[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);

		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]));
		if (tb_band[NL80211_BAND_ATTR_VHT_CAPA] &&
		    tb_band[NL80211_BAND_ATTR_VHT_MCS_SET])
			print_vht_info(nla_get_u32(tb_band[NL80211_BAND_ATTR_VHT_CAPA]),
				       nla_data(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]));

		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 },
				[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .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",
				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" : "");
			if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]) {
				unsigned long widths = nla_get_u32(tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]);

				if (widths) {
					int width;
					bool first = true;

					printf(", radar detect widths: {");
					for (width = 0; width < 32; width++)
						if (widths & (1 << width)) {
							printf("%s %s",
							       first ? "":",",
							       channel_width_name(width));
							first = false;
						}
					printf(" }\n");
				}
			}
			printf("\n");
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");
		if (features & NL80211_FEATURE_AP_SCAN)
			printf("\tDevice supports AP scan.\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);

static int handle_commands(struct nl80211_state *state,
			   struct nl_cb *cb, struct nl_msg *msg,
			   int argc, char **argv, enum id_input id)
{
	int i;
	for (i = 1; i < NL80211_CMD_MAX; i++)
		printf("%d (0x%x): %s\n", i, i, command_name(i));
	/* don't send netlink messages */
	return 2;
}
TOPLEVEL(commands, NULL, NL80211_CMD_GET_WIPHY, 0, CIB_NONE, handle_commands,
	 "list all known commands and their decimal & hex value");
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	101	if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) {
357c1a5d LR	102	__u16 cap = nla_get_u16(tb_band[NL80211_BAND_ATTR_HT_CAPA]);
357c1a5d LR	103	print_ht_capability(cap);
3dd781cc JB	104	}
3dd781cc JB	105	if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) {
0950993f LR	106	__u8 exponent = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]);
0950993f LR	107	print_ampdu_length(exponent);
3dd781cc JB	108	}
3dd781cc JB	109	if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) {
0950993f LR	110	__u8 spacing = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]);
0950993f LR	111	print_ampdu_spacing(spacing);
3dd781cc JB	112	}
3dd781cc JB	113	if (tb_band[NL80211_BAND_ATTR_HT_MCS_SET] &&
7ddfb679 JB	114	nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]) == 16)
7ddfb679 JB	115	print_ht_mcs(nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]));
54eb1613 JB	116	if (tb_band[NL80211_BAND_ATTR_VHT_CAPA] &&
	117	tb_band[NL80211_BAND_ATTR_VHT_MCS_SET])
	118	print_vht_info(nla_get_u32(tb_band[NL80211_BAND_ATTR_VHT_CAPA]),
	119	nla_data(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]));
3dd781cc	120
d631650b	121	printf("\t\tFrequencies:\n");
79f99b9a JB	122
79f99b9a JB	123	nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
379f8397	124	uint32_t freq;
79f99b9a JB	125	nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
	126	nla_len(nl_freq), freq_policy);
	127	if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
	128	continue;
379f8397 JB	129	freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
379f8397 JB	130	printf("\t\t\t* %d MHz [%d]", freq, ieee80211_frequency_to_channel(freq));
c1081c20	131
d102c0b6 JB	132	if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
	133	!tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
	134	printf(" (%.1f dBm)", 0.01 * nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]));
c1081c20	135
79f99b9a	136	open = 0;
ee9cd987	137	if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) {
79f99b9a	138	print_flag("disabled", &open);
ee9cd987 JB	139	goto next;
ee9cd987 JB	140	}
