[PATCH v4 17/20] net/dpaa2: configure jumbo frames
From: Hemant Agrawal <hidden>
Date: 2017-05-26 06:52:01
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Hemant Agrawal <redacted> --- 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