From 89d3e8abcf24462fec0c3c82c5917196e9345e3e Mon Sep 17 00:00:00 2001 From: Ping-Ke Shih Date: Wed, 1 Nov 2017 10:29:20 -0500 Subject: [PATCH] rtlwifi: rtl_pci: Add fill_tx_special_desc to issue H2C data, and process TXOK in interrupt. With the RTL8822BE, an H2C tx queue is added to download FW and special data. This change implements the support code in rtl_pci. Signed-off-by: Ping-Ke Shih Signed-off-by: Larry Finger Cc: Yan-Hsuan Chuang Cc: Birming Chiu Cc: Shaofu Cc: Steven Ting Signed-off-by: Kalle Valo --- drivers/net/wireless/realtek/rtlwifi/pci.c | 11 +++++++++++ drivers/net/wireless/realtek/rtlwifi/pci.h | 1 + drivers/net/wireless/realtek/rtlwifi/wifi.h | 4 ++++ 3 files changed, 16 insertions(+) diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index e8c8ce601229..0c30f4bf657b 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -926,6 +926,7 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id) unsigned long flags; u32 inta = 0; u32 intb = 0; + u32 intd = 0; irqreturn_t ret = IRQ_HANDLED; if (rtlpci->irq_enabled == 0) @@ -1007,6 +1008,16 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id) _rtl_pci_tx_isr(hw, VO_QUEUE); } + if (rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) { + if (intd & rtlpriv->cfg->maps[RTL_IMR_H2CDOK]) { + rtlpriv->link_info.num_tx_inperiod++; + + RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, + "H2C TX OK interrupt!\n"); + _rtl_pci_tx_isr(hw, H2C_QUEUE); + } + } + if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) { if (inta & rtlpriv->cfg->maps[RTL_IMR_COMDOK]) { rtlpriv->link_info.num_tx_inperiod++; diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.h b/drivers/net/wireless/realtek/rtlwifi/pci.h index 0f1a0f8585b6..6bf346ec4616 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.h +++ b/drivers/net/wireless/realtek/rtlwifi/pci.h @@ -51,6 +51,7 @@ #define MGNT_QUEUE 6 #define HIGH_QUEUE 7 #define HCCA_QUEUE 8 +#define H2C_QUEUE TXCMD_QUEUE /* In 8822B */ #define RTL_PCI_DEVICE(vend, dev, cfg) \ .vendor = (vend), \ diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h index 22afc14c3da6..f6b00505a69f 100644 --- a/drivers/net/wireless/realtek/rtlwifi/wifi.h +++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h @@ -709,6 +709,7 @@ enum rtl_var_map { RTL_IMR_RXFOVW, /*Receive FIFO Overflow */ RTL_IMR_RDU, /*Receive Descriptor Unavailable */ RTL_IMR_ATIMEND, /*For 92C,ATIM Window End Interrupt */ + RTL_IMR_H2CDOK, /*H2C Queue DMA OK Interrupt */ RTL_IMR_BDOK, /*Beacon Queue DMA OK Interrup */ RTL_IMR_HIGHDOK, /*High Queue DMA OK Interrupt */ RTL_IMR_COMDOK, /*Command Queue DMA OK Interrupt*/ @@ -2144,6 +2145,9 @@ struct rtl_hal_ops { void (*fill_tx_cmddesc) (struct ieee80211_hw *hw, u8 *pdesc, bool firstseg, bool lastseg, struct sk_buff *skb); + void (*fill_tx_special_desc)(struct ieee80211_hw *hw, + u8 *pdesc, u8 *pbd_desc, + struct sk_buff *skb, u8 hw_queue); bool (*query_rx_desc) (struct ieee80211_hw *hw, struct rtl_stats *stats, struct ieee80211_rx_status *rx_status, -- 2.11.0