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2ca20f79 G |
1 | /****************************************************************************** |
2 | * | |
a8d76066 | 3 | * Copyright(c) 2009-2012 Realtek Corporation. All rights reserved. |
2ca20f79 G |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
17 | * | |
18 | * The full GNU General Public License is included in this distribution in the | |
19 | * file called LICENSE. | |
20 | * | |
21 | * Contact Information: | |
22 | * wlanfae <wlanfae@realtek.com> | |
23 | * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, | |
24 | * Hsinchu 300, Taiwan. | |
25 | * | |
26 | *****************************************************************************/ | |
292b1192 | 27 | |
2ca20f79 | 28 | #include "wifi.h" |
d273bb20 | 29 | #include "core.h" |
2ca20f79 G |
30 | #include "usb.h" |
31 | #include "base.h" | |
32 | #include "ps.h" | |
040a7278 | 33 | #include "rtl8192c/fw_common.h" |
d273bb20 | 34 | #include <linux/export.h> |
2ca20f79 G |
35 | |
36 | #define REALTEK_USB_VENQT_READ 0xC0 | |
37 | #define REALTEK_USB_VENQT_WRITE 0x40 | |
38 | #define REALTEK_USB_VENQT_CMD_REQ 0x05 | |
39 | #define REALTEK_USB_VENQT_CMD_IDX 0x00 | |
40 | ||
040a7278 | 41 | #define MAX_USBCTRL_VENDORREQ_TIMES 10 |
2ca20f79 G |
42 | |
43 | static void usbctrl_async_callback(struct urb *urb) | |
44 | { | |
45 | if (urb) | |
46 | kfree(urb->context); | |
47 | } | |
48 | ||
49 | static int _usbctrl_vendorreq_async_write(struct usb_device *udev, u8 request, | |
50 | u16 value, u16 index, void *pdata, | |
51 | u16 len) | |
52 | { | |
53 | int rc; | |
54 | unsigned int pipe; | |
55 | u8 reqtype; | |
56 | struct usb_ctrlrequest *dr; | |
57 | struct urb *urb; | |
58 | struct rtl819x_async_write_data { | |
59 | u8 data[REALTEK_USB_VENQT_MAX_BUF_SIZE]; | |
60 | struct usb_ctrlrequest dr; | |
61 | } *buf; | |
62 | ||
63 | pipe = usb_sndctrlpipe(udev, 0); /* write_out */ | |
64 | reqtype = REALTEK_USB_VENQT_WRITE; | |
65 | ||
66 | buf = kmalloc(sizeof(*buf), GFP_ATOMIC); | |
67 | if (!buf) | |
68 | return -ENOMEM; | |
69 | ||
70 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
71 | if (!urb) { | |
72 | kfree(buf); | |
73 | return -ENOMEM; | |
74 | } | |
75 | ||
76 | dr = &buf->dr; | |
77 | ||
78 | dr->bRequestType = reqtype; | |
79 | dr->bRequest = request; | |
80 | dr->wValue = cpu_to_le16(value); | |
81 | dr->wIndex = cpu_to_le16(index); | |
82 | dr->wLength = cpu_to_le16(len); | |
abfabc9b | 83 | /* data are already in little-endian order */ |
2ca20f79 G |
84 | memcpy(buf, pdata, len); |
85 | usb_fill_control_urb(urb, udev, pipe, | |
86 | (unsigned char *)dr, buf, len, | |
87 | usbctrl_async_callback, buf); | |
88 | rc = usb_submit_urb(urb, GFP_ATOMIC); | |
89 | if (rc < 0) | |
90 | kfree(buf); | |
91 | usb_free_urb(urb); | |
92 | return rc; | |
93 | } | |
94 | ||
95 | static int _usbctrl_vendorreq_sync_read(struct usb_device *udev, u8 request, | |
96 | u16 value, u16 index, void *pdata, | |
97 | u16 len) | |
98 | { | |
99 | unsigned int pipe; | |
100 | int status; | |
101 | u8 reqtype; | |
040a7278 | 102 | int vendorreq_times = 0; |
abfabc9b | 103 | static int count; |
2ca20f79 G |
104 | |
105 | pipe = usb_rcvctrlpipe(udev, 0); /* read_in */ | |
106 | reqtype = REALTEK_USB_VENQT_READ; | |
107 | ||
eb1852b1 | 108 | do { |
040a7278 G |
109 | status = usb_control_msg(udev, pipe, request, reqtype, value, |
110 | index, pdata, len, 0); /*max. timeout*/ | |
111 | if (status < 0) { | |
112 | /* firmware download is checksumed, don't retry */ | |
113 | if ((value >= FW_8192C_START_ADDRESS && | |
114 | value <= FW_8192C_END_ADDRESS)) | |
115 | break; | |
116 | } else { | |
117 | break; | |
118 | } | |
eb1852b1 JL |
119 | } while (++vendorreq_times < MAX_USBCTRL_VENDORREQ_TIMES); |
120 | ||
abfabc9b | 121 | if (status < 0 && count++ < 4) |
292b1192 | 122 | pr_err("reg 0x%x, usbctrl_vendorreq TimeOut! status:0x%x value=0x%x\n", |
8e2c406a | 123 | value, status, *(u32 *)pdata); |
2ca20f79 G |
124 | return status; |
125 | } | |
126 | ||
a7959c13 | 127 | static u32 _usb_read_sync(struct rtl_priv *rtlpriv, u32 addr, u16 len) |
2ca20f79 | 128 | { |
a7959c13 LF |
129 | struct device *dev = rtlpriv->io.dev; |
130 | struct usb_device *udev = to_usb_device(dev); | |
2ca20f79 G |
131 | u8 request; |
132 | u16 wvalue; | |
133 | u16 index; | |
3ce4d85b LF |
134 | __le32 *data; |
135 | unsigned long flags; | |
2ca20f79 | 136 | |
3ce4d85b LF |
137 | spin_lock_irqsave(&rtlpriv->locks.usb_lock, flags); |
138 | if (++rtlpriv->usb_data_index >= RTL_USB_MAX_RX_COUNT) | |
139 | rtlpriv->usb_data_index = 0; | |
140 | data = &rtlpriv->usb_data[rtlpriv->usb_data_index]; | |
141 | spin_unlock_irqrestore(&rtlpriv->locks.usb_lock, flags); | |
2ca20f79 G |
142 | request = REALTEK_USB_VENQT_CMD_REQ; |
143 | index = REALTEK_USB_VENQT_CMD_IDX; /* n/a */ | |
