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, 0644);
118 module_param(hwwep, int, 0644);
119 module_param(channels, int, 0644);
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)->enabled = 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 int 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, 500);
273 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
279 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
282 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
283 struct usb_device *udev = priv->udev;
284 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
289 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
290 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
291 indx | 0xfe00, 0, usbdata, 1, 500);
296 netdev_err(dev, "%s failure status: %d\n", __func__, status);
303 /* as 92U has extend page from 4 to 16, so modify functions below. */
304 int write_nic_byte(struct net_device *dev, int indx, u8 data)
308 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
309 struct usb_device *udev = priv->udev;
310 u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
316 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
317 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
318 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
323 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
331 int write_nic_word(struct net_device *dev, int indx, u16 data)
335 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
336 struct usb_device *udev = priv->udev;
337 u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
343 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
344 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
345 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
350 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
358 int write_nic_dword(struct net_device *dev, int indx, u32 data)
362 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
363 struct usb_device *udev = priv->udev;
364 u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
370 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
371 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
372 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
378 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
387 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
390 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
391 struct usb_device *udev = priv->udev;
392 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
397 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
398 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
399 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
405 netdev_err(dev, "%s failure status: %d\n", __func__, status);
414 int read_nic_word(struct net_device *dev, int indx, u16 *data)
417 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
418 struct usb_device *udev = priv->udev;
419 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
424 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
425 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
426 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
432 netdev_err(dev, "%s failure status: %d\n", __func__, status);
439 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
442 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
443 struct usb_device *udev = priv->udev;
444 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
449 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
450 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
451 indx | 0xfe00, 0, usbdata, 2, 500);
456 netdev_err(dev, "%s failure status: %d\n", __func__, status);
463 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
467 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
468 struct usb_device *udev = priv->udev;
469 u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
474 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
475 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
476 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
482 netdev_err(dev, "%s failure status: %d\n", __func__, status);
489 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
490 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
491 /* this might still called in what was the PHY rtl8185/rtl8192 common code
492 * plans are to possibility turn it again in one common code...
494 inline void force_pci_posting(struct net_device *dev)
498 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
499 static void rtl8192_restart(struct work_struct *work);
500 static void watch_dog_timer_callback(struct timer_list *t);
502 /****************************************************************************
503 * -----------------------------PROCFS STUFF-------------------------
504 ****************************************************************************/
506 static struct proc_dir_entry *rtl8192_proc;
508 static int __maybe_unused proc_get_stats_ap(struct seq_file *m, void *v)
510 struct net_device *dev = m->private;
511 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
512 struct ieee80211_device *ieee = priv->ieee80211;
513 struct ieee80211_network *target;
515 list_for_each_entry(target, &ieee->network_list, list) {
516 const char *wpa = "non_WPA";
518 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
521 seq_printf(m, "%s %s\n", target->ssid, wpa);
527 static int __maybe_unused proc_get_registers(struct seq_file *m, void *v)
529 struct net_device *dev = m->private;
530 int i, n, max = 0xff;
533 seq_puts(m, "\n####################page 0##################\n ");
535 for (n = 0; n <= max;) {
536 seq_printf(m, "\nD: %2x > ", n);
538 for (i = 0; i < 16 && n <= max; i++, n++) {
539 read_nic_byte(dev, 0x000 | n, &byte_rd);
540 seq_printf(m, "%2x ", byte_rd);
544 seq_puts(m, "\n####################page 1##################\n ");
545 for (n = 0; n <= max;) {
546 seq_printf(m, "\nD: %2x > ", n);
548 for (i = 0; i < 16 && n <= max; i++, n++) {
549 read_nic_byte(dev, 0x100 | n, &byte_rd);
550 seq_printf(m, "%2x ", byte_rd);
554 seq_puts(m, "\n####################page 3##################\n ");
555 for (n = 0; n <= max;) {
556 seq_printf(m, "\nD: %2x > ", n);
558 for (i = 0; i < 16 && n <= max; i++, n++) {
559 read_nic_byte(dev, 0x300 | n, &byte_rd);
560 seq_printf(m, "%2x ", byte_rd);
568 static int __maybe_unused proc_get_stats_tx(struct seq_file *m, void *v)
570 struct net_device *dev = m->private;
571 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
574 "TX VI priority ok int: %lu\n"
575 "TX VI priority error int: %lu\n"
576 "TX VO priority ok int: %lu\n"
577 "TX VO priority error int: %lu\n"
578 "TX BE priority ok int: %lu\n"
579 "TX BE priority error int: %lu\n"
580 "TX BK priority ok int: %lu\n"
581 "TX BK priority error int: %lu\n"
582 "TX MANAGE priority ok int: %lu\n"
583 "TX MANAGE priority error int: %lu\n"
584 "TX BEACON priority ok int: %lu\n"
585 "TX BEACON priority error int: %lu\n"
586 "TX queue resume: %lu\n"
587 "TX queue stopped?: %d\n"
588 "TX fifo overflow: %lu\n"
593 "TX VI dropped: %lu\n"
594 "TX VO dropped: %lu\n"
595 "TX BE dropped: %lu\n"
596 "TX BK dropped: %lu\n"
597 "TX total data packets %lu\n",
598 priv->stats.txviokint,
600 priv->stats.txvookint,
602 priv->stats.txbeokint,
604 priv->stats.txbkokint,
606 priv->stats.txmanageokint,
607 priv->stats.txmanageerr,
608 priv->stats.txbeaconokint,
609 priv->stats.txbeaconerr,
610 priv->stats.txresumed,
611 netif_queue_stopped(dev),
612 priv->stats.txoverflow,
613 atomic_read(&(priv->tx_pending[VI_PRIORITY])),
614 atomic_read(&(priv->tx_pending[VO_PRIORITY])),
615 atomic_read(&(priv->tx_pending[BE_PRIORITY])),
616 atomic_read(&(priv->tx_pending[BK_PRIORITY])),
617 priv->stats.txvidrop,
618 priv->stats.txvodrop,
619 priv->stats.txbedrop,
620 priv->stats.txbkdrop,
621 priv->stats.txdatapkt
627 static int __maybe_unused proc_get_stats_rx(struct seq_file *m, void *v)
629 struct net_device *dev = m->private;
630 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
634 "RX urb status error: %lu\n"
635 "RX invalid urb error: %lu\n",
636 priv->stats.rxoktotal,
637 priv->stats.rxstaterr,
638 priv->stats.rxurberr);
643 static void rtl8192_proc_module_init(void)
645 RT_TRACE(COMP_INIT, "Initializing proc filesystem");
646 rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
649 static void rtl8192_proc_init_one(struct net_device *dev)
651 struct proc_dir_entry *dir;
656 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
660 proc_create_single("stats-rx", S_IFREG | S_IRUGO, dir,
662 proc_create_single("stats-tx", S_IFREG | S_IRUGO, dir,
664 proc_create_single("stats-ap", S_IFREG | S_IRUGO, dir,
666 proc_create_single("registers", S_IFREG | S_IRUGO, dir,
670 static void rtl8192_proc_remove_one(struct net_device *dev)
672 remove_proc_subtree(dev->name, rtl8192_proc);
675 /****************************************************************************
676 * -----------------------------MISC STUFF-------------------------
677 *****************************************************************************/
679 short check_nic_enough_desc(struct net_device *dev, int queue_index)
681 struct r8192_priv *priv = ieee80211_priv(dev);
682 int used = atomic_read(&priv->tx_pending[queue_index]);
684 return (used < MAX_TX_URB);
687 static void tx_timeout(struct net_device *dev)
689 struct r8192_priv *priv = ieee80211_priv(dev);
691 schedule_work(&priv->reset_wq);
694 void rtl8192_update_msr(struct net_device *dev)
696 struct r8192_priv *priv = ieee80211_priv(dev);
699 read_nic_byte(dev, MSR, &msr);
700 msr &= ~MSR_LINK_MASK;
702 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
703 * msr must be updated if the state is ASSOCIATING.
704 * this is intentional and make sense for ad-hoc and
705 * master (see the create BSS/IBSS func)
707 if (priv->ieee80211->state == IEEE80211_LINKED) {
708 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
709 msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
710 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
711 msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
712 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
713 msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
716 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
719 write_nic_byte(dev, MSR, msr);
722 void rtl8192_set_chan(struct net_device *dev, short ch)
724 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
726 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
729 /* this hack should avoid frame TX during channel setting*/
731 /* need to implement rf set channel here */
733 if (priv->rf_set_chan)
734 priv->rf_set_chan(dev, priv->chan);
738 static void rtl8192_rx_isr(struct urb *urb);
740 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
742 return (sizeof(struct rx_desc_819x_usb) + pstats->RxDrvInfoSize
743 + pstats->RxBufShift);
746 static int rtl8192_rx_initiate(struct net_device *dev)
748 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
751 struct rtl8192_rx_info *info;
753 /* nomal packet rx procedure */
754 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
755 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
758 entry = usb_alloc_urb(0, GFP_KERNEL);
763 usb_fill_bulk_urb(entry, priv->udev,
764 usb_rcvbulkpipe(priv->udev, 3),
765 skb_tail_pointer(skb),
766 RX_URB_SIZE, rtl8192_rx_isr, skb);
767 info = (struct rtl8192_rx_info *)skb->cb;
770 info->out_pipe = 3; /* denote rx normal packet queue */
771 skb_queue_tail(&priv->rx_queue, skb);
772 usb_submit_urb(entry, GFP_KERNEL);
775 /* command packet rx procedure */
776 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
777 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
780 entry = usb_alloc_urb(0, GFP_KERNEL);
785 usb_fill_bulk_urb(entry, priv->udev,
786 usb_rcvbulkpipe(priv->udev, 9),
787 skb_tail_pointer(skb),
788 RX_URB_SIZE, rtl8192_rx_isr, skb);
789 info = (struct rtl8192_rx_info *)skb->cb;
792 info->out_pipe = 9; /* denote rx cmd packet queue */
793 skb_queue_tail(&priv->rx_queue, skb);
794 usb_submit_urb(entry, GFP_KERNEL);
800 void rtl8192_set_rxconf(struct net_device *dev)
802 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
805 read_nic_dword(dev, RCR, &rxconf);
806 rxconf = rxconf & ~MAC_FILTER_MASK;
807 rxconf = rxconf | RCR_AMF;
808 rxconf = rxconf | RCR_ADF;
809 rxconf = rxconf | RCR_AB;
810 rxconf = rxconf | RCR_AM;
812 if (dev->flags & IFF_PROMISC)
813 DMESG("NIC in promisc mode");
815 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
816 dev->flags & IFF_PROMISC) {
817 rxconf = rxconf | RCR_AAP;
819 rxconf = rxconf | RCR_APM;
820 rxconf = rxconf | RCR_CBSSID;
824 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
825 rxconf = rxconf | RCR_AICV;
826 rxconf = rxconf | RCR_APWRMGT;
829 if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
830 rxconf = rxconf | RCR_ACRC32;
833 rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
834 rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
835 rxconf = rxconf & ~MAX_RX_DMA_MASK;
836 rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
838 rxconf = rxconf | RCR_ONLYERLPKT;
840 write_nic_dword(dev, RCR, rxconf);
843 /* wait to be removed */
844 void rtl8192_rx_enable(struct net_device *dev)
846 rtl8192_rx_initiate(dev);
850 void rtl8192_tx_enable(struct net_device *dev)
856 void rtl8192_rtx_disable(struct net_device *dev)
859 struct r8192_priv *priv = ieee80211_priv(dev);
861 struct rtl8192_rx_info *info;
863 read_nic_byte(dev, CMDR, &cmd);
864 write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
865 force_pci_posting(dev);
868 while ((skb = __skb_dequeue(&priv->rx_queue))) {
869 info = (struct rtl8192_rx_info *)skb->cb;
873 usb_kill_urb(info->urb);
877 if (skb_queue_len(&priv->skb_queue))
878 netdev_warn(dev, "skb_queue not empty\n");
880 skb_queue_purge(&priv->skb_queue);
883 /* The prototype of rx_isr has changed since one version of Linux Kernel */
884 static void rtl8192_rx_isr(struct urb *urb)
886 struct sk_buff *skb = (struct sk_buff *)urb->context;
887 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
888 struct net_device *dev = info->dev;
889 struct r8192_priv *priv = ieee80211_priv(dev);
890 int out_pipe = info->out_pipe;
896 if (unlikely(urb->status)) {
898 priv->stats.rxstaterr++;
899 priv->ieee80211->stats.rx_errors++;
903 skb_unlink(skb, &priv->rx_queue);
904 skb_put(skb, urb->actual_length);
906 skb_queue_tail(&priv->skb_queue, skb);
907 tasklet_schedule(&priv->irq_rx_tasklet);
909 skb = dev_alloc_skb(RX_URB_SIZE);
910 if (unlikely(!skb)) {
912 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
913 /* TODO check rx queue length and refill *somewhere* */
917 usb_fill_bulk_urb(urb, priv->udev,
918 usb_rcvbulkpipe(priv->udev, out_pipe),
919 skb_tail_pointer(skb),
920 RX_URB_SIZE, rtl8192_rx_isr, skb);
922 info = (struct rtl8192_rx_info *)skb->cb;
925 info->out_pipe = out_pipe;
927 urb->transfer_buffer = skb_tail_pointer(skb);
929 skb_queue_tail(&priv->rx_queue, skb);
930 err = usb_submit_urb(urb, GFP_ATOMIC);
931 if (err && err != EPERM)
933 "can not submit rxurb, err is %x, URB status is %x\n",
937 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
938 struct ieee80211_rx_stats *pstats)
942 status = cmpk_message_handle_rx(dev, pstats);
944 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
950 static void rtl8192_data_hard_stop(struct net_device *dev)
956 static void rtl8192_data_hard_resume(struct net_device *dev)
961 /* this function TX data frames when the ieee80211 stack requires this.
962 * It checks also if we need to stop the ieee tx queue, eventually do it
964 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
967 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
970 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
971 u8 queue_index = tcb_desc->queue_index;
973 /* shall not be referred by command packet */
974 RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
976 spin_lock_irqsave(&priv->tx_lock, flags);
978 *(struct net_device **)(skb->cb) = dev;
979 tcb_desc->bTxEnableFwCalcDur = 1;
980 skb_push(skb, priv->ieee80211->tx_headroom);
981 ret = rtl8192_tx(dev, skb);
983 spin_unlock_irqrestore(&priv->tx_lock, flags);
986 /* This is a rough attempt to TX a frame
987 * This is called by the ieee 80211 stack to TX management frames.
988 * If the ring is full packet are dropped (for data frame the queue
989 * is stopped before this can happen).
991 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
993 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
996 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
997 u8 queue_index = tcb_desc->queue_index;
1000 spin_lock_irqsave(&priv->tx_lock, flags);
1002 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1003 if (queue_index == TXCMD_QUEUE) {
1004 skb_push(skb, USB_HWDESC_HEADER_LEN);
1005 rtl819xU_tx_cmd(dev, skb);
1008 skb_push(skb, priv->ieee80211->tx_headroom);
1009 ret = rtl8192_tx(dev, skb);
1012 spin_unlock_irqrestore(&priv->tx_lock, flags);
1017 static void rtl8192_tx_isr(struct urb *tx_urb)
1019 struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1020 struct net_device *dev;
1021 struct r8192_priv *priv = NULL;
1022 struct cb_desc *tcb_desc;
1028 dev = *(struct net_device **)(skb->cb);
1029 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1030 queue_index = tcb_desc->queue_index;
1032 priv = ieee80211_priv(dev);
1034 if (tcb_desc->queue_index != TXCMD_QUEUE) {
1035 if (tx_urb->status == 0) {
1036 netif_trans_update(dev);
1037 priv->stats.txoktotal++;
1038 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1039 priv->stats.txbytesunicast +=
1040 (skb->len - priv->ieee80211->tx_headroom);
1042 priv->ieee80211->stats.tx_errors++;
1047 /* free skb and tx_urb */
1048 dev_kfree_skb_any(skb);
1049 usb_free_urb(tx_urb);
1050 atomic_dec(&priv->tx_pending[queue_index]);
1054 * We had transfer our beacon frame to host controller at this moment.
1058 * Handling the wait queue of command packets.
1059 * For Tx command packets, we must not do TCB fragment because it is
1060 * not handled right now. We must cut the packets to match the size of
1061 * TX_CMD_PKT before we send it.
1064 /* Handle MPDU in wait queue. */
1065 if (queue_index != BEACON_QUEUE) {
1066 /* Don't send data frame during scanning.*/
1067 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1068 (!(priv->ieee80211->queue_stop))) {
1069 skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1071 priv->ieee80211->softmac_hard_start_xmit(skb,
1074 return; /* avoid further processing AMSDU */
1079 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1081 struct r8192_priv *priv = ieee80211_priv(dev);
1082 struct ieee80211_network *net;
1083 u8 i = 0, basic_rate = 0;
1085 net = &priv->ieee80211->current_network;
1087 for (i = 0; i < net->rates_len; i++) {
1088 basic_rate = net->rates[i] & 0x7f;
1089 switch (basic_rate) {
1091 *rate_config |= RRSR_1M;
1094 *rate_config |= RRSR_2M;
1097 *rate_config |= RRSR_5_5M;
1100 *rate_config |= RRSR_11M;
1103 *rate_config |= RRSR_6M;
1106 *rate_config |= RRSR_9M;
1109 *rate_config |= RRSR_12M;
1112 *rate_config |= RRSR_18M;
1115 *rate_config |= RRSR_24M;
1118 *rate_config |= RRSR_36M;
1121 *rate_config |= RRSR_48M;
1124 *rate_config |= RRSR_54M;
1128 for (i = 0; i < net->rates_ex_len; i++) {
1129 basic_rate = net->rates_ex[i] & 0x7f;
1130 switch (basic_rate) {
1132 *rate_config |= RRSR_1M;
1135 *rate_config |= RRSR_2M;
1138 *rate_config |= RRSR_5_5M;
1141 *rate_config |= RRSR_11M;
1144 *rate_config |= RRSR_6M;
1147 *rate_config |= RRSR_9M;
1150 *rate_config |= RRSR_12M;
1153 *rate_config |= RRSR_18M;
1156 *rate_config |= RRSR_24M;
1159 *rate_config |= RRSR_36M;
1162 *rate_config |= RRSR_48M;
1165 *rate_config |= RRSR_54M;
1172 #define SHORT_SLOT_TIME 9
1173 #define NON_SHORT_SLOT_TIME 20
1175 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1178 struct r8192_priv *priv = ieee80211_priv(dev);
1179 struct ieee80211_network *net = &priv->ieee80211->current_network;
1181 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1182 tmp = priv->basic_rate;
1183 if (priv->short_preamble)
1184 tmp |= BRSR_AckShortPmb;
1185 write_nic_dword(dev, RRSR, tmp);
1187 if (net->mode & (IEEE_G | IEEE_N_24G)) {
1190 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1191 (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1192 /* short slot time */
1193 slot_time = SHORT_SLOT_TIME;
1194 else /* long slot time */
1195 slot_time = NON_SHORT_SLOT_TIME;
1196 priv->slot_time = slot_time;
1197 write_nic_byte(dev, SLOT_TIME, slot_time);
1201 static void rtl8192_net_update(struct net_device *dev)
1203 struct r8192_priv *priv = ieee80211_priv(dev);
1204 struct ieee80211_network *net;
1205 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1206 u16 rate_config = 0;
1208 net = &priv->ieee80211->current_network;
1210 rtl8192_config_rate(dev, &rate_config);
1211 priv->basic_rate = rate_config & 0x15f;
1213 write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1214 write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1216 rtl8192_update_msr(dev);
1217 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1218 write_nic_word(dev, ATIMWND, 2);
1219 write_nic_word(dev, BCN_DMATIME, 1023);
1220 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1221 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1222 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1223 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1224 /* TODO: BcnIFS may required to be changed on ASIC */
1225 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1227 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1231 /* temporary hw beacon is not used any more.
1232 * open it when necessary
1234 void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate)
1239 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1241 struct r8192_priv *priv = ieee80211_priv(dev);
1244 unsigned int idx_pipe;
1245 struct tx_desc_cmd_819x_usb *pdesc = (struct tx_desc_cmd_819x_usb *)skb->data;
1246 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1247 u8 queue_index = tcb_desc->queue_index;
1249 atomic_inc(&priv->tx_pending[queue_index]);
1250 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1256 memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1257 /* Tx descriptor ought to be set according to the skb->cb */
1258 pdesc->FirstSeg = 1;
1260 pdesc->CmdInit = tcb_desc->bCmdOrInit;
1261 pdesc->TxBufferSize = tcb_desc->txbuf_size;
1263 pdesc->LINIP = tcb_desc->bLastIniPkt;
1265 /*---------------------------------------------------------------------
1266 * Fill up USB_OUT_CONTEXT.
1267 *---------------------------------------------------------------------
1270 usb_fill_bulk_urb(tx_urb, priv->udev,
1271 usb_sndbulkpipe(priv->udev, idx_pipe),
1272 skb->data, skb->len, rtl8192_tx_isr, skb);
1274 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1279 DMESGE("Error TX CMD URB, error %d", status);
1284 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1285 * in TxFwInfo data structure
1286 * 2006.10.30 by Emily
1288 * \param QUEUEID Software Queue
1290 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1292 u8 QueueSelect = 0x0; /* default set to */
1296 QueueSelect = QSLT_BE;
1300 QueueSelect = QSLT_BK;
1304 QueueSelect = QSLT_VO;
1308 QueueSelect = QSLT_VI;
1311 QueueSelect = QSLT_MGNT;
1315 QueueSelect = QSLT_BEACON;
1318 /* TODO: mark other queue selection until we verify it is OK */
1319 /* TODO: Remove Assertions */
1321 QueueSelect = QSLT_CMD;
1324 QueueSelect = QSLT_HIGH;
1329 "TransmitTCB(): Impossible Queue Selection: %d\n",
1336 static u8 MRateToHwRate8190Pci(u8 rate)
1338 u8 ret = DESC90_RATE1M;
1342 ret = DESC90_RATE1M;
1345 ret = DESC90_RATE2M;
1348 ret = DESC90_RATE5_5M;
1351 ret = DESC90_RATE11M;
1354 ret = DESC90_RATE6M;
1357 ret = DESC90_RATE9M;
1360 ret = DESC90_RATE12M;
1363 ret = DESC90_RATE18M;
1366 ret = DESC90_RATE24M;
1369 ret = DESC90_RATE36M;
1372 ret = DESC90_RATE48M;
1375 ret = DESC90_RATE54M;
1378 /* HT rate since here */
1380 ret = DESC90_RATEMCS0;
1383 ret = DESC90_RATEMCS1;
1386 ret = DESC90_RATEMCS2;
1389 ret = DESC90_RATEMCS3;
1392 ret = DESC90_RATEMCS4;
1395 ret = DESC90_RATEMCS5;
1398 ret = DESC90_RATEMCS6;
1401 ret = DESC90_RATEMCS7;
1404 ret = DESC90_RATEMCS8;
1407 ret = DESC90_RATEMCS9;
1410 ret = DESC90_RATEMCS10;
1413 ret = DESC90_RATEMCS11;
1416 ret = DESC90_RATEMCS12;
1419 ret = DESC90_RATEMCS13;
1422 ret = DESC90_RATEMCS14;
1425 ret = DESC90_RATEMCS15;
1428 ret = DESC90_RATEMCS32;
1438 static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc)
1442 tmp_Short = (TxHT == 1) ?
1443 ((tcb_desc->bUseShortGI) ? 1 : 0) :
1444 ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1446 if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1452 static void tx_zero_isr(struct urb *tx_urb)
1457 * The tx procedure is just as following,
1458 * skb->cb will contain all the following information,
1459 * priority, morefrag, rate, &dev.
1461 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1463 struct r8192_priv *priv = ieee80211_priv(dev);
1464 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1465 struct tx_desc_819x_usb *tx_desc = (struct tx_desc_819x_usb *)skb->data;
1466 struct tx_fwinfo_819x_usb *tx_fwinfo =
1467 (struct tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1468 struct usb_device *udev = priv->udev;
1470 int status, rt = -1;
1471 struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1472 unsigned int idx_pipe;
1474 pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1475 /* we are locked here so the two atomic_read and inc are executed
1476 * without interleaves
1477 * !!! For debug purpose
1479 if (pend > MAX_TX_URB) {
1480 netdev_dbg(dev, "To discard skb packet!\n");
1481 dev_kfree_skb_any(skb);
1485 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1487 dev_kfree_skb_any(skb);
1491 /* Fill Tx firmware info */
1492 memset(tx_fwinfo, 0, sizeof(struct tx_fwinfo_819x_usb));
1494 tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1495 tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1496 tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1497 tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1499 if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1500 tx_fwinfo->AllowAggregation = 1;
1502 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1503 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1505 tx_fwinfo->AllowAggregation = 0;
1507 tx_fwinfo->RxMF = 0;
1508 tx_fwinfo->RxAMD = 0;
1511 /* Protection mode related */
1512 tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1513 tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1514 tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1515 tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1516 tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1517 tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1518 tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1519 tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1520 (tcb_desc->bRTSUseShortGI ? 1 : 0);
1522 /* Set Bandwidth and sub-channel settings. */
1523 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1524 if (tcb_desc->bPacketBW) {
1525 tx_fwinfo->TxBandwidth = 1;
1526 /* use duplicated mode */
1527 tx_fwinfo->TxSubCarrier = 0;
1529 tx_fwinfo->TxBandwidth = 0;
1530 tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1533 tx_fwinfo->TxBandwidth = 0;
1534 tx_fwinfo->TxSubCarrier = 0;
1537 /* Fill Tx descriptor */
1538 memset(tx_desc, 0, sizeof(struct tx_desc_819x_usb));
1541 tx_desc->CmdInit = 1;
1542 tx_desc->Offset = sizeof(struct tx_fwinfo_819x_usb) + 8;
1543 tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1546 tx_desc->SecCAMID = 0;
1547 tx_desc->RATid = tcb_desc->RATRIndex;
1549 tx_desc->SecType = 0x0;
1550 if (tcb_desc->bHwSec) {
1551 switch (priv->ieee80211->pairwise_key_type) {
1552 case KEY_TYPE_WEP40:
1553 case KEY_TYPE_WEP104:
1554 tx_desc->SecType = 0x1;
1558 tx_desc->SecType = 0x2;
1562 tx_desc->SecType = 0x3;
1566 tx_desc->SecType = 0x0;
1572 tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1573 tx_desc->TxFWInfoSize = sizeof(struct tx_fwinfo_819x_usb);
1575 tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1576 tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1578 /* Fill fields that are required to be initialized in
1579 * all of the descriptors
1582 tx_desc->FirstSeg = 1;
1583 tx_desc->LastSeg = 1;
1587 tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1590 /* To submit bulk urb */
1591 usb_fill_bulk_urb(tx_urb, udev,
1592 usb_sndbulkpipe(udev, idx_pipe), skb->data,
1593 skb->len, rtl8192_tx_isr, skb);
1595 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1597 /* We need to send 0 byte packet whenever
1598 * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1599 * been transmitted. Otherwise, it will be halt to wait for
1602 bool bSend0Byte = false;
1605 if (udev->speed == USB_SPEED_HIGH) {
1606 if (skb->len > 0 && skb->len % 512 == 0)
1609 if (skb->len > 0 && skb->len % 64 == 0)
1613 tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1618 usb_fill_bulk_urb(tx_urb_zero, udev,
1619 usb_sndbulkpipe(udev, idx_pipe),
1620 &zero, 0, tx_zero_isr, dev);
1621 status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1624 "Error TX URB for zero byte %d, error %d",
1625 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1630 netif_trans_update(dev);
1631 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1635 RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1636 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1640 dev_kfree_skb_any(skb);
1641 usb_free_urb(tx_urb);
1642 usb_free_urb(tx_urb_zero);
1646 static short rtl8192_usb_initendpoints(struct net_device *dev)
1648 struct r8192_priv *priv = ieee80211_priv(dev);
1650 priv->rx_urb = kmalloc_array(MAX_RX_URB + 1, sizeof(struct urb *),
1655 #ifndef JACKSON_NEW_RX
1656 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1657 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1658 if (!priv->rx_urb[i])
1661 priv->rx_urb[i]->transfer_buffer =
1662 kmalloc(RX_URB_SIZE, GFP_KERNEL);
1663 if (!priv->rx_urb[i]->transfer_buffer)
1666 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1670 #ifdef THOMAS_BEACON
1673 void *oldaddr, *newaddr;
1675 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1676 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1679 oldaddr = priv->oldaddr;
1680 align = ((long)oldaddr) & 3;
1682 newaddr = oldaddr + 4 - align;
1683 priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1686 priv->rx_urb[16]->transfer_buffer_length = 16;
1688 priv->rx_urb[16]->transfer_buffer = newaddr;
1692 memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1693 priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1695 if (!priv->pp_rxskb) {
1696 kfree(priv->rx_urb);
1698 priv->pp_rxskb = NULL;
1699 priv->rx_urb = NULL;
1701 DMESGE("Endpoint Alloc Failure");
1705 netdev_dbg(dev, "End of initendpoints\n");
1709 #ifdef THOMAS_BEACON
1710 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1713 struct r8192_priv *priv = ieee80211_priv(dev);
1716 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1717 usb_kill_urb(priv->rx_urb[i]);
1718 usb_free_urb(priv->rx_urb[i]);
1720 kfree(priv->rx_urb);
1721 priv->rx_urb = NULL;
1723 kfree(priv->oldaddr);
1724 priv->oldaddr = NULL;
1726 kfree(priv->pp_rxskb);
1727 priv->pp_rxskb = NULL;
1730 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1733 struct r8192_priv *priv = ieee80211_priv(dev);
1735 #ifndef JACKSON_NEW_RX
1738 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1739 usb_kill_urb(priv->rx_urb[i]);
1740 kfree(priv->rx_urb[i]->transfer_buffer);
1741 usb_free_urb(priv->rx_urb[i]);
1743 kfree(priv->rx_urb);
1744 priv->rx_urb = NULL;
1747 kfree(priv->rx_urb);
1748 priv->rx_urb = NULL;
1749 kfree(priv->oldaddr);
1750 priv->oldaddr = NULL;
1752 kfree(priv->pp_rxskb);
1759 static void rtl8192_update_ratr_table(struct net_device *dev);
1760 static void rtl8192_link_change(struct net_device *dev)
1762 struct r8192_priv *priv = ieee80211_priv(dev);
1763 struct ieee80211_device *ieee = priv->ieee80211;
1765 if (ieee->state == IEEE80211_LINKED) {
1766 rtl8192_net_update(dev);
1767 rtl8192_update_ratr_table(dev);
1768 /* Add this as in pure N mode, wep encryption will use software
1769 * way, but there is no chance to set this as wep will not set
1770 * group key in wext.
