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
cmpk_message_handle_tx(struct net_device * dev,u8 * code_virtual_address,u32 packettype,u32 buffer_len)24 bool cmpk_message_handle_tx(
25 struct net_device *dev,
26 u8 *code_virtual_address,
27 u32 packettype,
28 u32 buffer_len)
29 {
30
31 bool rt_status = true;
32 struct r8192_priv *priv = rtllib_priv(dev);
33 u16 frag_threshold;
34 u16 frag_length = 0, frag_offset = 0;
35 struct rt_firmware *pfirmware = priv->pFirmware;
36 struct sk_buff *skb;
37 unsigned char *seg_ptr;
38 struct cb_desc *tcb_desc;
39 u8 bLastIniPkt;
40
41 struct tx_fwinfo_8190pci *pTxFwInfo = NULL;
42
43 RT_TRACE(COMP_CMDPKT, "%s(),buffer_len is %d\n", __func__, buffer_len);
44 firmware_init_param(dev);
45 frag_threshold = pfirmware->cmdpacket_frag_thresold;
46
47 do {
48 if ((buffer_len - frag_offset) > frag_threshold) {
49 frag_length = frag_threshold;
50 bLastIniPkt = 0;
51
52 } else {
53 frag_length = (u16)(buffer_len - frag_offset);
54 bLastIniPkt = 1;
55 }
56
57 skb = dev_alloc_skb(frag_length +
58 priv->rtllib->tx_headroom + 4);
59
60 if (skb == NULL) {
61 rt_status = false;
62 goto Failed;
63 }
64
65 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
66 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
67 tcb_desc->queue_index = TXCMD_QUEUE;
68 tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_NORMAL;
69 tcb_desc->bLastIniPkt = bLastIniPkt;
70 tcb_desc->pkt_size = frag_length;
71
72 seg_ptr = skb_put(skb, priv->rtllib->tx_headroom);
73 pTxFwInfo = (struct tx_fwinfo_8190pci *)seg_ptr;
74 memset(pTxFwInfo, 0, sizeof(struct tx_fwinfo_8190pci));
75 memset(pTxFwInfo, 0x12, 8);
76
77 seg_ptr = skb_put(skb, frag_length);
78 memcpy(seg_ptr, code_virtual_address, (u32)frag_length);
79
80 priv->rtllib->softmac_hard_start_xmit(skb, dev);
81
82 code_virtual_address += frag_length;
83 frag_offset += frag_length;
84
85 } while (frag_offset < buffer_len);
86
87 write_nic_byte(dev, TPPoll, TPPoll_CQ);
88 Failed:
89 return rt_status;
90 }
91
92 static void
cmpk_count_txstatistic(struct net_device * dev,struct cmpk_txfb * pstx_fb)93 cmpk_count_txstatistic(
94 struct net_device *dev,
95 struct cmpk_txfb *pstx_fb)
96 {
97 struct r8192_priv *priv = rtllib_priv(dev);
98 #ifdef ENABLE_PS
99 enum rt_rf_power_state rtState;
100
101 pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
102 (pu1Byte)(&rtState));
103
104 if (rtState == eRfOff)
105 return;
106 #endif
107
108 if (pstx_fb->tok) {
109 priv->stats.txfeedbackok++;
110 priv->stats.txoktotal++;
111 priv->stats.txokbytestotal += pstx_fb->pkt_length;
112 priv->stats.txokinperiod++;
113
114 if (pstx_fb->pkt_type == PACKET_MULTICAST) {
115 priv->stats.txmulticast++;
116 priv->stats.txbytesmulticast += pstx_fb->pkt_length;
117 } else if (pstx_fb->pkt_type == PACKET_BROADCAST) {
118 priv->stats.txbroadcast++;
119 priv->stats.txbytesbroadcast += pstx_fb->pkt_length;
120 } else {
121 priv->stats.txunicast++;
122 priv->stats.txbytesunicast += pstx_fb->pkt_length;
123 }
124 } else {
125 priv->stats.txfeedbackfail++;
126 priv->stats.txerrtotal++;
127 priv->stats.txerrbytestotal += pstx_fb->pkt_length;
128
129 if (pstx_fb->pkt_type == PACKET_MULTICAST)
130 priv->stats.txerrmulticast++;
131 else if (pstx_fb->pkt_type == PACKET_BROADCAST)
132 priv->stats.txerrbroadcast++;
133 else
134 priv->stats.txerrunicast++;
135 }
136
137 priv->stats.txretrycount += pstx_fb->retry_cnt;
138 priv->stats.txfeedbackretry += pstx_fb->retry_cnt;
139 }
140
cmpk_handle_tx_feedback(struct net_device * dev,u8 * pmsg)141 static void cmpk_handle_tx_feedback(struct net_device *dev, u8 *pmsg)
142 {
143 struct r8192_priv *priv = rtllib_priv(dev);
144 struct cmpk_txfb rx_tx_fb;
145
146 priv->stats.txfeedback++;
147
148
149 memcpy((u8 *)&rx_tx_fb, pmsg, sizeof(struct cmpk_txfb));
150 cmpk_count_txstatistic(dev, &rx_tx_fb);
151 }
152
cmdpkt_beacontimerinterrupt_819xusb(struct net_device * dev)153 static void cmdpkt_beacontimerinterrupt_819xusb(struct net_device *dev)
154 {
155 struct r8192_priv *priv = rtllib_priv(dev);
156
157 if ((priv->rtllib->current_network.mode == IEEE_A) ||
158 (priv->rtllib->current_network.mode == IEEE_N_5G) ||
159 ((priv->rtllib->current_network.mode == IEEE_N_24G) &&
160 (!priv->rtllib->pHTInfo->bCurSuppCCK)))
161 DMESG("send beacon frame tx rate is 6Mbpm\n");
162 else
163 DMESG("send beacon frame tx rate is 1Mbpm\n");
164 }
165
cmpk_handle_interrupt_status(struct net_device * dev,u8 * pmsg)166 static void cmpk_handle_interrupt_status(struct net_device *dev, u8 *pmsg)
167 {
168 struct cmpk_intr_sta rx_intr_status;
169 struct r8192_priv *priv = rtllib_priv(dev);
170
171 DMESG("---> cmpk_Handle_Interrupt_Status()\n");
172
173 rx_intr_status.length = pmsg[1];
174 if (rx_intr_status.length != (sizeof(struct cmpk_intr_sta) - 2)) {
175 DMESG("cmpk_Handle_Interrupt_Status: wrong length!\n");
176 return;
177 }
178
179 if (priv->rtllib->iw_mode == IW_MODE_ADHOC) {
180 rx_intr_status.interrupt_status = *((u32 *)(pmsg + 4));
181
182 DMESG("interrupt status = 0x%x\n",
183 rx_intr_status.interrupt_status);
184
185 if (rx_intr_status.interrupt_status & ISR_TxBcnOk) {
186 priv->rtllib->bibsscoordinator = true;
187 priv->stats.txbeaconokint++;
188 } else if (rx_intr_status.interrupt_status & ISR_TxBcnErr) {
189 priv->rtllib->bibsscoordinator = false;
190 priv->stats.txbeaconerr++;
191 }
192
193 if (rx_intr_status.interrupt_status & ISR_BcnTimerIntr)
194 cmdpkt_beacontimerinterrupt_819xusb(dev);
195 }
196
197 DMESG("<---- cmpk_handle_interrupt_status()\n");
198
199 }
200
cmpk_handle_query_config_rx(struct net_device * dev,u8 * pmsg)201 static void cmpk_handle_query_config_rx(struct net_device *dev, u8 *pmsg)
202 {
203 cmpk_query_cfg_t rx_query_cfg;
204
205
206 rx_query_cfg.cfg_action = (pmsg[4] & 0x80000000)>>31;
207 rx_query_cfg.cfg_type = (pmsg[4] & 0x60) >> 5;
208 rx_query_cfg.cfg_size = (pmsg[4] & 0x18) >> 3;
209 rx_query_cfg.cfg_page = (pmsg[6] & 0x0F) >> 0;
210 rx_query_cfg.cfg_offset = pmsg[7];
211 rx_query_cfg.value = (pmsg[8] << 24) | (pmsg[9] << 16) |
212 (pmsg[10] << 8) | (pmsg[11] << 0);
213 rx_query_cfg.mask = (pmsg[12] << 24) | (pmsg[13] << 16) |
214 (pmsg[14] << 8) | (pmsg[15] << 0);
215
216 }
217
cmpk_count_tx_status(struct net_device * dev,struct cmpk_tx_status * pstx_status)218 static void cmpk_count_tx_status(struct net_device *dev,
219 struct cmpk_tx_status *pstx_status)
220 {
221 struct r8192_priv *priv = rtllib_priv(dev);
222
223 #ifdef ENABLE_PS
224
225 enum rt_rf_power_state rtstate;
226
227 pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
228 (pu1Byte)(&rtState));
229
230 if (rtState == eRfOff)
231 return;
232 #endif
233
234 priv->stats.txfeedbackok += pstx_status->txok;
235 priv->stats.txoktotal += pstx_status->txok;
236
237 priv->stats.txfeedbackfail += pstx_status->txfail;
238 priv->stats.txerrtotal += pstx_status->txfail;
239
240 priv->stats.txretrycount += pstx_status->txretry;
241 priv->stats.txfeedbackretry += pstx_status->txretry;
242
243
244 priv->stats.txmulticast += pstx_status->txmcok;
245 priv->stats.txbroadcast += pstx_status->txbcok;
246 priv->stats.txunicast += pstx_status->txucok;
247
248 priv->stats.txerrmulticast += pstx_status->txmcfail;
249 priv->stats.txerrbroadcast += pstx_status->txbcfail;
250 priv->stats.txerrunicast += pstx_status->txucfail;
251
