[thirdparty/iw.git] / mesh.c

#include <net/if.h>
#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);


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_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 */
const static 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},
};

static void print_all_mesh_param_descr(void)
{
	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)
{
	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;
	}

	print_all_mesh_param_descr();
	return NULL;
}

/* Setter */
static int set_interface_meshparam(struct nl80211_state *state,
				   struct nl_cb *cb,
				   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;

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

	if (!argc)
		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)
			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) {
		int i;

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

	/* print out the mesh parameter */
	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_cb *cb,
				   struct nl_msg *msg,
				   int argc, char **argv,
				   enum id_input id)
{
	const struct mesh_param_descr *mdescr = NULL;

	if (argc > 1)
		return 1;

	if (argc == 1) {
		mdescr = find_mesh_param(argv[0]);
		if (!mdescr)
			return 2;
	}

	nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
		  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 join_mesh(struct nl80211_state *state, struct nl_cb *cb,
		     struct nl_msg *msg, int argc, char **argv,
		     enum id_input id)
{
	struct nlattr *container;
	float rate;
	int bintval, dtim_period;
	char *end;

	if (argc < 1)
		return 1;

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

	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, cb, msg, argc, argv, id);
 nla_put_failure:
	return -ENOBUFS;
}
COMMAND(mesh, join, "<mesh ID> [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 mcast-rate and mesh parameters.");

