[dpdk-dev] [PATCH v3 1/3] ethdev: add generic MAC address rewrite actions
Jack Min
jackmin at mellanox.com
Thu Oct 11 15:31:39 CEST 2018
rte_flow actions:
- RTE_FLOW_ACTION_TYPE_SET_MAC_SRC
- RTE_FLOW_ACTION_TYPE_SET_MAC_DST
added in order to offload to NIC
The rte_flow_itme_eth must be present in rte_flow pattern
Signed-off-by: Xiaoyu Min <jackmin at mellanox.com>
Acked-by: Yongseok Koh <yskoh at mellanox.com>
Acked-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
doc/guides/prog_guide/rte_flow.rst | 30 ++++++++++++++++++++++++++++++
lib/librte_ethdev/rte_flow.c | 2 ++
lib/librte_ethdev/rte_flow.h | 29 +++++++++++++++++++++++++++++
3 files changed, 61 insertions(+)
diff --git a/doc/guides/prog_guide/rte_flow.rst b/doc/guides/prog_guide/rte_flow.rst
index 9fc5b88f2..0f7d89555 100644
--- a/doc/guides/prog_guide/rte_flow.rst
+++ b/doc/guides/prog_guide/rte_flow.rst
@@ -2227,6 +2227,36 @@ Assigns a new TTL value.
| ``ttl_value`` | new TTL value |
+---------------+--------------------+
+Action: ``SET_MAC_SRC``
+^^^^^^^^^^^^^^^^^^^^^^^
+
+Set source MAC address
+
+.. _table_rte_flow_action_set_mac_src:
+
+.. table:: SET_MAC_SRC
+
+ +--------------+---------------+
+ | Field | Value |
+ +==============+===============+
+ | ``mac_addr`` | MAC address |
+ +--------------+---------------+
+
+Action: ``SET_MAC_DST``
+^^^^^^^^^^^^^^^^^^^^^^^
+
+Set source MAC address
+
+.. _table_rte_flow_action_set_mac_dst:
+
+.. table:: SET_MAC_DST
+
+ +--------------+---------------+
+ | Field | Value |
+ +==============+===============+
+ | ``mac_addr`` | MAC address |
+ +--------------+---------------+
+
Negative types
~~~~~~~~~~~~~~
diff --git a/lib/librte_ethdev/rte_flow.c b/lib/librte_ethdev/rte_flow.c
index 5040c7667..1752ed5eb 100644
--- a/lib/librte_ethdev/rte_flow.c
+++ b/lib/librte_ethdev/rte_flow.c
@@ -138,6 +138,8 @@ static const struct rte_flow_desc_data rte_flow_desc_action[] = {
MK_FLOW_ACTION(MAC_SWAP, 0),
MK_FLOW_ACTION(DEC_TTL, 0),
MK_FLOW_ACTION(SET_TTL, sizeof(struct rte_flow_action_set_ttl)),
+ MK_FLOW_ACTION(SET_MAC_SRC, sizeof(struct rte_flow_action_set_mac)),
+ MK_FLOW_ACTION(SET_MAC_DST, sizeof(struct rte_flow_action_set_mac)),
};
static int
diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
index f102e6939..844ee3b25 100644
--- a/lib/librte_ethdev/rte_flow.h
+++ b/lib/librte_ethdev/rte_flow.h
@@ -1599,6 +1599,26 @@ enum rte_flow_action_type {
* See struct rte_flow_action_set_ttl
*/
RTE_FLOW_ACTION_TYPE_SET_TTL,
+
+ /**
+ * Set source MAC address from matched flow.
+ *
+ * If flow pattern does not define a valid RTE_FLOW_ITEM_TYPE_ETH,
+ * the PMD should return a RTE_FLOW_ERROR_TYPE_ACTION error.
+ *
+ * See struct rte_flow_action_set_mac.
+ */
+ RTE_FLOW_ACTION_TYPE_SET_MAC_SRC,
+
+ /**
+ * Set destination MAC address from matched flow.
+ *
+ * If flow pattern does not define a valid RTE_FLOW_ITEM_TYPE_ETH,
+ * the PMD should return a RTE_FLOW_ERROR_TYPE_ACTION error.
+ *
+ * See struct rte_flow_action_set_mac.
+ */
+ RTE_FLOW_ACTION_TYPE_SET_MAC_DST,
};
/**
@@ -2018,6 +2038,15 @@ struct rte_flow_action_set_ttl {
uint8_t ttl_value;
};
+/**
+ * RTE_FLOW_ACTION_TYPE_SET_MAC
+ *
+ * Set MAC address from the matched flow
+ */
+struct rte_flow_action_set_mac {
+ uint8_t mac_addr[ETHER_ADDR_LEN];
+};
+
/*
* Definition of a single action.
*
--
2.17.1
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