driver.h revision 96be6222df414a7dde5c5b1b72df22e67b1a77fc
116c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek/* 216c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek * Driver interface definition 316c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi> 416c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek * 516c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek * This software may be distributed under the terms of the BSD license. 616c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek * See README for more details. 716c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek * 816c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek * This file defines a driver interface used by both %wpa_supplicant and 916c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek * hostapd. The first part of the file defines data structures used in various 102e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * driver operations. This is followed by the struct wpa_driver_ops that each 112e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * driver wrapper will beed to define with callback functions for requesting 122e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * driver operations. After this, there are definitions for driver event 1316c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek * reporting with wpa_supplicant_event() and some convenience helper functions 1416c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek * that can be used to report events. 1516c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek */ 1616c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek 177eaa8ae8692c5cd3eed8cb334fe5346470522091Douglas Gregor#ifndef DRIVER_H 1816c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek#define DRIVER_H 19283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor 20283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor#define WPA_SUPPLICANT_DRIVER_VERSION 4 21edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek 2216c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek#include "common/defs.h" 2316c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek#include "utils/list.h" 2416c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek 255bfb8c128c2ac8eb4032afc180cdc400a0f953caDouglas Gregor#define HOSTAPD_CHAN_DISABLED 0x00000001 265bfb8c128c2ac8eb4032afc180cdc400a0f953caDouglas Gregor#define HOSTAPD_CHAN_PASSIVE_SCAN 0x00000002 275bfb8c128c2ac8eb4032afc180cdc400a0f953caDouglas Gregor#define HOSTAPD_CHAN_NO_IBSS 0x00000004 285bfb8c128c2ac8eb4032afc180cdc400a0f953caDouglas Gregor#define HOSTAPD_CHAN_RADAR 0x00000008 2916c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek#define HOSTAPD_CHAN_HT40PLUS 0x00000010 3016c440a377b7ec8b722a2e2c7c864f75c95bd305Ted Kremenek#define HOSTAPD_CHAN_HT40MINUS 0x00000020 31edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek#define HOSTAPD_CHAN_HT40 0x00000040 3254d67caeee4fdce81f07163832f1163d5f2af5d2Daniel Dunbar#define HOSTAPD_CHAN_SURVEY_LIST_INITIALIZED 0x00000080 33edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek 3470ee54258035c860ebc71f7e5f803b74f3186889Ted Kremenek#define HOSTAPD_CHAN_DFS_UNKNOWN 0x00000000 3570ee54258035c860ebc71f7e5f803b74f3186889Ted Kremenek#define HOSTAPD_CHAN_DFS_USABLE 0x00000100 3670ee54258035c860ebc71f7e5f803b74f3186889Ted Kremenek#define HOSTAPD_CHAN_DFS_UNAVAILABLE 0x00000200 37edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek#define HOSTAPD_CHAN_DFS_AVAILABLE 0x00000300 38b699866820102a69d83d6ac6941985c5ef4e8c40Douglas Gregor#define HOSTAPD_CHAN_DFS_MASK 0x00000300 39edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek 40b699866820102a69d83d6ac6941985c5ef4e8c40Douglas Gregor#define HOSTAPD_CHAN_VHT_10_70 0x00000800 4170ee54258035c860ebc71f7e5f803b74f3186889Ted Kremenek#define HOSTAPD_CHAN_VHT_30_50 0x00001000 4270ee54258035c860ebc71f7e5f803b74f3186889Ted Kremenek#define HOSTAPD_CHAN_VHT_50_30 0x00002000 43301221313be4f97327e931ead9794dd3a8bce160Douglas Gregor#define HOSTAPD_CHAN_VHT_70_10 0x00004000 446483a773db4d0ea3ab15de5801abe504c1dbc204Ted Kremenek 456483a773db4d0ea3ab15de5801abe504c1dbc204Ted Kremenekenum reg_change_initiator { 46301221313be4f97327e931ead9794dd3a8bce160Douglas Gregor REGDOM_SET_BY_CORE, 47b699866820102a69d83d6ac6941985c5ef4e8c40Douglas Gregor REGDOM_SET_BY_USER, 48edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek REGDOM_SET_BY_DRIVER, 4970ee54258035c860ebc71f7e5f803b74f3186889Ted Kremenek REGDOM_SET_BY_COUNTRY_IE, 5070ee54258035c860ebc71f7e5f803b74f3186889Ted Kremenek REGDOM_BEACON_HINT, 5170ee54258035c860ebc71f7e5f803b74f3186889Ted Kremenek}; 5270ee54258035c860ebc71f7e5f803b74f3186889Ted Kremenek 538bd5a69999cfd06b6b5a58fdd04e4f802b2df5a4Ted Kremenek/** 5410fa3ccf087e167123fdb0a5e1313c7106c3c1fcTed Kremenek * struct hostapd_channel_data - Channel information 55edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek */ 5670ee54258035c860ebc71f7e5f803b74f3186889Ted Kremenekstruct hostapd_channel_data { 57edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek /** 58edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek * chan - Channel number (IEEE 802.11) 598f06e0e9fec3ca501e5fb129f413adbfc88e82f8Ted Kremenek */ 60edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek short chan; 61edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek 62edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek /** 63465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara * freq - Frequency in MHz 64465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara */ 65465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara int freq; 66465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 67edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek /** 68edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek * flag - Channel flags (HOSTAPD_CHAN_*) 69301221313be4f97327e931ead9794dd3a8bce160Douglas Gregor */ 70301221313be4f97327e931ead9794dd3a8bce160Douglas Gregor int flag; 71edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek 72edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek /** 73edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek * max_tx_power - Regulatory transmit power limit in dBm 74edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek */ 75edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek u8 max_tx_power; 76edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek 77e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek /* 78e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek * survey_list - Linked list of surveys 79e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek */ 80e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek struct dl_list survey_list; 81387475d0c18aaeb022108de9d33b6c9fb7998843Sean Hunt 82387475d0c18aaeb022108de9d33b6c9fb7998843Sean Hunt /** 83387475d0c18aaeb022108de9d33b6c9fb7998843Sean Hunt * min_nf - Minimum observed noise floor, in dBm, based on all 84e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek * surveyed channel data 85e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek */ 86e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek s8 min_nf; 87e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek 88e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek#ifdef CONFIG_ACS 89e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek /** 90e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek * interference_factor - Computed interference factor on this 91e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek * channel (used internally in src/ap/acs.c; driver wrappers do not 92e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek * need to set this) 93e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek */ 94e77f443dbca8cdc23e5aa94a2653367e4a7cbe47Ted Kremenek long double interference_factor; 95b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor#endif /* CONFIG_ACS */ 9654d67caeee4fdce81f07163832f1163d5f2af5d2Daniel Dunbar}; 97b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor 985bfb8c128c2ac8eb4032afc180cdc400a0f953caDouglas Gregor#define HOSTAPD_MODE_FLAG_HT_INFO_KNOWN BIT(0) 99edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek#define HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN BIT(1) 100edc8aa68ef91aeea686c5aadf64ef902c38318ddTed Kremenek 101b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor/** 10254d67caeee4fdce81f07163832f1163d5f2af5d2Daniel Dunbar * struct hostapd_hw_modes - Supported hardware mode information 10397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 10497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregorstruct hostapd_hw_modes { 10597b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor /** 10697b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * mode - Hardware mode 10797b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 10897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor enum hostapd_hw_mode mode; 10997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 11097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor /** 11197b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * num_channels - Number of entries in the channels array 11297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 11397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor int num_channels; 11497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 11597b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor /** 11697b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * channels - Array of supported channels 11797b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 11897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor struct hostapd_channel_data *channels; 11997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 12097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor /** 12197b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * num_rates - Number of entries in the rates array 12297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 12397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor int num_rates; 12497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 12597b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor /** 12697b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * rates - Array of supported rates in 100 kbps units 12797b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 12897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor int *rates; 12997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 13097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor /** 13197b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * ht_capab - HT (IEEE 802.11n) capabilities 13297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 13397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor u16 ht_capab; 13497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 13597b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor /** 13697b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * mcs_set - MCS (IEEE 802.11n) rate parameters 13797b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 13897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor u8 mcs_set[16]; 13997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 14097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor /** 14197b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * a_mpdu_params - A-MPDU (IEEE 802.11n) parameters 14297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 14397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor u8 a_mpdu_params; 14497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 1458ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor /** 1468ecdb65716cd7914ffb2eeee993fa9039fcd31e8Douglas Gregor * vht_capab - VHT (IEEE 802.11ac) capabilities 14797b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 14897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor u32 vht_capab; 14997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 15097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor /** 15197b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * vht_mcs_set - VHT MCS (IEEE 802.11ac) rate parameters 15297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 15397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor u8 vht_mcs_set[8]; 15497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 15597b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor unsigned int flags; /* HOSTAPD_MODE_FLAG_* */ 15697b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor}; 15797b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 15897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 15997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define IEEE80211_MODE_INFRA 0 16097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define IEEE80211_MODE_IBSS 1 16197b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define IEEE80211_MODE_AP 2 16297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 16397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define IEEE80211_CAP_ESS 0x0001 16497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define IEEE80211_CAP_IBSS 0x0002 16597b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define IEEE80211_CAP_PRIVACY 0x0010 16697b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 16797b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor/* DMG (60 GHz) IEEE 802.11ad */ 16897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor/* type - bits 0..1 */ 16997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define IEEE80211_CAP_DMG_MASK 0x0003 17097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define IEEE80211_CAP_DMG_IBSS 0x0001 /* Tx by: STA */ 17197b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define IEEE80211_CAP_DMG_PBSS 0x0002 /* Tx by: PCP */ 17297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define IEEE80211_CAP_DMG_AP 0x0003 /* Tx by: AP */ 17397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 17497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define WPA_SCAN_QUAL_INVALID BIT(0) 17597b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define WPA_SCAN_NOISE_INVALID BIT(1) 17697b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define WPA_SCAN_LEVEL_INVALID BIT(2) 177ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor#define WPA_SCAN_LEVEL_DBM BIT(3) 17897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define WPA_SCAN_AUTHENTICATED BIT(4) 17997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor#define WPA_SCAN_ASSOCIATED BIT(5) 18097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 18197b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor/** 18297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * struct wpa_scan_res - Scan result for an BSS/IBSS 18397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @flags: information flags about the BSS/IBSS (WPA_SCAN_*) 18497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @bssid: BSSID 185eb60edffa147e061278c436e513b0df9b4c4e7f6Anders Carlsson * @freq: frequency of the channel in MHz (e.g., 2412 = channel 1) 18697b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @beacon_int: beacon interval in TUs (host byte order) 18797b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @caps: capability information field in host byte order 18897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @qual: signal quality 18997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @noise: noise level 19097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @level: signal level 19197b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @tsf: Timestamp 19297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @age: Age of the information in milliseconds (i.e., how many milliseconds 19397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * ago the last Beacon or Probe Response frame was received) 19497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @ie_len: length of the following IE field in octets 19597b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @beacon_ie_len: length of the following Beacon IE field in octets 19697b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * 19797b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * This structure is used as a generic format for scan results from the 19897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * driver. Each driver interface implementation is responsible for converting 19997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * the driver or OS specific scan results into this format. 20097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * 20197b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * If the driver does not support reporting all IEs, the IE data structure is 20297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * constructed of the IEs that are available. This field will also need to 20397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * include SSID in IE format. All drivers are encouraged to be extended to 20497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * report all IEs to make it easier to support future additions. 