Add new rte_flow_item_gre_key in order to match the optional key field.
Signed-off-by: Xiaoyu Min <jack...@mellanox.com>
---
v2:
* new rte_flow_item_gre_key added instead of expanding existing
rte_flow_item_gre.
* updated document.
doc/guides/prog_guide/rte_flow.rst | 9 +++++++++
lib/librte_ethdev/rte_flow.c | 1 +
lib/librte_ethdev/rte_flow.h | 27 +++++++++++++++++++++++++++
3 files changed, 37 insertions(+)
diff --git a/doc/guides/prog_guide/rte_flow.rst
b/doc/guides/prog_guide/rte_flow.rst
index 937f52bce1..8b79818f44 100644
--- a/doc/guides/prog_guide/rte_flow.rst
+++ b/doc/guides/prog_guide/rte_flow.rst
@@ -980,6 +980,15 @@ Matches a GRE header.
- ``protocol``: protocol type.
- Default ``mask`` matches protocol only.
+Item: ``GRE_KEY``
+^^^^^^^^^^^^^^^^^
+
+Matches a GRE key field.
+This should be preceded by item ``GRE``
+
+- ``key``: key value.
+- Default ``mask`` matches key only.
+
Item: ``FUZZY``
^^^^^^^^^^^^^^^
diff --git a/lib/librte_ethdev/rte_flow.c b/lib/librte_ethdev/rte_flow.c
index 3277be1edb..1cd5f4d263 100644
--- a/lib/librte_ethdev/rte_flow.c
+++ b/lib/librte_ethdev/rte_flow.c
@@ -55,6 +55,7 @@ static const struct rte_flow_desc_data rte_flow_desc_item[] =
{
MK_FLOW_ITEM(NVGRE, sizeof(struct rte_flow_item_nvgre)),
MK_FLOW_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)),
MK_FLOW_ITEM(GRE, sizeof(struct rte_flow_item_gre)),
+ MK_FLOW_ITEM(GRE_KEY, sizeof(struct rte_flow_item_gre_key)),
MK_FLOW_ITEM(FUZZY, sizeof(struct rte_flow_item_fuzzy)),
MK_FLOW_ITEM(GTP, sizeof(struct rte_flow_item_gtp)),
MK_FLOW_ITEM(GTPC, sizeof(struct rte_flow_item_gtp)),
diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
index 63f84fca65..b36c3b980a 100644
--- a/lib/librte_ethdev/rte_flow.h
+++ b/lib/librte_ethdev/rte_flow.h
@@ -289,6 +289,13 @@ enum rte_flow_item_type {
*/
RTE_FLOW_ITEM_TYPE_GRE,
+ /**
+ * Matches a GRE optional key field.
+ *
+ * See struct rte_flow_item_gre_key.
+ */
+ RTE_FLOW_ITEM_TYPE_GRE_KEY,
+
/**
* [META]
*
@@ -856,6 +863,26 @@ static const struct rte_flow_item_gre
rte_flow_item_gre_mask = {
};
#endif
+/**
+ * RTE_FLOW_ITEM_GRE_KEY.
+ *
+ * Matches the presence of a GRE key.
+ *
+ * Normally preceding by:
+ *
+ * - RTE_FLOW_ITEM_TYPE_GRE
+ */
+struct rte_flow_item_gre_key {
+ rte_be32_t key; /**< Application specific key value (K bit). */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_GRE_KEY. */
+#ifndef __cplusplus
+static const struct rte_flow_item_gre_key rte_flow_gre_key_mask = {
+ .key = RTE_BE32(UINT32_MAX),
+};
+#endif
+
/**
* RTE_FLOW_ITEM_TYPE_FUZZY
*
--
2.21.0
