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a6f81aaf FS |
1 | /****************************************************************************** |
2 | * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. | |
3 | * Linux device driver for RTL8192U | |
8dba599d | 4 | * |
a6f81aaf FS |
5 | * This program is distributed in the hope that it will be useful, but WITHOUT |
6 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
7 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
8 | * more details. | |
8dba599d | 9 | * |
a6f81aaf FS |
10 | * You should have received a copy of the GNU General Public License along with |
11 | * this program; if not, write to the Free Software Foundation, Inc., | |
12 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
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 | ******************************************************************************/ | |
5f53d8ca JC |
20 | #include "r8192U.h" |
21 | #include "r819xU_cmdpkt.h" | |
8dba599d FS |
22 | |
23 | bool SendTxCommandPacket(struct net_device *dev, void *pData, u32 DataLen) | |
5f53d8ca JC |
24 | { |
25 | bool rtStatus = true; | |
26 | struct r8192_priv *priv = ieee80211_priv(dev); | |
27 | struct sk_buff *skb; | |
28 | cb_desc *tcb_desc; | |
29 | unsigned char *ptr_buf; | |
5f53d8ca | 30 | |
8dba599d FS |
31 | /* |
32 | * Get TCB and local buffer from common pool. | |
33 | * (It is shared by CmdQ, MgntQ, and USB coalesce DataQ) | |
34 | */ | |
5f53d8ca | 35 | skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + DataLen + 4); |
a6f81aaf FS |
36 | if (!skb) |
37 | return false; | |
8dba599d FS |
38 | memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev)); |
39 | tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); | |
5f53d8ca JC |
40 | tcb_desc->queue_index = TXCMD_QUEUE; |
41 | tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_NORMAL; | |
42 | tcb_desc->bLastIniPkt = 0; | |
43 | skb_reserve(skb, USB_HWDESC_HEADER_LEN); | |
44 | ptr_buf = skb_put(skb, DataLen); | |
8dba599d FS |
45 | memcpy(ptr_buf, pData, DataLen); |
46 | tcb_desc->txbuf_size = (u16)DataLen; | |
47 | ||
48 | if (!priv->ieee80211->check_nic_enough_desc(dev, tcb_desc->queue_index) || | |
49 | (!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index])) || | |
50 | (priv->ieee80211->queue_stop)) { | |
51 | RT_TRACE(COMP_FIRMWARE, "NULL packet => tx full\n"); | |
5f53d8ca JC |
52 | skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb); |
53 | } else { | |
8dba599d | 54 | priv->ieee80211->softmac_hard_start_xmit(skb, dev); |
5f53d8ca JC |
55 | } |
56 | ||
5f53d8ca JC |
57 | return rtStatus; |
58 | } | |
59 | ||
8dba599d | 60 | /* |
5f53d8ca JC |
61 | * Function: cmpk_message_handle_tx() |
62 | * | |
63 | * Overview: Driver internal module can call the API to send message to | |
8dba599d FS |
64 | * firmware side. For example, you can send a debug command packet. |
65 | * Or you can send a request for FW to modify RLX4181 LBUS HW bank. | |
