| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jussi Kivilinna | 15699 | 89.73% | 84 | 58.33% |
| John W. Linville | 509 | 2.91% | 3 | 2.08% |
| Joe Perches | 452 | 2.58% | 5 | 3.47% |
| Scott Ashcroft | 152 | 0.87% | 1 | 0.69% |
| Linus Walleij | 124 | 0.71% | 3 | 2.08% |
| Jiri Pirko | 104 | 0.59% | 5 | 3.47% |
| Johannes Berg | 102 | 0.58% | 15 | 10.42% |
| Dan Carpenter | 82 | 0.47% | 6 | 4.17% |
| Avraham Stern | 71 | 0.41% | 2 | 1.39% |
| David S. Miller | 43 | 0.25% | 1 | 0.69% |
| Juuso Oikarinen | 27 | 0.15% | 1 | 0.69% |
| Gustavo A. R. Silva | 20 | 0.11% | 1 | 0.69% |
| Pan Bian | 18 | 0.10% | 1 | 0.69% |
| Wang Chen | 18 | 0.10% | 1 | 0.69% |
| Eric Dumazet | 17 | 0.10% | 1 | 0.69% |
| Alexey Khoroshilov | 11 | 0.06% | 1 | 0.69% |
| Roel Kluin | 8 | 0.05% | 1 | 0.69% |
| Antonio Quartulli | 7 | 0.04% | 1 | 0.69% |
| Sage Sharp | 5 | 0.03% | 1 | 0.69% |
| Greg Ungerer | 5 | 0.03% | 1 | 0.69% |
| Zhao, Gang | 4 | 0.02% | 1 | 0.69% |
| Harvey Harrison | 4 | 0.02% | 1 | 0.69% |
| Tejun Heo | 3 | 0.02% | 1 | 0.69% |
| Andrzej Hajda | 3 | 0.02% | 1 | 0.69% |
| Thomas Gleixner | 2 | 0.01% | 1 | 0.69% |
| Omer Efrat | 2 | 0.01% | 1 | 0.69% |
| Andrzej Zaborowski | 2 | 0.01% | 1 | 0.69% |
| Jouni Malinen | 1 | 0.01% | 1 | 0.69% |
| Greg Kroah-Hartman | 1 | 0.01% | 1 | 0.69% |
| Total | 17496 | 144 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for RNDIS based wireless USB devices. * * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net> * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@iki.fi> * * Portions of this file are based on NDISwrapper project, * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani * http://ndiswrapper.sourceforge.net/ */ // #define DEBUG // error path messages, extra info // #define VERBOSE // more; success messages #include <linux/module.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/workqueue.h> #include <linux/mutex.h> #include <linux/mii.h> #include <linux/usb.h> #include <linux/usb/cdc.h> #include <linux/ieee80211.h> #include <linux/if_arp.h> #include <linux/ctype.h> #include <linux/spinlock.h> #include <linux/slab.h> #include <net/cfg80211.h> #include <linux/usb/usbnet.h> #include <linux/usb/rndis_host.h> /* NOTE: All these are settings for Broadcom chipset */ static char modparam_country[4] = "EU"; module_param_string(country, modparam_country, 4, 0444); MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU"); static int modparam_frameburst = 1; module_param_named(frameburst, modparam_frameburst, int, 0444); MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)"); static int modparam_afterburner = 0; module_param_named(afterburner, modparam_afterburner, int, 0444); MODULE_PARM_DESC(afterburner, "enable afterburner aka '125 High Speed Mode' (default: off)"); static int modparam_power_save = 0; module_param_named(power_save, modparam_power_save, int, 0444); MODULE_PARM_DESC(power_save, "set power save mode: 0=off, 1=on, 2=fast (default: off)"); static int modparam_power_output = 3; module_param_named(power_output, modparam_power_output, int, 0444); MODULE_PARM_DESC(power_output, "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)"); static int modparam_roamtrigger = -70; module_param_named(roamtrigger, modparam_roamtrigger, int, 0444); MODULE_PARM_DESC(roamtrigger, "set roaming dBm trigger: -80=optimize for distance, " "-60=bandwidth (default: -70)"); static int modparam_roamdelta = 1; module_param_named(roamdelta, modparam_roamdelta, int, 0444); MODULE_PARM_DESC(roamdelta, "set roaming tendency: 0=aggressive, 1=moderate, " "2=conservative (default: moderate)"); static int modparam_workaround_interval; module_param_named(workaround_interval, modparam_workaround_interval, int, 0444); MODULE_PARM_DESC(workaround_interval, "set stall workaround interval in msecs (0=disabled) (default: 0)"); /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */ #define WL_NOISE -96 /* typical noise level in dBm */ #define WL_SIGMAX -32 /* typical maximum signal level in dBm */ /* Assume that Broadcom 4320 (only chipset at time of writing known to be * based on wireless rndis) has default txpower of 13dBm. * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications. * 100% : 20 mW ~ 13dBm * 75% : 15 mW ~ 12dBm * 50% : 10 mW ~ 10dBm * 25% : 5 mW ~ 7dBm */ #define BCM4320_DEFAULT_TXPOWER_DBM_100 13 #define BCM4320_DEFAULT_TXPOWER_DBM_75 12 #define BCM4320_DEFAULT_TXPOWER_DBM_50 10 #define BCM4320_DEFAULT_TXPOWER_DBM_25 7 /* Known device types */ #define RNDIS_UNKNOWN 0 #define RNDIS_BCM4320A 1 #define RNDIS_BCM4320B 2 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c * slightly modified for datatype endianess, etc */ #define NDIS_802_11_LENGTH_SSID 32 #define NDIS_802_11_LENGTH_RATES 8 #define NDIS_802_11_LENGTH_RATES_EX 16 enum ndis_80211_net_type { NDIS_80211_TYPE_FREQ_HOP, NDIS_80211_TYPE_DIRECT_SEQ, NDIS_80211_TYPE_OFDM_A, NDIS_80211_TYPE_OFDM_G }; enum ndis_80211_net_infra { NDIS_80211_INFRA_ADHOC, NDIS_80211_INFRA_INFRA, NDIS_80211_INFRA_AUTO_UNKNOWN }; enum ndis_80211_auth_mode { NDIS_80211_AUTH_OPEN, NDIS_80211_AUTH_SHARED, NDIS_80211_AUTH_AUTO_SWITCH, NDIS_80211_AUTH_WPA, NDIS_80211_AUTH_WPA_PSK, NDIS_80211_AUTH_WPA_NONE, NDIS_80211_AUTH_WPA2, NDIS_80211_AUTH_WPA2_PSK }; enum ndis_80211_encr_status { NDIS_80211_ENCR_WEP_ENABLED, NDIS_80211_ENCR_DISABLED, NDIS_80211_ENCR_WEP_KEY_ABSENT, NDIS_80211_ENCR_NOT_SUPPORTED, NDIS_80211_ENCR_TKIP_ENABLED, NDIS_80211_ENCR_TKIP_KEY_ABSENT, NDIS_80211_ENCR_CCMP_ENABLED, NDIS_80211_ENCR_CCMP_KEY_ABSENT }; enum ndis_80211_priv_filter { NDIS_80211_PRIV_ACCEPT_ALL, NDIS_80211_PRIV_8021X_WEP }; enum ndis_80211_status_type { NDIS_80211_STATUSTYPE_AUTHENTICATION, NDIS_80211_STATUSTYPE_MEDIASTREAMMODE, NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST, NDIS_80211_STATUSTYPE_RADIOSTATE, }; enum ndis_80211_media_stream_mode { NDIS_80211_MEDIA_STREAM_OFF, NDIS_80211_MEDIA_STREAM_ON }; enum ndis_80211_radio_status { NDIS_80211_RADIO_STATUS_ON, NDIS_80211_RADIO_STATUS_HARDWARE_OFF, NDIS_80211_RADIO_STATUS_SOFTWARE_OFF, }; enum ndis_80211_addkey_bits { NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28), NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29), NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30), NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31) }; enum ndis_80211_addwep_bits { NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30), NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31) }; enum ndis_80211_power_mode { NDIS_80211_POWER_MODE_CAM, NDIS_80211_POWER_MODE_MAX_PSP, NDIS_80211_POWER_MODE_FAST_PSP, }; enum ndis_80211_pmkid_cand_list_flag_bits { NDIS_80211_PMKID_CAND_PREAUTH = cpu_to_le32(1 << 0) }; struct ndis_80211_auth_request { __le32 length; u8 bssid[ETH_ALEN]; u8 padding[2]; __le32 flags; } __packed; struct ndis_80211_pmkid_candidate { u8 bssid[ETH_ALEN]; u8 padding[2]; __le32 flags; } __packed; struct ndis_80211_pmkid_cand_list { __le32 version; __le32 num_candidates; struct ndis_80211_pmkid_candidate candidate_list[0]; } __packed; struct ndis_80211_status_indication { __le32 status_type; union { __le32 media_stream_mode; __le32 radio_status; struct ndis_80211_auth_request auth_request[0]; struct ndis_80211_pmkid_cand_list cand_list; } u; } __packed; struct ndis_80211_ssid { __le32 length; u8 essid[NDIS_802_11_LENGTH_SSID]; } __packed; struct ndis_80211_conf_freq_hop { __le32 length; __le32 hop_pattern; __le32 hop_set; __le32 dwell_time; } __packed; struct ndis_80211_conf { __le32 length; __le32 beacon_period; __le32 atim_window; __le32 ds_config; struct ndis_80211_conf_freq_hop fh_config; } __packed; struct ndis_80211_bssid_ex { __le32 length; u8 mac[ETH_ALEN]; u8 padding[2]; struct ndis_80211_ssid ssid; __le32 privacy; __le32 rssi; __le32 net_type; struct ndis_80211_conf config; __le32 net_infra; u8 rates[NDIS_802_11_LENGTH_RATES_EX]; __le32 ie_length; u8 ies[0]; } __packed; struct ndis_80211_bssid_list_ex { __le32 num_items; struct ndis_80211_bssid_ex bssid[0]; } __packed; struct ndis_80211_fixed_ies { u8 timestamp[8]; __le16 beacon_interval; __le16 capabilities; } __packed; struct ndis_80211_wep_key { __le32 size; __le32 index; __le32 length; u8 material[32]; } __packed; struct ndis_80211_key { __le32 size; __le32 index; __le32 length; u8 