package/iw/patches/120-per_chain_signal_strength.patch

   1 --- a/station.c
   2 +++ b/station.c
   3 @@ -61,6 +61,31 @@ 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 +       snprintf(cur, sizeof(buf) - (cur - buf), "] ");
  28 +
  29 +       return buf;
  30 +}
  31 +
  32  static int print_sta_handler(struct nl_msg *msg, void *arg)
  33  {
  34         struct nlattr *tb[NL80211_ATTR_MAX + 1];
  35 @@ -81,7 +106,10 @@ static int print_sta_handler(struct nl_m
  36                 [NL80211_STA_INFO_PLINK_STATE] = { .type = NLA_U8 },
  37                 [NL80211_STA_INFO_TX_RETRIES] = { .type = NLA_U32 },
  38                 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
  39 +               [NL80211_STA_INFO_CHAIN_SIGNAL] = { .type = NLA_NESTED },
  40 +               [NL80211_STA_INFO_CHAIN_SIGNAL_AVG] = { .type = NLA_NESTED },
  41         };
  42 +       char *chain;
  43
  44         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
  45                   genlmsg_attrlen(gnlh, 0), NULL);
  46 @@ -128,12 +156,18 @@ static int print_sta_handler(struct nl_m
  47         if (sinfo[NL80211_STA_INFO_TX_FAILED])
  48                 printf("\n\ttx failed:\t%u",
  49                         nla_get_u32(sinfo[NL80211_STA_INFO_TX_FAILED]));
  50 +
  51 +       chain = get_chain_signal(sinfo[NL80211_STA_INFO_CHAIN_SIGNAL]);
  52         if (sinfo[NL80211_STA_INFO_SIGNAL])
  53 -               printf("\n\tsignal:  \t%d dBm",
  54 -                       (int8_t)nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]));
  55 +               printf("\n\tsignal:  \t%d %sdBm",
  56 +                       (int8_t)nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]),
  57 +                       chain);
  58 +
  59 +       chain = get_chain_signal(sinfo[NL80211_STA_INFO_CHAIN_SIGNAL_AVG]);
  60         if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
  61 -               printf("\n\tsignal avg:\t%d dBm",
  62 -                       (int8_t)nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]));
  63 +               printf("\n\tsignal avg:\t%d %sdBm",
  64 +                       (int8_t)nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]),
  65 +                       chain);
  66
  67         print_sta_bitrate(sinfo[NL80211_STA_INFO_TX_BITRATE], "tx bitrate");
  68         print_sta_bitrate(sinfo[NL80211_STA_INFO_RX_BITRATE], "rx bitrate");