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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/net/wireless/rtlwifi/pci.c
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/net/wireless/rtlwifi/pci.c')
-rw-r--r--drivers/net/wireless/rtlwifi/pci.c2478
1 files changed, 0 insertions, 2478 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
deleted file mode 100644
index f46c9d7f6..000000000
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ /dev/null
@@ -1,2478 +0,0 @@
-/******************************************************************************
- *
- * Copyright(c) 2009-2012 Realtek Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called LICENSE.
- *
- * Contact Information:
- * wlanfae <wlanfae@realtek.com>
- * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
- * Hsinchu 300, Taiwan.
- *
- * Larry Finger <Larry.Finger@lwfinger.net>
- *
- *****************************************************************************/
-
-#include "wifi.h"
-#include "core.h"
-#include "pci.h"
-#include "base.h"
-#include "ps.h"
-#include "efuse.h"
-#include <linux/interrupt.h>
-#include <linux/export.h>
-#include <linux/kmemleak.h>
-#include <linux/module.h>
-
-MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
-MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
-MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("PCI basic driver for rtlwifi");
-
-static const u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = {
- INTEL_VENDOR_ID,
- ATI_VENDOR_ID,
- AMD_VENDOR_ID,
- SIS_VENDOR_ID
-};
-
-static const u8 ac_to_hwq[] = {
- VO_QUEUE,
- VI_QUEUE,
- BE_QUEUE,
- BK_QUEUE
-};
-
-static u8 _rtl_mac_to_hwqueue(struct ieee80211_hw *hw,
- struct sk_buff *skb)
-{
- struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
- __le16 fc = rtl_get_fc(skb);
- u8 queue_index = skb_get_queue_mapping(skb);
-
- if (unlikely(ieee80211_is_beacon(fc)))
- return BEACON_QUEUE;
- if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
- return MGNT_QUEUE;
- if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE)
- if (ieee80211_is_nullfunc(fc))
- return HIGH_QUEUE;
-
- return ac_to_hwq[queue_index];
-}
-
-/* Update PCI dependent default settings*/
-static void _rtl_pci_update_default_setting(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
- struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
- u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor;
- u8 init_aspm;
-
- ppsc->reg_rfps_level = 0;
- ppsc->support_aspm = false;
-
- /*Update PCI ASPM setting */
- ppsc->const_amdpci_aspm = rtlpci->const_amdpci_aspm;
- switch (rtlpci->const_pci_aspm) {
- case 0:
- /*No ASPM */
- break;
-
- case 1:
- /*ASPM dynamically enabled/disable. */
- ppsc->reg_rfps_level |= RT_RF_LPS_LEVEL_ASPM;
- break;
-
- case 2:
- /*ASPM with Clock Req dynamically enabled/disable. */
- ppsc->reg_rfps_level |= (RT_RF_LPS_LEVEL_ASPM |
- RT_RF_OFF_LEVL_CLK_REQ);
- break;
-
- case 3:
- /*
- * Always enable ASPM and Clock Req
- * from initialization to halt.
- * */
- ppsc->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM);
- ppsc->reg_rfps_level |= (RT_RF_PS_LEVEL_ALWAYS_ASPM |
- RT_RF_OFF_LEVL_CLK_REQ);
- break;
-
- case 4:
- /*
- * Always enable ASPM without Clock Req
- * from initialization to halt.
