+#include <stdbool.h>
#include <errno.h>
-#include <linux/nl80211.h>
#include <net/if.h>
#include <netlink/genl/genl.h>
#include <netlink/msg.h>
#include <netlink/attr.h>
+#include "nl80211.h"
#include "iw.h"
static void print_flag(const char *name, int *open)
printf(" (");
else
printf(", ");
- printf(name);
+ 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];
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_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];
struct nlattr *nl_freq;
struct nlattr *nl_rate;
struct nlattr *nl_mode;
- int bandidx = 1;
- int rem_band, rem_freq, rem_rate, rem_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_BANDS])
- return NL_SKIP;
-
- nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) {
- printf("Band %d:\n", bandidx);
- bandidx++;
-
- nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
- nla_len(nl_band), NULL);
-
- printf("\tFrequencies:\n");
-
- nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_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;
- printf("\t\t* %d MHz", nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]));
- open = 0;
- if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
- print_flag("disabled", &open);
- 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);
- if (open)
- printf(")");
- printf("\n");
+ 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]));
+
+ /* 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_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_freq[NL80211_FREQUENCY_ATTR_DISABLED] && 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");
+ if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME])
+ printf("\t\t\t DFS CAC time: %u ms\n",
+ nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]));
+ }
+
+ }
+ }
+
+ 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_WIPHY_FRAG_THRESHOLD]) {
+ unsigned int frag;
- printf("\tBitrates:\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* %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(")");
+ 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_SUPPORTED_IFTYPES])
- return NL_SKIP;
+ 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");
+ }
+ }
- printf("Supported interface modes:\n");
- nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES], rem_mode)
- printf("\t * %s\n", iftype_name(nl_mode->nla_type));
+ 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");
+ }
+ }
- return NL_SKIP;
-}
+ 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_FLAG },
+ [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]) {
+ 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,
+ (nla_len(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) <
+ 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\n");
+ 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;
+ 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_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");
+ }
-static int ack_wait_handler(struct nl_msg *msg, void *arg)
-{
- int *finished = arg;
+ if (tb_msg[NL80211_ATTR_TDLS_SUPPORT])
+ printf("\tDevice supports T-DLS.\n");
+
+ 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);
+ }
- *finished = 1;
- return NL_STOP;
+ return NL_SKIP;
}
-int handle_info(struct nl80211_state *state, char *phy, char *dev)
+static bool nl80211_has_split_wiphy = false;
+
+static int handle_info(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
{
- struct nl_msg *msg;
- int err = -1;
- struct nl_cb *cb;
- int finished;
+ char *feat_args[] = { "features", "-q" };
+ int err;
- msg = nlmsg_alloc();
- if (!msg) {
- fprintf(stderr, "failed to allocate netlink msg\n");
- return -1;
+ err = handle_cmd(state, CIB_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;
}
- genlmsg_put(msg, 0, 0, genl_family_get_id(state->nl80211), 0,
- 0, NL80211_CMD_GET_WIPHY, 0);
- if (dev)
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(dev));
- if (phy)
- return -1; /* XXX TODO */
+ nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_phy_handler, NULL);
- cb = nl_cb_alloc(NL_CB_CUSTOM);
- if (!cb)
- goto out;
+ 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");
- if (nl_send_auto_complete(state->nl_handle, msg) < 0)
- goto out;
+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)
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_phy_handler, NULL);
- nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_wait_handler, &finished);
+ nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+ genlmsg_attrlen(gnlh, 0), NULL);
- err = nl_recvmsgs(state->nl_handle, cb);
+ if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]) {
+ uint32_t feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
- if (!finished)
- err = nl_wait_for_ack(state->nl_handle);
+ 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;
+ }
+ }
- if (err < 0)
- goto out;
- err = 0;
+ return NL_SKIP;
+}
- out:
- nl_cb_put(cb);
- nla_put_failure:
- if (err)
- fprintf(stderr, "failed to get information: %d\n", err);
- nlmsg_free(msg);
- return err;
+static int handle_features(struct nl80211_state *state,
+ struct nl_cb *cb, struct nl_msg *msg,
+ int argc, char **argv, enum id_input id)
+{
+ unsigned long print = argc == 0 || strcmp(argv[0], "-q");
+ nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_feature_handler, (void *)print);
+ return 0;
}
+
+TOPLEVEL(features, "", NL80211_CMD_GET_PROTOCOL_FEATURES, 0, CIB_NONE,
+ handle_features, "");