[dpdk-dev] [RFC Patch 26/39] net/dpaa: add support for MTU update

[Shreyansh Jain <shreyansh.jain@nxp.com>]

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
---
 doc/guides/nics/features/dpaa.ini |  1 +
 drivers/net/dpaa/dpaa_ethdev.c    | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/doc/guides/nics/features/dpaa.ini b/doc/guides/nics/features/dpaa.ini
index 29ba47e..0b992fd 100644
--- a/doc/guides/nics/features/dpaa.ini
+++ b/doc/guides/nics/features/dpaa.ini
@@ -5,5 +5,6 @@
 ;
 [Features]
 Queue start/stop     = Y
+MTU update           = Y
 ARMv8                = Y
 Usage doc            = Y
diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c
index b93f781..122e45b 100644
--- a/drivers/net/dpaa/dpaa_ethdev.c
+++ b/drivers/net/dpaa/dpaa_ethdev.c
@@ -77,6 +77,26 @@
 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;
+
+	fman_if_set_maxfrm(dpaa_intf->fif, mtu);
+
+	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;
+	return 0;
+}
+
+static int
 dpaa_eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
 {
 	PMD_INIT_FUNC_TRACE();
@@ -199,6 +219,7 @@ 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 */
-- 
2.7.4