summaryrefslogtreecommitdiff
path: root/include/net/mac80211.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/net/mac80211.h')
-rw-r--r--include/net/mac80211.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 972109f06a70..9259e97864d7 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1586,6 +1586,20 @@ enum ieee80211_ampdu_mlme_action {
};
/**
+ * enum ieee80211_tx_sync_type - TX sync type
+ * @IEEE80211_TX_SYNC_AUTH: sync TX for authentication
+ * (and possibly also before direct probe)
+ * @IEEE80211_TX_SYNC_ASSOC: sync TX for association
+ * @IEEE80211_TX_SYNC_ACTION: sync TX for action frame
+ * (not implemented yet)
+ */
+enum ieee80211_tx_sync_type {
+ IEEE80211_TX_SYNC_AUTH,
+ IEEE80211_TX_SYNC_ASSOC,
+ IEEE80211_TX_SYNC_ACTION,
+};
+
+/**
* struct ieee80211_ops - callbacks from mac80211 to the driver
*
* This structure contains various callbacks that the driver may
@@ -1674,6 +1688,26 @@ enum ieee80211_ampdu_mlme_action {
* of the bss parameters has changed when a call is made. The callback
* can sleep.
*
+ * @tx_sync: Called before a frame is sent to an AP/GO. In the GO case, the
+ * driver should sync with the GO's powersaving so the device doesn't
+ * transmit the frame while the GO is asleep. In the regular AP case
+ * it may be used by drivers for devices implementing other restrictions
+ * on talking to APs, e.g. due to regulatory enforcement or just HW
+ * restrictions.
+ * This function is called for every authentication, association and
+ * action frame separately since applications might attempt to auth
+ * with multiple APs before chosing one to associate to. If it returns
+ * an error, the corresponding authentication, association or frame
+ * transmission is aborted and reported as having failed. It is always
+ * called after tuning to the correct channel.
+ * The callback might be called multiple times before @finish_tx_sync
+ * (but @finish_tx_sync will be called once for each) but in practice
+ * this is unlikely to happen. It can also refuse in that case if the
+ * driver cannot handle that situation.
+ * This callback can sleep.
+ * @finish_tx_sync: Called as a counterpart to @tx_sync, unless that returned
+ * an error. This callback can sleep.
+ *
* @prepare_multicast: Prepare for multicast filter configuration.
* This callback is optional, and its return value is passed
* to configure_filter(). This callback must be atomic.
@@ -1901,6 +1935,14 @@ struct ieee80211_ops {
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
u32 changed);
+
+ int (*tx_sync)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ const u8 *bssid, enum ieee80211_tx_sync_type type);
+ void (*finish_tx_sync)(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ const u8 *bssid,
+ enum ieee80211_tx_sync_type type);
+
u64 (*prepare_multicast)(struct ieee80211_hw *hw,
struct netdev_hw_addr_list *mc_list);
void (*configure_filter)(struct ieee80211_hw *hw,