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Subject[PATCH 34/49] Staging: at76_usb: update drivers/staging/at76_usb w/ mac80211 port
Date
From: John W. Linville <linville@tuxdriver.com>

This updates drivers/staging/at76_usb to correspond with the latest
version previously available in wireless-testing.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/staging/at76_usb/Kconfig | 2 +-
drivers/staging/at76_usb/at76_usb.c | 4535 +++++++----------------------------
drivers/staging/at76_usb/at76_usb.h | 227 +--
3 files changed, 947 insertions(+), 3817 deletions(-)

diff --git a/drivers/staging/at76_usb/Kconfig b/drivers/staging/at76_usb/Kconfig
index 8606f96..4c0e55e 100644
--- a/drivers/staging/at76_usb/Kconfig
+++ b/drivers/staging/at76_usb/Kconfig
@@ -1,6 +1,6 @@
config USB_ATMEL
tristate "Atmel at76c503/at76c505/at76c505a USB cards"
- depends on WLAN_80211 && USB
+ depends on MAC80211 && WLAN_80211 && USB
default N
select FW_LOADER
---help---
diff --git a/drivers/staging/at76_usb/at76_usb.c b/drivers/staging/at76_usb/at76_usb.c
index 174e2be..4f7ea6f 100644
--- a/drivers/staging/at76_usb/at76_usb.c
+++ b/drivers/staging/at76_usb/at76_usb.c
@@ -6,6 +6,7 @@
* Copyright (c) 2004 Nick Jones
* Copyright (c) 2004 Balint Seeber <n0_5p4m_p13453@hotmail.com>
* Copyright (c) 2007 Guido Guenther <agx@sigxcpu.org>
+ * Copyright (c) 2007 Kalle Valo <kalle.valo@iki.fi>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -16,6 +17,13 @@
* Atmel AT76C503A/505/505A.
*
* Some iw_handler code was taken from airo.c, (C) 1999 Benjamin Reed
+ *
+ * TODO for the mac80211 port:
+ * o adhoc support
+ * o RTS/CTS support
+ * o Power Save Mode support
+ * o support for short/long preambles
+ * o export variables through debugfs/sysfs
*/

#include <linux/init.h>
@@ -36,7 +44,7 @@
#include <net/ieee80211_radiotap.h>
#include <linux/firmware.h>
#include <linux/leds.h>
-#include <net/ieee80211.h>
+#include <net/mac80211.h>

#include "at76_usb.h"

@@ -76,6 +84,8 @@
#define DBG_WE_EVENTS 0x08000000 /* dump wireless events */
#define DBG_FW 0x10000000 /* firmware download */
#define DBG_DFU 0x20000000 /* device firmware upgrade */
+#define DBG_CMD 0x40000000
+#define DBG_MAC80211 0x80000000

#define DBG_DEFAULTS 0

@@ -86,21 +96,31 @@
printk(KERN_DEBUG DRIVER_NAME ": " format "\n" , ## arg); \
} while (0)

+#define at76_dbg_dump(bits, buf, len, format, arg...) \
+ do { \
+ if (at76_debug & (bits)) { \
+ printk(KERN_DEBUG DRIVER_NAME ": " format "\n" , ## arg); \
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, buf, len); \
+ } \
+ } while (0)
+
static int at76_debug = DBG_DEFAULTS;

+#define FIRMWARE_IS_WPA(ver) ((ver.major == 1) && (ver.minor == 103))
+
/* Protect against concurrent firmware loading and parsing */
static struct mutex fw_mutex;

static struct fwentry firmwares[] = {
- [0] = {""},
- [BOARD_503_ISL3861] = {"atmel_at76c503-i3861.bin"},
- [BOARD_503_ISL3863] = {"atmel_at76c503-i3863.bin"},
- [BOARD_503] = {"atmel_at76c503-rfmd.bin"},
- [BOARD_503_ACC] = {"atmel_at76c503-rfmd-acc.bin"},
- [BOARD_505] = {"atmel_at76c505-rfmd.bin"},
- [BOARD_505_2958] = {"atmel_at76c505-rfmd2958.bin"},
- [BOARD_505A] = {"atmel_at76c505a-rfmd2958.bin"},
- [BOARD_505AMX] = {"atmel_at76c505amx-rfmd.bin"},
+ [0] = { "" },
+ [BOARD_503_ISL3861] = { "atmel_at76c503-i3861.bin" },
+ [BOARD_503_ISL3863] = { "atmel_at76c503-i3863.bin" },
+ [BOARD_503] = { "atmel_at76c503-rfmd.bin" },
+ [BOARD_503_ACC] = { "atmel_at76c503-rfmd-acc.bin" },
+ [BOARD_505] = { "atmel_at76c505-rfmd.bin" },
+ [BOARD_505_2958] = { "atmel_at76c505-rfmd2958.bin" },
+ [BOARD_505A] = { "atmel_at76c505a-rfmd2958.bin" },
+ [BOARD_505AMX] = { "atmel_at76c505amx-rfmd.bin" },
};

#define USB_DEVICE_DATA(__ops) .driver_info = (kernel_ulong_t)(__ops)
@@ -110,133 +130,133 @@ static struct usb_device_id dev_table[] = {
* at76c503-i3861
*/
/* Generic AT76C503/3861 device */
- {USB_DEVICE(0x03eb, 0x7603), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x03eb, 0x7603), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* Linksys WUSB11 v2.1/v2.6 */
- {USB_DEVICE(0x066b, 0x2211), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x066b, 0x2211), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* Netgear MA101 rev. A */
- {USB_DEVICE(0x0864, 0x4100), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x0864, 0x4100), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* Tekram U300C / Allnet ALL0193 */
- {USB_DEVICE(0x0b3b, 0x1612), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x0b3b, 0x1612), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* HP HN210W J7801A */
- {USB_DEVICE(0x03f0, 0x011c), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x03f0, 0x011c), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* Sitecom/Z-Com/Zyxel M4Y-750 */
- {USB_DEVICE(0x0cde, 0x0001), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x0cde, 0x0001), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* Dynalink/Askey WLL013 (intersil) */
- {USB_DEVICE(0x069a, 0x0320), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x069a, 0x0320), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* EZ connect 11Mpbs Wireless USB Adapter SMC2662W v1 */
- {USB_DEVICE(0x0d5c, 0xa001), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x0d5c, 0xa001), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* BenQ AWL300 */
- {USB_DEVICE(0x04a5, 0x9000), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x04a5, 0x9000), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* Addtron AWU-120, Compex WLU11 */
- {USB_DEVICE(0x05dd, 0xff31), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x05dd, 0xff31), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* Intel AP310 AnyPoint II USB */
- {USB_DEVICE(0x8086, 0x0200), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x8086, 0x0200), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* Dynalink L11U */
- {USB_DEVICE(0x0d8e, 0x7100), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x0d8e, 0x7100), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* Arescom WL-210, FCC id 07J-GL2411USB */
- {USB_DEVICE(0x0d8e, 0x7110), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x0d8e, 0x7110), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* I-O DATA WN-B11/USB */
- {USB_DEVICE(0x04bb, 0x0919), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x04bb, 0x0919), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* BT Voyager 1010 */
- {USB_DEVICE(0x069a, 0x0821), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+ { USB_DEVICE(0x069a, 0x0821), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/*
* at76c503-i3863
*/
/* Generic AT76C503/3863 device */
- {USB_DEVICE(0x03eb, 0x7604), USB_DEVICE_DATA(BOARD_503_ISL3863)},
+ { USB_DEVICE(0x03eb, 0x7604), USB_DEVICE_DATA(BOARD_503_ISL3863) },
/* Samsung SWL-2100U */
- {USB_DEVICE(0x055d, 0xa000), USB_DEVICE_DATA(BOARD_503_ISL3863)},
+ { USB_DEVICE(0x055d, 0xa000), USB_DEVICE_DATA(BOARD_503_ISL3863) },
/*
* at76c503-rfmd
*/
/* Generic AT76C503/RFMD device */
- {USB_DEVICE(0x03eb, 0x7605), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x03eb, 0x7605), USB_DEVICE_DATA(BOARD_503) },
/* Dynalink/Askey WLL013 (rfmd) */
- {USB_DEVICE(0x069a, 0x0321), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x069a, 0x0321), USB_DEVICE_DATA(BOARD_503) },
/* Linksys WUSB11 v2.6 */
- {USB_DEVICE(0x077b, 0x2219), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x077b, 0x2219), USB_DEVICE_DATA(BOARD_503) },
/* Network Everywhere NWU11B */
- {USB_DEVICE(0x077b, 0x2227), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x077b, 0x2227), USB_DEVICE_DATA(BOARD_503) },
/* Netgear MA101 rev. B */
- {USB_DEVICE(0x0864, 0x4102), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x0864, 0x4102), USB_DEVICE_DATA(BOARD_503) },
/* D-Link DWL-120 rev. E */
- {USB_DEVICE(0x2001, 0x3200), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x2001, 0x3200), USB_DEVICE_DATA(BOARD_503) },
/* Actiontec 802UAT1, HWU01150-01UK */
- {USB_DEVICE(0x1668, 0x7605), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x1668, 0x7605), USB_DEVICE_DATA(BOARD_503) },
/* AirVast W-Buddie WN210 */
- {USB_DEVICE(0x03eb, 0x4102), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x03eb, 0x4102), USB_DEVICE_DATA(BOARD_503) },
/* Dick Smith Electronics XH1153 802.11b USB adapter */
- {USB_DEVICE(0x1371, 0x5743), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x1371, 0x5743), USB_DEVICE_DATA(BOARD_503) },
/* CNet CNUSB611 */
- {USB_DEVICE(0x1371, 0x0001), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x1371, 0x0001), USB_DEVICE_DATA(BOARD_503) },
/* FiberLine FL-WL200U */
- {USB_DEVICE(0x1371, 0x0002), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x1371, 0x0002), USB_DEVICE_DATA(BOARD_503) },
/* BenQ AWL400 USB stick */
- {USB_DEVICE(0x04a5, 0x9001), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x04a5, 0x9001), USB_DEVICE_DATA(BOARD_503) },
/* 3Com 3CRSHEW696 */
- {USB_DEVICE(0x0506, 0x0a01), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x0506, 0x0a01), USB_DEVICE_DATA(BOARD_503) },
/* Siemens Santis ADSL WLAN USB adapter WLL 013 */
- {USB_DEVICE(0x0681, 0x001b), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x0681, 0x001b), USB_DEVICE_DATA(BOARD_503) },
/* Belkin F5D6050, version 2 */
- {USB_DEVICE(0x050d, 0x0050), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x050d, 0x0050), USB_DEVICE_DATA(BOARD_503) },
/* iBlitzz, BWU613 (not *B or *SB) */
- {USB_DEVICE(0x07b8, 0xb000), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x07b8, 0xb000), USB_DEVICE_DATA(BOARD_503) },
/* Gigabyte GN-WLBM101 */
- {USB_DEVICE(0x1044, 0x8003), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x1044, 0x8003), USB_DEVICE_DATA(BOARD_503) },
/* Planex GW-US11S */
- {USB_DEVICE(0x2019, 0x3220), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x2019, 0x3220), USB_DEVICE_DATA(BOARD_503) },
/* Internal WLAN adapter in h5[4,5]xx series iPAQs */
- {USB_DEVICE(0x049f, 0x0032), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x049f, 0x0032), USB_DEVICE_DATA(BOARD_503) },
/* Corega Wireless LAN USB-11 mini */
- {USB_DEVICE(0x07aa, 0x0011), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x07aa, 0x0011), USB_DEVICE_DATA(BOARD_503) },
/* Corega Wireless LAN USB-11 mini2 */
- {USB_DEVICE(0x07aa, 0x0018), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x07aa, 0x0018), USB_DEVICE_DATA(BOARD_503) },
/* Uniden PCW100 */
- {USB_DEVICE(0x05dd, 0xff35), USB_DEVICE_DATA(BOARD_503)},
+ { USB_DEVICE(0x05dd, 0xff35), USB_DEVICE_DATA(BOARD_503) },
/*
* at76c503-rfmd-acc
*/
/* SMC2664W */
- {USB_DEVICE(0x083a, 0x3501), USB_DEVICE_DATA(BOARD_503_ACC)},
+ { USB_DEVICE(0x083a, 0x3501), USB_DEVICE_DATA(BOARD_503_ACC) },
/* Belkin F5D6050, SMC2662W v2, SMC2662W-AR */
- {USB_DEVICE(0x0d5c, 0xa002), USB_DEVICE_DATA(BOARD_503_ACC)},
+ { USB_DEVICE(0x0d5c, 0xa002), USB_DEVICE_DATA(BOARD_503_ACC) },
/*
* at76c505-rfmd
*/
/* Generic AT76C505/RFMD */
- {USB_DEVICE(0x03eb, 0x7606), USB_DEVICE_DATA(BOARD_505)},
+ { USB_DEVICE(0x03eb, 0x7606), USB_DEVICE_DATA(BOARD_505) },
/*
* at76c505-rfmd2958
*/
/* Generic AT76C505/RFMD, OvisLink WL-1130USB */
- {USB_DEVICE(0x03eb, 0x7613), USB_DEVICE_DATA(BOARD_505_2958)},
+ { USB_DEVICE(0x03eb, 0x7613), USB_DEVICE_DATA(BOARD_505_2958) },
/* Fiberline FL-WL240U */
- {USB_DEVICE(0x1371, 0x0014), USB_DEVICE_DATA(BOARD_505_2958)},
+ { USB_DEVICE(0x1371, 0x0014), USB_DEVICE_DATA(BOARD_505_2958) },
/* CNet CNUSB-611G */
- {USB_DEVICE(0x1371, 0x0013), USB_DEVICE_DATA(BOARD_505_2958)},
+ { USB_DEVICE(0x1371, 0x0013), USB_DEVICE_DATA(BOARD_505_2958) },
/* Linksys WUSB11 v2.8 */
- {USB_DEVICE(0x1915, 0x2233), USB_DEVICE_DATA(BOARD_505_2958)},
+ { USB_DEVICE(0x1915, 0x2233), USB_DEVICE_DATA(BOARD_505_2958) },
/* Xterasys XN-2122B, IBlitzz BWU613B/BWU613SB */
- {USB_DEVICE(0x12fd, 0x1001), USB_DEVICE_DATA(BOARD_505_2958)},
+ { USB_DEVICE(0x12fd, 0x1001), USB_DEVICE_DATA(BOARD_505_2958) },
/* Corega WLAN USB Stick 11 */
- {USB_DEVICE(0x07aa, 0x7613), USB_DEVICE_DATA(BOARD_505_2958)},
+ { USB_DEVICE(0x07aa, 0x7613), USB_DEVICE_DATA(BOARD_505_2958) },
/* Microstar MSI Box MS6978 */
- {USB_DEVICE(0x0db0, 0x1020), USB_DEVICE_DATA(BOARD_505_2958)},
+ { USB_DEVICE(0x0db0, 0x1020), USB_DEVICE_DATA(BOARD_505_2958) },
/*
* at76c505a-rfmd2958
*/
/* Generic AT76C505A device */
- {USB_DEVICE(0x03eb, 0x7614), USB_DEVICE_DATA(BOARD_505A)},
+ { USB_DEVICE(0x03eb, 0x7614), USB_DEVICE_DATA(BOARD_505A) },
/* Generic AT76C505AS device */
- {USB_DEVICE(0x03eb, 0x7617), USB_DEVICE_DATA(BOARD_505A)},
+ { USB_DEVICE(0x03eb, 0x7617), USB_DEVICE_DATA(BOARD_505A) },
/* Siemens Gigaset USB WLAN Adapter 11 */
- {USB_DEVICE(0x1690, 0x0701), USB_DEVICE_DATA(BOARD_505A)},
+ { USB_DEVICE(0x1690, 0x0701), USB_DEVICE_DATA(BOARD_505A) },
/*
* at76c505amx-rfmd
*/
/* Generic AT76C505AMX device */
- {USB_DEVICE(0x03eb, 0x7615), USB_DEVICE_DATA(BOARD_505AMX)},
- {}
+ { USB_DEVICE(0x03eb, 0x7615), USB_DEVICE_DATA(BOARD_505AMX) },
+ { }
};

MODULE_DEVICE_TABLE(usb, dev_table);
@@ -244,26 +264,8 @@ MODULE_DEVICE_TABLE(usb, dev_table);
/* Supported rates of this hardware, bit 7 marks basic rates */
static const u8 hw_rates[] = { 0x82, 0x84, 0x0b, 0x16 };

-/* Frequency of each channel in MHz */
-static const long channel_frequency[] = {
- 2412, 2417, 2422, 2427, 2432, 2437, 2442,
- 2447, 2452, 2457, 2462, 2467, 2472, 2484
-};
-
-#define NUM_CHANNELS ARRAY_SIZE(channel_frequency)
-
static const char *const preambles[] = { "long", "short", "auto" };

-static const char *const mac_states[] = {
- [MAC_INIT] = "INIT",
- [MAC_SCANNING] = "SCANNING",
- [MAC_AUTH] = "AUTH",
- [MAC_ASSOC] = "ASSOC",
- [MAC_JOINING] = "JOINING",
- [MAC_CONNECTED] = "CONNECTED",
- [MAC_OWN_IBSS] = "OWN_IBSS"
-};
-
/* Firmware download */
/* DFU states */
#define STATE_IDLE 0x00
@@ -306,6 +308,11 @@ static inline int at76_is_503rfmd(enum board_type board)
return (board == BOARD_503 || board == BOARD_503_ACC);
}

+static inline int at76_is_505(enum board_type board)
+{
+ return (board == BOARD_505 || BOARD_505_2958);
+}
+
static inline int at76_is_505a(enum board_type board)
{
return (board == BOARD_505A || board == BOARD_505AMX);
@@ -489,41 +496,6 @@ exit:
return ret;
}

-/* Report that the scan results are ready */
-static inline void at76_iwevent_scan_complete(struct net_device *netdev)
-{
- union iwreq_data wrqu;
- wrqu.data.length = 0;
- wrqu.data.flags = 0;
- wireless_send_event(netdev, SIOCGIWSCAN, &wrqu, NULL);
- at76_dbg(DBG_WE_EVENTS, "%s: SIOCGIWSCAN sent", netdev->name);
-}
-
-static inline void at76_iwevent_bss_connect(struct net_device *netdev,
- u8 *bssid)
-{
- union iwreq_data wrqu;
- wrqu.data.length = 0;
- wrqu.data.flags = 0;
- memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(netdev, SIOCGIWAP, &wrqu, NULL);
- at76_dbg(DBG_WE_EVENTS, "%s: %s: SIOCGIWAP sent", netdev->name,
- __func__);
-}
-
-static inline void at76_iwevent_bss_disconnect(struct net_device *netdev)
-{
- union iwreq_data wrqu;
- wrqu.data.length = 0;
- wrqu.data.flags = 0;
- memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(netdev, SIOCGIWAP, &wrqu, NULL);
- at76_dbg(DBG_WE_EVENTS, "%s: %s: SIOCGIWAP sent", netdev->name,
- __func__);
-}
-
#define HEX2STR_BUFFERS 4
#define HEX2STR_MAX_LEN 64
#define BIN2HEX(x) ((x) < 10 ? '0' + (x) : (x) + 'A' - 10)
@@ -595,37 +567,6 @@ static void at76_ledtrig_tx_activity(void)
mod_timer(&ledtrig_tx_timer, jiffies + HZ / 4);
}

-/* Check if the given ssid is hidden */
-static inline int at76_is_hidden_ssid(u8 *ssid, int length)
-{
- static const u8 zeros[32];
-
- if (length == 0)
- return 1;
-
- if (length == 1 && ssid[0] == ' ')
- return 1;
-
- return (memcmp(ssid, zeros, length) == 0);
-}
-
-static inline void at76_free_bss_list(struct at76_priv *priv)
-{
- struct list_head *next, *ptr;
- unsigned long flags;
-
- spin_lock_irqsave(&priv->bss_list_spinlock, flags);
-
- priv->curr_bss = NULL;
-
- list_for_each_safe(ptr, next, &priv->bss_list) {
- list_del(ptr);
- kfree(list_entry(ptr, struct bss_info, list));
- }
-
- spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
-}
-
static int at76_remap(struct usb_device *udev)
{
int ret;
@@ -720,7 +661,7 @@ exit:
kfree(hwcfg);
if (ret < 0)
printk(KERN_ERR "%s: cannot get HW Config (error %d)\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);

return ret;
}
@@ -729,15 +670,15 @@ static struct reg_domain const *at76_get_reg_domain(u16 code)
{
int i;
static struct reg_domain const fd_tab[] = {
- {0x10, "FCC (USA)", 0x7ff}, /* ch 1-11 */
- {0x20, "IC (Canada)", 0x7ff}, /* ch 1-11 */
- {0x30, "ETSI (most of Europe)", 0x1fff}, /* ch 1-13 */
- {0x31, "Spain", 0x600}, /* ch 10-11 */
- {0x32, "France", 0x1e00}, /* ch 10-13 */
- {0x40, "MKK (Japan)", 0x2000}, /* ch 14 */
- {0x41, "MKK1 (Japan)", 0x3fff}, /* ch 1-14 */
- {0x50, "Israel", 0x3fc}, /* ch 3-9 */
- {0x00, "<unknown>", 0xffffffff} /* ch 1-32 */
+ { 0x10, "FCC (USA)", 0x7ff }, /* ch 1-11 */
+ { 0x20, "IC (Canada)", 0x7ff }, /* ch 1-11 */
+ { 0x30, "ETSI (most of Europe)", 0x1fff }, /* ch 1-13 */
+ { 0x31, "Spain", 0x600 }, /* ch 10-11 */
+ { 0x32, "France", 0x1e00 }, /* ch 10-13 */
+ { 0x40, "MKK (Japan)", 0x2000 }, /* ch 14 */
+ { 0x41, "MKK1 (Japan)", 0x3fff }, /* ch 1-14 */
+ { 0x50, "Israel", 0x3fc }, /* ch 3-9 */
+ { 0x00, "<unknown>", 0xffffffff } /* ch 1-32 */
};

/* Last entry is fallback for unknown domain code */
@@ -778,6 +719,24 @@ static inline int at76_get_cmd_status(struct usb_device *udev, u8 cmd)
return stat_buf[5];
}

+#define MAKE_CMD_CASE(c) case (c): return #c
+
+static const char *at76_get_cmd_string(u8 cmd_status)
+{
+ switch (cmd_status) {
+ MAKE_CMD_CASE(CMD_SET_MIB);
+ MAKE_CMD_CASE(CMD_GET_MIB);
+ MAKE_CMD_CASE(CMD_SCAN);
+ MAKE_CMD_CASE(CMD_JOIN);
+ MAKE_CMD_CASE(CMD_START_IBSS);
+ MAKE_CMD_CASE(CMD_RADIO_ON);
+ MAKE_CMD_CASE(CMD_RADIO_OFF);
+ MAKE_CMD_CASE(CMD_STARTUP);
+ }
+
+ return "UNKNOWN";
+}
+
static int at76_set_card_command(struct usb_device *udev, int cmd, void *buf,
int buf_size)
{
@@ -793,6 +752,10 @@ static int at76_set_card_command(struct usb_device *udev, int cmd, void *buf,
cmd_buf->size = cpu_to_le16(buf_size);
memcpy(cmd_buf->data, buf, buf_size);

+ at76_dbg_dump(DBG_CMD, cmd_buf, sizeof(struct at76_command) + buf_size,
+ "issuing command %s (0x%02x)",
+ at76_get_cmd_string(cmd), cmd);
+
ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x0e,
USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE,
0, 0, cmd_buf,
@@ -830,13 +793,13 @@ static int at76_wait_completion(struct at76_priv *priv, int cmd)
status = at76_get_cmd_status(priv->udev, cmd);
if (status < 0) {
printk(KERN_ERR "%s: at76_get_cmd_status failed: %d\n",
- priv->netdev->name, status);
+ wiphy_name(priv->hw->wiphy), status);
break;
}

at76_dbg(DBG_WAIT_COMPLETE,
"%s: Waiting on cmd %d, status = %d (%s)",
- priv->netdev->name, cmd, status,
+ wiphy_name(priv->hw->wiphy), cmd, status,
at76_get_cmd_status_string(status));

if (status != CMD_STATUS_IN_PROGRESS
@@ -847,7 +810,7 @@ static int at76_wait_completion(struct at76_priv *priv, int cmd)
if (time_after(jiffies, timeout)) {
printk(KERN_ERR
"%s: completion timeout for command %d\n",
- priv->netdev->name, cmd);
+ wiphy_name(priv->hw->wiphy), cmd);
status = -ETIMEDOUT;
break;
}
@@ -870,7 +833,7 @@ static int at76_set_mib(struct at76_priv *priv, struct set_mib_buffer *buf)
if (ret != CMD_STATUS_COMPLETE) {
printk(KERN_INFO
"%s: set_mib: at76_wait_completion failed "
- "with %d\n", priv->netdev->name, ret);
+ "with %d\n", wiphy_name(priv->hw->wiphy), ret);
ret = -EIO;
}

@@ -891,7 +854,7 @@ static int at76_set_radio(struct at76_priv *priv, int enable)
ret = at76_set_card_command(priv->udev, cmd, NULL, 0);
if (ret < 0)
printk(KERN_ERR "%s: at76_set_card_command(%d) failed: %d\n",
- priv->netdev->name, cmd, ret);
+ wiphy_name(priv->hw->wiphy), cmd, ret);
else
ret = 1;

