This commits adds matching on source port, using DV API.
Signed-off-by: Ori Kam <or...@mellanox.com>
---
v2:
* Address ML comments.
---
drivers/net/mlx5/mlx5.h | 2 +
drivers/net/mlx5/mlx5_flow.h | 12 ++++
drivers/net/mlx5/mlx5_flow_dv.c | 149 ++++++++++++++++++++++++++++++++++++++++
drivers/net/mlx5/mlx5_glue.c | 14 ++++
drivers/net/mlx5/mlx5_glue.h | 1 +
5 files changed, 178 insertions(+)
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index dd22bb6..4b6dbc2 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -281,6 +281,8 @@ struct mlx5_ibv_shared {
LIST_HEAD(modify_cmd, mlx5_flow_dv_modify_hdr_resource) modify_cmds;
LIST_HEAD(tag, mlx5_flow_dv_tag_resource) tags;
LIST_HEAD(jump, mlx5_flow_dv_jump_tbl_resource) jump_tbl;
+ LIST_HEAD(port_id_action_list, mlx5_flow_dv_port_id_action_resource)
+ port_id_action_list; /* List of port ID actions. */
/* Shared interrupt handler section. */
pthread_mutex_t intr_mutex; /* Interrupt config mutex. */
uint32_t intr_cnt; /* Interrupt handler reference counter. */
diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h
index 9d72024..c419e6b 100644
--- a/drivers/net/mlx5/mlx5_flow.h
+++ b/drivers/net/mlx5/mlx5_flow.h
@@ -267,6 +267,16 @@ struct mlx5_flow_dv_jump_tbl_resource {
struct mlx5_flow_tbl_resource *tbl; /**< The target table. */
};
+/* Port ID resource structure. */
+struct mlx5_flow_dv_port_id_action_resource {
+ LIST_ENTRY(mlx5_flow_dv_port_id_action_resource) next;
+ /* Pointer to next element. */
+ rte_atomic32_t refcnt; /**< Reference counter. */
+ void *action;
+ /**< Verbs tag action object. */
+ uint32_t port_id; /**< Port ID value. */
+};
+
/*
* Max number of actions per DV flow.
* See CREATE_FLOW_MAX_FLOW_ACTIONS_SUPPORTED
@@ -289,6 +299,8 @@ struct mlx5_flow_dv {
struct ibv_flow *flow; /**< Installed flow. */
struct mlx5_flow_dv_jump_tbl_resource *jump;
/**< Pointer to the jump action resource. */
+ struct mlx5_flow_dv_port_id_action_resource *port_id_action;
+ /**< Pointer to port ID action resource. */
#ifdef HAVE_IBV_FLOW_DV_SUPPORT
void *actions[MLX5_DV_MAX_NUMBER_OF_ACTIONS];
/**< Action list. */
diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index 182abb3..9c5826c 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -1054,6 +1054,70 @@ struct field_modify_info modify_tcp[] = {
}
/**
+ * Find existing table port ID resource or create and register a new one.
+ *
+ * @param dev[in, out]
+ * Pointer to rte_eth_dev structure.
+ * @param[in, out] resource
+ * Pointer to port ID action resource.
+ * @parm[in, out] dev_flow
+ * Pointer to the dev_flow.
+ * @param[out] error
+ * pointer to error structure.
+ *
+ * @return
+ * 0 on success otherwise -errno and errno is set.
+ */
+static int
+flow_dv_port_id_action_resource_register
+ (struct rte_eth_dev *dev,
+ struct mlx5_flow_dv_port_id_action_resource *resource,
+ struct mlx5_flow *dev_flow,
+ struct rte_flow_error *error)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ibv_shared *sh = priv->sh;
+ struct mlx5_flow_dv_port_id_action_resource *cache_resource;
+
+ /* Lookup a matching resource from cache. */
+ LIST_FOREACH(cache_resource, &sh->port_id_action_list, next) {
+ if (resource->port_id == cache_resource->port_id) {
+ DRV_LOG(DEBUG, "port id action resource resource %p: "
+ "refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ rte_atomic32_inc(&cache_resource->refcnt);
+ dev_flow->dv.port_id_action = cache_resource;
+ return 0;
+ }
+ }
+ /* Register new port id action resource. */
+ cache_resource = rte_calloc(__func__, 1, sizeof(*cache_resource), 0);
+ if (!cache_resource)
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "cannot allocate resource memory");
+ *cache_resource = *resource;
+ cache_resource->action =
+ mlx5_glue->dr_create_flow_action_dest_vport(priv->sh->fdb_ns,
+ resource->port_id);
+ if (!cache_resource->action) {
+ rte_free(cache_resource);
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "cannot create action");
+ }
+ rte_atomic32_init(&cache_resource->refcnt);
+ rte_atomic32_inc(&cache_resource->refcnt);
+ LIST_INSERT_HEAD(&sh->port_id_action_list, cache_resource, next);
+ dev_flow->dv.port_id_action = cache_resource;
+ DRV_LOG(DEBUG, "new port id action resource %p: refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ return 0;
+}
+
+/**
* Get the size of specific rte_flow_item_type
*
* @param[in] item_type
@@ -3456,6 +3520,44 @@ struct field_modify_info modify_tcp[] = {
}
/**
+ * Translate port ID action to vport.
+ *
+ * @param[in] dev
+ * Pointer to rte_eth_dev structure.
+ * @param[in] action
+ * Pointer to the port ID action.