- * */
- ppsc->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM |
- RT_RF_OFF_LEVL_CLK_REQ);
- ppsc->reg_rfps_level |= RT_RF_PS_LEVEL_ALWAYS_ASPM;
- break;
- }
-
- ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC;
-
- /*Update Radio OFF setting */
- switch (rtlpci->const_hwsw_rfoff_d3) {
- case 1:
- if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM)
- ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM;
- break;
-
- case 2:
- if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM)
- ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM;
- ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC;
- break;
-
- case 3:
- ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_PCI_D3;
- break;
- }
-
- /*Set HW definition to determine if it supports ASPM. */
- switch (rtlpci->const_support_pciaspm) {
- case 0:{
- /*Not support ASPM. */
- bool support_aspm = false;
- ppsc->support_aspm = support_aspm;
- break;
- }
- case 1:{
- /*Support ASPM. */
- bool support_aspm = true;
- bool support_backdoor = true;
- ppsc->support_aspm = support_aspm;
-
- /*if (priv->oem_id == RT_CID_TOSHIBA &&
- !priv->ndis_adapter.amd_l1_patch)
- support_backdoor = false; */
-
- ppsc->support_backdoor = support_backdoor;
-
- break;
- }
- case 2:
- /*ASPM value set by chipset. */
- if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) {
- bool support_aspm = true;
- ppsc->support_aspm = support_aspm;
- }
- break;
- default:
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "switch case not processed\n");
- break;
- }
-
- /* toshiba aspm issue, toshiba will set aspm selfly
- * so we should not set aspm in driver */
- pci_read_config_byte(rtlpci->pdev, 0x80, &init_aspm);
- if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8192SE &&
- init_aspm == 0x43)
- ppsc->support_aspm = false;
-}
-
-static bool _rtl_pci_platform_switch_device_pci_aspm(
- struct ieee80211_hw *hw,
- u8 value)
-{
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
- struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
-
- if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)
- value |= 0x40;
-
- pci_write_config_byte(rtlpci->pdev, 0x80, value);
-
- return false;
-}
-
-/*When we set 0x01 to enable clk request. Set 0x0 to disable clk req.*/
-static void _rtl_pci_switch_clk_req(struct ieee80211_hw *hw, u8 value)
-{
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
- struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
-
- pci_write_config_byte(rtlpci->pdev, 0x81, value);
-
- if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE)
- udelay(100);
-}
-
-/*Disable RTL8192SE ASPM & Disable Pci Bridge ASPM*/
-static void rtl_pci_disable_aspm(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
- struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
- u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor;
- u8 num4bytes = pcipriv->ndis_adapter.num4bytes;
- /*Retrieve original configuration settings. */
- u8 linkctrl_reg = pcipriv->ndis_adapter.linkctrl_reg;
- u16 pcibridge_linkctrlreg = pcipriv->ndis_adapter.
- pcibridge_linkctrlreg;
- u16 aspmlevel = 0;
- u8 tmp_u1b = 0;
-
- if (!ppsc->support_aspm)
- return;
-
- if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) {
- RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
- "PCI(Bridge) UNKNOWN\n");
-
- return;
- }
-
- if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) {
- RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ);
- _rtl_pci_switch_clk_req(hw, 0x0);
- }
-
- /*for promising device will in L0 state after an I/O. */
- pci_read_config_byte(rtlpci->pdev, 0x80, &tmp_u1b);
-
- /*Set corresponding value. */
- aspmlevel |= BIT(0) | BIT(1);
- linkctrl_reg &= ~aspmlevel;
- pcibridge_linkctrlreg &= ~(BIT(0) | BIT(1));
-
- _rtl_pci_platform_switch_device_pci_aspm(hw, linkctrl_reg);
- udelay(50);
-
- /*4 Disable Pci Bridge ASPM */
- pci_write_config_byte(rtlpci->pdev, (num4bytes << 2),
- pcibridge_linkctrlreg);
-
- udelay(50);
-}
-
-/*
- *Enable RTL8192SE ASPM & Enable Pci Bridge ASPM for
- *power saving We should follow the sequence to enable
