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{
    "id": 45258,
    "url": "http://patches.dpdk.org/api/patches/45258/",
    "web_url": "http://patches.dpdk.org/patch/45258/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk"
    },
    "msgid": "<20180924231721.15799-11-yskoh@mellanox.com>",
    "date": "2018-09-24T23:17:52",
    "name": "[v3,10/11] net/mlx5: add Direct Verbs final functions",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "61dad709ecd6bda71d4dbd74c00ea7e95e08b9a3",
    "submitter": {
        "id": 636,
        "url": "http://patches.dpdk.org/api/people/636/",
        "name": "Yongseok Koh",
        "email": "yskoh@mellanox.com"
    },
    "delegate": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/users/1/",
        "username": "tmonjalo",
        "first_name": "Thomas",
        "last_name": "Monjalon",
        "email": "thomas@monjalon.net"
    },
    "mbox": "http://patches.dpdk.org/patch/45258/mbox/",
    "series": [
        {
            "id": 1476,
            "url": "http://patches.dpdk.org/api/series/1476/",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=1476",
            "date": "2018-09-24T23:17:33",
            "name": "net/mlx5: add Direct Verbs flow driver support",
            "version": 3,
            "mbox": "http://patches.dpdk.org/series/1476/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/45258/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/45258/checks/",
    "tags": {},
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        "References": "<20180919072143.23211-1-yskoh@mellanox.com>\n\t<20180924231721.15799-1-yskoh@mellanox.com>",
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        "Subject": "[dpdk-dev] [PATCH v3 10/11] net/mlx5: add Direct Verbs final\n\tfunctions",
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        "Date": "Mon, 24 Sep 2018 23:17:52 +0000",
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        "Thread-Topic": "[PATCH v3 10/11] net/mlx5: add Direct Verbs final functions",
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        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "From": "Yongseok Koh <yskoh@mellanox.com>",
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    },
    "content": "From: Ori Kam <orika@mellanox.com>\n\nThis commits add the missing function which are apply, remove, and\ndestroy.\n\nSigned-off-by: Ori Kam <orika@mellanox.com>\nAcked-by: Yongseok Koh <yskoh@mellanox.com>\n---\n drivers/net/mlx5/mlx5_flow.c    |   4 +\n drivers/net/mlx5/mlx5_flow.h    |   2 +\n drivers/net/mlx5/mlx5_flow_dv.c | 192 +++++++++++++++++++++++++++++++++++++++-\n 3 files changed, 194 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c\nindex 5632e31c5..c6c145021 100644\n--- a/drivers/net/mlx5/mlx5_flow.c\n+++ b/drivers/net/mlx5/mlx5_flow.c\n@@ -2489,5 +2489,9 @@ mlx5_dev_filter_ctrl(struct rte_eth_dev *dev,\n void\n mlx5_flow_init_driver_ops(struct rte_eth_dev *dev __rte_unused)\n {\n+#ifdef HAVE_IBV_FLOW_DV_SUPPORT\n+\tmlx5_flow_dv_get_driver_ops(&nic_ops);\n+#else\n \tmlx5_flow_verbs_get_driver_ops(&nic_ops);\n+#endif\n }\ndiff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h\nindex ec860ef4b..53c0eeb56 100644\n--- a/drivers/net/mlx5/mlx5_flow.h\n+++ b/drivers/net/mlx5/mlx5_flow.h\n@@ -189,7 +189,9 @@ struct mlx5_flow {\n \tstruct rte_flow *flow; /**< Pointer to the main flow. */\n \tuint32_t layers; /**< Bit-fields that holds the detected layers. */\n \tunion {\n+#ifdef HAVE_IBV_FLOW_DV_SUPPORT\n \t\tstruct mlx5_flow_dv dv;\n+#endif\n \t\tstruct mlx5_flow_verbs verbs;\n \t};\n };\ndiff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c\nindex 916989988..71af410b2 100644\n--- a/drivers/net/mlx5/mlx5_flow_dv.c\n+++ b/drivers/net/mlx5/mlx5_flow_dv.c\n@@ -2,6 +2,7 @@\n  * Copyright 2018 Mellanox Technologies, Ltd\n  */\n \n+\n #include <sys/queue.h>\n #include <stdalign.h>\n #include <stdint.h>\n@@ -1095,7 +1096,7 @@ flow_dv_matcher_register(struct rte_eth_dev *dev,\n \tif (matcher->egress)\n \t\tdv_attr.flags |= IBV_FLOW_ATTR_FLAGS_EGRESS;\n \tcache->cache.resource =\n-\t\tmlx5dv_create_flow_matcher(priv->ctx, &dv_attr);\n+\t\tmlx5_glue->dv_create_flow_matcher(priv->ctx, &dv_attr);\n \tif (!cache->cache.resource)\n \t\treturn rte_flow_error_set(error, ENOMEM,\n \t\t\t\t\t  RTE_FLOW_ERROR_TYPE_UNSPECIFIED,\n@@ -1168,6 +1169,189 @@ flow_dv_translate(struct rte_eth_dev *dev,\n }\n \n /**\n+ * Apply the flow to the NIC.\n+ *\n+ * @param[in] dev\n+ *   Pointer to the Ethernet device structure.\n+ * @param[in, out] flow\n+ *   Pointer to flow structure.\n+ * @param[out] error\n+ *   Pointer to error structure.\n+ *\n+ * @return\n+ *   0 on success, a negative errno value otherwise and rte_errno is set.\n+ */\n+static int\n+flow_dv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,\n+\t      struct rte_flow_error *error)\n+{\n+\tstruct mlx5_flow_dv *dv;\n+\tstruct mlx5_flow *dev_flow;\n+\tint n;\n+\tint err;\n+\n+\tLIST_FOREACH(dev_flow, &flow->dev_flows, next) {\n+\t\tdv = &dev_flow->dv;\n+\t\tn = dv->actions_n;\n+\t\tif (flow->actions & MLX5_ACTION_DROP) {\n+\t\t\tdv->hrxq = mlx5_hrxq_drop_new(dev);\n+\t\t\tif (!dv->hrxq) {\n+\t\t\t\trte_flow_error_set\n+\t\t\t\t\t(error, errno,\n+\t\t\t\t\t RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,\n+\t\t\t\t\t \"cannot get drop hash queue\");\n+\t\t\t\tgoto error;\n+\t\t\t}\n+\t\t\tdv->actions[n].type = MLX5DV_FLOW_ACTION_DEST_IBV_QP;\n+\t\t\tdv->actions[n].qp = dv->hrxq->qp;\n+\t\t\tn++;\n+\t\t} else {\n+\t\t\tstruct mlx5_hrxq *hrxq;\n+\t\t\thrxq = mlx5_hrxq_get(dev, flow->key,\n+\t\t\t\t\t     MLX5_RSS_HASH_KEY_LEN,\n+\t\t\t\t\t     dv->hash_fields,\n+\t\t\t\t\t     (*flow->queue),\n+\t\t\t\t\t     flow->rss.queue_num);\n+\t\t\tif (!hrxq)\n+\t\t\t\thrxq = mlx5_hrxq_new\n+\t\t\t\t\t(dev, flow->key, MLX5_RSS_HASH_KEY_LEN,\n+\t\t\t\t\t dv->hash_fields, (*flow->queue),\n+\t\t\t\t\t flow->rss.queue_num,\n+\t\t\t\t\t !!(flow->layers &\n+\t\t\t\t\t    MLX5_FLOW_LAYER_TUNNEL));\n+\t\t\tif (!hrxq) {\n+\t\t\t\trte_flow_error_set\n+\t\t\t\t\t(error, rte_errno,\n+\t\t\t\t\t RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,\n+\t\t\t\t\t \"cannot get hash queue\");\n+\t\t\t\tgoto error;\n+\t\t\t}\n+\t\t\tdv->hrxq = hrxq;\n+\t\t\tdv->actions[n].type = MLX5DV_FLOW_ACTION_DEST_IBV_QP;\n+\t\t\tdv->actions[n].qp = hrxq->qp;\n+\t\t\tn++;\n+\t\t}\n+\t\tdv->flow =\n+\t\t\tmlx5_glue->dv_create_flow(dv->matcher->cache.resource,\n+\t\t\t\t\t\t  (void *)&dv->value, n,\n+\t\t\t\t\t\t  dv->actions);\n+\t\tif (!dv->flow) {\n+\t\t\trte_flow_error_set(error, errno,\n+\t\t\t\t\t   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,\n+\t\t\t\t\t   NULL,\n+\t\t\t\t\t   \"hardware refuses to create