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Commit | Line | Data |
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c8d86be3 GKH |
1 | /* |
2 | This is part of rtl818x pci OpenSource driver - v 0.1 | |
3 | Copyright (C) Andrea Merello 2004-2005 <andreamrl@tiscali.it> | |
4 | Released under the terms of GPL (General Public License) | |
5 | ||
6 | Parts of this driver are based on the GPL part of the official | |
7 | Realtek driver. | |
8 | ||
9 | Parts of this driver are based on the rtl8180 driver skeleton | |
10 | from Patric Schenke & Andres Salomon. | |
11 | ||
12 | Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver. | |
13 | ||
14 | Parts of BB/RF code are derived from David Young rtl8180 netbsd driver. | |
15 | ||
16 | RSSI calc function from 'The Deuce' | |
17 | ||
18 | Some ideas borrowed from the 8139too.c driver included in linux kernel. | |
19 | ||
20 | We (I?) want to thanks the Authors of those projecs and also the | |
21 | Ndiswrapper's project Authors. | |
22 | ||
23 | A big big thanks goes also to Realtek corp. for their help in my attempt to | |
24 | add RTL8185 and RTL8225 support, and to David Young also. | |
b6d11c07 BZ |
25 | |
26 | Power management interface routines. | |
27 | Written by Mariusz Matuszek. | |
c8d86be3 GKH |
28 | */ |
29 | ||
c8d86be3 | 30 | #undef RX_DONT_PASS_UL |
c8d86be3 | 31 | #undef DUMMY_RX |
c8d86be3 | 32 | |
c8d86be3 | 33 | #include <linux/syscalls.h> |
fd882783 | 34 | |
c8d86be3 GKH |
35 | #include "r8180_hw.h" |
36 | #include "r8180.h" | |
c8d86be3 | 37 | #include "r8180_rtl8225.h" /* RTL8225 Radio frontend */ |
c8d86be3 GKH |
38 | #include "r8180_93cx6.h" /* Card EEPROM */ |
39 | #include "r8180_wx.h" | |
40 | #include "r8180_dm.h" | |
41 | ||
fd9b8d6e | 42 | #include "ieee80211/dot11d.h" |
c8d86be3 | 43 | |
c8d86be3 GKH |
44 | #ifndef PCI_VENDOR_ID_BELKIN |
45 | #define PCI_VENDOR_ID_BELKIN 0x1799 | |
46 | #endif | |
47 | #ifndef PCI_VENDOR_ID_DLINK | |
48 | #define PCI_VENDOR_ID_DLINK 0x1186 | |
49 | #endif | |
50 | ||
51 | static struct pci_device_id rtl8180_pci_id_tbl[] __devinitdata = { | |
52 | { | |
53 | .vendor = PCI_VENDOR_ID_REALTEK, | |
c8d86be3 GKH |
54 | .device = 0x8199, |
55 | .subvendor = PCI_ANY_ID, | |
56 | .subdevice = PCI_ANY_ID, | |
57 | .driver_data = 0, | |
58 | }, | |
c8d86be3 GKH |
59 | { |
60 | .vendor = 0, | |
61 | .device = 0, | |
62 | .subvendor = 0, | |
63 | .subdevice = 0, | |
64 | .driver_data = 0, | |
65 | } | |
66 | }; | |
67 | ||
68 | ||
69 | static char* ifname = "wlan%d"; | |
70 | static int hwseqnum = 0; | |
c8d86be3 GKH |
71 | static int hwwep = 0; |
72 | static int channels = 0x3fff; | |
73 | ||
74 | #define eqMacAddr(a,b) ( ((a)[0]==(b)[0] && (a)[1]==(b)[1] && (a)[2]==(b)[2] && (a)[3]==(b)[3] && (a)[4]==(b)[4] && (a)[5]==(b)[5]) ? 1:0 ) | |
75 | #define cpMacAddr(des,src) ((des)[0]=(src)[0],(des)[1]=(src)[1],(des)[2]=(src)[2],(des)[3]=(src)[3],(des)[4]=(src)[4],(des)[5]=(src)[5]) | |
76 | MODULE_LICENSE("GPL"); | |
77 | MODULE_DEVICE_TABLE(pci, rtl8180_pci_id_tbl); | |
78 | MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>"); | |
79 | MODULE_DESCRIPTION("Linux driver for Realtek RTL8180 / RTL8185 WiFi cards"); | |
80 | ||
81 | ||
c8d86be3 GKH |
82 | module_param(ifname, charp, S_IRUGO|S_IWUSR ); |
83 | module_param(hwseqnum,int, S_IRUGO|S_IWUSR); | |
84 | module_param(hwwep,int, S_IRUGO|S_IWUSR); | |
85 | module_param(channels,int, S_IRUGO|S_IWUSR); | |
c8d86be3 GKH |
86 | |
87 | MODULE_PARM_DESC(devname," Net interface name, wlan%d=default"); | |
c8d86be3 GKH |
88 | MODULE_PARM_DESC(hwseqnum," Try to use hardware 802.11 header sequence numbers. Zero=default"); |
89 | MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards"); | |
90 | MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI"); | |
91 | ||
92 | ||
93 | static int __devinit rtl8180_pci_probe(struct pci_dev *pdev, | |
94 | const struct pci_device_id *id); | |
95 | ||
96 | static void __devexit rtl8180_pci_remove(struct pci_dev *pdev); | |
97 | ||
98 | static void rtl8180_shutdown (struct pci_dev *pdev) | |
99 | { | |
100 | struct net_device *dev = pci_get_drvdata(pdev); | |
727ae303 AB |
101 | if (dev->netdev_ops->ndo_stop) |
102 | dev->netdev_ops->ndo_stop(dev); | |
c8d86be3 GKH |
103 | pci_disable_device(pdev); |
104 | } | |
105 | ||
b6d11c07 BZ |
106 | static int rtl8180_suspend(struct pci_dev *pdev, pm_message_t state) |
107 | { | |
108 | struct net_device *dev = pci_get_drvdata(pdev); | |
109 | ||
110 | if (!netif_running(dev)) | |
111 | goto out_pci_suspend; | |
112 | ||
113 | if (dev->netdev_ops->ndo_stop) | |
114 | dev->netdev_ops->ndo_stop(dev); | |
115 | ||
116 | netif_device_detach(dev); | |
117 | ||
118 | out_pci_suspend: | |
119 | pci_save_state(pdev); | |
120 | pci_disable_device(pdev); | |
121 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
122 | return 0; | |
123 | } | |
124 | ||
125 | static int rtl8180_resume(struct pci_dev *pdev) | |
126 | { | |
127 | struct net_device *dev = pci_get_drvdata(pdev); | |
128 | int err; | |
129 | u32 val; | |
130 | ||
131 | pci_set_power_state(pdev, PCI_D0); | |
132 | ||
133 | err = pci_enable_device(pdev); | |
134 | if (err) { | |
135 | printk(KERN_ERR "%s: pci_enable_device failed on resume\n", | |
136 | dev->name); | |
137 | ||
138 | return err; | |
139 | } | |
140 | ||
141 | pci_restore_state(pdev); | |
142 | ||
143 | /* | |
144 | * Suspend/Resume resets the PCI configuration space, so we have to | |
145 | * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries | |
146 | * from interfering with C3 CPU state. pci_restore_state won't help | |
147 | * here since it only restores the first 64 bytes pci config header. | |
148 | */ | |
149 | pci_read_config_dword(pdev, 0x40, &val); | |
150 | if ((val & 0x0000ff00) != 0) | |
151 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
152 | ||
153 | if (!netif_running(dev)) | |
154 | goto out; | |
155 | ||
156 | if (dev->netdev_ops->ndo_open) | |
157 | dev->netdev_ops->ndo_open(dev); | |
158 | ||
159 | netif_device_attach(dev); | |
160 | out: | |
161 | return 0; | |
162 | } | |
163 | ||
c8d86be3 | 164 | static struct pci_driver rtl8180_pci_driver = { |
fd882783 BZ |
165 | .name = RTL8180_MODULE_NAME, |
166 | .id_table = rtl8180_pci_id_tbl, | |
167 | .probe = rtl8180_pci_probe, | |
168 | .remove = __devexit_p(rtl8180_pci_remove), | |
169 | .suspend = rtl8180_suspend, | |
170 | .resume = rtl8180_resume, | |
c8d86be3 GKH |
171 | .shutdown = rtl8180_shutdown, |
172 | }; | |
173 | ||
c8d86be3 GKH |
174 | u8 read_nic_byte(struct net_device *dev, int x) |
175 | { | |
176 | return 0xff&readb((u8*)dev->mem_start +x); | |
177 | } | |
178 | ||
179 | u32 read_nic_dword(struct net_device *dev, int x) | |
180 | { | |
181 | return readl((u8*)dev->mem_start +x); | |
182 | } | |
183 | ||
184 | u16 read_nic_word(struct net_device *dev, int x) | |
185 | { | |
186 | return readw((u8*)dev->mem_start +x); | |
187 | } | |
188 | ||
189 | void write_nic_byte(struct net_device *dev, int x,u8 y) | |
190 | { | |
191 | writeb(y,(u8*)dev->mem_start +x); | |
192 | udelay(20); | |
193 | } | |
194 | ||
195 | void write_nic_dword(struct net_device *dev, int x,u32 y) | |
196 | { | |
197 | writel(y,(u8*)dev->mem_start +x); | |
198 | udelay(20); | |
199 | } | |
200 | ||
201 | void write_nic_word(struct net_device *dev, int x,u16 y) | |
202 | { | |
203 | writew(y,(u8*)dev->mem_start +x); | |
204 | udelay(20); | |
205 | } | |
206 | ||
c8d86be3 GKH |
207 | inline void force_pci_posting(struct net_device *dev) |
208 | { | |
209 | read_nic_byte(dev,EPROM_CMD); | |
c8d86be3 | 210 | mb(); |
c8d86be3 GKH |
211 | } |
212 | ||
c8d86be3 GKH |
213 | irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs); |
214 | void set_nic_rxring(struct net_device *dev); | |
215 | void set_nic_txring(struct net_device *dev); | |
216 | static struct net_device_stats *rtl8180_stats(struct net_device *dev); | |
217 | void rtl8180_commit(struct net_device *dev); | |
218 | void rtl8180_start_tx_beacon(struct net_device *dev); | |
219 | ||
c8d86be3 GKH |
220 | static struct proc_dir_entry *rtl8180_proc = NULL; |
221 | ||
222 | static int proc_get_registers(char *page, char **start, | |
223 | off_t offset, int count, | |
224 | int *eof, void *data) | |
225 | { | |
226 | struct net_device *dev = data; | |
c8d86be3 GKH |
227 | int len = 0; |
228 | int i,n; | |
fd882783 | 229 | int max = 0xff; |
c8d86be3 GKH |
230 | |
231 | /* This dump the current register page */ | |
fd882783 BZ |
232 | for (n = 0; n <= max;) { |
233 | len += snprintf(page + len, count - len, "\nD: %2x > ", n); | |
c8d86be3 | 234 | |
fd882783 BZ |
235 | for (i = 0; i < 16 && n <= max; i++, n++) |
236 | len += snprintf(page + len, count - len, "%2x ", | |
237 | read_nic_byte(dev, n)); | |
c8d86be3 GKH |
238 | } |
239 | len += snprintf(page + len, count - len,"\n"); | |
240 | ||
c8d86be3 GKH |
241 | *eof = 1; |
242 | return len; | |
c8d86be3 GKH |
243 | } |
244 | ||
245 | int get_curr_tx_free_desc(struct net_device *dev, int priority); | |
246 | ||
247 | static int proc_get_stats_hw(char *page, char **start, | |
248 | off_t offset, int count, | |
249 | int *eof, void *data) | |
250 | { | |
c8d86be3 | 251 | int len = 0; |
c8d86be3 | 252 | |
c8d86be3 GKH |
253 | *eof = 1; |
254 | return len; | |
255 | } | |
256 | ||
c8d86be3 GKH |
257 | static int proc_get_stats_rx(char *page, char **start, |
258 | off_t offset, int count, | |
259 | int *eof, void *data) | |
260 | { | |
261 | struct net_device *dev = data; | |
262 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
263 | ||
264 | int len = 0; | |
265 | ||
266 | len += snprintf(page + len, count - len, | |
c8d86be3 GKH |
267 | "RX OK: %lu\n" |
268 | "RX Retry: %lu\n" | |
269 | "RX CRC Error(0-500): %lu\n" | |
270 | "RX CRC Error(500-1000): %lu\n" | |
271 | "RX CRC Error(>1000): %lu\n" | |
272 | "RX ICV Error: %lu\n", | |
273 | priv->stats.rxint, | |
274 | priv->stats.rxerr, | |
275 | priv->stats.rxcrcerrmin, | |
276 | priv->stats.rxcrcerrmid, | |
277 | priv->stats.rxcrcerrmax, | |
278 | priv->stats.rxicverr | |
279 | ); | |
280 | ||
281 | *eof = 1; | |
282 | return len; | |
283 | } | |
284 | ||
c8d86be3 GKH |
285 | static int proc_get_stats_tx(char *page, char **start, |
286 | off_t offset, int count, | |
287 | int *eof, void *data) | |
288 | { | |
289 | struct net_device *dev = data; | |
290 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
291 | ||
292 | int len = 0; | |
293 | unsigned long totalOK; | |
294 | ||
295 | totalOK=priv->stats.txnpokint+priv->stats.txhpokint+priv->stats.txlpokint; | |
296 | len += snprintf(page + len, count - len, | |
c8d86be3 GKH |
297 | "TX OK: %lu\n" |
298 | "TX Error: %lu\n" | |
299 | "TX Retry: %lu\n" | |
300 | "TX beacon OK: %lu\n" | |
301 | "TX beacon error: %lu\n", | |
302 | totalOK, | |
303 | priv->stats.txnperr+priv->stats.txhperr+priv->stats.txlperr, | |
304 | priv->stats.txretry, | |
305 | priv->stats.txbeacon, | |
306 | priv->stats.txbeaconerr | |
307 | ); | |
308 | ||
309 | *eof = 1; | |
310 | return len; | |
311 | } | |
312 | ||
c8d86be3 GKH |
313 | void rtl8180_proc_module_init(void) |
314 | { | |
315 | DMESG("Initializing proc filesystem"); | |
c8d86be3 | 316 | rtl8180_proc=create_proc_entry(RTL8180_MODULE_NAME, S_IFDIR, init_net.proc_net); |
c8d86be3 GKH |
317 | } |
318 | ||
c8d86be3 GKH |
319 | void rtl8180_proc_module_remove(void) |
320 | { | |
c8d86be3 | 321 | remove_proc_entry(RTL8180_MODULE_NAME, init_net.proc_net); |
c8d86be3 GKH |
322 | } |
323 | ||
c8d86be3 GKH |
324 | void rtl8180_proc_remove_one(struct net_device *dev) |
325 | { | |
326 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
327 | if (priv->dir_dev) { | |
328 | remove_proc_entry("stats-hw", priv->dir_dev); | |
329 | remove_proc_entry("stats-tx", priv->dir_dev); | |
330 | remove_proc_entry("stats-rx", priv->dir_dev); | |
c8d86be3 GKH |
331 | remove_proc_entry("registers", priv->dir_dev); |
332 | remove_proc_entry(dev->name, rtl8180_proc); | |
333 | priv->dir_dev = NULL; | |
334 | } | |
335 | } | |
336 | ||
c8d86be3 GKH |
337 | void rtl8180_proc_init_one(struct net_device *dev) |
338 | { | |
339 | struct proc_dir_entry *e; | |
340 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
fd882783 | 341 | |
be286fd2 | 342 | priv->dir_dev = rtl8180_proc; |
c8d86be3 | 343 | if (!priv->dir_dev) { |
be286fd2 | 344 | DMESGE("Unable to initialize /proc/net/r8180/%s\n", |
c8d86be3 GKH |
345 | dev->name); |
346 | return; | |
347 | } | |
348 | ||
349 | e = create_proc_read_entry("stats-hw", S_IFREG | S_IRUGO, | |
350 | priv->dir_dev, proc_get_stats_hw, dev); | |
c8d86be3 GKH |
351 | if (!e) { |
352 | DMESGE("Unable to initialize " | |
be286fd2 | 353 | "/proc/net/r8180/%s/stats-hw\n", |
c8d86be3 GKH |
354 | dev->name); |
355 | } | |
356 | ||
357 | e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO, | |
358 | priv->dir_dev, proc_get_stats_rx, dev); | |
c8d86be3 GKH |
359 | if (!e) { |
360 | DMESGE("Unable to initialize " | |
be286fd2 | 361 | "/proc/net/r8180/%s/stats-rx\n", |
c8d86be3 GKH |
362 | dev->name); |
363 | } | |
364 | ||
365 | ||
366 | e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO, | |
367 | priv->dir_dev, proc_get_stats_tx, dev); | |
c8d86be3 GKH |
368 | if (!e) { |
369 | DMESGE("Unable to initialize " | |
be286fd2 | 370 | "/proc/net/r8180/%s/stats-tx\n", |
c8d86be3 GKH |
371 | dev->name); |
372 | } | |
c8d86be3 GKH |
373 | |
374 | e = create_proc_read_entry("registers", S_IFREG | S_IRUGO, | |
375 | priv->dir_dev, proc_get_registers, dev); | |
c8d86be3 GKH |
376 | if (!e) { |
377 | DMESGE("Unable to initialize " | |
be286fd2 | 378 | "/proc/net/r8180/%s/registers\n", |
c8d86be3 GKH |
379 | dev->name); |
380 | } | |
381 | } | |
fd882783 | 382 | |
c8d86be3 GKH |
383 | /* |
384 | FIXME: check if we can use some standard already-existent | |
385 | data type+functions in kernel | |
386 | */ | |
387 | ||
388 | short buffer_add(struct buffer **buffer, u32 *buf, dma_addr_t dma, | |
389 | struct buffer **bufferhead) | |
390 | { | |
c8d86be3 GKH |
391 | struct buffer *tmp; |
392 | ||
393 | if(! *buffer){ | |
394 | ||
395 | *buffer = kmalloc(sizeof(struct buffer),GFP_KERNEL); | |
396 | ||
397 | if (*buffer == NULL) { | |
398 | DMESGE("Failed to kmalloc head of TX/RX struct"); | |
399 | return -1; | |
400 | } | |
401 | (*buffer)->next=*buffer; | |
402 | (*buffer)->buf=buf; | |
403 | (*buffer)->dma=dma; | |
404 | if(bufferhead !=NULL) | |
405 | (*bufferhead) = (*buffer); | |
406 | return 0; | |
407 | } | |
408 | tmp=*buffer; | |
409 | ||
410 | while(tmp->next!=(*buffer)) tmp=tmp->next; | |
411 | if ((tmp->next= kmalloc(sizeof(struct buffer),GFP_KERNEL)) == NULL){ | |
412 | DMESGE("Failed to kmalloc TX/RX struct"); | |
413 | return -1; | |
414 | } | |
415 | tmp->next->buf=buf; | |
416 | tmp->next->dma=dma; | |
417 | tmp->next->next=*buffer; | |
418 | ||
419 | return 0; | |
420 | } | |
421 | ||
c8d86be3 GKH |
422 | void buffer_free(struct net_device *dev,struct buffer **buffer,int len,short |
423 | consistent) | |
424 | { | |
425 | ||
426 | struct buffer *tmp,*next; | |
427 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
428 | struct pci_dev *pdev=priv->pdev; | |
c8d86be3 | 429 | |
fd882783 BZ |
430 | if (!*buffer) |
431 | return; | |
c8d86be3 | 432 | |
fd882783 | 433 | tmp = *buffer; |
c8d86be3 | 434 | |
c8d86be3 GKH |
435 | do{ |
436 | next=tmp->next; | |
437 | if(consistent){ | |
438 | pci_free_consistent(pdev,len, | |
439 | tmp->buf,tmp->dma); | |
440 | }else{ | |
441 | pci_unmap_single(pdev, tmp->dma, | |
442 | len,PCI_DMA_FROMDEVICE); | |
443 | kfree(tmp->buf); | |
444 | } | |
445 | kfree(tmp); | |
446 | tmp = next; | |
447 | } | |
448 | while(next != *buffer); | |
449 | ||
450 | *buffer=NULL; | |
451 | } | |
452 | ||
c8d86be3 GKH |
453 | void print_buffer(u32 *buffer, int len) |
454 | { | |
455 | int i; | |
456 | u8 *buf =(u8*)buffer; | |
457 | ||
458 | printk("ASCII BUFFER DUMP (len: %x):\n",len); | |
459 | ||
460 | for(i=0;i<len;i++) | |
461 | printk("%c",buf[i]); | |
462 | ||
463 | printk("\nBINARY BUFFER DUMP (len: %x):\n",len); | |
464 | ||
465 | for(i=0;i<len;i++) | |
466 | printk("%02x",buf[i]); | |
467 | ||
468 | printk("\n"); | |
469 | } | |
470 | ||
c8d86be3 GKH |
471 | int get_curr_tx_free_desc(struct net_device *dev, int priority) |
472 | { | |
473 | struct r8180_priv *priv = ieee80211_priv(dev); | |
474 | u32* tail; | |
475 | u32* head; | |
476 | int ret; | |
477 | ||
478 | switch (priority){ | |
479 | case MANAGE_PRIORITY: | |
480 | head = priv->txmapringhead; | |
481 | tail = priv->txmapringtail; | |
482 | break; | |
483 | case BK_PRIORITY: | |
484 | head = priv->txbkpringhead; | |
485 | tail = priv->txbkpringtail; | |
486 | break; | |
487 | case BE_PRIORITY: | |
488 | head = priv->txbepringhead; | |
489 | tail = priv->txbepringtail; | |
490 | break; | |
491 | case VI_PRIORITY: | |
492 | head = priv->txvipringhead; | |
493 | tail = priv->txvipringtail; | |
494 | break; | |
495 | case VO_PRIORITY: | |
496 | head = priv->txvopringhead; | |
497 | tail = priv->txvopringtail; | |
498 | break; | |
499 | case HI_PRIORITY: | |
500 | head = priv->txhpringhead; | |
501 | tail = priv->txhpringtail; | |
502 | break; | |
503 | default: | |
504 | return -1; | |
505 | } | |
506 | ||
fd882783 | 507 | if (head <= tail) |
c8d86be3 GKH |
508 | ret = priv->txringcount - (tail - head)/8; |
509 | else | |
510 | ret = (head - tail)/8; | |
511 | ||
fd882783 BZ |
512 | if (ret > priv->txringcount) |
513 | DMESG("BUG"); | |
514 | ||
c8d86be3 | 515 | return ret; |
c8d86be3 GKH |
516 | } |
517 | ||
c8d86be3 GKH |
518 | short check_nic_enought_desc(struct net_device *dev, int priority) |
519 | { | |
520 | struct r8180_priv *priv = ieee80211_priv(dev); | |
521 | struct ieee80211_device *ieee = netdev_priv(dev); | |
c8d86be3 | 522 | int requiredbyte, required; |
fd882783 | 523 | |
c8d86be3 GKH |
524 | requiredbyte = priv->ieee80211->fts + sizeof(struct ieee80211_header_data); |
525 | ||
fd882783 | 526 | if (ieee->current_network.QoS_Enable) |
c8d86be3 | 527 | requiredbyte += 2; |
c8d86be3 GKH |
528 | |
529 | required = requiredbyte / (priv->txbuffsize-4); | |
fd882783 BZ |
530 | |
531 | if (requiredbyte % priv->txbuffsize) | |
532 | required++; | |
533 | ||
c8d86be3 GKH |
534 | /* for now we keep two free descriptor as a safety boundary |
535 | * between the tail and the head | |
536 | */ | |
537 | ||
538 | return (required+2 < get_curr_tx_free_desc(dev,priority)); | |
539 | } | |
540 | ||
c8d86be3 GKH |
541 | void fix_tx_fifo(struct net_device *dev) |
542 | { | |
543 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
544 | u32 *tmp; | |
545 | int i; | |
ff954853 | 546 | |
c8d86be3 GKH |
547 | for (tmp=priv->txmapring, i=0; |
548 | i < priv->txringcount; | |
549 | tmp+=8, i++){ | |
550 | *tmp = *tmp &~ (1<<31); | |
551 | } | |
552 | ||
553 | for (tmp=priv->txbkpring, i=0; | |
554 | i < priv->txringcount; | |
555 | tmp+=8, i++) { | |
556 | *tmp = *tmp &~ (1<<31); | |
557 | } | |
558 | ||
559 | for (tmp=priv->txbepring, i=0; | |
560 | i < priv->txringcount; | |
561 | tmp+=8, i++){ | |
562 | *tmp = *tmp &~ (1<<31); | |
563 | } | |
564 | for (tmp=priv->txvipring, i=0; | |
565 | i < priv->txringcount; | |
566 | tmp+=8, i++) { | |
567 | *tmp = *tmp &~ (1<<31); | |
568 | } | |
569 | ||
570 | for (tmp=priv->txvopring, i=0; | |
571 | i < priv->txringcount; | |
572 | tmp+=8, i++){ | |
573 | *tmp = *tmp &~ (1<<31); | |
574 | } | |
575 | ||
576 | for (tmp=priv->txhpring, i=0; | |
577 | i < priv->txringcount; | |
578 | tmp+=8,i++){ | |
579 | *tmp = *tmp &~ (1<<31); | |
580 | } | |
581 | ||
582 | for (tmp=priv->txbeaconring, i=0; | |
583 | i < priv->txbeaconcount; | |
584 | tmp+=8, i++){ | |
585 | *tmp = *tmp &~ (1<<31); | |
586 | } | |
ff954853 | 587 | |
c8d86be3 GKH |
588 | priv->txmapringtail = priv->txmapring; |
589 | priv->txmapringhead = priv->txmapring; | |
590 | priv->txmapbufstail = priv->txmapbufs; | |
591 | ||
592 | priv->txbkpringtail = priv->txbkpring; | |
593 | priv->txbkpringhead = priv->txbkpring; | |
594 | priv->txbkpbufstail = priv->txbkpbufs; | |
595 | ||
596 | priv->txbepringtail = priv->txbepring; | |
597 | priv->txbepringhead = priv->txbepring; | |
598 | priv->txbepbufstail = priv->txbepbufs; | |
599 | ||
600 | priv->txvipringtail = priv->txvipring; | |
601 | priv->txvipringhead = priv->txvipring; | |
602 | priv->txvipbufstail = priv->txvipbufs; | |
603 | ||
604 | priv->txvopringtail = priv->txvopring; | |
605 | priv->txvopringhead = priv->txvopring; | |
606 | priv->txvopbufstail = priv->txvopbufs; | |
607 | ||
608 | priv->txhpringtail = priv->txhpring; | |
609 | priv->txhpringhead = priv->txhpring; | |
610 | priv->txhpbufstail = priv->txhpbufs; | |
611 | ||
612 | priv->txbeaconringtail = priv->txbeaconring; | |
613 | priv->txbeaconbufstail = priv->txbeaconbufs; | |
614 | set_nic_txring(dev); | |
615 | ||
616 | ieee80211_reset_queue(priv->ieee80211); | |
617 | priv->ack_tx_to_ieee = 0; | |
618 | } | |
619 | ||
c8d86be3 GKH |
620 | void fix_rx_fifo(struct net_device *dev) |
621 | { | |
622 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
623 | u32 *tmp; | |
624 | struct buffer *rxbuf; | |
625 | u8 rx_desc_size; | |
626 | ||
c8d86be3 | 627 | rx_desc_size = 8; // 4*8 = 32 bytes |
c8d86be3 | 628 | |
c8d86be3 GKH |
629 | for (tmp=priv->rxring, rxbuf=priv->rxbufferhead; |
630 | (tmp < (priv->rxring)+(priv->rxringcount)*rx_desc_size); | |
631 | tmp+=rx_desc_size,rxbuf=rxbuf->next){ | |
632 | *(tmp+2) = rxbuf->dma; | |
633 | *tmp=*tmp &~ 0xfff; | |
634 | *tmp=*tmp | priv->rxbuffersize; | |
635 | *tmp |= (1<<31); | |
636 | } | |
637 | ||
c8d86be3 GKH |
638 | priv->rxringtail=priv->rxring; |
639 | priv->rxbuffer=priv->rxbufferhead; | |
640 | priv->rx_skb_complete=1; | |
641 | set_nic_rxring(dev); | |
642 | } | |
643 | ||
c8d86be3 | 644 | unsigned char QUALITY_MAP[] = { |
fd882783 BZ |
645 | 0x64, 0x64, 0x64, 0x63, 0x63, 0x62, 0x62, 0x61, |
646 | 0x61, 0x60, 0x60, 0x5f, 0x5f, 0x5e, 0x5d, 0x5c, | |
647 | 0x5b, 0x5a, 0x59, 0x57, 0x56, 0x54, 0x52, 0x4f, | |
648 | 0x4c, 0x49, 0x45, 0x41, 0x3c, 0x37, 0x31, 0x29, | |
649 | 0x24, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, | |
650 | 0x22, 0x22, 0x21, 0x21, 0x21, 0x21, 0x21, 0x20, | |
651 | 0x20, 0x20, 0x20, 0x1f, 0x1f, 0x1e, 0x1e, 0x1e, | |
652 | 0x1d, 0x1d, 0x1c, 0x1c, 0x1b, 0x1a, 0x19, 0x19, | |
653 | 0x18, 0x17, 0x16, 0x15, 0x14, 0x12, 0x11, 0x0f, | |
654 | 0x0e, 0x0c, 0x0a, 0x08, 0x06, 0x04, 0x01, 0x00 | |
c8d86be3 GKH |
655 | }; |
656 | ||
657 | unsigned char STRENGTH_MAP[] = { | |
fd882783 BZ |
658 | 0x64, 0x64, 0x63, 0x62, 0x61, 0x60, 0x5f, 0x5e, |
659 | 0x5d, 0x5c, 0x5b, 0x5a, 0x57, 0x54, 0x52, 0x50, | |
660 | 0x4e, 0x4c, 0x4a, 0x48, 0x46, 0x44, 0x41, 0x3f, | |
661 | 0x3c, 0x3a, 0x37, 0x36, 0x36, 0x1c, 0x1c, 0x1b, | |
662 | 0x1b, 0x1a, 0x1a, 0x19, 0x19, 0x18, 0x18, 0x17, | |
663 | 0x17, 0x16, 0x16, 0x15, 0x15, 0x14, 0x14, 0x13, | |
664 | 0x13, 0x12, 0x12, 0x11, 0x11, 0x10, 0x10, 0x0f, | |
665 | 0x0f, 0x0e, 0x0e, 0x0d, 0x0d, 0x0c, 0x0c, 0x0b, | |
666 | 0x0b, 0x0a, 0x0a, 0x09, 0x09, 0x08, 0x08, 0x07, | |
667 | 0x07, 0x06, 0x06, 0x05, 0x04, 0x03, 0x02, 0x00 | |
c8d86be3 GKH |
668 | }; |
669 | ||
fd882783 BZ |
670 | void rtl8180_RSSI_calc(struct net_device *dev, u8 *rssi, u8 *qual) |
671 | { | |
c8d86be3 GKH |
672 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
673 | u32 temp; | |
674 | u32 temp2; | |
675 | u32 temp3; | |
676 | u32 lsb; | |
677 | u32 q; | |
678 | u32 orig_qual; | |
679 | u8 _rssi; | |
680 | ||
681 | q = *qual; | |
682 | orig_qual = *qual; | |
683 | _rssi = 0; // avoid gcc complains.. | |
684 | ||
685 | if (q <= 0x4e) { | |
686 | temp = QUALITY_MAP[q]; | |
687 | } else { | |
688 | if( q & 0x80 ) { | |
689 | temp = 0x32; | |
690 | } else { | |
691 | temp = 1; | |
692 | } | |
693 | } | |
694 | ||
695 | *qual = temp; | |
696 | temp2 = *rssi; | |
697 | ||
698 | switch(priv->rf_chip){ | |
699 | case RFCHIPID_RFMD: | |
700 | lsb = temp2 & 1; | |
701 | temp2 &= 0x7e; | |
702 | if ( !lsb || !(temp2 <= 0x3c) ) { | |
703 | temp2 = 0x64; | |
704 | } else { | |
705 | temp2 = 100 * temp2 / 0x3c; | |
706 | } | |
707 | *rssi = temp2 & 0xff; | |
708 | _rssi = temp2 & 0xff; | |
709 | break; | |
710 | case RFCHIPID_INTERSIL: | |
711 | lsb = temp2; | |
712 | temp2 &= 0xfffffffe; | |
713 | temp2 *= 251; | |
714 | temp3 = temp2; | |
715 | temp2 <<= 6; | |
716 | temp3 += temp2; | |
717 | temp3 <<= 1; | |
718 | temp2 = 0x4950df; | |
719 | temp2 -= temp3; | |
720 | lsb &= 1; | |
721 | if ( temp2 <= 0x3e0000 ) { | |
722 | if ( temp2 < 0xffef0000 ) | |
723 | temp2 = 0xffef0000; | |
724 | } else { | |
725 | temp2 = 0x3e0000; | |
726 | } | |
727 | if ( !lsb ) { | |
728 | temp2 -= 0xf0000; | |
729 | } else { | |
730 | temp2 += 0xf0000; | |
731 | } | |
732 | ||
733 | temp3 = 0x4d0000; | |
734 | temp3 -= temp2; | |
735 | temp3 *= 100; | |
736 | temp3 = temp3 / 0x6d; | |
737 | temp3 >>= 0x10; | |
738 | _rssi = temp3 & 0xff; | |
739 | *rssi = temp3 & 0xff; | |
740 | break; | |
741 | case RFCHIPID_GCT: | |
742 | lsb = temp2 & 1; | |
743 | temp2 &= 0x7e; | |
744 | if ( ! lsb || !(temp2 <= 0x3c) ){ | |
745 | temp2 = 0x64; | |
746 | } else { | |
747 | temp2 = (100 * temp2) / 0x3c; | |
748 | } | |
749 | *rssi = temp2 & 0xff; | |
750 | _rssi = temp2 & 0xff; | |
751 | break; | |
752 | case RFCHIPID_PHILIPS: | |
753 | if( orig_qual <= 0x4e ){ | |
754 | _rssi = STRENGTH_MAP[orig_qual]; | |
755 | *rssi = _rssi; | |
756 | } else { | |
757 | orig_qual -= 0x80; | |
758 | if ( !orig_qual ){ | |
759 | _rssi = 1; | |
760 | *rssi = 1; | |
761 | } else { | |
762 | _rssi = 0x32; | |
763 | *rssi = 0x32; | |
764 | } | |
765 | } | |
766 | break; | |
c8d86be3 GKH |
767 | case RFCHIPID_MAXIM: |
768 | lsb = temp2 & 1; | |
769 | temp2 &= 0x7e; | |
770 | temp2 >>= 1; | |
771 | temp2 += 0x42; | |
772 | if( lsb != 0 ){ | |
773 | temp2 += 0xa; | |
774 | } | |
775 | *rssi = temp2 & 0xff; | |
776 | _rssi = temp2 & 0xff; | |
777 | break; | |
778 | } | |
779 | ||
780 | if ( _rssi < 0x64 ){ | |
781 | if ( _rssi == 0 ) { | |
782 | *rssi = 1; | |
783 | } | |
784 | } else { | |
785 | *rssi = 0x64; | |
786 | } | |
787 | ||
788 | return; | |
789 | } | |
790 | ||
c8d86be3 GKH |
791 | void rtl8180_irq_enable(struct net_device *dev) |
792 | { | |
793 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
fd882783 | 794 | |
c8d86be3 | 795 | priv->irq_enabled = 1; |
c8d86be3 GKH |
796 | write_nic_word(dev,INTA_MASK, priv->irq_mask); |
797 | } | |
798 | ||
c8d86be3 GKH |
799 | void rtl8180_irq_disable(struct net_device *dev) |
800 | { | |
801 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
802 | ||
c8d86be3 | 803 | write_nic_dword(dev,IMR,0); |
c8d86be3 GKH |
804 | force_pci_posting(dev); |
805 | priv->irq_enabled = 0; | |
806 | } | |
807 | ||
c8d86be3 GKH |
808 | void rtl8180_set_mode(struct net_device *dev,int mode) |
809 | { | |
810 | u8 ecmd; | |
fd882783 | 811 | |
c8d86be3 GKH |
812 | ecmd=read_nic_byte(dev, EPROM_CMD); |
813 | ecmd=ecmd &~ EPROM_CMD_OPERATING_MODE_MASK; | |
814 | ecmd=ecmd | (mode<<EPROM_CMD_OPERATING_MODE_SHIFT); | |
815 | ecmd=ecmd &~ (1<<EPROM_CS_SHIFT); | |
816 | ecmd=ecmd &~ (1<<EPROM_CK_SHIFT); | |
817 | write_nic_byte(dev, EPROM_CMD, ecmd); | |
818 | } | |
819 | ||
820 | void rtl8180_adapter_start(struct net_device *dev); | |
821 | void rtl8180_beacon_tx_enable(struct net_device *dev); | |
822 | ||
823 | void rtl8180_update_msr(struct net_device *dev) | |
824 | { | |
825 | struct r8180_priv *priv = ieee80211_priv(dev); | |
826 | u8 msr; | |
827 | u32 rxconf; | |
828 | ||
829 | msr = read_nic_byte(dev, MSR); | |
830 | msr &= ~ MSR_LINK_MASK; | |
831 | ||
832 | rxconf=read_nic_dword(dev,RX_CONF); | |
833 | ||
834 | if(priv->ieee80211->state == IEEE80211_LINKED) | |
835 | { | |
836 | if(priv->ieee80211->iw_mode == IW_MODE_ADHOC) | |
837 | msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT); | |
838 | else if (priv->ieee80211->iw_mode == IW_MODE_MASTER) | |
839 | msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT); | |
840 | else if (priv->ieee80211->iw_mode == IW_MODE_INFRA) | |
841 | msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT); | |
842 | else | |
843 | msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT); | |
844 | rxconf |= (1<<RX_CHECK_BSSID_SHIFT); | |
845 | ||
846 | }else { | |
847 | msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT); | |
848 | rxconf &= ~(1<<RX_CHECK_BSSID_SHIFT); | |
849 | } | |
850 | ||
851 | write_nic_byte(dev, MSR, msr); | |
852 | write_nic_dword(dev, RX_CONF, rxconf); | |
c8d86be3 GKH |
853 | } |
854 | ||
c8d86be3 GKH |
855 | void rtl8180_set_chan(struct net_device *dev,short ch) |
856 | { | |
857 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
858 | ||
fd882783 | 859 | if ((ch > 14) || (ch < 1)) { |
d599edca | 860 | printk("In %s: Invalid chnanel %d\n", __func__, ch); |
c8d86be3 GKH |
861 | return; |
862 | } | |
863 | ||
864 | priv->chan=ch; | |
c8d86be3 | 865 | priv->rf_set_chan(dev,priv->chan); |
c8d86be3 GKH |
866 | } |
867 | ||
c8d86be3 GKH |
868 | void rtl8180_rx_enable(struct net_device *dev) |
869 | { | |
870 | u8 cmd; | |
871 | u32 rxconf; | |
872 | /* for now we accept data, management & ctl frame*/ | |
873 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
874 | ||
875 | rxconf=read_nic_dword(dev,RX_CONF); | |
876 | rxconf = rxconf &~ MAC_FILTER_MASK; | |
877 | rxconf = rxconf | (1<<ACCEPT_MNG_FRAME_SHIFT); | |
878 | rxconf = rxconf | (1<<ACCEPT_DATA_FRAME_SHIFT); | |
879 | rxconf = rxconf | (1<<ACCEPT_BCAST_FRAME_SHIFT); | |
880 | rxconf = rxconf | (1<<ACCEPT_MCAST_FRAME_SHIFT); | |
fd882783 BZ |
881 | if (dev->flags & IFF_PROMISC) |
882 | DMESG("NIC in promisc mode"); | |
c8d86be3 GKH |
883 | |
884 | if(priv->ieee80211->iw_mode == IW_MODE_MONITOR || \ | |
885 | dev->flags & IFF_PROMISC){ | |
886 | rxconf = rxconf | (1<<ACCEPT_ALLMAC_FRAME_SHIFT); | |
887 | }else{ | |
888 | rxconf = rxconf | (1<<ACCEPT_NICMAC_FRAME_SHIFT); | |
889 | if(priv->card_8185 == 0) | |
890 | rxconf = rxconf | (1<<RX_CHECK_BSSID_SHIFT); | |
891 | } | |
892 | ||
c8d86be3 GKH |
893 | if(priv->ieee80211->iw_mode == IW_MODE_MONITOR){ |
894 | rxconf = rxconf | (1<<ACCEPT_CTL_FRAME_SHIFT); | |
895 | rxconf = rxconf | (1<<ACCEPT_ICVERR_FRAME_SHIFT); | |
896 | rxconf = rxconf | (1<<ACCEPT_PWR_FRAME_SHIFT); | |
897 | } | |
898 | ||
899 | if( priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR) | |
900 | rxconf = rxconf | (1<<ACCEPT_CRCERR_FRAME_SHIFT); | |
901 | ||
fd882783 BZ |
902 | rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK; |
903 | rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT); | |
c8d86be3 GKH |
904 | |
905 | rxconf = rxconf | (1<<RX_AUTORESETPHY_SHIFT); | |
906 | rxconf = rxconf &~ MAX_RX_DMA_MASK; | |
907 | rxconf = rxconf | (MAX_RX_DMA_2048<<MAX_RX_DMA_SHIFT); | |
908 | ||
fd882783 | 909 | rxconf = rxconf | RCR_ONLYERLPKT; |
c8d86be3 GKH |
910 | |
911 | rxconf = rxconf &~ RCR_CS_MASK; | |
fd882783 BZ |
912 | |
913 | if (!priv->card_8185) | |
c8d86be3 | 914 | rxconf |= (priv->rcr_csense<<RCR_CS_SHIFT); |
fd882783 | 915 | |
c8d86be3 GKH |
916 | write_nic_dword(dev, RX_CONF, rxconf); |
917 | ||
918 | fix_rx_fifo(dev); | |
919 | ||
c8d86be3 GKH |
920 | cmd=read_nic_byte(dev,CMD); |
921 | write_nic_byte(dev,CMD,cmd | (1<<CMD_RX_ENABLE_SHIFT)); | |
c8d86be3 GKH |
922 | } |
923 | ||
c8d86be3 GKH |
924 | void set_nic_txring(struct net_device *dev) |
925 | { | |
926 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
c8d86be3 GKH |
927 | |
928 | write_nic_dword(dev, TX_MANAGEPRIORITY_RING_ADDR, priv->txmapringdma); | |
c8d86be3 | 929 | write_nic_dword(dev, TX_BKPRIORITY_RING_ADDR, priv->txbkpringdma); |
c8d86be3 | 930 | write_nic_dword(dev, TX_BEPRIORITY_RING_ADDR, priv->txbepringdma); |
c8d86be3 | 931 | write_nic_dword(dev, TX_VIPRIORITY_RING_ADDR, priv->txvipringdma); |
c8d86be3 | 932 | write_nic_dword(dev, TX_VOPRIORITY_RING_ADDR, priv->txvopringdma); |
c8d86be3 | 933 | write_nic_dword(dev, TX_HIGHPRIORITY_RING_ADDR, priv->txhpringdma); |
c8d86be3 GKH |
934 | write_nic_dword(dev, TX_BEACON_RING_ADDR, priv->txbeaconringdma); |
935 | } | |
936 | ||
c8d86be3 GKH |
937 | void rtl8180_conttx_enable(struct net_device *dev) |
938 | { | |
939 | u32 txconf; | |
fd882783 | 940 | |
c8d86be3 GKH |
941 | txconf = read_nic_dword(dev,TX_CONF); |
942 | txconf = txconf &~ TX_LOOPBACK_MASK; | |
943 | txconf = txconf | (TX_LOOPBACK_CONTINUE <<TX_LOOPBACK_SHIFT); | |
944 | write_nic_dword(dev,TX_CONF,txconf); | |
945 | } | |
946 | ||
c8d86be3 GKH |
947 | void rtl8180_conttx_disable(struct net_device *dev) |
948 | { | |
949 | u32 txconf; | |
fd882783 | 950 | |
c8d86be3 GKH |
951 | txconf = read_nic_dword(dev,TX_CONF); |
952 | txconf = txconf &~ TX_LOOPBACK_MASK; | |
953 | txconf = txconf | (TX_LOOPBACK_NONE <<TX_LOOPBACK_SHIFT); | |
954 | write_nic_dword(dev,TX_CONF,txconf); | |
955 | } | |
956 | ||
c8d86be3 GKH |
957 | void rtl8180_tx_enable(struct net_device *dev) |
958 | { | |
959 | u8 cmd; | |
960 | u8 tx_agc_ctl; | |
961 | u8 byte; | |
962 | u32 txconf; | |
963 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
c8d86be3 | 964 | |
fd882783 | 965 | txconf = read_nic_dword(dev, TX_CONF); |
c8d86be3 | 966 | |
fd882783 | 967 | if (priv->card_8185) { |
c8d86be3 GKH |
968 | byte = read_nic_byte(dev,CW_CONF); |
969 | byte &= ~(1<<CW_CONF_PERPACKET_CW_SHIFT); | |
970 | byte &= ~(1<<CW_CONF_PERPACKET_RETRY_SHIFT); | |
971 | write_nic_byte(dev, CW_CONF, byte); | |
972 | ||
973 | tx_agc_ctl = read_nic_byte(dev, TX_AGC_CTL); | |
974 | tx_agc_ctl &= ~(1<<TX_AGC_CTL_PERPACKET_GAIN_SHIFT); | |
975 | tx_agc_ctl &= ~(1<<TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT); | |
976 | tx_agc_ctl |=(1<<TX_AGC_CTL_FEEDBACK_ANT); | |
977 | write_nic_byte(dev, TX_AGC_CTL, tx_agc_ctl); | |
c8d86be3 GKH |
978 | write_nic_byte(dev, 0xec, 0x3f); /* Disable early TX */ |
979 | } | |
980 | ||
fd882783 | 981 | if (priv->card_8185) |
c8d86be3 | 982 | txconf = txconf &~ (1<<TCR_PROBE_NOTIMESTAMP_SHIFT); |
fd882783 | 983 | else { |
c8d86be3 GKH |
984 | if(hwseqnum) |
985 | txconf= txconf &~ (1<<TX_CONF_HEADER_AUTOICREMENT_SHIFT); | |
986 | else | |
987 | txconf= txconf | (1<<TX_CONF_HEADER_AUTOICREMENT_SHIFT); | |
988 | } | |
989 | ||
990 | txconf = txconf &~ TX_LOOPBACK_MASK; | |
991 | txconf = txconf | (TX_LOOPBACK_NONE <<TX_LOOPBACK_SHIFT); | |
992 | txconf = txconf &~ TCR_DPRETRY_MASK; | |
993 | txconf = txconf &~ TCR_RTSRETRY_MASK; | |
994 | txconf = txconf | (priv->retry_data<<TX_DPRETRY_SHIFT); | |
995 | txconf = txconf | (priv->retry_rts<<TX_RTSRETRY_SHIFT); | |
996 | txconf = txconf &~ (1<<TX_NOCRC_SHIFT); | |
997 | ||
fd882783 BZ |
998 | if (priv->card_8185) { |
999 | if (priv->hw_plcp_len) | |
c8d86be3 GKH |
1000 | txconf = txconf &~ TCR_PLCP_LEN; |
1001 | else | |
1002 | txconf = txconf | TCR_PLCP_LEN; | |
fd882783 | 1003 | } else |
c8d86be3 | 1004 | txconf = txconf &~ TCR_SAT; |
fd882783 | 1005 | |
c8d86be3 GKH |
1006 | txconf = txconf &~ TCR_MXDMA_MASK; |
1007 | txconf = txconf | (TCR_MXDMA_2048<<TCR_MXDMA_SHIFT); | |
1008 | txconf = txconf | TCR_CWMIN; | |
1009 | txconf = txconf | TCR_DISCW; | |
1010 | ||
fd882783 | 1011 | txconf = txconf | (1 << TX_NOICV_SHIFT); |
c8d86be3 GKH |
1012 | |
1013 | write_nic_dword(dev,TX_CONF,txconf); | |
1014 | ||
c8d86be3 GKH |
1015 | fix_tx_fifo(dev); |
1016 | ||
c8d86be3 GKH |
1017 | cmd=read_nic_byte(dev,CMD); |
1018 | write_nic_byte(dev,CMD,cmd | (1<<CMD_TX_ENABLE_SHIFT)); | |
1019 | ||
c8d86be3 | 1020 | write_nic_dword(dev,TX_CONF,txconf); |
c8d86be3 GKH |
1021 | } |
1022 | ||
c8d86be3 GKH |
1023 | void rtl8180_beacon_tx_enable(struct net_device *dev) |
1024 | { | |
1025 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
1026 | ||
1027 | rtl8180_set_mode(dev,EPROM_CMD_CONFIG); | |
c8d86be3 GKH |
1028 | priv->dma_poll_stop_mask &= ~(TPPOLLSTOP_BQ); |
1029 | write_nic_byte(dev,TPPollStop, priv->dma_poll_mask); | |
c8d86be3 GKH |
1030 | rtl8180_set_mode(dev,EPROM_CMD_NORMAL); |
1031 | } | |
1032 | ||
c8d86be3 GKH |
1033 | void rtl8180_beacon_tx_disable(struct net_device *dev) |
1034 | { | |
1035 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
1036 | ||
1037 | rtl8180_set_mode(dev,EPROM_CMD_CONFIG); | |
c8d86be3 GKH |
1038 | priv->dma_poll_stop_mask |= TPPOLLSTOP_BQ; |
1039 | write_nic_byte(dev,TPPollStop, priv->dma_poll_stop_mask); | |
c8d86be3 GKH |
1040 | rtl8180_set_mode(dev,EPROM_CMD_NORMAL); |
1041 | ||
1042 | } | |
1043 | ||
c8d86be3 GKH |
1044 | void rtl8180_rtx_disable(struct net_device *dev) |
1045 | { | |
1046 | u8 cmd; | |
1047 | struct r8180_priv *priv = ieee80211_priv(dev); | |
1048 | ||
1049 | cmd=read_nic_byte(dev,CMD); | |
1050 | write_nic_byte(dev, CMD, cmd &~ \ | |
1051 | ((1<<CMD_RX_ENABLE_SHIFT)|(1<<CMD_TX_ENABLE_SHIFT))); | |
1052 | force_pci_posting(dev); | |
1053 | mdelay(10); | |
c8d86be3 GKH |
1054 | |
1055 | if(!priv->rx_skb_complete) | |
1056 | dev_kfree_skb_any(priv->rx_skb); | |
1057 | } | |
1058 | ||
c8d86be3 GKH |
1059 | short alloc_tx_desc_ring(struct net_device *dev, int bufsize, int count, |
1060 | int addr) | |
1061 | { | |
1062 | int i; | |
1063 | u32 *desc; | |
1064 | u32 *tmp; | |
1065 | dma_addr_t dma_desc, dma_tmp; | |
1066 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
1067 | struct pci_dev *pdev = priv->pdev; | |
1068 | void *buf; | |
1069 | ||
1070 | if((bufsize & 0xfff) != bufsize) { | |
1071 | DMESGE ("TX buffer allocation too large"); | |
1072 | return 0; | |
1073 | } | |
1074 | desc = (u32*)pci_alloc_consistent(pdev, | |
1075 | sizeof(u32)*8*count+256, &dma_desc); | |
fd882783 BZ |
1076 | if (desc == NULL) |
1077 | return -1; | |
c8d86be3 | 1078 | |
fd882783 | 1079 | if (dma_desc & 0xff) |
c8d86be3 GKH |
1080 | /* |
1081 | * descriptor's buffer must be 256 byte aligned | |
1082 | * we shouldn't be here, since we set DMA mask ! | |
1083 | */ | |
be286fd2 | 1084 | WARN(1, "DMA buffer is not aligned\n"); |
fd882783 BZ |
1085 | |
1086 | tmp = desc; | |
1087 | ||
1088 | for (i = 0; i < count; i++) { | |
1089 | buf = (void *)pci_alloc_consistent(pdev, bufsize, &dma_tmp); | |
1090 | if (buf == NULL) | |
1091 | return -ENOMEM; | |
c8d86be3 GKH |
1092 | |
1093 | switch(addr) { | |
c8d86be3 GKH |
1094 | case TX_MANAGEPRIORITY_RING_ADDR: |
1095 | if(-1 == buffer_add(&(priv->txmapbufs),buf,dma_tmp,NULL)){ | |
1096 | DMESGE("Unable to allocate mem for buffer NP"); | |
1097 | return -ENOMEM; | |
1098 | } | |
1099 | break; | |
c8d86be3 GKH |
1100 | case TX_BKPRIORITY_RING_ADDR: |
1101 | if(-1 == buffer_add(&(priv->txbkpbufs),buf,dma_tmp,NULL)){ | |
1102 | DMESGE("Unable to allocate mem for buffer LP"); | |
1103 | return -ENOMEM; | |
1104 | } | |
1105 | break; | |
1106 | case TX_BEPRIORITY_RING_ADDR: | |
1107 | if(-1 == buffer_add(&(priv->txbepbufs),buf,dma_tmp,NULL)){ | |
1108 | DMESGE("Unable to allocate mem for buffer NP"); | |
1109 | return -ENOMEM; | |
1110 | } | |
1111 | break; | |
c8d86be3 GKH |
1112 | case TX_VIPRIORITY_RING_ADDR: |
1113 | if(-1 == buffer_add(&(priv->txvipbufs),buf,dma_tmp,NULL)){ | |
1114 | DMESGE("Unable to allocate mem for buffer LP"); | |
1115 | return -ENOMEM; | |
1116 | } | |
1117 | break; | |
1118 | case TX_VOPRIORITY_RING_ADDR: | |
1119 | if(-1 == buffer_add(&(priv->txvopbufs),buf,dma_tmp,NULL)){ | |
1120 | DMESGE("Unable to allocate mem for buffer NP"); | |
1121 | return -ENOMEM; | |
1122 | } | |
1123 | break; | |
c8d86be3 GKH |
1124 | case TX_HIGHPRIORITY_RING_ADDR: |
1125 | if(-1 == buffer_add(&(priv->txhpbufs),buf,dma_tmp,NULL)){ | |
1126 | DMESGE("Unable to allocate mem for buffer HP"); | |
1127 | return -ENOMEM; | |
1128 | } | |
1129 | break; | |
1130 | case TX_BEACON_RING_ADDR: | |
1131 | if(-1 == buffer_add(&(priv->txbeaconbufs),buf,dma_tmp,NULL)){ | |
1132 | DMESGE("Unable to allocate mem for buffer BP"); | |
1133 | return -ENOMEM; | |
1134 | } | |
1135 | break; | |
1136 | } | |
1137 | *tmp = *tmp &~ (1<<31); // descriptor empty, owned by the drv | |
1138 | *(tmp+2) = (u32)dma_tmp; | |
1139 | *(tmp+3) = bufsize; | |
1140 | ||
1141 | if(i+1<count) | |
1142 | *(tmp+4) = (u32)dma_desc+((i+1)*8*4); | |
1143 | else | |
1144 | *(tmp+4) = (u32)dma_desc; | |
1145 | ||
1146 | tmp=tmp+8; | |
1147 | } | |
1148 | ||
1149 | switch(addr) { | |
1150 | case TX_MANAGEPRIORITY_RING_ADDR: | |
1151 | priv->txmapringdma=dma_desc; | |
1152 | priv->txmapring=desc; | |
1153 | break; | |
c8d86be3 GKH |
1154 | case TX_BKPRIORITY_RING_ADDR: |
1155 | priv->txbkpringdma=dma_desc; | |
1156 | priv->txbkpring=desc; | |
1157 | break; | |
c8d86be3 GKH |
1158 | case TX_BEPRIORITY_RING_ADDR: |
1159 | priv->txbepringdma=dma_desc; | |
1160 | priv->txbepring=desc; | |
1161 | break; | |
c8d86be3 GKH |
1162 | case TX_VIPRIORITY_RING_ADDR: |
1163 | priv->txvipringdma=dma_desc; | |
1164 | priv->txvipring=desc; | |
1165 | break; | |
c8d86be3 GKH |
1166 | case TX_VOPRIORITY_RING_ADDR: |
1167 | priv->txvopringdma=dma_desc; | |
1168 | priv->txvopring=desc; | |
1169 | break; | |
c8d86be3 GKH |
1170 | case TX_HIGHPRIORITY_RING_ADDR: |
1171 | priv->txhpringdma=dma_desc; | |
1172 | priv->txhpring=desc; | |
1173 | break; | |
c8d86be3 GKH |
1174 | case TX_BEACON_RING_ADDR: |
1175 | priv->txbeaconringdma=dma_desc; | |
1176 | priv->txbeaconring=desc; | |
1177 | break; | |
1178 | ||
1179 | } | |
1180 | ||
c8d86be3 GKH |
1181 | return 0; |
1182 | } | |
1183 | ||
c8d86be3 GKH |
1184 | void free_tx_desc_rings(struct net_device *dev) |
1185 | { | |
c8d86be3 GKH |
1186 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
1187 | struct pci_dev *pdev=priv->pdev; | |
1188 | int count = priv->txringcount; | |
1189 | ||
1190 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, | |
1191 | priv->txmapring, priv->txmapringdma); | |
1192 | buffer_free(dev,&(priv->txmapbufs),priv->txbuffsize,1); | |
1193 | ||
1194 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, | |
1195 | priv->txbkpring, priv->txbkpringdma); | |
1196 | buffer_free(dev,&(priv->txbkpbufs),priv->txbuffsize,1); | |
1197 | ||
1198 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, | |
1199 | priv->txbepring, priv->txbepringdma); | |
1200 | buffer_free(dev,&(priv->txbepbufs),priv->txbuffsize,1); | |
1201 | ||
1202 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, | |
1203 | priv->txvipring, priv->txvipringdma); | |
1204 | buffer_free(dev,&(priv->txvipbufs),priv->txbuffsize,1); | |
1205 | ||
1206 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, | |
1207 | priv->txvopring, priv->txvopringdma); | |
1208 | buffer_free(dev,&(priv->txvopbufs),priv->txbuffsize,1); | |
1209 | ||
1210 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, | |
1211 | priv->txhpring, priv->txhpringdma); | |
1212 | buffer_free(dev,&(priv->txhpbufs),priv->txbuffsize,1); | |
1213 | ||
1214 | count = priv->txbeaconcount; | |
1215 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, | |
1216 | priv->txbeaconring, priv->txbeaconringdma); | |
1217 | buffer_free(dev,&(priv->txbeaconbufs),priv->txbuffsize,1); | |
1218 | } | |
1219 | ||
c8d86be3 GKH |
1220 | void free_rx_desc_ring(struct net_device *dev) |
1221 | { | |
1222 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
1223 | struct pci_dev *pdev = priv->pdev; | |
c8d86be3 GKH |
1224 | int count = priv->rxringcount; |
1225 | ||
c8d86be3 GKH |
1226 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, |
1227 | priv->rxring, priv->rxringdma); | |
c8d86be3 GKH |
1228 | |
1229 | buffer_free(dev,&(priv->rxbuffer),priv->rxbuffersize,0); | |
1230 | } | |
1231 | ||
c8d86be3 GKH |
1232 | short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count) |
1233 | { | |
1234 | int i; | |
1235 | u32 *desc; | |
1236 | u32 *tmp; | |
1237 | dma_addr_t dma_desc,dma_tmp; | |
1238 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
1239 | struct pci_dev *pdev=priv->pdev; | |
1240 | void *buf; | |
1241 | u8 rx_desc_size; | |
1242 | ||
c8d86be3 | 1243 | rx_desc_size = 8; // 4*8 = 32 bytes |
c8d86be3 GKH |
1244 | |
1245 | if((bufsize & 0xfff) != bufsize){ | |
1246 | DMESGE ("RX buffer allocation too large"); | |
1247 | return -1; | |
1248 | } | |
1249 | ||
1250 | desc = (u32*)pci_alloc_consistent(pdev,sizeof(u32)*rx_desc_size*count+256, | |
1251 | &dma_desc); | |
1252 | ||
fd882783 | 1253 | if (dma_desc & 0xff) |
c8d86be3 GKH |
1254 | /* |
1255 | * descriptor's buffer must be 256 byte aligned | |
1256 | * should never happen since we specify the DMA mask | |
1257 | */ | |
be286fd2 | 1258 | WARN(1, "DMA buffer is not aligned\n"); |
c8d86be3 GKH |
1259 | |
1260 | priv->rxring=desc; | |
1261 | priv->rxringdma=dma_desc; | |
1262 | tmp=desc; | |
1263 | ||
fd882783 | 1264 | for (i = 0; i < count; i++) { |
c8d86be3 GKH |
1265 | if ((buf= kmalloc(bufsize * sizeof(u8),GFP_ATOMIC)) == NULL){ |
1266 | DMESGE("Failed to kmalloc RX buffer"); | |
1267 | return -1; | |
1268 | } | |
1269 | ||
1270 | dma_tmp = pci_map_single(pdev,buf,bufsize * sizeof(u8), | |
1271 | PCI_DMA_FROMDEVICE); | |
1272 | ||
c8d86be3 GKH |
1273 | if(-1 == buffer_add(&(priv->rxbuffer), buf,dma_tmp, |
1274 | &(priv->rxbufferhead))){ | |
1275 | DMESGE("Unable to allocate mem RX buf"); | |
1276 | return -1; | |
1277 | } | |
1278 | *tmp = 0; //zero pads the header of the descriptor | |
1279 | *tmp = *tmp |( bufsize&0xfff); | |
1280 | *(tmp+2) = (u32)dma_tmp; | |
1281 | *tmp = *tmp |(1<<31); // descriptor void, owned by the NIC | |
1282 | ||
c8d86be3 GKH |
1283 | tmp=tmp+rx_desc_size; |
1284 | } | |
1285 | ||
1286 | *(tmp-rx_desc_size) = *(tmp-rx_desc_size) | (1<<30); // this is the last descriptor | |
1287 | ||
c8d86be3 GKH |
1288 | return 0; |
1289 | } | |
1290 | ||
1291 | ||
1292 | void set_nic_rxring(struct net_device *dev) | |
1293 | { | |
1294 | u8 pgreg; | |
1295 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
1296 | ||
c8d86be3 GKH |
1297 | pgreg=read_nic_byte(dev, PGSELECT); |
1298 | write_nic_byte(dev, PGSELECT, pgreg &~ (1<<PGSELECT_PG_SHIFT)); | |
1299 | ||
c8d86be3 GKH |
1300 | write_nic_dword(dev, RXRING_ADDR,priv->rxringdma); |
1301 | } | |
1302 | ||
c8d86be3 GKH |
1303 | void rtl8180_reset(struct net_device *dev) |
1304 | { | |
c8d86be3 GKH |
1305 | u8 cr; |
1306 | ||
c8d86be3 GKH |
1307 | rtl8180_irq_disable(dev); |
1308 | ||
1309 | cr=read_nic_byte(dev,CMD); | |
1310 | cr = cr & 2; | |
1311 | cr = cr | (1<<CMD_RST_SHIFT); | |
1312 | write_nic_byte(dev,CMD,cr); | |
1313 | ||
1314 | force_pci_posting(dev); | |
1315 | ||
1316 | mdelay(200); | |
1317 | ||
1318 | if(read_nic_byte(dev,CMD) & (1<<CMD_RST_SHIFT)) | |
1319 | DMESGW("Card reset timeout!"); | |
1320 | else | |
1321 | DMESG("Card successfully reset"); | |
1322 | ||
c8d86be3 GKH |
1323 | rtl8180_set_mode(dev,EPROM_CMD_LOAD); |
1324 | force_pci_posting(dev); | |
1325 | mdelay(200); | |
c8d86be3 GKH |
1326 | } |
1327 | ||
1328 | inline u16 ieeerate2rtlrate(int rate) | |
1329 | { | |
1330 | switch(rate){ | |
1331 | case 10: | |
fd882783 | 1332 | return 0; |
c8d86be3 | 1333 | case 20: |
fd882783 | 1334 | return 1; |
c8d86be3 | 1335 | case 55: |
fd882783 | 1336 | return 2; |
c8d86be3 | 1337 | case 110: |
fd882783 | 1338 | return 3; |
c8d86be3 | 1339 | case 60: |
fd882783 | 1340 | return 4; |
c8d86be3 | 1341 | case 90: |
fd882783 | 1342 | return 5; |
c8d86be3 | 1343 | case 120: |
fd882783 | 1344 | return 6; |
c8d86be3 | 1345 | case 180: |
fd882783 | 1346 | return 7; |
c8d86be3 | 1347 | case 240: |
fd882783 | 1348 | return 8; |
c8d86be3 | 1349 | case 360: |
fd882783 | 1350 | return 9; |
c8d86be3 | 1351 | case 480: |
fd882783 | 1352 | return 10; |
c8d86be3 | 1353 | case 540: |
fd882783 | 1354 | return 11; |
c8d86be3 | 1355 | default: |
fd882783 | 1356 | return 3; |
c8d86be3 GKH |
1357 | } |
1358 | } | |
1359 | ||
1360 | static u16 rtl_rate[] = {10,20,55,110,60,90,120,180,240,360,480,540,720}; | |
fd882783 | 1361 | |
c8d86be3 GKH |
1362 | inline u16 rtl8180_rate2rate(short rate) |
1363 | { | |
fd882783 BZ |
1364 | if (rate > 12) |
1365 | return 10; | |
c8d86be3 GKH |
1366 | return rtl_rate[rate]; |
1367 | } | |
fd882783 | 1368 | |
c8d86be3 GKH |
1369 | inline u8 rtl8180_IsWirelessBMode(u16 rate) |
1370 | { | |
1371 | if( ((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220) ) | |
1372 | return 1; | |
fd882783 BZ |
1373 | else |
1374 | return 0; | |
c8d86be3 | 1375 | } |
fd882783 | 1376 | |
c8d86be3 | 1377 | u16 N_DBPSOfRate(u16 DataRate); |
fd882783 BZ |
1378 | |
1379 | u16 ComputeTxTime(u16 FrameLength, u16 DataRate, u8 bManagementFrame, | |
1380 | u8 bShortPreamble) | |
c8d86be3 GKH |
1381 | { |
1382 | u16 FrameTime; | |
1383 | u16 N_DBPS; | |
1384 | u16 Ceiling; | |
1385 | ||
fd882783 BZ |
1386 | if (rtl8180_IsWirelessBMode(DataRate)) { |
1387 | if (bManagementFrame || !bShortPreamble || DataRate == 10) | |
1388 | /* long preamble */ | |
c8d86be3 | 1389 | FrameTime = (u16)(144+48+(FrameLength*8/(DataRate/10))); |
c8d86be3 | 1390 | else |
fd882783 | 1391 | /* short preamble */ |
c8d86be3 | 1392 | FrameTime = (u16)(72+24+(FrameLength*8/(DataRate/10))); |
fd882783 BZ |
1393 | |
1394 | if ((FrameLength*8 % (DataRate/10)) != 0) /* get the ceilling */ | |
1395 | FrameTime++; | |
1396 | } else { /* 802.11g DSSS-OFDM PLCP length field calculation. */ | |
c8d86be3 GKH |
1397 | N_DBPS = N_DBPSOfRate(DataRate); |
1398 | Ceiling = (16 + 8*FrameLength + 6) / N_DBPS | |
1399 | + (((16 + 8*FrameLength + 6) % N_DBPS) ? 1 : 0); | |
1400 | FrameTime = (u16)(16 + 4 + 4*Ceiling + 6); | |
1401 | } | |
1402 | return FrameTime; | |
1403 | } | |
fd882783 | 1404 | |
c8d86be3 GKH |
1405 | u16 N_DBPSOfRate(u16 DataRate) |
1406 | { | |
1407 | u16 N_DBPS = 24; | |
1408 | ||
fd882783 BZ |
1409 | switch (DataRate) { |
1410 | case 60: | |
1411 | N_DBPS = 24; | |
1412 | break; | |
1413 | case 90: | |
1414 | N_DBPS = 36; | |
1415 | break; | |
1416 | case 120: | |
1417 | N_DBPS = 48; | |
1418 | break; | |
1419 | case 180: | |
1420 | N_DBPS = 72; | |
1421 | break; | |
1422 | case 240: | |
1423 | N_DBPS = 96; | |
1424 | break; | |
1425 | case 360: | |
1426 | N_DBPS = 144; | |
1427 | break; | |
1428 | case 480: | |
1429 | N_DBPS = 192; | |
1430 | break; | |
1431 | case 540: | |
1432 | N_DBPS = 216; | |
1433 | break; | |
1434 | default: | |
1435 | break; | |
1436 | } | |
c8d86be3 | 1437 | |
fd882783 | 1438 | return N_DBPS; |
c8d86be3 GKH |
1439 | } |
1440 | ||
1441 | //{by amy 080312 | |
1442 | // | |
1443 | // Description: | |
1444 | // For Netgear case, they want good-looking singal strength. | |
1445 | // 2004.12.05, by rcnjko. | |
1446 | // | |
fd882783 | 1447 | long NetgearSignalStrengthTranslate(long LastSS, long CurrSS) |
c8d86be3 GKH |
1448 | { |
1449 | long RetSS; | |
1450 | ||
1451 | // Step 1. Scale mapping. | |
fd882783 | 1452 | if (CurrSS >= 71 && CurrSS <= 100) |
c8d86be3 | 1453 | RetSS = 90 + ((CurrSS - 70) / 3); |
fd882783 | 1454 | else if (CurrSS >= 41 && CurrSS <= 70) |
c8d86be3 | 1455 | RetSS = 78 + ((CurrSS - 40) / 3); |
fd882783 | 1456 | else if (CurrSS >= 31 && CurrSS <= 40) |
c8d86be3 | 1457 | RetSS = 66 + (CurrSS - 30); |
fd882783 | 1458 | else if (CurrSS >= 21 && CurrSS <= 30) |
c8d86be3 | 1459 | RetSS = 54 + (CurrSS - 20); |
fd882783 | 1460 | else if (CurrSS >= 5 && CurrSS <= 20) |
c8d86be3 | 1461 | RetSS = 42 + (((CurrSS - 5) * 2) / 3); |
fd882783 | 1462 | else if (CurrSS == 4) |
c8d86be3 | 1463 | RetSS = 36; |
fd882783 | 1464 | else if (CurrSS == 3) |
c8d86be3 | 1465 | RetSS = 27; |
fd882783 | 1466 | else if (CurrSS == 2) |
c8d86be3 | 1467 | RetSS = 18; |
fd882783 | 1468 | else if (CurrSS == 1) |
c8d86be3 | 1469 | RetSS = 9; |
c8d86be3 | 1470 | else |
c8d86be3 | 1471 | RetSS = CurrSS; |
c8d86be3 GKH |
1472 | |
1473 | // Step 2. Smoothing. | |
1474 | if(LastSS > 0) | |
c8d86be3 | 1475 | RetSS = ((LastSS * 5) + (RetSS)+ 5) / 6; |
c8d86be3 GKH |
1476 | |
1477 | return RetSS; | |
1478 | } | |
fd882783 | 1479 | |
c8d86be3 GKH |
1480 | // |
1481 | // Description: | |
1482 | // Translate 0-100 signal strength index into dBm. | |
1483 | // | |
fd882783 | 1484 | long TranslateToDbm8185(u8 SignalStrengthIndex) |
c8d86be3 | 1485 | { |
fd882783 | 1486 | long SignalPower; |
c8d86be3 GKH |
1487 | |
1488 | // Translate to dBm (x=0.5y-95). | |
1489 | SignalPower = (long)((SignalStrengthIndex + 1) >> 1); | |
1490 | SignalPower -= 95; | |
1491 | ||
1492 | return SignalPower; | |
1493 | } | |
fd882783 | 1494 | |
c8d86be3 GKH |
1495 | // |
1496 | // Description: | |
1497 | // Perform signal smoothing for dynamic mechanism. | |
1498 | // This is different with PerformSignalSmoothing8185 in smoothing fomula. | |
1499 | // No dramatic adjustion is apply because dynamic mechanism need some degree | |
1500 | // of correctness. Ported from 8187B. | |
1501 | // 2007-02-26, by Bruce. | |
1502 | // | |
fd882783 BZ |
1503 | void PerformUndecoratedSignalSmoothing8185(struct r8180_priv *priv, |
1504 | bool bCckRate) | |
c8d86be3 | 1505 | { |
c8d86be3 GKH |
1506 | // Determin the current packet is CCK rate. |
1507 | priv->bCurCCKPkt = bCckRate; | |
1508 | ||
fd882783 | 1509 | if (priv->UndecoratedSmoothedSS >= 0) |
c8d86be3 | 1510 | priv->UndecoratedSmoothedSS = ( (priv->UndecoratedSmoothedSS * 5) + (priv->SignalStrength * 10) ) / 6; |
c8d86be3 | 1511 | else |
c8d86be3 | 1512 | priv->UndecoratedSmoothedSS = priv->SignalStrength * 10; |
c8d86be3 GKH |
1513 | |
1514 | priv->UndercorateSmoothedRxPower = ( (priv->UndercorateSmoothedRxPower * 50) + (priv->RxPower* 11)) / 60; | |
1515 | ||
fd882783 | 1516 | if (bCckRate) |
c8d86be3 | 1517 | priv->CurCCKRSSI = priv->RSSI; |
c8d86be3 | 1518 | else |
c8d86be3 | 1519 | priv->CurCCKRSSI = 0; |
c8d86be3 GKH |
1520 | } |
1521 | ||
1522 | //by amy 080312} | |
1523 | ||
1524 | /* This is rough RX isr handling routine*/ | |
1525 | void rtl8180_rx(struct net_device *dev) | |
1526 | { | |
1527 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
1528 | struct sk_buff *tmp_skb; | |
c8d86be3 GKH |
1529 | short first,last; |
1530 | u32 len; | |
1531 | int lastlen; | |
1532 | unsigned char quality, signal; | |
1533 | u8 rate; | |
c8d86be3 GKH |
1534 | u32 *tmp,*tmp2; |
1535 | u8 rx_desc_size; | |
1536 | u8 padding; | |
c8d86be3 GKH |
1537 | char rxpower = 0; |
1538 | u32 RXAGC = 0; | |
1539 | long RxAGC_dBm = 0; | |
1540 | u8 LNA=0, BB=0; | |
1541 | u8 LNA_gain[4]={02, 17, 29, 39}; | |
1542 | u8 Antenna = 0; | |
0604384d | 1543 | struct ieee80211_hdr_4addr *hdr; |
c8d86be3 GKH |
1544 | u16 fc,type; |
1545 | u8 bHwError = 0,bCRC = 0,bICV = 0; | |
c8d86be3 GKH |
1546 | bool bCckRate = false; |
1547 | u8 RSSI = 0; | |
fd882783 | 1548 | long SignalStrengthIndex = 0; |
c8d86be3 GKH |
1549 | struct ieee80211_rx_stats stats = { |
1550 | .signal = 0, | |
1551 | .noise = -98, | |
1552 | .rate = 0, | |
c8d86be3 GKH |
1553 | .freq = IEEE80211_24GHZ_BAND, |
1554 | }; | |
1555 | ||
c8d86be3 GKH |
1556 | stats.nic_type = NIC_8185B; |
1557 | rx_desc_size = 8; | |
1558 | ||
c8d86be3 | 1559 | if ((*(priv->rxringtail)) & (1<<31)) { |
c8d86be3 GKH |
1560 | /* we have got an RX int, but the descriptor |
1561 | * we are pointing is empty*/ | |
1562 | ||
1563 | priv->stats.rxnodata++; | |
1564 | priv->ieee80211->stats.rx_errors++; | |
1565 | ||
c8d86be3 GKH |
1566 | tmp2 = NULL; |
1567 | tmp = priv->rxringtail; | |
1568 | do{ | |
1569 | if(tmp == priv->rxring) | |
c8d86be3 GKH |
1570 | tmp = priv->rxring + (priv->rxringcount - 1)*rx_desc_size; |
1571 | else | |
1572 | tmp -= rx_desc_size; | |
1573 | ||
1574 | if(! (*tmp & (1<<31))) | |
1575 | tmp2 = tmp; | |
1576 | }while(tmp != priv->rxring); | |
1577 | ||
1578 | if(tmp2) priv->rxringtail = tmp2; | |
c8d86be3 GKH |
1579 | } |
1580 | ||
1581 | /* while there are filled descriptors */ | |
1582 | while(!(*(priv->rxringtail) & (1<<31))){ | |
1583 | if(*(priv->rxringtail) & (1<<26)) | |
1584 | DMESGW("RX buffer overflow"); | |
1585 | if(*(priv->rxringtail) & (1<<12)) | |
1586 | priv->stats.rxicverr++; | |
1587 | ||
1588 | if(*(priv->rxringtail) & (1<<27)){ | |
1589 | priv->stats.rxdmafail++; | |
1590 | //DMESG("EE: RX DMA FAILED at buffer pointed by descriptor %x",(u32)priv->rxringtail); | |
1591 | goto drop; | |
1592 | } | |
1593 | ||
1594 | pci_dma_sync_single_for_cpu(priv->pdev, | |
1595 | priv->rxbuffer->dma, | |
1596 | priv->rxbuffersize * \ | |
1597 | sizeof(u8), | |
1598 | PCI_DMA_FROMDEVICE); | |
1599 | ||
1600 | first = *(priv->rxringtail) & (1<<29) ? 1:0; | |
1601 | if(first) priv->rx_prevlen=0; | |
1602 | ||
1603 | last = *(priv->rxringtail) & (1<<28) ? 1:0; | |
1604 | if(last){ | |
1605 | lastlen=((*priv->rxringtail) &0xfff); | |
1606 | ||
1607 | /* if the last descriptor (that should | |
1608 | * tell us the total packet len) tell | |
1609 | * us something less than the descriptors | |
1610 | * len we had until now, then there is some | |
1611 | * problem.. | |
1612 | * workaround to prevent kernel panic | |
1613 | */ | |
1614 | if(lastlen < priv->rx_prevlen) | |
1615 | len=0; | |
1616 | else | |
1617 | len=lastlen-priv->rx_prevlen; | |
1618 | ||
1619 | if(*(priv->rxringtail) & (1<<13)) { | |
c8d86be3 GKH |
1620 | if ((*(priv->rxringtail) & 0xfff) <500) |
1621 | priv->stats.rxcrcerrmin++; | |
1622 | else if ((*(priv->rxringtail) & 0x0fff) >1000) | |
1623 | priv->stats.rxcrcerrmax++; | |
1624 | else | |
1625 | priv->stats.rxcrcerrmid++; | |
1626 | ||
1627 | } | |
1628 | ||
1629 | }else{ | |
1630 | len = priv->rxbuffersize; | |
1631 | } | |
1632 | ||
c8d86be3 GKH |
1633 | if(first && last) { |
1634 | padding = ((*(priv->rxringtail+3))&(0x04000000))>>26; | |
1635 | }else if(first) { | |
1636 | padding = ((*(priv->rxringtail+3))&(0x04000000))>>26; | |
1637 | if(padding) { | |
1638 | len -= 2; | |
1639 | } | |
1640 | }else { | |
1641 | padding = 0; | |
1642 | } | |
c8d86be3 | 1643 | padding = 0; |
c8d86be3 GKH |
1644 | priv->rx_prevlen+=len; |
1645 | ||
1646 | if(priv->rx_prevlen > MAX_FRAG_THRESHOLD + 100){ | |
1647 | /* HW is probably passing several buggy frames | |
1648 | * without FD or LD flag set. | |
1649 | * Throw this garbage away to prevent skb | |
1650 | * memory exausting | |
1651 | */ | |
1652 | if(!priv->rx_skb_complete) | |
1653 | dev_kfree_skb_any(priv->rx_skb); | |
1654 | priv->rx_skb_complete = 1; | |
1655 | } | |
1656 | ||
c8d86be3 GKH |
1657 | signal=(unsigned char)(((*(priv->rxringtail+3))& (0x00ff0000))>>16); |
1658 | signal=(signal&0xfe)>>1; // Modify by hikaru 6.6 | |
1659 | ||
1660 | quality=(unsigned char)((*(priv->rxringtail+3)) & (0xff)); | |
1661 | ||
1662 | stats.mac_time[0] = *(priv->rxringtail+1); | |
1663 | stats.mac_time[1] = *(priv->rxringtail+2); | |
1664 | rxpower =((char)(((*(priv->rxringtail+4))& (0x00ff0000))>>16))/2 - 42; | |
1665 | RSSI = ((u8)(((*(priv->rxringtail+3)) & (0x0000ff00))>> 8)) & (0x7f); | |
1666 | ||
c8d86be3 GKH |
1667 | rate=((*(priv->rxringtail)) & |
1668 | ((1<<23)|(1<<22)|(1<<21)|(1<<20)))>>20; | |
1669 | ||
1670 | stats.rate = rtl8180_rate2rate(rate); | |
c8d86be3 | 1671 | Antenna = (((*(priv->rxringtail +3))& (0x00008000)) == 0 )? 0:1 ; |
c8d86be3 GKH |
1672 | //by amy for antenna |
1673 | if(!rtl8180_IsWirelessBMode(stats.rate)) | |
1674 | { // OFDM rate. | |
1675 | ||
1676 | RxAGC_dBm = rxpower+1; //bias | |
1677 | } | |
1678 | else | |
1679 | { // CCK rate. | |
1680 | RxAGC_dBm = signal;//bit 0 discard | |
1681 | ||
1682 | LNA = (u8) (RxAGC_dBm & 0x60 ) >> 5 ; //bit 6~ bit 5 | |
1683 | BB = (u8) (RxAGC_dBm & 0x1F); // bit 4 ~ bit 0 | |
1684 | ||
1685 | RxAGC_dBm = -( LNA_gain[LNA] + (BB *2) ); //Pin_11b=-(LNA_gain+BB_gain) (dBm) | |
1686 | ||
1687 | RxAGC_dBm +=4; //bias | |
1688 | } | |
1689 | ||
1690 | if(RxAGC_dBm & 0x80) //absolute value | |
1691 | RXAGC= ~(RxAGC_dBm)+1; | |
1692 | bCckRate = rtl8180_IsWirelessBMode(stats.rate); | |
1693 | // Translate RXAGC into 1-100. | |
1694 | if(!rtl8180_IsWirelessBMode(stats.rate)) | |
1695 | { // OFDM rate. | |
1696 | if(RXAGC>90) | |
1697 | RXAGC=90; | |
1698 | else if(RXAGC<25) | |
1699 | RXAGC=25; | |
1700 | RXAGC=(90-RXAGC)*100/65; | |
1701 | } | |
1702 | else | |
1703 | { // CCK rate. | |
1704 | if(RXAGC>95) | |
1705 | RXAGC=95; | |
1706 | else if(RXAGC<30) | |
1707 | RXAGC=30; | |
1708 | RXAGC=(95-RXAGC)*100/65; | |
1709 | } | |
1710 | priv->SignalStrength = (u8)RXAGC; | |
1711 | priv->RecvSignalPower = RxAGC_dBm ; // It can use directly by SD3 CMLin | |
1712 | priv->RxPower = rxpower; | |
1713 | priv->RSSI = RSSI; | |
1714 | //{by amy 080312 | |
1715 | // SQ translation formular is provided by SD3 DZ. 2006.06.27, by rcnjko. | |
1716 | if(quality >= 127) | |
1717 | quality = 1;//0; //0 will cause epc to show signal zero , walk aroud now; | |
1718 | else if(quality < 27) | |
1719 | quality = 100; | |
1720 | else | |
1721 | quality = 127 - quality; | |
1722 | priv->SignalQuality = quality; | |
1723 | if(!priv->card_8185) | |
1724 | printk("check your card type\n"); | |
1725 | ||
1726 | stats.signal = (u8)quality;//priv->wstats.qual.level = priv->SignalStrength; | |
1727 | stats.signalstrength = RXAGC; | |
1728 | if(stats.signalstrength > 100) | |
1729 | stats.signalstrength = 100; | |
1730 | stats.signalstrength = (stats.signalstrength * 70)/100 + 30; | |
1731 | // printk("==========================>rx : RXAGC is %d,signalstrength is %d\n",RXAGC,stats.signalstrength); | |
1732 | stats.rssi = priv->wstats.qual.qual = priv->SignalQuality; | |
1733 | stats.noise = priv->wstats.qual.noise = 100 - priv ->wstats.qual.qual; | |
1734 | //by amy 080312} | |
1735 | bHwError = (((*(priv->rxringtail))& (0x00000fff)) == 4080)| (((*(priv->rxringtail))& (0x04000000)) != 0 ) | |
1736 | | (((*(priv->rxringtail))& (0x08000000)) != 0 )| (((~(*(priv->rxringtail)))& (0x10000000)) != 0 )| (((~(*(priv->rxringtail)))& (0x20000000)) != 0 ); | |
1737 | bCRC = ((*(priv->rxringtail)) & (0x00002000)) >> 13; | |
1738 | bICV = ((*(priv->rxringtail)) & (0x00001000)) >> 12; | |
0604384d | 1739 | hdr = (struct ieee80211_hdr_4addr *)priv->rxbuffer->buf; |
c8d86be3 GKH |
1740 | fc = le16_to_cpu(hdr->frame_ctl); |
1741 | type = WLAN_FC_GET_TYPE(fc); | |
1742 | ||
1743 | if((IEEE80211_FTYPE_CTL != type) && | |
1744 | (eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3)) | |
1745 | && (!bHwError) && (!bCRC)&& (!bICV)) | |
1746 | { | |
1747 | //by amy 080312 | |
1748 | // Perform signal smoothing for dynamic mechanism on demand. | |
1749 | // This is different with PerformSignalSmoothing8185 in smoothing fomula. | |
1750 | // No dramatic adjustion is apply because dynamic mechanism need some degree | |
1751 | // of correctness. 2007.01.23, by shien chang. | |
1752 | PerformUndecoratedSignalSmoothing8185(priv,bCckRate); | |
1753 | // | |
1754 | // For good-looking singal strength. | |
1755 | // | |
1756 | SignalStrengthIndex = NetgearSignalStrengthTranslate( | |
1757 | priv->LastSignalStrengthInPercent, | |
1758 | priv->SignalStrength); | |
1759 | ||
1760 | priv->LastSignalStrengthInPercent = SignalStrengthIndex; | |
1761 | priv->Stats_SignalStrength = TranslateToDbm8185((u8)SignalStrengthIndex); | |
1762 | // | |
1763 | // We need more correct power of received packets and the "SignalStrength" of RxStats is beautified, | |
1764 | // so we record the correct power here. | |
1765 | // | |
1766 | priv->Stats_SignalQuality =(long) (priv->Stats_SignalQuality * 5 + (long)priv->SignalQuality + 5) / 6; | |
1767 | priv->Stats_RecvSignalPower = (long)(priv->Stats_RecvSignalPower * 5 + priv->RecvSignalPower -1) / 6; | |
1768 | ||
1769 | // Figure out which antenna that received the lasted packet. | |
1770 | priv->LastRxPktAntenna = Antenna ? 1 : 0; // 0: aux, 1: main. | |
1771 | //by amy 080312 | |