20597b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 20697b9872d5775446cb8aca1380e437649fe848d91Douglas Gregorstruct wpa_scan_res { 20797b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor unsigned int flags; 20897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor u8 bssid[ETH_ALEN]; 20997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor int freq; 21097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor u16 beacon_int; 21197b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor u16 caps; 21297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor int qual; 21397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor int noise; 21497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor int level; 21597b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor u64 tsf; 21697b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor unsigned int age; 21797b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor size_t ie_len; 21897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor size_t beacon_ie_len; 21997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor /* 22097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * Followed by ie_len octets of IEs from Probe Response frame (or if 22197b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * the driver does not indicate source of IEs, these may also be from 22297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * Beacon frame). After the first set of IEs, another set of IEs may 22397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * follow (with beacon_ie_len octets of data) if the driver provides 22497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * both IE sets. 22597b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 22697b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor}; 22797b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor 22897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor/** 22997b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * struct wpa_scan_results - Scan results 23097b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @res: Array of pointers to allocated variable length scan result entries 231b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor * @num: Number of entries in the scan result array 23297b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor * @fetch_time: Time when the results were fetched from the driver 23397b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor */ 23497b9872d5775446cb8aca1380e437649fe848d91Douglas Gregorstruct wpa_scan_results { 2352e331b938b38057e333fab0ba841130ea8467794Douglas Gregor struct wpa_scan_res **res; 236b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor size_t num; 237b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor struct os_reltime fetch_time; 23854d67caeee4fdce81f07163832f1163d5f2af5d2Daniel Dunbar}; 2392e331b938b38057e333fab0ba841130ea8467794Douglas Gregor 240b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor/** 2412e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * struct wpa_interface_info - Network interface information 2422e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * @next: Pointer to the next interface or NULL if this is the last one 2432e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * @ifname: Interface name that can be used with init() or init2() 2442e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * @desc: Human readable adapter description (e.g., vendor/model) or NULL if 2452e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * not available 2462e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * @drv_name: struct wpa_driver_ops::name (note: unlike other strings, this one 2472e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * is not an allocated copy, i.e., get_interfaces() caller will not free 2482e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * this) 2492e331b938b38057e333fab0ba841130ea8467794Douglas Gregor */ 2502e331b938b38057e333fab0ba841130ea8467794Douglas Gregorstruct wpa_interface_info { 2512e331b938b38057e333fab0ba841130ea8467794Douglas Gregor struct wpa_interface_info *next; 25278db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor char *ifname; 253b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor char *desc; 254b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor const char *drv_name; 25554d67caeee4fdce81f07163832f1163d5f2af5d2Daniel Dunbar}; 25678db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor 257b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor#define WPAS_MAX_SCAN_SSIDS 16 25878db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor 25978db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor/** 26078db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor * struct wpa_driver_scan_params - Scan parameters 26178db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor * Data for struct wpa_driver_ops::scan2(). 26278db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor */ 26378db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregorstruct wpa_driver_scan_params { 26478db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor /** 26578db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor * ssids - SSIDs to scan for 26678db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor */ 26778db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor struct wpa_driver_scan_ssid { 26878db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor /** 2691adb082a709f7b588f03672999294e061234b2cfDouglas Gregor * ssid - specific SSID to scan for (ProbeReq) 270b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor * %NULL or zero-length SSID is used to indicate active scan 271b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor * with wildcard SSID. 272ebfa339321f8a4df9d5011e591a615d5765107d5Ted Kremenek */ 273ebfa339321f8a4df9d5011e591a615d5765107d5Ted Kremenek const u8 *ssid; 274ebfa339321f8a4df9d5011e591a615d5765107d5Ted Kremenek /** 275ebfa339321f8a4df9d5011e591a615d5765107d5Ted Kremenek * ssid_len: Length of the SSID in octets 2761adb082a709f7b588f03672999294e061234b2cfDouglas Gregor */ 277b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor size_t ssid_len; 2781adb082a709f7b588f03672999294e061234b2cfDouglas Gregor } ssids[WPAS_MAX_SCAN_SSIDS]; 2791adb082a709f7b588f03672999294e061234b2cfDouglas Gregor 2801adb082a709f7b588f03672999294e061234b2cfDouglas Gregor /** 2811adb082a709f7b588f03672999294e061234b2cfDouglas Gregor * num_ssids - Number of entries in ssids array 2821adb082a709f7b588f03672999294e061234b2cfDouglas Gregor * Zero indicates a request for a passive scan. 2831adb082a709f7b588f03672999294e061234b2cfDouglas Gregor */ 2841adb082a709f7b588f03672999294e061234b2cfDouglas Gregor size_t num_ssids; 2851adb082a709f7b588f03672999294e061234b2cfDouglas Gregor 2861adb082a709f7b588f03672999294e061234b2cfDouglas Gregor /** 2871adb082a709f7b588f03672999294e061234b2cfDouglas Gregor * extra_ies - Extra IE(s) to add into Probe Request or %NULL 2881adb082a709f7b588f03672999294e061234b2cfDouglas Gregor */ 2897d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor const u8 *extra_ies; 2907d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor 29154d67caeee4fdce81f07163832f1163d5f2af5d2Daniel Dunbar /** 2927d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor * extra_ies_len - Length of extra_ies in octets 2937d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor */ 2947d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor size_t extra_ies_len; 2957d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor 2967d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor /** 2977d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor * freqs - Array of frequencies to scan or %NULL for all frequencies 2987d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor * 2997d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor * The frequency is set in MHz. The array is zero-terminated. 3007d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor */ 3017d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor int *freqs; 3027d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor 3037d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor /** 3047d0d40e58807f73e06ff5eb637a48e9f978b0e2aDouglas Gregor * filter_ssids - Filter for reporting SSIDs 3059f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor * 3069f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor * This optional parameter can be used to request the driver wrapper to 3079f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor * filter scan results to include only the specified SSIDs. %NULL 3089f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor * indicates that no filtering is to be done. This can be used to 3099f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor * reduce memory needs for scan results in environments that have large 3109f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor * number of APs with different SSIDs. 3119f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor * 3129f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor * The driver wrapper is allowed to take this allocated buffer into its 3139f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor * own use by setting the pointer to %NULL. In that case, the driver 3149f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor * wrapper is responsible for freeing the buffer with os_free() once it 3159f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor * is not needed anymore. 3169f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor */ 3179f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor struct wpa_driver_scan_filter { 3189f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor u8 ssid[32]; 3194807231938d8aff28de09f78f301f9ba5845e5e4Douglas Gregor size_t ssid_len; 3204807231938d8aff28de09f78f301f9ba5845e5e4Douglas Gregor } *filter_ssids; 3214807231938d8aff28de09f78f301f9ba5845e5e4Douglas Gregor 3224807231938d8aff28de09f78f301f9ba5845e5e4Douglas Gregor /** 323572feb2a190b5e8b04fb06c4ac50ee0f61e93ff0Douglas Gregor * num_filter_ssids - Number of entries in filter_ssids array 324572feb2a190b5e8b04fb06c4ac50ee0f61e93ff0Douglas Gregor */ 325572feb2a190b5e8b04fb06c4ac50ee0f61e93ff0Douglas Gregor size_t num_filter_ssids; 326572feb2a190b5e8b04fb06c4ac50ee0f61e93ff0Douglas Gregor 327572feb2a190b5e8b04fb06c4ac50ee0f61e93ff0Douglas Gregor /** 328572feb2a190b5e8b04fb06c4ac50ee0f61e93ff0Douglas Gregor * filter_rssi - Filter by RSSI 329572feb2a190b5e8b04fb06c4ac50ee0f61e93ff0Douglas Gregor * 330572feb2a190b5e8b04fb06c4ac50ee0f61e93ff0Douglas Gregor * The driver may filter scan results in firmware to reduce host 331572feb2a190b5e8b04fb06c4ac50ee0f61e93ff0Douglas Gregor * wakeups and thereby save power. Specify the RSSI threshold in s32 332572feb2a190b5e8b04fb06c4ac50ee0f61e93ff0Douglas Gregor * dBm. 3334ae8f298b1ea51b4c2234f9148e2e4349c9bdd23Douglas Gregor */ 3344807231938d8aff28de09f78f301f9ba5845e5e4Douglas Gregor s32 filter_rssi; 3354ae8f298b1ea51b4c2234f9148e2e4349c9bdd23Douglas Gregor 3364807231938d8aff28de09f78f301f9ba5845e5e4Douglas Gregor /** 3374807231938d8aff28de09f78f301f9ba5845e5e4Douglas Gregor * p2p_probe - Used to disable CCK (802.11b) rates for P2P probes 3384807231938d8aff28de09f78f301f9ba5845e5e4Douglas Gregor * 3394ae8f298b1ea51b4c2234f9148e2e4349c9bdd23Douglas Gregor * When set, the driver is expected to remove rates 1, 2, 5.5, and 11 3404807231938d8aff28de09f78f301f9ba5845e5e4Douglas Gregor * Mbps from the support rates element(s) in the Probe Request frames 3414ae8f298b1ea51b4c2234f9148e2e4349c9bdd23Douglas Gregor * and not to transmit the frames at any of those rates. 3429f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor */ 3439f1e3ff3b3095967e2b92b57a53524e2d6bb141cDouglas Gregor u8 p2p_probe; 344283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor 345283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor /** 346283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor * only_new_results - Request driver to report only new results 347283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor * 348283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor * This is used to request the driver to report only BSSes that have 349283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor * been detected after this scan request has been started, i.e., to 350283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor * flush old cached BSS entries. 351283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor */ 352283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor int only_new_results; 35378db0cdd49ec24034a5b2a4210fcda03a0919a81Douglas Gregor 3541adb082a709f7b588f03672999294e061234b2cfDouglas Gregor /* 3551adb082a709f7b588f03672999294e061234b2cfDouglas Gregor * NOTE: Whenever adding new parameters here, please make sure 3562e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * wpa_scan_clone_params() and wpa_scan_free_params() get updated with 3572e331b938b38057e333fab0ba841130ea8467794Douglas Gregor * matching changes. 358283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor */ 359283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor}; 360283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor 36195f33555a6d51b6537a9ed3968c3d1c2e4991b51Ted Kremenek/** 36295f33555a6d51b6537a9ed3968c3d1c2e4991b51Ted Kremenek * struct wpa_driver_auth_params - Authentication parameters 36395f33555a6d51b6537a9ed3968c3d1c2e4991b51Ted Kremenek * Data for struct wpa_driver_ops::authenticate(). 36495f33555a6d51b6537a9ed3968c3d1c2e4991b51Ted Kremenek */ 365f46034af49435a4d1a0085a4738343122aeb6521Douglas Gregorstruct wpa_driver_auth_params { 366b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor int freq; 367b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor const u8 *bssid; 36897b9872d5775446cb8aca1380e437649fe848d91Douglas Gregor const u8 *ssid; 369b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor size_t ssid_len; 370b2cd48756119f4d8d2a865b4b3e0e8efd02e26a0Douglas Gregor int auth_alg; 371283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor const u8 *ie; 372283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor size_t ie_len; 373283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor const u8 *wep_key[4]; 374283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor size_t wep_key_len[4]; 375283cae37b03047c14ef918503bc46b08405c3b69Douglas Gregor int wep_tx_keyidx; 3762e331b938b38057e333fab0ba841130ea8467794Douglas Gregor int local_state_change; 377 378 /** 379 * p2p - Whether this connection is a P2P group 380 */ 381 int p2p; 382 383 const u8 *sae_data; 384 size_t sae_data_len; 385 386}; 387 388enum wps_mode { 389 WPS_MODE_NONE /* no WPS provisioning being used */, 390 WPS_MODE_OPEN /* WPS provisioning with AP that is in open mode */, 391 WPS_MODE_PRIVACY /* WPS provisioning with AP that is using protection 392 */ 393}; 394 395/** 396 * struct wpa_driver_associate_params - Association parameters 397 * Data for struct wpa_driver_ops::associate(). 398 */ 399struct wpa_driver_associate_params { 400 /** 401 * bssid - BSSID of the selected AP 402 * This can be %NULL, if ap_scan=2 mode is used and the driver is 403 * responsible for selecting with which BSS to associate. */ 404 const u8 *bssid; 405 406 /** 407 * bssid_hint - BSSID of a proposed AP 408 * 409 * This indicates which BSS has been found a suitable candidate for 410 * initial association for drivers that use driver/firmwate-based BSS 411 * selection. Unlike the @bssid parameter, @bssid_hint does not limit 412 * the driver from selecting other BSSes in the ESS. 413 */ 414 const u8 *bssid_hint; 415 416 /** 417 * ssid - The selected SSID 418 */ 419 const u8 *ssid; 420 421 /** 422 * ssid_len - Length of the SSID (1..32) 423 */ 424 size_t ssid_len; 425 426 /** 427 * freq - Frequency of the channel the selected AP is using 428 * Frequency that the selected AP is using (in MHz as 429 * reported in the scan results) 430 */ 431 int freq; 432 433 /** 434 * freq_hint - Frequency of the channel the proposed AP is using 435 * 436 * This provides a channel on which a suitable BSS has been found as a 437 * hint for the driver. Unlike the @freq parameter, @freq_hint does not 438 * limit the driver from selecting other channels for 439 * driver/firmware-based BSS selection. 440 */ 441 int freq_hint; 442 443 /** 444 * bg_scan_period - Background scan period in seconds, 0 to disable 445 * background scan, or -1 to indicate no change to default driver 446 * configuration 447 */ 448 int bg_scan_period; 449 450 /** 451 * wpa_ie - WPA information element for (Re)Association Request 452 * WPA information element to be included in (Re)Association 453 * Request (including information element id and length). Use 454 * of this WPA IE is optional. If the driver generates the WPA 455 * IE, it can use pairwise_suite, group_suite, and 456 * key_mgmt_suite to select proper algorithms. In this case, 457 * the driver has to notify wpa_supplicant about the used WPA 458 * IE by generating an event that the interface code will 459 * convert into EVENT_ASSOCINFO data (see below). 460 * 461 * When using WPA2/IEEE 802.11i, wpa_ie is used for RSN IE 462 * instead. The driver can determine which version is used by 463 * looking at the first byte of the IE (0xdd for WPA, 0x30 for 464 * WPA2/RSN). 465 * 466 * When using WPS, wpa_ie is used for WPS IE instead of WPA/RSN IE. 467 */ 468 const u8 *wpa_ie; 469 470 /** 471 * wpa_ie_len - length of the wpa_ie 472 */ 473 size_t wpa_ie_len; 474 475 /** 476 * wpa_proto - Bitfield of WPA_PROTO_* values to indicate WPA/WPA2 477 */ 478 unsigned int wpa_proto; 479 480 /** 481 * pairwise_suite - Selected pairwise cipher suite (WPA_CIPHER_*) 482 * 483 * This is usually ignored if @wpa_ie is used. 484 */ 485 unsigned int pairwise_suite; 486 487 /** 488 * group_suite - Selected group cipher suite (WPA_CIPHER_*) 489 * 490 * This is usually ignored if @wpa_ie is used. 491 */ 492 unsigned int group_suite; 493 494 /** 495 * key_mgmt_suite - Selected key management suite (WPA_KEY_MGMT_*) 496 * 497 * This is usually ignored if @wpa_ie is used. 498 */ 499 unsigned int key_mgmt_suite; 500 501 /** 502 * auth_alg - Allowed authentication algorithms 503 * Bit field of WPA_AUTH_ALG_* 504 */ 505 int auth_alg; 506 507 /** 508 * mode - Operation mode (infra/ibss) IEEE80211_MODE_* 509 */ 510 int mode; 511 512 /** 513 * wep_key - WEP keys for static WEP configuration 514 */ 515 const u8 *wep_key[4]; 516 517 /** 518 * wep_key_len - WEP key length for static WEP configuration 519 */ 520 size_t wep_key_len[4]; 521 522 /** 523 * wep_tx_keyidx - WEP TX key index for static WEP configuration 524 */ 525 int wep_tx_keyidx; 526 527 /** 528 * mgmt_frame_protection - IEEE 802.11w management frame protection 529 */ 530 enum mfp_options mgmt_frame_protection; 531 532 /** 533 * ft_ies - IEEE 802.11r / FT information elements 534 * If the supplicant is using IEEE 802.11r (FT) and has the needed keys 535 * for fast transition, this parameter is set to include the IEs that 536 * are to be sent in the next FT Authentication Request message. 537 * update_ft_ies() handler is called to update the IEs for further 538 * FT messages in the sequence. 539 * 540 * The driver should use these IEs only if the target AP is advertising 541 * the same mobility domain as the one included in the MDIE here. 542 * 543 * In ap_scan=2 mode, the driver can use these IEs when moving to a new 544 * AP after the initial association. These IEs can only be used if the 545 * target AP is advertising support for FT and is using the same MDIE 546 * and SSID as the current AP. 547 * 548 * The driver is responsible for reporting the FT IEs received from the 549 * AP's response using wpa_supplicant_event() with EVENT_FT_RESPONSE 550 * type. update_ft_ies() handler will then be called with the FT IEs to 551 * include in the next frame in the authentication sequence. 552 */ 553 const u8 *ft_ies; 554 555 /** 556 * ft_ies_len - Length of ft_ies in bytes 557 */ 558 size_t ft_ies_len; 559 560 /** 561 * ft_md - FT Mobility domain (6 octets) (also included inside ft_ies) 562 * 563 * This value is provided to allow the driver interface easier access 564 * to the current mobility domain. This value is set to %NULL if no 565 * mobility domain is currently active. 566 */ 567 const u8 *ft_md; 568 569 /** 570 * passphrase - RSN passphrase for PSK 571 * 572 * This value is made available only for WPA/WPA2-Personal (PSK) and 573 * only for drivers that set WPA_DRIVER_FLAGS_4WAY_HANDSHAKE. This is 574 * the 8..63 character ASCII passphrase, if available. Please note that 575 * this can be %NULL if passphrase was not used to generate the PSK. In 576 * that case, the psk field must be used to fetch the PSK. 577 */ 578 const char *passphrase; 579 580 /** 581 * psk - RSN PSK (alternative for passphrase for PSK) 582 * 583 * This value is made available only for WPA/WPA2-Personal (PSK) and 584 * only for drivers that set WPA_DRIVER_FLAGS_4WAY_HANDSHAKE. This is 585 * the 32-octet (256-bit) PSK, if available. The driver wrapper should 586 * be prepared to handle %NULL value as an error. 