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)
59 #define CONFIG_RTL8192_IO_MAP
61 #include <linux/uaccess.h>
62 #include "r8192U_hw.h"
64 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
65 #include "r8180_93cx6.h" /* Card EEPROM */
66 #include "r8192U_wx.h"
67 #include "r819xU_phy.h"
68 #include "r819xU_phyreg.h"
69 #include "r819xU_cmdpkt.h"
70 #include "r8192U_dm.h"
71 #include <linux/usb.h>
72 #include <linux/slab.h>
73 #include <linux/proc_fs.h>
74 #include <linux/seq_file.h>
75 /* FIXME: check if 2.6.7 is ok */
78 /* set here to open your trace code. */
79 u32 rt_global_debug_component = COMP_DOWN |
81 COMP_ERR; /* always open err flags on */
83 #define TOTAL_CAM_ENTRY 32
84 #define CAM_CONTENT_COUNT 8
86 static const struct usb_device_id rtl8192_usb_id_tbl[] = {
88 {USB_DEVICE(0x0bda, 0x8709)},
90 {USB_DEVICE(0x07aa, 0x0043)},
92 {USB_DEVICE(0x050d, 0x805E)},
94 {USB_DEVICE(0x0df6, 0x0031)},
96 {USB_DEVICE(0x1740, 0x9201)},
98 {USB_DEVICE(0x2001, 0x3301)},
100 {USB_DEVICE(0x5a57, 0x0290)},
102 {USB_DEVICE(0x043e, 0x7a01)},
106 MODULE_LICENSE("GPL");
107 MODULE_VERSION("V 1.1");
108 MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
109 MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
111 static char *ifname = "wlan%d";
112 static int hwwep = 1; /* default use hw. set 0 to use software security */
113 static int channels = 0x3fff;
117 module_param(ifname, charp, S_IRUGO | S_IWUSR);
118 module_param(hwwep, int, S_IRUGO | S_IWUSR);
119 module_param(channels, int, S_IRUGO | S_IWUSR);
121 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
122 MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
123 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
125 static int rtl8192_usb_probe(struct usb_interface *intf,
126 const struct usb_device_id *id);
127 static void rtl8192_usb_disconnect(struct usb_interface *intf);
130 static struct usb_driver rtl8192_usb_driver = {
131 .name = RTL819xU_MODULE_NAME, /* Driver name */
132 .id_table = rtl8192_usb_id_tbl, /* PCI_ID table */
133 .probe = rtl8192_usb_probe, /* probe fn */
134 .disconnect = rtl8192_usb_disconnect, /* remove fn */
135 .suspend = NULL, /* PM suspend fn */
136 .resume = NULL, /* PM resume fn */
140 struct CHANNEL_LIST {
145 static struct CHANNEL_LIST ChannelPlan[] = {
147 {{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},
149 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
151 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
152 /* Spain. Change to ETSI. */
153 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
154 /* France. Change to ETSI. */
155 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
157 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
159 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
161 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
162 /* For 11a , TELEC */
163 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
165 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
166 /* For Global Domain. 1-11:active scan, 12-14 passive scan. */
167 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
170 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
172 int i, max_chan = -1, min_chan = -1;
173 struct ieee80211_device *ieee = priv->ieee80211;
175 switch (channel_plan) {
176 case COUNTRY_CODE_FCC:
177 case COUNTRY_CODE_IC:
178 case COUNTRY_CODE_ETSI:
179 case COUNTRY_CODE_SPAIN:
180 case COUNTRY_CODE_FRANCE:
181 case COUNTRY_CODE_MKK:
182 case COUNTRY_CODE_MKK1:
183 case COUNTRY_CODE_ISRAEL:
184 case COUNTRY_CODE_TELEC:
185 case COUNTRY_CODE_MIC:
187 ieee->bGlobalDomain = false;
188 /* actually 8225 & 8256 rf chips only support B,G,24N mode */
189 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
194 "unknown rf chip, can't set channel map in function:%s()\n",
197 if (ChannelPlan[channel_plan].Len != 0) {
198 /* Clear old channel map */
199 memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
200 sizeof(GET_DOT11D_INFO(ieee)->channel_map));
201 /* Set new channel map */
202 for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
203 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
205 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
210 case COUNTRY_CODE_GLOBAL_DOMAIN:
211 /* this flag enabled to follow 11d country IE setting,
212 * otherwise, it shall follow global domain settings.
214 GET_DOT11D_INFO(ieee)->bEnabled = 0;
216 ieee->bGlobalDomain = true;
227 static void CamResetAllEntry(struct net_device *dev)
230 /* In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA
231 * associate to AP. However, ResetKey is called on
232 * OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest. In this
233 * condition, Cam can not be reset because upper layer will not set
234 * this static key again.
236 ulcommand |= BIT(31) | BIT(30);
237 write_nic_dword(dev, RWCAM, ulcommand);
241 void write_cam(struct net_device *dev, u8 addr, u32 data)
243 write_nic_dword(dev, WCAMI, data);
244 write_nic_dword(dev, RWCAM, BIT(31) | BIT(16) | (addr & 0xff));
247 u32 read_cam(struct net_device *dev, u8 addr)
251 write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff));
252 read_nic_dword(dev, 0xa8, &data);
256 void write_nic_byte_E(struct net_device *dev, int indx, u8 data)
259 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
260 struct usb_device *udev = priv->udev;
261 u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
267 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
268 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
269 indx | 0xfe00, 0, usbdata, 1, HZ / 2);
273 netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n",
277 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
280 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
281 struct usb_device *udev = priv->udev;
282 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
287 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
288 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
289 indx | 0xfe00, 0, usbdata, 1, HZ / 2);
294 netdev_err(dev, "%s failure status: %d\n", __func__, status);
301 /* as 92U has extend page from 4 to 16, so modify functions below. */
302 void write_nic_byte(struct net_device *dev, int indx, u8 data)
306 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
307 struct usb_device *udev = priv->udev;
308 u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
314 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
315 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
316 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
321 netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status);
325 void write_nic_word(struct net_device *dev, int indx, u16 data)
329 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
330 struct usb_device *udev = priv->udev;
331 u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
337 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
338 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
339 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
344 netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
348 void write_nic_dword(struct net_device *dev, int indx, u32 data)
352 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
353 struct usb_device *udev = priv->udev;
354 u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
360 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
361 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
362 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
368 netdev_err(dev, "write_nic_dword TimeOut! status: %d\n",
374 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
377 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
378 struct usb_device *udev = priv->udev;
379 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
384 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
385 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
386 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
392 netdev_err(dev, "%s failure status: %d\n", __func__, status);
401 int read_nic_word(struct net_device *dev, int indx, u16 *data)
404 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
405 struct usb_device *udev = priv->udev;
406 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
411 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
412 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
413 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
419 netdev_err(dev, "%s failure status: %d\n", __func__, status);
426 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
429 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
430 struct usb_device *udev = priv->udev;
431 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
436 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
437 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
438 indx | 0xfe00, 0, usbdata, 2, HZ / 2);
443 netdev_err(dev, "%s failure status: %d\n", __func__, status);
450 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
454 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
455 struct usb_device *udev = priv->udev;
456 u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
461 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
462 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
463 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
469 netdev_err(dev, "%s failure status: %d\n", __func__, status);
476 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
477 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
478 /* this might still called in what was the PHY rtl8185/rtl8192 common code
479 * plans are to possibility turn it again in one common code...
481 inline void force_pci_posting(struct net_device *dev)
485 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
486 static void rtl8192_restart(struct work_struct *work);
487 static void watch_dog_timer_callback(unsigned long data);
489 /****************************************************************************
490 * -----------------------------PROCFS STUFF-------------------------
491 *****************************************************************************
494 static struct proc_dir_entry *rtl8192_proc;
496 static int proc_get_stats_ap(struct seq_file *m, void *v)
498 struct net_device *dev = m->private;
499 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
500 struct ieee80211_device *ieee = priv->ieee80211;
501 struct ieee80211_network *target;
503 list_for_each_entry(target, &ieee->network_list, list) {
504 const char *wpa = "non_WPA";
506 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
509 seq_printf(m, "%s %s\n", target->ssid, wpa);
515 static int proc_get_registers(struct seq_file *m, void *v)
517 struct net_device *dev = m->private;
518 int i, n, max = 0xff;
521 seq_puts(m, "\n####################page 0##################\n ");
523 for (n = 0; n <= max;) {
524 seq_printf(m, "\nD: %2x > ", n);
526 for (i = 0; i < 16 && n <= max; i++, n++) {
527 read_nic_byte(dev, 0x000 | n, &byte_rd);
528 seq_printf(m, "%2x ", byte_rd);
532 seq_puts(m, "\n####################page 1##################\n ");
533 for (n = 0; n <= max;) {
534 seq_printf(m, "\nD: %2x > ", n);
536 for (i = 0; i < 16 && n <= max; i++, n++) {
537 read_nic_byte(dev, 0x100 | n, &byte_rd);
538 seq_printf(m, "%2x ", byte_rd);
542 seq_puts(m, "\n####################page 3##################\n ");
543 for (n = 0; n <= max;) {
544 seq_printf(m, "\nD: %2x > ", n);
546 for (i = 0; i < 16 && n <= max; i++, n++) {
547 read_nic_byte(dev, 0x300 | n, &byte_rd);
548 seq_printf(m, "%2x ", byte_rd);
556 static int proc_get_stats_tx(struct seq_file *m, void *v)
558 struct net_device *dev = m->private;
559 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
562 "TX VI priority ok int: %lu\n"
563 "TX VI priority error int: %lu\n"
564 "TX VO priority ok int: %lu\n"
565 "TX VO priority error int: %lu\n"
566 "TX BE priority ok int: %lu\n"
567 "TX BE priority error int: %lu\n"
568 "TX BK priority ok int: %lu\n"
569 "TX BK priority error int: %lu\n"
570 "TX MANAGE priority ok int: %lu\n"
571 "TX MANAGE priority error int: %lu\n"
572 "TX BEACON priority ok int: %lu\n"
573 "TX BEACON priority error int: %lu\n"
574 "TX queue resume: %lu\n"
575 "TX queue stopped?: %d\n"
576 "TX fifo overflow: %lu\n"
581 "TX VI dropped: %lu\n"
582 "TX VO dropped: %lu\n"
583 "TX BE dropped: %lu\n"
584 "TX BK dropped: %lu\n"
585 "TX total data packets %lu\n",
586 priv->stats.txviokint,
588 priv->stats.txvookint,
590 priv->stats.txbeokint,
592 priv->stats.txbkokint,
594 priv->stats.txmanageokint,
595 priv->stats.txmanageerr,
596 priv->stats.txbeaconokint,
597 priv->stats.txbeaconerr,
598 priv->stats.txresumed,
599 netif_queue_stopped(dev),
600 priv->stats.txoverflow,
601 atomic_read(&(priv->tx_pending[VI_PRIORITY])),
602 atomic_read(&(priv->tx_pending[VO_PRIORITY])),
603 atomic_read(&(priv->tx_pending[BE_PRIORITY])),
604 atomic_read(&(priv->tx_pending[BK_PRIORITY])),
605 priv->stats.txvidrop,
606 priv->stats.txvodrop,
607 priv->stats.txbedrop,
608 priv->stats.txbkdrop,
609 priv->stats.txdatapkt
615 static int proc_get_stats_rx(struct seq_file *m, void *v)
617 struct net_device *dev = m->private;
618 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
622 "RX urb status error: %lu\n"
623 "RX invalid urb error: %lu\n",
624 priv->stats.rxoktotal,
625 priv->stats.rxstaterr,
626 priv->stats.rxurberr);
631 static void rtl8192_proc_module_init(void)
633 RT_TRACE(COMP_INIT, "Initializing proc filesystem");
634 rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
638 * seq_file wrappers for procfile show routines.
640 static int rtl8192_proc_open(struct inode *inode, struct file *file)
642 struct net_device *dev = proc_get_parent_data(inode);
643 int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
645 return single_open(file, show, dev);
648 static const struct file_operations rtl8192_proc_fops = {
649 .open = rtl8192_proc_open,
652 .release = single_release,
656 * Table of proc files we need to create.
658 struct rtl8192_proc_file {
660 int (*show)(struct seq_file *, void *);
663 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
664 { "stats-rx", &proc_get_stats_rx },
665 { "stats-tx", &proc_get_stats_tx },
666 { "stats-ap", &proc_get_stats_ap },
667 { "registers", &proc_get_registers },
671 static void rtl8192_proc_init_one(struct net_device *dev)
673 const struct rtl8192_proc_file *f;
674 struct proc_dir_entry *dir;
677 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
680 "Unable to initialize /proc/net/rtl8192/%s\n",
685 for (f = rtl8192_proc_files; f->name[0]; f++) {
686 if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
687 &rtl8192_proc_fops, f->show)) {
689 "Unable to initialize /proc/net/rtl8192/%s/%s\n",
697 static void rtl8192_proc_remove_one(struct net_device *dev)
699 remove_proc_subtree(dev->name, rtl8192_proc);
702 /****************************************************************************
703 -----------------------------MISC STUFF-------------------------
704 *****************************************************************************/
706 short check_nic_enough_desc(struct net_device *dev, int queue_index)
708 struct r8192_priv *priv = ieee80211_priv(dev);
709 int used = atomic_read(&priv->tx_pending[queue_index]);
711 return (used < MAX_TX_URB);
714 static void tx_timeout(struct net_device *dev)
716 struct r8192_priv *priv = ieee80211_priv(dev);
718 schedule_work(&priv->reset_wq);
721 void rtl8192_update_msr(struct net_device *dev)
723 struct r8192_priv *priv = ieee80211_priv(dev);
726 read_nic_byte(dev, MSR, &msr);
727 msr &= ~MSR_LINK_MASK;
729 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
730 * msr must be updated if the state is ASSOCIATING.
