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Commit 98bbf70c authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

mlxsw: spectrum: add "acl_region_rehash_interval" devlink param 



Expose new driver-specific "acl_region_rehash_interval" devlink param
which would allow user to alter default ACL region rehash interval.

Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e5e7962e

Documentation/networking/devlink-params-mlxsw.txt

+8 −0
Original line number Diff line number Diff line 
fw_load_policy		[DEVICE, GENERIC]

			Configuration mode: driverinit



acl_region_rehash_interval	[DEVICE, DRIVER-SPECIFIC]

			Sets an interval for periodic ACL region rehashes.

			The value is in milliseconds, minimal value is "3000".

			Value "0" disables the periodic work.

			The first rehash will be run right after value is set.

			Type: u32

			Configuration mode: runtime

drivers/net/ethernet/mellanox/mlxsw/core.h

+5 −0
Original line number Diff line number Diff line
@@ -394,4 +394,9 @@ static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal) 


#endif



enum mlxsw_devlink_param_id {

	MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,

	MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,

};



#endif

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

+67 −2
Original line number Diff line number Diff line
@@ -4413,6 +4413,71 @@ static void mlxsw_sp_params_unregister(struct mlxsw_core *mlxsw_core) 
				  ARRAY_SIZE(mlxsw_sp_devlink_params));

}



static int

mlxsw_sp_params_acl_region_rehash_intrvl_get(struct devlink *devlink, u32 id,

					     struct devlink_param_gset_ctx *ctx)

{

	struct mlxsw_core *mlxsw_core = devlink_priv(devlink);

	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);



	ctx->val.vu32 = mlxsw_sp_acl_region_rehash_intrvl_get(mlxsw_sp);

	return 0;

}



static int

mlxsw_sp_params_acl_region_rehash_intrvl_set(struct devlink *devlink, u32 id,

					     struct devlink_param_gset_ctx *ctx)

{

	struct mlxsw_core *mlxsw_core = devlink_priv(devlink);

	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);



	return mlxsw_sp_acl_region_rehash_intrvl_set(mlxsw_sp, ctx->val.vu32);

}



static const struct devlink_param mlxsw_sp2_devlink_params[] = {

	DEVLINK_PARAM_DRIVER(MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,

			     "acl_region_rehash_interval",

			     DEVLINK_PARAM_TYPE_U32,

			     BIT(DEVLINK_PARAM_CMODE_RUNTIME),

			     mlxsw_sp_params_acl_region_rehash_intrvl_get,

			     mlxsw_sp_params_acl_region_rehash_intrvl_set,

			     NULL),

};



static int mlxsw_sp2_params_register(struct mlxsw_core *mlxsw_core)

{

	struct devlink *devlink = priv_to_devlink(mlxsw_core);

	union devlink_param_value value;

	int err;



	err = mlxsw_sp_params_register(mlxsw_core);

	if (err)

		return err;



	err = devlink_params_register(devlink, mlxsw_sp2_devlink_params,

				      ARRAY_SIZE(mlxsw_sp2_devlink_params));

	if (err)

		goto err_devlink_params_register;



	value.vu32 = 0;

	devlink_param_driverinit_value_set(devlink,

					   MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,

					   value);

	return 0;



err_devlink_params_register:

	mlxsw_sp_params_unregister(mlxsw_core);

	return err;

}



static void mlxsw_sp2_params_unregister(struct mlxsw_core *mlxsw_core)

{

	devlink_params_unregister(priv_to_devlink(mlxsw_core),

				  mlxsw_sp2_devlink_params,

				  ARRAY_SIZE(mlxsw_sp2_devlink_params));

	mlxsw_sp_params_unregister(mlxsw_core);

}



static struct mlxsw_driver mlxsw_sp1_driver = {

	.kind				= mlxsw_sp1_driver_name,

	.priv_size			= sizeof(struct mlxsw_sp),
@@ -4461,8 +4526,8 @@ static struct mlxsw_driver mlxsw_sp2_driver = { 
	.sb_occ_tc_port_bind_get	= mlxsw_sp_sb_occ_tc_port_bind_get,

	.txhdr_construct		= mlxsw_sp_txhdr_construct,

	.resources_register		= mlxsw_sp2_resources_register,

	.params_register		= mlxsw_sp_params_register,

	.params_unregister		= mlxsw_sp_params_unregister,

	.params_register		= mlxsw_sp2_params_register,

	.params_unregister		= mlxsw_sp2_params_unregister,

	.txhdr_len			= MLXSW_TXHDR_LEN,

	.profile			= &mlxsw_sp2_config_profile,

	.res_query_enabled		= true,

drivers/net/ethernet/mellanox/mlxsw/spectrum.h

+2 −0
Original line number Diff line number Diff line
@@ -690,6 +690,8 @@ struct mlxsw_sp_fid *mlxsw_sp_acl_dummy_fid(struct mlxsw_sp *mlxsw_sp); 


int mlxsw_sp_acl_init(struct mlxsw_sp *mlxsw_sp);

void mlxsw_sp_acl_fini(struct mlxsw_sp *mlxsw_sp);

u32 mlxsw_sp_acl_region_rehash_intrvl_get(struct mlxsw_sp *mlxsw_sp);

int mlxsw_sp_acl_region_rehash_intrvl_set(struct mlxsw_sp *mlxsw_sp, u32 val);



/* spectrum_acl_tcam.c */

struct mlxsw_sp_acl_tcam;

drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c

+16 −0
Original line number Diff line number Diff line
@@ -912,3 +912,19 @@ void mlxsw_sp_acl_fini(struct mlxsw_sp *mlxsw_sp) 
	mlxsw_afk_destroy(acl->afk);

	kfree(acl);

}



u32 mlxsw_sp_acl_region_rehash_intrvl_get(struct mlxsw_sp *mlxsw_sp)

{

	struct mlxsw_sp_acl *acl = mlxsw_sp->acl;



	return mlxsw_sp_acl_tcam_vregion_rehash_intrvl_get(mlxsw_sp,

							   &acl->tcam);

}



int mlxsw_sp_acl_region_rehash_intrvl_set(struct mlxsw_sp *mlxsw_sp, u32 val)

{

	struct mlxsw_sp_acl *acl = mlxsw_sp->acl;



	return mlxsw_sp_acl_tcam_vregion_rehash_intrvl_set(mlxsw_sp,

							   &acl->tcam, val);

}