| #include <stdbool.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-128 (00-0f-ac:4)"; |
| case 0x000fac06: |
| return "CMAC (00-0f-ac:6)"; |
| case 0x000fac08: |
| return "GCMP-128 (00-0f-ac:8)"; |
| case 0x000fac09: |
| return "GCMP-256 (00-0f-ac:9)"; |
| case 0x000fac0a: |
| return "CCMP-256 (00-0f-ac:10)"; |
| case 0x000fac0b: |
| return "GMAC-128 (00-0f-ac:11)"; |
| case 0x000fac0c: |
| return "GMAC-256 (00-0f-ac:12)"; |
| case 0x000fac0d: |
| return "CMAC-256 (00-0f-ac:13)"; |
| 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 ext_feature_isset(const unsigned char *ext_features, int ext_features_len, |
| enum nl80211_ext_feature_index ftidx) |
| { |
| unsigned char ft_byte; |
| |
| if ((int) ftidx / 8 >= ext_features_len) |
| return 0; |
| |
| ft_byte = ext_features[ftidx / 8]; |
| return (ft_byte & BIT(ftidx % 8)) != 0; |
| } |
| |
| static void _ext_feat_print(const struct nlattr *tb, |
| enum nl80211_ext_feature_index idx, |
| const char *feature_name, const char *feature_desc) |
| { |
| if (ext_feature_isset(nla_data(tb), nla_len(tb),idx)) |
| printf("\t\t* [ %s ]: %s\n", feature_name, feature_desc); |
| } |
| #define ext_feat_print(tb, name, desc) \ |
| _ext_feat_print(tb, NL80211_EXT_FEATURE_##name, #name, desc) |
| |
| 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_NO_IR] = { .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 rem_band, rem_freq, rem_rate, rem_mode, rem_cmd, rem_ftype, rem_if; |
| int open; |
| /* |
| * static variables only work here, other applications need to use the |
| * callback pointer and store them there so they can be multithreaded |
| * and/or have multiple netlink sockets, etc. |
| */ |
| static int64_t phy_id = -1; |
| static int last_band = -1; |
| static bool band_had_freq = false; |
| bool print_name = true; |
| |
| nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), |
| genlmsg_attrlen(gnlh, 0), NULL); |
| |
| if (tb_msg[NL80211_ATTR_WIPHY]) { |
| if (nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]) == phy_id) |
| print_name = false; |
| else |
| last_band = -1; |
| phy_id = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]); |
| } |
| if (print_name && tb_msg[NL80211_ATTR_WIPHY_NAME]) |
| printf("Wiphy %s\n", nla_get_string(tb_msg[NL80211_ATTR_WIPHY_NAME])); |
| |
| if (print_name && tb_msg[NL80211_ATTR_WIPHY]) |
| printf("\twiphy index: %u\n", nla_get_u32(tb_msg[NL80211_ATTR_WIPHY])); |
| |
| /* needed for split dump */ |
| if (tb_msg[NL80211_ATTR_WIPHY_BANDS]) { |
| nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) { |
| if (last_band != nl_band->nla_type) { |
| printf("\tBand %d:\n", nl_band->nla_type + 1); |
| band_had_freq = false; |
| } |
| last_band = nl_band->nla_type; |
| |
| 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])); |
| if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) { |
| struct nlattr *nl_iftype; |
| int rem_band; |
| |
| nla_for_each_nested(nl_iftype, tb_band[NL80211_BAND_ATTR_IFTYPE_DATA], rem_band) |
| print_he_info(nl_iftype); |
| } |
| if (tb_band[NL80211_BAND_ATTR_FREQS]) { |
| if (!band_had_freq) { |
| printf("\t\tFrequencies:\n"); |
| band_had_freq = true; |
| } |
| 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 both flags are set assume an new kernel */ |
| if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR] && tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]) { |
| print_flag("no IR", &open); |
| } else if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN]) { |
| print_flag("passive scan", &open); |
| } else 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_band[NL80211_BAND_ATTR_RATES]) { |
| 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_MAX_NUM_SCHED_SCAN_SSIDS]) |
| printf("\tmax # sched scan SSIDs: %d\n", |
| nla_get_u8(tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])); |
| if (tb_msg[NL80211_ATTR_MAX_MATCH_SETS]) |
| printf("\tmax # match sets: %d\n", |
| nla_get_u8(tb_msg[NL80211_ATTR_MAX_MATCH_SETS])); |
| if (tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]) |
