DPDK patches and discussions
 help / color / mirror / Atom feed
From: Andrew Rybchenko <arybchenko@solarflare.com>
To: Tiwei Bie <tiwei.bie@intel.com>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>,
	Zhihong Wang <zhihong.wang@intel.com>, <dev@dpdk.org>,
	Dilshod Urazov <Dilshod.Urazov@oktetlabs.ru>, <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 3/3] net/virtio: reject unsupported Rx multi queue modes
Date: Wed, 9 Oct 2019 11:04:38 +0300	[thread overview]
Message-ID: <c9e81a56-337e-7116-fc8c-de00635b6181@solarflare.com> (raw)
In-Reply-To: <20191008054650.GA22478@___>

On 10/8/19 8:46 AM, Tiwei Bie wrote:
> On Tue, Oct 01, 2019 at 04:44:31PM +0100, Andrew Rybchenko wrote:
>> From: Dilshod Urazov <Dilshod.Urazov@oktetlabs.ru>
>>
>> This driver supports none of DCB, RSS or VMDQ modes,
>> therefore must check and return error if configured incorrectly.
>>
>> Fixes: c1f86306a026 ("virtio: add new driver")
>> Cc: stable@dpdk.org
>>
>> Signed-off-by: Dilshod Urazov <Dilshod.Urazov@oktetlabs.ru>
>> Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
>> ---
>>   drivers/net/virtio/virtio_ethdev.c | 7 +++++++
>>   1 file changed, 7 insertions(+)
>>
>> diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
>> index 7261109dd..0af4fc392 100644
>> --- a/drivers/net/virtio/virtio_ethdev.c
>> +++ b/drivers/net/virtio/virtio_ethdev.c
>> @@ -2071,6 +2071,13 @@ virtio_dev_configure(struct rte_eth_dev *dev)
>>   	PMD_INIT_LOG(DEBUG, "configure");
>>   	req_features = VIRTIO_PMD_DEFAULT_GUEST_FEATURES;
>>   
>> +	if (rxmode->mq_mode != ETH_MQ_RX_NONE) {
>> +		PMD_DRV_LOG(ERR,
>> +			"Unsupported Rx multi queue mode %d",
>> +			rxmode->mq_mode);
>> +		return -EINVAL;
>> +	}
> We need similar checks for Tx as well.

OK, I'll add.

However, I'm not 100% sure about RSS. Yes, I know that virtio has
no RSS configuration support, but it looks possible to have multi queue
in vhost-net case.


  reply	other threads:[~2019-10-09  8:04 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-01 15:44 [dpdk-dev] [PATCH 1/3] net/virtio: reject deferred start Rx queue setup Andrew Rybchenko
2019-10-01 15:44 ` [dpdk-dev] [PATCH 2/3] net/virtio: reject deferred start Tx " Andrew Rybchenko
2019-10-08  5:35   ` Tiwei Bie
2019-10-01 15:44 ` [dpdk-dev] [PATCH 3/3] net/virtio: reject unsupported Rx multi queue modes Andrew Rybchenko
2019-10-08  5:46   ` Tiwei Bie
2019-10-09  8:04     ` Andrew Rybchenko [this message]
2019-10-09  8:43       ` Tiwei Bie
2019-10-09  9:00         ` Andrew Rybchenko
2019-10-09 10:41           ` Tiwei Bie
2019-10-09 11:24             ` Andrew Rybchenko
2019-10-10  7:42               ` Thomas Monjalon
2019-10-10  8:13                 ` Andrew Rybchenko
2019-10-10  8:23                   ` David Marchand
2019-10-10  8:27                     ` Andrew Rybchenko
2019-10-10  9:10                       ` Tiwei Bie
2019-10-01 16:29 ` [dpdk-dev] [PATCH 1/3] net/virtio: reject deferred start Rx queue setup Kevin Traynor
2019-10-01 16:39   ` Andrew Rybchenko
2019-10-09 12:32 ` [dpdk-dev] [PATCH v2 1/4] " Andrew Rybchenko
2019-10-09 12:32   ` [dpdk-dev] [PATCH v2 2/4] net/virtio: reject deferred start Tx " Andrew Rybchenko
2019-10-24  9:44     ` Maxime Coquelin
2019-10-09 12:32   ` [dpdk-dev] [PATCH v2 3/4] net/virtio: reject unsupported Rx multi queue modes Andrew Rybchenko
2019-10-24  9:44     ` Maxime Coquelin
2019-10-09 12:32   ` [dpdk-dev] [PATCH v2 4/4] net/virtio: reject unsupported Tx " Andrew Rybchenko
2019-10-24  9:44     ` Maxime Coquelin
2019-10-24  9:44   ` [dpdk-dev] [PATCH v2 1/4] net/virtio: reject deferred start Rx queue setup Maxime Coquelin
2019-10-24 10:19     ` Maxime Coquelin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=c9e81a56-337e-7116-fc8c-de00635b6181@solarflare.com \
    --to=arybchenko@solarflare.com \
    --cc=Dilshod.Urazov@oktetlabs.ru \
    --cc=dev@dpdk.org \
    --cc=maxime.coquelin@redhat.com \
    --cc=stable@dpdk.org \
    --cc=tiwei.bie@intel.com \
    --cc=zhihong.wang@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).