- *RTL8192SE first then enable Pci Bridge ASPM
- *or the system will show bluescreen.
- */
-static void rtl_pci_enable_aspm(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
- struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
- u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor;
- u8 num4bytes = pcipriv->ndis_adapter.num4bytes;
- u16 aspmlevel;
- u8 u_pcibridge_aspmsetting;
- u8 u_device_aspmsetting;
-
- if (!ppsc->support_aspm)
- return;
-
- if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) {
- RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
- "PCI(Bridge) UNKNOWN\n");
- return;
- }
-
- /*4 Enable Pci Bridge ASPM */
-
- u_pcibridge_aspmsetting =
- pcipriv->ndis_adapter.pcibridge_linkctrlreg |
- rtlpci->const_hostpci_aspm_setting;
-
- if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL)
- u_pcibridge_aspmsetting &= ~BIT(0);
-
- pci_write_config_byte(rtlpci->pdev, (num4bytes << 2),
- u_pcibridge_aspmsetting);
-
- RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
- "PlatformEnableASPM(): Write reg[%x] = %x\n",
- (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10),
- u_pcibridge_aspmsetting);
-
- udelay(50);
-
- /*Get ASPM level (with/without Clock Req) */
- aspmlevel = rtlpci->const_devicepci_aspm_setting;
- u_device_aspmsetting = pcipriv->ndis_adapter.linkctrl_reg;
-
- /*_rtl_pci_platform_switch_device_pci_aspm(dev,*/
- /*(priv->ndis_adapter.linkctrl_reg | ASPMLevel)); */
-
- u_device_aspmsetting |= aspmlevel;
-
- _rtl_pci_platform_switch_device_pci_aspm(hw, u_device_aspmsetting);
-
- if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) {
- _rtl_pci_switch_clk_req(hw, (ppsc->reg_rfps_level &
- RT_RF_OFF_LEVL_CLK_REQ) ? 1 : 0);
- RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ);
- }
- udelay(100);
-}
-
-static bool rtl_pci_get_amd_l1_patch(struct ieee80211_hw *hw)
-{
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
-
- bool status = false;
- u8 offset_e0;
- unsigned offset_e4;
-
- pci_write_config_byte(rtlpci->pdev, 0xe0, 0xa0);
-
- pci_read_config_byte(rtlpci->pdev, 0xe0, &offset_e0);
-
- if (offset_e0 == 0xA0) {
- pci_read_config_dword(rtlpci->pdev, 0xe4, &offset_e4);
- if (offset_e4 & BIT(23))
- status = true;
- }
-
- return status;
-}
-
-static bool rtl_pci_check_buddy_priv(struct ieee80211_hw *hw,
- struct rtl_priv **buddy_priv)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
- bool find_buddy_priv = false;
- struct rtl_priv *tpriv = NULL;
- struct rtl_pci_priv *tpcipriv = NULL;
-
- if (!list_empty(&rtlpriv->glb_var->glb_priv_list)) {
- list_for_each_entry(tpriv, &rtlpriv->glb_var->glb_priv_list,
- list) {
- if (tpriv) {
- tpcipriv = (struct rtl_pci_priv *)tpriv->priv;
- RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
- "pcipriv->ndis_adapter.funcnumber %x\n",
- pcipriv->ndis_adapter.funcnumber);
- RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
- "tpcipriv->ndis_adapter.funcnumber %x\n",
- tpcipriv->ndis_adapter.funcnumber);
-
- if ((pcipriv->ndis_adapter.busnumber ==
- tpcipriv->ndis_adapter.busnumber) &&
- (pcipriv->ndis_adapter.devnumber ==
- tpcipriv->ndis_adapter.devnumber) &&
- (pcipriv->ndis_adapter.funcnumber !=
- tpcipriv->ndis_adapter.funcnumber)) {
- find_buddy_priv = true;
- break;
- }
- }
- }
- }
-
- RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
- "find_buddy_priv %d\n", find_buddy_priv);
-
- if (find_buddy_priv)
- *buddy_priv = tpriv;
-
- return find_buddy_priv;
-}
-
-static void rtl_pci_get_linkcontrol_field(struct ieee80211_hw *hw)
-{
- struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
- struct rtl_pci *rtlpci = rtl_pcidev(pcipriv);
- u8 capabilityoffset = pcipriv->ndis_adapter.pcibridge_pciehdr_offset;
- u8 linkctrl_reg;
- u8 num4bbytes;
-
- num4bbytes = (capabilityoffset + 0x10) / 4;
-
- /*Read Link Control Register */
- pci_read_config_byte(rtlpci->pdev, (num4bbytes << 2), &linkctrl_reg);
-
- pcipriv->ndis_adapter.pcibridge_linkctrlreg = linkctrl_reg;
-}
-
-static void rtl_pci_parse_configuration(struct pci_dev *pdev,
- struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
-
- u8 tmp;
