu\n",
478 priv->stats.txviokint,
479 priv->stats.txvookint,
480 priv->stats.txbeokint,
481 priv->stats.txbkokint,
482 priv->stats.txmanageokint,
483 priv->stats.txbeaconokint,
484 priv->stats.txbeaconerr,
485 priv->stats.txcmdpktokint,
486 netif_queue_stopped(dev),
487 priv->stats.txoverflow,
488 priv->ieee80211->stats.tx_packets,
489 priv->ieee80211->stats.tx_bytes);
497 static int proc_get_stats_rx(char *page, char **start,
498 off_t offset, int count,
499 int *eof, void *data)
501 struct net_device *dev = data;
502 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
506 len += snprintf(page + len, count - len,
509 "RX rx overflow error: %lu\n",
512 priv->stats.rxoverflow);
518 static void rtl8192_proc_module_init(void)
520 RT_TRACE(COMP_INIT, "Initializing proc filesystem\n");
521 rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
525 static void rtl8192_proc_module_remove(void)
527 remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net);
531 static void rtl8192_proc_remove_one(struct r8192_priv *priv)
533 struct net_device *dev = priv->ieee80211->dev;
535 printk("dev name=======> %s\n",dev->name);
538 remove_proc_entry("stats-tx", priv->dir_dev);
539 remove_proc_entry("stats-rx", priv->dir_dev);
540 remove_proc_entry("stats-ap", priv->dir_dev);
541 remove_proc_entry("registers", priv->dir_dev);
542 remove_proc_entry("wlan0", rtl8192_proc);
543 priv->dir_dev = NULL;
548 static void rtl8192_proc_init_one(struct r8192_priv *priv)
550 struct net_device *dev = priv->ieee80211->dev;
551 struct proc_dir_entry *e;
553 priv->dir_dev = create_proc_entry(dev->name,
554 S_IFDIR | S_IRUGO | S_IXUGO,
556 if (!priv->dir_dev) {
557 RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
561 e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
562 priv->dir_dev, proc_get_stats_rx, dev);
565 RT_TRACE(COMP_ERR,"Unable to initialize "
566 "/proc/net/rtl8192/%s/stats-rx\n",
571 e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
572 priv->dir_dev, proc_get_stats_tx, dev);
575 RT_TRACE(COMP_ERR, "Unable to initialize "
576 "/proc/net/rtl8192/%s/stats-tx\n",
580 e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
581 priv->dir_dev, proc_get_stats_ap, dev);
584 RT_TRACE(COMP_ERR, "Unable to initialize "
585 "/proc/net/rtl8192/%s/stats-ap\n",
589 e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
590 priv->dir_dev, proc_get_registers, dev);
592 RT_TRACE(COMP_ERR, "Unable to initialize "
593 "/proc/net/rtl8192/%s/registers\n",
598 static short check_nic_enough_desc(struct net_device *dev, int prio)
600 struct r8192_priv *priv = ieee80211_priv(dev);
601 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
603 /* for now we reserve two free descriptor as a safety boundary
604 * between the tail and the head
606 return (ring->entries - skb_queue_len(&ring->queue) >= 2);
609 static void tx_timeout(struct net_device *dev)
611 struct r8192_priv *priv = ieee80211_priv(dev);
613 schedule_work(&priv->reset_wq);
617 static void rtl8192_irq_enable(struct r8192_priv *priv)
621 mask = IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK |
622 IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK |
623 IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW |
624 IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER;
626 write_nic_dword(priv, INTA_MASK, mask);
629 static void rtl8192_irq_disable(struct r8192_priv *priv)
631 write_nic_dword(priv, INTA_MASK, 0);
632 synchronize_irq(priv->irq);
635 static void rtl8192_update_msr(struct r8192_priv *priv)
639 msr = read_nic_byte(priv, MSR);
640 msr &= ~ MSR_LINK_MASK;
642 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
643 * msr must be updated if the state is ASSOCIATING.
644 * this is intentional and make sense for ad-hoc and
645 * master (see the create BSS/IBSS func)
647 if (priv->ieee80211->state == IEEE80211_LINKED){
649 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
650 msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
651 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
652 msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
653 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
654 msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
657 msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
659 write_nic_byte(priv, MSR, msr);
662 static void rtl8192_set_chan(struct net_device *dev,short ch)
664 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
668 /* need to implement rf set channel here WB */
670 if (priv->rf_set_chan)
671 priv->rf_set_chan(dev, priv->chan);
674 static void rtl8192_rx_enable(struct r8192_priv *priv)
676 write_nic_dword(priv, RDQDA, priv->rx_ring_dma);
679 /* the TX_DESC_BASE setting is according to the following queue index
688 * BEACON_QUEUE ===> 8
690 static const u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA};
691 static void rtl8192_tx_enable(struct r8192_priv *priv)
695 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
696 write_nic_dword(priv, TX_DESC_BASE[i], priv->tx_ring[i].dma);
698 ieee80211_reset_queue(priv->ieee80211);
702 static void rtl8192_free_rx_ring(struct r8192_priv *priv)
706 for (i = 0; i < priv->rxringcount; i++) {
707 struct sk_buff *skb = priv->rx_buf[i];
711 pci_unmap_single(priv->pdev,
712 *((dma_addr_t *)skb->cb),
713 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
717 pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount,
718 priv->rx_ring, priv->rx_ring_dma);
719 priv->rx_ring = NULL;
722 static void rtl8192_free_tx_ring(struct r8192_priv *priv, unsigned int prio)
724 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
726 while (skb_queue_len(&ring->queue)) {
727 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
728 struct sk_buff *skb = __skb_dequeue(&ring->queue);
730 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
731 skb->len, PCI_DMA_TODEVICE);
733 ring->idx = (ring->idx + 1) % ring->entries;
736 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
737 ring->desc, ring->dma);
741 void PHY_SetRtl8192eRfOff(struct r8192_priv *priv)
743 //disable RF-Chip A/B
744 rtl8192_setBBreg(priv, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
745 //analog to digital off, for power save
746 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter4, 0x300, 0x0);
747 //digital to analog off, for power save
748 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x18, 0x0);
750 rtl8192_setBBreg(priv, rOFDM0_TRxPathEnable, 0xf, 0x0);
752 rtl8192_setBBreg(priv, rOFDM1_TRxPathEnable, 0xf, 0x0);
753 //analog to digital part2 off, for power save
754 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x60, 0x0);
755 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x4, 0x0);
756 // Analog parameter!!Change bias and Lbus control.
757 write_nic_byte(priv, ANAPAR_FOR_8192PciE, 0x07);
760 static void rtl8192_halt_adapter(struct r8192_priv *priv, bool reset)
762 struct net_device *dev = priv->ieee80211->dev;
767 OpMode = RT_OP_MODE_NO_LINK;
768 priv->ieee80211->SetHwRegHandler(dev, HW_VAR_MEDIA_STATUS, &OpMode);
770 if (!priv->ieee80211->bSupportRemoteWakeUp) {
772 * disable tx/rx. In 8185 we write 0x10 (Reset bit),
773 * but here we make reference to WMAC and wirte 0x0
775 write_nic_byte(priv, CMDR, 0);
783 priv->bHwRfOffAction = 2;
786 * Call MgntActSet_RF_State instead to
787 * prevent RF config race condition.
789 if (!priv->ieee80211->bSupportRemoteWakeUp) {
790 PHY_SetRtl8192eRfOff(priv);
791 ulRegRead = read_nic_dword(priv, CPU_GEN);
792 ulRegRead |= CPU_GEN_SYSTEM_RESET;
793 write_nic_dword(priv,CPU_GEN, ulRegRead);
796 write_nic_dword(priv, WFCRC0, 0xffffffff);
797 write_nic_dword(priv, WFCRC1, 0xffffffff);
798 write_nic_dword(priv, WFCRC2, 0xffffffff);
800 /* Write PMR register */
801 write_nic_byte(priv, PMR, 0x5);
802 /* Disable tx, enanble rx */
803 write_nic_byte(priv, MacBlkCtrl, 0xa);
807 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
808 skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
810 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
811 skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
814 skb_queue_purge(&priv->skb_queue);
817 static void rtl8192_data_hard_stop(struct net_device *dev)
821 static void rtl8192_data_hard_resume(struct net_device *dev)
826 * this function TX data frames when the ieee80211 stack requires this.
827 * It checks also if we need to stop the ieee tx queue, eventually do it
829 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
831 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
833 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
834 u8 queue_index = tcb_desc->queue_index;
836 /* shall not be referred by command packet */
837 BUG_ON(queue_index == TXCMD_QUEUE);
839 if (priv->bHwRadioOff || (!priv->up))
845 memcpy(skb->cb, &dev, sizeof(dev));
847 skb_push(skb, priv->ieee80211->tx_headroom);
848 ret = rtl8192_tx(priv, skb);
853 if (queue_index != MGNT_QUEUE) {
854 priv->ieee80211->stats.tx_bytes += (skb->len - priv->ieee80211->tx_headroom);
855 priv->ieee80211->stats.tx_packets++;
860 * This is a rough attempt to TX a frame
861 * This is called by the ieee 80211 stack to TX management frames.
862 * If the ring is full packet are dropped (for data frame the queue
863 * is stopped before this can happen).
865 static int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
867 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
869 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
870 u8 queue_index = tcb_desc->queue_index;
872 if (queue_index != TXCMD_QUEUE) {
873 if (priv->bHwRadioOff || (!priv->up))
880 memcpy(skb->cb, &dev, sizeof(dev));
881 if (queue_index == TXCMD_QUEUE) {
882 rtl819xE_tx_cmd(priv, skb);
886 tcb_desc->RATRIndex = 7;
887 tcb_desc->bTxDisableRateFallBack = 1;
888 tcb_desc->bTxUseDriverAssingedRate = 1;
889 tcb_desc->bTxEnableFwCalcDur = 1;
890 skb_push(skb, priv->ieee80211->tx_headroom);
891 ret = rtl8192_tx(priv, skb);
901 static void rtl8192_tx_isr(struct r8192_priv *priv, int prio)
903 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
905 while (skb_queue_len(&ring->queue)) {
906 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
910 * beacon packet will only use the first descriptor defaultly,
911 * and the OWN may not be cleared by the hardware
913 if (prio != BEACON_QUEUE) {
916 ring->idx = (ring->idx + 1) % ring->entries;
919 skb = __skb_dequeue(&ring->queue);
920 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
921 skb->len, PCI_DMA_TODEVICE);
926 if (prio != BEACON_QUEUE) {
927 /* try to deal with the pending packets */
928 tasklet_schedule(&priv->irq_tx_tasklet);
932 static void rtl8192_stop_beacon(struct net_device *dev)
936 static void rtl8192_config_rate(struct r8192_priv *priv, u16* rate_config)
938 struct ieee80211_network *net;
939 u8 i=0, basic_rate = 0;
940 net = & priv->ieee80211->current_network;
942 for (i=0; i<net->rates_len; i++)
944 basic_rate = net->rates[i]&0x7f;
947 case MGN_1M: *rate_config |= RRSR_1M; break;
948 case MGN_2M: *rate_config |= RRSR_2M; break;
949 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
950 case MGN_11M: *rate_config |= RRSR_11M; break;
951 case MGN_6M: *rate_config |= RRSR_6M; break;
952 case MGN_9M: *rate_config |= RRSR_9M; break;
953 case MGN_12M: *rate_config |= RRSR_12M; break;
954 case MGN_18M: *rate_config |= RRSR_18M; break;
955 case MGN_24M: *rate_config |= RRSR_24M; break;
956 case MGN_36M: *rate_config |= RRSR_36M; break;
957 case MGN_48M: *rate_config |= RRSR_48M; break;
958 case MGN_54M: *rate_config |= RRSR_54M; break;
961 for (i=0; i<net->rates_ex_len; i++)
963 basic_rate = net->rates_ex[i]&0x7f;
966 case MGN_1M: *rate_config |= RRSR_1M; break;
967 case MGN_2M: *rate_config |= RRSR_2M; break;
968 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
969 case MGN_11M: *rate_config |= RRSR_11M; break;
970 case MGN_6M: *rate_config |= RRSR_6M; break;
971 case MGN_9M: *rate_config |= RRSR_9M; break;
972 case MGN_12M: *rate_config |= RRSR_12M; break;
973 case MGN_18M: *rate_config |= RRSR_18M; break;
974 case MGN_24M: *rate_config |= RRSR_24M; break;
975 case MGN_36M: *rate_config |= RRSR_36M; break;
976 case MGN_48M: *rate_config |= RRSR_48M; break;
977 case MGN_54M: *rate_config |= RRSR_54M; break;
983 #define SHORT_SLOT_TIME 9
984 #define NON_SHORT_SLOT_TIME 20
986 static void rtl8192_update_cap(struct r8192_priv *priv, u16 cap)
989 struct ieee80211_network *net = &priv->ieee80211->current_network;
991 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
992 tmp = priv->basic_rate;
993 if (priv->short_preamble)
994 tmp |= BRSR_AckShortPmb;
995 write_nic_dword(priv, RRSR, tmp);
997 if (net->mode & (IEEE_G|IEEE_N_24G))
1000 if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1002 slot_time = SHORT_SLOT_TIME;
1004 else //long slot time
1005 slot_time = NON_SHORT_SLOT_TIME;
1006 priv->slot_time = slot_time;
1007 write_nic_byte(priv, SLOT_TIME, slot_time);
1012 static void rtl8192_net_update(struct r8192_priv *priv)
1014 struct ieee80211_network *net;
1015 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1016 u16 rate_config = 0;
1017 net = &priv->ieee80211->current_network;
1019 /* update Basic rate: RR, BRSR */
1020 rtl8192_config_rate(priv, &rate_config);
1023 * Select RRSR (in Legacy-OFDM and CCK)
1024 * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M,
1025 * 2M, and 1M from the Basic rate.
1026 * We do not use other rates.
1028 priv->basic_rate = rate_config &= 0x15f;
1031 write_nic_dword(priv, BSSIDR, ((u32 *)net->bssid)[0]);
1032 write_nic_word(priv, BSSIDR+4, ((u16 *)net->bssid)[2]);
1034 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
1036 write_nic_word(priv, ATIMWND, 2);
1037 write_nic_word(priv, BCN_DMATIME, 256);
1038 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
1040 * BIT15 of BCN_DRV_EARLY_INT will indicate
1041 * whether software beacon or hw beacon is applied.
