aosp12/external/iw/ps.c

86 lines
1.8 KiB
C

#include <errno.h>
#include <string.h>
#include <netlink/genl/genl.h>
#include <netlink/msg.h>
#include <netlink/attr.h>
#include "nl80211.h"
#include "iw.h"
static int set_power_save(struct nl80211_state *state,
struct nl_cb *cb,
struct nl_msg *msg,
int argc, char **argv,
enum id_input id)
{
enum nl80211_ps_state ps_state;
if (argc != 1) {
printf("Invalid parameters!\n");
return 2;
}
if (strcmp(argv[0], "on") == 0)
ps_state = NL80211_PS_ENABLED;
else if (strcmp(argv[0], "off") == 0)
ps_state = NL80211_PS_DISABLED;
else {
printf("Invalid parameter: %s\n", argv[0]);
return 2;
}
NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state);
return 0;
nla_put_failure:
return -ENOBUFS;
}
COMMAND(set, power_save, "<on|off>",
NL80211_CMD_SET_POWER_SAVE, 0, CIB_NETDEV, set_power_save,
"Set power save state to on or off.");
static int print_power_save_handler(struct nl_msg *msg, void *arg)
{
struct nlattr *attrs[NL80211_ATTR_MAX + 1];
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
const char *s;
nla_parse(attrs, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (!attrs[NL80211_ATTR_PS_STATE])
return NL_SKIP;
switch (nla_get_u32(attrs[NL80211_ATTR_PS_STATE])) {
case NL80211_PS_ENABLED:
s = "on";
break;
case NL80211_PS_DISABLED:
default:
s = "off";
break;
}
printf("Power save: %s\n", s);
return NL_SKIP;
}
static int get_power_save(struct nl80211_state *state,
struct nl_cb *cb,
struct nl_msg *msg,
int argc, char **argv,
enum id_input id)
{
nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
print_power_save_handler, NULL);
return 0;
}
COMMAND(get, power_save, "<param>",
NL80211_CMD_GET_POWER_SAVE, 0, CIB_NETDEV, get_power_save,
"Retrieve power save state.");