netdev - Re: [PATCH net-next ct-offload v3 00/15] Introduce connection tracking offload

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Message-ID: <20200311191353.GL2546@localhost.localdomain>
Date:   Wed, 11 Mar 2020 16:13:53 -0300
From:   Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:     Paul Blakey <paulb@...lanox.com>
Cc:     Saeed Mahameed <saeedm@...lanox.com>,
        Oz Shlomo <ozsh@...lanox.com>,
        Vlad Buslov <vladbu@...lanox.com>,
        David Miller <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Jiri Pirko <jiri@...lanox.com>, Roi Dayan <roid@...lanox.com>
Subject: Re: [PATCH net-next ct-offload v3 00/15] Introduce connection
 tracking offload

On Wed, Mar 11, 2020 at 04:33:43PM +0200, Paul Blakey wrote:
> Applying this patchset
> --------------------------
> 
> On top of current net-next ("r8169: simplify getting stats by using netdev_stats_to_stats64"),
> pull Saeed's ct-offload branch, from git git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git
> and fix the following non trivial conflict in fs_core.c as follows:
> #define OFFLOADS_MAX_FT 2
> #define OFFLOADS_NUM_PRIOS 2
> #define OFFLOADS_MIN_LEVEL (ANCHOR_MIN_LEVEL + OFFLOADS_NUM_PRIOS)
> 
> Then apply this patchset.

I did this and I couldn't get tc offloading (not ct) to work anymore.
Then I moved to current net-next (the commit you mentioned above), and
got the same thing.

What I can tell so far is that 
perf script | head
       handler11  4415 [009]  1263.438424: probe:mlx5e_configure_flower__return: (ffffffffc094fa80 <- ffffffff93dc510a) arg1=0xffffffffffffffa1

and that's EOPNOTSUPP. Not sure yet where that is coming from.


Btw, it's prooving to be a nice exercise to find out why it is failing
to offload. Perhaps some netdev_err_once() is welcomed.

  Marcelo