package/iw/patches/120-ibss_ht.patch

   1 --- a/ibss.c
   2 +++ b/ibss.c
   3 @@ -27,6 +27,7 @@ static int join_ibss(struct nl80211_stat
   4         char *value = NULL, *sptr = NULL;
   5         float rate;
   6         int bintval;
   7 +       unsigned int htval;
   8
   9         if (argc < 2)
  10                 return 1;
  11 @@ -44,6 +45,12 @@ static int join_ibss(struct nl80211_stat
  12         argv++;
  13         argc--;
  14
  15 +       if (argc && parse_channel_type(argv[0], &htval)) {
  16 +               NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, htval);
  17 +               argv++;
  18 +               argc--;
  19 +       }
  20 +
  21         if (argc && strcmp(argv[0], "fixed-freq") == 0) {
  22                 NLA_PUT_FLAG(msg, NL80211_ATTR_FREQ_FIXED);
  23                 argv++;
  24 @@ -134,7 +141,7 @@ COMMAND(ibss, leave, NULL,
  25         NL80211_CMD_LEAVE_IBSS, 0, CIB_NETDEV, leave_ibss,
  26         "Leave the current IBSS cell.");
  27  COMMAND(ibss, join,
  28 -       "<SSID> <freq in MHz> [fixed-freq] [<fixed bssid>] [beacon-interval <TU>]"
  29 +       "<SSID> <freq in MHz> [HT20|HT40+|HT40-] [fixed-freq] [<fixed bssid>] [beacon-interval <TU>]"
  30         " [basic-rates <rate in Mbps,rate2,...>] [mcast-rate <rate in Mbps>] "
  31         "[key d:0:abcde]",
  32         NL80211_CMD_JOIN_IBSS, 0, CIB_NETDEV, join_ibss,
  33 --- a/iw.h
  34 +++ b/iw.h
  35 @@ -130,6 +130,7 @@ void mac_addr_n2a(char *mac_addr, unsign
  36  unsigned char *parse_hex(char *hex, size_t *outlen);
  37
  38  int parse_keys(struct nl_msg *msg, char **argv, int argc);
  39 +int parse_channel_type(const char *str, unsigned int *htval);
  40
  41  void print_ht_mcs(const __u8 *mcs);
  42  void print_ampdu_length(__u8 exponent);
  43 --- a/phy.c
  44 +++ b/phy.c
  45 @@ -33,30 +33,14 @@ static int handle_freqchan(struct nl_msg
  46                            int argc, char **argv)
  47  {
  48         char *end;
  49 -       static const struct {
  50 -               const char *name;
  51 -               unsigned int val;
  52 -       } htmap[] = {
  53 -               { .name = "HT20", .val = NL80211_CHAN_HT20, },
  54 -               { .name = "HT40+", .val = NL80211_CHAN_HT40PLUS, },
  55 -               { .name = "HT40-", .val = NL80211_CHAN_HT40MINUS, },
  56 -       };
  57         unsigned int htval = NL80211_CHAN_NO_HT;
  58         unsigned int freq;
  59 -       int i;
  60
  61         if (!argc || argc > 2)
  62                 return 1;
  63
  64 -       if (argc == 2) {
  65 -               for (i = 0; i < ARRAY_SIZE(htmap); i++) {
  66 -                       if (strcasecmp(htmap[i].name, argv[1]) == 0) {
  67 -                               htval = htmap[i].val;
  68 -                               break;
  69 -                       }
  70 -               }
  71 -               if (htval == NL80211_CHAN_NO_HT)
  72 -                       return 1;
  73 +       if (argc == 2 && !parse_channel_type(argv[1], &htval)) {
  74 +               return 1;
  75         }
  76
  77         if (!*argv[0])
  78 --- a/util.c
  79 +++ b/util.c
  80 @@ -345,6 +345,33 @@ int parse_keys(struct nl_msg *msg, char
  81         return 2;
  82  }
  83
  84 +/*
  85 + * Convert a string "HT20", "HT40+" or "HT40-" into nl80211
  86 + * value. Conversion is case insensitive. Returns 1 on success, 0 on error.
  87 + */
  88 +
  89 +int parse_channel_type(const char *str, unsigned int *htval)
  90 +{
  91 +       static const struct {
  92 +               const char *name;
  93 +               unsigned int val;
  94 +       } htmap[] = {
  95 +               { .name = "HT20", .val = NL80211_CHAN_HT20, },
  96 +               { .name = "HT40+", .val = NL80211_CHAN_HT40PLUS, },
  97 +               { .name = "HT40-", .val = NL80211_CHAN_HT40MINUS, },
  98 +       };
  99 +       int i;
 100 +
 101 +       for (i = 0; i < ARRAY_SIZE(htmap); i++) {
 102 +               if (strcasecmp(htmap[i].name, str) == 0) {
 103 +                       *htval = htmap[i].val;
 104 +                       return 1;
 105 +               }
 106 +       }
 107 +
 108 +       return 0;
 109 +}
 110 +
 111  static void print_mcs_index(const __u8 *mcs)
 112  {
 113         unsigned int mcs_bit, prev_bit = -2, prev_cont = 0;