Commit 6685987c authored by Petr Machata's avatar Petr Machata Committed by David S. Miller

switchdev: Add extack argument to call_switchdev_notifiers()

A follow-up patch will enable vetoing of FDB entries. Make it possible
to communicate details of why an FDB entry is not acceptable back to the
user.
Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4c59b7d1
......@@ -196,7 +196,7 @@ The switch device will learn/forget source MAC address/VLAN on ingress packets
and notify the switch driver of the mac/vlan/port tuples. The switch driver,
in turn, will notify the bridge driver using the switchdev notifier call:
err = call_switchdev_notifiers(val, dev, info);
err = call_switchdev_notifiers(val, dev, info, extack);
Where val is SWITCHDEV_FDB_ADD when learning and SWITCHDEV_FDB_DEL when
forgetting, and info points to a struct switchdev_notifier_fdb_info. On
......
......@@ -7294,7 +7294,8 @@ static void mlxsw_sp_rif_vlan_fdb_del(struct mlxsw_sp_rif *rif, const char *mac)
info.addr = mac;
info.vid = vid;
call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_BRIDGE, dev, &info.info);
call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_BRIDGE, dev, &info.info,
NULL);
}
static const struct mlxsw_sp_rif_ops mlxsw_sp_rif_vlan_ops = {
......@@ -7381,7 +7382,8 @@ static void mlxsw_sp_rif_fid_fdb_del(struct mlxsw_sp_rif *rif, const char *mac)
info.addr = mac;
info.vid = 0;
call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_BRIDGE, dev, &info.info);
call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_BRIDGE, dev, &info.info,
NULL);
}
static const struct mlxsw_sp_rif_ops mlxsw_sp_rif_fid_ops = {
......
......@@ -2443,7 +2443,7 @@ static void mlxsw_sp_fdb_vxlan_call_notifiers(struct net_device *dev,
ether_addr_copy(info.eth_addr, mac);
info.vni = vni;
info.offloaded = adding;
call_switchdev_notifiers(type, dev, &info.info);
call_switchdev_notifiers(type, dev, &info.info, NULL);
}
static void mlxsw_sp_fdb_nve_call_notifiers(struct net_device *dev,
......@@ -2468,7 +2468,7 @@ mlxsw_sp_fdb_call_notifiers(enum switchdev_notifier_type type,
info.addr = mac;
info.vid = vid;
info.offloaded = offloaded;
call_switchdev_notifiers(type, dev, &info.info);
call_switchdev_notifiers(type, dev, &info.info, NULL);
}
static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp,
......@@ -2819,7 +2819,7 @@ mlxsw_sp_switchdev_bridge_vxlan_fdb_event(struct mlxsw_sp *mlxsw_sp,
return;
vxlan_fdb_info.offloaded = true;
call_switchdev_notifiers(SWITCHDEV_VXLAN_FDB_OFFLOADED, dev,
&vxlan_fdb_info.info);
&vxlan_fdb_info.info, NULL);
mlxsw_sp_fdb_call_notifiers(SWITCHDEV_FDB_OFFLOADED,
vxlan_fdb_info.eth_addr,
fdb_info->vid, dev, true);
......@@ -2832,7 +2832,7 @@ mlxsw_sp_switchdev_bridge_vxlan_fdb_event(struct mlxsw_sp *mlxsw_sp,
false);
vxlan_fdb_info.offloaded = false;
call_switchdev_notifiers(SWITCHDEV_VXLAN_FDB_OFFLOADED, dev,
&vxlan_fdb_info.info);
&vxlan_fdb_info.info, NULL);
break;
}
}
......@@ -2977,7 +2977,7 @@ mlxsw_sp_switchdev_vxlan_fdb_add(struct mlxsw_sp *mlxsw_sp,
}
vxlan_fdb_info->offloaded = true;
call_switchdev_notifiers(SWITCHDEV_VXLAN_FDB_OFFLOADED, dev,
&vxlan_fdb_info->info);
&vxlan_fdb_info->info, NULL);
mlxsw_sp_fid_put(fid);
return;
}
......@@ -2998,7 +2998,7 @@ mlxsw_sp_switchdev_vxlan_fdb_add(struct mlxsw_sp *mlxsw_sp,
goto err_fdb_tunnel_uc_op;
vxlan_fdb_info->offloaded = true;
call_switchdev_notifiers(SWITCHDEV_VXLAN_FDB_OFFLOADED, dev,
&vxlan_fdb_info->info);
&vxlan_fdb_info->info, NULL);
mlxsw_sp_fdb_call_notifiers(SWITCHDEV_FDB_OFFLOADED,
vxlan_fdb_info->eth_addr, vid, dev, true);
......
