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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 channel_time;
u64 channel_time_busy;
u64 channel_time_ext_busy;
u64 channel_time_rx;
u64 channel_time_tx;
u32 filled;
s8 noise;
};
MEMBERS
channel
the channel this survey record reports, mandatory
channel_time
amount of time in ms the radio spent on the channel
channel_time_busy
amount of time the primary channel was sensed busy
channel_time_ext_busy
amount of time the extension channel was sensed busy
channel_time_rx
amount of time the radio spent receiving data
channel_time_tx
amount of time the radio spent transmitting data
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
Kernel Hackers Manual 3.11 November 2013 STRUCT SURVEY_INFO(9)
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