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STRUCT SURVEY_INFO(9) Actions and configuration STRUCT SURVEY_INFO(9)

NAME

struct_survey_info - channel survey response

SYNOPSIS

struct survey_info {
  struct ieee80211_channel * channel;
  u64 time;
  u64 time_busy;
  u64 time_ext_busy;
  u64 time_rx;
  u64 time_tx;
  u64 time_scan;
  u32 filled;
  s8 noise;
};

MEMBERS

channel
the channel this survey record reports, may be NULL for a single record to report global statistics
time
amount of time in ms the radio was turn on (on the channel)
time_busy
amount of time the primary channel was sensed busy
time_ext_busy
amount of time the extension channel was sensed busy
time_rx
amount of time the radio spent receiving data
time_tx
amount of time the radio spent transmitting data
time_scan
amount of time the radio spent for scanning
filled
bitflag of flags from enum survey_info_flags
noise
channel noise in dBm. This and all following fields are optional

DESCRIPTION

Used by dump_survey to report back per-channel survey information.
This structure can later be expanded with things like channel duty cycle etc.

AUTHOR

Johannes Berg <johannes@sipsolutions.net>
Author.

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.