From 74f7b3fa5cce18cd354fe3e7b7a890d3ecdd52a7 Mon Sep 17 00:00:00 2001 From: Ido Schimmel Date: Sun, 22 Oct 2017 23:11:50 +0200 Subject: [PATCH] mlxsw: spectrum: Add another partition to KVD linear The KVD linear is currently partitioned into two partitions. One for single entries and another for groups of 32 entries. Add another partition consisting of groups of 512 entries which will allow us to more accurately represent the nexthop weights in non-equal cost multi-path routing. Signed-off-by: Ido Schimmel Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- .../ethernet/mellanox/mlxsw/spectrum_kvdl.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c index 266b3af6513c0..310c38247b5c2 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c @@ -41,13 +41,22 @@ #define MLXSW_SP_KVDL_SINGLE_SIZE 16384 #define MLXSW_SP_KVDL_SINGLE_END \ (MLXSW_SP_KVDL_SINGLE_SIZE + MLXSW_SP_KVDL_SINGLE_BASE - 1) + #define MLXSW_SP_KVDL_CHUNKS_BASE \ (MLXSW_SP_KVDL_SINGLE_BASE + MLXSW_SP_KVDL_SINGLE_SIZE) -#define MLXSW_SP_KVDL_CHUNKS_SIZE \ - (MLXSW_SP_KVD_LINEAR_SIZE - MLXSW_SP_KVDL_CHUNKS_BASE) +#define MLXSW_SP_KVDL_CHUNKS_SIZE 49152 #define MLXSW_SP_KVDL_CHUNKS_END \ (MLXSW_SP_KVDL_CHUNKS_SIZE + MLXSW_SP_KVDL_CHUNKS_BASE - 1) + +#define MLXSW_SP_KVDL_LARGE_CHUNKS_BASE \ + (MLXSW_SP_KVDL_CHUNKS_BASE + MLXSW_SP_KVDL_CHUNKS_SIZE) +#define MLXSW_SP_KVDL_LARGE_CHUNKS_SIZE \ + (MLXSW_SP_KVD_LINEAR_SIZE - MLXSW_SP_KVDL_LARGE_CHUNKS_BASE) +#define MLXSW_SP_KVDL_LARGE_CHUNKS_END \ + (MLXSW_SP_KVDL_LARGE_CHUNKS_SIZE + MLXSW_SP_KVDL_LARGE_CHUNKS_BASE - 1) + #define MLXSW_SP_CHUNK_MAX 32 +#define MLXSW_SP_LARGE_CHUNK_MAX 512 struct mlxsw_sp_kvdl_part_info { unsigned int part_index; @@ -192,6 +201,12 @@ static const struct mlxsw_sp_kvdl_part_info kvdl_parts_info[] = { .end_index = MLXSW_SP_KVDL_CHUNKS_END, .alloc_size = MLXSW_SP_CHUNK_MAX, }, + { + .part_index = 2, + .start_index = MLXSW_SP_KVDL_LARGE_CHUNKS_BASE, + .end_index = MLXSW_SP_KVDL_LARGE_CHUNKS_END, + .alloc_size = MLXSW_SP_LARGE_CHUNK_MAX, + }, }; static struct mlxsw_sp_kvdl_part * -- 2.39.5