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net/mlx5: Define fdb tc levels per prio

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Define FDB_TC_LEVELS_PER_PRIO instead of magic number 2.
This is the number of levels used by each tc prio table in the fdb.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Paul Blakey 2019-11-12 00:34:26 +01:00 committed by Saeed Mahameed
parent 2cf2954bd7
commit 4db7b98e94
2 changed files with 6 additions and 4 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
View File

@ -46,6 +46,7 @@
#define FDB_TC_MAX_CHAIN 3
#define FDB_TC_SLOW_PATH_CHAIN (FDB_TC_MAX_CHAIN + 1)
#define FDB_TC_MAX_PRIO 16
#define FDB_TC_LEVELS_PER_PRIO 2
#ifdef CONFIG_MLX5_ESWITCH
@ -146,7 +147,6 @@ enum offloads_fdb_flags {
extern const unsigned int ESW_POOLS[4];
#define PRIO_LEVELS 2
struct mlx5_eswitch_fdb {
union {
struct legacy_fdb {
@ -173,7 +173,7 @@ struct mlx5_eswitch_fdb {
struct {
struct mlx5_flow_table *fdb;
u32 num_rules;
} fdb_prio[FDB_TC_MAX_CHAIN + 1][FDB_TC_MAX_PRIO + 1][PRIO_LEVELS];
} fdb_prio[FDB_TC_MAX_CHAIN + 1][FDB_TC_MAX_PRIO + 1][FDB_TC_LEVELS_PER_PRIO];
/* Protects fdb_prio table */
struct mutex fdb_prio_lock;

6
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
View File

@ -2576,7 +2576,8 @@ static int init_fdb_root_ns(struct mlx5_flow_steering *steering)
goto out_err;
}
levels = 2 * FDB_TC_MAX_PRIO * (FDB_TC_MAX_CHAIN + 1);
levels = FDB_TC_LEVELS_PER_PRIO *
FDB_TC_MAX_PRIO * (FDB_TC_MAX_CHAIN + 1);
maj_prio = fs_create_prio_chained(&steering->fdb_root_ns->ns,
FDB_FAST_PATH,
levels);
@ -2593,7 +2594,8 @@ static int init_fdb_root_ns(struct mlx5_flow_steering *steering)
}
for (prio = 0; prio < FDB_TC_MAX_PRIO * (chain + 1); prio++) {
min_prio = fs_create_prio(ns, prio, 2);
min_prio = fs_create_prio(ns, prio,
FDB_TC_LEVELS_PER_PRIO);
if (IS_ERR(min_prio)) {
err = PTR_ERR(min_prio);
goto out_err;