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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>
This commit is contained in:
Alexey Kardashevskiy 2014-02-14 12:27:04 +11:00 committed by Alexander Graf
parent ac174549b7
commit 0a61f3b478
1 changed files with 2 additions and 0 deletions
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2
hw/net/spapr_llan.c
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@ -405,6 +405,8 @@ static target_ulong h_add_logical_lan_buffer(PowerPCCPU *cpu,
dev->rx_bufs++;
qemu_flush_queued_packets(qemu_get_queue(dev->nic));
DPRINTF("h_add_logical_lan_buffer(): Added buf ptr=%d rx_bufs=%d"
" bd=0x%016llx\n", dev->add_buf_ptr, dev->rx_bufs,
(unsigned long long)buf);