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[v2] virt_wifi: Return micros for BSS TSF values

Message ID 20210318200419.1421034-1-schuffelen@google.com (mailing list archive)
State Awaiting Upstream
Delegated to: Netdev Maintainers
Headers show
Series [v2] virt_wifi: Return micros for BSS TSF values | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch

Commit Message

A. Cody Schuffelen March 18, 2021, 8:04 p.m. UTC 
cfg80211_inform_bss expects to receive a TSF value, but is given the
time since boot in nanoseconds. TSF values are expected to be at
microsecond scale rather than nanosecond scale.

Signed-off-by: A. Cody Schuffelen <schuffelen@google.com>
---
 drivers/net/wireless/virt_wifi.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/net/wireless/virt_wifi.c b/drivers/net/wireless/virt_wifi.c
index c878097f0dda..1df959532c7d 100644
--- a/drivers/net/wireless/virt_wifi.c
+++ b/drivers/net/wireless/virt_wifi.c
@@ -12,6 +12,7 @@ 
 #include <net/cfg80211.h>
 #include <net/rtnetlink.h>
 #include <linux/etherdevice.h>
+#include <linux/math64.h>
 #include <linux/module.h>
 
 static struct wiphy *common_wiphy;
@@ -168,11 +169,11 @@  static void virt_wifi_scan_result(struct work_struct *work)
 			     scan_result.work);
 	struct wiphy *wiphy = priv_to_wiphy(priv);
 	struct cfg80211_scan_info scan_info = { .aborted = false };
+	u64 tsf = div_u64(ktime_get_boottime_ns(), 1000);
 
 	informed_bss = cfg80211_inform_bss(wiphy, &channel_5ghz,
 					   CFG80211_BSS_FTYPE_PRESP,
-					   fake_router_bssid,
-					   ktime_get_boottime_ns(),
+					   fake_router_bssid, tsf,
 					   WLAN_CAPABILITY_ESS, 0,
 					   (void *)&ssid, sizeof(ssid),
 					   DBM_TO_MBM(-50), GFP_KERNEL);