net: make network client name unique
assign_name() creates a name MODEL.NUM, where MODEL is the client's model, and NUM is the number of MODELs that already exist. Markus added NIC naming for non-VLAN clients in commit 53e51d85. commit d33d93b2 incorrectly added a judgement of net-hub. It caused net clients created with -netdev get same names. eg: # qemu-upstream -device virtio-net-pci,netdev=h1 -netdev tap,id=h1 \ -device virtio-net-pci,netdev=h2 -netdev tap,id=h2 .. (qemu) info network virtio-net-pci.0: index=0,type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:56 \ h1: index=0,type=tap,ifname=tap0,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown virtio-net-pci.0: index=0,type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:57 \ h2: index=0,type=tap,ifname=tap1,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown This patch removed the check of nic-hub, and created unique names for all net clients that have same model. v2: update commitlog & comments Signed-off-by: NAmos Kong <akong@redhat.com> Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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