static int leave_mesh(struct nl80211_state *state, struct nl_cb *cb,
		      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 <net/if.h>
	2	#include <errno.h>
	3	#include <string.h>
	4
	5	#include <netlink/genl/genl.h>
	6	#include <netlink/genl/family.h>
	7	#include <netlink/genl/ctrl.h>
	8	#include <netlink/msg.h>
	9	#include <netlink/attr.h>
	10
	11	#include "nl80211.h"
	12	#include "iw.h"
	13
400efd3e JB	14	SECTION(mesh);
	15
	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
656aa246	160	static void _print_u32_in_TUs(struct nlattr *a)
46c1ad1f	161	{
	162	printf("%d TUs", nla_get_u32(a));
	163	}
	164
46758fa3 MP	165	static void _print_u32_power_mode(struct nlattr *a)
	166	{
	167	unsigned long v = nla_get_u32(a);
	168
	169	switch (v) {
	170	case NL80211_MESH_POWER_ACTIVE:
	171	printf("active");
	172	break;
	173	case NL80211_MESH_POWER_LIGHT_SLEEP:
	174	printf("light");
	175	break;
	176	case NL80211_MESH_POWER_DEEP_SLEEP:
	177	printf("deep");
	178	break;
	179	default:
	180	printf("undefined");
	181	break;
	182	}
	183	}
	184
be97e513 AN	185	static void _print_s32_in_dBm(struct nlattr *a)
	186	{
	187	printf("%d dBm", (int32_t) nla_get_u32(a));
	188	}
	189
	190
46c1ad1f	191	/* The current mesh parameters */
	192	const static struct mesh_param_descr _mesh_param_descrs[] =
	193	{
	194	{"mesh_retry_timeout",
	195	NL80211_MESHCONF_RETRY_TIMEOUT,
	196	_my_nla_put_u16, _parse_u16, _print_u16_timeout},
	197	{"mesh_confirm_timeout",
	198	NL80211_MESHCONF_CONFIRM_TIMEOUT,
	199	_my_nla_put_u16, _parse_u16, _print_u16_timeout},
	200	{"mesh_holding_timeout",
	201	NL80211_MESHCONF_HOLDING_TIMEOUT,
	202	_my_nla_put_u16, _parse_u16, _print_u16_timeout},
	203	{"mesh_max_peer_links",
	204	NL80211_MESHCONF_MAX_PEER_LINKS,
	205	_my_nla_put_u16, _parse_u16, _print_u16},
	206	{"mesh_max_retries",
	207	NL80211_MESHCONF_MAX_RETRIES,
	208	_my_nla_put_u8, _parse_u8, _print_u8},
	209	{"mesh_ttl",
	210	NL80211_MESHCONF_TTL,
	211	_my_nla_put_u8, _parse_u8, _print_u8},
247beb99 JB	212	{"mesh_element_ttl",
	213	NL80211_MESHCONF_ELEMENT_TTL,
	214	_my_nla_put_u8, _parse_u8, _print_u8},
46c1ad1f	215	{"mesh_auto_open_plinks",
	216	NL80211_MESHCONF_AUTO_OPEN_PLINKS,
	217	_my_nla_put_u8, _parse_u8_as_bool, _print_u8},
	218	{"mesh_hwmp_max_preq_retries",
	219	NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
	220	_my_nla_put_u8, _parse_u8, _print_u8},
	221	{"mesh_path_refresh_time",
	222	NL80211_MESHCONF_PATH_REFRESH_TIME,
	223	_my_nla_put_u32, _parse_u32, _print_u32_timeout},
	224	{"mesh_min_discovery_timeout",
	225	NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
	226	_my_nla_put_u16, _parse_u16, _print_u16_timeout},
	227	{"mesh_hwmp_active_path_timeout",
	228	NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
	229	_my_nla_put_u32, _parse_u32, _print_u32_in_TUs},
	230	{"mesh_hwmp_preq_min_interval",
	231	NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
	232	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
	233	{"mesh_hwmp_net_diameter_traversal_time",
	234	NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
	235	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
cc37218f RP	236	{"mesh_hwmp_rootmode", NL80211_MESHCONF_HWMP_ROOTMODE,
cc37218f RP	237	_my_nla_put_u8, _parse_u8, _print_u8},
b9aa711a	238	{"mesh_hwmp_rann_interval", NL80211_MESHCONF_HWMP_RANN_INTERVAL,
b1b5713b	239	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
b9aa711a JC	240	{"mesh_gate_announcements", NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
b9aa711a JC	241	_my_nla_put_u8, _parse_u8, _print_u8},
accd0d23 CYY	242	{"mesh_fwding", NL80211_MESHCONF_FORWARDING,
accd0d23 CYY	243	_my_nla_put_u8, _parse_u8_as_bool, _print_u8},
d9f730c4 AN	244	{"mesh_sync_offset_max_neighor",
	245	NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
	246	_my_nla_put_u32, _parse_u32, _print_u32},
be97e513 AN	247	{"mesh_rssi_threshold", NL80211_MESHCONF_RSSI_THRESHOLD,
be97e513 AN	248	_my_nla_put_u32, _parse_s32, _print_s32_in_dBm},
b1b5713b CYY	249	{"mesh_hwmp_active_path_to_root_timeout",
	250	NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
	251	_my_nla_put_u32, _parse_u32, _print_u32_in_TUs},
