[PATCH 04/10] net/enetc: support ESP packet type in packet parsing

[Gagandeep Singh]

Add ESP (Encapsulating Security Payload) packet type definitions and
handling to the RX packet parsing path. Also update the supported
ptypes array to advertise ESP tunnel type support.

Signed-off-by: Gagandeep Singh <g.singh at nxp.com>
---
 drivers/net/enetc/base/enetc_hw.h |  4 ++++
 drivers/net/enetc/enetc_ethdev.c  |  4 +++-
 drivers/net/enetc/enetc_rxtx.c    | 10 ++++++++++
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/net/enetc/base/enetc_hw.h b/drivers/net/enetc/base/enetc_hw.h
index 19efadd..f79c950 100644
--- a/drivers/net/enetc/base/enetc_hw.h
+++ b/drivers/net/enetc/base/enetc_hw.h
@@ -226,6 +226,10 @@ enum enetc_bdr_type {TX, RX};
 			(0x0003 | ENETC_PKT_TYPE_IPV4)
 #define ENETC_PKT_TYPE_IPV6_ICMP \
 			(0x0003 | ENETC_PKT_TYPE_IPV6)
+#define ENETC_PKT_TYPE_IPV4_ESP \
+			(0x0005 | ENETC_PKT_TYPE_IPV4)
+#define ENETC_PKT_TYPE_IPV6_ESP \
+			(0x0005 | ENETC_PKT_TYPE_IPV6)
 
 /* PCI device info */
 struct enetc_hw {
diff --git a/drivers/net/enetc/enetc_ethdev.c b/drivers/net/enetc/enetc_ethdev.c
index f41f3c1..407179f 100644
--- a/drivers/net/enetc/enetc_ethdev.c
+++ b/drivers/net/enetc/enetc_ethdev.c
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2018-2024 NXP
+ * Copyright 2018-2026 NXP
  */
 
 #include <stdbool.h>
@@ -95,6 +95,8 @@ enetc_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused,
 		RTE_PTYPE_L4_UDP,
 		RTE_PTYPE_L4_SCTP,
 		RTE_PTYPE_L4_ICMP,
+		RTE_PTYPE_TUNNEL_ESP,
+		RTE_PTYPE_UNKNOWN,
 	};
 
 	*no_of_elements = RTE_DIM(ptypes);
diff --git a/drivers/net/enetc/enetc_rxtx.c b/drivers/net/enetc/enetc_rxtx.c
index b44e6f3..c87349f 100644
--- a/drivers/net/enetc/enetc_rxtx.c
+++ b/drivers/net/enetc/enetc_rxtx.c
@@ -370,6 +370,16 @@ enetc_dev_rx_parse(struct rte_mbuf *m, uint16_t parse_results)
 				 RTE_PTYPE_L3_IPV6 |
 				 RTE_PTYPE_L4_UDP;
 		return;
+	case ENETC_PKT_TYPE_IPV4_ESP:
+		m->packet_type = RTE_PTYPE_L2_ETHER |
+				 RTE_PTYPE_L3_IPV4 |
+				 RTE_PTYPE_TUNNEL_ESP;
+		return;
+	case ENETC_PKT_TYPE_IPV6_ESP:
+		m->packet_type = RTE_PTYPE_L2_ETHER |
+				 RTE_PTYPE_L3_IPV6 |
+				 RTE_PTYPE_TUNNEL_ESP;
+		return;
 	case ENETC_PKT_TYPE_IPV4_SCTP:
 		m->packet_type = RTE_PTYPE_L2_ETHER |
 				 RTE_PTYPE_L3_IPV4 |
-- 
2.25.1