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authorJohannes Berg <johannes.berg@intel.com>2010-12-18 17:20:48 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-01-05 16:07:12 -0500
commit90fc4b3a5ba24f09af2a8c4a723651a328949460 (patch)
tree0ec7031f451f8a7eb38259b6fe80ec52cf780b43 /net/mac80211/offchannel.c
parent21f83589644bb2ed98079bf1e2154c8e70ca6a6c (diff)
downloadblackbird-op-linux-90fc4b3a5ba24f09af2a8c4a723651a328949460.tar.gz
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mac80211: implement off-channel TX using hw r-o-c offload
When the driver has remain-on-channel offload, implement off-channel transmission using that primitive. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/offchannel.c')
-rw-r--r--net/mac80211/offchannel.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 49b9ec22d9b6..b4e52676f3fb 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -196,6 +196,7 @@ static void ieee80211_hw_roc_start(struct work_struct *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, hw_roc_start);
+ struct ieee80211_sub_if_data *sdata;
mutex_lock(&local->mtx);
@@ -206,11 +207,19 @@ static void ieee80211_hw_roc_start(struct work_struct *work)
ieee80211_recalc_idle(local);
- cfg80211_ready_on_channel(local->hw_roc_dev, local->hw_roc_cookie,
- local->hw_roc_channel,
- local->hw_roc_channel_type,
- local->hw_roc_duration,
- GFP_KERNEL);
+ if (local->hw_roc_skb) {
+ sdata = IEEE80211_DEV_TO_SUB_IF(local->hw_roc_dev);
+ ieee80211_tx_skb(sdata, local->hw_roc_skb);
+ local->hw_roc_skb = NULL;
+ } else {
+ cfg80211_ready_on_channel(local->hw_roc_dev,
+ local->hw_roc_cookie,
+ local->hw_roc_channel,
+ local->hw_roc_channel_type,
+ local->hw_roc_duration,
+ GFP_KERNEL);
+ }
+
mutex_unlock(&local->mtx);
}
@@ -236,11 +245,12 @@ static void ieee80211_hw_roc_done(struct work_struct *work)
return;
}
- cfg80211_remain_on_channel_expired(local->hw_roc_dev,
- local->hw_roc_cookie,
- local->hw_roc_channel,
- local->hw_roc_channel_type,
- GFP_KERNEL);
+ if (!local->hw_roc_for_tx)
+ cfg80211_remain_on_channel_expired(local->hw_roc_dev,
+ local->hw_roc_cookie,
+ local->hw_roc_channel,
+ local->hw_roc_channel_type,
+ GFP_KERNEL);
local->hw_roc_channel = NULL;
local->hw_roc_cookie = 0;
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