On Sat, Aug 24, 2019 at 04:42:50AM +0200, Marek Behún wrote:
> Implement ndo_set_iflink for DSA slave device. In multi-CPU port setup
> this should be used to change to which CPU destination port a given port
> should be connected.
>
> This adds a new operation into the DSA switch operations structure,
> port_change_cpu_port. A driver implementing this function has the
> ability to change CPU destination port of a given port.
>
> Signed-off-by: Marek Behún <marek.be...@nic.cz>
> ---
> include/net/dsa.h | 6 ++++++
> net/dsa/slave.c | 35 +++++++++++++++++++++++++++++++++++
> 2 files changed, 41 insertions(+)
>
> diff --git a/include/net/dsa.h b/include/net/dsa.h
> index 64bd70608f2f..4f3f0032b886 100644
> --- a/include/net/dsa.h
> +++ b/include/net/dsa.h
> @@ -545,6 +545,12 @@ struct dsa_switch_ops {
> */
> netdev_tx_t (*port_deferred_xmit)(struct dsa_switch *ds, int port,
> struct sk_buff *skb);
> +
> + /*
> + * Multi-CPU port support
> + */
> + int (*port_change_cpu_port)(struct dsa_switch *ds, int port,
> + struct dsa_port *new_cpu_dp);
> };
Hi Marek
We need to see an actual implementation of this. We don't add new APIs
without having a user.
Andrew
