1 /******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3 * Linux device driver for RTL8192U
5 * Based on the r8187 driver, which is:
6 * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, 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>
27 #ifndef CONFIG_FORCE_HARD_FLOAT
28 double __floatsidf(int i)
33 unsigned int __fixunsdfsi(double d)
38 double __adddf3(double a, double b)
43 double __addsf3(float a, float b)
48 double __subdf3(double a, double b)
53 double __extendsfdf2(float a)
63 #undef RX_DONT_PASS_UL
65 #undef DEBUG_RX_VERBOSE
71 #undef DEBUG_TX_FILLDESC
76 #undef DEBUG_REGISTERS
78 #undef DEBUG_IRQ_TASKLET
82 #define CONFIG_RTL8192_IO_MAP
84 #include <asm/uaccess.h>
85 #include "r8192U_hw.h"
87 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
88 #include "r8180_93cx6.h" /* Card EEPROM */
89 #include "r8192U_wx.h"
90 #include "r819xU_phy.h" //added by WB 4.30.2008
91 #include "r819xU_phyreg.h"
92 #include "r819xU_cmdpkt.h"
93 #include "r8192U_dm.h"
94 #include <linux/usb.h>
95 #include <linux/slab.h>
96 #include <linux/proc_fs.h>
97 #include <linux/seq_file.h>
98 // FIXME: check if 2.6.7 is ok
100 #ifdef CONFIG_RTL8192_PM
101 #include "r8192_pm.h"
105 //set here to open your trace code. //WB
106 u32 rt_global_debug_component = COMP_DOWN |
108 COMP_ERR; //always open err flags on
110 #define TOTAL_CAM_ENTRY 32
111 #define CAM_CONTENT_COUNT 8
113 static const struct usb_device_id rtl8192_usb_id_tbl[] = {
115 {USB_DEVICE(0x0bda, 0x8709)},
117 {USB_DEVICE(0x07aa, 0x0043)},
119 {USB_DEVICE(0x050d, 0x805E)},
121 {USB_DEVICE(0x0df6, 0x0031)},
123 {USB_DEVICE(0x1740, 0x9201)},
125 {USB_DEVICE(0x2001, 0x3301)},
127 {USB_DEVICE(0x5a57, 0x0290)},
129 {USB_DEVICE(0x043e, 0x7a01)},
133 MODULE_LICENSE("GPL");
134 MODULE_VERSION("V 1.1");
135 MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
136 MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
138 static char *ifname = "wlan%d";
139 static int hwwep = 1; //default use hw. set 0 to use software security
140 static int channels = 0x3fff;
144 module_param(ifname, charp, S_IRUGO|S_IWUSR);
145 module_param(hwwep, int, S_IRUGO|S_IWUSR);
146 module_param(channels, int, S_IRUGO|S_IWUSR);
148 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
149 MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
150 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
152 static int rtl8192_usb_probe(struct usb_interface *intf,
153 const struct usb_device_id *id);
154 static void rtl8192_usb_disconnect(struct usb_interface *intf);
157 static struct usb_driver rtl8192_usb_driver = {
158 .name = RTL819xU_MODULE_NAME, /* Driver name */
159 .id_table = rtl8192_usb_id_tbl, /* PCI_ID table */
160 .probe = rtl8192_usb_probe, /* probe fn */
161 .disconnect = rtl8192_usb_disconnect, /* remove fn */
162 #ifdef CONFIG_RTL8192_PM
163 .suspend = rtl8192_suspend, /* PM suspend fn */
164 .resume = rtl8192_resume, /* PM resume fn */
166 .suspend = NULL, /* PM suspend fn */
167 .resume = NULL, /* PM resume fn */
172 typedef struct _CHANNEL_LIST {
175 } CHANNEL_LIST, *PCHANNEL_LIST;
177 static CHANNEL_LIST ChannelPlan[] = {
178 {{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
179 {{1,2,3,4,5,6,7,8,9,10,11},11}, //IC
180 {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //ETSI
181 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Spain. Change to ETSI.
182 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //France. Change to ETSI.
183 {{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
184 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
185 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Israel.
186 {{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
187 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22}, //MIC
188 {{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
191 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
193 int i, max_chan = -1, min_chan = -1;
194 struct ieee80211_device *ieee = priv->ieee80211;
195 switch (channel_plan) {
196 case COUNTRY_CODE_FCC:
197 case COUNTRY_CODE_IC:
198 case COUNTRY_CODE_ETSI:
199 case COUNTRY_CODE_SPAIN:
200 case COUNTRY_CODE_FRANCE:
201 case COUNTRY_CODE_MKK:
202 case COUNTRY_CODE_MKK1:
203 case COUNTRY_CODE_ISRAEL:
204 case COUNTRY_CODE_TELEC:
205 case COUNTRY_CODE_MIC:
207 ieee->bGlobalDomain = false;
208 //actually 8225 & 8256 rf chips only support B,G,24N mode
209 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
213 RT_TRACE(COMP_ERR, "unknown rf chip, can't set channel map in function:%s()\n", __func__);
215 if (ChannelPlan[channel_plan].Len != 0) {
216 // Clear old channel map
217 memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
218 // Set new channel map
219 for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
220 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
222 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
227 case COUNTRY_CODE_GLOBAL_DOMAIN:
228 GET_DOT11D_INFO(ieee)->bEnabled = 0;//this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain settings.
230 ieee->bGlobalDomain = true;
241 void CamResetAllEntry(struct net_device *dev)
244 //2004/02/11 In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA associate to AP.
245 // However, ResetKey is called on OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest
246 // In this condition, Cam can not be reset because upper layer will not set this static key again.
247 ulcommand |= BIT31|BIT30;
248 write_nic_dword(dev, RWCAM, ulcommand);
253 void write_cam(struct net_device *dev, u8 addr, u32 data)
255 write_nic_dword(dev, WCAMI, data);
256 write_nic_dword(dev, RWCAM, BIT31|BIT16|(addr&0xff));
259 u32 read_cam(struct net_device *dev, u8 addr)
263 write_nic_dword(dev, RWCAM, 0x80000000|(addr&0xff));
264 read_nic_dword(dev, 0xa8, &data);
268 void write_nic_byte_E(struct net_device *dev, int indx, u8 data)
271 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
272 struct usb_device *udev = priv->udev;
274 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
275 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
276 indx|0xfe00, 0, &data, 1, HZ / 2);
279 netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n", status);
282 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
285 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
286 struct usb_device *udev = priv->udev;
288 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
289 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
290 indx|0xfe00, 0, data, 1, HZ / 2);
293 netdev_err(dev, "%s failure status: %d\n", __func__, status);
299 //as 92U has extend page from 4 to 16, so modify functions below.
300 void write_nic_byte(struct net_device *dev, int indx, u8 data)
304 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
305 struct usb_device *udev = priv->udev;
307 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
308 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
309 (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 1, HZ / 2);
312 netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status);
318 void write_nic_word(struct net_device *dev, int indx, u16 data)
323 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
324 struct usb_device *udev = priv->udev;
326 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
327 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
328 (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 2, HZ / 2);
331 netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
336 void write_nic_dword(struct net_device *dev, int indx, u32 data)
341 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
342 struct usb_device *udev = priv->udev;
344 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
345 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
346 (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 4, HZ / 2);
350 netdev_err(dev, "write_nic_dword TimeOut! status: %d\n", status);
356 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
359 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
360 struct usb_device *udev = priv->udev;
362 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
363 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
364 (indx&0xff)|0xff00, (indx>>8)&0x0f, data, 1, HZ / 2);
367 netdev_err(dev, "%s failure status: %d\n", __func__, status);
376 int read_nic_word(struct net_device *dev, int indx, u16 *data)
379 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
380 struct usb_device *udev = priv->udev;
382 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
383 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
384 (indx&0xff)|0xff00, (indx>>8)&0x0f,
388 netdev_err(dev, "%s failure status: %d\n", __func__, status);
395 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
398 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
399 struct usb_device *udev = priv->udev;
401 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
402 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
403 indx|0xfe00, 0, data, 2, HZ / 2);
406 netdev_err(dev, "%s failure status: %d\n", __func__, status);
413 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
417 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
418 struct usb_device *udev = priv->udev;
420 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
421 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
422 (indx&0xff)|0xff00, (indx>>8)&0x0f,
426 netdev_err(dev, "%s failure status: %d\n", __func__, status);
433 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
434 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
435 /* this might still called in what was the PHY rtl8185/rtl8192 common code
436 * plans are to possibility turn it again in one common code...
438 inline void force_pci_posting(struct net_device *dev)
442 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
443 void rtl8192_commit(struct net_device *dev);
444 void rtl8192_restart(struct work_struct *work);
445 void watch_dog_timer_callback(unsigned long data);
447 /****************************************************************************
448 * -----------------------------PROCFS STUFF-------------------------
449 *****************************************************************************
452 static struct proc_dir_entry *rtl8192_proc;
454 static int proc_get_stats_ap(struct seq_file *m, void *v)
456 struct net_device *dev = m->private;
457 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
458 struct ieee80211_device *ieee = priv->ieee80211;
459 struct ieee80211_network *target;
461 list_for_each_entry(target, &ieee->network_list, list) {
462 const char *wpa = "non_WPA";
463 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
466 seq_printf(m, "%s %s\n", target->ssid, wpa);
472 static int proc_get_registers(struct seq_file *m, void *v)
474 struct net_device *dev = m->private;
475 int i, n, max = 0xff;
478 seq_puts(m, "\n####################page 0##################\n ");
480 for (n = 0; n <= max;) {
481 seq_printf(m, "\nD: %2x > ", n);
483 for (i = 0; i < 16 && n <= max; i++, n++) {
484 read_nic_byte(dev, 0x000|n, &byte_rd);
485 seq_printf(m, "%2x ", byte_rd);
489 seq_puts(m, "\n####################page 1##################\n ");
490 for (n = 0; n <= max;) {
491 seq_printf(m, "\nD: %2x > ", n);
493 for (i = 0; i < 16 && n <= max; i++, n++) {
494 read_nic_byte(dev, 0x100|n, &byte_rd);
495 seq_printf(m, "%2x ", byte_rd);
499 seq_puts(m, "\n####################page 3##################\n ");
500 for (n = 0; n <= max;) {
501 seq_printf(m, "\nD: %2x > ", n);
503 for (i = 0; i < 16 && n <= max; i++, n++) {
504 read_nic_byte(dev, 0x300|n, &byte_rd);
505 seq_printf(m, "%2x ", byte_rd);
513 static int proc_get_stats_tx(struct seq_file *m, void *v)
515 struct net_device *dev = m->private;
516 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
519 "TX VI priority ok int: %lu\n"
520 "TX VI priority error int: %lu\n"
521 "TX VO priority ok int: %lu\n"
522 "TX VO priority error int: %lu\n"
523 "TX BE priority ok int: %lu\n"
524 "TX BE priority error int: %lu\n"
525 "TX BK priority ok int: %lu\n"
526 "TX BK priority error int: %lu\n"
527 "TX MANAGE priority ok int: %lu\n"
528 "TX MANAGE priority error int: %lu\n"
529 "TX BEACON priority ok int: %lu\n"
530 "TX BEACON priority error int: %lu\n"
531 "TX queue resume: %lu\n"
532 "TX queue stopped?: %d\n"
533 "TX fifo overflow: %lu\n"
538 "TX VI dropped: %lu\n"
539 "TX VO dropped: %lu\n"
540 "TX BE dropped: %lu\n"
541 "TX BK dropped: %lu\n"
542 "TX total data packets %lu\n",
543 priv->stats.txviokint,
545 priv->stats.txvookint,
547 priv->stats.txbeokint,
549 priv->stats.txbkokint,
551 priv->stats.txmanageokint,
552 priv->stats.txmanageerr,
553 priv->stats.txbeaconokint,
554 priv->stats.txbeaconerr,
555 priv->stats.txresumed,
556 netif_queue_stopped(dev),
557 priv->stats.txoverflow,
558 atomic_read(&(priv->tx_pending[VI_PRIORITY])),
559 atomic_read(&(priv->tx_pending[VO_PRIORITY])),
560 atomic_read(&(priv->tx_pending[BE_PRIORITY])),
561 atomic_read(&(priv->tx_pending[BK_PRIORITY])),
562 priv->stats.txvidrop,
563 priv->stats.txvodrop,
564 priv->stats.txbedrop,
565 priv->stats.txbkdrop,
566 priv->stats.txdatapkt
572 static int proc_get_stats_rx(struct seq_file *m, void *v)
574 struct net_device *dev = m->private;
575 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
579 "RX urb status error: %lu\n"
580 "RX invalid urb error: %lu\n",
581 priv->stats.rxoktotal,
582 priv->stats.rxstaterr,
583 priv->stats.rxurberr);
588 static void rtl8192_proc_module_init(void)
590 RT_TRACE(COMP_INIT, "Initializing proc filesystem");
591 rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
595 void rtl8192_proc_module_remove(void)
597 remove_proc_entry(RTL819xU_MODULE_NAME, init_net.proc_net);
601 * seq_file wrappers for procfile show routines.
603 static int rtl8192_proc_open(struct inode *inode, struct file *file)
605 struct net_device *dev = proc_get_parent_data(inode);
606 int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
608 return single_open(file, show, dev);
611 static const struct file_operations rtl8192_proc_fops = {
612 .open = rtl8192_proc_open,
615 .release = single_release,
619 * Table of proc files we need to create.
621 struct rtl8192_proc_file {
623 int (*show)(struct seq_file *, void *);
626 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
627 { "stats-rx", &proc_get_stats_rx },
628 { "stats-tx", &proc_get_stats_tx },
629 { "stats-ap", &proc_get_stats_ap },
630 { "registers", &proc_get_registers },
634 static void rtl8192_proc_init_one(struct net_device *dev)
636 const struct rtl8192_proc_file *f;
637 struct proc_dir_entry *dir;
640 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
642 RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
647 for (f = rtl8192_proc_files; f->name[0]; f++) {
648 if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
649 &rtl8192_proc_fops, f->show)) {
650 RT_TRACE(COMP_ERR, "Unable to initialize "
651 "/proc/net/rtl8192/%s/%s\n",
659 static void rtl8192_proc_remove_one(struct net_device *dev)
661 remove_proc_subtree(dev->name, rtl8192_proc);
664 /****************************************************************************
665 -----------------------------MISC STUFF-------------------------
666 *****************************************************************************/
668 short check_nic_enough_desc(struct net_device *dev, int queue_index)
670 struct r8192_priv *priv = ieee80211_priv(dev);
671 int used = atomic_read(&priv->tx_pending[queue_index]);
673 return (used < MAX_TX_URB);
676 void tx_timeout(struct net_device *dev)
678 struct r8192_priv *priv = ieee80211_priv(dev);
680 schedule_work(&priv->reset_wq);
684 /* this is only for debug */
685 void dump_eprom(struct net_device *dev)
688 for (i = 0; i < 63; i++)
689 RT_TRACE(COMP_EPROM, "EEPROM addr %x : %x", i, eprom_read(dev, i));
693 /****************************************************************************
694 ------------------------------HW STUFF---------------------------
695 *****************************************************************************/
698 void rtl8192_set_mode(struct net_device *dev, int mode)
701 read_nic_byte(dev, EPROM_CMD, &ecmd);
702 ecmd = ecmd & ~EPROM_CMD_OPERATING_MODE_MASK;
703 ecmd = ecmd | (mode<<EPROM_CMD_OPERATING_MODE_SHIFT);
704 ecmd = ecmd & ~EPROM_CS_BIT;
705 ecmd = ecmd & ~EPROM_CK_BIT;
706 write_nic_byte(dev, EPROM_CMD, ecmd);
710 void rtl8192_update_msr(struct net_device *dev)
712 struct r8192_priv *priv = ieee80211_priv(dev);
715 read_nic_byte(dev, MSR, &msr);
716 msr &= ~MSR_LINK_MASK;
718 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
719 * msr must be updated if the state is ASSOCIATING.