1772 if (ieee->pairwise_key_type == KEY_TYPE_WEP40 ||
1773 ieee->pairwise_key_type == KEY_TYPE_WEP104)
1774 EnableHWSecurityConfig8192(dev);
1776 /*update timing params*/
1777 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1780 read_nic_dword(dev, RCR, ®);
1781 if (priv->ieee80211->state == IEEE80211_LINKED)
1782 priv->ReceiveConfig = reg |= RCR_CBSSID;
1784 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1785 write_nic_dword(dev, RCR, reg);
1789 static const struct ieee80211_qos_parameters def_qos_parameters = {
1790 {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1791 {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1792 {2, 2, 2, 2},/* aifs */
1793 {0, 0, 0, 0},/* flags */
1794 {0, 0, 0, 0} /* tx_op_limit */
1798 static void rtl8192_update_beacon(struct work_struct *work)
1800 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1801 update_beacon_wq.work);
1802 struct net_device *dev = priv->ieee80211->dev;
1803 struct ieee80211_device *ieee = priv->ieee80211;
1804 struct ieee80211_network *net = &ieee->current_network;
1806 if (ieee->pHTInfo->bCurrentHTSupport)
1807 HTUpdateSelfAndPeerSetting(ieee, net);
1808 ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1809 net->bssht.bdRT2RTLongSlotTime;
1810 rtl8192_update_cap(dev, net->capability);
1814 * background support to run QoS activate functionality
1816 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1817 EDCAPARA_VI, EDCAPARA_VO};
1818 static void rtl8192_qos_activate(struct work_struct *work)
1820 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1822 struct net_device *dev = priv->ieee80211->dev;
1823 struct ieee80211_qos_parameters *qos_parameters =
1824 &priv->ieee80211->current_network.qos_data.parameters;
1825 u8 mode = priv->ieee80211->current_network.mode;
1833 mutex_lock(&priv->mutex);
1834 if (priv->ieee80211->state != IEEE80211_LINKED)
1837 "qos active process with associate response received\n");
1838 /* It better set slot time at first
1840 * For we just support b/g mode at present, let the slot time at
1843 * update the ac parameter to related registers
1845 for (i = 0; i < QOS_QUEUE_NUM; i++) {
1846 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1847 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1848 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1849 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1850 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1851 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1852 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1853 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1854 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1855 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1856 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1860 mutex_unlock(&priv->mutex);
1863 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1865 struct ieee80211_network *network)
1868 u32 size = sizeof(struct ieee80211_qos_parameters);
1870 if (priv->ieee80211->state != IEEE80211_LINKED)
1873 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1876 if (network->flags & NETWORK_HAS_QOS_MASK) {
1877 if (active_network &&
1878 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1879 network->qos_data.active = network->qos_data.supported;
1881 if ((network->qos_data.active == 1) && (active_network == 1) &&
1882 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1883 (network->qos_data.old_param_count !=
1884 network->qos_data.param_count)) {
1885 network->qos_data.old_param_count =
1886 network->qos_data.param_count;
1887 schedule_work(&priv->qos_activate);
1889 "QoS parameters change call qos_activate\n");
1892 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1893 &def_qos_parameters, size);
1895 if ((network->qos_data.active == 1) && (active_network == 1)) {
1896 schedule_work(&priv->qos_activate);
1898 "QoS was disabled call qos_activate\n");
1900 network->qos_data.active = 0;
1901 network->qos_data.supported = 0;
1907 /* handle and manage frame from beacon and probe response */
1908 static int rtl8192_handle_beacon(struct net_device *dev,
1909 struct ieee80211_beacon *beacon,
1910 struct ieee80211_network *network)
1912 struct r8192_priv *priv = ieee80211_priv(dev);
1914 rtl8192_qos_handle_probe_response(priv, 1, network);
1915 schedule_delayed_work(&priv->update_beacon_wq, 0);
1920 * handling the beaconing responses. if we get different QoS setting
1921 * off the network from the associated setting, adjust the QoS
1924 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1925 struct ieee80211_network *network)
1927 unsigned long flags;
1928 u32 size = sizeof(struct ieee80211_qos_parameters);
1929 int set_qos_param = 0;
1931 if (!priv || !network)
1934 if (priv->ieee80211->state != IEEE80211_LINKED)
1937 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1940 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1941 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1942 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1943 &network->qos_data.parameters,
1944 sizeof(struct ieee80211_qos_parameters));
1945 priv->ieee80211->current_network.qos_data.active = 1;
1947 /* update qos parameter for current network */
1948 priv->ieee80211->current_network.qos_data.old_param_count =
1949 priv->ieee80211->current_network.qos_data.param_count;
1950 priv->ieee80211->current_network.qos_data.param_count =
1951 network->qos_data.param_count;
1953 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1954 &def_qos_parameters, size);
1955 priv->ieee80211->current_network.qos_data.active = 0;
1956 priv->ieee80211->current_network.qos_data.supported = 0;
1960 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1962 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1964 priv->ieee80211->current_network.qos_data.active);
1965 if (set_qos_param == 1)
1966 schedule_work(&priv->qos_activate);
1973 static int rtl8192_handle_assoc_response(
1974 struct net_device *dev,
1975 struct ieee80211_assoc_response_frame *resp,
1976 struct ieee80211_network *network)
1978 struct r8192_priv *priv = ieee80211_priv(dev);
1980 rtl8192_qos_association_resp(priv, network);
1985 static void rtl8192_update_ratr_table(struct net_device *dev)
1987 struct r8192_priv *priv = ieee80211_priv(dev);
1988 struct ieee80211_device *ieee = priv->ieee80211;
1989 u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
1993 rtl8192_config_rate(dev, (u16 *)(&ratr_value));
1994 ratr_value |= (*(u16 *)(pMcsRate)) << 12;
1995 switch (ieee->mode) {
1997 ratr_value &= 0x00000FF0;
2000 ratr_value &= 0x0000000F;
2003 ratr_value &= 0x00000FF7;
2007 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2008 ratr_value &= 0x0007F007;
2010 if (priv->rf_type == RF_1T2R)
2011 ratr_value &= 0x000FF007;
2013 ratr_value &= 0x0F81F007;
2019 ratr_value &= 0x0FFFFFFF;
2020 if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2021 ratr_value |= 0x80000000;
2022 else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2023 ieee->pHTInfo->bCurShortGI20MHz)
2024 ratr_value |= 0x80000000;
2025 write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2026 write_nic_byte(dev, UFWP, 1);
2029 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2030 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2031 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2033 struct r8192_priv *priv = ieee80211_priv(dev);
2034 struct ieee80211_device *ieee = priv->ieee80211;
2035 struct ieee80211_network *network = &ieee->current_network;
2036 int wpa_ie_len = ieee->wpa_ie_len;
2037 struct ieee80211_crypt_data *crypt;
2040 crypt = ieee->crypt[ieee->tx_keyidx];
2041 /* we use connecting AP's capability instead of only security config
2042 * on our driver to distinguish whether it should use N mode or G mode
2044 encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2045 (ieee->host_encrypt && crypt && crypt->ops &&
2046 (strcmp(crypt->ops->name, "WEP") == 0));
2049 if (encrypt && (wpa_ie_len == 0)) {
2050 /* wep encryption, no N mode setting */
2052 } else if ((wpa_ie_len != 0)) {
2053 /* parse pairwise key type */
2054 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))))
2065 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2067 struct r8192_priv *priv = ieee80211_priv(dev);
2069 return priv->ieee80211->bHalfWirelessN24GMode;
2072 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2074 struct ieee80211_device *ieee = priv->ieee80211;
2075 /* We do not consider set support rate for ABG mode, only
2076 * HT MCS rate is set here.
2078 if (ieee->mode == WIRELESS_MODE_N_24G ||
2079 ieee->mode == WIRELESS_MODE_N_5G)
2080 memcpy(ieee->Regdot11HTOperationalRateSet,
2081 ieee->RegHTSuppRateSet, 16);
2083 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2086 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2088 struct r8192_priv *priv = ieee80211_priv(dev);
2091 switch (priv->rf_chip) {
2095 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2098 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2101 ret = WIRELESS_MODE_B;
2107 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2109 struct r8192_priv *priv = ieee80211_priv(dev);
2110 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2112 if (wireless_mode == WIRELESS_MODE_AUTO ||
2113 (wireless_mode & bSupportMode) == 0) {
2114 if (bSupportMode & WIRELESS_MODE_N_24G) {
2115 wireless_mode = WIRELESS_MODE_N_24G;
2116 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2117 wireless_mode = WIRELESS_MODE_N_5G;
2118 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2119 wireless_mode = WIRELESS_MODE_A;
2120 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2121 wireless_mode = WIRELESS_MODE_G;
2122 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2123 wireless_mode = WIRELESS_MODE_B;
2126 "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2127 __func__, bSupportMode);
2128 wireless_mode = WIRELESS_MODE_B;
2132 /* TODO: this function doesn't work well at this time,
2133 * we should wait for FPGA
2135 ActUpdateChannelAccessSetting(
2136 pAdapter, pHalData->CurrentWirelessMode,
2137 &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2139 priv->ieee80211->mode = wireless_mode;
2141 if (wireless_mode == WIRELESS_MODE_N_24G ||
2142 wireless_mode == WIRELESS_MODE_N_5G)
2143 priv->ieee80211->pHTInfo->bEnableHT = 1;
2145 priv->ieee80211->pHTInfo->bEnableHT = 0;
2146 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2147 rtl8192_refresh_supportrate(priv);
2150 /* init priv variables here. only non_zero value should be initialized here. */
2151 static void rtl8192_init_priv_variable(struct net_device *dev)
2153 struct r8192_priv *priv = ieee80211_priv(dev);
2156 priv->card_8192 = NIC_8192U;
2157 priv->chan = 1; /* set to channel 1 */
2158 priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2159 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2160 priv->ieee80211->ieee_up = 0;
2161 priv->retry_rts = DEFAULT_RETRY_RTS;
2162 priv->retry_data = DEFAULT_RETRY_DATA;
2163 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2164 priv->ieee80211->rate = 110; /* 11 mbps */
2165 priv->ieee80211->short_slot = 1;
2166 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2168 /* for silent reset */
2169 priv->IrpPendingCount = 1;
2170 priv->ResetProgress = RESET_TYPE_NORESET;
2171 priv->bForcedSilentReset = false;
2172 priv->bDisableNormalResetCheck = false;
2173 priv->force_reset = false;
2175 /* we don't use FW read/write RF until stable firmware is available. */
2176 priv->ieee80211->FwRWRF = 0;
2177 priv->ieee80211->current_network.beacon_interval =
2178 DEFAULT_BEACONINTERVAL;
2179 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
2180 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2181 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2182 IEEE_SOFTMAC_BEACONS;
2184 priv->ieee80211->active_scan = 1;
2185 priv->ieee80211->modulation =
2186 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2187 priv->ieee80211->host_encrypt = 1;
2188 priv->ieee80211->host_decrypt = 1;
2189 priv->ieee80211->start_send_beacons = NULL;
2190 priv->ieee80211->stop_send_beacons = NULL;
2191 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2192 priv->ieee80211->set_chan = rtl8192_set_chan;
2193 priv->ieee80211->link_change = rtl8192_link_change;
2194 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2195 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2196 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2197 priv->ieee80211->init_wmmparam_flag = 0;
2198 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2199 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2200 priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2201 priv->ieee80211->qos_support = 1;
2203 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2204 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2205 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2207 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2208 priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2209 GetHalfNmodeSupportByAPs819xUsb;
2210 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2212 priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2213 priv->card_type = USB;
2215 if (Adapter->bInHctTest) {
2216 pHalData->ShortRetryLimit = 7;
2217 pHalData->LongRetryLimit = 7;
2220 priv->ShortRetryLimit = 0x30;
2221 priv->LongRetryLimit = 0x30;
2222 priv->EarlyRxThreshold = 7;
2223 priv->enable_gpio0 = 0;
2224 priv->TransmitConfig =
2225 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2226 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET) |
2227 /* Short retry limit */
2228 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2229 /* Long retry limit */
2230 (priv->LongRetryLimit << TCR_LRL_OFFSET) |
2231 /* FALSE: HW provides PLCP length and LENGEXT
2232 * TRUE: SW provides them
2234 (false ? TCR_SAT : 0);
2236 if (Adapter->bInHctTest)
2237 pHalData->ReceiveConfig =
2238 pHalData->CSMethod |
2239 /* accept management/data */
2241 /* accept control frame for SW
2245 /* accept BC/MC/UC */
2246 RCR_AB | RCR_AM | RCR_APM |
2247 /* accept ICV/CRC error
2250 RCR_AICV | RCR_ACRC32 |
2251 /* Max DMA Burst Size per Tx
2252 * DMA Burst, 7: unlimited.
