On Fri, May 25, 2012 at 7:05 PM, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
> Il 25/05/2012 12:52, zwu.kernel@xxxxxxxxx ha scritto:
>> From: Zhi Yong Wu <wuzhy@xxxxxxxxxxxxxxxxxx>
>>
>> Only when all other hub port's *peer* .can_receive() all return 1, the source hub port .can_receive() return 1.
>>
>> Signed-off-by: Zhi Yong Wu <wuzhy@xxxxxxxxxxxxxxxxxx>
>> ---
>> net/hub.c | 27 ++++++++++++++++++++++++---
>> 1 files changed, 24 insertions(+), 3 deletions(-)
>>
>> diff --git a/net/hub.c b/net/hub.c
>> index 357ca87..478cce1 100644
>> --- a/net/hub.c
>> +++ b/net/hub.c
>> @@ -15,6 +15,7 @@
>> #include "monitor.h"
>> #include "net.h"
>> #include "hub.h"
>> +#include "iov.h"
>>
>> /*
>> * A hub broadcasts incoming packets to all its ports except the source port.
>> @@ -59,16 +60,16 @@ static ssize_t net_hub_receive_iov(NetHub *hub, NetHubPort *source_port,
>> const struct iovec *iov, int iovcnt)
>> {
>> NetHubPort *port;
>> - ssize_t ret = 0;
>> + ssize_t len = iov_size(iov, iovcnt);
>>
>> QLIST_FOREACH(port, &hub->ports, next) {
>> if (port == source_port) {
>> continue;
>> }
>>
>> - ret = qemu_sendv_packet(&port->nc, iov, iovcnt);
>> + qemu_sendv_packet(&port->nc, iov, iovcnt);
>
> I think you still need to apply flow control, otherwise you're cheating.
> But perhaps this is acceptable, I'll leave it to more expert people.
Great. thanks. any comments for other patches?
>
> Paolo
--
Regards,
Zhi Yong Wu
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