[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 char *cipher_name(__u32 c)
{
	static char buf[20];

	switch (c) {
	case 0x000fac01:
		return "WEP40 (00-0f-ac:1)";
	case 0x000fac05:
		return "WEP104 (00-0f-ac:5)";
	case 0x000fac02:
		return "TKIP (00-0f-ac:2)";
	case 0x000fac04:
		return "CCMP (00-0f-ac:4)";
	case 0x000fac06:
		return "CMAC (00-0f-ac:6)";
	case 0x000fac08:
		return "GCMP (00-0f-ac:8)";
	case 0x00147201:
		return "WPI-SMS4 (00-14-72:1)";
	default:
		sprintf(buf, "%.2x-%.2x-%.2x:%d",
			c >> 24, (c >> 16) & 0xff,
			(c >> 8) & 0xff, c & 0xff);

		return buf;
	}
}

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_CIPHER_SUITES]) {
		int num = nla_len(tb_msg[NL80211_ATTR_CIPHER_SUITES]) / sizeof(__u32);
		int i;
		__u32 *ciphers = nla_data(tb_msg[NL80211_ATTR_CIPHER_SUITES]);
		if (num > 0) {
			printf("\tSupported Ciphers:\n");
			for (i = 0; i < num; i++)
				printf("\t\t* %s\n",
					cipher_name(ciphers[i]));
		}
	}

	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%.2x", 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%.2x", 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),
			},
			[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED] = { .type = NLA_FLAG },
			[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
			[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
			[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
			[NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
		};
		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 * wake up on anything (device continues operating normally)\n");
			if (tb_wowlan[NL80211_WOWLAN_TRIG_DISCONNECT])
				printf("\t\t * wake up on disconnect\n");
			if (tb_wowlan[NL80211_WOWLAN_TRIG_MAGIC_PKT])
				printf("\t\t * wake up on magic packet\n");
			if (tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
				pat = nla_data(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]);
				printf("\t\t * wake up on pattern match, up to %u patterns of %u-%u bytes\n",
					pat->max_patterns, pat->min_pattern_len, pat->max_pattern_len);
			}
			if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
				printf("\t\t * can do GTK rekeying\n");
			if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
				printf("\t\t * wake up on GTK rekey failure\n");
			if (tb_wowlan[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
				printf("\t\t * wake up on EAP identity request\n");
			if (tb_wowlan[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
				printf("\t\t * wake up on 4-way handshake\n");
			if (tb_wowlan[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
				printf("\t\t * wake up on rfkill release\n");
		}
	}

	if (tb_msg[NL80211_ATTR_ROAM_SUPPORT])
		printf("\tDevice supports roaming.\n");

	if (tb_msg[NL80211_ATTR_SUPPORT_AP_UAPSD])
		printf("\tDevice supports AP-side u-APSD.\n");

	if (tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) {
		struct ieee80211_ht_cap *cm;
		printf("\tHT Capability overrides:\n");
		if (nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) >= sizeof(*cm)) {
			cm = nla_data(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]);
			printf("\t\t * MCS: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx"
			       " %02hhx %02hhx %02hhx %02hhx\n",
			       cm->mcs.rx_mask[0], cm->mcs.rx_mask[1],
			       cm->mcs.rx_mask[2], cm->mcs.rx_mask[3],
			       cm->mcs.rx_mask[4], cm->mcs.rx_mask[5],
			       cm->mcs.rx_mask[6], cm->mcs.rx_mask[7],
			       cm->mcs.rx_mask[8], cm->mcs.rx_mask[9]);
			if (cm->cap_info & htole16(IEEE80211_HT_CAP_MAX_AMSDU))
				printf("\t\t * maximum A-MSDU length\n");
			if (cm->cap_info & htole16(IEEE80211_HT_CAP_SUP_WIDTH_20_40))
				printf("\t\t * supported channel width\n");
			if (cm->cap_info & htole16(IEEE80211_HT_CAP_SGI_40))
				printf("\t\t * short GI for 40 MHz\n");
			if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR)
				printf("\t\t * max A-MPDU length exponent\n");
			if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_DENSITY)
				printf("\t\t * min MPDU start spacing\n");
		} else {
			printf("\tERROR: capabilities mask is too short, expected: %d, received: %d\n",
			       (int)(sizeof(*cm)),
			       (int)(nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK])));
		}
	}

