[thirdparty/iw.git] / mesh.c

#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"

SECTION(mesh);
SECTION(mesh_param);


typedef struct _any_t {
	union {
		uint32_t as_32;
		int32_t as_s32;
		uint16_t as_16;
		uint8_t as_8;
	} u;
} _any;

/* describes a mesh parameter */
struct mesh_param_descr {
	const char *name;
	enum nl80211_meshconf_params mesh_param_num;
	int (*nla_put_fn)(struct nl_msg*, int, _any*);
	uint32_t (*parse_fn)(const char*, _any*);
	void (*nla_print_fn)(struct nlattr *);
};

/* utility functions for manipulating and printing u8/u16/u32 values and
 * timesouts. */
static int _my_nla_put_u8(struct nl_msg *n, int mesh_param_num, _any *value)
{
	return nla_put(n, mesh_param_num, sizeof(uint8_t), &value->u.as_8);
}

static int _my_nla_put_u16(struct nl_msg *n, int mesh_param_num, _any *value)
{
	return nla_put(n, mesh_param_num, sizeof(uint16_t), &value->u.as_16);
}

static int _my_nla_put_u32(struct nl_msg *n, int mesh_param_num, _any *value)
{
	return nla_put(n, mesh_param_num, sizeof(uint32_t), &value->u.as_32);
}

static uint32_t _parse_u8(const char *str, _any *ret)
{
	char *endptr = NULL;
	unsigned long int v = strtoul(str, &endptr, 10);
	if (*endptr != '\0')
		return 0xff;
	if (v > 0xff)
		return 0xff;
	ret->u.as_8 = (uint8_t)v;
	return 0;
}

static uint32_t _parse_u8_as_bool(const char *str, _any *ret)
{
	char *endptr = NULL;
	unsigned long int v = strtoul(str, &endptr, 10);
	if (*endptr != '\0')
		return 0x1;
	if (v > 0x1)
		return 0x1;
	ret->u.as_8 = (uint8_t)v;
	return 0;
}

static uint32_t _parse_u16(const char *str, _any *ret)
{
	char *endptr = NULL;
	long int v = strtol(str, &endptr, 10);
	if (*endptr != '\0')
		return 0xffff;
	if ((v < 0) || (v > 0xffff))
		return 0xffff;
	ret->u.as_16 = (uint16_t)v;
	return 0;
}

static uint32_t _parse_u32(const char *str, _any *ret)
{
	char *endptr = NULL;
	long long int v = strtoll(str, &endptr, 10);
	if (*endptr != '\0')
		return 0xffffffff;
	if ((v < 0) || (v > 0xffffffff))
		return 0xffffffff;
	ret->u.as_32 = (uint32_t)v;
	return 0;
}

static uint32_t _parse_s32(const char *str, _any *ret)
{
	char *endptr = NULL;
	long int v = strtol(str, &endptr, 10);
	if (*endptr != '\0')
		return 0xffffffff;
	if (v > 0xff)
		return 0xffffffff;
	ret->u.as_s32 = (int32_t)v;
	return 0;
}

static uint32_t _parse_u32_power_mode(const char *str, _any *ret)
{
	unsigned long int v;

	/* Parse attribute for the name of power mode */
	if (!strcmp(str, "active"))
		v = NL80211_MESH_POWER_ACTIVE;
	else if (!strcmp(str, "light"))
		v = NL80211_MESH_POWER_LIGHT_SLEEP;
	else if (!strcmp(str, "deep"))
		v = NL80211_MESH_POWER_DEEP_SLEEP;
	else
		return 0xff;

	ret->u.as_32 = (uint32_t)v;
	return 0;
}

static void _print_u8(struct nlattr *a)
{
	printf("%d", nla_get_u8(a));
}

static void _print_u16(struct nlattr *a)
{
	printf("%d", nla_get_u16(a));
}

static void _print_u16_timeout(struct nlattr *a)
{
	printf("%d milliseconds", nla_get_u16(a));
}

static void _print_u16_in_TUs(struct nlattr *a)
{
	printf("%d TUs", nla_get_u16(a));
}

static void _print_u32(struct nlattr *a)
{
	printf("%d", nla_get_u32(a));
}

static void _print_u32_timeout(struct nlattr *a)
{
	printf("%u milliseconds", nla_get_u32(a));
}

static void _print_u32_in_seconds(struct nlattr *a)
{
	printf("%d seconds", nla_get_u32(a));
}

static void _print_u32_in_TUs(struct nlattr *a)
{
	printf("%d TUs", nla_get_u32(a));
}

static void _print_u32_power_mode(struct nlattr *a)
{
	unsigned long v = nla_get_u32(a);

	switch (v) {
	case NL80211_MESH_POWER_ACTIVE:
		printf("active");
		break;
	case NL80211_MESH_POWER_LIGHT_SLEEP:
		printf("light");
		break;
	case NL80211_MESH_POWER_DEEP_SLEEP:
		printf("deep");
		break;
	default:
		printf("undefined");
		break;
	}
}

static void _print_s32_in_dBm(struct nlattr *a)
{
	printf("%d dBm", (int32_t) nla_get_u32(a));
}