	252	{"mesh_hwmp_root_interval", NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
	253	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
	254	{"mesh_hwmp_confirmation_interval",
	255	NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
	256	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
46758fa3 MP	257	{"mesh_power_mode", NL80211_MESHCONF_POWER_MODE,
	258	_my_nla_put_u32, _parse_u32_power_mode, _print_u32_power_mode},
	259	{"mesh_awake_window", NL80211_MESHCONF_AWAKE_WINDOW,
	260	_my_nla_put_u16, _parse_u16, _print_u16_in_TUs},
46c1ad1f	261	};
	262
	263	static void print_all_mesh_param_descr(void)
	264	{
	265	int i;
46c1ad1f	266
f089471a JB	267	printf("Possible mesh parameters are:\n");
	268
	269	for (i = 0; i < ARRAY_SIZE(_mesh_param_descrs); i++)
	270	printf(" - %s\n", _mesh_param_descrs[i].name);
46c1ad1f	271	}
46c1ad1f	272
a34f62cf	273	static const struct mesh_param_descr find_mesh_param(const char name)
46c1ad1f	274	{
46c1ad1f	275	int i;
46c1ad1f	276
46c1ad1f	277	/* Find out what mesh parameter we want to change. */
4d0d2ea7	278	for (i = 0; i < ARRAY_SIZE(_mesh_param_descrs); i++) {
83cb979b	279	if (strcmp(_mesh_param_descrs[i].name, name) == 0)
46c1ad1f	280	return _mesh_param_descrs + i;
4d0d2ea7	281	}
46c1ad1f	282
83cb979b AN	283	print_all_mesh_param_descr();
83cb979b AN	284	return NULL;
46c1ad1f	285	}
	286
	287	/* Setter */
7c37a24d JB	288	static int set_interface_meshparam(struct nl80211_state *state,
	289	struct nl_cb *cb,
	290	struct nl_msg *msg,
05514f95 JB	291	int argc, char **argv,
05514f95 JB	292	enum id_input id)
46c1ad1f	293	{
46c1ad1f	294	const struct mesh_param_descr *mdescr;
656aa246	295	struct nlattr *container;
a34f62cf JB	296	uint32_t ret;
a34f62cf JB	297	int err;
46c1ad1f	298
656aa246	299	container = nla_nest_start(msg, NL80211_ATTR_MESH_PARAMS);
46c1ad1f	300	if (!container)
46c1ad1f	301	return -ENOBUFS;
a34f62cf JB	302
	303	if (!argc)
	304	return 1;
	305
	306	while (argc) {
	307	const char *name;
	308	char *value;
	309	_any any;
	310
	311	memset(&any, 0, sizeof(_any));
	312
	313	name = argv[0];
	314	value = strchr(name, '=');
	315	if (value) {
	316	*value = '\0';
	317	value++;
	318	argc--;
	319	argv++;
	320	} else {
	321	/* backward compat -- accept w/o '=' */
	322	if (argc < 2) {
	323	printf("Must specify a value for %s.\n", name);
	324	return 2;
	325	}
	326	value = argv[1];
	327	argc -= 2;
	328	argv += 2;
	329	}
	330
	331	mdescr = find_mesh_param(name);
	332	if (!mdescr)
	333	return 2;
	334
	335	/* Parse the new value */
	336	ret = mdescr->parse_fn(value, &any);
	337	if (ret != 0) {
46758fa3 MP	338	if (mdescr->mesh_param_num
	339	== NL80211_MESHCONF_POWER_MODE)
	340	printf("%s must be set to active, light or "
	341	"deep.\n", mdescr->name);
	342	else
	343	printf("%s must be set to a number "
	344	"between 0 and %u\n",
	345	mdescr->name, ret);
	346
a34f62cf JB	347	return 2;
	348	}
	349
	350	err = mdescr->nla_put_fn(msg, mdescr->mesh_param_num, &any);
	351	if (err)
	352	return err;
	353	}
46c1ad1f	354	nla_nest_end(msg, container);
	355
	356	return err;
	357	}
	358
a34f62cf	359	COMMAND(set, mesh_param, "<param>=<value> [<param>=<value>]*",
70cf4544 JB	360	NL80211_CMD_SET_MESH_PARAMS, 0, CIB_NETDEV, set_interface_meshparam,
70cf4544 JB	361	"Set mesh parameter (run command without any to see available ones).");
46c1ad1f	362
	363	/* Getter */
	364	static int print_mesh_param_handler(struct nl_msg msg, void arg)
	365	{
	366	const struct mesh_param_descr *mdescr = arg;
	367	struct nlattr *attrs[NL80211_ATTR_MAX + 1];
	368	struct nlattr *parent_attr;
	369	struct nlattr *mesh_params[NL80211_MESHCONF_ATTR_MAX + 1];
	370	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
	371
	372	/* locate NL80211_ATTR_MESH_PARAMS */
	373	nla_parse(attrs, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
	374	genlmsg_attrlen(gnlh, 0), NULL);
	375	parent_attr = attrs[NL80211_ATTR_MESH_PARAMS];
	376	if (!parent_attr)
	377	return -EINVAL;
	378
	379	/* unpack the mesh parameters */
	380	if (nla_parse_nested(mesh_params, NL80211_MESHCONF_ATTR_MAX,
97e21372	381	parent_attr, NULL))
46c1ad1f	382	return -EINVAL;
46c1ad1f	383
