diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 130 |
1 files changed, 101 insertions, 29 deletions
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index e73c96ea0517..fd97c040948a 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -3981,7 +3981,25 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw) * Enable TX report and TX report timer for 8723bu/8188eu/... */ if (fops->has_tx_report) { + /* + * The RTL8188EU has two types of TX reports: + * rpt_sel=1: + * One report for one frame. We can use this for frames + * with IEEE80211_TX_CTL_REQ_TX_STATUS. + * rpt_sel=2: + * One report for many frames transmitted over a period + * of time. (This is what REG_TX_REPORT_TIME is for.) The + * report includes the number of frames transmitted + * successfully, and the number of unsuccessful + * transmissions. We use this for software rate control. + * + * Bit 0 of REG_TX_REPORT_CTRL is required for both types. + * Bit 1 (TX_REPORT_CTRL_TIMER_ENABLE) is required for + * type 2. + */ val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL); + if (priv->rtl_chip == RTL8188E) + val8 |= BIT(0); val8 |= TX_REPORT_CTRL_TIMER_ENABLE; rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8); /* Set MAX RPT MACID */ @@ -4274,6 +4292,9 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw) priv->cfo_tracking.crystal_cap = priv->default_crystal_cap; } + if (priv->rtl_chip == RTL8188E) + rtl8188e_ra_info_init_all(&priv->ra_info); + exit: return ret; } @@ -4637,8 +4658,8 @@ static void rtl8xxxu_set_aifs(struct rtl8xxxu_priv *priv, u8 slot_time) } } -static void rtl8xxxu_update_ra_report(struct rtl8xxxu_ra_report *rarpt, - u8 rate, u8 sgi, u8 bw) +void rtl8xxxu_update_ra_report(struct rtl8xxxu_ra_report *rarpt, + u8 rate, u8 sgi, u8 bw) { u8 mcs, nss; @@ -5122,6 +5143,7 @@ rtl8xxxu_fill_txdesc_v3(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, struct ieee80211_rate *tx_rate = ieee80211_get_tx_rate(hw, tx_info); struct rtl8xxxu_priv *priv = hw->priv; struct device *dev = &priv->udev->dev; + struct rtl8xxxu_ra_info *ra = &priv->ra_info; u8 *qc = ieee80211_get_qos_ctl(hdr); u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; u32 rate; @@ -5137,9 +5159,10 @@ rtl8xxxu_fill_txdesc_v3(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); if (ieee80211_is_data(hdr->frame_control)) { - rate = DESC_RATE_MCS7; /* TODO: software rate control */ + rate = ra->decision_rate; tx_desc->txdw5 = cpu_to_le32(rate); tx_desc->txdw4 |= cpu_to_le32(TXDESC32_USE_DRIVER_RATE); + tx_desc->txdw4 |= le32_encode_bits(ra->pt_stage, TXDESC32_PT_STAGE_MASK); /* Data/RTS rate FB limit */ tx_desc->txdw5 |= cpu_to_le32(0x0001ff00); } @@ -5178,7 +5201,7 @@ rtl8xxxu_fill_txdesc_v3(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, if (short_preamble) tx_desc->txdw4 |= cpu_to_le32(TXDESC32_SHORT_PREAMBLE); - if (sgi) + if (sgi && ra->rate_sgi) tx_desc->txdw5 |= cpu_to_le32(TXDESC32_SHORT_GI); /* @@ -5769,6 +5792,44 @@ static void rtl8723bu_handle_c2h(struct rtl8xxxu_priv *priv, schedule_work(&priv->c2hcmd_work); } +static void rtl8188e_c2hcmd_callback(struct work_struct *work) +{ + struct rtl8xxxu_priv *priv = container_of(work, struct rtl8xxxu_priv, c2hcmd_work); + struct device *dev = &priv->udev->dev; + struct sk_buff *skb = NULL; + struct rtl8xxxu_rxdesc16 *rx_desc; + + while (!skb_queue_empty(&priv->c2hcmd_queue)) { + skb = skb_dequeue(&priv->c2hcmd_queue); + + rx_desc = (struct rtl8xxxu_rxdesc16 *)(skb->data - sizeof(struct