	if (tb_msg[NL80211_ATTR_FEATURE_FLAGS]) {
		unsigned int features = nla_get_u32(tb_msg[NL80211_ATTR_FEATURE_FLAGS]);

		if (features & NL80211_FEATURE_SK_TX_STATUS)
			printf("\tDevice supports TX status socket option.\n");
		if (features & NL80211_FEATURE_HT_IBSS)
			printf("\tDevice supports HT-IBSS.\n");
		if (features & NL80211_FEATURE_INACTIVITY_TIMER)
			printf("\tDevice has client inactivity timer.\n");
		if (features & NL80211_FEATURE_CELL_BASE_REG_HINTS)
			printf("\tDevice accepts cell base station regulatory hints.\n");
		if (features & NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL)
			printf("\tP2P Device uses a channel (of the concurrent ones)\n");
		if (features & NL80211_FEATURE_LOW_PRIORITY_SCAN)
			printf("\tDevice supports low priority scan.\n");
		if (features & NL80211_FEATURE_SCAN_FLUSH)
			printf("\tDevice supports scan flush.\n");
	}

	return NL_SKIP;
}

static int handle_info(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_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
810e05c3 JB	24	static char *cipher_name(__u32 c)
	25	{
	26	static char buf[20];
	27
	28	switch (c) {
	29	case 0x000fac01:
	30	return "WEP40 (00-0f-ac:1)";
	31	case 0x000fac05:
	32	return "WEP104 (00-0f-ac:5)";
	33	case 0x000fac02:
	34	return "TKIP (00-0f-ac:2)";
	35	case 0x000fac04:
	36	return "CCMP (00-0f-ac:4)";
	37	case 0x000fac06:
	38	return "CMAC (00-0f-ac:6)";
a8b3da9d VK	39	case 0x000fac08:
a8b3da9d VK	40	return "GCMP (00-0f-ac:8)";
810e05c3 JB	41	case 0x00147201:
	42	return "WPI-SMS4 (00-14-72:1)";
	43	default:
	44	sprintf(buf, "%.2x-%.2x-%.2x:%d",
	45	c >> 24, (c >> 16) & 0xff,
	46	(c >> 8) & 0xff, c & 0xff);
	47
	48	return buf;
	49	}
	50	}
	51
79f99b9a JB	52	static int print_phy_handler(struct nl_msg msg, void arg)
	53	{
	54	struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
	55	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
	56
	57	struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
	58
	59	struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
	60	static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
	61	[NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
	62	[NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
	63	[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
	64	[NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
	65	[NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
c1081c20	66	[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
79f99b9a JB	67	};
	68
	69	struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
	70	static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
	71	[NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
	72	[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = { .type = NLA_FLAG },
	73	};
	74
	75	struct nlattr *nl_band;
	76	struct nlattr *nl_freq;
	77	struct nlattr *nl_rate;
6367e71a	78	struct nlattr *nl_mode;
9990c1e9	79	struct nlattr *nl_cmd;
9a4a14bd	80	struct nlattr nl_if, nl_ftype;
79f99b9a	81	int bandidx = 1;
9a4a14bd	82	int rem_band, rem_freq, rem_rate, rem_mode, rem_cmd, rem_ftype, rem_if;
79f99b9a JB	83	int open;
	84
	85	nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
	86	genlmsg_attrlen(gnlh, 0), NULL);
	87
	88	if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
	89	return NL_SKIP;
	90
d631650b JB	91	if (tb_msg[NL80211_ATTR_WIPHY_NAME])
	92	printf("Wiphy %s\n", nla_get_string(tb_msg[NL80211_ATTR_WIPHY_NAME]));
	93
79f99b9a	94	nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) {
d631650b	95	printf("\tBand %d:\n", bandidx);
79f99b9a JB	96	bandidx++;
	97
	98	nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
	99	nla_len(nl_band), NULL);
	100
3dd781cc JB	101	#ifdef NL80211_BAND_ATTR_HT_CAPA
3dd781cc JB	102	if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) {
357c1a5d LR	103	__u16 cap = nla_get_u16(tb_band[NL80211_BAND_ATTR_HT_CAPA]);
357c1a5d LR	104	print_ht_capability(cap);
3dd781cc JB	105	}
3dd781cc JB	106	if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) {
