From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: Sandeep Penigalapati <sandeep.penigalapati@intel.com>, <dev@dpdk.org>
Cc: Vladimir Medvedkin <vladimir.medvedkin@intel.com>,
Jedrzej Jagielski <jedrzej.jagielski@intel.com>,
Andrzej Wilczynski <andrzejx.wilczynski@intel.com>,
Bruce Richardson <bruce.richardson@intel.com>, <stable@dpdk.org>
Subject: Re: [PATCH] net/ixgbe: fix VF link status for E610
Date: Tue, 6 Oct 2026 12:38:48 +0200 [thread overview]
Message-ID: <521f9c58-5da6-46c8-8064-2abf76585946@intel.com> (raw)
In-Reply-To: <20260927175240.160260-1-sandeep.penigalapati@intel.com>
On 9/27/2026 7:52 PM, Sandeep Penigalapati wrote:
> E610 VFs report a wrong link speed (e.g. 10G while the PF is at 1G)
> because the speed is decoded from the VFLINKS register, which E610 does
> not use for VF link state.
>
> Commit adbd71030575 ("net/ixgbe/base: fix link status for E610") added a
> mailbox operation to fetch the link state from the PF and bumped the VF
> mailbox API to 1.6, but the PMD never used it: ixgbevf_negotiate_api()
> caps the API at 1.3 and ixgbevf_check_link() reads VFLINKS instead of the
> base helper.
>
> Negotiate the mailbox API up to 1.6 and query the PF for the link state
> on E610 VFs. Other MAC types are unchanged.
>
> Fixes: adbd71030575 ("net/ixgbe/base: fix link status for E610")
> Cc: stable@dpdk.org
> Signed-off-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
> ---
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
--
Thanks,
Anatoly
next prev parent reply other threads:[~2026-10-06 10:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-27 17:52 [PATCH] net/ixgbe: fix VF link status for E610 Sandeep Penigalapati
2026-10-06 10:38 ` Burakov, Anatoly [this message]
2026-10-06 11:00 ` Bruce Richardson
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