From: Stephen Hemminger <stephen@networkplumber.org>
To: Jun Gan <geminijun@gmail.com>
Cc: Sunyi LIu <sunnysunny128@163.com>, users@dpdk.org
Subject: Re: [dpdk-users] Can anyone offer some ideas on using XL710 NIC for tx pkts
Date: Tue, 26 Nov 2019 15:01:26 -0800 [thread overview]
Message-ID: <20191126150126.4f819b5d@hermes.lan> (raw)
In-Reply-To: <CABzhwkNEO89HM94DfW4dra4+hNsG_1JDN_yz9wxh+KPN3jqSJg@mail.gmail.com>
On Tue, 26 Nov 2019 10:26:18 -0800
Jun Gan <geminijun@gmail.com> wrote:
> Have you ever tried to wait a while after initialization before sending the
> packet?
>
> I had an issue that it needs as long as ~30 seconds before sending out
> packet correctly.
>
> Don't know why yet.
>
>
> On Tue, Nov 26, 2019 at 12:28 AM Sunyi LIu <sunnysunny128@163.com> wrote:
>
> > hi ,
> > I'm using XL710 with i40e driver , receiveing packets works well but
> > sending packets fails. I pick rte_eth_tx_burst api for sending some
> > packets , rte_eth_tx_burst returns with successful sending count ,but there
> > is actually no packets sending out from the NIC (captured nothig and no tx
> > counters). The same thing can be successful using 82599 NIC but it will
> > fail using I40E . Is there any thing special I need for sending packets by
> > XL710?
> > My environment is as :
> > CentOS7.2
> > DPDK 18.11
> > XL710 for 40GbE QSFP+ rev 02 NIC
> > Thanks .
> > BR
> > sunny
>
>
>
Check that link is up (with rte_eth_link_get).
next prev parent reply other threads:[~2019-11-26 23:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-26 8:28 Sunyi LIu
2019-11-26 18:26 ` Jun Gan
2019-11-26 23:01 ` Stephen Hemminger [this message]
2019-11-27 2:08 ` Sunyi LIu
2019-11-27 2:11 ` 胡林帆
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