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authorEyal Shapira <eyal@wizery.com>2014-04-06 02:42:18 +0300
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2014-04-13 16:51:04 +0300
commite53839eb9882c99d3781eab0fe1b2d4369a6a2cc (patch)
tree9eedaa4715a809d7508896a9d214dbd50e59e13c /drivers/net/wireless/iwlwifi/mvm/rs.h
parent198266a3c110e8a68895a24e937003f5da0c5f60 (diff)
downloadop-kernel-dev-e53839eb9882c99d3781eab0fe1b2d4369a6a2cc.zip
op-kernel-dev-e53839eb9882c99d3781eab0fe1b2d4369a6a2cc.tar.gz
iwlwifi: mvm: rs: fix and cleanup rs_get_rate_action
Change the down/upscale decision logic a bit to be based on different success ratio thresholds. This fixes the implementation compared to the rate scale algorithm which was planned to yield optimal results. Also fix a case where a lower rate wasn't explored despite being a potential for better throughput. While at it rewrite rs_get_rate_action to be more clear and clean. Cc: <stable@vger.kernel.org> [3.14] Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/rs.h')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/rs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.h b/drivers/net/wireless/iwlwifi/mvm/rs.h
index 9892d92..fbb476a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.h
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.h
@@ -156,6 +156,7 @@ enum {
#define IWL_RATE_HIGH_TH 10880 /* 85% */
#define IWL_RATE_INCREASE_TH 6400 /* 50% */
#define RS_SR_FORCE_DECREASE 1920 /* 15% */
+#define RS_SR_NO_DECREASE 10880 /* 85% */
#define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000) /* 4 milliseconds */
#define LINK_QUAL_AGG_TIME_LIMIT_MAX (8000)
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