144 | ||
145 | wvalue = (u16)addr; | |
146 | _usbctrl_vendorreq_sync_read(udev, request, wvalue, index, data, len); | |
a7959c13 | 147 | return le32_to_cpu(*data); |
2ca20f79 G |
148 | } |
149 | ||
150 | static u8 _usb_read8_sync(struct rtl_priv *rtlpriv, u32 addr) | |
151 | { | |
a7959c13 | 152 | return (u8)_usb_read_sync(rtlpriv, addr, 1); |
2ca20f79 G |
153 | } |
154 | ||
155 | static u16 _usb_read16_sync(struct rtl_priv *rtlpriv, u32 addr) | |
156 | { | |
a7959c13 | 157 | return (u16)_usb_read_sync(rtlpriv, addr, 2); |
2ca20f79 G |
158 | } |
159 | ||
160 | static u32 _usb_read32_sync(struct rtl_priv *rtlpriv, u32 addr) | |
161 | { | |
a7959c13 | 162 | return _usb_read_sync(rtlpriv, addr, 4); |
2ca20f79 G |
163 | } |
164 | ||
165 | static void _usb_write_async(struct usb_device *udev, u32 addr, u32 val, | |
166 | u16 len) | |
167 | { | |
168 | u8 request; | |
169 | u16 wvalue; | |
170 | u16 index; | |
abfabc9b | 171 | __le32 data; |
2ca20f79 G |
172 | |
173 | request = REALTEK_USB_VENQT_CMD_REQ; | |
174 | index = REALTEK_USB_VENQT_CMD_IDX; /* n/a */ | |
175 | wvalue = (u16)(addr&0x0000ffff); | |
abfabc9b | 176 | data = cpu_to_le32(val); |
2ca20f79 G |
177 | _usbctrl_vendorreq_async_write(udev, request, wvalue, index, &data, |
178 | len); | |
179 | } | |
180 | ||
181 | static void _usb_write8_async(struct rtl_priv *rtlpriv, u32 addr, u8 val) | |
182 | { | |
183 | struct device *dev = rtlpriv->io.dev; | |
184 | ||
185 | _usb_write_async(to_usb_device(dev), addr, val, 1); | |
186 | } | |
187 | ||
188 | static void _usb_write16_async(struct rtl_priv *rtlpriv, u32 addr, u16 val) | |
189 | { | |
190 | struct device *dev = rtlpriv->io.dev; | |
191 | ||
192 | _usb_write_async(to_usb_device(dev), addr, val, 2); | |
193 | } | |
194 | ||
195 | static void _usb_write32_async(struct rtl_priv *rtlpriv, u32 addr, u32 val) | |
196 | { | |
197 | struct device *dev = rtlpriv->io.dev; | |
198 | ||
199 | _usb_write_async(to_usb_device(dev), addr, val, 4); | |
200 | } | |
201 | ||
ff6ff96b LF |
202 | static void _usb_writeN_sync(struct rtl_priv *rtlpriv, u32 addr, void *data, |
203 | u16 len) | |
204 | { | |
205 | struct device *dev = rtlpriv->io.dev; | |
206 | struct usb_device *udev = to_usb_device(dev); | |
207 | u8 request = REALTEK_USB_VENQT_CMD_REQ; | |
208 | u8 reqtype = REALTEK_USB_VENQT_WRITE; | |
209 | u16 wvalue; | |
210 | u16 index = REALTEK_USB_VENQT_CMD_IDX; | |
211 | int pipe = usb_sndctrlpipe(udev, 0); /* write_out */ | |
212 | u8 *buffer; | |
213 | dma_addr_t dma_addr; | |
214 | ||
215 | wvalue = (u16)(addr&0x0000ffff); | |
216 | buffer = usb_alloc_coherent(udev, (size_t)len, GFP_ATOMIC, &dma_addr); | |
217 | if (!buffer) | |
218 | return; | |
219 | memcpy(buffer, data, len); | |
220 | usb_control_msg(udev, pipe, request, reqtype, wvalue, | |
221 | index, buffer, len, 50); | |
222 | ||
223 | usb_free_coherent(udev, (size_t)len, buffer, dma_addr); | |
224 | } | |
225 | ||
2ca20f79 G |
226 | static void _rtl_usb_io_handler_init(struct device *dev, |
227 | struct ieee80211_hw *hw) | |
228 | { | |
229 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
230 | ||
231 | rtlpriv->io.dev = dev; | |
232 | mutex_init(&rtlpriv->io.bb_mutex); | |
233 | rtlpriv->io.write8_async = _usb_write8_async; | |
234 | rtlpriv->io.write16_async = _usb_write16_async; | |
235 | rtlpriv->io.write32_async = _usb_write32_async; | |
2ca20f79 G |
236 | rtlpriv->io.read8_sync = _usb_read8_sync; |
237 | rtlpriv->io.read16_sync = _usb_read16_sync; | |
238 | rtlpriv->io.read32_sync = _usb_read32_sync; | |
ff6ff96b | 239 | rtlpriv->io.writeN_sync = _usb_writeN_sync; |
2ca20f79 G |
240 | } |
241 | ||
242 | static void _rtl_usb_io_handler_release(struct ieee80211_hw *hw) | |
243 | { | |
2e3e66e3 | 244 | struct rtl_priv __maybe_unused *rtlpriv = rtl_priv(hw); |
2ca20f79 G |
245 | |
246 | mutex_destroy(&rtlpriv->io.bb_mutex); | |
247 | } | |
248 | ||
249 | /** | |
250 | * | |
251 | * Default aggregation handler. Do nothing and just return the oldest skb. | |
252 | */ | |
253 | static struct sk_buff *_none_usb_tx_aggregate_hdl(struct ieee80211_hw *hw, | |
254 | struct sk_buff_head *list) | |
255 | { | |
256 | return skb_dequeue(list); | |
257 | } | |
258 | ||
259 | #define IS_HIGH_SPEED_USB(udev) \ | |
260 | ((USB_SPEED_HIGH == (udev)->speed) ? true : false) | |
261 | ||
262 | static int _rtl_usb_init_tx(struct ieee80211_hw *hw) | |
263 | { | |
264 | u32 i; | |
265 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
266 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
267 | ||
268 | rtlusb->max_bulk_out_size = IS_HIGH_SPEED_USB(rtlusb->udev) | |
269 | ? USB_HIGH_SPEED_BULK_SIZE | |
270 | : USB_FULL_SPEED_BULK_SIZE; | |
271 | ||
f30d7507 JP |
272 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "USB Max Bulk-out Size=%d\n", |
