Make hwsim TSF offset adjustments cumulative and relative
to the fake PHY TSF. Now adding 1000us, then adding -1000us
doesn't result in a tsf_offset of -1000. Also the beacon
timestamp can now correctly be expressed as (tsf +
data->tsf_offset), which will be done in a later patch.
Signed-off-by: Thomas Pedersen <thomas@xxxxxxxxxxx>
---
drivers/net/wireless/mac80211_hwsim.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index ff90855..59761fb 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -357,7 +357,7 @@ struct mac80211_hwsim_data {
int power_level;
/* difference between this hw's clock and the real clock, in usecs */
- u64 tsf_offset;
+ s64 tsf_offset;
};
@@ -423,9 +423,10 @@ static void mac80211_hwsim_set_tsf(struct ieee80211_hw *hw,
struct ieee80211_vif *vif, u64 tsf)
{
struct mac80211_hwsim_data *data = hw->priv;
- struct timeval tv = ktime_to_timeval(ktime_get_real());
- u64 now = tv.tv_sec * USEC_PER_SEC + tv.tv_usec;
- data->tsf_offset = tsf - now;
+ u64 now = mac80211_hwsim_get_tsf(hw, vif);
+ s64 delta = tsf - now;
+
+ data->tsf_offset += delta;
}
static void mac80211_hwsim_monitor_rx(struct ieee80211_hw *hw,
--
1.7.10.4
--
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