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authorLinus Torvalds <torvalds@linux-foundation.org>2009-02-09 16:58:40 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-02-09 16:58:40 -0500
commit7d1676629e9262f441540ecb0cde57e5cafc632f (patch)
treef60ad97a2253e76f2e2f04727f43beda787a309f
parent6707fbb56c8fd3121e334291d170934bcaca2e7f (diff)
parent6136ac86b719716694884a84cd9d403207cc52b9 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: Staging: panel: fix lcd panel driver build failure Staging: android: fix up units in timed_gpio Staging: android: ram_console: Disable ECC when early init is enabled and validate buffer size Staging: at76_usb: Add support for OQO Model 01+ Staging: at76_usb: fix bugs introduced by "Staging: at76_usb: cleanup dma on stack issues" Revert Staging: at76_usb: update drivers/staging/at76_usb w/ mac80211 port
Diffstat
-rw-r--r--drivers/staging/android/Kconfig1
-rw-r--r--drivers/staging/android/ram_console.c14
-rw-r--r--drivers/staging/android/timed_gpio.c2
-rw-r--r--drivers/staging/at76_usb/Kconfig2
-rw-r--r--drivers/staging/at76_usb/at76_usb.c4620
-rw-r--r--drivers/staging/at76_usb/at76_usb.h227
-rw-r--r--drivers/staging/panel/panel.c10
7 files changed, 3903 insertions, 973 deletions
diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig
index 6b996db0dd6a..604bd1e0d546 100644
--- a/drivers/staging/android/Kconfig
+++ b/drivers/staging/android/Kconfig
@@ -27,6 +27,7 @@ menuconfig ANDROID_RAM_CONSOLE_ERROR_CORRECTION
27 bool "Android RAM Console Enable error correction" 27 bool "Android RAM Console Enable error correction"
28 default n 28 default n
29 depends on ANDROID_RAM_CONSOLE 29 depends on ANDROID_RAM_CONSOLE
30 depends on !ANDROID_RAM_CONSOLE_EARLY_INIT
30 select REED_SOLOMON 31 select REED_SOLOMON
31 select REED_SOLOMON_ENC8 32 select REED_SOLOMON_ENC8
32 select REED_SOLOMON_DEC8 33 select REED_SOLOMON_DEC8
diff --git a/drivers/staging/android/ram_console.c b/drivers/staging/android/ram_console.c
index bf006857a87a..643ac5ce381d 100644
--- a/drivers/staging/android/ram_console.c
+++ b/drivers/staging/android/ram_console.c
@@ -224,9 +224,23 @@ static int __init ram_console_init(struct ram_console_buffer *buffer,
224 ram_console_buffer_size = 224 ram_console_buffer_size =
225 buffer_size - sizeof(struct ram_console_buffer); 225 buffer_size - sizeof(struct ram_console_buffer);
226 226
227 if (ram_console_buffer_size > buffer_size) {
228 pr_err("ram_console: buffer %p, invalid size %d, datasize %d\n",
229 buffer, buffer_size, ram_console_buffer_size);
230 return 0;
231 }
232
227#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION 233#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION
228 ram_console_buffer_size -= (DIV_ROUND_UP(ram_console_buffer_size, 234 ram_console_buffer_size -= (DIV_ROUND_UP(ram_console_buffer_size,
229 ECC_BLOCK_SIZE) + 1) * ECC_SIZE; 235 ECC_BLOCK_SIZE) + 1) * ECC_SIZE;
236
237 if (ram_console_buffer_size > buffer_size) {
238 pr_err("ram_console: buffer %p, invalid size %d, "
239 "non-ecc datasize %d\n",
240 buffer, buffer_size, ram_console_buffer_size);
241 return 0;
242 }
243
230 ram_console_par_buffer = buffer->data + ram_console_buffer_size; 244 ram_console_par_buffer = buffer->data + ram_console_buffer_size;
231 245
232 246
diff --git a/drivers/staging/android/timed_gpio.c b/drivers/staging/android/timed_gpio.c
index 903270cbbe02..33daff0481d2 100644
--- a/drivers/staging/android/timed_gpio.c
+++ b/drivers/staging/android/timed_gpio.c
@@ -50,7 +50,7 @@ static ssize_t gpio_enable_show(struct device *dev, struct device_attribute *att
50 if (hrtimer_active(&gpio_data->timer)) { 50 if (hrtimer_active(&gpio_data->timer)) {
51 ktime_t r = hrtimer_get_remaining(&gpio_data->timer); 51 ktime_t r = hrtimer_get_remaining(&gpio_data->timer);
52 struct timeval t = ktime_to_timeval(r); 52 struct timeval t = ktime_to_timeval(r);
53 remaining = t.tv_sec * 1000 + t.tv_usec; 53 remaining = t.tv_sec * 1000 + t.tv_usec / 1000;
54 } else 54 } else
55 remaining = 0; 55 remaining = 0;
56 56
diff --git a/drivers/staging/at76_usb/Kconfig b/drivers/staging/at76_usb/Kconfig
index 4c0e55e15448..8606f9621624 100644
--- a/drivers/staging/at76_usb/Kconfig
+++ b/drivers/staging/at76_usb/Kconfig
@@ -1,6 +1,6 @@
1config USB_ATMEL 1config USB_ATMEL
2 tristate "Atmel at76c503/at76c505/at76c505a USB cards" 2 tristate "Atmel at76c503/at76c505/at76c505a USB cards"
3 depends on MAC80211 && WLAN_80211 && USB 3 depends on WLAN_80211 && USB
4 default N 4 default N
5 select FW_LOADER 5 select FW_LOADER
6 ---help--- 6 ---help---
diff --git a/drivers/staging/at76_usb/at76_usb.c b/drivers/staging/at76_usb/at76_usb.c
index 185533e54769..c8e4d31c7df2 100644
--- a/drivers/staging/at76_usb/at76_usb.c
+++ b/drivers/staging/at76_usb/at76_usb.c
@@ -6,7 +6,6 @@
6 * Copyright (c) 2004 Nick Jones 6 * Copyright (c) 2004 Nick Jones
7 * Copyright (c) 2004 Balint Seeber <n0_5p4m_p13453@hotmail.com> 7 * Copyright (c) 2004 Balint Seeber <n0_5p4m_p13453@hotmail.com>
8 * Copyright (c) 2007 Guido Guenther <agx@sigxcpu.org> 8 * Copyright (c) 2007 Guido Guenther <agx@sigxcpu.org>
9 * Copyright (c) 2007 Kalle Valo <kalle.valo@iki.fi>
10 * 9 *
11 * This program is free software; you can redistribute it and/or 10 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as 11 * modify it under the terms of the GNU General Public License as
@@ -17,13 +16,6 @@
17 * Atmel AT76C503A/505/505A. 16 * Atmel AT76C503A/505/505A.
18 * 17 *
19 * Some iw_handler code was taken from airo.c, (C) 1999 Benjamin Reed 18 * Some iw_handler code was taken from airo.c, (C) 1999 Benjamin Reed
20 *
21 * TODO for the mac80211 port:
22 * o adhoc support
23 * o RTS/CTS support
24 * o Power Save Mode support
25 * o support for short/long preambles
26 * o export variables through debugfs/sysfs
27 */ 19 */
28 20
29#include <linux/init.h> 21#include <linux/init.h>
@@ -44,7 +36,7 @@
44#include <net/ieee80211_radiotap.h> 36#include <net/ieee80211_radiotap.h>
45#include <linux/firmware.h> 37#include <linux/firmware.h>
46#include <linux/leds.h> 38#include <linux/leds.h>
47#include <net/mac80211.h> 39#include <net/ieee80211.h>
48 40
49#include "at76_usb.h" 41#include "at76_usb.h"
50 42
@@ -84,43 +76,31 @@
84#define DBG_WE_EVENTS 0x08000000 /* dump wireless events */ 76#define DBG_WE_EVENTS 0x08000000 /* dump wireless events */
85#define DBG_FW 0x10000000 /* firmware download */ 77#define DBG_FW 0x10000000 /* firmware download */
86#define DBG_DFU 0x20000000 /* device firmware upgrade */ 78#define DBG_DFU 0x20000000 /* device firmware upgrade */
87#define DBG_CMD 0x40000000
88#define DBG_MAC80211 0x80000000
89 79
90#define DBG_DEFAULTS 0 80#define DBG_DEFAULTS 0
91 81
92/* Use our own dbg macro */ 82/* Use our own dbg macro */
93#define at76_dbg(bits, format, arg...) \ 83#define at76_dbg(bits, format, arg...) \
94do { \ 84 do { \
95 if (at76_debug & (bits)) \ 85 if (at76_debug & (bits)) \
96 printk(KERN_DEBUG DRIVER_NAME ": " format "\n" , ## arg); \
97} while (0)
98
99#define at76_dbg_dump(bits, buf, len, format, arg...) \
100do { \
101 if (at76_debug & (bits)) { \
102 printk(KERN_DEBUG DRIVER_NAME ": " format "\n" , ## arg); \ 86 printk(KERN_DEBUG DRIVER_NAME ": " format "\n" , ## arg); \
103 print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, buf, len); \ 87 } while (0)
104 } \
105} while (0)
106 88
107static int at76_debug = DBG_DEFAULTS; 89static int at76_debug = DBG_DEFAULTS;
108 90
109#define FIRMWARE_IS_WPA(ver) ((ver.major == 1) && (ver.minor == 103))
110
111/* Protect against concurrent firmware loading and parsing */ 91/* Protect against concurrent firmware loading and parsing */
112static struct mutex fw_mutex; 92static struct mutex fw_mutex;
113 93
114static struct fwentry firmwares[] = { 94static struct fwentry firmwares[] = {
115 [0] = { "" }, 95 [0] = {""},
116 [BOARD_503_ISL3861] = { "atmel_at76c503-i3861.bin" }, 96 [BOARD_503_ISL3861] = {"atmel_at76c503-i3861.bin"},
117 [BOARD_503_ISL3863] = { "atmel_at76c503-i3863.bin" }, 97 [BOARD_503_ISL3863] = {"atmel_at76c503-i3863.bin"},
118 [BOARD_503] = { "atmel_at76c503-rfmd.bin" }, 98 [BOARD_503] = {"atmel_at76c503-rfmd.bin"},
119 [BOARD_503_ACC] = { "atmel_at76c503-rfmd-acc.bin" }, 99 [BOARD_503_ACC] = {"atmel_at76c503-rfmd-acc.bin"},
120 [BOARD_505] = { "atmel_at76c505-rfmd.bin" }, 100 [BOARD_505] = {"atmel_at76c505-rfmd.bin"},
121 [BOARD_505_2958] = { "atmel_at76c505-rfmd2958.bin" }, 101 [BOARD_505_2958] = {"atmel_at76c505-rfmd2958.bin"},
122 [BOARD_505A] = { "atmel_at76c505a-rfmd2958.bin" }, 102 [BOARD_505A] = {"atmel_at76c505a-rfmd2958.bin"},
123 [BOARD_505AMX] = { "atmel_at76c505amx-rfmd.bin" }, 103 [BOARD_505AMX] = {"atmel_at76c505amx-rfmd.bin"},
124}; 104};
125 105
126#define USB_DEVICE_DATA(__ops) .driver_info = (kernel_ulong_t)(__ops) 106#define USB_DEVICE_DATA(__ops) .driver_info = (kernel_ulong_t)(__ops)
@@ -130,133 +110,135 @@ static struct usb_device_id dev_table[] = {
130 * at76c503-i3861 110 * at76c503-i3861
131 */ 111 */
132 /* Generic AT76C503/3861 device */ 112 /* Generic AT76C503/3861 device */
133 { USB_DEVICE(0x03eb, 0x7603), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 113 {USB_DEVICE(0x03eb, 0x7603), USB_DEVICE_DATA(BOARD_503_ISL3861)},
134 /* Linksys WUSB11 v2.1/v2.6 */ 114 /* Linksys WUSB11 v2.1/v2.6 */
135 { USB_DEVICE(0x066b, 0x2211), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 115 {USB_DEVICE(0x066b, 0x2211), USB_DEVICE_DATA(BOARD_503_ISL3861)},
136 /* Netgear MA101 rev. A */ 116 /* Netgear MA101 rev. A */
137 { USB_DEVICE(0x0864, 0x4100), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 117 {USB_DEVICE(0x0864, 0x4100), USB_DEVICE_DATA(BOARD_503_ISL3861)},
138 /* Tekram U300C / Allnet ALL0193 */ 118 /* Tekram U300C / Allnet ALL0193 */
139 { USB_DEVICE(0x0b3b, 0x1612), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 119 {USB_DEVICE(0x0b3b, 0x1612), USB_DEVICE_DATA(BOARD_503_ISL3861)},
140 /* HP HN210W J7801A */ 120 /* HP HN210W J7801A */
141 { USB_DEVICE(0x03f0, 0x011c), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 121 {USB_DEVICE(0x03f0, 0x011c), USB_DEVICE_DATA(BOARD_503_ISL3861)},
142 /* Sitecom/Z-Com/Zyxel M4Y-750 */ 122 /* Sitecom/Z-Com/Zyxel M4Y-750 */
143 { USB_DEVICE(0x0cde, 0x0001), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 123 {USB_DEVICE(0x0cde, 0x0001), USB_DEVICE_DATA(BOARD_503_ISL3861)},
144 /* Dynalink/Askey WLL013 (intersil) */ 124 /* Dynalink/Askey WLL013 (intersil) */
145 { USB_DEVICE(0x069a, 0x0320), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 125 {USB_DEVICE(0x069a, 0x0320), USB_DEVICE_DATA(BOARD_503_ISL3861)},
146 /* EZ connect 11Mpbs Wireless USB Adapter SMC2662W v1 */ 126 /* EZ connect 11Mpbs Wireless USB Adapter SMC2662W v1 */
147 { USB_DEVICE(0x0d5c, 0xa001), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 127 {USB_DEVICE(0x0d5c, 0xa001), USB_DEVICE_DATA(BOARD_503_ISL3861)},
148 /* BenQ AWL300 */ 128 /* BenQ AWL300 */
149 { USB_DEVICE(0x04a5, 0x9000), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 129 {USB_DEVICE(0x04a5, 0x9000), USB_DEVICE_DATA(BOARD_503_ISL3861)},
150 /* Addtron AWU-120, Compex WLU11 */ 130 /* Addtron AWU-120, Compex WLU11 */
151 { USB_DEVICE(0x05dd, 0xff31), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 131 {USB_DEVICE(0x05dd, 0xff31), USB_DEVICE_DATA(BOARD_503_ISL3861)},
152 /* Intel AP310 AnyPoint II USB */ 132 /* Intel AP310 AnyPoint II USB */
153 { USB_DEVICE(0x8086, 0x0200), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 133 {USB_DEVICE(0x8086, 0x0200), USB_DEVICE_DATA(BOARD_503_ISL3861)},
154 /* Dynalink L11U */ 134 /* Dynalink L11U */
155 { USB_DEVICE(0x0d8e, 0x7100), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 135 {USB_DEVICE(0x0d8e, 0x7100), USB_DEVICE_DATA(BOARD_503_ISL3861)},
156 /* Arescom WL-210, FCC id 07J-GL2411USB */ 136 /* Arescom WL-210, FCC id 07J-GL2411USB */
157 { USB_DEVICE(0x0d8e, 0x7110), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 137 {USB_DEVICE(0x0d8e, 0x7110), USB_DEVICE_DATA(BOARD_503_ISL3861)},
158 /* I-O DATA WN-B11/USB */ 138 /* I-O DATA WN-B11/USB */
159 { USB_DEVICE(0x04bb, 0x0919), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 139 {USB_DEVICE(0x04bb, 0x0919), USB_DEVICE_DATA(BOARD_503_ISL3861)},
160 /* BT Voyager 1010 */ 140 /* BT Voyager 1010 */
161 { USB_DEVICE(0x069a, 0x0821), USB_DEVICE_DATA(BOARD_503_ISL3861) }, 141 {USB_DEVICE(0x069a, 0x0821), USB_DEVICE_DATA(BOARD_503_ISL3861)},
162 /* 142 /*
163 * at76c503-i3863 143 * at76c503-i3863
164 */ 144 */
165 /* Generic AT76C503/3863 device */ 145 /* Generic AT76C503/3863 device */
166 { USB_DEVICE(0x03eb, 0x7604), USB_DEVICE_DATA(BOARD_503_ISL3863) }, 146 {USB_DEVICE(0x03eb, 0x7604), USB_DEVICE_DATA(BOARD_503_ISL3863)},
167 /* Samsung SWL-2100U */ 147 /* Samsung SWL-2100U */
168 { USB_DEVICE(0x055d, 0xa000), USB_DEVICE_DATA(BOARD_503_ISL3863) }, 148 {USB_DEVICE(0x055d, 0xa000), USB_DEVICE_DATA(BOARD_503_ISL3863)},
169 /* 149 /*
170 * at76c503-rfmd 150 * at76c503-rfmd
171 */ 151 */
172 /* Generic AT76C503/RFMD device */ 152 /* Generic AT76C503/RFMD device */
173 { USB_DEVICE(0x03eb, 0x7605), USB_DEVICE_DATA(BOARD_503) }, 153 {USB_DEVICE(0x03eb, 0x7605), USB_DEVICE_DATA(BOARD_503)},
174 /* Dynalink/Askey WLL013 (rfmd) */ 154 /* Dynalink/Askey WLL013 (rfmd) */
175 { USB_DEVICE(0x069a, 0x0321), USB_DEVICE_DATA(BOARD_503) }, 155 {USB_DEVICE(0x069a, 0x0321), USB_DEVICE_DATA(BOARD_503)},
176 /* Linksys WUSB11 v2.6 */ 156 /* Linksys WUSB11 v2.6 */
177 { USB_DEVICE(0x077b, 0x2219), USB_DEVICE_DATA(BOARD_503) }, 157 {USB_DEVICE(0x077b, 0x2219), USB_DEVICE_DATA(BOARD_503)},
178 /* Network Everywhere NWU11B */ 158 /* Network Everywhere NWU11B */
179 { USB_DEVICE(0x077b, 0x2227), USB_DEVICE_DATA(BOARD_503) }, 159 {USB_DEVICE(0x077b, 0x2227), USB_DEVICE_DATA(BOARD_503)},
180 /* Netgear MA101 rev. B */ 160 /* Netgear MA101 rev. B */
181 { USB_DEVICE(0x0864, 0x4102), USB_DEVICE_DATA(BOARD_503) }, 161 {USB_DEVICE(0x0864, 0x4102), USB_DEVICE_DATA(BOARD_503)},
182 /* D-Link DWL-120 rev. E */ 162 /* D-Link DWL-120 rev. E */
183 { USB_DEVICE(0x2001, 0x3200), USB_DEVICE_DATA(BOARD_503) }, 163 {USB_DEVICE(0x2001, 0x3200), USB_DEVICE_DATA(BOARD_503)},
184 /* Actiontec 802UAT1, HWU01150-01UK */ 164 /* Actiontec 802UAT1, HWU01150-01UK */
185 { USB_DEVICE(0x1668, 0x7605), USB_DEVICE_DATA(BOARD_503) }, 165 {USB_DEVICE(0x1668, 0x7605), USB_DEVICE_DATA(BOARD_503)},
186 /* AirVast W-Buddie WN210 */ 166 /* AirVast W-Buddie WN210 */
187 { USB_DEVICE(0x03eb, 0x4102), USB_DEVICE_DATA(BOARD_503) }, 167 {USB_DEVICE(0x03eb, 0x4102), USB_DEVICE_DATA(BOARD_503)},
188 /* Dick Smith Electronics XH1153 802.11b USB adapter */ 168 /* Dick Smith Electronics XH1153 802.11b USB adapter */
189 { USB_DEVICE(0x1371, 0x5743), USB_DEVICE_DATA(BOARD_503) }, 169 {USB_DEVICE(0x1371, 0x5743), USB_DEVICE_DATA(BOARD_503)},
190 /* CNet CNUSB611 */ 170 /* CNet CNUSB611 */
191 { USB_DEVICE(0x1371, 0x0001), USB_DEVICE_DATA(BOARD_503) }, 171 {USB_DEVICE(0x1371, 0x0001), USB_DEVICE_DATA(BOARD_503)},
192 /* FiberLine FL-WL200U */ 172 /* FiberLine FL-WL200U */
193 { USB_DEVICE(0x1371, 0x0002), USB_DEVICE_DATA(BOARD_503) }, 173 {USB_DEVICE(0x1371, 0x0002), USB_DEVICE_DATA(BOARD_503)},
194 /* BenQ AWL400 USB stick */ 174 /* BenQ AWL400 USB stick */
195 { USB_DEVICE(0x04a5, 0x9001), USB_DEVICE_DATA(BOARD_503) }, 175 {USB_DEVICE(0x04a5, 0x9001), USB_DEVICE_DATA(BOARD_503)},
196 /* 3Com 3CRSHEW696 */ 176 /* 3Com 3CRSHEW696 */
197 { USB_DEVICE(0x0506, 0x0a01), USB_DEVICE_DATA(BOARD_503) }, 177 {USB_DEVICE(0x0506, 0x0a01), USB_DEVICE_DATA(BOARD_503)},
198 /* Siemens Santis ADSL WLAN USB adapter WLL 013 */ 178 /* Siemens Santis ADSL WLAN USB adapter WLL 013 */
199 { USB_DEVICE(0x0681, 0x001b), USB_DEVICE_DATA(BOARD_503) }, 179 {USB_DEVICE(0x0681, 0x001b), USB_DEVICE_DATA(BOARD_503)},
200 /* Belkin F5D6050, version 2 */ 180 /* Belkin F5D6050, version 2 */
201 { USB_DEVICE(0x050d, 0x0050), USB_DEVICE_DATA(BOARD_503) }, 181 {USB_DEVICE(0x050d, 0x0050), USB_DEVICE_DATA(BOARD_503)},
202 /* iBlitzz, BWU613 (not *B or *SB) */ 182 /* iBlitzz, BWU613 (not *B or *SB) */
203 { USB_DEVICE(0x07b8, 0xb000), USB_DEVICE_DATA(BOARD_503) }, 183 {USB_DEVICE(0x07b8, 0xb000), USB_DEVICE_DATA(BOARD_503)},
204 /* Gigabyte GN-WLBM101 */ 184 /* Gigabyte GN-WLBM101 */
205 { USB_DEVICE(0x1044, 0x8003), USB_DEVICE_DATA(BOARD_503) }, 185 {USB_DEVICE(0x1044, 0x8003), USB_DEVICE_DATA(BOARD_503)},
206 /* Planex GW-US11S */ 186 /* Planex GW-US11S */
207 { USB_DEVICE(0x2019, 0x3220), USB_DEVICE_DATA(BOARD_503) }, 187 {USB_DEVICE(0x2019, 0x3220), USB_DEVICE_DATA(BOARD_503)},
208 /* Internal WLAN adapter in h5[4,5]xx series iPAQs */ 188 /* Internal WLAN adapter in h5[4,5]xx series iPAQs */
209 { USB_DEVICE(0x049f, 0x0032), USB_DEVICE_DATA(BOARD_503) }, 189 {USB_DEVICE(0x049f, 0x0032), USB_DEVICE_DATA(BOARD_503)},
210 /* Corega Wireless LAN USB-11 mini */ 190 /* Corega Wireless LAN USB-11 mini */
211 { USB_DEVICE(0x07aa, 0x0011), USB_DEVICE_DATA(BOARD_503) }, 191 {USB_DEVICE(0x07aa, 0x0011), USB_DEVICE_DATA(BOARD_503)},
212 /* Corega Wireless LAN USB-11 mini2 */ 192 /* Corega Wireless LAN USB-11 mini2 */
213 { USB_DEVICE(0x07aa, 0x0018), USB_DEVICE_DATA(BOARD_503) }, 193 {USB_DEVICE(0x07aa, 0x0018), USB_DEVICE_DATA(BOARD_503)},
214 /* Uniden PCW100 */ 194 /* Uniden PCW100 */
215 { USB_DEVICE(0x05dd, 0xff35), USB_DEVICE_DATA(BOARD_503) }, 195 {USB_DEVICE(0x05dd, 0xff35), USB_DEVICE_DATA(BOARD_503)},
216 /* 196 /*
217 * at76c503-rfmd-acc 197 * at76c503-rfmd-acc
218 */ 198 */
219 /* SMC2664W */ 199 /* SMC2664W */
220 { USB_DEVICE(0x083a, 0x3501), USB_DEVICE_DATA(BOARD_503_ACC) }, 200 {USB_DEVICE(0x083a, 0x3501), USB_DEVICE_DATA(BOARD_503_ACC)},
221 /* Belkin F5D6050, SMC2662W v2, SMC2662W-AR */ 201 /* Belkin F5D6050, SMC2662W v2, SMC2662W-AR */
222 { USB_DEVICE(0x0d5c, 0xa002), USB_DEVICE_DATA(BOARD_503_ACC) }, 202 {USB_DEVICE(0x0d5c, 0xa002), USB_DEVICE_DATA(BOARD_503_ACC)},
223 /* 203 /*
224 * at76c505-rfmd 204 * at76c505-rfmd
225 */ 205 */
226 /* Generic AT76C505/RFMD */ 206 /* Generic AT76C505/RFMD */
227 { USB_DEVICE(0x03eb, 0x7606), USB_DEVICE_DATA(BOARD_505) }, 207 {USB_DEVICE(0x03eb, 0x7606), USB_DEVICE_DATA(BOARD_505)},
228 /* 208 /*
229 * at76c505-rfmd2958 209 * at76c505-rfmd2958
230 */ 210 */
231 /* Generic AT76C505/RFMD, OvisLink WL-1130USB */ 211 /* Generic AT76C505/RFMD, OvisLink WL-1130USB */
232 { USB_DEVICE(0x03eb, 0x7613), USB_DEVICE_DATA(BOARD_505_2958) }, 212 {USB_DEVICE(0x03eb, 0x7613), USB_DEVICE_DATA(BOARD_505_2958)},
233 /* Fiberline FL-WL240U */ 213 /* Fiberline FL-WL240U */
234 { USB_DEVICE(0x1371, 0x0014), USB_DEVICE_DATA(BOARD_505_2958) }, 214 {USB_DEVICE(0x1371, 0x0014), USB_DEVICE_DATA(BOARD_505_2958)},
235 /* CNet CNUSB-611G */ 215 /* CNet CNUSB-611G */
236 { USB_DEVICE(0x1371, 0x0013), USB_DEVICE_DATA(BOARD_505_2958) }, 216 {USB_DEVICE(0x1371, 0x0013), USB_DEVICE_DATA(BOARD_505_2958)},
237 /* Linksys WUSB11 v2.8 */ 217 /* Linksys WUSB11 v2.8 */
238 { USB_DEVICE(0x1915, 0x2233), USB_DEVICE_DATA(BOARD_505_2958) }, 218 {USB_DEVICE(0x1915, 0x2233), USB_DEVICE_DATA(BOARD_505_2958)},
239 /* Xterasys XN-2122B, IBlitzz BWU613B/BWU613SB */ 219 /* Xterasys XN-2122B, IBlitzz BWU613B/BWU613SB */
240 { USB_DEVICE(0x12fd, 0x1001), USB_DEVICE_DATA(BOARD_505_2958) }, 220 {USB_DEVICE(0x12fd, 0x1001), USB_DEVICE_DATA(BOARD_505_2958)},
241 /* Corega WLAN USB Stick 11 */ 221 /* Corega WLAN USB Stick 11 */
242 { USB_DEVICE(0x07aa, 0x7613), USB_DEVICE_DATA(BOARD_505_2958) }, 222 {USB_DEVICE(0x07aa, 0x7613), USB_DEVICE_DATA(BOARD_505_2958)},
243 /* Microstar MSI Box MS6978 */ 223 /* Microstar MSI Box MS6978 */
244 { USB_DEVICE(0x0db0, 0x1020), USB_DEVICE_DATA(BOARD_505_2958) }, 224 {USB_DEVICE(0x0db0, 0x1020), USB_DEVICE_DATA(BOARD_505_2958)},
245 /* 225 /*
246 * at76c505a-rfmd2958 226 * at76c505a-rfmd2958
247 */ 227 */
248 /* Generic AT76C505A device */ 228 /* Generic AT76C505A device */
249 { USB_DEVICE(0x03eb, 0x7614), USB_DEVICE_DATA(BOARD_505A) }, 229 {USB_DEVICE(0x03eb, 0x7614), USB_DEVICE_DATA(BOARD_505A)},
250 /* Generic AT76C505AS device */ 230 /* Generic AT76C505AS device */
251 { USB_DEVICE(0x03eb, 0x7617), USB_DEVICE_DATA(BOARD_505A) }, 231 {USB_DEVICE(0x03eb, 0x7617), USB_DEVICE_DATA(BOARD_505A)},
252 /* Siemens Gigaset USB WLAN Adapter 11 */ 232 /* Siemens Gigaset USB WLAN Adapter 11 */
253 { USB_DEVICE(0x1690, 0x0701), USB_DEVICE_DATA(BOARD_505A) }, 233 {USB_DEVICE(0x1690, 0x0701), USB_DEVICE_DATA(BOARD_505A)},
234 /* OQO Model 01+ Internal Wi-Fi */
235 {USB_DEVICE(0x1557, 0x0002), USB_DEVICE_DATA(BOARD_505A)},
254 /* 236 /*
255 * at76c505amx-rfmd 237 * at76c505amx-rfmd
256 */ 238 */
257 /* Generic AT76C505AMX device */ 239 /* Generic AT76C505AMX device */
258 { USB_DEVICE(0x03eb, 0x7615), USB_DEVICE_DATA(BOARD_505AMX) }, 240 {USB_DEVICE(0x03eb, 0x7615), USB_DEVICE_DATA(BOARD_505AMX)},
259 { } 241 {}
260}; 242};
261 243
262MODULE_DEVICE_TABLE(usb, dev_table); 244MODULE_DEVICE_TABLE(usb, dev_table);
@@ -264,8 +246,26 @@ MODULE_DEVICE_TABLE(usb, dev_table);
264/* Supported rates of this hardware, bit 7 marks basic rates */ 246/* Supported rates of this hardware, bit 7 marks basic rates */
265static const u8 hw_rates[] = { 0x82, 0x84, 0x0b, 0x16 }; 247static const u8 hw_rates[] = { 0x82, 0x84, 0x0b, 0x16 };
266 248
249/* Frequency of each channel in MHz */
250static const long channel_frequency[] = {
251 2412, 2417, 2422, 2427, 2432, 2437, 2442,
252 2447, 2452, 2457, 2462, 2467, 2472, 2484
253};
254
255#define NUM_CHANNELS ARRAY_SIZE(channel_frequency)
256
267static const char *const preambles[] = { "long", "short", "auto" }; 257static const char *const preambles[] = { "long", "short", "auto" };
268 258
259static const char *const mac_states[] = {
260 [MAC_INIT] = "INIT",
261 [MAC_SCANNING] = "SCANNING",
262 [MAC_AUTH] = "AUTH",
263 [MAC_ASSOC] = "ASSOC",
264 [MAC_JOINING] = "JOINING",
265 [MAC_CONNECTED] = "CONNECTED",
266 [MAC_OWN_IBSS] = "OWN_IBSS"
267};
268
269/* Firmware download */ 269/* Firmware download */
270/* DFU states */ 270/* DFU states */
271#define STATE_IDLE 0x00 271#define STATE_IDLE 0x00
@@ -300,30 +300,17 @@ struct dfu_status {
300 300
301static inline int at76_is_intersil(enum board_type board) 301static inline int at76_is_intersil(enum board_type board)
302{ 302{
303 if (board == BOARD_503_ISL3861 || board == BOARD_503_ISL3863) 303 return (board == BOARD_503_ISL3861 || board == BOARD_503_ISL3863);
304 return 1;
305 return 0;
306} 304}
307 305
308static inline int at76_is_503rfmd(enum board_type board) 306static inline int at76_is_503rfmd(enum board_type board)
309{ 307{
310 if (board == BOARD_503 || board == BOARD_503_ACC) 308 return (board == BOARD_503 || board == BOARD_503_ACC);
311 return 1;
312 return 0;
313}
314
315static inline int at76_is_505(enum board_type board)
316{
317 if (board == BOARD_505 || board == BOARD_505_2958)
318 return 1;
319 return 0;
320} 309}
321 310
322static inline int at76_is_505a(enum board_type board) 311static inline int at76_is_505a(enum board_type board)
323{ 312{
324 if (board == BOARD_505A || board == BOARD_505AMX) 313 return (board == BOARD_505A || board == BOARD_505AMX);
325 return 1;
326 return 0;
327} 314}
328 315
329/* Load a block of the first (internal) part of the firmware */ 316/* Load a block of the first (internal) part of the firmware */
@@ -504,6 +491,41 @@ exit:
504 return ret; 491 return ret;
505} 492}
506 493
494/* Report that the scan results are ready */
495static inline void at76_iwevent_scan_complete(struct net_device *netdev)
496{
497 union iwreq_data wrqu;
498 wrqu.data.length = 0;
499 wrqu.data.flags = 0;
500 wireless_send_event(netdev, SIOCGIWSCAN, &wrqu, NULL);
501 at76_dbg(DBG_WE_EVENTS, "%s: SIOCGIWSCAN sent", netdev->name);
502}
503
504static inline void at76_iwevent_bss_connect(struct net_device *netdev,
505 u8 *bssid)
506{
507 union iwreq_data wrqu;
508 wrqu.data.length = 0;
509 wrqu.data.flags = 0;
510 memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
511 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
512 wireless_send_event(netdev, SIOCGIWAP, &wrqu, NULL);
513 at76_dbg(DBG_WE_EVENTS, "%s: %s: SIOCGIWAP sent", netdev->name,
514 __func__);
515}
516
517static inline void at76_iwevent_bss_disconnect(struct net_device *netdev)
518{
519 union iwreq_data wrqu;
520 wrqu.data.length = 0;
521 wrqu.data.flags = 0;
522 memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
523 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
524 wireless_send_event(netdev, SIOCGIWAP, &wrqu, NULL);
525 at76_dbg(DBG_WE_EVENTS, "%s: %s: SIOCGIWAP sent", netdev->name,
526 __func__);
527}
528
507#define HEX2STR_BUFFERS 4 529#define HEX2STR_BUFFERS 4
508#define HEX2STR_MAX_LEN 64 530#define HEX2STR_MAX_LEN 64
509#define BIN2HEX(x) ((x) < 10 ? '0' + (x) : (x) + 'A' - 10) 531#define BIN2HEX(x) ((x) < 10 ? '0' + (x) : (x) + 'A' - 10)
@@ -575,6 +597,37 @@ static void at76_ledtrig_tx_activity(void)
575 mod_timer(&ledtrig_tx_timer, jiffies + HZ / 4); 597 mod_timer(&ledtrig_tx_timer, jiffies + HZ / 4);
576} 598}
577 599
600/* Check if the given ssid is hidden */
601static inline int at76_is_hidden_ssid(u8 *ssid, int length)
602{
603 static const u8 zeros[32];
604
605 if (length == 0)
606 return 1;
607
608 if (length == 1 && ssid[0] == ' ')
609 return 1;
610
611 return (memcmp(ssid, zeros, length) == 0);
612}
613
614static inline void at76_free_bss_list(struct at76_priv *priv)
615{
616 struct list_head *next, *ptr;
617 unsigned long flags;
618
619 spin_lock_irqsave(&priv->bss_list_spinlock, flags);
620
621 priv->curr_bss = NULL;
622
623 list_for_each_safe(ptr, next, &priv->bss_list) {
624 list_del(ptr);
625 kfree(list_entry(ptr, struct bss_info, list));
626 }
627
628 spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
629}
630
578static int at76_remap(struct usb_device *udev) 631static int at76_remap(struct usb_device *udev)
579{ 632{
580 int ret; 633 int ret;
@@ -598,7 +651,7 @@ static int at76_get_op_mode(struct usb_device *udev)
598 return -ENOMEM; 651 return -ENOMEM;
599 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x33, 652 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x33,
600 USB_TYPE_VENDOR | USB_DIR_IN | 653 USB_TYPE_VENDOR | USB_DIR_IN |
601 USB_RECIP_INTERFACE, 0x01, 0, &op_mode, 1, 654 USB_RECIP_INTERFACE, 0x01, 0, op_mode, 1,
602 USB_CTRL_GET_TIMEOUT); 655 USB_CTRL_GET_TIMEOUT);
603 saved = *op_mode; 656 saved = *op_mode;
604 kfree(op_mode); 657 kfree(op_mode);
@@ -676,7 +729,7 @@ exit:
676 kfree(hwcfg); 729 kfree(hwcfg);
677 if (ret < 0) 730 if (ret < 0)
678 printk(KERN_ERR "%s: cannot get HW Config (error %d)\n", 731 printk(KERN_ERR "%s: cannot get HW Config (error %d)\n",
679 wiphy_name(priv->hw->wiphy), ret); 732 priv->netdev->name, ret);
680 733
681 return ret; 734 return ret;
682} 735}
@@ -685,15 +738,15 @@ static struct reg_domain const *at76_get_reg_domain(u16 code)
685{ 738{
686 int i; 739 int i;
687 static struct reg_domain const fd_tab[] = { 740 static struct reg_domain const fd_tab[] = {
688 { 0x10, "FCC (USA)", 0x7ff }, /* ch 1-11 */ 741 {0x10, "FCC (USA)", 0x7ff}, /* ch 1-11 */
689 { 0x20, "IC (Canada)", 0x7ff }, /* ch 1-11 */ 742 {0x20, "IC (Canada)", 0x7ff}, /* ch 1-11 */
