* @dfs_state: current state of this channel. Only relevant if radar is required
* on this channel.
* @dfs_state_entered: timestamp (jiffies) when the dfs state was entered.
+ * @dfs_cac_ms: DFS CAC time in milliseconds, this is valid for DFS channels.
*/
struct ieee80211_channel {
enum ieee80211_band band;
int orig_mag, orig_mpwr;
enum nl80211_dfs_state dfs_state;
unsigned long dfs_state_entered;
+ unsigned int dfs_cac_ms;
};
/**
/**
* struct cfg80211_match_set - sets of attributes to match
*
- * @ssid: SSID to be matched
+ * @ssid: SSID to be matched; may be zero-length for no match (RSSI only)
+ * @rssi_thold: don't report scan results below this threshold (in s32 dBm)
*/
struct cfg80211_match_set {
struct cfg80211_ssid ssid;
+ s32 rssi_thold;
};
/**
* @dev: the interface
* @scan_start: start time of the scheduled scan
* @channels: channels to scan
- * @rssi_thold: don't report scan results below this threshold (in s32 dBm)
+ * @min_rssi_thold: for drivers only supporting a single threshold, this
+ * contains the minimum over all matchsets
*/
struct cfg80211_sched_scan_request {
struct cfg80211_ssid *ssids;
u32 flags;
struct cfg80211_match_set *match_sets;
int n_match_sets;
- s32 rssi_thold;
+ s32 min_rssi_thold;
/* internal */
struct wiphy *wiphy;
*
* @channel: The channel to use or %NULL if not specified (auto-select based
* on scan results)
+ * @channel_hint: The channel of the recommended BSS for initial connection or
+ * %NULL if not specified
* @bssid: The AP BSSID or %NULL if not specified (auto-select based on scan
* results)
+ * @bssid_hint: The recommended AP BSSID for initial connection to the BSS or
+ * %NULL if not specified. Unlike the @bssid parameter, the driver is
+ * allowed to ignore this @bssid_hint if it has knowledge of a better BSS
+ * to use.
* @ssid: SSID
* @ssid_len: Length of ssid in octets
* @auth_type: Authentication type (algorithm)
*/
struct cfg80211_connect_params {
struct ieee80211_channel *channel;
- u8 *bssid;
- u8 *ssid;
+ struct ieee80211_channel *channel_hint;
+ const u8 *bssid;
+ const u8 *bssid_hint;
+ const u8 *ssid;
size_t ssid_len;
enum nl80211_auth_type auth_type;
- u8 *ie;
+ const u8 *ie;
size_t ie_len;
bool privacy;
enum nl80211_mfp mfp;
u32 legacy;
u8 ht_mcs[IEEE80211_HT_MCS_MASK_LEN];
u16 vht_mcs[NL80211_VHT_NSS_MAX];
+ enum nl80211_txrate_gi gi;
} control[IEEE80211_NUM_BANDS];
};
/**
* @set_cqm_txe_config: Configure connection quality monitor TX error
* thresholds.
* @sched_scan_start: Tell the driver to start a scheduled scan.
- * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan.
+ * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan. This
+ * call must stop the scheduled scan and be ready for starting a new one
+ * before it returns, i.e. @sched_scan_start may be called immediately
+ * after that again and should not fail in that case. The driver should
+ * not call cfg80211_sched_scan_stopped() for a requested stop (when this
+ * method returns 0.)
*
* @mgmt_frame_register: Notify driver that a management frame type was
* registered. Note that this callback may not sleep, and cannot run
int (*tdls_mgmt)(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, u8 action_code, u8 dialog_token,
- u16 status_code, const u8 *buf, size_t len);
+ u16 status_code, u32 peer_capability,
+ const u8 *buf, size_t len);
int (*tdls_oper)(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, enum nl80211_tdls_operation oper);
int (*start_radar_detection)(struct wiphy *wiphy,
struct net_device *dev,
- struct cfg80211_chan_def *chandef);
+ struct cfg80211_chan_def *chandef,
+ u32 cac_time_ms);
int (*update_ft_ies)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_update_ft_ies_params *ftie);
int (*crit_proto_start)(struct wiphy *wiphy,
* only in special cases.
* @radar_detect_widths: bitmap of channel widths supported for radar detection
*
- * These examples can be expressed as follows:
+ * With this structure the driver can describe which interface
+ * combinations it supports concurrently.
+ *
+ * Examples:
*
- * Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total:
+ * 1. Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total:
*
* struct ieee80211_iface_limit limits1[] = {
* { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), },
* };
*
*
- * Allow #{AP, P2P-GO} <= 8, channels = 1, 8 total:
+ * 2. Allow #{AP, P2P-GO} <= 8, channels = 1, 8 total:
*
* struct ieee80211_iface_limit limits2[] = {
* { .max = 8, .types = BIT(NL80211_IFTYPE_AP) |
* };
*
*
- * Allow #STA <= 1, #{P2P-client,P2P-GO} <= 3 on two channels, 4 total.
+ * 3. Allow #STA <= 1, #{P2P-client,P2P-GO} <= 3 on two channels, 4 total.
+ *
* This allows for an infrastructure connection and three P2P connections.
