diff options
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_mac.c | 105 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_mac.h | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2/common.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2/mac.c | 96 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2/mac.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h | 1 |
6 files changed, 110 insertions, 101 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c index a02e97665463..859b6c5c4117 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c @@ -582,3 +582,108 @@ void mt76x02_mac_setaddr(struct mt76_dev *dev, u8 *addr) FIELD_PREP(MT_MAC_ADDR_DW1_U2ME_MASK, 0xff)); } EXPORT_SYMBOL_GPL(mt76x02_mac_setaddr); + +static int +mt76x02_mac_get_rssi(struct mt76x02_dev *dev, s8 rssi, int chain) +{ + struct mt76x02_rx_freq_cal *cal = &dev->cal.rx; + + rssi += cal->rssi_offset[chain]; + rssi -= cal->lna_gain; + + return rssi; +} + +int mt76x02_mac_process_rx(struct mt76x02_dev *dev, struct sk_buff *skb, + void *rxi) +{ + struct mt76_rx_status *status = (struct mt76_rx_status *) skb->cb; + struct mt76x02_rxwi *rxwi = rxi; + struct mt76x02_sta *sta; + u32 rxinfo = le32_to_cpu(rxwi->rxinfo); + u32 ctl = le32_to_cpu(rxwi->ctl); + u16 rate = le16_to_cpu(rxwi->rate); + u16 tid_sn = le16_to_cpu(rxwi->tid_sn); + bool unicast = rxwi->rxinfo & cpu_to_le32(MT_RXINFO_UNICAST); + int i, pad_len = 0, nstreams = dev->mt76.chainmask & 0xf; + s8 signal; + u8 pn_len; + u8 wcid; + int len; + + if (!test_bit(MT76_STATE_RUNNING, &dev->mt76.state)) + return -EINVAL; + + if (rxinfo & MT_RXINFO_L2PAD) + pad_len += 2; + + if (rxinfo & MT_RXINFO_DECRYPT) { + status->flag |= RX_FLAG_DECRYPTED; + status->flag |= RX_FLAG_MMIC_STRIPPED; + status->flag |= RX_FLAG_MIC_STRIPPED; + status->flag |= RX_FLAG_IV_STRIPPED; + } + + wcid = FIELD_GET(MT_RXWI_CTL_WCID, ctl); + sta = mt76x02_rx_get_sta(&dev->mt76, wcid); + status->wcid = mt76x02_rx_get_sta_wcid(sta, unicast); + + len = FIELD_GET(MT_RXWI_CTL_MPDU_LEN, ctl); + pn_len = FIELD_GET(MT_RXINFO_PN_LEN, rxinfo); + if (pn_len) { + int offset = ieee80211_get_hdrlen_from_skb(skb) + pad_len; + u8 *data = skb->data + offset; + + status->iv[0] = data[7]; + status->iv[1] = data[6]; + status->iv[2] = data[5]; + status->iv[3] = data[4]; + status->iv[4] = data[1]; + status->iv[5] = data[0]; + + /* + * Driver CCMP validation can't deal with fragments. + * Let mac80211 take care of it. + */ + if (rxinfo & MT_RXINFO_FRAG) { + status->flag &= ~RX_FLAG_IV_STRIPPED; + } else { + pad_len += pn_len << 2; + len -= pn_len << 2; + } + } + + mt76x02_remove_hdr_pad(skb, pad_len); + + if ((rxinfo & MT_RXINFO_BA) && !(rxinfo & MT_RXINFO_NULL)) + status->aggr = true; + + if (WARN_ON_ONCE(len > skb->len)) + return -EINVAL; + + pskb_trim(skb, len); + + status->chains = BIT(0); + signal = mt76x02_mac_get_rssi(dev, rxwi->rssi[0], 0); + for (i = 1; i < nstreams; i++) { + status->chains |= BIT(i); + status->chain_signal[i] = mt76x02_mac_get_rssi(dev, + rxwi->rssi[i], + i); + signal = max_t(s8, signal, status->chain_signal[i]); + } + status->signal = signal; + status->freq = dev->mt76.chandef.chan->center_freq; + status->band = dev->mt76.chandef.chan->band; + + status->tid = FIELD_GET(MT_RXWI_TID, tid_sn); + status->seqno = FIELD_GET(MT_RXWI_SN, tid_sn); + + if (sta) { + ewma_signal_add(&sta->rssi, status->signal); + sta->inactive_count = 0; + } + + return mt76x02_mac_process_rate(status, rate); +} +EXPORT_SYMBOL_GPL(mt76x02_mac_process_rx); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h index 8788c54c6c3d..857ab2308e8b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h @@ -20,6 +20,8 @@ #include <linux/average.h> +struct mt76x02_dev; + struct mt76x02_tx_status { u8 valid:1; u8 success:1; @@ -195,6 +197,8 @@ bool mt76x02_mac_load_tx_status(struct mt76_dev *dev, struct mt76x02_tx_status *stat); void mt76x02_send_tx_status(struct mt76_dev *dev, struct mt76x02_tx_status *stat, u8 *update); +int mt76x02_mac_process_rx(struct mt76x02_dev *dev, struct sk_buff *skb, + void *rxi); int mt76x02_mac_process_rate(struct mt76_rx_status *status, u16 rate); void mt76x02_mac_setaddr(struct mt76_dev *dev, u8 *addr); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/common.c b/drivers/net/wireless/mediatek/mt76/mt76x2/common.c index eb9861f89e1a..d953c65cac80 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/common.