1043 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
1044 write_nic_byte(priv, BCN_ERR_THRESH, 100);
1046 BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
1047 /* TODO: BcnIFS may required to be changed on ASIC */
1048 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
1049 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
1053 static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb)
1055 struct rtl8192_tx_ring *ring;
1056 tx_desc_819x_pci *entry;
1060 unsigned long flags;
1062 ring = &priv->tx_ring[TXCMD_QUEUE];
1063 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1065 spin_lock_irqsave(&priv->irq_th_lock,flags);
1066 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1067 entry = &ring->desc[idx];
1069 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1071 entry->LINIP = tcb_desc->bLastIniPkt;
1072 entry->FirstSeg = 1;//first segment
1073 entry->LastSeg = 1; //last segment
1074 if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) {
1075 entry->CmdInit = DESC_PACKET_TYPE_INIT;
1077 entry->CmdInit = DESC_PACKET_TYPE_NORMAL;
1078 entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8;
1079 entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset);
1080 entry->QueueSelect = QSLT_CMD;
1081 entry->TxFWInfoSize = 0x08;
1082 entry->RATid = (u8)DESC_PACKET_TYPE_INIT;
1084 entry->TxBufferSize = skb->len;
1085 entry->TxBuffAddr = cpu_to_le32(mapping);
1088 __skb_queue_tail(&ring->queue, skb);
1089 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1091 write_nic_byte(priv, TPPoll, TPPoll_CQ);
1097 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1098 * in TxFwInfo data structure
1100 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1106 QueueSelect = QSLT_BE;
1110 QueueSelect = QSLT_BK;
1114 QueueSelect = QSLT_VO;
1118 QueueSelect = QSLT_VI;
1122 QueueSelect = QSLT_MGNT;
1126 QueueSelect = QSLT_BEACON;
1130 QueueSelect = QSLT_CMD;
1135 RT_TRACE(COMP_ERR, "Impossible Queue Selection: %d\n", QueueID);
1141 static u8 MRateToHwRate8190Pci(u8 rate)
1143 u8 ret = DESC90_RATE1M;
1146 case MGN_1M: ret = DESC90_RATE1M; break;
1147 case MGN_2M: ret = DESC90_RATE2M; break;
1148 case MGN_5_5M: ret = DESC90_RATE5_5M; break;
1149 case MGN_11M: ret = DESC90_RATE11M; break;
1150 case MGN_6M: ret = DESC90_RATE6M; break;
1151 case MGN_9M: ret = DESC90_RATE9M; break;
1152 case MGN_12M: ret = DESC90_RATE12M; break;
1153 case MGN_18M: ret = DESC90_RATE18M; break;
1154 case MGN_24M: ret = DESC90_RATE24M; break;
1155 case MGN_36M: ret = DESC90_RATE36M; break;
1156 case MGN_48M: ret = DESC90_RATE48M; break;
1157 case MGN_54M: ret = DESC90_RATE54M; break;
1159 // HT rate since here
1160 case MGN_MCS0: ret = DESC90_RATEMCS0; break;
1161 case MGN_MCS1: ret = DESC90_RATEMCS1; break;
1162 case MGN_MCS2: ret = DESC90_RATEMCS2; break;
1163 case MGN_MCS3: ret = DESC90_RATEMCS3; break;
1164 case MGN_MCS4: ret = DESC90_RATEMCS4; break;
1165 case MGN_MCS5: ret = DESC90_RATEMCS5; break;
1166 case MGN_MCS6: ret = DESC90_RATEMCS6; break;
1167 case MGN_MCS7: ret = DESC90_RATEMCS7; break;
1168 case MGN_MCS8: ret = DESC90_RATEMCS8; break;
1169 case MGN_MCS9: ret = DESC90_RATEMCS9; break;
1170 case MGN_MCS10: ret = DESC90_RATEMCS10; break;
1171 case MGN_MCS11: ret = DESC90_RATEMCS11; break;
1172 case MGN_MCS12: ret = DESC90_RATEMCS12; break;
1173 case MGN_MCS13: ret = DESC90_RATEMCS13; break;
1174 case MGN_MCS14: ret = DESC90_RATEMCS14; break;
1175 case MGN_MCS15: ret = DESC90_RATEMCS15; break;
1176 case (0x80|0x20): ret = DESC90_RATEMCS32; break;
1184 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1188 tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);
1190 if(TxHT==1 && TxRate != DESC90_RATEMCS15)
1197 * The tx procedure is just as following,
1198 * skb->cb will contain all the following information,
1199 * priority, morefrag, rate, &dev.
1201 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb)
1203 struct rtl8192_tx_ring *ring;
1204 unsigned long flags;
1205 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1206 tx_desc_819x_pci *pdesc = NULL;
1207 TX_FWINFO_8190PCI *pTxFwInfo = NULL;
1209 bool multi_addr = false, broad_addr = false, uni_addr = false;
1210 u8 *pda_addr = NULL;
1213 if (priv->bdisable_nic) {
1214 RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
1215 skb->len, tcb_desc->queue_index);
1220 priv->ieee80211->bAwakePktSent = true;
1223 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1225 /* collect the tx packets statitcs */
1226 pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI);
1227 if (is_multicast_ether_addr(pda_addr))
1229 else if (is_broadcast_ether_addr(pda_addr))
1235 priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1237 /* fill tx firmware */
1238 pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
1239 memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI));
1240 pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
1241 pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
1242 pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1243 pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);
1245 /* Aggregation related */
1246 if (tcb_desc->bAMPDUEnable) {
1247 pTxFwInfo->AllowAggregation = 1;
1248 pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
1249 pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
1251 pTxFwInfo->AllowAggregation = 0;
1252 pTxFwInfo->RxMF = 0;
1253 pTxFwInfo->RxAMD = 0;
1256 /* Protection mode related */
1257 pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1258 pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1259 pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1260 pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
1261 pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1262 pTxFwInfo->RtsBandwidth = 0;
1263 pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
1264 pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0);
1266 /* Set Bandwidth and sub-channel settings. */
1267 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1268 if (tcb_desc->bPacketBW) {
1269 pTxFwInfo->TxBandwidth = 1;
1270 /* use duplicated mode */
1271 pTxFwInfo->TxSubCarrier = 0;
1273 pTxFwInfo->TxBandwidth = 0;
1274 pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1277 pTxFwInfo->TxBandwidth = 0;
1278 pTxFwInfo->TxSubCarrier = 0;
1281 spin_lock_irqsave(&priv->irq_th_lock, flags);
1282 ring = &priv->tx_ring[tcb_desc->queue_index];
1283 if (tcb_desc->queue_index != BEACON_QUEUE)
1284 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1288 pdesc = &ring->desc[idx];
1289 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
1290 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x\n",
1291 tcb_desc->queue_index, ring->idx, idx, skb->len);
1292 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1296 /* fill tx descriptor */
1297 memset(pdesc, 0, 12);
1302 pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */
1303 pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);
1306 pdesc->SecCAMID = 0;
1307 pdesc->RATid = tcb_desc->RATRIndex;
1310 pdesc->SecType = 0x0;
1311 if (tcb_desc->bHwSec) {
1312 switch (priv->ieee80211->pairwise_key_type) {
1313 case KEY_TYPE_WEP40:
1314 case KEY_TYPE_WEP104:
1315 pdesc->SecType = 0x1;
1319 pdesc->SecType = 0x2;
1323 pdesc->SecType = 0x3;
1327 pdesc->SecType = 0x0;
1336 pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1337 pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
1339 pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
1340 pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1342 pdesc->FirstSeg = 1;
1344 pdesc->TxBufferSize = skb->len;
1346 pdesc->TxBuffAddr = cpu_to_le32(mapping);
1347 __skb_queue_tail(&ring->queue, skb);
1349 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1350 priv->ieee80211->dev->trans_start = jiffies;
1351 write_nic_word(priv, TPPoll, 0x01<<tcb_desc->queue_index);
1355 static short rtl8192_alloc_rx_desc_ring(struct r8192_priv *priv)
1357 rx_desc_819x_pci *entry = NULL;
1360 priv->rx_ring = pci_alloc_consistent(priv->pdev,
1361 sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma);
1363 if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
1364 RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
1368 memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount);
1371 for (i = 0; i < priv->rxringcount; i++) {
1372 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1373 dma_addr_t *mapping;
1374 entry = &priv->rx_ring[i];
1377 priv->rx_buf[i] = skb;
1378 mapping = (dma_addr_t *)skb->cb;
1379 *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
1380 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1382 entry->BufferAddress = cpu_to_le32(*mapping);
1384 entry->Length = priv->rxbuffersize;
1392 static int rtl8192_alloc_tx_desc_ring(struct r8192_priv *priv,
1393 unsigned int prio, unsigned int entries)
1395 tx_desc_819x_pci *ring;
1399 ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1400 if (!ring || (unsigned long)ring & 0xFF) {
1401 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
1405 memset(ring, 0, sizeof(*ring)*entries);
1406 priv->tx_ring[prio].desc = ring;
1407 priv->tx_ring[prio].dma = dma;
1408 priv->tx_ring[prio].idx = 0;
1409 priv->tx_ring[prio].entries = entries;
1410 skb_queue_head_init(&priv->tx_ring[prio].queue);
1412 for (i = 0; i < entries; i++)
1413 ring[i].NextDescAddress =
1414 cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
1419 static short rtl8192_pci_initdescring(struct r8192_priv *priv)
1424 ret = rtl8192_alloc_rx_desc_ring(priv);
1428 /* general process for other queue */
1429 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1430 ret = rtl8192_alloc_tx_desc_ring(priv, i, priv->txringcount);
1432 goto err_free_rings;
1438 rtl8192_free_rx_ring(priv);
1439 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1440 if (priv->tx_ring[i].desc)
1441 rtl8192_free_tx_ring(priv, i);
1445 static void rtl8192_pci_resetdescring(struct r8192_priv *priv)
1449 /* force the rx_idx to the first one */
1451 rx_desc_819x_pci *entry = NULL;
1452 for (i = 0; i < priv->rxringcount; i++) {
1453 entry = &priv->rx_ring[i];
1459 /* after reset, release previous pending packet, and force the
1460 * tx idx to the first one */
1461 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1462 if (priv->tx_ring[i].desc) {
1463 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
1465 while (skb_queue_len(&ring->queue)) {
1466 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1467 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1469 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1470 skb->len, PCI_DMA_TODEVICE);
1472 ring->idx = (ring->idx + 1) % ring->entries;
1479 static void rtl8192_link_change(struct net_device *dev)
1481 struct r8192_priv *priv = ieee80211_priv(dev);
1482 struct ieee80211_device* ieee = priv->ieee80211;
1484 if (ieee->state == IEEE80211_LINKED)
1486 rtl8192_net_update(priv);
1487 rtl8192_update_ratr_table(priv);
1489 //add this as in pure N mode, wep encryption will use software way, but there is no chance to set this as wep will not set group key in wext. WB.2008.07.08
1490 if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
1491 EnableHWSecurityConfig8192(priv);
1495 write_nic_byte(priv, 0x173, 0);
1498 rtl8192_update_msr(priv);
1500 // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
1501 // // To set CBSSID bit when link with any AP or STA.
1502 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
1505 reg = read_nic_dword(priv, RCR);
1506 if (priv->ieee80211->state == IEEE80211_LINKED)
1507 priv->ReceiveConfig = reg |= RCR_CBSSID;
1509 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1510 write_nic_dword(priv, RCR, reg);
1515 static const struct ieee80211_qos_parameters def_qos_parameters = {
1516 {3,3,3,3},/* cw_min */
1517 {7,7,7,7},/* cw_max */
1518 {2,2,2,2},/* aifs */
1519 {0,0,0,0},/* flags */
1520 {0,0,0,0} /* tx_op_limit */
1523 static void rtl8192_update_beacon(struct work_struct * work)
1525 struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
1526 struct ieee80211_device* ieee = priv->ieee80211;
1527 struct ieee80211_network* net = &ieee->current_network;
1529 if (ieee->pHTInfo->bCurrentHTSupport)
1530 HTUpdateSelfAndPeerSetting(ieee, net);
1531 ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
1532 rtl8192_update_cap(priv, net->capability);
1536 * background support to run QoS activate functionality
1538 static const int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
1539 static void rtl8192_qos_activate(struct work_struct * work)
1541 struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
1542 struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
1543 u8 mode = priv->ieee80211->current_network.mode;
1548 mutex_lock(&priv->mutex);
1549 if(priv->ieee80211->state != IEEE80211_LINKED)
1551 RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
1552 /* It better set slot time at first */
1553 /* For we just support b/g mode at present, let the slot time at 9/20 selection */
1554 /* update the ac parameter to related registers */
1555 for(i = 0; i < QOS_QUEUE_NUM; i++) {
1556 //Mode G/A: slotTimeTimer = 9; Mode B: 20
1557 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
1558 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
1559 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
1560 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
1561 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
1562 write_nic_dword(priv, WDCAPARA_ADD[i], u4bAcParam);
1566 mutex_unlock(&priv->mutex);
1569 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1571 struct ieee80211_network *network)
1574 u32 size = sizeof(struct ieee80211_qos_parameters);
1576 if(priv->ieee80211->state !=IEEE80211_LINKED)
1579 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1582 if (network->flags & NETWORK_HAS_QOS_MASK) {
1583 if (active_network &&
1584 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1585 network->qos_data.active = network->qos_data.supported;
1587 if ((network->qos_data.active == 1) && (active_network == 1) &&
1588 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1589 (network->qos_data.old_param_count !=
1590 network->qos_data.param_count)) {
1591 network->qos_data.old_param_count =
1592 network->qos_data.param_count;
1593 queue_work(priv->priv_wq, &priv->qos_activate);
1594 RT_TRACE (COMP_QOS, "QoS parameters change call "
1598 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1599 &def_qos_parameters, size);
1601 if ((network->qos_data.active == 1) && (active_network == 1)) {
1602 queue_work(priv->priv_wq, &priv->qos_activate);
1603 RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate\n");
1605 network->qos_data.active = 0;
1606 network->qos_data.supported = 0;
1612 /* handle manage frame frame beacon and probe response */
1613 static int rtl8192_handle_beacon(struct net_device * dev,
1614 struct ieee80211_beacon * beacon,
1615 struct ieee80211_network * network)
1617 struct r8192_priv *priv = ieee80211_priv(dev);
1619 rtl8192_qos_handle_probe_response(priv,1,network);
1621 queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1627 * handling the beaconing responses. if we get different QoS setting
1628 * off the network from the associated setting, adjust the QoS setting
1630 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1631 struct ieee80211_network *network)
1634 unsigned long flags;
1635 u32 size = sizeof(struct ieee80211_qos_parameters);
1636 int set_qos_param = 0;
1638 if ((priv == NULL) || (network == NULL))
1641 if (priv->ieee80211->state != IEEE80211_LINKED)
1644 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1647 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1648 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1649 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1650 &network->qos_data.parameters,
1651 sizeof(struct ieee80211_qos_parameters));
1652 priv->ieee80211->current_network.qos_data.active = 1;
1654 /* update qos parameter for current network */
1655 priv->ieee80211->current_network.qos_data.old_param_count =
1656 priv->ieee80211->current_network.qos_data.param_count;
1657 priv->ieee80211->current_network.qos_data.param_count =
1658 network->qos_data.param_count;
1661 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1662 &def_qos_parameters, size);
1663 priv->ieee80211->current_network.qos_data.active = 0;
1664 priv->ieee80211->current_network.qos_data.supported = 0;
1668 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1670 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __FUNCTION__,
1671 network->flags, priv->ieee80211->current_network.qos_data.active);
1672 if (set_qos_param == 1)
1673 queue_work(priv->priv_wq, &priv->qos_activate);
1679 static int rtl8192_handle_assoc_response(struct net_device *dev,
1680 struct ieee80211_assoc_response_frame *resp,
1681 struct ieee80211_network *network)
1683 struct r8192_priv *priv = ieee80211_priv(dev);
1684 rtl8192_qos_association_resp(priv, network);
1689 /* updateRATRTabel for MCS only. Basic rate is not implemented. */
1690 static void rtl8192_update_ratr_table(struct r8192_priv* priv)
1692 struct ieee80211_device* ieee = priv->ieee80211;
1693 u8* pMcsRate = ieee->dot11HTOperationalRateSet;
1697 rtl8192_config_rate(priv, (u16*)(&ratr_value));
1698 ratr_value |= (*(u16*)(pMcsRate)) << 12;
1703 ratr_value &= 0x00000FF0;
1706 ratr_value &= 0x0000000F;
1709 ratr_value &= 0x00000FF7;
1713 if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
1714 ratr_value &= 0x0007F007;
1716 if (priv->rf_type == RF_1T2R)
1717 ratr_value &= 0x000FF007;
1719 ratr_value &= 0x0F81F007;
1725 ratr_value &= 0x0FFFFFFF;
1726 if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
1727 ratr_value |= 0x80000000;
1728 }else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
1729 ratr_value |= 0x80000000;
1731 write_nic_dword(priv, RATR0+rate_index*4, ratr_value);
1732 write_nic_byte(priv, UFWP, 1);
1735 static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
1737 struct r8192_priv *priv = ieee80211_priv(dev);
1738 struct ieee80211_device *ieee = priv->ieee80211;
1740 return !(ieee->rtllib_ap_sec_type &&
1741 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP)));
1744 static void rtl8192_refresh_supportrate(struct r8192_priv* priv)
1746 struct ieee80211_device* ieee = priv->ieee80211;
1747 //we donot consider set support rate for ABG mode, only HT MCS rate is set here.
