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GET /api/patches/1528343/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 1528343,
    "url": "http://patchwork.ozlabs.org/api/patches/1528343/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/20210915124319.1683219-7-cmi@nvidia.com/",
    "project": {
        "id": 47,
        "url": "http://patchwork.ozlabs.org/api/projects/47/?format=api",
        "name": "Open vSwitch",
        "link_name": "openvswitch",
        "list_id": "ovs-dev.openvswitch.org",
        "list_email": "ovs-dev@openvswitch.org",
        "web_url": "http://openvswitch.org/",
        "scm_url": "git@github.com:openvswitch/ovs.git",
        "webscm_url": "https://github.com/openvswitch/ovs",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20210915124319.1683219-7-cmi@nvidia.com>",
    "list_archive_url": null,
    "date": "2021-09-15T12:43:18",
    "name": "[ovs-dev,v15,6/7] ofproto: Introduce API to process sFlow offload packet",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "d3a0c4e610cd67e49b83a3fb17b0ec2926bfe48d",
    "submitter": {
        "id": 80086,
        "url": "http://patchwork.ozlabs.org/api/people/80086/?format=api",
        "name": "Chris Mi",
        "email": "cmi@nvidia.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/20210915124319.1683219-7-cmi@nvidia.com/mbox/",
    "series": [
        {
            "id": 262447,
            "url": "http://patchwork.ozlabs.org/api/series/262447/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=262447",
            "date": "2021-09-15T12:43:12",
            "name": "Add offload support for sFlow",
            "version": 15,
            "mbox": "http://patchwork.ozlabs.org/series/262447/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/1528343/comments/",
    "check": "success",
    "checks": "http://patchwork.ozlabs.org/api/patches/1528343/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<ovs-dev-bounces@openvswitch.org>",
        "X-Original-To": [
            "incoming@patchwork.ozlabs.org",
            "dev@openvswitch.org"
        ],
        "Delivered-To": [
            "patchwork-incoming@ozlabs.org",
            "ovs-dev@lists.linuxfoundation.org"
        ],
        "Authentication-Results": "ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=openvswitch.org\n (client-ip=2605:bc80:3010::138; helo=smtp1.osuosl.org;\n envelope-from=ovs-dev-bounces@openvswitch.org; receiver=<UNKNOWN>)",
        "Received": [
            "from smtp1.osuosl.org (smtp1.osuosl.org [IPv6:2605:bc80:3010::138])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest\n SHA256)\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 4H8fz55qXsz9t0k\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 15 Sep 2021 22:43:45 +1000 (AEST)",
            "from localhost (localhost [127.0.0.1])\n\tby smtp1.osuosl.org (Postfix) with ESMTP id A263F82BEB;\n\tWed, 15 Sep 2021 12:43:41 +0000 (UTC)",
            "from smtp1.osuosl.org ([127.0.0.1])\n\tby localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id BJmw6x_hJee4; Wed, 15 Sep 2021 12:43:40 +0000 (UTC)",
            "from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56])\n\tby smtp1.osuosl.org (Postfix) with ESMTPS id 927BA82B2F;\n\tWed, 15 Sep 2021 12:43:38 +0000 (UTC)",
            "from lf-lists.osuosl.org (localhost [127.0.0.1])\n\tby lists.linuxfoundation.org (Postfix) with ESMTP id 1B5C3C0031;\n\tWed, 15 Sep 2021 12:43:35 +0000 (UTC)",
            "from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n by lists.linuxfoundation.org (Postfix) with ESMTP id 1DC63C000D\n for <dev@openvswitch.org>; Wed, 15 Sep 2021 12:43:31 +0000 (UTC)",
            "from localhost (localhost [127.0.0.1])\n by smtp3.osuosl.org (Postfix) with ESMTP id 8A3A060BA4\n for <dev@openvswitch.org>; Wed, 15 Sep 2021 12:43:29 +0000 (UTC)",
            "from smtp3.osuosl.org ([127.0.0.1])\n by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n with ESMTP id Qg3lYJSqRWDQ for <dev@openvswitch.org>;\n Wed, 15 Sep 2021 12:43:29 +0000 (UTC)",
            "from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129])\n by smtp3.osuosl.org (Postfix) with ESMTP id 5778560B89\n for <dev@openvswitch.org>; Wed, 15 Sep 2021 12:43:28 +0000 (UTC)",
            "from Internal Mail-Server by MTLPINE1 (envelope-from cmi@nvidia.com)\n with SMTP; 15 Sep 2021 15:43:21 +0300",
            "from c-141-46-1-010.mtl.labs.mlnx (c-141-46-1-010.mtl.labs.mlnx\n [10.141.46.10])\n by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 18FChLba010242;\n Wed, 15 Sep 2021 15:43:21 +0300"
        ],
        "X-Virus-Scanned": [
            "amavisd-new at osuosl.org",
            "amavisd-new at osuosl.org"
        ],
        "X-Greylist": "domain auto-whitelisted by SQLgrey-1.8.0",
        "To": "dev@openvswitch.org",
        "Date": "Wed, 15 Sep 2021 15:43:18 +0300",
