diff options
| author | Petr Machata <petrm@nvidia.com> | 2023-06-02 18:20:07 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-06-05 11:29:48 +0100 |
| commit | 3903249ee1afb9aa06d77e2c39c4be2d3df25e0e (patch) | |
| tree | c6b6bd8c95fefea638c2531e5d4b22752444cea3 /drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | |
| parent | 5afef6748c19032ef9953b0b97f75fd0593178f3 (diff) | |
mlxsw: spectrum_router: Do not query MAX_RIFS on each iteration
MLXSW_CORE_RES_GET involves a call to spectrum_core, a separate module.
Instead of making the call on every iteration, cache it up front, and use
the value.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 20ece1b49175..f88b0197a6ac 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -7699,9 +7699,10 @@ static struct mlxsw_sp_rif * mlxsw_sp_rif_find_by_dev(const struct mlxsw_sp *mlxsw_sp, const struct net_device *dev) { + int max_rifs = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); int i; - for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) + for (i = 0; i < max_rifs; i++) if (mlxsw_sp->router->rifs[i] && mlxsw_sp->router->rifs[i]->dev == dev) return mlxsw_sp->router->rifs[i]; @@ -10041,11 +10042,12 @@ err_rifs_table_init: static void mlxsw_sp_rifs_fini(struct mlxsw_sp *mlxsw_sp) { + int max_rifs = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); int i; WARN_ON_ONCE(atomic_read(&mlxsw_sp->router->rifs_count)); - for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) + for (i = 0; i < max_rifs; i++) WARN_ON_ONCE(mlxsw_sp->router->rifs[i]); devl_resource_occ_get_unregister(devlink, MLXSW_SP_RESOURCE_RIFS); |