[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 char *dfs_state_name(enum nl80211_dfs_state state)
{
	switch (state) {
	case NL80211_DFS_USABLE:
		return "usable";
	case NL80211_DFS_AVAILABLE:
		return "available";
	case NL80211_DFS_UNAVAILABLE:
		return "unavailable";
	default:
		return "unknown";
	}
}

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");

			if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
				enum nl80211_dfs_state state = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
				unsigned long time;

				printf("\t\t\t  DFS state: %s", dfs_state_name(state));
				if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]) {
					time = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]);
					printf(" (for %lu sec)", time/1000);
				}
				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
48aaf2d9 SW	52	static char *dfs_state_name(enum nl80211_dfs_state state)
	53	{
	54	switch (state) {
	55	case NL80211_DFS_USABLE:
	56	return "usable";
	57	case NL80211_DFS_AVAILABLE:
	58	return "available";
	59	case NL80211_DFS_UNAVAILABLE:
	60	return "unavailable";
	61	default:
	62	return "unknown";
	63	}
	64	}
	65
79f99b9a JB	66	static int print_phy_handler(struct nl_msg msg, void arg)
	67	{
	68	struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
	69	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
	70
	71	struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
	72
	73	struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
	74	static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
	75	[NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
	76	[NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
	77	[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
	78	[NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
	79	[NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
c1081c20	80	[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
79f99b9a JB	81	};
	82
	83	struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
	84	static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
	85	[NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
	86	[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = { .type = NLA_FLAG },
	87	};
	88
	89	struct nlattr *nl_band;
	90	struct nlattr *nl_freq;
	91	struct nlattr *nl_rate;
6367e71a	92	struct nlattr *nl_mode;
9990c1e9	93	struct nlattr *nl_cmd;
9a4a14bd	94	struct nlattr nl_if, nl_ftype;
79f99b9a	95	int bandidx = 1;
9a4a14bd	96	int rem_band, rem_freq, rem_rate, rem_mode, rem_cmd, rem_ftype, rem_if;
79f99b9a JB	97	int open;
	98
	99	nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
	100	genlmsg_attrlen(gnlh, 0), NULL);
	101
	102	if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
	103	return NL_SKIP;
	104
d631650b JB	105	if (tb_msg[NL80211_ATTR_WIPHY_NAME])
	106	printf("Wiphy %s\n", nla_get_string(tb_msg[NL80211_ATTR_WIPHY_NAME]));
	107
79f99b9a	108	nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) {
d631650b	109	printf("\tBand %d:\n", bandidx);
79f99b9a JB	110	bandidx++;
	111
	112	nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
	113	nla_len(nl_band), NULL);
	114
3dd781cc	115	if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) {
357c1a5d LR	116	__u16 cap = nla_get_u16(tb_band[NL80211_BAND_ATTR_HT_CAPA]);
357c1a5d LR	117	print_ht_capability(cap);
3dd781cc JB	118	}
3dd781cc JB	119	if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) {
0950993f LR	120	__u8 exponent = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]);
0950993f LR	121	print_ampdu_length(exponent);
3dd781cc JB	122	}
3dd781cc JB	123	if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) {
0950993f LR	124	__u8 spacing = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]);
0950993f LR	125	print_ampdu_spacing(spacing);
3dd781cc JB	126	}
3dd781cc JB	127	if (tb_band[NL80211_BAND_ATTR_HT_MCS_SET] &&
7ddfb679 JB	128	nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]) == 16)
7ddfb679 JB	129	print_ht_mcs(nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]));
54eb1613 JB	130	if (tb_band[NL80211_BAND_ATTR_VHT_CAPA] &&
	131	tb_band[NL80211_BAND_ATTR_VHT_MCS_SET])
	132	print_vht_info(nla_get_u32(tb_band[NL80211_BAND_ATTR_VHT_CAPA]),
	133	nla_data(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]));
