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path: root/drivers/net/wireless/rtlwifi/rtl8192ee/trx.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192ee/trx.c')
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192ee/trx.c200
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;
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