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path: root/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/trap.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/trap.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/trap.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/trap.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/trap.c
new file mode 100644
index 000000000000..046b64c2cec4
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/trap.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+
+#include "act.h"
+#include "en/tc_priv.h"
+
+static bool
+tc_act_can_offload_trap(struct mlx5e_tc_act_parse_state *parse_state,
+ const struct flow_action_entry *act,
+ int act_index)
+{
+ struct netlink_ext_ack *extack = parse_state->extack;
+
+ if (parse_state->num_actions != 1) {
+ NL_SET_ERR_MSG_MOD(extack, "action trap is supported as a sole action only");
+ return false;
+ }
+
+ return true;
+}
+
+static int
+tc_act_parse_trap(struct mlx5e_tc_act_parse_state *parse_state,
+ const struct flow_action_entry *act,
+ struct mlx5e_priv *priv,
+ struct mlx5_flow_attr *attr)
+{
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH;
+
+ return 0;
+}
+
+struct mlx5e_tc_act mlx5e_tc_act_trap = {
+ .can_offload = tc_act_can_offload_trap,
+ .parse_action = tc_act_parse_trap,
+};