mirror of
https://github.com/AlexisTM/RT-WiFi.git
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3768 lines
100 KiB
C
3768 lines
100 KiB
C
/*
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* Driver for RNDIS based wireless USB devices.
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*
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* Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
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* Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Portions of this file are based on NDISwrapper project,
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* Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
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* http://ndiswrapper.sourceforge.net/
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*/
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// #define DEBUG // error path messages, extra info
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// #define VERBOSE // more; success messages
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/ethtool.h>
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#include <linux/workqueue.h>
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#include <linux/mutex.h>
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#include <linux/mii.h>
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#include <linux/usb.h>
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#include <linux/usb/cdc.h>
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#include <linux/ieee80211.h>
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#include <linux/if_arp.h>
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#include <linux/ctype.h>
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#include <linux/spinlock.h>
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#include <linux/slab.h>
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#include <net/cfg80211.h>
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#include <linux/usb/usbnet.h>
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#include <linux/usb/rndis_host.h>
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/* NOTE: All these are settings for Broadcom chipset */
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static char modparam_country[4] = "EU";
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module_param_string(country, modparam_country, 4, 0444);
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MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
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static int modparam_frameburst = 1;
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module_param_named(frameburst, modparam_frameburst, int, 0444);
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MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
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static int modparam_afterburner = 0;
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module_param_named(afterburner, modparam_afterburner, int, 0444);
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MODULE_PARM_DESC(afterburner,
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"enable afterburner aka '125 High Speed Mode' (default: off)");
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static int modparam_power_save = 0;
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module_param_named(power_save, modparam_power_save, int, 0444);
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MODULE_PARM_DESC(power_save,
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"set power save mode: 0=off, 1=on, 2=fast (default: off)");
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static int modparam_power_output = 3;
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module_param_named(power_output, modparam_power_output, int, 0444);
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MODULE_PARM_DESC(power_output,
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"set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
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static int modparam_roamtrigger = -70;
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module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
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MODULE_PARM_DESC(roamtrigger,
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"set roaming dBm trigger: -80=optimize for distance, "
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"-60=bandwidth (default: -70)");
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static int modparam_roamdelta = 1;
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module_param_named(roamdelta, modparam_roamdelta, int, 0444);
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MODULE_PARM_DESC(roamdelta,
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"set roaming tendency: 0=aggressive, 1=moderate, "
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"2=conservative (default: moderate)");
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static int modparam_workaround_interval;
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module_param_named(workaround_interval, modparam_workaround_interval,
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int, 0444);
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MODULE_PARM_DESC(workaround_interval,
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"set stall workaround interval in msecs (0=disabled) (default: 0)");
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/* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
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#define WL_NOISE -96 /* typical noise level in dBm */
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#define WL_SIGMAX -32 /* typical maximum signal level in dBm */
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/* Assume that Broadcom 4320 (only chipset at time of writing known to be
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* based on wireless rndis) has default txpower of 13dBm.
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* This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
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* 100% : 20 mW ~ 13dBm
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* 75% : 15 mW ~ 12dBm
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* 50% : 10 mW ~ 10dBm
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* 25% : 5 mW ~ 7dBm
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*/
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#define BCM4320_DEFAULT_TXPOWER_DBM_100 13
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#define BCM4320_DEFAULT_TXPOWER_DBM_75 12
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#define BCM4320_DEFAULT_TXPOWER_DBM_50 10
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#define BCM4320_DEFAULT_TXPOWER_DBM_25 7
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/* Known device types */
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#define RNDIS_UNKNOWN 0
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#define RNDIS_BCM4320A 1
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#define RNDIS_BCM4320B 2
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/* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
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* slightly modified for datatype endianess, etc
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*/
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#define NDIS_802_11_LENGTH_SSID 32
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#define NDIS_802_11_LENGTH_RATES 8
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#define NDIS_802_11_LENGTH_RATES_EX 16
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enum ndis_80211_net_type {
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NDIS_80211_TYPE_FREQ_HOP,
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NDIS_80211_TYPE_DIRECT_SEQ,
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NDIS_80211_TYPE_OFDM_A,
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NDIS_80211_TYPE_OFDM_G
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};
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enum ndis_80211_net_infra {
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NDIS_80211_INFRA_ADHOC,
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NDIS_80211_INFRA_INFRA,
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NDIS_80211_INFRA_AUTO_UNKNOWN
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};
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enum ndis_80211_auth_mode {
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NDIS_80211_AUTH_OPEN,
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NDIS_80211_AUTH_SHARED,
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NDIS_80211_AUTH_AUTO_SWITCH,
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NDIS_80211_AUTH_WPA,
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NDIS_80211_AUTH_WPA_PSK,
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NDIS_80211_AUTH_WPA_NONE,
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NDIS_80211_AUTH_WPA2,
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NDIS_80211_AUTH_WPA2_PSK
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};
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enum ndis_80211_encr_status {
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NDIS_80211_ENCR_WEP_ENABLED,
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NDIS_80211_ENCR_DISABLED,
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NDIS_80211_ENCR_WEP_KEY_ABSENT,
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NDIS_80211_ENCR_NOT_SUPPORTED,
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NDIS_80211_ENCR_TKIP_ENABLED,
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NDIS_80211_ENCR_TKIP_KEY_ABSENT,
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NDIS_80211_ENCR_CCMP_ENABLED,
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NDIS_80211_ENCR_CCMP_KEY_ABSENT
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};
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enum ndis_80211_priv_filter {
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NDIS_80211_PRIV_ACCEPT_ALL,
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NDIS_80211_PRIV_8021X_WEP
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};
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enum ndis_80211_status_type {
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NDIS_80211_STATUSTYPE_AUTHENTICATION,
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NDIS_80211_STATUSTYPE_MEDIASTREAMMODE,
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NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST,
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NDIS_80211_STATUSTYPE_RADIOSTATE,
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};
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enum ndis_80211_media_stream_mode {
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NDIS_80211_MEDIA_STREAM_OFF,
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NDIS_80211_MEDIA_STREAM_ON
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};
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enum ndis_80211_radio_status {
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NDIS_80211_RADIO_STATUS_ON,
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NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
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NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
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};
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enum ndis_80211_addkey_bits {
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NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
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NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
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NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
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NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
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};
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enum ndis_80211_addwep_bits {
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NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
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NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
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};
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enum ndis_80211_power_mode {
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NDIS_80211_POWER_MODE_CAM,
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NDIS_80211_POWER_MODE_MAX_PSP,
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NDIS_80211_POWER_MODE_FAST_PSP,
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};
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enum ndis_80211_pmkid_cand_list_flag_bits {
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NDIS_80211_PMKID_CAND_PREAUTH = cpu_to_le32(1 << 0)
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};
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struct ndis_80211_auth_request {
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__le32 length;
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u8 bssid[6];
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u8 padding[2];
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__le32 flags;
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} __packed;
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struct ndis_80211_pmkid_candidate {
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u8 bssid[6];
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u8 padding[2];
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__le32 flags;
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} __packed;
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struct ndis_80211_pmkid_cand_list {
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__le32 version;
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__le32 num_candidates;
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struct ndis_80211_pmkid_candidate candidate_list[0];
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} __packed;
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struct ndis_80211_status_indication {
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__le32 status_type;
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union {
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__le32 media_stream_mode;
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__le32 radio_status;
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struct ndis_80211_auth_request auth_request[0];
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struct ndis_80211_pmkid_cand_list cand_list;
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} u;
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} __packed;
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struct ndis_80211_ssid {
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__le32 length;
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u8 essid[NDIS_802_11_LENGTH_SSID];
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} __packed;
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struct ndis_80211_conf_freq_hop {
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__le32 length;
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__le32 hop_pattern;
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__le32 hop_set;
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__le32 dwell_time;
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} __packed;
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struct ndis_80211_conf {
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__le32 length;
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__le32 beacon_period;
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__le32 atim_window;
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__le32 ds_config;
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struct ndis_80211_conf_freq_hop fh_config;
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} __packed;
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struct ndis_80211_bssid_ex {
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__le32 length;
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u8 mac[6];
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u8 padding[2];
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struct ndis_80211_ssid ssid;
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__le32 privacy;
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__le32 rssi;
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__le32 net_type;
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struct ndis_80211_conf config;
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__le32 net_infra;
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u8 rates[NDIS_802_11_LENGTH_RATES_EX];
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__le32 ie_length;
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u8 ies[0];
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} __packed;
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struct ndis_80211_bssid_list_ex {
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__le32 num_items;
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struct ndis_80211_bssid_ex bssid[0];
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} __packed;
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struct ndis_80211_fixed_ies {
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u8 timestamp[8];
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__le16 beacon_interval;
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__le16 capabilities;
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} __packed;
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struct ndis_80211_wep_key {
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__le32 size;
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__le32 index;
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__le32 length;
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u8 material[32];
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} __packed;
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struct ndis_80211_key {
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__le32 size;
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__le32 index;
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__le32 length;
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u8 bssid[6];
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u8 padding[6];
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u8 rsc[8];
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u8 material[32];
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} __packed;
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struct ndis_80211_remove_key {
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__le32 size;
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__le32 index;
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u8 bssid[6];
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u8 padding[2];
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} __packed;
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struct ndis_config_param {
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__le32 name_offs;
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__le32 name_length;
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__le32 type;
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__le32 value_offs;
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__le32 value_length;
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} __packed;
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struct ndis_80211_assoc_info {
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__le32 length;
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__le16 req_ies;
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struct req_ie {
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__le16 capa;
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__le16 listen_interval;
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u8 cur_ap_address[6];
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} req_ie;
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__le32 req_ie_length;
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__le32 offset_req_ies;
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__le16 resp_ies;
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struct resp_ie {
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__le16 capa;
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__le16 status_code;
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__le16 assoc_id;
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} resp_ie;
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__le32 resp_ie_length;
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__le32 offset_resp_ies;
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} __packed;
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struct ndis_80211_auth_encr_pair {
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__le32 auth_mode;
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__le32 encr_mode;
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} __packed;
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struct ndis_80211_capability {
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__le32 length;
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__le32 version;
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__le32 num_pmkids;
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__le32 num_auth_encr_pair;
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struct ndis_80211_auth_encr_pair auth_encr_pair[0];
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} __packed;
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struct ndis_80211_bssid_info {
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u8 bssid[6];
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u8 pmkid[16];
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} __packed;
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struct ndis_80211_pmkid {
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__le32 length;
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__le32 bssid_info_count;
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struct ndis_80211_bssid_info bssid_info[0];
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} __packed;
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/*
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* private data
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*/
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#define CAP_MODE_80211A 1
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#define CAP_MODE_80211B 2
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#define CAP_MODE_80211G 4
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#define CAP_MODE_MASK 7
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#define WORK_LINK_UP (1<<0)