/* The current mesh parameters */
static const struct mesh_param_descr _mesh_param_descrs[] =
{
	{"mesh_retry_timeout",
	NL80211_MESHCONF_RETRY_TIMEOUT,
	_my_nla_put_u16, _parse_u16, _print_u16_timeout},
	{"mesh_confirm_timeout",
	NL80211_MESHCONF_CONFIRM_TIMEOUT,
	_my_nla_put_u16, _parse_u16, _print_u16_timeout},
	{"mesh_holding_timeout",
	NL80211_MESHCONF_HOLDING_TIMEOUT,
	_my_nla_put_u16, _parse_u16, _print_u16_timeout},
	{"mesh_max_peer_links",
	NL80211_MESHCONF_MAX_PEER_LINKS,
	_my_nla_put_u16, _parse_u16, _print_u16},
	{"mesh_max_retries",
	NL80211_MESHCONF_MAX_RETRIES,
	_my_nla_put_u8, _parse_u8, _print_u8},
	{"mesh_ttl",
	NL80211_MESHCONF_TTL,
	_my_nla_put_u8, _parse_u8, _print_u8},
	{"mesh_element_ttl",
	NL80211_MESHCONF_ELEMENT_TTL,
	_my_nla_put_u8, _parse_u8, _print_u8},
	{"mesh_auto_open_plinks",
	NL80211_MESHCONF_AUTO_OPEN_PLINKS,
	_my_nla_put_u8, _parse_u8_as_bool, _print_u8},
	{"mesh_hwmp_max_preq_retries",
	NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
	_my_nla_put_u8, _parse_u8, _print_u8},
	{"mesh_path_refresh_time",
	NL80211_MESHCONF_PATH_REFRESH_TIME,
	_my_nla_put_u32, _parse_u32, _print_u32_timeout},
	{"mesh_min_discovery_timeout",
	NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
	_my_nla_put_u16, _parse_u16, _print_u16_timeout},
	{"mesh_hwmp_active_path_timeout",
	NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
	_my_nla_put_u32, _parse_u32, _print_u32_in_TUs},
	{"mesh_hwmp_preq_min_interval",
	NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
	{"mesh_hwmp_net_diameter_traversal_time",
	NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
	{"mesh_hwmp_rootmode", NL80211_MESHCONF_HWMP_ROOTMODE,
	_my_nla_put_u8, _parse_u8, _print_u8},
	{"mesh_hwmp_rann_interval", NL80211_MESHCONF_HWMP_RANN_INTERVAL,
	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
	{"mesh_gate_announcements", NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
	_my_nla_put_u8, _parse_u8, _print_u8},
	{"mesh_fwding", NL80211_MESHCONF_FORWARDING,
	_my_nla_put_u8, _parse_u8_as_bool, _print_u8},
	{"mesh_sync_offset_max_neighor",
	NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
	_my_nla_put_u32, _parse_u32, _print_u32},
	{"mesh_rssi_threshold", NL80211_MESHCONF_RSSI_THRESHOLD,
	_my_nla_put_u32, _parse_s32, _print_s32_in_dBm},
	{"mesh_hwmp_active_path_to_root_timeout",
	NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
	_my_nla_put_u32, _parse_u32, _print_u32_in_TUs},
	{"mesh_hwmp_root_interval", NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
	{"mesh_hwmp_confirmation_interval",
	NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
	{"mesh_power_mode", NL80211_MESHCONF_POWER_MODE,
	_my_nla_put_u32, _parse_u32_power_mode, _print_u32_power_mode},
	{"mesh_awake_window", NL80211_MESHCONF_AWAKE_WINDOW,
	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
	{"mesh_plink_timeout", NL80211_MESHCONF_PLINK_TIMEOUT,
	_my_nla_put_u32, _parse_u32, _print_u32_in_seconds},
	{"mesh_connected_to_gate", NL80211_MESHCONF_CONNECTED_TO_GATE,
	_my_nla_put_u8, _parse_u8_as_bool, _print_u8},
	{"mesh_nolearn", NL80211_MESHCONF_NOLEARN,
	_my_nla_put_u8, _parse_u8_as_bool, _print_u8},
	{"mesh_connected_to_as", NL80211_MESHCONF_CONNECTED_TO_AS,
	_my_nla_put_u8, _parse_u8_as_bool, _print_u8},
};

static void print_all_mesh_param_descr(void)
{
	unsigned int i;

	printf("Possible mesh parameters are:\n");

	for (i = 0; i < ARRAY_SIZE(_mesh_param_descrs); i++)
		printf(" - %s\n", _mesh_param_descrs[i].name);
}

static const struct mesh_param_descr *find_mesh_param(const char *name)
{
	unsigned int i;

	/* Find out what mesh parameter we want to change. */
	for (i = 0; i < ARRAY_SIZE(_mesh_param_descrs); i++) {
		if (strcmp(_mesh_param_descrs[i].name, name) == 0)
			return _mesh_param_descrs + i;
	}

	return NULL;
}

/* Setter */
static int set_interface_meshparam(struct nl80211_state *state,
				   struct nl_msg *msg,
				   int argc, char **argv,
				   enum id_input id)
{
	const struct mesh_param_descr *mdescr;
	struct nlattr *container;
	uint32_t ret;
	int err = 2;

	container = nla_nest_start(msg, NL80211_ATTR_MESH_PARAMS);
	if (!container)
		return -ENOBUFS;

	if (!argc) {
		print_all_mesh_param_descr();
		return 1;
	}

	while (argc) {
		const char *name;
		char *value;
		_any any;

		memset(&any, 0, sizeof(_any));

		name = argv[0];
		value = strchr(name, '=');
		if (value) {
			*value = '\0';
			value++;
			argc--;
			argv++;
		} else {
			/* backward compat -- accept w/o '=' */
			if (argc < 2) {
				printf("Must specify a value for %s.\n", name);
				return 2;
			}
			value = argv[1];
			argc -= 2;
			argv += 2;
		}

		mdescr = find_mesh_param(name);
		if (!mdescr) {
			printf("Could not find the parameter %s.\n", name);
			print_all_mesh_param_descr();
			return 2;
		}

