[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PULL 2/3] xen-platform: Cleanup network infrastructure when emulated NICs are unplugged
From: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx> 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: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx> Acked-by: Anthony PERARD <anthony.perard@xxxxxxxxxx> Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx> --- hw/i386/xen/xen_platform.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/hw/i386/xen/xen_platform.c b/hw/i386/xen/xen_platform.c index 1419fc9..f231558 100644 --- a/hw/i386/xen/xen_platform.c +++ b/hw/i386/xen/xen_platform.c @@ -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); } -- 1.9.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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