- u16 linkctrl_reg;
-
- /*Link Control Register */
- pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &linkctrl_reg);
- pcipriv->ndis_adapter.linkctrl_reg = (u8)linkctrl_reg;
-
- RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Link Control Register =%x\n",
- pcipriv->ndis_adapter.linkctrl_reg);
-
- pci_read_config_byte(pdev, 0x98, &tmp);
- tmp |= BIT(4);
- pci_write_config_byte(pdev, 0x98, tmp);
-
- tmp = 0x17;
- pci_write_config_byte(pdev, 0x70f, tmp);
-}
-
-static void rtl_pci_init_aspm(struct ieee80211_hw *hw)
-{
- struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
-
- _rtl_pci_update_default_setting(hw);
-
- if (ppsc->reg_rfps_level & RT_RF_PS_LEVEL_ALWAYS_ASPM) {
- /*Always enable ASPM & Clock Req. */
- rtl_pci_enable_aspm(hw);
- RT_SET_PS_LEVEL(ppsc, RT_RF_PS_LEVEL_ALWAYS_ASPM);
- }
-
-}
-
-static void _rtl_pci_io_handler_init(struct device *dev,
- struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
-
- rtlpriv->io.dev = dev;
-
- rtlpriv->io.write8_async = pci_write8_async;
- rtlpriv->io.write16_async = pci_write16_async;
- rtlpriv->io.write32_async = pci_write32_async;
-
- rtlpriv->io.read8_sync = pci_read8_sync;
- rtlpriv->io.read16_sync = pci_read16_sync;
- rtlpriv->io.read32_sync = pci_read32_sync;
-
-}
-
-static bool _rtl_update_earlymode_info(struct ieee80211_hw *hw,
- struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc, u8 tid)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
- struct sk_buff *next_skb;
- u8 additionlen = FCS_LEN;
-
- /* here open is 4, wep/tkip is 8, aes is 12*/
- if (info->control.hw_key)
- additionlen += info->control.hw_key->icv_len;
-
- /* The most skb num is 6 */
- tcb_desc->empkt_num = 0;
- spin_lock_bh(&rtlpriv->locks.waitq_lock);
- skb_queue_walk(&rtlpriv->mac80211.skb_waitq[tid], next_skb) {
- struct ieee80211_tx_info *next_info;
-
- next_info = IEEE80211_SKB_CB(next_skb);
- if (next_info->flags & IEEE80211_TX_CTL_AMPDU) {
- tcb_desc->empkt_len[tcb_desc->empkt_num] =
- next_skb->len + additionlen;
- tcb_desc->empkt_num++;
- } else {
- break;
- }
-
- if (skb_queue_is_last(&rtlpriv->mac80211.skb_waitq[tid],
- next_skb))
- break;
-
- if (tcb_desc->empkt_num >= rtlhal->max_earlymode_num)
- break;
- }
- spin_unlock_bh(&rtlpriv->locks.waitq_lock);
-
- return true;
-}
-
-/* just for early mode now */
-static void _rtl_pci_tx_chk_waitq(struct ieee80211_hw *hw)
-{
- 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 sk_buff *skb = NULL;
- struct ieee80211_tx_info *info = NULL;
- struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
- int tid;
-
- if (!rtlpriv->rtlhal.earlymode_enable)
- return;
-
- if (rtlpriv->dm.supp_phymode_switch &&
- (rtlpriv->easy_concurrent_ctl.switch_in_process ||
- (rtlpriv->buddy_priv &&
- rtlpriv->buddy_priv->easy_concurrent_ctl.switch_in_process)))
- return;
- /* we juse use em for BE/BK/VI/VO */
- for (tid = 7; tid >= 0; tid--) {
- u8 hw_queue = ac_to_hwq[rtl_tid_to_ac(tid)];
- struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
- while (!mac->act_scanning &&
- rtlpriv->psc.rfpwr_state == ERFON) {
- struct rtl_tcb_desc tcb_desc;
- memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
-
- spin_lock_bh(&rtlpriv->locks.waitq_lock);
- if (!skb_queue_empty(&mac->skb_waitq[tid]) &&
- (ring->entries - skb_queue_len(&ring->queue) >
- rtlhal->max_earlymode_num)) {
- skb = skb_dequeue(&mac->skb_waitq[tid]);
- } else {
- spin_unlock_bh(&rtlpriv->locks.waitq_lock);
- break;
- }
- spin_unlock_bh(&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->get_available_desc &&
- rtlpriv->cfg->ops->get_available_desc(hw, prio) <= 1) {
- RT_TRACE(rtlpriv, (COMP_INTR | COMP_SEND), DBG_DMESG,
- "no available desc!\n");
- return;
- }
-
- if (!rtlpriv->cfg->ops->is_tx_desc_closed(hw, prio, ring->idx))
- return;
- ring->idx = (ring->idx + 1) % ring->entries;
-
- skb = __skb_dequeue(&ring->queue);
- pci_unmap_single(rtlpci->pdev,
- rtlpriv->cfg->ops->
- get_desc((u8 *)entry, true,
- HW_DESC_TXBUFF_ADDR),
- skb->len, PCI_DMA_TODEVICE);
-
- /* remove early mode header */
- if (rtlpriv->rtlhal.earlymode_enable)
- skb_pull(skb, EM_HDR_LEN);
