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authorRyder Lee <ryder.lee@mediatek.com>2021-03-29 19:25:00 +0200
committerFelix Fietkau <nbd@nbd.name>2021-04-12 23:07:24 +0200
commit0fda6d7bb5a29b241fba8d37b92567c6bec79655 (patch)
treebbe0ad24a13d855bd21cc8ec35e564d2c51e130a /drivers/net/wireless/mediatek/mt76/mt7603
parentmt76: mt7921: remove 80+80 MHz support capabilities (diff)
downloadlinux-0fda6d7bb5a29b241fba8d37b92567c6bec79655.tar.xz
linux-0fda6d7bb5a29b241fba8d37b92567c6bec79655.zip
mt76: report Rx timestamp
Frame reception timestamp (low 32-bits) that indicates the value of the local TSF timer value at the time the first bit of the MAC header in the received frame (PPDU unit) arriving at the MAC. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7603')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7603/init.c3
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7603/mac.c31
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h2
3 files changed, 21 insertions, 15 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/init.c b/drivers/net/wireless/mediatek/mt76/mt7603/init.c
index f0b879c3eba8..e1b2cfa56074 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/init.c
@@ -548,6 +548,9 @@ int mt7603_register_device(struct mt7603_dev *dev)
hw->max_report_rates = 7;
hw->max_rate_tries = 11;
+ hw->radiotap_timestamp.units_pos =
+ IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
+
hw->sta_data_size = sizeof(struct mt7603_sta);
hw->vif_data_size = sizeof(struct mt7603_vif);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
index c29b60a87819..e3a9dd6fbd87 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
@@ -532,20 +532,6 @@ mt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb)
status->flag |= RX_FLAG_MMIC_STRIPPED | RX_FLAG_MIC_STRIPPED;
}
- if (!(rxd2 & (MT_RXD2_NORMAL_NON_AMPDU_SUB |
- MT_RXD2_NORMAL_NON_AMPDU))) {
- status->flag |= RX_FLAG_AMPDU_DETAILS;
-
- /* all subframes of an A-MPDU have the same timestamp */
- if (dev->rx_ampdu_ts != rxd[12]) {
- if (!++dev->ampdu_ref)
- dev->ampdu_ref++;
- }
- dev->rx_ampdu_ts = rxd[12];
-
- status->ampdu_ref = dev->ampdu_ref;
- }
-
remove_pad = rxd1 & MT_RXD1_NORMAL_HDR_OFFSET;
if (rxd2 & MT_RXD2_NORMAL_MAX_LEN_ERROR)
@@ -579,6 +565,23 @@ mt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb)
return -EINVAL;
}
if (rxd0 & MT_RXD0_NORMAL_GROUP_2) {
+ status->timestamp = le32_to_cpu(rxd[0]);
+ status->flag |= RX_FLAG_MACTIME_START;
+
+ if (!(rxd2 & (MT_RXD2_NORMAL_NON_AMPDU_SUB |
+ MT_RXD2_NORMAL_NON_AMPDU))) {
+ status->flag |= RX_FLAG_AMPDU_DETAILS;
+
+ /* all subframes of an A-MPDU have the same timestamp */
+ if (dev->rx_ampdu_ts != status->timestamp) {
+ if (!++dev->ampdu_ref)
+ dev->ampdu_ref++;
+ }
+ dev->rx_ampdu_ts = status->timestamp;
+
+ status->ampdu_ref = dev->ampdu_ref;
+ }
+
rxd += 2;
if ((u8 *)rxd - skb->data >= skb->len)
return -EINVAL;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h b/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h
index b787c56fd8d6..1df5b9fed2bb 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h
@@ -120,7 +120,7 @@ struct mt7603_dev {
unsigned long last_cca_adj;
u32 ampdu_ref;
- __le32 rx_ampdu_ts;
+ u32 rx_ampdu_ts;
u8 rssi_offset[3];
u8 slottime;