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From: Beilei Xing <beilei.xing@intel.com>
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Date: Fri, 29 Sep 2017 13:18:55 +0800
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Subject: [dpdk-dev] [PATCH v6 1/8] mbuf: support GTP in software packet type
parser
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Add support of GTP-C and GTP-U tunnels in rte_net_get_ptype().
Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.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