*
* struct ieee80211_iface_limit limits3[] = {
* @perm_addr: permanent MAC address of this device
* @addr_mask: If the device supports multiple MAC addresses by masking,
* set this to a mask with variable bits set to 1, e.g. if the last
- * four bits are variable then set it to 00:...:00:0f. The actual
+ * four bits are variable then set it to 00-00-00-00-00-0f. The actual
* variable bits shall be determined by the interfaces added, with
* interfaces not matching the mask being rejected to be brought up.
* @n_addresses: number of addresses in @addresses.
* @n_vendor_commands: number of vendor commands
* @vendor_events: array of vendor events supported by the hardware
* @n_vendor_events: number of vendor events
+ *
+ * @max_ap_assoc_sta: maximum number of associated stations supported in AP mode
+ * (including P2P GO) or 0 to indicate no such limit is advertised. The
+ * driver is allowed to advertise a theoretical limit that it can reach in
+ * some cases, but may not always reach.
*/
struct wiphy {
/* assign these fields before you register the wiphy */
const struct nl80211_vendor_cmd_info *vendor_events;
int n_vendor_commands, n_vendor_events;
+ u16 max_ap_assoc_sta;
+
char priv[0] __aligned(NETDEV_ALIGN);
};
* @identifier: (private) Identifier used in nl80211 to identify this
* wireless device if it has no netdev
* @current_bss: (private) Used by the internal configuration code
- * @channel: (private) Used by the internal configuration code to track
- * the user-set AP, monitor and WDS channel
+ * @chandef: (private) Used by the internal configuration code to track
+ * the user-set channel definition.
* @preset_chandef: (private) Used by the internal configuration code to
* track the channel to be used for AP later
* @bssid: (private) Used by the internal configuration code
* @p2p_started: true if this is a P2P Device that has been started
* @cac_started: true if DFS channel availability check has been started
* @cac_start_time: timestamp (jiffies) when the dfs state was entered.
+ * @cac_time_ms: CAC time in ms
* @ps: powersave mode is enabled
* @ps_timeout: dynamic powersave timeout
* @ap_unexpected_nlportid: (private) netlink port ID of application
struct cfg80211_internal_bss *current_bss; /* associated / joined */
struct cfg80211_chan_def preset_chandef;
-
- /* for AP and mesh channel tracking */
- struct ieee80211_channel *channel;
+ struct cfg80211_chan_def chandef;
bool ibss_fixed;
bool ibss_dfs_possible;
bool cac_started;
unsigned long cac_start_time;
+ unsigned int cac_time_ms;
#ifdef CONFIG_CFG80211_WEXT
/* wext data */
* cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
*
* @wiphy: the wiphy reporting the BSS
- * @channel: The channel the frame was received on
+ * @rx_channel: The channel the frame was received on
* @scan_width: width of the control channel
* @mgmt: the management frame (probe response or beacon)
* @len: length of the management frame
*/
struct cfg80211_bss * __must_check
cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
+ struct ieee80211_channel *rx_channel,
enum nl80211_bss_scan_width scan_width,
struct ieee80211_mgmt *mgmt, size_t len,
s32 signal, gfp_t gfp);
static inline struct cfg80211_bss * __must_check
cfg80211_inform_bss_frame(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
+ struct ieee80211_channel *rx_channel,
struct ieee80211_mgmt *mgmt, size_t len,
s32 signal, gfp_t gfp)
{
- return cfg80211_inform_bss_width_frame(wiphy, channel,
+ return cfg80211_inform_bss_width_frame(wiphy, rx_channel,
NL80211_BSS_CHAN_WIDTH_20,
mgmt, len, signal, gfp);
}
* cfg80211_inform_bss - inform cfg80211 of a new BSS
*
* @wiphy: the wiphy reporting the BSS
- * @channel: The channel the frame was received on
+ * @rx_channel: The channel the frame was received on
* @scan_width: width of the control channel
* @bssid: the BSSID of the BSS
* @tsf: the TSF sent by the peer in the beacon/probe response (or 0)
*/
struct cfg80211_bss * __must_check
cfg80211_inform_bss_width(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
+ struct ieee80211_channel *rx_channel,
enum nl80211_bss_scan_width scan_width,
const u8 *bssid, u64 tsf, u16 capability,
u16 beacon_interval, const u8 *ie, size_t ielen,
static inline struct cfg80211_bss * __must_check
cfg80211_inform_bss(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
+ struct ieee80211_channel *rx_channel,
const u8 *bssid, u64 tsf, u16 capability,
u16 beacon_interval, const u8 *ie, size_t ielen,
s32 signal, gfp_t gfp)
{
- return cfg80211_inform_bss_width(wiphy, channel,
+ return cfg80211_inform_bss_width(wiphy, rx_channel,
NL80211_BSS_CHAN_WIDTH_20,
bssid, tsf, capability,
beacon_interval, ie, ielen, signal,
*
* @dev: network device
* @bssid: the BSSID of the IBSS joined
+ * @channel: the channel of the IBSS joined
* @gfp: allocation flags
*
* This function notifies cfg80211 that the device joined an IBSS or
* with the locally generated beacon -- this guarantees that there is
* always a scan result for this IBSS. cfg80211 will handle the rest.
*/
-void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp);
+void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
+ struct ieee80211_channel *channel, gfp_t gfp);
/**
* cfg80211_notify_new_candidate - notify cfg80211 of a new mesh peer candidate