bssid[ETH_ALEN]; u8 padding[6]; u8 rsc[8]; u8 material[32]; } __packed; struct ndis_80211_remove_key { __le32 size; __le32 index; u8 bssid[ETH_ALEN]; u8 padding[2]; } __packed; struct ndis_config_param { __le32 name_offs; __le32 name_length; __le32 type; __le32 value_offs; __le32 value_length; } __packed; struct ndis_80211_assoc_info { __le32 length; __le16 req_ies; struct req_ie { __le16 capa; __le16 listen_interval; u8 cur_ap_address[ETH_ALEN]; } req_ie; __le32 req_ie_length; __le32 offset_req_ies; __le16 resp_ies; struct resp_ie { __le16 capa; __le16 status_code; __le16 assoc_id; } resp_ie; __le32 resp_ie_length; __le32 offset_resp_ies; } __packed; struct ndis_80211_auth_encr_pair { __le32 auth_mode; __le32 encr_mode; } __packed; struct ndis_80211_capability { __le32 length; __le32 version; __le32 num_pmkids; __le32 num_auth_encr_pair; struct ndis_80211_auth_encr_pair auth_encr_pair[0]; } __packed; struct ndis_80211_bssid_info { u8 bssid[ETH_ALEN]; u8 pmkid[16]; } __packed; struct ndis_80211_pmkid { __le32 length; __le32 bssid_info_count; struct ndis_80211_bssid_info bssid_info[0]; } __packed; /* * private data */ #define CAP_MODE_80211A 1 #define CAP_MODE_80211B 2 #define CAP_MODE_80211G 4 #define CAP_MODE_MASK 7 #define WORK_LINK_UP 0 #define WORK_LINK_DOWN 1 #define WORK_SET_MULTICAST_LIST 2 #define RNDIS_WLAN_ALG_NONE 0 #define RNDIS_WLAN_ALG_WEP (1<<0) #define RNDIS_WLAN_ALG_TKIP (1<<1) #define RNDIS_WLAN_ALG_CCMP (1<<2) #define RNDIS_WLAN_NUM_KEYS 4 #define RNDIS_WLAN_KEY_MGMT_NONE 0 #define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0) #define RNDIS_WLAN_KEY_MGMT_PSK (1<<1) #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set)) static const struct ieee80211_channel rndis_channels[] = { { .center_freq = 2412 }, { .center_freq = 2417 }, { .center_freq = 2422 }, { .center_freq = 2427 }, { .center_freq = 2432 }, { .center_freq = 2437 }, { .center_freq = 2442 }, { .center_freq = 2447 }, { .center_freq = 2452 }, { .center_freq = 2457 }, { .center_freq = 2462 }, { .center_freq = 2467 }, { .center_freq = 2472 }, { .center_freq = 2484 }, }; static const struct ieee80211_rate rndis_rates[] = { { .bitrate = 10 }, { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, { .bitrate = 60 }, { .bitrate = 90 }, { .bitrate = 120 }, { .bitrate = 180 }, { .bitrate = 240 }, { .bitrate = 360 }, { .bitrate = 480 }, { .bitrate = 540 } }; static const u32 rndis_cipher_suites[] = { WLAN_CIPHER_SUITE_WEP40, WLAN_CIPHER_SUITE_WEP104, WLAN_CIPHER_SUITE_TKIP, WLAN_CIPHER_SUITE_CCMP, }; struct rndis_wlan_encr_key { int len; u32 cipher; u8 material[32]; u8 bssid[ETH_ALEN]; bool pairwise; bool tx_key; }; /* RNDIS device private data */ struct rndis_wlan_private { struct usbnet *usbdev; struct wireless_dev wdev; struct cfg80211_scan_request *scan_request; struct workqueue_struct *workqueue; struct delayed_work dev_poller_work; struct delayed_work scan_work; struct work_struct work; struct mutex command_lock; unsigned long work_pending; int last_qual; s32 cqm_rssi_thold; u32 cqm_rssi_hyst; int last_cqm_event_rssi; struct ieee80211_supported_band band; struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)]; struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)]; u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)]; int device_type; int caps; int multicast_size; /* module parameters */ char param_country[4]; int param_frameburst; int param_afterburner; int param_power_save; int param_power_output; int param_roamtrigger; int param_roamdelta; u32 param_workaround_interval; /* hardware state */ bool radio_on; int power_mode; int infra_mode; bool connected; u8 bssid[ETH_ALEN]; u32 current_command_oid; /* encryption stuff */ u8 encr_tx_key_index; struct rndis_wlan_encr_key encr_keys[RNDIS_WLAN_NUM_KEYS]; int wpa_version; u8 command_buffer[COMMAND_BUFFER_SIZE]; }; /* * cfg80211 ops */ static int rndis_change_virtual_intf(struct wiphy *wiphy, struct net_device *dev, enum nl80211_iftype type, struct vif_params *params); static int rndis_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request); static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed); static