ping
On Fri, Mar 20, 2020 at 1:58 PM Yuri Benditovich <
yuri.benditov...@daynix.com> wrote:
> Save and restore RSS/hash report configuration.
>
> Signed-off-by: Yuri Benditovich <yuri.benditov...@daynix.com>
> ---
> hw/net/virtio-net.c | 37 +++++++++++++++++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
>
> diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
> index a0614ad4e6..7de7587abd 100644
> --- a/hw/net/virtio-net.c
> +++ b/hw/net/virtio-net.c
> @@ -2842,6 +2842,13 @@ static int virtio_net_post_load_device(void
> *opaque, int version_id)
> }
> }
>
> + if (n->rss_data.enabled) {
> + trace_virtio_net_rss_enable(n->rss_data.hash_types,
> + n->rss_data.indirections_len,
> + sizeof(n->rss_data.key));
> + } else {
> + trace_virtio_net_rss_disable();
> + }
> return 0;
> }
>
> @@ -3019,6 +3026,32 @@ static const VMStateDescription
> vmstate_virtio_net_has_vnet = {
> },
> };
>
> +static bool virtio_net_rss_needed(void *opaque)
> +{
> + return VIRTIO_NET(opaque)->rss_data.enabled;
> +}
> +
> +static const VMStateDescription vmstate_virtio_net_rss = {
> + .name = "virtio-net-device/rss",
> + .version_id = 1,
> + .minimum_version_id = 1,
> + .needed = virtio_net_rss_needed,
> + .fields = (VMStateField[]) {
> + VMSTATE_BOOL(rss_data.enabled, VirtIONet),
> + VMSTATE_BOOL(rss_data.redirect, VirtIONet),
> + VMSTATE_BOOL(rss_data.populate_hash, VirtIONet),
> + VMSTATE_UINT32(rss_data.hash_types, VirtIONet),
> + VMSTATE_UINT16(rss_data.indirections_len, VirtIONet),
> + VMSTATE_UINT16(rss_data.default_queue, VirtIONet),
> + VMSTATE_UINT8_ARRAY(rss_data.key, VirtIONet,
> + VIRTIO_NET_RSS_MAX_KEY_SIZE),
> + VMSTATE_VARRAY_UINT16_ALLOC(rss_data.indirections_table,
> VirtIONet,
> + rss_data.indirections_len, 0,
> + vmstate_info_uint16, uint16_t),
> + VMSTATE_END_OF_LIST()
> + },
> +};
> +
> static const VMStateDescription vmstate_virtio_net_device = {
> .name = "virtio-net-device",
> .version_id = VIRTIO_NET_VM_VERSION,
> @@ -3069,6 +3102,10 @@ static const VMStateDescription
> vmstate_virtio_net_device = {
> has_ctrl_guest_offloads),
> VMSTATE_END_OF_LIST()
> },
> + .subsections = (const VMStateDescription * []) {
> + &vmstate_virtio_net_rss,
> + NULL
> + }
> };
>
> static NetClientInfo net_virtio_info = {
> --
> 2.17.1
>
>
