diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192ee/trx.c')
-rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192ee/trx.c | 200 |
1 files changed, 18 insertions, 182 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ee/trx.c b/drivers/net/wireless/rtlwifi/rtl8192ee/trx.c index 2fcbef1d029f..d39ee67f6113 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ee/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ee/trx.c @@ -47,164 +47,6 @@ static u8 _rtl92ee_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue) return skb->priority; } -/* mac80211's rate_idx is like this: - * - * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ - * - * B/G rate: - * (rx_status->flag & RX_FLAG_HT) = 0, - * DESC92C_RATE1M-->DESC92C_RATE54M ==> idx is 0-->11, - * - * N rate: - * (rx_status->flag & RX_FLAG_HT) = 1, - * DESC92C_RATEMCS0-->DESC92C_RATEMCS15 ==> idx is 0-->15 - * - * 5G band:rx_status->band == IEEE80211_BAND_5GHZ - * A rate: - * (rx_status->flag & RX_FLAG_HT) = 0, - * DESC92C_RATE6M-->DESC92C_RATE54M ==> idx is 0-->7, - * - * N rate: - * (rx_status->flag & RX_FLAG_HT) = 1, - * DESC92C_RATEMCS0-->DESC92C_RATEMCS15 ==> idx is 0-->15 - */ -static int _rtl92ee_rate_mapping(struct ieee80211_hw *hw, - bool isht, u8 desc_rate) -{ - int rate_idx; - - if (!isht) { - if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) { - switch (desc_rate) { - case DESC92C_RATE1M: - rate_idx = 0; - break; - case DESC92C_RATE2M: - rate_idx = 1; - break; - case DESC92C_RATE5_5M: - rate_idx = 2; - break; - case DESC92C_RATE11M: - rate_idx = 3; - break; - case DESC92C_RATE6M: - rate_idx = 4; - break; - case DESC92C_RATE9M: - rate_idx = 5; - break; - case DESC92C_RATE12M: - rate_idx = 6; - break; - case DESC92C_RATE18M: - rate_idx = 7; - break; - case DESC92C_RATE24M: - rate_idx = 8; - break; - case DESC92C_RATE36M: - rate_idx = 9; - break; - case DESC92C_RATE48M: - rate_idx = 10; - break; - case DESC92C_RATE54M: - rate_idx = 11; - break; - default: - rate_idx = 0; - break; - } - } else { - switch (desc_rate) { - case DESC92C_RATE6M: - rate_idx = 0; - break; - case DESC92C_RATE9M: - rate_idx = 1; - break; - case DESC92C_RATE12M: - rate_idx = 2; - break; - case DESC92C_RATE18M: - rate_idx = 3; - break; - case DESC92C_RATE24M: - rate_idx = 4; - break; - case DESC92C_RATE36M: - rate_idx = 5; - break; - case DESC92C_RATE48M: - rate_idx = 6; - break; - case DESC92C_RATE54M: - rate_idx = 7; - break; - default: - rate_idx = 0; - break; - } - } - } else { - switch (desc_rate) { - case DESC92C_RATEMCS0: - rate_idx = 0; - break; - case DESC92C_RATEMCS1: - rate_idx = 1; - break; - case DESC92C_RATEMCS2: - rate_idx = 2; - break; - case DESC92C_RATEMCS3: - rate_idx = 3; - break; - case DESC92C_RATEMCS4: - rate_idx = 4; - break; - case DESC92C_RATEMCS5: - rate_idx = 5; - break; - case DESC92C_RATEMCS6: - rate_idx = 6; - break; - case DESC92C_RATEMCS7: - rate_idx = 7; - break; - case DESC92C_RATEMCS8: - rate_idx = 8; - break; - case DESC92C_RATEMCS9: - rate_idx = 9; - break; - case DESC92C_RATEMCS10: - rate_idx = 10; - break; - case DESC92C_RATEMCS11: - rate_idx = 11; - break; - case DESC92C_RATEMCS12: - rate_idx = 12; - break; - case DESC92C_RATEMCS13: - rate_idx = 13; - break; - case DESC92C_RATEMCS14: - rate_idx = 14; - break; - case DESC92C_RATEMCS15: - rate_idx = 15; - break; - default: - rate_idx = 0; - break; - } - } - return rate_idx; -} - static void _rtl92ee_query_rxphystatus(struct ieee80211_hw *hw, struct rtl_stats *pstatus, u8 *pdesc, struct rx_fwinfo *p_drvinfo, @@ -345,8 +187,8 @@ static void _rtl92ee_query_rxphystatus(struct ieee80211_hw *hw, pstatus->recvsignalpower = rx_pwr_all; /* (3)EVM of HT rate */ - if (pstatus->rate >= DESC92C_RATEMCS8 && - pstatus->rate <= DESC92C_RATEMCS15) + if (pstatus->rate >= DESC_RATEMCS8 && + pstatus->rate <= DESC_RATEMCS15) max_spatial_stream = 2; else max_spatial_stream = 1; @@ -512,6 +354,10 @@ bool rtl92ee_rx_query_desc(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr; u32 phystatus = GET_RX_DESC_PHYST(pdesc); + if (GET_RX_STATUS_DESC_RPT_SEL(pdesc) == 0) + status->packet_report_type = NORMAL_RX; + else + status->packet_report_type = C2H_PACKET; status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc); status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) * RX_DRV_INFO_SIZE_UNIT; @@ -576,9 +422,8 @@ bool rtl92ee_rx_query_desc(struct ieee80211_hw *hw, * are use (RX_FLAG_HT) * Notice: this is diff with windows define */ - rx_status->rate_idx = _rtl92ee_rate_mapping(hw, - status->is_ht, - status->rate); + rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht, + false, status->rate); rx_status->mactime = status->timestamp_low; if (phystatus) { @@ -654,14 +499,7 @@ u16 rtl92ee_rx_desc_buff_remained_cnt(struct ieee80211_hw *hw, u8 queue_index) if (!start_rx) return 0; - if ((last_read_point > (RX_DESC_NUM_92E / 2)) && - (read_point <= (RX_DESC_NUM_92E / 2))) { - remind_cnt = RX_DESC_NUM_92E - write_point; - } else { - remind_cnt = (read_point >= write_point) ? - (read_point - write_point) : - (RX_DESC_NUM_92E - write_point + read_point); - } + remind_cnt = calc_fifo_space(read_point, write_point); if (remind_cnt == 0) return 0; @@ -710,7 +548,7 @@ static u16 get_desc_addr_fr_q_idx(u16 queue_index) return desc_address; } -void rtl92ee_get_available_desc(struct ieee80211_hw *hw, u8 q_idx) +u16 rtl92ee_get_available_desc(struct ieee80211_hw *hw, u8 q_idx) { struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); struct rtl_priv *rtlpriv = rtl_priv(hw); @@ -723,12 +561,11 @@ void rtl92ee_get_available_desc(struct ieee80211_hw *hw, u8 q_idx) current_tx_read_point = (u16)((tmp_4byte >> 16) & 0x0fff); current_tx_write_point = (u16)((tmp_4byte) & 0x0fff); - point_diff = ((current_tx_read_point > current_tx_write_point) ? - (current_tx_read_point - current_tx_write_point) : - (TX_DESC_NUM_92E - current_tx_write_point + - current_tx_read_point)); + point_diff = calc_fifo_space(current_tx_read_point, + current_tx_write_point); rtlpci->tx_ring[q_idx].avl_desc = point_diff; + return point_diff; } void rtl92ee_pre_fill_tx_bd_desc(struct ieee80211_hw *hw, @@ -901,13 +738,13 @@ void rtl92ee_tx_fill_desc(struct ieee80211_hw *hw, } else { if (rtlpriv->ra.is_special_data) { ptcb_desc->use_driver_rate = true; - SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE11M); + SET_TX_DESC_TX_RATE(pdesc, DESC_RATE11M); } else { ptcb_desc->use_driver_rate = false; } } - if (ptcb_desc->hw_rate > DESC92C_RATEMCS0) + if (ptcb_desc->hw_rate > DESC_RATEMCS0) short_gi = (ptcb_desc->use_shortgi) ? 1 : 0; else short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0; @@ -927,7 +764,7 @@ void rtl92ee_tx_fill_desc(struct ieee80211_hw *hw, SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate); SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc); SET_TX_DESC_RTS_SHORT(pdesc, - ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ? + ((ptcb_desc->rts_rate <= DESC_RATE54M) ? (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : (ptcb_desc->rts_use_shortgi ? 1 : 0))); @@ -1038,7 +875,7 @@ void rtl92ee_tx_fill_cmddesc(struct ieee80211_hw *hw, if (firstseg) SET_TX_DESC_OFFSET(pdesc, txdesc_len); - SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M); + SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M); SET_TX_DESC_SEQ(pdesc, 0); @@ -1207,8 +1044,7 @@ bool rtl92ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index) static u8 stop_report_cnt; struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; - /*checking Read/Write Point each interrupt wastes CPU */ - if (stop_report_cnt > 15 || !rtlpriv->link_info.busytraffic) { + { u16 point_diff = 0; u16 cur_tx_rp, cur_tx_wp; u32 tmpu32 = 0; |