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GET /api/patches/1208820/?format=api
{ "id": 1208820, "url": "http://patchwork.ozlabs.org/api/patches/1208820/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20191212111307.33566-1-anthony.l.nguyen@intel.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": "<20191212111307.33566-1-anthony.l.nguyen@intel.com>", "list_archive_url": null, "date": "2019-12-12T11:12:53", "name": "[S35,01/15] ice: Support UDP segmentation offload", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "3fc93ea3b059ee2ca17c1f4b03916b16c851686c", "submitter": { "id": 68875, "url": "http://patchwork.ozlabs.org/api/people/68875/?format=api", "name": "Tony Nguyen", "email": "anthony.l.nguyen@intel.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/20191212111307.33566-1-anthony.l.nguyen@intel.com/mbox/", "series": [ { "id": 148167, "url": "http://patchwork.ozlabs.org/api/series/148167/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=148167", "date": "2019-12-12T11:13:03", "name": "[S35,01/15] ice: Support UDP segmentation offload", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/148167/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1208820/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1208820/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; spf=pass (sender SPF authorized)\n\tsmtp.mailfrom=osuosl.org (client-ip=140.211.166.133;\n\thelo=hemlock.osuosl.org;\n\tenvelope-from=intel-wired-lan-bounces@osuosl.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org;\n\tdmarc=fail (p=none dis=none) header.from=intel.com" ], "Received": [ "from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\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 47Yklc5L2wz9sPh\n\tfor <incoming@patchwork.ozlabs.org>;\n\tFri, 13 Dec 2019 06:44:44 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id C303D888D9;\n\tThu, 12 Dec 2019 19:44:42 +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 9a3llUECkc96; Thu, 12 Dec 2019 19:44:41 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id AFD47888D2;\n\tThu, 12 Dec 2019 19:44:41 +0000 (UTC)", "from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n\tby ash.osuosl.org (Postfix) with ESMTP id 9CCB31BF340\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 12 Dec 2019 19:44:38 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 904F5888C8\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 12 Dec 2019 19:44:38 +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 rdezXEY-tINQ for <intel-wired-lan@lists.osuosl.org>;\n\tThu, 12 Dec 2019 19:44:35 +0000 (UTC)", "from mga01.intel.com (mga01.intel.com [192.55.52.88])\n\tby hemlock.osuosl.org (Postfix) with ESMTPS id C6126888BE\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 12 Dec 2019 19:44:35 +0000 (UTC)", "from orsmga001.jf.intel.com ([10.7.209.18])\n\tby fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t12 Dec 2019 11:44:35 -0800", "from unknown (HELO localhost.jf.intel.com) ([10.166.244.174])\n\tby orsmga001.jf.intel.com with ESMTP; 12 Dec 2019 11:44:34 -0800" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.69,306,1571727600\"; d=\"scan'208\";a=\"296698848\"", "From": "Tony Nguyen <anthony.l.nguyen@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Thu, 12 Dec 2019 03:12:53 -0800", "Message-Id": "<20191212111307.33566-1-anthony.l.nguyen@intel.com>", "X-Mailer": "git-send-email 2.20.1", "MIME-Version": "1.0", "Subject": "[Intel-wired-lan] [PATCH S35 01/15] ice: Support UDP segmentation\n\toffload", "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>", "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": "From: Brett Creeley <brett.creeley@intel.com>\n\nBased on the work done by Alex Duyck on other Intel drivers, add code to\nsupport UDP segmentation offload (USO) for the ice driver.\n\nSigned-off-by: Brett Creeley <brett.creeley@intel.com>\nSigned-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>\n---\n drivers/net/ethernet/intel/ice/ice_main.c | 3 ++-\n drivers/net/ethernet/intel/ice/ice_txrx.c | 15 ++++++++++++---\n 2 files changed, 14 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c\nindex d8809a5c07d6..31cd816e7cfb 100644\n--- a/drivers/net/ethernet/intel/ice/ice_main.c\n+++ b/drivers/net/ethernet/intel/ice/ice_main.c\n@@ -2336,7 +2336,8 @@ static void ice_set_netdev_features(struct net_device *netdev)\n \t\t\t NETIF_F_HW_VLAN_CTAG_TX |\n \t\t\t NETIF_F_HW_VLAN_CTAG_RX;\n \n-\ttso_features = NETIF_F_TSO;\n+\ttso_features = NETIF_F_TSO\t\t|\n+\t\t NETIF_F_GSO_UDP_L4;\n \n \t/* set features that user can change */\n \tnetdev->hw_features = dflt_features | csumo_features |\ndiff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c\nindex 2c212f64d99f..b77514bbd7ba 100644\n--- a/drivers/net/ethernet/intel/ice/ice_txrx.c\n+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c\n@@ -1925,6 +1925,7 @@ int ice_tso(struct ice_tx_buf *first, struct ice_tx_offload_params *off)\n \t} ip;\n \tunion {\n \t\tstruct tcphdr *tcp;\n+\t\tstruct udphdr *udp;\n \t\tunsigned char *hdr;\n \t} l4;\n \tu64 cd_mss, cd_tso_len;\n@@ -1958,10 +1959,18 @@ int ice_tso(struct ice_tx_buf *first, struct ice_tx_offload_params *off)\n \n \t/* remove payload length from checksum */\n \tpaylen = skb->len - l4_start;\n-\tcsum_replace_by_diff(&l4.tcp->check, (__force __wsum)htonl(paylen));\n \n-\t/* compute length of segmentation header */\n-\toff->header_len = (l4.tcp->doff * 4) + l4_start;\n+\tif (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) {\n+\t\tcsum_replace_by_diff(&l4.udp->check,\n+\t\t\t\t (__force __wsum)htonl(paylen));\n+\t\t/* compute length of UDP segmentation header */\n+\t\toff->header_len = sizeof(l4.udp) + l4_start;\n+\t} else {\n+\t\tcsum_replace_by_diff(&l4.tcp->check,\n+\t\t\t\t (__force __wsum)htonl(paylen));\n+\t\t/* compute length of TCP segmentation header */\n+\t\toff->header_len = (l4.tcp->doff * 4) + l4_start;\n+\t}\n \n \t/* update gso_segs and bytecount */\n \tfirst->gso_segs = skb_shinfo(skb)->gso_segs;\n", "prefixes": [ "S35", "01/15" ] }