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#define WORK_LINK_DOWN (1<<1)
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#define WORK_SET_MULTICAST_LIST (1<<2)
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#define RNDIS_WLAN_ALG_NONE 0
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#define RNDIS_WLAN_ALG_WEP (1<<0)
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#define RNDIS_WLAN_ALG_TKIP (1<<1)
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#define RNDIS_WLAN_ALG_CCMP (1<<2)
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#define RNDIS_WLAN_NUM_KEYS 4
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#define RNDIS_WLAN_KEY_MGMT_NONE 0
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#define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
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#define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
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#define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
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static const struct ieee80211_channel rndis_channels[] = {
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{ .center_freq = 2412 },
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{ .center_freq = 2417 },
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{ .center_freq = 2422 },
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{ .center_freq = 2427 },
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{ .center_freq = 2432 },
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{ .center_freq = 2437 },
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{ .center_freq = 2442 },
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{ .center_freq = 2447 },
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{ .center_freq = 2452 },
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{ .center_freq = 2457 },
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{ .center_freq = 2462 },
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{ .center_freq = 2467 },
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{ .center_freq = 2472 },
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{ .center_freq = 2484 },
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};
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static const struct ieee80211_rate rndis_rates[] = {
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{ .bitrate = 10 },
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{ .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
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{ .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
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{ .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
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{ .bitrate = 60 },
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{ .bitrate = 90 },
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{ .bitrate = 120 },
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{ .bitrate = 180 },
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{ .bitrate = 240 },
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{ .bitrate = 360 },
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{ .bitrate = 480 },
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{ .bitrate = 540 }
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};
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static const u32 rndis_cipher_suites[] = {
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WLAN_CIPHER_SUITE_WEP40,
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WLAN_CIPHER_SUITE_WEP104,
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WLAN_CIPHER_SUITE_TKIP,
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WLAN_CIPHER_SUITE_CCMP,
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};
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struct rndis_wlan_encr_key {
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int len;
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u32 cipher;
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u8 material[32];
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u8 bssid[ETH_ALEN];
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bool pairwise;
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bool tx_key;
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};
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/* RNDIS device private data */
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struct rndis_wlan_private {
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struct usbnet *usbdev;
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struct wireless_dev wdev;
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struct cfg80211_scan_request *scan_request;
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struct workqueue_struct *workqueue;
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struct delayed_work dev_poller_work;
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struct delayed_work scan_work;
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struct work_struct work;
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struct mutex command_lock;
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unsigned long work_pending;
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int last_qual;
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s32 cqm_rssi_thold;
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u32 cqm_rssi_hyst;
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int last_cqm_event_rssi;
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struct ieee80211_supported_band band;
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struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
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struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
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u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
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int device_type;
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int caps;
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int multicast_size;
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/* module parameters */
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char param_country[4];
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int param_frameburst;
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int param_afterburner;
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int param_power_save;
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int param_power_output;
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int param_roamtrigger;
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int param_roamdelta;
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u32 param_workaround_interval;
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/* hardware state */
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bool radio_on;
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int power_mode;
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int infra_mode;
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bool connected;
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u8 bssid[ETH_ALEN];
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u32 current_command_oid;
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/* encryption stuff */
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u8 encr_tx_key_index;
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struct rndis_wlan_encr_key encr_keys[RNDIS_WLAN_NUM_KEYS];
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int wpa_version;
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u8 command_buffer[COMMAND_BUFFER_SIZE];
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};
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/*
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* cfg80211 ops
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*/
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static int rndis_change_virtual_intf(struct wiphy *wiphy,
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struct net_device *dev,
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enum nl80211_iftype type, u32 *flags,
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struct vif_params *params);
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static int rndis_scan(struct wiphy *wiphy,
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struct cfg80211_scan_request *request);
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static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
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static int rndis_set_tx_power(struct wiphy *wiphy,
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struct wireless_dev *wdev,
|
|
enum nl80211_tx_power_setting type,
|
|
int mbm);
|
|
static int rndis_get_tx_power(struct wiphy *wiphy,
|
|
struct wireless_dev *wdev,
|
|
int *dbm);
|
|
|
|
static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_connect_params *sme);
|
|
|
|
static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
|
|
u16 reason_code);
|
|
|
|
static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_ibss_params *params);
|
|
|
|
static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
|
|
|
|
static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
|
|
u8 key_index, bool pairwise, const u8 *mac_addr,
|
|
struct key_params *params);
|
|
|
|
static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
|
|
u8 key_index, bool pairwise, const u8 *mac_addr);
|
|
|
|
static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
|
|
u8 key_index, bool unicast, bool multicast);
|
|
|
|
static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *mac, struct station_info *sinfo);
|
|
|
|
static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
|
|
int idx, u8 *mac, struct station_info *sinfo);
|
|
|
|
static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
|
|
struct cfg80211_pmksa *pmksa);
|
|
|
|
static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
|
|
struct cfg80211_pmksa *pmksa);
|
|
|
|
static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev);
|
|
|
|
static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
|
|
bool enabled, int timeout);
|
|
|
|
static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
s32 rssi_thold, u32 rssi_hyst);
|
|
|
|
static const struct cfg80211_ops rndis_config_ops = {
|
|
.change_virtual_intf = rndis_change_virtual_intf,
|
|
.scan = rndis_scan,
|
|
.set_wiphy_params = rndis_set_wiphy_params,
|
|
.set_tx_power = rndis_set_tx_power,
|
|
.get_tx_power = rndis_get_tx_power,
|
|
.connect = rndis_connect,
|
|
.disconnect = rndis_disconnect,
|
|
.join_ibss = rndis_join_ibss,
|
|
.leave_ibss = rndis_leave_ibss,
|
|
.add_key = rndis_add_key,
|
|
.del_key = rndis_del_key,
|
|
.set_default_key = rndis_set_default_key,
|
|
.get_station = rndis_get_station,
|
|
.dump_station = rndis_dump_station,
|
|
.set_pmksa = rndis_set_pmksa,
|
|
.del_pmksa = rndis_del_pmksa,
|
|
.flush_pmksa = rndis_flush_pmksa,
|
|
.set_power_mgmt = rndis_set_power_mgmt,
|
|
.set_cqm_rssi_config = rndis_set_cqm_rssi_config,
|
|
};
|
|
|
|
static void *rndis_wiphy_privid = &rndis_wiphy_privid;
|
|
|
|
|
|
static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
|
|
{
|
|
return (struct rndis_wlan_private *)dev->driver_priv;
|
|
}
|
|
|
|
static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
|
|
{
|
|
switch (priv->param_power_output) {
|
|
default:
|
|
case 3:
|
|
return BCM4320_DEFAULT_TXPOWER_DBM_100;
|
|
case 2:
|
|
return BCM4320_DEFAULT_TXPOWER_DBM_75;
|
|
case 1:
|
|
return BCM4320_DEFAULT_TXPOWER_DBM_50;
|
|
case 0:
|
|
return BCM4320_DEFAULT_TXPOWER_DBM_25;
|
|
}
|
|
}
|
|
|
|
static bool is_wpa_key(struct rndis_wlan_private *priv, u8 idx)
|
|
{
|
|
int cipher = priv->encr_keys[idx].cipher;
|
|
|
|
return (cipher == WLAN_CIPHER_SUITE_CCMP ||
|
|
cipher == WLAN_CIPHER_SUITE_TKIP);
|
|
}
|
|
|
|
static int rndis_cipher_to_alg(u32 cipher)
|
|
{
|
|
switch (cipher) {
|
|
default:
|
|
return RNDIS_WLAN_ALG_NONE;
|
|
case WLAN_CIPHER_SUITE_WEP40:
|
|
case WLAN_CIPHER_SUITE_WEP104:
|
|
return RNDIS_WLAN_ALG_WEP;
|
|
case WLAN_CIPHER_SUITE_TKIP:
|
|
return RNDIS_WLAN_ALG_TKIP;
|
|
case WLAN_CIPHER_SUITE_CCMP:
|
|
return RNDIS_WLAN_ALG_CCMP;
|
|
}
|
|
}
|
|
|
|
static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
|
|
{
|
|
switch (akm_suite) {
|
|
default:
|
|
return RNDIS_WLAN_KEY_MGMT_NONE;
|
|
case WLAN_AKM_SUITE_8021X:
|
|
return RNDIS_WLAN_KEY_MGMT_802_1X;
|
|
case WLAN_AKM_SUITE_PSK:
|
|
return RNDIS_WLAN_KEY_MGMT_PSK;
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
static const char *oid_to_string(u32 oid)
|
|
{
|
|
switch (oid) {
|
|
#define OID_STR(oid) case oid: return(#oid)
|
|
/* from rndis_host.h */
|
|
OID_STR(RNDIS_OID_802_3_PERMANENT_ADDRESS);
|
|
OID_STR(RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE);
|
|
OID_STR(RNDIS_OID_GEN_CURRENT_PACKET_FILTER);
|
|
OID_STR(RNDIS_OID_GEN_PHYSICAL_MEDIUM);
|
|
|
|
/* from rndis_wlan.c */
|
|
OID_STR(RNDIS_OID_GEN_LINK_SPEED);
|
|
OID_STR(RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER);
|
|
|
|
OID_STR(RNDIS_OID_GEN_XMIT_OK);
|
|
OID_STR(RNDIS_OID_GEN_RCV_OK);
|
|
OID_STR(RNDIS_OID_GEN_XMIT_ERROR);
|
|
OID_STR(RNDIS_OID_GEN_RCV_ERROR);
|
|
OID_STR(RNDIS_OID_GEN_RCV_NO_BUFFER);
|
|
|
|
OID_STR(RNDIS_OID_802_3_CURRENT_ADDRESS);
|
|
OID_STR(RNDIS_OID_802_3_MULTICAST_LIST);
|
|
OID_STR(RNDIS_OID_802_3_MAXIMUM_LIST_SIZE);
|
|
|
|
OID_STR(RNDIS_OID_802_11_BSSID);
|
|
OID_STR(RNDIS_OID_802_11_SSID);
|
|
OID_STR(RNDIS_OID_802_11_INFRASTRUCTURE_MODE);
|
|
OID_STR(RNDIS_OID_802_11_ADD_WEP);
|
|
OID_STR(RNDIS_OID_802_11_REMOVE_WEP);
|
|
OID_STR(RNDIS_OID_802_11_DISASSOCIATE);
|
|
OID_STR(RNDIS_OID_802_11_AUTHENTICATION_MODE);
|
|
OID_STR(RNDIS_OID_802_11_PRIVACY_FILTER);
|
|
OID_STR(RNDIS_OID_802_11_BSSID_LIST_SCAN);
|
|
OID_STR(RNDIS_OID_802_11_ENCRYPTION_STATUS);
|
|
OID_STR(RNDIS_OID_802_11_ADD_KEY);
|
|
OID_STR(RNDIS_OID_802_11_REMOVE_KEY);
|
|
OID_STR(RNDIS_OID_802_11_ASSOCIATION_INFORMATION);
|
|
OID_STR(RNDIS_OID_802_11_CAPABILITY);
|
|
OID_STR(RNDIS_OID_802_11_PMKID);
|
|
OID_STR(RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED);
|
|
OID_STR(RNDIS_OID_802_11_NETWORK_TYPE_IN_USE);
|
|
OID_STR(RNDIS_OID_802_11_TX_POWER_LEVEL);
|
|
OID_STR(RNDIS_OID_802_11_RSSI);
|
|
OID_STR(RNDIS_OID_802_11_RSSI_TRIGGER);
|
|
OID_STR(RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD);
|
|
OID_STR(RNDIS_OID_802_11_RTS_THRESHOLD);
|
|
OID_STR(RNDIS_OID_802_11_SUPPORTED_RATES);
|
|
OID_STR(RNDIS_OID_802_11_CONFIGURATION);
|
|
OID_STR(RNDIS_OID_802_11_POWER_MODE);
|
|
OID_STR(RNDIS_OID_802_11_BSSID_LIST);
|
|
#undef OID_STR
|
|
}
|
|
|
|
return "?";
|
|
}
|
|
#else
|
|
static const char *oid_to_string(u32 oid)
|
|
{
|
|
return "?";
|
|
}
|
|
#endif
|
|
|
|
/* translate error code */
|
|
static int rndis_error_status(__le32 rndis_status)
|
|
{
|
|
int ret = -EINVAL;
|
|
switch (le32_to_cpu(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, u32 oid, void *data, int *len)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
|
|
union {
|
|
void *buf;
|
|
struct rndis_msg_hdr *header;
|
|
struct rndis_query *get;
|
|
struct rndis_query_c *get_c;
|
|
} u;
|
|
int ret, buflen;
|
|
int resplen, respoffs, copylen;
|
|
|
|
buflen = *len + sizeof(*u.get);
|
|
if (buflen < CONTROL_BUFFER_SIZE)
|
|
buflen = CONTROL_BUFFER_SIZE;
|
|
|
|
if (buflen > COMMAND_BUFFER_SIZE) {
|
|
u.buf = kmalloc(buflen, GFP_KERNEL);
|
|
if (!u.buf)
|
|
return -ENOMEM;
|
|
} else {
|
|
u.buf = priv->command_buffer;
|
|
}
|
|
|
|
mutex_lock(&priv->command_lock);
|
|
|
|
memset(u.get, 0, sizeof *u.get);
|
|
u.get->msg_type = cpu_to_le32(RNDIS_MSG_QUERY);
|
|
u.get->msg_len = cpu_to_le32(sizeof *u.get);
|
|
u.get->oid = cpu_to_le32(oid);
|
|
|
|
priv->current_command_oid = oid;
|
|
ret = rndis_command(dev, u.header, buflen);
|
|
priv->current_command_oid = 0;
|
|
if (ret < 0)
|
|
netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
|
|
__func__, oid_to_string(oid), ret,
|
|
le32_to_cpu(u.get_c->status));
|
|
|
|
if (ret == 0) {
|
|
resplen = le32_to_cpu(u.get_c->len);
|
|
respoffs = le32_to_cpu(u.get_c->offset) + 8;
|
|
|
|
if (respoffs > buflen) {
|
|
/* Device returned data offset outside buffer, error. */
|
|
netdev_dbg(dev->net, "%s(%s): received invalid "
|
|
"data offset: %d > %d\n", __func__,
|
|
oid_to_string(oid), respoffs, buflen);
|
|
|
|
ret = -EINVAL;
|
|
goto exit_unlock;
|
|
}
|
|
|
|
if ((resplen + respoffs) > buflen) {
|
|
/* Device would have returned more data if buffer would
|
|
* have been big enough. Copy just the bits that we got.
|
|
*/
|
|
copylen = buflen - respoffs;
|
|
} else {
|
|
copylen = resplen;
|
|
}
|
|
|
|
if (copylen > *len)
|
|
copylen = *len;
|
|
|
|
memcpy(data, u.buf + respoffs, copylen);
|
|
|
|
*len = resplen;
|
|
|
|
ret = rndis_error_status(u.get_c->status);
|
|
if (ret < 0)
|
|
netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
|
|
__func__, oid_to_string(oid),
|
|
le32_to_cpu(u.get_c->status), ret);
|
|
}
|
|
|
|
exit_unlock:
|
|
mutex_unlock(&priv->command_lock);
|
|
|
|
if (u.buf != priv->command_buffer)
|
|
kfree(u.buf);
|
|
return ret;
|
|
}
|
|
|
|
static int rndis_set_oid(struct usbnet *dev, u32 oid, const void *data,
|
|
int len)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_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;
|
|
|
|
if (buflen > COMMAND_BUFFER_SIZE) {
|
|
u.buf = kmalloc(buflen, GFP_KERNEL);
|
|
if (!u.buf)
|
|
return -ENOMEM;
|
|
} else {
|
|
u.buf = priv->command_buffer;
|
|
}
|
|
|
|
mutex_lock(&priv->command_lock);
|
|
|
|
memset(u.set, 0, sizeof *u.set);
|
|
u.set->msg_type = cpu_to_le32(RNDIS_MSG_SET);
|
|
u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
|
|
u.set->oid = cpu_to_le32(oid);
|
|
u.set->len = cpu_to_le32(len);
|
|
u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
|
|
u.set->handle = cpu_to_le32(0);
|
|
memcpy(u.buf + sizeof(*u.set), data, len);
|
|
|
|
priv->current_command_oid = oid;
|
|
ret = rndis_command(dev, u.header, buflen);
|
|
priv->current_command_oid = 0;
|
|
if (ret < 0)
|
|
netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
|
|
__func__, oid_to_string(oid), ret,
|
|
le32_to_cpu(u.set_c->status));
|
|
|
|
if (ret == 0) {
|
|
ret = rndis_error_status(u.set_c->status);
|
|
|
|
if (ret < 0)
|
|
netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
|
|
__func__, oid_to_string(oid),
|
|
le32_to_cpu(u.set_c->status), ret);
|
|
}
|
|
|
|
mutex_unlock(&priv->command_lock);
|
|
|
|
if (u.buf != priv->command_buffer)
|
|
kfree(u.buf);
|
|
return ret;
|
|
}
|
|
|
|
static int rndis_reset(struct usbnet *usbdev)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct rndis_reset *reset;
|
|
int ret;
|
|
|
|
mutex_lock(&priv->command_lock);
|
|
|
|
reset = (void *)priv->command_buffer;
|
|
memset(reset, 0, sizeof(*reset));
|
|
reset->msg_type = cpu_to_le32(RNDIS_MSG_RESET);
|
|
reset->msg_len = cpu_to_le32(sizeof(*reset));
|
|
priv->current_command_oid = 0;
|
|
ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
|
|
|
|
mutex_unlock(&priv->command_lock);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* 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 ndis_config_param *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)
|
|
netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n",
|
|
param, (u8 *)value);
|
|
else
|
|
netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n",
|
|
param, *(u32 *)value);
|
|
|
|
infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
|
|
infobuf->name_length = cpu_to_le32(param_len);
|
|
infobuf->type = cpu_to_le32(value_type);
|
|
infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
|
|
infobuf->value_length = 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
|
|
netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len);
|
|
for (i = 0; i < info_len; i += 12) {
|
|
u32 *tmp = (u32 *)((u8 *)infobuf + i);
|
|
netdev_dbg(dev->net, "%08X:%08X:%08X\n",
|
|
cpu_to_be32(tmp[0]),
|
|
cpu_to_be32(tmp[1]),
|
|
cpu_to_be32(tmp[2]));
|
|
}
|
|
#endif
|
|
|
|
ret = rndis_set_oid(dev, RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER,
|
|
infobuf, info_len);
|
|
if (ret != 0)
|
|
netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n",
|
|
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);
|
|
}
|
|
|
|
/*
|
|
* 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;
|
|
}
|
|
|
|
/*
|
|
* common functions
|
|
*/
|
|
static int set_infra_mode(struct usbnet *usbdev, int mode);
|
|
static void restore_keys(struct usbnet *usbdev);
|
|
static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
|
|
bool *matched);
|
|
|
|
static int rndis_start_bssid_list_scan(struct usbnet *usbdev)
|
|
{
|
|
__le32 tmp;
|
|
|
|
/* Note: RNDIS_OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */
|
|
tmp = cpu_to_le32(1);
|
|
return rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST_SCAN, &tmp,
|
|
sizeof(tmp));
|
|
}
|
|
|
|
static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
int ret;
|
|
|
|
ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_SSID,
|
|
ssid, sizeof(*ssid));
|
|
if (ret < 0) {
|
|
netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret);
|
|
return ret;
|
|
}
|
|
if (ret == 0) {
|
|
priv->radio_on = true;
|
|
netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int set_bssid(struct usbnet *usbdev, const u8 *bssid)
|
|
{
|
|
int ret;
|
|
|
|
ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID,
|
|
bssid, ETH_ALEN);
|
|
if (ret < 0) {
|
|
netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n",
|
|
bssid, ret);
|
|
return ret;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int clear_bssid(struct usbnet *usbdev)
|
|
{
|
|
static const u8 broadcast_mac[ETH_ALEN] = {
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff
|
|
};
|
|
|
|
return set_bssid(usbdev, broadcast_mac);
|
|
}
|
|
|
|
static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
|
|
{
|
|
int ret, len;
|
|
|
|
len = ETH_ALEN;
|
|
ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID,
|
|
bssid, &len);
|
|
|
|
if (ret != 0)
|
|
memset(bssid, 0, ETH_ALEN);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int get_association_info(struct usbnet *usbdev,
|
|
struct ndis_80211_assoc_info *info, int len)
|
|
{
|
|
return rndis_query_oid(usbdev,
|
|
RNDIS_OID_802_11_ASSOCIATION_INFORMATION,
|
|
info, &len);
|
|
}
|
|
|
|
static bool is_associated(struct usbnet *usbdev)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
u8 bssid[ETH_ALEN];
|
|
int ret;
|
|
|
|
if (!priv->radio_on)
|
|
return false;
|
|
|
|
ret = get_bssid(usbdev, bssid);
|
|
|
|
return (ret == 0 && !is_zero_ether_addr(bssid));
|
|
}
|
|
|
|
static int disassociate(struct usbnet *usbdev, bool reset_ssid)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct ndis_80211_ssid ssid;
|
|
int i, ret = 0;
|
|
|
|
if (priv->radio_on) {
|
|
ret = rndis_set_oid(usbdev,
|
|
RNDIS_OID_802_11_DISASSOCIATE,
|
|
NULL, 0);
|
|
if (ret == 0) {
|
|
priv->radio_on = false;
|
|
netdev_dbg(usbdev->net, "%s(): radio_on = false\n",
|
|
__func__);
|
|
|
|
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) {
|
|
/* Set device to infrastructure mode so we don't get ad-hoc
|
|
* 'media connect' indications with the random ssid.
|
|
*/
|
|
set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
|
|
|
|
ssid.length = cpu_to_le32(sizeof(ssid.essid));
|
|
get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
|
|
ssid.essid[0] = 0x1;
|
|
ssid.essid[1] = 0xff;
|
|
for (i = 2; i < sizeof(ssid.essid); i++)
|
|
ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
|
|
ret = set_essid(usbdev, &ssid);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
|
|
enum nl80211_auth_type auth_type, int keymgmt)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
__le32 tmp;
|
|
int auth_mode, ret;
|
|
|
|
netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n",
|
|
__func__, wpa_version, auth_type, keymgmt);
|
|
|
|
if (wpa_version & NL80211_WPA_VERSION_2) {
|
|
if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
|
|
auth_mode = NDIS_80211_AUTH_WPA2;
|
|
else
|
|
auth_mode = NDIS_80211_AUTH_WPA2_PSK;
|
|
} else if (wpa_version & NL80211_WPA_VERSION_1) {
|
|
if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
|
|
auth_mode = NDIS_80211_AUTH_WPA;
|
|
else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
|
|
auth_mode = NDIS_80211_AUTH_WPA_PSK;
|
|
else
|
|
auth_mode = NDIS_80211_AUTH_WPA_NONE;
|
|
} else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
|
|
auth_mode = NDIS_80211_AUTH_SHARED;
|
|
else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
|
|
auth_mode = NDIS_80211_AUTH_OPEN;
|
|
else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC)
|
|
auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
|
|
else
|
|
return -ENOTSUPP;
|
|
|
|
tmp = cpu_to_le32(auth_mode);
|
|
ret = rndis_set_oid(usbdev,
|
|
RNDIS_OID_802_11_AUTHENTICATION_MODE,
|
|
&tmp, sizeof(tmp));
|
|
if (ret != 0) {
|
|
netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
priv->wpa_version = wpa_version;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int set_priv_filter(struct usbnet *usbdev)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
__le32 tmp;
|
|
|
|
netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n",
|
|
__func__, priv->wpa_version);
|
|
|
|
if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
|
|
priv->wpa_version & NL80211_WPA_VERSION_1)
|
|
tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
|
|
else
|
|
tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
|
|
|
|
return rndis_set_oid(usbdev,
|
|
RNDIS_OID_802_11_PRIVACY_FILTER, &tmp,
|
|
sizeof(tmp));
|
|
}
|
|
|
|
static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
|
|
{
|
|
__le32 tmp;
|
|
int encr_mode, ret;
|
|
|
|
netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n",
|
|
__func__, pairwise, groupwise);
|
|
|
|
if (pairwise & RNDIS_WLAN_ALG_CCMP)
|
|
encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
|
|
else if (pairwise & RNDIS_WLAN_ALG_TKIP)
|
|
encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
|
|
else if (pairwise & RNDIS_WLAN_ALG_WEP)
|
|
encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
|
|
else if (groupwise & RNDIS_WLAN_ALG_CCMP)
|
|
encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
|
|
else if (groupwise & RNDIS_WLAN_ALG_TKIP)
|
|
encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
|
|
else
|
|
encr_mode = NDIS_80211_ENCR_DISABLED;
|
|
|
|
tmp = cpu_to_le32(encr_mode);
|
|
ret = rndis_set_oid(usbdev,
|
|
RNDIS_OID_802_11_ENCRYPTION_STATUS, &tmp,
|
|
sizeof(tmp));
|
|
if (ret != 0) {
|
|
netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int set_infra_mode(struct usbnet *usbdev, int mode)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
__le32 tmp;
|
|
int ret;
|
|
|
|
netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n",
|
|
__func__, priv->infra_mode);
|
|
|
|
tmp = cpu_to_le32(mode);
|
|
ret = rndis_set_oid(usbdev,
|
|
RNDIS_OID_802_11_INFRASTRUCTURE_MODE,
|
|
&tmp, sizeof(tmp));
|
|
if (ret != 0) {
|
|
netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
/* NDIS drivers clear keys when infrastructure mode is
|
|
* changed. But Linux tools assume otherwise. So set the
|
|
* keys */
|
|
restore_keys(usbdev);
|
|
|
|
priv->infra_mode = mode;
|
|
return 0;
|
|
}
|
|
|
|
static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
|
|
{
|
|
__le32 tmp;
|
|
|
|
netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
|
|
|
|
if (rts_threshold < 0 || rts_threshold > 2347)
|
|
rts_threshold = 2347;
|
|
|
|
tmp = cpu_to_le32(rts_threshold);
|
|
return rndis_set_oid(usbdev,
|
|
RNDIS_OID_802_11_RTS_THRESHOLD,
|
|
&tmp, sizeof(tmp));
|
|
}
|
|
|
|
static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
|
|
{
|
|
__le32 tmp;
|
|
|
|
netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold);
|
|
|
|
if (frag_threshold < 256 || frag_threshold > 2346)
|
|
frag_threshold = 2346;
|
|
|
|
tmp = cpu_to_le32(frag_threshold);
|
|
return rndis_set_oid(usbdev,
|
|
RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD,
|
|
&tmp, sizeof(tmp));
|
|
}
|
|
|
|
static void set_default_iw_params(struct usbnet *usbdev)
|
|
{
|
|
set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
|
|
set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
|
|
RNDIS_WLAN_KEY_MGMT_NONE);
|
|
set_priv_filter(usbdev);
|
|
set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
|
|
}
|
|
|
|
static int deauthenticate(struct usbnet *usbdev)
|
|
{
|
|
int ret;
|
|
|
|
ret = disassociate(usbdev, true);
|
|
set_default_iw_params(usbdev);
|
|
return ret;
|
|
}
|
|
|
|
static int set_channel(struct usbnet *usbdev, int channel)
|
|
{
|
|
struct ndis_80211_conf config;
|
|
unsigned int dsconfig;
|
|
int len, ret;
|
|
|
|
netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel);
|
|
|
|
/* this OID is valid only when not associated */
|
|
if (is_associated(usbdev))
|
|
return 0;
|
|
|
|
dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
|
|
|
|
len = sizeof(config);
|
|
ret = rndis_query_oid(usbdev,
|
|
RNDIS_OID_802_11_CONFIGURATION,
|
|
&config, &len);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "%s(): querying configuration failed\n",
|
|
__func__);
|
|
return ret;
|
|
}
|
|
|
|
config.ds_config = cpu_to_le32(dsconfig);
|
|
ret = rndis_set_oid(usbdev,
|
|
RNDIS_OID_802_11_CONFIGURATION,
|
|
&config, sizeof(config));
|
|
|
|
netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static struct ieee80211_channel *get_current_channel(struct usbnet *usbdev,
|
|
u32 *beacon_period)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct ieee80211_channel *channel;
|
|
struct ndis_80211_conf config;
|
|
int len, ret;
|
|
|
|
/* Get channel and beacon interval */
|
|
len = sizeof(config);
|
|
ret = rndis_query_oid(usbdev,
|
|
RNDIS_OID_802_11_CONFIGURATION,
|
|
&config, &len);
|
|
netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_CONFIGURATION -> %d\n",
|
|
__func__, ret);
|
|
if (ret < 0)
|
|
return NULL;
|
|
|
|
channel = ieee80211_get_channel(priv->wdev.wiphy,
|
|
KHZ_TO_MHZ(le32_to_cpu(config.ds_config)));
|
|
if (!channel)
|
|
return NULL;
|
|
|
|
if (beacon_period)
|
|
*beacon_period = le32_to_cpu(config.beacon_period);
|
|
return channel;
|
|
}
|
|
|
|
/* index must be 0 - N, as per NDIS */
|
|
static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
|
|
u8 index)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct ndis_80211_wep_key ndis_key;
|
|
u32 cipher;
|
|
int ret;
|
|
|
|
netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n",
|
|
__func__, index, key_len);
|
|
|
|
if (index >= RNDIS_WLAN_NUM_KEYS)
|
|
return -EINVAL;
|
|
|
|
if (key_len == 5)
|
|
cipher = WLAN_CIPHER_SUITE_WEP40;
|
|
else if (key_len == 13)
|
|
cipher = WLAN_CIPHER_SUITE_WEP104;
|
|
else
|
|
return -EINVAL;
|
|
|
|
memset(&ndis_key, 0, sizeof(ndis_key));
|
|
|
|
ndis_key.size = cpu_to_le32(sizeof(ndis_key));
|
|
ndis_key.length = cpu_to_le32(key_len);
|
|
ndis_key.index = cpu_to_le32(index);
|
|
memcpy(&ndis_key.material, key, key_len);
|
|
|
|
if (index == priv->encr_tx_key_index) {
|
|
ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
|
|
ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
|
|
RNDIS_WLAN_ALG_NONE);
|
|
if (ret)
|
|
netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n",
|
|
ret);
|
|
}
|
|
|
|
ret = rndis_set_oid(usbdev,
|
|
RNDIS_OID_802_11_ADD_WEP, &ndis_key,
|
|
sizeof(ndis_key));
|
|
if (ret != 0) {
|
|
netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n",
|
|
index + 1, ret);
|
|
return ret;
|
|
}
|
|
|
|
priv->encr_keys[index].len = key_len;
|
|
priv->encr_keys[index].cipher = cipher;
|
|
memcpy(&priv->encr_keys[index].material, key, key_len);
|
|
memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
|
|
u8 index, const u8 *addr, const u8 *rx_seq,
|
|
int seq_len, u32 cipher, __le32 flags)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct ndis_80211_key ndis_key;
|
|
bool is_addr_ok;
|
|
int ret;
|
|
|
|
if (index >= RNDIS_WLAN_NUM_KEYS) {
|
|
netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n",
|
|
__func__, index);
|
|
return -EINVAL;
|
|
}
|
|
if (key_len > sizeof(ndis_key.material) || key_len < 0) {
|
|
netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n",
|
|
__func__, key_len);
|
|
return -EINVAL;
|
|
}
|
|
if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
|
|
if (!rx_seq || seq_len <= 0) {
|
|
netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n",
|
|
__func__);
|
|
return -EINVAL;
|
|
}
|
|
if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
|
|
netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
is_addr_ok = addr && !is_zero_ether_addr(addr) &&
|
|
!is_broadcast_ether_addr(addr);
|
|
if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
|
|
netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n",
|
|
__func__, addr);
|
|
return -EINVAL;
|
|
}
|
|
|
|
netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n",
|
|
__func__, index,
|
|
!!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
|
|
!!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
|
|
!!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
|
|
|
|
memset(&ndis_key, 0, sizeof(ndis_key));
|
|
|
|
ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
|
|
sizeof(ndis_key.material) + key_len);
|
|
ndis_key.length = cpu_to_le32(key_len);
|
|
ndis_key.index = cpu_to_le32(index) | flags;
|
|
|
|
if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
|
|
/* wpa_supplicant gives us the Michael MIC RX/TX keys in
|
|
* different order than NDIS spec, so swap the order here. */
|
|
memcpy(ndis_key.material, key, 16);
|
|
memcpy(ndis_key.material + 16, key + 24, 8);
|
|
memcpy(ndis_key.material + 24, key + 16, 8);
|
|
} else
|
|
memcpy(ndis_key.material, key, key_len);
|
|
|
|
if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
|
|
memcpy(ndis_key.rsc, rx_seq, seq_len);
|
|
|
|
if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
|
|
/* pairwise key */
|
|
memcpy(ndis_key.bssid, addr, ETH_ALEN);
|
|
} else {
|
|
/* group key */
|
|
if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
|
|
memset(ndis_key.bssid, 0xff, ETH_ALEN);
|
|
else
|
|
get_bssid(usbdev, ndis_key.bssid);
|
|
}
|
|
|
|
ret = rndis_set_oid(usbdev,
|
|
RNDIS_OID_802_11_ADD_KEY, &ndis_key,
|
|
le32_to_cpu(ndis_key.size));
|
|
netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_ADD_KEY -> %08X\n",
|
|
__func__, ret);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
|
|
priv->encr_keys[index].len = key_len;
|
|
priv->encr_keys[index].cipher = cipher;
|
|
memcpy(&priv->encr_keys[index].material, key, key_len);
|
|
if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
|
|
memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
|
|
else
|
|
memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
|
|
|
|
if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
|
|
priv->encr_tx_key_index = index;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int restore_key(struct usbnet *usbdev, u8 key_idx)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct rndis_wlan_encr_key key;
|
|
|
|
if (is_wpa_key(priv, key_idx))
|
|
return 0;
|
|
|
|
key = priv->encr_keys[key_idx];
|
|
|
|
netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len);
|
|
|
|
if (key.len == 0)
|
|
return 0;
|
|
|
|
return add_wep_key(usbdev, key.material, key.len, key_idx);
|
|
}
|
|
|
|
static void restore_keys(struct usbnet *usbdev)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 4; i++)
|
|
restore_key(usbdev, i);
|
|
}
|
|
|
|
static void clear_key(struct rndis_wlan_private *priv, u8 idx)
|
|
{
|
|
memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
|
|
}
|
|
|
|
/* remove_key is for both wep and wpa */
|
|
static int remove_key(struct usbnet *usbdev, u8 index, const u8 *bssid)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct ndis_80211_remove_key remove_key;
|
|
__le32 keyindex;
|
|
bool is_wpa;
|
|
int ret;
|
|
|
|
if (index >= RNDIS_WLAN_NUM_KEYS)
|
|
return -ENOENT;
|
|
|
|
if (priv->encr_keys[index].len == 0)
|
|
return 0;
|
|
|
|
is_wpa = is_wpa_key(priv, index);
|
|
|
|
netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n",
|
|
__func__, index, is_wpa ? "wpa" : "wep",
|
|
priv->encr_keys[index].len);
|
|
|
|
clear_key(priv, index);
|
|
|
|
if (is_wpa) {
|
|
remove_key.size = cpu_to_le32(sizeof(remove_key));
|
|
remove_key.index = cpu_to_le32(index);
|
|
if (bssid) {
|
|
/* pairwise key */
|
|
if (!is_broadcast_ether_addr(bssid))
|
|
remove_key.index |=
|
|
NDIS_80211_ADDKEY_PAIRWISE_KEY;
|
|
memcpy(remove_key.bssid, bssid,
|
|
sizeof(remove_key.bssid));
|
|
} else
|
|
memset(remove_key.bssid, 0xff,
|
|
sizeof(remove_key.bssid));
|
|
|
|
ret = rndis_set_oid(usbdev,
|
|
RNDIS_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,
|
|
RNDIS_OID_802_11_REMOVE_WEP,
|
|
&keyindex, sizeof(keyindex));
|
|
if (ret != 0) {
|
|
netdev_warn(usbdev->net,
|
|
"removing encryption key %d failed (%08X)\n",
|
|
index, ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
/* if it is transmit key, disable encryption */
|
|
if (index == priv->encr_tx_key_index)
|
|
set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void set_multicast_list(struct usbnet *usbdev)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct netdev_hw_addr *ha;
|
|
__le32 filter, basefilter;
|
|
int ret;
|
|
char *mc_addrs = NULL;
|
|
int mc_count;
|
|
|
|
basefilter = filter = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED |
|
|
RNDIS_PACKET_TYPE_BROADCAST);
|
|
|
|
if (usbdev->net->flags & IFF_PROMISC) {
|
|
filter |= cpu_to_le32(RNDIS_PACKET_TYPE_PROMISCUOUS |
|
|
RNDIS_PACKET_TYPE_ALL_LOCAL);
|
|
} else if (usbdev->net->flags & IFF_ALLMULTI) {
|
|
filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST);
|
|
}
|
|
|
|
if (filter != basefilter)
|
|
goto set_filter;
|
|
|
|
/*
|
|
* mc_list should be accessed holding the lock, so copy addresses to
|
|
* local buffer first.
|
|
*/
|
|
netif_addr_lock_bh(usbdev->net);
|
|
mc_count = netdev_mc_count(usbdev->net);
|
|
if (mc_count > priv->multicast_size) {
|
|
filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST);
|
|
} else if (mc_count) {
|
|
int i = 0;
|
|
|
|
mc_addrs = kmalloc_array(mc_count, ETH_ALEN, GFP_ATOMIC);
|
|
if (!mc_addrs) {
|
|
netif_addr_unlock_bh(usbdev->net);
|
|
return;
|
|
}
|
|
|
|
netdev_for_each_mc_addr(ha, usbdev->net)
|
|
memcpy(mc_addrs + i++ * ETH_ALEN,
|
|
mc_addr(ha), ETH_ALEN);
|
|
}
|
|
netif_addr_unlock_bh(usbdev->net);
|
|
|
|
if (filter != basefilter)
|
|
goto set_filter;
|
|
|
|
if (mc_count) {
|
|
ret = rndis_set_oid(usbdev,
|
|
RNDIS_OID_802_3_MULTICAST_LIST,
|
|
mc_addrs, mc_count * ETH_ALEN);
|
|
kfree(mc_addrs);
|
|
if (ret == 0)
|
|
filter |= cpu_to_le32(RNDIS_PACKET_TYPE_MULTICAST);
|
|
else
|
|
filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST);
|
|
|
|
netdev_dbg(usbdev->net, "RNDIS_OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
|
|
mc_count, priv->multicast_size, ret);
|
|
}
|
|
|
|
set_filter:
|
|
ret = rndis_set_oid(usbdev, RNDIS_OID_GEN_CURRENT_PACKET_FILTER, &filter,
|
|
sizeof(filter));
|
|
if (ret < 0) {
|
|
netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n",
|
|
le32_to_cpu(filter));
|
|
}
|
|
|
|
netdev_dbg(usbdev->net, "RNDIS_OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n",
|
|
le32_to_cpu(filter), ret);
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
static void debug_print_pmkids(struct usbnet *usbdev,
|
|
struct ndis_80211_pmkid *pmkids,
|
|
const char *func_str)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
int i, len, count, max_pmkids, entry_len;
|
|
|
|
max_pmkids = priv->wdev.wiphy->max_num_pmkids;
|
|
len = le32_to_cpu(pmkids->length);
|
|
count = le32_to_cpu(pmkids->bssid_info_count);
|
|
|
|
entry_len = (count > 0) ? (len - sizeof(*pmkids)) / count : -1;
|
|
|
|
netdev_dbg(usbdev->net, "%s(): %d PMKIDs (data len: %d, entry len: "
|
|
"%d)\n", func_str, count, len, entry_len);
|
|
|
|
if (count > max_pmkids)
|
|
count = max_pmkids;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
u32 *tmp = (u32 *)pmkids->bssid_info[i].pmkid;
|
|
|
|
netdev_dbg(usbdev->net, "%s(): bssid: %pM, "
|
|
"pmkid: %08X:%08X:%08X:%08X\n",
|
|
func_str, pmkids->bssid_info[i].bssid,
|
|
cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
|
|
cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
|
|
}
|
|
}
|
|
#else
|
|
static void debug_print_pmkids(struct usbnet *usbdev,
|
|
struct ndis_80211_pmkid *pmkids,
|
|
const char *func_str)
|
|
{
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
static struct ndis_80211_pmkid *get_device_pmkids(struct usbnet *usbdev)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct ndis_80211_pmkid *pmkids;
|
|
int len, ret, max_pmkids;
|
|
|
|
max_pmkids = priv->wdev.wiphy->max_num_pmkids;
|
|
len = sizeof(*pmkids) + max_pmkids * sizeof(pmkids->bssid_info[0]);
|
|
|
|
pmkids = kzalloc(len, GFP_KERNEL);
|
|
if (!pmkids)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
pmkids->length = cpu_to_le32(len);
|
|
pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
|
|
|
|
ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_PMKID,
|
|
pmkids, &len);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_PMKID(%d, %d)"
|
|
" -> %d\n", __func__, len, max_pmkids, ret);
|
|
|
|
kfree(pmkids);
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
if (le32_to_cpu(pmkids->bssid_info_count) > max_pmkids)
|
|
pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
|
|
|
|
debug_print_pmkids(usbdev, pmkids, __func__);
|
|
|
|
return pmkids;
|
|
}
|
|
|
|
static int set_device_pmkids(struct usbnet *usbdev,
|
|
struct ndis_80211_pmkid *pmkids)
|
|
{
|
|
int ret, len, num_pmkids;
|
|
|
|
num_pmkids = le32_to_cpu(pmkids->bssid_info_count);
|
|
len = sizeof(*pmkids) + num_pmkids * sizeof(pmkids->bssid_info[0]);
|
|
pmkids->length = cpu_to_le32(len);
|
|
|
|
debug_print_pmkids(usbdev, pmkids, __func__);
|
|
|
|
ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_PMKID, pmkids,
|
|
le32_to_cpu(pmkids->length));
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_PMKID(%d, %d) -> %d"
|
|
"\n", __func__, len, num_pmkids, ret);
|
|
}
|
|
|
|
kfree(pmkids);
|
|
return ret;
|
|
}
|
|
|
|
static struct ndis_80211_pmkid *remove_pmkid(struct usbnet *usbdev,
|
|
struct ndis_80211_pmkid *pmkids,
|
|
struct cfg80211_pmksa *pmksa,
|
|
int max_pmkids)
|
|
{
|
|
int i, newlen, err;
|
|
unsigned int count;
|
|
|
|
count = le32_to_cpu(pmkids->bssid_info_count);
|
|
|
|
if (count > max_pmkids)
|
|
count = max_pmkids;
|
|
|
|
for (i = 0; i < count; i++)
|
|
if (ether_addr_equal(pmkids->bssid_info[i].bssid,
|
|
pmksa->bssid))
|
|
break;
|
|
|
|
/* pmkid not found */
|
|
if (i == count) {
|
|
netdev_dbg(usbdev->net, "%s(): bssid not found (%pM)\n",
|
|
__func__, pmksa->bssid);
|
|
err = -ENOENT;
|
|
goto error;
|
|
}
|
|
|
|
for (; i + 1 < count; i++)
|
|
pmkids->bssid_info[i] = pmkids->bssid_info[i + 1];
|
|
|
|
count--;
|
|
newlen = sizeof(*pmkids) + count * sizeof(pmkids->bssid_info[0]);
|
|
|
|
pmkids->length = cpu_to_le32(newlen);
|
|
pmkids->bssid_info_count = cpu_to_le32(count);
|
|
|
|
return pmkids;
|
|
error:
|
|
kfree(pmkids);
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
static struct ndis_80211_pmkid *update_pmkid(struct usbnet *usbdev,
|
|
struct ndis_80211_pmkid *pmkids,
|
|
struct cfg80211_pmksa *pmksa,
|
|
int max_pmkids)
|
|
{
|
|
struct ndis_80211_pmkid *new_pmkids;
|
|
int i, err, newlen;
|
|
unsigned int count;
|
|
|
|
count = le32_to_cpu(pmkids->bssid_info_count);
|
|
|
|
if (count > max_pmkids)
|
|
count = max_pmkids;
|
|
|
|
/* update with new pmkid */
|
|
for (i = 0; i < count; i++) {
|
|
if (!ether_addr_equal(pmkids->bssid_info[i].bssid,
|
|
pmksa->bssid))
|
|
continue;
|
|
|
|
memcpy(pmkids->bssid_info[i].pmkid, pmksa->pmkid,
|
|
WLAN_PMKID_LEN);
|
|
|
|
return pmkids;
|
|
}
|
|
|
|
/* out of space, return error */
|
|
if (i == max_pmkids) {
|
|
netdev_dbg(usbdev->net, "%s(): out of space\n", __func__);
|
|
err = -ENOSPC;
|
|
goto error;
|
|
}
|
|
|
|
/* add new pmkid */
|
|
newlen = sizeof(*pmkids) + (count + 1) * sizeof(pmkids->bssid_info[0]);
|
|
|
|
new_pmkids = krealloc(pmkids, newlen, GFP_KERNEL);
|
|
if (!new_pmkids) {
|
|
err = -ENOMEM;
|
|
goto error;
|
|
}
|
|
pmkids = new_pmkids;
|
|
|
|
pmkids->length = cpu_to_le32(newlen);
|
|
pmkids->bssid_info_count = cpu_to_le32(count + 1);
|
|
|
|
memcpy(pmkids->bssid_info[count].bssid, pmksa->bssid, ETH_ALEN);
|
|
memcpy(pmkids->bssid_info[count].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
|
|
|
|
return pmkids;
|
|
error:
|
|
kfree(pmkids);
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
/*
|
|
* cfg80211 ops
|
|
*/
|
|
static int rndis_change_virtual_intf(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
enum nl80211_iftype type, u32 *flags,
|
|
struct vif_params *params)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
int mode;
|
|
|
|
switch (type) {
|
|
case NL80211_IFTYPE_ADHOC:
|
|
mode = NDIS_80211_INFRA_ADHOC;
|
|
break;
|
|
case NL80211_IFTYPE_STATION:
|
|
mode = NDIS_80211_INFRA_INFRA;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
priv->wdev.iftype = type;
|
|
|
|
return set_infra_mode(usbdev, mode);
|
|
}
|
|
|
|
static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
int err;
|
|
|
|
if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
|
|
err = set_frag_threshold(usbdev, wiphy->frag_threshold);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
|
|
if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
|
|
err = set_rts_threshold(usbdev, wiphy->rts_threshold);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rndis_set_tx_power(struct wiphy *wiphy,
|
|
struct wireless_dev *wdev,
|
|
enum nl80211_tx_power_setting type,
|
|
int mbm)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
|
|
netdev_dbg(usbdev->net, "%s(): type:0x%x mbm:%i\n",
|
|
__func__, type, mbm);
|
|
|
|
if (mbm < 0 || (mbm % 100))
|
|
return -ENOTSUPP;
|
|
|
|
/* Device doesn't support changing txpower after initialization, only
|
|
* turn off/on radio. Support 'auto' mode and setting same dBm that is
|
|
* currently used.
|
|
*/
|
|
if (type == NL80211_TX_POWER_AUTOMATIC ||
|
|
MBM_TO_DBM(mbm) == get_bcm4320_power_dbm(priv)) {
|
|
if (!priv->radio_on)
|
|
disassociate(usbdev, true); /* turn on radio */
|
|
|
|
return 0;
|
|
}
|
|
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
static int rndis_get_tx_power(struct wiphy *wiphy,
|
|
struct wireless_dev *wdev,
|
|
int *dbm)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
|
|
*dbm = get_bcm4320_power_dbm(priv);
|
|
|
|
netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define SCAN_DELAY_JIFFIES (6 * HZ)
|
|
static int rndis_scan(struct wiphy *wiphy,
|
|
struct cfg80211_scan_request *request)
|
|
{
|
|
struct net_device *dev = request->wdev->netdev;
|
|
struct usbnet *usbdev = netdev_priv(dev);
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
int ret;
|
|
int delay = SCAN_DELAY_JIFFIES;
|
|
|
|
netdev_dbg(usbdev->net, "cfg80211.scan\n");
|
|
|
|
/* Get current bssid list from device before new scan, as new scan
|
|
* clears internal bssid list.
|
|
*/
|
|
rndis_check_bssid_list(usbdev, NULL, NULL);
|
|
|
|
if (priv->scan_request && priv->scan_request != request)
|
|
return -EBUSY;
|
|
|
|
priv->scan_request = request;
|
|
|
|
ret = rndis_start_bssid_list_scan(usbdev);
|
|
if (ret == 0) {
|
|
if (priv->device_type == RNDIS_BCM4320A)
|
|
delay = HZ;
|
|
|
|
/* Wait before retrieving scan results from device */
|
|
queue_delayed_work(priv->workqueue, &priv->scan_work, delay);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static bool rndis_bss_info_update(struct usbnet *usbdev,
|
|
struct ndis_80211_bssid_ex *bssid)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct ieee80211_channel *channel;
|
|
struct cfg80211_bss *bss;
|
|
s32 signal;
|
|
u64 timestamp;
|
|
u16 capability;
|
|
u16 beacon_interval;
|
|
struct ndis_80211_fixed_ies *fixed;
|
|
int ie_len, bssid_len;
|
|
u8 *ie;
|
|
|
|
netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM], len: %d\n",
|
|
bssid->ssid.essid, bssid->mac, le32_to_cpu(bssid->length));
|
|
|
|
/* parse bssid structure */
|
|
bssid_len = le32_to_cpu(bssid->length);
|
|
|
|
if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
|
|
sizeof(struct ndis_80211_fixed_ies))
|
|
return NULL;
|
|
|
|
fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
|
|
|
|
ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
|
|
ie_len = min(bssid_len - (int)sizeof(*bssid),
|
|
(int)le32_to_cpu(bssid->ie_length));
|
|
ie_len -= sizeof(struct ndis_80211_fixed_ies);
|
|
if (ie_len < 0)
|
|
return NULL;
|
|
|
|
/* extract data for cfg80211_inform_bss */
|
|
channel = ieee80211_get_channel(priv->wdev.wiphy,
|
|
KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
|
|
if (!channel)
|
|
return NULL;
|
|
|
|
signal = level_to_qual(le32_to_cpu(bssid->rssi));
|
|
timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
|
|
capability = le16_to_cpu(fixed->capabilities);
|
|
beacon_interval = le16_to_cpu(fixed->beacon_interval);
|
|
|
|
bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
|
|
timestamp, capability, beacon_interval, ie, ie_len, signal,
|
|
GFP_KERNEL);
|
|
cfg80211_put_bss(priv->wdev.wiphy, bss);
|
|
|
|
return (bss != NULL);
|
|
}
|
|
|
|
static struct ndis_80211_bssid_ex *next_bssid_list_item(
|
|
struct ndis_80211_bssid_ex *bssid,
|
|
int *bssid_len, void *buf, int len)
|
|
{
|
|
void *buf_end, *bssid_end;
|
|
|
|
buf_end = (char *)buf + len;
|
|
bssid_end = (char *)bssid + *bssid_len;
|
|
|
|
if ((int)(buf_end - bssid_end) < sizeof(bssid->length)) {
|
|
*bssid_len = 0;
|
|
return NULL;
|
|
} else {
|
|
bssid = (void *)((char *)bssid + *bssid_len);
|
|
*bssid_len = le32_to_cpu(bssid->length);
|
|
return bssid;
|
|
}
|
|
}
|
|
|
|
static bool check_bssid_list_item(struct ndis_80211_bssid_ex *bssid,
|
|
int bssid_len, void *buf, int len)
|
|
{
|
|
void *buf_end, *bssid_end;
|
|
|
|
if (!bssid || bssid_len <= 0 || bssid_len > len)
|
|
return false;
|
|
|
|
buf_end = (char *)buf + len;
|
|
bssid_end = (char *)bssid + bssid_len;
|
|
|
|
return (int)(buf_end - bssid_end) >= 0 && (int)(bssid_end - buf) >= 0;
|
|
}
|
|
|
|
static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
|
|
bool *matched)
|
|
{
|
|
void *buf = NULL;
|
|
struct ndis_80211_bssid_list_ex *bssid_list;
|
|
struct ndis_80211_bssid_ex *bssid;
|
|
int ret = -EINVAL, len, count, bssid_len, real_count, new_len;
|
|
|
|
netdev_dbg(usbdev->net, "%s()\n", __func__);
|
|
|
|
len = CONTROL_BUFFER_SIZE;
|
|
resize_buf:
|
|
buf = kzalloc(len, GFP_KERNEL);
|
|
if (!buf) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
/* BSSID-list might have got bigger last time we checked, keep
|
|
* resizing until it won't get any bigger.
|
|
*/
|
|
new_len = len;
|
|
ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST,
|
|
buf, &new_len);
|
|
if (ret != 0 || new_len < sizeof(struct ndis_80211_bssid_list_ex))
|
|
goto out;
|
|
|
|
if (new_len > len) {
|
|
len = new_len;
|
|
kfree(buf);
|
|
goto resize_buf;
|
|
}
|
|
|
|
len = new_len;
|
|
|
|
bssid_list = buf;
|
|
count = le32_to_cpu(bssid_list->num_items);
|
|
real_count = 0;
|
|
netdev_dbg(usbdev->net, "%s(): buflen: %d\n", __func__, len);
|
|
|
|
bssid_len = 0;
|
|
bssid = next_bssid_list_item(bssid_list->bssid, &bssid_len, buf, len);
|
|
|
|
/* Device returns incorrect 'num_items'. Workaround by ignoring the
|
|
* received 'num_items' and walking through full bssid buffer instead.
|
|
*/
|
|
while (check_bssid_list_item(bssid, bssid_len, buf, len)) {
|
|
if (rndis_bss_info_update(usbdev, bssid) && match_bssid &&
|
|
matched) {
|
|
if (ether_addr_equal(bssid->mac, match_bssid))
|
|
*matched = true;
|
|
}
|
|
|
|
real_count++;
|
|
bssid = next_bssid_list_item(bssid, &bssid_len, buf, len);
|
|
}
|
|
|
|
netdev_dbg(usbdev->net, "%s(): num_items from device: %d, really found:"
|
|
" %d\n", __func__, count, real_count);
|
|
|
|
out:
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
static void rndis_get_scan_results(struct work_struct *work)
|
|
{
|
|
struct rndis_wlan_private *priv =
|
|
container_of(work, struct rndis_wlan_private, scan_work.work);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
int ret;
|
|
|
|
netdev_dbg(usbdev->net, "get_scan_results\n");
|
|
|
|
if (!priv->scan_request)
|
|
return;
|
|
|
|
ret = rndis_check_bssid_list(usbdev, NULL, NULL);
|
|
|
|
cfg80211_scan_done(priv->scan_request, ret < 0);
|
|
|
|
priv->scan_request = NULL;
|
|
}
|
|
|
|
static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_connect_params *sme)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
struct ieee80211_channel *channel = sme->channel;
|
|
struct ndis_80211_ssid ssid;
|
|
int pairwise = RNDIS_WLAN_ALG_NONE;
|
|
int groupwise = RNDIS_WLAN_ALG_NONE;
|
|
int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
|
|
int length, i, ret, chan = -1;
|
|
|
|
if (channel)
|
|
chan = ieee80211_frequency_to_channel(channel->center_freq);
|
|
|
|
groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
|
|
for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
|
|
pairwise |=
|
|
rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
|
|
|
|
if (sme->crypto.n_ciphers_pairwise > 0 &&
|
|
pairwise == RNDIS_WLAN_ALG_NONE) {
|
|
netdev_err(usbdev->net, "Unsupported pairwise cipher\n");
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
for (i = 0; i < sme->crypto.n_akm_suites; i++)
|
|
keymgmt |=
|
|
rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
|
|
|
|
if (sme->crypto.n_akm_suites > 0 &&
|
|
keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
|
|
netdev_err(usbdev->net, "Invalid keymgmt\n");
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n",
|
|
sme->ssid, sme->bssid, chan,
|
|
sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
|
|
groupwise, pairwise, keymgmt);
|
|
|
|
if (is_associated(usbdev))
|
|
disassociate(usbdev, false);
|
|
|
|
ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n",
|
|
ret);
|
|
goto err_turn_radio_on;
|
|
}
|
|
|
|
ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
|
|
keymgmt);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n",
|
|
ret);
|
|
goto err_turn_radio_on;
|
|
}
|
|
|
|
set_priv_filter(usbdev);
|
|
|
|
ret = set_encr_mode(usbdev, pairwise, groupwise);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n",
|
|
ret);
|
|
goto err_turn_radio_on;
|
|
}
|
|
|
|
if (channel) {
|
|
ret = set_channel(usbdev, chan);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n",
|
|
ret);
|
|
goto err_turn_radio_on;
|
|
}
|
|
}
|
|
|
|
if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
|
|
priv->encr_tx_key_index = sme->key_idx;
|
|
ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n",
|
|
ret, sme->key_len, sme->key_idx);
|
|
goto err_turn_radio_on;
|
|
}
|
|
}
|
|
|
|
if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
|
|
!is_broadcast_ether_addr(sme->bssid)) {
|
|
ret = set_bssid(usbdev, sme->bssid);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n",
|
|
ret);
|
|
goto err_turn_radio_on;
|
|
}
|
|
} else
|
|
clear_bssid(usbdev);
|
|
|
|
length = sme->ssid_len;
|
|
if (length > NDIS_802_11_LENGTH_SSID)
|
|
length = NDIS_802_11_LENGTH_SSID;
|
|
|
|
memset(&ssid, 0, sizeof(ssid));
|
|
ssid.length = cpu_to_le32(length);
|
|
memcpy(ssid.essid, sme->ssid, length);
|
|
|
|
/* Pause and purge rx queue, so we don't pass packets before
|
|
* 'media connect'-indication.
|
|
*/
|
|
usbnet_pause_rx(usbdev);
|
|
usbnet_purge_paused_rxq(usbdev);
|
|
|
|
ret = set_essid(usbdev, &ssid);
|
|
if (ret < 0)
|
|
netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret);
|
|
return ret;
|
|
|
|
err_turn_radio_on:
|
|
disassociate(usbdev, true);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
|
|
u16 reason_code)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
|
|
netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code);
|
|
|
|
priv->connected = false;
|
|
memset(priv->bssid, 0, ETH_ALEN);
|
|
|
|
return deauthenticate(usbdev);
|
|
}
|
|
|
|
static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_ibss_params *params)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
struct ieee80211_channel *channel = params->chandef.chan;
|
|
struct ndis_80211_ssid ssid;
|
|
enum nl80211_auth_type auth_type;
|
|
int ret, alg, length, chan = -1;
|
|
|
|
if (channel)
|
|
chan = ieee80211_frequency_to_channel(channel->center_freq);
|
|
|
|
/* TODO: How to handle ad-hoc encryption?
|
|
* connect() has *key, join_ibss() doesn't. RNDIS requires key to be
|
|
* pre-shared for encryption (open/shared/wpa), is key set before
|
|
* join_ibss? Which auth_type to use (not in params)? What about WPA?
