spapr-vlan: flush queue whenever can_receive can go from false to true
When the guests adds buffers to receive queue, the network device should flush its queue of pending packets. This is done with qemu_flush_queued_packets. This adds a call to qemu_flush_queued_packets() which wakes up the main loop and let QEMU update the network device status which now is "can receive". The patch basically does the same thing as e8b4c68 does. Suggested-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Alexander Graf <agraf@suse.de>
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@ -405,6 +405,8 @@ static target_ulong h_add_logical_lan_buffer(PowerPCCPU *cpu,
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dev->rx_bufs++;
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qemu_flush_queued_packets(qemu_get_queue(dev->nic));
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DPRINTF("h_add_logical_lan_buffer(): Added buf ptr=%d rx_bufs=%d"
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" bd=0x%016llx\n", dev->add_buf_ptr, dev->rx_bufs,
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(unsigned long long)buf);
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