diff options
| author | Eyal Shapira <eyal@wizery.com> | 2014-09-17 13:56:29 +0300 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-10-29 12:49:11 +0200 |
| commit | dc574e526381ddcc7e5103ca091fd93c29129c6d (patch) | |
| tree | 12ea3f17503f0662d71fccdce18fe60a721c8429 /drivers/net/wireless/iwlwifi/mvm/rs.c | |
| parent | e7322f32881589cc47709b65713455aa4621e22e (diff) | |
| download | lwn-dc574e526381ddcc7e5103ca091fd93c29129c6d.tar.gz lwn-dc574e526381ddcc7e5103ca091fd93c29129c6d.zip | |
iwlwifi: rs: option to easily disable Tx MIMO
The current TLC isn't optimized for low latency and some devices
have issues with MIMO. This kind of combo creates latency issues.
Allow to temporarily disable MIMO for tests in order to solve
the latency issues without the added complexity of MIMO.
Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/rs.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/rs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index 18a539999580..0d836fe67e83 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -2684,6 +2684,9 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, lq_sta->ldpc = true; } + if (IWL_MVM_RS_DISABLE_MIMO) + lq_sta->active_mimo2_rate = 0; + lq_sta->max_legacy_rate_idx = find_last_bit(&lq_sta->active_legacy_rate, BITS_PER_LONG); lq_sta->max_siso_rate_idx = find_last_bit(&lq_sta->active_siso_rate, |