[1/3] ethdev: add NSH key field to flow API
diff mbox series

Message ID 20190723083052.32049-1-kirankumark@marvell.com
State Superseded, archived
Delegated to: Ferruh Yigit
Headers show
Series
  • [1/3] ethdev: add NSH key field to flow API
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Context Check Description
ci/checkpatch success coding style OK
ci/iol-Compile-Testing success Compile Testing PASS
ci/Intel-compilation fail Compilation issues
ci/mellanox-Performance-Testing success Performance Testing PASS
ci/intel-Performance-Testing success Performance Testing PASS

Commit Message

Kiran Kumar Kokkilagadda July 23, 2019, 8:30 a.m. UTC
From: Kiran Kumar K <kirankumark@marvell.com>

Add new rte_flow_item_nsh in order to match the network service header
based on RFC 8300.

Signed-off-by: Kiran Kumar K <kirankumark@marvell.com>
---
 lib/librte_ethdev/rte_flow.c |  1 +
 lib/librte_ethdev/rte_flow.h | 39 ++++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)

Patch
diff mbox series

diff --git a/lib/librte_ethdev/rte_flow.c b/lib/librte_ethdev/rte_flow.c
index 18fcb018e..39646167c 100644
--- a/lib/librte_ethdev/rte_flow.c
+++ b/lib/librte_ethdev/rte_flow.c
@@ -75,6 +75,7 @@  static const struct rte_flow_desc_data rte_flow_desc_item[] = {
 	MK_FLOW_ITEM(MARK, sizeof(struct rte_flow_item_mark)),
 	MK_FLOW_ITEM(META, sizeof(struct rte_flow_item_meta)),
 	MK_FLOW_ITEM(GRE_KEY, sizeof(rte_be32_t)),
+	MK_FLOW_ITEM(NSH, sizeof(struct rte_flow_item_nsh)),
 };
 
 /** Generate flow_action[] entry. */
diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
index b66bf1495..f0e99fa3e 100644
--- a/lib/librte_ethdev/rte_flow.h
+++ b/lib/librte_ethdev/rte_flow.h
@@ -434,6 +434,13 @@  enum rte_flow_item_type {
 	 * @code rte_be32_t * @endcode
 	 */
 	RTE_FLOW_ITEM_TYPE_GRE_KEY,
+
+	/**
+	 * Matches Network service header (NSH).
+	 * See struct rte_flow_item_nsh.
+	 *
+	 */
+	RTE_FLOW_ITEM_TYPE_NSH,
 };
 
 /**
@@ -1214,6 +1221,38 @@  struct rte_flow_item_mark {
 	uint32_t id; /**< Integer value to match against. */
 };
 
+/**
+ * @warning
+ * @b EXPERIMENTAL: this structure may change without prior notice
+ *
+ * RTE_FLOW_ITEM_TYPE_NSH
+ *
+ * Match network service header (NSH), RFC 8300
+ *
+ */
+struct rte_flow_item_nsh {
+	uint32_t version:2;
+	uint32_t oam_pkt:1;
+	uint32_t reserved:1;
+	uint32_t ttl:6;
+	uint32_t length:6;
+	uint32_t reserved1:4;
+	uint32_t mdtype:4;
+	uint32_t next_proto:8;
+	uint32_t spi:24;
+	uint32_t sindex:8;
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_NSH. */
+#ifndef __cplusplus
+static const struct rte_flow_item_nsh rte_flow_item_nsh_mask = {
+	.mdtype = 0xf,
+	.next_proto = 0xff,
+	.spi = 0xffffff,
+	.sindex = 0xff,
+};
+#endif
+
 /**
  * Matching pattern item definition.
  *