doc: Extend driver.h documentation

This documents some more parts of the driver wrapper interface.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-01-03 16:59:14 +02:00
parent 421cb6a98b
commit 4e8f31e2ef
3 changed files with 174 additions and 82 deletions

View file

@ -477,7 +477,8 @@ int hostapd_flush(struct hostapd_data *hapd)
}
int hostapd_set_freq_params(struct hostapd_freq_params *data, int mode,
int hostapd_set_freq_params(struct hostapd_freq_params *data,
enum hostapd_hw_mode mode,
int freq, int channel, int ht_enabled,
int vht_enabled, int sec_channel_offset,
int vht_oper_chwidth, int center_segment0,
@ -562,8 +563,8 @@ int hostapd_set_freq_params(struct hostapd_freq_params *data, int mode,
}
int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
int channel, int ht_enabled, int vht_enabled,
int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
int freq, int channel, int ht_enabled, int vht_enabled,
int sec_channel_offset, int vht_oper_chwidth,
int center_segment0, int center_segment1)
{
@ -748,7 +749,8 @@ int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
}
int hostapd_start_dfs_cac(struct hostapd_iface *iface, int mode, int freq,
int hostapd_start_dfs_cac(struct hostapd_iface *iface,
enum hostapd_hw_mode mode, int freq,
int channel, int ht_enabled, int vht_enabled,
int sec_channel_offset, int vht_oper_chwidth,
int center_segment0, int center_segment1)

View file

@ -57,8 +57,8 @@ int hostapd_set_ieee8021x(struct hostapd_data *hapd,
int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
const u8 *addr, int idx, u8 *seq);
int hostapd_flush(struct hostapd_data *hapd);
int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
int channel, int ht_enabled, int vht_enabled,
int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
int freq, int channel, int ht_enabled, int vht_enabled,
int sec_channel_offset, int vht_oper_chwidth,
int center_segment0, int center_segment1);
int hostapd_set_rts(struct hostapd_data *hapd, int rts);
@ -102,11 +102,13 @@ int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
int reassoc, u16 status, const u8 *ie, size_t len);
int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
u8 *tspec_ie, size_t tspec_ielen);
int hostapd_start_dfs_cac(struct hostapd_iface *iface, int mode, int freq,
int hostapd_start_dfs_cac(struct hostapd_iface *iface,
enum hostapd_hw_mode mode, int freq,
int channel, int ht_enabled, int vht_enabled,
int sec_channel_offset, int vht_oper_chwidth,
int center_segment0, int center_segment1);
int hostapd_set_freq_params(struct hostapd_freq_params *data, int mode,
int hostapd_set_freq_params(struct hostapd_freq_params *data,
enum hostapd_hw_mode mode,
int freq, int channel, int ht_enabled,
int vht_enabled, int sec_channel_offset,
int vht_oper_chwidth, int center_segment0,

