These patches get the BCM5325 switch working with b53.

There are still some sporadic errors related to FDB, but at least the
switch is working now:
bcm53xx fffe4800.ethernet-mii:1e: port 0 failed to add d6:67:0c:XX:XX:XX vid 1 to fdb: -28
bcm53xx fffe4800.ethernet-mii:1e: port 0 failed to add 5c:4c:a9:XX:XX:XX vid 0 to fdb: -28
bcm53xx fffe4800.ethernet-mii:1e: port 0 failed to add 5c:4c:a9:XX:XX:XX vid 1 to fdb: -28
bcm53xx fffe4800.ethernet-mii:1e: port 0 failed to delete d6:67:0c:XX:XX:XX vid 1 from fdb: -2

I'm not really sure that everything here is correct since I don't work for
Broadcom and all this is based on the public datasheet available for the
BCM5325 and my own experiments with a Huawei HG556a (BCM6358).

Florian Fainelli (1):
  net: dsa: b53: add support for FDB operations on 5325/5365

Álvaro Fernández Rojas (9):
  net: dsa: b53: prevent FAST_AGE access on BCM5325
  net: dsa: b53: prevent SWITCH_CTRL access on BCM5325
  net: dsa: b53: fix IP_MULTICAST_CTRL on BCM5325
  net: dsa: b53: prevent DIS_LEARNING access on BCM5325
  net: dsa: b53: prevent BRCM_HDR access on BCM5325
  net: dsa: b53: prevent GMII_PORT_OVERRIDE_CTRL access on BCM5325
  net: dsa: b53: fix unicast/multicast flooding on BCM5325
  net: dsa: b53: fix b53_imp_vlan_setup for BCM5325
  net: dsa: b53: ensure BCM5325 PHYs are enabled

 drivers/net/dsa/b53/b53_common.c | 213 +++++++++++++++++++++++--------
 drivers/net/dsa/b53/b53_priv.h   |  57 ++++++---
 drivers/net/dsa/b53/b53_regs.h   |  47 ++++++-
 3 files changed, 246 insertions(+), 71 deletions(-)

-- 
2.39.5

On Sat, May 31, 2025 at 12:13 PM Álvaro Fernández Rojas
<noltari@gmail.com> wrote:
>
> These patches get the BCM5325 switch working with b53.
>
> There are still some sporadic errors related to FDB, but at least the
> switch is working now:
> bcm53xx fffe4800.ethernet-mii:1e: port 0 failed to add d6:67:0c:XX:XX:XX vid 1 to fdb: -28
> bcm53xx fffe4800.ethernet-mii:1e: port 0 failed to add 5c:4c:a9:XX:XX:XX vid 0 to fdb: -28
> bcm53xx fffe4800.ethernet-mii:1e: port 0 failed to add 5c:4c:a9:XX:XX:XX vid 1 to fdb: -28
> bcm53xx fffe4800.ethernet-mii:1e: port 0 failed to delete d6:67:0c:XX:XX:XX vid 1 from fdb: -2
>
> I'm not really sure that everything here is correct since I don't work for
> Broadcom and all this is based on the public datasheet available for the
> BCM5325 and my own experiments with a Huawei HG556a (BCM6358).

The number of buckets is wrong for 5325, and it actually has only half
of that: "The address table is organized into 512 buckets with two
entries in each bucket."

Might be related, might be not.

Regards,
Jonas