66 | * Otherwise, you can change MAC/PHT/RF register by firmware at | |
67 | * run time. We do not support message more than one segment now. | |
5f53d8ca JC |
68 | * |
69 | * Input: NONE | |
70 | * | |
71 | * Output: NONE | |
72 | * | |
73 | * Return: NONE | |
8dba599d | 74 | */ |
5f53d8ca JC |
75 | extern bool cmpk_message_handle_tx( |
76 | struct net_device *dev, | |
8dba599d | 77 | u8 *codevirtualaddress, |
5f53d8ca JC |
78 | u32 packettype, |
79 | u32 buffer_len) | |
80 | { | |
8dba599d | 81 | bool rt_status = true; |
5f53d8ca | 82 | return rt_status; |
8dba599d | 83 | } |
5f53d8ca | 84 | |
8dba599d FS |
85 | /* |
86 | * Function: cmpk_counttxstatistic() | |
87 | */ | |
5f53d8ca | 88 | static void |
8dba599d | 89 | cmpk_count_txstatistic(struct net_device *dev, cmpk_txfb_t *pstx_fb) |
5f53d8ca JC |
90 | { |
91 | struct r8192_priv *priv = ieee80211_priv(dev); | |
92 | #ifdef ENABLE_PS | |
8dba599d | 93 | RT_RF_POWER_STATE rtState; |
5f53d8ca | 94 | |
8dba599d FS |
95 | pAdapter->HalFunc.GetHwRegHandler(pAdapter, |
96 | HW_VAR_RF_STATE, | |
97 | (pu1Byte)(&rtState)); | |
5f53d8ca | 98 | |
8dba599d FS |
99 | /* |
100 | * When RF is off, we should not count the packet for hw/sw synchronize | |
101 | * reason, ie. there may be a duration while sw switch is changed and hw | |
102 | * switch is being changed. | |
103 | */ | |
5f53d8ca | 104 | if (rtState == eRfOff) |
5f53d8ca | 105 | return; |
5f53d8ca JC |
106 | #endif |
107 | ||
108 | #ifdef TODO | |
8dba599d | 109 | if (pAdapter->bInHctTest) |
5f53d8ca JC |
110 | return; |
111 | #endif | |
8dba599d FS |
112 | /* |
113 | * We can not know the packet length and transmit type: | |
114 | * broadcast or uni or multicast. | |
115 | * So the relative statistics must be collected in tx feedback info | |
116 | */ | |
117 | if (pstx_fb->tok) { | |
5f53d8ca JC |
118 | priv->stats.txfeedbackok++; |
119 | priv->stats.txoktotal++; | |
120 | priv->stats.txokbytestotal += pstx_fb->pkt_length; | |
121 | priv->stats.txokinperiod++; | |
5f53d8ca | 122 | /* We can not make sure broadcast/multicast or unicast mode. */ |
8dba599d | 123 | if (pstx_fb->pkt_type == PACKET_MULTICAST) { |
5f53d8ca JC |
124 | priv->stats.txmulticast++; |
125 | priv->stats.txbytesmulticast += pstx_fb->pkt_length; | |
8dba599d | 126 | } else if (pstx_fb->pkt_type == PACKET_BROADCAST) { |
5f53d8ca JC |
127 | priv->stats.txbroadcast++; |
128 | priv->stats.txbytesbroadcast += pstx_fb->pkt_length; | |
8dba599d | 129 | } else { |
5f53d8ca JC |
130 | priv->stats.txunicast++; |
131 | priv->stats.txbytesunicast += pstx_fb->pkt_length; | |
132 | } | |
8dba599d | 133 | } else { |
5f53d8ca JC |
134 | priv->stats.txfeedbackfail++; |
135 | priv->stats.txerrtotal++; | |
136 | priv->stats.txerrbytestotal += pstx_fb->pkt_length; | |
5f53d8ca JC |
137 | /* We can not make sure broadcast/multicast or unicast mode. */ |
138 | if (pstx_fb->pkt_type == PACKET_MULTICAST) | |
5f53d8ca | 139 | priv->stats.txerrmulticast++; |