587 */ 588 const u8 *psk; 589 590 /** 591 * drop_unencrypted - Enable/disable unencrypted frame filtering 592 * 593 * Configure the driver to drop all non-EAPOL frames (both receive and 594 * transmit paths). Unencrypted EAPOL frames (ethertype 0x888e) must 595 * still be allowed for key negotiation. 596 */ 597 int drop_unencrypted; 598 599 /** 600 * prev_bssid - Previously used BSSID in this ESS 601 * 602 * When not %NULL, this is a request to use reassociation instead of 603 * association. 604 */ 605 const u8 *prev_bssid; 606 607 /** 608 * wps - WPS mode 609 * 610 * If the driver needs to do special configuration for WPS association, 611 * this variable provides more information on what type of association 612 * is being requested. Most drivers should not need ot use this. 613 */ 614 enum wps_mode wps; 615 616 /** 617 * p2p - Whether this connection is a P2P group 618 */ 619 int p2p; 620 621 /** 622 * uapsd - UAPSD parameters for the network 623 * -1 = do not change defaults 624 * AP mode: 1 = enabled, 0 = disabled 625 * STA mode: bits 0..3 UAPSD enabled for VO,VI,BK,BE 626 */ 627 int uapsd; 628 629 /** 630 * fixed_bssid - Whether to force this BSSID in IBSS mode 631 * 1 = Fix this BSSID and prevent merges. 632 * 0 = Do not fix BSSID. 633 */ 634 int fixed_bssid; 635 636 /** 637 * disable_ht - Disable HT (IEEE 802.11n) for this connection 638 */ 639 int disable_ht; 640 641 /** 642 * HT Capabilities over-rides. Only bits set in the mask will be used, 643 * and not all values are used by the kernel anyway. Currently, MCS, 644 * MPDU and MSDU fields are used. 645 */ 646 const u8 *htcaps; /* struct ieee80211_ht_capabilities * */ 647 const u8 *htcaps_mask; /* struct ieee80211_ht_capabilities * */ 648 649#ifdef CONFIG_VHT_OVERRIDES 650 /** 651 * disable_vht - Disable VHT for this connection 652 */ 653 int disable_vht; 654 655 /** 656 * VHT capability overrides. 657 */ 658 const struct ieee80211_vht_capabilities *vhtcaps; 659 const struct ieee80211_vht_capabilities *vhtcaps_mask; 660#endif /* CONFIG_VHT_OVERRIDES */ 661}; 662 663enum hide_ssid { 664 NO_SSID_HIDING, 665 HIDDEN_SSID_ZERO_LEN, 666 HIDDEN_SSID_ZERO_CONTENTS 667}; 668 669struct wpa_driver_ap_params { 670 /** 671 * head - Beacon head from IEEE 802.11 header to IEs before TIM IE 672 */ 673 u8 *head; 674 675 /** 676 * head_len - Length of the head buffer in octets 677 */ 678 size_t head_len; 679 680 /** 681 * tail - Beacon tail following TIM IE 682 */ 683 u8 *tail; 684 685 /** 686 * tail_len - Length of the tail buffer in octets 687 */ 688 size_t tail_len; 689 690 /** 691 * dtim_period - DTIM period 692 */ 693 int dtim_period; 694 695 /** 696 * beacon_int - Beacon interval 697 */ 698 int beacon_int; 699 700 /** 701 * basic_rates: -1 terminated array of basic rates in 100 kbps 702 * 703 * This parameter can be used to set a specific basic rate set for the 704 * BSS. If %NULL, default basic rate set is used. 705 */ 706 int *basic_rates; 707 708 /** 709 * proberesp - Probe Response template 710 * 711 * This is used by drivers that reply to Probe Requests internally in 712 * AP mode and require the full Probe Response template. 713 */ 714 u8 *proberesp; 715 716 /** 717 * proberesp_len - Length of the proberesp buffer in octets 718 */ 719 size_t proberesp_len; 720 721 /** 722 * ssid - The SSID to use in Beacon/Probe Response frames 723 */ 724 const u8 *ssid; 725 726 /** 727 * ssid_len - Length of the SSID (1..32) 728 */ 729 size_t ssid_len; 730 731 /** 732 * hide_ssid - Whether to hide the SSID 733 */ 734 enum hide_ssid hide_ssid; 735 736 /** 737 * pairwise_ciphers - WPA_CIPHER_* bitfield 738 */ 739 unsigned int pairwise_ciphers; 740 741 /** 742 * group_cipher - WPA_CIPHER_* 743 */ 744 unsigned int group_cipher; 745 746 /** 747 * key_mgmt_suites - WPA_KEY_MGMT_* bitfield 748 */ 749 unsigned int key_mgmt_suites; 750 751 /** 752 * auth_algs - WPA_AUTH_ALG_* bitfield 753 */ 754 unsigned int auth_algs; 755 756 /** 757 * wpa_version - WPA_PROTO_* bitfield 758 */ 759 unsigned int wpa_version; 760 761 /** 762 * privacy - Whether privacy is used in the BSS 763 */ 764 int privacy; 765 766 /** 767 * beacon_ies - WPS/P2P IE(s) for Beacon frames 768 * 769 * This is used to add IEs like WPS IE and P2P IE by drivers that do 770 * not use the full Beacon template. 771 */ 772 const struct wpabuf *beacon_ies; 773 774 /** 775 * proberesp_ies - P2P/WPS IE(s) for Probe Response frames 776 * 777 * This is used to add IEs like WPS IE and P2P IE by drivers that 778 * reply to Probe Request frames internally. 779 */ 780 const struct wpabuf *proberesp_ies; 781 782 /** 783 * assocresp_ies - WPS IE(s) for (Re)Association Response frames 784 * 785 * This is used to add IEs like WPS IE by drivers that reply to 786 * (Re)Association Request frames internally. 787 */ 788 const struct wpabuf *assocresp_ies; 789 790 /** 791 * isolate - Whether to isolate frames between associated stations 792 * 793 * If this is non-zero, the AP is requested to disable forwarding of 794 * frames between associated stations. 795 */ 796 int isolate; 797 798 /** 799 * cts_protect - Whether CTS protection is enabled 800 */ 801 int cts_protect; 802 803 /** 804 * preamble - Whether short preamble is enabled 805 */ 806 int preamble; 807 808 /** 809 * short_slot_time - Whether short slot time is enabled 810 * 811 * 0 = short slot time disable, 1 = short slot time enabled, -1 = do 812 * not set (e.g., when 802.11g mode is not in use) 813 */ 814 int short_slot_time; 815 816 /** 817 * ht_opmode - HT operation mode or -1 if HT not in use 818 */ 819 int ht_opmode; 820 821 /** 822 * interworking - Whether Interworking is enabled 823 */ 824 int interworking; 825 826 /** 827 * hessid - Homogeneous ESS identifier or %NULL if not set 828 */ 829 const u8 *hessid; 830 831 /** 832 * access_network_type - Access Network Type (0..15) 833 * 834 * This is used for filtering Probe Request frames when Interworking is 835 * enabled. 836 */ 837 u8 access_network_type; 838 839 /** 840 * ap_max_inactivity - Timeout in seconds to detect STA's inactivity 841 * 842 * This is used by driver which advertises this capability. 843 */ 844 int ap_max_inactivity; 845 846 /** 847 * disable_dgaf - Whether group-addressed frames are disabled 848 */ 849 int disable_dgaf; 850}; 851 852/** 853 * struct wpa_driver_capa - Driver capability information 854 */ 855struct wpa_driver_capa { 856#define WPA_DRIVER_CAPA_KEY_MGMT_WPA 0x00000001 857#define WPA_DRIVER_CAPA_KEY_MGMT_WPA2 0x00000002 858#define WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK 0x00000004 859#define WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK 0x00000008 860#define WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE 0x00000010 861#define WPA_DRIVER_CAPA_KEY_MGMT_FT 0x00000020 862#define WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK 0x00000040 863#define WPA_DRIVER_CAPA_KEY_MGMT_WAPI_PSK 0x00000080 864 unsigned int key_mgmt; 865 866#define WPA_DRIVER_CAPA_ENC_WEP40 0x00000001 867#define WPA_DRIVER_CAPA_ENC_WEP104 0x00000002 868#define WPA_DRIVER_CAPA_ENC_TKIP 0x00000004 869#define WPA_DRIVER_CAPA_ENC_CCMP 0x00000008 870#define WPA_DRIVER_CAPA_ENC_WEP128 0x00000010 871#define WPA_DRIVER_CAPA_ENC_GCMP 0x00000020 872#define WPA_DRIVER_CAPA_ENC_GCMP_256 0x00000040 873#define WPA_DRIVER_CAPA_ENC_CCMP_256 0x00000080 874#define WPA_DRIVER_CAPA_ENC_BIP 0x00000100 875#define WPA_DRIVER_CAPA_ENC_BIP_GMAC_128 0x00000200 876#define WPA_DRIVER_CAPA_ENC_BIP_GMAC_256 0x00000400 877#define WPA_DRIVER_CAPA_ENC_BIP_CMAC_256 0x00000800 878 unsigned int enc; 879 880#define WPA_DRIVER_AUTH_OPEN 0x00000001 881#define WPA_DRIVER_AUTH_SHARED 0x00000002 882#define WPA_DRIVER_AUTH_LEAP 0x00000004 883 unsigned int auth; 884 885/* Driver generated WPA/RSN IE */ 886#define WPA_DRIVER_FLAGS_DRIVER_IE 0x00000001 887/* Driver needs static WEP key setup after association command */ 888#define WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC 0x00000002 889/* unused: 0x00000004 */ 890/* Driver takes care of RSN 4-way handshake internally; PMK is configured with 891 * struct wpa_driver_ops::set_key using alg = WPA_ALG_PMK */ 892#define WPA_DRIVER_FLAGS_4WAY_HANDSHAKE 0x00000008 893#define WPA_DRIVER_FLAGS_WIRED 0x00000010 894/* Driver provides separate commands for authentication and association (SME in 895 * wpa_supplicant). */ 896#define WPA_DRIVER_FLAGS_SME 0x00000020 897/* Driver supports AP mode */ 898#define WPA_DRIVER_FLAGS_AP 0x00000040 899/* Driver needs static WEP key setup after association has been completed */ 900#define WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE 0x00000080 901/* unused: 0x00000100 */ 902/* Driver supports concurrent P2P operations */ 903#define WPA_DRIVER_FLAGS_P2P_CONCURRENT 0x00000200 904/* 905 * Driver uses the initial interface as a dedicated management interface, i.e., 906 * it cannot be used for P2P group operations or non-P2P purposes. 907 */ 908#define WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE 0x00000400 909/* This interface is P2P capable (P2P GO or P2P Client) */ 910#define WPA_DRIVER_FLAGS_P2P_CAPABLE 0x00000800 911/* unused: 0x00001000 */ 912/* 913 * Driver uses the initial interface for P2P management interface and non-P2P 914 * purposes (e.g., connect to infra AP), but this interface cannot be used for 915 * P2P group operations. 916 */ 917#define WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P 0x00002000 918/* 919 * Driver is known to use sane error codes, i.e., when it indicates that 920 * something (e.g., association) fails, there was indeed a failure and the 921 * operation does not end up getting completed successfully later. 922 */ 923#define WPA_DRIVER_FLAGS_SANE_ERROR_CODES 0x00004000 924/* Driver supports off-channel TX */ 925#define WPA_DRIVER_FLAGS_OFFCHANNEL_TX 0x00008000 926/* Driver indicates TX status events for EAPOL Data frames */ 927#define WPA_DRIVER_FLAGS_EAPOL_TX_STATUS 0x00010000 928/* Driver indicates TX status events for Deauth/Disassoc frames */ 929#define WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS 0x00020000 930/* Driver supports roaming (BSS selection) in firmware */ 931#define WPA_DRIVER_FLAGS_BSS_SELECTION 0x00040000 932/* Driver supports operating as a TDLS peer */ 933#define WPA_DRIVER_FLAGS_TDLS_SUPPORT 0x00080000 934/* Driver requires external TDLS setup/teardown/discovery */ 935#define WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP 0x00100000 936/* Driver indicates support for Probe Response offloading in AP mode */ 937#define WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD 0x00200000 938/* Driver supports U-APSD in AP mode */ 939#define WPA_DRIVER_FLAGS_AP_UAPSD 0x00400000 940/* Driver supports inactivity timer in AP mode */ 941#define WPA_DRIVER_FLAGS_INACTIVITY_TIMER 0x00800000 942/* Driver expects user space implementation of MLME in AP mode */ 943#define WPA_DRIVER_FLAGS_AP_MLME 0x01000000 944/* Driver supports SAE with user space SME */ 945#define WPA_DRIVER_FLAGS_SAE 0x02000000 946/* Driver makes use of OBSS scan mechanism in wpa_supplicant */ 947#define WPA_DRIVER_FLAGS_OBSS_SCAN 0x04000000 948/* Driver supports IBSS (Ad-hoc) mode */ 949#define WPA_DRIVER_FLAGS_IBSS 0x08000000 950/* Driver supports radar detection */ 951#define WPA_DRIVER_FLAGS_RADAR 0x10000000 952/* Driver supports a dedicated interface for P2P Device */ 953#define WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE 0x20000000 954/* Driver supports QoS Mapping */ 955#define WPA_DRIVER_FLAGS_QOS_MAPPING 0x40000000 956/* Driver supports CSA in AP mode */ 957#define WPA_DRIVER_FLAGS_AP_CSA 0x80000000 958 unsigned int flags; 959 960 int max_scan_ssids; 961 int max_sched_scan_ssids; 962 int sched_scan_supported; 963 int max_match_sets; 964 965 /** 966 * max_remain_on_chan - Maximum remain-on-channel duration in msec 967 */ 968 unsigned int max_remain_on_chan; 969 970 /** 971 * max_stations - Maximum number of associated stations the driver 972 * supports in AP mode 973 */ 974 unsigned int max_stations; 975 976 /** 977 * probe_resp_offloads - Bitmap of supported protocols by the driver 978 * for Probe Response offloading. 979 */ 980/* Driver Probe Response offloading support for WPS ver. 1 */ 981#define WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS 0x00000001 982/* Driver Probe Response offloading support for WPS ver. 2 */ 983#define WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2 0x00000002 984/* Driver Probe Response offloading support for P2P */ 985#define WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P 0x00000004 986/* Driver Probe Response offloading support for IEEE 802.11u (Interworking) */ 987#define WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING 0x00000008 988 unsigned int probe_resp_offloads; 989 990 unsigned int max_acl_mac_addrs; 991 992 /** 993 * Number of supported concurrent channels 994 */ 995 unsigned int num_multichan_concurrent; 996 997 /** 998 * extended_capa - extended capabilities in driver/device 999 * 1000 * Must be allocated and freed by driver and the pointers must be 1001 * valid for the lifetime of the driver, i.e., freed in deinit() 1002 */ 1003 const u8 *extended_capa, *extended_capa_mask; 1004 unsigned int extended_capa_len; 1005}; 1006 1007 1008struct hostapd_data; 1009 1010struct hostap_sta_driver_data { 1011 unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes; 1012 unsigned long current_tx_rate; 1013 unsigned long inactive_msec; 1014 unsigned long flags; 1015 unsigned long num_ps_buf_frames; 1016 unsigned long tx_retry_failed; 1017 unsigned long tx_retry_count; 1018 int last_rssi; 1019 int last_ack_rssi; 1020}; 1021 1022struct hostapd_sta_add_params { 1023 const u8 *addr; 1024 u16 aid; 1025 u16 capability; 1026 const u8 *supp_rates; 1027 size_t supp_rates_len; 1028 u16 listen_interval; 1029 const struct ieee80211_ht_capabilities *ht_capabilities; 1030 const struct ieee80211_vht_capabilities *vht_capabilities; 1031 u32 flags; /* bitmask of WPA_STA_* flags */ 1032 int set; /* Set STA parameters instead of add */ 1033 u8 qosinfo; 1034 const u8 *ext_capab; 1035 size_t ext_capab_len; 1036 const u8 *supp_channels; 1037 size_t supp_channels_len; 1038 const u8 *supp_oper_classes; 1039 size_t supp_oper_classes_len; 1040}; 1041 1042struct hostapd_freq_params { 1043 int mode; 1044 int freq; 1045 int channel; 1046 /* for HT */ 1047 int ht_enabled; 1048 int sec_channel_offset; /* 0 = HT40 disabled, -1 = HT40 enabled, 1049 * secondary channel below primary, 1 = HT40 1050 * enabled, secondary channel above primary */ 1051 1052 /* for VHT */ 1053 int vht_enabled; 1054 1055 /* valid for both HT and VHT, center_freq2 is non-zero 1056 * only for bandwidth 80 and an 80+80 channel */ 1057 int center_freq1, center_freq2; 1058 int bandwidth; 1059}; 1060 1061struct mac_address { 1062 u8 addr[ETH_ALEN]; 1063}; 1064 1065struct hostapd_acl_params { 1066 u8 acl_policy; 1067 unsigned int num_mac_acl; 1068 struct mac_address mac_acl[0]; 1069}; 1070 1071enum wpa_driver_if_type { 1072 /** 1073 * WPA_IF_STATION - Station mode interface 1074 */ 1075 WPA_IF_STATION, 1076 1077 /** 1078 * WPA_IF_AP_VLAN - AP mode VLAN interface 1079 * 1080 * This interface shares its address and Beacon frame with the main 1081 * BSS. 1082 */ 1083 WPA_IF_AP_VLAN, 1084 1085 /** 1086 * WPA_IF_AP_BSS - AP mode BSS interface 1087 * 1088 * This interface has its own address and Beacon frame. 1089 */ 1090 WPA_IF_AP_BSS, 1091 1092 /** 1093 * WPA_IF_P2P_GO - P2P Group Owner 1094 */ 1095 WPA_IF_P2P_GO, 1096 1097 /** 1098 * WPA_IF_P2P_CLIENT - P2P Client 1099 */ 1100 WPA_IF_P2P_CLIENT, 1101 1102 /** 1103 * WPA_IF_P2P_GROUP - P2P Group interface (will become either 1104 * WPA_IF_P2P_GO or WPA_IF_P2P_CLIENT, but the role is not yet known) 1105 */ 1106 WPA_IF_P2P_GROUP, 1107 1108 /** 1109 * WPA_IF_P2P_DEVICE - P2P Device interface is used to indentify the 1110 * abstracted P2P Device function in the driver 1111 */ 1112 WPA_IF_P2P_DEVICE 1113}; 1114 1115struct wpa_init_params { 1116 void *global_priv; 1117 const u8 *bssid; 1118 const char *ifname; 1119 const u8 *ssid; 1120 size_t ssid_len; 1121 const char *test_socket; 1122 int use_pae_group_addr; 1123 char **bridge; 1124 size_t num_bridge; 1125 1126 u8 *own_addr; /* buffer for writing own MAC address */ 1127}; 1128 1129 1130struct wpa_bss_params { 1131 /** Interface name (for multi-SSID/VLAN support) */ 1132 const char *ifname; 1133 /** Whether IEEE 802.1X or WPA/WPA2 is enabled */ 1134 int enabled; 1135 1136 int wpa; 1137 int ieee802_1x; 1138 int wpa_group; 1139 int wpa_pairwise; 1140 int wpa_key_mgmt; 1141 int rsn_preauth; 1142 enum mfp_options ieee80211w; 1143}; 1144 1145#define WPA_STA_AUTHORIZED BIT(0) 1146#define WPA_STA_WMM BIT(1) 1147#define WPA_STA_SHORT_PREAMBLE BIT(2) 1148#define WPA_STA_MFP BIT(3) 1149#define WPA_STA_TDLS_PEER BIT(4) 1150 1151enum tdls_oper { 1152 TDLS_DISCOVERY_REQ, 1153 TDLS_SETUP, 1154 TDLS_TEARDOWN, 1155 TDLS_ENABLE_LINK, 1156 TDLS_DISABLE_LINK, 1157 TDLS_ENABLE, 1158 TDLS_DISABLE 1159}; 1160 1161enum wnm_oper { 1162 WNM_SLEEP_ENTER_CONFIRM, 1163 WNM_SLEEP_ENTER_FAIL, 1164 WNM_SLEEP_EXIT_CONFIRM, 1165 WNM_SLEEP_EXIT_FAIL, 1166 WNM_SLEEP_TFS_REQ_IE_ADD, /* STA requests driver to add TFS req IE */ 1167 WNM_SLEEP_TFS_REQ_IE_NONE, /* STA requests empty TFS req IE */ 1168 WNM_SLEEP_TFS_REQ_IE_SET, /* AP requests driver to set TFS req IE for 1169 * a STA */ 1170 WNM_SLEEP_TFS_RESP_IE_ADD, /* AP requests driver to add TFS resp IE 1171 * for a STA */ 1172 WNM_SLEEP_TFS_RESP_IE_NONE, /* AP requests empty TFS resp IE */ 1173 WNM_SLEEP_TFS_RESP_IE_SET, /* AP requests driver to set TFS resp IE 1174 * for a STA */ 1175 WNM_SLEEP_TFS_IE_DEL /* AP delete the TFS IE */ 1176}; 1177 1178/* enum chan_width - Channel width definitions */ 1179enum chan_width { 1180 CHAN_WIDTH_20_NOHT, 1181 CHAN_WIDTH_20, 1182 CHAN_WIDTH_40, 1183 CHAN_WIDTH_80, 1184 CHAN_WIDTH_80P80, 1185 CHAN_WIDTH_160, 1186 CHAN_WIDTH_UNKNOWN 1187}; 1188 1189/** 1190 * struct wpa_signal_info - Information about channel signal quality 1191 */ 1192struct wpa_signal_info { 1193 u32 frequency; 1194 int above_threshold; 1195 int current_signal; 1196 int avg_signal; 1197 int current_noise; 1198 int current_txrate; 1199 enum chan_width chanwidth; 1200 int center_frq1; 1201 int center_frq2; 1202}; 1203 1204/** 1205 * struct beacon_data - Beacon data 1206 * @head: Head portion of Beacon frame (before TIM IE) 1207 * @tail: Tail portion of Beacon frame (after TIM IE) 1208 * @beacon_ies: Extra information element(s) to add into Beacon frames or %NULL 1209 * @proberesp_ies: Extra information element(s) to add into Probe Response 1210 * frames or %NULL 1211 * @assocresp_ies: Extra information element(s) to add into (Re)Association 1212 * Response frames or %NULL 1213 * @probe_resp: Probe Response frame template 1214 * @head_len: Length of @head 1215 * @tail_len: Length of @tail 1216 * @beacon_ies_len: Length of beacon_ies in octets 1217 * @proberesp_ies_len: Length of proberesp_ies in octets 1218 * @proberesp_ies_len: Length of proberesp_ies in octets 1219 * @probe_resp_len: Length of probe response template (@probe_resp) 1220 */ 1221struct beacon_data { 1222 u8 *head, *tail; 1223 u8 *beacon_ies; 1224 u8 *proberesp_ies; 1225 u8 *assocresp_ies; 1226 u8 *probe_resp; 1227 1228 size_t head_len, tail_len; 1229 size_t beacon_ies_len; 1230 size_t proberesp_ies_len; 1231 size_t assocresp_ies_len; 1232 size_t probe_resp_len; 1233}; 1234 1235/** 1236 * struct csa_settings - Settings for channel switch command 1237 * @cs_count: Count in Beacon frames (TBTT) to perform the switch 1238 * @block_tx: 1 - block transmission for CSA period 1239 * @freq_params: Next channel frequency parameter 1240 * @beacon_csa: Beacon/probe resp/asooc resp info for CSA period 1241 * @beacon_after: Next beacon/probe resp/asooc resp info 1242 * @counter_offset_beacon: Offset to the count field in beacon's tail 1243 * @counter_offset_presp: Offset to the count field in probe resp. 1244 */ 1245struct csa_settings { 1246 u8 cs_count; 1247 u8 block_tx; 1248 1249 struct hostapd_freq_params freq_params; 1250 struct beacon_data beacon_csa; 1251 struct beacon_data beacon_after; 1252 1253 u16 counter_offset_beacon; 1254 u16 counter_offset_presp; 1255}; 1256 1257/** 1258 * struct wpa_driver_ops - Driver interface API definition 1259 * 1260 * This structure defines the API that each driver interface needs to implement 1261 * for core wpa_supplicant code. All driver specific functionality is captured 1262 * in this wrapper. 1263 */ 1264struct wpa_driver_ops { 1265 /** Name of the driver interface */ 1266 const char *name; 1267 /** One line description of the driver interface */ 1268 const char *desc; 1269 1270 /** 1271 * get_bssid - Get the current BSSID 1272 * @priv: private driver interface data 1273 * @bssid: buffer for BSSID (ETH_ALEN = 6 bytes) 1274 * 1275 * Returns: 0 on success, -1 on failure 1276 * 1277 * Query kernel driver for the current BSSID and copy it to bssid. 1278 * Setting bssid to 00:00:00:00:00:00 is recommended if the STA is not 1279 * associated. 1280 */ 1281 int (*get_bssid)(void *priv, u8 *bssid); 1282 1283 /** 1284 * get_ssid - Get the current SSID 1285 * @priv: private driver interface data 1286 * @ssid: buffer for SSID (at least 32 bytes) 1287 * 1288 * Returns: Length of the SSID on success, -1 on failure 1289 * 1290 * Query kernel driver for the current SSID and copy it to ssid. 1291 * Returning zero is recommended if the STA is not associated. 1292 * 1293 * Note: SSID is an array of octets, i.e., it is not nul terminated and 1294 * can, at least in theory, contain control characters (including nul) 1295 * and as such, should be processed as binary data, not a printable 1296 * string. 1297 */ 1298 int (*get_ssid)(void *priv, u8 *ssid); 1299 1300 /** 1301 * set_key - Configure encryption key 1302 * @ifname: Interface name (for multi-SSID/VLAN support) 1303 * @priv: private driver interface data 1304 * @alg: encryption algorithm (%WPA_ALG_NONE, %WPA_ALG_WEP, 1305 * %WPA_ALG_TKIP, %WPA_ALG_CCMP, %WPA_ALG_IGTK, %WPA_ALG_PMK, 1306 * %WPA_ALG_GCMP, %WPA_ALG_GCMP_256, %WPA_ALG_CCMP_256, 1307 * %WPA_ALG_BIP_GMAC_128, %WPA_ALG_BIP_GMAC_256, 1308 * %WPA_ALG_BIP_CMAC_256); 1309 * %WPA_ALG_NONE clears the key. 1310 * @addr: Address of the peer STA (BSSID of the current AP when setting 1311 * pairwise key in station mode), ff:ff:ff:ff:ff:ff for 1312 * broadcast keys, %NULL for default keys that are used both for 1313 * broadcast and unicast; when clearing keys, %NULL is used to 1314 * indicate that both the broadcast-only and default key of the 1315 * specified key index is to be cleared 1316 * @key_idx: key index (0..3), usually 0 for unicast keys; 0..4095 for 1317 * IGTK 1318 * @set_tx: configure this key as the default Tx key (only used when 1319 * driver does not support separate unicast/individual key 1320 * @seq: sequence number/packet number, seq_len octets, the next 1321 * packet number to be used for in replay protection; configured 1322 * for Rx keys (in most cases, this is only used with broadcast 1323 * keys and set to zero for unicast keys); %NULL if not set 1324 * @seq_len: length of the seq, depends on the algorithm: 1325 * TKIP: 6 octets, CCMP/GCMP: 6 octets, IGTK: 6 octets 1326 * @key: key buffer; TKIP: 16-byte temporal key, 8-byte Tx Mic key, 1327 * 8-byte Rx Mic Key 1328 * @key_len: length of the key buffer in octets (WEP: 5 or 13, 1329 * TKIP: 32, CCMP/GCMP: 16, IGTK: 16) 1330 * 1331 * Returns: 0 on success, -1 on failure 1332 * 1333 * Configure the given key for the kernel driver. If the driver 1334 * supports separate individual keys (4 default keys + 1 individual), 1335 * addr can be used to determine whether the key is default or 1336 * individual. If only 4 keys are supported, the default key with key 1337 * index 0 is used as the individual key. STA must be configured to use 1338 * it as the default Tx key (set_tx is set) and accept Rx for all the 1339 * key indexes. In most cases, WPA uses only key indexes 1 and 2 for 1340 * broadcast keys, so key index 0 is available for this kind of 1341 * configuration. 1342 * 1343 * Please note that TKIP keys include separate TX and RX MIC keys and 1344 * some drivers may expect them in different order than wpa_supplicant 1345 * is using. If the TX/RX keys are swapped, all TKIP encrypted packets 1346 * will trigger Michael MIC errors. This can be fixed by changing the 1347 * order of MIC keys by swapping te bytes 16..23 and 24..31 of the key 1348 * in driver_*.c set_key() implementation, see driver_ndis.c for an 1349 * example on how this can be done. 1350 */ 1351 int (*set_key)(const char *ifname, void *priv, enum wpa_alg alg, 1352 const u8 *addr, int key_idx, int set_tx, 1353 const u8 *seq, size_t seq_len, 1354 const u8 *key, size_t key_len); 1355 1356 /** 1357 * init - Initialize driver interface 1358 * @ctx: context to be used when calling wpa_supplicant functions, 1359 * e.g., wpa_supplicant_event() 1360 * @ifname: interface name, e.g., wlan0 1361 * 1362 * Returns: Pointer to private data, %NULL on failure 1363 * 1364 * Initialize driver interface, including event processing for kernel 1365 * driver events (e.g., associated, scan results, Michael MIC failure). 1366 * This function can allocate a private configuration data area for 1367 * @ctx, file descriptor, interface name, etc. information that may be 1368 * needed in future driver operations. If this is not used, non-NULL 1369 * value will need to be returned because %NULL is used to indicate 1370 * failure. The returned value will be used as 'void *priv' data for 1371 * all other driver_ops functions. 1372 * 1373 * The main event loop (eloop.c) of wpa_supplicant can be used to 1374 * register callback for read sockets (eloop_register_read_sock()). 1375 * 1376 * See below for more information about events and 1377 * wpa_supplicant_event() function. 1378 */ 1379 void * (*init)(void *ctx, const char *ifname); 1380 1381 /** 1382 * deinit - Deinitialize driver interface 1383 * @priv: private driver interface data from init() 1384 * 1385 * Shut down driver interface and processing of driver events. Free 1386 * private data buffer if one was allocated in init() handler. 1387 */ 1388 void (*deinit)(void *priv); 1389 1390 /** 1391 * set_param - Set driver configuration parameters 1392 * @priv: private driver interface data from init() 1393 * @param: driver specific configuration parameters 1394 * 1395 * Returns: 0 on success, -1 on failure 1396 * 1397 * Optional handler for notifying driver interface about configuration 1398 * parameters (driver_param). 1399 */ 1400 int (*set_param)(void *priv, const char *param); 1401 1402 /** 1403 * set_countermeasures - Enable/disable TKIP countermeasures 1404 * @priv: private driver interface data 1405 * @enabled: 1 = countermeasures enabled, 0 = disabled 1406 * 1407 * Returns: 0 on success, -1 on failure 1408 * 1409 * Configure TKIP countermeasures. When these are enabled, the driver 1410 * should drop all received and queued frames that are using TKIP. 1411 */ 1412 int (*set_countermeasures)(void *priv, int enabled); 1413 1414 /** 1415 * deauthenticate - Request driver to deauthenticate 1416 * @priv: private driver interface data 1417 * @addr: peer address (BSSID of the AP) 1418 * @reason_code: 16-bit reason code to be sent in the deauthentication 1419 * frame 1420 * 1421 * Returns: 0 on success, -1 on failure 1422 */ 1423 int (*deauthenticate)(void *priv, const u8 *addr, int reason_code); 1424 1425 /** 1426 * associate - Request driver to associate 1427 * @priv: private driver interface data 1428 * @params: association parameters 1429 * 1430 * Returns: 0 on success, -1 on failure 1431 */ 1432 int (*associate)(void *priv, 1433 struct wpa_driver_associate_params *params); 1434 1435 /** 1436 * add_pmkid - Add PMKSA cache entry to the driver 1437 * @priv: private driver interface data 1438 * @bssid: BSSID for the PMKSA cache entry 1439 * @pmkid: PMKID for the PMKSA cache entry 1440 * 1441 * Returns: 0 on success, -1 on failure 1442 * 1443 * This function is called when a new PMK is received, as a result of 1444 * either normal authentication or RSN pre-authentication. 1445 * 1446 * If the driver generates RSN IE, i.e., it does not use wpa_ie in 1447 * associate(), add_pmkid() can be used to add new PMKSA cache entries 1448 * in the driver. If the driver uses wpa_ie from wpa_supplicant, this 1449 * driver_ops function does not need to be implemented. Likewise, if 1450 * the driver does not support WPA, this function is not needed. 1451 */ 1452 int (*add_pmkid)(void *priv, const u8 *bssid, const u8 *pmkid); 1453 1454 /** 1455 * remove_pmkid - Remove PMKSA cache entry to the driver 1456 * @priv: private driver interface data 1457 * @bssid: BSSID for the PMKSA cache entry 1458 * @pmkid: PMKID for the PMKSA cache entry 1459 * 1460 * Returns: 0 on success, -1 on failure 1461 * 1462 * This function is called when the supplicant drops a PMKSA cache 1463 * entry for any reason. 1464 * 1465 * If the driver generates RSN IE, i.e., it does not use wpa_ie in 1466 * associate(), remove_pmkid() can be used to synchronize PMKSA caches 1467 * between the driver and wpa_supplicant. If the driver uses wpa_ie 1468 * from wpa_supplicant, this driver_ops function does not need to be 1469 * implemented. Likewise, if the driver does not support WPA, this 1470 * function is not needed. 1471 */ 1472 int (*remove_pmkid)(void *priv, const u8 *bssid, const u8 *pmkid); 1473 1474 /** 1475 * flush_pmkid - Flush PMKSA cache 1476 * @priv: private driver interface data 1477 * 1478 * Returns: 0 on success, -1 on failure 1479 * 1480 * This function is called when the supplicant drops all PMKSA cache 1481 * entries for any reason. 1482 * 1483 * If the driver generates RSN IE, i.e., it does not use wpa_ie in 1484 * associate(), remove_pmkid() can be used to synchronize PMKSA caches 1485 * between the driver and wpa_supplicant. If the driver uses wpa_ie 1486 * from wpa_supplicant, this driver_ops function does not need to be 1487 * implemented. Likewise, if the driver does not support WPA, this 1488 * function is not needed. 1489 */ 1490 int (*flush_pmkid)(void *priv); 1491 1492 /** 1493 * get_capa - Get driver capabilities 1494 * @priv: private driver interface data 1495 * 1496 * Returns: 0 on success, -1 on failure 1497 * 1498 * Get driver/firmware/hardware capabilities. 1499 */ 1500 int (*get_capa)(void *priv, struct wpa_driver_capa *capa); 1501 1502 /** 1503 * poll - Poll driver for association information 1504 * @priv: private driver interface data 1505 * 1506 * This is an option callback that can be used when the driver does not 1507 * provide event mechanism for association events. This is called when 1508 * receiving WPA EAPOL-Key messages that require association 1509 * information. The driver interface is supposed to generate associnfo 1510 * event before returning from this callback function. In addition, the 1511 * driver interface should generate an association event after having 1512 * sent out associnfo. 1513 */ 1514 void (*poll)(void *priv); 1515 1516 /** 1517 * get_ifname - Get interface name 1518 * @priv: private driver interface data 1519 * 1520 * Returns: Pointer to the interface name. This can differ from the 1521 * interface name used in init() call. Init() is called first. 1522 * 1523 * This optional function can be used to allow the driver interface to 1524 * replace the interface name with something else, e.g., based on an 1525 * interface mapping from a more descriptive name. 1526 */ 1527 const char * (*get_ifname)(void *priv); 1528 1529 /** 1530 * get_mac_addr - Get own MAC address 1531 * @priv: private driver interface data 1532 * 1533 * Returns: Pointer to own MAC address or %NULL on failure 1534 * 1535 * This optional function can be used to get the own MAC address of the 1536 * device from the driver interface code. This is only needed if the 1537 * l2_packet implementation for the OS does not provide easy access to 1538 * a MAC address. */ 1539 const u8 * (*get_mac_addr)(void *priv); 1540 1541 /** 1542 * send_eapol - Optional function for sending EAPOL packets 1543 * @priv: private driver interface data 1544 * @dest: Destination MAC address 1545 * @proto: Ethertype 1546 * @data: EAPOL packet starting with IEEE 802.1X header 1547 * @data_len: Size of the EAPOL packet 1548 * 1549 * Returns: 0 on success, -1 on failure 1550 * 1551 * This optional function can be used to override l2_packet operations 1552 * with driver specific functionality. If this function pointer is set, 1553 * l2_packet module is not used at all and the driver interface code is 1554 * responsible for receiving and sending all EAPOL packets. The 1555 * received EAPOL packets are sent to core code with EVENT_EAPOL_RX 1556 * event. The driver interface is required to implement get_mac_addr() 1557 * handler if send_eapol() is used. 1558 */ 1559 int (*send_eapol)(void *priv, const u8 *dest, u16 proto, 1560 const u8 *data, size_t data_len); 1561 1562 /** 1563 * set_operstate - Sets device operating state to DORMANT or UP 1564 * @priv: private driver interface data 1565 * @state: 0 = dormant, 1 = up 1566 * Returns: 0 on success, -1 on failure 1567 * 1568 * This is an optional function that can be used on operating systems 1569 * that support a concept of controlling network device state from user 1570 * space applications. This function, if set, gets called with 1571 * state = 1 when authentication has been completed and with state = 0 1572 * when connection is lost. 1573 */ 1574 int (*set_operstate)(void *priv, int state); 1575 1576 /** 1577 * mlme_setprotection - MLME-SETPROTECTION.request primitive 1578 * @priv: Private driver interface data 1579 * @addr: Address of the station for which to set protection (may be 1580 * %NULL for group keys) 1581 * @protect_type: MLME_SETPROTECTION_PROTECT_TYPE_* 1582 * @key_type: MLME_SETPROTECTION_KEY_TYPE_* 1583 * Returns: 0 on success, -1 on failure 1584 * 1585 * This is an optional function that can be used to set the driver to 1586 * require protection for Tx and/or Rx frames. This uses the layer 1587 * interface defined in IEEE 802.11i-2004 clause 10.3.22.1 1588 * (MLME-SETPROTECTION.request). Many drivers do not use explicit 1589 * set protection operation; instead, they set protection implicitly 1590 * based on configured keys. 1591 */ 1592 int (*mlme_setprotection)(void *priv, const u8 *addr, int protect_type, 1593 int key_type); 1594 1595 /** 1596 * get_hw_feature_data - Get hardware support data (channels and rates) 1597 * @priv: Private driver interface data 1598 * @num_modes: Variable for returning the number of returned modes 1599 * flags: Variable for returning hardware feature flags 1600 * Returns: Pointer to allocated hardware data on success or %NULL on 1601 * failure. Caller is responsible for freeing this. 1602 */ 1603 struct hostapd_hw_modes * (*get_hw_feature_data)(void *priv, 1604 u16 *num_modes, 1605 u16 *flags); 1606 1607 /** 1608 * send_mlme - Send management frame from MLME 1609 * @priv: Private driver interface data 1610 * @data: IEEE 802.11 management frame with IEEE 802.11 header 1611 * @data_len: Size of the management frame 1612 * @noack: Do not wait for this frame to be acked (disable retries) 1613 * Returns: 0 on success, -1 on failure 1614 */ 1615 int (*send_mlme)(void *priv, const u8 *data, size_t data_len, 1616 int noack); 1617 1618 /** 1619 * update_ft_ies - Update FT (IEEE 802.11r) IEs 1620 * @priv: Private driver interface data 1621 * @md: Mobility domain (2 octets) (also included inside ies) 1622 * @ies: FT IEs (MDIE, FTIE, ...) or %NULL to remove IEs 1623 * @ies_len: Length of FT IEs in bytes 1624 * Returns: 0 on success, -1 on failure 1625 * 1626 * The supplicant uses this callback to let the driver know that keying 1627 * material for FT is available and that the driver can use the 1628 * provided IEs in the next message in FT authentication sequence. 1629 * 1630 * This function is only needed for driver that support IEEE 802.11r 1631 * (Fast BSS Transition). 1632 */ 1633 int (*update_ft_ies)(void *priv, const u8 *md, const u8 *ies, 1634 size_t ies_len); 1635 1636 /** 1637 * send_ft_action - Send FT Action frame (IEEE 802.11r) 1638 * @priv: Private driver interface data 1639 * @action: Action field value 1640 * @target_ap: Target AP address 1641 * @ies: FT IEs (MDIE, FTIE, ...) (FT Request action frame body) 1642 * @ies_len: Length of FT IEs in bytes 1643 * Returns: 0 on success, -1 on failure 1644 * 1645 * The supplicant uses this callback to request the driver to transmit 1646 * an FT Action frame (action category 6) for over-the-DS fast BSS 1647 * transition. 1648 */ 1649 int (*send_ft_action)(void *priv, u8 action, const u8 *target_ap, 1650 const u8 *ies, size_t ies_len); 1651 1652 /** 1653 * get_scan_results2 - Fetch the latest scan results 1654 * @priv: private driver interface data 1655 * 1656 * Returns: Allocated buffer of scan results (caller is responsible for 1657 * freeing the data structure) on success, NULL on failure 1658 */ 1659 struct wpa_scan_results * (*get_scan_results2)(void *priv); 1660 1661 /** 1662 * set_country - Set country 1663 * @priv: Private driver interface data 1664 * @alpha2: country to which to switch to 1665 * Returns: 0 on success, -1 on failure 1666 * 1667 * This function is for drivers which support some form 1668 * of setting a regulatory domain. 1669 */ 1670 int (*set_country)(void *priv, const char *alpha2); 1671 1672 /** 1673 * get_country - Get country 1674 * @priv: Private driver interface data 1675 * @alpha2: Buffer for returning country code (at least 3 octets) 1676 * Returns: 0 on success, -1 on failure 1677 */ 1678 int (*get_country)(void *priv, char *alpha2); 1679 1680 /** 1681 * global_init - Global driver initialization 1682 * Returns: Pointer to private data (global), %NULL on failure 1683 * 1684 * This optional function is called to initialize the driver wrapper 1685 * for global data, i.e., data that applies to all interfaces. If this 1686 * function is implemented, global_deinit() will also need to be 1687 * implemented to free the private data. The driver will also likely 1688 * use init2() function instead of init() to get the pointer to global 1689 * data available to per-interface initializer. 