]> git.ipfire.org Git - thirdparty/iw.git/blobdiff - info.c
iw: bump version to 4.7
[thirdparty/iw.git] / info.c
diff --git a/info.c b/info.c
index ced78dd09c14a2e9b781d180c5ce3aba91c2d5ca..32de0af1bba18b932f34852fb8895bc4c15734f1 100644 (file)
--- a/info.c
+++ b/info.c
@@ -1,5 +1,4 @@
-#include <errno.h>
-#include <net/if.h>
+#include <stdbool.h>
 
 #include <netlink/genl/genl.h>
 #include <netlink/genl/family.h>
@@ -16,10 +15,64 @@ 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 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 int print_phy_handler(struct nl_msg *msg, void *arg)
 {
        struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
@@ -31,9 +84,10 @@ static int print_phy_handler(struct nl_msg *msg, void *arg)
        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];
@@ -46,150 +100,626 @@ static int print_phy_handler(struct nl_msg *msg, void *arg)
        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;
-
-       if (tb_msg[NL80211_ATTR_WIPHY_NAME])
+       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]));
 
-       nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) {
-               printf("\tBand %d:\n", bandidx);
-               bandidx++;
-
-               nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
-                         nla_len(nl_band), NULL);
-
-#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;
+       /* 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");
+                       }
                        }
-                       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");
                }
-               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);
+       }
+
+       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 (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));
+
+               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_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]);
+       }
+
+       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");
                }
-#endif
-
-               printf("\t\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\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(")");
+       }
+
+       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");
                }
+       }
 
-               printf("\t\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\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_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_SUPPORTED_IFTYPES])
-               return NL_SKIP;
+       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 (tb_msg[NL80211_ATTR_EXT_FEATURES]) {
+               struct nlattr *tb = tb_msg[NL80211_ATTR_EXT_FEATURES];
+
+               if (ext_feature_isset(nla_data(tb), nla_len(tb),
+                                     NL80211_EXT_FEATURE_VHT_IBSS))
+                       printf("\tDevice supports VHT-IBSS.\n");
+       }
+
+       if (tb_msg[NL80211_ATTR_TDLS_SUPPORT])
+               printf("\tDevice supports T-DLS.\n");
 
-       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));
+       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);
+       }
 
        return NL_SKIP;
 }
 
-static int handle_info(struct nl_cb *cb,
+static bool nl80211_has_split_wiphy = false;
+
+static int handle_info(struct nl80211_state *state,
                       struct nl_msg *msg,
-                      int argc, char **argv)
+                      int argc, char **argv,
+                      enum id_input id)
+{
+       char *feat_args[] = { "features", "-q" };
+       int err;
+
+       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;
+       }
+
+       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)
 {
-       nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_phy_handler, NULL);
+       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(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);
+
+TOPLEVEL(features, "", NL80211_CMD_GET_PROTOCOL_FEATURES, 0, CIB_NONE,
+        handle_features, "");