+ * @param[out] dst_port_id
+ * The target port ID.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_translate_action_port_id(struct rte_eth_dev *dev,
+ const struct rte_flow_action *action,
+ uint32_t *dst_port_id,
+ struct rte_flow_error *error)
+{
+ uint32_t port;
+ uint16_t port_id;
+ int ret;
+ const struct rte_flow_action_port_id *conf =
+ (const struct rte_flow_action_port_id *)action->conf;
+
+ port = conf->original ? dev->data->port_id : conf->id;
+ ret = mlx5_port_to_eswitch_info(port, NULL, &port_id);
+ if (ret)
+ return rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "No eswitch info was found for port");
+ *dst_port_id = port_id;
+ return 0;
+}
+
+/**
* Fill the flow with DV spec.
*
* @param[in] dev
@@ -3513,10 +3615,24 @@ struct field_modify_info modify_tcp[] = {
const struct rte_flow_action_jump *jump_data;
struct mlx5_flow_dv_jump_tbl_resource jump_tbl_resource;
struct mlx5_flow_tbl_resource *tbl;
+ uint32_t port_id = 0;
+ struct mlx5_flow_dv_port_id_action_resource port_id_resource;
switch (actions->type) {
case RTE_FLOW_ACTION_TYPE_VOID:
break;
+ case RTE_FLOW_ACTION_TYPE_PORT_ID:
+ if (flow_dv_translate_action_port_id(dev, action,
+ &port_id, error))
+ return -rte_errno;
+ port_id_resource.port_id = port_id;
+ if (flow_dv_port_id_action_resource_register
+ (dev, &port_id_resource, dev_flow, error))
+ return -rte_errno;
+ dev_flow->dv.actions[actions_n++] =
+ dev_flow->dv.port_id_action->action;
+ action_flags |= MLX5_FLOW_ACTION_PORT_ID;
+ break;
case RTE_FLOW_ACTION_TYPE_FLAG:
tag_resource.tag =
mlx5_flow_mark_set(MLX5_FLOW_MARK_DEFAULT);
@@ -4116,6 +4232,37 @@ struct field_modify_info modify_tcp[] = {
}
/**
+ * Release port ID action resource.
+ *
+ * @param flow
+ * Pointer to mlx5_flow.
+ *
+ * @return
+ * 1 while a reference on it exists, 0 when freed.
+ */
+static int
+flow_dv_port_id_action_resource_release(struct mlx5_flow *flow)
+{
+ struct mlx5_flow_dv_port_id_action_resource *cache_resource =
+ flow->dv.port_id_action;
+
+ assert(cache_resource->action);
+ DRV_LOG(DEBUG, "port ID action resource %p: refcnt %d--",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
+ claim_zero(mlx5_glue->destroy_flow_action
+ (cache_resource->action));
+ LIST_REMOVE(cache_resource, next);
+ rte_free(cache_resource);
+ DRV_LOG(DEBUG, "port id action resource %p: removed",
+ (void *)cache_resource);
+ return 0;
+ }
+ return 1;
+}
+
+/**
* Remove the flow from the NIC but keeps it in memory.
*
* @param[in] dev
@@ -4182,6 +4329,8 @@ struct field_modify_info modify_tcp[] = {
flow_dv_modify_hdr_resource_release(dev_flow);
if (dev_flow->dv.jump)
flow_dv_jump_tbl_resource_release(dev_flow);
+ if (dev_flow->dv.port_id_action)
+ flow_dv_port_id_action_resource_release(dev_flow);
rte_free(dev_flow);
}
}
diff --git a/drivers/net/mlx5/mlx5_glue.c b/drivers/net/mlx5/mlx5_glue.c
index a508faa..117190f 100644
--- a/drivers/net/mlx5/mlx5_glue.c
+++ b/drivers/net/mlx5/mlx5_glue.c
@@ -382,6 +382,18 @@
}
static void *
+mlx5_glue_dr_create_flow_action_dest_vport(void *ns, uint32_t vport)
+{
+#ifdef HAVE_MLX5DV_DR_ESWITCH
+ return mlx5dv_dr_create_action_dest_vport(ns, vport);
+#else
+ (void)ns;
+ (void)vport;
+ return NULL;
+#endif
+}
+
+static void *
mlx5_glue_dr_create_flow_tbl(void *ns, uint32_t level)
{
#ifdef HAVE_MLX5DV_DR
@@ -847,6 +859,8 @@
.cq_ex_to_cq = mlx5_glue_cq_ex_to_cq,
.dr_create_flow_action_dest_flow_tbl =
mlx5_glue_dr_create_flow_action_dest_flow_tbl,
+ .dr_create_flow_action_dest_vport =
+ mlx5_glue_dr_create_flow_action_dest_vport,
.dr_create_flow_tbl = mlx5_glue_dr_create_flow_tbl,
.dr_destroy_flow_tbl = mlx5_glue_dr_destroy_flow_tbl,
.dr_create_ns = mlx5_glue_dr_create_ns,
diff --git a/drivers/net/mlx5/mlx5_glue.h b/drivers/net/mlx5/mlx5_glue.h
index 058e9b1..26f5cb3 100644
--- a/drivers/net/mlx5/mlx5_glue.h
+++ b/drivers/net/mlx5/mlx5_glue.h
@@ -146,6 +146,7 @@ struct mlx5_glue {
const char *(*port_state_str)(enum ibv_port_state port_state);
struct ibv_cq *(*cq_ex_to_cq)(struct ibv_cq_ex *cq);
void *(*dr_create_flow_action_dest_flow_tbl)(void *tbl);
+ void *(*dr_create_flow_action_dest_vport)(void *ns, uint32_t vport);
void *(*dr_create_flow_tbl)(void *ns, uint32_t level);
int (*dr_destroy_flow_tbl)(void *tbl);
void *(*dr_create_ns)(struct ibv_context *ctx,
--
1.8.3.1