0950993f LR	107	__u8 exponent = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]);
0950993f LR	108	print_ampdu_length(exponent);
3dd781cc JB	109	}
3dd781cc JB	110	if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) {
0950993f LR	111	__u8 spacing = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]);
0950993f LR	112	print_ampdu_spacing(spacing);
3dd781cc JB	113	}
3dd781cc JB	114	if (tb_band[NL80211_BAND_ATTR_HT_MCS_SET] &&
7ddfb679 JB	115	nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]) == 16)
7ddfb679 JB	116	print_ht_mcs(nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]));
3dd781cc JB	117	#endif
3dd781cc JB	118
d631650b	119	printf("\t\tFrequencies:\n");
79f99b9a JB	120
79f99b9a JB	121	nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
379f8397	122	uint32_t freq;
79f99b9a JB	123	nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
	124	nla_len(nl_freq), freq_policy);
	125	if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
	126	continue;
379f8397 JB	127	freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
379f8397 JB	128	printf("\t\t\t* %d MHz [%d]", freq, ieee80211_frequency_to_channel(freq));
c1081c20	129
d102c0b6 JB	130	if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
	131	!tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
	132	printf(" (%.1f dBm)", 0.01 * nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]));
c1081c20	133
79f99b9a	134	open = 0;
ee9cd987	135	if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) {
79f99b9a	136	print_flag("disabled", &open);
ee9cd987 JB	137	goto next;
ee9cd987 JB	138	}
79f99b9a JB	139	if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
	140	print_flag("passive scanning", &open);
	141	if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
	142	print_flag("no IBSS", &open);
	143	if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
	144	print_flag("radar detection", &open);
ee9cd987	145	next:
79f99b9a JB	146	if (open)
	147	printf(")");
	148	printf("\n");
	149	}
	150
75dddccc	151	printf("\t\tBitrates (non-HT):\n");
79f99b9a JB	152
	153	nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
	154	nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
	155	nla_len(nl_rate), rate_policy);
	156	if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
	157	continue;
d631650b	158	printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate[NL80211_BITRATE_ATTR_RATE]));
79f99b9a JB	159	open = 0;
	160	if (tb_rate[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE])
	161	print_flag("short preamble supported", &open);
	162	if (open)
	163	printf(")");
	164	printf("\n");
	165	}
	166	}
	167
41be37f2 JB	168	if (tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
	169	printf("\tmax # scan SSIDs: %d\n",
	170	nla_get_u8(tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]));
f9c112b6 JB	171	if (tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN])
f9c112b6 JB	172	printf("\tmax scan IEs length: %d bytes\n",
8eaa9ee5	173	nla_get_u16(tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN]));
41be37f2	174
625aa4ae JB	175	if (tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
	176	unsigned int frag;
	177
	178	frag = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
	179	if (frag != (unsigned int)-1)
	180	printf("\tFragmentation threshold: %d\n", frag);
	181	}
	182
	183	if (tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
	184	unsigned int rts;
	185
	186	rts = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
	187	if (rts != (unsigned int)-1)
	188	printf("\tRTS threshold: %d\n", rts);
	189	}
	190
b2f92dd0 LT	191	if (tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
	192	unsigned char coverage;
	193
	194	coverage = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
	195	/* See handle_distance() for an explanation where the '450' comes from */
	196	printf("\tCoverage class: %d (up to %dm)\n", coverage, 450 * coverage);
	197	}
	198
