2388 lines
65 KiB
C
2388 lines
65 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright(c) 2009-2012 Realtek Corporation.*/
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#include "wifi.h"
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#include "core.h"
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#include "pci.h"
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#include "base.h"
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#include "ps.h"
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#include "efuse.h"
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#include <linux/interrupt.h>
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#include <linux/export.h>
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#include <linux/module.h>
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MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
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MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
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MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("PCI basic driver for rtlwifi");
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static const u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = {
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INTEL_VENDOR_ID,
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ATI_VENDOR_ID,
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AMD_VENDOR_ID,
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SIS_VENDOR_ID
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};
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static const u8 ac_to_hwq[] = {
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VO_QUEUE,
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VI_QUEUE,
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BE_QUEUE,
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BK_QUEUE
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};
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static u8 _rtl_mac_to_hwqueue(struct ieee80211_hw *hw, struct sk_buff *skb)
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{
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struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
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__le16 fc = rtl_get_fc(skb);
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u8 queue_index = skb_get_queue_mapping(skb);
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struct ieee80211_hdr *hdr;
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if (unlikely(ieee80211_is_beacon(fc)))
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return BEACON_QUEUE;
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if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
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return MGNT_QUEUE;
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if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE)
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if (ieee80211_is_nullfunc(fc))
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return HIGH_QUEUE;
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if (rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) {
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hdr = rtl_get_hdr(skb);
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if (is_multicast_ether_addr(hdr->addr1) ||
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is_broadcast_ether_addr(hdr->addr1))
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return HIGH_QUEUE;
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}
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return ac_to_hwq[queue_index];
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}
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/* Update PCI dependent default settings*/
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static void _rtl_pci_update_default_setting(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
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struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
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struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
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u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor;
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u16 init_aspm;
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ppsc->reg_rfps_level = 0;
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ppsc->support_aspm = false;
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/*Update PCI ASPM setting */
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switch (rtlpci->const_pci_aspm) {
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case 0:
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/*No ASPM */
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break;
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case 1:
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/*ASPM dynamically enabled/disable. */
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ppsc->reg_rfps_level |= RT_RF_LPS_LEVEL_ASPM;
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break;
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case 2:
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/*ASPM with Clock Req dynamically enabled/disable. */
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ppsc->reg_rfps_level |= (RT_RF_LPS_LEVEL_ASPM |
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RT_RF_OFF_LEVL_CLK_REQ);
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break;
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case 3:
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/* Always enable ASPM and Clock Req
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* from initialization to halt.
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*/
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ppsc->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM);
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ppsc->reg_rfps_level |= (RT_RF_PS_LEVEL_ALWAYS_ASPM |
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RT_RF_OFF_LEVL_CLK_REQ);
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break;
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case 4:
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/* Always enable ASPM without Clock Req
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* from initialization to halt.
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*/
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ppsc->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM |
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RT_RF_OFF_LEVL_CLK_REQ);
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ppsc->reg_rfps_level |= RT_RF_PS_LEVEL_ALWAYS_ASPM;
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break;
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}
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ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC;
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/*Update Radio OFF setting */
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switch (rtlpci->const_hwsw_rfoff_d3) {
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case 1:
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if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM)
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ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM;
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break;
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case 2:
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if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM)
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ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM;
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ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC;
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break;
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case 3:
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ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_PCI_D3;
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break;
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}
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/*Set HW definition to determine if it supports ASPM. */
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switch (rtlpci->const_support_pciaspm) {
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case 0:
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/*Not support ASPM. */
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ppsc->support_aspm = false;
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break;
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case 1:
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/*Support ASPM. */
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ppsc->support_aspm = true;
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ppsc->support_backdoor = true;
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break;
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case 2:
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/*ASPM value set by chipset. */
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if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL)
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ppsc->support_aspm = true;
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break;
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default:
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pr_err("switch case %#x not processed\n",
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rtlpci->const_support_pciaspm);
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break;
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}
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/* toshiba aspm issue, toshiba will set aspm selfly
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* so we should not set aspm in driver
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*/
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pcie_capability_read_word(rtlpci->pdev, PCI_EXP_LNKCTL, &init_aspm);
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if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8192SE &&
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((u8)init_aspm) == (PCI_EXP_LNKCTL_ASPM_L0S |
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PCI_EXP_LNKCTL_ASPM_L1 | PCI_EXP_LNKCTL_CCC))
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ppsc->support_aspm = false;
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}
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static bool _rtl_pci_platform_switch_device_pci_aspm(
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struct ieee80211_hw *hw,
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u8 value)
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{
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struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
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struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
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value &= PCI_EXP_LNKCTL_ASPMC;
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if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)
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value |= PCI_EXP_LNKCTL_CCC;
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pcie_capability_clear_and_set_word(rtlpci->pdev, PCI_EXP_LNKCTL,
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PCI_EXP_LNKCTL_ASPMC | value,
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value);
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return false;
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}
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/* @value is PCI_EXP_LNKCTL_CLKREQ_EN or 0 to enable/disable clk request. */
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static void _rtl_pci_switch_clk_req(struct ieee80211_hw *hw, u16 value)
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{
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struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
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struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
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value &= PCI_EXP_LNKCTL_CLKREQ_EN;
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pcie_capability_clear_and_set_word(rtlpci->pdev, PCI_EXP_LNKCTL,
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PCI_EXP_LNKCTL_CLKREQ_EN,
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value);
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if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE)
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udelay(100);
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}
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/*Disable RTL8192SE ASPM & Disable Pci Bridge ASPM*/
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static void rtl_pci_disable_aspm(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
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struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
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struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
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u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor;
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/*Retrieve original configuration settings. */
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u8 linkctrl_reg = pcipriv->ndis_adapter.linkctrl_reg;
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u16 aspmlevel = 0;
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u16 tmp_u1b = 0;
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if (!ppsc->support_aspm)
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return;
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if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) {
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rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
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"PCI(Bridge) UNKNOWN\n");
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return;
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}
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if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) {
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RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ);
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_rtl_pci_switch_clk_req(hw, 0x0);
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}
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/*for promising device will in L0 state after an I/O. */
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pcie_capability_read_word(rtlpci->pdev, PCI_EXP_LNKCTL, &tmp_u1b);
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/*Set corresponding value. */
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aspmlevel |= PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1;
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linkctrl_reg &= ~aspmlevel;
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_rtl_pci_platform_switch_device_pci_aspm(hw, linkctrl_reg);
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}
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/*Enable RTL8192SE ASPM & Enable Pci Bridge ASPM for
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*power saving We should follow the sequence to enable
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*RTL8192SE first then enable Pci Bridge ASPM
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*or the system will show bluescreen.
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*/
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static void rtl_pci_enable_aspm(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
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struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
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struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
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u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor;
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u16 aspmlevel;
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u8 u_device_aspmsetting;
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if (!ppsc->support_aspm)
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return;
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if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) {
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rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
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"PCI(Bridge) UNKNOWN\n");
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return;
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}
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/*Get ASPM level (with/without Clock Req) */
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aspmlevel = rtlpci->const_devicepci_aspm_setting;
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u_device_aspmsetting = pcipriv->ndis_adapter.linkctrl_reg;
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/*_rtl_pci_platform_switch_device_pci_aspm(dev,*/
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/*(priv->ndis_adapter.linkctrl_reg | ASPMLevel)); */
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u_device_aspmsetting |= aspmlevel;
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_rtl_pci_platform_switch_device_pci_aspm(hw, u_device_aspmsetting);
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if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) {
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_rtl_pci_switch_clk_req(hw, (ppsc->reg_rfps_level &
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RT_RF_OFF_LEVL_CLK_REQ) ?
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PCI_EXP_LNKCTL_CLKREQ_EN : 0);
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RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ);
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}
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udelay(100);
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}
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static bool rtl_pci_get_amd_l1_patch(struct ieee80211_hw *hw)
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{
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struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
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bool status = false;
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u8 offset_e0;
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unsigned int offset_e4;
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pci_write_config_byte(rtlpci->pdev, 0xe0, 0xa0);
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pci_read_config_byte(rtlpci->pdev, 0xe0, &offset_e0);
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if (offset_e0 == 0xA0) {
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pci_read_config_dword(rtlpci->pdev, 0xe4, &offset_e4);
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if (offset_e4 & BIT(23))
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status = true;
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}
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return status;
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}
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static bool rtl_pci_check_buddy_priv(struct ieee80211_hw *hw,
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struct rtl_priv **buddy_priv)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
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struct rtl_priv *tpriv = NULL, *iter;
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struct rtl_pci_priv *tpcipriv = NULL;
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if (!list_empty(&rtlpriv->glb_var->glb_priv_list)) {
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list_for_each_entry(iter, &rtlpriv->glb_var->glb_priv_list,
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list) {
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tpcipriv = (struct rtl_pci_priv *)iter->priv;
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rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
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"pcipriv->ndis_adapter.funcnumber %x\n",
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pcipriv->ndis_adapter.funcnumber);
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rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
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"tpcipriv->ndis_adapter.funcnumber %x\n",
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tpcipriv->ndis_adapter.funcnumber);
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if (pcipriv->ndis_adapter.busnumber ==
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tpcipriv->ndis_adapter.busnumber &&
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pcipriv->ndis_adapter.devnumber ==
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tpcipriv->ndis_adapter.devnumber &&
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pcipriv->ndis_adapter.funcnumber !=
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tpcipriv->ndis_adapter.funcnumber) {
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tpriv = iter;
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break;
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}
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}
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}
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rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
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"find_buddy_priv %d\n", tpriv != NULL);
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if (tpriv)
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*buddy_priv = tpriv;
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return tpriv != NULL;
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}
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static void rtl_pci_parse_configuration(struct pci_dev *pdev,
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struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
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u8 tmp;
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u16 linkctrl_reg;
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/*Link Control Register */
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pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &linkctrl_reg);
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pcipriv->ndis_adapter.linkctrl_reg = (u8)linkctrl_reg;
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rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "Link Control Register =%x\n",
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pcipriv->ndis_adapter.linkctrl_reg);
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pcie_capability_set_word(pdev, PCI_EXP_DEVCTL2,
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PCI_EXP_DEVCTL2_COMP_TMOUT_DIS);
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tmp = 0x17;
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pci_write_config_byte(pdev, 0x70f, tmp);
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}
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static void rtl_pci_init_aspm(struct ieee80211_hw *hw)
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{
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struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
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_rtl_pci_update_default_setting(hw);
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if (ppsc->reg_rfps_level & RT_RF_PS_LEVEL_ALWAYS_ASPM) {
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/*Always enable ASPM & Clock Req. */
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rtl_pci_enable_aspm(hw);
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RT_SET_PS_LEVEL(ppsc, RT_RF_PS_LEVEL_ALWAYS_ASPM);
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}
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}
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static void _rtl_pci_io_handler_init(struct device *dev,
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struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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rtlpriv->io.dev = dev;
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rtlpriv->io.write8 = pci_write8_async;
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rtlpriv->io.write16 = pci_write16_async;
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rtlpriv->io.write32 = pci_write32_async;
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rtlpriv->io.read8 = pci_read8_sync;
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rtlpriv->io.read16 = pci_read16_sync;
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rtlpriv->io.read32 = pci_read32_sync;
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}
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static bool _rtl_update_earlymode_info(struct ieee80211_hw *hw,
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struct sk_buff *skb,
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struct rtl_tcb_desc *tcb_desc, u8 tid)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
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struct sk_buff *next_skb;
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u8 additionlen = FCS_LEN;
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/* here open is 4, wep/tkip is 8, aes is 12*/
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if (info->control.hw_key)
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additionlen += info->control.hw_key->icv_len;
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/* The most skb num is 6 */
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tcb_desc->empkt_num = 0;
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spin_lock_bh(&rtlpriv->locks.waitq_lock);
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skb_queue_walk(&rtlpriv->mac80211.skb_waitq[tid], next_skb) {
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struct ieee80211_tx_info *next_info;
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next_info = IEEE80211_SKB_CB(next_skb);
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if (next_info->flags & IEEE80211_TX_CTL_AMPDU) {
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tcb_desc->empkt_len[tcb_desc->empkt_num] =
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next_skb->len + additionlen;
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tcb_desc->empkt_num++;
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} else {
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break;
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}
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if (skb_queue_is_last(&rtlpriv->mac80211.skb_waitq[tid],
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next_skb))
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break;
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if (tcb_desc->empkt_num >= rtlhal->max_earlymode_num)
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break;
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}
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spin_unlock_bh(&rtlpriv->locks.waitq_lock);
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return true;
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}
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/* just for early mode now */
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static void _rtl_pci_tx_chk_waitq(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
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struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
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struct sk_buff *skb = NULL;
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struct ieee80211_tx_info *info = NULL;
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struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
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int tid;
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if (!rtlpriv->rtlhal.earlymode_enable)
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return;
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/* we just use em for BE/BK/VI/VO */
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for (tid = 7; tid >= 0; tid--) {
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u8 hw_queue = ac_to_hwq[rtl_tid_to_ac(tid)];
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struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
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while (!mac->act_scanning &&
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rtlpriv->psc.rfpwr_state == ERFON) {
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struct rtl_tcb_desc tcb_desc;
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memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
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spin_lock(&rtlpriv->locks.waitq_lock);
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if (!skb_queue_empty(&mac->skb_waitq[tid]) &&
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(ring->entries - skb_queue_len(&ring->queue) >
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|
rtlhal->max_earlymode_num)) {
|
|
skb = skb_dequeue(&mac->skb_waitq[tid]);
|
|
} else {
|
|
spin_unlock(&rtlpriv->locks.waitq_lock);
|
|
break;
|
|
}
|
|
spin_unlock(&rtlpriv->locks.waitq_lock);
|
|
|
|
/* Some macaddr can't do early mode. like
|
|
* multicast/broadcast/no_qos data
|
|
*/
|
|
info = IEEE80211_SKB_CB(skb);
|
|
if (info->flags & IEEE80211_TX_CTL_AMPDU)
|
|
_rtl_update_earlymode_info(hw, skb,
|
|
&tcb_desc, tid);
|
|
|
|
rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
|
|
struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[prio];
|
|
|
|
while (skb_queue_len(&ring->queue)) {
|
|
struct sk_buff *skb;
|
|
struct ieee80211_tx_info *info;
|
|
__le16 fc;
|
|
u8 tid;
|
|
u8 *entry;
|
|
|
|
if (rtlpriv->use_new_trx_flow)
|
|
entry = (u8 *)(&ring->buffer_desc[ring->idx]);
|
|
else
|
|
entry = (u8 *)(&ring->desc[ring->idx]);
|
|
|
|
if (!rtlpriv->cfg->ops->is_tx_desc_closed(hw, prio, ring->idx))
|
|
return;
|
|
ring->idx = (ring->idx + 1) % ring->entries;
|
|
|
|
skb = __skb_dequeue(&ring->queue);
|
|
dma_unmap_single(&rtlpci->pdev->dev,
|
|
rtlpriv->cfg->ops->get_desc(hw, (u8 *)entry,
|
|
true, HW_DESC_TXBUFF_ADDR),
|
|
skb->len, DMA_TO_DEVICE);
|
|
|
|
/* remove early mode header */
|
|
if (rtlpriv->rtlhal.earlymode_enable)
|
|
skb_pull(skb, EM_HDR_LEN);
|
|
|
|
rtl_dbg(rtlpriv, (COMP_INTR | COMP_SEND), DBG_TRACE,
|
|
"new ring->idx:%d, free: skb_queue_len:%d, free: seq:%x\n",
|
|
ring->idx,
|
|
skb_queue_len(&ring->queue),
|
|
*(u16 *)(skb->data + 22));
|
|
|
|
if (prio == TXCMD_QUEUE) {
|
|
dev_kfree_skb(skb);
|
|
goto tx_status_ok;
|
|
}
|
|
|
|
/* for sw LPS, just after NULL skb send out, we can
|
|
* sure AP knows we are sleeping, we should not let
|
|
* rf sleep
|
|
*/
|
|
fc = rtl_get_fc(skb);
|
|
if (ieee80211_is_nullfunc(fc)) {
|
|
if (ieee80211_has_pm(fc)) {
|
|
rtlpriv->mac80211.offchan_delay = true;
|
|
rtlpriv->psc.state_inap = true;
|
|
} else {
|
|
rtlpriv->psc.state_inap = false;
|
|
}
|
|
}
|
|
if (ieee80211_is_action(fc)) {
|
|
struct ieee80211_mgmt *action_frame =
|
|
(struct ieee80211_mgmt *)skb->data;
|
|
if (action_frame->u.action.u.ht_smps.action ==
|
|
WLAN_HT_ACTION_SMPS) {
|
|
dev_kfree_skb(skb);
|
|
goto tx_status_ok;
|
|
}
|
|
}
|
|
|
|
/* update tid tx pkt num */
|
|
tid = rtl_get_tid(skb);
|
|
if (tid <= 7)
|
|
rtlpriv->link_info.tidtx_inperiod[tid]++;
|
|
|
|
info = IEEE80211_SKB_CB(skb);
|
|
|
|
if (likely(!ieee80211_is_nullfunc(fc))) {
|
|
ieee80211_tx_info_clear_status(info);
|
|
info->flags |= IEEE80211_TX_STAT_ACK;
|
|
/*info->status.rates[0].count = 1; */
|
|
ieee80211_tx_status_irqsafe(hw, skb);
|
|
} else {
|
|
rtl_tx_ackqueue(hw, skb);
|
|
}
|
|
|
|
if ((ring->entries - skb_queue_len(&ring->queue)) <= 4) {
|
|
rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG,
|
|
"more desc left, wake skb_queue@%d, ring->idx = %d, skb_queue_len = 0x%x\n",
|
|
prio, ring->idx,
|
|
skb_queue_len(&ring->queue));
|
|
|
|
ieee80211_wake_queue(hw, skb_get_queue_mapping(skb));
|
|
}
|
|
tx_status_ok:
|
|
skb = NULL;
|
|
}
|
|
|
|
if (((rtlpriv->link_info.num_rx_inperiod +
|
|
rtlpriv->link_info.num_tx_inperiod) > 8) ||
|
|
rtlpriv->link_info.num_rx_inperiod > 2)
|
|
rtl_lps_leave(hw, false);
|
|
}
|
|
|
|
static int _rtl_pci_init_one_rxdesc(struct ieee80211_hw *hw,
|
|
struct sk_buff *new_skb, u8 *entry,
|
|
int rxring_idx, int desc_idx)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
u32 bufferaddress;
|
|
u8 tmp_one = 1;
|
|
struct sk_buff *skb;
|
|
|
|
if (likely(new_skb)) {
|
|
skb = new_skb;
|
|
goto remap;
|
|
}
|
|
skb = dev_alloc_skb(rtlpci->rxbuffersize);
|
|
if (!skb)
|
|
return 0;
|
|
|
|
remap:
|
|
/* just set skb->cb to mapping addr for pci_unmap_single use */
|
|
*((dma_addr_t *)skb->cb) =
|
|
dma_map_single(&rtlpci->pdev->dev, skb_tail_pointer(skb),
|
|
rtlpci->rxbuffersize, DMA_FROM_DEVICE);
|
|
bufferaddress = *((dma_addr_t *)skb->cb);
|
|
if (dma_mapping_error(&rtlpci->pdev->dev, bufferaddress))
|
|
return 0;
|
|
rtlpci->rx_ring[rxring_idx].rx_buf[desc_idx] = skb;
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
/* skb->cb may be 64 bit address */
|
|
rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
|
|
HW_DESC_RX_PREPARE,
|
|
(u8 *)(dma_addr_t *)skb->cb);
|
|
} else {
|
|
rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
|
|
HW_DESC_RXBUFF_ADDR,
|
|
(u8 *)&bufferaddress);
|
|
rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
|
|
HW_DESC_RXPKT_LEN,
|
|
(u8 *)&rtlpci->rxbuffersize);
|
|
rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
|
|
HW_DESC_RXOWN,
|
|
(u8 *)&tmp_one);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* inorder to receive 8K AMSDU we have set skb to
|
|
* 9100bytes in init rx ring, but if this packet is
|
|
* not a AMSDU, this large packet will be sent to
|
|
* TCP/IP directly, this cause big packet ping fail
|
|
* like: "ping -s 65507", so here we will realloc skb
|
|
* based on the true size of packet, Mac80211
|
|
* Probably will do it better, but does not yet.
|
|
*
|
|
* Some platform will fail when alloc skb sometimes.
