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mlxsw: spectrum_router: Update multipath hash parameters upon netevents

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Make sure the device and the kernel are performing the multipath hash
according to the same parameters by updating the device whenever the
relevant netevent is generated.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2017-11-02 17:14:10 +01:00 committed by David S. Miller
parent af658b6a0e
commit 28678f07f1
1 changed files with 30 additions and 1 deletions
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31
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
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@ -2078,15 +2078,29 @@ static void mlxsw_sp_router_neigh_event_work(struct work_struct *work)
kfree(net_work);
}
static int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
static int mlxsw_sp_mp_hash_init(struct mlxsw_sp *mlxsw_sp);
static void mlxsw_sp_router_mp_hash_event_work(struct work_struct *work)
{
struct mlxsw_sp_netevent_work *net_work =
container_of(work, struct mlxsw_sp_netevent_work, work);
struct mlxsw_sp *mlxsw_sp = net_work->mlxsw_sp;
mlxsw_sp_mp_hash_init(mlxsw_sp);
kfree(net_work);
}
static int mlxsw_sp_router_netevent_event(struct notifier_block *nb,
unsigned long event, void *ptr)
{
struct mlxsw_sp_netevent_work *net_work;
struct mlxsw_sp_port *mlxsw_sp_port;
struct mlxsw_sp_router *router;
struct mlxsw_sp *mlxsw_sp;
unsigned long interval;
struct neigh_parms *p;
struct neighbour *n;
struct net *net;
switch (event) {
case NETEVENT_DELAY_PROBE_TIME_UPDATE:
@ -2138,6 +2152,21 @@ static int mlxsw_sp_router_netevent_event(struct notifier_block *unused,
mlxsw_core_schedule_work(&net_work->work);
mlxsw_sp_port_dev_put(mlxsw_sp_port);
break;
case NETEVENT_MULTIPATH_HASH_UPDATE:
net = ptr;
if (!net_eq(net, &init_net))
return NOTIFY_DONE;
net_work = kzalloc(sizeof(*net_work), GFP_ATOMIC);
if (!net_work)
return NOTIFY_BAD;
router = container_of(nb, struct mlxsw_sp_router, netevent_nb);
INIT_WORK(&net_work->work, mlxsw_sp_router_mp_hash_event_work);
net_work->mlxsw_sp = router->mlxsw_sp;
mlxsw_core_schedule_work(&net_work->work);
break;
}
return NOTIFY_DONE;