diff options
Diffstat (limited to 'net/dsa/port.c')
| -rw-r--r-- | net/dsa/port.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/dsa/port.c b/net/dsa/port.c index ebc8d6cbd1d4..e23ece229c7e 100644 --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -257,6 +257,20 @@ int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering, return 0; } +/* This enforces legacy behavior for switch drivers which assume they can't + * receive VLAN configuration when enslaved to a bridge with vlan_filtering=0 + */ +bool dsa_port_skip_vlan_configuration(struct dsa_port *dp) +{ + struct dsa_switch *ds = dp->ds; + + if (!dp->bridge_dev) + return false; + + return (!ds->configure_vlan_while_not_filtering && + !br_vlan_enabled(dp->bridge_dev)); +} + int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock, struct switchdev_trans *trans) { |