|
|
* in this condition, we will send the old skb to
|
|
* mac80211 directly, this will not cause any other
|
|
* issues, but only this packet will be lost by TCP/IP
|
|
*/
|
|
static void _rtl_pci_rx_to_mac80211(struct ieee80211_hw *hw,
|
|
struct sk_buff *skb,
|
|
struct ieee80211_rx_status rx_status)
|
|
{
|
|
if (unlikely(!rtl_action_proc(hw, skb, false))) {
|
|
dev_kfree_skb_any(skb);
|
|
} else {
|
|
struct sk_buff *uskb = NULL;
|
|
|
|
uskb = dev_alloc_skb(skb->len + 128);
|
|
if (likely(uskb)) {
|
|
memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status,
|
|
sizeof(rx_status));
|
|
skb_put_data(uskb, skb->data, skb->len);
|
|
dev_kfree_skb_any(skb);
|
|
ieee80211_rx_irqsafe(hw, uskb);
|
|
} else {
|
|
ieee80211_rx_irqsafe(hw, skb);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*hsisr interrupt handler*/
|
|
static void _rtl_pci_hs_interrupt(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
|
|
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[MAC_HSISR],
|
|
rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[MAC_HSISR]) |
|
|
rtlpci->sys_irq_mask);
|
|
}
|
|
|
|
static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
int rxring_idx = RTL_PCI_RX_MPDU_QUEUE;
|
|
struct ieee80211_rx_status rx_status = { 0 };
|
|
unsigned int count = rtlpci->rxringcount;
|
|
u8 own;
|
|
u8 tmp_one;
|
|
bool unicast = false;
|
|
u8 hw_queue = 0;
|
|
unsigned int rx_remained_cnt = 0;
|
|
struct rtl_stats stats = {
|
|
.signal = 0,
|
|
.rate = 0,
|
|
};
|
|
|
|
/*RX NORMAL PKT */
|
|
while (count--) {
|
|
struct ieee80211_hdr *hdr;
|
|
__le16 fc;
|
|
u16 len;
|
|
/*rx buffer descriptor */
|
|
struct rtl_rx_buffer_desc *buffer_desc = NULL;
|
|
/*if use new trx flow, it means wifi info */
|
|
struct rtl_rx_desc *pdesc = NULL;
|
|
/*rx pkt */
|
|
struct sk_buff *skb = rtlpci->rx_ring[rxring_idx].rx_buf[
|
|
rtlpci->rx_ring[rxring_idx].idx];
|
|
struct sk_buff *new_skb;
|
|
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
if (rx_remained_cnt == 0)
|
|
rx_remained_cnt =
|
|
rtlpriv->cfg->ops->rx_desc_buff_remained_cnt(hw,
|
|
hw_queue);
|
|
if (rx_remained_cnt == 0)
|
|
return;
|
|
buffer_desc = &rtlpci->rx_ring[rxring_idx].buffer_desc[
|
|
rtlpci->rx_ring[rxring_idx].idx];
|
|
pdesc = (struct rtl_rx_desc *)skb->data;
|
|
} else { /* rx descriptor */
|
|
pdesc = &rtlpci->rx_ring[rxring_idx].desc[
|
|
rtlpci->rx_ring[rxring_idx].idx];
|
|
|
|
own = (u8)rtlpriv->cfg->ops->get_desc(hw, (u8 *)pdesc,
|
|
false,
|
|
HW_DESC_OWN);
|
|
if (own) /* wait data to be filled by hardware */
|
|
return;
|
|
}
|
|
|
|
/* Reaching this point means: data is filled already
|
|
* AAAAAAttention !!!
|
|
* We can NOT access 'skb' before 'pci_unmap_single'
|
|
*/
|
|
dma_unmap_single(&rtlpci->pdev->dev, *((dma_addr_t *)skb->cb),
|
|
rtlpci->rxbuffersize, DMA_FROM_DEVICE);
|
|
|
|
/* get a new skb - if fail, old one will be reused */
|
|
new_skb = dev_alloc_skb(rtlpci->rxbuffersize);
|
|
if (unlikely(!new_skb))
|
|
goto no_new;
|
|
memset(&rx_status, 0, sizeof(rx_status));
|
|
rtlpriv->cfg->ops->query_rx_desc(hw, &stats,
|
|
&rx_status, (u8 *)pdesc, skb);
|
|
|
|
if (rtlpriv->use_new_trx_flow)
|
|
rtlpriv->cfg->ops->rx_check_dma_ok(hw,
|
|
(u8 *)buffer_desc,
|
|
hw_queue);
|
|
|
|
len = rtlpriv->cfg->ops->get_desc(hw, (u8 *)pdesc, false,
|
|
HW_DESC_RXPKT_LEN);
|
|
|
|
if (skb->end - skb->tail > len) {
|
|
skb_put(skb, len);
|
|
if (rtlpriv->use_new_trx_flow)
|
|
skb_reserve(skb, stats.rx_drvinfo_size +
|
|
stats.rx_bufshift + 24);
|
|
else
|
|
skb_reserve(skb, stats.rx_drvinfo_size +
|
|
stats.rx_bufshift);
|
|
} else {
|
|
rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
|
|
"skb->end - skb->tail = %d, len is %d\n",
|
|
skb->end - skb->tail, len);
|
|
dev_kfree_skb_any(skb);
|
|
goto new_trx_end;
|
|
}
|
|
/* handle command packet here */
|
|
if (stats.packet_report_type == C2H_PACKET) {
|
|
rtl_c2hcmd_enqueue(hw, skb);
|
|
goto new_trx_end;
|
|
}
|
|
|
|
/* NOTICE This can not be use for mac80211,
|
|
* this is done in mac80211 code,
|
|
* if done here sec DHCP will fail
|
|
* skb_trim(skb, skb->len - 4);
|
|
*/
|
|
|
|
hdr = rtl_get_hdr(skb);
|
|
fc = rtl_get_fc(skb);
|
|
|
|
if (!stats.crc && !stats.hwerror && (skb->len > FCS_LEN)) {
|
|
memcpy(IEEE80211_SKB_RXCB(skb), &rx_status,
|
|
sizeof(rx_status));
|
|
|
|
if (is_broadcast_ether_addr(hdr->addr1)) {
|
|
;/*TODO*/
|
|
} else if (is_multicast_ether_addr(hdr->addr1)) {
|
|
;/*TODO*/
|
|
} else {
|
|
unicast = true;
|
|
rtlpriv->stats.rxbytesunicast += skb->len;
|
|
}
|
|
rtl_is_special_data(hw, skb, false, true);
|
|
|
|
if (ieee80211_is_data(fc)) {
|
|
rtlpriv->cfg->ops->led_control(hw, LED_CTL_RX);
|
|
if (unicast)
|
|
rtlpriv->link_info.num_rx_inperiod++;
|
|
}
|
|
|
|
rtl_collect_scan_list(hw, skb);
|
|
|
|
/* static bcn for roaming */
|
|
rtl_beacon_statistic(hw, skb);
|
|
rtl_p2p_info(hw, (void *)skb->data, skb->len);
|
|
/* for sw lps */
|
|
rtl_swlps_beacon(hw, (void *)skb->data, skb->len);
|
|
rtl_recognize_peer(hw, (void *)skb->data, skb->len);
|
|
if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP &&
|
|
rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G &&
|
|
(ieee80211_is_beacon(fc) ||
|
|
ieee80211_is_probe_resp(fc))) {
|
|
dev_kfree_skb_any(skb);
|
|
} else {
|
|
_rtl_pci_rx_to_mac80211(hw, skb, rx_status);
|
|
}
|
|
} else {
|
|
/* drop packets with errors or those too short */
|
|
dev_kfree_skb_any(skb);
|
|
}
|
|
new_trx_end:
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
rtlpci->rx_ring[hw_queue].next_rx_rp += 1;
|
|
rtlpci->rx_ring[hw_queue].next_rx_rp %=
|
|
RTL_PCI_MAX_RX_COUNT;
|
|
|
|
rx_remained_cnt--;
|
|
rtl_write_word(rtlpriv, 0x3B4,
|
|
rtlpci->rx_ring[hw_queue].next_rx_rp);
|
|
}
|
|
if (((rtlpriv->link_info.num_rx_inperiod +
|
|
rtlpriv->link_info.num_tx_inperiod) > 8) ||
|
|
rtlpriv->link_info.num_rx_inperiod > 2)
|
|
rtl_lps_leave(hw, false);
|
|
skb = new_skb;
|
|
no_new:
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
_rtl_pci_init_one_rxdesc(hw, skb, (u8 *)buffer_desc,
|
|
rxring_idx,
|
|
rtlpci->rx_ring[rxring_idx].idx);
|
|
} else {
|
|
_rtl_pci_init_one_rxdesc(hw, skb, (u8 *)pdesc,
|
|
rxring_idx,
|
|
rtlpci->rx_ring[rxring_idx].idx);
|
|
if (rtlpci->rx_ring[rxring_idx].idx ==
|
|
rtlpci->rxringcount - 1)
|
|
rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc,
|
|
false,
|
|
HW_DESC_RXERO,
|
|
(u8 *)&tmp_one);
|
|
}
|
|
rtlpci->rx_ring[rxring_idx].idx =
|
|
(rtlpci->rx_ring[rxring_idx].idx + 1) %
|
|
rtlpci->rxringcount;
|
|
}
|
|
}
|
|
|
|
static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id)
|
|
{
|
|
struct ieee80211_hw *hw = dev_id;
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
|
|
unsigned long flags;
|
|
struct rtl_int intvec = {0};
|
|
|
|
irqreturn_t ret = IRQ_HANDLED;
|
|
|
|
if (rtlpci->irq_enabled == 0)
|
|
return ret;
|
|
|
|
spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
|
|
rtlpriv->cfg->ops->disable_interrupt(hw);
|
|
|
|
/*read ISR: 4/8bytes */
|
|
rtlpriv->cfg->ops->interrupt_recognized(hw, &intvec);
|
|
|
|
/*Shared IRQ or HW disappeared */
|
|
if (!intvec.inta || intvec.inta == 0xffff)
|
|
goto done;
|
|
|
|
/*<1> beacon related */
|
|
if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_TBDOK])
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE,
|
|
"beacon ok interrupt!\n");
|
|
|
|
if (unlikely(intvec.inta & rtlpriv->cfg->maps[RTL_IMR_TBDER]))
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE,
|
|
"beacon err interrupt!\n");
|
|
|
|
if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_BDOK])
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, "beacon interrupt!\n");
|
|
|
|
if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_BCNINT]) {
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE,
|
|
"prepare beacon for interrupt!\n");
|
|
tasklet_schedule(&rtlpriv->works.irq_prepare_bcn_tasklet);
|
|
}
|
|
|
|
/*<2> Tx related */
|
|
if (unlikely(intvec.intb & rtlpriv->cfg->maps[RTL_IMR_TXFOVW]))
|
|
rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, "IMR_TXFOVW!\n");
|
|
|
|
if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_MGNTDOK]) {
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE,
|
|
"Manage ok interrupt!\n");
|
|
_rtl_pci_tx_isr(hw, MGNT_QUEUE);
|
|
}
|
|
|
|
if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_HIGHDOK]) {
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE,
|
|
"HIGH_QUEUE ok interrupt!\n");
|
|
_rtl_pci_tx_isr(hw, HIGH_QUEUE);
|
|
}
|
|
|
|
if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_BKDOK]) {
|
|
rtlpriv->link_info.num_tx_inperiod++;
|
|
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE,
|
|
"BK Tx OK interrupt!\n");
|
|
_rtl_pci_tx_isr(hw, BK_QUEUE);
|
|
}
|
|
|
|
if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_BEDOK]) {
|
|
rtlpriv->link_info.num_tx_inperiod++;
|
|
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE,
|
|
"BE TX OK interrupt!\n");
|
|
_rtl_pci_tx_isr(hw, BE_QUEUE);
|
|
}
|
|
|
|
if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_VIDOK]) {
|
|
rtlpriv->link_info.num_tx_inperiod++;
|
|
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE,
|
|
"VI TX OK interrupt!\n");
|
|
_rtl_pci_tx_isr(hw, VI_QUEUE);
|
|
}
|
|
|
|
if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_VODOK]) {
|
|
rtlpriv->link_info.num_tx_inperiod++;
|
|
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE,
|
|
"Vo TX OK interrupt!\n");
|
|
_rtl_pci_tx_isr(hw, VO_QUEUE);
|
|
}
|
|
|
|
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) {
|
|
if (intvec.intd & rtlpriv->cfg->maps[RTL_IMR_H2CDOK]) {
|
|
rtlpriv->link_info.num_tx_inperiod++;
|
|
|
|
rtl_dbg(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 (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_COMDOK]) {
|
|
rtlpriv->link_info.num_tx_inperiod++;
|
|
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE,
|
|
"CMD TX OK interrupt!\n");
|
|
_rtl_pci_tx_isr(hw, TXCMD_QUEUE);
|
|
}
|
|
}
|
|
|
|
/*<3> Rx related */
|
|
if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_ROK]) {
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, "Rx ok interrupt!\n");
|
|
_rtl_pci_rx_interrupt(hw);
|
|
}
|
|
|
|
if (unlikely(intvec.inta & rtlpriv->cfg->maps[RTL_IMR_RDU])) {
|
|
rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
|
|
"rx descriptor unavailable!\n");
|
|
_rtl_pci_rx_interrupt(hw);
|
|
}
|
|
|
|
if (unlikely(intvec.intb & rtlpriv->cfg->maps[RTL_IMR_RXFOVW])) {
|
|
rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, "rx overflow !\n");
|
|
_rtl_pci_rx_interrupt(hw);
|
|
}
|
|
|
|
/*<4> fw related*/
|
|
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723AE) {
|
|
if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_C2HCMD]) {
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE,
|
|
"firmware interrupt!\n");
|
|
queue_delayed_work(rtlpriv->works.rtl_wq,
|
|
&rtlpriv->works.fwevt_wq, 0);
|
|
}
|
|
}
|
|
|
|
/*<5> hsisr related*/
|
|
/* Only 8188EE & 8723BE Supported.
