* wireless hardware capability structures
*/
-/**
- * enum ieee80211_band - supported frequency bands
- *
- * The bands are assigned this way because the supported
- * bitrates differ in these bands.
- *
- * @IEEE80211_BAND_2GHZ: 2.4GHz ISM band
- * @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7)
- * @IEEE80211_BAND_60GHZ: around 60 GHz band (58.32 - 64.80 GHz)
- * @IEEE80211_NUM_BANDS: number of defined bands
- */
-enum ieee80211_band {
- IEEE80211_BAND_2GHZ = NL80211_BAND_2GHZ,
- IEEE80211_BAND_5GHZ = NL80211_BAND_5GHZ,
- IEEE80211_BAND_60GHZ = NL80211_BAND_60GHZ,
-
- /* keep last */
- IEEE80211_NUM_BANDS
-};
-
/**
* enum ieee80211_channel_flags - channel flags
*
* @dfs_cac_ms: DFS CAC time in milliseconds, this is valid for DFS channels.
*/
struct ieee80211_channel {
- enum ieee80211_band band;
+ enum nl80211_band band;
u16 center_freq;
u16 hw_value;
u32 flags;
struct ieee80211_supported_band {
struct ieee80211_channel *channels;
struct ieee80211_rate *bitrates;
- enum ieee80211_band band;
+ enum nl80211_band band;
int n_channels;
int n_bitrates;
struct ieee80211_sta_ht_cap ht_cap;
* @supported_oper_classes_len: number of supported operating classes
* @opmode_notif: operating mode field from Operating Mode Notification
* @opmode_notif_used: information if operating mode field is used
+ * @support_p2p_ps: information if station supports P2P PS mechanism
*/
struct station_parameters {
const u8 *supported_rates;
u8 supported_oper_classes_len;
u8 opmode_notif;
bool opmode_notif_used;
+ int support_p2p_ps;
};
/**
bool user_mpm;
u8 dtim_period;
u16 beacon_interval;
- int mcast_rate[IEEE80211_NUM_BANDS];
+ int mcast_rate[NUM_NL80211_BANDS];
u32 basic_rates;
};
* @mac_addr_mask: MAC address mask used with randomisation, bits that
* are 0 in the mask should be randomised, bits that are 1 should
* be taken from the @mac_addr
+ * @bssid: BSSID to scan for (most commonly, the wildcard BSSID)
*/
struct cfg80211_scan_request {
struct cfg80211_ssid *ssids;
size_t ie_len;
u32 flags;
- u32 rates[IEEE80211_NUM_BANDS];
+ u32 rates[NUM_NL80211_BANDS];
struct wireless_dev *wdev;
u8 mac_addr[ETH_ALEN] __aligned(2);
u8 mac_addr_mask[ETH_ALEN] __aligned(2);
+ u8 bssid[ETH_ALEN] __aligned(2);
/* internal */
struct wiphy *wiphy;
};
/**
- * struct cfg80211_bss_ie_data - BSS entry IE data
+ * struct cfg80211_bss_ies - BSS entry IE data
* @tsf: TSF contained in the frame that carried these IEs
* @rcu_head: internal use, for freeing
* @len: length of the IEs
* @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
+ * @prev_bssid: previous BSSID, if not %NULL use reassociate frame. This is used
+ * to indicate a request to reassociate within the ESS instead of a request
+ * do the initial association with the ESS. When included, this is set to
+ * the BSSID of the current association, i.e., to the value that is
+ * included in the Current AP address field of the Reassociation Request
+ * frame.
* @flags: See &enum cfg80211_assoc_req_flags
* @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
* will be used in ht_capa. Un-supported values will be ignored.
bool privacy;
bool control_port;
bool userspace_handles_dfs;
- int mcast_rate[IEEE80211_NUM_BANDS];
+ int mcast_rate[NUM_NL80211_BANDS];
struct ieee80211_ht_cap ht_capa;
struct ieee80211_ht_cap ht_capa_mask;
};
+/**
+ * struct cfg80211_bss_select_adjust - BSS selection with RSSI adjustment.
+ *
+ * @band: band of BSS which should match for RSSI level adjustment.
+ * @delta: value of RSSI level adjustment.
+ */
+struct cfg80211_bss_select_adjust {
+ enum nl80211_band band;
+ s8 delta;
+};
+
+/**
+ * struct cfg80211_bss_selection - connection parameters for BSS selection.
+ *
+ * @behaviour: requested BSS selection behaviour.
+ * @param: parameters for requestion behaviour.
