1 #include <errno.h>
2 
3 #include <netlink/genl/genl.h>
4 #include <netlink/genl/family.h>
5 #include <netlink/genl/ctrl.h>
6 #include <netlink/msg.h>
7 #include <netlink/attr.h>
8 
9 #include "nl80211.h"
10 #include "iw.h"
11 
offchannel(struct nl80211_state * state,struct nl_cb * cb,struct nl_msg * msg,int argc,char ** argv,enum id_input id)12 static int offchannel(struct nl80211_state *state, struct nl_cb *cb,
13 		      struct nl_msg *msg, int argc, char **argv,
14 		      enum id_input id)
15 {
16 	char *end;
17 
18 	/* freq */
19 	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ,
20 		    strtoul(argv[0], &end, 10));
21 	if (*end != '\0')
22 		return 1;
23 	argv++;
24 	argc--;
25 
26 	/* duration */
27 	NLA_PUT_U32(msg, NL80211_ATTR_DURATION,
28 		    strtoul(argv[0], &end, 10));
29 	if (*end != '\0')
30 		return 1;
31 	argv++;
32 	argc--;
33 
34 	if (argc)
35 		return 1;
36 
37 	return 0;
38  nla_put_failure:
39 	return -ENOSPC;
40 }
41 
42 TOPLEVEL(offchannel, "<freq> <duration>", NL80211_CMD_REMAIN_ON_CHANNEL, 0,
43 	 CIB_NETDEV, offchannel,
44 	 "Leave operating channel and go to the given channel for a while.");
45