From: Maxime Coquelin <maxime.coquelin@redhat.com>
Date: Sun, 12 Mar 2017 16:34:03 +0000 (+0100)
Subject: net/vhost: set MTU
X-Git-Tag: spdx-start~3911
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=0be565453a106c47e4217835c718e09259e7fa9d;p=dpdk.git

net/vhost: set MTU

This patch adds a call to rte_vhost_mtu_get() at device creation
time to fill device's MTU property when available.

This makes the MTU value defined in QEMU cmdline accessible to the
application by calling rte_eth_dev_get_mtu().

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
---

diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
index 21a4c018a5..a72c0603bf 100644
--- a/drivers/net/vhost/rte_eth_vhost.c
+++ b/drivers/net/vhost/rte_eth_vhost.c
@@ -598,6 +598,8 @@ new_device(int vid)
 	for (i = 0; i < rte_vhost_get_queue_num(vid) * VIRTIO_QNUM; i++)
 		rte_vhost_enable_guest_notification(vid, i, 0);
 
+	rte_vhost_get_mtu(vid, &eth_dev->data->mtu);
+
 	eth_dev->data->dev_link.link_status = ETH_LINK_UP;
 
 	rte_atomic32_set(&internal->dev_attached, 1);