1/******************************************************************************
2 *
3 * Copyright(c) 2009-2014  Realtek Corporation.
4 *
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.
8 *
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
12 * more details.
13 *
14 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
16 *
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
21 *
22 * Larry Finger <Larry.Finger@lwfinger.net>
23 *
24 *****************************************************************************/
25
26#include "../wifi.h"
27#include "../pci.h"
28#include "../base.h"
29#include "../stats.h"
30#include "reg.h"
31#include "def.h"
32#include "phy.h"
33#include "trx.h"
34#include "led.h"
35#include "dm.h"
36#include "fw.h"
37
38static u8 _rtl92ee_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
39{
40	__le16 fc = rtl_get_fc(skb);
41
42	if (unlikely(ieee80211_is_beacon(fc)))
43		return QSLT_BEACON;
44	if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
45		return QSLT_MGNT;
46
47	return skb->priority;
48}
49
50static void _rtl92ee_query_rxphystatus(struct ieee80211_hw *hw,
51				       struct rtl_stats *pstatus, u8 *pdesc,
52				       struct rx_fwinfo *p_drvinfo,
53				       bool bpacket_match_bssid,
54				       bool bpacket_toself,
55				       bool packet_beacon)
56{
57	struct rtl_priv *rtlpriv = rtl_priv(hw);
58	struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
59	char rx_pwr_all = 0, rx_pwr[4];
60	u8 rf_rx_num = 0, evm, pwdb_all;
61	u8 i, max_spatial_stream;
62	u32 rssi, total_rssi = 0;
63	bool is_cck = pstatus->is_cck;
64	u8 lan_idx, vga_idx;
65
66	/* Record it for next packet processing */
67	pstatus->packet_matchbssid = bpacket_match_bssid;
68	pstatus->packet_toself = bpacket_toself;
69	pstatus->packet_beacon = packet_beacon;
70	pstatus->rx_mimo_signalquality[0] = -1;
71	pstatus->rx_mimo_signalquality[1] = -1;
72
73	if (is_cck) {
74		u8 cck_highpwr;
75		u8 cck_agc_rpt;
76		/* CCK Driver info Structure is not the same as OFDM packet. */
77		cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a;
78
79		/* (1)Hardware does not provide RSSI for CCK
80		 * (2)PWDB, Average PWDB cacluated by
81		 * hardware (for rate adaptive)
82		 */
83		cck_highpwr = (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
84						 BIT(9));
85
86		lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
87		vga_idx = (cck_agc_rpt & 0x1f);
88		switch (lan_idx) {
89		case 7: /*VGA_idx = 27~2*/
90				if (vga_idx <= 27)
91					rx_pwr_all = -100 + 2 * (27 - vga_idx);
92				else
93					rx_pwr_all = -100;
94				break;
95		case 6: /*VGA_idx = 2~0*/
96				rx_pwr_all = -48 + 2 * (2 - vga_idx);
97				break;
98		case 5: /*VGA_idx = 7~5*/
99				rx_pwr_all = -42 + 2 * (7 - vga_idx);
100				break;
101		case 4: /*VGA_idx = 7~4*/
102				rx_pwr_all = -36 + 2 * (7 - vga_idx);
103				break;
104		case 3: /*VGA_idx = 7~0*/
105				rx_pwr_all = -24 + 2 * (7 - vga_idx);
106				break;
107		case 2: /*VGA_idx = 5~0*/
108				if (cck_highpwr)
109					rx_pwr_all = -12 + 2 * (5 - vga_idx);
110				else
111					rx_pwr_all = -6 + 2 * (5 - vga_idx);
112				break;
113		case 1:
114				rx_pwr_all = 8 - 2 * vga_idx;
115				break;
116		case 0:
117				rx_pwr_all = 14 - 2 * vga_idx;
118				break;
119		default:
120				break;
121		}
122		rx_pwr_all += 16;
123		pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
124
125		if (!cck_highpwr) {
126			if (pwdb_all >= 80)
127				pwdb_all = ((pwdb_all - 80) << 1) +
128					   ((pwdb_all - 80) >> 1) + 80;
129			else if ((pwdb_all <= 78) && (pwdb_all >= 20))
130				pwdb_all += 3;
131			if (pwdb_all > 100)
132				pwdb_all = 100;
133		}
134
135		pstatus->rx_pwdb_all = pwdb_all;
136		pstatus->bt_rx_rssi_percentage = pwdb_all;
137		pstatus->recvsignalpower = rx_pwr_all;
138
139		/* (3) Get Signal Quality (EVM) */
140		if (bpacket_match_bssid) {
141			u8 sq, sq_rpt;
142
143			if (pstatus->rx_pwdb_all > 40) {
144				sq = 100;
145			} else {
146				sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all;
147				if (sq_rpt > 64)
148					sq = 0;
149				else if (sq_rpt < 20)
150					sq = 100;
151				else
152					sq = ((64 - sq_rpt) * 100) / 44;
153			}
154
155			pstatus->signalquality = sq;
156			pstatus->rx_mimo_signalquality[0] = sq;
157			pstatus->rx_mimo_signalquality[1] = -1;
158		}
159	} else {
160		/* (1)Get RSSI for HT rate */
161		for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
162			/* we will judge RF RX path now. */
163			if (rtlpriv->dm.rfpath_rxenable[i])
164				rf_rx_num++;
165
166			rx_pwr[i] = ((p_phystrpt->path_agc[i].gain & 0x3f) * 2)
167				    - 110;
168
169			pstatus->rx_pwr[i] = rx_pwr[i];
170			/* Translate DBM to percentage. */
171			rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
172			total_rssi += rssi;
173
174			pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
175		}
176
177		/* (2)PWDB, Average PWDB cacluated by
178		 * hardware (for rate adaptive)
179		 */
180		rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1)
181			      & 0x7f) - 110;
182
183		pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
184		pstatus->rx_pwdb_all = pwdb_all;
185		pstatus->bt_rx_rssi_percentage = pwdb_all;
186		pstatus->rxpower = rx_pwr_all;
187		pstatus->recvsignalpower = rx_pwr_all;
188
189		/* (3)EVM of HT rate */
190		if (pstatus->rate >= DESC_RATEMCS8 &&
191		    pstatus->rate <= DESC_RATEMCS15)
192			max_spatial_stream = 2;
193		else
194			max_spatial_stream = 1;
195
196		for (i = 0; i < max_spatial_stream; i++) {
197			evm = rtl_evm_db_to_percentage(
198						p_phystrpt->stream_rxevm[i]);
199
200			if (bpacket_match_bssid) {
201				/* Fill value in RFD, Get the first
202				 * spatial stream only
203				 */
204				if (i == 0)
205					pstatus->signalquality = (u8)(evm &
206								       0xff);
207				pstatus->rx_mimo_signalquality[i] = (u8)(evm &
208									  0xff);
209			}
210		}
211
212		if (bpacket_match_bssid) {
213			for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
214				rtl_priv(hw)->dm.cfo_tail[i] =
215					(int)p_phystrpt->path_cfotail[i];
216
217			if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
218				rtl_priv(hw)->dm.packet_count = 0;
219			else
220				rtl_priv(hw)->dm.packet_count++;
221		}
222	}
223
224	/* UI BSS List signal strength(in percentage),
225	 * make it good looking, from 0~100.
226	 */
227	if (is_cck)
228		pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
229								     pwdb_all));
230	else if (rf_rx_num != 0)
231		pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
232						      total_rssi /= rf_rx_num));
233}
234
235static void _rtl92ee_translate_rx_signal_stuff(struct ieee80211_hw *hw,
236					       struct sk_buff *skb,
237					       struct rtl_stats *pstatus,
238					       u8 *pdesc,
239					       struct rx_fwinfo *p_drvinfo)
240{
241	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
242	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
243	struct ieee80211_hdr *hdr;
244	u8 *tmp_buf;
245	u8 *praddr;
246	u8 *psaddr;
247	__le16 fc;
248	bool packet_matchbssid, packet_toself, packet_beacon;
249
250	tmp_buf = skb->data + pstatus->rx_drvinfo_size +
251		  pstatus->rx_bufshift + 24;
252
253	hdr = (struct ieee80211_hdr *)tmp_buf;
254	fc = hdr->frame_control;
255	praddr = hdr->addr1;
256	psaddr = ieee80211_get_SA(hdr);
257	ether_addr_copy(pstatus->psaddr, psaddr);
258
259	packet_matchbssid = (!ieee80211_is_ctl(fc) &&
260			       (ether_addr_equal(mac->bssid,
261						ieee80211_has_tods(fc) ?
262						hdr->addr1 :
263						ieee80211_has_fromds(fc) ?
264						hdr->addr2 : hdr->addr3)) &&
265				(!pstatus->hwerror) && (!pstatus->crc) &&
266				(!pstatus->icv));
267
268	packet_toself = packet_matchbssid &&
269			 (ether_addr_equal(praddr, rtlefuse->dev_addr));
270
271	if (ieee80211_is_beacon(fc))
272		packet_beacon = true;
273	else
274		packet_beacon = false;
275
276	if (packet_beacon && packet_matchbssid)
277		rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
278
279	if (packet_matchbssid && ieee80211_is_data_qos(hdr->frame_control) &&
280	    !is_multicast_ether_addr(ieee80211_get_DA(hdr))) {
281		struct ieee80211_qos_hdr *hdr_qos =
282					    (struct ieee80211_qos_hdr *)tmp_buf;
283		u16 tid = le16_to_cpu(hdr_qos->qos_ctrl) & 0xf;
284
285		if (tid != 0 && tid != 3)
286			rtl_priv(hw)->dm.dbginfo.num_non_be_pkt++;
287	}
288
289	_rtl92ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
290				   packet_matchbssid, packet_toself,
291				   packet_beacon);
292	rtl_process_phyinfo(hw, tmp_buf, pstatus);
293}
294
295static void _rtl92ee_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
296				      u8 *virtualaddress)
297{
298	u32 dwtmp = 0;
299
300	memset(virtualaddress, 0, 8);
301
