package/iw/patches/110-per_chain_signal_strength.patch

   1 --- a/station.c
   2 +++ b/station.c
   3 @@ -61,6 +61,33 @@ static void print_sta_bitrate(struct nla
   4         }
   5  }
   6
   7 +static char *get_chain_signal(struct nlattr *attr_list)
   8 +{
   9 +       struct nlattr *attr;
  10 +       static char buf[64];
  11 +       char *cur = buf;
  12 +       int i = 0, rem;
  13 +       const char *prefix;
  14 +
  15 +       if (!attr_list)
  16 +               return "";
  17 +
  18 +       nla_for_each_nested(attr, attr_list, rem) {
  19 +               if (i++ > 0)
  20 +                       prefix = ", ";
  21 +               else
  22 +                       prefix = "[";
  23 +
  24 +               cur += snprintf(cur, sizeof(buf) - (cur - buf), "%s%d", prefix,
  25 +                               (int8_t) nla_get_u8(attr));
  26 +       }
  27 +
  28 +       if (i)
  29 +               snprintf(cur, sizeof(buf) - (cur - buf), "] ");
  30 +
  31 +       return buf;
  32 +}
  33 +
  34  static int print_sta_handler(struct nl_msg *msg, void *arg)
  35  {
  36         struct nlattr *tb[NL80211_ATTR_MAX + 1];
  37 @@ -84,7 +111,10 @@ static int print_sta_handler(struct nl_m
  38                 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
  39                 [NL80211_STA_INFO_STA_FLAGS] =
  40                         { .minlen = sizeof(struct nl80211_sta_flag_update) },
  41 +               [NL80211_STA_INFO_CHAIN_SIGNAL] = { .type = NLA_NESTED },
  42 +               [NL80211_STA_INFO_CHAIN_SIGNAL_AVG] = { .type = NLA_NESTED },
  43         };
  44 +       char *chain;
  45
  46         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
  47                   genlmsg_attrlen(gnlh, 0), NULL);
  48 @@ -131,12 +161,18 @@ static int print_sta_handler(struct nl_m
  49         if (sinfo[NL80211_STA_INFO_TX_FAILED])
  50                 printf("\n\ttx failed:\t%u",
  51                         nla_get_u32(sinfo[NL80211_STA_INFO_TX_FAILED]));
  52 +
  53 +       chain = get_chain_signal(sinfo[NL80211_STA_INFO_CHAIN_SIGNAL]);
  54         if (sinfo[NL80211_STA_INFO_SIGNAL])
  55 -               printf("\n\tsignal:  \t%d dBm",
  56 -                       (int8_t)nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]));
  57 +               printf("\n\tsignal:  \t%d %sdBm",
  58 +                       (int8_t)nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]),
  59 +                       chain);
  60 +
  61 +       chain = get_chain_signal(sinfo[NL80211_STA_INFO_CHAIN_SIGNAL_AVG]);
  62         if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
  63 -               printf("\n\tsignal avg:\t%d dBm",
  64 -                       (int8_t)nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]));
  65 +               printf("\n\tsignal avg:\t%d %sdBm",
  66 +                       (int8_t)nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]),
  67 +                       chain);
  68
  69         print_sta_bitrate(sinfo[NL80211_STA_INFO_TX_BITRATE], "tx bitrate");
  70         print_sta_bitrate(sinfo[NL80211_STA_INFO_RX_BITRATE], "rx bitrate");