2254 ((u32)7 << RCR_MXDMA_OFFSET) |
2255 /* Rx FIFO Threshold,
2256 * 7: No Rx threshold.
2258 (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2259 (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2263 priv->ReceiveConfig =
2264 /* accept management/data */
2266 /* accept control frame for SW AP needs PS-poll */
2268 /* accept BC/MC/UC */
2269 RCR_AB | RCR_AM | RCR_APM |
2270 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2271 ((u32)7 << RCR_MXDMA_OFFSET) |
2272 /* Rx FIFO Threshold, 7: No Rx threshold. */
2273 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2274 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2276 priv->AcmControl = 0;
2277 priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2279 /* rx related queue */
2280 skb_queue_head_init(&priv->rx_queue);
2281 skb_queue_head_init(&priv->skb_queue);
2283 /* Tx related queue */
2284 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2285 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2286 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2287 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2288 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2289 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2290 priv->rf_set_chan = rtl8192_phy_SwChnl;
2293 /* init lock here */
2294 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2296 spin_lock_init(&priv->tx_lock);
2297 spin_lock_init(&priv->irq_lock);
2298 mutex_init(&priv->wx_mutex);
2299 mutex_init(&priv->mutex);
2302 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2304 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2305 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2306 #define DRV_NAME "wlan0"
2307 static void rtl8192_init_priv_task(struct net_device *dev)
2309 struct r8192_priv *priv = ieee80211_priv(dev);
2312 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2314 INIT_DELAYED_WORK(&priv->watch_dog_wq,
2315 rtl819x_watchdog_wqcallback);
2316 INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2317 dm_txpower_trackingcallback);
2318 INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2319 dm_rf_pathcheck_workitemcallback);
2320 INIT_DELAYED_WORK(&priv->update_beacon_wq,
2321 rtl8192_update_beacon);
2322 INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2323 InitialGainOperateWorkItemCallBack);
2324 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2326 tasklet_init(&priv->irq_rx_tasklet,
2327 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2328 (unsigned long)priv);
2331 static void rtl8192_get_eeprom_size(struct net_device *dev)
2334 struct r8192_priv *priv = ieee80211_priv(dev);
2336 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2337 read_nic_word_E(dev, EPROM_CMD, &curCR);
2338 RT_TRACE(COMP_EPROM,
2339 "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2340 /* whether need I consider BIT(5?) */
2342 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2343 RT_TRACE(COMP_EPROM,
2344 "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2347 /* used to swap endian. as ntohl & htonl are not necessary
2348 * to swap endian, so use this instead.
2350 static inline u16 endian_swap(u16 *data)
2353 *data = (tmp >> 8) | (tmp << 8);
2357 static int rtl8192_read_eeprom_info(struct net_device *dev)
2360 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2361 u8 bLoad_From_EEPOM = false;
2362 struct r8192_priv *priv = ieee80211_priv(dev);
2367 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2368 ret = eprom_read(dev, 0); /* first read EEPROM ID out; */
2371 wEPROM_ID = (u16)ret;
2372 RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2374 if (wEPROM_ID != RTL8190_EEPROM_ID)
2376 "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2377 wEPROM_ID, RTL8190_EEPROM_ID);
2379 bLoad_From_EEPOM = true;
2381 if (bLoad_From_EEPOM) {
2382 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2383 ret = eprom_read(dev, EEPROM_VID >> 1);
2386 tmpValue = (u16)ret;
2387 priv->eeprom_vid = endian_swap(&tmpValue);
2388 ret = eprom_read(dev, EEPROM_PID >> 1);
2391 priv->eeprom_pid = (u16)ret;
2392 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2395 tmpValue = (u16)ret;
2396 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2397 priv->btxpowerdata_readfromEEPORM = true;
2398 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2401 priv->eeprom_CustomerID = (u16)ret;
2403 priv->eeprom_vid = 0;
2404 priv->eeprom_pid = 0;
2405 priv->card_8192_version = VERSION_819xU_B;
2406 priv->eeprom_ChannelPlan = 0;
2407 priv->eeprom_CustomerID = 0;
2409 RT_TRACE(COMP_EPROM,
2410 "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2411 priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2412 priv->eeprom_ChannelPlan);
2413 /* set channelplan from eeprom */
2414 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2415 if (bLoad_From_EEPOM) {
2418 for (i = 0; i < 6; i += 2) {
2419 ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2422 *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2425 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2426 /* should I set IDR0 here? */
2428 RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2429 priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2430 priv->rf_chip = RF_8256;
2432 if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2433 /* read Tx power gain offset of legacy OFDM to HT rate */
2434 if (bLoad_From_EEPOM) {
2435 ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2438 priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2440 priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2441 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2442 /* read ThermalMeter from EEPROM */
2443 if (bLoad_From_EEPOM) {
2444 ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2447 priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2449 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2450 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2451 /* for tx power track */
2452 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2453 /* read antenna tx power offset of B/C/D to A from EEPROM */
2454 if (bLoad_From_EEPOM) {
2455 ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2458 priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2460 priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2461 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2462 /* Read CrystalCap from EEPROM */
2463 if (bLoad_From_EEPOM) {
2464 ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2467 priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2469 priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2470 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2471 /* get per-channel Tx power level */
2472 if (bLoad_From_EEPOM) {
2473 ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2476 priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2478 priv->EEPROM_Def_Ver = 1;
2479 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2480 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2483 if (bLoad_From_EEPOM) {
2484 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2487 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff00) >> 8;
2489 priv->EEPROMTxPowerLevelCCK = 0x10;
2490 RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2491 for (i = 0; i < 3; i++) {
2492 if (bLoad_From_EEPOM) {
2493 ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2496 if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2497 tmpValue = (u16)ret & 0x00ff;
2499 tmpValue = ((u16)ret & 0xff00) >> 8;
2503 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2504 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2506 } else if (priv->EEPROM_Def_Ver == 1) {
2507 if (bLoad_From_EEPOM) {
2508 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2511 tmpValue = ((u16)ret & 0xff00) >> 8;
2515 priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2517 if (bLoad_From_EEPOM) {
2518 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2521 tmpValue = (u16)ret;
2524 *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2525 if (bLoad_From_EEPOM)
2526 tmpValue = eprom_read(dev,
2527 EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2530 *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2531 if (bLoad_From_EEPOM)
2532 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2535 priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2536 } /* endif EEPROM_Def_Ver == 1 */
2538 /* update HAL variables */
2539 for (i = 0; i < 14; i++) {
2541 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2542 else if (i >= 4 && i <= 9)
2543 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2545 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2548 for (i = 0; i < 14; i++) {
2549 if (priv->EEPROM_Def_Ver == 0) {
2551 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2552 else if (i >= 4 && i <= 9)
2553 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2555 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2556 } else if (priv->EEPROM_Def_Ver == 1) {
2558 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2559 else if (i >= 4 && i <= 9)
2560 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2562 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2565 priv->TxPowerDiff = priv->EEPROMPwDiff;
2566 /* Antenna B gain offset to antenna A, bit0~3 */
2567 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2568 /* Antenna C gain offset to antenna A, bit4~7 */
2569 priv->AntennaTxPwDiff[1] =
2570 (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2571 /* CrystalCap, bit12~15 */
2572 priv->CrystalCap = priv->EEPROMCrystalCap;
2573 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2574 * 92U does not enable TX power tracking.
2576 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2577 } /* end if VersionID == VERSION_819xU_A */
2580 switch (priv->eeprom_CustomerID) {
2581 case EEPROM_CID_RUNTOP:
2582 priv->CustomerID = RT_CID_819x_RUNTOP;
2585 case EEPROM_CID_DLINK:
2586 priv->CustomerID = RT_CID_DLINK;
2590 priv->CustomerID = RT_CID_DEFAULT;
2594 switch (priv->CustomerID) {
2595 case RT_CID_819x_RUNTOP:
2596 priv->LedStrategy = SW_LED_MODE2;
2600 priv->LedStrategy = SW_LED_MODE4;
2604 priv->LedStrategy = SW_LED_MODE0;
2609 if (priv->rf_type == RF_1T2R)
2610 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2612 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2614 /* We can only know RF type in the function. So we have to init
2615 * DIG RATR table again.
2617 init_rate_adaptive(dev);
2619 RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2624 static short rtl8192_get_channel_map(struct net_device *dev)
2626 struct r8192_priv *priv = ieee80211_priv(dev);
2628 if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2630 "rtl8180_init: Error channel plan! Set to default.\n");
2631 priv->ChannelPlan = 0;
2633 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2635 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2639 static short rtl8192_init(struct net_device *dev)
2641 struct r8192_priv *priv = ieee80211_priv(dev);
2644 memset(&(priv->stats), 0, sizeof(struct Stats));
2645 memset(priv->txqueue_to_outpipemap, 0, 9);
2649 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2651 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2655 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2657 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2660 rtl8192_init_priv_variable(dev);
2661 rtl8192_init_priv_lock(priv);
2662 rtl8192_init_priv_task(dev);
2663 rtl8192_get_eeprom_size(dev);
2664 err = rtl8192_read_eeprom_info(dev);
2666 DMESG("Reading EEPROM info failed");
2669 rtl8192_get_channel_map(dev);
2671 timer_setup(&priv->watch_dog_timer, watch_dog_timer_callback, 0);
2672 if (rtl8192_usb_initendpoints(dev) != 0) {
2673 DMESG("Endopoints initialization failed");
2680 /******************************************************************************
2681 *function: This function actually only set RRSR, RATR and BW_OPMODE registers
2682 * not to do all the hw config as its name says
2683 * input: net_device dev
2686 * notice: This part need to modified according to the rate set we filtered
2687 * ****************************************************************************/
2688 static void rtl8192_hwconfig(struct net_device *dev)
2690 u32 regRATR = 0, regRRSR = 0;
2691 u8 regBwOpMode = 0, regTmp = 0;
2692 struct r8192_priv *priv = ieee80211_priv(dev);
2695 /* Set RRSR, RATR, and BW_OPMODE registers */
2696 switch (priv->ieee80211->mode) {
2697 case WIRELESS_MODE_B:
2698 regBwOpMode = BW_OPMODE_20MHZ;
2699 regRATR = RATE_ALL_CCK;
2700 regRRSR = RATE_ALL_CCK;
2702 case WIRELESS_MODE_A:
2703 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2704 regRATR = RATE_ALL_OFDM_AG;
2705 regRRSR = RATE_ALL_OFDM_AG;
2707 case WIRELESS_MODE_G:
2708 regBwOpMode = BW_OPMODE_20MHZ;
2709 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2710 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2712 case WIRELESS_MODE_AUTO:
2714 if (Adapter->bInHctTest) {
2715 regBwOpMode = BW_OPMODE_20MHZ;
2716 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2717 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2721 regBwOpMode = BW_OPMODE_20MHZ;
2722 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2723 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2724 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2727 case WIRELESS_MODE_N_24G:
2728 /* It support CCK rate by default. CCK rate will be filtered
2729 * out only when associated AP does not support it.