810e05c3 JB	199	if (tb_msg[NL80211_ATTR_CIPHER_SUITES]) {
	200	int num = nla_len(tb_msg[NL80211_ATTR_CIPHER_SUITES]) / sizeof(__u32);
	201	int i;
	202	__u32 *ciphers = nla_data(tb_msg[NL80211_ATTR_CIPHER_SUITES]);
	203	if (num > 0) {
	204	printf("\tSupported Ciphers:\n");
	205	for (i = 0; i < num; i++)
	206	printf("\t\t* %s\n",
	207	cipher_name(ciphers[i]));
	208	}
	209	}
	210
afce7986 BR	211	if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX] &&
	212	tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX])
	213	printf("\tAvailable Antennas: TX %#x RX %#x\n",
	214	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX]),
	215	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX]));
	216
	217	if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
	218	tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX])
	219	printf("\tConfigured Antennas: TX %#x RX %#x\n",
	220	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX]),
	221	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX]));
	222
9a4a14bd JB	223	if (tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES]) {
	224	printf("\tSupported interface modes:\n");
	225	nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES], rem_mode)
8ef6df4f	226	printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
9a4a14bd	227	}
6367e71a	228
1c5b4a82 JB	229	if (tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES]) {
	230	printf("\tsoftware interface modes (can always be added):\n");
	231	nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES], rem_mode)
	232	printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
	233	}
	234
	235	if (tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS]) {
	236	struct nlattr *nl_combi;
	237	int rem_combi;
f5f6f15f	238	bool have_combinations = false;
1c5b4a82 JB	239
	240	nla_for_each_nested(nl_combi, tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS], rem_combi) {
	241	static struct nla_policy iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
	242	[NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
	243	[NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
	244	[NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
	245	[NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
	246	};
	247	struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
	248	static struct nla_policy iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
	249	[NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
	250	[NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
	251	};
	252	struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
	253	struct nlattr *nl_limit;
	254	int err, rem_limit;
	255	bool comma = false;
	256
f5f6f15f JB	257	if (!have_combinations) {
	258	printf("\tvalid interface combinations:\n");
	259	have_combinations = true;
	260	}
	261
1c5b4a82 JB	262	printf("\t\t * ");
	263
	264	err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
	265	nl_combi, iface_combination_policy);
	266	if (err \|\| !tb_comb[NL80211_IFACE_COMB_LIMITS] \|\|
	267	!tb_comb[NL80211_IFACE_COMB_MAXNUM] \|\|
	268	!tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) {
	269	printf(" <failed to parse>\n");
	270	goto broken_combination;
	271	}
	272
	273	nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], rem_limit) {
	274	bool ift_comma = false;
	275
	276	err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
	277	nl_limit, iface_limit_policy);
	278	if (err \|\| !tb_limit[NL80211_IFACE_LIMIT_TYPES]) {
	279	printf("<failed to parse>\n");
	280	goto broken_combination;
	281	}
	282
	283	if (comma)
	284	printf(", ");
	285	comma = true;
	286	printf("#{");
	287
	288	nla_for_each_nested(nl_mode, tb_limit[NL80211_IFACE_LIMIT_TYPES], rem_mode) {
	289	printf("%s %s", ift_comma ? "," : "",
	290	iftype_name(nla_type(nl_mode)));
	291	ift_comma = true;
	292	}
	293	printf(" } <= %u", nla_get_u32(tb_limit[NL80211_IFACE_LIMIT_MAX]));
	294	}
	295	printf(",\n\t\t ");
	296
	297	printf("total <= %d, #channels <= %d%s\n",
