From patchwork Tue Oct 27 12:27:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suanming Mou X-Patchwork-Id: 82298 X-Patchwork-Delegate: rasland@nvidia.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 1A3B0A04B5; Tue, 27 Oct 2020 13:31:51 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id F30CB5958; Tue, 27 Oct 2020 13:29:04 +0100 (CET) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 2B4272DCC for ; Tue, 27 Oct 2020 13:27:58 +0100 (CET) Received: from Internal Mail-Server by MTLPINE1 (envelope-from suanmingm@nvidia.com) with SMTP; 27 Oct 2020 14:27:54 +0200 Received: from nvidia.com (mtbc-r640-04.mtbc.labs.mlnx [10.75.70.9]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 09RCRZ78024637; Tue, 27 Oct 2020 14:27:53 +0200 From: Suanming Mou To: Matan Azrad , Shahaf Shuler , Viacheslav Ovsiienko Cc: dev@dpdk.org Date: Tue, 27 Oct 2020 20:27:05 +0800 Message-Id: <1603801650-442376-11-git-send-email-suanmingm@nvidia.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1603801650-442376-1-git-send-email-suanmingm@nvidia.com> References: <1601984948-313027-1-git-send-email-suanmingm@nvidia.com> <1603801650-442376-1-git-send-email-suanmingm@nvidia.com> Subject: [dpdk-dev] [PATCH v3 10/34] net/mlx5: create global default miss action X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This commit creates the global default miss action instead of maintain it in flow insertion time. This makes the action to be thread safe. Signed-off-by: Suanming Mou Acked-by: Matan Azrad --- drivers/net/mlx5/linux/mlx5_os.c | 7 ++++ drivers/net/mlx5/mlx5.h | 9 +--- drivers/net/mlx5/mlx5_flow_dv.c | 88 +++------------------------------------- 3 files changed, 13 insertions(+), 91 deletions(-) diff --git a/drivers/net/mlx5/linux/mlx5_os.c b/drivers/net/mlx5/linux/mlx5_os.c index a579dde..ae735a3 100644 --- a/drivers/net/mlx5/linux/mlx5_os.c +++ b/drivers/net/mlx5/linux/mlx5_os.c @@ -305,6 +305,10 @@ } sh->pop_vlan_action = mlx5_glue->dr_create_flow_action_pop_vlan(); #endif /* HAVE_MLX5DV_DR */ + sh->default_miss_action = + mlx5_glue->dr_create_flow_action_default_miss(); + if (!sh->default_miss_action) + DRV_LOG(WARNING, "Default miss action is not supported."); return 0; error: /* Rollback the created objects. */ @@ -388,6 +392,9 @@ } pthread_mutex_destroy(&sh->dv_mutex); #endif /* HAVE_MLX5DV_DR */ + if (sh->default_miss_action) + mlx5_glue->destroy_flow_action + (sh->default_miss_action); if (sh->encaps_decaps) { mlx5_hlist_destroy(sh->encaps_decaps, NULL, NULL); sh->encaps_decaps = NULL; diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index 4446be2..057a761 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -464,12 +464,6 @@ struct mlx5_flow_counter_mng { LIST_HEAD(stat_raws, mlx5_counter_stats_raw) free_stat_raws; }; -/* Default miss action resource structure. */ -struct mlx5_flow_default_miss_resource { - void *action; /* Pointer to the rdma-core action. */ - rte_atomic32_t refcnt; /* Default miss action reference counter. */ -}; - #define MLX5_AGE_EVENT_NEW 1 #define MLX5_AGE_TRIGGER 2 #define MLX5_AGE_SET(age_info, BIT) \ @@ -664,8 +658,7 @@ struct mlx5_dev_ctx_shared { uint32_t sample_action_list; /* List of sample actions. */ uint32_t dest_array_list; /* List of destination array actions. */ struct mlx5_flow_counter_mng cmng; /* Counters management structure. */ - struct mlx5_flow_default_miss_resource default_miss; - /* Default miss action resource structure. */ + void *default_miss_action; /* Default miss action. */ struct mlx5_indexed_pool *ipool[MLX5_IPOOL_MAX]; /* Memory Pool for mlx5 flow resources. */ struct mlx5_l3t_tbl *cnt_id_tbl; /* Shared counter lookup table. */ diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c index 767e580..b28cc6d 100644 --- a/drivers/net/mlx5/mlx5_flow_dv.c +++ b/drivers/net/mlx5/mlx5_flow_dv.c @@ -74,9 +74,6 @@ struct mlx5_flow_tbl_resource *tbl); static int -flow_dv_default_miss_resource_release(struct rte_eth_dev *dev); - -static int flow_dv_encap_decap_resource_release(struct