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 | * | |
92b96797 FB |
15 | * |
16 | * File: main_usb.c | |
17 | * | |
18 | * Purpose: driver entry for initial, open, close, tx and rx. | |
19 | * | |
20 | * Author: Lyndon Chen | |
21 | * | |
22 | * Date: Dec 8, 2005 | |
23 | * | |
24 | * Functions: | |
25 | * | |
26e5b65b | 26 | * vt6656_probe - module initial (insmod) driver entry |
afc7ef64 | 27 | * vnt_free_tx_bufs - free tx buffer function |
500e1fb3 | 28 | * vnt_init_registers- initial MAC & BBP & RF internal registers. |
92b96797 FB |
29 | * |
30 | * Revision History: | |
31 | */ | |
32 | #undef __NO_VERSION__ | |
33 | ||
e2382233 | 34 | #include <linux/etherdevice.h> |
7c51d177 | 35 | #include <linux/file.h> |
92b96797 | 36 | #include "device.h" |
92b96797 | 37 | #include "card.h" |
92b96797 | 38 | #include "baseband.h" |
92b96797 | 39 | #include "mac.h" |
92b96797 | 40 | #include "power.h" |
92b96797 | 41 | #include "wcmd.h" |
92b96797 | 42 | #include "rxtx.h" |
92b96797 | 43 | #include "dpc.h" |
92b96797 | 44 | #include "rf.h" |
92b96797 | 45 | #include "firmware.h" |
62c8526d | 46 | #include "usbpipe.h" |
92b96797 | 47 | #include "channel.h" |
92b96797 | 48 | #include "int.h" |
92b96797 | 49 | |
ec6e0f63 AM |
50 | /* |
51 | * define module options | |
52 | */ | |
92b96797 | 53 | |
ec6e0f63 AM |
54 | /* version information */ |
55 | #define DRIVER_AUTHOR \ | |
56 | "VIA Networking Technologies, Inc., <lyndonchen@vntek.com.tw>" | |
92b96797 FB |
57 | MODULE_AUTHOR(DRIVER_AUTHOR); |
58 | MODULE_LICENSE("GPL"); | |
59 | MODULE_DESCRIPTION(DEVICE_FULL_DRV_NAM); | |
60 | ||
dbf0a03b | 61 | #define RX_DESC_DEF0 64 |
2f020ebc MP |
62 | static int vnt_rx_buffers = RX_DESC_DEF0; |
63 | module_param_named(rx_buffers, vnt_rx_buffers, int, 0644); | |
64 | MODULE_PARM_DESC(rx_buffers, "Number of receive usb rx buffers"); | |
92b96797 | 65 | |
dbf0a03b | 66 | #define TX_DESC_DEF0 64 |
3220e3a4 | 67 | static int vnt_tx_buffers = TX_DESC_DEF0; |
1b6953dd | 68 | module_param_named(tx_buffers, vnt_tx_buffers, int, 0644); |
3220e3a4 MP |
69 | MODULE_PARM_DESC(tx_buffers, "Number of receive usb tx buffers"); |
70 | ||
92b96797 | 71 | #define RTS_THRESH_DEF 2347 |
92b96797 | 72 | #define FRAG_THRESH_DEF 2346 |
92b96797 | 73 | #define SHORT_RETRY_DEF 8 |
92b96797 | 74 | #define LONG_RETRY_DEF 4 |
92b96797 | 75 | |
92b96797 | 76 | /* BasebandType[] baseband type selected |
d2713e51 | 77 | * 0: indicate 802.11a type |
78 | * 1: indicate 802.11b type | |
79 | * 2: indicate 802.11g type | |
80 | */ | |
92b96797 | 81 | |
24b46f9e | 82 | #define BBP_TYPE_DEF 2 |
92b96797 | 83 | |
ec6e0f63 AM |
84 | /* |
85 | * Static vars definitions | |
86 | */ | |
92b96797 | 87 | |
ee705c3b | 88 | static const struct usb_device_id vt6656_table[] = { |
92b96797 FB |
89 | {USB_DEVICE(VNT_USB_VENDOR_ID, VNT_USB_PRODUCT_ID)}, |
90 | {} | |
91 | }; | |
92 | ||
7665cf21 | 93 | static void vnt_set_options(struct vnt_private *priv) |
28e067f4 | 94 | { |
3220e3a4 MP |
95 | /* Set number of TX buffers */ |
96 | if (vnt_tx_buffers < CB_MIN_TX_DESC || vnt_tx_buffers > CB_MAX_TX_DESC) | |
03b7e354 | 97 | priv->num_tx_context = TX_DESC_DEF0; |
3220e3a4 | 98 | else |
03b7e354 | 99 | priv->num_tx_context = vnt_tx_buffers; |
2f020ebc MP |
100 | |
101 | /* Set number of RX buffers */ | |
102 | if (vnt_rx_buffers < CB_MIN_RX_DESC || vnt_rx_buffers > CB_MAX_RX_DESC) | |
6da4738f | 103 | priv->num_rcb = RX_DESC_DEF0; |
2f020ebc | 104 | else |
6da4738f | 105 | priv->num_rcb = vnt_rx_buffers; |
2f020ebc | 106 | |
388e5cb8 MP |
107 | priv->short_retry_limit = SHORT_RETRY_DEF; |
108 | priv->long_retry_limit = LONG_RETRY_DEF; | |
da3b67b3 | 109 | priv->op_mode = NL80211_IFTYPE_UNSPECIFIED; |
65df77e2 | 110 | priv->bb_type = BBP_TYPE_DEF; |
e12471db | 111 | priv->packet_type = priv->bb_type; |
a6177aef | 112 | priv->auto_fb_ctrl = AUTO_FB_0; |
98e93fe5 | 113 | priv->preamble_type = 0; |
35cc8f94 | 114 | priv->exist_sw_net_addr = false; |
92b96797 FB |
115 | } |
116 | ||
ec6e0f63 AM |
117 | /* |
118 | * initialization of MAC & BBP registers | |
119 | */ | |
500e1fb3 | 120 | static int vnt_init_registers(struct vnt_private *priv) |
92b96797 | 121 | { |
3ce54934 MP |
122 | struct vnt_cmd_card_init *init_cmd = &priv->init_command; |
123 | struct vnt_rsp_card_init *init_rsp = &priv->init_response; | |
124 | u8 antenna; | |
dd0a774f | 125 | int ii; |
3ce54934 MP |
126 | int status = STATUS_SUCCESS; |
127 | u8 tmp; | |
128 | u8 calib_tx_iq = 0, calib_tx_dc = 0, calib_rx_iq = 0; | |
92b96797 | 129 | |
4e62dcc9 | 130 | dev_dbg(&priv->usb->dev, "---->INIbInitAdapter. [%d][%d]\n", |
c6bf6d2d | 131 | DEVICE_INIT_COLD, priv->packet_type); |
302433da | 132 | |
3ce54934 MP |
133 | if (!vnt_check_firmware_version(priv)) { |
