diff mbox series

[net-next,2/6] mlxsw: spectrum_router: Embed netevent notifier block in router struct

Message ID 20171102161410.12171-3-jiri@resnulli.us
State Accepted, archived
Delegated to: David Miller
Headers show
Series mlxsw: Align multipath hash parameters with kernel's | expand

Commit Message

Jiri Pirko Nov. 2, 2017, 4:14 p.m. UTC 
From: Ido Schimmel <idosch@mellanox.com>

We are going to need to respond to netevents notifying us about
multipath hash updates by configuring the device's hash parameters.

Embed the netevent notifier in the router struct so that we could
retrieve it upon notifications and use it to configure the device.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum.c        |  7 -------
 drivers/net/ethernet/mellanox/mlxsw/spectrum.h        |  2 --
 drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 14 ++++++++++++--
 3 files changed, 12 insertions(+), 11 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 3f4be95..52f38b4 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -4574,10 +4574,6 @@  static struct notifier_block mlxsw_sp_inet6addr_nb __read_mostly = {
 	.notifier_call = mlxsw_sp_inet6addr_event,
 };
 
-static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = {
-	.notifier_call = mlxsw_sp_router_netevent_event,
-};
-
 static const struct pci_device_id mlxsw_sp_pci_id_table[] = {
 	{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0},
 	{0, },
@@ -4596,7 +4592,6 @@  static int __init mlxsw_sp_module_init(void)
 	register_inetaddr_notifier(&mlxsw_sp_inetaddr_nb);
 	register_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
 	register_inet6addr_notifier(&mlxsw_sp_inet6addr_nb);
-	register_netevent_notifier(&mlxsw_sp_router_netevent_nb);
 
 	err = mlxsw_core_driver_register(&mlxsw_sp_driver);
 	if (err)
@@ -4611,7 +4606,6 @@  static int __init mlxsw_sp_module_init(void)
 err_pci_driver_register:
 	mlxsw_core_driver_unregister(&mlxsw_sp_driver);
 err_core_driver_register:
-	unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb);
 	unregister_inet6addr_notifier(&mlxsw_sp_inet6addr_nb);
 	unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
 	unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb);
@@ -4623,7 +4617,6 @@  static void __exit mlxsw_sp_module_exit(void)
 {
 	mlxsw_pci_driver_unregister(&mlxsw_sp_pci_driver);
 	mlxsw_core_driver_unregister(&mlxsw_sp_driver);
-	unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb);
 	unregister_inet6addr_notifier(&mlxsw_sp_inet6addr_nb);
 	unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
 	unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index aa0cefb..b2393bb8 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -385,8 +385,6 @@  static inline void mlxsw_sp_port_dcb_fini(struct mlxsw_sp_port *mlxsw_sp_port)
 /* spectrum_router.c */
 int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp);
 void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp);
-int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
-				   unsigned long event, void *ptr);
 int mlxsw_sp_netdevice_router_port_event(struct net_device *dev);
 int mlxsw_sp_inetaddr_event(struct notifier_block *unused,
 			    unsigned long event, void *ptr);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 9fe4cdb..d49c1c9 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -96,6 +96,7 @@  struct mlxsw_sp_router {
 	struct list_head ipip_list;
 	bool aborted;
 	struct notifier_block fib_nb;
+	struct notifier_block netevent_nb;
 	const struct mlxsw_sp_rif_ops **rif_ops_arr;
 	const struct mlxsw_sp_ipip_ops **ipip_ops_arr;
 };
@@ -2076,8 +2077,8 @@  static void mlxsw_sp_router_neigh_event_work(struct work_struct *work)
 	kfree(neigh_work);
 }
 
-int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
-				   unsigned long event, void *ptr)
+static int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
+					  unsigned long event, void *ptr)
 {
 	struct mlxsw_sp_neigh_event_work *neigh_work;
 	struct mlxsw_sp_port *mlxsw_sp_port;
@@ -6720,6 +6721,12 @@  int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp)
 	if (err)
 		goto err_neigh_init;
 
+	mlxsw_sp->router->netevent_nb.notifier_call =
+		mlxsw_sp_router_netevent_event;
+	err = register_netevent_notifier(&mlxsw_sp->router->netevent_nb);
+	if (err)
+		goto err_register_netevent_notifier;
+
 	mlxsw_sp->router->fib_nb.notifier_call = mlxsw_sp_router_fib_event;
 	err = register_fib_notifier(&mlxsw_sp->router->fib_nb,
 				    mlxsw_sp_router_fib_dump_flush);
@@ -6729,6 +6736,8 @@  int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp)
 	return 0;
 
 err_register_fib_notifier:
+	unregister_netevent_notifier(&mlxsw_sp->router->netevent_nb);
+err_register_netevent_notifier:
 	mlxsw_sp_neigh_fini(mlxsw_sp);
 err_neigh_init:
 	mlxsw_sp_vrs_fini(mlxsw_sp);
@@ -6754,6 +6763,7 @@  int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp)
 void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp)
 {
 	unregister_fib_notifier(&mlxsw_sp->router->fib_nb);
+	unregister_netevent_notifier(&mlxsw_sp->router->netevent_nb);
 	mlxsw_sp_neigh_fini(mlxsw_sp);
 	mlxsw_sp_vrs_fini(mlxsw_sp);
 	mlxsw_sp_mr_fini(mlxsw_sp);