+ * @band_pref: preferred band for %NL80211_BSS_SELECT_ATTR_BAND_PREF.
+ * @adjust: parameters for %NL80211_BSS_SELECT_ATTR_RSSI_ADJUST.
+ */
+struct cfg80211_bss_selection {
+ enum nl80211_bss_select_attr behaviour;
+ union {
+ enum nl80211_band band_pref;
+ struct cfg80211_bss_select_adjust adjust;
+ } param;
+};
+
/**
* struct cfg80211_connect_params - Connection parameters
*
* @vht_capa_mask: The bits of vht_capa which are to be used.
* @pbss: if set, connect to a PCP instead of AP. Valid for DMG
* networks.
+ * @bss_select: criteria to be used for BSS selection.
+ * @prev_bssid: previous BSSID, if not %NULL use reassociate frame. This is used
+ * to indicate a request to reassociate within the ESS instead of a request
+ * do the initial association with the ESS. When included, this is set to
+ * the BSSID of the current association, i.e., to the value that is
+ * included in the Current AP address field of the Reassociation Request
+ * frame.
*/
struct cfg80211_connect_params {
struct ieee80211_channel *channel;
struct ieee80211_vht_cap vht_capa;
struct ieee80211_vht_cap vht_capa_mask;
bool pbss;
+ struct cfg80211_bss_selection bss_select;
+ const u8 *prev_bssid;
};
/**
u8 ht_mcs[IEEE80211_HT_MCS_MASK_LEN];
u16 vht_mcs[NL80211_VHT_NSS_MAX];
enum nl80211_txrate_gi gi;
- } control[IEEE80211_NUM_BANDS];
+ } control[NUM_NL80211_BANDS];
};
/**
* struct cfg80211_pmksa - PMK Security Association
* @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.
+ * with the status from the AP. The driver is allowed to roam to other
+ * BSSes within the ESS when the other BSS matches the connect parameters.
+ * When such roaming is initiated by the driver, the driver is expected to
+ * verify that the target matches the configured security parameters and
+ * to use Reassociation Request frame instead of Association Request frame.
+ * The connect function can also be used to request the driver to perform
+ * a specific roam when connected to an ESS. In that case, the prev_bssid
+ * parameter is set to the BSSID of the currently associated BSS as an
+ * indication of requesting reassociation. In both the driver-initiated and
+ * new connect() call initiated roaming cases, the result of roaming is
+ * indicated with a call to cfg80211_roamed() or cfg80211_roamed_bss().
* (invoked with the wireless_dev mutex held)
* @disconnect: Disconnect from the BSS/ESS.
* (invoked with the wireless_dev mutex held)
int (*leave_ibss)(struct wiphy *wiphy, struct net_device *dev);
int (*set_mcast_rate)(struct wiphy *wiphy, struct net_device *dev,
- int rate[IEEE80211_NUM_BANDS]);
+ int rate[NUM_NL80211_BANDS]);
int (*set_wiphy_params)(struct wiphy *wiphy, u32 changed);
* low rssi when a frame is heard on different channel, then it should set
* this variable to the maximal offset for which it can compensate.
* This value should be set in MHz.
+ * @bss_select_support: bitmask indicating the BSS selection criteria supported
+ * by the driver in the .connect() callback. The bit position maps to the
+ * attribute indices defined in &enum nl80211_bss_select_attr.
*/
struct wiphy {
/* assign these fields before you register the wiphy */
* help determine whether you own this wiphy or not. */
const void *privid;
- struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS];
+ struct ieee80211_supported_band *bands[NUM_NL80211_BANDS];
/* Lets us get back the wiphy on the callback */
void (*reg_notifier)(struct wiphy *wiphy,
u8 max_num_csa_counters;
u8 max_adj_channel_rssi_comp;
+ u32 bss_select_support;
+
char priv[0] __aligned(NETDEV_ALIGN);
};
* @band: band, necessary due to channel number overlap
* Return: The corresponding frequency (in MHz), or 0 if the conversion failed.
*/
-int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band);
+int ieee80211_channel_to_frequency(int chan, enum nl80211_band band);
/**
* ieee80211_frequency_to_channel - convert frequency to channel number
* Returns %true if the conversion was successful, %false otherwise.
*/
bool ieee80211_operating_class_to_band(u8 operating_class,
- enum ieee80211_band *band);
+ enum nl80211_band *band);
/**
* ieee80211_chandef_to_operating_class - convert chandef to operation class
projects / cascardo / linux.git / blobdiff