731 * this is intentional and make sense for ad-hoc and
732 * master (see the create BSS/IBSS func)
734 if (priv->ieee80211->state == IEEE80211_LINKED) {
735 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
736 msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
737 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
738 msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
739 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
740 msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
743 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
746 write_nic_byte(dev, MSR, msr);
749 void rtl8192_set_chan(struct net_device *dev, short ch)
751 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
753 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
756 /* this hack should avoid frame TX during channel setting*/
758 /* need to implement rf set channel here */
760 if (priv->rf_set_chan)
761 priv->rf_set_chan(dev, priv->chan);
765 static void rtl8192_rx_isr(struct urb *urb);
767 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
769 return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
770 + pstats->RxBufShift);
773 static int rtl8192_rx_initiate(struct net_device *dev)
775 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
778 struct rtl8192_rx_info *info;
780 /* nomal packet rx procedure */
781 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
782 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
785 entry = usb_alloc_urb(0, GFP_KERNEL);
790 usb_fill_bulk_urb(entry, priv->udev,
791 usb_rcvbulkpipe(priv->udev, 3),
792 skb_tail_pointer(skb),
793 RX_URB_SIZE, rtl8192_rx_isr, skb);
794 info = (struct rtl8192_rx_info *)skb->cb;
797 info->out_pipe = 3; /* denote rx normal packet queue */
798 skb_queue_tail(&priv->rx_queue, skb);
799 usb_submit_urb(entry, GFP_KERNEL);
802 /* command packet rx procedure */
803 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
804 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
807 entry = usb_alloc_urb(0, GFP_KERNEL);
812 usb_fill_bulk_urb(entry, priv->udev,
813 usb_rcvbulkpipe(priv->udev, 9),
814 skb_tail_pointer(skb),
815 RX_URB_SIZE, rtl8192_rx_isr, skb);
816 info = (struct rtl8192_rx_info *)skb->cb;
819 info->out_pipe = 9; /* denote rx cmd packet queue */
820 skb_queue_tail(&priv->rx_queue, skb);
821 usb_submit_urb(entry, GFP_KERNEL);
827 void rtl8192_set_rxconf(struct net_device *dev)
829 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
832 read_nic_dword(dev, RCR, &rxconf);
833 rxconf = rxconf & ~MAC_FILTER_MASK;
834 rxconf = rxconf | RCR_AMF;
835 rxconf = rxconf | RCR_ADF;
836 rxconf = rxconf | RCR_AB;
837 rxconf = rxconf | RCR_AM;
839 if (dev->flags & IFF_PROMISC)
840 DMESG("NIC in promisc mode");
842 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
843 dev->flags & IFF_PROMISC) {
844 rxconf = rxconf | RCR_AAP;
846 rxconf = rxconf | RCR_APM;
847 rxconf = rxconf | RCR_CBSSID;
851 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
852 rxconf = rxconf | RCR_AICV;
853 rxconf = rxconf | RCR_APWRMGT;
856 if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
857 rxconf = rxconf | RCR_ACRC32;
860 rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
861 rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
862 rxconf = rxconf & ~MAX_RX_DMA_MASK;
863 rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
865 rxconf = rxconf | RCR_ONLYERLPKT;
867 write_nic_dword(dev, RCR, rxconf);
870 /* wait to be removed */
871 void rtl8192_rx_enable(struct net_device *dev)
873 rtl8192_rx_initiate(dev);
877 void rtl8192_tx_enable(struct net_device *dev)
883 void rtl8192_rtx_disable(struct net_device *dev)
886 struct r8192_priv *priv = ieee80211_priv(dev);
888 struct rtl8192_rx_info *info;
890 read_nic_byte(dev, CMDR, &cmd);
891 write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
892 force_pci_posting(dev);
895 while ((skb = __skb_dequeue(&priv->rx_queue))) {
896 info = (struct rtl8192_rx_info *)skb->cb;
900 usb_kill_urb(info->urb);
904 if (skb_queue_len(&priv->skb_queue))
905 netdev_warn(dev, "skb_queue not empty\n");
907 skb_queue_purge(&priv->skb_queue);
910 inline u16 ieeerate2rtlrate(int rate)
942 static u16 rtl_rate[] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540};
943 inline u16 rtl8192_rate2rate(short rate)
947 return rtl_rate[rate];
951 /* The prototype of rx_isr has changed since one version of Linux Kernel */
952 static void rtl8192_rx_isr(struct urb *urb)
954 struct sk_buff *skb = (struct sk_buff *)urb->context;
955 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
956 struct net_device *dev = info->dev;
957 struct r8192_priv *priv = ieee80211_priv(dev);
958 int out_pipe = info->out_pipe;
964 if (unlikely(urb->status)) {
966 priv->stats.rxstaterr++;
967 priv->ieee80211->stats.rx_errors++;
971 skb_unlink(skb, &priv->rx_queue);
972 skb_put(skb, urb->actual_length);
974 skb_queue_tail(&priv->skb_queue, skb);
975 tasklet_schedule(&priv->irq_rx_tasklet);
977 skb = dev_alloc_skb(RX_URB_SIZE);
978 if (unlikely(!skb)) {
980 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
981 /* TODO check rx queue length and refill *somewhere* */
985 usb_fill_bulk_urb(urb, priv->udev,
986 usb_rcvbulkpipe(priv->udev, out_pipe),
987 skb_tail_pointer(skb),
988 RX_URB_SIZE, rtl8192_rx_isr, skb);
990 info = (struct rtl8192_rx_info *)skb->cb;
993 info->out_pipe = out_pipe;
995 urb->transfer_buffer = skb_tail_pointer(skb);
997 skb_queue_tail(&priv->rx_queue, skb);
998 err = usb_submit_urb(urb, GFP_ATOMIC);
999 if (err && err != EPERM)
1001 "can not submit rxurb, err is %x, URB status is %x\n",
1005 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
1006 struct ieee80211_rx_stats *pstats)
1010 status = cmpk_message_handle_rx(dev, pstats);
1012 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
1018 static void rtl8192_data_hard_stop(struct net_device *dev)
1024 static void rtl8192_data_hard_resume(struct net_device *dev)
1029 /* this function TX data frames when the ieee80211 stack requires this.
1030 * It checks also if we need to stop the ieee tx queue, eventually do it
1032 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1035 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1037 unsigned long flags;
1038 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1039 u8 queue_index = tcb_desc->queue_index;
1041 /* shall not be referred by command packet */
1042 RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1044 spin_lock_irqsave(&priv->tx_lock, flags);
1046 *(struct net_device **)(skb->cb) = dev;
1047 tcb_desc->bTxEnableFwCalcDur = 1;
1048 skb_push(skb, priv->ieee80211->tx_headroom);
1049 ret = rtl8192_tx(dev, skb);
1051 spin_unlock_irqrestore(&priv->tx_lock, flags);
1054 /* This is a rough attempt to TX a frame
1055 * This is called by the ieee 80211 stack to TX management frames.
1056 * If the ring is full packet are dropped (for data frame the queue
1057 * is stopped before this can happen).
1059 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1061 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1063 unsigned long flags;
1064 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1065 u8 queue_index = tcb_desc->queue_index;
1068 spin_lock_irqsave(&priv->tx_lock, flags);
1070 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1071 if (queue_index == TXCMD_QUEUE) {
1072 skb_push(skb, USB_HWDESC_HEADER_LEN);
1073 rtl819xU_tx_cmd(dev, skb);
1076 skb_push(skb, priv->ieee80211->tx_headroom);
1077 ret = rtl8192_tx(dev, skb);
1080 spin_unlock_irqrestore(&priv->tx_lock, flags);
1085 static void rtl8192_tx_isr(struct urb *tx_urb)
1087 struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1088 struct net_device *dev;
1089 struct r8192_priv *priv = NULL;
1096 dev = *(struct net_device **)(skb->cb);
1097 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1098 queue_index = tcb_desc->queue_index;
1100 priv = ieee80211_priv(dev);
1102 if (tcb_desc->queue_index != TXCMD_QUEUE) {
1103 if (tx_urb->status == 0) {
1104 netif_trans_update(dev);
1105 priv->stats.txoktotal++;
1106 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1107 priv->stats.txbytesunicast +=
1108 (skb->len - priv->ieee80211->tx_headroom);
1110 priv->ieee80211->stats.tx_errors++;
1115 /* free skb and tx_urb */
1116 dev_kfree_skb_any(skb);
1117 usb_free_urb(tx_urb);
1118 atomic_dec(&priv->tx_pending[queue_index]);
1122 * We had transfer our beacon frame to host controller at this moment.
1126 * Handling the wait queue of command packets.
1127 * For Tx command packets, we must not do TCB fragment because it is
1128 * not handled right now. We must cut the packets to match the size of
1129 * TX_CMD_PKT before we send it.
1132 /* Handle MPDU in wait queue. */
1133 if (queue_index != BEACON_QUEUE) {
1134 /* Don't send data frame during scanning.*/
1135 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1136 (!(priv->ieee80211->queue_stop))) {
1137 skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1139 priv->ieee80211->softmac_hard_start_xmit(skb,
1142 return; /* avoid further processing AMSDU */
1147 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1149 struct r8192_priv *priv = ieee80211_priv(dev);
1150 struct ieee80211_network *net;
1151 u8 i = 0, basic_rate = 0;
1153 net = &priv->ieee80211->current_network;
1155 for (i = 0; i < net->rates_len; i++) {
1156 basic_rate = net->rates[i] & 0x7f;
1157 switch (basic_rate) {
1159 *rate_config |= RRSR_1M;
1162 *rate_config |= RRSR_2M;
1165 *rate_config |= RRSR_5_5M;
1168 *rate_config |= RRSR_11M;
1171 *rate_config |= RRSR_6M;
1174 *rate_config |= RRSR_9M;
1177 *rate_config |= RRSR_12M;
1180 *rate_config |= RRSR_18M;
1183 *rate_config |= RRSR_24M;
1186 *rate_config |= RRSR_36M;
1189 *rate_config |= RRSR_48M;
1192 *rate_config |= RRSR_54M;
1196 for (i = 0; i < net->rates_ex_len; i++) {
1197 basic_rate = net->rates_ex[i] & 0x7f;
1198 switch (basic_rate) {
1200 *rate_config |= RRSR_1M;
1203 *rate_config |= RRSR_2M;
1206 *rate_config |= RRSR_5_5M;
1209 *rate_config |= RRSR_11M;
1212 *rate_config |= RRSR_6M;
1215 *rate_config |= RRSR_9M;
1218 *rate_config |= RRSR_12M;
1221 *rate_config |= RRSR_18M;
1224 *rate_config |= RRSR_24M;
1227 *rate_config |= RRSR_36M;
1230 *rate_config |= RRSR_48M;
1233 *rate_config |= RRSR_54M;
1240 #define SHORT_SLOT_TIME 9
1241 #define NON_SHORT_SLOT_TIME 20
1243 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1246 struct r8192_priv *priv = ieee80211_priv(dev);
1247 struct ieee80211_network *net = &priv->ieee80211->current_network;
1249 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1250 tmp = priv->basic_rate;
1251 if (priv->short_preamble)
1252 tmp |= BRSR_AckShortPmb;
1253 write_nic_dword(dev, RRSR, tmp);
1255 if (net->mode & (IEEE_G | IEEE_N_24G)) {
1258 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1259 (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1260 /* short slot time */
1261 slot_time = SHORT_SLOT_TIME;
1262 else /* long slot time */
1263 slot_time = NON_SHORT_SLOT_TIME;
1264 priv->slot_time = slot_time;
1265 write_nic_byte(dev, SLOT_TIME, slot_time);
1269 static void rtl8192_net_update(struct net_device *dev)
1271 struct r8192_priv *priv = ieee80211_priv(dev);
1272 struct ieee80211_network *net;
1273 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1274 u16 rate_config = 0;
1276 net = &priv->ieee80211->current_network;
1278 rtl8192_config_rate(dev, &rate_config);
1279 priv->basic_rate = rate_config & 0x15f;
1281 write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1282 write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1284 rtl8192_update_msr(dev);
1285 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1286 write_nic_word(dev, ATIMWND, 2);
1287 write_nic_word(dev, BCN_DMATIME, 1023);
1288 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1289 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1290 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1291 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1292 /* TODO: BcnIFS may required to be changed on ASIC */
1293 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1295 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1299 /* temporary hw beacon is not used any more.
1300 * open it when necessary
1302 void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate)
1307 inline u8 rtl8192_IsWirelessBMode(u16 rate)
1309 if (((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220))
1315 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1317 struct r8192_priv *priv = ieee80211_priv(dev);
1320 unsigned int idx_pipe;
1321 tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1322 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1323 u8 queue_index = tcb_desc->queue_index;
1325 atomic_inc(&priv->tx_pending[queue_index]);
1326 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1332 memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1333 /* Tx descriptor ought to be set according to the skb->cb */
1334 pdesc->FirstSeg = 1;
1336 pdesc->CmdInit = tcb_desc->bCmdOrInit;
1337 pdesc->TxBufferSize = tcb_desc->txbuf_size;
1339 pdesc->LINIP = tcb_desc->bLastIniPkt;
1341 /*---------------------------------------------------------------------
1342 * Fill up USB_OUT_CONTEXT.
1343 *---------------------------------------------------------------------
1346 usb_fill_bulk_urb(tx_urb, priv->udev,
1347 usb_sndbulkpipe(priv->udev, idx_pipe),
1348 skb->data, skb->len, rtl8192_tx_isr, skb);
1350 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1355 DMESGE("Error TX CMD URB, error %d", status);
1360 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1361 * in TxFwInfo data structure
1362 * 2006.10.30 by Emily
1364 * \param QUEUEID Software Queue
1366 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1368 u8 QueueSelect = 0x0; /* default set to */
1372 QueueSelect = QSLT_BE;
1376 QueueSelect = QSLT_BK;
1380 QueueSelect = QSLT_VO;
1384 QueueSelect = QSLT_VI;
1387 QueueSelect = QSLT_MGNT;
1391 QueueSelect = QSLT_BEACON;
1394 /* TODO: mark other queue selection until we verify it is OK */
1395 /* TODO: Remove Assertions */
1397 QueueSelect = QSLT_CMD;
1400 QueueSelect = QSLT_HIGH;
1405 "TransmitTCB(): Impossible Queue Selection: %d\n",
1412 static u8 MRateToHwRate8190Pci(u8 rate)
1414 u8 ret = DESC90_RATE1M;
1418 ret = DESC90_RATE1M;
1421 ret = DESC90_RATE2M;
1424 ret = DESC90_RATE5_5M;
1427 ret = DESC90_RATE11M;
1430 ret = DESC90_RATE6M;
1433 ret = DESC90_RATE9M;
1436 ret = DESC90_RATE12M;
1439 ret = DESC90_RATE18M;
1442 ret = DESC90_RATE24M;
1445 ret = DESC90_RATE36M;
1448 ret = DESC90_RATE48M;
1451 ret = DESC90_RATE54M;
1454 /* HT rate since here */
1456 ret = DESC90_RATEMCS0;
1459 ret = DESC90_RATEMCS1;
1462 ret = DESC90_RATEMCS2;
1465 ret = DESC90_RATEMCS3;
1468 ret = DESC90_RATEMCS4;
1471 ret = DESC90_RATEMCS5;
1474 ret = DESC90_RATEMCS6;
1477 ret = DESC90_RATEMCS7;
1480 ret = DESC90_RATEMCS8;
1483 ret = DESC90_RATEMCS9;
1486 ret = DESC90_RATEMCS10;
1489 ret = DESC90_RATEMCS11;
1492 ret = DESC90_RATEMCS12;
1495 ret = DESC90_RATEMCS13;
1498 ret = DESC90_RATEMCS14;
1501 ret = DESC90_RATEMCS15;
1504 ret = DESC90_RATEMCS32;
1514 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1518 tmp_Short = (TxHT == 1) ?