273 | rtlusb->max_bulk_out_size); | |
2ca20f79 G |
274 | |
275 | for (i = 0; i < __RTL_TXQ_NUM; i++) { | |
276 | u32 ep_num = rtlusb->ep_map.ep_mapping[i]; | |
277 | if (!ep_num) { | |
278 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
f30d7507 | 279 | "Invalid endpoint map setting!\n"); |
2ca20f79 G |
280 | return -EINVAL; |
281 | } | |
282 | } | |
283 | ||
284 | rtlusb->usb_tx_post_hdl = | |
285 | rtlpriv->cfg->usb_interface_cfg->usb_tx_post_hdl; | |
286 | rtlusb->usb_tx_cleanup = | |
287 | rtlpriv->cfg->usb_interface_cfg->usb_tx_cleanup; | |
288 | rtlusb->usb_tx_aggregate_hdl = | |
289 | (rtlpriv->cfg->usb_interface_cfg->usb_tx_aggregate_hdl) | |
290 | ? rtlpriv->cfg->usb_interface_cfg->usb_tx_aggregate_hdl | |
291 | : &_none_usb_tx_aggregate_hdl; | |
292 | ||
293 | init_usb_anchor(&rtlusb->tx_submitted); | |
294 | for (i = 0; i < RTL_USB_MAX_EP_NUM; i++) { | |
295 | skb_queue_head_init(&rtlusb->tx_skb_queue[i]); | |
296 | init_usb_anchor(&rtlusb->tx_pending[i]); | |
297 | } | |
298 | return 0; | |
299 | } | |
300 | ||
301 | static int _rtl_usb_init_rx(struct ieee80211_hw *hw) | |
302 | { | |
303 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
304 | struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); | |
305 | struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); | |
306 | ||
307 | rtlusb->rx_max_size = rtlpriv->cfg->usb_interface_cfg->rx_max_size; | |
308 | rtlusb->rx_urb_num = rtlpriv->cfg->usb_interface_cfg->rx_urb_num; | |
309 | rtlusb->in_ep = rtlpriv->cfg->usb_interface_cfg->in_ep_num; | |
310 | rtlusb->usb_rx_hdl = rtlpriv->cfg->usb_interface_cfg->usb_rx_hdl; | |
311 | rtlusb->usb_rx_segregate_hdl = | |
312 | rtlpriv->cfg->usb_interface_cfg->usb_rx_segregate_hdl; | |
313 | ||
292b1192 | 314 | pr_info("rx_max_size %d, rx_urb_num %d, in_ep %d\n", |
2ca20f79 G |
315 | rtlusb->rx_max_size, rtlusb->rx_urb_num, rtlusb->in_ep); |
316 | init_usb_anchor(&rtlusb->rx_submitted); | |
317 | return 0; | |
318 | } | |
319 | ||
320 | static int _rtl_usb_init(struct ieee80211_hw *hw) | |
321 | { | |
322 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
323 | struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); | |
324 | struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); | |
325 | int err; | |
326 | u8 epidx; | |
327 | struct usb_interface *usb_intf = rtlusb->intf; | |
328 | u8 epnums = usb_intf->cur_altsetting->desc.bNumEndpoints; | |
329 | ||
330 | rtlusb->out_ep_nums = rtlusb->in_ep_nums = 0; | |
331 | for (epidx = 0; epidx < epnums; epidx++) { | |
332 | struct usb_endpoint_descriptor *pep_desc; | |
333 | pep_desc = &usb_intf->cur_altsetting->endpoint[epidx].desc; | |
334 | ||
335 | if (usb_endpoint_dir_in(pep_desc)) | |
336 | rtlusb->in_ep_nums++; | |
337 | else if (usb_endpoint_dir_out(pep_desc)) | |
338 | rtlusb->out_ep_nums++; | |
339 | ||
340 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
f30d7507 | 341 | "USB EP(0x%02x), MaxPacketSize=%d, Interval=%d\n", |
2ca20f79 | 342 | pep_desc->bEndpointAddress, pep_desc->wMaxPacketSize, |
f30d7507 | 343 | pep_desc->bInterval); |
2ca20f79 | 344 | } |
48de1a17 LF |
345 | if (rtlusb->in_ep_nums < rtlpriv->cfg->usb_interface_cfg->in_ep_num) { |
346 | pr_err("Too few input end points found\n"); | |
347 | return -EINVAL; | |
348 | } | |
349 | if (rtlusb->out_ep_nums == 0) { | |
350 | pr_err("No output end points found\n"); | |
351 | return -EINVAL; | |
352 | } | |
2ca20f79 G |
353 | /* usb endpoint mapping */ |
354 | err = rtlpriv->cfg->usb_interface_cfg->usb_endpoint_mapping(hw); | |
355 | rtlusb->usb_mq_to_hwq = rtlpriv->cfg->usb_interface_cfg->usb_mq_to_hwq; | |
356 | _rtl_usb_init_tx(hw); | |
357 | _rtl_usb_init_rx(hw); | |
358 | return err; | |
359 | } | |
360 | ||
8f526ab4 | 361 | static void rtl_usb_init_sw(struct ieee80211_hw *hw) |
2ca20f79 G |
362 | { |
363 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
364 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
365 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
366 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
367 | ||
368 | rtlhal->hw = hw; | |
7ea47240 LF |
369 | ppsc->inactiveps = false; |
370 | ppsc->leisure_ps = false; | |
371 | ppsc->fwctrl_lps = false; | |
372 | ppsc->reg_fwctrl_lps = 3; | |
2ca20f79 G |
373 | ppsc->reg_max_lps_awakeintvl = 5; |
374 | ppsc->fwctrl_psmode = FW_PS_DTIM_MODE; | |
375 | ||
376 | /* IBSS */ | |
377 | mac->beacon_interval = 100; | |
378 | ||
379 | /* AMPDU */ | |
380 | mac->min_space_cfg = 0; | |
381 | mac->max_mss_density = 0; | |
382 | ||
383 | /* set sane AMPDU defaults */ | |
384 | mac->current_ampdu_density = 7; | |
385 | mac->current_ampdu_factor = 3; | |
386 | ||
387 | /* QOS */ | |
388 | rtlusb->acm_method = eAcmWay2_SW; | |
389 | ||
390 | /* IRQ */ | |
391 | /* HIMR - turn all on */ | |
392 | rtlusb->irq_mask[0] = 0xFFFFFFFF; | |
