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-rw-r--r--MAINTAINERS6
-rw-r--r--drivers/net/wireless/Kconfig28
-rw-r--r--drivers/net/wireless/Makefile2
-rw-r--r--drivers/net/wireless/rndis_wlan.c2757
4 files changed, 2793 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 093cf04e9ca..91082e60d28 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4085,6 +4085,12 @@ L: video4linux-list@redhat.com
W: http://www.linux-projects.org
S: Maintained
+USB WIRELESS RNDIS DRIVER (rndis_wlan)
+P: Jussi Kivilinna
+M: jussi.kivilinna@mbnet.fi
+L: linux-wireless@vger.kernel.org
+S: Maintained
+
USB ZC0301 DRIVER
P: Luca Risolia
M: luca.risolia@studio.unibo.it
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index f372960904b..714a6ca30ad 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 RTL8180
tristate "Realtek 8180/8185 PCI support"
depends on MAC80211 && PCI && WLAN_80211 && EXPERIMENTAL
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index 6af7b158624..091dfe2e574 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 00000000000..d3ecf89abd9
--- /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@jooz.net>
+ * Copyright (C) 2008 by Jussi Kivilinna <jussi.kivilinna@mbnet.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_