From patchwork Fri Jun 7 22:38:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Ahern X-Patchwork-Id: 1112327 X-Patchwork-Delegate: dsahern@gmail.com Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="ZeDjve2V"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45LHVl6S2mz9s9y for ; Sat, 8 Jun 2019 08:38:23 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731792AbfFGWiX (ORCPT ); Fri, 7 Jun 2019 18:38:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:48622 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731751AbfFGWiT (ORCPT ); Fri, 7 Jun 2019 18:38:19 -0400 Received: from kenny.it.cumulusnetworks.com. (fw.cumulusnetworks.com [216.129.126.126]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 73A1620840; Fri, 7 Jun 2019 22:38:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559947099; bh=UIstGdJB++uCNT+ZZwRcDYZ7xxWQ4yA79qmUZ+sEvoM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZeDjve2VLC9o3L7iRCS5UNoC8ylI5tb0m43iRvA+A+RVwbXEB2/NvUhUu4baTipvH 4kmxJXUsEPu+D8v7KdWnTqx7ceYo9f5DfpXMB9iN0qJ9SXi3TuLZ/d8gevwGHcDVtQ 0eRu7EtgYtaRWwYMA3TkReC4pTGkuPwohDac0qEA= From: David Ahern To: stephen@networkplumber.org Cc: netdev@vger.kernel.org, David Ahern Subject: [PATCH v2 iproute-next 04/10] uapi: Import nexthop object API Date: Fri, 7 Jun 2019 15:38:10 -0700 Message-Id: <20190607223816.27512-5-dsahern@kernel.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190607223816.27512-1-dsahern@kernel.org> References: <20190607223816.27512-1-dsahern@kernel.org> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: David Ahern Add nexthop.h from kernel with the uapi for nexthop objects. Signed-off-by: David Ahern --- include/uapi/linux/nexthop.h | 56 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 include/uapi/linux/nexthop.h diff --git a/include/uapi/linux/nexthop.h b/include/uapi/linux/nexthop.h new file mode 100644 index 000000000000..b56c5b895476 --- /dev/null +++ b/include/uapi/linux/nexthop.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _LINUX_NEXTHOP_H +#define _LINUX_NEXTHOP_H + +#include + +struct nhmsg { + unsigned char nh_family; + unsigned char nh_scope; /* return only */ + unsigned char nh_protocol; /* Routing protocol that installed nh */ + unsigned char resvd; + unsigned int nh_flags; /* RTNH_F flags */ +}; + +/* entry in a nexthop group */ +struct nexthop_grp { + __u32 id; /* nexthop id - must exist */ + __u8 weight; /* weight of this nexthop */ + __u8 resvd1; + __u16 resvd2; +}; + +enum { + NEXTHOP_GRP_TYPE_MPATH, /* default type if not specified */ + __NEXTHOP_GRP_TYPE_MAX, +}; + +#define NEXTHOP_GRP_TYPE_MAX (__NEXTHOP_GRP_TYPE_MAX - 1) + +enum { + NHA_UNSPEC, + NHA_ID, /* u32; id for nexthop. id == 0 means auto-assign */ + + NHA_GROUP, /* array of nexthop_grp */ + NHA_GROUP_TYPE, /* u16 one of NEXTHOP_GRP_TYPE */ + /* if NHA_GROUP attribute is added, no other attributes can be set */ + + NHA_BLACKHOLE, /* flag; nexthop used to blackhole packets */ + /* if NHA_BLACKHOLE is added, OIF, GATEWAY, ENCAP can not be set */ + + NHA_OIF, /* u32; nexthop device */ + NHA_GATEWAY, /* be32 (IPv4) or in6_addr (IPv6) gw address */ + NHA_ENCAP_TYPE, /* u16; lwt encap type */ + NHA_ENCAP, /* lwt encap data */ + + /* NHA_OIF can be appended to dump request to return only + * nexthops using given device + */ + NHA_GROUPS, /* flag; only return nexthop groups in dump */ + NHA_MASTER, /* u32; only return nexthops with given master dev */ + + __NHA_MAX, +}; + +#define NHA_MAX (__NHA_MAX - 1) +#endif