Hi Jamal, John,
On Tue, 25 Jun 2019 07:24:37 -0400
Jamal Hadi Salim wrote:
> On 2019-06-25 5:06 a.m., John Hurley wrote:
> > On Tue, Jun 25, 2019 at 9:30 AM Eyal Birger
> > wrote:
>
> > I'm not sure on the history of why a value of 4 was selected here
> > but it seems to fall into line with
On 2019-06-25 5:06 a.m., John Hurley wrote:
On Tue, Jun 25, 2019 at 9:30 AM Eyal Birger wrote:
I'm not sure on the history of why a value of 4 was selected here but
it seems to fall into line with my findings.
Back then we could only loop in one direction (as opposed to two right
now) - so
On Tue, Jun 25, 2019 at 10:15 AM Florian Westphal wrote:
>
> John Hurley wrote:
> > Hi Eyal,
> > The value of 4 is basically a revert to what it was on older kernels
> > when TC had a TTL value in the skb:
> > https://elixir.bootlin.com/linux/v3.19.8/source/include/uapi/linux/pkt_cls.h#L97
>
> II
John Hurley wrote:
> Hi Eyal,
> The value of 4 is basically a revert to what it was on older kernels
> when TC had a TTL value in the skb:
> https://elixir.bootlin.com/linux/v3.19.8/source/include/uapi/linux/pkt_cls.h#L97
IIRC this TTL value was not used ever.
> I also found with my testing that
On Tue, Jun 25, 2019 at 9:30 AM Eyal Birger wrote:
>
> Hi John,
>
> On Mon, 24 Jun 2019 23:13:36 +0100
> John Hurley wrote:
>
> > TC hooks allow the application of filters and actions to packets at
> > both ingress and egress of the network stack. It is possible, with
> > poor configuration, that
Hi John,
On Mon, 24 Jun 2019 23:13:36 +0100
John Hurley wrote:
> TC hooks allow the application of filters and actions to packets at
> both ingress and egress of the network stack. It is possible, with
> poor configuration, that this can produce loops whereby an ingress
> hook calls a mirred egr
TC hooks allow the application of filters and actions to packets at both
ingress and egress of the network stack. It is possible, with poor
configuration, that this can produce loops whereby an ingress hook calls
a mirred egress action that has an egress hook that redirects back to
the first ingres