134 | if (vnt_download_firmware(priv) == true) { | |
135 | if (vnt_firmware_branch_to_sram(priv) == false) { | |
4e62dcc9 | 136 | dev_dbg(&priv->usb->dev, |
14321461 | 137 | " vnt_firmware_branch_to_sram fail\n"); |
cbc06fb1 MP |
138 | return false; |
139 | } | |
140 | } else { | |
4e62dcc9 | 141 | dev_dbg(&priv->usb->dev, "FIRMWAREbDownload fail\n"); |
cbc06fb1 MP |
142 | return false; |
143 | } | |
144 | } | |
145 | ||
3ce54934 | 146 | if (!vnt_vt3184_init(priv)) { |
4e62dcc9 | 147 | dev_dbg(&priv->usb->dev, "vnt_vt3184_init fail\n"); |
cbc06fb1 MP |
148 | return false; |
149 | } | |
92b96797 | 150 | |
748bf69c | 151 | init_cmd->init_class = DEVICE_INIT_COLD; |
35cc8f94 | 152 | init_cmd->exist_sw_net_addr = priv->exist_sw_net_addr; |
3d47a6fb | 153 | for (ii = 0; ii < 6; ii++) |
ebf9b312 | 154 | init_cmd->sw_net_addr[ii] = priv->current_net_addr[ii]; |
388e5cb8 MP |
155 | init_cmd->short_retry_limit = priv->short_retry_limit; |
156 | init_cmd->long_retry_limit = priv->long_retry_limit; | |
3d47a6fb MP |
157 | |
158 | /* issue card_init command to device */ | |
c6bf6d2d SM |
159 | status = vnt_control_out(priv, MESSAGE_TYPE_CARDINIT, 0, 0, |
160 | sizeof(struct vnt_cmd_card_init), | |
161 | (u8 *)init_cmd); | |
3ce54934 | 162 | if (status != STATUS_SUCCESS) { |
4e62dcc9 | 163 | dev_dbg(&priv->usb->dev, "Issue Card init fail\n"); |
cbc06fb1 MP |
164 | return false; |
165 | } | |
92b96797 | 166 | |
3ce54934 | 167 | status = vnt_control_in(priv, MESSAGE_TYPE_INIT_RSP, 0, 0, |
c6bf6d2d SM |
168 | sizeof(struct vnt_rsp_card_init), |
169 | (u8 *)init_rsp); | |
3ce54934 | 170 | if (status != STATUS_SUCCESS) { |
4e62dcc9 | 171 | dev_dbg(&priv->usb->dev, |
302433da | 172 | "Cardinit request in status fail!\n"); |
302433da MP |
173 | return false; |
174 | } | |
92b96797 | 175 | |
ec6e0f63 | 176 | /* local ID for AES functions */ |
c6bf6d2d SM |
177 | status = vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_LOCALID, |
178 | MESSAGE_REQUEST_MACREG, 1, &priv->local_id); | |
3ce54934 | 179 | if (status != STATUS_SUCCESS) |
302433da | 180 | return false; |
92b96797 | 181 | |
ec6e0f63 AM |
182 | /* do MACbSoftwareReset in MACvInitialize */ |
183 | ||
3c8a5b25 | 184 | priv->top_ofdm_basic_rate = RATE_24M; |
d80bf43c | 185 | priv->top_cck_basic_rate = RATE_1M; |
2486890a | 186 | |
ec6e0f63 | 187 | /* target to IF pin while programming to RF chip */ |
5a97491c | 188 | priv->power = 0xFF; |
92b96797 | 189 | |
5a97491c MP |
190 | priv->cck_pwr = priv->eeprom[EEP_OFS_PWR_CCK]; |
191 | priv->ofdm_pwr_g = priv->eeprom[EEP_OFS_PWR_OFDMG]; | |
ec6e0f63 AM |
192 | /* load power table */ |
193 | for (ii = 0; ii < 14; ii++) { | |
5a97491c | 194 | priv->cck_pwr_tbl[ii] = |
bbb11263 | 195 | priv->eeprom[ii + EEP_OFS_CCK_PWR_TBL]; |
5a97491c MP |
196 | if (priv->cck_pwr_tbl[ii] == 0) |
197 | priv->cck_pwr_tbl[ii] = priv->cck_pwr; | |
3ce54934 | 198 | |
5a97491c | 199 | priv->ofdm_pwr_tbl[ii] = |
bbb11263 | 200 | priv->eeprom[ii + EEP_OFS_OFDM_PWR_TBL]; |
5a97491c MP |
201 | if (priv->ofdm_pwr_tbl[ii] == 0) |
202 | priv->ofdm_pwr_tbl[ii] = priv->ofdm_pwr_g; | |
302433da | 203 | } |
92b96797 | 204 | |
ec6e0f63 AM |
205 | /* |
206 | * original zonetype is USA, but custom zonetype is Europe, | |
207 | * then need to recover 12, 13, 14 channels with 11 channel | |
208 | */ | |
9ef2184d | 209 | for (ii = 11; ii < 14; ii++) { |
5a97491c MP |
210 | priv->cck_pwr_tbl[ii] = priv->cck_pwr_tbl[10]; |
211 | priv->ofdm_pwr_tbl[ii] = priv->ofdm_pwr_tbl[10]; | |
302433da | 212 | } |
92b96797 | 213 | |
5a97491c | 214 | priv->ofdm_pwr_a = 0x34; /* same as RFbMA2829SelectChannel */ |
ec6e0f63 | 215 | |
302433da MP |
216 | /* load OFDM A power table */ |
217 | for (ii = 0; ii < CB_MAX_CHANNEL_5G; ii++) { | |
5a97491c | 218 | priv->ofdm_a_pwr_tbl[ii] = |
bbb11263 | 219 | priv->eeprom[ii + EEP_OFS_OFDMA_PWR_TBL]; |
302433da | 220 | |
5a97491c MP |
221 | if (priv->ofdm_a_pwr_tbl[ii] == 0) |
222 | priv->ofdm_a_pwr_tbl[ii] = priv->ofdm_pwr_a; | |
302433da | 223 | } |
92b96797 | 224 | |
bbb11263 | 225 | antenna = priv->eeprom[EEP_OFS_ANTENNA]; |
92b96797 | 226 | |
3ce54934 | 227 | if (antenna & EEP_ANTINV) |
2044dbdb | 228 | priv->tx_rx_ant_inv = true; |
302433da | 229 | else |
2044dbdb | 230 | priv->tx_rx_ant_inv = false; |
302433da | 231 | |
3ce54934 | 232 | antenna &= (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN); |
92b96797 | 233 | |
3ce54934 MP |
234 | if (antenna == 0) /* if not set default is both */ |
235 | antenna = (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN); | |
302433da | 236 | |
3ce54934 | 237 | if (antenna == (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN)) { |
2044dbdb MP |
238 | priv->tx_antenna_mode = ANT_B; |
239 | priv->rx_antenna_sel = 1; | |
302433da | 240 | |
f72ea988 | 241 | if (priv->tx_rx_ant_inv) |