1519 ((tcb_desc->bUseShortGI) ? 1 : 0) :
1520 ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1522 if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1528 static void tx_zero_isr(struct urb *tx_urb)
1533 * The tx procedure is just as following,
1534 * skb->cb will contain all the following information,
1535 * priority, morefrag, rate, &dev.
1537 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1539 struct r8192_priv *priv = ieee80211_priv(dev);
1540 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1541 tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1542 tx_fwinfo_819x_usb *tx_fwinfo =
1543 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1544 struct usb_device *udev = priv->udev;
1547 struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1548 unsigned int idx_pipe;
1550 pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1551 /* we are locked here so the two atomic_read and inc are executed
1552 * without interleaves
1553 * !!! For debug purpose
1555 if (pend > MAX_TX_URB) {
1556 netdev_dbg(dev, "To discard skb packet!\n");
1557 dev_kfree_skb_any(skb);
1561 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1563 dev_kfree_skb_any(skb);
1567 /* Fill Tx firmware info */
1568 memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1570 tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1571 tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1572 tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1573 tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1575 if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1576 tx_fwinfo->AllowAggregation = 1;
1578 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1579 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1581 tx_fwinfo->AllowAggregation = 0;
1583 tx_fwinfo->RxMF = 0;
1584 tx_fwinfo->RxAMD = 0;
1587 /* Protection mode related */
1588 tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1589 tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1590 tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1591 tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1592 tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1593 tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1594 tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1595 tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1596 (tcb_desc->bRTSUseShortGI ? 1 : 0);
1598 /* Set Bandwidth and sub-channel settings. */
1599 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1600 if (tcb_desc->bPacketBW) {
1601 tx_fwinfo->TxBandwidth = 1;
1602 /* use duplicated mode */
1603 tx_fwinfo->TxSubCarrier = 0;
1605 tx_fwinfo->TxBandwidth = 0;
1606 tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1609 tx_fwinfo->TxBandwidth = 0;
1610 tx_fwinfo->TxSubCarrier = 0;
1613 /* Fill Tx descriptor */
1614 memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1617 tx_desc->CmdInit = 1;
1618 tx_desc->Offset = sizeof(tx_fwinfo_819x_usb) + 8;
1619 tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1622 tx_desc->SecCAMID = 0;
1623 tx_desc->RATid = tcb_desc->RATRIndex;
1625 tx_desc->SecType = 0x0;
1626 if (tcb_desc->bHwSec) {
1627 switch (priv->ieee80211->pairwise_key_type) {
1628 case KEY_TYPE_WEP40:
1629 case KEY_TYPE_WEP104:
1630 tx_desc->SecType = 0x1;
1634 tx_desc->SecType = 0x2;
1638 tx_desc->SecType = 0x3;
1642 tx_desc->SecType = 0x0;
1648 tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1649 tx_desc->TxFWInfoSize = sizeof(tx_fwinfo_819x_usb);
1651 tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1652 tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1654 /* Fill fields that are required to be initialized in
1655 * all of the descriptors
1658 tx_desc->FirstSeg = 1;
1659 tx_desc->LastSeg = 1;
1663 tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1666 /* To submit bulk urb */
1667 usb_fill_bulk_urb(tx_urb, udev,
1668 usb_sndbulkpipe(udev, idx_pipe), skb->data,
1669 skb->len, rtl8192_tx_isr, skb);
1671 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1673 /* We need to send 0 byte packet whenever
1674 * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1675 * been transmitted. Otherwise, it will be halt to wait for
1678 bool bSend0Byte = false;
1681 if (udev->speed == USB_SPEED_HIGH) {
1682 if (skb->len > 0 && skb->len % 512 == 0)
1685 if (skb->len > 0 && skb->len % 64 == 0)
1689 tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1692 "can't alloc urb for zero byte\n");
1695 usb_fill_bulk_urb(tx_urb_zero, udev,
1696 usb_sndbulkpipe(udev, idx_pipe),
1697 &zero, 0, tx_zero_isr, dev);
1698 status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1701 "Error TX URB for zero byte %d, error %d",
1702 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1707 netif_trans_update(dev);
1708 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1712 RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1713 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1718 static short rtl8192_usb_initendpoints(struct net_device *dev)
1720 struct r8192_priv *priv = ieee80211_priv(dev);
1722 priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1727 #ifndef JACKSON_NEW_RX
1728 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1729 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1731 priv->rx_urb[i]->transfer_buffer =
1732 kmalloc(RX_URB_SIZE, GFP_KERNEL);
1734 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1738 #ifdef THOMAS_BEACON
1741 void *oldaddr, *newaddr;
1743 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1744 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1745 oldaddr = priv->oldaddr;
1746 align = ((long)oldaddr) & 3;
1748 newaddr = oldaddr + 4 - align;
1749 priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1752 priv->rx_urb[16]->transfer_buffer_length = 16;
1754 priv->rx_urb[16]->transfer_buffer = newaddr;
1758 memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1759 priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1761 if (!priv->pp_rxskb) {
1762 kfree(priv->rx_urb);
1764 priv->pp_rxskb = NULL;
1765 priv->rx_urb = NULL;
1767 DMESGE("Endpoint Alloc Failure");
1771 netdev_dbg(dev, "End of initendpoints\n");
1775 #ifdef THOMAS_BEACON
1776 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1779 struct r8192_priv *priv = ieee80211_priv(dev);
1782 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1783 usb_kill_urb(priv->rx_urb[i]);
1784 usb_free_urb(priv->rx_urb[i]);
1786 kfree(priv->rx_urb);
1787 priv->rx_urb = NULL;
1789 kfree(priv->oldaddr);
1790 priv->oldaddr = NULL;
1792 kfree(priv->pp_rxskb);
1793 priv->pp_rxskb = NULL;
1796 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1799 struct r8192_priv *priv = ieee80211_priv(dev);
1801 #ifndef JACKSON_NEW_RX
1804 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1805 usb_kill_urb(priv->rx_urb[i]);
1806 kfree(priv->rx_urb[i]->transfer_buffer);
1807 usb_free_urb(priv->rx_urb[i]);
1809 kfree(priv->rx_urb);
1810 priv->rx_urb = NULL;
1813 kfree(priv->rx_urb);
1814 priv->rx_urb = NULL;
1815 kfree(priv->oldaddr);
1816 priv->oldaddr = NULL;
1818 kfree(priv->pp_rxskb);
1825 static void rtl8192_update_ratr_table(struct net_device *dev);
1826 static void rtl8192_link_change(struct net_device *dev)
1828 struct r8192_priv *priv = ieee80211_priv(dev);
1829 struct ieee80211_device *ieee = priv->ieee80211;
1831 if (ieee->state == IEEE80211_LINKED) {
1832 rtl8192_net_update(dev);
1833 rtl8192_update_ratr_table(dev);
1834 /* Add this as in pure N mode, wep encryption will use software
1835 * way, but there is no chance to set this as wep will not set
1836 * group key in wext.
1838 if (KEY_TYPE_WEP40 == ieee->pairwise_key_type ||
1839 KEY_TYPE_WEP104 == ieee->pairwise_key_type)
1840 EnableHWSecurityConfig8192(dev);
1842 /*update timing params*/
1843 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1846 read_nic_dword(dev, RCR, ®);
1847 if (priv->ieee80211->state == IEEE80211_LINKED)
1848 priv->ReceiveConfig = reg |= RCR_CBSSID;
1850 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1851 write_nic_dword(dev, RCR, reg);
1855 static struct ieee80211_qos_parameters def_qos_parameters = {
1856 {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1857 {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1858 {2, 2, 2, 2},/* aifs */
1859 {0, 0, 0, 0},/* flags */
1860 {0, 0, 0, 0} /* tx_op_limit */
1864 static void rtl8192_update_beacon(struct work_struct *work)
1866 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1867 update_beacon_wq.work);
1868 struct net_device *dev = priv->ieee80211->dev;
1869 struct ieee80211_device *ieee = priv->ieee80211;
1870 struct ieee80211_network *net = &ieee->current_network;
1872 if (ieee->pHTInfo->bCurrentHTSupport)
1873 HTUpdateSelfAndPeerSetting(ieee, net);
1874 ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1875 net->bssht.bdRT2RTLongSlotTime;
1876 rtl8192_update_cap(dev, net->capability);
1880 * background support to run QoS activate functionality
1882 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1883 EDCAPARA_VI, EDCAPARA_VO};
1884 static void rtl8192_qos_activate(struct work_struct *work)
1886 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1888 struct net_device *dev = priv->ieee80211->dev;
1889 struct ieee80211_qos_parameters *qos_parameters =
1890 &priv->ieee80211->current_network.qos_data.parameters;
1891 u8 mode = priv->ieee80211->current_network.mode;
1899 mutex_lock(&priv->mutex);
1900 if (priv->ieee80211->state != IEEE80211_LINKED)
1903 "qos active process with associate response received\n");
1904 /* It better set slot time at first
1906 * For we just support b/g mode at present, let the slot time at
1909 * update the ac parameter to related registers
1911 for (i = 0; i < QOS_QUEUE_NUM; i++) {
1912 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1913 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1914 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1915 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1916 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1917 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1918 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1919 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1920 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1921 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1922 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1926 mutex_unlock(&priv->mutex);
1929 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1931 struct ieee80211_network *network)
1934 u32 size = sizeof(struct ieee80211_qos_parameters);
1936 if (priv->ieee80211->state != IEEE80211_LINKED)
1939 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1942 if (network->flags & NETWORK_HAS_QOS_MASK) {
1943 if (active_network &&
1944 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1945 network->qos_data.active = network->qos_data.supported;
1947 if ((network->qos_data.active == 1) && (active_network == 1) &&
1948 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1949 (network->qos_data.old_param_count !=
1950 network->qos_data.param_count)) {
1951 network->qos_data.old_param_count =
1952 network->qos_data.param_count;
1953 schedule_work(&priv->qos_activate);
1955 "QoS parameters change call qos_activate\n");
1958 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1959 &def_qos_parameters, size);
1961 if ((network->qos_data.active == 1) && (active_network == 1)) {
1962 schedule_work(&priv->qos_activate);
1964 "QoS was disabled call qos_activate\n");
1966 network->qos_data.active = 0;
1967 network->qos_data.supported = 0;
1973 /* handle and manage frame from beacon and probe response */
1974 static int rtl8192_handle_beacon(struct net_device *dev,
1975 struct ieee80211_beacon *beacon,
1976 struct ieee80211_network *network)
1978 struct r8192_priv *priv = ieee80211_priv(dev);
1980 rtl8192_qos_handle_probe_response(priv, 1, network);
1981 schedule_delayed_work(&priv->update_beacon_wq, 0);
1986 * handling the beaconing responses. if we get different QoS setting
1987 * off the network from the associated setting, adjust the QoS
1990 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1991 struct ieee80211_network *network)
1993 unsigned long flags;
1994 u32 size = sizeof(struct ieee80211_qos_parameters);
1995 int set_qos_param = 0;
1997 if (!priv || !network)
2000 if (priv->ieee80211->state != IEEE80211_LINKED)
2003 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
2006 spin_lock_irqsave(&priv->ieee80211->lock, flags);
2007 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
2008 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2009 &network->qos_data.parameters,
2010 sizeof(struct ieee80211_qos_parameters));
2011 priv->ieee80211->current_network.qos_data.active = 1;
2013 /* update qos parameter for current network */
2014 priv->ieee80211->current_network.qos_data.old_param_count =
2015 priv->ieee80211->current_network.qos_data.param_count;
2016 priv->ieee80211->current_network.qos_data.param_count =
2017 network->qos_data.param_count;
2019 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2020 &def_qos_parameters, size);
2021 priv->ieee80211->current_network.qos_data.active = 0;
2022 priv->ieee80211->current_network.qos_data.supported = 0;
2026 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
2028 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
2030 priv->ieee80211->current_network.qos_data.active);
2031 if (set_qos_param == 1)
2032 schedule_work(&priv->qos_activate);
2039 static int rtl8192_handle_assoc_response(
2040 struct net_device *dev,
2041 struct ieee80211_assoc_response_frame *resp,
2042 struct ieee80211_network *network)
2044 struct r8192_priv *priv = ieee80211_priv(dev);
2046 rtl8192_qos_association_resp(priv, network);
2051 static void rtl8192_update_ratr_table(struct net_device *dev)
2053 struct r8192_priv *priv = ieee80211_priv(dev);
2054 struct ieee80211_device *ieee = priv->ieee80211;
2055 u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2059 rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2060 ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2061 switch (ieee->mode) {
2063 ratr_value &= 0x00000FF0;
2066 ratr_value &= 0x0000000F;
2069 ratr_value &= 0x00000FF7;
2073 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2074 ratr_value &= 0x0007F007;
2076 if (priv->rf_type == RF_1T2R)
2077 ratr_value &= 0x000FF007;
2079 ratr_value &= 0x0F81F007;
2085 ratr_value &= 0x0FFFFFFF;
2086 if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2087 ratr_value |= 0x80000000;
2088 else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2089 ieee->pHTInfo->bCurShortGI20MHz)
2090 ratr_value |= 0x80000000;
2091 write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2092 write_nic_byte(dev, UFWP, 1);
2095 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2096 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2097 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2099 struct r8192_priv *priv = ieee80211_priv(dev);
2100 struct ieee80211_device *ieee = priv->ieee80211;
2101 struct ieee80211_network *network = &ieee->current_network;
2102 int wpa_ie_len = ieee->wpa_ie_len;
2103 struct ieee80211_crypt_data *crypt;
2106 crypt = ieee->crypt[ieee->tx_keyidx];
2107 /* we use connecting AP's capability instead of only security config
2108 * on our driver to distinguish whether it should use N mode or G mode
2110 encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2111 (ieee->host_encrypt && crypt && crypt->ops &&
2112 (0 == strcmp(crypt->ops->name, "WEP")));
2115 if (encrypt && (wpa_ie_len == 0)) {
2116 /* wep encryption, no N mode setting */
2118 } else if ((wpa_ie_len != 0)) {
2119 /* parse pairwise key type */
2120 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))))
2131 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2133 struct r8192_priv *priv = ieee80211_priv(dev);
2135 return priv->ieee80211->bHalfWirelessN24GMode;
2138 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2140 struct ieee80211_device *ieee = priv->ieee80211;
2141 /* We do not consider set support rate for ABG mode, only
2142 * HT MCS rate is set here.
