[PATCH RFC 1/2] vdpa: Restore packet receive filtering state relative with _F_CTRL_RX_EXTRA feature

[Hawkins Jiawei]

This patch refactors vhost_vdpa_net_load_rx() to
restore the packet receive filtering state in relation to
VIRTIO_NET_F_CTRL_RX_EXTRA feature at device's startup.

Signed-off-by: Hawkins Jiawei <yin31...@gmail.com>
---
 net/vhost-vdpa.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index ca800f97e2..9b929762c5 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -822,6 +822,36 @@ static int vhost_vdpa_net_load_rx(VhostVDPAState *s,
         }
     }
 
+    if (virtio_vdev_has_feature(&n->parent_obj, VIRTIO_NET_F_CTRL_RX_EXTRA)) {
+        /* Load the all-unicast mode */
+        on = n->alluni;
+        r = vhost_vdpa_net_load_rx_mode(s, VIRTIO_NET_CTRL_RX_ALLUNI, on);
+        if (r < 0) {
+            return r;
+        }
+
+        /* Load the non-multicast mode */
+        on = n->nomulti;
+        r = vhost_vdpa_net_load_rx_mode(s, VIRTIO_NET_CTRL_RX_NOMULTI, on);
+        if (r < 0) {
+            return r;
+        }
+
+        /* Load the non-unicast mode */
+        on = n->nouni;
+        r = vhost_vdpa_net_load_rx_mode(s, VIRTIO_NET_CTRL_RX_NOUNI, on);
+        if (r < 0) {
+            return r;
+        }
+
+        /* Load the non-broadcast mode */
+        on = n->nobcast;
+        r = vhost_vdpa_net_load_rx_mode(s, VIRTIO_NET_CTRL_RX_NOBCAST, on);
+        if (r < 0) {
+            return r;
+        }
+    }
+
     return 0;
 }
 
-- 
2.25.1