diff options
| -rw-r--r-- | net/bridge/br_if.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index a73df3315df9..8217aecf025b 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -437,6 +437,20 @@ int br_min_mtu(const struct net_bridge *br) return mtu; } +static void br_set_gso_limits(struct net_bridge *br) +{ + unsigned int gso_max_size = GSO_MAX_SIZE; + u16 gso_max_segs = GSO_MAX_SEGS; + const struct net_bridge_port *p; + + list_for_each_entry(p, &br->port_list, list) { + gso_max_size = min(gso_max_size, p->dev->gso_max_size); + gso_max_segs = min(gso_max_segs, p->dev->gso_max_segs); + } + br->dev->gso_max_size = gso_max_size; + br->dev->gso_max_segs = gso_max_segs; +} + /* * Recomputes features using slave's features */ @@ -564,6 +578,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) call_netdevice_notifiers(NETDEV_CHANGEADDR, br->dev); dev_set_mtu(br->dev, br_min_mtu(br)); + br_set_gso_limits(br); kobject_uevent(&p->kobj, KOBJ_ADD); @@ -610,6 +625,7 @@ int br_del_if(struct net_bridge *br, struct net_device *dev) del_nbp(p); dev_set_mtu(br->dev, br_min_mtu(br)); + br_set_gso_limits(br); spin_lock_bh(&br->lock); changed_addr = br_stp_recalculate_bridge_id(br); |