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{
    "id": 38583,
    "url": "http://patches.dpdk.org/api/patches/38583/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20180419181901.6584-1-jshraddha@vmware.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": "<20180419181901.6584-1-jshraddha@vmware.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20180419181901.6584-1-jshraddha@vmware.com",
    "date": "2018-04-19T18:19:01",
    "name": "[dpdk-dev] net/vmxnet3: increase rx data ring descriptor size",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "e6b9ea40c2d2b8583b534b27a33f72499a47c3ff",
    "submitter": {
        "id": 1017,
        "url": "http://patches.dpdk.org/api/people/1017/?format=api",
        "name": "Shraddha Joshi",
        "email": "jshraddha@vmware.com"
    },
    "delegate": {
        "id": 319,
        "url": "http://patches.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@amd.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20180419181901.6584-1-jshraddha@vmware.com/mbox/",
    "series": [],
    "comments": "http://patches.dpdk.org/api/patches/38583/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/38583/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id EF8C9AAB7;\n\tThu, 19 Apr 2018 20:19:33 +0200 (CEST)",
            "from EX13-EDG-OU-002.vmware.com (ex13-edg-ou-002.vmware.com\n\t[208.91.0.190]) by dpdk.org (Postfix) with ESMTP id B0BD4AA99\n\tfor <dev@dpdk.org>; Thu, 19 Apr 2018 20:19:32 +0200 (CEST)",
            "from sc9-mailhost2.vmware.com (10.113.161.72) by\n\tEX13-EDG-OU-002.vmware.com (10.113.208.156) with Microsoft SMTP\n\tServer id 15.0.1156.6; Thu, 19 Apr 2018 11:19:22 -0700",
            "from vmware.eng.vmware.com (unknown [10.33.75.69])\n\tby sc9-mailhost2.vmware.com (Postfix) with ESMTP id 9D067B18C3;\n\tThu, 19 Apr 2018 11:19:31 -0700 (PDT)"
        ],
        "From": "Shraddha Joshi <jshraddha@vmware.com>",
        "To": "<yongwang@vmware.com>",
        "CC": "<dev@dpdk.org>, Shraddha Joshi <jshraddha@vmware.com>",
        "Date": "Thu, 19 Apr 2018 11:19:01 -0700",
        "Message-ID": "<20180419181901.6584-1-jshraddha@vmware.com>",
        "X-Mailer": "git-send-email 2.11.0",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain",
        "Received-SPF": "None (EX13-EDG-OU-002.vmware.com: jshraddha@vmware.com does not\n\tdesignate permitted sender hosts)",
        "Subject": "[dpdk-dev] [PATCH] net/vmxnet3: increase rx data ring descriptor\n\tsize",
        "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://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "Vmxnet3 driver supports receive data ring viz. a set of small sized\nbuffers that are always mapped by the emulation. If a packet fits into\nthe receive data ring buffer, the emulation delivers the packet via the\nreceive data ring.\n\nIncreasing the receive data ring descriptor size from 128 to 256\nshowed performance gains as high as 5% for packets smaller than 256.\n\nSigned-off-by: Shraddha Joshi <jshraddha@vmware.com>\nAcked-by: Jin Heo <heoj@vmware.com>\nAcked-by: Guolin Yang <gyang@vmware.com>\nAcked-by: Boon Ang <bang@vmware.com>\n---\n drivers/net/vmxnet3/vmxnet3_ring.h | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/net/vmxnet3/vmxnet3_ring.h b/drivers/net/vmxnet3/vmxnet3_ring.h\nindex 552180e84..50992349d 100644\n--- a/drivers/net/vmxnet3/vmxnet3_ring.h\n+++ b/drivers/net/vmxnet3/vmxnet3_ring.h\n@@ -14,7 +14,7 @@\n #define VMXNET3_DEF_RX_RING_SIZE 128\n \n /* Default rx data ring desc size */\n-#define VMXNET3_DEF_RXDATA_DESC_SIZE 128\n+#define VMXNET3_DEF_RXDATA_DESC_SIZE 256\n \n #define VMXNET3_SUCCESS 0\n #define VMXNET3_FAIL   -1\n",
    "prefixes": [
        "dpdk-dev"
    ]
}