690 { 0x30, "ETSI (most of Europe)", 0x1fff }, /* ch 1-13 */ 743 {0x30, "ETSI (most of Europe)", 0x1fff}, /* ch 1-13 */
691 { 0x31, "Spain", 0x600 }, /* ch 10-11 */ 744 {0x31, "Spain", 0x600}, /* ch 10-11 */
692 { 0x32, "France", 0x1e00 }, /* ch 10-13 */ 745 {0x32, "France", 0x1e00}, /* ch 10-13 */
693 { 0x40, "MKK (Japan)", 0x2000 }, /* ch 14 */ 746 {0x40, "MKK (Japan)", 0x2000}, /* ch 14 */
694 { 0x41, "MKK1 (Japan)", 0x3fff }, /* ch 1-14 */ 747 {0x41, "MKK1 (Japan)", 0x3fff}, /* ch 1-14 */
695 { 0x50, "Israel", 0x3fc }, /* ch 3-9 */ 748 {0x50, "Israel", 0x3fc}, /* ch 3-9 */
696 { 0x00, "<unknown>", 0xffffffff } /* ch 1-32 */ 749 {0x00, "<unknown>", 0xffffffff} /* ch 1-32 */
697 }; 750 };
698 751
699 /* Last entry is fallback for unknown domain code */ 752 /* Last entry is fallback for unknown domain code */
@@ -731,7 +784,7 @@ static inline int at76_get_cmd_status(struct usb_device *udev, u8 cmd)
731 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x22, 784 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x22,
732 USB_TYPE_VENDOR | USB_DIR_IN | 785 USB_TYPE_VENDOR | USB_DIR_IN |
733 USB_RECIP_INTERFACE, cmd, 0, stat_buf, 786 USB_RECIP_INTERFACE, cmd, 0, stat_buf,
734 sizeof(stat_buf), USB_CTRL_GET_TIMEOUT); 787 40, USB_CTRL_GET_TIMEOUT);
735 if (ret >= 0) 788 if (ret >= 0)
736 ret = stat_buf[5]; 789 ret = stat_buf[5];
737 kfree(stat_buf); 790 kfree(stat_buf);
@@ -739,24 +792,6 @@ static inline int at76_get_cmd_status(struct usb_device *udev, u8 cmd)
739 return ret; 792 return ret;
740} 793}
741 794
742#define MAKE_CMD_CASE(c) case (c): return #c
743
744static const char *at76_get_cmd_string(u8 cmd_status)
745{
746 switch (cmd_status) {
747 MAKE_CMD_CASE(CMD_SET_MIB);
748 MAKE_CMD_CASE(CMD_GET_MIB);
749 MAKE_CMD_CASE(CMD_SCAN);
750 MAKE_CMD_CASE(CMD_JOIN);
751 MAKE_CMD_CASE(CMD_START_IBSS);
752 MAKE_CMD_CASE(CMD_RADIO_ON);
753 MAKE_CMD_CASE(CMD_RADIO_OFF);
754 MAKE_CMD_CASE(CMD_STARTUP);
755 }
756
757 return "UNKNOWN";
758}
759
760static int at76_set_card_command(struct usb_device *udev, u8 cmd, void *buf, 795static int at76_set_card_command(struct usb_device *udev, u8 cmd, void *buf,
761 int buf_size) 796 int buf_size)
762{ 797{
@@ -772,10 +807,6 @@ static int at76_set_card_command(struct usb_device *udev, u8 cmd, void *buf,
772 cmd_buf->size = cpu_to_le16(buf_size); 807 cmd_buf->size = cpu_to_le16(buf_size);
773 memcpy(cmd_buf->data, buf, buf_size); 808 memcpy(cmd_buf->data, buf, buf_size);
774 809
775 at76_dbg_dump(DBG_CMD, cmd_buf, sizeof(struct at76_command) + buf_size,
776 "issuing command %s (0x%02x)",
777 at76_get_cmd_string(cmd), cmd);
778
779 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x0e, 810 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x0e,
780 USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE, 811 USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE,
781 0, 0, cmd_buf, 812 0, 0, cmd_buf,
@@ -813,13 +844,13 @@ static int at76_wait_completion(struct at76_priv *priv, int cmd)
813 status = at76_get_cmd_status(priv->udev, cmd); 844 status = at76_get_cmd_status(priv->udev, cmd);
814 if (status < 0) { 845 if (status < 0) {
815 printk(KERN_ERR "%s: at76_get_cmd_status failed: %d\n", 846 printk(KERN_ERR "%s: at76_get_cmd_status failed: %d\n",
816 wiphy_name(priv->hw->wiphy), status); 847 priv->netdev->name, status);
817 break; 848 break;
818 } 849 }
819 850
820 at76_dbg(DBG_WAIT_COMPLETE, 851 at76_dbg(DBG_WAIT_COMPLETE,
821 "%s: Waiting on cmd %d, status = %d (%s)", 852 "%s: Waiting on cmd %d, status = %d (%s)",
822 wiphy_name(priv->hw->wiphy), cmd, status, 853 priv->netdev->name, cmd, status,
823 at76_get_cmd_status_string(status)); 854 at76_get_cmd_status_string(status));
824 855
825 if (status != CMD_STATUS_IN_PROGRESS 856 if (status != CMD_STATUS_IN_PROGRESS
@@ -830,7 +861,7 @@ static int at76_wait_completion(struct at76_priv *priv, int cmd)
830 if (time_after(jiffies, timeout)) { 861 if (time_after(jiffies, timeout)) {
831 printk(KERN_ERR 862 printk(KERN_ERR
832 "%s: completion timeout for command %d\n", 863 "%s: completion timeout for command %d\n",
833 wiphy_name(priv->hw->wiphy), cmd); 864 priv->netdev->name, cmd);
834 status = -ETIMEDOUT; 865 status = -ETIMEDOUT;
835 break; 866 break;
836 } 867 }
@@ -853,7 +884,7 @@ static int at76_set_mib(struct at76_priv *priv, struct set_mib_buffer *buf)
853 if (ret != CMD_STATUS_COMPLETE) { 884 if (ret != CMD_STATUS_COMPLETE) {
854 printk(KERN_INFO 885 printk(KERN_INFO
855 "%s: set_mib: at76_wait_completion failed " 886 "%s: set_mib: at76_wait_completion failed "
856 "with %d\n", wiphy_name(priv->hw->wiphy), ret); 887 "with %d\n", priv->netdev->name, ret);
857 ret = -EIO; 888 ret = -EIO;
858 } 889 }
859 890
@@ -874,7 +905,7 @@ static int at76_set_radio(struct at76_priv *priv, int enable)
874 ret = at76_set_card_command(priv->udev, cmd, NULL, 0); 905 ret = at76_set_card_command(priv->udev, cmd, NULL, 0);
875 if (ret < 0) 906 if (ret < 0)
876 printk(KERN_ERR "%s: at76_set_card_command(%d) failed: %d\n", 907 printk(KERN_ERR "%s: at76_set_card_command(%d) failed: %d\n",
877 wiphy_name(priv->hw->wiphy), cmd, ret); 908 priv->netdev->name, cmd, ret);
878 else 909 else
879 ret = 1; 910 ret = 1;
880 911
@@ -895,7 +926,44 @@ static int at76_set_pm_mode(struct at76_priv *priv)
895 ret = at76_set_mib(priv, &priv->mib_buf); 926 ret = at76_set_mib(priv, &priv->mib_buf);
896 if (ret < 0) 927 if (ret < 0)
897 printk(KERN_ERR "%s: set_mib (pm_mode) failed: %d\n", 928 printk(KERN_ERR "%s: set_mib (pm_mode) failed: %d\n",
898 wiphy_name(priv->hw->wiphy), ret); 929 priv->netdev->name, ret);
930
931 return ret;
932}
933
934/* Set the association id for power save mode */
935static int at76_set_associd(struct at76_priv *priv, u16 id)
936{
937 int ret = 0;
938
939 priv->mib_buf.type = MIB_MAC_MGMT;
940 priv->mib_buf.size = 2;
941 priv->mib_buf.index = offsetof(struct mib_mac_mgmt, station_id);
942 priv->mib_buf.data.word = cpu_to_le16(id);
943
944 ret = at76_set_mib(priv, &priv->mib_buf);
945 if (ret < 0)
946 printk(KERN_ERR "%s: set_mib (associd) failed: %d\n",
947 priv->netdev->name, ret);
948
949 return ret;
950}
951
952/* Set the listen interval for power save mode */
953static int at76_set_listen_interval(struct at76_priv *priv, u16 interval)
954{
955 int ret = 0;
956
957 priv->mib_buf.type = MIB_MAC;
958 priv->mib_buf.size = 2;
959 priv->mib_buf.index = offsetof(struct mib_mac, listen_interval);
960 priv->mib_buf.data.word = cpu_to_le16(interval);
961
962 ret = at76_set_mib(priv, &priv->mib_buf);
963 if (ret < 0)
964 printk(KERN_ERR
965 "%s: set_mib (listen_interval) failed: %d\n",
966 priv->netdev->name, ret);
899 967
900 return ret; 968 return ret;
901} 969}
@@ -912,7 +980,7 @@ static int at76_set_preamble(struct at76_priv *priv, u8 type)
912 ret = at76_set_mib(priv, &priv->mib_buf); 980 ret = at76_set_mib(priv, &priv->mib_buf);
913 if (ret < 0) 981 if (ret < 0)
914 printk(KERN_ERR "%s: set_mib (preamble) failed: %d\n", 982 printk(KERN_ERR "%s: set_mib (preamble) failed: %d\n",
915 wiphy_name(priv->hw->wiphy), ret); 983 priv->netdev->name, ret);
916 984
917 return ret; 985 return ret;
918} 986}
@@ -929,7 +997,7 @@ static int at76_set_frag(struct at76_priv *priv, u16 size)
929 ret = at76_set_mib(priv, &priv->mib_buf); 997 ret = at76_set_mib(priv, &priv->mib_buf);
930 if (ret < 0) 998 if (ret < 0)
931 printk(KERN_ERR "%s: set_mib (frag threshold) failed: %d\n", 999 printk(KERN_ERR "%s: set_mib (frag threshold) failed: %d\n",
932 wiphy_name(priv->hw->wiphy), ret); 1000 priv->netdev->name, ret);
933 1001
934 return ret; 1002 return ret;
935} 1003}
@@ -946,7 +1014,7 @@ static int at76_set_rts(struct at76_priv *priv, u16 size)
946 ret = at76_set_mib(priv, &priv->mib_buf); 1014 ret = at76_set_mib(priv, &priv->mib_buf);
947 if (ret < 0) 1015 if (ret < 0)
948 printk(KERN_ERR "%s: set_mib (rts) failed: %d\n", 1016 printk(KERN_ERR "%s: set_mib (rts) failed: %d\n",
949 wiphy_name(priv->hw->wiphy), ret); 1017 priv->netdev->name, ret);
950 1018
951 return ret; 1019 return ret;
952} 1020}
@@ -963,41 +1031,24 @@ static int at76_set_autorate_fallback(struct at76_priv *priv, int onoff)
963 ret = at76_set_mib(priv, &priv->mib_buf); 1031 ret = at76_set_mib(priv, &priv->mib_buf);
964 if (ret < 0) 1032 if (ret < 0)
965 printk(KERN_ERR "%s: set_mib (autorate fallback) failed: %d\n", 1033 printk(KERN_ERR "%s: set_mib (autorate fallback) failed: %d\n",
966 wiphy_name(priv->hw->wiphy), ret); 1034 priv->netdev->name, ret);
967 1035
968 return ret; 1036 return ret;
969} 1037}
970 1038
971static int at76_set_tkip_bssid(struct at76_priv *priv, const void *addr) 1039static int at76_add_mac_address(struct at76_priv *priv, void *addr)
972{ 1040{
973 int ret = 0; 1041 int ret = 0;
974 1042
975 priv->mib_buf.type = MIB_MAC_ENCRYPTION; 1043 priv->mib_buf.type = MIB_MAC_ADDR;
976 priv->mib_buf.size = ETH_ALEN; 1044 priv->mib_buf.size = ETH_ALEN;
977 priv->mib_buf.index = offsetof(struct mib_mac_encryption, tkip_bssid); 1045 priv->mib_buf.index = offsetof(struct mib_mac_addr, mac_addr);
978 memcpy(priv->mib_buf.data.addr, addr, ETH_ALEN); 1046 memcpy(priv->mib_buf.data.addr, addr, ETH_ALEN);
979 1047
980 ret = at76_set_mib(priv, &priv->mib_buf); 1048 ret = at76_set_mib(priv, &priv->mib_buf);
981 if (ret < 0) 1049 if (ret < 0)
982 printk(KERN_ERR "%s: set_mib (MAC_ENCRYPTION, tkip_bssid) failed: %d\n", 1050 printk(KERN_ERR "%s: set_mib (MAC_ADDR, mac_addr) failed: %d\n",
983 wiphy_name(priv->hw->wiphy), ret); 1051 priv->netdev->name, ret);
984
985 return ret;
986}
987
988static int at76_reset_rsc(struct at76_priv *priv)
989{
990 int ret = 0;
991
992 priv->mib_buf.type = MIB_MAC_ENCRYPTION;
993 priv->mib_buf.size = 4 * 8;
994 priv->mib_buf.index = offsetof(struct mib_mac_encryption, key_rsc);
995 memset(priv->mib_buf.data.data, 0 , priv->mib_buf.size);
996
997 ret = at76_set_mib(priv, &priv->mib_buf);
998 if (ret < 0)
999 printk(KERN_ERR "%s: set_mib (MAC_ENCRYPTION, key_rsc) failed: %d\n",
1000 wiphy_name(priv->hw->wiphy), ret);
1001 1052
1002 return ret; 1053 return ret;
1003} 1054}
@@ -1016,16 +1067,16 @@ static void at76_dump_mib_mac_addr(struct at76_priv *priv)
1016 sizeof(struct mib_mac_addr)); 1067 sizeof(struct mib_mac_addr));
1017 if (ret < 0) { 1068 if (ret < 0) {
1018 printk(KERN_ERR "%s: at76_get_mib (MAC_ADDR) failed: %d\n", 1069 printk(KERN_ERR "%s: at76_get_mib (MAC_ADDR) failed: %d\n",
1019 wiphy_name(priv->hw->wiphy), ret); 1070 priv->netdev->name, ret);
1020 goto exit; 1071 goto exit;
1021 } 1072 }
1022 1073
1023 at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: mac_addr %s res 0x%x 0x%x", 1074 at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: mac_addr %s res 0x%x 0x%x",
1024 wiphy_name(priv->hw->wiphy), 1075 priv->netdev->name,
1025 mac2str(m->mac_addr), m->res[0], m->res[1]); 1076 mac2str(m->mac_addr), m->res[0], m->res[1]);
1026 for (i = 0; i < ARRAY_SIZE(m->group_addr); i++) 1077 for (i = 0; i < ARRAY_SIZE(m->group_addr); i++)
1027 at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: group addr %d: %s, " 1078 at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: group addr %d: %s, "
1028 "status %d", wiphy_name(priv->hw->wiphy), i, 1079 "status %d", priv->netdev->name, i,
1029 mac2str(m->group_addr[i]), m->group_addr_status[i]); 1080 mac2str(m->group_addr[i]), m->group_addr_status[i]);
1030exit: 1081exit:
1031 kfree(m); 1082 kfree(m);
@@ -1045,13 +1096,13 @@ static void at76_dump_mib_mac_wep(struct at76_priv *priv)
1045 sizeof(struct mib_mac_wep)); 1096 sizeof(struct mib_mac_wep));
1046 if (ret < 0) { 1097 if (ret < 0) {
1047 printk(KERN_ERR "%s: at76_get_mib (MAC_WEP) failed: %d\n", 1098 printk(KERN_ERR "%s: at76_get_mib (MAC_WEP) failed: %d\n",
1048 wiphy_name(priv->hw->wiphy), ret); 1099 priv->netdev->name, ret);
1049 goto exit; 1100 goto exit;
1050 } 1101 }
1051 1102
1052 at76_dbg(DBG_MIB, "%s: MIB MAC_WEP: priv_invoked %u def_key_id %u " 1103 at76_dbg(DBG_MIB, "%s: MIB MAC_WEP: priv_invoked %u def_key_id %u "
1053 "key_len %u excl_unencr %u wep_icv_err %u wep_excluded %u " 1104 "key_len %u excl_unencr %u wep_icv_err %u wep_excluded %u "
1054 "encr_level %u key %d", wiphy_name(priv->hw->wiphy), 1105 "encr_level %u key %d", priv->netdev->name,
1055 m->privacy_invoked, m->wep_default_key_id, 1106 m->privacy_invoked, m->wep_default_key_id,
1056 m->wep_key_mapping_len, m->exclude_unencrypted, 1107 m->wep_key_mapping_len, m->exclude_unencrypted,
1057 le32_to_cpu(m->wep_icv_error_count), 1108 le32_to_cpu(m->wep_icv_error_count),
@@ -1063,55 +1114,12 @@ static void at76_dump_mib_mac_wep(struct at76_priv *priv)
1063 1114
1064 for (i = 0; i < WEP_KEYS; i++) 1115 for (i = 0; i < WEP_KEYS; i++)
1065 at76_dbg(DBG_MIB, "%s: MIB MAC_WEP: key %d: %s", 1116 at76_dbg(DBG_MIB, "%s: MIB MAC_WEP: key %d: %s",
1066 wiphy_name(priv->hw->wiphy), i, 1117 priv->netdev->name, i,
1067 hex2str(m->wep_default_keyvalue[i], key_len)); 1118 hex2str(m->wep_default_keyvalue[i], key_len));
1068exit: 1119exit:
1069 kfree(m); 1120 kfree(m);
1070} 1121}
1071 1122
1072static void at76_dump_mib_mac_encryption(struct at76_priv *priv)
1073{
1074 int i;
1075 int ret;
1076 /*int key_len;*/
1077 struct mib_mac_encryption *m;
1078
1079 m = kmalloc(sizeof(struct mib_mac_encryption), GFP_KERNEL);
1080 if (!m)
1081 return;
1082
1083 ret = at76_get_mib(priv->udev, MIB_MAC_ENCRYPTION, m,
1084 sizeof(struct mib_mac_encryption));
1085 if (ret < 0) {
1086 dev_err(&priv->udev->dev,
1087 "%s: at76_get_mib (MAC_ENCRYPTION) failed: %d\n",
1088 wiphy_name(priv->hw->wiphy), ret);
1089 goto exit;
1090 }
1091
1092 at76_dbg(DBG_MIB,
1093 "%s: MIB MAC_ENCRYPTION: tkip_bssid %s priv_invoked %u "
1094 "ciph_key_id %u grp_key_id %u excl_unencr %u "
1095 "ckip_key_perm %u wep_icv_err %u wep_excluded %u",
1096 wiphy_name(priv->hw->wiphy), mac2str(m->tkip_bssid),
1097 m->privacy_invoked, m->cipher_default_key_id,
1098 m->cipher_default_group_key_id, m->exclude_unencrypted,
1099 m->ckip_key_permutation,
1100 le32_to_cpu(m->wep_icv_error_count),
1101 le32_to_cpu(m->wep_excluded_count));
1102
1103 /*key_len = (m->encryption_level == 1) ?
1104 WEP_SMALL_KEY_LEN : WEP_LARGE_KEY_LEN;*/
1105
1106 for (i = 0; i < CIPHER_KEYS; i++)
1107 at76_dbg(DBG_MIB, "%s: MIB MAC_ENCRYPTION: key %d: %s",
1108 wiphy_name(priv->hw->wiphy), i,
1109 hex2str(m->cipher_default_keyvalue[i],
1110 CIPHER_KEY_LEN));
1111exit:
1112 kfree(m);
1113}
1114
1115static void at76_dump_mib_mac_mgmt(struct at76_priv *priv) 1123static void at76_dump_mib_mac_mgmt(struct at76_priv *priv)
1116{ 1124{
1117 int ret; 1125 int ret;
@@ -1125,7 +1133,7 @@ static void at76_dump_mib_mac_mgmt(struct at76_priv *priv)
1125 sizeof(struct mib_mac_mgmt)); 1133 sizeof(struct mib_mac_mgmt));
1126 if (ret < 0) { 1134 if (ret < 0) {
1127 printk(KERN_ERR "%s: at76_get_mib (MAC_MGMT) failed: %d\n", 1135 printk(KERN_ERR "%s: at76_get_mib (MAC_MGMT) failed: %d\n",
1128 wiphy_name(priv->hw->wiphy), ret); 1136 priv->netdev->name, ret);
1129 goto exit; 1137 goto exit;
1130 } 1138 }
1131 1139
@@ -1136,7 +1144,7 @@ static void at76_dump_mib_mac_mgmt(struct at76_priv *priv)
1136 "pm_mode %d ibss_change %d res %d " 1144 "pm_mode %d ibss_change %d res %d "
1137 "multi_domain_capability_implemented %d " 1145 "multi_domain_capability_implemented %d "
1138 "international_roaming %d country_string %.3s", 1146 "international_roaming %d country_string %.3s",
1139 wiphy_name(priv->hw->wiphy), le16_to_cpu(m->beacon_period), 1147 priv->netdev->name, le16_to_cpu(m->beacon_period),
1140 le16_to_cpu(m->CFP_max_duration), 1148 le16_to_cpu(m->CFP_max_duration),
1141 le16_to_cpu(m->medium_occupancy_limit), 1149 le16_to_cpu(m->medium_occupancy_limit),
1142 le16_to_cpu(m->station_id), le16_to_cpu(m->ATIM_window), 1150 le16_to_cpu(m->station_id), le16_to_cpu(m->ATIM_window),
@@ -1161,7 +1169,7 @@ static void at76_dump_mib_mac(struct at76_priv *priv)
1161 ret = at76_get_mib(priv->udev, MIB_MAC, m, sizeof(struct mib_mac)); 1169 ret = at76_get_mib(priv->udev, MIB_MAC, m, sizeof(struct mib_mac));
1162 if (ret < 0) { 1170 if (ret < 0) {
1163 printk(KERN_ERR "%s: at76_get_mib (MAC) failed: %d\n", 1171 printk(KERN_ERR "%s: at76_get_mib (MAC) failed: %d\n",
1164 wiphy_name(priv->hw->wiphy), ret); 1172 priv->netdev->name, ret);
1165 goto exit; 1173 goto exit;
1166 } 1174 }
1167 1175
@@ -1171,8 +1179,7 @@ static void at76_dump_mib_mac(struct at76_priv *priv)
1171 "scan_type %d scan_channel %d probe_delay %u " 1179 "scan_type %d scan_channel %d probe_delay %u "
1172 "min_channel_time %d max_channel_time %d listen_int %d " 1180 "min_channel_time %d max_channel_time %d listen_int %d "
1173 "desired_ssid %s desired_bssid %s desired_bsstype %d", 1181 "desired_ssid %s desired_bssid %s desired_bsstype %d",
1174 wiphy_name(priv->hw->wiphy), 1182 priv->netdev->name, le32_to_cpu(m->max_tx_msdu_lifetime),
1175 le32_to_cpu(m->max_tx_msdu_lifetime),
1176 le32_to_cpu(m->max_rx_lifetime), 1183 le32_to_cpu(m->max_rx_lifetime),
1177 le16_to_cpu(m->frag_threshold), le16_to_cpu(m->rts_threshold), 1184 le16_to_cpu(m->frag_threshold), le16_to_cpu(m->rts_threshold),
1178 le16_to_cpu(m->cwmin), le16_to_cpu(m->cwmax), 1185 le16_to_cpu(m->cwmin), le16_to_cpu(m->cwmax),
@@ -1198,7 +1205,7 @@ static void at76_dump_mib_phy(struct at76_priv *priv)
1198 ret = at76_get_mib(priv->udev, MIB_PHY, m, sizeof(struct mib_phy)); 1205 ret = at76_get_mib(priv->udev, MIB_PHY, m, sizeof(struct mib_phy));
1199 if (ret < 0) { 1206 if (ret < 0) {
1200 printk(KERN_ERR "%s: at76_get_mib (PHY) failed: %d\n", 1207 printk(KERN_ERR "%s: at76_get_mib (PHY) failed: %d\n",
1201 wiphy_name(priv->hw->wiphy), ret); 1208 priv->netdev->name, ret);
1202 goto exit; 1209 goto exit;
1203 } 1210 }
1204 1211
@@ -1207,7 +1214,7 @@ static void at76_dump_mib_phy(struct at76_priv *priv)
1207 "mpdu_max_length %d cca_mode_supported %d operation_rate_set " 1214 "mpdu_max_length %d cca_mode_supported %d operation_rate_set "
1208 "0x%x 0x%x 0x%x 0x%x channel_id %d current_cca_mode %d " 1215 "0x%x 0x%x 0x%x 0x%x channel_id %d current_cca_mode %d "
1209 "phy_type %d current_reg_domain %d", 1216 "phy_type %d current_reg_domain %d",
1210 wiphy_name(priv->hw->wiphy), le32_to_cpu(m->ed_threshold), 1217 priv->netdev->name, le32_to_cpu(m->ed_threshold),
1211 le16_to_cpu(m->slot_time), le16_to_cpu(m->sifs_time), 1218 le16_to_cpu(m->slot_time), le16_to_cpu(m->sifs_time),
1212 le16_to_cpu(m->preamble_length), 1219 le16_to_cpu(m->preamble_length),
1213 le16_to_cpu(m->plcp_header_length), 1220 le16_to_cpu(m->plcp_header_length),
@@ -1231,14 +1238,13 @@ static void at76_dump_mib_local(struct at76_priv *priv)
1231 ret = at76_get_mib(priv->udev, MIB_LOCAL, m, sizeof(struct mib_local)); 1238 ret = at76_get_mib(priv->udev, MIB_LOCAL, m, sizeof(struct mib_local));
1232 if (ret < 0) { 1239 if (ret < 0) {
1233 printk(KERN_ERR "%s: at76_get_mib (LOCAL) failed: %d\n", 1240 printk(KERN_ERR "%s: at76_get_mib (LOCAL) failed: %d\n",
1234 wiphy_name(priv->hw->wiphy), ret); 1241 priv->netdev->name, ret);
1235 goto exit; 1242 goto exit;
1236 } 1243 }
1237 1244
1238 at76_dbg(DBG_MIB, "%s: MIB LOCAL: beacon_enable %d " 1245 at76_dbg(DBG_MIB, "%s: MIB LOCAL: beacon_enable %d "
1239 "txautorate_fallback %d ssid_size %d promiscuous_mode %d " 1246 "txautorate_fallback %d ssid_size %d promiscuous_mode %d "
1240 "preamble_type %d", wiphy_name(priv->hw->wiphy), 1247 "preamble_type %d", priv->netdev->name, m->beacon_enable,
1241 m->beacon_enable,
1242 m->txautorate_fallback, m->ssid_size, m->promiscuous_mode, 1248 m->txautorate_fallback, m->ssid_size, m->promiscuous_mode,
1243 m->preamble_type); 1249 m->preamble_type);
1244exit: 1250exit:
@@ -1257,21 +1263,118 @@ static void at76_dump_mib_mdomain(struct at76_priv *priv)
1257 sizeof(struct mib_mdomain)); 1263 sizeof(struct mib_mdomain));
1258 if (ret < 0) { 1264 if (ret < 0) {
1259 printk(KERN_ERR "%s: at76_get_mib (MDOMAIN) failed: %d\n", 1265 printk(KERN_ERR "%s: at76_get_mib (MDOMAIN) failed: %d\n",
1260 wiphy_name(priv->hw->wiphy), ret); 1266 priv->netdev->name, ret);
1261 goto exit; 1267 goto exit;
1262 } 1268 }
1263 1269
1264 at76_dbg(DBG_MIB, "%s: MIB MDOMAIN: channel_list %s", 1270 at76_dbg(DBG_MIB, "%s: MIB MDOMAIN: channel_list %s",
1265 wiphy_name(priv->hw->wiphy), 1271 priv->netdev->name,
1266 hex2str(m->channel_list, sizeof(m->channel_list))); 1272 hex2str(m->channel_list, sizeof(m->channel_list)));
1267 1273
1268 at76_dbg(DBG_MIB, "%s: MIB MDOMAIN: tx_powerlevel %s", 1274 at76_dbg(DBG_MIB, "%s: MIB MDOMAIN: tx_powerlevel %s",
1269 wiphy_name(priv->hw->wiphy), 1275 priv->netdev->name,
1270 hex2str(m->tx_powerlevel, sizeof(m->tx_powerlevel))); 1276 hex2str(m->tx_powerlevel, sizeof(m->tx_powerlevel)));
1271exit: 1277exit:
1272 kfree(m); 1278 kfree(m);
1273} 1279}
1274 1280
1281static int at76_get_current_bssid(struct at76_priv *priv)
1282{
1283 int ret = 0;
1284 struct mib_mac_mgmt *mac_mgmt =
1285 kmalloc(sizeof(struct mib_mac_mgmt), GFP_KERNEL);
1286
1287 if (!mac_mgmt) {
1288 ret = -ENOMEM;
1289 goto exit;
1290 }
1291
1292 ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, mac_mgmt,
1293 sizeof(struct mib_mac_mgmt));
1294 if (ret < 0) {
1295 printk(KERN_ERR "%s: at76_get_mib failed: %d\n",
1296 priv->netdev->name, ret);
1297 goto error;
1298 }
1299 memcpy(priv->bssid, mac_mgmt->current_bssid, ETH_ALEN);
1300 printk(KERN_INFO "%s: using BSSID %s\n", priv->netdev->name,
1301 mac2str(priv->bssid));
1302error:
1303 kfree(mac_mgmt);
1304exit:
1305 return ret;
1306}
1307
1308static int at76_get_current_channel(struct at76_priv *priv)
1309{
1310 int ret = 0;
1311 struct mib_phy *phy = kmalloc(sizeof(struct mib_phy), GFP_KERNEL);
1312
1313 if (!phy) {
1314 ret = -ENOMEM;
1315 goto exit;
1316 }
1317 ret = at76_get_mib(priv->udev, MIB_PHY, phy, sizeof(struct mib_phy));
1318 if (ret < 0) {
1319 printk(KERN_ERR "%s: at76_get_mib(MIB_PHY) failed: %d\n",
1320 priv->netdev->name, ret);
1321 goto error;
1322 }
1323 priv->channel = phy->channel_id;
1324error:
1325 kfree(phy);
1326exit:
1327 return ret;
1328}
1329
1330/**
1331 * at76_start_scan - start a scan
1332 *
1333 * @use_essid - use the configured ESSID in non passive mode
1334 */
1335static int at76_start_scan(struct at76_priv *priv, int use_essid)
1336{
1337 struct at76_req_scan scan;
1338
1339 memset(&scan, 0, sizeof(struct at76_req_scan));
1340 memset(scan.bssid, 0xff, ETH_ALEN);
1341
1342 if (use_essid) {
1343 memcpy(scan.essid, priv->essid, IW_ESSID_MAX_SIZE);
1344 scan.essid_size = priv->essid_size;
1345 } else
1346 scan.essid_size = 0;
1347
1348 /* jal: why should we start at a certain channel? we do scan the whole
1349 range allowed by reg domain. */
1350 scan.channel = priv->channel;
1351
1352 /* atmelwlandriver differs between scan type 0 and 1 (active/passive)
1353 For ad-hoc mode, it uses type 0 only. */
1354 scan.scan_type = priv->scan_mode;
1355
1356 /* INFO: For probe_delay, not multiplying by 1024 as this will be
1357 slightly less than min_channel_time
1358 (per spec: probe delay < min. channel time) */
1359 scan.min_channel_time = cpu_to_le16(priv->scan_min_time);
1360 scan.max_channel_time = cpu_to_le16(priv->scan_max_time);
1361 scan.probe_delay = cpu_to_le16(priv->scan_min_time * 1000);
1362 scan.international_scan = 0;
1363
1364 /* other values are set to 0 for type 0 */
1365
1366 at76_dbg(DBG_PROGRESS, "%s: start_scan (use_essid = %d, intl = %d, "
1367 "channel = %d, probe_delay = %d, scan_min_time = %d, "
1368 "scan_max_time = %d)",
1369 priv->netdev->name, use_essid,
1370 scan.international_scan, scan.channel,
1371 le16_to_cpu(scan.probe_delay),
1372 le16_to_cpu(scan.min_channel_time),
1373 le16_to_cpu(scan.max_channel_time));
1374
1375 return at76_set_card_command(priv->udev, CMD_SCAN, &scan, sizeof(scan));
1376}
1377
1275/* Enable monitor mode */ 1378/* Enable monitor mode */
1276static int at76_start_monitor(struct at76_priv *priv) 1379static int at76_start_monitor(struct at76_priv *priv)
1277{ 1380{
@@ -1292,6 +1395,86 @@ static int at76_start_monitor(struct at76_priv *priv)
1292 return ret; 1395 return ret;
1293} 1396}
1294 1397
1398static int at76_start_ibss(struct at76_priv *priv)
1399{
1400 struct at76_req_ibss bss;
1401 int ret;
1402
1403 WARN_ON(priv->mac_state != MAC_OWN_IBSS);
1404 if (priv->mac_state != MAC_OWN_IBSS)
1405 return -EBUSY;
1406
1407 memset(&bss, 0, sizeof(struct at76_req_ibss));
1408 memset(bss.bssid, 0xff, ETH_ALEN);
1409 memcpy(bss.essid, priv->essid, IW_ESSID_MAX_SIZE);
1410 bss.essid_size = priv->essid_size;
1411 bss.bss_type = ADHOC_MODE;
1412 bss.channel = priv->channel;
1413
1414 ret = at76_set_card_command(priv->udev, CMD_START_IBSS, &bss,
1415 sizeof(struct at76_req_ibss));
1416 if (ret < 0) {
1417 printk(KERN_ERR "%s: start_ibss failed: %d\n",
1418 priv->netdev->name, ret);
1419 return ret;
1420 }
1421
1422 ret = at76_wait_completion(priv, CMD_START_IBSS);
1423 if (ret != CMD_STATUS_COMPLETE) {
1424 printk(KERN_ERR "%s: start_ibss failed to complete, %d\n",
1425 priv->netdev->name, ret);
1426 return ret;
1427 }
1428
1429 ret = at76_get_current_bssid(priv);
1430 if (ret < 0)
1431 return ret;
1432
1433 ret = at76_get_current_channel(priv);
1434 if (ret < 0)
1435 return ret;
1436
1437 /* not sure what this is good for ??? */
1438 priv->mib_buf.type = MIB_MAC_MGMT;
1439 priv->mib_buf.size = 1;
1440 priv->mib_buf.index = offsetof(struct mib_mac_mgmt, ibss_change);
1441 priv->mib_buf.data.byte = 0;
1442
1443 ret = at76_set_mib(priv, &priv->mib_buf);
1444 if (ret < 0) {
1445 printk(KERN_ERR "%s: set_mib (ibss change ok) failed: %d\n",
1446 priv->netdev->name, ret);
1447 return ret;
1448 }
1449
1450 netif_carrier_on(priv->netdev);
1451 netif_start_queue(priv->netdev);
1452 return 0;
1453}
1454
1455/* Request card to join BSS in managed or ad-hoc mode */
1456static int at76_join_bss(struct at76_priv *priv, struct bss_info *ptr)
1457{
1458 struct at76_req_join join;
1459
1460 BUG_ON(!ptr);
1461
1462 memset(&join, 0, sizeof(struct at76_req_join));
1463 memcpy(join.bssid, ptr->bssid, ETH_ALEN);
1464 memcpy(join.essid, ptr->ssid, ptr->ssid_len);
1465 join.essid_size = ptr->ssid_len;
1466 join.bss_type = (priv->iw_mode == IW_MODE_ADHOC ? 1 : 2);
1467 join.channel = ptr->channel;
1468 join.timeout = cpu_to_le16(2000);
1469
1470 at76_dbg(DBG_PROGRESS,
1471 "%s join addr %s ssid %s type %d ch %d timeout %d",
1472 priv->netdev->name, mac2str(join.bssid), join.essid,
1473 join.bss_type, join.channel, le16_to_cpu(join.timeout));
1474 return at76_set_card_command(priv->udev, CMD_JOIN, &join,
1475 sizeof(struct at76_req_join));
1476}
1477
1295/* Calculate padding from txbuf->wlength (which excludes the USB TX header), 1478/* Calculate padding from txbuf->wlength (which excludes the USB TX header),
1296 likely to compensate a flaw in the AT76C503A USB part ... */ 1479 likely to compensate a flaw in the AT76C503A USB part ... */
1297static inline int at76_calc_padding(int wlen) 1480static inline int at76_calc_padding(int wlen)
@@ -1310,6 +1493,14 @@ static inline int at76_calc_padding(int wlen)
1310 return 0; 1493 return 0;
1311} 1494}
1312 1495
1496/* We are doing a lot of things here in an interrupt. Need
1497 a bh handler (Watching TV with a TV card is probably
1498 a good test: if you see flickers, we are doing too much.
1499 Currently I do see flickers... even with our tasklet :-( )
1500 Maybe because the bttv driver and usb-uhci use the same interrupt
1501*/
1502/* Or maybe because our BH handler is preempting bttv's BH handler.. BHs don't
1503 * solve everything.. (alex) */
1313static void at76_rx_callback(struct urb *urb) 1504static void at76_rx_callback(struct urb *urb)
1314{ 1505{
1315 struct at76_priv *priv = urb->context; 1506 struct at76_priv *priv = urb->context;
@@ -1319,6 +1510,1758 @@ static void at76_rx_callback(struct urb *urb)
1319 return; 1510 return;
1320} 1511}
1321 1512
1513static void at76_tx_callback(struct urb *urb)
1514{
1515 struct at76_priv *priv = urb->context;
1516 struct net_device_stats *stats = &priv->stats;
1517 unsigned long flags;
1518 struct at76_tx_buffer *mgmt_buf;
1519 int ret;
1520
1521 switch (urb->status) {
1522 case 0:
1523 stats->tx_packets++;
1524 break;
1525 case -ENOENT:
1526 case -ECONNRESET:
1527 /* urb has been unlinked */
1528 return;
1529 default:
1530 at76_dbg(DBG_URB, "%s - nonzero tx status received: %d",
1531 __func__, urb->status);
1532 stats->tx_errors++;
1533 break;
1534 }
1535
1536 spin_lock_irqsave(&priv->mgmt_spinlock, flags);
1537 mgmt_buf = priv->next_mgmt_bulk;
1538 priv->next_mgmt_bulk = NULL;
1539 spin_unlock_irqrestore(&priv->mgmt_spinlock, flags);
1540
1541 if (!mgmt_buf) {
1542 netif_wake_queue(priv->netdev);
1543 return;
1544 }
1545
1546 /* we don't copy the padding bytes, but add them
1547 to the length */
1548 memcpy(priv->bulk_out_buffer, mgmt_buf,
1549 le16_to_cpu(mgmt_buf->wlength) + AT76_TX_HDRLEN);
1550 usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe,
1551 priv->bulk_out_buffer,
1552 le16_to_cpu(mgmt_buf->wlength) + mgmt_buf->padding +
1553 AT76_TX_HDRLEN, at76_tx_callback, priv);
1554 ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC);
1555 if (ret)
1556 printk(KERN_ERR "%s: error in tx submit urb: %d\n",
1557 priv->netdev->name, ret);
1558
1559 kfree(mgmt_buf);
1560}
1561
1562/* Send a management frame on bulk-out. txbuf->wlength must be set */
1563static int at76_tx_mgmt(struct at76_priv *priv, struct at76_tx_buffer *txbuf)
1564{
1565 unsigned long flags;
1566 int ret;
1567 int urb_status;
1568 void *oldbuf = NULL;
1569
1570 netif_carrier_off(priv->netdev); /* stop netdev watchdog */
1571 netif_stop_queue(priv->netdev); /* stop tx data packets */
1572
1573 spin_lock_irqsave(&priv->mgmt_spinlock, flags);
1574
1575 urb_status = priv->tx_urb->status;
1576 if (urb_status == -EINPROGRESS) {
1577 /* cannot transmit now, put in the queue */
1578 oldbuf = priv->next_mgmt_bulk;
1579 priv->next_mgmt_bulk = txbuf;
1580 }
1581 spin_unlock_irqrestore(&priv->mgmt_spinlock, flags);
1582
1583 if (oldbuf) {
1584 /* a data/mgmt tx is already pending in the URB -
1585 if this is no error in some situations we must
1586 implement a queue or silently modify the old msg */
1587 printk(KERN_ERR "%s: removed pending mgmt buffer %s\n",
1588 priv->netdev->name, hex2str(oldbuf, 64));
1589 kfree(oldbuf);
1590 return 0;
1591 }
1592
1593 txbuf->tx_rate = TX_RATE_1MBIT;
1594 txbuf->padding = at76_calc_padding(le16_to_cpu(txbuf->wlength));
1595 memset(txbuf->reserved, 0, sizeof(txbuf->reserved));
1596
1597 if (priv->next_mgmt_bulk)
1598 printk(KERN_ERR "%s: URB status %d, but mgmt is pending\n",
1599 priv->netdev->name, urb_status);
1600
1601 at76_dbg(DBG_TX_MGMT,
1602 "%s: tx mgmt: wlen %d tx_rate %d pad %d %s",
1603 priv->netdev->name, le16_to_cpu(txbuf->wlength),
1604 txbuf->tx_rate, txbuf->padding,
1605 hex2str(txbuf->packet, le16_to_cpu(txbuf->wlength)));
1606
1607 /* txbuf was not consumed above -> send mgmt msg immediately */
1608 memcpy(priv->bulk_out_buffer, txbuf,
1609 le16_to_cpu(txbuf->wlength) + AT76_TX_HDRLEN);
1610 usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe,
1611 priv->bulk_out_buffer,
1612 le16_to_cpu(txbuf->wlength) + txbuf->padding +
1613 AT76_TX_HDRLEN, at76_tx_callback, priv);
1614 ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC);
1615 if (ret)
1616 printk(KERN_ERR "%s: error in tx submit urb: %d\n",
1617 priv->netdev->name, ret);
1618
1619 kfree(txbuf);
1620
1621 return ret;
1622}
1623
1624/* Go to the next information element */
1625static inline void next_ie(struct ieee80211_info_element **ie)
1626{
1627 *ie = (struct ieee80211_info_element *)(&(*ie)->data[(*ie)->len]);
1628}
1629
1630/* Challenge is the challenge string (in TLV format)
1631 we got with seq_nr 2 for shared secret authentication only and
1632 send in seq_nr 3 WEP encrypted to prove we have the correct WEP key;
1633 otherwise it is NULL */
1634static int at76_auth_req(struct at76_priv *priv, struct bss_info *bss,
1635 int seq_nr, struct ieee80211_info_element *challenge)
1636{
1637 struct at76_tx_buffer *tx_buffer;
1638 struct ieee80211_hdr_3addr *mgmt;
1639 struct ieee80211_auth *req;
1640 int buf_len = (seq_nr != 3 ? AUTH_FRAME_SIZE :
1641 AUTH_FRAME_SIZE + 1 + 1 + challenge->len);
1642
1643 BUG_ON(!bss);
1644 BUG_ON(seq_nr == 3 && !challenge);
1645 tx_buffer = kmalloc(buf_len + MAX_PADDING_SIZE, GFP_ATOMIC);
1646 if (!tx_buffer)
1647 return -ENOMEM;
1648
1649 req = (struct ieee80211_auth *)tx_buffer->packet;
1650 mgmt = &req->header;
1651
1652 /* make wireless header */
1653 /* first auth msg is not encrypted, only the second (seq_nr == 3) */
1654 mgmt->frame_ctl =
1655 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH |
1656 (seq_nr == 3 ? IEEE80211_FCTL_PROTECTED : 0));
1657
1658 mgmt->duration_id = cpu_to_le16(0x8000);
1659 memcpy(mgmt->addr1, bss->bssid, ETH_ALEN);
1660 memcpy(mgmt->addr2, priv->netdev->dev_addr, ETH_ALEN);
1661 memcpy(mgmt->addr3, bss->bssid, ETH_ALEN);
1662 mgmt->seq_ctl = cpu_to_le16(0);
1663
1664 req->algorithm = cpu_to_le16(priv->auth_mode);
1665 req->transaction = cpu_to_le16(seq_nr);
1666 req->status = cpu_to_le16(0);
1667
1668 if (seq_nr == 3)
1669 memcpy(req->info_element, challenge, 1 + 1 + challenge->len);
1670
1671 /* init. at76_priv tx header */
1672 tx_buffer->wlength = cpu_to_le16(buf_len - AT76_TX_HDRLEN);
1673 at76_dbg(DBG_TX_MGMT, "%s: AuthReq bssid %s alg %d seq_nr %d",
1674 priv->netdev->name, mac2str(mgmt->addr3),
1675 le16_to_cpu(req->algorithm), le16_to_cpu(req->transaction));
1676 if (seq_nr == 3)
1677 at76_dbg(DBG_TX_MGMT, "%s: AuthReq challenge: %s ...",
1678 priv->netdev->name, hex2str(req->info_element, 18));
1679
1680 /* either send immediately (if no data tx is pending
1681 or put it in pending list */
1682 return at76_tx_mgmt(priv, tx_buffer);
1683}
1684
1685static int at76_assoc_req(struct at76_priv *priv, struct bss_info *bss)
1686{
1687 struct at76_tx_buffer *tx_buffer;
1688 struct ieee80211_hdr_3addr *mgmt;
1689 struct ieee80211_assoc_request *req;
1690 struct ieee80211_info_element *ie;
1691 char *essid;
1692 int essid_len;
1693 u16 capa;
1694
1695 BUG_ON(!bss);
1696
1697 tx_buffer = kmalloc(ASSOCREQ_MAX_SIZE + MAX_PADDING_SIZE, GFP_ATOMIC);
1698 if (!tx_buffer)
1699 return -ENOMEM;
1700
1701 req = (struct ieee80211_assoc_request *)tx_buffer->packet;
1702 mgmt = &req->header;
1703 ie = req->info_element;
1704
1705 /* make wireless header */
1706 mgmt->frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1707 IEEE80211_STYPE_ASSOC_REQ);
1708
1709 mgmt->duration_id = cpu_to_le16(0x8000);
1710 memcpy(mgmt->addr1, bss->bssid, ETH_ALEN);
1711 memcpy(mgmt->addr2, priv->netdev->dev_addr, ETH_ALEN);
1712 memcpy(mgmt->addr3, bss->bssid, ETH_ALEN);
1713 mgmt->seq_ctl = cpu_to_le16(0);
1714
1715 /* we must set the Privacy bit in the capabilities to assure an
1716 Agere-based AP with optional WEP transmits encrypted frames
1717 to us. AP only set the Privacy bit in their capabilities
1718 if WEP is mandatory in the BSS! */
1719 capa = bss->capa;
1720 if (priv->wep_enabled)
1721 capa |= WLAN_CAPABILITY_PRIVACY;
1722 if (priv->preamble_type != PREAMBLE_TYPE_LONG)
1723 capa |= WLAN_CAPABILITY_SHORT_PREAMBLE;
1724 req->capability = cpu_to_le16(capa);
1725
1726 req->listen_interval = cpu_to_le16(2 * bss->beacon_interval);
1727
1728 /* write TLV data elements */
1729
1730 ie->id = MFIE_TYPE_SSID;
1731 ie->len = bss->ssid_len;
1732 memcpy(ie->data, bss->ssid, bss->ssid_len);
1733 next_ie(&ie);
1734
1735 ie->id = MFIE_TYPE_RATES;
1736 ie->len = sizeof(hw_rates);
1737 memcpy(ie->data, hw_rates, sizeof(hw_rates));
1738 next_ie(&ie); /* ie points behind the supp_rates field */
1739
1740 /* init. at76_priv tx header */
1741 tx_buffer->wlength = cpu_to_le16((u8 *)ie - (u8 *)mgmt);
1742
1743 ie = req->info_element;
1744 essid = ie->data;
1745 essid_len = min_t(int, IW_ESSID_MAX_SIZE, ie->len);
1746
1747 next_ie(&ie); /* points to IE of rates now */
1748 at76_dbg(DBG_TX_MGMT,
1749 "%s: AssocReq bssid %s capa 0x%04x ssid %.*s rates %s",
1750 priv->netdev->name, mac2str(mgmt->addr3),
1751 le16_to_cpu(req->capability), essid_len, essid,
1752 hex2str(ie->data, ie->len));
1753
1754 /* either send immediately (if no data tx is pending
1755 or put it in pending list */
1756 return at76_tx_mgmt(priv, tx_buffer);
1757}
1758
1759/* We got to check the bss_list for old entries */
1760static void at76_bss_list_timeout(unsigned long par)
1761{
1762 struct at76_priv *priv = (struct at76_priv *)par;
1763 unsigned long flags;
1764 struct list_head *lptr, *nptr;
1765 struct bss_info *ptr;
1766
1767 spin_lock_irqsave(&priv->bss_list_spinlock, flags);
1768
1769 list_for_each_safe(lptr, nptr, &priv->bss_list) {
1770
1771 ptr = list_entry(lptr, struct bss_info, list);
1772
1773 if (ptr != priv->curr_bss
1774 && time_after(jiffies, ptr->last_rx + BSS_LIST_TIMEOUT)) {
1775 at76_dbg(DBG_BSS_TABLE_RM,
1776 "%s: bss_list: removing old BSS %s ch %d",
1777 priv->netdev->name, mac2str(ptr->bssid),
1778 ptr->channel);
1779 list_del(&ptr->list);
1780 kfree(ptr);
1781 }
1782 }
1783 spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
1784 /* restart the timer */
1785 mod_timer(&priv->bss_list_timer, jiffies + BSS_LIST_TIMEOUT);
1786}
1787
1788static inline void at76_set_mac_state(struct at76_priv *priv,
1789 enum mac_state mac_state)
1790{
1791 at76_dbg(DBG_MAC_STATE, "%s state: %s", priv->netdev->name,
1792 mac_states[mac_state]);
1793 priv->mac_state = mac_state;
1794}
1795
1796static void at76_dump_bss_table(struct at76_priv *priv)
1797{
1798 struct bss_info *ptr;
1799 unsigned long flags;
1800 struct list_head *lptr;
1801
1802 spin_lock_irqsave(&priv->bss_list_spinlock, flags);
1803
1804 at76_dbg(DBG_BSS_TABLE, "%s BSS table (curr=%p):", priv->netdev->name,
1805 priv->curr_bss);
1806
1807 list_for_each(lptr, &priv->bss_list) {
1808 ptr = list_entry(lptr, struct bss_info, list);
1809 at76_dbg(DBG_BSS_TABLE, "0x%p: bssid %s channel %d ssid %.*s "
1810 "(%s) capa 0x%04x rates %s rssi %d link %d noise %d",
1811 ptr, mac2str(ptr->bssid), ptr->channel, ptr->ssid_len,
1812 ptr->ssid, hex2str(ptr->ssid, ptr->ssid_len),
1813 ptr->capa, hex2str(ptr->rates, ptr->rates_len),
1814 ptr->rssi, ptr->link_qual, ptr->noise_level);
1815 }
1816 spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
1817}
1818
1819/* Called upon successful association to mark interface as connected */
1820static void at76_work_assoc_done(struct work_struct *work)
1821{
1822 struct at76_priv *priv = container_of(work, struct at76_priv,
1823 work_assoc_done);
1824
1825 mutex_lock(&priv->mtx);
1826
1827 WARN_ON(priv->mac_state != MAC_ASSOC);
1828 WARN_ON(!priv->curr_bss);
1829 if (priv->mac_state != MAC_ASSOC || !priv->curr_bss)
1830 goto exit;
1831
1832 if (priv->iw_mode == IW_MODE_INFRA) {
1833 if (priv->pm_mode != AT76_PM_OFF) {
1834 /* calculate the listen interval in units of
1835 beacon intervals of the curr_bss */
1836 u32 pm_period_beacon = (priv->pm_period >> 10) /
1837 priv->curr_bss->beacon_interval;
1838
1839 pm_period_beacon = max(pm_period_beacon, 2u);
1840 pm_period_beacon = min(pm_period_beacon, 0xffffu);
1841
1842 at76_dbg(DBG_PM,
1843 "%s: pm_mode %d assoc id 0x%x listen int %d",
1844 priv->netdev->name, priv->pm_mode,
1845 priv->assoc_id, pm_period_beacon);
1846
1847 at76_set_associd(priv, priv->assoc_id);
1848 at76_set_listen_interval(priv, (u16)pm_period_beacon);
1849 }
1850 schedule_delayed_work(&priv->dwork_beacon, BEACON_TIMEOUT);
1851 }
1852 at76_set_pm_mode(priv);
1853
1854 netif_carrier_on(priv->netdev);
1855 netif_wake_queue(priv->netdev);
1856 at76_set_mac_state(priv, MAC_CONNECTED);
1857 at76_iwevent_bss_connect(priv->netdev, priv->curr_bss->bssid);
1858 at76_dbg(DBG_PROGRESS, "%s: connected to BSSID %s",
1859 priv->netdev->name, mac2str(priv->curr_bss->bssid));
1860
1861exit:
1862 mutex_unlock(&priv->mtx);
1863}
1864
1865/* We only store the new mac address in netdev struct,
1866 it gets set when the netdev is opened. */
1867static int at76_set_mac_address(struct net_device *netdev, void *addr)
1868{
1869 struct sockaddr *mac = addr;
1870 memcpy(netdev->dev_addr, mac->sa_data, ETH_ALEN);
1871 return 1;
1872}
1873
1874static struct net_device_stats *at76_get_stats(struct net_device *netdev)
1875{
1876 struct at76_priv *priv = netdev_priv(netdev);
1877 return &priv->stats;
1878}
1879
1880static struct iw_statistics *at76_get_wireless_stats(struct net_device *netdev)
1881{
1882 struct at76_priv *priv = netdev_priv(netdev);
1883
1884 at76_dbg(DBG_IOCTL, "RETURN qual %d level %d noise %d updated %d",
1885 priv->wstats.qual.qual, priv->wstats.qual.level,
1886 priv->wstats.qual.noise, priv->wstats.qual.updated);
1887
1888 return &priv->wstats;
1889}
1890
1891static void at76_set_multicast(struct net_device *netdev)
1892{
1893 struct at76_priv *priv = netdev_priv(netdev);
1894 int promisc;
1895
1896 promisc = ((netdev->flags & IFF_PROMISC) != 0);
1897 if (promisc != priv->promisc) {
1898 /* This gets called in interrupt, must reschedule */
1899 priv->promisc = promisc;
1900 schedule_work(&priv->work_set_promisc);
1901 }
1902}
1903
1904/* Stop all network activity, flush all pending tasks */
1905static void at76_quiesce(struct at76_priv *priv)
1906{
1907 unsigned long flags;
1908
1909 netif_stop_queue(priv->netdev);
1910 netif_carrier_off(priv->netdev);
1911
1912 at76_set_mac_state(priv, MAC_INIT);
1913
1914 cancel_delayed_work(&priv->dwork_get_scan);
1915 cancel_delayed_work(&priv->dwork_beacon);
1916 cancel_delayed_work(&priv->dwork_auth);
1917 cancel_delayed_work(&priv->dwork_assoc);
1918 cancel_delayed_work(&priv->dwork_restart);
1919
1920 spin_lock_irqsave(&priv->mgmt_spinlock, flags);
1921 kfree(priv->next_mgmt_bulk);
1922 priv->next_mgmt_bulk = NULL;
1923 spin_unlock_irqrestore(&priv->mgmt_spinlock, flags);
1924}
1925
1926/*******************************************************************************
1927 * at76_priv implementations of iw_handler functions:
1928 */
1929static int at76_iw_handler_commit(struct net_device *netdev,
1930 struct iw_request_info *info,
1931 void *null, char *extra)
1932{
1933 struct at76_priv *priv = netdev_priv(netdev);
1934
1935 at76_dbg(DBG_IOCTL, "%s %s: restarting the device", netdev->name,
1936 __func__);
1937
1938 if (priv->mac_state != MAC_INIT)
1939 at76_quiesce(priv);
1940
1941 /* Wait half second before the restart to process subsequent
1942 * requests from the same iwconfig in a single restart */
1943 schedule_delayed_work(&priv->dwork_restart, HZ / 2);
1944
1945 return 0;
1946}
1947
1948static int at76_iw_handler_get_name(struct net_device *netdev,
1949 struct iw_request_info *info,
1950 char *name, char *extra)
1951{
1952 strcpy(name, "IEEE 802.11b");
1953 at76_dbg(DBG_IOCTL, "%s: SIOCGIWNAME - name %s", netdev->name, name);
1954 return 0;
1955}
1956
1957static int at76_iw_handler_set_freq(struct net_device *netdev,
1958 struct iw_request_info *info,
1959 struct iw_freq *freq, char *extra)
1960{
1961 struct at76_priv *priv = netdev_priv(netdev);
1962 int chan = -1;
1963 int ret = -EIWCOMMIT;
1964 at76_dbg(DBG_IOCTL, "%s: SIOCSIWFREQ - freq.m %d freq.e %d",
1965 netdev->name, freq->m, freq->e);
1966
1967 if ((freq->e == 0) && (freq->m <= 1000))
1968 /* Setting by channel number */
1969 chan = freq->m;
1970 else {
1971 /* Setting by frequency - search the table */
1972 int mult = 1;
1973 int i;
1974
1975 for (i = 0; i < (6 - freq->e); i++)
1976 mult *= 10;
1977
1978 for (i = 0; i < NUM_CHANNELS; i++) {
1979 if (freq->m == (channel_frequency[i] * mult))
1980 chan = i + 1;
1981 }
1982 }
1983
1984 if (chan < 1 || !priv->domain)
1985 /* non-positive channels are invalid
1986 * we need a domain info to set the channel
1987 * either that or an invalid frequency was
1988 * provided by the user */
1989 ret = -EINVAL;
1990 else if (!(priv->domain->channel_map & (1 << (chan - 1)))) {
1991 printk(KERN_INFO "%s: channel %d not allowed for domain %s\n",
1992 priv->netdev->name, chan, priv->domain->name);
1993 ret = -EINVAL;
1994 }
1995
1996 if (ret == -EIWCOMMIT) {
1997 priv->channel = chan;
1998 at76_dbg(DBG_IOCTL, "%s: SIOCSIWFREQ - ch %d", netdev->name,
1999 chan);
2000 }
2001
2002 return ret;
2003}
2004
2005static int at76_iw_handler_get_freq(struct net_device *netdev,
2006 struct iw_request_info *info,
2007 struct iw_freq *freq, char *extra)
2008{
2009 struct at76_priv *priv = netdev_priv(netdev);
2010
2011 freq->m = priv->channel;
2012 freq->e = 0;
2013
2014 if (priv->channel)
2015 at76_dbg(DBG_IOCTL, "%s: SIOCGIWFREQ - freq %ld x 10e%d",
2016 netdev->name, channel_frequency[priv->channel - 1], 6);
2017
2018 at76_dbg(DBG_IOCTL, "%s: SIOCGIWFREQ - ch %d", netdev->name,
2019 priv->channel);
2020
2021 return 0;
2022}
2023
2024static int at76_iw_handler_set_mode(struct net_device *netdev,
2025 struct iw_request_info *info,
2026 __u32 *mode, char *extra)
2027{
2028 struct at76_priv *priv = netdev_priv(netdev);
2029
2030 at76_dbg(DBG_IOCTL, "%s: SIOCSIWMODE - %d", netdev->name, *mode);
2031
2032 if ((*mode != IW_MODE_ADHOC) && (*mode != IW_MODE_INFRA) &&
2033 (*mode != IW_MODE_MONITOR))
2034 return -EINVAL;
2035
2036 priv->iw_mode = *mode;
2037 if (priv->iw_mode != IW_MODE_INFRA)
2038 priv->pm_mode = AT76_PM_OFF;
2039
2040 return -EIWCOMMIT;
2041}
2042
2043static int at76_iw_handler_get_mode(struct net_device *netdev,
2044 struct iw_request_info *info,
2045 __u32 *mode, char *extra)
2046{
2047 struct at76_priv *priv = netdev_priv(netdev);
2048
2049 *mode = priv->iw_mode;
2050
2051 at76_dbg(DBG_IOCTL, "%s: SIOCGIWMODE - %d", netdev->name, *mode);
2052
2053 return 0;
2054}
2055
2056static int at76_iw_handler_get_range(struct net_device *netdev,
2057 struct iw_request_info *info,
2058 struct iw_point *data, char *extra)
2059{
2060 /* inspired by atmel.c */
2061 struct at76_priv *priv = netdev_priv(netdev);
2062 struct iw_range *range = (struct iw_range *)extra;
2063 int i;
2064
2065 data->length = sizeof(struct iw_range);
2066 memset(range, 0, sizeof(struct iw_range));
2067
2068 /* TODO: range->throughput = xxxxxx; */
2069
2070 range->min_nwid = 0x0000;
2071 range->max_nwid = 0x0000;
2072
2073 /* this driver doesn't maintain sensitivity information */
2074 range->sensitivity = 0;
2075
2076 range->max_qual.qual = 100;
2077 range->max_qual.level = 100;
2078 range->max_qual.noise = 0;
2079 range->max_qual.updated = IW_QUAL_NOISE_INVALID;
2080
2081 range->avg_qual.qual = 50;
2082 range->avg_qual.level = 50;
2083 range->avg_qual.noise = 0;
2084 range->avg_qual.updated = IW_QUAL_NOISE_INVALID;
2085
2086 range->bitrate[0] = 1000000;
2087 range->bitrate[1] = 2000000;
2088 range->bitrate[2] = 5500000;
2089 range->bitrate[3] = 11000000;
2090 range->num_bitrates = 4;
2091
2092 range->min_rts = 0;
2093 range->max_rts = MAX_RTS_THRESHOLD;
2094
2095 range->min_frag = MIN_FRAG_THRESHOLD;
2096 range->max_frag = MAX_FRAG_THRESHOLD;
2097
2098 range->pmp_flags = IW_POWER_PERIOD;
2099 range->pmt_flags = IW_POWER_ON;
2100 range->pm_capa = IW_POWER_PERIOD | IW_POWER_ALL_R;
2101
2102 range->encoding_size[0] = WEP_SMALL_KEY_LEN;
2103 range->encoding_size[1] = WEP_LARGE_KEY_LEN;
2104 range->num_encoding_sizes = 2;
2105 range->max_encoding_tokens = WEP_KEYS;
2106
2107 /* both WL-240U and Linksys WUSB11 v2.6 specify 15 dBm as output power
2108 - take this for all (ignore antenna gains) */
2109 range->txpower[0] = 15;
2110 range->num_txpower = 1;
2111 range->txpower_capa = IW_TXPOW_DBM;
2112
2113 range->we_version_source = WIRELESS_EXT;
2114 range->we_version_compiled = WIRELESS_EXT;
2115
2116 /* same as the values used in atmel.c */
2117 range->retry_capa = IW_RETRY_LIMIT;
2118 range->retry_flags = IW_RETRY_LIMIT;
2119 range->r_time_flags = 0;
2120 range->min_retry = 1;
2121 range->max_retry = 255;
2122
2123 range->num_channels = NUM_CHANNELS;
2124 range->num_frequency = 0;
2125
2126 for (i = 0; i < NUM_CHANNELS; i++) {
2127 /* test if channel map bit is raised */
2128 if (priv->domain->channel_map & (0x1 << i)) {
2129 range->num_frequency += 1;
2130
2131 range->freq[i].i = i + 1;
2132 range->freq[i].m = channel_frequency[i] * 100000;
2133 range->freq[i].e = 1; /* freq * 10^1 */
2134 }
2135 }
2136
2137 at76_dbg(DBG_IOCTL, "%s: SIOCGIWRANGE", netdev->name);
2138
2139 return 0;
2140}
2141
2142static int at76_iw_handler_set_spy(struct net_device *netdev,
2143 struct iw_request_info *info,
2144 struct iw_point *data, char *extra)
2145{
2146 struct at76_priv *priv = netdev_priv(netdev);
2147 int ret = 0;
2148
2149 at76_dbg(DBG_IOCTL, "%s: SIOCSIWSPY - number of addresses %d",
2150 netdev->name, data->length);
2151
2152 spin_lock_bh(&priv->spy_spinlock);
2153 ret = iw_handler_set_spy(priv->netdev, info, (union iwreq_data *)data,
2154 extra);
2155 spin_unlock_bh(&priv->spy_spinlock);
2156
2157 return ret;
2158}
2159
2160static int at76_iw_handler_get_spy(struct net_device *netdev,
2161 struct iw_request_info *info,
2162 struct iw_point *data, char *extra)
2163{
2164
2165 struct at76_priv *priv = netdev_priv(netdev);
2166 int ret = 0;
2167
2168 spin_lock_bh(&priv->spy_spinlock);
2169 ret = iw_handler_get_spy(priv->netdev, info,
2170 (union iwreq_data *)data, extra);
2171 spin_unlock_bh(&priv->spy_spinlock);
2172
2173 at76_dbg(DBG_IOCTL, "%s: SIOCGIWSPY - number of addresses %d",
2174 netdev->name, data->length);
2175
2176 return ret;
2177}
2178
2179static int at76_iw_handler_set_thrspy(struct net_device *netdev,
2180 struct iw_request_info *info,
2181 struct iw_point *data, char *extra)
2182{
2183 struct at76_priv *priv = netdev_priv(netdev);
2184 int ret;
2185
2186 at76_dbg(DBG_IOCTL, "%s: SIOCSIWTHRSPY - number of addresses %d)",
2187 netdev->name, data->length);
2188
2189 spin_lock_bh(&priv->spy_spinlock);
2190 ret = iw_handler_set_thrspy(netdev, info, (union iwreq_data *)data,
2191 extra);
2192 spin_unlock_bh(&priv->spy_spinlock);
2193
2194 return ret;
2195}
2196
2197static int at76_iw_handler_get_thrspy(struct net_device *netdev,
2198 struct iw_request_info *info,
2199 struct iw_point *data, char *extra)
2200{
2201 struct at76_priv *priv = netdev_priv(netdev);
2202 int ret;
2203
2204 spin_lock_bh(&priv->spy_spinlock);
2205 ret = iw_handler_get_thrspy(netdev, info, (union iwreq_data *)data,
2206 extra);
2207 spin_unlock_bh(&priv->spy_spinlock);
2208
2209 at76_dbg(DBG_IOCTL, "%s: SIOCGIWTHRSPY - number of addresses %d)",
2210 netdev->name, data->length);
2211
2212 return ret;
2213}
2214
2215static int at76_iw_handler_set_wap(struct net_device *netdev,
2216 struct iw_request_info *info,
2217 struct sockaddr *ap_addr, char *extra)
2218{
2219 struct at76_priv *priv = netdev_priv(netdev);
2220
2221 at76_dbg(DBG_IOCTL, "%s: SIOCSIWAP - wap/bssid %s", netdev->name,
2222 mac2str(ap_addr->sa_data));
2223
2224 /* if the incoming address == ff:ff:ff:ff:ff:ff, the user has
2225 chosen any or auto AP preference */
2226 if (is_broadcast_ether_addr(ap_addr->sa_data)
2227 || is_zero_ether_addr(ap_addr->sa_data))
2228 priv->wanted_bssid_valid = 0;
2229 else {
2230 /* user wants to set a preferred AP address */
2231 priv->wanted_bssid_valid = 1;
2232 memcpy(priv->wanted_bssid, ap_addr->sa_data, ETH_ALEN);
2233 }
2234
2235 return -EIWCOMMIT;
2236}
2237
2238static int at76_iw_handler_get_wap(struct net_device *netdev,
2239 struct iw_request_info *info,
2240 struct sockaddr *ap_addr, char *extra)
2241{
2242 struct at76_priv *priv = netdev_priv(netdev);
2243
2244 ap_addr->sa_family = ARPHRD_ETHER;
2245 memcpy(ap_addr->sa_data, priv->bssid, ETH_ALEN);
2246
2247 at76_dbg(DBG_IOCTL, "%s: SIOCGIWAP - wap/bssid %s", netdev->name,
2248 mac2str(ap_addr->sa_data));
2249
2250 return 0;
2251}
2252
2253static int at76_iw_handler_set_scan(struct net_device *netdev,
2254 struct iw_request_info *info,
2255 union iwreq_data *wrqu, char *extra)
2256{
2257 struct at76_priv *priv = netdev_priv(netdev);
2258 int ret = 0;
2259
2260 at76_dbg(DBG_IOCTL, "%s: SIOCSIWSCAN", netdev->name);
2261
2262 if (mutex_lock_interruptible(&priv->mtx))
2263 return -EINTR;
2264
2265 if (!netif_running(netdev)) {
2266 ret = -ENETDOWN;
2267 goto exit;
2268 }
2269
2270 /* jal: we don't allow "iwlist ethX scan" while we are
2271 in monitor mode */
2272 if (priv->iw_mode == IW_MODE_MONITOR) {
2273 ret = -EBUSY;
2274 goto exit;
2275 }
2276
2277 /* Discard old scan results */
2278 if ((jiffies - priv->last_scan) > (20 * HZ))
2279 priv->scan_state = SCAN_IDLE;
2280 priv->last_scan = jiffies;
2281
2282 /* Initiate a scan command */
2283 if (priv->scan_state == SCAN_IN_PROGRESS) {
2284 ret = -EBUSY;
2285 goto exit;
2286 }
2287
2288 priv->scan_state = SCAN_IN_PROGRESS;
2289
2290 at76_quiesce(priv);
2291
2292 /* Try to do passive or active scan if WE asks as. */
2293 if (wrqu->data.length
2294 && wrqu->data.length == sizeof(struct iw_scan_req)) {
2295 struct iw_scan_req *req = (struct iw_scan_req *)extra;
2296
2297 if (req->scan_type == IW_SCAN_TYPE_PASSIVE)
2298 priv->scan_mode = SCAN_TYPE_PASSIVE;
2299 else if (req->scan_type == IW_SCAN_TYPE_ACTIVE)
2300 priv->scan_mode = SCAN_TYPE_ACTIVE;
2301
2302 /* Sanity check values? */
2303 if (req->min_channel_time > 0)
2304 priv->scan_min_time = req->min_channel_time;
2305
2306 if (req->max_channel_time > 0)
2307 priv->scan_max_time = req->max_channel_time;
2308 }
2309
2310 /* change to scanning state */
2311 at76_set_mac_state(priv, MAC_SCANNING);
2312 schedule_work(&priv->work_start_scan);
2313
2314exit:
2315 mutex_unlock(&priv->mtx);
2316 return ret;
2317}
2318
2319static int at76_iw_handler_get_scan(struct net_device *netdev,
2320 struct iw_request_info *info,
2321 struct iw_point *data, char *extra)
2322{
2323 struct at76_priv *priv = netdev_priv(netdev);
2324 unsigned long flags;
2325 struct list_head *lptr, *nptr;
2326 struct bss_info *curr_bss;
2327 struct iw_event *iwe = kmalloc(sizeof(struct iw_event), GFP_KERNEL);
2328 char *curr_val, *curr_pos = extra;
2329 int i;
2330
2331 at76_dbg(DBG_IOCTL, "%s: SIOCGIWSCAN", netdev->name);
2332
2333 if (!iwe)
2334 return -ENOMEM;
2335
2336 if (priv->scan_state != SCAN_COMPLETED) {
2337 /* scan not yet finished */
2338 kfree(iwe);
2339 return -EAGAIN;
2340 }
2341
2342 spin_lock_irqsave(&priv->bss_list_spinlock, flags);
2343
2344 list_for_each_safe(lptr, nptr, &priv->bss_list) {
2345 curr_bss = list_entry(lptr, struct bss_info, list);
2346
2347 iwe->cmd = SIOCGIWAP;
2348 iwe->u.ap_addr.sa_family = ARPHRD_ETHER;
2349 memcpy(iwe->u.ap_addr.sa_data, curr_bss->bssid, 6);
2350 curr_pos = iwe_stream_add_event(info, curr_pos,
2351 extra + IW_SCAN_MAX_DATA, iwe,
2352 IW_EV_ADDR_LEN);
2353
2354 iwe->u.data.length = curr_bss->ssid_len;
2355 iwe->cmd = SIOCGIWESSID;
2356 iwe->u.data.flags = 1;
2357
2358 curr_pos = iwe_stream_add_point(info, curr_pos,
2359 extra + IW_SCAN_MAX_DATA, iwe,
2360 curr_bss->ssid);
2361
2362 iwe->cmd = SIOCGIWMODE;
2363 iwe->u.mode = (curr_bss->capa & WLAN_CAPABILITY_IBSS) ?
2364 IW_MODE_ADHOC :
2365 (curr_bss->capa & WLAN_CAPABILITY_ESS) ?
