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SubjectRe: [PATCH] vdpa_sim_net: should not drop the multicast/broadcast packet
On Wed, Dec 14, 2022 at 1:43 PM Cindy Lu <lulu@redhat.com> wrote:
>
> 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>

Acked-by: Jason Wang <jasowang@redhat.com>

Thanks

> ---
> drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
> index c3cb225ea469..0f4739c31eea 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;
>
> --
> 2.34.3
>

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