This is a note to let you know that I've just added the patch titled
ath11k: fix packet drops due to incorrect 6 GHz freq value in rx status
to the 5.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ath11k-fix-packet-drops-due-to-incorrect-6-ghz-freq-.patch
and it can be found in the queue-5.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c4e550419a36656785d3e0ba53d8cb3998ecd7ab
Author: Pradeep Kumar Chitrapu <pradeepc@xxxxxxxxxxxxxx>
Date: Tue Sep 28 14:00:43 2021 +0300
ath11k: fix packet drops due to incorrect 6 GHz freq value in rx status
[ Upstream commit 9d6ae1f5cf733c0e8d7f904c501fd015c4b9f0f4 ]
Frequency in rx status is being filled incorrectly in the 6 GHz band as
channel number received is invalid in this case which is causing packet
drops. So fix that.
Fixes: 5dcf42f8b79d ("ath11k: Use freq instead of channel number in rx path")
Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@xxxxxxxxxxxxxx>
Signed-off-by: Jouni Malinen <jouni@xxxxxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210722102054.43419-2-jouni@xxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c
index d4f7304a35ec1..9e225f322a24d 100644
--- a/drivers/net/wireless/ath/ath11k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
@@ -2342,8 +2342,10 @@ static void ath11k_dp_rx_h_ppdu(struct ath11k *ar, struct hal_rx_desc *rx_desc,
channel_num = meta_data;
center_freq = meta_data >> 16;
- if (center_freq >= 5935 && center_freq <= 7105) {
+ if (center_freq >= ATH11K_MIN_6G_FREQ &&
+ center_freq <= ATH11K_MAX_6G_FREQ) {
rx_status->band = NL80211_BAND_6GHZ;
+ rx_status->freq = center_freq;
} else if (channel_num >= 1 && channel_num <= 14) {
rx_status->band = NL80211_BAND_2GHZ;
} else if (channel_num >= 36 && channel_num <= 173) {
@@ -2361,8 +2363,9 @@ static void ath11k_dp_rx_h_ppdu(struct ath11k *ar, struct hal_rx_desc *rx_desc,
rx_desc, sizeof(struct hal_rx_desc));
}
- rx_status->freq = ieee80211_channel_to_frequency(channel_num,
- rx_status->band);
+ if (rx_status->band != NL80211_BAND_6GHZ)
+ rx_status->freq = ieee80211_channel_to_frequency(channel_num,
+ rx_status->band);
ath11k_dp_rx_h_rate(ar, rx_desc, rx_status);
}
diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index a53eef8e2631c..99c0b81e496bf 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -6127,8 +6127,10 @@ static void ath11k_mgmt_rx_event(struct ath11k_base *ab, struct sk_buff *skb)
if (rx_ev.status & WMI_RX_STATUS_ERR_MIC)
status->flag |= RX_FLAG_MMIC_ERROR;
- if (rx_ev.chan_freq >= ATH11K_MIN_6G_FREQ) {
+ if (rx_ev.chan_freq >= ATH11K_MIN_6G_FREQ &&
+ rx_ev.chan_freq <= ATH11K_MAX_6G_FREQ) {
status->band = NL80211_BAND_6GHZ;
+ status->freq = rx_ev.chan_freq;
} else if (rx_ev.channel >= 1 && rx_ev.channel <= 14) {
status->band = NL80211_BAND_2GHZ;
} else if (rx_ev.channel >= 36 && rx_ev.channel <= ATH11K_MAX_5G_CHAN) {
@@ -6149,8 +6151,10 @@ static void ath11k_mgmt_rx_event(struct ath11k_base *ab, struct sk_buff *skb)
sband = &ar->mac.sbands[status->band];
- status->freq = ieee80211_channel_to_frequency(rx_ev.channel,
- status->band);
+ if (status->band != NL80211_BAND_6GHZ)
+ status->freq = ieee80211_channel_to_frequency(rx_ev.channel,
+ status->band);
+
status->signal = rx_ev.snr + ATH11K_DEFAULT_NOISE_FLOOR;
status->rate_idx = ath11k_mac_bitrate_to_idx(sband, rx_ev.rate / 100);
