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vdpa_sim_net: should not drop the multicast/broadcast packet 

[ Upstream commit 72455a1142 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Cindy Lu 2022-12-14 13:43:06 +08:00 committed by Greg Kroah-Hartman
parent c6c6af9010
commit 11891c80f1
1 changed files with 3 additions and 0 deletions
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3
drivers/vdpa/vdpa_sim/vdpa_sim_net.c
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@ -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;