On Thu, Feb 28, 2019 at 03:11:09PM +, Lorenz Bauer wrote:
> I've started working on this, and I've hit a snag with the reference
> tracking behaviour
> of bpf_tcp_sock. From what I can tell, the assumption is that a
> PTR_TO_TCP_SOCK
> doesn't need reference tracking, because its either skb->
On Tue, 26 Feb 2019 at 05:38, Martin Lau wrote:
>
> On Mon, Feb 25, 2019 at 06:26:42PM +, Lorenz Bauer wrote:
> > On Sat, 23 Feb 2019 at 00:44, Martin Lau wrote:
> > >
> > > On Fri, Feb 22, 2019 at 09:50:55AM +, Lorenz Bauer wrote:
> > > > Using bpf_sk_lookup_tcp it's possible to ascertai
On Mon, Feb 25, 2019 at 06:26:42PM +, Lorenz Bauer wrote:
> On Sat, 23 Feb 2019 at 00:44, Martin Lau wrote:
> >
> > On Fri, Feb 22, 2019 at 09:50:55AM +, Lorenz Bauer wrote:
> > > Using bpf_sk_lookup_tcp it's possible to ascertain whether a packet
> > > belongs
> > > to a known connection
On Sat, 23 Feb 2019 at 00:44, Martin Lau wrote:
>
> On Fri, Feb 22, 2019 at 09:50:55AM +, Lorenz Bauer wrote:
> > Using bpf_sk_lookup_tcp it's possible to ascertain whether a packet belongs
> > to a known connection. However, there is one corner case: no sockets are
> > created if SYN cookies
Hi Lorenz,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on bpf-next/master]
[also build test ERROR on next-20190222]
[cannot apply to v5.0-rc4]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github
Hi Lorenz,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on bpf-next/master]
[also build test ERROR on next-20190222]
[cannot apply to v5.0-rc4]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github
On Fri, Feb 22, 2019 at 09:50:55AM +, Lorenz Bauer wrote:
> Using bpf_sk_lookup_tcp it's possible to ascertain whether a packet belongs
> to a known connection. However, there is one corner case: no sockets are
> created if SYN cookies are active. This means that the final ACK in the
> 3WHS is
Using bpf_sk_lookup_tcp it's possible to ascertain whether a packet belongs
to a known connection. However, there is one corner case: no sockets are
created if SYN cookies are active. This means that the final ACK in the
3WHS is misclassified.
Using the helper, we can look up the listening socket