| printf("\tmax # scan plans: %d\n", |
| nla_get_u32(tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS])); |
| if (tb_msg[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]) |
| printf("\tmax scan plan interval: %d\n", |
| nla_get_u32(tb_msg[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL])); |
| if (tb_msg[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) |
| printf("\tmax scan plan iterations: %d\n", |
| nla_get_u32(tb_msg[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS])); |
| |
| 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_RETRY_SHORT] || |
| tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG]) { |
| unsigned char retry_short = 0, retry_long = 0; |
| |
| if (tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT]) |
| retry_short = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT]); |
| if (tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG]) |
| retry_long = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG]); |
| if (retry_short == retry_long) { |
| printf("\tRetry short long limit: %d\n", retry_short); |
| } else { |
| printf("\tRetry short limit: %d\n", retry_short); |
| printf("\tRetry long limit: %d\n", retry_long); |
| } |
| } |
| |
| 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 = 12 }, |
| [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 }, |
| [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_U32 }, |
| [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
| }; |
| struct nl80211_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]) { |
| unsigned int len = nla_len(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" |
| "\t\t maximum packet offset %u bytes\n", |
| pat->max_patterns, pat->min_pattern_len, pat->max_pattern_len, |
| len < sizeof(*pat) ? 0 : pat->max_pkt_offset); |
| } |
| 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_wowlan[NL80211_WOWLAN_TRIG_NET_DETECT]) |
| printf("\t\t * wake up on network detection, up to %d match sets\n", |
| nla_get_u32(tb_wowlan[NL80211_WOWLAN_TRIG_NET_DETECT])); |
| if (tb_wowlan[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) |
| printf("\t\t * wake up on TCP connection\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; |
| unsigned int len = nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]); |
| |
| printf("\tHT Capability overrides:\n"); |
| if (len >= 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_SAE) |
| printf("\tDevice supports SAE with AUTHENTICATE command\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"); |
| if (features & NL80211_FEATURE_VIF_TXPOWER) |
| printf("\tDevice supports per-vif TX power setting\n"); |
| if (features & NL80211_FEATURE_NEED_OBSS_SCAN) |
| printf("\tUserspace should do OBSS scan and generate 20/40 coex reports\n"); |
| if (features & NL80211_FEATURE_P2P_GO_CTWIN) |
| printf("\tP2P GO supports CT window setting\n"); |
| if (features & NL80211_FEATURE_P2P_GO_OPPPS) |
| printf("\tP2P GO supports opportunistic powersave setting\n"); |
| if (features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) |
| printf("\tDriver supports full state transitions for AP/GO clients\n"); |
| if (features & NL80211_FEATURE_USERSPACE_MPM) |
| printf("\tDriver supports a userspace MPM\n"); |
| if (features & NL80211_FEATURE_ACTIVE_MONITOR) |
| printf("\tDevice supports active monitor (which will ACK incoming frames)\n"); |
| if (features & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE) |
| printf("\tDriver/device bandwidth changes during BSS lifetime (AP/GO mode)\n"); |
| if (features & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) |
| printf("\tDevice adds DS IE to probe requests\n"); |
| if (features & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES) |
| printf("\tDevice adds WFA TPC Report IE to probe requests\n"); |
| if (features & NL80211_FEATURE_QUIET) |
| printf("\tDevice supports quiet requests from AP\n"); |
| if (features & NL80211_FEATURE_TX_POWER_INSERTION) |
| printf("\tDevice can update TPC Report IE\n"); |