View file

@ -44,6 +44,9 @@
#define HOSTAPD_CHAN_INDOOR_ONLY 0x00010000
#define HOSTAPD_CHAN_GO_CONCURRENT 0x00020000
/**
* enum reg_change_initiator - Regulatory change initiator
*/
enum reg_change_initiator {
REGDOM_SET_BY_CORE,
REGDOM_SET_BY_USER,
@ -52,6 +55,9 @@ enum reg_change_initiator {
REGDOM_BEACON_HINT,
};
/**
* enum reg_type - Regulatory change types
*/
enum reg_type {
REGDOM_TYPE_UNKNOWN,
REGDOM_TYPE_COUNTRY,
@ -84,8 +90,8 @@ struct hostapd_channel_data {
*/
u8 max_tx_power;
/*
* survey_list - Linked list of surveys
/**
* survey_list - Linked list of surveys (struct freq_survey)
*/
struct dl_list survey_list;
@ -104,7 +110,9 @@ struct hostapd_channel_data {
long double interference_factor;
#endif /* CONFIG_ACS */
/* DFS CAC time in milliseconds */
/**
* dfs_cac_ms - DFS CAC time in milliseconds
*/
unsigned int dfs_cac_ms;
};
@ -217,6 +225,11 @@ struct hostapd_hw_modes {
* constructed of the IEs that are available. This field will also need to
* include SSID in IE format. All drivers are encouraged to be extended to
* report all IEs to make it easier to support future additions.
*
* This structure data is followed by ie_len octets of IEs from Probe Response
* frame (or if the driver does not indicate source of IEs, these may also be
* from Beacon frame). After the first set of IEs, another set of IEs may follow
* (with beacon_ie_len octets of data) if the driver provides both IE sets.
*/
struct wpa_scan_res {
unsigned int flags;
@ -231,13 +244,7 @@ struct wpa_scan_res {
unsigned int age;
size_t ie_len;
size_t beacon_ie_len;
/*
* Followed by ie_len octets of IEs from Probe Response frame (or if
* the driver does not indicate source of IEs, these may also be from
* Beacon frame). After the first set of IEs, another set of IEs may
* follow (with beacon_ie_len octets of data) if the driver provides
* both IE sets.
*/
/* Followed by ie_len + beacon_ie_len octets of IE data */
};
/**
@ -403,34 +410,95 @@ struct wpa_driver_auth_params {
*/
int p2p;
/**
* sae_data - SAE elements for Authentication frame
*
* This buffer starts with the Authentication transaction sequence
* number field. If SAE is not used, this pointer is %NULL.
*/
const u8 *sae_data;
/**
* sae_data_len - Length of sae_data buffer in octets
*/
size_t sae_data_len;
};
/**
* enum wps_mode - WPS mode
*/
enum wps_mode {
WPS_MODE_NONE /* no WPS provisioning being used */,
WPS_MODE_OPEN /* WPS provisioning with AP that is in open mode */,
WPS_MODE_PRIVACY /* WPS provisioning with AP that is using protection
*/
/**
* WPS_MODE_NONE - No WPS provisioning being used
*/
WPS_MODE_NONE,
/**
* WPS_MODE_OPEN - WPS provisioning with AP that is in open mode
*/
WPS_MODE_OPEN,
/**
* WPS_MODE_PRIVACY - WPS provisioning with AP that is using protection
*/
WPS_MODE_PRIVACY
};
/**
* struct hostapd_freq_params - Channel parameters
*/
struct hostapd_freq_params {
int mode;
int freq;
int channel;
/* for HT */
int ht_enabled;
int sec_channel_offset; /* 0 = HT40 disabled, -1 = HT40 enabled,
* secondary channel below primary, 1 = HT40
* enabled, secondary channel above primary */
/**
* mode - Mode/band (HOSTAPD_MODE_IEEE80211A, ..)
*/
enum hostapd_hw_mode mode;
/* for VHT */
/**
* freq - Primary channel center frequency in MHz
*/
int freq;
/**
* channel - Channel number
*/
int channel;
/**
* ht_enabled - Whether HT is enabled
*/
int ht_enabled;
/**
* sec_channel_offset - Secondary channel offset for HT40
*
* 0 = HT40 disabled,
* -1 = HT40 enabled, secondary channel below primary,
* 1 = HT40 enabled, secondary channel above primary
*/
int sec_channel_offset;
/**
* vht_enabled - Whether VHT is enabled
*/
int vht_enabled;
/* valid for both HT and VHT, center_freq2 is non-zero
* only for bandwidth 80 and an 80+80 channel */
int center_freq1, center_freq2;
/**
* center_freq1 - Segment 0 center frequency in MHz
*
* Valid for both HT and VHT.
*/
int center_freq1;
/**
* center_freq2 - Segment 1 center frequency in MHz
*
* Non-zero only for bandwidth 80 and an 80+80 channel
*/
int center_freq2;
/**
* bandwidth - Channel bandwidth in MHz (20, 40, 80, 160)
*/
int bandwidth;
};
@ -684,12 +752,21 @@ struct wpa_driver_associate_params {
int disable_ht;
/**
* HT Capabilities over-rides. Only bits set in the mask will be used,
* and not all values are used by the kernel anyway. Currently, MCS,
* MPDU and MSDU fields are used.
* htcaps - HT Capabilities over-rides
*
* Only bits set in the mask will be used, and not all values are used
* by the kernel anyway. Currently, MCS, MPDU and MSDU fields are used.
*
* Pointer to struct ieee80211_ht_capabilities.
*/
const u8 *htcaps; /* struct ieee80211_ht_capabilities * */
const u8 *htcaps_mask; /* struct ieee80211_ht_capabilities * */
const u8 *htcaps;
