netdev - RE: [Intel-wired-lan] [PATCH net v2 3/3] ixgbe: add double of VLAN header when computing the max MTU

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Message-ID: <MN2PR11MB4045A74C446C281EEB2ECA96EAA29@MN2PR11MB4045.namprd11.prod.outlook.com>
Date:   Tue, 14 Feb 2023 02:19:42 +0000
From:   "Rout, ChandanX" <chandanx.rout@...el.com>
To:     Jason Xing <kerneljasonxing@...il.com>,
        "alexander.duyck@...il.com" <alexander.duyck@...il.com>,
        "Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
        "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "richardcochran@...il.com" <richardcochran@...il.com>,
        "ast@...nel.org" <ast@...nel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "hawk@...nel.org" <hawk@...nel.org>,
        "john.fastabend@...il.com" <john.fastabend@...il.com>,
        "Lobakin, Alexandr" <alexandr.lobakin@...el.com>,
        "Fijalkowski, Maciej" <maciej.fijalkowski@...el.com>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Alexander Duyck <alexanderduyck@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        Jason Xing <kernelxing@...cent.com>,
        "Kuruvinakunnel, George" <george.kuruvinakunnel@...el.com>,
        "Nagaraju, Shwetha" <shwetha.nagaraju@...el.com>,
        "Nagraj, Shravan" <shravan.nagraj@...el.com>
Subject: RE: [Intel-wired-lan] [PATCH net v2 3/3] ixgbe: add double of VLAN
 header when computing the max MTU



>-----Original Message-----
>From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
>Jason Xing
>Sent: 09 February 2023 08:11
>To: alexander.duyck@...il.com; Brandeburg, Jesse
><jesse.brandeburg@...el.com>; Nguyen, Anthony L
><anthony.l.nguyen@...el.com>; davem@...emloft.net;
>edumazet@...gle.com; kuba@...nel.org; pabeni@...hat.com;
>richardcochran@...il.com; ast@...nel.org; daniel@...earbox.net;
>hawk@...nel.org; john.fastabend@...il.com; Lobakin, Alexandr
><alexandr.lobakin@...el.com>; Fijalkowski, Maciej
><maciej.fijalkowski@...el.com>
>Cc: kerneljasonxing@...il.com; netdev@...r.kernel.org; Alexander Duyck
><alexanderduyck@...com>; linux-kernel@...r.kernel.org; intel-wired-
>lan@...ts.osuosl.org; bpf@...r.kernel.org; Jason Xing
><kernelxing@...cent.com>
>Subject: [Intel-wired-lan] [PATCH net v2 3/3] ixgbe: add double of VLAN
>header when computing the max MTU
>
>From: Jason Xing <kernelxing@...cent.com>
>
>Include the second VLAN HLEN into account when computing the maximum
>MTU size as other drivers do.
>
>Fixes: fabf1bce103a ("ixgbe: Prevent unsupported configurations with XDP")
>Signed-off-by: Jason Xing <kernelxing@...cent.com>
>Reviewed-by: Alexander Duyck <alexanderduyck@...com>
>---
>v2: add reviewed-by label.
>---
> drivers/net/ethernet/intel/ixgbe/ixgbe.h      | 2 ++
> drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 3 +--
> 2 files changed, 3 insertions(+), 2 deletions(-)
>

Tested-by: Chandan Kumar Rout <chandanx.rout@...el.com> (A Contingent Worker at Intel)