Add new rte_flow_item_gre_key in order to match the optional key field.
Acked-by: Ori Kam <or...@mellanox.com>
Acked-by: Adrien Mazarguil <adrien.mazarg...@6wind.com>
Signed-off-by: Xiaoyu Min <jack...@mellanox.com>
---
doc/guides/prog_guide/rte_flow.rst | 9 +++++++++
lib/librte_ethdev/rte_flow.c | 1 +
lib/librte_ethdev/rte_flow.h | 13 +++++++++++++
3 files changed, 23 insertions(+)
diff --git a/doc/guides/prog_guide/rte_flow.rst
b/doc/guides/prog_guide/rte_flow.rst
index a34d012e55..8072fc1664 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``.
+
+- Value to be matched is a big-endian 32 bit integer.
+- When this item present it implicitly match K bit in default mask as "1"
+
Item: ``FUZZY``
^^^^^^^^^^^^^^^
diff --git a/lib/librte_ethdev/rte_flow.c b/lib/librte_ethdev/rte_flow.c
index 5c4952242f..f617e0304f 100644
--- a/lib/librte_ethdev/rte_flow.c
+++ b/lib/librte_ethdev/rte_flow.c
@@ -74,6 +74,7 @@ static const struct rte_flow_desc_data rte_flow_desc_item[] =
{
sizeof(struct rte_flow_item_icmp6_nd_opt_tla_eth)),
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)),
};
/** Generate flow_action[] entry. */
diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
index f3a8fb103f..bdb8edee42 100644
--- a/lib/librte_ethdev/rte_flow.h
+++ b/lib/librte_ethdev/rte_flow.h
@@ -421,6 +421,19 @@ enum rte_flow_item_type {
* See struct rte_flow_item_meta.
*/
RTE_FLOW_ITEM_TYPE_META,
+
+ /**
+ * Matches a GRE optional key field.
+ *
+ * The value should a big-endian 32bit integer.
+ *
+ * When this item present the K bit is implicitly matched as "1"
+ * in the default mask.
+ *
+ * @p spec/mask type:
+ * @code rte_be32_t * @endcode
+ */
+ RTE_FLOW_ITEM_TYPE_GRE_KEY,
};
/**
--
2.21.0