1748 if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
1750 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
1753 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
1756 static u8 rtl8192_getSupportedWireleeMode(void)
1758 return (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
1761 static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
1763 struct r8192_priv *priv = ieee80211_priv(dev);
1764 u8 bSupportMode = rtl8192_getSupportedWireleeMode();
1766 if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
1768 if(bSupportMode & WIRELESS_MODE_N_24G)
1770 wireless_mode = WIRELESS_MODE_N_24G;
1772 else if(bSupportMode & WIRELESS_MODE_N_5G)
1774 wireless_mode = WIRELESS_MODE_N_5G;
1776 else if((bSupportMode & WIRELESS_MODE_A))
1778 wireless_mode = WIRELESS_MODE_A;
1780 else if((bSupportMode & WIRELESS_MODE_G))
1782 wireless_mode = WIRELESS_MODE_G;
1784 else if((bSupportMode & WIRELESS_MODE_B))
1786 wireless_mode = WIRELESS_MODE_B;
1789 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
1790 wireless_mode = WIRELESS_MODE_B;
1793 priv->ieee80211->mode = wireless_mode;
1795 if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G))
1796 priv->ieee80211->pHTInfo->bEnableHT = 1;
1798 priv->ieee80211->pHTInfo->bEnableHT = 0;
1799 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
1800 rtl8192_refresh_supportrate(priv);
1803 static bool GetHalfNmodeSupportByAPs819xPci(struct net_device* dev)
1805 struct r8192_priv* priv = ieee80211_priv(dev);
1806 struct ieee80211_device* ieee = priv->ieee80211;
1808 return ieee->bHalfWirelessN24GMode;
1811 static short rtl8192_is_tx_queue_empty(struct net_device *dev)
1814 struct r8192_priv *priv = ieee80211_priv(dev);
1815 for (i=0; i<=MGNT_QUEUE; i++)
1817 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
1819 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
1820 printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1827 static void rtl8192_hw_sleep_down(struct net_device *dev)
1829 struct r8192_priv *priv = ieee80211_priv(dev);
1830 MgntActSet_RF_State(priv, eRfSleep, RF_CHANGE_BY_PS);
1833 static void rtl8192_hw_wakeup(struct net_device* dev)
1835 struct r8192_priv *priv = ieee80211_priv(dev);
1836 MgntActSet_RF_State(priv, eRfOn, RF_CHANGE_BY_PS);
1839 static void rtl8192_hw_wakeup_wq (struct work_struct *work)
1841 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
1842 struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
1843 struct net_device *dev = ieee->dev;
1844 rtl8192_hw_wakeup(dev);
1848 #define MIN_SLEEP_TIME 50
1849 #define MAX_SLEEP_TIME 10000
1850 static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
1852 struct r8192_priv *priv = ieee80211_priv(dev);
1856 // Writing HW register with 0 equals to disable
1857 // the timer, that is not really what we want
1859 tl -= MSECS(8+16+7);
1861 // If the interval in witch we are requested to sleep is too
1862 // short then give up and remain awake
1863 // when we sleep after send null frame, the timer will be too short to sleep.
1865 if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
1866 ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
1867 printk("too short to sleep::%x, %x, %lx\n",tl, rb, MSECS(MIN_SLEEP_TIME));
1871 if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
1872 ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
1873 ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
1874 printk("========>too long to sleep:%x, %x, %lx\n", tl, rb, MSECS(MAX_SLEEP_TIME));
1878 tmp = (tl>rb)?(tl-rb):(rb-tl);
1879 queue_delayed_work(priv->ieee80211->wq,
1880 &priv->ieee80211->hw_wakeup_wq,tmp);
1882 rtl8192_hw_sleep_down(dev);
1885 static void rtl8192_init_priv_variable(struct r8192_priv *priv)
1888 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
1890 // Default Halt the NIC if RF is OFF.
1891 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
1892 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
1893 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
1894 pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
1895 pPSC->bLeisurePs = true;
1896 priv->ieee80211->RegMaxLPSAwakeIntvl = 5;
1897 priv->bHwRadioOff = false;
1899 priv->being_init_adapter = false;
1900 priv->txringcount = 64;//32;
1901 priv->rxbuffersize = 9100;//2048;//1024;
1902 priv->rxringcount = MAX_RX_COUNT;//64;
1903 priv->chan = 1; //set to channel 1
1904 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1905 priv->RegChannelPlan = 0xf;
1906 priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
1907 priv->ieee80211->iw_mode = IW_MODE_INFRA;
1908 priv->ieee80211->ieee_up=0;
1909 priv->retry_rts = DEFAULT_RETRY_RTS;
1910 priv->retry_data = DEFAULT_RETRY_DATA;
1911 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
1912 priv->ieee80211->rate = 110; //11 mbps
1913 priv->ieee80211->short_slot = 1;
1914 priv->promisc = (priv->ieee80211->dev->flags & IFF_PROMISC) ? 1:0;
1915 priv->bcck_in_ch14 = false;
1916 priv->CCKPresentAttentuation = 0;
1917 priv->rfa_txpowertrackingindex = 0;
1918 priv->rfc_txpowertrackingindex = 0;
1920 //added by amy for silent reset
1921 priv->ResetProgress = RESET_TYPE_NORESET;
1922 priv->bForcedSilentReset = 0;
1923 priv->bDisableNormalResetCheck = false;
1924 priv->force_reset = false;
1925 //added by amy for power save
1926 priv->RfOffReason = 0;
1927 priv->bHwRfOffAction = 0;
1928 priv->PowerSaveControl.bInactivePs = true;
1929 priv->PowerSaveControl.bIPSModeBackup = false;
1931 priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1932 priv->ieee80211->iw_mode = IW_MODE_INFRA;
1933 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
1934 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
1935 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* |
1936 IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //| //IEEE_SOFTMAC_SINGLE_QUEUE;
1938 priv->ieee80211->active_scan = 1;
1939 priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
1940 priv->ieee80211->host_encrypt = 1;
1941 priv->ieee80211->host_decrypt = 1;
1942 priv->ieee80211->start_send_beacons = rtl8192_start_beacon;//+by david 081107
1943 priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;//+by david 081107
1944 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1945 priv->ieee80211->set_chan = rtl8192_set_chan;
1946 priv->ieee80211->link_change = rtl8192_link_change;
1947 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1948 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
1949 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
1950 priv->ieee80211->init_wmmparam_flag = 0;
1951 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
1952 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
1953 priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI);
1954 priv->ieee80211->qos_support = 1;
1955 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
1956 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
1957 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
1959 priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup;
1960 priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep;
1961 priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1962 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci;
1963 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
1964 priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci;
1966 priv->ieee80211->InitialGainHandler = InitialGain819xPci;
1969 priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
1970 priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
1973 priv->ieee80211->LeisurePSLeave = LeisurePSLeave;
1976 priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
1977 priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
1979 priv->ShortRetryLimit = 0x30;
1980 priv->LongRetryLimit = 0x30;
1982 priv->ReceiveConfig = RCR_ADD3 |
1983 RCR_AMF | RCR_ADF | //accept management/data
1984 RCR_AICV | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
1985 RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
1986 RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) |
1987 ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT;
1989 priv->pFirmware = vzalloc(sizeof(rt_firmware));
1991 /* rx related queue */
1992 skb_queue_head_init(&priv->skb_queue);
1994 /* Tx related queue */
1995 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1996 skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
1998 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1999 skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
2001 priv->rf_set_chan = rtl8192_phy_SwChnl;
2004 static void rtl8192_init_priv_lock(struct r8192_priv* priv)
2006 spin_lock_init(&priv->irq_th_lock);
2007 spin_lock_init(&priv->rf_ps_lock);
2008 sema_init(&priv->wx_sem,1);
2009 sema_init(&priv->rf_sem,1);
2010 mutex_init(&priv->mutex);
2013 /* init tasklet and wait_queue here */
2014 #define DRV_NAME "wlan0"
2015 static void rtl8192_init_priv_task(struct r8192_priv *priv)
2017 priv->priv_wq = create_workqueue(DRV_NAME);
2020 INIT_WORK(&priv->ieee80211->ips_leave_wq, IPSLeave_wq);
2023 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2024 INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
2025 INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback);
2026 INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback);
2027 INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
2028 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2029 INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq, rtl8192_hw_wakeup_wq);
2031 tasklet_init(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet,
2032 (unsigned long) priv);
2033 tasklet_init(&priv->irq_tx_tasklet, rtl8192_irq_tx_tasklet,
2034 (unsigned long) priv);
2035 tasklet_init(&priv->irq_prepare_beacon_tasklet, rtl8192_prepare_beacon,
2036 (unsigned long) priv);
2039 static void rtl8192_get_eeprom_size(struct r8192_priv *priv)
2042 RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__);
2043 curCR = read_nic_dword(priv, EPROM_CMD);
2044 RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR);
2045 //whether need I consider BIT5?
2046 priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2047 RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
2051 * Adapter->EEPROMAddressSize should be set before this function call.
2052 * EEPROM address size can be got through GetEEPROMSize8185()
2054 static void rtl8192_read_eeprom_info(struct r8192_priv *priv)
2056 struct net_device *dev = priv->ieee80211->dev;
2058 u8 ICVer8192, ICVer8256;
2059 u16 i,usValue, IC_Version;
2061 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
2062 RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n");
2065 // TODO: I don't know if we need to apply EF function to EEPROM read function
2067 //2 Read EEPROM ID to make sure autoload is success
2068 EEPROMId = eprom_read(priv, 0);
2069 if( EEPROMId != RTL8190_EEPROM_ID )
2071 RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID);
2072 priv->AutoloadFailFlag=true;
2076 priv->AutoloadFailFlag=false;
2080 // Assign Chip Version ID
2082 // Read IC Version && Channel Plan
2083 if(!priv->AutoloadFailFlag)
2086 priv->eeprom_vid = eprom_read(priv, (EEPROM_VID >> 1));
2087 priv->eeprom_did = eprom_read(priv, (EEPROM_DID >> 1));
2089 usValue = eprom_read(priv, (u16)(EEPROM_Customer_ID>>1)) >> 8 ;
2090 priv->eeprom_CustomerID = (u8)( usValue & 0xff);
2091 usValue = eprom_read(priv, (EEPROM_ICVersion_ChannelPlan>>1));
2092 priv->eeprom_ChannelPlan = usValue&0xff;
2093 IC_Version = ((usValue&0xff00)>>8);
2095 ICVer8192 = (IC_Version&0xf); //bit0~3; 1:A cut, 2:B cut, 3:C cut...
2096 ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
2097 RT_TRACE(COMP_INIT, "ICVer8192 = 0x%x\n", ICVer8192);
2098 RT_TRACE(COMP_INIT, "ICVer8256 = 0x%x\n", ICVer8256);
2099 if(ICVer8192 == 0x2) //B-cut
2101 if(ICVer8256 == 0x5) //E-cut
2102 priv->card_8192_version= VERSION_8190_BE;
2105 switch(priv->card_8192_version)
2107 case VERSION_8190_BD:
2108 case VERSION_8190_BE:
2111 priv->card_8192_version = VERSION_8190_BD;
2114 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version);
2118 priv->card_8192_version = VERSION_8190_BD;
2119 priv->eeprom_vid = 0;
2120 priv->eeprom_did = 0;
2121 priv->eeprom_CustomerID = 0;
2122 priv->eeprom_ChannelPlan = 0;
2123 RT_TRACE(COMP_INIT, "IC Version = 0x%x\n", 0xff);
2126 RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
2127 RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did);
2128 RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
2130 //2 Read Permanent MAC address
2131 if(!priv->AutoloadFailFlag)
2133 for(i = 0; i < 6; i += 2)
2135 usValue = eprom_read(priv, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1));
2136 *(u16*)(&dev->dev_addr[i]) = usValue;
2139 // when auto load failed, the last address byte set to be a random one.