3dd781cc	134
d631650b	135	printf("\t\tFrequencies:\n");
79f99b9a JB	136
79f99b9a JB	137	nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
379f8397	138	uint32_t freq;
79f99b9a JB	139	nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
	140	nla_len(nl_freq), freq_policy);
	141	if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
	142	continue;
379f8397 JB	143	freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
379f8397 JB	144	printf("\t\t\t* %d MHz [%d]", freq, ieee80211_frequency_to_channel(freq));
c1081c20	145
d102c0b6 JB	146	if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
	147	!tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
	148	printf(" (%.1f dBm)", 0.01 * nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]));
c1081c20	149
79f99b9a	150	open = 0;
ee9cd987	151	if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) {
79f99b9a	152	print_flag("disabled", &open);
ee9cd987 JB	153	goto next;
ee9cd987 JB	154	}
79f99b9a JB	155	if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
	156	print_flag("passive scanning", &open);
	157	if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
	158	print_flag("no IBSS", &open);
	159	if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
	160	print_flag("radar detection", &open);
ee9cd987	161	next:
79f99b9a JB	162	if (open)
	163	printf(")");
	164	printf("\n");
48aaf2d9 SW	165
	166	if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
	167	enum nl80211_dfs_state state = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
	168	unsigned long time;
	169
	170	printf("\t\t\t DFS state: %s", dfs_state_name(state));
	171	if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]) {
	172	time = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]);
	173	printf(" (for %lu sec)", time/1000);
	174	}
	175	printf("\n");
	176	}
79f99b9a JB	177	}
79f99b9a JB	178
75dddccc	179	printf("\t\tBitrates (non-HT):\n");
79f99b9a JB	180
	181	nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
	182	nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
	183	nla_len(nl_rate), rate_policy);
	184	if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
	185	continue;
d631650b	186	printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate[NL80211_BITRATE_ATTR_RATE]));
79f99b9a JB	187	open = 0;
	188	if (tb_rate[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE])
	189	print_flag("short preamble supported", &open);
	190	if (open)
	191	printf(")");
	192	printf("\n");
	193	}
	194	}
	195
41be37f2 JB	196	if (tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
	197	printf("\tmax # scan SSIDs: %d\n",
	198	nla_get_u8(tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]));
f9c112b6 JB	199	if (tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN])
f9c112b6 JB	200	printf("\tmax scan IEs length: %d bytes\n",
8eaa9ee5	201	nla_get_u16(tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN]));
41be37f2	202
625aa4ae JB	203	if (tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
	204	unsigned int frag;
	205
	206	frag = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
	207	if (frag != (unsigned int)-1)
	208	printf("\tFragmentation threshold: %d\n", frag);
	209	}
	210
	211	if (tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
	212	unsigned int rts;
	213
	214	rts = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
	215	if (rts != (unsigned int)-1)
	216	printf("\tRTS threshold: %d\n", rts);
	217	}
	218
b2f92dd0 LT	219	if (tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
	220	unsigned char coverage;
	221
	222	coverage = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
	223	/* See handle_distance() for an explanation where the '450' comes from */
	224	printf("\tCoverage class: %d (up to %dm)\n", coverage, 450 * coverage);
	225	}
	226
810e05c3 JB	227	if (tb_msg[NL80211_ATTR_CIPHER_SUITES]) {
	228	int num = nla_len(tb_msg[NL80211_ATTR_CIPHER_SUITES]) / sizeof(__u32);
	229	int i;
	230	__u32 *ciphers = nla_data(tb_msg[NL80211_ATTR_CIPHER_SUITES]);
	231	if (num > 0) {
	232	printf("\tSupported Ciphers:\n");
	233	for (i = 0; i < num; i++)
	234	printf("\t\t* %s\n",
	235	cipher_name(ciphers[i]));
	236	}
	237	}
	238
afce7986 BR	239	if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX] &&