2731 regBwOpMode = BW_OPMODE_20MHZ;
2732 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2733 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2734 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2736 case WIRELESS_MODE_N_5G:
2737 regBwOpMode = BW_OPMODE_5G;
2738 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2740 regRRSR = RATE_ALL_OFDM_AG;
2744 write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2745 ratr_value = regRATR;
2746 if (priv->rf_type == RF_1T2R)
2747 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2748 write_nic_dword(dev, RATR0, ratr_value);
2749 write_nic_byte(dev, UFWP, 1);
2750 read_nic_byte(dev, 0x313, ®Tmp);
2751 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2752 write_nic_dword(dev, RRSR, regRRSR);
2754 /* Set Retry Limit here */
2755 write_nic_word(dev, RETRY_LIMIT,
2756 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2757 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2758 /* Set Contention Window here */
2762 /* Set Tx Antenna including Feedback control */
2764 /* Set Auto Rate fallback control */
2768 /* InitializeAdapter and PhyCfg */
2769 static bool rtl8192_adapter_start(struct net_device *dev)
2771 struct r8192_priv *priv = ieee80211_priv(dev);
2773 bool init_status = true;
2774 u8 SECR_value = 0x0;
2777 RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2778 priv->Rf_Mode = RF_OP_By_SW_3wire;
2779 /* for ASIC power on sequence */
2780 write_nic_byte_E(dev, 0x5f, 0x80);
2782 write_nic_byte_E(dev, 0x5f, 0xf0);
2783 write_nic_byte_E(dev, 0x5d, 0x00);
2784 write_nic_byte_E(dev, 0x5e, 0x80);
2785 write_nic_byte(dev, 0x17, 0x37);
2787 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2788 /* config CPUReset Register */
2789 /* Firmware Reset or not? */
2790 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2791 if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2792 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2793 else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2794 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2797 "ERROR in %s(): undefined firmware state(%d)\n",
2798 __func__, priv->pFirmware->firmware_status);
2800 write_nic_dword(dev, CPU_GEN, dwRegRead);
2802 rtl8192_BBConfig(dev);
2804 /* Loopback mode or not */
2805 priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2807 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2808 if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2809 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2810 CPU_GEN_NO_LOOPBACK_SET;
2811 else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2812 dwRegRead |= CPU_CCK_LOOPBACK;
2815 "Serious error in %s(): wrong loopback mode setting(%d)\n",
2816 __func__, priv->LoopbackMode);
2818 write_nic_dword(dev, CPU_GEN, dwRegRead);
2820 /* after reset cpu, we need wait for a seconds to write in register. */
2823 /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2824 read_nic_byte_E(dev, 0x5f, &tmp);
2825 write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2828 rtl8192_hwconfig(dev);
2831 write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2834 write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2835 write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2838 write_nic_dword(dev, RCR, priv->ReceiveConfig);
2840 /* Initialize Number of Reserved Pages in Firmware Queue */
2841 write_nic_dword(dev, RQPN1,
2842 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2843 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2844 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2845 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2846 write_nic_dword(dev, RQPN2,
2847 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2848 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2849 write_nic_dword(dev, RQPN3,
2850 APPLIED_RESERVED_QUEUE_IN_FW |
2851 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2852 write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2854 /* Set AckTimeout */
2855 /* TODO: (it value is only for FPGA version). need to be changed!! */
2856 write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2858 if (priv->ResetProgress == RESET_TYPE_NORESET)
2859 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2860 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2861 CamResetAllEntry(dev);
2862 SECR_value |= SCR_TxEncEnable;
2863 SECR_value |= SCR_RxDecEnable;
2864 SECR_value |= SCR_NoSKMC;
2865 write_nic_byte(dev, SECR, SECR_value);
2868 /* Beacon related */
2869 write_nic_word(dev, ATIMWND, 2);
2870 write_nic_word(dev, BCN_INTERVAL, 100);
2872 #define DEFAULT_EDCA 0x005e4332
2876 for (i = 0; i < QOS_QUEUE_NUM; i++)
2877 write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2880 rtl8192_phy_configmac(dev);
2882 if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2883 rtl8192_phy_getTxPower(dev);
2884 rtl8192_phy_setTxPower(dev, priv->chan);
2887 /* Firmware download */
2888 init_status = init_firmware(dev);
2890 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2894 RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2897 if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2898 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2899 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2900 ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2901 MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2902 /* Those actions will be discard in MgntActSet_RF_State
2903 * because of the same state
2905 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2906 PHY_SetRFReg(Adapter,
2907 (enum rf90_radio_path_e)eRFPath,
2909 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2910 /* H/W or S/W RF OFF before sleep. */
2911 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2912 ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2913 pMgntInfo->RfOffReason));
2914 MgntActSet_RF_State(Adapter,
2916 pMgntInfo->RfOffReason);
2918 pHalData->eRFPowerState = eRfOn;
2919 pMgntInfo->RfOffReason = 0;
2920 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2921 ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2924 if (pHalData->eRFPowerState == eRfOff) {
2925 MgntActSet_RF_State(Adapter,
2927 pMgntInfo->RfOffReason);
2928 /* Those actions will be discard in MgntActSet_RF_State
2929 * because of the same state
2931 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2932 PHY_SetRFReg(Adapter,
2933 (enum rf90_radio_path_e)eRFPath,
2939 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2940 rtl8192_phy_RFConfig(dev);
2941 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2945 if (priv->ieee80211->FwRWRF)
2946 /* We can force firmware to do RF-R/W */
2947 priv->Rf_Mode = RF_OP_By_FW;
2949 priv->Rf_Mode = RF_OP_By_SW_3wire;
2952 rtl8192_phy_updateInitGain(dev);
2953 /*--set CCK and OFDM Block "ON"--*/
2954 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2955 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2957 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2961 read_nic_byte(dev, 0x301, &tmpvalue);
2962 if (tmpvalue == 0x03) {
2964 RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2966 priv->bDcut = false;
2967 RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
2969 dm_initialize_txpower_tracking(dev);
2973 u32 tmpRegA = rtl8192_QueryBBReg(dev,
2974 rOFDM0_XATxIQImbalance,
2977 for (i = 0; i < TxBBGainTableLength; i++) {
2978 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
2979 priv->rfa_txpowertrackingindex = (u8)i;
2980 priv->rfa_txpowertrackingindex_real =
2982 priv->rfa_txpowertracking_default =
2983 priv->rfa_txpowertrackingindex;
2988 TempCCk = rtl8192_QueryBBReg(dev,
2992 for (i = 0; i < CCKTxBBGainTableLength; i++) {
2993 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
2994 priv->cck_present_attenuation_20Mdefault = (u8)i;
2998 priv->cck_present_attenuation_40Mdefault = 0;
2999 priv->cck_present_attenuation_difference = 0;
3000 priv->cck_present_attenuation =
3001 priv->cck_present_attenuation_20Mdefault;
3004 write_nic_byte(dev, 0x87, 0x0);
3010 /* this configures registers for beacon tx and enables it via
3011 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3012 * be used to stop beacon transmission
3014 /***************************************************************************
3015 * -------------------------------NET STUFF---------------------------
3016 ***************************************************************************/
3018 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3020 struct r8192_priv *priv = ieee80211_priv(dev);
3022 return &priv->ieee80211->stats;
3025 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3027 struct r8192_priv *priv = ieee80211_priv(dev);
3029 bool bStuck = false;
3031 read_nic_word(dev, 0x128, &RegTxCounter);
3032 RT_TRACE(COMP_RESET,
3033 "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3034 RegTxCounter, priv->TxCounter);
3035 if (priv->TxCounter == RegTxCounter)
3038 priv->TxCounter = RegTxCounter;
3044 * <Assumption: RT_TX_SPINLOCK is acquired.>
3045 * First added: 2006.11.19 by emily
3047 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3049 struct r8192_priv *priv = ieee80211_priv(dev);
3051 bool bCheckFwTxCnt = false;
3053 /* Decide such threshold according to current power save mode */
3055 for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3056 if (QueueID == TXCMD_QUEUE)
3058 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3061 bCheckFwTxCnt = true;
3063 if (bCheckFwTxCnt) {
3064 if (HalTxCheckStuck819xUsb(dev)) {
3065 RT_TRACE(COMP_RESET,
3066 "%s: Fw indicates no Tx condition!\n",
3068 return RESET_TYPE_SILENT;
3071 return RESET_TYPE_NORESET;
3074 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3077 struct r8192_priv *priv = ieee80211_priv(dev);
3078 bool bStuck = false;
3079 static u8 rx_chk_cnt;
3081 read_nic_word(dev, 0x130, &RegRxCounter);
3082 RT_TRACE(COMP_RESET,
3083 "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3084 RegRxCounter, priv->RxCounter);
3085 /* If rssi is small, we should check rx for long time because of bad rx.
3086 * or maybe it will continuous silent reset every 2 seconds.
3089 if (priv->undecorated_smoothed_pwdb >= (RATE_ADAPTIVE_TH_HIGH + 5)) {
3090 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3091 } else if (priv->undecorated_smoothed_pwdb < (RATE_ADAPTIVE_TH_HIGH + 5) &&
3092 ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_40M) ||
3093 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_20M))) {
3098 } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_40M) ||
3099 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_20M)) &&
3100 priv->undecorated_smoothed_pwdb >= VERY_LOW_RSSI) {
3112 if (priv->RxCounter == RegRxCounter)
3115 priv->RxCounter = RegRxCounter;
3120 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3122 struct r8192_priv *priv = ieee80211_priv(dev);
3123 bool bRxCheck = false;
3125 if (priv->IrpPendingCount > 1)
3129 if (HalRxCheckStuck819xUsb(dev)) {
3130 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3131 return RESET_TYPE_SILENT;
3134 return RESET_TYPE_NORESET;
3139 * This function is called by Checkforhang to check whether we should
3140 * ask OS to reset driver
3142 * \param pAdapter The adapter context for this miniport
3144 * Note:NIC with USB interface sholud not call this function because we
3145 * cannot scan descriptor to judge whether there is tx stuck.
3146 * Note: This function may be required to be rewrite for Vista OS.
3147 * <<<Assumption: Tx spinlock has been acquired >>>
3149 * 8185 and 8185b does not implement this function.
3151 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3153 struct r8192_priv *priv = ieee80211_priv(dev);
3154 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
3155 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
3156 RT_RF_POWER_STATE rfState;
3158 rfState = priv->ieee80211->eRFPowerState;
3160 TxResetType = TxCheckStuck(dev);
3161 if (rfState != eRfOff ||
3162 (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3163 /* If driver is in the status of firmware download failure,
3164 * driver skips RF initialization and RF is in turned off
3165 * state. Driver should check whether Rx stuck and do silent
3166 * reset. And if driver is in firmware download failure status,
3167 * driver should initialize RF in the following silent reset
3170 * Driver should not check RX stuck in IBSS mode because it is
3171 * required to set Check BSSID in order to send beacon,
3172 * however, if check BSSID is set, STA cannot hear any packet
3175 RxResetType = RxCheckStuck(dev);
3177 if (TxResetType == RESET_TYPE_NORMAL ||
3178 RxResetType == RESET_TYPE_NORMAL) {
3179 return RESET_TYPE_NORMAL;
3180 } else if (TxResetType == RESET_TYPE_SILENT ||
3181 RxResetType == RESET_TYPE_SILENT) {
3182 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3183 return RESET_TYPE_SILENT;
3185 return RESET_TYPE_NORESET;
3189 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3190 static int _rtl8192_up(struct net_device *dev);
3191 static int rtl8192_close(struct net_device *dev);
3195 static void CamRestoreAllEntry(struct net_device *dev)
3198 struct r8192_priv *priv = ieee80211_priv(dev);
3199 u8 *MacAddr = priv->ieee80211->current_network.bssid;
3201 static u8 CAM_CONST_ADDR[4][6] = {
3202 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3203 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3204 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3205 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3206 static u8 CAM_CONST_BROAD[] = {
3207 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3209 RT_TRACE(COMP_SEC, "%s:\n", __func__);
3212 if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3213 (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3214 for (EntryId = 0; EntryId < 4; EntryId++) {
3215 MacAddr = CAM_CONST_ADDR[EntryId];
3216 setKey(dev, EntryId, EntryId,
3217 priv->ieee80211->pairwise_key_type,
3221 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3222 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3223 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3224 (u8 *)dev->dev_addr, 0, NULL);
3226 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3228 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3229 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3230 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3231 (u8 *)dev->dev_addr, 0, NULL);
3233 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3239 if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3240 MacAddr = CAM_CONST_BROAD;
3241 for (EntryId = 1; EntryId < 4; EntryId++) {
3242 setKey(dev, EntryId, EntryId,
3243 priv->ieee80211->group_key_type,
3246 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3247 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3248 CAM_CONST_ADDR[0], 0, NULL);
3249 } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3250 MacAddr = CAM_CONST_BROAD;
3251 for (EntryId = 1; EntryId < 4; EntryId++) {
3252 setKey(dev, EntryId, EntryId,
3253 priv->ieee80211->group_key_type,
3257 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3258 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3259 CAM_CONST_ADDR[0], 0, NULL);
3263 /* This function is used to fix Tx/Rx stop bug temporarily.
3264 * This function will do "system reset" to NIC when Tx or Rx is stuck.
3265 * The method checking Tx/Rx stuck of this function is supported by FW,
3266 * which reports Tx and Rx counter to register 0x128 and 0x130.