2140 // added by david woo.2007/11/7
2141 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2144 RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr);
2146 //2 TX Power Check EEPROM Fail or not
2147 if(priv->card_8192_version > VERSION_8190_BD) {
2148 priv->bTXPowerDataReadFromEEPORM = true;
2150 priv->bTXPowerDataReadFromEEPORM = false;
2153 // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
2154 priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2156 if(priv->card_8192_version > VERSION_8190_BD)
2158 // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
2159 if(!priv->AutoloadFailFlag)
2161 tempval = (eprom_read(priv, (EEPROM_RFInd_PowerDiff>>1))) & 0xff;
2162 priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf; // bit[3:0]
2164 if (tempval&0x80) //RF-indication, bit[7]
2165 priv->rf_type = RF_1T2R;
2167 priv->rf_type = RF_2T4R;
2171 priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff;
2173 RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n",
2174 priv->EEPROMLegacyHTTxPowerDiff);
2176 // Read ThermalMeter from EEPROM
2177 if(!priv->AutoloadFailFlag)
2179 priv->EEPROMThermalMeter = (u8)(((eprom_read(priv, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8);
2183 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2185 RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter);
2186 //vivi, for tx power track
2187 priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
2189 if(priv->epromtype == EPROM_93c46)
2191 // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
2192 if(!priv->AutoloadFailFlag)
2194 usValue = eprom_read(priv, (EEPROM_TxPwDiff_CrystalCap>>1));
2195 priv->EEPROMAntPwDiff = (usValue&0x0fff);
2196 priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12);
2200 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2201 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2203 RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2204 RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2207 // Get per-channel Tx Power Level
2209 for(i=0; i<14; i+=2)
2211 if(!priv->AutoloadFailFlag)
2213 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) );
2217 usValue = EEPROM_Default_TxPower;
2219 *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue;
2220 RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]);
2221 RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]);
2223 for(i=0; i<14; i+=2)
2225 if(!priv->AutoloadFailFlag)
2227 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) );
2231 usValue = EEPROM_Default_TxPower;
2233 *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue;
2234 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]);
2235 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]);
2240 // Update HAL variables.
2242 if(priv->epromtype == EPROM_93c46)
2246 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i];
2247 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i];
2249 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2250 // Antenna B gain offset to antenna A, bit0~3
2251 priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf);
2252 // Antenna C gain offset to antenna A, bit4~7
2253 priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4);
2254 // Antenna D gain offset to antenna A, bit8~11
2255 priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8);
2256 // CrystalCap, bit12~15
2257 priv->CrystalCap = priv->EEPROMCrystalCap;
2258 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2259 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2260 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2262 else if(priv->epromtype == EPROM_93c56)
2264 for(i=0; i<3; i++) // channel 1~3 use the same Tx Power Level.
2266 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[0];
2267 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0];
2268 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[0];
2269 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0];
2271 for(i=3; i<9; i++) // channel 4~9 use the same Tx Power Level
2273 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[1];
2274 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1];
2275 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[1];
2276 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1];
2278 for(i=9; i<14; i++) // channel 10~14 use the same Tx Power Level
2280 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[2];
2281 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2];
2282 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[2];
2283 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2];
2286 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]);
2288 RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]);
2290 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]);
2292 RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]);
2293 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2294 priv->AntennaTxPwDiff[0] = 0;
2295 priv->AntennaTxPwDiff[1] = 0;
2296 priv->AntennaTxPwDiff[2] = 0;
2297 priv->CrystalCap = priv->EEPROMCrystalCap;
2298 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2299 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2300 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2304 if(priv->rf_type == RF_1T2R)
2306 RT_TRACE(COMP_INIT, "1T2R config\n");
2308 else if (priv->rf_type == RF_2T4R)
2310 RT_TRACE(COMP_INIT, "2T4R config\n");
2313 // 2008/01/16 MH We can only know RF type in the function. So we have to init
2314 // DIG RATR table again.
2315 init_rate_adaptive(dev);
2317 //1 Make a copy for following variables and we can change them if we want
2319 if(priv->RegChannelPlan == 0xf)
2321 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2325 priv->ChannelPlan = priv->RegChannelPlan;
2329 // Used PID and DID to Set CustomerID
2331 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304 )
2333 priv->CustomerID = RT_CID_DLINK;
2336 switch(priv->eeprom_CustomerID)
2338 case EEPROM_CID_DEFAULT:
2339 priv->CustomerID = RT_CID_DEFAULT;
2341 case EEPROM_CID_CAMEO:
2342 priv->CustomerID = RT_CID_819x_CAMEO;
2344 case EEPROM_CID_RUNTOP:
2345 priv->CustomerID = RT_CID_819x_RUNTOP;
2347 case EEPROM_CID_NetCore:
2348 priv->CustomerID = RT_CID_819x_Netcore;
2350 case EEPROM_CID_TOSHIBA: // Merge by Jacken, 2008/01/31
2351 priv->CustomerID = RT_CID_TOSHIBA;
2352 if(priv->eeprom_ChannelPlan&0x80)
2353 priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f;
2355 priv->ChannelPlan = 0x0;
2356 RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n",
2359 case EEPROM_CID_Nettronix:
2360 priv->CustomerID = RT_CID_Nettronix;
2362 case EEPROM_CID_Pronet:
2363 priv->CustomerID = RT_CID_PRONET;
2365 case EEPROM_CID_DLINK:
2366 priv->CustomerID = RT_CID_DLINK;
2369 case EEPROM_CID_WHQL:
2372 // value from RegCustomerID
2376 //Avoid the channel plan array overflow, by Bruce, 2007-08-27.
2377 if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1)
2378 priv->ChannelPlan = 0; //FCC
2380 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304)
2381 priv->ieee80211->bSupportRemoteWakeUp = true;
2383 priv->ieee80211->bSupportRemoteWakeUp = false;
2386 RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
2387 RT_TRACE(COMP_INIT, "ChannelPlan = %d\n", priv->ChannelPlan);
2388 RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n");
2392 static short rtl8192_get_channel_map(struct r8192_priv *priv)
2394 #ifdef ENABLE_DOT11D
2395 if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){
2396 printk("rtl8180_init:Error channel plan! Set to default.\n");
2397 priv->ChannelPlan= 0;
2399 RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
2401 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2404 //Set Default Channel Plan
2406 DMESG("No channels, aborting");
2410 priv->ChannelPlan= 0;//hikaru
2411 // set channels 1..14 allowed in given locale
2412 for (i=1; i<=14; i++) {
2413 (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
2420 static short rtl8192_init(struct net_device *dev)
2422 struct r8192_priv *priv = ieee80211_priv(dev);
2423 memset(&(priv->stats),0,sizeof(struct Stats));
2424 rtl8192_init_priv_variable(priv);
2425 rtl8192_init_priv_lock(priv);
2426 rtl8192_init_priv_task(priv);
2427 rtl8192_get_eeprom_size(priv);
2428 rtl8192_read_eeprom_info(priv);
2429 rtl8192_get_channel_map(priv);
2431 init_timer(&priv->watch_dog_timer);
2432 priv->watch_dog_timer.data = (unsigned long)dev;
2433 priv->watch_dog_timer.function = watch_dog_timer_callback;
2434 if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, dev->name, dev)) {
2435 printk("Error allocating IRQ %d",dev->irq);
2439 printk("IRQ %d",dev->irq);
2441 if (rtl8192_pci_initdescring(priv) != 0){
2442 printk("Endopoints initialization failed");
2450 * Actually only set RRSR, RATR and BW_OPMODE registers
2451 * not to do all the hw config as its name says
2452 * This part need to modified according to the rate set we filtered
2454 static void rtl8192_hwconfig(struct r8192_priv *priv)
2456 u32 regRATR = 0, regRRSR = 0;
2457 u8 regBwOpMode = 0, regTmp = 0;
2459 // Set RRSR, RATR, and BW_OPMODE registers
2461 switch (priv->ieee80211->mode)
2463 case WIRELESS_MODE_B:
2464 regBwOpMode = BW_OPMODE_20MHZ;
2465 regRATR = RATE_ALL_CCK;
2466 regRRSR = RATE_ALL_CCK;
2468 case WIRELESS_MODE_A:
2469 regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
2470 regRATR = RATE_ALL_OFDM_AG;
2471 regRRSR = RATE_ALL_OFDM_AG;
2473 case WIRELESS_MODE_G:
2474 regBwOpMode = BW_OPMODE_20MHZ;
2475 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2476 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2478 case WIRELESS_MODE_AUTO:
2479 case WIRELESS_MODE_N_24G:
2480 // It support CCK rate by default.
2481 // CCK rate will be filtered out only when associated AP does not support it.
2482 regBwOpMode = BW_OPMODE_20MHZ;
2483 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2484 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2486 case WIRELESS_MODE_N_5G:
2487 regBwOpMode = BW_OPMODE_5G;
2488 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2489 regRRSR = RATE_ALL_OFDM_AG;
2493 write_nic_byte(priv, BW_OPMODE, regBwOpMode);
2496 ratr_value = regRATR;
2497 if (priv->rf_type == RF_1T2R)
2499 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2501 write_nic_dword(priv, RATR0, ratr_value);
2502 write_nic_byte(priv, UFWP, 1);
2504 regTmp = read_nic_byte(priv, 0x313);
2505 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2506 write_nic_dword(priv, RRSR, regRRSR);
2509 // Set Retry Limit here
2511 write_nic_word(priv, RETRY_LIMIT,
2512 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2513 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2514 // Set Contention Window here
2518 // Set Tx Antenna including Feedback control
2520 // Set Auto Rate fallback control
2526 static RT_STATUS rtl8192_adapter_start(struct r8192_priv *priv)
2528 struct net_device *dev = priv->ieee80211->dev;
2530 RT_STATUS rtStatus = RT_STATUS_SUCCESS;
2532 u8 ICVersion,SwitchingRegulatorOutput;
2533 bool bfirmwareok = true;
2534 u32 tmpRegA, tmpRegC, TempCCk;
2537 RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
2538 priv->being_init_adapter = true;
2539 rtl8192_pci_resetdescring(priv);
2540 // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
2541 priv->Rf_Mode = RF_OP_By_SW_3wire;
2544 if(priv->ResetProgress == RESET_TYPE_NORESET)
2546 write_nic_byte(priv, ANAPAR, 0x37);
2547 // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
2548 // Joseph increae the time to prevent firmware download fail
2552 //PlatformSleepUs(10000);
2553 // For any kind of InitializeAdapter process, we shall use system now!!
2554 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2557 //3 //Config CPUReset Register
2559 //3 Firmware Reset Or Not
2560 ulRegRead = read_nic_dword(priv, CPU_GEN);
2561 if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2562 { //called from MPInitialized. do nothing
2563 ulRegRead |= CPU_GEN_SYSTEM_RESET;
2564 }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2565 ulRegRead |= CPU_GEN_FIRMWARE_RESET; // Called from MPReset
2567 RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__, priv->pFirmware->firmware_status);
2569 write_nic_dword(priv, CPU_GEN, ulRegRead);
2572 //3 //Fix the issue of E-cut high temperature issue
2575 ICVersion = read_nic_byte(priv, IC_VERRSION);
2576 if(ICVersion >= 0x4) //E-cut only
2578 // HW SD suggest that we should not wirte this register too often, so driver
2579 // should readback this register. This register will be modified only when
2581 SwitchingRegulatorOutput = read_nic_byte(priv, SWREGULATOR);
2582 if(SwitchingRegulatorOutput != 0xb8)
2584 write_nic_byte(priv, SWREGULATOR, 0xa8);
2586 write_nic_byte(priv, SWREGULATOR, 0xb8);
2591 //3// Initialize BB before MAC
2593 RT_TRACE(COMP_INIT, "BB Config Start!\n");
2594 rtStatus = rtl8192_BBConfig(priv);
2595 if(rtStatus != RT_STATUS_SUCCESS)
2597 RT_TRACE(COMP_ERR, "BB Config failed\n");
2600 RT_TRACE(COMP_INIT,"BB Config Finished!\n");
2602 //3//Set Loopback mode or Normal mode
2604 //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
2605 // because setting of System_Reset bit reset MAC to default transmission mode.
2606 //Loopback mode or not
2607 priv->LoopbackMode = RTL819X_NO_LOOPBACK;
2608 if(priv->ResetProgress == RESET_TYPE_NORESET)
2610 ulRegRead = read_nic_dword(priv, CPU_GEN);
2611 if(priv->LoopbackMode == RTL819X_NO_LOOPBACK)
2613 ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
2615 else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK )
2617 ulRegRead |= CPU_CCK_LOOPBACK;
2621 RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n");
2624 //2008.06.03, for WOL
2625 //ulRegRead &= (~(CPU_GEN_GPIO_UART));
2626 write_nic_dword(priv, CPU_GEN, ulRegRead);
2628 // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
2631 //3Set Hardware(Do nothing now)
2632 rtl8192_hwconfig(priv);
2633 //2=======================================================
2634 // Common Setting for all of the FPGA platform. (part 1)
2635 //2=======================================================
2636 // If there is changes, please make sure it applies to all of the FPGA version
2638 write_nic_byte(priv, CMDR, CR_RE|CR_TE);
2641 write_nic_byte(priv, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |
2642 (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) ));
2645 write_nic_dword(priv, MAC0, ((u32*)dev->dev_addr)[0]);
2646 write_nic_word(priv, MAC4, ((u16*)(dev->dev_addr + 4))[0]);
2648 write_nic_dword(priv, RCR, priv->ReceiveConfig);
2650 //3 Initialize Number of Reserved Pages in Firmware Queue
2651 write_nic_dword(priv, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2652 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2653 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2654 NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2655 write_nic_dword(priv, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
2656 write_nic_dword(priv, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
2657 NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|
2658 NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
2660 rtl8192_tx_enable(priv);
2661 rtl8192_rx_enable(priv);
2662 //3Set Response Rate Setting Register
2663 // CCK rate is supported by default.
2664 // CCK rate will be filtered out only when associated AP does not support it.
2665 ulRegRead = (0xFFF00000 & read_nic_dword(priv, RRSR)) | RATE_ALL_OFDM_AG | RATE_ALL_CCK;
2666 write_nic_dword(priv, RRSR, ulRegRead);
2667 write_nic_dword(priv, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2670 // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
2671 write_nic_byte(priv, ACK_TIMEOUT, 0x30);
2673 if(priv->ResetProgress == RESET_TYPE_NORESET)
2674 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2675 //-----------------------------------------------------------------------------
2676 // Set up security related. 070106, by rcnjko:
2677 // 1. Clear all H/W keys.
2678 // 2. Enable H/W encryption/decryption.
2679 //-----------------------------------------------------------------------------
2680 CamResetAllEntry(priv);
2682 u8 SECR_value = 0x0;
2683 SECR_value |= SCR_TxEncEnable;
2684 SECR_value |= SCR_RxDecEnable;
2685 SECR_value |= SCR_NoSKMC;
2686 write_nic_byte(priv, SECR, SECR_value);
2689 write_nic_word(priv, ATIMWND, 2);
2690 write_nic_word(priv, BCN_INTERVAL, 100);
2691 for (i=0; i<QOS_QUEUE_NUM; i++)
2692 write_nic_dword(priv, WDCAPARA_ADD[i], 0x005e4332);
2694 // Switching regulator controller: This is set temporarily.
2695 // It's not sure if this can be removed in the future.
2696 // PJ advised to leave it by default.
