mac80211: add rate control rewrite and enhance the performance of the minstrel algorithm for non-mrr configurations

SVN-Revision: 12948

1 files changed, 64 insertions, 0 deletions

diff --git a/package/mac80211/patches/421-nl80211-export-ht.patch b/package/mac80211/patches/421-nl80211-export-ht.patch
new file mode 100644
index 0000000..d6f6b5a
--- /dev/null
+++ b/package/mac80211/patches/421-nl80211-export-ht.patch
@@ -0,0 +1,64 @@
+Subject: nl80211: export HT capabilities
+
+This exports the local HT capabilities in nl80211.
+
+Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
+---
+ include/linux/nl80211.h |   12 ++++++++++++
+ net/wireless/nl80211.c  |   13 +++++++++++++
+ 2 files changed, 25 insertions(+)
+
+--- everything.orig/include/linux/nl80211.h	2008-10-09 01:31:09.000000000 +0200
++++ everything/include/linux/nl80211.h	2008-10-09 02:11:44.000000000 +0200
+@@ -452,17 +452,29 @@ enum nl80211_mpath_info {
+  *	an array of nested frequency attributes
+  * @NL80211_BAND_ATTR_RATES: supported bitrates in this band,
+  *	an array of nested bitrate attributes
++ * @NL80211_BAND_ATTR_HT_MCS_SET: 16-byte attribute containing the MCS set as
++ *	defined in 802.11n
++ * @NL80211_BAND_ATTR_HT_CAPA: HT capabilities, as in the HT information IE
++ * @NL80211_BAND_ATTR_HT_AMPDU_FACTOR: A-MPDU factor, as in 11n
++ * @NL80211_BAND_ATTR_HT_AMPDU_DENSITY: A-MPDU density, as in 11n
+  */
+ enum nl80211_band_attr {
+ 	__NL80211_BAND_ATTR_INVALID,
+ 	NL80211_BAND_ATTR_FREQS,
+ 	NL80211_BAND_ATTR_RATES,
+ 
++	NL80211_BAND_ATTR_HT_MCS_SET,
++	NL80211_BAND_ATTR_HT_CAPA,
++	NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
++	NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
++
+ 	/* keep last */
+ 	__NL80211_BAND_ATTR_AFTER_LAST,
+ 	NL80211_BAND_ATTR_MAX = __NL80211_BAND_ATTR_AFTER_LAST - 1
+ };
+ 
++#define NL80211_BAND_ATTR_HT_CAPA NL80211_BAND_ATTR_HT_CAPA
++
+ /**
+  * enum nl80211_frequency_attr - frequency attributes
+  * @NL80211_FREQUENCY_ATTR_FREQ: Frequency in MHz
+--- everything.orig/net/wireless/nl80211.c	2008-10-09 01:32:05.000000000 +0200
++++ everything/net/wireless/nl80211.c	2008-10-09 02:12:21.000000000 +0200
+@@ -157,6 +157,19 @@ static int nl80211_send_wiphy(struct sk_
+ 		if (!nl_band)
+ 			goto nla_put_failure;
+ 
++		/* add HT info */
++		if (dev->wiphy.bands[band]->ht_cap.ht_supported) {
++			NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET,
++				sizeof(dev->wiphy.bands[band]->ht_cap.mcs),
++				&dev->wiphy.bands[band]->ht_cap.mcs);
++			NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA,
++				dev->wiphy.bands[band]->ht_cap.cap);
++			NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
++				dev->wiphy.bands[band]->ht_cap.ampdu_factor);
++			NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
++				dev->wiphy.bands[band]->ht_cap.ampdu_density);
++		}
++
+ 		/* add frequencies */
+ 		nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS);
+ 		if (!nl_freqs)