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virtio-net: revert mac on reset

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Once guest overrides virtio net primary mac,
it retains the value set until qemu exit.
This is inconsistent with standard nic behaviour.
To fix, revert the mac to the original value on reset.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2013-01-16 11:37:40 +02:00
parent 7586317bc0
commit 41dc8a67c7
1 changed files with 1 additions and 0 deletions
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1
hw/virtio-net.c
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@ -199,6 +199,7 @@ static void virtio_net_reset(VirtIODevice *vdev)
n->mac_table.multi_overflow = 0;
n->mac_table.uni_overflow = 0;
memset(n->mac_table.macs, 0, MAC_TABLE_ENTRIES * ETH_ALEN);
memcpy(&n->mac[0], &n->nic->conf->macaddr, sizeof(n->mac));
memset(n->vlans, 0, MAX_VLAN >> 3);
}