@@ -912,7 +875,7 @@ static int at76_set_pm_mode(struct at76_priv *priv)
ret = at76_set_mib(priv, &priv->mib_buf);
if (ret < 0)
printk(KERN_ERR "%s: set_mib (pm_mode) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);

return ret;
}
@@ -930,7 +893,7 @@ static int at76_set_associd(struct at76_priv *priv, u16 id)
ret = at76_set_mib(priv, &priv->mib_buf);
if (ret < 0)
printk(KERN_ERR "%s: set_mib (associd) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);

return ret;
}
@@ -949,7 +912,7 @@ static int at76_set_listen_interval(struct at76_priv *priv, u16 interval)
if (ret < 0)
printk(KERN_ERR
"%s: set_mib (listen_interval) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);

return ret;
}
@@ -966,7 +929,7 @@ static int at76_set_preamble(struct at76_priv *priv, u8 type)
ret = at76_set_mib(priv, &priv->mib_buf);
if (ret < 0)
printk(KERN_ERR "%s: set_mib (preamble) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);

return ret;
}
@@ -983,7 +946,7 @@ static int at76_set_frag(struct at76_priv *priv, u16 size)
ret = at76_set_mib(priv, &priv->mib_buf);
if (ret < 0)
printk(KERN_ERR "%s: set_mib (frag threshold) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);

return ret;
}
@@ -1000,7 +963,7 @@ static int at76_set_rts(struct at76_priv *priv, u16 size)
ret = at76_set_mib(priv, &priv->mib_buf);
if (ret < 0)
printk(KERN_ERR "%s: set_mib (rts) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);

return ret;
}
@@ -1017,7 +980,7 @@ static int at76_set_autorate_fallback(struct at76_priv *priv, int onoff)
ret = at76_set_mib(priv, &priv->mib_buf);
if (ret < 0)
printk(KERN_ERR "%s: set_mib (autorate fallback) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);

return ret;
}
@@ -1034,7 +997,41 @@ static int at76_add_mac_address(struct at76_priv *priv, void *addr)
ret = at76_set_mib(priv, &priv->mib_buf);
if (ret < 0)
printk(KERN_ERR "%s: set_mib (MAC_ADDR, mac_addr) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);
+
+ return ret;
+}
+
+static int at76_set_tkip_bssid(struct at76_priv *priv, const void *addr)
+{
+ int ret = 0;
+
+ priv->mib_buf.type = MIB_MAC_ENCRYPTION;
+ priv->mib_buf.size = ETH_ALEN;
+ priv->mib_buf.index = offsetof(struct mib_mac_encryption, tkip_bssid);
+ memcpy(priv->mib_buf.data.addr, addr, ETH_ALEN);
+
+ ret = at76_set_mib(priv, &priv->mib_buf);
+ if (ret < 0)
+ printk(KERN_ERR "%s: set_mib (MAC_ENCRYPTION, tkip_bssid) failed: %d\n",
+ wiphy_name(priv->hw->wiphy), ret);
+
+ return ret;
+}
+
+static int at76_reset_rsc(struct at76_priv *priv)
+{
+ int ret = 0;
+
+ priv->mib_buf.type = MIB_MAC_ENCRYPTION;
+ priv->mib_buf.size = 4 * 8;
+ priv->mib_buf.index = offsetof(struct mib_mac_encryption, key_rsc);
+ memset(priv->mib_buf.data.data, 0 , priv->mib_buf.size);
+
+ ret = at76_set_mib(priv, &priv->mib_buf);
+ if (ret < 0)
+ printk(KERN_ERR "%s: set_mib (MAC_ENCRYPTION, key_rsc) failed: %d\n",
+ wiphy_name(priv->hw->wiphy), ret);

return ret;
}
@@ -1053,16 +1050,16 @@ static void at76_dump_mib_mac_addr(struct at76_priv *priv)
sizeof(struct mib_mac_addr));
if (ret < 0) {
printk(KERN_ERR "%s: at76_get_mib (MAC_ADDR) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);
goto exit;
}

at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: mac_addr %s res 0x%x 0x%x",
- priv->netdev->name,
+ wiphy_name(priv->hw->wiphy),
mac2str(m->mac_addr), m->res[0], m->res[1]);
for (i = 0; i < ARRAY_SIZE(m->group_addr); i++)
at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: group addr %d: %s, "
- "status %d", priv->netdev->name, i,
+ "status %d", wiphy_name(priv->hw->wiphy), i,
mac2str(m->group_addr[i]), m->group_addr_status[i]);
exit:
kfree(m);
@@ -1082,13 +1079,13 @@ static void at76_dump_mib_mac_wep(struct at76_priv *priv)
sizeof(struct mib_mac_wep));
if (ret < 0) {
printk(KERN_ERR "%s: at76_get_mib (MAC_WEP) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);
goto exit;
}

at76_dbg(DBG_MIB, "%s: MIB MAC_WEP: priv_invoked %u def_key_id %u "
"key_len %u excl_unencr %u wep_icv_err %u wep_excluded %u "
- "encr_level %u key %d", priv->netdev->name,
+ "encr_level %u key %d", wiphy_name(priv->hw->wiphy),
m->privacy_invoked, m->wep_default_key_id,
m->wep_key_mapping_len, m->exclude_unencrypted,
le32_to_cpu(m->wep_icv_error_count),
@@ -1100,12 +1097,51 @@ static void at76_dump_mib_mac_wep(struct at76_priv *priv)

for (i = 0; i < WEP_KEYS; i++)
at76_dbg(DBG_MIB, "%s: MIB MAC_WEP: key %d: %s",
- priv->netdev->name, i,
+ wiphy_name(priv->hw->wiphy), i,
hex2str(m->wep_default_keyvalue[i], key_len));
exit:
kfree(m);
}

+static void at76_dump_mib_mac_encryption(struct at76_priv *priv)
+{
+ int i;
+ int ret;
+ /*int key_len;*/
+ struct mib_mac_encryption *m = kmalloc(sizeof(struct mib_mac_encryption), GFP_KERNEL);
+
+ if (!m)
+ return;
+
+ ret = at76_get_mib(priv->udev, MIB_MAC_ENCRYPTION, m,
+ sizeof(struct mib_mac_encryption));
+ if (ret < 0) {
+ printk(KERN_ERR "%s: at76_get_mib (MAC_ENCRYPTION) failed: %d\n",
+ wiphy_name(priv->hw->wiphy), ret);
+ goto exit;
+ }
+
+ at76_dbg(DBG_MIB, "%s: MIB MAC_ENCRYPTION: tkip_bssid %s priv_invoked %u "
+ "ciph_key_id %u grp_key_id %u excl_unencr %u "
+ "ckip_key_perm %u wep_icv_err %u wep_excluded %u",
+ wiphy_name(priv->hw->wiphy), mac2str(m->tkip_bssid),
+ m->privacy_invoked, m->cipher_default_key_id,
+ m->cipher_default_group_key_id, m->exclude_unencrypted,
+ m->ckip_key_permutation,
+ le32_to_cpu(m->wep_icv_error_count),
+ le32_to_cpu(m->wep_excluded_count));
+
+ /*key_len = (m->encryption_level == 1) ?
+ WEP_SMALL_KEY_LEN : WEP_LARGE_KEY_LEN;*/
+
+ for (i = 0; i < CIPHER_KEYS; i++)
+ at76_dbg(DBG_MIB, "%s: MIB MAC_ENCRYPTION: key %d: %s",
+ wiphy_name(priv->hw->wiphy), i,
+ hex2str(m->cipher_default_keyvalue[i], CIPHER_KEY_LEN));
+exit:
+ kfree(m);
+}
+
static void at76_dump_mib_mac_mgmt(struct at76_priv *priv)
{
int ret;
@@ -1119,7 +1155,7 @@ static void at76_dump_mib_mac_mgmt(struct at76_priv *priv)
sizeof(struct mib_mac_mgmt));
if (ret < 0) {
printk(KERN_ERR "%s: at76_get_mib (MAC_MGMT) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);
goto exit;
}

@@ -1130,7 +1166,7 @@ static void at76_dump_mib_mac_mgmt(struct at76_priv *priv)
"pm_mode %d ibss_change %d res %d "
"multi_domain_capability_implemented %d "
"international_roaming %d country_string %.3s",
- priv->netdev->name, le16_to_cpu(m->beacon_period),
+ wiphy_name(priv->hw->wiphy), le16_to_cpu(m->beacon_period),
le16_to_cpu(m->CFP_max_duration),
le16_to_cpu(m->medium_occupancy_limit),
le16_to_cpu(m->station_id), le16_to_cpu(m->ATIM_window),
@@ -1155,7 +1191,7 @@ static void at76_dump_mib_mac(struct at76_priv *priv)
ret = at76_get_mib(priv->udev, MIB_MAC, m, sizeof(struct mib_mac));
if (ret < 0) {
printk(KERN_ERR "%s: at76_get_mib (MAC) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);
goto exit;
}

@@ -1165,7 +1201,8 @@ static void at76_dump_mib_mac(struct at76_priv *priv)
"scan_type %d scan_channel %d probe_delay %u "
"min_channel_time %d max_channel_time %d listen_int %d "
"desired_ssid %s desired_bssid %s desired_bsstype %d",
- priv->netdev->name, le32_to_cpu(m->max_tx_msdu_lifetime),
+ wiphy_name(priv->hw->wiphy),
+ le32_to_cpu(m->max_tx_msdu_lifetime),
le32_to_cpu(m->max_rx_lifetime),
le16_to_cpu(m->frag_threshold), le16_to_cpu(m->rts_threshold),
le16_to_cpu(m->cwmin), le16_to_cpu(m->cwmax),
@@ -1191,7 +1228,7 @@ static void at76_dump_mib_phy(struct at76_priv *priv)
ret = at76_get_mib(priv->udev, MIB_PHY, m, sizeof(struct mib_phy));
if (ret < 0) {
printk(KERN_ERR "%s: at76_get_mib (PHY) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);
goto exit;
}

@@ -1200,7 +1237,7 @@ static void at76_dump_mib_phy(struct at76_priv *priv)
"mpdu_max_length %d cca_mode_supported %d operation_rate_set "
"0x%x 0x%x 0x%x 0x%x channel_id %d current_cca_mode %d "
"phy_type %d current_reg_domain %d",
- priv->netdev->name, le32_to_cpu(m->ed_threshold),
+ wiphy_name(priv->hw->wiphy), le32_to_cpu(m->ed_threshold),
le16_to_cpu(m->slot_time), le16_to_cpu(m->sifs_time),
le16_to_cpu(m->preamble_length),
le16_to_cpu(m->plcp_header_length),
@@ -1224,13 +1261,14 @@ static void at76_dump_mib_local(struct at76_priv *priv)
ret = at76_get_mib(priv->udev, MIB_LOCAL, m, sizeof(struct mib_local));
if (ret < 0) {
printk(KERN_ERR "%s: at76_get_mib (LOCAL) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);
goto exit;
}

at76_dbg(DBG_MIB, "%s: MIB LOCAL: beacon_enable %d "
"txautorate_fallback %d ssid_size %d promiscuous_mode %d "
- "preamble_type %d", priv->netdev->name, m->beacon_enable,
+ "preamble_type %d", wiphy_name(priv->hw->wiphy),
+ m->beacon_enable,
m->txautorate_fallback, m->ssid_size, m->promiscuous_mode,
m->preamble_type);
exit:
@@ -1249,118 +1287,21 @@ static void at76_dump_mib_mdomain(struct at76_priv *priv)
sizeof(struct mib_mdomain));
if (ret < 0) {
printk(KERN_ERR "%s: at76_get_mib (MDOMAIN) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);
goto exit;
}

at76_dbg(DBG_MIB, "%s: MIB MDOMAIN: channel_list %s",
- priv->netdev->name,
+ wiphy_name(priv->hw->wiphy),
hex2str(m->channel_list, sizeof(m->channel_list)));

at76_dbg(DBG_MIB, "%s: MIB MDOMAIN: tx_powerlevel %s",
- priv->netdev->name,
+ wiphy_name(priv->hw->wiphy),
hex2str(m->tx_powerlevel, sizeof(m->tx_powerlevel)));
exit:
kfree(m);
}

-static int at76_get_current_bssid(struct at76_priv *priv)
-{
- int ret = 0;
- struct mib_mac_mgmt *mac_mgmt =
- kmalloc(sizeof(struct mib_mac_mgmt), GFP_KERNEL);
-
- if (!mac_mgmt) {
- ret = -ENOMEM;
- goto exit;
- }
-
- ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, mac_mgmt,
- sizeof(struct mib_mac_mgmt));
- if (ret < 0) {
- printk(KERN_ERR "%s: at76_get_mib failed: %d\n",
- priv->netdev->name, ret);
- goto error;
- }
- memcpy(priv->bssid, mac_mgmt->current_bssid, ETH_ALEN);
- printk(KERN_INFO "%s: using BSSID %s\n", priv->netdev->name,
- mac2str(priv->bssid));
-error:
- kfree(mac_mgmt);
-exit:
- return ret;
-}
-
-static int at76_get_current_channel(struct at76_priv *priv)
-{
- int ret = 0;
- struct mib_phy *phy = kmalloc(sizeof(struct mib_phy), GFP_KERNEL);
-
- if (!phy) {
- ret = -ENOMEM;
- goto exit;
- }
- ret = at76_get_mib(priv->udev, MIB_PHY, phy, sizeof(struct mib_phy));
- if (ret < 0) {
- printk(KERN_ERR "%s: at76_get_mib(MIB_PHY) failed: %d\n",
- priv->netdev->name, ret);
- goto error;
- }
- priv->channel = phy->channel_id;
-error:
- kfree(phy);
-exit:
- return ret;
-}
-
-/**
- * at76_start_scan - start a scan
- *
- * @use_essid - use the configured ESSID in non passive mode
- */
-static int at76_start_scan(struct at76_priv *priv, int use_essid)
-{
- struct at76_req_scan scan;
-
- memset(&scan, 0, sizeof(struct at76_req_scan));
- memset(scan.bssid, 0xff, ETH_ALEN);
-
- if (use_essid) {
- memcpy(scan.essid, priv->essid, IW_ESSID_MAX_SIZE);
- scan.essid_size = priv->essid_size;
- } else
- scan.essid_size = 0;
-
- /* jal: why should we start at a certain channel? we do scan the whole
- range allowed by reg domain. */
- scan.channel = priv->channel;
-
- /* atmelwlandriver differs between scan type 0 and 1 (active/passive)
- For ad-hoc mode, it uses type 0 only. */
- scan.scan_type = priv->scan_mode;
-
- /* INFO: For probe_delay, not multiplying by 1024 as this will be
- slightly less than min_channel_time
- (per spec: probe delay < min. channel time) */
- scan.min_channel_time = cpu_to_le16(priv->scan_min_time);
- scan.max_channel_time = cpu_to_le16(priv->scan_max_time);
- scan.probe_delay = cpu_to_le16(priv->scan_min_time * 1000);
- scan.international_scan = 0;
-
- /* other values are set to 0 for type 0 */
-
- at76_dbg(DBG_PROGRESS, "%s: start_scan (use_essid = %d, intl = %d, "
- "channel = %d, probe_delay = %d, scan_min_time = %d, "
- "scan_max_time = %d)",
- priv->netdev->name, use_essid,
- scan.international_scan, scan.channel,
- le16_to_cpu(scan.probe_delay),
- le16_to_cpu(scan.min_channel_time),
- le16_to_cpu(scan.max_channel_time));
-
- return at76_set_card_command(priv->udev, CMD_SCAN, &scan, sizeof(scan));
-}
-
/* Enable monitor mode */
static int at76_start_monitor(struct at76_priv *priv)
{
@@ -1381,86 +1322,6 @@ static int at76_start_monitor(struct at76_priv *priv)
return ret;
}

-static int at76_start_ibss(struct at76_priv *priv)
-{
- struct at76_req_ibss bss;
- int ret;
-
- WARN_ON(priv->mac_state != MAC_OWN_IBSS);
- if (priv->mac_state != MAC_OWN_IBSS)
- return -EBUSY;
-
- memset(&bss, 0, sizeof(struct at76_req_ibss));
- memset(bss.bssid, 0xff, ETH_ALEN);
- memcpy(bss.essid, priv->essid, IW_ESSID_MAX_SIZE);
- bss.essid_size = priv->essid_size;
- bss.bss_type = ADHOC_MODE;
- bss.channel = priv->channel;
-
- ret = at76_set_card_command(priv->udev, CMD_START_IBSS, &bss,
- sizeof(struct at76_req_ibss));
- if (ret < 0) {
- printk(KERN_ERR "%s: start_ibss failed: %d\n",
- priv->netdev->name, ret);
- return ret;
- }
-
- ret = at76_wait_completion(priv, CMD_START_IBSS);
- if (ret != CMD_STATUS_COMPLETE) {
- printk(KERN_ERR "%s: start_ibss failed to complete, %d\n",
- priv->netdev->name, ret);
- return ret;
- }
-
- ret = at76_get_current_bssid(priv);
- if (ret < 0)
- return ret;
-
- ret = at76_get_current_channel(priv);
- if (ret < 0)
- return ret;
-
- /* not sure what this is good for ??? */
- priv->mib_buf.type = MIB_MAC_MGMT;
- priv->mib_buf.size = 1;
- priv->mib_buf.index = offsetof(struct mib_mac_mgmt, ibss_change);
- priv->mib_buf.data.byte = 0;
-
- ret = at76_set_mib(priv, &priv->mib_buf);
- if (ret < 0) {
- printk(KERN_ERR "%s: set_mib (ibss change ok) failed: %d\n",
- priv->netdev->name, ret);
- return ret;
- }
-
- netif_carrier_on(priv->netdev);
- netif_start_queue(priv->netdev);
- return 0;
-}
-
-/* Request card to join BSS in managed or ad-hoc mode */
-static int at76_join_bss(struct at76_priv *priv, struct bss_info *ptr)
-{
- struct at76_req_join join;
-
- BUG_ON(!ptr);
-
- memset(&join, 0, sizeof(struct at76_req_join));
- memcpy(join.bssid, ptr->bssid, ETH_ALEN);
- memcpy(join.essid, ptr->ssid, ptr->ssid_len);
- join.essid_size = ptr->ssid_len;
- join.bss_type = (priv->iw_mode == IW_MODE_ADHOC ? 1 : 2);
- join.channel = ptr->channel;
- join.timeout = cpu_to_le16(2000);
-
- at76_dbg(DBG_PROGRESS,
- "%s join addr %s ssid %s type %d ch %d timeout %d",
- priv->netdev->name, mac2str(join.bssid), join.essid,
- join.bss_type, join.channel, le16_to_cpu(join.timeout));
- return at76_set_card_command(priv->udev, CMD_JOIN, &join,
- sizeof(struct at76_req_join));
-}
-
/* Calculate padding from txbuf->wlength (which excludes the USB TX header),
likely to compensate a flaw in the AT76C503A USB part ... */
static inline int at76_calc_padding(int wlen)
@@ -1479,14 +1340,6 @@ static inline int at76_calc_padding(int wlen)
return 0;
}

-/* We are doing a lot of things here in an interrupt. Need
- a bh handler (Watching TV with a TV card is probably
- a good test: if you see flickers, we are doing too much.
- Currently I do see flickers... even with our tasklet :-( )
- Maybe because the bttv driver and usb-uhci use the same interrupt
-*/
-/* Or maybe because our BH handler is preempting bttv's BH handler.. BHs don't
- * solve everything.. (alex) */
static void at76_rx_callback(struct urb *urb)
{
struct at76_priv *priv = urb->context;
@@ -1496,1758 +1349,6 @@ static void at76_rx_callback(struct urb *urb)
return;
}

