diff options
Diffstat (limited to 'include/net/cfg80211.h')
| -rw-r--r-- | include/net/cfg80211.h | 570 |
1 files changed, 445 insertions, 125 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index d1892d66701..3d874c62021 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -80,7 +80,6 @@ enum ieee80211_channel_flags { * with cfg80211. * * @center_freq: center frequency in MHz - * @max_bandwidth: maximum allowed bandwidth for this channel, in MHz * @hw_value: hardware-specific value for the channel * @flags: channel flags from &enum ieee80211_channel_flags. * @orig_flags: channel flags at registration time, used by regulatory @@ -97,7 +96,6 @@ enum ieee80211_channel_flags { struct ieee80211_channel { enum ieee80211_band band; u16 center_freq; - u8 max_bandwidth; u16 hw_value; u32 flags; int max_antenna_gain; @@ -372,6 +370,10 @@ struct rate_info { * @txrate: current unicast bitrate to this station * @rx_packets: packets received from this station * @tx_packets: packets transmitted to this station + * @generation: generation number for nl80211 dumps. + * This number should increase every time the list of stations + * changes, i.e. when a station is added or removed, so that + * userspace can tell whether it got a consistent snapshot. */ struct station_info { u32 filled; @@ -385,6 +387,8 @@ struct station_info { struct rate_info txrate; u32 rx_packets; u32 tx_packets; + + int generation; }; /** @@ -444,6 +448,10 @@ enum mpath_info_flags { * @flags: mesh path flags * @discovery_timeout: total mesh path discovery timeout, in msecs * @discovery_retries: mesh path discovery retries + * @generation: generation number for nl80211 dumps. + * This number should increase every time the list of mesh paths + * changes, i.e. when a station is added or removed, so that + * userspace can tell whether it got a consistent snapshot. */ struct mpath_info { u32 filled; @@ -454,6 +462,8 @@ struct mpath_info { u32 discovery_timeout; u8 discovery_retries; u8 flags; + + int generation; }; /** @@ -538,23 +548,26 @@ struct cfg80211_ssid { * @ssids: SSIDs to scan for (active scan only) * @n_ssids: number of SSIDs * @channels: channels to scan on. - * @n_channels: number of channels for each band + * @n_channels: total number of channels to scan * @ie: optional information element(s) to add into Probe Request or %NULL * @ie_len: length of ie in octets * @wiphy: the wiphy this was for - * @ifidx: the interface index + * @dev: the interface */ struct cfg80211_scan_request { struct cfg80211_ssid *ssids; int n_ssids; - struct ieee80211_channel **channels; u32 n_channels; const u8 *ie; size_t ie_len; /* internal */ struct wiphy *wiphy; - int ifidx; + struct net_device *dev; + bool aborted; + + /* keep last */ + struct ieee80211_channel *channels[0]; }; /** @@ -584,7 +597,6 @@ enum cfg80211_signal_type { * is no guarantee that these are well-formed!) * @len_information_elements: total length of the information elements * @signal: signal strength value (type depends on the wiphy's signal_type) - * @hold: BSS should not expire * @free_priv: function pointer to free private data * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes */ @@ -605,37 +617,59 @@ struct cfg80211_bss { }; /** + * ieee80211_bss_get_ie - find IE with given ID + * @bss: the bss to search + * @ie: the IE ID + * Returns %NULL if not found. + */ +const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie); + + +/** + * struct cfg80211_crypto_settings - Crypto settings + * @wpa_versions: indicates which, if any, WPA versions are enabled + * (from enum nl80211_wpa_versions) + * @cipher_group: group key cipher suite (or 0 if unset) + * @n_ciphers_pairwise: number of AP supported unicast ciphers + * @ciphers_pairwise: unicast key cipher suites + * @n_akm_suites: number of AKM suites + * @akm_suites: AKM suites + * @control_port: Whether user space controls IEEE 802.1X port, i.e., + * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is + * required to assume that the port is unauthorized until authorized by + * user space. Otherwise, port is marked authorized by default. + */ +struct cfg80211_crypto_settings { + u32 wpa_versions; + u32 cipher_group; + int n_ciphers_pairwise; + u32 ciphers_pairwise[NL80211_MAX_NR_CIPHER_SUITES]; + int n_akm_suites; + u32 akm_suites[NL80211_MAX_NR_AKM_SUITES]; + bool control_port; +}; + +/** * struct cfg80211_auth_request - Authentication