[dpdk-dev] [PATCH v3 1/8] mbuf: support GTP in software packet type parser

[Beilei Xing <beilei.xing@intel.com>]

Add support of GTP-C and GTP-U tunnels in rte_net_get_ptype().

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
---
 lib/librte_mbuf/rte_mbuf_ptype.c |  2 ++
 lib/librte_mbuf/rte_mbuf_ptype.h | 24 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/lib/librte_mbuf/rte_mbuf_ptype.c b/lib/librte_mbuf/rte_mbuf_ptype.c
index e5c4fae..a450814 100644
--- a/lib/librte_mbuf/rte_mbuf_ptype.c
+++ b/lib/librte_mbuf/rte_mbuf_ptype.c
@@ -89,6 +89,8 @@ const char *rte_get_ptype_tunnel_name(uint32_t ptype)
 	case RTE_PTYPE_TUNNEL_NVGRE: return "TUNNEL_NVGRE";
 	case RTE_PTYPE_TUNNEL_GENEVE: return "TUNNEL_GENEVE";
 	case RTE_PTYPE_TUNNEL_GRENAT: return "TUNNEL_GRENAT";
+	case RTE_PTYPE_TUNNEL_GTPC: return "TUNNEL_GTPC";
+	case RTE_PTYPE_TUNNEL_GTPU: return "TUNNEL_GTPU";
 	default: return "TUNNEL_UNKNOWN";
 	}
 }
diff --git a/lib/librte_mbuf/rte_mbuf_ptype.h b/lib/librte_mbuf/rte_mbuf_ptype.h
index acd70bb..eb7cd2c 100644
--- a/lib/librte_mbuf/rte_mbuf_ptype.h
+++ b/lib/librte_mbuf/rte_mbuf_ptype.h
@@ -383,6 +383,30 @@ extern "C" {
  */
 #define RTE_PTYPE_TUNNEL_GRENAT             0x00006000
 /**
+ * GTP-C (GPRS Tunnelling Protocol) control tunneling packet type.
+ * Packet format:
+ * <'ether type'=0x0800
+ * | 'version'=4, 'protocol'=17
+ * | 'destination port'=2123>
+ * or,
+ * <'ether type'=0x86DD
+ * | 'version'=6, 'next header'=17
+ * | 'destination port'=2123>
+ */
+#define RTE_PTYPE_TUNNEL_GTPC               0x00007000
+/**
+ * GTP-U (GPRS Tunnelling Protocol) user data tunneling packet type.
+ * Packet format:
+ * <'ether type'=0x0800
+ * | 'version'=4, 'protocol'=17
+ * | 'destination port'=2152>
+ * or,
+ * <'ether type'=0x86DD
+ * | 'version'=6, 'next header'=17
+ * | 'destination port'=2152>
+ */
+#define RTE_PTYPE_TUNNEL_GTPU               0x00008000
+/**
  * Mask of tunneling packet types.
  */
 #define RTE_PTYPE_TUNNEL_MASK               0x0000f000
-- 
2.5.5