+#include <stdbool.h>
#include <errno.h>
#include <net/if.h>
*open = 1;
}
+static char *cipher_name(__u32 c)
+{
+ static char buf[20];
+
+ switch (c) {
+ case 0x000fac01:
+ return "WEP40 (00-0f-ac:1)";
+ case 0x000fac05:
+ return "WEP104 (00-0f-ac:5)";
+ case 0x000fac02:
+ return "TKIP (00-0f-ac:2)";
+ case 0x000fac04:
+ return "CCMP (00-0f-ac:4)";
+ case 0x000fac06:
+ return "CMAC (00-0f-ac:6)";
+ case 0x000fac08:
+ return "GCMP (00-0f-ac:8)";
+ case 0x00147201:
+ return "WPI-SMS4 (00-14-72:1)";
+ default:
+ sprintf(buf, "%.2x-%.2x-%.2x:%d",
+ c >> 24, (c >> 16) & 0xff,
+ (c >> 8) & 0xff, c & 0xff);
+
+ return buf;
+ }
+}
+
static int print_phy_handler(struct nl_msg *msg, void *arg)
{
struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
struct 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;
+ 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),
#ifdef NL80211_BAND_ATTR_HT_CAPA
if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) {
- unsigned short cap = nla_get_u16(tb_band[NL80211_BAND_ATTR_HT_CAPA]);
-#define PCOM(fmt, args...) do { printf("\t\t\t * " fmt "\n", ##args); } while (0)
-#define PBCOM(bit, args...) if (cap & (bit)) PCOM(args)
- printf("\t\tHT capabilities: 0x%.4x\n", cap);
- PBCOM(0x0001, "LPDC coding");
- if (cap & 0x0002)
- PCOM("20/40 MHz operation");
- else
- PCOM("20 MHz operation");
- switch ((cap & 0x000c) >> 2) {
- case 0:
- PCOM("static SM PS");
- break;
- case 1:
- PCOM("dynamic SM PS");
- break;
- case 2:
- PCOM("reserved SM PS");
- break;
- case 3:
- PCOM("SM PS disabled");
- break;
- }
- PBCOM(0x0010, "HT-greenfield");
- PBCOM(0x0020, "20 MHz short GI");
- PBCOM(0x0040, "40 MHz short GI");
- PBCOM(0x0080, "TX STBC");
- if (cap & 0x300)
- PCOM("RX STBC %d streams", (cap & 0x0300) >> 8);
- PBCOM(0x0400, "HT-delayed block-ack");
- PCOM("max A-MSDU len %d", 0xeff + ((cap & 0x0800) << 1));
- PBCOM(0x1000, "DSSS/CCK 40 MHz");
- PBCOM(0x2000, "PSMP support");
- PBCOM(0x4000, "40 MHz intolerant");
- PBCOM(0x8000, "L-SIG TXOP protection support");
+ __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]) {
- unsigned char factor = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]);
- printf("\t\tHT A-MPDU factor: 0x%.4x (%d bytes)\n", factor, (1<<(13+factor))-1);
+ __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]) {
- unsigned char dens = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]);
- printf("\t\tHT A-MPDU density: 0x%.4x (", dens);
- switch (dens) {
- case 0:
- printf("no restriction)\n");
- break;
- case 1:
- printf("1/4 usec)\n");
- break;
- case 2:
- printf("1/2 usec)\n");
- break;
- default:
- printf("%d usec)\n", 1<<(dens - 3));
- }
+ __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) {
- unsigned char *mcs = nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
- printf("\t\tHT MCS set: %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x\n",
- mcs[0], mcs[1], mcs[2], mcs[3], mcs[4], mcs[5], mcs[6], mcs[7],
- mcs[8], mcs[9], mcs[10], mcs[11], mcs[12], mcs[13], mcs[14], mcs[15]);
- }
+ nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]) == 16)
+ print_ht_mcs(nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]));
#endif
printf("\t\tFrequencies:\n");
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])
+ if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) {
print_flag("disabled", &open);
+ goto next;
+ }
if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
print_flag("passive scanning", &open);
if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
print_flag("no IBSS", &open);
if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
print_flag("radar detection", &open);
+ next:
if (open)
printf(")");
printf("\n");
}
- printf("\t\tBitrates:\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),
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_SUPPORTED_IFTYPES])
- return NL_SKIP;
+ 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;
- 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(nl_mode->nla_type));
+ coverage = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
+ /* See handle_distance() for an explanation where the '450' comes from */
+ printf("\tCoverage class: %d (up to %dm)\n", coverage, 450 * coverage);
+ }
+
+ if (tb_msg[NL80211_ATTR_CIPHER_SUITES]) {
+ int num = nla_len(tb_msg[NL80211_ATTR_CIPHER_SUITES]) / sizeof(__u32);
+ int i;
+ __u32 *ciphers = nla_data(tb_msg[NL80211_ATTR_CIPHER_SUITES]);
+ if (num > 0) {
+ printf("\tSupported Ciphers:\n");
+ for (i = 0; i < num; i++)
+ printf("\t\t* %s\n",
+ cipher_name(ciphers[i]));
+ }
