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Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 LT |
2 | A FORE Systems 200E-series driver for ATM on Linux. |
3 | Christophe Lizzi (lizzi@cnam.fr), October 1999-March 2003. | |
4 | ||
5 | Based on the PCA-200E driver from Uwe Dannowski (Uwe.Dannowski@inf.tu-dresden.de). | |
6 | ||
7 | This driver simultaneously supports PCA-200E and SBA-200E adapters | |
8 | on i386, alpha (untested), powerpc, sparc and sparc64 architectures. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | */ | |
24 | ||
25 | ||
1da177e4 LT |
26 | #include <linux/kernel.h> |
27 | #include <linux/slab.h> | |
28 | #include <linux/init.h> | |
29 | #include <linux/capability.h> | |
1da177e4 LT |
30 | #include <linux/interrupt.h> |
31 | #include <linux/bitops.h> | |
32 | #include <linux/pci.h> | |
33 | #include <linux/module.h> | |
34 | #include <linux/atmdev.h> | |
35 | #include <linux/sonet.h> | |
36 | #include <linux/atm_suni.h> | |
37 | #include <linux/dma-mapping.h> | |
38 | #include <linux/delay.h> | |
e92481f9 | 39 | #include <linux/firmware.h> |
1da177e4 LT |
40 | #include <asm/io.h> |
41 | #include <asm/string.h> | |
42 | #include <asm/page.h> | |
43 | #include <asm/irq.h> | |
44 | #include <asm/dma.h> | |
45 | #include <asm/byteorder.h> | |
7c0f6ba6 | 46 | #include <linux/uaccess.h> |
60063497 | 47 | #include <linux/atomic.h> |
1da177e4 | 48 | |
e92481f9 | 49 | #ifdef CONFIG_SBUS |
826b6cfc DM |
50 | #include <linux/of.h> |
51 | #include <linux/of_device.h> | |
1da177e4 | 52 | #include <asm/idprom.h> |
1da177e4 LT |
53 | #include <asm/openprom.h> |
54 | #include <asm/oplib.h> | |
55 | #include <asm/pgtable.h> | |
56 | #endif | |
57 | ||
58 | #if defined(CONFIG_ATM_FORE200E_USE_TASKLET) /* defer interrupt work to a tasklet */ | |
59 | #define FORE200E_USE_TASKLET | |
60 | #endif | |
61 | ||
62 | #if 0 /* enable the debugging code of the buffer supply queues */ | |
63 | #define FORE200E_BSQ_DEBUG | |
64 | #endif | |
65 | ||
66 | #if 1 /* ensure correct handling of 52-byte AAL0 SDUs expected by atmdump-like apps */ | |
67 | #define FORE200E_52BYTE_AAL0_SDU | |
68 | #endif | |
69 | ||
70 | #include "fore200e.h" | |
71 | #include "suni.h" | |
72 | ||
73 | #define FORE200E_VERSION "0.3e" | |
74 | ||
75 | #define FORE200E "fore200e: " | |
76 | ||
77 | #if 0 /* override .config */ | |
78 | #define CONFIG_ATM_FORE200E_DEBUG 1 | |
79 | #endif | |
80 | #if defined(CONFIG_ATM_FORE200E_DEBUG) && (CONFIG_ATM_FORE200E_DEBUG > 0) | |
81 | #define DPRINTK(level, format, args...) do { if (CONFIG_ATM_FORE200E_DEBUG >= (level)) \ | |
82 | printk(FORE200E format, ##args); } while (0) | |
83 | #else | |
84 | #define DPRINTK(level, format, args...) do {} while (0) | |
85 | #endif | |
86 | ||
87 | ||
88 | #define FORE200E_ALIGN(addr, alignment) \ | |
89 | ((((unsigned long)(addr) + (alignment - 1)) & ~(alignment - 1)) - (unsigned long)(addr)) | |
90 | ||
91 | #define FORE200E_DMA_INDEX(dma_addr, type, index) ((dma_addr) + (index) * sizeof(type)) | |
92 | ||
93 | #define FORE200E_INDEX(virt_addr, type, index) (&((type *)(virt_addr))[ index ]) | |
94 | ||
30dfe2c0 | 95 | #define FORE200E_NEXT_ENTRY(index, modulo) (index = ((index) + 1) % (modulo)) |
1da177e4 LT |
96 | |
97 | #if 1 | |
98 | #define ASSERT(expr) if (!(expr)) { \ | |
99 | printk(FORE200E "assertion failed! %s[%d]: %s\n", \ | |
5a346a10 HH |
100 | __func__, __LINE__, #expr); \ |
101 | panic(FORE200E "%s", __func__); \ | |
1da177e4 LT |
102 | } |
103 | #else | |
104 | #define ASSERT(expr) do {} while (0) | |
105 | #endif | |
106 | ||
107 | ||
108 | static const struct atmdev_ops fore200e_ops; | |
1da177e4 LT |
109 | |
110 | static LIST_HEAD(fore200e_boards); | |
111 | ||
112 | ||
113 | MODULE_AUTHOR("Christophe Lizzi - credits to Uwe Dannowski and Heikki Vatiainen"); | |
114 | MODULE_DESCRIPTION("FORE Systems 200E-series ATM driver - version " FORE200E_VERSION); | |
115 | MODULE_SUPPORTED_DEVICE("PCA-200E, SBA-200E"); | |
116 | ||
117 | ||
118 | static const int fore200e_rx_buf_nbr[ BUFFER_SCHEME_NBR ][ BUFFER_MAGN_NBR ] = { | |
119 | { BUFFER_S1_NBR, BUFFER_L1_NBR }, | |
120 | { BUFFER_S2_NBR, BUFFER_L2_NBR } | |
121 | }; | |
122 | ||
123 | static const int fore200e_rx_buf_size[ BUFFER_SCHEME_NBR ][ BUFFER_MAGN_NBR ] = { | |
124 | { BUFFER_S1_SIZE, BUFFER_L1_SIZE }, | |
125 | { BUFFER_S2_SIZE, BUFFER_L2_SIZE } | |
126 | }; | |
127 | ||
128 | ||
129 | #if defined(CONFIG_ATM_FORE200E_DEBUG) && (CONFIG_ATM_FORE200E_DEBUG > 0) | |
130 | static const char* fore200e_traffic_class[] = { "NONE", "UBR", "CBR", "VBR", "ABR", "ANY" }; | |
131 | #endif | |
132 | ||
133 | ||
134 | #if 0 /* currently unused */ | |
135 | static int | |
136 | fore200e_fore2atm_aal(enum fore200e_aal aal) | |
137 | { | |
138 | switch(aal) { | |
139 | case FORE200E_AAL0: return ATM_AAL0; | |
140 | case FORE200E_AAL34: return ATM_AAL34; | |
141 | case FORE200E_AAL5: return ATM_AAL5; | |
142 | } | |
143 | ||
144 | return -EINVAL; | |
145 | } | |
146 | #endif | |
147 | ||
148 | ||
149 | static enum fore200e_aal | |
150 | fore200e_atm2fore_aal(int aal) | |
151 | { | |
152 | switch(aal) { | |
153 | case ATM_AAL0: return FORE200E_AAL0; | |
154 | case ATM_AAL34: return FORE200E_AAL34; | |
155 | case ATM_AAL1: | |
156 | case ATM_AAL2: | |
157 | case ATM_AAL5: return FORE200E_AAL5; | |
158 | } | |
159 | ||
160 | return -EINVAL; | |
161 | } | |
162 | ||
163 | ||
164 | static char* | |
165 | fore200e_irq_itoa(int irq) | |
166 | { | |
1da177e4 LT |
167 | static char str[8]; |
168 | sprintf(str, "%d", irq); | |
169 | return str; | |
1da177e4 LT |
170 | } |
171 | ||
172 | ||
1da177e4 LT |
173 | /* allocate and align a chunk of memory intended to hold the data behing exchanged |
174 | between the driver and the adapter (using streaming DVMA) */ | |
175 | ||
176 | static int | |
177 | fore200e_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk, int size, int alignment, int direction) | |
178 | { | |
179 | unsigned long offset = 0; | |
180 | ||
181 | if (alignment <= sizeof(int)) | |
182 | alignment = 0; | |
183 | ||
184 | chunk->alloc_size = size + alignment; | |
1da177e4 LT |
185 | chunk->direction = direction; |
186 | ||
0e21b225 | 187 | chunk->alloc_addr = kzalloc(chunk->alloc_size, GFP_KERNEL); |
1da177e4 LT |
188 | if (chunk->alloc_addr == NULL) |
189 | return -ENOMEM; | |
190 | ||
191 | if (alignment > 0) | |
192 | offset = FORE200E_ALIGN(chunk->alloc_addr, alignment); | |
193 | ||
194 | chunk->align_addr = chunk->alloc_addr + offset; | |
195 | ||
f3fadcb5 CH |
196 | chunk->dma_addr = dma_map_single(fore200e->dev, chunk->align_addr, |
197 | size, direction); | |
1d9d8be9 CH |
198 | if (dma_mapping_error(fore200e->dev, chunk->dma_addr)) { |
199 | kfree(chunk->alloc_addr); | |
200 | return -ENOMEM; | |
201 | } | |
1da177e4 LT |
202 | return 0; |
203 | } | |
204 | ||
205 | ||
206 | /* free a chunk of memory */ | |
207 | ||
208 | static void | |
209 | fore200e_chunk_free(struct fore200e* fore200e, struct chunk* chunk) | |
210 | { | |
f3fadcb5 CH |
211 | dma_unmap_single(fore200e->dev, chunk->dma_addr, chunk->dma_size, |
212 | chunk->direction); | |
1f8a5fb8 | 213 | kfree(chunk->alloc_addr); |
1da177e4 LT |
214 | } |
215 | ||
1335d6fd CH |
216 | /* |
217 | * Allocate a DMA consistent chunk of memory intended to act as a communication | |
218 | * mechanism (to hold descriptors, status, queues, etc.) shared by the driver | |
219 | * and the adapter. | |
220 | */ | |
221 | static int | |
