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GET /api/patches/47231/?format=api
HTTP 200 OK
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{
    "id": 47231,
    "url": "http://patches.dpdk.org/api/patches/47231/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1540289032-29628-9-git-send-email-viacheslavo@mellanox.com/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/?format=api",
        "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",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<1540289032-29628-9-git-send-email-viacheslavo@mellanox.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1540289032-29628-9-git-send-email-viacheslavo@mellanox.com",
    "date": "2018-10-23T10:04:16",
    "name": "[v4,8/8] net/mlx5: support new flow counter API",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "d1ac57e1e7d88abe6ed5f9f0ac2474620e6f85bb",
    "submitter": {
        "id": 1102,
        "url": "http://patches.dpdk.org/api/people/1102/?format=api",
        "name": "Slava Ovsiienko",
        "email": "viacheslavo@mellanox.com"
    },
    "delegate": {
        "id": 6624,
        "url": "http://patches.dpdk.org/api/users/6624/?format=api",
        "username": "shahafs",
        "first_name": "Shahaf",
        "last_name": "Shuler",
        "email": "shahafs@mellanox.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1540289032-29628-9-git-send-email-viacheslavo@mellanox.com/mbox/",
    "series": [
        {
            "id": 2029,
            "url": "http://patches.dpdk.org/api/series/2029/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=2029",
            "date": "2018-10-23T10:04:10",
            "name": "[v4,1/8] net/mlx5: fix flow counters creation",
            "version": 4,
            "mbox": "http://patches.dpdk.org/series/2029/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/47231/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/47231/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
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        ],
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        "From": "Slava Ovsiienko <viacheslavo@mellanox.com>",
        "To": "Slava Ovsiienko <viacheslavo@mellanox.com>",
        "CC": "\"dev@dpdk.org\" <dev@dpdk.org>",
        "Thread-Topic": "[PATCH v4 8/8] net/mlx5: support new flow counter API",
        "Thread-Index": "AQHUarfB8W50QOpHwk6axRxR+W5H2w==",
        "Date": "Tue, 23 Oct 2018 10:04:16 +0000",
        "Message-ID": "<1540289032-29628-9-git-send-email-viacheslavo@mellanox.com>",
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        "Subject": "[dpdk-dev] [PATCH v4 8/8] net/mlx5: support new flow counter API",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
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        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "This patch updates the functions performing the Verbs ibrary calls\nin order to support different versions of the library.\nThe functions:\n  - flow_verbs_counter_new()\n  - flow_verbs_counter_release()\n  - flow_verbs_counter_query()\nnow have the several compilation branches, depending on the\ncounters support found in the system at compile time.\n\nThe flow_verbs_counter_create() function is introduced as\nhelper for flow_verbs_counter_new(), actually this helper\ncreate the counters with Verbs.\n\nSigned-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>\n---\n drivers/net/mlx5/mlx5_flow.h       |   4 ++\n drivers/net/mlx5/mlx5_flow_verbs.c | 135 ++++++++++++++++++++++++++++---------\n 2 files changed, 107 insertions(+), 32 deletions(-)",