|
|
* If Other ICs Come in, System will corrupt,
|
|
* because maps[RTL_IMR_HSISR_IND] & maps[MAC_HSISR]
|
|
* are not initialized
|
|
*/
|
|
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE ||
|
|
rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE) {
|
|
if (unlikely(intvec.inta &
|
|
rtlpriv->cfg->maps[RTL_IMR_HSISR_IND])) {
|
|
rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE,
|
|
"hsisr interrupt!\n");
|
|
_rtl_pci_hs_interrupt(hw);
|
|
}
|
|
}
|
|
|
|
if (rtlpriv->rtlhal.earlymode_enable)
|
|
tasklet_schedule(&rtlpriv->works.irq_tasklet);
|
|
|
|
done:
|
|
rtlpriv->cfg->ops->enable_interrupt(hw);
|
|
spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
|
|
return ret;
|
|
}
|
|
|
|
static void _rtl_pci_irq_tasklet(struct tasklet_struct *t)
|
|
{
|
|
struct rtl_priv *rtlpriv = from_tasklet(rtlpriv, t, works.irq_tasklet);
|
|
struct ieee80211_hw *hw = rtlpriv->hw;
|
|
_rtl_pci_tx_chk_waitq(hw);
|
|
}
|
|
|
|
static void _rtl_pci_prepare_bcn_tasklet(struct tasklet_struct *t)
|
|
{
|
|
struct rtl_priv *rtlpriv = from_tasklet(rtlpriv, t,
|
|
works.irq_prepare_bcn_tasklet);
|
|
struct ieee80211_hw *hw = rtlpriv->hw;
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
|
|
struct rtl8192_tx_ring *ring = NULL;
|
|
struct ieee80211_hdr *hdr = NULL;
|
|
struct ieee80211_tx_info *info = NULL;
|
|
struct sk_buff *pskb = NULL;
|
|
struct rtl_tx_desc *pdesc = NULL;
|
|
struct rtl_tcb_desc tcb_desc;
|
|
/*This is for new trx flow*/
|
|
struct rtl_tx_buffer_desc *pbuffer_desc = NULL;
|
|
u8 temp_one = 1;
|
|
u8 *entry;
|
|
|
|
memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
|
|
ring = &rtlpci->tx_ring[BEACON_QUEUE];
|
|
pskb = __skb_dequeue(&ring->queue);
|
|
if (rtlpriv->use_new_trx_flow)
|
|
entry = (u8 *)(&ring->buffer_desc[ring->idx]);
|
|
else
|
|
entry = (u8 *)(&ring->desc[ring->idx]);
|
|
if (pskb) {
|
|
dma_unmap_single(&rtlpci->pdev->dev,
|
|
rtlpriv->cfg->ops->get_desc(hw, (u8 *)entry,
|
|
true, HW_DESC_TXBUFF_ADDR),
|
|
pskb->len, DMA_TO_DEVICE);
|
|
kfree_skb(pskb);
|
|
}
|
|
|
|
/*NB: the beacon data buffer must be 32-bit aligned. */
|
|
pskb = ieee80211_beacon_get(hw, mac->vif, 0);
|
|
if (!pskb)
|
|
return;
|
|
hdr = rtl_get_hdr(pskb);
|
|
info = IEEE80211_SKB_CB(pskb);
|
|
pdesc = &ring->desc[0];
|
|
if (rtlpriv->use_new_trx_flow)
|
|
pbuffer_desc = &ring->buffer_desc[0];
|
|
|
|
rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc,
|
|
(u8 *)pbuffer_desc, info, NULL, pskb,
|
|
BEACON_QUEUE, &tcb_desc);
|
|
|
|
__skb_queue_tail(&ring->queue, pskb);
|
|
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
temp_one = 4;
|
|
rtlpriv->cfg->ops->set_desc(hw, (u8 *)pbuffer_desc, true,
|
|
HW_DESC_OWN, (u8 *)&temp_one);
|
|
} else {
|
|
rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, HW_DESC_OWN,
|
|
&temp_one);
|
|
}
|
|
}
|
|
|
|
static void _rtl_pci_init_trx_var(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
|
|
u8 i;
|
|
u16 desc_num;
|
|
|
|
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192EE)
|
|
desc_num = TX_DESC_NUM_92E;
|
|
else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE)
|
|
desc_num = TX_DESC_NUM_8822B;
|
|
else
|
|
desc_num = RT_TXDESC_NUM;
|
|
|
|
for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++)
|
|
rtlpci->txringcount[i] = desc_num;
|
|
|
|
/*we just alloc 2 desc for beacon queue,
|
|
*because we just need first desc in hw beacon.
|
|
*/
|
|
rtlpci->txringcount[BEACON_QUEUE] = 2;
|
|
|
|
/*BE queue need more descriptor for performance
|
|
*consideration or, No more tx desc will happen,
|
|
*and may cause mac80211 mem leakage.
|
|
*/
|
|
if (!rtl_priv(hw)->use_new_trx_flow)
|
|
rtlpci->txringcount[BE_QUEUE] = RT_TXDESC_NUM_BE_QUEUE;
|
|
|
|
rtlpci->rxbuffersize = 9100; /*2048/1024; */
|
|
rtlpci->rxringcount = RTL_PCI_MAX_RX_COUNT; /*64; */
|
|
}
|
|
|
|
static void _rtl_pci_init_struct(struct ieee80211_hw *hw,
|
|
struct pci_dev *pdev)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
|
|
|
|
rtlpci->up_first_time = true;
|
|
rtlpci->being_init_adapter = false;
|
|
|
|
rtlhal->hw = hw;
|
|
rtlpci->pdev = pdev;
|
|
|
|
/*Tx/Rx related var */
|
|
_rtl_pci_init_trx_var(hw);
|
|
|
|
/*IBSS*/
|
|
mac->beacon_interval = 100;
|
|
|
|
/*AMPDU*/
|
|
mac->min_space_cfg = 0;
|
|
mac->max_mss_density = 0;
|
|
/*set sane AMPDU defaults */
|
|
mac->current_ampdu_density = 7;
|
|
mac->current_ampdu_factor = 3;
|
|
|
|
/*Retry Limit*/
|
|
mac->retry_short = 7;
|
|
mac->retry_long = 7;
|
|
|
|
/*QOS*/
|
|
rtlpci->acm_method = EACMWAY2_SW;
|
|
|
|
/*task */
|
|
tasklet_setup(&rtlpriv->works.irq_tasklet, _rtl_pci_irq_tasklet);
|
|
tasklet_setup(&rtlpriv->works.irq_prepare_bcn_tasklet,
|
|
_rtl_pci_prepare_bcn_tasklet);
|
|
INIT_WORK(&rtlpriv->works.lps_change_work,
|
|
rtl_lps_change_work_callback);
|
|
}
|
|
|
|
static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
|
|
unsigned int prio, unsigned int entries)
|
|
{
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_tx_buffer_desc *buffer_desc;
|
|
struct rtl_tx_desc *desc;
|
|
dma_addr_t buffer_desc_dma, desc_dma;
|
|
u32 nextdescaddress;
|
|
int i;
|
|
|
|
/* alloc tx buffer desc for new trx flow*/
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
buffer_desc =
|
|
dma_alloc_coherent(&rtlpci->pdev->dev,
|
|
sizeof(*buffer_desc) * entries,
|
|
&buffer_desc_dma, GFP_KERNEL);
|
|
|
|
if (!buffer_desc || (unsigned long)buffer_desc & 0xFF) {
|
|
pr_err("Cannot allocate TX ring (prio = %d)\n",
|
|
prio);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
rtlpci->tx_ring[prio].buffer_desc = buffer_desc;
|
|
rtlpci->tx_ring[prio].buffer_desc_dma = buffer_desc_dma;
|
|
|
|
rtlpci->tx_ring[prio].cur_tx_rp = 0;
|
|
rtlpci->tx_ring[prio].cur_tx_wp = 0;
|
|
}
|
|
|
|
/* alloc dma for this ring */
|
|
desc = dma_alloc_coherent(&rtlpci->pdev->dev, sizeof(*desc) * entries,
|
|
&desc_dma, GFP_KERNEL);
|
|
|
|
if (!desc || (unsigned long)desc & 0xFF) {
|
|
pr_err("Cannot allocate TX ring (prio = %d)\n", prio);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
rtlpci->tx_ring[prio].desc = desc;
|
|
rtlpci->tx_ring[prio].dma = desc_dma;
|
|
|
|
rtlpci->tx_ring[prio].idx = 0;
|
|
rtlpci->tx_ring[prio].entries = entries;
|
|
skb_queue_head_init(&rtlpci->tx_ring[prio].queue);
|
|
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "queue:%d, ring_addr:%p\n",
|
|
prio, desc);
|
|
|
|
/* init every desc in this ring */
|
|
if (!rtlpriv->use_new_trx_flow) {
|
|
for (i = 0; i < entries; i++) {
|
|
nextdescaddress = (u32)desc_dma +
|
|
((i + 1) % entries) *
|
|
sizeof(*desc);
|
|
|
|
rtlpriv->cfg->ops->set_desc(hw, (u8 *)&desc[i],
|
|
true,
|
|
HW_DESC_TX_NEXTDESC_ADDR,
|
|
(u8 *)&nextdescaddress);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx)
|
|
{
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
int i;
|
|
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
struct rtl_rx_buffer_desc *entry = NULL;
|
|
/* alloc dma for this ring */
|
|
rtlpci->rx_ring[rxring_idx].buffer_desc =
|
|
dma_alloc_coherent(&rtlpci->pdev->dev,
|
|
sizeof(*rtlpci->rx_ring[rxring_idx].buffer_desc) *
|
|
rtlpci->rxringcount,
|
|
&rtlpci->rx_ring[rxring_idx].dma, GFP_KERNEL);
|
|
if (!rtlpci->rx_ring[rxring_idx].buffer_desc ||
|
|
(ulong)rtlpci->rx_ring[rxring_idx].buffer_desc & 0xFF) {
|
|
pr_err("Cannot allocate RX ring\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* init every desc in this ring */
|
|
rtlpci->rx_ring[rxring_idx].idx = 0;
|
|
for (i = 0; i < rtlpci->rxringcount; i++) {
|
|
entry = &rtlpci->rx_ring[rxring_idx].buffer_desc[i];
|
|
if (!_rtl_pci_init_one_rxdesc(hw, NULL, (u8 *)entry,
|
|
rxring_idx, i))
|
|
return -ENOMEM;
|
|
}
|
|
} else {
|
|
struct rtl_rx_desc *entry = NULL;
|
|
u8 tmp_one = 1;
|
|
/* alloc dma for this ring */
|
|
rtlpci->rx_ring[rxring_idx].desc =
|
|
dma_alloc_coherent(&rtlpci->pdev->dev,
|
|
sizeof(*rtlpci->rx_ring[rxring_idx].desc) *
|
|
rtlpci->rxringcount,
|
|
&rtlpci->rx_ring[rxring_idx].dma, GFP_KERNEL);
|
|
if (!rtlpci->rx_ring[rxring_idx].desc ||
|
|
(unsigned long)rtlpci->rx_ring[rxring_idx].desc & 0xFF) {
|
|
pr_err("Cannot allocate RX ring\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* init every desc in this ring */
