diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/macvlan.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 62b4748d3836..4215106adc40 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -47,6 +47,7 @@ struct macvlan_port { struct sk_buff_head bc_queue; struct work_struct bc_work; u32 bc_queue_len_used; + int bc_cutoff; u32 flags; int count; struct hlist_head vlan_source_hash[MACVLAN_HASH_SIZE]; @@ -814,6 +815,12 @@ static void macvlan_compute_filter(unsigned long *mc_filter, } } +static void macvlan_recompute_bc_filter(struct macvlan_dev *vlan) +{ + macvlan_compute_filter(vlan->port->bc_filter, vlan->lowerdev, NULL, + vlan->port->bc_cutoff); +} + static void macvlan_set_mac_lists(struct net_device *dev) { struct macvlan_dev *vlan = netdev_priv(dev); @@ -838,8 +845,16 @@ static void macvlan_set_mac_lists(struct net_device *dev) */ macvlan_compute_filter(vlan->port->mc_filter, vlan->lowerdev, NULL, 0); - macvlan_compute_filter(vlan->port->bc_filter, vlan->lowerdev, NULL, - 1); + macvlan_recompute_bc_filter(vlan); +} + +static void update_port_bc_cutoff(struct macvlan_dev *vlan, int cutoff) +{ + if (vlan->port->bc_cutoff == cutoff) + return; + + vlan->port->bc_cutoff = cutoff; + macvlan_recompute_bc_filter(vlan); } static int macvlan_change_mtu(struct net_device *dev, int new_mtu) @@ -1254,6 +1269,7 @@ static int macvlan_port_create(struct net_device *dev) INIT_HLIST_HEAD(&port->vlan_source_hash[i]); port->bc_queue_len_used = 0; + port->bc_cutoff = 1; skb_queue_head_init(&port->bc_queue); INIT_WORK(&port->bc_work, macvlan_process_broadcast); @@ -1527,6 +1543,10 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, if (data && data[IFLA_MACVLAN_BC_QUEUE_LEN]) vlan->bc_queue_len_req = nla_get_u32(data[IFLA_MACVLAN_BC_QUEUE_LEN]); + if (data && data[IFLA_MACVLAN_BC_CUTOFF]) + update_port_bc_cutoff( + vlan, nla_get_s32(data[IFLA_MACVLAN_BC_CUTOFF])); + err = register_netdevice(dev); if (err < 0) goto destroy_macvlan_port; @@ -1623,6 +1643,10 @@ static int macvlan_changelink(struct net_device *dev, update_port_bc_queue_len(vlan->port); } + if (data && data[IFLA_MACVLAN_BC_CUTOFF]) + update_port_bc_cutoff( + vlan, nla_get_s32(data[IFLA_MACVLAN_BC_CUTOFF])); + if (set_mode) vlan->mode = mode; if (data && data[IFLA_MACVLAN_MACADDR_MODE]) { @@ -1703,6 +1727,9 @@ static int macvlan_fill_info(struct sk_buff *skb, goto nla_put_failure; if (nla_put_u32(skb, IFLA_MACVLAN_BC_QUEUE_LEN_USED, port->bc_queue_len_used)) goto nla_put_failure; + if (port->bc_cutoff != 1 && + nla_put_s32(skb, IFLA_MACVLAN_BC_CUTOFF, port->bc_cutoff)) + goto nla_put_failure; return 0; nla_put_failure: |