diff options
| author | Michal Kazior <michal.kazior@tieto.com> | 2014-07-16 14:09:31 +0400 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-07-21 18:17:26 +0400 |
| commit | 83eb935ec74a91468776cd86415abcb6ee23cca8 (patch) | |
| tree | e0977824eadbba57f30adaa47f7d31c2a60ed6f1 /net/mac80211/ieee80211_i.h | |
| parent | 60e83deb4c1e7e8b6ab78e7331288bf4211bdeb6 (diff) | |
| download | linux-83eb935ec74a91468776cd86415abcb6ee23cca8.tar.xz | |
mac80211: fix Rx reordering with RX_FLAG_AMSDU_MORE
Some drivers (e.g. ath10k) report A-MSDU subframes
individually with identical seqno. The A-MPDU Rx
reorder code did not account for that which made
it practically unusable with drivers using
RX_FLAG_AMSDU_MORE because it would end up
dropping a lot of frames resulting in confusion in
upper network transport layers.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/ieee80211_i.h')
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 49731dd044bb..c504e99a5404 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1729,6 +1729,21 @@ static inline void ieee802_11_parse_elems(const u8 *start, size_t len, ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0); } +static inline bool ieee80211_rx_reorder_ready(struct sk_buff_head *frames) +{ + struct sk_buff *tail = skb_peek_tail(frames); + struct ieee80211_rx_status *status; + + if (!tail) + return false; + + status = IEEE80211_SKB_RXCB(tail); + if (status->flag & RX_FLAG_AMSDU_MORE) + return false; + + return true; +} + void ieee80211_dynamic_ps_enable_work(struct work_struct *work); void ieee80211_dynamic_ps_disable_work(struct work_struct *work); void ieee80211_dynamic_ps_timer(unsigned long data); |