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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-btrfs-devel.git] / drivers / staging / rtl8192e / r8192E_cmdpkt.c
blob58d044ea55244dd09b0aa73df22be7cbcd663ed8
1 /******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3 *
4 * This program is distributed in the hope that it will be useful, but WITHOUT
5 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
6 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
7 * more details.
8 *
9 * You should have received a copy of the GNU General Public License along with
10 * this program; if not, write to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
12 *
13 * The full GNU General Public License is included in this distribution in the
14 * file called LICENSE.
15 *
16 * Contact Information:
17 * wlanfae <wlanfae@realtek.com>
18 ******************************************************************************/
19
20 #include "rtl_core.h"
21 #include "r8192E_hw.h"
22 #include "r8192E_cmdpkt.h"
23 /*---------------------------Define Local Constant---------------------------*/
24 /* Debug constant*/
25 #define CMPK_DEBOUNCE_CNT 1
26 #define CMPK_PRINT(Address)\
27 {\
28 unsigned char i;\
29 u32 temp[10];\
30 \
31 memcpy(temp, Address, 40);\
32 for (i = 0; i < 40; i += 4)\
33 printk(KERN_INFO "\r\n %08x", temp[i]);\
34 }
35
36 /*---------------------------Define functions---------------------------------*/
37 bool cmpk_message_handle_tx(
38 struct net_device *dev,
39 u8 *code_virtual_address,
40 u32 packettype,
41 u32 buffer_len)
42 {
43
44 bool rt_status = true;
45 struct r8192_priv *priv = rtllib_priv(dev);
46 u16 frag_threshold;
47 u16 frag_length = 0, frag_offset = 0;
48 struct rt_firmware *pfirmware = priv->pFirmware;
49 struct sk_buff *skb;
50 unsigned char *seg_ptr;
51 struct cb_desc *tcb_desc;
52 u8 bLastIniPkt;
53
54 struct tx_fwinfo_8190pci *pTxFwInfo = NULL;
55
56 RT_TRACE(COMP_CMDPKT, "%s(),buffer_len is %d\n", __func__, buffer_len);
57 firmware_init_param(dev);
58 frag_threshold = pfirmware->cmdpacket_frag_thresold;
59
60 do {
61 if ((buffer_len - frag_offset) > frag_threshold) {
62 frag_length = frag_threshold ;
63 bLastIniPkt = 0;
64
65 } else {
66 frag_length = (u16)(buffer_len - frag_offset);
67 bLastIniPkt = 1;
68 }
69
70 skb = dev_alloc_skb(frag_length +
71 priv->rtllib->tx_headroom + 4);
72
73 if (skb == NULL) {
74 rt_status = false;
75 goto Failed;
76 }
77
78 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
79 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
80 tcb_desc->queue_index = TXCMD_QUEUE;
81 tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_NORMAL;
82 tcb_desc->bLastIniPkt = bLastIniPkt;
83 tcb_desc->pkt_size = frag_length;
84
85 seg_ptr = skb_put(skb, priv->rtllib->tx_headroom);
86 pTxFwInfo = (struct tx_fwinfo_8190pci *)seg_ptr;
87 memset(pTxFwInfo, 0, sizeof(struct tx_fwinfo_8190pci));
88 memset(pTxFwInfo, 0x12, 8);
89
90 seg_ptr = skb_put(skb, frag_length);
91 memcpy(seg_ptr, code_virtual_address, (u32)frag_length);
92
93 priv->rtllib->softmac_hard_start_xmit(skb, dev);
94
95 code_virtual_address += frag_length;
96 frag_offset += frag_length;
97
98 } while (frag_offset < buffer_len);
99
100 write_nic_byte(dev, TPPoll, TPPoll_CQ);
101 Failed:
102 return rt_status;
103 } /* CMPK_Message_Handle_Tx */
104
105 static void
106 cmpk_count_txstatistic(
107 struct net_device *dev,
108 struct cmpk_txfb *pstx_fb)
109 {
110 struct r8192_priv *priv = rtllib_priv(dev);
111 #ifdef ENABLE_PS
112 enum rt_rf_power_state rtState;
113
114 pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
115 (pu1Byte)(&rtState));
116
117 if (rtState == eRfOff)
118 return;
119 #endif
120
121 if (pstx_fb->tok) {
122 priv->stats.txfeedbackok++;
123 priv->stats.txoktotal++;
124 priv->stats.txokbytestotal += pstx_fb->pkt_length;
125 priv->stats.txokinperiod++;
126
127 if (pstx_fb->pkt_type == PACKET_MULTICAST) {
128 priv->stats.txmulticast++;
129 priv->stats.txbytesmulticast += pstx_fb->pkt_length;
130 } else if (pstx_fb->pkt_type == PACKET_BROADCAST) {
131 priv->stats.txbroadcast++;
132 priv->stats.txbytesbroadcast += pstx_fb->pkt_length;
133 } else {
134 priv->stats.txunicast++;
135 priv->stats.txbytesunicast += pstx_fb->pkt_length;
136 }
137 } else {
138 priv->stats.txfeedbackfail++;
139 priv->stats.txerrtotal++;
140 priv->stats.txerrbytestotal += pstx_fb->pkt_length;
141
142 if (pstx_fb->pkt_type == PACKET_MULTICAST)
143 priv->stats.txerrmulticast++;
144 else if (pstx_fb->pkt_type == PACKET_BROADCAST)
145 priv->stats.txerrbroadcast++;
146 else
147 priv->stats.txerrunicast++;
148 }
149
150 priv->stats.txretrycount += pstx_fb->retry_cnt;
151 priv->stats.txfeedbackretry += pstx_fb->retry_cnt;
152
153 } /* cmpk_CountTxStatistic */
154
155
156
157 static void cmpk_handle_tx_feedback(struct net_device *dev, u8 *pmsg)
158 {
159 struct r8192_priv *priv = rtllib_priv(dev);
160 struct cmpk_txfb rx_tx_fb; /* */
161
162 priv->stats.txfeedback++;
163
164
165 memcpy((u8 *)&rx_tx_fb, pmsg, sizeof(struct cmpk_txfb));
166 cmpk_count_txstatistic(dev, &rx_tx_fb);
167
168 } /* cmpk_Handle_Tx_Feedback */
169
170 static void cmdpkt_beacontimerinterrupt_819xusb(struct net_device *dev)
171 {
172 struct r8192_priv *priv = rtllib_priv(dev);
173 u16 tx_rate;
174
175 if ((priv->rtllib->current_network.mode == IEEE_A) ||
176 (priv->rtllib->current_network.mode == IEEE_N_5G) ||
177 ((priv->rtllib->current_network.mode == IEEE_N_24G) &&
178 (!priv->rtllib->pHTInfo->bCurSuppCCK))) {
179 tx_rate = 60;
180 DMESG("send beacon frame tx rate is 6Mbpm\n");
181 } else {
182 tx_rate = 10;
183 DMESG("send beacon frame tx rate is 1Mbpm\n");
184 }
185
186 }
187
188 static void cmpk_handle_interrupt_status(struct net_device *dev, u8 *pmsg)
189 {
190 struct cmpk_intr_sta rx_intr_status; /* */
191 struct r8192_priv *priv = rtllib_priv(dev);
192
193 DMESG("---> cmpk_Handle_Interrupt_Status()\n");
194
195
196 rx_intr_status.length = pmsg[1];
197 if (rx_intr_status.length != (sizeof(struct cmpk_intr_sta) - 2)) {
198 DMESG("cmpk_Handle_Interrupt_Status: wrong length!\n");
199 return;
200 }
201
202
203 if (priv->rtllib->iw_mode == IW_MODE_ADHOC) {
