iwlwifi: mvm: do not override amsdu size user settings

Since AMSDUs are not de-aggregated by HW in monitor mode,
we still need the option for setting large RBs (up to 12K).

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index e2463e8e486b0c195cc3ba7692ed00a9b2f05aa2..d728b854be954a834439168e69e217318fc22461 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -584,6 +584,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
        };
        int err, scan_size;
        u32 min_backoff;
+       enum iwl_amsdu_size rb_size_default;
 
        /*
         * We use IWL_MVM_STATION_COUNT to check the validity of the station
@@ -694,8 +695,16 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
        trans_cfg.op_mode = op_mode;
        trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
        trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
+
+       if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560)
+               rb_size_default = IWL_AMSDU_2K;
+       else
+               rb_size_default = IWL_AMSDU_4K;
+
        switch (iwlwifi_mod_params.amsdu_size) {
        case IWL_AMSDU_DEF:
+               trans_cfg.rx_buf_size = rb_size_default;
+               break;
        case IWL_AMSDU_4K:
                trans_cfg.rx_buf_size = IWL_AMSDU_4K;
                break;
@@ -708,17 +717,12 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
        default:
                pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
                       iwlwifi_mod_params.amsdu_size);
-               trans_cfg.rx_buf_size = IWL_AMSDU_4K;
+               trans_cfg.rx_buf_size = rb_size_default;
        }
 
-       /* the hardware splits the A-MSDU */
-       if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) {
-               trans_cfg.rx_buf_size = IWL_AMSDU_2K;
-               /* TODO: remove when balanced power mode is fw supported */
+       /* TODO: remove when balanced power mode is fw supported */
+       if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560)
                iwlmvm_mod_params.power_scheme = IWL_POWER_SCHEME_CAM;
-       } else if (mvm->cfg->mq_rx_supported) {
-               trans_cfg.rx_buf_size = IWL_AMSDU_4K;
-       }
 
        trans->wide_cmd_header = true;
        trans_cfg.bc_table_dword =