2044dbdb | 242 | priv->rx_antenna_mode = ANT_A; |
302433da | 243 | else |
2044dbdb | 244 | priv->rx_antenna_mode = ANT_B; |
302433da | 245 | } else { |
2044dbdb | 246 | priv->rx_antenna_sel = 0; |
302433da | 247 | |
3ce54934 | 248 | if (antenna & EEP_ANTENNA_AUX) { |
2044dbdb | 249 | priv->tx_antenna_mode = ANT_A; |
302433da | 250 | |
f72ea988 | 251 | if (priv->tx_rx_ant_inv) |
2044dbdb | 252 | priv->rx_antenna_mode = ANT_B; |
302433da | 253 | else |
2044dbdb | 254 | priv->rx_antenna_mode = ANT_A; |
302433da | 255 | } else { |
2044dbdb | 256 | priv->tx_antenna_mode = ANT_B; |
302433da | 257 | |
f72ea988 | 258 | if (priv->tx_rx_ant_inv) |
2044dbdb | 259 | priv->rx_antenna_mode = ANT_A; |
302433da | 260 | else |
2044dbdb | 261 | priv->rx_antenna_mode = ANT_B; |
302433da MP |
262 | } |
263 | } | |
264 | ||
ed0db513 | 265 | /* Set initial antenna mode */ |
2044dbdb | 266 | vnt_set_antenna_mode(priv, priv->rx_antenna_mode); |
ed0db513 | 267 | |
ec6e0f63 | 268 | /* get Auto Fall Back type */ |
a6177aef | 269 | priv->auto_fb_ctrl = AUTO_FB_0; |
92b96797 | 270 | |
ec6e0f63 | 271 | /* default Auto Mode */ |
65df77e2 | 272 | priv->bb_type = BB_TYPE_11G; |
92b96797 | 273 | |
ec6e0f63 | 274 | /* get RFType */ |
6242ecae | 275 | priv->rf_type = init_rsp->rf_type; |
92b96797 | 276 | |
ec6e0f63 | 277 | /* load vt3266 calibration parameters in EEPROM */ |
6242ecae | 278 | if (priv->rf_type == RF_VT3226D0) { |
bbb11263 MP |
279 | if ((priv->eeprom[EEP_OFS_MAJOR_VER] == 0x1) && |
280 | (priv->eeprom[EEP_OFS_MINOR_VER] >= 0x4)) { | |
bbb11263 MP |
281 | calib_tx_iq = priv->eeprom[EEP_OFS_CALIB_TX_IQ]; |
282 | calib_tx_dc = priv->eeprom[EEP_OFS_CALIB_TX_DC]; | |
283 | calib_rx_iq = priv->eeprom[EEP_OFS_CALIB_RX_IQ]; | |
3ce54934 | 284 | if (calib_tx_iq || calib_tx_dc || calib_rx_iq) { |
33e9ab3d | 285 | /* CR255, enable TX/RX IQ and |
d2713e51 | 286 | * DC compensation mode |
287 | */ | |
3ce54934 | 288 | vnt_control_out_u8(priv, |
33e9ab3d PST |
289 | MESSAGE_REQUEST_BBREG, |
290 | 0xff, | |
291 | 0x03); | |
292 | /* CR251, TX I/Q Imbalance Calibration */ | |
3ce54934 | 293 | vnt_control_out_u8(priv, |
33e9ab3d PST |
294 | MESSAGE_REQUEST_BBREG, |
295 | 0xfb, | |
3ce54934 | 296 | calib_tx_iq); |
33e9ab3d | 297 | /* CR252, TX DC-Offset Calibration */ |
3ce54934 | 298 | vnt_control_out_u8(priv, |
33e9ab3d PST |
299 | MESSAGE_REQUEST_BBREG, |
300 | 0xfC, | |
3ce54934 | 301 | calib_tx_dc); |
33e9ab3d | 302 | /* CR253, RX I/Q Imbalance Calibration */ |
3ce54934 | 303 | vnt_control_out_u8(priv, |
33e9ab3d PST |
304 | MESSAGE_REQUEST_BBREG, |
305 | 0xfd, | |
3ce54934 | 306 | calib_rx_iq); |
302433da | 307 | } else { |
33e9ab3d | 308 | /* CR255, turn off |
d2713e51 | 309 | * BB Calibration compensation |
310 | */ | |
3ce54934 | 311 | vnt_control_out_u8(priv, |
33e9ab3d PST |
312 | MESSAGE_REQUEST_BBREG, |
313 | 0xff, | |
314 | 0x0); | |
302433da MP |
315 | } |
316 | } | |
317 | } | |
cbc06fb1 | 318 | |
ec6e0f63 | 319 | /* get permanent network address */ |
41e8321a | 320 | memcpy(priv->permanent_net_addr, init_rsp->net_addr, 6); |
e2382233 | 321 | ether_addr_copy(priv->current_net_addr, priv->permanent_net_addr); |
92b96797 | 322 | |
ec6e0f63 | 323 | /* if exist SW network address, use it */ |
4e62dcc9 | 324 | dev_dbg(&priv->usb->dev, "Network address = %pM\n", |
ebf9b312 | 325 | priv->current_net_addr); |
92b96797 | 326 | |
cbc06fb1 | 327 | /* |
2ce7b194 NA |
328 | * set BB and packet type at the same time |
329 | * set Short Slot Time, xIFS, and RSPINF | |
330 | */ | |
65df77e2 | 331 | if (priv->bb_type == BB_TYPE_11A) |
a641c9ec | 332 | priv->short_slot_time = true; |
d35d5fbb | 333 | else |
a641c9ec | 334 | priv->short_slot_time = false; |
cbc06fb1 | 335 | |
3ce54934 | 336 | vnt_set_short_slot_time(priv); |
cbc06fb1 | 337 | |
bbb11263 | 338 | priv->radio_ctl = priv->eeprom[EEP_OFS_RADIOCTL]; |
cbc06fb1 | 339 | |
2044dbdb | 340 | if ((priv->radio_ctl & EEP_RADIOCTL_ENABLE) != 0) { |
3ce54934 | 341 | status = vnt_control_in(priv, MESSAGE_TYPE_READ, |
c6bf6d2d SM |
342 | MAC_REG_GPIOCTL1, |
343 | MESSAGE_REQUEST_MACREG, 1, &tmp); | |
cbc06fb1 | 344 | |
3ce54934 | 345 | if (status != STATUS_SUCCESS) |
cbc06fb1 | 346 | return false; |
cbc06fb1 | 347 | |
d7f2d8f6 | 348 | if ((tmp & GPIO3_DATA) == 0) |
3ce54934 | 349 | vnt_mac_reg_bits_on(priv, MAC_REG_GPIOCTL1, |
c6bf6d2d | 350 | GPIO3_INTMD); |
d7f2d8f6 | 351 | else |
3ce54934 | 352 | vnt_mac_reg_bits_off(priv, MAC_REG_GPIOCTL1, |
c6bf6d2d | 353 | GPIO3_INTMD); |
cbc06fb1 MP |
354 | } |
355 | ||
3ce54934 | 356 | vnt_mac_set_led(priv, LEDSTS_TMLEN, 0x38); |
cbc06fb1 | 357 | |
3ce54934 | 358 | vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_SLOW); |
cbc06fb1 | 359 | |
3ce54934 | 360 | vnt_mac_reg_bits_on(priv, MAC_REG_GPIOCTL0, 0x01); |
cbc06fb1 | 361 | |
d7f2d8f6 | 362 | vnt_radio_power_on(priv); |
cbc06fb1 | 363 | |
4e62dcc9 | 364 | dev_dbg(&priv->usb->dev, "<----INIbInitAdapter Exit\n"); |
cbc06fb1 MP |
365 | |
366 | return true; | |
92b96797 FB |
367 | } |
368 | ||
afc7ef64 | 369 | static void vnt_free_tx_bufs(struct vnt_private *priv) |
8611a29a | 370 | { |
f2625c24 MP |
371 | struct vnt_usb_send_context *tx_context; |
372 | int ii; | |
373 | ||
03b7e354 | 374 | for (ii = 0; ii < priv->num_tx_context; ii++) { |
f7e4a8f4 | 375 | tx_context = priv->tx_context[ii]; |
f2625c24 | 376 | /* deallocate URBs */ |
30a05b39 MP |
377 | if (tx_context->urb) { |
378 | usb_kill_urb(tx_context->urb); | |
379 | usb_free_urb(tx_context->urb); | |
f2625c24 MP |
380 | } |
381 | ||
382 | kfree(tx_context); | |
383 | } | |
92b96797 FB |
384 | } |
385 | ||
0dd6e68a | 386 | static void vnt_free_rx_bufs(struct vnt_private *priv) |
8611a29a | 387 | { |
afc5eeb8 | 388 | struct vnt_rcb *rcb; |
115cac2e | 389 | int ii; |
92b96797 | 390 | |
6da4738f | 391 | for (ii = 0; ii < priv->num_rcb; ii++) { |
8577011c | 392 | rcb = priv->rcb[ii]; |
8cffb3cf MP |
393 | if (!rcb) |
394 | continue; | |
92b96797 | 395 | |
afc5eeb8 | 396 | /* deallocate URBs */ |
325de984 MP |
397 | if (rcb->urb) { |
398 | usb_kill_urb(rcb->urb); | |
399 | usb_free_urb(rcb->urb); | |
afc5eeb8 | 400 | } |
92b96797 | 401 | |
afc5eeb8 MP |
402 | /* deallocate skb */ |
403 | if (rcb->skb) | |
404 | dev_kfree_skb(rcb->skb); | |
afc5eeb8 | 405 | |
8cffb3cf MP |
406 | kfree(rcb); |
407 | } | |
92b96797 FB |
408 | } |
409 | ||
1c2fd56b | 410 | static void vnt_free_int_bufs(struct vnt_private *priv) |
8611a29a | 411 | { |
1506bf37 | 412 | kfree(priv->int_buf.data_buf); |
92b96797 FB |
413 | } |
414 | ||
ef484423 | 415 | static bool vnt_alloc_bufs(struct vnt_private *priv) |
dd0a774f | 416 | { |
35491de7 MP |
417 | struct vnt_usb_send_context *tx_context; |
418 | struct vnt_rcb *rcb; | |
115cac2e | 419 | int ii; |
92b96797 | 420 | |
03b7e354 | 421 | for (ii = 0; ii < priv->num_tx_context; ii++) { |
f124a478 | 422 | tx_context = kmalloc(sizeof(*tx_context), GFP_KERNEL); |
27f31cf9 | 423 | if (!tx_context) |
35491de7 | 424 | goto free_tx; |
92b96797 | 425 | |
f7e4a8f4 | 426 | priv->tx_context[ii] = tx_context; |
30a05b39 | 427 | tx_context->priv = priv; |
71d764ae | 428 | tx_context->pkt_no = ii; |
35491de7 MP |
429 | |
430 | /* allocate URBs */ | |
3e0f86b3 | 431 | tx_context->urb = usb_alloc_urb(0, GFP_KERNEL); |
68d81dea | 432 | if (!tx_context->urb) |
35491de7 | 433 | goto free_tx; |
92b96797 | 434 | |
30a05b39 | 435 | tx_context->in_use = false; |
35491de7 MP |
436 | } |
437 | ||
6da4738f | 438 | for (ii = 0; ii < priv->num_rcb; ii++) { |
f124a478 | 439 | priv->rcb[ii] = kzalloc(sizeof(*priv->rcb[ii]), GFP_KERNEL); |
8577011c | 440 | if (!priv->rcb[ii]) { |
8cffb3cf | 441 | dev_err(&priv->usb->dev, |
c6bf6d2d | 442 | "failed to allocate rcb no %d\n", ii); |
8cffb3cf MP |
443 | goto free_rx_tx; |
444 | } | |
115cac2e | 445 | |
8577011c | 446 | rcb = priv->rcb[ii]; |
92b96797 | 447 | |
325de984 | 448 | rcb->priv = priv; |
92b96797 | 449 | |
35491de7 | 450 | /* allocate URBs */ |
3e0f86b3 | 451 | rcb->urb = usb_alloc_urb(0, GFP_KERNEL); |
68d81dea | 452 | if (!rcb->urb) |
35491de7 | 453 | goto free_rx_tx; |
92b96797 | 454 | |
63b9907f | 455 | rcb->skb = dev_alloc_skb(priv->rx_buf_sz); |
27f31cf9 | 456 | if (!rcb->skb) |
35491de7 | 457 | goto free_rx_tx; |
92b96797 | 458 | |
325de984 | 459 | rcb->in_use = false; |
35491de7 | 460 | |
8cffb3cf | 461 | /* submit rx urb */ |
2dc37af0 | 462 | if (vnt_submit_rx_urb(priv, rcb)) |
8cffb3cf | 463 | goto free_rx_tx; |
92b96797 FB |
464 | } |
465 | ||
3e0f86b3 | 466 | priv->interrupt_urb = usb_alloc_urb(0, GFP_KERNEL); |
68d81dea | 467 | if (!priv->interrupt_urb) |
35491de7 | 468 | goto free_rx_tx; |
92b96797 | 469 | |
35491de7 | 470 | priv->int_buf.data_buf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL); |
27f31cf9 | 471 | if (!priv->int_buf.data_buf) { |
3d582487 | 472 | usb_free_urb(priv->interrupt_urb); |
35491de7 MP |
473 | goto free_rx_tx; |
474 | } | |
475 | ||
476 | return true; | |
92b96797 FB |
477 | |
478 | free_rx_tx: | |
0dd6e68a | 479 | vnt_free_rx_bufs(priv); |
92b96797 FB |
480 | |
481 | free_tx: | |
afc7ef64 | 482 | vnt_free_tx_bufs(priv); |
92b96797 | 483 | |
e269fc2d | 484 | return false; |
92b96797 FB |
485 | } |
486 | ||
db8f37fa | 487 | static void vnt_tx_80211(struct ieee80211_hw *hw, |
c6bf6d2d SM |
488 | struct ieee80211_tx_control *control, |
489 | struct sk_buff *skb) | |
db8f37fa MP |
490 | { |
491 | struct vnt_private *priv = hw->priv; | |
492 | ||
b914b494 | 493 | if (vnt_tx_packet(priv, skb)) |
db8f37fa | 494 | ieee80211_free_txskb(hw, skb); |
db8f37fa MP |
495 | } |
496 | ||
