[dpdk-dev] net/virtio: init MTU in case no control channel
Checks
Commit Message
The max_mtu is kept as zero in case no CRTL channel, which leads
to failure when calling virtio_mtu_set().
Signed-off-by: wangzhike <wangzhike@jd.com>
---
drivers/net/virtio/virtio_ethdev.c | 2 ++
1 file changed, 2 insertions(+)
Comments
On Wed, Oct 25, 2017 at 08:09:06PM -0700, wangzhike wrote:
> The max_mtu is kept as zero in case no CRTL channel, which leads
> to failure when calling virtio_mtu_set().
>
> Signed-off-by: wangzhike <wangzhike@jd.com>
Acked-by: Yuanhan Liu <yliu@fridaylinux.org>
Thanks.
--yliu
> ---
> drivers/net/virtio/virtio_ethdev.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
> index bfbd737..823b3fd 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -1474,6 +1474,8 @@ static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev,
> } else {
> PMD_INIT_LOG(DEBUG, "config->max_virtqueue_pairs=1");
> hw->max_queue_pairs = 1;
> + hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - ETHER_HDR_LEN -
> + VLAN_TAG_LEN - hw->vtnet_hdr_size;
> }
>
> ret = virtio_alloc_queues(eth_dev);
> --
> 1.8.3.1
07/11/2017 04:44, Yuanhan Liu:
> On Wed, Oct 25, 2017 at 08:09:06PM -0700, wangzhike wrote:
> > The max_mtu is kept as zero in case no CRTL channel, which leads
> > to failure when calling virtio_mtu_set().
> >
> > Signed-off-by: wangzhike <wangzhike@jd.com>
>
> Acked-by: Yuanhan Liu <yliu@fridaylinux.org>
Sorry, it cannot be applied without the real name of the author.
Hi,
On 11/12/2017 07:45 PM, Thomas Monjalon wrote:
> 07/11/2017 04:44, Yuanhan Liu:
>> On Wed, Oct 25, 2017 at 08:09:06PM -0700, wangzhike wrote:
>>> The max_mtu is kept as zero in case no CRTL channel, which leads
>>> to failure when calling virtio_mtu_set().
>>>
>>> Signed-off-by: wangzhike <wangzhike@jd.com>
>>
>> Acked-by: Yuanhan Liu <yliu@fridaylinux.org>
>
> Sorry, it cannot be applied without the real name of the author.
>
Could you please repost with your real name?
Thanks,
Maxime
Thanks.
I just changed the signed-off from wangzhike to "zhike wang". Zhike is given name, while wang is family name.
Br,
Zhike
-----Original Message-----
From: Maxime Coquelin [mailto:maxime.coquelin@redhat.com]
Sent: Thursday, January 04, 2018 11:16 PM
To: Thomas Monjalon; Yuanhan Liu; 王志克
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] net/virtio: init MTU in case no control channel
Hi,
On 11/12/2017 07:45 PM, Thomas Monjalon wrote:
> 07/11/2017 04:44, Yuanhan Liu:
>> On Wed, Oct 25, 2017 at 08:09:06PM -0700, wangzhike wrote:
>>> The max_mtu is kept as zero in case no CRTL channel, which leads
>>> to failure when calling virtio_mtu_set().
>>>
>>> Signed-off-by: wangzhike <wangzhike@jd.com>
>>
>> Acked-by: Yuanhan Liu <yliu@fridaylinux.org>
>
> Sorry, it cannot be applied without the real name of the author.
>
Could you please repost with your real name?
Thanks,
Maxime
@@ -1474,6 +1474,8 @@ static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev,
} else {
PMD_INIT_LOG(DEBUG, "config->max_virtqueue_pairs=1");
hw->max_queue_pairs = 1;
+ hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - ETHER_HDR_LEN -
+ VLAN_TAG_LEN - hw->vtnet_hdr_size;
}
ret = virtio_alloc_queues(eth_dev);