393 | /* HIMR_EX - turn all on */ | |
394 | rtlusb->irq_mask[1] = 0xFFFFFFFF; | |
395 | rtlusb->disableHWSM = true; | |
2ca20f79 G |
396 | } |
397 | ||
398 | #define __RADIO_TAP_SIZE_RSV 32 | |
399 | ||
400 | static void _rtl_rx_completed(struct urb *urb); | |
401 | ||
402 | static struct sk_buff *_rtl_prep_rx_urb(struct ieee80211_hw *hw, | |
403 | struct rtl_usb *rtlusb, | |
404 | struct urb *urb, | |
405 | gfp_t gfp_mask) | |
406 | { | |
407 | struct sk_buff *skb; | |
408 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
409 | ||
410 | skb = __dev_alloc_skb((rtlusb->rx_max_size + __RADIO_TAP_SIZE_RSV), | |
411 | gfp_mask); | |
412 | if (!skb) { | |
413 | RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, | |
f30d7507 | 414 | "Failed to __dev_alloc_skb!!\n"); |
2ca20f79 G |
415 | return ERR_PTR(-ENOMEM); |
416 | } | |
417 | ||
418 | /* reserve some space for mac80211's radiotap */ | |
419 | skb_reserve(skb, __RADIO_TAP_SIZE_RSV); | |
420 | usb_fill_bulk_urb(urb, rtlusb->udev, | |
421 | usb_rcvbulkpipe(rtlusb->udev, rtlusb->in_ep), | |
422 | skb->data, min(skb_tailroom(skb), | |
423 | (int)rtlusb->rx_max_size), | |
424 | _rtl_rx_completed, skb); | |
425 | ||
426 | _rtl_install_trx_info(rtlusb, skb, rtlusb->in_ep); | |
427 | return skb; | |
428 | } | |
429 | ||
430 | #undef __RADIO_TAP_SIZE_RSV | |
431 | ||
432 | static void _rtl_usb_rx_process_agg(struct ieee80211_hw *hw, | |
433 | struct sk_buff *skb) | |
434 | { | |
435 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
436 | u8 *rxdesc = skb->data; | |
437 | struct ieee80211_hdr *hdr; | |
438 | bool unicast = false; | |
17c9ac62 | 439 | __le16 fc; |
2ca20f79 G |
440 | struct ieee80211_rx_status rx_status = {0}; |
441 | struct rtl_stats stats = { | |
442 | .signal = 0, | |
443 | .noise = -98, | |
444 | .rate = 0, | |
445 | }; | |
446 | ||
447 | skb_pull(skb, RTL_RX_DESC_SIZE); | |
448 | rtlpriv->cfg->ops->query_rx_desc(hw, &stats, &rx_status, rxdesc, skb); | |
449 | skb_pull(skb, (stats.rx_drvinfo_size + stats.rx_bufshift)); | |
450 | hdr = (struct ieee80211_hdr *)(skb->data); | |
17c9ac62 | 451 | fc = hdr->frame_control; |
7ea47240 | 452 | if (!stats.crc) { |
2ca20f79 G |
453 | memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); |
454 | ||
455 | if (is_broadcast_ether_addr(hdr->addr1)) { | |
456 | /*TODO*/; | |
457 | } else if (is_multicast_ether_addr(hdr->addr1)) { | |
458 | /*TODO*/ | |
459 | } else { | |
460 | unicast = true; | |
461 | rtlpriv->stats.rxbytesunicast += skb->len; | |
462 | } | |
463 | ||
464 | rtl_is_special_data(hw, skb, false); | |
465 | ||
466 | if (ieee80211_is_data(fc)) { | |
467 | rtlpriv->cfg->ops->led_control(hw, LED_CTL_RX); | |
468 | ||
469 | if (unicast) | |
470 | rtlpriv->link_info.num_rx_inperiod++; | |
471 | } | |
472 | } | |
473 | } | |
474 | ||
475 | static void _rtl_usb_rx_process_noagg(struct ieee80211_hw *hw, | |
476 | struct sk_buff *skb) | |
477 | { | |
478 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
479 | u8 *rxdesc = skb->data; | |
480 | struct ieee80211_hdr *hdr; | |
481 | bool unicast = false; | |
17c9ac62 | 482 | __le16 fc; |
2ca20f79 G |
483 | struct ieee80211_rx_status rx_status = {0}; |
484 | struct rtl_stats stats = { | |
485 | .signal = 0, | |
486 | .noise = -98, | |
487 | .rate = 0, | |
488 | }; | |
489 | ||
490 | skb_pull(skb, RTL_RX_DESC_SIZE); | |
491 | rtlpriv->cfg->ops->query_rx_desc(hw, &stats, &rx_status, rxdesc, skb); | |
492 | skb_pull(skb, (stats.rx_drvinfo_size + stats.rx_bufshift)); | |
493 | hdr = (struct ieee80211_hdr *)(skb->data); | |
17c9ac62 | 494 | fc = hdr->frame_control; |
7ea47240 | 495 | if (!stats.crc) { |
2ca20f79 G |
496 | memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); |
497 | ||
498 | if (is_broadcast_ether_addr(hdr->addr1)) { | |
499 | /*TODO*/; | |
500 | } else if (is_multicast_ether_addr(hdr->addr1)) { | |
501 | /*TODO*/ | |
502 | } else { | |
503 | unicast = true; | |
504 | rtlpriv->stats.rxbytesunicast += skb->len; | |
505 | } | |
506 | ||
507 | rtl_is_special_data(hw, skb, false); | |
508 | ||
509 | if (ieee80211_is_data(fc)) { | |
510 | rtlpriv->cfg->ops->led_control(hw, LED_CTL_RX); | |
511 | ||
512 | if (unicast) | |
513 | rtlpriv->link_info.num_rx_inperiod++; | |
514 | } | |
515 | if (likely(rtl_action_proc(hw, skb, false))) { | |
516 | struct sk_buff *uskb = NULL; | |
517 | u8 *pdata; | |
518 | ||
519 | uskb = dev_alloc_skb(skb->len + 128); | |
76a92be5 LF |
520 | if (uskb) { /* drop packet on allocation failure */ |
521 | memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, | |
522 | sizeof(rx_status)); | |
523 | pdata = (u8 *)skb_put(uskb, skb->len); | |
524 | memcpy(pdata, skb->data, skb->len); | |
525 | ieee80211_rx_irqsafe(hw, uskb); | |
526 | } | |
2ca20f79 | 527 | dev_kfree_skb_any(skb); |
2ca20f79 G |
528 | } else { |
