[thirdparty/iw.git] / info.c

#include <stdbool.h>
#include <errno.h>
#include <net/if.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"

static void print_flag(const char *name, int *open)
{
	if (!*open)
		printf(" (");
	else
		printf(", ");
	printf("%s", name);
	*open = 1;
}

static int print_phy_handler(struct nl_msg *msg, void *arg)
{
	struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));

	struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];

	struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
	static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
		[NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
		[NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
		[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
		[NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
		[NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
		[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
	};

	struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
	static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
		[NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
		[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = { .type = NLA_FLAG },
	};

	struct nlattr *nl_band;
	struct nlattr *nl_freq;
	struct nlattr *nl_rate;
	struct nlattr *nl_mode;
	struct nlattr *nl_cmd;
	struct nlattr *nl_if, *nl_ftype;
	int bandidx = 1;
	int rem_band, rem_freq, rem_rate, rem_mode, rem_cmd, rem_ftype, rem_if;
	int open;

	nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
		  genlmsg_attrlen(gnlh, 0), NULL);

	if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
		return NL_SKIP;

	if (tb_msg[NL80211_ATTR_WIPHY_NAME])
		printf("Wiphy %s\n", nla_get_string(tb_msg[NL80211_ATTR_WIPHY_NAME]));

	nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) {
		printf("\tBand %d:\n", bandidx);
		bandidx++;

		nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
			  nla_len(nl_band), NULL);

#ifdef NL80211_BAND_ATTR_HT_CAPA
		if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) {
			__u16 cap = nla_get_u16(tb_band[NL80211_BAND_ATTR_HT_CAPA]);
			print_ht_capability(cap);
		}
		if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) {
			__u8 exponent = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]);
			print_ampdu_length(exponent);
		}
		if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) {
			__u8 spacing = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]);
			print_ampdu_spacing(spacing);
		}
		if (tb_band[NL80211_BAND_ATTR_HT_MCS_SET] &&
		    nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]) == 16)
			print_ht_mcs(nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]));
#endif

		printf("\t\tFrequencies:\n");

		nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
			uint32_t freq;
			nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
				  nla_len(nl_freq), freq_policy);
			if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
				continue;
			freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
			printf("\t\t\t* %d MHz [%d]", freq, ieee80211_frequency_to_channel(freq));

			if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
			    !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
				printf(" (%.1f dBm)", 0.01 * nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]));

			open = 0;
			if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) {
				print_flag("disabled", &open);
				goto next;
			}
			if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
				print_flag("passive scanning", &open);
			if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
				print_flag("no IBSS", &open);
			if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
				print_flag("radar detection", &open);
 next:
			if (open)
				printf(")");
			printf("\n");
		}

		printf("\t\tBitrates (non-HT):\n");

		nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
			nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
				  nla_len(nl_rate), rate_policy);
			if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
				continue;
			printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate[NL80211_BITRATE_ATTR_RATE]));
			open = 0;
			if (tb_rate[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE])
				print_flag("short preamble supported", &open);
			if (open)
				printf(")");
			printf("\n");
		}
	}

	if (tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
		printf("\tmax # scan SSIDs: %d\n",
		       nla_get_u8(tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]));
	if (tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN])
		printf("\tmax scan IEs length: %d bytes\n",
		       nla_get_u16(tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN]));

	if (tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
		unsigned int frag;

		frag = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
		if (frag != (unsigned int)-1)
			printf("\tFragmentation threshold: %d\n", frag);
	}

	if (tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
		unsigned int rts;

		rts = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
		if (rts != (unsigned int)-1)
			printf("\tRTS threshold: %d\n", rts);
	}

	if (tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
		unsigned char coverage;

		coverage = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
		/* See handle_distance() for an explanation where the '450' comes from */
		printf("\tCoverage class: %d (up to %dm)\n", coverage, 450 * coverage);
	}

	if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX] &&
	    tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX])
		printf("\tAvailable Antennas: TX %#x RX %#x\n",
		       nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX]),
		       nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX]));

	if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
	    tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX])
		printf("\tConfigured Antennas: TX %#x RX %#x\n",
		       nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX]),
		       nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX]));

	if (tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES]) {
		printf("\tSupported interface modes:\n");
		nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES], rem_mode)
			printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
	}

	if (tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES]) {
		printf("\tsoftware interface modes (can always be added):\n");
		nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES], rem_mode)
			printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
	}

	if (tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS]) {
		struct nlattr *nl_combi;
		int rem_combi;
		bool have_combinations = false;