	240	tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX])
	241	printf("\tAvailable Antennas: TX %#x RX %#x\n",
	242	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX]),
	243	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX]));
	244
	245	if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
	246	tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX])
	247	printf("\tConfigured Antennas: TX %#x RX %#x\n",
	248	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX]),
	249	nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX]));
	250
9a4a14bd JB	251	if (tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES]) {
	252	printf("\tSupported interface modes:\n");
	253	nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES], rem_mode)
8ef6df4f	254	printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
9a4a14bd	255	}
6367e71a	256
1c5b4a82 JB	257	if (tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES]) {
	258	printf("\tsoftware interface modes (can always be added):\n");
	259	nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES], rem_mode)
	260	printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
	261	}
	262
	263	if (tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS]) {
	264	struct nlattr *nl_combi;
	265	int rem_combi;
f5f6f15f	266	bool have_combinations = false;
1c5b4a82 JB	267
	268	nla_for_each_nested(nl_combi, tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS], rem_combi) {
	269	static struct nla_policy iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
	270	[NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
	271	[NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
	272	[NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
	273	[NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
c5df9eb6	274	[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
1c5b4a82 JB	275	};
	276	struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
	277	static struct nla_policy iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
	278	[NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
	279	[NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
	280	};
	281	struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
	282	struct nlattr *nl_limit;
	283	int err, rem_limit;
	284	bool comma = false;
	285
f5f6f15f JB	286	if (!have_combinations) {
	287	printf("\tvalid interface combinations:\n");
	288	have_combinations = true;
	289	}
	290
1c5b4a82 JB	291	printf("\t\t * ");
	292
	293	err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
	294	nl_combi, iface_combination_policy);
	295	if (err \|\| !tb_comb[NL80211_IFACE_COMB_LIMITS] \|\|
	296	!tb_comb[NL80211_IFACE_COMB_MAXNUM] \|\|
	297	!tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) {
	298	printf(" <failed to parse>\n");
	299	goto broken_combination;
	300	}
	301
	302	nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], rem_limit) {
	303	bool ift_comma = false;
	304
	305	err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
	306	nl_limit, iface_limit_policy);
	307	if (err \|\| !tb_limit[NL80211_IFACE_LIMIT_TYPES]) {
	308	printf("<failed to parse>\n");
	309	goto broken_combination;
	310	}
	311
	312	if (comma)
	313	printf(", ");
	314	comma = true;
	315	printf("#{");
	316
	317	nla_for_each_nested(nl_mode, tb_limit[NL80211_IFACE_LIMIT_TYPES], rem_mode) {
	318	printf("%s %s", ift_comma ? "," : "",
	319	iftype_name(nla_type(nl_mode)));
	320	ift_comma = true;
	321	}
	322	printf(" } <= %u", nla_get_u32(tb_limit[NL80211_IFACE_LIMIT_MAX]));
	323	}
	324	printf(",\n\t\t ");
	325
c5df9eb6	326	printf("total <= %d, #channels <= %d%s",
1c5b4a82 JB	327	nla_get_u32(tb_comb[NL80211_IFACE_COMB_MAXNUM]),
	328	nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]),
	329	tb_comb[NL80211_IFACE_COMB_STA_AP_BI_MATCH] ?
	330	", STA/AP BI must match" : "");
c5df9eb6 SW	331	if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]) {
	332	unsigned long widths = nla_get_u32(tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]);
	333
	334	if (widths) {
	335	int width;
	336	bool first = true;
	337
	338	printf(", radar detect widths: {");
	339	for (width = 0; width < 32; width++)
	340	if (widths & (1 << width)) {
	341	printf("%s %s",
	342	first ? "":",",
	343	channel_width_name(width));
	344	first = false;
	345	}
	346	printf(" }\n");
	347	}
	348	}
	349	printf("\n");
1c5b4a82 JB	350	broken_combination:
	351	;
	352	}
f5f6f15f JB	353
	354	if (!have_combinations)
	355	printf("\tinterface combinations are not supported\n");
1c5b4a82 JB	356	}
1c5b4a82 JB	357
9a4a14bd JB	358	if (tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS]) {
	359	printf("\tSupported commands:\n");
	360	nla_for_each_nested(nl_cmd, tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS], rem_cmd)
	361	printf("\t\t * %s\n", command_name(nla_get_u32(nl_cmd)));
	362	}
6367e71a	363
9a4a14bd JB	364	if (tb_msg[NL80211_ATTR_TX_FRAME_TYPES]) {
	365	printf("\tSupported TX frame types:\n");
	366	nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_TX_FRAME_TYPES], rem_if) {
	367	bool printed = false;
	368	nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
	369	if (!printed)
	370	printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
	371	printed = true;
58e34341	372	printf(" 0x%.2x", nla_get_u16(nl_ftype));
9a4a14bd JB	373	}
	374	if (printed)
	375	printf("\n");
	376	}
	377	}
9990c1e9	378
9a4a14bd JB	379	if (tb_msg[NL80211_ATTR_RX_FRAME_TYPES]) {
	380	printf("\tSupported RX frame types:\n");
	381	nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_RX_FRAME_TYPES], rem_if) {
	382	bool printed = false;
	383	nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
	384	if (!printed)
	385	printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
	386	printed = true;
58e34341	387	printf(" 0x%.2x", nla_get_u16(nl_ftype));
9a4a14bd JB	388	}
	389	if (printed)
	390	printf("\n");
	391	}
	392	}
9990c1e9	393
3ff24563	394	if (tb_msg[NL80211_ATTR_SUPPORT_IBSS_RSN])
83f10169	395	printf("\tDevice supports RSN-IBSS.\n");
3ff24563 JB	396
	397	if (tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]) {
	398	struct nlattr *tb_wowlan[NUM_NL80211_WOWLAN_TRIG];
	399	static struct nla_policy wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
	400	[NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
	401	[NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
	402	[NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
	403	[NL80211_WOWLAN_TRIG_PKT_PATTERN] = {
	404	.minlen = sizeof(struct nl80211_wowlan_pattern_support),
	405	},
3a6636b1 JB	406	[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED] = { .type = NLA_FLAG },
	407	[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
	408	[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
	409	[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
	410	[NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
3ff24563 JB	411	};
	412	struct nl80211_wowlan_pattern_support *pat;
	413	int err;
	414
	415	err = nla_parse_nested(tb_wowlan, MAX_NL80211_WOWLAN_TRIG,
	416	tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED],
	417	wowlan_policy);
	418	printf("\tWoWLAN support:");
	419	if (err) {
	420	printf(" <failed to parse>\n");
	421	} else {
	422	printf("\n");
	423	if (tb_wowlan[NL80211_WOWLAN_TRIG_ANY])
3a6636b1	424	printf("\t\t * wake up on anything (device continues operating normally)\n");
3ff24563	425	if (tb_wowlan[NL80211_WOWLAN_TRIG_DISCONNECT])
3a6636b1	426	printf("\t\t * wake up on disconnect\n");
3ff24563	427	if (tb_wowlan[NL80211_WOWLAN_TRIG_MAGIC_PKT])
3a6636b1	428	printf("\t\t * wake up on magic packet\n");
3ff24563 JB	429	if (tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
3ff24563 JB	430	pat = nla_data(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]);
3a6636b1	431	printf("\t\t * wake up on pattern match, up to %u patterns of %u-%u bytes\n",
3ff24563 JB	432	pat->max_patterns, pat->min_pattern_len, pat->max_pattern_len);
3ff24563 JB	433	}
3a6636b1 JB	434	if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
	435	printf("\t\t * can do GTK rekeying\n");
	436	if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
	437	printf("\t\t * wake up on GTK rekey failure\n");
	438	if (tb_wowlan[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
	439	printf("\t\t * wake up on EAP identity request\n");
	440	if (tb_wowlan[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
	441	printf("\t\t * wake up on 4-way handshake\n");
	442	if (tb_wowlan[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
