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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.