Mark ID can be modified when supporting multiple tables. Partial bit
alteration is supported to preserve some bit-fields set by previous match.
Signed-off-by: Yongseok Koh <ys...@mellanox.com>
---
doc/guides/prog_guide/rte_flow.rst | 21 +++++++++++++++++++++
lib/librte_ethdev/rte_flow.h | 24 ++++++++++++++++++++++++
2 files changed, 45 insertions(+)
diff --git a/doc/guides/prog_guide/rte_flow.rst
b/doc/guides/prog_guide/rte_flow.rst
index 016cd90e52..2907edfff4 100644
--- a/doc/guides/prog_guide/rte_flow.rst
+++ b/doc/guides/prog_guide/rte_flow.rst
@@ -1463,6 +1463,27 @@ depends on the underlying implementation. It is returned
in the
| ``id`` | integer value to return with packets |
+--------+--------------------------------------+
+Action: ``MODIFY_MARK``
+^^^^^^^^^^^^^^^^^^^^^^^
+
+Alter partial bits of mark ID set by ``MARK`` action.
+
+``mask`` indicates which bits are modified. For bits which have never been set
+by ``MARK`` or ``MODIFY_MARK``, unpredictable value will be seen depending on
+driver implementation.
+
+.. _table_rte_flow_action_modify_mark:
+
+.. table:: MODIFY_MARK
+
+ +----------+--------------------------------------+
+ | Field | Value |
+ +==========+======================================+
+ | ``id`` | integer value to return with packets |
+ +----------+--------------------------------------+
+ | ``mask`` | bit-mask applies to "id" |
+ +----------+--------------------------------------+
+
Action: ``FLAG``
^^^^^^^^^^^^^^^^
diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
index cda8628183..d811f8a06e 100644
--- a/lib/librte_ethdev/rte_flow.h
+++ b/lib/librte_ethdev/rte_flow.h
@@ -1316,6 +1316,13 @@ enum rte_flow_action_type {
*/
RTE_FLOW_ACTION_TYPE_MARK,
+ /**
+ * Alter partial bits of mark ID set by RTE_FLOW_ACTION_TYPE_MARK.
+ *
+ * See struct rte_flow_action_modify_mark.
+ */
+ RTE_FLOW_ACTION_TYPE_MODIFY_MARK,
+
/**
* Flags packets. Similar to MARK without a specific value; only
* sets the PKT_RX_FDIR mbuf flag.
@@ -1681,6 +1688,23 @@ struct rte_flow_action_mark {
uint32_t id; /**< Integer value to return with packets. */
};
+/**
+ * @warning
+ * @b EXPERIMENTAL: this structure may change without prior notice
+ *
+ * RTE_FLOW_ACTION_TYPE_MODIFY_MARK
+ *
+ * Alter partial bits of mark ID set by RTE_FLOW_ACTION_TYPE_MARK.
+ *
+ * Provided mask indicates which bits are modified. For bits which have never
+ * been set by mark action or modify_mark action, unpredictable value will be
+ * seen depending on driver implementation.
+ */
+struct rte_flow_action_modify_mark {
+ uint32_t id; /**< Integer value to return with packets. */
+ uint32_t mask; /**< Mask of bits to modify. */
+};
+
/**
* @warning
* @b EXPERIMENTAL: this structure may change without prior notice
--
2.21.0
