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authorSara Sharon <sara.sharon@intel.com>2016-01-28 15:19:25 +0100
committerJohannes Berg <johannes.berg@intel.com>2016-02-24 09:04:31 +0100
commit06470f7468c8b6c95e72ebda803a61a99f4ee446 (patch)
tree3caa5f30aad82c42d12616aa6336ba3279d64bbb /net/mac80211/agg-rx.c
parentmac80211: change ieee80211_rx_reorder_ready() arguments (diff)
downloadlinux-06470f7468c8b6c95e72ebda803a61a99f4ee446.tar.xz
linux-06470f7468c8b6c95e72ebda803a61a99f4ee446.zip
mac80211: add API to allow filtering frames in BA sessions
If any frames are dropped that are part of a BA session, the reorder buffer will "indefinitely" (until the timeout) wait for them to come in (or a BAR moving the window) and won't release frames after them. This means it isn't possible to filter frames within a BA session in firmware. Introduce an API function that allows such filtering. Calling this function will move the BA window forward to the new SSN, and allows marking frames after the SSN as having been filtered, so any future reordering activity will release frames while skipping the holes. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/agg-rx.c')
-rw-r--r--net/mac80211/agg-rx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 2ab54791281d..1b8a5caa221e 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -376,6 +376,7 @@ void __ieee80211_start_rx_ba_session(struct sta_info *sta,
tid_agg_rx->timeout = timeout;
tid_agg_rx->stored_mpdu_num = 0;
tid_agg_rx->auto_seq = auto_seq;
+ tid_agg_rx->reorder_buf_filtered = 0;
status = WLAN_STATUS_SUCCESS;
/* activate it for RX */