302	SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
303	if (ptcb_desc->empkt_num == 1) {
304		dwtmp = ptcb_desc->empkt_len[0];
305	} else {
306		dwtmp = ptcb_desc->empkt_len[0];
307		dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
308		dwtmp += ptcb_desc->empkt_len[1];
309	}
310	SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
311
312	if (ptcb_desc->empkt_num <= 3) {
313		dwtmp = ptcb_desc->empkt_len[2];
314	} else {
315		dwtmp = ptcb_desc->empkt_len[2];
316		dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
317		dwtmp += ptcb_desc->empkt_len[3];
318	}
319	SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
320	if (ptcb_desc->empkt_num <= 5) {
321		dwtmp = ptcb_desc->empkt_len[4];
322	} else {
323		dwtmp = ptcb_desc->empkt_len[4];
324		dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
325		dwtmp += ptcb_desc->empkt_len[5];
326	}
327	SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
328	SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
329	if (ptcb_desc->empkt_num <= 7) {
330		dwtmp = ptcb_desc->empkt_len[6];
331	} else {
332		dwtmp = ptcb_desc->empkt_len[6];
333		dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
334		dwtmp += ptcb_desc->empkt_len[7];
335	}
336	SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
337	if (ptcb_desc->empkt_num <= 9) {
338		dwtmp = ptcb_desc->empkt_len[8];
339	} else {
340		dwtmp = ptcb_desc->empkt_len[8];
341		dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
342		dwtmp += ptcb_desc->empkt_len[9];
343	}
344	SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
345}
346
347bool rtl92ee_rx_query_desc(struct ieee80211_hw *hw,
348			   struct rtl_stats *status,
349			   struct ieee80211_rx_status *rx_status,
350			   u8 *pdesc, struct sk_buff *skb)
351{
352	struct rtl_priv *rtlpriv = rtl_priv(hw);
353	struct rx_fwinfo *p_drvinfo;
354	struct ieee80211_hdr *hdr;
355	u32 phystatus = GET_RX_DESC_PHYST(pdesc);
356
357	if (GET_RX_STATUS_DESC_RPT_SEL(pdesc) == 0)
358		status->packet_report_type = NORMAL_RX;
359	else
360		status->packet_report_type = C2H_PACKET;
361	status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
362	status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
363				  RX_DRV_INFO_SIZE_UNIT;
364	status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
365	status->icv = (u16)GET_RX_DESC_ICV(pdesc);
366	status->crc = (u16)GET_RX_DESC_CRC32(pdesc);
367	status->hwerror = (status->crc | status->icv);
368	status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
369	status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
370	status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
371		status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
372	status->is_cck = RTL92EE_RX_HAL_IS_CCK_RATE(status->rate);
373
374	status->macid = GET_RX_DESC_MACID(pdesc);
375	if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
376		status->wake_match = BIT(2);
377	else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
378		status->wake_match = BIT(1);
379	else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
380		status->wake_match = BIT(0);
381	else
382		status->wake_match = 0;
383	if (status->wake_match)
384		RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
385			 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
386			 status->wake_match);
387	rx_status->freq = hw->conf.chandef.chan->center_freq;
388	rx_status->band = hw->conf.chandef.chan->band;
389
390	hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
391				       status->rx_bufshift + 24);
392
393	if (status->crc)
394		rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
395
396	if (status->rx_is40Mhzpacket)
397		rx_status->flag |= RX_FLAG_40MHZ;
398
399	if (status->is_ht)
400		rx_status->flag |= RX_FLAG_HT;
401
402	rx_status->flag |= RX_FLAG_MACTIME_START;
403
404	/* hw will set status->decrypted true, if it finds the
405	 * frame is open data frame or mgmt frame.
406	 * So hw will not decryption robust managment frame
407	 * for IEEE80211w but still set status->decrypted
408	 * true, so here we should set it back to undecrypted
409	 * for IEEE80211w frame, and mac80211 sw will help
410	 * to decrypt it
411	 */
412	if (status->decrypted) {
413		if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
414		    (ieee80211_has_protected(hdr->frame_control)))
415			rx_status->flag |= RX_FLAG_DECRYPTED;
