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>

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 =