src/drivers/driver.h

138 	 * allowed_bw - Allowed channel width bitmask
156 	 * surveyed channel data
163 	 * channel (used internally in src/ap/acs.c; driver wrappers do not
223  * @channels: Bitmap that indicates the 2.16 GHz channel(s)
225  *	Bit 0 indicates channel 1, bit 1 indicates channel 2, etc.
228  *	the allowed channel bandwidth configurations
326  * @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
589 	  * duration - Dwell time on each channel
592 	  * channel. In TUs.
728 	 * freq - Primary channel center frequency in MHz
733 	 * channel - Channel number
735 	int channel;
743 	 * sec_channel_offset - Secondary channel offset for HT40
746 	 * -1 = HT40 enabled, secondary channel below primary,
747 	 * 1 = HT40 enabled, secondary channel above primary
771 	 * Non-zero only for bandwidth 80 and an 80+80 channel
881 	 * freq - channel parameters
886 	 * freq_hint - Frequency of the channel the proposed AP is using
888 	 * This provides a channel on which a suitable BSS has been found as a
1064 	 * fixed_freq - Fix control channel in IBSS mode
1065 	 * 0 = don't fix control channel (default)
1066 	 * 1 = fix control channel; this prevents IBSS merging with another
1067 	 *	channel
1879 /** Driver supports dynamic HT 20/40 MHz channel changes during BSS lifetime */
1904 /** Driver supports off-channel TX */
1944 /** Driver supports TDLS channel switching */
1952 /** Driver supports simultaneous off-channel operations */
2062 	 * max_remain_on_chan - Maximum remain-on-channel duration in msec
2301  * struct wpa_signal_info - Information about channel signal quality
2310  * @chanwidth: channel width
2328  * struct wpa_channel_info - Information about the current channel
2329  * @frequency: Center frequency of the primary 20 MHz channel
2330  * @chanwidth: Width of the current operating channel
2331  * @sec_channel: Location of the secondary 20 MHz channel (either +1 or -1).
2332  *	This field is only filled in when using a 40 MHz channel.
2335  * @seg1_idx: Frequency segment 1 index when using a 80+80 channel. This is
2379  * struct csa_settings - Settings for channel switch command
2382  * @freq_params: Next channel frequency parameter
2456 	/* Configured ACS channel width */
2860 	 * @wait: Time to wait off-channel for a response (in ms), or zero
3270 	 * set_freq - Set channel/frequency (AP only)
3469 	 * @freq: Frequency (in MHz) of the channel
3470 	 * @wait: Time to wait off-channel for a response (in ms), or zero
3483 	 * be transmitted on the given channel and the device will wait for a
3484 	 * response on that channel for the given wait time.
3487 	 * if a remain-on-channel duration is in progress, the frame must be
3488 	 * transmitted on that channel; alternatively the frame may be sent on
3489 	 * the current operational channel (if in associated state in station
3510 	 * remain_on_channel - Remain awake on a channel
3512 	 * @freq: Frequency (in MHz) of the channel
3517 	 * specified channel for the specified duration and report received
3522 	 * The driver may not be at the requested channel when this function
3526 	 * completed the channel change. This may take some time due to other
3535 	 * cancel_remain_on_channel - Cancel remain-on-channel operation
3538 	 * This command can be used to cancel a remain-on-channel operation
3543 	 * remain-on-channel operation.
3559 	 * reported, e.g., during remain-on-channel operations.
3786 	 * channel_info - Get parameters of the current operating channel
3971 	 * switch_channel - Announce channel switch and migrate the GO to the
3974 	 * @settings: Settings for CSA period and new channel
3977 	 * This function is used to move the GO to the legacy STA channel to
3978 	 * avoid frequency conflict in single channel concurrency.
4005 	 * Enable channel-switching with TDLS peer
4008 	 * @oper_class: Operating class of the switch channel
4013 	 * different channel with a specified TDLS peer. The switching is
4021 	 * Disable channel switching with TDLS peer
4032 	 * start_dfs_cac - Listen for radar interference on the channel
4059 	 * - the observed channel noise floor
4060 	 * - the amount of time we have spent on the channel
4061 	 * - the amount of time during which we have spent on the channel that
4068 	 * Automatic Channel Selection (ACS). The channel survey data is
4069 	 * kept on a linked list on the channel data, one entry is added
4070 	 * for each survey. The min_nf of the channel is updated for each
4210 	 * create_receive_sc - create secure channel for receiving
4212 	 * @sc: secure channel
4225 	 * @sc: secure channel
4265 	 * @sc: secure channel
4275 	 * @sc: secure channel
4349 	 * do_acs - Automatically select channel
4372 	 * @freq_list: Preferred channel frequency list encoded in MHz values
4382 	 * set_prob_oper_freq - Indicate probable P2P operating channel
4769 	 * EVENT_REMAIN_ON_CHANNEL - Remain-on-channel duration started
4772 	 * requested remain-on-channel duration. Information about the
4778 	 * EVENT_CANCEL_REMAIN_ON_CHANNEL - Remain-on-channel timed out
4781 	 * remain-on-channel duration, i.e., may noot be available on the
4782 	 * requested channel anymore. Information about the
4847 	 * This event is used to indicate that the channel list has changed,
4859 	 * operating channel would need to be changed to a DFS channel when
4861 	 * interfaces caused the operating channel to change. Other similar
4863 	 * interfaces. This event can be propagated when channel switching
4871 	 * Driver generates this event whenever it detects a better channel
4872 	 * (e.g., based on RSSI or channel use). This information can be used
4873 	 * to improve channel selection for a new AP/P2P group.
4975 	 * react accordingly (e.g., change channel).
4980 	 * EVENT_DFS_CAC_FINISHED - Notify that channel availability check has been completed
4982 	 * After a successful CAC, the channel can be marked clear and used.
4987 	 * EVENT_DFS_CAC_ABORTED - Notify that channel availability check has been aborted
4989 	 * The CAC was not successful, and the channel remains in the previous
4998 	 * The channel which was previously unavailable is now available again.
5047 	 * EVENT_DFS_CAC_STARTED - Notify that channel availability check has
5050 	 * This event indicates that channel availability check has been started
5070 	 * EVENT_DFS_PRE_CAC_EXPIRED - Notify that channel availability check
5071 	 * done previously (Pre-CAC) on the channel has expired. This would
5073 	 * channel will be moved from available to usable. A new CAC has to be
5074 	 * performed before start operating on this channel.
5139  * @freq: Center of frequency of the surveyed channel
5141  * @channel_time: Amount of time in ms the radio spent on the channel
5143  *     that indicated to the radio the channel was not clear
5284 		 * freq - Frequency of the operational channel in MHz
5669 		 * duration - Duration to remain on the channel in milliseconds
5763 	 * @freq_24: Best 2.4 GHz band channel frequency in MHz
5764 	 * @freq_5: Best 5 GHz band channel frequency in MHz
5765 	 * @freq_overall: Best channel frequency in MHz
5840 	 * @freq: Frequency of new channel in MHz
5841 	 * @ht_enabled: Whether this is an HT channel
5842 	 * @ch_offset: Secondary channel offset
5871 	 * @freq: Frequency of the channel in MHz
5931 	 * @edmg_channel: Selected EDMG channel
5932 	 * @vht_seg0_center_ch: VHT mode Segment0 center channel
5933 	 *	The value is the index of the channel center frequency for
5937 	 * @vht_seg1_center_ch: VHT mode Segment1 center channel
5939 	 *	value is the index of the channel center frequency for 160 MHz
5943 	 *	change hostapd configured ACS channel width due driver internal
5944 	 *	channel restrictions.