416		else
417			rx_status->flag &= ~RX_FLAG_DECRYPTED;
418	}
419
420	/* rate_idx: index of data rate into band's
421	 * supported rates or MCS index if HT rates
422	 * are use (RX_FLAG_HT)
423	 * Notice: this is diff with windows define
424	 */
425	rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
426						   false, status->rate);
427
428	rx_status->mactime = status->timestamp_low;
429	if (phystatus) {
430		p_drvinfo = (struct rx_fwinfo *)(skb->data +
431						 status->rx_bufshift + 24);
432
433		_rtl92ee_translate_rx_signal_stuff(hw, skb, status, pdesc,
434						   p_drvinfo);
435	}
436	rx_status->signal = status->recvsignalpower + 10;
437	if (status->packet_report_type == TX_REPORT2) {
438		status->macid_valid_entry[0] =
439			GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
440		status->macid_valid_entry[1] =
441			GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
442	}
443	return true;
444}
445
446/*in Windows, this == Rx_92EE_Interrupt*/
447void rtl92ee_rx_check_dma_ok(struct ieee80211_hw *hw, u8 *header_desc,
448			     u8 queue_index)
449{
450	u8 first_seg = 0;
451	u8 last_seg = 0;
452	u16 total_len = 0;
453	u16 read_cnt = 0;
454
455	if (header_desc == NULL)
456		return;
457
458	total_len = (u16)GET_RX_BUFFER_DESC_TOTAL_LENGTH(header_desc);
459
460	first_seg = (u8)GET_RX_BUFFER_DESC_FS(header_desc);
461
462	last_seg = (u8)GET_RX_BUFFER_DESC_LS(header_desc);
463
464	while (total_len == 0 && first_seg == 0 && last_seg == 0) {
465		read_cnt++;
466		total_len = (u16)GET_RX_BUFFER_DESC_TOTAL_LENGTH(header_desc);
467		first_seg = (u8)GET_RX_BUFFER_DESC_FS(header_desc);
468		last_seg = (u8)GET_RX_BUFFER_DESC_LS(header_desc);
469
470		if (read_cnt > 20)
471			break;
472	}
473}
474
475u16 rtl92ee_rx_desc_buff_remained_cnt(struct ieee80211_hw *hw, u8 queue_index)
476{
477	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
478	struct rtl_priv *rtlpriv = rtl_priv(hw);
479	u16 read_point = 0, write_point = 0, remind_cnt = 0;
480	u32 tmp_4byte = 0;
481	static u16 last_read_point;
482	static bool start_rx;
483
484	tmp_4byte = rtl_read_dword(rtlpriv, REG_RXQ_TXBD_IDX);
485	read_point = (u16)((tmp_4byte>>16) & 0x7ff);
486	write_point = (u16)(tmp_4byte & 0x7ff);
487
488	if (write_point != rtlpci->rx_ring[queue_index].next_rx_rp) {
489		RT_TRACE(rtlpriv, COMP_RXDESC, DBG_DMESG,
490			 "!!!write point is 0x%x, reg 0x3B4 value is 0x%x\n",
491			  write_point, tmp_4byte);
492		tmp_4byte = rtl_read_dword(rtlpriv, REG_RXQ_TXBD_IDX);
493		read_point = (u16)((tmp_4byte>>16) & 0x7ff);
494		write_point = (u16)(tmp_4byte & 0x7ff);
495	}
496
497	if (read_point > 0)
498		start_rx = true;
499	if (!start_rx)
500		return 0;
501
502	remind_cnt = calc_fifo_space(read_point, write_point);
503
504	if (remind_cnt == 0)
505		return 0;
506
507	rtlpci->rx_ring[queue_index].next_rx_rp = write_point;
508
509	last_read_point = read_point;
510	return remind_cnt;
511}
512
513static u16 get_desc_addr_fr_q_idx(u16 queue_index)
514{
515	u16 desc_address = REG_BEQ_TXBD_IDX;
516
517	switch (queue_index) {
518	case BK_QUEUE:
519		desc_address = REG_BKQ_TXBD_IDX;
520		break;
521	case BE_QUEUE:
522		desc_address = REG_BEQ_TXBD_IDX;
523		break;
524	case VI_QUEUE:
525		desc_address = REG_VIQ_TXBD_IDX;
526		break;
527	case VO_QUEUE:
528		desc_address = REG_VOQ_TXBD_IDX;
529		break;
530	case BEACON_QUEUE:
531		desc_address = REG_BEQ_TXBD_IDX;
532		break;
533	case TXCMD_QUEUE:
534		desc_address = REG_BEQ_TXBD_IDX;
535		break;
536	case MGNT_QUEUE:
537		desc_address = REG_MGQ_TXBD_IDX;
538		break;
539	case HIGH_QUEUE:
540		desc_address = REG_HI0Q_TXBD_IDX;
541		break;
542	case HCCA_QUEUE:
543		desc_address = REG_BEQ_TXBD_IDX;
544		break;
545	default:
546		break;
547	}
548	return desc_address;
549}
550
551u16 rtl92ee_get_available_desc(struct ieee80211_hw *hw, u8 q_idx)
552{
553	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
554	struct rtl_priv *rtlpriv = rtl_priv(hw);
555	u16 point_diff = 0;
556	u16 current_tx_read_point = 0, current_tx_write_point = 0;
557	u32 tmp_4byte;
558
559	tmp_4byte = rtl_read_dword(rtlpriv,
560				   get_desc_addr_fr_q_idx(q_idx));
561	current_tx_read_point = (u16)((tmp_4byte >> 16) & 0x0fff);
562	current_tx_write_point = (u16)((tmp_4byte) & 0x0fff);
563
564	point_diff = calc_fifo_space(current_tx_read_point,
565				     current_tx_write_point);
566
567	rtlpci->tx_ring[q_idx].avl_desc = point_diff;
568	return point_diff;
569}
570
571void rtl92ee_pre_fill_tx_bd_desc(struct ieee80211_hw *hw,
572				 u8 *tx_bd_desc, u8 *desc, u8 queue_index,
573				 struct sk_buff *skb, dma_addr_t addr)
574{
575	struct rtl_priv *rtlpriv = rtl_priv(hw);
576	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
577	u32 pkt_len = skb->len;
578	u16 desc_size = 40; /*tx desc size*/
579	u32 psblen = 0;
580	u16 tx_page_size = 0;
581	u32 total_packet_size = 0;
582	u16 current_bd_desc;
583	u8 i = 0;
584	u16 real_desc_size = 0x28;
585	u16	append_early_mode_size = 0;
586#if (RTL8192EE_SEG_NUM == 0)
587	u8 segmentnum = 2;
588#elif (RTL8192EE_SEG_NUM == 1)
589	u8 segmentnum = 4;
590#elif (RTL8192EE_SEG_NUM == 2)
591	u8 segmentnum = 8;
592#endif
593
594	tx_page_size = 2;
595	current_bd_desc = rtlpci->tx_ring[queue_index].cur_tx_wp;
596
597	total_packet_size = desc_size+pkt_len;
598
599	if (rtlpriv->rtlhal.earlymode_enable)	{
600		if (queue_index < BEACON_QUEUE) {
601			append_early_mode_size = 8;
602			total_packet_size += append_early_mode_size;
603		}
604	}
605
606	if (tx_page_size > 0) {
607		psblen = (pkt_len + real_desc_size + append_early_mode_size) /
608			 (tx_page_size * 128);
609
610		if (psblen * (tx_page_size * 128) < total_packet_size)
611			psblen += 1;
612	}
613
614	/* Reset */
615	SET_TX_BUFF_DESC_LEN_0(tx_bd_desc, 0);
616	SET_TX_BUFF_DESC_PSB(tx_bd_desc, 0);
617	SET_TX_BUFF_DESC_OWN(tx_bd_desc, 0);
618
619	for (i = 1; i < segmentnum; i++) {
620		SET_TXBUFFER_DESC_LEN_WITH_OFFSET(tx_bd_desc, i, 0);
621		SET_TXBUFFER_DESC_AMSDU_WITH_OFFSET(tx_bd_desc, i, 0);
622		SET_TXBUFFER_DESC_ADD_LOW_WITH_OFFSET(tx_bd_desc, i, 0);
623#if (DMA_IS_64BIT == 1)
624		SET_TXBUFFER_DESC_ADD_HIGT_WITH_OFFSET(tx_bd_desc, i, 0);
625#endif
626	}
627	SET_TX_BUFF_DESC_LEN_1(tx_bd_desc, 0);
628	SET_TX_BUFF_DESC_AMSDU_1(tx_bd_desc, 0);
629
630	SET_TX_BUFF_DESC_LEN_2(tx_bd_desc, 0);
631	SET_TX_BUFF_DESC_AMSDU_2(tx_bd_desc, 0);
632	SET_TX_BUFF_DESC_LEN_3(tx_bd_desc, 0);
633	SET_TX_BUFF_DESC_AMSDU_3(tx_bd_desc, 0);
634	/* Clear all status */
635	CLEAR_PCI_TX_DESC_CONTENT(desc, TX_DESC_SIZE);
636
637	if (rtlpriv->rtlhal.earlymode_enable) {
638		if (queue_index < BEACON_QUEUE) {
639			/* This if needs braces */
640			SET_TX_BUFF_DESC_LEN_0(tx_bd_desc, desc_size + 8);
641		} else {
642			SET_TX_BUFF_DESC_LEN_0(tx_bd_desc, desc_size);
643		}
644	} else {
645		SET_TX_BUFF_DESC_LEN_0(tx_bd_desc, desc_size);
646	}
647	SET_TX_BUFF_DESC_PSB(tx_bd_desc, psblen);
648	SET_TX_BUFF_DESC_ADDR_LOW_0(tx_bd_desc,
649				    rtlpci->tx_ring[queue_index].dma +
650				    (current_bd_desc * TX_DESC_SIZE));
651
652	SET_TXBUFFER_DESC_LEN_WITH_OFFSET(tx_bd_desc, 1, pkt_len);
653	/* don't using extendsion mode. */
654	SET_TXBUFFER_DESC_AMSDU_WITH_OFFSET(tx_bd_desc, 1, 0);
655	SET_TXBUFFER_DESC_ADD_LOW_WITH_OFFSET(tx_bd_desc, 1, addr);
656
657	SET_TX_DESC_PKT_SIZE(desc, (u16)(pkt_len));
658	SET_TX_DESC_TX_BUFFER_SIZE(desc, (u16)(pkt_len));
659}
660
661void rtl92ee_tx_fill_desc(struct ieee80211_hw *hw,
662			  struct ieee80211_hdr *hdr, u8 *pdesc_tx,
663			  u8 *pbd_desc_tx,
664			  struct ieee80211_tx_info *info,
665			  struct ieee80211_sta *sta,
666			  struct sk_buff *skb,
667			  u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
668{
669	struct rtl_priv *rtlpriv = rtl_priv(hw);
670	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
671	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
672	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
673	u8 *pdesc = (u8 *)pdesc_tx;
674	u16 seq_number;
675	__le16 fc = hdr->frame_control;
676	unsigned int buf_len = 0;
677	u8 fw_qsel = _rtl92ee_map_hwqueue_to_fwqueue(skb, hw_queue);
678	bool firstseg = ((hdr->seq_ctrl &
679			    cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
680	bool lastseg = ((hdr->frame_control &
681			   cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
682	dma_addr_t mapping;
683	u8 bw_40 = 0;
684	u8 short_gi = 0;
685
686	if (mac->opmode == NL80211_IFTYPE_STATION) {
687		bw_40 = mac->bw_40;
688	} else if (mac->opmode == NL80211_IFTYPE_AP ||
689		   mac->opmode == NL80211_IFTYPE_ADHOC) {
690		if (sta)
691			bw_40 = sta->ht_cap.cap &
692				IEEE80211_HT_CAP_SUP_WIDTH_20_40;
693	}
694	seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
695	rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
