From: Matan Azrad <matan@nvidia.com>
To: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
Cc: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v2 8/9] net/mlx5: support shared age action
Date: Sun, 1 Nov 2020 17:57:51 +0000 [thread overview]
Message-ID: <1604253472-213766-9-git-send-email-matan@nvidia.com> (raw)
In-Reply-To: <1604253472-213766-1-git-send-email-matan@nvidia.com>
Add support for rte_flow shared action API for ASO age action.
First step here to support validate, create, query and destroy.
The support is only for age ASO mode.
Signed-off-by: Matan Azrad <matan@nvidia.com>
Acked-by: Dekel Peled <dekelp@nvidia.com>
---
drivers/net/mlx5/mlx5.h | 1 +
drivers/net/mlx5/mlx5_defs.h | 2 +-
drivers/net/mlx5/mlx5_flow.c | 61 ++++++++++++++--
drivers/net/mlx5/mlx5_flow.h | 11 +++
drivers/net/mlx5/mlx5_flow_dv.c | 155 +++++++++++++++++++++++++++++-----------
5 files changed, 181 insertions(+), 49 deletions(-)
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index 2bc47d8..a156e5c 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -524,6 +524,7 @@ struct mlx5_aso_sq {
struct mlx5_aso_age_action {
LIST_ENTRY(mlx5_aso_age_action) next;
void *dr_action;
+ uint32_t refcnt;
/* Following fields relevant only when action is active. */
uint16_t offset; /* Offset of ASO Flow Hit flag in DevX object. */
struct mlx5_age_param age_params;
diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h
index 2657081..4980352 100644
--- a/drivers/net/mlx5/mlx5_defs.h
+++ b/drivers/net/mlx5/mlx5_defs.h
@@ -197,7 +197,7 @@
#define MLX5_HAIRPIN_JUMBO_LOG_SIZE (14 + 2)
/* Maximum number of shared actions supported by rte_flow */
-#define MLX5_MAX_SHARED_ACTIONS 1
+#define MLX5_MAX_SHARED_ACTIONS 2
/* Definition of static_assert found in /usr/include/assert.h */
#ifndef HAVE_STATIC_ASSERT
diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index b08ee30..c0a2a04 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -3266,6 +3266,29 @@ struct mlx5_flow_tunnel_info {
return NULL;
}
+/**
+ * Get ASO age action by index.
+ *
+ * @param[in] dev
+ * Pointer to the Ethernet device structure.
+ * @param[in] age_idx
+ * Index to the ASO age action.
+ *
+ * @return
+ * The specified ASO age action.
+ */
+struct mlx5_aso_age_action*
+flow_aso_age_get_by_idx(struct rte_eth_dev *dev, uint32_t age_idx)
+{
+ uint16_t pool_idx = age_idx & UINT16_MAX;
+ uint16_t offset = (age_idx >> 16) & UINT16_MAX;
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_aso_age_mng *mng = priv->sh->aso_age_mng;
+ struct mlx5_aso_age_pool *pool = mng->pools[pool_idx];
+
+ return &pool->actions[offset - 1];
+}
+
/* maps shared action to translated non shared in some actions array */
struct mlx5_translated_shared_action {
struct rte_flow_shared_action *action; /**< Shared action */
@@ -3353,6 +3376,15 @@ struct mlx5_translated_shared_action {
translated[shared->index].conf =
&shared_rss->origin;
break;
+ case MLX5_SHARED_ACTION_TYPE_AGE:
+ if (priv->sh->flow_hit_aso_en) {
+ translated[shared->index].type =
+ MLX5_RTE_FLOW_ACTION_TYPE_AGE;
+ translated[shared->index].conf =
+ (void *)(uintptr_t)idx;
+ break;
+ }
+ /* Fall-through */
default:
mlx5_free(translated);
return rte_flow_error_set
@@ -7273,6 +7305,25 @@ struct mlx5_meter_domains_infos *
return fops->action_update(dev, action, action_conf, error);
}
+/* Wrapper for driver action_destroy op callback */
+static int
+flow_drv_action_query(struct rte_eth_dev *dev,
+ const struct rte_flow_shared_action *action,
+ void *data,
+ const struct mlx5_flow_driver_ops *fops,
+ struct rte_flow_error *error)
+{
+ static const char err_msg[] = "shared action query unsupported";
+
+ if (!fops->action_query) {
+ DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
+ rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, err_msg);
+ return -rte_errno;
+ }
+ return fops->action_query(dev, action, data, error);
+}
+
/**
* Create shared action for reuse in multiple flow rules.
*
@@ -7375,11 +7426,11 @@ struct mlx5_meter_domains_infos *
void *data,
struct rte_flow_error *error)
{
- (void)dev;
- (void)action;
- (void)data;
- return rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
- NULL, "action type query not supported");
+ struct rte_flow_attr attr = { .transfer = 0 };
+ const struct mlx5_flow_driver_ops *fops =
+ flow_get_drv_ops(flow_get_drv_type(dev, &attr));
+
+ return flow_drv_action_query(dev, action, data, fops, error);
}
/**
diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h
index b77df50..58185fb 100644
--- a/drivers/net/mlx5/mlx5_flow.h
+++ b/drivers/net/mlx5/mlx5_flow.h
@@ -36,12 +36,14 @@ enum mlx5_rte_flow_action_type {
MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
MLX5_RTE_FLOW_ACTION_TYPE_DEFAULT_MISS,
MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET,
+ MLX5_RTE_FLOW_ACTION_TYPE_AGE,
};
#define MLX5_SHARED_ACTION_TYPE_OFFSET 30
enum {
MLX5_SHARED_ACTION_TYPE_RSS,
+ MLX5_SHARED_ACTION_TYPE_AGE,
};
/* Matches on selected register. */
@@ -1165,10 +1167,16 @@ typedef int (*mlx5_flow_action_update_t)
struct rte_flow_shared_action *action,
const void *action_conf,
struct rte_flow_error *error);
+typedef int (*mlx5_flow_action_query_t)
+ (struct rte_eth_dev *dev,
+ const struct rte_flow_shared_action *action,
+ void *data,
+ struct rte_flow_error *error);
typedef int (*mlx5_flow_sync_domain_t)
(struct rte_eth_dev *dev,
uint32_t domains,
uint32_t flags);
+
struct mlx5_flow_driver_ops {
mlx5_flow_validate_t validate;
mlx5_flow_prepare_t prepare;
@@ -1189,6 +1197,7 @@ struct mlx5_flow_driver_ops {
mlx5_flow_action_create_t action_create;
mlx5_flow_action_destroy_t action_destroy;
mlx5_flow_action_update_t action_update;
+ mlx5_flow_action_query_t action_query;
mlx5_flow_sync_domain_t sync_domain;
};
@@ -1457,4 +1466,6 @@ struct mlx5_cache_entry *flow_dv_dest_array_create_cb
struct mlx5_cache_entry *entry, void *cb_ctx);
void flow_dv_dest_array_remove_cb(struct mlx5_cache_list *list,
struct mlx5_cache_entry *entry);
+struct mlx5_aso_age_action *flow_aso_age_get_by_idx(struct rte_eth_dev *dev,
+ uint32_t age_idx);
#endif /* RTE_PMD_MLX5_FLOW_H_ */
diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index be93ba9..d60626c 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -5926,6 +5926,10 @@ struct mlx5_hlist_entry *
/* Meter action will add one more TAG action. */
rw_act_num += MLX5_ACT_NUM_SET_TAG;
break;
+ case MLX5_RTE_FLOW_ACTION_TYPE_AGE:
+ action_flags |= MLX5_FLOW_ACTION_AGE;
+ ++actions_n;
+ break;
case RTE_FLOW_ACTION_TYPE_AGE:
ret = flow_dv_validate_action_age(action_flags,
actions, dev,
@@ -9241,29 +9245,6 @@ struct mlx5_cache_entry *
}
/**
- * Get ASO age action by index.
- *
- * @param[in] dev
- * Pointer to the Ethernet device structure.
- * @param[in] age_idx
- * Index to the ASO age action.
- *
- * @return
- * The specified ASO age action.