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/common.c @@ -32,7 +32,7 @@ void mt76x2_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, } skb_pull(skb, sizeof(struct mt76x02_rxwi)); - if (mt76x2_mac_process_rx(dev, skb, rxwi)) { + if (mt76x02_mac_process_rx(dev, skb, rxwi)) { dev_kfree_skb(skb); return; } diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/mac.c b/drivers/net/wireless/mediatek/mt76/mt76x2/mac.c index 7aefe72fc506..9ebb219d63ae 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/mac.c @@ -53,99 +53,3 @@ void mt76x2_mac_stop(struct mt76x02_dev *dev, bool force) mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg); } EXPORT_SYMBOL_GPL(mt76x2_mac_stop); - -int mt76x2_mac_get_rssi(struct mt76x02_dev *dev, s8 rssi, int chain) -{ - struct mt76x02_rx_freq_cal *cal = &dev->cal.rx; - - rssi += cal->rssi_offset[chain]; - rssi -= cal->lna_gain; - - return rssi; -} - -int mt76x2_mac_process_rx(struct mt76x02_dev *dev, struct sk_buff *skb, - void *rxi) -{ - struct mt76_rx_status *status = (struct mt76_rx_status *) skb->cb; - struct mt76x02_rxwi *rxwi = rxi; - struct mt76x02_sta *sta; - u32 rxinfo = le32_to_cpu(rxwi->rxinfo); - u32 ctl = le32_to_cpu(rxwi->ctl); - u16 rate = le16_to_cpu(rxwi->rate); - u16 tid_sn = le16_to_cpu(rxwi->tid_sn); - bool unicast = rxwi->rxinfo & cpu_to_le32(MT_RXINFO_UNICAST); - int pad_len = 0; - u8 pn_len; - u8 wcid; - int len; - - if (!test_bit(MT76_STATE_RUNNING, &dev->mt76.state)) - return -EINVAL; - - if (rxinfo & MT_RXINFO_L2PAD) - pad_len += 2; - - if (rxinfo & MT_RXINFO_DECRYPT) { - status->flag |= RX_FLAG_DECRYPTED; - status->flag |= RX_FLAG_MMIC_STRIPPED; - status->flag |= RX_FLAG_MIC_STRIPPED; - status->flag |= RX_FLAG_IV_STRIPPED; - } - - wcid = FIELD_GET(MT_RXWI_CTL_WCID, ctl); - sta = mt76x02_rx_get_sta(&dev->mt76, wcid); - status->wcid = mt76x02_rx_get_sta_wcid(sta, unicast); - - len = FIELD_GET(MT_RXWI_CTL_MPDU_LEN, ctl); - pn_len = FIELD_GET(MT_RXINFO_PN_LEN, rxinfo); - if (pn_len) { - int offset = ieee80211_get_hdrlen_from_skb(skb) + pad_len; - u8 *data = skb->data + offset; - - status->iv[0] = data[7]; - status->iv[1] = data[6]; - status->iv[2] = data[5]; - status->iv[3] = data[4]; - status->iv[4] = data[1]; - status->iv[5] = data[0]; - - /* - * Driver CCMP validation can't deal with fragments. - * Let mac80211 take care of it. - */ - if (rxinfo & MT_RXINFO_FRAG) { - status->flag &= ~RX_FLAG_IV_STRIPPED; - } else { - pad_len += pn_len << 2; - len -= pn_len << 2; - } - } - - mt76x02_remove_hdr_pad(skb, pad_len); - - if ((rxinfo & MT_RXINFO_BA) && !(rxinfo & MT_RXINFO_NULL)) - status->aggr = true; - - if (WARN_ON_ONCE(len > skb->len)) - return -EINVAL; - - pskb_trim(skb, len); - status->chains = BIT(0) | BIT(1); - status->chain_signal[0] = mt76x2_mac_get_rssi(dev, rxwi->rssi[0], 0); - status->chain_signal[1] = mt76x2_mac_get_rssi(dev, rxwi->rssi[1], 1); - status->signal = max(status->chain_signal[0], status->chain_signal[1]); - status->freq = dev->mt76.chandef.chan->center_freq; - status->band = dev->mt76.chandef.chan->band; - - status->tid = FIELD_GET(MT_RXWI_TID, tid_sn); - status->seqno = FIELD_GET(MT_RXWI_SN, tid_sn); - - if (sta) { - ewma_signal_add(&sta->rssi, status->signal); - sta->inactive_count = 0; - } - - return mt76x02_mac_process_rate(status, rate); -} -EXPORT_SYMBOL_GPL(mt76x2_mac_process_rx); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/mac.h b/drivers/net/wireless/mediatek/mt76/mt76x2/mac.h index db36232277cd..f1077f96a8a4 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/mac.h @@ -46,9 +46,6 @@ void mt76x2_mac_stop(struct mt76x02_dev *dev, bool force); void mt76x2_mac_resume(struct mt76x02_dev *dev); void mt76x2_mac_set_bssid(struct mt76x02_dev *dev, u8 idx, const u8 *addr); -int mt76x2_mac_process_rx(struct mt76x02_dev *dev, struct sk_buff *skb, - void *rxi); - int mt76x2_mac_set_beacon(struct mt76x02_dev *dev, u8 vif_idx, struct sk_buff *skb); void mt76x2_mac_set_beacon_enable(struct mt76x02_dev *dev, u8 vif_idx, bool val); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h index b4de10b7b31e..238cbf1eb14c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h @@ -74,7 +74,6 @@ void mt76x2_phy_set_antenna(struct mt76x02_dev *dev); int mt76x2_phy_start(struct mt76x02_dev *dev); int mt76x2_phy_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef); -int mt76x2_mac_get_rssi(struct mt76x02_dev *dev, s8 rssi, int chain); void mt76x2_phy_calibrate(struct work_struct *work); void mt76x2_phy_set_txpower(struct mt76x02_dev *dev); |