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authorCindy Lu <lulu@redhat.com>2022-12-14 08:43:06 +0300
committerMichael S. Tsirkin <mst@redhat.com>2022-12-28 13:28:11 +0300
commit72455a1142527e607e1d69439f3ffa2ef6d09e26 (patch)
tree91ecd1304272c14a132c1416f0fe7d0de2302634
parent0b7a04a30eef20e6b24926a45c0ce7906ae85bd6 (diff)
downloadlinux-72455a1142527e607e1d69439f3ffa2ef6d09e26.tar.xz
vdpa_sim_net: should not drop the multicast/broadcast packet
In the receive_filter(), should not drop the packet with the broadcast/multicast address. Add the check for this Signed-off-by: Cindy Lu <lulu@redhat.com> Message-Id: <20221214054306.24145-1-lulu@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
-rw-r--r--drivers/vdpa/vdpa_sim/vdpa_sim_net.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
index 11f5a121df24..584b975a98a7 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
@@ -62,6 +62,9 @@ static bool receive_filter(struct vdpasim *vdpasim, size_t len)
if (len < ETH_ALEN + hdr_len)
return false;
+ if (is_broadcast_ether_addr(vdpasim->buffer + hdr_len) ||
+ is_multicast_ether_addr(vdpasim->buffer + hdr_len))
+ return true;
if (!strncmp(vdpasim->buffer + hdr_len, vio_config->mac, ETH_ALEN))
return true;