From: Sridhar Samudrala Date: Thu, 24 May 2018 16:55:16 +0000 (-0700) Subject: virtio_net: Introduce VIRTIO_NET_F_STANDBY feature bit X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9805069d14c1b0b66b1600ea60cfc08f94841bd8;p=linux.git virtio_net: Introduce VIRTIO_NET_F_STANDBY feature bit This feature bit can be used by hypervisor to indicate virtio_net device to act as a standby for another device with the same MAC address. VIRTIO_NET_F_STANDBY is defined as bit 62 as it is a device feature bit. Signed-off-by: Sridhar Samudrala Signed-off-by: David S. Miller --- diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index b2647dd5d3023..fe4534ee50a1c 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3030,7 +3030,7 @@ static struct virtio_device_id id_table[] = { VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ, \ VIRTIO_NET_F_CTRL_MAC_ADDR, \ VIRTIO_NET_F_MTU, VIRTIO_NET_F_CTRL_GUEST_OFFLOADS, \ - VIRTIO_NET_F_SPEED_DUPLEX + VIRTIO_NET_F_SPEED_DUPLEX, VIRTIO_NET_F_STANDBY static unsigned int features[] = { VIRTNET_FEATURES, diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h index 5de6ed37695b9..a3715a3224c10 100644 --- a/include/uapi/linux/virtio_net.h +++ b/include/uapi/linux/virtio_net.h @@ -57,6 +57,9 @@ * Steering */ #define VIRTIO_NET_F_CTRL_MAC_ADDR 23 /* Set MAC address */ +#define VIRTIO_NET_F_STANDBY 62 /* Act as standby for another device + * with the same MAC. + */ #define VIRTIO_NET_F_SPEED_DUPLEX 63 /* Device set linkspeed and duplex */ #ifndef VIRTIO_NET_NO_LEGACY