252 priv->stats.txbytesmulticast += pstx_status->txmclength;
253 priv->stats.txbytesbroadcast += pstx_status->txbclength;
254 priv->stats.txbytesunicast += pstx_status->txuclength;
255
256 priv->stats.last_packet_rate = pstx_status->rate;
257 }
258
cmpk_handle_tx_status(struct net_device * dev,u8 * pmsg)259 static void cmpk_handle_tx_status(struct net_device *dev, u8 *pmsg)
260 {
261 struct cmpk_tx_status rx_tx_sts;
262
263 memcpy((void *)&rx_tx_sts, (void *)pmsg, sizeof(struct cmpk_tx_status));
264 cmpk_count_tx_status(dev, &rx_tx_sts);
265 }
266
cmpk_handle_tx_rate_history(struct net_device * dev,u8 * pmsg)267 static void cmpk_handle_tx_rate_history(struct net_device *dev, u8 *pmsg)
268 {
269 struct cmpk_tx_rahis *ptxrate;
270 u8 i, j;
271 u16 length = sizeof(struct cmpk_tx_rahis);
272 u32 *ptemp;
273 struct r8192_priv *priv = rtllib_priv(dev);
274
275 #ifdef ENABLE_PS
276 pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
277 (pu1Byte)(&rtState));
278
279 if (rtState == eRfOff)
280 return;
281 #endif
282
283 ptemp = (u32 *)pmsg;
284
285 for (i = 0; i < (length / 4); i++) {
286 u16 temp1, temp2;
287
288 temp1 = ptemp[i] & 0x0000FFFF;
289 temp2 = ptemp[i] >> 16;
290 ptemp[i] = (temp1 << 16) | temp2;
291 }
292
293 ptxrate = (struct cmpk_tx_rahis *)pmsg;
294
295 if (ptxrate == NULL)
296 return;
297
298 for (i = 0; i < 16; i++) {
299 if (i < 4)
300 priv->stats.txrate.cck[i] += ptxrate->cck[i];
301
302 if (i < 8)
303 priv->stats.txrate.ofdm[i] += ptxrate->ofdm[i];
304
305 for (j = 0; j < 4; j++)
306 priv->stats.txrate.ht_mcs[j][i] +=
307 ptxrate->ht_mcs[j][i];
308 }
309 }
310
cmpk_message_handle_rx(struct net_device * dev,struct rtllib_rx_stats * pstats)311 u32 cmpk_message_handle_rx(struct net_device *dev,
312 struct rtllib_rx_stats *pstats)
313 {
314 int total_length;
315 u8 cmd_length, exe_cnt = 0;
316 u8 element_id;
317 u8 *pcmd_buff;
318
319 RT_TRACE(COMP_CMDPKT, "---->cmpk_message_handle_rx()\n");
320
321 if (pstats == NULL)
322 return 0;
323
324 total_length = pstats->Length;
325
326 pcmd_buff = pstats->virtual_address;
327
328 element_id = pcmd_buff[0];
329
330 while (total_length > 0 || exe_cnt++ > 100) {
331 element_id = pcmd_buff[0];
332
333 switch (element_id) {
334 case RX_TX_FEEDBACK:
335 RT_TRACE(COMP_CMDPKT,
336 "---->cmpk_message_handle_rx():RX_TX_FEEDBACK\n");
337 cmpk_handle_tx_feedback(dev, pcmd_buff);
338 cmd_length = CMPK_RX_TX_FB_SIZE;
339 break;
340 case RX_INTERRUPT_STATUS:
341 RT_TRACE(COMP_CMDPKT,
342 "---->cmpk_message_handle_rx():RX_INTERRUPT_STATUS\n");
343 cmpk_handle_interrupt_status(dev, pcmd_buff);
344 cmd_length = sizeof(struct cmpk_intr_sta);
345 break;
346 case BOTH_QUERY_CONFIG:
347 RT_TRACE(COMP_CMDPKT,
348 "---->cmpk_message_handle_rx():BOTH_QUERY_CONFIG\n");
349 cmpk_handle_query_config_rx(dev, pcmd_buff);
350 cmd_length = CMPK_BOTH_QUERY_CONFIG_SIZE;
351 break;
352 case RX_TX_STATUS:
353 RT_TRACE(COMP_CMDPKT,
354 "---->cmpk_message_handle_rx():RX_TX_STATUS\n");
355 cmpk_handle_tx_status(dev, pcmd_buff);
356 cmd_length = CMPK_RX_TX_STS_SIZE;
357 break;
358 case RX_TX_PER_PKT_FEEDBACK:
359 RT_TRACE(COMP_CMDPKT,
360 "---->cmpk_message_handle_rx():RX_TX_PER_PKT_FEEDBACK\n");
361 cmd_length = CMPK_RX_TX_FB_SIZE;
362 break;
363 case RX_TX_RATE_HISTORY:
364 RT_TRACE(COMP_CMDPKT,
365 "---->cmpk_message_handle_rx():RX_TX_HISTORY\n");
366 cmpk_handle_tx_rate_history(dev, pcmd_buff);
367 cmd_length = CMPK_TX_RAHIS_SIZE;
368 break;
369 default:
370
371 RT_TRACE(COMP_CMDPKT,
372 "---->cmpk_message_handle_rx():unknown CMD Element\n");
373 return 1;
374 }
375
376 total_length -= cmd_length;
377 pcmd_buff += cmd_length;
378 }
379 return 1;
380 }
381