From: Stephen Hemminger <stephen@networkplumber.org>
To: Nandini Rangaswamy <nandini.rangaswamy@broadcom.com>
Cc: Long Li <longli@microsoft.com>, users@dpdk.org
Subject: Re: Netvsc PMD : Hotplug handling : checksum offloads
Date: Thu, 24 Oct 2024 09:33:57 -0700 [thread overview]
Message-ID: <20241024093357.2473c767@hermes.local> (raw)
In-Reply-To: <CAAkQrK8nP6SanRUhwbf9RBYoL-rk+v+HrVSDxeAOTRbcg+9rMw@mail.gmail.com>
On Wed, 23 Oct 2024 13:34:53 -0700
Nandini Rangaswamy <nandini.rangaswamy@broadcom.com> wrote:
> Hi Stephen,
> The code looking at checksum flags in each packet would not give us desired
> performance. Instead, should the dpdk app register callbacks for hotplug
> add and re-configure the checksum offloads when VF is added again?
> Regards,
> Nandini
The code in hn_vf_add which is where netvsc PMD handles hot add of VF
should be feeding the current offload settings to the VF.
Maybe the rte_eth_conf being passed to VF is incorrect, or
the configuration step there is failing. Probably need more instrumentation
and logs to tell.
next prev parent reply other threads:[~2024-10-24 16:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-19 18:11 Nandini Rangaswamy
2024-09-19 18:47 ` Stephen Hemminger
2024-10-23 20:34 ` Nandini Rangaswamy
2024-10-24 16:33 ` Stephen Hemminger [this message]
2024-10-24 21:38 ` Nandini Rangaswamy
2024-10-30 1:01 ` Nandini Rangaswamy
2024-10-31 22:14 ` Long Li
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