[dpdk-dev,v4,17/20] net/dpaa2: configure jumbo frames
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Commit Message
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(+)
@@ -6,6 +6,7 @@
[Features]
Link status = Y
Queue start/stop = Y
+Jumbo frame = Y
MTU update = Y
Promiscuous mode = Y
Allmulticast mode = Y
@@ -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
*/