		nla_for_each_nested(nl_combi, tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS], rem_combi) {
			static struct nla_policy iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
				[NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
				[NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
				[NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
				[NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
			};
			struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
			static struct nla_policy iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
				[NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
				[NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
			};
			struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
			struct nlattr *nl_limit;
			int err, rem_limit;
			bool comma = false;

			if (!have_combinations) {
				printf("\tvalid interface combinations:\n");
				have_combinations = true;
			}

			printf("\t\t * ");

			err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
					       nl_combi, iface_combination_policy);
			if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
			    !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
			    !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) {
				printf(" <failed to parse>\n");
				goto broken_combination;
			}

			nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], rem_limit) {
				bool ift_comma = false;

				err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
						       nl_limit, iface_limit_policy);
				if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES]) {
					printf("<failed to parse>\n");
					goto broken_combination;
				}

				if (comma)
					printf(", ");
				comma = true;
				printf("#{");

				nla_for_each_nested(nl_mode, tb_limit[NL80211_IFACE_LIMIT_TYPES], rem_mode) {
					printf("%s %s", ift_comma ? "," : "",
						iftype_name(nla_type(nl_mode)));
					ift_comma = true;
				}
				printf(" } <= %u", nla_get_u32(tb_limit[NL80211_IFACE_LIMIT_MAX]));
			}
			printf(",\n\t\t   ");

			printf("total <= %d, #channels <= %d%s\n",
				nla_get_u32(tb_comb[NL80211_IFACE_COMB_MAXNUM]),
				nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]),
				tb_comb[NL80211_IFACE_COMB_STA_AP_BI_MATCH] ?
					", STA/AP BI must match" : "");
broken_combination:
			;
		}

		if (!have_combinations)
			printf("\tinterface combinations are not supported\n");
	}

	if (tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS]) {
		printf("\tSupported commands:\n");
		nla_for_each_nested(nl_cmd, tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS], rem_cmd)
			printf("\t\t * %s\n", command_name(nla_get_u32(nl_cmd)));
	}

	if (tb_msg[NL80211_ATTR_TX_FRAME_TYPES]) {
		printf("\tSupported TX frame types:\n");
		nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_TX_FRAME_TYPES], rem_if) {
			bool printed = false;
			nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
				if (!printed)
					printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
				printed = true;
				printf(" 0x%.4x", nla_get_u16(nl_ftype));
			}
			if (printed)
				printf("\n");
		}
	}

	if (tb_msg[NL80211_ATTR_RX_FRAME_TYPES]) {
		printf("\tSupported RX frame types:\n");
		nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_RX_FRAME_TYPES], rem_if) {
			bool printed = false;
			nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
				if (!printed)
					printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
				printed = true;
				printf(" 0x%.4x", nla_get_u16(nl_ftype));
			}
			if (printed)
				printf("\n");
		}
	}

	if (tb_msg[NL80211_ATTR_SUPPORT_IBSS_RSN])
		printf("\tDevice supports RSN-IBSS.\n");

	if (tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]) {
		struct nlattr *tb_wowlan[NUM_NL80211_WOWLAN_TRIG];
		static struct nla_policy wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
			[NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
			[NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
			[NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
			[NL80211_WOWLAN_TRIG_PKT_PATTERN] = {
				.minlen = sizeof(struct nl80211_wowlan_pattern_support),
			},
		};
		struct nl80211_wowlan_pattern_support *pat;
		int err;

		err = nla_parse_nested(tb_wowlan, MAX_NL80211_WOWLAN_TRIG,
				       tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED],
				       wowlan_policy);
		printf("\tWoWLAN support:");
		if (err) {
			printf(" <failed to parse>\n");
		} else {
			printf("\n");
			if (tb_wowlan[NL80211_WOWLAN_TRIG_ANY])
				printf("\t\t * any (device continues operating)\n");
			if (tb_wowlan[NL80211_WOWLAN_TRIG_DISCONNECT])
				printf("\t\t * disconnect\n");
			if (tb_wowlan[NL80211_WOWLAN_TRIG_MAGIC_PKT])
				printf("\t\t * magic packet\n");
			if (tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
				pat = nla_data(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]);
				printf("\t\t * up to %u patterns of %u-%u bytes\n",
					pat->max_patterns, pat->min_pattern_len, pat->max_pattern_len);
			}
		}
	}

	return NL_SKIP;
}

static int handle_info(struct nl80211_state *state,
		       struct nl_cb *cb,
		       struct nl_msg *msg,
		       int argc, char **argv)
{
	nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_phy_handler, NULL);

