From: Hemant Agrawal <hemant.agra...@nxp.com>
Signed-off-by: Hemant Agrawal <hemant.agra...@nxp.com>
---
doc/guides/nics/features/dpaa2.ini | 1 +
drivers/bus/fslmc/portal/dpaa2_hw_pvt.h | 4 ++++
drivers/net/dpaa2/dpaa2_ethdev.c | 34 +++++++++++++++++++++++++++++++++
3 files changed, 39 insertions(+)
diff --git a/doc/guides/nics/features/dpaa2.ini
b/doc/guides/nics/features/dpaa2.ini
index b7c274a..a6b7964 100644
--- a/doc/guides/nics/features/dpaa2.ini
+++ b/doc/guides/nics/features/dpaa2.ini
@@ -5,6 +5,7 @@
;
[Features]
Queue start/stop = Y
+MTU update = Y
Promiscuous mode = Y
RSS hash = Y
L3 checksum offload = Y
diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
index 71361a4..7c6cc7e 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
@@ -43,6 +43,10 @@
#ifndef true
#define true 1
#endif
+
+#ifndef ETH_VLAN_HLEN
+#define ETH_VLAN_HLEN 4 /** < Vlan Header Length */
+#endif
#define DPAA2_DQRR_RING_SIZE 16
/** <Maximum number of slots available in RX ring*/
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index 7a5c4c6..3264bbe 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -477,6 +477,39 @@ dpaa2_dev_promiscuous_disable(
if (ret < 0)
RTE_LOG(ERR, PMD, "Unable to disable promiscuous mode %d", ret);
}
+
+static int
+dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+ int ret;
+ struct dpaa2_dev_priv *priv = dev->data->dev_private;
+ struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
+ uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (dpni == NULL) {
+ RTE_LOG(ERR, PMD, "dpni is NULL");
+ return -EINVAL;
+ }
+
+ /* check that mtu is within the allowed range */
+ if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
+ return -EINVAL;
+
+ /* Set the Max Rx frame length as 'mtu' +
+ * Maximum Ethernet header length
+ */
+ ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
+ mtu + ETH_VLAN_HLEN);
+ if (ret) {
+ PMD_DRV_LOG(ERR, "setting the max frame length failed");
+ return -1;
+ }
+ PMD_DRV_LOG(INFO, "MTU is configured %d for the device\n", mtu);
+ return 0;
+}
+
static struct eth_dev_ops dpaa2_ethdev_ops = {
.dev_configure = dpaa2_eth_dev_configure,
.dev_start = dpaa2_dev_start,
@@ -485,6 +518,7 @@ static struct eth_dev_ops dpaa2_ethdev_ops = {
.promiscuous_enable = dpaa2_dev_promiscuous_enable,
.promiscuous_disable = dpaa2_dev_promiscuous_disable,
.dev_infos_get = dpaa2_dev_info_get,
+ .mtu_set = dpaa2_dev_mtu_set,
.rx_queue_setup = dpaa2_dev_rx_queue_setup,
.rx_queue_release = dpaa2_dev_rx_queue_release,
.tx_queue_setup = dpaa2_dev_tx_queue_setup,
--
2.7.4