request data * * This structure provides information needed to complete IEEE 802.11 * authentication. - * NOTE: This structure will likely change when more code from mac80211 is - * moved into cfg80211 so that non-mac80211 drivers can benefit from it, too. - * Before using this in a driver that does not use mac80211, it would be better - * to check the status of that work and better yet, volunteer to work on it. - * - * @chan: The channel to use or %NULL if not specified (auto-select based on - * scan results) - * @peer_addr: The address of the peer STA (AP BSSID in infrastructure case); - * this field is required to be present; if the driver wants to help with - * BSS selection, it should use (yet to be added) MLME event to allow user - * space SME to be notified of roaming candidate, so that the SME can then - * use the authentication request with the recommended BSSID and whatever - * other data may be needed for authentication/association - * @ssid: SSID or %NULL if not yet available - * @ssid_len: Length of ssid in octets + * + * @bss: The BSS to authenticate with. * @auth_type: Authentication type (algorithm) * @ie: Extra IEs to add to Authentication frame or %NULL * @ie_len: Length of ie buffer in octets + * @key_len: length of WEP key for shared key authentication + * @key_idx: index of WEP key for shared key authentication + * @key: WEP key for shared key authentication */ struct cfg80211_auth_request { - struct ieee80211_channel *chan; - u8 *peer_addr; - const u8 *ssid; - size_t ssid_len; - enum nl80211_auth_type auth_type; + struct cfg80211_bss *bss; const u8 *ie; size_t ie_len; + enum nl80211_auth_type auth_type; + const u8 *key; + u8 key_len, key_idx; }; /** @@ -643,35 +677,19 @@ struct cfg80211_auth_request { * * This structure provides information needed to complete IEEE 802.11 * (re)association. - * NOTE: This structure will likely change when more code from mac80211 is - * moved into cfg80211 so that non-mac80211 drivers can benefit from it, too. - * Before using this in a driver that does not use mac80211, it would be better - * to check the status of that work and better yet, volunteer to work on it. - * - * @chan: The channel to use or %NULL if not specified (auto-select based on - * scan results) - * @peer_addr: The address of the peer STA (AP BSSID); this field is required - * to be present and the STA must be in State 2 (authenticated) with the - * peer STA - * @ssid: SSID - * @ssid_len: Length of ssid in octets + * @bss: The BSS to associate with. * @ie: Extra IEs to add to (Re)Association Request frame or %NULL * @ie_len: Length of ie buffer in octets * @use_mfp: Use management frame protection (IEEE 802.11w) in this association - * @control_port: Whether user space controls IEEE 802.1X port, i.e., - * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is - * required to assume that the port is unauthorized until authorized by - * user space. Otherwise, port is marked authorized by default. + * @crypto: crypto settings + * @prev_bssid: previous BSSID, if not %NULL use reassociate frame */ struct cfg80211_assoc_request { - struct ieee80211_channel *chan; - u8 *peer_addr; - const u8 *ssid; - size_t ssid_len; - const u8 *ie; + struct cfg80211_bss *bss; + const u8 *ie, *prev_bssid; size_t ie_len; + struct cfg80211_crypto_settings crypto; bool use_mfp; - bool control_port; }; /** @@ -680,16 +698,16 @@ struct cfg80211_assoc_request { * This structure provides information needed to complete IEEE 802.11 * deauthentication. * - * @peer_addr: The address of the peer STA (AP BSSID); this field is required - * to be present and the STA must be authenticated with the peer STA + * @bss: the BSS to deauthenticate from * @ie: Extra IEs to add to Deauthentication frame or %NULL * @ie_len: Length of ie buffer in octets + * @reason_code: The reason code for the deauthentication */ struct cfg80211_deauth_request { - u8 *peer_addr; - u16 reason_code; + struct cfg80211_bss *bss; const u8 *ie; size_t ie_len; + u16 reason_code; }; /** @@ -698,16 +716,16 @@ struct cfg80211_deauth_request { * This structure provides information needed to complete IEEE 802.11 * disassocation. * - * @peer_addr: The address of the peer STA (AP BSSID); this field is required - * to be present and the STA must be associated with the peer STA + * @bss: the BSS to disassociate from * @ie: Extra IEs to add to Disassociation