|
|
rtlpci->rx_ring[rxring_idx].idx = 0;
|
|
|
|
for (i = 0; i < rtlpci->rxringcount; i++) {
|
|
entry = &rtlpci->rx_ring[rxring_idx].desc[i];
|
|
if (!_rtl_pci_init_one_rxdesc(hw, NULL, (u8 *)entry,
|
|
rxring_idx, i))
|
|
return -ENOMEM;
|
|
}
|
|
|
|
rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
|
|
HW_DESC_RXERO, &tmp_one);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void _rtl_pci_free_tx_ring(struct ieee80211_hw *hw,
|
|
unsigned int prio)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[prio];
|
|
|
|
/* free every desc in this ring */
|
|
while (skb_queue_len(&ring->queue)) {
|
|
u8 *entry;
|
|
struct sk_buff *skb = __skb_dequeue(&ring->queue);
|
|
|
|
if (rtlpriv->use_new_trx_flow)
|
|
entry = (u8 *)(&ring->buffer_desc[ring->idx]);
|
|
else
|
|
entry = (u8 *)(&ring->desc[ring->idx]);
|
|
|
|
dma_unmap_single(&rtlpci->pdev->dev,
|
|
rtlpriv->cfg->ops->get_desc(hw, (u8 *)entry,
|
|
true, HW_DESC_TXBUFF_ADDR),
|
|
skb->len, DMA_TO_DEVICE);
|
|
kfree_skb(skb);
|
|
ring->idx = (ring->idx + 1) % ring->entries;
|
|
}
|
|
|
|
/* free dma of this ring */
|
|
dma_free_coherent(&rtlpci->pdev->dev,
|
|
sizeof(*ring->desc) * ring->entries, ring->desc,
|
|
ring->dma);
|
|
ring->desc = NULL;
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
dma_free_coherent(&rtlpci->pdev->dev,
|
|
sizeof(*ring->buffer_desc) * ring->entries,
|
|
ring->buffer_desc, ring->buffer_desc_dma);
|
|
ring->buffer_desc = NULL;
|
|
}
|
|
}
|
|
|
|
static void _rtl_pci_free_rx_ring(struct ieee80211_hw *hw, int rxring_idx)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
int i;
|
|
|
|
/* free every desc in this ring */
|
|
for (i = 0; i < rtlpci->rxringcount; i++) {
|
|
struct sk_buff *skb = rtlpci->rx_ring[rxring_idx].rx_buf[i];
|
|
|
|
if (!skb)
|
|
continue;
|
|
dma_unmap_single(&rtlpci->pdev->dev, *((dma_addr_t *)skb->cb),
|
|
rtlpci->rxbuffersize, DMA_FROM_DEVICE);
|
|
kfree_skb(skb);
|
|
}
|
|
|
|
/* free dma of this ring */
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
dma_free_coherent(&rtlpci->pdev->dev,
|
|
sizeof(*rtlpci->rx_ring[rxring_idx].buffer_desc) *
|
|
rtlpci->rxringcount,
|
|
rtlpci->rx_ring[rxring_idx].buffer_desc,
|
|
rtlpci->rx_ring[rxring_idx].dma);
|
|
rtlpci->rx_ring[rxring_idx].buffer_desc = NULL;
|
|
} else {
|
|
dma_free_coherent(&rtlpci->pdev->dev,
|
|
sizeof(*rtlpci->rx_ring[rxring_idx].desc) *
|
|
rtlpci->rxringcount,
|
|
rtlpci->rx_ring[rxring_idx].desc,
|
|
rtlpci->rx_ring[rxring_idx].dma);
|
|
rtlpci->rx_ring[rxring_idx].desc = NULL;
|
|
}
|
|
}
|
|
|
|
static int _rtl_pci_init_trx_ring(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
int ret;
|
|
int i, rxring_idx;
|
|
|
|
/* rxring_idx 0:RX_MPDU_QUEUE
|
|
* rxring_idx 1:RX_CMD_QUEUE
|
|
*/
|
|
for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++) {
|
|
ret = _rtl_pci_init_rx_ring(hw, rxring_idx);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) {
|
|
ret = _rtl_pci_init_tx_ring(hw, i, rtlpci->txringcount[i]);
|
|
if (ret)
|
|
goto err_free_rings;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_free_rings:
|
|
for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++)
|
|
_rtl_pci_free_rx_ring(hw, rxring_idx);
|
|
|
|
for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++)
|
|
if (rtlpci->tx_ring[i].desc ||
|
|
rtlpci->tx_ring[i].buffer_desc)
|
|
_rtl_pci_free_tx_ring(hw, i);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int _rtl_pci_deinit_trx_ring(struct ieee80211_hw *hw)
|
|
{
|
|
u32 i, rxring_idx;
|
|
|
|
/*free rx rings */
|
|
for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++)
|
|
_rtl_pci_free_rx_ring(hw, rxring_idx);
|
|
|
|
/*free tx rings */
|
|
for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++)
|
|
_rtl_pci_free_tx_ring(hw, i);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
int i, rxring_idx;
|
|
unsigned long flags;
|
|
u8 tmp_one = 1;
|
|
u32 bufferaddress;
|
|
/* rxring_idx 0:RX_MPDU_QUEUE */
|
|
/* rxring_idx 1:RX_CMD_QUEUE */
|
|
for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++) {
|
|
/* force the rx_ring[RX_MPDU_QUEUE/
|
|
* RX_CMD_QUEUE].idx to the first one
|
|
*new trx flow, do nothing
|
|
*/
|
|
if (!rtlpriv->use_new_trx_flow &&
|
|
rtlpci->rx_ring[rxring_idx].desc) {
|
|
struct rtl_rx_desc *entry = NULL;
|
|
|
|
rtlpci->rx_ring[rxring_idx].idx = 0;
|
|
for (i = 0; i < rtlpci->rxringcount; i++) {
|
|
entry = &rtlpci->rx_ring[rxring_idx].desc[i];
|
|
bufferaddress =
|
|
rtlpriv->cfg->ops->get_desc(hw, (u8 *)entry,
|
|
false, HW_DESC_RXBUFF_ADDR);
|
|
memset((u8 *)entry, 0,
|
|
sizeof(*rtlpci->rx_ring
|
|
[rxring_idx].desc));/*clear one entry*/
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
rtlpriv->cfg->ops->set_desc(hw,
|
|
(u8 *)entry, false,
|
|
HW_DESC_RX_PREPARE,
|
|
(u8 *)&bufferaddress);
|
|
} else {
|
|
rtlpriv->cfg->ops->set_desc(hw,
|
|
(u8 *)entry, false,
|
|
HW_DESC_RXBUFF_ADDR,
|
|
(u8 *)&bufferaddress);
|
|
rtlpriv->cfg->ops->set_desc(hw,
|
|
(u8 *)entry, false,
|
|
HW_DESC_RXPKT_LEN,
|
|
(u8 *)&rtlpci->rxbuffersize);
|
|
rtlpriv->cfg->ops->set_desc(hw,
|
|
(u8 *)entry, false,
|
|
HW_DESC_RXOWN,
|
|
(u8 *)&tmp_one);
|
|
}
|
|
}
|
|
rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
|
|
HW_DESC_RXERO, (u8 *)&tmp_one);
|
|
}
|
|
rtlpci->rx_ring[rxring_idx].idx = 0;
|
|
}
|
|
|
|
/*after reset, release previous pending packet,
|
|
*and force the tx idx to the first one
|
|
*/
|
|
spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
|
|
for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) {
|
|
if (rtlpci->tx_ring[i].desc ||
|
|
rtlpci->tx_ring[i].buffer_desc) {
|
|
struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[i];
|
|
|
|
while (skb_queue_len(&ring->queue)) {
|
|
u8 *entry;
|
|
struct sk_buff *skb =
|
|
__skb_dequeue(&ring->queue);
|
|
if (rtlpriv->use_new_trx_flow)
|
|
entry = (u8 *)(&ring->buffer_desc
|
|
[ring->idx]);
|
|
else
|
|
entry = (u8 *)(&ring->desc[ring->idx]);
|
|
|
|
dma_unmap_single(&rtlpci->pdev->dev,
|
|
rtlpriv->cfg->ops->get_desc(hw, (u8 *)entry,
|
|
true, HW_DESC_TXBUFF_ADDR),
|
|
skb->len, DMA_TO_DEVICE);
|
|
dev_kfree_skb_irq(skb);
|
|
ring->idx = (ring->idx + 1) % ring->entries;
|
|
}
|
|
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
rtlpci->tx_ring[i].cur_tx_rp = 0;
|
|
rtlpci->tx_ring[i].cur_tx_wp = 0;
|
|
}
|
|
|
|
ring->idx = 0;
|
|
ring->entries = rtlpci->txringcount[i];
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool rtl_pci_tx_chk_waitq_insert(struct ieee80211_hw *hw,
|
|
struct ieee80211_sta *sta,
|
|
struct sk_buff *skb)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_sta_info *sta_entry = NULL;
|
|
u8 tid = rtl_get_tid(skb);
|
|
__le16 fc = rtl_get_fc(skb);
|
|
|
|
if (!sta)
|
|
return false;
|
|
sta_entry = (struct rtl_sta_info *)sta->drv_priv;
|
|
|
|
if (!rtlpriv->rtlhal.earlymode_enable)
|
|
return false;
|
|
if (ieee80211_is_nullfunc(fc))
|
|
return false;
|
|
if (ieee80211_is_qos_nullfunc(fc))
|
|
return false;
|
|
if (ieee80211_is_pspoll(fc))
|
|
return false;
|
|
if (sta_entry->tids[tid].agg.agg_state != RTL_AGG_OPERATIONAL)
|
|
return false;
|
|
if (_rtl_mac_to_hwqueue(hw, skb) > VO_QUEUE)
|
|
return false;
|
|
if (tid > 7)
|
|
return false;
|
|
|
|
/* maybe every tid should be checked */
|
|
if (!rtlpriv->link_info.higher_busytxtraffic[tid])
|
|
return false;
|
|
|
|
spin_lock_bh(&rtlpriv->locks.waitq_lock);
|
|
skb_queue_tail(&rtlpriv->mac80211.skb_waitq[tid], skb);
|
|
spin_unlock_bh(&rtlpriv->locks.waitq_lock);
|
|
|
|
return true;
|
|
}
|
|
|
|
static int rtl_pci_tx(struct ieee80211_hw *hw,
|
|
struct ieee80211_sta *sta,
|
|
struct sk_buff *skb,
|
|
struct rtl_tcb_desc *ptcb_desc)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
|
|
struct rtl8192_tx_ring *ring;
|
|
struct rtl_tx_desc *pdesc;
|
|
struct rtl_tx_buffer_desc *ptx_bd_desc = NULL;
|
|
u16 idx;
|
|
u8 hw_queue = _rtl_mac_to_hwqueue(hw, skb);
|
|
unsigned long flags;
|
|
struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
|
|
__le16 fc = rtl_get_fc(skb);
|
|
u8 *pda_addr = hdr->addr1;
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
u8 own;
|
|
u8 temp_one = 1;
|
|
|
|
if (ieee80211_is_mgmt(fc))
|
|
