[dpdk-dev] [PATCH 24/26] net/octeontx: add packet type parsing support

[Jerin Jacob <jerin.jacob@caviumnetworks.com>]

Mark Packet type parsing in features.

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Co-authored-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
---
 doc/guides/nics/features/octeontx.ini  |  1 +
 drivers/net/octeontx/octeontx_ethdev.c | 22 ++++++++
 drivers/net/octeontx/octeontx_rxtx.c   | 91 ++++++++++++++++++++++++++++++++++
 3 files changed, 114 insertions(+)

diff --git a/doc/guides/nics/features/octeontx.ini b/doc/guides/nics/features/octeontx.ini
index cf9167df9..c92d5aa07 100644
--- a/doc/guides/nics/features/octeontx.ini
+++ b/doc/guides/nics/features/octeontx.ini
@@ -12,6 +12,7 @@ Jumbo frame          = Y
 Promiscuous mode     = Y
 Unicast MAC filter   = P
 CRC offload          = Y
+Packet type parsing  = Y
 Basic stats          = Y
 Linux VFIO           = Y
 ARMv8                = Y
diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c
index c5e324346..cc0badb88 100644
--- a/drivers/net/octeontx/octeontx_ethdev.c
+++ b/drivers/net/octeontx/octeontx_ethdev.c
@@ -47,6 +47,7 @@
 #include <rte_vdev.h>
 
 #include "octeontx_ethdev.h"
+#include "octeontx_rxtx.h"
 #include "octeontx_logs.h"
 
 struct octeontx_vdev_init_params {
@@ -840,6 +841,26 @@ octeontx_dev_rx_queue_release(void *rxq)
 	rte_free(rxq);
 }
 
+static const uint32_t *
+octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev)
+{
+	static const uint32_t ptypes[] = {
+		RTE_PTYPE_L3_IPV4,
+		RTE_PTYPE_L3_IPV4_EXT,
+		RTE_PTYPE_L3_IPV6,
+		RTE_PTYPE_L3_IPV6_EXT,
+		RTE_PTYPE_L4_TCP,
+		RTE_PTYPE_L4_UDP,
+		RTE_PTYPE_L4_FRAG,
+		RTE_PTYPE_UNKNOWN
+	};
+
+	if (dev->rx_pkt_burst == octeontx_recv_pkts)
+		return ptypes;
+
+	return NULL;
+}
+
 /* Initialize and register driver with DPDK Application */
 static const struct eth_dev_ops octeontx_dev_ops = {
 	.dev_configure		 = octeontx_dev_configure,
@@ -856,6 +877,7 @@ static const struct eth_dev_ops octeontx_dev_ops = {
 	.tx_queue_release	 = octeontx_dev_tx_queue_release,
 	.rx_queue_setup		 = octeontx_dev_rx_queue_setup,
 	.rx_queue_release	 = octeontx_dev_rx_queue_release,
+	.dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get,
 };
 
 /* Create Ethdev interface per BGX LMAC ports */
diff --git a/drivers/net/octeontx/octeontx_rxtx.c b/drivers/net/octeontx/octeontx_rxtx.c
index 05f003649..0b158330c 100644
--- a/drivers/net/octeontx/octeontx_rxtx.c
+++ b/drivers/net/octeontx/octeontx_rxtx.c
@@ -47,6 +47,95 @@
 #include "octeontx_rxtx.h"
 #include "octeontx_logs.h"
 