222 | fore200e_dma_chunk_alloc(struct fore200e *fore200e, struct chunk *chunk, | |
223 | int size, int nbr, int alignment) | |
224 | { | |
225 | /* returned chunks are page-aligned */ | |
226 | chunk->alloc_size = size * nbr; | |
227 | chunk->alloc_addr = dma_alloc_coherent(fore200e->dev, chunk->alloc_size, | |
228 | &chunk->dma_addr, GFP_KERNEL); | |
229 | if (!chunk->alloc_addr) | |
230 | return -ENOMEM; | |
231 | chunk->align_addr = chunk->alloc_addr; | |
232 | return 0; | |
233 | } | |
234 | ||
235 | /* | |
236 | * Free a DMA consistent chunk of memory. | |
237 | */ | |
238 | static void | |
239 | fore200e_dma_chunk_free(struct fore200e* fore200e, struct chunk* chunk) | |
240 | { | |
241 | dma_free_coherent(fore200e->dev, chunk->alloc_size, chunk->alloc_addr, | |
242 | chunk->dma_addr); | |
243 | } | |
1da177e4 LT |
244 | |
245 | static void | |
246 | fore200e_spin(int msecs) | |
247 | { | |
248 | unsigned long timeout = jiffies + msecs_to_jiffies(msecs); | |
249 | while (time_before(jiffies, timeout)); | |
250 | } | |
251 | ||
252 | ||
253 | static int | |
254 | fore200e_poll(struct fore200e* fore200e, volatile u32* addr, u32 val, int msecs) | |
255 | { | |
256 | unsigned long timeout = jiffies + msecs_to_jiffies(msecs); | |
257 | int ok; | |
258 | ||
259 | mb(); | |
260 | do { | |
261 | if ((ok = (*addr == val)) || (*addr & STATUS_ERROR)) | |
262 | break; | |
263 | ||
264 | } while (time_before(jiffies, timeout)); | |
265 | ||
266 | #if 1 | |
267 | if (!ok) { | |
268 | printk(FORE200E "cmd polling failed, got status 0x%08x, expected 0x%08x\n", | |
269 | *addr, val); | |
270 | } | |
271 | #endif | |
272 | ||
273 | return ok; | |
274 | } | |
275 | ||
276 | ||
277 | static int | |
278 | fore200e_io_poll(struct fore200e* fore200e, volatile u32 __iomem *addr, u32 val, int msecs) | |
279 | { | |
280 | unsigned long timeout = jiffies + msecs_to_jiffies(msecs); | |
281 | int ok; | |
282 | ||
283 | do { | |
284 | if ((ok = (fore200e->bus->read(addr) == val))) | |
285 | break; | |
286 | ||
287 | } while (time_before(jiffies, timeout)); | |
288 | ||
289 | #if 1 | |
290 | if (!ok) { | |
291 | printk(FORE200E "I/O polling failed, got status 0x%08x, expected 0x%08x\n", | |
292 | fore200e->bus->read(addr), val); | |
293 | } | |
294 | #endif | |
295 | ||
296 | return ok; | |
297 | } | |
298 | ||
299 | ||
300 | static void | |
301 | fore200e_free_rx_buf(struct fore200e* fore200e) | |
302 | { | |
303 | int scheme, magn, nbr; | |
304 | struct buffer* buffer; | |
305 | ||
306 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { | |
307 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { | |
308 | ||
309 | if ((buffer = fore200e->host_bsq[ scheme ][ magn ].buffer) != NULL) { | |
310 | ||
311 | for (nbr = 0; nbr < fore200e_rx_buf_nbr[ scheme ][ magn ]; nbr++) { | |
312 | ||
313 | struct chunk* data = &buffer[ nbr ].data; | |
314 | ||
315 | if (data->alloc_addr != NULL) | |
316 | fore200e_chunk_free(fore200e, data); | |
317 | } | |
318 | } | |
319 | } | |
320 | } | |
321 | } | |
322 | ||
323 | ||
324 | static void | |
325 | fore200e_uninit_bs_queue(struct fore200e* fore200e) | |
326 | { | |
327 | int scheme, magn; | |
328 | ||
329 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { | |
330 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { | |
331 | ||
332 | struct chunk* status = &fore200e->host_bsq[ scheme ][ magn ].status; | |
333 | struct chunk* rbd_block = &fore200e->host_bsq[ scheme ][ magn ].rbd_block; | |
334 | ||
335 | if (status->alloc_addr) | |
1335d6fd | 336 | fore200e_dma_chunk_free(fore200e, status); |
1da177e4 LT |
337 | |
338 | if (rbd_block->alloc_addr) | |
1335d6fd | 339 | fore200e_dma_chunk_free(fore200e, rbd_block); |
1da177e4 LT |
340 | } |
341 | } | |
342 | } | |
343 | ||
344 | ||
345 | static int | |
346 | fore200e_reset(struct fore200e* fore200e, int diag) | |
347 | { | |
348 | int ok; | |
349 | ||
350 | fore200e->cp_monitor = fore200e->virt_base + FORE200E_CP_MONITOR_OFFSET; | |
351 | ||
352 | fore200e->bus->write(BSTAT_COLD_START, &fore200e->cp_monitor->bstat); | |
353 | ||
354 | fore200e->bus->reset(fore200e); | |
355 | ||
356 | if (diag) { | |
357 | ok = fore200e_io_poll(fore200e, &fore200e->cp_monitor->bstat, BSTAT_SELFTEST_OK, 1000); | |
358 | if (ok == 0) { | |
359 | ||
360 | printk(FORE200E "device %s self-test failed\n", fore200e->name); | |
361 | return -ENODEV; | |
362 | } | |
363 | ||
364 | printk(FORE200E "device %s self-test passed\n", fore200e->name); | |
365 | ||
366 | fore200e->state = FORE200E_STATE_RESET; | |
367 | } | |
368 | ||
369 | return 0; | |
370 | } | |
371 | ||
372 | ||
373 | static void | |
374 | fore200e_shutdown(struct fore200e* fore200e) | |
375 | { | |
376 | printk(FORE200E "removing device %s at 0x%lx, IRQ %s\n", | |
377 | fore200e->name, fore200e->phys_base, | |
378 | fore200e_irq_itoa(fore200e->irq)); | |
379 | ||
380 | if (fore200e->state > FORE200E_STATE_RESET) { | |
381 | /* first, reset the board to prevent further interrupts or data transfers */ | |
382 | fore200e_reset(fore200e, 0); | |
383 | } | |
384 | ||
385 | /* then, release all allocated resources */ | |
386 | switch(fore200e->state) { | |
387 | ||
388 | case FORE200E_STATE_COMPLETE: | |
a2c1aa54 | 389 | kfree(fore200e->stats); |
1da177e4 | 390 | |
ec0d0987 | 391 | /* fall through */ |
1da177e4 LT |
392 | case FORE200E_STATE_IRQ: |
393 | free_irq(fore200e->irq, fore200e->atm_dev); | |
394 | ||
ec0d0987 | 395 | /* fall through */ |
1da177e4 LT |
396 | case FORE200E_STATE_ALLOC_BUF: |
397 | fore200e_free_rx_buf(fore200e); | |
398 | ||
ec0d0987 | 399 | /* fall through */ |
1da177e4 LT |
400 | case FORE200E_STATE_INIT_BSQ: |
401 | fore200e_uninit_bs_queue(fore200e); | |
402 | ||
ec0d0987 | 403 | /* fall through */ |
1da177e4 | 404 | case FORE200E_STATE_INIT_RXQ: |
1335d6fd CH |
405 | fore200e_dma_chunk_free(fore200e, &fore200e->host_rxq.status); |
406 | fore200e_dma_chunk_free(fore200e, &fore200e->host_rxq.rpd); | |
1da177e4 | 407 | |
ec0d0987 | 408 | /* fall through */ |
1da177e4 | 409 | case FORE200E_STATE_INIT_TXQ: |
1335d6fd CH |
410 | fore200e_dma_chunk_free(fore200e, &fore200e->host_txq.status); |
411 | fore200e_dma_chunk_free(fore200e, &fore200e->host_txq.tpd); | |
1da177e4 | 412 | |
ec0d0987 | 413 | /* fall through */ |
1da177e4 | 414 | case FORE200E_STATE_INIT_CMDQ: |
1335d6fd | 415 | fore200e_dma_chunk_free(fore200e, &fore200e->host_cmdq.status); |
1da177e4 | 416 | |
ec0d0987 | 417 | /* fall through */ |
1da177e4 LT |
418 | case FORE200E_STATE_INITIALIZE: |
419 | /* nothing to do for that state */ | |
420 | ||
421 | case FORE200E_STATE_START_FW: | |
422 | /* nothing to do for that state */ | |
423 | ||
1da177e4 LT |
424 | case FORE200E_STATE_RESET: |
425 | /* nothing to do for that state */ | |
426 | ||
427 | case FORE200E_STATE_MAP: | |
428 | fore200e->bus->unmap(fore200e); | |
429 | ||
ec0d0987 | 430 | /* fall through */ |
1da177e4 LT |
431 | case FORE200E_STATE_CONFIGURE: |
432 | /* nothing to do for that state */ | |
433 | ||
434 | case FORE200E_STATE_REGISTER: | |
435 | /* XXX shouldn't we *start* by deregistering the device? */ | |
436 | atm_dev_deregister(fore200e->atm_dev); | |
437 | ||
438 | case FORE200E_STATE_BLANK: | |
439 | /* nothing to do for that state */ | |
440 | break; | |
441 | } | |
442 | } | |
443 | ||
444 | ||
e92481f9 | 445 | #ifdef CONFIG_PCI |
1da177e4 LT |
446 | |
447 | static u32 fore200e_pca_read(volatile u32 __iomem *addr) | |
448 | { | |
449 | /* on big-endian hosts, the board is configured to convert | |
