diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 111 |
1 files changed, 75 insertions, 36 deletions
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index a5e6ec2..3a86675 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -4372,6 +4372,13 @@ void rtl8xxxu_gen1_report_connect(struct rtl8xxxu_priv *priv, void rtl8xxxu_gen2_report_connect(struct rtl8xxxu_priv *priv, u8 macid, bool connect) { +#ifdef RTL8XXXU_GEN2_REPORT_CONNECT + /* + * Barry Day reports this causes issues with 8192eu and 8723bu + * devices reconnecting. The reason for this is unclear, but + * until it is better understood, leave the code in place but + * disabled, so it is not lost. + */ struct h2c_cmd h2c; memset(&h2c, 0, sizeof(struct h2c_cmd)); @@ -4383,6 +4390,7 @@ void rtl8xxxu_gen2_report_connect(struct rtl8xxxu_priv *priv, h2c.media_status_rpt.parm &= ~BIT(0); rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.media_status_rpt)); +#endif } void rtl8xxxu_gen1_init_aggregation(struct rtl8xxxu_priv *priv) @@ -4759,13 +4767,28 @@ static void rtl8xxxu_dump_action(struct device *dev, * This format is used on 8188cu/8192cu/8723au */ void -rtl8xxxu_fill_txdesc_v1(struct ieee80211_hdr *hdr, - struct rtl8xxxu_txdesc32 *tx_desc, u32 rate, - u16 rate_flag, bool sgi, bool short_preamble, - bool ampdu_enable) +rtl8xxxu_fill_txdesc_v1(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, + struct ieee80211_tx_info *tx_info, + struct rtl8xxxu_txdesc32 *tx_desc, bool sgi, + bool short_preamble, bool ampdu_enable, u32 rts_rate) { + struct ieee80211_rate *tx_rate = ieee80211_get_tx_rate(hw, tx_info); + struct rtl8xxxu_priv *priv = hw->priv; + struct device *dev = &priv->udev->dev; + u32 rate; + u16 rate_flags = tx_info->control.rates[0].flags; u16 seq_number; + if (rate_flags & IEEE80211_TX_RC_MCS && + !ieee80211_is_mgmt(hdr->frame_control)) + rate = tx_info->control.rates[0].idx + DESC_RATE_MCS0; + else + rate = tx_rate->hw_value; + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX) + dev_info(dev, "%s: TX rate: %d, pkt size %d\n", + __func__, rate, cpu_to_le16(tx_desc->pkt_size)); + seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); tx_desc->txdw5 = cpu_to_le32(rate); @@ -4796,15 +4819,16 @@ rtl8xxxu_fill_txdesc_v1(struct ieee80211_hdr *hdr, if (sgi) tx_desc->txdw5 |= cpu_to_le32(TXDESC32_SHORT_GI); - if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { - /* - * Use RTS rate 24M - does the mac80211 tell - * us which to use? - */ - tx_desc->txdw4 |= cpu_to_le32(DESC_RATE_24M << - TXDESC32_RTS_RATE_SHIFT); + /* + * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled + */ + tx_desc->txdw4 |= cpu_to_le32(rts_rate << TXDESC32_RTS_RATE_SHIFT); + if (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS) { tx_desc->txdw4 |= cpu_to_le32(TXDESC32_RTS_CTS_ENABLE); tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); + } else if (rate_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { + tx_desc->txdw4 |= cpu_to_le32(TXDESC32_CTS_SELF_ENABLE); + tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); } } @@ -4813,16 +4837,31 @@ rtl8xxxu_fill_txdesc_v1(struct ieee80211_hdr *hdr, * This format is used on 8192eu/8723bu */ void -rtl8xxxu_fill_txdesc_v2(struct ieee80211_hdr *hdr, - struct rtl8xxxu_txdesc32 *tx_desc32, u32 rate, - u16 rate_flag, bool sgi, bool short_preamble, - bool ampdu_enable) +rtl8xxxu_fill_txdesc_v2(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, + struct ieee80211_tx_info *tx_info, + struct rtl8xxxu_txdesc32 *tx_desc32, bool sgi, + bool short_preamble, bool ampdu_enable, u32 