linux-kernel - [PATCH -next 1/2] virtio: Start feature MTU support

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Date:	Thu,  2 Jun 2016 11:43:30 -0400
From:	Aaron Conole <aconole@...hat.com>
To:	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, "Michael S. Tsirkin" <mst@...hat.com>
Subject: [PATCH -next 1/2] virtio: Start feature MTU support

This commit adds the feature bit and associated mtu device entry for the
virtio network device. Future commits will make use of these bits to
support negotiated MTU.

Signed-off-by: Aaron Conole <aconole@...hat.com>
---
 include/uapi/linux/virtio_net.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h
index ec32293..751ff59 100644
--- a/include/uapi/linux/virtio_net.h
+++ b/include/uapi/linux/virtio_net.h
@@ -73,6 +73,8 @@ struct virtio_net_config {
 	 * Legal values are between 1 and 0x8000
 	 */
 	__u16 max_virtqueue_pairs;
+	/* Default maximum transmit unit advice */
+	__u16 mtu;
 } __attribute__((packed));
 
 /*
-- 
2.5.5