diff options
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 12 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 75 |
2 files changed, 85 insertions, 2 deletions
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h index bb000dd2c333..d6d1be4169e5 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h @@ -1183,13 +1183,16 @@ struct rtl8723bu_c2h { } __packed bt_info; struct { u8 rate:7; - u8 dummy0_0:1; + u8 sgi:1; u8 macid; u8 ldpc:1; u8 txbf:1; u8 noisy_state:1; u8 dummy2_0:5; u8 dummy3_0; + u8 dummy4_0; + u8 dummy5_0; + u8 bw; } __packed ra_report; }; }; @@ -1269,6 +1272,12 @@ struct rtl8xxxu_btcoex { #define RTL8XXXU_SNR_THRESH_HIGH 50 #define RTL8XXXU_SNR_THRESH_LOW 20 +struct rtl8xxxu_ra_report { + struct rate_info txrate; + u32 bit_rate; + u8 desc_rate; +}; + struct rtl8xxxu_priv { struct ieee80211_hw *hw; struct usb_device *udev; @@ -1384,6 +1393,7 @@ struct rtl8xxxu_priv { struct sk_buff_head c2hcmd_queue; spinlock_t c2hcmd_lock; struct rtl8xxxu_btcoex bt_coex; + struct rtl8xxxu_ra_report ra_report; }; struct rtl8xxxu_rx_urb { diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index c334418cd7ae..19efae462a24 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -5389,6 +5389,35 @@ void rtl8723bu_handle_bt_info(struct rtl8xxxu_priv *priv) } } +static struct ieee80211_rate rtl8xxxu_legacy_ratetable[] = { + {.bitrate = 10, .hw_value = 0x00,}, + {.bitrate = 20, .hw_value = 0x01,}, + {.bitrate = 55, .hw_value = 0x02,}, + {.bitrate = 110, .hw_value = 0x03,}, + {.bitrate = 60, .hw_value = 0x04,}, + {.bitrate = 90, .hw_value = 0x05,}, + {.bitrate = 120, .hw_value = 0x06,}, + {.bitrate = 180, .hw_value = 0x07,}, + {.bitrate = 240, .hw_value = 0x08,}, + {.bitrate = 360, .hw_value = 0x09,}, + {.bitrate = 480, .hw_value = 0x0a,}, + {.bitrate = 540, .hw_value = 0x0b,}, +}; + +static void rtl8xxxu_desc_to_mcsrate(u16 rate, u8 *mcs, u8 *nss) +{ + if (rate <= DESC_RATE_54M) + return; + + if (rate >= DESC_RATE_MCS0 && rate <= DESC_RATE_MCS15) { + if (rate < DESC_RATE_MCS8) + *nss = 1; + else + *nss = 2; + *mcs = rate - DESC_RATE_MCS0; + } +} + static void rtl8xxxu_c2hcmd_callback(struct work_struct *work) { struct rtl8xxxu_priv *priv; @@ -5397,9 +5426,14 @@ static void rtl8xxxu_c2hcmd_callback(struct work_struct *work) unsigned long flags; u8 bt_info = 0; struct rtl8xxxu_btcoex *btcoex; + struct rtl8xxxu_ra_report *rarpt; + u8 rate, sgi, bw; + u32 bit_rate; + u8 mcs = 0, nss = 0; priv = container_of(work, struct rtl8xxxu_priv, c2hcmd_work); btcoex = &priv->bt_coex; + rarpt = &priv->ra_report; if (priv->rf_paths > 1) goto out; @@ -5422,6 +5456,34 @@ static void rtl8xxxu_c2hcmd_callback(struct work_struct *work) } rtl8723bu_handle_bt_info(priv); break; + case C2H_8723B_RA_REPORT: + rarpt->txrate.flags = 0; + rate = c2h->ra_report.rate; + sgi = c2h->ra_report.sgi; + bw = c2h->ra_report.bw; + + if (rate < DESC_RATE_MCS0) { + rarpt->txrate.legacy = + rtl8xxxu_legacy_ratetable[rate].bitrate; + } else { + rtl8xxxu_desc_to_mcsrate(rate, &mcs, &nss); + rarpt->txrate.flags |= RATE_INFO_FLAGS_MCS; + + rarpt->txrate.mcs = mcs; + rarpt->txrate.nss = nss; + + if (sgi) { + rarpt->txrate.flags |= + RATE_INFO_FLAGS_SHORT_GI; + } + + if (bw == RATE_INFO_BW_20) + rarpt->txrate.bw |= RATE_INFO_BW_20; + } + bit_rate = cfg80211_calculate_bitrate(&rarpt->txrate); + rarpt->bit_rate = bit_rate; + rarpt->desc_rate = rate; + break; default: break; } @@ -5465,7 +5527,7 @@ static void rtl8723bu_handle_c2h(struct rtl8xxxu_priv *priv, case C2H_8723B_RA_REPORT: dev_dbg(dev, "C2H RA RPT: rate %02x, unk %i, macid %02x, noise %i\n", - c2h->ra_report.rate, c2h->ra_report.dummy0_0, + c2h->ra_report.rate, c2h->ra_report.sgi, c2h->ra_report.macid, c2h->ra_report.noisy_state); break; default: @@ -6069,6 +6131,16 @@ rtl8xxxu_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, return 0; } +static void +rtl8xxxu_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, struct station_info *sinfo) +{ + struct rtl8xxxu_priv *priv = hw->priv; + + sinfo->txrate = priv->ra_report.txrate; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); +} + static u8 rtl8xxxu_signal_to_snr(int signal) { if (signal < RTL8XXXU_NOISE_FLOOR_MIN) @@ -6371,6 +6443,7 @@ static const struct ieee80211_ops rtl8xxxu_ops = { .sw_scan_complete = rtl8xxxu_sw_scan_complete, .set_key = rtl8xxxu_set_key, .ampdu_action = rtl8xxxu_ampdu_action, + .sta_statistics = rtl8xxxu_sta_statistics, }; static int rtl8xxxu_parse_usb(struct rtl8xxxu_priv *priv, |