common/sfc_efx/base: add mport alias MCDI wrappers

[dpdk.git] / drivers / common / sfc_efx / base / ef10_nic.c

diff --git a/drivers/common/sfc_efx/base/ef10_nic.c b/drivers/common/sfc_efx/base/ef10_nic.c
index 531365e..eda0ad3 100644 (file)
--- a/drivers/common/sfc_efx/base/ef10_nic.c
+++ b/drivers/common/sfc_efx/base/ef10_nic.c
@@ -491,11 +491,17 @@ efx_mcdi_get_rxdp_config(
        req.emr_out_length = MC_CMD_GET_RXDP_CONFIG_OUT_LEN;
 
        efx_mcdi_execute(enp, &req);
+
        if (req.emr_rc != 0) {
                rc = req.emr_rc;
                goto fail1;
        }
 
+       if (req.emr_out_length_used < MC_CMD_GET_RXDP_CONFIG_OUT_LEN) {
+               rc = EMSGSIZE;
+               goto fail2;
+       }
+
        if (MCDI_OUT_DWORD_FIELD(req, GET_RXDP_CONFIG_OUT_DATA,
                                    GET_RXDP_CONFIG_OUT_PAD_HOST_DMA) == 0) {
                /* RX DMA end padding is disabled */
@@ -514,7 +520,7 @@ efx_mcdi_get_rxdp_config(
                        break;
                default:
                        rc = ENOTSUP;
-                       goto fail2;
+                       goto fail3;
                }
        }
 
@@ -522,6 +528,8 @@ efx_mcdi_get_rxdp_config(
 
        return (0);
 
+fail3:
+       EFSYS_PROBE(fail3);
 fail2:
        EFSYS_PROBE(fail2);
 fail1: