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GET /api/patches/822112/?format=api
{ "id": 822112, "url": "http://patchwork.ozlabs.org/api/patches/822112/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20171005215344.2886-11-alan.brady@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": "<20171005215344.2886-11-alan.brady@intel.com>", "list_archive_url": null, "date": "2017-10-05T21:53:40", "name": "[v3,10/14,net-next] ethtool: add ethtool_intersect_link_masks", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "0c2e3c3c87f9c0c7a2b9383e2f2c36b084c5622b", "submitter": { "id": 69551, "url": "http://patchwork.ozlabs.org/api/people/69551/?format=api", "name": "Alan Brady", "email": "alan.brady@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/20171005215344.2886-11-alan.brady@intel.com/mbox/", "series": [ { "id": 6727, "url": "http://patchwork.ozlabs.org/api/series/6727/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=6727", "date": "2017-10-05T21:53:35", "name": "i40e: refactor ethtool interface", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/6727/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/822112/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/822112/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 3y7RSq142pz9t4b\n\tfor <incoming@patchwork.ozlabs.org>;\n\tFri, 6 Oct 2017 08:57:15 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id AA097268FD;\n\tThu, 5 Oct 2017 21:57:13 +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 7OcPvLBxK+Ok; Thu, 5 Oct 2017 21:57:13 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby silver.osuosl.org (Postfix) with ESMTP id 02E8E26C77;\n\tThu, 5 Oct 2017 21:57:13 +0000 (UTC)", "from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137])\n\tby ash.osuosl.org (Postfix) with ESMTP id 842BE1CEB3B\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 5 Oct 2017 21:57:06 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 8060B8815C\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 5 Oct 2017 21:57:06 +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 cnJdI9Qfy5Ex for <intel-wired-lan@lists.osuosl.org>;\n\tThu, 5 Oct 2017 21:57:05 +0000 (UTC)", "from mga09.intel.com (mga09.intel.com [134.134.136.24])\n\tby fraxinus.osuosl.org (Postfix) with ESMTPS id 77B94880C4\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 5 Oct 2017 21:57:05 +0000 (UTC)", "from fmsmga005.fm.intel.com ([10.253.24.32])\n\tby orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t05 Oct 2017 14:56:41 -0700", "from dev1-atbrady.jf.intel.com ([10.165.248.38])\n\tby fmsmga005.fm.intel.com with ESMTP; 05 Oct 2017 14:56:41 -0700" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.42,482,1500966000\"; d=\"scan'208\";a=\"159384233\"", "From": "Alan Brady <alan.brady@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Thu, 5 Oct 2017 14:53:40 -0700", "Message-Id": "<20171005215344.2886-11-alan.brady@intel.com>", "X-Mailer": "git-send-email 2.14.1", "In-Reply-To": "<20171005215344.2886-1-alan.brady@intel.com>", "References": "<20171005215344.2886-1-alan.brady@intel.com>", "Subject": "[Intel-wired-lan] [PATCH v3 10/14 net-next] ethtool: add\n\tethtool_intersect_link_masks", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.18-1", "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>", "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": "This function provides a way to intersect two link masks together to\nfind the common ground between them. For example in i40e, the driver\nfirst generates link masks for what is supported by the PHY type. The\ndriver then gets the link masks for what the NVM supports. The\nresulting intersection between them yields what can truly be supported.\n\nSigned-off-by: Alan Brady <alan.brady@intel.com>\n---\n include/linux/ethtool.h | 10 ++++++++++\n net/core/ethtool.c | 16 ++++++++++++++++\n 2 files changed, 26 insertions(+)", "diff": "diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h\nindex 4587a4c36923..c77fa3529e15 100644\n--- a/include/linux/ethtool.h\n+++ b/include/linux/ethtool.h\n@@ -163,6 +163,16 @@ extern int\n __ethtool_get_link_ksettings(struct net_device *dev,\n \t\t\t struct ethtool_link_ksettings *link_ksettings);\n \n+/**\n+ * ethtool_intersect_link_masks - Given two link masks, AND them together\n+ * @dst: first mask and where result is stored\n+ * @src: second mask to intersect with\n+ *\n+ * Given two link mode masks, AND them together and save the result in dst.\n+ */\n+void ethtool_intersect_link_masks(struct ethtool_link_ksettings *dst,\n+\t\t\t\t struct ethtool_link_ksettings *src);\n+\n void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst,\n \t\t\t\t\t u32 legacy_u32);\n \ndiff --git a/net/core/ethtool.c b/net/core/ethtool.c\nindex 3228411ada0f..0c406306792a 100644\n--- a/net/core/ethtool.c\n+++ b/net/core/ethtool.c\n@@ -403,6 +403,22 @@ static int __ethtool_set_flags(struct net_device *dev, u32 data)\n \treturn 0;\n }\n \n+/* Given two link masks, AND them together and save the result in dst. */\n+void ethtool_intersect_link_masks(struct ethtool_link_ksettings *dst,\n+\t\t\t\t struct ethtool_link_ksettings *src)\n+{\n+\tunsigned int size = BITS_TO_LONGS(__ETHTOOL_LINK_MODE_MASK_NBITS);\n+\tunsigned int idx = 0;\n+\n+\tfor (; idx < size; idx++) {\n+\t\tdst->link_modes.supported[idx] &=\n+\t\t\tsrc->link_modes.supported[idx];\n+\t\tdst->link_modes.advertising[idx] &=\n+\t\t\tsrc->link_modes.advertising[idx];\n+\t}\n+}\n+EXPORT_SYMBOL(ethtool_intersect_link_masks);\n+\n void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst,\n \t\t\t\t\t u32 legacy_u32)\n {\n", "prefixes": [ "v3", "10/14", "net-next" ] }