[PATCH 3/3] ethdev: add structure for indirect AGE update
Michael Baum
michaelba at nvidia.com
Wed Sep 21 16:54:09 CEST 2022
Add a new structure for indirect AGE update.
This new structure enables:
1. Update timeout value.
2. Stop AGE checking.
3. Start AGE checking.
4. restart AGE checking.
Signed-off-by: Michael Baum <michaelba at nvidia.com>
---
app/test-pmd/cmdline_flow.c | 66 ++++++++++++++++++++++++++++++
app/test-pmd/config.c | 18 +++++++-
doc/guides/prog_guide/rte_flow.rst | 25 +++++++++--
lib/ethdev/rte_flow.h | 27 ++++++++++++
4 files changed, 132 insertions(+), 4 deletions(-)
diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index 4fb90a92cb..a315fd9ded 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -583,6 +583,9 @@ enum index {
ACTION_SET_IPV6_DSCP_VALUE,
ACTION_AGE,
ACTION_AGE_TIMEOUT,
+ ACTION_AGE_UPDATE,
+ ACTION_AGE_UPDATE_TIMEOUT,
+ ACTION_AGE_UPDATE_TOUCH,
ACTION_SAMPLE,
ACTION_SAMPLE_RATIO,
ACTION_SAMPLE_INDEX,
@@ -1869,6 +1872,7 @@ static const enum index next_action[] = {
ACTION_SET_IPV4_DSCP,
ACTION_SET_IPV6_DSCP,
ACTION_AGE,
+ ACTION_AGE_UPDATE,
ACTION_SAMPLE,
ACTION_INDIRECT,
ACTION_MODIFY_FIELD,
@@ -2113,6 +2117,14 @@ static const enum index action_age[] = {
ZERO,
};
+static const enum index action_age_update[] = {
+ ACTION_AGE_UPDATE,
+ ACTION_AGE_UPDATE_TIMEOUT,
+ ACTION_AGE_UPDATE_TOUCH,
+ ACTION_NEXT,
+ ZERO,
+};
+
static const enum index action_sample[] = {
ACTION_SAMPLE,
ACTION_SAMPLE_RATIO,
@@ -2191,6 +2203,9 @@ static int parse_vc_spec(struct context *, const struct token *,
const char *, unsigned int, void *, unsigned int);
static int parse_vc_conf(struct context *, const struct token *,
const char *, unsigned int, void *, unsigned int);
+static int parse_vc_conf_timeout(struct context *, const struct token *,
+ const char *, unsigned int, void *,
+ unsigned int);
static int parse_vc_item_ecpri_type(struct context *, const struct token *,
const char *, unsigned int,
void *, unsigned int);
@@ -6194,6 +6209,30 @@ static const struct token token_list[] = {
.next = NEXT(action_age, NEXT_ENTRY(COMMON_UNSIGNED)),
.call = parse_vc_conf,
},
+ [ACTION_AGE_UPDATE] = {
+ .name = "age_update",
+ .help = "update aging parameter",
+ .next = NEXT(action_age_update),
+ .priv = PRIV_ACTION(AGE,
+ sizeof(struct rte_flow_update_age)),
+ .call = parse_vc,
+ },
+ [ACTION_AGE_UPDATE_TIMEOUT] = {
+ .name = "timeout",
+ .help = "age timeout update value",
+ .args = ARGS(ARGS_ENTRY_BF(struct rte_flow_update_age,
+ timeout, 24)),
+ .next = NEXT(action_age_update, NEXT_ENTRY(COMMON_UNSIGNED)),
+ .call = parse_vc_conf_timeout,
+ },
+ [ACTION_AGE_UPDATE_TOUCH] = {
+ .name = "touch",
+ .help = "this flow is touched",
+ .next = NEXT(action_age_update, NEXT_ENTRY(COMMON_BOOLEAN)),
+ .args = ARGS(ARGS_ENTRY_BF(struct rte_flow_update_age,
+ touch, 1)),
+ .call = parse_vc_conf,
+ },
[ACTION_SAMPLE] = {
.name = "sample",
.help = "set a sample action",
@@ -7031,6 +7070,33 @@ parse_vc_conf(struct context *ctx, const struct token *token,
return len;
}
+/** Parse action configuration field. */
+static int
+parse_vc_conf_timeout(struct context *ctx, const struct token *token,
+ const char *str, unsigned int len,
+ void *buf, unsigned int size)
+{
+ struct buffer *out = buf;
+ struct rte_flow_update_age *update;
+
+ (void)size;
+ if (ctx->curr != ACTION_AGE_UPDATE_TIMEOUT)
+ return -1;
+ /* Token name must match. */
+ if (parse_default(ctx, token, str, len, NULL, 0) < 0)
+ return -1;
+ /* Nothing else to do if there is no buffer. */
+ if (!out)
+ return len;
+ /* Point to selected object. */
+ ctx->object = out->args.vc.data;
+ ctx->objmask = NULL;
+ /* Update the timeout is valid. */
+ update = (struct rte_flow_update_age *)out->args.vc.data;
+ update->timeout_valid = 1;
+ return len;
+}
+
/** Parse eCPRI common header type field. */
static int
parse_vc_item_ecpri_type(struct context *ctx, const struct token *token,
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 31952467fb..45495385d7 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -2065,6 +2065,7 @@ port_action_handle_update(portid_t port_id, uint32_t id,
if (!pia)
return -EINVAL;
switch (pia->type) {
+ case RTE_FLOW_ACTION_TYPE_AGE:
case RTE_FLOW_ACTION_TYPE_CONNTRACK:
update = action->conf;
break;
@@ -2904,6 +2905,8 @@ port_queue_action_handle_update(portid_t port_id,
struct rte_port *port;
struct rte_flow_error error;
