From 6ad6c01fa74f649722eeca7308dc1fc4e43235cd Mon Sep 17 00:00:00 2001 From: Gregory Greenman Date: Wed, 27 Jan 2016 00:10:15 +0200 Subject: [PATCH] iwlwifi: mvm: rs: fix TPC action decision algorithm Decreasing Tx power is allowed only when success ratio is above the threshold defined in the algorithm. Add this condition. Signed-off-by: Gregory Greenman Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/intel/iwlwifi/mvm/rs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index 7bb6fd0..986e12a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -2040,7 +2040,8 @@ static enum tpc_action rs_get_tpc_action(struct iwl_mvm *mvm, } /* try decreasing first if applicable */ - if (weak != TPC_INVALID) { + if (sr >= RS_PERCENT(IWL_MVM_RS_TPC_SR_NO_INCREASE) && + weak != TPC_INVALID) { if (weak_tpt == IWL_INVALID_VALUE && (strong_tpt == IWL_INVALID_VALUE || current_tpt >= strong_tpt)) { -- 2.7.4