/**
* htcaps_mask - HT Capabilities over-rides mask
*
* Pointer to struct ieee80211_ht_capabilities.
*/
const u8 *htcaps_mask;
#ifdef CONFIG_VHT_OVERRIDES
/**
@ -975,6 +1052,7 @@ struct wpa_driver_capa {
#define WPA_DRIVER_CAPA_KEY_MGMT_FT 0x00000020
#define WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK 0x00000040
#define WPA_DRIVER_CAPA_KEY_MGMT_WAPI_PSK 0x00000080
/** Bitfield of supported key management suites */
unsigned int key_mgmt;
#define WPA_DRIVER_CAPA_ENC_WEP40 0x00000001
@ -990,94 +1068,97 @@ struct wpa_driver_capa {
#define WPA_DRIVER_CAPA_ENC_BIP_GMAC_256 0x00000400
#define WPA_DRIVER_CAPA_ENC_BIP_CMAC_256 0x00000800
#define WPA_DRIVER_CAPA_ENC_GTK_NOT_USED 0x00001000
/** Bitfield of supported cipher suites */
unsigned int enc;
#define WPA_DRIVER_AUTH_OPEN 0x00000001
#define WPA_DRIVER_AUTH_SHARED 0x00000002
#define WPA_DRIVER_AUTH_LEAP 0x00000004
/** Bitfield of supported IEEE 802.11 authentication algorithms */
unsigned int auth;
/* Driver generated WPA/RSN IE */
/** Driver generated WPA/RSN IE */
#define WPA_DRIVER_FLAGS_DRIVER_IE 0x00000001
/* Driver needs static WEP key setup after association command */
/** Driver needs static WEP key setup after association command */
#define WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC 0x00000002
/* Driver takes care of all DFS operations */
/** Driver takes care of all DFS operations */
#define WPA_DRIVER_FLAGS_DFS_OFFLOAD 0x00000004
/* Driver takes care of RSN 4-way handshake internally; PMK is configured with
/** Driver takes care of RSN 4-way handshake internally; PMK is configured with
* struct wpa_driver_ops::set_key using alg = WPA_ALG_PMK */
#define WPA_DRIVER_FLAGS_4WAY_HANDSHAKE 0x00000008
/** Driver is for a wired Ethernet interface */
#define WPA_DRIVER_FLAGS_WIRED 0x00000010
/* Driver provides separate commands for authentication and association (SME in
/** Driver provides separate commands for authentication and association (SME in
* wpa_supplicant). */
#define WPA_DRIVER_FLAGS_SME 0x00000020
/* Driver supports AP mode */
/** Driver supports AP mode */
#define WPA_DRIVER_FLAGS_AP 0x00000040
/* Driver needs static WEP key setup after association has been completed */
/** Driver needs static WEP key setup after association has been completed */
#define WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE 0x00000080
/* Driver supports dynamic HT 20/40 MHz channel changes during BSS lifetime */
/** Driver supports dynamic HT 20/40 MHz channel changes during BSS lifetime */
#define WPA_DRIVER_FLAGS_HT_2040_COEX 0x00000100
/* Driver supports concurrent P2P operations */
/** Driver supports concurrent P2P operations */
#define WPA_DRIVER_FLAGS_P2P_CONCURRENT 0x00000200
/*
/**
* Driver uses the initial interface as a dedicated management interface, i.e.,
* it cannot be used for P2P group operations or non-P2P purposes.
*/
#define WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE 0x00000400
/* This interface is P2P capable (P2P GO or P2P Client) */
/** This interface is P2P capable (P2P GO or P2P Client) */
#define WPA_DRIVER_FLAGS_P2P_CAPABLE 0x00000800
/* Driver supports station and key removal when stopping an AP */
/** Driver supports station and key removal when stopping an AP */
#define WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT 0x00001000
/*
/**
* Driver uses the initial interface for P2P management interface and non-P2P
* purposes (e.g., connect to infra AP), but this interface cannot be used for
* P2P group operations.
*/
#define WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P 0x00002000
/*
/**
* Driver is known to use sane error codes, i.e., when it indicates that
* something (e.g., association) fails, there was indeed a failure and the
* operation does not end up getting completed successfully later.
*/
#define WPA_DRIVER_FLAGS_SANE_ERROR_CODES 0x00004000
/* Driver supports off-channel TX */
/** Driver supports off-channel TX */
#define WPA_DRIVER_FLAGS_OFFCHANNEL_TX 0x00008000
/* Driver indicates TX status events for EAPOL Data frames */
/** Driver indicates TX status events for EAPOL Data frames */
#define WPA_DRIVER_FLAGS_EAPOL_TX_STATUS 0x00010000
/* Driver indicates TX status events for Deauth/Disassoc frames */
/** Driver indicates TX status events for Deauth/Disassoc frames */
#define WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS 0x00020000
/* Driver supports roaming (BSS selection) in firmware */
/** Driver supports roaming (BSS selection) in firmware */
#define WPA_DRIVER_FLAGS_BSS_SELECTION 0x00040000
/* Driver supports operating as a TDLS peer */
/** Driver supports operating as a TDLS peer */
#define WPA_DRIVER_FLAGS_TDLS_SUPPORT 0x00080000
/* Driver requires external TDLS setup/teardown/discovery */
