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authorKarl Beldan <karl.beldan@rivierawaves.com>2014-10-21 12:38:38 +0400
committerJohannes Berg <johannes.berg@intel.com>2014-10-21 15:25:26 +0400
commit9208247d74bc52dcaf370ba3cee29b5e8775464b (patch)
tree5a3c2c24e73920771f2a97015db45ebdae2d345a /net/mac80211/Kconfig
parent3ec373c421b6efc41b84b20265b4381beb1d7908 (diff)
downloadlinux-9208247d74bc52dcaf370ba3cee29b5e8775464b.tar.xz
mac80211: minstrel_ht: add basic support for VHT rates <= 3SS@80MHz
When the new CONFIG_MAC80211_RC_MINSTREL_VHT is not set (default 'N'), there is no behavioral change including in sampling and MCS_GROUP_RATES remains 8. Otherwise MCS_GROUP_RATES is 10, and a module parameter *vht_only* (default 'true'), restricts the rates selection to VHT when VHT is supported. Regarding the debugfs stats buffer: It is explicitly increased from 8k to 32k to fit every rates incl. when both HT and VHT rates are enabled, as for the format, before: type rate tpt eprob *prob ret *ok(*cum) ok( cum) HT20/LGI ABCDP MCS0 0.0 0.0 0.0 1 0( 0) 0( 0) after: type rate tpt eprob *prob ret *ok(*cum) ok( cum) HT20/LGI ABCDP MCS0 0.0 0.0 0.0 1 0( 0) 0( 0) VHT40/LGI MCS5/2 0.0 0.0 0.0 0 0( 0) 0( 0) Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com> Cc: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/Kconfig')
-rw-r--r--net/mac80211/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index aeb6a483b3bc..67cf8125d75d 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -33,6 +33,13 @@ config MAC80211_RC_MINSTREL_HT
---help---
This option enables the 'minstrel_ht' TX rate control algorithm
+config MAC80211_RC_MINSTREL_VHT
+ bool "Minstrel 802.11ac support" if EXPERT
+ depends on MAC80211_RC_MINSTREL_HT
+ default n
+ ---help---
+ This option enables VHT in the 'minstrel_ht' TX rate control algorithm
+
choice
prompt "Default rate control algorithm"
depends on MAC80211_HAS_RC