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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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2
net/mac80211/driver-trace.h
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@@ -296,7 +296,7 @@ TRACE_EVENT(drv_bss_info_changed,
__entry->dtimper = info->dtim_period;
__entry->bcnint = info->beacon_int;
__entry->assoc_cap = info->assoc_capability;
__entry->timestamp = info->timestamp;
__entry->timestamp = info->last_tsf;
__entry->basic_rates = info->basic_rates;
__entry->enable_beacon = info->enable_beacon;
__entry->ht_operation_mode = info->ht_operation_mode;

2
net/mac80211/mlme.c
View File

@@ -1318,7 +1318,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
bss_info_changed |= BSS_CHANGED_ASSOC;
/* set timing information */
bss_conf->beacon_int = cbss->beacon_interval;
bss_conf->timestamp = cbss->tsf;
bss_conf->last_tsf = cbss->tsf;
bss_info_changed |= BSS_CHANGED_BEACON_INT;
bss_info_changed |= ieee80211_handle_bss_capability(sdata,