blob: 40dcc811a0c15ba2e47a98b97663f5286e737465 [file] [log] [blame]
#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(enum nl80211_ext_feature_index idx)
{
#define ext_feat_case(name, desc) \
case NL80211_EXT_FEATURE_##name: \
printf("\t\t* [ %s ]: %s\n", #name, desc); \
break
switch (idx) {
case NUM_NL80211_EXT_FEATURES: /* cannot happen */ break;
ext_feat_case(VHT_IBSS, "VHT-IBSS");
ext_feat_case(RRM, "RRM");
ext_feat_case(MU_MIMO_AIR_SNIFFER, "MU-MIMO sniffer");
ext_feat_case(SCAN_START_TIME, "scan start timestamp");
ext_feat_case(BSS_PARENT_TSF,
"BSS last beacon/probe TSF");
ext_feat_case(SET_SCAN_DWELL, "scan dwell setting");
ext_feat_case(BEACON_RATE_LEGACY,
"legacy beacon rate setting");
ext_feat_case(BEACON_RATE_HT, "HT beacon rate setting");
ext_feat_case(BEACON_RATE_VHT, "VHT beacon rate setting");
ext_feat_case(FILS_STA,
"STA FILS (Fast Initial Link Setup)");
ext_feat_case(MGMT_TX_RANDOM_TA,
"randomized TA while not associated");
ext_feat_case(MGMT_TX_RANDOM_TA_CONNECTED,
"randomized TA while associated");
ext_feat_case(SCHED_SCAN_RELATIVE_RSSI,
"sched_scan for BSS with better RSSI report");
ext_feat_case(CQM_RSSI_LIST,
"multiple CQM_RSSI_THOLD records");
ext_feat_case(FILS_SK_OFFLOAD,
"FILS shared key authentication offload");
ext_feat_case(4WAY_HANDSHAKE_STA_PSK,
"4-way handshake with PSK in station mode");
ext_feat_case(4WAY_HANDSHAKE_STA_1X,
"4-way handshake with 802.1X in station mode");
ext_feat_case(FILS_MAX_CHANNEL_TIME,
"FILS max channel attribute override with dwell time");
ext_feat_case(ACCEPT_BCAST_PROBE_RESP,
"accepts broadcast probe response");
ext_feat_case(OCE_PROBE_REQ_HIGH_TX_RATE,
"probe request TX at high rate (at least 5.5Mbps)");
ext_feat_case(OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
"probe request tx deferral and suppression");
ext_feat_case(MFP_OPTIONAL,
"MFP_OPTIONAL value in ATTR_USE_MFP");
ext_feat_case(LOW_SPAN_SCAN, "low span scan");
ext_feat_case(LOW_POWER_SCAN, "low power scan");
ext_feat_case(HIGH_ACCURACY_SCAN, "high accuracy scan");
ext_feat_case(DFS_OFFLOAD, "DFS offload");
ext_feat_case(CONTROL_PORT_OVER_NL80211,
"control port over nl80211");
ext_feat_case(ACK_SIGNAL_SUPPORT,
"ack signal level support");
ext_feat_case(TXQS, "FQ-CoDel-enabled intermediate TXQs");
ext_feat_case(SCAN_RANDOM_SN,
"use random sequence numbers in scans");
ext_feat_case(SCAN_MIN_PREQ_CONTENT,
"use probe request with only rate IEs in scans");
ext_feat_case(CAN_REPLACE_PTK0,
"can safely replace PTK 0 when rekeying");
ext_feat_case(ENABLE_FTM_RESPONDER,
"enable FTM (Fine Time Measurement) responder");
ext_feat_case(AIRTIME_FAIRNESS,
"airtime fairness scheduling");
ext_feat_case(AP_PMKSA_CACHING,
"PMKSA caching supported in AP mode");
ext_feat_case(SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD,
"band specific RSSI thresholds for scheduled scan");
ext_feat_case(EXT_KEY_ID, "Extended Key ID support");
ext_feat_case(STA_TX_PWR, "TX power control per station");
ext_feat_case(SAE_OFFLOAD, "SAE offload support");
ext_feat_case(VLAN_OFFLOAD, "VLAN offload support");
ext_feat_case(AQL,
"Airtime Queue Limits (AQL)");
ext_feat_case(BEACON_PROTECTION, "beacon protection support");
ext_feat_case(CONTROL_PORT_NO_PREAUTH, "disable pre-auth over nl80211 control port support");
ext_feat_case(PROTECTED_TWT, "protected Target Wake Time (TWT) support");