79f99b9a JB	141	if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
	142	print_flag("passive scanning", &open);
	143	if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
	144	print_flag("no IBSS", &open);
	145	if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
	146	print_flag("radar detection", &open);
ee9cd987	147	next:
79f99b9a JB	148	if (open)
	149	printf(")");
	150	printf("\n");
	151	}
	152
75dddccc	153	printf("\t\tBitrates (non-HT):\n");
79f99b9a JB	154
	155	nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
	156	nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
	157	nla_len(nl_rate), rate_policy);
	158	if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
	159	continue;
d631650b	160	printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate[NL80211_BITRATE_ATTR_RATE]));
79f99b9a JB	161	open = 0;
	162	if (tb_rate[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE])
	163	print_flag("short preamble supported", &open);
	164	if (open)
	165	printf(")");
	166	printf("\n");
	167	}
	168	}
	169
41be37f2 JB	170	if (tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
	171	printf("\tmax # scan SSIDs: %d\n",
	172	nla_get_u8(tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]));
f9c112b6 JB	173	if (tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN])
f9c112b6 JB	174	printf("\tmax scan IEs length: %d bytes\n",
8eaa9ee5	175	nla_get_u16(tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN]));
41be37f2	176
625aa4ae JB	177	if (tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
	178	unsigned int frag;
	179
	180	frag = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
	181	if (frag != (unsigned int)-1)
	182	printf("\tFragmentation threshold: %d\n", frag);
	183	}
	184
	185	if (tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
	186	unsigned int rts;
	187
	188	rts = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
	189	if (rts != (unsigned int)-1)
	190	printf("\tRTS threshold: %d\n", rts);
	191	}
	192
b2f92dd0 LT	193	if (tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
	194	unsigned char coverage;
	195
	196	coverage = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
	197	/* See handle_distance() for an explanation where the '450' comes from */
	198	printf("\tCoverage class: %d (up to %dm)\n", coverage, 450 * coverage);
	199	}
	200
810e05c3 JB	201	if (tb_msg[NL80211_ATTR_CIPHER_SUITES]) {
	202	int num = nla_len(tb_msg[NL80211_ATTR_CIPHER_SUITES]) / sizeof(__u32);
	203	int i;
	204	__u32 *ciphers = nla_data(tb_msg[NL80211_ATTR_CIPHER_SUITES]);
	205	if (num > 0) {
	206	printf("\tSupported Ciphers:\n");
	207	for (i = 0; i < num; i++)
	208	printf("\t\t* %s\n",
	209	cipher_name(ciphers[i]));
	210	}
	211	}
	212
afce7986 BR	213	if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX] &&
	214	tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX])
	215	printf("\tAvailable Antennas: TX %#x RX %#x\n",
	216	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX]),
	217	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX]));
	218
	219	if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
	220	tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX])
	221	printf("\tConfigured Antennas: TX %#x RX %#x\n",
	222	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX]),
	223	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX]));
	224
9a4a14bd JB	225	if (tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES]) {
	226	printf("\tSupported interface modes:\n");
	227	nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES], rem_mode)
8ef6df4f	228	printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
9a4a14bd	229	}
6367e71a	230
1c5b4a82 JB	231	if (tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES]) {
	232	printf("\tsoftware interface modes (can always be added):\n");
	233	nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES], rem_mode)