rte_eth_dev *dev, uint32_t encap_decap_idx); @@ -2950,42 +2947,6 @@ struct field_modify_info modify_tcp[] = { } /** - * Find existing default miss resource or create and register a new one. - * - * @param[in, out] dev - * Pointer to rte_eth_dev structure. - * @param[out] error - * pointer to error structure. - * - * @return - * 0 on success otherwise -errno and errno is set. - */ -static int -flow_dv_default_miss_resource_register(struct rte_eth_dev *dev, - struct rte_flow_error *error) -{ - struct mlx5_priv *priv = dev->data->dev_private; - struct mlx5_dev_ctx_shared *sh = priv->sh; - struct mlx5_flow_default_miss_resource *cache_resource = - &sh->default_miss; - int cnt = rte_atomic32_read(&cache_resource->refcnt); - - if (!cnt) { - MLX5_ASSERT(cache_resource->action); - cache_resource->action = - mlx5_glue->dr_create_flow_action_default_miss(); - if (!cache_resource->action) - return rte_flow_error_set(error, ENOMEM, - RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, - "cannot create default miss action"); - DRV_LOG(DEBUG, "new default miss resource %p: refcnt %d++", - (void *)cache_resource->action, cnt); - } - rte_atomic32_inc(&cache_resource->refcnt); - return 0; -} - -/** * Find existing table port ID resource or create and register a new one. * * @param[in, out] dev @@ -10384,16 +10345,14 @@ struct field_modify_info modify_tcp[] = { dh->rix_hrxq = hrxq_idx; dv->actions[n++] = hrxq->action; } else if (dh->fate_action == MLX5_FLOW_FATE_DEFAULT_MISS) { - if (flow_dv_default_miss_resource_register - (dev, error)) { + if (!priv->sh->default_miss_action) { rte_flow_error_set (error, rte_errno, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, - "cannot create default miss resource"); - goto error_default_miss; + "default miss action not be created."); + goto error; } - dh->rix_default_fate = MLX5_FLOW_FATE_DEFAULT_MISS; - dv->actions[n++] = priv->sh->default_miss.action; + dv->actions[n++] = priv->sh->default_miss_action; } err = mlx5_flow_os_create_flow(dv_h->matcher->matcher_object, (void *)&dv->value, n, @@ -10418,9 +10377,6 @@ struct field_modify_info modify_tcp[] = { } return 0; error: - if (dh->fate_action == MLX5_FLOW_FATE_DEFAULT_MISS) - flow_dv_default_miss_resource_release(dev); -error_default_miss: err = rte_errno; /* Save rte_errno before cleanup. */ SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles, handle_idx, dh, next) { @@ -10542,36 +10498,6 @@ struct field_modify_info modify_tcp[] = { } /** - * Release a default miss resource. - * - * @param dev - * Pointer to Ethernet device. - * @return - * 1 while a reference on it exists, 0 when freed. - */ -static int -flow_dv_default_miss_resource_release(struct rte_eth_dev *dev) -{ - struct mlx5_priv *priv = dev->data->dev_private; - struct mlx5_dev_ctx_shared *sh = priv->sh; - struct mlx5_flow_default_miss_resource *cache_resource = - &sh->default_miss; - - MLX5_ASSERT(cache_resource->action); - DRV_LOG(DEBUG, "default miss resource %p: refcnt %d--", - (void *)cache_resource->action, - 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)); - DRV_LOG(DEBUG, "default miss resource %p: removed", - (void *)cache_resource->action); - return 0; - } - return 1; -} - -/** * Release a modify-header resource. * * @param dev @@ -10717,9 +10643,6 @@ struct field_modify_info modify_tcp[] = { flow_dv_port_id_action_resource_release(dev, handle->rix_port_id_action); break; - case MLX5_FLOW_FATE_DEFAULT_MISS: - flow_dv_default_miss_resource_release(dev); - break; default: DRV_LOG(DEBUG, "Incorrect fate action:%d", handle->fate_action); break; @@ -10890,8 +10813,7 @@ struct field_modify_info modify_tcp[] = { dh->drv_flow = NULL; } if (dh->fate_action == MLX5_FLOW_FATE_DROP || - dh->fate_action == MLX5_FLOW_FATE_QUEUE || - dh->fate_action == MLX5_FLOW_FATE_DEFAULT_MISS) + dh->fate_action == MLX5_FLOW_FATE_QUEUE) flow_dv_fate_resource_release(dev, dh); if (dh->vf_vlan.tag && dh->vf_vlan.created) mlx5_vlan_vmwa_release(dev, &dh->vf_vlan);