529 | dev_kfree_skb_any(skb); | |
530 | } | |
531 | } | |
532 | } | |
533 | ||
534 | static void _rtl_rx_pre_process(struct ieee80211_hw *hw, struct sk_buff *skb) | |
535 | { | |
536 | struct sk_buff *_skb; | |
537 | struct sk_buff_head rx_queue; | |
538 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
539 | ||
540 | skb_queue_head_init(&rx_queue); | |
541 | if (rtlusb->usb_rx_segregate_hdl) | |
542 | rtlusb->usb_rx_segregate_hdl(hw, skb, &rx_queue); | |
543 | WARN_ON(skb_queue_empty(&rx_queue)); | |
544 | while (!skb_queue_empty(&rx_queue)) { | |
545 | _skb = skb_dequeue(&rx_queue); | |
546 | _rtl_usb_rx_process_agg(hw, skb); | |
547 | ieee80211_rx_irqsafe(hw, skb); | |
548 | } | |
549 | } | |
550 | ||
551 | static void _rtl_rx_completed(struct urb *_urb) | |
552 | { | |
553 | struct sk_buff *skb = (struct sk_buff *)_urb->context; | |
554 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
555 | struct rtl_usb *rtlusb = (struct rtl_usb *)info->rate_driver_data[0]; | |
556 | struct ieee80211_hw *hw = usb_get_intfdata(rtlusb->intf); | |
557 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
558 | int err = 0; | |
559 | ||
560 | if (unlikely(IS_USB_STOP(rtlusb))) | |
561 | goto free; | |
562 | ||
563 | if (likely(0 == _urb->status)) { | |
564 | /* If this code were moved to work queue, would CPU | |
565 | * utilization be improved? NOTE: We shall allocate another skb | |
566 | * and reuse the original one. | |
567 | */ | |
568 | skb_put(skb, _urb->actual_length); | |
569 | ||
570 | if (likely(!rtlusb->usb_rx_segregate_hdl)) { | |
571 | struct sk_buff *_skb; | |
572 | _rtl_usb_rx_process_noagg(hw, skb); | |
573 | _skb = _rtl_prep_rx_urb(hw, rtlusb, _urb, GFP_ATOMIC); | |
574 | if (IS_ERR(_skb)) { | |
575 | err = PTR_ERR(_skb); | |
576 | RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, | |
f30d7507 | 577 | "Can't allocate skb for bulk IN!\n"); |
2ca20f79 G |
578 | return; |
579 | } | |
580 | skb = _skb; | |
581 | } else{ | |
582 | /* TO DO */ | |
583 | _rtl_rx_pre_process(hw, skb); | |
292b1192 | 584 | pr_err("rx agg not supported\n"); |
2ca20f79 G |
585 | } |
586 | goto resubmit; | |
587 | } | |
588 | ||
589 | switch (_urb->status) { | |
590 | /* disconnect */ | |
591 | case -ENOENT: | |
592 | case -ECONNRESET: | |
593 | case -ENODEV: | |
594 | case -ESHUTDOWN: | |
595 | goto free; | |
596 | default: | |
597 | break; | |
598 | } | |
599 | ||
600 | resubmit: | |
601 | skb_reset_tail_pointer(skb); | |
602 | skb_trim(skb, 0); | |
603 | ||
604 | usb_anchor_urb(_urb, &rtlusb->rx_submitted); | |
605 | err = usb_submit_urb(_urb, GFP_ATOMIC); | |
606 | if (unlikely(err)) { | |
607 | usb_unanchor_urb(_urb); | |
608 | goto free; | |
609 | } | |
610 | return; | |
611 | ||
612 | free: | |
613 | dev_kfree_skb_irq(skb); | |
614 | } | |
615 | ||
616 | static int _rtl_usb_receive(struct ieee80211_hw *hw) | |
617 | { | |
618 | struct urb *urb; | |
619 | struct sk_buff *skb; | |
620 | int err; | |
621 | int i; | |
622 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
623 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
624 | ||
625 | WARN_ON(0 == rtlusb->rx_urb_num); | |
626 | /* 1600 == 1514 + max WLAN header + rtk info */ | |
627 | WARN_ON(rtlusb->rx_max_size < 1600); | |
628 | ||
629 | for (i = 0; i < rtlusb->rx_urb_num; i++) { | |
630 | err = -ENOMEM; | |
631 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
632 | if (!urb) { | |
633 | RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, | |
f30d7507 | 634 | "Failed to alloc URB!!\n"); |
2ca20f79 G |
635 | goto err_out; |
636 | } | |
637 | ||
638 | skb = _rtl_prep_rx_urb(hw, rtlusb, urb, GFP_KERNEL); | |
639 | if (IS_ERR(skb)) { | |
640 | RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, | |
f30d7507 | 641 | "Failed to prep_rx_urb!!\n"); |
2ca20f79 G |
642 | err = PTR_ERR(skb); |
643 | goto err_out; | |
644 | } | |
645 | ||
646 | usb_anchor_urb(urb, &rtlusb->rx_submitted); | |
647 | err = usb_submit_urb(urb, GFP_KERNEL); | |
648 | if (err) | |
649 | goto err_out; | |
650 | usb_free_urb(urb); | |
651 | } | |
652 | return 0; | |
653 | ||
654 | err_out: | |
655 | usb_kill_anchored_urbs(&rtlusb->rx_submitted); | |
656 | return err; | |
657 | } | |
658 | ||
659 | static int rtl_usb_start(struct ieee80211_hw *hw) | |
660 | { | |
661 | int err; | |
662 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
663 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
664 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
665 | ||
666 | err = rtlpriv->cfg->ops->hw_init(hw); | |
b0302aba LF |
667 | if (!err) { |
668 | rtl_init_rx_config(hw); | |
2ca20f79 | 669 | |
b0302aba LF |
670 | /* Enable software */ |
671 | SET_USB_START(rtlusb); | |
672 | /* should after adapter start and interrupt enable. */ | |
673 | set_hal_start(rtlhal); | |
2ca20f79 | 674 | |
b0302aba | 675 | /* Start bulk IN */ |
0c7e9207 | 676 | err = _rtl_usb_receive(hw); |
b0302aba | 677 | } |
2ca20f79 G |
678 | |
679 | return err; | |
680 | } | |
681 | /** | |
682 | * | |
683 | * | |
684 | */ | |
685 | ||
686 | /*======================= tx =========================================*/ | |
687 | static void rtl_usb_cleanup(struct ieee80211_hw *hw) | |
688 | { | |
689 | u32 i; | |
690 | struct sk_buff *_skb; | |
691 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
692 | struct ieee80211_tx_info *txinfo; | |
693 | ||
694 | SET_USB_STOP(rtlusb); | |
695 | ||
696 | /* clean up rx stuff. */ | |
697 | usb_kill_anchored_urbs(&rtlusb->rx_submitted); | |
698 | ||
699 | /* clean up tx stuff */ | |
700 | for (i = 0; i < RTL_USB_MAX_EP_NUM; i++) { | |
701 | while ((_skb = skb_dequeue(&rtlusb->tx_skb_queue[i]))) { | |
702 | rtlusb->usb_tx_cleanup(hw, _skb); | |
703 | txinfo = IEEE80211_SKB_CB(_skb); | |
704 | ieee80211_tx_info_clear_status(txinfo); | |
705 | txinfo->flags |= IEEE80211_TX_STAT_ACK; | |
706 | ieee80211_tx_status_irqsafe(hw, _skb); | |
707 | } | |
708 | usb_kill_anchored_urbs(&rtlusb->tx_pending[i]); | |
709 | } | |
710 | usb_kill_anchored_urbs(&rtlusb->tx_submitted); | |
711 | } | |
712 | ||
713 | /** | |
714 | * | |
715 | * We may add some struct into struct rtl_usb later. Do deinit here. | |
716 | * | |
717 | */ | |
718 | static void rtl_usb_deinit(struct ieee80211_hw *hw) | |
719 | { | |
720 | rtl_usb_cleanup(hw); | |
721 | } | |
722 | ||
723 | static void rtl_usb_stop(struct ieee80211_hw *hw) | |
724 | { | |
725 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
726 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
727 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
728 | ||
729 | /* should after adapter start and interrupt enable. */ | |
730 | set_hal_stop(rtlhal); | |
731 | /* Enable software */ | |
732 | SET_USB_STOP(rtlusb); | |
733 | rtl_usb_deinit(hw); | |
734 | rtlpriv->cfg->ops->hw_disable(hw); | |
735 | } | |
736 | ||
737 | static void _rtl_submit_tx_urb(struct ieee80211_hw *hw, struct urb *_urb) | |
738 | { | |
739 | int err; | |
740 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
741 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
742 | ||
743 | usb_anchor_urb(_urb, &rtlusb->tx_submitted); | |
744 | err = usb_submit_urb(_urb, GFP_ATOMIC); | |
745 | if (err < 0) { | |
746 | struct sk_buff *skb; | |
747 | ||
748 | RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, | |
f30d7507 | 749 | "Failed to submit urb\n"); |
2ca20f79 G |
750 | usb_unanchor_urb(_urb); |
751 | skb = (struct sk_buff *)_urb->context; | |
752 | kfree_skb(skb); | |
753 | } | |
754 | usb_free_urb(_urb); | |
755 | } | |
756 | ||
757 | static int _usb_tx_post(struct ieee80211_hw *hw, struct urb *urb, | |
758 | struct sk_buff *skb) | |
759 | { | |
760 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
761 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
762 | struct ieee80211_tx_info *txinfo; | |
763 | ||
764 | rtlusb->usb_tx_post_hdl(hw, urb, skb); | |
765 | skb_pull(skb, RTL_TX_HEADER_SIZE); | |
766 | txinfo = IEEE80211_SKB_CB(skb); | |
767 | ieee80211_tx_info_clear_status(txinfo); | |
768 | txinfo->flags |= IEEE80211_TX_STAT_ACK; | |
769 | ||
770 | if (urb->status) { | |
771 | RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, | |
f30d7507 | 772 | "Urb has error status 0x%X\n", urb->status); |
2ca20f79 G |
773 | goto out; |
774 | } | |
775 | /* TODO: statistics */ | |
776 | out: | |
777 | ieee80211_tx_status_irqsafe(hw, skb); | |
778 | return urb->status; | |
779 | } | |
780 | ||
781 | static void _rtl_tx_complete(struct urb *urb) | |
782 | { | |
783 | struct sk_buff *skb = (struct sk_buff *)urb->context; | |
784 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
785 | struct rtl_usb *rtlusb = (struct rtl_usb *)info->rate_driver_data[0]; | |
786 | struct ieee80211_hw *hw = usb_get_intfdata(rtlusb->intf); | |
787 | int err; | |
788 | ||
789 | if (unlikely(IS_USB_STOP(rtlusb))) | |
790 | return; | |
791 | err = _usb_tx_post(hw, urb, skb); | |
792 | if (err) { | |
793 | /* Ignore error and keep issuiing other urbs */ | |
794 | return; | |
795 | } | |
796 | } | |
797 | ||
798 | static struct urb *_rtl_usb_tx_urb_setup(struct ieee80211_hw *hw, | |
799 | struct sk_buff *skb, u32 ep_num) | |
800 | { | |
801 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
802 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
803 | struct urb *_urb; | |
804 | ||
805 | WARN_ON(NULL == skb); | |
806 | _urb = usb_alloc_urb(0, GFP_ATOMIC); | |
807 | if (!_urb) { | |
808 | RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, | |
f30d7507 | 809 | "Can't allocate URB for bulk out!\n"); |
2ca20f79 G |
810 | kfree_skb(skb); |
811 | return NULL; | |
812 | } | |
813 | _rtl_install_trx_info(rtlusb, skb, ep_num); | |