rts_rate) { + 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_txdesc40 *tx_desc40; + u32 rate; + u16 rate_flags = tx_info->control.rates[0].flags; u16 seq_number; tx_desc40 = (struct rtl8xxxu_txdesc40 *)tx_desc32; + if (rate_flags & IEEE80211_TX_RC_MCS && + !ieee80211_is_mgmt(hdr->frame_control)) + rate = tx_info->control.rates[0].idx + DESC_RATE_MCS0; + else + rate = tx_rate->hw_value; + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX) + dev_info(dev, "%s: TX rate: %d, pkt size %d\n", + __func__, rate, cpu_to_le16(tx_desc40->pkt_size)); + seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); tx_desc40->txdw4 = cpu_to_le32(rate); @@ -4849,15 +4888,19 @@ rtl8xxxu_fill_txdesc_v2(struct ieee80211_hdr *hdr, if (short_preamble) tx_desc40->txdw5 |= cpu_to_le32(TXDESC40_SHORT_PREAMBLE); - if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { - /* - * Use RTS rate 24M - does the mac80211 tell - * us which to use? - */ - tx_desc40->txdw4 |= cpu_to_le32(DESC_RATE_24M << - TXDESC40_RTS_RATE_SHIFT); + tx_desc40->txdw4 |= cpu_to_le32(rts_rate << TXDESC40_RTS_RATE_SHIFT); + /* + * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled + */ + if (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS) { tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_RTS_CTS_ENABLE); tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_HW_RTS_ENABLE); + } else if (rate_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { + /* + * For some reason the vendor driver doesn't set + * TXDESC40_HW_RTS_ENABLE for CTS to SELF + */ + tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_CTS_SELF_ENABLE); } } @@ -4867,14 +4910,13 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); - struct ieee80211_rate *tx_rate = ieee80211_get_tx_rate(hw, tx_info); struct rtl8xxxu_priv *priv = hw->priv; struct rtl8xxxu_txdesc32 *tx_desc; struct rtl8xxxu_tx_urb *tx_urb; struct ieee80211_sta *sta = NULL; struct ieee80211_vif *vif = tx_info->control.vif; struct device *dev = &priv->udev->dev; - u32 queue, rate; + u32 queue, rts_rate; u16 pktlen = skb->len; u16 seq_number; u16 rate_flag = tx_info->control.rates[0].flags; @@ -4901,10 +4943,6 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, goto error; } - if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX) - dev_info(dev, "%s: TX rate: %d (%d), pkt size %d\n", - __func__, tx_rate->bitrate, tx_rate->hw_value, pktlen); - if (ieee80211_is_action(hdr->frame_control)) rtl8xxxu_dump_action(dev, hdr); @@ -4958,12 +4996,6 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, } } - if (rate_flag & IEEE80211_TX_RC_MCS && - !ieee80211_is_mgmt(hdr->frame_control)) - rate = tx_info->control.rates[0].idx + DESC_RATE_MCS0; - else - rate = tx_rate->hw_value; - if (rate_flag & IEEE80211_TX_RC_SHORT_GI || (ieee80211_is_data_qos(hdr->frame_control) && sta && sta->ht_cap.cap & @@ -4974,10 +5006,17 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, (sta && vif && vif->bss_conf.use_short_preamble)) short_preamble = true; + if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) + rts_rate = ieee80211_get_rts_cts_rate(hw, tx_info)->hw_value; + else if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) + rts_rate = ieee80211_get_rts_cts_rate(hw, tx_info)->hw_value; + else + rts_rate = 0; + seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); - priv->fops->fill_txdesc(hdr, tx_desc, rate, rate_flag, - sgi, short_preamble, ampdu_enable); + priv->fops->fill_txdesc(hw, hdr, tx_info, tx_desc, sgi, short_preamble, + ampdu_enable, rts_rate); rtl8xxxu_calc_tx_desc_csum(tx_desc); |