diff options
Diffstat (limited to 'net/dsa/dsa2.c')
-rw-r--r-- | net/dsa/dsa2.c | 92 |
1 files changed, 49 insertions, 43 deletions
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index cac48a741f27..ed56c7a554b8 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -469,10 +469,16 @@ static int dsa_port_setup(struct dsa_port *dp) dsa_port_disable(dp); break; case DSA_PORT_TYPE_CPU: - err = dsa_port_link_register_of(dp); - if (err) - break; - dsa_port_link_registered = true; + if (dp->dn) { + err = dsa_shared_port_link_register_of(dp); + if (err) + break; + dsa_port_link_registered = true; + } else { + dev_warn(ds->dev, + "skipping link registration for CPU port %d\n", + dp->index); + } err = dsa_port_enable(dp, NULL); if (err) @@ -481,10 +487,16 @@ static int dsa_port_setup(struct dsa_port *dp) break; case DSA_PORT_TYPE_DSA: - err = dsa_port_link_register_of(dp); - if (err) - break; - dsa_port_link_registered = true; + if (dp->dn) { + err = dsa_shared_port_link_register_of(dp); + if (err) + break; + dsa_port_link_registered = true; + } else { + dev_warn(ds->dev, + "skipping link registration for DSA port %d\n", + dp->index); + } err = dsa_port_enable(dp, NULL); if (err) @@ -505,7 +517,7 @@ static int dsa_port_setup(struct dsa_port *dp) if (err && dsa_port_enabled) dsa_port_disable(dp); if (err && dsa_port_link_registered) - dsa_port_link_unregister_of(dp); + dsa_shared_port_link_unregister_of(dp); if (err) { if (ds->ops->port_teardown) ds->ops->port_teardown(ds, dp->index); @@ -577,11 +589,13 @@ static void dsa_port_teardown(struct dsa_port *dp) break; case DSA_PORT_TYPE_CPU: dsa_port_disable(dp); - dsa_port_link_unregister_of(dp); + if (dp->dn) + dsa_shared_port_link_unregister_of(dp); break; case DSA_PORT_TYPE_DSA: dsa_port_disable(dp); - dsa_port_link_unregister_of(dp); + if (dp->dn) + dsa_shared_port_link_unregister_of(dp); break; case DSA_PORT_TYPE_USER: if (dp->slave) { @@ -1046,26 +1060,24 @@ static int dsa_tree_setup_switches(struct dsa_switch_tree *dst) static int dsa_tree_setup_master(struct dsa_switch_tree *dst) { - struct dsa_port *dp; + struct dsa_port *cpu_dp; int err = 0; rtnl_lock(); - list_for_each_entry(dp, &dst->ports, list) { - if (dsa_port_is_cpu(dp)) { - struct net_device *master = dp->master; - bool admin_up = (master->flags & IFF_UP) && - !qdisc_tx_is_noop(master); + dsa_tree_for_each_cpu_port(cpu_dp, dst) { + struct net_device *master = cpu_dp->master; + bool admin_up = (master->flags & IFF_UP) && + !qdisc_tx_is_noop(master); - err = dsa_master_setup(master, dp); - if (err) - break; + err = dsa_master_setup(master, cpu_dp); + if (err) + break; - /* Replay master state event */ - dsa_tree_master_admin_state_change(dst, master, admin_up); - dsa_tree_master_oper_state_change(dst, master, - netif_oper_up(master)); - } + /* Replay master state event */ + dsa_tree_master_admin_state_change(dst, master, admin_up); + dsa_tree_master_oper_state_change(dst, master, + netif_oper_up(master)); } rtnl_unlock(); @@ -1075,22 +1087,20 @@ static int dsa_tree_setup_master(struct dsa_switch_tree *dst) static void dsa_tree_teardown_master(struct dsa_switch_tree *dst) { - struct dsa_port *dp; + struct dsa_port *cpu_dp; rtnl_lock(); - list_for_each_entry(dp, &dst->ports, list) { - if (dsa_port_is_cpu(dp)) { - struct net_device *master = dp->master; + dsa_tree_for_each_cpu_port(cpu_dp, dst) { + struct net_device *master = cpu_dp->master; - /* Synthesizing an "admin down" state is sufficient for - * the switches to get a notification if the master is - * currently up and running. - */ - dsa_tree_master_admin_state_change(dst, master, false); + /* Synthesizing an "admin down" state is sufficient for + * the switches to get a notification if the master is + * currently up and running. + */ + dsa_tree_master_admin_state_change(dst, master, false); - dsa_master_teardown(master); - } + dsa_master_teardown(master); } rtnl_unlock(); @@ -1238,7 +1248,6 @@ out_disconnect: * they would have formed disjoint trees (different "dsa,member" values). */ int dsa_tree_change_tag_proto(struct dsa_switch_tree *dst, - struct net_device *master, const struct dsa_device_ops *tag_ops, const struct dsa_device_ops *old_tag_ops) { @@ -1254,14 +1263,11 @@ int dsa_tree_change_tag_proto(struct dsa_switch_tree *dst, * attempts to change the tagging protocol. If we ever lift the IFF_UP * restriction, there needs to be another mutex which serializes this. */ - if (master->flags & IFF_UP) - goto out_unlock; - list_for_each_entry(dp, &dst->ports, list) { - if (!dsa_port_is_user(dp)) - continue; + if (dsa_port_is_cpu(dp) && (dp->master->flags & IFF_UP)) + goto out_unlock; - if (dp->slave->flags & IFF_UP) + if (dsa_port_is_user(dp) && (dp->slave->flags & IFF_UP)) goto out_unlock; } |