2144 if (ieee->mode == WIRELESS_MODE_N_24G ||
2145 ieee->mode == WIRELESS_MODE_N_5G)
2146 memcpy(ieee->Regdot11HTOperationalRateSet,
2147 ieee->RegHTSuppRateSet, 16);
2149 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2152 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2154 struct r8192_priv *priv = ieee80211_priv(dev);
2157 switch (priv->rf_chip) {
2161 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2164 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2167 ret = WIRELESS_MODE_B;
2173 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2175 struct r8192_priv *priv = ieee80211_priv(dev);
2176 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2178 if (wireless_mode == WIRELESS_MODE_AUTO ||
2179 (wireless_mode & bSupportMode) == 0) {
2180 if (bSupportMode & WIRELESS_MODE_N_24G) {
2181 wireless_mode = WIRELESS_MODE_N_24G;
2182 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2183 wireless_mode = WIRELESS_MODE_N_5G;
2184 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2185 wireless_mode = WIRELESS_MODE_A;
2186 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2187 wireless_mode = WIRELESS_MODE_G;
2188 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2189 wireless_mode = WIRELESS_MODE_B;
2192 "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2193 __func__, bSupportMode);
2194 wireless_mode = WIRELESS_MODE_B;
2198 /* TODO: this function doesn't work well at this time,
2199 * we should wait for FPGA
2201 ActUpdateChannelAccessSetting(
2202 pAdapter, pHalData->CurrentWirelessMode,
2203 &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2205 priv->ieee80211->mode = wireless_mode;
2207 if (wireless_mode == WIRELESS_MODE_N_24G ||
2208 wireless_mode == WIRELESS_MODE_N_5G)
2209 priv->ieee80211->pHTInfo->bEnableHT = 1;
2211 priv->ieee80211->pHTInfo->bEnableHT = 0;
2212 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2213 rtl8192_refresh_supportrate(priv);
2216 /* init priv variables here. only non_zero value should be initialized here. */
2217 static void rtl8192_init_priv_variable(struct net_device *dev)
2219 struct r8192_priv *priv = ieee80211_priv(dev);
2222 priv->card_8192 = NIC_8192U;
2223 priv->chan = 1; /* set to channel 1 */
2224 priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2225 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2226 priv->ieee80211->ieee_up = 0;
2227 priv->retry_rts = DEFAULT_RETRY_RTS;
2228 priv->retry_data = DEFAULT_RETRY_DATA;
2229 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2230 priv->ieee80211->rate = 110; /* 11 mbps */
2231 priv->ieee80211->short_slot = 1;
2232 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2234 /* for silent reset */
2235 priv->IrpPendingCount = 1;
2236 priv->ResetProgress = RESET_TYPE_NORESET;
2237 priv->bForcedSilentReset = false;
2238 priv->bDisableNormalResetCheck = false;
2239 priv->force_reset = false;
2241 /* we don't use FW read/write RF until stable firmware is available. */
2242 priv->ieee80211->FwRWRF = 0;
2243 priv->ieee80211->current_network.beacon_interval =
2244 DEFAULT_BEACONINTERVAL;
2245 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
2246 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2247 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2248 IEEE_SOFTMAC_BEACONS;
2250 priv->ieee80211->active_scan = 1;
2251 priv->ieee80211->modulation =
2252 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2253 priv->ieee80211->host_encrypt = 1;
2254 priv->ieee80211->host_decrypt = 1;
2255 priv->ieee80211->start_send_beacons = NULL;
2256 priv->ieee80211->stop_send_beacons = NULL;
2257 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2258 priv->ieee80211->set_chan = rtl8192_set_chan;
2259 priv->ieee80211->link_change = rtl8192_link_change;
2260 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2261 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2262 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2263 priv->ieee80211->init_wmmparam_flag = 0;
2264 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2265 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2266 priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2267 priv->ieee80211->qos_support = 1;
2269 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2270 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2271 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2273 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2274 priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2275 GetHalfNmodeSupportByAPs819xUsb;
2276 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2278 priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2279 priv->card_type = USB;
2281 if (Adapter->bInHctTest) {
2282 pHalData->ShortRetryLimit = 7;
2283 pHalData->LongRetryLimit = 7;
2286 priv->ShortRetryLimit = 0x30;
2287 priv->LongRetryLimit = 0x30;
2288 priv->EarlyRxThreshold = 7;
2289 priv->enable_gpio0 = 0;
2290 priv->TransmitConfig =
2291 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2292 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET) |
2293 /* Short retry limit */
2294 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2295 /* Long retry limit */
2296 (priv->LongRetryLimit << TCR_LRL_OFFSET) |
2297 /* FALSE: HW provides PLCP length and LENGEXT
2298 * TRUE: SW provides them
2300 (false ? TCR_SAT : 0);
2302 if (Adapter->bInHctTest)
2303 pHalData->ReceiveConfig =
2304 pHalData->CSMethod |
2305 /* accept management/data */
2307 /* accept control frame for SW
2311 /* accept BC/MC/UC */
2312 RCR_AB | RCR_AM | RCR_APM |
2313 /* accept ICV/CRC error
2316 RCR_AICV | RCR_ACRC32 |
2317 /* Max DMA Burst Size per Tx
2318 * DMA Burst, 7: unlimited.
2320 ((u32)7 << RCR_MXDMA_OFFSET) |
2321 /* Rx FIFO Threshold,
2322 * 7: No Rx threshold.
2324 (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2325 (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2329 priv->ReceiveConfig =
2330 /* accept management/data */
2332 /* accept control frame for SW AP needs PS-poll */
2334 /* accept BC/MC/UC */
2335 RCR_AB | RCR_AM | RCR_APM |
2336 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2337 ((u32)7 << RCR_MXDMA_OFFSET) |
2338 /* Rx FIFO Threshold, 7: No Rx threshold. */
2339 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2340 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2342 priv->AcmControl = 0;
2343 priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2345 /* rx related queue */
2346 skb_queue_head_init(&priv->rx_queue);
2347 skb_queue_head_init(&priv->skb_queue);
2349 /* Tx related queue */
2350 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2351 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2352 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2353 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2354 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2355 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2356 priv->rf_set_chan = rtl8192_phy_SwChnl;
2359 /* init lock here */
2360 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2362 spin_lock_init(&priv->tx_lock);
2363 spin_lock_init(&priv->irq_lock);
2364 sema_init(&priv->wx_sem, 1);
2365 sema_init(&priv->rf_sem, 1);
2366 mutex_init(&priv->mutex);
2369 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2371 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2372 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2373 #define DRV_NAME "wlan0"
2374 static void rtl8192_init_priv_task(struct net_device *dev)
2376 struct r8192_priv *priv = ieee80211_priv(dev);
2379 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2381 INIT_DELAYED_WORK(&priv->watch_dog_wq,
2382 rtl819x_watchdog_wqcallback);
2383 INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2384 dm_txpower_trackingcallback);
2385 INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2386 dm_rf_pathcheck_workitemcallback);
2387 INIT_DELAYED_WORK(&priv->update_beacon_wq,
2388 rtl8192_update_beacon);
2389 INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2390 InitialGainOperateWorkItemCallBack);
2391 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2393 tasklet_init(&priv->irq_rx_tasklet,
2394 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2395 (unsigned long)priv);
2398 static void rtl8192_get_eeprom_size(struct net_device *dev)
2401 struct r8192_priv *priv = ieee80211_priv(dev);
2403 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2404 read_nic_word_E(dev, EPROM_CMD, &curCR);
2405 RT_TRACE(COMP_EPROM,
2406 "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2407 /* whether need I consider BIT(5?) */
2409 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2410 RT_TRACE(COMP_EPROM,
2411 "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2414 /* used to swap endian. as ntohl & htonl are not necessary
2415 * to swap endian, so use this instead.
2417 static inline u16 endian_swap(u16 *data)
2420 *data = (tmp >> 8) | (tmp << 8);
2424 static void rtl8192_read_eeprom_info(struct net_device *dev)
2427 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2428 u8 bLoad_From_EEPOM = false;
2429 struct r8192_priv *priv = ieee80211_priv(dev);
2433 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2434 wEPROM_ID = eprom_read(dev, 0); /* first read EEPROM ID out; */
2435 RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2437 if (wEPROM_ID != RTL8190_EEPROM_ID)
2439 "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2440 wEPROM_ID, RTL8190_EEPROM_ID);
2442 bLoad_From_EEPOM = true;
2444 if (bLoad_From_EEPOM) {
2445 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2446 priv->eeprom_vid = endian_swap(&tmpValue);
2447 priv->eeprom_pid = eprom_read(dev, EEPROM_PID >> 1);
2448 tmpValue = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2449 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2450 priv->btxpowerdata_readfromEEPORM = true;
2451 priv->eeprom_CustomerID =
2452 eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2454 priv->eeprom_vid = 0;
2455 priv->eeprom_pid = 0;
2456 priv->card_8192_version = VERSION_819xU_B;
2457 priv->eeprom_ChannelPlan = 0;
2458 priv->eeprom_CustomerID = 0;
2460 RT_TRACE(COMP_EPROM,
2461 "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2462 priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2463 priv->eeprom_ChannelPlan);
2464 /* set channelplan from eeprom */
2465 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2466 if (bLoad_From_EEPOM) {
2469 for (i = 0; i < 6; i += 2) {
2472 tmp = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2473 *(u16 *)(&dev->dev_addr[i]) = tmp;
2476 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2477 /* should I set IDR0 here? */
2479 RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2480 priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2481 priv->rf_chip = RF_8256;
2483 if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2484 /* read Tx power gain offset of legacy OFDM to HT rate */
2485 if (bLoad_From_EEPOM)
2486 priv->EEPROMTxPowerDiff = (eprom_read(dev, (EEPROM_TxPowerDiff >> 1)) & 0xff00) >> 8;
2488 priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2489 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2490 /* read ThermalMeter from EEPROM */
2491 if (bLoad_From_EEPOM)
2492 priv->EEPROMThermalMeter = (u8)(eprom_read(dev, (EEPROM_ThermalMeter >> 1)) & 0x00ff);
2494 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2495 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2496 /* for tx power track */
2497 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2498 /* read antenna tx power offset of B/C/D to A from EEPROM */
2499 if (bLoad_From_EEPOM)
2500 priv->EEPROMPwDiff = (eprom_read(dev, (EEPROM_PwDiff >> 1)) & 0x0f00) >> 8;
2502 priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2503 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2504 /* Read CrystalCap from EEPROM */
2505 if (bLoad_From_EEPOM)
2506 priv->EEPROMCrystalCap = (eprom_read(dev, (EEPROM_CrystalCap >> 1)) & 0x0f);
2508 priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2509 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2510 /* get per-channel Tx power level */
2511 if (bLoad_From_EEPOM)
2512 priv->EEPROM_Def_Ver = (eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1)) & 0xff00) >> 8;
2514 priv->EEPROM_Def_Ver = 1;
2515 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2516 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2519 if (bLoad_From_EEPOM)
2520 priv->EEPROMTxPowerLevelCCK = (eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1)) & 0xff) >> 8;
2522 priv->EEPROMTxPowerLevelCCK = 0x10;
2523 RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2524 for (i = 0; i < 3; i++) {
2525 if (bLoad_From_EEPOM) {
2526 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2527 if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2528 tmpValue = tmpValue & 0x00ff;
2530 tmpValue = (tmpValue & 0xff00) >> 8;
2534 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2535 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2537 } else if (priv->EEPROM_Def_Ver == 1) {
2538 if (bLoad_From_EEPOM) {
2539 tmpValue = eprom_read(dev,
2540 EEPROM_TxPwIndex_CCK_V1 >> 1);
2541 tmpValue = (tmpValue & 0xff00) >> 8;
2545 priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2547 if (bLoad_From_EEPOM)
2548 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2551 *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2552 if (bLoad_From_EEPOM)
2553 tmpValue = eprom_read(dev,
2554 EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2557 *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2558 if (bLoad_From_EEPOM)
2559 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2562 priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2563 } /* endif EEPROM_Def_Ver == 1 */
2565 /* update HAL variables */
2566 for (i = 0; i < 14; i++) {
2568 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2569 else if (i >= 4 && i <= 9)
2570 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2572 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2575 for (i = 0; i < 14; i++) {
2576 if (priv->EEPROM_Def_Ver == 0) {
2578 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2579 else if (i >= 4 && i <= 9)
2580 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2582 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2583 } else if (priv->EEPROM_Def_Ver == 1) {
2585 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2586 else if (i >= 4 && i <= 9)
2587 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2589 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2592 priv->TxPowerDiff = priv->EEPROMPwDiff;
2593 /* Antenna B gain offset to antenna A, bit0~3 */
2594 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2595 /* Antenna C gain offset to antenna A, bit4~7 */
2596 priv->AntennaTxPwDiff[1] =
2597 (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2598 /* CrystalCap, bit12~15 */
2599 priv->CrystalCap = priv->EEPROMCrystalCap;
2600 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2601 * 92U does not enable TX power tracking.
2603 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2604 } /* end if VersionID == VERSION_819xU_A */
2607 switch (priv->eeprom_CustomerID) {
2608 case EEPROM_CID_RUNTOP:
2609 priv->CustomerID = RT_CID_819x_RUNTOP;
2612 case EEPROM_CID_DLINK:
2613 priv->CustomerID = RT_CID_DLINK;
2617 priv->CustomerID = RT_CID_DEFAULT;
2621 switch (priv->CustomerID) {
2622 case RT_CID_819x_RUNTOP:
2623 priv->LedStrategy = SW_LED_MODE2;
2627 priv->LedStrategy = SW_LED_MODE4;
2631 priv->LedStrategy = SW_LED_MODE0;
2636 if (priv->rf_type == RF_1T2R)
2637 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2639 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2641 /* We can only know RF type in the function. So we have to init
2642 * DIG RATR table again.