-static void at76_tx_callback(struct urb *urb)
-{
- struct at76_priv *priv = urb->context;
- struct net_device_stats *stats = &priv->stats;
- unsigned long flags;
- struct at76_tx_buffer *mgmt_buf;
- int ret;
-
- switch (urb->status) {
- case 0:
- stats->tx_packets++;
- break;
- case -ENOENT:
- case -ECONNRESET:
- /* urb has been unlinked */
- return;
- default:
- at76_dbg(DBG_URB, "%s - nonzero tx status received: %d",
- __func__, urb->status);
- stats->tx_errors++;
- break;
- }
-
- spin_lock_irqsave(&priv->mgmt_spinlock, flags);
- mgmt_buf = priv->next_mgmt_bulk;
- priv->next_mgmt_bulk = NULL;
- spin_unlock_irqrestore(&priv->mgmt_spinlock, flags);
-
- if (!mgmt_buf) {
- netif_wake_queue(priv->netdev);
- return;
- }
-
- /* we don't copy the padding bytes, but add them
- to the length */
- memcpy(priv->bulk_out_buffer, mgmt_buf,
- le16_to_cpu(mgmt_buf->wlength) + AT76_TX_HDRLEN);
- usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe,
- priv->bulk_out_buffer,
- le16_to_cpu(mgmt_buf->wlength) + mgmt_buf->padding +
- AT76_TX_HDRLEN, at76_tx_callback, priv);
- ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC);
- if (ret)
- printk(KERN_ERR "%s: error in tx submit urb: %d\n",
- priv->netdev->name, ret);
-
- kfree(mgmt_buf);
-}
-
-/* Send a management frame on bulk-out. txbuf->wlength must be set */
-static int at76_tx_mgmt(struct at76_priv *priv, struct at76_tx_buffer *txbuf)
-{
- unsigned long flags;
- int ret;
- int urb_status;
- void *oldbuf = NULL;
-
- netif_carrier_off(priv->netdev); /* stop netdev watchdog */
- netif_stop_queue(priv->netdev); /* stop tx data packets */
-
- spin_lock_irqsave(&priv->mgmt_spinlock, flags);
-
- urb_status = priv->tx_urb->status;
- if (urb_status == -EINPROGRESS) {
- /* cannot transmit now, put in the queue */
- oldbuf = priv->next_mgmt_bulk;
- priv->next_mgmt_bulk = txbuf;
- }
- spin_unlock_irqrestore(&priv->mgmt_spinlock, flags);
-
- if (oldbuf) {
- /* a data/mgmt tx is already pending in the URB -
- if this is no error in some situations we must
- implement a queue or silently modify the old msg */
- printk(KERN_ERR "%s: removed pending mgmt buffer %s\n",
- priv->netdev->name, hex2str(oldbuf, 64));
- kfree(oldbuf);
- return 0;
- }
-
- txbuf->tx_rate = TX_RATE_1MBIT;
- txbuf->padding = at76_calc_padding(le16_to_cpu(txbuf->wlength));
- memset(txbuf->reserved, 0, sizeof(txbuf->reserved));
-
- if (priv->next_mgmt_bulk)
- printk(KERN_ERR "%s: URB status %d, but mgmt is pending\n",
- priv->netdev->name, urb_status);
-
- at76_dbg(DBG_TX_MGMT,
- "%s: tx mgmt: wlen %d tx_rate %d pad %d %s",
- priv->netdev->name, le16_to_cpu(txbuf->wlength),
- txbuf->tx_rate, txbuf->padding,
- hex2str(txbuf->packet, le16_to_cpu(txbuf->wlength)));
-
- /* txbuf was not consumed above -> send mgmt msg immediately */
- memcpy(priv->bulk_out_buffer, txbuf,
- le16_to_cpu(txbuf->wlength) + AT76_TX_HDRLEN);
- usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe,
- priv->bulk_out_buffer,
- le16_to_cpu(txbuf->wlength) + txbuf->padding +
- AT76_TX_HDRLEN, at76_tx_callback, priv);
- ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC);
- if (ret)
- printk(KERN_ERR "%s: error in tx submit urb: %d\n",
- priv->netdev->name, ret);
-
- kfree(txbuf);
-
- return ret;
-}
-
-/* Go to the next information element */
-static inline void next_ie(struct ieee80211_info_element **ie)
-{
- *ie = (struct ieee80211_info_element *)(&(*ie)->data[(*ie)->len]);
-}
-
-/* Challenge is the challenge string (in TLV format)
- we got with seq_nr 2 for shared secret authentication only and
- send in seq_nr 3 WEP encrypted to prove we have the correct WEP key;
- otherwise it is NULL */
-static int at76_auth_req(struct at76_priv *priv, struct bss_info *bss,
- int seq_nr, struct ieee80211_info_element *challenge)
-{
- struct at76_tx_buffer *tx_buffer;
- struct ieee80211_hdr_3addr *mgmt;
- struct ieee80211_auth *req;
- int buf_len = (seq_nr != 3 ? AUTH_FRAME_SIZE :
- AUTH_FRAME_SIZE + 1 + 1 + challenge->len);
-
- BUG_ON(!bss);
- BUG_ON(seq_nr == 3 && !challenge);
- tx_buffer = kmalloc(buf_len + MAX_PADDING_SIZE, GFP_ATOMIC);
- if (!tx_buffer)
- return -ENOMEM;
-
- req = (struct ieee80211_auth *)tx_buffer->packet;
- mgmt = &req->header;
-
- /* make wireless header */
- /* first auth msg is not encrypted, only the second (seq_nr == 3) */
- mgmt->frame_ctl =
- cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH |
- (seq_nr == 3 ? IEEE80211_FCTL_PROTECTED : 0));
-
- mgmt->duration_id = cpu_to_le16(0x8000);
- memcpy(mgmt->addr1, bss->bssid, ETH_ALEN);
- memcpy(mgmt->addr2, priv->netdev->dev_addr, ETH_ALEN);
- memcpy(mgmt->addr3, bss->bssid, ETH_ALEN);
- mgmt->seq_ctl = cpu_to_le16(0);
-
- req->algorithm = cpu_to_le16(priv->auth_mode);
- req->transaction = cpu_to_le16(seq_nr);
- req->status = cpu_to_le16(0);
-
- if (seq_nr == 3)
- memcpy(req->info_element, challenge, 1 + 1 + challenge->len);
-
- /* init. at76_priv tx header */
- tx_buffer->wlength = cpu_to_le16(buf_len - AT76_TX_HDRLEN);
- at76_dbg(DBG_TX_MGMT, "%s: AuthReq bssid %s alg %d seq_nr %d",
- priv->netdev->name, mac2str(mgmt->addr3),
- le16_to_cpu(req->algorithm), le16_to_cpu(req->transaction));
- if (seq_nr == 3)
- at76_dbg(DBG_TX_MGMT, "%s: AuthReq challenge: %s ...",
- priv->netdev->name, hex2str(req->info_element, 18));
-
- /* either send immediately (if no data tx is pending
- or put it in pending list */
- return at76_tx_mgmt(priv, tx_buffer);
-}
-
-static int at76_assoc_req(struct at76_priv *priv, struct bss_info *bss)
-{
- struct at76_tx_buffer *tx_buffer;
- struct ieee80211_hdr_3addr *mgmt;
- struct ieee80211_assoc_request *req;
- struct ieee80211_info_element *ie;
- char *essid;
- int essid_len;
- u16 capa;
-
- BUG_ON(!bss);
-
- tx_buffer = kmalloc(ASSOCREQ_MAX_SIZE + MAX_PADDING_SIZE, GFP_ATOMIC);
- if (!tx_buffer)
- return -ENOMEM;
-
- req = (struct ieee80211_assoc_request *)tx_buffer->packet;
- mgmt = &req->header;
- ie = req->info_element;
-
- /* make wireless header */
- mgmt->frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_ASSOC_REQ);
-
- mgmt->duration_id = cpu_to_le16(0x8000);
- memcpy(mgmt->addr1, bss->bssid, ETH_ALEN);
- memcpy(mgmt->addr2, priv->netdev->dev_addr, ETH_ALEN);
- memcpy(mgmt->addr3, bss->bssid, ETH_ALEN);
- mgmt->seq_ctl = cpu_to_le16(0);
-
- /* we must set the Privacy bit in the capabilities to assure an
- Agere-based AP with optional WEP transmits encrypted frames
- to us. AP only set the Privacy bit in their capabilities
- if WEP is mandatory in the BSS! */
- capa = bss->capa;
- if (priv->wep_enabled)
- capa |= WLAN_CAPABILITY_PRIVACY;
- if (priv->preamble_type != PREAMBLE_TYPE_LONG)
- capa |= WLAN_CAPABILITY_SHORT_PREAMBLE;
- req->capability = cpu_to_le16(capa);
-
- req->listen_interval = cpu_to_le16(2 * bss->beacon_interval);
-
- /* write TLV data elements */
-
- ie->id = MFIE_TYPE_SSID;
- ie->len = bss->ssid_len;
- memcpy(ie->data, bss->ssid, bss->ssid_len);
- next_ie(&ie);
-
- ie->id = MFIE_TYPE_RATES;
- ie->len = sizeof(hw_rates);
- memcpy(ie->data, hw_rates, sizeof(hw_rates));
- next_ie(&ie); /* ie points behind the supp_rates field */
-
- /* init. at76_priv tx header */
- tx_buffer->wlength = cpu_to_le16((u8 *)ie - (u8 *)mgmt);
-
- ie = req->info_element;
- essid = ie->data;
- essid_len = min_t(int, IW_ESSID_MAX_SIZE, ie->len);
-
- next_ie(&ie); /* points to IE of rates now */
- at76_dbg(DBG_TX_MGMT,
- "%s: AssocReq bssid %s capa 0x%04x ssid %.*s rates %s",
- priv->netdev->name, mac2str(mgmt->addr3),
- le16_to_cpu(req->capability), essid_len, essid,
- hex2str(ie->data, ie->len));
-
- /* either send immediately (if no data tx is pending
- or put it in pending list */
- return at76_tx_mgmt(priv, tx_buffer);
-}
-
-/* We got to check the bss_list for old entries */
-static void at76_bss_list_timeout(unsigned long par)
-{
- struct at76_priv *priv = (struct at76_priv *)par;
- unsigned long flags;
- struct list_head *lptr, *nptr;
- struct bss_info *ptr;
-
- spin_lock_irqsave(&priv->bss_list_spinlock, flags);
-
- list_for_each_safe(lptr, nptr, &priv->bss_list) {
-
- ptr = list_entry(lptr, struct bss_info, list);
-
- if (ptr != priv->curr_bss
- && time_after(jiffies, ptr->last_rx + BSS_LIST_TIMEOUT)) {
- at76_dbg(DBG_BSS_TABLE_RM,
- "%s: bss_list: removing old BSS %s ch %d",
- priv->netdev->name, mac2str(ptr->bssid),
- ptr->channel);
- list_del(&ptr->list);
- kfree(ptr);
- }
- }
- spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
- /* restart the timer */
- mod_timer(&priv->bss_list_timer, jiffies + BSS_LIST_TIMEOUT);
-}
-
-static inline void at76_set_mac_state(struct at76_priv *priv,
- enum mac_state mac_state)
-{
- at76_dbg(DBG_MAC_STATE, "%s state: %s", priv->netdev->name,
- mac_states[mac_state]);
- priv->mac_state = mac_state;
-}
-
-static void at76_dump_bss_table(struct at76_priv *priv)
-{
- struct bss_info *ptr;
- unsigned long flags;
- struct list_head *lptr;
-
- spin_lock_irqsave(&priv->bss_list_spinlock, flags);
-
- at76_dbg(DBG_BSS_TABLE, "%s BSS table (curr=%p):", priv->netdev->name,
- priv->curr_bss);
-
- list_for_each(lptr, &priv->bss_list) {
- ptr = list_entry(lptr, struct bss_info, list);
- at76_dbg(DBG_BSS_TABLE, "0x%p: bssid %s channel %d ssid %.*s "
- "(%s) capa 0x%04x rates %s rssi %d link %d noise %d",
- ptr, mac2str(ptr->bssid), ptr->channel, ptr->ssid_len,
- ptr->ssid, hex2str(ptr->ssid, ptr->ssid_len),
- ptr->capa, hex2str(ptr->rates, ptr->rates_len),
- ptr->rssi, ptr->link_qual, ptr->noise_level);
- }
- spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
-}
-
-/* Called upon successful association to mark interface as connected */
-static void at76_work_assoc_done(struct work_struct *work)
-{
- struct at76_priv *priv = container_of(work, struct at76_priv,
- work_assoc_done);
-
- mutex_lock(&priv->mtx);
-
- WARN_ON(priv->mac_state != MAC_ASSOC);
- WARN_ON(!priv->curr_bss);
- if (priv->mac_state != MAC_ASSOC || !priv->curr_bss)
- goto exit;
-
- if (priv->iw_mode == IW_MODE_INFRA) {
- if (priv->pm_mode != AT76_PM_OFF) {
- /* calculate the listen interval in units of
- beacon intervals of the curr_bss */
- u32 pm_period_beacon = (priv->pm_period >> 10) /
- priv->curr_bss->beacon_interval;
-
- pm_period_beacon = max(pm_period_beacon, 2u);
- pm_period_beacon = min(pm_period_beacon, 0xffffu);
-
- at76_dbg(DBG_PM,
- "%s: pm_mode %d assoc id 0x%x listen int %d",
- priv->netdev->name, priv->pm_mode,
- priv->assoc_id, pm_period_beacon);
-
- at76_set_associd(priv, priv->assoc_id);
- at76_set_listen_interval(priv, (u16)pm_period_beacon);
- }
- schedule_delayed_work(&priv->dwork_beacon, BEACON_TIMEOUT);
- }
- at76_set_pm_mode(priv);
-
- netif_carrier_on(priv->netdev);
- netif_wake_queue(priv->netdev);
- at76_set_mac_state(priv, MAC_CONNECTED);
- at76_iwevent_bss_connect(priv->netdev, priv->curr_bss->bssid);
- at76_dbg(DBG_PROGRESS, "%s: connected to BSSID %s",
- priv->netdev->name, mac2str(priv->curr_bss->bssid));
-
-exit:
- mutex_unlock(&priv->mtx);
-}
-
-/* We only store the new mac address in netdev struct,
- it gets set when the netdev is opened. */
-static int at76_set_mac_address(struct net_device *netdev, void *addr)
-{
- struct sockaddr *mac = addr;
- memcpy(netdev->dev_addr, mac->sa_data, ETH_ALEN);
- return 1;
-}
-
-static struct net_device_stats *at76_get_stats(struct net_device *netdev)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- return &priv->stats;
-}
-
-static struct iw_statistics *at76_get_wireless_stats(struct net_device *netdev)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- at76_dbg(DBG_IOCTL, "RETURN qual %d level %d noise %d updated %d",
- priv->wstats.qual.qual, priv->wstats.qual.level,
- priv->wstats.qual.noise, priv->wstats.qual.updated);
-
- return &priv->wstats;
-}
-
-static void at76_set_multicast(struct net_device *netdev)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int promisc;
-
- promisc = ((netdev->flags & IFF_PROMISC) != 0);
- if (promisc != priv->promisc) {
- /* This gets called in interrupt, must reschedule */
- priv->promisc = promisc;
- schedule_work(&priv->work_set_promisc);
- }
-}
-
-/* Stop all network activity, flush all pending tasks */
-static void at76_quiesce(struct at76_priv *priv)
-{
- unsigned long flags;
-
- netif_stop_queue(priv->netdev);
- netif_carrier_off(priv->netdev);
-
- at76_set_mac_state(priv, MAC_INIT);
-
- cancel_delayed_work(&priv->dwork_get_scan);
- cancel_delayed_work(&priv->dwork_beacon);
- cancel_delayed_work(&priv->dwork_auth);
- cancel_delayed_work(&priv->dwork_assoc);
- cancel_delayed_work(&priv->dwork_restart);
-
- spin_lock_irqsave(&priv->mgmt_spinlock, flags);
- kfree(priv->next_mgmt_bulk);
- priv->next_mgmt_bulk = NULL;
- spin_unlock_irqrestore(&priv->mgmt_spinlock, flags);
-}
-
-/*******************************************************************************
- * at76_priv implementations of iw_handler functions:
- */
-static int at76_iw_handler_commit(struct net_device *netdev,
- struct iw_request_info *info,
- void *null, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- at76_dbg(DBG_IOCTL, "%s %s: restarting the device", netdev->name,
- __func__);
-
- if (priv->mac_state != MAC_INIT)
- at76_quiesce(priv);
-
- /* Wait half second before the restart to process subsequent
- * requests from the same iwconfig in a single restart */
- schedule_delayed_work(&priv->dwork_restart, HZ / 2);
-
- return 0;
-}
-
-static int at76_iw_handler_get_name(struct net_device *netdev,
- struct iw_request_info *info,
- char *name, char *extra)
-{
- strcpy(name, "IEEE 802.11b");
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWNAME - name %s", netdev->name, name);
- return 0;
-}
-
-static int at76_iw_handler_set_freq(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int chan = -1;
- int ret = -EIWCOMMIT;
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWFREQ - freq.m %d freq.e %d",
- netdev->name, freq->m, freq->e);
-
- if ((freq->e == 0) && (freq->m <= 1000))
- /* Setting by channel number */
- chan = freq->m;
- else {
- /* Setting by frequency - search the table */
- int mult = 1;
- int i;
-
- for (i = 0; i < (6 - freq->e); i++)
- mult *= 10;
-
- for (i = 0; i < NUM_CHANNELS; i++) {
- if (freq->m == (channel_frequency[i] * mult))
- chan = i + 1;
- }
- }
-
- if (chan < 1 || !priv->domain)
- /* non-positive channels are invalid
- * we need a domain info to set the channel
- * either that or an invalid frequency was
- * provided by the user */
- ret = -EINVAL;
- else if (!(priv->domain->channel_map & (1 << (chan - 1)))) {
- printk(KERN_INFO "%s: channel %d not allowed for domain %s\n",
- priv->netdev->name, chan, priv->domain->name);
- ret = -EINVAL;
- }
-
- if (ret == -EIWCOMMIT) {
- priv->channel = chan;
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWFREQ - ch %d", netdev->name,
- chan);
- }
-
- return ret;
-}
-
-static int at76_iw_handler_get_freq(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- freq->m = priv->channel;
- freq->e = 0;
-
- if (priv->channel)
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWFREQ - freq %ld x 10e%d",
- netdev->name, channel_frequency[priv->channel - 1], 6);
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWFREQ - ch %d", netdev->name,
- priv->channel);
-
- return 0;
-}
-
-static int at76_iw_handler_set_mode(struct net_device *netdev,
- struct iw_request_info *info,
- __u32 *mode, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWMODE - %d", netdev->name, *mode);
-
- if ((*mode != IW_MODE_ADHOC) && (*mode != IW_MODE_INFRA) &&
- (*mode != IW_MODE_MONITOR))
- return -EINVAL;
-
- priv->iw_mode = *mode;
- if (priv->iw_mode != IW_MODE_INFRA)
- priv->pm_mode = AT76_PM_OFF;
-
- return -EIWCOMMIT;
-}
-
-static int at76_iw_handler_get_mode(struct net_device *netdev,
- struct iw_request_info *info,
- __u32 *mode, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- *mode = priv->iw_mode;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWMODE - %d", netdev->name, *mode);
-
- return 0;
-}
-
-static int at76_iw_handler_get_range(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- /* inspired by atmel.c */
- struct at76_priv *priv = netdev_priv(netdev);
- struct iw_range *range = (struct iw_range *)extra;
- int i;
-
- data->length = sizeof(struct iw_range);
- memset(range, 0, sizeof(struct iw_range));
-
- /* TODO: range->throughput = xxxxxx; */
-
- range->min_nwid = 0x0000;
- range->max_nwid = 0x0000;
-
- /* this driver doesn't maintain sensitivity information */
- range->sensitivity = 0;
-
- range->max_qual.qual = 100;
- range->max_qual.level = 100;
- range->max_qual.noise = 0;
- range->max_qual.updated = IW_QUAL_NOISE_INVALID;
-
- range->avg_qual.qual = 50;
- range->avg_qual.level = 50;
- range->avg_qual.noise = 0;
- range->avg_qual.updated = IW_QUAL_NOISE_INVALID;
-
- range->bitrate[0] = 1000000;
- range->bitrate[1] = 2000000;
- range->bitrate[2] = 5500000;
- range->bitrate[3] = 11000000;
- range->num_bitrates = 4;
-
- range->min_rts = 0;
- range->max_rts = MAX_RTS_THRESHOLD;
-
- range->min_frag = MIN_FRAG_THRESHOLD;
- range->max_frag = MAX_FRAG_THRESHOLD;
-
- range->pmp_flags = IW_POWER_PERIOD;
- range->pmt_flags = IW_POWER_ON;
- range->pm_capa = IW_POWER_PERIOD | IW_POWER_ALL_R;
-
- range->encoding_size[0] = WEP_SMALL_KEY_LEN;
- range->encoding_size[1] = WEP_LARGE_KEY_LEN;
- range->num_encoding_sizes = 2;
- range->max_encoding_tokens = WEP_KEYS;
-
- /* both WL-240U and Linksys WUSB11 v2.6 specify 15 dBm as output power
- - take this for all (ignore antenna gains) */
- range->txpower[0] = 15;
- range->num_txpower = 1;
- range->txpower_capa = IW_TXPOW_DBM;
-
- range->we_version_source = WIRELESS_EXT;
- range->we_version_compiled = WIRELESS_EXT;
-
- /* same as the values used in atmel.c */
- range->retry_capa = IW_RETRY_LIMIT;
- range->retry_flags = IW_RETRY_LIMIT;
- range->r_time_flags = 0;
- range->min_retry = 1;
- range->max_retry = 255;
-
- range->num_channels = NUM_CHANNELS;
- range->num_frequency = 0;
-
- for (i = 0; i < NUM_CHANNELS; i++) {
- /* test if channel map bit is raised */
- if (priv->domain->channel_map & (0x1 << i)) {
- range->num_frequency += 1;
-
- range->freq[i].i = i + 1;
- range->freq[i].m = channel_frequency[i] * 100000;
- range->freq[i].e = 1; /* freq * 10^1 */
- }
- }
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWRANGE", netdev->name);
-
- return 0;
-}
-
-static int at76_iw_handler_set_spy(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int ret = 0;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWSPY - number of addresses %d",
- netdev->name, data->length);
-
- spin_lock_bh(&priv->spy_spinlock);
- ret = iw_handler_set_spy(priv->netdev, info, (union iwreq_data *)data,
- extra);
- spin_unlock_bh(&priv->spy_spinlock);
-
- return ret;
-}
-
-static int at76_iw_handler_get_spy(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
-
- struct at76_priv *priv = netdev_priv(netdev);
- int ret = 0;
-
- spin_lock_bh(&priv->spy_spinlock);
- ret = iw_handler_get_spy(priv->netdev, info,
- (union iwreq_data *)data, extra);
- spin_unlock_bh(&priv->spy_spinlock);
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWSPY - number of addresses %d",
- netdev->name, data->length);
-
- return ret;
-}
-
-static int at76_iw_handler_set_thrspy(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int ret;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWTHRSPY - number of addresses %d)",
- netdev->name, data->length);
-
- spin_lock_bh(&priv->spy_spinlock);
- ret = iw_handler_set_thrspy(netdev, info, (union iwreq_data *)data,
- extra);
- spin_unlock_bh(&priv->spy_spinlock);
-
- return ret;
-}
-
-static int at76_iw_handler_get_thrspy(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int ret;
-
- spin_lock_bh(&priv->spy_spinlock);
- ret = iw_handler_get_thrspy(netdev, info, (union iwreq_data *)data,
- extra);
- spin_unlock_bh(&priv->spy_spinlock);
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWTHRSPY - number of addresses %d)",
- netdev->name, data->length);
-
- return ret;
-}
-
-static int at76_iw_handler_set_wap(struct net_device *netdev,
- struct iw_request_info *info,
- struct sockaddr *ap_addr, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWAP - wap/bssid %s", netdev->name,
- mac2str(ap_addr->sa_data));
-
- /* if the incoming address == ff:ff:ff:ff:ff:ff, the user has
- chosen any or auto AP preference */
- if (is_broadcast_ether_addr(ap_addr->sa_data)
- || is_zero_ether_addr(ap_addr->sa_data))
- priv->wanted_bssid_valid = 0;
- else {
- /* user wants to set a preferred AP address */
- priv->wanted_bssid_valid = 1;
- memcpy(priv->wanted_bssid, ap_addr->sa_data, ETH_ALEN);
- }
-
- return -EIWCOMMIT;
-}
-
-static int at76_iw_handler_get_wap(struct net_device *netdev,
- struct iw_request_info *info,
- struct sockaddr *ap_addr, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- ap_addr->sa_family = ARPHRD_ETHER;
- memcpy(ap_addr->sa_data, priv->bssid, ETH_ALEN);
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWAP - wap/bssid %s", netdev->name,
- mac2str(ap_addr->sa_data));
-
- return 0;
-}
-
-static int at76_iw_handler_set_scan(struct net_device *netdev,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int ret = 0;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWSCAN", netdev->name);
-
- if (mutex_lock_interruptible(&priv->mtx))
- return -EINTR;
-
- if (!netif_running(netdev)) {
- ret = -ENETDOWN;
- goto exit;
- }
-
- /* jal: we don't allow "iwlist ethX scan" while we are
- in monitor mode */
- if (priv->iw_mode == IW_MODE_MONITOR) {
- ret = -EBUSY;
- goto exit;
- }
-
- /* Discard old scan results */
- if ((jiffies - priv->last_scan) > (20 * HZ))
- priv->scan_state = SCAN_IDLE;
- priv->last_scan = jiffies;
-
- /* Initiate a scan command */
- if (priv->scan_state == SCAN_IN_PROGRESS) {
- ret = -EBUSY;
- goto exit;
- }
-
- priv->scan_state = SCAN_IN_PROGRESS;
-
- at76_quiesce(priv);
-
- /* Try to do passive or active scan if WE asks as. */
- if (wrqu->data.length
- && wrqu->data.length == sizeof(struct iw_scan_req)) {
- struct iw_scan_req *req = (struct iw_scan_req *)extra;
-
- if (req->scan_type == IW_SCAN_TYPE_PASSIVE)
- priv->scan_mode = SCAN_TYPE_PASSIVE;
- else if (req->scan_type == IW_SCAN_TYPE_ACTIVE)
- priv->scan_mode = SCAN_TYPE_ACTIVE;
-
- /* Sanity check values? */
- if (req->min_channel_time > 0)
- priv->scan_min_time = req->min_channel_time;
-
- if (req->max_channel_time > 0)
- priv->scan_max_time = req->max_channel_time;
- }
-
- /* change to scanning state */
- at76_set_mac_state(priv, MAC_SCANNING);
- schedule_work(&priv->work_start_scan);
-
-exit:
- mutex_unlock(&priv->mtx);
- return ret;
-}
-
-static int at76_iw_handler_get_scan(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- unsigned long flags;
- struct list_head *lptr, *nptr;
- struct bss_info *curr_bss;
- struct iw_event *iwe = kmalloc(sizeof(struct iw_event), GFP_KERNEL);
- char *curr_val, *curr_pos = extra;
- int i;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWSCAN", netdev->name);
-
- if (!iwe)
- return -ENOMEM;
-
- if (priv->scan_state != SCAN_COMPLETED) {
- /* scan not yet finished */
- kfree(iwe);
- return -EAGAIN;
- }
-
- spin_lock_irqsave(&priv->bss_list_spinlock, flags);
-
- list_for_each_safe(lptr, nptr, &priv->bss_list) {
- curr_bss = list_entry(lptr, struct bss_info, list);
-
- iwe->cmd = SIOCGIWAP;
- iwe->u.ap_addr.sa_family = ARPHRD_ETHER;
- memcpy(iwe->u.ap_addr.sa_data, curr_bss->bssid, 6);
- curr_pos = iwe_stream_add_event(info, curr_pos,
- extra + IW_SCAN_MAX_DATA, iwe,
- IW_EV_ADDR_LEN);
-
- iwe->u.data.length = curr_bss->ssid_len;
- iwe->cmd = SIOCGIWESSID;
- iwe->u.data.flags = 1;
-
- curr_pos = iwe_stream_add_point(info, curr_pos,
- extra + IW_SCAN_MAX_DATA, iwe,
- curr_bss->ssid);
-
- iwe->cmd = SIOCGIWMODE;
- iwe->u.mode = (curr_bss->capa & WLAN_CAPABILITY_IBSS) ?
- IW_MODE_ADHOC :
- (curr_bss->capa & WLAN_CAPABILITY_ESS) ?
- IW_MODE_MASTER : IW_MODE_AUTO;
- /* IW_MODE_AUTO = 0 which I thought is
- * the most logical value to return in this case */
- curr_pos = iwe_stream_add_event(info, curr_pos,
- extra + IW_SCAN_MAX_DATA, iwe,
- IW_EV_UINT_LEN);
-
- iwe->cmd = SIOCGIWFREQ;
- iwe->u.freq.m = curr_bss->channel;
- iwe->u.freq.e = 0;
- curr_pos = iwe_stream_add_event(info, curr_pos,
- extra + IW_SCAN_MAX_DATA, iwe,
- IW_EV_FREQ_LEN);
-
- iwe->cmd = SIOCGIWENCODE;
- if (curr_bss->capa & WLAN_CAPABILITY_PRIVACY)
- iwe->u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
- else
- iwe->u.data.flags = IW_ENCODE_DISABLED;
-
- iwe->u.data.length = 0;
- curr_pos = iwe_stream_add_point(info, curr_pos,
- extra + IW_SCAN_MAX_DATA, iwe,
- NULL);
-
- /* Add quality statistics */
- iwe->cmd = IWEVQUAL;
- iwe->u.qual.noise = 0;
- iwe->u.qual.updated =
- IW_QUAL_NOISE_INVALID | IW_QUAL_LEVEL_UPDATED;
- iwe->u.qual.level = (curr_bss->rssi * 100 / 42);
- if (iwe->u.qual.level > 100)
- iwe->u.qual.level = 100;
- if (at76_is_intersil(priv->board_type))
- iwe->u.qual.qual = curr_bss->link_qual;
- else {
- iwe->u.qual.qual = 0;
- iwe->u.qual.updated |= IW_QUAL_QUAL_INVALID;
- }
- /* Add new value to event */
- curr_pos = iwe_stream_add_event(info, curr_pos,
- extra + IW_SCAN_MAX_DATA, iwe,
- IW_EV_QUAL_LEN);
-
- /* Rate: stuffing multiple values in a single event requires
- * a bit more of magic - Jean II */
- curr_val = curr_pos + IW_EV_LCP_LEN;
-
- iwe->cmd = SIOCGIWRATE;
- /* Those two flags are ignored... */
- iwe->u.bitrate.fixed = 0;
- iwe->u.bitrate.disabled = 0;
- /* Max 8 values */
- for (i = 0; i < curr_bss->rates_len; i++) {
- /* Bit rate given in 500 kb/s units (+ 0x80) */
- iwe->u.bitrate.value =
- ((curr_bss->rates[i] & 0x7f) * 500000);
- /* Add new value to event */
- curr_val = iwe_stream_add_value(info, curr_pos,
- curr_val,
- extra +
- IW_SCAN_MAX_DATA, iwe,
- IW_EV_PARAM_LEN);
- }
-
- /* Check if we added any event */
- if ((curr_val - curr_pos) > IW_EV_LCP_LEN)
- curr_pos = curr_val;
-
- /* more information may be sent back using IWECUSTOM */
-
- }
-
- spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
-
- data->length = (curr_pos - extra);
- data->flags = 0;
-
- kfree(iwe);
- return 0;
-}
-
-static int at76_iw_handler_set_essid(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWESSID - %s", netdev->name, extra);
-
- if (data->flags) {
- memcpy(priv->essid, extra, data->length);
- priv->essid_size = data->length;
- } else
- priv->essid_size = 0; /* Use any SSID */
-
- return -EIWCOMMIT;
-}
-
-static int at76_iw_handler_get_essid(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- if (priv->essid_size) {
- /* not the ANY ssid in priv->essid */
- data->flags = 1;
- data->length = priv->essid_size;
- memcpy(extra, priv->essid, data->length);
- } else {
- /* the ANY ssid was specified */
- if (priv->mac_state == MAC_CONNECTED && priv->curr_bss) {
- /* report the SSID we have found */
- data->flags = 1;
- data->length = priv->curr_bss->ssid_len;
- memcpy(extra, priv->curr_bss->ssid, data->length);
- } else {
- /* report ANY back */
- data->flags = 0;
- data->length = 0;
- }
- }
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWESSID - %.*s", netdev->name,
- data->length, extra);
-
- return 0;
-}
-
-static int at76_iw_handler_set_rate(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_param *bitrate, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int ret = -EIWCOMMIT;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWRATE - %d", netdev->name,
- bitrate->value);
-
- switch (bitrate->value) {
- case -1:
- priv->txrate = TX_RATE_AUTO;
- break; /* auto rate */
- case 1000000:
- priv->txrate = TX_RATE_1MBIT;
- break;
- case 2000000:
- priv->txrate = TX_RATE_2MBIT;
- break;
- case 5500000:
- priv->txrate = TX_RATE_5_5MBIT;
- break;
- case 11000000:
- priv->txrate = TX_RATE_11MBIT;
- break;
- default:
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static int at76_iw_handler_get_rate(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_param *bitrate, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int ret = 0;
-
- switch (priv->txrate) {
- /* return max rate if RATE_AUTO */
- case TX_RATE_AUTO:
- bitrate->value = 11000000;
- break;
- case TX_RATE_1MBIT:
- bitrate->value = 1000000;
- break;
- case TX_RATE_2MBIT:
- bitrate->value = 2000000;
- break;
- case TX_RATE_5_5MBIT:
- bitrate->value = 5500000;
- break;
- case TX_RATE_11MBIT:
- bitrate->value = 11000000;
- break;
- default:
- ret = -EINVAL;
- }
-
- bitrate->fixed = (priv->txrate != TX_RATE_AUTO);
- bitrate->disabled = 0;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWRATE - %d", netdev->name,
- bitrate->value);
-
- return ret;
-}
-
-static int at76_iw_handler_set_rts(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_param *rts, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int ret = -EIWCOMMIT;
- int rthr = rts->value;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWRTS - value %d disabled %s",
- netdev->name, rts->value, (rts->disabled) ? "true" : "false");
-
- if (rts->disabled)
- rthr = MAX_RTS_THRESHOLD;
-
- if ((rthr < 0) || (rthr > MAX_RTS_THRESHOLD))
- ret = -EINVAL;
- else
- priv->rts_threshold = rthr;
-
- return ret;
-}
-
-static int at76_iw_handler_get_rts(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_param *rts, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- rts->value = priv->rts_threshold;
- rts->disabled = (rts->value >= MAX_RTS_THRESHOLD);
- rts->fixed = 1;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWRTS - value %d disabled %s",
- netdev->name, rts->value, (rts->disabled) ? "true" : "false");
-
- return 0;
-}
-
-static int at76_iw_handler_set_frag(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_param *frag, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int ret = -EIWCOMMIT;
- int fthr = frag->value;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWFRAG - value %d, disabled %s",
- netdev->name, frag->value,
- (frag->disabled) ? "true" : "false");
-
- if (frag->disabled)
- fthr = MAX_FRAG_THRESHOLD;
-
- if ((fthr < MIN_FRAG_THRESHOLD) || (fthr > MAX_FRAG_THRESHOLD))
- ret = -EINVAL;
- else
- priv->frag_threshold = fthr & ~0x1; /* get an even value */
-
- return ret;
-}
-
-static int at76_iw_handler_get_frag(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_param *frag, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- frag->value = priv->frag_threshold;
- frag->disabled = (frag->value >= MAX_FRAG_THRESHOLD);
- frag->fixed = 1;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWFRAG - value %d, disabled %s",
- netdev->name, frag->value,
- (frag->disabled) ? "true" : "false");
-
- return 0;
-}
-
-static int at76_iw_handler_get_txpow(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_param *power, char *extra)
-{
- power->value = 15;
- power->fixed = 1; /* No power control */
- power->disabled = 0;
- power->flags = IW_TXPOW_DBM;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWTXPOW - txpow %d dBm", netdev->name,
- power->value);
-
- return 0;
-}
-
-/* jal: short retry is handled by the firmware (at least 0.90.x),
- while long retry is not (?) */
-static int at76_iw_handler_set_retry(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_param *retry, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int ret = -EIWCOMMIT;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWRETRY disabled %d flags 0x%x val %d",
- netdev->name, retry->disabled, retry->flags, retry->value);
-
- if (!retry->disabled && (retry->flags & IW_RETRY_LIMIT)) {
- if ((retry->flags & IW_RETRY_MIN) ||
- !(retry->flags & IW_RETRY_MAX))
- priv->short_retry_limit = retry->value;
- else
- ret = -EINVAL;
- } else
- ret = -EINVAL;
-
- return ret;
-}
-
-/* Adapted (ripped) from atmel.c */
-static int at76_iw_handler_get_retry(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_param *retry, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWRETRY", netdev->name);
-
- retry->disabled = 0; /* Can't be disabled */
- retry->flags = IW_RETRY_LIMIT;
- retry->value = priv->short_retry_limit;
-
- return 0;
-}
-
-static int at76_iw_handler_set_encode(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_point *encoding, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int index = (encoding->flags & IW_ENCODE_INDEX) - 1;
- int len = encoding->length;
-
- at76_dbg(DBG_IOCTL, "%s: SIOCSIWENCODE - enc.flags %08x "
- "pointer %p len %d", netdev->name, encoding->flags,
- encoding->pointer, encoding->length);
- at76_dbg(DBG_IOCTL,
- "%s: SIOCSIWENCODE - old wepstate: enabled %s key_id %d "
- "auth_mode %s", netdev->name,
- (priv->wep_enabled) ? "true" : "false", priv->wep_key_id,
- (priv->auth_mode ==
- WLAN_AUTH_SHARED_KEY) ? "restricted" : "open");
-
- /* take the old default key if index is invalid */
- if ((index < 0) || (index >= WEP_KEYS))
- index = priv->wep_key_id;
-
- if (len > 0) {
- if (len > WEP_LARGE_KEY_LEN)
- len = WEP_LARGE_KEY_LEN;
-
- memset(priv->wep_keys[index], 0, WEP_KEY_LEN);
- memcpy(priv->wep_keys[index], extra, len);
- priv->wep_keys_len[index] = (len <= WEP_SMALL_KEY_LEN) ?
- WEP_SMALL_KEY_LEN : WEP_LARGE_KEY_LEN;
- priv->wep_enabled = 1;
- }
-
- priv->wep_key_id = index;
- priv->wep_enabled = ((encoding->flags & IW_ENCODE_DISABLED) == 0);
-
- if (encoding->flags & IW_ENCODE_RESTRICTED)
- priv->auth_mode = WLAN_AUTH_SHARED_KEY;
- if (encoding->flags & IW_ENCODE_OPEN)
- priv->auth_mode = WLAN_AUTH_OPEN;
-
- at76_dbg(DBG_IOCTL,
- "%s: SIOCSIWENCODE - new wepstate: enabled %s key_id %d "
- "key_len %d auth_mode %s", netdev->name,
- (priv->wep_enabled) ? "true" : "false", priv->wep_key_id + 1,
- priv->wep_keys_len[priv->wep_key_id],
- (priv->auth_mode ==
- WLAN_AUTH_SHARED_KEY) ? "restricted" : "open");
-
- return -EIWCOMMIT;
-}
-
-static int at76_iw_handler_get_encode(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_point *encoding, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int index = (encoding->flags & IW_ENCODE_INDEX) - 1;
-
- if ((index < 0) || (index >= WEP_KEYS))
- index = priv->wep_key_id;
-
- encoding->flags =
- (priv->auth_mode == WLAN_AUTH_SHARED_KEY) ?
- IW_ENCODE_RESTRICTED : IW_ENCODE_OPEN;
-
- if (!priv->wep_enabled)
- encoding->flags |= IW_ENCODE_DISABLED;
-
- if (encoding->pointer) {
- encoding->length = priv->wep_keys_len[index];
-
- memcpy(extra, priv->wep_keys[index], priv->wep_keys_len[index]);
-
- encoding->flags |= (index + 1);
- }
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWENCODE - enc.flags %08x "
- "pointer %p len %d", netdev->name, encoding->flags,
- encoding->pointer, encoding->length);
- at76_dbg(DBG_IOCTL,
- "%s: SIOCGIWENCODE - wepstate: enabled %s key_id %d "
- "key_len %d auth_mode %s", netdev->name,
- (priv->wep_enabled) ? "true" : "false", priv->wep_key_id + 1,
- priv->wep_keys_len[priv->wep_key_id],
- (priv->auth_mode ==
- WLAN_AUTH_SHARED_KEY) ? "restricted" : "open");
-
- return 0;
-}
-
-static int at76_iw_handler_set_power(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_param *prq, char *extra)
-{
- int err = -EIWCOMMIT;
- struct at76_priv *priv = netdev_priv(netdev);
-
- at76_dbg(DBG_IOCTL,
- "%s: SIOCSIWPOWER - disabled %s flags 0x%x value 0x%x",
- netdev->name, (prq->disabled) ? "true" : "false", prq->flags,
- prq->value);
-
- if (prq->disabled)
- priv->pm_mode = AT76_PM_OFF;
- else {
- switch (prq->flags & IW_POWER_MODE) {
- case IW_POWER_ALL_R:
- case IW_POWER_ON:
- break;
- default:
- err = -EINVAL;
- goto exit;
- }
- if (prq->flags & IW_POWER_PERIOD)
- priv->pm_period = prq->value;
-
- if (prq->flags & IW_POWER_TIMEOUT) {
- err = -EINVAL;
- goto exit;
- }
- priv->pm_mode = AT76_PM_ON;
- }
-exit:
- return err;
-}
-
-static int at76_iw_handler_get_power(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_param *power, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- power->disabled = (priv->pm_mode == AT76_PM_OFF);
- if (!power->disabled) {
- power->flags = IW_POWER_PERIOD | IW_POWER_ALL_R;
- power->value = priv->pm_period;
- }
-
- at76_dbg(DBG_IOCTL, "%s: SIOCGIWPOWER - %s flags 0x%x value 0x%x",
- netdev->name, power->disabled ? "disabled" : "enabled",
- power->flags, power->value);
-
- return 0;
-}
-
-/*******************************************************************************
- * Private IOCTLS
- */
-static int at76_iw_set_short_preamble(struct net_device *netdev,
- struct iw_request_info *info, char *name,
- char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int val = *((int *)name);
- int ret = -EIWCOMMIT;
-
- at76_dbg(DBG_IOCTL, "%s: AT76_SET_SHORT_PREAMBLE, %d",
- netdev->name, val);
-
- if (val < PREAMBLE_TYPE_LONG || val > PREAMBLE_TYPE_AUTO)
- ret = -EINVAL;
- else
- priv->preamble_type = val;
-
- return ret;
-}
-
-static int at76_iw_get_short_preamble(struct net_device *netdev,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- snprintf(wrqu->name, sizeof(wrqu->name), "%s (%d)",
- preambles[priv->preamble_type], priv->preamble_type);
- return 0;
-}
-
-static int at76_iw_set_debug(struct net_device *netdev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- char *ptr;
- u32 val;
-
- if (data->length > 0) {
- val = simple_strtol(extra, &ptr, 0);
-
- if (ptr == extra)
- val = DBG_DEFAULTS;
-
- at76_dbg(DBG_IOCTL, "%s: AT76_SET_DEBUG input %d: %s -> 0x%x",
- netdev->name, data->length, extra, val);
- } else
- val = DBG_DEFAULTS;
-
- at76_dbg(DBG_IOCTL, "%s: AT76_SET_DEBUG, old 0x%x, new 0x%x",
- netdev->name, at76_debug, val);
-
- /* jal: some more output to pin down lockups */
- at76_dbg(DBG_IOCTL, "%s: netif running %d queue_stopped %d "
- "carrier_ok %d", netdev->name, netif_running(netdev),
- netif_queue_stopped(netdev), netif_carrier_ok(netdev));
-
- at76_debug = val;
-
- return 0;
-}
-
-static int at76_iw_get_debug(struct net_device *netdev,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
-{
- snprintf(wrqu->name, sizeof(wrqu->name), "0x%08x", at76_debug);
- return 0;
-}
-
-static int at76_iw_set_powersave_mode(struct net_device *netdev,
- struct iw_request_info *info, char *name,
- char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int val = *((int *)name);
- int ret = -EIWCOMMIT;
-
- at76_dbg(DBG_IOCTL, "%s: AT76_SET_POWERSAVE_MODE, %d (%s)",
- netdev->name, val,
- val == AT76_PM_OFF ? "active" : val == AT76_PM_ON ? "save" :
- val == AT76_PM_SMART ? "smart save" : "<invalid>");
- if (val < AT76_PM_OFF || val > AT76_PM_SMART)
- ret = -EINVAL;
- else
- priv->pm_mode = val;
-
- return ret;
-}
-
-static int at76_iw_get_powersave_mode(struct net_device *netdev,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int *param = (int *)extra;
-
- param[0] = priv->pm_mode;
- return 0;
-}
-
-static int at76_iw_set_scan_times(struct net_device *netdev,
- struct iw_request_info *info, char *name,
- char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int mint = *((int *)name);
- int maxt = *((int *)name + 1);
- int ret = -EIWCOMMIT;
-
- at76_dbg(DBG_IOCTL, "%s: AT76_SET_SCAN_TIMES - min %d max %d",
- netdev->name, mint, maxt);
- if (mint <= 0 || maxt <= 0 || mint > maxt)
- ret = -EINVAL;
- else {
- priv->scan_min_time = mint;
- priv->scan_max_time = maxt;
- }
-
- return ret;
-}
-
-static int at76_iw_get_scan_times(struct net_device *netdev,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int *param = (int *)extra;
-
- param[0] = priv->scan_min_time;
- param[1] = priv->scan_max_time;
- return 0;
-}
-
-static int at76_iw_set_scan_mode(struct net_device *netdev,
- struct iw_request_info *info, char *name,
- char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int val = *((int *)name);
- int ret = -EIWCOMMIT;
-
- at76_dbg(DBG_IOCTL, "%s: AT76_SET_SCAN_MODE - mode %s",
- netdev->name, (val = SCAN_TYPE_ACTIVE) ? "active" :
- (val = SCAN_TYPE_PASSIVE) ? "passive" : "<invalid>");
-
- if (val != SCAN_TYPE_ACTIVE && val != SCAN_TYPE_PASSIVE)
- ret = -EINVAL;
- else
- priv->scan_mode = val;
-
- return ret;
-}
-
-static int at76_iw_get_scan_mode(struct net_device *netdev,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int *param = (int *)extra;
-
- param[0] = priv->scan_mode;
- return 0;
-}
-
-#define AT76_SET_HANDLER(h, f) [h - SIOCIWFIRST] = (iw_handler) f
-
-/* Standard wireless handlers */
-static const iw_handler at76_handlers[] = {
- AT76_SET_HANDLER(SIOCSIWCOMMIT, at76_iw_handler_commit),
- AT76_SET_HANDLER(SIOCGIWNAME, at76_iw_handler_get_name),
- AT76_SET_HANDLER(SIOCSIWFREQ, at76_iw_handler_set_freq),
- AT76_SET_HANDLER(SIOCGIWFREQ, at76_iw_handler_get_freq),
- AT76_SET_HANDLER(SIOCSIWMODE, at76_iw_handler_set_mode),
- AT76_SET_HANDLER(SIOCGIWMODE, at76_iw_handler_get_mode),
- AT76_SET_HANDLER(SIOCGIWRANGE, at76_iw_handler_get_range),
- AT76_SET_HANDLER(SIOCSIWSPY, at76_iw_handler_set_spy),
- AT76_SET_HANDLER(SIOCGIWSPY, at76_iw_handler_get_spy),
- AT76_SET_HANDLER(SIOCSIWTHRSPY, at76_iw_handler_set_thrspy),
- AT76_SET_HANDLER(SIOCGIWTHRSPY, at76_iw_handler_get_thrspy),
- AT76_SET_HANDLER(SIOCSIWAP, at76_iw_handler_set_wap),
- AT76_SET_HANDLER(SIOCGIWAP, at76_iw_handler_get_wap),
- AT76_SET_HANDLER(SIOCSIWSCAN, at76_iw_handler_set_scan),
- AT76_SET_HANDLER(SIOCGIWSCAN, at76_iw_handler_get_scan),
- AT76_SET_HANDLER(SIOCSIWESSID, at76_iw_handler_set_essid),
- AT76_SET_HANDLER(SIOCGIWESSID, at76_iw_handler_get_essid),
- AT76_SET_HANDLER(SIOCSIWRATE, at76_iw_handler_set_rate),
- AT76_SET_HANDLER(SIOCGIWRATE, at76_iw_handler_get_rate),
- AT76_SET_HANDLER(SIOCSIWRTS, at76_iw_handler_set_rts),
- AT76_SET_HANDLER(SIOCGIWRTS, at76_iw_handler_get_rts),
- AT76_SET_HANDLER(SIOCSIWFRAG, at76_iw_handler_set_frag),
- AT76_SET_HANDLER(SIOCGIWFRAG, at76_iw_handler_get_frag),
- AT76_SET_HANDLER(SIOCGIWTXPOW, at76_iw_handler_get_txpow),
- AT76_SET_HANDLER(SIOCSIWRETRY, at76_iw_handler_set_retry),
- AT76_SET_HANDLER(SIOCGIWRETRY, at76_iw_handler_get_retry),
- AT76_SET_HANDLER(SIOCSIWENCODE, at76_iw_handler_set_encode),
- AT76_SET_HANDLER(SIOCGIWENCODE, at76_iw_handler_get_encode),
- AT76_SET_HANDLER(SIOCSIWPOWER, at76_iw_handler_set_power),
- AT76_SET_HANDLER(SIOCGIWPOWER, at76_iw_handler_get_power)
-};
-
-#define AT76_SET_PRIV(h, f) [h - SIOCIWFIRSTPRIV] = (iw_handler) f
-
-/* Private wireless handlers */
-static const iw_handler at76_priv_handlers[] = {
- AT76_SET_PRIV(AT76_SET_SHORT_PREAMBLE, at76_iw_set_short_preamble),
- AT76_SET_PRIV(AT76_GET_SHORT_PREAMBLE, at76_iw_get_short_preamble),
- AT76_SET_PRIV(AT76_SET_DEBUG, at76_iw_set_debug),
- AT76_SET_PRIV(AT76_GET_DEBUG, at76_iw_get_debug),
- AT76_SET_PRIV(AT76_SET_POWERSAVE_MODE, at76_iw_set_powersave_mode),
- AT76_SET_PRIV(AT76_GET_POWERSAVE_MODE, at76_iw_get_powersave_mode),
- AT76_SET_PRIV(AT76_SET_SCAN_TIMES, at76_iw_set_scan_times),
- AT76_SET_PRIV(AT76_GET_SCAN_TIMES, at76_iw_get_scan_times),
- AT76_SET_PRIV(AT76_SET_SCAN_MODE, at76_iw_set_scan_mode),
- AT76_SET_PRIV(AT76_GET_SCAN_MODE, at76_iw_get_scan_mode),
-};
-
-/* Names and arguments of private wireless handlers */
-static const struct iw_priv_args at76_priv_args[] = {
- /* 0 - long, 1 - short */
- {AT76_SET_SHORT_PREAMBLE,
- IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_preamble"},
-
- {AT76_GET_SHORT_PREAMBLE,
- 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 10, "get_preamble"},
-
- /* we must pass the new debug mask as a string, because iwpriv cannot
- * parse hex numbers starting with 0x :-( */
- {AT76_SET_DEBUG,
- IW_PRIV_TYPE_CHAR | 10, 0, "set_debug"},
-
- {AT76_GET_DEBUG,
- 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 10, "get_debug"},
-
- /* 1 - active, 2 - power save, 3 - smart power save */
- {AT76_SET_POWERSAVE_MODE,
- IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_powersave"},
-
- {AT76_GET_POWERSAVE_MODE,
- 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_powersave"},
-
- /* min_channel_time, max_channel_time */
- {AT76_SET_SCAN_TIMES,
- IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_scan_times"},
-
- {AT76_GET_SCAN_TIMES,
- 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, "get_scan_times"},
-
- /* 0 - active, 1 - passive scan */
- {AT76_SET_SCAN_MODE,
- IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_scan_mode"},
-
- {AT76_GET_SCAN_MODE,
- 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_scan_mode"},
-};
-
-static const struct iw_handler_def at76_handler_def = {
- .num_standard = ARRAY_SIZE(at76_handlers),
- .num_private = ARRAY_SIZE(at76_priv_handlers),
- .num_private_args = ARRAY_SIZE(at76_priv_args),
- .standard = at76_handlers,
- .private = at76_priv_handlers,
- .private_args = at76_priv_args,
- .get_wireless_stats = at76_get_wireless_stats,
-};
-
-static const u8 snapsig[] = { 0xaa, 0xaa, 0x03 };
-
-/* RFC 1042 encapsulates Ethernet frames in 802.2 SNAP (0xaa, 0xaa, 0x03) with
- * a SNAP OID of 0 (0x00, 0x00, 0x00) */
-static const u8 rfc1042sig[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
-
-static int at76_tx(struct sk_buff *skb, struct net_device *netdev)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- struct net_device_stats *stats = &priv->stats;
- int ret = 0;
- int wlen;
- int submit_len;
- struct at76_tx_buffer *tx_buffer = priv->bulk_out_buffer;
- struct ieee80211_hdr_3addr *i802_11_hdr =
- (struct ieee80211_hdr_3addr *)tx_buffer->packet;
- u8 *payload = i802_11_hdr->payload;
- struct ethhdr *eh = (struct ethhdr *)skb->data;
-
- if (netif_queue_stopped(netdev)) {
- printk(KERN_ERR "%s: %s called while netdev is stopped\n",
- netdev->name, __func__);
- /* skip this packet */
- dev_kfree_skb(skb);
- return 0;
- }
-
- if (priv->tx_urb->status == -EINPROGRESS) {
- printk(KERN_ERR "%s: %s called while tx urb is pending\n",
- netdev->name, __func__);
- /* skip this packet */
- dev_kfree_skb(skb);
- return 0;
- }
-
- if (skb->len < ETH_HLEN) {
- printk(KERN_ERR "%s: %s: skb too short (%d)\n",
- netdev->name, __func__, skb->len);
- dev_kfree_skb(skb);
- return 0;
- }
-
- at76_ledtrig_tx_activity(); /* tell ledtrigger we send a packet */
-
- /* we can get rid of memcpy if we set netdev->hard_header_len to
- reserve enough space, but we would need to keep the skb around */
-
- if (ntohs(eh->h_proto) <= ETH_DATA_LEN) {
- /* this is a 802.3 packet */
- if (skb->len >= ETH_HLEN + sizeof(rfc1042sig)
- && skb->data[ETH_HLEN] == rfc1042sig[0]
- && skb->data[ETH_HLEN + 1] == rfc1042sig[1]) {
- /* higher layer delivered SNAP header - keep it */
- memcpy(payload, skb->data + ETH_HLEN,
- skb->len - ETH_HLEN);
- wlen = IEEE80211_3ADDR_LEN + skb->len - ETH_HLEN;
- } else {
- printk(KERN_ERR "%s: dropping non-SNAP 802.2 packet "
- "(DSAP 0x%02x SSAP 0x%02x cntrl 0x%02x)\n",
- priv->netdev->name, skb->data[ETH_HLEN],
- skb->data[ETH_HLEN + 1],
- skb->data[ETH_HLEN + 2]);
- dev_kfree_skb(skb);
- return 0;
- }
- } else {
- /* add RFC 1042 header in front */
- memcpy(payload, rfc1042sig, sizeof(rfc1042sig));
- memcpy(payload + sizeof(rfc1042sig), &eh->h_proto,
- skb->len - offsetof(struct ethhdr, h_proto));
- wlen = IEEE80211_3ADDR_LEN + sizeof(rfc1042sig) + skb->len -
- offsetof(struct ethhdr, h_proto);
- }
-
- /* make wireless header */
- i802_11_hdr->frame_ctl =
- cpu_to_le16(IEEE80211_FTYPE_DATA |
- (priv->wep_enabled ? IEEE80211_FCTL_PROTECTED : 0) |
- (priv->iw_mode ==
- IW_MODE_INFRA ? IEEE80211_FCTL_TODS : 0));
-
- if (priv->iw_mode == IW_MODE_ADHOC) {
- memcpy(i802_11_hdr->addr1, eh->h_dest, ETH_ALEN);
- memcpy(i802_11_hdr->addr2, eh->h_source, ETH_ALEN);
- memcpy(i802_11_hdr->addr3, priv->bssid, ETH_ALEN);
- } else if (priv->iw_mode == IW_MODE_INFRA) {
- memcpy(i802_11_hdr->addr1, priv->bssid, ETH_ALEN);
- memcpy(i802_11_hdr->addr2, eh->h_source, ETH_ALEN);
- memcpy(i802_11_hdr->addr3, eh->h_dest, ETH_ALEN);
- }
-
- i802_11_hdr->duration_id = cpu_to_le16(0);
- i802_11_hdr->seq_ctl = cpu_to_le16(0);
-
- /* setup 'Atmel' header */
- tx_buffer->wlength = cpu_to_le16(wlen);
- tx_buffer->tx_rate = priv->txrate;
- /* for broadcast destination addresses, the firmware 0.100.x
- seems to choose the highest rate set with CMD_STARTUP in
- basic_rate_set replacing this value */
-
- memset(tx_buffer->reserved, 0, sizeof(tx_buffer->reserved));
-
- tx_buffer->padding = at76_calc_padding(wlen);
- submit_len = wlen + AT76_TX_HDRLEN + tx_buffer->padding;
-
- at76_dbg(DBG_TX_DATA_CONTENT, "%s skb->data %s", priv->netdev->name,
- hex2str(skb->data, 32));
- at76_dbg(DBG_TX_DATA, "%s tx: wlen 0x%x pad 0x%x rate %d hdr %s",
- priv->netdev->name,
- le16_to_cpu(tx_buffer->wlength),
- tx_buffer->padding, tx_buffer->tx_rate,
- hex2str(i802_11_hdr, sizeof(*i802_11_hdr)));
- at76_dbg(DBG_TX_DATA_CONTENT, "%s payload %s", priv->netdev->name,
- hex2str(payload, 48));
-
- /* send stuff */
- netif_stop_queue(netdev);
- netdev->trans_start = jiffies;
-
- usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe, tx_buffer,
- submit_len, at76_tx_callback, priv);
- ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC);
- if (ret) {
- stats->tx_errors++;
- printk(KERN_ERR "%s: error in tx submit urb: %d\n",
- netdev->name, ret);
- if (ret == -EINVAL)
- printk(KERN_ERR
- "%s: -EINVAL: tx urb %p hcpriv %p complete %p\n",
- priv->netdev->name, priv->tx_urb,
- priv->tx_urb->hcpriv, priv->tx_urb->complete);
- } else {
- stats->tx_bytes += skb->len;
- dev_kfree_skb(skb);
- }
-
- return ret;
-}
-
-static void at76_tx_timeout(struct net_device *netdev)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- if (!priv)
- return;
- dev_warn(&netdev->dev, "tx timeout.");
-
- usb_unlink_urb(priv->tx_urb);
- priv->stats.tx_errors++;
-}
-
static int at76_submit_rx_urb(struct at76_priv *priv)
{
int ret;
@@ -3256,7 +1357,7 @@ static int at76_submit_rx_urb(struct at76_priv *priv)

