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GET /api/patches/1175406/?format=api
{ "id": 1175406, "url": "http://patchwork.ozlabs.org/api/patches/1175406/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1570812820-20052-4-git-send-email-johunt@akamai.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1570812820-20052-4-git-send-email-johunt@akamai.com>", "list_archive_url": null, "date": "2019-10-11T16:53:40", "name": "[v3,3/3] i40e: Add UDP segmentation offload support", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "01795b0bfbd34fb5290cbd696fdb717b8fbef9d6", "submitter": { "id": 4788, "url": "http://patchwork.ozlabs.org/api/people/4788/?format=api", "name": "Josh Hunt", "email": "johunt@akamai.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1570812820-20052-4-git-send-email-johunt@akamai.com/mbox/", "series": [ { "id": 135642, "url": "http://patchwork.ozlabs.org/api/series/135642/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=135642", "date": "2019-10-11T16:53:37", "name": "igb, ixgbe, i40e UDP segmentation offload support", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/135642/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1175406/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1175406/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=osuosl.org\n\t(client-ip=140.211.166.138; helo=whitealder.osuosl.org;\n\tenvelope-from=intel-wired-lan-bounces@osuosl.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dmarc=fail (p=quarantine dis=none)\n\theader.from=akamai.com", "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tsecure) header.d=akamai.com header.i=@akamai.com header.b=\"NfZ5kUpL\";\n\tdkim-atps=neutral" ], "Received": [ "from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138])\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 46qYtr3Sbfz9sCJ\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat, 12 Oct 2019 03:53:40 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id 9E90D87F49;\n\tFri, 11 Oct 2019 16:53:38 +0000 (UTC)", "from whitealder.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id E4BuBtpu4rIq; Fri, 11 Oct 2019 16:53:37 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id AE68C87F76;\n\tFri, 11 Oct 2019 16:53:37 +0000 (UTC)", "from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n\tby ash.osuosl.org (Postfix) with ESMTP id AD8091BF2C7\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tFri, 11 Oct 2019 16:53:36 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id A5D59888EC\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tFri, 11 Oct 2019 16:53:36 +0000 (UTC)", "from hemlock.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id wD7x3wlJ5jAw for <intel-wired-lan@lists.osuosl.org>;\n\tFri, 11 Oct 2019 16:53:36 +0000 (UTC)", "from mx0a-00190b01.pphosted.com (mx0a-00190b01.pphosted.com\n\t[67.231.149.131])\n\tby hemlock.osuosl.org (Postfix) with ESMTPS id F19D9888EB\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tFri, 11 Oct 2019 16:53:35 +0000 (UTC)", "from pps.filterd (m0122332.ppops.net [127.0.0.1])\n\tby mx0a-00190b01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id\n\tx9BGqDAm015101; Fri, 11 Oct 2019 17:53:31 +0100", "from prod-mail-ppoint4 (prod-mail-ppoint4.akamai.com [96.6.114.87]\n\t(may be forged))\n\tby mx0a-00190b01.pphosted.com with ESMTP id 2vjt7us39k-1\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=NOT); Fri, 11 Oct 2019 17:53:30 +0100", "from pps.filterd (prod-mail-ppoint4.akamai.com [127.0.0.1])\n\tby prod-mail-ppoint4.akamai.com (8.16.0.27/8.16.0.27) with SMTP id\n\tx9BGloDB030555; Fri, 11 Oct 2019 12:53:29 -0400", "from prod-mail-relay14.akamai.com ([172.27.17.39])\n\tby prod-mail-ppoint4.akamai.com with ESMTP id 2veph4gxku-1;\n\tFri, 11 Oct 2019 12:53:28 -0400", "from bos-lpwg1 (bos-lpwg1.kendall.corp.akamai.com [172.29.171.203])\n\tby prod-mail-relay14.akamai.com (Postfix) with ESMTP id 44F6A81460; \n\tFri, 11 Oct 2019 16:53:13 +0000 (GMT)", "from johunt by bos-lpwg1 with local (Exim 4.86_2)\n\t(envelope-from <johunt@akamai.com>)\n\tid 1iIyAg-0005Ea-LK; Fri, 11 Oct 2019 12:53:42 -0400" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "from auto-whitelisted by SQLgrey-1.7.6", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=akamai.com;\n\th=from : to : cc :\n\tsubject : date : message-id : in-reply-to : references; s=jan2016.eng;\n\tbh=WrgzxCfSQCMoLA5JPc/oZqd8xph9TXAp92CBIBcGQLw=;\n\tb=NfZ5kUpLqgkEwOS90E2mmvjfcvO/I6V5IzRG+JJt2Zz1LvA0+vJj4zkPfC2qx+Rs9Muk\n\tPEy2UrsBR/yOqlfHCLgldycT5vx4R7FBAbb8VI+3myVTh+n0gSBFbCPn3zhCftNs1eV7\n\tmYlXa9Qz8sX0CDWP5/8fxvOm/LOxVXybrgPSlzGbmKEDv9xkKBof+Y5/VtZtx7JfSWxr\n\t1hftk/ewSrtPawRbUropqILwD8F78sp9bacVPAZZXmuqsTDu4kNo6eL9JevETMI4AEHv\n\tIw62cTYAiqeiWGMiPgTowRTr4kjaSuSm4B1T+xWzGVHYy0Jy/ZQEadZ7nCzz3Wm1YfqC\n\tmA== ", "From": "Josh Hunt <johunt@akamai.com>", "To": "netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org,\n\tjeffrey.t.kirsher@intel.com", "Date": "Fri, 11 Oct 2019 12:53:40 -0400", "Message-Id": "<1570812820-20052-4-git-send-email-johunt@akamai.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1570812820-20052-1-git-send-email-johunt@akamai.com>", "References": "<1570812820-20052-1-git-send-email-johunt@akamai.com>", "X-Proofpoint-Virus-Version": [ "vendor=fsecure engine=2.50.10434:, ,\n\tdefinitions=2019-10-11_10:, , signatures=0", "vendor=fsecure engine=2.50.10434:6.0.95,1.0.8\n\tdefinitions=2019-10-11_10:2019-10-10,2019-10-11 signatures=0" ], "X-Proofpoint-Spam-Details": [ "rule=notspam policy=default score=0 suspectscore=0\n\tmalwarescore=0\n\tphishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=947\n\tadultscore=0 classifier=spam adjust=0 reason=mlx scancount=1\n\tengine=8.0.1-1908290000 definitions=main-1910110148", "rule=notspam policy=default score=0 spamscore=0\n\tadultscore=0 mlxscore=0\n\tpriorityscore=1501 impostorscore=0 bulkscore=0 clxscore=1015\n\tphishscore=0\n\tsuspectscore=0 mlxlogscore=971 malwarescore=0 lowpriorityscore=0\n\tclassifier=spam adjust=0 reason=mlx scancount=1\n\tengine=8.12.0-1908290000\n\tdefinitions=main-1910110149" ], "Subject": "[Intel-wired-lan] [PATCH v3 3/3] i40e: Add UDP segmentation offload\n\tsupport", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@osuosl.org?subject=help>", "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Cc": "Alexander Duyck <alexander.h.duyck@intel.com>, willemb@google.com,\n\tJosh Hunt <johunt@akamai.com>, alexander.h.duyck@linux.intel.com", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "Based on a series from Alexander Duyck this change adds UDP segmentation\noffload support to the i40e driver.\n\nCC: Alexander Duyck <alexander.h.duyck@intel.com>\nCC: Willem de Bruijn <willemb@google.com>\nSigned-off-by: Josh Hunt <johunt@akamai.com>\n---\n drivers/net/ethernet/intel/i40e/i40e_main.c | 1 +\n drivers/net/ethernet/intel/i40e/i40e_txrx.c | 12 +++++++++---\n 2 files changed, 10 insertions(+), 3 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c\nindex 6031223eafab..56f8c52cbba1 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_main.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c\n@@ -12911,6 +12911,7 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)\n \t\t\t NETIF_F_GSO_IPXIP6\t\t|\n \t\t\t NETIF_F_GSO_UDP_TUNNEL\t|\n \t\t\t NETIF_F_GSO_UDP_TUNNEL_CSUM\t|\n+\t\t\t NETIF_F_GSO_UDP_L4\t\t|\n \t\t\t NETIF_F_SCTP_CRC\t\t|\n \t\t\t NETIF_F_RXHASH\t\t|\n \t\t\t NETIF_F_RXCSUM\t\t|\ndiff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c\nindex e3f29dc8b290..b8496037ef7f 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c\n@@ -2960,10 +2960,16 @@ static int i40e_tso(struct i40e_tx_buffer *first, u8 *hdr_len,\n \n \t/* remove payload length from inner checksum */\n \tpaylen = skb->len - l4_offset;\n-\tcsum_replace_by_diff(&l4.tcp->check, (__force __wsum)htonl(paylen));\n \n-\t/* compute length of segmentation header */\n-\t*hdr_len = (l4.tcp->doff * 4) + l4_offset;\n+\tif (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) {\n+\t\tcsum_replace_by_diff(&l4.udp->check, (__force __wsum)htonl(paylen));\n+\t\t/* compute length of segmentation header */\n+\t\t*hdr_len = sizeof(*l4.udp) + l4_offset;\n+\t} else {\n+\t\tcsum_replace_by_diff(&l4.tcp->check, (__force __wsum)htonl(paylen));\n+\t\t/* compute length of segmentation header */\n+\t\t*hdr_len = (l4.tcp->doff * 4) + l4_offset;\n+\t}\n \n \t/* pull values out of skb_shinfo */\n \tgso_size = skb_shinfo(skb)->gso_size;\n", "prefixes": [ "v3", "3/3" ] }