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authorJohannes Berg <johannes@sipsolutions.net>2009-12-23 13:15:32 +0100
committerJohn W. Linville <linville@tuxdriver.com>2009-12-28 16:54:51 -0500
commita80f7c0b088187c8471b441d461e937991870661 (patch)
treef673c08009a03f2e988a638510b112a5584bea11 /include/net/mac80211.h
parent9607e6b66a0d25ca63b70d54a4283fa13d8f7c9d (diff)
mac80211: introduce flush operation
We've long lacked a good confirmation that frames have really gone out, e.g. before going off-channel for a scan. Add a flush() operation that drivers can implement to provide that confirmation, and use it in a few places: * before scanning sends the nullfunc frames * after scanning sends the nullfunc frames, if any * when going idle, to send any pending frames Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/net/mac80211.h')
-rw-r--r--include/net/mac80211.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 494ac69ff477..77ea34b03285 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1545,6 +1545,10 @@ enum ieee80211_ampdu_mlme_action {
* and need to call wiphy_rfkill_set_hw_state() in the callback.
*
* @testmode_cmd: Implement a cfg80211 test mode command.
+ *
+ * @flush: Flush all pending frames from the hardware queue, making sure
+ * that the hardware queues are empty. If the parameter @drop is set
+ * to %true, pending frames may be dropped.
*/
struct ieee80211_ops {
int (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);
@@ -1601,6 +1605,7 @@ struct ieee80211_ops {
#ifdef CONFIG_NL80211_TESTMODE
int (*testmode_cmd)(struct ieee80211_hw *hw, void *data, int len);
#endif
+ void (*flush)(struct ieee80211_hw *hw, bool drop);
};
/**