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GET /api/patches/810048/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 810048,
    "url": "http://patchwork.ozlabs.org/api/patches/810048/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/1504603381-30071-8-git-send-email-yliu@fridaylinux.org/",
    "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": "<1504603381-30071-8-git-send-email-yliu@fridaylinux.org>",
    "list_archive_url": null,
    "date": "2017-09-05T09:23:00",
    "name": "[ovs-dev,v2,7/8] netdev-dpdk: remove offloaded flow on deletion",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "3550b5abf51e716b4034327309c0aa0be92f245d",
    "submitter": {
        "id": 72215,
        "url": "http://patchwork.ozlabs.org/api/people/72215/?format=api",
        "name": "Yuanhan Liu",
        "email": "yliu@fridaylinux.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/1504603381-30071-8-git-send-email-yliu@fridaylinux.org/mbox/",
    "series": [
        {
            "id": 1528,
            "url": "http://patchwork.ozlabs.org/api/series/1528/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=1528",
            "date": "2017-09-05T09:22:53",
            "name": "OVS-DPDK flow offload with rte_flow",
            "version": 2,
            "mbox": "http://patchwork.ozlabs.org/series/1528/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/810048/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/810048/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        ],
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        ],
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        "X-Received": "by 10.84.236.69 with SMTP id h5mr3608198pln.338.1504603436651;\n\tTue, 05 Sep 2017 02:23:56 -0700 (PDT)",
        "From": "Yuanhan Liu <yliu@fridaylinux.org>",
        "To": "dev@openvswitch.org",
        "Date": "Tue,  5 Sep 2017 17:23:00 +0800",
        "Message-Id": "<1504603381-30071-8-git-send-email-yliu@fridaylinux.org>",
        "X-Mailer": "git-send-email 2.7.4",
        "In-Reply-To": "<1504603381-30071-1-git-send-email-yliu@fridaylinux.org>",
        "References": "<1504603381-30071-1-git-send-email-yliu@fridaylinux.org>",
        "X-Spam-Status": "No, score=0.5 required=5.0 tests=DKIM_SIGNED,DKIM_VALID,\n\tRCVD_IN_DNSWL_NONE,\n\tRCVD_IN_SORBS_SPAM autolearn=disabled version=3.3.1",
        "X-Spam-Checker-Version": "SpamAssassin 3.3.1 (2010-03-16) on\n\tsmtp1.linux-foundation.org",
        "Subject": "[ovs-dev] [PATCH v2 7/8] netdev-dpdk: remove offloaded flow on\n\tdeletion",
        "X-BeenThere": "ovs-dev@openvswitch.org",
        "X-Mailman-Version": "2.1.12",
        "Precedence": "list",
        "List-Id": "<ovs-dev.openvswitch.org>",
        "List-Unsubscribe": "<https://mail.openvswitch.org/mailman/options/ovs-dev>,\n\t<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\t<mailto:ovs-dev-request@openvswitch.org?subject=subscribe>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=\"us-ascii\"",
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        "Sender": "ovs-dev-bounces@openvswitch.org",
        "Errors-To": "ovs-dev-bounces@openvswitch.org"
    },
    "content": "Inovke netdev class '->flow_del' method on flow deletion. The dpdk netdev\nimplementation will then remove the rte flow associated with the ufid.\n\nCo-authored-by: Finn Christensen <fc@napatech.com>\nSigned-off-by: Yuanhan Liu <yliu@fridaylinux.org>\nSigned-off-by: Finn Christensen <fc@napatech.com>\n---\n\nv2: - check the returned \"port\" from dp_netdev_lookup_port\n    - error log when flow is not found\n---\n lib/dpif-netdev.c | 10 ++++++++--\n lib/netdev-dpdk.c | 19 ++++++++++++++++++-\n 2 files changed, 26 insertions(+), 3 deletions(-)",
    "diff": "diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c\nindex 3099c73..2fbaa96 100644\n--- a/lib/dpif-netdev.c\n+++ b/lib/dpif-netdev.c\n@@ -1857,8 +1857,14 @@ dp_netdev_pmd_remove_flow(struct dp_netdev_pmd_thread *pmd,\n     dpcls_remove(cls, &flow->cr);\n     cmap_remove(&pmd->flow_table, node, dp_netdev_flow_hash(&flow->ufid));\n     if (flow->has_mark) {\n-        cmap_remove(&pmd->mark_to_flow, mark_node, flow->mark);\n-        flow->has_mark = false;\n+        struct dp_netdev_port *port;\n+\n+        port = dp_netdev_lookup_port(pmd->dp, in_port);\n+        if (port) {\n+            netdev_flow_del(port->netdev, &flow->ufid, NULL);\n+            cmap_remove(&pmd->mark_to_flow, mark_node, flow->mark);\n+            flow->has_mark = false;\n+        }\n     }\n     flow->dead = true;\n \ndiff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c\nindex 320fe80..e363c92 100644\n--- a/lib/netdev-dpdk.c\n+++ b/lib/netdev-dpdk.c\n@@ -3853,6 +3853,23 @@ netdev_dpdk_flow_put(struct netdev *netdev, struct match *match,\n                                             actions_len, ufid, info);\n }\n \n+static int\n+netdev_dpdk_flow_del(struct netdev *netdev, const ovs_u128 *ufid,\n+                     struct dpif_flow_stats *stats OVS_UNUSED)\n+{\n+\n+    struct rte_flow *rte_flow = get_rte_flow_by_ufid(ufid);\n+\n+    if (!rte_flow) {\n+        VLOG_ERR(\"failed to find flow associated with ufid \" UUID_FMT \"\\n\",\n+                 UUID_ARGS((struct uuid *)ufid));\n+        return -1;\n+    }\n+\n+    return netdev_dpdk_destroy_rte_flow(netdev_dpdk_cast(netdev),\n+                                        ufid, rte_flow);\n+}\n+\n #define DPDK_FLOW_OFFLOAD_API                                 \\\n     NULL,                   /* flow_flush */                  \\\n     NULL,                   /* flow_dump_create */            \\\n@@ -3860,7 +3877,7 @@ netdev_dpdk_flow_put(struct netdev *netdev, struct match *match,\n     NULL,                   /* flow_dump_next */              \\\n     netdev_dpdk_flow_put,                                     \\\n     NULL,                   /* flow_get */                    \\\n-    NULL,                   /* flow_del */                    \\\n+    netdev_dpdk_flow_del,                                     \\\n     NULL                    /* init_flow_api */\n \n \n",
    "prefixes": [
        "ovs-dev",
        "v2",
        "7/8"
    ]
}