package/mac80211/patches/524-mac80211_survey_channel_stats.patch

   1 --- a/include/linux/nl80211.h
   2 +++ b/include/linux/nl80211.h
   3 @@ -1413,6 +1413,16 @@ enum nl80211_reg_rule_flags {
   4   * @NL80211_SURVEY_INFO_FREQUENCY: center frequency of channel
   5   * @NL80211_SURVEY_INFO_NOISE: noise level of channel (u8, dBm)
   6   * @NL80211_SURVEY_INFO_IN_USE: channel is currently being used
   7 + * @NL80211_SURVEY_INFO_CHANNEL_TIME: amount of time (in ms) that the radio
   8 + *     spent on this channel
   9 + * @NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY: amount of the time the primary
  10 + *     channel was sensed busy (either due to activity or energy detect)
  11 + * @NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY: amount of time the extension
  12 + *     channel was sensed busy
  13 + * @NL80211_SURVEY_INFO_CHANNEL_TIME_RX: amount of time the radio spent
  14 + *     receiving data
  15 + * @NL80211_SURVEY_INFO_CHANNEL_TIME_TX: amount of time the radio spent
  16 + *     transmitting data
  17   * @NL80211_SURVEY_INFO_MAX: highest survey info attribute number
  18   *     currently defined
  19   * @__NL80211_SURVEY_INFO_AFTER_LAST: internal use
  20 @@ -1422,6 +1432,11 @@ enum nl80211_survey_info {
  21         NL80211_SURVEY_INFO_FREQUENCY,
  22         NL80211_SURVEY_INFO_NOISE,
  23         NL80211_SURVEY_INFO_IN_USE,
  24 +       NL80211_SURVEY_INFO_CHANNEL_TIME,
  25 +       NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
  26 +       NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
  27 +       NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
  28 +       NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
  29
  30         /* keep last */
  31         __NL80211_SURVEY_INFO_AFTER_LAST,
  32 --- a/include/net/cfg80211.h
  33 +++ b/include/net/cfg80211.h
  34 @@ -295,6 +295,11 @@ struct key_params {
  35   *
  36   * @SURVEY_INFO_NOISE_DBM: noise (in dBm) was filled in
  37   * @SURVEY_INFO_IN_USE: channel is currently being used
  38 + * @SURVEY_INFO_CHANNEL_TIME: channel active time (in ms) was filled in
  39 + * @SURVEY_INFO_CHANNEL_TIME_BUSY: channel busy time was filled in
  40 + * @SURVEY_INFO_CHANNEL_TIME_EXT_BUSY: extension channel busy time was filled in
  41 + * @SURVEY_INFO_CHANNEL_TIME_RX: channel receive time was filled in
  42 + * @SURVEY_INFO_CHANNEL_TIME_TX: channel transmit time was filled in
  43   *
  44   * Used by the driver to indicate which info in &struct survey_info
  45   * it has filled in during the get_survey().
  46 @@ -302,6 +307,11 @@ struct key_params {
  47  enum survey_info_flags {
  48         SURVEY_INFO_NOISE_DBM = 1<<0,
  49         SURVEY_INFO_IN_USE = 1<<1,
  50 +       SURVEY_INFO_CHANNEL_TIME = 1<<2,
  51 +       SURVEY_INFO_CHANNEL_TIME_BUSY = 1<<3,
  52 +       SURVEY_INFO_CHANNEL_TIME_EXT_BUSY = 1<<4,
  53 +       SURVEY_INFO_CHANNEL_TIME_RX = 1<<5,
  54 +       SURVEY_INFO_CHANNEL_TIME_TX = 1<<6,
  55  };
  56
  57  /**
  58 @@ -311,6 +321,11 @@ enum survey_info_flags {
  59   * @filled: bitflag of flags from &enum survey_info_flags
  60   * @noise: channel noise in dBm. This and all following fields are
  61   *     optional
  62 + * @channel_time: amount of time in ms the radio spent on the channel
  63 + * @channel_time_busy: amount of time the primary channel was sensed busy
  64 + * @channel_time_ext_busy: amount of time the extension channel was sensed busy
  65 + * @channel_time_rx: amount of time the radio spent receiving data
  66 + * @channel_time_tx: amount of time the radio spent transmitting data
  67   *
  68   * Used by dump_survey() to report back per-channel survey information.
  69   *
  70 @@ -319,6 +334,11 @@ enum survey_info_flags {
  71   */
  72  struct survey_info {
  73         struct ieee80211_channel *channel;
  74 +       u64 channel_time;
  75 +       u64 channel_time_busy;
  76 +       u64 channel_time_ext_busy;
  77 +       u64 channel_time_rx;
  78 +       u64 channel_time_tx;
  79         u32 filled;
  80         s8 noise;
  81  };
  82 --- a/net/wireless/nl80211.c
  83 +++ b/net/wireless/nl80211.c
  84 @@ -3153,6 +3153,21 @@ static int nl80211_send_survey(struct sk
  85                             survey->noise);
  86         if (survey->filled & SURVEY_INFO_IN_USE)
  87                 NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE);
  88 +       if (survey->filled & SURVEY_INFO_CHANNEL_TIME)
  89 +               NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
  90 +                           survey->channel_time);
  91 +       if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
  92 +               NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
  93 +                           survey->channel_time_busy);
  94 +       if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
  95 +               NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
  96 +                           survey->channel_time_ext_busy);
  97 +       if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX)
  98 +               NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
  99 +                           survey->channel_time_rx);
 100 +       if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX)
 101 +               NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
 102 +                           survey->channel_time_tx);
 103
 104         nla_nest_end(msg, infoattr);
 105