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Date: Sun, 27 Jan 2008 08:43:14 -0800
From: David Brownell <david-b@...bell.net>
To: Jussi Kivilinna <jussi.kivilinna@...et.fi>
Cc: linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
bjd@...z.net
Subject: Re: [PATCH 14/14] Add new driver 'rndis_wlan' for wireless RNDIS devices.
On Friday 25 January 2008, Jussi Kivilinna wrote:
> New driver for wireless RNDIS devices. So far only known chip that uses
> wireless RNDIS is Broadcom 4320. Driver detects all RNDIS devices that
> have RNDIS wireless physical medium. At least following devices are
> detected:
>
> Buffalo WLI-U2-KG125S
> U.S. Robotics USR5421
> Belkin F5D7051
> Linksys WUSB54GSv2
> Linksys WUSB54GSC
> Asus WL169gE
> Eminent EM4045
> BT Voyager 1055
> Linksys WUSB54GSv1
> U.S. Robotics USR5420
> BUFFALO WLI-USB-G54
>
> Signed-off-by: Jussi Kivilinna <jussi.kivilinna@...et.fi>
OK by me, but I don't need to be in the loop on this one.
So I'm not really reviewing this code. Not that I know
much about this wireless stack!
> ---
>
> MAINTAINERS | 6
> drivers/net/wireless/Kconfig | 28
> drivers/net/wireless/Makefile | 2
> drivers/net/wireless/rndis_wlan.c | 2757 +++++++++++++++++++++++++++++++++++++
> 4 files changed, 2793 insertions(+), 0 deletions(-)
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 2340cfb..d6773c2 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -4031,6 +4031,12 @@ L: video4linux-list@...hat.com
> W: http://www.linux-projects.org
> S: Maintained
>
> +USB WIRELESS RNDIS DRIVER (rndis_wlan)
> +P: Jussi Kivilinna
> +M: jussi.kivilinna@...et.fi
> +L: linux-wireless@...r.kernel.org
> +S: Maintained
> +
> USB ZC0301 DRIVER
> P: Luca Risolia
> M: luca.risolia@...dio.unibo.it
> diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
> index 2c08c0a..962663c 100644
> --- a/drivers/net/wireless/Kconfig
> +++ b/drivers/net/wireless/Kconfig
> @@ -545,6 +545,34 @@ config USB_ZD1201
> To compile this driver as a module, choose M here: the
> module will be called zd1201.
>
> +config USB_NET_RNDIS_WLAN
> + tristate "Wireless RNDIS USB support"
> + depends on USB && WLAN_80211 && EXPERIMENTAL
> + select USB_USBNET
> + select USB_NET_CDCETHER
> + select USB_NET_RNDIS_HOST
> + select WIRELESS_EXT
> + ---help---
> + This is a driver for wireless RNDIS devices.
> + These are USB based adapters found in devices such as:
> +
> + Buffalo WLI-U2-KG125S
> + U.S. Robotics USR5421
> + Belkin F5D7051
> + Linksys WUSB54GSv2
> + Linksys WUSB54GSC
> + Asus WL169gE
> + Eminent EM4045
> + BT Voyager 1055
> + Linksys WUSB54GSv1
> + U.S. Robotics USR5420
> + BUFFALO WLI-USB-G54
> +
> + All of these devices are based on Broadcom 4320 chip which is the
> + only wireless RNDIS chip known to date.
> +
> + If you choose to build a module, it'll be called rndis_wlan.
> +
> config RTL8187
> tristate "Realtek 8187 USB support"
> depends on MAC80211 && USB && WLAN_80211 && EXPERIMENTAL
> diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
> index 6f32b53..e3e521e 100644
> --- a/drivers/net/wireless/Makefile
> +++ b/drivers/net/wireless/Makefile
> @@ -44,6 +44,8 @@ obj-$(CONFIG_ZD1211RW) += zd1211rw/
> obj-$(CONFIG_PCMCIA_RAYCS) += ray_cs.o
> obj-$(CONFIG_PCMCIA_WL3501) += wl3501_cs.o
>
> +obj-$(CONFIG_USB_NET_RNDIS_WLAN) += rndis_wlan.o
> +
> obj-$(CONFIG_USB_ZD1201) += zd1201.o
> obj-$(CONFIG_LIBERTAS) += libertas/
>
> diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
> new file mode 100644
> index 0000000..d3ecf89
> --- /dev/null
> +++ b/drivers/net/wireless/rndis_wlan.c
> @@ -0,0 +1,2757 @@
> +/*
> + * Driver for RNDIS based wireless USB devices.
> + *
> + * Copyright (C) 2007 by Bjorge Dijkstra <bjd@...z.net>
> + * Copyright (C) 2008 by Jussi Kivilinna <jussi.kivilinna@...et.fi>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> + *
> + * Portions of this file are based on NDISwrapper project,
> + * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
> + * http://ndiswrapper.sourceforge.net/
> + */
> +
> +// #define DEBUG // error path messages, extra info
> +// #define VERBOSE // more; success messages
> +
> +#include <linux/module.h>
> +#include <linux/init.h>
> +#include <linux/netdevice.h>
> +#include <linux/etherdevice.h>
> +#include <linux/ethtool.h>
> +#include <linux/workqueue.h>
> +#include <linux/mutex.h>
> +#include <linux/mii.h>
> +#include <linux/usb.h>
> +#include <linux/usb/cdc.h>
> +#include <linux/wireless.h>
> +#include <linux/if_arp.h>
> +#include <linux/ctype.h>
> +#include <linux/spinlock.h>
> +#include <net/iw_handler.h>
> +#include <net/ieee80211.h>
> +#include <linux/usb/usbnet.h>
> +#include <linux/usb/rndis_host.h>
> +
> +
> +/* NOTE: All these are settings for Broadcom chipset */
> +static char modparam_country[4] = "EU";
> +module_param_string(country, modparam_country, 4, 0444);
> +MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
> +
> +static int modparam_frameburst = 1;
> +module_param_named(frameburst, modparam_frameburst, int, 0444);
> +MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
> +
> +static int modparam_afterburner = 0;
> +module_param_named(afterburner, modparam_afterburner, int, 0444);
> +MODULE_PARM_DESC(afterburner,
> + "enable afterburner aka '125 High Speed Mode' (default: off)");
> +
> +static int modparam_power_save = 0;
> +module_param_named(power_save, modparam_power_save, int, 0444);
> +MODULE_PARM_DESC(power_save,
> + "set power save mode: 0=off, 1=on, 2=fast (default: off)");
> +
> +static int modparam_power_output = 3;
> +module_param_named(power_output, modparam_power_output, int, 0444);
> +MODULE_PARM_DESC(power_output,
> + "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
> +
> +static int modparam_roamtrigger = -70;
> +module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
> +MODULE_PARM_DESC(roamtrigger,
> + "set roaming dBm trigger: -80=optimize for distance, "
> + "-60=bandwidth (default: -70)");
> +
> +static int modparam_roamdelta = 1;
> +module_param_named(roamdelta, modparam_roamdelta, int, 0444);
> +MODULE_PARM_DESC(roamdelta,
> + "set roaming tendency: 0=aggressive, 1=moderate, "
> + "2=conservative (default: moderate)");
> +
> +static int modparam_workaround_interval = 500;
> +module_param_named(workaround_interval, modparam_workaround_interval,
> + int, 0444);
> +MODULE_PARM_DESC(workaround_interval,
> + "set stall workaround interval in msecs (default: 500)");
> +
> +
> +/* various RNDIS OID defs */
> +#define OID_GEN_LINK_SPEED ccpu2(0x00010107)
> +#define OID_GEN_RNDIS_CONFIG_PARAMETER ccpu2(0x0001021b)
> +
> +#define OID_GEN_XMIT_OK ccpu2(0x00020101)
> +#define OID_GEN_RCV_OK ccpu2(0x00020102)
> +#define OID_GEN_XMIT_ERROR ccpu2(0x00020103)
> +#define OID_GEN_RCV_ERROR ccpu2(0x00020104)
> +#define OID_GEN_RCV_NO_BUFFER ccpu2(0x00020105)
> +
> +#define OID_802_3_PERMANENT_ADDRESS ccpu2(0x01010101)
> +#define OID_802_3_CURRENT_ADDRESS ccpu2(0x01010102)
> +#define OID_802_3_MULTICAST_LIST ccpu2(0x01010103)
> +#define OID_802_3_MAXIMUM_LIST_SIZE ccpu2(0x01010104)
> +
> +#define OID_802_11_BSSID ccpu2(0x0d010101)
> +#define OID_802_11_SSID ccpu2(0x0d010102)
> +#define OID_802_11_INFRASTRUCTURE_MODE ccpu2(0x0d010108)
> +#define OID_802_11_ADD_WEP ccpu2(0x0d010113)
> +#define OID_802_11_REMOVE_WEP ccpu2(0x0d010114)
> +#define OID_802_11_DISASSOCIATE ccpu2(0x0d010115)
> +#define OID_802_11_AUTHENTICATION_MODE ccpu2(0x0d010118)
> +#define OID_802_11_PRIVACY_FILTER ccpu2(0x0d010119)
> +#define OID_802_11_BSSID_LIST_SCAN ccpu2(0x0d01011a)
> +#define OID_802_11_ENCRYPTION_STATUS ccpu2(0x0d01011b)
> +#define OID_802_11_ADD_KEY ccpu2(0x0d01011d)
> +#define OID_802_11_REMOVE_KEY ccpu2(0x0d01011e)
> +#define OID_802_11_PMKID ccpu2(0x0d010123)
> +#define OID_802_11_NETWORK_TYPES_SUPPORTED ccpu2(0x0d010203)
> +#define OID_802_11_NETWORK_TYPE_IN_USE ccpu2(0x0d010204)
> +#define OID_802_11_TX_POWER_LEVEL ccpu2(0x0d010205)
> +#define OID_802_11_RSSI ccpu2(0x0d010206)
> +#define OID_802_11_RSSI_TRIGGER ccpu2(0x0d010207)
> +#define OID_802_11_FRAGMENTATION_THRESHOLD ccpu2(0x0d010209)
> +#define OID_802_11_RTS_THRESHOLD ccpu2(0x0d01020a)
> +#define OID_802_11_SUPPORTED_RATES ccpu2(0x0d01020e)
> +#define OID_802_11_CONFIGURATION ccpu2(0x0d010211)
> +#define OID_802_11_BSSID_LIST ccpu2(0x0d010217)
> +
> +
> +/* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
> +#define WL_NOISE -96 /* typical noise level in dBm */
> +#define WL_SIGMAX -32 /* typical maximum signal level in dBm */
> +
> +
> +/* Assume that Broadcom 4320 (only chipset at time of writing known to be
> + * based on wireless rndis) has default txpower of 13dBm.
> + * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
> + * 13dBm == 19.9mW
> + */
> +#define BCM4320_DEFAULT_TXPOWER 20
> +
> +
> +/* codes for "status" field of completion messages */
> +#define RNDIS_STATUS_ADAPTER_NOT_READY ccpu2(0xc0010011)
> +#define RNDIS_STATUS_ADAPTER_NOT_OPEN ccpu2(0xc0010012)
> +
> +
> +/* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
> + * slightly modified for datatype endianess, etc
> + */
> +#define NDIS_802_11_LENGTH_SSID 32
> +#define NDIS_802_11_LENGTH_RATES 8
> +#define NDIS_802_11_LENGTH_RATES_EX 16
> +
> +struct NDIS_802_11_SSID {
> + __le32 SsidLength;
> + u8 Ssid[NDIS_802_11_LENGTH_SSID];
> +} __attribute__((packed));
> +
> +enum NDIS_802_11_NETWORK_TYPE {
> + Ndis802_11FH,
> + Ndis802_11DS,
> + Ndis802_11OFDM5,
> + Ndis802_11OFDM24,
> + Ndis802_11NetworkTypeMax
> +};
> +
> +struct NDIS_802_11_CONFIGURATION_FH {
> + __le32 Length;
> + __le32 HopPattern;
> + __le32 HopSet;
> + __le32 DwellTime;
> +} __attribute__((packed));
> +
> +struct NDIS_802_11_CONFIGURATION {
> + __le32 Length;
> + __le32 BeaconPeriod;
> + __le32 ATIMWindow;
> + __le32 DSConfig;
> + struct NDIS_802_11_CONFIGURATION_FH FHConfig;
> +} __attribute__((packed));
> +
> +enum NDIS_802_11_NETWORK_INFRASTRUCTURE {
> + Ndis802_11IBSS,
> + Ndis802_11Infrastructure,
> + Ndis802_11AutoUnknown,
> + Ndis802_11InfrastructureMax
> +};
> +
> +enum NDIS_802_11_AUTHENTICATION_MODE {
> + Ndis802_11AuthModeOpen,
> + Ndis802_11AuthModeShared,
> + Ndis802_11AuthModeAutoSwitch,
> + Ndis802_11AuthModeWPA,
> + Ndis802_11AuthModeWPAPSK,
> + Ndis802_11AuthModeWPANone,
> + Ndis802_11AuthModeWPA2,
> + Ndis802_11AuthModeWPA2PSK,
> + Ndis802_11AuthModeMax
> +};
> +
> +enum NDIS_802_11_ENCRYPTION_STATUS {
> + Ndis802_11WEPEnabled,
> + Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
> + Ndis802_11WEPDisabled,
> + Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
> + Ndis802_11WEPKeyAbsent,
> + Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
> + Ndis802_11WEPNotSupported,
> + Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
> + Ndis802_11Encryption2Enabled,
> + Ndis802_11Encryption2KeyAbsent,
> + Ndis802_11Encryption3Enabled,
> + Ndis802_11Encryption3KeyAbsent
> +};
> +
> +enum NDIS_802_11_PRIVACY_FILTER {
> + Ndis802_11PrivFilterAcceptAll,
> + Ndis802_11PrivFilter8021xWEP
> +};
> +
> +struct NDIS_WLAN_BSSID_EX {
> + __le32 Length;
> + u8 MacAddress[6];
> + u8 Padding[2];
> + struct NDIS_802_11_SSID Ssid;
> + __le32 Privacy;
> + __le32 Rssi;
> + enum NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
> + struct NDIS_802_11_CONFIGURATION Configuration;
> + enum NDIS_802_11_NETWORK_INFRASTRUCTURE InfrastructureMode;
> + u8 SupportedRates[NDIS_802_11_LENGTH_RATES_EX];
> + __le32 IELength;
> + u8 IEs[0];
> +} __attribute__((packed));
> +
> +struct NDIS_802_11_BSSID_LIST_EX {
> + __le32 NumberOfItems;
> + struct NDIS_WLAN_BSSID_EX Bssid[0];
> +} __attribute__((packed));
> +
> +struct NDIS_802_11_FIXED_IEs {
> + u8 Timestamp[8];
> + __le16 BeaconInterval;
> + __le16 Capabilities;
> +} __attribute__((packed));
> +
> +struct NDIS_802_11_WEP {
> + __le32 Length;
> + __le32 KeyIndex;
> + __le32 KeyLength;
> + u8 KeyMaterial[32];
> +} __attribute__((packed));
> +
> +struct NDIS_802_11_KEY {
> + __le32 Length;
> + __le32 KeyIndex;
> + __le32 KeyLength;
> + u8 Bssid[6];
> + u8 Padding[6];
> + __le64 KeyRSC;
> + u8 KeyMaterial[32];
> +} __attribute__((packed));
> +
> +struct NDIS_802_11_REMOVE_KEY {
> + __le32 Length;
> + __le32 KeyIndex;
> + u8 Bssid[6];
> +} __attribute__((packed));
> +
> +struct RNDIS_CONFIG_PARAMETER_INFOBUFFER {
> + __le32 ParameterNameOffset;
> + __le32 ParameterNameLength;
> + __le32 ParameterType;
> + __le32 ParameterValueOffset;
> + __le32 ParameterValueLength;
> +} __attribute__((packed));
> +
> +/* these have to match what is in wpa_supplicant */
> +enum { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP } wpa_alg;
> +enum { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP, CIPHER_WEP104 }
> + wpa_cipher;
> +enum { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE, KEY_MGMT_802_1X_NO_WPA,
> + KEY_MGMT_WPA_NONE } wpa_key_mgmt;
> +
> +/*
> + * private data
> + */
> +#define NET_TYPE_11FB 0
> +
> +#define CAP_MODE_80211A 1
> +#define CAP_MODE_80211B 2
> +#define CAP_MODE_80211G 4
> +#define CAP_MODE_MASK 7
> +#define CAP_SUPPORT_TXPOWER 8
> +
> +#define WORK_CONNECTION_EVENT (1<<0)
> +#define WORK_SET_MULTICAST_LIST (1<<1)
> +
> +/* RNDIS device private data */
> +struct rndis_wext_private {
> + char name[32];
> +
> + struct usbnet *usbdev;
> +
> + struct workqueue_struct *workqueue;
> + struct delayed_work stats_work;
> + struct work_struct work;
> + struct mutex command_lock;
> + spinlock_t stats_lock;
> + unsigned long work_pending;
> +
> + struct iw_statistics iwstats;
> + struct iw_statistics privstats;
> +
> + int nick_len;
> + char nick[32];
> +
> + int caps;
> + int multicast_size;
> +
> + /* module parameters */
> + char param_country[4];
> + int param_frameburst;
> + int param_afterburner;
> + int param_power_save;
> + int param_power_output;
> + int param_roamtrigger;
> + int param_roamdelta;
> + u32 param_workaround_interval;
> +
> + /* hardware state */
> + int radio_on;
> + int infra_mode;
> + struct NDIS_802_11_SSID essid;
> +
> + /* encryption stuff */
> + int encr_tx_key_index;
> + char encr_keys[4][32];
> + int encr_key_len[4];
> + int wpa_version;
> + int wpa_keymgmt;
> + int wpa_authalg;
> + int wpa_ie_len;
> + u8 *wpa_ie;
> + int wpa_cipher_pair;
> + int wpa_cipher_group;
> +};
> +
> +
> +static const int freq_chan[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
> + 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
> +
> +static const int rates_80211g[8] = { 6, 9, 12, 18, 24, 36, 48, 54 };
> +
> +static const int bcm4320_power_output[4] = { 25, 50, 75, 100 };
> +
> +static const unsigned char zero_bssid[ETH_ALEN] = {0,};
> +static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff,
> + 0xff, 0xff, 0xff };
> +
> +
> +static struct rndis_wext_private *get_rndis_wext_priv(struct usbnet *dev)
> +{
> + return (struct rndis_wext_private *)dev->driver_priv;
> +}
> +
> +
> +static u32 get_bcm4320_power(struct rndis_wext_private *priv)
> +{
> + return BCM4320_DEFAULT_TXPOWER *
> + bcm4320_power_output[priv->param_power_output] / 100;
> +}
> +
> +
> +/* translate error code */
> +static int rndis_error_status(__le32 rndis_status)
> +{
> + int ret = -EINVAL;
> + switch (rndis_status) {
> + case RNDIS_STATUS_SUCCESS:
> + ret = 0;
> + break;
> + case RNDIS_STATUS_FAILURE:
> + case RNDIS_STATUS_INVALID_DATA:
> + ret = -EINVAL;
> + break;
> + case RNDIS_STATUS_NOT_SUPPORTED:
> + ret = -EOPNOTSUPP;
> + break;
> + case RNDIS_STATUS_ADAPTER_NOT_READY:
> + case RNDIS_STATUS_ADAPTER_NOT_OPEN:
> + ret = -EBUSY;
> + break;
> + }
> + return ret;
> +}
> +
> +
> +static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
> + union {
> + void *buf;
> + struct rndis_msg_hdr *header;
> + struct rndis_query *get;
> + struct rndis_query_c *get_c;
> + } u;
> + int ret, buflen;
> +
> + buflen = *len + sizeof(*u.get);
> + if (buflen < CONTROL_BUFFER_SIZE)
> + buflen = CONTROL_BUFFER_SIZE;
> + u.buf = kmalloc(buflen, GFP_KERNEL);
> + if (!u.buf)
> + return -ENOMEM;
> + memset(u.get, 0, sizeof *u.get);
> + u.get->msg_type = RNDIS_MSG_QUERY;
> + u.get->msg_len = ccpu2(sizeof *u.get);
> + u.get->oid = oid;
> +
> + mutex_lock(&priv->command_lock);
> + ret = rndis_command(dev, u.header);
> + mutex_unlock(&priv->command_lock);
> +
> + if (ret == 0) {
> + ret = le32_to_cpu(u.get_c->len);
> + *len = (*len > ret) ? ret : *len;
> + memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
> + ret = rndis_error_status(u.get_c->status);
> + }
> +
> + kfree(u.buf);
> + return ret;
> +}
> +
> +
> +static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
> + union {
> + void *buf;
> + struct rndis_msg_hdr *header;
> + struct rndis_set *set;
> + struct rndis_set_c *set_c;
> + } u;
> + int ret, buflen;
> +
> + buflen = len + sizeof(*u.set);
> + if (buflen < CONTROL_BUFFER_SIZE)
> + buflen = CONTROL_BUFFER_SIZE;
> + u.buf = kmalloc(buflen, GFP_KERNEL);
> + if (!u.buf)
> + return -ENOMEM;
> +
> + memset(u.set, 0, sizeof *u.set);
> + u.set->msg_type = RNDIS_MSG_SET;
> + u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
> + u.set->oid = oid;
> + u.set->len = cpu_to_le32(len);
> + u.set->offset = ccpu2(sizeof(*u.set) - 8);
> + u.set->handle = ccpu2(0);
> + memcpy(u.buf + sizeof(*u.set), data, len);
> +
> + mutex_lock(&priv->command_lock);
> + ret = rndis_command(dev, u.header);
> + mutex_unlock(&priv->command_lock);
> +
> + if (ret == 0)
> + ret = rndis_error_status(u.set_c->status);
> +
> + kfree(u.buf);
> + return ret;
> +}
> +
> +
> +/*
> + * Specs say that we can only set config parameters only soon after device
> + * initialization.