	298	nla_get_u32(tb_comb[NL80211_IFACE_COMB_MAXNUM]),
	299	nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]),
	300	tb_comb[NL80211_IFACE_COMB_STA_AP_BI_MATCH] ?
	301	", STA/AP BI must match" : "");
	302	broken_combination:
	303	;
	304	}
f5f6f15f JB	305
	306	if (!have_combinations)
	307	printf("\tinterface combinations are not supported\n");
1c5b4a82 JB	308	}
1c5b4a82 JB	309
9a4a14bd JB	310	if (tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS]) {
	311	printf("\tSupported commands:\n");
	312	nla_for_each_nested(nl_cmd, tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS], rem_cmd)
	313	printf("\t\t * %s\n", command_name(nla_get_u32(nl_cmd)));
	314	}
6367e71a	315
9a4a14bd JB	316	if (tb_msg[NL80211_ATTR_TX_FRAME_TYPES]) {
	317	printf("\tSupported TX frame types:\n");
	318	nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_TX_FRAME_TYPES], rem_if) {
	319	bool printed = false;
	320	nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
	321	if (!printed)
	322	printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
	323	printed = true;
58e34341	324	printf(" 0x%.2x", nla_get_u16(nl_ftype));
9a4a14bd JB	325	}
	326	if (printed)
	327	printf("\n");
	328	}
	329	}
9990c1e9	330
9a4a14bd JB	331	if (tb_msg[NL80211_ATTR_RX_FRAME_TYPES]) {
	332	printf("\tSupported RX frame types:\n");
	333	nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_RX_FRAME_TYPES], rem_if) {
	334	bool printed = false;
	335	nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
	336	if (!printed)
	337	printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
	338	printed = true;
58e34341	339	printf(" 0x%.2x", nla_get_u16(nl_ftype));
9a4a14bd JB	340	}
	341	if (printed)
	342	printf("\n");
	343	}
	344	}
9990c1e9	345
3ff24563	346	if (tb_msg[NL80211_ATTR_SUPPORT_IBSS_RSN])
83f10169	347	printf("\tDevice supports RSN-IBSS.\n");
3ff24563 JB	348
	349	if (tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]) {
	350	struct nlattr *tb_wowlan[NUM_NL80211_WOWLAN_TRIG];
	351	static struct nla_policy wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
	352	[NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
	353	[NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
	354	[NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
	355	[NL80211_WOWLAN_TRIG_PKT_PATTERN] = {
	356	.minlen = sizeof(struct nl80211_wowlan_pattern_support),
	357	},
3a6636b1 JB	358	[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED] = { .type = NLA_FLAG },
	359	[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
	360	[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
	361	[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
	362	[NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
3ff24563 JB	363	};
	364	struct nl80211_wowlan_pattern_support *pat;
	365	int err;
	366
	367	err = nla_parse_nested(tb_wowlan, MAX_NL80211_WOWLAN_TRIG,
	368	tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED],
	369	wowlan_policy);
	370	printf("\tWoWLAN support:");
	371	if (err) {
	372	printf(" <failed to parse>\n");
	373	} else {
	374	printf("\n");
	375	if (tb_wowlan[NL80211_WOWLAN_TRIG_ANY])
3a6636b1	376	printf("\t\t * wake up on anything (device continues operating normally)\n");
3ff24563	377	if (tb_wowlan[NL80211_WOWLAN_TRIG_DISCONNECT])
3a6636b1	378	printf("\t\t * wake up on disconnect\n");
3ff24563	379	if (tb_wowlan[NL80211_WOWLAN_TRIG_MAGIC_PKT])
3a6636b1	380	printf("\t\t * wake up on magic packet\n");
3ff24563 JB	381	if (tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
3ff24563 JB	382	pat = nla_data(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]);
3a6636b1	383	printf("\t\t * wake up on pattern match, up to %u patterns of %u-%u bytes\n",
3ff24563 JB	384	pat->max_patterns, pat->min_pattern_len, pat->max_pattern_len);
3ff24563 JB	385	}
3a6636b1 JB	386	if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
	387	printf("\t\t * can do GTK rekeying\n");
	388	if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
	389	printf("\t\t * wake up on GTK rekey failure\n");