720 * this is intentional and make sense for ad-hoc and
721 * master (see the create BSS/IBSS func)
723 if (priv->ieee80211->state == IEEE80211_LINKED) {
725 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
726 msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
727 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
728 msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
729 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
730 msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
733 msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
736 write_nic_byte(dev, MSR, msr);
739 void rtl8192_set_chan(struct net_device *dev, short ch)
741 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
742 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
745 /* this hack should avoid frame TX during channel setting*/
748 //need to implement rf set channel here WB
750 if (priv->rf_set_chan)
751 priv->rf_set_chan(dev, priv->chan);
756 static void rtl8192_rx_isr(struct urb *urb);
758 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
761 #ifdef USB_RX_AGGREGATION_SUPPORT
762 if (pstats->bisrxaggrsubframe)
763 return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
764 + pstats->RxBufShift + 8);
767 return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
768 + pstats->RxBufShift);
771 static int rtl8192_rx_initiate(struct net_device *dev)
773 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
776 struct rtl8192_rx_info *info;
778 /* nomal packet rx procedure */
779 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
780 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
783 entry = usb_alloc_urb(0, GFP_KERNEL);
788 usb_fill_bulk_urb(entry, priv->udev,
789 usb_rcvbulkpipe(priv->udev, 3), skb_tail_pointer(skb),
790 RX_URB_SIZE, rtl8192_rx_isr, skb);
791 info = (struct rtl8192_rx_info *) skb->cb;
794 info->out_pipe = 3; //denote rx normal packet queue
795 skb_queue_tail(&priv->rx_queue, skb);
796 usb_submit_urb(entry, GFP_KERNEL);
799 /* command packet rx procedure */
800 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
801 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
804 entry = usb_alloc_urb(0, GFP_KERNEL);
809 usb_fill_bulk_urb(entry, priv->udev,
810 usb_rcvbulkpipe(priv->udev, 9), skb_tail_pointer(skb),
811 RX_URB_SIZE, rtl8192_rx_isr, skb);
812 info = (struct rtl8192_rx_info *) skb->cb;
815 info->out_pipe = 9; //denote rx cmd packet queue
816 skb_queue_tail(&priv->rx_queue, skb);
817 usb_submit_urb(entry, GFP_KERNEL);
823 void rtl8192_set_rxconf(struct net_device *dev)
825 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
828 read_nic_dword(dev, RCR, &rxconf);
829 rxconf = rxconf & ~MAC_FILTER_MASK;
830 rxconf = rxconf | RCR_AMF;
831 rxconf = rxconf | RCR_ADF;
832 rxconf = rxconf | RCR_AB;
833 rxconf = rxconf | RCR_AM;
835 if (dev->flags & IFF_PROMISC)
836 DMESG("NIC in promisc mode");
838 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
839 dev->flags & IFF_PROMISC) {
840 rxconf = rxconf | RCR_AAP;
842 rxconf = rxconf | RCR_APM;
843 rxconf = rxconf | RCR_CBSSID;
847 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
848 rxconf = rxconf | RCR_AICV;
849 rxconf = rxconf | RCR_APWRMGT;
852 if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
853 rxconf = rxconf | RCR_ACRC32;
856 rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
857 rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE<<RX_FIFO_THRESHOLD_SHIFT);
858 rxconf = rxconf & ~MAX_RX_DMA_MASK;
859 rxconf = rxconf | ((u32)7<<RCR_MXDMA_OFFSET);
861 rxconf = rxconf | RCR_ONLYERLPKT;
863 write_nic_dword(dev, RCR, rxconf);
866 void rtl8192_rx_enable(struct net_device *dev)
868 rtl8192_rx_initiate(dev);
872 void rtl8192_tx_enable(struct net_device *dev)
878 void rtl8192_rtx_disable(struct net_device *dev)
881 struct r8192_priv *priv = ieee80211_priv(dev);
883 struct rtl8192_rx_info *info;
885 read_nic_byte(dev, CMDR, &cmd);
886 write_nic_byte(dev, CMDR, cmd & ~(CR_TE|CR_RE));
887 force_pci_posting(dev);
890 while ((skb = __skb_dequeue(&priv->rx_queue))) {
891 info = (struct rtl8192_rx_info *) skb->cb;
895 usb_kill_urb(info->urb);
899 if (skb_queue_len(&priv->skb_queue))
900 netdev_warn(dev, "skb_queue not empty\n");
902 skb_queue_purge(&priv->skb_queue);
907 int alloc_tx_beacon_desc_ring(struct net_device *dev, int count)
912 inline u16 ieeerate2rtlrate(int rate)
944 static u16 rtl_rate[] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540};
945 inline u16 rtl8192_rate2rate(short rate)
947 if (rate > 11) return 0;
948 return rtl_rate[rate];
952 /* The prototype of rx_isr has changed since one version of Linux Kernel */
953 static void rtl8192_rx_isr(struct urb *urb)
955 struct sk_buff *skb = (struct sk_buff *) urb->context;
956 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
957 struct net_device *dev = info->dev;
958 struct r8192_priv *priv = ieee80211_priv(dev);
959 int out_pipe = info->out_pipe;
963 if (unlikely(urb->status)) {
965 priv->stats.rxstaterr++;
966 priv->ieee80211->stats.rx_errors++;
970 skb_unlink(skb, &priv->rx_queue);
971 skb_put(skb, urb->actual_length);
973 skb_queue_tail(&priv->skb_queue, skb);
974 tasklet_schedule(&priv->irq_rx_tasklet);
976 skb = dev_alloc_skb(RX_URB_SIZE);
977 if (unlikely(!skb)) {
979 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
980 /* TODO check rx queue length and refill *somewhere* */
984 usb_fill_bulk_urb(urb, priv->udev,
985 usb_rcvbulkpipe(priv->udev, out_pipe), skb_tail_pointer(skb),
986 RX_URB_SIZE, rtl8192_rx_isr, skb);
988 info = (struct rtl8192_rx_info *) skb->cb;
991 info->out_pipe = out_pipe;
993 urb->transfer_buffer = skb_tail_pointer(skb);
995 skb_queue_tail(&priv->rx_queue, skb);
996 err = usb_submit_urb(urb, GFP_ATOMIC);
997 if (err && err != EPERM)
998 netdev_err(dev, "can not submit rxurb, err is %x, URB status is %x\n", err, urb->status);
1001 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
1002 struct ieee80211_rx_stats *pstats)
1006 status = cmpk_message_handle_rx(dev, pstats);
1008 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
1014 void rtl8192_data_hard_stop(struct net_device *dev)
1020 void rtl8192_data_hard_resume(struct net_device *dev)
1025 /* this function TX data frames when the ieee80211 stack requires this.
1026 * It checks also if we need to stop the ieee tx queue, eventually do it
1028 void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
1030 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1032 unsigned long flags;
1033 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1034 u8 queue_index = tcb_desc->queue_index;
1036 /* shall not be referred by command packet */
1037 RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1039 spin_lock_irqsave(&priv->tx_lock, flags);
1041 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1042 tcb_desc->bTxEnableFwCalcDur = 1;
1043 skb_push(skb, priv->ieee80211->tx_headroom);
1044 ret = rtl8192_tx(dev, skb);
1046 spin_unlock_irqrestore(&priv->tx_lock, flags);
1051 /* This is a rough attempt to TX a frame
1052 * This is called by the ieee 80211 stack to TX management frames.
1053 * If the ring is full packet are dropped (for data frame the queue
1054 * is stopped before this can happen).
1056 int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1058 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1060 unsigned long flags;
1061 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1062 u8 queue_index = tcb_desc->queue_index;
1065 spin_lock_irqsave(&priv->tx_lock, flags);
1067 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1068 if (queue_index == TXCMD_QUEUE) {
1069 skb_push(skb, USB_HWDESC_HEADER_LEN);
1070 rtl819xU_tx_cmd(dev, skb);
1072 spin_unlock_irqrestore(&priv->tx_lock, flags);
1075 skb_push(skb, priv->ieee80211->tx_headroom);
1076 ret = rtl8192_tx(dev, skb);
1079 spin_unlock_irqrestore(&priv->tx_lock, flags);
1085 void rtl8192_try_wake_queue(struct net_device *dev, int pri);
1087 #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
1088 u16 DrvAggr_PaddingAdd(struct net_device *dev, struct sk_buff *skb)
1090 u16 PaddingNum = 256 - ((skb->len + TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES) % 256);
1091 return PaddingNum & 0xff;
1094 u8 MRateToHwRate8190Pci(u8 rate);
1095 u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc);
1096 u8 MapHwQueueToFirmwareQueue(u8 QueueID);
1097 struct sk_buff *DrvAggr_Aggregation(struct net_device *dev, struct ieee80211_drv_agg_txb *pSendList)
1099 struct ieee80211_device *ieee = netdev_priv(dev);
1100 struct r8192_priv *priv = ieee80211_priv(dev);
1101 cb_desc *tcb_desc = NULL;
1104 struct sk_buff *skb;
1105 struct sk_buff *agg_skb;
1106 tx_desc_819x_usb_aggr_subframe *tx_agg_desc = NULL;
1107 tx_fwinfo_819x_usb *tx_fwinfo = NULL;
1110 // Local variable initialization.
1112 /* first skb initialization */
1113 skb = pSendList->tx_agg_frames[0];
1114 TotalLength = skb->len;
1116 /* Get the total aggregation length including the padding space and
1119 for (i = 1; i < pSendList->nr_drv_agg_frames; i++) {
1120 TotalLength += DrvAggr_PaddingAdd(dev, skb);
1121 skb = pSendList->tx_agg_frames[i];
1122 TotalLength += (skb->len + TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES);
1125 /* allocate skb to contain the aggregated packets */
1126 agg_skb = dev_alloc_skb(TotalLength + ieee->tx_headroom);
1127 memset(agg_skb->data, 0, agg_skb->len);
1128 skb_reserve(agg_skb, ieee->tx_headroom);
1130 /* reserve info for first subframe Tx descriptor to be set in the tx function */
1131 skb = pSendList->tx_agg_frames[0];
1132 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1133 tcb_desc->drv_agg_enable = 1;
1134 tcb_desc->pkt_size = skb->len;
1135 tcb_desc->DrvAggrNum = pSendList->nr_drv_agg_frames;
1136 netdev_dbg(dev, "DrvAggNum = %d\n", tcb_desc->DrvAggrNum);
1137 memcpy(agg_skb->cb, skb->cb, sizeof(skb->cb));
1138 memcpy(skb_put(agg_skb, skb->len), skb->data, skb->len);
1140 for (i = 1; i < pSendList->nr_drv_agg_frames; i++) {
1141 /* push the next sub frame to be 256 byte aline */
1142 skb_put(agg_skb, DrvAggr_PaddingAdd(dev, skb));
1144 /* Subframe drv Tx descriptor and firmware info setting */
1145 skb = pSendList->tx_agg_frames[i];
1146 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1147 tx_agg_desc = (tx_desc_819x_usb_aggr_subframe *)skb_tail_pointer(agg_skb);
1148 tx_fwinfo = (tx_fwinfo_819x_usb *)(skb_tail_pointer(agg_skb) + sizeof(tx_desc_819x_usb_aggr_subframe));
1150 memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1152 tx_fwinfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
1153 tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1154 tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1155 tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate, tcb_desc);
1156 if (tcb_desc->bAMPDUEnable) {//AMPDU enabled
1157 tx_fwinfo->AllowAggregation = 1;
1159 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1160 tx_fwinfo->RxAMD = tcb_desc->ampdu_density&0x07;//ampdudensity
1162 tx_fwinfo->AllowAggregation = 0;
1164 tx_fwinfo->RxMF = 0;
1165 tx_fwinfo->RxAMD = 0;
1168 /* Protection mode related */
1169 tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1170 tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1171 tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1172 tx_fwinfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
1173 tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1174 tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1175 tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1176 tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1177 (tcb_desc->bRTSUseShortGI ? 1 : 0);
1179 /* Set Bandwidth and sub-channel settings. */
1180 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1181 if (tcb_desc->bPacketBW) {
1182 tx_fwinfo->TxBandwidth = 1;
1183 tx_fwinfo->TxSubCarrier = 0; //By SD3's Jerry suggestion, use duplicated mode
1185 tx_fwinfo->TxBandwidth = 0;
1186 tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1189 tx_fwinfo->TxBandwidth = 0;
1190 tx_fwinfo->TxSubCarrier = 0;
1193 /* Fill Tx descriptor */
1194 memset(tx_agg_desc, 0, sizeof(tx_desc_819x_usb_aggr_subframe));
1196 tx_agg_desc->Offset = sizeof(tx_fwinfo_819x_usb) + 8;
1197 /* already raw data, need not to subtract header length */
1198 tx_agg_desc->PktSize = skb->len & 0xffff;
1201 tx_agg_desc->SecCAMID = 0;
1202 tx_agg_desc->RATid = tcb_desc->RATRIndex;
1203 tx_agg_desc->NoEnc = 1;
1204 tx_agg_desc->SecType = 0x0;
1206 if (tcb_desc->bHwSec) {
1207 switch (priv->ieee80211->pairwise_key_type) {
1208 case KEY_TYPE_WEP40:
1209 case KEY_TYPE_WEP104:
1210 tx_agg_desc->SecType = 0x1;
1211 tx_agg_desc->NoEnc = 0;
1214 tx_agg_desc->SecType = 0x2;
1215 tx_agg_desc->NoEnc = 0;
1218 tx_agg_desc->SecType = 0x3;
1219 tx_agg_desc->NoEnc = 0;
1222 tx_agg_desc->SecType = 0x0;
1223 tx_agg_desc->NoEnc = 1;
1228 tx_agg_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1229 tx_agg_desc->TxFWInfoSize = sizeof(tx_fwinfo_819x_usb);
1231 tx_agg_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1232 tx_agg_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1234 tx_agg_desc->OWN = 1;
1237 /* According windows driver, it seems that there no need to fill this field */
1239 /* to fill next packet */
1240 skb_put(agg_skb, TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES);
1241 memcpy(skb_put(agg_skb, skb->len), skb->data, skb->len);
1244 for (i = 0; i < pSendList->nr_drv_agg_frames; i++)
1245 dev_kfree_skb_any(pSendList->tx_agg_frames[i]);
1251 This function return a list of PTCB which is proper to be aggregate with the input TCB.
1252 If no proper TCB is found to do aggregation, SendList will only contain the input TCB.
1254 u8 DrvAggr_GetAggregatibleList(struct net_device *dev, struct sk_buff *skb,
1255 struct ieee80211_drv_agg_txb *pSendList)
1257 struct ieee80211_device *ieee = netdev_priv(dev);
1258 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1259 u16 nMaxAggrNum = pHTInfo->UsbTxAggrNum;
1260 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1261 u8 QueueID = tcb_desc->queue_index;
1264 pSendList->tx_agg_frames[pSendList->nr_drv_agg_frames++] = skb;
1265 if (pSendList->nr_drv_agg_frames >= nMaxAggrNum)
1268 } while ((skb = skb_dequeue(&ieee->skb_drv_aggQ[QueueID])));
1270 RT_TRACE(COMP_AMSDU, "DrvAggr_GetAggregatibleList, nAggrTcbNum = %d \n", pSendList->nr_drv_agg_frames);
1271 return pSendList->nr_drv_agg_frames;
1275 static void rtl8192_tx_isr(struct urb *tx_urb)
1277 struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1278 struct net_device *dev = NULL;
1279 struct r8192_priv *priv = NULL;
1280 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1281 u8 queue_index = tcb_desc->queue_index;
1283 memcpy(&dev, (struct net_device *)(skb->cb), sizeof(struct net_device *));
1284 priv = ieee80211_priv(dev);
1286 if (tcb_desc->queue_index != TXCMD_QUEUE) {
1287 if (tx_urb->status == 0) {
1288 dev->trans_start = jiffies;
1289 priv->stats.txoktotal++;
1290 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1291 priv->stats.txbytesunicast += (skb->len - priv->ieee80211->tx_headroom);
1293 priv->ieee80211->stats.tx_errors++;
1298 /* free skb and tx_urb */
1300 dev_kfree_skb_any(skb);
1301 usb_free_urb(tx_urb);
1302 atomic_dec(&priv->tx_pending[queue_index]);
1306 // Handle HW Beacon:
1307 // We had transfer our beacon frame to host controller at this moment.
1311 // Handling the wait queue of command packets.
1312 // For Tx command packets, we must not do TCB fragment because it is not handled right now.
1313 // We must cut the packets to match the size of TX_CMD_PKT before we send it.
1316 /* Handle MPDU in wait queue. */
1317 if (queue_index != BEACON_QUEUE) {
1318 /* Don't send data frame during scanning.*/
1319 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1320 (!(priv->ieee80211->queue_stop))) {
1321 if (NULL != (skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]))))
1322 priv->ieee80211->softmac_hard_start_xmit(skb, dev);
1324 return; //modified by david to avoid further processing AMSDU
1326 #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
1327 else if ((skb_queue_len(&priv->ieee80211->skb_drv_aggQ[queue_index]) != 0) &&
1328 (!(priv->ieee80211->queue_stop))) {
1329 // Tx Driver Aggregation process
1330 /* The driver will aggregation the packets according to the following stats
1331 * 1. check whether there's tx irq available, for it's a completion return
1332 * function, it should contain enough tx irq;
1333 * 2. check packet type;
1334 * 3. initialize sendlist, check whether the to-be send packet no greater than 1
1335 * 4. aggregates the packets, and fill firmware info and tx desc into it, etc.