		/* Parse the new value */
		ret = mdescr->parse_fn(value, &any);
		if (ret != 0) {
			if (mdescr->mesh_param_num
			    == NL80211_MESHCONF_POWER_MODE)
				printf("%s must be set to active, light or "
					"deep.\n", mdescr->name);
			else
				printf("%s must be set to a number "
					"between 0 and %u\n",
					mdescr->name, ret);

			return 2;
		}

		err = mdescr->nla_put_fn(msg, mdescr->mesh_param_num, &any);
		if (err)
			return err;
	}
	nla_nest_end(msg, container);

	return err;
}

COMMAND(set, mesh_param, "<param>=<value> [<param>=<value>]*",
	NL80211_CMD_SET_MESH_PARAMS, 0, CIB_NETDEV, set_interface_meshparam,
	"Set mesh parameter (run command without any to see available ones).");

/* Getter */
static int print_mesh_param_handler(struct nl_msg *msg, void *arg)
{
	const struct mesh_param_descr *mdescr = arg;
	struct nlattr *attrs[NL80211_ATTR_MAX + 1];
	struct nlattr *parent_attr;
	struct nlattr *mesh_params[NL80211_MESHCONF_ATTR_MAX + 1];
	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));

	/* locate NL80211_ATTR_MESH_PARAMS */
	nla_parse(attrs, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
		  genlmsg_attrlen(gnlh, 0), NULL);
	parent_attr = attrs[NL80211_ATTR_MESH_PARAMS];
	if (!parent_attr)
		return -EINVAL;

	/* unpack the mesh parameters */
	if (nla_parse_nested(mesh_params, NL80211_MESHCONF_ATTR_MAX,
			     parent_attr, NULL))
		return -EINVAL;

	if (!mdescr) {
		unsigned int i;

		for (i = 0; i < ARRAY_SIZE(_mesh_param_descrs); i++) {
			mdescr = &_mesh_param_descrs[i];
			if (mesh_params[mdescr->mesh_param_num]) {
				printf("%s = ", mdescr->name);
				mdescr->nla_print_fn(mesh_params[mdescr->mesh_param_num]);
				printf("\n");
			}
		}
		return NL_SKIP;
	}

	/* print out the mesh parameter */
	if (mesh_params[mdescr->mesh_param_num]) {
		mdescr->nla_print_fn(mesh_params[mdescr->mesh_param_num]);
		printf("\n");
	}
	return NL_SKIP;
}

static int get_interface_meshparam(struct nl80211_state *state,
				   struct nl_msg *msg,
				   int argc, char **argv,
				   enum id_input id)
{
	const struct mesh_param_descr *mdescr = NULL;

	if (argc == 0) {
		print_all_mesh_param_descr();
		return 1;
	} else if (argc == 1) {
		mdescr = find_mesh_param(argv[0]);
		if (!mdescr) {
			printf("Could not find the parameter %s.\n", argv[0]);
			print_all_mesh_param_descr();
			return 2;
		}
	} else {
		return 1;
	}

	register_handler(print_mesh_param_handler, (void *)mdescr);
	return 0;
}

COMMAND(get, mesh_param, "[<param>]",
	NL80211_CMD_GET_MESH_PARAMS, 0, CIB_NETDEV, get_interface_meshparam,
	"Retrieve mesh parameter (run command without any to see available ones).");

static int dump_interface_meshparam(struct nl80211_state *state,
				    struct nl_msg *msg,
				    int argc, char **argv,
				    enum id_input id)
{
	register_handler(print_mesh_param_handler, NULL);
	return 0;
}

COMMAND(mesh_param, dump, "",
	NL80211_CMD_GET_MESH_PARAMS, 0, CIB_NETDEV, dump_interface_meshparam,
	"List all supported mesh parameters");

static int join_mesh(struct nl80211_state *state,
		     struct nl_msg *msg, int argc, char **argv,
		     enum id_input id)
{
	struct nlattr *container;
	float rate;
	unsigned char rates[NL80211_MAX_SUPP_RATES];
	int bintval, dtim_period, n_rates = 0;
	char *end, *value = NULL, *sptr = NULL;

	if (argc < 1)
		return 1;

	NLA_PUT(msg, NL80211_ATTR_MESH_ID, strlen(argv[0]), argv[0]);
	argc--;
	argv++;

	/* freq */
	if (argc > 1 && strcmp(argv[0], "freq") == 0) {
		struct chandef chandef;
		int err, parsed;

		err = parse_freqchan(&chandef, false, argc - 1, argv + 1,
				     &parsed);
		if (err)
			return err;

		argv += parsed + 1;
		argc -= parsed + 1;

		err = put_chandef(msg, &chandef);
		if (err)
			return err;
	}

	/* basic rates */
	if (argc > 1 && strcmp(argv[0], "basic-rates") == 0) {
		argv++;
		argc--;

		value = strtok_r(argv[0], ",", &sptr);

		while (value && n_rates < NL80211_MAX_SUPP_RATES) {
			rate = strtod(value, &end);
			rates[n_rates] = rate * 2;

			/* filter out suspicious values  */
			if (*end != '\0' || !rates[n_rates] ||
			    rate*2 != rates[n_rates])
				return 1;

			n_rates++;
			value = strtok_r(NULL, ",", &sptr);
		}

		NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, n_rates, rates);
		argv++;
		argc--;
	}

	/* multicast rate */
	if (argc > 1 && strcmp(argv[0], "mcast-rate") == 0) {
		argv++;
		argc--;

		rate = strtod(argv[0], &end);
		if (*end != '\0')
			return 1;