if (!priv->rx_urb) {
printk(KERN_ERR "%s: %s: priv->rx_urb is NULL\n",
- priv->netdev->name, __func__);
+ wiphy_name(priv->hw->wiphy), __func__);
return -EFAULT;
}

@@ -3264,7 +1365,7 @@ static int at76_submit_rx_urb(struct at76_priv *priv)
skb = dev_alloc_skb(sizeof(struct at76_rx_buffer));
if (!skb) {
printk(KERN_ERR "%s: cannot allocate rx skbuff\n",
- priv->netdev->name);
+ wiphy_name(priv->hw->wiphy));
ret = -ENOMEM;
goto exit;
}
@@ -3284,110 +1385,18 @@ static int at76_submit_rx_urb(struct at76_priv *priv)
"usb_submit_urb returned -ENODEV");
else
printk(KERN_ERR "%s: rx, usb_submit_urb failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);
}

exit:
if (ret < 0 && ret != -ENODEV)
printk(KERN_ERR "%s: cannot submit rx urb - please unload the "
"driver and/or power cycle the device\n",
- priv->netdev->name);
+ wiphy_name(priv->hw->wiphy));

return ret;
}

-static int at76_open(struct net_device *netdev)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- int ret = 0;
-
- at76_dbg(DBG_PROC_ENTRY, "%s(): entry", __func__);
-
- if (mutex_lock_interruptible(&priv->mtx))
- return -EINTR;
-
- /* if netdev->dev_addr != priv->mac_addr we must
- set the mac address in the device ! */
- if (compare_ether_addr(netdev->dev_addr, priv->mac_addr)) {
- if (at76_add_mac_address(priv, netdev->dev_addr) >= 0)
- at76_dbg(DBG_PROGRESS, "%s: set new MAC addr %s",
- netdev->name, mac2str(netdev->dev_addr));
- }
-
- priv->scan_state = SCAN_IDLE;
- priv->last_scan = jiffies;
-
- ret = at76_submit_rx_urb(priv);
- if (ret < 0) {
- printk(KERN_ERR "%s: open: submit_rx_urb failed: %d\n",
- netdev->name, ret);
- goto error;
- }
-
- schedule_delayed_work(&priv->dwork_restart, 0);
-
- at76_dbg(DBG_PROC_ENTRY, "%s(): end", __func__);
-error:
- mutex_unlock(&priv->mtx);
- return ret < 0 ? ret : 0;
-}
-
-static int at76_stop(struct net_device *netdev)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- at76_dbg(DBG_DEVSTART, "%s: ENTER", __func__);
-
- if (mutex_lock_interruptible(&priv->mtx))
- return -EINTR;
-
- at76_quiesce(priv);
-
- if (!priv->device_unplugged) {
- /* We are called by "ifconfig ethX down", not because the
- * device is not available anymore. */
- at76_set_radio(priv, 0);
-
- /* We unlink rx_urb because at76_open() re-submits it.
- * If unplugged, at76_delete_device() takes care of it. */
- usb_kill_urb(priv->rx_urb);
- }
-
- /* free the bss_list */
- at76_free_bss_list(priv);
-
- mutex_unlock(&priv->mtx);
- at76_dbg(DBG_DEVSTART, "%s: EXIT", __func__);
-
- return 0;
-}
-
-static void at76_ethtool_get_drvinfo(struct net_device *netdev,
- struct ethtool_drvinfo *info)
-{
- struct at76_priv *priv = netdev_priv(netdev);
-
- strncpy(info->driver, DRIVER_NAME, sizeof(info->driver));
- strncpy(info->version, DRIVER_VERSION, sizeof(info->version));
-
- usb_make_path(priv->udev, info->bus_info, sizeof(info->bus_info));
-
- snprintf(info->fw_version, sizeof(info->fw_version), "%d.%d.%d-%d",
- priv->fw_version.major, priv->fw_version.minor,
- priv->fw_version.patch, priv->fw_version.build);
-}
-
-static u32 at76_ethtool_get_link(struct net_device *netdev)
-{
- struct at76_priv *priv = netdev_priv(netdev);
- return priv->mac_state == MAC_CONNECTED;
-}
-
-static struct ethtool_ops at76_ethtool_ops = {
- .get_drvinfo = at76_ethtool_get_drvinfo,
- .get_link = at76_ethtool_get_link,
-};
-
/* Download external firmware */
static int at76_load_external_fw(struct usb_device *udev, struct fwentry *fwe)
{
@@ -3484,406 +1493,6 @@ exit:
return ret;
}