2698 write_nic_byte(priv, 0xbe, 0xc0);
2700 //2=======================================================
2701 // Set PHY related configuration defined in MAC register bank
2702 //2=======================================================
2703 rtl8192_phy_configmac(priv);
2705 if (priv->card_8192_version > (u8) VERSION_8190_BD) {
2706 rtl8192_phy_getTxPower(priv);
2707 rtl8192_phy_setTxPower(priv, priv->chan);
2711 tmpvalue = read_nic_byte(priv, IC_VERRSION);
2712 priv->IC_Cut = tmpvalue;
2713 RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut);
2714 if(priv->IC_Cut >= IC_VersionCut_D)
2716 //pHalData->bDcut = TRUE;
2717 if(priv->IC_Cut == IC_VersionCut_D)
2718 RT_TRACE(COMP_INIT, "D-cut\n");
2719 if(priv->IC_Cut == IC_VersionCut_E)
2721 RT_TRACE(COMP_INIT, "E-cut\n");
2722 // HW SD suggest that we should not wirte this register too often, so driver
2723 // should readback this register. This register will be modified only when
2729 //pHalData->bDcut = FALSE;
2730 RT_TRACE(COMP_INIT, "Before C-cut\n");
2734 RT_TRACE(COMP_INIT, "Load Firmware!\n");
2735 bfirmwareok = init_firmware(dev);
2736 if(bfirmwareok != true) {
2737 rtStatus = RT_STATUS_FAILURE;
2740 RT_TRACE(COMP_INIT, "Load Firmware finished!\n");
2743 if(priv->ResetProgress == RESET_TYPE_NORESET)
2745 RT_TRACE(COMP_INIT, "RF Config Started!\n");
2746 rtStatus = rtl8192_phy_RFConfig(priv);
2747 if(rtStatus != RT_STATUS_SUCCESS)
2749 RT_TRACE(COMP_ERR, "RF Config failed\n");
2752 RT_TRACE(COMP_INIT, "RF Config Finished!\n");
2754 rtl8192_phy_updateInitGain(priv);
2756 /*---- Set CCK and OFDM Block "ON"----*/
2757 rtl8192_setBBreg(priv, rFPGA0_RFMOD, bCCKEn, 0x1);
2758 rtl8192_setBBreg(priv, rFPGA0_RFMOD, bOFDMEn, 0x1);
2761 write_nic_byte(priv, 0x87, 0x0);
2763 //2=======================================================
2765 //2=======================================================
2769 if(priv->RfOffReason > RF_CHANGE_BY_PS)
2770 { // H/W or S/W RF OFF before sleep.
2771 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__,priv->RfOffReason);
2772 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2774 else if(priv->RfOffReason >= RF_CHANGE_BY_IPS)
2775 { // H/W or S/W RF OFF before sleep.
2776 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__, priv->RfOffReason);
2777 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2781 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__);
2782 priv->eRFPowerState = eRfOn;
2783 priv->RfOffReason = 0;
2787 // We can force firmware to do RF-R/W
2788 if(priv->ieee80211->FwRWRF)
2789 priv->Rf_Mode = RF_OP_By_FW;
2791 priv->Rf_Mode = RF_OP_By_SW_3wire;
2793 if(priv->ResetProgress == RESET_TYPE_NORESET)
2795 dm_initialize_txpower_tracking(priv);
2797 if(priv->IC_Cut >= IC_VersionCut_D)
2799 tmpRegA = rtl8192_QueryBBReg(priv, rOFDM0_XATxIQImbalance, bMaskDWord);
2800 tmpRegC = rtl8192_QueryBBReg(priv, rOFDM0_XCTxIQImbalance, bMaskDWord);
2801 for(i = 0; i<TxBBGainTableLength; i++)
2803 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
2805 priv->rfa_txpowertrackingindex= (u8)i;
2806 priv->rfa_txpowertrackingindex_real= (u8)i;
2807 priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
2812 TempCCk = rtl8192_QueryBBReg(priv, rCCK0_TxFilter1, bMaskByte2);
2814 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
2816 if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
2818 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
2822 priv->CCKPresentAttentuation_40Mdefault = 0;
2823 priv->CCKPresentAttentuation_difference = 0;
2824 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
2825 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
2826 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
2827 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
2828 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
2829 priv->btxpower_tracking = FALSE;//TEMPLY DISABLE
2833 rtl8192_irq_enable(priv);
2834 priv->being_init_adapter = false;
2839 static void rtl8192_prepare_beacon(unsigned long arg)
2841 struct r8192_priv *priv = (struct r8192_priv*) arg;
2842 struct sk_buff *skb;
2845 skb = ieee80211_get_beacon(priv->ieee80211);
2846 tcb_desc = (cb_desc *)(skb->cb + 8);
2847 /* prepare misc info for the beacon xmit */
2848 tcb_desc->queue_index = BEACON_QUEUE;
2849 /* IBSS does not support HT yet, use 1M defaultly */
2850 tcb_desc->data_rate = 2;
2851 tcb_desc->RATRIndex = 7;
2852 tcb_desc->bTxDisableRateFallBack = 1;
2853 tcb_desc->bTxUseDriverAssingedRate = 1;
2855 skb_push(skb, priv->ieee80211->tx_headroom);
2857 rtl8192_tx(priv, skb);
2863 * configure registers for beacon tx and enables it via
2864 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
2865 * be used to stop beacon transmission
2867 static void rtl8192_start_beacon(struct net_device *dev)
2869 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
2870 struct ieee80211_network *net = &priv->ieee80211->current_network;
2875 DMESG("Enabling beacon TX");
2876 rtl8192_irq_disable(priv);
2877 //rtl8192_beacon_tx_enable(dev);
2880 write_nic_word(priv, ATIMWND, 2);
2882 /* Beacon interval (in unit of TU) */
2883 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
2886 * DrvErlyInt (in unit of TU).
2887 * (Time to send interrupt to notify driver to c
2888 * hange beacon content)
2890 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
2893 * BcnDMATIM(in unit of us).
2894 * Indicates the time before TBTT to perform beacon queue DMA
2896 write_nic_word(priv, BCN_DMATIME, 256);
2899 * Force beacon frame transmission even after receiving
2900 * beacon frame from other ad hoc STA
2902 write_nic_byte(priv, BCN_ERR_THRESH, 100);
2904 /* Set CW and IFS */
2905 BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT;
2906 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
2907 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
2910 /* enable the interrupt for ad-hoc process */
2911 rtl8192_irq_enable(priv);
2914 static bool HalRxCheckStuck8190Pci(struct r8192_priv *priv)
2916 u16 RegRxCounter = read_nic_word(priv, 0x130);
2917 bool bStuck = FALSE;
2919 RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
2920 // If rssi is small, we should check rx for long time because of bad rx.
2921 // or maybe it will continuous silent reset every 2 seconds.
2923 if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
2925 priv->rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
2927 else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
2928 ((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
2929 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
2932 if(priv->rx_chk_cnt < 2)
2938 priv->rx_chk_cnt = 0;
2941 else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
2942 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
2943 priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
2945 if(priv->rx_chk_cnt < 4)
2951 priv->rx_chk_cnt = 0;
2956 if(priv->rx_chk_cnt < 8)
2962 priv->rx_chk_cnt = 0;
2965 if(priv->RxCounter==RegRxCounter)
2968 priv->RxCounter = RegRxCounter;
2973 static RESET_TYPE RxCheckStuck(struct r8192_priv *priv)
2976 if(HalRxCheckStuck8190Pci(priv))
2978 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
2979 return RESET_TYPE_SILENT;
2982 return RESET_TYPE_NORESET;
2986 rtl819x_ifcheck_resetornot(struct r8192_priv *priv)
2988 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
2989 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
2990 RT_RF_POWER_STATE rfState;
2992 rfState = priv->eRFPowerState;
2994 if( rfState != eRfOff &&
2995 /*ADAPTER_TEST_STATUS_FLAG(Adapter, ADAPTER_STATUS_FW_DOWNLOAD_FAILURE)) &&*/
2996 (priv->ieee80211->iw_mode != IW_MODE_ADHOC))
2998 // If driver is in the status of firmware download failure , driver skips RF initialization and RF is
2999 // in turned off state. Driver should check whether Rx stuck and do silent reset. And
3000 // if driver is in firmware download failure status, driver should initialize RF in the following
3001 // silent reset procedure Emily, 2008.01.21
3003 // Driver should not check RX stuck in IBSS mode because it is required to
3004 // set Check BSSID in order to send beacon, however, if check BSSID is
3005 // set, STA cannot hear any packet a all. Emily, 2008.04.12
3006 RxResetType = RxCheckStuck(priv);
3009 RT_TRACE(COMP_RESET,"%s(): TxResetType is %d, RxResetType is %d\n",__FUNCTION__,TxResetType,RxResetType);
3010 if(TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL)
3011 return RESET_TYPE_NORMAL;
3012 else if(TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT)
3013 return RESET_TYPE_SILENT;
3015 return RESET_TYPE_NORESET;
3020 static void InactivePsWorkItemCallback(struct r8192_priv *priv)
3022 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3024 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() --------->\n");
3026 // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
3027 // is really scheduled.
3028 // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
3029 // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
3030 // blocks the IPS procedure of switching RF.
3031 // By Bruce, 2007-12-25.
3033 pPSC->bSwRfProcessing = TRUE;
3035 RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n",
3036 pPSC->eInactivePowerState == eRfOff?"OFF":"ON");
3039 MgntActSet_RF_State(priv, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS);
3042 // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
3044 pPSC->bSwRfProcessing = FALSE;
3045 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <---------\n");
3049 /* Change current and default preamble mode. */
3050 bool MgntActSet_802_11_PowerSaveMode(struct net_device *dev, u8 rtPsMode)
3052 struct r8192_priv *priv = ieee80211_priv(dev);
3054 // Currently, we do not change power save mode on IBSS mode.
3055 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3061 // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
3062 // some AP will not response to our mgnt frames with PwrMgt bit set,
3063 // e.g. cannot associate the AP.
3064 // So I commented out it. 2005.02.16, by rcnjko.
3066 // // Change device's power save mode.
3067 // Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
3069 // Update power save mode configured.
3070 //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
3071 if(!priv->ps_force) {
3072 priv->ieee80211->ps = rtPsMode;
3075 // Awake immediately
3076 if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
3078 // Notify the AP we awke.
3079 rtl8192_hw_wakeup(dev);
3080 priv->ieee80211->sta_sleep = 0;
3082 spin_lock(&priv->ieee80211->mgmt_tx_lock);
3083 printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
3084 ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
3085 spin_unlock(&priv->ieee80211->mgmt_tx_lock);
3091 /* Enter the leisure power save mode. */
3092 void LeisurePSEnter(struct net_device *dev)
3094 struct r8192_priv *priv = ieee80211_priv(dev);
3095 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3097 if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
3098 (priv->ieee80211->state == IEEE80211_LINKED)) ||
3099 (priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
3100 (priv->ieee80211->iw_mode == IW_MODE_MASTER))
3103 if (pPSC->bLeisurePs)
3105 // Idle for a while if we connect to AP a while ago.
3106 if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) // 4 Sec
3109 if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
3111 MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
3116 pPSC->LpsIdleCount++;
3121 /* Leave leisure power save mode. */
3122 void LeisurePSLeave(struct net_device *dev)
3124 struct r8192_priv *priv = ieee80211_priv(dev);
3125 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3127 if (pPSC->bLeisurePs)
3129 if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
3131 // move to lps_wakecomplete()
3132 MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_DISABLED);
3140 /* Enter the inactive power save mode. RF will be off */
3141 void IPSEnter(struct r8192_priv *priv)
3143 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3144 RT_RF_POWER_STATE rtState;
3146 if (pPSC->bInactivePs)
3148 rtState = priv->eRFPowerState;
3150 // Added by Bruce, 2007-12-25.
3151 // Do not enter IPS in the following conditions:
3152 // (1) RF is already OFF or Sleep
3153 // (2) bSwRfProcessing (indicates the IPS is still under going)
3154 // (3) Connectted (only disconnected can trigger IPS)
3155 // (4) IBSS (send Beacon)
3156 // (5) AP mode (send Beacon)
3158 if (rtState == eRfOn && !pPSC->bSwRfProcessing
3159 && (priv->ieee80211->state != IEEE80211_LINKED) )
3161 RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
3162 pPSC->eInactivePowerState = eRfOff;
3163 // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
3164 InactivePsWorkItemCallback(priv);
3171 // Leave the inactive power save mode, RF will be on.
3172 // 2007.08.17, by shien chang.
3174 void IPSLeave(struct r8192_priv *priv)
3176 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3177 RT_RF_POWER_STATE rtState;
3179 if (pPSC->bInactivePs)
3181 rtState = priv->eRFPowerState;
3182 if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->RfOffReason <= RF_CHANGE_BY_IPS)
3184 RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
3185 pPSC->eInactivePowerState = eRfOn;
3186 InactivePsWorkItemCallback(priv);
3191 void IPSLeave_wq(struct work_struct *work)
3193 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ips_leave_wq);
3194 struct net_device *dev = ieee->dev;
3196 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3197 down(&priv->ieee80211->ips_sem);
3199 up(&priv->ieee80211->ips_sem);
3202 void ieee80211_ips_leave_wq(struct net_device *dev)
3204 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3205 RT_RF_POWER_STATE rtState;
3206 rtState = priv->eRFPowerState;
3208 if (priv->PowerSaveControl.bInactivePs){
3209 if(rtState == eRfOff){
3210 if(priv->RfOffReason > RF_CHANGE_BY_IPS)
3212 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
3216 printk("=========>%s(): IPSLeave\n",__FUNCTION__);
3217 queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
3222 //added by amy 090331 end
3223 void ieee80211_ips_leave(struct net_device *dev)
3225 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3226 down(&priv->ieee80211->ips_sem);
3228 up(&priv->ieee80211->ips_sem);
3232 static void rtl819x_update_rxcounts(
3233 struct r8192_priv *priv,
3242 *TotalRxDataNum = 0;
3244 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
3245 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3246 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3247 for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
3248 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3249 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3254 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3256 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
3257 struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
3258 struct net_device *dev = priv->ieee80211->dev;
3259 struct ieee80211_device* ieee = priv->ieee80211;
3260 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3261 bool bBusyTraffic = false;
3262 bool bEnterPS = false;
3264 if ((!priv->up) || priv->bHwRadioOff)
3269 hal_dm_watchdog(dev);
3271 if(ieee->actscanning == false){
3272 if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&
3273 (priv->eRFPowerState == eRfOn) && !ieee->is_set_key &&
3274 (!ieee->proto_stoppping) && !ieee->wx_set_enc){
3275 if (priv->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
3281 {//to get busy traffic condition
3282 if(ieee->state == IEEE80211_LINKED)
3284 if( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
3285 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
3286 bBusyTraffic = true;
3290 //added by amy for Leisure PS
3291 if( ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
3292 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
3301 // LeisurePS only work in infra mode.