-
- RT_TRACE(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);
- ieee80211_tx_info_clear_status(info);
-
- info->flags |= IEEE80211_TX_STAT_ACK;
- /*info->status.rates[0].count = 1; */
-
- ieee80211_tx_status_irqsafe(hw, skb);
-
- if ((ring->entries - skb_queue_len(&ring->queue)) <= 4) {
-
- RT_TRACE(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)) {
- rtlpriv->enter_ps = false;
- schedule_work(&rtlpriv->works.lps_change_work);
- }
-}
-
-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) =
- pci_map_single(rtlpci->pdev, skb_tail_pointer(skb),
- rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE);
- bufferaddress = *((dma_addr_t *)skb->cb);
- if (pci_dma_mapping_error(rtlpci->pdev, bufferaddress))
- return 0;
- rtlpci->rx_ring[rxring_idx].rx_buf[desc_idx] = skb;
- 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);
- }
- 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;
- u8 *pdata;
-
- uskb = dev_alloc_skb(skb->len + 128);
- if (likely(uskb)) {
- memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status,
- sizeof(rx_status));
- pdata = (u8 *)skb_put(uskb, skb->len);
- memcpy(pdata, 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;
- 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) {
- rx_remained_cnt =
- rtlpriv->cfg->ops->rx_desc_buff_remained_cnt(hw,
- hw_queue);
- if (rx_remained_cnt == 0)
- return;
-
- } else { /* rx descriptor */
- pdesc = &rtlpci->rx_ring[rxring_idx].desc[
- rtlpci->rx_ring[rxring_idx].idx];
-
- own = (u8)rtlpriv->cfg->ops->get_desc((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'
- */
- pci_unmap_single(rtlpci->pdev, *((dma_addr_t *)skb->cb),
- rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE);
-
- /* 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;
- if (rtlpriv->use_new_trx_flow) {
- buffer_desc =
- &rtlpci->rx_ring[rxring_idx].buffer_desc
- [rtlpci->rx_ring[rxring_idx].idx];
- /*means rx wifi info*/
- pdesc = (struct rtl_rx_desc *)skb->data;
- }
- 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((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 {
- RT_TRACE(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 (rtlpriv->cfg->ops->rx_command_packet &&
- rtlpriv->cfg->ops->rx_command_packet(hw, stats, skb)) {
- dev_kfree_skb_any(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) {
- 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++;
- }
- /* 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 {
- 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)) {
- rtlpriv->enter_ps = false;
- schedule_work(&rtlpriv->works.lps_change_work);
- }
- 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;
- u32 inta = 0;
- u32 intb = 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, &inta, &intb);
-
- /*Shared IRQ or HW disappared */
- if (!inta || inta == 0xffff)
- goto done;
-
- /*<1> beacon related */
- if (inta & rtlpriv->cfg->maps[RTL_IMR_TBDOK]) {
- RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
- "beacon ok interrupt!\n");
- }
-
- if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_TBDER])) {
- RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
- "beacon err interrupt!\n");
- }
-
- if (inta & rtlpriv->cfg->maps[RTL_IMR_BDOK]) {
- RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, "beacon interrupt!\n");
- }
-
- if (inta & rtlpriv->cfg->maps[RTL_IMR_BCNINT]) {
- RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
- "prepare beacon for interrupt!\n");
- tasklet_schedule(&rtlpriv->works.irq_prepare_bcn_tasklet);
- }
-
- /*<2> Tx related */
- if (unlikely(intb & rtlpriv->cfg->maps[RTL_IMR_TXFOVW]))
- RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "IMR_TXFOVW!\n");
-
- if (inta & rtlpriv->cfg->maps[RTL_IMR_MGNTDOK]) {
- RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
- "Manage ok interrupt!\n");
- _rtl_pci_tx_isr(hw, MGNT_QUEUE);
- }
-
- if (inta & rtlpriv->cfg->maps[RTL_IMR_HIGHDOK]) {
- RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
- "HIGH_QUEUE ok interrupt!\n");
- _rtl_pci_tx_isr(hw, HIGH_QUEUE);
- }
-
- if (inta & rtlpriv->cfg->maps[RTL_IMR_BKDOK]) {