| if (features & NL80211_FEATURE_ACKTO_ESTIMATION) |
| printf("\tDevice supports ACK timeout estimation.\n"); |
| if (features & NL80211_FEATURE_STATIC_SMPS) |
| printf("\tDevice supports static SMPS\n"); |
| if (features & NL80211_FEATURE_DYNAMIC_SMPS) |
| printf("\tDevice supports dynamic SMPS\n"); |
| if (features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) |
| printf("\tDevice supports WMM-AC admission (TSPECs)\n"); |
| if (features & NL80211_FEATURE_MAC_ON_CREATE) |
| printf("\tDevice supports configuring vdev MAC-addr on create.\n"); |
| if (features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) |
| printf("\tDevice supports TDLS channel switching\n"); |
| if (features & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR) |
| printf("\tDevice supports randomizing MAC-addr in scans.\n"); |
| if (features & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR) |
| printf("\tDevice supports randomizing MAC-addr in sched scans.\n"); |
| if (features & NL80211_FEATURE_ND_RANDOM_MAC_ADDR) |
| printf("\tDevice supports randomizing MAC-addr in net-detect scans.\n"); |
| } |
| |
| if (tb_msg[NL80211_ATTR_TDLS_SUPPORT]) |
| printf("\tDevice supports T-DLS.\n"); |
| |
| if (tb_msg[NL80211_ATTR_EXT_FEATURES]) { |
| struct nlattr *tb = tb_msg[NL80211_ATTR_EXT_FEATURES]; |
| |
| printf("\tSupported extended features:\n"); |
| |
| ext_feat_print(tb, VHT_IBSS, "VHT-IBSS"); |
| ext_feat_print(tb, RRM, "RRM"); |
| ext_feat_print(tb, MU_MIMO_AIR_SNIFFER, "MU-MIMO sniffer"); |
| ext_feat_print(tb, SCAN_START_TIME, "scan start timestamp"); |
| ext_feat_print(tb, BSS_PARENT_TSF, |
| "BSS last beacon/probe TSF"); |
| ext_feat_print(tb, SET_SCAN_DWELL, "scan dwell setting"); |
| ext_feat_print(tb, BEACON_RATE_LEGACY, |
| "legacy beacon rate setting"); |
| ext_feat_print(tb, BEACON_RATE_HT, "HT beacon rate setting"); |
| ext_feat_print(tb, BEACON_RATE_VHT, "VHT beacon rate setting"); |
| ext_feat_print(tb, FILS_STA, |
| "STA FILS (Fast Initial Link Setup)"); |
| ext_feat_print(tb, MGMT_TX_RANDOM_TA, |
| "randomized TA while not associated"); |
| ext_feat_print(tb, MGMT_TX_RANDOM_TA_CONNECTED, |
| "randomized TA while associated"); |
| ext_feat_print(tb, SCHED_SCAN_RELATIVE_RSSI, |
| "sched_scan for BSS with better RSSI report"); |
| ext_feat_print(tb, CQM_RSSI_LIST, |
| "multiple CQM_RSSI_THOLD records"); |
| ext_feat_print(tb, FILS_SK_OFFLOAD, |
| "FILS shared key authentication offload"); |
| ext_feat_print(tb, 4WAY_HANDSHAKE_STA_PSK, |
| "4-way handshake with PSK in station mode"); |
| ext_feat_print(tb, 4WAY_HANDSHAKE_STA_1X, |
| "4-way handshake with 802.1X in station mode"); |
| ext_feat_print(tb, FILS_MAX_CHANNEL_TIME, |
| "FILS max channel attribute override with dwell time"); |
| ext_feat_print(tb, ACCEPT_BCAST_PROBE_RESP, |
| "accepts broadcast probe response"); |
| ext_feat_print(tb, OCE_PROBE_REQ_HIGH_TX_RATE, |
| "probe request TX at high rate (at least 5.5Mbps)"); |
| ext_feat_print(tb, OCE_PROBE_REQ_DEFERRAL_SUPPRESSION, |
| "probe request tx deferral and suppression"); |
| ext_feat_print(tb, MFP_OPTIONAL, |
| "MFP_OPTIONAL value in ATTR_USE_MFP"); |
| ext_feat_print(tb, LOW_SPAN_SCAN, "low span scan"); |
| ext_feat_print(tb, LOW_POWER_SCAN, "low power scan"); |
| ext_feat_print(tb, HIGH_ACCURACY_SCAN, "high accuracy scan"); |
| ext_feat_print(tb, DFS_OFFLOAD, "DFS offload"); |
| ext_feat_print(tb, CONTROL_PORT_OVER_NL80211, |
| "control port over nl80211"); |
| ext_feat_print(tb, ACK_SIGNAL_SUPPORT, |
| "ack signal level support"); |
| ext_feat_print(tb, TXQS, "FQ-CoDel-enabled intermediate TXQs"); |
| ext_feat_print(tb, AIRTIME_FAIRNESS, |
| "airtime fairness scheduling"); |
| ext_feat_print(tb, AQL, |
| "Airtime Queue Limits (AQL)"); |
| ext_feat_print(tb, SCAN_RANDOM_SN, |
| "use random sequence numbers in scans"); |
| ext_feat_print(tb, SCAN_MIN_PREQ_CONTENT, |
| "use probe request with only rate IEs in scans"); |
| ext_feat_print(tb, CAN_REPLACE_PTK0, |
| "can safely replace PTK 0 when rekeying"); |
| ext_feat_print(tb, ENABLE_FTM_RESPONDER, |
