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Commit 80e775bf authored by Michael Buesch's avatar Michael Buesch Committed by John W. Linville
Browse files

mac80211: Add software scan notifiers 



This adds optional notifier functions for software scan.

Signed-off-by: default avatarMichael Buesch <mb@bu3sch.de>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 8821905c

include/net/mac80211.h

+8 −0
Original line number Diff line number Diff line
@@ -1324,6 +1324,12 @@ enum ieee80211_ampdu_mlme_action { 
 *	because the hardware is turned off! Anything else is a bug!

 *	Returns a negative error code which will be seen in userspace.

 *

 * @sw_scan_start: Notifier function that is called just before a software scan

 *	is started. Can be NULL, if the driver doesn't need this notification.

 *

 * @sw_scan_complete: Notifier function that is called just after a software scan

 *	finished. Can be NULL, if the driver doesn't need this notification.

 *

 * @get_stats: Return low-level statistics.

 * 	Returns zero if statistics are available.

 *
@@ -1403,6 +1409,8 @@ struct ieee80211_ops { 
			u32 iv32, u16 *phase1key);

	int (*hw_scan)(struct ieee80211_hw *hw,

		       struct cfg80211_scan_request *req);

	void (*sw_scan_start)(struct ieee80211_hw *hw);

	void (*sw_scan_complete)(struct ieee80211_hw *hw);

	int (*get_stats)(struct ieee80211_hw *hw,

			 struct ieee80211_low_level_stats *stats);

	void (*get_tkip_seq)(struct ieee80211_hw *hw, u8 hw_key_idx,

net/mac80211/scan.c

+5 −0
Original line number Diff line number Diff line
@@ -245,6 +245,9 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted) 
	netif_addr_unlock(local->mdev);

	netif_tx_unlock_bh(local->mdev);



	if (local->ops->sw_scan_complete)

		local->ops->sw_scan_complete(local_to_hw(local));



	mutex_lock(&local->iflist_mtx);

	list_for_each_entry(sdata, &local->interfaces, list) {

		if (!netif_running(sdata->dev))
@@ -395,6 +398,8 @@ int ieee80211_start_scan(struct ieee80211_sub_if_data *scan_sdata, 
	}



	local->sw_scanning = true;

	if (local->ops->sw_scan_start)

		local->ops->sw_scan_start(local_to_hw(local));



	mutex_lock(&local->iflist_mtx);

	list_for_each_entry(sdata, &local->interfaces, list) {