1690 */ 1691 void * (*global_init)(void); 1692 1693 /** 1694 * global_deinit - Global driver deinitialization 1695 * @priv: private driver global data from global_init() 1696 * 1697 * Terminate any global driver related functionality and free the 1698 * global data structure. 1699 */ 1700 void (*global_deinit)(void *priv); 1701 1702 /** 1703 * init2 - Initialize driver interface (with global data) 1704 * @ctx: context to be used when calling wpa_supplicant functions, 1705 * e.g., wpa_supplicant_event() 1706 * @ifname: interface name, e.g., wlan0 1707 * @global_priv: private driver global data from global_init() 1708 * Returns: Pointer to private data, %NULL on failure 1709 * 1710 * This function can be used instead of init() if the driver wrapper 1711 * uses global data. 1712 */ 1713 void * (*init2)(void *ctx, const char *ifname, void *global_priv); 1714 1715 /** 1716 * get_interfaces - Get information about available interfaces 1717 * @global_priv: private driver global data from global_init() 1718 * Returns: Allocated buffer of interface information (caller is 1719 * responsible for freeing the data structure) on success, NULL on 1720 * failure 1721 */ 1722 struct wpa_interface_info * (*get_interfaces)(void *global_priv); 1723 1724 /** 1725 * scan2 - Request the driver to initiate scan 1726 * @priv: private driver interface data 1727 * @params: Scan parameters 1728 * 1729 * Returns: 0 on success, -1 on failure 1730 * 1731 * Once the scan results are ready, the driver should report scan 1732 * results event for wpa_supplicant which will eventually request the 1733 * results with wpa_driver_get_scan_results2(). 1734 */ 1735 int (*scan2)(void *priv, struct wpa_driver_scan_params *params); 1736 1737 /** 1738 * authenticate - Request driver to authenticate 1739 * @priv: private driver interface data 1740 * @params: authentication parameters 1741 * Returns: 0 on success, -1 on failure 1742 * 1743 * This is an optional function that can be used with drivers that 1744 * support separate authentication and association steps, i.e., when 1745 * wpa_supplicant can act as the SME. If not implemented, associate() 1746 * function is expected to take care of IEEE 802.11 authentication, 1747 * too. 1748 */ 1749 int (*authenticate)(void *priv, 1750 struct wpa_driver_auth_params *params); 1751 1752 /** 1753 * set_ap - Set Beacon and Probe Response information for AP mode 1754 * @priv: Private driver interface data 1755 * @params: Parameters to use in AP mode 1756 * 1757 * This function is used to configure Beacon template and/or extra IEs 1758 * to add for Beacon and Probe Response frames for the driver in 1759 * AP mode. The driver is responsible for building the full Beacon 1760 * frame by concatenating the head part with TIM IE generated by the 1761 * driver/firmware and finishing with the tail part. Depending on the 1762 * driver architectue, this can be done either by using the full 1763 * template or the set of additional IEs (e.g., WPS and P2P IE). 1764 * Similarly, Probe Response processing depends on the driver design. 1765 * If the driver (or firmware) takes care of replying to Probe Request 1766 * frames, the extra IEs provided here needs to be added to the Probe 1767 * Response frames. 1768 * 1769 * Returns: 0 on success, -1 on failure 1770 */ 1771 int (*set_ap)(void *priv, struct wpa_driver_ap_params *params); 1772 1773 /** 1774 * set_acl - Set ACL in AP mode 1775 * @priv: Private driver interface data 1776 * @params: Parameters to configure ACL 1777 * Returns: 0 on success, -1 on failure 1778 * 1779 * This is used only for the drivers which support MAC address ACL. 1780 */ 1781 int (*set_acl)(void *priv, struct hostapd_acl_params *params); 1782 1783 /** 1784 * hapd_init - Initialize driver interface (hostapd only) 1785 * @hapd: Pointer to hostapd context 1786 * @params: Configuration for the driver wrapper 1787 * Returns: Pointer to private data, %NULL on failure 1788 * 1789 * This function is used instead of init() or init2() when the driver 1790 * wrapper is used with hostapd. 1791 */ 1792 void * (*hapd_init)(struct hostapd_data *hapd, 1793 struct wpa_init_params *params); 1794 1795 /** 1796 * hapd_deinit - Deinitialize driver interface (hostapd only) 1797 * @priv: Private driver interface data from hapd_init() 1798 */ 1799 void (*hapd_deinit)(void *priv); 1800 1801 /** 1802 * set_ieee8021x - Enable/disable IEEE 802.1X support (AP only) 1803 * @priv: Private driver interface data 1804 * @params: BSS parameters 1805 * Returns: 0 on success, -1 on failure 1806 * 1807 * This is an optional function to configure the kernel driver to 1808 * enable/disable IEEE 802.1X support and set WPA/WPA2 parameters. This 1809 * can be left undefined (set to %NULL) if IEEE 802.1X support is 1810 * always enabled and the driver uses set_ap() to set WPA/RSN IE 1811 * for Beacon frames. 1812 * 1813 * DEPRECATED - use set_ap() instead 1814 */ 1815 int (*set_ieee8021x)(void *priv, struct wpa_bss_params *params); 1816 1817 /** 1818 * set_privacy - Enable/disable privacy (AP only) 1819 * @priv: Private driver interface data 1820 * @enabled: 1 = privacy enabled, 0 = disabled 1821 * Returns: 0 on success, -1 on failure 1822 * 1823 * This is an optional function to configure privacy field in the 1824 * kernel driver for Beacon frames. This can be left undefined (set to 1825 * %NULL) if the driver uses the Beacon template from set_ap(). 1826 * 1827 * DEPRECATED - use set_ap() instead 1828 */ 1829 int (*set_privacy)(void *priv, int enabled); 1830 1831 /** 1832 * get_seqnum - Fetch the current TSC/packet number (AP only) 1833 * @ifname: The interface name (main or virtual) 1834 * @priv: Private driver interface data 1835 * @addr: MAC address of the station or %NULL for group keys 1836 * @idx: Key index 1837 * @seq: Buffer for returning the latest used TSC/packet number 1838 * Returns: 0 on success, -1 on failure 1839 * 1840 * This function is used to fetch the last used TSC/packet number for 1841 * a TKIP, CCMP, GCMP, or BIP/IGTK key. It is mainly used with group 1842 * keys, so there is no strict requirement on implementing support for 1843 * unicast keys (i.e., addr != %NULL). 1844 */ 1845 int (*get_seqnum)(const char *ifname, void *priv, const u8 *addr, 1846 int idx, u8 *seq); 1847 1848 /** 1849 * flush - Flush all association stations (AP only) 1850 * @priv: Private driver interface data 1851 * Returns: 0 on success, -1 on failure 1852 * 1853 * This function requests the driver to disassociate all associated 1854 * stations. This function does not need to be implemented if the 1855 * driver does not process association frames internally. 1856 */ 1857 int (*flush)(void *priv); 1858 1859 /** 1860 * set_generic_elem - Add IEs into Beacon/Probe Response frames (AP) 1861 * @priv: Private driver interface data 1862 * @elem: Information elements 1863 * @elem_len: Length of the elem buffer in octets 1864 * Returns: 0 on success, -1 on failure 1865 * 1866 * This is an optional function to add information elements in the 1867 * kernel driver for Beacon and Probe Response frames. This can be left 1868 * undefined (set to %NULL) if the driver uses the Beacon template from 1869 * set_ap(). 1870 * 1871 * DEPRECATED - use set_ap() instead 1872 */ 1873 int (*set_generic_elem)(void *priv, const u8 *elem, size_t elem_len); 1874 1875 /** 1876 * read_sta_data - Fetch station data 1877 * @priv: Private driver interface data 1878 * @data: Buffer for returning station information 1879 * @addr: MAC address of the station 1880 * Returns: 0 on success, -1 on failure 1881 */ 1882 int (*read_sta_data)(void *priv, struct hostap_sta_driver_data *data, 1883 const u8 *addr); 1884 1885 /** 1886 * hapd_send_eapol - Send an EAPOL packet (AP only) 1887 * @priv: private driver interface data 1888 * @addr: Destination MAC address 1889 * @data: EAPOL packet starting with IEEE 802.1X header 1890 * @data_len: Length of the EAPOL packet in octets 1891 * @encrypt: Whether the frame should be encrypted 1892 * @own_addr: Source MAC address 1893 * @flags: WPA_STA_* flags for the destination station 1894 * 1895 * Returns: 0 on success, -1 on failure 1896 */ 1897 int (*hapd_send_eapol)(void *priv, const u8 *addr, const u8 *data, 1898 size_t data_len, int encrypt, 1899 const u8 *own_addr, u32 flags); 1900 1901 /** 1902 * sta_deauth - Deauthenticate a station (AP only) 1903 * @priv: Private driver interface data 1904 * @own_addr: Source address and BSSID for the Deauthentication frame 1905 * @addr: MAC address of the station to deauthenticate 1906 * @reason: Reason code for the Deauthentiation frame 1907 * Returns: 0 on success, -1 on failure 1908 * 1909 * This function requests a specific station to be deauthenticated and 1910 * a Deauthentication frame to be sent to it. 1911 */ 1912 int (*sta_deauth)(void *priv, const u8 *own_addr, const u8 *addr, 1913 int reason); 1914 1915 /** 1916 * sta_disassoc - Disassociate a station (AP only) 1917 * @priv: Private driver interface data 1918 * @own_addr: Source address and BSSID for the Disassociation frame 1919 * @addr: MAC address of the station to disassociate 1920 * @reason: Reason code for the Disassociation frame 1921 * Returns: 0 on success, -1 on failure 1922 * 1923 * This function requests a specific station to be disassociated and 1924 * a Disassociation frame to be sent to it. 1925 */ 1926 int (*sta_disassoc)(void *priv, const u8 *own_addr, const u8 *addr, 1927 int reason); 1928 1929 /** 1930 * sta_remove - Remove a station entry (AP only) 1931 * @priv: Private driver interface data 1932 * @addr: MAC address of the station to be removed 1933 * Returns: 0 on success, -1 on failure 1934 */ 1935 int (*sta_remove)(void *priv, const u8 *addr); 1936 1937 /** 1938 * hapd_get_ssid - Get the current SSID (AP only) 1939 * @priv: Private driver interface data 1940 * @buf: Buffer for returning the SSID 1941 * @len: Maximum length of the buffer 1942 * Returns: Length of the SSID on success, -1 on failure 1943 * 1944 * This function need not be implemented if the driver uses Beacon 1945 * template from set_ap() and does not reply to Probe Request frames. 1946 */ 1947 int (*hapd_get_ssid)(void *priv, u8 *buf, int len); 1948 1949 /** 1950 * hapd_set_ssid - Set SSID (AP only) 1951 * @priv: Private driver interface data 1952 * @buf: SSID 1953 * @len: Length of the SSID in octets 1954 * Returns: 0 on success, -1 on failure 1955 * 1956 * DEPRECATED - use set_ap() instead 1957 */ 1958 int (*hapd_set_ssid)(void *priv, const u8 *buf, int len); 1959 1960 /** 1961 * hapd_set_countermeasures - Enable/disable TKIP countermeasures (AP) 1962 * @priv: Private driver interface data 1963 * @enabled: 1 = countermeasures enabled, 0 = disabled 1964 * Returns: 0 on success, -1 on failure 1965 * 1966 * This need not be implemented if the driver does not take care of 1967 * association processing. 1968 */ 1969 int (*hapd_set_countermeasures)(void *priv, int enabled); 1970 1971 /** 1972 * sta_add - Add a station entry 1973 * @priv: Private driver interface data 1974 * @params: Station parameters 1975 * Returns: 0 on success, -1 on failure 1976 * 1977 * This function is used to add a station entry to the driver once the 1978 * station has completed association. This is only used if the driver 1979 * does not take care of association processing. 1980 * 1981 * With TDLS, this function is also used to add or set (params->set 1) 1982 * TDLS peer entries. 1983 */ 1984 int (*sta_add)(void *priv, struct hostapd_sta_add_params *params); 1985 1986 /** 1987 * get_inact_sec - Get station inactivity duration (AP only) 1988 * @priv: Private driver interface data 1989 * @addr: Station address 1990 * Returns: Number of seconds station has been inactive, -1 on failure 1991 */ 1992 int (*get_inact_sec)(void *priv, const u8 *addr); 1993 1994 /** 1995 * sta_clear_stats - Clear station statistics (AP only) 1996 * @priv: Private driver interface data 1997 * @addr: Station address 1998 * Returns: 0 on success, -1 on failure 1999 */ 2000 int (*sta_clear_stats)(void *priv, const u8 *addr); 2001 2002 /** 2003 * set_freq - Set channel/frequency (AP only) 2004 * @priv: Private driver interface data 2005 * @freq: Channel parameters 2006 * Returns: 0 on success, -1 on failure 2007 */ 2008 int (*set_freq)(void *priv, struct hostapd_freq_params *freq); 2009 2010 /** 2011 * set_rts - Set RTS threshold 2012 * @priv: Private driver interface data 2013 * @rts: RTS threshold in octets 2014 * Returns: 0 on success, -1 on failure 2015 */ 2016 int (*set_rts)(void *priv, int rts); 2017 2018 /** 2019 * set_frag - Set fragmentation threshold 2020 * @priv: Private driver interface data 2021 * @frag: Fragmentation threshold in octets 2022 * Returns: 0 on success, -1 on failure 2023 */ 2024 int (*set_frag)(void *priv, int frag); 2025 2026 /** 2027 * sta_set_flags - Set station flags (AP only) 2028 * @priv: Private driver interface data 2029 * @addr: Station address 2030 * @total_flags: Bitmap of all WPA_STA_* flags currently set 2031 * @flags_or: Bitmap of WPA_STA_* flags to add 2032 * @flags_and: Bitmap of WPA_STA_* flags to us as a mask 2033 * Returns: 0 on success, -1 on failure 2034 */ 2035 int (*sta_set_flags)(void *priv, const u8 *addr, 2036 int total_flags, int flags_or, int flags_and); 2037 2038 /** 2039 * set_tx_queue_params - Set TX queue parameters 2040 * @priv: Private driver interface data 2041 * @queue: Queue number (0 = VO, 1 = VI, 2 = BE, 3 = BK) 2042 * @aifs: AIFS 2043 * @cw_min: cwMin 2044 * @cw_max: cwMax 2045 * @burst_time: Maximum length for bursting in 0.1 msec units 2046 */ 2047 int (*set_tx_queue_params)(void *priv, int queue, int aifs, int cw_min, 2048 int cw_max, int burst_time); 2049 2050 /** 2051 * if_add - Add a virtual interface 2052 * @priv: Private driver interface data 2053 * @type: Interface type 2054 * @ifname: Interface name for the new virtual interface 2055 * @addr: Local address to use for the interface or %NULL to use the 2056 * parent interface address 2057 * @bss_ctx: BSS context for %WPA_IF_AP_BSS interfaces 2058 * @drv_priv: Pointer for overwriting the driver context or %NULL if 2059 * not allowed (applies only to %WPA_IF_AP_BSS type) 2060 * @force_ifname: Buffer for returning an interface name that the 2061 * driver ended up using if it differs from the requested ifname 2062 * @if_addr: Buffer for returning the allocated interface address 2063 * (this may differ from the requested addr if the driver cannot 2064 * change interface address) 2065 * @bridge: Bridge interface to use or %NULL if no bridge configured 2066 * @use_existing: Whether to allow existing interface to be used 2067 * Returns: 0 on success, -1 on failure 2068 */ 2069 int (*if_add)(void *priv, enum wpa_driver_if_type type, 2070 const char *ifname, const u8 *addr, void *bss_ctx, 2071 void **drv_priv, char *force_ifname, u8 *if_addr, 2072 const char *bridge, int use_existing); 2073 2074 /** 2075 * if_remove - Remove a virtual interface 2076 * @priv: Private driver interface data 2077 * @type: Interface type 2078 * @ifname: Interface name of the virtual interface to be removed 2079 * Returns: 0 on success, -1 on failure 2080 */ 2081 int (*if_remove)(void *priv, enum wpa_driver_if_type type, 2082 const char *ifname); 2083 2084 /** 2085 * set_sta_vlan - Bind a station into a specific interface (AP only) 2086 * @priv: Private driver interface data 2087 * @ifname: Interface (main or virtual BSS or VLAN) 2088 * @addr: MAC address of the associated station 2089 * @vlan_id: VLAN ID 2090 * Returns: 0 on success, -1 on failure 2091 * 2092 * This function is used to bind a station to a specific virtual 2093 * interface. It is only used if when virtual interfaces are supported, 2094 * e.g., to assign stations to different VLAN interfaces based on 2095 * information from a RADIUS server. This allows separate broadcast 2096 * domains to be used with a single BSS. 2097 */ 2098 int (*set_sta_vlan)(void *priv, const u8 *addr, const char *ifname, 2099 int vlan_id); 2100 2101 /** 2102 * commit - Optional commit changes handler (AP only) 2103 * @priv: driver private data 2104 * Returns: 0 on success, -1 on failure 2105 * 2106 * This optional handler function can be registered if the driver 2107 * interface implementation needs to commit changes (e.g., by setting 2108 * network interface up) at the end of initial configuration. If set, 2109 * this handler will be called after initial setup has been completed. 2110 */ 2111 int (*commit)(void *priv); 2112 2113 /** 2114 * send_ether - Send an ethernet packet (AP only) 2115 * @priv: private driver interface data 2116 * @dst: Destination MAC address 2117 * @src: Source MAC address 2118 * @proto: Ethertype 2119 * @data: EAPOL packet starting with IEEE 802.1X header 2120 * @data_len: Length of the EAPOL packet in octets 2121 * Returns: 0 on success, -1 on failure 2122 */ 2123 int (*send_ether)(void *priv, const u8 *dst, const u8 *src, u16 proto, 2124 const u8 *data, size_t data_len); 2125 2126 /** 2127 * set_radius_acl_auth - Notification of RADIUS ACL change 2128 * @priv: Private driver interface data 2129 * @mac: MAC address of the station 2130 * @accepted: Whether the station was accepted 2131 * @session_timeout: Session timeout for the station 2132 * Returns: 0 on success, -1 on failure 2133 */ 2134 int (*set_radius_acl_auth)(void *priv, const u8 *mac, int accepted, 2135 u32 session_timeout); 2136 2137 /** 2138 * set_radius_acl_expire - Notification of RADIUS ACL expiration 2139 * @priv: Private driver interface data 2140 * @mac: MAC address of the station 2141 * Returns: 0 on success, -1 on failure 2142 */ 2143 int (*set_radius_acl_expire)(void *priv, const u8 *mac); 2144 2145 /** 2146 * set_ap_wps_ie - Add WPS IE(s) into Beacon/Probe Response frames (AP) 2147 * @priv: Private driver interface data 2148 * @beacon: WPS IE(s) for Beacon frames or %NULL to remove extra IE(s) 2149 * @proberesp: WPS IE(s) for Probe Response frames or %NULL to remove 2150 * extra IE(s) 2151 * @assocresp: WPS IE(s) for (Re)Association Response frames or %NULL 2152 * to remove extra IE(s) 2153 * Returns: 0 on success, -1 on failure 2154 * 2155 * This is an optional function to add WPS IE in the kernel driver for 2156 * Beacon and Probe Response frames. This can be left undefined (set 2157 * to %NULL) if the driver uses the Beacon template from set_ap() 2158 * and does not process Probe Request frames. If the driver takes care 2159 * of (Re)Association frame processing, the assocresp buffer includes 2160 * WPS IE(s) that need to be added to (Re)Association Response frames 2161 * whenever a (Re)Association Request frame indicated use of WPS. 2162 * 2163 * This will also be used to add P2P IE(s) into Beacon/Probe Response 2164 * frames when operating as a GO. The driver is responsible for adding 2165 * timing related attributes (e.g., NoA) in addition to the IEs 2166 * included here by appending them after these buffers. This call is 2167 * also used to provide Probe Response IEs for P2P Listen state 2168 * operations for drivers that generate the Probe Response frames 2169 * internally. 