From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C863FD21E1 for ; Mon, 30 Jul 2018 12:52:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D213420892 for ; Mon, 30 Jul 2018 12:52:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D213420892 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731697AbeG3O1l (ORCPT ); Mon, 30 Jul 2018 10:27:41 -0400 Received: from mx2.suse.de ([195.135.220.15]:48926 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729460AbeG3O1j (ORCPT ); Mon, 30 Jul 2018 10:27:39 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id B07F8AF42; Mon, 30 Jul 2018 12:52:47 +0000 (UTC) Received: by unicorn.suse.cz (Postfix, from userid 1000) id 5FB3BA0BE8; Mon, 30 Jul 2018 14:52:47 +0200 (CEST) Message-Id: <1b860198a5b775d24bb4eba2c917d2c87120ac9e.1532953989.git.mkubecek@suse.cz> In-Reply-To: References: From: Michal Kubecek Subject: [RFC PATCH net-next v2 01/17] netlink: introduce nla_put_bitfield32() To: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Jiri Pirko , David Miller , Florian Fainelli , Roopa Prabhu , Jakub Kicinski , "John W. Linville" Date: Mon, 30 Jul 2018 14:52:47 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Similar to other data types, this helper puts NLA_BITFIELD32 attribute into a netlink message. It takes separate value and selector arguments, if you already have struct nla_bitfield32, you can use nla_put(). Signed-off-by: Michal Kubecek --- include/net/netlink.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/include/net/netlink.h b/include/net/netlink.h index 0c154f98e987..6d4eb6bd9235 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -1064,6 +1064,21 @@ static inline int nla_put_in6_addr(struct sk_buff *skb, int attrtype, return nla_put(skb, attrtype, sizeof(*addr), addr); } +/** + * nla_put_bitfield32 - Add a bitfield32 value/selector attribute to + * a socket buffer + * @skb: socket buffer to add attribute to + * @value: 32-bit value bitmap + * @selector: 32-bit selector bitmap + */ +static inline int nla_put_bitfield32(struct sk_buff *skb, int attrtype, + u32 value, u32 selector) +{ + struct nla_bitfield32 tmp = { .value = value, .selector = selector }; + + return nla_put(skb, attrtype, sizeof(tmp), &tmp); +} + /** * nla_get_u32 - return payload of u32 attribute * @nla: u32 netlink attribute -- 2.18.0