Commit 6c808651 authored by Ross Lagerwall's avatar Ross Lagerwall Committed by Stefano Stabellini
Browse files

xen-platform: Cleanup network infrastructure when emulated NICs are unplugged 



When the guest unplugs the emulated NICs, cleanup the peer for each NIC
as it is not needed anymore. Most importantly, this allows the tap
interfaces which QEMU holds open to be closed and removed.

Signed-off-by: default avatarRoss Lagerwall <ross.lagerwall@citrix.com>
Acked-by: default avatarAnthony PERARD <anthony.perard@citrix.com>
Signed-off-by: default avatarStefano Stabellini <sstabellini@kernel.org>
parent 9f2130f5

hw/i386/xen/xen_platform.c

+11 −0
Original line number Diff line number Diff line
@@ -102,8 +102,19 @@ static void unplug_nic(PCIBus *b, PCIDevice *d, void *o) 
    }

}



/* Remove the peer of the NIC device. Normally, this would be a tap device. */

static void del_nic_peer(NICState *nic, void *opaque)

{

    NetClientState *nc;



    nc = qemu_get_queue(nic);

    if (nc->peer)

        qemu_del_net_client(nc->peer);

}



static void pci_unplug_nics(PCIBus *bus)

{

    qemu_foreach_nic(del_nic_peer, NULL);

    pci_for_each_device(bus, 0, unplug_nic, NULL);

}