ext_feat_case(DEL_IBSS_STA, "deletion of IBSS station support");
ext_feat_case(MULTICAST_REGISTRATIONS, "mgmt frame registration for multicast");
ext_feat_case(BEACON_PROTECTION_CLIENT, "beacon prot. for clients support");
ext_feat_case(SCAN_FREQ_KHZ, "scan on kHz frequency support");
ext_feat_case(CONTROL_PORT_OVER_NL80211_TX_STATUS, "tx status for nl80211 control port support");
ext_feat_case(OPERATING_CHANNEL_VALIDATION, "Operating Channel Validation (OCV) support");
ext_feat_case(4WAY_HANDSHAKE_AP_PSK, "AP mode PSK offload support");
ext_feat_case(SAE_OFFLOAD_AP, "AP mode SAE authentication offload support");
ext_feat_case(FILS_DISCOVERY, "FILS discovery frame transmission support");
ext_feat_case(UNSOL_BCAST_PROBE_RESP,
"unsolicated broadcast probe response transmission support");
ext_feat_case(BEACON_RATE_HE, "HE beacon rate support (AP/mesh)");
ext_feat_case(SECURE_LTF, "secure LTF measurement protocol support");
ext_feat_case(SECURE_RTT, "secure RTT measurement protocol support");
ext_feat_case(PROT_RANGE_NEGO_AND_MEASURE,
"support for MFP in range measurement negotiation/procedure");
ext_feat_case(BSS_COLOR, "BSS coloring support");
ext_feat_case(FILS_CRYPTO_OFFLOAD, "FILS crypto offload");
ext_feat_case(RADAR_BACKGROUND, "Radar background support");
ext_feat_case(POWERED_ADDR_CHANGE, "can change MAC address while up");
ext_feat_case(PUNCT, "preamble puncturing in AP mode");
ext_feat_case(SECURE_NAN, "secure NAN support");
ext_feat_case(AUTH_AND_DEAUTH_RANDOM_TA, "random auth/deauth transmitter address");
ext_feat_case(OWE_OFFLOAD, "OWE DH element handling offload (client)");
ext_feat_case(OWE_OFFLOAD_AP, "OWE DH element handling offload (AP)");
ext_feat_case(DFS_CONCURRENT, "DFS channel use under concurrent DFS master");
}
}
static void __print_ftm_capability(struct nlattr *ftm_capa)
{
#define PRINT_FTM_FLAG(T, NAME) \
do { \
if (T[NL80211_PMSR_FTM_CAPA_ATTR_##NAME]) \
printf("\t\t\t" #NAME "\n"); \
} while (0)
#define PRINT_FTM_U8(T, NAME) \
do { \
if (T[NL80211_PMSR_FTM_CAPA_ATTR_##NAME]) \
printf("\t\t\t" #NAME ": %d\n", \
nla_get_u8(T[NL80211_PMSR_FTM_CAPA_ATTR_##NAME])); \
} while (0)
struct nlattr *tb[NL80211_PMSR_FTM_CAPA_ATTR_MAX + 1];
int ret;
printf("\t\tFTM (Fine time measurement or Flight time measurement)\n");
ret = nla_parse_nested(tb, NL80211_PMSR_FTM_CAPA_ATTR_MAX, ftm_capa,
NULL);
if (ret)
return;
if (tb[NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES]) {
#define PRINT_PREAMBLE(P, V) \
do { \
if (P & BIT(NL80211_PREAMBLE_##V)) \
printf(" " #V); \
} while (0)
uint32_t preambles =
nla_get_u32(tb[NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES]);
printf("\t\t\tPreambles:");
PRINT_PREAMBLE(preambles, LEGACY);
PRINT_PREAMBLE(preambles, HT);
PRINT_PREAMBLE(preambles, VHT);
PRINT_PREAMBLE(preambles, DMG);
printf("\n");
#undef PRINT_PREAMBLE
}
if (tb[NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS]) {
#define PRINT_BANDWIDTH(B, V) \
do { \
if (B & BIT(NL80211_CHAN_WIDTH_##V)) \
printf(" " #V); \
} while (0)
uint32_t bandwidth =
nla_get_u32(tb[NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS]);
printf("\t\t\tBandwidth:");
PRINT_BANDWIDTH(bandwidth, 20_NOHT);
PRINT_BANDWIDTH(bandwidth, 20);
PRINT_BANDWIDTH(bandwidth, 40);
PRINT_BANDWIDTH(bandwidth, 80);
PRINT_BANDWIDTH(bandwidth, 80P80);