		NLA_PUT_U32(msg, NL80211_ATTR_MCAST_RATE, (int)(rate * 10));
		argv++;
		argc--;
	}

	if (argc > 1 && strcmp(argv[0], "beacon-interval") == 0) {
		argc--;
		argv++;

		bintval = strtoul(argv[0], &end, 10);
		if (*end != '\0')
			return 1;

		NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, bintval);
		argv++;
		argc--;
	}

	if (argc > 1 && strcmp(argv[0], "dtim-period") == 0) {
		argc--;
		argv++;

		dtim_period = strtoul(argv[0], &end, 10);
		if (*end != '\0')
			return 1;

		NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
		argv++;
		argc--;
	}

	container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
	if (!container)
		return -ENOBUFS;

	if (argc > 1 && strcmp(argv[0], "vendor_sync") == 0) {
		argv++;
		argc--;
		if (strcmp(argv[0], "on") == 0)
			NLA_PUT_U8(msg,
				   NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC, 1);
		else
			NLA_PUT_U8(msg,
				   NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC, 0);
		argv++;
		argc--;
	}
	/* parse and put other NL80211_ATTR_MESH_SETUP elements here */

	nla_nest_end(msg, container);

	if (!argc)
		return 0;
	return set_interface_meshparam(state, msg, argc, argv, id);
 nla_put_failure:
	return -ENOBUFS;
}
COMMAND(mesh, join, "<mesh ID> [[freq <freq in MHz> <NOHT|HT20|HT40+|HT40-|80MHz>]"
	" [basic-rates <rate in Mbps,rate2,...>]], [mcast-rate <rate in Mbps>]"
	" [beacon-interval <time in TUs>] [dtim-period <value>]"
	" [vendor_sync on|off] [<param>=<value>]*",
	NL80211_CMD_JOIN_MESH, 0, CIB_NETDEV, join_mesh,
	"Join a mesh with the given mesh ID with frequency, basic-rates,\n"
	"mcast-rate and mesh parameters. Basic-rates are applied only if\n"
	"frequency is provided.");

static int leave_mesh(struct nl80211_state *state,
		      struct nl_msg *msg, int argc, char **argv,
		      enum id_input id)
{
	if (argc)
		return 1;

