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| author | Johannes Berg <johannes.berg@intel.com> | 2011-11-03 09:59:39 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-11-09 16:01:01 -0500 |
| commit | 68629c6133304f286a1f0c12d9aa8071a639f076 (patch) | |
| tree | 6c1809d912dba4bb62c9ebc327c6f68729740002 | |
| parent | 819622678ed7011b4d785ca174de5d4bf179bf83 (diff) | |
| download | linux-3.10-68629c6133304f286a1f0c12d9aa8071a639f076.tar.gz linux-3.10-68629c6133304f286a1f0c12d9aa8071a639f076.tar.bz2 linux-3.10-68629c6133304f286a1f0c12d9aa8071a639f076.zip | |
mac80211: preserve EOSP in QoS header
Janusz reported that the EOSP bit in mac80211 was
getting cleared all the time. I had not found this
since I tested uAPSD with a device that always set
the bit itself. Preserve the bit when building the
QoS header.
Reported-by: Janusz Dziedzic <janusz.dziedzic@gmail.com>
Tested-by: Janusz Dziedzic <janusz.dziedzic@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | net/mac80211/wme.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index fd52e695c07..d0240bba45f 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -143,10 +143,13 @@ void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata, /* Fill in the QoS header if there is one. */ if (ieee80211_is_data_qos(hdr->frame_control)) { u8 *p = ieee80211_get_qos_ctl(hdr); - u8 ack_policy = 0, tid; + u8 ack_policy, tid; tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; + /* preserve EOSP bit */ + ack_policy = *p & IEEE80211_QOS_CTL_EOSP; + if (unlikely(sdata->local->wifi_wme_noack_test)) ack_policy |= IEEE80211_QOS_CTL_ACK_POLICY_NOACK; /* qos header is 2 bytes */ |