2644 init_rate_adaptive(dev);
2646 RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2649 static short rtl8192_get_channel_map(struct net_device *dev)
2651 struct r8192_priv *priv = ieee80211_priv(dev);
2653 if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2655 "rtl8180_init: Error channel plan! Set to default.\n");
2656 priv->ChannelPlan = 0;
2658 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2660 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2664 static short rtl8192_init(struct net_device *dev)
2666 struct r8192_priv *priv = ieee80211_priv(dev);
2668 memset(&(priv->stats), 0, sizeof(struct Stats));
2669 memset(priv->txqueue_to_outpipemap, 0, 9);
2673 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2675 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2679 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2681 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2684 rtl8192_init_priv_variable(dev);
2685 rtl8192_init_priv_lock(priv);
2686 rtl8192_init_priv_task(dev);
2687 rtl8192_get_eeprom_size(dev);
2688 rtl8192_read_eeprom_info(dev);
2689 rtl8192_get_channel_map(dev);
2691 setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
2692 (unsigned long)dev);
2693 if (rtl8192_usb_initendpoints(dev) != 0) {
2694 DMESG("Endopoints initialization failed");
2701 /******************************************************************************
2702 *function: This function actually only set RRSR, RATR and BW_OPMODE registers
2703 * not to do all the hw config as its name says
2704 * input: net_device dev
2707 * notice: This part need to modified according to the rate set we filtered
2708 * ****************************************************************************/
2709 static void rtl8192_hwconfig(struct net_device *dev)
2711 u32 regRATR = 0, regRRSR = 0;
2712 u8 regBwOpMode = 0, regTmp = 0;
2713 struct r8192_priv *priv = ieee80211_priv(dev);
2716 /* Set RRSR, RATR, and BW_OPMODE registers */
2717 switch (priv->ieee80211->mode) {
2718 case WIRELESS_MODE_B:
2719 regBwOpMode = BW_OPMODE_20MHZ;
2720 regRATR = RATE_ALL_CCK;
2721 regRRSR = RATE_ALL_CCK;
2723 case WIRELESS_MODE_A:
2724 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2725 regRATR = RATE_ALL_OFDM_AG;
2726 regRRSR = RATE_ALL_OFDM_AG;
2728 case WIRELESS_MODE_G:
2729 regBwOpMode = BW_OPMODE_20MHZ;
2730 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2731 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2733 case WIRELESS_MODE_AUTO:
2735 if (Adapter->bInHctTest) {
2736 regBwOpMode = BW_OPMODE_20MHZ;
2737 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2738 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2742 regBwOpMode = BW_OPMODE_20MHZ;
2743 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2744 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2745 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2748 case WIRELESS_MODE_N_24G:
2749 /* It support CCK rate by default. CCK rate will be filtered
2750 * out only when associated AP does not support it.
2752 regBwOpMode = BW_OPMODE_20MHZ;
2753 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2754 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2755 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2757 case WIRELESS_MODE_N_5G:
2758 regBwOpMode = BW_OPMODE_5G;
2759 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2761 regRRSR = RATE_ALL_OFDM_AG;
2765 write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2766 ratr_value = regRATR;
2767 if (priv->rf_type == RF_1T2R)
2768 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2769 write_nic_dword(dev, RATR0, ratr_value);
2770 write_nic_byte(dev, UFWP, 1);
2771 read_nic_byte(dev, 0x313, ®Tmp);
2772 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2773 write_nic_dword(dev, RRSR, regRRSR);
2775 /* Set Retry Limit here */
2776 write_nic_word(dev, RETRY_LIMIT,
2777 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2778 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2779 /* Set Contention Window here */
2783 /* Set Tx Antenna including Feedback control */
2785 /* Set Auto Rate fallback control */
2789 /* InitializeAdapter and PhyCfg */
2790 static bool rtl8192_adapter_start(struct net_device *dev)
2792 struct r8192_priv *priv = ieee80211_priv(dev);
2794 bool init_status = true;
2795 u8 SECR_value = 0x0;
2798 RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2799 priv->Rf_Mode = RF_OP_By_SW_3wire;
2800 /* for ASIC power on sequence */
2801 write_nic_byte_E(dev, 0x5f, 0x80);
2803 write_nic_byte_E(dev, 0x5f, 0xf0);
2804 write_nic_byte_E(dev, 0x5d, 0x00);
2805 write_nic_byte_E(dev, 0x5e, 0x80);
2806 write_nic_byte(dev, 0x17, 0x37);
2808 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2809 /* config CPUReset Register */
2810 /* Firmware Reset or not? */
2811 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2812 if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2813 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2814 else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2815 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2818 "ERROR in %s(): undefined firmware state(%d)\n",
2819 __func__, priv->pFirmware->firmware_status);
2821 write_nic_dword(dev, CPU_GEN, dwRegRead);
2823 rtl8192_BBConfig(dev);
2825 /* Loopback mode or not */
2826 priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2828 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2829 if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2830 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2831 CPU_GEN_NO_LOOPBACK_SET;
2832 else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2833 dwRegRead |= CPU_CCK_LOOPBACK;
2836 "Serious error in %s(): wrong loopback mode setting(%d)\n",
2837 __func__, priv->LoopbackMode);
2839 write_nic_dword(dev, CPU_GEN, dwRegRead);
2841 /* after reset cpu, we need wait for a seconds to write in register. */
2844 /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2845 read_nic_byte_E(dev, 0x5f, &tmp);
2846 write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2849 rtl8192_hwconfig(dev);
2852 write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2855 write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2856 write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2859 write_nic_dword(dev, RCR, priv->ReceiveConfig);
2861 /* Initialize Number of Reserved Pages in Firmware Queue */
2862 write_nic_dword(dev, RQPN1,
2863 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2864 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2865 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2866 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2867 write_nic_dword(dev, RQPN2,
2868 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2869 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2870 write_nic_dword(dev, RQPN3,
2871 APPLIED_RESERVED_QUEUE_IN_FW |
2872 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2873 write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2875 /* Set AckTimeout */
2876 /* TODO: (it value is only for FPGA version). need to be changed!! */
2877 write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2879 if (priv->ResetProgress == RESET_TYPE_NORESET)
2880 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2881 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2882 CamResetAllEntry(dev);
2883 SECR_value |= SCR_TxEncEnable;
2884 SECR_value |= SCR_RxDecEnable;
2885 SECR_value |= SCR_NoSKMC;
2886 write_nic_byte(dev, SECR, SECR_value);
2889 /* Beacon related */
2890 write_nic_word(dev, ATIMWND, 2);
2891 write_nic_word(dev, BCN_INTERVAL, 100);
2893 #define DEFAULT_EDCA 0x005e4332
2897 for (i = 0; i < QOS_QUEUE_NUM; i++)
2898 write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2901 rtl8192_phy_configmac(dev);
2903 if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2904 rtl8192_phy_getTxPower(dev);
2905 rtl8192_phy_setTxPower(dev, priv->chan);
2908 /* Firmware download */
2909 init_status = init_firmware(dev);
2911 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2915 RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2918 if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2919 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2920 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2921 ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2922 MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2923 /* Those actions will be discard in MgntActSet_RF_State
2924 * because of the same state
2926 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2927 PHY_SetRFReg(Adapter,
2928 (RF90_RADIO_PATH_E)eRFPath,
2930 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2931 /* H/W or S/W RF OFF before sleep. */
2932 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2933 ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2934 pMgntInfo->RfOffReason));
2935 MgntActSet_RF_State(Adapter,
2937 pMgntInfo->RfOffReason);
2939 pHalData->eRFPowerState = eRfOn;
2940 pMgntInfo->RfOffReason = 0;
2941 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2942 ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2945 if (pHalData->eRFPowerState == eRfOff) {
2946 MgntActSet_RF_State(Adapter,
2948 pMgntInfo->RfOffReason);
2949 /* Those actions will be discard in MgntActSet_RF_State
2950 * because of the same state
2952 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2953 PHY_SetRFReg(Adapter,
2954 (RF90_RADIO_PATH_E)eRFPath,
2960 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2961 rtl8192_phy_RFConfig(dev);
2962 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2966 if (priv->ieee80211->FwRWRF)
2967 /* We can force firmware to do RF-R/W */
2968 priv->Rf_Mode = RF_OP_By_FW;
2970 priv->Rf_Mode = RF_OP_By_SW_3wire;
2973 rtl8192_phy_updateInitGain(dev);
2974 /*--set CCK and OFDM Block "ON"--*/
2975 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2976 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2978 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2982 read_nic_byte(dev, 0x301, &tmpvalue);
2983 if (tmpvalue == 0x03) {
2985 RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2987 priv->bDcut = false;
2988 RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
2990 dm_initialize_txpower_tracking(dev);
2994 u32 tmpRegA = rtl8192_QueryBBReg(dev,
2995 rOFDM0_XATxIQImbalance,
2998 for (i = 0; i < TxBBGainTableLength; i++) {
2999 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3000 priv->rfa_txpowertrackingindex = (u8)i;
3001 priv->rfa_txpowertrackingindex_real =
3003 priv->rfa_txpowertracking_default =
3004 priv->rfa_txpowertrackingindex;
3009 TempCCk = rtl8192_QueryBBReg(dev,
3013 for (i = 0; i < CCKTxBBGainTableLength; i++) {
3014 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3015 priv->cck_present_attentuation_20Mdefault = (u8)i;
3019 priv->cck_present_attentuation_40Mdefault = 0;
3020 priv->cck_present_attentuation_difference = 0;
3021 priv->cck_present_attentuation =
3022 priv->cck_present_attentuation_20Mdefault;
3025 write_nic_byte(dev, 0x87, 0x0);
3031 /* this configures registers for beacon tx and enables it via
3032 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3033 * be used to stop beacon transmission
3035 /***************************************************************************
3036 -------------------------------NET STUFF---------------------------
3037 ***************************************************************************/
3039 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3041 struct r8192_priv *priv = ieee80211_priv(dev);
3043 return &priv->ieee80211->stats;
3046 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3048 struct r8192_priv *priv = ieee80211_priv(dev);
3050 bool bStuck = false;
3052 read_nic_word(dev, 0x128, &RegTxCounter);
3053 RT_TRACE(COMP_RESET,
3054 "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3055 RegTxCounter, priv->TxCounter);
3056 if (priv->TxCounter == RegTxCounter)
3059 priv->TxCounter = RegTxCounter;
3065 * <Assumption: RT_TX_SPINLOCK is acquired.>
3066 * First added: 2006.11.19 by emily
3068 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3070 struct r8192_priv *priv = ieee80211_priv(dev);
3072 bool bCheckFwTxCnt = false;
3074 /* Decide such threshold according to current power save mode */
3076 for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3077 if (QueueID == TXCMD_QUEUE)
3079 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3082 bCheckFwTxCnt = true;
3084 if (bCheckFwTxCnt) {
3085 if (HalTxCheckStuck819xUsb(dev)) {
3086 RT_TRACE(COMP_RESET,
3087 "TxCheckStuck(): Fw indicates no Tx condition!\n");
3088 return RESET_TYPE_SILENT;
3091 return RESET_TYPE_NORESET;
3094 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3097 struct r8192_priv *priv = ieee80211_priv(dev);
3098 bool bStuck = false;
3099 static u8 rx_chk_cnt;
3101 read_nic_word(dev, 0x130, &RegRxCounter);
3102 RT_TRACE(COMP_RESET,
3103 "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3104 RegRxCounter, priv->RxCounter);
3105 /* If rssi is small, we should check rx for long time because of bad rx.
3106 * or maybe it will continuous silent reset every 2 seconds.
3109 if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3110 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3111 } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3112 ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3113 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3118 } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3119 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3120 priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3132 if (priv->RxCounter == RegRxCounter)
3135 priv->RxCounter = RegRxCounter;
3140 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3142 struct r8192_priv *priv = ieee80211_priv(dev);
3143 bool bRxCheck = false;
3145 if (priv->IrpPendingCount > 1)
3149 if (HalRxCheckStuck819xUsb(dev)) {
3150 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3151 return RESET_TYPE_SILENT;
3154 return RESET_TYPE_NORESET;
3159 * This function is called by Checkforhang to check whether we should
3160 * ask OS to reset driver
3162 * \param pAdapter The adapter context for this miniport
3164 * Note:NIC with USB interface sholud not call this function because we
3165 * cannot scan descriptor to judge whether there is tx stuck.
3166 * Note: This function may be required to be rewrite for Vista OS.
3167 * <<<Assumption: Tx spinlock has been acquired >>>
3169 * 8185 and 8185b does not implement this function.