/** Driver requires external TDLS setup/teardown/discovery */
#define WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP 0x00100000
/* Driver indicates support for Probe Response offloading in AP mode */
/** Driver indicates support for Probe Response offloading in AP mode */
#define WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD 0x00200000
/* Driver supports U-APSD in AP mode */
/** Driver supports U-APSD in AP mode */
#define WPA_DRIVER_FLAGS_AP_UAPSD 0x00400000
/* Driver supports inactivity timer in AP mode */
/** Driver supports inactivity timer in AP mode */
#define WPA_DRIVER_FLAGS_INACTIVITY_TIMER 0x00800000
/* Driver expects user space implementation of MLME in AP mode */
/** Driver expects user space implementation of MLME in AP mode */
#define WPA_DRIVER_FLAGS_AP_MLME 0x01000000
/* Driver supports SAE with user space SME */
/** Driver supports SAE with user space SME */
#define WPA_DRIVER_FLAGS_SAE 0x02000000
/* Driver makes use of OBSS scan mechanism in wpa_supplicant */
/** Driver makes use of OBSS scan mechanism in wpa_supplicant */
#define WPA_DRIVER_FLAGS_OBSS_SCAN 0x04000000
/* Driver supports IBSS (Ad-hoc) mode */
/** Driver supports IBSS (Ad-hoc) mode */
#define WPA_DRIVER_FLAGS_IBSS 0x08000000
/* Driver supports radar detection */
/** Driver supports radar detection */
#define WPA_DRIVER_FLAGS_RADAR 0x10000000
/* Driver supports a dedicated interface for P2P Device */
/** Driver supports a dedicated interface for P2P Device */
#define WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE 0x20000000
/* Driver supports QoS Mapping */
/** Driver supports QoS Mapping */
#define WPA_DRIVER_FLAGS_QOS_MAPPING 0x40000000
/* Driver supports CSA in AP mode */
/** Driver supports CSA in AP mode */
#define WPA_DRIVER_FLAGS_AP_CSA 0x80000000
/* Driver supports mesh */
/** Driver supports mesh */
#define WPA_DRIVER_FLAGS_MESH 0x0000000100000000ULL
/* Driver support ACS offload */
/** Driver support ACS offload */
#define WPA_DRIVER_FLAGS_ACS_OFFLOAD 0x0000000200000000ULL
/* Driver supports key management offload */
/** Driver supports key management offload */
#define WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD 0x0000000400000000ULL
u64 flags;
@ -1087,9 +1168,16 @@ struct wpa_driver_capa {
unsigned int wmm_ac_supported:1;
/** Maximum number of supported active probe SSIDs */
int max_scan_ssids;
/** Maximum number of supported active probe SSIDs for sched_scan */
int max_sched_scan_ssids;
/** Whether sched_scan (offloaded scanning) is supported */
int sched_scan_supported;
/** Maximum number of supported match sets for sched_scan */
int max_match_sets;
/**
@ -1107,13 +1195,13 @@ struct wpa_driver_capa {
* probe_resp_offloads - Bitmap of supported protocols by the driver
* for Probe Response offloading.
*/
/* Driver Probe Response offloading support for WPS ver. 1 */
/** Driver Probe Response offloading support for WPS ver. 1 */
#define WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS 0x00000001
/* Driver Probe Response offloading support for WPS ver. 2 */
/** Driver Probe Response offloading support for WPS ver. 2 */
#define WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2 0x00000002
/* Driver Probe Response offloading support for P2P */
/** Driver Probe Response offloading support for P2P */
#define WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P 0x00000004
/* Driver Probe Response offloading support for IEEE 802.11u (Interworking) */
/** Driver Probe Response offloading support for IEEE 802.11u (Interworking) */
#define WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING 0x00000008
unsigned int probe_resp_offloads;
@ -1135,11 +1223,11 @@ struct wpa_driver_capa {
struct wowlan_triggers wowlan_triggers;
/* Driver adds the DS Params Set IE in Probe Request frames */
/** Driver adds the DS Params Set IE in Probe Request frames */
#define WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES 0x00000001
/* Driver adds the WFA TPC IE in Probe Request frames */
/** Driver adds the WFA TPC IE in Probe Request frames */
#define WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES 0x00000002
/* Driver handles quiet period requests */
/** Driver handles quiet period requests */
#define WPA_DRIVER_FLAGS_QUIET 0x00000004
/**
* Driver is capable of inserting the current TX power value into the body of
@ -4330,7 +4418,7 @@ union wpa_event_data {
* survey_results - Survey result data for EVENT_SURVEY
* @freq_filter: Requested frequency survey filter, 0 if request
* was for all survey data
* @survey_list: Linked list of survey data
* @survey_list: Linked list of survey data (struct freq_survey)
*/
struct survey_results {
unsigned int freq_filter;