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path: root/drivers/net/wireless/rtlwifi/pci.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/pci.c')
-rw-r--r--drivers/net/wireless/rtlwifi/pci.c298
1 files changed, 225 insertions, 73 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 4261e8ecc4c..dae55257f0e 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -35,6 +35,13 @@
#include "efuse.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] = {
PCI_VENDOR_ID_INTEL,
@@ -59,7 +66,7 @@ static u8 _rtl_mac_to_hwqueue(struct ieee80211_hw *hw,
if (unlikely(ieee80211_is_beacon(fc)))
return BEACON_QUEUE;
- if (ieee80211_is_mgmt(fc))
+ if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
return MGNT_QUEUE;
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE)
if (ieee80211_is_nullfunc(fc))
@@ -271,9 +278,6 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *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_busnum = pcipriv->ndis_adapter.pcibridge_busnum;
- u8 pcibridge_devnum = pcipriv->ndis_adapter.pcibridge_devnum;
- u8 pcibridge_funcnum = pcipriv->ndis_adapter.pcibridge_funcnum;
u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor;
u8 num4bytes = pcipriv->ndis_adapter.num4bytes;
u16 aspmlevel;
@@ -302,8 +306,7 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw)
u_pcibridge_aspmsetting);
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
- "PlatformEnableASPM():PciBridge busnumber[%x], DevNumbe[%x], funcnumber[%x], Write reg[%x] = %x\n",
- pcibridge_busnum, pcibridge_devnum, pcibridge_funcnum,
+ "PlatformEnableASPM(): Write reg[%x] = %x\n",
(pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10),
u_pcibridge_aspmsetting);
@@ -349,6 +352,49 @@ static bool rtl_pci_get_amd_l1_patch(struct ieee80211_hw *hw)
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);
@@ -420,17 +466,14 @@ static void _rtl_pci_io_handler_init(struct device *dev,
}
-static void _rtl_pci_io_handler_release(struct ieee80211_hw *hw)
-{
-}
-
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);
- u8 additionlen = FCS_LEN;
+ 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)
@@ -455,7 +498,7 @@ static bool _rtl_update_earlymode_info(struct ieee80211_hw *hw,
next_skb))
break;
- if (tcb_desc->empkt_num >= 5)
+ if (tcb_desc->empkt_num >= rtlhal->max_earlymode_num)
break;
}
spin_unlock_bh(&rtlpriv->locks.waitq_lock);
@@ -471,11 +514,17 @@ static void _rtl_pci_tx_chk_waitq(struct ieee80211_hw *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)];
@@ -487,7 +536,8 @@ static void _rtl_pci_tx_chk_waitq(struct ieee80211_hw *hw)
spin_lock_bh(&rtlpriv->locks.waitq_lock);
if (!skb_queue_empty(&mac->skb_waitq[tid]) &&
- (ring->entries - skb_queue_len(&ring->queue) > 5)) {
+ (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);
@@ -525,9 +575,8 @@ static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio)
u8 own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) entry, true,
HW_DESC_OWN);
- /*
- *beacon packet will only use the first
- *descriptor defautly,and the own may not
+ /*beacon packet will only use the first
+ *descriptor by defaut, and the own may not
*be cleared by the hardware
*/
if (own)
@@ -558,8 +607,9 @@ static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio)
}
/* for sw LPS, just after NULL skb send out, we can
- * sure AP kown we are sleeped, our we should not let
- * rf to sleep*/
+ * 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)) {
@@ -569,6 +619,15 @@ static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio)
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);
@@ -602,7 +661,8 @@ tx_status_ok:
if (((rtlpriv->link_info.num_rx_inperiod +
rtlpriv->link_info.num_tx_inperiod) > 8) ||
(rtlpriv->link_info.num_rx_inperiod > 2)) {
- schedule_work(&rtlpriv->works.lps_leave_work);
+ rtlpriv->enter_ps = false;
+ schedule_work(&rtlpriv->works.lps_change_work);
}
}
@@ -628,8 +688,6 @@ static void _rtl_receive_one(struct ieee80211_hw *hw, struct sk_buff *skb,
rtlpriv->stats.rxbytesunicast += skb->len;
}
- rtl_is_special_data(hw, skb, false);
-
if (ieee80211_is_data(fc)) {
rtlpriv->cfg->ops->led_control(hw, LED_CTL_RX);
@@ -637,6 +695,10 @@ static void _rtl_receive_one(struct ieee80211_hw *hw, struct sk_buff *skb,
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);
@@ -672,11 +734,12 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
struct rtl_stats stats = {
.signal = 0,
- .noise = -98,
.rate = 0,
};
int index = rtlpci->rx_ring[rx_queue_idx].idx;
+ if (rtlpci->driver_is_goingto_unload)
+ return;
/*RX NORMAL PKT */
while (count--) {
/*rx descriptor */
@@ -707,6 +770,7 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
