diff options
Diffstat (limited to 'kernel/net/bridge/br_stp.c')
| -rw-r--r-- | kernel/net/bridge/br_stp.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/kernel/net/bridge/br_stp.c b/kernel/net/bridge/br_stp.c index 5f3f64553..eff69cb27 100644 --- a/kernel/net/bridge/br_stp.c +++ b/kernel/net/bridge/br_stp.c @@ -567,6 +567,14 @@ int br_set_max_age(struct net_bridge *br, unsigned long val) } +/* Set time interval that dynamic forwarding entries live + * For pure software bridge, allow values outside the 802.1 + * standard specification for special cases: + * 0 - entry never ages (all permanant) + * 1 - entry disappears (no persistance) + * + * Offloaded switch entries maybe more restrictive + */ int br_set_ageing_time(struct net_bridge *br, u32 ageing_time) { struct switchdev_attr attr = { @@ -577,11 +585,8 @@ int br_set_ageing_time(struct net_bridge *br, u32 ageing_time) unsigned long t = clock_t_to_jiffies(ageing_time); int err; - if (t < BR_MIN_AGEING_TIME || t > BR_MAX_AGEING_TIME) - return -ERANGE; - err = switchdev_port_attr_set(br->dev, &attr); - if (err) + if (err && err != -EOPNOTSUPP) return err; br->ageing_time = t; |