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* lxc: linux Container library
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* (C) Copyright IBM Corp. 2007, 2008
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* Daniel Lezcano <dlezcano at fr.ibm.com>
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* Use this as a good size to allocate route netlink messages
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#define RTNLMSG_GOOD_SIZE NLMSG_GOOD_SIZE
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#define RTNLMSG_DATA(glh) ((void *)(NLMSG_DATA(glh) + RTNL_HDRLEN))
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* struct genl_handler : the structure which store the netlink handler
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* and the family number
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* @nlh: the netlink socket handler
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struct nl_handler nlh;
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* struct rtnlmsg : the struct containing the route netlink message
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* @nlmsghdr: a netlink message header
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* @rtnlmsghdr: a route netlink message header pointer
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struct nlmsghdr nlmsghdr;
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* rtnetlink_open : open a route netlink socket
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* @handler: a struct rtnl_handler pointer
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* Returns 0 on success, < 0 otherwise
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int rtnetlink_open(struct rtnl_handler *handler);
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* genetlink_close : close a route netlink socket
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* @handler: the handler of the socket to be closed
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* Returns 0 on success, < 0 otherwise
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int rtnetlink_close(struct rtnl_handler *handler);
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* rtnetlink_rcv : receive a route netlink socket, it is up
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* to the caller to manage the allocation of the route netlink message
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* @handler: the handler of the route netlink socket
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* @rtnlmsg: the pointer to a route netlink message pre-allocated
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* Returns 0 on success, < 0 otherwise
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int rtnetlink_rcv(struct rtnl_handler *handler, struct rtnlmsg *rtnlmsg);
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* rtnetlink_send : send a route netlink socket, it is up
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* to the caller to manage the allocation of the route netlink message
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* @handler: the handler of the route netlink socket
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* @rtnlmsg: the pointer to a netlink message pre-allocated
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* Returns 0 on success, < 0 otherwise
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int rtnetlink_send(struct rtnl_handler *handler, struct rtnlmsg *rtnlmsg);
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struct genlmsg *genlmsg_alloc(size_t size);
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void rtnlmsg_free(struct rtnlmsg *rtnlmsg);
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* rtnetlink_transaction : send and receive a route netlink message in one shot
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* @handler: the handler of the route netlink socket
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* @request: a route netlink message containing the request to be sent
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* @answer: a pre-allocated route netlink message to receive the response
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* Returns 0 on success, < 0 otherwise
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int rtnetlink_transaction(struct rtnl_handler *handler,
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struct rtnlmsg *request, struct rtnlmsg *answer);
added
removed
src/lxc/rtnl.h