814 | usb_fill_bulk_urb(_urb, rtlusb->udev, usb_sndbulkpipe(rtlusb->udev, | |
815 | ep_num), skb->data, skb->len, _rtl_tx_complete, skb); | |
816 | _urb->transfer_flags |= URB_ZERO_PACKET; | |
817 | return _urb; | |
818 | } | |
819 | ||
820 | static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb, | |
821 | enum rtl_txq qnum) | |
822 | { | |
823 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
824 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
825 | u32 ep_num; | |
826 | struct urb *_urb = NULL; | |
827 | struct sk_buff *_skb = NULL; | |
828 | struct sk_buff_head *skb_list; | |
829 | struct usb_anchor *urb_list; | |
830 | ||
831 | WARN_ON(NULL == rtlusb->usb_tx_aggregate_hdl); | |
832 | if (unlikely(IS_USB_STOP(rtlusb))) { | |
833 | RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, | |
f30d7507 | 834 | "USB device is stopping...\n"); |
2ca20f79 G |
835 | kfree_skb(skb); |
836 | return; | |
837 | } | |
838 | ep_num = rtlusb->ep_map.ep_mapping[qnum]; | |
839 | skb_list = &rtlusb->tx_skb_queue[ep_num]; | |
840 | _skb = skb; | |
841 | _urb = _rtl_usb_tx_urb_setup(hw, _skb, ep_num); | |
842 | if (unlikely(!_urb)) { | |
843 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
f30d7507 | 844 | "Can't allocate urb. Drop skb!\n"); |
2ca20f79 G |
845 | return; |
846 | } | |
847 | urb_list = &rtlusb->tx_pending[ep_num]; | |
848 | _rtl_submit_tx_urb(hw, _urb); | |
849 | } | |
850 | ||
36323f81 TH |
851 | static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, |
852 | struct ieee80211_sta *sta, | |
853 | struct sk_buff *skb, | |
854 | u16 hw_queue) | |
2ca20f79 G |
855 | { |
856 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
857 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
858 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
859 | struct rtl_tx_desc *pdesc = NULL; | |
d93cdee9 | 860 | struct rtl_tcb_desc tcb_desc; |
2ca20f79 | 861 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); |
17c9ac62 | 862 | __le16 fc = hdr->frame_control; |
2ca20f79 G |
863 | u8 *pda_addr = hdr->addr1; |
864 | /* ssn */ | |
865 | u8 *qc = NULL; | |
866 | u8 tid = 0; | |
867 | u16 seq_number = 0; | |
868 | ||
831d8547 | 869 | memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); |
d93cdee9 | 870 | if (ieee80211_is_auth(fc)) { |
f30d7507 | 871 | RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); |
d93cdee9 C |
872 | rtl_ips_nic_on(hw); |
873 | } | |
874 | ||
875 | if (rtlpriv->psc.sw_ps_enabled) { | |
876 | if (ieee80211_is_data(fc) && !ieee80211_is_nullfunc(fc) && | |
877 | !ieee80211_has_pm(fc)) | |
878 | hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); | |
879 | } | |
880 | ||
2ca20f79 G |
881 | rtl_action_proc(hw, skb, true); |
882 | if (is_multicast_ether_addr(pda_addr)) | |
883 | rtlpriv->stats.txbytesmulticast += skb->len; | |
884 | else if (is_broadcast_ether_addr(pda_addr)) | |
885 | rtlpriv->stats.txbytesbroadcast += skb->len; | |
886 | else | |
887 | rtlpriv->stats.txbytesunicast += skb->len; | |
888 | if (ieee80211_is_data_qos(fc)) { | |
889 | qc = ieee80211_get_qos_ctl(hdr); | |
890 | tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; | |
891 | seq_number = (le16_to_cpu(hdr->seq_ctrl) & | |
892 | IEEE80211_SCTL_SEQ) >> 4; | |
893 | seq_number += 1; | |
894 | seq_number <<= 4; | |
895 | } | |
36323f81 | 896 | rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, info, sta, skb, |
d93cdee9 | 897 | hw_queue, &tcb_desc); |
2ca20f79 G |
898 | if (!ieee80211_has_morefrags(hdr->frame_control)) { |
899 | if (qc) | |
900 | mac->tids[tid].seq_number = seq_number; | |
901 | } | |
902 | if (ieee80211_is_data(fc)) | |
903 | rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX); | |
904 | } | |
905 | ||
36323f81 TH |
906 | static int rtl_usb_tx(struct ieee80211_hw *hw, |
907 | struct ieee80211_sta *sta, | |
908 | struct sk_buff *skb, | |
0baa0fd7 | 909 | struct rtl_tcb_desc *dummy) |
2ca20f79 G |
910 | { |
911 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
912 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
913 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); | |
17c9ac62 | 914 | __le16 fc = hdr->frame_control; |
2ca20f79 G |
915 | u16 hw_queue; |
916 | ||
917 | if (unlikely(is_hal_stop(rtlhal))) | |
918 | goto err_free; | |
919 | hw_queue = rtlusb->usb_mq_to_hwq(fc, skb_get_queue_mapping(skb)); | |
36323f81 | 920 | _rtl_usb_tx_preprocess(hw, sta, skb, hw_queue); |
2ca20f79 G |
921 | _rtl_usb_transmit(hw, skb, hw_queue); |
922 | return NETDEV_TX_OK; | |
923 | ||
924 | err_free: | |
925 | dev_kfree_skb_any(skb); | |
926 | return NETDEV_TX_OK; | |
927 | } | |
928 | ||
929 | static bool rtl_usb_tx_chk_waitq_insert(struct ieee80211_hw *hw, | |
36323f81 | 930 | struct ieee80211_sta *sta, |
2ca20f79 G |
931 | struct sk_buff *skb) |
932 | { | |
933 | return false; | |