3171 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3173 struct r8192_priv *priv = ieee80211_priv(dev);
3174 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
3175 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
3176 RT_RF_POWER_STATE rfState;
3178 rfState = priv->ieee80211->eRFPowerState;
3180 TxResetType = TxCheckStuck(dev);
3181 if (rfState != eRfOff ||
3182 (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3183 /* If driver is in the status of firmware download failure,
3184 * driver skips RF initialization and RF is in turned off
3185 * state. Driver should check whether Rx stuck and do silent
3186 * reset. And if driver is in firmware download failure status,
3187 * driver should initialize RF in the following silent reset
3190 * Driver should not check RX stuck in IBSS mode because it is
3191 * required to set Check BSSID in order to send beacon,
3192 * however, if check BSSID is set, STA cannot hear any packet
3195 RxResetType = RxCheckStuck(dev);
3197 if (TxResetType == RESET_TYPE_NORMAL ||
3198 RxResetType == RESET_TYPE_NORMAL) {
3199 return RESET_TYPE_NORMAL;
3200 } else if (TxResetType == RESET_TYPE_SILENT ||
3201 RxResetType == RESET_TYPE_SILENT) {
3202 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3203 return RESET_TYPE_SILENT;
3205 return RESET_TYPE_NORESET;
3209 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3210 static int _rtl8192_up(struct net_device *dev);
3211 static int rtl8192_close(struct net_device *dev);
3215 static void CamRestoreAllEntry(struct net_device *dev)
3218 struct r8192_priv *priv = ieee80211_priv(dev);
3219 u8 *MacAddr = priv->ieee80211->current_network.bssid;
3221 static u8 CAM_CONST_ADDR[4][6] = {
3222 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3223 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3224 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3225 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3226 static u8 CAM_CONST_BROAD[] = {
3227 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3229 RT_TRACE(COMP_SEC, "CamRestoreAllEntry:\n");
3232 if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3233 (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3234 for (EntryId = 0; EntryId < 4; EntryId++) {
3235 MacAddr = CAM_CONST_ADDR[EntryId];
3236 setKey(dev, EntryId, EntryId,
3237 priv->ieee80211->pairwise_key_type,
3241 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3242 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3243 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3244 (u8 *)dev->dev_addr, 0, NULL);
3246 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3248 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3249 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3250 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3251 (u8 *)dev->dev_addr, 0, NULL);
3253 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3259 if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3260 MacAddr = CAM_CONST_BROAD;
3261 for (EntryId = 1; EntryId < 4; EntryId++) {
3262 setKey(dev, EntryId, EntryId,
3263 priv->ieee80211->group_key_type,
3266 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3267 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3268 CAM_CONST_ADDR[0], 0, NULL);
3269 } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3270 MacAddr = CAM_CONST_BROAD;
3271 for (EntryId = 1; EntryId < 4; EntryId++) {
3272 setKey(dev, EntryId, EntryId,
3273 priv->ieee80211->group_key_type,
3277 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3278 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3279 CAM_CONST_ADDR[0], 0, NULL);
3283 /* This function is used to fix Tx/Rx stop bug temporarily.
3284 * This function will do "system reset" to NIC when Tx or Rx is stuck.
3285 * The method checking Tx/Rx stuck of this function is supported by FW,
3286 * which reports Tx and Rx counter to register 0x128 and 0x130.
3288 static void rtl819x_ifsilentreset(struct net_device *dev)
3290 struct r8192_priv *priv = ieee80211_priv(dev);
3292 int reset_status = 0;
3293 struct ieee80211_device *ieee = priv->ieee80211;
3296 /* If we need to check CCK stop, please uncomment this line. */
3297 /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3299 if (priv->ResetProgress == RESET_TYPE_NORESET) {
3302 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3304 /* Set the variable for reset. */
3305 priv->ResetProgress = RESET_TYPE_SILENT;
3306 down(&priv->wx_sem);
3307 if (priv->up == 0) {
3309 "%s():the driver is not up! return\n",
3315 RT_TRACE(COMP_RESET,
3316 "%s():======>start to down the driver\n",
3319 rtl8192_rtx_disable(dev);
3320 rtl8192_cancel_deferred_work(priv);
3322 del_timer_sync(&priv->watch_dog_timer);
3324 ieee->sync_scan_hurryup = 1;
3325 if (ieee->state == IEEE80211_LINKED) {
3326 down(&ieee->wx_sem);
3327 netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3328 ieee80211_stop_send_beacons(priv->ieee80211);
3329 del_timer_sync(&ieee->associate_timer);
3330 cancel_delayed_work(&ieee->associate_retry_wq);
3331 ieee80211_stop_scan(ieee);
3332 netif_carrier_off(dev);
3335 netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3336 ieee80211_softmac_stop_protocol(priv->ieee80211);
3339 RT_TRACE(COMP_RESET,
3340 "%s():<==========down process is finished\n",
3342 RT_TRACE(COMP_RESET,
3343 "%s():===========>start up the driver\n",
3345 reset_status = _rtl8192_up(dev);
3347 RT_TRACE(COMP_RESET,
3348 "%s():<===========up process is finished\n",
3350 if (reset_status == -EAGAIN) {
3351 if (reset_times < 3) {
3356 " ERR!!! %s(): Reset Failed!!\n",
3360 ieee->is_silent_reset = 1;
3361 EnableHWSecurityConfig8192(dev);
3362 if (ieee->state == IEEE80211_LINKED &&
3363 ieee->iw_mode == IW_MODE_INFRA) {
3364 ieee->set_chan(ieee->dev,
3365 ieee->current_network.channel);
3367 queue_work(ieee->wq, &ieee->associate_complete_wq);
3369 } else if (ieee->state == IEEE80211_LINKED &&
3370 ieee->iw_mode == IW_MODE_ADHOC) {
3371 ieee->set_chan(ieee->dev,
3372 ieee->current_network.channel);
3373 ieee->link_change(ieee->dev);
3375 ieee80211_start_send_beacons(ieee);
3377 if (ieee->data_hard_resume)
3378 ieee->data_hard_resume(ieee->dev);
3379 netif_carrier_on(ieee->dev);
3382 CamRestoreAllEntry(dev);
3384 priv->ResetProgress = RESET_TYPE_NORESET;
3385 priv->reset_count++;
3387 priv->bForcedSilentReset = false;
3388 priv->bResetInProgress = false;
3390 /* For test --> force write UFWP. */
3391 write_nic_byte(dev, UFWP, 1);
3392 RT_TRACE(COMP_RESET,
3393 "Reset finished!! ====>[%d]\n",
3398 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3399 u32 *TotalRxDataNum)
3405 *TotalRxDataNum = 0;
3407 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3408 (priv->ieee80211->LinkDetectInfo.SlotNum);
3409 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3410 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3411 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3412 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3413 for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3414 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3415 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3420 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3422 struct delayed_work *dwork = to_delayed_work(work);
3423 struct r8192_priv *priv = container_of(dwork,
3424 struct r8192_priv, watch_dog_wq);
3425 struct net_device *dev = priv->ieee80211->dev;
3426 struct ieee80211_device *ieee = priv->ieee80211;
3427 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3428 static u8 check_reset_cnt;
3429 bool bBusyTraffic = false;
3430 u32 TotalRxBcnNum = 0;
3431 u32 TotalRxDataNum = 0;
3435 hal_dm_watchdog(dev);
3437 /* to get busy traffic condition */
3438 if (ieee->state == IEEE80211_LINKED) {
3439 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3440 ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3441 bBusyTraffic = true;
3443 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3444 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3445 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3447 /* for AP roaming */
3448 if (priv->ieee80211->state == IEEE80211_LINKED &&
3449 priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3450 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3451 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3453 if (rfState == eRfOff)
3454 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3457 "===>%s(): AP is power off, connect another one\n",
3459 priv->ieee80211->state = IEEE80211_ASSOCIATING;
3460 notify_wx_assoc_event(priv->ieee80211);
3461 RemovePeerTS(priv->ieee80211,
3462 priv->ieee80211->current_network.bssid);
3463 priv->ieee80211->link_change(dev);
3464 queue_work(priv->ieee80211->wq,
3465 &priv->ieee80211->associate_procedure_wq);
3468 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3469 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3470 /* check if reset the driver */
3471 if (check_reset_cnt++ >= 3) {
3472 ResetType = rtl819x_ifcheck_resetornot(dev);
3473 check_reset_cnt = 3;
3475 /* This is control by OID set in Pomelo */
3476 if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3477 (priv->bForcedSilentReset ||
3478 (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3479 RT_TRACE(COMP_RESET,
3480 "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3481 __func__, priv->force_reset, priv->ResetProgress,
3482 priv->bForcedSilentReset,
3483 priv->bDisableNormalResetCheck, ResetType);
3484 rtl819x_ifsilentreset(dev);
3486 priv->force_reset = false;
3487 priv->bForcedSilentReset = false;
3488 priv->bResetInProgress = false;
3489 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3492 static void watch_dog_timer_callback(unsigned long data)
3494 struct r8192_priv *priv = ieee80211_priv((struct net_device *)data);
3496 schedule_delayed_work(&priv->watch_dog_wq, 0);
3497 mod_timer(&priv->watch_dog_timer,
3498 jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3501 static int _rtl8192_up(struct net_device *dev)
3503 struct r8192_priv *priv = ieee80211_priv(dev);
3504 int init_status = 0;
3507 priv->ieee80211->ieee_up = 1;
3508 RT_TRACE(COMP_INIT, "Bringing up iface");
3509 init_status = rtl8192_adapter_start(dev);
3511 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3513 priv->up = priv->ieee80211->ieee_up = 0;
3516 RT_TRACE(COMP_INIT, "start adapter finished\n");
3517 rtl8192_rx_enable(dev);
3518 if (priv->ieee80211->state != IEEE80211_LINKED)
3519 ieee80211_softmac_start_protocol(priv->ieee80211);
3520 ieee80211_reset_queue(priv->ieee80211);
3521 watch_dog_timer_callback((unsigned long)dev);
3522 if (!netif_queue_stopped(dev))
3523 netif_start_queue(dev);
3525 netif_wake_queue(dev);
3531 static int rtl8192_open(struct net_device *dev)
3533 struct r8192_priv *priv = ieee80211_priv(dev);
3536 down(&priv->wx_sem);
3537 ret = rtl8192_up(dev);
3543 int rtl8192_up(struct net_device *dev)
3545 struct r8192_priv *priv = ieee80211_priv(dev);
3550 return _rtl8192_up(dev);
3554 static int rtl8192_close(struct net_device *dev)
3556 struct r8192_priv *priv = ieee80211_priv(dev);
3559 down(&priv->wx_sem);
3561 ret = rtl8192_down(dev);
3568 int rtl8192_down(struct net_device *dev)
3570 struct r8192_priv *priv = ieee80211_priv(dev);
3577 priv->ieee80211->ieee_up = 0;
3578 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3580 if (!netif_queue_stopped(dev))
3581 netif_stop_queue(dev);
3583 rtl8192_rtx_disable(dev);
3585 /* Tx related queue release */
3586 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3587 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3588 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3589 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3591 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3592 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3594 /* as cancel_delayed_work will del work->timer, so if work is not
3595 * defined as struct delayed_work, it will corrupt
3597 rtl8192_cancel_deferred_work(priv);
3599 del_timer_sync(&priv->watch_dog_timer);
3602 ieee80211_softmac_stop_protocol(priv->ieee80211);
3603 memset(&priv->ieee80211->current_network, 0,
3604 offsetof(struct ieee80211_network, list));
3605 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3611 void rtl8192_commit(struct net_device *dev)
3613 struct r8192_priv *priv = ieee80211_priv(dev);
3614 int reset_status = 0;
3620 rtl8192_cancel_deferred_work(priv);
3621 del_timer_sync(&priv->watch_dog_timer);
3623 ieee80211_softmac_stop_protocol(priv->ieee80211);
3625 rtl8192_rtx_disable(dev);
3626 reset_status = _rtl8192_up(dev);
3629 static void rtl8192_restart(struct work_struct *work)
3631 struct r8192_priv *priv = container_of(work, struct r8192_priv,
3633 struct net_device *dev = priv->ieee80211->dev;
3635 down(&priv->wx_sem);
3637 rtl8192_commit(dev);
3642 static void r8192_set_multicast(struct net_device *dev)
3644 struct r8192_priv *priv = ieee80211_priv(dev);
3649 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3651 if (promisc != priv->promisc)
3653 priv->promisc = promisc;
3657 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3659 struct r8192_priv *priv = ieee80211_priv(dev);
3660 struct sockaddr *addr = mac;
3662 down(&priv->wx_sem);
3664 ether_addr_copy(dev->dev_addr, addr->sa_data);
3666 schedule_work(&priv->reset_wq);
3672 /* based on ipw2200 driver */
3673 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3675 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3676 struct iwreq *wrq = (struct iwreq *)rq;
3678 struct ieee80211_device *ieee = priv->ieee80211;
3680 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3681 struct iw_point *p = &wrq->u.data;
3682 struct ieee_param *ipw = NULL;
3684 down(&priv->wx_sem);
3687 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3692 ipw = memdup_user(p->pointer, p->length);
3699 case RTL_IOCTL_WPA_SUPPLICANT:
3700 /* parse here for HW security */
3701 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3702 if (ipw->u.crypt.set_tx) {
3703 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3704 ieee->pairwise_key_type = KEY_TYPE_CCMP;
3705 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3706 ieee->pairwise_key_type = KEY_TYPE_TKIP;
3707 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3708 if (ipw->u.crypt.key_len == 13)
3709 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3710 else if (ipw->u.crypt.key_len == 5)
3711 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3713 ieee->pairwise_key_type = KEY_TYPE_NA;
3716 if (ieee->pairwise_key_type) {
3717 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3718 EnableHWSecurityConfig8192(dev);
3719 /* We fill both index entry and 4th
3720 * entry for pairwise key as in IPW
3721 * interface, adhoc will only get here,
3722 * so we need index entry for its
3723 * default key serching!
