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authorJohannes Berg <johannes.berg@intel.com>2011-01-18 13:52:23 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-01-19 11:36:12 -0500
commit5dd36bc933e8be84f8369ac64505a2938f9ce036 (patch)
tree11538bafde53b6189da2af10d2f8a21c1b57565e /include/net
parentmac80211: track receiver's aggregation reorder buffer size (diff)
downloadlinux-dev-5dd36bc933e8be84f8369ac64505a2938f9ce036.tar.xz
linux-dev-5dd36bc933e8be84f8369ac64505a2938f9ce036.zip
mac80211: allow advertising correct maximum aggregate size
Currently, mac80211 always advertises that it may send up to 64 subframes in an aggregate. This is fine, since it's the max, but might as well be set to zero instead since it doesn't have any information. However, drivers might have that information, so allow them to set a variable giving it, which will then be used. The default of zero will be fine since to the peer that means we don't know and it will just use its own limit for the buffer size. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/mac80211.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 5afe341b4010..d6b0045788ce 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1154,6 +1154,10 @@ enum ieee80211_hw_flags {
* This is only relevant if the device has restrictions on the
* number of subframes, if it relies on mac80211 to do reordering
* it shouldn't be set.
+ *
+ * @max_tx_aggregation_subframes: maximum number of subframes in an
+ * aggregate an HT driver will transmit, used by the peer as a
+ * hint to size its reorder buffer.
*/
struct ieee80211_hw {
struct ieee80211_conf conf;
@@ -1173,6 +1177,7 @@ struct ieee80211_hw {
u8 max_report_rates;
u8 max_rate_tries;
u8 max_rx_aggregation_subframes;
+ u8 max_tx_aggregation_subframes;
};
/**