> + * value_type: 0 = u32, 2 = unicode string
> + */
> +static int rndis_set_config_parameter(struct usbnet *dev, char *param,
> + int value_type, void *value)
> +{
> + struct RNDIS_CONFIG_PARAMETER_INFOBUFFER *infobuf;
> + int value_len, info_len, param_len, ret, i;
> + __le16 *unibuf;
> + __le32 *dst_value;
> +
> + if (value_type == 0)
> + value_len = sizeof(__le32);
> + else if (value_type == 2)
> + value_len = strlen(value) * sizeof(__le16);
> + else
> + return -EINVAL;
> +
> + param_len = strlen(param) * sizeof(__le16);
> + info_len = sizeof(*infobuf) + param_len + value_len;
> +
> +#ifdef DEBUG
> + info_len += 12;
> +#endif
> + infobuf = kmalloc(info_len, GFP_KERNEL);
> + if (!infobuf)
> + return -ENOMEM;
> +
> +#ifdef DEBUG
> + info_len -= 12;
> + /* extra 12 bytes are for padding (debug output) */
> + memset(infobuf, 0xCC, info_len + 12);
> +#endif
> +
> + if (value_type == 2)
> + devdbg(dev, "setting config parameter: %s, value: %s",
> + param, (u8 *)value);
> + else
> + devdbg(dev, "setting config parameter: %s, value: %d",
> + param, *(u32 *)value);
> +
> + infobuf->ParameterNameOffset = cpu_to_le32(sizeof(*infobuf));
> + infobuf->ParameterNameLength = cpu_to_le32(param_len);
> + infobuf->ParameterType = cpu_to_le32(value_type);
> + infobuf->ParameterValueOffset = cpu_to_le32(sizeof(*infobuf) +
> + param_len);
> + infobuf->ParameterValueLength = cpu_to_le32(value_len);
> +
> + /* simple string to unicode string conversion */
> + unibuf = (void *)infobuf + sizeof(*infobuf);
> + for (i = 0; i < param_len / sizeof(__le16); i++)
> + unibuf[i] = cpu_to_le16(param[i]);
> +
> + if (value_type == 2) {
> + unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
> + for (i = 0; i < value_len / sizeof(__le16); i++)
> + unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
> + } else {
> + dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
> + *dst_value = cpu_to_le32(*(u32 *)value);
> + }
> +
> +#ifdef DEBUG
> + devdbg(dev, "info buffer (len: %d):", info_len);
> + for (i = 0; i < info_len; i += 12) {
> + u32 *tmp = (u32 *)((u8 *)infobuf + i);
> + devdbg(dev, "%08X:%08X:%08X",
> + cpu_to_be32(tmp[0]),
> + cpu_to_be32(tmp[1]),
> + cpu_to_be32(tmp[2]));
> + }
> +#endif
> +
> + ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
> + infobuf, info_len);
> + if (ret != 0)
> + devdbg(dev, "setting rndis config paramater failed, %d.", ret);
> +
> + kfree(infobuf);
> + return ret;
> +}
> +
> +static int rndis_set_config_parameter_str(struct usbnet *dev,
> + char *param, char *value)
> +{
> + return(rndis_set_config_parameter(dev, param, 2, value));
> +}
> +
> +/*static int rndis_set_config_parameter_u32(struct usbnet *dev,
> + char *param, u32 value)
> +{
> + return(rndis_set_config_parameter(dev, param, 0, &value));
> +}*/
> +
> +
> +/*
> + * data conversion functions
> + */
> +static int level_to_qual(int level)
> +{
> + int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
> + return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
> +}
> +
> +
> +static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq)
> +{
> + freq->e = 0;
> + freq->i = 0;
> + freq->flags = 0;
> +
> + /* see comment in wireless.h above the "struct iw_freq"
> + * definition for an explanation of this if
> + * NOTE: 1000000 is due to the kHz
> + */
> + if (dsconfig > 1000000) {
> + freq->m = dsconfig / 10;
> + freq->e = 1;
> + } else
> + freq->m = dsconfig;
> +
> + /* convert from kHz to Hz */
> + freq->e += 3;
> +}
> +
> +
> +static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig)
> +{
> + if (freq->m < 1000 && freq->e == 0) {
> + if (freq->m >= 1 &&
> + freq->m <= (sizeof(freq_chan) / sizeof(freq_chan[0])))
> + *dsconfig = freq_chan[freq->m - 1] * 1000;
> + else
> + return -1;
> + } else {
> + int i;
> + *dsconfig = freq->m;
> + for (i = freq->e; i > 0; i--)
> + *dsconfig *= 10;
> + *dsconfig /= 1000;
> + }
> +
> + return 0;
> +}
> +
> +
> +/*
> + * common functions
> + */
> +static int
> +add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index);
> +
> +static int get_essid(struct usbnet *usbdev, struct NDIS_802_11_SSID *ssid)
> +{
> + int ret, len;
> +
> + len = sizeof(*ssid);
> + ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len);
> +
> + if (ret != 0)
> + ssid->SsidLength = 0;
> +
> +#ifdef DEBUG
> + {
> + unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1];
> +
> + memcpy(tmp, ssid->Ssid, le32_to_cpu(ssid->SsidLength));
> + tmp[le32_to_cpu(ssid->SsidLength)] = 0;
> + devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret);
> + }
> +#endif
> + return ret;
> +}
> +
> +
> +static int set_essid(struct usbnet *usbdev, struct NDIS_802_11_SSID *ssid)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + int ret;
> +
> + ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
> + if (ret == 0) {
> + memcpy(&priv->essid, ssid, sizeof(priv->essid));
> + priv->radio_on = 1;
> + devdbg(usbdev, "set_essid: radio_on = 1");
> + }
> +
> + return ret;
> +}
> +
> +
> +static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
> +{
> + int ret, len;
> +
> + len = ETH_ALEN;
> + ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
> +
> + if (ret != 0)
> + memset(bssid, 0, ETH_ALEN);
> +
> + return ret;
> +}
> +
> +
> +static int is_associated(struct usbnet *usbdev)
> +{
> + u8 bssid[ETH_ALEN];
> + int ret;
> +
> + ret = get_bssid(usbdev, bssid);
> +
> + return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0);
> +}
> +
> +
> +static int disassociate(struct usbnet *usbdev, int reset_ssid)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + struct NDIS_802_11_SSID ssid;
> + int i, ret = 0;
> +
> + if (priv->radio_on) {
> + ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
> + if (ret == 0) {
> + priv->radio_on = 0;
> + devdbg(usbdev, "disassociate: radio_on = 0");
> +
> + if (reset_ssid)
> + msleep(100);
> + }
> + }
> +
> + /* disassociate causes radio to be turned off; if reset_ssid
> + * is given, set random ssid to enable radio */
> + if (reset_ssid) {
> + ssid.SsidLength = cpu_to_le32(sizeof(ssid.Ssid));
> + get_random_bytes(&ssid.Ssid[2], sizeof(ssid.Ssid)-2);
> + ssid.Ssid[0] = 0x1;
> + ssid.Ssid[1] = 0xff;
> + for (i = 2; i < sizeof(ssid.Ssid); i++)
> + ssid.Ssid[i] = 0x1 + (ssid.Ssid[i] * 0xfe / 0xff);
> + ret = set_essid(usbdev, &ssid);
> + }
> + return ret;
> +}
> +
> +
> +static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + __le32 tmp;
> + int auth_mode, ret;
> +
> + devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
> + "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt);
> +
> + if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) {
> + if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
> + auth_mode = Ndis802_11AuthModeWPA2;
> + else
> + auth_mode = Ndis802_11AuthModeWPA2PSK;
> + } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) {
> + if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
> + auth_mode = Ndis802_11AuthModeWPA;
> + else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK)
> + auth_mode = Ndis802_11AuthModeWPAPSK;
> + else
> + auth_mode = Ndis802_11AuthModeWPANone;
> + } else if (authalg & IW_AUTH_ALG_SHARED_KEY) {
> + if (authalg & IW_AUTH_ALG_OPEN_SYSTEM)
> + auth_mode = Ndis802_11AuthModeAutoSwitch;
> + else
> + auth_mode = Ndis802_11AuthModeShared;
> + } else
> + auth_mode = Ndis802_11AuthModeOpen;
> +
> + tmp = cpu_to_le32(auth_mode);
> + ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
> + sizeof(tmp));
> + if (ret != 0) {
> + devwarn(usbdev, "setting auth mode failed (%08X)", ret);
> + return ret;
> + }
> +
> + priv->wpa_version = wpa_version;
> + priv->wpa_authalg = authalg;
> + return 0;
> +}
> +
> +
> +static int set_priv_filter(struct usbnet *usbdev)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + __le32 tmp;
> +
> + devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
> +
> + if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 ||
> + priv->wpa_version & IW_AUTH_WPA_VERSION_WPA)
> + tmp = cpu_to_le32(Ndis802_11PrivFilter8021xWEP);
> + else
> + tmp = cpu_to_le32(Ndis802_11PrivFilterAcceptAll);
> +
> + return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
> + sizeof(tmp));
> +}
> +
> +
> +static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + __le32 tmp;
> + int encr_mode, ret;
> +
> + devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
> + pairwise,
> + groupwise);
> +
> + if (pairwise & IW_AUTH_CIPHER_CCMP)
> + encr_mode = Ndis802_11Encryption3Enabled;
> + else if (pairwise & IW_AUTH_CIPHER_TKIP)
> + encr_mode = Ndis802_11Encryption2Enabled;
> + else if (pairwise &
> + (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104))
> + encr_mode = Ndis802_11Encryption1Enabled;
> + else if (groupwise & IW_AUTH_CIPHER_CCMP)
> + encr_mode = Ndis802_11Encryption3Enabled;
> + else if (groupwise & IW_AUTH_CIPHER_TKIP)
> + encr_mode = Ndis802_11Encryption2Enabled;
> + else
> + encr_mode = Ndis802_11EncryptionDisabled;
> +
> + tmp = cpu_to_le32(encr_mode);
> + ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
> + sizeof(tmp));
> + if (ret != 0) {
> + devwarn(usbdev, "setting encr mode failed (%08X)", ret);
> + return ret;
> + }
> +
> + priv->wpa_cipher_pair = pairwise;
> + priv->wpa_cipher_group = groupwise;
> + return 0;
> +}
> +
> +
> +static int set_assoc_params(struct usbnet *usbdev)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> +
> + set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg);
> + set_priv_filter(usbdev);
> + set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group);
> +
> + return 0;
> +}
> +
> +
> +static int set_infra_mode(struct usbnet *usbdev, int mode)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + __le32 tmp;
> + int ret, i;
> +
> + devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
> +
> + tmp = cpu_to_le32(mode);
> + ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
> + sizeof(tmp));
> + if (ret != 0) {
> + devwarn(usbdev, "setting infra mode failed (%08X)", ret);
> + return ret;
> + }
> +
> + /* NDIS drivers clear keys when infrastructure mode is
> + * changed. But Linux tools assume otherwise. So set the
> + * keys */
> + if (priv->wpa_keymgmt == 0 ||
> + priv->wpa_keymgmt == IW_AUTH_KEY_MGMT_802_1X) {
> + for (i = 0; i < 4; i++) {
> + if (priv->encr_key_len[i] > 0)
> + add_wep_key(usbdev, priv->encr_keys[i],
> + priv->encr_key_len[i], i);
> + }
> + }
> +
> + priv->infra_mode = mode;
> + return 0;
> +}
> +
> +
> +static void set_default_iw_params(struct usbnet *usbdev)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> +
> + priv->wpa_keymgmt = 0;
> + priv->wpa_version = 0;
> +
> + set_infra_mode(usbdev, Ndis802_11Infrastructure);
> + set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
> + IW_AUTH_ALG_OPEN_SYSTEM);
> + set_priv_filter(usbdev);
> + set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
> +}
> +
> +
> +static int deauthenticate(struct usbnet *usbdev)
> +{
> + int ret;
> +
> + ret = disassociate(usbdev, 1);
> + set_default_iw_params(usbdev);
> + return ret;
> +}
> +
> +
> +/* index must be 0 - N, as per NDIS */
> +static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + struct NDIS_802_11_WEP ndis_key;
> + int ret;
> +
> + if (key_len <= 0 || key_len > 32 || index < 0 || index >= 4)
> + return -EINVAL;
> +
> + memset(&ndis_key, 0, sizeof(ndis_key));
> +
> + ndis_key.Length = cpu_to_le32(sizeof(ndis_key));
> + ndis_key.KeyLength = cpu_to_le32(key_len);
> + ndis_key.KeyIndex = cpu_to_le32(index);
> + memcpy(&ndis_key.KeyMaterial, key, key_len);
> +
> + if (index == priv->encr_tx_key_index) {
> + ndis_key.KeyIndex |= cpu_to_le32(1 << 31);
> + ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104,
> + IW_AUTH_CIPHER_NONE);
> + if (ret)
> + devwarn(usbdev, "encryption couldn't be enabled (%08X)",
> + ret);
> + }
> +
> + ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
> + sizeof(ndis_key));
> + if (ret != 0) {
> + devwarn(usbdev, "adding encryption key %d failed (%08X)",
> + index+1, ret);
> + return ret;
> + }
> +
> + priv->encr_key_len[index] = key_len;
> + memcpy(&priv->encr_keys[index], key, key_len);
> +
> + return 0;
> +}
> +
> +
> +/* remove_key is for both wep and wpa */
> +static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + struct NDIS_802_11_REMOVE_KEY remove_key;
> + __le32 keyindex;
> + int ret;
> +
> + if (priv->encr_key_len[index] == 0)
> + return 0;
> +
> + priv->encr_key_len[index] = 0;
> + memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
> +
> + if (priv->wpa_cipher_pair == IW_AUTH_CIPHER_TKIP ||
> + priv->wpa_cipher_pair == IW_AUTH_CIPHER_CCMP ||
> + priv->wpa_cipher_group == IW_AUTH_CIPHER_TKIP ||
> + priv->wpa_cipher_group == IW_AUTH_CIPHER_CCMP) {
> + remove_key.Length = cpu_to_le32(sizeof(remove_key));
> + remove_key.KeyIndex = cpu_to_le32(index);
> + if (bssid) {
> + /* pairwise key */
> + if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0)
> + remove_key.KeyIndex |= cpu_to_le32(1 << 30);
> + memcpy(remove_key.Bssid, bssid,
> + sizeof(remove_key.Bssid));
> + } else
> + memset(remove_key.Bssid, 0xff,
> + sizeof(remove_key.Bssid));
> +
> + ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
> + sizeof(remove_key));
> + if (ret != 0)
> + return ret;
> + } else {
> + keyindex = cpu_to_le32(index);
> + ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
> + sizeof(keyindex));
> + if (ret != 0) {
> + devwarn(usbdev,
> + "removing encryption key %d failed (%08X)",
> + index, ret);
> + return ret;
> + }
> + }
> +
> + /* if it is transmit key, disable encryption */
> + if (index == priv->encr_tx_key_index)
> + set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
> +
> + return 0;
> +}
> +
> +
> +static void set_multicast_list(struct usbnet *usbdev)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + struct dev_mc_list *mclist;
> + __le32 filter;
> + int ret, i, size;
> + char *buf;
> +
> + filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
> +
> + if (usbdev->net->flags & IFF_PROMISC) {
> + filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
> + RNDIS_PACKET_TYPE_ALL_LOCAL;
> + } else if (usbdev->net->flags & IFF_ALLMULTI ||
> + usbdev->net->mc_count > priv->multicast_size) {
> + filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
> + } else if (usbdev->net->mc_count > 0) {
> + size = min(priv->multicast_size, usbdev->net->mc_count);
> + buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
> + if (!buf) {
> + devwarn(usbdev,
> + "couldn't alloc %d bytes of memory",
> + size * ETH_ALEN);
> + return;
> + }
> +
> + mclist = usbdev->net->mc_list;
> + for (i = 0; i < size && mclist; mclist = mclist->next) {
> + if (mclist->dmi_addrlen != ETH_ALEN)
> + continue;
> +
> + memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
> + i++;
> + }
> +
> + ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
> + i * ETH_ALEN);
> + if (ret == 0 && i > 0)
> + filter |= RNDIS_PACKET_TYPE_MULTICAST;
> + else
> + filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
> +
> + devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
> + i, priv->multicast_size, ret);
> +
> + kfree(buf);
> + }
> +
> + ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
> + sizeof(filter));
> + if (ret < 0) {
> + devwarn(usbdev, "couldn't set packet filter: %08x",
> + le32_to_cpu(filter));
> + }
> +
> + devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
> + le32_to_cpu(filter), ret);
> +}
> +
> +
> +/*
> + * wireless extension handlers
> + */
> +
> +static int rndis_iw_commit(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + /* dummy op */
> + return 0;
> +}
> +
> +
> +static int rndis_iw_get_range(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct iw_range *range = (struct iw_range *)extra;
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + int len, ret, i, j, num, has_80211g_rates;
> + u8 rates[8];
> + __le32 tx_power;
> +
> + devdbg(usbdev, "SIOCGIWRANGE");
> +
> + /* clear iw_range struct */
> + memset(range, 0, sizeof(*range));
> + wrqu->data.length = sizeof(*range);
> +
> + range->txpower_capa = IW_TXPOW_MWATT;
> + range->num_txpower = 1;
> + if (priv->caps & CAP_SUPPORT_TXPOWER) {
> + len = sizeof(tx_power);
> + ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
> + &tx_power, &len);
> + if (ret == 0 && le32_to_cpu(tx_power) != 0xFF)
> + range->txpower[0] = le32_to_cpu(tx_power);
> + else
> + range->txpower[0] = get_bcm4320_power(priv);
> + } else
> + range->txpower[0] = get_bcm4320_power(priv);
> +
> + len = sizeof(rates);
> + ret = rndis_query_oid(usbdev, OID_802_11_SUPPORTED_RATES, &rates,
> + &len);
> + has_80211g_rates = 0;
> + if (ret == 0) {
> + j = 0;
> + for (i = 0; i < len; i++) {
> + if (rates[i] == 0)
> + break;
> + range->bitrate[j] = (rates[i] & 0x7f) * 500000;
> + /* check for non 802.11b rates */
> + if (range->bitrate[j] == 6000000 ||
> + range->bitrate[j] == 9000000 ||
> + (range->bitrate[j] >= 12000000 &&
> + range->bitrate[j] != 22000000))
> + has_80211g_rates = 1;
> + j++;
> + }
> + range->num_bitrates = j;
> + } else
> + range->num_bitrates = 0;
> +
> + /* fill in 802.11g rates */
> + if (has_80211g_rates) {
> + num = range->num_bitrates;
> + for (i = 0; i < sizeof(rates_80211g); i++) {
> + for (j = 0; j < num; j++) {
> + if (range->bitrate[j] ==
> + rates_80211g[i] * 1000000)
> + break;
> + }
> + if (j == num)
> + range->bitrate[range->num_bitrates++] =
> + rates_80211g[i] * 1000000;
> + if (range->num_bitrates == IW_MAX_BITRATES)
> + break;
> + }
> +
> + /* estimated max real througput in bps */
> + range->throughput = 54 * 1000 * 1000 / 2;
> +
> + /* ~35% more with afterburner */
> + if (priv->param_afterburner)
> + range->throughput = range->throughput / 100 * 135;
> + } else {
> + /* estimated max real througput in bps */
> + range->throughput = 11 * 1000 * 1000 / 2;
> + }
> +
> + range->num_channels = (sizeof(freq_chan)/sizeof(freq_chan[0]));
> +
> + for (i = 0; i < (sizeof(freq_chan)/sizeof(freq_chan[0])) &&
> + i < IW_MAX_FREQUENCIES; i++) {
> + range->freq[i].i = i + 1;
> + range->freq[i].m = freq_chan[i] * 100000;
> + range->freq[i].e = 1;
> + }
> + range->num_frequency = i;
> +
> + range->min_rts = 0;
> + range->max_rts = 2347;
> + range->min_frag = 256;
> + range->max_frag = 2346;
> +
> + range->max_qual.qual = 100;
> + range->max_qual.level = 154;
> + range->max_qual.updated = IW_QUAL_QUAL_UPDATED
> + | IW_QUAL_LEVEL_UPDATED
> + | IW_QUAL_NOISE_INVALID;
> +
> + range->we_version_compiled = WIRELESS_EXT;
> + range->we_version_source = WIRELESS_EXT;
> +
> + range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
> + IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
> + return 0;
> +}
> +
> +
> +static int rndis_iw_get_name(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> +
> + strcpy(wrqu->name, priv->name);
> + return 0;
> +}
> +
> +
> +static int rndis_iw_set_essid(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
> +{
> + struct NDIS_802_11_SSID ssid;
> + int length = wrqu->essid.length;
> + struct usbnet *usbdev = dev->priv;
> +
> + devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
> + wrqu->essid.flags, wrqu->essid.length, essid);
> +
> + if (length > NDIS_802_11_LENGTH_SSID)
> + length = NDIS_802_11_LENGTH_SSID;
> +
> + ssid.SsidLength = cpu_to_le32(length);
> + if (length > 0)
> + memcpy(ssid.Ssid, essid, length);
> + else
> + memset(ssid.Ssid, 0, NDIS_802_11_LENGTH_SSID);
> +
> + set_assoc_params(usbdev);
> +
> + if (!wrqu->essid.flags || length == 0)
> + return disassociate(usbdev, 1);
> + else
> + return set_essid(usbdev, &ssid);
> +}
> +
> +
> +static int rndis_iw_get_essid(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
> +{
> + struct NDIS_802_11_SSID ssid;
> + struct usbnet *usbdev = dev->priv;
> + int ret;
> +
> + ret = get_essid(usbdev, &ssid);
> +
> + if (ret == 0 && le32_to_cpu(ssid.SsidLength) > 0) {
> + wrqu->essid.flags = 1;
> + wrqu->essid.length = le32_to_cpu(ssid.SsidLength);
> + memcpy(essid, ssid.Ssid, wrqu->essid.length);
> + essid[wrqu->essid.length] = 0;
> + } else {
> + memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
> + wrqu->essid.flags = 0;
> + wrqu->essid.length = 0;
> + }
> + devdbg(usbdev, "SIOCGIWESSID: %s", essid);
> + return ret;
> +}
> +
> +
> +static int rndis_iw_get_bssid(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + unsigned char bssid[ETH_ALEN];
> + int ret;
> + DECLARE_MAC_BUF(mac);
> +
> + ret = get_bssid(usbdev, bssid);
> +
> + if (ret == 0)
> + devdbg(usbdev, "SIOCGIWAP: %s", print_mac(mac, bssid));
> + else
> + devdbg(usbdev, "SIOCGIWAP: <not associated>");
> +
> + wrqu->ap_addr.sa_family = ARPHRD_ETHER;
> + memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
> +
> + return ret;
> +}
> +
> +
> +static int rndis_iw_set_bssid(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