- */
-static struct mlx5_aso_age_action*
-flow_dv_aso_age_get_by_idx(struct rte_eth_dev *dev, uint32_t age_idx)
-{
- uint16_t pool_idx = age_idx & UINT16_MAX;
- uint16_t offset = (age_idx >> 16) & UINT16_MAX;
- struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_aso_age_mng *mng = priv->sh->aso_age_mng;
- struct mlx5_aso_age_pool *pool = mng->pools[pool_idx];
-
- return &pool->actions[offset - 1];
-}
-
-/**
* Remove an ASO age action from age actions list.
*
* @param[in] dev
@@ -9295,18 +9276,35 @@ struct mlx5_cache_entry *
}
}
-static void
+/**
+ * Release an ASO age action.
+ *
+ * @param[in] dev
+ * Pointer to the Ethernet device structure.
+ * @param[in] age_idx
+ * Index of ASO age action to release.
+ * @param[in] flow
+ * True if the release operation is during flow destroy operation.
+ * False if the release operation is during action destroy operation.
+ *
+ * @return
+ * 0 when age action was removed, otherwise the number of references.
+ */
+static int
flow_dv_aso_age_release(struct rte_eth_dev *dev, uint32_t age_idx)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_age_mng *mng = priv->sh->aso_age_mng;
- struct mlx5_aso_age_action *age = flow_dv_aso_age_get_by_idx(dev,
- age_idx);
+ struct mlx5_aso_age_action *age = flow_aso_age_get_by_idx(dev, age_idx);
+ uint32_t ret = __atomic_sub_fetch(&age->refcnt, 1, __ATOMIC_RELAXED);
- flow_dv_aso_age_remove_from_age(dev, age);
- rte_spinlock_lock(&mng->free_sl);
- LIST_INSERT_HEAD(&mng->free, age, next);
- rte_spinlock_unlock(&mng->free_sl);
+ if (!ret) {
+ flow_dv_aso_age_remove_from_age(dev, age);
+ rte_spinlock_lock(&mng->free_sl);
+ LIST_INSERT_HEAD(&mng->free, age, next);
+ rte_spinlock_unlock(&mng->free_sl);
+ }
+ return ret;
}
/**
@@ -9450,6 +9448,7 @@ struct mlx5_cache_entry *
return 0; /* 0 is an error.*/
}
}
+ __atomic_store_n(&age_free->refcnt, 1, __ATOMIC_RELAXED);
return pool->index | ((age_free->offset + 1) << 16);
}
@@ -9469,12 +9468,12 @@ struct mlx5_cache_entry *
const struct rte_flow_action_age *age)
{
uint32_t age_idx = 0;
- struct mlx5_aso_age_action *aso_age = NULL;
+ struct mlx5_aso_age_action *aso_age;
age_idx = flow_dv_aso_age_alloc(dev);
if (!age_idx)
return 0;
- aso_age = flow_dv_aso_age_get_by_idx(dev, age_idx);
+ aso_age = flow_aso_age_get_by_idx(dev, age_idx);
aso_age->age_params.context = age->context;
aso_age->age_params.timeout = age->timeout;
aso_age->age_params.port_id = dev->data->port_id;
@@ -9638,6 +9637,7 @@ struct mlx5_cache_entry *
const uint8_t *rss_key;
const struct rte_flow_action_meter *mtr;
struct mlx5_flow_tbl_resource *tbl;
+ struct mlx5_aso_age_action *age_act;
uint32_t port_id = 0;
struct mlx5_flow_dv_port_id_action_resource port_id_resource;
int action_type = actions->type;
@@ -9774,6 +9774,14 @@ struct mlx5_cache_entry *
action_flags |= MLX5_FLOW_ACTION_RSS;
dev_flow->handle->fate_action = MLX5_FLOW_FATE_QUEUE;
break;
+ case MLX5_RTE_FLOW_ACTION_TYPE_AGE:
+ flow->age = (uint32_t)(uintptr_t)(action->conf);
+ age_act = flow_aso_age_get_by_idx(dev, flow->age);