934 | } | |
935 | ||
936 | static struct rtl_intf_ops rtl_usb_ops = { | |
937 | .adapter_start = rtl_usb_start, | |
938 | .adapter_stop = rtl_usb_stop, | |
939 | .adapter_tx = rtl_usb_tx, | |
940 | .waitq_insert = rtl_usb_tx_chk_waitq_insert, | |
941 | }; | |
942 | ||
9e2ff36b | 943 | int rtl_usb_probe(struct usb_interface *intf, |
2ca20f79 G |
944 | const struct usb_device_id *id) |
945 | { | |
946 | int err; | |
947 | struct ieee80211_hw *hw = NULL; | |
948 | struct rtl_priv *rtlpriv = NULL; | |
949 | struct usb_device *udev; | |
950 | struct rtl_usb_priv *usb_priv; | |
951 | ||
952 | hw = ieee80211_alloc_hw(sizeof(struct rtl_priv) + | |
953 | sizeof(struct rtl_usb_priv), &rtl_ops); | |
954 | if (!hw) { | |
9d833ed7 | 955 | RT_ASSERT(false, "ieee80211 alloc failed\n"); |
2ca20f79 G |
956 | return -ENOMEM; |
957 | } | |
958 | rtlpriv = hw->priv; | |
a7959c13 LF |
959 | rtlpriv->usb_data = kzalloc(RTL_USB_MAX_RX_COUNT * sizeof(u32), |
960 | GFP_KERNEL); | |
961 | if (!rtlpriv->usb_data) | |
962 | return -ENOMEM; | |
3ce4d85b LF |
963 | |
964 | /* this spin lock must be initialized early */ | |
965 | spin_lock_init(&rtlpriv->locks.usb_lock); | |
966 | ||
a7959c13 | 967 | rtlpriv->usb_data_index = 0; |
b0302aba | 968 | init_completion(&rtlpriv->firmware_loading_complete); |
2ca20f79 G |
969 | SET_IEEE80211_DEV(hw, &intf->dev); |
970 | udev = interface_to_usbdev(intf); | |
971 | usb_get_dev(udev); | |
972 | usb_priv = rtl_usbpriv(hw); | |
973 | memset(usb_priv, 0, sizeof(*usb_priv)); | |
974 | usb_priv->dev.intf = intf; | |
975 | usb_priv->dev.udev = udev; | |
976 | usb_set_intfdata(intf, hw); | |
977 | /* init cfg & intf_ops */ | |
978 | rtlpriv->rtlhal.interface = INTF_USB; | |
979 | rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_info); | |
980 | rtlpriv->intf_ops = &rtl_usb_ops; | |
981 | rtl_dbgp_flag_init(hw); | |
982 | /* Init IO handler */ | |
983 | _rtl_usb_io_handler_init(&udev->dev, hw); | |
984 | rtlpriv->cfg->ops->read_chip_version(hw); | |
985 | /*like read eeprom and so on */ | |
986 | rtlpriv->cfg->ops->read_eeprom_info(hw); | |
2ca20f79 | 987 | err = _rtl_usb_init(hw); |
48de1a17 LF |
988 | if (err) |
989 | goto error_out; | |
8f526ab4 | 990 | rtl_usb_init_sw(hw); |
2ca20f79 G |
991 | /* Init mac80211 sw */ |
992 | err = rtl_init_core(hw); | |
993 | if (err) { | |
994 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
f30d7507 | 995 | "Can't allocate sw for mac80211\n"); |
2ca20f79 G |
996 | goto error_out; |
997 | } | |
574e02ab LF |
998 | if (rtlpriv->cfg->ops->init_sw_vars(hw)) { |
999 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't init_sw_vars\n"); | |
1000 | goto error_out; | |
1001 | } | |
1002 | rtlpriv->cfg->ops->init_sw_leds(hw); | |
2ca20f79 | 1003 | |
2ca20f79 G |
1004 | return 0; |
1005 | error_out: | |
1006 | rtl_deinit_core(hw); | |
1007 | _rtl_usb_io_handler_release(hw); | |
2ca20f79 | 1008 | usb_put_dev(udev); |
b0302aba | 1009 | complete(&rtlpriv->firmware_loading_complete); |
2ca20f79 G |
1010 | return -ENODEV; |
1011 | } | |
1012 | EXPORT_SYMBOL(rtl_usb_probe); | |
1013 | ||
1014 | void rtl_usb_disconnect(struct usb_interface *intf) | |
1015 | { | |
1016 | struct ieee80211_hw *hw = usb_get_intfdata(intf); | |
1017 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1018 | struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); | |
1019 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
1020 | ||
1021 | if (unlikely(!rtlpriv)) | |
1022 | return; | |
b0302aba LF |
1023 | |
1024 | /* just in case driver is removed before firmware callback */ | |
1025 | wait_for_completion(&rtlpriv->firmware_loading_complete); | |
2ca20f79 G |
1026 | /*ieee80211_unregister_hw will call ops_stop */ |
1027 | if (rtlmac->mac80211_registered == 1) { | |
1028 | ieee80211_unregister_hw(hw); | |
1029 | rtlmac->mac80211_registered = 0; | |
1030 | } else { | |
1031 | rtl_deinit_deferred_work(hw); | |
1032 | rtlpriv->intf_ops->adapter_stop(hw); | |
1033 | } | |
1034 | /*deinit rfkill */ | |
1035 | /* rtl_deinit_rfkill(hw); */ | |
1036 | rtl_usb_deinit(hw); | |
1037 | rtl_deinit_core(hw); | |
a7959c13 | 1038 | kfree(rtlpriv->usb_data); |
2ca20f79 G |
1039 | rtlpriv->cfg->ops->deinit_sw_leds(hw); |
1040 | rtlpriv->cfg->ops->deinit_sw_vars(hw); | |
1041 | _rtl_usb_io_handler_release(hw); | |
1042 | usb_put_dev(rtlusb->udev); | |
1043 | usb_set_intfdata(intf, NULL); | |
1044 | ieee80211_free_hw(hw); | |
1045 | } | |
1046 | EXPORT_SYMBOL(rtl_usb_disconnect); | |
1047 | ||
1048 | int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message) | |
1049 | { | |
1050 | return 0; | |
1051 | } | |
1052 | EXPORT_SYMBOL(rtl_usb_suspend); | |
1053 | ||
1054 | int rtl_usb_resume(struct usb_interface *pusb_intf) | |
1055 | { | |
1056 | return 0; | |
1057 | } | |
1058 | EXPORT_SYMBOL(rtl_usb_resume); |