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mac80211: rename bss_conf timestamp to last_tsf

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This value is not really very useful by itself,
yet some drivers (including iwlwifi until I can
figure out what it should do) use it. At least
rename it to "last_tsf" to indicate the meaning
and add a note that it may be really old.

I suspect the value may become useful combined
with the rx_status->mactime, but we don't (yet)
store that value and pass it to the driver.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2012-03-13 14:29:30 +01:00
committed by John W. Linville
parent 7b8bcff2e0
commit e9ac0745c7
6 changed files with 8 additions and 7 deletions
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5
include/net/mac80211.h
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@@ -229,7 +229,8 @@ enum ieee80211_rssi_event {
* valid in station mode only while @assoc is true and if also
* requested by %IEEE80211_HW_NEED_DTIM_PERIOD (cf. also hw conf
* @ps_dtim_period)
* @timestamp: beacon timestamp
* @last_tsf: last beacon's/probe response's TSF timestamp (could be old
* as it may have been received during scanning long ago)
* @beacon_int: beacon interval
* @assoc_capability: capabilities taken from assoc resp
* @basic_rates: bitmap of basic rates, each bit stands for an
@@ -276,7 +277,7 @@ struct ieee80211_bss_conf {
u8 dtim_period;
u16 beacon_int;
u16 assoc_capability;
u64 timestamp;
u64 last_tsf;
u32 basic_rates;
int mcast_rate[IEEE80211_NUM_BANDS];
u16 ht_operation_mode;