ethdev: add generic MAC address rewrite actions

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@mellanox.com>
Acked-by: Yongseok Koh <yskoh@mellanox.com>
Acked-by: Andrew Rybchenko <arybchenko@solarflare.com>

diff --git a/doc/guides/prog_guide/rte_flow.rst b/doc/guides/prog_guide/rte_flow.rst
index e766329..0ebe85e 100644 (file)
--- a/doc/guides/prog_guide/rte_flow.rst
+++ b/doc/guides/prog_guide/rte_flow.rst
@@ -2239,6 +2239,36 @@ in pattern, Some PMDs will reject rule because behaviour will be undefined.
    | ``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 5040c76..1752ed5 100644 (file)
--- 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 79bcb29..26e2fcf 100644 (file)
--- a/lib/librte_ethdev/rte_flow.h
+++ b/lib/librte_ethdev/rte_flow.h
@@ -1593,6 +1593,26 @@ 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,
 };
 
 /**
@@ -2010,6 +2030,15 @@ 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.
  *