497 | static int vnt_start(struct ieee80211_hw *hw) | |
498 | { | |
499 | struct vnt_private *priv = hw->priv; | |
500 | ||
501 | priv->rx_buf_sz = MAX_TOTAL_SIZE_WITH_ALL_HEADERS; | |
502 | ||
5699c0f4 | 503 | if (!vnt_alloc_bufs(priv)) { |
ef484423 | 504 | dev_dbg(&priv->usb->dev, "vnt_alloc_bufs fail...\n"); |
db8f37fa MP |
505 | return -ENOMEM; |
506 | } | |
507 | ||
2ab3d46d | 508 | clear_bit(DEVICE_FLAGS_DISCONNECTED, &priv->flags); |
db8f37fa | 509 | |
500e1fb3 | 510 | if (vnt_init_registers(priv) == false) { |
db8f37fa MP |
511 | dev_dbg(&priv->usb->dev, " init register fail\n"); |
512 | goto free_all; | |
513 | } | |
514 | ||
dc32190f MP |
515 | if (vnt_key_init_table(priv)) |
516 | goto free_all; | |
517 | ||
db8f37fa MP |
518 | priv->int_interval = 1; /* bInterval is set to 1 */ |
519 | ||
62001939 | 520 | vnt_int_start_interrupt(priv); |
db8f37fa | 521 | |
db8f37fa MP |
522 | ieee80211_wake_queues(hw); |
523 | ||
524 | return 0; | |
525 | ||
526 | free_all: | |
0dd6e68a | 527 | vnt_free_rx_bufs(priv); |
afc7ef64 | 528 | vnt_free_tx_bufs(priv); |
1c2fd56b | 529 | vnt_free_int_bufs(priv); |
db8f37fa | 530 | |
3d582487 MP |
531 | usb_kill_urb(priv->interrupt_urb); |
532 | usb_free_urb(priv->interrupt_urb); | |
db8f37fa MP |
533 | |
534 | return -ENOMEM; | |
535 | } | |
536 | ||
537 | static void vnt_stop(struct ieee80211_hw *hw) | |
538 | { | |
539 | struct vnt_private *priv = hw->priv; | |
540 | int i; | |
541 | ||
542 | if (!priv) | |
543 | return; | |
544 | ||
545 | for (i = 0; i < MAX_KEY_TABLE; i++) | |
546 | vnt_mac_disable_keyentry(priv, i); | |
547 | ||
548 | /* clear all keys */ | |
549 | priv->key_entry_inuse = 0; | |
550 | ||
cbcc9a36 | 551 | if (!test_bit(DEVICE_FLAGS_UNPLUG, &priv->flags)) |
db8f37fa MP |
552 | vnt_mac_shutdown(priv); |
553 | ||
554 | ieee80211_stop_queues(hw); | |
555 | ||
4c3b0d45 | 556 | set_bit(DEVICE_FLAGS_DISCONNECTED, &priv->flags); |
db8f37fa MP |
557 | |
558 | cancel_delayed_work_sync(&priv->run_command_work); | |
db8f37fa | 559 | |
33a60b87 | 560 | priv->cmd_running = false; |
db8f37fa | 561 | |
afc7ef64 | 562 | vnt_free_tx_bufs(priv); |
0dd6e68a | 563 | vnt_free_rx_bufs(priv); |
1c2fd56b | 564 | vnt_free_int_bufs(priv); |
db8f37fa | 565 | |
3d582487 MP |
566 | usb_kill_urb(priv->interrupt_urb); |
567 | usb_free_urb(priv->interrupt_urb); | |
db8f37fa MP |
568 | } |
569 | ||
570 | static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
571 | { | |
572 | struct vnt_private *priv = hw->priv; | |
573 | ||
574 | priv->vif = vif; | |
575 | ||
576 | switch (vif->type) { | |
577 | case NL80211_IFTYPE_STATION: | |
578 | break; | |
579 | case NL80211_IFTYPE_ADHOC: | |
580 | vnt_mac_reg_bits_off(priv, MAC_REG_RCR, RCR_UNICAST); | |
581 | ||
582 | vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_ADHOC); | |
583 | ||
584 | break; | |
585 | case NL80211_IFTYPE_AP: | |
586 | vnt_mac_reg_bits_off(priv, MAC_REG_RCR, RCR_UNICAST); | |
587 | ||
588 | vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_AP); | |
589 | ||
590 | break; | |
591 | default: | |
592 | return -EOPNOTSUPP; | |
593 | } | |
594 | ||
595 | priv->op_mode = vif->type; | |
596 | ||
1ecd083e MP |
597 | vnt_set_bss_mode(priv); |
598 | ||
db8f37fa MP |
599 | /* LED blink on TX */ |
600 | vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_INTER); | |
601 | ||
602 | return 0; | |
603 | } | |
604 | ||
605 | static void vnt_remove_interface(struct ieee80211_hw *hw, | |
c6bf6d2d | 606 | struct ieee80211_vif *vif) |
db8f37fa MP |
607 | { |
608 | struct vnt_private *priv = hw->priv; | |
609 | ||
610 | switch (vif->type) { | |
611 | case NL80211_IFTYPE_STATION: | |
612 | break; | |
613 | case NL80211_IFTYPE_ADHOC: | |
614 | vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX); | |
615 | vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); | |
616 | vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_ADHOC); | |
617 | break; | |
618 | case NL80211_IFTYPE_AP: | |
619 | vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX); | |
620 | vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); | |
621 | vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_AP); | |
622 | break; | |
623 | default: | |
624 | break; | |
625 | } | |
626 | ||
627 | vnt_radio_power_off(priv); | |
628 | ||
629 | priv->op_mode = NL80211_IFTYPE_UNSPECIFIED; | |
630 | ||
631 | /* LED slow blink */ | |
632 | vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_SLOW); | |
db8f37fa MP |
633 | } |
634 | ||
635 | static int vnt_config(struct ieee80211_hw *hw, u32 changed) | |
636 | { | |
637 | struct vnt_private *priv = hw->priv; | |
638 | struct ieee80211_conf *conf = &hw->conf; | |
db8f37fa MP |
639 | |
640 | if (changed & IEEE80211_CONF_CHANGE_PS) { | |
641 | if (conf->flags & IEEE80211_CONF_PS) | |
