For use in "transfer" flows. Supposed to match traffic entering the
embedded switch from the entity represented by the given ethdev.
Such an entity can be a network (via a network port), a guest
machine (via a VF) or another ethdev in the same application.
Must not be combined with direction attributes.
Signed-off-by: Ivan Malov <ivan.ma...@oktetlabs.ru>
---
app/test-pmd/cmdline_flow.c | 25 +++++++++++
doc/guides/prog_guide/rte_flow.rst | 46 +++++++++++++++++++++
doc/guides/rel_notes/release_21_11.rst | 2 +-
doc/guides/testpmd_app_ug/testpmd_funcs.rst | 5 +++
lib/ethdev/rte_flow.c | 1 +
lib/ethdev/rte_flow.h | 13 +++++-
6 files changed, 90 insertions(+), 2 deletions(-)
diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index a912a8d815..68698d805d 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -308,6 +308,8 @@ enum index {
ITEM_POL_POLICY,
ITEM_PORT_REPRESENTOR,
ITEM_PORT_REPRESENTOR_PORT_ID,
+ ITEM_REPRESENTED_PORT,
+ ITEM_REPRESENTED_PORT_ETHDEV_PORT_ID,
/* Validate/create actions. */
ACTIONS,
@@ -1003,6 +1005,7 @@ static const enum index next_item[] = {
ITEM_INTEGRITY,
ITEM_CONNTRACK,
ITEM_PORT_REPRESENTOR,
+ ITEM_REPRESENTED_PORT,
END_SET,
ZERO,
};
@@ -1377,6 +1380,12 @@ static const enum index item_port_representor[] = {
ZERO,
};
+static const enum index item_represented_port[] = {
+ ITEM_REPRESENTED_PORT_ETHDEV_PORT_ID,
+ ITEM_NEXT,
+ ZERO,
+};
+
static const enum index next_action[] = {
ACTION_END,
ACTION_VOID,
@@ -3632,6 +3641,21 @@ static const struct token token_list[] = {
item_param),
.args = ARGS(ARGS_ENTRY(struct rte_flow_item_ethdev, port_id)),
},
+ [ITEM_REPRESENTED_PORT] = {
+ .name = "represented_port",
+ .help = "match traffic entering the embedded switch from the
entity represented by the given ethdev",
+ .priv = PRIV_ITEM(REPRESENTED_PORT,
+ sizeof(struct rte_flow_item_ethdev)),
+ .next = NEXT(item_represented_port),
+ .call = parse_vc,
+ },
+ [ITEM_REPRESENTED_PORT_ETHDEV_PORT_ID] = {
+ .name = "ethdev_port_id",
+ .help = "ethdev port ID",
+ .next = NEXT(item_represented_port, NEXT_ENTRY(COMMON_UNSIGNED),
+ item_param),
+ .args = ARGS(ARGS_ENTRY(struct rte_flow_item_ethdev, port_id)),
+ },
/* Validate/create actions. */
[ACTIONS] = {
.name = "actions",
@@ -8368,6 +8392,7 @@ flow_item_default_mask(const struct rte_flow_item *item)
mask = &rte_flow_item_pfcp_mask;
break;
case RTE_FLOW_ITEM_TYPE_PORT_REPRESENTOR:
+ case RTE_FLOW_ITEM_TYPE_REPRESENTED_PORT:
mask = &rte_flow_item_ethdev_mask;
break;
default:
diff --git a/doc/guides/prog_guide/rte_flow.rst
b/doc/guides/prog_guide/rte_flow.rst
index 2e0f590777..3dc209af4d 100644
--- a/doc/guides/prog_guide/rte_flow.rst
+++ b/doc/guides/prog_guide/rte_flow.rst
@@ -1484,6 +1484,52 @@ at the opposite end of the "wire" leading to the ethdev.
- Default ``mask`` provides exact match behaviour.
+Item: ``REPRESENTED_PORT``
+^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Matches traffic entering the embedded switch from
+the entity represented by the given ethdev.
+
+Term **ethdev** and the concept of **port representor** are synonymous.
+The **represented port** is an *entity* plugged to the embedded switch
+at the opposite end of the "wire" leading to the ethdev.
+
+::
+
+ .------------------------.