450 | the endianess of slave RAM accesses */ | |
451 | return le32_to_cpu(readl(addr)); | |
452 | } | |
453 | ||
454 | ||
455 | static void fore200e_pca_write(u32 val, volatile u32 __iomem *addr) | |
456 | { | |
457 | /* on big-endian hosts, the board is configured to convert | |
458 | the endianess of slave RAM accesses */ | |
459 | writel(cpu_to_le32(val), addr); | |
460 | } | |
461 | ||
1da177e4 LT |
462 | static int |
463 | fore200e_pca_irq_check(struct fore200e* fore200e) | |
464 | { | |
465 | /* this is a 1 bit register */ | |
466 | int irq_posted = readl(fore200e->regs.pca.psr); | |
467 | ||
468 | #if defined(CONFIG_ATM_FORE200E_DEBUG) && (CONFIG_ATM_FORE200E_DEBUG == 2) | |
469 | if (irq_posted && (readl(fore200e->regs.pca.hcr) & PCA200E_HCR_OUTFULL)) { | |
470 | DPRINTK(2,"FIFO OUT full, device %d\n", fore200e->atm_dev->number); | |
471 | } | |
472 | #endif | |
473 | ||
474 | return irq_posted; | |
475 | } | |
476 | ||
477 | ||
478 | static void | |
479 | fore200e_pca_irq_ack(struct fore200e* fore200e) | |
480 | { | |
481 | writel(PCA200E_HCR_CLRINTR, fore200e->regs.pca.hcr); | |
482 | } | |
483 | ||
484 | ||
485 | static void | |
486 | fore200e_pca_reset(struct fore200e* fore200e) | |
487 | { | |
488 | writel(PCA200E_HCR_RESET, fore200e->regs.pca.hcr); | |
489 | fore200e_spin(10); | |
490 | writel(0, fore200e->regs.pca.hcr); | |
491 | } | |
492 | ||
493 | ||
6c44512d | 494 | static int fore200e_pca_map(struct fore200e* fore200e) |
1da177e4 LT |
495 | { |
496 | DPRINTK(2, "device %s being mapped in memory\n", fore200e->name); | |
497 | ||
498 | fore200e->virt_base = ioremap(fore200e->phys_base, PCA200E_IOSPACE_LENGTH); | |
499 | ||
500 | if (fore200e->virt_base == NULL) { | |
501 | printk(FORE200E "can't map device %s\n", fore200e->name); | |
502 | return -EFAULT; | |
503 | } | |
504 | ||
505 | DPRINTK(1, "device %s mapped to 0x%p\n", fore200e->name, fore200e->virt_base); | |
506 | ||
507 | /* gain access to the PCA specific registers */ | |
508 | fore200e->regs.pca.hcr = fore200e->virt_base + PCA200E_HCR_OFFSET; | |
509 | fore200e->regs.pca.imr = fore200e->virt_base + PCA200E_IMR_OFFSET; | |
510 | fore200e->regs.pca.psr = fore200e->virt_base + PCA200E_PSR_OFFSET; | |
511 | ||
512 | fore200e->state = FORE200E_STATE_MAP; | |
513 | return 0; | |
514 | } | |
515 | ||
516 | ||
517 | static void | |
518 | fore200e_pca_unmap(struct fore200e* fore200e) | |
519 | { | |
520 | DPRINTK(2, "device %s being unmapped from memory\n", fore200e->name); | |
521 | ||
522 | if (fore200e->virt_base != NULL) | |
523 | iounmap(fore200e->virt_base); | |
524 | } | |
525 | ||
526 | ||
6c44512d | 527 | static int fore200e_pca_configure(struct fore200e *fore200e) |
1da177e4 | 528 | { |
aff9d262 | 529 | struct pci_dev *pci_dev = to_pci_dev(fore200e->dev); |
1da177e4 LT |
530 | u8 master_ctrl, latency; |
531 | ||
532 | DPRINTK(2, "device %s being configured\n", fore200e->name); | |
533 | ||
534 | if ((pci_dev->irq == 0) || (pci_dev->irq == 0xFF)) { | |
535 | printk(FORE200E "incorrect IRQ setting - misconfigured PCI-PCI bridge?\n"); | |
536 | return -EIO; | |
537 | } | |
538 | ||
539 | pci_read_config_byte(pci_dev, PCA200E_PCI_MASTER_CTRL, &master_ctrl); | |
540 | ||
541 | master_ctrl = master_ctrl | |
542 | #if defined(__BIG_ENDIAN) | |
543 | /* request the PCA board to convert the endianess of slave RAM accesses */ | |
544 | | PCA200E_CTRL_CONVERT_ENDIAN | |
545 | #endif | |
546 | #if 0 | |
547 | | PCA200E_CTRL_DIS_CACHE_RD | |
548 | | PCA200E_CTRL_DIS_WRT_INVAL | |
549 | | PCA200E_CTRL_ENA_CONT_REQ_MODE | |
550 | | PCA200E_CTRL_2_CACHE_WRT_INVAL | |
551 | #endif | |
552 | | PCA200E_CTRL_LARGE_PCI_BURSTS; | |
553 | ||
554 | pci_write_config_byte(pci_dev, PCA200E_PCI_MASTER_CTRL, master_ctrl); | |
555 | ||
556 | /* raise latency from 32 (default) to 192, as this seems to prevent NIC | |
557 | lockups (under heavy rx loads) due to continuous 'FIFO OUT full' condition. | |
558 | this may impact the performances of other PCI devices on the same bus, though */ | |
559 | latency = 192; | |
560 | pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); | |
561 | ||
562 | fore200e->state = FORE200E_STATE_CONFIGURE; | |
563 | return 0; | |
564 | } | |
565 | ||
566 | ||
567 | static int __init | |
568 | fore200e_pca_prom_read(struct fore200e* fore200e, struct prom_data* prom) | |
569 | { | |
570 | struct host_cmdq* cmdq = &fore200e->host_cmdq; | |
571 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; | |
572 | struct prom_opcode opcode; | |
573 | int ok; | |
574 | u32 prom_dma; | |
575 | ||
576 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); | |
577 | ||
578 | opcode.opcode = OPCODE_GET_PROM; | |
579 | opcode.pad = 0; | |
580 | ||
f3fadcb5 CH |
581 | prom_dma = dma_map_single(fore200e->dev, prom, sizeof(struct prom_data), |
582 | DMA_FROM_DEVICE); | |
1d9d8be9 CH |
583 | if (dma_mapping_error(fore200e->dev, prom_dma)) |
584 | return -ENOMEM; | |
1da177e4 LT |
585 | |
586 | fore200e->bus->write(prom_dma, &entry->cp_entry->cmd.prom_block.prom_haddr); | |
587 | ||
588 | *entry->status = STATUS_PENDING; | |
589 | ||
590 | fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.prom_block.opcode); | |
591 | ||
592 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); | |
593 | ||
594 | *entry->status = STATUS_FREE; | |
595 | ||
f3fadcb5 | 596 | dma_unmap_single(fore200e->dev, prom_dma, sizeof(struct prom_data), DMA_FROM_DEVICE); |
1da177e4 LT |
597 | |
598 | if (ok == 0) { | |
599 | printk(FORE200E "unable to get PROM data from device %s\n", fore200e->name); | |
600 | return -EIO; | |
601 | } | |
602 | ||
603 | #if defined(__BIG_ENDIAN) | |
604 | ||
605 | #define swap_here(addr) (*((u32*)(addr)) = swab32( *((u32*)(addr)) )) | |
606 | ||
607 | /* MAC address is stored as little-endian */ | |
608 | swap_here(&prom->mac_addr[0]); | |
609 | swap_here(&prom->mac_addr[4]); | |
610 | #endif | |
611 | ||
612 | return 0; | |
613 | } | |
614 | ||
615 | ||
616 | static int | |
617 | fore200e_pca_proc_read(struct fore200e* fore200e, char *page) | |
618 | { | |
aff9d262 | 619 | struct pci_dev *pci_dev = to_pci_dev(fore200e->dev); |
1da177e4 LT |
620 | |
621 | return sprintf(page, " PCI bus/slot/function:\t%d/%d/%d\n", | |
622 | pci_dev->bus->number, PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn)); | |
623 | } | |
624 | ||
0efe5523 CH |
625 | static const struct fore200e_bus fore200e_pci_ops = { |
626 | .model_name = "PCA-200E", | |
627 | .proc_name = "pca200e", | |
628 | .descr_alignment = 32, | |
629 | .buffer_alignment = 4, | |
630 | .status_alignment = 32, | |
631 | .read = fore200e_pca_read, | |
632 | .write = fore200e_pca_write, | |
0efe5523 CH |
633 | .configure = fore200e_pca_configure, |
634 | .map = fore200e_pca_map, | |
635 | .reset = fore200e_pca_reset, | |
636 | .prom_read = fore200e_pca_prom_read, | |
637 | .unmap = fore200e_pca_unmap, | |
638 | .irq_check = fore200e_pca_irq_check, | |
639 | .irq_ack = fore200e_pca_irq_ack, | |
640 | .proc_read = fore200e_pca_proc_read, | |
641 | }; | |
e92481f9 | 642 | #endif /* CONFIG_PCI */ |
1da177e4 | 643 | |
e92481f9 | 644 | #ifdef CONFIG_SBUS |
1da177e4 | 645 | |
826b6cfc | 646 | static u32 fore200e_sba_read(volatile u32 __iomem *addr) |
1da177e4 LT |
647 | { |
648 | return sbus_readl(addr); | |
649 | } | |
650 | ||
826b6cfc | 651 | static void fore200e_sba_write(u32 val, volatile u32 __iomem *addr) |
1da177e4 LT |
652 | { |
653 | sbus_writel(val, addr); | |
654 | } | |
655 | ||
