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authorParav Pandit <parav@mellanox.com>2020-07-20 14:10:16 +0300
committerSaeed Mahameed <saeedm@mellanox.com>2020-07-28 02:37:34 -0700
commit0da3c12dd6fc08e40802fc102b00a37b5b415eeb (patch)
treecc2ddb42b84c703b97b0a8d4f79c8d53f6a8416c
parentnet/mlx5: E-switch, Consider maximum vf vports for steering init (diff)
downloadwireguard-linux-0da3c12dd6fc08e40802fc102b00a37b5b415eeb.tar.xz
wireguard-linux-0da3c12dd6fc08e40802fc102b00a37b5b415eeb.zip
net/mlx5: E-switch, Reuse total_vports and avoid duplicate nvports
Total e-switch vports are already stored in mlx5_eswitch total_vports. Avoid copy of it in nvports and reuse existing total_vports calculation. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Roi Dayan <roid@mellanox.com> Reviewed-by: Bodong Wang <bodong@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch.h1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c13
2 files changed, 6 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index b68e02ad65e2..1f52b329e915 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -271,7 +271,6 @@ struct mlx5_eswitch {
struct mlx5_esw_offload offloads;
int mode;
- int nvports;
u16 manager_vport;
u16 first_host_vport;
struct mlx5_esw_functions esw_funcs;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index a21b00d6a37d..6097f9aac938 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -1132,7 +1132,7 @@ static void esw_set_flow_group_source_port(struct mlx5_eswitch *esw,
}
}
-static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw, int nvports)
+static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5_flow_table_attr ft_attr = {};
@@ -1165,7 +1165,7 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw, int nvports)
goto ns_err;
}
- table_size = nvports * MAX_SQ_NVPORTS + MAX_PF_SQ +
+ table_size = esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ +
MLX5_ESW_MISS_FLOWS + esw->total_vports;
/* create the slow path fdb with encap set, so further table instances
@@ -1202,7 +1202,7 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw, int nvports)
MLX5_SET_TO_ONES(fte_match_param, match_criteria, misc_parameters.source_sqn);
MLX5_SET_TO_ONES(fte_match_param, match_criteria, misc_parameters.source_port);
- ix = nvports * MAX_SQ_NVPORTS + MAX_PF_SQ;
+ ix = esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ;
MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, ix - 1);
@@ -1270,7 +1270,6 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw, int nvports)
if (err)
goto miss_rule_err;
- esw->nvports = nvports;
kvfree(flow_group_in);
return 0;
@@ -2005,7 +2004,7 @@ static int esw_offloads_steering_init(struct mlx5_eswitch *esw)
if (err)
goto create_restore_err;
- err = esw_create_offloads_fdb_tables(esw, total_vports);
+ err = esw_create_offloads_fdb_tables(esw);
if (err)
goto create_fdb_err;
@@ -2459,13 +2458,13 @@ int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink,
esw->offloads.encap = encap;
- err = esw_create_offloads_fdb_tables(esw, esw->nvports);
+ err = esw_create_offloads_fdb_tables(esw);
if (err) {
NL_SET_ERR_MSG_MOD(extack,
"Failed re-creating fast FDB table");
esw->offloads.encap = !encap;
- (void)esw_create_offloads_fdb_tables(esw, esw->nvports);
+ (void)esw_create_offloads_fdb_tables(esw);
}
unlock: