1 /******************************************************************************
3 * Copyright(c) 2009-2010 Realtek Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
26 * Larry Finger <Larry.Finger@lwfinger.net>
28 *****************************************************************************/
30 #include <linux/export.h>
38 static const u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = {
45 static const u8 ac_to_hwq[] = {
52 static u8 _rtl_mac_to_hwqueue(struct ieee80211_hw *hw,
55 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
56 __le16 fc = rtl_get_fc(skb);
57 u8 queue_index = skb_get_queue_mapping(skb);
59 if (unlikely(ieee80211_is_beacon(fc)))
61 if (ieee80211_is_mgmt(fc))
63 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE)
64 if (ieee80211_is_nullfunc(fc))
67 return ac_to_hwq[queue_index];
70 /* Update PCI dependent default settings*/
71 static void _rtl_pci_update_default_setting(struct ieee80211_hw *hw)
73 struct rtl_priv *rtlpriv = rtl_priv(hw);
74 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
75 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
76 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
77 u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor;
80 ppsc->reg_rfps_level = 0;
81 ppsc->support_aspm = 0;
83 /*Update PCI ASPM setting */
84 ppsc->const_amdpci_aspm = rtlpci->const_amdpci_aspm;
85 switch (rtlpci->const_pci_aspm) {
91 /*ASPM dynamically enabled/disable. */
92 ppsc->reg_rfps_level |= RT_RF_LPS_LEVEL_ASPM;
96 /*ASPM with Clock Req dynamically enabled/disable. */
97 ppsc->reg_rfps_level |= (RT_RF_LPS_LEVEL_ASPM |
98 RT_RF_OFF_LEVL_CLK_REQ);
103 * Always enable ASPM and Clock Req
104 * from initialization to halt.
106 ppsc->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM);
107 ppsc->reg_rfps_level |= (RT_RF_PS_LEVEL_ALWAYS_ASPM |
108 RT_RF_OFF_LEVL_CLK_REQ);
113 * Always enable ASPM without Clock Req
114 * from initialization to halt.
116 ppsc->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM |
117 RT_RF_OFF_LEVL_CLK_REQ);
118 ppsc->reg_rfps_level |= RT_RF_PS_LEVEL_ALWAYS_ASPM;
122 ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC;
124 /*Update Radio OFF setting */
125 switch (rtlpci->const_hwsw_rfoff_d3) {
127 if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM)
128 ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM;
132 if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM)
133 ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM;
134 ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC;
138 ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_PCI_D3;
142 /*Set HW definition to determine if it supports ASPM. */
143 switch (rtlpci->const_support_pciaspm) {
145 /*Not support ASPM. */
146 bool support_aspm = false;
147 ppsc->support_aspm = support_aspm;
152 bool support_aspm = true;
153 bool support_backdoor = true;
154 ppsc->support_aspm = support_aspm;
156 /*if (priv->oem_id == RT_CID_TOSHIBA &&
157 !priv->ndis_adapter.amd_l1_patch)
158 support_backdoor = false; */
160 ppsc->support_backdoor = support_backdoor;
165 /*ASPM value set by chipset. */
166 if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) {
167 bool support_aspm = true;
168 ppsc->support_aspm = support_aspm;
172 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
173 ("switch case not process\n"));
177 /* toshiba aspm issue, toshiba will set aspm selfly
178 * so we should not set aspm in driver */
179 pci_read_config_byte(rtlpci->pdev, 0x80, &init_aspm);
180 if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8192SE &&
182 ppsc->support_aspm = false;
185 static bool _rtl_pci_platform_switch_device_pci_aspm(
186 struct ieee80211_hw *hw,
189 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
190 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
192 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)
195 pci_write_config_byte(rtlpci->pdev, 0x80, value);
200 /*When we set 0x01 to enable clk request. Set 0x0 to disable clk req.*/
201 static bool _rtl_pci_switch_clk_req(struct ieee80211_hw *hw, u8 value)
203 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
204 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
206 pci_write_config_byte(rtlpci->pdev, 0x81, value);
208 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE)
214 /*Disable RTL8192SE ASPM & Disable Pci Bridge ASPM*/
215 static void rtl_pci_disable_aspm(struct ieee80211_hw *hw)
217 struct rtl_priv *rtlpriv = rtl_priv(hw);
218 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
219 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
220 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
221 u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor;
222 u8 num4bytes = pcipriv->ndis_adapter.num4bytes;
223 /*Retrieve original configuration settings. */
224 u8 linkctrl_reg = pcipriv->ndis_adapter.linkctrl_reg;
225 u16 pcibridge_linkctrlreg = pcipriv->ndis_adapter.
226 pcibridge_linkctrlreg;
230 if (!ppsc->support_aspm)
233 if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) {
234 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
235 ("PCI(Bridge) UNKNOWN.\n"));
240 if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) {
241 RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ);
242 _rtl_pci_switch_clk_req(hw, 0x0);
245 /*for promising device will in L0 state after an I/O. */
246 pci_read_config_byte(rtlpci->pdev, 0x80, &tmp_u1b);
248 /*Set corresponding value. */
249 aspmlevel |= BIT(0) | BIT(1);
250 linkctrl_reg &= ~aspmlevel;
251 pcibridge_linkctrlreg &= ~(BIT(0) | BIT(1));
253 _rtl_pci_platform_switch_device_pci_aspm(hw, linkctrl_reg);
256 /*4 Disable Pci Bridge ASPM */
257 pci_write_config_byte(rtlpci->pdev, (num4bytes << 2),
258 pcibridge_linkctrlreg);
264 *Enable RTL8192SE ASPM & Enable Pci Bridge ASPM for
265 *power saving We should follow the sequence to enable
266 *RTL8192SE first then enable Pci Bridge ASPM
267 *or the system will show bluescreen.
269 static void rtl_pci_enable_aspm(struct ieee80211_hw *hw)
271 struct rtl_priv *rtlpriv = rtl_priv(hw);
272 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
273 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
274 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
275 u8 pcibridge_busnum = pcipriv->ndis_adapter.pcibridge_busnum;
276 u8 pcibridge_devnum = pcipriv->ndis_adapter.pcibridge_devnum;
277 u8 pcibridge_funcnum = pcipriv->ndis_adapter.pcibridge_funcnum;
278 u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor;
279 u8 num4bytes = pcipriv->ndis_adapter.num4bytes;
281 u8 u_pcibridge_aspmsetting;
282 u8 u_device_aspmsetting;
284 if (!ppsc->support_aspm)
287 if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) {
288 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
289 ("PCI(Bridge) UNKNOWN.\n"));
293 /*4 Enable Pci Bridge ASPM */
295 u_pcibridge_aspmsetting =
296 pcipriv->ndis_adapter.pcibridge_linkctrlreg |
297 rtlpci->const_hostpci_aspm_setting;
299 if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL)
300 u_pcibridge_aspmsetting &= ~BIT(0);
302 pci_write_config_byte(rtlpci->pdev, (num4bytes << 2),
303 u_pcibridge_aspmsetting);
305 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
306 ("PlatformEnableASPM():PciBridge busnumber[%x], "
307 "DevNumbe[%x], funcnumber[%x], Write reg[%x] = %x\n",
308 pcibridge_busnum, pcibridge_devnum, pcibridge_funcnum,
309 (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10),
310 u_pcibridge_aspmsetting));
314 /*Get ASPM level (with/without Clock Req) */
315 aspmlevel = rtlpci->const_devicepci_aspm_setting;
316 u_device_aspmsetting = pcipriv->ndis_adapter.linkctrl_reg;
318 /*_rtl_pci_platform_switch_device_pci_aspm(dev,*/
319 /*(priv->ndis_adapter.linkctrl_reg | ASPMLevel)); */
321 u_device_aspmsetting |= aspmlevel;
323 _rtl_pci_platform_switch_device_pci_aspm(hw, u_device_aspmsetting);
325 if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) {
326 _rtl_pci_switch_clk_req(hw, (ppsc->reg_rfps_level &
327 RT_RF_OFF_LEVL_CLK_REQ) ? 1 : 0);
328 RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ);
333 static bool rtl_pci_get_amd_l1_patch(struct ieee80211_hw *hw)
335 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
341 pci_write_config_byte(rtlpci->pdev, 0xe0, 0xa0);
343 pci_read_config_byte(rtlpci->pdev, 0xe0, &offset_e0);
345 if (offset_e0 == 0xA0) {
346 pci_read_config_dword(rtlpci->pdev, 0xe4, &offset_e4);
347 if (offset_e4 & BIT(23))
354 static void rtl_pci_get_linkcontrol_field(struct ieee80211_hw *hw)
356 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
357 struct rtl_pci *rtlpci = rtl_pcidev(pcipriv);
358 u8 capabilityoffset = pcipriv->ndis_adapter.pcibridge_pciehdr_offset;
362 num4bbytes = (capabilityoffset + 0x10) / 4;
364 /*Read Link Control Register */
365 pci_read_config_byte(rtlpci->pdev, (num4bbytes << 2), &linkctrl_reg);
367 pcipriv->ndis_adapter.pcibridge_linkctrlreg = linkctrl_reg;
370 static void rtl_pci_parse_configuration(struct pci_dev *pdev,
371 struct ieee80211_hw *hw)
373 struct rtl_priv *rtlpriv = rtl_priv(hw);
374 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
380 /*Link Control Register */
381 pos = pci_pcie_cap(pdev);
382 pci_read_config_byte(pdev, pos + PCI_EXP_LNKCTL, &linkctrl_reg);
383 pcipriv->ndis_adapter.linkctrl_reg = linkctrl_reg;
385 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
386 ("Link Control Register =%x\n",
387 pcipriv->ndis_adapter.linkctrl_reg));
389 pci_read_config_byte(pdev, 0x98, &tmp);
391 pci_write_config_byte(pdev, 0x98, tmp);
394 pci_write_config_byte(pdev, 0x70f, tmp);
397 static void rtl_pci_init_aspm(struct ieee80211_hw *hw)
399 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
401 _rtl_pci_update_default_setting(hw);
403 if (ppsc->reg_rfps_level & RT_RF_PS_LEVEL_ALWAYS_ASPM) {
404 /*Always enable ASPM & Clock Req. */
405 rtl_pci_enable_aspm(hw);
406 RT_SET_PS_LEVEL(ppsc, RT_RF_PS_LEVEL_ALWAYS_ASPM);
411 static void _rtl_pci_io_handler_init(struct device *dev,
412 struct ieee80211_hw *hw)
414 struct rtl_priv *rtlpriv = rtl_priv(hw);
416 rtlpriv->io.dev = dev;
418 rtlpriv->io.write8_async = pci_write8_async;
419 rtlpriv->io.write16_async = pci_write16_async;
420 rtlpriv->io.write32_async = pci_write32_async;
422 rtlpriv->io.read8_sync = pci_read8_sync;
423 rtlpriv->io.read16_sync = pci_read16_sync;
424 rtlpriv->io.read32_sync = pci_read32_sync;
428 static void _rtl_pci_io_handler_release(struct ieee80211_hw *hw)
432 static bool _rtl_update_earlymode_info(struct ieee80211_hw *hw,
433 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc, u8 tid)
435 struct rtl_priv *rtlpriv = rtl_priv(hw);
436 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
437 u8 additionlen = FCS_LEN;
438 struct sk_buff *next_skb;
440 /* here open is 4, wep/tkip is 8, aes is 12*/
441 if (info->control.hw_key)
442 additionlen += info->control.hw_key->icv_len;
444 /* The most skb num is 6 */
445 tcb_desc->empkt_num = 0;
446 spin_lock_bh(&rtlpriv->locks.waitq_lock);
447 skb_queue_walk(&rtlpriv->mac80211.skb_waitq[tid], next_skb) {
448 struct ieee80211_tx_info *next_info;
450 next_info = IEEE80211_SKB_CB(next_skb);
451 if (next_info->flags & IEEE80211_TX_CTL_AMPDU) {
452 tcb_desc->empkt_len[tcb_desc->empkt_num] =
453 next_skb->len + additionlen;
454 tcb_desc->empkt_num++;
459 if (skb_queue_is_last(&rtlpriv->mac80211.skb_waitq[tid],
463 if (tcb_desc->empkt_num >= 5)
466 spin_unlock_bh(&rtlpriv->locks.waitq_lock);
471 /* just for early mode now */
472 static void _rtl_pci_tx_chk_waitq(struct ieee80211_hw *hw)
474 struct rtl_priv *rtlpriv = rtl_priv(hw);
475 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
476 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
477 struct sk_buff *skb = NULL;
478 struct ieee80211_tx_info *info = NULL;
481 if (!rtlpriv->rtlhal.earlymode_enable)
484 /* we juse use em for BE/BK/VI/VO */
485 for (tid = 7; tid >= 0; tid--) {
486 u8 hw_queue = ac_to_hwq[rtl_tid_to_ac(hw, tid)];
487 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
488 while (!mac->act_scanning &&
489 rtlpriv->psc.rfpwr_state == ERFON) {
490 struct rtl_tcb_desc tcb_desc;
491 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
493 spin_lock_bh(&rtlpriv->locks.waitq_lock);
494 if (!skb_queue_empty(&mac->skb_waitq[tid]) &&
495 (ring->entries - skb_queue_len(&ring->queue) > 5)) {
496 skb = skb_dequeue(&mac->skb_waitq[tid]);
498 spin_unlock_bh(&rtlpriv->locks.waitq_lock);
501 spin_unlock_bh(&rtlpriv->locks.waitq_lock);
503 /* Some macaddr can't do early mode. like
504 * multicast/broadcast/no_qos data */
505 info = IEEE80211_SKB_CB(skb);
506 if (info->flags & IEEE80211_TX_CTL_AMPDU)
507 _rtl_update_earlymode_info(hw, skb,
510 rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
516 static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio)
518 struct rtl_priv *rtlpriv = rtl_priv(hw);
519 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
521 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[prio];
523 while (skb_queue_len(&ring->queue)) {
524 struct rtl_tx_desc *entry = &ring->desc[ring->idx];
526 struct ieee80211_tx_info *info;
530 u8 own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) entry, true,
534 *beacon packet will only use the first
535 *descriptor defautly,and the own may not
536 *be cleared by the hardware
540 ring->idx = (ring->idx + 1) % ring->entries;
542 skb = __skb_dequeue(&ring->queue);
543 pci_unmap_single(rtlpci->pdev,
545 get_desc((u8 *) entry, true,
546 HW_DESC_TXBUFF_ADDR),
547 skb->len, PCI_DMA_TODEVICE);
549 /* remove early mode header */
550 if (rtlpriv->rtlhal.earlymode_enable)
551 skb_pull(skb, EM_HDR_LEN);
553 RT_TRACE(rtlpriv, (COMP_INTR | COMP_SEND), DBG_TRACE,
554 ("new ring->idx:%d, "
555 "free: skb_queue_len:%d, free: seq:%x\n",
557 skb_queue_len(&ring->queue),
558 *(u16 *) (skb->data + 22)));
560 if (prio == TXCMD_QUEUE) {
566 /* for sw LPS, just after NULL skb send out, we can
567 * sure AP kown we are sleeped, our we should not let
569 fc = rtl_get_fc(skb);
570 if (ieee80211_is_nullfunc(fc)) {
571 if (ieee80211_has_pm(fc)) {
572 rtlpriv->mac80211.offchan_delay = true;
573 rtlpriv->psc.state_inap = 1;
575 rtlpriv->psc.state_inap = 0;
579 /* update tid tx pkt num */
580 tid = rtl_get_tid(skb);
582 rtlpriv->link_info.tidtx_inperiod[tid]++;
584 info = IEEE80211_SKB_CB(skb);
585 ieee80211_tx_info_clear_status(info);
587 info->flags |= IEEE80211_TX_STAT_ACK;
588 /*info->status.rates[0].count = 1; */
590 ieee80211_tx_status_irqsafe(hw, skb);
592 if ((ring->entries - skb_queue_len(&ring->queue))
595 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
596 ("more desc left, wake"
597 "skb_queue@%d,ring->idx = %d,"
598 "skb_queue_len = 0x%d\n",
600 skb_queue_len(&ring->queue)));
602 ieee80211_wake_queue(hw,
603 skb_get_queue_mapping
610 if (((rtlpriv->link_info.num_rx_inperiod +
611 rtlpriv->link_info.num_tx_inperiod) > 8) ||
612 (rtlpriv->link_info.num_rx_inperiod > 2)) {
613 tasklet_schedule(&rtlpriv->works.ips_leave_tasklet);
617 static void _rtl_receive_one(struct ieee80211_hw *hw, struct sk_buff *skb,
618 struct ieee80211_rx_status rx_status)
620 struct rtl_priv *rtlpriv = rtl_priv(hw);
621 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
622 __le16 fc = rtl_get_fc(skb);
623 bool unicast = false;
624 struct sk_buff *uskb = NULL;
628 memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
630 if (is_broadcast_ether_addr(hdr->addr1)) {
632 } else if (is_multicast_ether_addr(hdr->addr1)) {
636 rtlpriv->stats.rxbytesunicast += skb->len;
639 rtl_is_special_data(hw, skb, false);
641 if (ieee80211_is_data(fc)) {
642 rtlpriv->cfg->ops->led_control(hw, LED_CTL_RX);
645 rtlpriv->link_info.num_rx_inperiod++;
649 rtl_swlps_beacon(hw, (void *)skb->data, skb->len);
650 rtl_recognize_peer(hw, (void *)skb->data, skb->len);
651 if ((rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) &&
652 (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) &&
653 (ieee80211_is_beacon(fc) || ieee80211_is_probe_resp(fc)))
656 if (unlikely(!rtl_action_proc(hw, skb, false)))
659 uskb = dev_alloc_skb(skb->len + 128);
661 return; /* exit if allocation failed */
662 memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, sizeof(rx_status));
663 pdata = (u8 *)skb_put(uskb, skb->len);
664 memcpy(pdata, skb->data, skb->len);
666 ieee80211_rx_irqsafe(hw, uskb);
669 static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
671 struct rtl_priv *rtlpriv = rtl_priv(hw);
672 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
673 int rx_queue_idx = RTL_PCI_RX_MPDU_QUEUE;
675 struct ieee80211_rx_status rx_status = { 0 };
676 unsigned int count = rtlpci->rxringcount;
681 struct rtl_stats stats = {
686 int index = rtlpci->rx_ring[rx_queue_idx].idx;
691 struct rtl_rx_desc *pdesc = &rtlpci->rx_ring[rx_queue_idx].desc[
694 struct sk_buff *skb = rtlpci->rx_ring[rx_queue_idx].rx_buf[
696 struct sk_buff *new_skb = NULL;
698 own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) pdesc,
701 /*wait data to be filled by hardware */
705 rtlpriv->cfg->ops->query_rx_desc(hw, &stats,
709 if (stats.crc || stats.hwerror)
712 new_skb = dev_alloc_skb(rtlpci->rxbuffersize);
713 if (unlikely(!new_skb)) {
714 RT_TRACE(rtlpriv, (COMP_INTR | COMP_RECV),
716 ("can't alloc skb for rx\n"));
720 pci_unmap_single(rtlpci->pdev,
721 *((dma_addr_t *) skb->cb),
722 rtlpci->rxbuffersize,
725 skb_put(skb, rtlpriv->cfg->ops->get_desc((u8 *) pdesc, false,
727 skb_reserve(skb, stats.rx_drvinfo_size + stats.rx_bufshift);
730 * NOTICE This can not be use for mac80211,
731 * this is done in mac80211 code,
732 * if you done here sec DHCP will fail
733 * skb_trim(skb, skb->len - 4);
736 _rtl_receive_one(hw, skb, rx_status);
738 if (((rtlpriv->link_info.num_rx_inperiod +
739 rtlpriv->link_info.num_tx_inperiod) > 8) ||
740 (rtlpriv->link_info.num_rx_inperiod > 2)) {
741 tasklet_schedule(&rtlpriv->works.ips_leave_tasklet);
744 dev_kfree_skb_any(skb);
747 rtlpci->rx_ring[rx_queue_idx].rx_buf[index] = skb;
748 *((dma_addr_t *) skb->cb) =
749 pci_map_single(rtlpci->pdev, skb_tail_pointer(skb),
750 rtlpci->rxbuffersize,
754 bufferaddress = (*((dma_addr_t *)skb->cb));
756 rtlpriv->cfg->ops->set_desc((u8 *) pdesc, false,
758 (u8 *)&bufferaddress);
759 rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false,
761 (u8 *)&rtlpci->rxbuffersize);
763 if (index == rtlpci->rxringcount - 1)
764 rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false,
768 rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXOWN,
771 index = (index + 1) % rtlpci->rxringcount;
774 rtlpci->rx_ring[rx_queue_idx].idx = index;
777 static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id)
779 struct ieee80211_hw *hw = dev_id;
780 struct rtl_priv *rtlpriv = rtl_priv(hw);
781 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
786 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
788 /*read ISR: 4/8bytes */
789 rtlpriv->cfg->ops->interrupt_recognized(hw, &inta, &intb);
791 /*Shared IRQ or HW disappared */
792 if (!inta || inta == 0xffff)
795 /*<1> beacon related */
796 if (inta & rtlpriv->cfg->maps[RTL_IMR_TBDOK]) {
797 RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
798 ("beacon ok interrupt!\n"));
801 if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_TBDER])) {
802 RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
803 ("beacon err interrupt!\n"));
806 if (inta & rtlpriv->cfg->maps[RTL_IMR_BDOK]) {
807 RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
808 ("beacon interrupt!\n"));
811 if (inta & rtlpriv->cfg->maps[RTL_IMR_BcnInt]) {
812 RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
813 ("prepare beacon for interrupt!\n"));
814 tasklet_schedule(&rtlpriv->works.irq_prepare_bcn_tasklet);
818 if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_TXFOVW]))
819 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, ("IMR_TXFOVW!\n"));
821 if (inta & rtlpriv->cfg->maps[RTL_IMR_MGNTDOK]) {
822 RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
823 ("Manage ok interrupt!\n"));
824 _rtl_pci_tx_isr(hw, MGNT_QUEUE);
827 if (inta & rtlpriv->cfg->maps[RTL_IMR_HIGHDOK]) {
828 RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
829 ("HIGH_QUEUE ok interrupt!\n"));
830 _rtl_pci_tx_isr(hw, HIGH_QUEUE);
833 if (inta & rtlpriv->cfg->maps[RTL_IMR_BKDOK]) {
834 rtlpriv->link_info.num_tx_inperiod++;
836 RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
837 ("BK Tx OK interrupt!\n"));
838 _rtl_pci_tx_isr(hw, BK_QUEUE);
841 if (inta & rtlpriv->cfg->maps[RTL_IMR_BEDOK]) {
842 rtlpriv->link_info.num_tx_inperiod++;
844 RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
845 ("BE TX OK interrupt!\n"));
846 _rtl_pci_tx_isr(hw, BE_QUEUE);
849 if (inta & rtlpriv->cfg->maps[RTL_IMR_VIDOK]) {
850 rtlpriv->link_info.num_tx_inperiod++;
852 RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
853 ("VI TX OK interrupt!\n"));
854 _rtl_pci_tx_isr(hw, VI_QUEUE);
857 if (inta & rtlpriv->cfg->maps[RTL_IMR_VODOK]) {
858 rtlpriv->link_info.num_tx_inperiod++;
860 RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
861 ("Vo TX OK interrupt!\n"));
862 _rtl_pci_tx_isr(hw, VO_QUEUE);
865 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
866 if (inta & rtlpriv->cfg->maps[RTL_IMR_COMDOK]) {
867 rtlpriv->link_info.num_tx_inperiod++;
869 RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
870 ("CMD TX OK interrupt!\n"));
871 _rtl_pci_tx_isr(hw, TXCMD_QUEUE);
876 if (inta & rtlpriv->cfg->maps[RTL_IMR_ROK]) {
877 RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, ("Rx ok interrupt!\n"));
878 _rtl_pci_rx_interrupt(hw);
881 if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_RDU])) {
882 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
883 ("rx descriptor unavailable!\n"));
884 _rtl_pci_rx_interrupt(hw);
887 if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_RXFOVW])) {
888 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, ("rx overflow !\n"));
889 _rtl_pci_rx_interrupt(hw);
892 if (rtlpriv->rtlhal.earlymode_enable)
893 tasklet_schedule(&rtlpriv->works.irq_tasklet);
895 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
899 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
903 static void _rtl_pci_irq_tasklet(struct ieee80211_hw *hw)
905 _rtl_pci_tx_chk_waitq(hw);
908 static void _rtl_pci_ips_leave_tasklet(struct ieee80211_hw *hw)
913 static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
915 struct rtl_priv *rtlpriv = rtl_priv(hw);
916 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
917 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
918 struct rtl8192_tx_ring *ring = NULL;
919 struct ieee80211_hdr *hdr = NULL;
920 struct ieee80211_tx_info *info = NULL;
921 struct sk_buff *pskb = NULL;
922 struct rtl_tx_desc *pdesc = NULL;
923 struct rtl_tcb_desc tcb_desc;
926 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
927 ring = &rtlpci->tx_ring[BEACON_QUEUE];
928 pskb = __skb_dequeue(&ring->queue);
930 struct rtl_tx_desc *entry = &ring->desc[ring->idx];
931 pci_unmap_single(rtlpci->pdev, rtlpriv->cfg->ops->get_desc(
932 (u8 *) entry, true, HW_DESC_TXBUFF_ADDR),
933 pskb->len, PCI_DMA_TODEVICE);
937 /*NB: the beacon data buffer must be 32-bit aligned. */
938 pskb = ieee80211_beacon_get(hw, mac->vif);
941 hdr = rtl_get_hdr(pskb);
942 info = IEEE80211_SKB_CB(pskb);
943 pdesc = &ring->desc[0];
944 rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *) pdesc,
945 info, pskb, BEACON_QUEUE, &tcb_desc);
947 __skb_queue_tail(&ring->queue, pskb);
949 rtlpriv->cfg->ops->set_desc((u8 *) pdesc, true, HW_DESC_OWN,
955 static void _rtl_pci_init_trx_var(struct ieee80211_hw *hw)
957 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
960 for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++)
961 rtlpci->txringcount[i] = RT_TXDESC_NUM;
964 *we just alloc 2 desc for beacon queue,
965 *because we just need first desc in hw beacon.
967 rtlpci->txringcount[BEACON_QUEUE] = 2;
970 *BE queue need more descriptor for performance
971 *consideration or, No more tx desc will happen,
972 *and may cause mac80211 mem leakage.
974 rtlpci->txringcount[BE_QUEUE] = RT_TXDESC_NUM_BE_QUEUE;
976 rtlpci->rxbuffersize = 9100; /*2048/1024; */
977 rtlpci->rxringcount = RTL_PCI_MAX_RX_COUNT; /*64; */
980 static void _rtl_pci_init_struct(struct ieee80211_hw *hw,
981 struct pci_dev *pdev)
983 struct rtl_priv *rtlpriv = rtl_priv(hw);
984 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
985 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
986 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
988 rtlpci->up_first_time = true;
989 rtlpci->being_init_adapter = false;
994 /*Tx/Rx related var */
995 _rtl_pci_init_trx_var(hw);
997 /*IBSS*/ mac->beacon_interval = 100;
1000 mac->min_space_cfg = 0;
1001 mac->max_mss_density = 0;
1002 /*set sane AMPDU defaults */
1003 mac->current_ampdu_density = 7;
1004 mac->current_ampdu_factor = 3;
1007 rtlpci->acm_method = eAcmWay2_SW;
1010 tasklet_init(&rtlpriv->works.irq_tasklet,
1011 (void (*)(unsigned long))_rtl_pci_irq_tasklet,
1013 tasklet_init(&rtlpriv->works.irq_prepare_bcn_tasklet,
1014 (void (*)(unsigned long))_rtl_pci_prepare_bcn_tasklet,
1016 tasklet_init(&rtlpriv->works.ips_leave_tasklet,
1017 (void (*)(unsigned long))_rtl_pci_ips_leave_tasklet,
1021 static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
1022 unsigned int prio, unsigned int entries)
1024 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1025 struct rtl_priv *rtlpriv = rtl_priv(hw);
1026 struct rtl_tx_desc *ring;
1028 u32 nextdescaddress;
1031 ring = pci_alloc_consistent(rtlpci->pdev,
1032 sizeof(*ring) * entries, &dma);
1034 if (!ring || (unsigned long)ring & 0xFF) {
1035 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1036 ("Cannot allocate TX ring (prio = %d)\n", prio));
1040 memset(ring, 0, sizeof(*ring) * entries);
1041 rtlpci->tx_ring[prio].desc = ring;
1042 rtlpci->tx_ring[prio].dma = dma;
1043 rtlpci->tx_ring[prio].idx = 0;
1044 rtlpci->tx_ring[prio].entries = entries;
1045 skb_queue_head_init(&rtlpci->tx_ring[prio].queue);
1047 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1048 ("queue:%d, ring_addr:%p\n", prio, ring));
1050 for (i = 0; i < entries; i++) {
1051 nextdescaddress = (u32) dma +
1052 ((i + 1) % entries) *
1055 rtlpriv->cfg->ops->set_desc((u8 *)&(ring[i]),
1056 true, HW_DESC_TX_NEXTDESC_ADDR,
1057 (u8 *)&nextdescaddress);
1063 static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw)
1065 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1066 struct rtl_priv *rtlpriv = rtl_priv(hw);
1067 struct rtl_rx_desc *entry = NULL;
1068 int i, rx_queue_idx;
1072 *rx_queue_idx 0:RX_MPDU_QUEUE
1073 *rx_queue_idx 1:RX_CMD_QUEUE
1075 for (rx_queue_idx = 0; rx_queue_idx < RTL_PCI_MAX_RX_QUEUE;
1077 rtlpci->rx_ring[rx_queue_idx].desc =
1078 pci_alloc_consistent(rtlpci->pdev,
1079 sizeof(*rtlpci->rx_ring[rx_queue_idx].
1080 desc) * rtlpci->rxringcount,
1081 &rtlpci->rx_ring[rx_queue_idx].dma);
1083 if (!rtlpci->rx_ring[rx_queue_idx].desc ||
1084 (unsigned long)rtlpci->rx_ring[rx_queue_idx].desc & 0xFF) {
1085 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1086 ("Cannot allocate RX ring\n"));
1090 memset(rtlpci->rx_ring[rx_queue_idx].desc, 0,
1091 sizeof(*rtlpci->rx_ring[rx_queue_idx].desc) *
1092 rtlpci->rxringcount);
1094 rtlpci->rx_ring[rx_queue_idx].idx = 0;
1096 /* If amsdu_8k is disabled, set buffersize to 4096. This
1097 * change will reduce memory fragmentation.
1099 if (rtlpci->rxbuffersize > 4096 &&
1100 rtlpriv->rtlhal.disable_amsdu_8k)
1101 rtlpci->rxbuffersize = 4096;
1103 for (i = 0; i < rtlpci->rxringcount; i++) {
1104 struct sk_buff *skb =
1105 dev_alloc_skb(rtlpci->rxbuffersize);
1109 entry = &rtlpci->rx_ring[rx_queue_idx].desc[i];
1111 /*skb->dev = dev; */
1113 rtlpci->rx_ring[rx_queue_idx].rx_buf[i] = skb;
1116 *just set skb->cb to mapping addr
1117 *for pci_unmap_single use
1119 *((dma_addr_t *) skb->cb) =
1120 pci_map_single(rtlpci->pdev, skb_tail_pointer(skb),
1121 rtlpci->rxbuffersize,
1122 PCI_DMA_FROMDEVICE);
1124 bufferaddress = (*((dma_addr_t *)skb->cb));
1125 rtlpriv->cfg->ops->set_desc((u8 *)entry, false,
1126 HW_DESC_RXBUFF_ADDR,
1127 (u8 *)&bufferaddress);
1128 rtlpriv->cfg->ops->set_desc((u8 *)entry, false,
1132 rtlpriv->cfg->ops->set_desc((u8 *) entry, false,
1137 rtlpriv->cfg->ops->set_desc((u8 *) entry, false,
1138 HW_DESC_RXERO, (u8 *)&tmp_one);
1143 static void _rtl_pci_free_tx_ring(struct ieee80211_hw *hw,
1146 struct rtl_priv *rtlpriv = rtl_priv(hw);
1147 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1148 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[prio];
1150 while (skb_queue_len(&ring->queue)) {
1151 struct rtl_tx_desc *entry = &ring->desc[ring->idx];
1152 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1154 pci_unmap_single(rtlpci->pdev,
1156 ops->get_desc((u8 *) entry, true,
1157 HW_DESC_TXBUFF_ADDR),
1158 skb->len, PCI_DMA_TODEVICE);
1160 ring->idx = (ring->idx + 1) % ring->entries;
1164 pci_free_consistent(rtlpci->pdev,
1165 sizeof(*ring->desc) * ring->entries,
1166 ring->desc, ring->dma);
1171 static void _rtl_pci_free_rx_ring(struct rtl_pci *rtlpci)
1173 int i, rx_queue_idx;
1175 /*rx_queue_idx 0:RX_MPDU_QUEUE */
1176 /*rx_queue_idx 1:RX_CMD_QUEUE */
1177 for (rx_queue_idx = 0; rx_queue_idx < RTL_PCI_MAX_RX_QUEUE;
1179 for (i = 0; i < rtlpci->rxringcount; i++) {
1180 struct sk_buff *skb =
1181 rtlpci->rx_ring[rx_queue_idx].rx_buf[i];
1185 pci_unmap_single(rtlpci->pdev,
1186 *((dma_addr_t *) skb->cb),
1187 rtlpci->rxbuffersize,
1188 PCI_DMA_FROMDEVICE);
1192 if (rtlpci->rx_ring[rx_queue_idx].desc) {
1193 pci_free_consistent(rtlpci->pdev,
1194 sizeof(*rtlpci->rx_ring[rx_queue_idx].
1195 desc) * rtlpci->rxringcount,
1196 rtlpci->rx_ring[rx_queue_idx].desc,
1197 rtlpci->rx_ring[rx_queue_idx].dma);
1198 rtlpci->rx_ring[rx_queue_idx].desc = NULL;
1203 static int _rtl_pci_init_trx_ring(struct ieee80211_hw *hw)
1205 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1209 ret = _rtl_pci_init_rx_ring(hw);
1213 for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) {
1214 ret = _rtl_pci_init_tx_ring(hw, i,
1215 rtlpci->txringcount[i]);
1217 goto err_free_rings;
1223 _rtl_pci_free_rx_ring(rtlpci);
1225 for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++)
1226 if (rtlpci->tx_ring[i].desc)
1227 _rtl_pci_free_tx_ring(hw, i);
1232 static int _rtl_pci_deinit_trx_ring(struct ieee80211_hw *hw)
1234 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1238 _rtl_pci_free_rx_ring(rtlpci);
1241 for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++)
1242 _rtl_pci_free_tx_ring(hw, i);
1247 int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw)
1249 struct rtl_priv *rtlpriv = rtl_priv(hw);
1250 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1251 int i, rx_queue_idx;
1252 unsigned long flags;
1255 /*rx_queue_idx 0:RX_MPDU_QUEUE */
1256 /*rx_queue_idx 1:RX_CMD_QUEUE */
1257 for (rx_queue_idx = 0; rx_queue_idx < RTL_PCI_MAX_RX_QUEUE;
1260 *force the rx_ring[RX_MPDU_QUEUE/
1261 *RX_CMD_QUEUE].idx to the first one
1263 if (rtlpci->rx_ring[rx_queue_idx].desc) {
1264 struct rtl_rx_desc *entry = NULL;
1266 for (i = 0; i < rtlpci->rxringcount; i++) {
1267 entry = &rtlpci->rx_ring[rx_queue_idx].desc[i];
1268 rtlpriv->cfg->ops->set_desc((u8 *) entry,
1273 rtlpci->rx_ring[rx_queue_idx].idx = 0;
1278 *after reset, release previous pending packet,
1279 *and force the tx idx to the first one
1281 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1282 for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) {
1283 if (rtlpci->tx_ring[i].desc) {
1284 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[i];
1286 while (skb_queue_len(&ring->queue)) {
1287 struct rtl_tx_desc *entry =
1288 &ring->desc[ring->idx];
1289 struct sk_buff *skb =
1290 __skb_dequeue(&ring->queue);
1292 pci_unmap_single(rtlpci->pdev,
1297 HW_DESC_TXBUFF_ADDR),
1298 skb->len, PCI_DMA_TODEVICE);
1300 ring->idx = (ring->idx + 1) % ring->entries;
1306 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1311 static bool rtl_pci_tx_chk_waitq_insert(struct ieee80211_hw *hw,
1312 struct sk_buff *skb)
1314 struct rtl_priv *rtlpriv = rtl_priv(hw);
1315 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1316 struct ieee80211_sta *sta = info->control.sta;
1317 struct rtl_sta_info *sta_entry = NULL;
1318 u8 tid = rtl_get_tid(skb);
1322 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1324 if (!rtlpriv->rtlhal.earlymode_enable)
1326 if (sta_entry->tids[tid].agg.agg_state != RTL_AGG_OPERATIONAL)
1328 if (_rtl_mac_to_hwqueue(hw, skb) > VO_QUEUE)
1333 /* maybe every tid should be checked */
1334 if (!rtlpriv->link_info.higher_busytxtraffic[tid])
1337 spin_lock_bh(&rtlpriv->locks.waitq_lock);
1338 skb_queue_tail(&rtlpriv->mac80211.skb_waitq[tid], skb);
1339 spin_unlock_bh(&rtlpriv->locks.waitq_lock);
1344 static int rtl_pci_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
1345 struct rtl_tcb_desc *ptcb_desc)
1347 struct rtl_priv *rtlpriv = rtl_priv(hw);
1348 struct rtl_sta_info *sta_entry = NULL;
1349 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1350 struct ieee80211_sta *sta = info->control.sta;
1351 struct rtl8192_tx_ring *ring;
1352 struct rtl_tx_desc *pdesc;
1354 u8 hw_queue = _rtl_mac_to_hwqueue(hw, skb);
1355 unsigned long flags;
1356 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1357 __le16 fc = rtl_get_fc(skb);
1358 u8 *pda_addr = hdr->addr1;
1359 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1366 if (ieee80211_is_auth(fc)) {
1367 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, ("MAC80211_LINKING\n"));
1371 if (rtlpriv->psc.sw_ps_enabled) {
1372 if (ieee80211_is_data(fc) && !ieee80211_is_nullfunc(fc) &&
1373 !ieee80211_has_pm(fc))
1374 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
1377 rtl_action_proc(hw, skb, true);
1379 if (is_multicast_ether_addr(pda_addr))
1380 rtlpriv->stats.txbytesmulticast += skb->len;
1381 else if (is_broadcast_ether_addr(pda_addr))
1382 rtlpriv->stats.txbytesbroadcast += skb->len;
1384 rtlpriv->stats.txbytesunicast += skb->len;
1386 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1387 ring = &rtlpci->tx_ring[hw_queue];
1388 if (hw_queue != BEACON_QUEUE)
1389 idx = (ring->idx + skb_queue_len(&ring->queue)) %
1394 pdesc = &ring->desc[idx];
1395 own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) pdesc,
1398 if ((own == 1) && (hw_queue != BEACON_QUEUE)) {
1399 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1400 ("No more TX desc@%d, ring->idx = %d,"
1401 "idx = %d, skb_queue_len = 0x%d\n",
1402 hw_queue, ring->idx, idx,
1403 skb_queue_len(&ring->queue)));
1405 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1409 if (ieee80211_is_data_qos(fc)) {
1410 tid = rtl_get_tid(skb);
1412 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1413 seq_number = (le16_to_cpu(hdr->seq_ctrl) &
1414 IEEE80211_SCTL_SEQ) >> 4;
1417 if (!ieee80211_has_morefrags(hdr->frame_control))
1418 sta_entry->tids[tid].seq_number = seq_number;
1422 if (ieee80211_is_data(fc))
1423 rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX);
1425 rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc,
1426 info, skb, hw_queue, ptcb_desc);
1428 __skb_queue_tail(&ring->queue, skb);
1430 rtlpriv->cfg->ops->set_desc((u8 *)pdesc, true,
1431 HW_DESC_OWN, (u8 *)&temp_one);
1434 if ((ring->entries - skb_queue_len(&ring->queue)) < 2 &&
1435 hw_queue != BEACON_QUEUE) {
1437 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
1438 ("less desc left, stop skb_queue@%d, "
1440 "idx = %d, skb_queue_len = 0x%d\n",
1441 hw_queue, ring->idx, idx,
1442 skb_queue_len(&ring->queue)));
1444 ieee80211_stop_queue(hw, skb_get_queue_mapping(skb));
1447 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1449 rtlpriv->cfg->ops->tx_polling(hw, hw_queue);
1454 static void rtl_pci_flush(struct ieee80211_hw *hw, bool drop)
1456 struct rtl_priv *rtlpriv = rtl_priv(hw);
1457 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
1458 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1461 struct rtl8192_tx_ring *ring;
1463 for (queue_id = RTL_PCI_MAX_TX_QUEUE_COUNT - 1; queue_id >= 0;) {
1465 ring = &pcipriv->dev.tx_ring[queue_id];
1466 queue_len = skb_queue_len(&ring->queue);
1467 if (queue_len == 0 || queue_id == BEACON_QUEUE ||
1468 queue_id == TXCMD_QUEUE) {
1476 /* we just wait 1s for all queues */
1477 if (rtlpriv->psc.rfpwr_state == ERFOFF ||
1478 is_hal_stop(rtlhal) || i >= 200)
1483 static void rtl_pci_deinit(struct ieee80211_hw *hw)
1485 struct rtl_priv *rtlpriv = rtl_priv(hw);
1486 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1488 _rtl_pci_deinit_trx_ring(hw);
1490 synchronize_irq(rtlpci->pdev->irq);
1491 tasklet_kill(&rtlpriv->works.irq_tasklet);
1492 tasklet_kill(&rtlpriv->works.ips_leave_tasklet);
1494 flush_workqueue(rtlpriv->works.rtl_wq);
1495 destroy_workqueue(rtlpriv->works.rtl_wq);
1499 static int rtl_pci_init(struct ieee80211_hw *hw, struct pci_dev *pdev)
1501 struct rtl_priv *rtlpriv = rtl_priv(hw);
1504 _rtl_pci_init_struct(hw, pdev);
1506 err = _rtl_pci_init_trx_ring(hw);
1508 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1509 ("tx ring initialization failed"));
1516 static int rtl_pci_start(struct ieee80211_hw *hw)
1518 struct rtl_priv *rtlpriv = rtl_priv(hw);
1519 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1520 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1521 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1525 rtl_pci_reset_trx_ring(hw);
1527 rtlpci->driver_is_goingto_unload = false;
1528 err = rtlpriv->cfg->ops->hw_init(hw);
1530 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
1531 ("Failed to config hardware!\n"));
1535 rtlpriv->cfg->ops->enable_interrupt(hw);
1536 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("enable_interrupt OK\n"));
1538 rtl_init_rx_config(hw);
1540 /*should be after adapter start and interrupt enable. */
1541 set_hal_start(rtlhal);
1543 RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
1545 rtlpci->up_first_time = false;
1547 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, ("OK\n"));
1551 static void rtl_pci_stop(struct ieee80211_hw *hw)
1553 struct rtl_priv *rtlpriv = rtl_priv(hw);
1554 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1555 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1556 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1557 unsigned long flags;
1558 u8 RFInProgressTimeOut = 0;
1561 *should be before disable interrupt&adapter
1562 *and will do it immediately.
1564 set_hal_stop(rtlhal);
1566 rtlpriv->cfg->ops->disable_interrupt(hw);
1567 tasklet_kill(&rtlpriv->works.ips_leave_tasklet);
1569 spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags);
1570 while (ppsc->rfchange_inprogress) {
1571 spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags);
1572 if (RFInProgressTimeOut > 100) {
1573 spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags);
1577 RFInProgressTimeOut++;
1578 spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags);
1580 ppsc->rfchange_inprogress = true;
1581 spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags);
1583 rtlpci->driver_is_goingto_unload = true;
1584 rtlpriv->cfg->ops->hw_disable(hw);
1585 rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_OFF);
1587 spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags);
1588 ppsc->rfchange_inprogress = false;
1589 spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags);
1591 rtl_pci_enable_aspm(hw);
1594 static bool _rtl_pci_find_adapter(struct pci_dev *pdev,
1595 struct ieee80211_hw *hw)
1597 struct rtl_priv *rtlpriv = rtl_priv(hw);
1598 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
1599 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1600 struct pci_dev *bridge_pdev = pdev->bus->self;
1607 pcipriv->ndis_adapter.pcibridge_vendor = PCI_BRIDGE_VENDOR_UNKNOWN;
1608 venderid = pdev->vendor;
1609 deviceid = pdev->device;
1610 pci_read_config_byte(pdev, 0x8, &revisionid);
1611 pci_read_config_word(pdev, 0x3C, &irqline);
1613 /* PCI ID 0x10ec:0x8192 occurs for both RTL8192E, which uses
1614 * r8192e_pci, and RTL8192SE, which uses this driver. If the
1615 * revision ID is RTL_PCI_REVISION_ID_8192PCIE (0x01), then
1616 * the correct driver is r8192e_pci, thus this routine should
1619 if (deviceid == RTL_PCI_8192SE_DID &&
1620 revisionid == RTL_PCI_REVISION_ID_8192PCIE)
1623 if (deviceid == RTL_PCI_8192_DID ||
1624 deviceid == RTL_PCI_0044_DID ||
1625 deviceid == RTL_PCI_0047_DID ||
1626 deviceid == RTL_PCI_8192SE_DID ||
1627 deviceid == RTL_PCI_8174_DID ||
1628 deviceid == RTL_PCI_8173_DID ||
1629 deviceid == RTL_PCI_8172_DID ||
1630 deviceid == RTL_PCI_8171_DID) {
1631 switch (revisionid) {
1632 case RTL_PCI_REVISION_ID_8192PCIE:
1633 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
1634 ("8192 PCI-E is found - "
1635 "vid/did=%x/%x\n", venderid, deviceid));
1636 rtlhal->hw_type = HARDWARE_TYPE_RTL8192E;
1638 case RTL_PCI_REVISION_ID_8192SE:
1639 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
1640 ("8192SE is found - "
1641 "vid/did=%x/%x\n", venderid, deviceid));
1642 rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE;
1645 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1646 ("Err: Unknown device - "
1647 "vid/did=%x/%x\n", venderid, deviceid));
1648 rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE;
1652 } else if (deviceid == RTL_PCI_8192CET_DID ||
1653 deviceid == RTL_PCI_8192CE_DID ||
1654 deviceid == RTL_PCI_8191CE_DID ||
1655 deviceid == RTL_PCI_8188CE_DID) {
1656 rtlhal->hw_type = HARDWARE_TYPE_RTL8192CE;
1657 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
1658 ("8192C PCI-E is found - "
1659 "vid/did=%x/%x\n", venderid, deviceid));
1660 } else if (deviceid == RTL_PCI_8192DE_DID ||
1661 deviceid == RTL_PCI_8192DE_DID2) {
1662 rtlhal->hw_type = HARDWARE_TYPE_RTL8192DE;
1663 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
1664 ("8192D PCI-E is found - "
1665 "vid/did=%x/%x\n", venderid, deviceid));
1667 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1668 ("Err: Unknown device -"
1669 " vid/did=%x/%x\n", venderid, deviceid));
1671 rtlhal->hw_type = RTL_DEFAULT_HARDWARE_TYPE;
1674 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192DE) {
1675 if (revisionid == 0 || revisionid == 1) {
1676 if (revisionid == 0) {
1677 RT_TRACE(rtlpriv, COMP_INIT,
1678 DBG_LOUD, ("Find 92DE MAC0.\n"));
1679 rtlhal->interfaceindex = 0;
1680 } else if (revisionid == 1) {
1681 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1682 ("Find 92DE MAC1.\n"));
1683 rtlhal->interfaceindex = 1;
1686 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1687 ("Unknown device - "
1688 "VendorID/DeviceID=%x/%x, Revision=%x\n",
1689 venderid, deviceid, revisionid));
1690 rtlhal->interfaceindex = 0;
1694 pcipriv->ndis_adapter.busnumber = pdev->bus->number;
1695 pcipriv->ndis_adapter.devnumber = PCI_SLOT(pdev->devfn);
1696 pcipriv->ndis_adapter.funcnumber = PCI_FUNC(pdev->devfn);
1699 /*find bridge info if available */
1700 pcipriv->ndis_adapter.pcibridge_vendorid = bridge_pdev->vendor;
1701 for (tmp = 0; tmp < PCI_BRIDGE_VENDOR_MAX; tmp++) {
1702 if (bridge_pdev->vendor == pcibridge_vendors[tmp]) {
1703 pcipriv->ndis_adapter.pcibridge_vendor = tmp;
1704 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
1705 ("Pci Bridge Vendor is found index:"
1712 if (pcipriv->ndis_adapter.pcibridge_vendor !=
1713 PCI_BRIDGE_VENDOR_UNKNOWN) {
1714 pcipriv->ndis_adapter.pcibridge_busnum =
1715 bridge_pdev->bus->number;
1716 pcipriv->ndis_adapter.pcibridge_devnum =
1717 PCI_SLOT(bridge_pdev->devfn);
1718 pcipriv->ndis_adapter.pcibridge_funcnum =
1719 PCI_FUNC(bridge_pdev->devfn);
1720 pcipriv->ndis_adapter.pcibridge_pciehdr_offset =
1721 pci_pcie_cap(bridge_pdev);
1722 pcipriv->ndis_adapter.num4bytes =
1723 (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10) / 4;
1725 rtl_pci_get_linkcontrol_field(hw);
1727 if (pcipriv->ndis_adapter.pcibridge_vendor ==
1728 PCI_BRIDGE_VENDOR_AMD) {
1729 pcipriv->ndis_adapter.amd_l1_patch =
1730 rtl_pci_get_amd_l1_patch(hw);
1734 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
1735 ("pcidev busnumber:devnumber:funcnumber:"
1736 "vendor:link_ctl %d:%d:%d:%x:%x\n",
1737 pcipriv->ndis_adapter.busnumber,
1738 pcipriv->ndis_adapter.devnumber,
1739 pcipriv->ndis_adapter.funcnumber,
1740 pdev->vendor, pcipriv->ndis_adapter.linkctrl_reg));
1742 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
1743 ("pci_bridge busnumber:devnumber:funcnumber:vendor:"
1744 "pcie_cap:link_ctl_reg:amd %d:%d:%d:%x:%x:%x:%x\n",
1745 pcipriv->ndis_adapter.pcibridge_busnum,
1746 pcipriv->ndis_adapter.pcibridge_devnum,
1747 pcipriv->ndis_adapter.pcibridge_funcnum,
1748 pcibridge_vendors[pcipriv->ndis_adapter.pcibridge_vendor],
1749 pcipriv->ndis_adapter.pcibridge_pciehdr_offset,
1750 pcipriv->ndis_adapter.pcibridge_linkctrlreg,
1751 pcipriv->ndis_adapter.amd_l1_patch));
1753 rtl_pci_parse_configuration(pdev, hw);
1758 int __devinit rtl_pci_probe(struct pci_dev *pdev,
1759 const struct pci_device_id *id)
1761 struct ieee80211_hw *hw = NULL;
1763 struct rtl_priv *rtlpriv = NULL;
1764 struct rtl_pci_priv *pcipriv = NULL;
1765 struct rtl_pci *rtlpci;
1766 unsigned long pmem_start, pmem_len, pmem_flags;
1769 err = pci_enable_device(pdev);
1772 ("%s : Cannot enable new PCI device\n",
1777 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
1778 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
1779 RT_ASSERT(false, ("Unable to obtain 32bit DMA "
1780 "for consistent allocations\n"));
1781 pci_disable_device(pdev);
1786 pci_set_master(pdev);
1788 hw = ieee80211_alloc_hw(sizeof(struct rtl_pci_priv) +
1789 sizeof(struct rtl_priv), &rtl_ops);
1792 ("%s : ieee80211 alloc failed\n", pci_name(pdev)));
1797 SET_IEEE80211_DEV(hw, &pdev->dev);
1798 pci_set_drvdata(pdev, hw);
1801 pcipriv = (void *)rtlpriv->priv;
1802 pcipriv->dev.pdev = pdev;
1804 /* init cfg & intf_ops */
1805 rtlpriv->rtlhal.interface = INTF_PCI;
1806 rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_data);
1807 rtlpriv->intf_ops = &rtl_pci_ops;
1810 *init dbgp flags before all
1811 *other functions, because we will
1812 *use it in other funtions like
1813 *RT_TRACE/RT_PRINT/RTL_PRINT_DATA
1814 *you can not use these macro
1817 rtl_dbgp_flag_init(hw);
1820 err = pci_request_regions(pdev, KBUILD_MODNAME);
1822 RT_ASSERT(false, ("Can't obtain PCI resources\n"));
1826 pmem_start = pci_resource_start(pdev, rtlpriv->cfg->bar_id);
1827 pmem_len = pci_resource_len(pdev, rtlpriv->cfg->bar_id);
1828 pmem_flags = pci_resource_flags(pdev, rtlpriv->cfg->bar_id);
1830 /*shared mem start */
1831 rtlpriv->io.pci_mem_start =
1832 (unsigned long)pci_iomap(pdev,
1833 rtlpriv->cfg->bar_id, pmem_len);
1834 if (rtlpriv->io.pci_mem_start == 0) {
1835 RT_ASSERT(false, ("Can't map PCI mem\n"));
1839 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
1840 ("mem mapped space: start: 0x%08lx len:%08lx "
1841 "flags:%08lx, after map:0x%08lx\n",
1842 pmem_start, pmem_len, pmem_flags,
1843 rtlpriv->io.pci_mem_start));
1845 /* Disable Clk Request */
1846 pci_write_config_byte(pdev, 0x81, 0);
1848 pci_write_config_byte(pdev, 0x44, 0);
1849 pci_write_config_byte(pdev, 0x04, 0x06);
1850 pci_write_config_byte(pdev, 0x04, 0x07);
1853 if (!_rtl_pci_find_adapter(pdev, hw))
1856 /* Init IO handler */
1857 _rtl_pci_io_handler_init(&pdev->dev, hw);
1859 /*like read eeprom and so on */
1860 rtlpriv->cfg->ops->read_eeprom_info(hw);
1862 if (rtlpriv->cfg->ops->init_sw_vars(hw)) {
1863 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1864 ("Can't init_sw_vars.\n"));
1868 rtlpriv->cfg->ops->init_sw_leds(hw);
1871 rtl_pci_init_aspm(hw);
1873 /* Init mac80211 sw */
1874 err = rtl_init_core(hw);
1876 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1877 ("Can't allocate sw for mac80211.\n"));
1882 err = !rtl_pci_init(hw, pdev);
1884 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1885 ("Failed to init PCI.\n"));
1889 err = ieee80211_register_hw(hw);
1891 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1892 ("Can't register mac80211 hw.\n"));
1895 rtlpriv->mac80211.mac80211_registered = 1;
1898 err = sysfs_create_group(&pdev->dev.kobj, &rtl_attribute_group);
1900 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1901 ("failed to create sysfs device attributes\n"));
1906 rtl_init_rfkill(hw);
1908 rtlpci = rtl_pcidev(pcipriv);
1909 err = request_irq(rtlpci->pdev->irq, &_rtl_pci_interrupt,
1910 IRQF_SHARED, KBUILD_MODNAME, hw);
1912 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
1913 ("%s: failed to register IRQ handler\n",
1914 wiphy_name(hw->wiphy)));
1917 rtlpci->irq_alloc = 1;
1920 set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
1924 pci_set_drvdata(pdev, NULL);
1925 rtl_deinit_core(hw);
1926 _rtl_pci_io_handler_release(hw);
1927 ieee80211_free_hw(hw);
1929 if (rtlpriv->io.pci_mem_start != 0)
1930 pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start);
1933 pci_release_regions(pdev);
1937 pci_disable_device(pdev);
1942 EXPORT_SYMBOL(rtl_pci_probe);
1944 void rtl_pci_disconnect(struct pci_dev *pdev)
1946 struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1947 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
1948 struct rtl_priv *rtlpriv = rtl_priv(hw);
1949 struct rtl_pci *rtlpci = rtl_pcidev(pcipriv);
1950 struct rtl_mac *rtlmac = rtl_mac(rtlpriv);
1952 clear_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
1954 sysfs_remove_group(&pdev->dev.kobj, &rtl_attribute_group);
1956 /*ieee80211_unregister_hw will call ops_stop */
1957 if (rtlmac->mac80211_registered == 1) {
1958 ieee80211_unregister_hw(hw);
1959 rtlmac->mac80211_registered = 0;
1961 rtl_deinit_deferred_work(hw);
1962 rtlpriv->intf_ops->adapter_stop(hw);
1966 rtl_deinit_rfkill(hw);
1969 rtl_deinit_core(hw);
1970 _rtl_pci_io_handler_release(hw);
1971 rtlpriv->cfg->ops->deinit_sw_vars(hw);
1973 if (rtlpci->irq_alloc) {
1974 free_irq(rtlpci->pdev->irq, hw);
1975 rtlpci->irq_alloc = 0;
1978 if (rtlpriv->io.pci_mem_start != 0) {
1979 pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start);
1980 pci_release_regions(pdev);
1983 pci_disable_device(pdev);
1985 rtl_pci_disable_aspm(hw);
1987 pci_set_drvdata(pdev, NULL);
1989 ieee80211_free_hw(hw);
1991 EXPORT_SYMBOL(rtl_pci_disconnect);
1993 /***************************************
1994 kernel pci power state define:
1995 PCI_D0 ((pci_power_t __force) 0)
1996 PCI_D1 ((pci_power_t __force) 1)
1997 PCI_D2 ((pci_power_t __force) 2)
1998 PCI_D3hot ((pci_power_t __force) 3)
1999 PCI_D3cold ((pci_power_t __force) 4)
2000 PCI_UNKNOWN ((pci_power_t __force) 5)
2002 This function is called when system
2003 goes into suspend state mac80211 will
2004 call rtl_mac_stop() from the mac80211
2005 suspend function first, So there is
2006 no need to call hw_disable here.
2007 ****************************************/
2008 int rtl_pci_suspend(struct device *dev)
2010 struct pci_dev *pdev = to_pci_dev(dev);
2011 struct ieee80211_hw *hw = pci_get_drvdata(pdev);
2012 struct rtl_priv *rtlpriv = rtl_priv(hw);
2014 rtlpriv->cfg->ops->hw_suspend(hw);
2015 rtl_deinit_rfkill(hw);
2019 EXPORT_SYMBOL(rtl_pci_suspend);
2021 int rtl_pci_resume(struct device *dev)
2023 struct pci_dev *pdev = to_pci_dev(dev);
2024 struct ieee80211_hw *hw = pci_get_drvdata(pdev);
2025 struct rtl_priv *rtlpriv = rtl_priv(hw);
2027 rtlpriv->cfg->ops->hw_resume(hw);
2028 rtl_init_rfkill(hw);
2031 EXPORT_SYMBOL(rtl_pci_resume);
2033 struct rtl_intf_ops rtl_pci_ops = {
2034 .read_efuse_byte = read_efuse_byte,
2035 .adapter_start = rtl_pci_start,
2036 .adapter_stop = rtl_pci_stop,
2037 .adapter_tx = rtl_pci_tx,
2038 .flush = rtl_pci_flush,
2039 .reset_trx_ring = rtl_pci_reset_trx_ring,
2040 .waitq_insert = rtl_pci_tx_chk_waitq_insert,
2042 .disable_aspm = rtl_pci_disable_aspm,
2043 .enable_aspm = rtl_pci_enable_aspm,