+/* Packet type table */
+#define PTYPE_SIZE	OCCTX_PKI_LTYPE_LAST
+
+static const uint32_t __rte_cache_aligned
+ptype_table[PTYPE_SIZE][PTYPE_SIZE][PTYPE_SIZE] = {
+	[LC_NONE][LE_NONE][LF_NONE] = RTE_PTYPE_UNKNOWN,
+	[LC_NONE][LE_NONE][LF_IPSEC_ESP] = RTE_PTYPE_UNKNOWN,
+	[LC_NONE][LE_NONE][LF_IPFRAG] = RTE_PTYPE_L4_FRAG,
+	[LC_NONE][LE_NONE][LF_IPCOMP] = RTE_PTYPE_UNKNOWN,
+	[LC_NONE][LE_NONE][LF_TCP] = RTE_PTYPE_L4_TCP,
+	[LC_NONE][LE_NONE][LF_UDP] = RTE_PTYPE_L4_UDP,
+	[LC_NONE][LE_NONE][LF_GRE] = RTE_PTYPE_TUNNEL_GRE,
+	[LC_NONE][LE_NONE][LF_UDP_GENEVE] = RTE_PTYPE_TUNNEL_GENEVE,
+	[LC_NONE][LE_NONE][LF_UDP_VXLAN] = RTE_PTYPE_TUNNEL_VXLAN,
+	[LC_NONE][LE_NONE][LF_NVGRE] = RTE_PTYPE_TUNNEL_NVGRE,
+
+	[LC_IPV4][LE_NONE][LF_NONE] = RTE_PTYPE_L3_IPV4 | RTE_PTYPE_UNKNOWN,
+	[LC_IPV4][LE_NONE][LF_IPSEC_ESP] =
+				RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L3_IPV4,
+	[LC_IPV4][LE_NONE][LF_IPFRAG] = RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_FRAG,
+	[LC_IPV4][LE_NONE][LF_IPCOMP] = RTE_PTYPE_L3_IPV4 | RTE_PTYPE_UNKNOWN,
+	[LC_IPV4][LE_NONE][LF_TCP] = RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_TCP,
+	[LC_IPV4][LE_NONE][LF_UDP] = RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_UDP,
+	[LC_IPV4][LE_NONE][LF_GRE] = RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_GRE,
+	[LC_IPV4][LE_NONE][LF_UDP_GENEVE] =
+				RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_GENEVE,
+	[LC_IPV4][LE_NONE][LF_UDP_VXLAN] =
+				RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_VXLAN,
+	[LC_IPV4][LE_NONE][LF_NVGRE] =
+				RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_NVGRE,
+
+	[LC_IPV4_OPT][LE_NONE][LF_NONE] =
+				RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_UNKNOWN,
+	[LC_IPV4_OPT][LE_NONE][LF_IPSEC_ESP] =
+				RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L3_IPV4,
+	[LC_IPV4_OPT][LE_NONE][LF_IPFRAG] =
+				RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_FRAG,
+	[LC_IPV4_OPT][LE_NONE][LF_IPCOMP] =
+				RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_UNKNOWN,
+	[LC_IPV4_OPT][LE_NONE][LF_TCP] =
+				RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_TCP,
+	[LC_IPV4_OPT][LE_NONE][LF_UDP] =
+				RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_UDP,
+	[LC_IPV4_OPT][LE_NONE][LF_GRE] =
+				RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_TUNNEL_GRE,
+	[LC_IPV4_OPT][LE_NONE][LF_UDP_GENEVE] =
+				RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_TUNNEL_GENEVE,
+	[LC_IPV4_OPT][LE_NONE][LF_UDP_VXLAN] =
+				RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_TUNNEL_VXLAN,
+	[LC_IPV4_OPT][LE_NONE][LF_NVGRE] =
+				RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_TUNNEL_NVGRE,
+
+	[LC_IPV6][LE_NONE][LF_NONE] = RTE_PTYPE_L3_IPV6 | RTE_PTYPE_UNKNOWN,
+	[LC_IPV6][LE_NONE][LF_IPSEC_ESP] =
+				RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L3_IPV4,
+	[LC_IPV6][LE_NONE][LF_IPFRAG] = RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_FRAG,
+	[LC_IPV6][LE_NONE][LF_IPCOMP] = RTE_PTYPE_L3_IPV6 | RTE_PTYPE_UNKNOWN,
+	[LC_IPV6][LE_NONE][LF_TCP] = RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP,
+	[LC_IPV6][LE_NONE][LF_UDP] = RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP,
+	[LC_IPV6][LE_NONE][LF_GRE] = RTE_PTYPE_L3_IPV6 | RTE_PTYPE_TUNNEL_GRE,
+	[LC_IPV6][LE_NONE][LF_UDP_GENEVE] =
+				RTE_PTYPE_L3_IPV6 | RTE_PTYPE_TUNNEL_GENEVE,
+	[LC_IPV6][LE_NONE][LF_UDP_VXLAN] =
+				RTE_PTYPE_L3_IPV6 | RTE_PTYPE_TUNNEL_VXLAN,
+	[LC_IPV6][LE_NONE][LF_NVGRE] =
+				RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_NVGRE,
+	[LC_IPV6_OPT][LE_NONE][LF_NONE] =
+				RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_UNKNOWN,
+	[LC_IPV6_OPT][LE_NONE][LF_IPSEC_ESP] =
+				RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L3_IPV4,
+	[LC_IPV6_OPT][LE_NONE][LF_IPFRAG] =
+				RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_FRAG,
+	[LC_IPV6_OPT][LE_NONE][LF_IPCOMP] =
+				RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_UNKNOWN,
+	[LC_IPV6_OPT][LE_NONE][LF_TCP] =
+				RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_TCP,
+	[LC_IPV6_OPT][LE_NONE][LF_UDP] =
+				RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_UDP,
+	[LC_IPV6_OPT][LE_NONE][LF_GRE] =
+				RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_TUNNEL_GRE,
+	[LC_IPV6_OPT][LE_NONE][LF_UDP_GENEVE] =
+				RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_TUNNEL_GENEVE,
+	[LC_IPV6_OPT][LE_NONE][LF_UDP_VXLAN] =
+				RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_TUNNEL_VXLAN,
+	[LC_IPV6_OPT][LE_NONE][LF_NVGRE] =
+				RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_TUNNEL_NVGRE,
+
+};
+
 static __rte_always_inline uint16_t __hot
 __octeontx_xmit_pkts(void *lmtline_va, void *ioreg_va, int64_t *fc_status_va,
 			struct rte_mbuf *tx_pkt)
@@ -128,6 +217,8 @@ octeontx_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
 		/* Get mbuf from wqe */
 		mbuf = (struct rte_mbuf *)((uintptr_t)wqe -
 						OCTTX_PACKET_WQE_SKIP);
+		mbuf->packet_type =
+		ptype_table[wqe->s.w2.lcty][wqe->s.w2.lety][wqe->s.w2.lfty];
 		mbuf->data_off = RTE_PTR_DIFF(wqe->s.w3.addr, mbuf->buf_addr);
 		mbuf->pkt_len = wqe->s.w1.len;
 		mbuf->data_len = mbuf->pkt_len;
-- 
2.14.1