[dpdk-dev] [PATCH 7/9] net/mlx5: add port ID action to Direct Verbs
Yongseok Koh
yskoh at mellanox.com
Thu Apr 18 02:59:41 CEST 2019
On Sun, Apr 14, 2019 at 09:12:35PM +0000, Ori Kam wrote:
> This commits adds the port ID action to DV steering.
Poor title and commit message.
Don't you add translation of the action?
Thanks,
Yongseok
> Signed-off-by: Ori Kam <orika at mellanox.com>
> ---
> 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 8d63575..016984d 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 b4ca9ca..f4b7f06 100644
> --- a/drivers/net/mlx5/mlx5_flow_dv.c
> +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> @@ -1058,6 +1058,70 @@ 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
> @@ -3467,6 +3531,44 @@ 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
> @@ -3524,10 +3626,24 @@ 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);
> @@ -4131,6 +4247,37 @@ 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
> @@ -4197,6 +4344,8 @@ 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
>
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