	return 0;
}
__COMMAND(NULL, info, "info", NULL, NL80211_CMD_GET_WIPHY, 0, 0, CIB_PHY, handle_info,
	 "Show capabilities for the specified wireless device.", NULL);
TOPLEVEL(list, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info,
	 "List all wireless devices and their capabilities.");
TOPLEVEL(phy, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info, NULL);
Commit	Line	Data
21878f36	1	#include <stdbool.h>
79f99b9a	2	#include <errno.h>
2ef1be68 JB	3	#include <net/if.h>
2ef1be68 JB	4
79f99b9a JB	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>
79f99b9a	10
f408e01b	11	#include "nl80211.h"
79f99b9a JB	12	#include "iw.h"
	13
	14	static void print_flag(const char name, int open)
	15	{
	16	if (!*open)
	17	printf(" (");
	18	else
	19	printf(", ");
69283122	20	printf("%s", name);
79f99b9a JB	21	*open = 1;
	22	}
	23
	24	static int print_phy_handler(struct nl_msg msg, void arg)
	25	{
	26	struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
	27	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
	28
	29	struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
	30
	31	struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
	32	static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
	33	[NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
	34	[NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
	35	[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
	36	[NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
	37	[NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
c1081c20	38	[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
79f99b9a JB	39	};
	40
	41	struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
	42	static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
	43	[NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
	44	[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = { .type = NLA_FLAG },
	45	};
	46
	47	struct nlattr *nl_band;
	48	struct nlattr *nl_freq;
	49	struct nlattr *nl_rate;
6367e71a	50	struct nlattr *nl_mode;
9990c1e9	51	struct nlattr *nl_cmd;
9a4a14bd	52	struct nlattr nl_if, nl_ftype;
79f99b9a	53	int bandidx = 1;
9a4a14bd	54	int rem_band, rem_freq, rem_rate, rem_mode, rem_cmd, rem_ftype, rem_if;
79f99b9a JB	55	int open;
	56
	57	nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
	58	genlmsg_attrlen(gnlh, 0), NULL);
	59
	60	if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
	61	return NL_SKIP;
	62
d631650b JB	63	if (tb_msg[NL80211_ATTR_WIPHY_NAME])
	64	printf("Wiphy %s\n", nla_get_string(tb_msg[NL80211_ATTR_WIPHY_NAME]));
	65
79f99b9a	66	nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) {
d631650b	67	printf("\tBand %d:\n", bandidx);
79f99b9a JB	68	bandidx++;
	69
	70	nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
	71	nla_len(nl_band), NULL);
	72
3dd781cc JB	73	#ifdef NL80211_BAND_ATTR_HT_CAPA
3dd781cc JB	74	if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) {
357c1a5d LR	75	__u16 cap = nla_get_u16(tb_band[NL80211_BAND_ATTR_HT_CAPA]);
357c1a5d LR	76	print_ht_capability(cap);
3dd781cc JB	77	}
3dd781cc JB	78	if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) {
0950993f LR	79	__u8 exponent = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]);
0950993f LR	80	print_ampdu_length(exponent);
3dd781cc JB	81	}
3dd781cc JB	82	if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) {
0950993f LR	83	__u8 spacing = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]);
0950993f LR	84	print_ampdu_spacing(spacing);
3dd781cc JB	85	}
3dd781cc JB	86	if (tb_band[NL80211_BAND_ATTR_HT_MCS_SET] &&
7ddfb679 JB	87	nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]) == 16)
7ddfb679 JB	88	print_ht_mcs(nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]));
3dd781cc JB	89	#endif
3dd781cc JB	90
d631650b	91	printf("\t\tFrequencies:\n");
79f99b9a JB	92
79f99b9a JB	93	nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
379f8397	94	uint32_t freq;
79f99b9a JB	95	nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
	96	nla_len(nl_freq), freq_policy);
	97	if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
	98	continue;
379f8397 JB	99	freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
379f8397 JB	100	printf("\t\t\t* %d MHz [%d]", freq, ieee80211_frequency_to_channel(freq));
c1081c20	101
d102c0b6 JB	102	if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
	103	!tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
	104	printf(" (%.1f dBm)", 0.01 * nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]));
c1081c20	105
79f99b9a	106	open = 0;
ee9cd987	107	if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) {
79f99b9a	108	print_flag("disabled", &open);
ee9cd987 JB	109	goto next;
ee9cd987 JB	110	}
79f99b9a JB	111	if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
	112	print_flag("passive scanning", &open);
	113	if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
	114	print_flag("no IBSS", &open);
