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wifi: rtw89: report boottime of receiving beacon and probe response

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Userspace tools will parse NL80211_BSS_LAST_SEEN_BOOTTIME (if any) for a
more accurate timing when a BSS was seen. For example, iw, wpa_supplicant.
For beacon and probe response, fill RX boottime_ns in ieee80211_rx_status.
And for certain, it shouldn't count the waiting time for the PPDU status,
i.e. the possible buffering time of a frame in driver.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250618124649.11436-6-pkshih@realtek.com
This commit is contained in:
Zong-Zhe Yang 2025-06-18 20:46:48 +08:00 committed by Ping-Ke Shih
parent 7e04f01bb9
commit c2852b5a05
1 changed files with 7 additions and 1 deletions
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8
drivers/net/wireless/realtek/rtw89/core.c
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@ -2796,9 +2796,11 @@ static void rtw89_core_stats_sta_rx_status(struct rtw89_dev *rtwdev,
}
static void rtw89_core_update_rx_status(struct rtw89_dev *rtwdev,
struct sk_buff *skb,
struct rtw89_rx_desc_info *desc_info,
struct ieee80211_rx_status *rx_status)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
const struct cfg80211_chan_def *chandef =
rtw89_chandef_get(rtwdev, RTW89_CHANCTX_0);
u16 data_rate;
@ -2810,6 +2812,10 @@ static void rtw89_core_update_rx_status(struct rtw89_dev *rtwdev,
rx_status->freq = chandef->chan->center_freq;
rx_status->band = chandef->chan->band;
if (ieee80211_is_beacon(hdr->frame_control) ||
ieee80211_is_probe_resp(hdr->frame_control))
rx_status->boottime_ns = ktime_get_boottime_ns();
if (rtwdev->scanning &&
RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD, &rtwdev->fw)) {
const struct rtw89_chan *cur = rtw89_scan_chan_get(rtwdev);
@ -2966,7 +2972,7 @@ void rtw89_core_rx(struct rtw89_dev *rtwdev,
rx_status = IEEE80211_SKB_RXCB(skb);
memset(rx_status, 0, sizeof(*rx_status));
rtw89_core_update_rx_status(rtwdev, desc_info, rx_status);
rtw89_core_update_rx_status(rtwdev, skb, desc_info, rx_status);
rtw89_core_rx_pkt_hdl(rtwdev, skb, desc_info);
if (desc_info->long_rxdesc &&
BIT(desc_info->frame_type) & PPDU_FILTER_BITMAP)