frame or %NULL * @ie_len: Length of ie buffer in octets + * @reason_code: The reason code for the disassociation */ struct cfg80211_disassoc_request { - u8 *peer_addr; - u16 reason_code; + struct cfg80211_bss *bss; const u8 *ie; size_t ie_len; + u16 reason_code; }; /** @@ -726,6 +744,8 @@ struct cfg80211_disassoc_request { * @ie: information element(s) to include in the beacon * @ie_len: length of that * @beacon_interval: beacon interval to use + * @privacy: this is a protected network, keys will be configured + * after joining */ struct cfg80211_ibss_params { u8 *ssid; @@ -735,6 +755,42 @@ struct cfg80211_ibss_params { u8 ssid_len, ie_len; u16 beacon_interval; bool channel_fixed; + bool privacy; +}; + +/** + * struct cfg80211_connect_params - Connection parameters + * + * This structure provides information needed to complete IEEE 802.11 + * authentication and association. + * + * @channel: The channel to use or %NULL if not specified (auto-select based + * on scan results) + * @bssid: The AP BSSID or %NULL if not specified (auto-select based on scan + * results) + * @ssid: SSID + * @ssid_len: Length of ssid in octets + * @auth_type: Authentication type (algorithm) + * @assoc_ie: IEs for association request + * @assoc_ie_len: Length of assoc_ie in octets + * @privacy: indicates whether privacy-enabled APs should be used + * @crypto: crypto settings + * @key_len: length of WEP key for shared key authentication + * @key_idx: index of WEP key for shared key authentication + * @key: WEP key for shared key authentication + */ +struct cfg80211_connect_params { + struct ieee80211_channel *channel; + u8 *bssid; + u8 *ssid; + size_t ssid_len; + enum nl80211_auth_type auth_type; + u8 *ie; + size_t ie_len; + bool privacy; + struct cfg80211_crypto_settings crypto; + const u8 *key; + u8 key_len, key_idx; }; /** @@ -764,6 +820,26 @@ enum tx_power_setting { TX_POWER_FIXED, }; +/* + * cfg80211_bitrate_mask - masks for bitrate control + */ +struct cfg80211_bitrate_mask { +/* + * As discussed in Berlin, this struct really + * should look like this: + + struct { + u32 legacy; + u8 mcs[IEEE80211_HT_MCS_MASK_LEN]; + } control[IEEE80211_NUM_BANDS]; + + * Since we can always fix in-kernel users, let's keep + * it simpler for now: + */ + u32 fixed; /* fixed bitrate, 0 == not fixed */ + u32 maxrate; /* in kbps, 0 == no limit */ +}; + /** * struct cfg80211_ops - backend description for wireless configuration * @@ -781,7 +857,8 @@ enum tx_power_setting { * @resume: wiphy device needs to be resumed * * @add_virtual_intf: create a new virtual interface with the given name, - * must set the struct wireless_dev's iftype. + * must set the struct wireless_dev's iftype. Beware: You must create + * the new netdev in the wiphy's network namespace! * * @del_virtual_intf: remove the virtual interface determined by ifindex. * @@ -841,6 +918,12 @@ enum tx_power_setting { * @deauth: Request to deauthenticate from the specified peer * @disassoc: Request to disassociate from the specified peer * + * @connect: Connect to the ESS with the specified parameters. When connected, + * call cfg80211_connect_result() with status code %WLAN_STATUS_SUCCESS. + * If the connection fails for some reason, call cfg80211_connect_result() + * with the status from the AP. + * @disconnect: Disconnect from the BSS/ESS. + * * @join_ibss: Join the specified IBSS (or create if necessary). Once done, call * cfg80211_ibss_joined(), also call that function when changing BSSID due * to a merge. @@ -857,6 +940,8 @@ enum tx_power_setting { * * @rfkill_poll: polls the hw rfkill line, use cfg80211 reporting * functions to adjust rfkill hw state + * + * @testmode_cmd: run a test mode command */ struct cfg80211_ops { int (*suspend)(struct wiphy *wiphy); @@ -865,8 +950,9 @@ struct cfg80211_ops { int (*add_virtual_intf)(struct wiphy *wiphy, char *name, enum nl80211_iftype type, u32 *flags, struct vif_params *params); - int (*del_virtual_intf)(struct wiphy *wiphy, int ifindex); - int (*change_virtual_intf)(struct wiphy *wiphy, int ifindex, + int (*del_virtual_intf)(struct wiphy *wiphy, struct net_device *dev); + int (*change_virtual_intf)(struct wiphy *wiphy, + struct net_device *dev, enum nl80211_iftype type, u32 *flags, struct vif_params *params); @@ -939,9 +1025,16 @@ struct cfg80211_ops { int (*assoc)(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_assoc_request *req); int (*deauth)(struct wiphy *wiphy, struct net_device *dev, - struct cfg80211_deauth_request *req); + struct cfg80211_deauth_request *req, + void *cookie); int (*disassoc)(struct wiphy *wiphy, struct net_device *dev, - struct cfg80211_disassoc_request *req); + struct cfg80211_disassoc_request *req, + void *cookie); + + int (*connect)(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_connect_params *sme); + int (*disconnect)(struct wiphy *wiphy, struct net_device *dev, + u16 reason_code); int (*join_ibss)(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ibss_params *params); @@ -953,7 +1046,23 @@ struct cfg80211_ops { enum tx_power_setting type, int dbm); int (*get_tx_power)(struct wiphy *wiphy, int *dbm); + int (*set_wds_peer)(struct wiphy *wiphy, struct net_device *dev, + u8 *addr); + void (*rfkill_poll)(struct wiphy *wiphy); + +#ifdef CONFIG_NL80211_TESTMODE + int (*testmode_cmd)(struct wiphy *wiphy, void *data, int len); +#endif + + int (*set_bitrate_mask)(struct wiphy *wiphy, + struct net_device *dev, + const u8 *peer, + const struct cfg80211_bitrate_mask *mask); + + /* some temporary stuff to finish wext */ + int (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev, + bool enabled, int timeout); }; /* @@ -996,6 +1105,12 @@ struct cfg80211_ops { * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold); * -1 = fragmentation disabled, only odd values >= 256 used * @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled + * @net: the network namespace this wiphy currently lives in + * @netnsok: if set to false, do not allow changing the netns of this + * wiphy at all + * @ps_default: default for powersave, will be set depending on the + * kernel's default on wiphy_new(), but can be changed by the + * driver if it has a good reason to override the default */ struct wiphy { /* assign these fields before you register the wiphy */ @@ -1010,6 +1125,9 @@ struct wiphy { bool strict_regulatory; bool disable_beacon_hints; + bool netnsok; + bool ps_default; + enum cfg80211_signal_type signal_type; int bss_priv_size; @@ -1048,9 +1166,35 @@ struct wiphy { /* dir in debugfs: ieee80211/<wiphyname> */ struct dentry *debugfsdir; +#ifdef CONFIG_NET_NS + /* the network namespace this phy lives in currently */ + struct net *_net; +#endif + char priv[0] __attribute__((__aligned__(NETDEV_ALIGN))); }; +#ifdef CONFIG_NET_NS +static inline struct net *wiphy_net(struct wiphy *wiphy) +{ + return wiphy->_net; +} + +static inline void wiphy_net_set(struct wiphy *wiphy, struct net *net) +{ + wiphy->_net = net; +} +#else +static inline struct net *wiphy_net(struct wiphy *wiphy) +{ + return &init_net; +} + +static inline void wiphy_net_set(struct wiphy *wiphy, struct net *net) +{ +} +#endif + /** * wiphy_priv - return priv from wiphy * @@ -1063,6 +1207,17 @@ static inline void *wiphy_priv(struct wiphy *wiphy) } /** + * priv_to_wiphy - return the wiphy containing the priv + * + * @priv: a pointer previously returned by wiphy_priv + */ +static inline struct wiphy *priv_to_wiphy(void *priv) +{ + BUG_ON(!priv); + return container_of(priv, struct wiphy, priv); +} + +/** * set_wiphy_dev - set device pointer for wiphy * * @wiphy: The wiphy whose device to bind @@ -1134,6 +1289,13 @@ extern void wiphy_unregister(struct wiphy *wiphy); */ extern void wiphy_free(struct wiphy *wiphy); +/* internal structs */ +struct cfg80211_conn; +struct cfg80211_internal_bss; +struct cfg80211_cached_keys; + +#define MAX_AUTH_BSSES 4 + /** * struct wireless_dev - wireless per-netdev state * @@ -1157,22 +1319,45 @@ struct wireless_dev { struct wiphy *wiphy; enum nl80211_iftype iftype; - /* private to the generic wireless code */ + /* the remainder of this struct should be private to cfg80211 */ struct list_head list; struct net_device *netdev; - /* currently used for IBSS - might be rearranged in the future */ - struct cfg80211_bss *current_bss; - u8 bssid[ETH_ALEN]; + struct mutex mtx; + + struct work_struct cleanup_work; + + /* currently used for IBSS and SME - might be rearranged later */ u8 ssid[IEEE80211_MAX_SSID_LEN]; u8 ssid_len; + enum { + CFG80211_SME_IDLE, + CFG80211_SME_CONNECTING, + CFG80211_SME_CONNECTED, + } sme_state; + struct cfg80211_conn *conn; + struct cfg80211_cached_keys *connect_keys; + + struct list_head event_list; + spinlock_t event_lock; + + struct cfg80211_internal_bss *authtry_bsses[MAX_AUTH_BSSES]; + struct cfg80211_internal_bss *auth_bsses[MAX_AUTH_BSSES]; + struct cfg80211_internal_bss *current_bss; /* associated / joined */ #ifdef CONFIG_WIRELESS_EXT /* wext data */ struct { struct cfg80211_ibss_params ibss; - u8 bssid[ETH_ALEN]; + struct cfg80211_connect_params connect; + struct cfg80211_cached_keys *keys; + u8 *ie; + size_t ie_len; + u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; + u8 ssid[IEEE80211_MAX_SSID_LEN]; s8 default_key, default_mgmt_key; + bool ps, prev_bssid_valid; + int ps_timeout; } wext; #endif }; @@ -1352,20 +1537,6 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb); extern int regulatory_hint(struct wiphy *wiphy, const char *alpha2); /** - * regulatory_hint_11d - hints a country IE as a regulatory domain - * @wiphy: the wireless device giving the hint (used only for reporting - * conflicts) - * @country_ie: pointer to the country IE - * @country_ie_len: length of the country IE - * - * We will intersect the rd with the what CRDA tells us should apply - * for the alpha2 this country IE belongs to, this prevents APs from - * sending us incorrect or outdated information against a country. - */ -extern void regulatory_hint_11d(struct wiphy *wiphy, - u8 *country_ie, - u8 country_ie_len); -/** * wiphy_apply_custom_regulatory - apply a custom driver regulatory domain * @wiphy: the wireless device we want to process the regulatory domain on * @regd: the custom regulatory domain to use for this wiphy @@ -1433,27 +1604,34 @@ int cfg80211_wext_siwmlme(struct net_device *dev, int cfg80211_wext_giwrange(struct net_device *dev, struct iw_request_info *info, struct iw_point *data, char *extra); -int cfg80211_ibss_wext_siwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra); -int cfg80211_ibss_wext_giwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra); -int cfg80211_ibss_wext_siwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid); -int cfg80211_ibss_wext_giwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid); -int cfg80211_ibss_wext_siwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra); -int cfg80211_ibss_wext_giwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra); +int cfg80211_wext_siwgenie(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *extra); +int cfg80211_wext_siwauth(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *data, char *extra); +int cfg80211_wext_giwauth(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *data, char *extra); -struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy, - struct iw_freq *freq); +int cfg80211_wext_siwfreq(struct net_device *dev, + struct iw_request_info *info, + struct iw_freq *freq, char *extra); +int cfg80211_wext_giwfreq(struct net_device *dev, + struct iw_request_info *info, + struct iw_freq *freq, char *extra); +int cfg80211_wext_siwessid(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *ssid); +int cfg80211_wext_giwessid(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *ssid); +int cfg80211_wext_siwrate(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rate, char *extra); +int cfg80211_wext_giwrate(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rate, char *extra); int cfg80211_wext_siwrts(struct net_device *dev, struct iw_request_info *info, @@ -1488,6 +1666,21 @@ int cfg80211_wext_siwtxpower(struct net_device *dev, int cfg80211_wext_giwtxpower(struct net_device *dev, struct iw_request_info *info, union iwreq_data *data, char *keybuf); +struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev); + +int cfg80211_wext_siwpower(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *wrq, char *extra); +int cfg80211_wext_giwpower(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *wrq, char *extra); + +int cfg80211_wext_siwap(struct net_device *dev, + struct iw_request_info *info, + struct sockaddr *ap_addr, char *extra); +int cfg80211_wext_giwap(struct net_device *dev, + struct iw_request_info *info, + struct sockaddr *ap_addr, char *extra); /* * callbacks for asynchronous cfg80211 methods, notification @@ -1569,7 +1762,7 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss); * This function is called whenever an authentication has been processed in * station mode. The driver is required to call either this function or * cfg80211_send_auth_timeout() to indicate the result of cfg80211_ops::auth() - * call. + * call. This function may sleep. */ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len); @@ -1577,6 +1770,8 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len); * cfg80211_send_auth_timeout - notification of timed out authentication * @dev: network device * @addr: The MAC address of the device with which the authentication timed out + * + * This function may sleep. */ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr); @@ -1589,7 +1784,7 @@ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr); * This function is called whenever a (re)association response has been * processed in station mode. The driver is required to call either this * function or cfg80211_send_assoc_timeout() to indicate the result of - * cfg80211_ops::assoc() call. + * cfg80211_ops::assoc() call. This function may sleep. */ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len); @@ -1597,6 +1792,8 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len); * cfg80211_send_assoc_timeout - notification of timed out association * @dev: network device * @addr: The MAC address of the device with which the association timed out + * + * This function may sleep. */ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr); @@ -1605,41 +1802,30 @@ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr); * @dev: network device * @buf: deauthentication frame (header + body) * @len: length of the frame data + * @cookie: cookie from ->deauth if called within that callback, + * %NULL otherwise * * This function is called whenever deauthentication has been processed in * station mode. This includes both received deauthentication frames and - * locally generated ones. + * locally generated ones. This function may sleep. */ -void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len); +void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len, + void *cookie); /** * cfg80211_send_disassoc - notification of processed disassociation * @dev: network device * @buf: disassociation response frame (header + body) * @len: length of the frame data + * @cookie: cookie from ->disassoc if called within that callback, + * %NULL otherwise * * This function is called whenever disassociation has been processed in * station mode. This includes both received disassociation frames and locally - * generated ones. - */ -void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len); - -/** - * cfg80211_hold_bss - exclude bss from expiration - * @bss: bss which should not expire - * - * In a case when the BSS is not updated but it shouldn't expire this - * function can be used to mark the BSS to be excluded from expiration. - */ -void cfg80211_hold_bss(struct cfg80211_bss *bss); - -/** - * cfg80211_unhold_bss - remove expiration exception from the BSS - * @bss: bss which can expire again - * - * This function marks the BSS to be expirable again. + * generated ones. This function may sleep. */ -void cfg80211_unhold_bss(struct cfg80211_bss *bss); +void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len, + void *cookie); /** * cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP) @@ -1648,6 +1834,7 @@ void cfg80211_unhold_bss(struct cfg80211_bss *bss); * @key_type: The key type that the received frame used * @key_id: Key identifier (0..3) * @tsc: The TSC value of the frame that generated the MIC failure (6 octets) + * @gfp: allocation flags * * This function is called whenever the local MAC detects a MIC failure in a * received frame. This matches with MLME-MICHAELMICFAILURE.indication() @@ -1655,7 +1842,7 @@ void cfg80211_unhold_bss(struct cfg80211_bss *bss); */ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, enum nl80211_key_type key_type, int key_id, - const u8 *tsc); + const u8 *tsc, gfp_t gfp); /** * cfg80211_ibss_joined - notify cfg80211 that device joined an IBSS @@ -1692,4 +1879,137 @@ void wiphy_rfkill_start_polling(struct wiphy *wiphy); */ void wiphy_rfkill_stop_polling(struct wiphy *wiphy); +#ifdef CONFIG_NL80211_TESTMODE +/** + * cfg80211_testmode_alloc_reply_skb - allocate testmode reply + * @wiphy: the wiphy + * @approxlen: an upper bound of the length of the data that will + * be put into the skb + * + * This function allocates and pre-fills an skb for a reply to + * the testmode command. Since it is intended for a reply, calling + * it outside of the @testmode_cmd operation is invalid. + * + * The returned skb (or %NULL if any errors happen) is pre-filled + * with the wiphy index and set up in a way that any data that