826b6cfc | 656 | static void fore200e_sba_irq_enable(struct fore200e *fore200e) |
1da177e4 | 657 | { |
826b6cfc DM |
658 | u32 hcr = fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_STICKY; |
659 | fore200e->bus->write(hcr | SBA200E_HCR_INTR_ENA, fore200e->regs.sba.hcr); | |
1da177e4 LT |
660 | } |
661 | ||
826b6cfc | 662 | static int fore200e_sba_irq_check(struct fore200e *fore200e) |
1da177e4 | 663 | { |
826b6cfc | 664 | return fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_INTR_REQ; |
1da177e4 LT |
665 | } |
666 | ||
826b6cfc | 667 | static void fore200e_sba_irq_ack(struct fore200e *fore200e) |
1da177e4 | 668 | { |
826b6cfc DM |
669 | u32 hcr = fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_STICKY; |
670 | fore200e->bus->write(hcr | SBA200E_HCR_INTR_CLR, fore200e->regs.sba.hcr); | |
1da177e4 LT |
671 | } |
672 | ||
826b6cfc | 673 | static void fore200e_sba_reset(struct fore200e *fore200e) |
1da177e4 | 674 | { |
826b6cfc DM |
675 | fore200e->bus->write(SBA200E_HCR_RESET, fore200e->regs.sba.hcr); |
676 | fore200e_spin(10); | |
677 | fore200e->bus->write(0, fore200e->regs.sba.hcr); | |
1da177e4 LT |
678 | } |
679 | ||
826b6cfc | 680 | static int __init fore200e_sba_map(struct fore200e *fore200e) |
1da177e4 | 681 | { |
aff9d262 | 682 | struct platform_device *op = to_platform_device(fore200e->dev); |
826b6cfc | 683 | unsigned int bursts; |
1da177e4 | 684 | |
826b6cfc DM |
685 | /* gain access to the SBA specific registers */ |
686 | fore200e->regs.sba.hcr = of_ioremap(&op->resource[0], 0, SBA200E_HCR_LENGTH, "SBA HCR"); | |
687 | fore200e->regs.sba.bsr = of_ioremap(&op->resource[1], 0, SBA200E_BSR_LENGTH, "SBA BSR"); | |
688 | fore200e->regs.sba.isr = of_ioremap(&op->resource[2], 0, SBA200E_ISR_LENGTH, "SBA ISR"); | |
689 | fore200e->virt_base = of_ioremap(&op->resource[3], 0, SBA200E_RAM_LENGTH, "SBA RAM"); | |
1da177e4 | 690 | |
826b6cfc DM |
691 | if (!fore200e->virt_base) { |
692 | printk(FORE200E "unable to map RAM of device %s\n", fore200e->name); | |
693 | return -EFAULT; | |
694 | } | |
1da177e4 | 695 | |
826b6cfc | 696 | DPRINTK(1, "device %s mapped to 0x%p\n", fore200e->name, fore200e->virt_base); |
1da177e4 | 697 | |
826b6cfc | 698 | fore200e->bus->write(0x02, fore200e->regs.sba.isr); /* XXX hardwired interrupt level */ |
1da177e4 | 699 | |
826b6cfc | 700 | /* get the supported DVMA burst sizes */ |
61c7a080 | 701 | bursts = of_getintprop_default(op->dev.of_node->parent, "burst-sizes", 0x00); |
1da177e4 | 702 | |
826b6cfc DM |
703 | if (sbus_can_dma_64bit()) |
704 | sbus_set_sbus64(&op->dev, bursts); | |
1da177e4 | 705 | |
826b6cfc DM |
706 | fore200e->state = FORE200E_STATE_MAP; |
707 | return 0; | |
1da177e4 LT |
708 | } |
709 | ||
826b6cfc | 710 | static void fore200e_sba_unmap(struct fore200e *fore200e) |
1da177e4 | 711 | { |
aff9d262 | 712 | struct platform_device *op = to_platform_device(fore200e->dev); |
1da177e4 | 713 | |
826b6cfc DM |
714 | of_iounmap(&op->resource[0], fore200e->regs.sba.hcr, SBA200E_HCR_LENGTH); |
715 | of_iounmap(&op->resource[1], fore200e->regs.sba.bsr, SBA200E_BSR_LENGTH); | |
716 | of_iounmap(&op->resource[2], fore200e->regs.sba.isr, SBA200E_ISR_LENGTH); | |
717 | of_iounmap(&op->resource[3], fore200e->virt_base, SBA200E_RAM_LENGTH); | |
718 | } | |
1da177e4 | 719 | |
826b6cfc | 720 | static int __init fore200e_sba_configure(struct fore200e *fore200e) |
1da177e4 | 721 | { |
826b6cfc DM |
722 | fore200e->state = FORE200E_STATE_CONFIGURE; |
723 | return 0; | |
1da177e4 LT |
724 | } |
725 | ||
826b6cfc | 726 | static int __init fore200e_sba_prom_read(struct fore200e *fore200e, struct prom_data *prom) |
1da177e4 | 727 | { |
aff9d262 | 728 | struct platform_device *op = to_platform_device(fore200e->dev); |
826b6cfc DM |
729 | const u8 *prop; |
730 | int len; | |
1da177e4 | 731 | |
61c7a080 | 732 | prop = of_get_property(op->dev.of_node, "madaddrlo2", &len); |
826b6cfc DM |
733 | if (!prop) |
734 | return -ENODEV; | |
735 | memcpy(&prom->mac_addr[4], prop, 4); | |
1da177e4 | 736 | |
61c7a080 | 737 | prop = of_get_property(op->dev.of_node, "madaddrhi4", &len); |
826b6cfc DM |
738 | if (!prop) |
739 | return -ENODEV; | |
740 | memcpy(&prom->mac_addr[2], prop, 4); | |
1da177e4 | 741 | |
61c7a080 GL |
742 | prom->serial_number = of_getintprop_default(op->dev.of_node, |
743 | "serialnumber", 0); | |
744 | prom->hw_revision = of_getintprop_default(op->dev.of_node, | |
745 | "promversion", 0); | |
1da177e4 | 746 | |
826b6cfc | 747 | return 0; |
1da177e4 LT |
748 | } |
749 | ||
826b6cfc | 750 | static int fore200e_sba_proc_read(struct fore200e *fore200e, char *page) |
1da177e4 | 751 | { |
aff9d262 | 752 | struct platform_device *op = to_platform_device(fore200e->dev); |
826b6cfc | 753 | const struct linux_prom_registers *regs; |
1da177e4 | 754 | |
61c7a080 | 755 | regs = of_get_property(op->dev.of_node, "reg", NULL); |
1da177e4 | 756 | |
ee5b60eb RH |
757 | return sprintf(page, " SBUS slot/device:\t\t%d/'%pOFn'\n", |
758 | (regs ? regs->which_io : 0), op->dev.of_node); | |
1da177e4 | 759 | } |
1da177e4 | 760 | |
0efe5523 CH |
761 | static const struct fore200e_bus fore200e_sbus_ops = { |
762 | .model_name = "SBA-200E", | |
763 | .proc_name = "sba200e", | |
764 | .descr_alignment = 32, | |
66604641 | 765 | .buffer_alignment = 64, |
0efe5523 CH |
766 | .status_alignment = 32, |
767 | .read = fore200e_sba_read, | |
768 | .write = fore200e_sba_write, | |
0efe5523 CH |
769 | .configure = fore200e_sba_configure, |
770 | .map = fore200e_sba_map, | |
771 | .reset = fore200e_sba_reset, | |
772 | .prom_read = fore200e_sba_prom_read, | |
773 | .unmap = fore200e_sba_unmap, | |
774 | .irq_enable = fore200e_sba_irq_enable, | |
775 | .irq_check = fore200e_sba_irq_check, | |
776 | .irq_ack = fore200e_sba_irq_ack, | |
777 | .proc_read = fore200e_sba_proc_read, | |
778 | }; | |
779 | #endif /* CONFIG_SBUS */ | |
1da177e4 LT |
780 | |
781 | static void | |
782 | fore200e_tx_irq(struct fore200e* fore200e) | |
783 | { | |
784 | struct host_txq* txq = &fore200e->host_txq; | |
785 | struct host_txq_entry* entry; | |
786 | struct atm_vcc* vcc; | |
787 | struct fore200e_vc_map* vc_map; | |
788 | ||
789 | if (fore200e->host_txq.txing == 0) | |
790 | return; | |
791 | ||
792 | for (;;) { | |
793 | ||
794 | entry = &txq->host_entry[ txq->tail ]; | |
795 | ||
796 | if ((*entry->status & STATUS_COMPLETE) == 0) { | |
797 | break; | |
798 | } | |
799 | ||
800 | DPRINTK(3, "TX COMPLETED: entry = %p [tail = %d], vc_map = %p, skb = %p\n", | |
801 | entry, txq->tail, entry->vc_map, entry->skb); | |
802 | ||
803 | /* free copy of misaligned data */ | |
a2c1aa54 | 804 | kfree(entry->data); |
1da177e4 LT |
805 | |
806 | /* remove DMA mapping */ | |
f3fadcb5 | 807 | dma_unmap_single(fore200e->dev, entry->tpd->tsd[ 0 ].buffer, entry->tpd->tsd[ 0 ].length, |
1da177e4 LT |
808 | DMA_TO_DEVICE); |
809 | ||
810 | vc_map = entry->vc_map; | |
811 | ||
812 | /* vcc closed since the time the entry was submitted for tx? */ | |
813 | if ((vc_map->vcc == NULL) || | |
814 | (test_bit(ATM_VF_READY, &vc_map->vcc->flags) == 0)) { | |
815 | ||
816 | DPRINTK(1, "no ready vcc found for PDU sent on device %d\n", | |
817 | fore200e->atm_dev->number); | |
818 | ||
819 | dev_kfree_skb_any(entry->skb); | |
820 | } | |
821 | else { | |
822 | ASSERT(vc_map->vcc); | |
823 | ||
824 | /* vcc closed then immediately re-opened? */ | |
825 | if (vc_map->incarn != entry->incarn) { | |
826 | ||
827 | /* when a vcc is closed, some PDUs may be still pending in the tx queue. | |
