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bridge: push bridge setting ageing_time down to switchdev

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Use SWITCHDEV_F_SKIP_EOPNOTSUPP to skip over ports in bridge that don't
support setting ageing_time (or setting bridge attrs in general).

If push fails, don't update ageing_time in bridge and return err to user.

If push succeeds, update ageing_time in bridge and run gc_timer now to
recalabrate when to run gc_timer next, based on new ageing_time.

Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Scott Feldman
2015-10-08 19:23:19 -07:00
committed by David S. Miller
parent 464314ea6c
commit c62987bbd8
5 changed files with 29 additions and 7 deletions
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23
net/bridge/br_stp.c
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@@ -566,6 +566,29 @@ int br_set_max_age(struct net_bridge *br, unsigned long val)
}
int br_set_ageing_time(struct net_bridge *br, u32 ageing_time)
{
struct switchdev_attr attr = {
.id = SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
.flags = SWITCHDEV_F_SKIP_EOPNOTSUPP,
.u.ageing_time = 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)
return err;
br->ageing_time = t;
mod_timer(&br->gc_timer, jiffies);
return 0;
}
void __br_set_forward_delay(struct net_bridge *br, unsigned long t)
{
br->bridge_forward_delay = t;