On Fri, Mar 19, 2021 at 01:18, Vladimir Oltean <[email protected]> wrote:
> From: Vladimir Oltean <[email protected]>
>
> The DSA core has a layered structure, and even though we end up
> returning 0 (success) to user space when setting a bonding/team upper
> that can't be offloaded, some parts of the framework actually need to
> know that we couldn't offload that.
>
> For example, if dsa_switch_lag_join returns 0 as it currently does,
> dsa_port_lag_join has no way to tell a successful offload from a
> software fallback, and it will call dsa_port_bridge_join afterwards.
> Then we'll think we're offloading the bridge master of the LAG, when in
> fact we're not even offloading the LAG. In turn, this will make us set
> skb->offload_fwd_mark = true, which is incorrect and the bridge doesn't
> like it.
>
> Signed-off-by: Vladimir Oltean <[email protected]>
> ---

Reviewed-by: Tobias Waldekranz <[email protected]>

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