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GET /api/patches/68416/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 68416,
    "url": "http://patches.dpdk.org/api/patches/68416/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1586852011-37536-31-git-send-email-venkatkumar.duvvuru@broadcom.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": "<1586852011-37536-31-git-send-email-venkatkumar.duvvuru@broadcom.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1586852011-37536-31-git-send-email-venkatkumar.duvvuru@broadcom.com",
    "date": "2020-04-14T08:13:27",
    "name": "[v3,30/34] net/bnxt: add support for rte flow flush driver hook",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "fd5cb790dada5e12adc92860d46e1952853df7ca",
    "submitter": {
        "id": 1635,
        "url": "http://patches.dpdk.org/api/people/1635/?format=api",
        "name": "Venkat Duvvuru",
        "email": "venkatkumar.duvvuru@broadcom.com"
    },
    "delegate": {
        "id": 1766,
        "url": "http://patches.dpdk.org/api/users/1766/?format=api",
        "username": "ajitkhaparde",
        "first_name": "Ajit",
        "last_name": "Khaparde",
        "email": "ajit.khaparde@broadcom.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1586852011-37536-31-git-send-email-venkatkumar.duvvuru@broadcom.com/mbox/",
    "series": [
        {
            "id": 9362,
            "url": "http://patches.dpdk.org/api/series/9362/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=9362",
            "date": "2020-04-14T08:12:57",
            "name": "add support for host based flow table management",
            "version": 3,
            "mbox": "http://patches.dpdk.org/series/9362/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/68416/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/68416/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@inbox.dpdk.org",
        "Delivered-To": "patchwork@inbox.dpdk.org",
        "Received": [
            "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id DC14CA0577;\n\tTue, 14 Apr 2020 10:20:15 +0200 (CEST)",
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id F0FA31D164;\n\tTue, 14 Apr 2020 10:15:06 +0200 (CEST)",
            "from mail-pf1-f194.google.com (mail-pf1-f194.google.com\n [209.85.210.194]) by dpdk.org (Postfix) with ESMTP id 2FC1F1D160\n for <dev@dpdk.org>; Tue, 14 Apr 2020 10:15:05 +0200 (CEST)",
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            "from S60.dhcp.broadcom.net ([192.19.234.250])\n by smtp.gmail.com with ESMTPSA id e196sm671176pfh.43.2020.04.14.01.15.01\n (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128);\n Tue, 14 Apr 2020 01:15:03 -0700 (PDT)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com;\n s=google;\n h=from:to:cc:subject:date:message-id:in-reply-to:references;\n bh=dTjmtNBYLz+Emc0kXrwGLp1L/m8tb/HvqPLLOaJbPvc=;\n b=SstseJJ9N10XLGJKS8jUbo6UlwJ2Ybb5yLIlGaGgV0M22UqRqcsaSXq31SKrjzTI2j\n GLOdeK74D7/wfv9nan5FhvJXHwKvD1kN1DyeQmQzpj1SHNjkKoW32pedhw7S6hTRXTJo\n UnWbmKzg+nmFngwiUrmYhdOlax+K9HOe/Ov34=",
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        "X-Gm-Message-State": "AGi0PuaILt/lttEIyWDTVRo9qE908bmh1CtYpOR+CvuMwIUHHKaXfGFQ\n saPk1CuyF3UGVwqFGgyAYJDEzpV2+1UK3OBl9o9a1DmFtNUtoIfxFNTwOqrKZT+rSzwxjcNGbuv\n XELwkgEDDHDndFjhEYGmUeMDCVqseveGBu0snuH86DuCEUxt4AVNRdC3wWbzC6Vb76SaK",
        "X-Google-Smtp-Source": "\n APiQypJN+Kn4VauhgT+RlWW3+fgMd0BLp3YDIBSW0au1chdI321HtXCtbUMIZqqQPqVj8piz5LxWlw==",