- rtlpriv->link_info.num_tx_inperiod++;
-
- RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
- "BK Tx OK interrupt!\n");
- _rtl_pci_tx_isr(hw, BK_QUEUE);
- }
-
- if (inta & rtlpriv->cfg->maps[RTL_IMR_BEDOK]) {
- rtlpriv->link_info.num_tx_inperiod++;
-
- RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
- "BE TX OK interrupt!\n");
- _rtl_pci_tx_isr(hw, BE_QUEUE);
- }
-
- if (inta & rtlpriv->cfg->maps[RTL_IMR_VIDOK]) {
- rtlpriv->link_info.num_tx_inperiod++;
-
- RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
- "VI TX OK interrupt!\n");
- _rtl_pci_tx_isr(hw, VI_QUEUE);
- }
-
- if (inta & rtlpriv->cfg->maps[RTL_IMR_VODOK]) {
- rtlpriv->link_info.num_tx_inperiod++;
-
- RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
- "Vo TX OK interrupt!\n");
- _rtl_pci_tx_isr(hw, VO_QUEUE);
- }
-
- if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
- if (inta & rtlpriv->cfg->maps[RTL_IMR_COMDOK]) {
- rtlpriv->link_info.num_tx_inperiod++;
-
- RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
- "CMD TX OK interrupt!\n");
- _rtl_pci_tx_isr(hw, TXCMD_QUEUE);
- }
- }
-
- /*<3> Rx related */
- if (inta & rtlpriv->cfg->maps[RTL_IMR_ROK]) {
- RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, "Rx ok interrupt!\n");
- _rtl_pci_rx_interrupt(hw);
- }
-
- if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_RDU])) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
- "rx descriptor unavailable!\n");
- _rtl_pci_rx_interrupt(hw);
- }
-
- if (unlikely(intb & rtlpriv->cfg->maps[RTL_IMR_RXFOVW])) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "rx overflow !\n");
- _rtl_pci_rx_interrupt(hw);
- }
-
- /*<4> fw related*/
- if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723AE) {
- if (inta & rtlpriv->cfg->maps[RTL_IMR_C2HCMD]) {
- RT_TRACE(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(inta & rtlpriv->cfg->maps[RTL_IMR_HSISR_IND])) {
- RT_TRACE(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 ieee80211_hw *hw)
-{
- _rtl_pci_tx_chk_waitq(hw);
-}
-
-static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(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) {
- pci_unmap_single(rtlpci->pdev,
- rtlpriv->cfg->ops->get_desc(
- (u8 *)entry, true, HW_DESC_TXBUFF_ADDR),
- pskb->len, PCI_DMA_TODEVICE);
- kfree_skb(pskb);
- }
-
- /*NB: the beacon data buffer must be 32-bit aligned. */
- pskb = ieee80211_beacon_get(hw, mac->vif);
- if (pskb == NULL)
- 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);
- }
- return;
-}
-
-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
- 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;
-
- /*QOS*/
- rtlpci->acm_method = EACMWAY2_SW;
-
- /*task */
- tasklet_init(&rtlpriv->works.irq_tasklet,
- (void (*)(unsigned long))_rtl_pci_irq_tasklet,
- (unsigned long)hw);
- tasklet_init(&rtlpriv->works.irq_prepare_bcn_tasklet,
- (void (*)(unsigned long))_rtl_pci_prepare_bcn_tasklet,
- (unsigned long)hw);
- 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 =
- pci_zalloc_consistent(rtlpci->pdev,
- sizeof(*buffer_desc) * entries,
- &buffer_desc_dma);
-
- if (!buffer_desc || (unsigned long)buffer_desc & 0xFF) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "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;
- rtlpci->tx_ring[prio].avl_desc = entries;
- }
-
- /* alloc dma for this ring */
- desc = pci_zalloc_consistent(rtlpci->pdev,
- sizeof(*desc) * entries, &desc_dma);
-
- if (!desc || (unsigned long)desc & 0xFF) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "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);
-
- RT_TRACE(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 =
- pci_zalloc_consistent(rtlpci->pdev,
- sizeof(*rtlpci->rx_ring[rxring_idx].
- buffer_desc) *
- rtlpci->rxringcount,
- &rtlpci->rx_ring[rxring_idx].dma);
- if (!rtlpci->rx_ring[rxring_idx].buffer_desc ||
- (ulong)rtlpci->rx_ring[rxring_idx].buffer_desc & 0xFF) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "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 =
- pci_zalloc_consistent(rtlpci->pdev,
- sizeof(*rtlpci->rx_ring[rxring_idx].
- desc) * rtlpci->rxringcount,
- &rtlpci->rx_ring[rxring_idx].dma);
- if (!rtlpci->rx_ring[rxring_idx].desc ||
- (unsigned long)rtlpci->rx_ring[rxring_idx].desc & 0xFF) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "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]);
-
- pci_unmap_single(rtlpci->pdev,
- rtlpriv->cfg->
- ops->get_desc((u8 *)entry, true,
- HW_DESC_TXBUFF_ADDR),
- skb->len, PCI_DMA_TODEVICE);
- kfree_skb(skb);
- ring->idx = (ring->idx + 1) % ring->entries;
- }
-
- /* free dma of this ring */
- pci_free_consistent(rtlpci->pdev,
- sizeof(*ring->desc) * ring->entries,
- ring->desc, ring->dma);
- ring->desc = NULL;
- if (rtlpriv->use_new_trx_flow) {
- pci_free_consistent(rtlpci->pdev,
- 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;
- pci_unmap_single(rtlpci->pdev, *((dma_addr_t *)skb->cb),
- rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE);
- kfree_skb(skb);
- }
-
- /* free dma of this ring */
- if (rtlpriv->use_new_trx_flow) {
- pci_free_consistent(rtlpci->pdev,
- 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 {
- pci_free_consistent(rtlpci->pdev,
- 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((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]);
-
- pci_unmap_single(rtlpci->pdev,
- rtlpriv->cfg->ops->
- get_desc((u8 *)
- entry,
- true,
- HW_DESC_TXBUFF_ADDR),
- skb->len, PCI_DMA_TODEVICE);
- kfree_skb(skb);
- ring->idx = (ring->idx + 1) % ring->entries;
- }
- ring->idx = 0;
- }
- }
- 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 rtl_sta_info *sta_entry = NULL;
- 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));
- /*ssn */
- u8 tid = 0;
- u16 seq_number = 0;
- 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((u8 *)pdesc,
- true, HW_DESC_OWN);
-
- if ((own == 1) && (hw_queue != BEACON_QUEUE)) {
- RT_TRACE(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) {
- RT_TRACE(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_qos(fc)) {
- tid = rtl_get_tid(skb);
- if (sta) {
- sta_entry = (struct rtl_sta_info *)sta->drv_priv;
- seq_number = (le16_to_cpu(hdr->seq_ctrl) &
- IEEE80211_SCTL_SEQ) >> 4;
- seq_number += 1;
-
- if (!ieee80211_has_morefrags(hdr->frame_control))
- sta_entry->tids[tid].seq_number = seq_number;
- }
- }
-
- 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) {
- RT_TRACE(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);
-
- flush_workqueue(rtlpriv->works.rtl_wq);
- destroy_workqueue(rtlpriv->works.rtl_wq);
-
-}
-
-static int rtl_pci_init(struct ieee80211_hw *hw, struct pci_dev *pdev)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- int err;
-
- _rtl_pci_init_struct(hw, pdev);
-
- err = _rtl_pci_init_trx_ring(hw);
- if (err) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "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));
-
- 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_ops->btc_init_variables(rtlpriv);
- rtlpriv->btcoexist.btc_ops->btc_init_hal_vars(rtlpriv);
- }
- err = rtlpriv->cfg->ops->hw_init(hw);
- if (err) {
- RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
- "Failed to config hardware!\n");
- return err;
- }
-
- rtlpriv->cfg->ops->enable_interrupt(hw);
- RT_TRACE(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;
-
- RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "rtl_pci_start OK\n");
- 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 RFInProgressTimeOut = 0;
-
- if (rtlpriv->cfg->ops->get_btc_status())
- rtlpriv->btcoexist.btc_ops->btc_halt_notify();
-
- /*
- *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 (RFInProgressTimeOut > 100) {
- spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags);
- break;
- }
- mdelay(1);
- RFInProgressTimeOut++;
- 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:
- RT_TRACE(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:
- RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
- "8192SE is found - vid/did=%x/%x\n",
- venderid, deviceid);
- rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE;
- break;
- default:
- RT_TRACE(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;
- RT_TRACE(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;
- RT_TRACE(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;
- RT_TRACE(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;
- RT_TRACE(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;
- RT_TRACE(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;
- RT_TRACE(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;
- RT_TRACE(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;
- RT_TRACE(rtlpriv, COMP_INIT , DBG_LOUD,
- "Find adapter, Hardware type is 8812AE\n");
- } else {
- RT_TRACE(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) {
- RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
- "Find 92DE MAC0\n");
- rtlhal->interfaceindex = 0;
- } else if (revisionid == 1) {
- RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
- "Find 92DE MAC1\n");