2366 IW_MODE_MASTER : IW_MODE_AUTO;
2367 /* IW_MODE_AUTO = 0 which I thought is
2368 * the most logical value to return in this case */
2369 curr_pos = iwe_stream_add_event(info, curr_pos,
2370 extra + IW_SCAN_MAX_DATA, iwe,
2371 IW_EV_UINT_LEN);
2372
2373 iwe->cmd = SIOCGIWFREQ;
2374 iwe->u.freq.m = curr_bss->channel;
2375 iwe->u.freq.e = 0;
2376 curr_pos = iwe_stream_add_event(info, curr_pos,
2377 extra + IW_SCAN_MAX_DATA, iwe,
2378 IW_EV_FREQ_LEN);
2379
2380 iwe->cmd = SIOCGIWENCODE;
2381 if (curr_bss->capa & WLAN_CAPABILITY_PRIVACY)
2382 iwe->u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
2383 else
2384 iwe->u.data.flags = IW_ENCODE_DISABLED;
2385
2386 iwe->u.data.length = 0;
2387 curr_pos = iwe_stream_add_point(info, curr_pos,
2388 extra + IW_SCAN_MAX_DATA, iwe,
2389 NULL);
2390
2391 /* Add quality statistics */
2392 iwe->cmd = IWEVQUAL;
2393 iwe->u.qual.noise = 0;
2394 iwe->u.qual.updated =
2395 IW_QUAL_NOISE_INVALID | IW_QUAL_LEVEL_UPDATED;
2396 iwe->u.qual.level = (curr_bss->rssi * 100 / 42);
2397 if (iwe->u.qual.level > 100)
2398 iwe->u.qual.level = 100;
2399 if (at76_is_intersil(priv->board_type))
2400 iwe->u.qual.qual = curr_bss->link_qual;
2401 else {
2402 iwe->u.qual.qual = 0;
2403 iwe->u.qual.updated |= IW_QUAL_QUAL_INVALID;
2404 }
2405 /* Add new value to event */
2406 curr_pos = iwe_stream_add_event(info, curr_pos,
2407 extra + IW_SCAN_MAX_DATA, iwe,
2408 IW_EV_QUAL_LEN);
2409
2410 /* Rate: stuffing multiple values in a single event requires
2411 * a bit more of magic - Jean II */
2412 curr_val = curr_pos + IW_EV_LCP_LEN;
2413
2414 iwe->cmd = SIOCGIWRATE;
2415 /* Those two flags are ignored... */
2416 iwe->u.bitrate.fixed = 0;
2417 iwe->u.bitrate.disabled = 0;
2418 /* Max 8 values */
2419 for (i = 0; i < curr_bss->rates_len; i++) {
2420 /* Bit rate given in 500 kb/s units (+ 0x80) */
2421 iwe->u.bitrate.value =
2422 ((curr_bss->rates[i] & 0x7f) * 500000);
2423 /* Add new value to event */
2424 curr_val = iwe_stream_add_value(info, curr_pos,
2425 curr_val,
2426 extra +
2427 IW_SCAN_MAX_DATA, iwe,
2428 IW_EV_PARAM_LEN);
2429 }
2430
2431 /* Check if we added any event */
2432 if ((curr_val - curr_pos) > IW_EV_LCP_LEN)
2433 curr_pos = curr_val;
2434
2435 /* more information may be sent back using IWECUSTOM */
2436
2437 }
2438
2439 spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
2440
2441 data->length = (curr_pos - extra);
2442 data->flags = 0;
2443
2444 kfree(iwe);
2445 return 0;
2446}
2447
2448static int at76_iw_handler_set_essid(struct net_device *netdev,
2449 struct iw_request_info *info,
2450 struct iw_point *data, char *extra)
2451{
2452 struct at76_priv *priv = netdev_priv(netdev);
2453
2454 at76_dbg(DBG_IOCTL, "%s: SIOCSIWESSID - %s", netdev->name, extra);
2455
2456 if (data->flags) {
2457 memcpy(priv->essid, extra, data->length);
2458 priv->essid_size = data->length;
2459 } else
2460 priv->essid_size = 0; /* Use any SSID */
2461
2462 return -EIWCOMMIT;
2463}
2464
2465static int at76_iw_handler_get_essid(struct net_device *netdev,
2466 struct iw_request_info *info,
2467 struct iw_point *data, char *extra)
2468{
2469 struct at76_priv *priv = netdev_priv(netdev);
2470
2471 if (priv->essid_size) {
2472 /* not the ANY ssid in priv->essid */
2473 data->flags = 1;
2474 data->length = priv->essid_size;
2475 memcpy(extra, priv->essid, data->length);
2476 } else {
2477 /* the ANY ssid was specified */
2478 if (priv->mac_state == MAC_CONNECTED && priv->curr_bss) {
2479 /* report the SSID we have found */
2480 data->flags = 1;
2481 data->length = priv->curr_bss->ssid_len;
2482 memcpy(extra, priv->curr_bss->ssid, data->length);
2483 } else {
2484 /* report ANY back */
2485 data->flags = 0;
2486 data->length = 0;
2487 }
2488 }
2489
2490 at76_dbg(DBG_IOCTL, "%s: SIOCGIWESSID - %.*s", netdev->name,
2491 data->length, extra);
2492
2493 return 0;
2494}
2495
2496static int at76_iw_handler_set_rate(struct net_device *netdev,
2497 struct iw_request_info *info,
2498 struct iw_param *bitrate, char *extra)
2499{
2500 struct at76_priv *priv = netdev_priv(netdev);
2501 int ret = -EIWCOMMIT;
2502
2503 at76_dbg(DBG_IOCTL, "%s: SIOCSIWRATE - %d", netdev->name,
2504 bitrate->value);
2505
2506 switch (bitrate->value) {
2507 case -1:
2508 priv->txrate = TX_RATE_AUTO;
2509 break; /* auto rate */
2510 case 1000000:
2511 priv->txrate = TX_RATE_1MBIT;
2512 break;
2513 case 2000000:
2514 priv->txrate = TX_RATE_2MBIT;
2515 break;
2516 case 5500000:
2517 priv->txrate = TX_RATE_5_5MBIT;
2518 break;
2519 case 11000000:
2520 priv->txrate = TX_RATE_11MBIT;
2521 break;
2522 default:
2523 ret = -EINVAL;
2524 }
2525
2526 return ret;
2527}
2528
2529static int at76_iw_handler_get_rate(struct net_device *netdev,
2530 struct iw_request_info *info,
2531 struct iw_param *bitrate, char *extra)
2532{
2533 struct at76_priv *priv = netdev_priv(netdev);
2534 int ret = 0;
2535
2536 switch (priv->txrate) {
2537 /* return max rate if RATE_AUTO */
2538 case TX_RATE_AUTO:
2539 bitrate->value = 11000000;
2540 break;
2541 case TX_RATE_1MBIT:
2542 bitrate->value = 1000000;
2543 break;
2544 case TX_RATE_2MBIT:
2545 bitrate->value = 2000000;
2546 break;
2547 case TX_RATE_5_5MBIT:
2548 bitrate->value = 5500000;
2549 break;
2550 case TX_RATE_11MBIT:
2551 bitrate->value = 11000000;
2552 break;
2553 default:
2554 ret = -EINVAL;
2555 }
2556
2557 bitrate->fixed = (priv->txrate != TX_RATE_AUTO);
2558 bitrate->disabled = 0;
2559
2560 at76_dbg(DBG_IOCTL, "%s: SIOCGIWRATE - %d", netdev->name,
2561 bitrate->value);
2562
2563 return ret;
2564}
2565
2566static int at76_iw_handler_set_rts(struct net_device *netdev,
2567 struct iw_request_info *info,
2568 struct iw_param *rts, char *extra)
2569{
2570 struct at76_priv *priv = netdev_priv(netdev);
2571 int ret = -EIWCOMMIT;
2572 int rthr = rts->value;
2573
2574 at76_dbg(DBG_IOCTL, "%s: SIOCSIWRTS - value %d disabled %s",
2575 netdev->name, rts->value, (rts->disabled) ? "true" : "false");
2576
2577 if (rts->disabled)
2578 rthr = MAX_RTS_THRESHOLD;
2579
2580 if ((rthr < 0) || (rthr > MAX_RTS_THRESHOLD))
2581 ret = -EINVAL;
2582 else
2583 priv->rts_threshold = rthr;
2584
2585 return ret;
2586}
2587
2588static int at76_iw_handler_get_rts(struct net_device *netdev,
2589 struct iw_request_info *info,
2590 struct iw_param *rts, char *extra)
2591{
2592 struct at76_priv *priv = netdev_priv(netdev);
2593
2594 rts->value = priv->rts_threshold;
2595 rts->disabled = (rts->value >= MAX_RTS_THRESHOLD);
2596 rts->fixed = 1;
2597
2598 at76_dbg(DBG_IOCTL, "%s: SIOCGIWRTS - value %d disabled %s",
2599 netdev->name, rts->value, (rts->disabled) ? "true" : "false");
2600
2601 return 0;
2602}
2603
2604static int at76_iw_handler_set_frag(struct net_device *netdev,
2605 struct iw_request_info *info,
2606 struct iw_param *frag, char *extra)
2607{
2608 struct at76_priv *priv = netdev_priv(netdev);
2609 int ret = -EIWCOMMIT;
2610 int fthr = frag->value;
2611
2612 at76_dbg(DBG_IOCTL, "%s: SIOCSIWFRAG - value %d, disabled %s",
2613 netdev->name, frag->value,
2614 (frag->disabled) ? "true" : "false");
2615
2616 if (frag->disabled)
2617 fthr = MAX_FRAG_THRESHOLD;
2618
2619 if ((fthr < MIN_FRAG_THRESHOLD) || (fthr > MAX_FRAG_THRESHOLD))
2620 ret = -EINVAL;
2621 else
2622 priv->frag_threshold = fthr & ~0x1; /* get an even value */
2623
2624 return ret;
2625}
2626
2627static int at76_iw_handler_get_frag(struct net_device *netdev,
2628 struct iw_request_info *info,
2629 struct iw_param *frag, char *extra)
2630{
2631 struct at76_priv *priv = netdev_priv(netdev);
2632
2633 frag->value = priv->frag_threshold;
2634 frag->disabled = (frag->value >= MAX_FRAG_THRESHOLD);
2635 frag->fixed = 1;
2636
2637 at76_dbg(DBG_IOCTL, "%s: SIOCGIWFRAG - value %d, disabled %s",
2638 netdev->name, frag->value,
2639 (frag->disabled) ? "true" : "false");
2640
2641 return 0;
2642}
2643
2644static int at76_iw_handler_get_txpow(struct net_device *netdev,
2645 struct iw_request_info *info,
2646 struct iw_param *power, char *extra)
2647{
2648 power->value = 15;
2649 power->fixed = 1; /* No power control */
2650 power->disabled = 0;
2651 power->flags = IW_TXPOW_DBM;
2652
2653 at76_dbg(DBG_IOCTL, "%s: SIOCGIWTXPOW - txpow %d dBm", netdev->name,
2654 power->value);
2655
2656 return 0;
2657}
2658
2659/* jal: short retry is handled by the firmware (at least 0.90.x),
2660 while long retry is not (?) */
2661static int at76_iw_handler_set_retry(struct net_device *netdev,
2662 struct iw_request_info *info,
2663 struct iw_param *retry, char *extra)
2664{
2665 struct at76_priv *priv = netdev_priv(netdev);
2666 int ret = -EIWCOMMIT;
2667
2668 at76_dbg(DBG_IOCTL, "%s: SIOCSIWRETRY disabled %d flags 0x%x val %d",
2669 netdev->name, retry->disabled, retry->flags, retry->value);
2670
2671 if (!retry->disabled && (retry->flags & IW_RETRY_LIMIT)) {
2672 if ((retry->flags & IW_RETRY_MIN) ||
2673 !(retry->flags & IW_RETRY_MAX))
2674 priv->short_retry_limit = retry->value;
2675 else
2676 ret = -EINVAL;
2677 } else
2678 ret = -EINVAL;
2679
2680 return ret;
2681}
2682
2683/* Adapted (ripped) from atmel.c */
2684static int at76_iw_handler_get_retry(struct net_device *netdev,
2685 struct iw_request_info *info,
2686 struct iw_param *retry, char *extra)
2687{
2688 struct at76_priv *priv = netdev_priv(netdev);
2689
2690 at76_dbg(DBG_IOCTL, "%s: SIOCGIWRETRY", netdev->name);
2691
2692 retry->disabled = 0; /* Can't be disabled */
2693 retry->flags = IW_RETRY_LIMIT;
2694 retry->value = priv->short_retry_limit;
2695
2696 return 0;
2697}
2698
2699static int at76_iw_handler_set_encode(struct net_device *netdev,
2700 struct iw_request_info *info,
2701 struct iw_point *encoding, char *extra)
2702{
2703 struct at76_priv *priv = netdev_priv(netdev);
2704 int index = (encoding->flags & IW_ENCODE_INDEX) - 1;
2705 int len = encoding->length;
2706
2707 at76_dbg(DBG_IOCTL, "%s: SIOCSIWENCODE - enc.flags %08x "
2708 "pointer %p len %d", netdev->name, encoding->flags,
2709 encoding->pointer, encoding->length);
2710 at76_dbg(DBG_IOCTL,
2711 "%s: SIOCSIWENCODE - old wepstate: enabled %s key_id %d "
2712 "auth_mode %s", netdev->name,
2713 (priv->wep_enabled) ? "true" : "false", priv->wep_key_id,
2714 (priv->auth_mode ==
2715 WLAN_AUTH_SHARED_KEY) ? "restricted" : "open");
2716
2717 /* take the old default key if index is invalid */
2718 if ((index < 0) || (index >= WEP_KEYS))
2719 index = priv->wep_key_id;
2720
2721 if (len > 0) {
2722 if (len > WEP_LARGE_KEY_LEN)
2723 len = WEP_LARGE_KEY_LEN;
2724
2725 memset(priv->wep_keys[index], 0, WEP_KEY_LEN);
2726 memcpy(priv->wep_keys[index], extra, len);
2727 priv->wep_keys_len[index] = (len <= WEP_SMALL_KEY_LEN) ?
2728 WEP_SMALL_KEY_LEN : WEP_LARGE_KEY_LEN;
2729 priv->wep_enabled = 1;
2730 }
2731
2732 priv->wep_key_id = index;
2733 priv->wep_enabled = ((encoding->flags & IW_ENCODE_DISABLED) == 0);
2734
2735 if (encoding->flags & IW_ENCODE_RESTRICTED)
2736 priv->auth_mode = WLAN_AUTH_SHARED_KEY;
2737 if (encoding->flags & IW_ENCODE_OPEN)
2738 priv->auth_mode = WLAN_AUTH_OPEN;
2739
2740 at76_dbg(DBG_IOCTL,
2741 "%s: SIOCSIWENCODE - new wepstate: enabled %s key_id %d "
2742 "key_len %d auth_mode %s", netdev->name,
2743 (priv->wep_enabled) ? "true" : "false", priv->wep_key_id + 1,
2744 priv->wep_keys_len[priv->wep_key_id],
2745 (priv->auth_mode ==
2746 WLAN_AUTH_SHARED_KEY) ? "restricted" : "open");
2747
2748 return -EIWCOMMIT;
2749}
2750
2751static int at76_iw_handler_get_encode(struct net_device *netdev,
2752 struct iw_request_info *info,
2753 struct iw_point *encoding, char *extra)
2754{
2755 struct at76_priv *priv = netdev_priv(netdev);
2756 int index = (encoding->flags & IW_ENCODE_INDEX) - 1;
2757
2758 if ((index < 0) || (index >= WEP_KEYS))
2759 index = priv->wep_key_id;
2760
2761 encoding->flags =
2762 (priv->auth_mode == WLAN_AUTH_SHARED_KEY) ?
2763 IW_ENCODE_RESTRICTED : IW_ENCODE_OPEN;
2764
2765 if (!priv->wep_enabled)
2766 encoding->flags |= IW_ENCODE_DISABLED;
2767
2768 if (encoding->pointer) {
2769 encoding->length = priv->wep_keys_len[index];
2770
2771 memcpy(extra, priv->wep_keys[index], priv->wep_keys_len[index]);
2772
2773 encoding->flags |= (index + 1);
2774 }
2775
2776 at76_dbg(DBG_IOCTL, "%s: SIOCGIWENCODE - enc.flags %08x "
2777 "pointer %p len %d", netdev->name, encoding->flags,
2778 encoding->pointer, encoding->length);
2779 at76_dbg(DBG_IOCTL,
2780 "%s: SIOCGIWENCODE - wepstate: enabled %s key_id %d "
2781 "key_len %d auth_mode %s", netdev->name,
2782 (priv->wep_enabled) ? "true" : "false", priv->wep_key_id + 1,
2783 priv->wep_keys_len[priv->wep_key_id],
2784 (priv->auth_mode ==
2785 WLAN_AUTH_SHARED_KEY) ? "restricted" : "open");
2786
2787 return 0;
2788}
2789
2790static int at76_iw_handler_set_power(struct net_device *netdev,
2791 struct iw_request_info *info,
2792 struct iw_param *prq, char *extra)
2793{
2794 int err = -EIWCOMMIT;
2795 struct at76_priv *priv = netdev_priv(netdev);
2796
2797 at76_dbg(DBG_IOCTL,
2798 "%s: SIOCSIWPOWER - disabled %s flags 0x%x value 0x%x",
2799 netdev->name, (prq->disabled) ? "true" : "false", prq->flags,
2800 prq->value);
2801
2802 if (prq->disabled)
2803 priv->pm_mode = AT76_PM_OFF;
2804 else {
2805 switch (prq->flags & IW_POWER_MODE) {
2806 case IW_POWER_ALL_R:
2807 case IW_POWER_ON:
2808 break;
2809 default:
2810 err = -EINVAL;
2811 goto exit;
2812 }
2813 if (prq->flags & IW_POWER_PERIOD)
2814 priv->pm_period = prq->value;
2815
2816 if (prq->flags & IW_POWER_TIMEOUT) {
2817 err = -EINVAL;
2818 goto exit;
2819 }
2820 priv->pm_mode = AT76_PM_ON;
2821 }
2822exit:
2823 return err;
2824}
2825
2826static int at76_iw_handler_get_power(struct net_device *netdev,
2827 struct iw_request_info *info,
2828 struct iw_param *power, char *extra)
2829{
2830 struct at76_priv *priv = netdev_priv(netdev);
2831
2832 power->disabled = (priv->pm_mode == AT76_PM_OFF);
2833 if (!power->disabled) {
2834 power->flags = IW_POWER_PERIOD | IW_POWER_ALL_R;
2835 power->value = priv->pm_period;
2836 }
2837
2838 at76_dbg(DBG_IOCTL, "%s: SIOCGIWPOWER - %s flags 0x%x value 0x%x",
2839 netdev->name, power->disabled ? "disabled" : "enabled",
2840 power->flags, power->value);
2841
2842 return 0;
2843}
2844
2845/*******************************************************************************
2846 * Private IOCTLS
2847 */
2848static int at76_iw_set_short_preamble(struct net_device *netdev,
2849 struct iw_request_info *info, char *name,
2850 char *extra)
2851{
2852 struct at76_priv *priv = netdev_priv(netdev);
2853 int val = *((int *)name);
2854 int ret = -EIWCOMMIT;
2855
2856 at76_dbg(DBG_IOCTL, "%s: AT76_SET_SHORT_PREAMBLE, %d",
2857 netdev->name, val);
2858
2859 if (val < PREAMBLE_TYPE_LONG || val > PREAMBLE_TYPE_AUTO)
2860 ret = -EINVAL;
2861 else
2862 priv->preamble_type = val;
2863
2864 return ret;
2865}
2866
2867static int at76_iw_get_short_preamble(struct net_device *netdev,
2868 struct iw_request_info *info,
2869 union iwreq_data *wrqu, char *extra)
2870{
2871 struct at76_priv *priv = netdev_priv(netdev);
2872
2873 snprintf(wrqu->name, sizeof(wrqu->name), "%s (%d)",
2874 preambles[priv->preamble_type], priv->preamble_type);
2875 return 0;
2876}
2877
2878static int at76_iw_set_debug(struct net_device *netdev,
2879 struct iw_request_info *info,
2880 struct iw_point *data, char *extra)
2881{
2882 char *ptr;
2883 u32 val;
2884
2885 if (data->length > 0) {
2886 val = simple_strtol(extra, &ptr, 0);
2887
2888 if (ptr == extra)
2889 val = DBG_DEFAULTS;
2890
2891 at76_dbg(DBG_IOCTL, "%s: AT76_SET_DEBUG input %d: %s -> 0x%x",
2892 netdev->name, data->length, extra, val);
2893 } else
2894 val = DBG_DEFAULTS;
2895
2896 at76_dbg(DBG_IOCTL, "%s: AT76_SET_DEBUG, old 0x%x, new 0x%x",
2897 netdev->name, at76_debug, val);
2898
2899 /* jal: some more output to pin down lockups */
2900 at76_dbg(DBG_IOCTL, "%s: netif running %d queue_stopped %d "
2901 "carrier_ok %d", netdev->name, netif_running(netdev),
2902 netif_queue_stopped(netdev), netif_carrier_ok(netdev));
2903
2904 at76_debug = val;
2905
2906 return 0;
2907}
2908
2909static int at76_iw_get_debug(struct net_device *netdev,
2910 struct iw_request_info *info,
2911 union iwreq_data *wrqu, char *extra)
2912{
2913 snprintf(wrqu->name, sizeof(wrqu->name), "0x%08x", at76_debug);
2914 return 0;
2915}
2916
2917static int at76_iw_set_powersave_mode(struct net_device *netdev,
2918 struct iw_request_info *info, char *name,
2919 char *extra)
2920{
2921 struct at76_priv *priv = netdev_priv(netdev);
2922 int val = *((int *)name);
2923 int ret = -EIWCOMMIT;
2924
2925 at76_dbg(DBG_IOCTL, "%s: AT76_SET_POWERSAVE_MODE, %d (%s)",
2926 netdev->name, val,
2927 val == AT76_PM_OFF ? "active" : val == AT76_PM_ON ? "save" :
2928 val == AT76_PM_SMART ? "smart save" : "<invalid>");
2929 if (val < AT76_PM_OFF || val > AT76_PM_SMART)
2930 ret = -EINVAL;
2931 else
2932 priv->pm_mode = val;
2933
2934 return ret;
2935}
2936
2937static int at76_iw_get_powersave_mode(struct net_device *netdev,
2938 struct iw_request_info *info,
2939 union iwreq_data *wrqu, char *extra)
2940{
2941 struct at76_priv *priv = netdev_priv(netdev);
2942 int *param = (int *)extra;
2943
2944 param[0] = priv->pm_mode;
2945 return 0;
2946}
2947
2948static int at76_iw_set_scan_times(struct net_device *netdev,
2949 struct iw_request_info *info, char *name,
2950 char *extra)
2951{
2952 struct at76_priv *priv = netdev_priv(netdev);
2953 int mint = *((int *)name);
2954 int maxt = *((int *)name + 1);
2955 int ret = -EIWCOMMIT;
2956
2957 at76_dbg(DBG_IOCTL, "%s: AT76_SET_SCAN_TIMES - min %d max %d",
2958 netdev->name, mint, maxt);
2959 if (mint <= 0 || maxt <= 0 || mint > maxt)
2960 ret = -EINVAL;
2961 else {
2962 priv->scan_min_time = mint;
2963 priv->scan_max_time = maxt;
2964 }
2965
2966 return ret;
2967}
2968
2969static int at76_iw_get_scan_times(struct net_device *netdev,
2970 struct iw_request_info *info,
2971 union iwreq_data *wrqu, char *extra)
2972{
2973 struct at76_priv *priv = netdev_priv(netdev);
2974 int *param = (int *)extra;
2975
2976 param[0] = priv->scan_min_time;
2977 param[1] = priv->scan_max_time;
2978 return 0;
2979}
2980
2981static int at76_iw_set_scan_mode(struct net_device *netdev,
2982 struct iw_request_info *info, char *name,
2983 char *extra)
2984{
2985 struct at76_priv *priv = netdev_priv(netdev);
2986 int val = *((int *)name);
2987 int ret = -EIWCOMMIT;
2988
2989 at76_dbg(DBG_IOCTL, "%s: AT76_SET_SCAN_MODE - mode %s",
2990 netdev->name, (val = SCAN_TYPE_ACTIVE) ? "active" :
2991 (val = SCAN_TYPE_PASSIVE) ? "passive" : "<invalid>");
2992
2993 if (val != SCAN_TYPE_ACTIVE && val != SCAN_TYPE_PASSIVE)
2994 ret = -EINVAL;
2995 else
2996 priv->scan_mode = val;
2997
2998 return ret;
2999}
3000
3001static int at76_iw_get_scan_mode(struct net_device *netdev,
3002 struct iw_request_info *info,
3003 union iwreq_data *wrqu, char *extra)
3004{
3005 struct at76_priv *priv = netdev_priv(netdev);
3006 int *param = (int *)extra;
3007
3008 param[0] = priv->scan_mode;
3009 return 0;
3010}
3011
3012#define AT76_SET_HANDLER(h, f) [h - SIOCIWFIRST] = (iw_handler) f
3013
3014/* Standard wireless handlers */
3015static const iw_handler at76_handlers[] = {
3016 AT76_SET_HANDLER(SIOCSIWCOMMIT, at76_iw_handler_commit),
3017 AT76_SET_HANDLER(SIOCGIWNAME, at76_iw_handler_get_name),
3018 AT76_SET_HANDLER(SIOCSIWFREQ, at76_iw_handler_set_freq),
3019 AT76_SET_HANDLER(SIOCGIWFREQ, at76_iw_handler_get_freq),
3020 AT76_SET_HANDLER(SIOCSIWMODE, at76_iw_handler_set_mode),
3021 AT76_SET_HANDLER(SIOCGIWMODE, at76_iw_handler_get_mode),
3022 AT76_SET_HANDLER(SIOCGIWRANGE, at76_iw_handler_get_range),
3023 AT76_SET_HANDLER(SIOCSIWSPY, at76_iw_handler_set_spy),
3024 AT76_SET_HANDLER(SIOCGIWSPY, at76_iw_handler_get_spy),
3025 AT76_SET_HANDLER(SIOCSIWTHRSPY, at76_iw_handler_set_thrspy),
3026 AT76_SET_HANDLER(SIOCGIWTHRSPY, at76_iw_handler_get_thrspy),
3027 AT76_SET_HANDLER(SIOCSIWAP, at76_iw_handler_set_wap),
3028 AT76_SET_HANDLER(SIOCGIWAP, at76_iw_handler_get_wap),
3029 AT76_SET_HANDLER(SIOCSIWSCAN, at76_iw_handler_set_scan),
3030 AT76_SET_HANDLER(SIOCGIWSCAN, at76_iw_handler_get_scan),
3031 AT76_SET_HANDLER(SIOCSIWESSID, at76_iw_handler_set_essid),
3032 AT76_SET_HANDLER(SIOCGIWESSID, at76_iw_handler_get_essid),
3033 AT76_SET_HANDLER(SIOCSIWRATE, at76_iw_handler_set_rate),
3034 AT76_SET_HANDLER(SIOCGIWRATE, at76_iw_handler_get_rate),
3035 AT76_SET_HANDLER(SIOCSIWRTS, at76_iw_handler_set_rts),
3036 AT76_SET_HANDLER(SIOCGIWRTS, at76_iw_handler_get_rts),
3037 AT76_SET_HANDLER(SIOCSIWFRAG, at76_iw_handler_set_frag),
3038 AT76_SET_HANDLER(SIOCGIWFRAG, at76_iw_handler_get_frag),
3039 AT76_SET_HANDLER(SIOCGIWTXPOW, at76_iw_handler_get_txpow),
3040 AT76_SET_HANDLER(SIOCSIWRETRY, at76_iw_handler_set_retry),
3041 AT76_SET_HANDLER(SIOCGIWRETRY, at76_iw_handler_get_retry),
3042 AT76_SET_HANDLER(SIOCSIWENCODE, at76_iw_handler_set_encode),
3043 AT76_SET_HANDLER(SIOCGIWENCODE, at76_iw_handler_get_encode),
3044 AT76_SET_HANDLER(SIOCSIWPOWER, at76_iw_handler_set_power),
3045 AT76_SET_HANDLER(SIOCGIWPOWER, at76_iw_handler_get_power)
3046};
3047
3048#define AT76_SET_PRIV(h, f) [h - SIOCIWFIRSTPRIV] = (iw_handler) f
3049
3050/* Private wireless handlers */
3051static const iw_handler at76_priv_handlers[] = {
3052 AT76_SET_PRIV(AT76_SET_SHORT_PREAMBLE, at76_iw_set_short_preamble),
3053 AT76_SET_PRIV(AT76_GET_SHORT_PREAMBLE, at76_iw_get_short_preamble),
3054 AT76_SET_PRIV(AT76_SET_DEBUG, at76_iw_set_debug),
3055 AT76_SET_PRIV(AT76_GET_DEBUG, at76_iw_get_debug),
3056 AT76_SET_PRIV(AT76_SET_POWERSAVE_MODE, at76_iw_set_powersave_mode),
3057 AT76_SET_PRIV(AT76_GET_POWERSAVE_MODE, at76_iw_get_powersave_mode),
3058 AT76_SET_PRIV(AT76_SET_SCAN_TIMES, at76_iw_set_scan_times),
3059 AT76_SET_PRIV(AT76_GET_SCAN_TIMES, at76_iw_get_scan_times),
3060 AT76_SET_PRIV(AT76_SET_SCAN_MODE, at76_iw_set_scan_mode),
3061 AT76_SET_PRIV(AT76_GET_SCAN_MODE, at76_iw_get_scan_mode),
3062};
3063
3064/* Names and arguments of private wireless handlers */
3065static const struct iw_priv_args at76_priv_args[] = {
3066 /* 0 - long, 1 - short */
3067 {AT76_SET_SHORT_PREAMBLE,
3068 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_preamble"},
3069
3070 {AT76_GET_SHORT_PREAMBLE,
3071 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 10, "get_preamble"},
3072
3073 /* we must pass the new debug mask as a string, because iwpriv cannot
3074 * parse hex numbers starting with 0x :-( */
3075 {AT76_SET_DEBUG,
3076 IW_PRIV_TYPE_CHAR | 10, 0, "set_debug"},
3077
3078 {AT76_GET_DEBUG,
3079 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 10, "get_debug"},
3080
3081 /* 1 - active, 2 - power save, 3 - smart power save */
3082 {AT76_SET_POWERSAVE_MODE,
3083 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_powersave"},
3084
3085 {AT76_GET_POWERSAVE_MODE,
3086 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_powersave"},
3087
3088 /* min_channel_time, max_channel_time */
3089 {AT76_SET_SCAN_TIMES,
3090 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_scan_times"},
3091
3092 {AT76_GET_SCAN_TIMES,
3093 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, "get_scan_times"},
3094
3095 /* 0 - active, 1 - passive scan */
3096 {AT76_SET_SCAN_MODE,
3097 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_scan_mode"},
3098
3099 {AT76_GET_SCAN_MODE,
3100 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_scan_mode"},
3101};
3102
3103static const struct iw_handler_def at76_handler_def = {
3104 .num_standard = ARRAY_SIZE(at76_handlers),
3105 .num_private = ARRAY_SIZE(at76_priv_handlers),
3106 .num_private_args = ARRAY_SIZE(at76_priv_args),
3107 .standard = at76_handlers,
3108 .private = at76_priv_handlers,
3109 .private_args = at76_priv_args,
3110 .get_wireless_stats = at76_get_wireless_stats,
3111};
3112
3113static const u8 snapsig[] = { 0xaa, 0xaa, 0x03 };
3114
3115/* RFC 1042 encapsulates Ethernet frames in 802.2 SNAP (0xaa, 0xaa, 0x03) with
3116 * a SNAP OID of 0 (0x00, 0x00, 0x00) */
3117static const u8 rfc1042sig[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
3118
3119static int at76_tx(struct sk_buff *skb, struct net_device *netdev)
3120{
3121 struct at76_priv *priv = netdev_priv(netdev);
3122 struct net_device_stats *stats = &priv->stats;
3123 int ret = 0;
3124 int wlen;
3125 int submit_len;
3126 struct at76_tx_buffer *tx_buffer = priv->bulk_out_buffer;
3127 struct ieee80211_hdr_3addr *i802_11_hdr =
3128 (struct ieee80211_hdr_3addr *)tx_buffer->packet;
3129 u8 *payload = i802_11_hdr->payload;
3130 struct ethhdr *eh = (struct ethhdr *)skb->data;
3131
3132 if (netif_queue_stopped(netdev)) {
3133 printk(KERN_ERR "%s: %s called while netdev is stopped\n",
3134 netdev->name, __func__);
3135 /* skip this packet */
3136 dev_kfree_skb(skb);
3137 return 0;
3138 }
3139
3140 if (priv->tx_urb->status == -EINPROGRESS) {
3141 printk(KERN_ERR "%s: %s called while tx urb is pending\n",
3142 netdev->name, __func__);
3143 /* skip this packet */
3144 dev_kfree_skb(skb);
3145 return 0;
3146 }
3147
3148 if (skb->len < ETH_HLEN) {
3149 printk(KERN_ERR "%s: %s: skb too short (%d)\n",
3150 netdev->name, __func__, skb->len);
3151 dev_kfree_skb(skb);
3152 return 0;
3153 }
3154
3155 at76_ledtrig_tx_activity(); /* tell ledtrigger we send a packet */
3156
3157 /* we can get rid of memcpy if we set netdev->hard_header_len to
3158 reserve enough space, but we would need to keep the skb around */
3159
3160 if (ntohs(eh->h_proto) <= ETH_DATA_LEN) {
3161 /* this is a 802.3 packet */
3162 if (skb->len >= ETH_HLEN + sizeof(rfc1042sig)
3163 && skb->data[ETH_HLEN] == rfc1042sig[0]
3164 && skb->data[ETH_HLEN + 1] == rfc1042sig[1]) {
3165 /* higher layer delivered SNAP header - keep it */
3166 memcpy(payload, skb->data + ETH_HLEN,
3167 skb->len - ETH_HLEN);
3168 wlen = IEEE80211_3ADDR_LEN + skb->len - ETH_HLEN;
3169 } else {
3170 printk(KERN_ERR "%s: dropping non-SNAP 802.2 packet "
3171 "(DSAP 0x%02x SSAP 0x%02x cntrl 0x%02x)\n",
3172 priv->netdev->name, skb->data[ETH_HLEN],
3173 skb->data[ETH_HLEN + 1],
3174 skb->data[ETH_HLEN + 2]);
3175 dev_kfree_skb(skb);
3176 return 0;
3177 }
3178 } else {
3179 /* add RFC 1042 header in front */
3180 memcpy(payload, rfc1042sig, sizeof(rfc1042sig));
3181 memcpy(payload + sizeof(rfc1042sig), &eh->h_proto,
3182 skb->len - offsetof(struct ethhdr, h_proto));
3183 wlen = IEEE80211_3ADDR_LEN + sizeof(rfc1042sig) + skb->len -
3184 offsetof(struct ethhdr, h_proto);
3185 }
3186
3187 /* make wireless header */
3188 i802_11_hdr->frame_ctl =
3189 cpu_to_le16(IEEE80211_FTYPE_DATA |
3190 (priv->wep_enabled ? IEEE80211_FCTL_PROTECTED : 0) |
3191 (priv->iw_mode ==
3192 IW_MODE_INFRA ? IEEE80211_FCTL_TODS : 0));
3193
3194 if (priv->iw_mode == IW_MODE_ADHOC) {
3195 memcpy(i802_11_hdr->addr1, eh->h_dest, ETH_ALEN);
3196 memcpy(i802_11_hdr->addr2, eh->h_source, ETH_ALEN);
3197 memcpy(i802_11_hdr->addr3, priv->bssid, ETH_ALEN);
3198 } else if (priv->iw_mode == IW_MODE_INFRA) {
3199 memcpy(i802_11_hdr->addr1, priv->bssid, ETH_ALEN);
3200 memcpy(i802_11_hdr->addr2, eh->h_source, ETH_ALEN);
3201 memcpy(i802_11_hdr->addr3, eh->h_dest, ETH_ALEN);
3202 }
3203
3204 i802_11_hdr->duration_id = cpu_to_le16(0);
3205 i802_11_hdr->seq_ctl = cpu_to_le16(0);
3206
3207 /* setup 'Atmel' header */
3208 tx_buffer->wlength = cpu_to_le16(wlen);
3209 tx_buffer->tx_rate = priv->txrate;
3210 /* for broadcast destination addresses, the firmware 0.100.x
3211 seems to choose the highest rate set with CMD_STARTUP in
3212 basic_rate_set replacing this value */
3213
3214 memset(tx_buffer->reserved, 0, sizeof(tx_buffer->reserved));
3215
3216 tx_buffer->padding = at76_calc_padding(wlen);
3217 submit_len = wlen + AT76_TX_HDRLEN + tx_buffer->padding;
3218
3219 at76_dbg(DBG_TX_DATA_CONTENT, "%s skb->data %s", priv->netdev->name,
3220 hex2str(skb->data, 32));
3221 at76_dbg(DBG_TX_DATA, "%s tx: wlen 0x%x pad 0x%x rate %d hdr %s",
3222 priv->netdev->name,
3223 le16_to_cpu(tx_buffer->wlength),
3224 tx_buffer->padding, tx_buffer->tx_rate,
3225 hex2str(i802_11_hdr, sizeof(*i802_11_hdr)));
3226 at76_dbg(DBG_TX_DATA_CONTENT, "%s payload %s", priv->netdev->name,
3227 hex2str(payload, 48));
3228
3229 /* send stuff */
3230 netif_stop_queue(netdev);
3231 netdev->trans_start = jiffies;
3232
3233 usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe, tx_buffer,
3234 submit_len, at76_tx_callback, priv);
3235 ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC);
3236 if (ret) {
3237 stats->tx_errors++;
3238 printk(KERN_ERR "%s: error in tx submit urb: %d\n",
3239 netdev->name, ret);
3240 if (ret == -EINVAL)
3241 printk(KERN_ERR
3242 "%s: -EINVAL: tx urb %p hcpriv %p complete %p\n",
3243 priv->netdev->name, priv->tx_urb,
3244 priv->tx_urb->hcpriv, priv->tx_urb->complete);
3245 } else {
3246 stats->tx_bytes += skb->len;
3247 dev_kfree_skb(skb);
3248 }
3249
3250 return ret;
3251}
3252
3253static void at76_tx_timeout(struct net_device *netdev)
3254{
3255 struct at76_priv *priv = netdev_priv(netdev);
3256
3257 if (!priv)
3258 return;
3259 dev_warn(&netdev->dev, "tx timeout.");
3260
3261 usb_unlink_urb(priv->tx_urb);
3262 priv->stats.tx_errors++;
3263}
3264
1322static int at76_submit_rx_urb(struct at76_priv *priv) 3265static int at76_submit_rx_urb(struct at76_priv *priv)
1323{ 3266{
1324 int ret; 3267 int ret;
@@ -1327,7 +3270,7 @@ static int at76_submit_rx_urb(struct at76_priv *priv)
1327 3270
1328 if (!priv->rx_urb) { 3271 if (!priv->rx_urb) {
1329 printk(KERN_ERR "%s: %s: priv->rx_urb is NULL\n", 3272 printk(KERN_ERR "%s: %s: priv->rx_urb is NULL\n",
1330 wiphy_name(priv->hw->wiphy), __func__); 3273 priv->netdev->name, __func__);
1331 return -EFAULT; 3274 return -EFAULT;
1332 } 3275 }
1333 3276
@@ -1335,7 +3278,7 @@ static int at76_submit_rx_urb(struct at76_priv *priv)
1335 skb = dev_alloc_skb(sizeof(struct at76_rx_buffer)); 3278 skb = dev_alloc_skb(sizeof(struct at76_rx_buffer));
1336 if (!skb) { 3279 if (!skb) {
1337 printk(KERN_ERR "%s: cannot allocate rx skbuff\n", 3280 printk(KERN_ERR "%s: cannot allocate rx skbuff\n",
1338 wiphy_name(priv->hw->wiphy)); 3281 priv->netdev->name);
1339 ret = -ENOMEM; 3282 ret = -ENOMEM;
1340 goto exit; 3283 goto exit;
1341 } 3284 }
@@ -1355,18 +3298,110 @@ static int at76_submit_rx_urb(struct at76_priv *priv)
1355 "usb_submit_urb returned -ENODEV"); 3298 "usb_submit_urb returned -ENODEV");
1356 else 3299 else
1357 printk(KERN_ERR "%s: rx, usb_submit_urb failed: %d\n", 3300 printk(KERN_ERR "%s: rx, usb_submit_urb failed: %d\n",
1358 wiphy_name(priv->hw->wiphy), ret); 3301 priv->netdev->name, ret);
1359 } 3302 }
1360 3303
1361exit: 3304exit:
1362 if (ret < 0 && ret != -ENODEV) 3305 if (ret < 0 && ret != -ENODEV)
1363 printk(KERN_ERR "%s: cannot submit rx urb - please unload the " 3306 printk(KERN_ERR "%s: cannot submit rx urb - please unload the "
1364 "driver and/or power cycle the device\n", 3307 "driver and/or power cycle the device\n",
1365 wiphy_name(priv->hw->wiphy)); 3308 priv->netdev->name);
1366 3309
1367 return ret; 3310 return ret;
1368} 3311}
1369 3312
3313static int at76_open(struct net_device *netdev)
3314{
3315 struct at76_priv *priv = netdev_priv(netdev);
3316 int ret = 0;
3317
3318 at76_dbg(DBG_PROC_ENTRY, "%s(): entry", __func__);
3319
3320 if (mutex_lock_interruptible(&priv->mtx))
3321 return -EINTR;
3322
3323 /* if netdev->dev_addr != priv->mac_addr we must
3324 set the mac address in the device ! */
3325 if (compare_ether_addr(netdev->dev_addr, priv->mac_addr)) {
3326 if (at76_add_mac_address(priv, netdev->dev_addr) >= 0)
3327 at76_dbg(DBG_PROGRESS, "%s: set new MAC addr %s",
3328 netdev->name, mac2str(netdev->dev_addr));
3329 }
3330
3331 priv->scan_state = SCAN_IDLE;
3332 priv->last_scan = jiffies;
3333
3334 ret = at76_submit_rx_urb(priv);
3335 if (ret < 0) {
3336 printk(KERN_ERR "%s: open: submit_rx_urb failed: %d\n",
3337 netdev->name, ret);
3338 goto error;
3339 }
3340
3341 schedule_delayed_work(&priv->dwork_restart, 0);
3342
3343 at76_dbg(DBG_PROC_ENTRY, "%s(): end", __func__);
3344error:
3345 mutex_unlock(&priv->mtx);
3346 return ret < 0 ? ret : 0;
3347}
3348
3349static int at76_stop(struct net_device *netdev)
3350{
3351 struct at76_priv *priv = netdev_priv(netdev);
3352
3353 at76_dbg(DBG_DEVSTART, "%s: ENTER", __func__);
3354
3355 if (mutex_lock_interruptible(&priv->mtx))
3356 return -EINTR;
3357
3358 at76_quiesce(priv);
3359
3360 if (!priv->device_unplugged) {
3361 /* We are called by "ifconfig ethX down", not because the
3362 * device is not available anymore. */
3363 at76_set_radio(priv, 0);
3364
3365 /* We unlink rx_urb because at76_open() re-submits it.
