UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

mlxsw: spectrum_router: Fix netevent notifier registration 

Currently the notifier is registered for every asic instance, however the
same block. Fix this by moving the registration to module init.

Fixes: c723c735fa ("mlxsw: spectrum_router: Periodically update the kernel's neigh table")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2016-09-01 10:37:43 +02:00 committed by David S. Miller
parent de7d62952b
commit e732263849
3 changed files with 13 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -56,6 +56,7 @@
#include <generated/utsrelease.h>
#include <net/pkt_cls.h>
#include <net/tc_act/tc_mirred.h>
#include <net/netevent.h>
#include "spectrum.h"
#include "core.h"
@ -4541,18 +4542,25 @@ static struct notifier_block mlxsw_sp_inetaddr_nb __read_mostly = {
.priority = 10, /* Must be called before FIB notifier block */
};
static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = {
.notifier_call = mlxsw_sp_router_netevent_event,
};
static int __init mlxsw_sp_module_init(void)
{
int err;
register_netdevice_notifier(&mlxsw_sp_netdevice_nb);
register_inetaddr_notifier(&mlxsw_sp_inetaddr_nb);
register_netevent_notifier(&mlxsw_sp_router_netevent_nb);
err = mlxsw_core_driver_register(&mlxsw_sp_driver);
if (err)
goto err_core_driver_register;
return 0;
err_core_driver_register:
unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb);
unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb);
unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb);
return err;
@ -4561,6 +4569,7 @@ err_core_driver_register:
static void __exit mlxsw_sp_module_exit(void)
{
mlxsw_core_driver_unregister(&mlxsw_sp_driver);
unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb);
unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb);
unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb);
}

2
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
View File

@ -587,6 +587,8 @@ int mlxsw_sp_router_neigh_construct(struct net_device *dev,
struct neighbour *n);
void mlxsw_sp_router_neigh_destroy(struct net_device *dev,
struct neighbour *n);
int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
unsigned long event, void *ptr);
int mlxsw_sp_kvdl_alloc(struct mlxsw_sp *mlxsw_sp, unsigned int entry_count);
void mlxsw_sp_kvdl_free(struct mlxsw_sp *mlxsw_sp, int entry_index);

17
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
View File

@ -944,8 +944,8 @@ static void mlxsw_sp_router_neigh_update_hw(struct work_struct *work)
mlxsw_sp_port_dev_put(mlxsw_sp_port);
}
static int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
unsigned long event, void *ptr)
int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
unsigned long event, void *ptr)
{
struct mlxsw_sp_neigh_entry *neigh_entry;
struct mlxsw_sp_port *mlxsw_sp_port;
@ -1015,10 +1015,6 @@ static int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
return NOTIFY_DONE;
}
static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = {
.notifier_call = mlxsw_sp_router_netevent_event,
};
static int mlxsw_sp_neigh_init(struct mlxsw_sp *mlxsw_sp)
{
int err;
@ -1033,10 +1029,6 @@ static int mlxsw_sp_neigh_init(struct mlxsw_sp *mlxsw_sp)
*/
mlxsw_sp_router_neighs_update_interval_init(mlxsw_sp);
err = register_netevent_notifier(&mlxsw_sp_router_netevent_nb);
if (err)
goto err_register_netevent_notifier;
/* Create the delayed works for the activity_update */
INIT_DELAYED_WORK(&mlxsw_sp->router.neighs_update.dw,
mlxsw_sp_router_neighs_update_work);
@ -1045,17 +1037,12 @@ static int mlxsw_sp_neigh_init(struct mlxsw_sp *mlxsw_sp)
mlxsw_core_schedule_dw(&mlxsw_sp->router.neighs_update.dw, 0);
mlxsw_core_schedule_dw(&mlxsw_sp->router.nexthop_probe_dw, 0);
return 0;
err_register_netevent_notifier:
rhashtable_destroy(&mlxsw_sp->router.neigh_ht);
return err;
}
static void mlxsw_sp_neigh_fini(struct mlxsw_sp *mlxsw_sp)
{
cancel_delayed_work_sync(&mlxsw_sp->router.neighs_update.dw);
cancel_delayed_work_sync(&mlxsw_sp->router.nexthop_probe_dw);
unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb);
rhashtable_destroy(&mlxsw_sp->router.neigh_ht);
}