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path: root/drivers/net/wireless/realtek/rtw89
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Diffstat (limited to 'drivers/net/wireless/realtek/rtw89')
-rw-r--r--drivers/net/wireless/realtek/rtw89/core.c22
-rw-r--r--drivers/net/wireless/realtek/rtw89/core.h18
-rw-r--r--drivers/net/wireless/realtek/rtw89/pci.c2
3 files changed, 41 insertions, 1 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index af8daa101f45..190d72df800f 100644
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -1480,6 +1480,27 @@ static void rtw89_core_hw_to_sband_rate(struct ieee80211_rx_status *rx_status)
rx_status->rate_idx -= 4;
}
+static void rtw89_core_update_radiotap(struct rtw89_dev *rtwdev,
+ struct sk_buff *skb,
+ struct ieee80211_rx_status *rx_status)
+{
+ static const struct ieee80211_radiotap_he known_he = {
+ .data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
+ IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN),
+ .data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN),
+ };
+ struct ieee80211_radiotap_he *he;
+
+ if (!(rtwdev->hw->conf.flags & IEEE80211_CONF_MONITOR))
+ return;
+
+ if (rx_status->encoding == RX_ENC_HE) {
+ rx_status->flag |= RX_FLAG_RADIOTAP_HE;
+ he = skb_push(skb, sizeof(*he));
+ *he = known_he;
+ }
+}
+
static void rtw89_core_rx_to_mac80211(struct rtw89_dev *rtwdev,
struct rtw89_rx_phy_ppdu *phy_ppdu,
struct rtw89_rx_desc_info *desc_info,
@@ -1494,6 +1515,7 @@ static void rtw89_core_rx_to_mac80211(struct rtw89_dev *rtwdev,
rtw89_core_hw_to_sband_rate(rx_status);
rtw89_core_rx_stats(rtwdev, phy_ppdu, desc_info, skb_ppdu);
+ rtw89_core_update_radiotap(rtwdev, skb_ppdu, rx_status);
/* In low power mode, it does RX in thread context. */
local_bh_disable();
ieee80211_rx_napi(rtwdev->hw, NULL, skb_ppdu, napi);
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 1b0acb1c5450..0be8f7bd3ca2 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -35,6 +35,7 @@ extern const struct ieee80211_ops rtw89_ops;
#define RSSI_FACTOR 1
#define RTW89_RSSI_RAW_TO_DBM(rssi) ((s8)((rssi) >> RSSI_FACTOR) - MAX_RSSI)
#define RTW89_TX_DIV_RSSI_RAW_TH (2 << RSSI_FACTOR)
+#define RTW89_RADIOTAP_ROOM ALIGN(sizeof(struct ieee80211_radiotap_he), 64)
#define RTW89_HTC_MASK_VARIANT GENMASK(1, 0)
#define RTW89_HTC_VARIANT_HE 3
@@ -4383,6 +4384,23 @@ static inline struct rtw89_fw_suit *rtw89_fw_suit_get(struct rtw89_dev *rtwdev,
return &fw_info->normal;
}
+static inline struct sk_buff *rtw89_alloc_skb_for_rx(struct rtw89_dev *rtwdev,
+ unsigned int length)
+{
+ struct sk_buff *skb;
+
+ if (rtwdev->hw->conf.flags & IEEE80211_CONF_MONITOR) {
+ skb = dev_alloc_skb(length + RTW89_RADIOTAP_ROOM);
+ if (!skb)
+ return NULL;
+
+ skb_reserve(skb, RTW89_RADIOTAP_ROOM);
+ return skb;
+ }
+
+ return dev_alloc_skb(length);
+}
+
int rtw89_core_tx_write(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, struct sk_buff *skb, int *qsel);
int rtw89_h2c_tx(struct rtw89_dev *rtwdev,
diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c
index 7aa0af18cdd5..1c4500ba777c 100644
--- a/drivers/net/wireless/realtek/rtw89/pci.c
+++ b/drivers/net/wireless/realtek/rtw89/pci.c
@@ -267,7 +267,7 @@ static u32 rtw89_pci_rxbd_deliver_skbs(struct rtw89_dev *rtwdev,
rtw89_core_query_rxdesc(rtwdev, desc_info, skb->data, rxinfo_size);
- new = dev_alloc_skb(desc_info->pkt_size);
+ new = rtw89_alloc_skb_for_rx(rtwdev, desc_info->pkt_size);
if (!new)
goto err_sync_device;