97e21372 JB	384	if (!mdescr) {
	385	int i;
	386
	387	for (i = 0; i < ARRAY_SIZE(_mesh_param_descrs); i++) {
	388	mdescr = &_mesh_param_descrs[i];
	389	printf("%s = ", mdescr->name);
	390	mdescr->nla_print_fn(mesh_params[mdescr->mesh_param_num]);
	391	printf("\n");
	392	}
	393	return NL_SKIP;
	394	}
	395
46c1ad1f	396	/* print out the mesh parameter */
	397	mdescr->nla_print_fn(mesh_params[mdescr->mesh_param_num]);
	398	printf("\n");
	399	return NL_SKIP;
	400	}
	401
7c37a24d JB	402	static int get_interface_meshparam(struct nl80211_state *state,
	403	struct nl_cb *cb,
	404	struct nl_msg *msg,
05514f95 JB	405	int argc, char **argv,
05514f95 JB	406	enum id_input id)
46c1ad1f	407	{
97e21372	408	const struct mesh_param_descr *mdescr = NULL;
46c1ad1f	409
97e21372 JB	410	if (argc > 1)
	411	return 1;
	412
	413	if (argc == 1) {
a34f62cf	414	mdescr = find_mesh_param(argv[0]);
97e21372 JB	415	if (!mdescr)
	416	return 2;
	417	}
46c1ad1f	418
	419	nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
	420	print_mesh_param_handler, (void *)mdescr);
	421	return 0;
	422	}
	423
97e21372	424	COMMAND(get, mesh_param, "[<param>]",
70cf4544 JB	425	NL80211_CMD_GET_MESH_PARAMS, 0, CIB_NETDEV, get_interface_meshparam,
70cf4544 JB	426	"Retrieve mesh parameter (run command without any to see available ones).");
400efd3e JB	427
400efd3e JB	428	static int join_mesh(struct nl80211_state state, struct nl_cb cb,
05514f95 JB	429	struct nl_msg msg, int argc, char *argv,
05514f95 JB	430	enum id_input id)
400efd3e	431	{
9560e43d	432	struct nlattr *container;
7d01a091	433	float rate;
a8c2e76d	434	int bintval, dtim_period;
7d01a091 CYY	435	char *end;
7d01a091 CYY	436
400efd3e JB	437	if (argc < 1)
	438	return 1;
	439
	440	NLA_PUT(msg, NL80211_ATTR_MESH_ID, strlen(argv[0]), argv[0]);
	441	argc--;
	442	argv++;
	443
7d01a091 CYY	444	if (argc > 1 && strcmp(argv[0], "mcast-rate") == 0) {
	445	argv++;
	446	argc--;
	447
	448	rate = strtod(argv[0], &end);
	449	if (*end != '\0')
	450	return 1;
	451
	452	NLA_PUT_U32(msg, NL80211_ATTR_MCAST_RATE, (int)(rate * 10));
	453	argv++;
	454	argc--;
	455	}
	456
a8c2e76d MP	457	if (argc > 1 && strcmp(argv[0], "beacon-interval") == 0) {
	458	argc--;
	459	argv++;
	460
	461	bintval = strtoul(argv[0], &end, 10);
	462	if (*end != '\0')
	463	return 1;
	464
	465	NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, bintval);
	466	argv++;
	467	argc--;
	468	}
	469
	470	if (argc > 1 && strcmp(argv[0], "dtim-period") == 0) {
	471	argc--;
	472	argv++;
	473
	474	dtim_period = strtoul(argv[0], &end, 10);
	475	if (*end != '\0')
	476	return 1;
	477
	478	NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
	479	argv++;
	480	argc--;
	481	}
	482
9560e43d AN	483	container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
	484	if (!container)
	485	return -ENOBUFS;
	486
	487	if (argc > 1 && strcmp(argv[0], "vendor_sync") == 0) {
	488	argv++;
	489	argc--;
	490	if (strcmp(argv[0], "on") == 0)
	491	NLA_PUT_U8(msg,
	492	NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC, 1);
	493	else
	494	NLA_PUT_U8(msg,
	495	NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC, 0);
	496	argv++;
	497	argc--;
	498	}
	499	/* parse and put other NL80211_ATTR_MESH_SETUP elements here */
	500
	501	nla_nest_end(msg, container);
	502
400efd3e JB	503	if (!argc)
400efd3e JB	504	return 0;
05514f95	505	return set_interface_meshparam(state, cb, msg, argc, argv, id);
400efd3e JB	506	nla_put_failure:
	507	return -ENOBUFS;
	508	}
a8c2e76d MP	509	COMMAND(mesh, join, "<mesh ID> [mcast-rate <rate in Mbps>]"
	510	" [beacon-interval <time in TUs>] [dtim-period <value>]"
	511	" [vendor_sync on\|off] [<param>=<value>]*",
400efd3e	512	NL80211_CMD_JOIN_MESH, 0, CIB_NETDEV, join_mesh,
7d01a091	513	"Join a mesh with the given mesh ID with mcast-rate and mesh parameters.");
400efd3e JB	514
400efd3e JB	515	static int leave_mesh(struct nl80211_state state, struct nl_cb cb,
05514f95 JB	516	struct nl_msg msg, int argc, char *argv,
05514f95 JB	517	enum id_input id)
400efd3e JB	518	{
	519	if (argc)
	520	return 1;
	521
	522	return 0;
	523	}
	524	COMMAND(mesh, leave, NULL, NL80211_CMD_LEAVE_MESH, 0, CIB_NETDEV, leave_mesh,
	525	"Leave a mesh.");