iwlwifi: mvm: rs: fix mimo delimiter in LQ cmd

mimo_delim was always set to 0 instead of pointing to
the first SISO entry after MIMO rates.
This can cause keep transmitting in MIMO even when we shouldn't.
For example when the peer is requesting static SMPS.

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>

diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index 568abd61b14fb5ebdd83d0e6f3ade7fb2bd054d3..dd13629d0187a8b9ae48dc8325896db1cf372068 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -2547,6 +2547,7 @@ static void rs_build_rates_table(struct iwl_mvm *mvm,
        if (is_siso(&rate)) {
                num_rates = RS_SECONDARY_SISO_NUM_RATES;
                num_retries = RS_SECONDARY_SISO_RETRIES;
+               lq_cmd->mimo_delim = index;
        } else if (is_legacy(&rate)) {
                num_rates = RS_SECONDARY_LEGACY_NUM_RATES;
                num_retries = RS_LEGACY_RETRIES_PER_RATE;