Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751317AbWC3AtL (ORCPT ); Wed, 29 Mar 2006 19:49:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751320AbWC3AtL (ORCPT ); Wed, 29 Mar 2006 19:49:11 -0500 Received: from mtagate4.uk.ibm.com ([195.212.29.137]:1807 "EHLO mtagate4.uk.ibm.com") by vger.kernel.org with ESMTP id S1751317AbWC3AtJ (ORCPT ); Wed, 29 Mar 2006 19:49:09 -0500 Message-ID: <442B2AF4.1020302@watson.ibm.com> Date: Wed, 29 Mar 2006 19:48:52 -0500 From: Shailabh Nagar User-Agent: Debian Thunderbird 1.0.2 (X11/20051002) X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel CC: netdev , Thomas Graf , Jamal Subject: [Patch 4/8] generic netlink utility functions References: <442B271D.10208@watson.ibm.com> In-Reply-To: <442B271D.10208@watson.ibm.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1529 Lines: 46 genetlink-utils.patch Two utilities for simplifying usage of NETLINK_GENERIC interface. Signed-off-by: Balbir Singh Signed-off-by: Shailabh Nagar include/net/genetlink.h | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+) Index: linux-2.6.16/include/net/genetlink.h =================================================================== --- linux-2.6.16.orig/include/net/genetlink.h 2006-03-29 18:12:54.000000000 -0500 +++ linux-2.6.16/include/net/genetlink.h 2006-03-29 18:13:17.000000000 -0500 @@ -150,4 +150,24 @@ static inline int genlmsg_unicast(struct return nlmsg_unicast(genl_sock, skb, pid); } +/** + * gennlmsg_data - head of message payload + * @gnlh: genetlink messsage header + */ +static inline void *genlmsg_data(const struct genlmsghdr *gnlh) +{ + return ((unsigned char *) gnlh + GENL_HDRLEN); +} + +/** + * genlmsg_len - length of message payload + * @gnlh: genetlink message header + */ +static inline int genlmsg_len(const struct genlmsghdr *gnlh) +{ + struct nlmsghdr *nlh = (struct nlmsghdr *)((unsigned char *)gnlh - + NLMSG_HDRLEN); + return (nlh->nlmsg_len - GENL_HDRLEN - NLMSG_HDRLEN); +} + #endif /* __NET_GENERIC_NETLINK_H */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/