"can't alloc skb for rx\n");
goto done;
}
+ kmemleak_not_leak(new_skb);
pci_unmap_single(rtlpci->pdev,
*((dma_addr_t *) skb->cb),
@@ -727,9 +791,10 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
_rtl_receive_one(hw, skb, rx_status);
if (((rtlpriv->link_info.num_rx_inperiod +
- rtlpriv->link_info.num_tx_inperiod) > 8) ||
- (rtlpriv->link_info.num_rx_inperiod > 2)) {
- schedule_work(&rtlpriv->works.lps_leave_work);
+ 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);
}
dev_kfree_skb_any(skb);
@@ -746,19 +811,19 @@ done:
if (pci_dma_mapping_error(rtlpci->pdev, bufferaddress))
return;
tmp_one = 1;
- rtlpriv->cfg->ops->set_desc((u8 *) pdesc, false,
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, false,
HW_DESC_RXBUFF_ADDR,
(u8 *)&bufferaddress);
- rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false,
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, false,
HW_DESC_RXPKT_LEN,
(u8 *)&rtlpci->rxbuffersize);
if (index == rtlpci->rxringcount - 1)
- rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false,
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, false,
HW_DESC_RXERO,
&tmp_one);
- rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXOWN,
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, false, HW_DESC_RXOWN,
&tmp_one);
index = (index + 1) % rtlpci->rxringcount;
@@ -803,7 +868,7 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id)
RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, "beacon interrupt!\n");
}
- if (inta & rtlpriv->cfg->maps[RTL_IMR_BcnInt]) {
+ 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);
@@ -884,6 +949,16 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id)
_rtl_pci_rx_interrupt(hw);
}
+ /*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);
+ }
+ }
+
if (rtlpriv->rtlhal.earlymode_enable)
tasklet_schedule(&rtlpriv->works.irq_tasklet);
@@ -908,6 +983,8 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
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;
memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
@@ -929,25 +1006,17 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
info = IEEE80211_SKB_CB(pskb);
pdesc = &ring->desc[0];
rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *) pdesc,
- info, NULL, pskb, BEACON_QUEUE, &tcb_desc);
+ (u8 *)pbuffer_desc, info, NULL, pskb,
+ BEACON_QUEUE, &tcb_desc);
__skb_queue_tail(&ring->queue, pskb);
- rtlpriv->cfg->ops->set_desc((u8 *) pdesc, true, HW_DESC_OWN,
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, HW_DESC_OWN,
&temp_one);
return;
}
-static void rtl_lps_leave_work_callback(struct work_struct *work)
-{
- struct rtl_works *rtlworks =
- container_of(work, struct rtl_works, lps_leave_work);
- struct ieee80211_hw *hw = rtlworks->hw;
-
- rtl_lps_leave(hw);
-}
-
static void _rtl_pci_init_trx_var(struct ieee80211_hw *hw)
{
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
@@ -1000,7 +1069,7 @@ static void _rtl_pci_init_struct(struct ieee80211_hw *hw,
mac->current_ampdu_factor = 3;
/*QOS*/
- rtlpci->acm_method = eAcmWay2_SW;
+ rtlpci->acm_method = EACMWAY2_SW;
/*task */
tasklet_init(&rtlpriv->works.irq_tasklet,
@@ -1009,7 +1078,8 @@ static void _rtl_pci_init_struct(struct ieee80211_hw *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_leave_work, rtl_lps_leave_work_callback);
+ INIT_WORK(&rtlpriv->works.lps_change_work,
+ rtl_lps_change_work_callback);
}
static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
@@ -1046,7 +1116,7 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
((i + 1) % entries) *
sizeof(*ring);
- rtlpriv->cfg->ops->set_desc((u8 *)&(ring[i]),
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)&(ring[i]),
true, HW_DESC_TX_NEXTDESC_ADDR,
(u8 *)&nextdescaddress);
}
@@ -1121,19 +1191,19 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw)
dev_kfree_skb_any(skb);
return 1;
}
- rtlpriv->cfg->ops->set_desc((u8 *)entry, false,
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
HW_DESC_RXBUFF_ADDR,
(u8 *)&bufferaddress);
- rtlpriv->cfg->ops->set_desc((u8 *)entry, false,
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
HW_DESC_RXPKT_LEN,
(u8 *)&rtlpci->
rxbuffersize);
- rtlpriv->cfg->ops->set_desc((u8 *) entry, false,
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
HW_DESC_RXOWN,
&tmp_one);
}
- rtlpriv->cfg->ops->set_desc((u8 *) entry, false,
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
HW_DESC_RXERO, &tmp_one);
}
return 0;
@@ -1264,7 +1334,7 @@ int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw)
for (i = 0; i < rtlpci->rxringcount; i++) {
entry = &rtlpci->rx_ring[rx_queue_idx].desc[i];
- rtlpriv->cfg->ops->set_desc((u8 *) entry,
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry,