PRINT_BANDWIDTH(bandwidth, 160);
PRINT_BANDWIDTH(bandwidth, 5);
PRINT_BANDWIDTH(bandwidth, 10);
PRINT_BANDWIDTH(bandwidth, 1);
PRINT_BANDWIDTH(bandwidth, 2);
PRINT_BANDWIDTH(bandwidth, 4);
PRINT_BANDWIDTH(bandwidth, 8);
PRINT_BANDWIDTH(bandwidth, 16);
PRINT_BANDWIDTH(bandwidth, 320);
printf("\n");
#undef PRINT_BANDWIDTH
}
PRINT_FTM_U8(tb, MAX_BURSTS_EXPONENT);
PRINT_FTM_U8(tb, MAX_FTMS_PER_BURST);
PRINT_FTM_FLAG(tb, ASAP);
PRINT_FTM_FLAG(tb, NON_ASAP);
PRINT_FTM_FLAG(tb, REQ_LCI);
PRINT_FTM_FLAG(tb, REQ_CIVICLOC);
PRINT_FTM_FLAG(tb, TRIGGER_BASED);
PRINT_FTM_FLAG(tb, NON_TRIGGER_BASED);
#undef PRINT_FTM_U8
#undef PRINT_FTM_FLAG
}
static void print_pmsr_capabilities(struct nlattr *pmsr_capa)
{
struct nlattr *tb[NL80211_PMSR_ATTR_MAX + 1];
struct nlattr *nla;
int size;
int ret;
printf("\tPeer measurement (PMSR)\n");
ret = nla_parse_nested(tb, NL80211_PMSR_ATTR_MAX, pmsr_capa, NULL);
if (ret) {
printf("\t\tMalformed PMSR\n");
return;
}
if (tb[NL80211_PMSR_ATTR_MAX_PEERS])
printf("\t\tMax peers: %d\n",
nla_get_u32(tb[NL80211_PMSR_ATTR_MAX_PEERS]));
if (tb[NL80211_PMSR_ATTR_REPORT_AP_TSF])
printf("\t\tREPORT_AP_TSF\n");
if (tb[NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR])
printf("\t\tRANDOMIZE_MAC_ADDR\n");
if (tb[NL80211_PMSR_ATTR_TYPE_CAPA]) {
nla_for_each_nested(nla, tb[NL80211_PMSR_ATTR_TYPE_CAPA], size) {
switch (nla_type(nla)) {
case NL80211_PMSR_TYPE_FTM:
__print_ftm_capability(nla);
break;
}
}
} else {
printf("\t\tPMSR type is missing\n");
}
}
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_OFFSET] = { .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_cmd;
struct nlattr *nl_if, *nl_ftype;
int rem_band, rem_freq, rem_rate, 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);
print_eht_info(nl_iftype, last_band);
}
}
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]);
if (tb_freq[NL80211_FREQUENCY_ATTR_OFFSET]) {
uint32_t offset = nla_get_u32(
tb_freq[NL80211_FREQUENCY_ATTR_OFFSET]);
printf("\t\t\t* %d.%d MHz", freq, offset);
} else {
printf("\t\t\t* %d MHz", freq);
}
if (ieee80211_frequency_to_channel(freq))
printf(" [%d]", 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])
print_iftype_list("\tSupported interface modes", "\t\t",
tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES]);
if (tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES])
print_iftype_list("\tsoftware interface modes (can always be added)",
"\t\t", tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES]);
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) {
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("#{ ");
print_iftype_line(tb_limit[NL80211_IFACE_LIMIT_TYPES]);
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];
enum nl80211_ext_feature_index feat;
printf("\tSupported extended features:\n");
for (feat = 0; feat < NUM_NL80211_EXT_FEATURES; feat++) {
if (!ext_feature_isset(nla_data(tb), nla_len(tb), feat))
continue;
ext_feat_print(feat);
}
}
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 up to %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_PEER_MEASUREMENTS])
print_pmsr_capabilities(tb_msg[NL80211_ATTR_PEER_MEASUREMENTS]);
if (tb_msg[NL80211_ATTR_MAX_AP_ASSOC_STA])
printf("\tMaximum associated stations in AP mode: %u\n",
nla_get_u32(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, "");