3304 LeisurePSEnter(dev);
3308 LeisurePSLeave(dev);
3316 LeisurePSLeave(dev);
3320 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3321 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3322 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
3323 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3327 //added by amy for AP roaming
3328 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
3330 u32 TotalRxBcnNum = 0;
3331 u32 TotalRxDataNum = 0;
3333 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3334 if((TotalRxBcnNum+TotalRxDataNum) == 0)
3336 if (priv->eRFPowerState == eRfOff)
3337 RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
3338 printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
3339 // Dot11d_Reset(dev);
3340 ieee->state = IEEE80211_ASSOCIATING;
3341 notify_wx_assoc_event(priv->ieee80211);
3342 RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
3343 ieee->is_roaming = true;
3344 ieee->is_set_key = false;
3345 ieee->link_change(dev);
3346 queue_work(ieee->wq, &ieee->associate_procedure_wq);
3349 ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
3350 ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
3352 //check if reset the driver
3353 if (priv->watchdog_check_reset_cnt++ >= 3 && !ieee->is_roaming &&
3354 priv->watchdog_last_time != 1)
3356 ResetType = rtl819x_ifcheck_resetornot(priv);
3357 priv->watchdog_check_reset_cnt = 3;
3359 if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
3361 priv->ResetProgress = RESET_TYPE_NORMAL;
3362 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__);
3365 /* disable silent reset temply 2008.9.11*/
3367 if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo
3369 priv->watchdog_last_time = 1;
3372 priv->watchdog_last_time = 0;
3374 priv->force_reset = false;
3375 priv->bForcedSilentReset = false;
3376 priv->bResetInProgress = false;
3377 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3381 void watch_dog_timer_callback(unsigned long data)
3383 struct r8192_priv *priv = ieee80211_priv((struct net_device *) data);
3384 queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0);
3385 mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
3389 static int _rtl8192_up(struct r8192_priv *priv)
3391 RT_STATUS init_status = RT_STATUS_SUCCESS;
3392 struct net_device *dev = priv->ieee80211->dev;
3395 priv->ieee80211->ieee_up=1;
3396 priv->bdisable_nic = false; //YJ,add,091111
3397 RT_TRACE(COMP_INIT, "Bringing up iface\n");
3399 init_status = rtl8192_adapter_start(priv);
3400 if(init_status != RT_STATUS_SUCCESS)
3402 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
3405 RT_TRACE(COMP_INIT, "start adapter finished\n");
3407 if (priv->eRFPowerState != eRfOn)
3408 MgntActSet_RF_State(priv, eRfOn, priv->RfOffReason);
3410 if(priv->ieee80211->state != IEEE80211_LINKED)
3411 ieee80211_softmac_start_protocol(priv->ieee80211);
3412 ieee80211_reset_queue(priv->ieee80211);
3413 watch_dog_timer_callback((unsigned long) dev);
3414 if(!netif_queue_stopped(dev))
3415 netif_start_queue(dev);
3417 netif_wake_queue(dev);
3423 static int rtl8192_open(struct net_device *dev)
3425 struct r8192_priv *priv = ieee80211_priv(dev);
3428 down(&priv->wx_sem);
3429 ret = rtl8192_up(dev);
3436 int rtl8192_up(struct net_device *dev)
3438 struct r8192_priv *priv = ieee80211_priv(dev);
3440 if (priv->up == 1) return -1;
3442 return _rtl8192_up(priv);
3446 static int rtl8192_close(struct net_device *dev)
3448 struct r8192_priv *priv = ieee80211_priv(dev);
3451 down(&priv->wx_sem);
3453 ret = rtl8192_down(dev);
3461 int rtl8192_down(struct net_device *dev)
3463 struct r8192_priv *priv = ieee80211_priv(dev);
3465 if (priv->up == 0) return -1;
3468 //LZM for PS-Poll AID issue. 090429
3469 if(priv->ieee80211->state == IEEE80211_LINKED)
3470 LeisurePSLeave(dev);
3474 priv->ieee80211->ieee_up = 0;
3475 RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
3477 if (!netif_queue_stopped(dev))
3478 netif_stop_queue(dev);
3480 rtl8192_irq_disable(priv);
3481 rtl8192_cancel_deferred_work(priv);
3483 del_timer_sync(&priv->watch_dog_timer);
3485 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3487 rtl8192_halt_adapter(priv, false);
3488 memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
3490 RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
3496 void rtl8192_commit(struct r8192_priv *priv)
3498 if (priv->up == 0) return ;
3501 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3503 rtl8192_irq_disable(priv);
3504 rtl8192_halt_adapter(priv, true);
3508 static void rtl8192_restart(struct work_struct *work)
3510 struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
3512 down(&priv->wx_sem);
3514 rtl8192_commit(priv);
3519 static void r8192_set_multicast(struct net_device *dev)
3521 struct r8192_priv *priv = ieee80211_priv(dev);
3523 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3527 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3529 struct r8192_priv *priv = ieee80211_priv(dev);
3530 struct sockaddr *addr = mac;
3532 down(&priv->wx_sem);
3534 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
3536 schedule_work(&priv->reset_wq);
3542 static void r8192e_set_hw_key(struct r8192_priv *priv, struct ieee_param *ipw)
3544 struct ieee80211_device *ieee = priv->ieee80211;
3545 struct net_device *dev = priv->ieee80211->dev;
3546 u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
3549 if (ipw->u.crypt.set_tx) {
3550 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3551 ieee->pairwise_key_type = KEY_TYPE_CCMP;
3552 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3553 ieee->pairwise_key_type = KEY_TYPE_TKIP;
3554 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3555 if (ipw->u.crypt.key_len == 13)
3556 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3557 else if (ipw->u.crypt.key_len == 5)
3558 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3560 ieee->pairwise_key_type = KEY_TYPE_NA;
3562 if (ieee->pairwise_key_type) {
3563 memcpy(key, ipw->u.crypt.key, 16);
3564 EnableHWSecurityConfig8192(priv);
3566 * We fill both index entry and 4th entry for pairwise
3567 * key as in IPW interface, adhoc will only get here,
3568 * so we need index entry for its default key serching!
3570 setKey(dev, 4, ipw->u.crypt.idx,
3571 ieee->pairwise_key_type,
3572 (u8*)ieee->ap_mac_addr, 0, key);
3574 /* LEAP WEP will never set this. */
3575 if (ieee->auth_mode != 2)
3576 setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx,
3577 ieee->pairwise_key_type,
3578 (u8*)ieee->ap_mac_addr, 0, key);
3580 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) &&
3581 ieee->pHTInfo->bCurrentHTSupport) {
3582 write_nic_byte(priv, 0x173, 1); /* fix aes bug */
3585 memcpy(key, ipw->u.crypt.key, 16);
3586 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3587 ieee->group_key_type= KEY_TYPE_CCMP;
3588 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3589 ieee->group_key_type = KEY_TYPE_TKIP;
3590 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3591 if (ipw->u.crypt.key_len == 13)
3592 ieee->group_key_type = KEY_TYPE_WEP104;
3593 else if (ipw->u.crypt.key_len == 5)
3594 ieee->group_key_type = KEY_TYPE_WEP40;
3596 ieee->group_key_type = KEY_TYPE_NA;
3598 if (ieee->group_key_type) {
3599 setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx,
3600 ieee->group_key_type, broadcast_addr, 0, key);
3605 /* based on ipw2200 driver */
3606 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3608 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3609 struct iwreq *wrq = (struct iwreq *)rq;
3611 struct iw_point *p = &wrq->u.data;
3612 struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;
3614 down(&priv->wx_sem);
3617 if (p->length < sizeof(struct ieee_param) || !p->pointer){
3622 ipw = kmalloc(p->length, GFP_KERNEL);
3627 if (copy_from_user(ipw, p->pointer, p->length)) {
3634 case RTL_IOCTL_WPA_SUPPLICANT:
3635 /* parse here for HW security */
3636 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
3637 r8192e_set_hw_key(priv, ipw);
3638 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
3653 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3659 case DESC90_RATE1M: ret_rate = MGN_1M; break;
3660 case DESC90_RATE2M: ret_rate = MGN_2M; break;
3661 case DESC90_RATE5_5M: ret_rate = MGN_5_5M; break;
3662 case DESC90_RATE11M: ret_rate = MGN_11M; break;
3663 case DESC90_RATE6M: ret_rate = MGN_6M; break;
3664 case DESC90_RATE9M: ret_rate = MGN_9M; break;
3665 case DESC90_RATE12M: ret_rate = MGN_12M; break;
3666 case DESC90_RATE18M: ret_rate = MGN_18M; break;
3667 case DESC90_RATE24M: ret_rate = MGN_24M; break;
3668 case DESC90_RATE36M: ret_rate = MGN_36M; break;
3669 case DESC90_RATE48M: ret_rate = MGN_48M; break;
3670 case DESC90_RATE54M: ret_rate = MGN_54M; break;
3673 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
3679 case DESC90_RATEMCS0: ret_rate = MGN_MCS0; break;
3680 case DESC90_RATEMCS1: ret_rate = MGN_MCS1; break;
3681 case DESC90_RATEMCS2: ret_rate = MGN_MCS2; break;
3682 case DESC90_RATEMCS3: ret_rate = MGN_MCS3; break;
3683 case DESC90_RATEMCS4: ret_rate = MGN_MCS4; break;
3684 case DESC90_RATEMCS5: ret_rate = MGN_MCS5; break;
3685 case DESC90_RATEMCS6: ret_rate = MGN_MCS6; break;
3686 case DESC90_RATEMCS7: ret_rate = MGN_MCS7; break;
3687 case DESC90_RATEMCS8: ret_rate = MGN_MCS8; break;
3688 case DESC90_RATEMCS9: ret_rate = MGN_MCS9; break;
3689 case DESC90_RATEMCS10: ret_rate = MGN_MCS10; break;
3690 case DESC90_RATEMCS11: ret_rate = MGN_MCS11; break;
3691 case DESC90_RATEMCS12: ret_rate = MGN_MCS12; break;
3692 case DESC90_RATEMCS13: ret_rate = MGN_MCS13; break;
3693 case DESC90_RATEMCS14: ret_rate = MGN_MCS14; break;
3694 case DESC90_RATEMCS15: ret_rate = MGN_MCS15; break;
3695 case DESC90_RATEMCS32: ret_rate = (0x80|0x20); break;
3698 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
3706 /* Record the TSF time stamp when receiving a packet */
3707 static void UpdateRxPktTimeStamp8190 (struct net_device *dev, struct ieee80211_rx_stats *stats)
3709 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3711 if(stats->bIsAMPDU && !stats->bFirstMPDU) {
3712 stats->mac_time[0] = priv->LastRxDescTSFLow;
3713 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3715 priv->LastRxDescTSFLow = stats->mac_time[0];
3716 priv->LastRxDescTSFHigh = stats->mac_time[1];
3720 static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
3722 long signal_power; // in dBm.
3724 // Translate to dBm (x=0.5y-95).
3725 signal_power = (long)((signal_strength_index + 1) >> 1);
3728 return signal_power;
3731 /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
3732 be a local static. Otherwise, it may increase when we return from S3/S4. The
3733 value will be kept in memory or disk. We must delcare the value in adapter
3734 and it will be reinitialized when return from S3/S4. */
3735 static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
3737 bool bcheck = false;
3739 u32 nspatial_stream, tmp_val;
3740 static u32 slide_rssi_index=0, slide_rssi_statistics=0;
3741 static u32 slide_evm_index=0, slide_evm_statistics=0;
3742 static u32 last_rssi=0, last_evm=0;
3743 //cosa add for beacon rssi smoothing
3744 static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
3745 static u32 last_beacon_adc_pwdb=0;
3747 struct ieee80211_hdr_3addr *hdr;
3749 unsigned int frag,seq;
3750 hdr = (struct ieee80211_hdr_3addr *)buffer;
3751 sc = le16_to_cpu(hdr->seq_ctl);
3752 frag = WLAN_GET_SEQ_FRAG(sc);
3753 seq = WLAN_GET_SEQ_SEQ(sc);
3754 //cosa add 04292008 to record the sequence number
3755 pcurrent_stats->Seq_Num = seq;
3757 // Check whether we should take the previous packet into accounting
3759 if(!pprevious_stats->bIsAMPDU)
3761 // if previous packet is not aggregated packet
3765 if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
3767 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3768 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3769 priv->stats.slide_rssi_total -= last_rssi;
3771 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3773 priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
3774 if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3775 slide_rssi_index = 0;
3777 // <1> Showed on UI for user, in dbm
3778 tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
3779 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3780 pcurrent_stats->rssi = priv->stats.signal_strength;
3782 // If the previous packet does not match the criteria, neglect it
3784 if(!pprevious_stats->bPacketMatchBSSID)
3786 if(!pprevious_stats->bToSelfBA)
3793 // <2> Showed on UI for engineering
3794 // hardware does not provide rssi information for each rf path in CCK
3795 if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf)
3797 for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++)
3799 if (!rtl8192_phy_CheckIsLegalRFPath(priv, rfpath))
3801 RT_TRACE(COMP_DBG, "pPreviousstats->RxMIMOSignalStrength[rfpath] = %d\n", pprevious_stats->RxMIMOSignalStrength[rfpath]);
3802 //Fixed by Jacken 2008-03-20
3803 if(priv->stats.rx_rssi_percentage[rfpath] == 0)
3805 priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
3807 if(pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath])
3809 priv->stats.rx_rssi_percentage[rfpath] =
3810 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3811 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3812 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
3816 priv->stats.rx_rssi_percentage[rfpath] =
3817 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3818 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3820 RT_TRACE(COMP_DBG, "priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" , priv->stats.rx_rssi_percentage[rfpath]);
3828 //cosa add for beacon rssi smoothing by average.
3829 if(pprevious_stats->bPacketBeacon)
3831 /* record the beacon pwdb to the sliding window. */
3832 if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3834 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
3835 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
3836 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
3837 // slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
3839 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
3840 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
3841 slide_beacon_adc_pwdb_index++;
3842 if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3843 slide_beacon_adc_pwdb_index = 0;
3844 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
3845 if(pprevious_stats->RxPWDBAll >= 3)
3846 pprevious_stats->RxPWDBAll -= 3;
3849 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
3850 pprevious_stats->bIsCCK? "CCK": "OFDM",
3851 pprevious_stats->RxPWDBAll);
3853 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3855 if(priv->undecorated_smoothed_pwdb < 0) // initialize
3857 priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
3860 if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
3862 priv->undecorated_smoothed_pwdb =
3863 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3864 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3865 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
3869 priv->undecorated_smoothed_pwdb =
3870 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3871 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3878 /* record the general EVM to the sliding window. */
3879 if(pprevious_stats->SignalQuality == 0)
3884 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
3885 if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
3886 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
3887 last_evm = priv->stats.slide_evm[slide_evm_index];
3888 priv->stats.slide_evm_total -= last_evm;
3891 priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
3893 priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
3894 if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
3895 slide_evm_index = 0;
3897 // <1> Showed on UI for user, in percentage.