        "X-Received": "by 2002:a63:cc06:: with SMTP id x6mr12137999pgf.143.1586852103899;\n Tue, 14 Apr 2020 01:15:03 -0700 (PDT)",
        "From": "Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>",
        "To": "dev@dpdk.org",
        "Cc": "Kishore Padmanabha <kishore.padmanabha@broadcom.com>,\n Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>",
        "Date": "Tue, 14 Apr 2020 13:43:27 +0530",
        "Message-Id": "\n <1586852011-37536-31-git-send-email-venkatkumar.duvvuru@broadcom.com>",
        "X-Mailer": "git-send-email 2.7.4",
        "In-Reply-To": "\n <1586852011-37536-1-git-send-email-venkatkumar.duvvuru@broadcom.com>",
        "References": "\n <1586806811-21736-1-git-send-email-venkatkumar.duvvuru@broadcom.com>\n <1586852011-37536-1-git-send-email-venkatkumar.duvvuru@broadcom.com>",
        "Subject": "[dpdk-dev] [PATCH v3 30/34] net/bnxt: add support for rte flow\n\tflush driver hook",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "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/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "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": "From: Kishore Padmanabha <kishore.padmanabha@broadcom.com>\n\nThis patch does the following\n1. Gets the ulp session information from eth_dev\n2. Fetches the rte_flow table associated with this session\n3. Iterates through all the flows in the flow table\n4. Calls ulp_mapper_resources_free which releases the key & action\n   tables associated with each flow\n\nSigned-off-by: Kishore Padmanabha <kishore.padmanabha@broadcom.com>\nSigned-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>\nReviewed-by: Lance Richardson <lance.richardson@broadcom.com>\nReviewed-by: Ajit Kumar Khaparde <ajit.khaparde@broadcom.com>\n---\n drivers/net/bnxt/tf_ulp/bnxt_ulp.c      |  3 ++\n drivers/net/bnxt/tf_ulp/bnxt_ulp_flow.c | 33 +++++++++++++++-\n drivers/net/bnxt/tf_ulp/ulp_flow_db.c   | 69 +++++++++++++++++++++++++++++++++\n drivers/net/bnxt/tf_ulp/ulp_flow_db.h   | 11 ++++++\n 4 files changed, 115 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/net/bnxt/tf_ulp/bnxt_ulp.c b/drivers/net/bnxt/tf_ulp/bnxt_ulp.c\nindex 3795c6d..56e08f2 100644\n--- a/drivers/net/bnxt/tf_ulp/bnxt_ulp.c\n+++ b/drivers/net/bnxt/tf_ulp/bnxt_ulp.c\n@@ -517,6 +517,9 @@ bnxt_ulp_deinit(struct bnxt *bp)\n \tif (!session)\n \t\treturn;\n \n+\t/* clean up regular flows */\n+\tulp_flow_db_flush_flows(&bp->ulp_ctx, BNXT_ULP_REGULAR_FLOW_TABLE);\n+\n \t/* cleanup the eem table scope */\n \tulp_eem_tbl_scope_deinit(bp, &bp->ulp_ctx);\n \ndiff --git a/drivers/net/bnxt/tf_ulp/bnxt_ulp_flow.c b/drivers/net/bnxt/tf_ulp/bnxt_ulp_flow.c\nindex 35099a3..4958895 100644\n--- a/drivers/net/bnxt/tf_ulp/bnxt_ulp_flow.c\n+++ b/drivers/net/bnxt/tf_ulp/bnxt_ulp_flow.c\n@@ -262,11 +262,42 @@ bnxt_ulp_flow_destroy(struct rte_eth_dev *dev,\n \treturn ret;\n }\n \n+/* Function to destroy the rte flows. */\n+static int32_t\n+bnxt_ulp_flow_flush(struct rte_eth_dev *eth_dev,\n+\t\t    struct rte_flow_error *error)\n+{\n+\tstruct bnxt_ulp_context *ulp_ctx;\n+\tint32_t ret;\n+\tstruct bnxt *bp;\n+\n+\tulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev);\n+\tif (!ulp_ctx) {\n+\t\tBNXT_TF_DBG(ERR, \"ULP context is not initialized\\n\");\n+\t\trte_flow_error_set(error, EINVAL,\n+\t\t\t\t   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,\n+\t\t\t\t   \"Failed to flush flow.\");\n+\t\treturn -EINVAL;\n+\t}\n+\tbp = eth_dev->data->dev_private;\n+\n+\t/* Free the resources for the last device */\n+\tif (!ulp_ctx_deinit_allowed(bp))\n+\t\treturn 0;\n+\n+\tret = ulp_flow_db_flush_flows(ulp_ctx, BNXT_ULP_REGULAR_FLOW_TABLE);\n+\tif (ret)\n+\t\trte_flow_error_set(error, ret,\n+\t\t\t\t   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,\n+\t\t\t\t   \"Failed to flush flow.\");\n+\treturn ret;\n+}\n+\n const struct rte_flow_ops bnxt_ulp_rte_flow_ops = {\n \t.validate = bnxt_ulp_flow_validate,\n \t.create = bnxt_ulp_flow_create,\n \t.destroy = bnxt_ulp_flow_destroy,\n-\t.flush = NULL,\n+\t.flush = bnxt_ulp_flow_flush,\n \t.query = NULL,\n \t.isolate = NULL\n };\ndiff --git a/drivers/net/bnxt/tf_ulp/ulp_flow_db.c b/drivers/net/bnxt/tf_ulp/ulp_flow_db.c\nindex ee703a1..aed5078 100644\n--- a/drivers/net/bnxt/tf_ulp/ulp_flow_db.c\n+++ b/drivers/net/bnxt/tf_ulp/ulp_flow_db.c\n@@ -555,3 +555,72 @@ int32_t\tulp_flow_db_fid_free(struct bnxt_ulp_context\t\t*ulp_ctxt,\n \t/* all good, return success */\n \treturn 0;\n }\n+\n+/** Get the flow database entry iteratively\n+ *\n+ * flow_tbl [in] Ptr to flow table\n+ * fid [in/out] The index to the flow entry\n+ *\n+ * returns 0 on success and negative on failure.\n+ */\n+static int32_t\n+ulp_flow_db_next_entry_get(struct bnxt_ulp_flow_tbl\t*flowtbl,\n+\t\t\t   uint32_t\t\t\t*fid)\n+{\n+\tuint32_t\tlfid = *fid;\n+\tuint32_t\tidx;\n+\tuint64_t\tbs;\n+\n+\tdo {\n+\t\tlfid++;\n+\t\tif (lfid >= flowtbl->num_flows)\n+\t\t\treturn -ENOENT;\n+\t\tidx = lfid / ULP_INDEX_BITMAP_SIZE;\n+\t\twhile (!(bs = flowtbl->active_flow_tbl[idx])) {\n+\t\t\tidx++;\n+\t\t\tif ((idx * ULP_INDEX_BITMAP_SIZE) >= flowtbl->num_flows)\n+\t\t\t\treturn -ENOENT;\n+\t\t}\n+\t\tlfid = (idx * ULP_INDEX_BITMAP_SIZE) + __builtin_clzl(bs);\n+\t\tif (*fid >= lfid) {\n+\t\t\tBNXT_TF_DBG(ERR, \"Flow Database is corrupt\\n\");\n+\t\t\treturn -ENOENT;\n+\t\t}\n+\t} while (!ulp_flow_db_active_flow_is_set(flowtbl, lfid));\n+\n+\t/* all good, return success */\n+\t*fid = lfid;\n+\treturn 0;\n+}\n+\n+/*\n+ * Flush all flows in the flow database.\n+ *\n+ * ulp_ctxt [in] Ptr to ulp context\n+ * tbl_idx [in] The index to table\n+ *\n+ * returns 0 on success or negative number on failure\n+ */\n+int32_t\tulp_flow_db_flush_flows(struct bnxt_ulp_context *ulp_ctx,\n+\t\t\t\tuint32_t\t\tidx)\n+{\n+\tuint32_t\t\t\tfid = 0;\n+\tstruct bnxt_ulp_flow_db\t\t*flow_db;\n+\tstruct bnxt_ulp_flow_tbl\t*flow_tbl;\n+\n+\tif (!ulp_ctx) {\n+\t\tBNXT_TF_DBG(ERR, \"Invalid Argument\\n\");\n+\t\treturn -EINVAL;\n+\t}\n+\n+\tflow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctx);\n+\tif (!flow_db) {\n+\t\tBNXT_TF_DBG(ERR, \"Flow database not found\\n\");\n+\t\treturn -EINVAL;\n+\t}\n+\tflow_tbl = &flow_db->flow_tbl[idx];\n+\twhile (!ulp_flow_db_next_entry_get(flow_tbl, &fid))\n+\t\t(void)ulp_mapper_resources_free(ulp_ctx, fid, idx);\n+\n+\treturn 0;\n+}\ndiff --git a/drivers/net/bnxt/tf_ulp/ulp_flow_db.h b/drivers/net/bnxt/tf_ulp/ulp_flow_db.h\nindex eb5effa..5435415 100644\n--- a/drivers/net/bnxt/tf_ulp/ulp_flow_db.h\n+++ b/drivers/net/bnxt/tf_ulp/ulp_flow_db.h\n@@ -142,4 +142,15 @@ int32_t\tulp_flow_db_fid_free(struct bnxt_ulp_context\t\t*ulp_ctxt,\n \t\t\t     enum bnxt_ulp_flow_db_tables\ttbl_idx,\n \t\t\t     uint32_t\t\t\t\tfid);\n \n+/*\n+ * Flush all flows in the flow database.\n+ *\n+ * ulp_ctxt [in] Ptr to ulp context\n+ * tbl_idx [in] The index to table\n+ *\n+ * returns 0 on success or negative number on failure\n+ */\n+int32_t\tulp_flow_db_flush_flows(struct bnxt_ulp_context *ulp_ctx,\n+\t\t\t\tuint32_t\t\tidx);\n+\n #endif /* _ULP_FLOW_DB_H_ */\n",
    "prefixes": [
        "v3",
        "30/34"
    ]
}