3366 * If unplugged, at76_delete_device() takes care of it. */
3367 usb_kill_urb(priv->rx_urb);
3368 }
3369
3370 /* free the bss_list */
3371 at76_free_bss_list(priv);
3372
3373 mutex_unlock(&priv->mtx);
3374 at76_dbg(DBG_DEVSTART, "%s: EXIT", __func__);
3375
3376 return 0;
3377}
3378
3379static void at76_ethtool_get_drvinfo(struct net_device *netdev,
3380 struct ethtool_drvinfo *info)
3381{
3382 struct at76_priv *priv = netdev_priv(netdev);
3383
3384 strncpy(info->driver, DRIVER_NAME, sizeof(info->driver));
3385 strncpy(info->version, DRIVER_VERSION, sizeof(info->version));
3386
3387 usb_make_path(priv->udev, info->bus_info, sizeof(info->bus_info));
3388
3389 snprintf(info->fw_version, sizeof(info->fw_version), "%d.%d.%d-%d",
3390 priv->fw_version.major, priv->fw_version.minor,
3391 priv->fw_version.patch, priv->fw_version.build);
3392}
3393
3394static u32 at76_ethtool_get_link(struct net_device *netdev)
3395{
3396 struct at76_priv *priv = netdev_priv(netdev);
3397 return priv->mac_state == MAC_CONNECTED;
3398}
3399
3400static struct ethtool_ops at76_ethtool_ops = {
3401 .get_drvinfo = at76_ethtool_get_drvinfo,
3402 .get_link = at76_ethtool_get_link,
3403};
3404
1370/* Download external firmware */ 3405/* Download external firmware */
1371static int at76_load_external_fw(struct usb_device *udev, struct fwentry *fwe) 3406static int at76_load_external_fw(struct usb_device *udev, struct fwentry *fwe)
1372{ 3407{
@@ -1463,6 +3498,406 @@ exit:
1463 return ret; 3498 return ret;
1464} 3499}
1465 3500
3501static int at76_match_essid(struct at76_priv *priv, struct bss_info *ptr)
3502{
3503 /* common criteria for both modi */
3504
3505 int ret = (priv->essid_size == 0 /* ANY ssid */ ||
3506 (priv->essid_size == ptr->ssid_len &&
3507 !memcmp(priv->essid, ptr->ssid, ptr->ssid_len)));
3508 if (!ret)
3509 at76_dbg(DBG_BSS_MATCH,
3510 "%s bss table entry %p: essid didn't match",
3511 priv->netdev->name, ptr);
3512 return ret;
3513}
3514
3515static inline int at76_match_mode(struct at76_priv *priv, struct bss_info *ptr)
3516{
3517 int ret;
3518
3519 if (priv->iw_mode == IW_MODE_ADHOC)
3520 ret = ptr->capa & WLAN_CAPABILITY_IBSS;
3521 else
3522 ret = ptr->capa & WLAN_CAPABILITY_ESS;
3523 if (!ret)
3524 at76_dbg(DBG_BSS_MATCH,
3525 "%s bss table entry %p: mode didn't match",
3526 priv->netdev->name, ptr);
3527 return ret;
3528}
3529
3530static int at76_match_rates(struct at76_priv *priv, struct bss_info *ptr)
3531{
3532 int i;
3533
3534 for (i = 0; i < ptr->rates_len; i++) {
3535 u8 rate = ptr->rates[i];
3536
3537 if (!(rate & 0x80))
3538 continue;
3539
3540 /* this is a basic rate we have to support
3541 (see IEEE802.11, ch. 7.3.2.2) */
3542 if (rate != (0x80 | hw_rates[0])
3543 && rate != (0x80 | hw_rates[1])
3544 && rate != (0x80 | hw_rates[2])
3545 && rate != (0x80 | hw_rates[3])) {
3546 at76_dbg(DBG_BSS_MATCH,
3547 "%s: bss table entry %p: basic rate %02x not "
3548 "supported", priv->netdev->name, ptr, rate);
3549 return 0;
3550 }
3551 }
3552
3553 /* if we use short preamble, the bss must support it */
3554 if (priv->preamble_type == PREAMBLE_TYPE_SHORT &&
3555 !(ptr->capa & WLAN_CAPABILITY_SHORT_PREAMBLE)) {
3556 at76_dbg(DBG_BSS_MATCH,
3557 "%s: %p does not support short preamble",
3558 priv->netdev->name, ptr);
3559 return 0;
3560 } else
3561 return 1;
3562}
3563
3564static inline int at76_match_wep(struct at76_priv *priv, struct bss_info *ptr)
3565{
3566 if (!priv->wep_enabled && ptr->capa & WLAN_CAPABILITY_PRIVACY) {
3567 /* we have disabled WEP, but the BSS signals privacy */
3568 at76_dbg(DBG_BSS_MATCH,
3569 "%s: bss table entry %p: requires encryption",
3570 priv->netdev->name, ptr);
3571 return 0;
3572 }
3573 /* otherwise if the BSS does not signal privacy it may well
3574 accept encrypted packets from us ... */
3575 return 1;
3576}
3577
3578static inline int at76_match_bssid(struct at76_priv *priv, struct bss_info *ptr)
3579{
3580 if (!priv->wanted_bssid_valid ||
3581 !compare_ether_addr(ptr->bssid, priv->wanted_bssid))
3582 return 1;
3583
3584 at76_dbg(DBG_BSS_MATCH,
3585 "%s: requested bssid - %s does not match",
3586 priv->netdev->name, mac2str(priv->wanted_bssid));
3587 at76_dbg(DBG_BSS_MATCH,
3588 " AP bssid - %s of bss table entry %p",
3589 mac2str(ptr->bssid), ptr);
3590 return 0;
3591}
3592
3593/**
3594 * at76_match_bss - try to find a matching bss in priv->bss
3595 *
3596 * last - last bss tried
3597 *
3598 * last == NULL signals a new round starting with priv->bss_list.next
3599 * this function must be called inside an acquired priv->bss_list_spinlock
3600 * otherwise the timeout on bss may remove the newly chosen entry
3601 */
3602static struct bss_info *at76_match_bss(struct at76_priv *priv,
3603 struct bss_info *last)
3604{
3605 struct bss_info *ptr = NULL;
3606 struct list_head *curr;
3607
3608 curr = last ? last->list.next : priv->bss_list.next;
3609 while (curr != &priv->bss_list) {
3610 ptr = list_entry(curr, struct bss_info, list);
3611 if (at76_match_essid(priv, ptr) && at76_match_mode(priv, ptr)
3612 && at76_match_wep(priv, ptr) && at76_match_rates(priv, ptr)
3613 && at76_match_bssid(priv, ptr))
3614 break;
3615 curr = curr->next;
3616 }
3617
3618 if (curr == &priv->bss_list)
3619 ptr = NULL;
3620 /* otherwise ptr points to the struct bss_info we have chosen */
3621
3622 at76_dbg(DBG_BSS_TABLE, "%s %s: returned %p", priv->netdev->name,
3623 __func__, ptr);
3624 return ptr;
3625}
3626
3627/* Start joining a matching BSS, or create own IBSS */
3628static void at76_work_join(struct work_struct *work)
3629{
3630 struct at76_priv *priv = container_of(work, struct at76_priv,
3631 work_join);
3632 int ret;
3633 unsigned long flags;
3634
3635 mutex_lock(&priv->mtx);
3636
3637 WARN_ON(priv->mac_state != MAC_JOINING);
3638 if (priv->mac_state != MAC_JOINING)
3639 goto exit;
3640
3641 /* secure the access to priv->curr_bss ! */
3642 spin_lock_irqsave(&priv->bss_list_spinlock, flags);
3643 priv->curr_bss = at76_match_bss(priv, priv->curr_bss);
3644 spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
3645
3646 if (!priv->curr_bss) {
3647 /* here we haven't found a matching (i)bss ... */
3648 if (priv->iw_mode == IW_MODE_ADHOC) {
3649 at76_set_mac_state(priv, MAC_OWN_IBSS);
3650 at76_start_ibss(priv);
3651 goto exit;
3652 }
3653 /* haven't found a matching BSS in infra mode - try again */
3654 at76_set_mac_state(priv, MAC_SCANNING);
3655 schedule_work(&priv->work_start_scan);
3656 goto exit;
3657 }
3658
3659 ret = at76_join_bss(priv, priv->curr_bss);
3660 if (ret < 0) {
3661 printk(KERN_ERR "%s: join_bss failed with %d\n",
3662 priv->netdev->name, ret);
3663 goto exit;
3664 }
3665
3666 ret = at76_wait_completion(priv, CMD_JOIN);
3667 if (ret != CMD_STATUS_COMPLETE) {
3668 if (ret != CMD_STATUS_TIME_OUT)
3669 printk(KERN_ERR "%s: join_bss completed with %d\n",
3670 priv->netdev->name, ret);
3671 else
3672 printk(KERN_INFO "%s: join_bss ssid %s timed out\n",
3673 priv->netdev->name,
3674 mac2str(priv->curr_bss->bssid));
3675
3676 /* retry next BSS immediately */
3677 schedule_work(&priv->work_join);
3678 goto exit;
3679 }
3680
3681 /* here we have joined the (I)BSS */
3682 if (priv->iw_mode == IW_MODE_ADHOC) {
3683 struct bss_info *bptr = priv->curr_bss;
3684 at76_set_mac_state(priv, MAC_CONNECTED);
3685 /* get ESSID, BSSID and channel for priv->curr_bss */
3686 priv->essid_size = bptr->ssid_len;
3687 memcpy(priv->essid, bptr->ssid, bptr->ssid_len);
3688 memcpy(priv->bssid, bptr->bssid, ETH_ALEN);
3689 priv->channel = bptr->channel;
3690 at76_iwevent_bss_connect(priv->netdev, bptr->bssid);
3691 netif_carrier_on(priv->netdev);
3692 netif_start_queue(priv->netdev);
3693 /* just to be sure */
3694 cancel_delayed_work(&priv->dwork_get_scan);
3695 cancel_delayed_work(&priv->dwork_auth);
3696 cancel_delayed_work(&priv->dwork_assoc);
3697 } else {
3698 /* send auth req */
3699 priv->retries = AUTH_RETRIES;
3700 at76_set_mac_state(priv, MAC_AUTH);
3701 at76_auth_req(priv, priv->curr_bss, 1, NULL);
3702 at76_dbg(DBG_MGMT_TIMER,
3703 "%s:%d: starting mgmt_timer + HZ", __func__, __LINE__);
3704 schedule_delayed_work(&priv->dwork_auth, AUTH_TIMEOUT);
3705 }
3706
3707exit:
3708 mutex_unlock(&priv->mtx);
3709}
3710
3711/* Reap scan results */
3712static void at76_dwork_get_scan(struct work_struct *work)
3713{
3714 int status;
3715 int ret;
3716 struct at76_priv *priv = container_of(work, struct at76_priv,
3717 dwork_get_scan.work);
3718
3719 mutex_lock(&priv->mtx);
3720 WARN_ON(priv->mac_state != MAC_SCANNING);
3721 if (priv->mac_state != MAC_SCANNING)
3722 goto exit;
3723
3724 status = at76_get_cmd_status(priv->udev, CMD_SCAN);
3725 if (status < 0) {
3726 printk(KERN_ERR "%s: %s: at76_get_cmd_status failed with %d\n",
3727 priv->netdev->name, __func__, status);
3728 status = CMD_STATUS_IN_PROGRESS;
3729 /* INFO: Hope it was a one off error - if not, scanning
3730 further down the line and stop this cycle */
3731 }
3732 at76_dbg(DBG_PROGRESS,
3733 "%s %s: got cmd_status %d (state %s, need_any %d)",
3734 priv->netdev->name, __func__, status,
3735 mac_states[priv->mac_state], priv->scan_need_any);
3736
3737 if (status != CMD_STATUS_COMPLETE) {
3738 if ((status != CMD_STATUS_IN_PROGRESS) &&
3739 (status != CMD_STATUS_IDLE))
3740 printk(KERN_ERR "%s: %s: Bad scan status: %s\n",
3741 priv->netdev->name, __func__,
3742 at76_get_cmd_status_string(status));
3743
3744 /* the first cmd status after scan start is always a IDLE ->
3745 start the timer to poll again until COMPLETED */
3746 at76_dbg(DBG_MGMT_TIMER,
3747 "%s:%d: starting mgmt_timer for %d ticks",
3748 __func__, __LINE__, SCAN_POLL_INTERVAL);
3749 schedule_delayed_work(&priv->dwork_get_scan,
3750 SCAN_POLL_INTERVAL);
3751 goto exit;
3752 }
3753
3754 if (at76_debug & DBG_BSS_TABLE)
3755 at76_dump_bss_table(priv);
3756
3757 if (priv->scan_need_any) {
3758 ret = at76_start_scan(priv, 0);
3759 if (ret < 0)
3760 printk(KERN_ERR
3761 "%s: %s: start_scan (ANY) failed with %d\n",
3762 priv->netdev->name, __func__, ret);
3763 at76_dbg(DBG_MGMT_TIMER,
3764 "%s:%d: starting mgmt_timer for %d ticks", __func__,
3765 __LINE__, SCAN_POLL_INTERVAL);
3766 schedule_delayed_work(&priv->dwork_get_scan,
3767 SCAN_POLL_INTERVAL);
3768 priv->scan_need_any = 0;
3769 } else {
3770 priv->scan_state = SCAN_COMPLETED;
3771 /* report the end of scan to user space */
3772 at76_iwevent_scan_complete(priv->netdev);
3773 at76_set_mac_state(priv, MAC_JOINING);
3774 schedule_work(&priv->work_join);
3775 }
3776
3777exit:
3778 mutex_unlock(&priv->mtx);
3779}
3780
3781/* Handle loss of beacons from the AP */
3782static void at76_dwork_beacon(struct work_struct *work)
3783{
3784 struct at76_priv *priv = container_of(work, struct at76_priv,
3785 dwork_beacon.work);
3786
3787 mutex_lock(&priv->mtx);
3788 if (priv->mac_state != MAC_CONNECTED || priv->iw_mode != IW_MODE_INFRA)
3789 goto exit;
3790
3791 /* We haven't received any beacons from out AP for BEACON_TIMEOUT */
3792 printk(KERN_INFO "%s: lost beacon bssid %s\n",
3793 priv->netdev->name, mac2str(priv->curr_bss->bssid));
3794
3795 netif_carrier_off(priv->netdev);
3796 netif_stop_queue(priv->netdev);
3797 at76_iwevent_bss_disconnect(priv->netdev);
3798 at76_set_mac_state(priv, MAC_SCANNING);
3799 schedule_work(&priv->work_start_scan);
3800
3801exit:
3802 mutex_unlock(&priv->mtx);
3803}
3804
3805/* Handle authentication response timeout */
3806static void at76_dwork_auth(struct work_struct *work)
3807{
3808 struct at76_priv *priv = container_of(work, struct at76_priv,
3809 dwork_auth.work);
3810
3811 mutex_lock(&priv->mtx);
3812 WARN_ON(priv->mac_state != MAC_AUTH);
3813 if (priv->mac_state != MAC_AUTH)
3814 goto exit;
3815
3816 at76_dbg(DBG_PROGRESS, "%s: authentication response timeout",
3817 priv->netdev->name);
3818
3819 if (priv->retries-- >= 0) {
3820 at76_auth_req(priv, priv->curr_bss, 1, NULL);
3821 at76_dbg(DBG_MGMT_TIMER, "%s:%d: starting mgmt_timer + HZ",
3822 __func__, __LINE__);
3823 schedule_delayed_work(&priv->dwork_auth, AUTH_TIMEOUT);
3824 } else {
3825 /* try to get next matching BSS */
3826 at76_set_mac_state(priv, MAC_JOINING);
3827 schedule_work(&priv->work_join);
3828 }
3829
3830exit:
3831 mutex_unlock(&priv->mtx);
3832}
3833
3834/* Handle association response timeout */
3835static void at76_dwork_assoc(struct work_struct *work)
3836{
3837 struct at76_priv *priv = container_of(work, struct at76_priv,
3838 dwork_assoc.work);
3839
3840 mutex_lock(&priv->mtx);
3841 WARN_ON(priv->mac_state != MAC_ASSOC);
3842 if (priv->mac_state != MAC_ASSOC)
3843 goto exit;
3844
3845 at76_dbg(DBG_PROGRESS, "%s: association response timeout",
3846 priv->netdev->name);
3847
3848 if (priv->retries-- >= 0) {
3849 at76_assoc_req(priv, priv->curr_bss);
3850 at76_dbg(DBG_MGMT_TIMER, "%s:%d: starting mgmt_timer + HZ",
3851 __func__, __LINE__);
3852 schedule_delayed_work(&priv->dwork_assoc, ASSOC_TIMEOUT);
3853 } else {
3854 /* try to get next matching BSS */
3855 at76_set_mac_state(priv, MAC_JOINING);
3856 schedule_work(&priv->work_join);
3857 }
3858
3859exit:
3860 mutex_unlock(&priv->mtx);
3861}
3862
3863/* Read new bssid in ad-hoc mode */
3864static void at76_work_new_bss(struct work_struct *work)
3865{
3866 struct at76_priv *priv = container_of(work, struct at76_priv,
3867 work_new_bss);
3868 int ret;
3869 struct mib_mac_mgmt mac_mgmt;
3870
3871 mutex_lock(&priv->mtx);
3872
3873 ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, &mac_mgmt,
3874 sizeof(struct mib_mac_mgmt));
3875 if (ret < 0) {
3876 printk(KERN_ERR "%s: at76_get_mib failed: %d\n",
3877 priv->netdev->name, ret);
3878 goto exit;
3879 }
3880
3881 at76_dbg(DBG_PROGRESS, "ibss_change = 0x%2x", mac_mgmt.ibss_change);
3882 memcpy(priv->bssid, mac_mgmt.current_bssid, ETH_ALEN);
3883 at76_dbg(DBG_PROGRESS, "using BSSID %s", mac2str(priv->bssid));
3884
3885 at76_iwevent_bss_connect(priv->netdev, priv->bssid);
3886
3887 priv->mib_buf.type = MIB_MAC_MGMT;
3888 priv->mib_buf.size = 1;
3889 priv->mib_buf.index = offsetof(struct mib_mac_mgmt, ibss_change);
3890 priv->mib_buf.data.byte = 0;
3891
3892 ret = at76_set_mib(priv, &priv->mib_buf);
3893 if (ret < 0)
3894 printk(KERN_ERR "%s: set_mib (ibss change ok) failed: %d\n",
3895 priv->netdev->name, ret);
3896
3897exit:
3898 mutex_unlock(&priv->mtx);
3899}
3900
1466static int at76_startup_device(struct at76_priv *priv) 3901static int at76_startup_device(struct at76_priv *priv)
1467{ 3902{
1468 struct at76_card_config *ccfg = &priv->card_config; 3903 struct at76_card_config *ccfg = &priv->card_config;
@@ -1470,14 +3905,14 @@ static int at76_startup_device(struct at76_priv *priv)
1470 3905
1471 at76_dbg(DBG_PARAMS, 3906 at76_dbg(DBG_PARAMS,
1472 "%s param: ssid %.*s (%s) mode %s ch %d wep %s key %d " 3907 "%s param: ssid %.*s (%s) mode %s ch %d wep %s key %d "
1473 "keylen %d", wiphy_name(priv->hw->wiphy), priv->essid_size, 3908 "keylen %d", priv->netdev->name, priv->essid_size, priv->essid,
1474 priv->essid, hex2str(priv->essid, IW_ESSID_MAX_SIZE), 3909 hex2str(priv->essid, IW_ESSID_MAX_SIZE),
1475 priv->iw_mode == IW_MODE_ADHOC ? "adhoc" : "infra", 3910 priv->iw_mode == IW_MODE_ADHOC ? "adhoc" : "infra",
1476 priv->channel, priv->wep_enabled ? "enabled" : "disabled", 3911 priv->channel, priv->wep_enabled ? "enabled" : "disabled",
1477 priv->wep_key_id, priv->wep_keys_len[priv->wep_key_id]); 3912 priv->wep_key_id, priv->wep_keys_len[priv->wep_key_id]);
1478 at76_dbg(DBG_PARAMS, 3913 at76_dbg(DBG_PARAMS,
1479 "%s param: preamble %s rts %d retry %d frag %d " 3914 "%s param: preamble %s rts %d retry %d frag %d "
1480 "txrate %s auth_mode %d", wiphy_name(priv->hw->wiphy), 3915 "txrate %s auth_mode %d", priv->netdev->name,
1481 preambles[priv->preamble_type], priv->rts_threshold, 3916 preambles[priv->preamble_type], priv->rts_threshold,
1482 priv->short_retry_limit, priv->frag_threshold, 3917 priv->short_retry_limit, priv->frag_threshold,
1483 priv->txrate == TX_RATE_1MBIT ? "1MBit" : priv->txrate == 3918 priv->txrate == TX_RATE_1MBIT ? "1MBit" : priv->txrate ==
@@ -1488,7 +3923,7 @@ static int at76_startup_device(struct at76_priv *priv)
1488 at76_dbg(DBG_PARAMS, 3923 at76_dbg(DBG_PARAMS,
1489 "%s param: pm_mode %d pm_period %d auth_mode %s " 3924 "%s param: pm_mode %d pm_period %d auth_mode %s "
1490 "scan_times %d %d scan_mode %s", 3925 "scan_times %d %d scan_mode %s",
1491 wiphy_name(priv->hw->wiphy), priv->pm_mode, priv->pm_period, 3926 priv->netdev->name, priv->pm_mode, priv->pm_period,
1492 priv->auth_mode == WLAN_AUTH_OPEN ? "open" : "shared_secret", 3927 priv->auth_mode == WLAN_AUTH_OPEN ? "open" : "shared_secret",
1493 priv->scan_min_time, priv->scan_max_time, 3928 priv->scan_min_time, priv->scan_max_time,
1494 priv->scan_mode == SCAN_TYPE_ACTIVE ? "active" : "passive"); 3929 priv->scan_mode == SCAN_TYPE_ACTIVE ? "active" : "passive");
@@ -1522,8 +3957,7 @@ static int at76_startup_device(struct at76_priv *priv)
1522 ccfg->ssid_len = priv->essid_size; 3957 ccfg->ssid_len = priv->essid_size;
1523 3958
1524 ccfg->wep_default_key_id = priv->wep_key_id; 3959 ccfg->wep_default_key_id = priv->wep_key_id;
1525 memcpy(ccfg->wep_default_key_value, priv->wep_keys, 3960 memcpy(ccfg->wep_default_key_value, priv->wep_keys, 4 * WEP_KEY_LEN);
1526 sizeof(priv->wep_keys));
1527 3961
1528 ccfg->short_preamble = priv->preamble_type; 3962 ccfg->short_preamble = priv->preamble_type;
1529 ccfg->beacon_period = cpu_to_le16(priv->beacon_period); 3963 ccfg->beacon_period = cpu_to_le16(priv->beacon_period);
@@ -1532,7 +3966,7 @@ static int at76_startup_device(struct at76_priv *priv)
1532 sizeof(struct at76_card_config)); 3966 sizeof(struct at76_card_config));
1533 if (ret < 0) { 3967 if (ret < 0) {
1534 printk(KERN_ERR "%s: at76_set_card_command failed: %d\n", 3968 printk(KERN_ERR "%s: at76_set_card_command failed: %d\n",
1535 wiphy_name(priv->hw->wiphy), ret); 3969 priv->netdev->name, ret);
1536 return ret; 3970 return ret;
1537 } 3971 }
1538 3972
@@ -1578,6 +4012,69 @@ static int at76_startup_device(struct at76_priv *priv)
1578 return 0; 4012 return 0;
1579} 4013}
1580 4014
4015/* Restart the interface */
4016static void at76_dwork_restart(struct work_struct *work)
4017{
4018 struct at76_priv *priv = container_of(work, struct at76_priv,
4019 dwork_restart.work);
4020
4021 mutex_lock(&priv->mtx);
4022
4023 netif_carrier_off(priv->netdev); /* stop netdev watchdog */
4024 netif_stop_queue(priv->netdev); /* stop tx data packets */
4025
4026 at76_startup_device(priv);
4027
4028 if (priv->iw_mode != IW_MODE_MONITOR) {
4029 priv->netdev->type = ARPHRD_ETHER;
4030 at76_set_mac_state(priv, MAC_SCANNING);
4031 schedule_work(&priv->work_start_scan);
4032 } else {
4033 priv->netdev->type = ARPHRD_IEEE80211_RADIOTAP;
4034 at76_start_monitor(priv);
4035 }
4036
4037 mutex_unlock(&priv->mtx);
4038}
4039
4040/* Initiate scanning */
4041static void at76_work_start_scan(struct work_struct *work)
4042{
4043 struct at76_priv *priv = container_of(work, struct at76_priv,
4044 work_start_scan);
4045 int ret;
4046
4047 mutex_lock(&priv->mtx);
4048
4049 WARN_ON(priv->mac_state != MAC_SCANNING);
4050 if (priv->mac_state != MAC_SCANNING)
4051 goto exit;
4052
4053 /* only clear the bss list when a scan is actively initiated,
4054 * otherwise simply rely on at76_bss_list_timeout */
4055 if (priv->scan_state == SCAN_IN_PROGRESS) {
4056 at76_free_bss_list(priv);
4057 priv->scan_need_any = 1;
4058 } else
4059 priv->scan_need_any = 0;
4060
4061 ret = at76_start_scan(priv, 1);
4062
4063 if (ret < 0)
4064 printk(KERN_ERR "%s: %s: start_scan failed with %d\n",
4065 priv->netdev->name, __func__, ret);
4066 else {
4067 at76_dbg(DBG_MGMT_TIMER,
4068 "%s:%d: starting mgmt_timer for %d ticks",
4069 __func__, __LINE__, SCAN_POLL_INTERVAL);
4070 schedule_delayed_work(&priv->dwork_get_scan,
4071 SCAN_POLL_INTERVAL);
4072 }
4073
4074exit:
4075 mutex_unlock(&priv->mtx);
4076}
4077
1581/* Enable or disable promiscuous mode */ 4078/* Enable or disable promiscuous mode */
1582static void at76_work_set_promisc(struct work_struct *work) 4079static void at76_work_set_promisc(struct work_struct *work)
1583{ 4080{
@@ -1595,7 +4092,7 @@ static void at76_work_set_promisc(struct work_struct *work)
1595 ret = at76_set_mib(priv, &priv->mib_buf); 4092 ret = at76_set_mib(priv, &priv->mib_buf);
1596 if (ret < 0) 4093 if (ret < 0)
1597 printk(KERN_ERR "%s: set_mib (promiscuous_mode) failed: %d\n", 4094 printk(KERN_ERR "%s: set_mib (promiscuous_mode) failed: %d\n",
1598 wiphy_name(priv->hw->wiphy), ret); 4095 priv->netdev->name, ret);
1599 4096
1600 mutex_unlock(&priv->mtx); 4097 mutex_unlock(&priv->mtx);
1601} 4098}
@@ -1611,759 +4108,1088 @@ static void at76_work_submit_rx(struct work_struct *work)
1611 mutex_unlock(&priv->mtx); 4108 mutex_unlock(&priv->mtx);
1612} 4109}
1613 4110
1614static void at76_rx_tasklet(unsigned long param) 4111/* We got an association response */
4112static void at76_rx_mgmt_assoc(struct at76_priv *priv,
4113 struct at76_rx_buffer *buf)
1615{ 4114{
1616 struct urb *urb = (struct urb *)param; 4115 struct ieee80211_assoc_response *resp =
1617 struct at76_priv *priv = urb->context; 4116 (struct ieee80211_assoc_response *)buf->packet;
1618 struct at76_rx_buffer *buf; 4117 u16 assoc_id = le16_to_cpu(resp->aid);
1619 struct ieee80211_rx_status rx_status = { 0 }; 4118 u16 status = le16_to_cpu(resp->status);
1620 4119
1621 if (priv->device_unplugged) { 4120 at76_dbg(DBG_RX_MGMT, "%s: rx AssocResp bssid %s capa 0x%04x status "
1622 at76_dbg(DBG_DEVSTART, "device unplugged"); 4121 "0x%04x assoc_id 0x%04x rates %s", priv->netdev->name,
1623 if (urb) 4122 mac2str(resp->header.addr3), le16_to_cpu(resp->capability),
1624 at76_dbg(DBG_DEVSTART, "urb status %d", urb->status); 4123 status, assoc_id, hex2str(resp->info_element->data,
4124 resp->info_element->len));
4125
4126 if (priv->mac_state != MAC_ASSOC) {
4127 printk(KERN_INFO "%s: AssocResp in state %s ignored\n",
4128 priv->netdev->name, mac_states[priv->mac_state]);
1625 return; 4129 return;
1626 } 4130 }
1627 4131
1628 if (!priv->rx_skb || !priv->rx_skb->data) 4132 BUG_ON(!priv->curr_bss);
1629 return; 4133
1630 4134 cancel_delayed_work(&priv->dwork_assoc);
1631 buf = (struct at76_rx_buffer *)priv->rx_skb->data; 4135 if (status == WLAN_STATUS_SUCCESS) {
1632 4136 struct bss_info *ptr = priv->curr_bss;
1633 if (urb->status != 0) { 4137 priv->assoc_id = assoc_id & 0x3fff;
1634 if (urb->status != -ENOENT && urb->status != -ECONNRESET) 4138 /* update iwconfig params */
1635 at76_dbg(DBG_URB, 4139 memcpy(priv->bssid, ptr->bssid, ETH_ALEN);
1636 "%s %s: - nonzero Rx bulk status received: %d", 4140 memcpy(priv->essid, ptr->ssid, ptr->ssid_len);
1637 __func__, wiphy_name(priv->hw->wiphy), 4141 priv->essid_size = ptr->ssid_len;
1638 urb->status); 4142 priv->channel = ptr->channel;
1639 return; 4143 schedule_work(&priv->work_assoc_done);
4144 } else {
4145 at76_set_mac_state(priv, MAC_JOINING);
4146 schedule_work(&priv->work_join);
1640 } 4147 }
4148}
1641 4149
1642 at76_dbg(DBG_RX_ATMEL_HDR, 4150/* Process disassociation request from the AP */
1643 "%s: rx frame: rate %d rssi %d noise %d link %d", 4151static void at76_rx_mgmt_disassoc(struct at76_priv *priv,
1644 wiphy_name(priv->hw->wiphy), buf->rx_rate, buf->rssi, 4152 struct at76_rx_buffer *buf)
1645 buf->noise_level, buf->link_quality); 4153{
1646 4154 struct ieee80211_disassoc *resp =
1647 skb_trim(priv->rx_skb, le16_to_cpu(buf->wlength) + AT76_RX_HDRLEN); 4155 (struct ieee80211_disassoc *)buf->packet;
1648 at76_dbg_dump(DBG_RX_DATA, &priv->rx_skb->data[AT76_RX_HDRLEN], 4156 struct ieee80211_hdr_3addr *mgmt = &resp->header;
1649 priv->rx_skb->len, "RX: len=%d", 4157
1650 (int)(priv->rx_skb->len - AT76_RX_HDRLEN)); 4158 at76_dbg(DBG_RX_MGMT,
4159 "%s: rx DisAssoc bssid %s reason 0x%04x destination %s",
4160 priv->netdev->name, mac2str(mgmt->addr3),
4161 le16_to_cpu(resp->reason), mac2str(mgmt->addr1));
4162
4163 /* We are not connected, ignore */
4164 if (priv->mac_state == MAC_SCANNING || priv->mac_state == MAC_INIT
4165 || !priv->curr_bss)
4166 return;
1651 4167
1652 rx_status.signal = buf->rssi; 4168 /* Not our BSSID, ignore */
1653 /* FIXME: is rate_idx still present in structure? */ 4169 if (compare_ether_addr(mgmt->addr3, priv->curr_bss->bssid))
1654 rx_status.rate_idx = buf->rx_rate; 4170 return;
1655 rx_status.flag |= RX_FLAG_DECRYPTED;
1656 rx_status.flag |= RX_FLAG_IV_STRIPPED;
1657 4171
1658 skb_pull(priv->rx_skb, AT76_RX_HDRLEN); 4172 /* Not for our STA and not broadcast, ignore */
1659 at76_dbg(DBG_MAC80211, "calling ieee80211_rx_irqsafe(): %d/%d", 4173 if (compare_ether_addr(priv->netdev->dev_addr, mgmt->addr1)
1660 priv->rx_skb->len, priv->rx_skb->data_len); 4174 && !is_broadcast_ether_addr(mgmt->addr1))
1661 ieee80211_rx_irqsafe(priv->hw, priv->rx_skb, &rx_status); 4175 return;
1662 4176
1663 /* Use a new skb for the next receive */ 4177 if (priv->mac_state != MAC_ASSOC && priv->mac_state != MAC_CONNECTED
1664 priv->rx_skb = NULL; 4178 && priv->mac_state != MAC_JOINING) {
4179 printk(KERN_INFO "%s: DisAssoc in state %s ignored\n",
4180 priv->netdev->name, mac_states[priv->mac_state]);
4181 return;
4182 }
1665 4183
1666 at76_submit_rx_urb(priv); 4184 if (priv->mac_state == MAC_CONNECTED) {
4185 netif_carrier_off(priv->netdev);
4186 netif_stop_queue(priv->netdev);
4187 at76_iwevent_bss_disconnect(priv->netdev);
4188 }
4189 cancel_delayed_work(&priv->dwork_get_scan);
4190 cancel_delayed_work(&priv->dwork_beacon);
4191 cancel_delayed_work(&priv->dwork_auth);
4192 cancel_delayed_work(&priv->dwork_assoc);
4193 at76_set_mac_state(priv, MAC_JOINING);
4194 schedule_work(&priv->work_join);
1667} 4195}
1668 4196
1669/* Load firmware into kernel memory and parse it */ 4197static void at76_rx_mgmt_auth(struct at76_priv *priv,
1670static struct fwentry *at76_load_firmware(struct usb_device *udev, 4198 struct at76_rx_buffer *buf)
1671 enum board_type board_type)
1672{ 4199{
1673 int ret; 4200 struct ieee80211_auth *resp = (struct ieee80211_auth *)buf->packet;
1674 char *str; 4201 struct ieee80211_hdr_3addr *mgmt = &resp->header;
1675 struct at76_fw_header *fwh; 4202 int seq_nr = le16_to_cpu(resp->transaction);
1676 struct fwentry *fwe = &firmwares[board_type]; 4203 int alg = le16_to_cpu(resp->algorithm);
1677 4204 int status = le16_to_cpu(resp->status);
1678 mutex_lock(&fw_mutex); 4205
1679 4206 at76_dbg(DBG_RX_MGMT,
1680 if (fwe->loaded) { 4207 "%s: rx AuthFrame bssid %s alg %d seq_nr %d status %d "
1681 at76_dbg(DBG_FW, "re-using previously loaded fw"); 4208 "destination %s", priv->netdev->name, mac2str(mgmt->addr3),