3898 tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
3899 //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
3902 // <2> Showed on UI for engineering
3903 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3905 for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
3907 if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
3909 if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
3911 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
3913 priv->stats.rx_evm_percentage[nspatial_stream] =
3914 ( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
3915 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
3923 static u8 rtl819x_query_rxpwrpercentage(
3927 if ((antpower <= -100) || (antpower >= 20))
3931 else if (antpower >= 0)
3937 return (100+antpower);
3943 rtl819x_evm_dbtopercentage(
3955 ret_val = 0 - ret_val;
3962 /* We want good-looking for signal strength/quality */
3963 static long rtl819x_signal_scale_mapping(long currsig)
3967 // Step 1. Scale mapping.
3968 if(currsig >= 61 && currsig <= 100)
3970 retsig = 90 + ((currsig - 60) / 4);
3972 else if(currsig >= 41 && currsig <= 60)
3974 retsig = 78 + ((currsig - 40) / 2);
3976 else if(currsig >= 31 && currsig <= 40)
3978 retsig = 66 + (currsig - 30);
3980 else if(currsig >= 21 && currsig <= 30)
3982 retsig = 54 + (currsig - 20);
3984 else if(currsig >= 5 && currsig <= 20)
3986 retsig = 42 + (((currsig - 5) * 2) / 3);
3988 else if(currsig == 4)
3992 else if(currsig == 3)
3996 else if(currsig == 2)
4000 else if(currsig == 1)
4012 static void rtl8192_query_rxphystatus(
4013 struct r8192_priv * priv,
4014 struct ieee80211_rx_stats * pstats,
4015 prx_desc_819x_pci pdesc,
4016 prx_fwinfo_819x_pci pdrvinfo,
4017 struct ieee80211_rx_stats * precord_stats,
4018 bool bpacket_match_bssid,
4019 bool bpacket_toself,
4024 //PRT_RFD_STATUS pRtRfdStatus = &(pRfd->Status);
4025 phy_sts_ofdm_819xpci_t* pofdm_buf;
4026 phy_sts_cck_819xpci_t * pcck_buf;
4027 phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
4029 u8 i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4030 char rx_pwr[4], rx_pwr_all=0;
4031 //long rx_avg_pwr = 0;
4032 char rx_snrX, rx_evmX;
4034 u32 RSSI, total_rssi=0;//, total_evm=0;
4035 // long signal_strength_index = 0;
4039 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4041 // Record it for next packet processing
4042 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4043 pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4044 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4045 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
4046 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4047 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4048 /*2007.08.30 requested by SD3 Jerry */
4049 if (priv->phy_check_reg824 == 0)
4051 priv->phy_reg824_bit9 = rtl8192_QueryBBReg(priv, rFPGA0_XA_HSSIParameter2, 0x200);
4052 priv->phy_check_reg824 = 1;
4056 prxpkt = (u8*)pdrvinfo;
4058 /* Move pointer to the 16th bytes. Phy status start address. */
4059 prxpkt += sizeof(rx_fwinfo_819x_pci);
4061 /* Initial the cck and ofdm buffer pointer */
4062 pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt;
4063 pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt;
4065 pstats->RxMIMOSignalQuality[0] = -1;
4066 pstats->RxMIMOSignalQuality[1] = -1;
4067 precord_stats->RxMIMOSignalQuality[0] = -1;
4068 precord_stats->RxMIMOSignalQuality[1] = -1;
4073 // (1)Hardware does not provide RSSI for CCK
4077 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4079 u8 report;//, cck_agc_rpt;
4081 if (!priv->phy_reg824_bit9)
4083 report = pcck_buf->cck_agc_rpt & 0xc0;
4087 //Fixed by Jacken from Bryant 2008-03-20
4088 //Original value is -38 , -26 , -14 , -2
4089 //Fixed value is -35 , -23 , -11 , 6
4091 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4094 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4097 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4100 rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e);
4106 report = pcck_buf->cck_agc_rpt & 0x60;
4111 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4114 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
4117 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4120 rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4125 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4126 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4127 pstats->RecvSignalPower = rx_pwr_all;
4130 // (3) Get Signal Quality (EVM)
4132 if(bpacket_match_bssid)
4136 if(pstats->RxPWDBAll > 40)
4141 sq = pcck_buf->sq_rpt;
4143 if(pcck_buf->sq_rpt > 64)
4145 else if (pcck_buf->sq_rpt < 20)
4148 sq = ((64-sq) * 100) / 44;
4150 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4151 pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
4152 pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
4158 // (1)Get RSSI for HT rate
4160 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4162 // 2008/01/30 MH we will judge RF RX path now.
4163 if (priv->brfpath_rxenable[i])
4168 //Fixed by Jacken from Bryant 2008-03-20
4169 //Original value is 106
4170 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110;
4172 //Get Rx snr value in DB
4173 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4174 rx_snrX = (char)(tmp_rxsnr);
4177 /* Translate DBM to percentage. */
4178 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4179 if (priv->brfpath_rxenable[i])
4182 /* Record Signal Strength for next packet */
4183 if(bpacket_match_bssid)
4185 pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
4186 precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
4192 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4194 //Fixed by Jacken from Bryant 2008-03-20
4195 //Original value is 106
4196 rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
4197 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4199 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4200 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4201 pstats->RecvSignalPower = rx_pwr_all;
4203 // (3)EVM of HT rate
4205 if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
4206 pdrvinfo->RxRate<=DESC90_RATEMCS15)
4207 max_spatial_stream = 2; //both spatial stream make sense
4209 max_spatial_stream = 1; //only spatial stream 1 makes sense
4211 for(i=0; i<max_spatial_stream; i++)
4213 tmp_rxevm = pofdm_buf->rxevm_X[i];
4214 rx_evmX = (char)(tmp_rxevm);
4216 // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
4217 // fill most significant bit to "zero" when doing shifting operation which may change a negative
4218 // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore.
4221 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4222 if(bpacket_match_bssid)
4224 if(i==0) // Fill value in RFD, Get the first spatial stream only
4225 pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
4226 pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
4231 /* record rx statistics for debug */
4232 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4233 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
4236 //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
4237 //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
4240 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;
4245 //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
4246 // We can judge RX path number now.
4248 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
4253 rtl8192_record_rxdesc_forlateruse(
4254 struct ieee80211_rx_stats * psrc_stats,
4255 struct ieee80211_rx_stats * ptarget_stats
4258 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4259 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4260 //ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4265 static void TranslateRxSignalStuff819xpci(struct r8192_priv *priv,
4266 struct sk_buff *skb,
4267 struct ieee80211_rx_stats * pstats,
4268 prx_desc_819x_pci pdesc,
4269 prx_fwinfo_819x_pci pdrvinfo)
4271 // TODO: We must only check packet for current MAC address. Not finish
4272 bool bpacket_match_bssid, bpacket_toself;
4273 bool bPacketBeacon=false, bToSelfBA=false;
4274 struct ieee80211_hdr_3addr *hdr;
4277 // Get Signal Quality for only RX data queue (but not command queue)
4282 /* Get MAC frame start address. */
4283 tmp_buf = skb->data;
4285 hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
4286 fc = le16_to_cpu(hdr->frame_ctl);
4287 type = WLAN_FC_GET_TYPE(fc);
4288 praddr = hdr->addr1;
4290 /* Check if the received packet is acceptabe. */
4291 bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
4292 (!compare_ether_addr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
4293 && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
4294 bpacket_toself = bpacket_match_bssid & (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr));
4296 if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
4298 bPacketBeacon = true;
4300 if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
4302 if (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr))
4307 // Process PHY information for previous packet (RSSI/PWDB/EVM)
4309 // Because phy information is contained in the last packet of AMPDU only, so driver
4310 // should process phy information of previous packet
4311 rtl8192_process_phyinfo(priv, tmp_buf, &priv->previous_stats, pstats);
4312 rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &priv->previous_stats, bpacket_match_bssid,
4313 bpacket_toself ,bPacketBeacon, bToSelfBA);
4314 rtl8192_record_rxdesc_forlateruse(pstats, &priv->previous_stats);
4319 static void rtl8192_tx_resume(struct net_device *dev)
4321 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4322 struct ieee80211_device *ieee = priv->ieee80211;
4323 struct sk_buff *skb;
4326 for(queue_index = BK_QUEUE; queue_index < TXCMD_QUEUE;queue_index++) {
4327 while((!skb_queue_empty(&ieee->skb_waitQ[queue_index]))&&
4328 (priv->ieee80211->check_nic_enough_desc(dev,queue_index) > 0)) {
4329 /* 1. dequeue the packet from the wait queue */
4330 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
4331 /* 2. tx the packet directly */
4332 ieee->softmac_data_hard_start_xmit(skb,dev,0/* rate useless now*/);
4337 static void rtl8192_irq_tx_tasklet(unsigned long arg)
4339 struct r8192_priv *priv = (struct r8192_priv*) arg;
4340 struct rtl8192_tx_ring *mgnt_ring = &priv->tx_ring[MGNT_QUEUE];
4341 struct net_device *dev = priv->ieee80211->dev;
4342 unsigned long flags;
4344 /* check if we need to report that the management queue is drained */
4345 spin_lock_irqsave(&priv->irq_th_lock, flags);
4347 if (!skb_queue_len(&mgnt_ring->queue) &&
4348 priv->ieee80211->ack_tx_to_ieee &&
4349 rtl8192_is_tx_queue_empty(dev)) {
4350 priv->ieee80211->ack_tx_to_ieee = 0;
4351 ieee80211_ps_tx_ack(priv->ieee80211, 1);
4354 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4356 rtl8192_tx_resume(dev);
4359 /* Record the received data rate */
4360 static void UpdateReceivedRateHistogramStatistics8190(
4361 struct r8192_priv *priv,
4362 struct ieee80211_rx_stats* pstats
4365 u32 rcvType=1; //0: Total, 1:OK, 2:CRC, 3:ICV
4367 u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI
4371 else if(pstats->bICV)
4374 if(pstats->bShortPreamble)
4375 preamble_guardinterval = 1;// short
4377 preamble_guardinterval = 0;// long
4379 switch(pstats->rate)
4384 case MGN_1M: rateIndex = 0; break;
4385 case MGN_2M: rateIndex = 1; break;
4386 case MGN_5_5M: rateIndex = 2; break;
4387 case MGN_11M: rateIndex = 3; break;
4391 case MGN_6M: rateIndex = 4; break;
4392 case MGN_9M: rateIndex = 5; break;
4393 case MGN_12M: rateIndex = 6; break;
4394 case MGN_18M: rateIndex = 7; break;
4395 case MGN_24M: rateIndex = 8; break;
4396 case MGN_36M: rateIndex = 9; break;
4397 case MGN_48M: rateIndex = 10; break;
4398 case MGN_54M: rateIndex = 11; break;
4400 // 11n High throughput rate
4402 case MGN_MCS0: rateIndex = 12; break;
4403 case MGN_MCS1: rateIndex = 13; break;
4404 case MGN_MCS2: rateIndex = 14; break;
4405 case MGN_MCS3: rateIndex = 15; break;
4406 case MGN_MCS4: rateIndex = 16; break;
4407 case MGN_MCS5: rateIndex = 17; break;
4408 case MGN_MCS6: rateIndex = 18; break;
4409 case MGN_MCS7: rateIndex = 19; break;
4410 case MGN_MCS8: rateIndex = 20; break;
4411 case MGN_MCS9: rateIndex = 21; break;
4412 case MGN_MCS10: rateIndex = 22; break;
4413 case MGN_MCS11: rateIndex = 23; break;
4414 case MGN_MCS12: rateIndex = 24; break;
4415 case MGN_MCS13: rateIndex = 25; break;
4416 case MGN_MCS14: rateIndex = 26; break;
4417 case MGN_MCS15: rateIndex = 27; break;
4418 default: rateIndex = 28; break;
4420 priv->stats.received_rate_histogram[0][rateIndex]++; //total
4421 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4424 static void rtl8192_rx(struct net_device *dev)
4426 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4427 struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
4428 bool unicast_packet = false;
4429 struct ieee80211_rx_stats stats = {
4433 .freq = IEEE80211_24GHZ_BAND,
4435 unsigned int count = priv->rxringcount;
4436 prx_fwinfo_819x_pci pDrvInfo = NULL;
4437 struct sk_buff *new_skb;
4440 rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor
4441 struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt
4444 /* wait data to be filled by hardware */
4447 stats.bICV = pdesc->ICV;
4448 stats.bCRC = pdesc->CRC32;
4449 stats.bHwError = pdesc->CRC32 | pdesc->ICV;
4451 stats.Length = pdesc->Length;
4452 if(stats.Length < 24)
4453 stats.bHwError |= 1;
4455 if(stats.bHwError) {
4456 stats.bShift = false;
4460 new_skb = dev_alloc_skb(priv->rxbuffersize);
4462 if (unlikely(!new_skb))
4465 stats.RxDrvInfoSize = pdesc->RxDrvInfoSize;
4466 stats.RxBufShift = ((pdesc->Shift)&0x03);
4467 stats.Decrypted = !pdesc->SWDec;
4469 pci_dma_sync_single_for_cpu(priv->pdev,
4470 *((dma_addr_t *)skb->cb),
4472 PCI_DMA_FROMDEVICE);
4473 skb_put(skb, pdesc->Length);
4474 pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift);
4475 skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift);
4477 stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate);
4478 stats.bShortPreamble = pDrvInfo->SPLCP;
4480 /* it is debug only. It should be disabled in released driver.
