xu.binb...@zte.com.cn writes:
> Hi Aaron,
>
> Thanks for your suggestion, I'll resubmit a patch for DPDK, and take a look
> at
> lib/netdev-bsd.c to confirm that the additional patch is needed or not.
>
> Thanks,
>
> Aaron Conole <acon...@redhat.com> 写于 2016/10/12 21:26:14:
>
>> 发件人: Aaron Conole <acon...@redhat.com>
>> 收件人: Binbin Xu <xu.binb...@zte.com.cn>,
>> 抄送: dev@openvswitch.org
>> 日期: 2016/10/12 21:26
>> 主题: Re: [ovs-dev] [PATCH] netdev: Initialize netdev's features
>> before getting them
>>
>> Hi Binbin,
>>
>> Binbin Xu <xu.binb...@zte.com.cn> writes:
>>
>> > When OVS&DPDK is used, DPDK doesn't support features 'advertised',
>> > 'supported' and 'peer'. If a physical port added to bridge, features
>> > descirbed above can't be assigned, and the values are random.
>> >
>> > Signed-off-by: Binbin Xu <xu.binb...@zte.com.cn>
>> > ---
>>
>> Thanks for reporting this. I consider this a bug in dpdk, not
>> something that requires changing the netdev framework. A look at other
>> netdev classes confirms this.
>>
>> Please re-submit something that fixes DPDK, like the following. If I
>> read it correctly, you might also submit an additional patch to cleanup
>> the interface in lib/netdev-bsd.c (which seems to be 'mismatched').
>>
>> NOTE patch is *completely* untested, not even compile tested.
>
> I have tested the patch in my environment, you means that i didn't make the
> unit test?
I meant I have not tested the code I posted.
>>
>> ---
>> diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c
>> index 39bf930..6f5ec43 100644
>> --- a/lib/netdev-dpdk.c
>> +++ b/lib/netdev-dpdk.c
>> @@ -1978,13 +1978,15 @@ out:
>> static int
>> netdev_dpdk_get_features(const struct netdev *netdev,
>> enum netdev_features *current,
>> - enum netdev_features *advertised OVS_UNUSED,
>> - enum netdev_features *supported OVS_UNUSED,
>> - enum netdev_features *peer OVS_UNUSED)
>> + enum netdev_features *advertised,
>> + enum netdev_features *supported,
>> + enum netdev_features *peer)
>> {
>> struct netdev_dpdk *dev = netdev_dpdk_cast(netdev);
>> struct rte_eth_link link;
>>
>> + *advertised = *peer = *supported = 0;
>> +
>> ovs_mutex_lock(&dev->mutex);
>> link = dev->link;
>> ovs_mutex_unlock(&dev->mutex);
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