696	/* reserve 8 byte for AMPDU early mode */
697	if (rtlhal->earlymode_enable) {
698		skb_push(skb, EM_HDR_LEN);
699		memset(skb->data, 0, EM_HDR_LEN);
700	}
701	buf_len = skb->len;
702	mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
703				 PCI_DMA_TODEVICE);
704	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
705		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
706			 "DMA mapping error");
707		return;
708	}
709
710	if (pbd_desc_tx != NULL)
711		rtl92ee_pre_fill_tx_bd_desc(hw, pbd_desc_tx, pdesc, hw_queue,
712					    skb, mapping);
713
714	if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
715		firstseg = true;
716		lastseg = true;
717	}
718	if (firstseg) {
719		if (rtlhal->earlymode_enable) {
720			SET_TX_DESC_PKT_OFFSET(pdesc, 1);
721			SET_TX_DESC_OFFSET(pdesc,
722					   USB_HWDESC_HEADER_LEN + EM_HDR_LEN);
723			if (ptcb_desc->empkt_num) {
724				RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
725					 "Insert 8 byte.pTcb->EMPktNum:%d\n",
726					  ptcb_desc->empkt_num);
727				_rtl92ee_insert_emcontent(ptcb_desc,
728							  (u8 *)(skb->data));
729			}
730		} else {
731			SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
732		}
733
734		SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
735
736		if (ieee80211_is_mgmt(fc)) {
737			ptcb_desc->use_driver_rate = true;
738		} else {
739			if (rtlpriv->ra.is_special_data) {
740				ptcb_desc->use_driver_rate = true;
741				SET_TX_DESC_TX_RATE(pdesc, DESC_RATE11M);
742			} else {
743				ptcb_desc->use_driver_rate = false;
744			}
745		}
746
747		if (ptcb_desc->hw_rate > DESC_RATEMCS0)
748			short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
749		else
750			short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
751
752		if (info->flags & IEEE80211_TX_CTL_AMPDU) {
753			SET_TX_DESC_AGG_ENABLE(pdesc, 1);
754			SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
755		}
756		SET_TX_DESC_SEQ(pdesc, seq_number);
757		SET_TX_DESC_RTS_ENABLE(pdesc,
758				       ((ptcb_desc->rts_enable &&
759					 !ptcb_desc->cts_enable) ? 1 : 0));
760		SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0);
761		SET_TX_DESC_CTS2SELF(pdesc,
762				     ((ptcb_desc->cts_enable) ? 1 : 0));
763
764		SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
765		SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
766		SET_TX_DESC_RTS_SHORT(pdesc,
767				((ptcb_desc->rts_rate <= DESC_RATE54M) ?
768				 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
769				 (ptcb_desc->rts_use_shortgi ? 1 : 0)));
770
771		if (ptcb_desc->tx_enable_sw_calc_duration)
772			SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
773
774		if (bw_40) {
775			if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
776				SET_TX_DESC_DATA_BW(pdesc, 1);
777				SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
778			} else {
779				SET_TX_DESC_DATA_BW(pdesc, 0);
780				SET_TX_DESC_TX_SUB_CARRIER(pdesc,
781							   mac->cur_40_prime_sc);
782			}
783		} else {
784			SET_TX_DESC_DATA_BW(pdesc, 0);
785			SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
786		}
787
788		SET_TX_DESC_LINIP(pdesc, 0);
789		if (sta) {
790			u8 ampdu_density = sta->ht_cap.ampdu_density;
791
792			SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
793		}
794		if (info->control.hw_key) {
795			struct ieee80211_key_conf *key = info->control.hw_key;
796
797			switch (key->cipher) {
798			case WLAN_CIPHER_SUITE_WEP40:
799			case WLAN_CIPHER_SUITE_WEP104:
800			case WLAN_CIPHER_SUITE_TKIP:
801				SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
802				break;
803			case WLAN_CIPHER_SUITE_CCMP:
804				SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
805				break;
806			default:
807				SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
808				break;
809			}
810		}
811
812		SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
813		SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
814		SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
815		SET_TX_DESC_DISABLE_FB(pdesc,
816				       ptcb_desc->disable_ratefallback ? 1 : 0);
817		SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
818
819		/*SET_TX_DESC_PWR_STATUS(pdesc, pwr_status);*/
820		/* Set TxRate and RTSRate in TxDesc  */
821		/* This prevent Tx initial rate of new-coming packets */
822		/* from being overwritten by retried  packet rate.*/
823		if (!ptcb_desc->use_driver_rate) {
824			/*SET_TX_DESC_RTS_RATE(pdesc, 0x08); */
825			/* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
826		}
827		if (ieee80211_is_data_qos(fc)) {
828			if (mac->rdg_en) {
829				RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
830					 "Enable RDG function.\n");
831				SET_TX_DESC_RDG_ENABLE(pdesc, 1);
832				SET_TX_DESC_HTC(pdesc, 1);
833			}
834		}
835	}
836
837	SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
838	SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
839	SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
840	if (rtlpriv->dm.useramask) {
841		SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
842		SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
843	} else {
844		SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
845		SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
846	}
847
848	SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
849	if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
850	    is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
851		SET_TX_DESC_BMC(pdesc, 1);
852	}
853	RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
854}
855
856void rtl92ee_tx_fill_cmddesc(struct ieee80211_hw *hw,
857			     u8 *pdesc, bool firstseg,
858			     bool lastseg, struct sk_buff *skb)
859{
860	struct rtl_priv *rtlpriv = rtl_priv(hw);
861	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
862	u8 fw_queue = QSLT_BEACON;
863	dma_addr_t mapping = pci_map_single(rtlpci->pdev,
864					    skb->data, skb->len,
865					    PCI_DMA_TODEVICE);
866	u8 txdesc_len = 40;
867
868	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
869		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
870			 "DMA mapping error");
871		return;
872	}
873	CLEAR_PCI_TX_DESC_CONTENT(pdesc, txdesc_len);
874
875	if (firstseg)
876		SET_TX_DESC_OFFSET(pdesc, txdesc_len);
877
878	SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M);
879
880	SET_TX_DESC_SEQ(pdesc, 0);
881
882	SET_TX_DESC_LINIP(pdesc, 0);
883
884	SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
885
886	SET_TX_DESC_FIRST_SEG(pdesc, 1);
887	SET_TX_DESC_LAST_SEG(pdesc, 1);
888
889	SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
890
891	SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
892
893	SET_TX_DESC_RATE_ID(pdesc, 7);
894	SET_TX_DESC_MACID(pdesc, 0);
895
896	SET_TX_DESC_OWN(pdesc, 1);
897
898	SET_TX_DESC_PKT_SIZE((u8 *)pdesc, (u16)(skb->len));
899
900	SET_TX_DESC_FIRST_SEG(pdesc, 1);
901	SET_TX_DESC_LAST_SEG(pdesc, 1);
902
903	SET_TX_DESC_OFFSET(pdesc, 40);
904
905	SET_TX_DESC_USE_RATE(pdesc, 1);
906
907	RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
908		      "H2C Tx Cmd Content\n", pdesc, txdesc_len);
909}
910
911void rtl92ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
912		      u8 desc_name, u8 *val)
913{
914	struct rtl_priv *rtlpriv = rtl_priv(hw);
915	u16 cur_tx_rp = 0;
916	u16 cur_tx_wp = 0;
917	static u16 last_txw_point;
918	static bool over_run;
919	u32 tmp = 0;
920	u8 q_idx = *val;
921
922	if (istx) {
923		switch (desc_name) {
924		case HW_DESC_TX_NEXTDESC_ADDR:
925			SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val);
926			break;
927		case HW_DESC_OWN:{
928			struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
929			struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[q_idx];
930			u16 max_tx_desc = ring->entries;
931
932			if (q_idx == BEACON_QUEUE) {
933				ring->cur_tx_wp = 0;
934				ring->cur_tx_rp = 0;
935				SET_TX_BUFF_DESC_OWN(pdesc, 1);
936				return;
937			}
938
939			ring->cur_tx_wp = ((ring->cur_tx_wp + 1) % max_tx_desc);
940
941			if (over_run) {
942				ring->cur_tx_wp = 0;
943				over_run = false;
944			}
945			if (ring->avl_desc > 1) {
946				ring->avl_desc--;
947
948				rtl_write_word(rtlpriv,
949					       get_desc_addr_fr_q_idx(q_idx),
950					       ring->cur_tx_wp);
951
952				if (q_idx == 1)
953					last_txw_point = cur_tx_wp;
954			}
955
956			if (ring->avl_desc < (max_tx_desc - 15)) {
957				u16 point_diff = 0;
958
959				tmp =
960				  rtl_read_dword(rtlpriv,
961						 get_desc_addr_fr_q_idx(q_idx));
962				cur_tx_rp = (u16)((tmp >> 16) & 0x0fff);
963				cur_tx_wp = (u16)(tmp & 0x0fff);
964
965				ring->cur_tx_wp = cur_tx_wp;
966				ring->cur_tx_rp = cur_tx_rp;
967				point_diff = ((cur_tx_rp > cur_tx_wp) ?
