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GET /api/patches/96018/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 96018,
    "url": "http://patchwork.dpdk.org/api/patches/96018/?format=api",
    "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20210718171817.23822-3-bingz@nvidia.com/",
    "project": {
        "id": 1,
        "url": "http://patchwork.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": "<20210718171817.23822-3-bingz@nvidia.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20210718171817.23822-3-bingz@nvidia.com",
    "date": "2021-07-18T17:18:12",
    "name": "[v2,2/7] net/mlx5: enable meter bucket overflow for yellow color",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "2f1e845374b05c8c5717046aef7a95e367b4648c",
    "submitter": {
        "id": 1976,
        "url": "http://patchwork.dpdk.org/api/people/1976/?format=api",
        "name": "Bing Zhao",
        "email": "bingz@nvidia.com"
    },
    "delegate": {
        "id": 3268,
        "url": "http://patchwork.dpdk.org/api/users/3268/?format=api",
        "username": "rasland",
        "first_name": "Raslan",
        "last_name": "Darawsheh",
        "email": "rasland@nvidia.com"
    },
    "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20210718171817.23822-3-bingz@nvidia.com/mbox/",
    "series": [
        {
            "id": 17883,
            "url": "http://patchwork.dpdk.org/api/series/17883/?format=api",
            "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=17883",
            "date": "2021-07-18T17:18:10",
            "name": "support yellow color policy in mlx5",
            "version": 2,
            "mbox": "http://patchwork.dpdk.org/series/17883/mbox/"
        }
    ],
    "comments": "http://patchwork.dpdk.org/api/patches/96018/comments/",
    "check": "success",
    "checks": "http://patchwork.dpdk.org/api/patches/96018/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Bing Zhao <bingz@nvidia.com>",
        "To": "<viacheslavo@nvidia.com>, <matan@nvidia.com>",
        "CC": "<dev@dpdk.org>, <orika@nvidia.com>, <rasland@nvidia.com>,\n <thomas@monjalon.net>, <lizh@nvidia.com>, <shunh@nvidia.com>",
        "Date": "Sun, 18 Jul 2021 20:18:12 +0300",
        "Message-ID": "<20210718171817.23822-3-bingz@nvidia.com>",
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        "References": "<20210705155756.21443-1-bingz@nvidia.com>\n <20210718171817.23822-1-bingz@nvidia.com>",
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        "Subject": "[dpdk-dev] [PATCH v2 2/7] net/mlx5: enable meter bucket overflow\n for yellow color",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
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        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "To support the meter policy for yellow action, the prerequisite is\nthat the hardware needs to support the EBS, as defined in the\nRFC2697.\n  https://datatracker.ietf.org/doc/html/rfc2697\nThen some of the packets can be marked as yellow if the tokens of C\nbucket is not enough but enough in E bucket. The color could be used\nfor the further steering of the packets.\n\nIn the current implementation EBS and overflow were ignored when\ncreating a meter profile. With this commit, if EBS is set by the\napplication, the generation of yellow color will be enabled in the\nhardware for flow rules steering of packets.\n\nSigned-off-by: Bing Zhao <bingz@nvidia.com>\n---\n drivers/net/mlx5/mlx5_flow_aso.c   |  4 ++++\n drivers/net/mlx5/mlx5_flow_meter.c | 10 +++++-----\n 2 files changed, 9 insertions(+), 5 deletions(-)",
    "diff": "diff --git a/drivers/net/mlx5/mlx5_flow_aso.c b/drivers/net/mlx5/mlx5_flow_aso.c\nindex 64631ffc29..23e22e560a 100644\n--- a/drivers/net/mlx5/mlx5_flow_aso.c\n+++ b/drivers/net/mlx5/mlx5_flow_aso.c\n@@ -747,6 +747,10 @@ mlx5_aso_mtr_sq_enqueue_single(struct mlx5_aso_sq *sq,\n \t\twqe->aso_dseg.mtrs[dseg_idx].v_bo_sc_bbog_mm =\n \t\t\t\tRTE_BE32((1 << ASO_DSEG_VALID_OFFSET) |\n \t\t\t\t(MLX5_FLOW_COLOR_GREEN << ASO_DSEG_SC_OFFSET));\n+\t/* Only needed for RFC2697. */\n+\tif (fm->profile->srtcm_prm.ebs_eir)\n+\t\twqe->aso_dseg.mtrs[dseg_idx].v_bo_sc_bbog_mm |=\n+\t\t\t\tRTE_BE32(1 << ASO_DSEG_BO_OFFSET);\n \tsq->head++;\n \tsq->pi += 2;/* Each WQE contains 2 WQEBB's. */\n \trte_io_wmb();\ndiff --git a/drivers/net/mlx5/mlx5_flow_meter.c b/drivers/net/mlx5/mlx5_flow_meter.c\nindex 78eb2a60f9..73eba0dabd 100644\n--- a/drivers/net/mlx5/mlx5_flow_meter.c\n+++ b/drivers/net/mlx5/mlx5_flow_meter.c\n@@ -319,9 +319,9 @@ mlx5_flow_meter_param_fill(struct mlx5_flow_meter_profile *fmp,\n \tcbs_man = man;\n \tcbs_exp = exp;\n \tsrtcm->cbs_cir = rte_cpu_to_be_32(cbs_exp << ASO_DSEG_CBS_EXP_OFFSET |\n-\t\t\t\tcbs_man << ASO_DSEG_CBS_MAN_OFFSET |\n-\t\t\t\tcir_exp << ASO_DSEG_CIR_EXP_OFFSET |\n-\t\t\t\tcir_man);\n+\t\t\t\t\t  cbs_man << ASO_DSEG_CBS_MAN_OFFSET |\n+\t\t\t\t\t  cir_exp << ASO_DSEG_CIR_EXP_OFFSET |\n+\t\t\t\t\t  cir_man);\n \tmlx5_flow_meter_xbs_man_exp_calc(ebs, &man, &exp);\n \t/* Check if ebs mantissa is too large. */\n \tif (exp > ASO_DSEG_EXP_MASK)\n@@ -332,7 +332,7 @@ mlx5_flow_meter_param_fill(struct mlx5_flow_meter_profile *fmp,\n \tebs_man = man;\n \tebs_exp = exp;\n \tsrtcm->ebs_eir = rte_cpu_to_be_32(ebs_exp << ASO_DSEG_EBS_EXP_OFFSET |\n-\t\t\t\t\tebs_man << ASO_DSEG_EBS_MAN_OFFSET);\n+\t\t\t\t\t  ebs_man << ASO_DSEG_EBS_MAN_OFFSET);\n \treturn 0;\n }\n \n@@ -421,7 +421,7 @@ mlx5_flow_meter_profile_add(struct rte_eth_dev *dev,\n \t\treturn ret;\n \t/* Meter profile memory allocation. */\n \tfmp = mlx5_malloc(MLX5_MEM_ZERO, sizeof(struct mlx5_flow_meter_profile),\n-\t\t\t RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);\n+\t\t\t  RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);\n \tif (fmp == NULL)\n \t\treturn -rte_mtr_error_set(error, ENOMEM,\n \t\t\t\t\t  RTE_MTR_ERROR_TYPE_UNSPECIFIED,\n",
    "prefixes": [
        "v2",
        "2/7"
    ]
}