1682 goto exit; 4209 alg, seq_nr, status, mac2str(mgmt->addr1));
4210
4211 if (alg == WLAN_AUTH_SHARED_KEY && seq_nr == 2)
4212 at76_dbg(DBG_RX_MGMT, "%s: AuthFrame challenge %s ...",
4213 priv->netdev->name, hex2str(resp->info_element, 18));
4214
4215 if (priv->mac_state != MAC_AUTH) {
4216 printk(KERN_INFO "%s: ignored AuthFrame in state %s\n",
4217 priv->netdev->name, mac_states[priv->mac_state]);
4218 return;
1683 } 4219 }
1684 4220 if (priv->auth_mode != alg) {
1685 at76_dbg(DBG_FW, "downloading firmware %s", fwe->fwname); 4221 printk(KERN_INFO "%s: ignored AuthFrame for alg %d\n",
1686 ret = request_firmware(&fwe->fw, fwe->fwname, &udev->dev); 4222 priv->netdev->name, alg);
1687 if (ret < 0) { 4223 return;
1688 dev_printk(KERN_ERR, &udev->dev, "firmware %s not found!\n",
1689 fwe->fwname);
1690 dev_printk(KERN_ERR, &udev->dev,
1691 "you may need to download the firmware from "
1692 "http://developer.berlios.de/projects/at76c503a/\n");
1693 goto exit;
1694 } 4224 }
1695 4225
1696 at76_dbg(DBG_FW, "got it."); 4226 BUG_ON(!priv->curr_bss);
1697 fwh = (struct at76_fw_header *)(fwe->fw->data);
1698 4227
1699 if (fwe->fw->size <= sizeof(*fwh)) { 4228 /* Not our BSSID or not for our STA, ignore */
1700 dev_printk(KERN_ERR, &udev->dev, 4229 if (compare_ether_addr(mgmt->addr3, priv->curr_bss->bssid)
1701 "firmware is too short (0x%zx)\n", fwe->fw->size); 4230 || compare_ether_addr(priv->netdev->dev_addr, mgmt->addr1))
1702 goto exit; 4231 return;
4232
4233 cancel_delayed_work(&priv->dwork_auth);
4234 if (status != WLAN_STATUS_SUCCESS) {
4235 /* try to join next bss */
4236 at76_set_mac_state(priv, MAC_JOINING);
4237 schedule_work(&priv->work_join);
4238 return;
1703 } 4239 }
1704 4240
1705 /* CRC currently not checked */ 4241 if (priv->auth_mode == WLAN_AUTH_OPEN || seq_nr == 4) {
1706 fwe->board_type = le32_to_cpu(fwh->board_type); 4242 priv->retries = ASSOC_RETRIES;
1707 if (fwe->board_type != board_type) { 4243 at76_set_mac_state(priv, MAC_ASSOC);
1708 dev_printk(KERN_ERR, &udev->dev, 4244 at76_assoc_req(priv, priv->curr_bss);
1709 "board type mismatch, requested %u, got %u\n", 4245 at76_dbg(DBG_MGMT_TIMER,
1710 board_type, fwe->board_type); 4246 "%s:%d: starting mgmt_timer + HZ", __func__, __LINE__);
1711 goto exit; 4247 schedule_delayed_work(&priv->dwork_assoc, ASSOC_TIMEOUT);
4248 return;
1712 } 4249 }
1713 4250
1714 fwe->fw_version.major = fwh->major; 4251 WARN_ON(seq_nr != 2);
1715 fwe->fw_version.minor = fwh->minor; 4252 at76_auth_req(priv, priv->curr_bss, seq_nr + 1, resp->info_element);
1716 fwe->fw_version.patch = fwh->patch; 4253 at76_dbg(DBG_MGMT_TIMER, "%s:%d: starting mgmt_timer + HZ", __func__,
1717 fwe->fw_version.build = fwh->build; 4254 __LINE__);
4255 schedule_delayed_work(&priv->dwork_auth, AUTH_TIMEOUT);
4256}
1718 4257
1719 str = (char *)fwh + le32_to_cpu(fwh->str_offset); 4258static void at76_rx_mgmt_deauth(struct at76_priv *priv,
1720 fwe->intfw = (u8 *)fwh + le32_to_cpu(fwh->int_fw_offset); 4259 struct at76_rx_buffer *buf)
1721 fwe->intfw_size = le32_to_cpu(fwh->int_fw_len); 4260{
1722 fwe->extfw = (u8 *)fwh + le32_to_cpu(fwh->ext_fw_offset); 4261 struct ieee80211_disassoc *resp =
1723 fwe->extfw_size = le32_to_cpu(fwh->ext_fw_len); 4262 (struct ieee80211_disassoc *)buf->packet;
4263 struct ieee80211_hdr_3addr *mgmt = &resp->header;
4264
4265 at76_dbg(DBG_RX_MGMT | DBG_PROGRESS,
4266 "%s: rx DeAuth bssid %s reason 0x%04x destination %s",
4267 priv->netdev->name, mac2str(mgmt->addr3),
4268 le16_to_cpu(resp->reason), mac2str(mgmt->addr1));
4269
4270 if (priv->mac_state != MAC_AUTH && priv->mac_state != MAC_ASSOC
4271 && priv->mac_state != MAC_CONNECTED) {
4272 printk(KERN_INFO "%s: DeAuth in state %s ignored\n",
4273 priv->netdev->name, mac_states[priv->mac_state]);
4274 return;
4275 }
1724 4276
1725 fwe->loaded = 1; 4277 BUG_ON(!priv->curr_bss);
1726 4278
1727 dev_printk(KERN_DEBUG, &udev->dev, 4279 /* Not our BSSID, ignore */
1728 "using firmware %s (version %d.%d.%d-%d)\n", 4280 if (compare_ether_addr(mgmt->addr3, priv->curr_bss->bssid))
1729 fwe->fwname, fwh->major, fwh->minor, fwh->patch, fwh->build); 4281 return;
1730 4282
1731 at76_dbg(DBG_DEVSTART, "board %u, int %d:%d, ext %d:%d", board_type, 4283 /* Not for our STA and not broadcast, ignore */
1732 le32_to_cpu(fwh->int_fw_offset), le32_to_cpu(fwh->int_fw_len), 4284 if (compare_ether_addr(priv->netdev->dev_addr, mgmt->addr1)
1733 le32_to_cpu(fwh->ext_fw_offset), le32_to_cpu(fwh->ext_fw_len)); 4285 && !is_broadcast_ether_addr(mgmt->addr1))
1734 at76_dbg(DBG_DEVSTART, "firmware id %s", str); 4286 return;
1735 4287
1736exit: 4288 if (priv->mac_state == MAC_CONNECTED)
1737 mutex_unlock(&fw_mutex); 4289 at76_iwevent_bss_disconnect(priv->netdev);
1738 4290
1739 if (fwe->loaded) 4291 at76_set_mac_state(priv, MAC_JOINING);
1740 return fwe; 4292 schedule_work(&priv->work_join);
1741 else 4293 cancel_delayed_work(&priv->dwork_get_scan);
1742 return NULL; 4294 cancel_delayed_work(&priv->dwork_beacon);
4295 cancel_delayed_work(&priv->dwork_auth);
4296 cancel_delayed_work(&priv->dwork_assoc);
1743} 4297}
1744 4298
1745static void at76_mac80211_tx_callback(struct urb *urb) 4299static void at76_rx_mgmt_beacon(struct at76_priv *priv,
4300 struct at76_rx_buffer *buf)
1746{ 4301{
1747 struct at76_priv *priv = urb->context; 4302 int varpar_len;
1748 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(priv->tx_skb); 4303 /* beacon content */
4304 struct ieee80211_beacon *bdata = (struct ieee80211_beacon *)buf->packet;
4305 struct ieee80211_hdr_3addr *mgmt = &bdata->header;
4306
4307 struct list_head *lptr;
4308 struct bss_info *match; /* entry matching addr3 with its bssid */
4309 int new_entry = 0;
4310 int len;
4311 struct ieee80211_info_element *ie;
4312 int have_ssid = 0;
4313 int have_rates = 0;
4314 int have_channel = 0;
4315 int keep_going = 1;
4316 unsigned long flags;
4317
4318 spin_lock_irqsave(&priv->bss_list_spinlock, flags);
4319 if (priv->mac_state == MAC_CONNECTED) {
4320 /* in state MAC_CONNECTED we use the mgmt_timer to control
4321 the beacon of the BSS */
4322 BUG_ON(!priv->curr_bss);
4323
4324 if (!compare_ether_addr(priv->curr_bss->bssid, mgmt->addr3)) {
4325 /* We got our AP's beacon, defer the timeout handler.
4326 Kill pending work first, as schedule_delayed_work()
4327 won't do it. */
4328 cancel_delayed_work(&priv->dwork_beacon);
4329 schedule_delayed_work(&priv->dwork_beacon,
4330 BEACON_TIMEOUT);
4331 priv->curr_bss->rssi = buf->rssi;
4332 priv->beacons_received++;
4333 goto exit;
4334 }
4335 }
1749 4336
1750 at76_dbg(DBG_MAC80211, "%s()", __func__); 4337 /* look if we have this BSS already in the list */
4338 match = NULL;
1751 4339
1752 switch (urb->status) { 4340 if (!list_empty(&priv->bss_list)) {
1753 case 0: 4341 list_for_each(lptr, &priv->bss_list) {
1754 /* success */ 4342 struct bss_info *bss_ptr =
1755 /* FIXME: 4343 list_entry(lptr, struct bss_info, list);
1756 * is the frame really ACKed when tx_callback is called ? */ 4344 if (!compare_ether_addr(bss_ptr->bssid, mgmt->addr3)) {
1757 info->flags |= IEEE80211_TX_STAT_ACK; 4345 match = bss_ptr;
1758 break; 4346 break;
1759 case -ENOENT: 4347 }
1760 case -ECONNRESET: 4348 }
1761 /* fail, urb has been unlinked */
1762 /* FIXME: add error message */
1763 break;
1764 default:
1765 at76_dbg(DBG_URB, "%s - nonzero tx status received: %d",
1766 __func__, urb->status);
1767 break;
1768 } 4349 }
1769 4350
1770 memset(&info->status, 0, sizeof(info->status)); 4351 if (!match) {
4352 /* BSS not in the list - append it */
4353 match = kzalloc(sizeof(struct bss_info), GFP_ATOMIC);
4354 if (!match) {
4355 at76_dbg(DBG_BSS_TABLE,
4356 "%s: cannot kmalloc new bss info (%zd byte)",
4357 priv->netdev->name, sizeof(struct bss_info));
4358 goto exit;
4359 }
4360 new_entry = 1;
4361 list_add_tail(&match->list, &priv->bss_list);
4362 }
1771 4363
1772 ieee80211_tx_status_irqsafe(priv->hw, priv->tx_skb); 4364 match->capa = le16_to_cpu(bdata->capability);
4365 match->beacon_interval = le16_to_cpu(bdata->beacon_interval);
4366 match->rssi = buf->rssi;
4367 match->link_qual = buf->link_quality;
4368 match->noise_level = buf->noise_level;
4369 memcpy(match->bssid, mgmt->addr3, ETH_ALEN);
4370 at76_dbg(DBG_RX_BEACON, "%s: bssid %s", priv->netdev->name,
4371 mac2str(match->bssid));
4372
4373 ie = bdata->info_element;
4374
4375 /* length of var length beacon parameters */
4376 varpar_len = min_t(int, le16_to_cpu(buf->wlength) -
4377 sizeof(struct ieee80211_beacon),
4378 BEACON_MAX_DATA_LENGTH);
4379
4380 /* This routine steps through the bdata->data array to get
4381 * some useful information about the access point.
4382 * Currently, this implementation supports receipt of: SSID,
4383 * supported transfer rates and channel, in any order, with some
4384 * tolerance for intermittent unknown codes (although this
4385 * functionality may not be necessary as the useful information will
4386 * usually arrive in consecutively, but there have been some
4387 * reports of some of the useful information fields arriving in a
4388 * different order).
4389 * It does not support any more IE types although MFIE_TYPE_TIM may
4390 * be supported (on my AP at least).
4391 * The bdata->data array is about 1500 bytes long but only ~36 of those
4392 * bytes are useful, hence the have_ssid etc optimizations. */
4393
4394 while (keep_going &&
4395 ((&ie->data[ie->len] - (u8 *)bdata->info_element) <=
4396 varpar_len)) {
4397
4398 switch (ie->id) {
4399
4400 case MFIE_TYPE_SSID:
4401 if (have_ssid)
4402 break;
1773 4403
1774 priv->tx_skb = NULL; 4404 len = min_t(int, IW_ESSID_MAX_SIZE, ie->len);
1775 4405
1776 ieee80211_wake_queues(priv->hw); 4406 /* we copy only if this is a new entry,
1777} 4407 or the incoming SSID is not a hidden SSID. This
4408 will protect us from overwriting a real SSID read
4409 in a ProbeResponse with a hidden one from a
4410 following beacon. */
4411 if (!new_entry && at76_is_hidden_ssid(ie->data, len)) {
4412 have_ssid = 1;
4413 break;
4414 }
1778 4415
1779static int at76_mac80211_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 4416 match->ssid_len = len;
1780{ 4417 memcpy(match->ssid, ie->data, len);
1781 struct at76_priv *priv = hw->priv; 4418 at76_dbg(DBG_RX_BEACON, "%s: SSID - %.*s",
1782 struct at76_tx_buffer *tx_buffer = priv->bulk_out_buffer; 4419 priv->netdev->name, len, match->ssid);
1783 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 4420 have_ssid = 1;
1784 int padding, submit_len, ret; 4421 break;
1785 4422
1786 at76_dbg(DBG_MAC80211, "%s()", __func__); 4423 case MFIE_TYPE_RATES:
4424 if (have_rates)
4425 break;
1787 4426
1788 if (priv->tx_urb->status == -EINPROGRESS) { 4427 match->rates_len =
1789 printk(KERN_ERR "%s: %s called while tx urb is pending\n", 4428 min_t(int, sizeof(match->rates), ie->len);
1790 wiphy_name(priv->hw->wiphy), __func__); 4429 memcpy(match->rates, ie->data, match->rates_len);
1791 return NETDEV_TX_BUSY; 4430 have_rates = 1;
1792 } 4431 at76_dbg(DBG_RX_BEACON, "%s: SUPPORTED RATES %s",
4432 priv->netdev->name,
4433 hex2str(ie->data, ie->len));
4434 break;
1793 4435
1794 ieee80211_stop_queues(hw); 4436 case MFIE_TYPE_DS_SET:
4437 if (have_channel)
4438 break;
1795 4439
1796 at76_ledtrig_tx_activity(); /* tell ledtrigger we send a packet */ 4440 match->channel = ie->data[0];
4441 have_channel = 1;
4442 at76_dbg(DBG_RX_BEACON, "%s: CHANNEL - %d",
4443 priv->netdev->name, match->channel);
4444 break;
1797 4445
1798 WARN_ON(priv->tx_skb != NULL); 4446 case MFIE_TYPE_CF_SET:
4447 case MFIE_TYPE_TIM:
4448 case MFIE_TYPE_IBSS_SET:
4449 default:
4450 at76_dbg(DBG_RX_BEACON, "%s: beacon IE id %d len %d %s",
4451 priv->netdev->name, ie->id, ie->len,
4452 hex2str(ie->data, ie->len));
4453 break;
4454 }
1799 4455
1800 priv->tx_skb = skb; 4456 /* advance to the next informational element */
1801 padding = at76_calc_padding(skb->len); 4457 next_ie(&ie);
1802 submit_len = AT76_TX_HDRLEN + skb->len + padding;
1803 4458
1804 /* setup 'Atmel' header */ 4459 /* Optimization: after all, the bdata->data array is
1805 memset(tx_buffer, 0, sizeof(*tx_buffer)); 4460 * varpar_len bytes long, whereas we get all of the useful
1806 tx_buffer->padding = padding; 4461 * information after only ~36 bytes, this saves us a lot of
1807 tx_buffer->wlength = cpu_to_le16(skb->len); 4462 * time (and trouble as the remaining portion of the array
1808 tx_buffer->tx_rate = ieee80211_get_tx_rate(hw, info)->hw_value; 4463 * could be full of junk)
1809 if (FIRMWARE_IS_WPA(priv->fw_version) && info->control.hw_key) { 4464 * Comment this out if you want to see what other information
1810 tx_buffer->key_id = (info->control.hw_key->keyidx); 4465 * comes from the AP - although little of it may be useful */
1811 tx_buffer->cipher_type = 4466 }
1812 priv->keys[info->control.hw_key->keyidx].cipher;
1813 tx_buffer->cipher_length =
1814 priv->keys[info->control.hw_key->keyidx].keylen;
1815 tx_buffer->reserved = 0;
1816 } else {
1817 tx_buffer->key_id = 0;
1818 tx_buffer->cipher_type = 0;
1819 tx_buffer->cipher_length = 0;
1820 tx_buffer->reserved = 0;
1821 };
1822 /* memset(tx_buffer->reserved, 0, sizeof(tx_buffer->reserved)); */
1823 memcpy(tx_buffer->packet, skb->data, skb->len);
1824 4467
1825 at76_dbg(DBG_TX_DATA, "%s tx: wlen 0x%x pad 0x%x rate %d hdr", 4468 at76_dbg(DBG_RX_BEACON, "%s: Finished processing beacon data",
1826 wiphy_name(priv->hw->wiphy), le16_to_cpu(tx_buffer->wlength), 4469 priv->netdev->name);
1827 tx_buffer->padding, tx_buffer->tx_rate);
1828 4470
1829 /* send stuff */ 4471 match->last_rx = jiffies; /* record last rx of beacon */
1830 at76_dbg_dump(DBG_TX_DATA_CONTENT, tx_buffer, submit_len,
1831 "%s(): tx_buffer %d bytes:", __func__, submit_len);
1832 usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe, tx_buffer,
1833 submit_len, at76_mac80211_tx_callback, priv);
1834 ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC);
1835 if (ret) {
1836 printk(KERN_ERR "%s: error in tx submit urb: %d\n",
1837 wiphy_name(priv->hw->wiphy), ret);
1838 if (ret == -EINVAL)
1839 printk(KERN_ERR
1840 "%s: -EINVAL: tx urb %p hcpriv %p complete %p\n",
1841 wiphy_name(priv->hw->wiphy), priv->tx_urb,
1842 priv->tx_urb->hcpriv, priv->tx_urb->complete);
1843 }
1844 4472
1845 return 0; 4473exit:
4474 spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
1846} 4475}
1847 4476
1848static int at76_mac80211_start(struct ieee80211_hw *hw) 4477/* Calculate the link level from a given rx_buffer */
4478static void at76_calc_level(struct at76_priv *priv, struct at76_rx_buffer *buf,
4479 struct iw_quality *qual)
1849{ 4480{
1850 struct at76_priv *priv = hw->priv; 4481 /* just a guess for now, might be different for other chips */
1851 int ret; 4482 int max_rssi = 42;
1852
1853 at76_dbg(DBG_MAC80211, "%s()", __func__);
1854 4483
1855 mutex_lock(&priv->mtx); 4484 qual->level = (buf->rssi * 100 / max_rssi);
1856 4485 if (qual->level > 100)
1857 ret = at76_submit_rx_urb(priv); 4486 qual->level = 100;
1858 if (ret < 0) { 4487 qual->updated |= IW_QUAL_LEVEL_UPDATED;
1859 printk(KERN_ERR "%s: open: submit_rx_urb failed: %d\n", 4488}
1860 wiphy_name(priv->hw->wiphy), ret);
1861 goto error;
1862 }
1863 4489
1864 at76_startup_device(priv); 4490/* Calculate the link quality from a given rx_buffer */
4491static void at76_calc_qual(struct at76_priv *priv, struct at76_rx_buffer *buf,
4492 struct iw_quality *qual)
4493{
4494 if (at76_is_intersil(priv->board_type))
4495 qual->qual = buf->link_quality;
4496 else {
4497 unsigned long elapsed;
1865 4498
1866 at76_start_monitor(priv); 4499 /* Update qual at most once a second */
4500 elapsed = jiffies - priv->beacons_last_qual;
4501 if (elapsed < 1 * HZ)
4502 return;
1867 4503
1868error: 4504 qual->qual = qual->level * priv->beacons_received *
1869 mutex_unlock(&priv->mtx); 4505 msecs_to_jiffies(priv->beacon_period) / elapsed;
1870 4506
1871 return 0; 4507 priv->beacons_last_qual = jiffies;
4508 priv->beacons_received = 0;
4509 }
4510 qual->qual = (qual->qual > 100) ? 100 : qual->qual;
4511 qual->updated |= IW_QUAL_QUAL_UPDATED;
1872} 4512}
1873 4513
1874static void at76_mac80211_stop(struct ieee80211_hw *hw) 4514/* Calculate the noise quality from a given rx_buffer */
4515static void at76_calc_noise(struct at76_priv *priv, struct at76_rx_buffer *buf,
4516 struct iw_quality *qual)
1875{ 4517{
1876 struct at76_priv *priv = hw->priv; 4518 qual->noise = 0;
1877 4519 qual->updated |= IW_QUAL_NOISE_INVALID;
1878 at76_dbg(DBG_MAC80211, "%s()", __func__); 4520}
1879
1880 mutex_lock(&priv->mtx);
1881 4521
1882 if (!priv->device_unplugged) { 4522static void at76_update_wstats(struct at76_priv *priv,
1883 /* We are called by "ifconfig ethX down", not because the 4523 struct at76_rx_buffer *buf)
1884 * device is not available anymore. */ 4524{
1885 if (at76_set_radio(priv, 0) == 1) 4525 struct iw_quality *qual = &priv->wstats.qual;
1886 at76_wait_completion(priv, CMD_RADIO_ON);
1887 4526
1888 /* We unlink rx_urb because at76_open() re-submits it. 4527 if (buf->rssi && priv->mac_state == MAC_CONNECTED) {
1889 * If unplugged, at76_delete_device() takes care of it. */ 4528 qual->updated = 0;
1890 usb_kill_urb(priv->rx_urb); 4529 at76_calc_level(priv, buf, qual);
4530 at76_calc_qual(priv, buf, qual);
4531 at76_calc_noise(priv, buf, qual);
4532 } else {
4533 qual->qual = 0;
4534 qual->level = 0;
4535 qual->noise = 0;
4536 qual->updated = IW_QUAL_ALL_INVALID;
1891 } 4537 }
1892
1893 mutex_unlock(&priv->mtx);
1894} 4538}
1895 4539
1896static int at76_add_interface(struct ieee80211_hw *hw, 4540static void at76_rx_mgmt(struct at76_priv *priv, struct at76_rx_buffer *buf)
1897 struct ieee80211_if_init_conf *conf)
1898{ 4541{
1899 struct at76_priv *priv = hw->priv; 4542 struct ieee80211_hdr_3addr *mgmt =
1900 int ret = 0; 4543 (struct ieee80211_hdr_3addr *)buf->packet;
4544 u16 framectl = le16_to_cpu(mgmt->frame_ctl);
4545
4546 /* update wstats */
4547 if (priv->mac_state != MAC_INIT && priv->mac_state != MAC_SCANNING) {
4548 /* jal: this is a dirty hack needed by Tim in ad-hoc mode */
4549 /* Data packets always seem to have a 0 link level, so we
4550 only read link quality info from management packets.
4551 Atmel driver actually averages the present, and previous
4552 values, we just present the raw value at the moment - TJS */
4553 if (priv->iw_mode == IW_MODE_ADHOC
4554 || (priv->curr_bss
4555 && !compare_ether_addr(mgmt->addr3,
4556 priv->curr_bss->bssid)))
4557 at76_update_wstats(priv, buf);
4558 }
1901 4559
1902 at76_dbg(DBG_MAC80211, "%s()", __func__); 4560 at76_dbg(DBG_RX_MGMT_CONTENT, "%s rx mgmt framectl 0x%x %s",
4561 priv->netdev->name, framectl,
4562 hex2str(mgmt, le16_to_cpu(buf->wlength)));
1903 4563
1904 mutex_lock(&priv->mtx); 4564 switch (framectl & IEEE80211_FCTL_STYPE) {
4565 case IEEE80211_STYPE_BEACON:
4566 case IEEE80211_STYPE_PROBE_RESP:
4567 at76_rx_mgmt_beacon(priv, buf);
4568 break;
4569
4570 case IEEE80211_STYPE_ASSOC_RESP:
4571 at76_rx_mgmt_assoc(priv, buf);
4572 break;
1905 4573
1906 switch (conf->type) { 4574 case IEEE80211_STYPE_DISASSOC:
1907 case NL80211_IFTYPE_STATION: 4575 at76_rx_mgmt_disassoc(priv, buf);
1908 priv->iw_mode = IW_MODE_INFRA;
1909 break; 4576 break;
4577
4578 case IEEE80211_STYPE_AUTH:
4579 at76_rx_mgmt_auth(priv, buf);
4580 break;
4581
4582 case IEEE80211_STYPE_DEAUTH:
4583 at76_rx_mgmt_deauth(priv, buf);
4584 break;
4585
1910 default: 4586 default:
1911 ret = -EOPNOTSUPP; 4587 printk(KERN_DEBUG "%s: ignoring frame with framectl 0x%04x\n",
1912 goto exit; 4588 priv->netdev->name, framectl);
1913 } 4589 }
1914 4590
1915exit: 4591 return;
1916 mutex_unlock(&priv->mtx);
1917
1918 return ret;
1919} 4592}
1920 4593
1921static void at76_remove_interface(struct ieee80211_hw *hw, 4594/* Convert the 802.11 header into an ethernet-style header, make skb
1922 struct ieee80211_if_init_conf *conf) 4595 * ready for consumption by netif_rx() */
4596static void at76_ieee80211_to_eth(struct sk_buff *skb, int iw_mode)
1923{ 4597{
1924 at76_dbg(DBG_MAC80211, "%s()", __func__); 4598 struct ieee80211_hdr_3addr *i802_11_hdr;
1925} 4599 struct ethhdr *eth_hdr_p;
4600 u8 *src_addr;
4601 u8 *dest_addr;
1926 4602
1927static int at76_join(struct at76_priv *priv) 4603 i802_11_hdr = (struct ieee80211_hdr_3addr *)skb->data;
1928{
1929 struct at76_req_join join;
1930 int ret;
1931 4604
1932 memset(&join, 0, sizeof(struct at76_req_join)); 4605 /* That would be the ethernet header if the hardware converted
1933 memcpy(join.essid, priv->essid, priv->essid_size); 4606 * the frame for us. Make sure the source and the destination
1934 join.essid_size = priv->essid_size; 4607 * match the 802.11 header. Which hardware does it? */
1935 memcpy(join.bssid, priv->bssid, ETH_ALEN); 4608 eth_hdr_p = (struct ethhdr *)skb_pull(skb, IEEE80211_3ADDR_LEN);
1936 join.bss_type = INFRASTRUCTURE_MODE;
1937 join.channel = priv->channel;
1938 join.timeout = cpu_to_le16(2000);
1939 4609
1940 at76_dbg(DBG_MAC80211, "%s: sending CMD_JOIN", __func__); 4610 dest_addr = i802_11_hdr->addr1;
1941 ret = at76_set_card_command(priv->udev, CMD_JOIN, &join, 4611 if (iw_mode == IW_MODE_ADHOC)
1942 sizeof(struct at76_req_join)); 4612 src_addr = i802_11_hdr->addr2;
4613 else
4614 src_addr = i802_11_hdr->addr3;
1943 4615
1944 if (ret < 0) { 4616 if (!compare_ether_addr(eth_hdr_p->h_source, src_addr) &&
1945 printk(KERN_ERR "%s: at76_set_card_command failed: %d\n", 4617 !compare_ether_addr(eth_hdr_p->h_dest, dest_addr))
1946 wiphy_name(priv->hw->wiphy), ret); 4618 /* Yes, we already have an ethernet header */
1947 return 0; 4619 skb_reset_mac_header(skb);
1948 } 4620 else {
4621 u16 len;
4622
4623 /* Need to build an ethernet header */
4624 if (!memcmp(skb->data, snapsig, sizeof(snapsig))) {
4625 /* SNAP frame - decapsulate, keep proto */
4626 skb_push(skb, offsetof(struct ethhdr, h_proto) -
4627 sizeof(rfc1042sig));
4628 len = 0;
4629 } else {
4630 /* 802.3 frame, proto is length */
4631 len = skb->len;
4632 skb_push(skb, ETH_HLEN);
4633 }
1949 4634
1950 ret = at76_wait_completion(priv, CMD_JOIN); 4635 skb_reset_mac_header(skb);
1951 at76_dbg(DBG_MAC80211, "%s: CMD_JOIN returned: 0x%02x", __func__, ret); 4636 eth_hdr_p = eth_hdr(skb);
1952 if (ret != CMD_STATUS_COMPLETE) { 4637 /* This needs to be done in this order (eth_hdr_p->h_dest may
1953 printk(KERN_ERR "%s: at76_wait_completion failed: %d\n", 4638 * overlap src_addr) */
1954 wiphy_name(priv->hw->wiphy), ret); 4639 memcpy(eth_hdr_p->h_source, src_addr, ETH_ALEN);
1955 return 0; 4640 memcpy(eth_hdr_p->h_dest, dest_addr, ETH_ALEN);
4641 if (len)
4642 eth_hdr_p->h_proto = htons(len);
1956 } 4643 }
1957 4644
1958 at76_set_tkip_bssid(priv, priv->bssid); 4645 skb->protocol = eth_type_trans(skb, skb->dev);
1959 at76_set_pm_mode(priv);
1960
1961 return 0;
1962} 4646}
1963 4647
1964static void at76_dwork_hw_scan(struct work_struct *work) 4648/* Check for fragmented data in priv->rx_skb. If the packet was no fragment
4649 or it was the last of a fragment set a skb containing the whole packet
4650 is returned for further processing. Otherwise we get NULL and are
4651 done and the packet is either stored inside the fragment buffer
4652 or thrown away. Every returned skb starts with the ieee802_11 header
4653 and contains _no_ FCS at the end */
4654static struct sk_buff *at76_check_for_rx_frags(struct at76_priv *priv)
1965{ 4655{
1966 struct at76_priv *priv = container_of(work, struct at76_priv, 4656 struct sk_buff *skb = priv->rx_skb;
1967 dwork_hw_scan.work); 4657 struct at76_rx_buffer *buf = (struct at76_rx_buffer *)skb->data;
1968 int ret; 4658 struct ieee80211_hdr_3addr *i802_11_hdr =
4659 (struct ieee80211_hdr_3addr *)buf->packet;
4660 /* seq_ctrl, fragment_number, sequence number of new packet */
4661 u16 sctl = le16_to_cpu(i802_11_hdr->seq_ctl);
4662 u16 fragnr = sctl & 0xf;
4663 u16 seqnr = sctl >> 4;
4664 u16 frame_ctl = le16_to_cpu(i802_11_hdr->frame_ctl);
1969 4665
1970 ret = at76_get_cmd_status(priv->udev, CMD_SCAN); 4666 /* Length including the IEEE802.11 header, but without the trailing
1971 at76_dbg(DBG_MAC80211, "%s: CMD_SCAN status 0x%02x", __func__, ret); 4667 * FCS and without the Atmel Rx header */
4668 int length = le16_to_cpu(buf->wlength) - IEEE80211_FCS_LEN;
1972 4669
1973 /* FIXME: add maximum time for scan to complete */ 4670 /* where does the data payload start in skb->data ? */
4671 u8 *data = i802_11_hdr->payload;
1974 4672
1975 if (ret != CMD_STATUS_COMPLETE) { 4673 /* length of payload, excl. the trailing FCS */
1976 queue_delayed_work(priv->hw->workqueue, &priv->dwork_hw_scan, 4674 int data_len = length - IEEE80211_3ADDR_LEN;
1977 SCAN_POLL_INTERVAL); 4675
1978 goto exit; 4676 int i;
4677 struct rx_data_buf *bptr, *optr;
4678 unsigned long oldest = ~0UL;
4679
4680 at76_dbg(DBG_RX_FRAGS,
4681 "%s: rx data frame_ctl %04x addr2 %s seq/frag %d/%d "
4682 "length %d data %d: %s ...", priv->netdev->name, frame_ctl,
4683 mac2str(i802_11_hdr->addr2), seqnr, fragnr, length, data_len,
4684 hex2str(data, 32));
4685
4686 at76_dbg(DBG_RX_FRAGS_SKB, "%s: incoming skb: head %p data %p "
4687 "tail %p end %p len %d", priv->netdev->name, skb->head,
4688 skb->data, skb_tail_pointer(skb), skb_end_pointer(skb),
4689 skb->len);
4690
4691 if (data_len < 0) {
4692 /* make sure data starts in the buffer */
4693 printk(KERN_INFO "%s: data frame too short\n",
4694 priv->netdev->name);
4695 return NULL;
1979 } 4696 }
1980 4697
1981 ieee80211_scan_completed(priv->hw); 4698 WARN_ON(length <= AT76_RX_HDRLEN);
4699 if (length <= AT76_RX_HDRLEN)
4700 return NULL;
1982 4701
1983 if (is_valid_ether_addr(priv->bssid)) { 4702 /* remove the at76_rx_buffer header - we don't need it anymore */
1984 ieee80211_wake_queues(priv->hw); 4703 /* we need the IEEE802.11 header (for the addresses) if this packet
1985 at76_join(priv); 4704 is the first of a chain */
4705 skb_pull(skb, AT76_RX_HDRLEN);
4706
4707 /* remove FCS at end */
4708 skb_trim(skb, length);
4709
4710 at76_dbg(DBG_RX_FRAGS_SKB, "%s: trimmed skb: head %p data %p tail %p "
4711 "end %p len %d data %p data_len %d", priv->netdev->name,
4712 skb->head, skb->data, skb_tail_pointer(skb),
4713 skb_end_pointer(skb), skb->len, data, data_len);
4714
4715 if (fragnr == 0 && !(frame_ctl & IEEE80211_FCTL_MOREFRAGS)) {
4716 /* unfragmented packet received */
4717 /* Use a new skb for the next receive */
4718 priv->rx_skb = NULL;
4719 at76_dbg(DBG_RX_FRAGS, "%s: unfragmented", priv->netdev->name);
4720 return skb;
1986 } 4721 }
1987 4722
1988 ieee80211_wake_queues(priv->hw); 4723 /* look if we've got a chain for the sender address.
