linux-kernel - Re: [PATCH net-next] stmmac: align RX buffers

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Message-ID: <87czq8yodq.wl-maz@kernel.org>
Date:   Fri, 20 Aug 2021 19:14:41 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     Matteo Croce <mcroce@...ux.microsoft.com>
Cc:     Eric Dumazet <eric.dumazet@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        netdev@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Drew Fustini <drew@...gleboard.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Jon Hunter <jonathanh@...dia.com>,
        Will Deacon <will@...nel.org>
Subject: Re: [PATCH net-next] stmmac: align RX buffers

On Fri, 20 Aug 2021 19:05:57 +0100,
Matteo Croce <mcroce@...ux.microsoft.com> wrote:
> 
> On Fri, Aug 20, 2021 at 7:56 PM Matteo Croce <mcroce@...ux.microsoft.com> wrote:
> >
> > On Fri, Aug 20, 2021 at 7:51 PM Marc Zyngier <maz@...nel.org> wrote:
> > >
> > > On Fri, 20 Aug 2021 18:35:45 +0100,
> > > Matteo Croce <mcroce@...ux.microsoft.com> wrote:
> > Great.
> > So I doubt that the adjustment is needed.
> > Does it work with all the frame size?
> >
> 
> Last check, are you sure that the bpf program was loaded in the driver
> and not as generic XDP?
> You can force it as native with "xdpdrv":
> 
> ip link set eth xdpdrv object kernel_passall.o

No issue whatsoever with 5.13.

	M.

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