	234	printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
	235	}
	236
	237	if (tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS]) {
	238	struct nlattr *nl_combi;
	239	int rem_combi;
f5f6f15f	240	bool have_combinations = false;
1c5b4a82 JB	241
	242	nla_for_each_nested(nl_combi, tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS], rem_combi) {
	243	static struct nla_policy iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
	244	[NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
	245	[NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
	246	[NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
	247	[NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
c5df9eb6	248	[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
1c5b4a82 JB	249	};
	250	struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
	251	static struct nla_policy iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
	252	[NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
	253	[NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
	254	};
	255	struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
	256	struct nlattr *nl_limit;
	257	int err, rem_limit;
	258	bool comma = false;
	259
f5f6f15f JB	260	if (!have_combinations) {
	261	printf("\tvalid interface combinations:\n");
	262	have_combinations = true;
	263	}
	264
1c5b4a82 JB	265	printf("\t\t * ");
	266
	267	err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
	268	nl_combi, iface_combination_policy);
	269	if (err \|\| !tb_comb[NL80211_IFACE_COMB_LIMITS] \|\|
	270	!tb_comb[NL80211_IFACE_COMB_MAXNUM] \|\|
	271	!tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) {
	272	printf(" <failed to parse>\n");
	273	goto broken_combination;
	274	}
	275
	276	nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], rem_limit) {
	277	bool ift_comma = false;
	278
	279	err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
	280	nl_limit, iface_limit_policy);
	281	if (err \|\| !tb_limit[NL80211_IFACE_LIMIT_TYPES]) {
	282	printf("<failed to parse>\n");
	283	goto broken_combination;
	284	}
	285
	286	if (comma)
	287	printf(", ");
	288	comma = true;
	289	printf("#{");
	290
	291	nla_for_each_nested(nl_mode, tb_limit[NL80211_IFACE_LIMIT_TYPES], rem_mode) {
	292	printf("%s %s", ift_comma ? "," : "",
	293	iftype_name(nla_type(nl_mode)));
	294	ift_comma = true;
	295	}
	296	printf(" } <= %u", nla_get_u32(tb_limit[NL80211_IFACE_LIMIT_MAX]));
	297	}
	298	printf(",\n\t\t ");
	299
c5df9eb6	300	printf("total <= %d, #channels <= %d%s",
1c5b4a82 JB	301	nla_get_u32(tb_comb[NL80211_IFACE_COMB_MAXNUM]),
	302	nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]),
	303	tb_comb[NL80211_IFACE_COMB_STA_AP_BI_MATCH] ?
	304	", STA/AP BI must match" : "");
c5df9eb6 SW	305	if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]) {
	306	unsigned long widths = nla_get_u32(tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]);
	307
	308	if (widths) {
	309	int width;
	310	bool first = true;
	311
	312	printf(", radar detect widths: {");
	313	for (width = 0; width < 32; width++)
	314	if (widths & (1 << width)) {
	315	printf("%s %s",
	316	first ? "":",",
	317	channel_width_name(width));
	318	first = false;
	319	}
	320	printf(" }\n");
	321	}
	322	}
	323	printf("\n");
1c5b4a82 JB	324	broken_combination:
	325	;
	326	}
f5f6f15f JB	327
	328	if (!have_combinations)
	329	printf("\tinterface combinations are not supported\n");
1c5b4a82 JB	330	}
1c5b4a82 JB	331
9a4a14bd JB	332	if (tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS]) {
	333	printf("\tSupported commands:\n");
	334	nla_for_each_nested(nl_cmd, tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS], rem_cmd)
	335	printf("\t\t * %s\n", command_name(nla_get_u32(nl_cmd)));
	336	}
6367e71a	337
9a4a14bd JB	338	if (tb_msg[NL80211_ATTR_TX_FRAME_TYPES]) {
	339	printf("\tSupported TX frame types:\n");