1336 * 5. check whether the packet could be sent, otherwise just insert into wait head
1338 skb = skb_dequeue(&priv->ieee80211->skb_drv_aggQ[queue_index]);
1339 if (!check_nic_enough_desc(dev, queue_index)) {
1340 skb_queue_head(&(priv->ieee80211->skb_drv_aggQ[queue_index]), skb);
1346 struct ieee80211_drv_agg_txb SendList;
1348 memset(&SendList, 0, sizeof(struct ieee80211_drv_agg_txb));
1349 if (DrvAggr_GetAggregatibleList(dev, skb, &SendList) > 1) {
1350 skb = DrvAggr_Aggregation(dev, &SendList);
1354 priv->ieee80211->softmac_hard_start_xmit(skb, dev);
1361 void rtl8192_beacon_stop(struct net_device *dev)
1364 struct r8192_priv *priv = ieee80211_priv(dev);
1366 read_nic_byte(dev, MSR, &msr);
1367 msrm = msr & MSR_LINK_MASK;
1368 msr2 = msr & ~MSR_LINK_MASK;
1370 if (NIC_8192U == priv->card_8192)
1371 usb_kill_urb(priv->rx_urb[MAX_RX_URB]);
1372 if ((msrm == (MSR_LINK_ADHOC<<MSR_LINK_SHIFT) ||
1373 (msrm == (MSR_LINK_MASTER<<MSR_LINK_SHIFT)))) {
1374 write_nic_byte(dev, MSR, msr2 | MSR_LINK_NONE);
1375 write_nic_byte(dev, MSR, msr);
1379 void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1381 struct r8192_priv *priv = ieee80211_priv(dev);
1382 struct ieee80211_network *net;
1383 u8 i = 0, basic_rate = 0;
1384 net = &priv->ieee80211->current_network;
1386 for (i = 0; i < net->rates_len; i++) {
1387 basic_rate = net->rates[i]&0x7f;
1388 switch (basic_rate) {
1389 case MGN_1M: *rate_config |= RRSR_1M; break;
1390 case MGN_2M: *rate_config |= RRSR_2M; break;
1391 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
1392 case MGN_11M: *rate_config |= RRSR_11M; break;
1393 case MGN_6M: *rate_config |= RRSR_6M; break;
1394 case MGN_9M: *rate_config |= RRSR_9M; break;
1395 case MGN_12M: *rate_config |= RRSR_12M; break;
1396 case MGN_18M: *rate_config |= RRSR_18M; break;
1397 case MGN_24M: *rate_config |= RRSR_24M; break;
1398 case MGN_36M: *rate_config |= RRSR_36M; break;
1399 case MGN_48M: *rate_config |= RRSR_48M; break;
1400 case MGN_54M: *rate_config |= RRSR_54M; break;
1403 for (i = 0; i < net->rates_ex_len; i++) {
1404 basic_rate = net->rates_ex[i]&0x7f;
1405 switch (basic_rate) {
1406 case MGN_1M: *rate_config |= RRSR_1M; break;
1407 case MGN_2M: *rate_config |= RRSR_2M; break;
1408 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
1409 case MGN_11M: *rate_config |= RRSR_11M; break;
1410 case MGN_6M: *rate_config |= RRSR_6M; break;
1411 case MGN_9M: *rate_config |= RRSR_9M; break;
1412 case MGN_12M: *rate_config |= RRSR_12M; break;
1413 case MGN_18M: *rate_config |= RRSR_18M; break;
1414 case MGN_24M: *rate_config |= RRSR_24M; break;
1415 case MGN_36M: *rate_config |= RRSR_36M; break;
1416 case MGN_48M: *rate_config |= RRSR_48M; break;
1417 case MGN_54M: *rate_config |= RRSR_54M; break;
1423 #define SHORT_SLOT_TIME 9
1424 #define NON_SHORT_SLOT_TIME 20
1426 void rtl8192_update_cap(struct net_device *dev, u16 cap)
1429 struct r8192_priv *priv = ieee80211_priv(dev);
1430 struct ieee80211_network *net = &priv->ieee80211->current_network;
1431 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1432 tmp = priv->basic_rate;
1433 if (priv->short_preamble)
1434 tmp |= BRSR_AckShortPmb;
1435 write_nic_dword(dev, RRSR, tmp);
1437 if (net->mode & (IEEE_G|IEEE_N_24G)) {
1439 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) && (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime)) //short slot time
1440 slot_time = SHORT_SLOT_TIME;
1441 else //long slot time
1442 slot_time = NON_SHORT_SLOT_TIME;
1443 priv->slot_time = slot_time;
1444 write_nic_byte(dev, SLOT_TIME, slot_time);
1448 void rtl8192_net_update(struct net_device *dev)
1451 struct r8192_priv *priv = ieee80211_priv(dev);
1452 struct ieee80211_network *net;
1453 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1454 u16 rate_config = 0;
1455 net = &priv->ieee80211->current_network;
1457 rtl8192_config_rate(dev, &rate_config);
1458 priv->basic_rate = rate_config &= 0x15f;
1460 write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1461 write_nic_word(dev, BSSIDR+4, ((u16 *)net->bssid)[2]);
1463 rtl8192_update_msr(dev);
1464 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1465 write_nic_word(dev, ATIMWND, 2);
1466 write_nic_word(dev, BCN_DMATIME, 1023);
1467 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1468 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1469 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1470 BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
1471 // TODO: BcnIFS may required to be changed on ASIC
1472 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
1474 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1481 //temporary hw beacon is not used any more.
1482 //open it when necessary
1483 void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate)
1487 inline u8 rtl8192_IsWirelessBMode(u16 rate)
1489 if (((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220))
1494 u16 N_DBPSOfRate(u16 DataRate);
1496 u16 ComputeTxTime(u16 FrameLength, u16 DataRate, u8 bManagementFrame,
1503 if (rtl8192_IsWirelessBMode(DataRate)) {
1504 if (bManagementFrame || !bShortPreamble || DataRate == 10) // long preamble
1505 FrameTime = (u16)(144+48+(FrameLength*8/(DataRate/10)));
1506 else // Short preamble
1507 FrameTime = (u16)(72+24+(FrameLength*8/(DataRate/10)));
1508 if ((FrameLength*8 % (DataRate/10)) != 0) //Get the Ceilling
1510 } else { //802.11g DSSS-OFDM PLCP length field calculation.
1511 N_DBPS = N_DBPSOfRate(DataRate);
1512 Ceiling = (16 + 8*FrameLength + 6) / N_DBPS
1513 + (((16 + 8*FrameLength + 6) % N_DBPS) ? 1 : 0);
1514 FrameTime = (u16)(16 + 4 + 4*Ceiling + 6);
1519 u16 N_DBPSOfRate(u16 DataRate)
1563 void rtl819xU_cmd_isr(struct urb *tx_cmd_urb, struct pt_regs *regs)
1565 usb_free_urb(tx_cmd_urb);
1568 unsigned int txqueue2outpipe(struct r8192_priv *priv, unsigned int tx_queue)
1570 if (tx_queue >= 9) {
1571 RT_TRACE(COMP_ERR, "%s():Unknown queue ID!!!\n", __func__);
1574 return priv->txqueue_to_outpipemap[tx_queue];
1577 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1579 struct r8192_priv *priv = ieee80211_priv(dev);
1582 unsigned int idx_pipe;
1583 tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1584 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1585 u8 queue_index = tcb_desc->queue_index;
1587 atomic_inc(&priv->tx_pending[queue_index]);
1588 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1594 memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1595 /* Tx descriptor ought to be set according to the skb->cb */
1596 pdesc->FirstSeg = 1;//bFirstSeg;
1597 pdesc->LastSeg = 1;//bLastSeg;
1598 pdesc->CmdInit = tcb_desc->bCmdOrInit;
1599 pdesc->TxBufferSize = tcb_desc->txbuf_size;
1601 pdesc->LINIP = tcb_desc->bLastIniPkt;
1603 //----------------------------------------------------------------------------
1604 // Fill up USB_OUT_CONTEXT.
1605 //----------------------------------------------------------------------------
1606 // Get index to out pipe from specified QueueID.
1607 #ifndef USE_ONE_PIPE
1608 idx_pipe = txqueue2outpipe(priv, queue_index);
1612 usb_fill_bulk_urb(tx_urb, priv->udev, usb_sndbulkpipe(priv->udev, idx_pipe),
1613 skb->data, skb->len, rtl8192_tx_isr, skb);
1615 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1620 DMESGE("Error TX CMD URB, error %d", status);
1626 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1627 * in TxFwInfo data structure
1628 * 2006.10.30 by Emily
1630 * \param QUEUEID Software Queue
1632 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1634 u8 QueueSelect = 0x0; //defualt set to
1638 QueueSelect = QSLT_BE;
1642 QueueSelect = QSLT_BK;
1646 QueueSelect = QSLT_VO;
1650 QueueSelect = QSLT_VI;
1653 QueueSelect = QSLT_MGNT;
1657 QueueSelect = QSLT_BEACON;
1660 // TODO: 2006.10.30 mark other queue selection until we verify it is OK
1661 // TODO: Remove Assertions
1663 QueueSelect = QSLT_CMD;
1666 QueueSelect = QSLT_HIGH;
1670 RT_TRACE(COMP_ERR, "TransmitTCB(): Impossible Queue Selection: %d \n", QueueID);
1676 u8 MRateToHwRate8190Pci(u8 rate)
1678 u8 ret = DESC90_RATE1M;
1681 case MGN_1M: ret = DESC90_RATE1M; break;
1682 case MGN_2M: ret = DESC90_RATE2M; break;
1683 case MGN_5_5M: ret = DESC90_RATE5_5M; break;
1684 case MGN_11M: ret = DESC90_RATE11M; break;
1685 case MGN_6M: ret = DESC90_RATE6M; break;
1686 case MGN_9M: ret = DESC90_RATE9M; break;
1687 case MGN_12M: ret = DESC90_RATE12M; break;
1688 case MGN_18M: ret = DESC90_RATE18M; break;
1689 case MGN_24M: ret = DESC90_RATE24M; break;
1690 case MGN_36M: ret = DESC90_RATE36M; break;
1691 case MGN_48M: ret = DESC90_RATE48M; break;
1692 case MGN_54M: ret = DESC90_RATE54M; break;
1694 // HT rate since here
1695 case MGN_MCS0: ret = DESC90_RATEMCS0; break;
1696 case MGN_MCS1: ret = DESC90_RATEMCS1; break;
1697 case MGN_MCS2: ret = DESC90_RATEMCS2; break;
1698 case MGN_MCS3: ret = DESC90_RATEMCS3; break;
1699 case MGN_MCS4: ret = DESC90_RATEMCS4; break;
1700 case MGN_MCS5: ret = DESC90_RATEMCS5; break;
1701 case MGN_MCS6: ret = DESC90_RATEMCS6; break;
1702 case MGN_MCS7: ret = DESC90_RATEMCS7; break;
1703 case MGN_MCS8: ret = DESC90_RATEMCS8; break;
1704 case MGN_MCS9: ret = DESC90_RATEMCS9; break;
1705 case MGN_MCS10: ret = DESC90_RATEMCS10; break;
1706 case MGN_MCS11: ret = DESC90_RATEMCS11; break;
1707 case MGN_MCS12: ret = DESC90_RATEMCS12; break;
1708 case MGN_MCS13: ret = DESC90_RATEMCS13; break;
1709 case MGN_MCS14: ret = DESC90_RATEMCS14; break;
1710 case MGN_MCS15: ret = DESC90_RATEMCS15; break;
1711 case (0x80|0x20): ret = DESC90_RATEMCS32; break;
1719 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1723 tmp_Short = (TxHT == 1) ? ((tcb_desc->bUseShortGI) ? 1 : 0) : ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1725 if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1731 static void tx_zero_isr(struct urb *tx_urb)
1737 * The tx procedure is just as following,
1738 * skb->cb will contain all the following information,
1739 * priority, morefrag, rate, &dev.
1741 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1743 struct r8192_priv *priv = ieee80211_priv(dev);
1744 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1745 tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1746 tx_fwinfo_819x_usb *tx_fwinfo = (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1747 struct usb_device *udev = priv->udev;
1750 struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1751 unsigned int idx_pipe;
1752 pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1753 /* we are locked here so the two atomic_read and inc are executed
1754 * without interleaves
1755 * !!! For debug purpose
1757 if (pend > MAX_TX_URB) {
1758 netdev_dbg(dev, "To discard skb packet!\n");
1759 dev_kfree_skb_any(skb);
1763 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1765 dev_kfree_skb_any(skb);
1769 /* Fill Tx firmware info */
1770 memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1772 tx_fwinfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
1773 tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1774 tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1775 tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate, tcb_desc);
1776 if (tcb_desc->bAMPDUEnable) {//AMPDU enabled
1777 tx_fwinfo->AllowAggregation = 1;
1779 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1780 tx_fwinfo->RxAMD = tcb_desc->ampdu_density&0x07;//ampdudensity
1782 tx_fwinfo->AllowAggregation = 0;
1784 tx_fwinfo->RxMF = 0;
1785 tx_fwinfo->RxAMD = 0;
1788 /* Protection mode related */
1789 tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1790 tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1791 tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1792 tx_fwinfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
1793 tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1794 tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1795 tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1796 tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1797 (tcb_desc->bRTSUseShortGI ? 1 : 0);
1799 /* Set Bandwidth and sub-channel settings. */
1800 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1801 if (tcb_desc->bPacketBW) {
1802 tx_fwinfo->TxBandwidth = 1;
1803 tx_fwinfo->TxSubCarrier = 0; //By SD3's Jerry suggestion, use duplicated mode
1805 tx_fwinfo->TxBandwidth = 0;
1806 tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1809 tx_fwinfo->TxBandwidth = 0;
1810 tx_fwinfo->TxSubCarrier = 0;
1813 #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
1814 if (tcb_desc->drv_agg_enable)
1815 tx_fwinfo->Tx_INFO_RSVD = (tcb_desc->DrvAggrNum & 0x1f) << 1;
1817 /* Fill Tx descriptor */
1818 memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1821 tx_desc->CmdInit = 1;
1822 tx_desc->Offset = sizeof(tx_fwinfo_819x_usb) + 8;
1824 #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
1825 if (tcb_desc->drv_agg_enable)
1826 tx_desc->PktSize = tcb_desc->pkt_size;
1830 tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1834 tx_desc->SecCAMID = 0;
1835 tx_desc->RATid = tcb_desc->RATRIndex;
1837 tx_desc->SecType = 0x0;
1838 if (tcb_desc->bHwSec) {
1839 switch (priv->ieee80211->pairwise_key_type) {
1840 case KEY_TYPE_WEP40:
1841 case KEY_TYPE_WEP104:
1842 tx_desc->SecType = 0x1;
1846 tx_desc->SecType = 0x2;
1850 tx_desc->SecType = 0x3;
1854 tx_desc->SecType = 0x0;
1860 tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1861 tx_desc->TxFWInfoSize = sizeof(tx_fwinfo_819x_usb);
1863 tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1864 tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1866 /* Fill fields that are required to be initialized in all of the descriptors */
1868 tx_desc->FirstSeg = 1;
1869 tx_desc->LastSeg = 1;
1872 #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
1873 if (tcb_desc->drv_agg_enable) {
1874 tx_desc->TxBufferSize = tcb_desc->pkt_size + sizeof(tx_fwinfo_819x_usb);
1879 tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1881 /* Get index to out pipe from specified QueueID */
1882 #ifndef USE_ONE_PIPE
1883 idx_pipe = txqueue2outpipe(priv, tcb_desc->queue_index);
1888 /* To submit bulk urb */
1889 usb_fill_bulk_urb(tx_urb, udev,
1890 usb_sndbulkpipe(udev, idx_pipe), skb->data,
1891 skb->len, rtl8192_tx_isr, skb);
1893 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1895 //we need to send 0 byte packet whenever 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has been transmitted. Otherwise, it will be halt to wait for another packet. WB. 2008.08.27
1896 bool bSend0Byte = false;
1898 if (udev->speed == USB_SPEED_HIGH) {
1899 if (skb->len > 0 && skb->len % 512 == 0)
1902 if (skb->len > 0 && skb->len % 64 == 0)
1906 tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1908 RT_TRACE(COMP_ERR, "can't alloc urb for zero byte\n");
1911 usb_fill_bulk_urb(tx_urb_zero, udev,
1912 usb_sndbulkpipe(udev, idx_pipe), &zero,
1913 0, tx_zero_isr, dev);
1914 status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1916 RT_TRACE(COMP_ERR, "Error TX URB for zero byte %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]), status);
1920 dev->trans_start = jiffies;
1921 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1924 RT_TRACE(COMP_ERR, "Error TX URB %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1930 static short rtl8192_usb_initendpoints(struct net_device *dev)
1932 struct r8192_priv *priv = ieee80211_priv(dev);
1934 priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB+1),
1936 if (priv->rx_urb == NULL)
1939 #ifndef JACKSON_NEW_RX
1940 for (i = 0; i < (MAX_RX_URB+1); i++) {
1942 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1944 priv->rx_urb[i]->transfer_buffer = kmalloc(RX_URB_SIZE, GFP_KERNEL);
1946 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1950 #ifdef THOMAS_BEACON
1953 void *oldaddr, *newaddr;
1955 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1956 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1957 oldaddr = priv->oldaddr;
1958 align = ((long)oldaddr) & 3;
1960 newaddr = oldaddr + 4 - align;
1961 priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1964 priv->rx_urb[16]->transfer_buffer_length = 16;
1966 priv->rx_urb[16]->transfer_buffer = newaddr;
1970 memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1971 priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1973 if (!priv->pp_rxskb) {
1974 kfree(priv->rx_urb);
1976 priv->pp_rxskb = NULL;
1977 priv->rx_urb = NULL;
1979 DMESGE("Endpoint Alloc Failure");
1983 netdev_dbg(dev, "End of initendpoints\n");
1987 #ifdef THOMAS_BEACON
1988 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1991 struct r8192_priv *priv = ieee80211_priv(dev);
1994 for (i = 0; i < (MAX_RX_URB+1); i++) {
1995 usb_kill_urb(priv->rx_urb[i]);
1996 usb_free_urb(priv->rx_urb[i]);
1998 kfree(priv->rx_urb);
1999 priv->rx_urb = NULL;
2001 kfree(priv->oldaddr);
2002 priv->oldaddr = NULL;
2003 if (priv->pp_rxskb) {
2004 kfree(priv->pp_rxskb);
2005 priv->pp_rxskb = NULL;
2009 void rtl8192_usb_deleteendpoints(struct net_device *dev)
2012 struct r8192_priv *priv = ieee80211_priv(dev);
2014 #ifndef JACKSON_NEW_RX
2017 for (i = 0; i < (MAX_RX_URB+1); i++) {
2018 usb_kill_urb(priv->rx_urb[i]);
2019 kfree(priv->rx_urb[i]->transfer_buffer);
2020 usb_free_urb(priv->rx_urb[i]);
2022 kfree(priv->rx_urb);
2023 priv->rx_urb = NULL;
2027 kfree(priv->rx_urb);
2028 priv->rx_urb = NULL;
2029 kfree(priv->oldaddr);
2030 priv->oldaddr = NULL;
2031 if (priv->pp_rxskb) {
2032 kfree(priv->pp_rxskb);
2041 extern void rtl8192_update_ratr_table(struct net_device *dev);
2042 void rtl8192_link_change(struct net_device *dev)
2044 struct r8192_priv *priv = ieee80211_priv(dev);
2045 struct ieee80211_device *ieee = priv->ieee80211;
2046 if (ieee->state == IEEE80211_LINKED) {
2047 rtl8192_net_update(dev);
2048 rtl8192_update_ratr_table(dev);
2049 //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
2050 if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
2051 EnableHWSecurityConfig8192(dev);
2053 /*update timing params*/
2054 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
2056 read_nic_dword(dev, RCR, ®);
2057 if (priv->ieee80211->state == IEEE80211_LINKED)
2058 priv->ReceiveConfig = reg |= RCR_CBSSID;
2060 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
2061 write_nic_dword(dev, RCR, reg);