642 | vnt_enable_power_saving(priv, conf->listen_interval); | |
643 | else | |
644 | vnt_disable_power_saving(priv); | |
645 | } | |
646 | ||
647 | if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || | |
c6bf6d2d | 648 | (conf->flags & IEEE80211_CONF_OFFCHANNEL)) { |
db8f37fa MP |
649 | vnt_set_channel(priv, conf->chandef.chan->hw_value); |
650 | ||
57fbcce3 | 651 | if (conf->chandef.chan->band == NL80211_BAND_5GHZ) |
c1260357 | 652 | priv->bb_type = BB_TYPE_11A; |
db8f37fa | 653 | else |
c1260357 | 654 | priv->bb_type = BB_TYPE_11G; |
db8f37fa MP |
655 | } |
656 | ||
657 | if (changed & IEEE80211_CONF_CHANGE_POWER) { | |
65df77e2 | 658 | if (priv->bb_type == BB_TYPE_11B) |
8b84c1da | 659 | priv->current_rate = RATE_1M; |
db8f37fa | 660 | else |
8b84c1da | 661 | priv->current_rate = RATE_54M; |
db8f37fa | 662 | |
8b84c1da | 663 | vnt_rf_setpower(priv, priv->current_rate, |
db8f37fa MP |
664 | conf->chandef.chan->hw_value); |
665 | } | |
666 | ||
667 | return 0; | |
668 | } | |
669 | ||
670 | static void vnt_bss_info_changed(struct ieee80211_hw *hw, | |
c6bf6d2d SM |
671 | struct ieee80211_vif *vif, |
672 | struct ieee80211_bss_conf *conf, u32 changed) | |
db8f37fa MP |
673 | { |
674 | struct vnt_private *priv = hw->priv; | |
14c5e41f | 675 | |
db8f37fa MP |
676 | priv->current_aid = conf->aid; |
677 | ||
d309509f | 678 | if (changed & BSS_CHANGED_BSSID && conf->bssid) |
db8f37fa MP |
679 | vnt_mac_set_bssid_addr(priv, (u8 *)conf->bssid); |
680 | ||
db8f37fa | 681 | if (changed & BSS_CHANGED_BASIC_RATES) { |
93a73558 | 682 | priv->basic_rates = conf->basic_rates; |
db8f37fa MP |
683 | |
684 | vnt_update_top_rates(priv); | |
c1260357 | 685 | vnt_set_bss_mode(priv); |
db8f37fa MP |
686 | |
687 | dev_dbg(&priv->usb->dev, "basic rates %x\n", conf->basic_rates); | |
688 | } | |
689 | ||
690 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
691 | if (conf->use_short_preamble) { | |
692 | vnt_mac_enable_barker_preamble_mode(priv); | |
98e93fe5 | 693 | priv->preamble_type = true; |
db8f37fa MP |
694 | } else { |
695 | vnt_mac_disable_barker_preamble_mode(priv); | |
98e93fe5 | 696 | priv->preamble_type = false; |
db8f37fa MP |
697 | } |
698 | } | |
699 | ||
700 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
701 | if (conf->use_cts_prot) | |
702 | vnt_mac_enable_protect_mode(priv); | |
703 | else | |
704 | vnt_mac_disable_protect_mode(priv); | |
705 | } | |
706 | ||
707 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
708 | if (conf->use_short_slot) | |
a641c9ec | 709 | priv->short_slot_time = true; |
db8f37fa | 710 | else |
a641c9ec | 711 | priv->short_slot_time = false; |
db8f37fa | 712 | |
3c956cc0 | 713 | vnt_set_short_slot_time(priv); |
66e496c4 | 714 | vnt_update_ifs(priv); |
c37cbd37 | 715 | vnt_set_vga_gain_offset(priv, priv->bb_vga[0]); |
80dcc0ae | 716 | vnt_update_pre_ed_threshold(priv, false); |
db8f37fa MP |
717 | } |
718 | ||
719 | if (changed & BSS_CHANGED_TXPOWER) | |
8b84c1da | 720 | vnt_rf_setpower(priv, priv->current_rate, |
c6bf6d2d | 721 | conf->chandef.chan->hw_value); |
db8f37fa MP |
722 | |
723 | if (changed & BSS_CHANGED_BEACON_ENABLED) { | |
724 | dev_dbg(&priv->usb->dev, | |
c6bf6d2d | 725 | "Beacon enable %d\n", conf->enable_beacon); |
db8f37fa MP |
726 | |
727 | if (conf->enable_beacon) { | |
728 | vnt_beacon_enable(priv, vif, conf); | |
729 | ||
730 | vnt_mac_reg_bits_on(priv, MAC_REG_TCR, TCR_AUTOBCNTX); | |
731 | } else { | |
732 | vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX); | |
733 | } | |
734 | } | |
c1515879 MP |
735 | |
736 | if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INFO) && | |
737 | priv->op_mode != NL80211_IFTYPE_AP) { | |
738 | if (conf->assoc && conf->beacon_rate) { | |
739 | vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL, | |
740 | TFTCTL_TSFCNTREN); | |
741 | ||
742 | vnt_adjust_tsf(priv, conf->beacon_rate->hw_value, | |
743 | conf->sync_tsf, priv->current_tsf); | |
744 | ||
745 | vnt_mac_set_beacon_interval(priv, conf->beacon_int); | |
746 | ||
747 | vnt_reset_next_tbtt(priv, conf->beacon_int); | |
748 | } else { | |
749 | vnt_clear_current_tsf(priv); | |
750 | ||
751 | vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, | |
752 | TFTCTL_TSFCNTREN); | |
753 | } | |
754 | } | |
db8f37fa MP |
755 | } |
756 | ||
757 | static u64 vnt_prepare_multicast(struct ieee80211_hw *hw, | |
c6bf6d2d | 758 | struct netdev_hw_addr_list *mc_list) |
db8f37fa MP |
759 | { |
760 | struct vnt_private *priv = hw->priv; | |
761 | struct netdev_hw_addr *ha; | |
762 | u64 mc_filter = 0; | |
763 | u32 bit_nr = 0; | |
764 | ||
765 | netdev_hw_addr_list_for_each(ha, mc_list) { | |
766 | bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; | |
767 | ||
768 | mc_filter |= 1ULL << (bit_nr & 0x3f); | |
769 | } | |
770 | ||
