* 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
struct ieee80211_channel {
enum ieee80211_band band;
u16 center_freq;
- u8 max_bandwidth;
u16 hw_value;
u32 flags;
int max_antenna_gain;
* @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;
struct rate_info txrate;
u32 rx_packets;
u32 tx_packets;
+
+ int generation;
};
/**
* @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;
u32 discovery_timeout;
u8 discovery_retries;
u8 flags;
+
+ int generation;
};
/**
* @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];
};
/**
* 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
*/
*
* 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;
};
/**
*
* 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
* @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;
- bool use_mfp;
struct cfg80211_crypto_settings crypto;
+ bool use_mfp;
};
/**
* 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;
};
/**
* 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;
};
/**
* @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;
u8 ssid_len, ie_len;
u16 beacon_interval;
bool channel_fixed;
+ bool privacy;
};
/**
* @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;
size_t ie_len;
bool privacy;
struct cfg80211_crypto_settings crypto;
+ const u8 *key;
+ u8 key_len, key_idx;
};
/**
* @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.
*
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 (*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,
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);
* channels at a later time. This can be used for devices which do not
* have calibration information gauranteed for frequencies or settings
* outside of its regulatory domain.
+ * @disable_beacon_hints: enable this if your driver needs to ensure that
+ * passive scan flags and beaconing flags may not be lifted by cfg80211
+ * due to regulatory beacon hints. For more information on beacon
+ * hints read the documenation for regulatory_hint_found_beacon()
* @reg_notifier: the driver's regulatory notification callback
* @regd: the driver's regulatory domain, if one was requested via
* the regulatory_hint() API. This can be used by the driver
* @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
*/
struct wiphy {
/* assign these fields before you register the wiphy */
bool custom_regulatory;
bool strict_regulatory;
+ bool disable_beacon_hints;
+
+ bool netnsok;
enum cfg80211_signal_type signal_type;
/* 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
*
*/
extern void wiphy_free(struct wiphy *wiphy);
-/* internal struct */
+/* 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
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;
+ struct mutex mtx;
+
/* currently used for IBSS and SME - might be rearranged later */
- struct cfg80211_bss *current_bss;
u8 ssid[IEEE80211_MAX_SSID_LEN];
u8 ssid_len;
enum {
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 {
- union {
- struct cfg80211_ibss_params ibss;
- struct cfg80211_connect_params connect;
- };
+ struct cfg80211_ibss_params ibss;
+ struct cfg80211_connect_params connect;
+ struct cfg80211_cached_keys *keys;
u8 *ie;
size_t ie_len;
- u8 bssid[ETH_ALEN];
+ u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
u8 ssid[IEEE80211_MAX_SSID_LEN];
s8 default_key, default_mgmt_key;
- bool ps;
+ bool ps, prev_bssid_valid;
int ps_timeout;
} wext;
#endif
*/
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
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_mgd_wext_siwfreq(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra);
-int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra);
-int cfg80211_mgd_wext_siwessid(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *ssid);
-int cfg80211_mgd_wext_giwessid(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *ssid);
-int cfg80211_mgd_wext_siwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *ap_addr, char *extra);
-int cfg80211_mgd_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);
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);
struct iw_request_info *info,
struct iw_param *wrq, char *extra);
-int cfg80211_wds_wext_siwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *addr, char *extra);
-int cfg80211_wds_wext_giwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *addr, 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
* @dev: network device
* @buf: authentication frame (header + body)
* @len: length of the frame data
- * @gfp: allocation flags
*
* 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, gfp_t gfp);
+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
- * @gfp: allocation flags
+ *
+ * This function may sleep.
*/
-void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr, gfp_t gfp);
+void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr);
/**
* cfg80211_send_rx_assoc - notification of processed association
* @dev: network device
* @buf: (re)association response frame (header + body)
* @len: length of the frame data
- * @gfp: allocation flags
*
* 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, gfp_t gfp);
+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
- * @gfp: allocation flags
+ *
+ * This function may sleep.
*/
-void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr, gfp_t gfp);
+void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr);
/**
* cfg80211_send_deauth - notification of processed deauthentication
* @dev: network device
* @buf: deauthentication frame (header + body)
* @len: length of the frame data
- * @gfp: allocation flags
+ * @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, gfp_t gfp);
+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
- * @gfp: allocation flags
+ * @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, gfp_t gfp);
-
-/**
- * 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)