2065 static struct ieee80211_qos_parameters def_qos_parameters = {
2066 {3, 3, 3, 3},/* cw_min */
2067 {7, 7, 7, 7},/* cw_max */
2068 {2, 2, 2, 2},/* aifs */
2069 {0, 0, 0, 0},/* flags */
2070 {0, 0, 0, 0} /* tx_op_limit */
2074 void rtl8192_update_beacon(struct work_struct *work)
2076 struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
2077 struct net_device *dev = priv->ieee80211->dev;
2078 struct ieee80211_device *ieee = priv->ieee80211;
2079 struct ieee80211_network *net = &ieee->current_network;
2081 if (ieee->pHTInfo->bCurrentHTSupport)
2082 HTUpdateSelfAndPeerSetting(ieee, net);
2083 ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
2084 rtl8192_update_cap(dev, net->capability);
2087 * background support to run QoS activate functionality
2089 int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK, EDCAPARA_VI, EDCAPARA_VO};
2090 void rtl8192_qos_activate(struct work_struct *work)
2092 struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
2093 struct net_device *dev = priv->ieee80211->dev;
2094 struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
2095 u8 mode = priv->ieee80211->current_network.mode;
2103 mutex_lock(&priv->mutex);
2104 if (priv->ieee80211->state != IEEE80211_LINKED)
2106 RT_TRACE(COMP_QOS, "qos active process with associate response received\n");
2107 /* It better set slot time at first */
2108 /* For we just support b/g mode at present, let the slot time at 9/20 selection */
2109 /* update the ac parameter to related registers */
2110 for (i = 0; i < QOS_QUEUE_NUM; i++) {
2111 //Mode G/A: slotTimeTimer = 9; Mode B: 20
2112 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ? 9 : 20) + aSifsTime;
2113 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
2114 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
2115 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
2116 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
2118 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
2122 mutex_unlock(&priv->mutex);
2125 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
2127 struct ieee80211_network *network)
2130 u32 size = sizeof(struct ieee80211_qos_parameters);
2132 if (priv->ieee80211->state != IEEE80211_LINKED)
2135 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
2138 if (network->flags & NETWORK_HAS_QOS_MASK) {
2139 if (active_network &&
2140 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
2141 network->qos_data.active = network->qos_data.supported;
2143 if ((network->qos_data.active == 1) && (active_network == 1) &&
2144 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
2145 (network->qos_data.old_param_count !=
2146 network->qos_data.param_count)) {
2147 network->qos_data.old_param_count =
2148 network->qos_data.param_count;
2149 queue_work(priv->priv_wq, &priv->qos_activate);
2150 RT_TRACE(COMP_QOS, "QoS parameters change call "
2154 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2155 &def_qos_parameters, size);
2157 if ((network->qos_data.active == 1) && (active_network == 1)) {
2158 queue_work(priv->priv_wq, &priv->qos_activate);
2159 RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate \n");
2161 network->qos_data.active = 0;
2162 network->qos_data.supported = 0;
2168 /* handle and manage frame from beacon and probe response */
2169 static int rtl8192_handle_beacon(struct net_device *dev,
2170 struct ieee80211_beacon *beacon,
2171 struct ieee80211_network *network)
2173 struct r8192_priv *priv = ieee80211_priv(dev);
2175 rtl8192_qos_handle_probe_response(priv, 1, network);
2176 queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
2182 * handling the beaconing responses. if we get different QoS setting
2183 * off the network from the associated setting, adjust the QoS
2186 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
2187 struct ieee80211_network *network)
2190 unsigned long flags;
2191 u32 size = sizeof(struct ieee80211_qos_parameters);
2192 int set_qos_param = 0;
2194 if ((priv == NULL) || (network == NULL))
2197 if (priv->ieee80211->state != IEEE80211_LINKED)
2200 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
2203 spin_lock_irqsave(&priv->ieee80211->lock, flags);
2204 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
2205 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2206 &network->qos_data.parameters,
2207 sizeof(struct ieee80211_qos_parameters));
2208 priv->ieee80211->current_network.qos_data.active = 1;
2210 /* update qos parameter for current network */
2211 priv->ieee80211->current_network.qos_data.old_param_count =
2212 priv->ieee80211->current_network.qos_data.param_count;
2213 priv->ieee80211->current_network.qos_data.param_count =
2214 network->qos_data.param_count;
2216 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2217 &def_qos_parameters, size);
2218 priv->ieee80211->current_network.qos_data.active = 0;
2219 priv->ieee80211->current_network.qos_data.supported = 0;
2223 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
2225 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__, network->flags, priv->ieee80211->current_network.qos_data.active);
2226 if (set_qos_param == 1)
2227 queue_work(priv->priv_wq, &priv->qos_activate);
2234 static int rtl8192_handle_assoc_response(struct net_device *dev,
2235 struct ieee80211_assoc_response_frame *resp,
2236 struct ieee80211_network *network)
2238 struct r8192_priv *priv = ieee80211_priv(dev);
2239 rtl8192_qos_association_resp(priv, network);
2244 void rtl8192_update_ratr_table(struct net_device *dev)
2246 struct r8192_priv *priv = ieee80211_priv(dev);
2247 struct ieee80211_device *ieee = priv->ieee80211;
2248 u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2251 rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2252 ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2253 switch (ieee->mode) {
2255 ratr_value &= 0x00000FF0;
2258 ratr_value &= 0x0000000F;
2261 ratr_value &= 0x00000FF7;
2265 if (ieee->pHTInfo->PeerMimoPs == 0) {//MIMO_PS_STATIC
2266 ratr_value &= 0x0007F007;
2268 if (priv->rf_type == RF_1T2R)
2269 ratr_value &= 0x000FF007;
2271 ratr_value &= 0x0F81F007;
2277 ratr_value &= 0x0FFFFFFF;
2278 if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2279 ratr_value |= 0x80000000;
2280 else if (!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz)
2281 ratr_value |= 0x80000000;
2282 write_nic_dword(dev, RATR0+rate_index*4, ratr_value);
2283 write_nic_byte(dev, UFWP, 1);
2286 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2287 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2288 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2290 struct r8192_priv *priv = ieee80211_priv(dev);
2291 struct ieee80211_device *ieee = priv->ieee80211;
2292 struct ieee80211_network *network = &ieee->current_network;
2293 int wpa_ie_len = ieee->wpa_ie_len;
2294 struct ieee80211_crypt_data *crypt;
2297 crypt = ieee->crypt[ieee->tx_keyidx];
2298 //we use connecting AP's capability instead of only security config on our driver to distinguish whether it should use N mode or G mode
2299 encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) || (ieee->host_encrypt && crypt && crypt->ops && (0 == strcmp(crypt->ops->name, "WEP")));
2302 if (encrypt && (wpa_ie_len == 0)) {
2303 /* wep encryption, no N mode setting */
2305 } else if ((wpa_ie_len != 0)) {
2306 /* parse pairwise key type */
2307 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4))) || ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4))))
2318 bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2321 struct r8192_priv *priv = ieee80211_priv(dev);
2322 struct ieee80211_device *ieee = priv->ieee80211;
2324 if (ieee->bHalfWirelessN24GMode == true)
2332 void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2334 struct ieee80211_device *ieee = priv->ieee80211;
2335 //we do not consider set support rate for ABG mode, only HT MCS rate is set here.
2336 if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
2337 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
2339 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2343 u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2345 struct r8192_priv *priv = ieee80211_priv(dev);
2347 switch (priv->rf_chip) {
2351 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
2354 ret = (WIRELESS_MODE_A|WIRELESS_MODE_N_5G);
2357 ret = WIRELESS_MODE_B;
2362 void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2364 struct r8192_priv *priv = ieee80211_priv(dev);
2365 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2367 if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode) == 0)) {
2368 if (bSupportMode & WIRELESS_MODE_N_24G) {
2369 wireless_mode = WIRELESS_MODE_N_24G;
2370 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2371 wireless_mode = WIRELESS_MODE_N_5G;
2372 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2373 wireless_mode = WIRELESS_MODE_A;
2374 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2375 wireless_mode = WIRELESS_MODE_G;
2376 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2377 wireless_mode = WIRELESS_MODE_B;
2379 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __func__, bSupportMode);
2380 wireless_mode = WIRELESS_MODE_B;
2383 #ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we should wait for FPGA
2384 ActUpdateChannelAccessSetting(pAdapter, pHalData->CurrentWirelessMode, &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2386 priv->ieee80211->mode = wireless_mode;
2388 if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G))
2389 priv->ieee80211->pHTInfo->bEnableHT = 1;
2391 priv->ieee80211->pHTInfo->bEnableHT = 0;
2392 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2393 rtl8192_refresh_supportrate(priv);
2396 //init priv variables here. only non_zero value should be initialized here.
2397 static void rtl8192_init_priv_variable(struct net_device *dev)
2399 struct r8192_priv *priv = ieee80211_priv(dev);
2401 priv->card_8192 = NIC_8192U;
2402 priv->chan = 1; //set to channel 1
2403 priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
2404 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2405 priv->ieee80211->ieee_up = 0;
2406 priv->retry_rts = DEFAULT_RETRY_RTS;
2407 priv->retry_data = DEFAULT_RETRY_DATA;
2408 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2409 priv->ieee80211->rate = 110; //11 mbps
2410 priv->ieee80211->short_slot = 1;
2411 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2414 priv->IrpPendingCount = 1;
2415 priv->ResetProgress = RESET_TYPE_NORESET;
2416 priv->bForcedSilentReset = 0;
2417 priv->bDisableNormalResetCheck = false;
2418 priv->force_reset = false;
2420 priv->ieee80211->FwRWRF = 0; //we don't use FW read/write RF until stable firmware is available.
2421 priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
2422 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2423 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
2424 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2425 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2426 IEEE_SOFTMAC_BEACONS;//added by amy 080604
2428 priv->ieee80211->active_scan = 1;
2429 priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2430 priv->ieee80211->host_encrypt = 1;
2431 priv->ieee80211->host_decrypt = 1;
2432 priv->ieee80211->start_send_beacons = NULL; //-by amy 080604
2433 priv->ieee80211->stop_send_beacons = NULL; //-by amy 080604
2434 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2435 priv->ieee80211->set_chan = rtl8192_set_chan;
2436 priv->ieee80211->link_change = rtl8192_link_change;
2437 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2438 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2439 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2440 priv->ieee80211->init_wmmparam_flag = 0;
2441 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2442 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2443 priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2444 priv->ieee80211->qos_support = 1;
2447 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2448 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2449 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2451 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2452 priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xUsb;
2453 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2455 priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2456 priv->card_type = USB;
2458 if (Adapter->bInHctTest) {
2459 pHalData->ShortRetryLimit = 7;
2460 pHalData->LongRetryLimit = 7;
2463 priv->ShortRetryLimit = 0x30;
2464 priv->LongRetryLimit = 0x30;
2465 priv->EarlyRxThreshold = 7;
2466 priv->enable_gpio0 = 0;
2467 priv->TransmitConfig =
2468 (TCR_MXDMA_2048<<TCR_MXDMA_OFFSET)| // Max DMA Burst Size per Tx DMA Burst, 7: reserved.
2469 (priv->ShortRetryLimit<<TCR_SRL_OFFSET)| // Short retry limit
2470 (priv->LongRetryLimit<<TCR_LRL_OFFSET) | // Long retry limit
2471 (false ? TCR_SAT : 0); // FALSE: HW provides PLCP length and LENGEXT, TRUE: SW provides them
2473 if (Adapter->bInHctTest)
2474 pHalData->ReceiveConfig = pHalData->CSMethod |
2475 RCR_AMF | RCR_ADF | //accept management/data
2477 RCR_ACF | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
2478 RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
2479 RCR_AICV | RCR_ACRC32 | //accept ICV/CRC error packet
2480 ((u32)7<<RCR_MXDMA_OFFSET) | // Max DMA Burst Size per Rx DMA Burst, 7: unlimited.
2481 (pHalData->EarlyRxThreshold<<RCR_FIFO_OFFSET) | // Rx FIFO Threshold, 7: No Rx threshold.
2482 (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2486 priv->ReceiveConfig =
2487 RCR_AMF | RCR_ADF | //accept management/data
2488 RCR_ACF | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
2489 RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
2490 ((u32)7<<RCR_MXDMA_OFFSET)| // Max DMA Burst Size per Rx DMA Burst, 7: unlimited.
2491 (priv->EarlyRxThreshold<<RX_FIFO_THRESHOLD_SHIFT) | // Rx FIFO Threshold, 7: No Rx threshold.
2492 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2494 priv->AcmControl = 0;
2495 priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2497 /* rx related queue */
2498 skb_queue_head_init(&priv->rx_queue);
2499 skb_queue_head_init(&priv->skb_queue);
2501 /* Tx related queue */
2502 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2503 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2504 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2505 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2506 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2507 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2508 priv->rf_set_chan = rtl8192_phy_SwChnl;
2512 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2514 spin_lock_init(&priv->tx_lock);
2515 spin_lock_init(&priv->irq_lock);//added by thomas
2516 sema_init(&priv->wx_sem, 1);
2517 sema_init(&priv->rf_sem, 1);
2518 mutex_init(&priv->mutex);
2521 extern void rtl819x_watchdog_wqcallback(struct work_struct *work);
2523 void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2524 //init tasklet and wait_queue here. only 2.6 above kernel is considered
2525 #define DRV_NAME "wlan0"
2526 static void rtl8192_init_priv_task(struct net_device *dev)
2528 struct r8192_priv *priv = ieee80211_priv(dev);
2530 priv->priv_wq = create_workqueue(DRV_NAME);
2532 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2534 INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
2535 INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback);
2536 INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback);
2537 INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
2538 INIT_DELAYED_WORK(&priv->initialgain_operate_wq, InitialGainOperateWorkItemCallBack);
2539 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2541 tasklet_init(&priv->irq_rx_tasklet,
2542 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2543 (unsigned long)priv);
2546 static void rtl8192_get_eeprom_size(struct net_device *dev)
2549 struct r8192_priv *priv = ieee80211_priv(dev);
2550 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2551 read_nic_word_E(dev, EPROM_CMD, &curCR);
2552 RT_TRACE(COMP_EPROM, "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2553 //whether need I consider BIT5?
2554 priv->epromtype = (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2555 RT_TRACE(COMP_EPROM, "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2558 //used to swap endian. as ntohl & htonl are not necessary to swap endian, so use this instead.
2559 static inline u16 endian_swap(u16 *data)
2562 *data = (tmp >> 8) | (tmp << 8);
2565 static void rtl8192_read_eeprom_info(struct net_device *dev)
2568 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2569 u8 bLoad_From_EEPOM = false;
2570 struct r8192_priv *priv = ieee80211_priv(dev);
2573 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2574 wEPROM_ID = eprom_read(dev, 0); //first read EEPROM ID out;
2575 RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2577 if (wEPROM_ID != RTL8190_EEPROM_ID) {
2578 RT_TRACE(COMP_ERR, "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n", wEPROM_ID, RTL8190_EEPROM_ID);
2580 bLoad_From_EEPOM = true;
2583 if (bLoad_From_EEPOM) {
2584 tmpValue = eprom_read(dev, (EEPROM_VID>>1));
2585 priv->eeprom_vid = endian_swap(&tmpValue);
2586 priv->eeprom_pid = eprom_read(dev, (EEPROM_PID>>1));
2587 tmpValue = eprom_read(dev, (EEPROM_ChannelPlan>>1));
2588 priv->eeprom_ChannelPlan = ((tmpValue&0xff00)>>8);
2589 priv->btxpowerdata_readfromEEPORM = true;
2590 priv->eeprom_CustomerID = eprom_read(dev, (EEPROM_Customer_ID>>1)) >>8;
2592 priv->eeprom_vid = 0;
2593 priv->eeprom_pid = 0;
2594 priv->card_8192_version = VERSION_819xU_B;
2595 priv->eeprom_ChannelPlan = 0;
2596 priv->eeprom_CustomerID = 0;
2598 RT_TRACE(COMP_EPROM, "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n", priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID, priv->eeprom_ChannelPlan);
2599 //set channelplan from eeprom
2600 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2601 if (bLoad_From_EEPOM) {
2603 for (i = 0; i < 6; i += 2) {
2605 tmp = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i)>>1));
2606 *(u16 *)(&dev->dev_addr[i]) = tmp;
2609 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2610 //should I set IDR0 here?