828 | if the same vcc is immediately re-opened, those pending PDUs must | |
829 | not be popped after the completion of their emission, as they refer | |
830 | to the prior incarnation of that vcc. otherwise, sk_atm(vcc)->sk_wmem_alloc | |
831 | would be decremented by the size of the (unrelated) skb, possibly | |
832 | leading to a negative sk->sk_wmem_alloc count, ultimately freezing the vcc. | |
833 | we thus bind the tx entry to the current incarnation of the vcc | |
834 | when the entry is submitted for tx. When the tx later completes, | |
835 | if the incarnation number of the tx entry does not match the one | |
836 | of the vcc, then this implies that the vcc has been closed then re-opened. | |
837 | we thus just drop the skb here. */ | |
838 | ||
839 | DPRINTK(1, "vcc closed-then-re-opened; dropping PDU sent on device %d\n", | |
840 | fore200e->atm_dev->number); | |
841 | ||
842 | dev_kfree_skb_any(entry->skb); | |
843 | } | |
844 | else { | |
845 | vcc = vc_map->vcc; | |
846 | ASSERT(vcc); | |
847 | ||
848 | /* notify tx completion */ | |
849 | if (vcc->pop) { | |
850 | vcc->pop(vcc, entry->skb); | |
851 | } | |
852 | else { | |
853 | dev_kfree_skb_any(entry->skb); | |
854 | } | |
14afee4b | 855 | |
1da177e4 LT |
856 | /* check error condition */ |
857 | if (*entry->status & STATUS_ERROR) | |
858 | atomic_inc(&vcc->stats->tx_err); | |
859 | else | |
860 | atomic_inc(&vcc->stats->tx); | |
861 | } | |
862 | } | |
863 | ||
864 | *entry->status = STATUS_FREE; | |
865 | ||
866 | fore200e->host_txq.txing--; | |
867 | ||
868 | FORE200E_NEXT_ENTRY(txq->tail, QUEUE_SIZE_TX); | |
869 | } | |
870 | } | |
871 | ||
872 | ||
873 | #ifdef FORE200E_BSQ_DEBUG | |
874 | int bsq_audit(int where, struct host_bsq* bsq, int scheme, int magn) | |
875 | { | |
876 | struct buffer* buffer; | |
877 | int count = 0; | |
878 | ||
879 | buffer = bsq->freebuf; | |
880 | while (buffer) { | |
881 | ||
882 | if (buffer->supplied) { | |
883 | printk(FORE200E "bsq_audit(%d): queue %d.%d, buffer %ld supplied but in free list!\n", | |
884 | where, scheme, magn, buffer->index); | |
885 | } | |
886 | ||
887 | if (buffer->magn != magn) { | |
888 | printk(FORE200E "bsq_audit(%d): queue %d.%d, buffer %ld, unexpected magn = %d\n", | |
889 | where, scheme, magn, buffer->index, buffer->magn); | |
890 | } | |
891 | ||
892 | if (buffer->scheme != scheme) { | |
893 | printk(FORE200E "bsq_audit(%d): queue %d.%d, buffer %ld, unexpected scheme = %d\n", | |
894 | where, scheme, magn, buffer->index, buffer->scheme); | |
895 | } | |
896 | ||
897 | if ((buffer->index < 0) || (buffer->index >= fore200e_rx_buf_nbr[ scheme ][ magn ])) { | |
898 | printk(FORE200E "bsq_audit(%d): queue %d.%d, out of range buffer index = %ld !\n", | |
899 | where, scheme, magn, buffer->index); | |
900 | } | |
901 | ||
902 | count++; | |
903 | buffer = buffer->next; | |
904 | } | |
905 | ||
906 | if (count != bsq->freebuf_count) { | |
907 | printk(FORE200E "bsq_audit(%d): queue %d.%d, %d bufs in free list, but freebuf_count = %d\n", | |
908 | where, scheme, magn, count, bsq->freebuf_count); | |
909 | } | |
910 | return 0; | |
911 | } | |
912 | #endif | |
913 | ||
914 | ||
915 | static void | |
916 | fore200e_supply(struct fore200e* fore200e) | |
917 | { | |
918 | int scheme, magn, i; | |
919 | ||
920 | struct host_bsq* bsq; | |
921 | struct host_bsq_entry* entry; | |
922 | struct buffer* buffer; | |
923 | ||
924 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { | |
925 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { | |
926 | ||
927 | bsq = &fore200e->host_bsq[ scheme ][ magn ]; | |
928 | ||
929 | #ifdef FORE200E_BSQ_DEBUG | |
930 | bsq_audit(1, bsq, scheme, magn); | |
931 | #endif | |
932 | while (bsq->freebuf_count >= RBD_BLK_SIZE) { | |
933 | ||
934 | DPRINTK(2, "supplying %d rx buffers to queue %d / %d, freebuf_count = %d\n", | |
935 | RBD_BLK_SIZE, scheme, magn, bsq->freebuf_count); | |
936 | ||
937 | entry = &bsq->host_entry[ bsq->head ]; | |
938 | ||
939 | for (i = 0; i < RBD_BLK_SIZE; i++) { | |
940 | ||
941 | /* take the first buffer in the free buffer list */ | |
942 | buffer = bsq->freebuf; | |
943 | if (!buffer) { | |
944 | printk(FORE200E "no more free bufs in queue %d.%d, but freebuf_count = %d\n", | |
945 | scheme, magn, bsq->freebuf_count); | |
946 | return; | |
947 | } | |
948 | bsq->freebuf = buffer->next; | |
949 | ||
950 | #ifdef FORE200E_BSQ_DEBUG | |
951 | if (buffer->supplied) | |
952 | printk(FORE200E "queue %d.%d, buffer %lu already supplied\n", | |
953 | scheme, magn, buffer->index); | |
954 | buffer->supplied = 1; | |
955 | #endif | |
956 | entry->rbd_block->rbd[ i ].buffer_haddr = buffer->data.dma_addr; | |
957 | entry->rbd_block->rbd[ i ].handle = FORE200E_BUF2HDL(buffer); | |
958 | } | |
959 | ||
960 | FORE200E_NEXT_ENTRY(bsq->head, QUEUE_SIZE_BS); | |
961 | ||
962 | /* decrease accordingly the number of free rx buffers */ | |
963 | bsq->freebuf_count -= RBD_BLK_SIZE; | |
964 | ||
965 | *entry->status = STATUS_PENDING; | |
966 | fore200e->bus->write(entry->rbd_block_dma, &entry->cp_entry->rbd_block_haddr); | |
967 | } | |
968 | } | |
969 | } | |
970 | } | |
971 | ||
972 | ||
973 | static int | |
974 | fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rpd) | |
975 | { | |
976 | struct sk_buff* skb; | |
977 | struct buffer* buffer; | |
978 | struct fore200e_vcc* fore200e_vcc; | |
979 | int i, pdu_len = 0; | |
980 | #ifdef FORE200E_52BYTE_AAL0_SDU | |
981 | u32 cell_header = 0; | |
982 | #endif | |
983 | ||
984 | ASSERT(vcc); | |
985 | ||
986 | fore200e_vcc = FORE200E_VCC(vcc); | |
987 | ASSERT(fore200e_vcc); | |
988 | ||
989 | #ifdef FORE200E_52BYTE_AAL0_SDU | |
990 | if ((vcc->qos.aal == ATM_AAL0) && (vcc->qos.rxtp.max_sdu == ATM_AAL0_SDU)) { | |
991 | ||
992 | cell_header = (rpd->atm_header.gfc << ATM_HDR_GFC_SHIFT) | | |
993 | (rpd->atm_header.vpi << ATM_HDR_VPI_SHIFT) | | |
994 | (rpd->atm_header.vci << ATM_HDR_VCI_SHIFT) | | |
995 | (rpd->atm_header.plt << ATM_HDR_PTI_SHIFT) | | |
996 | rpd->atm_header.clp; | |
997 | pdu_len = 4; | |
998 | } | |
999 | #endif | |
1000 | ||
1001 | /* compute total PDU length */ | |
1002 | for (i = 0; i < rpd->nseg; i++) | |
1003 | pdu_len += rpd->rsd[ i ].length; | |
1004 | ||
1005 | skb = alloc_skb(pdu_len, GFP_ATOMIC); | |
1006 | if (skb == NULL) { | |
1007 | DPRINTK(2, "unable to alloc new skb, rx PDU length = %d\n", pdu_len); | |
1008 | ||
1009 | atomic_inc(&vcc->stats->rx_drop); | |
1010 | return -ENOMEM; | |
1011 | } | |
1012 | ||
a61bbcf2 | 1013 | __net_timestamp(skb); |
1da177e4 LT |
1014 | |
1015 | #ifdef FORE200E_52BYTE_AAL0_SDU | |
1016 | if (cell_header) { | |
1017 | *((u32*)skb_put(skb, 4)) = cell_header; | |
1018 | } | |
1019 | #endif | |
1020 | ||
1021 | /* reassemble segments */ | |
1022 | for (i = 0; i < rpd->nseg; i++) { | |
1023 | ||
1024 | /* rebuild rx buffer address from rsd handle */ | |
1025 | buffer = FORE200E_HDL2BUF(rpd->rsd[ i ].handle); | |
1026 | ||
1027 | /* Make device DMA transfer visible to CPU. */ | |
f3fadcb5 CH |
1028 | dma_sync_single_for_cpu(fore200e->dev, buffer->data.dma_addr, |
1029 | rpd->rsd[i].length, DMA_FROM_DEVICE); | |
1da177e4 | 1030 | |
59ae1d12 | 1031 | skb_put_data(skb, buffer->data.align_addr, rpd->rsd[i].length); |
1da177e4 LT |
1032 | |
1033 | /* Now let the device get at it again. */ | |
f3fadcb5 CH |
1034 | dma_sync_single_for_device(fore200e->dev, buffer->data.dma_addr, |
1035 | rpd->rsd[i].length, DMA_FROM_DEVICE); | |
1da177e4 LT |
1036 | } |
1037 | ||