3268 static void rtl819x_ifsilentreset(struct net_device *dev)
3270 struct r8192_priv *priv = ieee80211_priv(dev);
3272 int reset_status = 0;
3273 struct ieee80211_device *ieee = priv->ieee80211;
3276 /* If we need to check CCK stop, please uncomment this line. */
3277 /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3279 if (priv->ResetProgress == RESET_TYPE_NORESET) {
3282 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3284 /* Set the variable for reset. */
3285 priv->ResetProgress = RESET_TYPE_SILENT;
3286 mutex_lock(&priv->wx_mutex);
3287 if (priv->up == 0) {
3289 "%s():the driver is not up! return\n",
3291 mutex_unlock(&priv->wx_mutex);
3295 RT_TRACE(COMP_RESET,
3296 "%s():======>start to down the driver\n",
3299 rtl8192_rtx_disable(dev);
3300 rtl8192_cancel_deferred_work(priv);
3302 del_timer_sync(&priv->watch_dog_timer);
3304 ieee->sync_scan_hurryup = 1;
3305 if (ieee->state == IEEE80211_LINKED) {
3306 mutex_lock(&ieee->wx_mutex);
3307 netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3308 ieee80211_stop_send_beacons(priv->ieee80211);
3309 del_timer_sync(&ieee->associate_timer);
3310 cancel_delayed_work(&ieee->associate_retry_wq);
3311 ieee80211_stop_scan(ieee);
3312 netif_carrier_off(dev);
3313 mutex_unlock(&ieee->wx_mutex);
3315 netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3316 ieee80211_softmac_stop_protocol(priv->ieee80211);
3318 mutex_unlock(&priv->wx_mutex);
3319 RT_TRACE(COMP_RESET,
3320 "%s():<==========down process is finished\n",
3322 RT_TRACE(COMP_RESET,
3323 "%s():===========>start up the driver\n",
3325 reset_status = _rtl8192_up(dev);
3327 RT_TRACE(COMP_RESET,
3328 "%s():<===========up process is finished\n",
3330 if (reset_status == -EAGAIN) {
3331 if (reset_times < 3) {
3336 " ERR!!! %s(): Reset Failed!!\n",
3340 ieee->is_silent_reset = 1;
3341 EnableHWSecurityConfig8192(dev);
3342 if (ieee->state == IEEE80211_LINKED &&
3343 ieee->iw_mode == IW_MODE_INFRA) {
3344 ieee->set_chan(ieee->dev,
3345 ieee->current_network.channel);
3347 queue_work(ieee->wq, &ieee->associate_complete_wq);
3349 } else if (ieee->state == IEEE80211_LINKED &&
3350 ieee->iw_mode == IW_MODE_ADHOC) {
3351 ieee->set_chan(ieee->dev,
3352 ieee->current_network.channel);
3353 ieee->link_change(ieee->dev);
3355 ieee80211_start_send_beacons(ieee);
3357 if (ieee->data_hard_resume)
3358 ieee->data_hard_resume(ieee->dev);
3359 netif_carrier_on(ieee->dev);
3362 CamRestoreAllEntry(dev);
3364 priv->ResetProgress = RESET_TYPE_NORESET;
3365 priv->reset_count++;
3367 priv->bForcedSilentReset = false;
3368 priv->bResetInProgress = false;
3370 /* For test --> force write UFWP. */
3371 write_nic_byte(dev, UFWP, 1);
3372 RT_TRACE(COMP_RESET,
3373 "Reset finished!! ====>[%d]\n",
3378 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3379 u32 *TotalRxDataNum)
3385 *TotalRxDataNum = 0;
3387 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3388 (priv->ieee80211->LinkDetectInfo.SlotNum);
3389 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3390 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3391 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3392 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3393 for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3394 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3395 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3400 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3402 struct delayed_work *dwork = to_delayed_work(work);
3403 struct r8192_priv *priv = container_of(dwork,
3404 struct r8192_priv, watch_dog_wq);
3405 struct net_device *dev = priv->ieee80211->dev;
3406 struct ieee80211_device *ieee = priv->ieee80211;
3407 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3408 static u8 check_reset_cnt;
3409 bool bBusyTraffic = false;
3410 u32 TotalRxBcnNum = 0;
3411 u32 TotalRxDataNum = 0;
3415 hal_dm_watchdog(dev);
3417 /* to get busy traffic condition */
3418 if (ieee->state == IEEE80211_LINKED) {
3419 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3420 ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3421 bBusyTraffic = true;
3423 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3424 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3425 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3427 /* for AP roaming */
3428 if (priv->ieee80211->state == IEEE80211_LINKED &&
3429 priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3430 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3431 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3433 if (rfState == eRfOff)
3434 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3437 "===>%s(): AP is power off, connect another one\n",
3439 priv->ieee80211->state = IEEE80211_ASSOCIATING;
3440 notify_wx_assoc_event(priv->ieee80211);
3441 RemovePeerTS(priv->ieee80211,
3442 priv->ieee80211->current_network.bssid);
3443 priv->ieee80211->link_change(dev);
3444 queue_work(priv->ieee80211->wq,
3445 &priv->ieee80211->associate_procedure_wq);
3448 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3449 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3450 /* check if reset the driver */
3451 if (check_reset_cnt++ >= 3) {
3452 ResetType = rtl819x_ifcheck_resetornot(dev);
3453 check_reset_cnt = 3;
3455 /* This is control by OID set in Pomelo */
3456 if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3457 (priv->bForcedSilentReset ||
3458 (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3459 RT_TRACE(COMP_RESET,
3460 "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3461 __func__, priv->force_reset, priv->ResetProgress,
3462 priv->bForcedSilentReset,
3463 priv->bDisableNormalResetCheck, ResetType);
3464 rtl819x_ifsilentreset(dev);
3466 priv->force_reset = false;
3467 priv->bForcedSilentReset = false;
3468 priv->bResetInProgress = false;
3469 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3472 static void watch_dog_timer_callback(struct timer_list *t)
3474 struct r8192_priv *priv = from_timer(priv, t, watch_dog_timer);
3476 schedule_delayed_work(&priv->watch_dog_wq, 0);
3477 mod_timer(&priv->watch_dog_timer,
3478 jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3481 static int _rtl8192_up(struct net_device *dev)
3483 struct r8192_priv *priv = ieee80211_priv(dev);
3484 int init_status = 0;
3487 priv->ieee80211->ieee_up = 1;
3488 RT_TRACE(COMP_INIT, "Bringing up iface");
3489 init_status = rtl8192_adapter_start(dev);
3491 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3493 priv->up = priv->ieee80211->ieee_up = 0;
3496 RT_TRACE(COMP_INIT, "start adapter finished\n");
3497 rtl8192_rx_enable(dev);
3498 if (priv->ieee80211->state != IEEE80211_LINKED)
3499 ieee80211_softmac_start_protocol(priv->ieee80211);
3500 ieee80211_reset_queue(priv->ieee80211);
3501 watch_dog_timer_callback(&priv->watch_dog_timer);
3502 if (!netif_queue_stopped(dev))
3503 netif_start_queue(dev);
3505 netif_wake_queue(dev);
3511 static int rtl8192_open(struct net_device *dev)
3513 struct r8192_priv *priv = ieee80211_priv(dev);
3516 mutex_lock(&priv->wx_mutex);
3517 ret = rtl8192_up(dev);
3518 mutex_unlock(&priv->wx_mutex);
3523 int rtl8192_up(struct net_device *dev)
3525 struct r8192_priv *priv = ieee80211_priv(dev);
3530 return _rtl8192_up(dev);
3534 static int rtl8192_close(struct net_device *dev)
3536 struct r8192_priv *priv = ieee80211_priv(dev);
3539 mutex_lock(&priv->wx_mutex);
3541 ret = rtl8192_down(dev);
3543 mutex_unlock(&priv->wx_mutex);
3548 int rtl8192_down(struct net_device *dev)
3550 struct r8192_priv *priv = ieee80211_priv(dev);
3557 priv->ieee80211->ieee_up = 0;
3558 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3560 if (!netif_queue_stopped(dev))
3561 netif_stop_queue(dev);
3563 rtl8192_rtx_disable(dev);
3565 /* Tx related queue release */
3566 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3567 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3568 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3569 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3571 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3572 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3574 /* as cancel_delayed_work will del work->timer, so if work is not
3575 * defined as struct delayed_work, it will corrupt
3577 rtl8192_cancel_deferred_work(priv);
3579 del_timer_sync(&priv->watch_dog_timer);
3582 ieee80211_softmac_stop_protocol(priv->ieee80211);
3583 memset(&priv->ieee80211->current_network, 0,
3584 offsetof(struct ieee80211_network, list));
3585 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3591 void rtl8192_commit(struct net_device *dev)
3593 struct r8192_priv *priv = ieee80211_priv(dev);
3594 int reset_status = 0;
3600 rtl8192_cancel_deferred_work(priv);
3601 del_timer_sync(&priv->watch_dog_timer);
3603 ieee80211_softmac_stop_protocol(priv->ieee80211);
3605 rtl8192_rtx_disable(dev);
3606 reset_status = _rtl8192_up(dev);
3609 static void rtl8192_restart(struct work_struct *work)
3611 struct r8192_priv *priv = container_of(work, struct r8192_priv,
3613 struct net_device *dev = priv->ieee80211->dev;
3615 mutex_lock(&priv->wx_mutex);
3617 rtl8192_commit(dev);
3619 mutex_unlock(&priv->wx_mutex);
3622 static void r8192_set_multicast(struct net_device *dev)
3624 struct r8192_priv *priv = ieee80211_priv(dev);
3629 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3631 if (promisc != priv->promisc)
3633 priv->promisc = promisc;
3637 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3639 struct r8192_priv *priv = ieee80211_priv(dev);
3640 struct sockaddr *addr = mac;
3642 mutex_lock(&priv->wx_mutex);
3644 ether_addr_copy(dev->dev_addr, addr->sa_data);
3646 schedule_work(&priv->reset_wq);
3647 mutex_unlock(&priv->wx_mutex);
3652 /* based on ipw2200 driver */
3653 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3655 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3656 struct iwreq *wrq = (struct iwreq *)rq;
3658 struct ieee80211_device *ieee = priv->ieee80211;
3660 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3661 struct iw_point *p = &wrq->u.data;
3662 struct ieee_param *ipw = NULL;
3664 mutex_lock(&priv->wx_mutex);
3667 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3672 ipw = memdup_user(p->pointer, p->length);
3679 case RTL_IOCTL_WPA_SUPPLICANT:
3680 /* parse here for HW security */
3681 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3682 if (ipw->u.crypt.set_tx) {
3683 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3684 ieee->pairwise_key_type = KEY_TYPE_CCMP;
3685 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3686 ieee->pairwise_key_type = KEY_TYPE_TKIP;
3687 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3688 if (ipw->u.crypt.key_len == 13)
3689 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3690 else if (ipw->u.crypt.key_len == 5)
3691 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3693 ieee->pairwise_key_type = KEY_TYPE_NA;
3696 if (ieee->pairwise_key_type) {
3697 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3698 EnableHWSecurityConfig8192(dev);
3699 /* We fill both index entry and 4th
3700 * entry for pairwise key as in IPW
3701 * interface, adhoc will only get here,
3702 * so we need index entry for its
3703 * default key serching!
3705 setKey(dev, 4, ipw->u.crypt.idx,
3706 ieee->pairwise_key_type,
3707 (u8 *)ieee->ap_mac_addr,
3709 if (ieee->auth_mode != 2)
3710 setKey(dev, ipw->u.crypt.idx,
3712 ieee->pairwise_key_type,
3713 (u8 *)ieee->ap_mac_addr,
3717 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3718 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3719 ieee->group_key_type = KEY_TYPE_CCMP;
3720 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3721 ieee->group_key_type = KEY_TYPE_TKIP;
3722 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3723 if (ipw->u.crypt.key_len == 13)
3724 ieee->group_key_type = KEY_TYPE_WEP104;
3725 else if (ipw->u.crypt.key_len == 5)
3726 ieee->group_key_type = KEY_TYPE_WEP40;
3728 ieee->group_key_type = KEY_TYPE_NA;
3731 if (ieee->group_key_type) {
3732 setKey(dev, ipw->u.crypt.idx,
3736 ieee->group_key_type,
3746 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3757 mutex_unlock(&priv->wx_mutex);
3761 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3773 case DESC90_RATE5_5M:
3774 ret_rate = MGN_5_5M;
3776 case DESC90_RATE11M:
3785 case DESC90_RATE12M:
3788 case DESC90_RATE18M:
3791 case DESC90_RATE24M:
3794 case DESC90_RATE36M:
3797 case DESC90_RATE48M:
3800 case DESC90_RATE54M:
3807 "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3808 __func__, rate, bIsHT);
3814 case DESC90_RATEMCS0:
3815 ret_rate = MGN_MCS0;
3817 case DESC90_RATEMCS1:
3818 ret_rate = MGN_MCS1;
3820 case DESC90_RATEMCS2:
3821 ret_rate = MGN_MCS2;
3823 case DESC90_RATEMCS3:
3824 ret_rate = MGN_MCS3;
3826 case DESC90_RATEMCS4:
3827 ret_rate = MGN_MCS4;
3829 case DESC90_RATEMCS5:
3830 ret_rate = MGN_MCS5;
3832 case DESC90_RATEMCS6:
3833 ret_rate = MGN_MCS6;
3835 case DESC90_RATEMCS7:
3836 ret_rate = MGN_MCS7;
3838 case DESC90_RATEMCS8:
3839 ret_rate = MGN_MCS8;
3841 case DESC90_RATEMCS9:
3842 ret_rate = MGN_MCS9;
3844 case DESC90_RATEMCS10:
3845 ret_rate = MGN_MCS10;
3847 case DESC90_RATEMCS11:
3848 ret_rate = MGN_MCS11;
3850 case DESC90_RATEMCS12:
3851 ret_rate = MGN_MCS12;
3853 case DESC90_RATEMCS13:
3854 ret_rate = MGN_MCS13;
3856 case DESC90_RATEMCS14:
3857 ret_rate = MGN_MCS14;
3859 case DESC90_RATEMCS15:
3860 ret_rate = MGN_MCS15;
3862 case DESC90_RATEMCS32:
3863 ret_rate = 0x80 | 0x20;
3869 "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3870 __func__, rate, bIsHT);
3879 * Function: UpdateRxPktTimeStamp
3880 * Overview: Record the TSF time stamp when receiving a packet
3888 * (pRfd->Status.TimeStampHigh is updated)
3889 * (pRfd->Status.TimeStampLow is updated)
3893 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3894 struct ieee80211_rx_stats *stats)
3896 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3898 if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3899 stats->mac_time[0] = priv->LastRxDescTSFLow;
3900 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3902 priv->LastRxDescTSFLow = stats->mac_time[0];
3903 priv->LastRxDescTSFHigh = stats->mac_time[1];
3908 static long rtl819x_translate_todbm(u8 signal_strength_index)
3910 long signal_power; /* in dBm. */
3912 /* Translate to dBm (x=0.5y-95). */
3913 signal_power = (long)((signal_strength_index + 1) >> 1);
3916 return signal_power;
3920 /* We can not declare RSSI/EVM total value of sliding window to
3921 * be a local static. Otherwise, it may increase when we return from S3/S4. The
3922 * value will be kept in memory or disk. Declare the value in the adaptor
3923 * and it will be reinitialized when returned from S3/S4.