2170 * 2171 * DEPRECATED - use set_ap() instead 2172 */ 2173 int (*set_ap_wps_ie)(void *priv, const struct wpabuf *beacon, 2174 const struct wpabuf *proberesp, 2175 const struct wpabuf *assocresp); 2176 2177 /** 2178 * set_supp_port - Set IEEE 802.1X Supplicant Port status 2179 * @priv: Private driver interface data 2180 * @authorized: Whether the port is authorized 2181 * Returns: 0 on success, -1 on failure 2182 */ 2183 int (*set_supp_port)(void *priv, int authorized); 2184 2185 /** 2186 * set_wds_sta - Bind a station into a 4-address WDS (AP only) 2187 * @priv: Private driver interface data 2188 * @addr: MAC address of the associated station 2189 * @aid: Association ID 2190 * @val: 1 = bind to 4-address WDS; 0 = unbind 2191 * @bridge_ifname: Bridge interface to use for the WDS station or %NULL 2192 * to indicate that bridge is not to be used 2193 * @ifname_wds: Buffer to return the interface name for the new WDS 2194 * station or %NULL to indicate name is not returned. 2195 * Returns: 0 on success, -1 on failure 2196 */ 2197 int (*set_wds_sta)(void *priv, const u8 *addr, int aid, int val, 2198 const char *bridge_ifname, char *ifname_wds); 2199 2200 /** 2201 * send_action - Transmit an Action frame 2202 * @priv: Private driver interface data 2203 * @freq: Frequency (in MHz) of the channel 2204 * @wait: Time to wait off-channel for a response (in ms), or zero 2205 * @dst: Destination MAC address (Address 1) 2206 * @src: Source MAC address (Address 2) 2207 * @bssid: BSSID (Address 3) 2208 * @data: Frame body 2209 * @data_len: data length in octets 2210 @ @no_cck: Whether CCK rates must not be used to transmit this frame 2211 * Returns: 0 on success, -1 on failure 2212 * 2213 * This command can be used to request the driver to transmit an action 2214 * frame to the specified destination. 2215 * 2216 * If the %WPA_DRIVER_FLAGS_OFFCHANNEL_TX flag is set, the frame will 2217 * be transmitted on the given channel and the device will wait for a 2218 * response on that channel for the given wait time. 2219 * 2220 * If the flag is not set, the wait time will be ignored. In this case, 2221 * if a remain-on-channel duration is in progress, the frame must be 2222 * transmitted on that channel; alternatively the frame may be sent on 2223 * the current operational channel (if in associated state in station 2224 * mode or while operating as an AP.) 2225 */ 2226 int (*send_action)(void *priv, unsigned int freq, unsigned int wait, 2227 const u8 *dst, const u8 *src, const u8 *bssid, 2228 const u8 *data, size_t data_len, int no_cck); 2229 2230 /** 2231 * send_action_cancel_wait - Cancel action frame TX wait 2232 * @priv: Private driver interface data 2233 * 2234 * This command cancels the wait time associated with sending an action 2235 * frame. It is only available when %WPA_DRIVER_FLAGS_OFFCHANNEL_TX is 2236 * set in the driver flags. 2237 */ 2238 void (*send_action_cancel_wait)(void *priv); 2239 2240 /** 2241 * remain_on_channel - Remain awake on a channel 2242 * @priv: Private driver interface data 2243 * @freq: Frequency (in MHz) of the channel 2244 * @duration: Duration in milliseconds 2245 * Returns: 0 on success, -1 on failure 2246 * 2247 * This command is used to request the driver to remain awake on the 2248 * specified channel for the specified duration and report received 2249 * Action frames with EVENT_RX_MGMT events. Optionally, received 2250 * Probe Request frames may also be requested to be reported by calling 2251 * probe_req_report(). These will be reported with EVENT_RX_PROBE_REQ. 2252 * 2253 * The driver may not be at the requested channel when this function 2254 * returns, i.e., the return code is only indicating whether the 2255 * request was accepted. The caller will need to wait until the 2256 * EVENT_REMAIN_ON_CHANNEL event indicates that the driver has 2257 * completed the channel change. This may take some time due to other 2258 * need for the radio and the caller should be prepared to timing out 2259 * its wait since there are no guarantees on when this request can be 2260 * executed. 2261 */ 2262 int (*remain_on_channel)(void *priv, unsigned int freq, 2263 unsigned int duration); 2264 2265 /** 2266 * cancel_remain_on_channel - Cancel remain-on-channel operation 2267 * @priv: Private driver interface data 2268 * 2269 * This command can be used to cancel a remain-on-channel operation 2270 * before its originally requested duration has passed. This could be 2271 * used, e.g., when remain_on_channel() is used to request extra time 2272 * to receive a response to an Action frame and the response is 2273 * received when there is still unneeded time remaining on the 2274 * remain-on-channel operation. 2275 */ 2276 int (*cancel_remain_on_channel)(void *priv); 2277 2278 /** 2279 * probe_req_report - Request Probe Request frames to be indicated 2280 * @priv: Private driver interface data 2281 * @report: Whether to report received Probe Request frames 2282 * Returns: 0 on success, -1 on failure (or if not supported) 2283 * 2284 * This command can be used to request the driver to indicate when 2285 * Probe Request frames are received with EVENT_RX_PROBE_REQ events. 2286 * Since this operation may require extra resources, e.g., due to less 2287 * optimal hardware/firmware RX filtering, many drivers may disable 2288 * Probe Request reporting at least in station mode. This command is 2289 * used to notify the driver when the Probe Request frames need to be 2290 * reported, e.g., during remain-on-channel operations. 2291 */ 2292 int (*probe_req_report)(void *priv, int report); 2293 2294 /** 2295 * deinit_ap - Deinitialize AP mode 2296 * @priv: Private driver interface data 2297 * Returns: 0 on success, -1 on failure (or if not supported) 2298 * 2299 * This optional function can be used to disable AP mode related 2300 * configuration. If the interface was not dynamically added, 2301 * change the driver mode to station mode to allow normal station 2302 * operations like scanning to be completed. 2303 */ 2304 int (*deinit_ap)(void *priv); 2305 2306 /** 2307 * deinit_p2p_cli - Deinitialize P2P client mode 2308 * @priv: Private driver interface data 2309 * Returns: 0 on success, -1 on failure (or if not supported) 2310 * 2311 * This optional function can be used to disable P2P client mode. If the 2312 * interface was not dynamically added, change the interface type back 2313 * to station mode. 2314 */ 2315 int (*deinit_p2p_cli)(void *priv); 2316 2317 /** 2318 * suspend - Notification on system suspend/hibernate event 2319 * @priv: Private driver interface data 2320 */ 2321 void (*suspend)(void *priv); 2322 2323 /** 2324 * resume - Notification on system resume/thaw event 2325 * @priv: Private driver interface data 2326 */ 2327 void (*resume)(void *priv); 2328 2329 /** 2330 * signal_monitor - Set signal monitoring parameters 2331 * @priv: Private driver interface data 2332 * @threshold: Threshold value for signal change events; 0 = disabled 2333 * @hysteresis: Minimum change in signal strength before indicating a 2334 * new event 2335 * Returns: 0 on success, -1 on failure (or if not supported) 2336 * 2337 * This function can be used to configure monitoring of signal strength 2338 * with the current AP. Whenever signal strength drops below the 2339 * %threshold value or increases above it, EVENT_SIGNAL_CHANGE event 2340 * should be generated assuming the signal strength has changed at 2341 * least %hysteresis from the previously indicated signal change event. 2342 */ 2343 int (*signal_monitor)(void *priv, int threshold, int hysteresis); 2344 2345 /** 2346 * send_frame - Send IEEE 802.11 frame (testing use only) 2347 * @priv: Private driver interface data 2348 * @data: IEEE 802.11 frame with IEEE 802.11 header 2349 * @data_len: Size of the frame 2350 * @encrypt: Whether to encrypt the frame (if keys are set) 2351 * Returns: 0 on success, -1 on failure 2352 * 2353 * This function is only used for debugging purposes and is not 2354 * required to be implemented for normal operations. 2355 */ 2356 int (*send_frame)(void *priv, const u8 *data, size_t data_len, 2357 int encrypt); 2358 2359 /** 2360 * shared_freq - Get operating frequency of shared interface(s) 2361 * @priv: Private driver interface data 2362 * Returns: Operating frequency in MHz, 0 if no shared operation in 2363 * use, or -1 on failure 2364 * 2365 * This command can be used to request the current operating frequency 2366 * of any virtual interface that shares the same radio to provide 2367 * information for channel selection for other virtual interfaces. 2368 */ 2369 int (*shared_freq)(void *priv); 2370 2371 /** 2372 * get_noa - Get current Notice of Absence attribute payload 2373 * @priv: Private driver interface data 2374 * @buf: Buffer for returning NoA 2375 * @buf_len: Buffer length in octets 2376 * Returns: Number of octets used in buf, 0 to indicate no NoA is being 2377 * advertized, or -1 on failure 2378 * 2379 * This function is used to fetch the current Notice of Absence 2380 * attribute value from GO. 2381 */ 2382 int (*get_noa)(void *priv, u8 *buf, size_t buf_len); 2383 2384 /** 2385 * set_noa - Set Notice of Absence parameters for GO (testing) 2386 * @priv: Private driver interface data 2387 * @count: Count 2388 * @start: Start time in ms from next TBTT 2389 * @duration: Duration in ms 2390 * Returns: 0 on success or -1 on failure 2391 * 2392 * This function is used to set Notice of Absence parameters for GO. It 2393 * is used only for testing. To disable NoA, all parameters are set to 2394 * 0. 2395 */ 2396 int (*set_noa)(void *priv, u8 count, int start, int duration); 2397 2398 /** 2399 * set_p2p_powersave - Set P2P power save options 2400 * @priv: Private driver interface data 2401 * @legacy_ps: 0 = disable, 1 = enable, 2 = maximum PS, -1 = no change 2402 * @opp_ps: 0 = disable, 1 = enable, -1 = no change 2403 * @ctwindow: 0.. = change (msec), -1 = no change 2404 * Returns: 0 on success or -1 on failure 2405 */ 2406 int (*set_p2p_powersave)(void *priv, int legacy_ps, int opp_ps, 2407 int ctwindow); 2408 2409 /** 2410 * ampdu - Enable/disable aggregation 2411 * @priv: Private driver interface data 2412 * @ampdu: 1/0 = enable/disable A-MPDU aggregation 2413 * Returns: 0 on success or -1 on failure 2414 */ 2415 int (*ampdu)(void *priv, int ampdu); 2416 2417 /** 2418 * get_radio_name - Get physical radio name for the device 2419 * @priv: Private driver interface data 2420 * Returns: Radio name or %NULL if not known 2421 * 2422 * The returned data must not be modified by the caller. It is assumed 2423 * that any interface that has the same radio name as another is 2424 * sharing the same physical radio. This information can be used to 2425 * share scan results etc. information between the virtual interfaces 2426 * to speed up various operations. 2427 */ 2428 const char * (*get_radio_name)(void *priv); 2429 2430 /** 2431 * send_tdls_mgmt - for sending TDLS management packets 2432 * @priv: private driver interface data 2433 * @dst: Destination (peer) MAC address 2434 * @action_code: TDLS action code for the mssage 2435 * @dialog_token: Dialog Token to use in the message (if needed) 2436 * @status_code: Status Code or Reason Code to use (if needed) 2437 * @buf: TDLS IEs to add to the message 2438 * @len: Length of buf in octets 2439 * Returns: 0 on success, negative (<0) on failure 2440 * 2441 * This optional function can be used to send packet to driver which is 2442 * responsible for receiving and sending all TDLS packets. 2443 */ 2444 int (*send_tdls_mgmt)(void *priv, const u8 *dst, u8 action_code, 2445 u8 dialog_token, u16 status_code, 2446 const u8 *buf, size_t len); 2447 2448 /** 2449 * tdls_oper - Ask the driver to perform high-level TDLS operations 2450 * @priv: Private driver interface data 2451 * @oper: TDLS high-level operation. See %enum tdls_oper 2452 * @peer: Destination (peer) MAC address 2453 * Returns: 0 on success, negative (<0) on failure 2454 * 2455 * This optional function can be used to send high-level TDLS commands 2456 * to the driver. 2457 */ 2458 int (*tdls_oper)(void *priv, enum tdls_oper oper, const u8 *peer); 2459 2460 /** 2461 * wnm_oper - Notify driver of the WNM frame reception 2462 * @priv: Private driver interface data 2463 * @oper: WNM operation. See %enum wnm_oper 2464 * @peer: Destination (peer) MAC address 2465 * @buf: Buffer for the driver to fill in (for getting IE) 2466 * @buf_len: Return the len of buf 2467 * Returns: 0 on success, negative (<0) on failure 2468 */ 2469 int (*wnm_oper)(void *priv, enum wnm_oper oper, const u8 *peer, 2470 u8 *buf, u16 *buf_len); 2471 2472 /** 2473 * set_qos_map - Set QoS Map 2474 * @priv: Private driver interface data 2475 * @qos_map_set: QoS Map 2476 * @qos_map_set_len: Length of QoS Map 2477 */ 2478 int (*set_qos_map)(void *priv, const u8 *qos_map_set, 2479 u8 qos_map_set_len); 2480 2481 /** 2482 * signal_poll - Get current connection information 2483 * @priv: Private driver interface data 2484 * @signal_info: Connection info structure 2485 */ 2486 int (*signal_poll)(void *priv, struct wpa_signal_info *signal_info); 2487 2488 /** 2489 * set_authmode - Set authentication algorithm(s) for static WEP 2490 * @priv: Private driver interface data 2491 * @authmode: 1=Open System, 2=Shared Key, 3=both 2492 * Returns: 0 on success, -1 on failure 2493 * 2494 * This function can be used to set authentication algorithms for AP 2495 * mode when static WEP is used. If the driver uses user space MLME/SME 2496 * implementation, there is no need to implement this function. 2497 * 2498 * DEPRECATED - use set_ap() instead 2499 */ 2500 int (*set_authmode)(void *priv, int authmode); 2501 2502#ifdef ANDROID 2503 /** 2504 * driver_cmd - Execute driver-specific command 2505 * @priv: Private driver interface data 2506 * @cmd: Command to execute 2507 * @buf: Return buffer 2508 * @buf_len: Buffer length 2509 * Returns: 0 on success, -1 on failure 2510 */ 2511 int (*driver_cmd)(void *priv, char *cmd, char *buf, size_t buf_len); 2512#endif /* ANDROID */ 2513 2514 /** 2515 * set_rekey_info - Set rekey information 2516 * @priv: Private driver interface data 2517 * @kek: Current KEK 2518 * @kck: Current KCK 2519 * @replay_ctr: Current EAPOL-Key Replay Counter 2520 * 2521 * This optional function can be used to provide information for the 2522 * driver/firmware to process EAPOL-Key frames in Group Key Handshake 2523 * while the host (including wpa_supplicant) is sleeping. 2524 */ 2525 void (*set_rekey_info)(void *priv, const u8 *kek, const u8 *kck, 2526 const u8 *replay_ctr); 2527 2528 /** 2529 * sta_assoc - Station association indication 2530 * @priv: Private driver interface data 2531 * @own_addr: Source address and BSSID for association frame 2532 * @addr: MAC address of the station to associate 2533 * @reassoc: flag to indicate re-association 2534 * @status: association response status code 2535 * @ie: assoc response ie buffer 2536 * @len: ie buffer length 2537 * Returns: 0 on success, -1 on failure 2538 * 2539 * This function indicates the driver to send (Re)Association 2540 * Response frame to the station. 2541 */ 2542 int (*sta_assoc)(void *priv, const u8 *own_addr, const u8 *addr, 2543 int reassoc, u16 status, const u8 *ie, size_t len); 2544 2545 /** 2546 * sta_auth - Station authentication indication 2547 * @priv: Private driver interface data 2548 * @own_addr: Source address and BSSID for authentication frame 2549 * @addr: MAC address of the station to associate 2550 * @seq: authentication sequence number 2551 * @status: authentication response status code 2552 * @ie: authentication frame ie buffer 2553 * @len: ie buffer length 2554 * 2555 * This function indicates the driver to send Authentication frame 2556 * to the station. 2557 */ 2558 int (*sta_auth)(void *priv, const u8 *own_addr, const u8 *addr, 2559 u16 seq, u16 status, const u8 *ie, size_t len); 2560 2561 /** 2562 * add_tspec - Add traffic stream 2563 * @priv: Private driver interface data 2564 * @addr: MAC address of the station to associate 2565 * @tspec_ie: tspec ie buffer 2566 * @tspec_ielen: tspec ie length 2567 * Returns: 0 on success, -1 on failure 2568 * 2569 * This function adds the traffic steam for the station 2570 * and fills the medium_time in tspec_ie. 2571 */ 2572 int (*add_tspec)(void *priv, const u8 *addr, u8 *tspec_ie, 2573 size_t tspec_ielen); 2574 2575 /** 2576 * add_sta_node - Add a station node in the driver 2577 * @priv: Private driver interface data 2578 * @addr: MAC address of the station to add 2579 * @auth_alg: authentication algorithm used by the station 2580 * Returns: 0 on success, -1 on failure 2581 * 2582 * This function adds the station node in the driver, when 2583 * the station gets added by FT-over-DS. 2584 */ 2585 int (*add_sta_node)(void *priv, const u8 *addr, u16 auth_alg); 2586 2587 /** 2588 * sched_scan - Request the driver to initiate scheduled scan 2589 * @priv: Private driver interface data 2590 * @params: Scan parameters 2591 * @interval: Interval between scan cycles in milliseconds 2592 * Returns: 0 on success, -1 on failure 2593 * 2594 * This operation should be used for scheduled scan offload to 2595 * the hardware. Every time scan results are available, the 2596 * driver should report scan results event for wpa_supplicant 2597 * which will eventually request the results with 2598 * wpa_driver_get_scan_results2(). This operation is optional 2599 * and if not provided or if it returns -1, we fall back to 2600 * normal host-scheduled scans. 2601 */ 2602 int (*sched_scan)(void *priv, struct wpa_driver_scan_params *params, 2603 u32 interval); 2604 2605 /** 2606 * stop_sched_scan - Request the driver to stop a scheduled scan 2607 * @priv: Private driver interface data 2608 * Returns: 0 on success, -1 on failure 2609 * 2610 * This should cause the scheduled scan to be stopped and 2611 * results should stop being sent. Must be supported if 2612 * sched_scan is supported. 2613 */ 2614 int (*stop_sched_scan)(void *priv); 2615 2616 /** 2617 * poll_client - Probe (null data or such) the given station 2618 * @priv: Private driver interface data 2619 * @own_addr: MAC address of sending interface 2620 * @addr: MAC address of the station to probe 2621 * @qos: Indicates whether station is QoS station 2622 * 2623 * This function is used to verify whether an associated station is 2624 * still present. This function does not need to be implemented if the 2625 * driver provides such inactivity polling mechanism. 