1038 | DPRINTK(3, "rx skb: len = %d, truesize = %d\n", skb->len, skb->truesize); | |
1039 | ||
1040 | if (pdu_len < fore200e_vcc->rx_min_pdu) | |
1041 | fore200e_vcc->rx_min_pdu = pdu_len; | |
1042 | if (pdu_len > fore200e_vcc->rx_max_pdu) | |
1043 | fore200e_vcc->rx_max_pdu = pdu_len; | |
1044 | fore200e_vcc->rx_pdu++; | |
1045 | ||
1046 | /* push PDU */ | |
1047 | if (atm_charge(vcc, skb->truesize) == 0) { | |
1048 | ||
1049 | DPRINTK(2, "receive buffers saturated for %d.%d.%d - PDU dropped\n", | |
1050 | vcc->itf, vcc->vpi, vcc->vci); | |
1051 | ||
1052 | dev_kfree_skb_any(skb); | |
1053 | ||
1054 | atomic_inc(&vcc->stats->rx_drop); | |
1055 | return -ENOMEM; | |
1056 | } | |
1057 | ||
1da177e4 LT |
1058 | vcc->push(vcc, skb); |
1059 | atomic_inc(&vcc->stats->rx); | |
1060 | ||
1da177e4 LT |
1061 | return 0; |
1062 | } | |
1063 | ||
1064 | ||
1065 | static void | |
1066 | fore200e_collect_rpd(struct fore200e* fore200e, struct rpd* rpd) | |
1067 | { | |
1068 | struct host_bsq* bsq; | |
1069 | struct buffer* buffer; | |
1070 | int i; | |
1071 | ||
1072 | for (i = 0; i < rpd->nseg; i++) { | |
1073 | ||
1074 | /* rebuild rx buffer address from rsd handle */ | |
1075 | buffer = FORE200E_HDL2BUF(rpd->rsd[ i ].handle); | |
1076 | ||
1077 | bsq = &fore200e->host_bsq[ buffer->scheme ][ buffer->magn ]; | |
1078 | ||
1079 | #ifdef FORE200E_BSQ_DEBUG | |
1080 | bsq_audit(2, bsq, buffer->scheme, buffer->magn); | |
1081 | ||
1082 | if (buffer->supplied == 0) | |
1083 | printk(FORE200E "queue %d.%d, buffer %ld was not supplied\n", | |
1084 | buffer->scheme, buffer->magn, buffer->index); | |
1085 | buffer->supplied = 0; | |
1086 | #endif | |
1087 | ||
1088 | /* re-insert the buffer into the free buffer list */ | |
1089 | buffer->next = bsq->freebuf; | |
1090 | bsq->freebuf = buffer; | |
1091 | ||
1092 | /* then increment the number of free rx buffers */ | |
1093 | bsq->freebuf_count++; | |
1094 | } | |
1095 | } | |
1096 | ||
1097 | ||
1098 | static void | |
1099 | fore200e_rx_irq(struct fore200e* fore200e) | |
1100 | { | |
1101 | struct host_rxq* rxq = &fore200e->host_rxq; | |
1102 | struct host_rxq_entry* entry; | |
1103 | struct atm_vcc* vcc; | |
1104 | struct fore200e_vc_map* vc_map; | |
1105 | ||
1106 | for (;;) { | |
1107 | ||
1108 | entry = &rxq->host_entry[ rxq->head ]; | |
1109 | ||
1110 | /* no more received PDUs */ | |
1111 | if ((*entry->status & STATUS_COMPLETE) == 0) | |
1112 | break; | |
1113 | ||
1114 | vc_map = FORE200E_VC_MAP(fore200e, entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); | |
1115 | ||
1116 | if ((vc_map->vcc == NULL) || | |
1117 | (test_bit(ATM_VF_READY, &vc_map->vcc->flags) == 0)) { | |
1118 | ||
1119 | DPRINTK(1, "no ready VC found for PDU received on %d.%d.%d\n", | |
1120 | fore200e->atm_dev->number, | |
1121 | entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); | |
1122 | } | |
1123 | else { | |
1124 | vcc = vc_map->vcc; | |
1125 | ASSERT(vcc); | |
1126 | ||
1127 | if ((*entry->status & STATUS_ERROR) == 0) { | |
1128 | ||
1129 | fore200e_push_rpd(fore200e, vcc, entry->rpd); | |
1130 | } | |
1131 | else { | |
1132 | DPRINTK(2, "damaged PDU on %d.%d.%d\n", | |
1133 | fore200e->atm_dev->number, | |
1134 | entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); | |
1135 | atomic_inc(&vcc->stats->rx_err); | |
1136 | } | |
1137 | } | |
1138 | ||
1139 | FORE200E_NEXT_ENTRY(rxq->head, QUEUE_SIZE_RX); | |
1140 | ||
1141 | fore200e_collect_rpd(fore200e, entry->rpd); | |
1142 | ||
1143 | /* rewrite the rpd address to ack the received PDU */ | |
1144 | fore200e->bus->write(entry->rpd_dma, &entry->cp_entry->rpd_haddr); | |
1145 | *entry->status = STATUS_FREE; | |
1146 | ||
1147 | fore200e_supply(fore200e); | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | ||
1152 | #ifndef FORE200E_USE_TASKLET | |
1153 | static void | |
1154 | fore200e_irq(struct fore200e* fore200e) | |
1155 | { | |
1156 | unsigned long flags; | |
1157 | ||
1158 | spin_lock_irqsave(&fore200e->q_lock, flags); | |
1159 | fore200e_rx_irq(fore200e); | |
1160 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | |
1161 | ||
1162 | spin_lock_irqsave(&fore200e->q_lock, flags); | |
1163 | fore200e_tx_irq(fore200e); | |
1164 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | |
1165 | } | |
1166 | #endif | |
1167 | ||
1168 | ||
1169 | static irqreturn_t | |
7d12e780 | 1170 | fore200e_interrupt(int irq, void* dev) |
1da177e4 LT |
1171 | { |
1172 | struct fore200e* fore200e = FORE200E_DEV((struct atm_dev*)dev); | |
1173 | ||
1174 | if (fore200e->bus->irq_check(fore200e) == 0) { | |
1175 | ||
1176 | DPRINTK(3, "interrupt NOT triggered by device %d\n", fore200e->atm_dev->number); | |
1177 | return IRQ_NONE; | |
1178 | } | |
1179 | DPRINTK(3, "interrupt triggered by device %d\n", fore200e->atm_dev->number); | |
1180 | ||
1181 | #ifdef FORE200E_USE_TASKLET | |
1182 | tasklet_schedule(&fore200e->tx_tasklet); | |
1183 | tasklet_schedule(&fore200e->rx_tasklet); | |
1184 | #else | |
1185 | fore200e_irq(fore200e); | |
1186 | #endif | |
1187 | ||
1188 | fore200e->bus->irq_ack(fore200e); | |
1189 | return IRQ_HANDLED; | |
1190 | } | |
1191 | ||
1192 | ||
1193 | #ifdef FORE200E_USE_TASKLET | |
1194 | static void | |
1195 | fore200e_tx_tasklet(unsigned long data) | |
1196 | { | |
1197 | struct fore200e* fore200e = (struct fore200e*) data; | |
1198 | unsigned long flags; | |
1199 | ||
1200 | DPRINTK(3, "tx tasklet scheduled for device %d\n", fore200e->atm_dev->number); | |
1201 | ||
1202 | spin_lock_irqsave(&fore200e->q_lock, flags); | |
1203 | fore200e_tx_irq(fore200e); | |
1204 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | |
1205 | } | |
1206 | ||
1207 | ||
1208 | static void | |
1209 | fore200e_rx_tasklet(unsigned long data) | |
1210 | { | |
1211 | struct fore200e* fore200e = (struct fore200e*) data; | |
1212 | unsigned long flags; | |
1213 | ||
1214 | DPRINTK(3, "rx tasklet scheduled for device %d\n", fore200e->atm_dev->number); | |
1215 | ||
1216 | spin_lock_irqsave(&fore200e->q_lock, flags); | |
1217 | fore200e_rx_irq((struct fore200e*) data); | |
1218 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | |
1219 | } | |
1220 | #endif | |
1221 | ||
1222 | ||
1223 | static int | |
1224 | fore200e_select_scheme(struct atm_vcc* vcc) | |
1225 | { | |
1226 | /* fairly balance the VCs over (identical) buffer schemes */ | |
1227 | int scheme = vcc->vci % 2 ? BUFFER_SCHEME_ONE : BUFFER_SCHEME_TWO; | |
1228 | ||
1229 | DPRINTK(1, "VC %d.%d.%d uses buffer scheme %d\n", | |
1230 | vcc->itf, vcc->vpi, vcc->vci, scheme); | |
1231 | ||
1232 | return scheme; | |
1233 | } | |
1234 | ||
1235 | ||
1236 | static int | |
1237 | fore200e_activate_vcin(struct fore200e* fore200e, int activate, struct atm_vcc* vcc, int mtu) | |
1238 | { | |
1239 | struct host_cmdq* cmdq = &fore200e->host_cmdq; | |
1240 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; | |
1241 | struct activate_opcode activ_opcode; | |
1242 | struct deactivate_opcode deactiv_opcode; | |
1243 | struct vpvc vpvc; | |
1244 | int ok; | |
1245 | enum fore200e_aal aal = fore200e_atm2fore_aal(vcc->qos.aal); | |
1246 | ||
1247 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); | |
1248 | ||
1249 | if (activate) { | |
1250 | FORE200E_VCC(vcc)->scheme = fore200e_select_scheme(vcc); | |
1251 | ||
1252 | activ_opcode.opcode = OPCODE_ACTIVATE_VCIN; | |
1253 | activ_opcode.aal = aal; | |
1254 | activ_opcode.scheme = FORE200E_VCC(vcc)->scheme; | |
1255 | activ_opcode.pad = 0; | |
1256 | } | |
1257 | else { | |