	return 0;
}
COMMAND(mesh, leave, NULL, NL80211_CMD_LEAVE_MESH, 0, CIB_NETDEV, leave_mesh,
	"Leave a mesh.");
Commit	Line	Data
46c1ad1f	1	#include <errno.h>
	2	#include <string.h>
	3
	4	#include <netlink/genl/genl.h>
	5	#include <netlink/genl/family.h>
	6	#include <netlink/genl/ctrl.h>
	7	#include <netlink/msg.h>
	8	#include <netlink/attr.h>
	9
	10	#include "nl80211.h"
	11	#include "iw.h"
	12
400efd3e	13	SECTION(mesh);
d59e9086	14	SECTION(mesh_param);
400efd3e JB	15
400efd3e JB	16
46c1ad1f	17	typedef struct _any_t {
	18	union {
	19	uint32_t as_32;
be97e513	20	int32_t as_s32;
46c1ad1f	21	uint16_t as_16;
	22	uint8_t as_8;
	23	} u;
	24	} _any;
	25
	26	/* describes a mesh parameter */
	27	struct mesh_param_descr {
	28	const char *name;
	29	enum nl80211_meshconf_params mesh_param_num;
	30	int (nla_put_fn)(struct nl_msg, int, _any*);
	31	uint32_t (parse_fn)(const char, _any*);
	32	void (nla_print_fn)(struct nlattr );
	33	};
	34
	35	/* utility functions for manipulating and printing u8/u16/u32 values and
	36	* timesouts. */
	37	static int _my_nla_put_u8(struct nl_msg n, int mesh_param_num, _any value)
	38	{
	39	return nla_put(n, mesh_param_num, sizeof(uint8_t), &value->u.as_8);
	40	}
	41
	42	static int _my_nla_put_u16(struct nl_msg n, int mesh_param_num, _any value)
	43	{
	44	return nla_put(n, mesh_param_num, sizeof(uint16_t), &value->u.as_16);
	45	}
	46
	47	static int _my_nla_put_u32(struct nl_msg n, int mesh_param_num, _any value)
	48	{
	49	return nla_put(n, mesh_param_num, sizeof(uint32_t), &value->u.as_32);
	50	}
	51
	52	static uint32_t _parse_u8(const char str, _any ret)
	53	{
	54	char *endptr = NULL;
	55	unsigned long int v = strtoul(str, &endptr, 10);
	56	if (*endptr != '\0')
	57	return 0xff;
	58	if (v > 0xff)
	59	return 0xff;
	60	ret->u.as_8 = (uint8_t)v;
	61	return 0;
	62	}
	63
	64	static uint32_t _parse_u8_as_bool(const char str, _any ret)
	65	{
	66	char *endptr = NULL;
	67	unsigned long int v = strtoul(str, &endptr, 10);
	68	if (*endptr != '\0')
	69	return 0x1;
	70	if (v > 0x1)
	71	return 0x1;
	72	ret->u.as_8 = (uint8_t)v;
	73	return 0;
	74	}
	75
	76	static uint32_t _parse_u16(const char str, _any ret)
	77	{
	78	char *endptr = NULL;
	79	long int v = strtol(str, &endptr, 10);
	80	if (*endptr != '\0')
	81	return 0xffff;
	82	if ((v < 0) \|\| (v > 0xffff))
	83	return 0xffff;
	84	ret->u.as_16 = (uint16_t)v;
85	return 0;
86	}
87
88	static uint32_t _parse_u32(const char str, _any ret)
89	{
90	char *endptr = NULL;
91	long long int v = strtoll(str, &endptr, 10);
92	if (*endptr != '\0')
93	return 0xffffffff;
94	if ((v < 0) \|\| (v > 0xffffffff))
95	return 0xffffffff;
96	ret->u.as_32 = (uint32_t)v;
97	return 0;
98	}
99
be97e513 AN	100	static uint32_t _parse_s32(const char str, _any ret)
	101	{
	102	char *endptr = NULL;
	103	long int v = strtol(str, &endptr, 10);
	104	if (*endptr != '\0')
	105	return 0xffffffff;
	106	if (v > 0xff)
	107	return 0xffffffff;
	108	ret->u.as_s32 = (int32_t)v;
	109	return 0;
	110	}
	111
46758fa3 MP	112	static uint32_t _parse_u32_power_mode(const char str, _any ret)
	113	{
	114	unsigned long int v;
	115
	116	/* Parse attribute for the name of power mode */
	117	if (!strcmp(str, "active"))
	118	v = NL80211_MESH_POWER_ACTIVE;
	119	else if (!strcmp(str, "light"))
	120	v = NL80211_MESH_POWER_LIGHT_SLEEP;
	121	else if (!strcmp(str, "deep"))
	122	v = NL80211_MESH_POWER_DEEP_SLEEP;
	123	else
	124	return 0xff;
	125
	126	ret->u.as_32 = (uint32_t)v;
	127	return 0;
	128	}
be97e513	129
656aa246	130	static void _print_u8(struct nlattr *a)
46c1ad1f	131	{
	132	printf("%d", nla_get_u8(a));
	133	}
	134
656aa246	135	static void _print_u16(struct nlattr *a)
46c1ad1f	136	{
	137	printf("%d", nla_get_u16(a));
	138	}
	139
656aa246	140	static void _print_u16_timeout(struct nlattr *a)
46c1ad1f	141	{
	142	printf("%d milliseconds", nla_get_u16(a));
	143	}
	144
656aa246	145	static void _print_u16_in_TUs(struct nlattr *a)
46c1ad1f	146	{
	147	printf("%d TUs", nla_get_u16(a));
	148	}
	149
d9f730c4 AN	150	static void _print_u32(struct nlattr *a)
	151	{
	152	printf("%d", nla_get_u32(a));
	153	}
	154
656aa246	155	static void _print_u32_timeout(struct nlattr *a)
46c1ad1f	156	{
	157	printf("%u milliseconds", nla_get_u32(a));
	158	}
	159
770f80c9 CT	160	static void _print_u32_in_seconds(struct nlattr *a)
	161	{
	162	printf("%d seconds", nla_get_u32(a));
	163	}
	164
656aa246	165	static void _print_u32_in_TUs(struct nlattr *a)
46c1ad1f	166	{
	167	printf("%d TUs", nla_get_u32(a));
	168	}
	169
46758fa3 MP	170	static void _print_u32_power_mode(struct nlattr *a)
	171	{
	172	unsigned long v = nla_get_u32(a);
	173
	174	switch (v) {
	175	case NL80211_MESH_POWER_ACTIVE:
	176	printf("active");
	177	break;
	178	case NL80211_MESH_POWER_LIGHT_SLEEP:
	179	printf("light");
	180	break;
	181	case NL80211_MESH_POWER_DEEP_SLEEP:
	182	printf("deep");