3925 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3926 struct ieee80211_rx_stats *pprevious_stats,
3927 struct ieee80211_rx_stats *pcurrent_stats)
3929 bool bcheck = false;
3931 u32 nspatial_stream, tmp_val;
3932 static u32 slide_rssi_index, slide_rssi_statistics;
3933 static u32 slide_evm_index, slide_evm_statistics;
3934 static u32 last_rssi, last_evm;
3936 static u32 slide_beacon_adc_pwdb_index;
3937 static u32 slide_beacon_adc_pwdb_statistics;
3938 static u32 last_beacon_adc_pwdb;
3940 struct rtl_80211_hdr_3addr *hdr;
3944 hdr = (struct rtl_80211_hdr_3addr *)buffer;
3945 sc = le16_to_cpu(hdr->seq_ctl);
3946 seq = WLAN_GET_SEQ_SEQ(sc);
3947 /* to record the sequence number */
3948 pcurrent_stats->Seq_Num = seq;
3950 /* Check whether we should take the previous packet into accounting */
3951 if (!pprevious_stats->bIsAMPDU) {
3952 /* if previous packet is not aggregated packet */
3956 if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3957 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3958 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3959 priv->stats.slide_rssi_total -= last_rssi;
3961 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3963 priv->stats.slide_signal_strength[slide_rssi_index++] =
3964 pprevious_stats->SignalStrength;
3965 if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3966 slide_rssi_index = 0;
3968 /* <1> Showed on UI for user, in dbm */
3969 tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
3970 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3971 pcurrent_stats->rssi = priv->stats.signal_strength;
3973 /* If the previous packet does not match the criteria, neglect it */
3974 if (!pprevious_stats->bPacketMatchBSSID) {
3975 if (!pprevious_stats->bToSelfBA)
3983 /* only rtl8190 supported
3984 * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
3988 priv->stats.num_process_phyinfo++;
3990 /* record the general signal strength to the sliding window. */
3993 /* <2> Showed on UI for engineering
3994 * hardware does not provide rssi information for each rf path in CCK
3996 if (!pprevious_stats->bIsCCK &&
3997 (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
3998 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
3999 if (!rtl8192_phy_CheckIsLegalRFPath(
4000 priv->ieee80211->dev, rfpath))
4003 if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4004 priv->stats.rx_rssi_percentage[rfpath] =
4005 pprevious_stats->RxMIMOSignalStrength[rfpath];
4006 if (pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath]) {
4007 priv->stats.rx_rssi_percentage[rfpath] =
4008 ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4009 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4010 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
4012 priv->stats.rx_rssi_percentage[rfpath] =
4013 ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4014 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4017 "priv->stats.rx_rssi_percentage[rfPath] = %d\n",
4018 priv->stats.rx_rssi_percentage[rfpath]);
4024 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4025 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4026 pprevious_stats->RxPWDBAll);
4028 if (pprevious_stats->bPacketBeacon) {
4029 /* record the beacon pwdb to the sliding window. */
4030 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4031 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4032 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4033 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4035 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4036 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4037 slide_beacon_adc_pwdb_index++;
4038 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4039 slide_beacon_adc_pwdb_index = 0;
4040 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4041 if (pprevious_stats->RxPWDBAll >= 3)
4042 pprevious_stats->RxPWDBAll -= 3;
4045 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4046 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4047 pprevious_stats->RxPWDBAll);
4050 if (pprevious_stats->bPacketToSelf ||
4051 pprevious_stats->bPacketBeacon ||
4052 pprevious_stats->bToSelfBA) {
4053 if (priv->undecorated_smoothed_pwdb < 0)
4055 priv->undecorated_smoothed_pwdb =
4056 pprevious_stats->RxPWDBAll;
4057 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4058 priv->undecorated_smoothed_pwdb =
4059 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4060 (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4061 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4063 priv->undecorated_smoothed_pwdb =
4064 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4065 (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4070 /* record the general EVM to the sliding window. */
4071 if (pprevious_stats->SignalQuality) {
4072 if (pprevious_stats->bPacketToSelf ||
4073 pprevious_stats->bPacketBeacon ||
4074 pprevious_stats->bToSelfBA) {
4075 if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4076 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4077 last_evm = priv->stats.slide_evm[slide_evm_index];
4078 priv->stats.slide_evm_total -= last_evm;
4081 priv->stats.slide_evm_total +=
4082 pprevious_stats->SignalQuality;
4084 priv->stats.slide_evm[slide_evm_index++] =
4085 pprevious_stats->SignalQuality;
4086 if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4087 slide_evm_index = 0;
4089 /* <1> Showed on UI for user, in percentage. */
4090 tmp_val = priv->stats.slide_evm_total /
4091 slide_evm_statistics;
4092 priv->stats.signal_quality = tmp_val;
4093 /* Showed on UI for user in Windows Vista,
4096 priv->stats.last_signal_strength_inpercent = tmp_val;
4099 /* <2> Showed on UI for engineering */
4100 if (pprevious_stats->bPacketToSelf ||
4101 pprevious_stats->bPacketBeacon ||
4102 pprevious_stats->bToSelfBA) {
4103 for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4104 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4105 if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4106 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4107 priv->stats.rx_evm_percentage[nspatial_stream] =
4108 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4109 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4116 /*-----------------------------------------------------------------------------
4117 * Function: rtl819x_query_rxpwrpercentage()
4121 * Input: char antpower
4125 * Return: 0-100 percentage
4126 *---------------------------------------------------------------------------
4128 static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
4130 if ((antpower <= -100) || (antpower >= 20))
4132 else if (antpower >= 0)
4135 return 100 + antpower;
4137 } /* QueryRxPwrPercentage */
4139 static u8 rtl819x_evm_dbtopercentage(s8 value)
4149 ret_val = 0 - ret_val;
4156 /* We want good-looking for signal strength/quality */
4157 static long rtl819x_signal_scale_mapping(long currsig)
4161 /* Step 1. Scale mapping. */
4162 if (currsig >= 61 && currsig <= 100)
4163 retsig = 90 + ((currsig - 60) / 4);
4164 else if (currsig >= 41 && currsig <= 60)
4165 retsig = 78 + ((currsig - 40) / 2);
4166 else if (currsig >= 31 && currsig <= 40)
4167 retsig = 66 + (currsig - 30);
4168 else if (currsig >= 21 && currsig <= 30)
4169 retsig = 54 + (currsig - 20);
4170 else if (currsig >= 5 && currsig <= 20)
4171 retsig = 42 + (((currsig - 5) * 2) / 3);
4172 else if (currsig == 4)
4174 else if (currsig == 3)
4176 else if (currsig == 2)
4178 else if (currsig == 1)
4186 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4191 switch (pdrvinfo->RxRate) {
4194 case DESC90_RATE5_5M:
4195 case DESC90_RATE11M:
4202 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4203 struct ieee80211_rx_stats *pstats,
4204 struct rx_drvinfo_819x_usb *pdrvinfo,
4205 struct ieee80211_rx_stats *precord_stats,
4206 bool bpacket_match_bssid,
4207 bool bpacket_toself,
4211 phy_sts_ofdm_819xusb_t *pofdm_buf;
4212 phy_sts_cck_819xusb_t *pcck_buf;
4213 struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4215 u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4216 s8 rx_pwr[4], rx_pwr_all = 0;
4217 s8 rx_snrX, rx_evmX;
4219 u32 RSSI, total_rssi = 0;
4225 priv->stats.numqry_phystatus++;
4227 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4229 /* Record it for next packet processing */
4230 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4231 pstats->bPacketMatchBSSID =
4232 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4233 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4234 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4235 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4236 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4238 prxpkt = (u8 *)pdrvinfo;
4240 /* Move pointer to the 16th bytes. Phy status start address. */
4241 prxpkt += sizeof(struct rx_drvinfo_819x_usb);
4243 /* Initial the cck and ofdm buffer pointer */
4244 pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4245 pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4247 pstats->RxMIMOSignalQuality[0] = -1;
4248 pstats->RxMIMOSignalQuality[1] = -1;
4249 precord_stats->RxMIMOSignalQuality[0] = -1;
4250 precord_stats->RxMIMOSignalQuality[1] = -1;
4253 /* (1)Hardware does not provide RSSI for CCK */
4255 /* (2)PWDB, Average PWDB calculated by hardware
4256 * (for rate adaptive)
4260 priv->stats.numqry_phystatusCCK++;
4262 if (!priv->bCckHighPower) {
4263 report = pcck_buf->cck_agc_rpt & 0xc0;
4267 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4270 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4273 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4276 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4280 report = pcck_buf->cck_agc_rpt & 0x60;
4284 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4287 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4290 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4293 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4298 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4299 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4300 pstats->RecvSignalPower = pwdb_all;
4302 /* (3) Get Signal Quality (EVM) */
4304 if (pstats->RxPWDBAll > 40) {
4307 sq = pcck_buf->sq_rpt;
4309 if (pcck_buf->sq_rpt > 64)
4311 else if (pcck_buf->sq_rpt < 20)
4314 sq = ((64 - sq) * 100) / 44;
4316 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4317 pstats->RxMIMOSignalQuality[0] =
4318 precord_stats->RxMIMOSignalQuality[0] = sq;
4319 pstats->RxMIMOSignalQuality[1] =
4320 precord_stats->RxMIMOSignalQuality[1] = -1;
4323 priv->stats.numqry_phystatusHT++;
4325 /* (1)Get RSSI for HT rate */
4326 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4327 /* We will judge RF RX path now. */
4328 if (priv->brfpath_rxenable[i])
4333 if (!rtl8192_phy_CheckIsLegalRFPath(
4334 priv->ieee80211->dev, i))
4338 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4340 /* Get Rx snr value in DB */
4341 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4342 rx_snrX = (s8)(tmp_rxsnr);
4344 priv->stats.rxSNRdB[i] = (long)rx_snrX;
4346 /* Translate DBM to percentage. */
4347 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4350 /* Record Signal Strength for next packet */
4351 pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4352 precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4356 /* (2)PWDB, Average PWDB calculated by hardware
4357 * (for rate adaptive)
4359 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4360 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4362 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4363 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4365 /* (3)EVM of HT rate */
4366 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4367 pdrvinfo->RxRate <= DESC90_RATEMCS15)
4368 /* both spatial stream make sense */
4369 max_spatial_stream = 2;
4371 /* only spatial stream 1 makes sense */
4372 max_spatial_stream = 1;
4374 for (i = 0; i < max_spatial_stream; i++) {
4375 tmp_rxevm = pofdm_buf->rxevm_X[i];
4376 rx_evmX = (s8)(tmp_rxevm);
4378 /* Do not use shift operation like "rx_evmX >>= 1"
4379 * because the compiler of free build environment will
4380 * set the most significant bit to "zero" when doing
4381 * shifting operation which may change a negative value
4382 * to positive one, then the dbm value (which is
4383 * supposed to be negative) is not correct anymore.
4385 rx_evmX /= 2; /* dbm */
4387 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4389 /* Fill value in RFD, Get the first spatial
4392 pstats->SignalQuality =
4393 precord_stats->SignalQuality =
4395 pstats->RxMIMOSignalQuality[i] =
4396 precord_stats->RxMIMOSignalQuality[i] =
4401 /* record rx statistics for debug */
4402 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4403 prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4405 if (pdrvinfo->BW) /* 40M channel */
4406 priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4407 else /* 20M channel */
4408 priv->stats.received_bwtype[0]++;
4411 /* UI BSS List signal strength(in percentage), make it good looking,
4412 * from 0~100. It is assigned to the BSS List in
4413 * GetValueFromBeaconOrProbeRsp().
4416 pstats->SignalStrength =
4417 precord_stats->SignalStrength =
4418 (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4420 /* We can judge RX path number now. */
4421 if (rf_rx_num != 0) {
4422 pstats->SignalStrength =
4423 precord_stats->SignalStrength =
4424 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4427 } /* QueryRxPhyStatus8190Pci */
4429 static void rtl8192_record_rxdesc_forlateruse(
4430 struct ieee80211_rx_stats *psrc_stats,
4431 struct ieee80211_rx_stats *ptarget_stats)
4433 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4434 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4435 ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4439 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4440 struct ieee80211_rx_stats *pstats,
4441 struct rx_drvinfo_819x_usb *pdrvinfo)
4443 /* TODO: We must only check packet for current MAC address.
