net/dpaa2: support configuring dpdmux max Rx frame length

[dpdk.git] / drivers / net / dpaa2 / dpaa2_mux.c

diff --git a/drivers/net/dpaa2/dpaa2_mux.c b/drivers/net/dpaa2/dpaa2_mux.c
index f8366e8..b397d33 100644 (file)
--- a/drivers/net/dpaa2/dpaa2_mux.c
+++ b/drivers/net/dpaa2/dpaa2_mux.c
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2018-2020 NXP
+ * Copyright 2018-2021 NXP
  */
 
 #include <sys/queue.h>
@@ -205,6 +205,32 @@ creation_error:
        return NULL;
 }
 
+int
+rte_pmd_dpaa2_mux_rx_frame_len(uint32_t dpdmux_id, uint16_t max_rx_frame_len)
+{
+       struct dpaa2_dpdmux_dev *dpdmux_dev;
+       int ret;
+
+       /* Find the DPDMUX from dpdmux_id in our list */
+       dpdmux_dev = get_dpdmux_from_id(dpdmux_id);
+       if (!dpdmux_dev) {
+               DPAA2_PMD_ERR("Invalid dpdmux_id: %d", dpdmux_id);
+               return -1;
+       }
+
+       ret = dpdmux_set_max_frame_length(&dpdmux_dev->dpdmux,
+                       CMD_PRI_LOW, dpdmux_dev->token, max_rx_frame_len);
+       if (ret) {
+               DPAA2_PMD_ERR("DPDMUX:Unable to set mtu. check config %d", ret);
+               return ret;
+       }
+
+       DPAA2_PMD_INFO("dpdmux mtu set as %u",
+                       DPAA2_MAX_RX_PKT_LEN - RTE_ETHER_CRC_LEN);
+
+       return ret;
+}
+
 static int
 dpaa2_create_dpdmux_device(int vdev_fd __rte_unused,
                           struct vfio_device_info *obj_info __rte_unused,