From: Shreyansh Jain <shreyansh.jain@nxp.com>
Date: Thu, 28 Sep 2017 12:29:45 +0000 (+0530)
Subject: net/dpaa: support MTU update
X-Git-Tag: spdx-start~1824
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=0cbec02719ae348bb71e459fb005bef51d985a15;p=dpdk.git

net/dpaa: support MTU update

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
---

diff --git a/doc/guides/nics/features/dpaa.ini b/doc/guides/nics/features/dpaa.ini
index 9e8befc450..59ef23dc06 100644
--- a/doc/guides/nics/features/dpaa.ini
+++ b/doc/guides/nics/features/dpaa.ini
@@ -4,5 +4,6 @@
 ; Refer to default.ini for the full list of available PMD features.
 ;
 [Features]
+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 4996daa93d..4e07661f00 100644
--- 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 */