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3763 lines
100 KiB
3763 lines
100 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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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 <[email protected]> |
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* Copyright (C) 2008-2009 by Jussi Kivilinna <[email protected]> |
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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/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[ETH_ALEN]; |
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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[ETH_ALEN]; |
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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[]; |
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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[ETH_ALEN]; |
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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[]; |
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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[]; |
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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[ETH_ALEN]; |
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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[ETH_ALEN]; |
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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[ETH_ALEN]; |
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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_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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} __packed; |
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struct ndis_80211_bssid_info { |
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u8 bssid[ETH_ALEN]; |
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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[]; |
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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 0 |
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#define WORK_LINK_DOWN 1 |
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#define WORK_SET_MULTICAST_LIST 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, |
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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, |
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enum nl80211_tx_power_setting type, |
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int mbm); |
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static int rndis_get_tx_power(struct wiphy *wiphy, |
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struct wireless_dev *wdev, |
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int *dbm); |
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static int rndis_connect(struct wiphy *wiphy, struct net_device *dev, |
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struct cfg80211_connect_params *sme); |
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static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev, |
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u16 reason_code); |
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static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
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struct cfg80211_ibss_params *params); |
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static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev); |
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static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev, |
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u8 key_index, bool pairwise, const u8 *mac_addr, |
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struct key_params *params); |
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static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev, |
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u8 key_index, bool pairwise, const u8 *mac_addr); |
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static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev, |
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u8 key_index, bool unicast, bool multicast); |
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static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev, |
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const u8 *mac, struct station_info *sinfo); |
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static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev, |
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int idx, u8 *mac, struct station_info *sinfo); |
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static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, |
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struct cfg80211_pmksa *pmksa); |
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static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, |
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struct cfg80211_pmksa *pmksa); |
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static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev); |
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static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
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bool enabled, int timeout); |
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static int rndis_set_cqm_rssi_config(struct wiphy *wiphy, |
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struct net_device *dev, |
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s32 rssi_thold, u32 rssi_hyst); |
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|
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static const struct cfg80211_ops rndis_config_ops = { |
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.change_virtual_intf = rndis_change_virtual_intf, |
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.scan = rndis_scan, |
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.set_wiphy_params = rndis_set_wiphy_params, |
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.set_tx_power = rndis_set_tx_power, |
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.get_tx_power = rndis_get_tx_power, |
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.connect = rndis_connect, |
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.disconnect = rndis_disconnect, |
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.join_ibss = rndis_join_ibss, |
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.leave_ibss = rndis_leave_ibss, |
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.add_key = rndis_add_key, |
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.del_key = rndis_del_key, |
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.set_default_key = rndis_set_default_key, |
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.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) |
|
eth_zero_addr(bssid); |
|
|
|
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]; |
|
|
|
if (!priv->radio_on) |
|
return false; |
|
|
|
return (get_bssid(usbdev, bssid) == 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 == -1 || 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 = 1000 * |
|
ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ); |
|
|
|
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); |
|
eth_broadcast_addr(priv->encr_keys[index].bssid); |
|
|
|
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) |
|
eth_broadcast_addr(ndis_key.bssid); |
|
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 |
|
eth_broadcast_addr(priv->encr_keys[index].bssid); |
|
|
|
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, |
|
ha->addr, 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 = struct_size(pmkids, bssid_info, max_pmkids); |
|
|
|
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 = struct_size(pmkids, bssid_info, num_pmkids); |
|
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, 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--; |
|
pmkids->length = cpu_to_le32(struct_size(pmkids, bssid_info, count)); |
|
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 = struct_size(pmkids, bssid_info, count + 1); |
|
|
|
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, |
|
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, |
|
CFG80211_BSS_FTYPE_UNKNOWN, 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; |
|
struct cfg80211_scan_info info = {}; |
|
int ret; |
|
|
|
netdev_dbg(usbdev->net, "get_scan_results\n"); |
|
|
|
if (!priv->scan_request) |
|
return; |
|
|
|
ret = rndis_check_bssid_list(usbdev, NULL, NULL); |
|
|
|
info.aborted = ret < 0; |
|
cfg80211_scan_done(priv->scan_request, &info); |
|
|
|
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; |
|
eth_zero_addr(priv->bssid); |
|
|
|
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; |
|
eth_zero_addr(priv->bssid); |
|
|
|
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 |= BIT_ULL(NL80211_STA_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 |= BIT_ULL(NL80211_STA_INFO_SIGNAL); |
|
} |
|
} |
|
|
|
static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev, |
|
const 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, |
|
CFG80211_BSS_FTYPE_UNKNOWN, 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 { |
|
struct cfg80211_roam_info roam_info = { |
|
.channel = get_current_channel(usbdev, NULL), |
|
.bssid = bssid, |
|
.req_ie = req_ie, |
|
.req_ie_len = req_ie_len, |
|
.resp_ie = resp_ie, |
|
.resp_ie_len = resp_ie_len, |
|
}; |
|
|
|
cfg80211_roamed(usbdev->net, &roam_info, GFP_KERNEL); |
|
} |
|
} else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC) |
|
cfg80211_ibss_joined(usbdev->net, bssid, |
|
get_current_channel(usbdev, NULL), |
|
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; |
|
eth_zero_addr(priv->bssid); |
|
|
|
deauthenticate(usbdev); |
|
|
|
cfg80211_disconnected(usbdev->net, 0, NULL, 0, true, 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; |
|
if (buflen < le32_to_cpu(auth_req->length)) |
|
return; |
|
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; |
|
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) { |
|
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 */ |
|
len = sizeof(caps); |
|
retval = rndis_query_oid(usbdev, |
|
RNDIS_OID_802_11_CAPABILITY, |
|
&caps, &len); |
|
if (!retval) { |
|
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, rssi, 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_get_stats64 = dev_get_tstats64, |
|
.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"); |
|
if (!priv->workqueue) { |
|
wiphy_free(wiphy); |
|
return -ENOMEM; |
|
} |
|
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. |
|
*/ |
|
usbdev->net->netdev_ops = &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[NL80211_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) { |
|
struct cfg80211_scan_info info = { |
|
.aborted = true, |
|
}; |
|
|
|
cfg80211_scan_done(priv->scan_request, &info); |
|
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, |
|
.disable_hub_initiated_lpm = 1, |
|
}; |
|
|
|
module_usb_driver(rndis_wlan_driver); |
|
|
|
MODULE_AUTHOR("Bjorge Dijkstra"); |
|
MODULE_AUTHOR("Jussi Kivilinna"); |
|
MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters"); |
|
MODULE_LICENSE("GPL"); |
|
|
|
|