[dpdk-dev] [PATCH v3 17/20] net/dpaa2: configure jumbo frames

[Hemant Agrawal <hemant.agrawal@nxp.com>]

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 doc/guides/nics/features/dpaa2.ini |  1 +
 drivers/net/dpaa2/dpaa2_ethdev.c   | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/doc/guides/nics/features/dpaa2.ini b/doc/guides/nics/features/dpaa2.ini
index 720c35b..48422f0 100644
--- a/doc/guides/nics/features/dpaa2.ini
+++ b/doc/guides/nics/features/dpaa2.ini
@@ -6,6 +6,7 @@
 [Features]
 Link status          = Y
 Queue start/stop     = Y
+Jumbo frame          = Y
 MTU update           = Y
 Promiscuous mode     = Y
 Allmulticast mode    = Y
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index edff04a..efd6064 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -57,6 +57,7 @@
 static int dpaa2_dev_uninit(struct rte_eth_dev *eth_dev);
 static int dpaa2_dev_set_link_up(struct rte_eth_dev *dev);
 static int dpaa2_dev_set_link_down(struct rte_eth_dev *dev);
+static int dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
 
 /**
  * Atomically reads the link status information from global
@@ -278,6 +279,20 @@
 
 	PMD_INIT_FUNC_TRACE();
 
+	if (eth_conf->rxmode.jumbo_frame == 1) {
+		if (eth_conf->rxmode.max_rx_pkt_len <= DPAA2_MAX_RX_PKT_LEN) {
+			ret = dpaa2_dev_mtu_set(dev,
+					eth_conf->rxmode.max_rx_pkt_len);
+			if (ret) {
+				PMD_INIT_LOG(ERR,
+					     "unable to set mtu. check config\n");
+				return ret;
+			}
+		} else {
+			return -1;
+		}
+	}
+
 	/* Check for correct configuration */
 	if (eth_conf->rxmode.mq_mode != ETH_MQ_RX_RSS &&
 	    data->nb_rx_queues > 1) {
@@ -778,6 +793,11 @@
 	if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
 		return -EINVAL;
 
+	if (frame_size > ETHER_MAX_LEN)
+		dev->data->dev_conf.rxmode.jumbo_frame = 1;
+	else
+		dev->data->dev_conf.rxmode.jumbo_frame = 0;
+
 	/* Set the Max Rx frame length as 'mtu' +
 	 * Maximum Ethernet header length
 	 */
-- 
1.9.1