> + DECLARE_MAC_BUF(mac);
> + int ret;
> +
> + devdbg(usbdev, "SIOCSIWAP: %s", print_mac(mac, bssid));
> +
> + ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
> +
> + /* user apps may set ap's mac address, which is not required;
> + * they may fail to work if this function fails, so return
> + * success */
> + if (ret)
> + devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
> +
> + return 0;
> +}
> +
> +
> +static int rndis_iw_set_auth(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct iw_param *p = &wrqu->param;
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + int ret = -ENOTSUPP;
> +
> + switch (p->flags & IW_AUTH_INDEX) {
> + case IW_AUTH_WPA_VERSION:
> + devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
> + priv->wpa_version = p->value;
> + ret = 0;
> + break;
> +
> + case IW_AUTH_CIPHER_PAIRWISE:
> + devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
> + priv->wpa_cipher_pair = p->value;
> + ret = 0;
> + break;
> +
> + case IW_AUTH_CIPHER_GROUP:
> + devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
> + priv->wpa_cipher_group = p->value;
> + ret = 0;
> + break;
> +
> + case IW_AUTH_KEY_MGMT:
> + devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
> + priv->wpa_keymgmt = p->value;
> + ret = 0;
> + break;
> +
> + case IW_AUTH_TKIP_COUNTERMEASURES:
> + devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
> + p->value);
> + ret = 0;
> + break;
> +
> + case IW_AUTH_DROP_UNENCRYPTED:
> + devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
> + ret = 0;
> + break;
> +
> + case IW_AUTH_80211_AUTH_ALG:
> + devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
> + priv->wpa_authalg = p->value;
> + ret = 0;
> + break;
> +
> + case IW_AUTH_WPA_ENABLED:
> + devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
> + if (wrqu->param.value)
> + deauthenticate(usbdev);
> + ret = 0;
> + break;
> +
> + case IW_AUTH_RX_UNENCRYPTED_EAPOL:
> + devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
> + p->value);
> + ret = 0;
> + break;
> +
> + case IW_AUTH_ROAMING_CONTROL:
> + devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
> + ret = 0;
> + break;
> +
> + case IW_AUTH_PRIVACY_INVOKED:
> + devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
> + wrqu->param.flags & IW_AUTH_INDEX);
> + return -EOPNOTSUPP;
> +
> + default:
> + devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
> + p->flags & IW_AUTH_INDEX, p->value);
> + }
> + return ret;
> +}
> +
> +
> +static int rndis_iw_get_auth(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct iw_param *p = &wrqu->param;
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> +
> + switch (p->flags & IW_AUTH_INDEX) {
> + case IW_AUTH_WPA_VERSION:
> + p->value = priv->wpa_version;
> + break;
> + case IW_AUTH_CIPHER_PAIRWISE:
> + p->value = priv->wpa_cipher_pair;
> + break;
> + case IW_AUTH_CIPHER_GROUP:
> + p->value = priv->wpa_cipher_group;
> + break;
> + case IW_AUTH_KEY_MGMT:
> + p->value = priv->wpa_keymgmt;
> + break;
> + case IW_AUTH_80211_AUTH_ALG:
> + p->value = priv->wpa_authalg;
> + break;
> + default:
> + devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
> + wrqu->param.flags & IW_AUTH_INDEX);
> + return -EOPNOTSUPP;
> + }
> + return 0;
> +}
> +
> +
> +static int rndis_iw_get_mode(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> +
> + switch (priv->infra_mode) {
> + case Ndis802_11IBSS:
> + wrqu->mode = IW_MODE_ADHOC;
> + break;
> + case Ndis802_11Infrastructure:
> + wrqu->mode = IW_MODE_INFRA;
> + break;
> + /*case Ndis802_11AutoUnknown:*/
> + default:
> + wrqu->mode = IW_MODE_AUTO;
> + break;
> + }
> + devdbg(usbdev, "SIOCGIWMODE: %08x", wrqu->mode);
> + return 0;
> +}
> +
> +
> +static int rndis_iw_set_mode(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + int mode;
> +
> + devdbg(usbdev, "SIOCSIWMODE: %08x", wrqu->mode);
> +
> + switch (wrqu->mode) {
> + case IW_MODE_ADHOC:
> + mode = Ndis802_11IBSS;
> + break;
> + case IW_MODE_INFRA:
> + mode = Ndis802_11Infrastructure;
> + break;
> + /*case IW_MODE_AUTO:*/
> + default:
> + mode = Ndis802_11AutoUnknown;
> + break;
> + }
> +
> + return set_infra_mode(usbdev, mode);
> +}
> +
> +
> +static int rndis_iw_set_encode(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + int ret, index, key_len;
> + u8 *key;
> +
> + index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
> +
> + /* iwconfig gives index as 1 - N */
> + if (index > 0)
> + index--;
> + else
> + index = priv->encr_tx_key_index;
> +
> + if (index < 0 || index >= 4) {
> + devwarn(usbdev, "encryption index out of range (%u)", index);
> + return -EINVAL;
> + }
> +
> + /* remove key if disabled */
> + if (wrqu->data.flags & IW_ENCODE_DISABLED) {
> + if (remove_key(usbdev, index, NULL))
> + return -EINVAL;
> + else
> + return 0;
> + }
> +
> + /* global encryption state (for all keys) */
> + if (wrqu->data.flags & IW_ENCODE_OPEN)
> + ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
> + IW_AUTH_ALG_OPEN_SYSTEM);
> + else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
> + ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
> + IW_AUTH_ALG_SHARED_KEY);
> + if (ret != 0)
> + return ret;
> +
> + if (wrqu->data.length > 0) {
> + key_len = wrqu->data.length;
> + key = extra;
> + } else {
> + /* must be set as tx key */
> + if (priv->encr_key_len[index] == 0)
> + return -EINVAL;
> + key_len = priv->encr_key_len[index];
> + key = priv->encr_keys[index];
> + priv->encr_tx_key_index = index;
> + }
> +
> + if (add_wep_key(usbdev, key, key_len, index) != 0)
> + return -EINVAL;
> +
> + if (index == priv->encr_tx_key_index)
> + /* ndis drivers want essid to be set after setting encr */
> + set_essid(usbdev, &priv->essid);
> +
> + return 0;
> +}
> +
> +
> +static int rndis_iw_set_encode_ext(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + struct NDIS_802_11_KEY ndis_key;
> + int i, keyidx, ret;
> + u8 *addr;
> +
> + keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
> +
> + /* iwconfig gives index as 1 - N */
> + if (keyidx)
> + keyidx--;
> + else
> + keyidx = priv->encr_tx_key_index;
> +
> + if (keyidx < 0 || keyidx >= 4)
> + return -EINVAL;
> +
> + if (ext->alg == WPA_ALG_WEP) {
> + if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
> + priv->encr_tx_key_index = keyidx;
> + return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
> + }
> +
> + if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
> + ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
> + return remove_key(usbdev, keyidx, NULL);
> +
> + if (ext->key_len > sizeof(ndis_key.KeyMaterial))
> + return -1;
> +
> + memset(&ndis_key, 0, sizeof(ndis_key));
> +
> + ndis_key.Length = cpu_to_le32(sizeof(ndis_key) -
> + sizeof(ndis_key.KeyMaterial) + ext->key_len);
> + ndis_key.KeyLength = cpu_to_le32(ext->key_len);
> + ndis_key.KeyIndex = cpu_to_le32(keyidx);
> +
> + if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
> + for (i = 0; i < 6; i++)
> + ndis_key.KeyRSC |=
> + cpu_to_le64(ext->rx_seq[i] << (i * 8));
> + ndis_key.KeyIndex |= cpu_to_le32(1 << 29);
> + }
> +
> + addr = ext->addr.sa_data;
> + if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
> + /* group key */
> + if (priv->infra_mode == Ndis802_11IBSS)
> + memset(ndis_key.Bssid, 0xff, ETH_ALEN);
> + else
> + get_bssid(usbdev, ndis_key.Bssid);
> + } else {
> + /* pairwise key */
> + ndis_key.KeyIndex |= cpu_to_le32(1 << 30);
> + memcpy(ndis_key.Bssid, addr, ETH_ALEN);
> + }
> +
> + if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
> + ndis_key.KeyIndex |= cpu_to_le32(1 << 31);
> +
> + if (ext->alg == IW_ENCODE_ALG_TKIP && ext->key_len == 32) {
> + /* wpa_supplicant gives us the Michael MIC RX/TX keys in
> + * different order than NDIS spec, so swap the order here. */
> + memcpy(ndis_key.KeyMaterial, ext->key, 16);
> + memcpy(ndis_key.KeyMaterial + 16, ext->key + 24, 8);
> + memcpy(ndis_key.KeyMaterial + 24, ext->key + 16, 8);
> + } else
> + memcpy(ndis_key.KeyMaterial, ext->key, ext->key_len);
> +
> + ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
> + le32_to_cpu(ndis_key.Length));
> + devdbg(usbdev, "SIOCSIWENCODEEXT: OID_802_11_ADD_KEY -> %08X", ret);
> + if (ret != 0)
> + return ret;
> +
> + priv->encr_key_len[keyidx] = ext->key_len;
> + memcpy(&priv->encr_keys[keyidx], ndis_key.KeyMaterial, ext->key_len);
> + if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
> + priv->encr_tx_key_index = keyidx;
> +
> + return 0;
> +}
> +
> +
> +static int rndis_iw_set_scan(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct iw_param *param = &wrqu->param;
> + struct usbnet *usbdev = dev->priv;
> + union iwreq_data evt;
> + int ret = -EINVAL;
> + __le32 tmp;
> +
> + devdbg(usbdev, "SIOCSIWSCAN");
> +
> + if (param->flags == 0) {
> + tmp = ccpu2(1);
> + ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
> + sizeof(tmp));
> + evt.data.flags = 0;
> + evt.data.length = 0;
> + wireless_send_event(dev, SIOCGIWSCAN, &evt, NULL);
> + }
> + return ret;
> +}
> +
> +
> +static char *rndis_translate_scan(struct net_device *dev,
> + char *cev, char *end_buf, struct NDIS_WLAN_BSSID_EX *bssid)
> +{
> +#ifdef DEBUG
> + struct usbnet *usbdev = dev->priv;
> +#endif
> + struct ieee80211_info_element *ie;
> + char *current_val;
> + int bssid_len, ie_len, i;
> + u32 beacon, atim;
> + struct iw_event iwe;
> + unsigned char sbuf[32];
> + DECLARE_MAC_BUF(mac);
> +
> + bssid_len = le32_to_cpu(bssid->Length);
> +
> + devdbg(usbdev, "BSSID %s", print_mac(mac, bssid->MacAddress));
> + iwe.cmd = SIOCGIWAP;
> + iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
> + memcpy(iwe.u.ap_addr.sa_data, bssid->MacAddress, ETH_ALEN);
> + cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_ADDR_LEN);
> +
> + devdbg(usbdev, "SSID(%d) %s",
> + le32_to_cpu(bssid->Ssid.SsidLength),
> + bssid->Ssid.Ssid);
> + iwe.cmd = SIOCGIWESSID;
> + iwe.u.essid.length = le32_to_cpu(bssid->Ssid.SsidLength);
> + iwe.u.essid.flags = 1;
> + cev = iwe_stream_add_point(cev, end_buf, &iwe,
> + bssid->Ssid.Ssid);
> +
> + devdbg(usbdev, "MODE %d",
> + le32_to_cpu(bssid->InfrastructureMode));
> + iwe.cmd = SIOCGIWMODE;
> + switch (le32_to_cpu(bssid->InfrastructureMode)) {
> + case Ndis802_11IBSS:
> + iwe.u.mode = IW_MODE_ADHOC;
> + break;
> + case Ndis802_11Infrastructure:
> + iwe.u.mode = IW_MODE_INFRA;
> + break;
> + /*case Ndis802_11AutoUnknown:*/
> + default:
> + iwe.u.mode = IW_MODE_AUTO;
> + break;
> + }
> + cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_UINT_LEN);
> +
> + devdbg(usbdev, "FREQ %d kHz",
> + le32_to_cpu(bssid->Configuration.DSConfig));
> + iwe.cmd = SIOCGIWFREQ;
> + dsconfig_to_freq(le32_to_cpu(bssid->Configuration.DSConfig),
> + &iwe.u.freq);
> + cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_FREQ_LEN);
> +
> + devdbg(usbdev, "QUAL %d", le32_to_cpu(bssid->Rssi));
> + iwe.cmd = IWEVQUAL;
> + iwe.u.qual.qual = level_to_qual(le32_to_cpu(bssid->Rssi));
> + iwe.u.qual.level = le32_to_cpu(bssid->Rssi);
> + iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED
> + | IW_QUAL_LEVEL_UPDATED
> + | IW_QUAL_NOISE_INVALID;
> + cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_QUAL_LEN);
> +
> + devdbg(usbdev, "ENCODE %d", le32_to_cpu(bssid->Privacy));
> + iwe.cmd = SIOCGIWENCODE;
> + iwe.u.data.length = 0;
> + if (le32_to_cpu(bssid->Privacy) == Ndis802_11PrivFilterAcceptAll)
> + iwe.u.data.flags = IW_ENCODE_DISABLED;
> + else
> + iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
> +
> + cev = iwe_stream_add_point(cev, end_buf, &iwe, NULL);
> +
> + devdbg(usbdev, "RATES:");
> + current_val = cev + IW_EV_LCP_LEN;
> + iwe.cmd = SIOCGIWRATE;
> + for (i = 0; i < sizeof(bssid->SupportedRates); i++) {
> + if (bssid->SupportedRates[i] & 0x7f) {
> + iwe.u.bitrate.value =
> + ((bssid->SupportedRates[i] & 0x7f) *
> + 500000);
> + devdbg(usbdev, " %d", iwe.u.bitrate.value);
> + current_val = iwe_stream_add_value(cev,
> + current_val, end_buf, &iwe,
> + IW_EV_PARAM_LEN);
> + }
> + }
> +
> + if ((current_val - cev) > IW_EV_LCP_LEN)
> + cev = current_val;
> +
> + beacon = le32_to_cpu(bssid->Configuration.BeaconPeriod);
> + devdbg(usbdev, "BCN_INT %d", beacon);
> + iwe.cmd = IWEVCUSTOM;
> + snprintf(sbuf, sizeof(sbuf), "bcn_int=%d", beacon);
> + iwe.u.data.length = strlen(sbuf);
> + cev = iwe_stream_add_point(cev, end_buf, &iwe, sbuf);
> +
> + atim = le32_to_cpu(bssid->Configuration.ATIMWindow);
> + devdbg(usbdev, "ATIM %d", atim);
> + iwe.cmd = IWEVCUSTOM;
> + snprintf(sbuf, sizeof(sbuf), "atim=%u", atim);
> + iwe.u.data.length = strlen(sbuf);
> + cev = iwe_stream_add_point(cev, end_buf, &iwe, sbuf);
> +
> + ie = (void *)(bssid->IEs + sizeof(struct NDIS_802_11_FIXED_IEs));
> + ie_len = min(bssid_len - (int)sizeof(*bssid),
> + (int)le32_to_cpu(bssid->IELength));
> + ie_len -= sizeof(struct NDIS_802_11_FIXED_IEs);
> + while (ie_len >= sizeof(*ie) && sizeof(*ie) + ie->len <= ie_len) {
> + if ((ie->id == MFIE_TYPE_GENERIC && ie->len >= 4 &&
> + memcmp(ie->data, "\x00\x50\xf2\x01", 4) == 0) ||
> + ie->id == MFIE_TYPE_RSN) {
> + devdbg(usbdev, "IE: WPA%d",
> + (ie->id == MFIE_TYPE_RSN) ? 2 : 1);
> + iwe.cmd = IWEVGENIE;
> + iwe.u.data.length = min(ie->len + 2, MAX_WPA_IE_LEN);
> + cev = iwe_stream_add_point(cev, end_buf, &iwe,
> + (u8 *)ie);
> + }
> +
> + ie_len -= sizeof(*ie) + ie->len;
> + ie = (struct ieee80211_info_element *)&ie->data[ie->len];
> + }
> +
> + return cev;
> +}
> +
> +
> +static int rndis_iw_get_scan(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + void *buf = NULL;
> + char *cev = extra;
> + struct NDIS_802_11_BSSID_LIST_EX *bssid_list;
> + struct NDIS_WLAN_BSSID_EX *bssid;
> + int ret = -EINVAL, len, count, bssid_len;
> +
> + devdbg(usbdev, "SIOCGIWSCAN");
> +
> + len = CONTROL_BUFFER_SIZE;
> + buf = kmalloc(len, GFP_KERNEL);
> + if (!buf) {
> + ret = -ENOMEM;
> + goto out;
> + }
> +
> + ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
> +
> + if (ret != 0)
> + goto out;
> +
> + bssid_list = buf;
> + bssid = bssid_list->Bssid;
> + bssid_len = le32_to_cpu(bssid->Length);
> + count = le32_to_cpu(bssid_list->NumberOfItems);
> + devdbg(usbdev, "SIOCGIWSCAN: %d BSSIDs found", count);
> +
> + while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
> + cev = rndis_translate_scan(dev, cev, extra + IW_SCAN_MAX_DATA,
> + bssid);
> + bssid = (void *)bssid + bssid_len;
> + bssid_len = le32_to_cpu(bssid->Length);
> + count--;
> + }
> +
> +out:
> + wrqu->data.length = cev - extra;
> + wrqu->data.flags = 0;
> + kfree(buf);
> + return ret;
> +}
> +
> +
> +static int rndis_iw_set_genie(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + int ret = 0;
> +
> +#ifdef DEBUG
> + int j;
> + u8 *gie = extra;
> + for (j = 0; j < wrqu->data.length; j += 8)
> + devdbg(usbdev,
> + "SIOCSIWGENIE %04x - "
> + "%02x %02x %02x %02x %02x %02x %02x %02x", j,
> + gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3],
> + gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]);
> +#endif
> + /* clear existing IEs */
> + if (priv->wpa_ie_len) {
> + kfree(priv->wpa_ie);
> + priv->wpa_ie_len = 0;
> + }
> +
> + /* set new IEs */
> + priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL);
> + if (priv->wpa_ie) {
> + priv->wpa_ie_len = wrqu->data.length;
> + memcpy(priv->wpa_ie, extra, priv->wpa_ie_len);
> + } else
> + ret = -ENOMEM;
> + return ret;
> +}
> +
> +
> +static int rndis_iw_get_genie(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> +
> + devdbg(usbdev, "SIOCGIWGENIE");
> +
> + if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) {
> + wrqu->data.length = 0;
> + return 0;
> + }
> +
> + if (wrqu->data.length < priv->wpa_ie_len)
> + return -E2BIG;
> +
> + wrqu->data.length = priv->wpa_ie_len;
> + memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
> +
> + return 0;
> +}
> +
> +
> +static int rndis_iw_set_rts(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + __le32 tmp;
> + devdbg(usbdev, "SIOCSIWRTS");
> +
> + tmp = cpu_to_le32(wrqu->rts.value);
> + return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
> + sizeof(tmp));
> +}
> +
> +
> +static int rndis_iw_get_rts(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + __le32 tmp;
> + int len, ret;
> +
> + len = sizeof(tmp);
> + ret = rndis_query_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, &len);
> + if (ret == 0) {
> + wrqu->rts.value = le32_to_cpu(tmp);
> + wrqu->rts.flags = 1;
> + wrqu->rts.disabled = 0;
> + }
> +
> + devdbg(usbdev, "SIOCGIWRTS: %d", wrqu->rts.value);
> +
> + return ret;
> +}
> +
> +
> +static int rndis_iw_set_frag(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + __le32 tmp;
> +
> + devdbg(usbdev, "SIOCSIWFRAG");
> +
> + tmp = cpu_to_le32(wrqu->frag.value);
> + return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
> + sizeof(tmp));
> +}
> +
> +
> +static int rndis_iw_get_frag(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + __le32 tmp;
> + int len, ret;
> +
> + len = sizeof(tmp);
> + ret = rndis_query_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
> + &len);
> + if (ret == 0) {
> + wrqu->frag.value = le32_to_cpu(tmp);
> + wrqu->frag.flags = 1;
> + wrqu->frag.disabled = 0;
> + }
> + devdbg(usbdev, "SIOCGIWFRAG: %d", wrqu->frag.value);
> + return ret;
> +}
> +
> +
> +static int rndis_iw_set_nick(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> +
> + devdbg(usbdev, "SIOCSIWNICK");
> +
> + priv->nick_len = wrqu->data.length;
> + if (priv->nick_len > 32)
> + priv->nick_len = 32;
> +
> + memcpy(priv->nick, extra, priv->nick_len);
> + return 0;
> +}
> +
> +
> +static int rndis_iw_get_nick(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> +
> + wrqu->data.flags = 1;
> + wrqu->data.length = priv->nick_len;
> + memcpy(extra, priv->nick, priv->nick_len);
> +
> + devdbg(usbdev, "SIOCGIWNICK: '%s'", priv->nick);
> +
> + return 0;
> +}
> +
> +
> +static int rndis_iw_set_freq(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct NDIS_802_11_CONFIGURATION config;
> + unsigned int dsconfig;
> + int len, ret;
> +
> + /* this OID is valid only when not associated */
> + if (is_associated(usbdev))
> + return 0;
> +
> + dsconfig = 0;
> + if (freq_to_dsconfig(&wrqu->freq, &dsconfig))
> + return -EINVAL;
> +
> + len = sizeof(config);
> + ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
> + if (ret != 0) {
> + devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed");
> + return 0;
> + }
> +
> + config.DSConfig = cpu_to_le32(dsconfig);
> +
> + devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e);
> + return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
> + sizeof(config));
> +}
> +
> +
> +static int rndis_iw_get_freq(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct NDIS_802_11_CONFIGURATION config;
> + int len, ret;
> +
> + len = sizeof(config);
> + ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
> + if (ret == 0)
> + dsconfig_to_freq(le32_to_cpu(config.DSConfig), &wrqu->freq);
> +
> + devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m);
> + return ret;
> +}
> +
> +
> +static int rndis_iw_get_txpower(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + __le32 tx_power;
> + int ret = 0, len;
> +
> + if (priv->radio_on) {
> + if (priv->caps & CAP_SUPPORT_TXPOWER) {
> + len = sizeof(tx_power);
> + ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
> + &tx_power, &len);
> + if (ret != 0)
> + return ret;
> + } else
> + /* fake incase not supported */
> + tx_power = cpu_to_le32(get_bcm4320_power(priv));
> +
> + wrqu->txpower.flags = IW_TXPOW_MWATT;
> + wrqu->txpower.value = le32_to_cpu(tx_power);
> + wrqu->txpower.disabled = 0;
> + } else {
> + wrqu->txpower.flags = IW_TXPOW_MWATT;
> + wrqu->txpower.value = 0;
> + wrqu->txpower.disabled = 1;
> + }
> +
> + devdbg(usbdev, "SIOCGIWTXPOW: %d", wrqu->txpower.value);
> +
> + return ret;
> +}
> +
> +
> +static int rndis_iw_set_txpower(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + __le32 tx_power = 0;
> + int ret = 0;
> +
> + if (!wrqu->txpower.disabled) {
> + if (wrqu->txpower.flags == IW_TXPOW_MWATT)
> + tx_power = cpu_to_le32(wrqu->txpower.value);
> + else { /* wrqu->txpower.flags == IW_TXPOW_DBM */
> + if (wrqu->txpower.value > 20)
> + tx_power = cpu_to_le32(128);
> + else if (wrqu->txpower.value < -43)
> + tx_power = cpu_to_le32(127);
> + else {
> + signed char tmp;
> + tmp = wrqu->txpower.value;
> + tmp = -12 - tmp;
> + tmp <<= 2;
> + tx_power = cpu_to_le32((unsigned char)tmp);
> + }
> + }
> + }
> +
> + devdbg(usbdev, "SIOCSIWTXPOW: %d", le32_to_cpu(tx_power));
> +
> + if (le32_to_cpu(tx_power) != 0) {
> + if (priv->caps & CAP_SUPPORT_TXPOWER) {
> + /* turn radio on first */
> + if (!priv->radio_on)
> + disassociate(usbdev, 1);
> +
> + ret = rndis_set_oid(usbdev, OID_802_11_TX_POWER_LEVEL,
> + &tx_power, sizeof(tx_power));
> + if (ret != 0)
> + ret = -EOPNOTSUPP;
> + return ret;
> + } else {
> + /* txpower unsupported, just turn radio on */
> + if (!priv->radio_on)
> + return disassociate(usbdev, 1);
> + return 0; /* all ready on */
> + }
> + }
> +
> + /* tx_power == 0, turn off radio */
> + return disassociate(usbdev, 0);
> +}
> +
> +
> +static int rndis_iw_get_rate(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + __le32 tmp;
> + int ret, len;
> +
> + len = sizeof(tmp);
> + ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
> + if (ret == 0) {
> + wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
> + wrqu->bitrate.disabled = 0;
> + wrqu->bitrate.flags = 1;
> + }
> + return ret;
> +}
> +
> +
> +static int rndis_iw_set_mlme(struct net_device *dev,
> + struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + struct iw_mlme *mlme = (struct iw_mlme *)extra;
> + unsigned char bssid[ETH_ALEN];
> +
> + get_bssid(usbdev, bssid);
> +
> + if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN))
> + return -EINVAL;
> +
> + switch (mlme->cmd) {
> + case IW_MLME_DEAUTH:
> + return deauthenticate(usbdev);
> + case IW_MLME_DISASSOC:
> + return disassociate(usbdev, priv->radio_on);
> + default:
> + return -EOPNOTSUPP;
> + }
> +
> + return 0;
> +}
> +
> +
> +static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> + unsigned long flags;
> +
> + spin_lock_irqsave(&priv->stats_lock, flags);
> + memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
> + spin_unlock_irqrestore(&priv->stats_lock, flags);
> +
> + return &priv->iwstats;
> +}
> +
> +
> +#define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
> +static const iw_handler rndis_iw_handler[] =
> +{
> + IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
> + IW_IOCTL(SIOCGIWNAME) = rndis_iw_get_name,
> + IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq,
> + IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq,
> + IW_IOCTL(SIOCSIWMODE) = rndis_iw_set_mode,
> + IW_IOCTL(SIOCGIWMODE) = rndis_iw_get_mode,
> + IW_IOCTL(SIOCGIWRANGE) = rndis_iw_get_range,
> + IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid,
> + IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid,
> + IW_IOCTL(SIOCSIWSCAN) = rndis_iw_set_scan,
> + IW_IOCTL(SIOCGIWSCAN) = rndis_iw_get_scan,
> + IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid,
> + IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid,
> + IW_IOCTL(SIOCSIWNICKN) = rndis_iw_set_nick,
> + IW_IOCTL(SIOCGIWNICKN) = rndis_iw_get_nick,
> + IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
> + IW_IOCTL(SIOCSIWRTS) = rndis_iw_set_rts,
> + IW_IOCTL(SIOCGIWRTS) = rndis_iw_get_rts,
> + IW_IOCTL(SIOCSIWFRAG) = rndis_iw_set_frag,
> + IW_IOCTL(SIOCGIWFRAG) = rndis_iw_get_frag,
> + IW_IOCTL(SIOCSIWTXPOW) = rndis_iw_set_txpower,
> + IW_IOCTL(SIOCGIWTXPOW) = rndis_iw_get_txpower,
> + IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
> + IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
> + IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth,
> + IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth,
> + IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie,
> + IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie,
> + IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme,
> +};
> +
> +static const iw_handler rndis_wext_private_handler[] = {
> +};
> +
> +static const struct iw_priv_args rndis_wext_private_args[] = {
> +};
> +
> +
> +static const struct iw_handler_def rndis_iw_handlers = {
> + .num_standard = ARRAY_SIZE(rndis_iw_handler),
> + .num_private = ARRAY_SIZE(rndis_wext_private_handler),
> + .num_private_args = ARRAY_SIZE(rndis_wext_private_args),
> + .standard = (iw_handler *)rndis_iw_handler,
> + .private = (iw_handler *)rndis_wext_private_handler,
> + .private_args = (struct iw_priv_args *)rndis_wext_private_args,
> + .get_wireless_stats = rndis_get_wireless_stats,
> +};
> +
> +
> +static void rndis_wext_worker(struct work_struct *work)
> +{
> + struct rndis_wext_private *priv =
> + container_of(work, struct rndis_wext_private, work);
> + struct usbnet *usbdev = priv->usbdev;
> + union iwreq_data evt;
> + unsigned char bssid[ETH_ALEN];
> + int ret;
> +
> + if (test_and_clear_bit(WORK_CONNECTION_EVENT, &priv->work_pending)) {
> + ret = get_bssid(usbdev, bssid);
> +
> + if (!ret) {
> + evt.data.flags = 0;
> + evt.data.length = 0;
> + memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN);
> + wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
> + }
> + }
> +
> + if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
> + set_multicast_list(usbdev);
> +}
> +
> +static void rndis_wext_set_multicast_list(struct net_device *dev)
> +{
> + struct usbnet *usbdev = dev->priv;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
> +
> + set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
> + queue_work(priv->workqueue, &priv->work);
> +}
> +
> +static void rndis_wext_link_change(struct usbnet *dev, int state)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
> + union iwreq_data evt;
> +
> + if (state) {
> + /* queue work to avoid recursive calls into rndis_command */
> + set_bit(WORK_CONNECTION_EVENT, &priv->work_pending);
> + queue_work(priv->workqueue, &priv->work);
> + } else {
> + evt.data.flags = 0;
> + evt.data.length = 0;
> + memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
> + wireless_send_event(dev->net, SIOCGIWAP, &evt, NULL);
> + }
> +}
> +
> +
> +static int rndis_wext_get_caps(struct usbnet *dev)
> +{
> + struct {
> + __le32 num_items;
> + __le32 items[8];
> + } networks_supported;
> + int len, retval, i, n;
> + __le32 tx_power;
> + struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
> +
> + /* determine if supports setting txpower */
> + len = sizeof(tx_power);
> + retval = rndis_query_oid(dev, OID_802_11_TX_POWER_LEVEL, &tx_power,
> + &len);
> + if (retval == 0 && le32_to_cpu(tx_power) != 0xFF)
> + priv->caps |= CAP_SUPPORT_TXPOWER;
> +
> + /* determine supported modes */
> + len = sizeof(networks_supported);
> + retval = rndis_query_oid(dev, OID_802_11_NETWORK_TYPES_SUPPORTED,
> + &networks_supported, &len);
> + if (retval >= 0) {
> + n = le32_to_cpu(networks_supported.num_items);
> + if (n > 8)
> + n = 8;
> + for (i = 0; i < n; i++) {
> + switch (le32_to_cpu(networks_supported.items[i])) {
> + case Ndis802_11FH:
> + case Ndis802_11DS:
> + priv->caps |= CAP_MODE_80211B;
> + break;
> + case Ndis802_11OFDM5:
> + priv->caps |= CAP_MODE_80211A;
> + break;
> + case Ndis802_11OFDM24:
> + priv->caps |= CAP_MODE_80211G;
> + break;
> + }
> + }
> + if (priv->caps & CAP_MODE_80211A)
> + strcat(priv->name, "a");
> + if (priv->caps & CAP_MODE_80211B)
> + strcat(priv->name, "b");
> + if (priv->caps & CAP_MODE_80211G)
> + strcat(priv->name, "g");
> + }
> +
> + return retval;
> +}
> +
> +
> +#define STATS_UPDATE_JIFFIES (HZ)
> +static void rndis_update_wireless_stats(struct work_struct *work)
> +{
> + struct rndis_wext_private *priv =
> + container_of(work, struct rndis_wext_private, stats_work.work);
> + struct usbnet *usbdev = priv->usbdev;
> + struct iw_statistics iwstats;
> + __le32 rssi, tmp;
> + int len, ret, bitrate, j;
> + unsigned long flags;
> + int update_jiffies = STATS_UPDATE_JIFFIES;
> + void *buf;
> +
> + spin_lock_irqsave(&priv->stats_lock, flags);
> + memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
> + spin_unlock_irqrestore(&priv->stats_lock, flags);
> +
> + /* only update stats when connected */
> + if (!is_associated(usbdev)) {
> + iwstats.qual.qual = 0;
> + iwstats.qual.level = 0;
> + iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
> + | IW_QUAL_LEVEL_UPDATED
> + | IW_QUAL_NOISE_INVALID
> + | IW_QUAL_QUAL_INVALID
> + | IW_QUAL_LEVEL_INVALID;
> + goto end;
> + }
> +
> + len = sizeof(rssi);
> + ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
> +
> + devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
> + le32_to_cpu(rssi));
> + if (ret == 0) {
> + memset(&iwstats.qual, 0, sizeof(iwstats.qual));
> + iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
> + iwstats.qual.level = le32_to_cpu(rssi);
> + iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
> + | IW_QUAL_LEVEL_UPDATED
> + | IW_QUAL_NOISE_INVALID;
> + }
> +
> + memset(&iwstats.discard, 0, sizeof(iwstats.discard));
> +
> + len = sizeof(tmp);
> + ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
> + if (ret == 0)
> + iwstats.discard.misc += le32_to_cpu(tmp);
> +
> + len = sizeof(tmp);
> + ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
> + if (ret == 0)
> + iwstats.discard.misc += le32_to_cpu(tmp);
> +
> + len = sizeof(tmp);
> + ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
> + if (ret == 0)
> + iwstats.discard.misc += le32_to_cpu(tmp);
> +
> + /* Workaround transfer stalls on poor quality links. */
> + len = sizeof(tmp);
> + ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
> + if (ret == 0) {
> + bitrate = le32_to_cpu(tmp) * 100;
> + if (bitrate > 11000000)
> + goto end;
> +
> + /* Decrease stats worker interval to catch stalls.
> + * faster. Faster than 400-500ms causes packet loss,
> + * Slower doesn't catch stalls fast enough.
> + */
> + j = msecs_to_jiffies(priv->param_workaround_interval);
> + if (j > STATS_UPDATE_JIFFIES)
> + j = STATS_UPDATE_JIFFIES;
> + else if (j <= 0)
> + j = 1;
> + update_jiffies = j;
> +
> + /* Send scan OID. Use of both OIDs is required to get device
> + * working.
> + */
> + tmp = ccpu2(1);
> + rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
> + sizeof(tmp));
> +
> + len = CONTROL_BUFFER_SIZE;
> + buf = kmalloc(len, GFP_KERNEL);
> + if (!buf)
> + goto end;
> +
> + rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
> + kfree(buf);
> + }
> +end:
> + spin_lock_irqsave(&priv->stats_lock, flags);
> + memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
> + spin_unlock_irqrestore(&priv->stats_lock, flags);
> +
> + if (update_jiffies >= HZ)
> + update_jiffies = round_jiffies_relative(update_jiffies);
> + else {
> + j = round_jiffies_relative(update_jiffies);
> + if (abs(j - update_jiffies) <= 10)
> + update_jiffies = j;
> + }
> +
> + queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
> +}
> +
> +
> +static int bcm4320_early_init(struct usbnet *dev)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
> + char buf[8];
> +
> + /* Early initialization settings, setting these won't have effect
> + * if called after generic_rndis_bind().