	183	break;
	184	default:
	185	printf("undefined");
	186	break;
	187	}
	188	}
	189
be97e513 AN	190	static void _print_s32_in_dBm(struct nlattr *a)
	191	{
	192	printf("%d dBm", (int32_t) nla_get_u32(a));
	193	}
	194
	195
46c1ad1f	196	/* The current mesh parameters */
6ab936f0	197	static const struct mesh_param_descr _mesh_param_descrs[] =
46c1ad1f	198	{
	199	{"mesh_retry_timeout",
	200	NL80211_MESHCONF_RETRY_TIMEOUT,
	201	_my_nla_put_u16, _parse_u16, _print_u16_timeout},
	202	{"mesh_confirm_timeout",
	203	NL80211_MESHCONF_CONFIRM_TIMEOUT,
	204	_my_nla_put_u16, _parse_u16, _print_u16_timeout},
	205	{"mesh_holding_timeout",
	206	NL80211_MESHCONF_HOLDING_TIMEOUT,
	207	_my_nla_put_u16, _parse_u16, _print_u16_timeout},
	208	{"mesh_max_peer_links",
	209	NL80211_MESHCONF_MAX_PEER_LINKS,
	210	_my_nla_put_u16, _parse_u16, _print_u16},
	211	{"mesh_max_retries",
	212	NL80211_MESHCONF_MAX_RETRIES,
	213	_my_nla_put_u8, _parse_u8, _print_u8},
	214	{"mesh_ttl",
	215	NL80211_MESHCONF_TTL,
	216	_my_nla_put_u8, _parse_u8, _print_u8},
247beb99 JB	217	{"mesh_element_ttl",
	218	NL80211_MESHCONF_ELEMENT_TTL,
	219	_my_nla_put_u8, _parse_u8, _print_u8},
46c1ad1f	220	{"mesh_auto_open_plinks",
	221	NL80211_MESHCONF_AUTO_OPEN_PLINKS,
	222	_my_nla_put_u8, _parse_u8_as_bool, _print_u8},
	223	{"mesh_hwmp_max_preq_retries",
	224	NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
	225	_my_nla_put_u8, _parse_u8, _print_u8},
	226	{"mesh_path_refresh_time",
	227	NL80211_MESHCONF_PATH_REFRESH_TIME,
	228	_my_nla_put_u32, _parse_u32, _print_u32_timeout},
	229	{"mesh_min_discovery_timeout",
	230	NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
	231	_my_nla_put_u16, _parse_u16, _print_u16_timeout},
	232	{"mesh_hwmp_active_path_timeout",
	233	NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
	234	_my_nla_put_u32, _parse_u32, _print_u32_in_TUs},
	235	{"mesh_hwmp_preq_min_interval",
	236	NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
	237	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
	238	{"mesh_hwmp_net_diameter_traversal_time",
	239	NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
	240	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
cc37218f RP	241	{"mesh_hwmp_rootmode", NL80211_MESHCONF_HWMP_ROOTMODE,
cc37218f RP	242	_my_nla_put_u8, _parse_u8, _print_u8},
b9aa711a	243	{"mesh_hwmp_rann_interval", NL80211_MESHCONF_HWMP_RANN_INTERVAL,
b1b5713b	244	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
b9aa711a JC	245	{"mesh_gate_announcements", NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
b9aa711a JC	246	_my_nla_put_u8, _parse_u8, _print_u8},
accd0d23 CYY	247	{"mesh_fwding", NL80211_MESHCONF_FORWARDING,
accd0d23 CYY	248	_my_nla_put_u8, _parse_u8_as_bool, _print_u8},
d9f730c4 AN	249	{"mesh_sync_offset_max_neighor",
	250	NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
	251	_my_nla_put_u32, _parse_u32, _print_u32},
be97e513 AN	252	{"mesh_rssi_threshold", NL80211_MESHCONF_RSSI_THRESHOLD,
be97e513 AN	253	_my_nla_put_u32, _parse_s32, _print_s32_in_dBm},
b1b5713b CYY	254	{"mesh_hwmp_active_path_to_root_timeout",
	255	NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
	256	_my_nla_put_u32, _parse_u32, _print_u32_in_TUs},
	257	{"mesh_hwmp_root_interval", NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
	258	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
	259	{"mesh_hwmp_confirmation_interval",
	260	NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
	261	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
46758fa3 MP	262	{"mesh_power_mode", NL80211_MESHCONF_POWER_MODE,
	263	_my_nla_put_u32, _parse_u32_power_mode, _print_u32_power_mode},
	264	{"mesh_awake_window", NL80211_MESHCONF_AWAKE_WINDOW,
	265	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
770f80c9 CT	266	{"mesh_plink_timeout", NL80211_MESHCONF_PLINK_TIMEOUT,
770f80c9 CT	267	_my_nla_put_u32, _parse_u32, _print_u32_in_seconds},
0789fd27 MT	268	{"mesh_connected_to_gate", NL80211_MESHCONF_CONNECTED_TO_GATE,
0789fd27 MT	269	_my_nla_put_u8, _parse_u8_as_bool, _print_u8},
94ded888 LL	270	{"mesh_nolearn", NL80211_MESHCONF_NOLEARN,
94ded888 LL	271	_my_nla_put_u8, _parse_u8_as_bool, _print_u8},
0789fd27 MT	272	{"mesh_connected_to_as", NL80211_MESHCONF_CONNECTED_TO_AS,
0789fd27 MT	273	_my_nla_put_u8, _parse_u8_as_bool, _print_u8},
46c1ad1f	274	};
	275
	276	static void print_all_mesh_param_descr(void)
	277	{
0ee571d5	278	unsigned int i;
46c1ad1f	279
f089471a JB	280	printf("Possible mesh parameters are:\n");
	281
	282	for (i = 0; i < ARRAY_SIZE(_mesh_param_descrs); i++)
	283	printf(" - %s\n", _mesh_param_descrs[i].name);
46c1ad1f	284	}
46c1ad1f	285
a34f62cf	286	static const struct mesh_param_descr find_mesh_param(const char name)
46c1ad1f	287	{
0ee571d5	288	unsigned int i;
46c1ad1f	289
46c1ad1f	290	/* Find out what mesh parameter we want to change. */