-static int at76_match_essid(struct at76_priv *priv, struct bss_info *ptr)
-{
- /* common criteria for both modi */
-
- int ret = (priv->essid_size == 0 /* ANY ssid */ ||
- (priv->essid_size == ptr->ssid_len &&
- !memcmp(priv->essid, ptr->ssid, ptr->ssid_len)));
- if (!ret)
- at76_dbg(DBG_BSS_MATCH,
- "%s bss table entry %p: essid didn't match",
- priv->netdev->name, ptr);
- return ret;
-}
-
-static inline int at76_match_mode(struct at76_priv *priv, struct bss_info *ptr)
-{
- int ret;
-
- if (priv->iw_mode == IW_MODE_ADHOC)
- ret = ptr->capa & WLAN_CAPABILITY_IBSS;
- else
- ret = ptr->capa & WLAN_CAPABILITY_ESS;
- if (!ret)
- at76_dbg(DBG_BSS_MATCH,
- "%s bss table entry %p: mode didn't match",
- priv->netdev->name, ptr);
- return ret;
-}
-
-static int at76_match_rates(struct at76_priv *priv, struct bss_info *ptr)
-{
- int i;
-
- for (i = 0; i < ptr->rates_len; i++) {
- u8 rate = ptr->rates[i];
-
- if (!(rate & 0x80))
- continue;
-
- /* this is a basic rate we have to support
- (see IEEE802.11, ch. 7.3.2.2) */
- if (rate != (0x80 | hw_rates[0])
- && rate != (0x80 | hw_rates[1])
- && rate != (0x80 | hw_rates[2])
- && rate != (0x80 | hw_rates[3])) {
- at76_dbg(DBG_BSS_MATCH,
- "%s: bss table entry %p: basic rate %02x not "
- "supported", priv->netdev->name, ptr, rate);
- return 0;
- }
- }
-
- /* if we use short preamble, the bss must support it */
- if (priv->preamble_type == PREAMBLE_TYPE_SHORT &&
- !(ptr->capa & WLAN_CAPABILITY_SHORT_PREAMBLE)) {
- at76_dbg(DBG_BSS_MATCH,
- "%s: %p does not support short preamble",
- priv->netdev->name, ptr);
- return 0;
- } else
- return 1;
-}
-
-static inline int at76_match_wep(struct at76_priv *priv, struct bss_info *ptr)
-{
- if (!priv->wep_enabled && ptr->capa & WLAN_CAPABILITY_PRIVACY) {
- /* we have disabled WEP, but the BSS signals privacy */
- at76_dbg(DBG_BSS_MATCH,
- "%s: bss table entry %p: requires encryption",
- priv->netdev->name, ptr);
- return 0;
- }
- /* otherwise if the BSS does not signal privacy it may well
- accept encrypted packets from us ... */
- return 1;
-}
-
-static inline int at76_match_bssid(struct at76_priv *priv, struct bss_info *ptr)
-{
- if (!priv->wanted_bssid_valid ||
- !compare_ether_addr(ptr->bssid, priv->wanted_bssid))
- return 1;
-
- at76_dbg(DBG_BSS_MATCH,
- "%s: requested bssid - %s does not match",
- priv->netdev->name, mac2str(priv->wanted_bssid));
- at76_dbg(DBG_BSS_MATCH,
- " AP bssid - %s of bss table entry %p",
- mac2str(ptr->bssid), ptr);
- return 0;
-}
-
-/**
- * at76_match_bss - try to find a matching bss in priv->bss
- *
- * last - last bss tried
- *
- * last == NULL signals a new round starting with priv->bss_list.next
- * this function must be called inside an acquired priv->bss_list_spinlock
- * otherwise the timeout on bss may remove the newly chosen entry
- */
-static struct bss_info *at76_match_bss(struct at76_priv *priv,
- struct bss_info *last)
-{
- struct bss_info *ptr = NULL;
- struct list_head *curr;
-
- curr = last ? last->list.next : priv->bss_list.next;
- while (curr != &priv->bss_list) {
- ptr = list_entry(curr, struct bss_info, list);
- if (at76_match_essid(priv, ptr) && at76_match_mode(priv, ptr)
- && at76_match_wep(priv, ptr) && at76_match_rates(priv, ptr)
- && at76_match_bssid(priv, ptr))
- break;
- curr = curr->next;
- }
-
- if (curr == &priv->bss_list)
- ptr = NULL;
- /* otherwise ptr points to the struct bss_info we have chosen */
-
- at76_dbg(DBG_BSS_TABLE, "%s %s: returned %p", priv->netdev->name,
- __func__, ptr);
- return ptr;
-}
-
-/* Start joining a matching BSS, or create own IBSS */
-static void at76_work_join(struct work_struct *work)
-{
- struct at76_priv *priv = container_of(work, struct at76_priv,
- work_join);
- int ret;
- unsigned long flags;
-
- mutex_lock(&priv->mtx);
-
- WARN_ON(priv->mac_state != MAC_JOINING);
- if (priv->mac_state != MAC_JOINING)
- goto exit;
-
- /* secure the access to priv->curr_bss ! */
- spin_lock_irqsave(&priv->bss_list_spinlock, flags);
- priv->curr_bss = at76_match_bss(priv, priv->curr_bss);
- spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
-
- if (!priv->curr_bss) {
- /* here we haven't found a matching (i)bss ... */
- if (priv->iw_mode == IW_MODE_ADHOC) {
- at76_set_mac_state(priv, MAC_OWN_IBSS);
- at76_start_ibss(priv);
- goto exit;
- }
- /* haven't found a matching BSS in infra mode - try again */
- at76_set_mac_state(priv, MAC_SCANNING);
- schedule_work(&priv->work_start_scan);
- goto exit;
- }
-
- ret = at76_join_bss(priv, priv->curr_bss);
- if (ret < 0) {
- printk(KERN_ERR "%s: join_bss failed with %d\n",
- priv->netdev->name, ret);
- goto exit;
- }
-
- ret = at76_wait_completion(priv, CMD_JOIN);
- if (ret != CMD_STATUS_COMPLETE) {
- if (ret != CMD_STATUS_TIME_OUT)
- printk(KERN_ERR "%s: join_bss completed with %d\n",
- priv->netdev->name, ret);
- else
- printk(KERN_INFO "%s: join_bss ssid %s timed out\n",
- priv->netdev->name,
- mac2str(priv->curr_bss->bssid));
-
- /* retry next BSS immediately */
- schedule_work(&priv->work_join);
- goto exit;
- }
-
- /* here we have joined the (I)BSS */
- if (priv->iw_mode == IW_MODE_ADHOC) {
- struct bss_info *bptr = priv->curr_bss;
- at76_set_mac_state(priv, MAC_CONNECTED);
- /* get ESSID, BSSID and channel for priv->curr_bss */
- priv->essid_size = bptr->ssid_len;
- memcpy(priv->essid, bptr->ssid, bptr->ssid_len);
- memcpy(priv->bssid, bptr->bssid, ETH_ALEN);
- priv->channel = bptr->channel;
- at76_iwevent_bss_connect(priv->netdev, bptr->bssid);
- netif_carrier_on(priv->netdev);
- netif_start_queue(priv->netdev);
- /* just to be sure */
- cancel_delayed_work(&priv->dwork_get_scan);
- cancel_delayed_work(&priv->dwork_auth);
- cancel_delayed_work(&priv->dwork_assoc);
- } else {
- /* send auth req */
- priv->retries = AUTH_RETRIES;
- at76_set_mac_state(priv, MAC_AUTH);
- at76_auth_req(priv, priv->curr_bss, 1, NULL);
- at76_dbg(DBG_MGMT_TIMER,
- "%s:%d: starting mgmt_timer + HZ", __func__, __LINE__);
- schedule_delayed_work(&priv->dwork_auth, AUTH_TIMEOUT);
- }
-
-exit:
- mutex_unlock(&priv->mtx);
-}
-
-/* Reap scan results */
-static void at76_dwork_get_scan(struct work_struct *work)
-{
- int status;
- int ret;
- struct at76_priv *priv = container_of(work, struct at76_priv,
- dwork_get_scan.work);
-
- mutex_lock(&priv->mtx);
- WARN_ON(priv->mac_state != MAC_SCANNING);
- if (priv->mac_state != MAC_SCANNING)
- goto exit;
-
- status = at76_get_cmd_status(priv->udev, CMD_SCAN);
- if (status < 0) {
- printk(KERN_ERR "%s: %s: at76_get_cmd_status failed with %d\n",
- priv->netdev->name, __func__, status);
- status = CMD_STATUS_IN_PROGRESS;
- /* INFO: Hope it was a one off error - if not, scanning
- further down the line and stop this cycle */
- }
- at76_dbg(DBG_PROGRESS,
- "%s %s: got cmd_status %d (state %s, need_any %d)",
- priv->netdev->name, __func__, status,
- mac_states[priv->mac_state], priv->scan_need_any);
-
- if (status != CMD_STATUS_COMPLETE) {
- if ((status != CMD_STATUS_IN_PROGRESS) &&
- (status != CMD_STATUS_IDLE))
- printk(KERN_ERR "%s: %s: Bad scan status: %s\n",
- priv->netdev->name, __func__,
- at76_get_cmd_status_string(status));
-
- /* the first cmd status after scan start is always a IDLE ->
- start the timer to poll again until COMPLETED */
- at76_dbg(DBG_MGMT_TIMER,
- "%s:%d: starting mgmt_timer for %d ticks",
- __func__, __LINE__, SCAN_POLL_INTERVAL);
- schedule_delayed_work(&priv->dwork_get_scan,
- SCAN_POLL_INTERVAL);
- goto exit;
- }
-
- if (at76_debug & DBG_BSS_TABLE)
- at76_dump_bss_table(priv);
-
- if (priv->scan_need_any) {
- ret = at76_start_scan(priv, 0);
- if (ret < 0)
- printk(KERN_ERR
- "%s: %s: start_scan (ANY) failed with %d\n",
- priv->netdev->name, __func__, ret);
- at76_dbg(DBG_MGMT_TIMER,
- "%s:%d: starting mgmt_timer for %d ticks", __func__,
- __LINE__, SCAN_POLL_INTERVAL);
- schedule_delayed_work(&priv->dwork_get_scan,
- SCAN_POLL_INTERVAL);
- priv->scan_need_any = 0;
- } else {
- priv->scan_state = SCAN_COMPLETED;
- /* report the end of scan to user space */
- at76_iwevent_scan_complete(priv->netdev);
- at76_set_mac_state(priv, MAC_JOINING);
- schedule_work(&priv->work_join);
- }
-
-exit:
- mutex_unlock(&priv->mtx);
-}
-
-/* Handle loss of beacons from the AP */
-static void at76_dwork_beacon(struct work_struct *work)
-{
- struct at76_priv *priv = container_of(work, struct at76_priv,
- dwork_beacon.work);
-
- mutex_lock(&priv->mtx);
- if (priv->mac_state != MAC_CONNECTED || priv->iw_mode != IW_MODE_INFRA)
- goto exit;
-
- /* We haven't received any beacons from out AP for BEACON_TIMEOUT */
- printk(KERN_INFO "%s: lost beacon bssid %s\n",
- priv->netdev->name, mac2str(priv->curr_bss->bssid));
-
- netif_carrier_off(priv->netdev);
- netif_stop_queue(priv->netdev);
- at76_iwevent_bss_disconnect(priv->netdev);
- at76_set_mac_state(priv, MAC_SCANNING);
- schedule_work(&priv->work_start_scan);
-
-exit:
- mutex_unlock(&priv->mtx);
-}
-
-/* Handle authentication response timeout */
-static void at76_dwork_auth(struct work_struct *work)
-{
- struct at76_priv *priv = container_of(work, struct at76_priv,
- dwork_auth.work);
-
- mutex_lock(&priv->mtx);
- WARN_ON(priv->mac_state != MAC_AUTH);
- if (priv->mac_state != MAC_AUTH)
- goto exit;
-
- at76_dbg(DBG_PROGRESS, "%s: authentication response timeout",
- priv->netdev->name);
-
- if (priv->retries-- >= 0) {
- at76_auth_req(priv, priv->curr_bss, 1, NULL);
- at76_dbg(DBG_MGMT_TIMER, "%s:%d: starting mgmt_timer + HZ",
- __func__, __LINE__);
- schedule_delayed_work(&priv->dwork_auth, AUTH_TIMEOUT);
- } else {
- /* try to get next matching BSS */
- at76_set_mac_state(priv, MAC_JOINING);
- schedule_work(&priv->work_join);
- }
-
-exit:
- mutex_unlock(&priv->mtx);
-}
-
-/* Handle association response timeout */
-static void at76_dwork_assoc(struct work_struct *work)
-{
- struct at76_priv *priv = container_of(work, struct at76_priv,
- dwork_assoc.work);
-
- mutex_lock(&priv->mtx);
- WARN_ON(priv->mac_state != MAC_ASSOC);
- if (priv->mac_state != MAC_ASSOC)
- goto exit;
-
- at76_dbg(DBG_PROGRESS, "%s: association response timeout",
- priv->netdev->name);
-
- if (priv->retries-- >= 0) {
- at76_assoc_req(priv, priv->curr_bss);
- at76_dbg(DBG_MGMT_TIMER, "%s:%d: starting mgmt_timer + HZ",
- __func__, __LINE__);
- schedule_delayed_work(&priv->dwork_assoc, ASSOC_TIMEOUT);
- } else {
- /* try to get next matching BSS */
- at76_set_mac_state(priv, MAC_JOINING);
- schedule_work(&priv->work_join);
- }
-
-exit:
- mutex_unlock(&priv->mtx);
-}
-
-/* Read new bssid in ad-hoc mode */
-static void at76_work_new_bss(struct work_struct *work)
-{
- struct at76_priv *priv = container_of(work, struct at76_priv,
- work_new_bss);
- int ret;
- struct mib_mac_mgmt mac_mgmt;
-
- mutex_lock(&priv->mtx);
-
- ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, &mac_mgmt,
- sizeof(struct mib_mac_mgmt));
- if (ret < 0) {
- printk(KERN_ERR "%s: at76_get_mib failed: %d\n",
- priv->netdev->name, ret);
- goto exit;
- }
-
- at76_dbg(DBG_PROGRESS, "ibss_change = 0x%2x", mac_mgmt.ibss_change);
- memcpy(priv->bssid, mac_mgmt.current_bssid, ETH_ALEN);
- at76_dbg(DBG_PROGRESS, "using BSSID %s", mac2str(priv->bssid));
-
- at76_iwevent_bss_connect(priv->netdev, priv->bssid);
-
- priv->mib_buf.type = MIB_MAC_MGMT;
- priv->mib_buf.size = 1;
- priv->mib_buf.index = offsetof(struct mib_mac_mgmt, ibss_change);
- priv->mib_buf.data.byte = 0;
-
- ret = at76_set_mib(priv, &priv->mib_buf);
- if (ret < 0)
- printk(KERN_ERR "%s: set_mib (ibss change ok) failed: %d\n",
- priv->netdev->name, ret);
-
-exit:
- mutex_unlock(&priv->mtx);
-}
-
static int at76_startup_device(struct at76_priv *priv)
{
struct at76_card_config *ccfg = &priv->card_config;
@@ -3891,14 +1500,14 @@ static int at76_startup_device(struct at76_priv *priv)

at76_dbg(DBG_PARAMS,
"%s param: ssid %.*s (%s) mode %s ch %d wep %s key %d "
- "keylen %d", priv->netdev->name, priv->essid_size, priv->essid,
- hex2str(priv->essid, IW_ESSID_MAX_SIZE),
+ "keylen %d", wiphy_name(priv->hw->wiphy), priv->essid_size,
+ priv->essid, hex2str(priv->essid, IW_ESSID_MAX_SIZE),
priv->iw_mode == IW_MODE_ADHOC ? "adhoc" : "infra",
priv->channel, priv->wep_enabled ? "enabled" : "disabled",
priv->wep_key_id, priv->wep_keys_len[priv->wep_key_id]);
at76_dbg(DBG_PARAMS,
"%s param: preamble %s rts %d retry %d frag %d "
- "txrate %s auth_mode %d", priv->netdev->name,
+ "txrate %s auth_mode %d", wiphy_name(priv->hw->wiphy),
preambles[priv->preamble_type], priv->rts_threshold,
priv->short_retry_limit, priv->frag_threshold,
priv->txrate == TX_RATE_1MBIT ? "1MBit" : priv->txrate ==
@@ -3909,7 +1518,7 @@ static int at76_startup_device(struct at76_priv *priv)
at76_dbg(DBG_PARAMS,
"%s param: pm_mode %d pm_period %d auth_mode %s "
"scan_times %d %d scan_mode %s",
- priv->netdev->name, priv->pm_mode, priv->pm_period,
+ wiphy_name(priv->hw->wiphy), priv->pm_mode, priv->pm_period,
priv->auth_mode == WLAN_AUTH_OPEN ? "open" : "shared_secret",
priv->scan_min_time, priv->scan_max_time,
priv->scan_mode == SCAN_TYPE_ACTIVE ? "active" : "passive");
@@ -3943,7 +1552,8 @@ static int at76_startup_device(struct at76_priv *priv)
ccfg->ssid_len = priv->essid_size;

ccfg->wep_default_key_id = priv->wep_key_id;
- memcpy(ccfg->wep_default_key_value, priv->wep_keys, 4 * WEP_KEY_LEN);
+ memcpy(ccfg->wep_default_key_value, priv->wep_keys,
+ sizeof(priv->wep_keys));

ccfg->short_preamble = priv->preamble_type;
ccfg->beacon_period = cpu_to_le16(priv->beacon_period);
@@ -3952,7 +1562,7 @@ static int at76_startup_device(struct at76_priv *priv)
sizeof(struct at76_card_config));
if (ret < 0) {
printk(KERN_ERR "%s: at76_set_card_command failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);
return ret;
}

@@ -3998,69 +1608,6 @@ static int at76_startup_device(struct at76_priv *priv)
return 0;
}

-/* Restart the interface */
-static void at76_dwork_restart(struct work_struct *work)
-{
- struct at76_priv *priv = container_of(work, struct at76_priv,
- dwork_restart.work);
-
- mutex_lock(&priv->mtx);
-
- netif_carrier_off(priv->netdev); /* stop netdev watchdog */
- netif_stop_queue(priv->netdev); /* stop tx data packets */
-
- at76_startup_device(priv);
-
- if (priv->iw_mode != IW_MODE_MONITOR) {
- priv->netdev->type = ARPHRD_ETHER;
- at76_set_mac_state(priv, MAC_SCANNING);
- schedule_work(&priv->work_start_scan);
- } else {
- priv->netdev->type = ARPHRD_IEEE80211_RADIOTAP;
- at76_start_monitor(priv);
- }
-
- mutex_unlock(&priv->mtx);
-}
-
-/* Initiate scanning */
-static void at76_work_start_scan(struct work_struct *work)
-{
- struct at76_priv *priv = container_of(work, struct at76_priv,
- work_start_scan);
- int ret;
-
- mutex_lock(&priv->mtx);
-
- WARN_ON(priv->mac_state != MAC_SCANNING);
- if (priv->mac_state != MAC_SCANNING)
- goto exit;
-
- /* only clear the bss list when a scan is actively initiated,
- * otherwise simply rely on at76_bss_list_timeout */
- if (priv->scan_state == SCAN_IN_PROGRESS) {
- at76_free_bss_list(priv);
- priv->scan_need_any = 1;
- } else
- priv->scan_need_any = 0;
-
- ret = at76_start_scan(priv, 1);
-
- if (ret < 0)
- printk(KERN_ERR "%s: %s: start_scan failed with %d\n",
- priv->netdev->name, __func__, ret);
- else {
- at76_dbg(DBG_MGMT_TIMER,
- "%s:%d: starting mgmt_timer for %d ticks",
- __func__, __LINE__, SCAN_POLL_INTERVAL);
- schedule_delayed_work(&priv->dwork_get_scan,
- SCAN_POLL_INTERVAL);
- }
-
-exit:
- mutex_unlock(&priv->mtx);
-}
-
/* Enable or disable promiscuous mode */
static void at76_work_set_promisc(struct work_struct *work)
{
@@ -4078,7 +1625,7 @@ static void at76_work_set_promisc(struct work_struct *work)
ret = at76_set_mib(priv, &priv->mib_buf);
if (ret < 0)
printk(KERN_ERR "%s: set_mib (promiscuous_mode) failed: %d\n",
- priv->netdev->name, ret);
+ wiphy_name(priv->hw->wiphy), ret);

mutex_unlock(&priv->mtx);
}
@@ -4094,1088 +1641,757 @@ static void at76_work_submit_rx(struct work_struct *work)
mutex_unlock(&priv->mtx);
}

-/* We got an association response */
-static void at76_rx_mgmt_assoc(struct at76_priv *priv,
- struct at76_rx_buffer *buf)
+static void at76_rx_tasklet(unsigned long param)
{
- struct ieee80211_assoc_response *resp =
- (struct ieee80211_assoc_response *)buf->packet;
- u16 assoc_id = le16_to_cpu(resp->aid);
- u16 status = le16_to_cpu(resp->status);
-
- at76_dbg(DBG_RX_MGMT, "%s: rx AssocResp bssid %s capa 0x%04x status "
- "0x%04x assoc_id 0x%04x rates %s", priv->netdev->name,
- mac2str(resp->header.addr3), le16_to_cpu(resp->capability),
- status, assoc_id, hex2str(resp->info_element->data,
- resp->info_element->len));
-
- if (priv->mac_state != MAC_ASSOC) {
- printk(KERN_INFO "%s: AssocResp in state %s ignored\n",
- priv->netdev->name, mac_states[priv->mac_state]);
- return;
- }
-
- BUG_ON(!priv->curr_bss);
-
- cancel_delayed_work(&priv->dwork_assoc);
- if (status == WLAN_STATUS_SUCCESS) {
- struct bss_info *ptr = priv->curr_bss;
- priv->assoc_id = assoc_id & 0x3fff;
- /* update iwconfig params */
- memcpy(priv->bssid, ptr->bssid, ETH_ALEN);
- memcpy(priv->essid, ptr->ssid, ptr->ssid_len);
- priv->essid_size = ptr->ssid_len;
- priv->channel = ptr->channel;
- schedule_work(&priv->work_assoc_done);
- } else {
- at76_set_mac_state(priv, MAC_JOINING);
- schedule_work(&priv->work_join);
- }
-}
+ struct urb *urb = (struct urb *)param;
+ struct at76_priv *priv = urb->context;
+ struct at76_rx_buffer *buf;
+ struct ieee80211_rx_status rx_status = { 0 };

-/* Process disassociation request from the AP */
-static void at76_rx_mgmt_disassoc(struct at76_priv *priv,
- struct at76_rx_buffer *buf)
-{
- struct ieee80211_disassoc *resp =
- (struct ieee80211_disassoc *)buf->packet;
- struct ieee80211_hdr_3addr *mgmt = &resp->header;
-
- at76_dbg(DBG_RX_MGMT,
- "%s: rx DisAssoc bssid %s reason 0x%04x destination %s",
- priv->netdev->name, mac2str(mgmt->addr3),
- le16_to_cpu(resp->reason), mac2str(mgmt->addr1));
-
- /* We are not connected, ignore */
- if (priv->mac_state == MAC_SCANNING || priv->mac_state == MAC_INIT
- || !priv->curr_bss)
+ if (priv->device_unplugged) {
+ at76_dbg(DBG_DEVSTART, "device unplugged");
+ if (urb)
+ at76_dbg(DBG_DEVSTART, "urb status %d", urb->status);
return;
+ }

- /* Not our BSSID, ignore */
- if (compare_ether_addr(mgmt->addr3, priv->curr_bss->bssid))
+ if (!priv->rx_skb || !priv->rx_skb->data)
return;

- /* Not for our STA and not broadcast, ignore */
- if (compare_ether_addr(priv->netdev->dev_addr, mgmt->addr1)
- && !is_broadcast_ether_addr(mgmt->addr1))
- return;
+ buf = (struct at76_rx_buffer *)priv->rx_skb->data;

- if (priv->mac_state != MAC_ASSOC && priv->mac_state != MAC_CONNECTED
- && priv->mac_state != MAC_JOINING) {
- printk(KERN_INFO "%s: DisAssoc in state %s ignored\n",
- priv->netdev->name, mac_states[priv->mac_state]);
+ if (urb->status != 0) {
+ if (urb->status != -ENOENT && urb->status != -ECONNRESET)
+ at76_dbg(DBG_URB,
+ "%s %s: - nonzero Rx bulk status received: %d",
+ __func__, wiphy_name(priv->hw->wiphy),
+ urb->status);
return;
}

- if (priv->mac_state == MAC_CONNECTED) {
- netif_carrier_off(priv->netdev);
- netif_stop_queue(priv->netdev);
- at76_iwevent_bss_disconnect(priv->netdev);
- }
- cancel_delayed_work(&priv->dwork_get_scan);
- cancel_delayed_work(&priv->dwork_beacon);
- cancel_delayed_work(&priv->dwork_auth);
- cancel_delayed_work(&priv->dwork_assoc);
- at76_set_mac_state(priv, MAC_JOINING);
- schedule_work(&priv->work_join);
+ at76_dbg(DBG_RX_ATMEL_HDR,
+ "%s: rx frame: rate %d rssi %d noise %d link %d",
+ wiphy_name(priv->hw->wiphy), buf->rx_rate, buf->rssi,
+ buf->noise_level, buf->link_quality);
+
+ skb_trim(priv->rx_skb, le16_to_cpu(buf->wlength) + AT76_RX_HDRLEN);
+ at76_dbg_dump(DBG_RX_DATA, &priv->rx_skb->data[AT76_RX_HDRLEN],
+ priv->rx_skb->len, "RX: len=%d", (int)(priv->rx_skb->len - AT76_RX_HDRLEN));
+
+ rx_status.signal = buf->rssi;
+ rx_status.rate_idx = buf->rx_rate; /* FIXME: is rate_idx still present in structure? */
+ rx_status.flag |= RX_FLAG_DECRYPTED;
+ rx_status.flag |= RX_FLAG_IV_STRIPPED;
+
+ skb_pull(priv->rx_skb, AT76_RX_HDRLEN);
+ at76_dbg(DBG_MAC80211, "calling ieee80211_rx_irqsafe(): %d/%d",
+ priv->rx_skb->len, priv->rx_skb->data_len);
+ ieee80211_rx_irqsafe(priv->hw, priv->rx_skb, &rx_status);
+
+ /* Use a new skb for the next receive */
+ priv->rx_skb = NULL;
+
+ at76_submit_rx_urb(priv);
}

-static void at76_rx_mgmt_auth(struct at76_priv *priv,
- struct at76_rx_buffer *buf)
+/* Load firmware into kernel memory and parse it */
+static struct fwentry *at76_load_firmware(struct usb_device *udev,
+ enum board_type board_type)
{
- struct ieee80211_auth *resp = (struct ieee80211_auth *)buf->packet;
- struct ieee80211_hdr_3addr *mgmt = &resp->header;
- int seq_nr = le16_to_cpu(resp->transaction);
- int alg = le16_to_cpu(resp->algorithm);
- int status = le16_to_cpu(resp->status);
-
- at76_dbg(DBG_RX_MGMT,
- "%s: rx AuthFrame bssid %s alg %d seq_nr %d status %d "
- "destination %s", priv->netdev->name, mac2str(mgmt->addr3),
- alg, seq_nr, status, mac2str(mgmt->addr1));
-
- if (alg == WLAN_AUTH_SHARED_KEY && seq_nr == 2)
- at76_dbg(DBG_RX_MGMT, "%s: AuthFrame challenge %s ...",
- priv->netdev->name, hex2str(resp->info_element, 18));
-
- if (priv->mac_state != MAC_AUTH) {
- printk(KERN_INFO "%s: ignored AuthFrame in state %s\n",
- priv->netdev->name, mac_states[priv->mac_state]);
- return;
- }
- if (priv->auth_mode != alg) {
- printk(KERN_INFO "%s: ignored AuthFrame for alg %d\n",
- priv->netdev->name, alg);
- return;
+ int ret;
+ char *str;
+ struct at76_fw_header *fwh;
+ struct fwentry *fwe = &firmwares[board_type];
+
+ mutex_lock(&fw_mutex);
+
+ if (fwe->loaded) {
+ at76_dbg(DBG_FW, "re-using previously loaded fw");
+ goto exit;
}

- BUG_ON(!priv->curr_bss);
+ at76_dbg(DBG_FW, "downloading firmware %s", fwe->fwname);
+ ret = request_firmware(&fwe->fw, fwe->fwname, &udev->dev);
+ if (ret < 0) {
+ dev_printk(KERN_ERR, &udev->dev, "firmware %s not found!\n",
+ fwe->fwname);
+ dev_printk(KERN_ERR, &udev->dev,
+ "you may need to download the firmware from "
+ "http://developer.berlios.de/projects/at76c503a/\n");
+ goto exit;
+ }

- /* Not our BSSID or not for our STA, ignore */
- if (compare_ether_addr(mgmt->addr3, priv->curr_bss->bssid)
- || compare_ether_addr(priv->netdev->dev_addr, mgmt->addr1))
- return;
+ at76_dbg(DBG_FW, "got it.");
+ fwh = (struct at76_fw_header *)(fwe->fw->data);