4481 * 2007.1.11 by Emily
4483 UpdateReceivedRateHistogramStatistics8190(priv, &stats);
4485 stats.bIsAMPDU = (pDrvInfo->PartAggr==1);
4486 stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1);
4488 stats.TimeStampLow = pDrvInfo->TSFL;
4489 stats.TimeStampHigh = read_nic_dword(priv, TSFR+4);
4491 UpdateRxPktTimeStamp8190(dev, &stats);
4494 // Get Total offset of MPDU Frame Body
4496 if((stats.RxBufShift + stats.RxDrvInfoSize) > 0)
4499 stats.RxIs40MHzPacket = pDrvInfo->BW;
4502 TranslateRxSignalStuff819xpci(priv, skb, &stats, pdesc, pDrvInfo);
4505 if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1)
4506 RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
4507 pDrvInfo->FirstAGGR, pDrvInfo->PartAggr);
4508 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4509 /* rx packets statistics */
4510 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
4511 unicast_packet = false;
4513 if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4515 }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
4518 /* unicast packet */
4519 unicast_packet = true;
4522 stats.packetlength = stats.Length-4;
4523 stats.fraglength = stats.packetlength;
4524 stats.fragoffset = 0;
4525 stats.ntotalfrag = 1;
4527 if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){
4528 dev_kfree_skb_any(skb);
4531 if(unicast_packet) {
4532 priv->stats.rxbytesunicast += skb->len;
4536 pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb),
4537 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4540 priv->rx_buf[priv->rx_idx] = skb;
4541 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4544 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
4546 pdesc->Length = priv->rxbuffersize;
4547 if (priv->rx_idx == priv->rxringcount-1)
4549 priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount;
4554 static void rtl8192_irq_rx_tasklet(unsigned long arg)
4556 struct r8192_priv *priv = (struct r8192_priv*) arg;
4557 rtl8192_rx(priv->ieee80211->dev);
4559 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) | IMR_RDU);
4562 static const struct net_device_ops rtl8192_netdev_ops = {
4563 .ndo_open = rtl8192_open,
4564 .ndo_stop = rtl8192_close,
4565 .ndo_tx_timeout = tx_timeout,
4566 .ndo_do_ioctl = rtl8192_ioctl,
4567 .ndo_set_multicast_list = r8192_set_multicast,
4568 .ndo_set_mac_address = r8192_set_mac_adr,
4569 .ndo_start_xmit = ieee80211_rtl_xmit,
4572 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
4573 const struct pci_device_id *id)
4575 unsigned long ioaddr = 0;
4576 struct net_device *dev = NULL;
4577 struct r8192_priv *priv= NULL;
4580 unsigned long pmem_start, pmem_len, pmem_flags;
4582 RT_TRACE(COMP_INIT,"Configuring chip resources\n");
4584 if( pci_enable_device (pdev) ){
4585 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
4589 pci_set_master(pdev);
4590 //pci_set_wmi(pdev);
4591 pci_set_dma_mask(pdev, 0xffffff00ULL);
4592 pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
4593 dev = alloc_ieee80211(sizeof(struct r8192_priv));
4599 pci_set_drvdata(pdev, dev);
4600 SET_NETDEV_DEV(dev, &pdev->dev);
4601 priv = ieee80211_priv(dev);
4602 priv->ieee80211 = netdev_priv(dev);
4604 if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){
4605 priv->ieee80211->bSupportRemoteWakeUp = 1;
4608 priv->ieee80211->bSupportRemoteWakeUp = 0;
4611 pmem_start = pci_resource_start(pdev, 1);
4612 pmem_len = pci_resource_len(pdev, 1);
4613 pmem_flags = pci_resource_flags (pdev, 1);
4615 if (!(pmem_flags & IORESOURCE_MEM)) {
4616 RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting\n");
4620 //DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
4621 if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) {
4622 RT_TRACE(COMP_ERR,"request_mem_region failed!\n");
4627 ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len);
4628 if( ioaddr == (unsigned long)NULL ){
4629 RT_TRACE(COMP_ERR,"ioremap failed!\n");
4630 // release_mem_region( pmem_start, pmem_len );
4634 dev->mem_start = ioaddr; // shared mem start
4635 dev->mem_end = ioaddr + pci_resource_len(pdev, 0); // shared mem end
4637 /* We disable the RETRY_TIMEOUT register (0x41) to keep
4638 * PCI Tx retries from interfering with C3 CPU state */
4639 pci_write_config_byte(pdev, 0x41, 0x00);
4642 pci_read_config_byte(pdev, 0x05, &unit);
4643 pci_write_config_byte(pdev, 0x05, unit & (~0x04));
4645 dev->irq = pdev->irq;
4648 dev->netdev_ops = &rtl8192_netdev_ops;
4650 dev->wireless_handlers = &r8192_wx_handlers_def;
4651 dev->type=ARPHRD_ETHER;
4653 dev->watchdog_timeo = HZ*3;
4655 if (dev_alloc_name(dev, ifname) < 0){
4656 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
4657 strcpy(ifname, "wlan%d");
4658 dev_alloc_name(dev, ifname);
4661 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4662 if(rtl8192_init(dev)!=0){
4663 RT_TRACE(COMP_ERR, "Initialization failed\n");
4667 register_netdev(dev);
4668 RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
4669 rtl8192_proc_init_one(priv);
4672 RT_TRACE(COMP_INIT, "Driver probe completed\n");
4677 if( dev->mem_start != (unsigned long)NULL ){
4678 iounmap( (void *)dev->mem_start );
4679 release_mem_region( pci_resource_start(pdev, 1),
4680 pci_resource_len(pdev, 1) );
4687 free_irq(dev->irq, dev);
4690 free_ieee80211(dev);
4694 pci_disable_device(pdev);
4696 DMESG("wlan driver load failed\n");
4697 pci_set_drvdata(pdev, NULL);
4702 /* detach all the work and timer structure declared or inititialized
4703 * in r8192_init function.
4705 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
4707 /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
4708 * is or is newer than 2.6.20 and work structure is defined to be struct work_struct.
4709 * Otherwise call cancel_delayed_work is enough.
4710 * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
4712 cancel_delayed_work(&priv->watch_dog_wq);
4713 cancel_delayed_work(&priv->update_beacon_wq);
4714 cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq);
4715 cancel_delayed_work(&priv->gpio_change_rf_wq);
4716 cancel_work_sync(&priv->reset_wq);
4717 cancel_work_sync(&priv->qos_activate);
4721 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
4723 struct net_device *dev = pci_get_drvdata(pdev);
4724 struct r8192_priv *priv ;
4729 unregister_netdev(dev);
4731 priv = ieee80211_priv(dev);
4733 rtl8192_proc_remove_one(priv);
4736 if (priv->pFirmware)
4738 vfree(priv->pFirmware);
4739 priv->pFirmware = NULL;
4741 destroy_workqueue(priv->priv_wq);
4743 /* free tx/rx rings */
4744 rtl8192_free_rx_ring(priv);
4745 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
4746 rtl8192_free_tx_ring(priv, i);
4749 printk("Freeing irq %d\n",dev->irq);
4750 free_irq(dev->irq, dev);
4754 if( dev->mem_start != (unsigned long)NULL ){
4755 iounmap( (void *)dev->mem_start );
4756 release_mem_region( pci_resource_start(pdev, 1),
4757 pci_resource_len(pdev, 1) );
4760 free_ieee80211(dev);
4763 pci_disable_device(pdev);
4764 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
4767 extern int ieee80211_rtl_init(void);
4768 extern void ieee80211_rtl_exit(void);
4770 static int __init rtl8192_pci_module_init(void)
4774 retval = ieee80211_rtl_init();
4778 printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
4779 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
4780 RT_TRACE(COMP_INIT, "Initializing module\n");
4781 rtl8192_proc_module_init();
4782 if(0!=pci_register_driver(&rtl8192_pci_driver))
4784 DMESG("No device found");
4785 /*pci_unregister_driver (&rtl8192_pci_driver);*/
4792 static void __exit rtl8192_pci_module_exit(void)
4794 pci_unregister_driver(&rtl8192_pci_driver);
4796 RT_TRACE(COMP_DOWN, "Exiting\n");
4797 rtl8192_proc_module_remove();
4798 ieee80211_rtl_exit();
4801 static irqreturn_t rtl8192_interrupt(int irq, void *netdev)
4803 struct net_device *dev = (struct net_device *) netdev;
4804 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4805 unsigned long flags;
4807 irqreturn_t ret = IRQ_HANDLED;
4809 spin_lock_irqsave(&priv->irq_th_lock, flags);
4813 inta = read_nic_dword(priv, ISR); /* & priv->IntrMask; */
4814 write_nic_dword(priv, ISR, inta); /* reset int situation */
4818 * most probably we can safely return IRQ_NONE,
4819 * but for now is better to avoid problems
4824 if (inta == 0xffff) {
4829 if (!netif_running(dev))
4832 if (inta & IMR_TBDOK) {
4833 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4834 rtl8192_tx_isr(priv, BEACON_QUEUE);
4835 priv->stats.txbeaconokint++;
4838 if (inta & IMR_TBDER) {
4839 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4840 rtl8192_tx_isr(priv, BEACON_QUEUE);
4841 priv->stats.txbeaconerr++;
4844 if (inta & IMR_MGNTDOK ) {
4845 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
4846 priv->stats.txmanageokint++;
4847 rtl8192_tx_isr(priv, MGNT_QUEUE);
4850 if (inta & IMR_COMDOK)
4852 priv->stats.txcmdpktokint++;
4853 rtl8192_tx_isr(priv, TXCMD_QUEUE);
4856 if (inta & IMR_ROK) {
4857 priv->stats.rxint++;
4858 tasklet_schedule(&priv->irq_rx_tasklet);
4861 if (inta & IMR_BcnInt) {
4862 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
4863 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
4866 if (inta & IMR_RDU) {
4867 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
4868 priv->stats.rxrdu++;
4869 /* reset int situation */
4870 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) & ~IMR_RDU);
4871 tasklet_schedule(&priv->irq_rx_tasklet);
4874 if (inta & IMR_RXFOVW) {
4875 RT_TRACE(COMP_INTR, "rx overflow !\n");
4876 priv->stats.rxoverflow++;
4877 tasklet_schedule(&priv->irq_rx_tasklet);
4880 if (inta & IMR_TXFOVW)
4881 priv->stats.txoverflow++;
4883 if (inta & IMR_BKDOK) {
4884 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
4885 priv->stats.txbkokint++;
4886 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4887 rtl8192_tx_isr(priv, BK_QUEUE);
4890 if (inta & IMR_BEDOK) {
4891 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
4892 priv->stats.txbeokint++;
4893 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4894 rtl8192_tx_isr(priv, BE_QUEUE);
4897 if (inta & IMR_VIDOK) {
4898 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
4899 priv->stats.txviokint++;
4900 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4901 rtl8192_tx_isr(priv, VI_QUEUE);
4904 if (inta & IMR_VODOK) {
4905 priv->stats.txvookint++;
4906 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4907 rtl8192_tx_isr(priv, VO_QUEUE);
4911 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4916 void EnableHWSecurityConfig8192(struct r8192_priv *priv)
4918 u8 SECR_value = 0x0;
4919 struct ieee80211_device* ieee = priv->ieee80211;
4921 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
4923 if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
4925 SECR_value |= SCR_RxUseDK;
4926 SECR_value |= SCR_TxUseDK;
4928 else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
4930 SECR_value |= SCR_RxUseDK;
4931 SECR_value |= SCR_TxUseDK;
4934 //add HWSec active enable here.
4935 //default using hwsec. when peer AP is in N mode only and pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates it), use software security. when peer AP is in b,g,n mode mixed and pairwise_key_type is none_aes, use g mode hw security. WB on 2008.7.4
4936 ieee->hwsec_active = 1;
4938 if ((ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE) || !hwwep)//!ieee->hwsec_support) //add hwsec_support flag to totol control hw_sec on/off
4940 ieee->hwsec_active = 0;
4941 SECR_value &= ~SCR_RxDecEnable;
4944 RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__,
4945 ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
4947 write_nic_byte(priv, SECR, SECR_value);//SECR_value | SCR_UseDK );
4951 #define TOTAL_CAM_ENTRY 32
4952 //#define CAM_CONTENT_COUNT 8
4953 void setKey( struct net_device *dev,
4961 u32 TargetCommand = 0;
4962 u32 TargetContent = 0;
4966 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4967 RT_RF_POWER_STATE rtState;
4968 rtState = priv->eRFPowerState;
4969 if (priv->PowerSaveControl.bInactivePs){
4970 if(rtState == eRfOff){
4971 if(priv->RfOffReason > RF_CHANGE_BY_IPS)
4973 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
4974 //up(&priv->wx_sem);
4978 down(&priv->ieee80211->ips_sem);
4980 up(&priv->ieee80211->ips_sem);
4984 priv->ieee80211->is_set_key = true;
4986 if (EntryNo >= TOTAL_CAM_ENTRY)
4987 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
4989 RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev,EntryNo, KeyIndex, KeyType, MacAddr);
4992 usConfig |= BIT15 | (KeyType<<2);
4994 usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
4995 // usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
4998 for(i=0 ; i<CAM_CONTENT_COUNT; i++){
4999 TargetCommand = i+CAM_CONTENT_COUNT*EntryNo;
5000 TargetCommand |= BIT31|BIT16;
5002 if(i==0){//MAC|Config
5003 TargetContent = (u32)(*(MacAddr+0)) << 16|
5004 (u32)(*(MacAddr+1)) << 24|
5007 write_nic_dword(priv, WCAMI, TargetContent);
5008 write_nic_dword(priv, RWCAM, TargetCommand);
5011 TargetContent = (u32)(*(MacAddr+2)) |
5012 (u32)(*(MacAddr+3)) << 8|
5013 (u32)(*(MacAddr+4)) << 16|
5014 (u32)(*(MacAddr+5)) << 24;
5015 write_nic_dword(priv, WCAMI, TargetContent);
5016 write_nic_dword(priv, RWCAM, TargetCommand);
5018 else { //Key Material
5019 if(KeyContent != NULL)
5021 write_nic_dword(priv, WCAMI, (u32)(*(KeyContent+i-2)) );
5022 write_nic_dword(priv, RWCAM, TargetCommand);
5026 RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig);
5029 bool NicIFEnableNIC(struct r8192_priv *priv)
5031 RT_STATUS init_status = RT_STATUS_SUCCESS;
5032 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
5036 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
5037 priv->bdisable_nic = false; //YJ,add,091111
5040 // <1> Reset memory: descriptor, buffer,..
5041 //NicIFResetMemory(Adapter);
5043 // <2> Enable Adapter
5044 //priv->bfirst_init = true;
5045 init_status = rtl8192_adapter_start(priv);
5046 if (init_status != RT_STATUS_SUCCESS) {
5047 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
5048 priv->bdisable_nic = false; //YJ,add,091111
5051 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
5052 //priv->bfirst_init = false;
5054 // <3> Enable Interrupt
5055 rtl8192_irq_enable(priv);
5056 priv->bdisable_nic = false;
5058 return (init_status == RT_STATUS_SUCCESS);
5061 bool NicIFDisableNIC(struct r8192_priv *priv)
5065 // <1> Disable Interrupt
5067 priv->bdisable_nic = true; //YJ,move,091109
5068 tmp_state = priv->ieee80211->state;
5070 ieee80211_softmac_stop_protocol(priv->ieee80211, false);
5072 priv->ieee80211->state = tmp_state;
5073 rtl8192_cancel_deferred_work(priv);
5074 rtl8192_irq_disable(priv);
5075 // <2> Stop all timer
5077 // <3> Disable Adapter
5078 rtl8192_halt_adapter(priv, false);
5079 // priv->bdisable_nic = true;
5084 module_init(rtl8192_pci_module_init);
5085 module_exit(rtl8192_pci_module_exit);