| "enable FTM (Fine Time Measurement) responder"); |
| ext_feat_print(tb, AP_PMKSA_CACHING, |
| "PMKSA caching supported in AP mode"); |
| ext_feat_print(tb, SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD, |
| "band specific RSSI thresholds for scheduled scan"); |
| ext_feat_print(tb, EXT_KEY_ID, "Extended Key ID support"); |
| ext_feat_print(tb, STA_TX_PWR, "TX power control per station"); |
| ext_feat_print(tb, SAE_OFFLOAD, "SAE offload support"); |
| ext_feat_print(tb, VLAN_OFFLOAD, "VLAN offload support"); |
| ext_feat_print(tb, BEACON_PROTECTION, "beacon protection support"); |
| ext_feat_print(tb, CONTROL_PORT_NO_PREAUTH, "disable pre-auth over nl80211 control port support"); |
| ext_feat_print(tb, PROTECTED_TWT, "protected Target Wake Time (TWT) support"); |
| ext_feat_print(tb, DEL_IBSS_STA, "deletion of IBSS station support"); |
| ext_feat_print(tb, MULTICAST_REGISTRATIONS, "mgmt frame registration for multicast"); |
| ext_feat_print(tb, BEACON_PROTECTION_CLIENT, "beacon prot. for clients support"); |
| ext_feat_print(tb, SCAN_FREQ_KHZ, "scan on kHz frequency support"); |
| ext_feat_print(tb, CONTROL_PORT_OVER_NL80211_TX_STATUS, "tx status for nl80211 control port support"); |
| ext_feat_print(tb, OPERATING_CHANNEL_VALIDATION, "Operating Channel Validation (OCV) support"); |
| ext_feat_print(tb, 4WAY_HANDSHAKE_AP_PSK, "AP mode PSK offload support"); |
| } |
| |
| if (tb_msg[NL80211_ATTR_COALESCE_RULE]) { |
| struct nl80211_coalesce_rule_support *rule; |
| struct nl80211_pattern_support *pat; |
| |
| printf("\tCoalesce support:\n"); |
| rule = nla_data(tb_msg[NL80211_ATTR_COALESCE_RULE]); |
| pat = &rule->pat; |
| printf("\t\t * Maximum %u coalesce rules supported\n" |
| "\t\t * Each rule contains upto %u patterns of %u-%u bytes,\n" |
| "\t\t maximum packet offset %u bytes\n" |
| "\t\t * Maximum supported coalescing delay %u msecs\n", |
| rule->max_rules, pat->max_patterns, pat->min_pattern_len, |
| pat->max_pattern_len, pat->max_pkt_offset, rule->max_delay); |
| } |
| |
| if (tb_msg[NL80211_ATTR_MAX_AP_ASSOC_STA]) |
| printf("\tMaximum associated stations in AP mode: %u\n", |
| nla_get_u16(tb_msg[NL80211_ATTR_MAX_AP_ASSOC_STA])); |
| |
| return NL_SKIP; |
| } |
| |
| static bool nl80211_has_split_wiphy = false; |
| |
| static int handle_info(struct nl80211_state *state, |
| struct nl_msg *msg, |
| int argc, char **argv, |
| enum id_input id) |
| { |
| char *feat_args[] = { "features", "-q" }; |
| int err; |
| |
| err = handle_cmd(state, II_NONE, 2, feat_args); |
| if (!err && nl80211_has_split_wiphy) { |
| nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP); |
| nlmsg_hdr(msg)->nlmsg_flags |= NLM_F_DUMP; |
| } |
| |
| register_handler(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_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"); |
| |
| static int print_feature_handler(struct nl_msg *msg, void *arg) |
| { |
| struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; |
| struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); |
| bool print = (unsigned long)arg; |
| #define maybe_printf(...) do { if (print) printf(__VA_ARGS__); } while (0) |
| |
| nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), |
| genlmsg_attrlen(gnlh, 0), NULL); |
| |
| if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]) { |
| uint32_t feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]); |
| |
| maybe_printf("nl80211 features: 0x%x\n", feat); |
| if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) { |
| maybe_printf("\t* split wiphy dump\n"); |
| nl80211_has_split_wiphy = true; |
| } |
| } |
| |
| return NL_SKIP; |
| } |
| |
| static int handle_features(struct nl80211_state *state, struct nl_msg *msg, |
| int argc, char **argv, enum id_input id) |
| { |
| unsigned long print = argc == 0 || strcmp(argv[0], "-q"); |
| register_handler(print_feature_handler, (void *)print); |
| return 0; |
| } |
| |
| TOPLEVEL(features, "", NL80211_CMD_GET_PROTOCOL_FEATURES, 0, CIB_NONE, |
| handle_features, ""); |