- rtlhal->interfaceindex = 1;
- }
- } else {
- RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
- "Unknown device - VendorID/DeviceID=%x/%x, Revision=%x\n",
- venderid, deviceid, revisionid);
- rtlhal->interfaceindex = 0;
- }
- }
-
- /* 92ee use new trx flow */
- if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192EE)
- rtlpriv->use_new_trx_flow = true;
- else
- rtlpriv->use_new_trx_flow = false;
-
- /*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 */
- pcipriv->ndis_adapter.pcibridge_vendorid = bridge_pdev->vendor;
- for (tmp = 0; tmp < PCI_BRIDGE_VENDOR_MAX; tmp++) {
- if (bridge_pdev->vendor == pcibridge_vendors[tmp]) {
- pcipriv->ndis_adapter.pcibridge_vendor = tmp;
- RT_TRACE(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);
- pcipriv->ndis_adapter.pcibridge_pciehdr_offset =
- pci_pcie_cap(bridge_pdev);
- pcipriv->ndis_adapter.num4bytes =
- (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10) / 4;
-
- rtl_pci_get_linkcontrol_field(hw);
-
- if (pcipriv->ndis_adapter.pcibridge_vendor ==
- PCI_BRIDGE_VENDOR_AMD) {
- pcipriv->ndis_adapter.amd_l1_patch =
- rtl_pci_get_amd_l1_patch(hw);
- }
- }
-
- RT_TRACE(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);
-
- RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
- "pci_bridge busnumber:devnumber:funcnumber:vendor:pcie_cap:link_ctl_reg:amd %d:%d:%d:%x:%x:%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.pcibridge_pciehdr_offset,
- pcipriv->ndis_adapter.pcibridge_linkctrlreg,
- 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;
-
- RT_TRACE(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;
- RT_TRACE(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;
-}
-
-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) {
- RT_ASSERT(false, "%s : Cannot enable new PCI device\n",
- pci_name(pdev));
- return err;
- }
-
- if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
- if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
- RT_ASSERT(false,
- "Unable to obtain 32bit DMA for consistent allocations\n");
- err = -ENOMEM;
- goto fail1;
- }
- }
-
- pci_set_master(pdev);
-
- hw = ieee80211_alloc_hw(sizeof(struct rtl_pci_priv) +
- sizeof(struct rtl_priv), &rtl_ops);
- if (!hw) {
- RT_ASSERT(false,
- "%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;
-
- /*
- *init dbgp flags before all
- *other functions, because we will
- *use it in other funtions like
- *RT_TRACE/RT_PRINT/RTL_PRINT_DATA
- *you can not use these macro
- *before this
- */
- rtl_dbgp_flag_init(hw);
-
- /* MEM map */
- err = pci_request_regions(pdev, KBUILD_MODNAME);
- if (err) {
- RT_ASSERT(false, "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) {
- RT_ASSERT(false, "Can't map PCI mem\n");
- err = -ENOMEM;
- goto fail2;
- }
-
- RT_TRACE(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 fail3;
- }
-
- /* 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)) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't init_sw_vars\n");
- err = -ENODEV;
- goto fail3;
- }
- rtlpriv->cfg->ops->init_sw_leds(hw);
-
- /*aspm */
- rtl_pci_init_aspm(hw);
-
- /* Init mac80211 sw */
- err = rtl_init_core(hw);
- if (err) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "Can't allocate sw for mac80211\n");
- goto fail3;
- }
-
- /* Init PCI sw */
- err = rtl_pci_init(hw, pdev);
- if (err) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Failed to init PCI\n");
- goto fail3;
- }
-
- err = ieee80211_register_hw(hw);
- if (err) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "Can't register mac80211 hw.\n");
- err = -ENODEV;
- goto fail3;
- }
- rtlpriv->mac80211.mac80211_registered = 1;
-
- err = sysfs_create_group(&pdev->dev.kobj, &rtl_attribute_group);
- if (err) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "failed to create sysfs device attributes\n");
- goto fail3;
- }
-
- /*init rfkill */
- rtl_init_rfkill(hw); /* Init PCI sw */
-
- rtlpci = rtl_pcidev(pcipriv);
- err = rtl_pci_intr_mode_decide(hw);
- if (err) {
- RT_TRACE(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);
-
- if (rtlpriv->io.pci_mem_start != 0)
- pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start);
-
-fail2:
- 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);
-
- sysfs_remove_group(&pdev->dev.kobj, &rtl_attribute_group);
-
- /*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);
- 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) {
- synchronize_irq(rtlpci->pdev->irq);
- 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 pci_dev *pdev = to_pci_dev(dev);
- struct ieee80211_hw *hw = pci_get_drvdata(pdev);
- 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 pci_dev *pdev = to_pci_dev(dev);
- struct ieee80211_hw *hw = pci_get_drvdata(pdev);
- 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 */
-
-struct rtl_intf_ops rtl_pci_ops = {
- .read_efuse_byte = read_efuse_byte,
- .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,
-};