[PATCH] net/mlx5: add support for transport mode ESP ptype

[PATCH] net/mlx5: add support for transport mode ESP ptype

[Alexander Kozyrev]

Implement matching on RTE_PTYPE_L4_ESP and RTE_PTYPE_INNER_L4_ESP
for IP Encapsulating Security Payload (ESP) in transport mode.

Signed-off-by: Alexander Kozyrev <akozyrev@nvidia.com>
---
 drivers/net/mlx5/hws/mlx5dr_definer.c | 33 +++++++++++++++++++++++++++
 drivers/net/mlx5/hws/mlx5dr_definer.h |  2 ++
 2 files changed, 35 insertions(+)

diff --git a/drivers/net/mlx5/hws/mlx5dr_definer.c b/drivers/net/mlx5/hws/mlx5dr_definer.c
index 79d98bbf78..bf86627f49 100644
--- a/drivers/net/mlx5/hws/mlx5dr_definer.c
+++ b/drivers/net/mlx5/hws/mlx5dr_definer.c
@@ -345,6 +345,27 @@ mlx5dr_definer_ptype_l4_set(struct mlx5dr_definer_fc *fc,
 		(inner ? RTE_PTYPE_INNER_L4_MASK : RTE_PTYPE_L4_MASK);
 	uint8_t l4_type = STE_NO_L4;
 
+	if (packet_type == (inner ? RTE_PTYPE_INNER_L4_TCP : RTE_PTYPE_L4_TCP))
+		l4_type = STE_TCP;
+	else if (packet_type == (inner ? RTE_PTYPE_INNER_L4_UDP : RTE_PTYPE_L4_UDP))
+		l4_type = STE_UDP;
+	else if (packet_type == (inner ? RTE_PTYPE_INNER_L4_ESP : RTE_PTYPE_L4_ESP))
+		l4_type = STE_ESP;
+
+	DR_SET(tag, l4_type, fc->byte_off, fc->bit_off, fc->bit_mask);
+}
+
+static void
+mlx5dr_definer_ptype_l4_ext_set(struct mlx5dr_definer_fc *fc,
+				const void *item_spec,
+				uint8_t *tag)
+{
+	bool inner = (fc->fname == MLX5DR_DEFINER_FNAME_PTYPE_L4_EXT_I);
+	const struct rte_flow_item_ptype *v = item_spec;
+	uint32_t packet_type = v->packet_type &
+		(inner ? RTE_PTYPE_INNER_L4_MASK : RTE_PTYPE_L4_MASK);
+	uint8_t l4_type = STE_NO_L4;
+
 	if (packet_type == (inner ? RTE_PTYPE_INNER_L4_TCP : RTE_PTYPE_L4_TCP))
 		l4_type = STE_TCP;
 	else if (packet_type == (inner ? RTE_PTYPE_INNER_L4_UDP : RTE_PTYPE_L4_UDP))
@@ -1937,6 +1958,12 @@ mlx5dr_definer_conv_item_ptype(struct mlx5dr_definer_conv_data *cd,
 			fc->item_idx = item_idx;
 			fc->tag_set = &mlx5dr_definer_ptype_l4_set;
 			fc->tag_mask_set = &mlx5dr_definer_ones_set;
+			DR_CALC_SET(fc, eth_l2, l4_type_bwc, false);
+
+			fc = &cd->fc[DR_CALC_FNAME(PTYPE_L4_EXT, false)];
+			fc->item_idx = item_idx;
+			fc->tag_set = &mlx5dr_definer_ptype_l4_ext_set;
+			fc->tag_mask_set = &mlx5dr_definer_ones_set;
 			DR_CALC_SET(fc, eth_l2, l4_type, false);
 		}
 	}
@@ -1953,6 +1980,12 @@ mlx5dr_definer_conv_item_ptype(struct mlx5dr_definer_conv_data *cd,
 			fc->item_idx = item_idx;
 			fc->tag_set = &mlx5dr_definer_ptype_l4_set;
 			fc->tag_mask_set = &mlx5dr_definer_ones_set;
+			DR_CALC_SET(fc, eth_l2, l4_type_bwc, true);
+
+			fc = &cd->fc[DR_CALC_FNAME(PTYPE_L4_EXT, true)];
+			fc->item_idx = item_idx;
+			fc->tag_set = &mlx5dr_definer_ptype_l4_ext_set;
+			fc->tag_mask_set = &mlx5dr_definer_ones_set;
 			DR_CALC_SET(fc, eth_l2, l4_type, true);
 		}
 	}
diff --git a/drivers/net/mlx5/hws/mlx5dr_definer.h b/drivers/net/mlx5/hws/mlx5dr_definer.h
index ced9d9da13..5c809866b7 100644
--- a/drivers/net/mlx5/hws/mlx5dr_definer.h
+++ b/drivers/net/mlx5/hws/mlx5dr_definer.h
@@ -171,6 +171,8 @@ enum mlx5dr_definer_fname {
 	MLX5DR_DEFINER_FNAME_PTYPE_L3_I,
 	MLX5DR_DEFINER_FNAME_PTYPE_L4_O,
 	MLX5DR_DEFINER_FNAME_PTYPE_L4_I,
+	MLX5DR_DEFINER_FNAME_PTYPE_L4_EXT_O,
+	MLX5DR_DEFINER_FNAME_PTYPE_L4_EXT_I,
 	MLX5DR_DEFINER_FNAME_PTYPE_TUNNEL,
 	MLX5DR_DEFINER_FNAME_PTYPE_FRAG_O,
 	MLX5DR_DEFINER_FNAME_PTYPE_FRAG_I,
-- 
2.18.2