5f53d8ca | 140 | else if (pstx_fb->pkt_type == PACKET_BROADCAST) |
5f53d8ca | 141 | priv->stats.txerrbroadcast++; |
5f53d8ca | 142 | else |
5f53d8ca | 143 | priv->stats.txerrunicast++; |
5f53d8ca | 144 | } |
5f53d8ca JC |
145 | priv->stats.txretrycount += pstx_fb->retry_cnt; |
146 | priv->stats.txfeedbackretry += pstx_fb->retry_cnt; | |
8dba599d | 147 | } |
5f53d8ca | 148 | |
8dba599d | 149 | /* |
5f53d8ca JC |
150 | * Function: cmpk_handle_tx_feedback() |
151 | * | |
152 | * Overview: The function is responsible for extract the message inside TX | |
8dba599d FS |
153 | * feedbck message from firmware. It will contain dedicated info in |
154 | * ws-06-0063-rtl8190-command-packet-specification. Please | |
155 | * refer to chapter "TX Feedback Element". We have to read 20 bytes | |
156 | * in the command packet. | |
5f53d8ca JC |
157 | * |
158 | * Input: struct net_device * dev | |
8dba599d | 159 | * u8 *pmsg - Msg Ptr of the command packet. |
5f53d8ca JC |
160 | * |
161 | * Output: NONE | |
162 | * | |
163 | * Return: NONE | |
8dba599d FS |
164 | */ |
165 | static void cmpk_handle_tx_feedback(struct net_device *dev, u8 *pmsg) | |
5f53d8ca JC |
166 | { |
167 | struct r8192_priv *priv = ieee80211_priv(dev); | |
8dba599d | 168 | cmpk_txfb_t rx_tx_fb; |
5f53d8ca JC |
169 | |
170 | priv->stats.txfeedback++; | |
171 | ||
5f53d8ca | 172 | /* 1. Extract TX feedback info from RFD to temp structure buffer. */ |
8dba599d | 173 | memcpy((u8 *)&rx_tx_fb, pmsg, sizeof(cmpk_txfb_t)); |
35c1b462 | 174 | |
5f53d8ca JC |
175 | /* 2. Use tx feedback info to count TX statistics. */ |
176 | cmpk_count_txstatistic(dev, &rx_tx_fb); | |
8dba599d | 177 | } |
35c1b462 | 178 | |
8dba599d | 179 | void cmdpkt_beacontimerinterrupt_819xusb(struct net_device *dev) |
5f53d8ca JC |
180 | { |
181 | struct r8192_priv *priv = ieee80211_priv(dev); | |
182 | u16 tx_rate; | |
5f53d8ca | 183 | |
8dba599d FS |
184 | if (priv->ieee80211->current_network.mode == IEEE_A || |
185 | priv->ieee80211->current_network.mode == IEEE_N_5G || | |
186 | (priv->ieee80211->current_network.mode == IEEE_N_24G && | |
187 | (!priv->ieee80211->pHTInfo->bCurSuppCCK))) { | |
188 | tx_rate = 60; | |
189 | DMESG("send beacon frame tx rate is 6Mbpm\n"); | |
190 | } else { | |
191 | tx_rate = 10; | |
192 | DMESG("send beacon frame tx rate is 1Mbpm\n"); | |
5f53d8ca | 193 | } |
8dba599d | 194 | rtl819xusb_beacon_tx(dev, tx_rate); /* HW Beacon */ |
5f53d8ca JC |
195 | } |
196 | ||
8dba599d | 197 | /* |
5f53d8ca JC |
198 | * Function: cmpk_handle_interrupt_status() |
199 | * | |
200 | * Overview: The function is responsible for extract the message from | |
8dba599d FS |
201 | * firmware. It will contain dedicated info in |
202 | * ws-07-0063-v06-rtl819x-command-packet-specification-070315.doc. | |
203 | * Please refer to chapter "Interrupt Status Element". | |
5f53d8ca JC |
204 | * |
205 | * Input: struct net_device *dev, | |
8dba599d | 206 | * u8* pmsg - Message Pointer of the command packet. |
5f53d8ca JC |
207 | * |
208 | * Output: NONE | |
209 | * | |
210 | * Return: NONE | |
8dba599d FS |
211 | */ |
212 | static void cmpk_handle_interrupt_status(struct net_device *dev, u8 *pmsg) | |
5f53d8ca JC |
213 | { |
214 | cmpk_intr_sta_t rx_intr_status; /* */ | |
215 | struct r8192_priv *priv = ieee80211_priv(dev); | |
216 | ||
217 | DMESG("---> cmpk_Handle_Interrupt_Status()\n"); | |
218 | ||
5f53d8ca | 219 | /* 1. Extract TX feedback info from RFD to temp structure buffer. */ |
5f53d8ca | 220 | rx_intr_status.length = pmsg[1]; |
8dba599d | 221 | if (rx_intr_status.length != (sizeof(cmpk_intr_sta_t) - 2)) { |
5f53d8ca JC |
222 | DMESG("cmpk_Handle_Interrupt_Status: wrong length!\n"); |
223 | return; | |
224 | } | |
8dba599d FS |
225 | /* Statistics of beacon for ad-hoc mode. */ |
226 | if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) { | |
5f53d8ca JC |
227 | //2 maybe need endian transform? |
228 | rx_intr_status.interrupt_status = *((u32 *)(pmsg + 4)); | |
5f53d8ca JC |
229 | |
230 | DMESG("interrupt status = 0x%x\n", rx_intr_status.interrupt_status); | |
231 | ||
8dba599d | 232 | if (rx_intr_status.interrupt_status & ISR_TxBcnOk) { |
5f53d8ca JC |
233 | priv->ieee80211->bibsscoordinator = true; |
234 | priv->stats.txbeaconokint++; | |
8dba599d | 235 | } else if (rx_intr_status.interrupt_status & ISR_TxBcnErr) { |
5f53d8ca JC |
236 | priv->ieee80211->bibsscoordinator = false; |
237 | priv->stats.txbeaconerr++; | |
238 | } | |
239 | ||
240 | if (rx_intr_status.interrupt_status & ISR_BcnTimerIntr) | |
5f53d8ca | 241 | cmdpkt_beacontimerinterrupt_819xusb(dev); |
5f53d8ca | 242 | } |
8dba599d | 243 | /* Other informations in interrupt status we need? */ |
5f53d8ca | 244 | DMESG("<---- cmpk_handle_interrupt_status()\n"); |
8dba599d | 245 | } |
5f53d8ca | 246 | |
8dba599d | 247 | /* |
5f53d8ca JC |
248 | * Function: cmpk_handle_query_config_rx() |
249 | * | |
250 | * Overview: The function is responsible for extract the message from | |
251 | * firmware. It will contain dedicated info in | |
8dba599d FS |
252 | * ws-06-0063-rtl8190-command-packet-specification |
253 | * Please refer to chapter "Beacon State Element". | |
5f53d8ca JC |
254 | * |
255 | * Input: u8 * pmsg - Message Pointer of the command packet. | |
256 | * | |
257 | * Output: NONE | |
258 | * | |
259 | * Return: NONE | |
260 | * | |
8dba599d FS |
261 | */ |
262 | static void cmpk_handle_query_config_rx(struct net_device *dev, u8 *pmsg) | |
5f53d8ca | 263 | { |
8dba599d FS |
264 | cmpk_query_cfg_t rx_query_cfg; |
265 | /* | |
266 | * Extract TX feedback info from RFD to temp structure buffer. | |
267 | */ | |
268 | rx_query_cfg.cfg_action = (pmsg[4] & 0x80000000) >> 31; | |
269 | rx_query_cfg.cfg_type = (pmsg[4] & 0x60) >> 5; | |
270 | rx_query_cfg.cfg_size = (pmsg[4] & 0x18) >> 3; | |
271 | rx_query_cfg.cfg_page = (pmsg[6] & 0x0F) >> 0; | |
272 | rx_query_cfg.cfg_offset = pmsg[7]; | |
273 | rx_query_cfg.value = (pmsg[8] << 24) | (pmsg[9] << 16) | | |
274 | (pmsg[10] << 8) | (pmsg[11] << 0); | |
275 | rx_query_cfg.mask = (pmsg[12] << 24) | (pmsg[13] << 16) | | |
276 | (pmsg[14] << 8) | (pmsg[15] << 0); | |
277 | } | |
5f53d8ca | 278 | |
8dba599d | 279 | /* |
5f53d8ca JC |
280 | * Function: cmpk_count_tx_status() |
281 | * | |
8dba599d | 282 | * Overview: Count aggregated tx status from firmware of one type rx command |
5f53d8ca JC |
283 | * packet element id = RX_TX_STATUS. |
284 | * | |
285 | * Input: NONE | |
286 | * | |
287 | * Output: NONE | |
288 | * | |
289 | * Return: NONE | |
8dba599d FS |
290 | */ |
291 | static void cmpk_count_tx_status(struct net_device *dev, | |
292 | cmpk_tx_status_t *pstx_status) | |
5f53d8ca JC |
293 | { |
294 | struct r8192_priv *priv = ieee80211_priv(dev); | |
295 | ||
296 | #ifdef ENABLE_PS | |
297 | ||
298 | RT_RF_POWER_STATE rtstate; | |
299 | ||
300 | pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE, (pu1Byte)(&rtState)); | |
301 | ||
8dba599d FS |
302 | /* |
303 | * When RF is off, we should not count the packet for hw/sw synchronize | |
304 | * reason, ie. there may be a duration while sw switch is changed and hw | |
305 | * switch is being changed. | |
306 | */ | |
5f53d8ca | 307 | if (rtState == eRfOff) |
5f53d8ca | 308 | return; |
5f53d8ca JC |
309 | #endif |
310 | ||
311 | priv->stats.txfeedbackok += pstx_status->txok; | |
312 | priv->stats.txoktotal += pstx_status->txok; | |
313 | ||
314 | priv->stats.txfeedbackfail += pstx_status->txfail; | |
315 | priv->stats.txerrtotal += pstx_status->txfail; | |
316 | ||
8dba599d | 317 | priv->stats.txretrycount += pstx_status->txretry; |
5f53d8ca JC |
318 | priv->stats.txfeedbackretry += pstx_status->txretry; |
319 | ||
8dba599d FS |
320 | priv->stats.txmulticast += pstx_status->txmcok; |
321 | priv->stats.txbroadcast += pstx_status->txbcok; | |
5f53d8ca JC |
322 | priv->stats.txunicast += pstx_status->txucok; |
323 | ||
324 | priv->stats.txerrmulticast += pstx_status->txmcfail; | |
325 | priv->stats.txerrbroadcast += pstx_status->txbcfail; | |
326 | priv->stats.txerrunicast += pstx_status->txucfail; | |
327 | ||
328 | priv->stats.txbytesmulticast += pstx_status->txmclength; | |
329 | priv->stats.txbytesbroadcast += pstx_status->txbclength; | |
8dba599d | 330 | priv->stats.txbytesunicast += pstx_status->txuclength; |
5f53d8ca | 331 | |
8dba599d FS |
332 | priv->stats.last_packet_rate = pstx_status->rate; |
333 | } | |
5f53d8ca | 334 | |
8dba599d | 335 | /* |
5f53d8ca JC |
336 | * Function: cmpk_handle_tx_status() |
337 | * | |
338 | * Overview: Firmware add a new tx feedback status to reduce rx command | |
339 | * packet buffer operation load. | |
340 | * | |
341 | * Input: NONE | |
342 | * | |
343 | * Output: NONE | |
344 | * | |
345 | * Return: NONE | |
8dba599d | 346 | */ |
5f53d8ca | 347 | static void |
8dba599d | 348 | cmpk_handle_tx_status(struct net_device *dev, u8 *pmsg) |
5f53d8ca | 349 | { |
8dba599d | 350 | cmpk_tx_status_t rx_tx_sts; |
5f53d8ca | 351 | |
8dba599d | 352 | memcpy((void *)&rx_tx_sts, (void *)pmsg, sizeof(cmpk_tx_status_t)); |
5f53d8ca JC |
353 | /* 2. Use tx feedback info to count TX statistics. */ |
354 | cmpk_count_tx_status(dev, &rx_tx_sts); | |
8dba599d | 355 | } |
5f53d8ca | 356 | |
8dba599d | 357 | /* |
5f53d8ca JC |
358 | * Function: cmpk_handle_tx_rate_history() |
359 | * | |
360 | * Overview: Firmware add a new tx rate history | |
361 | * | |
362 | * Input: NONE | |
363 | * | |
364 | * Output: NONE | |
365 | * | |
366 | * Return: NONE | |
8dba599d FS |
367 | */ |
368 | static void cmpk_handle_tx_rate_history(struct net_device *dev, u8 *pmsg) | |
5f53d8ca JC |
369 | { |
370 | cmpk_tx_rahis_t *ptxrate; | |
8dba599d FS |
371 | u8 i, j; |
372 | u16 length = sizeof(cmpk_tx_rahis_t); | |
373 | u32 *ptemp; | |
5f53d8ca JC |
374 | struct r8192_priv *priv = ieee80211_priv(dev); |
375 | ||
5f53d8ca | 376 | #ifdef ENABLE_PS |
8dba599d FS |
377 | pAdapter->HalFunc.GetHwRegHandler(pAdapter, |
378 | HW_VAR_RF_STATE, | |
379 | (pu1Byte)(&rtState)); | |
380 | /* | |
381 | * When RF is off, we should not count the packet for hw/sw synchronize | |
382 | * reason, ie. there may be a duration while sw switch is changed and hw | |
383 | * switch is being changed. | |
384 | */ | |
5f53d8ca | 385 | if (rtState == eRfOff) |
5f53d8ca | 386 | return; |
5f53d8ca | 387 | #endif |
5f53d8ca JC |
388 | ptemp = (u32 *)pmsg; |
389 | ||
8dba599d FS |
390 | /* |
391 | * Do endian transfer to word alignment(16 bits) for windows system. | |
392 | * You must do different endian transfer for linux and MAC OS | |
393 | */ | |
394 | for (i = 0; i < (length/4); i++) { | |
395 | u16 temp1, temp2; | |
396 | temp1 = ptemp[i] & 0x0000FFFF; | |
397 | temp2 = ptemp[i] >> 16; | |
398 | ptemp[i] = (temp1 << 16) | temp2; | |
5f53d8ca JC |
399 | } |
400 | ||
401 | ptxrate = (cmpk_tx_rahis_t *)pmsg; | |
402 | ||
8dba599d | 403 | if (ptxrate == NULL) |
5f53d8ca | 404 | return; |
5f53d8ca | 405 | |
8dba599d FS |
406 | for (i = 0; i < 16; i++) { |
407 | /* Collect CCK rate packet num */ | |
5f53d8ca JC |
408 | if (i < 4) |
409 | priv->stats.txrate.cck[i] += ptxrate->cck[i]; | |
8dba599d FS |
410 | /* Collect OFDM rate packet num */ |
411 | if (i < 8) | |
5f53d8ca | 412 | priv->stats.txrate.ofdm[i] += ptxrate->ofdm[i]; |
5f53d8ca JC |
413 | for (j = 0; j < 4; j++) |
414 | priv->stats.txrate.ht_mcs[j][i] += ptxrate->ht_mcs[j][i]; | |
415 | } | |
416 | ||
8dba599d | 417 | } |
5f53d8ca | 418 | |
8dba599d | 419 | /* |
5f53d8ca JC |
420 | * Function: cmpk_message_handle_rx() |
421 | * | |
422 | * Overview: In the function, we will capture different RX command packet | |
8dba599d FS |
423 | * info. Every RX command packet element has different message |
424 | * length and meaning in content. We only support three type of RX | |
425 | * command packet now. Please refer to document | |
426 | * ws-06-0063-rtl8190-command-packet-specification. | |
5f53d8ca JC |
427 | * |
428 | * Input: NONE | |
429 | * | |
430 | * Output: NONE | |
431 | * | |
