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#include <errno.h>
#include <string.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include <netlink/genl/ctrl.h>
#include <netlink/msg.h>
#include <netlink/attr.h>
#include "nl80211.h"
#include "iw.h"
/* These enums need to be kept in sync with the kernel */
enum hwsim_testmode_attr {
__HWSIM_TM_ATTR_INVALID = 0,
HWSIM_TM_ATTR_CMD = 1,
HWSIM_TM_ATTR_PS = 2,
/* keep last */
__HWSIM_TM_ATTR_AFTER_LAST,
HWSIM_TM_ATTR_MAX = __HWSIM_TM_ATTR_AFTER_LAST - 1
};
enum hwsim_testmode_cmd {
HWSIM_TM_CMD_SET_PS = 0,
HWSIM_TM_CMD_GET_PS = 1,
HWSIM_TM_CMD_STOP_QUEUES = 2,
HWSIM_TM_CMD_WAKE_QUEUES = 3,
};
SECTION(hwsim);
static int print_hwsim_ps_handler(struct nl_msg *msg, void *arg)
{
struct nlattr *attrs[NL80211_ATTR_MAX + 1];
struct nlattr *tb[HWSIM_TM_ATTR_MAX + 1];
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
nla_parse(attrs, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (!attrs[NL80211_ATTR_TESTDATA])
return NL_SKIP;
nla_parse(tb, HWSIM_TM_ATTR_MAX, nla_data(attrs[NL80211_ATTR_TESTDATA]),
nla_len(attrs[NL80211_ATTR_TESTDATA]), NULL);
printf("HWSIM PS: %d\n", nla_get_u32(tb[HWSIM_TM_ATTR_PS]));
return NL_SKIP;
}
static int handle_hwsim_getps(struct nl80211_state *state,
struct nl_msg *msg, int argc, char **argv,
enum id_input id)
{
struct nlattr *tmdata;
tmdata = nla_nest_start(msg, NL80211_ATTR_TESTDATA);
if (!tmdata)
goto nla_put_failure;
NLA_PUT_U32(msg, HWSIM_TM_ATTR_CMD, HWSIM_TM_CMD_GET_PS);
nla_nest_end(msg, tmdata);
register_handler(print_hwsim_ps_handler, NULL);
return 0;
nla_put_failure:
return -ENOBUFS;
}
COMMAND(hwsim, getps, "", NL80211_CMD_TESTMODE, 0, CIB_PHY, handle_hwsim_getps, "");
static int handle_hwsim_setps(struct nl80211_state *state,
struct nl_msg *msg, int argc, char **argv,
enum id_input id)
{
struct nlattr *tmdata;
__u32 ps;
char *end;
if (argc != 1)
return 1;
ps = strtoul(argv[0], &end, 0);
if (*end)
return 1;
tmdata = nla_nest_start(msg, NL80211_ATTR_TESTDATA);
if (!tmdata)
goto nla_put_failure;
NLA_PUT_U32(msg, HWSIM_TM_ATTR_CMD, HWSIM_TM_CMD_SET_PS);
NLA_PUT_U32(msg, HWSIM_TM_ATTR_PS, ps);
nla_nest_end(msg, tmdata);
register_handler(print_hwsim_ps_handler, NULL);
return 0;
nla_put_failure:
return -ENOBUFS;
}
COMMAND(hwsim, setps, "<value>", NL80211_CMD_TESTMODE, 0, CIB_PHY, handle_hwsim_setps, "");
static int handle_hwsim_stop_queues(struct nl80211_state *state,
struct nl_msg *msg, int argc, char **argv,
enum id_input id)
{
struct nlattr *tmdata;
if (argc != 0)
return 1;
tmdata = nla_nest_start(msg, NL80211_ATTR_TESTDATA);
if (!tmdata)
goto nla_put_failure;
NLA_PUT_U32(msg, HWSIM_TM_ATTR_CMD, HWSIM_TM_CMD_STOP_QUEUES);
nla_nest_end(msg, tmdata);
return 0;
nla_put_failure:
return -ENOBUFS;
}
COMMAND(hwsim, stopqueues, "", NL80211_CMD_TESTMODE, 0, CIB_PHY, handle_hwsim_stop_queues, "");
static int handle_hwsim_wake_queues(struct nl80211_state *state,
struct nl_msg *msg, int argc, char **argv,
enum id_input id)
{
struct nlattr *tmdata;
if (argc != 0)
return 1;
tmdata = nla_nest_start(msg, NL80211_ATTR_TESTDATA);
if (!tmdata)
goto nla_put_failure;
NLA_PUT_U32(msg, HWSIM_TM_ATTR_CMD, HWSIM_TM_CMD_WAKE_QUEUES);
nla_nest_end(msg, tmdata);
return 0;
nla_put_failure:
return -ENOBUFS;
}
COMMAND(hwsim, wakequeues, "", NL80211_CMD_TESTMODE, 0, CIB_PHY, handle_hwsim_wake_queues, "");
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