package/hostapd/patches/604-wpa_s-support-htmode-param.patch

   1 From b9329c5dfeed7d5c55d2117d8dfe326fc40c8fb1 Mon Sep 17 00:00:00 2001
   2 From: Antonio Quartulli <ordex@autistici.org>
   3 Date: Tue, 3 Jul 2012 00:36:24 +0200
   4 Subject: [PATCH] wpa_s: support htmode param
   5
   6 possible values are HT20, HT40-, HT40+ and NOHT
   7
   8 Signed-off-by: Antonio Quartulli <ordex@autistici.org>
   9 ---
  10  src/drivers/driver.h            |    2 ++
  11  src/drivers/driver_nl80211.c    |   16 ++++++++++
  12  wpa_supplicant/config.c         |   66 +++++++++++++++++++++++++++++++++++++++
  13  wpa_supplicant/config_ssid.h    |    2 ++
  14  wpa_supplicant/wpa_supplicant.c |    2 ++
  15  5 files changed, 88 insertions(+)
  16
  17 diff --git a/src/drivers/driver.h b/src/drivers/driver.h
  18 index dda2fbc..28bd181 100644
  19 --- a/src/drivers/driver.h
  20 +++ b/src/drivers/driver.h
  21 @@ -337,6 +337,8 @@ struct wpa_driver_associate_params {
  22         int fixed_freq;
  23         unsigned char rates[NL80211_MAX_SUPP_RATES];
  24         int mcast_rate;
  25 +       int ht_set;
  26 +       unsigned int htmode;
  27
  28         /**
  29          * bg_scan_period - Background scan period in seconds, 0 to disable
  30 diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
  31 index 9783c96..d1257a7 100644
  32 --- a/src/drivers/driver_nl80211.c
  33 +++ b/src/drivers/driver_nl80211.c
  34 @@ -6493,6 +6493,22 @@ retry:
  35                 NLA_PUT_U32(msg, NL80211_ATTR_MCAST_RATE, params->mcast_rate);
  36         }
  37
  38 +       if (params->ht_set) {
  39 +               switch(params->htmode) {
  40 +                       case NL80211_CHAN_HT20:
  41 +                               wpa_printf(MSG_DEBUG, "  * ht=HT20");
  42 +                               break;
  43 +                       case NL80211_CHAN_HT40PLUS:
  44 +                               wpa_printf(MSG_DEBUG, "  * ht=HT40+");
  45 +                               break;
  46 +                       case NL80211_CHAN_HT40MINUS:
  47 +                               wpa_printf(MSG_DEBUG, "  * ht=HT40-");
  48 +                               break;
  49 +               }
  50 +               NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
  51 +                           params->htmode);
  52 +       }
  53 +
  54         ret = nl80211_set_conn_keys(params, msg);
  55         if (ret)
  56                 goto nla_put_failure;
  57 diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
  58 index 3d6c0e6..d96b2ea 100644
  59 --- a/wpa_supplicant/config.c
  60 +++ b/wpa_supplicant/config.c
  61 @@ -1468,6 +1468,71 @@ static char * wpa_config_write_mcast_rate(const struct parse_data *data,
  62  }
  63  #endif /* NO_CONFIG_WRITE */
  64
  65 +static int wpa_config_parse_htmode(const struct parse_data *data,
  66 +                                  struct wpa_ssid *ssid, int line,
  67 +                                  const char *value)
  68 +{
  69 +       int i;
  70 +       static const struct {
  71 +               const char *name;
  72 +               unsigned int val;
  73 +       } htmap[] = {
  74 +               { .name = "HT20", .val = NL80211_CHAN_HT20, },
  75 +               { .name = "HT40+", .val = NL80211_CHAN_HT40PLUS, },
  76 +               { .name = "HT40-", .val = NL80211_CHAN_HT40MINUS, },
  77 +               { .name = "NOHT", .val = NL80211_CHAN_NO_HT, },
  78 +       };
  79 +       ssid->ht_set = 0;;
  80 +       for (i = 0; i < 4; i++) {
  81 +               if (strcasecmp(htmap[i].name, value) == 0) {
  82 +                       ssid->htmode = htmap[i].val;
  83 +                       ssid->ht_set = 1;
  84 +                       break;
  85 +               }
  86 +       }
  87 +
  88 +       return 0;
  89 +}
  90 +
  91 +#ifndef NO_CONFIG_WRITE
  92 +static char * wpa_config_write_htmode(const struct parse_data *data,
  93 +                                     struct wpa_ssid *ssid)
  94 +{
  95 +       char *value;
  96 +       int res;
  97 +
  98 +       value = os_malloc(6); /* longest: HT40+ */
  99 +       if (value == NULL)
 100 +               return NULL;
 101 +
 102 +       switch(ssid->htmode) {
 103 +               case NL80211_CHAN_HT20:
 104 +                       res = os_snprintf(value, 4, "HT20");
 105 +                       break;
 106 +               case NL80211_CHAN_HT40PLUS:
 107 +                       res = os_snprintf(value, 5, "HT40+");
 108 +                       break;
 109 +               case NL80211_CHAN_HT40MINUS:
 110 +                       res = os_snprintf(value, 5, "HT40-");
 111 +                       break;
 112 +               case NL80211_CHAN_NO_HT:
 113 +                       res = os_snprintf(value, 4, "NOHT");
 114 +                       break;
 115 +               default:
 116 +                       os_free(value);
 117 +                       return NULL;
 118 +       }
 119 +
 120 +       if (res < 0) {
 121 +               os_free(value);
 122 +               return NULL;
 123 +       }
 124 +
 125 +       return value;
 126 +}
 127 +#endif /* NO_CONFIG_WRITE */
 128 +
 129 +
 130  static int wpa_config_parse_rates(const struct parse_data *data,
 131                                   struct wpa_ssid *ssid, int line,
 132                                   const char *value)
 133 @@ -1706,6 +1771,7 @@ static const struct parse_data ssid_fields[] = {
 134         { INT_RANGE(beacon_interval, 0, 1000) },
 135         { FUNC(rates) },
 136         { FUNC(mcast_rate) },
 137 +       { FUNC(htmode) },
 138  };
 139
 140  #undef OFFSET
 141 diff --git a/wpa_supplicant/config_ssid.h b/wpa_supplicant/config_ssid.h
 142 index 8d152a4..7143277 100644
 143 --- a/wpa_supplicant/config_ssid.h
 144 +++ b/wpa_supplicant/config_ssid.h
 145 @@ -505,6 +505,8 @@ struct wpa_ssid {
 146         int beacon_interval;
 147         unsigned char rates[NL80211_MAX_SUPP_RATES];
 148         double mcast_rate;
 149 +       int ht_set;
 150 +       unsigned int htmode;
 151  };
 152
 153  #endif /* CONFIG_SSID_H */
 154 diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
 155 index 59efa16..fc8762f 100644
 156 --- a/wpa_supplicant/wpa_supplicant.c
 157 +++ b/wpa_supplicant/wpa_supplicant.c
 158 @@ -1379,6 +1379,8 @@ void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 159                         i++;
 160                 }
 161                 params.mcast_rate = ssid->mcast_rate;
 162 +               params.ht_set = ssid->ht_set;
 163 +               params.htmode = ssid->htmode;
 164         }
 165
 166         params.wpa_ie = wpa_ie;
 167 --
 168 1.7.9.4
 169