4724 afterwards optr points to first free or the oldest entry,
4725 or, if i < NR_RX_DATA_BUF, bptr points to the entry for the
4726 sender address */
4727 /* determining the oldest entry doesn't cope with jiffies wrapping
4728 but I don't care to delete a young entry at these rare moments ... */
4729
4730 bptr = priv->rx_data;
4731 optr = NULL;
4732 for (i = 0; i < NR_RX_DATA_BUF; i++, bptr++) {
4733 if (!bptr->skb) {
4734 optr = bptr;
4735 oldest = 0UL;
4736 continue;
4737 }
1989 4738
1990exit: 4739 if (!compare_ether_addr(i802_11_hdr->addr2, bptr->sender))
1991 return; 4740 break;
1992}
1993 4741
1994static int at76_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len) 4742 if (!optr) {
1995{ 4743 optr = bptr;
1996 struct at76_priv *priv = hw->priv; 4744 oldest = bptr->last_rx;
1997 struct at76_req_scan scan; 4745 } else if (bptr->last_rx < oldest)
1998 int ret; 4746 optr = bptr;
4747 }
1999 4748
2000 at76_dbg(DBG_MAC80211, "%s():", __func__); 4749 if (i < NR_RX_DATA_BUF) {
2001 at76_dbg_dump(DBG_MAC80211, ssid, len, "ssid %zd bytes:", len); 4750
4751 at76_dbg(DBG_RX_FRAGS, "%s: %d. cacheentry (seq/frag = %d/%d) "
4752 "matched sender addr",
4753 priv->netdev->name, i, bptr->seqnr, bptr->fragnr);
4754
4755 /* bptr points to an entry for the sender address */
4756 if (bptr->seqnr == seqnr) {
4757 int left;
4758 /* the fragment has the current sequence number */
4759 if (((bptr->fragnr + 1) & 0xf) != fragnr) {
4760 /* wrong fragment number -> ignore it */
4761 /* is & 0xf necessary above ??? */
4762 at76_dbg(DBG_RX_FRAGS,
4763 "%s: frag nr mismatch: %d + 1 != %d",
4764 priv->netdev->name, bptr->fragnr,
4765 fragnr);
4766 return NULL;
4767 }
4768 bptr->last_rx = jiffies;
4769 /* the next following fragment number ->
4770 add the data at the end */
4771
4772 /* for test only ??? */
4773 left = skb_tailroom(bptr->skb);
4774 if (left < data_len)
4775 printk(KERN_INFO
4776 "%s: only %d byte free (need %d)\n",
4777 priv->netdev->name, left, data_len);
4778 else
4779 memcpy(skb_put(bptr->skb, data_len), data,
4780 data_len);
4781
4782 bptr->fragnr = fragnr;
4783 if (frame_ctl & IEEE80211_FCTL_MOREFRAGS)
4784 return NULL;
4785
4786 /* this was the last fragment - send it */
4787 skb = bptr->skb;
4788 bptr->skb = NULL; /* free the entry */
4789 at76_dbg(DBG_RX_FRAGS, "%s: last frag of seq %d",
4790 priv->netdev->name, seqnr);
4791 return skb;
4792 }
2002 4793
2003 mutex_lock(&priv->mtx); 4794 /* got another sequence number */
4795 if (fragnr == 0) {
4796 /* it's the start of a new chain - replace the
4797 old one by this */
4798 /* bptr->sender has the correct value already */
4799 at76_dbg(DBG_RX_FRAGS,
4800 "%s: start of new seq %d, removing old seq %d",
4801 priv->netdev->name, seqnr, bptr->seqnr);
4802 bptr->seqnr = seqnr;
4803 bptr->fragnr = 0;
4804 bptr->last_rx = jiffies;
4805 /* swap bptr->skb and priv->rx_skb */
4806 skb = bptr->skb;
4807 bptr->skb = priv->rx_skb;
4808 priv->rx_skb = skb;
4809 } else {
4810 /* it from the middle of a new chain ->
4811 delete the old entry and skip the new one */
4812 at76_dbg(DBG_RX_FRAGS,
4813 "%s: middle of new seq %d (%d) "
4814 "removing old seq %d",
4815 priv->netdev->name, seqnr, fragnr,
4816 bptr->seqnr);
4817 dev_kfree_skb(bptr->skb);
4818 bptr->skb = NULL;
4819 }
4820 return NULL;
4821 }
2004 4822
2005 ieee80211_stop_queues(hw); 4823 /* if we didn't find a chain for the sender address, optr
4824 points either to the first free or the oldest entry */
2006 4825
2007 memset(&scan, 0, sizeof(struct at76_req_scan)); 4826 if (fragnr != 0) {
2008 memset(scan.bssid, 0xFF, ETH_ALEN); 4827 /* this is not the begin of a fragment chain ... */
2009 scan.scan_type = SCAN_TYPE_ACTIVE; 4828 at76_dbg(DBG_RX_FRAGS,
2010 if (priv->essid_size > 0) { 4829 "%s: no chain for non-first fragment (%d)",
2011 memcpy(scan.essid, ssid, len); 4830 priv->netdev->name, fragnr);
2012 scan.essid_size = len; 4831 return NULL;
2013 } 4832 }
2014 scan.min_channel_time = cpu_to_le16(priv->scan_min_time);
2015 scan.max_channel_time = cpu_to_le16(priv->scan_max_time);
2016 scan.probe_delay = cpu_to_le16(priv->scan_min_time * 1000);
2017 scan.international_scan = 0;
2018 4833
2019 at76_dbg(DBG_MAC80211, "%s: sending CMD_SCAN", __func__); 4834 BUG_ON(!optr);
2020 ret = at76_set_card_command(priv->udev, CMD_SCAN, &scan, sizeof(scan)); 4835 if (optr->skb) {
4836 /* swap the skb's */
4837 skb = optr->skb;
4838 optr->skb = priv->rx_skb;
4839 priv->rx_skb = skb;
2021 4840
2022 if (ret < 0) { 4841 at76_dbg(DBG_RX_FRAGS,
2023 err("CMD_SCAN failed: %d", ret); 4842 "%s: free old contents: sender %s seq/frag %d/%d",
2024 goto exit; 4843 priv->netdev->name, mac2str(optr->sender),
2025 } 4844 optr->seqnr, optr->fragnr);
2026 4845
2027 queue_delayed_work(priv->hw->workqueue, &priv->dwork_hw_scan, 4846 } else {
2028 SCAN_POLL_INTERVAL); 4847 /* take the skb from priv->rx_skb */
4848 optr->skb = priv->rx_skb;
4849 /* let at76_submit_rx_urb() allocate a new skb */
4850 priv->rx_skb = NULL;
2029 4851
2030exit: 4852 at76_dbg(DBG_RX_FRAGS, "%s: use a free entry",
2031 mutex_unlock(&priv->mtx); 4853 priv->netdev->name);
4854 }
4855 memcpy(optr->sender, i802_11_hdr->addr2, ETH_ALEN);
4856 optr->seqnr = seqnr;
4857 optr->fragnr = 0;
4858 optr->last_rx = jiffies;
2032 4859
2033 return 0; 4860 return NULL;
2034} 4861}
2035 4862
2036static int at76_config(struct ieee80211_hw *hw, u32 changed) 4863/* Rx interrupt: we expect the complete data buffer in priv->rx_skb */
4864static void at76_rx_data(struct at76_priv *priv)
2037{ 4865{
2038 struct at76_priv *priv = hw->priv; 4866 struct net_device *netdev = priv->netdev;
2039 struct ieee80211_conf *conf = &hw->conf; 4867 struct net_device_stats *stats = &priv->stats;
4868 struct sk_buff *skb = priv->rx_skb;
4869 struct at76_rx_buffer *buf = (struct at76_rx_buffer *)skb->data;
4870 struct ieee80211_hdr_3addr *i802_11_hdr;
4871 int length = le16_to_cpu(buf->wlength);
2040 4872
2041 at76_dbg(DBG_MAC80211, "%s(): channel %d radio %d", 4873 at76_dbg(DBG_RX_DATA, "%s received data packet: %s", netdev->name,
2042 __func__, conf->channel->hw_value, conf->radio_enabled); 4874 hex2str(skb->data, AT76_RX_HDRLEN));
2043 at76_dbg_dump(DBG_MAC80211, priv->essid, priv->essid_size, "ssid:");
2044 at76_dbg_dump(DBG_MAC80211, priv->bssid, ETH_ALEN, "bssid:");
2045 4875
2046 mutex_lock(&priv->mtx); 4876 at76_dbg(DBG_RX_DATA_CONTENT, "rx packet: %s",
4877 hex2str(skb->data + AT76_RX_HDRLEN, length));
2047 4878
2048 priv->channel = conf->channel->hw_value; 4879 skb = at76_check_for_rx_frags(priv);
4880 if (!skb)
4881 return;
2049 4882
2050 if (is_valid_ether_addr(priv->bssid)) { 4883 /* Atmel header and the FCS are already removed */
2051 at76_join(priv); 4884 i802_11_hdr = (struct ieee80211_hdr_3addr *)skb->data;
2052 ieee80211_wake_queues(priv->hw);
2053 } else {
2054 ieee80211_stop_queues(priv->hw);
2055 at76_start_monitor(priv);
2056 };
2057 4885
2058 mutex_unlock(&priv->mtx); 4886 skb->dev = netdev;
4887 skb->ip_summed = CHECKSUM_NONE; /* TODO: should check CRC */
2059 4888
2060 return 0; 4889 if (is_broadcast_ether_addr(i802_11_hdr->addr1)) {
2061} 4890 if (!compare_ether_addr(i802_11_hdr->addr1, netdev->broadcast))
4891 skb->pkt_type = PACKET_BROADCAST;
4892 else
4893 skb->pkt_type = PACKET_MULTICAST;
4894 } else if (compare_ether_addr(i802_11_hdr->addr1, netdev->dev_addr))
4895 skb->pkt_type = PACKET_OTHERHOST;
2062 4896
2063static int at76_config_interface(struct ieee80211_hw *hw, 4897 at76_ieee80211_to_eth(skb, priv->iw_mode);
2064 struct ieee80211_vif *vif,
2065 struct ieee80211_if_conf *conf)
2066{
2067 struct at76_priv *priv = hw->priv;
2068 4898
2069 at76_dbg_dump(DBG_MAC80211, conf->bssid, ETH_ALEN, "bssid:"); 4899 netdev->last_rx = jiffies;
4900 netif_rx(skb);
4901 stats->rx_packets++;
4902 stats->rx_bytes += length;
2070 4903
2071 mutex_lock(&priv->mtx); 4904 return;
4905}
2072 4906
2073 memcpy(priv->bssid, conf->bssid, ETH_ALEN); 4907static void at76_rx_monitor_mode(struct at76_priv *priv)
2074// memcpy(priv->essid, conf->ssid, conf->ssid_len); 4908{
2075// priv->essid_size = conf->ssid_len; 4909 struct at76_rx_radiotap *rt;
4910 u8 *payload;
4911 int skblen;
4912 struct net_device *netdev = priv->netdev;
4913 struct at76_rx_buffer *buf =
4914 (struct at76_rx_buffer *)priv->rx_skb->data;
4915 /* length including the IEEE802.11 header and the trailing FCS,
4916 but not at76_rx_buffer */
4917 int length = le16_to_cpu(buf->wlength);
4918 struct sk_buff *skb = priv->rx_skb;
4919 struct net_device_stats *stats = &priv->stats;
2076 4920
2077 if (is_valid_ether_addr(priv->bssid)) { 4921 if (length < IEEE80211_FCS_LEN) {
2078 /* mac80211 is joining a bss */ 4922 /* buffer contains no data */
2079 ieee80211_wake_queues(priv->hw); 4923 at76_dbg(DBG_MONITOR_MODE,
2080 at76_join(priv); 4924 "%s: MONITOR MODE: rx skb without data",
2081 } else 4925 priv->netdev->name);
2082 ieee80211_stop_queues(priv->hw); 4926 return;
4927 }
2083 4928
2084 mutex_unlock(&priv->mtx); 4929 skblen = sizeof(struct at76_rx_radiotap) + length;
2085 4930
2086 return 0; 4931 skb = dev_alloc_skb(skblen);
4932 if (!skb) {
4933 printk(KERN_ERR "%s: MONITOR MODE: dev_alloc_skb for radiotap "
4934 "header returned NULL\n", priv->netdev->name);
4935 return;
4936 }
4937
4938 skb_put(skb, skblen);
4939
4940 rt = (struct at76_rx_radiotap *)skb->data;
4941 payload = skb->data + sizeof(struct at76_rx_radiotap);
4942
4943 rt->rt_hdr.it_version = 0;
4944 rt->rt_hdr.it_pad = 0;
4945 rt->rt_hdr.it_len = cpu_to_le16(sizeof(struct at76_rx_radiotap));
4946 rt->rt_hdr.it_present = cpu_to_le32(AT76_RX_RADIOTAP_PRESENT);
4947
4948 rt->rt_tsft = cpu_to_le64(le32_to_cpu(buf->rx_time));
4949 rt->rt_rate = hw_rates[buf->rx_rate] & (~0x80);
4950 rt->rt_signal = buf->rssi;
4951 rt->rt_noise = buf->noise_level;
4952 rt->rt_flags = IEEE80211_RADIOTAP_F_FCS;
4953 if (buf->fragmentation)
4954 rt->rt_flags |= IEEE80211_RADIOTAP_F_FRAG;
4955
4956 memcpy(payload, buf->packet, length);
4957 skb->dev = netdev;
4958 skb->ip_summed = CHECKSUM_NONE;
4959 skb_reset_mac_header(skb);
4960 skb->pkt_type = PACKET_OTHERHOST;
4961 skb->protocol = htons(ETH_P_802_2);
4962
4963 netdev->last_rx = jiffies;
4964 netif_rx(skb);
4965 stats->rx_packets++;
4966 stats->rx_bytes += length;
2087} 4967}
2088 4968
2089/* must be atomic */ 4969/* Check if we spy on the sender address in buf and update stats */
2090static void at76_configure_filter(struct ieee80211_hw *hw, 4970static void at76_iwspy_update(struct at76_priv *priv,
2091 unsigned int changed_flags, 4971 struct at76_rx_buffer *buf)
2092 unsigned int *total_flags, int mc_count,
2093 struct dev_addr_list *mc_list)
2094{ 4972{
2095 struct at76_priv *priv = hw->priv; 4973 struct ieee80211_hdr_3addr *hdr =
2096 int flags; 4974 (struct ieee80211_hdr_3addr *)buf->packet;
2097 4975 struct iw_quality qual;
2098 at76_dbg(DBG_MAC80211, "%s(): changed_flags=0x%08x "
2099 "total_flags=0x%08x mc_count=%d",
2100 __func__, changed_flags, *total_flags, mc_count);
2101 4976
2102 flags = changed_flags & AT76_SUPPORTED_FILTERS; 4977 /* We can only set the level here */
2103 *total_flags = AT76_SUPPORTED_FILTERS; 4978 qual.updated = IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
4979 qual.level = 0;
4980 qual.noise = 0;
4981 at76_calc_level(priv, buf, &qual);
2104 4982
2105 /* FIXME: access to priv->promisc should be protected with 4983 spin_lock_bh(&priv->spy_spinlock);
2106 * priv->mtx, but it's impossible because this function needs to be
2107 * atomic */
2108 4984
2109 if (flags && !priv->promisc) { 4985 if (priv->spy_data.spy_number > 0)
2110 /* mac80211 wants us to enable promiscuous mode */ 4986 wireless_spy_update(priv->netdev, hdr->addr2, &qual);
2111 priv->promisc = 1;
2112 } else if (!flags && priv->promisc) {
2113 /* we need to disable promiscuous mode */
2114 priv->promisc = 0;
2115 } else
2116 return;
2117 4987
2118 queue_work(hw->workqueue, &priv->work_set_promisc); 4988 spin_unlock_bh(&priv->spy_spinlock);
2119} 4989}
2120 4990
2121static int at76_set_key_oldfw(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4991static void at76_rx_tasklet(unsigned long param)
2122 const u8 *local_address, const u8 *address,
2123 struct ieee80211_key_conf *key)
2124{ 4992{
2125 struct at76_priv *priv = hw->priv; 4993 struct urb *urb = (struct urb *)param;
2126 4994 struct at76_priv *priv = urb->context;
2127 int i; 4995 struct net_device *netdev = priv->netdev;
2128 4996 struct at76_rx_buffer *buf;
2129 at76_dbg(DBG_MAC80211, "%s(): cmd %d key->alg %d key->keyidx %d " 4997 struct ieee80211_hdr_3addr *i802_11_hdr;
2130 "key->keylen %d", 4998 u16 frame_ctl;
2131 __func__, cmd, key->alg, key->keyidx, key->keylen);
2132 4999
2133 if (key->alg != ALG_WEP) 5000 if (priv->device_unplugged) {
2134 return -EOPNOTSUPP; 5001 at76_dbg(DBG_DEVSTART, "device unplugged");
5002 if (urb)
5003 at76_dbg(DBG_DEVSTART, "urb status %d", urb->status);
5004 return;
5005 }
2135 5006
2136 key->hw_key_idx = key->keyidx; 5007 if (!priv->rx_skb || !netdev || !priv->rx_skb->data)
5008 return;
2137 5009
2138 mutex_lock(&priv->mtx); 5010 buf = (struct at76_rx_buffer *)priv->rx_skb->data;
2139 5011
2140 switch (cmd) { 5012 i802_11_hdr = (struct ieee80211_hdr_3addr *)buf->packet;
2141 case SET_KEY:
2142 memcpy(priv->wep_keys[key->keyidx], key->key, key->keylen);
2143 priv->wep_keys_len[key->keyidx] = key->keylen;
2144 5013
2145 /* FIXME: find out how to do this properly */ 5014 frame_ctl = le16_to_cpu(i802_11_hdr->frame_ctl);
2146 priv->wep_key_id = key->keyidx;
2147 5015
2148 break; 5016 if (urb->status != 0) {
2149 case DISABLE_KEY: 5017 if (urb->status != -ENOENT && urb->status != -ECONNRESET)
2150 default: 5018 at76_dbg(DBG_URB,
2151 priv->wep_keys_len[key->keyidx] = 0; 5019 "%s %s: - nonzero Rx bulk status received: %d",
2152 break; 5020 __func__, netdev->name, urb->status);
5021 return;
2153 } 5022 }
2154 5023
2155 priv->wep_enabled = 0; 5024 at76_dbg(DBG_RX_ATMEL_HDR,
5025 "%s: rx frame: rate %d rssi %d noise %d link %d %s",
5026 priv->netdev->name, buf->rx_rate, buf->rssi, buf->noise_level,
5027 buf->link_quality, hex2str(i802_11_hdr, 48));
5028 if (priv->iw_mode == IW_MODE_MONITOR) {
5029 at76_rx_monitor_mode(priv);
5030 goto exit;
5031 }
2156 5032
2157 for (i = 0; i < WEP_KEYS; i++) { 5033 /* there is a new bssid around, accept it: */
2158 if (priv->wep_keys_len[i] != 0) 5034 if (buf->newbss && priv->iw_mode == IW_MODE_ADHOC) {
2159 priv->wep_enabled = 1; 5035 at76_dbg(DBG_PROGRESS, "%s: rx newbss", netdev->name);
5036 schedule_work(&priv->work_new_bss);
2160 } 5037 }
2161 5038
2162 at76_startup_device(priv); 5039 switch (frame_ctl & IEEE80211_FCTL_FTYPE) {
5040 case IEEE80211_FTYPE_DATA:
5041 at76_rx_data(priv);
5042 break;
2163 5043
2164 mutex_unlock(&priv->mtx); 5044 case IEEE80211_FTYPE_MGMT:
5045 /* jal: TODO: find out if we can update iwspy also on
5046 other frames than management (might depend on the
5047 radio chip / firmware version !) */
2165 5048
2166 return 0; 5049 at76_iwspy_update(priv, buf);
2167}
2168 5050
2169static int at76_set_key_newfw(struct ieee80211_hw *hw, enum set_key_cmd cmd, 5051 at76_rx_mgmt(priv, buf);
2170 const u8 *local_address, const u8 *address, 5052 break;
2171 struct ieee80211_key_conf *key)
2172{
2173 struct at76_priv *priv = hw->priv;
2174 int ret = -EOPNOTSUPP;
2175
2176 at76_dbg(DBG_MAC80211, "%s(): cmd %d key->alg %d key->keyidx %d "
2177 "key->keylen %d",
2178 __func__, cmd, key->alg, key->keyidx, key->keylen);
2179 5053
2180 mutex_lock(&priv->mtx); 5054 case IEEE80211_FTYPE_CTL:
5055 at76_dbg(DBG_RX_CTRL, "%s: ignored ctrl frame: %04x",
5056 priv->netdev->name, frame_ctl);
5057 break;
2181 5058
2182 priv->mib_buf.type = MIB_MAC_ENCRYPTION; 5059 default:
5060 printk(KERN_DEBUG "%s: ignoring frame with framectl 0x%04x\n",
5061 priv->netdev->name, frame_ctl);
5062 }
5063exit:
5064 at76_submit_rx_urb(priv);
5065}
2183 5066
2184 if (cmd == DISABLE_KEY) { 5067/* Load firmware into kernel memory and parse it */
2185 priv->mib_buf.size = CIPHER_KEY_LEN; 5068static struct fwentry *at76_load_firmware(struct usb_device *udev,
2186 priv->mib_buf.index = offsetof(struct mib_mac_encryption, 5069 enum board_type board_type)
2187 cipher_default_keyvalue[key->keyidx]); 5070{
2188 memset(priv->mib_buf.data.data, 0, CIPHER_KEY_LEN); 5071 int ret;
2189 if (at76_set_mib(priv, &priv->mib_buf) != CMD_STATUS_COMPLETE) 5072 char *str;
2190 ret = -EOPNOTSUPP; /* -EIO would be probably better */ 5073 struct at76_fw_header *fwh;
2191 else { 5074 struct fwentry *fwe = &firmwares[board_type];
2192 5075
2193 priv->keys[key->keyidx].cipher = CIPHER_NONE; 5076 mutex_lock(&fw_mutex);
2194 priv->keys[key->keyidx].keylen = 0;
2195 };
2196 if (priv->default_group_key == key->keyidx)
2197 priv->default_group_key = 0xff;
2198 5077
2199 if (priv->default_pairwise_key == key->keyidx) 5078 if (fwe->loaded) {
2200 priv->default_pairwise_key = 0xff; 5079 at76_dbg(DBG_FW, "re-using previously loaded fw");
2201 /* If default pairwise key is removed, fall back to
2202 * group key? */
2203 ret = 0;
2204 goto exit; 5080 goto exit;
2205 }; 5081 }
2206
2207 if (cmd == SET_KEY) {
2208 /* store key into MIB */
2209 priv->mib_buf.size = CIPHER_KEY_LEN;
2210 priv->mib_buf.index = offsetof(struct mib_mac_encryption,
2211 cipher_default_keyvalue[key->keyidx]);
2212 memset(priv->mib_buf.data.data, 0, CIPHER_KEY_LEN);
2213 memcpy(priv->mib_buf.data.data, key->key, key->keylen);
2214
2215 switch (key->alg) {
2216 case ALG_WEP:
2217 if (key->keylen == 5) {
2218 priv->keys[key->keyidx].cipher =
2219 CIPHER_WEP64;
2220 priv->keys[key->keyidx].keylen = 8;
2221 } else if (key->keylen == 13) {
2222 priv->keys[key->keyidx].cipher =
2223 CIPHER_WEP128;
2224 /* Firmware needs this */
2225 priv->keys[key->keyidx].keylen = 8;
2226 } else {
2227 ret = -EOPNOTSUPP;
2228 goto exit;
2229 };
2230 break;
2231 case ALG_TKIP:
2232 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
2233 priv->keys[key->keyidx].cipher = CIPHER_TKIP;
2234 priv->keys[key->keyidx].keylen = 12;
2235 break;
2236 5082
2237 case ALG_CCMP: 5083 at76_dbg(DBG_FW, "downloading firmware %s", fwe->fwname);
2238 if (!at76_is_505a(priv->board_type)) { 5084 ret = request_firmware(&fwe->fw, fwe->fwname, &udev->dev);
2239 ret = -EOPNOTSUPP; 5085 if (ret < 0) {
2240 goto exit; 5086 dev_printk(KERN_ERR, &udev->dev, "firmware %s not found!\n",
2241 }; 5087 fwe->fwname);
2242 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 5088 dev_printk(KERN_ERR, &udev->dev,
2243 priv->keys[key->keyidx].cipher = CIPHER_CCMP; 5089 "you may need to download the firmware from "
2244 priv->keys[key->keyidx].keylen = 16; 5090 "http://developer.berlios.de/projects/at76c503a/");
2245 break; 5091 goto exit;
5092 }
2246 5093
2247 default: 5094 at76_dbg(DBG_FW, "got it.");
2248 ret = -EOPNOTSUPP; 5095 fwh = (struct at76_fw_header *)(fwe->fw->data);
2249 goto exit;
2250 };
2251
2252 priv->mib_buf.data.data[38] = priv->keys[key->keyidx].cipher;
2253 priv->mib_buf.data.data[39] = 1; /* Taken from atmelwlandriver,
2254 not documented */
2255
2256 if (is_valid_ether_addr(address))
2257 /* Pairwise key */
2258 priv->mib_buf.data.data[39] |= (KEY_PAIRWISE | KEY_TX);
2259 else if (is_broadcast_ether_addr(address))
2260 /* Group key */
2261 priv->mib_buf.data.data[39] |= (KEY_TX);
2262 else /* Key used only for transmission ??? */
2263 priv->mib_buf.data.data[39] |= (KEY_TX);
2264
2265 if (at76_set_mib(priv, &priv->mib_buf) !=
2266 CMD_STATUS_COMPLETE) {
2267 ret = -EOPNOTSUPP; /* -EIO would be probably better */
2268 goto exit;
2269 };
2270 5096
2271 if ((key->alg == ALG_TKIP) || (key->alg == ALG_CCMP)) 5097 if (fwe->fw->size <= sizeof(*fwh)) {
2272 at76_reset_rsc(priv); 5098 dev_printk(KERN_ERR, &udev->dev,
5099 "firmware is too short (0x%zx)\n", fwe->fw->size);
5100 goto exit;
5101 }
2273 5102
2274 key->hw_key_idx = key->keyidx; 5103 /* CRC currently not checked */
5104 fwe->board_type = le32_to_cpu(fwh->board_type);
5105 if (fwe->board_type != board_type) {
5106 dev_printk(KERN_ERR, &udev->dev,
5107 "board type mismatch, requested %u, got %u\n",
5108 board_type, fwe->board_type);
5109 goto exit;
5110 }
2275 5111
2276 /* Set up default keys */ 5112 fwe->fw_version.major = fwh->major;
2277 if (is_broadcast_ether_addr(address)) 5113 fwe->fw_version.minor = fwh->minor;
2278 priv->default_group_key = key->keyidx; 5114 fwe->fw_version.patch = fwh->patch;
2279 if (is_valid_ether_addr(address)) 5115 fwe->fw_version.build = fwh->build;
2280 priv->default_pairwise_key = key->keyidx;
2281 5116
2282 /* Set up encryption MIBs */ 5117 str = (char *)fwh + le32_to_cpu(fwh->str_offset);
5118 fwe->intfw = (u8 *)fwh + le32_to_cpu(fwh->int_fw_offset);
5119 fwe->intfw_size = le32_to_cpu(fwh->int_fw_len);
5120 fwe->extfw = (u8 *)fwh + le32_to_cpu(fwh->ext_fw_offset);
5121 fwe->extfw_size = le32_to_cpu(fwh->ext_fw_len);
2283 5122
2284 /* first block of settings */ 5123 fwe->loaded = 1;
2285 priv->mib_buf.size = 3;
2286 priv->mib_buf.index = offsetof(struct mib_mac_encryption,
2287 privacy_invoked);
2288 priv->mib_buf.data.data[0] = 1; /* privacy_invoked */
2289 priv->mib_buf.data.data[1] = priv->default_pairwise_key;
2290 priv->mib_buf.data.data[2] = priv->default_group_key;
2291 5124
2292 ret = at76_set_mib(priv, &priv->mib_buf); 5125 dev_printk(KERN_DEBUG, &udev->dev,
2293 if (ret != CMD_STATUS_COMPLETE) 5126 "using firmware %s (version %d.%d.%d-%d)\n",
2294 goto exit; 5127 fwe->fwname, fwh->major, fwh->minor, fwh->patch, fwh->build);
2295 5128
2296 /* second block of settings */ 5129 at76_dbg(DBG_DEVSTART, "board %u, int %d:%d, ext %d:%d", board_type,
2297 priv->mib_buf.size = 3; 5130 le32_to_cpu(fwh->int_fw_offset), le32_to_cpu(fwh->int_fw_len),
2298 priv->mib_buf.index = offsetof(struct mib_mac_encryption, 5131 le32_to_cpu(fwh->ext_fw_offset), le32_to_cpu(fwh->ext_fw_len));
2299 exclude_unencrypted); 5132 at76_dbg(DBG_DEVSTART, "firmware id %s", str);
2300 priv->mib_buf.data.data[0] = 1; /* exclude_unencrypted */
2301 priv->mib_buf.data.data[1] = 0; /* wep_encryption_type */
2302 priv->mib_buf.data.data[2] = 0; /* ckip_key_permutation */
2303 5133
2304 ret = at76_set_mib(priv, &priv->mib_buf);
2305 if (ret != CMD_STATUS_COMPLETE)
2306 goto exit;
2307 ret = 0;
2308 };
2309exit: 5134exit:
2310 at76_dump_mib_mac_encryption(priv); 5135 mutex_unlock(&fw_mutex);
2311 mutex_unlock(&priv->mtx);
2312 return ret;
2313}
2314
2315static int at76_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
2316 const u8 *local_address, const u8 *address,
2317 struct ieee80211_key_conf *key)
2318{
2319 struct at76_priv *priv = hw->priv;
2320
2321 at76_dbg(DBG_MAC80211, "%s(): cmd %d key->alg %d key->keyidx %d "
2322 "key->keylen %d",
2323 __func__, cmd, key->alg, key->keyidx, key->keylen);
2324 5136
2325 if (FIRMWARE_IS_WPA(priv->fw_version)) 5137 if (fwe->loaded)
2326 return at76_set_key_newfw(hw, cmd, local_address, address, key); 5138 return fwe;
2327 else 5139 else
2328 return at76_set_key_oldfw(hw, cmd, local_address, address, key); 5140 return NULL;
2329
2330} 5141}
2331 5142
2332static const struct ieee80211_ops at76_ops = {
2333 .tx = at76_mac80211_tx,
2334 .add_interface = at76_add_interface,
2335 .remove_interface = at76_remove_interface,
2336 .config = at76_config,
2337 .config_interface = at76_config_interface,
2338 .configure_filter = at76_configure_filter,
2339 .start = at76_mac80211_start,
2340 .stop = at76_mac80211_stop,
2341 .hw_scan = at76_hw_scan,
2342 .set_key = at76_set_key,
2343};
2344
2345/* Allocate network device and initialize private data */ 5143/* Allocate network device and initialize private data */
2346static struct at76_priv *at76_alloc_new_device(struct usb_device *udev) 5144static struct at76_priv *at76_alloc_new_device(struct usb_device *udev)
2347{ 5145{
2348 struct ieee80211_hw *hw; 5146 struct net_device *netdev;
2349 struct at76_priv *priv; 5147 struct at76_priv *priv;
5148 int i;
2350 5149
2351 hw = ieee80211_alloc_hw(sizeof(struct at76_priv), &at76_ops); 5150 /* allocate memory for our device state and initialize it */
2352 if (!hw) { 5151 netdev = alloc_etherdev(sizeof(struct at76_priv));
2353 printk(KERN_ERR DRIVER_NAME ": could not register" 5152 if (!netdev) {
2354 " ieee80211_hw\n"); 5153 dev_printk(KERN_ERR, &udev->dev, "out of memory\n");
2355 return NULL; 5154 return NULL;
2356 } 5155 }
2357 5156
2358 priv = hw->priv; 5157 priv = netdev_priv(netdev);
2359 priv->hw = hw;
2360 5158
2361 priv->udev = udev; 5159 priv->udev = udev;
5160 priv->netdev = netdev;
2362 5161
2363 mutex_init(&priv->mtx); 5162 mutex_init(&priv->mtx);
5163 INIT_WORK(&priv->work_assoc_done, at76_work_assoc_done);
5164 INIT_WORK(&priv->work_join, at76_work_join);
5165 INIT_WORK(&priv->work_new_bss, at76_work_new_bss);
5166 INIT_WORK(&priv->work_start_scan, at76_work_start_scan);
2364 INIT_WORK(&priv->work_set_promisc, at76_work_set_promisc); 5167 INIT_WORK(&priv->work_set_promisc, at76_work_set_promisc);
2365 INIT_WORK(&priv->work_submit_rx, at76_work_submit_rx); 5168 INIT_WORK(&priv->work_submit_rx, at76_work_submit_rx);
2366 INIT_DELAYED_WORK(&priv->dwork_hw_scan, at76_dwork_hw_scan); 5169 INIT_DELAYED_WORK(&priv->dwork_restart, at76_dwork_restart);
5170 INIT_DELAYED_WORK(&priv->dwork_get_scan, at76_dwork_get_scan);
5171 INIT_DELAYED_WORK(&priv->dwork_beacon, at76_dwork_beacon);
5172 INIT_DELAYED_WORK(&priv->dwork_auth, at76_dwork_auth);
5173 INIT_DELAYED_WORK(&priv->dwork_assoc, at76_dwork_assoc);
5174
5175 spin_lock_init(&priv->mgmt_spinlock);
5176 priv->next_mgmt_bulk = NULL;
5177 priv->mac_state = MAC_INIT;
5178
5179 /* initialize empty BSS list */
5180 priv->curr_bss = NULL;
5181 INIT_LIST_HEAD(&priv->bss_list);
5182 spin_lock_init(&priv->bss_list_spinlock);
5183
5184 init_timer(&priv->bss_list_timer);
5185 priv->bss_list_timer.data = (unsigned long)priv;
5186 priv->bss_list_timer.function = at76_bss_list_timeout;
5187
5188 spin_lock_init(&priv->spy_spinlock);
5189
5190 /* mark all rx data entries as unused */
5191 for (i = 0; i < NR_RX_DATA_BUF; i++)
5192 priv->rx_data[i].skb = NULL;
2367 5193
2368 priv->rx_tasklet.func = at76_rx_tasklet; 5194 priv->rx_tasklet.func = at76_rx_tasklet;
2369 priv->rx_tasklet.data = 0; 5195 priv->rx_tasklet.data = 0;
@@ -2371,9 +5197,6 @@ static struct at76_priv *at76_alloc_new_device(struct usb_device *udev)
2371 priv->pm_mode = AT76_PM_OFF; 5197 priv->pm_mode = AT76_PM_OFF;
2372 priv->pm_period = 0; 5198 priv->pm_period = 0;
2373 5199
2374 /* unit us */
2375 priv->hw->channel_change_time = 100000;
2376
2377 return priv; 5200 return priv;
2378} 5201}
2379 5202
@@ -2436,42 +5259,11 @@ static int at76_alloc_urbs(struct at76_priv *priv,
2436 return 0; 5259 return 0;
2437} 5260}
2438 5261
2439static struct ieee80211_rate at76_rates[] = {
2440 { .bitrate = 10, .hw_value = TX_RATE_1MBIT, },
2441 { .bitrate = 20, .hw_value = TX_RATE_2MBIT, },
2442 { .bitrate = 55, .hw_value = TX_RATE_5_5MBIT, },
2443 { .bitrate = 110, .hw_value = TX_RATE_11MBIT, },
2444};
2445
2446static struct ieee80211_channel at76_channels[] = {
2447 { .center_freq = 2412, .hw_value = 1 },
2448 { .center_freq = 2417, .hw_value = 2 },
2449 { .center_freq = 2422, .hw_value = 3 },
2450 { .center_freq = 2427, .hw_value = 4 },
2451 { .center_freq = 2432, .hw_value = 5 },
2452 { .center_freq = 2437, .hw_value = 6 },
2453 { .center_freq = 2442, .hw_value = 7 },
2454 { .center_freq = 2447, .hw_value = 8 },
2455 { .center_freq = 2452, .hw_value = 9 },
2456 { .center_freq = 2457, .hw_value = 10 },
2457 { .center_freq = 2462, .hw_value = 11 },
2458 { .center_freq = 2467, .hw_value = 12 },
2459 { .center_freq = 2472, .hw_value = 13 },
2460 { .center_freq = 2484, .hw_value = 14 }
2461};
2462
2463static struct ieee80211_supported_band at76_supported_band = {
2464 .channels = at76_channels,
2465 .n_channels = ARRAY_SIZE(at76_channels),
2466 .bitrates = at76_rates,
2467 .n_bitrates = ARRAY_SIZE(at76_rates),
2468};
2469
2470/* Register network device and initialize the hardware */ 5262/* Register network device and initialize the hardware */
2471static int at76_init_new_device(struct at76_priv *priv, 5263static int at76_init_new_device(struct at76_priv *priv,
2472 struct usb_interface *interface) 5264 struct usb_interface *interface)