int rndis_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, enum nl80211_tx_power_setting type, int mbm); static int rndis_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, int *dbm); static int rndis_connect(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme); static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code); static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ibss_params *params); static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev); static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool pairwise, const u8 *mac_addr, struct key_params *params); static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool pairwise, const u8 *mac_addr); static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool unicast, bool multicast); static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_info *sinfo); static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev, int idx, u8 *mac, struct station_info *sinfo); static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_pmksa *pmksa); static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_pmksa *pmksa); static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev); static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, bool enabled, int timeout); static int rndis_set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev, s32 rssi_thold, u32 rssi_hyst); static const struct cfg80211_ops rndis_config_ops = { .change_virtual_intf = rndis_change_virtual_intf, .scan = rndis_scan, .set_wiphy_params = rndis_set_wiphy_params, .set_tx_power = rndis_set_tx_power, .get_tx_power = rndis_get_tx_power, .connect = rndis_connect, .disconnect = rndis_disconnect, .join_ibss = rndis_join_ibss, .leave_ibss = rndis_leave_ibss, .add_key = rndis_add_key, .del_key = rndis_del_key, .set_default_key = rndis_set_default_key, .get_station = rndis_get_station, .dump_station = rndis_dump_station, .set_pmksa = rndis_set_pmksa, .del_pmksa = rndis_del_pmksa, .flush_pmksa = rndis_flush_pmksa, .set_power_mgmt = rndis_set_power_mgmt, .set_cqm_rssi_config = rndis_set_cqm_rssi_config, }; static void *rndis_wiphy_privid = &rndis_wiphy_privid; static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev) { return (struct rndis_wlan_private *)dev->driver_priv; } static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv) { switch (priv->param_power_output) { default: case 3: return BCM4320_DEFAULT_TXPOWER_DBM_100; case 2: return BCM4320_DEFAULT_TXPOWER_DBM_75; case 1: return BCM4320_DEFAULT_TXPOWER_DBM_50; case 0: return BCM4320_DEFAULT_TXPOWER_DBM_25; } } static bool is_wpa_key(struct rndis_wlan_private *priv, u8 idx) { int cipher = priv->encr_keys[idx].cipher; return (cipher == WLAN_CIPHER_SUITE_CCMP || cipher == WLAN_CIPHER_SUITE_TKIP); } static int rndis_cipher_to_alg(u32 cipher) { switch (cipher) { default: return RNDIS_WLAN_ALG_NONE; case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: return RNDIS_WLAN_ALG_WEP; case WLAN_CIPHER_SUITE_TKIP: return RNDIS_WLAN_ALG_TKIP; case WLAN_CIPHER_SUITE_CCMP: return RNDIS_WLAN_ALG_CCMP; } } static int rndis_akm_suite_to_key_mgmt(u32 akm_suite) { switch (akm_suite) { default: return RNDIS_WLAN_KEY_MGMT_NONE; case WLAN_AKM_SUITE_8021X: return RNDIS_WLAN_KEY_MGMT_802_1X; case WLAN_AKM_SUITE_PSK: return RNDIS_WLAN_KEY_MGMT_PSK; } } #ifdef DEBUG static const char *oid_to_string(u32 oid) { switch (oid) { #define OID_STR(oid) case oid: return(#oid) /* from rndis_host.h */ OID_STR(RNDIS_OID_802_3_PERMANENT_ADDRESS); OID_STR(RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE); OID_STR(RNDIS_OID_GEN_CURRENT_PACKET_FILTER); OID_STR(RNDIS_OID_GEN_PHYSICAL_MEDIUM); /* from rndis_wlan.c */ OID_STR(RNDIS_OID_GEN_LINK_SPEED); OID_STR(RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER); OID_STR(RNDIS_OID_GEN_XMIT_OK); OID_STR(RNDIS_OID_GEN_RCV_OK); OID_STR(RNDIS_OID_GEN_XMIT_ERROR); OID_STR(RNDIS_OID_GEN_RCV_ERROR); OID_STR(RNDIS_OID_GEN_RCV_NO_BUFFER); OID_STR(RNDIS_OID_802_3_CURRENT_ADDRESS); OID_STR(RNDIS_OID_802_3_MULTICAST_LIST); OID_STR(RNDIS_OID_802_3_MAXIMUM_LIST_SIZE); OID_STR(RNDIS_OID_802_11_BSSID); OID_STR(RNDIS_OID_802_11_SSID); OID_STR(RNDIS_OID_802_11_INFRASTRUCTURE_MODE); OID_STR(RNDIS_OID_802_11_ADD_WEP); OID_STR(RNDIS_OID_802_11_REMOVE_WEP); OID_STR(RNDIS_OID_802_11_DISASSOCIATE); OID_STR(RNDIS_OID_802_11_AUTHENTICATION_MODE); OID_STR(RNDIS_OID_802_11_PRIVACY_FILTER); OID_STR(RNDIS_OID_802_11_BSSID_LIST_SCAN); OID_STR(RNDIS_OID_802_11_ENCRYPTION_STATUS); OID_STR(RNDIS_OID_802_11_ADD_KEY); OID_STR(RNDIS_OID_802_11_REMOVE_KEY); OID_STR(RNDIS_OID_802_11_ASSOCIATION_INFORMATION); OID_STR(RNDIS_OID_802_11_CAPABILITY); OID_STR(RNDIS_OID_802_11_PMKID); OID_STR(RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED); OID_STR(RNDIS_OID_802_11_NETWORK_TYPE_IN_USE); OID_STR(RNDIS_OID_802_11_TX_POWER_LEVEL); OID_STR(RNDIS_OID_802_11_RSSI); OID_STR(RNDIS_OID_802_11_RSSI_TRIGGER); OID_STR(RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD); OID_STR(RNDIS_OID_802_11_RTS_THRESHOLD); OID_STR(RNDIS_OID_802_11_SUPPORTED_RATES); OID_STR(RNDIS_OID_802_11_CONFIGURATION); OID_STR(RNDIS_OID_802_11_POWER_MODE); OID_STR(RNDIS_OID_802_11_BSSID_LIST); #undef OID_STR } return "?"; } #else static const char *oid_to_string(u32 oid) { return "?"; } #endif /* translate error code */ static int rndis_error_status(__le32 rndis_status) { int ret = -EINVAL; switch (le32_to_cpu(rndis_status)) { case RNDIS_STATUS_SUCCESS: ret = 0; break; case RNDIS_STATUS_FAILURE: case RNDIS_STATUS_INVALID_DATA: ret = -EINVAL; break; case RNDIS_STATUS_NOT_SUPPORTED: ret = -EOPNOTSUPP; break; case RNDIS_STATUS_ADAPTER_NOT_READY: case RNDIS_STATUS_ADAPTER_NOT_OPEN: ret = -EBUSY; break; } return ret; } static int rndis_query_oid(struct usbnet *dev, u32 oid, void *data, int *len) { struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev); union { void *buf; struct rndis_msg_hdr *header; struct rndis_query *get; struct rndis_query_c *get_c; } u; int ret, buflen; int resplen, respoffs, copylen; buflen = *len + sizeof(*u.get); if (buflen < CONTROL_BUFFER_SIZE) buflen = CONTROL_BUFFER_SIZE; if (buflen > COMMAND_BUFFER_SIZE) { u.buf = kmalloc(buflen, GFP_KERNEL); if (!u.buf) return -ENOMEM; } else { u.buf = priv->command_buffer; } mutex_lock(&priv->command_lock); memset(u.get, 0, sizeof *u.get); u.get->msg_type = cpu_to_le32(RNDIS_MSG_QUERY); u.get->msg_len = cpu_to_le32(sizeof *u.get); u.get->oid = cpu_to_le32(oid); priv->current_command_oid = oid; ret = rndis_command(dev, u.header, buflen); priv->current_command_oid = 0; if (ret < 0) netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n", __func__, oid_to_string(oid), ret, le32_to_cpu(u.get_c->status)); if (ret == 0) { resplen = le32_to_cpu(u.get_c->len); respoffs = le32_to_cpu(u.get_c->offset) + 8; if (respoffs > buflen) { /* Device returned data offset outside buffer, error. */ netdev_dbg(dev->net, "%s(%s): received invalid " "data offset: %d > %d\n", __func__, oid_to_string(oid), respoffs, buflen); ret = -EINVAL; goto exit_unlock; } if ((resplen + respoffs) > buflen) { /* Device would have returned more data if buffer would * have been big enough. Copy just the bits that we got. */ copylen = buflen - respoffs; } else { copylen = resplen; } if (copylen > *len) copylen = *len; memcpy(data, u.buf + respoffs, copylen); *len = resplen; ret = rndis_error_status(u.get_c->status); if (ret < 0) netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n", __func__, oid_to_string(oid), le32_to_cpu(u.get_c->status), ret); } exit_unlock: mutex_unlock(&priv->command_lock); if (u.buf != priv->command_buffer) kfree(u.buf); return ret; } static int rndis_set_oid(struct usbnet *dev, u32 oid, const void *data, int len) { struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev); union { void *buf; struct rndis_msg_hdr *header; struct rndis_set *set; struct rndis_set_c *set_c; } u; int ret, buflen; buflen = len + sizeof(*u.set); if (buflen < CONTROL_BUFFER_SIZE) buflen = CONTROL_BUFFER_SIZE; if (buflen > COMMAND_BUFFER_SIZE) { u.buf = kmalloc(buflen, GFP_KERNEL); if (!u.buf) return -ENOMEM; } else { u.buf = priv->command_buffer; } mutex_lock(&priv->command_lock); memset(u.set, 0, sizeof *u.set); u.set->msg_type = cpu_to_le32(RNDIS_MSG_SET); u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len); u.set->oid = cpu_to_le32(oid); u.set->len = cpu_to_le32(len); u.set->offset = cpu_to_le32(sizeof(*u.set) - 8); u.set->handle = cpu_to_le32(0); memcpy(u.buf + sizeof(*u.set), data, len); priv->current_command_oid = oid; ret = rndis_command(dev, u.header, buflen); priv->current_command_oid = 0; if (ret < 0) netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n", __func__, oid_to_string(oid), ret, le32_to_cpu(u.set_c->status)); if (ret == 0) { ret = rndis_error_status(u.set_c->status); if (ret < 0) netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n", __func__, oid_to_string(oid), le32_to_cpu(u.set_c->status), ret); } mutex_unlock(&priv->command_lock); if (u.buf != priv->command_buffer) kfree(u.buf); return ret; } static int rndis_reset(struct usbnet *usbdev) { struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); struct rndis_reset *reset; int ret; mutex_lock(&priv->command_lock); reset = (void *)priv->command_buffer; memset(reset, 0, sizeof(*reset)); reset->msg_type = cpu_to_le32(RNDIS_MSG_RESET); reset->msg_len = cpu_to_le32(sizeof(*reset)); priv->current_command_oid = 0; ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE); mutex_unlock(&priv->command_lock); if (ret < 0) return ret; return 0; } /* * Specs say that we can only set config parameters only soon after device * initialization. * value_type: 0 = u32, 2 = unicode string */ static int rndis_set_config_parameter(struct usbnet *dev, char *param, int value_type, void *value) { struct ndis_config_param *infobuf; int value_len, info_len, param_len, ret, i; __le16 *unibuf; __le32 *dst_value; if (value_type == 0) value_len = sizeof(__le32); else if (value_type == 2) value_len = strlen(value) * sizeof(__le16); else return -EINVAL; param_len = strlen(param) * sizeof(__le16); info_len = sizeof(*infobuf) + param_len + value_len; #ifdef DEBUG info_len += 12; #endif infobuf = kmalloc(info_len, GFP_KERNEL); if (!infobuf) return -ENOMEM; #ifdef DEBUG info_len -= 12; /* extra 12 bytes are for padding (debug output) */ memset(infobuf, 0xCC, info_len + 12); #endif if (value_type == 2) netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n", param, (u8 *)value); else netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n", param, *(u32 *)value); infobuf->name_offs = cpu_to_le32(sizeof(*infobuf)); infobuf->name_length = cpu_to_le32(param_len); infobuf->type = cpu_to_le32(value_type); infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len); infobuf->value_length = cpu_to_le32(value_len); /* simple string to unicode string conversion */ unibuf = (void *)infobuf + sizeof(*infobuf); for (i = 0; i < param_len / sizeof(__le16); i++) unibuf[i] = cpu_to_le16(param[i]); if (value_type == 2) { unibuf = (void *)infobuf + sizeof(*infobuf) + param_len; for (i = 0; i < value_len / sizeof(__le16); i++) unibuf[i] = cpu_to_le16(((u8 *)value)[i]); } else { dst_value = (void *)infobuf + sizeof(*infobuf) + param_len; *dst_value = cpu_to_le32(*(u32 *)value); } #ifdef DEBUG netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len); for (i = 0; i < info_len; i += 12) { u32 *tmp = (u32 *)((u8 *)infobuf + i); netdev_dbg(dev->net, "%08X:%08X:%08X\n", cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]), cpu_to_be32(tmp[2])); } #endif ret = rndis_set_oid(dev, RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER, infobuf, info_len); if (ret != 0) netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n", ret); kfree(infobuf); return ret; } static int rndis_set_config_parameter_str(struct usbnet *dev, char *param, char *value) { return rndis_set_config_parameter(dev, param, 2, value); } /* * data conversion functions */ static int level_to_qual(int level) { int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE); return qual >= 0 ? (qual <= 100 ? qual : 100) : 0; } /* * common functions */ static int set_infra_mode(struct usbnet *usbdev, int mode); static void restore_keys(struct usbnet *usbdev); static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid, bool *matched); static int rndis_start_bssid_list_scan(struct usbnet *usbdev) { __le32 tmp; /* Note: RNDIS_OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */ tmp = cpu_to_le32(1); return rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST_SCAN, &tmp, sizeof(tmp)); } static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) { struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); int ret; ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_SSID, ssid, sizeof(*ssid)); if (ret < 0) { netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret); return ret; } if (ret == 0) { priv->radio_on = true; netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__); } return ret; } static int set_bssid(struct usbnet *usbdev, const u8 *bssid) { int ret; ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID, bssid, ETH_ALEN); if (ret < 0) { netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n", bssid, ret); return ret; } return ret; } static int clear_bssid(struct usbnet *usbdev) { static const u8 broadcast_mac[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; return set_bssid(usbdev, broadcast_mac); } static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) { int ret, len; len = ETH_ALEN; ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID, bssid, &len); if (ret != 0) 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]; int ret; if (!priv->radio_on) return false; ret = get_bssid(usbdev, bssid); return (ret == 0 && !is_zero_ether_addr(bssid)); } static int disassociate(struct usbnet *usbdev, bool reset_ssid) { struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); struct ndis_80211_ssid ssid; int i, ret = 0; if (priv->radio_on) { ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_DISASSOCIATE, NULL, 0); if (ret == 0) { priv->radio_on = false; netdev_dbg(usbdev->net, "%s(): radio_on = false\n", __func__); if (reset_ssid) msleep(100); } } /* disassociate causes radio to be turned off; if reset_ssid * is given, set random ssid to enable radio */ if (reset_ssid) { /* Set device to infrastructure mode so we don't get ad-hoc * 'media connect' indications with the random ssid. */ set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA); ssid.length = cpu_to_le32(sizeof(ssid.essid)); get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2); ssid.essid[0] = 0x1; ssid.essid[1] = 0xff; for (i = 2; i < sizeof(ssid.essid); i++) ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff); ret = set_essid(usbdev, &ssid); } return ret; } static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version, enum nl80211_auth_type auth_type, int keymgmt) { struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); __le32 tmp; int auth_mode, ret; netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n", __func__, wpa_version, auth_type, keymgmt); if (wpa_version & NL80211_WPA_VERSION_2) { if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X) auth_mode = NDIS_80211_AUTH_WPA2; else auth_mode = NDIS_80211_AUTH_WPA2_PSK; } else if (wpa_version & NL80211_WPA_VERSION_1) { if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X) auth_mode = NDIS_80211_AUTH_WPA; else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK) auth_mode = NDIS_80211_AUTH_WPA_PSK; else auth_mode = NDIS_80211_AUTH_WPA_NONE; } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY) auth_mode = NDIS_80211_AUTH_SHARED; else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) auth_mode = NDIS_80211_AUTH_OPEN; else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC) auth_mode = NDIS_80211_AUTH_AUTO_SWITCH; else return -ENOTSUPP; tmp = cpu_to_le32(auth_mode); ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_AUTHENTICATION_MODE, &tmp, sizeof(tmp)); if (ret != 0) { netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n", ret); return ret; } priv->wpa_version = wpa_version; return 0; } static int set_priv_filter(struct usbnet *usbdev) { struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); __le32 tmp; netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n", __func__, priv->wpa_version); if (priv->wpa_version & NL80211_WPA_VERSION_2 || priv->wpa_version & NL80211_WPA_VERSION_1) tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP); else tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL); return rndis_set_oid(usbdev, RNDIS_OID_802_11_PRIVACY_FILTER, &tmp, sizeof(tmp)); } static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise) { __le32 tmp; int encr_mode, ret; netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n", __func__, pairwise, groupwise); if (pairwise & RNDIS_WLAN_ALG_CCMP) encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; else if (pairwise & RNDIS_WLAN_ALG_TKIP) encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; else if (pairwise & RNDIS_WLAN_ALG_WEP) encr_mode = NDIS_80211_ENCR_WEP_ENABLED; else if (groupwise & RNDIS_WLAN_ALG_CCMP) encr_mode = NDIS_80211_ENCR_CCMP_ENABLED; else if (groupwise & RNDIS_WLAN_ALG_TKIP) encr_mode = NDIS_80211_ENCR_TKIP_ENABLED; else encr_mode = NDIS_80211_ENCR_DISABLED; tmp = cpu_to_le32(encr_mode); ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_ENCRYPTION_STATUS, &tmp, sizeof(tmp)); if (ret != 0) { netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n", ret); return ret; } return 0; } static int set_infra_mode(struct usbnet *usbdev, int mode) { struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); __le32 tmp; int ret; netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n", __func__, priv->infra_mode); tmp = cpu_to_le32(mode); ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_INFRASTRUCTURE_MODE, &tmp, sizeof(tmp)); if (ret != 0) { netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n", ret); return ret; } /* NDIS drivers clear keys when infrastructure mode is * changed. But Linux tools assume otherwise. So set the * keys */ restore_keys(usbdev); priv->infra_mode = mode; return 0; } static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold) { __le32 tmp; netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold); if (rts_threshold == -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; u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16]; int len, retval, i, n; struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); /* determine supported modes */ len = sizeof(networks_supported); retval = rndis_query_oid(usbdev, RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED, &networks_supported, &len); if (retval >= 0) { n = le32_to_cpu(networks_supported.num_items); if (n > 8) n = 8; for (i = 0; i < n; i++) { switch (le32_to_cpu(networks_supported.items[i])) { case NDIS_80211_TYPE_FREQ_HOP: case NDIS_80211_TYPE_DIRECT_SEQ: priv->caps |= CAP_MODE_80211B; break; case NDIS_80211_TYPE_OFDM_A: priv->caps |= CAP_MODE_80211A; break; case NDIS_80211_TYPE_OFDM_G: priv->caps |= CAP_MODE_80211G; break; } } } /* get device 802.11 capabilities, number of PMKIDs */ caps = (struct ndis_80211_capability *)caps_buf; len = sizeof(caps_buf); retval = rndis_query_oid(usbdev, RNDIS_OID_802_11_CAPABILITY, caps, &len); if (retval >= 0) { netdev_dbg(usbdev->net, "RNDIS_OID_802_11_CAPABILITY -> len %d, " "ver %d, pmkids %d, auth-encr-pairs %d\n", le32_to_cpu(caps->length), le32_to_cpu(caps->version), le32_to_cpu(caps->num_pmkids), le32_to_cpu(caps->num_auth_encr_pair)); wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids); } else wiphy->max_num_pmkids = 0; return retval; } static void rndis_do_cqm(struct usbnet *usbdev, s32 rssi) { struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); enum nl80211_cqm_rssi_threshold_event event; int thold, hyst, last_event; if (priv->cqm_rssi_thold >= 0 || rssi >= 0) return; if (priv->infra_mode != NDIS_80211_INFRA_INFRA) return; last_event = priv->last_cqm_event_rssi; thold = priv->cqm_rssi_thold; hyst = priv->cqm_rssi_hyst; if (rssi < thold && (last_event == 0 || rssi < last_event - hyst)) event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; else if (rssi > thold && (last_event == 0 || rssi > last_event + hyst)) event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; else return; priv->last_cqm_event_rssi = rssi; cfg80211_cqm_rssi_notify(usbdev->net, event, 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 = usbnet_get_stats64, .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");
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