false,
HW_DESC_RXOWN,
&tmp_one);
@@ -1357,6 +1427,7 @@ static int rtl_pci_tx(struct ieee80211_hw *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;
u8 idx;
u8 hw_queue = _rtl_mac_to_hwqueue(hw, skb);
unsigned long flags;
@@ -1397,17 +1468,22 @@ static int rtl_pci_tx(struct ieee80211_hw *hw,
idx = 0;
pdesc = &ring->desc[idx];
- own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) pdesc,
- true, HW_DESC_OWN);
+ 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%d\n",
- hw_queue, ring->idx, idx,
- skb_queue_len(&ring->queue));
+ 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%d\n",
+ hw_queue, ring->idx, idx,
+ skb_queue_len(&ring->queue));
- spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
- return skb->len;
+ spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock,
+ flags);
+ return skb->len;
+ }
}
if (ieee80211_is_data_qos(fc)) {
@@ -1427,17 +1503,20 @@ static int rtl_pci_tx(struct ieee80211_hw *hw,
rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX);
rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc,
- info, sta, skb, hw_queue, ptcb_desc);
+ (u8 *)ptx_bd_desc, info, sta, skb, hw_queue, ptcb_desc);
__skb_queue_tail(&ring->queue, skb);
- rtlpriv->cfg->ops->set_desc((u8 *)pdesc, true,
- HW_DESC_OWN, &temp_one);
-
+ 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%d\n",
hw_queue, ring->idx, idx,
@@ -1458,10 +1537,14 @@ static void rtl_pci_flush(struct ieee80211_hw *hw, 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;
ring = &pcipriv->dev.tx_ring[queue_id];
@@ -1491,7 +1574,7 @@ static void rtl_pci_deinit(struct ieee80211_hw *hw)
synchronize_irq(rtlpci->pdev->irq);
tasklet_kill(&rtlpriv->works.irq_tasklet);
- cancel_work_sync(&rtlpriv->works.lps_leave_work);
+ cancel_work_sync(&rtlpriv->works.lps_change_work);
flush_workqueue(rtlpriv->works.rtl_wq);
destroy_workqueue(rtlpriv->works.rtl_wq);
@@ -1565,8 +1648,9 @@ static void rtl_pci_stop(struct ieee80211_hw *hw)
*/
set_hal_stop(rtlhal);
+ rtlpci->driver_is_goingto_unload = true;
rtlpriv->cfg->ops->disable_interrupt(hw);
- cancel_work_sync(&rtlpriv->works.lps_leave_work);
+ cancel_work_sync(&rtlpriv->works.lps_change_work);
spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags);
while (ppsc->rfchange_inprogress) {
@@ -1582,7 +1666,6 @@ static void rtl_pci_stop(struct ieee80211_hw *hw)
ppsc->rfchange_inprogress = true;
spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags);
- rtlpci->driver_is_goingto_unload = true;
rtlpriv->cfg->ops->hw_disable(hw);
/* some things are not needed if firmware not available */
if (!rtlpriv->max_fw_size)
@@ -1673,6 +1756,10 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev,
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 {
RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
"Err: Unknown device - vid/did=%x/%x\n",
@@ -1704,6 +1791,9 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev,
pcipriv->ndis_adapter.devnumber = PCI_SLOT(pdev->devfn);
pcipriv->ndis_adapter.funcnumber = PCI_FUNC(pdev->devfn);
+ /* 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;
@@ -1758,10 +1848,70 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev,
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)
{
@@ -1804,6 +1954,7 @@ int rtl_pci_probe(struct pci_dev *pdev,
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);
@@ -1812,6 +1963,7 @@ int rtl_pci_probe(struct pci_dev *pdev,
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
@@ -1902,8 +2054,7 @@ int rtl_pci_probe(struct pci_dev *pdev,
}
rtlpci = rtl_pcidev(pcipriv);
- err = request_irq(rtlpci->pdev->irq, &_rtl_pci_interrupt,
- IRQF_SHARED, KBUILD_MODNAME, hw);
+ err = rtl_pci_intr_mode_decide(hw);
if (err) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
"%s: failed to register IRQ handler\n",
@@ -1916,7 +2067,6 @@ int rtl_pci_probe(struct pci_dev *pdev,
fail3:
rtl_deinit_core(hw);
- _rtl_pci_io_handler_release(hw);
if (rtlpriv->io.pci_mem_start != 0)
pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start);
@@ -1928,7 +2078,6 @@ fail2:
fail1:
if (hw)
ieee80211_free_hw(hw);
- pci_set_drvdata(pdev, NULL);
pci_disable_device(pdev);
return err;
@@ -1965,14 +2114,18 @@ void rtl_pci_disconnect(struct pci_dev *pdev)
rtl_pci_deinit(hw);
rtl_deinit_core(hw);
- _rtl_pci_io_handler_release(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);
@@ -1982,8 +2135,6 @@ void rtl_pci_disconnect(struct pci_dev *pdev)
rtl_pci_disable_aspm(hw);
- pci_set_drvdata(pdev, NULL);
-
ieee80211_free_hw(hw);
}
EXPORT_SYMBOL(rtl_pci_disconnect);
@@ -2034,6 +2185,7 @@ 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,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 16:09:35 +0000