/*
* WPA Supplicant - driver interface definition
- * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#define AUTH_ALG_OPEN_SYSTEM 0x01
#define AUTH_ALG_SHARED_KEY 0x02
#define AUTH_ALG_LEAP 0x04
+#define AUTH_ALG_FT 0x08
#define IEEE80211_MODE_INFRA 0
#define IEEE80211_MODE_IBSS 1
};
+#define WPA_SCAN_QUAL_INVALID BIT(0)
+#define WPA_SCAN_NOISE_INVALID BIT(1)
+#define WPA_SCAN_LEVEL_INVALID BIT(2)
+#define WPA_SCAN_LEVEL_DBM BIT(3)
+
/**
* struct wpa_scan_res - Scan result for an BSS/IBSS
+ * @flags: information flags about the BSS/IBSS (WPA_SCAN_*)
* @bssid: BSSID
* @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
* @beacon_int: beacon interval in TUs (host byte order)
* report all IEs to make it easier to support future additions.
*/
struct wpa_scan_res {
+ unsigned int flags;
u8 bssid[ETH_ALEN];
int freq;
u16 beacon_int;
};
/**
+ * struct wpa_interface_info - Network interface information
+ * @next: Pointer to the next interface or NULL if this is the last one
+ * @ifname: Interface name that can be used with init() or init2()
+ * @desc: Human readable adapter description (e.g., vendor/model) or NULL if
+ * not available
+ * @drv_bame: struct wpa_driver_ops::name (note: unlike other strings, this one
+ * is not an allocated copy, i.e., get_interfaces() caller will not free
+ * this)
+ */
+struct wpa_interface_info {
+ struct wpa_interface_info *next;
+ char *ifname;
+ char *desc;
+ const char *drv_name;
+};
+
+#define WPAS_MAX_SCAN_SSIDS 4
+
+/**
+ * struct wpa_driver_scan_params - Scan parameters
+ * Data for struct wpa_driver_ops::scan2().
+ */
+struct wpa_driver_scan_params {
+ /**
+ * ssids - SSIDs to scan for
+ */
+ struct wpa_driver_scan_ssid {
+ /**
+ * ssid - specific SSID to scan for (ProbeReq)
+ * %NULL or zero-length SSID is used to indicate active scan
+ * with wildcard SSID.
+ */
+ const u8 *ssid;
+ /**
+ * ssid_len: Length of the SSID in octets
+ */
+ size_t ssid_len;
+ } ssids[WPAS_MAX_SCAN_SSIDS];
+
+ /**
+ * num_ssids - Number of entries in ssids array
+ * Zero indicates a request for a passive scan.
+ */
+ size_t num_ssids;
+
+ /**
+ * extra_ies - Extra IE(s) to add into Probe Request or %NULL
+ */
+ const u8 *extra_ies;
+
+ /**
+ * extra_ies_len - Length of extra_ies in octets
+ */
+ size_t extra_ies_len;
+
+ /**
+ * freqs - Array of frequencies to scan or %NULL for all frequencies
+ *
+ * The frequency is set in MHz. The array is zero-terminated.
+ */
+ int *freqs;
+};
+
+/**
+ * struct wpa_driver_auth_params - Authentication parameters
+ * Data for struct wpa_driver_ops::authenticate().
+ */
+struct wpa_driver_auth_params {
+ int freq;
+ const u8 *bssid;
+ const u8 *ssid;
+ size_t ssid_len;
+ int auth_alg;
+ const u8 *ie;
+ size_t ie_len;
+};
+
+/**
* struct wpa_driver_associate_params - Association parameters
* Data for struct wpa_driver_ops::associate().
*/
* be prepared to handle %NULL value as an error.
*/
const u8 *psk;
+
+ /**
+ * drop_unencrypted - Enable/disable unencrypted frame filtering
+ *
+ * Configure the driver to drop all non-EAPOL frames (both receive and
+ * transmit paths). Unencrypted EAPOL frames (ethertype 0x888e) must
+ * still be allowed for key negotiation.
+ */
+ int drop_unencrypted;
};
/**
/* 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
+#define WPA_DRIVER_FLAGS_WIRED 0x00000010
+/* Driver provides separate commands for authentication and association (SME in
+ * wpa_supplicant). */
+#define WPA_DRIVER_FLAGS_SME 0x00000020
+/* Driver supports AP mode */
+#define WPA_DRIVER_FLAGS_AP 0x00000040
unsigned int flags;
+
+ int max_scan_ssids;
};
* Configure the driver to drop all non-EAPOL frames (both receive and
* transmit paths). Unencrypted EAPOL frames (ethertype 0x888e) must
* still be allowed for key negotiation.
+ *
+ * This function is deprecated. New driver wrapper implementations
+ * should use associate() parameter drop_unencrypted instead.
*/
int (*set_drop_unencrypted)(void *priv, int enabled);
/**
- * scan - Request the driver to initiate scan
+ * scan - Request the driver to initiate scan (old version)
* @priv: private driver interface data
* @ssid: specific SSID to scan for (ProbeReq) or %NULL to scan for
- * all SSIDs (either active scan with broadcast SSID or passive
- * scan
+ * all SSIDs (either active scan with wildcard SSID or passive
+ * scan)
* @ssid_len: length of the SSID
*
* Returns: 0 on success, -1 on failure
* Once the scan results are ready, the driver should report scan
* results event for wpa_supplicant which will eventually request the
* results with wpa_driver_get_scan_results().
+ *
+ * This function is deprecated. New driver wrapper implementations
+ * should implement support for scan2().
*/
int (*scan)(void *priv, const u8 *ssid, size_t ssid_len);
* returned and the remaining entries will not be included in the
* buffer.
*
- * This function is depracated. New driver wrapper implementations
+ * This function is deprecated. New driver wrapper implementations
* should implement support for get_scan_results2().
*/
int (*get_scan_results)(void *priv,
* associate() params, so set_auth_alg may not be needed in case of
* most drivers.
*
+ * This function is deprecated. New driver wrapper implementations
+ * should use associate() parameter auth_alg instead.
+ *
* Returns: 0 on success, -1 on failure
*/
int (*set_auth_alg)(void *priv, int auth_alg);
int (*flush_pmkid)(void *priv);
/**
- * flush_pmkid - Flush PMKSA cache
+ * get_capa - Get driver capabilities
* @priv: private driver interface data
*
* Returns: 0 on success, -1 on failure
struct wpa_scan_results * (*get_scan_results2)(void *priv);
/**
- * * set_probe_req_ie - Set information element(s) for Probe Request
+ * set_probe_req_ie - Set information element(s) for Probe Request
* @priv: private driver interface data
* @ies: Information elements to append or %NULL to remove extra IEs
* @ies_len: Length of the IE buffer in octets
* This handler will be called before any key configuration and call to
* associate() handler in order to allow the operation mode to be
* configured as early as possible. This information is also available
- * in associate() params and as such, some driver wrappers may not need
+ * in associate() params and as such, driver wrappers may not need
* to implement set_mode() handler.
+ *
+ * This function is deprecated. New driver wrapper implementations
+ * should use associate() parameter mode instead.
+ *
* Returns: 0 on success, -1 on failure
*/
int (*set_mode)(void *priv, int mode);
* uses global data.
*/
void * (*init2)(void *ctx, const char *ifname, void *global_priv);
-};
-/* Function to check whether a driver is for wired connections */
-static inline int IS_WIRED(const struct wpa_driver_ops *drv)
-{
- return os_strcmp(drv->name, "wired") == 0 ||
- os_strcmp(drv->name, "roboswitch") == 0;
-}
+ /**
+ * get_interfaces - Get information about available interfaces
+ * @global_priv: private driver global data from global_init()
+ * Returns: Allocated buffer of interface information (caller is
+ * responsible for freeing the data structure) on success, NULL on
+ * failure
+ */
+ struct wpa_interface_info * (*get_interfaces)(void *global_priv);
+
+ /**
+ * scan2 - Request the driver to initiate scan
+ * @priv: private driver interface data
+ * @params: Scan parameters
+ *
+ * Returns: 0 on success, -1 on failure
+ *
+ * Once the scan results are ready, the driver should report scan
+ * results event for wpa_supplicant which will eventually request the
+ * results with wpa_driver_get_scan_results2().
+ */
+ int (*scan2)(void *priv, struct wpa_driver_scan_params *params);
+
+ /**
+ * authenticate - Request driver to authenticate
+ * @priv: private driver interface data
+ * @params: authentication parameters
+ * Returns: 0 on success, -1 on failure
+ *
+ * This is an optional function that can be used with drivers that
+ * support separate authentication and association steps, i.e., when
+ * wpa_supplicant can act as the SME. If not implemented, associate()
+ * function is expected to take care of IEEE 802.11 authentication,
+ * too.
+ */
+ int (*authenticate)(void *priv,
+ struct wpa_driver_auth_params *params);
+
+ int (*set_beacon)(void *priv, const u8 *head, size_t head_len,
+ const u8 *tail, size_t tail_len, int dtim_period);
+
+ int (*set_beacon_int)(void *priv, int value);
+};
/**
* enum wpa_event_type - Event type for wpa_supplicant_event() calls
*
* This event should be called when association is lost either due to
* receiving deauthenticate or disassociate frame from the AP or when
- * sending either of these frames to the current AP.
+ * sending either of these frames to the current AP. If the driver
+ * supports separate deauthentication event, EVENT_DISASSOC should only
+ * be used for disassociation and EVENT_DEAUTH for deauthentication.
*/
EVENT_DISASSOC,
* FT authentication sequence from the AP. The FT IEs are included in
* the extra information in union wpa_event_data::ft_ies.
*/
- EVENT_FT_RESPONSE
+ EVENT_FT_RESPONSE,
+
+ /**
+ * EVENT_IBSS_RSN_START - Request RSN authentication in IBSS
+ *
+ * The driver can use this event to inform wpa_supplicant about a STA
+ * in an IBSS with which protected frames could be exchanged. This
+ * event starts RSN authentication with the other STA to authenticate
+ * the STA and set up encryption keys with it.
+ */
+ EVENT_IBSS_RSN_START,
+
+ /**
+ * EVENT_AUTH - Authentication result
+ *
+ * This event should be called when authentication attempt has been
+ * completed. This is only used if the driver supports separate
+ * authentication step (struct wpa_driver_ops::authenticate).
+ * Information about authentication result is included in
+ * union wpa_event_data::auth.
+ */
+ EVENT_AUTH,
+
+ /**
+ * EVENT_DEAUTH - Authentication lost
+ *
+ * This event should be called when authentication is lost either due
+ * to receiving deauthenticate frame from the AP or when sending that
+ * frame to the current AP.
+ */
+ EVENT_DEAUTH,
+
+ /**
+ * EVENT_ASSOC_REJECT - Association rejected
+ *
+ * This event should be called when (re)association attempt has been
+ * rejected by the AP. Information about authentication result is
+ * included in union wpa_event_data::assoc_reject.
+ */
+ EVENT_ASSOC_REJECT
} wpa_event_type;
size_t ies_len;
int ft_action;
u8 target_ap[ETH_ALEN];
+ /** Optional IE(s), e.g., WMM TSPEC(s), for RIC-Request */
+ const u8 *ric_ies;
+ /** Length of ric_ies buffer in octets */
+ size_t ric_ies_len;
} ft_ies;
+
+ /**
+ * struct ibss_rsn_start - Data for EVENT_IBSS_RSN_START
+ */
+ struct ibss_rsn_start {
+ u8 peer[ETH_ALEN];
+ } ibss_rsn_start;
+
+ /**
+ * struct auth_info - Data for EVENT_AUTH events
+ */
+ struct auth_info {
+ u8 peer[ETH_ALEN];
+ u16 auth_type;
+ u16 status_code;
+ const u8 *ies;
+ size_t ies_len;
+ } auth;
+
+ /**
+ * struct assoc_reject - Data for EVENT_ASSOC_REJECT events
+ */
+ struct assoc_reject {
+ /**
+ * resp_ies - (Re)Association Response IEs
+ *
+ * Optional association data from the driver. This data is not
+ * required WPA, but may be useful for some protocols and as
+ * such, should be reported if this is available to the driver
+ * interface.
+ *
+ * This should start with the first IE (fixed fields before IEs
+ * are not included).
+ */
+ u8 *resp_ies;
+
+ /**
+ * resp_ies_len - Length of resp_ies in bytes
+ */
+ size_t resp_ies_len;
+
+ /**
+ * status_code - Status Code from (Re)association Response
+ */
+ u16 status_code;
+ } assoc_reject;
};
/**
projects / wpasupplicant / blobdiff