diff options
| author | Vivien Didelot <vivien.didelot@savoirfairelinux.com> | 2016-02-26 19:16:05 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-03-01 22:24:52 +0100 |
| commit | 466dfa0770220cebad2e58e1905489328fc9daf7 (patch) | |
| tree | 48896a9942ffa12eca033e93ffe071aa36afa9e1 /drivers/net/dsa | |
| parent | net: dsa: mv88e6xxx: assign default FDB to ports (diff) | |
| download | linux-466dfa0770220cebad2e58e1905489328fc9daf7.tar.xz linux-466dfa0770220cebad2e58e1905489328fc9daf7.zip | |
net: dsa: mv88e6xxx: assign dynamic FDB to bridges
Give a new bridge a fresh FDB, assign it to its members, and restore a
fresh FDB to a port leaving a bridge.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx.c | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index 0f064889ea08..0f169119cbb8 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -2093,19 +2093,56 @@ int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port, struct net_device *bridge) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); + u16 fid; + int i, err; + + mutex_lock(&ps->smi_mutex); + + /* Get or create the bridge FID and assign it to the port */ + for (i = 0; i < ps->num_ports; ++i) + if (ps->ports[i].bridge_dev == bridge) + break; + + if (i < ps->num_ports) + err = _mv88e6xxx_port_fid_get(ds, i, &fid); + else + err = _mv88e6xxx_fid_new(ds, &fid); + if (err) + goto unlock; + + err = _mv88e6xxx_port_fid_set(ds, port, fid); + if (err) + goto unlock; ps->ports[port].bridge_dev = bridge; +unlock: + mutex_unlock(&ps->smi_mutex); - return 0; + return err; } int mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); + u16 fid; + int err; + + mutex_lock(&ps->smi_mutex); + + /* Give the port a fresh Filtering Information Database */ + err = _mv88e6xxx_fid_new(ds, &fid); + if (err) + goto unlock; + + err = _mv88e6xxx_port_fid_set(ds, port, fid); + if (err) + goto unlock; ps->ports[port].bridge_dev = NULL; +unlock: + mutex_unlock(&ps->smi_mutex); - return 0; + return err; } static int mv88e6xxx_setup_port_default_vlan(struct dsa_switch *ds, int port) |