2612 RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2613 priv->rf_type = RTL819X_DEFAULT_RF_TYPE; //default 1T2R
2614 priv->rf_chip = RF_8256;
2616 if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2617 //read Tx power gain offset of legacy OFDM to HT rate
2618 if (bLoad_From_EEPOM)
2619 priv->EEPROMTxPowerDiff = (eprom_read(dev, (EEPROM_TxPowerDiff>>1))&0xff00) >> 8;
2621 priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2622 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2623 //read ThermalMeter from EEPROM
2624 if (bLoad_From_EEPOM)
2625 priv->EEPROMThermalMeter = (u8)(eprom_read(dev, (EEPROM_ThermalMeter>>1))&0x00ff);
2627 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2628 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2629 //vivi, for tx power track
2630 priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
2631 //read antenna tx power offset of B/C/D to A from EEPROM
2632 if (bLoad_From_EEPOM)
2633 priv->EEPROMPwDiff = (eprom_read(dev, (EEPROM_PwDiff>>1))&0x0f00)>>8;
2635 priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2636 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2637 // Read CrystalCap from EEPROM
2638 if (bLoad_From_EEPOM)
2639 priv->EEPROMCrystalCap = (eprom_read(dev, (EEPROM_CrystalCap>>1))&0x0f);
2641 priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2642 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2643 //get per-channel Tx power level
2644 if (bLoad_From_EEPOM)
2645 priv->EEPROM_Def_Ver = (eprom_read(dev, (EEPROM_TxPwIndex_Ver>>1))&0xff00)>>8;
2647 priv->EEPROM_Def_Ver = 1;
2648 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2649 if (priv->EEPROM_Def_Ver == 0) { //old eeprom definition
2651 if (bLoad_From_EEPOM)
2652 priv->EEPROMTxPowerLevelCCK = (eprom_read(dev, (EEPROM_TxPwIndex_CCK>>1))&0xff) >> 8;
2654 priv->EEPROMTxPowerLevelCCK = 0x10;
2655 RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2656 for (i = 0; i < 3; i++) {
2657 if (bLoad_From_EEPOM) {
2658 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G+i)>>1);
2659 if (((EEPROM_TxPwIndex_OFDM_24G+i) % 2) == 0)
2660 tmpValue = tmpValue & 0x00ff;
2662 tmpValue = (tmpValue & 0xff00) >> 8;
2666 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8) tmpValue;
2667 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2669 } else if (priv->EEPROM_Def_Ver == 1) {
2670 if (bLoad_From_EEPOM) {
2671 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1>>1));
2672 tmpValue = (tmpValue & 0xff00) >> 8;
2676 priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2678 if (bLoad_From_EEPOM)
2679 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2)>>1);
2682 *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2683 if (bLoad_From_EEPOM)
2684 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1>>1));
2687 *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2688 if (bLoad_From_EEPOM)
2689 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1+2)>>1);
2692 priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2693 }//endif EEPROM_Def_Ver == 1
2695 //update HAL variables
2697 for (i = 0; i < 14; i++) {
2699 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2700 else if (i >= 4 && i <= 9)
2701 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2703 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2706 for (i = 0; i < 14; i++) {
2707 if (priv->EEPROM_Def_Ver == 0) {
2709 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2710 else if (i >= 4 && i <= 9)
2711 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2713 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2714 } else if (priv->EEPROM_Def_Ver == 1) {
2716 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2717 else if (i >= 4 && i <= 9)
2718 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2720 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2723 priv->TxPowerDiff = priv->EEPROMPwDiff;
2724 // Antenna B gain offset to antenna A, bit0~3
2725 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2726 // Antenna C gain offset to antenna A, bit4~7
2727 priv->AntennaTxPwDiff[1] = ((priv->EEPROMTxPowerDiff & 0xf0)>>4);
2728 // CrystalCap, bit12~15
2729 priv->CrystalCap = priv->EEPROMCrystalCap;
2730 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2731 // 92U does not enable TX power tracking.
2732 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2733 }//end if VersionID == VERSION_819xU_A
2735 //added by vivi, for dlink led, 20080416
2736 switch (priv->eeprom_CustomerID) {
2737 case EEPROM_CID_RUNTOP:
2738 priv->CustomerID = RT_CID_819x_RUNTOP;
2741 case EEPROM_CID_DLINK:
2742 priv->CustomerID = RT_CID_DLINK;
2746 priv->CustomerID = RT_CID_DEFAULT;
2751 switch (priv->CustomerID) {
2752 case RT_CID_819x_RUNTOP:
2753 priv->LedStrategy = SW_LED_MODE2;
2757 priv->LedStrategy = SW_LED_MODE4;
2761 priv->LedStrategy = SW_LED_MODE0;
2767 if (priv->rf_type == RF_1T2R) {
2768 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2770 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2773 // 2008/01/16 MH We can only know RF type in the function. So we have to init
2774 // DIG RATR table again.
2775 init_rate_adaptive(dev);
2776 //we need init DIG RATR table here again.
2778 RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2782 short rtl8192_get_channel_map(struct net_device *dev)
2784 struct r8192_priv *priv = ieee80211_priv(dev);
2785 if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2786 netdev_err(dev, "rtl8180_init: Error channel plan! Set to default.\n");
2787 priv->ChannelPlan = 0;
2789 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2791 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2795 short rtl8192_init(struct net_device *dev)
2798 struct r8192_priv *priv = ieee80211_priv(dev);
2800 memset(&(priv->stats), 0, sizeof(struct Stats));
2801 memset(priv->txqueue_to_outpipemap, 0, 9);
2805 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2806 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2810 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2811 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2814 rtl8192_init_priv_variable(dev);
2815 rtl8192_init_priv_lock(priv);
2816 rtl8192_init_priv_task(dev);
2817 rtl8192_get_eeprom_size(dev);
2818 rtl8192_read_eeprom_info(dev);
2819 rtl8192_get_channel_map(dev);
2821 init_timer(&priv->watch_dog_timer);
2822 priv->watch_dog_timer.data = (unsigned long)dev;
2823 priv->watch_dog_timer.function = watch_dog_timer_callback;
2824 if (rtl8192_usb_initendpoints(dev) != 0) {
2825 DMESG("Endopoints initialization failed");
2835 /******************************************************************************
2836 *function: This function actually only set RRSR, RATR and BW_OPMODE registers
2837 * not to do all the hw config as its name says
2838 * input: net_device dev
2841 * notice: This part need to modified according to the rate set we filtered
2842 * ****************************************************************************/
2843 void rtl8192_hwconfig(struct net_device *dev)
2845 u32 regRATR = 0, regRRSR = 0;
2846 u8 regBwOpMode = 0, regTmp = 0;
2847 struct r8192_priv *priv = ieee80211_priv(dev);
2850 // Set RRSR, RATR, and BW_OPMODE registers
2852 switch (priv->ieee80211->mode) {
2853 case WIRELESS_MODE_B:
2854 regBwOpMode = BW_OPMODE_20MHZ;
2855 regRATR = RATE_ALL_CCK;
2856 regRRSR = RATE_ALL_CCK;
2858 case WIRELESS_MODE_A:
2859 regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
2860 regRATR = RATE_ALL_OFDM_AG;
2861 regRRSR = RATE_ALL_OFDM_AG;
2863 case WIRELESS_MODE_G:
2864 regBwOpMode = BW_OPMODE_20MHZ;
2865 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2866 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2868 case WIRELESS_MODE_AUTO:
2870 if (Adapter->bInHctTest) {
2871 regBwOpMode = BW_OPMODE_20MHZ;
2872 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2873 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2878 regBwOpMode = BW_OPMODE_20MHZ;
2879 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2880 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2883 case WIRELESS_MODE_N_24G:
2884 // It support CCK rate by default.
2885 // CCK rate will be filtered out only when associated AP does not support it.
2886 regBwOpMode = BW_OPMODE_20MHZ;
2887 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2888 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2890 case WIRELESS_MODE_N_5G:
2891 regBwOpMode = BW_OPMODE_5G;
2892 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2893 regRRSR = RATE_ALL_OFDM_AG;
2897 write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2898 ratr_value = regRATR;
2899 if (priv->rf_type == RF_1T2R)
2900 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2901 write_nic_dword(dev, RATR0, ratr_value);
2902 write_nic_byte(dev, UFWP, 1);
2903 read_nic_byte(dev, 0x313, ®Tmp);
2904 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2905 write_nic_dword(dev, RRSR, regRRSR);
2908 // Set Retry Limit here
2910 write_nic_word(dev, RETRY_LIMIT,
2911 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2912 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2913 // Set Contention Window here
2917 // Set Tx Antenna including Feedback control
2919 // Set Auto Rate fallback control
2925 //InitializeAdapter and PhyCfg
2926 bool rtl8192_adapter_start(struct net_device *dev)
2928 struct r8192_priv *priv = ieee80211_priv(dev);
2930 bool init_status = true;
2931 u8 SECR_value = 0x0;
2933 RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2934 priv->Rf_Mode = RF_OP_By_SW_3wire;
2935 //for ASIC power on sequence
2936 write_nic_byte_E(dev, 0x5f, 0x80);
2938 write_nic_byte_E(dev, 0x5f, 0xf0);
2939 write_nic_byte_E(dev, 0x5d, 0x00);
2940 write_nic_byte_E(dev, 0x5e, 0x80);
2941 write_nic_byte(dev, 0x17, 0x37);
2943 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2944 //config CPUReset Register
2945 //Firmware Reset or not?
2946 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2947 if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2948 dwRegRead |= CPU_GEN_SYSTEM_RESET; //do nothing here?
2949 else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2950 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2952 RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __func__, priv->pFirmware->firmware_status);
2954 write_nic_dword(dev, CPU_GEN, dwRegRead);
2956 rtl8192_BBConfig(dev);
2958 //Loopback mode or not
2959 priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2961 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2962 if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2963 dwRegRead = ((dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
2964 else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2965 dwRegRead |= CPU_CCK_LOOPBACK;
2967 RT_TRACE(COMP_ERR, "Serious error in %s(): wrong loopback mode setting(%d)\n", __func__, priv->LoopbackMode);
2969 write_nic_dword(dev, CPU_GEN, dwRegRead);
2971 //after reset cpu, we need wait for a seconds to write in register.
2974 //xiong add for new bitfile:usb suspend reset pin set to 1. //do we need?
2975 read_nic_byte_E(dev, 0x5f, &tmp);
2976 write_nic_byte_E(dev, 0x5f, tmp|0x20);
2979 rtl8192_hwconfig(dev);
2982 write_nic_byte(dev, CMDR, CR_RE|CR_TE);
2985 write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2986 write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2989 write_nic_dword(dev, RCR, priv->ReceiveConfig);
2991 //Initialize Number of Reserved Pages in Firmware Queue
2992 write_nic_dword(dev, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2993 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2994 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2995 NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2996 write_nic_dword(dev, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2997 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2998 write_nic_dword(dev, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
2999 NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
3000 write_nic_dword(dev, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
3003 // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
3004 write_nic_byte(dev, ACK_TIMEOUT, 0x30);
3006 if (priv->ResetProgress == RESET_TYPE_NORESET)
3007 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
3008 if (priv->ResetProgress == RESET_TYPE_NORESET) {
3009 CamResetAllEntry(dev);
3010 SECR_value |= SCR_TxEncEnable;
3011 SECR_value |= SCR_RxDecEnable;
3012 SECR_value |= SCR_NoSKMC;
3013 write_nic_byte(dev, SECR, SECR_value);
3017 write_nic_word(dev, ATIMWND, 2);
3018 write_nic_word(dev, BCN_INTERVAL, 100);
3020 #define DEFAULT_EDCA 0x005e4332
3023 for (i = 0; i < QOS_QUEUE_NUM; i++)
3024 write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
3026 #ifdef USB_RX_AGGREGATION_SUPPORT
3027 //3 For usb rx firmware aggregation control
3028 if (priv->ResetProgress == RESET_TYPE_NORESET) {
3030 PRT_HIGH_THROUGHPUT pHTInfo = priv->ieee80211->pHTInfo;
3031 ulValue = (pHTInfo->UsbRxFwAggrEn<<24) | (pHTInfo->UsbRxFwAggrPageNum<<16) |
3032 (pHTInfo->UsbRxFwAggrPacketNum<<8) | (pHTInfo->UsbRxFwAggrTimeout);
3034 * If usb rx firmware aggregation is enabled,
3035 * when anyone of three threshold conditions above is reached,
3036 * firmware will send aggregated packet to driver.
3038 write_nic_dword(dev, 0x1a8, ulValue);
3039 priv->bCurrentRxAggrEnable = true;
3043 rtl8192_phy_configmac(dev);
3045 if (priv->card_8192_version == (u8) VERSION_819xU_A) {
3046 rtl8192_phy_getTxPower(dev);
3047 rtl8192_phy_setTxPower(dev, priv->chan);
3051 init_status = init_firmware(dev);
3053 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n", __func__);
3056 RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
3059 if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
3060 if (pMgntInfo->RegRfOff == TRUE) { // User disable RF via registry.
3061 RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
3062 MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
3063 // Those actions will be discard in MgntActSet_RF_State because of the same state
3064 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
3065 PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x0);
3066 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) { // H/W or S/W RF OFF before sleep.
3067 RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n", pMgntInfo->RfOffReason));
3068 MgntActSet_RF_State(Adapter, eRfOff, pMgntInfo->RfOffReason);
3070 pHalData->eRFPowerState = eRfOn;
3071 pMgntInfo->RfOffReason = 0;
3072 RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): RF is on ----------\n"));
3075 if (pHalData->eRFPowerState == eRfOff) {
3076 MgntActSet_RF_State(Adapter, eRfOff, pMgntInfo->RfOffReason);
3077 // Those actions will be discard in MgntActSet_RF_State because of the same state
3078 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
3079 PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x0);
3084 if (priv->ResetProgress == RESET_TYPE_NORESET) {
3085 rtl8192_phy_RFConfig(dev);
3086 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
3090 if (priv->ieee80211->FwRWRF)
3091 // We can force firmware to do RF-R/W
3092 priv->Rf_Mode = RF_OP_By_FW;
3094 priv->Rf_Mode = RF_OP_By_SW_3wire;
3097 rtl8192_phy_updateInitGain(dev);
3098 /*--set CCK and OFDM Block "ON"--*/
3099 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
3100 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
3102 if (priv->ResetProgress == RESET_TYPE_NORESET) {
3105 read_nic_byte(dev, 0x301, &tmpvalue);
3106 if (tmpvalue == 0x03) {
3108 RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
3110 priv->bDcut = FALSE;
3111 RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
3113 dm_initialize_txpower_tracking(dev);
3115 if (priv->bDcut == TRUE) {
3117 u32 tmpRegA = rtl8192_QueryBBReg(dev, rOFDM0_XATxIQImbalance, bMaskDWord);
3118 for (i = 0; i < TxBBGainTableLength; i++) {
3119 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3120 priv->rfa_txpowertrackingindex = (u8)i;
3121 priv->rfa_txpowertrackingindex_real = (u8)i;
3122 priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
3127 TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);
3129 for (i = 0; i < CCKTxBBGainTableLength; i++) {
3131 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3132 priv->cck_present_attentuation_20Mdefault = (u8) i;
3136 priv->cck_present_attentuation_40Mdefault = 0;
3137 priv->cck_present_attentuation_difference = 0;
3138 priv->cck_present_attentuation = priv->cck_present_attentuation_20Mdefault;
3142 write_nic_byte(dev, 0x87, 0x0);
3148 /* this configures registers for beacon tx and enables it via
3149 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3150 * be used to stop beacon transmission
3152 /***************************************************************************
3153 -------------------------------NET STUFF---------------------------
3154 ***************************************************************************/
3156 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3158 struct r8192_priv *priv = ieee80211_priv(dev);
3160 return &priv->ieee80211->stats;
3163 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3165 struct r8192_priv *priv = ieee80211_priv(dev);
3167 bool bStuck = FALSE;
3168 read_nic_word(dev, 0x128, &RegTxCounter);
3169 RT_TRACE(COMP_RESET, "%s():RegTxCounter is %d,TxCounter is %d\n", __func__, RegTxCounter, priv->TxCounter);
3170 if (priv->TxCounter == RegTxCounter)
3173 priv->TxCounter = RegTxCounter;
3179 * <Assumption: RT_TX_SPINLOCK is acquired.>
3180 * First added: 2006.11.19 by emily
3182 RESET_TYPE TxCheckStuck(struct net_device *dev)
3184 struct r8192_priv *priv = ieee80211_priv(dev);
3186 bool bCheckFwTxCnt = false;
3189 // Decide such threshold according to current power save mode
3192 for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3193 if (QueueID == TXCMD_QUEUE)
3195 #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
3196 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_drv_aggQ[QueueID]) == 0))
3198 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3202 bCheckFwTxCnt = true;
3204 if (bCheckFwTxCnt) {
3205 if (HalTxCheckStuck819xUsb(dev)) {
3206 RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n");
3207 return RESET_TYPE_SILENT;
3210 return RESET_TYPE_NORESET;
3213 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3216 struct r8192_priv *priv = ieee80211_priv(dev);
3217 bool bStuck = FALSE;
3218 static u8 rx_chk_cnt;
3219 read_nic_word(dev, 0x130, &RegRxCounter);
3220 RT_TRACE(COMP_RESET, "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__, RegRxCounter, priv->RxCounter);
3221 // If rssi is small, we should check rx for long time because of bad rx.
3222 // or maybe it will continuous silent reset every 2 seconds.
3224 if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5)) {
3225 rx_chk_cnt = 0; //high rssi, check rx stuck right now.
3226 } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
3227 ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3228 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3233 } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3234 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3235 priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3247 if (priv->RxCounter == RegRxCounter)
3250 priv->RxCounter = RegRxCounter;
3255 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3257 struct r8192_priv *priv = ieee80211_priv(dev);
3258 bool bRxCheck = FALSE;
3260 if (priv->IrpPendingCount > 1)
3264 if (HalRxCheckStuck819xUsb(dev)) {
3265 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3266 return RESET_TYPE_SILENT;
3269 return RESET_TYPE_NORESET;
3274 * This function is called by Checkforhang to check whether we should ask OS to reset driver
3276 * \param pAdapter The adapter context for this miniport
3278 * Note:NIC with USB interface sholud not call this function because we cannot scan descriptor
3279 * to judge whether there is tx stuck.
3280 * Note: This function may be required to be rewrite for Vista OS.