204 rx_intr_status.interrupt_status = *((u32 *)(pmsg + 4));
205
206 DMESG("interrupt status = 0x%x\n",
207 rx_intr_status.interrupt_status);
208
209 if (rx_intr_status.interrupt_status & ISR_TxBcnOk) {
210 priv->rtllib->bibsscoordinator = true;
211 priv->stats.txbeaconokint++;
212 } else if (rx_intr_status.interrupt_status & ISR_TxBcnErr) {
213 priv->rtllib->bibsscoordinator = false;
214 priv->stats.txbeaconerr++;
215 }
216
217 if (rx_intr_status.interrupt_status & ISR_BcnTimerIntr)
218 cmdpkt_beacontimerinterrupt_819xusb(dev);
219 }
220
221 DMESG("<---- cmpk_handle_interrupt_status()\n");
222
223 } /* cmpk_handle_interrupt_status */
224
225
226 static void cmpk_handle_query_config_rx(struct net_device *dev, u8 *pmsg)
227 {
228 cmpk_query_cfg_t rx_query_cfg; /* */
229
230
231 rx_query_cfg.cfg_action = (pmsg[4] & 0x80000000)>>31;
232 rx_query_cfg.cfg_type = (pmsg[4] & 0x60) >> 5;
233 rx_query_cfg.cfg_size = (pmsg[4] & 0x18) >> 3;
234 rx_query_cfg.cfg_page = (pmsg[6] & 0x0F) >> 0;
235 rx_query_cfg.cfg_offset = pmsg[7];
236 rx_query_cfg.value = (pmsg[8] << 24) | (pmsg[9] << 16) |
237 (pmsg[10] << 8) | (pmsg[11] << 0);
238 rx_query_cfg.mask = (pmsg[12] << 24) | (pmsg[13] << 16) |
239 (pmsg[14] << 8) | (pmsg[15] << 0);
240
241 } /* cmpk_Handle_Query_Config_Rx */
242
243
244 static void cmpk_count_tx_status(struct net_device *dev,
245 struct cmpk_tx_status *pstx_status)
246 {
247 struct r8192_priv *priv = rtllib_priv(dev);
248
249 #ifdef ENABLE_PS
250
251 enum rt_rf_power_state rtstate;
252
253 pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
254 (pu1Byte)(&rtState));
255
256 if (rtState == eRfOff)
257 return;
258 #endif
259
260 priv->stats.txfeedbackok += pstx_status->txok;
261 priv->stats.txoktotal += pstx_status->txok;
262
263 priv->stats.txfeedbackfail += pstx_status->txfail;
264 priv->stats.txerrtotal += pstx_status->txfail;
265
266 priv->stats.txretrycount += pstx_status->txretry;
267 priv->stats.txfeedbackretry += pstx_status->txretry;
268
269
270 priv->stats.txmulticast += pstx_status->txmcok;
271 priv->stats.txbroadcast += pstx_status->txbcok;
272 priv->stats.txunicast += pstx_status->txucok;
273
274 priv->stats.txerrmulticast += pstx_status->txmcfail;
275 priv->stats.txerrbroadcast += pstx_status->txbcfail;
276 priv->stats.txerrunicast += pstx_status->txucfail;
277
278 priv->stats.txbytesmulticast += pstx_status->txmclength;
279 priv->stats.txbytesbroadcast += pstx_status->txbclength;
280 priv->stats.txbytesunicast += pstx_status->txuclength;
281
282 priv->stats.last_packet_rate = pstx_status->rate;
283 } /* cmpk_CountTxStatus */
284
285
286
287 static void cmpk_handle_tx_status(struct net_device *dev, u8 *pmsg)
288 {
289 struct cmpk_tx_status rx_tx_sts; /* */
290
291 memcpy((void *)&rx_tx_sts, (void *)pmsg, sizeof(struct cmpk_tx_status));
292 cmpk_count_tx_status(dev, &rx_tx_sts);
293 }
294
295 static void cmpk_handle_tx_rate_history(struct net_device *dev, u8 *pmsg)
296 {
297 struct cmpk_tx_rahis *ptxrate;
298 u8 i, j;
299 u16 length = sizeof(struct cmpk_tx_rahis);
300 u32 *ptemp;
