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virtio-net: Expose MAX_VLAN

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vhost-vdpa shadowed CVQ needs to know the maximum number of
vlans supported by the virtio-net device, so QEMU can restore
the VLAN state in a migration.

Co-developed-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Hawkins Jiawei <yin31149@gmail.com>
Message-Id: <ca03403319c6405ea7c400836a572255bbc9ceba.1690106284.git.yin31149@gmail.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Hawkins Jiawei 2023-07-23 20:09:12 +08:00 • committed by Michael S. Tsirkin
parent 06b636a1e2
commit e19751a32f
2 changed files with 6 additions and 2 deletions
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2
hw/net/virtio-net.c
View file

@ -49,8 +49,6 @@
#define VIRTIO_NET_VM_VERSION 11 #define VIRTIO_NET_VM_VERSION 11
#define MAX_VLAN (1 << 12) /* Per 802.1Q definition */
/* previously fixed value */ /* previously fixed value */
#define VIRTIO_NET_RX_QUEUE_DEFAULT_SIZE 256 #define VIRTIO_NET_RX_QUEUE_DEFAULT_SIZE 256
#define VIRTIO_NET_TX_QUEUE_DEFAULT_SIZE 256 #define VIRTIO_NET_TX_QUEUE_DEFAULT_SIZE 256

6
include/hw/virtio/virtio-net.h
View file

@ -38,6 +38,12 @@ OBJECT_DECLARE_SIMPLE_TYPE(VirtIONet, VIRTIO_NET)
/* Maximum VIRTIO_NET_CTRL_MAC_TABLE_SET unicast + multicast entries. */ /* Maximum VIRTIO_NET_CTRL_MAC_TABLE_SET unicast + multicast entries. */
#define MAC_TABLE_ENTRIES 64 #define MAC_TABLE_ENTRIES 64
/*
* The maximum number of VLANs in the VLAN filter table
* added by VIRTIO_NET_CTRL_VLAN_ADD
*/
#define MAX_VLAN (1 << 12) /* Per 802.1Q definition */
typedef struct virtio_net_conf typedef struct virtio_net_conf
{ {
uint32_t txtimer; uint32_t txtimer;