+ __atomic_fetch_add(&age_act->refcnt, 1,
+ __ATOMIC_RELAXED);
+ dev_flow->dv.actions[actions_n++] = age_act->dr_action;
+ action_flags |= MLX5_FLOW_ACTION_AGE;
+ break;
case RTE_FLOW_ACTION_TYPE_AGE:
if (priv->sh->flow_hit_aso_en) {
flow->age = flow_dv_translate_create_aso_age
@@ -9785,7 +9793,7 @@ struct mlx5_cache_entry *
NULL,
"can't create age action");
dev_flow->dv.actions[actions_n++] =
- (flow_dv_aso_age_get_by_idx
+ (flow_aso_age_get_by_idx
(dev, flow->age))->dr_action;
action_flags |= MLX5_FLOW_ACTION_AGE;
break;
@@ -11441,6 +11449,19 @@ struct mlx5_cache_entry *
idx = (MLX5_SHARED_ACTION_TYPE_RSS <<
MLX5_SHARED_ACTION_TYPE_OFFSET) | ret;
break;
+ case RTE_FLOW_ACTION_TYPE_AGE:
+ ret = flow_dv_translate_create_aso_age(dev, action->conf);
+ idx = (MLX5_SHARED_ACTION_TYPE_AGE <<
+ MLX5_SHARED_ACTION_TYPE_OFFSET) | ret;
+ if (ret) {
+ struct mlx5_aso_age_action *aso_age =
+ flow_aso_age_get_by_idx(dev, ret);
+
+ if (!aso_age->age_params.context)
+ aso_age->age_params.context =
+ (void *)(uintptr_t)idx;
+ }
+ break;
default:
rte_flow_error_set(err, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "action type not supported");
@@ -11478,17 +11499,23 @@ struct mlx5_cache_entry *
switch (type) {
case MLX5_SHARED_ACTION_TYPE_RSS:
- ret = __flow_dv_action_rss_release(dev, idx, error);
- break;
+ return __flow_dv_action_rss_release(dev, idx, error);
+ case MLX5_SHARED_ACTION_TYPE_AGE:
+ ret = flow_dv_aso_age_release(dev, idx);
+ if (ret)
+ /*
+ * In this case, the last flow has a reference will
+ * actually release the age action.
+ */
+ DRV_LOG(DEBUG, "Shared age action %" PRIu32 " was"
+ " released with references %d.", idx, ret);
+ return 0;
default:
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"action type not supported");
}
- if (ret)
- return ret;
- return 0;
}
/**
@@ -11609,9 +11636,41 @@ struct mlx5_cache_entry *
return rte_flow_error_set(err, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
- "action type not supported");
+ "action type update not supported");
+ }
+}
+
+static int
+flow_dv_action_query(struct rte_eth_dev *dev,
+ const struct rte_flow_shared_action *action, void *data,
+ struct rte_flow_error *error)
+{
+ struct mlx5_age_param *age_param;
+ struct rte_flow_query_age *resp;
+ uint32_t act_idx = (uint32_t)(uintptr_t)action;
+ uint32_t type = act_idx >> MLX5_SHARED_ACTION_TYPE_OFFSET;
+ uint32_t idx = act_idx & ((1u << MLX5_SHARED_ACTION_TYPE_OFFSET) - 1);
+
+ switch (type) {
+ case MLX5_SHARED_ACTION_TYPE_AGE:
+ age_param = &flow_aso_age_get_by_idx(dev, idx)->age_params;
+ resp = data;
+ resp->aged = __atomic_load_n(&age_param->state,
+ __ATOMIC_RELAXED) == AGE_TMOUT ?
+ 1 : 0;
+ resp->sec_since_last_hit_valid = !resp->aged;
+ if (resp->sec_since_last_hit_valid)
+ resp->sec_since_last_hit = __atomic_load_n
+ (&age_param->sec_since_last_hit, __ATOMIC_RELAXED);
+ return 0;
+ default:
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "action type query not supported");
}
}
+
/**
* Query a dv flow rule for its statistics via devx.