1772 | SwAntennaDiversityRxOk8185(dev, priv->SignalStrength); | |
1773 | } | |
1774 | ||
1775 | //by amy for antenna | |
c8d86be3 GKH |
1776 | #ifndef DUMMY_RX |
1777 | if(first){ | |
1778 | if(!priv->rx_skb_complete){ | |
1779 | /* seems that HW sometimes fails to reiceve and | |
1780 | doesn't provide the last descriptor */ | |
c8d86be3 GKH |
1781 | dev_kfree_skb_any(priv->rx_skb); |
1782 | priv->stats.rxnolast++; | |
c8d86be3 GKH |
1783 | } |
1784 | /* support for prism header has been originally added by Christian */ | |
1785 | if(priv->prism_hdr && priv->ieee80211->iw_mode == IW_MODE_MONITOR){ | |
1786 | ||
c8d86be3 GKH |
1787 | }else{ |
1788 | priv->rx_skb = dev_alloc_skb(len+2); | |
1789 | if( !priv->rx_skb) goto drop; | |
c8d86be3 GKH |
1790 | } |
1791 | ||
1792 | priv->rx_skb_complete=0; | |
1793 | priv->rx_skb->dev=dev; | |
1794 | }else{ | |
1795 | /* if we are here we should have already RXed | |
1796 | * the first frame. | |
1797 | * If we get here and the skb is not allocated then | |
1798 | * we have just throw out garbage (skb not allocated) | |
1799 | * and we are still rxing garbage.... | |
1800 | */ | |
1801 | if(!priv->rx_skb_complete){ | |
1802 | ||
1803 | tmp_skb= dev_alloc_skb(priv->rx_skb->len +len+2); | |
1804 | ||
1805 | if(!tmp_skb) goto drop; | |
1806 | ||
1807 | tmp_skb->dev=dev; | |
c8d86be3 | 1808 | |
c8d86be3 GKH |
1809 | memcpy(skb_put(tmp_skb,priv->rx_skb->len), |
1810 | priv->rx_skb->data, | |
1811 | priv->rx_skb->len); | |
c8d86be3 GKH |
1812 | |
1813 | dev_kfree_skb_any(priv->rx_skb); | |
c8d86be3 GKH |
1814 | |
1815 | priv->rx_skb=tmp_skb; | |
1816 | } | |
1817 | } | |
ff954853 | 1818 | |
c8d86be3 | 1819 | if(!priv->rx_skb_complete) { |
c8d86be3 GKH |
1820 | if(padding) { |
1821 | memcpy(skb_put(priv->rx_skb,len), | |
1822 | (((unsigned char *)priv->rxbuffer->buf) + 2),len); | |
1823 | } else { | |
c8d86be3 GKH |
1824 | memcpy(skb_put(priv->rx_skb,len), |
1825 | priv->rxbuffer->buf,len); | |
c8d86be3 | 1826 | } |
c8d86be3 | 1827 | } |
c8d86be3 GKH |
1828 | |
1829 | if(last && !priv->rx_skb_complete){ | |
c8d86be3 GKH |
1830 | if(priv->rx_skb->len > 4) |
1831 | skb_trim(priv->rx_skb,priv->rx_skb->len-4); | |
c8d86be3 GKH |
1832 | #ifndef RX_DONT_PASS_UL |
1833 | if(!ieee80211_rx(priv->ieee80211, | |
1834 | priv->rx_skb, &stats)){ | |
c8d86be3 GKH |
1835 | #endif // RX_DONT_PASS_UL |
1836 | ||
1837 | dev_kfree_skb_any(priv->rx_skb); | |
1838 | #ifndef RX_DONT_PASS_UL | |
1839 | } | |
c8d86be3 GKH |
1840 | #endif |
1841 | priv->rx_skb_complete=1; | |
1842 | } | |
1843 | ||
1844 | #endif //DUMMY_RX | |
c8d86be3 GKH |
1845 | pci_dma_sync_single_for_device(priv->pdev, |
1846 | priv->rxbuffer->dma, | |
1847 | priv->rxbuffersize * \ | |
1848 | sizeof(u8), | |
1849 | PCI_DMA_FROMDEVICE); | |
1850 | ||
c8d86be3 | 1851 | drop: // this is used when we have not enought mem |
c8d86be3 GKH |
1852 | /* restore the descriptor */ |
1853 | *(priv->rxringtail+2)=priv->rxbuffer->dma; | |
1854 | *(priv->rxringtail)=*(priv->rxringtail) &~ 0xfff; | |
1855 | *(priv->rxringtail)= | |
1856 | *(priv->rxringtail) | priv->rxbuffersize; | |
1857 | ||
1858 | *(priv->rxringtail)= | |
1859 | *(priv->rxringtail) | (1<<31); | |
c8d86be3 GKH |
1860 | |
1861 | priv->rxringtail+=rx_desc_size; | |
1862 | if(priv->rxringtail >= | |
1863 | (priv->rxring)+(priv->rxringcount )*rx_desc_size) | |
1864 | priv->rxringtail=priv->rxring; | |
1865 | ||
c8d86be3 | 1866 | priv->rxbuffer=(priv->rxbuffer->next); |
c8d86be3 | 1867 | } |
c8d86be3 GKH |
1868 | } |
1869 | ||
1870 | ||
1871 | void rtl8180_dma_kick(struct net_device *dev, int priority) | |
1872 | { | |
1873 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
1874 | ||
1875 | rtl8180_set_mode(dev,EPROM_CMD_CONFIG); | |
c8d86be3 GKH |
1876 | write_nic_byte(dev, TX_DMA_POLLING, |
1877 | (1 << (priority + 1)) | priv->dma_poll_mask); | |
1878 | rtl8180_set_mode(dev,EPROM_CMD_NORMAL); | |
1879 | ||
1880 | force_pci_posting(dev); | |
1881 | } | |
1882 | ||
c8d86be3 GKH |
1883 | void rtl8180_data_hard_stop(struct net_device *dev) |
1884 | { | |
1885 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
1886 | ||
1887 | rtl8180_set_mode(dev,EPROM_CMD_CONFIG); | |
c8d86be3 GKH |
1888 | priv->dma_poll_stop_mask |= TPPOLLSTOP_AC_VIQ; |
1889 | write_nic_byte(dev,TPPollStop, priv->dma_poll_stop_mask); | |
c8d86be3 GKH |
1890 | rtl8180_set_mode(dev,EPROM_CMD_NORMAL); |
1891 | } | |
1892 | ||
c8d86be3 GKH |
1893 | void rtl8180_data_hard_resume(struct net_device *dev) |
1894 | { | |
1895 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
1896 | ||
1897 | rtl8180_set_mode(dev,EPROM_CMD_CONFIG); | |
c8d86be3 GKH |
1898 | priv->dma_poll_stop_mask &= ~(TPPOLLSTOP_AC_VIQ); |
1899 | write_nic_byte(dev,TPPollStop, priv->dma_poll_stop_mask); | |
c8d86be3 GKH |
1900 | rtl8180_set_mode(dev,EPROM_CMD_NORMAL); |
1901 | } | |
1902 | ||
c8d86be3 GKH |
1903 | /* this function TX data frames when the ieee80211 stack requires this. |
1904 | * It checks also if we need to stop the ieee tx queue, eventually do it | |
1905 | */ | |
1906 | void rtl8180_hard_data_xmit(struct sk_buff *skb,struct net_device *dev, int | |
1907 | rate) | |
1908 | { | |
1909 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
1910 | int mode; | |
1911 | struct ieee80211_hdr_3addr *h = (struct ieee80211_hdr_3addr *) skb->data; | |
1912 | short morefrag = (h->frame_ctl) & IEEE80211_FCTL_MOREFRAGS; | |
1913 | unsigned long flags; | |
1914 | int priority; | |
c8d86be3 GKH |
1915 | |
1916 | mode = priv->ieee80211->iw_mode; | |
1917 | ||
1918 | rate = ieeerate2rtlrate(rate); | |
1919 | /* | |
1920 | * This function doesn't require lock because we make | |
1921 | * sure it's called with the tx_lock already acquired. | |
1922 | * this come from the kernel's hard_xmit callback (trought | |
1923 | * the ieee stack, or from the try_wake_queue (again trought | |
1924 | * the ieee stack. | |
1925 | */ | |
c8d86be3 | 1926 | priority = AC2Q(skb->priority); |
c8d86be3 GKH |
1927 | spin_lock_irqsave(&priv->tx_lock,flags); |
1928 | ||
1929 | if(priv->ieee80211->bHwRadioOff) | |
1930 | { | |
1931 | spin_unlock_irqrestore(&priv->tx_lock,flags); | |
1932 | ||
1933 | return; | |
1934 | } | |
1935 | ||
c8d86be3 | 1936 | if (!check_nic_enought_desc(dev, priority)){ |
c8d86be3 GKH |
1937 | DMESGW("Error: no descriptor left by previous TX (avail %d) ", |
1938 | get_curr_tx_free_desc(dev, priority)); | |
c8d86be3 GKH |
1939 | ieee80211_stop_queue(priv->ieee80211); |
1940 | } | |
1941 | rtl8180_tx(dev, skb->data, skb->len, priority, morefrag,0,rate); | |
1942 | if (!check_nic_enought_desc(dev, priority)) | |
1943 | ieee80211_stop_queue(priv->ieee80211); | |
1944 | ||
c8d86be3 | 1945 | spin_unlock_irqrestore(&priv->tx_lock,flags); |
c8d86be3 GKH |
1946 | } |
1947 | ||
1948 | /* This is a rough attempt to TX a frame | |
1949 | * This is called by the ieee 80211 stack to TX management frames. | |
1950 | * If the ring is full packet are dropped (for data frame the queue | |
1951 | * is stopped before this can happen). For this reason it is better | |
1952 | * if the descriptors are larger than the largest management frame | |
1953 | * we intend to TX: i'm unsure what the HW does if it will not found | |
1954 | * the last fragment of a frame because it has been dropped... | |
1955 | * Since queues for Management and Data frames are different we | |
1956 | * might use a different lock than tx_lock (for example mgmt_tx_lock) | |
1957 | */ | |
1958 | /* these function may loops if invoked with 0 descriptors or 0 len buffer*/ | |
1959 | int rtl8180_hard_start_xmit(struct sk_buff *skb,struct net_device *dev) | |
1960 | { | |
1961 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
c8d86be3 | 1962 | unsigned long flags; |
c8d86be3 GKH |
1963 | int priority; |
1964 | ||
c8d86be3 | 1965 | priority = MANAGE_PRIORITY; |
c8d86be3 GKH |
1966 | |
1967 | spin_lock_irqsave(&priv->tx_lock,flags); | |
1968 | ||
fd882783 | 1969 | if (priv->ieee80211->bHwRadioOff) { |
c8d86be3 | 1970 | spin_unlock_irqrestore(&priv->tx_lock,flags); |
c8d86be3 | 1971 | dev_kfree_skb_any(skb); |
ec634fe3 | 1972 | return NETDEV_TX_OK; |
c8d86be3 GKH |
1973 | } |
1974 | ||
1975 | rtl8180_tx(dev, skb->data, skb->len, priority, | |
1976 | 0, 0,ieeerate2rtlrate(priv->ieee80211->basic_rate)); | |
1977 | ||
1978 | priv->ieee80211->stats.tx_bytes+=skb->len; | |
1979 | priv->ieee80211->stats.tx_packets++; | |
1980 | spin_unlock_irqrestore(&priv->tx_lock,flags); | |
1981 | ||
1982 | dev_kfree_skb_any(skb); | |
ec634fe3 | 1983 | return NETDEV_TX_OK; |
c8d86be3 GKH |
1984 | } |
1985 | ||
1986 | // longpre 144+48 shortpre 72+24 | |
1987 | u16 rtl8180_len2duration(u32 len, short rate,short* ext) | |
1988 | { | |
1989 | u16 duration; | |
1990 | u16 drift; | |
1991 | *ext=0; | |
1992 | ||
1993 | switch(rate){ | |
1994 | case 0://1mbps | |
1995 | *ext=0; | |
1996 | duration = ((len+4)<<4) /0x2; | |
1997 | drift = ((len+4)<<4) % 0x2; | |
1998 | if(drift ==0 ) break; | |
1999 | duration++; | |
2000 | break; | |
c8d86be3 GKH |
2001 | case 1://2mbps |
2002 | *ext=0; | |
2003 | duration = ((len+4)<<4) /0x4; | |
2004 | drift = ((len+4)<<4) % 0x4; | |
2005 | if(drift ==0 ) break; | |
2006 | duration++; | |
2007 | break; | |
c8d86be3 GKH |
2008 | case 2: //5.5mbps |
2009 | *ext=0; | |
2010 | duration = ((len+4)<<4) /0xb; | |
2011 | drift = ((len+4)<<4) % 0xb; | |
2012 | if(drift ==0 ) | |
2013 | break; | |
2014 | duration++; | |
2015 | break; | |
c8d86be3 GKH |
2016 | default: |
2017 | case 3://11mbps | |
2018 | *ext=0; | |
2019 | duration = ((len+4)<<4) /0x16; | |
2020 | drift = ((len+4)<<4) % 0x16; | |
2021 | if(drift ==0 ) | |
2022 | break; | |
2023 | duration++; | |
2024 | if(drift > 6) | |
2025 | break; | |
2026 | *ext=1; | |
2027 | break; | |
2028 | } | |
2029 | ||
2030 | return duration; | |
2031 | } | |
2032 | ||
c8d86be3 GKH |
2033 | void rtl8180_prepare_beacon(struct net_device *dev) |
2034 | { | |
c8d86be3 | 2035 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
c8d86be3 GKH |
2036 | struct sk_buff *skb; |
2037 | ||
2038 | u16 word = read_nic_word(dev, BcnItv); | |
2039 | word &= ~BcnItv_BcnItv; // clear Bcn_Itv | |
2040 | word |= cpu_to_le16(priv->ieee80211->current_network.beacon_interval);//0x64; | |
2041 | write_nic_word(dev, BcnItv, word); | |
2042 | ||
c8d86be3 GKH |
2043 | skb = ieee80211_get_beacon(priv->ieee80211); |
2044 | if(skb){ | |
2045 | rtl8180_tx(dev,skb->data,skb->len,BEACON_PRIORITY, | |
2046 | 0,0,ieeerate2rtlrate(priv->ieee80211->basic_rate)); | |
2047 | dev_kfree_skb_any(skb); | |
2048 | } | |
c8d86be3 GKH |
2049 | } |
2050 | ||
2051 | /* This function do the real dirty work: it enqueues a TX command | |
2052 | * descriptor in the ring buffer, copyes the frame in a TX buffer | |
2053 | * and kicks the NIC to ensure it does the DMA transfer. | |
2054 | */ | |
2055 | short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority, | |
2056 | short morefrag, short descfrag, int rate) | |
2057 | { | |
2058 | struct r8180_priv *priv = ieee80211_priv(dev); | |
2059 | u32 *tail,*temp_tail; | |
2060 | u32 *begin; | |
2061 | u32 *buf; | |
2062 | int i; | |
2063 | int remain; | |
2064 | int buflen; | |
2065 | int count; | |
c8d86be3 GKH |
2066 | u16 duration; |
2067 | short ext; | |
2068 | struct buffer* buflist; | |
c8d86be3 GKH |
2069 | struct ieee80211_hdr_3addr *frag_hdr = (struct ieee80211_hdr_3addr *)txbuf; |
2070 | u8 dest[ETH_ALEN]; | |
2071 | u8 bUseShortPreamble = 0; | |
2072 | u8 bCTSEnable = 0; | |
2073 | u8 bRTSEnable = 0; | |
c8d86be3 GKH |
2074 | u16 Duration = 0; |
2075 | u16 RtsDur = 0; | |
2076 | u16 ThisFrameTime = 0; | |
2077 | u16 TxDescDuration = 0; | |
2078 | u8 ownbit_flag = false; //added by david woo for sync Tx, 2007.12.14 | |
c8d86be3 GKH |
2079 | |
2080 | switch(priority) { | |
2081 | case MANAGE_PRIORITY: | |
2082 | tail=priv->txmapringtail; | |
2083 | begin=priv->txmapring; | |
2084 | buflist = priv->txmapbufstail; | |
2085 | count = priv->txringcount; | |
2086 | break; | |
c8d86be3 GKH |
2087 | case BK_PRIORITY: |
2088 | tail=priv->txbkpringtail; | |
2089 | begin=priv->txbkpring; | |
2090 | buflist = priv->txbkpbufstail; | |
2091 | count = priv->txringcount; | |
2092 | break; | |
c8d86be3 GKH |
2093 | case BE_PRIORITY: |
2094 | tail=priv->txbepringtail; | |
2095 | begin=priv->txbepring; | |
2096 | buflist = priv->txbepbufstail; | |
2097 | count = priv->txringcount; | |
2098 | break; | |
c8d86be3 GKH |
2099 | case VI_PRIORITY: |
2100 | tail=priv->txvipringtail; | |
2101 | begin=priv->txvipring; | |
2102 | buflist = priv->txvipbufstail; | |
2103 | count = priv->txringcount; | |
2104 | break; | |
c8d86be3 GKH |
2105 | case VO_PRIORITY: |
2106 | tail=priv->txvopringtail; | |
2107 | begin=priv->txvopring; | |
2108 | buflist = priv->txvopbufstail; | |
2109 | count = priv->txringcount; | |
2110 | break; | |
c8d86be3 GKH |
2111 | case HI_PRIORITY: |
2112 | tail=priv->txhpringtail; | |
2113 | begin=priv->txhpring; | |
2114 | buflist = priv->txhpbufstail; | |
2115 | count = priv->txringcount; | |
2116 | break; | |
c8d86be3 GKH |
2117 | case BEACON_PRIORITY: |
2118 | tail=priv->txbeaconringtail; | |
2119 | begin=priv->txbeaconring; | |
2120 | buflist = priv->txbeaconbufstail; | |
2121 | count = priv->txbeaconcount; | |
2122 | break; | |
c8d86be3 GKH |
2123 | default: |
2124 | return -1; | |
2125 | break; | |
2126 | } | |
2127 | ||
c8d86be3 GKH |
2128 | memcpy(&dest, frag_hdr->addr1, ETH_ALEN); |
2129 | if (is_multicast_ether_addr(dest) || | |
2130 | is_broadcast_ether_addr(dest)) | |
2131 | { | |
2132 | Duration = 0; | |
2133 | RtsDur = 0; | |
2134 | bRTSEnable = 0; | |
2135 | bCTSEnable = 0; | |
2136 | ||
2137 | ThisFrameTime = ComputeTxTime(len + sCrcLng, rtl8180_rate2rate(rate), 0, bUseShortPreamble); | |
2138 | TxDescDuration = ThisFrameTime; | |
2139 | } else {// Unicast packet | |
c8d86be3 GKH |
2140 | u16 AckTime; |
2141 | ||
2142 | //YJ,add,080828,for Keep alive | |
2143 | priv->NumTxUnicast++; | |
2144 | ||
2145 | // Figure out ACK rate according to BSS basic rate and Tx rate, 2006.03.08 by rcnjko. | |
c8d86be3 | 2146 | AckTime = ComputeTxTime(14, 10,0, 0); // AckCTSLng = 14 use 1M bps send |
c8d86be3 GKH |
2147 | |
2148 | if ( ((len + sCrcLng) > priv->rts) && priv->rts ) | |
2149 | { // RTS/CTS. | |
2150 | u16 RtsTime, CtsTime; | |
2151 | //u16 CtsRate; | |
2152 | bRTSEnable = 1; | |
2153 | bCTSEnable = 0; | |
2154 | ||
2155 | // Rate and time required for RTS. | |
2156 | RtsTime = ComputeTxTime( sAckCtsLng/8,priv->ieee80211->basic_rate, 0, 0); | |
2157 | // Rate and time required for CTS. | |
2158 | CtsTime = ComputeTxTime(14, 10,0, 0); // AckCTSLng = 14 use 1M bps send | |
2159 | ||
2160 | // Figure out time required to transmit this frame. | |
2161 | ThisFrameTime = ComputeTxTime(len + sCrcLng, | |
2162 | rtl8180_rate2rate(rate), | |
2163 | 0, | |
2164 | bUseShortPreamble); | |
2165 | ||
2166 | // RTS-CTS-ThisFrame-ACK. | |
2167 | RtsDur = CtsTime + ThisFrameTime + AckTime + 3*aSifsTime; | |
2168 | ||
2169 | TxDescDuration = RtsTime + RtsDur; | |
2170 | } | |
2171 | else {// Normal case. | |
2172 | bCTSEnable = 0; | |
2173 | bRTSEnable = 0; | |
2174 | RtsDur = 0; | |
2175 | ||
2176 | ThisFrameTime = ComputeTxTime(len + sCrcLng, rtl8180_rate2rate(rate), 0, bUseShortPreamble); | |
2177 | TxDescDuration = ThisFrameTime + aSifsTime + AckTime; | |
2178 | } | |
2179 | ||
2180 | if(!(frag_hdr->frame_ctl & IEEE80211_FCTL_MOREFRAGS)) { //no more fragment | |
2181 | // ThisFrame-ACK. | |
2182 | Duration = aSifsTime + AckTime; | |
2183 | } else { // One or more fragments remained. | |
2184 | u16 NextFragTime; | |
2185 | NextFragTime = ComputeTxTime( len + sCrcLng, //pretend following packet length equal current packet | |
2186 | rtl8180_rate2rate(rate), | |
2187 | 0, | |
2188 | bUseShortPreamble ); | |
2189 | ||
2190 | //ThisFrag-ACk-NextFrag-ACK. | |
2191 | Duration = NextFragTime + 3*aSifsTime + 2*AckTime; | |
2192 | } | |
2193 | ||
2194 | } // End of Unicast packet | |
2195 | ||
2196 | frag_hdr->duration_id = Duration; | |
c8d86be3 GKH |
2197 | |
2198 | buflen=priv->txbuffsize; | |
2199 | remain=len; | |
2200 | temp_tail = tail; | |
fd882783 | 2201 | |
c8d86be3 | 2202 | while(remain!=0){ |
c8d86be3 GKH |
2203 | mb(); |
2204 | if(!buflist){ | |
2205 | DMESGE("TX buffer error, cannot TX frames. pri %d.", priority); | |
c8d86be3 GKH |
2206 | return -1; |
2207 | } | |
2208 | buf=buflist->buf; | |
2209 | ||
fd882783 BZ |
2210 | if ((*tail & (1 << 31)) && (priority != BEACON_PRIORITY)) { |
2211 | DMESGW("No more TX desc, returning %x of %x", | |
2212 | remain, len); | |
2213 | priv->stats.txrdu++; | |
c8d86be3 | 2214 | return remain; |
c8d86be3 GKH |
2215 | } |
2216 | ||
2217 | *tail= 0; // zeroes header | |
2218 | *(tail+1) = 0; | |
2219 | *(tail+3) = 0; | |
2220 | *(tail+5) = 0; | |
2221 | *(tail+6) = 0; | |
2222 | *(tail+7) = 0; | |
2223 | ||
2224 | if(priv->card_8185){ | |
2225 | //FIXME: this should be triggered by HW encryption parameters. | |
2226 | *tail |= (1<<15); //no encrypt | |
c8d86be3 | 2227 | } |
fd882783 | 2228 | |
c8d86be3 GKH |
2229 | if(remain==len && !descfrag) { |
2230 | ownbit_flag = false; //added by david woo,2007.12.14 | |
c8d86be3 GKH |
2231 | *tail = *tail| (1<<29) ; //fist segment of the packet |
2232 | *tail = *tail |(len); | |
2233 | } else { | |
2234 | ownbit_flag = true; | |
2235 | } | |
2236 | ||
2237 | for(i=0;i<buflen&& remain >0;i++,remain--){ | |
2238 | ((u8*)buf)[i]=txbuf[i]; //copy data into descriptor pointed DMAble buffer | |
2239 | if(remain == 4 && i+4 >= buflen) break; | |
2240 | /* ensure the last desc has at least 4 bytes payload */ | |
2241 | ||
2242 | } | |
2243 | txbuf = txbuf + i; | |
2244 | *(tail+3)=*(tail+3) &~ 0xfff; | |
2245 | *(tail+3)=*(tail+3) | i; // buffer lenght | |
2246 | // Use short preamble or not | |
2247 | if (priv->ieee80211->current_network.capability&WLAN_CAPABILITY_SHORT_PREAMBLE) | |
2248 | if (priv->plcp_preamble_mode==1 && rate!=0) // short mode now, not long! | |
b3184e1e | 2249 | ;// *tail |= (1<<16); // enable short preamble mode. |
c8d86be3 | 2250 | |
c8d86be3 GKH |
2251 | if(bCTSEnable) { |
2252 | *tail |= (1<<18); | |
2253 | } | |
2254 | ||
2255 | if(bRTSEnable) //rts enable | |
2256 | { | |
2257 | *tail |= ((ieeerate2rtlrate(priv->ieee80211->basic_rate))<<19);//RTS RATE | |
2258 | *tail |= (1<<23);//rts enable | |
2259 | *(tail+1) |=(RtsDur&0xffff);//RTS Duration | |
2260 | } | |
2261 | *(tail+3) |= ((TxDescDuration&0xffff)<<16); //DURATION | |
2262 | // *(tail+3) |= (0xe6<<16); | |
2263 | *(tail+5) |= (11<<8);//(priv->retry_data<<8); //retry lim ; | |
c8d86be3 GKH |
2264 | |
2265 | *tail = *tail | ((rate&0xf) << 24); | |
c8d86be3 GKH |
2266 | |
2267 | /* hw_plcp_len is not used for rtl8180 chip */ | |
2268 | /* FIXME */ | |
2269 | if(priv->card_8185 == 0 || !priv->hw_plcp_len){ | |
fd882783 | 2270 | duration = rtl8180_len2duration(len, rate, &ext); |
c8d86be3 GKH |
2271 | *(tail+1) = *(tail+1) | ((duration & 0x7fff)<<16); |
2272 | if(ext) *(tail+1) = *(tail+1) |(1<<31); //plcp length extension | |
2273 | } | |
2274 | ||
2275 | if(morefrag) *tail = (*tail) | (1<<17); // more fragment | |
2276 | if(!remain) *tail = (*tail) | (1<<28); // last segment of frame | |
2277 | ||
c8d86be3 GKH |
2278 | *(tail+5) = *(tail+5)|(2<<27); |
2279 | *(tail+7) = *(tail+7)|(1<<4); | |
2280 | ||
2281 | wmb(); | |
2282 | if(ownbit_flag) | |
2283 | { | |
2284 | *tail = *tail | (1<<31); // descriptor ready to be txed | |
2285 | } | |
2286 | ||
c8d86be3 GKH |
2287 | if((tail - begin)/8 == count-1) |
2288 | tail=begin; | |
c8d86be3 GKH |
2289 | else |
2290 | tail=tail+8; | |
2291 | ||
2292 | buflist=buflist->next; | |
2293 | ||
2294 | mb(); | |
2295 | ||
2296 | switch(priority) { | |
2297 | case MANAGE_PRIORITY: | |
2298 | priv->txmapringtail=tail; | |
2299 | priv->txmapbufstail=buflist; | |
2300 | break; | |
c8d86be3 GKH |
2301 | case BK_PRIORITY: |
2302 | priv->txbkpringtail=tail; | |
2303 | priv->txbkpbufstail=buflist; | |
2304 | break; | |
c8d86be3 GKH |
2305 | case BE_PRIORITY: |
2306 | priv->txbepringtail=tail; | |
2307 | priv->txbepbufstail=buflist; | |
2308 | break; | |
c8d86be3 GKH |
2309 | case VI_PRIORITY: |
2310 | priv->txvipringtail=tail; | |
2311 | priv->txvipbufstail=buflist; | |
2312 | break; | |
c8d86be3 GKH |
2313 | case VO_PRIORITY: |
2314 | priv->txvopringtail=tail; | |
2315 | priv->txvopbufstail=buflist; | |
2316 | break; | |
c8d86be3 GKH |
2317 | case HI_PRIORITY: |
2318 | priv->txhpringtail=tail; | |
2319 | priv->txhpbufstail = buflist; | |
2320 | break; | |
c8d86be3 GKH |
2321 | case BEACON_PRIORITY: |
2322 | /* the HW seems to be happy with the 1st | |
2323 | * descriptor filled and the 2nd empty... | |
2324 | * So always update descriptor 1 and never | |
2325 | * touch 2nd | |
2326 | */ | |
c8d86be3 | 2327 | break; |
c8d86be3 | 2328 | } |
c8d86be3 GKH |
2329 | } |
2330 | *temp_tail = *temp_tail | (1<<31); // descriptor ready to be txed | |
2331 | rtl8180_dma_kick(dev,priority); | |
c8d86be3 GKH |
2332 | |
2333 | return 0; | |
c8d86be3 GKH |
2334 | } |
2335 | ||
c8d86be3 GKH |
2336 | void rtl8180_irq_rx_tasklet(struct r8180_priv * priv); |
2337 | ||
c8d86be3 GKH |
2338 | void rtl8180_link_change(struct net_device *dev) |
2339 | { | |
2340 | struct r8180_priv *priv = ieee80211_priv(dev); | |
2341 | u16 beacon_interval; | |
c8d86be3 | 2342 | struct ieee80211_network *net = &priv->ieee80211->current_network; |
c8d86be3 | 2343 | |
fd882783 | 2344 | rtl8180_update_msr(dev); |
c8d86be3 GKH |
2345 | |
2346 | rtl8180_set_mode(dev,EPROM_CMD_CONFIG); | |
2347 | ||
2348 | write_nic_dword(dev,BSSID,((u32*)net->bssid)[0]); | |
2349 | write_nic_word(dev,BSSID+4,((u16*)net->bssid)[2]); | |
2350 | ||
c8d86be3 GKH |
2351 | beacon_interval = read_nic_dword(dev,BEACON_INTERVAL); |
2352 | beacon_interval &= ~ BEACON_INTERVAL_MASK; | |
2353 | beacon_interval |= net->beacon_interval; | |
2354 | write_nic_dword(dev, BEACON_INTERVAL, beacon_interval); | |
2355 | ||
2356 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); | |
2357 | ||
c8d86be3 GKH |
2358 | if(priv->card_8185) |
2359 | rtl8180_set_chan(dev, priv->chan); | |
c8d86be3 GKH |
2360 | } |
2361 | ||
2362 | void rtl8180_rq_tx_ack(struct net_device *dev){ | |
2363 | ||
2364 | struct r8180_priv *priv = ieee80211_priv(dev); | |
fd882783 | 2365 | |
c8d86be3 GKH |
2366 | write_nic_byte(dev,CONFIG4,read_nic_byte(dev,CONFIG4)|CONFIG4_PWRMGT); |
2367 | priv->ack_tx_to_ieee = 1; | |
2368 | } | |
2369 | ||
2370 | short rtl8180_is_tx_queue_empty(struct net_device *dev){ | |
2371 | ||
2372 | struct r8180_priv *priv = ieee80211_priv(dev); | |
2373 | u32* d; | |
2374 | ||
2375 | for (d = priv->txmapring; | |
2376 | d < priv->txmapring + priv->txringcount;d+=8) | |
2377 | if(*d & (1<<31)) return 0; | |
2378 | ||
2379 | for (d = priv->txbkpring; | |
2380 | d < priv->txbkpring + priv->txringcount;d+=8) | |
2381 | if(*d & (1<<31)) return 0; | |
2382 | ||
2383 | for (d = priv->txbepring; | |
2384 | d < priv->txbepring + priv->txringcount;d+=8) | |
2385 | if(*d & (1<<31)) return 0; | |
2386 | ||
2387 | for (d = priv->txvipring; | |
2388 | d < priv->txvipring + priv->txringcount;d+=8) | |
2389 | if(*d & (1<<31)) return 0; | |
2390 | ||
2391 | for (d = priv->txvopring; | |
2392 | d < priv->txvopring + priv->txringcount;d+=8) | |
2393 | if(*d & (1<<31)) return 0; | |
2394 | ||
2395 | for (d = priv->txhpring; | |
2396 | d < priv->txhpring + priv->txringcount;d+=8) | |
2397 | if(*d & (1<<31)) return 0; | |
2398 | return 1; | |
2399 | } | |
2400 | /* FIXME FIXME 5msecs is random */ | |
2401 | #define HW_WAKE_DELAY 5 | |
2402 | ||
2403 | void rtl8180_hw_wakeup(struct net_device *dev) | |
2404 | { | |
2405 | unsigned long flags; | |
c8d86be3 GKH |
2406 | struct r8180_priv *priv = ieee80211_priv(dev); |
2407 | ||
2408 | spin_lock_irqsave(&priv->ps_lock,flags); | |
c8d86be3 | 2409 | write_nic_byte(dev,CONFIG4,read_nic_byte(dev,CONFIG4)&~CONFIG4_PWRMGT); |
fd882783 | 2410 | if (priv->rf_wakeup) |
c8d86be3 | 2411 | priv->rf_wakeup(dev); |
c8d86be3 GKH |
2412 | spin_unlock_irqrestore(&priv->ps_lock,flags); |
2413 | } | |
2414 | ||
2415 | void rtl8180_hw_sleep_down(struct net_device *dev) | |
2416 | { | |
2417 | unsigned long flags; | |
c8d86be3 GKH |
2418 | struct r8180_priv *priv = ieee80211_priv(dev); |
2419 | ||
2420 | spin_lock_irqsave(&priv->ps_lock,flags); | |
c8d86be3 GKH |
2421 | if(priv->rf_sleep) |
2422 | priv->rf_sleep(dev); | |
2423 | spin_unlock_irqrestore(&priv->ps_lock,flags); | |
2424 | } | |
2425 | ||
c8d86be3 GKH |
2426 | void rtl8180_hw_sleep(struct net_device *dev, u32 th, u32 tl) |
2427 | { | |
c8d86be3 | 2428 | struct r8180_priv *priv = ieee80211_priv(dev); |
c8d86be3 GKH |
2429 | u32 rb = jiffies; |
2430 | unsigned long flags; | |
2431 | ||
2432 | spin_lock_irqsave(&priv->ps_lock,flags); | |
2433 | ||
2434 | /* Writing HW register with 0 equals to disable | |
2435 | * the timer, that is not really what we want | |
2436 | */ | |
2437 | tl -= MSECS(4+16+7); | |
2438 | ||
c8d86be3 GKH |
2439 | /* If the interval in witch we are requested to sleep is too |
2440 | * short then give up and remain awake | |
2441 | */ | |
2442 | if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME)) | |
2443 | ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) { | |
2444 | spin_unlock_irqrestore(&priv->ps_lock,flags); | |
2445 | printk("too short to sleep\n"); | |
2446 | return; | |
2447 | } | |
2448 | ||
c8d86be3 GKH |
2449 | { |
2450 | u32 tmp = (tl>rb)?(tl-rb):(rb-tl); | |
c8d86be3 | 2451 | |
c8d86be3 GKH |
2452 | priv->DozePeriodInPast2Sec += jiffies_to_msecs(tmp); |
2453 | ||
2454 | queue_delayed_work(priv->ieee80211->wq, &priv->ieee80211->hw_wakeup_wq, tmp); //as tl may be less than rb | |
2455 | } | |
2456 | /* if we suspect the TimerInt is gone beyond tl | |
2457 | * while setting it, then give up | |
2458 | */ | |
fd882783 | 2459 | |
c8d86be3 GKH |
2460 | if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))|| |
2461 | ((tl < rb) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))) { | |
2462 | spin_unlock_irqrestore(&priv->ps_lock,flags); | |
2463 | return; | |
2464 | } | |
c8d86be3 GKH |
2465 | |
2466 | queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_sleep_wq); | |
2467 | spin_unlock_irqrestore(&priv->ps_lock,flags); | |
2468 | } | |
2469 | ||
c8d86be3 GKH |
2470 | void rtl8180_wmm_param_update(struct work_struct * work) |
2471 | { | |
2472 | struct ieee80211_device * ieee = container_of(work, struct ieee80211_device,wmm_param_update_wq); | |
c8d86be3 | 2473 | struct net_device *dev = ieee->dev; |
c8d86be3 GKH |
2474 | u8 *ac_param = (u8 *)(ieee->current_network.wmm_param); |
2475 | u8 mode = ieee->current_network.mode; | |
2476 | AC_CODING eACI; | |
2477 | AC_PARAM AcParam; | |
2478 | PAC_PARAM pAcParam; | |
2479 | u8 i; | |
2480 | ||
c8d86be3 GKH |
2481 | if(!ieee->current_network.QoS_Enable){ |
2482 | //legacy ac_xx_param update | |
2483 | AcParam.longData = 0; | |
2484 | AcParam.f.AciAifsn.f.AIFSN = 2; // Follow 802.11 DIFS. | |
2485 | AcParam.f.AciAifsn.f.ACM = 0; | |
2486 | AcParam.f.Ecw.f.ECWmin = 3; // Follow 802.11 CWmin. | |
2487 | AcParam.f.Ecw.f.ECWmax = 7; // Follow 802.11 CWmax. | |
2488 | AcParam.f.TXOPLimit = 0; | |
2489 | for(eACI = 0; eACI < AC_MAX; eACI++){ | |
2490 | AcParam.f.AciAifsn.f.ACI = (u8)eACI; | |
2491 | { | |
2492 | u8 u1bAIFS; | |
2493 | u32 u4bAcParam; | |
2494 | pAcParam = (PAC_PARAM)(&AcParam); | |
2495 | // Retrive paramters to udpate. | |
2496 | u1bAIFS = pAcParam->f.AciAifsn.f.AIFSN *(((mode&IEEE_G) == IEEE_G)?9:20) + aSifsTime; | |
2497 | u4bAcParam = ((((u32)(pAcParam->f.TXOPLimit))<<AC_PARAM_TXOP_LIMIT_OFFSET)| | |
2498 | (((u32)(pAcParam->f.Ecw.f.ECWmax))<<AC_PARAM_ECW_MAX_OFFSET)| | |
2499 | (((u32)(pAcParam->f.Ecw.f.ECWmin))<<AC_PARAM_ECW_MIN_OFFSET)| | |
2500 | (((u32)u1bAIFS) << AC_PARAM_AIFS_OFFSET)); | |
2501 | switch(eACI){ | |
2502 | case AC1_BK: | |
2503 | write_nic_dword(dev, AC_BK_PARAM, u4bAcParam); | |
2504 | break; | |
c8d86be3 GKH |
2505 | case AC0_BE: |
2506 | write_nic_dword(dev, AC_BE_PARAM, u4bAcParam); | |
2507 | break; | |
c8d86be3 GKH |
2508 | case AC2_VI: |
2509 | write_nic_dword(dev, AC_VI_PARAM, u4bAcParam); | |
2510 | break; | |
c8d86be3 GKH |
2511 | case AC3_VO: |
2512 | write_nic_dword(dev, AC_VO_PARAM, u4bAcParam); | |
2513 | break; | |
c8d86be3 GKH |
2514 | default: |
2515 | printk(KERN_WARNING "SetHwReg8185():invalid ACI: %d!\n", eACI); | |
2516 | break; | |
2517 | } | |
2518 | } | |
2519 | } | |
2520 | return; | |
2521 | } | |
2522 | ||
2523 | for(i = 0; i < AC_MAX; i++){ | |
2524 | //AcParam.longData = 0; | |
2525 | pAcParam = (AC_PARAM * )ac_param; | |
2526 | { | |
2527 | AC_CODING eACI; | |
2528 | u8 u1bAIFS; | |
2529 | u32 u4bAcParam; | |
2530 | ||
2531 | // Retrive paramters to udpate. | |
2532 | eACI = pAcParam->f.AciAifsn.f.ACI; | |
2533 | //Mode G/A: slotTimeTimer = 9; Mode B: 20 | |
2534 | u1bAIFS = pAcParam->f.AciAifsn.f.AIFSN * (((mode&IEEE_G) == IEEE_G)?9:20) + aSifsTime; | |
2535 | u4bAcParam = ( (((u32)(pAcParam->f.TXOPLimit)) << AC_PARAM_TXOP_LIMIT_OFFSET) | | |
2536 | (((u32)(pAcParam->f.Ecw.f.ECWmax)) << AC_PARAM_ECW_MAX_OFFSET) | | |
2537 | (((u32)(pAcParam->f.Ecw.f.ECWmin)) << AC_PARAM_ECW_MIN_OFFSET) | | |
2538 | (((u32)u1bAIFS) << AC_PARAM_AIFS_OFFSET)); | |
2539 | ||
2540 | switch(eACI){ | |
2541 | case AC1_BK: | |
2542 | write_nic_dword(dev, AC_BK_PARAM, u4bAcParam); | |
2543 | break; | |
c8d86be3 GKH |
2544 | case AC0_BE: |
2545 | write_nic_dword(dev, AC_BE_PARAM, u4bAcParam); | |
2546 | break; | |
c8d86be3 GKH |
2547 | case AC2_VI: |
2548 | write_nic_dword(dev, AC_VI_PARAM, u4bAcParam); | |
2549 | break; | |
c8d86be3 GKH |
2550 | case AC3_VO: |
2551 | write_nic_dword(dev, AC_VO_PARAM, u4bAcParam); | |
2552 | break; | |
c8d86be3 GKH |
2553 | default: |
2554 | printk(KERN_WARNING "SetHwReg8185(): invalid ACI: %d !\n", eACI); | |
2555 | break; | |
2556 | } | |
2557 | } | |
2558 | ac_param += (sizeof(AC_PARAM)); | |
2559 | } | |
c8d86be3 GKH |
2560 | } |
2561 | ||
c8d86be3 | 2562 | void rtl8180_tx_irq_wq(struct work_struct *work); |
c8d86be3 GKH |
2563 | void rtl8180_restart_wq(struct work_struct *work); |
2564 | //void rtl8180_rq_tx_ack(struct work_struct *work); | |
c8d86be3 | 2565 | void rtl8180_watch_dog_wq(struct work_struct *work); |
c8d86be3 | 2566 | void rtl8180_hw_wakeup_wq(struct work_struct *work); |
c8d86be3 | 2567 | void rtl8180_hw_sleep_wq(struct work_struct *work); |
c8d86be3 | 2568 | void rtl8180_sw_antenna_wq(struct work_struct *work); |
0370453f BZ |
2569 | void rtl8180_watch_dog(struct net_device *dev); |
2570 | ||
c8d86be3 GKH |
2571 | void watch_dog_adaptive(unsigned long data) |
2572 | { | |
fd882783 BZ |
2573 | struct r8180_priv* priv = ieee80211_priv((struct net_device *)data); |
2574 | ||
2575 | if (!priv->up) { | |
c8d86be3 GKH |
2576 | DMESG("<----watch_dog_adaptive():driver is not up!\n"); |
2577 | return; | |
2578 | } | |
2579 | ||
c8d86be3 GKH |
2580 | // Tx High Power Mechanism. |
2581 | #ifdef HIGH_POWER | |
2582 | if(CheckHighPower((struct net_device *)data)) | |
2583 | { | |
2584 | queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->tx_pw_wq); | |
2585 | } | |
2586 | #endif | |
2587 | ||
c8d86be3 GKH |
2588 | // Tx Power Tracking on 87SE. |
2589 | #ifdef TX_TRACK | |
2590 | //if( priv->bTxPowerTrack ) //lzm mod 080826 | |
2591 | if( CheckTxPwrTracking((struct net_device *)data)); | |
2592 | TxPwrTracking87SE((struct net_device *)data); | |
c8d86be3 GKH |
2593 | #endif |
2594 | ||
2595 | // Perform DIG immediately. | |
2596 | #ifdef SW_DIG | |
2597 | if(CheckDig((struct net_device *)data) == true) | |
2598 | { | |
2599 | queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_dig_wq); | |
2600 | } | |
2601 | #endif | |
c8d86be3 GKH |
2602 | rtl8180_watch_dog((struct net_device *)data); |
2603 | ||
c8d86be3 GKH |
2604 | queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->GPIOChangeRFWorkItem); |
2605 | ||
2606 | priv->watch_dog_timer.expires = jiffies + MSECS(IEEE80211_WATCH_DOG_TIME); | |
2607 | add_timer(&priv->watch_dog_timer); | |
c8d86be3 GKH |
2608 | } |
2609 | ||
c8d86be3 GKH |
2610 | static CHANNEL_LIST ChannelPlan[] = { |
2611 | {{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64},19}, //FCC | |
2612 | {{1,2,3,4,5,6,7,8,9,10,11},11}, //IC | |
2613 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //ETSI | |
2614 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //Spain. Change to ETSI. | |
2615 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //France. Change to ETSI. | |
2616 | {{14,36,40,44,48,52,56,60,64},9}, //MKK | |
2617 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,14, 36,40,44,48,52,56,60,64},22},//MKK1 | |
2618 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //Israel. | |
2619 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,34,38,42,46},17}, // For 11a , TELEC | |
2620 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14}, //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626 | |
2621 | {{1,2,3,4,5,6,7,8,9,10,11,12,13},13} //world wide 13: ch1~ch11 active scan, ch12~13 passive //lzm add 080826 | |
2622 | }; | |
2623 | ||
2624 | static void rtl8180_set_channel_map(u8 channel_plan, struct ieee80211_device *ieee) | |
2625 | { | |
2626 | int i; | |
2627 | ||
2628 | //lzm add 080826 | |
2629 | ieee->MinPassiveChnlNum=MAX_CHANNEL_NUMBER+1; | |
2630 | ieee->IbssStartChnl=0; | |
2631 | ||
2632 | switch (channel_plan) | |
2633 | { | |
2634 | case COUNTRY_CODE_FCC: | |
2635 | case COUNTRY_CODE_IC: | |
2636 | case COUNTRY_CODE_ETSI: | |
2637 | case COUNTRY_CODE_SPAIN: | |
2638 | case COUNTRY_CODE_FRANCE: | |
2639 | case COUNTRY_CODE_MKK: | |
2640 | case COUNTRY_CODE_MKK1: | |
2641 | case COUNTRY_CODE_ISRAEL: | |
2642 | case COUNTRY_CODE_TELEC: | |
2643 | { | |
2644 | Dot11d_Init(ieee); | |
2645 | ieee->bGlobalDomain = false; | |
2646 | if (ChannelPlan[channel_plan].Len != 0){ | |
2647 | // Clear old channel map | |
2648 | memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map)); | |
2649 | // Set new channel map | |
2650 | for (i=0;i<ChannelPlan[channel_plan].Len;i++) | |
2651 | { | |
2652 | if(ChannelPlan[channel_plan].Channel[i] <= 14) | |
2653 | GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1; | |
2654 | } | |
2655 | } | |
2656 | break; | |
2657 | } | |
2658 | case COUNTRY_CODE_GLOBAL_DOMAIN: | |
2659 | { | |
2660 | GET_DOT11D_INFO(ieee)->bEnabled = 0; | |
2661 | Dot11d_Reset(ieee); | |
2662 | ieee->bGlobalDomain = true; | |
2663 | break; | |
2664 | } | |
2665 | case COUNTRY_CODE_WORLD_WIDE_13_INDEX://lzm add 080826 | |
2666 | { | |
2667 | ieee->MinPassiveChnlNum=12; | |
2668 | ieee->IbssStartChnl= 10; | |
2669 | break; | |
2670 | } | |
2671 | default: | |
2672 | { | |
2673 | Dot11d_Init(ieee); | |
2674 | ieee->bGlobalDomain = false; | |
2675 | memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map)); | |
2676 | for (i=1;i<=14;i++) | |
2677 | { | |
2678 | GET_DOT11D_INFO(ieee)->channel_map[i] = 1; | |
2679 | } | |
2680 | break; | |
2681 | } | |
2682 | } | |
2683 | } | |
c8d86be3 | 2684 | |
c8d86be3 | 2685 | void GPIOChangeRFWorkItemCallBack(struct work_struct *work); |
c8d86be3 GKH |
2686 | |
2687 | //YJ,add,080828 | |
2688 | static void rtl8180_statistics_init(struct Stats *pstats) | |
2689 | { | |
2690 | memset(pstats, 0, sizeof(struct Stats)); | |
2691 | } | |
fd882783 | 2692 | |
c8d86be3 GKH |
2693 | static void rtl8180_link_detect_init(plink_detect_t plink_detect) |
2694 | { | |
2695 | memset(plink_detect, 0, sizeof(link_detect_t)); | |
2696 | plink_detect->SlotNum = DEFAULT_SLOT_NUM; | |
2697 | } | |
2698 | //YJ,add,080828,end | |
2699 | ||
2700 | short rtl8180_init(struct net_device *dev) | |
2701 | { | |
2702 | struct r8180_priv *priv = ieee80211_priv(dev); | |
2703 | u16 word; | |
2704 | u16 version; | |
2705 | u8 hw_version; | |
2706 | //u8 config3; | |
2707 | u32 usValue; | |
2708 | u16 tmpu16; | |
2709 | int i, j; | |
2710 | ||
c8d86be3 GKH |
2711 | priv->channel_plan = eprom_read(dev, EEPROM_COUNTRY_CODE>>1) & 0xFF; |
2712 | if(priv->channel_plan > COUNTRY_CODE_GLOBAL_DOMAIN){ | |
2713 | printk("rtl8180_init:Error channel plan! Set to default.\n"); | |
2714 | priv->channel_plan = 0; | |
2715 | } | |
c8d86be3 GKH |
2716 | |
2717 | DMESG("Channel plan is %d\n",priv->channel_plan); | |
2718 | rtl8180_set_channel_map(priv->channel_plan, priv->ieee80211); | |
c8d86be3 | 2719 | |
c8d86be3 GKH |
2720 | //FIXME: these constants are placed in a bad pleace. |
2721 | priv->txbuffsize = 2048;//1024; | |
2722 | priv->txringcount = 32;//32; | |
2723 | priv->rxbuffersize = 2048;//1024; | |
2724 | priv->rxringcount = 64;//32; | |
2725 | priv->txbeaconcount = 2; | |
2726 | priv->rx_skb_complete = 1; | |
c8d86be3 | 2727 | |
c8d86be3 | 2728 | priv->RegThreeWireMode = HW_THREE_WIRE_SI; |
c8d86be3 | 2729 | |
c8d86be3 GKH |
2730 | priv->RFChangeInProgress = false; |
2731 | priv->SetRFPowerStateInProgress = false; | |
2732 | priv->RFProgType = 0; | |
2733 | priv->bInHctTest = false; | |
2734 | ||
2735 | priv->irq_enabled=0; | |
2736 | ||
c8d86be3 GKH |
2737 | rtl8180_statistics_init(&priv->stats); |
2738 | rtl8180_link_detect_init(&priv->link_detect); | |
c8d86be3 GKH |
2739 | |
2740 | priv->ack_tx_to_ieee = 0; | |
2741 | priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL; | |
2742 | priv->ieee80211->iw_mode = IW_MODE_INFRA; | |
2743 | priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN | | |
2744 | IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ | | |
2745 | IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE; | |
2746 | priv->ieee80211->active_scan = 1; | |
2747 | priv->ieee80211->rate = 110; //11 mbps | |
2748 | priv->ieee80211->modulation = IEEE80211_CCK_MODULATION; | |
2749 | priv->ieee80211->host_encrypt = 1; | |
2750 | priv->ieee80211->host_decrypt = 1; | |
2751 | priv->ieee80211->sta_wake_up = rtl8180_hw_wakeup; | |
2752 | priv->ieee80211->ps_request_tx_ack = rtl8180_rq_tx_ack; | |
2753 | priv->ieee80211->enter_sleep_state = rtl8180_hw_sleep; | |
2754 | priv->ieee80211->ps_is_queue_empty = rtl8180_is_tx_queue_empty; | |
2755 | ||
2756 | priv->hw_wep = hwwep; | |
2757 | priv->prism_hdr=0; | |
2758 | priv->dev=dev; | |
2759 | priv->retry_rts = DEFAULT_RETRY_RTS; | |
2760 | priv->retry_data = DEFAULT_RETRY_DATA; | |
2761 | priv->RFChangeInProgress = false; | |
2762 | priv->SetRFPowerStateInProgress = false; | |
2763 | priv->RFProgType = 0; | |
2764 | priv->bInHctTest = false; | |
2765 | priv->bInactivePs = true;//false; | |
2766 | priv->ieee80211->bInactivePs = priv->bInactivePs; | |
2767 | priv->bSwRfProcessing = false; | |
2768 | priv->eRFPowerState = eRfOff; | |
2769 | priv->RfOffReason = 0; | |
2770 | priv->LedStrategy = SW_LED_MODE0; | |
c8d86be3 GKH |
2771 | priv->TxPollingTimes = 0;//lzm add 080826 |
2772 | priv->bLeisurePs = true; | |
2773 | priv->dot11PowerSaveMode = eActive; | |
2774 | //by amy for antenna | |
2775 | priv->AdMinCheckPeriod = 5; | |
2776 | priv->AdMaxCheckPeriod = 10; | |
2777 | // Lower signal strength threshold to fit the HW participation in antenna diversity. +by amy 080312 | |
2778 | priv->AdMaxRxSsThreshold = 30;//60->30 | |
2779 | priv->AdRxSsThreshold = 20;//50->20 | |
2780 | priv->AdCheckPeriod = priv->AdMinCheckPeriod; | |
2781 | priv->AdTickCount = 0; | |
2782 | priv->AdRxSignalStrength = -1; | |
2783 | priv->RegSwAntennaDiversityMechanism = 0; | |
2784 | priv->RegDefaultAntenna = 0; | |
2785 | priv->SignalStrength = 0; | |
2786 | priv->AdRxOkCnt = 0; | |
2787 | priv->CurrAntennaIndex = 0; | |
2788 | priv->AdRxSsBeforeSwitched = 0; | |
2789 | init_timer(&priv->SwAntennaDiversityTimer); | |
2790 | priv->SwAntennaDiversityTimer.data = (unsigned long)dev; | |
2791 | priv->SwAntennaDiversityTimer.function = (void *)SwAntennaDiversityTimerCallback; | |
2792 | //by amy for antenna | |
2793 | //{by amy 080312 | |
2794 | priv->bDigMechanism = 1; | |
2795 | priv->InitialGain = 6; | |
2796 | priv->bXtalCalibration = false; | |
2797 | priv->XtalCal_Xin = 0; | |
2798 | priv->XtalCal_Xout = 0; | |
2799 | priv->bTxPowerTrack = false; | |
2800 | priv->ThermalMeter = 0; | |
2801 | priv->FalseAlarmRegValue = 0; | |
2802 | priv->RegDigOfdmFaUpTh = 0xc; // Upper threhold of OFDM false alarm, which is used in DIG. | |
2803 | priv->DIG_NumberFallbackVote = 0; | |
2804 | priv->DIG_NumberUpgradeVote = 0; | |
2805 | priv->LastSignalStrengthInPercent = 0; | |
2806 | priv->Stats_SignalStrength = 0; | |
2807 | priv->LastRxPktAntenna = 0; | |
2808 | priv->SignalQuality = 0; // in 0-100 index. | |
2809 | priv->Stats_SignalQuality = 0; | |
2810 | priv->RecvSignalPower = 0; // in dBm. | |
2811 | priv->Stats_RecvSignalPower = 0; | |
2812 | priv->AdMainAntennaRxOkCnt = 0; | |
2813 | priv->AdAuxAntennaRxOkCnt = 0; | |
2814 | priv->bHWAdSwitched = false; | |
2815 | priv->bRegHighPowerMechanism = true; | |
2816 | priv->RegHiPwrUpperTh = 77; | |
2817 | priv->RegHiPwrLowerTh = 75; | |
2818 | priv->RegRSSIHiPwrUpperTh = 70; | |
2819 | priv->RegRSSIHiPwrLowerTh = 20; | |
2820 | priv->bCurCCKPkt = false; | |
2821 | priv->UndecoratedSmoothedSS = -1; | |
2822 | priv->bToUpdateTxPwr = false; | |
2823 | priv->CurCCKRSSI = 0; | |
2824 | priv->RxPower = 0; | |
2825 | priv->RSSI = 0; | |
c8d86be3 GKH |
2826 | priv->NumTxOkTotal = 0; |
2827 | priv->NumTxUnicast = 0; | |
2828 | priv->keepAliveLevel = DEFAULT_KEEP_ALIVE_LEVEL; | |
2829 | priv->PowerProfile = POWER_PROFILE_AC; | |
c8d86be3 GKH |
2830 | priv->CurrRetryCnt=0; |
2831 | priv->LastRetryCnt=0; | |
2832 | priv->LastTxokCnt=0; | |
2833 | priv->LastRxokCnt=0; | |
2834 | priv->LastRetryRate=0; | |
2835 | priv->bTryuping=0; | |
2836 | priv->CurrTxRate=0; | |
2837 | priv->CurrRetryRate=0; | |
2838 | priv->TryupingCount=0; | |
2839 | priv->TryupingCountNoData=0; | |
2840 | priv->TryDownCountLowData=0; | |
2841 | priv->LastTxOKBytes=0; | |
2842 | priv->LastFailTxRate=0; | |
2843 | priv->LastFailTxRateSS=0; | |
2844 | priv->FailTxRateCount=0; | |
2845 | priv->LastTxThroughput=0; | |
2846 | priv->NumTxOkBytesTotal=0; | |
2847 | priv->ForcedDataRate = 0; | |
2848 | priv->RegBModeGainStage = 1; | |
2849 | ||
c8d86be3 GKH |
2850 | priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0; |
2851 | spin_lock_init(&priv->irq_lock); | |
2852 | spin_lock_init(&priv->irq_th_lock); | |
2853 | spin_lock_init(&priv->tx_lock); | |
2854 | spin_lock_init(&priv->ps_lock); | |
2855 | spin_lock_init(&priv->rf_ps_lock); | |
2856 | sema_init(&priv->wx_sem,1); | |
2857 | sema_init(&priv->rf_state,1); | |
c8d86be3 GKH |
2858 | INIT_WORK(&priv->reset_wq,(void*) rtl8180_restart_wq); |
2859 | INIT_WORK(&priv->tx_irq_wq,(void*) rtl8180_tx_irq_wq); | |
2860 | INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq,(void*) rtl8180_hw_wakeup_wq); | |
2861 | INIT_DELAYED_WORK(&priv->ieee80211->hw_sleep_wq,(void*) rtl8180_hw_sleep_wq); | |
c8d86be3 GKH |
2862 | INIT_WORK(&priv->ieee80211->wmm_param_update_wq,(void*) rtl8180_wmm_param_update); |
2863 | INIT_DELAYED_WORK(&priv->ieee80211->rate_adapter_wq,(void*)rtl8180_rate_adapter);//+by amy 080312 | |
2864 | INIT_DELAYED_WORK(&priv->ieee80211->hw_dig_wq,(void*)rtl8180_hw_dig_wq);//+by amy 080312 | |
2865 | INIT_DELAYED_WORK(&priv->ieee80211->tx_pw_wq,(void*)rtl8180_tx_pw_wq);//+by amy 080312 | |
2866 | ||
c8d86be3 | 2867 | INIT_DELAYED_WORK(&priv->ieee80211->GPIOChangeRFWorkItem,(void*) GPIOChangeRFWorkItemCallBack); |
c8d86be3 GKH |
2868 | |
2869 | tasklet_init(&priv->irq_rx_tasklet, | |
2870 | (void(*)(unsigned long)) rtl8180_irq_rx_tasklet, | |
2871 | (unsigned long)priv); | |
fd882783 | 2872 | |
c8d86be3 GKH |
2873 | init_timer(&priv->watch_dog_timer); |
2874 | priv->watch_dog_timer.data = (unsigned long)dev; | |
2875 | priv->watch_dog_timer.function = watch_dog_adaptive; | |
c8d86be3 | 2876 | |
c8d86be3 GKH |
2877 | init_timer(&priv->rateadapter_timer); |
2878 | priv->rateadapter_timer.data = (unsigned long)dev; | |
2879 | priv->rateadapter_timer.function = timer_rate_adaptive; | |
2880 | priv->RateAdaptivePeriod= RATE_ADAPTIVE_TIMER_PERIOD; | |
2881 | priv->bEnhanceTxPwr=false; | |
c8d86be3 GKH |
2882 | |
2883 | priv->ieee80211->softmac_hard_start_xmit = rtl8180_hard_start_xmit; | |
2884 | priv->ieee80211->set_chan = rtl8180_set_chan; | |
2885 | priv->ieee80211->link_change = rtl8180_link_change; | |
2886 | priv->ieee80211->softmac_data_hard_start_xmit = rtl8180_hard_data_xmit; | |
2887 | priv->ieee80211->data_hard_stop = rtl8180_data_hard_stop; | |
2888 | priv->ieee80211->data_hard_resume = rtl8180_data_hard_resume; | |
2889 | ||
2890 | priv->ieee80211->init_wmmparam_flag = 0; | |
2891 | ||
2892 | priv->ieee80211->start_send_beacons = rtl8180_start_tx_beacon; | |
2893 | priv->ieee80211->stop_send_beacons = rtl8180_beacon_tx_disable; | |
2894 | priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD; | |
2895 | ||
c8d86be3 GKH |
2896 | priv->MWIEnable = 0; |
2897 | ||
2898 | priv->ShortRetryLimit = 7; | |
2899 | priv->LongRetryLimit = 7; | |
2900 | priv->EarlyRxThreshold = 7; | |
2901 | ||
2902 | priv->CSMethod = (0x01 << 29); | |
2903 | ||
2904 | priv->TransmitConfig = | |
2905 | 1<<TCR_DurProcMode_OFFSET | //for RTL8185B, duration setting by HW | |
2906 | (7<<TCR_MXDMA_OFFSET) | // Max DMA Burst Size per Tx DMA Burst, 7: reservied. | |
2907 | (priv->ShortRetryLimit<<TCR_SRL_OFFSET) | // Short retry limit | |
2908 | (priv->LongRetryLimit<<TCR_LRL_OFFSET) | // Long retry limit | |
2909 | (0 ? TCR_SAT : 0); // FALSE: HW provies PLCP length and LENGEXT, TURE: SW proiveds them | |
2910 | ||
2911 | priv->ReceiveConfig = | |
c8d86be3 GKH |
2912 | RCR_AMF | RCR_ADF | //accept management/data |
2913 | RCR_ACF | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko. | |
2914 | RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC | |
c8d86be3 GKH |
2915 | (7<<RCR_MXDMA_OFFSET) | // Max DMA Burst Size per Rx DMA Burst, 7: unlimited. |
2916 | (priv->EarlyRxThreshold<<RCR_FIFO_OFFSET) | // Rx FIFO Threshold, 7: No Rx threshold. | |
2917 | (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT:0); | |
2918 | ||
2919 | priv->IntrMask = IMR_TMGDOK | IMR_TBDER | IMR_THPDER | | |
2920 | IMR_THPDER | IMR_THPDOK | | |
2921 | IMR_TVODER | IMR_TVODOK | | |
2922 | IMR_TVIDER | IMR_TVIDOK | | |
2923 | IMR_TBEDER | IMR_TBEDOK | | |
2924 | IMR_TBKDER | IMR_TBKDOK | | |
2925 | IMR_RDU | // To handle the defragmentation not enough Rx descriptors case. Annie, 2006-03-27. | |
2926 | IMR_RER | IMR_ROK | | |
2927 | IMR_RQoSOK; // <NOTE> ROK and RQoSOK are mutually exclusive, so, we must handle RQoSOK interrupt to receive QoS frames, 2005.12.09, by rcnjko. | |
2928 | ||
2929 | priv->InitialGain = 6; | |
c8d86be3 GKH |
2930 | |
2931 | hw_version =( read_nic_dword(dev, TCR) & TCR_HWVERID_MASK)>>TCR_HWVERID_SHIFT; | |
2932 | ||
2933 | switch (hw_version){ | |
c8d86be3 | 2934 | case HW_VERID_R8185B_B: |
c8d86be3 GKH |
2935 | priv->card_8185 = VERSION_8187S_C; |
2936 | DMESG("MAC controller is a RTL8187SE b/g"); | |
2937 | priv->phy_ver = 2; | |
2938 | break; | |
c8d86be3 GKH |
2939 | case HW_VERID_R8185_ABC: |
2940 | DMESG("MAC controller is a RTL8185 b/g"); | |
2941 | priv->card_8185 = 1; | |
2942 | /* you should not find a card with 8225 PHY ver < C*/ | |
2943 | priv->phy_ver = 2; | |
2944 | break; | |
c8d86be3 GKH |
2945 | case HW_VERID_R8185_D: |
2946 | DMESG("MAC controller is a RTL8185 b/g (V. D)"); | |
2947 | priv->card_8185 = 2; | |
2948 | /* you should not find a card with 8225 PHY ver < C*/ | |
2949 | priv->phy_ver = 2; | |
2950 | break; | |
c8d86be3 GKH |
2951 | case HW_VERID_R8180_ABCD: |
2952 | DMESG("MAC controller is a RTL8180"); | |
2953 | priv->card_8185 = 0; | |
2954 | break; | |
c8d86be3 GKH |
2955 | case HW_VERID_R8180_F: |
2956 | DMESG("MAC controller is a RTL8180 (v. F)"); | |
2957 | priv->card_8185 = 0; | |
2958 | break; | |
c8d86be3 GKH |
2959 | default: |
2960 | DMESGW("MAC chip not recognized: version %x. Assuming RTL8180",hw_version); | |
2961 | priv->card_8185 = 0; | |
2962 | break; | |
2963 | } | |
2964 | ||
2965 | if(priv->card_8185){ | |
2966 | priv->ieee80211->modulation |= IEEE80211_OFDM_MODULATION; | |
2967 | priv->ieee80211->short_slot = 1; | |
2968 | } | |
2969 | /* you should not found any 8185 Ver B Card */ | |
2970 | priv->card_8185_Bversion = 0; | |
2971 | ||
c8d86be3 GKH |
2972 | // just for sync 85 |
2973 | priv->card_type = PCI; | |
2974 | DMESG("This is a PCI NIC"); | |
c8d86be3 GKH |
2975 | priv->enable_gpio0 = 0; |
2976 | ||
c8d86be3 GKH |
2977 | usValue = eprom_read(dev, EEPROM_SW_REVD_OFFSET); |
2978 | DMESG("usValue is 0x%x\n",usValue); | |
c8d86be3 | 2979 | //3Read AntennaDiversity |
fd882783 | 2980 | |
c8d86be3 | 2981 | // SW Antenna Diversity. |
fd882783 | 2982 | if ((usValue & EEPROM_SW_AD_MASK) != EEPROM_SW_AD_ENABLE) |
c8d86be3 | 2983 | priv->EEPROMSwAntennaDiversity = false; |
c8d86be3 | 2984 | else |
c8d86be3 | 2985 | priv->EEPROMSwAntennaDiversity = true; |
fd882783 | 2986 | |
c8d86be3 | 2987 | // Default Antenna to use. |
fd882783 | 2988 | if ((usValue & EEPROM_DEF_ANT_MASK) != EEPROM_DEF_ANT_1) |
c8d86be3 | 2989 | priv->EEPROMDefaultAntenna1 = false; |
c8d86be3 | 2990 | else |
c8d86be3 | 2991 | priv->EEPROMDefaultAntenna1 = true; |
c8d86be3 | 2992 | |
c8d86be3 | 2993 | if( priv->RegSwAntennaDiversityMechanism == 0 ) // Auto |
fd882783 | 2994 | /* 0: default from EEPROM. */ |
c8d86be3 | 2995 | priv->bSwAntennaDiverity = priv->EEPROMSwAntennaDiversity; |
c8d86be3 | 2996 | else |
fd882783 | 2997 | /* 1:disable antenna diversity, 2: enable antenna diversity. */ |
c8d86be3 | 2998 | priv->bSwAntennaDiverity = ((priv->RegSwAntennaDiversityMechanism == 1)? false : true); |
c8d86be3 | 2999 | |
fd882783 BZ |
3000 | if (priv->RegDefaultAntenna == 0) |
3001 | /* 0: default from EEPROM. */ | |
c8d86be3 | 3002 | priv->bDefaultAntenna1 = priv->EEPROMDefaultAntenna1; |
c8d86be3 | 3003 | else |
fd882783 | 3004 | /* 1: main, 2: aux. */ |
c8d86be3 | 3005 | priv->bDefaultAntenna1 = ((priv->RegDefaultAntenna== 2) ? true : false); |
fd882783 | 3006 | |
c8d86be3 GKH |
3007 | /* rtl8185 can calc plcp len in HW.*/ |
3008 | priv->hw_plcp_len = 1; | |
3009 | ||
3010 | priv->plcp_preamble_mode = 2; | |
3011 | /*the eeprom type is stored in RCR register bit #6 */ | |
fd882783 | 3012 | if (RCR_9356SEL & read_nic_dword(dev, RCR)) |
c8d86be3 | 3013 | priv->epromtype=EPROM_93c56; |
fd882783 | 3014 | else |
c8d86be3 | 3015 | priv->epromtype=EPROM_93c46; |
c8d86be3 | 3016 | |
c8d86be3 GKH |
3017 | dev->dev_addr[0]=eprom_read(dev,MAC_ADR) & 0xff; |
3018 | dev->dev_addr[1]=(eprom_read(dev,MAC_ADR) & 0xff00)>>8; | |
3019 | dev->dev_addr[2]=eprom_read(dev,MAC_ADR+1) & 0xff; | |
3020 | dev->dev_addr[3]=(eprom_read(dev,MAC_ADR+1) & 0xff00)>>8; | |
3021 | dev->dev_addr[4]=eprom_read(dev,MAC_ADR+2) & 0xff; | |
3022 | dev->dev_addr[5]=(eprom_read(dev,MAC_ADR+2) & 0xff00)>>8; | |
c8d86be3 GKH |
3023 | |
3024 | for(i=1,j=0; i<14; i+=2,j++){ | |
c8d86be3 GKH |
3025 | word = eprom_read(dev,EPROM_TXPW_CH1_2 + j); |
3026 | priv->chtxpwr[i]=word & 0xff; | |
3027 | priv->chtxpwr[i+1]=(word & 0xff00)>>8; | |
c8d86be3 GKH |
3028 | } |
3029 | if(priv->card_8185){ | |
3030 | for(i=1,j=0; i<14; i+=2,j++){ | |
c8d86be3 GKH |
3031 | word = eprom_read(dev,EPROM_TXPW_OFDM_CH1_2 + j); |
3032 | priv->chtxpwr_ofdm[i]=word & 0xff; | |
3033 | priv->chtxpwr_ofdm[i+1]=(word & 0xff00)>>8; | |
c8d86be3 GKH |
3034 | } |
3035 | } | |
fd882783 | 3036 | |
c8d86be3 GKH |
3037 | //3Read crystal calibtration and thermal meter indication on 87SE. |
3038 | ||
3039 | // By SD3 SY's request. Added by Roger, 2007.12.11. | |
3040 | ||
3041 | tmpu16 = eprom_read(dev, EEPROM_RSV>>1); | |
3042 | ||
c8d86be3 GKH |
3043 | // Crystal calibration for Xin and Xout resp. |
3044 | priv->XtalCal_Xout = tmpu16 & EEPROM_XTAL_CAL_XOUT_MASK; // 0~7.5pF | |
3045 | priv->XtalCal_Xin = (tmpu16 & EEPROM_XTAL_CAL_XIN_MASK)>>4; // 0~7.5pF | |
3046 | if((tmpu16 & EEPROM_XTAL_CAL_ENABLE)>>12) | |
3047 | priv->bXtalCalibration = true; | |
3048 | ||
3049 | // Thermal meter reference indication. | |
3050 | priv->ThermalMeter = (u8)((tmpu16 & EEPROM_THERMAL_METER_MASK)>>8); | |
3051 | if((tmpu16 & EEPROM_THERMAL_METER_ENABLE)>>13) | |
3052 | priv->bTxPowerTrack = true; | |
3053 | ||
c8d86be3 GKH |
3054 | word = eprom_read(dev,EPROM_TXPW_BASE); |
3055 | priv->cck_txpwr_base = word & 0xf; | |
3056 | priv->ofdm_txpwr_base = (word>>4) & 0xf; | |
c8d86be3 GKH |
3057 | |
3058 | version = eprom_read(dev,EPROM_VERSION); | |
3059 | DMESG("EEPROM version %x",version); | |
3060 | if( (!priv->card_8185) && version < 0x0101){ | |
3061 | DMESG ("EEPROM version too old, assuming defaults"); | |
3062 | DMESG ("If you see this message *plase* send your \ | |
3063 | DMESG output to andreamrl@tiscali.it THANKS"); | |
3064 | priv->digphy=1; | |
3065 | priv->antb=0; | |
3066 | priv->diversity=1; | |
3067 | priv->cs_treshold=0xc; | |
3068 | priv->rcr_csense=1; | |
3069 | priv->rf_chip=RFCHIPID_PHILIPS; | |
3070 | }else{ | |
3071 | if(!priv->card_8185){ | |
3072 | u8 rfparam = eprom_read(dev,RF_PARAM); | |
3073 | DMESG("RfParam: %x",rfparam); | |
3074 | ||
3075 | priv->digphy = rfparam & (1<<RF_PARAM_DIGPHY_SHIFT) ? 0:1; | |
3076 | priv->antb = rfparam & (1<<RF_PARAM_ANTBDEFAULT_SHIFT) ? 1:0; | |
3077 | ||
3078 | priv->rcr_csense = (rfparam & RF_PARAM_CARRIERSENSE_MASK) >> | |
3079 | RF_PARAM_CARRIERSENSE_SHIFT; | |
3080 | ||
3081 | priv->diversity = | |
3082 | (read_nic_byte(dev,CONFIG2)&(1<<CONFIG2_ANTENNA_SHIFT)) ? 1:0; | |
3083 | }else{ | |
3084 | priv->rcr_csense = 3; | |
3085 | } | |
3086 | ||
3087 | priv->cs_treshold = (eprom_read(dev,ENERGY_TRESHOLD)&0xff00) >>8; | |
3088 | ||
3089 | priv->rf_chip = 0xff & eprom_read(dev,RFCHIPID); | |
3090 | } | |
3091 | ||
c8d86be3 GKH |
3092 | priv->rf_chip = RF_ZEBRA4; |
3093 | priv->rf_sleep = rtl8225z4_rf_sleep; | |
3094 | priv->rf_wakeup = rtl8225z4_rf_wakeup; | |
c8d86be3 GKH |
3095 | DMESGW("**PLEASE** REPORT SUCCESSFUL/UNSUCCESSFUL TO Realtek!"); |
3096 | ||
3097 | priv->rf_close = rtl8225z2_rf_close; | |
3098 | priv->rf_init = rtl8225z2_rf_init; | |
3099 | priv->rf_set_chan = rtl8225z2_rf_set_chan; | |
3100 | priv->rf_set_sens = NULL; | |
c8d86be3 GKH |
3101 | |
3102 | if(!priv->card_8185){ | |
3103 | if(priv->antb) | |
3104 | DMESG ("Antenna B is default antenna"); | |
3105 | else | |
3106 | DMESG ("Antenna A is default antenna"); | |
3107 | ||
3108 | if(priv->diversity) | |
3109 | DMESG ("Antenna diversity is enabled"); | |
3110 | else | |
3111 | DMESG("Antenna diversity is disabled"); | |
3112 | ||
3113 | DMESG("Carrier sense %d",priv->rcr_csense); | |
3114 | } | |
3115 | ||
3116 | if (0!=alloc_rx_desc_ring(dev, priv->rxbuffersize, priv->rxringcount)) | |
3117 | return -ENOMEM; | |
3118 | ||
3119 | if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, | |
3120 | TX_MANAGEPRIORITY_RING_ADDR)) | |
3121 | return -ENOMEM; | |
3122 | ||
3123 | if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, | |
3124 | TX_BKPRIORITY_RING_ADDR)) | |
3125 | return -ENOMEM; | |
3126 | ||
3127 | if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, | |
3128 | TX_BEPRIORITY_RING_ADDR)) | |
3129 | return -ENOMEM; | |
3130 | ||
3131 | if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, | |
3132 | TX_VIPRIORITY_RING_ADDR)) | |
3133 | return -ENOMEM; | |
3134 | ||
3135 | if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, | |
3136 | TX_VOPRIORITY_RING_ADDR)) | |
3137 | return -ENOMEM; | |
3138 | ||
3139 | if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, | |
3140 | TX_HIGHPRIORITY_RING_ADDR)) | |
3141 | return -ENOMEM; | |
3142 | ||
3143 | if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txbeaconcount, | |
3144 | TX_BEACON_RING_ADDR)) | |
3145 | return -ENOMEM; | |
3146 | ||
c8d86be3 | 3147 | if(!priv->card_8185){ |
c8d86be3 GKH |
3148 | if(read_nic_byte(dev, CONFIG0) & (1<<CONFIG0_WEP40_SHIFT)) |
3149 | DMESG ("40-bit WEP is supported in hardware"); | |
3150 | else | |
3151 | DMESG ("40-bit WEP is NOT supported in hardware"); | |
3152 | ||
3153 | if(read_nic_byte(dev,CONFIG0) & (1<<CONFIG0_WEP104_SHIFT)) | |
3154 | DMESG ("104-bit WEP is supported in hardware"); | |
3155 | else | |
3156 | DMESG ("104-bit WEP is NOT supported in hardware"); | |
3157 | } | |
3158 | #if !defined(SA_SHIRQ) | |
3159 | if(request_irq(dev->irq, (void *)rtl8180_interrupt, IRQF_SHARED, dev->name, dev)){ | |
3160 | #else | |
3161 | if(request_irq(dev->irq, (void *)rtl8180_interrupt, SA_SHIRQ, dev->name, dev)){ | |
3162 | #endif | |
3163 | DMESGE("Error allocating IRQ %d",dev->irq); | |
3164 | return -1; | |
3165 | }else{ | |
3166 | priv->irq=dev->irq; | |
3167 | DMESG("IRQ %d",dev->irq); | |
3168 | } | |
3169 | ||
c8d86be3 | 3170 | return 0; |
c8d86be3 GKH |
3171 | } |
3172 | ||
c8d86be3 GKH |
3173 | void rtl8180_no_hw_wep(struct net_device *dev) |
3174 | { | |
3175 | struct r8180_priv *priv = ieee80211_priv(dev); | |
3176 | ||
fd882783 | 3177 | if (!priv->card_8185) { |
c8d86be3 GKH |
3178 | u8 security; |
3179 | ||
3180 | security = read_nic_byte(dev, SECURITY); | |
3181 | security &=~(1<<SECURITY_WEP_TX_ENABLE_SHIFT); | |
3182 | security &=~(1<<SECURITY_WEP_RX_ENABLE_SHIFT); | |
3183 | ||
3184 | write_nic_byte(dev, SECURITY, security); | |
c8d86be3 | 3185 | } |
c8d86be3 GKH |
3186 | } |
3187 | ||
c8d86be3 GKH |
3188 | void rtl8180_set_hw_wep(struct net_device *dev) |
3189 | { | |
3190 | struct r8180_priv *priv = ieee80211_priv(dev); | |
3191 | u8 pgreg; | |
3192 | u8 security; | |
3193 | u32 key0_word4; | |
3194 | ||
3195 | pgreg=read_nic_byte(dev, PGSELECT); | |
3196 | write_nic_byte(dev, PGSELECT, pgreg &~ (1<<PGSELECT_PG_SHIFT)); | |
3197 | ||
3198 | key0_word4 = read_nic_dword(dev, KEY0+4+4+4); | |
3199 | key0_word4 &= ~ 0xff; | |
3200 | key0_word4 |= priv->key0[3]& 0xff; | |
3201 | write_nic_dword(dev,KEY0,(priv->key0[0])); | |
3202 | write_nic_dword(dev,KEY0+4,(priv->key0[1])); | |
3203 | write_nic_dword(dev,KEY0+4+4,(priv->key0[2])); | |
3204 | write_nic_dword(dev,KEY0+4+4+4,(key0_word4)); | |
3205 | ||
c8d86be3 GKH |
3206 | security = read_nic_byte(dev,SECURITY); |
3207 | security |= (1<<SECURITY_WEP_TX_ENABLE_SHIFT); | |
3208 | security |= (1<<SECURITY_WEP_RX_ENABLE_SHIFT); | |
3209 | security &= ~ SECURITY_ENCRYP_MASK; | |
3210 | security |= (SECURITY_ENCRYP_104<<SECURITY_ENCRYP_SHIFT); | |
3211 | ||
3212 | write_nic_byte(dev, SECURITY, security); | |
3213 | ||
3214 | DMESG("key %x %x %x %x",read_nic_dword(dev,KEY0+4+4+4), | |
3215 | read_nic_dword(dev,KEY0+4+4),read_nic_dword(dev,KEY0+4), | |
3216 | read_nic_dword(dev,KEY0)); | |
c8d86be3 GKH |
3217 | } |
3218 | ||
3219 | ||
3220 | void rtl8185_rf_pins_enable(struct net_device *dev) | |
3221 | { | |
3222 | // u16 tmp; | |
3223 | // tmp = read_nic_word(dev, RFPinsEnable); | |
3224 | write_nic_word(dev, RFPinsEnable, 0x1fff);// | tmp); | |
c8d86be3 GKH |
3225 | } |
3226 | ||
c8d86be3 GKH |
3227 | void rtl8185_set_anaparam2(struct net_device *dev, u32 a) |
3228 | { | |
3229 | u8 conf3; | |
3230 | ||
3231 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); | |
3232 | ||
3233 | conf3 = read_nic_byte(dev, CONFIG3); | |
3234 | write_nic_byte(dev, CONFIG3, conf3 | (1<<CONFIG3_ANAPARAM_W_SHIFT)); | |
3235 | write_nic_dword(dev, ANAPARAM2, a); | |
3236 | ||
3237 | conf3 = read_nic_byte(dev, CONFIG3); | |
3238 | write_nic_byte(dev, CONFIG3, conf3 &~(1<<CONFIG3_ANAPARAM_W_SHIFT)); | |
3239 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); | |
c8d86be3 GKH |
3240 | } |
3241 | ||
c8d86be3 GKH |
3242 | void rtl8180_set_anaparam(struct net_device *dev, u32 a) |
3243 | { | |
3244 | u8 conf3; | |
3245 | ||
3246 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); | |
3247 | ||
3248 | conf3 = read_nic_byte(dev, CONFIG3); | |
3249 | write_nic_byte(dev, CONFIG3, conf3 | (1<<CONFIG3_ANAPARAM_W_SHIFT)); | |
3250 | write_nic_dword(dev, ANAPARAM, a); | |
3251 | ||
3252 | conf3 = read_nic_byte(dev, CONFIG3); | |
3253 | write_nic_byte(dev, CONFIG3, conf3 &~(1<<CONFIG3_ANAPARAM_W_SHIFT)); | |
3254 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); | |
3255 | } | |
3256 | ||
c8d86be3 GKH |
3257 | void rtl8185_tx_antenna(struct net_device *dev, u8 ant) |
3258 | { | |
3259 | write_nic_byte(dev, TX_ANTENNA, ant); | |
3260 | force_pci_posting(dev); | |
3261 | mdelay(1); | |
3262 | } | |
3263 | ||
c8d86be3 GKH |
3264 | void rtl8185_write_phy(struct net_device *dev, u8 adr, u32 data) |
3265 | { | |
c8d86be3 | 3266 | u32 phyw; |
c8d86be3 GKH |
3267 | |
3268 | adr |= 0x80; | |
3269 | ||
3270 | phyw= ((data<<8) | adr); | |
c8d86be3 | 3271 | |
c8d86be3 GKH |
3272 | // Note that, we must write 0xff7c after 0x7d-0x7f to write BB register. |
3273 | write_nic_byte(dev, 0x7f, ((phyw & 0xff000000) >> 24)); | |
3274 | write_nic_byte(dev, 0x7e, ((phyw & 0x00ff0000) >> 16)); | |
3275 | write_nic_byte(dev, 0x7d, ((phyw & 0x0000ff00) >> 8)); | |
3276 | write_nic_byte(dev, 0x7c, ((phyw & 0x000000ff) )); | |
5521a513 | 3277 | |
c8d86be3 GKH |
3278 | /* this is ok to fail when we write AGC table. check for AGC table might be |
3279 | * done by masking with 0x7f instead of 0xff | |
3280 | */ | |
3281 | //if(phyr != (data&0xff)) DMESGW("Phy write timeout %x %x %x", phyr, data,adr); | |
3282 | } | |
3283 | ||
c8d86be3 GKH |
3284 | inline void write_phy_ofdm (struct net_device *dev, u8 adr, u32 data) |
3285 | { | |
3286 | data = data & 0xff; | |
3287 | rtl8185_write_phy(dev, adr, data); | |
3288 | } | |
3289 | ||
c8d86be3 GKH |
3290 | void write_phy_cck (struct net_device *dev, u8 adr, u32 data) |
3291 | { | |
3292 | data = data & 0xff; | |
3293 | rtl8185_write_phy(dev, adr, data | 0x10000); | |
3294 | } | |
3295 | ||
c8d86be3 GKH |
3296 | /* 70*3 = 210 ms |
3297 | * I hope this is enougth | |
3298 | */ | |
3299 | #define MAX_PHY 70 | |
3300 | void write_phy(struct net_device *dev, u8 adr, u8 data) | |
3301 | { | |
3302 | u32 phy; | |
3303 | int i; | |
3304 | ||
3305 | phy = 0xff0000; | |
3306 | phy |= adr; | |
3307 | phy |= 0x80; /* this should enable writing */ | |
3308 | phy |= (data<<8); | |
3309 | ||
3310 | //PHY_ADR, PHY_R and PHY_W are contig and treated as one dword | |
3311 | write_nic_dword(dev,PHY_ADR, phy); | |
3312 | ||
3313 | phy= 0xffff00; | |
3314 | phy |= adr; | |
3315 | ||
3316 | write_nic_dword(dev,PHY_ADR, phy); | |
3317 | for(i=0;i<MAX_PHY;i++){ | |
3318 | phy=read_nic_dword(dev,PHY_ADR); | |
3319 | phy= phy & 0xff0000; | |
3320 | phy= phy >> 16; | |
3321 | if(phy == data){ //SUCCESS! | |
3322 | force_pci_posting(dev); | |
3323 | mdelay(3); //random value | |
c8d86be3 GKH |
3324 | return; |
3325 | }else{ | |
3326 | force_pci_posting(dev); | |
3327 | mdelay(3); //random value | |
3328 | } | |
3329 | } | |
3330 | DMESGW ("Phy writing %x %x failed!", adr,data); | |
3331 | } | |
3332 | ||
3333 | void rtl8185_set_rate(struct net_device *dev) | |
3334 | { | |
3335 | int i; | |
3336 | u16 word; | |
3337 | int basic_rate,min_rr_rate,max_rr_rate; | |
3338 | ||
c8d86be3 GKH |
3339 | basic_rate = ieeerate2rtlrate(240); |
3340 | min_rr_rate = ieeerate2rtlrate(60); | |
3341 | max_rr_rate = ieeerate2rtlrate(240); | |
3342 | ||
c8d86be3 GKH |
3343 | write_nic_byte(dev, RESP_RATE, |
3344 | max_rr_rate<<MAX_RESP_RATE_SHIFT| min_rr_rate<<MIN_RESP_RATE_SHIFT); | |
3345 | ||
3346 | word = read_nic_word(dev, BRSR); | |
3347 | word &= ~BRSR_MBR_8185; | |
3348 | ||
c8d86be3 GKH |
3349 | for(i=0;i<=basic_rate;i++) |
3350 | word |= (1<<i); | |
3351 | ||
3352 | write_nic_word(dev, BRSR, word); | |
c8d86be3 GKH |
3353 | } |
3354 | ||
c8d86be3 GKH |
3355 | void rtl8180_adapter_start(struct net_device *dev) |
3356 | { | |
3357 | struct r8180_priv *priv = ieee80211_priv(dev); | |
3358 | u32 anaparam; | |
3359 | u16 word; | |
3360 | u8 config3; | |
c8d86be3 GKH |
3361 | |
3362 | rtl8180_rtx_disable(dev); | |
3363 | rtl8180_reset(dev); | |
3364 | ||
c8d86be3 GKH |
3365 | /* enable beacon timeout, beacon TX ok and err |
3366 | * LP tx ok and err, HP TX ok and err, NP TX ok and err, | |
3367 | * RX ok and ERR, and GP timer */ | |
3368 | priv->irq_mask = 0x6fcf; | |
3369 | ||
3370 | priv->dma_poll_mask = 0; | |
3371 | ||
3372 | rtl8180_beacon_tx_disable(dev); | |
3373 | ||
3374 | if(priv->card_type == CARDBUS ){ | |
3375 | config3=read_nic_byte(dev, CONFIG3); | |
3376 | write_nic_byte(dev,CONFIG3,config3 | CONFIG3_FuncRegEn); | |
3377 | write_nic_word(dev,FEMR, FEMR_INTR | FEMR_WKUP | FEMR_GWAKE | | |
3378 | read_nic_word(dev, FEMR)); | |
3379 | } | |
3380 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); | |
3381 | write_nic_dword(dev, MAC0, ((u32*)dev->dev_addr)[0]); | |
3382 | write_nic_word(dev, MAC4, ((u32*)dev->dev_addr)[1] & 0xffff ); | |
3383 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); | |
3384 | ||
3385 | rtl8180_update_msr(dev); | |
3386 | ||
3387 | if(!priv->card_8185){ | |
3388 | anaparam = eprom_read(dev,EPROM_ANAPARAM_ADDRLWORD); | |
3389 | anaparam |= eprom_read(dev,EPROM_ANAPARAM_ADDRHWORD)<<16; | |
3390 | ||
3391 | rtl8180_set_anaparam(dev,anaparam); | |
3392 | } | |
3393 | /* These might be unnecessary since we do in rx_enable / tx_enable */ | |
3394 | fix_rx_fifo(dev); | |
3395 | fix_tx_fifo(dev); | |
c8d86be3 GKH |
3396 | |
3397 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); | |
3398 | ||
3399 | /* | |
3400 | The following is very strange. seems to be that 1 means test mode, | |
3401 | but we need to acknolwledges the nic when a packet is ready | |
3402 | altought we set it to 0 | |
3403 | */ | |
3404 | ||
3405 | write_nic_byte(dev, | |
3406 | CONFIG2, read_nic_byte(dev,CONFIG2) &~\ | |
3407 | (1<<CONFIG2_DMA_POLLING_MODE_SHIFT)); | |
3408 | //^the nic isn't in test mode | |
3409 | if(priv->card_8185) | |
3410 | write_nic_byte(dev, | |
3411 | CONFIG2, read_nic_byte(dev,CONFIG2)|(1<<4)); | |
3412 | ||
3413 | rtl8180_set_mode(dev,EPROM_CMD_NORMAL); | |
3414 | ||
3415 | write_nic_dword(dev,INT_TIMEOUT,0); | |
c8d86be3 GKH |
3416 | |
3417 | if(!priv->card_8185) | |
3418 | { | |
3419 | /* | |
3420 | experimental - this might be needed to calibrate AGC, | |
3421 | anyway it shouldn't hurt | |
3422 | */ | |
3423 | write_nic_byte(dev, CONFIG5, | |
3424 | read_nic_byte(dev, CONFIG5) | (1<<AGCRESET_SHIFT)); | |
3425 | read_nic_byte(dev, CONFIG5); | |
3426 | udelay(15); | |
3427 | write_nic_byte(dev, CONFIG5, | |
3428 | read_nic_byte(dev, CONFIG5) &~ (1<<AGCRESET_SHIFT)); | |
3429 | }else{ | |
c8d86be3 GKH |
3430 | write_nic_byte(dev, WPA_CONFIG, 0); |
3431 | //write_nic_byte(dev, TESTR, 0xd); | |
3432 | } | |
3433 | ||
3434 | rtl8180_no_hw_wep(dev); | |
3435 | ||
3436 | if(priv->card_8185){ | |
3437 | rtl8185_set_rate(dev); | |
3438 | write_nic_byte(dev, RATE_FALLBACK, 0x81); | |
c8d86be3 GKH |
3439 | }else{ |
3440 | word = read_nic_word(dev, BRSR); | |
3441 | word &= ~BRSR_MBR; | |
3442 | word &= ~BRSR_BPLCP; | |
3443 | word |= ieeerate2rtlrate(priv->ieee80211->basic_rate); | |
fd882783 | 3444 | word |= 0x0f; |
c8d86be3 GKH |
3445 | write_nic_word(dev, BRSR, word); |
3446 | } | |
3447 | ||
c8d86be3 GKH |
3448 | if(priv->card_8185){ |
3449 | write_nic_byte(dev, GP_ENABLE,read_nic_byte(dev, GP_ENABLE) & ~(1<<6)); | |
3450 | ||
3451 | //FIXME cfg 3 ClkRun enable - isn't it ReadOnly ? | |
3452 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); | |
3453 | write_nic_byte(dev,CONFIG3, read_nic_byte(dev, CONFIG3) | |
fd882783 | 3454 | | (1 << CONFIG3_CLKRUN_SHIFT)); |
c8d86be3 | 3455 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); |
c8d86be3 GKH |
3456 | } |
3457 | ||
3458 | priv->rf_init(dev); | |
3459 | ||
3460 | if(priv->rf_set_sens != NULL) | |
3461 | priv->rf_set_sens(dev,priv->sens); | |
3462 | rtl8180_irq_enable(dev); | |
3463 | ||
3464 | netif_start_queue(dev); | |
c8d86be3 GKH |
3465 | } |
3466 | ||
c8d86be3 GKH |
3467 | /* this configures registers for beacon tx and enables it via |
3468 | * rtl8180_beacon_tx_enable(). rtl8180_beacon_tx_disable() might | |
3469 | * be used to stop beacon transmission | |
3470 | */ | |
3471 | void rtl8180_start_tx_beacon(struct net_device *dev) | |
3472 | { | |
c8d86be3 | 3473 | u16 word; |
c8d86be3 GKH |
3474 | |
3475 | DMESG("Enabling beacon TX"); | |
c8d86be3 GKH |
3476 | rtl8180_prepare_beacon(dev); |
3477 | rtl8180_irq_disable(dev); | |
3478 | rtl8180_beacon_tx_enable(dev); | |
c8d86be3 | 3479 | |
c8d86be3 GKH |
3480 | word = read_nic_word(dev, AtimWnd) &~ AtimWnd_AtimWnd; |
3481 | write_nic_word(dev, AtimWnd,word);// word |= | |
c8d86be3 GKH |
3482 | |
3483 | word = read_nic_word(dev, BintrItv); | |
3484 | word &= ~BintrItv_BintrItv; | |
3485 | word |= 1000;/*priv->ieee80211->current_network.beacon_interval * | |
3486 | ((priv->txbeaconcount > 1)?(priv->txbeaconcount-1):1); | |
3487 | // FIXME: check if correct ^^ worked with 0x3e8; | |
3488 | */ | |
3489 | write_nic_word(dev, BintrItv, word); | |
3490 | ||
c8d86be3 GKH |
3491 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); |
3492 | ||
c8d86be3 | 3493 | rtl8185b_irq_enable(dev); |
c8d86be3 GKH |
3494 | } |
3495 | ||
c8d86be3 GKH |
3496 | static struct net_device_stats *rtl8180_stats(struct net_device *dev) |
3497 | { | |
3498 | struct r8180_priv *priv = ieee80211_priv(dev); | |
3499 | ||
3500 | return &priv->ieee80211->stats; | |
3501 | } | |
3502 | // | |
3503 | // Change current and default preamble mode. | |
3504 | // 2005.01.06, by rcnjko. | |
3505 | // | |
3506 | bool | |
3507 | MgntActSet_802_11_PowerSaveMode( | |
3508 | struct r8180_priv *priv, | |
3509 | RT_PS_MODE rtPsMode | |
3510 | ) | |
3511 | { | |
c8d86be3 GKH |
3512 | // Currently, we do not change power save mode on IBSS mode. |
3513 | if(priv->ieee80211->iw_mode == IW_MODE_ADHOC) | |
c8d86be3 | 3514 | return false; |
c8d86be3 | 3515 | |
c8d86be3 | 3516 | priv->ieee80211->ps = rtPsMode; |
5521a513 | 3517 | |
c8d86be3 GKH |
3518 | return true; |
3519 | } | |
3520 | ||
fd882783 | 3521 | void LeisurePSEnter(struct r8180_priv *priv) |
c8d86be3 | 3522 | { |
fd882783 | 3523 | if (priv->bLeisurePs) { |
c8d86be3 | 3524 | if (priv->ieee80211->ps == IEEE80211_PS_DISABLED) |
c8d86be3 | 3525 | MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);//IEEE80211_PS_ENABLE |
c8d86be3 GKH |
3526 | } |
3527 | } | |
3528 | ||
fd882783 | 3529 | void LeisurePSLeave(struct r8180_priv *priv) |
c8d86be3 | 3530 | { |
fd882783 | 3531 | if (priv->bLeisurePs) { |
c8d86be3 | 3532 | if (priv->ieee80211->ps != IEEE80211_PS_DISABLED) |
c8d86be3 | 3533 | MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_DISABLED); |
c8d86be3 GKH |
3534 | } |
3535 | } | |
0370453f | 3536 | |
c8d86be3 GKH |
3537 | void rtl8180_hw_wakeup_wq (struct work_struct *work) |
3538 | { | |
bf6aede7 | 3539 | struct delayed_work *dwork = to_delayed_work(work); |
c8d86be3 GKH |
3540 | struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq); |
3541 | struct net_device *dev = ieee->dev; | |
c8d86be3 | 3542 | |
c8d86be3 | 3543 | rtl8180_hw_wakeup(dev); |
c8d86be3 GKH |
3544 | } |
3545 | ||
c8d86be3 GKH |
3546 | void rtl8180_hw_sleep_wq (struct work_struct *work) |
3547 | { | |
bf6aede7 | 3548 | struct delayed_work *dwork = to_delayed_work(work); |
c8d86be3 GKH |
3549 | struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq); |
3550 | struct net_device *dev = ieee->dev; | |
c8d86be3 GKH |
3551 | |
3552 | rtl8180_hw_sleep_down(dev); | |
3553 | } | |
3554 | ||
c8d86be3 GKH |
3555 | static void MgntLinkKeepAlive(struct r8180_priv *priv ) |
3556 | { | |
3557 | if (priv->keepAliveLevel == 0) | |
3558 | return; | |
3559 | ||
3560 | if(priv->ieee80211->state == IEEE80211_LINKED) | |
3561 | { | |
3562 | // | |
3563 | // Keep-Alive. | |
3564 | // | |
c8d86be3 GKH |
3565 | |
3566 | if ( (priv->keepAliveLevel== 2) || | |
3567 | (priv->link_detect.LastNumTxUnicast == priv->NumTxUnicast && | |
3568 | priv->link_detect.LastNumRxUnicast == priv->ieee80211->NumRxUnicast ) | |
3569 | ) | |
3570 | { | |
3571 | priv->link_detect.IdleCount++; | |
3572 | ||
3573 | // | |
3574 | // Send a Keep-Alive packet packet to AP if we had been idle for a while. | |
3575 | // | |
3576 | if(priv->link_detect.IdleCount >= ((KEEP_ALIVE_INTERVAL / CHECK_FOR_HANG_PERIOD)-1) ) | |
3577 | { | |
3578 | priv->link_detect.IdleCount = 0; | |
3579 | ieee80211_sta_ps_send_null_frame(priv->ieee80211, false); | |
3580 | } | |
3581 | } | |
3582 | else | |
3583 | { | |
3584 | priv->link_detect.IdleCount = 0; | |
3585 | } | |
3586 | priv->link_detect.LastNumTxUnicast = priv->NumTxUnicast; | |
3587 | priv->link_detect.LastNumRxUnicast = priv->ieee80211->NumRxUnicast; | |
3588 | } | |
3589 | } | |
c8d86be3 GKH |
3590 | |
3591 | static u8 read_acadapter_file(char *filename); | |
fd882783 | 3592 | |
c8d86be3 GKH |
3593 | void rtl8180_watch_dog(struct net_device *dev) |
3594 | { | |
3595 | struct r8180_priv *priv = ieee80211_priv(dev); | |
3596 | bool bEnterPS = false; | |
3597 | bool bBusyTraffic = false; | |
3598 | u32 TotalRxNum = 0; | |
3599 | u16 SlotIndex = 0; | |
3600 | u16 i = 0; | |
c8d86be3 GKH |
3601 | if(priv->ieee80211->actscanning == false){ |
3602 | if((priv->ieee80211->iw_mode != IW_MODE_ADHOC) && (priv->ieee80211->state == IEEE80211_NOLINK) && (priv->ieee80211->beinretry == false) && (priv->eRFPowerState == eRfOn)){ | |
3603 | IPSEnter(dev); | |
3604 | } | |
3605 | } | |
c8d86be3 GKH |
3606 | //YJ,add,080828,for link state check |
3607 | if((priv->ieee80211->state == IEEE80211_LINKED) && (priv->ieee80211->iw_mode == IW_MODE_INFRA)){ | |
3608 | SlotIndex = (priv->link_detect.SlotIndex++) % priv->link_detect.SlotNum; | |
3609 | priv->link_detect.RxFrameNum[SlotIndex] = priv->ieee80211->NumRxDataInPeriod + priv->ieee80211->NumRxBcnInPeriod; | |
3610 | for( i=0; i<priv->link_detect.SlotNum; i++ ) | |
3611 | TotalRxNum+= priv->link_detect.RxFrameNum[i]; | |
fd882783 | 3612 | |
c8d86be3 GKH |
3613 | if(TotalRxNum == 0){ |
3614 | priv->ieee80211->state = IEEE80211_ASSOCIATING; | |
3615 | queue_work(priv->ieee80211->wq, &priv->ieee80211->associate_procedure_wq); | |
3616 | } | |
3617 | } | |
3618 | ||
3619 | //YJ,add,080828,for KeepAlive | |
3620 | MgntLinkKeepAlive(priv); | |
3621 | ||
3622 | //YJ,add,080828,for LPS | |
3623 | #ifdef ENABLE_LPS | |
fd882783 | 3624 | if (priv->PowerProfile == POWER_PROFILE_BATTERY) |
c8d86be3 | 3625 | priv->bLeisurePs = true; |
fd882783 | 3626 | else if (priv->PowerProfile == POWER_PROFILE_AC) { |
c8d86be3 GKH |
3627 | LeisurePSLeave(priv); |
3628 | priv->bLeisurePs= false; | |
3629 | } | |
c8d86be3 | 3630 | |
c8d86be3 GKH |
3631 | if(priv->ieee80211->state == IEEE80211_LINKED){ |
3632 | priv->link_detect.NumRxOkInPeriod = priv->ieee80211->NumRxDataInPeriod; | |
3633 | //printk("TxOk=%d RxOk=%d\n", priv->link_detect.NumTxOkInPeriod, priv->link_detect.NumRxOkInPeriod); | |
3634 | if( priv->link_detect.NumRxOkInPeriod> 666 || | |
3635 | priv->link_detect.NumTxOkInPeriod> 666 ) { | |
3636 | bBusyTraffic = true; | |
3637 | } | |
3638 | if(((priv->link_detect.NumRxOkInPeriod + priv->link_detect.NumTxOkInPeriod) > 8) | |
3639 | || (priv->link_detect.NumRxOkInPeriod > 2)) { | |
3640 | bEnterPS= false; | |
fd882783 | 3641 | } else |
c8d86be3 | 3642 | bEnterPS= true; |
c8d86be3 | 3643 | |
fd882783 | 3644 | if (bEnterPS) |
c8d86be3 | 3645 | LeisurePSEnter(priv); |
fd882783 | 3646 | else |
c8d86be3 | 3647 | LeisurePSLeave(priv); |
fd882783 | 3648 | } else |
c8d86be3 | 3649 | LeisurePSLeave(priv); |
c8d86be3 GKH |
3650 | #endif |
3651 | priv->link_detect.bBusyTraffic = bBusyTraffic; | |
3652 | priv->link_detect.NumRxOkInPeriod = 0; | |
3653 | priv->link_detect.NumTxOkInPeriod = 0; | |
3654 | priv->ieee80211->NumRxDataInPeriod = 0; | |
3655 | priv->ieee80211->NumRxBcnInPeriod = 0; | |
c8d86be3 | 3656 | } |
fd882783 | 3657 | |
c8d86be3 GKH |
3658 | int _rtl8180_up(struct net_device *dev) |
3659 | { | |
3660 | struct r8180_priv *priv = ieee80211_priv(dev); | |
c8d86be3 GKH |
3661 | |
3662 | priv->up=1; | |
3663 | ||
3664 | DMESG("Bringing up iface"); | |
c8d86be3 GKH |
3665 | rtl8185b_adapter_start(dev); |
3666 | rtl8185b_rx_enable(dev); | |
3667 | rtl8185b_tx_enable(dev); | |
c8d86be3 GKH |
3668 | if(priv->bInactivePs){ |
3669 | if(priv->ieee80211->iw_mode == IW_MODE_ADHOC) | |
3670 | IPSLeave(dev); | |
3671 | } | |
c8d86be3 GKH |
3672 | #ifdef RATE_ADAPT |
3673 | timer_rate_adaptive((unsigned long)dev); | |
3674 | #endif | |
c8d86be3 GKH |
3675 | watch_dog_adaptive((unsigned long)dev); |
3676 | #ifdef SW_ANTE | |
3677 | if(priv->bSwAntennaDiverity) | |
3678 | SwAntennaDiversityTimerCallback(dev); | |
3679 | #endif | |
c8d86be3 GKH |
3680 | ieee80211_softmac_start_protocol(priv->ieee80211); |
3681 | ||
c8d86be3 GKH |
3682 | return 0; |
3683 | } | |
3684 | ||
c8d86be3 GKH |
3685 | int rtl8180_open(struct net_device *dev) |
3686 | { | |
3687 | struct r8180_priv *priv = ieee80211_priv(dev); | |
3688 | int ret; | |
3689 | ||
3690 | down(&priv->wx_sem); | |
3691 | ret = rtl8180_up(dev); | |
3692 | up(&priv->wx_sem); | |
3693 | return ret; | |
c8d86be3 GKH |
3694 | } |
3695 | ||
c8d86be3 GKH |
3696 | int rtl8180_up(struct net_device *dev) |
3697 | { | |
3698 | struct r8180_priv *priv = ieee80211_priv(dev); | |
3699 | ||
3700 | if (priv->up == 1) return -1; | |
3701 | ||
3702 | return _rtl8180_up(dev); | |
3703 | } | |
3704 | ||
c8d86be3 GKH |
3705 | int rtl8180_close(struct net_device *dev) |
3706 | { | |
3707 | struct r8180_priv *priv = ieee80211_priv(dev); | |
3708 | int ret; | |
3709 | ||
3710 | down(&priv->wx_sem); | |
3711 | ret = rtl8180_down(dev); | |
3712 | up(&priv->wx_sem); | |
3713 | ||
3714 | return ret; | |
c8d86be3 GKH |
3715 | } |
3716 | ||
3717 | int rtl8180_down(struct net_device *dev) | |
3718 | { | |
3719 | struct r8180_priv *priv = ieee80211_priv(dev); | |
3720 | ||
fd882783 BZ |
3721 | if (priv->up == 0) |
3722 | return -1; | |
c8d86be3 GKH |
3723 | |
3724 | priv->up=0; | |
3725 | ||
3726 | ieee80211_softmac_stop_protocol(priv->ieee80211); | |
3727 | /* FIXME */ | |
3728 | if (!netif_queue_stopped(dev)) | |
3729 | netif_stop_queue(dev); | |
3730 | rtl8180_rtx_disable(dev); | |
3731 | rtl8180_irq_disable(dev); | |
3732 | del_timer_sync(&priv->watch_dog_timer); | |
fd882783 BZ |
3733 | del_timer_sync(&priv->rateadapter_timer); |
3734 | cancel_delayed_work(&priv->ieee80211->rate_adapter_wq); | |
c8d86be3 GKH |
3735 | cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq); |
3736 | cancel_delayed_work(&priv->ieee80211->hw_sleep_wq); | |
3737 | cancel_delayed_work(&priv->ieee80211->hw_dig_wq); | |
3738 | cancel_delayed_work(&priv->ieee80211->tx_pw_wq); | |
3739 | del_timer_sync(&priv->SwAntennaDiversityTimer); | |
3740 | SetZebraRFPowerState8185(dev,eRfOff); | |
c8d86be3 GKH |
3741 | memset(&(priv->ieee80211->current_network),0,sizeof(struct ieee80211_network)); |
3742 | priv->ieee80211->state = IEEE80211_NOLINK; | |
3743 | return 0; | |
3744 | } | |
3745 | ||
c8d86be3 GKH |
3746 | void rtl8180_restart_wq(struct work_struct *work) |
3747 | { | |
3748 | struct r8180_priv *priv = container_of(work, struct r8180_priv, reset_wq); | |
3749 | struct net_device *dev = priv->dev; | |
0370453f | 3750 | |
c8d86be3 GKH |
3751 | down(&priv->wx_sem); |
3752 | ||
3753 | rtl8180_commit(dev); | |
3754 | ||
3755 | up(&priv->wx_sem); | |
3756 | } | |
3757 | ||
3758 | void rtl8180_restart(struct net_device *dev) | |
3759 | { | |
3760 | struct r8180_priv *priv = ieee80211_priv(dev); | |
fd882783 | 3761 | |
c8d86be3 | 3762 | schedule_work(&priv->reset_wq); |
c8d86be3 GKH |
3763 | } |
3764 | ||
c8d86be3 GKH |
3765 | void rtl8180_commit(struct net_device *dev) |
3766 | { | |
3767 | struct r8180_priv *priv = ieee80211_priv(dev); | |
3768 | ||
fd882783 BZ |
3769 | if (priv->up == 0) |
3770 | return ; | |
3771 | ||
c8d86be3 | 3772 | del_timer_sync(&priv->watch_dog_timer); |
fd882783 BZ |
3773 | del_timer_sync(&priv->rateadapter_timer); |
3774 | cancel_delayed_work(&priv->ieee80211->rate_adapter_wq); | |
c8d86be3 GKH |
3775 | cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq); |
3776 | cancel_delayed_work(&priv->ieee80211->hw_sleep_wq); | |
3777 | cancel_delayed_work(&priv->ieee80211->hw_dig_wq); | |
3778 | cancel_delayed_work(&priv->ieee80211->tx_pw_wq); | |
3779 | del_timer_sync(&priv->SwAntennaDiversityTimer); | |
3780 | ieee80211_softmac_stop_protocol(priv->ieee80211); | |
3781 | rtl8180_irq_disable(dev); | |
3782 | rtl8180_rtx_disable(dev); | |
3783 | _rtl8180_up(dev); | |
3784 | } | |
3785 | ||
c8d86be3 GKH |
3786 | static void r8180_set_multicast(struct net_device *dev) |
3787 | { | |
3788 | struct r8180_priv *priv = ieee80211_priv(dev); | |
3789 | short promisc; | |
3790 | ||
c8d86be3 GKH |
3791 | promisc = (dev->flags & IFF_PROMISC) ? 1:0; |
3792 | ||
3793 | if (promisc != priv->promisc) | |
3794 | rtl8180_restart(dev); | |
3795 | ||
3796 | priv->promisc = promisc; | |
c8d86be3 GKH |
3797 | } |
3798 | ||
c8d86be3 GKH |
3799 | int r8180_set_mac_adr(struct net_device *dev, void *mac) |
3800 | { | |
3801 | struct r8180_priv *priv = ieee80211_priv(dev); | |
3802 | struct sockaddr *addr = mac; | |
3803 | ||
3804 | down(&priv->wx_sem); | |
3805 | ||
3806 | memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); | |
3807 | ||
3808 | if(priv->ieee80211->iw_mode == IW_MODE_MASTER) | |
3809 | memcpy(priv->ieee80211->current_network.bssid, dev->dev_addr, ETH_ALEN); | |
3810 | ||
3811 | if (priv->up) { | |
3812 | rtl8180_down(dev); | |
3813 | rtl8180_up(dev); | |
3814 | } | |
3815 | ||
3816 | up(&priv->wx_sem); | |
3817 | ||
3818 | return 0; | |
3819 | } | |
3820 | ||
3821 | /* based on ipw2200 driver */ | |
3822 | int rtl8180_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
3823 | { | |
3824 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
c8d86be3 GKH |
3825 | struct iwreq *wrq = (struct iwreq *) rq; |
3826 | int ret=-1; | |
fd882783 | 3827 | |
c8d86be3 | 3828 | switch (cmd) { |
fd882783 | 3829 | case RTL_IOCTL_WPA_SUPPLICANT: |
c8d86be3 GKH |
3830 | ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data); |
3831 | return ret; | |
fd882783 | 3832 | default: |
c8d86be3 GKH |
3833 | return -EOPNOTSUPP; |
3834 | } | |
3835 | ||
3836 | return -EOPNOTSUPP; | |
3837 | } | |
3838 | ||
727ae303 AB |
3839 | static const struct net_device_ops rtl8180_netdev_ops = { |
3840 | .ndo_open = rtl8180_open, | |
3841 | .ndo_stop = rtl8180_close, | |
3842 | .ndo_get_stats = rtl8180_stats, | |
3843 | .ndo_tx_timeout = rtl8180_restart, | |
3844 | .ndo_do_ioctl = rtl8180_ioctl, | |
3845 | .ndo_set_multicast_list = r8180_set_multicast, | |
3846 | .ndo_set_mac_address = r8180_set_mac_adr, | |
3847 | .ndo_validate_addr = eth_validate_addr, | |
3848 | .ndo_change_mtu = eth_change_mtu, | |
3849 | .ndo_start_xmit = ieee80211_xmit, | |
3850 | }; | |
c8d86be3 GKH |
3851 | |
3852 | static int __devinit rtl8180_pci_probe(struct pci_dev *pdev, | |
3853 | const struct pci_device_id *id) | |
3854 | { | |
3855 | unsigned long ioaddr = 0; | |
3856 | struct net_device *dev = NULL; | |
3857 | struct r8180_priv *priv= NULL; | |
c8d86be3 GKH |
3858 | u8 unit = 0; |
3859 | ||
c8d86be3 | 3860 | unsigned long pmem_start, pmem_len, pmem_flags; |
c8d86be3 GKH |
3861 | |
3862 | DMESG("Configuring chip resources"); | |
3863 | ||
3864 | if( pci_enable_device (pdev) ){ | |
3865 | DMESG("Failed to enable PCI device"); | |
3866 | return -EIO; | |
3867 | } | |
3868 | ||
3869 | pci_set_master(pdev); | |
c8d86be3 GKH |
3870 | pci_set_dma_mask(pdev, 0xffffff00ULL); |
3871 | pci_set_consistent_dma_mask(pdev,0xffffff00ULL); | |
3872 | dev = alloc_ieee80211(sizeof(struct r8180_priv)); | |
3873 | if (!dev) | |
3874 | return -ENOMEM; | |
3875 | priv = ieee80211_priv(dev); | |
3876 | priv->ieee80211 = netdev_priv(dev); | |
3877 | ||
c8d86be3 GKH |
3878 | pci_set_drvdata(pdev, dev); |
3879 | SET_NETDEV_DEV(dev, &pdev->dev); | |
3880 | ||
3881 | priv = ieee80211_priv(dev); | |
fd882783 | 3882 | priv->pdev = pdev; |
c8d86be3 GKH |
3883 | |
3884 | pmem_start = pci_resource_start(pdev, 1); | |
3885 | pmem_len = pci_resource_len(pdev, 1); | |
3886 | pmem_flags = pci_resource_flags (pdev, 1); | |
3887 | ||
3888 | if (!(pmem_flags & IORESOURCE_MEM)) { | |
3889 | DMESG("region #1 not a MMIO resource, aborting"); | |
3890 | goto fail; | |
3891 | } | |
3892 | ||
c8d86be3 GKH |
3893 | if( ! request_mem_region(pmem_start, pmem_len, RTL8180_MODULE_NAME)) { |
3894 | DMESG("request_mem_region failed!"); | |
3895 | goto fail; | |
3896 | } | |
3897 | ||
c8d86be3 GKH |
3898 | ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len); |
3899 | if( ioaddr == (unsigned long)NULL ){ | |
3900 | DMESG("ioremap failed!"); | |
c8d86be3 GKH |
3901 | goto fail1; |
3902 | } | |
3903 | ||