- cancel_delayed_work(&priv->dwork_auth);
- if (status != WLAN_STATUS_SUCCESS) {
- /* try to join next bss */
- at76_set_mac_state(priv, MAC_JOINING);
- schedule_work(&priv->work_join);
- return;
+ if (fwe->fw->size <= sizeof(*fwh)) {
+ dev_printk(KERN_ERR, &udev->dev,
+ "firmware is too short (0x%zx)\n", fwe->fw->size);
+ goto exit;
}

- if (priv->auth_mode == WLAN_AUTH_OPEN || seq_nr == 4) {
- priv->retries = ASSOC_RETRIES;
- at76_set_mac_state(priv, MAC_ASSOC);
- at76_assoc_req(priv, priv->curr_bss);
- at76_dbg(DBG_MGMT_TIMER,
- "%s:%d: starting mgmt_timer + HZ", __func__, __LINE__);
- schedule_delayed_work(&priv->dwork_assoc, ASSOC_TIMEOUT);
- return;
+ /* CRC currently not checked */
+ fwe->board_type = le32_to_cpu(fwh->board_type);
+ if (fwe->board_type != board_type) {
+ dev_printk(KERN_ERR, &udev->dev,
+ "board type mismatch, requested %u, got %u\n",
+ board_type, fwe->board_type);
+ goto exit;
}

- WARN_ON(seq_nr != 2);
- at76_auth_req(priv, priv->curr_bss, seq_nr + 1, resp->info_element);
- at76_dbg(DBG_MGMT_TIMER, "%s:%d: starting mgmt_timer + HZ", __func__,
- __LINE__);
- schedule_delayed_work(&priv->dwork_auth, AUTH_TIMEOUT);
-}
+ fwe->fw_version.major = fwh->major;
+ fwe->fw_version.minor = fwh->minor;
+ fwe->fw_version.patch = fwh->patch;
+ fwe->fw_version.build = fwh->build;

-static void at76_rx_mgmt_deauth(struct at76_priv *priv,
- struct at76_rx_buffer *buf)
-{
- struct ieee80211_disassoc *resp =
- (struct ieee80211_disassoc *)buf->packet;
- struct ieee80211_hdr_3addr *mgmt = &resp->header;
-
- at76_dbg(DBG_RX_MGMT | DBG_PROGRESS,
- "%s: rx DeAuth bssid %s reason 0x%04x destination %s",
- priv->netdev->name, mac2str(mgmt->addr3),
- le16_to_cpu(resp->reason), mac2str(mgmt->addr1));
-
- if (priv->mac_state != MAC_AUTH && priv->mac_state != MAC_ASSOC
- && priv->mac_state != MAC_CONNECTED) {
- printk(KERN_INFO "%s: DeAuth in state %s ignored\n",
- priv->netdev->name, mac_states[priv->mac_state]);
- return;
- }
+ str = (char *)fwh + le32_to_cpu(fwh->str_offset);
+ fwe->intfw = (u8 *)fwh + le32_to_cpu(fwh->int_fw_offset);
+ fwe->intfw_size = le32_to_cpu(fwh->int_fw_len);
+ fwe->extfw = (u8 *)fwh + le32_to_cpu(fwh->ext_fw_offset);
+ fwe->extfw_size = le32_to_cpu(fwh->ext_fw_len);

- BUG_ON(!priv->curr_bss);
+ fwe->loaded = 1;

- /* Not our BSSID, ignore */
- if (compare_ether_addr(mgmt->addr3, priv->curr_bss->bssid))
- return;
+ dev_printk(KERN_DEBUG, &udev->dev,
+ "using firmware %s (version %d.%d.%d-%d)\n",
+ fwe->fwname, fwh->major, fwh->minor, fwh->patch, fwh->build);

- /* Not for our STA and not broadcast, ignore */
- if (compare_ether_addr(priv->netdev->dev_addr, mgmt->addr1)
- && !is_broadcast_ether_addr(mgmt->addr1))
- return;
+ at76_dbg(DBG_DEVSTART, "board %u, int %d:%d, ext %d:%d", board_type,
+ le32_to_cpu(fwh->int_fw_offset), le32_to_cpu(fwh->int_fw_len),
+ le32_to_cpu(fwh->ext_fw_offset), le32_to_cpu(fwh->ext_fw_len));
+ at76_dbg(DBG_DEVSTART, "firmware id %s", str);

- if (priv->mac_state == MAC_CONNECTED)
- at76_iwevent_bss_disconnect(priv->netdev);
+exit:
+ mutex_unlock(&fw_mutex);

- at76_set_mac_state(priv, MAC_JOINING);
- schedule_work(&priv->work_join);
- cancel_delayed_work(&priv->dwork_get_scan);
- cancel_delayed_work(&priv->dwork_beacon);
- cancel_delayed_work(&priv->dwork_auth);
- cancel_delayed_work(&priv->dwork_assoc);
+ if (fwe->loaded)
+ return fwe;
+ else
+ return NULL;
}

-static void at76_rx_mgmt_beacon(struct at76_priv *priv,
- struct at76_rx_buffer *buf)
+static void at76_mac80211_tx_callback(struct urb *urb)
{
- int varpar_len;
- /* beacon content */
- struct ieee80211_beacon *bdata = (struct ieee80211_beacon *)buf->packet;
- struct ieee80211_hdr_3addr *mgmt = &bdata->header;
-
- struct list_head *lptr;
- struct bss_info *match; /* entry matching addr3 with its bssid */
- int new_entry = 0;
- int len;
- struct ieee80211_info_element *ie;
- int have_ssid = 0;
- int have_rates = 0;
- int have_channel = 0;
- int keep_going = 1;
- unsigned long flags;
-
- spin_lock_irqsave(&priv->bss_list_spinlock, flags);
- if (priv->mac_state == MAC_CONNECTED) {
- /* in state MAC_CONNECTED we use the mgmt_timer to control
- the beacon of the BSS */
- BUG_ON(!priv->curr_bss);
-
- if (!compare_ether_addr(priv->curr_bss->bssid, mgmt->addr3)) {
- /* We got our AP's beacon, defer the timeout handler.
- Kill pending work first, as schedule_delayed_work()
- won't do it. */
- cancel_delayed_work(&priv->dwork_beacon);
- schedule_delayed_work(&priv->dwork_beacon,
- BEACON_TIMEOUT);
- priv->curr_bss->rssi = buf->rssi;
- priv->beacons_received++;
- goto exit;
- }
- }
+ struct at76_priv *priv = urb->context;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(priv->tx_skb);

- /* look if we have this BSS already in the list */
- match = NULL;
+ at76_dbg(DBG_MAC80211, "%s()", __func__);

- if (!list_empty(&priv->bss_list)) {
- list_for_each(lptr, &priv->bss_list) {
- struct bss_info *bss_ptr =
- list_entry(lptr, struct bss_info, list);
- if (!compare_ether_addr(bss_ptr->bssid, mgmt->addr3)) {
- match = bss_ptr;
- break;
- }
- }
+ switch (urb->status) {
+ case 0:
+ /* success */
+ info->flags |= IEEE80211_TX_STAT_ACK; /* FIXME: is the frame really ACKed when tx_callback is called ? */
+ break;
+ case -ENOENT:
+ case -ECONNRESET:
+ /* fail, urb has been unlinked */
+ /* FIXME: add error message */
+ break;
+ default:
+ at76_dbg(DBG_URB, "%s - nonzero tx status received: %d",
+ __func__, urb->status);
+ break;
}

- if (!match) {
- /* BSS not in the list - append it */
- match = kzalloc(sizeof(struct bss_info), GFP_ATOMIC);
- if (!match) {
- at76_dbg(DBG_BSS_TABLE,
- "%s: cannot kmalloc new bss info (%zd byte)",
- priv->netdev->name, sizeof(struct bss_info));
- goto exit;
- }
- new_entry = 1;
- list_add_tail(&match->list, &priv->bss_list);
- }
+ memset(&info->status, 0, sizeof(info->status));

- match->capa = le16_to_cpu(bdata->capability);
- match->beacon_interval = le16_to_cpu(bdata->beacon_interval);
- match->rssi = buf->rssi;
- match->link_qual = buf->link_quality;
- match->noise_level = buf->noise_level;
- memcpy(match->bssid, mgmt->addr3, ETH_ALEN);
- at76_dbg(DBG_RX_BEACON, "%s: bssid %s", priv->netdev->name,
- mac2str(match->bssid));
-
- ie = bdata->info_element;
-
- /* length of var length beacon parameters */
- varpar_len = min_t(int, le16_to_cpu(buf->wlength) -
- sizeof(struct ieee80211_beacon),
- BEACON_MAX_DATA_LENGTH);
-
- /* This routine steps through the bdata->data array to get
- * some useful information about the access point.
- * Currently, this implementation supports receipt of: SSID,
- * supported transfer rates and channel, in any order, with some
- * tolerance for intermittent unknown codes (although this
- * functionality may not be necessary as the useful information will
- * usually arrive in consecutively, but there have been some
- * reports of some of the useful information fields arriving in a
- * different order).
- * It does not support any more IE types although MFIE_TYPE_TIM may
- * be supported (on my AP at least).
- * The bdata->data array is about 1500 bytes long but only ~36 of those
- * bytes are useful, hence the have_ssid etc optimizations. */
-
- while (keep_going &&
- ((&ie->data[ie->len] - (u8 *)bdata->info_element) <=
- varpar_len)) {
-
- switch (ie->id) {
-
- case MFIE_TYPE_SSID:
- if (have_ssid)
- break;
+ ieee80211_tx_status_irqsafe(priv->hw, priv->tx_skb);

- len = min_t(int, IW_ESSID_MAX_SIZE, ie->len);
+ priv->tx_skb = NULL;

- /* we copy only if this is a new entry,
- or the incoming SSID is not a hidden SSID. This
- will protect us from overwriting a real SSID read
- in a ProbeResponse with a hidden one from a
- following beacon. */
- if (!new_entry && at76_is_hidden_ssid(ie->data, len)) {
- have_ssid = 1;
- break;
- }
+ ieee80211_wake_queues(priv->hw);
+}

- match->ssid_len = len;
- memcpy(match->ssid, ie->data, len);
- at76_dbg(DBG_RX_BEACON, "%s: SSID - %.*s",
- priv->netdev->name, len, match->ssid);
- have_ssid = 1;
- break;
+static int at76_mac80211_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+ struct at76_priv *priv = hw->priv;
+ struct at76_tx_buffer *tx_buffer = priv->bulk_out_buffer;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ int padding, submit_len, ret;

- case MFIE_TYPE_RATES:
- if (have_rates)
- break;
+ at76_dbg(DBG_MAC80211, "%s()", __func__);

- match->rates_len =
- min_t(int, sizeof(match->rates), ie->len);
- memcpy(match->rates, ie->data, match->rates_len);
- have_rates = 1;
- at76_dbg(DBG_RX_BEACON, "%s: SUPPORTED RATES %s",
- priv->netdev->name,
- hex2str(ie->data, ie->len));
- break;
+ if (priv->tx_urb->status == -EINPROGRESS) {
+ printk(KERN_ERR "%s: %s called while tx urb is pending\n",
+ wiphy_name(priv->hw->wiphy), __func__);
+ return NETDEV_TX_BUSY;
+ }

- case MFIE_TYPE_DS_SET:
- if (have_channel)
- break;
+ ieee80211_stop_queues(hw);

- match->channel = ie->data[0];
- have_channel = 1;
- at76_dbg(DBG_RX_BEACON, "%s: CHANNEL - %d",
- priv->netdev->name, match->channel);
- break;
+ at76_ledtrig_tx_activity(); /* tell ledtrigger we send a packet */

- case MFIE_TYPE_CF_SET:
- case MFIE_TYPE_TIM:
- case MFIE_TYPE_IBSS_SET:
- default:
- at76_dbg(DBG_RX_BEACON, "%s: beacon IE id %d len %d %s",
- priv->netdev->name, ie->id, ie->len,
- hex2str(ie->data, ie->len));
- break;
- }
+ WARN_ON(priv->tx_skb != NULL);

- /* advance to the next informational element */
- next_ie(&ie);
+ priv->tx_skb = skb;
+ padding = at76_calc_padding(skb->len);
+ submit_len = AT76_TX_HDRLEN + skb->len + padding;

- /* Optimization: after all, the bdata->data array is
- * varpar_len bytes long, whereas we get all of the useful
- * information after only ~36 bytes, this saves us a lot of
- * time (and trouble as the remaining portion of the array
- * could be full of junk)
- * Comment this out if you want to see what other information
- * comes from the AP - although little of it may be useful */
- }
+ /* setup 'Atmel' header */
+ memset(tx_buffer, 0, sizeof(*tx_buffer));
+ tx_buffer->padding = padding;
+ tx_buffer->wlength = cpu_to_le16(skb->len);
+ tx_buffer->tx_rate = ieee80211_get_tx_rate(hw, info)->hw_value;
+ if (FIRMWARE_IS_WPA(priv->fw_version) && info->control.hw_key) {
+ tx_buffer->key_id = (info->control.hw_key->keyidx);
+ tx_buffer->cipher_type = priv->keys[info->control.hw_key->keyidx].cipher;
+ tx_buffer->cipher_length = priv->keys[info->control.hw_key->keyidx].keylen;
+ tx_buffer->reserved = 0;
+ } else {
+ tx_buffer->key_id = 0;
+ tx_buffer->cipher_type = 0;
+ tx_buffer->cipher_length = 0;
+ tx_buffer->reserved = 0;
+ };
+ /* memset(tx_buffer->reserved, 0, sizeof(tx_buffer->reserved)); */
+ memcpy(tx_buffer->packet, skb->data, skb->len);

- at76_dbg(DBG_RX_BEACON, "%s: Finished processing beacon data",
- priv->netdev->name);
+ at76_dbg(DBG_TX_DATA, "%s tx: wlen 0x%x pad 0x%x rate %d hdr",
+ wiphy_name(priv->hw->wiphy), le16_to_cpu(tx_buffer->wlength),
+ tx_buffer->padding, tx_buffer->tx_rate);

- match->last_rx = jiffies; /* record last rx of beacon */
+ /* send stuff */
+ at76_dbg_dump(DBG_TX_DATA_CONTENT, tx_buffer, submit_len,
+ "%s(): tx_buffer %d bytes:", __func__, submit_len);
+ usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe, tx_buffer,
+ submit_len, at76_mac80211_tx_callback, priv);
+ ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC);
+ if (ret) {
+ printk(KERN_ERR "%s: error in tx submit urb: %d\n",
+ wiphy_name(priv->hw->wiphy), ret);
+ if (ret == -EINVAL)
+ printk(KERN_ERR
+ "%s: -EINVAL: tx urb %p hcpriv %p complete %p\n",
+ wiphy_name(priv->hw->wiphy), priv->tx_urb,
+ priv->tx_urb->hcpriv, priv->tx_urb->complete);
+ }

-exit:
- spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
+ return 0;
}

-/* Calculate the link level from a given rx_buffer */
-static void at76_calc_level(struct at76_priv *priv, struct at76_rx_buffer *buf,
- struct iw_quality *qual)
+static int at76_mac80211_start(struct ieee80211_hw *hw)
{
- /* just a guess for now, might be different for other chips */
- int max_rssi = 42;
+ struct at76_priv *priv = hw->priv;
+ int ret;

- qual->level = (buf->rssi * 100 / max_rssi);
- if (qual->level > 100)
- qual->level = 100;
- qual->updated |= IW_QUAL_LEVEL_UPDATED;
-}
+ at76_dbg(DBG_MAC80211, "%s()", __func__);

-/* Calculate the link quality from a given rx_buffer */
-static void at76_calc_qual(struct at76_priv *priv, struct at76_rx_buffer *buf,
- struct iw_quality *qual)
-{
- if (at76_is_intersil(priv->board_type))
- qual->qual = buf->link_quality;
- else {
- unsigned long elapsed;
+ mutex_lock(&priv->mtx);

- /* Update qual at most once a second */
- elapsed = jiffies - priv->beacons_last_qual;
- if (elapsed < 1 * HZ)
- return;
+ ret = at76_submit_rx_urb(priv);
+ if (ret < 0) {
+ printk(KERN_ERR "%s: open: submit_rx_urb failed: %d\n",
+ wiphy_name(priv->hw->wiphy), ret);
+ goto error;
+ }

- qual->qual = qual->level * priv->beacons_received *
- msecs_to_jiffies(priv->beacon_period) / elapsed;
+ at76_startup_device(priv);

- priv->beacons_last_qual = jiffies;
- priv->beacons_received = 0;
- }
- qual->qual = (qual->qual > 100) ? 100 : qual->qual;
- qual->updated |= IW_QUAL_QUAL_UPDATED;
-}
+ at76_start_monitor(priv);

-/* Calculate the noise quality from a given rx_buffer */
-static void at76_calc_noise(struct at76_priv *priv, struct at76_rx_buffer *buf,
- struct iw_quality *qual)
-{
- qual->noise = 0;
- qual->updated |= IW_QUAL_NOISE_INVALID;
+error:
+ mutex_unlock(&priv->mtx);
+
+ return 0;
}

-static void at76_update_wstats(struct at76_priv *priv,
- struct at76_rx_buffer *buf)
+static void at76_mac80211_stop(struct ieee80211_hw *hw)
{
- struct iw_quality *qual = &priv->wstats.qual;
+ struct at76_priv *priv = hw->priv;

- if (buf->rssi && priv->mac_state == MAC_CONNECTED) {
- qual->updated = 0;
- at76_calc_level(priv, buf, qual);
- at76_calc_qual(priv, buf, qual);
- at76_calc_noise(priv, buf, qual);
- } else {
- qual->qual = 0;
- qual->level = 0;
- qual->noise = 0;
- qual->updated = IW_QUAL_ALL_INVALID;
- }
-}
+ at76_dbg(DBG_MAC80211, "%s()", __func__);

-static void at76_rx_mgmt(struct at76_priv *priv, struct at76_rx_buffer *buf)
-{
- struct ieee80211_hdr_3addr *mgmt =
- (struct ieee80211_hdr_3addr *)buf->packet;
- u16 framectl = le16_to_cpu(mgmt->frame_ctl);
-
- /* update wstats */
- if (priv->mac_state != MAC_INIT && priv->mac_state != MAC_SCANNING) {
- /* jal: this is a dirty hack needed by Tim in ad-hoc mode */
- /* Data packets always seem to have a 0 link level, so we
- only read link quality info from management packets.
- Atmel driver actually averages the present, and previous
- values, we just present the raw value at the moment - TJS */
- if (priv->iw_mode == IW_MODE_ADHOC
- || (priv->curr_bss
- && !compare_ether_addr(mgmt->addr3,
- priv->curr_bss->bssid)))
- at76_update_wstats(priv, buf);
- }
+ mutex_lock(&priv->mtx);

- at76_dbg(DBG_RX_MGMT_CONTENT, "%s rx mgmt framectl 0x%x %s",
- priv->netdev->name, framectl,
- hex2str(mgmt, le16_to_cpu(buf->wlength)));
+ if (!priv->device_unplugged) {
+ /* We are called by "ifconfig ethX down", not because the
+ * device is not available anymore. */
+ if (at76_set_radio(priv, 0) == 1)
+ at76_wait_completion(priv, CMD_RADIO_ON);

- switch (framectl & IEEE80211_FCTL_STYPE) {
- case IEEE80211_STYPE_BEACON:
- case IEEE80211_STYPE_PROBE_RESP:
- at76_rx_mgmt_beacon(priv, buf);
- break;
+ /* We unlink rx_urb because at76_open() re-submits it.
+ * If unplugged, at76_delete_device() takes care of it. */
+ usb_kill_urb(priv->rx_urb);
+ }

- case IEEE80211_STYPE_ASSOC_RESP:
- at76_rx_mgmt_assoc(priv, buf);
- break;
+ mutex_unlock(&priv->mtx);
+}

- case IEEE80211_STYPE_DISASSOC:
- at76_rx_mgmt_disassoc(priv, buf);
- break;
+static int at76_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct at76_priv *priv = hw->priv;
+ int ret = 0;

- case IEEE80211_STYPE_AUTH:
- at76_rx_mgmt_auth(priv, buf);
- break;
+ at76_dbg(DBG_MAC80211, "%s()", __func__);

- case IEEE80211_STYPE_DEAUTH:
- at76_rx_mgmt_deauth(priv, buf);
- break;
+ mutex_lock(&priv->mtx);

+ switch (conf->type) {
+ case NL80211_IFTYPE_STATION:
+ priv->iw_mode = IW_MODE_INFRA;
+ break;
default:
- printk(KERN_DEBUG "%s: ignoring frame with framectl 0x%04x\n",
- priv->netdev->name, framectl);
+ ret = -EOPNOTSUPP;
+ goto exit;
}

- return;
+exit:
+ mutex_unlock(&priv->mtx);
+
+ return ret;
}

-/* Convert the 802.11 header into an ethernet-style header, make skb
- * ready for consumption by netif_rx() */
-static void at76_ieee80211_to_eth(struct sk_buff *skb, int iw_mode)
+static void at76_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
{
- struct ieee80211_hdr_3addr *i802_11_hdr;
- struct ethhdr *eth_hdr_p;
- u8 *src_addr;
- u8 *dest_addr;
+ at76_dbg(DBG_MAC80211, "%s()", __func__);
+}

- i802_11_hdr = (struct ieee80211_hdr_3addr *)skb->data;
+static int at76_join(struct at76_priv *priv)
+{
+ struct at76_req_join join;
+ int ret;

- /* That would be the ethernet header if the hardware converted
- * the frame for us. Make sure the source and the destination
- * match the 802.11 header. Which hardware does it? */
- eth_hdr_p = (struct ethhdr *)skb_pull(skb, IEEE80211_3ADDR_LEN);
+ memset(&join, 0, sizeof(struct at76_req_join));
+ memcpy(join.essid, priv->essid, priv->essid_size);
+ join.essid_size = priv->essid_size;
+ memcpy(join.bssid, priv->bssid, ETH_ALEN);
+ join.bss_type = INFRASTRUCTURE_MODE;
+ join.channel = priv->channel;
+ join.timeout = cpu_to_le16(2000);

- dest_addr = i802_11_hdr->addr1;
- if (iw_mode == IW_MODE_ADHOC)
- src_addr = i802_11_hdr->addr2;
- else
- src_addr = i802_11_hdr->addr3;
+ at76_dbg(DBG_MAC80211, "%s: sending CMD_JOIN", __func__);
+ ret = at76_set_card_command(priv->udev, CMD_JOIN, &join,
+ sizeof(struct at76_req_join));

- if (!compare_ether_addr(eth_hdr_p->h_source, src_addr) &&
- !compare_ether_addr(eth_hdr_p->h_dest, dest_addr))
- /* Yes, we already have an ethernet header */
- skb_reset_mac_header(skb);
- else {
- u16 len;
-
- /* Need to build an ethernet header */
- if (!memcmp(skb->data, snapsig, sizeof(snapsig))) {
- /* SNAP frame - decapsulate, keep proto */
- skb_push(skb, offsetof(struct ethhdr, h_proto) -
- sizeof(rfc1042sig));
- len = 0;
- } else {
- /* 802.3 frame, proto is length */
- len = skb->len;
- skb_push(skb, ETH_HLEN);
- }
+ if (ret < 0) {
+ printk(KERN_ERR "%s: at76_set_card_command failed: %d\n",
+ wiphy_name(priv->hw->wiphy), ret);
+ return 0;
+ }

- skb_reset_mac_header(skb);
- eth_hdr_p = eth_hdr(skb);
- /* This needs to be done in this order (eth_hdr_p->h_dest may
- * overlap src_addr) */
- memcpy(eth_hdr_p->h_source, src_addr, ETH_ALEN);
- memcpy(eth_hdr_p->h_dest, dest_addr, ETH_ALEN);
- if (len)
- eth_hdr_p->h_proto = htons(len);
+ ret = at76_wait_completion(priv, CMD_JOIN);
+ at76_dbg(DBG_MAC80211, "%s: CMD_JOIN returned: 0x%02x", __func__, ret);
+ if (ret != CMD_STATUS_COMPLETE) {
+ printk(KERN_ERR "%s: at76_wait_completion failed: %d\n",
+ wiphy_name(priv->hw->wiphy), ret);
+ return 0;
}

- skb->protocol = eth_type_trans(skb, skb->dev);
+ at76_set_tkip_bssid(priv, priv->bssid);
+ at76_set_pm_mode(priv);
+
+ return 0;
}

-/* Check for fragmented data in priv->rx_skb. If the packet was no fragment
- or it was the last of a fragment set a skb containing the whole packet
- is returned for further processing. Otherwise we get NULL and are
- done and the packet is either stored inside the fragment buffer
- or thrown away. Every returned skb starts with the ieee802_11 header
- and contains _no_ FCS at the end */
-static struct sk_buff *at76_check_for_rx_frags(struct at76_priv *priv)
+static void at76_dwork_hw_scan(struct work_struct *work)
{
- struct sk_buff *skb = priv->rx_skb;
- struct at76_rx_buffer *buf = (struct at76_rx_buffer *)skb->data;
- struct ieee80211_hdr_3addr *i802_11_hdr =
- (struct ieee80211_hdr_3addr *)buf->packet;
- /* seq_ctrl, fragment_number, sequence number of new packet */
- u16 sctl = le16_to_cpu(i802_11_hdr->seq_ctl);
- u16 fragnr = sctl & 0xf;
- u16 seqnr = sctl >> 4;
- u16 frame_ctl = le16_to_cpu(i802_11_hdr->frame_ctl);
-
- /* Length including the IEEE802.11 header, but without the trailing
- * FCS and without the Atmel Rx header */
- int length = le16_to_cpu(buf->wlength) - IEEE80211_FCS_LEN;
+ struct at76_priv *priv = container_of(work, struct at76_priv,
+ dwork_hw_scan.work);
+ int ret;

- /* where does the data payload start in skb->data ? */
- u8 *data = i802_11_hdr->payload;
+ ret = at76_get_cmd_status(priv->udev, CMD_SCAN);
+ at76_dbg(DBG_MAC80211, "%s: CMD_SCAN status 0x%02x", __func__, ret);

- /* length of payload, excl. the trailing FCS */
- int data_len = length - IEEE80211_3ADDR_LEN;
+ /* FIXME: add maximum time for scan to complete */

- int i;
- struct rx_data_buf *bptr, *optr;
- unsigned long oldest = ~0UL;
-
- at76_dbg(DBG_RX_FRAGS,
- "%s: rx data frame_ctl %04x addr2 %s seq/frag %d/%d "
- "length %d data %d: %s ...", priv->netdev->name, frame_ctl,
- mac2str(i802_11_hdr->addr2), seqnr, fragnr, length, data_len,
- hex2str(data, 32));
-
- at76_dbg(DBG_RX_FRAGS_SKB, "%s: incoming skb: head %p data %p "
- "tail %p end %p len %d", priv->netdev->name, skb->head,
- skb->data, skb_tail_pointer(skb), skb_end_pointer(skb),
- skb->len);
-
- if (data_len < 0) {
- /* make sure data starts in the buffer */
- printk(KERN_INFO "%s: data frame too short\n",
- priv->netdev->name);
- return NULL;
+ if (ret != CMD_STATUS_COMPLETE) {
+ queue_delayed_work(priv->hw->workqueue, &priv->dwork_hw_scan,
+ SCAN_POLL_INTERVAL);
+ goto exit;
}

- WARN_ON(length <= AT76_RX_HDRLEN);
- if (length <= AT76_RX_HDRLEN)
- return NULL;
+ ieee80211_scan_completed(priv->hw);

