On Mon, Oct 21, 2019 at 11:01:43PM +0200, Iwan R Timmer wrote:
> Add support for configuring port mirroring through the cls_matchall
> classifier. We do a full ingress and/or egress capture towards a
> capture port. It allows setting a different capture port for ingress
> and egress traffic.
>
> It keeps track of the mirrored ports and the destination ports to
> prevent changes to the capture port while other ports are being
> mirrored.
>
> Signed-off-by: Iwan R Timmer <[email protected]>
> ---
> drivers/net/dsa/mv88e6xxx/chip.c | 70 +++++++++++++++++++++++++++++
> drivers/net/dsa/mv88e6xxx/chip.h | 6 +++
> drivers/net/dsa/mv88e6xxx/global1.c | 11 ++++-
> drivers/net/dsa/mv88e6xxx/port.c | 29 ++++++++++++
> drivers/net/dsa/mv88e6xxx/port.h | 2 +
> 5 files changed, 117 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/dsa/mv88e6xxx/chip.c
> b/drivers/net/dsa/mv88e6xxx/chip.c
> index e9735346838d..14e71bc98513 100644
> --- a/drivers/net/dsa/mv88e6xxx/chip.c
> +++ b/drivers/net/dsa/mv88e6xxx/chip.c
> @@ -4921,6 +4921,74 @@ static int mv88e6xxx_port_mdb_del(struct dsa_switch
> *ds, int port,
> return err;
> }
>
> +static int mv88e6xxx_port_mirror_add(struct dsa_switch *ds, int port,
> + struct dsa_mall_mirror_tc_entry *mirror,
> + bool ingress)
This bool is defined by the API to the DSA core, so we cannot do much
to make it easier to understand.
> + err = mv88e6xxx_port_set_mirror(chip, port, ingress, true);
but here we could use enums for both ingress and this second true.
Maybe the enum i suggested for the previous patch could be more
generic and just represent ingress/egress?
> @@ -228,6 +228,8 @@ struct mv88e6xxx_port {
> u64 vtu_miss_violation;
> u8 cmode;
> unsigned int serdes_irq;
> + bool mirror_ingress;
> + bool mirror_egress;
> };
In terms of structure packing, it might be better to put these two
bools after cmode.
Andrew