771 | priv->mc_list_count = mc_list->count; | |
772 | ||
773 | return mc_filter; | |
774 | } | |
775 | ||
776 | static void vnt_configure(struct ieee80211_hw *hw, | |
c6bf6d2d SM |
777 | unsigned int changed_flags, |
778 | unsigned int *total_flags, u64 multicast) | |
db8f37fa MP |
779 | { |
780 | struct vnt_private *priv = hw->priv; | |
781 | u8 rx_mode = 0; | |
782 | int rc; | |
783 | ||
df140465 | 784 | *total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC; |
db8f37fa MP |
785 | |
786 | rc = vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR, | |
c6bf6d2d | 787 | MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode); |
db8f37fa MP |
788 | |
789 | if (!rc) | |
790 | rx_mode = RCR_MULTICAST | RCR_BROADCAST; | |
791 | ||
792 | dev_dbg(&priv->usb->dev, "rx mode in = %x\n", rx_mode); | |
793 | ||
db8f37fa MP |
794 | if (changed_flags & FIF_ALLMULTI) { |
795 | if (*total_flags & FIF_ALLMULTI) { | |
796 | if (priv->mc_list_count > 2) | |
797 | vnt_mac_set_filter(priv, ~0); | |
798 | else | |
799 | vnt_mac_set_filter(priv, multicast); | |
800 | ||
801 | rx_mode |= RCR_MULTICAST | RCR_BROADCAST; | |
802 | } else { | |
803 | rx_mode &= ~(RCR_MULTICAST | RCR_BROADCAST); | |
804 | } | |
db8f37fa MP |
805 | } |
806 | ||
807 | if (changed_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) { | |
808 | if (*total_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) | |
809 | rx_mode &= ~RCR_BSSID; | |
810 | else | |
811 | rx_mode |= RCR_BSSID; | |
812 | } | |
813 | ||
814 | vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG, MAC_REG_RCR, rx_mode); | |
815 | ||
816 | dev_dbg(&priv->usb->dev, "rx mode out= %x\n", rx_mode); | |
db8f37fa MP |
817 | } |
818 | ||
819 | static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
c6bf6d2d SM |
820 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
821 | struct ieee80211_key_conf *key) | |
db8f37fa MP |
822 | { |
823 | struct vnt_private *priv = hw->priv; | |
824 | ||
825 | switch (cmd) { | |
826 | case SET_KEY: | |
827 | if (vnt_set_keys(hw, sta, vif, key)) | |
828 | return -EOPNOTSUPP; | |
829 | break; | |
830 | case DISABLE_KEY: | |
831 | if (test_bit(key->hw_key_idx, &priv->key_entry_inuse)) | |
832 | clear_bit(key->hw_key_idx, &priv->key_entry_inuse); | |
833 | default: | |
834 | break; | |
835 | } | |
836 | ||
837 | return 0; | |
838 | } | |
839 | ||
a344d677 JB |
840 | static void vnt_sw_scan_start(struct ieee80211_hw *hw, |
841 | struct ieee80211_vif *vif, | |
842 | const u8 *addr) | |
db8f37fa MP |
843 | { |
844 | struct vnt_private *priv = hw->priv; | |
845 | ||
846 | /* Set max sensitivity*/ | |
80dcc0ae | 847 | vnt_update_pre_ed_threshold(priv, true); |
db8f37fa MP |
848 | } |
849 | ||
a344d677 JB |
850 | static void vnt_sw_scan_complete(struct ieee80211_hw *hw, |
851 | struct ieee80211_vif *vif) | |
db8f37fa MP |
852 | { |
853 | struct vnt_private *priv = hw->priv; | |
854 | ||
855 | /* Return sensitivity to channel level*/ | |
80dcc0ae | 856 | vnt_update_pre_ed_threshold(priv, false); |
db8f37fa MP |
857 | } |
858 | ||
1786384e | 859 | static int vnt_get_stats(struct ieee80211_hw *hw, |
c6bf6d2d | 860 | struct ieee80211_low_level_stats *stats) |
1786384e MP |
861 | { |
862 | struct vnt_private *priv = hw->priv; | |
863 | ||
864 | memcpy(stats, &priv->low_stats, sizeof(*stats)); | |
865 | ||
866 | return 0; | |
867 | } | |
868 | ||
db8f37fa MP |
869 | static u64 vnt_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
870 | { | |
871 | struct vnt_private *priv = hw->priv; | |
872 | ||
113f0b91 | 873 | return priv->current_tsf; |
db8f37fa MP |
874 | } |
875 | ||
876 | static void vnt_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
877 | u64 tsf) | |
878 | { | |
879 | struct vnt_private *priv = hw->priv; | |
880 | ||
881 | vnt_update_next_tbtt(priv, tsf, vif->bss_conf.beacon_int); | |
882 | } | |
883 | ||
884 | static void vnt_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
885 | { | |
886 | struct vnt_private *priv = hw->priv; | |
887 | ||
888 | vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); | |
889 | ||
890 | vnt_clear_current_tsf(priv); | |
891 | } | |
892 | ||
893 | static const struct ieee80211_ops vnt_mac_ops = { | |
894 | .tx = vnt_tx_80211, | |
895 | .start = vnt_start, | |
896 | .stop = vnt_stop, | |
897 | .add_interface = vnt_add_interface, | |
898 | .remove_interface = vnt_remove_interface, | |
899 | .config = vnt_config, | |
900 | .bss_info_changed = vnt_bss_info_changed, | |
901 | .prepare_multicast = vnt_prepare_multicast, | |
902 | .configure_filter = vnt_configure, | |
903 | .set_key = vnt_set_key, | |
904 | .sw_scan_start = vnt_sw_scan_start, | |
905 | .sw_scan_complete = vnt_sw_scan_complete, | |
1786384e | 906 | .get_stats = vnt_get_stats, |
db8f37fa MP |
