common/sfc_efx/base: update EF100 registers definitions

[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 9dccde9..eda0ad3 100644 (file)
--- a/drivers/common/sfc_efx/base/ef10_nic.c
+++ b/drivers/common/sfc_efx/base/ef10_nic.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright(c) 2019-2020 Xilinx, Inc.
+ * Copyright(c) 2019-2021 Xilinx, Inc.
  * Copyright(c) 2012-2019 Solarflare Communications Inc.
  */
 
@@ -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: