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Commit | Line | Data |
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92b96797 FB |
1 | /* |
2 | * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; if not, write to the Free Software Foundation, Inc., | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | * | |
19 | * File: main_usb.c | |
20 | * | |
21 | * Purpose: driver entry for initial, open, close, tx and rx. | |
22 | * | |
23 | * Author: Lyndon Chen | |
24 | * | |
25 | * Date: Dec 8, 2005 | |
26 | * | |
27 | * Functions: | |
28 | * | |
26e5b65b | 29 | * vt6656_probe - module initial (insmod) driver entry |
92b96797 FB |
30 | * device_remove1 - module remove entry |
31 | * device_open - allocate dma/descripter resource & initial mac/bbp function | |
a0a1f61a | 32 | * device_xmit - asynchronous data tx function |
92b96797 FB |
33 | * device_set_multi - set mac filter |
34 | * device_ioctl - ioctl entry | |
a0a1f61a | 35 | * device_close - shutdown mac/bbp & free dma/descriptor resource |
92b96797 FB |
36 | * device_alloc_frag_buf - rx fragement pre-allocated function |
37 | * device_free_tx_bufs - free tx buffer function | |
38 | * device_dma0_tx_80211- tx 802.11 frame via dma0 | |
a0a1f61a | 39 | * device_dma0_xmit- tx PS buffered frame via dma0 |
92b96797 FB |
40 | * device_init_registers- initial MAC & BBP & RF internal registers. |
41 | * device_init_rings- initial tx/rx ring buffer | |
42 | * device_init_defrag_cb- initial & allocate de-fragement buffer. | |
43 | * device_tx_srv- tx interrupt service function | |
44 | * | |
45 | * Revision History: | |
46 | */ | |
47 | #undef __NO_VERSION__ | |
48 | ||
7c51d177 | 49 | #include <linux/file.h> |
92b96797 | 50 | #include "device.h" |
92b96797 | 51 | #include "card.h" |
92b96797 | 52 | #include "baseband.h" |
92b96797 | 53 | #include "mac.h" |
92b96797 | 54 | #include "power.h" |
92b96797 | 55 | #include "wcmd.h" |
92b96797 | 56 | #include "rxtx.h" |
92b96797 | 57 | #include "dpc.h" |
92b96797 | 58 | #include "rf.h" |
92b96797 | 59 | #include "firmware.h" |
62c8526d | 60 | #include "usbpipe.h" |
92b96797 | 61 | #include "channel.h" |
92b96797 | 62 | #include "int.h" |
92b96797 | 63 | |
ec6e0f63 AM |
64 | /* |
65 | * define module options | |
66 | */ | |
92b96797 | 67 | |
ec6e0f63 AM |
68 | /* version information */ |
69 | #define DRIVER_AUTHOR \ | |
70 | "VIA Networking Technologies, Inc., <lyndonchen@vntek.com.tw>" | |
92b96797 FB |
71 | MODULE_AUTHOR(DRIVER_AUTHOR); |
72 | MODULE_LICENSE("GPL"); | |
73 | MODULE_DESCRIPTION(DEVICE_FULL_DRV_NAM); | |
74 | ||
dbf0a03b | 75 | #define RX_DESC_DEF0 64 |
2f020ebc MP |
76 | static int vnt_rx_buffers = RX_DESC_DEF0; |
77 | module_param_named(rx_buffers, vnt_rx_buffers, int, 0644); | |
78 | MODULE_PARM_DESC(rx_buffers, "Number of receive usb rx buffers"); | |
92b96797 | 79 | |
dbf0a03b | 80 | #define TX_DESC_DEF0 64 |
3220e3a4 | 81 | static int vnt_tx_buffers = TX_DESC_DEF0; |
1b6953dd | 82 | module_param_named(tx_buffers, vnt_tx_buffers, int, 0644); |
3220e3a4 MP |
83 | MODULE_PARM_DESC(tx_buffers, "Number of receive usb tx buffers"); |
84 | ||
92b96797 | 85 | #define RTS_THRESH_DEF 2347 |
92b96797 | 86 | #define FRAG_THRESH_DEF 2346 |
92b96797 | 87 | #define SHORT_RETRY_DEF 8 |
92b96797 | 88 | #define LONG_RETRY_DEF 4 |
92b96797 | 89 | |
92b96797 FB |
90 | /* BasebandType[] baseband type selected |
91 | 0: indicate 802.11a type | |
92 | 1: indicate 802.11b type | |
93 | 2: indicate 802.11g type | |
94 | */ | |
92b96797 | 95 | |
24b46f9e | 96 | #define BBP_TYPE_DEF 2 |
92b96797 | 97 | |
ec6e0f63 AM |
98 | /* |
99 | * Static vars definitions | |
100 | */ | |
92b96797 | 101 | |
4d088876 | 102 | static struct usb_device_id vt6656_table[] = { |
92b96797 FB |
103 | {USB_DEVICE(VNT_USB_VENDOR_ID, VNT_USB_PRODUCT_ID)}, |
104 | {} | |
105 | }; | |
106 | ||
da3b67b3 | 107 | static void device_set_options(struct vnt_private *priv) |
28e067f4 | 108 | { |
3220e3a4 MP |
109 | /* Set number of TX buffers */ |
110 | if (vnt_tx_buffers < CB_MIN_TX_DESC || vnt_tx_buffers > CB_MAX_TX_DESC) | |
111 | priv->cbTD = TX_DESC_DEF0; | |
112 | else | |
113 | priv->cbTD = vnt_tx_buffers; | |
2f020ebc MP |
114 | |
115 | /* Set number of RX buffers */ | |
116 | if (vnt_rx_buffers < CB_MIN_RX_DESC || vnt_rx_buffers > CB_MAX_RX_DESC) | |
6da4738f | 117 | priv->num_rcb = RX_DESC_DEF0; |
2f020ebc | 118 | else |
6da4738f | 119 | priv->num_rcb = vnt_rx_buffers; |
2f020ebc | 120 | |
da3b67b3 MP |
121 | priv->byShortRetryLimit = SHORT_RETRY_DEF; |
122 | priv->byLongRetryLimit = LONG_RETRY_DEF; | |
123 | priv->op_mode = NL80211_IFTYPE_UNSPECIFIED; | |
124 | priv->byBBType = BBP_TYPE_DEF; | |
125 | priv->byPacketType = priv->byBBType; | |
126 | priv->byAutoFBCtrl = AUTO_FB_0; | |
127 | priv->byPreambleType = 0; | |
128 | priv->bExistSWNetAddr = false; | |
92b96797 FB |
129 | } |
130 | ||
ec6e0f63 AM |
131 | /* |
132 | * initialization of MAC & BBP registers | |
133 | */ | |
3ce54934 | 134 | static int device_init_registers(struct vnt_private *priv) |
92b96797 | 135 | { |
3ce54934 MP |
136 | struct vnt_cmd_card_init *init_cmd = &priv->init_command; |
137 | struct vnt_rsp_card_init *init_rsp = &priv->init_response; | |
138 | u8 antenna; | |
dd0a774f | 139 | int ii; |
3ce54934 MP |
140 | int status = STATUS_SUCCESS; |
141 | u8 tmp; | |
142 | u8 calib_tx_iq = 0, calib_tx_dc = 0, calib_rx_iq = 0; | |
92b96797 | 143 | |
4e62dcc9 | 144 | dev_dbg(&priv->usb->dev, "---->INIbInitAdapter. [%d][%d]\n", |
3ce54934 | 145 | DEVICE_INIT_COLD, priv->byPacketType); |
302433da | 146 | |
3ce54934 MP |
147 | if (!vnt_check_firmware_version(priv)) { |
148 | if (vnt_download_firmware(priv) == true) { | |
149 | if (vnt_firmware_branch_to_sram(priv) == false) { | |
4e62dcc9 | 150 | dev_dbg(&priv->usb->dev, |
14321461 | 151 | " vnt_firmware_branch_to_sram fail\n"); |
cbc06fb1 MP |
152 | return false; |
153 | } | |
154 | } else { | |
4e62dcc9 | 155 | dev_dbg(&priv->usb->dev, "FIRMWAREbDownload fail\n"); |
cbc06fb1 MP |
156 | return false; |
157 | } | |
158 | } | |
159 | ||
3ce54934 | 160 | if (!vnt_vt3184_init(priv)) { |
4e62dcc9 | 161 | dev_dbg(&priv->usb->dev, "vnt_vt3184_init fail\n"); |
cbc06fb1 MP |
162 | return false; |
163 | } | |
92b96797 | 164 | |
748bf69c | 165 | init_cmd->init_class = DEVICE_INIT_COLD; |
3ce54934 | 166 | init_cmd->exist_sw_net_addr = (u8) priv->bExistSWNetAddr; |
3d47a6fb | 167 | for (ii = 0; ii < 6; ii++) |
3ce54934 MP |
168 | init_cmd->sw_net_addr[ii] = priv->abyCurrentNetAddr[ii]; |
169 | init_cmd->short_retry_limit = priv->byShortRetryLimit; | |
170 | init_cmd->long_retry_limit = priv->byLongRetryLimit; | |
3d47a6fb MP |
171 | |
172 | /* issue card_init command to device */ | |
3ce54934 | 173 | status = vnt_control_out(priv, |
3d47a6fb | 174 | MESSAGE_TYPE_CARDINIT, 0, 0, |
748bf69c | 175 | sizeof(struct vnt_cmd_card_init), (u8 *)init_cmd); |
3ce54934 | 176 | if (status != STATUS_SUCCESS) { |
4e62dcc9 | 177 | dev_dbg(&priv->usb->dev, "Issue Card init fail\n"); |
cbc06fb1 MP |
178 | return false; |
179 | } | |
92b96797 | 180 | |
3ce54934 | 181 | status = vnt_control_in(priv, MESSAGE_TYPE_INIT_RSP, 0, 0, |
748bf69c | 182 | sizeof(struct vnt_rsp_card_init), (u8 *)init_rsp); |
3ce54934 | 183 | if (status != STATUS_SUCCESS) { |
4e62dcc9 | 184 | dev_dbg(&priv->usb->dev, |
302433da | 185 | "Cardinit request in status fail!\n"); |
302433da MP |
186 | return false; |
187 | } | |
92b96797 | 188 | |
ec6e0f63 | 189 | /* local ID for AES functions */ |
3ce54934 | 190 | status = vnt_control_in(priv, MESSAGE_TYPE_READ, |
302433da | 191 | MAC_REG_LOCALID, MESSAGE_REQUEST_MACREG, 1, |
3ce54934 MP |
192 | &priv->byLocalID); |
193 | if (status != STATUS_SUCCESS) | |
302433da | 194 | return false; |
92b96797 | 195 | |
ec6e0f63 AM |
196 | /* do MACbSoftwareReset in MACvInitialize */ |
197 | ||
3ce54934 MP |
198 | priv->byTopOFDMBasicRate = RATE_24M; |
199 | priv->byTopCCKBasicRate = RATE_1M; | |
2486890a | 200 | |
ec6e0f63 | 201 | /* target to IF pin while programming to RF chip */ |
3ce54934 | 202 | priv->byCurPwr = 0xFF; |
92b96797 | 203 | |
3ce54934 MP |
204 | priv->byCCKPwr = priv->abyEEPROM[EEP_OFS_PWR_CCK]; |
205 | priv->byOFDMPwrG = priv->abyEEPROM[EEP_OFS_PWR_OFDMG]; | |
ec6e0f63 AM |
206 | /* load power table */ |
207 | for (ii = 0; ii < 14; ii++) { | |
3ce54934 MP |
208 | priv->abyCCKPwrTbl[ii] = |
209 | priv->abyEEPROM[ii + EEP_OFS_CCK_PWR_TBL]; | |
210 | ||
211 | if (priv->abyCCKPwrTbl[ii] == 0) | |
212 | priv->abyCCKPwrTbl[ii] = priv->byCCKPwr; | |
213 | priv->abyOFDMPwrTbl[ii] = | |
214 | priv->abyEEPROM[ii + EEP_OFS_OFDM_PWR_TBL]; | |
215 | if (priv->abyOFDMPwrTbl[ii] == 0) | |
216 | priv->abyOFDMPwrTbl[ii] = priv->byOFDMPwrG; | |
302433da | 217 | } |
92b96797 | 218 | |
ec6e0f63 AM |
219 | /* |
220 | * original zonetype is USA, but custom zonetype is Europe, | |
221 | * then need to recover 12, 13, 14 channels with 11 channel | |
222 | */ | |
9ef2184d | 223 | for (ii = 11; ii < 14; ii++) { |
3ce54934 MP |
224 | priv->abyCCKPwrTbl[ii] = priv->abyCCKPwrTbl[10]; |
225 | priv->abyOFDMPwrTbl[ii] = priv->abyOFDMPwrTbl[10]; | |
302433da | 226 | } |
92b96797 | 227 | |
3ce54934 | 228 | priv->byOFDMPwrA = 0x34; /* same as RFbMA2829SelectChannel */ |
ec6e0f63 | 229 | |
302433da MP |
230 | /* load OFDM A power table */ |
231 | for (ii = 0; ii < CB_MAX_CHANNEL_5G; ii++) { | |
3ce54934 MP |
232 | priv->abyOFDMAPwrTbl[ii] = |
233 | priv->abyEEPROM[ii + EEP_OFS_OFDMA_PWR_TBL]; | |
302433da | 234 | |
3ce54934 MP |
235 | if (priv->abyOFDMAPwrTbl[ii] == 0) |
236 | priv->abyOFDMAPwrTbl[ii] = priv->byOFDMPwrA; | |
302433da | 237 | } |
92b96797 | 238 | |
3ce54934 | 239 | antenna = priv->abyEEPROM[EEP_OFS_ANTENNA]; |
92b96797 | 240 | |
3ce54934 MP |
241 | if (antenna & EEP_ANTINV) |
242 | priv->bTxRxAntInv = true; | |
302433da | 243 | else |
3ce54934 | 244 | priv->bTxRxAntInv = false; |
302433da | 245 | |
3ce54934 | 246 | antenna &= (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN); |
92b96797 | 247 | |
3ce54934 MP |
248 | if (antenna == 0) /* if not set default is both */ |
249 | antenna = (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN); | |
302433da | 250 | |
3ce54934 MP |
251 | if (antenna == (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN)) { |
252 | priv->byAntennaCount = 2; | |
253 | priv->byTxAntennaMode = ANT_B; | |
254 | priv->dwTxAntennaSel = 1; | |
255 | priv->dwRxAntennaSel = 1; | |
302433da | 256 | |
3ce54934 MP |
257 | if (priv->bTxRxAntInv == true) |
258 | priv->byRxAntennaMode = ANT_A; | |
302433da | 259 | else |
3ce54934 | 260 | priv->byRxAntennaMode = ANT_B; |
302433da | 261 | } else { |
3ce54934 MP |
262 | priv->byAntennaCount = 1; |
263 | priv->dwTxAntennaSel = 0; | |
264 | priv->dwRxAntennaSel = 0; | |
302433da | 265 | |
3ce54934 MP |
266 | if (antenna & EEP_ANTENNA_AUX) { |
267 | priv->byTxAntennaMode = ANT_A; | |
302433da | 268 | |
3ce54934 MP |
269 | if (priv->bTxRxAntInv == true) |
270 | priv->byRxAntennaMode = ANT_B; | |
302433da | 271 | else |
3ce54934 | 272 | priv->byRxAntennaMode = ANT_A; |
302433da | 273 | } else { |
3ce54934 | 274 | priv->byTxAntennaMode = ANT_B; |
302433da | 275 | |
3ce54934 MP |
276 | if (priv->bTxRxAntInv == true) |
277 | priv->byRxAntennaMode = ANT_A; | |
302433da | 278 | else |
3ce54934 | 279 | priv->byRxAntennaMode = ANT_B; |
302433da MP |
280 | } |
281 | } | |
282 | ||
ed0db513 | 283 | /* Set initial antenna mode */ |
3ce54934 | 284 | vnt_set_antenna_mode(priv, priv->byRxAntennaMode); |
ed0db513 | 285 | |
ec6e0f63 | 286 | /* get Auto Fall Back type */ |
3ce54934 | 287 | priv->byAutoFBCtrl = AUTO_FB_0; |
92b96797 | 288 | |
ec6e0f63 | 289 | /* default Auto Mode */ |
3ce54934 | 290 | priv->byBBType = BB_TYPE_11G; |
92b96797 | 291 | |
ec6e0f63 | 292 | /* get RFType */ |
3ce54934 | 293 | priv->byRFType = init_rsp->rf_type; |
92b96797 | 294 | |
ec6e0f63 | 295 | /* load vt3266 calibration parameters in EEPROM */ |
3ce54934 MP |
296 | if (priv->byRFType == RF_VT3226D0) { |
297 | if ((priv->abyEEPROM[EEP_OFS_MAJOR_VER] == 0x1) && | |
298 | (priv->abyEEPROM[EEP_OFS_MINOR_VER] >= 0x4)) { | |
299 | ||
300 | calib_tx_iq = priv->abyEEPROM[EEP_OFS_CALIB_TX_IQ]; | |
301 | calib_tx_dc = priv->abyEEPROM[EEP_OFS_CALIB_TX_DC]; | |
302 | calib_rx_iq = priv->abyEEPROM[EEP_OFS_CALIB_RX_IQ]; | |
303 | if (calib_tx_iq || calib_tx_dc || calib_rx_iq) { | |
33e9ab3d PST |
304 | /* CR255, enable TX/RX IQ and |
305 | DC compensation mode */ | |
3ce54934 | 306 | vnt_control_out_u8(priv, |
33e9ab3d PST |
307 | MESSAGE_REQUEST_BBREG, |
308 | 0xff, | |
309 | 0x03); | |
310 | /* CR251, TX I/Q Imbalance Calibration */ | |
3ce54934 | 311 | vnt_control_out_u8(priv, |
33e9ab3d PST |
312 | MESSAGE_REQUEST_BBREG, |
313 | 0xfb, | |
3ce54934 | 314 | calib_tx_iq); |
33e9ab3d | 315 | /* CR252, TX DC-Offset Calibration */ |
3ce54934 | 316 | vnt_control_out_u8(priv, |
33e9ab3d PST |
317 | MESSAGE_REQUEST_BBREG, |
318 | 0xfC, | |
3ce54934 | 319 | calib_tx_dc); |
33e9ab3d | 320 | /* CR253, RX I/Q Imbalance Calibration */ |
3ce54934 | 321 | vnt_control_out_u8(priv, |
33e9ab3d PST |
322 | MESSAGE_REQUEST_BBREG, |
323 | 0xfd, | |
3ce54934 | 324 | calib_rx_iq); |
302433da | 325 | } else { |
33e9ab3d PST |
326 | /* CR255, turn off |
327 | BB Calibration compensation */ | |
3ce54934 | 328 | vnt_control_out_u8(priv, |
33e9ab3d PST |
329 | MESSAGE_REQUEST_BBREG, |
330 | 0xff, | |
331 | 0x0); | |
302433da MP |
332 | } |
333 | } | |
334 | } | |
cbc06fb1 | 335 | |
ec6e0f63 | 336 | /* get permanent network address */ |
3ce54934 MP |
337 | memcpy(priv->abyPermanentNetAddr, init_rsp->net_addr, 6); |
338 | memcpy(priv->abyCurrentNetAddr, | |
339 | priv->abyPermanentNetAddr, ETH_ALEN); | |
92b96797 | 340 | |
ec6e0f63 | 341 | /* if exist SW network address, use it */ |
4e62dcc9 | 342 | dev_dbg(&priv->usb->dev, "Network address = %pM\n", |
3ce54934 | 343 | priv->abyCurrentNetAddr); |
92b96797 | 344 | |
cbc06fb1 MP |
345 | /* |
346 | * set BB and packet type at the same time | |
347 | * set Short Slot Time, xIFS, and RSPINF | |
348 | */ | |
3ce54934 MP |
349 | if (priv->byBBType == BB_TYPE_11A) |
350 | priv->bShortSlotTime = true; | |
d35d5fbb | 351 | else |
3ce54934 | 352 | priv->bShortSlotTime = false; |
cbc06fb1 | 353 | |
3ce54934 | 354 | vnt_set_short_slot_time(priv); |
cbc06fb1 | 355 | |
3ce54934 | 356 | priv->byRadioCtl = priv->abyEEPROM[EEP_OFS_RADIOCTL]; |
cbc06fb1 | 357 | |
3ce54934 MP |
358 | if ((priv->byRadioCtl & EEP_RADIOCTL_ENABLE) != 0) { |
359 | status = vnt_control_in(priv, MESSAGE_TYPE_READ, | |
360 | MAC_REG_GPIOCTL1, MESSAGE_REQUEST_MACREG, 1, &tmp); | |
cbc06fb1 | 361 | |
3ce54934 | 362 | if (status != STATUS_SUCCESS) |
cbc06fb1 | 363 | return false; |
cbc06fb1 | 364 | |
d7f2d8f6 | 365 | if ((tmp & GPIO3_DATA) == 0) |
3ce54934 | 366 | vnt_mac_reg_bits_on(priv, MAC_REG_GPIOCTL1, |
36957537 | 367 | GPIO3_INTMD); |
d7f2d8f6 | 368 | else |
3ce54934 | 369 | vnt_mac_reg_bits_off(priv, MAC_REG_GPIOCTL1, |
a9bed1df | 370 | GPIO3_INTMD); |
cbc06fb1 MP |
371 | } |
372 | ||
3ce54934 | 373 | vnt_mac_set_led(priv, LEDSTS_TMLEN, 0x38); |
cbc06fb1 | 374 | |
3ce54934 | 375 | vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_SLOW); |
cbc06fb1 | 376 | |
3ce54934 | 377 | vnt_mac_reg_bits_on(priv, MAC_REG_GPIOCTL0, 0x01); |
cbc06fb1 | 378 | |
d7f2d8f6 | 379 | vnt_radio_power_on(priv); |
cbc06fb1 | 380 | |
4e62dcc9 | 381 | dev_dbg(&priv->usb->dev, "<----INIbInitAdapter Exit\n"); |
cbc06fb1 MP |
382 | |
383 | return true; | |
92b96797 FB |
384 | } |
385 | ||
f2625c24 | 386 | static void device_free_tx_bufs(struct vnt_private *priv) |
8611a29a | 387 | { |
f2625c24 MP |
388 | struct vnt_usb_send_context *tx_context; |
389 | int ii; | |
390 | ||
391 | for (ii = 0; ii < priv->cbTD; ii++) { | |
f7e4a8f4 | 392 | tx_context = priv->tx_context[ii]; |
f2625c24 | 393 | /* deallocate URBs */ |
30a05b39 MP |
394 | if (tx_context->urb) { |
395 | usb_kill_urb(tx_context->urb); | |
396 | usb_free_urb(tx_context->urb); | |
f2625c24 MP |
397 | } |
398 | ||
399 | kfree(tx_context); | |
400 | } | |
401 | ||
402 | return; | |
92b96797 FB |
403 | } |
404 | ||
afc5eeb8 | 405 | static void device_free_rx_bufs(struct vnt_private *priv) |
8611a29a | 406 | { |
afc5eeb8 | 407 | struct vnt_rcb *rcb; |
115cac2e | 408 | int ii; |
92b96797 | 409 | |
6da4738f | 410 | for (ii = 0; ii < priv->num_rcb; ii++) { |
8577011c | 411 | rcb = priv->rcb[ii]; |
8cffb3cf MP |
412 | if (!rcb) |
413 | continue; | |
92b96797 | 414 | |
afc5eeb8 | 415 | /* deallocate URBs */ |
325de984 MP |
416 | if (rcb->urb) { |
417 | usb_kill_urb(rcb->urb); | |
418 | usb_free_urb(rcb->urb); | |
afc5eeb8 | 419 | } |
92b96797 | 420 | |
afc5eeb8 MP |
421 | /* deallocate skb */ |
422 | if (rcb->skb) | |
423 | dev_kfree_skb(rcb->skb); | |
afc5eeb8 | 424 | |
8cffb3cf MP |
425 | kfree(rcb); |
426 | } | |
afc5eeb8 MP |
427 | |
428 | return; | |
92b96797 FB |
429 | } |
430 | ||
76d382fc | 431 | static void usb_device_reset(struct vnt_private *priv) |
92b96797 | 432 | { |
42b138d9 PST |
433 | int status; |
434 | ||
76d382fc | 435 | status = usb_reset_device(priv->usb); |
92b96797 | 436 | if (status) |
76d382fc | 437 | dev_warn(&priv->usb->dev, |
d9cf2f9e | 438 | "usb_device_reset fail status=%d\n", status); |
92b96797 FB |
439 | return ; |
440 | } | |
92b96797 | 441 | |
1506bf37 | 442 | static void device_free_int_bufs(struct vnt_private *priv) |
8611a29a | 443 | { |
1506bf37 MP |
444 | kfree(priv->int_buf.data_buf); |
445 | ||
f764e00d | 446 | return; |
92b96797 FB |
447 | } |
448 | ||
35491de7 | 449 | static bool device_alloc_bufs(struct vnt_private *priv) |
dd0a774f | 450 | { |
35491de7 MP |
451 | struct vnt_usb_send_context *tx_context; |
452 | struct vnt_rcb *rcb; | |
115cac2e | 453 | int ii; |
92b96797 | 454 | |
35491de7 MP |
455 | for (ii = 0; ii < priv->cbTD; ii++) { |
456 | tx_context = kmalloc(sizeof(struct vnt_usb_send_context), | |
457 | GFP_KERNEL); | |
458 | if (tx_context == NULL) { | |
31580eb5 MP |
459 | dev_err(&priv->usb->dev, |
460 | "allocate tx usb context failed\n"); | |
35491de7 MP |
461 | goto free_tx; |
462 | } | |
92b96797 | 463 | |
f7e4a8f4 | 464 | priv->tx_context[ii] = tx_context; |
30a05b39 | 465 | tx_context->priv = priv; |
71d764ae | 466 | tx_context->pkt_no = ii; |
35491de7 MP |
467 | |
468 | /* allocate URBs */ | |
30a05b39 MP |
469 | tx_context->urb = usb_alloc_urb(0, GFP_ATOMIC); |
470 | if (!tx_context->urb) { | |
b4ae135e | 471 | dev_err(&priv->usb->dev, "alloc tx urb failed\n"); |
35491de7 MP |
472 | goto free_tx; |
473 | } | |
92b96797 | 474 | |
30a05b39 | 475 | tx_context->in_use = false; |
35491de7 MP |
476 | } |
477 | ||
6da4738f | 478 | for (ii = 0; ii < priv->num_rcb; ii++) { |
8577011c MP |
479 | priv->rcb[ii] = kzalloc(sizeof(struct vnt_rcb), GFP_KERNEL); |
480 | if (!priv->rcb[ii]) { | |
8cffb3cf MP |
481 | dev_err(&priv->usb->dev, |
482 | "failed to allocate rcb no %d\n", ii); | |
483 | goto free_rx_tx; | |
484 | } | |
115cac2e | 485 | |
8577011c | 486 | rcb = priv->rcb[ii]; |
92b96797 | 487 | |
325de984 | 488 | rcb->priv = priv; |
92b96797 | 489 | |
35491de7 | 490 | /* allocate URBs */ |
325de984 MP |
491 | rcb->urb = usb_alloc_urb(0, GFP_ATOMIC); |
492 | if (rcb->urb == NULL) { | |
b4ae135e | 493 | dev_err(&priv->usb->dev, "Failed to alloc rx urb\n"); |
35491de7 MP |
494 | goto free_rx_tx; |
495 | } | |
92b96797 | 496 | |
63b9907f | 497 | rcb->skb = dev_alloc_skb(priv->rx_buf_sz); |
35491de7 | 498 | if (rcb->skb == NULL) { |
b4ae135e | 499 | dev_err(&priv->usb->dev, "Failed to alloc rx skb\n"); |
35491de7 MP |
500 | goto free_rx_tx; |
501 | } | |
92b96797 | 502 | |
325de984 | 503 | rcb->in_use = false; |
35491de7 | 504 | |
8cffb3cf | 505 | /* submit rx urb */ |
2dc37af0 | 506 | if (vnt_submit_rx_urb(priv, rcb)) |
8cffb3cf | 507 | goto free_rx_tx; |
92b96797 FB |
508 | } |
509 | ||
3d582487 MP |
510 | priv->interrupt_urb = usb_alloc_urb(0, GFP_ATOMIC); |
511 | if (priv->interrupt_urb == NULL) { | |
b4ae135e | 512 | dev_err(&priv->usb->dev, "Failed to alloc int urb\n"); |
35491de7 | 513 | goto free_rx_tx; |
92b96797 FB |
514 | } |
515 | ||
35491de7 MP |
516 | priv->int_buf.data_buf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL); |
517 | if (priv->int_buf.data_buf == NULL) { | |
b4ae135e | 518 | dev_err(&priv->usb->dev, "Failed to alloc int buf\n"); |
3d582487 | 519 | usb_free_urb(priv->interrupt_urb); |
35491de7 MP |
520 | goto free_rx_tx; |
521 | } | |
522 | ||
523 | return true; | |
92b96797 FB |
524 | |
525 | free_rx_tx: | |
35491de7 | 526 | device_free_rx_bufs(priv); |
92b96797 FB |
527 | |
528 | free_tx: | |
35491de7 | 529 | device_free_tx_bufs(priv); |
92b96797 | 530 | |
e269fc2d | 531 | return false; |
92b96797 FB |
532 | } |
533 | ||
db8f37fa MP |
534 | static void vnt_tx_80211(struct ieee80211_hw *hw, |
535 | struct ieee80211_tx_control *control, struct sk_buff *skb) | |
536 | { | |
537 | struct vnt_private *priv = hw->priv; | |
538 | ||
539 | ieee80211_stop_queues(hw); | |
540 | ||
541 | if (vnt_tx_packet(priv, skb)) { | |
542 | ieee80211_free_txskb(hw, skb); | |
543 | ||
544 | ieee80211_wake_queues(hw); | |
545 | } | |
546 | } | |
547 | ||
548 | static int vnt_start(struct ieee80211_hw *hw) | |
549 | { | |
550 | struct vnt_private *priv = hw->priv; | |
551 | ||
552 | priv->rx_buf_sz = MAX_TOTAL_SIZE_WITH_ALL_HEADERS; | |
553 | ||
554 | if (device_alloc_bufs(priv) == false) { | |
555 | dev_dbg(&priv->usb->dev, "device_alloc_bufs fail...\n"); | |
556 | return -ENOMEM; | |
557 | } | |
558 | ||
559 | MP_CLEAR_FLAG(priv, fMP_DISCONNECTED); | |
560 | MP_SET_FLAG(priv, fMP_POST_READS); | |
561 | MP_SET_FLAG(priv, fMP_POST_WRITES); | |
562 | ||
563 | if (device_init_registers(priv) == false) { | |
564 | dev_dbg(&priv->usb->dev, " init register fail\n"); | |
565 | goto free_all; | |
566 | } | |
567 | ||
568 | priv->int_interval = 1; /* bInterval is set to 1 */ | |
569 | ||
62001939 | 570 | vnt_int_start_interrupt(priv); |
db8f37fa MP |
571 | |
572 | priv->flags |= DEVICE_FLAGS_OPENED; | |
573 | ||
574 | ieee80211_wake_queues(hw); | |
575 | ||
576 | return 0; | |
577 | ||
578 | free_all: | |
579 | device_free_rx_bufs(priv); | |
580 | device_free_tx_bufs(priv); | |
581 | device_free_int_bufs(priv); | |
582 | ||
3d582487 MP |
583 | usb_kill_urb(priv->interrupt_urb); |
584 | usb_free_urb(priv->interrupt_urb); | |
db8f37fa MP |
585 | |
586 | return -ENOMEM; | |
587 | } | |
588 | ||
589 | static void vnt_stop(struct ieee80211_hw *hw) | |
590 | { | |
591 | struct vnt_private *priv = hw->priv; | |
592 | int i; | |
593 | ||
594 | if (!priv) | |
595 | return; | |
596 | ||
597 | for (i = 0; i < MAX_KEY_TABLE; i++) | |
598 | vnt_mac_disable_keyentry(priv, i); | |
599 | ||
600 | /* clear all keys */ | |
601 | priv->key_entry_inuse = 0; | |
602 | ||
603 | if ((priv->flags & DEVICE_FLAGS_UNPLUG) == false) | |
604 | vnt_mac_shutdown(priv); | |
605 | ||
606 | ieee80211_stop_queues(hw); | |
607 | ||
608 | MP_SET_FLAG(priv, fMP_DISCONNECTED); | |
609 | MP_CLEAR_FLAG(priv, fMP_POST_WRITES); | |
610 | MP_CLEAR_FLAG(priv, fMP_POST_READS); | |
611 | ||
612 | cancel_delayed_work_sync(&priv->run_command_work); | |
db8f37fa | 613 | |
33a60b87 | 614 | priv->cmd_running = false; |
db8f37fa MP |
615 | |
616 | priv->flags &= ~DEVICE_FLAGS_OPENED; | |
617 | ||
618 | device_free_tx_bufs(priv); | |
619 | device_free_rx_bufs(priv); | |
620 | device_free_int_bufs(priv); | |
621 | ||
3d582487 MP |
622 | usb_kill_urb(priv->interrupt_urb); |
623 | usb_free_urb(priv->interrupt_urb); | |
db8f37fa MP |
624 | |
625 | return; | |
626 | } | |
627 | ||
628 | static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
629 | { | |
630 | struct vnt_private *priv = hw->priv; | |
631 | ||
632 | priv->vif = vif; | |
633 | ||
634 | switch (vif->type) { | |
635 | case NL80211_IFTYPE_STATION: | |
636 | break; | |
637 | case NL80211_IFTYPE_ADHOC: | |
638 | vnt_mac_reg_bits_off(priv, MAC_REG_RCR, RCR_UNICAST); | |
639 | ||
640 | vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_ADHOC); | |
641 | ||
642 | break; | |
643 | case NL80211_IFTYPE_AP: | |
644 | vnt_mac_reg_bits_off(priv, MAC_REG_RCR, RCR_UNICAST); | |
645 | ||
646 | vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_AP); | |
647 | ||
648 | break; | |
649 | default: | |
650 | return -EOPNOTSUPP; | |
651 | } | |
652 | ||
653 | priv->op_mode = vif->type; | |
654 | ||
1ecd083e MP |
655 | vnt_set_bss_mode(priv); |
656 | ||
db8f37fa MP |
657 | /* LED blink on TX */ |
658 | vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_INTER); | |
659 | ||
660 | return 0; | |
661 | } | |
662 | ||
663 | static void vnt_remove_interface(struct ieee80211_hw *hw, | |
664 | struct ieee80211_vif *vif) | |
665 | { | |
666 | struct vnt_private *priv = hw->priv; | |
667 | ||
668 | switch (vif->type) { | |
669 | case NL80211_IFTYPE_STATION: | |
670 | break; | |
671 | case NL80211_IFTYPE_ADHOC: | |
672 | vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX); | |
673 | vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); | |
674 | vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_ADHOC); | |
675 | break; | |
676 | case NL80211_IFTYPE_AP: | |
677 | vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX); | |
678 | vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); | |
679 | vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_AP); | |
680 | break; | |
681 | default: | |
682 | break; | |
683 | } | |
684 | ||
685 | vnt_radio_power_off(priv); | |
686 | ||
687 | priv->op_mode = NL80211_IFTYPE_UNSPECIFIED; | |
688 | ||
689 | /* LED slow blink */ | |
690 | vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_SLOW); | |
691 | ||
692 | return; | |
693 | } | |
694 | ||
695 | static int vnt_config(struct ieee80211_hw *hw, u32 changed) | |
696 | { | |
697 | struct vnt_private *priv = hw->priv; | |
698 | struct ieee80211_conf *conf = &hw->conf; | |
699 | u8 bb_type; | |
700 | ||
701 | if (changed & IEEE80211_CONF_CHANGE_PS) { | |
702 | if (conf->flags & IEEE80211_CONF_PS) | |
703 | vnt_enable_power_saving(priv, conf->listen_interval); | |
704 | else | |
705 | vnt_disable_power_saving(priv); | |
706 | } | |
707 | ||
708 | if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || | |
709 | (conf->flags & IEEE80211_CONF_OFFCHANNEL)) { | |
710 | vnt_set_channel(priv, conf->chandef.chan->hw_value); | |
711 | ||
712 | if (conf->chandef.chan->band == IEEE80211_BAND_5GHZ) | |
713 | bb_type = BB_TYPE_11A; | |
714 | else | |
715 | bb_type = BB_TYPE_11G; | |
716 | ||
717 | if (priv->byBBType != bb_type) { | |
718 | priv->byBBType = bb_type; | |
719 | ||
720 | vnt_set_bss_mode(priv); | |
721 | } | |
722 | } | |
723 | ||
724 | if (changed & IEEE80211_CONF_CHANGE_POWER) { | |
725 | if (priv->byBBType == BB_TYPE_11B) | |
726 | priv->wCurrentRate = RATE_1M; | |
727 | else | |
728 | priv->wCurrentRate = RATE_54M; | |
729 | ||
730 | vnt_rf_setpower(priv, priv->wCurrentRate, | |
731 | conf->chandef.chan->hw_value); | |
732 | } | |
733 | ||
734 | return 0; | |
735 | } | |
736 | ||
737 | static void vnt_bss_info_changed(struct ieee80211_hw *hw, | |
738 | struct ieee80211_vif *vif, struct ieee80211_bss_conf *conf, | |
739 | u32 changed) | |
740 | { | |
741 | struct vnt_private *priv = hw->priv; | |
14c5e41f | 742 | |
db8f37fa MP |
743 | priv->current_aid = conf->aid; |
744 | ||
745 | if (changed & BSS_CHANGED_BSSID) | |
746 | vnt_mac_set_bssid_addr(priv, (u8 *)conf->bssid); | |
747 | ||
748 | ||
749 | if (changed & BSS_CHANGED_BASIC_RATES) { | |
750 | priv->wBasicRate = conf->basic_rates; | |
751 | ||
752 | vnt_update_top_rates(priv); | |
753 | ||
754 | dev_dbg(&priv->usb->dev, "basic rates %x\n", conf->basic_rates); | |
755 | } | |
756 | ||
757 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
758 | if (conf->use_short_preamble) { | |
759 | vnt_mac_enable_barker_preamble_mode(priv); | |
760 | priv->byPreambleType = true; | |
761 | } else { | |
762 | vnt_mac_disable_barker_preamble_mode(priv); | |
763 | priv->byPreambleType = false; | |
764 | } | |
765 | } | |
766 | ||
767 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
768 | if (conf->use_cts_prot) | |
769 | vnt_mac_enable_protect_mode(priv); | |
770 | else | |
771 | vnt_mac_disable_protect_mode(priv); | |
772 | } | |
773 | ||
774 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
775 | if (conf->use_short_slot) | |
776 | priv->bShortSlotTime = true; | |
777 | else | |
778 | priv->bShortSlotTime = false; | |
779 | ||
3c956cc0 | 780 | vnt_set_short_slot_time(priv); |
de8690a2 | 781 | vnt_set_vga_gain_offset(priv, priv->abyBBVGA[0]); |
80dcc0ae | 782 | vnt_update_pre_ed_threshold(priv, false); |
db8f37fa MP |
783 | } |
784 | ||
785 | if (changed & BSS_CHANGED_TXPOWER) | |
786 | vnt_rf_setpower(priv, priv->wCurrentRate, | |
787 | conf->chandef.chan->hw_value); | |
788 | ||
789 | if (changed & BSS_CHANGED_BEACON_ENABLED) { | |
790 | dev_dbg(&priv->usb->dev, | |
791 | "Beacon enable %d\n", conf->enable_beacon); | |
792 | ||
793 | if (conf->enable_beacon) { | |
794 | vnt_beacon_enable(priv, vif, conf); | |
795 | ||
796 | vnt_mac_reg_bits_on(priv, MAC_REG_TCR, TCR_AUTOBCNTX); | |
797 | } else { | |
798 | vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX); | |
799 | } | |
800 | } | |
801 | } | |
802 | ||
803 | static u64 vnt_prepare_multicast(struct ieee80211_hw *hw, | |
804 | struct netdev_hw_addr_list *mc_list) | |
805 | { | |
806 | struct vnt_private *priv = hw->priv; | |
807 | struct netdev_hw_addr *ha; | |
808 | u64 mc_filter = 0; | |
809 | u32 bit_nr = 0; | |
810 | ||
811 | netdev_hw_addr_list_for_each(ha, mc_list) { | |
812 | bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; | |
813 | ||
814 | mc_filter |= 1ULL << (bit_nr & 0x3f); | |
815 | } | |
816 | ||
817 | priv->mc_list_count = mc_list->count; | |
818 | ||
819 | return mc_filter; | |
820 | } | |
821 | ||
822 | static void vnt_configure(struct ieee80211_hw *hw, | |
823 | unsigned int changed_flags, unsigned int *total_flags, u64 multicast) | |
824 | { | |
825 | struct vnt_private *priv = hw->priv; | |
826 | u8 rx_mode = 0; | |
827 | int rc; | |
828 | ||
829 | *total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_PROMISC_IN_BSS | | |
830 | FIF_BCN_PRBRESP_PROMISC; | |
831 | ||
832 | rc = vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR, | |
833 | MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode); | |
834 | ||
835 | if (!rc) | |
836 | rx_mode = RCR_MULTICAST | RCR_BROADCAST; | |
837 | ||
838 | dev_dbg(&priv->usb->dev, "rx mode in = %x\n", rx_mode); | |
839 | ||
840 | if (changed_flags & FIF_PROMISC_IN_BSS) { | |
841 | /* unconditionally log net taps */ | |
842 | if (*total_flags & FIF_PROMISC_IN_BSS) | |
843 | rx_mode |= RCR_UNICAST; | |
844 | else | |
845 | rx_mode &= ~RCR_UNICAST; | |
846 | } | |
847 | ||
848 | if (changed_flags & FIF_ALLMULTI) { | |
849 | if (*total_flags & FIF_ALLMULTI) { | |
850 | if (priv->mc_list_count > 2) | |
851 | vnt_mac_set_filter(priv, ~0); | |
852 | else | |
853 | vnt_mac_set_filter(priv, multicast); | |
854 | ||
855 | rx_mode |= RCR_MULTICAST | RCR_BROADCAST; | |
856 | } else { | |
857 | rx_mode &= ~(RCR_MULTICAST | RCR_BROADCAST); | |
858 | } | |
859 | ||
860 | } | |
861 | ||
862 | if (changed_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) { | |
863 | if (*total_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) | |
864 | rx_mode &= ~RCR_BSSID; | |
865 | else | |
866 | rx_mode |= RCR_BSSID; | |
867 | } | |
868 | ||
869 | vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG, MAC_REG_RCR, rx_mode); | |
870 | ||
871 | dev_dbg(&priv->usb->dev, "rx mode out= %x\n", rx_mode); | |
872 | ||
873 | return; | |
874 | } | |
875 | ||
876 | static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
877 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, | |
878 | struct ieee80211_key_conf *key) | |
879 | { | |
880 | struct vnt_private *priv = hw->priv; | |
881 | ||
882 | switch (cmd) { | |
883 | case SET_KEY: | |
884 | if (vnt_set_keys(hw, sta, vif, key)) | |
885 | return -EOPNOTSUPP; | |
886 | break; | |
887 | case DISABLE_KEY: | |
888 | if (test_bit(key->hw_key_idx, &priv->key_entry_inuse)) | |
889 | clear_bit(key->hw_key_idx, &priv->key_entry_inuse); | |
890 | default: | |
891 | break; | |
892 | } | |
893 | ||
894 | return 0; | |
895 | } | |
896 | ||
897 | static void vnt_sw_scan_start(struct ieee80211_hw *hw) | |
898 | { | |
899 | struct vnt_private *priv = hw->priv; | |
900 | ||
1ecd083e | 901 | vnt_set_bss_mode(priv); |
db8f37fa | 902 | /* Set max sensitivity*/ |
80dcc0ae | 903 | vnt_update_pre_ed_threshold(priv, true); |
db8f37fa MP |
904 | } |
905 | ||
906 | static void vnt_sw_scan_complete(struct ieee80211_hw *hw) | |
907 | { | |
908 | struct vnt_private *priv = hw->priv; | |
909 | ||
910 | /* Return sensitivity to channel level*/ | |
80dcc0ae | 911 | vnt_update_pre_ed_threshold(priv, false); |
db8f37fa MP |
912 | } |
913 | ||
1786384e MP |
914 | static int vnt_get_stats(struct ieee80211_hw *hw, |
915 | struct ieee80211_low_level_stats *stats) | |
916 | { | |
917 | struct vnt_private *priv = hw->priv; | |
918 | ||
919 | memcpy(stats, &priv->low_stats, sizeof(*stats)); | |
920 | ||
921 | return 0; | |
922 | } | |
923 | ||
db8f37fa MP |
924 | static u64 vnt_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
925 | { | |
926 | struct vnt_private *priv = hw->priv; | |
927 | ||
928 | return priv->qwCurrTSF; | |
929 | } | |
930 | ||
931 | static void vnt_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
932 | u64 tsf) | |
933 | { | |
934 | struct vnt_private *priv = hw->priv; | |
935 | ||
936 | vnt_update_next_tbtt(priv, tsf, vif->bss_conf.beacon_int); | |
937 | } | |
938 | ||
939 | static void vnt_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
940 | { | |
941 | struct vnt_private *priv = hw->priv; | |
942 | ||
943 | vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); | |
944 | ||
945 | vnt_clear_current_tsf(priv); | |
946 | } | |
947 | ||
948 | static const struct ieee80211_ops vnt_mac_ops = { | |
949 | .tx = vnt_tx_80211, | |
950 | .start = vnt_start, | |
951 | .stop = vnt_stop, | |
952 | .add_interface = vnt_add_interface, | |
953 | .remove_interface = vnt_remove_interface, | |
954 | .config = vnt_config, | |
955 | .bss_info_changed = vnt_bss_info_changed, | |
956 | .prepare_multicast = vnt_prepare_multicast, | |
957 | .configure_filter = vnt_configure, | |
958 | .set_key = vnt_set_key, | |
959 | .sw_scan_start = vnt_sw_scan_start, | |
960 | .sw_scan_complete = vnt_sw_scan_complete, | |
1786384e | 961 | .get_stats = vnt_get_stats, |
db8f37fa MP |
962 | .get_tsf = vnt_get_tsf, |
963 | .set_tsf = vnt_set_tsf, | |
964 | .reset_tsf = vnt_reset_tsf, | |
965 | }; | |
966 | ||
967 | int vnt_init(struct vnt_private *priv) | |
968 | { | |
969 | ||
970 | if (!(device_init_registers(priv))) | |
971 | return -EAGAIN; | |
972 | ||
973 | SET_IEEE80211_PERM_ADDR(priv->hw, priv->abyPermanentNetAddr); | |
974 | ||
110f97e9 MP |
975 | vnt_init_bands(priv); |
976 | ||
db8f37fa MP |
977 | if (ieee80211_register_hw(priv->hw)) |
978 | return -ENODEV; | |
979 | ||
30816f83 MP |
980 | priv->mac_hw = true; |
981 | ||
ba911c9b MP |
982 | vnt_radio_power_off(priv); |
983 | ||
db8f37fa MP |
984 | return 0; |
985 | } | |
986 | ||
987 | static int | |
988 | vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
989 | { | |
990 | struct usb_device *udev; | |
991 | struct vnt_private *priv; | |
992 | struct ieee80211_hw *hw; | |
993 | struct wiphy *wiphy; | |
994 | int rc = 0; | |
995 | ||
996 | udev = usb_get_dev(interface_to_usbdev(intf)); | |
997 | ||
998 | dev_notice(&udev->dev, "%s Ver. %s\n", | |
999 | DEVICE_FULL_DRV_NAM, DEVICE_VERSION); | |
1000 | dev_notice(&udev->dev, | |
1001 | "Copyright (c) 2004 VIA Networking Technologies, Inc.\n"); | |
1002 | ||
1003 | hw = ieee80211_alloc_hw(sizeof(struct vnt_private), &vnt_mac_ops); | |
1004 | if (!hw) { | |
1005 | dev_err(&udev->dev, "could not register ieee80211_hw\n"); | |
1006 | goto err_nomem; | |
1007 | } | |
1008 | ||
1009 | priv = hw->priv; | |
1010 | priv->hw = hw; | |
1011 | priv->usb = udev; | |
1012 | ||
1013 | device_set_options(priv); | |
1014 | ||
1015 | spin_lock_init(&priv->lock); | |
1016 | mutex_init(&priv->usb_lock); | |
1017 | ||
592365ae | 1018 | INIT_DELAYED_WORK(&priv->run_command_work, vnt_run_command); |
db8f37fa | 1019 | |
db8f37fa MP |
1020 | usb_set_intfdata(intf, priv); |
1021 | ||
1022 | wiphy = priv->hw->wiphy; | |
1023 | ||
1024 | wiphy->frag_threshold = FRAG_THRESH_DEF; | |
1025 | wiphy->rts_threshold = RTS_THRESH_DEF; | |
1026 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
1027 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); | |
1028 | ||
1029 | priv->hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | | |
1030 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | | |
1031 | IEEE80211_HW_SIGNAL_DBM | | |
1032 | IEEE80211_HW_TIMING_BEACON_ONLY; | |
1033 | ||
1034 | priv->hw->rate_control_algorithm = "pid"; | |
1035 | priv->hw->max_signal = 100; | |
1036 | ||
1037 | SET_IEEE80211_DEV(priv->hw, &intf->dev); | |
1038 | ||
1039 | usb_device_reset(priv); | |
1040 | ||
30816f83 | 1041 | MP_CLEAR_FLAG(priv, fMP_DISCONNECTED); |
68cc161e | 1042 | vnt_reset_command_timer(priv); |
30816f83 | 1043 | |
57981a65 | 1044 | vnt_schedule_command(priv, WLAN_CMD_INIT_MAC80211); |
30816f83 | 1045 | |
db8f37fa MP |
1046 | return 0; |
1047 | ||
1048 | err_nomem: | |
1049 | usb_put_dev(udev); | |
1050 | ||
1051 | return rc; | |
1052 | } | |
1053 | ||
0d7fe14f | 1054 | static void vt6656_disconnect(struct usb_interface *intf) |
92b96797 | 1055 | { |
db8f37fa | 1056 | struct vnt_private *priv = usb_get_intfdata(intf); |
92b96797 | 1057 | |
db8f37fa | 1058 | if (!priv) |
6cda24f5 | 1059 | return; |
92b96797 | 1060 | |
30816f83 MP |
1061 | if (priv->mac_hw) |
1062 | ieee80211_unregister_hw(priv->hw); | |
db8f37fa | 1063 | |
92b96797 | 1064 | usb_set_intfdata(intf, NULL); |
6cda24f5 | 1065 | usb_put_dev(interface_to_usbdev(intf)); |
92b96797 | 1066 | |
db8f37fa | 1067 | priv->flags |= DEVICE_FLAGS_UNPLUG; |
92b96797 | 1068 | |
db8f37fa | 1069 | ieee80211_free_hw(priv->hw); |
92b96797 FB |
1070 | } |
1071 | ||
db8f37fa MP |
1072 | #ifdef CONFIG_PM |
1073 | ||
1074 | static int vt6656_suspend(struct usb_interface *intf, pm_message_t message) | |
1075 | { | |
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | static int vt6656_resume(struct usb_interface *intf) | |
1080 | { | |
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | #endif /* CONFIG_PM */ | |
1085 | ||
26e5b65b | 1086 | MODULE_DEVICE_TABLE(usb, vt6656_table); |
92b96797 | 1087 | |
26e5b65b AM |
1088 | static struct usb_driver vt6656_driver = { |
1089 | .name = DEVICE_NAME, | |
1090 | .probe = vt6656_probe, | |
1091 | .disconnect = vt6656_disconnect, | |
1092 | .id_table = vt6656_table, | |
92b96797 | 1093 | #ifdef CONFIG_PM |
26e5b65b AM |
1094 | .suspend = vt6656_suspend, |
1095 | .resume = vt6656_resume, | |
1096 | #endif /* CONFIG_PM */ | |
92b96797 FB |
1097 | }; |
1098 | ||
bac2c126 | 1099 | module_usb_driver(vt6656_driver); |