[RFC net-next 4/7] net: dsa: Include local addresses in assisted CPU port learning
From: Tobias Waldekranz <tobias@waldekranz.com>
Date: 2021-01-16 01:26:52
Subsystem:
networking [dsa], networking [general], the rest · Maintainers:
Andrew Lunn, Vladimir Oltean, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add local addresses (i.e. the ports' MAC addresses) to the hardware FDB when assisted CPU port learning is enabled. NOTE: The bridge's own MAC address is also "local". If that address is not shared with any port, the bridge's MAC is not be added by this functionality - but the following commit takes care of that case. Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com> --- net/dsa/slave.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index c5c81cba8259..dca393e45547 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c@@ -2174,10 +2174,12 @@ static int dsa_slave_switchdev_event(struct notifier_block *unused, fdb_info = ptr; if (dsa_slave_dev_check(dev)) { - if (!fdb_info->added_by_user) - return NOTIFY_OK; - dp = dsa_slave_to_port(dev); + + if (fdb_info->local && dp->ds->assisted_learning_on_cpu_port) + dp = dp->cpu_dp; + else if (!fdb_info->added_by_user) + return NOTIFY_OK; } else { /* Snoop addresses learnt on foreign interfaces * bridged with us, for switches that don't
--
2.17.1