@@ -306,6 +306,8 @@ enum index {
ITEM_POL_PORT,
ITEM_POL_METER,
ITEM_POL_POLICY,
+ ITEM_PORT_REPRESENTOR,
+ ITEM_PORT_REPRESENTOR_PORT_ID,
/* Validate/create actions. */
ACTIONS,
@@ -999,6 +1001,7 @@ static const enum index next_item[] = {
ITEM_GENEVE_OPT,
ITEM_INTEGRITY,
ITEM_CONNTRACK,
+ ITEM_PORT_REPRESENTOR,
END_SET,
ZERO,
};
@@ -1367,6 +1370,12 @@ static const enum index item_integrity_lv[] = {
ZERO,
};
+static const enum index item_port_representor[] = {
+ ITEM_PORT_REPRESENTOR_PORT_ID,
+ ITEM_NEXT,
+ ZERO,
+};
+
static const enum index next_action[] = {
ACTION_END,
ACTION_VOID,
@@ -3606,6 +3615,21 @@ static const struct token token_list[] = {
item_param),
.args = ARGS(ARGS_ENTRY(struct rte_flow_item_conntrack, flags)),
},
+ [ITEM_PORT_REPRESENTOR] = {
+ .name = "port_representor",
+ .help = "match traffic entering the embedded switch from the given ethdev",
+ .priv = PRIV_ITEM(PORT_REPRESENTOR,
+ sizeof(struct rte_flow_item_ethdev)),
+ .next = NEXT(item_port_representor),
+ .call = parse_vc,
+ },
+ [ITEM_PORT_REPRESENTOR_PORT_ID] = {
+ .name = "port_id",
+ .help = "ethdev port ID",
+ .next = NEXT(item_port_representor, NEXT_ENTRY(COMMON_UNSIGNED),
+ item_param),
+ .args = ARGS(ARGS_ENTRY(struct rte_flow_item_ethdev, port_id)),
+ },
/* Validate/create actions. */
[ACTIONS] = {
.name = "actions",
@@ -8333,6 +8357,9 @@ flow_item_default_mask(const struct rte_flow_item *item)
case RTE_FLOW_ITEM_TYPE_PFCP:
mask = &rte_flow_item_pfcp_mask;
break;
+ case RTE_FLOW_ITEM_TYPE_PORT_REPRESENTOR:
+ mask = &rte_flow_item_ethdev_mask;
+ break;
default:
break;
}
@@ -1425,6 +1425,65 @@ Matches a conntrack state after conntrack action.
- ``flags``: conntrack packet state flags.
- Default ``mask`` matches all state bits.
+Item: ``PORT_REPRESENTOR``
+^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Matches traffic entering the embedded switch from 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)
+ '--------------------'
+ ||
+ \/
+ .----------------.
+ | Logical Port |
+ '----------------'
+ ||
+ ||
+ ||
+ \/
+ .----------.
+ | Switch |
+ '----------'
+ :
+ :
+ :
+ :
+ .----------------.
+ | Logical Port |
+ '----------------'
+ :
+ :
+ .--------------------.
+ | REPRESENTED_PORT | Net / Guest / Another Ethdev (Same Application)
+ '--------------------'
+
+
+- Incompatible with `Attribute: Traffic direction`_.
+- Requires `Attribute: Transfer`_.
+
+.. _table_rte_flow_item_ethdev:
+
+.. table:: ``struct rte_flow_item_ethdev``
+
+ +----------+-------------+---------------------------+
+ | Field | Subfield | Value |
+ +==========+=============+===========================+
+ | ``spec`` | ``port_id`` | ethdev port ID |
+ +----------+-------------+---------------------------+
+ | ``last`` | ``port_id`` | upper range value |
+ +----------+-------------+---------------------------+
+ | ``mask`` | ``port_id`` | zeroed for wildcard match |
+ +----------+-------------+---------------------------+
+
+- Default ``mask`` provides exact match behaviour.
+
Actions
~~~~~~~
@@ -252,6 +252,8 @@ API Changes
the crypto/security operation. This field will be used to communicate
events such as soft expiry with IPsec in lookaside mode.
+* ethdev: Added item ``PORT_REPRESENTOR`` to flow API.
+
ABI Changes
-----------
@@ -3801,6 +3801,10 @@ This section lists supported pattern items and their attributes, if any.
- ``conntrack``: match conntrack state.
+- ``port_representor``: match traffic entering the embedded switch from the given ethdev
+
+ - ``port_id {unsigned}``: ethdev port ID
+
Actions list
^^^^^^^^^^^^
@@ -100,6 +100,7 @@ static const struct rte_flow_desc_data rte_flow_desc_item[] = {
MK_FLOW_ITEM(GENEVE_OPT, sizeof(struct rte_flow_item_geneve_opt)),
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)),
};
/** Generate flow_action[] entry. */
@@ -574,6 +574,15 @@ enum rte_flow_item_type {
* @see struct rte_flow_item_conntrack.
*/
RTE_FLOW_ITEM_TYPE_CONNTRACK,
+
+ /**
+ * [META]
+ *
+ * Matches traffic entering the embedded switch from the given ethdev.
+ *
+ * @see struct rte_flow_item_ethdev
+ */
+ RTE_FLOW_ITEM_TYPE_PORT_REPRESENTOR,
};
/**
@@ -1799,6 +1808,24 @@ static const struct rte_flow_item_conntrack rte_flow_item_conntrack_mask = {
};
#endif
+/**
+ * @warning
+ * @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.
+ */
+struct rte_flow_item_ethdev {
+ uint16_t port_id; /**< ethdev port ID */
+};
+
+/** Default mask for items based on struct rte_flow_item_ethdev */
+#ifndef __cplusplus
+static const struct rte_flow_item_ethdev rte_flow_item_ethdev_mask = {
+ .port_id = 0xffff,
+};
+#endif
+
/**
* Matching pattern item definition.
*