3281 * <<<Assumption: Tx spinlock has been acquired >>>
3283 * 8185 and 8185b does not implement this function. This is added by Emily at 2006.11.24
3285 RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3287 struct r8192_priv *priv = ieee80211_priv(dev);
3288 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
3289 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
3290 RT_RF_POWER_STATE rfState;
3292 rfState = priv->ieee80211->eRFPowerState;
3294 TxResetType = TxCheckStuck(dev);
3295 if (rfState != eRfOff ||
3296 (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3297 // If driver is in the status of firmware download failure , driver skips RF initialization and RF is
3298 // in turned off state. Driver should check whether Rx stuck and do silent reset. And
3299 // if driver is in firmware download failure status, driver should initialize RF in the following
3300 // silent reset procedure Emily, 2008.01.21
3302 // Driver should not check RX stuck in IBSS mode because it is required to
3303 // set Check BSSID in order to send beacon, however, if check BSSID is
3304 // set, STA cannot hear any packet at all. Emily, 2008.04.12
3305 RxResetType = RxCheckStuck(dev);
3307 if (TxResetType == RESET_TYPE_NORMAL || RxResetType == RESET_TYPE_NORMAL) {
3308 return RESET_TYPE_NORMAL;
3309 } else if (TxResetType == RESET_TYPE_SILENT || RxResetType == RESET_TYPE_SILENT) {
3310 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3311 return RESET_TYPE_SILENT;
3313 return RESET_TYPE_NORESET;
3318 void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3319 int _rtl8192_up(struct net_device *dev);
3320 int rtl8192_close(struct net_device *dev);
3324 void CamRestoreAllEntry(struct net_device *dev)
3327 struct r8192_priv *priv = ieee80211_priv(dev);
3328 u8 *MacAddr = priv->ieee80211->current_network.bssid;
3330 static u8 CAM_CONST_ADDR[4][6] = {
3331 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3332 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3333 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3334 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3335 static u8 CAM_CONST_BROAD[] = {
3336 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3338 RT_TRACE(COMP_SEC, "CamRestoreAllEntry: \n");
3341 if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3342 (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3344 for (EntryId = 0; EntryId < 4; EntryId++) {
3345 MacAddr = CAM_CONST_ADDR[EntryId];
3346 setKey(dev, EntryId, EntryId,
3347 priv->ieee80211->pairwise_key_type,
3351 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3353 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3354 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3355 (u8 *)dev->dev_addr, 0, NULL);
3357 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3359 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3361 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3362 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3363 (u8 *)dev->dev_addr, 0, NULL);
3365 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3371 if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3372 MacAddr = CAM_CONST_BROAD;
3373 for (EntryId = 1; EntryId < 4; EntryId++) {
3374 setKey(dev, EntryId, EntryId,
3375 priv->ieee80211->group_key_type,
3378 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3379 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3380 CAM_CONST_ADDR[0], 0, NULL);
3381 } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3382 MacAddr = CAM_CONST_BROAD;
3383 for (EntryId = 1; EntryId < 4; EntryId++) {
3384 setKey(dev, EntryId, EntryId,
3385 priv->ieee80211->group_key_type,
3389 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3390 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3391 CAM_CONST_ADDR[0], 0, NULL);
3394 //////////////////////////////////////////////////////////////
3395 // This function is used to fix Tx/Rx stop bug temporarily.
3396 // This function will do "system reset" to NIC when Tx or Rx is stuck.
3397 // The method checking Tx/Rx stuck of this function is supported by FW,
3398 // which reports Tx and Rx counter to register 0x128 and 0x130.
3399 //////////////////////////////////////////////////////////////
3400 void rtl819x_ifsilentreset(struct net_device *dev)
3402 struct r8192_priv *priv = ieee80211_priv(dev);
3404 int reset_status = 0;
3405 struct ieee80211_device *ieee = priv->ieee80211;
3408 // 2007.07.20. If we need to check CCK stop, please uncomment this line.
3409 //bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter);
3411 if (priv->ResetProgress == RESET_TYPE_NORESET) {
3414 RT_TRACE(COMP_RESET, "=========>Reset progress!! \n");
3416 // Set the variable for reset.
3417 priv->ResetProgress = RESET_TYPE_SILENT;
3418 down(&priv->wx_sem);
3419 if (priv->up == 0) {
3420 RT_TRACE(COMP_ERR, "%s():the driver is not up! return\n", __func__);
3425 RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n", __func__);
3427 rtl8192_rtx_disable(dev);
3428 rtl8192_cancel_deferred_work(priv);
3430 del_timer_sync(&priv->watch_dog_timer);
3432 ieee->sync_scan_hurryup = 1;
3433 if (ieee->state == IEEE80211_LINKED) {
3434 down(&ieee->wx_sem);
3435 netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3436 ieee80211_stop_send_beacons(priv->ieee80211);
3437 del_timer_sync(&ieee->associate_timer);
3438 cancel_delayed_work(&ieee->associate_retry_wq);
3439 ieee80211_stop_scan(ieee);
3440 netif_carrier_off(dev);
3443 netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3444 ieee80211_softmac_stop_protocol(priv->ieee80211);
3447 RT_TRACE(COMP_RESET, "%s():<==========down process is finished\n", __func__);
3448 RT_TRACE(COMP_RESET, "%s():===========>start up the driver\n", __func__);
3449 reset_status = _rtl8192_up(dev);
3451 RT_TRACE(COMP_RESET, "%s():<===========up process is finished\n", __func__);
3452 if (reset_status == -EAGAIN) {
3453 if (reset_times < 3) {
3457 RT_TRACE(COMP_ERR, " ERR!!! %s(): Reset Failed!!\n", __func__);
3460 ieee->is_silent_reset = 1;
3461 EnableHWSecurityConfig8192(dev);
3462 if (ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
3463 ieee->set_chan(ieee->dev, ieee->current_network.channel);
3465 queue_work(ieee->wq, &ieee->associate_complete_wq);
3467 } else if (ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_ADHOC) {
3468 ieee->set_chan(ieee->dev, ieee->current_network.channel);
3469 ieee->link_change(ieee->dev);
3471 ieee80211_start_send_beacons(ieee);
3473 if (ieee->data_hard_resume)
3474 ieee->data_hard_resume(ieee->dev);
3475 netif_carrier_on(ieee->dev);
3478 CamRestoreAllEntry(dev);
3480 priv->ResetProgress = RESET_TYPE_NORESET;
3481 priv->reset_count++;
3483 priv->bForcedSilentReset = false;
3484 priv->bResetInProgress = false;
3486 // For test --> force write UFWP.
3487 write_nic_byte(dev, UFWP, 1);
3488 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", priv->reset_count);
3492 void CAM_read_entry(struct net_device *dev, u32 iIndex)
3494 u32 target_command = 0;
3495 u32 target_content = 0;
3499 for (entry_i = 0; entry_i < CAM_CONTENT_COUNT; entry_i++) {
3500 // polling bit, and No Write enable, and address
3501 target_command = entry_i+CAM_CONTENT_COUNT*iIndex;
3502 target_command = target_command | BIT31;
3504 //Check polling bit is clear
3505 while ((i--) >= 0) {
3506 read_nic_dword(dev, RWCAM, &ulStatus);
3507 if (ulStatus & BIT31)
3512 write_nic_dword(dev, RWCAM, target_command);
3513 RT_TRACE(COMP_SEC, "CAM_read_entry(): WRITE A0: %x \n", target_command);
3514 read_nic_dword(dev, RCAMO, &target_content);
3515 RT_TRACE(COMP_SEC, "CAM_read_entry(): WRITE A8: %x \n", target_content);
3520 void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3521 u32 *TotalRxDataNum)
3527 *TotalRxDataNum = 0;
3529 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
3530 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3531 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3532 for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3533 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3534 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3539 extern void rtl819x_watchdog_wqcallback(struct work_struct *work)
3541 struct delayed_work *dwork = container_of(work, struct delayed_work, work);
3542 struct r8192_priv *priv = container_of(dwork, struct r8192_priv, watch_dog_wq);
3543 struct net_device *dev = priv->ieee80211->dev;
3544 struct ieee80211_device *ieee = priv->ieee80211;
3545 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3546 static u8 check_reset_cnt;
3547 bool bBusyTraffic = false;
3548 u32 TotalRxBcnNum = 0;
3549 u32 TotalRxDataNum = 0;
3553 hal_dm_watchdog(dev);
3555 //to get busy traffic condition
3556 if (ieee->state == IEEE80211_LINKED) {
3557 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3558 ieee->LinkDetectInfo.NumTxOkInPeriod > 666 ) {
3559 bBusyTraffic = true;
3561 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3562 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3563 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3565 //added by amy for AP roaming
3566 if (priv->ieee80211->state == IEEE80211_LINKED && priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3568 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3569 if ((TotalRxBcnNum+TotalRxDataNum) == 0) {
3571 if (rfState == eRfOff)
3572 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3574 netdev_dbg(dev, "===>%s(): AP is power off, connect another one\n", __func__);
3575 priv->ieee80211->state = IEEE80211_ASSOCIATING;
3576 notify_wx_assoc_event(priv->ieee80211);
3577 RemovePeerTS(priv->ieee80211, priv->ieee80211->current_network.bssid);
3578 priv->ieee80211->link_change(dev);
3579 queue_work(priv->ieee80211->wq, &priv->ieee80211->associate_procedure_wq);
3583 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3584 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3585 //check if reset the driver
3586 if (check_reset_cnt++ >= 3) {
3587 ResetType = rtl819x_ifcheck_resetornot(dev);
3588 check_reset_cnt = 3;
3590 if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3591 (priv->bForcedSilentReset ||
3592 (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) { // This is control by OID set in Pomelo
3593 RT_TRACE(COMP_RESET, "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n", __func__, priv->force_reset, priv->ResetProgress, priv->bForcedSilentReset, priv->bDisableNormalResetCheck, ResetType);
3594 rtl819x_ifsilentreset(dev);
3596 priv->force_reset = false;
3597 priv->bForcedSilentReset = false;
3598 priv->bResetInProgress = false;
3599 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3603 void watch_dog_timer_callback(unsigned long data)
3605 struct r8192_priv *priv = ieee80211_priv((struct net_device *) data);
3606 queue_delayed_work(priv->priv_wq, &priv->watch_dog_wq, 0);
3607 mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
3609 int _rtl8192_up(struct net_device *dev)
3611 struct r8192_priv *priv = ieee80211_priv(dev);
3612 int init_status = 0;
3614 priv->ieee80211->ieee_up = 1;
3615 RT_TRACE(COMP_INIT, "Bringing up iface");
3616 init_status = rtl8192_adapter_start(dev);
3618 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n", __func__);
3619 priv->up = priv->ieee80211->ieee_up = 0;
3622 RT_TRACE(COMP_INIT, "start adapter finished\n");
3623 rtl8192_rx_enable(dev);
3624 if (priv->ieee80211->state != IEEE80211_LINKED)
3625 ieee80211_softmac_start_protocol(priv->ieee80211);
3626 ieee80211_reset_queue(priv->ieee80211);
3627 watch_dog_timer_callback((unsigned long) dev);
3628 if (!netif_queue_stopped(dev))
3629 netif_start_queue(dev);
3631 netif_wake_queue(dev);
3637 int rtl8192_open(struct net_device *dev)
3639 struct r8192_priv *priv = ieee80211_priv(dev);
3641 down(&priv->wx_sem);
3642 ret = rtl8192_up(dev);
3649 int rtl8192_up(struct net_device *dev)
3651 struct r8192_priv *priv = ieee80211_priv(dev);
3653 if (priv->up == 1) return -1;
3655 return _rtl8192_up(dev);
3659 int rtl8192_close(struct net_device *dev)
3661 struct r8192_priv *priv = ieee80211_priv(dev);
3664 down(&priv->wx_sem);
3666 ret = rtl8192_down(dev);
3674 int rtl8192_down(struct net_device *dev)
3676 struct r8192_priv *priv = ieee80211_priv(dev);
3679 if (priv->up == 0) return -1;
3682 priv->ieee80211->ieee_up = 0;
3683 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3685 if (!netif_queue_stopped(dev))
3686 netif_stop_queue(dev);
3688 rtl8192_rtx_disable(dev);
3690 /* Tx related queue release */
3691 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3692 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3693 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3694 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3696 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3697 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3699 //as cancel_delayed_work will del work->timer, so if work is not defined as struct delayed_work, it will corrupt
3700 rtl8192_cancel_deferred_work(priv);
3702 del_timer_sync(&priv->watch_dog_timer);
3705 ieee80211_softmac_stop_protocol(priv->ieee80211);
3706 memset(&priv->ieee80211->current_network, 0, offsetof(struct ieee80211_network, list));
3707 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3713 void rtl8192_commit(struct net_device *dev)
3715 struct r8192_priv *priv = ieee80211_priv(dev);
3716 int reset_status = 0;
3717 if (priv->up == 0) return;
3720 rtl8192_cancel_deferred_work(priv);
3721 del_timer_sync(&priv->watch_dog_timer);
3723 ieee80211_softmac_stop_protocol(priv->ieee80211);
3725 rtl8192_rtx_disable(dev);
3726 reset_status = _rtl8192_up(dev);
3730 void rtl8192_restart(struct work_struct *work)
3732 struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
3733 struct net_device *dev = priv->ieee80211->dev;
3735 down(&priv->wx_sem);
3737 rtl8192_commit(dev);
3742 static void r8192_set_multicast(struct net_device *dev)
3744 struct r8192_priv *priv = ieee80211_priv(dev);
3749 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3751 if (promisc != priv->promisc)
3753 priv->promisc = promisc;
3757 int r8192_set_mac_adr(struct net_device *dev, void *mac)
3759 struct r8192_priv *priv = ieee80211_priv(dev);
3760 struct sockaddr *addr = mac;
3762 down(&priv->wx_sem);
3764 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
3766 schedule_work(&priv->reset_wq);
3772 /* based on ipw2200 driver */
3773 int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3775 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3776 struct iwreq *wrq = (struct iwreq *)rq;
3778 struct ieee80211_device *ieee = priv->ieee80211;
3780 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3781 struct iw_point *p = &wrq->u.data;
3782 struct ieee_param *ipw = NULL;
3784 down(&priv->wx_sem);
3787 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3792 ipw = memdup_user(p->pointer, p->length);
3799 case RTL_IOCTL_WPA_SUPPLICANT:
3800 //parse here for HW security
3801 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3802 if (ipw->u.crypt.set_tx) {
3803 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3804 ieee->pairwise_key_type = KEY_TYPE_CCMP;
3805 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3806 ieee->pairwise_key_type = KEY_TYPE_TKIP;
3807 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3808 if (ipw->u.crypt.key_len == 13)
3809 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3810 else if (ipw->u.crypt.key_len == 5)
3811 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3813 ieee->pairwise_key_type = KEY_TYPE_NA;
3816 if (ieee->pairwise_key_type) {
3817 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3818 EnableHWSecurityConfig8192(dev);
3819 //we fill both index entry and 4th entry for pairwise key as in IPW interface, adhoc will only get here, so we need index entry for its default key serching!
3821 setKey(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8 *)ieee->ap_mac_addr, 0, key);
3822 if (ieee->auth_mode != 2)
3823 setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8 *)ieee->ap_mac_addr, 0, key);
3826 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3827 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3828 ieee->group_key_type = KEY_TYPE_CCMP;
3829 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3830 ieee->group_key_type = KEY_TYPE_TKIP;
3831 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3832 if (ipw->u.crypt.key_len == 13)
3833 ieee->group_key_type = KEY_TYPE_WEP104;
3834 else if (ipw->u.crypt.key_len == 5)
3835 ieee->group_key_type = KEY_TYPE_WEP40;
3837 ieee->group_key_type = KEY_TYPE_NA;
3840 if (ieee->group_key_type) {
3841 setKey(dev, ipw->u.crypt.idx,
3842 ipw->u.crypt.idx, //KeyIndex
3843 ieee->group_key_type, //KeyType
3844 broadcast_addr, //MacAddr
3850 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
3864 u8 HwRateToMRate90(bool bIsHT, u8 rate)
3870 case DESC90_RATE1M: ret_rate = MGN_1M; break;
3871 case DESC90_RATE2M: ret_rate = MGN_2M; break;
3872 case DESC90_RATE5_5M: ret_rate = MGN_5_5M; break;
3873 case DESC90_RATE11M: ret_rate = MGN_11M; break;
3874 case DESC90_RATE6M: ret_rate = MGN_6M; break;
3875 case DESC90_RATE9M: ret_rate = MGN_9M; break;
3876 case DESC90_RATE12M: ret_rate = MGN_12M; break;
3877 case DESC90_RATE18M: ret_rate = MGN_18M; break;
3878 case DESC90_RATE24M: ret_rate = MGN_24M; break;
3879 case DESC90_RATE36M: ret_rate = MGN_36M; break;
3880 case DESC90_RATE48M: ret_rate = MGN_48M; break;
3881 case DESC90_RATE54M: ret_rate = MGN_54M; break;
3885 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
3891 case DESC90_RATEMCS0: ret_rate = MGN_MCS0; break;
3892 case DESC90_RATEMCS1: ret_rate = MGN_MCS1; break;
3893 case DESC90_RATEMCS2: ret_rate = MGN_MCS2; break;
3894 case DESC90_RATEMCS3: ret_rate = MGN_MCS3; break;
3895 case DESC90_RATEMCS4: ret_rate = MGN_MCS4; break;
3896 case DESC90_RATEMCS5: ret_rate = MGN_MCS5; break;
3897 case DESC90_RATEMCS6: ret_rate = MGN_MCS6; break;
3898 case DESC90_RATEMCS7: ret_rate = MGN_MCS7; break;
3899 case DESC90_RATEMCS8: ret_rate = MGN_MCS8; break;
3900 case DESC90_RATEMCS9: ret_rate = MGN_MCS9; break;
3901 case DESC90_RATEMCS10: ret_rate = MGN_MCS10; break;
3902 case DESC90_RATEMCS11: ret_rate = MGN_MCS11; break;
3903 case DESC90_RATEMCS12: ret_rate = MGN_MCS12; break;
3904 case DESC90_RATEMCS13: ret_rate = MGN_MCS13; break;
3905 case DESC90_RATEMCS14: ret_rate = MGN_MCS14; break;
3906 case DESC90_RATEMCS15: ret_rate = MGN_MCS15; break;
3907 case DESC90_RATEMCS32: ret_rate = (0x80|0x20); break;
3911 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
3920 * Function: UpdateRxPktTimeStamp
3921 * Overview: Record the TSF time stamp when receiving a packet
3929 * (pRfd->Status.TimeStampHigh is updated)
3930 * (pRfd->Status.TimeStampLow is updated)
3934 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3935 struct ieee80211_rx_stats *stats)
3937 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3939 if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3940 stats->mac_time[0] = priv->LastRxDescTSFLow;
3941 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3943 priv->LastRxDescTSFLow = stats->mac_time[0];
3944 priv->LastRxDescTSFHigh = stats->mac_time[1];
3950 long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
3952 long signal_power; // in dBm.
