other versions
- wheezy 3.2.78-1
STRUCT SURVEY_INFO(9) | Actions and configuration | STRUCT SURVEY_INFO(9) |
NAME¶
struct_survey_info - channel survey responseSYNOPSIS¶
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¶
channelthe 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¶
March 2016 | Kernel Hackers Manual 3.2. |