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authorJohannes Berg <johannes@sipsolutions.net>2008-09-09 06:56:01 -0400
committerJohn W. Linville <linville@tuxdriver.com>2008-09-11 15:53:39 -0400
commit5825fe100d654fff89aa67a1e202af1f8a7f0ad0 (patch)
tree09c9b6f7e1f51a34fcc5d5030d6339b642e41057 /net/mac80211/util.c
parent3110bef78cb4282c58245bc8fd6d95d9ccb19749 (diff)
mac80211: initialise queue QoS parameters at hw start
When hardware is started it might be in a confused state with respect to queue QoS parameters. This patch changes mac80211 to set sane defaults right after the hardware is brought up. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/util.c')
-rw-r--r--net/mac80211/util.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index e19c74cada39..55be3ef5c755 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -572,3 +572,29 @@ void ieee802_11_parse_elems(u8 *start, size_t len,
572 pos += elen; 572 pos += elen;
573 } 573 }
574} 574}
575
576void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata)
577{
578 struct ieee80211_local *local = sdata->local;
579 struct ieee80211_tx_queue_params qparam;
580 int i;
581
582 if (!local->ops->conf_tx)
583 return;
584
585 memset(&qparam, 0, sizeof(qparam));
586
587 qparam.aifs = 2;
588
589 if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
590 !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE))
591 qparam.cw_min = 31;
592 else
593 qparam.cw_min = 15;
594
595 qparam.cw_max = 1023;
596 qparam.txop = 0;
597
598 for (i = 0; i < local_to_hw(local)->queues; i++)
599 local->ops->conf_tx(local_to_hw(local), i, &qparam);
600}