> + */
> +
> + priv->param_country[0] = modparam_country[0];
> + priv->param_country[1] = modparam_country[1];
> + priv->param_country[2] = 0;
> + priv->param_frameburst = modparam_frameburst;
> + priv->param_afterburner = modparam_afterburner;
> + priv->param_power_save = modparam_power_save;
> + priv->param_power_output = modparam_power_output;
> + priv->param_roamtrigger = modparam_roamtrigger;
> + priv->param_roamdelta = modparam_roamdelta;
> + priv->param_workaround_interval = modparam_workaround_interval;
> +
> + priv->param_country[0] = toupper(priv->param_country[0]);
> + priv->param_country[1] = toupper(priv->param_country[1]);
> + /* doesn't support EU as country code, use FI instead */
> + if (!strcmp(priv->param_country, "EU"))
> + strcpy(priv->param_country, "FI");
> +
> + if (priv->param_power_save < 0)
> + priv->param_power_save = 0;
> + else if (priv->param_power_save > 2)
> + priv->param_power_save = 2;
> +
> + if (priv->param_roamtrigger < -80)
> + priv->param_roamtrigger = -80;
> + else if (priv->param_roamtrigger > -60)
> + priv->param_roamtrigger = -60;
> +
> + if (priv->param_roamdelta < 0)
> + priv->param_roamdelta = 0;
> + else if (priv->param_roamdelta > 2)
> + priv->param_roamdelta = 2;
> +
> + if (priv->param_workaround_interval < 0)
> + priv->param_workaround_interval = 500;
> +
> + rndis_set_config_parameter_str(dev, "Country", priv->param_country);
> + rndis_set_config_parameter_str(dev, "FrameBursting",
> + priv->param_frameburst ? "1" : "0");
> + rndis_set_config_parameter_str(dev, "Afterburner",
> + priv->param_afterburner ? "1" : "0");
> + sprintf(buf, "%d", priv->param_power_save);
> + rndis_set_config_parameter_str(dev, "PowerSaveMode", buf);
> + sprintf(buf, "%d", priv->param_power_output);
> + rndis_set_config_parameter_str(dev, "PwrOut", buf);
> + sprintf(buf, "%d", priv->param_roamtrigger);
> + rndis_set_config_parameter_str(dev, "RoamTrigger", buf);
> + sprintf(buf, "%d", priv->param_roamdelta);
> + rndis_set_config_parameter_str(dev, "RoamDelta", buf);
> +
> + return 0;
> +}
> +
> +
> +static int rndis_wext_bind(struct usbnet *dev, struct usb_interface *intf)
> +{
> + struct net_device *net = dev->net;
> + struct rndis_wext_private *priv;
> + int retval, len;
> + __le32 tmp;
> +
> + /* allocate rndis private data */
> + priv = kmalloc(sizeof(struct rndis_wext_private), GFP_KERNEL);
> + if (!priv)
> + return -ENOMEM;
> +
> + /* These have to be initialized before calling generic_rndis_bind().
> + * Otherwise we'll be in big trouble in rndis_wext_early_init().
> + */
> + dev->driver_priv = priv;
> + memset(priv, 0, sizeof(*priv));
> + memset(priv->name, 0, sizeof(priv->name));
> + strcpy(priv->name, "IEEE802.11");
> + net->wireless_handlers = &rndis_iw_handlers;
> + priv->usbdev = dev;
> +
> + mutex_init(&priv->command_lock);
> + spin_lock_init(&priv->stats_lock);
> +
> + /* try bind rndis_host */
> + retval = generic_rndis_bind(dev, intf, FLAG_RNDIS_PHYM_WIRELESS);
> + if (retval < 0)
> + goto fail;
> +
> + /* generic_rndis_bind set packet filter to multicast_all+
> + * promisc mode which doesn't work well for our devices (device
> + * picks up rssi to closest station instead of to access point).
> + *
> + * rndis_host wants to avoid all OID as much as possible
> + * so do promisc/multicast handling in rndis_wext.
> + */
> + dev->net->set_multicast_list = rndis_wext_set_multicast_list;
> + tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
> + retval = rndis_set_oid(dev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
> + sizeof(tmp));
> +
> + len = sizeof(tmp);
> + retval = rndis_query_oid(dev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp, &len);
> + priv->multicast_size = le32_to_cpu(tmp);
> + if (retval < 0 || priv->multicast_size < 0)
> + priv->multicast_size = 0;
> + if (priv->multicast_size > 0)
> + dev->net->flags |= IFF_MULTICAST;
> + else
> + dev->net->flags &= ~IFF_MULTICAST;
> +
> + priv->iwstats.qual.qual = 0;
> + priv->iwstats.qual.level = 0;
> + priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
> + | IW_QUAL_LEVEL_UPDATED
> + | IW_QUAL_NOISE_INVALID
> + | IW_QUAL_QUAL_INVALID
> + | IW_QUAL_LEVEL_INVALID;
> +
> + rndis_wext_get_caps(dev);
> + set_default_iw_params(dev);
> +
> + /* turn radio on */
> + priv->radio_on = 1;
> + disassociate(dev, 1);
> +
> + /* because rndis_command() sleeps we need to use workqueue */
> + priv->workqueue = create_singlethread_workqueue("rndis_wlan");
> + INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
> + queue_delayed_work(priv->workqueue, &priv->stats_work,
> + round_jiffies_relative(STATS_UPDATE_JIFFIES));
> + INIT_WORK(&priv->work, rndis_wext_worker);
> +
> + return 0;
> +
> +fail:
> + kfree(priv);
> + return retval;
> +}
> +
> +
> +static void rndis_wext_unbind(struct usbnet *dev, struct usb_interface *intf)
> +{
> + struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
> +
> + /* turn radio off */
> + disassociate(dev, 0);
> +
> + cancel_delayed_work_sync(&priv->stats_work);
> + cancel_work_sync(&priv->work);
> + flush_workqueue(priv->workqueue);
> + destroy_workqueue(priv->workqueue);
> +
> + if (priv && priv->wpa_ie_len)
> + kfree(priv->wpa_ie);
> + kfree(priv);
> +
> + rndis_unbind(dev, intf);
> +}
> +
> +
> +static int rndis_wext_reset(struct usbnet *dev)
> +{
> + return deauthenticate(dev);
> +}
> +
> +
> +static const struct driver_info bcm4320b_info = {
> + .description = "Wireless RNDIS device, BCM4320b based",
> + .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
> + .bind = rndis_wext_bind,
> + .unbind = rndis_wext_unbind,
> + .status = rndis_status,
> + .rx_fixup = rndis_rx_fixup,
> + .tx_fixup = rndis_tx_fixup,
> + .reset = rndis_wext_reset,
> + .early_init = bcm4320_early_init,
> + .link_change = rndis_wext_link_change,
> +};
> +
> +static const struct driver_info bcm4320a_info = {
> + .description = "Wireless RNDIS device, BCM4320a based",
> + .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
> + .bind = rndis_wext_bind,
> + .unbind = rndis_wext_unbind,
> + .status = rndis_status,
> + .rx_fixup = rndis_rx_fixup,
> + .tx_fixup = rndis_tx_fixup,
> + .reset = rndis_wext_reset,
> + .early_init = bcm4320_early_init,
> + .link_change = rndis_wext_link_change,
> +};
> +
> +static const struct driver_info rndis_wext_info = {
> + .description = "Wireless RNDIS device",
> + .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT,
> + .bind = rndis_wext_bind,
> + .unbind = rndis_wext_unbind,
> + .status = rndis_status,
> + .rx_fixup = rndis_rx_fixup,
> + .tx_fixup = rndis_tx_fixup,
> + .reset = rndis_wext_reset,
> + .early_init = bcm4320_early_init,
> + .link_change = rndis_wext_link_change,
> +};
> +
> +/*-------------------------------------------------------------------------*/
> +
> +static const struct usb_device_id products [] = {
> +#define RNDIS_MASTER_INTERFACE \
> + .bInterfaceClass = USB_CLASS_COMM, \
> + .bInterfaceSubClass = 2 /* ACM */, \
> + .bInterfaceProtocol = 0x0ff
> +
> +/* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
> + * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
> + */
> +{
> + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_DEVICE,
> + .idVendor = 0x0411,
> + .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
> + RNDIS_MASTER_INTERFACE,
> + .driver_info = (unsigned long) &bcm4320b_info,
> +}, {
> + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_DEVICE,
> + .idVendor = 0x0baf,
> + .idProduct = 0x011b, /* U.S. Robotics USR5421 */
> + RNDIS_MASTER_INTERFACE,
> + .driver_info = (unsigned long) &bcm4320b_info,
> +}, {
> + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_DEVICE,
> + .idVendor = 0x050d,
> + .idProduct = 0x011b, /* Belkin F5D7051 */
> + RNDIS_MASTER_INTERFACE,
> + .driver_info = (unsigned long) &bcm4320b_info,
> +}, {
> + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_DEVICE,
> + .idVendor = 0x1799, /* Belkin has two vendor ids */
> + .idProduct = 0x011b, /* Belkin F5D7051 */
> + RNDIS_MASTER_INTERFACE,
> + .driver_info = (unsigned long) &bcm4320b_info,
> +}, {
> + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_DEVICE,
> + .idVendor = 0x13b1,
> + .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
> + RNDIS_MASTER_INTERFACE,
> + .driver_info = (unsigned long) &bcm4320b_info,
> +}, {
> + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_DEVICE,
> + .idVendor = 0x13b1,
> + .idProduct = 0x0026, /* Linksys WUSB54GSC */
> + RNDIS_MASTER_INTERFACE,
> + .driver_info = (unsigned long) &bcm4320b_info,
> +}, {
> + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_DEVICE,
> + .idVendor = 0x0b05,
> + .idProduct = 0x1717, /* Asus WL169gE */
> + RNDIS_MASTER_INTERFACE,
> + .driver_info = (unsigned long) &bcm4320b_info,
> +}, {
> + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_DEVICE,
> + .idVendor = 0x0a5c,
> + .idProduct = 0xd11b, /* Eminent EM4045 */
> + RNDIS_MASTER_INTERFACE,
> + .driver_info = (unsigned long) &bcm4320b_info,
> +}, {
> + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_DEVICE,
> + .idVendor = 0x1690,
> + .idProduct = 0x0715, /* BT Voyager 1055 */
> + RNDIS_MASTER_INTERFACE,
> + .driver_info = (unsigned long) &bcm4320b_info,
> +},
> +/* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
> + * parameters available, hardware probably contain older firmware version with
> + * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
> + */
> +{
> + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_DEVICE,
> + .idVendor = 0x13b1,
> + .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
> + RNDIS_MASTER_INTERFACE,
> + .driver_info = (unsigned long) &bcm4320a_info,
> +}, {
> + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_DEVICE,
> + .idVendor = 0x0baf,
> + .idProduct = 0x0111, /* U.S. Robotics USR5420 */
> + RNDIS_MASTER_INTERFACE,
> + .driver_info = (unsigned long) &bcm4320a_info,
> +}, {
> + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_DEVICE,
> + .idVendor = 0x0411,
> + .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
> + RNDIS_MASTER_INTERFACE,
> + .driver_info = (unsigned long) &bcm4320a_info,
> +},
> +/* Generic Wireless RNDIS devices that we don't have exact
> + * idVendor/idProduct/chip yet.
> + */
> +{
> + /* RNDIS is MSFT's un-official variant of CDC ACM */
> + USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
> + .driver_info = (unsigned long) &rndis_wext_info,
> +}, {
> + /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
> + USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
> + .driver_info = (unsigned long) &rndis_wext_info,
> +},
> + { }, // END
> +};
> +MODULE_DEVICE_TABLE(usb, products);
> +
> +static struct usb_driver rndis_wlan_driver = {
> + .name = "rndis_wlan",
> + .id_table = products,
> + .probe = usbnet_probe,
> + .disconnect = usbnet_disconnect,
> + .suspend = usbnet_suspend,
> + .resume = usbnet_resume,
> +};
> +
> +static int __init rndis_wlan_init(void)
> +{
> + return usb_register(&rndis_wlan_driver);
> +}
> +module_init(rndis_wlan_init);
> +
> +static void __exit rndis_wlan_exit(void)
> +{
> + usb_deregister(&rndis_wlan_driver);
> +}
> +module_exit(rndis_wlan_exit);
> +
> +MODULE_AUTHOR("Bjorge Dijkstra");
> +MODULE_AUTHOR("Jussi Kivilinna");
> +MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
> +MODULE_LICENSE("GPL");
> +
>
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