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GET /api/patches/810334/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 810334,
    "url": "http://patchwork.ozlabs.org/api/patches/810334/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/20170905235304.4016-1-kumaranand@vmware.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": "<20170905235304.4016-1-kumaranand@vmware.com>",
    "list_archive_url": null,
    "date": "2017-09-05T23:53:04",
    "name": "[ovs-dev] datapath-windows: Increment ct packet counters based on ct_state.",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "ff5ed0edce055573e358cab37396fc9742265a7d",
    "submitter": {
        "id": 69801,
        "url": "http://patchwork.ozlabs.org/api/people/69801/?format=api",
        "name": "Anand Kumar",
        "email": "kumaranand@vmware.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/20170905235304.4016-1-kumaranand@vmware.com/mbox/",
    "series": [
        {
            "id": 1670,
            "url": "http://patchwork.ozlabs.org/api/series/1670/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=1670",
            "date": "2017-09-05T23:53:04",
            "name": "[ovs-dev] datapath-windows: Increment ct packet counters based on ct_state.",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/1670/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/810334/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/810334/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@bilbo.ozlabs.org",
            "ovs-dev@mail.linuxfoundation.org"
        ],
        "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=openvswitch.org\n\t(client-ip=140.211.169.12; helo=mail.linuxfoundation.org;\n\tenvelope-from=ovs-dev-bounces@openvswitch.org;\n\treceiver=<UNKNOWN>)",
        "Received": [
            "from mail.linuxfoundation.org (mail.linuxfoundation.org\n\t[140.211.169.12])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xn3Sd4KS0z9t2W\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed,  6 Sep 2017 09:53:20 +1000 (AEST)",
            "from mail.linux-foundation.org (localhost [127.0.0.1])\n\tby mail.linuxfoundation.org (Postfix) with ESMTP id 37DE6A88;\n\tTue,  5 Sep 2017 23:53:17 +0000 (UTC)",
            "from smtp1.linuxfoundation.org (smtp1.linux-foundation.org\n\t[172.17.192.35])\n\tby mail.linuxfoundation.org (Postfix) with ESMTPS id 01D0394B\n\tfor <dev@openvswitch.org>; Tue,  5 Sep 2017 23:53:16 +0000 (UTC)",
            "from EX13-EDG-OU-001.vmware.com (ex13-edg-ou-001.vmware.com\n\t[208.91.0.189])\n\tby smtp1.linuxfoundation.org (Postfix) with ESMTPS id 6B7F0463\n\tfor <dev@openvswitch.org>; Tue,  5 Sep 2017 23:53:15 +0000 (UTC)",
            "from sc9-mailhost2.vmware.com (10.113.161.72) by\n\tEX13-EDG-OU-001.vmware.com (10.113.208.155) with Microsoft SMTP\n\tServer id 15.0.1156.6; Tue, 5 Sep 2017 16:53:07 -0700",
            "from localhost.localdomain (htb-1s-eng-dhcp106.eng.vmware.com\n\t[10.33.78.106])\n\tby sc9-mailhost2.vmware.com (Postfix) with ESMTP id 9AF1AB0030;\n\tTue,  5 Sep 2017 16:53:14 -0700 (PDT)"
        ],
        "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6",
        "From": "Anand Kumar <kumaranand@vmware.com>",
        "To": "<dev@openvswitch.org>",
        "Date": "Tue, 5 Sep 2017 16:53:04 -0700",
        "Message-ID": "<20170905235304.4016-1-kumaranand@vmware.com>",
        "X-Mailer": "git-send-email 2.9.3.windows.1",
        "MIME-Version": "1.0",
        "Received-SPF": "None (EX13-EDG-OU-001.vmware.com: kumaranand@vmware.com does\n\tnot designate permitted sender hosts)",
        "X-Spam-Status": "No, score=-2.3 required=5.0 tests=RCVD_IN_DNSWL_MED,\n\tRP_MATCHES_RCVD 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] datapath-windows: Increment ct packet counters\n\tbased on ct_state.",
        "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>",
        "Content-Type": "text/plain; charset=\"us-ascii\"",
        "Content-Transfer-Encoding": "7bit",
        "Sender": "ovs-dev-bounces@openvswitch.org",
        "Errors-To": "ovs-dev-bounces@openvswitch.org"
    },
    "content": "For a given packet, packet counters in conntrack should be accounted only\nonce, even if the packet is processed multiple times by conntrack.\n\nWhen a packet is processed by conntrack, ct_state flag is set to\nOVS_CS_F_TRACKED. Use this state to identify if a packet has been\nprocessed previously by conntrack.\n\nAlso update the ct packet counters when ct entry is created.\n\nWith this patch, the conntrack's packet counters behavior is similar\nto linux\n\nSigned-off-by: Anand Kumar <kumaranand@vmware.com>\n---\n datapath-windows/ovsext/Conntrack.c | 34 +++++++++++++++++++++-------------\n 1 file changed, 21 insertions(+), 13 deletions(-)",
    "diff": "diff --git a/datapath-windows/ovsext/Conntrack.c b/datapath-windows/ovsext/Conntrack.c\nindex 8bcda05..0adb6d5 100644\n--- a/datapath-windows/ovsext/Conntrack.c\n+++ b/datapath-windows/ovsext/Conntrack.c\n@@ -169,6 +169,18 @@ OvsPostCtEventEntry(POVS_CT_ENTRY entry, UINT8 type)\n     OvsPostCtEvent(&ctEventEntry);\n }\n \n+static __inline VOID\n+OvsCtIncrementCounters(POVS_CT_ENTRY entry, BOOLEAN reply, PNET_BUFFER_LIST nbl)\n+{\n+    if (reply) {\n+        entry->rev_key.byteCount+= OvsPacketLenNBL(nbl);\n+        entry->rev_key.packetCount++;\n+    } else {\n+        entry->key.byteCount += OvsPacketLenNBL(nbl);\n+        entry->key.packetCount++;\n+    }\n+}\n+\n static __inline BOOLEAN\n OvsCtAddEntry(POVS_CT_ENTRY entry, OvsConntrackKeyLookupCtx *ctx,\n               PNAT_ACTION_INFO natInfo, UINT64 now)\n@@ -287,6 +299,9 @@ OvsCtEntryCreate(OvsForwardingContext *fwdCtx,\n     }\n \n     OvsCtUpdateFlowKey(key, state, ctx->key.zone, 0, NULL);\n+    if (entry) {\n+        OvsCtIncrementCounters(entry, ctx->reply, curNbl);\n+    }\n     return entry;\n }\n \n@@ -382,18 +397,6 @@ OvsCtKeyAreSame(OVS_CT_KEY ctxKey, OVS_CT_KEY entryKey)\n             (ctxKey.zone == entryKey.zone));\n }\n \n-static __inline VOID\n-OvsCtIncrementCounters(POVS_CT_ENTRY entry, BOOLEAN reply, PNET_BUFFER_LIST nbl)\n-{\n-    if (reply) {\n-        entry->rev_key.byteCount+= OvsPacketLenNBL(nbl);\n-        entry->rev_key.packetCount++;\n-    } else {\n-        entry->key.byteCount += OvsPacketLenNBL(nbl);\n-        entry->key.packetCount++;\n-    }\n-}\n-\n POVS_CT_ENTRY\n OvsCtLookup(OvsConntrackKeyLookupCtx *ctx)\n {\n@@ -730,6 +733,12 @@ OvsCtExecute_(OvsForwardingContext *fwdCtx,\n         NdisReleaseRWLock(ovsConntrackLockObj, &lockState);\n         OVS_LOG_ERROR(\"Conntrack Limit hit: %lu\", ctTotalEntries);\n         return NDIS_STATUS_RESOURCES;\n+\n+    /* Increment the counters soon after the lookup, since we set ct.state\n+     * to OVS_CS_F_TRACKED after processing the ct entry.\n+     */\n+    if (entry && (!(key->ct.state & OVS_CS_F_TRACKED))) {\n+        OvsCtIncrementCounters(entry, ctx.reply, curNbl);\n     }\n \n     if (!entry) {\n@@ -740,7 +749,6 @@ OvsCtExecute_(OvsForwardingContext *fwdCtx,\n                                  &entryCreated);\n     } else {\n         /* Process the entry and update CT flags */\n-        OvsCtIncrementCounters(entry, ctx.reply, curNbl);\n         entry = OvsProcessConntrackEntry(fwdCtx, layers->l4Offset, &ctx, key,\n                                          zone, natInfo, commit, currentTime,\n                                          &entryCreated);\n",
    "prefixes": [
        "ovs-dev"
    ]
}