On 1/24/23 13:57, Eelco Chaudron wrote:
> tc does not support conntrack ALGs. Even worse, with tc enabled, they
> should not be used/configured at all. This is because even though TC
> will ignore the rules with ALG configured, i.e., they will flow through
> the kernel module, return traffic might flow through a tc conntrack
> rule, and it will not invoke the ALG helper.
> 
> Signed-off-by: Eelco Chaudron <echau...@redhat.com>
> Acked-by: Roi Dayan <r...@nvidia.com>
> ---
>  Documentation/howto/tc-offload.rst |   11 +++++++++++
>  lib/netdev-offload-tc.c            |    4 ++++
>  tests/system-offloads.at           |   27 +++++++--------------------
>  3 files changed, 22 insertions(+), 20 deletions(-)
> 
> diff --git a/Documentation/howto/tc-offload.rst 
> b/Documentation/howto/tc-offload.rst
> index f6482c8af..63687adc9 100644
> --- a/Documentation/howto/tc-offload.rst
> +++ b/Documentation/howto/tc-offload.rst
> @@ -112,3 +112,14 @@ First flow packet not processed by meter
>  Packets that are received by ovs-vswitchd through an upcall before the actual
>  meter flow is installed, are not passing TC police action and therefore are
>  not considered for policing.
> +
> +Conntrack Application Layer Gateways(ALG)

Nit:  a space before the '(ALG)' would be nice.
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