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GET /api/patches/867758/?format=api
{ "id": 867758, "url": "http://patchwork.ozlabs.org/api/patches/867758/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20180131005154.19264.9737.stgit@localhost6.localdomain6/", "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": "<20180131005154.19264.9737.stgit@localhost6.localdomain6>", "list_archive_url": null, "date": "2018-01-31T00:51:54", "name": "[9/9] ixgbevf: add build_skb support", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "f89bc660d18b5daccb6180f613e8f72a2acf7fd2", "submitter": { "id": 1670, "url": "http://patchwork.ozlabs.org/api/people/1670/?format=api", "name": "Tantilov, Emil S", "email": "emil.s.tantilov@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/20180131005154.19264.9737.stgit@localhost6.localdomain6/mbox/", "series": [ { "id": 26180, "url": "http://patchwork.ozlabs.org/api/series/26180/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=26180", "date": "2018-01-31T00:51:07", "name": "ixgbevf: build_skb support and related changes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/26180/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/867758/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/867758/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=140.211.166.136; helo=silver.osuosl.org;\n\tenvelope-from=intel-wired-lan-bounces@osuosl.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3zWPgX3Slbz9ryQ\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 31 Jan 2018 11:46:00 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id 129602FCC2;\n\tWed, 31 Jan 2018 00:45:59 +0000 (UTC)", "from silver.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id BAFreW3r0eVL; Wed, 31 Jan 2018 00:45:57 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby silver.osuosl.org (Postfix) with ESMTP id E6D4D2FC78;\n\tWed, 31 Jan 2018 00:45:57 +0000 (UTC)", "from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137])\n\tby ash.osuosl.org (Postfix) with ESMTP id 842B41C4377\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 31 Jan 2018 00:45:56 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 8144C87DAC\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 31 Jan 2018 00:45:56 +0000 (UTC)", "from fraxinus.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id 6F6d3Xn8jSsl for <intel-wired-lan@lists.osuosl.org>;\n\tWed, 31 Jan 2018 00:45:55 +0000 (UTC)", "from mga14.intel.com (mga14.intel.com [192.55.52.115])\n\tby fraxinus.osuosl.org (Postfix) with ESMTPS id D0E5B87D9C\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 31 Jan 2018 00:45:55 +0000 (UTC)", "from fmsmga007.fm.intel.com ([10.253.24.52])\n\tby fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t30 Jan 2018 16:45:55 -0800", "from estantil-desk3.jf.intel.com (HELO localhost6.localdomain6)\n\t([134.134.177.100])\n\tby fmsmga007.fm.intel.com with ESMTP; 30 Jan 2018 16:45:55 -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=\"5.46,437,1511856000\"; d=\"scan'208\";a=\"14182474\"", "From": "Emil Tantilov <emil.s.tantilov@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Tue, 30 Jan 2018 16:51:54 -0800", "Message-ID": "<20180131005154.19264.9737.stgit@localhost6.localdomain6>", "In-Reply-To": "<20180131005015.19264.44085.stgit@localhost6.localdomain6>", "References": "<20180131005015.19264.44085.stgit@localhost6.localdomain6>", "User-Agent": "StGit/0.17.1-17-ge4e0", "MIME-Version": "1.0", "Subject": "[Intel-wired-lan] [PATCH 9/9] ixgbevf: add build_skb support", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.24", "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": "Add support for build_skb() similar to:\ncommit 6f429223b31c (\"ixgbe: Add support for build_skb\")\n\nSigned-off-by: Emil Tantilov <emil.s.tantilov@intel.com>\n---\n drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 41 +++++++++++++++++++++\n 1 file changed, 41 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c\nindex cd8c0a0..74fcb4c 100644\n--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c\n+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c\n@@ -910,6 +910,44 @@ static inline void ixgbevf_irq_enable_queues(struct ixgbevf_adapter *adapter,\n \tIXGBE_WRITE_REG(hw, IXGBE_VTEIMS, qmask);\n }\n \n+static struct sk_buff *ixgbevf_build_skb(struct ixgbevf_ring *rx_ring,\n+\t\t\t\t\t struct ixgbevf_rx_buffer *rx_buffer,\n+\t\t\t\t\t union ixgbe_adv_rx_desc *rx_desc,\n+\t\t\t\t\t unsigned int size)\n+{\n+\tvoid *va = page_address(rx_buffer->page) + rx_buffer->page_offset;\n+#if (PAGE_SIZE < 8192)\n+\tunsigned int truesize = ixgbevf_rx_pg_size(rx_ring) / 2;\n+#else\n+\tunsigned int truesize = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) +\n+\t\t\t\tSKB_DATA_ALIGN(IXGBEVF_SKB_PAD + size);\n+#endif\n+\tstruct sk_buff *skb;\n+\n+\t/* prefetch first cache line of first page */\n+\tprefetch(va);\n+#if L1_CACHE_BYTES < 128\n+\tprefetch(va + L1_CACHE_BYTES);\n+#endif\n+\n+\t/* build an skb to around the page buffer */\n+\tskb = build_skb(va - IXGBEVF_SKB_PAD, truesize);\n+\tif (unlikely(!skb))\n+\t\treturn NULL;\n+\n+\t/* update pointers within the skb to store the data */\n+\tskb_reserve(skb, IXGBEVF_SKB_PAD);\n+\t__skb_put(skb, size);\n+\n+\t/* update buffer offset */\n+#if (PAGE_SIZE < 8192)\n+\trx_buffer->page_offset ^= truesize;\n+#else\n+\trx_buffer->page_offset += truesize;\n+#endif\n+\n+\treturn skb;\n+}\n static int ixgbevf_clean_rx_irq(struct ixgbevf_q_vector *q_vector,\n \t\t\t\tstruct ixgbevf_ring *rx_ring,\n \t\t\t\tint budget)\n@@ -945,6 +983,9 @@ static int ixgbevf_clean_rx_irq(struct ixgbevf_q_vector *q_vector,\n \t\t/* retrieve a buffer from the ring */\n \t\tif (skb)\n \t\t\tixgbevf_add_rx_frag(rx_ring, rx_buffer, skb, size);\n+\t\telse if (ring_uses_build_skb(rx_ring))\n+\t\t\tskb = ixgbevf_build_skb(rx_ring, rx_buffer,\n+\t\t\t\t\t\trx_desc, size);\n \t\telse\n \t\t\tskb = ixgbevf_construct_skb(rx_ring, rx_buffer,\n \t\t\t\t\t\t rx_desc, size);\n", "prefixes": [ "9/9" ] }