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path: root/package/kernel/mac80211/patches/330-v4.18-0002-brcmfmac-reports-boottime_ns-while-informing-bss.patch
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From 7742fce4c007141617dab9bcb90034b3c0fe2347 Mon Sep 17 00:00:00 2001
From: Franky Lin <franky.lin@broadcom.com>
Date: Thu, 26 Apr 2018 12:18:35 +0200
Subject: [PATCH] brcmfmac: reports boottime_ns while informing bss

Provides a timestamp in bss information so user space can see when the
bss info was updated. Since tsf is not available from the dongle events
boottime is reported instead.

Reported-by: Dmitry Shmidt <dimitrysh@google.com>
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
 .../broadcom/brcm80211/brcmfmac/cfg80211.c         | 26 +++++++++++-----------
 1 file changed, 13 insertions(+), 13 deletions(-)

--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -2728,7 +2728,6 @@ static s32 brcmf_inform_single_bss(struc
 				   struct brcmf_bss_info_le *bi)
 {
 	struct wiphy *wiphy = cfg_to_wiphy(cfg);
-	struct ieee80211_channel *notify_channel;
 	struct cfg80211_bss *bss;
 	struct ieee80211_supported_band *band;
 	struct brcmu_chan ch;
@@ -2738,7 +2737,7 @@ static s32 brcmf_inform_single_bss(struc
 	u16 notify_interval;
 	u8 *notify_ie;
 	size_t notify_ielen;
-	s32 notify_signal;
+	struct cfg80211_inform_bss bss_data = { 0 };
 
 	if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
 		brcmf_err("Bss info is larger than buffer. Discarding\n");
@@ -2758,27 +2757,28 @@ static s32 brcmf_inform_single_bss(struc
 		band = wiphy->bands[NL80211_BAND_5GHZ];
 
 	freq = ieee80211_channel_to_frequency(channel, band->band);
-	notify_channel = ieee80211_get_channel(wiphy, freq);
+	bss_data.chan = ieee80211_get_channel(wiphy, freq);
+	bss_data.scan_width = NL80211_BSS_CHAN_WIDTH_20;
+	bss_data.boottime_ns = ktime_to_ns(ktime_get_boottime());
 
 	notify_capability = le16_to_cpu(bi->capability);
 	notify_interval = le16_to_cpu(bi->beacon_period);
 	notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
 	notify_ielen = le32_to_cpu(bi->ie_length);
-	notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
+	bss_data.signal = (s16)le16_to_cpu(bi->RSSI) * 100;
 
 	brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
 	brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
 	brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
 	brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
-	brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
+	brcmf_dbg(CONN, "Signal: %d\n", bss_data.signal);
 
-	bss = cfg80211_inform_bss(wiphy, notify_channel,
-				  CFG80211_BSS_FTYPE_UNKNOWN,
-				  (const u8 *)bi->BSSID,
-				  0, notify_capability,
-				  notify_interval, notify_ie,
-				  notify_ielen, notify_signal,
-				  GFP_KERNEL);
+	bss = cfg80211_inform_bss_data(wiphy, &bss_data,
+				       CFG80211_BSS_FTYPE_UNKNOWN,
+				       (const u8 *)bi->BSSID,
+				       0, notify_capability,
+				       notify_interval, notify_ie,
+				       notify_ielen, GFP_KERNEL);
 
 	if (!bss)
 		return -ENOMEM;