432 | * Return: NONE | |
8dba599d | 433 | */ |
5f53d8ca JC |
434 | extern u32 |
435 | cmpk_message_handle_rx( | |
436 | struct net_device *dev, | |
437 | struct ieee80211_rx_stats *pstats) | |
438 | { | |
5f53d8ca JC |
439 | struct r8192_priv *priv = ieee80211_priv(dev); |
440 | int total_length; | |
441 | u8 cmd_length, exe_cnt = 0; | |
442 | u8 element_id; | |
443 | u8 *pcmd_buff; | |
444 | ||
8dba599d FS |
445 | /* |
446 | * 0. Check input arguments. | |
447 | * If is is a command queue message or pointer is null | |
448 | */ | |
449 | if ((pstats == NULL)) | |
5f53d8ca | 450 | return 0; /* This is not a command packet. */ |
5f53d8ca JC |
451 | |
452 | /* 1. Read received command packet message length from RFD. */ | |
453 | total_length = pstats->Length; | |
454 | ||
455 | /* 2. Read virtual address from RFD. */ | |
456 | pcmd_buff = pstats->virtual_address; | |
457 | ||
458 | /* 3. Read command pakcet element id and length. */ | |
459 | element_id = pcmd_buff[0]; | |
5f53d8ca | 460 | |
8dba599d FS |
461 | /* |
462 | * 4. Check every received command packet conent according to different | |
463 | * element type. Because FW may aggregate RX command packet to minimize | |
464 | * transmit time between DRV and FW. | |
465 | */ | |
5f53d8ca | 466 | |
8dba599d FS |
467 | /* Add a counter to prevent to locked in the loop too long */ |
468 | while (total_length > 0 || exe_cnt++ > 100) { | |
469 | /* We support aggregation of different cmd in the same packet */ | |
470 | element_id = pcmd_buff[0]; | |
471 | switch (element_id) { | |
472 | case RX_TX_FEEDBACK: | |
473 | cmpk_handle_tx_feedback(dev, pcmd_buff); | |
474 | cmd_length = CMPK_RX_TX_FB_SIZE; | |
475 | break; | |
476 | case RX_INTERRUPT_STATUS: | |
477 | cmpk_handle_interrupt_status(dev, pcmd_buff); | |
478 | cmd_length = sizeof(cmpk_intr_sta_t); | |
479 | break; | |
480 | case BOTH_QUERY_CONFIG: | |
481 | cmpk_handle_query_config_rx(dev, pcmd_buff); | |
482 | cmd_length = CMPK_BOTH_QUERY_CONFIG_SIZE; | |
483 | break; | |
484 | case RX_TX_STATUS: | |
485 | cmpk_handle_tx_status(dev, pcmd_buff); | |
486 | cmd_length = CMPK_RX_TX_STS_SIZE; | |
487 | break; | |
488 | case RX_TX_PER_PKT_FEEDBACK: | |
489 | cmd_length = CMPK_RX_TX_FB_SIZE; | |
490 | break; | |
491 | case RX_TX_RATE_HISTORY: | |
492 | cmpk_handle_tx_rate_history(dev, pcmd_buff); | |
493 | cmd_length = CMPK_TX_RAHIS_SIZE; | |
494 | break; | |
a6f81aaf FS |
495 | case RX_TX_TSSI_MEAN_BACK: |
496 | { | |
497 | u32 *pMsg; | |
498 | pMsg = (u32 *)pcmd_buff; | |
499 | } | |
500 | cmd_length = 32; | |
501 | break; | |
8dba599d FS |
502 | default: |
503 | RT_TRACE(COMP_ERR, "(%s): unknown CMD Element\n", | |
504 | __func__); | |
505 | return 1; /* This is a command packet. */ | |
506 | } | |
5f53d8ca | 507 | priv->stats.rxcmdpkt[element_id]++; |
5f53d8ca JC |
508 | total_length -= cmd_length; |
509 | pcmd_buff += cmd_length; | |
8dba599d FS |
510 | } |
511 | return 1; /* This is a command packet. */ | |
512 | } |