|
|
*/
|
|
if (params->privacy) {
|
|
auth_type = NL80211_AUTHTYPE_SHARED_KEY;
|
|
alg = RNDIS_WLAN_ALG_WEP;
|
|
} else {
|
|
auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
|
|
alg = RNDIS_WLAN_ALG_NONE;
|
|
}
|
|
|
|
netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n",
|
|
params->ssid, params->bssid, chan, params->privacy);
|
|
|
|
if (is_associated(usbdev))
|
|
disassociate(usbdev, false);
|
|
|
|
ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n",
|
|
ret);
|
|
goto err_turn_radio_on;
|
|
}
|
|
|
|
ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n",
|
|
ret);
|
|
goto err_turn_radio_on;
|
|
}
|
|
|
|
set_priv_filter(usbdev);
|
|
|
|
ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n",
|
|
ret);
|
|
goto err_turn_radio_on;
|
|
}
|
|
|
|
if (channel) {
|
|
ret = set_channel(usbdev, chan);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n",
|
|
ret);
|
|
goto err_turn_radio_on;
|
|
}
|
|
}
|
|
|
|
if (params->bssid && !is_zero_ether_addr(params->bssid) &&
|
|
!is_broadcast_ether_addr(params->bssid)) {
|
|
ret = set_bssid(usbdev, params->bssid);
|
|
if (ret < 0) {
|
|
netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n",
|
|
ret);
|
|
goto err_turn_radio_on;
|
|
}
|
|
} else
|
|
clear_bssid(usbdev);
|
|
|
|
length = params->ssid_len;
|
|
if (length > NDIS_802_11_LENGTH_SSID)
|
|
length = NDIS_802_11_LENGTH_SSID;
|
|
|
|
memset(&ssid, 0, sizeof(ssid));
|
|
ssid.length = cpu_to_le32(length);
|
|
memcpy(ssid.essid, params->ssid, length);
|
|
|
|
/* Don't need to pause rx queue for ad-hoc. */
|
|
usbnet_purge_paused_rxq(usbdev);
|
|
usbnet_resume_rx(usbdev);
|
|
|
|
ret = set_essid(usbdev, &ssid);
|
|
if (ret < 0)
|
|
netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n",
|
|
ret);
|
|
return ret;
|
|
|
|
err_turn_radio_on:
|
|
disassociate(usbdev, true);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
|
|
netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n");
|
|
|
|
priv->connected = false;
|
|
memset(priv->bssid, 0, ETH_ALEN);
|
|
|
|
return deauthenticate(usbdev);
|
|
}
|
|
|
|
static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
|
|
u8 key_index, bool pairwise, const u8 *mac_addr,
|
|
struct key_params *params)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
__le32 flags;
|
|
|
|
netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n",
|
|
__func__, key_index, mac_addr, params->cipher);
|
|
|
|
switch (params->cipher) {
|
|
case WLAN_CIPHER_SUITE_WEP40:
|
|
case WLAN_CIPHER_SUITE_WEP104:
|
|
return add_wep_key(usbdev, params->key, params->key_len,
|
|
key_index);
|
|
case WLAN_CIPHER_SUITE_TKIP:
|
|
case WLAN_CIPHER_SUITE_CCMP:
|
|
flags = 0;
|
|
|
|
if (params->seq && params->seq_len > 0)
|
|
flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
|
|
if (mac_addr)
|
|
flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
|
|
NDIS_80211_ADDKEY_TRANSMIT_KEY;
|
|
|
|
return add_wpa_key(usbdev, params->key, params->key_len,
|
|
key_index, mac_addr, params->seq,
|
|
params->seq_len, params->cipher, flags);
|
|
default:
|
|
netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n",
|
|
__func__, params->cipher);
|
|
return -ENOTSUPP;
|
|
}
|
|
}
|
|
|
|
static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
|
|
u8 key_index, bool pairwise, const u8 *mac_addr)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
|
|
netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr);
|
|
|
|
return remove_key(usbdev, key_index, mac_addr);
|
|
}
|
|
|
|
static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
|
|
u8 key_index, bool unicast, bool multicast)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
struct rndis_wlan_encr_key key;
|
|
|
|
netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index);
|
|
|
|
if (key_index >= RNDIS_WLAN_NUM_KEYS)
|
|
return -ENOENT;
|
|
|
|
priv->encr_tx_key_index = key_index;
|
|
|
|
if (is_wpa_key(priv, key_index))
|
|
return 0;
|
|
|
|
key = priv->encr_keys[key_index];
|
|
|
|
return add_wep_key(usbdev, key.material, key.len, key_index);
|
|
}
|
|
|
|
static void rndis_fill_station_info(struct usbnet *usbdev,
|
|
struct station_info *sinfo)
|
|
{
|
|
__le32 linkspeed, rssi;
|
|
int ret, len;
|
|
|
|
memset(sinfo, 0, sizeof(*sinfo));
|
|
|
|
len = sizeof(linkspeed);
|
|
ret = rndis_query_oid(usbdev, RNDIS_OID_GEN_LINK_SPEED, &linkspeed, &len);
|
|
if (ret == 0) {
|
|
sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
|
|
sinfo->filled |= STATION_INFO_TX_BITRATE;
|
|
}
|
|
|
|
len = sizeof(rssi);
|
|
ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI,
|
|
&rssi, &len);
|
|
if (ret == 0) {
|
|
sinfo->signal = level_to_qual(le32_to_cpu(rssi));
|
|
sinfo->filled |= STATION_INFO_SIGNAL;
|
|
}
|
|
}
|
|
|
|
static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *mac, struct station_info *sinfo)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
|
|
if (!ether_addr_equal(priv->bssid, mac))
|
|
return -ENOENT;
|
|
|
|
rndis_fill_station_info(usbdev, sinfo);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
|
|
int idx, u8 *mac, struct station_info *sinfo)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
|
|
if (idx != 0)
|
|
return -ENOENT;
|
|
|
|
memcpy(mac, priv->bssid, ETH_ALEN);
|
|
|
|
rndis_fill_station_info(usbdev, sinfo);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
|
|
struct cfg80211_pmksa *pmksa)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
struct ndis_80211_pmkid *pmkids;
|
|
u32 *tmp = (u32 *)pmksa->pmkid;
|
|
|
|
netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
|
|
pmksa->bssid,
|
|
cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
|
|
cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
|
|
|
|
pmkids = get_device_pmkids(usbdev);
|
|
if (IS_ERR(pmkids)) {
|
|
/* couldn't read PMKID cache from device */
|
|
return PTR_ERR(pmkids);
|
|
}
|
|
|
|
pmkids = update_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
|
|
if (IS_ERR(pmkids)) {
|
|
/* not found, list full, etc */
|
|
return PTR_ERR(pmkids);
|
|
}
|
|
|
|
return set_device_pmkids(usbdev, pmkids);
|
|
}
|
|
|
|
static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
|
|
struct cfg80211_pmksa *pmksa)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
struct ndis_80211_pmkid *pmkids;
|
|
u32 *tmp = (u32 *)pmksa->pmkid;
|
|
|
|
netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
|
|
pmksa->bssid,
|
|
cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
|
|
cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
|
|
|
|
pmkids = get_device_pmkids(usbdev);
|
|
if (IS_ERR(pmkids)) {
|
|
/* Couldn't read PMKID cache from device */
|
|
return PTR_ERR(pmkids);
|
|
}
|
|
|
|
pmkids = remove_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
|
|
if (IS_ERR(pmkids)) {
|
|
/* not found, etc */
|
|
return PTR_ERR(pmkids);
|
|
}
|
|
|
|
return set_device_pmkids(usbdev, pmkids);
|
|
}
|
|
|
|
static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
struct ndis_80211_pmkid pmkid;
|
|
|
|
netdev_dbg(usbdev->net, "%s()\n", __func__);
|
|
|
|
memset(&pmkid, 0, sizeof(pmkid));
|
|
|
|
pmkid.length = cpu_to_le32(sizeof(pmkid));
|
|
pmkid.bssid_info_count = cpu_to_le32(0);
|
|
|
|
return rndis_set_oid(usbdev, RNDIS_OID_802_11_PMKID,
|
|
&pmkid, sizeof(pmkid));
|
|
}
|
|
|
|
static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
|
|
bool enabled, int timeout)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
int power_mode;
|
|
__le32 mode;
|
|
int ret;
|
|
|
|
if (priv->device_type != RNDIS_BCM4320B)
|
|
return -ENOTSUPP;
|
|
|
|
netdev_dbg(usbdev->net, "%s(): %s, %d\n", __func__,
|
|
enabled ? "enabled" : "disabled",
|
|
timeout);
|
|
|
|
if (enabled)
|
|
power_mode = NDIS_80211_POWER_MODE_FAST_PSP;
|
|
else
|
|
power_mode = NDIS_80211_POWER_MODE_CAM;
|
|
|
|
if (power_mode == priv->power_mode)
|
|
return 0;
|
|
|
|
priv->power_mode = power_mode;
|
|
|
|
mode = cpu_to_le32(power_mode);
|
|
ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_POWER_MODE,
|
|
&mode, sizeof(mode));
|
|
|
|
netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_POWER_MODE -> %d\n",
|
|
__func__, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
s32 rssi_thold, u32 rssi_hyst)
|
|
{
|
|
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
|
|
|
|
priv->cqm_rssi_thold = rssi_thold;
|
|
priv->cqm_rssi_hyst = rssi_hyst;
|
|
priv->last_cqm_event_rssi = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
|
|
struct ndis_80211_assoc_info *info)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct ieee80211_channel *channel;
|
|
struct ndis_80211_ssid ssid;
|
|
struct cfg80211_bss *bss;
|
|
s32 signal;
|
|
u64 timestamp;
|
|
u16 capability;
|
|
u32 beacon_period = 0;
|
|
__le32 rssi;
|
|
u8 ie_buf[34];
|
|
int len, ret, ie_len;
|
|
|
|
/* Get signal quality, in case of error use rssi=0 and ignore error. */
|
|
len = sizeof(rssi);
|
|
rssi = 0;
|
|
ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI,
|
|
&rssi, &len);
|
|
signal = level_to_qual(le32_to_cpu(rssi));
|
|
|
|
netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_RSSI -> %d, "
|
|
"rssi:%d, qual: %d\n", __func__, ret, le32_to_cpu(rssi),
|
|
level_to_qual(le32_to_cpu(rssi)));
|
|
|
|
/* Get AP capabilities */
|
|
if (info) {
|
|
capability = le16_to_cpu(info->resp_ie.capa);
|
|
} else {
|
|
/* Set atleast ESS/IBSS capability */
|
|
capability = (priv->infra_mode == NDIS_80211_INFRA_INFRA) ?
|
|
WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS;
|
|
}
|
|
|
|
/* Get channel and beacon interval */
|
|
channel = get_current_channel(usbdev, &beacon_period);
|
|
if (!channel) {
|
|
netdev_warn(usbdev->net, "%s(): could not get channel.\n",
|
|
__func__);
|
|
return;
|
|
}
|
|
|
|
/* Get SSID, in case of error, use zero length SSID and ignore error. */
|
|
len = sizeof(ssid);
|
|
memset(&ssid, 0, sizeof(ssid));
|
|
ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_SSID,
|
|
&ssid, &len);
|
|
netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_SSID -> %d, len: %d, ssid: "
|
|
"'%.32s'\n", __func__, ret,
|
|
le32_to_cpu(ssid.length), ssid.essid);
|
|
|
|
if (le32_to_cpu(ssid.length) > 32)
|
|
ssid.length = cpu_to_le32(32);
|
|
|
|
ie_buf[0] = WLAN_EID_SSID;
|
|
ie_buf[1] = le32_to_cpu(ssid.length);
|
|
memcpy(&ie_buf[2], ssid.essid, le32_to_cpu(ssid.length));
|
|
|
|
ie_len = le32_to_cpu(ssid.length) + 2;
|
|
|
|
/* no tsf */
|
|
timestamp = 0;
|
|
|
|
netdev_dbg(usbdev->net, "%s(): channel:%d(freq), bssid:[%pM], tsf:%d, "
|
|
"capa:%x, beacon int:%d, resp_ie(len:%d, essid:'%.32s'), "
|
|
"signal:%d\n", __func__, (channel ? channel->center_freq : -1),
|
|
bssid, (u32)timestamp, capability, beacon_period, ie_len,
|
|
ssid.essid, signal);
|
|
|
|
bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid,
|
|
timestamp, capability, beacon_period, ie_buf, ie_len,
|
|
signal, GFP_KERNEL);
|
|
cfg80211_put_bss(priv->wdev.wiphy, bss);
|
|
}
|
|
|
|
/*
|
|
* workers, indication handlers, device poller
|
|
*/
|
|
static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct ndis_80211_assoc_info *info = NULL;
|
|
u8 bssid[ETH_ALEN];
|
|
unsigned int resp_ie_len, req_ie_len;
|
|
unsigned int offset;
|
|
u8 *req_ie, *resp_ie;
|
|
int ret;
|
|
bool roamed = false;
|
|
bool match_bss;
|
|
|
|
if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
|
|
/* received media connect indication while connected, either
|
|
* device reassociated with same AP or roamed to new. */
|
|
roamed = true;
|
|
}
|
|
|
|
req_ie_len = 0;
|
|
resp_ie_len = 0;
|
|
req_ie = NULL;
|
|
resp_ie = NULL;
|
|
|
|
if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
|
|
info = kzalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL);
|
|
if (!info) {
|
|
/* No memory? Try resume work later */
|
|
set_bit(WORK_LINK_UP, &priv->work_pending);
|
|
queue_work(priv->workqueue, &priv->work);
|
|
return;
|
|
}
|
|
|
|
/* Get association info IEs from device. */
|
|
ret = get_association_info(usbdev, info, CONTROL_BUFFER_SIZE);
|
|
if (!ret) {
|
|
req_ie_len = le32_to_cpu(info->req_ie_length);
|
|
if (req_ie_len > CONTROL_BUFFER_SIZE)
|
|
req_ie_len = CONTROL_BUFFER_SIZE;
|
|
if (req_ie_len != 0) {
|
|
offset = le32_to_cpu(info->offset_req_ies);
|
|
|
|
if (offset > CONTROL_BUFFER_SIZE)
|
|
offset = CONTROL_BUFFER_SIZE;
|
|
|
|
req_ie = (u8 *)info + offset;
|
|
|
|
if (offset + req_ie_len > CONTROL_BUFFER_SIZE)
|
|
req_ie_len =
|
|
CONTROL_BUFFER_SIZE - offset;
|
|
}
|
|
|
|
resp_ie_len = le32_to_cpu(info->resp_ie_length);
|
|
if (resp_ie_len > CONTROL_BUFFER_SIZE)
|
|
resp_ie_len = CONTROL_BUFFER_SIZE;
|
|
if (resp_ie_len != 0) {
|
|
offset = le32_to_cpu(info->offset_resp_ies);
|
|
|
|
if (offset > CONTROL_BUFFER_SIZE)
|
|
offset = CONTROL_BUFFER_SIZE;
|
|
|
|
resp_ie = (u8 *)info + offset;
|
|
|
|
if (offset + resp_ie_len > CONTROL_BUFFER_SIZE)
|
|
resp_ie_len =
|
|
CONTROL_BUFFER_SIZE - offset;
|
|
}
|
|
} else {
|
|
/* Since rndis_wlan_craft_connected_bss() might use info
|
|
* later and expects info to contain valid data if
|
|
* non-null, free info and set NULL here.
|
|
*/
|
|
kfree(info);
|
|
info = NULL;
|
|
}
|
|
} else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
|
|
return;
|
|
|
|
ret = get_bssid(usbdev, bssid);
|
|
if (ret < 0)
|
|
memset(bssid, 0, sizeof(bssid));
|
|
|
|
netdev_dbg(usbdev->net, "link up work: [%pM]%s\n",
|
|
bssid, roamed ? " roamed" : "");
|
|
|
|
/* Internal bss list in device should contain at least the currently
|
|
* connected bss and we can get it to cfg80211 with
|
|
* rndis_check_bssid_list().
|
|
*
|
|
* NDIS spec says: "If the device is associated, but the associated
|
|
* BSSID is not in its BSSID scan list, then the driver must add an
|
|
* entry for the BSSID at the end of the data that it returns in
|
|
* response to query of RNDIS_OID_802_11_BSSID_LIST."
|
|
*
|
|
* NOTE: Seems to be true for BCM4320b variant, but not BCM4320a.
|
|
*/
|
|
match_bss = false;
|
|
rndis_check_bssid_list(usbdev, bssid, &match_bss);
|
|
|
|
if (!is_zero_ether_addr(bssid) && !match_bss) {
|
|
/* Couldn't get bss from device, we need to manually craft bss
|
|
* for cfg80211.