+ }
+
+ if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX] &&
+ tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX])
+ printf("\tAvailable Antennas: TX %#x RX %#x\n",
+ nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX]),
+ nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX]));
+
+ if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
+ tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX])
+ printf("\tConfigured Antennas: TX %#x RX %#x\n",
+ nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX]),
+ nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX]));
+
+ if (tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES]) {
+ printf("\tSupported interface modes:\n");
+ nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES], rem_mode)
+ printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
+ }
+
+ if (tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES]) {
+ printf("\tsoftware interface modes (can always be added):\n");
+ nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES], rem_mode)
+ printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
+ }
+
+ if (tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS]) {
+ struct nlattr *nl_combi;
+ int rem_combi;
+ bool have_combinations = false;
+
+ nla_for_each_nested(nl_combi, tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS], rem_combi) {
+ static struct nla_policy iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
+ [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
+ [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
+ [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
+ [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
+ };
+ struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
+ static struct nla_policy iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
+ [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
+ [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
+ };
+ struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
+ struct nlattr *nl_limit;
+ int err, rem_limit;
+ bool comma = false;
+
+ if (!have_combinations) {
+ printf("\tvalid interface combinations:\n");
+ have_combinations = true;
+ }
+
+ printf("\t\t * ");
+
+ err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
+ nl_combi, iface_combination_policy);
+ if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
+ !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
+ !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) {
+ printf(" <failed to parse>\n");
+ goto broken_combination;
+ }
+
+ nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], rem_limit) {
+ bool ift_comma = false;
+
+ err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
+ nl_limit, iface_limit_policy);
+ if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES]) {
+ printf("<failed to parse>\n");
+ goto broken_combination;
+ }
+
+ if (comma)
+ printf(", ");
+ comma = true;
+ printf("#{");
+
+ nla_for_each_nested(nl_mode, tb_limit[NL80211_IFACE_LIMIT_TYPES], rem_mode) {
+ printf("%s %s", ift_comma ? "," : "",
+ iftype_name(nla_type(nl_mode)));
+ ift_comma = true;
+ }
+ printf(" } <= %u", nla_get_u32(tb_limit[NL80211_IFACE_LIMIT_MAX]));
+ }
+ printf(",\n\t\t ");
+
+ printf("total <= %d, #channels <= %d%s\n",
+ nla_get_u32(tb_comb[NL80211_IFACE_COMB_MAXNUM]),
+ nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]),
+ tb_comb[NL80211_IFACE_COMB_STA_AP_BI_MATCH] ?
+ ", STA/AP BI must match" : "");
+broken_combination:
+ ;
+ }
+
+ if (!have_combinations)
+ printf("\tinterface combinations are not supported\n");
+ }
+
+ if (tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS]) {
+ printf("\tSupported commands:\n");
+ nla_for_each_nested(nl_cmd, tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS], rem_cmd)
+ printf("\t\t * %s\n", command_name(nla_get_u32(nl_cmd)));
+ }
+
+ if (tb_msg[NL80211_ATTR_TX_FRAME_TYPES]) {
+ printf("\tSupported TX frame types:\n");
+ nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_TX_FRAME_TYPES], rem_if) {
+ bool printed = false;
+ nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
+ if (!printed)
+ printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
+ printed = true;
+ printf(" 0x%.2x", nla_get_u16(nl_ftype));
+ }
+ if (printed)
+ printf("\n");
+ }
+ }
+
+ if (tb_msg[NL80211_ATTR_RX_FRAME_TYPES]) {
+ printf("\tSupported RX frame types:\n");
+ nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_RX_FRAME_TYPES], rem_if) {
+ bool printed = false;
+ nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
+ if (!printed)
+ printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
+ printed = true;
+ printf(" 0x%.2x", nla_get_u16(nl_ftype));
+ }
+ if (printed)
+ printf("\n");
+ }
+ }
+
+ if (tb_msg[NL80211_ATTR_SUPPORT_IBSS_RSN])
+ printf("\tDevice supports RSN-IBSS.\n");
+
+ if (tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]) {
+ struct nlattr *tb_wowlan[NUM_NL80211_WOWLAN_TRIG];
+ static struct nla_policy wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
+ [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_PKT_PATTERN] = {
+ .minlen = sizeof(struct nl80211_wowlan_pattern_support),
+ },
+ [NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
+ };
+ struct nl80211_wowlan_pattern_support *pat;
+ int err;
+
+ err = nla_parse_nested(tb_wowlan, MAX_NL80211_WOWLAN_TRIG,
+ tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED],
+ wowlan_policy);
+ printf("\tWoWLAN support:");
+ if (err) {
+ printf(" <failed to parse>\n");
+ } else {
+ printf("\n");
+ if (tb_wowlan[NL80211_WOWLAN_TRIG_ANY])
+ printf("\t\t * wake up on anything (device continues operating normally)\n");
+ if (tb_wowlan[NL80211_WOWLAN_TRIG_DISCONNECT])
+ printf("\t\t * wake up on disconnect\n");
+ if (tb_wowlan[NL80211_WOWLAN_TRIG_MAGIC_PKT])
+ printf("\t\t * wake up on magic packet\n");
+ if (tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
+ pat = nla_data(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]);
+ printf("\t\t * wake up on pattern match, up to %u patterns of %u-%u bytes\n",
+ pat->max_patterns, pat->min_pattern_len, pat->max_pattern_len);
+ }
+ if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
+ printf("\t\t * can do GTK rekeying\n");
+ if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
+ printf("\t\t * wake up on GTK rekey failure\n");
+ if (tb_wowlan[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
+ printf("\t\t * wake up on EAP identity request\n");
+ if (tb_wowlan[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
+ printf("\t\t * wake up on 4-way handshake\n");
+ if (tb_wowlan[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
+ printf("\t\t * wake up on rfkill release\n");
+ }
+ }
+
+ if (tb_msg[NL80211_ATTR_ROAM_SUPPORT])
+ printf("\tDevice supports roaming.\n");
+
+ if (tb_msg[NL80211_ATTR_SUPPORT_AP_UAPSD])
+ printf("\tDevice supports AP-side u-APSD.\n");
+
+ if (tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) {
+ struct ieee80211_ht_cap *cm;
+ printf("\tHT Capability overrides:\n");
+ if (nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) >= sizeof(*cm)) {
+ cm = nla_data(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]);
+ printf("\t\t * MCS: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx"
+ " %02hhx %02hhx %02hhx %02hhx\n",
+ cm->mcs.rx_mask[0], cm->mcs.rx_mask[1],
+ cm->mcs.rx_mask[2], cm->mcs.rx_mask[3],
+ cm->mcs.rx_mask[4], cm->mcs.rx_mask[5],
+ cm->mcs.rx_mask[6], cm->mcs.rx_mask[7],
+ cm->mcs.rx_mask[8], cm->mcs.rx_mask[9]);
+ if (cm->cap_info & htole16(IEEE80211_HT_CAP_MAX_AMSDU))
+ printf("\t\t * maximum A-MSDU length\n");
+ if (cm->cap_info & htole16(IEEE80211_HT_CAP_SUP_WIDTH_20_40))
+ printf("\t\t * supported channel width\n");
+ if (cm->cap_info & htole16(IEEE80211_HT_CAP_SGI_40))
+ printf("\t\t * short GI for 40 MHz\n");
+ if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR)
+ printf("\t\t * max A-MPDU length exponent\n");
+ if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_DENSITY)
+ printf("\t\t * min MPDU start spacing\n");
+ } else {
+ printf("\tERROR: capabilities mask is too short, expected: %d, received: %d\n",
+ (int)(sizeof(*cm)),
+ (int)(nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK])));
+ }
+ }
+
+ if (tb_msg[NL80211_ATTR_FEATURE_FLAGS]) {
+ if (nla_get_u32(tb_msg[NL80211_ATTR_FEATURE_FLAGS]) &
+ NL80211_FEATURE_SK_TX_STATUS)
+ printf("\tDevice supports TX status socket option.\n");
+ if (nla_get_u32(tb_msg[NL80211_ATTR_FEATURE_FLAGS]) &
+ NL80211_FEATURE_HT_IBSS)
+ printf("\tDevice supports HT-IBSS.\n");
+ }
return NL_SKIP;
}
-static int handle_info(struct nl_cb *cb,
+static int handle_info(struct nl80211_state *state,
+ struct nl_cb *cb,
struct nl_msg *msg,
- int argc, char **argv)
+ int argc, char **argv,
+ enum id_input id)
{
nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_phy_handler, NULL);
return 0;
}
-TOPLEVEL(info, NULL, NL80211_CMD_GET_WIPHY, 0, CIB_PHY, handle_info);
-TOPLEVEL(list, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info);
+__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);
projects / thirdparty / iw.git / blobdiff