	390	if (tb_wowlan[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
	391	printf("\t\t * wake up on EAP identity request\n");
	392	if (tb_wowlan[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
	393	printf("\t\t * wake up on 4-way handshake\n");
	394	if (tb_wowlan[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
	395	printf("\t\t * wake up on rfkill release\n");
3ff24563	396	}
83f10169 JB	397	}
83f10169 JB	398
2e4f65ca JB	399	if (tb_msg[NL80211_ATTR_ROAM_SUPPORT])
	400	printf("\tDevice supports roaming.\n");
	401
8b469995 JB	402	if (tb_msg[NL80211_ATTR_SUPPORT_AP_UAPSD])
	403	printf("\tDevice supports AP-side u-APSD.\n");
	404
a82abc2c BG	405	if (tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) {
	406	struct ieee80211_ht_cap *cm;
	407	printf("\tHT Capability overrides:\n");
	408	if (nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) >= sizeof(*cm)) {
	409	cm = nla_data(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]);
	410	printf("\t\t * MCS: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx"
	411	" %02hhx %02hhx %02hhx %02hhx\n",
	412	cm->mcs.rx_mask[0], cm->mcs.rx_mask[1],
	413	cm->mcs.rx_mask[2], cm->mcs.rx_mask[3],
	414	cm->mcs.rx_mask[4], cm->mcs.rx_mask[5],
	415	cm->mcs.rx_mask[6], cm->mcs.rx_mask[7],
	416	cm->mcs.rx_mask[8], cm->mcs.rx_mask[9]);
	417	if (cm->cap_info & htole16(IEEE80211_HT_CAP_MAX_AMSDU))
	418	printf("\t\t * maximum A-MSDU length\n");
	419	if (cm->cap_info & htole16(IEEE80211_HT_CAP_SUP_WIDTH_20_40))
	420	printf("\t\t * supported channel width\n");
	421	if (cm->cap_info & htole16(IEEE80211_HT_CAP_SGI_40))
	422	printf("\t\t * short GI for 40 MHz\n");
	423	if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR)
	424	printf("\t\t * max A-MPDU length exponent\n");
	425	if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_DENSITY)
	426	printf("\t\t * min MPDU start spacing\n");
	427	} else {
	428	printf("\tERROR: capabilities mask is too short, expected: %d, received: %d\n",
	429	(int)(sizeof(*cm)),
	430	(int)(nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK])));
	431	}
	432	}
	433
632004a0	434	if (tb_msg[NL80211_ATTR_FEATURE_FLAGS]) {
d28df6b4 JB	435	unsigned int features = nla_get_u32(tb_msg[NL80211_ATTR_FEATURE_FLAGS]);
	436
	437	if (features & NL80211_FEATURE_SK_TX_STATUS)
632004a0	438	printf("\tDevice supports TX status socket option.\n");
d28df6b4	439	if (features & NL80211_FEATURE_HT_IBSS)
632004a0	440	printf("\tDevice supports HT-IBSS.\n");
d28df6b4 JB	441	if (features & NL80211_FEATURE_INACTIVITY_TIMER)
	442	printf("\tDevice has client inactivity timer.\n");
	443	if (features & NL80211_FEATURE_CELL_BASE_REG_HINTS)
	444	printf("\tDevice accepts cell base station regulatory hints.\n");
	445	if (features & NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL)
	446	printf("\tP2P Device uses a channel (of the concurrent ones)\n");
fe862239 SL	447	if (features & NL80211_FEATURE_LOW_PRIORITY_SCAN)
	448	printf("\tDevice supports low priority scan.\n");
	449	if (features & NL80211_FEATURE_SCAN_FLUSH)
	450	printf("\tDevice supports scan flush.\n");
632004a0 JB	451	}
632004a0 JB	452
79f99b9a JB	453	return NL_SKIP;
	454	}
	455
7c37a24d JB	456	static int handle_info(struct nl80211_state *state,
7c37a24d JB	457	struct nl_cb *cb,
d631650b	458	struct nl_msg *msg,
05514f95 JB	459	int argc, char **argv,
05514f95 JB	460	enum id_input id)
79f99b9a	461	{
79f99b9a	462	nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_phy_handler, NULL);
79f99b9a	463
70391ccf	464	return 0;
79f99b9a	465	}
4698bfc2	466	__COMMAND(NULL, info, "info", NULL, NL80211_CMD_GET_WIPHY, 0, 0, CIB_PHY, handle_info,
1633ddf7	467	"Show capabilities for the specified wireless device.", NULL);
ea35fc0b JB	468	TOPLEVEL(list, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info,
ea35fc0b JB	469	"List all wireless devices and their capabilities.");
01ae06f9	470	TOPLEVEL(phy, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info, NULL);