net/mlx5e: Decouple TTC logic from mlx5e

Remove dependency in the mlx5e driver from the TTC implementation
by changing the TTC related functions to receive mlx5 generic arguments.
It allows to decouple TTC logic from mlx5e and reused by other parts of
mlx5 driver.

Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

1 files changed, 14 insertions, 12 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 300a37c83c17..afbd0caf31ae 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -345,7 +345,7 @@ struct mlx5e_hairpin {
 	int num_channels;
 	struct mlx5e_rqt indir_rqt;
 	struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS];
-	struct mlx5e_ttc_table ttc;
+	struct mlx5_ttc_table ttc;
 };
 
 struct mlx5e_hairpin_entry {
@@ -595,12 +595,16 @@ static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp,
 
 	memset(ttc_params, 0, sizeof(*ttc_params));
 
-	ttc_params->any_tt_tirn = mlx5e_tir_get_tirn(&hp->direct_tir);
-
-	for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++)
-		ttc_params->indir_tirn[tt] = mlx5e_tir_get_tirn(&hp->indir_tir[tt]);
+	ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev,
+						 MLX5_FLOW_NAMESPACE_KERNEL);
+	for (tt = 0; tt < MLX5_NUM_TT; tt++) {
+		ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR;
+		ttc_params->dests[tt].tir_num =
+			tt == MLX5_TT_ANY ?
+				mlx5e_tir_get_tirn(&hp->direct_tir) :
+				mlx5e_tir_get_tirn(&hp->indir_tir[tt]);
+	}
 
-	ft_attr->max_fte = MLX5_TTC_TABLE_SIZE;
 	ft_attr->level = MLX5E_TC_TTC_FT_LEVEL;
 	ft_attr->prio = MLX5E_TC_PRIO;
 }
@@ -620,12 +624,12 @@ static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp)
 		goto err_create_indirect_tirs;
 
 	mlx5e_hairpin_set_ttc_params(hp, &ttc_params);
-	err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc);
+	err = mlx5_create_ttc_table(priv->mdev, &ttc_params, &hp->ttc);
 	if (err)
 		goto err_create_ttc_table;
 
 	netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n",
-		   hp->num_channels, hp->ttc.ft.t->id);
+		   hp->num_channels, hp->ttc.t->id);
 
 	return 0;
 
@@ -639,9 +643,7 @@ err_create_indirect_tirs:
 
 static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp)
 {
-	struct mlx5e_priv *priv = hp->func_priv;
-
-	mlx5e_destroy_ttc_table(priv, &hp->ttc);
+	mlx5_destroy_ttc_table(&hp->ttc);
 	mlx5e_hairpin_destroy_indirect_tirs(hp);
 	mlx5e_rqt_destroy(&hp->indir_rqt);
 }
@@ -885,7 +887,7 @@ static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv,
 attach_flow:
 	if (hpe->hp->num_channels > 1) {
 		flow_flag_set(flow, HAIRPIN_RSS);
-		flow->attr->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t;
+		flow->attr->nic_attr->hairpin_ft = hpe->hp->ttc.t;
 	} else {
 		flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir);
 	}