        "Message-Id": "<20210915124319.1683219-7-cmi@nvidia.com>",
        "X-Mailer": "git-send-email 2.27.0",
        "In-Reply-To": "<20210915124319.1683219-1-cmi@nvidia.com>",
        "References": "<20210915124319.1683219-1-cmi@nvidia.com>",
        "MIME-Version": "1.0",
        "Cc": "elibr@nvidia.com, simon.horman@netronome.com, roniba@nvidia.com,\n i.maximets@ovn.org",
        "Subject": "[ovs-dev] [PATCH v15 6/7] ofproto: Introduce API to process sFlow\n\toffload packet",
        "X-BeenThere": "ovs-dev@openvswitch.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "<ovs-dev.openvswitch.org>",
        "List-Unsubscribe": "<https://mail.openvswitch.org/mailman/options/ovs-dev>,\n <mailto:ovs-dev-request@openvswitch.org?subject=unsubscribe>",
        "List-Archive": "<http://mail.openvswitch.org/pipermail/ovs-dev/>",
        "List-Post": "<mailto:ovs-dev@openvswitch.org>",
        "List-Help": "<mailto:ovs-dev-request@openvswitch.org?subject=help>",
        "List-Subscribe": "<https://mail.openvswitch.org/mailman/listinfo/ovs-dev>,\n <mailto:ovs-dev-request@openvswitch.org?subject=subscribe>",
        "From": "Chris Mi via dev <ovs-dev@openvswitch.org>",
        "Reply-To": "Chris Mi <cmi@nvidia.com>",
        "Content-Type": "text/plain; charset=\"us-ascii\"",
        "Content-Transfer-Encoding": "7bit",
        "Errors-To": "ovs-dev-bounces@openvswitch.org",
        "Sender": "\"dev\" <ovs-dev-bounces@openvswitch.org>"
    },
    "content": "Process sFlow offload packet in handler thread if handler id is 0.\n\nSigned-off-by: Chris Mi <cmi@nvidia.com>\nReviewed-by: Eli Britstein <elibr@nvidia.com>\n---\n ofproto/ofproto-dpif-upcall.c | 63 +++++++++++++++++++++++++++++++++++\n 1 file changed, 63 insertions(+)",
    "diff": "diff --git a/ofproto/ofproto-dpif-upcall.c b/ofproto/ofproto-dpif-upcall.c\nindex 1c9c720f0..4a36a45bb 100644\n--- a/ofproto/ofproto-dpif-upcall.c\n+++ b/ofproto/ofproto-dpif-upcall.c\n@@ -22,6 +22,7 @@\n #include \"connmgr.h\"\n #include \"coverage.h\"\n #include \"cmap.h\"\n+#include \"lib/dpif-offload-provider.h\"\n #include \"lib/dpif-provider.h\"\n #include \"dpif.h\"\n #include \"openvswitch/dynamic-string.h\"\n@@ -779,6 +780,57 @@ udpif_get_n_flows(struct udpif *udpif)\n     return flow_count;\n }\n \n+static void\n+process_offload_sflow(struct udpif *udpif, struct dpif_offload_sflow *sflow)\n+{\n+    const struct dpif_sflow_attr *attr = sflow->attr;\n+    const struct user_action_cookie *cookie;\n+    struct dpif_sflow *dpif_sflow;\n+    struct ofproto_dpif *ofproto;\n+    struct upcall upcall;\n+    uint32_t iifindex;\n+    struct flow flow;\n+\n+    if (!attr) {\n+        VLOG_WARN_RL(&rl, \"%s: sFlow upcall is missing its attribute\",\n+                     __func__);\n+        return;\n+    }\n+\n+    cookie = nl_attr_get(attr->userdata);\n+    if (!cookie) {\n+        VLOG_WARN_RL(&rl, \"%s: user action cookie is missing\", __func__);\n+        return;\n+    }\n+    ofproto = ofproto_dpif_lookup_by_uuid(&cookie->ofproto_uuid);\n+    if (!ofproto) {\n+        VLOG_WARN_RL(&rl, \"%s: sFlow upcall can't find ofproto dpif for UUID \"\n+                     UUID_FMT, __func__, UUID_ARGS(&cookie->ofproto_uuid));\n+        return;\n+    }\n+    dpif_sflow = ofproto->sflow;\n+    if (!dpif_sflow) {\n+        VLOG_WARN_RL(&rl, \"%s: sFlow upcall is missing dpif information\",\n+                     __func__);\n+        return;\n+    }\n+\n+    memset(&flow, 0, sizeof flow);\n+    if (attr->tunnel) {\n+        memcpy(&flow.tunnel, attr->tunnel, sizeof flow.tunnel);\n+    }\n+    iifindex = sflow->iifindex;\n+    flow.in_port.odp_port = netdev_ifindex_to_odp_port(iifindex);\n+    memset(&upcall, 0, sizeof upcall);\n+    upcall.flow = &flow;\n+    upcall.cookie = *cookie;\n+    upcall.packet = &sflow->packet;\n+    upcall.sflow = dpif_sflow;\n+    upcall.ufid = &attr->ufid;\n+    upcall.type = SFLOW_UPCALL;\n+    process_upcall(udpif, &upcall, NULL, NULL);\n+}\n+\n /* The upcall handler thread tries to read a batch of UPCALL_MAX_BATCH\n  * upcalls from dpif, processes the batch and installs corresponding flows\n  * in dpif. */\n@@ -795,6 +847,17 @@ udpif_upcall_handler(void *arg)\n             dpif_recv_wait(udpif->dpif, handler->handler_id);\n             latch_wait(&udpif->exit_latch);\n         }\n+        /* Only handler id 0 thread process sFlow offload packet. */\n+        if (handler->handler_id == 0) {\n+            struct dpif_offload_sflow sflow;\n+            int err;\n+\n+            dpif_offload_sflow_recv_wait(udpif->dpif);\n+            err = dpif_offload_sflow_recv(udpif->dpif, &sflow);\n+            if (!err) {\n+                process_offload_sflow(udpif, &sflow);\n+            }\n+        }\n         poll_block();\n     }\n \n",
    "prefixes": [
        "ovs-dev",
        "v15",
        "6/7"
    ]
}