1258 | deactiv_opcode.opcode = OPCODE_DEACTIVATE_VCIN; | |
1259 | deactiv_opcode.pad = 0; | |
1260 | } | |
1261 | ||
1262 | vpvc.vci = vcc->vci; | |
1263 | vpvc.vpi = vcc->vpi; | |
1264 | ||
1265 | *entry->status = STATUS_PENDING; | |
1266 | ||
1267 | if (activate) { | |
1268 | ||
1269 | #ifdef FORE200E_52BYTE_AAL0_SDU | |
1270 | mtu = 48; | |
1271 | #endif | |
1272 | /* the MTU is not used by the cp, except in the case of AAL0 */ | |
1273 | fore200e->bus->write(mtu, &entry->cp_entry->cmd.activate_block.mtu); | |
1274 | fore200e->bus->write(*(u32*)&vpvc, (u32 __iomem *)&entry->cp_entry->cmd.activate_block.vpvc); | |
1275 | fore200e->bus->write(*(u32*)&activ_opcode, (u32 __iomem *)&entry->cp_entry->cmd.activate_block.opcode); | |
1276 | } | |
1277 | else { | |
1278 | fore200e->bus->write(*(u32*)&vpvc, (u32 __iomem *)&entry->cp_entry->cmd.deactivate_block.vpvc); | |
1279 | fore200e->bus->write(*(u32*)&deactiv_opcode, (u32 __iomem *)&entry->cp_entry->cmd.deactivate_block.opcode); | |
1280 | } | |
1281 | ||
1282 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); | |
1283 | ||
1284 | *entry->status = STATUS_FREE; | |
1285 | ||
1286 | if (ok == 0) { | |
1287 | printk(FORE200E "unable to %s VC %d.%d.%d\n", | |
1288 | activate ? "open" : "close", vcc->itf, vcc->vpi, vcc->vci); | |
1289 | return -EIO; | |
1290 | } | |
1291 | ||
1292 | DPRINTK(1, "VC %d.%d.%d %sed\n", vcc->itf, vcc->vpi, vcc->vci, | |
1293 | activate ? "open" : "clos"); | |
1294 | ||
1295 | return 0; | |
1296 | } | |
1297 | ||
1298 | ||
1299 | #define FORE200E_MAX_BACK2BACK_CELLS 255 /* XXX depends on CDVT */ | |
1300 | ||
1301 | static void | |
1302 | fore200e_rate_ctrl(struct atm_qos* qos, struct tpd_rate* rate) | |
1303 | { | |
1304 | if (qos->txtp.max_pcr < ATM_OC3_PCR) { | |
1305 | ||
1306 | /* compute the data cells to idle cells ratio from the tx PCR */ | |
1307 | rate->data_cells = qos->txtp.max_pcr * FORE200E_MAX_BACK2BACK_CELLS / ATM_OC3_PCR; | |
1308 | rate->idle_cells = FORE200E_MAX_BACK2BACK_CELLS - rate->data_cells; | |
1309 | } | |
1310 | else { | |
1311 | /* disable rate control */ | |
1312 | rate->data_cells = rate->idle_cells = 0; | |
1313 | } | |
1314 | } | |
1315 | ||
1316 | ||
1317 | static int | |
1318 | fore200e_open(struct atm_vcc *vcc) | |
1319 | { | |
1320 | struct fore200e* fore200e = FORE200E_DEV(vcc->dev); | |
1321 | struct fore200e_vcc* fore200e_vcc; | |
1322 | struct fore200e_vc_map* vc_map; | |
1323 | unsigned long flags; | |
1324 | int vci = vcc->vci; | |
1325 | short vpi = vcc->vpi; | |
1326 | ||
1327 | ASSERT((vpi >= 0) && (vpi < 1<<FORE200E_VPI_BITS)); | |
1328 | ASSERT((vci >= 0) && (vci < 1<<FORE200E_VCI_BITS)); | |
1329 | ||
1330 | spin_lock_irqsave(&fore200e->q_lock, flags); | |
1331 | ||
1332 | vc_map = FORE200E_VC_MAP(fore200e, vpi, vci); | |
1333 | if (vc_map->vcc) { | |
1334 | ||
1335 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | |
1336 | ||
1337 | printk(FORE200E "VC %d.%d.%d already in use\n", | |
1338 | fore200e->atm_dev->number, vpi, vci); | |
1339 | ||
1340 | return -EINVAL; | |
1341 | } | |
1342 | ||
1343 | vc_map->vcc = vcc; | |
1344 | ||
1345 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | |
1346 | ||
1f8a5fb8 | 1347 | fore200e_vcc = kzalloc(sizeof(struct fore200e_vcc), GFP_ATOMIC); |
1da177e4 LT |
1348 | if (fore200e_vcc == NULL) { |
1349 | vc_map->vcc = NULL; | |
1350 | return -ENOMEM; | |
1351 | } | |
1352 | ||
1353 | DPRINTK(2, "opening %d.%d.%d:%d QoS = (tx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d; " | |
1354 | "rx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d)\n", | |
1355 | vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), | |
1356 | fore200e_traffic_class[ vcc->qos.txtp.traffic_class ], | |
1357 | vcc->qos.txtp.min_pcr, vcc->qos.txtp.max_pcr, vcc->qos.txtp.max_cdv, vcc->qos.txtp.max_sdu, | |
1358 | fore200e_traffic_class[ vcc->qos.rxtp.traffic_class ], | |
1359 | vcc->qos.rxtp.min_pcr, vcc->qos.rxtp.max_pcr, vcc->qos.rxtp.max_cdv, vcc->qos.rxtp.max_sdu); | |
1360 | ||
1361 | /* pseudo-CBR bandwidth requested? */ | |
1362 | if ((vcc->qos.txtp.traffic_class == ATM_CBR) && (vcc->qos.txtp.max_pcr > 0)) { | |
1363 | ||
bfbf3c09 | 1364 | mutex_lock(&fore200e->rate_mtx); |
1da177e4 | 1365 | if (fore200e->available_cell_rate < vcc->qos.txtp.max_pcr) { |
bfbf3c09 | 1366 | mutex_unlock(&fore200e->rate_mtx); |
1da177e4 | 1367 | |
1f8a5fb8 | 1368 | kfree(fore200e_vcc); |
1da177e4 LT |
1369 | vc_map->vcc = NULL; |
1370 | return -EAGAIN; | |
1371 | } | |
1372 | ||
1373 | /* reserve bandwidth */ | |
1374 | fore200e->available_cell_rate -= vcc->qos.txtp.max_pcr; | |
bfbf3c09 | 1375 | mutex_unlock(&fore200e->rate_mtx); |
1da177e4 LT |
1376 | } |
1377 | ||
1378 | vcc->itf = vcc->dev->number; | |
1379 | ||
1380 | set_bit(ATM_VF_PARTIAL,&vcc->flags); | |
1381 | set_bit(ATM_VF_ADDR, &vcc->flags); | |
1382 | ||
1383 | vcc->dev_data = fore200e_vcc; | |
1384 | ||
1385 | if (fore200e_activate_vcin(fore200e, 1, vcc, vcc->qos.rxtp.max_sdu) < 0) { | |
1386 | ||
1387 | vc_map->vcc = NULL; | |
1388 | ||
1389 | clear_bit(ATM_VF_ADDR, &vcc->flags); | |
1390 | clear_bit(ATM_VF_PARTIAL,&vcc->flags); | |
1391 | ||
1392 | vcc->dev_data = NULL; | |
1393 | ||
1394 | fore200e->available_cell_rate += vcc->qos.txtp.max_pcr; | |
1395 | ||
1f8a5fb8 | 1396 | kfree(fore200e_vcc); |
1da177e4 LT |
1397 | return -EINVAL; |
1398 | } | |
1399 | ||
1400 | /* compute rate control parameters */ | |
1401 | if ((vcc->qos.txtp.traffic_class == ATM_CBR) && (vcc->qos.txtp.max_pcr > 0)) { | |
1402 | ||
1403 | fore200e_rate_ctrl(&vcc->qos, &fore200e_vcc->rate); | |
1404 | set_bit(ATM_VF_HASQOS, &vcc->flags); | |
1405 | ||
1406 | DPRINTK(3, "tx on %d.%d.%d:%d, tx PCR = %d, rx PCR = %d, data_cells = %u, idle_cells = %u\n", | |
1407 | vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), | |
1408 | vcc->qos.txtp.max_pcr, vcc->qos.rxtp.max_pcr, | |
1409 | fore200e_vcc->rate.data_cells, fore200e_vcc->rate.idle_cells); | |
1410 | } | |
1411 | ||
1412 | fore200e_vcc->tx_min_pdu = fore200e_vcc->rx_min_pdu = MAX_PDU_SIZE + 1; | |
1413 | fore200e_vcc->tx_max_pdu = fore200e_vcc->rx_max_pdu = 0; | |
1414 | fore200e_vcc->tx_pdu = fore200e_vcc->rx_pdu = 0; | |
1415 | ||
1416 | /* new incarnation of the vcc */ | |
1417 | vc_map->incarn = ++fore200e->incarn_count; | |
1418 | ||
1419 | /* VC unusable before this flag is set */ | |
1420 | set_bit(ATM_VF_READY, &vcc->flags); | |
1421 | ||
1422 | return 0; | |
1423 | } | |
1424 | ||
1425 | ||
1426 | static void | |
1427 | fore200e_close(struct atm_vcc* vcc) | |
1428 | { | |
1429 | struct fore200e* fore200e = FORE200E_DEV(vcc->dev); | |
1430 | struct fore200e_vcc* fore200e_vcc; | |
1431 | struct fore200e_vc_map* vc_map; | |
1432 | unsigned long flags; | |
1433 | ||
1434 | ASSERT(vcc); | |
1435 | ASSERT((vcc->vpi >= 0) && (vcc->vpi < 1<<FORE200E_VPI_BITS)); | |
1436 | ASSERT((vcc->vci >= 0) && (vcc->vci < 1<<FORE200E_VCI_BITS)); | |
1437 | ||
1438 | DPRINTK(2, "closing %d.%d.%d:%d\n", vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal)); | |
1439 | ||
1440 | clear_bit(ATM_VF_READY, &vcc->flags); | |
1441 | ||
1442 | fore200e_activate_vcin(fore200e, 0, vcc, 0); | |
1443 | ||
1444 | spin_lock_irqsave(&fore200e->q_lock, flags); | |
1445 | ||
1446 | vc_map = FORE200E_VC_MAP(fore200e, vcc->vpi, vcc->vci); | |
1447 | ||
1448 | /* the vc is no longer considered as "in use" by fore200e_open() */ | |
1449 | vc_map->vcc = NULL; | |
1450 | ||
1451 | vcc->itf = vcc->vci = vcc->vpi = 0; | |
1452 | ||