	115	if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
	116	print_flag("radar detection", &open);
ee9cd987	117	next:
79f99b9a JB	118	if (open)
	119	printf(")");
	120	printf("\n");
	121	}
	122
75dddccc	123	printf("\t\tBitrates (non-HT):\n");
79f99b9a JB	124
	125	nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
	126	nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
	127	nla_len(nl_rate), rate_policy);
	128	if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
	129	continue;
d631650b	130	printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate[NL80211_BITRATE_ATTR_RATE]));
79f99b9a JB	131	open = 0;
	132	if (tb_rate[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE])
	133	print_flag("short preamble supported", &open);
	134	if (open)
	135	printf(")");
	136	printf("\n");
	137	}
	138	}
	139
41be37f2 JB	140	if (tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
	141	printf("\tmax # scan SSIDs: %d\n",
	142	nla_get_u8(tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]));
f9c112b6 JB	143	if (tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN])
f9c112b6 JB	144	printf("\tmax scan IEs length: %d bytes\n",
8eaa9ee5	145	nla_get_u16(tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN]));
41be37f2	146
625aa4ae JB	147	if (tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
	148	unsigned int frag;
	149
	150	frag = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
	151	if (frag != (unsigned int)-1)
	152	printf("\tFragmentation threshold: %d\n", frag);
	153	}
	154
	155	if (tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
	156	unsigned int rts;
	157
	158	rts = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
	159	if (rts != (unsigned int)-1)
	160	printf("\tRTS threshold: %d\n", rts);
	161	}
	162
b2f92dd0 LT	163	if (tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
	164	unsigned char coverage;
	165
	166	coverage = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
	167	/* See handle_distance() for an explanation where the '450' comes from */
	168	printf("\tCoverage class: %d (up to %dm)\n", coverage, 450 * coverage);
	169	}
	170
afce7986 BR	171	if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX] &&
	172	tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX])
	173	printf("\tAvailable Antennas: TX %#x RX %#x\n",
	174	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX]),
	175	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX]));
	176
	177	if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
	178	tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX])
	179	printf("\tConfigured Antennas: TX %#x RX %#x\n",
	180	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX]),
	181	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX]));
	182
9a4a14bd JB	183	if (tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES]) {
	184	printf("\tSupported interface modes:\n");
	185	nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES], rem_mode)
8ef6df4f	186	printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
9a4a14bd	187	}
6367e71a	188
1c5b4a82 JB	189	if (tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES]) {
	190	printf("\tsoftware interface modes (can always be added):\n");
	191	nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES], rem_mode)
	192	printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
	193	}
	194
	195	if (tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS]) {
	196	struct nlattr *nl_combi;
	197	int rem_combi;
f5f6f15f	198	bool have_combinations = false;
1c5b4a82 JB	199
	200	nla_for_each_nested(nl_combi, tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS], rem_combi) {
	201	static struct nla_policy iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
	202	[NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
	203	[NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
	204	[NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
	205	[NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
	206	};
	207	struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
	208	static struct nla_policy iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
	209	[NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
	210	[NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
	211	};
	212	struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
	213	struct nlattr *nl_limit;
	214	int err, rem_limit;
	215	bool comma = false;
	216
f5f6f15f JB	217	if (!have_combinations) {
	218	printf("\tvalid interface combinations:\n");
	219	have_combinations = true;
	220	}
	221
1c5b4a82 JB	222	printf("\t\t * ");
	223
	224	err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
	225	nl_combi, iface_combination_policy);
	226	if (err \|\| !tb_comb[NL80211_IFACE_COMB_LIMITS] \|\|
	227	!tb_comb[NL80211_IFACE_COMB_MAXNUM] \|\|
	228	!tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) {
	229	printf(" <failed to parse>\n");