    "diff": "diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h\nindex af0a125..69ef0ef 100644\n--- a/drivers/net/mlx5/mlx5_flow.h\n+++ b/drivers/net/mlx5/mlx5_flow.h\n@@ -228,7 +228,11 @@ struct mlx5_flow_counter {\n \tuint32_t shared:1; /**< Share counter ID with other flow rules. */\n \tuint32_t ref_cnt:31; /**< Reference counter. */\n \tuint32_t id; /**< Counter ID. */\n+#if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)\n \tstruct ibv_counter_set *cs; /**< Holds the counters for the rule. */\n+#elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)\n+\tstruct ibv_counters *cs; /**< Holds the counters for the rule. */\n+#endif\n \tuint64_t hits; /**< Number of packets matched by the rule. */\n \tuint64_t bytes; /**< Number of bytes matched by the rule. */\n };\ndiff --git a/drivers/net/mlx5/mlx5_flow_verbs.c b/drivers/net/mlx5/mlx5_flow_verbs.c\nindex f720c35..2547fb8 100644\n--- a/drivers/net/mlx5/mlx5_flow_verbs.c\n+++ b/drivers/net/mlx5/mlx5_flow_verbs.c\n@@ -34,6 +34,70 @@\n #include \"mlx5_flow.h\"\n \n /**\n+ * Create Verbs flow counter with Verbs library.\n+ *\n+ * @param[in] dev\n+ *   Pointer to the Ethernet device structure.\n+ * @param[in, out] counter\n+ *   mlx5 flow counter object, contains the counter id,\n+ *   handle of created Verbs flow counter is returned\n+ *   in cs field (if counters are supported).\n+ *\n+ * @return\n+ *   0 On success else a negative errno value is returned\n+ *   and rte_errno is set.\n+ */\n+static int\n+flow_verbs_counter_create(struct rte_eth_dev *dev,\n+\t\t\t  struct mlx5_flow_counter *counter)\n+{\n+#if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)\n+\tstruct priv *priv = dev->data->dev_private;\n+\tstruct ibv_counter_set_init_attr init = {\n+\t\t\t .counter_set_id = counter->id};\n+\n+\tcounter->cs = mlx5_glue->create_counter_set(priv->ctx, &init);\n+\tif (!counter->cs) {\n+\t\trte_errno = ENOTSUP;\n+\t\treturn -ENOTSUP;\n+\t}\n+\treturn 0;\n+#elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)\n+\tstruct priv *priv = dev->data->dev_private;\n+\tstruct ibv_counters_init_attr init = {0};\n+\tstruct ibv_counter_attach_attr attach = {0};\n+\tint ret;\n+\n+\tcounter->cs = mlx5_glue->create_counters(priv->ctx, &init);\n+\tif (!counter->cs) {\n+\t\trte_errno = ENOTSUP;\n+\t\treturn -ENOTSUP;\n+\t}\n+\tattach.counter_desc = IBV_COUNTER_PACKETS;\n+\tattach.index = 0;\n+\tret = mlx5_glue->attach_counters(counter->cs, &attach, NULL);\n+\tif (!ret) {\n+\t\tattach.counter_desc = IBV_COUNTER_BYTES;\n+\t\tattach.index = 1;\n+\t\tret = mlx5_glue->attach_counters\n+\t\t\t\t\t(counter->cs, &attach, NULL);\n+\t}\n+\tif (ret) {\n+\t\tclaim_zero(mlx5_glue->destroy_counters(counter->cs));\n+\t\tcounter->cs = NULL;\n+\t\trte_errno = ret;\n+\t\treturn -ret;\n+\t}\n+\treturn 0;\n+#else\n+\t(void)dev;\n+\t(void)counter;\n+\trte_errno = ENOTSUP;\n+\treturn -ENOTSUP;\n+#endif\n+}\n+\n+/**\n  * Get a flow counter.\n  *\n  * @param[in] dev\n@@ -51,6 +115,7 @@\n {\n \tstruct priv *priv = dev->data->dev_private;\n \tstruct mlx5_flow_counter *cnt;\n+\tint ret;\n \n \tLIST_FOREACH(cnt, &priv->flow_counters, next) {\n \t\tif (!cnt->shared || cnt->shared != shared)\n@@ -60,36 +125,25 @@\n \t\tcnt->ref_cnt++;\n \t\treturn cnt;\n \t}\n-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_V42\n-\n-\tstruct mlx5_flow_counter tmpl = {\n-\t\t.shared = shared,\n-\t\t.id = id,\n-\t\t.cs = mlx5_glue->create_counter_set\n-\t\t\t(priv->ctx,\n-\t\t\t &(struct ibv_counter_set_init_attr){\n-\t\t\t\t .counter_set_id = id,\n-\t\t\t }),\n-\t\t.hits = 0,\n-\t\t.bytes = 0,\n-\t\t.ref_cnt = 1,\n-\t};\n-\n-\tif (!tmpl.cs) {\n-\t\trte_errno = errno;\n-\t\treturn NULL;\n-\t}\n \tcnt = rte_calloc(__func__, 1, sizeof(*cnt), 0);\n \tif (!cnt) {\n-\t\tclaim_zero(mlx5_glue->destroy_counter_set(tmpl.cs));\n \t\trte_errno = ENOMEM;\n \t\treturn NULL;\n \t}\n-\t*cnt = tmpl;\n-\tLIST_INSERT_HEAD(&priv->flow_counters, cnt, next);\n-\treturn cnt;\n-#endif\n-\trte_errno = ENOTSUP;\n+\tcnt->id = id;\n+\tcnt->shared = shared;\n+\tcnt->ref_cnt = 1;\n+\tcnt->hits = 0;\n+\tcnt->bytes = 0;\n+\t/* Create counter with Verbs. */\n+\tret = flow_verbs_counter_create(dev, cnt);\n+\tif (!ret) {\n+\t\tLIST_INSERT_HEAD(&priv->flow_counters, cnt, next);\n+\t\treturn cnt;\n+\t}\n+\t/* Some error occurred in Verbs library. */\n+\trte_free(cnt);\n+\trte_errno = -ret;\n \treturn NULL;\n }\n \n@@ -103,7 +157,11 @@\n flow_verbs_counter_release(struct mlx5_flow_counter *counter)\n {\n \tif (--counter->ref_cnt == 0) {\n+#if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)\n \t\tclaim_zero(mlx5_glue->destroy_counter_set(counter->cs));\n+#elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)\n+\t\tclaim_zero(mlx5_glue->destroy_counters(counter->cs));\n+#endif\n \t\tLIST_REMOVE(counter, next);\n \t\trte_free(counter);\n \t}\n@@ -117,14 +175,15 @@\n  */\n static int\n flow_verbs_counter_query(struct rte_eth_dev *dev __rte_unused,\n-\t\t\t struct rte_flow *flow __rte_unused,\n-\t\t\t void *data __rte_unused,\n+\t\t\t struct rte_flow *flow, void *data,\n \t\t\t struct rte_flow_error *error)\n {\n-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_V42\n+#if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \\\n+\tdefined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)\n \tif (flow->actions & MLX5_FLOW_ACTION_COUNT) {\n \t\tstruct rte_flow_query_count *qc = data;\n \t\tuint64_t counters[2] = {0, 0};\n+#if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)\n \t\tstruct ibv_query_counter_set_attr query_cs_attr = {\n \t\t\t.cs = flow->counter->cs,\n \t\t\t.query_flags = IBV_COUNTER_SET_FORCE_UPDATE,\n@@ -135,7 +194,12 @@\n \t\t};\n \t\tint err = mlx5_glue->query_counter_set(&query_cs_attr,\n \t\t\t\t\t\t       &query_out);\n-\n+#elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)\n+\t\tint err = mlx5_glue->query_counters\n+\t\t\t       (flow->counter->cs, counters,\n+\t\t\t\tRTE_DIM(counters),\n+\t\t\t\tIBV_READ_COUNTERS_ATTR_PREFER_CACHED);\n+#endif\n \t\tif (err)\n \t\t\treturn rte_flow_error_set\n \t\t\t\t(error, err,\n@@ -157,6 +221,8 @@\n \t\t\t\t  NULL,\n \t\t\t\t  \"flow does not have counter\");\n #else\n+\t(void)flow;\n+\t(void)data;\n \treturn rte_flow_error_set(error, ENOTSUP,\n \t\t\t\t  RTE_FLOW_ERROR_TYPE_UNSPECIFIED,\n \t\t\t\t  NULL,\n@@ -993,7 +1059,8 @@\n {\n \tconst struct rte_flow_action_count *count = action->conf;\n \tstruct rte_flow *flow = dev_flow->flow;\n-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_V42\n+#if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \\\n+\tdefined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)\n \tunsigned int size = sizeof(struct ibv_flow_spec_counter_action);\n \tstruct ibv_flow_spec_counter_action counter = {\n \t\t.type = IBV_FLOW_SPEC_ACTION_COUNT,\n@@ -1012,9 +1079,12 @@\n \t\t\t\t\t\t  \" context.\");\n \t}\n \t*action_flags |= MLX5_FLOW_ACTION_COUNT;\n-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_V42\n+#if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)\n \tcounter.counter_set_handle = flow->counter->cs->handle;\n \tflow_verbs_spec_add(dev_flow, &counter, size);\n+#elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)\n+\tcounter.counters = flow->counter->cs;\n+\tflow_verbs_spec_add(dev_flow, &counter, size);\n #endif\n \treturn 0;\n }\n@@ -1277,7 +1347,8 @@\n \t\t\tdetected_actions |= MLX5_FLOW_ACTION_RSS;\n \t\t\tbreak;\n \t\tcase RTE_FLOW_ACTION_TYPE_COUNT:\n-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_V42\n+#if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \\\n+\tdefined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)\n \t\t\tsize += sizeof(struct ibv_flow_spec_counter_action);\n #endif\n \t\t\tdetected_actions |= MLX5_FLOW_ACTION_COUNT;\n",
    "prefixes": [
        "v4",
        "8/8"
    ]
}