diff options
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/pci.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/pci.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8192ee/trx.c | 51 |
3 files changed, 6 insertions, 54 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index b28e6e35c6db..3e9eb11a38f9 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -557,13 +557,6 @@ static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio) else entry = (u8 *)(&ring->desc[ring->idx]); - if (rtlpriv->cfg->ops->get_available_desc && - rtlpriv->cfg->ops->get_available_desc(hw, prio) <= 1) { - RT_TRACE(rtlpriv, (COMP_INTR | COMP_SEND), DBG_DMESG, - "no available desc!\n"); - return; - } - if (!rtlpriv->cfg->ops->is_tx_desc_closed(hw, prio, ring->idx)) return; ring->idx = (ring->idx + 1) % ring->entries; @@ -1250,7 +1243,6 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, rtlpci->tx_ring[prio].cur_tx_rp = 0; rtlpci->tx_ring[prio].cur_tx_wp = 0; - rtlpci->tx_ring[prio].avl_desc = entries; } /* alloc dma for this ring */ diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.h b/drivers/net/wireless/realtek/rtlwifi/pci.h index ed5de1218bd9..3fb56c845a61 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.h +++ b/drivers/net/wireless/realtek/rtlwifi/pci.h @@ -173,7 +173,6 @@ struct rtl8192_tx_ring { /*add for new trx flow*/ struct rtl_tx_buffer_desc *buffer_desc; /*tx buffer descriptor*/ dma_addr_t buffer_desc_dma; /*tx bufferd desc dma memory*/ - u16 avl_desc; /* available_desc_to_write */ u16 cur_tx_wp; /* current_tx_write_point */ u16 cur_tx_rp; /* current_tx_read_point */ }; diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/trx.c index bc44d9d912d8..4f7444331b07 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/trx.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/trx.c @@ -549,7 +549,6 @@ static u16 get_desc_addr_fr_q_idx(u16 queue_index) 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); u16 point_diff = 0; u16 current_tx_read_point = 0, current_tx_write_point = 0; @@ -564,7 +563,6 @@ u16 rtl92ee_get_available_desc(struct ieee80211_hw *hw, u8 q_idx) current_tx_write_point, TX_DESC_NUM_92E); - rtlpci->tx_ring[q_idx].avl_desc = point_diff; return point_diff; } @@ -909,10 +907,6 @@ void rtl92ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx, u8 desc_name, u8 *val) { struct rtl_priv *rtlpriv = rtl_priv(hw); - u16 cur_tx_rp = 0; - u16 cur_tx_wp = 0; - static bool over_run; - u32 tmp = 0; u8 q_idx = *val; bool dma64 = rtlpriv->cfg->mod_params->dma64; @@ -933,38 +927,12 @@ void rtl92ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx, return; } + /* make sure tx desc is available by caller */ ring->cur_tx_wp = ((ring->cur_tx_wp + 1) % max_tx_desc); - if (over_run) { - ring->cur_tx_wp = 0; - over_run = false; - } - if (ring->avl_desc > 1) { - ring->avl_desc--; - - rtl_write_word(rtlpriv, - get_desc_addr_fr_q_idx(q_idx), - ring->cur_tx_wp); - } - - if (ring->avl_desc < (max_tx_desc - 15)) { - u16 point_diff = 0; - - tmp = - rtl_read_dword(rtlpriv, - get_desc_addr_fr_q_idx(q_idx)); - cur_tx_rp = (u16)((tmp >> 16) & 0x0fff); - cur_tx_wp = (u16)(tmp & 0x0fff); - - ring->cur_tx_wp = cur_tx_wp; - ring->cur_tx_rp = cur_tx_rp; - point_diff = ((cur_tx_rp > cur_tx_wp) ? - (cur_tx_rp - cur_tx_wp) : - (TX_DESC_NUM_92E - 1 - - cur_tx_wp + cur_tx_rp)); - - ring->avl_desc = point_diff; - } + rtl_write_word(rtlpriv, + get_desc_addr_fr_q_idx(q_idx), + ring->cur_tx_wp); } break; } @@ -1046,13 +1014,12 @@ bool rtl92ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index) { struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); struct rtl_priv *rtlpriv = rtl_priv(hw); - u16 read_point, write_point, available_desc_num; + u16 read_point, write_point; bool ret = false; static u8 stop_report_cnt; struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; { - u16 point_diff = 0; u16 cur_tx_rp, cur_tx_wp; u32 tmpu32 = 0; @@ -1062,18 +1029,12 @@ bool rtl92ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index) cur_tx_rp = (u16)((tmpu32 >> 16) & 0x0fff); cur_tx_wp = (u16)(tmpu32 & 0x0fff); - ring->cur_tx_wp = cur_tx_wp; + /* don't need to update ring->cur_tx_wp */ ring->cur_tx_rp = cur_tx_rp; - point_diff = ((cur_tx_rp > cur_tx_wp) ? - (cur_tx_rp - cur_tx_wp) : - (TX_DESC_NUM_92E - cur_tx_wp + cur_tx_rp)); - - ring->avl_desc = point_diff; } read_point = ring->cur_tx_rp; write_point = ring->cur_tx_wp; - available_desc_num = ring->avl_desc; if (write_point > read_point) { if (index < write_point && index >= read_point) |