struct rte_flow_action_handle *action_handle;
+ struct port_indirect_action *pia;
+ const void *update;
action_handle = port_action_handle_get_by_id(port_id, id);
if (!action_handle)
@@ -2915,8 +2918,21 @@ port_queue_action_handle_update(portid_t port_id,
return -EINVAL;
}
+ pia = action_get_by_id(port_id, id);
+ if (!pia)
+ return -EINVAL;
+
+ switch (pia->type) {
+ case RTE_FLOW_ACTION_TYPE_AGE:
+ update = action->conf;
+ break;
+ default:
+ update = action;
+ break;
+ }
+
if (rte_flow_async_action_handle_update(port_id, queue_id, &attr,
- action_handle, action, NULL, &error)) {
+ action_handle, update, NULL, &error)) {
return port_flow_complain(&error);
}
printf("Indirect action #%u update queued\n", id);
diff --git a/doc/guides/prog_guide/rte_flow.rst b/doc/guides/prog_guide/rte_flow.rst
index 588914b231..dae9121279 100644
--- a/doc/guides/prog_guide/rte_flow.rst
+++ b/doc/guides/prog_guide/rte_flow.rst
@@ -2958,7 +2958,7 @@ Otherwise, RTE_FLOW_ERROR_TYPE_ACTION error will be returned.
Action: ``AGE``
^^^^^^^^^^^^^^^
-Set ageing timeout configuration to a flow.
+Set aging timeout configuration to a flow.
Event RTE_ETH_EVENT_FLOW_AGED will be reported if
timeout passed without any matching on the flow.
@@ -2977,8 +2977,8 @@ timeout passed without any matching on the flow.
| ``context`` | user input flow context |
+--------------+---------------------------------+
-Query structure to retrieve ageing status information of a
-shared AGE action, or a flow rule using the AGE action:
+Query structure to retrieve aging status information of an
+indirect AGE action, or a flow rule using the AGE action:
.. _table_rte_flow_query_age:
@@ -2994,6 +2994,25 @@ shared AGE action, or a flow rule using the AGE action:
| ``sec_since_last_hit`` | out | Seconds since last traffic hit |
+------------------------------+-----+----------------------------------------+
+Update structure to modify the parameters of an indirect AGE action.
+The update structure is used by ``rte_flow_action_handle_update()`` function.
+
+.. _table_rte_flow_update_age:
+
+.. table:: AGE update
+
+ +-------------------+--------------------------------------------------------------+
+ | Field | Value |
+ +===================+==============================================================+
+ | ``timeout`` | 24 bits timeout value |
+ +-------------------+--------------------------------------------------------------+
+ | ``timeout_valid`` | 1 bit, timeout value is valid |
+ +-------------------+--------------------------------------------------------------+
+ | ``touch`` | 1 bit, touch the AGE action to set ``sec_since_last_hit`` 0 |
+ +-------------------+--------------------------------------------------------------+
+ | ``reserved`` | 6 bits reserved, must be zero |
+ +-------------------+--------------------------------------------------------------+
+
Action: ``SAMPLE``
^^^^^^^^^^^^^^^^^^
diff --git a/lib/ethdev/rte_flow.h b/lib/ethdev/rte_flow.h
index d830b02321..a21d437cf8 100644
--- a/lib/ethdev/rte_flow.h
+++ b/lib/ethdev/rte_flow.h
@@ -2954,6 +2954,33 @@ struct rte_flow_query_age {
uint32_t sec_since_last_hit:24; /**< Seconds since last traffic hit. */
};
+/**
+ * @warning
+ * @b EXPERIMENTAL: this structure may change without prior notice
+ *
+ * RTE_FLOW_ACTION_TYPE_AGE
+ *
+ * Update indirect AGE action attributes:
+ * - Timeout can be updated including stop/start action:
+ * +-------------+-------------+------------------------------+
+ * | Old Timeout | New Timeout | Updating |
+ * +=============+=============+==============================+
+ * | 0 | positive | Start aging with new value |
+ * +-------------+-------------+------------------------------+
+ * | positive | 0 | Stop aging |
+ * +-------------+-------------+------------------------------+
+ * | positive | positive | Change timeout to new value |
+ * +-------------+-------------+------------------------------+
+ * - sec_since_last_hit can be reset.
+ */
+struct rte_flow_update_age {
+ uint32_t reserved:6; /**< Reserved, must be zero. */
+ uint32_t timeout_valid:1; /**< The timeout is valid for update. */
+ uint32_t timeout:24; /**< Time in seconds. */
+ uint32_t touch:1;
+ /**< Means that aging should assume packet passed the aging. */
+};
+
/**
* @warning
* @b EXPERIMENTAL: this structure may change without prior notice
--
2.25.1
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