Thread (94 messages) 94 messages, 4 authors, 2018-11-04
STALE2774d REVIEWED: 1 (0M)

[PATCH v5 2/4] net/mlx5: add Direct Verbs encap and decap defs

From: Dekel Peled <hidden>
Date: 2018-10-11 12:13:05
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

This patch adds the required definitions for DV encap/decap actions.
It also adds usage of the new actions definition in validation
function of existing drop operation.

Signed-off-by: Dekel Peled <redacted>
Acked-by: Yongseok Koh <redacted>
---
 drivers/net/mlx5/mlx5_flow.c | 8 ++++++++
 drivers/net/mlx5/mlx5_flow.h | 6 ++++++
 2 files changed, 14 insertions(+)
diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 1087f67..b452e11 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -766,6 +766,14 @@ uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
 					  RTE_FLOW_ERROR_TYPE_ACTION, NULL,
 					  "can't have 2 fate actions in"
 					  " same flow");
+	if (action_flags & (MLX5_FLOW_ACTION_TUNNEL_DECAP |
+			    MLX5_FLOW_ACTION_TUNNEL_DECAP_L3 |
+			    MLX5_FLOW_ACTION_TUNNEL_ENCAP |
+			    MLX5_FLOW_ACTION_TUNNEL_ENCAP_L3))
+		return rte_flow_error_set(error, EINVAL,
+					  RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+					  "can't encap or decap and drop in"
+					  " same flow");
 	if (attr->egress)
 		return rte_flow_error_set(error, ENOTSUP,
 					  RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h
index 690c597..01c73a2 100644
--- a/drivers/net/mlx5/mlx5_flow.h
+++ b/drivers/net/mlx5/mlx5_flow.h
@@ -82,6 +82,10 @@
 #define MLX5_FLOW_ACTION_OF_SET_VLAN_VID (1u << 9)
 #define MLX5_FLOW_ACTION_OF_SET_VLAN_PCP (1u << 10)
 #define MLX5_FLOW_ACTION_JUMP (1u << 11)
+#define MLX5_FLOW_ACTION_TUNNEL_ENCAP (1u << 12)
+#define MLX5_FLOW_ACTION_TUNNEL_DECAP (1u << 13)
+#define MLX5_FLOW_ACTION_TUNNEL_ENCAP_L3 (1u << 14)
+#define MLX5_FLOW_ACTION_TUNNEL_DECAP_L3 (1u << 15)
 
 #define MLX5_FLOW_FATE_ACTIONS \
 	(MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_QUEUE | MLX5_FLOW_ACTION_RSS)
@@ -172,6 +176,8 @@ struct mlx5_flow_dv {
 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
 	struct mlx5dv_flow_action_attr actions[MLX5_DV_MAX_NUMBER_OF_ACTIONS];
 	/**< Action list. */
+	struct ibv_flow_action *encap_verb; /**< Verbs object of encap. */
+	struct ibv_flow_action *decap_verb; /**< Verbs object of decap. */
 #endif
 	int actions_n; /**< number of actions. */
 };
-- 
1.8.3.1
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