rtl_tx_mgmt_proc(hw, skb);
|
|
|
|
if (rtlpriv->psc.sw_ps_enabled) {
|
|
if (ieee80211_is_data(fc) && !ieee80211_is_nullfunc(fc) &&
|
|
!ieee80211_has_pm(fc))
|
|
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
|
|
}
|
|
|
|
rtl_action_proc(hw, skb, true);
|
|
|
|
if (is_multicast_ether_addr(pda_addr))
|
|
rtlpriv->stats.txbytesmulticast += skb->len;
|
|
else if (is_broadcast_ether_addr(pda_addr))
|
|
rtlpriv->stats.txbytesbroadcast += skb->len;
|
|
else
|
|
rtlpriv->stats.txbytesunicast += skb->len;
|
|
|
|
spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
|
|
ring = &rtlpci->tx_ring[hw_queue];
|
|
if (hw_queue != BEACON_QUEUE) {
|
|
if (rtlpriv->use_new_trx_flow)
|
|
idx = ring->cur_tx_wp;
|
|
else
|
|
idx = (ring->idx + skb_queue_len(&ring->queue)) %
|
|
ring->entries;
|
|
} else {
|
|
idx = 0;
|
|
}
|
|
|
|
pdesc = &ring->desc[idx];
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
ptx_bd_desc = &ring->buffer_desc[idx];
|
|
} else {
|
|
own = (u8)rtlpriv->cfg->ops->get_desc(hw, (u8 *)pdesc,
|
|
true, HW_DESC_OWN);
|
|
|
|
if (own == 1 && hw_queue != BEACON_QUEUE) {
|
|
rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
|
|
"No more TX desc@%d, ring->idx = %d, idx = %d, skb_queue_len = 0x%x\n",
|
|
hw_queue, ring->idx, idx,
|
|
skb_queue_len(&ring->queue));
|
|
|
|
spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock,
|
|
flags);
|
|
return skb->len;
|
|
}
|
|
}
|
|
|
|
if (rtlpriv->cfg->ops->get_available_desc &&
|
|
rtlpriv->cfg->ops->get_available_desc(hw, hw_queue) == 0) {
|
|
rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
|
|
"get_available_desc fail\n");
|
|
spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
|
|
return skb->len;
|
|
}
|
|
|
|
if (ieee80211_is_data(fc))
|
|
rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX);
|
|
|
|
rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc,
|
|
(u8 *)ptx_bd_desc, info, sta, skb, hw_queue, ptcb_desc);
|
|
|
|
__skb_queue_tail(&ring->queue, skb);
|
|
|
|
if (rtlpriv->use_new_trx_flow) {
|
|
rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true,
|
|
HW_DESC_OWN, &hw_queue);
|
|
} else {
|
|
rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true,
|
|
HW_DESC_OWN, &temp_one);
|
|
}
|
|
|
|
if ((ring->entries - skb_queue_len(&ring->queue)) < 2 &&
|
|
hw_queue != BEACON_QUEUE) {
|
|
rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
|
|
"less desc left, stop skb_queue@%d, ring->idx = %d, idx = %d, skb_queue_len = 0x%x\n",
|
|
hw_queue, ring->idx, idx,
|
|
skb_queue_len(&ring->queue));
|
|
|
|
ieee80211_stop_queue(hw, skb_get_queue_mapping(skb));
|
|
}
|
|
|
|
spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
|
|
|
|
rtlpriv->cfg->ops->tx_polling(hw, hw_queue);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rtl_pci_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
|
|
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
|
|
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
|
|
u16 i = 0;
|
|
int queue_id;
|
|
struct rtl8192_tx_ring *ring;
|
|
|
|
if (mac->skip_scan)
|
|
return;
|
|
|
|
for (queue_id = RTL_PCI_MAX_TX_QUEUE_COUNT - 1; queue_id >= 0;) {
|
|
u32 queue_len;
|
|
|
|
if (((queues >> queue_id) & 0x1) == 0) {
|
|
queue_id--;
|
|
continue;
|
|
}
|
|
ring = &pcipriv->dev.tx_ring[queue_id];
|
|
queue_len = skb_queue_len(&ring->queue);
|
|
if (queue_len == 0 || queue_id == BEACON_QUEUE ||
|
|
queue_id == TXCMD_QUEUE) {
|
|
queue_id--;
|
|
continue;
|
|
} else {
|
|
msleep(20);
|
|
i++;
|
|
}
|
|
|
|
/* we just wait 1s for all queues */
|
|
if (rtlpriv->psc.rfpwr_state == ERFOFF ||
|
|
is_hal_stop(rtlhal) || i >= 200)
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void rtl_pci_deinit(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
|
|
_rtl_pci_deinit_trx_ring(hw);
|
|
|
|
synchronize_irq(rtlpci->pdev->irq);
|
|
tasklet_kill(&rtlpriv->works.irq_tasklet);
|
|
cancel_work_sync(&rtlpriv->works.lps_change_work);
|
|
|
|
destroy_workqueue(rtlpriv->works.rtl_wq);
|
|
}
|
|
|
|
static int rtl_pci_init(struct ieee80211_hw *hw, struct pci_dev *pdev)
|
|
{
|
|
int err;
|
|
|
|
_rtl_pci_init_struct(hw, pdev);
|
|
|
|
err = _rtl_pci_init_trx_ring(hw);
|
|
if (err) {
|
|
pr_err("tx ring initialization failed\n");
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl_pci_start(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
|
|
struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
|
|
struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
|
|
|
|
int err;
|
|
|
|
rtl_pci_reset_trx_ring(hw);
|
|
|
|
rtlpci->driver_is_goingto_unload = false;
|
|
if (rtlpriv->cfg->ops->get_btc_status &&
|
|
rtlpriv->cfg->ops->get_btc_status()) {
|
|
rtlpriv->btcoexist.btc_info.ap_num = 36;
|
|
btc_ops->btc_init_variables(rtlpriv);
|
|
btc_ops->btc_init_hal_vars(rtlpriv);
|
|
} else if (btc_ops) {
|
|
btc_ops->btc_init_variables_wifi_only(rtlpriv);
|
|
}
|
|
|
|
err = rtlpriv->cfg->ops->hw_init(hw);
|
|
if (err) {
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
|
|
"Failed to config hardware!\n");
|
|
kfree(rtlpriv->btcoexist.btc_context);
|
|
kfree(rtlpriv->btcoexist.wifi_only_context);
|
|
return err;
|
|
}
|
|
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
|
|
&rtlmac->retry_long);
|
|
|
|
rtlpriv->cfg->ops->enable_interrupt(hw);
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "enable_interrupt OK\n");
|
|
|
|
rtl_init_rx_config(hw);
|
|
|
|
/*should be after adapter start and interrupt enable. */
|
|
set_hal_start(rtlhal);
|
|
|
|
RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
|
|
|
|
rtlpci->up_first_time = false;
|
|
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "%s OK\n", __func__);
|
|
return 0;
|
|
}
|
|
|
|
static void rtl_pci_stop(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
|
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
|
|
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
|
|
unsigned long flags;
|
|
u8 rf_timeout = 0;
|
|
|
|
if (rtlpriv->cfg->ops->get_btc_status())
|
|
rtlpriv->btcoexist.btc_ops->btc_halt_notify(rtlpriv);
|
|
|
|
if (rtlpriv->btcoexist.btc_ops)
|
|
rtlpriv->btcoexist.btc_ops->btc_deinit_variables(rtlpriv);
|
|
|
|
/*should be before disable interrupt&adapter
|
|
*and will do it immediately.
|
|
*/
|
|
set_hal_stop(rtlhal);
|
|
|
|
rtlpci->driver_is_goingto_unload = true;
|
|
rtlpriv->cfg->ops->disable_interrupt(hw);
|
|
cancel_work_sync(&rtlpriv->works.lps_change_work);
|
|
|
|
spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags);
|
|
while (ppsc->rfchange_inprogress) {
|
|
spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags);
|
|
if (rf_timeout > 100) {
|
|
spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags);
|
|
break;
|
|
}
|
|
mdelay(1);
|
|
rf_timeout++;
|
|
spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags);
|
|
}
|
|
ppsc->rfchange_inprogress = true;
|
|
spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags);
|
|
|
|
rtlpriv->cfg->ops->hw_disable(hw);
|
|
/* some things are not needed if firmware not available */
|
|
if (!rtlpriv->max_fw_size)
|
|
return;
|
|
rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_OFF);
|
|
|
|
spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags);
|
|
ppsc->rfchange_inprogress = false;
|
|
spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags);
|
|
|
|
rtl_pci_enable_aspm(hw);
|
|
}
|
|
|
|
static bool _rtl_pci_find_adapter(struct pci_dev *pdev,
|
|
struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
|
|
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
|
|
struct pci_dev *bridge_pdev = pdev->bus->self;
|
|
u16 venderid;
|
|
u16 deviceid;
|
|
u8 revisionid;
|
|
u16 irqline;
|
|
u8 tmp;
|
|
|
|
pcipriv->ndis_adapter.pcibridge_vendor = PCI_BRIDGE_VENDOR_UNKNOWN;
|
|
venderid = pdev->vendor;
|
|
deviceid = pdev->device;
|
|
pci_read_config_byte(pdev, 0x8, &revisionid);
|
|
pci_read_config_word(pdev, 0x3C, &irqline);
|
|
|
|
/* PCI ID 0x10ec:0x8192 occurs for both RTL8192E, which uses
|
|
* r8192e_pci, and RTL8192SE, which uses this driver. If the
|
|
* revision ID is RTL_PCI_REVISION_ID_8192PCIE (0x01), then
|
|
* the correct driver is r8192e_pci, thus this routine should
|
|
* return false.