rtl8xxxu_rxdesc16)); + + switch (rx_desc->rpt_sel) { + case 1: + dev_dbg(dev, "C2H TX report type 1\n"); + + break; + case 2: + dev_dbg(dev, "C2H TX report type 2\n"); + + rtl8188e_handle_ra_tx_report2(priv, skb); + + break; + case 3: + dev_dbg(dev, "C2H USB interrupt report\n"); + + break; + default: + dev_warn(dev, "%s: rpt_sel should not be %d\n", + __func__, rx_desc->rpt_sel); + + break; + } + + dev_kfree_skb(skb); + } +} + int rtl8xxxu_parse_rxdesc16(struct rtl8xxxu_priv *priv, struct sk_buff *skb) { struct ieee80211_hw *hw = priv->hw; @@ -5824,38 +5885,45 @@ int rtl8xxxu_parse_rxdesc16(struct rtl8xxxu_priv *priv, struct sk_buff *skb) skb_pull(skb, sizeof(struct rtl8xxxu_rxdesc16)); - phy_stats = (struct rtl8723au_phy_stats *)skb->data; + if (rx_desc->rpt_sel) { + skb_queue_tail(&priv->c2hcmd_queue, skb); + schedule_work(&priv->c2hcmd_work); + } else { + phy_stats = (struct rtl8723au_phy_stats *)skb->data; - skb_pull(skb, drvinfo_sz + desc_shift); + skb_pull(skb, drvinfo_sz + desc_shift); - skb_trim(skb, pkt_len); + skb_trim(skb, pkt_len); - if (rx_desc->phy_stats) - rtl8xxxu_rx_parse_phystats(priv, rx_status, phy_stats, - rx_desc->rxmcs, (struct ieee80211_hdr *)skb->data, - rx_desc->crc32 || rx_desc->icverr); + if (rx_desc->phy_stats) + rtl8xxxu_rx_parse_phystats( + priv, rx_status, phy_stats, + rx_desc->rxmcs, + (struct ieee80211_hdr *)skb->data, + rx_desc->crc32 || rx_desc->icverr); - rx_status->mactime = rx_desc->tsfl; - rx_status->flag |= RX_FLAG_MACTIME_START; + rx_status->mactime = rx_desc->tsfl; + rx_status->flag |= RX_FLAG_MACTIME_START; - if (!rx_desc->swdec) - rx_status->flag |= RX_FLAG_DECRYPTED; - if (rx_desc->crc32) - rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; - if (rx_desc->bw) - rx_status->bw = RATE_INFO_BW_40; + if (!rx_desc->swdec) + rx_status->flag |= RX_FLAG_DECRYPTED; + if (rx_desc->crc32) + rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; + if (rx_desc->bw) + rx_status->bw = RATE_INFO_BW_40; - if (rx_desc->rxht) { - rx_status->encoding = RX_ENC_HT; - rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0; - } else { - rx_status->rate_idx = rx_desc->rxmcs; - } + if (rx_desc->rxht) { + rx_status->encoding = RX_ENC_HT; + rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0; + } else { + rx_status->rate_idx = rx_desc->rxmcs; + } - rx_status->freq = hw->conf.chandef.chan->center_freq; - rx_status->band = hw->conf.chandef.chan->band; + rx_status->freq = hw->conf.chandef.chan->center_freq; + rx_status->band = hw->conf.chandef.chan->band; - ieee80211_rx_irqsafe(hw, skb); + ieee80211_rx_irqsafe(hw, skb); + } skb = next_skb; if (skb) @@ -6942,7 +7010,6 @@ static int rtl8xxxu_probe(struct usb_interface *interface, spin_lock_init(&priv->rx_urb_lock); INIT_WORK(&priv->rx_urb_wq, rtl8xxxu_rx_urb_work); INIT_DELAYED_WORK(&priv->ra_watchdog, rtl8xxxu_watchdog_callback); - INIT_WORK(&priv->c2hcmd_work, rtl8xxxu_c2hcmd_callback); skb_queue_head_init(&priv->c2hcmd_queue); usb_set_intfdata(interface, hw); @@ -6960,6 +7027,11 @@ static int rtl8xxxu_probe(struct usb_interface *interface, hw->wiphy->available_antennas_tx = BIT(priv->tx_paths) - 1; hw->wiphy->available_antennas_rx = BIT(priv->rx_paths) - 1; + if (priv->rtl_chip == RTL8188E) + INIT_WORK(&priv->c2hcmd_work, rtl8188e_c2hcmd_callback); + else + INIT_WORK(&priv->c2hcmd_work, rtl8xxxu_c2hcmd_callback); + ret = rtl8xxxu_read_efuse(priv); if (ret) { dev_err(&udev->dev, "Fatal - failed to read EFuse\n"); |