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.