diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c index 310c38247b5c..55f9d2d70f9e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c @@ -286,6 +286,32 @@ static void mlxsw_sp_kvdl_parts_fini(struct mlxsw_sp *mlxsw_sp) mlxsw_sp_kvdl_part_fini(mlxsw_sp, i); } +static 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; |