diff options
| author |   Karl Beldan <karl.beldan@rivierawaves.com> | 2014-01-23 20:06:34 +0100 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2014-02-04 21:48:28 +0100 |
| commit | c6e133277bcf05597ad32f2699b928b284138d59 (patch) | |
| tree | 224b26ab9e59a8855eb0b5bc75aea06a29d023d7 /net/mac80211/ht.c | |
| parent | mac80211_hwsim: add channel switch support (diff) | |
| download | linux-dev-c6e133277bcf05597ad32f2699b928b284138d59.tar.xz linux-dev-c6e133277bcf05597ad32f2699b928b284138d59.zip | |
mac80211: send {ADD,DEL}BA on AC_VO like other mgmt frames, as per spec
ATM, {ADD,DEL}BA and BAR frames are sent on the AC matching the TID of
the BA parameters. In the discussion [1] about this patch, Johannes
recalled that it fixed some races with the DELBA and indeed this
behavior was introduced in [2].
While [2] is right for the BARs, the part queueing the {ADD,DEL}BAs on
their BA params TID AC violates the spec and is more a workaround for
some drivers. Helmut expressed some concerns wrt such drivers, in
particular DELBAs in rt2x00.
ATM, DELBAs are sent after a driver has called (hence "purposely")
ieee80211_start_tx_ba_cb_irqsafe and Johannes and Emmanuel gave some
details wrt intentions behind the split of the IEEE80211_AMPDU_TX_STOP_*
given to the driver ampdu_action supposed to call this function, which
could prove handy to people trying to do the right thing in faulty
drivers (if their fw/hw don't get in their way).
[1] http://mid.gmane.org/1390391564-18481-1-git-send-email-karl.beldan@gmail.com
[2] Commit: cf6bb79ad828 ("mac80211: Use appropriate TID for sending BAR, ADDBA and DELBA frames")
Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com>
Cc: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/ht.c')
| -rw-r--r-- | net/mac80211/ht.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index fab7b91923e0..dc3c28002e3e 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -375,7 +375,7 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, mgmt->u.action.u.delba.params = cpu_to_le16(params); mgmt->u.action.u.delba.reason_code = cpu_to_le16(reason_code); - ieee80211_tx_skb_tid(sdata, skb, tid); + ieee80211_tx_skb(sdata, skb); } void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |