From: Scott Daniels <daniels@research.att.com>
To: Haiyue Wang <haiyue.wang@intel.com>
Cc: dev@dpdk.org, qi.z.zhang@intel.com, wenzhuo.lu@intel.com,
liang-min.wang@intel.com, ktraynor@redhat.com, stable@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2] net/ixgbevf: add an option pflink_fullchk to get link status nowait
Date: Fri, 7 Jun 2019 12:08:01 -0400 (EDT) [thread overview]
Message-ID: <alpine.LSU.2.20.12.1906071206180.12860@localhost> (raw)
In-Reply-To: <1559922981-101848-1-git-send-email-haiyue.wang@intel.com>
Acked-by: Scott Daniels daniels@research.att.com
On Fri, 7 Jun 2019, Haiyue Wang wrote:
> To get the VF's link status by calling 'rte_eth_link_get_nowait()', the
> VF not only check PF's physical link status, but also check the mailbox
> running status. And mailbox checking will generate mailbox interrupt in
> PF, it will be worse if many VFs are running in the system, the PF will
> have to handle many interrrupts.
>
> Normally, checking the PF's physical link status is enough for nowait.
> For different scenarios, adding an 'pflink_fullchk' option to control
> whether to check the link fully or not.
>
> Fixes: 91546fb62e67 ("net/ixgbevf: fix link state")
> Cc: stable@dpdk.org
>
> Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
next prev parent reply other threads:[~2019-06-07 16:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-07 15:56 Haiyue Wang
2019-06-07 16:08 ` Scott Daniels [this message]
2019-06-10 11:17 ` Zhang, Qi Z
2019-06-11 1:00 ` Wang, Haiyue
2019-06-11 1:29 ` Zhang, Qi Z
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