This is a note to let you know that I've just added the patch titled
vdpa_sim_net: should not drop the multicast/broadcast packet
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
vdpa_sim_net-should-not-drop-the-multicast-broadcast.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 5e2bf956726c15969b22225412b4c9d51d8bb747
Author: Cindy Lu <lulu@xxxxxxxxxx>
Date: Wed Dec 14 13:43:06 2022 +0800
vdpa_sim_net: should not drop the multicast/broadcast packet
[ Upstream commit 72455a1142527e607e1d69439f3ffa2ef6d09e26 ]
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@xxxxxxxxxx>
Message-Id: <20221214054306.24145-1-lulu@xxxxxxxxxx>
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
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;