3725 setKey(dev, 4, ipw->u.crypt.idx,
3726 ieee->pairwise_key_type,
3727 (u8 *)ieee->ap_mac_addr,
3729 if (ieee->auth_mode != 2)
3730 setKey(dev, ipw->u.crypt.idx,
3732 ieee->pairwise_key_type,
3733 (u8 *)ieee->ap_mac_addr,
3737 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3738 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3739 ieee->group_key_type = KEY_TYPE_CCMP;
3740 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3741 ieee->group_key_type = KEY_TYPE_TKIP;
3742 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3743 if (ipw->u.crypt.key_len == 13)
3744 ieee->group_key_type = KEY_TYPE_WEP104;
3745 else if (ipw->u.crypt.key_len == 5)
3746 ieee->group_key_type = KEY_TYPE_WEP40;
3748 ieee->group_key_type = KEY_TYPE_NA;
3751 if (ieee->group_key_type) {
3752 setKey(dev, ipw->u.crypt.idx,
3756 ieee->group_key_type,
3766 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3781 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3793 case DESC90_RATE5_5M:
3794 ret_rate = MGN_5_5M;
3796 case DESC90_RATE11M:
3805 case DESC90_RATE12M:
3808 case DESC90_RATE18M:
3811 case DESC90_RATE24M:
3814 case DESC90_RATE36M:
3817 case DESC90_RATE48M:
3820 case DESC90_RATE54M:
3827 "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3834 case DESC90_RATEMCS0:
3835 ret_rate = MGN_MCS0;
3837 case DESC90_RATEMCS1:
3838 ret_rate = MGN_MCS1;
3840 case DESC90_RATEMCS2:
3841 ret_rate = MGN_MCS2;
3843 case DESC90_RATEMCS3:
3844 ret_rate = MGN_MCS3;
3846 case DESC90_RATEMCS4:
3847 ret_rate = MGN_MCS4;
3849 case DESC90_RATEMCS5:
3850 ret_rate = MGN_MCS5;
3852 case DESC90_RATEMCS6:
3853 ret_rate = MGN_MCS6;
3855 case DESC90_RATEMCS7:
3856 ret_rate = MGN_MCS7;
3858 case DESC90_RATEMCS8:
3859 ret_rate = MGN_MCS8;
3861 case DESC90_RATEMCS9:
3862 ret_rate = MGN_MCS9;
3864 case DESC90_RATEMCS10:
3865 ret_rate = MGN_MCS10;
3867 case DESC90_RATEMCS11:
3868 ret_rate = MGN_MCS11;
3870 case DESC90_RATEMCS12:
3871 ret_rate = MGN_MCS12;
3873 case DESC90_RATEMCS13:
3874 ret_rate = MGN_MCS13;
3876 case DESC90_RATEMCS14:
3877 ret_rate = MGN_MCS14;
3879 case DESC90_RATEMCS15:
3880 ret_rate = MGN_MCS15;
3882 case DESC90_RATEMCS32:
3883 ret_rate = 0x80 | 0x20;
3889 "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3899 * Function: UpdateRxPktTimeStamp
3900 * Overview: Record the TSF time stamp when receiving a packet
3908 * (pRfd->Status.TimeStampHigh is updated)
3909 * (pRfd->Status.TimeStampLow is updated)
3913 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3914 struct ieee80211_rx_stats *stats)
3916 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3918 if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3919 stats->mac_time[0] = priv->LastRxDescTSFLow;
3920 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3922 priv->LastRxDescTSFLow = stats->mac_time[0];
3923 priv->LastRxDescTSFHigh = stats->mac_time[1];
3928 static long rtl819x_translate_todbm(u8 signal_strength_index)
3930 long signal_power; /* in dBm. */
3932 /* Translate to dBm (x=0.5y-95). */
3933 signal_power = (long)((signal_strength_index + 1) >> 1);
3936 return signal_power;
3940 /* We can not declare RSSI/EVM total value of sliding window to
3941 * be a local static. Otherwise, it may increase when we return from S3/S4. The
3942 * value will be kept in memory or disk. Declare the value in the adaptor
3943 * and it will be reinitialized when returned from S3/S4.
3945 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3946 struct ieee80211_rx_stats *pprevious_stats,
3947 struct ieee80211_rx_stats *pcurrent_stats)
3949 bool bcheck = false;
3951 u32 nspatial_stream, tmp_val;
3952 static u32 slide_rssi_index, slide_rssi_statistics;
3953 static u32 slide_evm_index, slide_evm_statistics;
3954 static u32 last_rssi, last_evm;
3956 static u32 slide_beacon_adc_pwdb_index;
3957 static u32 slide_beacon_adc_pwdb_statistics;
3958 static u32 last_beacon_adc_pwdb;
3960 struct rtl_80211_hdr_3addr *hdr;
3962 unsigned int frag, seq;
3964 hdr = (struct rtl_80211_hdr_3addr *)buffer;
3965 sc = le16_to_cpu(hdr->seq_ctl);
3966 frag = WLAN_GET_SEQ_FRAG(sc);
3967 seq = WLAN_GET_SEQ_SEQ(sc);
3968 /* to record the sequence number */
3969 pcurrent_stats->Seq_Num = seq;
3971 /* Check whether we should take the previous packet into accounting */
3972 if (!pprevious_stats->bIsAMPDU) {
3973 /* if previous packet is not aggregated packet */
3977 if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3978 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3979 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3980 priv->stats.slide_rssi_total -= last_rssi;
3982 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3984 priv->stats.slide_signal_strength[slide_rssi_index++] =
3985 pprevious_stats->SignalStrength;
3986 if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3987 slide_rssi_index = 0;
3989 /* <1> Showed on UI for user, in dbm */
3990 tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
3991 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3992 pcurrent_stats->rssi = priv->stats.signal_strength;
3994 /* If the previous packet does not match the criteria, neglect it */
3995 if (!pprevious_stats->bPacketMatchBSSID) {
3996 if (!pprevious_stats->bToSelfBA)
4004 /* only rtl8190 supported
4005 * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
4009 priv->stats.num_process_phyinfo++;
4011 /* record the general signal strength to the sliding window. */
4014 /* <2> Showed on UI for engineering
4015 * hardware does not provide rssi information for each rf path in CCK
4017 if (!pprevious_stats->bIsCCK &&
4018 (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
4019 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
4020 if (!rtl8192_phy_CheckIsLegalRFPath(
4021 priv->ieee80211->dev, rfpath))
4024 if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4025 priv->stats.rx_rssi_percentage[rfpath] =
4026 pprevious_stats->RxMIMOSignalStrength[rfpath];
4027 if (pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath]) {
4028 priv->stats.rx_rssi_percentage[rfpath] =
4029 ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4030 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4031 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
4033 priv->stats.rx_rssi_percentage[rfpath] =
4034 ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4035 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4038 "priv->stats.rx_rssi_percentage[rfPath] = %d\n",
4039 priv->stats.rx_rssi_percentage[rfpath]);
4045 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4046 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4047 pprevious_stats->RxPWDBAll);
4049 if (pprevious_stats->bPacketBeacon) {
4050 /* record the beacon pwdb to the sliding window. */
4051 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4052 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4053 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4054 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4056 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4057 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4058 slide_beacon_adc_pwdb_index++;
4059 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4060 slide_beacon_adc_pwdb_index = 0;
4061 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4062 if (pprevious_stats->RxPWDBAll >= 3)
4063 pprevious_stats->RxPWDBAll -= 3;
4066 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4067 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4068 pprevious_stats->RxPWDBAll);
4071 if (pprevious_stats->bPacketToSelf ||
4072 pprevious_stats->bPacketBeacon ||
4073 pprevious_stats->bToSelfBA) {
4074 if (priv->undecorated_smoothed_pwdb < 0)
4076 priv->undecorated_smoothed_pwdb =
4077 pprevious_stats->RxPWDBAll;
4078 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4079 priv->undecorated_smoothed_pwdb =
4080 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4081 (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4082 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4084 priv->undecorated_smoothed_pwdb =
4085 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4086 (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4091 /* record the general EVM to the sliding window. */
4092 if (pprevious_stats->SignalQuality) {
4093 if (pprevious_stats->bPacketToSelf ||
4094 pprevious_stats->bPacketBeacon ||
4095 pprevious_stats->bToSelfBA) {
4096 if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4097 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4098 last_evm = priv->stats.slide_evm[slide_evm_index];
4099 priv->stats.slide_evm_total -= last_evm;
4102 priv->stats.slide_evm_total +=
4103 pprevious_stats->SignalQuality;
4105 priv->stats.slide_evm[slide_evm_index++] =
4106 pprevious_stats->SignalQuality;
4107 if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4108 slide_evm_index = 0;
4110 /* <1> Showed on UI for user, in percentage. */
4111 tmp_val = priv->stats.slide_evm_total /
4112 slide_evm_statistics;
4113 priv->stats.signal_quality = tmp_val;
4114 /* Showed on UI for user in Windows Vista,
4117 priv->stats.last_signal_strength_inpercent = tmp_val;
4120 /* <2> Showed on UI for engineering */
4121 if (pprevious_stats->bPacketToSelf ||
4122 pprevious_stats->bPacketBeacon ||
4123 pprevious_stats->bToSelfBA) {
4124 for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4125 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4126 if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4127 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4128 priv->stats.rx_evm_percentage[nspatial_stream] =
4129 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4130 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4137 /*-----------------------------------------------------------------------------
4138 * Function: rtl819x_query_rxpwrpercentage()
4142 * Input: char antpower
4146 * Return: 0-100 percentage
4147 *---------------------------------------------------------------------------*/
4148 static u8 rtl819x_query_rxpwrpercentage(char antpower)
4150 if ((antpower <= -100) || (antpower >= 20))
4152 else if (antpower >= 0)
4155 return 100 + antpower;
4157 } /* QueryRxPwrPercentage */
4159 static u8 rtl819x_evm_dbtopercentage(char value)
4169 ret_val = 0 - ret_val;
4176 /* We want good-looking for signal strength/quality */
4177 static long rtl819x_signal_scale_mapping(long currsig)
4181 /* Step 1. Scale mapping. */
4182 if (currsig >= 61 && currsig <= 100)
4183 retsig = 90 + ((currsig - 60) / 4);
4184 else if (currsig >= 41 && currsig <= 60)
4185 retsig = 78 + ((currsig - 40) / 2);
4186 else if (currsig >= 31 && currsig <= 40)
4187 retsig = 66 + (currsig - 30);
4188 else if (currsig >= 21 && currsig <= 30)
4189 retsig = 54 + (currsig - 20);
4190 else if (currsig >= 5 && currsig <= 20)
4191 retsig = 42 + (((currsig - 5) * 2) / 3);
4192 else if (currsig == 4)
4194 else if (currsig == 3)
4196 else if (currsig == 2)
4198 else if (currsig == 1)
4206 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4211 switch (pdrvinfo->RxRate) {
4214 case DESC90_RATE5_5M:
4215 case DESC90_RATE11M:
4222 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4223 struct ieee80211_rx_stats *pstats,
4224 rx_drvinfo_819x_usb *pdrvinfo,
4225 struct ieee80211_rx_stats *precord_stats,
4226 bool bpacket_match_bssid,
4227 bool bpacket_toself,
4231 phy_sts_ofdm_819xusb_t *pofdm_buf;
4232 phy_sts_cck_819xusb_t *pcck_buf;
4233 phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4235 u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4236 char rx_pwr[4], rx_pwr_all = 0;
4237 char rx_snrX, rx_evmX;
4239 u32 RSSI, total_rssi = 0;
4245 priv->stats.numqry_phystatus++;
4247 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4249 /* Record it for next packet processing */
4250 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4251 pstats->bPacketMatchBSSID =
4252 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4253 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4254 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4255 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4256 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4258 prxpkt = (u8 *)pdrvinfo;
4260 /* Move pointer to the 16th bytes. Phy status start address. */
4261 prxpkt += sizeof(rx_drvinfo_819x_usb);
4263 /* Initial the cck and ofdm buffer pointer */
4264 pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4265 pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4267 pstats->RxMIMOSignalQuality[0] = -1;
4268 pstats->RxMIMOSignalQuality[1] = -1;
4269 precord_stats->RxMIMOSignalQuality[0] = -1;
4270 precord_stats->RxMIMOSignalQuality[1] = -1;
4273 /* (1)Hardware does not provide RSSI for CCK */
4275 /* (2)PWDB, Average PWDB calculated by hardware
4276 * (for rate adaptive)
4280 priv->stats.numqry_phystatusCCK++;
4282 if (!priv->bCckHighPower) {
4283 report = pcck_buf->cck_agc_rpt & 0xc0;
4287 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4290 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4293 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4296 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4300 report = pcck_buf->cck_agc_rpt & 0x60;
4304 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4307 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4310 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4313 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4318 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4319 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4320 pstats->RecvSignalPower = pwdb_all;
4322 /* (3) Get Signal Quality (EVM) */
4324 if (pstats->RxPWDBAll > 40) {
4327 sq = pcck_buf->sq_rpt;
4329 if (pcck_buf->sq_rpt > 64)
4331 else if (pcck_buf->sq_rpt < 20)
4334 sq = ((64 - sq) * 100) / 44;
4336 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4337 pstats->RxMIMOSignalQuality[0] =
4338 precord_stats->RxMIMOSignalQuality[0] = sq;
4339 pstats->RxMIMOSignalQuality[1] =
4340 precord_stats->RxMIMOSignalQuality[1] = -1;
4343 priv->stats.numqry_phystatusHT++;
4345 /* (1)Get RSSI for HT rate */
4346 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4347 /* We will judge RF RX path now. */
4348 if (priv->brfpath_rxenable[i])
4353 if (!rtl8192_phy_CheckIsLegalRFPath(
4354 priv->ieee80211->dev, i))
4358 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4360 /* Get Rx snr value in DB */
4361 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4362 rx_snrX = (char)(tmp_rxsnr);
4364 priv->stats.rxSNRdB[i] = (long)rx_snrX;
4366 /* Translate DBM to percentage. */
4367 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4370 /* Record Signal Strength for next packet */
4371 pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4372 precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4376 /* (2)PWDB, Average PWDB calculated by hardware
4377 * (for rate adaptive)
4379 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4380 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4382 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4383 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4385 /* (3)EVM of HT rate */
4386 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4387 pdrvinfo->RxRate <= DESC90_RATEMCS15)
4388 /* both spatial stream make sense */
4389 max_spatial_stream = 2;
4391 /* only spatial stream 1 makes sense */
4392 max_spatial_stream = 1;
4394 for (i = 0; i < max_spatial_stream; i++) {
4395 tmp_rxevm = pofdm_buf->rxevm_X[i];
4396 rx_evmX = (char)(tmp_rxevm);
4398 /* Do not use shift operation like "rx_evmX >>= 1"
4399 * because the compiler of free build environment will
4400 * set the most significant bit to "zero" when doing
4401 * shifting operation which may change a negative value
4402 * to positive one, then the dbm value (which is
4403 * supposed to be negative) is not correct anymore.
4405 rx_evmX /= 2; /* dbm */
4407 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4409 /* Fill value in RFD, Get the first spatial
4412 pstats->SignalQuality =
4413 precord_stats->SignalQuality =
4415 pstats->RxMIMOSignalQuality[i] =
4416 precord_stats->RxMIMOSignalQuality[i] =
4421 /* record rx statistics for debug */
4422 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4423 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4425 if (pdrvinfo->BW) /* 40M channel */
4426 priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4427 else /* 20M channel */
4428 priv->stats.received_bwtype[0]++;
4431 /* UI BSS List signal strength(in percentage), make it good looking,
4432 * from 0~100. It is assigned to the BSS List in
4433 * GetValueFromBeaconOrProbeRsp().
4436 pstats->SignalStrength =
4437 precord_stats->SignalStrength =
4438 (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4440 /* We can judge RX path number now. */
4441 if (rf_rx_num != 0) {
4442 pstats->SignalStrength =
4443 precord_stats->SignalStrength =
4444 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4447 } /* QueryRxPhyStatus8190Pci */
4449 static void rtl8192_record_rxdesc_forlateruse(
4450 struct ieee80211_rx_stats *psrc_stats,
4451 struct ieee80211_rx_stats *ptarget_stats)
4453 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4454 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4455 ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4459 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4460 struct ieee80211_rx_stats *pstats,
4461 rx_drvinfo_819x_usb *pdrvinfo)
4463 /* TODO: We must only check packet for current MAC address.
