From e31d4d214e64af6e7d1dbc1805ea31022fab1b6f Mon Sep 17 00:00:00 2001 From: Hemant Agrawal Date: Tue, 11 Apr 2017 19:19:28 +0530 Subject: [PATCH] net/dpaa2: support MTU configuration Signed-off-by: Hemant Agrawal --- doc/guides/nics/features/dpaa2.ini | 1 + drivers/net/dpaa2/dpaa2_ethdev.c | 34 ++++++++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/doc/guides/nics/features/dpaa2.ini b/doc/guides/nics/features/dpaa2.ini index b7c274a908..a6b7964830 100644 --- a/doc/guides/nics/features/dpaa2.ini +++ b/doc/guides/nics/features/dpaa2.ini @@ -5,6 +5,7 @@ ; [Features] Queue start/stop = Y +MTU update = Y Promiscuous mode = Y RSS hash = Y L3 checksum offload = Y diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c index a3b7020fa7..e037bdb097 100644 --- a/drivers/net/dpaa2/dpaa2_ethdev.c +++ b/drivers/net/dpaa2/dpaa2_ethdev.c @@ -476,6 +476,39 @@ dpaa2_dev_promiscuous_disable( if (ret < 0) RTE_LOG(ERR, PMD, "Unable to disable promiscuous mode %d", ret); } + +static int +dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) +{ + int ret; + struct dpaa2_dev_priv *priv = dev->data->dev_private; + struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw; + uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; + + PMD_INIT_FUNC_TRACE(); + + if (dpni == NULL) { + RTE_LOG(ERR, PMD, "dpni is NULL"); + return -EINVAL; + } + + /* check that mtu is within the allowed range */ + if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN)) + return -EINVAL; + + /* Set the Max Rx frame length as 'mtu' + + * Maximum Ethernet header length + */ + ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token, + mtu + ETH_VLAN_HLEN); + if (ret) { + PMD_DRV_LOG(ERR, "setting the max frame length failed"); + return -1; + } + PMD_DRV_LOG(INFO, "MTU is configured %d for the device\n", mtu); + return 0; +} + static struct eth_dev_ops dpaa2_ethdev_ops = { .dev_configure = dpaa2_eth_dev_configure, .dev_start = dpaa2_dev_start, @@ -484,6 +517,7 @@ static struct eth_dev_ops dpaa2_ethdev_ops = { .promiscuous_enable = dpaa2_dev_promiscuous_enable, .promiscuous_disable = dpaa2_dev_promiscuous_disable, .dev_infos_get = dpaa2_dev_info_get, + .mtu_set = dpaa2_dev_mtu_set, .rx_queue_setup = dpaa2_dev_rx_queue_setup, .rx_queue_release = dpaa2_dev_rx_queue_release, .tx_queue_setup = dpaa2_dev_tx_queue_setup, -- 2.20.1