|
|
*/
|
|
rndis_wlan_craft_connected_bss(usbdev, bssid, info);
|
|
}
|
|
|
|
if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
|
|
if (!roamed)
|
|
cfg80211_connect_result(usbdev->net, bssid, req_ie,
|
|
req_ie_len, resp_ie,
|
|
resp_ie_len, 0, GFP_KERNEL);
|
|
else
|
|
cfg80211_roamed(usbdev->net,
|
|
get_current_channel(usbdev, NULL),
|
|
bssid, req_ie, req_ie_len,
|
|
resp_ie, resp_ie_len, GFP_KERNEL);
|
|
} else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
|
|
cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
|
|
|
|
kfree(info);
|
|
|
|
priv->connected = true;
|
|
memcpy(priv->bssid, bssid, ETH_ALEN);
|
|
|
|
usbnet_resume_rx(usbdev);
|
|
netif_carrier_on(usbdev->net);
|
|
}
|
|
|
|
static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
|
|
if (priv->connected) {
|
|
priv->connected = false;
|
|
memset(priv->bssid, 0, ETH_ALEN);
|
|
|
|
deauthenticate(usbdev);
|
|
|
|
cfg80211_disconnected(usbdev->net, 0, NULL, 0, GFP_KERNEL);
|
|
}
|
|
|
|
netif_carrier_off(usbdev->net);
|
|
}
|
|
|
|
static void rndis_wlan_worker(struct work_struct *work)
|
|
{
|
|
struct rndis_wlan_private *priv =
|
|
container_of(work, struct rndis_wlan_private, work);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
|
|
if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
|
|
rndis_wlan_do_link_up_work(usbdev);
|
|
|
|
if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
|
|
rndis_wlan_do_link_down_work(usbdev);
|
|
|
|
if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
|
|
set_multicast_list(usbdev);
|
|
}
|
|
|
|
static void rndis_wlan_set_multicast_list(struct net_device *dev)
|
|
{
|
|
struct usbnet *usbdev = netdev_priv(dev);
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
|
|
if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
|
|
return;
|
|
|
|
set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
|
|
queue_work(priv->workqueue, &priv->work);
|
|
}
|
|
|
|
static void rndis_wlan_auth_indication(struct usbnet *usbdev,
|
|
struct ndis_80211_status_indication *indication,
|
|
int len)
|
|
{
|
|
u8 *buf;
|
|
const char *type;
|
|
int flags, buflen, key_id;
|
|
bool pairwise_error, group_error;
|
|
struct ndis_80211_auth_request *auth_req;
|
|
enum nl80211_key_type key_type;
|
|
|
|
/* must have at least one array entry */
|
|
if (len < offsetof(struct ndis_80211_status_indication, u) +
|
|
sizeof(struct ndis_80211_auth_request)) {
|
|
netdev_info(usbdev->net, "authentication indication: too short message (%i)\n",
|
|
len);
|
|
return;
|
|
}
|
|
|
|
buf = (void *)&indication->u.auth_request[0];
|
|
buflen = len - offsetof(struct ndis_80211_status_indication, u);
|
|
|
|
while (buflen >= sizeof(*auth_req)) {
|
|
auth_req = (void *)buf;
|
|
type = "unknown";
|
|
flags = le32_to_cpu(auth_req->flags);
|
|
pairwise_error = false;
|
|
group_error = false;
|
|
|
|
if (flags & 0x1)
|
|
type = "reauth request";
|
|
if (flags & 0x2)
|
|
type = "key update request";
|
|
if (flags & 0x6) {
|
|
pairwise_error = true;
|
|
type = "pairwise_error";
|
|
}
|
|
if (flags & 0xe) {
|
|
group_error = true;
|
|
type = "group_error";
|
|
}
|
|
|
|
netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n",
|
|
type, le32_to_cpu(auth_req->flags));
|
|
|
|
if (pairwise_error) {
|
|
key_type = NL80211_KEYTYPE_PAIRWISE;
|
|
key_id = -1;
|
|
|
|
cfg80211_michael_mic_failure(usbdev->net,
|
|
auth_req->bssid,
|
|
key_type, key_id, NULL,
|
|
GFP_KERNEL);
|
|
}
|
|
|
|
if (group_error) {
|
|
key_type = NL80211_KEYTYPE_GROUP;
|
|
key_id = -1;
|
|
|
|
cfg80211_michael_mic_failure(usbdev->net,
|
|
auth_req->bssid,
|
|
key_type, key_id, NULL,
|
|
GFP_KERNEL);
|
|
}
|
|
|
|
buflen -= le32_to_cpu(auth_req->length);
|
|
buf += le32_to_cpu(auth_req->length);
|
|
}
|
|
}
|
|
|
|
static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
|
|
struct ndis_80211_status_indication *indication,
|
|
int len)
|
|
{
|
|
struct ndis_80211_pmkid_cand_list *cand_list;
|
|
int list_len, expected_len, i;
|
|
|
|
if (len < offsetof(struct ndis_80211_status_indication, u) +
|
|
sizeof(struct ndis_80211_pmkid_cand_list)) {
|
|
netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n",
|
|
len);
|
|
return;
|
|
}
|
|
|
|
list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
|
|
sizeof(struct ndis_80211_pmkid_candidate);
|
|
expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
|
|
offsetof(struct ndis_80211_status_indication, u);
|
|
|
|
if (len < expected_len) {
|
|
netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n",
|
|
len, expected_len);
|
|
return;
|
|
}
|
|
|
|
cand_list = &indication->u.cand_list;
|
|
|
|
netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n",
|
|
le32_to_cpu(cand_list->version),
|
|
le32_to_cpu(cand_list->num_candidates));
|
|
|
|
if (le32_to_cpu(cand_list->version) != 1)
|
|
return;
|
|
|
|
for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
|
|
struct ndis_80211_pmkid_candidate *cand =
|
|
&cand_list->candidate_list[i];
|
|
bool preauth = !!(cand->flags & NDIS_80211_PMKID_CAND_PREAUTH);
|
|
|
|
netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, preauth: %d, bssid: %pM\n",
|
|
i, le32_to_cpu(cand->flags), preauth, cand->bssid);
|
|
|
|
cfg80211_pmksa_candidate_notify(usbdev->net, i, cand->bssid,
|
|
preauth, GFP_ATOMIC);
|
|
}
|
|
}
|
|
|
|
static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
|
|
struct rndis_indicate *msg, int buflen)
|
|
{
|
|
struct ndis_80211_status_indication *indication;
|
|
unsigned int len, offset;
|
|
|
|
offset = offsetof(struct rndis_indicate, status) +
|
|
le32_to_cpu(msg->offset);
|
|
len = le32_to_cpu(msg->length);
|
|
|
|
if (len < 8) {
|
|
netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n",
|
|
len);
|
|
return;
|
|
}
|
|
|
|
if (len > buflen || offset > buflen || offset + len > buflen) {
|
|
netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n",
|
|
offset + len, buflen);
|
|
return;
|
|
}
|
|
|
|
indication = (void *)((u8 *)msg + offset);
|
|
|
|
switch (le32_to_cpu(indication->status_type)) {
|
|
case NDIS_80211_STATUSTYPE_RADIOSTATE:
|
|
netdev_info(usbdev->net, "radio state indication: %i\n",
|
|
le32_to_cpu(indication->u.radio_status));
|
|
return;
|
|
|
|
case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
|
|
netdev_info(usbdev->net, "media stream mode indication: %i\n",
|
|
le32_to_cpu(indication->u.media_stream_mode));
|
|
return;
|
|
|
|
case NDIS_80211_STATUSTYPE_AUTHENTICATION:
|
|
rndis_wlan_auth_indication(usbdev, indication, len);
|
|
return;
|
|
|
|
case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
|
|
rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
|
|
return;
|
|
|
|
default:
|
|
netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n",
|
|
le32_to_cpu(indication->status_type));
|
|
}
|
|
}
|
|
|
|
static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
struct rndis_indicate *msg = ind;
|
|
|
|
switch (le32_to_cpu(msg->status)) {
|
|
case RNDIS_STATUS_MEDIA_CONNECT:
|
|
if (priv->current_command_oid == RNDIS_OID_802_11_ADD_KEY) {
|
|
/* RNDIS_OID_802_11_ADD_KEY causes sometimes extra
|
|
* "media connect" indications which confuses driver
|
|
* and userspace to think that device is
|
|
* roaming/reassociating when it isn't.
|
|
*/
|
|
netdev_dbg(usbdev->net, "ignored RNDIS_OID_802_11_ADD_KEY triggered 'media connect'\n");
|
|
return;
|
|
}
|
|
|
|
usbnet_pause_rx(usbdev);
|
|
|
|
netdev_info(usbdev->net, "media connect\n");
|
|
|
|
/* queue work to avoid recursive calls into rndis_command */
|
|
set_bit(WORK_LINK_UP, &priv->work_pending);
|
|
queue_work(priv->workqueue, &priv->work);
|
|
break;
|
|
|
|
case RNDIS_STATUS_MEDIA_DISCONNECT:
|
|
netdev_info(usbdev->net, "media disconnect\n");
|
|
|
|
/* queue work to avoid recursive calls into rndis_command */
|
|
set_bit(WORK_LINK_DOWN, &priv->work_pending);
|
|
queue_work(priv->workqueue, &priv->work);
|
|
break;
|
|
|
|
case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
|
|
rndis_wlan_media_specific_indication(usbdev, msg, buflen);
|
|
break;
|
|
|
|
default:
|
|
netdev_info(usbdev->net, "indication: 0x%08x\n",
|
|
le32_to_cpu(msg->status));
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy)
|
|
{
|
|
struct {
|
|
__le32 num_items;
|
|
__le32 items[8];
|
|
} networks_supported;
|
|
struct ndis_80211_capability *caps;
|
|
u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16];
|
|
int len, retval, i, n;
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
|
|
/* determine supported modes */
|
|
len = sizeof(networks_supported);
|
|
retval = rndis_query_oid(usbdev,
|
|
RNDIS_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 NDIS_80211_TYPE_FREQ_HOP:
|
|
case NDIS_80211_TYPE_DIRECT_SEQ:
|
|
priv->caps |= CAP_MODE_80211B;
|
|
break;
|
|
case NDIS_80211_TYPE_OFDM_A:
|
|
priv->caps |= CAP_MODE_80211A;
|
|
break;
|
|
case NDIS_80211_TYPE_OFDM_G:
|
|
priv->caps |= CAP_MODE_80211G;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* get device 802.11 capabilities, number of PMKIDs */
|
|
caps = (struct ndis_80211_capability *)caps_buf;
|
|
len = sizeof(caps_buf);
|
|
retval = rndis_query_oid(usbdev,
|
|
RNDIS_OID_802_11_CAPABILITY,
|
|
caps, &len);
|
|
if (retval >= 0) {
|
|
netdev_dbg(usbdev->net, "RNDIS_OID_802_11_CAPABILITY -> len %d, "
|
|
"ver %d, pmkids %d, auth-encr-pairs %d\n",
|
|
le32_to_cpu(caps->length),
|
|
le32_to_cpu(caps->version),
|
|
le32_to_cpu(caps->num_pmkids),
|
|
le32_to_cpu(caps->num_auth_encr_pair));
|
|
wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids);
|
|
} else
|
|
wiphy->max_num_pmkids = 0;
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void rndis_do_cqm(struct usbnet *usbdev, s32 rssi)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
enum nl80211_cqm_rssi_threshold_event event;
|
|
int thold, hyst, last_event;
|
|
|
|
if (priv->cqm_rssi_thold >= 0 || rssi >= 0)
|
|
return;
|
|
if (priv->infra_mode != NDIS_80211_INFRA_INFRA)
|
|
return;
|
|
|
|
last_event = priv->last_cqm_event_rssi;
|
|
thold = priv->cqm_rssi_thold;
|
|
hyst = priv->cqm_rssi_hyst;
|
|
|
|
if (rssi < thold && (last_event == 0 || rssi < last_event - hyst))
|
|
event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
|
|
else if (rssi > thold && (last_event == 0 || rssi > last_event + hyst))
|
|
event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
|
|
else
|
|
return;
|
|
|
|
priv->last_cqm_event_rssi = rssi;
|
|
cfg80211_cqm_rssi_notify(usbdev->net, event, GFP_KERNEL);
|
|
}
|
|
|
|
#define DEVICE_POLLER_JIFFIES (HZ)
|
|
static void rndis_device_poller(struct work_struct *work)
|
|
{
|
|
struct rndis_wlan_private *priv =
|
|
container_of(work, struct rndis_wlan_private,
|
|
dev_poller_work.work);
|
|
struct usbnet *usbdev = priv->usbdev;
|
|
__le32 rssi, tmp;
|
|
int len, ret, j;
|
|
int update_jiffies = DEVICE_POLLER_JIFFIES;
|
|
void *buf;
|
|
|
|
/* Only check/do workaround when connected. Calling is_associated()
|
|
* also polls device with rndis_command() and catches for media link
|
|
* indications.
|
|
*/
|
|
if (!is_associated(usbdev)) {
|
|
/* Workaround bad scanning in BCM4320a devices with active
|
|
* background scanning when not associated.
|
|
*/
|
|
if (priv->device_type == RNDIS_BCM4320A && priv->radio_on &&
|
|
!priv->scan_request) {
|
|
/* Get previous scan results */
|
|
rndis_check_bssid_list(usbdev, NULL, NULL);
|
|
|
|
/* Initiate new scan */
|
|
rndis_start_bssid_list_scan(usbdev);
|
|
}
|
|
|
|
goto end;
|
|
}
|
|
|
|
len = sizeof(rssi);
|
|
ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI,
|
|
&rssi, &len);
|
|
if (ret == 0) {
|
|
priv->last_qual = level_to_qual(le32_to_cpu(rssi));
|
|
rndis_do_cqm(usbdev, le32_to_cpu(rssi));
|
|
}
|
|
|
|
netdev_dbg(usbdev->net, "dev-poller: RNDIS_OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
|
|
ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));
|
|
|
|
/* Workaround transfer stalls on poor quality links.
|
|
* TODO: find right way to fix these stalls (as stalls do not happen
|
|
* with ndiswrapper/windows driver). */
|
|
if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) {
|
|
/* 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 > DEVICE_POLLER_JIFFIES)
|
|
j = DEVICE_POLLER_JIFFIES;
|
|
else if (j <= 0)
|
|
j = 1;
|
|
update_jiffies = j;
|
|
|
|
/* Send scan OID. Use of both OIDs is required to get device
|
|
* working.
|
|
*/
|
|
tmp = cpu_to_le32(1);
|
|
rndis_set_oid(usbdev,
|
|
RNDIS_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,
|
|
RNDIS_OID_802_11_BSSID_LIST,
|
|
buf, &len);
|
|
kfree(buf);
|
|
}
|
|
|
|
end:
|
|
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->dev_poller_work,
|
|
update_jiffies);
|
|
}
|
|
|
|
/*
|
|
* driver/device initialization
|
|
*/
|
|
static void rndis_copy_module_params(struct usbnet *usbdev, int device_type)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
|
|
priv->device_type = device_type;
|
|
|
|
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_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_power_output < 0)
|
|
priv->param_power_output = 0;
|
|
else if (priv->param_power_output > 3)
|
|
priv->param_power_output = 3;
|
|
|
|
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 (modparam_workaround_interval < 0)
|
|
priv->param_workaround_interval = 500;
|
|
else
|
|
priv->param_workaround_interval = modparam_workaround_interval;
|
|
}
|
|
|
|
static int unknown_early_init(struct usbnet *usbdev)
|
|
{
|
|
/* copy module parameters for unknown so that iwconfig reports txpower
|
|
* and workaround parameter is copied to private structure correctly.
|
|
*/
|
|
rndis_copy_module_params(usbdev, RNDIS_UNKNOWN);
|
|
|
|
/* This is unknown device, so do not try set configuration parameters.
|
|
*/
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bcm4320a_early_init(struct usbnet *usbdev)
|
|
{
|
|
/* copy module parameters for bcm4320a so that iwconfig reports txpower
|
|
* and workaround parameter is copied to private structure correctly.
|
|
*/
|
|
rndis_copy_module_params(usbdev, RNDIS_BCM4320A);
|
|
|
|
/* bcm4320a doesn't handle configuration parameters well. Try
|
|
* set any and you get partially zeroed mac and broken device.
