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GET /api/patches/136317/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 136317,
    "url": "http://patches.dpdk.org/api/patches/136317/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20240202115611.288892-3-getelson@nvidia.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": "<20240202115611.288892-3-getelson@nvidia.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20240202115611.288892-3-getelson@nvidia.com",
    "date": "2024-02-02T11:56:08",
    "name": "[2/5] net/mlx5: add resize function to ipool",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "5e878136d7c31a3133e0540cf3eb1a8931a42a70",
    "submitter": {
        "id": 1882,
        "url": "http://patches.dpdk.org/api/people/1882/?format=api",
        "name": "Gregory Etelson",
        "email": "getelson@nvidia.com"
    },
    "delegate": {
        "id": 3268,
        "url": "http://patches.dpdk.org/api/users/3268/?format=api",
        "username": "rasland",
        "first_name": "Raslan",
        "last_name": "Darawsheh",
        "email": "rasland@nvidia.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20240202115611.288892-3-getelson@nvidia.com/mbox/",
    "series": [
        {
            "id": 30987,
            "url": "http://patches.dpdk.org/api/series/30987/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=30987",
            "date": "2024-02-02T11:56:07",
            "name": "net/mlx5: add support for flow table resizing",
            "version": 1,
            "mbox": "http://patches.dpdk.org/series/30987/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/136317/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/136317/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Gregory Etelson <getelson@nvidia.com>",
        "To": "<dev@dpdk.org>",
        "CC": "<getelson@nvidia.com>, =?utf-8?b?wqA=?= <mkashani@nvidia.com>,\n <rasland@nvidia.com>, <thomas@monjalon.net>,\n Dariusz Sosnowski <dsosnowski@nvidia.com>,\n Viacheslav Ovsiienko <viacheslavo@nvidia.com>, \"Ori Kam\" <orika@nvidia.com>,\n Suanming Mou <suanmingm@nvidia.com>, Matan Azrad <matan@nvidia.com>",
        "Subject": "[PATCH 2/5] net/mlx5: add resize function to ipool",
        "Date": "Fri, 2 Feb 2024 13:56:08 +0200",
        "Message-ID": "<20240202115611.288892-3-getelson@nvidia.com>",
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    },
    "content": "From: Maayan Kashani <mkashani@nvidia.com>\n\nBefore this patch, ipool size could be fixed by\nsetting max_idx in mlx5_indexed_pool_config upon\nipool creation. Or it can be auto resized to the\nmaximum limit by setting max_idx to zero upon\nipool creation and the saved value is the maximum\nindex possible.\nThis patch adds ipool_resize API that enables to\nupdate the value of max_idx in case it is not set to\nmaximum, meaning not in auto resize mode. It\nenables the allocation of new trunk when using\nmalloc/zmalloc up to the max_idx limit. Please\nnotice the resize number of entries should be divisible by trunk_size.\n\nSigned-off-by: Maayan Kashani <mkashani@nvidia.com>\n---\n drivers/net/mlx5/mlx5_utils.c | 29 +++++++++++++++++++++++++++++\n drivers/net/mlx5/mlx5_utils.h | 16 ++++++++++++++++\n 2 files changed, 45 insertions(+)",
    "diff": "diff --git a/drivers/net/mlx5/mlx5_utils.c b/drivers/net/mlx5/mlx5_utils.c\nindex 4db738785f..e28db2ec43 100644\n--- a/drivers/net/mlx5/mlx5_utils.c\n+++ b/drivers/net/mlx5/mlx5_utils.c\n@@ -809,6 +809,35 @@ mlx5_ipool_get_next(struct mlx5_indexed_pool *pool, uint32_t *pos)\n \treturn NULL;\n }\n \n+int\n+mlx5_ipool_resize(struct mlx5_indexed_pool *pool, uint32_t num_entries)\n+{\n+\tuint32_t cur_max_idx;\n+\tuint32_t max_index = mlx5_trunk_idx_offset_get(pool, TRUNK_MAX_IDX + 1);\n+\n+\tif (num_entries % pool->cfg.trunk_size) {\n+\t\tDRV_LOG(ERR, \"num_entries param should be trunk_size(=%u) multiplication\\n\",\n+\t\t\tpool->cfg.trunk_size);\n+\t\treturn -EINVAL;\n+\t}\n+\n+\tmlx5_ipool_lock(pool);\n+\tcur_max_idx = pool->cfg.max_idx + num_entries;\n+\t/* If the ipool max idx is above maximum or uint overflow occurred. */\n+\tif (cur_max_idx > max_index || cur_max_idx < num_entries) {\n+\t\tDRV_LOG(ERR, \"Ipool resize failed\\n\");\n+\t\tDRV_LOG(ERR, \"Adding %u entries to existing %u entries, will cross max limit(=%u)\\n\",\n+\t\tnum_entries, cur_max_idx, max_index);\n+\t\tmlx5_ipool_unlock(pool);\n+\t\treturn -EINVAL;\n+\t}\n+\n+\t/* Update maximum entries number. */\n+\tpool->cfg.max_idx = cur_max_idx;\n+\tmlx5_ipool_unlock(pool);\n+\treturn 0;\n+}\n+\n void\n mlx5_ipool_dump(struct mlx5_indexed_pool *pool)\n {\ndiff --git a/drivers/net/mlx5/mlx5_utils.h b/drivers/net/mlx5/mlx5_utils.h\nindex 82e8298781..f3c0d76a6d 100644\n--- a/drivers/net/mlx5/mlx5_utils.h\n+++ b/drivers/net/mlx5/mlx5_utils.h\n@@ -427,6 +427,22 @@ void mlx5_ipool_flush_cache(struct mlx5_indexed_pool *pool);\n  */\n void *mlx5_ipool_get_next(struct mlx5_indexed_pool *pool, uint32_t *pos);\n \n+/**\n+ * This function resize the ipool.\n+ *\n+ * @param pool\n+ *   Pointer to the index memory pool handler.\n+ * @param num_entries\n+ *   Number of entries to be added to the pool.\n+ *   This number should be divisible by trunk_size.\n+ *\n+ * @return\n+ *   - non-zero value on error.\n+ *   - 0 on success.\n+ *\n+ */\n+int mlx5_ipool_resize(struct mlx5_indexed_pool *pool, uint32_t num_entries);\n+\n /**\n  * This function allocates new empty Three-level table.\n  *\n",
    "prefixes": [
        "2/5"
    ]
}