4d0d2ea7	291	for (i = 0; i < ARRAY_SIZE(_mesh_param_descrs); i++) {
83cb979b	292	if (strcmp(_mesh_param_descrs[i].name, name) == 0)
46c1ad1f	293	return _mesh_param_descrs + i;
4d0d2ea7	294	}
46c1ad1f	295
83cb979b	296	return NULL;
46c1ad1f	297	}
	298
	299	/* Setter */
7c37a24d	300	static int set_interface_meshparam(struct nl80211_state *state,
7c37a24d	301	struct nl_msg *msg,
05514f95 JB	302	int argc, char **argv,
05514f95 JB	303	enum id_input id)
46c1ad1f	304	{
46c1ad1f	305	const struct mesh_param_descr *mdescr;
656aa246	306	struct nlattr *container;
a34f62cf	307	uint32_t ret;
1ea6085c	308	int err = 2;
46c1ad1f	309
656aa246	310	container = nla_nest_start(msg, NL80211_ATTR_MESH_PARAMS);
46c1ad1f	311	if (!container)
46c1ad1f	312	return -ENOBUFS;
a34f62cf	313
33cbe6cd OO	314	if (!argc) {
33cbe6cd OO	315	print_all_mesh_param_descr();
a34f62cf	316	return 1;
33cbe6cd	317	}
a34f62cf JB	318
	319	while (argc) {
	320	const char *name;
	321	char *value;
	322	_any any;
	323
	324	memset(&any, 0, sizeof(_any));
	325
	326	name = argv[0];
	327	value = strchr(name, '=');
	328	if (value) {
	329	*value = '\0';
	330	value++;
	331	argc--;
	332	argv++;
	333	} else {
	334	/* backward compat -- accept w/o '=' */
	335	if (argc < 2) {
	336	printf("Must specify a value for %s.\n", name);
	337	return 2;
	338	}
	339	value = argv[1];
	340	argc -= 2;
	341	argv += 2;
	342	}
	343
	344	mdescr = find_mesh_param(name);
33cbe6cd OO	345	if (!mdescr) {
	346	printf("Could not find the parameter %s.\n", name);
	347	print_all_mesh_param_descr();
a34f62cf	348	return 2;
33cbe6cd	349	}
a34f62cf JB	350
	351	/* Parse the new value */
	352	ret = mdescr->parse_fn(value, &any);
	353	if (ret != 0) {
46758fa3 MP	354	if (mdescr->mesh_param_num
	355	== NL80211_MESHCONF_POWER_MODE)
	356	printf("%s must be set to active, light or "
	357	"deep.\n", mdescr->name);
	358	else
	359	printf("%s must be set to a number "
	360	"between 0 and %u\n",
	361	mdescr->name, ret);
	362
a34f62cf JB	363	return 2;
	364	}
	365
	366	err = mdescr->nla_put_fn(msg, mdescr->mesh_param_num, &any);
	367	if (err)
	368	return err;
	369	}
46c1ad1f	370	nla_nest_end(msg, container);
	371
	372	return err;
	373	}
	374
a34f62cf	375	COMMAND(set, mesh_param, "<param>=<value> [<param>=<value>]*",
70cf4544 JB	376	NL80211_CMD_SET_MESH_PARAMS, 0, CIB_NETDEV, set_interface_meshparam,
70cf4544 JB	377	"Set mesh parameter (run command without any to see available ones).");
46c1ad1f	378
	379	/* Getter */
	380	static int print_mesh_param_handler(struct nl_msg msg, void arg)
	381	{
	382	const struct mesh_param_descr *mdescr = arg;
	383	struct nlattr *attrs[NL80211_ATTR_MAX + 1];
	384	struct nlattr *parent_attr;
	385	struct nlattr *mesh_params[NL80211_MESHCONF_ATTR_MAX + 1];
	386	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
	387
	388	/* locate NL80211_ATTR_MESH_PARAMS */
	389	nla_parse(attrs, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
	390	genlmsg_attrlen(gnlh, 0), NULL);
	391	parent_attr = attrs[NL80211_ATTR_MESH_PARAMS];
	392	if (!parent_attr)
	393	return -EINVAL;
	394
	395	/* unpack the mesh parameters */
	396	if (nla_parse_nested(mesh_params, NL80211_MESHCONF_ATTR_MAX,
97e21372	397	parent_attr, NULL))
46c1ad1f	398	return -EINVAL;
46c1ad1f	399
97e21372	400	if (!mdescr) {
0ee571d5	401	unsigned int i;
97e21372 JB	402
	403	for (i = 0; i < ARRAY_SIZE(_mesh_param_descrs); i++) {
	404	mdescr = &_mesh_param_descrs[i];
87728dfc GS	405	if (mesh_params[mdescr->mesh_param_num]) {
	406	printf("%s = ", mdescr->name);
	407	mdescr->nla_print_fn(mesh_params[mdescr->mesh_param_num]);
	408	printf("\n");
	409	}
97e21372 JB	410	}
	411	return NL_SKIP;
	412	}
	413
46c1ad1f	414	/* print out the mesh parameter */
87728dfc GS	415	if (mesh_params[mdescr->mesh_param_num]) {
	416	mdescr->nla_print_fn(mesh_params[mdescr->mesh_param_num]);
	417	printf("\n");
	418	}
46c1ad1f	419	return NL_SKIP;
	420	}
	421
7c37a24d	422	static int get_interface_meshparam(struct nl80211_state *state,
7c37a24d	423	struct nl_msg *msg,
05514f95 JB	424	int argc, char **argv,
05514f95 JB	425	enum id_input id)
46c1ad1f	426	{
97e21372	427	const struct mesh_param_descr *mdescr = NULL;
46c1ad1f	428
33cbe6cd OO	429	if (argc == 0) {
33cbe6cd OO	430	print_all_mesh_param_descr();
97e21372	431	return 1;
33cbe6cd	432	} else if (argc == 1) {
a34f62cf	433	mdescr = find_mesh_param(argv[0]);
33cbe6cd OO	434	if (!mdescr) {
	435	printf("Could not find the parameter %s.\n", argv[0]);
	436	print_all_mesh_param_descr();
97e21372	437	return 2;
33cbe6cd OO	438	}
	439	} else {
	440	return 1;
97e21372	441	}
46c1ad1f	442
34b23014	443	register_handler(print_mesh_param_handler, (void *)mdescr);
46c1ad1f	444	return 0;
	445	}
	446
97e21372	447	COMMAND(get, mesh_param, "[<param>]",
70cf4544 JB	448	NL80211_CMD_GET_MESH_PARAMS, 0, CIB_NETDEV, get_interface_meshparam,
