diff options
Diffstat (limited to 'include/net/mac80211.h')
| -rw-r--r-- | include/net/mac80211.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index acf9eaf59641..dc2ea46eb5d6 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1622,6 +1622,14 @@ enum ieee80211_tx_sync_type { }; /** + * enum ieee80211_frame_release_type - frame release reason + * @IEEE80211_FRAME_RELEASE_PSPOLL: frame released for PS-Poll + */ +enum ieee80211_frame_release_type { + IEEE80211_FRAME_RELEASE_PSPOLL, +}; + +/** * struct ieee80211_ops - callbacks from mac80211 to the driver * * This structure contains various callbacks that the driver may @@ -1931,6 +1939,23 @@ enum ieee80211_tx_sync_type { * The callback can sleep. * @rssi_callback: Notify driver when the average RSSI goes above/below * thresholds that were registered previously. The callback can sleep. + * + * @release_buffered_frames: Release buffered frames according to the given + * parameters. In the case where the driver buffers some frames for + * sleeping stations mac80211 will use this callback to tell the driver + * to release some frames, either for PS-poll or uAPSD. + * Note that if the @more_data paramter is %false the driver must check + * if there are more frames on the given TIDs, and if there are more than + * the frames being released then it must still set the more-data bit in + * the frame. If the @more_data parameter is %true, then of course the + * more-data bit must always be set. + * The @tids parameter tells the driver which TIDs to release frames + * from, for PS-poll it will always have only a single bit set. + * In the case this is used for uAPSD, the @num_frames parameter may be + * bigger than one, but the driver may send fewer frames (it must send + * at least one, however). In this case it is also responsible for + * setting the EOSP flag in the QoS header of the frames. + * This callback must be atomic. */ struct ieee80211_ops { void (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb); @@ -2045,6 +2070,12 @@ struct ieee80211_ops { const struct cfg80211_bitrate_mask *mask); void (*rssi_callback)(struct ieee80211_hw *hw, enum ieee80211_rssi_event rssi_event); + + void (*release_buffered_frames)(struct ieee80211_hw *hw, + struct ieee80211_sta *sta, + u16 tids, int num_frames, + enum ieee80211_frame_release_type reason, + bool more_data); }; /** |