|
|
*/
|
|
if (deviceid == RTL_PCI_8192SE_DID &&
|
|
revisionid == RTL_PCI_REVISION_ID_8192PCIE)
|
|
return false;
|
|
|
|
if (deviceid == RTL_PCI_8192_DID ||
|
|
deviceid == RTL_PCI_0044_DID ||
|
|
deviceid == RTL_PCI_0047_DID ||
|
|
deviceid == RTL_PCI_8192SE_DID ||
|
|
deviceid == RTL_PCI_8174_DID ||
|
|
deviceid == RTL_PCI_8173_DID ||
|
|
deviceid == RTL_PCI_8172_DID ||
|
|
deviceid == RTL_PCI_8171_DID) {
|
|
switch (revisionid) {
|
|
case RTL_PCI_REVISION_ID_8192PCIE:
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
|
|
"8192 PCI-E is found - vid/did=%x/%x\n",
|
|
venderid, deviceid);
|
|
rtlhal->hw_type = HARDWARE_TYPE_RTL8192E;
|
|
return false;
|
|
case RTL_PCI_REVISION_ID_8192SE:
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
|
|
"8192SE is found - vid/did=%x/%x\n",
|
|
venderid, deviceid);
|
|
rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE;
|
|
break;
|
|
default:
|
|
rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
|
|
"Err: Unknown device - vid/did=%x/%x\n",
|
|
venderid, deviceid);
|
|
rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE;
|
|
break;
|
|
}
|
|
} else if (deviceid == RTL_PCI_8723AE_DID) {
|
|
rtlhal->hw_type = HARDWARE_TYPE_RTL8723AE;
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
|
|
"8723AE PCI-E is found - vid/did=%x/%x\n",
|
|
venderid, deviceid);
|
|
} else if (deviceid == RTL_PCI_8192CET_DID ||
|
|
deviceid == RTL_PCI_8192CE_DID ||
|
|
deviceid == RTL_PCI_8191CE_DID ||
|
|
deviceid == RTL_PCI_8188CE_DID) {
|
|
rtlhal->hw_type = HARDWARE_TYPE_RTL8192CE;
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
|
|
"8192C PCI-E is found - vid/did=%x/%x\n",
|
|
venderid, deviceid);
|
|
} else if (deviceid == RTL_PCI_8192DE_DID ||
|
|
deviceid == RTL_PCI_8192DE_DID2) {
|
|
rtlhal->hw_type = HARDWARE_TYPE_RTL8192DE;
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
|
|
"8192D PCI-E is found - vid/did=%x/%x\n",
|
|
venderid, deviceid);
|
|
} else if (deviceid == RTL_PCI_8188EE_DID) {
|
|
rtlhal->hw_type = HARDWARE_TYPE_RTL8188EE;
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
|
|
"Find adapter, Hardware type is 8188EE\n");
|
|
} else if (deviceid == RTL_PCI_8723BE_DID) {
|
|
rtlhal->hw_type = HARDWARE_TYPE_RTL8723BE;
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
|
|
"Find adapter, Hardware type is 8723BE\n");
|
|
} else if (deviceid == RTL_PCI_8192EE_DID) {
|
|
rtlhal->hw_type = HARDWARE_TYPE_RTL8192EE;
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
|
|
"Find adapter, Hardware type is 8192EE\n");
|
|
} else if (deviceid == RTL_PCI_8821AE_DID) {
|
|
rtlhal->hw_type = HARDWARE_TYPE_RTL8821AE;
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
|
|
"Find adapter, Hardware type is 8821AE\n");
|
|
} else if (deviceid == RTL_PCI_8812AE_DID) {
|
|
rtlhal->hw_type = HARDWARE_TYPE_RTL8812AE;
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
|
|
"Find adapter, Hardware type is 8812AE\n");
|
|
} else if (deviceid == RTL_PCI_8822BE_DID) {
|
|
rtlhal->hw_type = HARDWARE_TYPE_RTL8822BE;
|
|
rtlhal->bandset = BAND_ON_BOTH;
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
|
|
"Find adapter, Hardware type is 8822BE\n");
|
|
} else {
|
|
rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
|
|
"Err: Unknown device - vid/did=%x/%x\n",
|
|
venderid, deviceid);
|
|
|
|
rtlhal->hw_type = RTL_DEFAULT_HARDWARE_TYPE;
|
|
}
|
|
|
|
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192DE) {
|
|
if (revisionid == 0 || revisionid == 1) {
|
|
if (revisionid == 0) {
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
|
|
"Find 92DE MAC0\n");
|
|
rtlhal->interfaceindex = 0;
|
|
} else if (revisionid == 1) {
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
|
|
"Find 92DE MAC1\n");
|
|
rtlhal->interfaceindex = 1;
|
|
}
|
|
} else {
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
|
|
"Unknown device - VendorID/DeviceID=%x/%x, Revision=%x\n",
|
|
venderid, deviceid, revisionid);
|
|
rtlhal->interfaceindex = 0;
|
|
}
|
|
}
|
|
|
|
switch (rtlhal->hw_type) {
|
|
case HARDWARE_TYPE_RTL8192EE:
|
|
case HARDWARE_TYPE_RTL8822BE:
|
|
/* use new trx flow */
|
|
rtlpriv->use_new_trx_flow = true;
|
|
break;
|
|
|
|
default:
|
|
rtlpriv->use_new_trx_flow = false;
|
|
break;
|
|
}
|
|
|
|
/*find bus info */
|
|
pcipriv->ndis_adapter.busnumber = pdev->bus->number;
|
|
pcipriv->ndis_adapter.devnumber = PCI_SLOT(pdev->devfn);
|
|
pcipriv->ndis_adapter.funcnumber = PCI_FUNC(pdev->devfn);
|
|
|
|
/*find bridge info */
|
|
pcipriv->ndis_adapter.pcibridge_vendor = PCI_BRIDGE_VENDOR_UNKNOWN;
|
|
/* some ARM have no bridge_pdev and will crash here
|
|
* so we should check if bridge_pdev is NULL
|
|
*/
|
|
if (bridge_pdev) {
|
|
/*find bridge info if available */
|
|
for (tmp = 0; tmp < PCI_BRIDGE_VENDOR_MAX; tmp++) {
|
|
if (bridge_pdev->vendor == pcibridge_vendors[tmp]) {
|
|
pcipriv->ndis_adapter.pcibridge_vendor = tmp;
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
|
|
"Pci Bridge Vendor is found index: %d\n",
|
|
tmp);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (pcipriv->ndis_adapter.pcibridge_vendor !=
|
|
PCI_BRIDGE_VENDOR_UNKNOWN) {
|
|
pcipriv->ndis_adapter.pcibridge_busnum =
|
|
bridge_pdev->bus->number;
|
|
pcipriv->ndis_adapter.pcibridge_devnum =
|
|
PCI_SLOT(bridge_pdev->devfn);
|
|
pcipriv->ndis_adapter.pcibridge_funcnum =
|
|
PCI_FUNC(bridge_pdev->devfn);
|
|
|
|
if (pcipriv->ndis_adapter.pcibridge_vendor ==
|
|
PCI_BRIDGE_VENDOR_AMD) {
|
|
pcipriv->ndis_adapter.amd_l1_patch =
|
|
rtl_pci_get_amd_l1_patch(hw);
|
|
}
|
|
}
|
|
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
|
|
"pcidev busnumber:devnumber:funcnumber:vendor:link_ctl %d:%d:%d:%x:%x\n",
|
|
pcipriv->ndis_adapter.busnumber,
|
|
pcipriv->ndis_adapter.devnumber,
|
|
pcipriv->ndis_adapter.funcnumber,
|
|
pdev->vendor, pcipriv->ndis_adapter.linkctrl_reg);
|
|
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
|
|
"pci_bridge busnumber:devnumber:funcnumber:vendor:amd %d:%d:%d:%x:%x\n",
|
|
pcipriv->ndis_adapter.pcibridge_busnum,
|
|
pcipriv->ndis_adapter.pcibridge_devnum,
|
|
pcipriv->ndis_adapter.pcibridge_funcnum,
|
|
pcibridge_vendors[pcipriv->ndis_adapter.pcibridge_vendor],
|
|
pcipriv->ndis_adapter.amd_l1_patch);
|
|
|
|
rtl_pci_parse_configuration(pdev, hw);
|
|
list_add_tail(&rtlpriv->list, &rtlpriv->glb_var->glb_priv_list);
|
|
|
|
return true;
|
|
}
|
|
|
|
static int rtl_pci_intr_mode_msi(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(pcipriv);
|
|
int ret;
|
|
|
|
ret = pci_enable_msi(rtlpci->pdev);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = request_irq(rtlpci->pdev->irq, &_rtl_pci_interrupt,
|
|
IRQF_SHARED, KBUILD_MODNAME, hw);
|
|
if (ret < 0) {
|
|
pci_disable_msi(rtlpci->pdev);
|
|
return ret;
|
|
}
|
|
|
|
rtlpci->using_msi = true;
|
|
|
|
rtl_dbg(rtlpriv, COMP_INIT | COMP_INTR, DBG_DMESG,
|
|
"MSI Interrupt Mode!\n");
|
|
return 0;
|
|
}
|
|
|
|
static int rtl_pci_intr_mode_legacy(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(pcipriv);
|
|
int ret;
|
|
|
|
ret = request_irq(rtlpci->pdev->irq, &_rtl_pci_interrupt,
|
|
IRQF_SHARED, KBUILD_MODNAME, hw);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
rtlpci->using_msi = false;
|
|
rtl_dbg(rtlpriv, COMP_INIT | COMP_INTR, DBG_DMESG,
|
|
"Pin-based Interrupt Mode!\n");
|
|
return 0;
|
|
}
|
|
|
|
static int rtl_pci_intr_mode_decide(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(pcipriv);
|
|
int ret;
|
|
|
|
if (rtlpci->msi_support) {
|
|
ret = rtl_pci_intr_mode_msi(hw);
|
|
if (ret < 0)
|
|
ret = rtl_pci_intr_mode_legacy(hw);
|
|
} else {
|
|
ret = rtl_pci_intr_mode_legacy(hw);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void platform_enable_dma64(struct pci_dev *pdev, bool dma64)
|
|
{
|
|
u8 value;
|
|
|
|
pci_read_config_byte(pdev, 0x719, &value);
|
|
|
|
/* 0x719 Bit5 is DMA64 bit fetch. */
|
|
if (dma64)
|
|
value |= BIT(5);
|
|
else
|
|
value &= ~BIT(5);
|
|
|
|
pci_write_config_byte(pdev, 0x719, value);
|
|
}
|
|
|
|
int rtl_pci_probe(struct pci_dev *pdev,
|
|
const struct pci_device_id *id)
|
|
{
|
|
struct ieee80211_hw *hw = NULL;
|
|
|
|
struct rtl_priv *rtlpriv = NULL;
|
|
struct rtl_pci_priv *pcipriv = NULL;
|
|
struct rtl_pci *rtlpci;
|
|
unsigned long pmem_start, pmem_len, pmem_flags;
|
|
int err;
|
|
|
|
err = pci_enable_device(pdev);
|
|
if (err) {
|
|
WARN_ONCE(true, "%s : Cannot enable new PCI device\n",
|
|
pci_name(pdev));
|
|
return err;
|
|
}
|
|
|
|
if (((struct rtl_hal_cfg *)id->driver_data)->mod_params->dma64 &&
|
|
!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
|
|
if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) {
|
|
WARN_ONCE(true,
|
|
"Unable to obtain 64bit DMA for consistent allocations\n");
|
|
err = -ENOMEM;
|
|
goto fail1;
|
|
}
|
|
|
|
platform_enable_dma64(pdev, true);
|
|
} else if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
|
|
if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32))) {
|
|
WARN_ONCE(true,
|
|
"rtlwifi: Unable to obtain 32bit DMA for consistent allocations\n");
|
|
err = -ENOMEM;
|
|
goto fail1;
|
|
}
|
|
|
|
platform_enable_dma64(pdev, false);
|
|
}
|
|
|
|
pci_set_master(pdev);
|
|
|
|
hw = ieee80211_alloc_hw(sizeof(struct rtl_pci_priv) +
|
|
sizeof(struct rtl_priv), &rtl_ops);
|
|
if (!hw) {
|
|
WARN_ONCE(true,
|
|
"%s : ieee80211 alloc failed\n", pci_name(pdev));
|
|
err = -ENOMEM;
|
|
goto fail1;
|
|
}
|
|
|
|
SET_IEEE80211_DEV(hw, &pdev->dev);
|
|
pci_set_drvdata(pdev, hw);
|
|
|
|
rtlpriv = hw->priv;
|
|
rtlpriv->hw = hw;
|
|
pcipriv = (void *)rtlpriv->priv;
|
|
pcipriv->dev.pdev = pdev;
|
|
init_completion(&rtlpriv->firmware_loading_complete);
|
|
/*proximity init here*/
|
|
rtlpriv->proximity.proxim_on = false;
|
|
|
|
pcipriv = (void *)rtlpriv->priv;
|
|
pcipriv->dev.pdev = pdev;
|
|
|
|
/* init cfg & intf_ops */
|
|
rtlpriv->rtlhal.interface = INTF_PCI;
|
|
rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_data);
|
|
rtlpriv->intf_ops = &rtl_pci_ops;
|
|
rtlpriv->glb_var = &rtl_global_var;
|
|
rtl_efuse_ops_init(hw);
|
|
|
|
/* MEM map */
|
|
err = pci_request_regions(pdev, KBUILD_MODNAME);
|
|
if (err) {
|
|
WARN_ONCE(true, "rtlwifi: Can't obtain PCI resources\n");
|
|
goto fail1;
|
|
}
|
|
|
|
pmem_start = pci_resource_start(pdev, rtlpriv->cfg->bar_id);
|
|
pmem_len = pci_resource_len(pdev, rtlpriv->cfg->bar_id);
|
|
pmem_flags = pci_resource_flags(pdev, rtlpriv->cfg->bar_id);
|
|
|
|
/*shared mem start */
|
|
rtlpriv->io.pci_mem_start =
|
|
(unsigned long)pci_iomap(pdev,
|
|
rtlpriv->cfg->bar_id, pmem_len);
|
|
if (rtlpriv->io.pci_mem_start == 0) {
|
|
WARN_ONCE(true, "rtlwifi: Can't map PCI mem\n");
|
|
err = -ENOMEM;
|
|
goto fail2;
|
|
}
|
|
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
|
|
"mem mapped space: start: 0x%08lx len:%08lx flags:%08lx, after map:0x%08lx\n",
|
|
pmem_start, pmem_len, pmem_flags,
|
|
rtlpriv->io.pci_mem_start);
|
|
|
|
/* Disable Clk Request */
|
|
pci_write_config_byte(pdev, 0x81, 0);
|
|
/* leave D3 mode */
|
|
pci_write_config_byte(pdev, 0x44, 0);
|
|
pci_write_config_byte(pdev, 0x04, 0x06);
|
|
pci_write_config_byte(pdev, 0x04, 0x07);
|
|
|
|
/* find adapter */
|
|
if (!_rtl_pci_find_adapter(pdev, hw)) {
|
|
err = -ENODEV;
|
|
goto fail2;
|
|
}
|
|
|
|
/* Init IO handler */
|
|
_rtl_pci_io_handler_init(&pdev->dev, hw);
|
|
|
|
/*like read eeprom and so on */
|
|
rtlpriv->cfg->ops->read_eeprom_info(hw);
|
|
|
|
if (rtlpriv->cfg->ops->init_sw_vars(hw)) {
|
|
pr_err("Can't init_sw_vars\n");
|
|
err = -ENODEV;
|
|
goto fail3;
|
|
}
|
|
rtl_init_sw_leds(hw);
|
|
|
|
/*aspm */
|
|
rtl_pci_init_aspm(hw);
|
|
|
|
/* Init mac80211 sw */
|
|
err = rtl_init_core(hw);
|
|
if (err) {
|
|
pr_err("Can't allocate sw for mac80211\n");
|
|
goto fail3;
|
|
}
|
|
|
|
/* Init PCI sw */
|
|
err = rtl_pci_init(hw, pdev);
|
|
if (err) {
|
|
pr_err("Failed to init PCI\n");
|
|
goto fail3;
|
|
}
|
|
|
|
err = ieee80211_register_hw(hw);
|
|
if (err) {
|
|
pr_err("Can't register mac80211 hw.\n");
|
|
err = -ENODEV;
|
|
goto fail3;
|
|
}
|
|
rtlpriv->mac80211.mac80211_registered = 1;
|
|
|
|
/* add for debug */
|
|
rtl_debug_add_one(hw);
|
|
|
|
/*init rfkill */
|
|
rtl_init_rfkill(hw); /* Init PCI sw */
|
|
|
|
rtlpci = rtl_pcidev(pcipriv);
|
|
err = rtl_pci_intr_mode_decide(hw);
|
|
if (err) {
|
|
rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
|
|
"%s: failed to register IRQ handler\n",
|
|
wiphy_name(hw->wiphy));
|
|
goto fail3;
|
|
}
|
|
rtlpci->irq_alloc = 1;
|
|
|
|
set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
|
|
return 0;
|
|
|
|
fail3:
|
|
pci_set_drvdata(pdev, NULL);
|
|
rtl_deinit_core(hw);
|
|
|
|
fail2:
|
|
if (rtlpriv->io.pci_mem_start != 0)
|
|
pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start);
|
|
|
|
pci_release_regions(pdev);
|
|
complete(&rtlpriv->firmware_loading_complete);
|
|
|
|
fail1:
|
|
if (hw)
|
|
ieee80211_free_hw(hw);
|
|
pci_disable_device(pdev);
|
|
|
|
return err;
|
|
}
|
|
EXPORT_SYMBOL(rtl_pci_probe);
|
|
|
|
void rtl_pci_disconnect(struct pci_dev *pdev)
|
|
{
|
|
struct ieee80211_hw *hw = pci_get_drvdata(pdev);
|
|
struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_pci *rtlpci = rtl_pcidev(pcipriv);
|
|
struct rtl_mac *rtlmac = rtl_mac(rtlpriv);
|
|
|
|
/* just in case driver is removed before firmware callback */
|
|
wait_for_completion(&rtlpriv->firmware_loading_complete);
|
|
clear_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
|
|
|
|
/* remove form debug */
|
|
rtl_debug_remove_one(hw);
|
|
|
|
/*ieee80211_unregister_hw will call ops_stop */
|
|
if (rtlmac->mac80211_registered == 1) {
|
|
ieee80211_unregister_hw(hw);
|
|
rtlmac->mac80211_registered = 0;
|
|
} else {
|
|
rtl_deinit_deferred_work(hw, false);
|
|
rtlpriv->intf_ops->adapter_stop(hw);
|
|
}
|
|
rtlpriv->cfg->ops->disable_interrupt(hw);
|
|
|
|
/*deinit rfkill */
|
|
rtl_deinit_rfkill(hw);
|
|
|
|
rtl_pci_deinit(hw);
|
|
rtl_deinit_core(hw);
|
|
rtlpriv->cfg->ops->deinit_sw_vars(hw);
|
|
|
|
if (rtlpci->irq_alloc) {
|
|
free_irq(rtlpci->pdev->irq, hw);
|
|
rtlpci->irq_alloc = 0;
|
|
}
|
|
|
|
if (rtlpci->using_msi)
|
|
pci_disable_msi(rtlpci->pdev);
|
|
|
|
list_del(&rtlpriv->list);
|
|
if (rtlpriv->io.pci_mem_start != 0) {
|
|
pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start);
|
|
pci_release_regions(pdev);
|
|
}
|
|
|
|
pci_disable_device(pdev);
|
|
|
|
rtl_pci_disable_aspm(hw);
|
|
|
|
pci_set_drvdata(pdev, NULL);
|
|
|
|
ieee80211_free_hw(hw);
|
|
}
|
|
EXPORT_SYMBOL(rtl_pci_disconnect);
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
/***************************************
|
|
* kernel pci power state define:
|
|
* PCI_D0 ((pci_power_t __force) 0)
|
|
* PCI_D1 ((pci_power_t __force) 1)
|
|
* PCI_D2 ((pci_power_t __force) 2)
|
|
* PCI_D3hot ((pci_power_t __force) 3)
|
|
* PCI_D3cold ((pci_power_t __force) 4)
|
|
* PCI_UNKNOWN ((pci_power_t __force) 5)
|
|
|
|
* This function is called when system
|
|
* goes into suspend state mac80211 will
|
|
* call rtl_mac_stop() from the mac80211
|
|
* suspend function first, So there is
|
|
* no need to call hw_disable here.
|
|
****************************************/
|
|
int rtl_pci_suspend(struct device *dev)
|
|
{
|
|
struct ieee80211_hw *hw = dev_get_drvdata(dev);
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
|
|
rtlpriv->cfg->ops->hw_suspend(hw);
|
|
rtl_deinit_rfkill(hw);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(rtl_pci_suspend);
|
|
|
|
int rtl_pci_resume(struct device *dev)
|
|
{
|
|
struct ieee80211_hw *hw = dev_get_drvdata(dev);
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
|
|
rtlpriv->cfg->ops->hw_resume(hw);
|
|
rtl_init_rfkill(hw);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(rtl_pci_resume);
|
|
#endif /* CONFIG_PM_SLEEP */
|
|
|
|
const struct rtl_intf_ops rtl_pci_ops = {
|
|
.adapter_start = rtl_pci_start,
|
|
.adapter_stop = rtl_pci_stop,
|
|
.check_buddy_priv = rtl_pci_check_buddy_priv,
|
|
.adapter_tx = rtl_pci_tx,
|
|
.flush = rtl_pci_flush,
|
|
.reset_trx_ring = rtl_pci_reset_trx_ring,
|
|
.waitq_insert = rtl_pci_tx_chk_waitq_insert,
|
|
|
|
.disable_aspm = rtl_pci_disable_aspm,
|
|
.enable_aspm = rtl_pci_enable_aspm,
|
|
};
|