flow\");\n+\t\t\tgoto error;\n+\t\t}\n+\t}\n+\treturn 0;\n+error:\n+\terr = rte_errno; /* Save rte_errno before cleanup. */\n+\tLIST_FOREACH(dev_flow, &flow->dev_flows, next) {\n+\t\tstruct mlx5_flow_dv *dv = &dev_flow->dv;\n+\t\tif (dv->hrxq) {\n+\t\t\tif (flow->actions & MLX5_FLOW_FATE_DROP)\n+\t\t\t\tmlx5_hrxq_drop_release(dev);\n+\t\t\telse\n+\t\t\t\tmlx5_hrxq_release(dev, dv->hrxq);\n+\t\t\tdv->hrxq = NULL;\n+\t\t}\n+\t}\n+\trte_errno = err; /* Restore rte_errno. */\n+\treturn -rte_errno;\n+}\n+\n+/**\n+ * Release the flow matcher.\n+ *\n+ * @param dev\n+ *   Pointer to Ethernet device.\n+ * @param matcher\n+ *   Pointer to flow matcher.\n+ *\n+ * @return\n+ *   1 while a reference on it exists, 0 when freed.\n+ */\n+static int\n+flow_dv_matcher_release(struct rte_eth_dev *dev,\n+\t\t\tstruct mlx5_flow_dv_matcher *matcher)\n+{\n+\tstruct mlx5_cache *cache = &matcher->cache;\n+\n+\tassert(cache->resource);\n+\tDRV_LOG(DEBUG, \"port %u matcher %p: refcnt %d--\",\n+\t\tdev->data->port_id, (void *)cache,\n+\t\trte_atomic32_read(&cache->refcnt));\n+\tif (rte_atomic32_dec_and_test(&cache->refcnt)) {\n+\t\tclaim_zero(mlx5_glue->dv_destroy_flow_matcher(cache->resource));\n+\t\tLIST_REMOVE(cache, next);\n+\t\trte_free(cache);\n+\t\tDRV_LOG(DEBUG, \"port %u matcher %p: removed\",\n+\t\t\tdev->data->port_id, (void *)cache);\n+\t\treturn 0;\n+\t}\n+\treturn 1;\n+}\n+\n+/**\n+ * Remove the flow from the NIC but keeps it in memory.\n+ *\n+ * @param[in] dev\n+ *   Pointer to Ethernet device.\n+ * @param[in, out] flow\n+ *   Pointer to flow structure.\n+ */\n+static void\n+flow_dv_remove(struct rte_eth_dev *dev, struct rte_flow *flow)\n+{\n+\tstruct mlx5_flow_dv *dv;\n+\tstruct mlx5_flow *dev_flow;\n+\n+\tif (!flow)\n+\t\treturn;\n+\tLIST_FOREACH(dev_flow, &flow->dev_flows, next) {\n+\t\tdv = &dev_flow->dv;\n+\t\tif (dv->flow) {\n+\t\t\tclaim_zero(mlx5_glue->destroy_flow(dv->flow));\n+\t\t\tdv->flow = NULL;\n+\t\t}\n+\t\tif (dv->hrxq) {\n+\t\t\tif (flow->actions & MLX5_ACTION_DROP)\n+\t\t\t\tmlx5_hrxq_drop_release(dev);\n+\t\t\telse\n+\t\t\t\tmlx5_hrxq_release(dev, dv->hrxq);\n+\t\t\tdv->hrxq = NULL;\n+\t\t}\n+\t}\n+\tif (flow->counter)\n+\t\tflow->counter = NULL;\n+}\n+\n+/**\n+ * Remove the flow from the NIC and the memory.\n+ *\n+ * @param[in] dev\n+ *   Pointer to the Ethernet device structure.\n+ * @param[in, out] flow\n+ *   Pointer to flow structure.\n+ */\n+static void\n+flow_dv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)\n+{\n+\tstruct mlx5_flow *dev_flow;\n+\n+\tif (!flow)\n+\t\treturn;\n+\tflow_dv_remove(dev, flow);\n+\twhile (!LIST_EMPTY(&flow->dev_flows)) {\n+\t\tdev_flow = LIST_FIRST(&flow->dev_flows);\n+\t\tLIST_REMOVE(dev_flow, next);\n+\t\tif (dev_flow->dv.matcher)\n+\t\t\tflow_dv_matcher_release(dev, dev_flow->dv.matcher);\n+\t\trte_free(dev_flow);\n+\t}\n+}\n+\n+/**\n  * Fills the flow_ops with the function pointers.\n  *\n  * @param[out] flow_ops\n@@ -1180,9 +1364,9 @@ mlx5_flow_dv_get_driver_ops(struct mlx5_flow_driver_ops *flow_ops)\n \t\t.validate = flow_dv_validate,\n \t\t.prepare = flow_dv_prepare,\n \t\t.translate = flow_dv_translate,\n-\t\t.apply = NULL,\n-\t\t.remove = NULL,\n-\t\t.destroy = NULL,\n+\t\t.apply = flow_dv_apply,\n+\t\t.remove = flow_dv_remove,\n+\t\t.destroy = flow_dv_destroy,\n \t};\n }\n \n",
    "prefixes": [
        "v3",
        "10/11"
    ]
}