4446 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4447 struct net_device *dev = info->dev;
4448 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4449 bool bpacket_match_bssid, bpacket_toself;
4450 bool bPacketBeacon = false, bToSelfBA = false;
4451 static struct ieee80211_rx_stats previous_stats;
4452 struct rtl_80211_hdr_3addr *hdr;
4455 /* Get Signal Quality for only RX data queue (but not command queue) */
4460 /* Get MAC frame start address. */
4461 tmp_buf = (u8 *)skb->data;
4463 hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4464 fc = le16_to_cpu(hdr->frame_ctl);
4465 type = WLAN_FC_GET_TYPE(fc);
4466 praddr = hdr->addr1;
4468 /* Check if the received packet is acceptable. */
4469 bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
4470 (eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4471 && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4472 bpacket_toself = bpacket_match_bssid &
4473 (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4475 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4476 bPacketBeacon = true;
4477 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4478 if ((eqMacAddr(praddr, dev->dev_addr)))
4484 if (bpacket_match_bssid)
4485 priv->stats.numpacket_matchbssid++;
4487 priv->stats.numpacket_toself++;
4488 /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4489 * Because phy information is contained in the last packet of AMPDU
4490 * only, so driver should process phy information of previous packet
4492 rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4493 rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4494 bpacket_match_bssid, bpacket_toself,
4495 bPacketBeacon, bToSelfBA);
4496 rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4500 * Function: UpdateReceivedRateHistogramStatistics
4501 * Overview: Record the received data rate
4504 * struct net_device *dev
4505 * struct ieee80211_rx_stats *stats
4509 * (priv->stats.ReceivedRateHistogram[] is updated)
4514 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4515 struct ieee80211_rx_stats *stats)
4517 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4518 /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4521 /* 1: short preamble/GI, 0: long preamble/GI */
4522 u32 preamble_guardinterval;
4527 else if (stats->bICV)
4530 if (stats->bShortPreamble)
4531 preamble_guardinterval = 1; /* short */
4533 preamble_guardinterval = 0; /* long */
4535 switch (stats->rate) {
4549 /* Legacy OFDM rate */
4574 /* 11n High throughput rate */
4627 priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4628 priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4629 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4633 static void query_rxdesc_status(struct sk_buff *skb,
4634 struct ieee80211_rx_stats *stats,
4635 bool bIsRxAggrSubframe)
4637 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4638 struct net_device *dev = info->dev;
4639 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4640 struct rx_drvinfo_819x_usb *driver_info = NULL;
4642 /* Get Rx Descriptor Information */
4643 struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data;
4645 stats->Length = desc->Length;
4646 stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4647 stats->RxBufShift = 0;
4648 stats->bICV = desc->ICV;
4649 stats->bCRC = desc->CRC32;
4650 stats->bHwError = stats->bCRC | stats->bICV;
4651 /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4652 stats->Decrypted = !desc->SWDec;
4654 if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4655 (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4656 stats->bHwError = false;
4658 stats->bHwError = stats->bCRC | stats->bICV;
4660 if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4661 stats->bHwError |= 1;
4662 /* Get Driver Info */
4663 /* TODO: Need to verify it on FGPA platform
4664 * Driver info are written to the RxBuffer following rx desc
4666 if (stats->RxDrvInfoSize != 0) {
4667 driver_info = (struct rx_drvinfo_819x_usb *)(
4669 + sizeof(struct rx_desc_819x_usb)
4674 if (!stats->bHwError) {
4677 ret_rate = HwRateToMRate90(driver_info->RxHT,
4678 driver_info->RxRate);
4679 if (ret_rate == 0xff) {
4680 /* Abnormal Case: Receive CRC OK packet with Rx
4681 * descriptor indicating non supported rate.
4682 * Special Error Handling here
4685 stats->bHwError = 1;
4686 /* Set 1M rate by default */
4687 stats->rate = MGN_1M;
4689 stats->rate = ret_rate;
4695 stats->bShortPreamble = driver_info->SPLCP;
4698 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4700 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4701 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4702 (driver_info->FirstAGGR == 1);
4703 stats->TimeStampLow = driver_info->TSFL;
4705 UpdateRxPktTimeStamp8190(dev, stats);
4708 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4709 RT_TRACE(COMP_RXDESC,
4710 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4711 driver_info->FirstAGGR, driver_info->PartAggr);
4714 skb_pull(skb, sizeof(struct rx_desc_819x_usb));
4715 /* Get Total offset of MPDU Frame Body */
4716 if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4718 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4722 stats->RxIs40MHzPacket = driver_info->BW;
4723 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4727 static void rtl8192_rx_nomal(struct sk_buff *skb)
4729 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4730 struct net_device *dev = info->dev;
4731 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4732 struct ieee80211_rx_stats stats = {
4734 .noise = 0x100 - 98,
4736 .freq = IEEE80211_24GHZ_BAND,
4739 struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4740 bool unicast_packet = false;
4742 /* 20 is for ps-poll */
4743 if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4744 /* first packet should not contain Rx aggregation header */
4745 query_rxdesc_status(skb, &stats, false);
4747 /* hardware related info */
4748 /* Process the MPDU received */
4749 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4751 rx_pkt_len = skb->len;
4752 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4753 unicast_packet = false;
4754 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4756 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4759 /* unicast packet */
4760 unicast_packet = true;
4763 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4764 dev_kfree_skb_any(skb);
4766 priv->stats.rxoktotal++;
4768 priv->stats.rxbytesunicast += rx_pkt_len;
4771 priv->stats.rxurberr++;
4772 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4773 dev_kfree_skb_any(skb);
4777 static void rtl819xusb_process_received_packet(
4778 struct net_device *dev,
4779 struct ieee80211_rx_stats *pstats)
4781 struct r8192_priv *priv = ieee80211_priv(dev);
4783 /* Get shifted bytes of Starting address of 802.11 header. */
4784 pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4785 #ifdef TODO /* about HCT */
4786 if (!Adapter->bInHctTest)
4787 CountRxErrStatistics(Adapter, pRfd);
4789 #ifdef ENABLE_PS /* for adding ps function in future */
4790 RT_RF_POWER_STATE rtState;
4791 /* When RF is off, we should not count the packet for hw/sw synchronize
4792 * reason, ie. there may be a duration while sw switch is changed and
4793 * hw switch is being changed.
4795 Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4797 if (rtState == eRfOff)
4800 priv->stats.rxframgment++;
4803 RmMonitorSignalStrength(Adapter, pRfd);
4805 /* We have to release RFD and return if rx pkt is cmd pkt. */
4806 if (rtl819xusb_rx_command_packet(dev, pstats))
4816 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4817 struct ieee80211_rx_stats *stats)
4819 struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data;
4821 /* Get Rx Descriptor Information */
4822 stats->virtual_address = (u8 *)skb->data;
4823 stats->Length = desc->Length;
4824 stats->RxDrvInfoSize = 0;
4825 stats->RxBufShift = 0;
4826 stats->packetlength = stats->Length - scrclng;
4827 stats->fraglength = stats->packetlength;
4828 stats->fragoffset = 0;
4829 stats->ntotalfrag = 1;
4833 static void rtl8192_rx_cmd(struct sk_buff *skb)
4835 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4836 struct net_device *dev = info->dev;
4838 struct ieee80211_rx_stats stats = {
4840 .noise = 0x100 - 98,
4842 .freq = IEEE80211_24GHZ_BAND,
4845 if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4846 query_rx_cmdpkt_desc_status(skb, &stats);
4847 /* prfd->queue_id = 1; */
4849 /* Process the command packet received. */
4851 rtl819xusb_process_received_packet(dev, &stats);
4853 dev_kfree_skb_any(skb);
4857 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4859 struct sk_buff *skb;
4860 struct rtl8192_rx_info *info;
4862 while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4863 info = (struct rtl8192_rx_info *)skb->cb;
4864 switch (info->out_pipe) {
4865 /* Nomal packet pipe */
4867 priv->IrpPendingCount--;
4868 rtl8192_rx_nomal(skb);
4871 /* Command packet pipe */
4873 RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4876 rtl8192_rx_cmd(skb);
4879 default: /* should never get here! */
4880 RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4888 static const struct net_device_ops rtl8192_netdev_ops = {
4889 .ndo_open = rtl8192_open,
4890 .ndo_stop = rtl8192_close,
4891 .ndo_get_stats = rtl8192_stats,
4892 .ndo_tx_timeout = tx_timeout,
4893 .ndo_do_ioctl = rtl8192_ioctl,
4894 .ndo_set_rx_mode = r8192_set_multicast,
4895 .ndo_set_mac_address = r8192_set_mac_adr,
4896 .ndo_validate_addr = eth_validate_addr,
4897 .ndo_start_xmit = ieee80211_xmit,
4901 /****************************************************************************
4902 * ---------------------------- USB_STUFF---------------------------
4903 *****************************************************************************/
4905 static int rtl8192_usb_probe(struct usb_interface *intf,
4906 const struct usb_device_id *id)
4908 struct net_device *dev = NULL;
4909 struct r8192_priv *priv = NULL;
4910 struct usb_device *udev = interface_to_usbdev(intf);
4913 RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4915 dev = alloc_ieee80211(sizeof(struct r8192_priv));
4919 usb_set_intfdata(intf, dev);
4920 SET_NETDEV_DEV(dev, &intf->dev);
4921 priv = ieee80211_priv(dev);
4922 priv->ieee80211 = netdev_priv(dev);
4925 dev->netdev_ops = &rtl8192_netdev_ops;
4927 dev->wireless_handlers = &r8192_wx_handlers_def;
4929 dev->type = ARPHRD_ETHER;
4931 dev->watchdog_timeo = HZ * 3;
4933 if (dev_alloc_name(dev, ifname) < 0) {
4935 "Oops: devname already taken! Trying wlan%%d...\n");
4937 dev_alloc_name(dev, ifname);
4940 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4941 if (rtl8192_init(dev) != 0) {
4942 RT_TRACE(COMP_ERR, "Initialization failed");
4946 netif_carrier_off(dev);
4947 netif_stop_queue(dev);
4949 ret = register_netdev(dev);
4953 RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4954 rtl8192_proc_init_one(dev);
4957 RT_TRACE(COMP_INIT, "Driver probe completed\n");
4963 kfree(priv->pFirmware);
4964 priv->pFirmware = NULL;
4965 rtl8192_usb_deleteendpoints(dev);
4967 free_ieee80211(dev);
4969 RT_TRACE(COMP_ERR, "wlan driver load failed\n");
4973 /* detach all the work and timer structure declared or inititialize
4974 * in r8192U_init function.
4976 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
4978 cancel_work_sync(&priv->reset_wq);
4979 cancel_delayed_work(&priv->watch_dog_wq);
4980 cancel_delayed_work(&priv->update_beacon_wq);
4981 cancel_work_sync(&priv->qos_activate);
4985 static void rtl8192_usb_disconnect(struct usb_interface *intf)
4987 struct net_device *dev = usb_get_intfdata(intf);
4988 struct r8192_priv *priv = ieee80211_priv(dev);
4991 unregister_netdev(dev);
4994 "=============>wlan driver to be removed\n");
4995 rtl8192_proc_remove_one(dev);
4998 kfree(priv->pFirmware);
4999 priv->pFirmware = NULL;
5000 rtl8192_usb_deleteendpoints(dev);
5001 usleep_range(10000, 11000);
5003 free_ieee80211(dev);
5004 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5007 static int __init rtl8192_usb_module_init(void)
5011 #ifdef CONFIG_IEEE80211_DEBUG
5012 ret = ieee80211_debug_init();
5014 pr_err("ieee80211_debug_init() failed %d\n", ret);
5018 ret = ieee80211_crypto_init();
5020 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5024 ret = ieee80211_crypto_tkip_init();
5026 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5030 ret = ieee80211_crypto_ccmp_init();
5032 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5036 ret = ieee80211_crypto_wep_init();
5038 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5042 pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5043 pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5044 RT_TRACE(COMP_INIT, "Initializing module");
5045 RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5046 rtl8192_proc_module_init();
5047 return usb_register(&rtl8192_usb_driver);
5051 static void __exit rtl8192_usb_module_exit(void)
5053 usb_deregister(&rtl8192_usb_driver);
5055 RT_TRACE(COMP_DOWN, "Exiting");
5058 void EnableHWSecurityConfig8192(struct net_device *dev)
5060 u8 SECR_value = 0x0;
5061 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5062 struct ieee80211_device *ieee = priv->ieee80211;
5064 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5065 if (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (priv->ieee80211->auth_mode != 2)) {
5066 SECR_value |= SCR_RxUseDK;
5067 SECR_value |= SCR_TxUseDK;
5068 } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5069 SECR_value |= SCR_RxUseDK;
5070 SECR_value |= SCR_TxUseDK;
5072 /* add HWSec active enable here.
5073 * default using hwsec. when peer AP is in N mode only and
5074 * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5075 * it), use software security. when peer AP is in b,g,n mode mixed and
5076 * pairwise_key_type is none_aes, use g mode hw security.
5079 ieee->hwsec_active = 1;
5081 /* add hwsec_support flag to totol control hw_sec on/off */
5082 if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5083 ieee->hwsec_active = 0;
5084 SECR_value &= ~SCR_RxDecEnable;
5086 RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5087 __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5089 write_nic_byte(dev, SECR, SECR_value);
5093 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5094 u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5096 u32 TargetCommand = 0;
5097 u32 TargetContent = 0;
5101 if (EntryNo >= TOTAL_CAM_ENTRY)
5102 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5105 "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5106 dev, EntryNo, KeyIndex, KeyType, MacAddr);
5109 usConfig |= BIT(15) | (KeyType << 2);
5111 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5114 for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5115 TargetCommand = i + CAM_CONTENT_COUNT * EntryNo;
5116 TargetCommand |= BIT(31) | BIT(16);
5118 if (i == 0) { /* MAC|Config */
5119 TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5120 (u32)(*(MacAddr + 1)) << 24 |
5123 write_nic_dword(dev, WCAMI, TargetContent);
5124 write_nic_dword(dev, RWCAM, TargetCommand);
5125 } else if (i == 1) { /* MAC */
5126 TargetContent = (u32)(*(MacAddr + 2)) |
5127 (u32)(*(MacAddr + 3)) << 8 |
5128 (u32)(*(MacAddr + 4)) << 16 |
5129 (u32)(*(MacAddr + 5)) << 24;
5130 write_nic_dword(dev, WCAMI, TargetContent);
5131 write_nic_dword(dev, RWCAM, TargetCommand);
5135 write_nic_dword(dev, WCAMI,
5136 *(KeyContent + i - 2));
5137 write_nic_dword(dev, RWCAM, TargetCommand);
5143 /***************************************************************************
5144 * ------------------- module init / exit stubs ----------------
5145 ****************************************************************************/
5146 module_init(rtl8192_usb_module_init);
5147 module_exit(rtl8192_usb_module_exit);