- /* remove the at76_rx_buffer header - we don't need it anymore */
- /* we need the IEEE802.11 header (for the addresses) if this packet
- is the first of a chain */
- skb_pull(skb, AT76_RX_HDRLEN);
-
- /* remove FCS at end */
- skb_trim(skb, length);
-
- at76_dbg(DBG_RX_FRAGS_SKB, "%s: trimmed skb: head %p data %p tail %p "
- "end %p len %d data %p data_len %d", priv->netdev->name,
- skb->head, skb->data, skb_tail_pointer(skb),
- skb_end_pointer(skb), skb->len, data, data_len);
-
- if (fragnr == 0 && !(frame_ctl & IEEE80211_FCTL_MOREFRAGS)) {
- /* unfragmented packet received */
- /* Use a new skb for the next receive */
- priv->rx_skb = NULL;
- at76_dbg(DBG_RX_FRAGS, "%s: unfragmented", priv->netdev->name);
- return skb;
+ if (is_valid_ether_addr(priv->bssid)) {
+ ieee80211_wake_queues(priv->hw);
+ at76_join(priv);
}

- /* look if we've got a chain for the sender address.
- afterwards optr points to first free or the oldest entry,
- or, if i < NR_RX_DATA_BUF, bptr points to the entry for the
- sender address */
- /* determining the oldest entry doesn't cope with jiffies wrapping
- but I don't care to delete a young entry at these rare moments ... */
-
- bptr = priv->rx_data;
- optr = NULL;
- for (i = 0; i < NR_RX_DATA_BUF; i++, bptr++) {
- if (!bptr->skb) {
- optr = bptr;
- oldest = 0UL;
- continue;
- }
+ ieee80211_wake_queues(priv->hw);

- if (!compare_ether_addr(i802_11_hdr->addr2, bptr->sender))
- break;
+exit:
+ return;
+}

- if (!optr) {
- optr = bptr;
- oldest = bptr->last_rx;
- } else if (bptr->last_rx < oldest)
- optr = bptr;
- }
+static int at76_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len)
+{
+ struct at76_priv *priv = hw->priv;
+ struct at76_req_scan scan;
+ int ret;

- if (i < NR_RX_DATA_BUF) {
-
- at76_dbg(DBG_RX_FRAGS, "%s: %d. cacheentry (seq/frag = %d/%d) "
- "matched sender addr",
- priv->netdev->name, i, bptr->seqnr, bptr->fragnr);
-
- /* bptr points to an entry for the sender address */
- if (bptr->seqnr == seqnr) {
- int left;
- /* the fragment has the current sequence number */
- if (((bptr->fragnr + 1) & 0xf) != fragnr) {
- /* wrong fragment number -> ignore it */
- /* is & 0xf necessary above ??? */
- at76_dbg(DBG_RX_FRAGS,
- "%s: frag nr mismatch: %d + 1 != %d",
- priv->netdev->name, bptr->fragnr,
- fragnr);
- return NULL;
- }
- bptr->last_rx = jiffies;
- /* the next following fragment number ->
- add the data at the end */
-
- /* for test only ??? */
- left = skb_tailroom(bptr->skb);
- if (left < data_len)
- printk(KERN_INFO
- "%s: only %d byte free (need %d)\n",
- priv->netdev->name, left, data_len);
- else
- memcpy(skb_put(bptr->skb, data_len), data,
- data_len);
-
- bptr->fragnr = fragnr;
- if (frame_ctl & IEEE80211_FCTL_MOREFRAGS)
- return NULL;
-
- /* this was the last fragment - send it */
- skb = bptr->skb;
- bptr->skb = NULL; /* free the entry */
- at76_dbg(DBG_RX_FRAGS, "%s: last frag of seq %d",
- priv->netdev->name, seqnr);
- return skb;
- }
+ at76_dbg(DBG_MAC80211, "%s():", __func__);
+ at76_dbg_dump(DBG_MAC80211, ssid, len, "ssid %zd bytes:", len);

- /* got another sequence number */
- if (fragnr == 0) {
- /* it's the start of a new chain - replace the
- old one by this */
- /* bptr->sender has the correct value already */
- at76_dbg(DBG_RX_FRAGS,
- "%s: start of new seq %d, removing old seq %d",
- priv->netdev->name, seqnr, bptr->seqnr);
- bptr->seqnr = seqnr;
- bptr->fragnr = 0;
- bptr->last_rx = jiffies;
- /* swap bptr->skb and priv->rx_skb */
- skb = bptr->skb;
- bptr->skb = priv->rx_skb;
- priv->rx_skb = skb;
- } else {
- /* it from the middle of a new chain ->
- delete the old entry and skip the new one */
- at76_dbg(DBG_RX_FRAGS,
- "%s: middle of new seq %d (%d) "
- "removing old seq %d",
- priv->netdev->name, seqnr, fragnr,
- bptr->seqnr);
- dev_kfree_skb(bptr->skb);
- bptr->skb = NULL;
- }
- return NULL;
- }
+ mutex_lock(&priv->mtx);

- /* if we didn't find a chain for the sender address, optr
- points either to the first free or the oldest entry */
+ ieee80211_stop_queues(hw);

- if (fragnr != 0) {
- /* this is not the begin of a fragment chain ... */
- at76_dbg(DBG_RX_FRAGS,
- "%s: no chain for non-first fragment (%d)",
- priv->netdev->name, fragnr);
- return NULL;
+ memset(&scan, 0, sizeof(struct at76_req_scan));
+ memset(scan.bssid, 0xFF, ETH_ALEN);
+ scan.scan_type = SCAN_TYPE_ACTIVE;
+ if (priv->essid_size > 0) {
+ memcpy(scan.essid, ssid, len);
+ scan.essid_size = len;
}
+ scan.min_channel_time = cpu_to_le16(priv->scan_min_time);
+ scan.max_channel_time = cpu_to_le16(priv->scan_max_time);
+ scan.probe_delay = cpu_to_le16(priv->scan_min_time * 1000);
+ scan.international_scan = 0;

- BUG_ON(!optr);
- if (optr->skb) {
- /* swap the skb's */
- skb = optr->skb;
- optr->skb = priv->rx_skb;
- priv->rx_skb = skb;
+ at76_dbg(DBG_MAC80211, "%s: sending CMD_SCAN", __func__);
+ ret = at76_set_card_command(priv->udev, CMD_SCAN, &scan, sizeof(scan));

- at76_dbg(DBG_RX_FRAGS,
- "%s: free old contents: sender %s seq/frag %d/%d",
- priv->netdev->name, mac2str(optr->sender),
- optr->seqnr, optr->fragnr);
+ if (ret < 0) {
+ err("CMD_SCAN failed: %d", ret);
+ goto exit;
+ }

- } else {
- /* take the skb from priv->rx_skb */
- optr->skb = priv->rx_skb;
- /* let at76_submit_rx_urb() allocate a new skb */
- priv->rx_skb = NULL;
+ queue_delayed_work(priv->hw->workqueue, &priv->dwork_hw_scan,
+ SCAN_POLL_INTERVAL);

- at76_dbg(DBG_RX_FRAGS, "%s: use a free entry",
- priv->netdev->name);
- }
- memcpy(optr->sender, i802_11_hdr->addr2, ETH_ALEN);
- optr->seqnr = seqnr;
- optr->fragnr = 0;
- optr->last_rx = jiffies;
+exit:
+ mutex_unlock(&priv->mtx);

- return NULL;
+ return 0;
}

-/* Rx interrupt: we expect the complete data buffer in priv->rx_skb */
-static void at76_rx_data(struct at76_priv *priv)
+static int at76_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
{
- struct net_device *netdev = priv->netdev;
- struct net_device_stats *stats = &priv->stats;
- struct sk_buff *skb = priv->rx_skb;
- struct at76_rx_buffer *buf = (struct at76_rx_buffer *)skb->data;
- struct ieee80211_hdr_3addr *i802_11_hdr;
- int length = le16_to_cpu(buf->wlength);
+ struct at76_priv *priv = hw->priv;

- at76_dbg(DBG_RX_DATA, "%s received data packet: %s", netdev->name,
- hex2str(skb->data, AT76_RX_HDRLEN));
+ at76_dbg(DBG_MAC80211, "%s(): channel %d radio %d",
+ __func__, conf->channel->hw_value, conf->radio_enabled);
+ at76_dbg_dump(DBG_MAC80211, priv->essid, priv->essid_size, "ssid:");
+ at76_dbg_dump(DBG_MAC80211, priv->bssid, ETH_ALEN, "bssid:");

- at76_dbg(DBG_RX_DATA_CONTENT, "rx packet: %s",
- hex2str(skb->data + AT76_RX_HDRLEN, length));
-
- skb = at76_check_for_rx_frags(priv);
- if (!skb)
- return;
-
- /* Atmel header and the FCS are already removed */
- i802_11_hdr = (struct ieee80211_hdr_3addr *)skb->data;
+ mutex_lock(&priv->mtx);

- skb->dev = netdev;
- skb->ip_summed = CHECKSUM_NONE; /* TODO: should check CRC */
+ priv->channel = conf->channel->hw_value;

- if (is_broadcast_ether_addr(i802_11_hdr->addr1)) {
- if (!compare_ether_addr(i802_11_hdr->addr1, netdev->broadcast))
- skb->pkt_type = PACKET_BROADCAST;
- else
- skb->pkt_type = PACKET_MULTICAST;
- } else if (compare_ether_addr(i802_11_hdr->addr1, netdev->dev_addr))
- skb->pkt_type = PACKET_OTHERHOST;
-
- at76_ieee80211_to_eth(skb, priv->iw_mode);
+ if (is_valid_ether_addr(priv->bssid)) {
+ at76_join(priv);
+ ieee80211_wake_queues(priv->hw);
+ } else {
+ ieee80211_stop_queues(priv->hw);
+ at76_start_monitor(priv);
+ };

- netdev->last_rx = jiffies;
- netif_rx(skb);
- stats->rx_packets++;
- stats->rx_bytes += length;
+ mutex_unlock(&priv->mtx);

- return;
+ return 0;
}

-static void at76_rx_monitor_mode(struct at76_priv *priv)
+static int at76_config_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_if_conf *conf)
{
- struct at76_rx_radiotap *rt;
- u8 *payload;
- int skblen;
- struct net_device *netdev = priv->netdev;
- struct at76_rx_buffer *buf =
- (struct at76_rx_buffer *)priv->rx_skb->data;
- /* length including the IEEE802.11 header and the trailing FCS,
- but not at76_rx_buffer */
- int length = le16_to_cpu(buf->wlength);
- struct sk_buff *skb = priv->rx_skb;
- struct net_device_stats *stats = &priv->stats;
+ struct at76_priv *priv = hw->priv;

- if (length < IEEE80211_FCS_LEN) {
- /* buffer contains no data */
- at76_dbg(DBG_MONITOR_MODE,
- "%s: MONITOR MODE: rx skb without data",
- priv->netdev->name);
- return;
- }
+ at76_dbg(DBG_MAC80211, "%s(): ssid_len=%zd", __func__, conf->ssid_len);
+ at76_dbg_dump(DBG_MAC80211, conf->ssid, conf->ssid_len, "ssid:");
+ at76_dbg_dump(DBG_MAC80211, conf->bssid, ETH_ALEN, "bssid:");

- skblen = sizeof(struct at76_rx_radiotap) + length;
+ mutex_lock(&priv->mtx);

- skb = dev_alloc_skb(skblen);
- if (!skb) {
- printk(KERN_ERR "%s: MONITOR MODE: dev_alloc_skb for radiotap "
- "header returned NULL\n", priv->netdev->name);
- return;
- }
+ memcpy(priv->bssid, conf->bssid, ETH_ALEN);
+ memcpy(priv->essid, conf->ssid, conf->ssid_len);
+ priv->essid_size = conf->ssid_len;
+
+ if (is_valid_ether_addr(priv->bssid)) {
+ /* mac80211 is joining a bss */
+ ieee80211_wake_queues(priv->hw);
+ at76_join(priv);
+ } else
+ ieee80211_stop_queues(priv->hw);
+
+ mutex_unlock(&priv->mtx);

- skb_put(skb, skblen);
-
- rt = (struct at76_rx_radiotap *)skb->data;
- payload = skb->data + sizeof(struct at76_rx_radiotap);
-
- rt->rt_hdr.it_version = 0;
- rt->rt_hdr.it_pad = 0;
- rt->rt_hdr.it_len = cpu_to_le16(sizeof(struct at76_rx_radiotap));
- rt->rt_hdr.it_present = cpu_to_le32(AT76_RX_RADIOTAP_PRESENT);
-
- rt->rt_tsft = cpu_to_le64(le32_to_cpu(buf->rx_time));
- rt->rt_rate = hw_rates[buf->rx_rate] & (~0x80);
- rt->rt_signal = buf->rssi;
- rt->rt_noise = buf->noise_level;
- rt->rt_flags = IEEE80211_RADIOTAP_F_FCS;
- if (buf->fragmentation)
- rt->rt_flags |= IEEE80211_RADIOTAP_F_FRAG;
-
- memcpy(payload, buf->packet, length);
- skb->dev = netdev;
- skb->ip_summed = CHECKSUM_NONE;
- skb_reset_mac_header(skb);
- skb->pkt_type = PACKET_OTHERHOST;
- skb->protocol = htons(ETH_P_802_2);
-
- netdev->last_rx = jiffies;
- netif_rx(skb);
- stats->rx_packets++;
- stats->rx_bytes += length;
+ return 0;
}

-/* Check if we spy on the sender address in buf and update stats */
-static void at76_iwspy_update(struct at76_priv *priv,
- struct at76_rx_buffer *buf)
+/* must be atomic */
+static void at76_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags, int mc_count,
+ struct dev_addr_list *mc_list)
{
- struct ieee80211_hdr_3addr *hdr =
- (struct ieee80211_hdr_3addr *)buf->packet;
- struct iw_quality qual;
+ struct at76_priv *priv = hw->priv;
+ int flags;

- /* We can only set the level here */
- qual.updated = IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
- qual.level = 0;
- qual.noise = 0;
- at76_calc_level(priv, buf, &qual);
+ at76_dbg(DBG_MAC80211, "%s(): changed_flags=0x%08x "
+ "total_flags=0x%08x mc_count=%d",
+ __func__, changed_flags, *total_flags, mc_count);

- spin_lock_bh(&priv->spy_spinlock);
+ flags = changed_flags & AT76_SUPPORTED_FILTERS;
+ *total_flags = AT76_SUPPORTED_FILTERS;

- if (priv->spy_data.spy_number > 0)
- wireless_spy_update(priv->netdev, hdr->addr2, &qual);
+ /* FIXME: access to priv->promisc should be protected with
+ * priv->mtx, but it's impossible because this function needs to be
+ * atomic */

- spin_unlock_bh(&priv->spy_spinlock);
+ if (flags && !priv->promisc) {
+ /* mac80211 wants us to enable promiscuous mode */
+ priv->promisc = 1;
+ } else if (!flags && priv->promisc) {
+ /* we need to disable promiscuous mode */
+ priv->promisc = 0;
+ } else
+ return;
+
+ queue_work(hw->workqueue, &priv->work_set_promisc);
}

-static void at76_rx_tasklet(unsigned long param)
+static int at76_set_key_oldfw(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ const u8 *local_address, const u8 *address,
+ struct ieee80211_key_conf *key)
{
- struct urb *urb = (struct urb *)param;
- struct at76_priv *priv = urb->context;
- struct net_device *netdev = priv->netdev;
- struct at76_rx_buffer *buf;
- struct ieee80211_hdr_3addr *i802_11_hdr;
- u16 frame_ctl;
+ struct at76_priv *priv = hw->priv;

- if (priv->device_unplugged) {
- at76_dbg(DBG_DEVSTART, "device unplugged");
- if (urb)
- at76_dbg(DBG_DEVSTART, "urb status %d", urb->status);
- return;
- }
+ int i;

- if (!priv->rx_skb || !netdev || !priv->rx_skb->data)
- return;
+ at76_dbg(DBG_MAC80211, "%s(): cmd %d key->alg %d key->keyidx %d "
+ "key->keylen %d",
+ __func__, cmd, key->alg, key->keyidx, key->keylen);

- buf = (struct at76_rx_buffer *)priv->rx_skb->data;
+ if (key->alg != ALG_WEP)
+ return -EOPNOTSUPP;

- i802_11_hdr = (struct ieee80211_hdr_3addr *)buf->packet;
+ key->hw_key_idx = key->keyidx;

- frame_ctl = le16_to_cpu(i802_11_hdr->frame_ctl);
+ mutex_lock(&priv->mtx);

- if (urb->status != 0) {
- if (urb->status != -ENOENT && urb->status != -ECONNRESET)
- at76_dbg(DBG_URB,
- "%s %s: - nonzero Rx bulk status received: %d",
- __func__, netdev->name, urb->status);
- return;
- }
+ switch (cmd) {
+ case SET_KEY:
+ memcpy(priv->wep_keys[key->keyidx], key->key, key->keylen);
+ priv->wep_keys_len[key->keyidx] = key->keylen;

- at76_dbg(DBG_RX_ATMEL_HDR,
- "%s: rx frame: rate %d rssi %d noise %d link %d %s",
- priv->netdev->name, buf->rx_rate, buf->rssi, buf->noise_level,
- buf->link_quality, hex2str(i802_11_hdr, 48));
- if (priv->iw_mode == IW_MODE_MONITOR) {
- at76_rx_monitor_mode(priv);
- goto exit;
- }
+ /* FIXME: find out how to do this properly */
+ priv->wep_key_id = key->keyidx;

- /* there is a new bssid around, accept it: */
- if (buf->newbss && priv->iw_mode == IW_MODE_ADHOC) {
- at76_dbg(DBG_PROGRESS, "%s: rx newbss", netdev->name);
- schedule_work(&priv->work_new_bss);
- }
-
- switch (frame_ctl & IEEE80211_FCTL_FTYPE) {
- case IEEE80211_FTYPE_DATA:
- at76_rx_data(priv);
break;
+ case DISABLE_KEY:
+ default:
+ priv->wep_keys_len[key->keyidx] = 0;
+ break;
+ }

- case IEEE80211_FTYPE_MGMT:
- /* jal: TODO: find out if we can update iwspy also on
- other frames than management (might depend on the
- radio chip / firmware version !) */
+ priv->wep_enabled = 0;

- at76_iwspy_update(priv, buf);
+ for (i = 0; i < WEP_KEYS; i++) {
+ if (priv->wep_keys_len[i] != 0)
+ priv->wep_enabled = 1;
+ }

- at76_rx_mgmt(priv, buf);
- break;
+ at76_startup_device(priv);

- case IEEE80211_FTYPE_CTL:
- at76_dbg(DBG_RX_CTRL, "%s: ignored ctrl frame: %04x",
- priv->netdev->name, frame_ctl);
- break;
+ mutex_unlock(&priv->mtx);

- default:
- printk(KERN_DEBUG "%s: ignoring frame with framectl 0x%04x\n",
- priv->netdev->name, frame_ctl);
- }
-exit:
- at76_submit_rx_urb(priv);
+ return 0;
}

-/* Load firmware into kernel memory and parse it */
-static struct fwentry *at76_load_firmware(struct usb_device *udev,
- enum board_type board_type)
+static int at76_set_key_newfw(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ const u8 *local_address, const u8 *address,
+ struct ieee80211_key_conf *key)
{
- int ret;
- char *str;
- struct at76_fw_header *fwh;
- struct fwentry *fwe = &firmwares[board_type];
+ struct at76_priv *priv = hw->priv;
+ int ret = -EOPNOTSUPP;

- mutex_lock(&fw_mutex);
+ at76_dbg(DBG_MAC80211, "%s(): cmd %d key->alg %d key->keyidx %d "
+ "key->keylen %d",
+ __func__, cmd, key->alg, key->keyidx, key->keylen);

- if (fwe->loaded) {
- at76_dbg(DBG_FW, "re-using previously loaded fw");
- goto exit;
- }
+ mutex_lock(&priv->mtx);

- at76_dbg(DBG_FW, "downloading firmware %s", fwe->fwname);
- ret = request_firmware(&fwe->fw, fwe->fwname, &udev->dev);
- if (ret < 0) {
- dev_printk(KERN_ERR, &udev->dev, "firmware %s not found!\n",
- fwe->fwname);
- dev_printk(KERN_ERR, &udev->dev,
- "you may need to download the firmware from "
- "http://developer.berlios.de/projects/at76c503a/");
- goto exit;
- }
+ priv->mib_buf.type = MIB_MAC_ENCRYPTION;

- at76_dbg(DBG_FW, "got it.");
- fwh = (struct at76_fw_header *)(fwe->fw->data);
+ if (cmd == DISABLE_KEY) {
+ priv->mib_buf.size = CIPHER_KEY_LEN;
+ priv->mib_buf.index = offsetof(struct mib_mac_encryption,
+ cipher_default_keyvalue[key->keyidx]);
+ memset(priv->mib_buf.data.data, 0, CIPHER_KEY_LEN);
+ if (at76_set_mib(priv, &priv->mib_buf) != CMD_STATUS_COMPLETE)
+ ret = -EOPNOTSUPP; /* -EIO would be probably better */
+ else {

- if (fwe->fw->size <= sizeof(*fwh)) {
- dev_printk(KERN_ERR, &udev->dev,
- "firmware is too short (0x%zx)\n", fwe->fw->size);
- goto exit;
- }
+ priv->keys[key->keyidx].cipher = CIPHER_NONE;
+ priv->keys[key->keyidx].keylen = 0;
+ };
+ if (priv->default_group_key == key->keyidx)
+ priv->default_group_key = 0xff;

- /* CRC currently not checked */
- fwe->board_type = le32_to_cpu(fwh->board_type);
- if (fwe->board_type != board_type) {
- dev_printk(KERN_ERR, &udev->dev,
- "board type mismatch, requested %u, got %u\n",
- board_type, fwe->board_type);
+ if (priv->default_pairwise_key == key->keyidx)
+ priv->default_pairwise_key = 0xff;
+ /* If default pairwise key is removed, fall back to
+ * group key? */
+ ret = 0;
goto exit;
- }
+ };

- fwe->fw_version.major = fwh->major;
- fwe->fw_version.minor = fwh->minor;
- fwe->fw_version.patch = fwh->patch;
- fwe->fw_version.build = fwh->build;
+ if (cmd == SET_KEY) {
+ /* store key into MIB */
+ priv->mib_buf.size = CIPHER_KEY_LEN;
+ priv->mib_buf.index = offsetof(struct mib_mac_encryption,
+ cipher_default_keyvalue[key->keyidx]);
+ memset(priv->mib_buf.data.data, 0, CIPHER_KEY_LEN);
+ memcpy(priv->mib_buf.data.data, key->key, key->keylen);
+
+ switch (key->alg) {
+ case ALG_WEP:
+ if (key->keylen == 5) {
+ priv->keys[key->keyidx].cipher =
+ CIPHER_WEP64;
+ priv->keys[key->keyidx].keylen = 8;
+ } else if (key->keylen == 13) {
+ priv->keys[key->keyidx].cipher =
+ CIPHER_WEP128;
+ /* Firmware needs this */
+ priv->keys[key->keyidx].keylen = 8;
+ } else {
+ ret = -EOPNOTSUPP;
+ goto exit;
+ };
+ break;
+ case ALG_TKIP:
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+ priv->keys[key->keyidx].cipher = CIPHER_TKIP;
+ priv->keys[key->keyidx].keylen = 12;
+ break;

- str = (char *)fwh + le32_to_cpu(fwh->str_offset);
- fwe->intfw = (u8 *)fwh + le32_to_cpu(fwh->int_fw_offset);
- fwe->intfw_size = le32_to_cpu(fwh->int_fw_len);
- fwe->extfw = (u8 *)fwh + le32_to_cpu(fwh->ext_fw_offset);
- fwe->extfw_size = le32_to_cpu(fwh->ext_fw_len);
+ case ALG_CCMP:
+ if (!at76_is_505a(priv->board_type)) {
+ ret = -EOPNOTSUPP;
+ goto exit;
+ };
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+ priv->keys[key->keyidx].cipher = CIPHER_CCMP;
+ priv->keys[key->keyidx].keylen = 16;
+ break;

- fwe->loaded = 1;
+ default:
+ ret = -EOPNOTSUPP;
+ goto exit;

- dev_printk(KERN_DEBUG, &udev->dev,
- "using firmware %s (version %d.%d.%d-%d)\n",
- fwe->fwname, fwh->major, fwh->minor, fwh->patch, fwh->build);
+ };

- at76_dbg(DBG_DEVSTART, "board %u, int %d:%d, ext %d:%d", board_type,
- le32_to_cpu(fwh->int_fw_offset), le32_to_cpu(fwh->int_fw_len),
- le32_to_cpu(fwh->ext_fw_offset), le32_to_cpu(fwh->ext_fw_len));
- at76_dbg(DBG_DEVSTART, "firmware id %s", str);
+ priv->mib_buf.data.data[38] = priv->keys[key->keyidx].cipher;
+ priv->mib_buf.data.data[39] = 1; /* Taken from atmelwlandriver,
+ not documented */
+
+ if (is_valid_ether_addr(address))
+ /* Pairwise key */
+ priv->mib_buf.data.data[39] |= (KEY_PAIRWISE | KEY_TX);
+ else if (is_broadcast_ether_addr(address))
+ /* Group key */
+ priv->mib_buf.data.data[39] |= (KEY_TX);
+ else /* Key used only for transmission ??? */
+ priv->mib_buf.data.data[39] |= (KEY_TX);
+
+ if (at76_set_mib(priv, &priv->mib_buf) !=
+ CMD_STATUS_COMPLETE) {
+ ret = -EOPNOTSUPP; /* -EIO would be probably better */
+ goto exit;
+ };

+ if ((key->alg == ALG_TKIP) || (key->alg == ALG_CCMP))
+ at76_reset_rsc(priv);
+
+ key->hw_key_idx = key->keyidx;
+
+ /* Set up default keys */
+ if (is_broadcast_ether_addr(address))
+ priv->default_group_key = key->keyidx;
+ if (is_valid_ether_addr(address))
+ priv->default_pairwise_key = key->keyidx;
+
+ /* Set up encryption MIBs */
+
+ /* first block of settings */
+ priv->mib_buf.size = 3;
+ priv->mib_buf.index = offsetof(struct mib_mac_encryption,
+ privacy_invoked);
+ priv->mib_buf.data.data[0] = 1; /* privacy_invoked */
+ priv->mib_buf.data.data[1] = priv->default_pairwise_key;
+ priv->mib_buf.data.data[2] = priv->default_group_key;
+
+ if ((ret = at76_set_mib(priv, &priv->mib_buf)) !=
+ CMD_STATUS_COMPLETE)
+ goto exit;
+
+ /* second block of settings */
+ priv->mib_buf.size = 3;
+ priv->mib_buf.index = offsetof(struct mib_mac_encryption,
+ exclude_unencrypted);
+ priv->mib_buf.data.data[0] = 1; /* exclude_unencrypted */
+ priv->mib_buf.data.data[1] = 0; /* wep_encryption_type */
+ priv->mib_buf.data.data[2] = 0; /* ckip_key_permutation */
+
+ if ((ret = at76_set_mib(priv, &priv->mib_buf)) !=
+ CMD_STATUS_COMPLETE)
+ goto exit;
+ ret = 0;
+ };
exit:
- mutex_unlock(&fw_mutex);
+ at76_dump_mib_mac_encryption(priv);
+ mutex_unlock(&priv->mtx);
+ return ret;
+}