	230	goto broken_combination;
	231	}
	232
	233	nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], rem_limit) {
	234	bool ift_comma = false;
	235
	236	err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
	237	nl_limit, iface_limit_policy);
	238	if (err \|\| !tb_limit[NL80211_IFACE_LIMIT_TYPES]) {
	239	printf("<failed to parse>\n");
	240	goto broken_combination;
	241	}
	242
	243	if (comma)
	244	printf(", ");
	245	comma = true;
	246	printf("#{");
	247
	248	nla_for_each_nested(nl_mode, tb_limit[NL80211_IFACE_LIMIT_TYPES], rem_mode) {
	249	printf("%s %s", ift_comma ? "," : "",
	250	iftype_name(nla_type(nl_mode)));
	251	ift_comma = true;
	252	}
	253	printf(" } <= %u", nla_get_u32(tb_limit[NL80211_IFACE_LIMIT_MAX]));
	254	}
	255	printf(",\n\t\t ");
	256
	257	printf("total <= %d, #channels <= %d%s\n",
	258	nla_get_u32(tb_comb[NL80211_IFACE_COMB_MAXNUM]),
	259	nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]),
	260	tb_comb[NL80211_IFACE_COMB_STA_AP_BI_MATCH] ?
	261	", STA/AP BI must match" : "");
	262	broken_combination:
	263	;
	264	}
f5f6f15f JB	265
	266	if (!have_combinations)
	267	printf("\tinterface combinations are not supported\n");
1c5b4a82 JB	268	}
1c5b4a82 JB	269
9a4a14bd JB	270	if (tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS]) {
	271	printf("\tSupported commands:\n");
	272	nla_for_each_nested(nl_cmd, tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS], rem_cmd)
	273	printf("\t\t * %s\n", command_name(nla_get_u32(nl_cmd)));
	274	}
6367e71a	275
9a4a14bd JB	276	if (tb_msg[NL80211_ATTR_TX_FRAME_TYPES]) {
	277	printf("\tSupported TX frame types:\n");
	278	nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_TX_FRAME_TYPES], rem_if) {
	279	bool printed = false;
	280	nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
	281	if (!printed)
	282	printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
	283	printed = true;
	284	printf(" 0x%.4x", nla_get_u16(nl_ftype));
	285	}
	286	if (printed)
	287	printf("\n");
	288	}
	289	}
9990c1e9	290
9a4a14bd JB	291	if (tb_msg[NL80211_ATTR_RX_FRAME_TYPES]) {
	292	printf("\tSupported RX frame types:\n");
	293	nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_RX_FRAME_TYPES], rem_if) {
	294	bool printed = false;
	295	nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
	296	if (!printed)
	297	printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
	298	printed = true;
	299	printf(" 0x%.4x", nla_get_u16(nl_ftype));
	300	}
	301	if (printed)
	302	printf("\n");
	303	}
	304	}
9990c1e9	305
3ff24563	306	if (tb_msg[NL80211_ATTR_SUPPORT_IBSS_RSN])
83f10169	307	printf("\tDevice supports RSN-IBSS.\n");
3ff24563 JB	308
	309	if (tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]) {
	310	struct nlattr *tb_wowlan[NUM_NL80211_WOWLAN_TRIG];
	311	static struct nla_policy wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
	312	[NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
	313	[NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
	314	[NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
	315	[NL80211_WOWLAN_TRIG_PKT_PATTERN] = {
	316	.minlen = sizeof(struct nl80211_wowlan_pattern_support),
	317	},
	318	};
	319	struct nl80211_wowlan_pattern_support *pat;
	320	int err;
	321
	322	err = nla_parse_nested(tb_wowlan, MAX_NL80211_WOWLAN_TRIG,
	323	tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED],
	324	wowlan_policy);
	325	printf("\tWoWLAN support:");
	326	if (err) {
	327	printf(" <failed to parse>\n");
	328	} else {
	329	printf("\n");
	330	if (tb_wowlan[NL80211_WOWLAN_TRIG_ANY])
	331	printf("\t\t * any (device continues operating)\n");
	332	if (tb_wowlan[NL80211_WOWLAN_TRIG_DISCONNECT])
	333	printf("\t\t * disconnect\n");
	334	if (tb_wowlan[NL80211_WOWLAN_TRIG_MAGIC_PKT])
	335	printf("\t\t * magic packet\n");
	336	if (tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
	337	pat = nla_data(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]);
	338	printf("\t\t * up to %u patterns of %u-%u bytes\n",
	339	pat->max_patterns, pat->min_pattern_len, pat->max_pattern_len);
	340	}
	341	}
83f10169 JB	342	}
83f10169 JB	343
79f99b9a JB	344	return NL_SKIP;
	345	}
	346
7c37a24d JB	347	static int handle_info(struct nl80211_state *state,
7c37a24d JB	348	struct nl_cb *cb,
d631650b JB	349	struct nl_msg *msg,
d631650b JB	350	int argc, char **argv)
79f99b9a	351	{
79f99b9a	352	nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_phy_handler, NULL);
79f99b9a	353
70391ccf	354	return 0;
79f99b9a	355	}
4698bfc2	356	__COMMAND(NULL, info, "info", NULL, NL80211_CMD_GET_WIPHY, 0, 0, CIB_PHY, handle_info,
1633ddf7	357	"Show capabilities for the specified wireless device.", NULL);
ea35fc0b JB	358	TOPLEVEL(list, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info,
ea35fc0b JB	359	"List all wireless devices and their capabilities.");
01ae06f9	360	TOPLEVEL(phy, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info, NULL);