......@@ -2725,7 +2725,7 @@ rocker_fdb_offload_notify(struct rocker_port *rocker_port,
info.vid = recv_info->vid;
info.offloaded = true;
call_switchdev_notifiers(SWITCHDEV_FDB_OFFLOADED,
rocker_port->dev, &info.info);
rocker_port->dev, &info.info, NULL);
}
static void rocker_switchdev_event_work(struct work_struct *work)
......
......@@ -1833,10 +1833,10 @@ static void ofdpa_port_fdb_learn_work(struct work_struct *work)
rtnl_lock();
if (learned && removing)
call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_BRIDGE,
lw->ofdpa_port->dev, &info.info);
lw->ofdpa_port->dev, &info.info, NULL);
else if (learned && !removing)
call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_BRIDGE,
lw->ofdpa_port->dev, &info.info);
lw->ofdpa_port->dev, &info.info, NULL);
rtnl_unlock();
kfree(work);
......
......@@ -393,7 +393,7 @@ static int vxlan_fdb_switchdev_call_notifiers(struct vxlan_dev *vxlan,
: SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE;
vxlan_fdb_switchdev_notifier_info(vxlan, fdb, rd, NULL, &info);
ret = call_switchdev_notifiers(notifier_type, vxlan->dev,
&info.info);
&info.info, extack);
return notifier_to_errno(ret);
}
......
......@@ -195,7 +195,8 @@ int switchdev_port_obj_del(struct net_device *dev,
int register_switchdev_notifier(struct notifier_block *nb);
int unregister_switchdev_notifier(struct notifier_block *nb);
int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
struct switchdev_notifier_info *info);
struct switchdev_notifier_info *info,
struct netlink_ext_ack *extack);
int register_switchdev_blocking_notifier(struct notifier_block *nb);
int unregister_switchdev_blocking_notifier(struct notifier_block *nb);
......@@ -267,7 +268,8 @@ static inline int unregister_switchdev_notifier(struct notifier_block *nb)
static inline int call_switchdev_notifiers(unsigned long val,
struct net_device *dev,
struct switchdev_notifier_info *info)
struct switchdev_notifier_info *info,
struct netlink_ext_ack *extack)
{
return NOTIFY_DONE;
}
......
......@@ -113,7 +113,7 @@ br_switchdev_fdb_call_notifiers(bool adding, const unsigned char *mac,
info.added_by_user = added_by_user;
info.offloaded = offloaded;
notifier_type = adding ? SWITCHDEV_FDB_ADD_TO_DEVICE : SWITCHDEV_FDB_DEL_TO_DEVICE;
call_switchdev_notifiers(notifier_type, dev, &info.info);
call_switchdev_notifiers(notifier_type, dev, &info.info, NULL);
}
void
......
......@@ -1451,7 +1451,7 @@ static void dsa_slave_switchdev_event_work(struct work_struct *work)
}
fdb_info->offloaded = true;
call_switchdev_notifiers(SWITCHDEV_FDB_OFFLOADED, dev,
&fdb_info->info);
&fdb_info->info, NULL);
break;
case SWITCHDEV_FDB_DEL_TO_DEVICE:
......
......@@ -556,10 +556,11 @@ EXPORT_SYMBOL_GPL(unregister_switchdev_notifier);
* Call all network notifier blocks.
*/
int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
struct switchdev_notifier_info *info)
struct switchdev_notifier_info *info,
struct netlink_ext_ack *extack)
{
info->dev = dev;
info->extack = NULL;
info->extack = extack;
return atomic_notifier_call_chain(&switchdev_notif_chain, val, info);
}
EXPORT_SYMBOL_GPL(call_switchdev_notifiers);
......
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