Re: [PATCH v7 net-next 3/9] net: switchdev: add support for offloading of the FDB locked flag

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On Sun, Oct 09, 2022 at 07:40:46PM +0200, Hans J. Schultz wrote:
> Add support for offloading of the MAB/MacAuth feature flag and the FDB
> locked flag which is used by the Mac-Auth/MAB feature.
> 
> Signed-off-by: Hans J. Schultz <netdev@xxxxxxxxxxxxxxxxxxxx>
> ---
>  include/net/dsa.h         |  2 ++
>  include/net/switchdev.h   |  1 +
>  net/bridge/br.c           |  4 ++--
>  net/bridge/br_fdb.c       | 12 ++++++++++--
>  net/bridge/br_private.h   |  2 +-
>  net/bridge/br_switchdev.c |  3 ++-
>  net/dsa/dsa_priv.h        |  6 ++++--
>  net/dsa/port.c            | 10 ++++++----
>  net/dsa/slave.c           | 10 ++++++++--
>  net/dsa/switch.c          | 16 ++++++++--------
>  10 files changed, 44 insertions(+), 22 deletions(-)

There is more than one logical change here. I suggest splitting it to
make review easier:

1. A patch allowing the bridge driver to install locked entries notified
from device drivers. These changes:

include/net/switchdev.h   |  1 +
net/bridge/br.c           |  4 ++--
net/bridge/br_fdb.c       | 12 ++++++++++--
net/bridge/br_private.h   |  2 +-

And the br_switchdev_fdb_populate() hunk

2. A patch allowing DSA core to report locked entries to the bridge
driver

3. A patch adding the new MAB flag to BR_PORT_FLAGS_HW_OFFLOAD

4. A patch allowing DSA core to propagate the MAB flag to device drivers

[...]

> diff --git a/net/dsa/port.c b/net/dsa/port.c
> index e4a0513816bb..eab32b7a945a 100644
> --- a/net/dsa/port.c
> +++ b/net/dsa/port.c
> @@ -304,7 +304,7 @@ static int dsa_port_inherit_brport_flags(struct dsa_port *dp,
>  					 struct netlink_ext_ack *extack)
>  {
>  	const unsigned long mask = BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD |
> -				   BR_BCAST_FLOOD | BR_PORT_LOCKED;
> +				   BR_BCAST_FLOOD;

Not sure how this is related to the patchset.

>  	struct net_device *brport_dev = dsa_port_to_bridge_port(dp);
>  	int flag, err;



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