From: Shreyansh Jain <shreyansh.jain@nxp.com>
Date: Thu, 28 Sep 2017 12:29:46 +0000 (+0530)
Subject: net/dpaa: support jumbo frames
X-Git-Tag: spdx-start~1823
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=25f854197abc;p=dpdk.git

net/dpaa: support jumbo frames

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 59ef23dc06..e62812c0f9 100644
--- a/doc/guides/nics/features/dpaa.ini
+++ b/doc/guides/nics/features/dpaa.ini
@@ -4,6 +4,7 @@
 ; Refer to default.ini for the full list of available PMD features.
 ;
 [Features]
+Jumbo frame          = 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 4e07661f00..1f4f372839 100644
--- a/drivers/net/dpaa/dpaa_ethdev.c
+++ b/drivers/net/dpaa/dpaa_ethdev.c
@@ -85,9 +85,10 @@ dpaa_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 	if (mtu < ETHER_MIN_MTU)
 		return -EINVAL;
 	if (mtu > ETHER_MAX_LEN)
-		return -1;
+		dev->data->dev_conf.rxmode.jumbo_frame = 1;
+	else
+		dev->data->dev_conf.rxmode.jumbo_frame = 0;
 
-	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);
@@ -100,6 +101,14 @@ dpaa_eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
 {
 	PMD_INIT_FUNC_TRACE();
 
+	if (dev->data->dev_conf.rxmode.jumbo_frame == 1) {
+		if (dev->data->dev_conf.rxmode.max_rx_pkt_len <=
+		    DPAA_MAX_RX_PKT_LEN)
+			return dpaa_mtu_set(dev,
+				dev->data->dev_conf.rxmode.max_rx_pkt_len);
+		else
+			return -1;
+	}
 	return 0;
 }