968					      (cur_tx_rp - cur_tx_wp) :
969					      (TX_DESC_NUM_92E - 1 -
970					       cur_tx_wp + cur_tx_rp));
971
972				ring->avl_desc = point_diff;
973			}
974		}
975		break;
976		}
977	} else {
978		switch (desc_name) {
979		case HW_DESC_RX_PREPARE:
980			SET_RX_BUFFER_DESC_LS(pdesc, 0);
981			SET_RX_BUFFER_DESC_FS(pdesc, 0);
982			SET_RX_BUFFER_DESC_TOTAL_LENGTH(pdesc, 0);
983
984			SET_RX_BUFFER_DESC_DATA_LENGTH(pdesc,
985						       MAX_RECEIVE_BUFFER_SIZE +
986						       RX_DESC_SIZE);
987
988			SET_RX_BUFFER_PHYSICAL_LOW(pdesc, *(u32 *)val);
989			break;
990		case HW_DESC_RXERO:
991			SET_RX_DESC_EOR(pdesc, 1);
992			break;
993		default:
994			RT_ASSERT(false,
995				  "ERR rxdesc :%d not process\n", desc_name);
996			break;
997		}
998	}
999}
1000
1001u32 rtl92ee_get_desc(u8 *pdesc, bool istx, u8 desc_name)
1002{
1003	u32 ret = 0;
1004
1005	if (istx) {
1006		switch (desc_name) {
1007		case HW_DESC_OWN:
1008			ret = GET_TX_DESC_OWN(pdesc);
1009			break;
1010		case HW_DESC_TXBUFF_ADDR:
1011			ret = GET_TXBUFFER_DESC_ADDR_LOW(pdesc, 1);
1012			break;
1013		default:
1014			RT_ASSERT(false,
1015				  "ERR txdesc :%d not process\n", desc_name);
1016			break;
1017		}
1018	} else {
1019		switch (desc_name) {
1020		case HW_DESC_OWN:
1021			ret = GET_RX_DESC_OWN(pdesc);
1022			break;
1023		case HW_DESC_RXPKT_LEN:
1024			ret = GET_RX_DESC_PKT_LEN(pdesc);
1025			break;
1026		case HW_DESC_RXBUFF_ADDR:
1027			ret = GET_RX_DESC_BUFF_ADDR(pdesc);
1028			break;
1029		default:
1030			RT_ASSERT(false,
1031				  "ERR rxdesc :%d not process\n", desc_name);
1032			break;
1033		}
1034	}
1035	return ret;
1036}
1037
1038bool rtl92ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index)
1039{
1040	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1041	struct rtl_priv *rtlpriv = rtl_priv(hw);
1042	u16 read_point, write_point, available_desc_num;
1043	bool ret = false;
1044	static u8 stop_report_cnt;
1045	struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
1046
1047	{
1048		u16 point_diff = 0;
1049		u16 cur_tx_rp, cur_tx_wp;
1050		u32 tmpu32 = 0;
1051
1052		tmpu32 =
1053		  rtl_read_dword(rtlpriv,
1054				 get_desc_addr_fr_q_idx(hw_queue));
1055		cur_tx_rp = (u16)((tmpu32 >> 16) & 0x0fff);
1056		cur_tx_wp = (u16)(tmpu32 & 0x0fff);
1057
1058		ring->cur_tx_wp = cur_tx_wp;
1059		ring->cur_tx_rp = cur_tx_rp;
1060		point_diff = ((cur_tx_rp > cur_tx_wp) ?
1061			      (cur_tx_rp - cur_tx_wp) :
1062			      (TX_DESC_NUM_92E - cur_tx_wp + cur_tx_rp));
1063
1064		ring->avl_desc = point_diff;
1065	}
1066
1067	read_point = ring->cur_tx_rp;
1068	write_point = ring->cur_tx_wp;
1069	available_desc_num = ring->avl_desc;
1070
1071	if (write_point > read_point) {
1072		if (index < write_point && index >= read_point)
1073			ret = false;
1074		else
1075			ret = true;
1076	} else if (write_point < read_point) {
1077		if (index > write_point && index < read_point)
1078			ret = true;
1079		else
1080			ret = false;
1081	} else {
1082		if (index != read_point)
1083			ret = true;
1084	}
1085
1086	if (hw_queue == BEACON_QUEUE)
1087		ret = true;
1088
1089	if (rtlpriv->rtlhal.driver_is_goingto_unload ||
1090	    rtlpriv->psc.rfoff_reason > RF_CHANGE_BY_PS)
1091		ret = true;
1092
1093	if (hw_queue < BEACON_QUEUE) {
1094		if (!ret)
1095			stop_report_cnt++;
1096		else
1097			stop_report_cnt = 0;
1098	}
1099
1100	return ret;
1101}
1102
1103void rtl92ee_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
1104{
1105}
1106
1107u32 rtl92ee_rx_command_packet(struct ieee80211_hw *hw,
1108			      struct rtl_stats status,
1109			      struct sk_buff *skb)
1110{
1111	u32 result = 0;
1112	struct rtl_priv *rtlpriv = rtl_priv(hw);
1113
1114	switch (status.packet_report_type) {
1115	case NORMAL_RX:
1116		result = 0;
1117		break;
1118	case C2H_PACKET:
1119		rtl92ee_c2h_packet_handler(hw, skb->data, (u8)skb->len);
1120		result = 1;
1121		break;
1122	default:
1123		RT_TRACE(rtlpriv, COMP_RECV, DBG_TRACE,
1124			 "Unknown packet type %d\n", status.packet_report_type);
1125		break;
1126	}
1127
1128	return result;
1129}
1130