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/*
* brstate.c RTnetlink port state change
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Authors: Stephen Hemminger <shemminger@osdl.org>
*
* Modified by Srinivas Aji <Aji_Srinivas@emc.com> for use
* in RSTP daemon. - 2006-09-01
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <syslog.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <net/if.h>
#include <netinet/in.h>
#include <linux/if_bridge.h>
#include <string.h>
#include "libnetlink.h"
static int br_set_state(struct rtnl_handle *rth, unsigned ifindex, __u8 state)
{
struct {
struct nlmsghdr n;
struct ifinfomsg ifi;
char buf[256];
} req;
memset(&req, 0, sizeof(req));
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_REPLACE;
req.n.nlmsg_type = RTM_SETLINK;
req.ifi.ifi_family = AF_BRIDGE;
req.ifi.ifi_index = ifindex;
addattr_l(&req.n, sizeof(req.buf), IFLA_PROTINFO, &state, sizeof(state));
return rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL);
}
#include "bridge_ctl.h"
extern struct rtnl_handle rth_state;
int bridge_set_state(int ifindex, int brstate)
{
int err = br_set_state(&rth_state, ifindex, brstate);
if (err < 0) {
fprintf(stderr,
"Couldn't set bridge state, ifindex %d, state %d\n",
ifindex, brstate);
return -1;
}
return 0;
}
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