is + * put into the skb (with skb_put(), nla_put() or similar) will end + * up being within the %NL80211_ATTR_TESTDATA attribute, so all that + * needs to be done with the skb is adding data for the corresponding + * userspace tool which can then read that data out of the testdata + * attribute. You must not modify the skb in any other way. + * + * When done, call cfg80211_testmode_reply() with the skb and return + * its error code as the result of the @testmode_cmd operation. + */ +struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, + int approxlen); + +/** + * cfg80211_testmode_reply - send the reply skb + * @skb: The skb, must have been allocated with + * cfg80211_testmode_alloc_reply_skb() + * + * Returns an error code or 0 on success, since calling this + * function will usually be the last thing before returning + * from the @testmode_cmd you should return the error code. + * Note that this function consumes the skb regardless of the + * return value. + */ +int cfg80211_testmode_reply(struct sk_buff *skb); + +/** + * cfg80211_testmode_alloc_event_skb - allocate testmode event + * @wiphy: the wiphy + * @approxlen: an upper bound of the length of the data that will + * be put into the skb + * @gfp: allocation flags + * + * This function allocates and pre-fills an skb for an event on the + * testmode multicast group. + * + * The returned skb (or %NULL if any errors happen) is set up in the + * same way as with cfg80211_testmode_alloc_reply_skb() but prepared + * for an event. As there, you should simply add data to it that will + * then end up in the %NL80211_ATTR_TESTDATA attribute. Again, you must + * not modify the skb in any other way. + * + * When done filling the skb, call cfg80211_testmode_event() with the + * skb to send the event. + */ +struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, + int approxlen, gfp_t gfp); + +/** + * cfg80211_testmode_event - send the event + * @skb: The skb, must have been allocated with + * cfg80211_testmode_alloc_event_skb() + * @gfp: allocation flags + * + * This function sends the given @skb, which must have been allocated + * by cfg80211_testmode_alloc_event_skb(), as an event. It always + * consumes it. + */ +void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp); + +#define CFG80211_TESTMODE_CMD(cmd) .testmode_cmd = (cmd), +#else +#define CFG80211_TESTMODE_CMD(cmd) +#endif + +/** + * cfg80211_connect_result - notify cfg80211 of connection result + * + * @dev: network device + * @bssid: the BSSID of the AP + * @req_ie: association request IEs (maybe be %NULL) + * @req_ie_len: association request IEs length + * @resp_ie: association response IEs (may be %NULL) + * @resp_ie_len: assoc response IEs length + * @status: status code, 0 for successful connection, use + * %WLAN_STATUS_UNSPECIFIED_FAILURE if your device cannot give you + * the real status code for failures. + * @gfp: allocation flags + * + * It should be called by the underlying driver whenever connect() has + * succeeded. + */ +void cfg80211_connect_result(struct net_device *dev, const u8 *bssid, + const u8 *req_ie, size_t req_ie_len, + const u8 *resp_ie, size_t resp_ie_len, + u16 status, gfp_t gfp); + +/** + * cfg80211_roamed - notify cfg80211 of roaming + * + * @dev: network device + * @bssid: the BSSID of the new AP + * @req_ie: association request IEs (maybe be %NULL) + * @req_ie_len: association request IEs length + * @resp_ie: association response IEs (may be %NULL) + * @resp_ie_len: assoc response IEs length + * @gfp: allocation flags + * + * It should be called by the underlying driver whenever it roamed + * from one AP to another while connected. + */ +void cfg80211_roamed(struct net_device *dev, const u8 *bssid, + const u8 *req_ie, size_t req_ie_len, + const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp); + +/** + * cfg80211_disconnected - notify cfg80211 that connection was dropped + * + * @dev: network device + * @ie: information elements of the deauth/disassoc frame (may be %NULL) + * @ie_len: length of IEs + * @reason: reason code for the disconnection, set it to 0 if unknown + * @gfp: allocation flags + * + * After it calls this function, the driver should enter an idle state + * and not try to connect to any AP any more. + */ +void cfg80211_disconnected(struct net_device *dev, u16 reason, + u8 *ie, size_t ie_len, gfp_t gfp); + + #endif /* __NET_CFG80211_H */ |