4466 struct 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 rtl_80211_hdr_3addr *hdr;
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 rtl_80211_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 &
4493 (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4495 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4496 bPacketBeacon = true;
4497 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4498 if ((eqMacAddr(praddr, dev->dev_addr)))
4504 if (bpacket_match_bssid)
4505 priv->stats.numpacket_matchbssid++;
4507 priv->stats.numpacket_toself++;
4508 /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4509 * Because phy information is contained in the last packet of AMPDU
4510 * only, so driver 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,
4514 bpacket_match_bssid, bpacket_toself,
4515 bPacketBeacon, bToSelfBA);
4516 rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4520 * Function: UpdateReceivedRateHistogramStatistics
4521 * Overview: Record the received data rate
4524 * struct net_device *dev
4525 * struct ieee80211_rx_stats *stats
4529 * (priv->stats.ReceivedRateHistogram[] is updated)
4534 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4535 struct ieee80211_rx_stats *stats)
4537 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4538 /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4541 /* 1: short preamble/GI, 0: long preamble/GI */
4542 u32 preamble_guardinterval;
4547 else if (stats->bICV)
4550 if (stats->bShortPreamble)
4551 preamble_guardinterval = 1; /* short */
4553 preamble_guardinterval = 0; /* long */
4555 switch (stats->rate) {
4569 /* Legacy OFDM rate */
4594 /* 11n High throughput rate */
4647 priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4648 priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4649 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4653 static void query_rxdesc_status(struct sk_buff *skb,
4654 struct ieee80211_rx_stats *stats,
4655 bool bIsRxAggrSubframe)
4657 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4658 struct net_device *dev = info->dev;
4659 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4660 rx_drvinfo_819x_usb *driver_info = NULL;
4662 /* Get Rx Descriptor Information */
4663 rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4665 stats->Length = desc->Length;
4666 stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4667 stats->RxBufShift = 0;
4668 stats->bICV = desc->ICV;
4669 stats->bCRC = desc->CRC32;
4670 stats->bHwError = stats->bCRC | stats->bICV;
4671 /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4672 stats->Decrypted = !desc->SWDec;
4674 if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4675 (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4676 stats->bHwError = false;
4678 stats->bHwError = stats->bCRC | stats->bICV;
4680 if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4681 stats->bHwError |= 1;
4682 /* Get Driver Info */
4683 /* TODO: Need to verify it on FGPA platform
4684 * Driver info are written to the RxBuffer following rx desc
4686 if (stats->RxDrvInfoSize != 0) {
4687 driver_info = (rx_drvinfo_819x_usb *)(
4689 + sizeof(rx_desc_819x_usb)
4694 if (!stats->bHwError) {
4697 ret_rate = HwRateToMRate90(driver_info->RxHT,
4698 driver_info->RxRate);
4699 if (ret_rate == 0xff) {
4700 /* Abnormal Case: Receive CRC OK packet with Rx
4701 * descriptor indicating non supported rate.
4702 * Special Error Handling here
4705 stats->bHwError = 1;
4706 /* Set 1M rate by default */
4707 stats->rate = MGN_1M;
4709 stats->rate = ret_rate;
4715 stats->bShortPreamble = driver_info->SPLCP;
4718 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4720 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4721 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4722 (driver_info->FirstAGGR == 1);
4723 stats->TimeStampLow = driver_info->TSFL;
4725 UpdateRxPktTimeStamp8190(dev, stats);
4728 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4729 RT_TRACE(COMP_RXDESC,
4730 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4731 driver_info->FirstAGGR, driver_info->PartAggr);
4734 skb_pull(skb, sizeof(rx_desc_819x_usb));
4735 /* Get Total offset of MPDU Frame Body */
4736 if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4738 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4742 stats->RxIs40MHzPacket = driver_info->BW;
4743 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4747 static void rtl8192_rx_nomal(struct sk_buff *skb)
4749 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4750 struct net_device *dev = info->dev;
4751 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4752 struct ieee80211_rx_stats stats = {
4754 .noise = 0x100 - 98,
4756 .freq = IEEE80211_24GHZ_BAND,
4759 struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4760 bool unicast_packet = false;
4762 /* 20 is for ps-poll */
4763 if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4764 /* first packet should not contain Rx aggregation header */
4765 query_rxdesc_status(skb, &stats, false);
4767 /* hardware related info */
4768 /* Process the MPDU received */
4769 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4771 rx_pkt_len = skb->len;
4772 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4773 unicast_packet = false;
4774 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4776 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4779 /* unicast packet */
4780 unicast_packet = true;
4783 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4784 dev_kfree_skb_any(skb);
4786 priv->stats.rxoktotal++;
4788 priv->stats.rxbytesunicast += rx_pkt_len;
4791 priv->stats.rxurberr++;
4792 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4793 dev_kfree_skb_any(skb);
4797 static void rtl819xusb_process_received_packet(
4798 struct net_device *dev,
4799 struct ieee80211_rx_stats *pstats)
4803 struct r8192_priv *priv = ieee80211_priv(dev);
4805 /* Get shifted bytes of Starting address of 802.11 header. */
4806 pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4807 frame = pstats->virtual_address;
4808 frame_len = pstats->packetlength;
4809 #ifdef TODO /* about HCT */
4810 if (!Adapter->bInHctTest)
4811 CountRxErrStatistics(Adapter, pRfd);
4813 #ifdef ENABLE_PS /* for adding ps function in future */
4814 RT_RF_POWER_STATE rtState;
4815 /* When RF is off, we should not count the packet for hw/sw synchronize
4816 * reason, ie. there may be a duration while sw switch is changed and
4817 * hw switch is being changed.
4819 Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4821 if (rtState == eRfOff)
4824 priv->stats.rxframgment++;
4827 RmMonitorSignalStrength(Adapter, pRfd);
4829 /* We have to release RFD and return if rx pkt is cmd pkt. */
4830 if (rtl819xusb_rx_command_packet(dev, pstats))
4840 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4841 struct ieee80211_rx_stats *stats)
4843 rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4845 /* Get Rx Descriptor Information */
4846 stats->virtual_address = (u8 *)skb->data;
4847 stats->Length = desc->Length;
4848 stats->RxDrvInfoSize = 0;
4849 stats->RxBufShift = 0;
4850 stats->packetlength = stats->Length - scrclng;
4851 stats->fraglength = stats->packetlength;
4852 stats->fragoffset = 0;
4853 stats->ntotalfrag = 1;
4857 static void rtl8192_rx_cmd(struct sk_buff *skb)
4859 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4860 struct net_device *dev = info->dev;
4862 struct ieee80211_rx_stats stats = {
4864 .noise = 0x100 - 98,
4866 .freq = IEEE80211_24GHZ_BAND,
4869 if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4870 query_rx_cmdpkt_desc_status(skb, &stats);
4871 /* prfd->queue_id = 1; */
4873 /* Process the command packet received. */
4875 rtl819xusb_process_received_packet(dev, &stats);
4877 dev_kfree_skb_any(skb);
4881 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4883 struct sk_buff *skb;
4884 struct rtl8192_rx_info *info;
4886 while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4887 info = (struct rtl8192_rx_info *)skb->cb;
4888 switch (info->out_pipe) {
4889 /* Nomal packet pipe */
4891 priv->IrpPendingCount--;
4892 rtl8192_rx_nomal(skb);
4895 /* Command packet pipe */
4897 RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4900 rtl8192_rx_cmd(skb);
4903 default: /* should never get here! */
4904 RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4912 static const struct net_device_ops rtl8192_netdev_ops = {
4913 .ndo_open = rtl8192_open,
4914 .ndo_stop = rtl8192_close,
4915 .ndo_get_stats = rtl8192_stats,
4916 .ndo_tx_timeout = tx_timeout,
4917 .ndo_do_ioctl = rtl8192_ioctl,
4918 .ndo_set_rx_mode = r8192_set_multicast,
4919 .ndo_set_mac_address = r8192_set_mac_adr,
4920 .ndo_validate_addr = eth_validate_addr,
4921 .ndo_change_mtu = eth_change_mtu,
4922 .ndo_start_xmit = ieee80211_xmit,
4926 /****************************************************************************
4927 ---------------------------- USB_STUFF---------------------------
4928 *****************************************************************************/
4930 static int rtl8192_usb_probe(struct usb_interface *intf,
4931 const struct usb_device_id *id)
4933 struct net_device *dev = NULL;
4934 struct r8192_priv *priv = NULL;
4935 struct usb_device *udev = interface_to_usbdev(intf);
4938 RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4940 dev = alloc_ieee80211(sizeof(struct r8192_priv));
4944 usb_set_intfdata(intf, dev);
4945 SET_NETDEV_DEV(dev, &intf->dev);
4946 priv = ieee80211_priv(dev);
4947 priv->ieee80211 = netdev_priv(dev);
4950 dev->netdev_ops = &rtl8192_netdev_ops;
4952 dev->wireless_handlers =
4953 (struct iw_handler_def *)&r8192_wx_handlers_def;
4955 dev->type = ARPHRD_ETHER;
4957 dev->watchdog_timeo = HZ * 3;
4959 if (dev_alloc_name(dev, ifname) < 0) {
4961 "Oops: devname already taken! Trying wlan%%d...\n");
4963 dev_alloc_name(dev, ifname);
4966 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4967 if (rtl8192_init(dev) != 0) {
4968 RT_TRACE(COMP_ERR, "Initialization failed");
4972 netif_carrier_off(dev);
4973 netif_stop_queue(dev);
4975 ret = register_netdev(dev);
4979 RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4980 rtl8192_proc_init_one(dev);
4983 RT_TRACE(COMP_INIT, "Driver probe completed\n");
4988 kfree(priv->pFirmware);
4989 priv->pFirmware = NULL;
4990 rtl8192_usb_deleteendpoints(dev);
4993 free_ieee80211(dev);
4995 RT_TRACE(COMP_ERR, "wlan driver load failed\n");
4999 /* detach all the work and timer structure declared or inititialize
5000 * in r8192U_init function.
5002 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
5004 cancel_work_sync(&priv->reset_wq);
5005 cancel_delayed_work(&priv->watch_dog_wq);
5006 cancel_delayed_work(&priv->update_beacon_wq);
5007 cancel_work_sync(&priv->qos_activate);
5011 static void rtl8192_usb_disconnect(struct usb_interface *intf)
5013 struct net_device *dev = usb_get_intfdata(intf);
5014 struct r8192_priv *priv = ieee80211_priv(dev);
5017 unregister_netdev(dev);
5020 "=============>wlan driver to be removed\n");
5021 rtl8192_proc_remove_one(dev);
5024 kfree(priv->pFirmware);
5025 priv->pFirmware = NULL;
5026 rtl8192_usb_deleteendpoints(dev);
5029 free_ieee80211(dev);
5030 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5033 static int __init rtl8192_usb_module_init(void)
5037 #ifdef CONFIG_IEEE80211_DEBUG
5038 ret = ieee80211_debug_init();
5040 pr_err("ieee80211_debug_init() failed %d\n", ret);
5044 ret = ieee80211_crypto_init();
5046 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5050 ret = ieee80211_crypto_tkip_init();
5052 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5056 ret = ieee80211_crypto_ccmp_init();
5058 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5062 ret = ieee80211_crypto_wep_init();
5064 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5068 pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5069 pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5070 RT_TRACE(COMP_INIT, "Initializing module");
5071 RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5072 rtl8192_proc_module_init();
5073 return usb_register(&rtl8192_usb_driver);
5077 static void __exit rtl8192_usb_module_exit(void)
5079 usb_deregister(&rtl8192_usb_driver);
5081 RT_TRACE(COMP_DOWN, "Exiting");
5084 void EnableHWSecurityConfig8192(struct net_device *dev)
5086 u8 SECR_value = 0x0;
5087 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5088 struct ieee80211_device *ieee = priv->ieee80211;
5090 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5091 if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2)) {
5092 SECR_value |= SCR_RxUseDK;
5093 SECR_value |= SCR_TxUseDK;
5094 } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5095 SECR_value |= SCR_RxUseDK;
5096 SECR_value |= SCR_TxUseDK;
5098 /* add HWSec active enable here.
5099 * default using hwsec. when peer AP is in N mode only and
5100 * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5101 * it), use software security. when peer AP is in b,g,n mode mixed and
5102 * pairwise_key_type is none_aes, use g mode hw security.
5105 ieee->hwsec_active = 1;
5107 /* add hwsec_support flag to totol control hw_sec on/off */
5108 if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5109 ieee->hwsec_active = 0;
5110 SECR_value &= ~SCR_RxDecEnable;
5112 RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5113 __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5115 write_nic_byte(dev, SECR, SECR_value);
5119 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5120 u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5122 u32 TargetCommand = 0;
5123 u32 TargetContent = 0;
5127 if (EntryNo >= TOTAL_CAM_ENTRY)
5128 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5131 "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5132 dev, EntryNo, KeyIndex, KeyType, MacAddr);
5135 usConfig |= BIT(15) | (KeyType << 2);
5137 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5140 for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5141 TargetCommand = i + CAM_CONTENT_COUNT * EntryNo;
5142 TargetCommand |= BIT(31) | BIT(16);
5144 if (i == 0) { /* MAC|Config */
5145 TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5146 (u32)(*(MacAddr + 1)) << 24 |
5149 write_nic_dword(dev, WCAMI, TargetContent);
5150 write_nic_dword(dev, RWCAM, TargetCommand);
5151 } else if (i == 1) { /* MAC */
5152 TargetContent = (u32)(*(MacAddr + 2)) |
5153 (u32)(*(MacAddr + 3)) << 8 |
5154 (u32)(*(MacAddr + 4)) << 16 |
5155 (u32)(*(MacAddr + 5)) << 24;
5156 write_nic_dword(dev, WCAMI, TargetContent);
5157 write_nic_dword(dev, RWCAM, TargetCommand);
5161 write_nic_dword(dev, WCAMI, (u32)(*(KeyContent + i - 2)));
5162 write_nic_dword(dev, RWCAM, TargetCommand);
5168 /***************************************************************************
5169 ------------------- module init / exit stubs ----------------
5170 ****************************************************************************/
5171 module_init(rtl8192_usb_module_init);
5172 module_exit(rtl8192_usb_module_exit);