|
|
*/
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bcm4320b_early_init(struct usbnet *usbdev)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
char buf[8];
|
|
|
|
rndis_copy_module_params(usbdev, RNDIS_BCM4320B);
|
|
|
|
/* Early initialization settings, setting these won't have effect
|
|
* if called after generic_rndis_bind().
|
|
*/
|
|
|
|
rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
|
|
rndis_set_config_parameter_str(usbdev, "FrameBursting",
|
|
priv->param_frameburst ? "1" : "0");
|
|
rndis_set_config_parameter_str(usbdev, "Afterburner",
|
|
priv->param_afterburner ? "1" : "0");
|
|
sprintf(buf, "%d", priv->param_power_save);
|
|
rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
|
|
sprintf(buf, "%d", priv->param_power_output);
|
|
rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
|
|
sprintf(buf, "%d", priv->param_roamtrigger);
|
|
rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
|
|
sprintf(buf, "%d", priv->param_roamdelta);
|
|
rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* same as rndis_netdev_ops but with local multicast handler */
|
|
static const struct net_device_ops rndis_wlan_netdev_ops = {
|
|
.ndo_open = usbnet_open,
|
|
.ndo_stop = usbnet_stop,
|
|
.ndo_start_xmit = usbnet_start_xmit,
|
|
.ndo_tx_timeout = usbnet_tx_timeout,
|
|
.ndo_set_mac_address = eth_mac_addr,
|
|
.ndo_validate_addr = eth_validate_addr,
|
|
.ndo_set_rx_mode = rndis_wlan_set_multicast_list,
|
|
};
|
|
|
|
static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
|
|
{
|
|
struct wiphy *wiphy;
|
|
struct rndis_wlan_private *priv;
|
|
int retval, len;
|
|
__le32 tmp;
|
|
|
|
/* allocate wiphy and rndis private data
|
|
* NOTE: We only support a single virtual interface, so wiphy
|
|
* and wireless_dev are somewhat synonymous for this device.
|
|
*/
|
|
wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
|
|
if (!wiphy)
|
|
return -ENOMEM;
|
|
|
|
priv = wiphy_priv(wiphy);
|
|
usbdev->net->ieee80211_ptr = &priv->wdev;
|
|
priv->wdev.wiphy = wiphy;
|
|
priv->wdev.iftype = NL80211_IFTYPE_STATION;
|
|
|
|
/* These have to be initialized before calling generic_rndis_bind().
|
|
* Otherwise we'll be in big trouble in rndis_wlan_early_init().
|
|
*/
|
|
usbdev->driver_priv = priv;
|
|
priv->usbdev = usbdev;
|
|
|
|
mutex_init(&priv->command_lock);
|
|
|
|
/* because rndis_command() sleeps we need to use workqueue */
|
|
priv->workqueue = create_singlethread_workqueue("rndis_wlan");
|
|
INIT_WORK(&priv->work, rndis_wlan_worker);
|
|
INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
|
|
INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
|
|
|
|
/* try bind rndis_host */
|
|
retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
|
|
if (retval < 0)
|
|
goto fail;
|
|
|
|
/* generic_rndis_bind set packet filter to multicast_all+
|
|
* promisc mode which doesn't work well for our devices (device
|
|
* picks up rssi to closest station instead of to access point).
|
|
*
|
|
* rndis_host wants to avoid all OID as much as possible
|
|
* so do promisc/multicast handling in rndis_wlan.
|
|
*/
|
|
netdev_attach_ops(usbdev->net, &rndis_wlan_netdev_ops);
|
|
|
|
tmp = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST);
|
|
retval = rndis_set_oid(usbdev,
|
|
RNDIS_OID_GEN_CURRENT_PACKET_FILTER,
|
|
&tmp, sizeof(tmp));
|
|
|
|
len = sizeof(tmp);
|
|
retval = rndis_query_oid(usbdev,
|
|
RNDIS_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)
|
|
usbdev->net->flags |= IFF_MULTICAST;
|
|
else
|
|
usbdev->net->flags &= ~IFF_MULTICAST;
|
|
|
|
/* fill-out wiphy structure and register w/ cfg80211 */
|
|
memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
|
|
wiphy->privid = rndis_wiphy_privid;
|
|
wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
|
|
| BIT(NL80211_IFTYPE_ADHOC);
|
|
wiphy->max_scan_ssids = 1;
|
|
|
|
/* TODO: fill-out band/encr information based on priv->caps */
|
|
rndis_wlan_get_caps(usbdev, wiphy);
|
|
|
|
memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
|
|
memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
|
|
priv->band.channels = priv->channels;
|
|
priv->band.n_channels = ARRAY_SIZE(rndis_channels);
|
|
priv->band.bitrates = priv->rates;
|
|
priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
|
|
wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
|
|
wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
|
|
|
|
memcpy(priv->cipher_suites, rndis_cipher_suites,
|
|
sizeof(rndis_cipher_suites));
|
|
wiphy->cipher_suites = priv->cipher_suites;
|
|
wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
|
|
|
|
set_wiphy_dev(wiphy, &usbdev->udev->dev);
|
|
|
|
if (wiphy_register(wiphy)) {
|
|
retval = -ENODEV;
|
|
goto fail;
|
|
}
|
|
|
|
set_default_iw_params(usbdev);
|
|
|
|
priv->power_mode = -1;
|
|
|
|
/* set default rts/frag */
|
|
rndis_set_wiphy_params(wiphy,
|
|
WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
|
|
|
|
/* turn radio off on init */
|
|
priv->radio_on = false;
|
|
disassociate(usbdev, false);
|
|
netif_carrier_off(usbdev->net);
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
cancel_delayed_work_sync(&priv->dev_poller_work);
|
|
cancel_delayed_work_sync(&priv->scan_work);
|
|
cancel_work_sync(&priv->work);
|
|
flush_workqueue(priv->workqueue);
|
|
destroy_workqueue(priv->workqueue);
|
|
|
|
wiphy_free(wiphy);
|
|
return retval;
|
|
}
|
|
|
|
static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
|
|
/* turn radio off */
|
|
disassociate(usbdev, false);
|
|
|
|
cancel_delayed_work_sync(&priv->dev_poller_work);
|
|
cancel_delayed_work_sync(&priv->scan_work);
|
|
cancel_work_sync(&priv->work);
|
|
flush_workqueue(priv->workqueue);
|
|
destroy_workqueue(priv->workqueue);
|
|
|
|
rndis_unbind(usbdev, intf);
|
|
|
|
wiphy_unregister(priv->wdev.wiphy);
|
|
wiphy_free(priv->wdev.wiphy);
|
|
}
|
|
|
|
static int rndis_wlan_reset(struct usbnet *usbdev)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
int retval;
|
|
|
|
netdev_dbg(usbdev->net, "%s()\n", __func__);
|
|
|
|
retval = rndis_reset(usbdev);
|
|
if (retval)
|
|
netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval);
|
|
|
|
/* rndis_reset cleared multicast list, so restore here.
|
|
(set_multicast_list() also turns on current packet filter) */
|
|
set_multicast_list(usbdev);
|
|
|
|
queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
|
|
round_jiffies_relative(DEVICE_POLLER_JIFFIES));
|
|
|
|
return deauthenticate(usbdev);
|
|
}
|
|
|
|
static int rndis_wlan_stop(struct usbnet *usbdev)
|
|
{
|
|
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
|
|
int retval;
|
|
__le32 filter;
|
|
|
|
netdev_dbg(usbdev->net, "%s()\n", __func__);
|
|
|
|
retval = disassociate(usbdev, false);
|
|
|
|
priv->work_pending = 0;
|
|
cancel_delayed_work_sync(&priv->dev_poller_work);
|
|
cancel_delayed_work_sync(&priv->scan_work);
|
|
cancel_work_sync(&priv->work);
|
|
flush_workqueue(priv->workqueue);
|
|
|
|
if (priv->scan_request) {
|
|
cfg80211_scan_done(priv->scan_request, true);
|
|
priv->scan_request = NULL;
|
|
}
|
|
|
|
/* Set current packet filter zero to block receiving data packets from
|
|
device. */
|
|
filter = 0;
|
|
rndis_set_oid(usbdev, RNDIS_OID_GEN_CURRENT_PACKET_FILTER, &filter,
|
|
sizeof(filter));
|
|
|
|
return retval;
|
|
}
|
|
|
|
static const struct driver_info bcm4320b_info = {
|
|
.description = "Wireless RNDIS device, BCM4320b based",
|
|
.flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
|
|
FLAG_AVOID_UNLINK_URBS,
|
|
.bind = rndis_wlan_bind,
|
|
.unbind = rndis_wlan_unbind,
|
|
.status = rndis_status,
|
|
.rx_fixup = rndis_rx_fixup,
|
|
.tx_fixup = rndis_tx_fixup,
|
|
.reset = rndis_wlan_reset,
|
|
.stop = rndis_wlan_stop,
|
|
.early_init = bcm4320b_early_init,
|
|
.indication = rndis_wlan_indication,
|
|
};
|
|
|
|
static const struct driver_info bcm4320a_info = {
|
|
.description = "Wireless RNDIS device, BCM4320a based",
|
|
.flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
|
|
FLAG_AVOID_UNLINK_URBS,
|
|
.bind = rndis_wlan_bind,
|
|
.unbind = rndis_wlan_unbind,
|
|
.status = rndis_status,
|
|
.rx_fixup = rndis_rx_fixup,
|
|
.tx_fixup = rndis_tx_fixup,
|
|
.reset = rndis_wlan_reset,
|
|
.stop = rndis_wlan_stop,
|
|
.early_init = bcm4320a_early_init,
|
|
.indication = rndis_wlan_indication,
|
|
};
|
|
|
|
static const struct driver_info rndis_wlan_info = {
|
|
.description = "Wireless RNDIS device",
|
|
.flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
|
|
FLAG_AVOID_UNLINK_URBS,
|
|
.bind = rndis_wlan_bind,
|
|
.unbind = rndis_wlan_unbind,
|
|
.status = rndis_status,
|
|
.rx_fixup = rndis_rx_fixup,
|
|
.tx_fixup = rndis_tx_fixup,
|
|
.reset = rndis_wlan_reset,
|
|
.stop = rndis_wlan_stop,
|
|
.early_init = unknown_early_init,
|
|
.indication = rndis_wlan_indication,
|
|
};
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
static const struct usb_device_id products [] = {
|
|
#define RNDIS_MASTER_INTERFACE \
|
|
.bInterfaceClass = USB_CLASS_COMM, \
|
|
.bInterfaceSubClass = 2 /* ACM */, \
|
|
.bInterfaceProtocol = 0x0ff
|
|
|
|
/* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
|
|
* parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
|
|
*/
|
|
{
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x0411,
|
|
.idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
|
|
RNDIS_MASTER_INTERFACE,
|
|
.driver_info = (unsigned long) &bcm4320b_info,
|
|
}, {
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x0baf,
|
|
.idProduct = 0x011b, /* U.S. Robotics USR5421 */
|
|
RNDIS_MASTER_INTERFACE,
|
|
.driver_info = (unsigned long) &bcm4320b_info,
|
|
}, {
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x050d,
|
|
.idProduct = 0x011b, /* Belkin F5D7051 */
|
|
RNDIS_MASTER_INTERFACE,
|
|
.driver_info = (unsigned long) &bcm4320b_info,
|
|
}, {
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x1799, /* Belkin has two vendor ids */
|
|
.idProduct = 0x011b, /* Belkin F5D7051 */
|
|
RNDIS_MASTER_INTERFACE,
|
|
.driver_info = (unsigned long) &bcm4320b_info,
|
|
}, {
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x13b1,
|
|
.idProduct = 0x0014, /* Linksys WUSB54GSv2 */
|
|
RNDIS_MASTER_INTERFACE,
|
|
.driver_info = (unsigned long) &bcm4320b_info,
|
|
}, {
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x13b1,
|
|
.idProduct = 0x0026, /* Linksys WUSB54GSC */
|
|
RNDIS_MASTER_INTERFACE,
|
|
.driver_info = (unsigned long) &bcm4320b_info,
|
|
}, {
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x0b05,
|
|
.idProduct = 0x1717, /* Asus WL169gE */
|
|
RNDIS_MASTER_INTERFACE,
|
|
.driver_info = (unsigned long) &bcm4320b_info,
|
|
}, {
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x0a5c,
|
|
.idProduct = 0xd11b, /* Eminent EM4045 */
|
|
RNDIS_MASTER_INTERFACE,
|
|
.driver_info = (unsigned long) &bcm4320b_info,
|
|
}, {
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x1690,
|
|
.idProduct = 0x0715, /* BT Voyager 1055 */
|
|
RNDIS_MASTER_INTERFACE,
|
|
.driver_info = (unsigned long) &bcm4320b_info,
|
|
},
|
|
/* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
|
|
* parameters available, hardware probably contain older firmware version with
|
|
* no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
|
|
*/
|
|
{
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x13b1,
|
|
.idProduct = 0x000e, /* Linksys WUSB54GSv1 */
|
|
RNDIS_MASTER_INTERFACE,
|
|
.driver_info = (unsigned long) &bcm4320a_info,
|
|
}, {
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x0baf,
|
|
.idProduct = 0x0111, /* U.S. Robotics USR5420 */
|
|
RNDIS_MASTER_INTERFACE,
|
|
.driver_info = (unsigned long) &bcm4320a_info,
|
|
}, {
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x0411,
|
|
.idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
|
|
RNDIS_MASTER_INTERFACE,
|
|
.driver_info = (unsigned long) &bcm4320a_info,
|
|
},
|
|
/* Generic Wireless RNDIS devices that we don't have exact
|
|
* idVendor/idProduct/chip yet.
|
|
*/
|
|
{
|
|
/* RNDIS is MSFT's un-official variant of CDC ACM */
|
|
USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
|
|
.driver_info = (unsigned long) &rndis_wlan_info,
|
|
}, {
|
|
/* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
|
|
USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
|
|
.driver_info = (unsigned long) &rndis_wlan_info,
|
|
},
|
|
{ }, // END
|
|
};
|
|
MODULE_DEVICE_TABLE(usb, products);
|
|
|
|
static struct usb_driver rndis_wlan_driver = {
|
|
.name = "rndis_wlan",
|
|
.id_table = products,
|
|
.probe = usbnet_probe,
|
|
.disconnect = usbnet_disconnect,
|
|
.suspend = usbnet_suspend,
|
|
.resume = usbnet_resume,
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
|
|
.disable_hub_initiated_lpm = 1,
|
|
#endif
|
|
};
|
|
|
|
module_usb_driver(rndis_wlan_driver);
|
|
|
|
MODULE_AUTHOR("Bjorge Dijkstra");
|
|
MODULE_AUTHOR("Jussi Kivilinna");
|
|
MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
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MODULE_LICENSE("GPL");
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