907 | .get_tsf = vnt_get_tsf, |
908 | .set_tsf = vnt_set_tsf, | |
909 | .reset_tsf = vnt_reset_tsf, | |
910 | }; | |
911 | ||
912 | int vnt_init(struct vnt_private *priv) | |
913 | { | |
500e1fb3 | 914 | if (!(vnt_init_registers(priv))) |
db8f37fa MP |
915 | return -EAGAIN; |
916 | ||
41e8321a | 917 | SET_IEEE80211_PERM_ADDR(priv->hw, priv->permanent_net_addr); |
db8f37fa | 918 | |
110f97e9 MP |
919 | vnt_init_bands(priv); |
920 | ||
db8f37fa MP |
921 | if (ieee80211_register_hw(priv->hw)) |
922 | return -ENODEV; | |
923 | ||
30816f83 MP |
924 | priv->mac_hw = true; |
925 | ||
ba911c9b MP |
926 | vnt_radio_power_off(priv); |
927 | ||
db8f37fa MP |
928 | return 0; |
929 | } | |
930 | ||
931 | static int | |
932 | vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
933 | { | |
934 | struct usb_device *udev; | |
935 | struct vnt_private *priv; | |
936 | struct ieee80211_hw *hw; | |
937 | struct wiphy *wiphy; | |
938 | int rc = 0; | |
939 | ||
940 | udev = usb_get_dev(interface_to_usbdev(intf)); | |
941 | ||
942 | dev_notice(&udev->dev, "%s Ver. %s\n", | |
c6bf6d2d | 943 | DEVICE_FULL_DRV_NAM, DEVICE_VERSION); |
db8f37fa | 944 | dev_notice(&udev->dev, |
c6bf6d2d | 945 | "Copyright (c) 2004 VIA Networking Technologies, Inc.\n"); |
db8f37fa MP |
946 | |
947 | hw = ieee80211_alloc_hw(sizeof(struct vnt_private), &vnt_mac_ops); | |
948 | if (!hw) { | |
949 | dev_err(&udev->dev, "could not register ieee80211_hw\n"); | |
20ff1418 | 950 | rc = -ENOMEM; |
db8f37fa MP |
951 | goto err_nomem; |
952 | } | |
953 | ||
954 | priv = hw->priv; | |
955 | priv->hw = hw; | |
956 | priv->usb = udev; | |
957 | ||
7665cf21 | 958 | vnt_set_options(priv); |
db8f37fa MP |
959 | |
960 | spin_lock_init(&priv->lock); | |
961 | mutex_init(&priv->usb_lock); | |
962 | ||
592365ae | 963 | INIT_DELAYED_WORK(&priv->run_command_work, vnt_run_command); |
db8f37fa | 964 | |
db8f37fa MP |
965 | usb_set_intfdata(intf, priv); |
966 | ||
967 | wiphy = priv->hw->wiphy; | |
968 | ||
969 | wiphy->frag_threshold = FRAG_THRESH_DEF; | |
970 | wiphy->rts_threshold = RTS_THRESH_DEF; | |
971 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
972 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); | |
973 | ||
30686bf7 JB |
974 | ieee80211_hw_set(priv->hw, TIMING_BEACON_ONLY); |
975 | ieee80211_hw_set(priv->hw, SIGNAL_DBM); | |
976 | ieee80211_hw_set(priv->hw, RX_INCLUDES_FCS); | |
977 | ieee80211_hw_set(priv->hw, REPORTS_TX_ACK_STATUS); | |
49a315bf | 978 | ieee80211_hw_set(priv->hw, SUPPORTS_PS); |
db8f37fa | 979 | |
db8f37fa MP |
980 | priv->hw->max_signal = 100; |
981 | ||
982 | SET_IEEE80211_DEV(priv->hw, &intf->dev); | |
983 | ||
00916cfc CL |
984 | rc = usb_reset_device(priv->usb); |
985 | if (rc) | |
986 | dev_warn(&priv->usb->dev, | |
987 | "%s reset fail status=%d\n", __func__, rc); | |
db8f37fa | 988 | |
2ab3d46d | 989 | clear_bit(DEVICE_FLAGS_DISCONNECTED, &priv->flags); |
68cc161e | 990 | vnt_reset_command_timer(priv); |
30816f83 | 991 | |
57981a65 | 992 | vnt_schedule_command(priv, WLAN_CMD_INIT_MAC80211); |
30816f83 | 993 | |
db8f37fa MP |
994 | return 0; |
995 | ||
996 | err_nomem: | |
997 | usb_put_dev(udev); | |
998 | ||
999 | return rc; | |
1000 | } | |
1001 | ||
0d7fe14f | 1002 | static void vt6656_disconnect(struct usb_interface *intf) |
92b96797 | 1003 | { |
db8f37fa | 1004 | struct vnt_private *priv = usb_get_intfdata(intf); |
92b96797 | 1005 | |
db8f37fa | 1006 | if (!priv) |
6cda24f5 | 1007 | return; |
92b96797 | 1008 | |
30816f83 MP |
1009 | if (priv->mac_hw) |
1010 | ieee80211_unregister_hw(priv->hw); | |
db8f37fa | 1011 | |
92b96797 | 1012 | usb_set_intfdata(intf, NULL); |
6cda24f5 | 1013 | usb_put_dev(interface_to_usbdev(intf)); |
92b96797 | 1014 | |
4c3b0d45 | 1015 | set_bit(DEVICE_FLAGS_UNPLUG, &priv->flags); |
92b96797 | 1016 | |
db8f37fa | 1017 | ieee80211_free_hw(priv->hw); |
92b96797 FB |
1018 | } |
1019 | ||
db8f37fa MP |
1020 | #ifdef CONFIG_PM |
1021 | ||
1022 | static int vt6656_suspend(struct usb_interface *intf, pm_message_t message) | |
1023 | { | |
1024 | return 0; | |
1025 | } | |
1026 | ||
1027 | static int vt6656_resume(struct usb_interface *intf) | |
1028 | { | |
1029 | return 0; | |
1030 | } | |
1031 | ||
1032 | #endif /* CONFIG_PM */ | |
1033 | ||
26e5b65b | 1034 | MODULE_DEVICE_TABLE(usb, vt6656_table); |
92b96797 | 1035 | |
26e5b65b AM |
1036 | static struct usb_driver vt6656_driver = { |
1037 | .name = DEVICE_NAME, | |
1038 | .probe = vt6656_probe, | |
1039 | .disconnect = vt6656_disconnect, | |
1040 | .id_table = vt6656_table, | |
92b96797 | 1041 | #ifdef CONFIG_PM |
26e5b65b AM |
1042 | .suspend = vt6656_suspend, |
1043 | .resume = vt6656_resume, | |
1044 | #endif /* CONFIG_PM */ | |
92b96797 FB |
1045 | }; |
1046 | ||
bac2c126 | 1047 | module_usb_driver(vt6656_driver); |