2626 */ 2627 void (*poll_client)(void *priv, const u8 *own_addr, 2628 const u8 *addr, int qos); 2629 2630 /** 2631 * radio_disable - Disable/enable radio 2632 * @priv: Private driver interface data 2633 * @disabled: 1=disable 0=enable radio 2634 * Returns: 0 on success, -1 on failure 2635 * 2636 * This optional command is for testing purposes. It can be used to 2637 * disable the radio on a testbed device to simulate out-of-radio-range 2638 * conditions. 2639 */ 2640 int (*radio_disable)(void *priv, int disabled); 2641 2642 /** 2643 * switch_channel - Announce channel switch and migrate the GO to the 2644 * given frequency 2645 * @priv: Private driver interface data 2646 * @settings: Settings for CSA period and new channel 2647 * Returns: 0 on success, -1 on failure 2648 * 2649 * This function is used to move the GO to the legacy STA channel to 2650 * avoid frequency conflict in single channel concurrency. 2651 */ 2652 int (*switch_channel)(void *priv, struct csa_settings *settings); 2653 2654 /** 2655 * start_dfs_cac - Listen for radar interference on the channel 2656 * @priv: Private driver interface data 2657 * @freq: Channel parameters 2658 * Returns: 0 on success, -1 on failure 2659 */ 2660 int (*start_dfs_cac)(void *priv, struct hostapd_freq_params *freq); 2661 2662 /** 2663 * stop_ap - Removes beacon from AP 2664 * @priv: Private driver interface data 2665 * Returns: 0 on success, -1 on failure (or if not supported) 2666 * 2667 * This optional function can be used to disable AP mode related 2668 * configuration. Unlike deinit_ap, it does not change to station 2669 * mode. 2670 */ 2671 int (*stop_ap)(void *priv); 2672 2673 /** 2674 * get_survey - Retrieve survey data 2675 * @priv: Private driver interface data 2676 * @freq: If set, survey data for the specified frequency is only 2677 * being requested. If not set, all survey data is requested. 2678 * Returns: 0 on success, -1 on failure 2679 * 2680 * Use this to retrieve: 2681 * 2682 * - the observed channel noise floor 2683 * - the amount of time we have spent on the channel 2684 * - the amount of time during which we have spent on the channel that 2685 * the radio has determined the medium is busy and we cannot 2686 * transmit 2687 * - the amount of time we have spent receiving data 2688 * - the amount of time we have spent transmitting data 2689 * 2690 * This data can be used for spectrum heuristics. One example is 2691 * Automatic Channel Selection (ACS). The channel survey data is 2692 * kept on a linked list on the channel data, one entry is added 2693 * for each survey. The min_nf of the channel is updated for each 2694 * survey. 2695 */ 2696 int (*get_survey)(void *priv, unsigned int freq); 2697 2698 /** 2699 * status - Get driver interface status information 2700 * @priv: Private driver interface data 2701 * @buf: Buffer for printing tou the status information 2702 * @buflen: Maximum length of the buffer 2703 * Returns: Length of written status information or -1 on failure 2704 */ 2705 int (*status)(void *priv, char *buf, size_t buflen); 2706}; 2707 2708 2709/** 2710 * enum wpa_event_type - Event type for wpa_supplicant_event() calls 2711 */ 2712enum wpa_event_type { 2713 /** 2714 * EVENT_ASSOC - Association completed 2715 * 2716 * This event needs to be delivered when the driver completes IEEE 2717 * 802.11 association or reassociation successfully. 2718 * wpa_driver_ops::get_bssid() is expected to provide the current BSSID 2719 * after this event has been generated. In addition, optional 2720 * EVENT_ASSOCINFO may be generated just before EVENT_ASSOC to provide 2721 * more information about the association. If the driver interface gets 2722 * both of these events at the same time, it can also include the 2723 * assoc_info data in EVENT_ASSOC call. 2724 */ 2725 EVENT_ASSOC, 2726 2727 /** 2728 * EVENT_DISASSOC - Association lost 2729 * 2730 * This event should be called when association is lost either due to 2731 * receiving deauthenticate or disassociate frame from the AP or when 2732 * sending either of these frames to the current AP. If the driver 2733 * supports separate deauthentication event, EVENT_DISASSOC should only 2734 * be used for disassociation and EVENT_DEAUTH for deauthentication. 2735 * In AP mode, union wpa_event_data::disassoc_info is required. 2736 */ 2737 EVENT_DISASSOC, 2738 2739 /** 2740 * EVENT_MICHAEL_MIC_FAILURE - Michael MIC (TKIP) detected 2741 * 2742 * This event must be delivered when a Michael MIC error is detected by 2743 * the local driver. Additional data for event processing is 2744 * provided with union wpa_event_data::michael_mic_failure. This 2745 * information is used to request new encyption key and to initiate 2746 * TKIP countermeasures if needed. 2747 */ 2748 EVENT_MICHAEL_MIC_FAILURE, 2749 2750 /** 2751 * EVENT_SCAN_RESULTS - Scan results available 2752 * 2753 * This event must be called whenever scan results are available to be 2754 * fetched with struct wpa_driver_ops::get_scan_results(). This event 2755 * is expected to be used some time after struct wpa_driver_ops::scan() 2756 * is called. If the driver provides an unsolicited event when the scan 2757 * has been completed, this event can be used to trigger 2758 * EVENT_SCAN_RESULTS call. If such event is not available from the 2759 * driver, the driver wrapper code is expected to use a registered 2760 * timeout to generate EVENT_SCAN_RESULTS call after the time that the 2761 * scan is expected to be completed. Optional information about 2762 * completed scan can be provided with union wpa_event_data::scan_info. 2763 */ 2764 EVENT_SCAN_RESULTS, 2765 2766 /** 2767 * EVENT_ASSOCINFO - Report optional extra information for association 2768 * 2769 * This event can be used to report extra association information for 2770 * EVENT_ASSOC processing. This extra information includes IEs from 2771 * association frames and Beacon/Probe Response frames in union 2772 * wpa_event_data::assoc_info. EVENT_ASSOCINFO must be send just before 2773 * EVENT_ASSOC. Alternatively, the driver interface can include 2774 * assoc_info data in the EVENT_ASSOC call if it has all the 2775 * information available at the same point. 2776 */ 2777 EVENT_ASSOCINFO, 2778 2779 /** 2780 * EVENT_INTERFACE_STATUS - Report interface status changes 2781 * 2782 * This optional event can be used to report changes in interface 2783 * status (interface added/removed) using union 2784 * wpa_event_data::interface_status. This can be used to trigger 2785 * wpa_supplicant to stop and re-start processing for the interface, 2786 * e.g., when a cardbus card is ejected/inserted. 2787 */ 2788 EVENT_INTERFACE_STATUS, 2789 2790 /** 2791 * EVENT_PMKID_CANDIDATE - Report a candidate AP for pre-authentication 2792 * 2793 * This event can be used to inform wpa_supplicant about candidates for 2794 * RSN (WPA2) pre-authentication. If wpa_supplicant is not responsible 2795 * for scan request (ap_scan=2 mode), this event is required for 2796 * pre-authentication. If wpa_supplicant is performing scan request 2797 * (ap_scan=1), this event is optional since scan results can be used 2798 * to add pre-authentication candidates. union 2799 * wpa_event_data::pmkid_candidate is used to report the BSSID of the 2800 * candidate and priority of the candidate, e.g., based on the signal 2801 * strength, in order to try to pre-authenticate first with candidates 2802 * that are most likely targets for re-association. 2803 * 2804 * EVENT_PMKID_CANDIDATE can be called whenever the driver has updates 2805 * on the candidate list. In addition, it can be called for the current 2806 * AP and APs that have existing PMKSA cache entries. wpa_supplicant 2807 * will automatically skip pre-authentication in cases where a valid 2808 * PMKSA exists. When more than one candidate exists, this event should 2809 * be generated once for each candidate. 2810 * 2811 * Driver will be notified about successful pre-authentication with 2812 * struct wpa_driver_ops::add_pmkid() calls. 2813 */ 2814 EVENT_PMKID_CANDIDATE, 2815 2816 /** 2817 * EVENT_STKSTART - Request STK handshake (MLME-STKSTART.request) 2818 * 2819 * This event can be used to inform wpa_supplicant about desire to set 2820 * up secure direct link connection between two stations as defined in 2821 * IEEE 802.11e with a new PeerKey mechanism that replaced the original 2822 * STAKey negotiation. The caller will need to set peer address for the 2823 * event. 2824 */ 2825 EVENT_STKSTART, 2826 2827 /** 2828 * EVENT_TDLS - Request TDLS operation 2829 * 2830 * This event can be used to request a TDLS operation to be performed. 2831 */ 2832 EVENT_TDLS, 2833 2834 /** 2835 * EVENT_FT_RESPONSE - Report FT (IEEE 802.11r) response IEs 2836 * 2837 * The driver is expected to report the received FT IEs from 2838 * FT authentication sequence from the AP. The FT IEs are included in 2839 * the extra information in union wpa_event_data::ft_ies. 2840 */ 2841 EVENT_FT_RESPONSE, 2842 2843 /** 2844 * EVENT_IBSS_RSN_START - Request RSN authentication in IBSS 2845 * 2846 * The driver can use this event to inform wpa_supplicant about a STA 2847 * in an IBSS with which protected frames could be exchanged. This 2848 * event starts RSN authentication with the other STA to authenticate 2849 * the STA and set up encryption keys with it. 2850 */ 2851 EVENT_IBSS_RSN_START, 2852 2853 /** 2854 * EVENT_AUTH - Authentication result 2855 * 2856 * This event should be called when authentication attempt has been 2857 * completed. This is only used if the driver supports separate 2858 * authentication step (struct wpa_driver_ops::authenticate). 2859 * Information about authentication result is included in 2860 * union wpa_event_data::auth. 2861 */ 2862 EVENT_AUTH, 2863 2864 /** 2865 * EVENT_DEAUTH - Authentication lost 2866 * 2867 * This event should be called when authentication is lost either due 2868 * to receiving deauthenticate frame from the AP or when sending that 2869 * frame to the current AP. 2870 * In AP mode, union wpa_event_data::deauth_info is required. 2871 */ 2872 EVENT_DEAUTH, 2873 2874 /** 2875 * EVENT_ASSOC_REJECT - Association rejected 2876 * 2877 * This event should be called when (re)association attempt has been 2878 * rejected by the AP. Information about the association response is 2879 * included in union wpa_event_data::assoc_reject. 2880 */ 2881 EVENT_ASSOC_REJECT, 2882 2883 /** 2884 * EVENT_AUTH_TIMED_OUT - Authentication timed out 2885 */ 2886 EVENT_AUTH_TIMED_OUT, 2887 2888 /** 2889 * EVENT_ASSOC_TIMED_OUT - Association timed out 2890 */ 2891 EVENT_ASSOC_TIMED_OUT, 2892 2893 /** 2894 * EVENT_FT_RRB_RX - FT (IEEE 802.11r) RRB frame received 2895 */ 2896 EVENT_FT_RRB_RX, 2897 2898 /** 2899 * EVENT_WPS_BUTTON_PUSHED - Report hardware push button press for WPS 2900 */ 2901 EVENT_WPS_BUTTON_PUSHED, 2902 2903 /** 2904 * EVENT_TX_STATUS - Report TX status 2905 */ 2906 EVENT_TX_STATUS, 2907 2908 /** 2909 * EVENT_RX_FROM_UNKNOWN - Report RX from unknown STA 2910 */ 2911 EVENT_RX_FROM_UNKNOWN, 2912 2913 /** 2914 * EVENT_RX_MGMT - Report RX of a management frame 2915 */ 2916 EVENT_RX_MGMT, 2917 2918 /** 2919 * EVENT_REMAIN_ON_CHANNEL - Remain-on-channel duration started 2920 * 2921 * This event is used to indicate when the driver has started the 2922 * requested remain-on-channel duration. Information about the 2923 * operation is included in union wpa_event_data::remain_on_channel. 2924 */ 2925 EVENT_REMAIN_ON_CHANNEL, 2926 2927 /** 2928 * EVENT_CANCEL_REMAIN_ON_CHANNEL - Remain-on-channel timed out 2929 * 2930 * This event is used to indicate when the driver has completed 2931 * remain-on-channel duration, i.e., may noot be available on the 2932 * requested channel anymore. Information about the 2933 * operation is included in union wpa_event_data::remain_on_channel. 2934 */ 2935 EVENT_CANCEL_REMAIN_ON_CHANNEL, 2936 2937 /** 2938 * EVENT_MLME_RX - Report reception of frame for MLME (test use only) 2939 * 2940 * This event is used only by driver_test.c and userspace MLME. 2941 */ 2942 EVENT_MLME_RX, 2943 2944 /** 2945 * EVENT_RX_PROBE_REQ - Indicate received Probe Request frame 2946 * 2947 * This event is used to indicate when a Probe Request frame has been 2948 * received. Information about the received frame is included in 2949 * union wpa_event_data::rx_probe_req. The driver is required to report 2950 * these events only after successfully completed probe_req_report() 2951 * commands to request the events (i.e., report parameter is non-zero) 2952 * in station mode. In AP mode, Probe Request frames should always be 2953 * reported. 2954 */ 2955 EVENT_RX_PROBE_REQ, 2956 2957 /** 2958 * EVENT_NEW_STA - New wired device noticed 2959 * 2960 * This event is used to indicate that a new device has been detected 2961 * in a network that does not use association-like functionality (i.e., 2962 * mainly wired Ethernet). This can be used to start EAPOL 2963 * authenticator when receiving a frame from a device. The address of 2964 * the device is included in union wpa_event_data::new_sta. 2965 */ 2966 EVENT_NEW_STA, 2967 2968 /** 2969 * EVENT_EAPOL_RX - Report received EAPOL frame 2970 * 2971 * When in AP mode with hostapd, this event is required to be used to 2972 * deliver the receive EAPOL frames from the driver. With 2973 * %wpa_supplicant, this event is used only if the send_eapol() handler 2974 * is used to override the use of l2_packet for EAPOL frame TX. 2975 */ 2976 EVENT_EAPOL_RX, 2977 2978 /** 2979 * EVENT_SIGNAL_CHANGE - Indicate change in signal strength 2980 * 2981 * This event is used to indicate changes in the signal strength 2982 * observed in frames received from the current AP if signal strength 2983 * monitoring has been enabled with signal_monitor(). 2984 */ 2985 EVENT_SIGNAL_CHANGE, 2986 2987 /** 2988 * EVENT_INTERFACE_ENABLED - Notify that interface was enabled 2989 * 2990 * This event is used to indicate that the interface was enabled after 2991 * having been previously disabled, e.g., due to rfkill. 2992 */ 2993 EVENT_INTERFACE_ENABLED, 2994 2995 /** 2996 * EVENT_INTERFACE_DISABLED - Notify that interface was disabled 2997 * 2998 * This event is used to indicate that the interface was disabled, 2999 * e.g., due to rfkill. 3000 */ 3001 EVENT_INTERFACE_DISABLED, 3002 3003 /** 3004 * EVENT_CHANNEL_LIST_CHANGED - Channel list changed 3005 * 3006 * This event is used to indicate that the channel list has changed, 3007 * e.g., because of a regulatory domain change triggered by scan 3008 * results including an AP advertising a country code. 3009 */ 3010 EVENT_CHANNEL_LIST_CHANGED, 3011 3012 /** 3013 * EVENT_INTERFACE_UNAVAILABLE - Notify that interface is unavailable 3014 * 3015 * This event is used to indicate that the driver cannot maintain this 3016 * interface in its operation mode anymore. The most likely use for 3017 * this is to indicate that AP mode operation is not available due to 3018 * operating channel would need to be changed to a DFS channel when 3019 * the driver does not support radar detection and another virtual 3020 * interfaces caused the operating channel to change. Other similar 3021 * resource conflicts could also trigger this for station mode 3022 * interfaces. 3023 */ 3024 EVENT_INTERFACE_UNAVAILABLE, 3025 3026 /** 3027 * EVENT_BEST_CHANNEL 3028 * 3029 * Driver generates this event whenever it detects a better channel 3030 * (e.g., based on RSSI or channel use). This information can be used 3031 * to improve channel selection for a new AP/P2P group. 3032 */ 3033 EVENT_BEST_CHANNEL, 3034 3035 /** 3036 * EVENT_UNPROT_DEAUTH - Unprotected Deauthentication frame received 3037 * 3038 * This event should be called when a Deauthentication frame is dropped 3039 * due to it not being protected (MFP/IEEE 802.11w). 3040 * union wpa_event_data::unprot_deauth is required to provide more 3041 * details of the frame. 3042 */ 3043 EVENT_UNPROT_DEAUTH, 3044 3045 /** 3046 * EVENT_UNPROT_DISASSOC - Unprotected Disassociation frame received 3047 * 3048 * This event should be called when a Disassociation frame is dropped 3049 * due to it not being protected (MFP/IEEE 802.11w). 3050 * union wpa_event_data::unprot_disassoc is required to provide more 3051 * details of the frame. 3052 */ 3053 EVENT_UNPROT_DISASSOC, 3054 3055 /** 3056 * EVENT_STATION_LOW_ACK 3057 * 3058 * Driver generates this event whenever it detected that a particular 3059 * station was lost. Detection can be through massive transmission 3060 * failures for example. 3061 */ 3062 EVENT_STATION_LOW_ACK, 3063 3064 /** 3065 * EVENT_IBSS_PEER_LOST - IBSS peer not reachable anymore 3066 */ 3067 EVENT_IBSS_PEER_LOST, 3068 3069 /** 3070 * EVENT_DRIVER_GTK_REKEY - Device/driver did GTK rekey 3071 * 3072 * This event carries the new replay counter to notify wpa_supplicant 3073 * of the current EAPOL-Key Replay Counter in case the driver/firmware 3074 * completed Group Key Handshake while the host (including 3075 * wpa_supplicant was sleeping). 3076 */ 3077 EVENT_DRIVER_GTK_REKEY, 3078 3079 /** 3080 * EVENT_SCHED_SCAN_STOPPED - Scheduled scan was stopped 3081 */ 3082 EVENT_SCHED_SCAN_STOPPED, 3083 3084 /** 3085 * EVENT_DRIVER_CLIENT_POLL_OK - Station responded to poll 3086 * 3087 * This event indicates that the station responded to the poll 3088 * initiated with @poll_client. 3089 */ 3090 EVENT_DRIVER_CLIENT_POLL_OK, 3091 3092 /** 3093 * EVENT_EAPOL_TX_STATUS - notify of EAPOL TX status 3094 */ 3095 EVENT_EAPOL_TX_STATUS, 3096 3097 /** 3098 * EVENT_CH_SWITCH - AP or GO decided to switch channels 3099 * 3100 * Described in wpa_event_data.ch_switch 3101 * */ 3102 EVENT_CH_SWITCH, 3103 3104 /** 3105 * EVENT_WNM - Request WNM operation 3106 * 3107 * This event can be used to request a WNM operation to be performed. 3108 */ 3109 EVENT_WNM, 3110 3111 /** 3112 * EVENT_CONNECT_FAILED_REASON - Connection failure reason in AP mode 3113 * 3114 * This event indicates that the driver reported a connection failure 3115 * with the specified client (for example, max client reached, etc.) in 3116 * AP mode. 3117 */ 3118 EVENT_CONNECT_FAILED_REASON, 3119 3120 /** 3121 * EVENT_RADAR_DETECTED - Notify of radar detection 3122 * 3123 * A radar has been detected on the supplied frequency, hostapd should 3124 * react accordingly (e.g., change channel). 3125 */ 3126 EVENT_DFS_RADAR_DETECTED, 3127 3128 /** 3129 * EVENT_CAC_FINISHED - Notify that channel availability check has been completed 3130 * 3131 * After a successful CAC, the channel can be marked clear and used. 3132 */ 3133 EVENT_DFS_CAC_FINISHED, 3134 3135 /** 3136 * EVENT_CAC_ABORTED - Notify that channel availability check has been aborted 3137 * 3138 * The CAC was not successful, and the channel remains in the previous 3139 * state. This may happen due to a radar beeing detected or other 3140 * external influences. 3141 */ 3142 EVENT_DFS_CAC_ABORTED, 3143 3144 /** 3145 * EVENT_DFS_CAC_NOP_FINISHED - Notify that non-occupancy period is over 3146 * 3147 * The channel which was previously unavailable is now available again. 