3954 // Translate to dBm (x=0.5y-95).
3955 signal_power = (long)((signal_strength_index + 1) >> 1);
3958 return signal_power;
3962 /* 2008/01/22 MH We can not declare RSSI/EVM total value of sliding window to
3963 be a local static. Otherwise, it may increase when we return from S3/S4. The
3964 value will be kept in memory or disk. Declare the value in the adaptor
3965 and it will be reinitialized when returned from S3/S4. */
3966 void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer, struct ieee80211_rx_stats *pprevious_stats, struct ieee80211_rx_stats *pcurrent_stats)
3968 bool bcheck = false;
3970 u32 nspatial_stream, tmp_val;
3971 static u32 slide_rssi_index, slide_rssi_statistics;
3972 static u32 slide_evm_index, slide_evm_statistics;
3973 static u32 last_rssi, last_evm;
3975 static u32 slide_beacon_adc_pwdb_index, slide_beacon_adc_pwdb_statistics;
3976 static u32 last_beacon_adc_pwdb;
3978 struct ieee80211_hdr_3addr *hdr;
3980 unsigned int frag, seq;
3981 hdr = (struct ieee80211_hdr_3addr *)buffer;
3982 sc = le16_to_cpu(hdr->seq_ctl);
3983 frag = WLAN_GET_SEQ_FRAG(sc);
3984 seq = WLAN_GET_SEQ_SEQ(sc);
3985 //cosa add 04292008 to record the sequence number
3986 pcurrent_stats->Seq_Num = seq;
3988 // Check whether we should take the previous packet into accounting
3990 if (!pprevious_stats->bIsAMPDU) {
3991 // if previous packet is not aggregated packet
3995 if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3996 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3997 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3998 priv->stats.slide_rssi_total -= last_rssi;
4000 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
4002 priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
4003 if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
4004 slide_rssi_index = 0;
4006 // <1> Showed on UI for user, in dbm
4007 tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
4008 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4009 pcurrent_stats->rssi = priv->stats.signal_strength;
4011 // If the previous packet does not match the criteria, neglect it
4013 if (!pprevious_stats->bPacketMatchBSSID) {
4014 if (!pprevious_stats->bToSelfBA)
4022 //rtl8190_process_cck_rxpathsel(priv,pprevious_stats);//only rtl8190 supported
4027 priv->stats.num_process_phyinfo++;
4029 /* record the general signal strength to the sliding window. */
4032 // <2> Showed on UI for engineering
4033 // hardware does not provide rssi information for each rf path in CCK
4034 if (!pprevious_stats->bIsCCK && (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
4035 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
4036 if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, rfpath))
4039 //Fixed by Jacken 2008-03-20
4040 if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4041 priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
4042 if (pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath]) {
4043 priv->stats.rx_rssi_percentage[rfpath] =
4044 ((priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
4045 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
4046 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
4048 priv->stats.rx_rssi_percentage[rfpath] =
4049 ((priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
4050 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
4052 RT_TRACE(COMP_DBG, "priv->stats.rx_rssi_percentage[rfPath] = %d \n", priv->stats.rx_rssi_percentage[rfpath]);
4060 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4061 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4062 pprevious_stats->RxPWDBAll);
4064 if (pprevious_stats->bPacketBeacon) {
4065 /* record the beacon pwdb to the sliding window. */
4066 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4067 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4068 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4069 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4071 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4072 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4073 slide_beacon_adc_pwdb_index++;
4074 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4075 slide_beacon_adc_pwdb_index = 0;
4076 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
4077 if (pprevious_stats->RxPWDBAll >= 3)
4078 pprevious_stats->RxPWDBAll -= 3;
4081 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4082 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4083 pprevious_stats->RxPWDBAll);
4086 if (pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA) {
4087 if (priv->undecorated_smoothed_pwdb < 0) // initialize
4088 priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
4089 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4090 priv->undecorated_smoothed_pwdb =
4091 (((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
4092 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
4093 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4095 priv->undecorated_smoothed_pwdb =
4096 (((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
4097 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
4105 /* record the general EVM to the sliding window. */
4106 if (pprevious_stats->SignalQuality) {
4107 if (pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA) {
4108 if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4109 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4110 last_evm = priv->stats.slide_evm[slide_evm_index];
4111 priv->stats.slide_evm_total -= last_evm;
4114 priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
4116 priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
4117 if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4118 slide_evm_index = 0;
4120 // <1> Showed on UI for user, in percentage.
4121 tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
4122 priv->stats.signal_quality = tmp_val;
4123 //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
4124 priv->stats.last_signal_strength_inpercent = tmp_val;
4127 // <2> Showed on UI for engineering
4128 if (pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA) {
4129 for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { // 2 spatial stream
4130 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4131 if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
4132 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4133 priv->stats.rx_evm_percentage[nspatial_stream] =
4134 ((priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
4135 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
4144 /*-----------------------------------------------------------------------------
4145 * Function: rtl819x_query_rxpwrpercentage()
4149 * Input: char antpower
4153 * Return: 0-100 percentage
4157 * 05/26/2008 amy Create Version 0 porting from windows code.
4159 *---------------------------------------------------------------------------*/
4160 static u8 rtl819x_query_rxpwrpercentage(char antpower)
4162 if ((antpower <= -100) || (antpower >= 20))
4164 else if (antpower >= 0)
4167 return 100 + antpower;
4169 } /* QueryRxPwrPercentage */
4171 static u8 rtl819x_evm_dbtopercentage(char value)
4181 ret_val = 0 - ret_val;
4189 // We want good-looking for signal strength/quality
4190 // 2007/7/19 01:09, by cosa.
4192 static long rtl819x_signal_scale_mapping(long currsig)
4196 // Step 1. Scale mapping.
4197 if (currsig >= 61 && currsig <= 100)
4198 retsig = 90 + ((currsig - 60) / 4);
4199 else if (currsig >= 41 && currsig <= 60)
4200 retsig = 78 + ((currsig - 40) / 2);
4201 else if (currsig >= 31 && currsig <= 40)
4202 retsig = 66 + (currsig - 30);
4203 else if (currsig >= 21 && currsig <= 30)
4204 retsig = 54 + (currsig - 20);
4205 else if (currsig >= 5 && currsig <= 20)
4206 retsig = 42 + (((currsig - 5) * 2) / 3);
4207 else if (currsig == 4)
4209 else if (currsig == 3)
4211 else if (currsig == 2)
4213 else if (currsig == 1)
4221 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4226 switch (pdrvinfo->RxRate) {
4229 case DESC90_RATE5_5M:
4230 case DESC90_RATE11M:
4237 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4238 struct ieee80211_rx_stats *pstats,
4239 rx_drvinfo_819x_usb *pdrvinfo,
4240 struct ieee80211_rx_stats *precord_stats,
4241 bool bpacket_match_bssid,
4242 bool bpacket_toself,
4246 phy_sts_ofdm_819xusb_t *pofdm_buf;
4247 phy_sts_cck_819xusb_t *pcck_buf;
4248 phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4250 u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4251 char rx_pwr[4], rx_pwr_all = 0;
4252 char rx_snrX, rx_evmX;
4254 u32 RSSI, total_rssi = 0;
4260 priv->stats.numqry_phystatus++;
4262 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4264 // Record it for next packet processing
4265 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4266 pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4267 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4268 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4269 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4270 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4272 prxpkt = (u8 *)pdrvinfo;
4274 /* Move pointer to the 16th bytes. Phy status start address. */
4275 prxpkt += sizeof(rx_drvinfo_819x_usb);
4277 /* Initial the cck and ofdm buffer pointer */
4278 pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4279 pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4281 pstats->RxMIMOSignalQuality[0] = -1;
4282 pstats->RxMIMOSignalQuality[1] = -1;
4283 precord_stats->RxMIMOSignalQuality[0] = -1;
4284 precord_stats->RxMIMOSignalQuality[1] = -1;
4288 // (1)Hardware does not provide RSSI for CCK
4292 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4296 priv->stats.numqry_phystatusCCK++;
4298 if (!priv->bCckHighPower) {
4299 report = pcck_buf->cck_agc_rpt & 0xc0;
4302 //Fixed by Jacken from Bryant 2008-03-20
4303 //Original value is -38 , -26 , -14 , -2
4304 //Fixed value is -35 , -23 , -11 , 6
4306 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4309 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4312 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4315 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4319 report = pcck_buf->cck_agc_rpt & 0x60;
4323 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
4326 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
4329 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
4332 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
4337 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4338 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4339 pstats->RecvSignalPower = pwdb_all;
4342 // (3) Get Signal Quality (EVM)
4345 if (pstats->RxPWDBAll > 40) {
4348 sq = pcck_buf->sq_rpt;
4350 if (pcck_buf->sq_rpt > 64)
4352 else if (pcck_buf->sq_rpt < 20)
4355 sq = ((64-sq) * 100) / 44;
4357 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4358 pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
4359 pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
4362 priv->stats.numqry_phystatusHT++;
4364 // (1)Get RSSI for HT rate
4366 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4367 // 2008/01/30 MH we will judge RF RX path now.
4368 if (priv->brfpath_rxenable[i])
4373 if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, i))
4376 //Fixed by Jacken from Bryant 2008-03-20
4377 //Original value is 106
4378 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 106;
4380 //Get Rx snr value in DB
4381 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4382 rx_snrX = (char)(tmp_rxsnr);
4384 priv->stats.rxSNRdB[i] = (long)rx_snrX;
4386 /* Translate DBM to percentage. */
4387 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4390 /* Record Signal Strength for next packet */
4391 pstats->RxMIMOSignalStrength[i] = (u8) RSSI;
4392 precord_stats->RxMIMOSignalStrength[i] = (u8) RSSI;
4397 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4399 //Fixed by Jacken from Bryant 2008-03-20
4400 //Original value is 106
4401 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1)& 0x7f) -106;
4402 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4404 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4405 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4408 // (3)EVM of HT rate
4410 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4411 pdrvinfo->RxRate <= DESC90_RATEMCS15)
4412 max_spatial_stream = 2; //both spatial stream make sense
4414 max_spatial_stream = 1; //only spatial stream 1 makes sense
4416 for (i = 0; i < max_spatial_stream; i++) {
4417 tmp_rxevm = pofdm_buf->rxevm_X[i];
4418 rx_evmX = (char)(tmp_rxevm);
4420 // Do not use shift operation like "rx_evmX >>= 1" because the compiler of free build environment
4421 // will set the most significant bit to "zero" when doing shifting operation which may change a negative
4422 // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore.
4425 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4426 if (i == 0) // Fill value in RFD, Get the first spatial stream only
4427 pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
4428 pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
4432 /* record rx statistics for debug */
4433 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4434 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
4435 if (pdrvinfo->BW) //40M channel
4436 priv->stats.received_bwtype[1+prxsc->rxsc]++;
4438 priv->stats.received_bwtype[0]++;
4441 //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
4442 //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
4444 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4446 // We can judge RX path number now.
4448 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4450 } /* QueryRxPhyStatus8190Pci */
4452 void rtl8192_record_rxdesc_forlateruse(struct ieee80211_rx_stats *psrc_stats,
4453 struct ieee80211_rx_stats *ptarget_stats)
4455 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4456 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4457 ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4461 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4462 struct ieee80211_rx_stats *pstats,
4463 rx_drvinfo_819x_usb *pdrvinfo)
4465 // TODO: We must only check packet for current MAC address. Not finish
4466 rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4467 struct net_device *dev = info->dev;
4468 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4469 bool bpacket_match_bssid, bpacket_toself;
4470 bool bPacketBeacon = FALSE, bToSelfBA = FALSE;
4471 static struct ieee80211_rx_stats previous_stats;
4472 struct ieee80211_hdr_3addr *hdr;//by amy
4475 // Get Signal Quality for only RX data queue (but not command queue)
4480 /* Get MAC frame start address. */
4481 tmp_buf = (u8 *)skb->data;
4483 hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
4484 fc = le16_to_cpu(hdr->frame_ctl);
4485 type = WLAN_FC_GET_TYPE(fc);
4486 praddr = hdr->addr1;
4488 /* Check if the received packet is acceptable. */
4489 bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
4490 (eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4491 && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV));
4492 bpacket_toself = bpacket_match_bssid & (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4494 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4495 bPacketBeacon = true;
4496 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4497 if ((eqMacAddr(praddr, dev->dev_addr)))
4503 if (bpacket_match_bssid)
4504 priv->stats.numpacket_matchbssid++;
4506 priv->stats.numpacket_toself++;
4508 // Process PHY information for previous packet (RSSI/PWDB/EVM)
4510 // Because phy information is contained in the last packet of AMPDU only, so driver
4511 // should process phy information of previous packet
4512 rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4513 rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats, bpacket_match_bssid, bpacket_toself, bPacketBeacon, bToSelfBA);
4514 rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4519 * Function: UpdateReceivedRateHistogramStatistics
4520 * Overview: Record the received data rate
4523 * struct net_device *dev
4524 * struct ieee80211_rx_stats *stats
4528 * (priv->stats.ReceivedRateHistogram[] is updated)
4533 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4534 struct ieee80211_rx_stats *stats)
4536 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4537 u32 rcvType = 1; //0: Total, 1:OK, 2:CRC, 3:ICV
4539 u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI
4544 else if (stats->bICV)
4547 if (stats->bShortPreamble)
4548 preamble_guardinterval = 1;// short
4550 preamble_guardinterval = 0;// long
4552 switch (stats->rate) {
4556 case MGN_1M: rateIndex = 0; break;
4557 case MGN_2M: rateIndex = 1; break;
4558 case MGN_5_5M: rateIndex = 2; break;
4559 case MGN_11M: rateIndex = 3; break;
4563 case MGN_6M: rateIndex = 4; break;
4564 case MGN_9M: rateIndex = 5; break;
4565 case MGN_12M: rateIndex = 6; break;
4566 case MGN_18M: rateIndex = 7; break;
4567 case MGN_24M: rateIndex = 8; break;
4568 case MGN_36M: rateIndex = 9; break;
4569 case MGN_48M: rateIndex = 10; break;
4570 case MGN_54M: rateIndex = 11; break;
4572 // 11n High throughput rate
4574 case MGN_MCS0: rateIndex = 12; break;
4575 case MGN_MCS1: rateIndex = 13; break;
4576 case MGN_MCS2: rateIndex = 14; break;
4577 case MGN_MCS3: rateIndex = 15; break;
4578 case MGN_MCS4: rateIndex = 16; break;
4579 case MGN_MCS5: rateIndex = 17; break;
4580 case MGN_MCS6: rateIndex = 18; break;
4581 case MGN_MCS7: rateIndex = 19; break;
4582 case MGN_MCS8: rateIndex = 20; break;
4583 case MGN_MCS9: rateIndex = 21; break;
4584 case MGN_MCS10: rateIndex = 22; break;
4585 case MGN_MCS11: rateIndex = 23; break;
4586 case MGN_MCS12: rateIndex = 24; break;
4587 case MGN_MCS13: rateIndex = 25; break;
4588 case MGN_MCS14: rateIndex = 26; break;
4589 case MGN_MCS15: rateIndex = 27; break;
4590 default: rateIndex = 28; break;
4592 priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4593 priv->stats.received_rate_histogram[0][rateIndex]++; //total
4594 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4598 static void query_rxdesc_status(struct sk_buff *skb,
4599 struct ieee80211_rx_stats *stats,
4600 bool bIsRxAggrSubframe)
4602 rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4603 struct net_device *dev = info->dev;
4604 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4605 rx_drvinfo_819x_usb *driver_info = NULL;
4608 //Get Rx Descriptor Information
4610 #ifdef USB_RX_AGGREGATION_SUPPORT
4611 if (bIsRxAggrSubframe) {
4612 rx_desc_819x_usb_aggr_subframe *desc = (rx_desc_819x_usb_aggr_subframe *)skb->data;
4613 stats->Length = desc->Length;
4614 stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4615 stats->RxBufShift = 0; //RxBufShift = 2 in RxDesc, but usb didn't shift bytes in fact.
4616 stats->bICV = desc->ICV;
4617 stats->bCRC = desc->CRC32;
4618 stats->bHwError = stats->bCRC|stats->bICV;
4619 stats->Decrypted = !desc->SWDec;//RTL8190 set this bit to indicate that Hw does not decrypt packet
4623 rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4625 stats->Length = desc->Length;
4626 stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4627 stats->RxBufShift = 0;
4628 stats->bICV = desc->ICV;
4629 stats->bCRC = desc->CRC32;
4630 stats->bHwError = stats->bCRC|stats->bICV;
4631 //RTL8190 set this bit to indicate that Hw does not decrypt packet
4632 stats->Decrypted = !desc->SWDec;
4635 if ((priv->ieee80211->pHTInfo->bCurrentHTSupport == true) && (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4636 stats->bHwError = false;
4638 stats->bHwError = stats->bCRC|stats->bICV;
4640 if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4641 stats->bHwError |= 1;
4645 // TODO: Need to verify it on FGPA platform
4646 //Driver info are written to the RxBuffer following rx desc
4647 if (stats->RxDrvInfoSize != 0) {
4648 driver_info = (rx_drvinfo_819x_usb *)(skb->data + sizeof(rx_desc_819x_usb) +
4652 if (!stats->bHwError) {
4654 ret_rate = HwRateToMRate90(driver_info->RxHT, driver_info->RxRate);
4655 if (ret_rate == 0xff) {
4656 // Abnormal Case: Receive CRC OK packet with Rx descriptor indicating non supported rate.
