Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753132AbdLKNx0 (ORCPT ); Mon, 11 Dec 2017 08:53:26 -0500 Received: from mx2.suse.de ([195.135.220.15]:60114 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753083AbdLKNxX (ORCPT ); Mon, 11 Dec 2017 08:53:23 -0500 Message-Id: In-Reply-To: References: From: Michal Kubecek Subject: [RFC PATCH 1/9] netlink: introduce nla_put_bitfield32() To: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Date: Mon, 11 Dec 2017 14:53:21 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1203 Lines: 37 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 -- 2.15.1