3148 */ 3149 EVENT_DFS_NOP_FINISHED, 3150 3151 /** 3152 * EVENT_SURVEY - Received survey data 3153 * 3154 * This event gets triggered when a driver query is issued for survey 3155 * data and the requested data becomes available. The returned data is 3156 * stored in struct survey_results. The results provide at most one 3157 * survey entry for each frequency and at minimum will provide one 3158 * survey entry for one frequency. The survey data can be os_malloc()'d 3159 * and then os_free()'d, so the event callback must only copy data. 3160 */ 3161 EVENT_SURVEY, 3162 3163 /** 3164 * EVENT_SCAN_STARTED - Scan started 3165 * 3166 * This indicates that driver has started a scan operation either based 3167 * on a request from wpa_supplicant/hostapd or from another application. 3168 * EVENT_SCAN_RESULTS is used to indicate when the scan has been 3169 * completed (either successfully or by getting cancelled). 3170 */ 3171 EVENT_SCAN_STARTED, 3172 3173 /** 3174 * EVENT_AVOID_FREQUENCIES - Received avoid frequency range 3175 * 3176 * This event indicates a set of frequency ranges that should be avoided 3177 * to reduce issues due to interference or internal co-existence 3178 * information in the driver. 3179 */ 3180 EVENT_AVOID_FREQUENCIES 3181}; 3182 3183 3184/** 3185 * struct freq_survey - Channel survey info 3186 * 3187 * @ifidx: Interface index in which this survey was observed 3188 * @freq: Center of frequency of the surveyed channel 3189 * @nf: Channel noise floor in dBm 3190 * @channel_time: Amount of time in ms the radio spent on the channel 3191 * @channel_time_busy: Amount of time in ms the radio detected some signal 3192 * that indicated to the radio the channel was not clear 3193 * @channel_time_rx: Amount of time the radio spent receiving data 3194 * @channel_time_tx: Amount of time the radio spent transmitting data 3195 * @filled: bitmask indicating which fields have been reported, see 3196 * SURVEY_HAS_* defines. 3197 * @list: Internal list pointers 3198 */ 3199struct freq_survey { 3200 u32 ifidx; 3201 unsigned int freq; 3202 s8 nf; 3203 u64 channel_time; 3204 u64 channel_time_busy; 3205 u64 channel_time_rx; 3206 u64 channel_time_tx; 3207 unsigned int filled; 3208 struct dl_list list; 3209}; 3210 3211#define SURVEY_HAS_NF BIT(0) 3212#define SURVEY_HAS_CHAN_TIME BIT(1) 3213#define SURVEY_HAS_CHAN_TIME_BUSY BIT(2) 3214#define SURVEY_HAS_CHAN_TIME_RX BIT(3) 3215#define SURVEY_HAS_CHAN_TIME_TX BIT(4) 3216 3217 3218/** 3219 * union wpa_event_data - Additional data for wpa_supplicant_event() calls 3220 */ 3221union wpa_event_data { 3222 /** 3223 * struct assoc_info - Data for EVENT_ASSOC and EVENT_ASSOCINFO events 3224 * 3225 * This structure is optional for EVENT_ASSOC calls and required for 3226 * EVENT_ASSOCINFO calls. By using EVENT_ASSOC with this data, the 3227 * driver interface does not need to generate separate EVENT_ASSOCINFO 3228 * calls. 3229 */ 3230 struct assoc_info { 3231 /** 3232 * reassoc - Flag to indicate association or reassociation 3233 */ 3234 int reassoc; 3235 3236 /** 3237 * req_ies - (Re)Association Request IEs 3238 * 3239 * If the driver generates WPA/RSN IE, this event data must be 3240 * returned for WPA handshake to have needed information. If 3241 * wpa_supplicant-generated WPA/RSN IE is used, this 3242 * information event is optional. 3243 * 3244 * This should start with the first IE (fixed fields before IEs 3245 * are not included). 3246 */ 3247 const u8 *req_ies; 3248 3249 /** 3250 * req_ies_len - Length of req_ies in bytes 3251 */ 3252 size_t req_ies_len; 3253 3254 /** 3255 * resp_ies - (Re)Association Response IEs 3256 * 3257 * Optional association data from the driver. This data is not 3258 * required WPA, but may be useful for some protocols and as 3259 * such, should be reported if this is available to the driver 3260 * interface. 3261 * 3262 * This should start with the first IE (fixed fields before IEs 3263 * are not included). 3264 */ 3265 const u8 *resp_ies; 3266 3267 /** 3268 * resp_ies_len - Length of resp_ies in bytes 3269 */ 3270 size_t resp_ies_len; 3271 3272 /** 3273 * beacon_ies - Beacon or Probe Response IEs 3274 * 3275 * Optional Beacon/ProbeResp data: IEs included in Beacon or 3276 * Probe Response frames from the current AP (i.e., the one 3277 * that the client just associated with). This information is 3278 * used to update WPA/RSN IE for the AP. If this field is not 3279 * set, the results from previous scan will be used. If no 3280 * data for the new AP is found, scan results will be requested 3281 * again (without scan request). At this point, the driver is 3282 * expected to provide WPA/RSN IE for the AP (if WPA/WPA2 is 3283 * used). 3284 * 3285 * This should start with the first IE (fixed fields before IEs 3286 * are not included). 3287 */ 3288 const u8 *beacon_ies; 3289 3290 /** 3291 * beacon_ies_len - Length of beacon_ies */ 3292 size_t beacon_ies_len; 3293 3294 /** 3295 * freq - Frequency of the operational channel in MHz 3296 */ 3297 unsigned int freq; 3298 3299 /** 3300 * addr - Station address (for AP mode) 3301 */ 3302 const u8 *addr; 3303 } assoc_info; 3304 3305 /** 3306 * struct disassoc_info - Data for EVENT_DISASSOC events 3307 */ 3308 struct disassoc_info { 3309 /** 3310 * addr - Station address (for AP mode) 3311 */ 3312 const u8 *addr; 3313 3314 /** 3315 * reason_code - Reason Code (host byte order) used in 3316 * Deauthentication frame 3317 */ 3318 u16 reason_code; 3319 3320 /** 3321 * ie - Optional IE(s) in Disassociation frame 3322 */ 3323 const u8 *ie; 3324 3325 /** 3326 * ie_len - Length of ie buffer in octets 3327 */ 3328 size_t ie_len; 3329 3330 /** 3331 * locally_generated - Whether the frame was locally generated 3332 */ 3333 int locally_generated; 3334 } disassoc_info; 3335 3336 /** 3337 * struct deauth_info - Data for EVENT_DEAUTH events 3338 */ 3339 struct deauth_info { 3340 /** 3341 * addr - Station address (for AP mode) 3342 */ 3343 const u8 *addr; 3344 3345 /** 3346 * reason_code - Reason Code (host byte order) used in 3347 * Deauthentication frame 3348 */ 3349 u16 reason_code; 3350 3351 /** 3352 * ie - Optional IE(s) in Deauthentication frame 3353 */ 3354 const u8 *ie; 3355 3356 /** 3357 * ie_len - Length of ie buffer in octets 3358 */ 3359 size_t ie_len; 3360 3361 /** 3362 * locally_generated - Whether the frame was locally generated 3363 */ 3364 int locally_generated; 3365 } deauth_info; 3366 3367 /** 3368 * struct michael_mic_failure - Data for EVENT_MICHAEL_MIC_FAILURE 3369 */ 3370 struct michael_mic_failure { 3371 int unicast; 3372 const u8 *src; 3373 } michael_mic_failure; 3374 3375 /** 3376 * struct interface_status - Data for EVENT_INTERFACE_STATUS 3377 */ 3378 struct interface_status { 3379 char ifname[100]; 3380 enum { 3381 EVENT_INTERFACE_ADDED, EVENT_INTERFACE_REMOVED 3382 } ievent; 3383 } interface_status; 3384 3385 /** 3386 * struct pmkid_candidate - Data for EVENT_PMKID_CANDIDATE 3387 */ 3388 struct pmkid_candidate { 3389 /** BSSID of the PMKID candidate */ 3390 u8 bssid[ETH_ALEN]; 3391 /** Smaller the index, higher the priority */ 3392 int index; 3393 /** Whether RSN IE includes pre-authenticate flag */ 3394 int preauth; 3395 } pmkid_candidate; 3396 3397 /** 3398 * struct stkstart - Data for EVENT_STKSTART 3399 */ 3400 struct stkstart { 3401 u8 peer[ETH_ALEN]; 3402 } stkstart; 3403 3404 /** 3405 * struct tdls - Data for EVENT_TDLS 3406 */ 3407 struct tdls { 3408 u8 peer[ETH_ALEN]; 3409 enum { 3410 TDLS_REQUEST_SETUP, 3411 TDLS_REQUEST_TEARDOWN 3412 } oper; 3413 u16 reason_code; /* for teardown */ 3414 } tdls; 3415 3416 /** 3417 * struct wnm - Data for EVENT_WNM 3418 */ 3419 struct wnm { 3420 u8 addr[ETH_ALEN]; 3421 enum { 3422 WNM_OPER_SLEEP, 3423 } oper; 3424 enum { 3425 WNM_SLEEP_ENTER, 3426 WNM_SLEEP_EXIT 3427 } sleep_action; 3428 int sleep_intval; 3429 u16 reason_code; 3430 u8 *buf; 3431 u16 buf_len; 3432 } wnm; 3433 3434 /** 3435 * struct ft_ies - FT information elements (EVENT_FT_RESPONSE) 3436 * 3437 * During FT (IEEE 802.11r) authentication sequence, the driver is 3438 * expected to use this event to report received FT IEs (MDIE, FTIE, 3439 * RSN IE, TIE, possible resource request) to the supplicant. The FT 3440 * IEs for the next message will be delivered through the 3441 * struct wpa_driver_ops::update_ft_ies() callback. 3442 */ 3443 struct ft_ies { 3444 const u8 *ies; 3445 size_t ies_len; 3446 int ft_action; 3447 u8 target_ap[ETH_ALEN]; 3448 /** Optional IE(s), e.g., WMM TSPEC(s), for RIC-Request */ 3449 const u8 *ric_ies; 3450 /** Length of ric_ies buffer in octets */ 3451 size_t ric_ies_len; 3452 } ft_ies; 3453 3454 /** 3455 * struct ibss_rsn_start - Data for EVENT_IBSS_RSN_START 3456 */ 3457 struct ibss_rsn_start { 3458 u8 peer[ETH_ALEN]; 3459 } ibss_rsn_start; 3460 3461 /** 3462 * struct auth_info - Data for EVENT_AUTH events 3463 */ 3464 struct auth_info { 3465 u8 peer[ETH_ALEN]; 3466 u8 bssid[ETH_ALEN]; 3467 u16 auth_type; 3468 u16 auth_transaction; 3469 u16 status_code; 3470 const u8 *ies; 3471 size_t ies_len; 3472 } auth; 3473 3474 /** 3475 * struct assoc_reject - Data for EVENT_ASSOC_REJECT events 3476 */ 3477 struct assoc_reject { 3478 /** 3479 * bssid - BSSID of the AP that rejected association 3480 */ 3481 const u8 *bssid; 3482 3483 /** 3484 * resp_ies - (Re)Association Response IEs 3485 * 3486 * Optional association data from the driver. This data is not 3487 * required WPA, but may be useful for some protocols and as 3488 * such, should be reported if this is available to the driver 3489 * interface. 3490 * 3491 * This should start with the first IE (fixed fields before IEs 3492 * are not included). 3493 */ 3494 const u8 *resp_ies; 3495 3496 /** 3497 * resp_ies_len - Length of resp_ies in bytes 3498 */ 3499 size_t resp_ies_len; 3500 3501 /** 3502 * status_code - Status Code from (Re)association Response 3503 */ 3504 u16 status_code; 3505 } assoc_reject; 3506 3507 struct timeout_event { 3508 u8 addr[ETH_ALEN]; 3509 } timeout_event; 3510 3511 /** 3512 * struct ft_rrb_rx - Data for EVENT_FT_RRB_RX events 3513 */ 3514 struct ft_rrb_rx { 3515 const u8 *src; 3516 const u8 *data; 3517 size_t data_len; 3518 } ft_rrb_rx; 3519 3520 /** 3521 * struct tx_status - Data for EVENT_TX_STATUS events 3522 */ 3523 struct tx_status { 3524 u16 type; 3525 u16 stype; 3526 const u8 *dst; 3527 const u8 *data; 3528 size_t data_len; 3529 int ack; 3530 } tx_status; 3531 3532 /** 3533 * struct rx_from_unknown - Data for EVENT_RX_FROM_UNKNOWN events 3534 */ 3535 struct rx_from_unknown { 3536 const u8 *bssid; 3537 const u8 *addr; 3538 int wds; 3539 } rx_from_unknown; 3540 3541 /** 3542 * struct rx_mgmt - Data for EVENT_RX_MGMT events 3543 */ 3544 struct rx_mgmt { 3545 const u8 *frame; 3546 size_t frame_len; 3547 u32 datarate; 3548 3549 /** 3550 * freq - Frequency (in MHz) on which the frame was received 3551 */ 3552 int freq; 3553 3554 /** 3555 * ssi_signal - Signal strength in dBm (or 0 if not available) 3556 */ 3557 int ssi_signal; 3558 } rx_mgmt; 3559 3560 /** 3561 * struct remain_on_channel - Data for EVENT_REMAIN_ON_CHANNEL events 3562 * 3563 * This is also used with EVENT_CANCEL_REMAIN_ON_CHANNEL events. 3564 */ 3565 struct remain_on_channel { 3566 /** 3567 * freq - Channel frequency in MHz 3568 */ 3569 unsigned int freq; 3570 3571 /** 3572 * duration - Duration to remain on the channel in milliseconds 3573 */ 3574 unsigned int duration; 3575 } remain_on_channel; 3576 3577 /** 3578 * struct scan_info - Optional data for EVENT_SCAN_RESULTS events 3579 * @aborted: Whether the scan was aborted 3580 * @freqs: Scanned frequencies in MHz (%NULL = all channels scanned) 3581 * @num_freqs: Number of entries in freqs array 3582 * @ssids: Scanned SSIDs (%NULL or zero-length SSID indicates wildcard 3583 * SSID) 3584 * @num_ssids: Number of entries in ssids array 3585 */ 3586 struct scan_info { 3587 int aborted; 3588 const int *freqs; 3589 size_t num_freqs; 3590 struct wpa_driver_scan_ssid ssids[WPAS_MAX_SCAN_SSIDS]; 3591 size_t num_ssids; 3592 } scan_info; 3593 3594 /** 3595 * struct mlme_rx - Data for EVENT_MLME_RX events 3596 */ 3597 struct mlme_rx { 3598 const u8 *buf; 3599 size_t len; 3600 int freq; 3601 int channel; 3602 int ssi; 3603 } mlme_rx; 3604 3605 /** 3606 * struct rx_probe_req - Data for EVENT_RX_PROBE_REQ events 3607 */ 3608 struct rx_probe_req { 3609 /** 3610 * sa - Source address of the received Probe Request frame 3611 */ 3612 const u8 *sa; 3613 3614 /** 3615 * da - Destination address of the received Probe Request frame 3616 * or %NULL if not available 3617 */ 3618 const u8 *da; 3619 3620 /** 3621 * bssid - BSSID of the received Probe Request frame or %NULL 3622 * if not available 3623 */ 3624 const u8 *bssid; 3625 3626 /** 3627 * ie - IEs from the Probe Request body 3628 */ 3629 const u8 *ie; 3630 3631 /** 3632 * ie_len - Length of ie buffer in octets 3633 */ 3634 size_t ie_len; 3635 3636 /** 3637 * signal - signal strength in dBm (or 0 if not available) 3638 */ 3639 int ssi_signal; 3640 } rx_probe_req; 3641 3642 /** 3643 * struct new_sta - Data for EVENT_NEW_STA events 3644 */ 3645 struct new_sta { 3646 const u8 *addr; 3647 } new_sta; 3648 3649 /** 3650 * struct eapol_rx - Data for EVENT_EAPOL_RX events 3651 */ 3652 struct eapol_rx { 3653 const u8 *src; 3654 const u8 *data; 3655 size_t data_len; 3656 } eapol_rx; 3657 3658 /** 3659 * signal_change - Data for EVENT_SIGNAL_CHANGE events 3660 */ 3661 struct wpa_signal_info signal_change; 3662 3663 /** 3664 * struct best_channel - Data for EVENT_BEST_CHANNEL events 3665 * @freq_24: Best 2.4 GHz band channel frequency in MHz 3666 * @freq_5: Best 5 GHz band channel frequency in MHz 3667 * @freq_overall: Best channel frequency in MHz 3668 * 3669 * 0 can be used to indicate no preference in either band. 3670 */ 3671 struct best_channel { 3672 int freq_24; 3673 int freq_5; 3674 int freq_overall; 3675 } best_chan; 3676 3677 struct unprot_deauth { 3678 const u8 *sa; 3679 const u8 *da; 3680 u16 reason_code; 3681 } unprot_deauth; 3682 3683 struct unprot_disassoc { 3684 const u8 *sa; 3685 const u8 *da; 3686 u16 reason_code; 3687 } unprot_disassoc; 3688 3689 /** 3690 * struct low_ack - Data for EVENT_STATION_LOW_ACK events 3691 * @addr: station address 3692 */ 3693 struct low_ack { 3694 u8 addr[ETH_ALEN]; 3695 } low_ack; 3696 3697 /** 3698 * struct ibss_peer_lost - Data for EVENT_IBSS_PEER_LOST 3699 */ 3700 struct ibss_peer_lost { 3701 u8 peer[ETH_ALEN]; 3702 } ibss_peer_lost; 3703 3704 /** 3705 * struct driver_gtk_rekey - Data for EVENT_DRIVER_GTK_REKEY 3706 */ 3707 struct driver_gtk_rekey { 3708 const u8 *bssid; 3709 const u8 *replay_ctr; 3710 } driver_gtk_rekey; 3711 3712 /** 3713 * struct client_poll - Data for EVENT_DRIVER_CLIENT_POLL_OK events 3714 * @addr: station address 3715 */ 3716 struct client_poll { 3717 u8 addr[ETH_ALEN]; 3718 } client_poll; 3719 3720 /** 3721 * struct eapol_tx_status 3722 * @dst: Original destination 3723 * @data: Data starting with IEEE 802.1X header (!) 3724 * @data_len: Length of data 3725 * @ack: Indicates ack or lost frame 3726 * 3727 * This corresponds to hapd_send_eapol if the frame sent 3728 * there isn't just reported as EVENT_TX_STATUS. 3729 */ 3730 struct eapol_tx_status { 3731 const u8 *dst; 3732 const u8 *data; 3733 int data_len; 3734 int ack; 3735 } eapol_tx_status; 3736 3737 /** 3738 * struct ch_switch 3739 * @freq: Frequency of new channel in MHz 3740 * @ht_enabled: Whether this is an HT channel 3741 * @ch_offset: Secondary channel offset 3742 * @ch_width: Channel width 3743 * @cf1: Center frequency 1 3744 * @cf2: Center frequency 2 3745 */ 3746 struct ch_switch { 3747 int freq; 3748 int ht_enabled; 3749 int ch_offset; 3750 enum chan_width ch_width; 3751 int cf1; 3752 int cf2; 3753 } ch_switch; 3754 3755 /** 3756 * struct connect_failed - Data for EVENT_CONNECT_FAILED_REASON 3757 * @addr: Remote client address 3758 * @code: Reason code for connection failure 3759 */ 3760 struct connect_failed_reason { 3761 u8 addr[ETH_ALEN]; 3762 enum { 3763 MAX_CLIENT_REACHED, 3764 BLOCKED_CLIENT 3765 } code; 3766 } connect_failed_reason; 3767 3768 /** 3769 * struct dfs_event - Data for radar detected events 3770 * @freq: Frequency of the channel in MHz 3771 */ 3772 struct dfs_event { 3773 int freq; 3774 int ht_enabled; 3775 int chan_offset; 3776 enum chan_width chan_width; 3777 int cf1; 3778 int cf2; 3779 } dfs_event; 3780 3781 /** 3782 * survey_results - Survey result data for EVENT_SURVEY 3783 * @freq_filter: Requested frequency survey filter, 0 if request 3784 * was for all survey data 3785 * @survey_list: Linked list of survey data 3786 */ 3787 struct survey_results { 3788 unsigned int freq_filter; 3789 struct dl_list survey_list; /* struct freq_survey */ 3790 } survey_results; 3791 3792 /** 3793 * channel_list_changed - Data for EVENT_CHANNEL_LIST_CHANGED 3794 * @initiator: Initiator of the regulatory change 3795 */ 3796 struct channel_list_changed { 3797 enum reg_change_initiator initiator; 3798 } channel_list_changed; 3799 3800 /** 3801 * freq_range - List of frequency ranges 3802 * 3803 * This is used as the data with EVENT_AVOID_FREQUENCIES. 3804 */ 3805 struct wpa_freq_range_list freq_range; 3806}; 3807 3808/** 3809 * wpa_supplicant_event - Report a driver event for wpa_supplicant 3810 * @ctx: Context pointer (wpa_s); this is the ctx variable registered 3811 * with struct wpa_driver_ops::init() 3812 * @event: event type (defined above) 3813 * @data: possible extra data for the event 3814 * 3815 * Driver wrapper code should call this function whenever an event is received 3816 * from the driver. 3817 */ 3818void wpa_supplicant_event(void *ctx, enum wpa_event_type event, 3819 union wpa_event_data *data); 3820 3821 3822/* 3823 * The following inline functions are provided for convenience to simplify 3824 * event indication for some of the common events. 3825 */ 3826 3827static inline void drv_event_assoc(void *ctx, const u8 *addr, const u8 *ie, 3828 size_t ielen, int reassoc) 3829{ 3830 union wpa_event_data event; 3831 os_memset(&event, 0, sizeof(event)); 3832 event.assoc_info.reassoc = reassoc; 3833 event.assoc_info.req_ies = ie; 3834 event.assoc_info.req_ies_len = ielen; 3835 event.assoc_info.addr = addr; 3836 wpa_supplicant_event(ctx, EVENT_ASSOC, &event); 3837} 3838 3839static inline void drv_event_disassoc(void *ctx, const u8 *addr) 3840{ 3841 union wpa_event_data event; 3842 os_memset(&event, 0, sizeof(event)); 3843 event.disassoc_info.addr = addr; 3844 wpa_supplicant_event(ctx, EVENT_DISASSOC, &event); 3845} 3846 3847static inline void drv_event_eapol_rx(void *ctx, const u8 *src, const u8 *data, 3848 size_t data_len) 3849{ 3850 union wpa_event_data event; 3851 os_memset(&event, 0, sizeof(event)); 3852 event.eapol_rx.src = src; 3853 event.eapol_rx.data = data; 3854 event.eapol_rx.data_len = data_len; 3855 wpa_supplicant_event(ctx, EVENT_EAPOL_RX, &event); 3856} 3857 3858/* driver_common.c */ 3859void wpa_scan_results_free(struct wpa_scan_results *res); 3860 3861/* Convert wpa_event_type to a string for logging */ 3862const char * event_to_string(enum wpa_event_type event); 3863 3864/* NULL terminated array of linked in driver wrappers */ 3865extern struct wpa_driver_ops *wpa_drivers[]; 3866 3867#endif /* DRIVER_H */ 3868