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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS 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 8C487C43381 for ; Mon, 18 Feb 2019 18:24:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5C6A6217D7 for ; Mon, 18 Feb 2019 18:24:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392082AbfBRSVd (ORCPT ); Mon, 18 Feb 2019 13:21:33 -0500 Received: from mx2.suse.de ([195.135.220.15]:45954 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2389263AbfBRSVb (ORCPT ); Mon, 18 Feb 2019 13:21:31 -0500 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 D5AF5AEB8; Mon, 18 Feb 2019 18:21:29 +0000 (UTC) Received: by unicorn.suse.cz (Postfix, from userid 1000) id 88748E0122; Mon, 18 Feb 2019 19:21:29 +0100 (CET) Message-Id: In-Reply-To: References: From: Michal Kubecek Subject: [RFC PATCH net-next v3 01/21] netlink: introduce nla_put_bitfield32() To: netdev@vger.kernel.org Cc: David Miller , Andrew Lunn , Jakub Kicinski , Jiri Pirko , linux-kernel@vger.kernel.org Date: Mon, 18 Feb 2019 19:21:29 +0100 (CET) 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 there is a struct nla_bitfield32 already, one 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 23f27b0b3cef..bc0497076bec 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -1211,6 +1211,21 @@ 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 -- 2.20.1