- if (fwe->loaded)
- return fwe;
+static int at76_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ const u8 *local_address, const u8 *address,
+ struct ieee80211_key_conf *key)
+{
+ struct at76_priv *priv = hw->priv;
+
+ // int i;
+
+ at76_dbg(DBG_MAC80211, "%s(): cmd %d key->alg %d key->keyidx %d "
+ "key->keylen %d",
+ __func__, cmd, key->alg, key->keyidx, key->keylen);
+
+ if (FIRMWARE_IS_WPA(priv->fw_version))
+ return at76_set_key_newfw(hw, cmd, local_address, address, key);
else
- return NULL;
+ return at76_set_key_oldfw(hw, cmd, local_address, address, key);
+
}

+static const struct ieee80211_ops at76_ops = {
+ .tx = at76_mac80211_tx,
+ .add_interface = at76_add_interface,
+ .remove_interface = at76_remove_interface,
+ .config = at76_config,
+ .config_interface = at76_config_interface,
+ .configure_filter = at76_configure_filter,
+ .start = at76_mac80211_start,
+ .stop = at76_mac80211_stop,
+ .hw_scan = at76_hw_scan,
+ .set_key = at76_set_key,
+};
+
/* Allocate network device and initialize private data */
static struct at76_priv *at76_alloc_new_device(struct usb_device *udev)
{
- struct net_device *netdev;
+ struct ieee80211_hw *hw;
struct at76_priv *priv;
- int i;

- /* allocate memory for our device state and initialize it */
- netdev = alloc_etherdev(sizeof(struct at76_priv));
- if (!netdev) {
- dev_printk(KERN_ERR, &udev->dev, "out of memory\n");
+ hw = ieee80211_alloc_hw(sizeof(struct at76_priv), &at76_ops);
+ if (!hw) {
+ printk(KERN_ERR DRIVER_NAME ": could not register"
+ " ieee80211_hw\n");
return NULL;
}

- priv = netdev_priv(netdev);
+ priv = hw->priv;
+ priv->hw = hw;

priv->udev = udev;
- priv->netdev = netdev;

mutex_init(&priv->mtx);
- INIT_WORK(&priv->work_assoc_done, at76_work_assoc_done);
- INIT_WORK(&priv->work_join, at76_work_join);
- INIT_WORK(&priv->work_new_bss, at76_work_new_bss);
- INIT_WORK(&priv->work_start_scan, at76_work_start_scan);
INIT_WORK(&priv->work_set_promisc, at76_work_set_promisc);
INIT_WORK(&priv->work_submit_rx, at76_work_submit_rx);
- INIT_DELAYED_WORK(&priv->dwork_restart, at76_dwork_restart);
- INIT_DELAYED_WORK(&priv->dwork_get_scan, at76_dwork_get_scan);
- INIT_DELAYED_WORK(&priv->dwork_beacon, at76_dwork_beacon);
- INIT_DELAYED_WORK(&priv->dwork_auth, at76_dwork_auth);
- INIT_DELAYED_WORK(&priv->dwork_assoc, at76_dwork_assoc);
-
- spin_lock_init(&priv->mgmt_spinlock);
- priv->next_mgmt_bulk = NULL;
- priv->mac_state = MAC_INIT;
-
- /* initialize empty BSS list */
- priv->curr_bss = NULL;
- INIT_LIST_HEAD(&priv->bss_list);
- spin_lock_init(&priv->bss_list_spinlock);
-
- init_timer(&priv->bss_list_timer);
- priv->bss_list_timer.data = (unsigned long)priv;
- priv->bss_list_timer.function = at76_bss_list_timeout;
-
- spin_lock_init(&priv->spy_spinlock);
-
- /* mark all rx data entries as unused */
- for (i = 0; i < NR_RX_DATA_BUF; i++)
- priv->rx_data[i].skb = NULL;
+ INIT_DELAYED_WORK(&priv->dwork_hw_scan, at76_dwork_hw_scan);

priv->rx_tasklet.func = at76_rx_tasklet;
priv->rx_tasklet.data = 0;
@@ -5183,6 +2399,9 @@ static struct at76_priv *at76_alloc_new_device(struct usb_device *udev)
priv->pm_mode = AT76_PM_OFF;
priv->pm_period = 0;

+ /* unit us */
+ priv->hw->channel_change_time = 100000;
+
return priv;
}

@@ -5245,11 +2464,41 @@ static int at76_alloc_urbs(struct at76_priv *priv,
return 0;
}

+static struct ieee80211_rate at76_rates[] = {
+ { .bitrate = 10, .hw_value = TX_RATE_1MBIT, },
+ { .bitrate = 20, .hw_value = TX_RATE_2MBIT, },
+ { .bitrate = 55, .hw_value = TX_RATE_5_5MBIT, },
+ { .bitrate = 110, .hw_value = TX_RATE_11MBIT, },
+};
+
+static struct ieee80211_channel at76_channels[] = {
+ { .center_freq = 2412, .hw_value = 1 },
+ { .center_freq = 2417, .hw_value = 2 },
+ { .center_freq = 2422, .hw_value = 3 },
+ { .center_freq = 2427, .hw_value = 4 },
+ { .center_freq = 2432, .hw_value = 5 },
+ { .center_freq = 2437, .hw_value = 6 },
+ { .center_freq = 2442, .hw_value = 7 },
+ { .center_freq = 2447, .hw_value = 8 },
+ { .center_freq = 2452, .hw_value = 9 },
+ { .center_freq = 2457, .hw_value = 10 },
+ { .center_freq = 2462, .hw_value = 11 },
+ { .center_freq = 2467, .hw_value = 12 },
+ { .center_freq = 2472, .hw_value = 13 },
+ { .center_freq = 2484, .hw_value = 14 }
+};
+
+static struct ieee80211_supported_band at76_supported_band = {
+ .channels = at76_channels,
+ .n_channels = ARRAY_SIZE(at76_channels),
+ .bitrates = at76_rates,
+ .n_bitrates = ARRAY_SIZE(at76_rates),
+};
+
/* Register network device and initialize the hardware */
static int at76_init_new_device(struct at76_priv *priv,
struct usb_interface *interface)
{
- struct net_device *netdev = priv->netdev;
int ret;

/* set up the endpoint information */
@@ -5271,8 +2520,6 @@ static int at76_init_new_device(struct at76_priv *priv,
}

priv->domain = at76_get_reg_domain(priv->regulatory_domain);
- /* init. netdev->dev_addr */
- memcpy(netdev->dev_addr, priv->mac_addr, ETH_ALEN);

priv->channel = DEF_CHANNEL;
priv->iw_mode = IW_MODE_INFRA;
@@ -5282,47 +2529,55 @@ static int at76_init_new_device(struct at76_priv *priv,
priv->txrate = TX_RATE_AUTO;
priv->preamble_type = PREAMBLE_TYPE_LONG;
priv->beacon_period = 100;
- priv->beacons_last_qual = jiffies;
priv->auth_mode = WLAN_AUTH_OPEN;
priv->scan_min_time = DEF_SCAN_MIN_TIME;
priv->scan_max_time = DEF_SCAN_MAX_TIME;
priv->scan_mode = SCAN_TYPE_ACTIVE;
+ priv->default_pairwise_key = 0xff;
+ priv->default_group_key = 0xff;
+
+ /* mac80211 initialisation */
+ priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &at76_supported_band;

- netdev->flags &= ~IFF_MULTICAST; /* not yet or never */
- netdev->open = at76_open;
- netdev->stop = at76_stop;
- netdev->get_stats = at76_get_stats;
- netdev->ethtool_ops = &at76_ethtool_ops;
-
- /* Add pointers to enable iwspy support. */
- priv->wireless_data.spy_data = &priv->spy_data;
- netdev->wireless_data = &priv->wireless_data;
-
- netdev->hard_start_xmit = at76_tx;
- netdev->tx_timeout = at76_tx_timeout;
- netdev->watchdog_timeo = 2 * HZ;
- netdev->wireless_handlers = &at76_handler_def;
- netdev->set_multicast_list = at76_set_multicast;
- netdev->set_mac_address = at76_set_mac_address;
- dev_alloc_name(netdev, "wlan%d");
-
- ret = register_netdev(priv->netdev);
+ if (FIRMWARE_IS_WPA(priv->fw_version) &&
+ (at76_is_503rfmd(priv->board_type) ||
+ at76_is_505(priv->board_type)))
+ priv->hw->flags = IEEE80211_HW_SIGNAL_UNSPEC;
+ else
+ priv->hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
+ IEEE80211_HW_SIGNAL_UNSPEC;
+
+ priv->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+
+ SET_IEEE80211_DEV(priv->hw, &interface->dev);
+ SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr);
+
+ ret = ieee80211_register_hw(priv->hw);
if (ret) {
- dev_printk(KERN_ERR, &interface->dev,
- "cannot register netdevice (status %d)!\n", ret);
+ printk(KERN_ERR "cannot register mac80211 hw (status %d)!\n",
+ ret);
goto exit;
}
- priv->netdev_registered = 1;
+
+ priv->mac80211_registered = 1;

printk(KERN_INFO "%s: USB %s, MAC %s, firmware %d.%d.%d-%d\n",
- netdev->name, interface->dev.bus_id, mac2str(priv->mac_addr),
+ wiphy_name(priv->hw->wiphy),
+ interface->dev.bus_id, mac2str(priv->mac_addr),
priv->fw_version.major, priv->fw_version.minor,
priv->fw_version.patch, priv->fw_version.build);
- printk(KERN_INFO "%s: regulatory domain 0x%02x: %s\n", netdev->name,
+ printk(KERN_INFO "%s: regulatory domain 0x%02x: %s\n",
+ wiphy_name(priv->hw->wiphy),
priv->regulatory_domain, priv->domain->name);
-
- /* we let this timer run the whole time this driver instance lives */
- mod_timer(&priv->bss_list_timer, jiffies + BSS_LIST_TIMEOUT);
+ printk(KERN_INFO "%s: WPA support: ", wiphy_name(priv->hw->wiphy));
+ if (!FIRMWARE_IS_WPA(priv->fw_version))
+ printk("none\n");
+ else {
+ if (!at76_is_505a(priv->board_type))
+ printk("TKIP\n");
+ else
+ printk("TKIP, AES/CCMP\n");
+ };

exit:
return ret;
@@ -5330,15 +2585,13 @@ exit:

static void at76_delete_device(struct at76_priv *priv)
{
- int i;
-
at76_dbg(DBG_PROC_ENTRY, "%s: ENTER", __func__);

/* The device is gone, don't bother turning it off */
priv->device_unplugged = 1;

- if (priv->netdev_registered)
- unregister_netdev(priv->netdev);
+ if (priv->mac80211_registered)
+ ieee80211_unregister_hw(priv->hw);

/* assuming we used keventd, it must quiesce too */
flush_scheduled_work();
@@ -5359,25 +2612,11 @@ static void at76_delete_device(struct at76_priv *priv)
if (priv->rx_skb)
kfree_skb(priv->rx_skb);

- at76_free_bss_list(priv);
- del_timer_sync(&priv->bss_list_timer);
- cancel_delayed_work(&priv->dwork_get_scan);
- cancel_delayed_work(&priv->dwork_beacon);
- cancel_delayed_work(&priv->dwork_auth);
- cancel_delayed_work(&priv->dwork_assoc);
-
- if (priv->mac_state == MAC_CONNECTED)
- at76_iwevent_bss_disconnect(priv->netdev);
-
- for (i = 0; i < NR_RX_DATA_BUF; i++)
- if (priv->rx_data[i].skb) {
- dev_kfree_skb(priv->rx_data[i].skb);
- priv->rx_data[i].skb = NULL;
- }
usb_put_dev(priv->udev);

- at76_dbg(DBG_PROC_ENTRY, "%s: before freeing priv/netdev", __func__);
- free_netdev(priv->netdev); /* priv is in netdev */
+ at76_dbg(DBG_PROC_ENTRY, "%s: before freeing priv/ieee80211_hw",
+ __func__);
+ ieee80211_free_hw(priv->hw);

at76_dbg(DBG_PROC_ENTRY, "%s: EXIT", __func__);
}
@@ -5473,7 +2712,6 @@ static int at76_probe(struct usb_interface *interface,
goto error;
}

- SET_NETDEV_DEV(priv->netdev, &interface->dev);
usb_set_intfdata(interface, priv);

memcpy(&priv->fw_version, &fwv, sizeof(struct mib_fw_version));
@@ -5501,7 +2739,7 @@ static void at76_disconnect(struct usb_interface *interface)
if (!priv)
return;

- printk(KERN_INFO "%s: disconnecting\n", priv->netdev->name);
+ printk(KERN_INFO "%s: disconnecting\n", wiphy_name(priv->hw->wiphy));
at76_delete_device(priv);
dev_printk(KERN_INFO, &interface->dev, "disconnected\n");
}
@@ -5557,5 +2795,8 @@ MODULE_AUTHOR("Alex <alex@foogod.com>");
MODULE_AUTHOR("Nick Jones");
MODULE_AUTHOR("Balint Seeber <n0_5p4m_p13453@hotmail.com>");
MODULE_AUTHOR("Pavel Roskin <proski@gnu.org>");
+MODULE_AUTHOR("Guido Guenther <agx@sigxcpu.org>");
+MODULE_AUTHOR("Kalle Valo <kalle.valo@iki.fi>");
+MODULE_AUTHOR("Milan Plzik <milan.plzik@gmail.com>");
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
diff --git a/drivers/staging/at76_usb/at76_usb.h b/drivers/staging/at76_usb/at76_usb.h
index b20be9d..8bb352f 100644
--- a/drivers/staging/at76_usb/at76_usb.h
+++ b/drivers/staging/at76_usb/at76_usb.h
@@ -34,23 +34,6 @@ enum board_type {
BOARD_505AMX = 8
};

-/* our private ioctl's */
-/* preamble length (0 - long, 1 - short, 2 - auto) */
-#define AT76_SET_SHORT_PREAMBLE (SIOCIWFIRSTPRIV + 0)
-#define AT76_GET_SHORT_PREAMBLE (SIOCIWFIRSTPRIV + 1)
-/* which debug channels are enabled */
-#define AT76_SET_DEBUG (SIOCIWFIRSTPRIV + 2)
-#define AT76_GET_DEBUG (SIOCIWFIRSTPRIV + 3)
-/* power save mode (incl. the Atmel proprietary smart save mode) */
-#define AT76_SET_POWERSAVE_MODE (SIOCIWFIRSTPRIV + 4)
-#define AT76_GET_POWERSAVE_MODE (SIOCIWFIRSTPRIV + 5)
-/* min and max channel times for scan */
-#define AT76_SET_SCAN_TIMES (SIOCIWFIRSTPRIV + 6)
-#define AT76_GET_SCAN_TIMES (SIOCIWFIRSTPRIV + 7)
-/* scan mode (0 - active, 1 - passive) */
-#define AT76_SET_SCAN_MODE (SIOCIWFIRSTPRIV + 8)
-#define AT76_GET_SCAN_MODE (SIOCIWFIRSTPRIV + 9)
-
#define CMD_STATUS_IDLE 0x00
#define CMD_STATUS_COMPLETE 0x01
#define CMD_STATUS_UNKNOWN 0x02
@@ -82,6 +65,7 @@ enum board_type {
#define MIB_MAC 0x03
#define MIB_MAC_MGMT 0x05
#define MIB_MAC_WEP 0x06
+#define MIB_MAC_ENCRYPTION 0x06
#define MIB_PHY 0x07
#define MIB_FW_VERSION 0x08
#define MIB_MDOMAIN 0x09
@@ -106,6 +90,26 @@ enum board_type {
#define AT76_PM_ON 2
#define AT76_PM_SMART 3

+/* cipher values for encryption keys */
+#define CIPHER_NONE 0 /* this value is only guessed */
+#define CIPHER_WEP64 1
+#define CIPHER_TKIP 2
+#define CIPHER_CCMP 3
+#define CIPHER_CCX 4 /* for consistency sake only */
+#define CIPHER_WEP128 5
+
+/* bit flags key types for encryption keys */
+#define KEY_PAIRWISE 2
+#define KEY_TX 4
+
+#define CIPHER_KEYS (4)
+#define CIPHER_KEY_LEN (40)
+
+struct key_config {
+ u8 cipher;
+ u8 keylen;
+};
+
struct hwcfg_r505 {
u8 cr39_values[14];
u8 reserved1[14];
@@ -147,6 +151,9 @@ union at76_hwcfg {

#define WEP_SMALL_KEY_LEN (40 / 8)
#define WEP_LARGE_KEY_LEN (104 / 8)
+#define WEP_KEYS (4)
+
+

struct at76_card_config {
u8 exclude_unencrypted;
@@ -161,7 +168,7 @@ struct at76_card_config {
u8 privacy_invoked;
u8 wep_default_key_id; /* 0..3 */
u8 current_ssid[32];
- u8 wep_default_key_value[4][WEP_KEY_LEN];
+ u8 wep_default_key_value[4][WEP_LARGE_KEY_LEN];
u8 ssid_len;
u8 short_preamble;
__le16 beacon_period;
@@ -186,7 +193,7 @@ struct at76_rx_buffer {
u8 link_quality;
u8 noise_level;
__le32 rx_time;
- u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN];
+ u8 packet[IEEE80211_MAX_FRAG_THRESHOLD];
} __attribute__((packed));

/* Length of Atmel-specific Tx header before 802.11 frame */
@@ -196,8 +203,11 @@ struct at76_tx_buffer {
__le16 wlength;
u8 tx_rate;
u8 padding;
- u8 reserved[4];
- u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN];
+ u8 key_id;
+ u8 cipher_type;
+ u8 cipher_length;
+ u8 reserved;
+ u8 packet[IEEE80211_MAX_FRAG_THRESHOLD];
} __attribute__((packed));

/* defines for scan_type below */
@@ -244,6 +254,7 @@ struct set_mib_buffer {
u8 byte;
__le16 word;
u8 addr[ETH_ALEN];
+ u8 data[256]; /* we need more space for mib_mac_encryption */
} data;
} __attribute__((packed));

@@ -317,10 +328,24 @@ struct mib_mac_wep {
u8 exclude_unencrypted;
__le32 wep_icv_error_count;
__le32 wep_excluded_count;
- u8 wep_default_keyvalue[WEP_KEYS][WEP_KEY_LEN];
+ u8 wep_default_keyvalue[WEP_KEYS][WEP_LARGE_KEY_LEN];
u8 encryption_level; /* 1 for 40bit, 2 for 104bit encryption */
} __attribute__((packed));

+struct mib_mac_encryption {
+ u8 cipher_default_keyvalue[CIPHER_KEYS][CIPHER_KEY_LEN];
+ u8 tkip_bssid[6];
+ u8 privacy_invoked;
+ u8 cipher_default_key_id;
+ u8 cipher_default_group_key_id;
+ u8 exclude_unencrypted;
+ u8 wep_encryption_type;
+ u8 ckip_key_permutation; /* bool */
+ __le32 wep_icv_error_count;
+ __le32 wep_excluded_count;
+ u8 key_rsc[CIPHER_KEYS][8];
+} __attribute__((packed));
+
struct mib_phy {
__le32 ed_threshold;

@@ -364,16 +389,6 @@ struct at76_fw_header {
__le32 ext_fw_len; /* external firmware image length */
} __attribute__((packed));

-enum mac_state {
- MAC_INIT,
- MAC_SCANNING,
- MAC_AUTH,
- MAC_ASSOC,
- MAC_JOINING,
- MAC_CONNECTED,
- MAC_OWN_IBSS
-};
-
/* a description of a regulatory domain and the allowed channels */
struct reg_domain {
u16 code;
@@ -381,47 +396,6 @@ struct reg_domain {
u32 channel_map; /* if bit N is set, channel (N+1) is allowed */
};

-/* how long do we keep a (I)BSS in the bss_list in jiffies
- this should be long enough for the user to retrieve the table
- (by iwlist ?) after the device started, because all entries from
- other channels than the one the device locks on get removed, too */
-#define BSS_LIST_TIMEOUT (120 * HZ)
-/* struct to store BSS info found during scan */
-#define BSS_LIST_MAX_RATE_LEN 32 /* 32 rates should be enough ... */
-
-struct bss_info {
- struct list_head list;
-
- u8 bssid[ETH_ALEN]; /* bssid */
- u8 ssid[IW_ESSID_MAX_SIZE]; /* essid */
- u8 ssid_len; /* length of ssid above */
- u8 channel;
- u16 capa; /* BSS capabilities */
- u16 beacon_interval; /* beacon interval, Kus (1024 microseconds) */
- u8 rates[BSS_LIST_MAX_RATE_LEN]; /* supported rates in units of
- 500 kbps, ORed with 0x80 for
- basic rates */
- u8 rates_len;
-
- /* quality of received beacon */
- u8 rssi;
- u8 link_qual;
- u8 noise_level;
-
- unsigned long last_rx; /* time (jiffies) of last beacon received */
-};
-
-/* a rx data buffer to collect rx fragments */
-struct rx_data_buf {
- u8 sender[ETH_ALEN]; /* sender address */
- u16 seqnr; /* sequence number */
- u16 fragnr; /* last fragment received */
- unsigned long last_rx; /* jiffies of last rx */
- struct sk_buff *skb; /* == NULL if entry is free */
-};
-
-#define NR_RX_DATA_BUF 8
-
/* Data for one loaded firmware file */
struct fwentry {
const char *const fwname;
@@ -438,11 +412,9 @@ struct fwentry {

struct at76_priv {
struct usb_device *udev; /* USB device pointer */
- struct net_device *netdev; /* net device pointer */
- struct net_device_stats stats; /* net device stats */
- struct iw_statistics wstats; /* wireless stats */

struct sk_buff *rx_skb; /* skbuff for receiving data */
+ struct sk_buff *tx_skb; /* skbuff for transmitting data */
void *bulk_out_buffer; /* buffer for sending data */

struct urb *tx_urb; /* URB for sending data */
@@ -454,26 +426,17 @@ struct at76_priv {
struct mutex mtx; /* locks this structure */

/* work queues */
- struct work_struct work_assoc_done;
- struct work_struct work_join;
- struct work_struct work_new_bss;
- struct work_struct work_start_scan;
struct work_struct work_set_promisc;
struct work_struct work_submit_rx;
- struct delayed_work dwork_restart;
- struct delayed_work dwork_get_scan;
- struct delayed_work dwork_beacon;
- struct delayed_work dwork_auth;
- struct delayed_work dwork_assoc;
+ struct delayed_work dwork_hw_scan;

struct tasklet_struct rx_tasklet;

/* the WEP stuff */
int wep_enabled; /* 1 if WEP is enabled */
int wep_key_id; /* key id to be used */
- u8 wep_keys[WEP_KEYS][WEP_KEY_LEN]; /* the four WEP keys,
- 5 or 13 bytes are used */
- u8 wep_keys_len[WEP_KEYS]; /* the length of the above keys */
+ u8 wep_keys[WEP_KEYS][WEP_LARGE_KEY_LEN]; /* WEP keys */
+ u8 wep_keys_len[WEP_KEYS]; /* length of WEP keys */

int channel;
int iw_mode;
@@ -495,44 +458,13 @@ struct at76_priv {
int scan_mode; /* SCAN_TYPE_ACTIVE, SCAN_TYPE_PASSIVE */
int scan_need_any; /* if set, need to scan for any ESSID */

- /* the list we got from scanning */
- spinlock_t bss_list_spinlock; /* protects bss_list operations */
- struct list_head bss_list; /* list of BSS we got beacons from */
- struct timer_list bss_list_timer; /* timer to purge old entries
- from bss_list */
- struct bss_info *curr_bss; /* current BSS */
u16 assoc_id; /* current association ID, if associated */

- u8 wanted_bssid[ETH_ALEN];
- int wanted_bssid_valid; /* != 0 if wanted_bssid is to be used */
-
- /* some data for infrastructure mode only */
- spinlock_t mgmt_spinlock; /* this spinlock protects access to
- next_mgmt_bulk */
-
- struct at76_tx_buffer *next_mgmt_bulk; /* pending management msg to
- send via bulk out */
- enum mac_state mac_state;
- enum {
- SCAN_IDLE,
- SCAN_IN_PROGRESS,
- SCAN_COMPLETED
- } scan_state;
- time_t last_scan;
-
- int retries; /* remaining retries in case of timeout when
- * sending AuthReq or AssocReq */
u8 pm_mode; /* power management mode */
u32 pm_period; /* power management period in microseconds */

struct reg_domain const *domain; /* reg domain description */

- /* iwspy support */
- spinlock_t spy_spinlock;
- struct iw_spy_data spy_data;
-
- struct iw_public_data wireless_data;
-
/* These fields contain HW config provided by the device (not all of
* these fields are used by all board types) */
u8 mac_addr[ETH_ALEN];
@@ -540,9 +472,6 @@ struct at76_priv {

struct at76_card_config card_config;

- /* store rx fragments until complete */
- struct rx_data_buf rx_data[NR_RX_DATA_BUF];
-
enum board_type board_type;
struct mib_fw_version fw_version;

@@ -550,58 +479,20 @@ struct at76_priv {
unsigned int netdev_registered:1;
struct set_mib_buffer mib_buf; /* global buffer for set_mib calls */

- /* beacon counting */
int beacon_period; /* period of mgmt beacons, Kus */
- int beacons_received;
- unsigned long beacons_last_qual; /* time we restarted counting
- beacons */
-};

-struct at76_rx_radiotap {
- struct ieee80211_radiotap_header rt_hdr;
- __le64 rt_tsft;
- u8 rt_flags;
- u8 rt_rate;
- s8 rt_signal;
- s8 rt_noise;
-};
-
-#define AT76_RX_RADIOTAP_PRESENT \
- ((1 << IEEE80211_RADIOTAP_TSFT) | \
- (1 << IEEE80211_RADIOTAP_FLAGS) | \
- (1 << IEEE80211_RADIOTAP_RATE) | \
- (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
- (1 << IEEE80211_RADIOTAP_DB_ANTNOISE))
-
-#define BEACON_MAX_DATA_LENGTH 1500
-
-/* the maximum size of an AssocReq packet */
-#define ASSOCREQ_MAX_SIZE \
- (AT76_TX_HDRLEN + sizeof(struct ieee80211_assoc_request) + \
- 1 + 1 + IW_ESSID_MAX_SIZE + 1 + 1 + 4)
-
-/* for shared secret auth, add the challenge text size */
-#define AUTH_FRAME_SIZE (AT76_TX_HDRLEN + sizeof(struct ieee80211_auth))
+ struct ieee80211_hw *hw;
+ int mac80211_registered;

-/* Maximal number of AuthReq retries */
-#define AUTH_RETRIES 3
-
-/* Maximal number of AssocReq retries */
-#define ASSOC_RETRIES 3
-
-/* Beacon timeout in managed mode when we are connected */
-#define BEACON_TIMEOUT (10 * HZ)
-
-/* Timeout for authentication response */
-#define AUTH_TIMEOUT (1 * HZ)
+ struct key_config keys[4]; /* installed key types */
+ u8 default_pairwise_key;
+ u8 default_group_key;
+};

-/* Timeout for association response */
-#define ASSOC_TIMEOUT (1 * HZ)
+#define AT76_SUPPORTED_FILTERS FIF_PROMISC_IN_BSS

-/* Polling interval when scan is running */
#define SCAN_POLL_INTERVAL (HZ / 4)

-/* Command completion timeout */
#define CMD_COMPLETION_TIMEOUT (5 * HZ)

#define DEF_RTS_THRESHOLD 1536
@@ -611,8 +502,6 @@ struct at76_rx_radiotap {
#define DEF_SCAN_MIN_TIME 10
#define DEF_SCAN_MAX_TIME 120

-#define MAX_RTS_THRESHOLD (MAX_FRAG_THRESHOLD + 1)
-
/* the max padding size for tx in bytes (see calc_padding) */
#define MAX_PADDING_SIZE 53

--
1.6.0.2


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