+ | PORT_REPRESENTOR | Ethdev (Application Port Referred to by its ID)
+ '------------------------'
+ :
+ :
+ .------------------------.
+ | Embedded Switch Port | Logical Port
+ '------------------------'
+ :
+ :
+ :
+ :
+ .------------------------.
+ | Embedded Flow Engine |
+ '------------------------'
+ /\
+ ||
+ ||
+ ||
+ .------------------------.
+ | Embedded Switch Port | Logical Port
+ '------------------------'
+ /\
+ ||
+ .------------------------.
+ | REPRESENTED_PORT | Net / Guest / Another Ethdev (Same Application)
+ '------------------------'
+
+
+- Incompatibe with `Attribute: Traffic direction`_.
+- Requires `Attribute: Transfer`_.
+
+This item is meant to use the same structure as `Item: PORT_REPRESENTOR`_.
+
Actions
~~~~~~~
diff --git a/doc/guides/rel_notes/release_21_11.rst
b/doc/guides/rel_notes/release_21_11.rst
index 1261cb2bf3..39ff16780b 100644
--- a/doc/guides/rel_notes/release_21_11.rst
+++ b/doc/guides/rel_notes/release_21_11.rst
@@ -188,7 +188,7 @@ API Changes
Also, make sure to start the actual text at the margin.
=======================================================
-* ethdev: Added item ``PORT_REPRESENTOR`` to flow API.
+* ethdev: Added items ``PORT_REPRESENTOR``, ``REPRESENTED_PORT`` to flow API.
* kvargs: The experimental function ``rte_kvargs_strcmp()`` has been
removed. Its usages have been replaced by a new function
diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index dcb9f47d98..44a399899f 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -3799,6 +3799,11 @@ This section lists supported pattern items and their
attributes, if any.
- ``port_id {unsigned}``: ethdev port ID
+- ``represented_port``: match traffic entering the embedded switch from
+ the entity represented by the given ethdev
+
+ - ``ethdev_port_id {unsigned}``: ethdev port ID
+
Actions list
^^^^^^^^^^^^
diff --git a/lib/ethdev/rte_flow.c b/lib/ethdev/rte_flow.c
index 5e9317c6d1..d4b654a2c6 100644
--- a/lib/ethdev/rte_flow.c
+++ b/lib/ethdev/rte_flow.c
@@ -101,6 +101,7 @@ static const struct rte_flow_desc_data rte_flow_desc_item[]
= {
MK_FLOW_ITEM(INTEGRITY, sizeof(struct rte_flow_item_integrity)),
MK_FLOW_ITEM(CONNTRACK, sizeof(uint32_t)),
MK_FLOW_ITEM(PORT_REPRESENTOR, sizeof(struct rte_flow_item_ethdev)),
+ MK_FLOW_ITEM(REPRESENTED_PORT, sizeof(struct rte_flow_item_ethdev)),
};
/** Generate flow_action[] entry. */
diff --git a/lib/ethdev/rte_flow.h b/lib/ethdev/rte_flow.h
index 3625fd2c12..24d41aeb7b 100644
--- a/lib/ethdev/rte_flow.h
+++ b/lib/ethdev/rte_flow.h
@@ -583,6 +583,16 @@ enum rte_flow_item_type {
* @see struct rte_flow_item_ethdev
*/
RTE_FLOW_ITEM_TYPE_PORT_REPRESENTOR,
+
+ /**
+ * [META]
+ *
+ * Matches traffic entering the embedded switch from
+ * the entity represented by the given ethdev.
+ *
+ * @see struct rte_flow_item_ethdev
+ */
+ RTE_FLOW_ITEM_TYPE_REPRESENTED_PORT,
};
/**
@@ -1813,7 +1823,8 @@ static const struct rte_flow_item_conntrack
rte_flow_item_conntrack_mask = {
* @b EXPERIMENTAL: this structure may change without prior notice
*
* Provides an ethdev port ID for use with the following items:
- * RTE_FLOW_ITEM_TYPE_PORT_REPRESENTOR.
+ * RTE_FLOW_ITEM_TYPE_PORT_REPRESENTOR,
+ * RTE_FLOW_ITEM_TYPE_REPRESENTED_PORT.
*/
struct rte_flow_item_ethdev {
uint16_t port_id; /**< ethdev port ID */
--
2.20.1
