New driver for wireless RNDIS devices. So far only known chip that uses wireless RNDIS is Broadcom 4320. List of devices detected by driver: 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@xxxxxxxx> --- MAINTAINERS | 6 drivers/net/wireless/Kconfig | 28 drivers/net/wireless/Makefile | 2 drivers/net/wireless/rndis_wext.c | 2570 +++++++++++++++++++++++++++++++++++++ 4 files changed, 2606 insertions(+), 0 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 2340cfb..93998ee 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4031,6 +4031,12 @@ L: video4linux-list@xxxxxxxxxx W: http://www.linux-projects.org S: Maintained +USB WIRELESS RNDIS DRIVER (rndis_wext) +P: Jussi Kivilinna +M: jussi.kivilinna@xxxxxxxx +L: linux-wireless@xxxxxxxxxxxxxxx +S: Maintained + USB ZC0301 DRIVER P: Luca Risolia M: luca.risolia@xxxxxxxxxxxxxxx diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index c98fc62..8702ca7 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_WEXT + 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_wext. + 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..8504dcb 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_WEXT) += rndis_wext.o + obj-$(CONFIG_USB_ZD1201) += zd1201.o obj-$(CONFIG_LIBERTAS) += libertas/ diff --git a/drivers/net/wireless/rndis_wext.c b/drivers/net/wireless/rndis_wext.c new file mode 100644 index 0000000..2c3d5c4 --- /dev/null +++ b/drivers/net/wireless/rndis_wext.c @@ -0,0 +1,2570 @@ +/* + * Driver for RNDIS based wireless USB devices. + * + * Copyright (C) 2007 by Bjorge Dijkstra <bjd@xxxxxxxx> + * Copyright (C) 2008 by Jussi Kivilinna <jussi.kivilinna@xxxxxxxx> + * + * 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]; +}; + +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; +}; + +struct NDIS_802_11_CONFIGURATION { + __le32 Length; + __le32 BeaconPeriod; + __le32 ATIMWindow; + __le32 DSConfig; + struct NDIS_802_11_CONFIGURATION_FH FHConfig; +}; + +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]; +}; + +struct NDIS_802_11_BSSID_LIST_EX { + __le32 NumberOfItems; + struct NDIS_WLAN_BSSID_EX Bssid[0]; +}; + +struct NDIS_802_11_FIXED_IEs { + u8 Timestamp[8]; + __le16 BeaconInterval; + __le16 Capabilities; +}; + +struct NDIS_802_11_WEP { + __le32 Length; + __le32 KeyIndex; + __le32 KeyLength; + u8 KeyMaterial[0]; +}; + +struct NDIS_802_11_KEY { + __le32 Length; + __le32 KeyIndex; + __le32 KeyLength; + u8 Bssid[6]; + u8 Padding[6]; + u8 KeyRSC[8]; + u8 KeyMaterial[32]; +}; + +struct NDIS_802_11_REMOVE_KEY { + __le32 Length; + __le32 KeyIndex; + u8 Bssid[6]; +}; + +struct RNDIS_CONFIG_PARAMETER_INFOBUFFER { + __le32 ParameterNameOffset; + __le32 ParameterNameLength; + __le32 ParameterType; + __le32 ParameterValueOffset; + __le32 ParameterValueLength; +} __attribute__((packed)); + +/* + * 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 mode; + int radio_on; + 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; + + /* general encryption stuff */ + int privacy; + + /* wep stuff */ + int wep_def_key; + int wep_enabled; + char wep_keys[4][13]; + int wep_key_len[4]; + + /* wpa stuff */ + int wpa_enabled; + int wpa_version; + int wpa_keymgmt; + int wpa_authalg; + int wpa_ie_len; + u8 *wpa_ie; + int wpa_cipher_pair; + int wpa_cipher_group; + struct NDIS_802_11_KEY wpa_keys[4]; +}; + + +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 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 + */ +void set_default_iw_params(struct usbnet *dev) +{ + struct rndis_wext_private *priv = get_rndis_wext_priv(dev); + __le32 tmp; + + priv->wpa_keymgmt = 0; + priv->wpa_version = 0; + + tmp = cpu_to_le32(Ndis802_11Infrastructure); + rndis_set_oid(dev, OID_802_11_INFRASTRUCTURE_MODE, &tmp, sizeof(tmp)); + tmp = cpu_to_le32(Ndis802_11EncryptionDisabled); + rndis_set_oid(dev, OID_802_11_ENCRYPTION_STATUS, &tmp, sizeof(tmp)); + tmp = cpu_to_le32(Ndis802_11AuthModeOpen); + rndis_set_oid(dev, OID_802_11_AUTHENTICATION_MODE, &tmp, sizeof(tmp)); + tmp = cpu_to_le32(Ndis802_11PrivFilter8021xWEP); + rndis_set_oid(dev, OID_802_11_PRIVACY_FILTER, &tmp, sizeof(tmp)); +} + + +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) { + priv->radio_on = 1; + devdbg(usbdev, "set_essid: radio_on = 1"); + } + + return ret; +} + + +static int get_bssid(struct usbnet *usbdev, unsigned char 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) +{ + unsigned char 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 deauthenticate(struct usbnet *usbdev) +{ + int ret; + + ret = disassociate(usbdev, 1); + set_default_iw_params(usbdev); + return ret; +} + + +static int add_wep_key(struct usbnet *usbdev, char *key, int keylength, + int index) +{ + struct NDIS_802_11_WEP *wepkey; + int ret; + + /* get memory for max size wep key */ + wepkey = kmalloc(sizeof(*wepkey) + 13, GFP_KERNEL); + if (!wepkey) + return -ENOMEM; + + memcpy(wepkey->KeyMaterial, key, keylength); + wepkey->Length = cpu_to_le32(sizeof(*wepkey) + keylength); + wepkey->KeyIndex = cpu_to_le32(index); + if (index == 0) + wepkey->KeyIndex = cpu_to_le32(1 << 31); + wepkey->KeyLength = cpu_to_le32(keylength); + ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, wepkey, + sizeof(*wepkey) + keylength); + + kfree(wepkey); + return ret; +} + + +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); + + 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 && ssid.SsidLength) { + 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); + + devdbg(usbdev, "SIOCSIWAP: %s", print_mac(mac, bssid)); + + return rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN); +} + + +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; + int auth = Ndis802_11AuthModeOpen; + int enc = Ndis802_11EncryptionDisabled; + __le32 tmp; + + 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 (p->value) { + deauthenticate(usbdev); + priv->wpa_version &= ~IW_AUTH_WPA_VERSION_DISABLED; + } else + priv->wpa_version |= IW_AUTH_WPA_VERSION_DISABLED; + 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: PRIVACY_INVOKED, %08x", p->value); + + priv->privacy = p->value; + + if (priv->privacy) { + switch (priv->wpa_keymgmt) { + case IW_AUTH_KEY_MGMT_PSK: + if (priv->wpa_version == 0) { + auth = Ndis802_11AuthModeShared; + enc = Ndis802_11Encryption1Enabled; + } else if (priv->wpa_version == + IW_AUTH_WPA_VERSION_WPA) { + auth = Ndis802_11AuthModeWPAPSK; + enc = Ndis802_11Encryption2Enabled; + } else if (priv->wpa_version == + IW_AUTH_WPA_VERSION_WPA2) { + auth = Ndis802_11AuthModeWPA2PSK; + enc = Ndis802_11Encryption3Enabled; + } else { + devdbg(usbdev, "weird wpa_version %08x", + priv->wpa_version); + auth = Ndis802_11AuthModeWPA2PSK; + enc = Ndis802_11Encryption3Enabled; + } + break; + + case IW_AUTH_KEY_MGMT_802_1X: + if (priv->wpa_version == 0) { + auth = Ndis802_11AuthModeShared; + enc = Ndis802_11Encryption1Enabled; + } else if (priv->wpa_version == + IW_AUTH_WPA_VERSION_WPA) { + auth = Ndis802_11AuthModeWPA; + enc = Ndis802_11Encryption2Enabled; + } else if (priv->wpa_version == + IW_AUTH_WPA_VERSION_WPA2) { + auth = Ndis802_11AuthModeWPA2; + enc = Ndis802_11Encryption3Enabled; + } else { + devdbg(usbdev, "weird wpa_version %08x", + priv->wpa_version); + auth = Ndis802_11AuthModeWPA2; + enc = Ndis802_11Encryption3Enabled; + } + break; + } + } else { + auth = Ndis802_11AuthModeOpen; + enc = Ndis802_11EncryptionDisabled; + } + tmp = cpu_to_le32(auth); + rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp, + sizeof(tmp)); + tmp = cpu_to_le32(enc); + rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp, + sizeof(tmp)); + ret = 0; + break; + + default: + devdbg(usbdev, "SIOCSIWAUTH: UKNOWN %08x, %08x", + p->flags & IW_AUTH_INDEX, p->value); + } + return ret; +} + + +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->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; + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); + int i, ret = -EINVAL; + __le32 tmp; + + devdbg(usbdev, "SIOCSIWMODE: %08x", wrqu->mode); + + switch (wrqu->mode) { + case IW_MODE_ADHOC: + priv->mode = Ndis802_11IBSS; + break; + + case IW_MODE_INFRA: + priv->mode = Ndis802_11Infrastructure; + break; + + /*case IW_MODE_AUTO:*/ + default: + priv->mode = Ndis802_11AutoUnknown; + break; + } + tmp = cpu_to_le32(priv->mode); + ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp, + sizeof(tmp)); + if (ret != 0) + 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->wep_key_len[i] > 0) + add_wep_key(usbdev, priv->wep_keys[i], + priv->wep_key_len[i], i); + } + } + + return ret; +} + + +static int rndis_iw_set_encode(struct net_device *dev, + struct iw_request_info *info, union iwreq_data *wrqu, char *extra) +{ + struct iw_point *param = &wrqu->encoding; + struct usbnet *usbdev = dev->priv; + struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); + int ret = 0; + int index; + int auth = Ndis802_11AuthModeOpen; + int enc = Ndis802_11EncryptionDisabled; + __le32 tmp; + + devdbg(usbdev, "SIOCSIWENCODE: %08x, %08x", + param->flags, param->length); + + index = (param->flags & IW_ENCODE_INDEX) - 1; + + if (param->length > 0) { + int current_index = priv->wep_def_key; + /* Check the size of the key */ + if (param->length > 13) + return -EINVAL; + /* Check the index (none -> use current) */ + if (index < 0 || index >= 4) + index = current_index; + else + priv->wep_def_key = index; + /* Set the length */ + if (param->length > 5) + priv->wep_key_len[index] = 13; + else + if (param->length > 0) + priv->wep_key_len[index] = 5; + else + /* Disable the key */ + priv->wep_key_len[index] = 0; + /* Check if the key is not marked as invalid */ + if (!(param->flags & IW_ENCODE_NOKEY)) { + /* Cleanup */ + memset(priv->wep_keys[index], 0, 13); + /* Copy the key in the driver */ + memcpy(priv->wep_keys[index], extra, param->length); + } + /* WE specify that if a valid key is set, encryption + * should be enabled (user may turn it off later) + * This is also how "iwconfig ethX key on" works + */ + if (index == current_index && priv->wep_key_len[index] > 0) + priv->wep_enabled = 1; + } else { + if (index >= 0 && index < 4) + priv->wep_def_key = index; + else + /* Don't complain if only change the mode */ + if (!param->flags & IW_ENCODE_MODE) + return -EINVAL; + } + + if (index >= 0 && index < 4) { + add_wep_key(usbdev, priv->wep_keys[index], + priv->wep_key_len[index], index); + } + + + /* Read the flags */ + if (param->flags & IW_ENCODE_DISABLED) { + priv->wep_enabled = 0; + } else { + priv->wep_enabled = 1; + } + + if (param->flags & IW_ENCODE_RESTRICTED) + auth = Ndis802_11AuthModeShared; + if (param->flags & IW_ENCODE_OPEN) + auth = Ndis802_11AuthModeOpen; + + if (priv->wep_enabled) { + if (param->flags & IW_ENCODE_MODE) + enc = Ndis802_11WEPEnabled; + } else + enc = Ndis802_11WEPDisabled; + + tmp = cpu_to_le32(auth); + rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp, + sizeof(tmp)); + tmp = cpu_to_le32(enc); + rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp, + sizeof(tmp)); + + return ret; +} + + +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 = (void *)extra; + struct usbnet *usbdev = dev->priv; + int ret = -EINVAL, keyindex; + struct NDIS_802_11_REMOVE_KEY rem_key; + struct NDIS_802_11_KEY add_key; + + devdbg(usbdev, "SIOCSIWENCODEEXT: ext. flags:%08x, alg:%08x: keylen:%d", + ext->ext_flags, ext->alg, ext->key_len); + devdbg(usbdev, " : enc. flags:%08x, length:%d", + wrqu->encoding.flags, wrqu->encoding.length); + + keyindex = (wrqu->encoding.flags & IW_ENCODE_INDEX) - 1; + + /* TX key */ + if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) + keyindex |= (1 << 31); + + /* pairwise key */ + if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY)) + keyindex |= (1 << 30); + + if (wrqu->encoding.flags & IW_ENCODE_DISABLED) { + memset(&rem_key, 