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Commit afadc26b authored by Arkadi Sharshevsky's avatar Arkadi Sharshevsky Committed by David S. Miller
Browse files

mlxsw: spectrum: Add support for getting kvdl occupancy 



Add support for getting the kvdl occupancy through the resource interface.

Signed-off-by: default avatarArkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c0253a45

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

+9 −0
Original line number Diff line number Diff line
@@ -4055,12 +4055,21 @@ mlxsw_sp_resource_kvd_hash_double_size_validate(struct devlink *devlink, u64 siz 
	return 0;

}



static u64 mlxsw_sp_resource_kvd_linear_occ_get(struct devlink *devlink)

{

	struct mlxsw_core *mlxsw_core = devlink_priv(devlink);

	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);



	return mlxsw_sp_kvdl_occ_get(mlxsw_sp);

}



static struct devlink_resource_ops mlxsw_sp_resource_kvd_ops = {

	.size_validate = mlxsw_sp_resource_kvd_size_validate,

};



static struct devlink_resource_ops mlxsw_sp_resource_kvd_linear_ops = {

	.size_validate = mlxsw_sp_resource_kvd_linear_size_validate,

	.occ_get = mlxsw_sp_resource_kvd_linear_occ_get,

};



static struct devlink_resource_ops mlxsw_sp_resource_kvd_hash_single_ops = {

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

+1 −0
Original line number Diff line number Diff line
@@ -448,6 +448,7 @@ void mlxsw_sp_kvdl_free(struct mlxsw_sp *mlxsw_sp, int entry_index); 
int mlxsw_sp_kvdl_alloc_size_query(struct mlxsw_sp *mlxsw_sp,

				   unsigned int entry_count,

				   unsigned int *p_alloc_size);

u64 mlxsw_sp_kvdl_occ_get(const struct mlxsw_sp *mlxsw_sp);



struct mlxsw_sp_acl_rule_info {

	unsigned int priority;

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

+26 −0
Original line number Diff line number Diff line
@@ -286,6 +286,32 @@ static void mlxsw_sp_kvdl_parts_fini(struct mlxsw_sp *mlxsw_sp) 
		mlxsw_sp_kvdl_part_fini(mlxsw_sp, i);

}



u64 mlxsw_sp_kvdl_part_occ(struct mlxsw_sp_kvdl_part *part)

{

	unsigned int nr_entries;

	int bit = -1;

	u64 occ = 0;



	nr_entries = (part->info->end_index -

		      part->info->start_index + 1) /

		      part->info->alloc_size;

	while ((bit = find_next_bit(part->usage, nr_entries, bit + 1))

		< nr_entries)

		occ += part->info->alloc_size;

	return occ;

}



u64 mlxsw_sp_kvdl_occ_get(const struct mlxsw_sp *mlxsw_sp)

{

	struct mlxsw_sp_kvdl_part *part;

	u64 occ = 0;



	list_for_each_entry(part, &mlxsw_sp->kvdl->parts_list, list)

		occ += mlxsw_sp_kvdl_part_occ(part);



	return occ;

}



int mlxsw_sp_kvdl_init(struct mlxsw_sp *mlxsw_sp)

{

	struct mlxsw_sp_kvdl *kvdl;