	340	nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_TX_FRAME_TYPES], rem_if) {
	341	bool printed = false;
	342	nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
	343	if (!printed)
	344	printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
	345	printed = true;
58e34341	346	printf(" 0x%.2x", nla_get_u16(nl_ftype));
9a4a14bd JB	347	}
	348	if (printed)
	349	printf("\n");
	350	}
	351	}
9990c1e9	352
9a4a14bd JB	353	if (tb_msg[NL80211_ATTR_RX_FRAME_TYPES]) {
	354	printf("\tSupported RX frame types:\n");
	355	nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_RX_FRAME_TYPES], rem_if) {
	356	bool printed = false;
	357	nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
	358	if (!printed)
	359	printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
	360	printed = true;
58e34341	361	printf(" 0x%.2x", nla_get_u16(nl_ftype));
9a4a14bd JB	362	}
	363	if (printed)
	364	printf("\n");
	365	}
	366	}
9990c1e9	367
3ff24563	368	if (tb_msg[NL80211_ATTR_SUPPORT_IBSS_RSN])
83f10169	369	printf("\tDevice supports RSN-IBSS.\n");
3ff24563 JB	370
	371	if (tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]) {
	372	struct nlattr *tb_wowlan[NUM_NL80211_WOWLAN_TRIG];
	373	static struct nla_policy wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
	374	[NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
	375	[NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
	376	[NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
	377	[NL80211_WOWLAN_TRIG_PKT_PATTERN] = {
	378	.minlen = sizeof(struct nl80211_wowlan_pattern_support),
	379	},
3a6636b1 JB	380	[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED] = { .type = NLA_FLAG },
	381	[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
	382	[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
	383	[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
	384	[NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
3ff24563 JB	385	};
	386	struct nl80211_wowlan_pattern_support *pat;
	387	int err;
	388
	389	err = nla_parse_nested(tb_wowlan, MAX_NL80211_WOWLAN_TRIG,
	390	tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED],
	391	wowlan_policy);
	392	printf("\tWoWLAN support:");
	393	if (err) {
	394	printf(" <failed to parse>\n");
	395	} else {
	396	printf("\n");
	397	if (tb_wowlan[NL80211_WOWLAN_TRIG_ANY])
3a6636b1	398	printf("\t\t * wake up on anything (device continues operating normally)\n");
3ff24563	399	if (tb_wowlan[NL80211_WOWLAN_TRIG_DISCONNECT])
3a6636b1	400	printf("\t\t * wake up on disconnect\n");
3ff24563	401	if (tb_wowlan[NL80211_WOWLAN_TRIG_MAGIC_PKT])
3a6636b1	402	printf("\t\t * wake up on magic packet\n");
3ff24563 JB	403	if (tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
3ff24563 JB	404	pat = nla_data(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]);
3a6636b1	405	printf("\t\t * wake up on pattern match, up to %u patterns of %u-%u bytes\n",
3ff24563 JB	406	pat->max_patterns, pat->min_pattern_len, pat->max_pattern_len);
3ff24563 JB	407	}
3a6636b1 JB	408	if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
	409	printf("\t\t * can do GTK rekeying\n");
	410	if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
	411	printf("\t\t * wake up on GTK rekey failure\n");
	412	if (tb_wowlan[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
	413	printf("\t\t * wake up on EAP identity request\n");
	414	if (tb_wowlan[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
	415	printf("\t\t * wake up on 4-way handshake\n");
	416	if (tb_wowlan[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
	417	printf("\t\t * wake up on rfkill release\n");
3ff24563	418	}
83f10169 JB	419	}
83f10169 JB	420
2e4f65ca JB	421	if (tb_msg[NL80211_ATTR_ROAM_SUPPORT])
	422	printf("\tDevice supports roaming.\n");
	423
8b469995 JB	424	if (tb_msg[NL80211_ATTR_SUPPORT_AP_UAPSD])
	425	printf("\tDevice supports AP-side u-APSD.\n");
	426
a82abc2c BG	427	if (tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) {
	428	struct ieee80211_ht_cap *cm;
	429	printf("\tHT Capability overrides:\n");
	430	if (nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) >= sizeof(*cm)) {
	431	cm = nla_data(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]);
	432	printf("\t\t * MCS: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx"
	433	" %02hhx %02hhx %02hhx %02hhx\n",
	434	cm->mcs.rx_mask[0], cm->mcs.rx_mask[1],
	435	cm->mcs.rx_mask[2], cm->mcs.rx_mask[3],
	436	cm->mcs.rx_mask[4], cm->mcs.rx_mask[5],
	437	cm->mcs.rx_mask[6], cm->mcs.rx_mask[7],
	438	cm->mcs.rx_mask[8], cm->mcs.rx_mask[9]);
	439	if (cm->cap_info & htole16(IEEE80211_HT_CAP_MAX_AMSDU))
	440	printf("\t\t * maximum A-MSDU length\n");
	441	if (cm->cap_info & htole16(IEEE80211_HT_CAP_SUP_WIDTH_20_40))
	442	printf("\t\t * supported channel width\n");
	443	if (cm->cap_info & htole16(IEEE80211_HT_CAP_SGI_40))
	444	printf("\t\t * short GI for 40 MHz\n");
	445	if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR)
	446	printf("\t\t * max A-MPDU length exponent\n");
	447	if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_DENSITY)
	448	printf("\t\t * min MPDU start spacing\n");
	449	} else {
	450	printf("\tERROR: capabilities mask is too short, expected: %d, received: %d\n",
	451	(int)(sizeof(*cm)),
	452	(int)(nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK])));
	453	}
	454	}
	455
632004a0	456	if (tb_msg[NL80211_ATTR_FEATURE_FLAGS]) {
d28df6b4 JB	457	unsigned int features = nla_get_u32(tb_msg[NL80211_ATTR_FEATURE_FLAGS]);
	458
	459	if (features & NL80211_FEATURE_SK_TX_STATUS)
632004a0	460	printf("\tDevice supports TX status socket option.\n");
d28df6b4	461	if (features & NL80211_FEATURE_HT_IBSS)
632004a0	462	printf("\tDevice supports HT-IBSS.\n");
d28df6b4 JB	463	if (features & NL80211_FEATURE_INACTIVITY_TIMER)
	464	printf("\tDevice has client inactivity timer.\n");
	465	if (features & NL80211_FEATURE_CELL_BASE_REG_HINTS)
	466	printf("\tDevice accepts cell base station regulatory hints.\n");
	467	if (features & NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL)
	468	printf("\tP2P Device uses a channel (of the concurrent ones)\n");
fe862239 SL	469	if (features & NL80211_FEATURE_LOW_PRIORITY_SCAN)
	470	printf("\tDevice supports low priority scan.\n");
	471	if (features & NL80211_FEATURE_SCAN_FLUSH)
	472	printf("\tDevice supports scan flush.\n");
afa2be2f AQ	473	if (features & NL80211_FEATURE_AP_SCAN)
afa2be2f AQ	474	printf("\tDevice supports AP scan.\n");
632004a0 JB	475	}
632004a0 JB	476
79f99b9a JB	477	return NL_SKIP;
	478	}
	479
7c37a24d JB	480	static int handle_info(struct nl80211_state *state,
7c37a24d JB	481	struct nl_cb *cb,
d631650b	482	struct nl_msg *msg,
05514f95 JB	483	int argc, char **argv,
05514f95 JB	484	enum id_input id)
79f99b9a	485	{
79f99b9a	486	nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_phy_handler, NULL);
79f99b9a	487
70391ccf	488	return 0;
79f99b9a	489	}
4698bfc2	490	__COMMAND(NULL, info, "info", NULL, NL80211_CMD_GET_WIPHY, 0, 0, CIB_PHY, handle_info,
1633ddf7	491	"Show capabilities for the specified wireless device.", NULL);
ea35fc0b JB	492	TOPLEVEL(list, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info,
ea35fc0b JB	493	"List all wireless devices and their capabilities.");
01ae06f9	494	TOPLEVEL(phy, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info, NULL);
bcdff0b2 JB	495
	496	static int handle_commands(struct nl80211_state *state,
	497	struct nl_cb cb, struct nl_msg msg,
	498	int argc, char **argv, enum id_input id)
	499	{
	500	int i;
	501	for (i = 1; i < NL80211_CMD_MAX; i++)
	502	printf("%d (0x%x): %s\n", i, i, command_name(i));
	503	/* don't send netlink messages */
	504	return 2;
	505	}
	506	TOPLEVEL(commands, NULL, NL80211_CMD_GET_WIPHY, 0, CIB_NONE, handle_commands,
	507	"list all known commands and their decimal & hex value");