0, sizeof(rem_key)); + rem_key.Length = cpu_to_le32(sizeof(rem_key)); + rem_key.KeyIndex = cpu_to_le32(keyindex); + if (keyindex & (1 << 30)) { + memcpy(rem_key.Bssid, ext->addr.sa_data, ETH_ALEN); + } else { + memset(rem_key.Bssid, 0xff, ETH_ALEN); + } + ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &rem_key, + sizeof(rem_key)); + } else { + if (ext->key_len > sizeof(add_key.KeyMaterial)) + return -EINVAL; + + memset(&add_key, 0, sizeof(add_key)); + add_key.Length = cpu_to_le32(sizeof(add_key)); + + if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { + memcpy(&add_key.KeyRSC, ext->rx_seq, + IW_ENCODE_SEQ_MAX_SIZE); + keyindex |= (1 << 29); + } + + if (ext->ext_flags & IW_ENCODE_EXT_TX_SEQ_VALID) { + memcpy(&add_key.KeyRSC, ext->tx_seq, + IW_ENCODE_SEQ_MAX_SIZE); + keyindex |= (1 << 29); + } + + add_key.KeyIndex = cpu_to_le32(keyindex); + add_key.KeyLength = cpu_to_le32(ext->key_len); + if (keyindex & (1 << 30)) { + memcpy(add_key.Bssid, ext->addr.sa_data, ETH_ALEN); + } else { + memset(add_key.Bssid, 0xff, ETH_ALEN); + } + if (ext->alg == IW_ENCODE_ALG_TKIP) { + memcpy(add_key.KeyMaterial, ext->key, 16); + memcpy(add_key.KeyMaterial + 16, ext->key + 24, 8); + memcpy(add_key.KeyMaterial + 24, ext->key + 16, 8); + } else { + memcpy(add_key.KeyMaterial, ext->key, ext->key_len); + } + /* kludge alert - breaking a race between ioctl and network + * packet. This delay is to prevent encryption being enabled + * while the last authentication handshake packet is still + * underway in the stack somewhere. If encryption is enabled + * too early the AP will not see this last handshake packet and + * association fails. + * + * also see: + * http://lists.shmoo.com/pipermail/hostap/2006-September/014157.html + */ + msleep(500); + + ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &add_key, + sizeof(add_key)); + } + return ret; +} + + +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(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); + 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_wext"); + 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 bcm4320_info = { + .description = "Wireless RNDIS device, BCM4320 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, + .rndis_early_init = bcm4320_early_init, + .rndis_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 + +/* When adding new entries, remember to add blacklist entry to rndis_host. */ + +/* 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) &bcm4320_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) &bcm4320_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) &bcm4320_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) &bcm4320_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) &bcm4320_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) &bcm4320_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) &bcm4320_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) &bcm4320_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) &bcm4320_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) &bcm4320_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) &bcm4320_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) &bcm4320_info, +}, + { }, // END +}; +MODULE_DEVICE_TABLE(usb, products); + +static struct usb_driver rndis_wext_driver = { + .name = "rndis_wext", + .id_table = products, + .probe = usbnet_probe, + .disconnect = usbnet_disconnect, + .suspend = usbnet_suspend, + .resume = usbnet_resume, +}; + +static int __init rndis_wext_init(void) +{ + return usb_register(&rndis_wext_driver); +} +module_init(rndis_wext_init); + +static void __exit rndis_wext_exit(void) +{ + usb_deregister(&rndis_wext_driver); +} +module_exit(rndis_wext_exit); + +MODULE_AUTHOR("Bjorge Dijkstra"); +MODULE_AUTHOR("Jussi Kivilinna"); +MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters"); +MODULE_LICENSE("GPL"); + - To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