2473{ 5265{
2474 struct device *dev = &interface->dev; 5266 struct net_device *netdev = priv->netdev;
2475 int ret; 5267 int ret;
2476 5268
2477 /* set up the endpoint information */ 5269 /* set up the endpoint information */
@@ -2487,11 +5279,14 @@ static int at76_init_new_device(struct at76_priv *priv,
2487 /* MAC address */ 5279 /* MAC address */
2488 ret = at76_get_hw_config(priv); 5280 ret = at76_get_hw_config(priv);
2489 if (ret < 0) { 5281 if (ret < 0) {
2490 dev_err(dev, "cannot get MAC address\n"); 5282 dev_printk(KERN_ERR, &interface->dev,
5283 "cannot get MAC address\n");
2491 goto exit; 5284 goto exit;
2492 } 5285 }
2493 5286
2494 priv->domain = at76_get_reg_domain(priv->regulatory_domain); 5287 priv->domain = at76_get_reg_domain(priv->regulatory_domain);
5288 /* init. netdev->dev_addr */
5289 memcpy(netdev->dev_addr, priv->mac_addr, ETH_ALEN);
2495 5290
2496 priv->channel = DEF_CHANNEL; 5291 priv->channel = DEF_CHANNEL;
2497 priv->iw_mode = IW_MODE_INFRA; 5292 priv->iw_mode = IW_MODE_INFRA;
@@ -2501,54 +5296,47 @@ static int at76_init_new_device(struct at76_priv *priv,
2501 priv->txrate = TX_RATE_AUTO; 5296 priv->txrate = TX_RATE_AUTO;
2502 priv->preamble_type = PREAMBLE_TYPE_LONG; 5297 priv->preamble_type = PREAMBLE_TYPE_LONG;
2503 priv->beacon_period = 100; 5298 priv->beacon_period = 100;
5299 priv->beacons_last_qual = jiffies;
2504 priv->auth_mode = WLAN_AUTH_OPEN; 5300 priv->auth_mode = WLAN_AUTH_OPEN;
2505 priv->scan_min_time = DEF_SCAN_MIN_TIME; 5301 priv->scan_min_time = DEF_SCAN_MIN_TIME;
2506 priv->scan_max_time = DEF_SCAN_MAX_TIME; 5302 priv->scan_max_time = DEF_SCAN_MAX_TIME;
2507 priv->scan_mode = SCAN_TYPE_ACTIVE; 5303 priv->scan_mode = SCAN_TYPE_ACTIVE;
2508 priv->default_pairwise_key = 0xff;
2509 priv->default_group_key = 0xff;
2510
2511 /* mac80211 initialisation */
2512 priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &at76_supported_band;
2513 5304
2514 if (FIRMWARE_IS_WPA(priv->fw_version) && 5305 netdev->flags &= ~IFF_MULTICAST; /* not yet or never */
2515 (at76_is_503rfmd(priv->board_type) || 5306 netdev->open = at76_open;
2516 at76_is_505(priv->board_type))) 5307 netdev->stop = at76_stop;
2517 priv->hw->flags = IEEE80211_HW_SIGNAL_UNSPEC; 5308 netdev->get_stats = at76_get_stats;
2518 else 5309 netdev->ethtool_ops = &at76_ethtool_ops;
2519 priv->hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | 5310
2520 IEEE80211_HW_SIGNAL_UNSPEC; 5311 /* Add pointers to enable iwspy support. */
2521 5312 priv->wireless_data.spy_data = &priv->spy_data;
2522 priv->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 5313 netdev->wireless_data = &priv->wireless_data;
2523 5314
2524 SET_IEEE80211_DEV(priv->hw, &interface->dev); 5315 netdev->hard_start_xmit = at76_tx;
2525 SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr); 5316 netdev->tx_timeout = at76_tx_timeout;
2526 5317 netdev->watchdog_timeo = 2 * HZ;
2527 ret = ieee80211_register_hw(priv->hw); 5318 netdev->wireless_handlers = &at76_handler_def;
5319 netdev->set_multicast_list = at76_set_multicast;
5320 netdev->set_mac_address = at76_set_mac_address;
5321 dev_alloc_name(netdev, "wlan%d");
5322
5323 ret = register_netdev(priv->netdev);
2528 if (ret) { 5324 if (ret) {
2529 dev_err(dev, "cannot register mac80211 hw (status %d)!\n", ret); 5325 dev_printk(KERN_ERR, &interface->dev,
5326 "cannot register netdevice (status %d)!\n", ret);
2530 goto exit; 5327 goto exit;
2531 } 5328 }
5329 priv->netdev_registered = 1;
2532 5330
2533 priv->mac80211_registered = 1; 5331 printk(KERN_INFO "%s: USB %s, MAC %s, firmware %d.%d.%d-%d\n",
5332 netdev->name, dev_name(&interface->dev), mac2str(priv->mac_addr),
5333 priv->fw_version.major, priv->fw_version.minor,
5334 priv->fw_version.patch, priv->fw_version.build);
5335 printk(KERN_INFO "%s: regulatory domain 0x%02x: %s\n", netdev->name,
5336 priv->regulatory_domain, priv->domain->name);
2534 5337
2535 dev_info(dev, "%s: USB %s, MAC %s, firmware %d.%d.%d-%d\n", 5338 /* we let this timer run the whole time this driver instance lives */
2536 wiphy_name(priv->hw->wiphy), 5339 mod_timer(&priv->bss_list_timer, jiffies + BSS_LIST_TIMEOUT);
2537 dev_name(&interface->dev), mac2str(priv->mac_addr),
2538 priv->fw_version.major, priv->fw_version.minor,
2539 priv->fw_version.patch, priv->fw_version.build);
2540 dev_info(dev, "%s: regulatory domain 0x%02x: %s\n",
2541 wiphy_name(priv->hw->wiphy),
2542 priv->regulatory_domain, priv->domain->name);
2543 dev_info(dev, "%s: WPA support: ", wiphy_name(priv->hw->wiphy));
2544 if (!FIRMWARE_IS_WPA(priv->fw_version))
2545 printk("none\n");
2546 else {
2547 if (!at76_is_505a(priv->board_type))
2548 printk("TKIP\n");
2549 else
2550 printk("TKIP, AES/CCMP\n");
2551 };
2552 5340
2553exit: 5341exit:
2554 return ret; 5342 return ret;
@@ -2556,13 +5344,15 @@ exit:
2556 5344
2557static void at76_delete_device(struct at76_priv *priv) 5345static void at76_delete_device(struct at76_priv *priv)
2558{ 5346{
5347 int i;
5348
2559 at76_dbg(DBG_PROC_ENTRY, "%s: ENTER", __func__); 5349 at76_dbg(DBG_PROC_ENTRY, "%s: ENTER", __func__);
2560 5350
2561 /* The device is gone, don't bother turning it off */ 5351 /* The device is gone, don't bother turning it off */
2562 priv->device_unplugged = 1; 5352 priv->device_unplugged = 1;
2563 5353
2564 if (priv->mac80211_registered) 5354 if (priv->netdev_registered)
2565 ieee80211_unregister_hw(priv->hw); 5355 unregister_netdev(priv->netdev);
2566 5356
2567 /* assuming we used keventd, it must quiesce too */ 5357 /* assuming we used keventd, it must quiesce too */
2568 flush_scheduled_work(); 5358 flush_scheduled_work();
@@ -2583,11 +5373,25 @@ static void at76_delete_device(struct at76_priv *priv)
2583 if (priv->rx_skb) 5373 if (priv->rx_skb)
2584 kfree_skb(priv->rx_skb); 5374 kfree_skb(priv->rx_skb);
2585 5375
5376 at76_free_bss_list(priv);
5377 del_timer_sync(&priv->bss_list_timer);
5378 cancel_delayed_work(&priv->dwork_get_scan);
5379 cancel_delayed_work(&priv->dwork_beacon);
5380 cancel_delayed_work(&priv->dwork_auth);
5381 cancel_delayed_work(&priv->dwork_assoc);
5382
5383 if (priv->mac_state == MAC_CONNECTED)
5384 at76_iwevent_bss_disconnect(priv->netdev);
5385
5386 for (i = 0; i < NR_RX_DATA_BUF; i++)
5387 if (priv->rx_data[i].skb) {
5388 dev_kfree_skb(priv->rx_data[i].skb);
5389 priv->rx_data[i].skb = NULL;
5390 }
2586 usb_put_dev(priv->udev); 5391 usb_put_dev(priv->udev);
2587 5392
2588 at76_dbg(DBG_PROC_ENTRY, "%s: before freeing priv/ieee80211_hw", 5393 at76_dbg(DBG_PROC_ENTRY, "%s: before freeing priv/netdev", __func__);
2589 __func__); 5394 free_netdev(priv->netdev); /* priv is in netdev */
2590 ieee80211_free_hw(priv->hw);
2591 5395
2592 at76_dbg(DBG_PROC_ENTRY, "%s: EXIT", __func__); 5396 at76_dbg(DBG_PROC_ENTRY, "%s: EXIT", __func__);
2593} 5397}
@@ -2621,8 +5425,8 @@ static int at76_probe(struct usb_interface *interface,
2621 we get 204 with 2.4.23, Fiberline FL-WL240u (505A+RFMD2958) ??? */ 5425 we get 204 with 2.4.23, Fiberline FL-WL240u (505A+RFMD2958) ??? */
2622 5426
2623 if (op_mode == OPMODE_HW_CONFIG_MODE) { 5427 if (op_mode == OPMODE_HW_CONFIG_MODE) {
2624 dev_err(&interface->dev, 5428 dev_printk(KERN_ERR, &interface->dev,
2625 "cannot handle a device in HW_CONFIG_MODE\n"); 5429 "cannot handle a device in HW_CONFIG_MODE\n");
2626 ret = -EBUSY; 5430 ret = -EBUSY;
2627 goto error; 5431 goto error;
2628 } 5432 }
@@ -2630,12 +5434,13 @@ static int at76_probe(struct usb_interface *interface,
2630 if (op_mode != OPMODE_NORMAL_NIC_WITH_FLASH 5434 if (op_mode != OPMODE_NORMAL_NIC_WITH_FLASH
2631 && op_mode != OPMODE_NORMAL_NIC_WITHOUT_FLASH) { 5435 && op_mode != OPMODE_NORMAL_NIC_WITHOUT_FLASH) {
2632 /* download internal firmware part */ 5436 /* download internal firmware part */
2633 dev_dbg(&interface->dev, "downloading internal firmware\n"); 5437 dev_printk(KERN_DEBUG, &interface->dev,
5438 "downloading internal firmware\n");
2634 ret = at76_load_internal_fw(udev, fwe); 5439 ret = at76_load_internal_fw(udev, fwe);
2635 if (ret < 0) { 5440 if (ret < 0) {
2636 dev_err(&interface->dev, 5441 dev_printk(KERN_ERR, &interface->dev,
2637 "error %d downloading internal firmware\n", 5442 "error %d downloading internal firmware\n",
2638 ret); 5443 ret);
2639 goto error; 5444 goto error;
2640 } 5445 }
2641 usb_put_dev(udev); 5446 usb_put_dev(udev);
@@ -2660,7 +5465,8 @@ static int at76_probe(struct usb_interface *interface,
2660 need_ext_fw = 1; 5465 need_ext_fw = 1;
2661 5466
2662 if (need_ext_fw) { 5467 if (need_ext_fw) {
2663 dev_dbg(&interface->dev, "downloading external firmware\n"); 5468 dev_printk(KERN_DEBUG, &interface->dev,
5469 "downloading external firmware\n");
2664 5470
2665 ret = at76_load_external_fw(udev, fwe); 5471 ret = at76_load_external_fw(udev, fwe);
2666 if (ret) 5472 if (ret)
@@ -2669,8 +5475,8 @@ static int at76_probe(struct usb_interface *interface,
2669 /* Re-check firmware version */ 5475 /* Re-check firmware version */
2670 ret = at76_get_mib(udev, MIB_FW_VERSION, &fwv, sizeof(fwv)); 5476 ret = at76_get_mib(udev, MIB_FW_VERSION, &fwv, sizeof(fwv));
2671 if (ret < 0) { 5477 if (ret < 0) {
2672 dev_err(&interface->dev, 5478 dev_printk(KERN_ERR, &interface->dev,
2673 "error %d getting firmware version\n", ret); 5479 "error %d getting firmware version\n", ret);
2674 goto error; 5480 goto error;
2675 } 5481 }
2676 } 5482 }
@@ -2681,6 +5487,7 @@ static int at76_probe(struct usb_interface *interface,
2681 goto error; 5487 goto error;
2682 } 5488 }
2683 5489
5490 SET_NETDEV_DEV(priv->netdev, &interface->dev);
2684 usb_set_intfdata(interface, priv); 5491 usb_set_intfdata(interface, priv);
2685 5492
2686 memcpy(&priv->fw_version, &fwv, sizeof(struct mib_fw_version)); 5493 memcpy(&priv->fw_version, &fwv, sizeof(struct mib_fw_version));
@@ -2708,7 +5515,7 @@ static void at76_disconnect(struct usb_interface *interface)
2708 if (!priv) 5515 if (!priv)
2709 return; 5516 return;
2710 5517
2711 printk(KERN_INFO "%s: disconnecting\n", wiphy_name(priv->hw->wiphy)); 5518 printk(KERN_INFO "%s: disconnecting\n", priv->netdev->name);
2712 at76_delete_device(priv); 5519 at76_delete_device(priv);
2713 dev_printk(KERN_INFO, &interface->dev, "disconnected\n"); 5520 dev_printk(KERN_INFO, &interface->dev, "disconnected\n");
2714} 5521}
@@ -2764,8 +5571,5 @@ MODULE_AUTHOR("Alex <alex@foogod.com>");
2764MODULE_AUTHOR("Nick Jones"); 5571MODULE_AUTHOR("Nick Jones");
2765MODULE_AUTHOR("Balint Seeber <n0_5p4m_p13453@hotmail.com>"); 5572MODULE_AUTHOR("Balint Seeber <n0_5p4m_p13453@hotmail.com>");
2766MODULE_AUTHOR("Pavel Roskin <proski@gnu.org>"); 5573MODULE_AUTHOR("Pavel Roskin <proski@gnu.org>");
2767MODULE_AUTHOR("Guido Guenther <agx@sigxcpu.org>");
2768MODULE_AUTHOR("Kalle Valo <kalle.valo@iki.fi>");
2769MODULE_AUTHOR("Milan Plzik <milan.plzik@gmail.com>");
2770MODULE_DESCRIPTION(DRIVER_DESC); 5574MODULE_DESCRIPTION(DRIVER_DESC);
2771MODULE_LICENSE("GPL"); 5575MODULE_LICENSE("GPL");
diff --git a/drivers/staging/at76_usb/at76_usb.h b/drivers/staging/at76_usb/at76_usb.h
index 8bb352f16d45..b20be9da1fa1 100644
--- a/drivers/staging/at76_usb/at76_usb.h
+++ b/drivers/staging/at76_usb/at76_usb.h
@@ -34,6 +34,23 @@ enum board_type {
34 BOARD_505AMX = 8 34 BOARD_505AMX = 8
35}; 35};
36 36
37/* our private ioctl's */
38/* preamble length (0 - long, 1 - short, 2 - auto) */
39#define AT76_SET_SHORT_PREAMBLE (SIOCIWFIRSTPRIV + 0)
40#define AT76_GET_SHORT_PREAMBLE (SIOCIWFIRSTPRIV + 1)
41/* which debug channels are enabled */
42#define AT76_SET_DEBUG (SIOCIWFIRSTPRIV + 2)
43#define AT76_GET_DEBUG (SIOCIWFIRSTPRIV + 3)
44/* power save mode (incl. the Atmel proprietary smart save mode) */
45#define AT76_SET_POWERSAVE_MODE (SIOCIWFIRSTPRIV + 4)
46#define AT76_GET_POWERSAVE_MODE (SIOCIWFIRSTPRIV + 5)
47/* min and max channel times for scan */
48#define AT76_SET_SCAN_TIMES (SIOCIWFIRSTPRIV + 6)
49#define AT76_GET_SCAN_TIMES (SIOCIWFIRSTPRIV + 7)
50/* scan mode (0 - active, 1 - passive) */
51#define AT76_SET_SCAN_MODE (SIOCIWFIRSTPRIV + 8)
52#define AT76_GET_SCAN_MODE (SIOCIWFIRSTPRIV + 9)
53
37#define CMD_STATUS_IDLE 0x00 54#define CMD_STATUS_IDLE 0x00
38#define CMD_STATUS_COMPLETE 0x01 55#define CMD_STATUS_COMPLETE 0x01
39#define CMD_STATUS_UNKNOWN 0x02 56#define CMD_STATUS_UNKNOWN 0x02
@@ -65,7 +82,6 @@ enum board_type {
65#define MIB_MAC 0x03 82#define MIB_MAC 0x03
66#define MIB_MAC_MGMT 0x05 83#define MIB_MAC_MGMT 0x05
67#define MIB_MAC_WEP 0x06 84#define MIB_MAC_WEP 0x06
68#define MIB_MAC_ENCRYPTION 0x06
69#define MIB_PHY 0x07 85#define MIB_PHY 0x07
70#define MIB_FW_VERSION 0x08 86#define MIB_FW_VERSION 0x08
71#define MIB_MDOMAIN 0x09 87#define MIB_MDOMAIN 0x09
@@ -90,26 +106,6 @@ enum board_type {
90#define AT76_PM_ON 2 106#define AT76_PM_ON 2
91#define AT76_PM_SMART 3 107#define AT76_PM_SMART 3
92 108
93/* cipher values for encryption keys */
94#define CIPHER_NONE 0 /* this value is only guessed */
95#define CIPHER_WEP64 1
96#define CIPHER_TKIP 2
97#define CIPHER_CCMP 3
98#define CIPHER_CCX 4 /* for consistency sake only */
99#define CIPHER_WEP128 5
100
101/* bit flags key types for encryption keys */
102#define KEY_PAIRWISE 2
103#define KEY_TX 4
104
105#define CIPHER_KEYS (4)
106#define CIPHER_KEY_LEN (40)
107
108struct key_config {
109 u8 cipher;
110 u8 keylen;
111};
112
113struct hwcfg_r505 { 109struct hwcfg_r505 {
114 u8 cr39_values[14]; 110 u8 cr39_values[14];
115 u8 reserved1[14]; 111 u8 reserved1[14];
@@ -151,9 +147,6 @@ union at76_hwcfg {
151 147
152#define WEP_SMALL_KEY_LEN (40 / 8) 148#define WEP_SMALL_KEY_LEN (40 / 8)
153#define WEP_LARGE_KEY_LEN (104 / 8) 149#define WEP_LARGE_KEY_LEN (104 / 8)
154#define WEP_KEYS (4)
155
156
157 150
158struct at76_card_config { 151struct at76_card_config {
159 u8 exclude_unencrypted; 152 u8 exclude_unencrypted;
@@ -168,7 +161,7 @@ struct at76_card_config {
168 u8 privacy_invoked; 161 u8 privacy_invoked;
169 u8 wep_default_key_id; /* 0..3 */ 162 u8 wep_default_key_id; /* 0..3 */
170 u8 current_ssid[32]; 163 u8 current_ssid[32];
171 u8 wep_default_key_value[4][WEP_LARGE_KEY_LEN]; 164 u8 wep_default_key_value[4][WEP_KEY_LEN];
172 u8 ssid_len; 165 u8 ssid_len;
173 u8 short_preamble; 166 u8 short_preamble;
174 __le16 beacon_period; 167 __le16 beacon_period;
@@ -193,7 +186,7 @@ struct at76_rx_buffer {
193 u8 link_quality; 186 u8 link_quality;
194 u8 noise_level; 187 u8 noise_level;
195 __le32 rx_time; 188 __le32 rx_time;
196 u8 packet[IEEE80211_MAX_FRAG_THRESHOLD]; 189 u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN];
197} __attribute__((packed)); 190} __attribute__((packed));
198 191
199/* Length of Atmel-specific Tx header before 802.11 frame */ 192/* Length of Atmel-specific Tx header before 802.11 frame */
@@ -203,11 +196,8 @@ struct at76_tx_buffer {
203 __le16 wlength; 196 __le16 wlength;
204 u8 tx_rate; 197 u8 tx_rate;
205 u8 padding; 198 u8 padding;
206 u8 key_id; 199 u8 reserved[4];
207 u8 cipher_type; 200 u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN];
208 u8 cipher_length;
209 u8 reserved;
210 u8 packet[IEEE80211_MAX_FRAG_THRESHOLD];
211} __attribute__((packed)); 201} __attribute__((packed));
212 202
213/* defines for scan_type below */ 203/* defines for scan_type below */
@@ -254,7 +244,6 @@ struct set_mib_buffer {
254 u8 byte; 244 u8 byte;
255 __le16 word; 245 __le16 word;
256 u8 addr[ETH_ALEN]; 246 u8 addr[ETH_ALEN];
257 u8 data[256]; /* we need more space for mib_mac_encryption */
258 } data; 247 } data;
259} __attribute__((packed)); 248} __attribute__((packed));
260 249
@@ -328,24 +317,10 @@ struct mib_mac_wep {
328 u8 exclude_unencrypted; 317 u8 exclude_unencrypted;
329 __le32 wep_icv_error_count; 318 __le32 wep_icv_error_count;
330 __le32 wep_excluded_count; 319 __le32 wep_excluded_count;
331 u8 wep_default_keyvalue[WEP_KEYS][WEP_LARGE_KEY_LEN]; 320 u8 wep_default_keyvalue[WEP_KEYS][WEP_KEY_LEN];
332 u8 encryption_level; /* 1 for 40bit, 2 for 104bit encryption */ 321 u8 encryption_level; /* 1 for 40bit, 2 for 104bit encryption */
333} __attribute__((packed)); 322} __attribute__((packed));
334 323
335struct mib_mac_encryption {
336 u8 cipher_default_keyvalue[CIPHER_KEYS][CIPHER_KEY_LEN];
337 u8 tkip_bssid[6];
338 u8 privacy_invoked;
339 u8 cipher_default_key_id;
340 u8 cipher_default_group_key_id;
341 u8 exclude_unencrypted;
342 u8 wep_encryption_type;
343 u8 ckip_key_permutation; /* bool */
344 __le32 wep_icv_error_count;
345 __le32 wep_excluded_count;
346 u8 key_rsc[CIPHER_KEYS][8];
347} __attribute__((packed));
348
349struct mib_phy { 324struct mib_phy {
350 __le32 ed_threshold; 325 __le32 ed_threshold;
351 326
@@ -389,6 +364,16 @@ struct at76_fw_header {
389 __le32 ext_fw_len; /* external firmware image length */ 364 __le32 ext_fw_len; /* external firmware image length */
390} __attribute__((packed)); 365} __attribute__((packed));
391 366
367enum mac_state {
368 MAC_INIT,
369 MAC_SCANNING,
370 MAC_AUTH,
371 MAC_ASSOC,
372 MAC_JOINING,
373 MAC_CONNECTED,
374 MAC_OWN_IBSS
375};
376
392/* a description of a regulatory domain and the allowed channels */ 377/* a description of a regulatory domain and the allowed channels */
393struct reg_domain { 378struct reg_domain {
394 u16 code; 379 u16 code;
@@ -396,6 +381,47 @@ struct reg_domain {
396 u32 channel_map; /* if bit N is set, channel (N+1) is allowed */ 381 u32 channel_map; /* if bit N is set, channel (N+1) is allowed */
397}; 382};
398 383
384/* how long do we keep a (I)BSS in the bss_list in jiffies
385 this should be long enough for the user to retrieve the table
386 (by iwlist ?) after the device started, because all entries from
387 other channels than the one the device locks on get removed, too */
388#define BSS_LIST_TIMEOUT (120 * HZ)
389/* struct to store BSS info found during scan */
390#define BSS_LIST_MAX_RATE_LEN 32 /* 32 rates should be enough ... */
391
392struct bss_info {
393 struct list_head list;
394
395 u8 bssid[ETH_ALEN]; /* bssid */
396 u8 ssid[IW_ESSID_MAX_SIZE]; /* essid */
397 u8 ssid_len; /* length of ssid above */
398 u8 channel;
399 u16 capa; /* BSS capabilities */
400 u16 beacon_interval; /* beacon interval, Kus (1024 microseconds) */
401 u8 rates[BSS_LIST_MAX_RATE_LEN]; /* supported rates in units of
402 500 kbps, ORed with 0x80 for
403 basic rates */
404 u8 rates_len;
405
406 /* quality of received beacon */
407 u8 rssi;
408 u8 link_qual;
409 u8 noise_level;
410
411 unsigned long last_rx; /* time (jiffies) of last beacon received */
412};
413
414/* a rx data buffer to collect rx fragments */
415struct rx_data_buf {
416 u8 sender[ETH_ALEN]; /* sender address */
417 u16 seqnr; /* sequence number */
418 u16 fragnr; /* last fragment received */
419 unsigned long last_rx; /* jiffies of last rx */
420 struct sk_buff *skb; /* == NULL if entry is free */
421};
422
423#define NR_RX_DATA_BUF 8
424
399/* Data for one loaded firmware file */ 425/* Data for one loaded firmware file */
400struct fwentry { 426struct fwentry {
401 const char *const fwname; 427 const char *const fwname;
@@ -412,9 +438,11 @@ struct fwentry {
412 438
413struct at76_priv { 439struct at76_priv {
414 struct usb_device *udev; /* USB device pointer */ 440 struct usb_device *udev; /* USB device pointer */
441 struct net_device *netdev; /* net device pointer */
442 struct net_device_stats stats; /* net device stats */
443 struct iw_statistics wstats; /* wireless stats */
415 444
416 struct sk_buff *rx_skb; /* skbuff for receiving data */ 445 struct sk_buff *rx_skb; /* skbuff for receiving data */
417 struct sk_buff *tx_skb; /* skbuff for transmitting data */
418 void *bulk_out_buffer; /* buffer for sending data */ 446 void *bulk_out_buffer; /* buffer for sending data */
419 447
420 struct urb *tx_urb; /* URB for sending data */ 448 struct urb *tx_urb; /* URB for sending data */
@@ -426,17 +454,26 @@ struct at76_priv {
426 struct mutex mtx; /* locks this structure */ 454 struct mutex mtx; /* locks this structure */
427 455
428 /* work queues */ 456 /* work queues */
457 struct work_struct work_assoc_done;
458 struct work_struct work_join;
459 struct work_struct work_new_bss;
460 struct work_struct work_start_scan;
429 struct work_struct work_set_promisc; 461 struct work_struct work_set_promisc;
430 struct work_struct work_submit_rx; 462 struct work_struct work_submit_rx;
431 struct delayed_work dwork_hw_scan; 463 struct delayed_work dwork_restart;
464 struct delayed_work dwork_get_scan;
465 struct delayed_work dwork_beacon;
466 struct delayed_work dwork_auth;
467 struct delayed_work dwork_assoc;
432 468
433 struct tasklet_struct rx_tasklet; 469 struct tasklet_struct rx_tasklet;
434 470
435 /* the WEP stuff */ 471 /* the WEP stuff */
436 int wep_enabled; /* 1 if WEP is enabled */ 472 int wep_enabled; /* 1 if WEP is enabled */
437 int wep_key_id; /* key id to be used */ 473 int wep_key_id; /* key id to be used */
438 u8 wep_keys[WEP_KEYS][WEP_LARGE_KEY_LEN]; /* WEP keys */ 474 u8 wep_keys[WEP_KEYS][WEP_KEY_LEN]; /* the four WEP keys,
439 u8 wep_keys_len[WEP_KEYS]; /* length of WEP keys */ 475 5 or 13 bytes are used */
476 u8 wep_keys_len[WEP_KEYS]; /* the length of the above keys */
440 477
441 int channel; 478 int channel;
442 int iw_mode; 479 int iw_mode;
@@ -458,13 +495,44 @@ struct at76_priv {
458 int scan_mode; /* SCAN_TYPE_ACTIVE, SCAN_TYPE_PASSIVE */ 495 int scan_mode; /* SCAN_TYPE_ACTIVE, SCAN_TYPE_PASSIVE */
459 int scan_need_any; /* if set, need to scan for any ESSID */ 496 int scan_need_any; /* if set, need to scan for any ESSID */
460 497
498 /* the list we got from scanning */
499 spinlock_t bss_list_spinlock; /* protects bss_list operations */
500 struct list_head bss_list; /* list of BSS we got beacons from */
501 struct timer_list bss_list_timer; /* timer to purge old entries
502 from bss_list */
503 struct bss_info *curr_bss; /* current BSS */
461 u16 assoc_id; /* current association ID, if associated */ 504 u16 assoc_id; /* current association ID, if associated */
462 505
506 u8 wanted_bssid[ETH_ALEN];
507 int wanted_bssid_valid; /* != 0 if wanted_bssid is to be used */
508
509 /* some data for infrastructure mode only */
510 spinlock_t mgmt_spinlock; /* this spinlock protects access to
511 next_mgmt_bulk */
512
513 struct at76_tx_buffer *next_mgmt_bulk; /* pending management msg to
514 send via bulk out */
515 enum mac_state mac_state;
516 enum {
517 SCAN_IDLE,
518 SCAN_IN_PROGRESS,
519 SCAN_COMPLETED
520 } scan_state;
521 time_t last_scan;
522
523 int retries; /* remaining retries in case of timeout when
524 * sending AuthReq or AssocReq */
463 u8 pm_mode; /* power management mode */ 525 u8 pm_mode; /* power management mode */
464 u32 pm_period; /* power management period in microseconds */ 526 u32 pm_period; /* power management period in microseconds */
465 527
466 struct reg_domain const *domain; /* reg domain description */ 528 struct reg_domain const *domain; /* reg domain description */
467 529
530 /* iwspy support */
531 spinlock_t spy_spinlock;
532 struct iw_spy_data spy_data;
533
534 struct iw_public_data wireless_data;
535
468 /* These fields contain HW config provided by the device (not all of 536 /* These fields contain HW config provided by the device (not all of
469 * these fields are used by all board types) */ 537 * these fields are used by all board types) */
470 u8 mac_addr[ETH_ALEN]; 538 u8 mac_addr[ETH_ALEN];
@@ -472,6 +540,9 @@ struct at76_priv {
472 540
473 struct at76_card_config card_config; 541 struct at76_card_config card_config;
474 542
543 /* store rx fragments until complete */
544 struct rx_data_buf rx_data[NR_RX_DATA_BUF];
545
475 enum board_type board_type; 546 enum board_type board_type;
476 struct mib_fw_version fw_version; 547 struct mib_fw_version fw_version;
477 548
@@ -479,20 +550,58 @@ struct at76_priv {
479 unsigned int netdev_registered:1; 550 unsigned int netdev_registered:1;
480 struct set_mib_buffer mib_buf; /* global buffer for set_mib calls */ 551 struct set_mib_buffer mib_buf; /* global buffer for set_mib calls */
481 552
553 /* beacon counting */
482 int beacon_period; /* period of mgmt beacons, Kus */ 554 int beacon_period; /* period of mgmt beacons, Kus */
555 int beacons_received;
556 unsigned long beacons_last_qual; /* time we restarted counting
557 beacons */
558};
483 559
484 struct ieee80211_hw *hw; 560struct at76_rx_radiotap {
485 int mac80211_registered; 561 struct ieee80211_radiotap_header rt_hdr;
486 562 __le64 rt_tsft;
487 struct key_config keys[4]; /* installed key types */ 563 u8 rt_flags;
488 u8 default_pairwise_key; 564 u8 rt_rate;
489 u8 default_group_key; 565 s8 rt_signal;
566 s8 rt_noise;
490}; 567};
491 568
492#define AT76_SUPPORTED_FILTERS FIF_PROMISC_IN_BSS 569#define AT76_RX_RADIOTAP_PRESENT \
570 ((1 << IEEE80211_RADIOTAP_TSFT) | \
571 (1 << IEEE80211_RADIOTAP_FLAGS) | \
572 (1 << IEEE80211_RADIOTAP_RATE) | \
573 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
574 (1 << IEEE80211_RADIOTAP_DB_ANTNOISE))
575
576#define BEACON_MAX_DATA_LENGTH 1500
577
578/* the maximum size of an AssocReq packet */
579#define ASSOCREQ_MAX_SIZE \
580 (AT76_TX_HDRLEN + sizeof(struct ieee80211_assoc_request) + \
581 1 + 1 + IW_ESSID_MAX_SIZE + 1 + 1 + 4)
582
583/* for shared secret auth, add the challenge text size */
584#define AUTH_FRAME_SIZE (AT76_TX_HDRLEN + sizeof(struct ieee80211_auth))
585
586/* Maximal number of AuthReq retries */
587#define AUTH_RETRIES 3
493 588
589/* Maximal number of AssocReq retries */
590#define ASSOC_RETRIES 3
591
592/* Beacon timeout in managed mode when we are connected */
593#define BEACON_TIMEOUT (10 * HZ)
594
595/* Timeout for authentication response */
596#define AUTH_TIMEOUT (1 * HZ)
597
598/* Timeout for association response */
599#define ASSOC_TIMEOUT (1 * HZ)
600
601/* Polling interval when scan is running */
494#define SCAN_POLL_INTERVAL (HZ / 4) 602#define SCAN_POLL_INTERVAL (HZ / 4)
495 603
604/* Command completion timeout */
496#define CMD_COMPLETION_TIMEOUT (5 * HZ) 605#define CMD_COMPLETION_TIMEOUT (5 * HZ)
497 606
498#define DEF_RTS_THRESHOLD 1536 607#define DEF_RTS_THRESHOLD 1536
@@ -502,6 +611,8 @@ struct at76_priv {
502#define DEF_SCAN_MIN_TIME 10 611#define DEF_SCAN_MIN_TIME 10
503#define DEF_SCAN_MAX_TIME 120 612#define DEF_SCAN_MAX_TIME 120
504 613
614#define MAX_RTS_THRESHOLD (MAX_FRAG_THRESHOLD + 1)
615
505/* the max padding size for tx in bytes (see calc_padding) */ 616/* the max padding size for tx in bytes (see calc_padding) */
506#define MAX_PADDING_SIZE 53 617#define MAX_PADDING_SIZE 53
507 618
diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index 5ffe269c2382..ab69c1bf36a8 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -622,7 +622,7 @@ static int set_ctrl_bits(void)
622} 622}
623 623
624/* sets ctrl & data port bits according to current signals values */ 624/* sets ctrl & data port bits according to current signals values */
625static void set_bits(void) 625static void panel_set_bits(void)
626{ 626{
627 set_data_bits(); 627 set_data_bits();
628 set_ctrl_bits(); 628 set_ctrl_bits();
@@ -707,12 +707,12 @@ static void lcd_send_serial(int byte)
707 */ 707 */
708 for (bit = 0; bit < 8; bit++) { 708 for (bit = 0; bit < 8; bit++) {
709 bits.cl = BIT_CLR; /* CLK low */ 709 bits.cl = BIT_CLR; /* CLK low */
710 set_bits(); 710 panel_set_bits();
711 bits.da = byte & 1; 711 bits.da = byte & 1;
712 set_bits(); 712 panel_set_bits();
713 udelay(2); /* maintain the data during 2 us before CLK up */ 713 udelay(2); /* maintain the data during 2 us before CLK up */
714 bits.cl = BIT_SET; /* CLK high */ 714 bits.cl = BIT_SET; /* CLK high */
715 set_bits(); 715 panel_set_bits();
716 udelay(1); /* maintain the strobe during 1 us */ 716 udelay(1); /* maintain the strobe during 1 us */
717 byte >>= 1; 717 byte >>= 1;
718 } 718 }
@@ -727,7 +727,7 @@ static void lcd_backlight(int on)
727 /* The backlight is activated by seting the AUTOFEED line to +5V */ 727 /* The backlight is activated by seting the AUTOFEED line to +5V */
728 spin_lock(&pprt_lock); 728 spin_lock(&pprt_lock);
729 bits.bl = on; 729 bits.bl = on;
730 set_bits(); 730 panel_set_bits();
731 spin_unlock(&pprt_lock); 731 spin_unlock(&pprt_lock);
732} 732}
733 733
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-02 06:24:08 -0400