301 struct r8192_priv *priv = rtllib_priv(dev);
302
303
304 #ifdef ENABLE_PS
305 pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
306 (pu1Byte)(&rtState));
307
308 if (rtState == eRfOff)
309 return;
310 #endif
311
312 ptemp = (u32 *)pmsg;
313
314 for (i = 0; i < (length / 4); i++) {
315 u16 temp1, temp2;
316
317 temp1 = ptemp[i] & 0x0000FFFF;
318 temp2 = ptemp[i] >> 16;
319 ptemp[i] = (temp1 << 16) | temp2;
320 }
321
322 ptxrate = (struct cmpk_tx_rahis *)pmsg;
323
324 if (ptxrate == NULL)
325 return;
326
327 for (i = 0; i < 16; i++) {
328 if (i < 4)
329 priv->stats.txrate.cck[i] += ptxrate->cck[i];
330
331 if (i < 8)
332 priv->stats.txrate.ofdm[i] += ptxrate->ofdm[i];
333
334 for (j = 0; j < 4; j++)
335 priv->stats.txrate.ht_mcs[j][i] +=
336 ptxrate->ht_mcs[j][i];
337 }
338
339 }
340
341
342 u32 cmpk_message_handle_rx(struct net_device *dev,
343 struct rtllib_rx_stats *pstats)
344 {
345 struct r8192_priv *priv = rtllib_priv(dev);
346 int total_length;
347 u8 cmd_length, exe_cnt = 0;
348 u8 element_id;
349 u8 *pcmd_buff;
350
351 RT_TRACE(COMP_CMDPKT, "---->cmpk_message_handle_rx()\n");
352
353 if (pstats == NULL) {
354 /* Print error message. */
355 /*RT_TRACE(COMP_SEND, DebugLevel,
356 ("\n\r[CMPK]-->Err queue id or pointer"));*/
357 return 0;
358 }
359
360 total_length = pstats->Length;
361
362 pcmd_buff = pstats->virtual_address;
363
364 element_id = pcmd_buff[0];
365
366 while (total_length > 0 || exe_cnt++ > 100) {
367 element_id = pcmd_buff[0];
368
369 switch (element_id) {
370 case RX_TX_FEEDBACK:
371 RT_TRACE(COMP_CMDPKT, "---->cmpk_message_handle_rx():"
372 "RX_TX_FEEDBACK\n");
373 cmpk_handle_tx_feedback(dev, pcmd_buff);
374 cmd_length = CMPK_RX_TX_FB_SIZE;
375 break;
376 case RX_INTERRUPT_STATUS:
377 RT_TRACE(COMP_CMDPKT, "---->cmpk_message_handle_rx():"
378 "RX_INTERRUPT_STATUS\n");
379 cmpk_handle_interrupt_status(dev, pcmd_buff);
380 cmd_length = sizeof(struct cmpk_intr_sta);
381 break;
382 case BOTH_QUERY_CONFIG:
383 RT_TRACE(COMP_CMDPKT, "---->cmpk_message_handle_rx():"
384 "BOTH_QUERY_CONFIG\n");
385 cmpk_handle_query_config_rx(dev, pcmd_buff);
386 cmd_length = CMPK_BOTH_QUERY_CONFIG_SIZE;
387 break;
388 case RX_TX_STATUS:
389 RT_TRACE(COMP_CMDPKT, "---->cmpk_message_handle_rx():"
390 "RX_TX_STATUS\n");
391 cmpk_handle_tx_status(dev, pcmd_buff);
392 cmd_length = CMPK_RX_TX_STS_SIZE;
393 break;
394 case RX_TX_PER_PKT_FEEDBACK:
395 RT_TRACE(COMP_CMDPKT, "---->cmpk_message_handle_rx():"
396 "RX_TX_PER_PKT_FEEDBACK\n");
397 cmd_length = CMPK_RX_TX_FB_SIZE;
398 break;
399 case RX_TX_RATE_HISTORY:
400 RT_TRACE(COMP_CMDPKT, "---->cmpk_message_handle_rx():"
401 "RX_TX_HISTORY\n");
402 cmpk_handle_tx_rate_history(dev, pcmd_buff);
403 cmd_length = CMPK_TX_RAHIS_SIZE;
404 break;
405 default:
406
407 RT_TRACE(COMP_CMDPKT, "---->cmpk_message_handle_rx():"
408 "unknow CMD Element\n");
409 return 1;
410 }
411
412 priv->stats.rxcmdpkt[element_id]++;
413
414 total_length -= cmd_length;
415 pcmd_buff += cmd_length;
416 }
417 return 1;
418 }
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