3904 | dev->mem_start = ioaddr; // shared mem start | |
3905 | dev->mem_end = ioaddr + pci_resource_len(pdev, 0); // shared mem end | |
3906 | ||
c8d86be3 GKH |
3907 | pci_read_config_byte(pdev, 0x05, &unit); |
3908 | pci_write_config_byte(pdev, 0x05, unit & (~0x04)); | |
c8d86be3 GKH |
3909 | |
3910 | dev->irq = pdev->irq; | |
3911 | priv->irq = 0; | |
3912 | ||
727ae303 | 3913 | dev->netdev_ops = &rtl8180_netdev_ops; |
c8d86be3 | 3914 | dev->wireless_handlers = &r8180_wx_handlers_def; |
c8d86be3 | 3915 | |
c8d86be3 GKH |
3916 | dev->type=ARPHRD_ETHER; |
3917 | dev->watchdog_timeo = HZ*3; //added by david woo, 2007.12.13 | |
3918 | ||
3919 | if (dev_alloc_name(dev, ifname) < 0){ | |
3920 | DMESG("Oops: devname already taken! Trying wlan%%d...\n"); | |
3921 | ifname = "wlan%d"; | |
c8d86be3 GKH |
3922 | dev_alloc_name(dev, ifname); |
3923 | } | |
3924 | ||
c8d86be3 GKH |
3925 | if(rtl8180_init(dev)!=0){ |
3926 | DMESG("Initialization failed"); | |
3927 | goto fail1; | |
3928 | } | |
3929 | ||
3930 | netif_carrier_off(dev); | |
3931 | ||
3932 | register_netdev(dev); | |
3933 | ||
3934 | rtl8180_proc_init_one(dev); | |
3935 | ||
3936 | DMESG("Driver probe completed\n"); | |
3937 | return 0; | |
c8d86be3 | 3938 | fail1: |
c8d86be3 GKH |
3939 | if( dev->mem_start != (unsigned long)NULL ){ |
3940 | iounmap( (void *)dev->mem_start ); | |
3941 | release_mem_region( pci_resource_start(pdev, 1), | |
3942 | pci_resource_len(pdev, 1) ); | |
3943 | } | |
c8d86be3 GKH |
3944 | fail: |
3945 | if(dev){ | |
c8d86be3 GKH |
3946 | if (priv->irq) { |
3947 | free_irq(dev->irq, dev); | |
3948 | dev->irq=0; | |
3949 | } | |
3950 | free_ieee80211(dev); | |
3951 | } | |
3952 | ||
3953 | pci_disable_device(pdev); | |
3954 | ||
3955 | DMESG("wlan driver load failed\n"); | |
3956 | pci_set_drvdata(pdev, NULL); | |
3957 | return -ENODEV; | |
c8d86be3 GKH |
3958 | } |
3959 | ||
c8d86be3 GKH |
3960 | static void __devexit rtl8180_pci_remove(struct pci_dev *pdev) |
3961 | { | |
3962 | struct r8180_priv *priv; | |
3963 | struct net_device *dev = pci_get_drvdata(pdev); | |
c8d86be3 | 3964 | |
fd882783 | 3965 | if (dev) { |
c8d86be3 GKH |
3966 | unregister_netdev(dev); |
3967 | ||
fd882783 | 3968 | priv = ieee80211_priv(dev); |
c8d86be3 GKH |
3969 | |
3970 | rtl8180_proc_remove_one(dev); | |
3971 | rtl8180_down(dev); | |
3972 | priv->rf_close(dev); | |
3973 | rtl8180_reset(dev); | |
c8d86be3 | 3974 | mdelay(10); |
c8d86be3 GKH |
3975 | |
3976 | if(priv->irq){ | |
c8d86be3 GKH |
3977 | DMESG("Freeing irq %d",dev->irq); |
3978 | free_irq(dev->irq, dev); | |
3979 | priv->irq=0; | |
c8d86be3 GKH |
3980 | } |
3981 | ||
3982 | free_rx_desc_ring(dev); | |
3983 | free_tx_desc_rings(dev); | |
c8d86be3 | 3984 | |
c8d86be3 GKH |
3985 | if( dev->mem_start != (unsigned long)NULL ){ |
3986 | iounmap( (void *)dev->mem_start ); | |
3987 | release_mem_region( pci_resource_start(pdev, 1), | |
3988 | pci_resource_len(pdev, 1) ); | |
3989 | } | |
c8d86be3 GKH |
3990 | |
3991 | free_ieee80211(dev); | |
3992 | } | |
3993 | pci_disable_device(pdev); | |
3994 | ||
3995 | DMESG("wlan driver removed\n"); | |
3996 | } | |
3997 | ||
c8d86be3 GKH |
3998 | /* fun with the built-in ieee80211 stack... */ |
3999 | extern int ieee80211_crypto_init(void); | |
4000 | extern void ieee80211_crypto_deinit(void); | |
4001 | extern int ieee80211_crypto_tkip_init(void); | |
4002 | extern void ieee80211_crypto_tkip_exit(void); | |
4003 | extern int ieee80211_crypto_ccmp_init(void); | |
4004 | extern void ieee80211_crypto_ccmp_exit(void); | |
4005 | extern int ieee80211_crypto_wep_init(void); | |
4006 | extern void ieee80211_crypto_wep_exit(void); | |
4007 | ||
4008 | static int __init rtl8180_pci_module_init(void) | |
4009 | { | |
4010 | int ret; | |
4011 | ||
4012 | ret = ieee80211_crypto_init(); | |
4013 | if (ret) { | |
4014 | printk(KERN_ERR "ieee80211_crypto_init() failed %d\n", ret); | |
4015 | return ret; | |
4016 | } | |
4017 | ret = ieee80211_crypto_tkip_init(); | |
4018 | if (ret) { | |
4019 | printk(KERN_ERR "ieee80211_crypto_tkip_init() failed %d\n", ret); | |
4020 | return ret; | |
4021 | } | |
4022 | ret = ieee80211_crypto_ccmp_init(); | |
4023 | if (ret) { | |
4024 | printk(KERN_ERR "ieee80211_crypto_ccmp_init() failed %d\n", ret); | |
4025 | return ret; | |
4026 | } | |
4027 | ret = ieee80211_crypto_wep_init(); | |
4028 | if (ret) { | |
4029 | printk(KERN_ERR "ieee80211_crypto_wep_init() failed %d\n", ret); | |
4030 | return ret; | |
4031 | } | |
4032 | ||
4033 | printk(KERN_INFO "\nLinux kernel driver for RTL8180 \ | |
4034 | / RTL8185 based WLAN cards\n"); | |
4035 | printk(KERN_INFO "Copyright (c) 2004-2005, Andrea Merello\n"); | |
4036 | DMESG("Initializing module"); | |
4037 | DMESG("Wireless extensions version %d", WIRELESS_EXT); | |
4038 | rtl8180_proc_module_init(); | |
4039 | ||
fd882783 | 4040 | if (pci_register_driver(&rtl8180_pci_driver)) { |
c8d86be3 | 4041 | DMESG("No device found"); |
c8d86be3 GKH |
4042 | return -ENODEV; |
4043 | } | |
4044 | return 0; | |
4045 | } | |
4046 | ||
c8d86be3 GKH |
4047 | static void __exit rtl8180_pci_module_exit(void) |
4048 | { | |
4049 | pci_unregister_driver (&rtl8180_pci_driver); | |
4050 | rtl8180_proc_module_remove(); | |
c8d86be3 GKH |
4051 | ieee80211_crypto_tkip_exit(); |
4052 | ieee80211_crypto_ccmp_exit(); | |
4053 | ieee80211_crypto_wep_exit(); | |
096c55d1 | 4054 | ieee80211_crypto_deinit(); |
c8d86be3 GKH |
4055 | DMESG("Exiting"); |
4056 | } | |
4057 | ||
c8d86be3 GKH |
4058 | void rtl8180_try_wake_queue(struct net_device *dev, int pri) |
4059 | { | |
4060 | unsigned long flags; | |
4061 | short enough_desc; | |
4062 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
4063 | ||
4064 | spin_lock_irqsave(&priv->tx_lock,flags); | |
4065 | enough_desc = check_nic_enought_desc(dev,pri); | |
4066 | spin_unlock_irqrestore(&priv->tx_lock,flags); | |
4067 | ||
4068 | if(enough_desc) | |
4069 | ieee80211_wake_queue(priv->ieee80211); | |
4070 | } | |
4071 | ||
c8d86be3 GKH |
4072 | void rtl8180_tx_isr(struct net_device *dev, int pri,short error) |
4073 | { | |
4074 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
c8d86be3 GKH |
4075 | u32 *tail; //tail virtual addr |
4076 | u32 *head; //head virtual addr | |
4077 | u32 *begin;//start of ring virtual addr | |
4078 | u32 *nicv; //nic pointer virtual addr | |
c8d86be3 GKH |
4079 | u32 nic; //nic pointer physical addr |
4080 | u32 nicbegin;// start of ring physical addr | |
c8d86be3 GKH |
4081 | unsigned long flag; |
4082 | /* physical addr are ok on 32 bits since we set DMA mask*/ | |
c8d86be3 GKH |
4083 | int offs; |
4084 | int j,i; | |
4085 | int hd; | |
4086 | if (error) priv->stats.txretry++; //tony 20060601 | |
4087 | spin_lock_irqsave(&priv->tx_lock,flag); | |
4088 | switch(pri) { | |
4089 | case MANAGE_PRIORITY: | |
4090 | tail = priv->txmapringtail; | |
4091 | begin = priv->txmapring; | |
4092 | head = priv->txmapringhead; | |
4093 | nic = read_nic_dword(dev,TX_MANAGEPRIORITY_RING_ADDR); | |
4094 | nicbegin = priv->txmapringdma; | |
4095 | break; | |
c8d86be3 GKH |
4096 | case BK_PRIORITY: |
4097 | tail = priv->txbkpringtail; | |
4098 | begin = priv->txbkpring; | |
4099 | head = priv->txbkpringhead; | |
4100 | nic = read_nic_dword(dev,TX_BKPRIORITY_RING_ADDR); | |
4101 | nicbegin = priv->txbkpringdma; | |
4102 | break; | |
c8d86be3 GKH |
4103 | case BE_PRIORITY: |
4104 | tail = priv->txbepringtail; | |
4105 | begin = priv->txbepring; | |
4106 | head = priv->txbepringhead; | |
4107 | nic = read_nic_dword(dev,TX_BEPRIORITY_RING_ADDR); | |
4108 | nicbegin = priv->txbepringdma; | |
4109 | break; | |
c8d86be3 GKH |
4110 | case VI_PRIORITY: |
4111 | tail = priv->txvipringtail; | |
4112 | begin = priv->txvipring; | |
4113 | head = priv->txvipringhead; | |
4114 | nic = read_nic_dword(dev,TX_VIPRIORITY_RING_ADDR); | |
4115 | nicbegin = priv->txvipringdma; | |
4116 | break; | |
c8d86be3 GKH |
4117 | case VO_PRIORITY: |
4118 | tail = priv->txvopringtail; | |
4119 | begin = priv->txvopring; | |
4120 | head = priv->txvopringhead; | |
4121 | nic = read_nic_dword(dev,TX_VOPRIORITY_RING_ADDR); | |
4122 | nicbegin = priv->txvopringdma; | |
4123 | break; | |
c8d86be3 GKH |
4124 | case HI_PRIORITY: |
4125 | tail = priv->txhpringtail; | |
4126 | begin = priv->txhpring; | |
4127 | head = priv->txhpringhead; | |
4128 | nic = read_nic_dword(dev,TX_HIGHPRIORITY_RING_ADDR); | |
4129 | nicbegin = priv->txhpringdma; | |
4130 | break; | |
4131 | ||
4132 | default: | |
4133 | spin_unlock_irqrestore(&priv->tx_lock,flag); | |
4134 | return ; | |
4135 | } | |
fd882783 | 4136 | |
c8d86be3 GKH |
4137 | nicv = (u32*) ((nic - nicbegin) + (u8*)begin); |
4138 | if((head <= tail && (nicv > tail || nicv < head)) || | |
4139 | (head > tail && (nicv > tail && nicv < head))){ | |
c8d86be3 | 4140 | DMESGW("nic has lost pointer"); |
c8d86be3 GKH |
4141 | spin_unlock_irqrestore(&priv->tx_lock,flag); |
4142 | rtl8180_restart(dev); | |
4143 | return; | |
4144 | } | |
4145 | ||
4146 | /* we check all the descriptors between the head and the nic, | |
4147 | * but not the currenly pointed by the nic (the next to be txed) | |
4148 | * and the previous of the pointed (might be in process ??) | |
4149 | */ | |
c8d86be3 | 4150 | offs = (nic - nicbegin); |
c8d86be3 | 4151 | offs = offs / 8 /4; |
c8d86be3 GKH |
4152 | hd = (head - begin) /8; |
4153 | ||
4154 | if(offs >= hd) | |
4155 | j = offs - hd; | |
4156 | else | |
4157 | j = offs + (priv->txringcount -1 -hd); | |
c8d86be3 GKH |
4158 | |
4159 | j-=2; | |
4160 | if(j<0) j=0; | |
4161 | ||
c8d86be3 GKH |
4162 | for(i=0;i<j;i++) |
4163 | { | |
c8d86be3 GKH |
4164 | if((*head) & (1<<31)) |
4165 | break; | |
4166 | if(((*head)&(0x10000000)) != 0){ | |
c8d86be3 | 4167 | priv->CurrRetryCnt += (u16)((*head) & (0x000000ff)); |
fd882783 | 4168 | if (!error) |
c8d86be3 | 4169 | priv->NumTxOkTotal++; |
c8d86be3 | 4170 | } |
fd882783 BZ |
4171 | |
4172 | if (!error) | |
c8d86be3 | 4173 | priv->NumTxOkBytesTotal += (*(head+3)) & (0x00000fff); |
fd882783 | 4174 | |
c8d86be3 GKH |
4175 | *head = *head &~ (1<<31); |
4176 | ||
4177 | if((head - begin)/8 == priv->txringcount-1) | |
4178 | head=begin; | |
c8d86be3 GKH |
4179 | else |
4180 | head+=8; | |
4181 | } | |
c8d86be3 | 4182 | |
c8d86be3 GKH |
4183 | /* the head has been moved to the last certainly TXed |
4184 | * (or at least processed by the nic) packet. | |
4185 | * The driver take forcefully owning of all these packets | |
4186 | * If the packet previous of the nic pointer has been | |
4187 | * processed this doesn't matter: it will be checked | |
4188 | * here at the next round. Anyway if no more packet are | |
4189 | * TXed no memory leak occour at all. | |
4190 | */ | |
4191 | ||
4192 | switch(pri) { | |
4193 | case MANAGE_PRIORITY: | |
4194 | priv->txmapringhead = head; | |
fd882783 | 4195 | |
c8d86be3 | 4196 | if(priv->ack_tx_to_ieee){ |
c8d86be3 | 4197 | if(rtl8180_is_tx_queue_empty(dev)){ |
c8d86be3 GKH |
4198 | priv->ack_tx_to_ieee = 0; |
4199 | ieee80211_ps_tx_ack(priv->ieee80211,!error); | |
4200 | } | |
c8d86be3 GKH |
4201 | } |
4202 | break; | |
c8d86be3 GKH |
4203 | case BK_PRIORITY: |
4204 | priv->txbkpringhead = head; | |
4205 | break; | |
c8d86be3 GKH |
4206 | case BE_PRIORITY: |
4207 | priv->txbepringhead = head; | |
4208 | break; | |
c8d86be3 GKH |
4209 | case VI_PRIORITY: |
4210 | priv->txvipringhead = head; | |
4211 | break; | |
c8d86be3 GKH |
4212 | case VO_PRIORITY: |
4213 | priv->txvopringhead = head; | |
4214 | break; | |
c8d86be3 GKH |
4215 | case HI_PRIORITY: |
4216 | priv->txhpringhead = head; | |
4217 | break; | |
4218 | } | |
4219 | ||
c8d86be3 | 4220 | spin_unlock_irqrestore(&priv->tx_lock,flag); |
c8d86be3 GKH |
4221 | } |
4222 | ||
c8d86be3 GKH |
4223 | void rtl8180_tx_irq_wq(struct work_struct *work) |
4224 | { | |
bf6aede7 | 4225 | struct delayed_work *dwork = to_delayed_work(work); |
c8d86be3 GKH |
4226 | struct ieee80211_device * ieee = (struct ieee80211_device*) |
4227 | container_of(dwork, struct ieee80211_device, watch_dog_wq); | |
4228 | struct net_device *dev = ieee->dev; | |
0370453f | 4229 | |
c8d86be3 GKH |
4230 | rtl8180_tx_isr(dev,MANAGE_PRIORITY,0); |
4231 | } | |
4232 | irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs) | |
4233 | { | |
4234 | struct net_device *dev = (struct net_device *) netdev; | |
4235 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); | |
4236 | unsigned long flags; | |
4237 | u32 inta; | |
4238 | ||
4239 | /* We should return IRQ_NONE, but for now let me keep this */ | |
4240 | if(priv->irq_enabled == 0) return IRQ_HANDLED; | |
4241 | ||
4242 | spin_lock_irqsave(&priv->irq_th_lock,flags); | |
4243 | ||
c8d86be3 GKH |
4244 | //ISR: 4bytes |
4245 | inta = read_nic_dword(dev, ISR);// & priv->IntrMask; | |
4246 | write_nic_dword(dev,ISR,inta); // reset int situation | |
c8d86be3 GKH |
4247 | |
4248 | priv->stats.shints++; | |
4249 | ||
c8d86be3 GKH |
4250 | if(!inta){ |
4251 | spin_unlock_irqrestore(&priv->irq_th_lock,flags); | |
4252 | return IRQ_HANDLED; | |
4253 | /* | |
4254 | most probably we can safely return IRQ_NONE, | |
4255 | but for now is better to avoid problems | |
4256 | */ | |
4257 | } | |
4258 | ||
fd882783 BZ |
4259 | if (inta == 0xffff) { |
4260 | /* HW disappared */ | |
4261 | spin_unlock_irqrestore(&priv->irq_th_lock, flags); | |
4262 | return IRQ_HANDLED; | |
c8d86be3 GKH |
4263 | } |
4264 | ||
4265 | priv->stats.ints++; | |
c8d86be3 GKH |
4266 | |
4267 | if(!netif_running(dev)) { | |
4268 | spin_unlock_irqrestore(&priv->irq_th_lock,flags); | |
4269 | return IRQ_HANDLED; | |
4270 | } | |
4271 | ||
fd882783 | 4272 | if (inta & ISR_TimeOut) |
c8d86be3 | 4273 | write_nic_dword(dev, TimerInt, 0); |
c8d86be3 | 4274 | |
fd882783 | 4275 | if (inta & ISR_TBDOK) |
c8d86be3 | 4276 | priv->stats.txbeacon++; |
c8d86be3 | 4277 | |
fd882783 | 4278 | if (inta & ISR_TBDER) |
c8d86be3 | 4279 | priv->stats.txbeaconerr++; |
c8d86be3 | 4280 | |
fd882783 | 4281 | if (inta & IMR_TMGDOK) |
c8d86be3 | 4282 | rtl8180_tx_isr(dev,MANAGE_PRIORITY,0); |
c8d86be3 GKH |
4283 | |
4284 | if(inta & ISR_THPDER){ | |
c8d86be3 GKH |
4285 | priv->stats.txhperr++; |
4286 | rtl8180_tx_isr(dev,HI_PRIORITY,1); | |
4287 | priv->ieee80211->stats.tx_errors++; | |
4288 | } | |
4289 | ||
4290 | if(inta & ISR_THPDOK){ //High priority tx ok | |
c8d86be3 GKH |
4291 | priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828 |
4292 | priv->stats.txhpokint++; | |
4293 | rtl8180_tx_isr(dev,HI_PRIORITY,0); | |
4294 | } | |
4295 | ||
4296 | if(inta & ISR_RER) { | |
4297 | priv->stats.rxerr++; | |
c8d86be3 | 4298 | } |
c8d86be3 GKH |
4299 | if(inta & ISR_TBKDER){ //corresponding to BK_PRIORITY |
4300 | priv->stats.txbkperr++; | |
4301 | priv->ieee80211->stats.tx_errors++; | |
c8d86be3 GKH |
4302 | rtl8180_tx_isr(dev,BK_PRIORITY,1); |
4303 | rtl8180_try_wake_queue(dev, BE_PRIORITY); | |
4304 | } | |
4305 | ||
4306 | if(inta & ISR_TBEDER){ //corresponding to BE_PRIORITY | |
4307 | priv->stats.txbeperr++; | |
4308 | priv->ieee80211->stats.tx_errors++; | |
c8d86be3 | 4309 | rtl8180_tx_isr(dev,BE_PRIORITY,1); |
c8d86be3 GKH |
4310 | rtl8180_try_wake_queue(dev, BE_PRIORITY); |
4311 | } | |
c8d86be3 GKH |
4312 | if(inta & ISR_TNPDER){ //corresponding to VO_PRIORITY |
4313 | priv->stats.txnperr++; | |
4314 | priv->ieee80211->stats.tx_errors++; | |
c8d86be3 | 4315 | rtl8180_tx_isr(dev,NORM_PRIORITY,1); |
c8d86be3 | 4316 | rtl8180_try_wake_queue(dev, NORM_PRIORITY); |
c8d86be3 GKH |
4317 | } |
4318 | ||
4319 | if(inta & ISR_TLPDER){ //corresponding to VI_PRIORITY | |
4320 | priv->stats.txlperr++; | |
4321 | priv->ieee80211->stats.tx_errors++; | |
c8d86be3 | 4322 | rtl8180_tx_isr(dev,LOW_PRIORITY,1); |
c8d86be3 GKH |
4323 | rtl8180_try_wake_queue(dev, LOW_PRIORITY); |
4324 | } | |
4325 | ||
4326 | if(inta & ISR_ROK){ | |
c8d86be3 GKH |
4327 | priv->stats.rxint++; |
4328 | tasklet_schedule(&priv->irq_rx_tasklet); | |
4329 | } | |
4330 | ||
4331 | if(inta & ISR_RQoSOK ){ | |
c8d86be3 GKH |
4332 | priv->stats.rxint++; |
4333 | tasklet_schedule(&priv->irq_rx_tasklet); | |
4334 | } | |
4335 | if(inta & ISR_BcnInt) { | |
c8d86be3 GKH |
4336 | rtl8180_prepare_beacon(dev); |
4337 | } | |
4338 | ||
4339 | if(inta & ISR_RDU){ | |
c8d86be3 GKH |
4340 | DMESGW("No RX descriptor available"); |
4341 | priv->stats.rxrdu++; | |
c8d86be3 | 4342 | tasklet_schedule(&priv->irq_rx_tasklet); |
c8d86be3 | 4343 | } |
fd882783 | 4344 | |
c8d86be3 | 4345 | if(inta & ISR_RXFOVW){ |
c8d86be3 GKH |
4346 | priv->stats.rxoverflow++; |
4347 | tasklet_schedule(&priv->irq_rx_tasklet); | |
c8d86be3 GKH |
4348 | } |
4349 | ||
fd882783 BZ |
4350 | if (inta & ISR_TXFOVW) |
4351 | priv->stats.txoverflow++; | |
c8d86be3 GKH |
4352 | |
4353 | if(inta & ISR_TNPDOK){ //Normal priority tx ok | |
c8d86be3 | 4354 | priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828 |
c8d86be3 GKH |
4355 | priv->stats.txnpokint++; |
4356 | rtl8180_tx_isr(dev,NORM_PRIORITY,0); | |
4357 | } | |
4358 | ||
4359 | if(inta & ISR_TLPDOK){ //Low priority tx ok | |
c8d86be3 | 4360 | priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828 |
c8d86be3 GKH |
4361 | priv->stats.txlpokint++; |
4362 | rtl8180_tx_isr(dev,LOW_PRIORITY,0); | |
4363 | rtl8180_try_wake_queue(dev, LOW_PRIORITY); | |
4364 | } | |
4365 | ||
c8d86be3 GKH |
4366 | if(inta & ISR_TBKDOK){ //corresponding to BK_PRIORITY |
4367 | priv->stats.txbkpokint++; | |
c8d86be3 GKH |
4368 | priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828 |
4369 | rtl8180_tx_isr(dev,BK_PRIORITY,0); | |
4370 | rtl8180_try_wake_queue(dev, BE_PRIORITY); | |
4371 | } | |
4372 | ||
4373 | if(inta & ISR_TBEDOK){ //corresponding to BE_PRIORITY | |
4374 | priv->stats.txbeperr++; | |
c8d86be3 GKH |
4375 | priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828 |
4376 | rtl8180_tx_isr(dev,BE_PRIORITY,0); | |
4377 | rtl8180_try_wake_queue(dev, BE_PRIORITY); | |
4378 | } | |
c8d86be3 GKH |
4379 | force_pci_posting(dev); |
4380 | spin_unlock_irqrestore(&priv->irq_th_lock,flags); | |
4381 | ||
4382 | return IRQ_HANDLED; | |
4383 | } | |
4384 | ||
c8d86be3 GKH |
4385 | void rtl8180_irq_rx_tasklet(struct r8180_priv* priv) |
4386 | { | |
c8d86be3 | 4387 | rtl8180_rx(priv->dev); |
c8d86be3 GKH |
4388 | } |
4389 | ||
c8d86be3 GKH |
4390 | void GPIOChangeRFWorkItemCallBack(struct work_struct *work) |
4391 | { | |
c8d86be3 GKH |
4392 | struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, GPIOChangeRFWorkItem.work); |
4393 | struct net_device *dev = ieee->dev; | |
4394 | struct r8180_priv *priv = ieee80211_priv(dev); | |
c8d86be3 GKH |
4395 | u8 btPSR; |
4396 | u8 btConfig0; | |
4397 | RT_RF_POWER_STATE eRfPowerStateToSet; | |
4398 | bool bActuallySet=false; | |
4399 | ||
4400 | char *argv[3]; | |
4401 | static char *RadioPowerPath = "/etc/acpi/events/RadioPower.sh"; | |
4402 | static char *envp[] = {"HOME=/", "TERM=linux", "PATH=/usr/bin:/bin", NULL}; | |
4403 | static int readf_count = 0; | |
c8d86be3 GKH |
4404 | |
4405 | #ifdef ENABLE_LPS | |
4406 | if(readf_count % 10 == 0) | |
4407 | priv->PowerProfile = read_acadapter_file("/proc/acpi/ac_adapter/AC0/state"); | |
4408 | ||
4409 | readf_count = (readf_count+1)%0xffff; | |
c8d86be3 GKH |
4410 | #endif |
4411 | { | |
4412 | // We should turn off LED before polling FF51[4]. | |
4413 | ||
4414 | //Turn off LED. | |
4415 | btPSR = read_nic_byte(dev, PSR); | |
4416 | write_nic_byte(dev, PSR, (btPSR & ~BIT3)); | |
4417 | ||
4418 | //It need to delay 4us suggested by Jong, 2008-01-16 | |
4419 | udelay(4); | |
4420 | ||
4421 | //HW radio On/Off according to the value of FF51[4](config0) | |
4422 | btConfig0 = btPSR = read_nic_byte(dev, CONFIG0); | |
4423 | ||
4424 | //Turn on LED. | |
4425 | write_nic_byte(dev, PSR, btPSR| BIT3); | |
4426 | ||
4427 | eRfPowerStateToSet = (btConfig0 & BIT4) ? eRfOn : eRfOff; | |
4428 | ||
4429 | if((priv->ieee80211->bHwRadioOff == true) && (eRfPowerStateToSet == eRfOn)) | |
4430 | { | |
4431 | priv->ieee80211->bHwRadioOff = false; | |
4432 | bActuallySet = true; | |
4433 | } | |
4434 | else if((priv->ieee80211->bHwRadioOff == false) && (eRfPowerStateToSet == eRfOff)) | |
4435 | { | |
4436 | priv->ieee80211->bHwRadioOff = true; | |
4437 | bActuallySet = true; | |
4438 | } | |
4439 | ||
4440 | if(bActuallySet) | |
4441 | { | |
4442 | MgntActSet_RF_State(dev, eRfPowerStateToSet, RF_CHANGE_BY_HW); | |
4443 | ||
4444 | /* To update the UI status for Power status changed */ | |
4445 | if(priv->ieee80211->bHwRadioOff == true) | |
4446 | argv[1] = "RFOFF"; | |
4447 | else{ | |
4448 | //if(!priv->RfOffReason) | |
4449 | argv[1] = "RFON"; | |
4450 | //else | |
4451 | // argv[1] = "RFOFF"; | |
4452 | } | |
4453 | argv[0] = RadioPowerPath; | |
4454 | argv[2] = NULL; | |
4455 | ||
4456 | call_usermodehelper(RadioPowerPath,argv,envp,1); | |
4457 | } | |
c8d86be3 | 4458 | } |
c8d86be3 GKH |
4459 | } |
4460 | ||
4461 | static u8 read_acadapter_file(char *filename) | |
4462 | { | |
c8d86be3 GKH |
4463 | return 0; |
4464 | } | |
4465 | ||
c8d86be3 GKH |
4466 | module_init(rtl8180_pci_module_init); |
4467 | module_exit(rtl8180_pci_module_exit); |