*
@@ -11692,7 +11751,7 @@ struct mlx5_cache_entry *
if (flow->age) {
struct mlx5_aso_age_action *act =
- flow_dv_aso_age_get_by_idx(dev, flow->age);
+ flow_aso_age_get_by_idx(dev, flow->age);
age_param = &act->age_params;
} else if (flow->counter) {
@@ -12402,14 +12461,23 @@ struct mlx5_cache_entry *
flow_dv_action_validate(struct rte_eth_dev *dev,
const struct rte_flow_shared_action_conf *conf,
const struct rte_flow_action *action,
- struct rte_flow_error *error)
+ struct rte_flow_error *err)
{
+ struct mlx5_priv *priv = dev->data->dev_private;
+
RTE_SET_USED(conf);
switch (action->type) {
case RTE_FLOW_ACTION_TYPE_RSS:
- return mlx5_validate_action_rss(dev, action, error);
+ return mlx5_validate_action_rss(dev, action, err);
+ case RTE_FLOW_ACTION_TYPE_AGE:
+ if (!priv->sh->aso_age_mng)
+ return rte_flow_error_set(err, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "shared age action not supported");
+ return flow_dv_validate_action_age(0, action, dev, err);
default:
- return rte_flow_error_set(error, ENOTSUP,
+ return rte_flow_error_set(err, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"action type not supported");
@@ -12461,6 +12529,7 @@ struct mlx5_cache_entry *
.action_create = flow_dv_action_create,
.action_destroy = flow_dv_action_destroy,
.action_update = flow_dv_action_update,
+ .action_query = flow_dv_action_query,
.sync_domain = flow_dv_sync_domain,
};
--
1.8.3.1
next prev parent reply other threads:[~2020-11-01 18:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-29 21:57 [dpdk-dev] [PATCH 0/8] net/mlx5: support flow hit steering action Matan Azrad
2020-10-29 21:57 ` [dpdk-dev] [PATCH 1/8] common/mlx5: add DevX API to create ASO flow hit object Matan Azrad
2020-10-29 21:57 ` [dpdk-dev] [PATCH 2/8] common/mlx5: use general object type for cap index Matan Azrad
2020-10-29 21:57 ` [dpdk-dev] [PATCH 3/8] common/mlx5: add read ASO flow hit HCA capability Matan Azrad
2020-10-29 21:57 ` [dpdk-dev] [PATCH 4/8] common/mlx5: add glue func create flow hit action Matan Azrad
2020-10-29 21:57 ` [dpdk-dev] [PATCH 5/8] common/mlx5: add definitions for ASO flow hit Matan Azrad
2020-10-29 21:57 ` [dpdk-dev] [PATCH 6/8] net/mlx5: support flow hit action for aging Matan Azrad
2020-10-29 21:58 ` [dpdk-dev] [PATCH 7/8] net/mlx5: optimize shared RSS action memory Matan Azrad
2020-10-29 21:58 ` [dpdk-dev] [PATCH 8/8] net/mlx5: support shared age action Matan Azrad
2020-11-01 17:57 ` [dpdk-dev] [PATCH v2 0/9] net/mlx5: support flow hit steering action Matan Azrad
2020-11-01 17:57 ` [dpdk-dev] [PATCH v2 1/9] common/mlx5: add DevX API to create ASO flow hit object Matan Azrad
2020-11-01 17:57 ` [dpdk-dev] [PATCH v2 2/9] common/mlx5: use general object type for cap index Matan Azrad
2020-11-01 17:57 ` [dpdk-dev] [PATCH v2 3/9] common/mlx5: add read ASO flow hit HCA capability Matan Azrad
2020-11-01 17:57 ` [dpdk-dev] [PATCH v2 4/9] common/mlx5: add glue func create flow hit action Matan Azrad
2020-11-01 17:57 ` [dpdk-dev] [PATCH v2 5/9] common/mlx5: add definitions for ASO flow hit Matan Azrad
2020-11-01 17:57 ` [dpdk-dev] [PATCH v2 6/9] net/mlx5: support flow hit action for aging Matan Azrad
2020-11-01 17:57 ` [dpdk-dev] [PATCH v2 7/9] net/mlx5: optimize shared RSS action memory Matan Azrad
2020-11-01 17:57 ` Matan Azrad [this message]
2020-11-02 6:16 ` [dpdk-dev] [PATCH v2 8/9] net/mlx5: support shared age action Matan Azrad
2020-11-02 9:33 ` Raslan Darawsheh
2020-11-01 17:57 ` [dpdk-dev] [PATCH v2 9/9] net/mlx5: allow age modes combination Matan Azrad
2020-11-02 11:10 ` [dpdk-dev] [PATCH v2 0/9] net/mlx5: support flow hit steering action Raslan Darawsheh
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