70cf4544 JB	449	"Retrieve mesh parameter (run command without any to see available ones).");
400efd3e	450
d59e9086 GS	451	static int dump_interface_meshparam(struct nl80211_state *state,
	452	struct nl_msg *msg,
	453	int argc, char **argv,
	454	enum id_input id)
	455	{
	456	register_handler(print_mesh_param_handler, NULL);
	457	return 0;
	458	}
	459
	460	COMMAND(mesh_param, dump, "",
	461	NL80211_CMD_GET_MESH_PARAMS, 0, CIB_NETDEV, dump_interface_meshparam,
	462	"List all supported mesh parameters");
	463
34b23014	464	static int join_mesh(struct nl80211_state *state,
05514f95 JB	465	struct nl_msg msg, int argc, char *argv,
05514f95 JB	466	enum id_input id)
400efd3e	467	{
9560e43d	468	struct nlattr *container;
7d01a091	469	float rate;
c8473cb1	470	unsigned char rates[NL80211_MAX_SUPP_RATES];
0ee571d5	471	int bintval, dtim_period, n_rates = 0;
c8473cb1	472	char end, value = NULL, *sptr = NULL;
7d01a091	473
400efd3e JB	474	if (argc < 1)
	475	return 1;
	476
	477	NLA_PUT(msg, NL80211_ATTR_MESH_ID, strlen(argv[0]), argv[0]);
	478	argc--;
	479	argv++;
	480
957baf81 CYY	481	/* freq */
957baf81 CYY	482	if (argc > 1 && strcmp(argv[0], "freq") == 0) {
3e1debef BB	483	struct chandef chandef;
3e1debef BB	484	int err, parsed;
957baf81	485
3e1debef BB	486	err = parse_freqchan(&chandef, false, argc - 1, argv + 1,
	487	&parsed);
	488	if (err)
	489	return err;
957baf81	490
3e1debef BB	491	argv += parsed + 1;
3e1debef BB	492	argc -= parsed + 1;
957baf81	493
bcdceae1	494	err = put_chandef(msg, &chandef);
3e1debef BB	495	if (err)
3e1debef BB	496	return err;
957baf81 CYY	497	}
957baf81 CYY	498
c8473cb1 CYY	499	/* basic rates */
	500	if (argc > 1 && strcmp(argv[0], "basic-rates") == 0) {
	501	argv++;
	502	argc--;
	503
	504	value = strtok_r(argv[0], ",", &sptr);
	505
	506	while (value && n_rates < NL80211_MAX_SUPP_RATES) {
	507	rate = strtod(value, &end);
	508	rates[n_rates] = rate * 2;
	509
	510	/* filter out suspicious values */
	511	if (*end != '\0' \|\| !rates[n_rates] \|\|
	512	rate*2 != rates[n_rates])
	513	return 1;
	514
	515	n_rates++;
	516	value = strtok_r(NULL, ",", &sptr);
	517	}
	518
	519	NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, n_rates, rates);
	520	argv++;
	521	argc--;
	522	}
	523
	524	/* multicast rate */
7d01a091 CYY	525	if (argc > 1 && strcmp(argv[0], "mcast-rate") == 0) {
	526	argv++;
	527	argc--;
	528
	529	rate = strtod(argv[0], &end);
	530	if (*end != '\0')
	531	return 1;
	532
	533	NLA_PUT_U32(msg, NL80211_ATTR_MCAST_RATE, (int)(rate * 10));
	534	argv++;
	535	argc--;
	536	}
	537
a8c2e76d MP	538	if (argc > 1 && strcmp(argv[0], "beacon-interval") == 0) {
	539	argc--;
	540	argv++;
	541
	542	bintval = strtoul(argv[0], &end, 10);
	543	if (*end != '\0')
	544	return 1;
	545
	546	NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, bintval);
	547	argv++;
	548	argc--;
	549	}
	550
	551	if (argc > 1 && strcmp(argv[0], "dtim-period") == 0) {
	552	argc--;
	553	argv++;
	554
	555	dtim_period = strtoul(argv[0], &end, 10);
	556	if (*end != '\0')
	557	return 1;
	558
	559	NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
	560	argv++;
	561	argc--;
	562	}
	563
9560e43d AN	564	container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
	565	if (!container)
	566	return -ENOBUFS;
	567
	568	if (argc > 1 && strcmp(argv[0], "vendor_sync") == 0) {
	569	argv++;
	570	argc--;
	571	if (strcmp(argv[0], "on") == 0)
	572	NLA_PUT_U8(msg,
	573	NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC, 1);
	574	else
	575	NLA_PUT_U8(msg,
	576	NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC, 0);
	577	argv++;
	578	argc--;
	579	}
	580	/* parse and put other NL80211_ATTR_MESH_SETUP elements here */
	581
	582	nla_nest_end(msg, container);
	583
400efd3e JB	584	if (!argc)
400efd3e JB	585	return 0;
34b23014	586	return set_interface_meshparam(state, msg, argc, argv, id);
400efd3e JB	587	nla_put_failure:
	588	return -ENOBUFS;
	589	}
8366d195	590	COMMAND(mesh, join, "<mesh ID> [[freq <freq in MHz> <NOHT\|HT20\|HT40+\|HT40-\|80MHz>]"
c8473cb1	591	" [basic-rates <rate in Mbps,rate2,...>]], [mcast-rate <rate in Mbps>]"
a8c2e76d MP	592	" [beacon-interval <time in TUs>] [dtim-period <value>]"
a8c2e76d MP	593	" [vendor_sync on\|off] [<param>=<value>]*",
400efd3e	594	NL80211_CMD_JOIN_MESH, 0, CIB_NETDEV, join_mesh,
c8473cb1 CYY	595	"Join a mesh with the given mesh ID with frequency, basic-rates,\n"
	596	"mcast-rate and mesh parameters. Basic-rates are applied only if\n"
	597	"frequency is provided.");
400efd3e	598
34b23014	599	static int leave_mesh(struct nl80211_state *state,
05514f95 JB	600	struct nl_msg msg, int argc, char *argv,
05514f95 JB	601	enum id_input id)
400efd3e JB	602	{
	603	if (argc)
	604	return 1;
	605
	606	return 0;
	607	}
	608	COMMAND(mesh, leave, NULL, NL80211_CMD_LEAVE_MESH, 0, CIB_NETDEV, leave_mesh,
	609	"Leave a mesh.");