4657 // Special Error Handling here, 2008.05.16, by Emily
4659 stats->bHwError = 1;
4660 stats->rate = MGN_1M; //Set 1M rate by default
4662 stats->rate = ret_rate;
4668 stats->bShortPreamble = driver_info->SPLCP;
4671 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4673 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4674 stats->bFirstMPDU = (driver_info->PartAggr == 1) && (driver_info->FirstAGGR == 1);
4675 stats->TimeStampLow = driver_info->TSFL;
4676 // xiong mask it, 070514
4678 UpdateRxPktTimeStamp8190(dev, stats);
4683 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4684 RT_TRACE(COMP_RXDESC, "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4685 driver_info->FirstAGGR, driver_info->PartAggr);
4689 skb_pull(skb, sizeof(rx_desc_819x_usb));
4691 // Get Total offset of MPDU Frame Body
4693 if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4695 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4698 #ifdef USB_RX_AGGREGATION_SUPPORT
4699 /* for the rx aggregated sub frame, the redundant space truly contained in the packet */
4700 if (bIsRxAggrSubframe)
4703 /* for debug 2008.5.29 */
4705 //added by vivi, for MP, 20080108
4706 stats->RxIs40MHzPacket = driver_info->BW;
4707 if (stats->RxDrvInfoSize != 0)
4708 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4712 u32 GetRxPacketShiftBytes819xUsb(struct ieee80211_rx_stats *Status, bool bIsRxAggrSubframe)
4714 #ifdef USB_RX_AGGREGATION_SUPPORT
4715 if (bIsRxAggrSubframe)
4716 return (sizeof(rx_desc_819x_usb) + Status->RxDrvInfoSize
4717 + Status->RxBufShift + 8);
4720 return (sizeof(rx_desc_819x_usb) + Status->RxDrvInfoSize
4721 + Status->RxBufShift);
4724 void rtl8192_rx_nomal(struct sk_buff *skb)
4726 rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4727 struct net_device *dev = info->dev;
4728 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4729 struct ieee80211_rx_stats stats = {
4733 .freq = IEEE80211_24GHZ_BAND,
4736 struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
4737 bool unicast_packet = false;
4738 #ifdef USB_RX_AGGREGATION_SUPPORT
4739 struct sk_buff *agg_skb = NULL;
4740 u32 TotalLength = 0;
4742 u32 PacketLength = 0;
4743 u32 PacketOccupiedLendth = 0;
4745 u32 PacketShiftBytes = 0;
4746 rx_desc_819x_usb_aggr_subframe *RxDescr = NULL;
4747 u8 PaddingBytes = 0;
4748 //add just for testing
4753 /* 20 is for ps-poll */
4754 if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4755 #ifdef USB_RX_AGGREGATION_SUPPORT
4756 TempByte = *(skb->data + sizeof(rx_desc_819x_usb));
4758 /* first packet should not contain Rx aggregation header */
4759 query_rxdesc_status(skb, &stats, false);
4761 /* hardware related info */
4762 #ifdef USB_RX_AGGREGATION_SUPPORT
4763 if (TempByte & BIT0) {
4765 TotalLength = stats.Length - 4; /*sCrcLng*/
4766 /* though the head pointer has passed this position */
4767 TempDWord = *(u32 *)(agg_skb->data - 4);
4768 PacketLength = (u16)(TempDWord & 0x3FFF); /*sCrcLng*/
4769 skb = dev_alloc_skb(PacketLength);
4770 memcpy(skb_put(skb, PacketLength), agg_skb->data, PacketLength);
4771 PacketShiftBytes = GetRxPacketShiftBytes819xUsb(&stats, false);
4774 /* Process the MPDU received */
4775 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4777 rx_pkt_len = skb->len;
4778 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
4779 unicast_packet = false;
4780 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4782 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4785 /* unicast packet */
4786 unicast_packet = true;
4789 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4790 dev_kfree_skb_any(skb);
4792 priv->stats.rxoktotal++;
4794 priv->stats.rxbytesunicast += rx_pkt_len;
4796 #ifdef USB_RX_AGGREGATION_SUPPORT
4798 if (TotalLength > 0) {
4799 PacketOccupiedLendth = PacketLength + (PacketShiftBytes + 8);
4800 if ((PacketOccupiedLendth & 0xFF) != 0)
4801 PacketOccupiedLendth = (PacketOccupiedLendth & 0xFFFFFF00) + 256;
4802 PacketOccupiedLendth -= 8;
4803 TempDWord = PacketOccupiedLendth - PacketShiftBytes; /*- PacketLength */
4804 if (agg_skb->len > TempDWord)
4805 skb_pull(agg_skb, TempDWord);
4809 while (agg_skb->len >= GetRxPacketShiftBytes819xUsb(&stats, true)) {
4810 u8 tmpCRC = 0, tmpICV = 0;
4811 RxDescr = (rx_desc_819x_usb_aggr_subframe *)(agg_skb->data);
4812 tmpCRC = RxDescr->CRC32;
4813 tmpICV = RxDescr->ICV;
4814 memcpy(agg_skb->data, &agg_skb->data[44], 2);
4815 RxDescr->CRC32 = tmpCRC;
4816 RxDescr->ICV = tmpICV;
4818 memset(&stats, 0, sizeof(struct ieee80211_rx_stats));
4822 stats.freq = IEEE80211_24GHZ_BAND;
4823 query_rxdesc_status(agg_skb, &stats, true);
4824 PacketLength = stats.Length;
4826 if (PacketLength > agg_skb->len)
4828 /* Process the MPDU received */
4829 skb = dev_alloc_skb(PacketLength);
4830 memcpy(skb_put(skb, PacketLength), agg_skb->data, PacketLength);
4831 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4833 rx_pkt_len = skb->len;
4834 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
4835 unicast_packet = false;
4836 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4838 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4841 /* unicast packet */
4842 unicast_packet = true;
4844 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4845 dev_kfree_skb_any(skb);
4847 priv->stats.rxoktotal++;
4849 priv->stats.rxbytesunicast += rx_pkt_len;
4851 /* should trim the packet which has been copied to target skb */
4852 skb_pull(agg_skb, PacketLength);
4853 PacketShiftBytes = GetRxPacketShiftBytes819xUsb(&stats, true);
4854 PacketOccupiedLendth = PacketLength + PacketShiftBytes;
4855 if ((PacketOccupiedLendth & 0xFF) != 0) {
4856 PaddingBytes = 256 - (PacketOccupiedLendth & 0xFF);
4857 if (agg_skb->len > PaddingBytes)
4858 skb_pull(agg_skb, PaddingBytes);
4863 dev_kfree_skb(agg_skb);
4867 priv->stats.rxurberr++;
4868 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4869 dev_kfree_skb_any(skb);
4874 void rtl819xusb_process_received_packet(struct net_device *dev,
4875 struct ieee80211_rx_stats *pstats)
4879 struct r8192_priv *priv = ieee80211_priv(dev);
4881 // Get shifted bytes of Starting address of 802.11 header. 2006.09.28, by Emily
4882 //porting by amy 080508
4883 pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4884 frame = pstats->virtual_address;
4885 frame_len = pstats->packetlength;
4886 #ifdef TODO // by amy about HCT
4887 if (!Adapter->bInHctTest)
4888 CountRxErrStatistics(Adapter, pRfd);
4890 #ifdef ENABLE_PS //by amy for adding ps function in future
4891 RT_RF_POWER_STATE rtState;
4892 // When RF is off, we should not count the packet for hw/sw synchronize
4893 // reason, ie. there may be a duration while sw switch is changed and hw
4894 // switch is being changed. 2006.12.04, by shien chang.
4895 Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE, (u8 *)(&rtState));
4896 if (rtState == eRfOff)
4899 priv->stats.rxframgment++;
4902 RmMonitorSignalStrength(Adapter, pRfd);
4904 /* 2007/01/16 MH Add RX command packet handle here. */
4905 /* 2007/03/01 MH We have to release RFD and return if rx pkt is cmd pkt. */
4906 if (rtl819xusb_rx_command_packet(dev, pstats))
4916 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4917 struct ieee80211_rx_stats *stats)
4919 rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4922 //Get Rx Descriptor Information
4924 stats->virtual_address = (u8 *)skb->data;
4925 stats->Length = desc->Length;
4926 stats->RxDrvInfoSize = 0;
4927 stats->RxBufShift = 0;
4928 stats->packetlength = stats->Length-scrclng;
4929 stats->fraglength = stats->packetlength;
4930 stats->fragoffset = 0;
4931 stats->ntotalfrag = 1;
4935 void rtl8192_rx_cmd(struct sk_buff *skb)
4937 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4938 struct net_device *dev = info->dev;
4940 struct ieee80211_rx_stats stats = {
4944 .freq = IEEE80211_24GHZ_BAND,
4947 if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4949 query_rx_cmdpkt_desc_status(skb, &stats);
4950 // this is to be done by amy 080508 prfd->queue_id = 1;
4954 // Process the command packet received.
4957 rtl819xusb_process_received_packet(dev, &stats);
4959 dev_kfree_skb_any(skb);
4963 void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4965 struct sk_buff *skb;
4966 struct rtl8192_rx_info *info;
4968 while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4969 info = (struct rtl8192_rx_info *)skb->cb;
4970 switch (info->out_pipe) {
4971 /* Nomal packet pipe */
4973 priv->IrpPendingCount--;
4974 rtl8192_rx_nomal(skb);
4977 /* Command packet pipe */
4979 RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4982 rtl8192_rx_cmd(skb);
4985 default: /* should never get here! */
4986 RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4995 static const struct net_device_ops rtl8192_netdev_ops = {
4996 .ndo_open = rtl8192_open,
4997 .ndo_stop = rtl8192_close,
4998 .ndo_get_stats = rtl8192_stats,
4999 .ndo_tx_timeout = tx_timeout,
5000 .ndo_do_ioctl = rtl8192_ioctl,
5001 .ndo_set_rx_mode = r8192_set_multicast,
5002 .ndo_set_mac_address = r8192_set_mac_adr,
5003 .ndo_validate_addr = eth_validate_addr,
5004 .ndo_change_mtu = eth_change_mtu,
5005 .ndo_start_xmit = ieee80211_xmit,
5009 /****************************************************************************
5010 ---------------------------- USB_STUFF---------------------------
5011 *****************************************************************************/
5013 static int rtl8192_usb_probe(struct usb_interface *intf,
5014 const struct usb_device_id *id)
5016 struct net_device *dev = NULL;
5017 struct r8192_priv *priv = NULL;
5018 struct usb_device *udev = interface_to_usbdev(intf);
5020 RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
5022 dev = alloc_ieee80211(sizeof(struct r8192_priv));
5026 usb_set_intfdata(intf, dev);
5027 SET_NETDEV_DEV(dev, &intf->dev);
5028 priv = ieee80211_priv(dev);
5029 priv->ieee80211 = netdev_priv(dev);
5032 dev->netdev_ops = &rtl8192_netdev_ops;
5034 #if WIRELESS_EXT >= 12
5035 #if WIRELESS_EXT < 17
5036 dev->get_wireless_stats = r8192_get_wireless_stats;
5038 dev->wireless_handlers = (struct iw_handler_def *) &r8192_wx_handlers_def;
5040 dev->type = ARPHRD_ETHER;
5042 dev->watchdog_timeo = HZ*3; //modified by john, 0805
5044 if (dev_alloc_name(dev, ifname) < 0) {
5045 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
5047 dev_alloc_name(dev, ifname);
5050 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
5051 if (rtl8192_init(dev) != 0) {
5052 RT_TRACE(COMP_ERR, "Initialization failed");
5056 netif_carrier_off(dev);
5057 netif_stop_queue(dev);
5059 ret = register_netdev(dev);
5063 RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
5064 rtl8192_proc_init_one(dev);
5067 RT_TRACE(COMP_INIT, "Driver probe completed\n");
5072 kfree(priv->pFirmware);
5073 priv->pFirmware = NULL;
5074 rtl8192_usb_deleteendpoints(dev);
5075 destroy_workqueue(priv->priv_wq);
5078 free_ieee80211(dev);
5080 RT_TRACE(COMP_ERR, "wlan driver load failed\n");
5084 //detach all the work and timer structure declared or inititialize in r8192U_init function.
5085 void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
5088 cancel_work_sync(&priv->reset_wq);
5089 cancel_delayed_work(&priv->watch_dog_wq);
5090 cancel_delayed_work(&priv->update_beacon_wq);
5091 cancel_work_sync(&priv->qos_activate);
5095 static void rtl8192_usb_disconnect(struct usb_interface *intf)
5097 struct net_device *dev = usb_get_intfdata(intf);
5099 struct r8192_priv *priv = ieee80211_priv(dev);
5102 unregister_netdev(dev);
5104 RT_TRACE(COMP_DOWN, "=============>wlan driver to be removed\n");
5105 rtl8192_proc_remove_one(dev);
5108 kfree(priv->pFirmware);
5109 priv->pFirmware = NULL;
5110 rtl8192_usb_deleteendpoints(dev);
5111 destroy_workqueue(priv->priv_wq);
5115 free_ieee80211(dev);
5116 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5119 /* fun with the built-in ieee80211 stack... */
5120 extern int ieee80211_debug_init(void);
5121 extern void ieee80211_debug_exit(void);
5122 extern int ieee80211_crypto_init(void);
5123 extern void ieee80211_crypto_deinit(void);
5124 extern int ieee80211_crypto_tkip_init(void);
5125 extern void ieee80211_crypto_tkip_exit(void);
5126 extern int ieee80211_crypto_ccmp_init(void);
5127 extern void ieee80211_crypto_ccmp_exit(void);
5128 extern int ieee80211_crypto_wep_init(void);
5129 extern void ieee80211_crypto_wep_exit(void);
5131 static int __init rtl8192_usb_module_init(void)
5135 #ifdef CONFIG_IEEE80211_DEBUG
5136 ret = ieee80211_debug_init();
5138 pr_err("ieee80211_debug_init() failed %d\n", ret);
5142 ret = ieee80211_crypto_init();
5144 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5148 ret = ieee80211_crypto_tkip_init();
5150 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5154 ret = ieee80211_crypto_ccmp_init();
5156 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5160 ret = ieee80211_crypto_wep_init();
5162 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5166 pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5167 pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5168 RT_TRACE(COMP_INIT, "Initializing module");
5169 RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5170 rtl8192_proc_module_init();
5171 return usb_register(&rtl8192_usb_driver);
5175 static void __exit rtl8192_usb_module_exit(void)
5177 usb_deregister(&rtl8192_usb_driver);
5179 RT_TRACE(COMP_DOWN, "Exiting");
5183 void rtl8192_try_wake_queue(struct net_device *dev, int pri)
5185 unsigned long flags;
5187 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5189 spin_lock_irqsave(&priv->tx_lock, flags);
5190 enough_desc = check_nic_enough_desc(dev, pri);
5191 spin_unlock_irqrestore(&priv->tx_lock, flags);
5194 ieee80211_wake_queue(priv->ieee80211);
5197 void EnableHWSecurityConfig8192(struct net_device *dev)
5199 u8 SECR_value = 0x0;
5200 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5201 struct ieee80211_device *ieee = priv->ieee80211;
5202 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5203 if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2)) {
5204 SECR_value |= SCR_RxUseDK;
5205 SECR_value |= SCR_TxUseDK;
5206 } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5207 SECR_value |= SCR_RxUseDK;
5208 SECR_value |= SCR_TxUseDK;
5210 //add HWSec active enable here.
5211 //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
5213 ieee->hwsec_active = 1;
5215 if ((ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE) || !hwwep) { //add hwsec_support flag to totol control hw_sec on/off
5216 ieee->hwsec_active = 0;
5217 SECR_value &= ~SCR_RxDecEnable;
5219 RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __func__,
5220 ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
5221 write_nic_byte(dev, SECR, SECR_value);
5225 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5226 u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5228 u32 TargetCommand = 0;
5229 u32 TargetContent = 0;
5232 if (EntryNo >= TOTAL_CAM_ENTRY)
5233 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5235 RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev, EntryNo, KeyIndex, KeyType, MacAddr);
5238 usConfig |= BIT15 | (KeyType<<2);
5240 usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
5243 for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5244 TargetCommand = i+CAM_CONTENT_COUNT*EntryNo;
5245 TargetCommand |= BIT31|BIT16;
5247 if (i == 0) { //MAC|Config
5248 TargetContent = (u32)(*(MacAddr+0)) << 16|
5249 (u32)(*(MacAddr+1)) << 24|
5252 write_nic_dword(dev, WCAMI, TargetContent);
5253 write_nic_dword(dev, RWCAM, TargetCommand);
5254 } else if (i == 1) { //MAC
5255 TargetContent = (u32)(*(MacAddr+2)) |
5256 (u32)(*(MacAddr+3)) << 8|
5257 (u32)(*(MacAddr+4)) << 16|
5258 (u32)(*(MacAddr+5)) << 24;
5259 write_nic_dword(dev, WCAMI, TargetContent);
5260 write_nic_dword(dev, RWCAM, TargetCommand);
5263 if (KeyContent != NULL) {
5264 write_nic_dword(dev, WCAMI, (u32)(*(KeyContent+i-2)));
5265 write_nic_dword(dev, RWCAM, TargetCommand);
5272 /***************************************************************************
5273 ------------------- module init / exit stubs ----------------
5274 ****************************************************************************/
5275 module_init(rtl8192_usb_module_init);
5276 module_exit(rtl8192_usb_module_exit);