net/dpaa: support MTU update

[dpdk.git] / drivers / net / dpaa / dpaa_ethdev.c

diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c
index 4996daa..4e07661 100644 (file)
--- a/drivers/net/dpaa/dpaa_ethdev.c
+++ b/drivers/net/dpaa/dpaa_ethdev.c
@@ -75,6 +75,26 @@
 /* Keep track of whether QMAN and BMAN have been globally initialized */
 static int is_global_init;
 
+static int
+dpaa_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+       struct dpaa_if *dpaa_intf = dev->data->dev_private;
+
+       PMD_INIT_FUNC_TRACE();
+
+       if (mtu < ETHER_MIN_MTU)
+               return -EINVAL;
+       if (mtu > ETHER_MAX_LEN)
+               return -1;
+
+       dev->data->dev_conf.rxmode.jumbo_frame = 0;
+       dev->data->dev_conf.rxmode.max_rx_pkt_len = mtu;
+
+       fman_if_set_maxfrm(dpaa_intf->fif, mtu);
+
+       return 0;
+}
+
 static int
 dpaa_eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
 {
@@ -197,6 +217,7 @@ static struct eth_dev_ops dpaa_devops = {
        .tx_queue_setup           = dpaa_eth_tx_queue_setup,
        .rx_queue_release         = dpaa_eth_rx_queue_release,
        .tx_queue_release         = dpaa_eth_tx_queue_release,
+       .mtu_set                  = dpaa_mtu_set,
 };
 
 /* Initialise an Rx FQ */