	443	printf("\t\t * wake up on rfkill release\n");
3ff24563	444	}
83f10169 JB	445	}
83f10169 JB	446
2e4f65ca JB	447	if (tb_msg[NL80211_ATTR_ROAM_SUPPORT])
	448	printf("\tDevice supports roaming.\n");
	449
8b469995 JB	450	if (tb_msg[NL80211_ATTR_SUPPORT_AP_UAPSD])
	451	printf("\tDevice supports AP-side u-APSD.\n");
	452
a82abc2c BG	453	if (tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) {
	454	struct ieee80211_ht_cap *cm;
	455	printf("\tHT Capability overrides:\n");
	456	if (nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) >= sizeof(*cm)) {
	457	cm = nla_data(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]);
	458	printf("\t\t * MCS: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx"
	459	" %02hhx %02hhx %02hhx %02hhx\n",
	460	cm->mcs.rx_mask[0], cm->mcs.rx_mask[1],
	461	cm->mcs.rx_mask[2], cm->mcs.rx_mask[3],
	462	cm->mcs.rx_mask[4], cm->mcs.rx_mask[5],
	463	cm->mcs.rx_mask[6], cm->mcs.rx_mask[7],
	464	cm->mcs.rx_mask[8], cm->mcs.rx_mask[9]);
	465	if (cm->cap_info & htole16(IEEE80211_HT_CAP_MAX_AMSDU))
	466	printf("\t\t * maximum A-MSDU length\n");
	467	if (cm->cap_info & htole16(IEEE80211_HT_CAP_SUP_WIDTH_20_40))
	468	printf("\t\t * supported channel width\n");
	469	if (cm->cap_info & htole16(IEEE80211_HT_CAP_SGI_40))
	470	printf("\t\t * short GI for 40 MHz\n");
	471	if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR)
	472	printf("\t\t * max A-MPDU length exponent\n");
	473	if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_DENSITY)
	474	printf("\t\t * min MPDU start spacing\n");
	475	} else {
	476	printf("\tERROR: capabilities mask is too short, expected: %d, received: %d\n",
	477	(int)(sizeof(*cm)),
	478	(int)(nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK])));
	479	}
	480	}
	481
632004a0	482	if (tb_msg[NL80211_ATTR_FEATURE_FLAGS]) {
d28df6b4 JB	483	unsigned int features = nla_get_u32(tb_msg[NL80211_ATTR_FEATURE_FLAGS]);
	484
	485	if (features & NL80211_FEATURE_SK_TX_STATUS)
632004a0	486	printf("\tDevice supports TX status socket option.\n");
d28df6b4	487	if (features & NL80211_FEATURE_HT_IBSS)
632004a0	488	printf("\tDevice supports HT-IBSS.\n");
d28df6b4 JB	489	if (features & NL80211_FEATURE_INACTIVITY_TIMER)
	490	printf("\tDevice has client inactivity timer.\n");
	491	if (features & NL80211_FEATURE_CELL_BASE_REG_HINTS)
	492	printf("\tDevice accepts cell base station regulatory hints.\n");
	493	if (features & NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL)
	494	printf("\tP2P Device uses a channel (of the concurrent ones)\n");
fe862239 SL	495	if (features & NL80211_FEATURE_LOW_PRIORITY_SCAN)
	496	printf("\tDevice supports low priority scan.\n");
	497	if (features & NL80211_FEATURE_SCAN_FLUSH)
	498	printf("\tDevice supports scan flush.\n");
afa2be2f AQ	499	if (features & NL80211_FEATURE_AP_SCAN)
afa2be2f AQ	500	printf("\tDevice supports AP scan.\n");
632004a0 JB	501	}
632004a0 JB	502
79f99b9a JB	503	return NL_SKIP;
	504	}
	505
7c37a24d JB	506	static int handle_info(struct nl80211_state *state,
7c37a24d JB	507	struct nl_cb *cb,
d631650b	508	struct nl_msg *msg,
05514f95 JB	509	int argc, char **argv,
05514f95 JB	510	enum id_input id)
79f99b9a	511	{
79f99b9a	512	nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_phy_handler, NULL);
79f99b9a	513
70391ccf	514	return 0;
79f99b9a	515	}
4698bfc2	516	__COMMAND(NULL, info, "info", NULL, NL80211_CMD_GET_WIPHY, 0, 0, CIB_PHY, handle_info,
1633ddf7	517	"Show capabilities for the specified wireless device.", NULL);
ea35fc0b JB	518	TOPLEVEL(list, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info,
ea35fc0b JB	519	"List all wireless devices and their capabilities.");
01ae06f9	520	TOPLEVEL(phy, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info, NULL);
bcdff0b2 JB	521
	522	static int handle_commands(struct nl80211_state *state,
	523	struct nl_cb cb, struct nl_msg msg,
	524	int argc, char **argv, enum id_input id)
	525	{
	526	int i;
	527	for (i = 1; i < NL80211_CMD_MAX; i++)
	528	printf("%d (0x%x): %s\n", i, i, command_name(i));
	529	/* don't send netlink messages */
	530	return 2;
	531	}
	532	TOPLEVEL(commands, NULL, NL80211_CMD_GET_WIPHY, 0, CIB_NONE, handle_commands,
	533	"list all known commands and their decimal & hex value");