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Re: [Qemu-ppc] [PATCH] spapr-vlan: flush queue whenever can_receive can
From: |
Alexey Kardashevskiy |
Subject: |
Re: [Qemu-ppc] [PATCH] spapr-vlan: flush queue whenever can_receive can go from false to true |
Date: |
Fri, 21 Feb 2014 14:46:53 +1100 |
User-agent: |
Mozilla/5.0 (X11; Linux i686 on x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 |
On 02/14/2014 12:27 PM, Alexey Kardashevskiy wrote:
> 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.
Ping, anyone?
> Suggested-by: Max Filippov <address@hidden>
> Signed-off-by: Alexey Kardashevskiy <address@hidden>
> ---
> hw/net/spapr_llan.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/hw/net/spapr_llan.c b/hw/net/spapr_llan.c
> index 72b0513..a7f00db 100644
> --- a/hw/net/spapr_llan.c
> +++ b/hw/net/spapr_llan.c
> @@ -408,6 +408,8 @@ 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);
>
--
Alexey