RE: FW: [PATCH] vhost-user: add VIRTIO_F_IN_ORDER and VIRTIO_F_NOTIFICATION_DATA feature

[Wentao Jia]

VIRTIO_F_IN_ORDER and VIRTIO_F_NOTIFICATION_DATA feature are important feature
for dpdk vdpa packets transmitting performance, add the 2 features at vhost-user
front-end to negotiation with backend.

Signed-off-by: Kyle Xu <zhenbing...@corigine.com>
Signed-off-by: Wentao Jia <wentao....@corigine.com>
Reviewed-by:   Xinying Yu <xinying...@corigine.com>
Reviewed-by:   Shujing Dong <shujing.d...@corigine.com>
Reviewed-by:   Rick Zhong <zhaoyong.zh...@corigine.com>
---
 hw/core/machine.c   | 2 ++
 hw/net/vhost_net.c  | 2 ++
 hw/net/virtio-net.c | 4 ++++
 3 files changed, 8 insertions(+)

diff --git a/hw/core/machine.c b/hw/core/machine.c
index fb5afdcae4..e620f5e7d0 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -40,6 +40,7 @@ GlobalProperty hw_compat_8_1[] = {
     { "ramfb", "x-migrate", "off" },
     { "vfio-pci-nohotplug", "x-ramfb-migrate", "off" },
     { "igb", "x-pcie-flr-init", "off" },
+    { TYPE_VIRTIO_NET, "notification_data", "off"},
 };
 const size_t hw_compat_8_1_len = G_N_ELEMENTS(hw_compat_8_1);

@@ -65,6 +66,7 @@ GlobalProperty hw_compat_7_1[] = {
     { "virtio-rng-pci", "vectors", "0" },
     { "virtio-rng-pci-transitional", "vectors", "0" },
     { "virtio-rng-pci-non-transitional", "vectors", "0" },
+    { TYPE_VIRTIO_NET, "in_order", "off"},
 };
 const size_t hw_compat_7_1_len = G_N_ELEMENTS(hw_compat_7_1);

diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index e8e1661646..211ca859a6 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -76,6 +76,8 @@ static const int user_feature_bits[] = {
     VIRTIO_F_IOMMU_PLATFORM,
     VIRTIO_F_RING_PACKED,
     VIRTIO_F_RING_RESET,
+    VIRTIO_F_IN_ORDER,
+    VIRTIO_F_NOTIFICATION_DATA,
     VIRTIO_NET_F_RSS,
     VIRTIO_NET_F_HASH_REPORT,
     VIRTIO_NET_F_GUEST_USO4,
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 7a2846fa1c..dc0a028934 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -3949,6 +3949,10 @@ static Property virtio_net_properties[] = {
                       VIRTIO_NET_F_GUEST_USO6, true),
     DEFINE_PROP_BIT64("host_uso", VirtIONet, host_features,
                       VIRTIO_NET_F_HOST_USO, true),
+    DEFINE_PROP_BIT64("in_order", VirtIONet, host_features,
+                      VIRTIO_F_IN_ORDER, true),
+    DEFINE_PROP_BIT64("notification_data", VirtIONet, host_features,
+                      VIRTIO_F_NOTIFICATION_DATA, true),
     DEFINE_PROP_END_OF_LIST(),
 };

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