Date: Sat, 1 Feb 2014 18:29:19 -0800 From: hiren panchasara <hiren.panchasara@gmail.com> To: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: Errors using span interface on if_bridge(4) Message-ID: <CALCpEUEDCPWog3sQzhTgL2NFyF1OB7YECxPvEr%2BLxNvhOOhQtA@mail.gmail.com> In-Reply-To: <CALCpEUFLwZ6vismFKgyo1Q_P4iwzxS%2BjBozTV%2BO1kvap6U8brQ@mail.gmail.com> References: <CALCpEUH7YHhG3gw0wrObsJux=PWmJu2K6_tzCbCfXQ21ENYHdw@mail.gmail.com> <CALCpEUEuXR7_Q8_zt2TjnsOqt_rYMH5do=UEjssqkj684Xdimg@mail.gmail.com> <CALCpEUFLwZ6vismFKgyo1Q_P4iwzxS%2BjBozTV%2BO1kvap6U8brQ@mail.gmail.com>
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On Sat, Feb 1, 2014 at 5:16 PM, hiren panchasara
<hiren.panchasara@gmail.com> wrote:
> I rebuilt the kernel with following change to check failure:
>
> Index: if_bridge.c
> ===================================================================
> --- if_bridge.c (revision 260789)
> +++ if_bridge.c (working copy)
> @@ -2536,6 +2536,7 @@
> struct bridge_iflist *bif;
> struct ifnet *dst_if;
> struct mbuf *mc;
> + int error = 0;
>
> if (LIST_EMPTY(&sc->sc_spanlist))
> return;
> @@ -2552,7 +2553,9 @@
> continue;
> }
>
> - bridge_enqueue(sc, dst_if, mc);
> + error = bridge_enqueue(sc, dst_if, mc);
> + if (error)
> + printf("%s: bridge_enqueue failed\n", __func__);
> }
> }
>
> After this change and reboot, I see packets on ix3 without those
> bad-len errors seen before.
Just an update that it was not this change which was triggering
anything. I reverted it and things are still the same.
I guess reboot caused those bad-len errors to go away.
Trying to find how to narrow down what is causing this checksum errors.
cheers,
Hiren
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