net: dsa: add VLAN notifier
Add two new DSA_NOTIFIER_VLAN_ADD and DSA_NOTIFIER_VLAN_DEL events to notify not only a single switch, but all switches of a the fabric when an VLAN entry is added or removed. For the moment, keep the current behavior and ignore other switches. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -24,6 +24,8 @@ enum {
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DSA_NOTIFIER_FDB_DEL,
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DSA_NOTIFIER_MDB_ADD,
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DSA_NOTIFIER_MDB_DEL,
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DSA_NOTIFIER_VLAN_ADD,
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DSA_NOTIFIER_VLAN_DEL,
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};
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/* DSA_NOTIFIER_AGEING_TIME */
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@ -56,6 +58,14 @@ struct dsa_notifier_mdb_info {
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int port;
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};
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/* DSA_NOTIFIER_VLAN_* */
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struct dsa_notifier_vlan_info {
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const struct switchdev_obj_port_vlan *vlan;
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struct switchdev_trans *trans;
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int sw_index;
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int port;
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};
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struct dsa_device_ops {
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struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev);
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struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev,
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@ -225,29 +225,26 @@ int dsa_port_vlan_add(struct dsa_port *dp,
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const struct switchdev_obj_port_vlan *vlan,
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struct switchdev_trans *trans)
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{
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struct dsa_switch *ds = dp->ds;
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struct dsa_notifier_vlan_info info = {
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.sw_index = dp->ds->index,
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.port = dp->index,
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.trans = trans,
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.vlan = vlan,
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};
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if (switchdev_trans_ph_prepare(trans)) {
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if (!ds->ops->port_vlan_prepare || !ds->ops->port_vlan_add)
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return -EOPNOTSUPP;
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return ds->ops->port_vlan_prepare(ds, dp->index, vlan, trans);
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}
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ds->ops->port_vlan_add(ds, dp->index, vlan, trans);
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return 0;
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return dsa_port_notify(dp, DSA_NOTIFIER_VLAN_ADD, &info);
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}
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int dsa_port_vlan_del(struct dsa_port *dp,
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const struct switchdev_obj_port_vlan *vlan)
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{
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struct dsa_switch *ds = dp->ds;
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struct dsa_notifier_vlan_info info = {
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.sw_index = dp->ds->index,
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.port = dp->index,
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.vlan = vlan,
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};
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if (!ds->ops->port_vlan_del)
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return -EOPNOTSUPP;
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return ds->ops->port_vlan_del(ds, dp->index, vlan);
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return dsa_port_notify(dp, DSA_NOTIFIER_VLAN_DEL, &info);
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}
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int dsa_port_vlan_dump(struct dsa_port *dp,
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@ -158,6 +158,43 @@ static int dsa_switch_mdb_del(struct dsa_switch *ds,
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return ds->ops->port_mdb_del(ds, info->port, mdb);
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}
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static int dsa_switch_vlan_add(struct dsa_switch *ds,
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struct dsa_notifier_vlan_info *info)
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{
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const struct switchdev_obj_port_vlan *vlan = info->vlan;
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struct switchdev_trans *trans = info->trans;
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/* Do not care yet about other switch chips of the fabric */
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if (ds->index != info->sw_index)
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return 0;
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if (switchdev_trans_ph_prepare(trans)) {
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if (!ds->ops->port_vlan_prepare || !ds->ops->port_vlan_add)
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return -EOPNOTSUPP;
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return ds->ops->port_vlan_prepare(ds, info->port, vlan, trans);
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}
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ds->ops->port_vlan_add(ds, info->port, vlan, trans);
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return 0;
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}
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static int dsa_switch_vlan_del(struct dsa_switch *ds,
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struct dsa_notifier_vlan_info *info)
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{
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const struct switchdev_obj_port_vlan *vlan = info->vlan;
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/* Do not care yet about other switch chips of the fabric */
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if (ds->index != info->sw_index)
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return 0;
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if (!ds->ops->port_vlan_del)
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return -EOPNOTSUPP;
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return ds->ops->port_vlan_del(ds, info->port, vlan);
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}
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static int dsa_switch_event(struct notifier_block *nb,
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unsigned long event, void *info)
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{
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@ -186,6 +223,12 @@ static int dsa_switch_event(struct notifier_block *nb,
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case DSA_NOTIFIER_MDB_DEL:
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err = dsa_switch_mdb_del(ds, info);
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break;
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case DSA_NOTIFIER_VLAN_ADD:
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err = dsa_switch_vlan_add(ds, info);
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break;
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case DSA_NOTIFIER_VLAN_DEL:
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err = dsa_switch_vlan_del(ds, info);
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break;
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default:
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err = -EOPNOTSUPP;
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break;
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