1453 | fore200e_vcc = FORE200E_VCC(vcc); | |
1454 | vcc->dev_data = NULL; | |
1455 | ||
1456 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | |
1457 | ||
1458 | /* release reserved bandwidth, if any */ | |
1459 | if ((vcc->qos.txtp.traffic_class == ATM_CBR) && (vcc->qos.txtp.max_pcr > 0)) { | |
1460 | ||
bfbf3c09 | 1461 | mutex_lock(&fore200e->rate_mtx); |
1da177e4 | 1462 | fore200e->available_cell_rate += vcc->qos.txtp.max_pcr; |
bfbf3c09 | 1463 | mutex_unlock(&fore200e->rate_mtx); |
1da177e4 LT |
1464 | |
1465 | clear_bit(ATM_VF_HASQOS, &vcc->flags); | |
1466 | } | |
1467 | ||
1468 | clear_bit(ATM_VF_ADDR, &vcc->flags); | |
1469 | clear_bit(ATM_VF_PARTIAL,&vcc->flags); | |
1470 | ||
1471 | ASSERT(fore200e_vcc); | |
1f8a5fb8 | 1472 | kfree(fore200e_vcc); |
1da177e4 LT |
1473 | } |
1474 | ||
1475 | ||
1476 | static int | |
1477 | fore200e_send(struct atm_vcc *vcc, struct sk_buff *skb) | |
1478 | { | |
1479 | struct fore200e* fore200e = FORE200E_DEV(vcc->dev); | |
1480 | struct fore200e_vcc* fore200e_vcc = FORE200E_VCC(vcc); | |
1481 | struct fore200e_vc_map* vc_map; | |
1482 | struct host_txq* txq = &fore200e->host_txq; | |
1483 | struct host_txq_entry* entry; | |
1484 | struct tpd* tpd; | |
1485 | struct tpd_haddr tpd_haddr; | |
1486 | int retry = CONFIG_ATM_FORE200E_TX_RETRY; | |
1487 | int tx_copy = 0; | |
1488 | int tx_len = skb->len; | |
1489 | u32* cell_header = NULL; | |
1490 | unsigned char* skb_data; | |
1491 | int skb_len; | |
1492 | unsigned char* data; | |
1493 | unsigned long flags; | |
1494 | ||
1495 | ASSERT(vcc); | |
1da177e4 LT |
1496 | ASSERT(fore200e); |
1497 | ASSERT(fore200e_vcc); | |
1498 | ||
1499 | if (!test_bit(ATM_VF_READY, &vcc->flags)) { | |
1500 | DPRINTK(1, "VC %d.%d.%d not ready for tx\n", vcc->itf, vcc->vpi, vcc->vpi); | |
1501 | dev_kfree_skb_any(skb); | |
1502 | return -EINVAL; | |
1503 | } | |
1504 | ||
1505 | #ifdef FORE200E_52BYTE_AAL0_SDU | |
1506 | if ((vcc->qos.aal == ATM_AAL0) && (vcc->qos.txtp.max_sdu == ATM_AAL0_SDU)) { | |
1507 | cell_header = (u32*) skb->data; | |
1508 | skb_data = skb->data + 4; /* skip 4-byte cell header */ | |
1509 | skb_len = tx_len = skb->len - 4; | |
1510 | ||
1511 | DPRINTK(3, "user-supplied cell header = 0x%08x\n", *cell_header); | |
1512 | } | |
1513 | else | |
1514 | #endif | |
1515 | { | |
1516 | skb_data = skb->data; | |
1517 | skb_len = skb->len; | |
1518 | } | |
1519 | ||
1520 | if (((unsigned long)skb_data) & 0x3) { | |
1521 | ||
1522 | DPRINTK(2, "misaligned tx PDU on device %s\n", fore200e->name); | |
1523 | tx_copy = 1; | |
1524 | tx_len = skb_len; | |
1525 | } | |
1526 | ||
1527 | if ((vcc->qos.aal == ATM_AAL0) && (skb_len % ATM_CELL_PAYLOAD)) { | |
1528 | ||
1529 | /* this simply NUKES the PCA board */ | |
1530 | DPRINTK(2, "incomplete tx AAL0 PDU on device %s\n", fore200e->name); | |
1531 | tx_copy = 1; | |
1532 | tx_len = ((skb_len / ATM_CELL_PAYLOAD) + 1) * ATM_CELL_PAYLOAD; | |
1533 | } | |
1534 | ||
1535 | if (tx_copy) { | |
0e21b225 | 1536 | data = kmalloc(tx_len, GFP_ATOMIC); |
1da177e4 LT |
1537 | if (data == NULL) { |
1538 | if (vcc->pop) { | |
1539 | vcc->pop(vcc, skb); | |
1540 | } | |
1541 | else { | |
1542 | dev_kfree_skb_any(skb); | |
1543 | } | |
1544 | return -ENOMEM; | |
1545 | } | |
1546 | ||
1547 | memcpy(data, skb_data, skb_len); | |
1548 | if (skb_len < tx_len) | |
1549 | memset(data + skb_len, 0x00, tx_len - skb_len); | |
1550 | } | |
1551 | else { | |
1552 | data = skb_data; | |
1553 | } | |
1554 | ||
1555 | vc_map = FORE200E_VC_MAP(fore200e, vcc->vpi, vcc->vci); | |
1556 | ASSERT(vc_map->vcc == vcc); | |
1557 | ||
1558 | retry_here: | |
1559 | ||
1560 | spin_lock_irqsave(&fore200e->q_lock, flags); | |
1561 | ||
1562 | entry = &txq->host_entry[ txq->head ]; | |
1563 | ||
1564 | if ((*entry->status != STATUS_FREE) || (txq->txing >= QUEUE_SIZE_TX - 2)) { | |
1565 | ||
1566 | /* try to free completed tx queue entries */ | |
1567 | fore200e_tx_irq(fore200e); | |
1568 | ||
1569 | if (*entry->status != STATUS_FREE) { | |
1570 | ||
1571 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | |
1572 | ||
1573 | /* retry once again? */ | |
1574 | if (--retry > 0) { | |
1575 | udelay(50); | |
1576 | goto retry_here; | |
1577 | } | |
1578 | ||
1579 | atomic_inc(&vcc->stats->tx_err); | |
1580 | ||
1581 | fore200e->tx_sat++; | |
1582 | DPRINTK(2, "tx queue of device %s is saturated, PDU dropped - heartbeat is %08x\n", | |
1583 | fore200e->name, fore200e->cp_queues->heartbeat); | |
1584 | if (vcc->pop) { | |
1585 | vcc->pop(vcc, skb); | |
1586 | } | |
1587 | else { | |
1588 | dev_kfree_skb_any(skb); | |
1589 | } | |
1590 | ||
1591 | if (tx_copy) | |
1592 | kfree(data); | |
1593 | ||
1594 | return -ENOBUFS; | |
1595 | } | |
1596 | } | |
1597 | ||
1598 | entry->incarn = vc_map->incarn; | |
1599 | entry->vc_map = vc_map; | |
1600 | entry->skb = skb; | |
1601 | entry->data = tx_copy ? data : NULL; | |
1602 | ||
1603 | tpd = entry->tpd; | |
f3fadcb5 CH |
1604 | tpd->tsd[ 0 ].buffer = dma_map_single(fore200e->dev, data, tx_len, |
1605 | DMA_TO_DEVICE); | |
1d9d8be9 CH |
1606 | if (dma_mapping_error(fore200e->dev, tpd->tsd[0].buffer)) { |
1607 | if (tx_copy) | |
1608 | kfree(data); | |
d275444c | 1609 | spin_unlock_irqrestore(&fore200e->q_lock, flags); |
1d9d8be9 CH |
1610 | return -ENOMEM; |
1611 | } | |
1da177e4 LT |
1612 | tpd->tsd[ 0 ].length = tx_len; |
1613 | ||
1614 | FORE200E_NEXT_ENTRY(txq->head, QUEUE_SIZE_TX); | |
1615 | txq->txing++; | |
1616 | ||
1617 | /* The dma_map call above implies a dma_sync so the device can use it, | |
1618 | * thus no explicit dma_sync call is necessary here. | |
1619 | */ | |
1620 | ||
1621 | DPRINTK(3, "tx on %d.%d.%d:%d, len = %u (%u)\n", | |
1622 | vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), | |
1623 | tpd->tsd[0].length, skb_len); | |
1624 | ||
1625 | if (skb_len < fore200e_vcc->tx_min_pdu) | |
1626 | fore200e_vcc->tx_min_pdu = skb_len; | |
1627 | if (skb_len > fore200e_vcc->tx_max_pdu) | |
1628 | fore200e_vcc->tx_max_pdu = skb_len; | |
1629 | fore200e_vcc->tx_pdu++; | |
1630 | ||
1631 | /* set tx rate control information */ | |
1632 | tpd->rate.data_cells = fore200e_vcc->rate.data_cells; | |
1633 | tpd->rate.idle_cells = fore200e_vcc->rate.idle_cells; | |
1634 | ||
1635 | if (cell_header) { | |
1636 | tpd->atm_header.clp = (*cell_header & ATM_HDR_CLP); | |
1637 | tpd->atm_header.plt = (*cell_header & ATM_HDR_PTI_MASK) >> ATM_HDR_PTI_SHIFT; | |
1638 | tpd->atm_header.vci = (*cell_header & ATM_HDR_VCI_MASK) >> ATM_HDR_VCI_SHIFT; | |
1639 | tpd->atm_header.vpi = (*cell_header & ATM_HDR_VPI_MASK) >> ATM_HDR_VPI_SHIFT; | |
1640 | tpd->atm_header.gfc = (*cell_header & ATM_HDR_GFC_MASK) >> ATM_HDR_GFC_SHIFT; | |
1641 | } | |
1642 | else { | |
1643 | /* set the ATM header, common to all cells conveying the PDU */ | |
1644 | tpd->atm_header.clp = 0; | |
1645 | tpd->atm_header.plt = 0; | |
1646 | tpd->atm_header.vci = vcc->vci; | |
1647 | tpd->atm_header.vpi = vcc->vpi; | |
1648 | tpd->atm_header.gfc = 0; | |
1649 | } | |
1650 | ||
1651 | tpd->spec.length = tx_len; | |
1652 | tpd->spec.nseg = 1; | |
1653 | tpd->spec.aal = fore200e_atm2fore_aal(vcc->qos.aal); | |
1654 | tpd->spec.intr = 1; | |
1655 | ||
1656 | tpd_haddr.size = sizeof(struct tpd) / (1<<TPD_HADDR_SHIFT); /* size is expressed in 32 byte blocks */ | |
1657 | tpd_haddr.pad = 0; | |
1658 | tpd_haddr.haddr = entry->tpd_dma >> TPD_HADDR_SHIFT; /* shift the address, as we are in a bitfield */ | |
1659 | ||
1660 | *entry->status = STATUS_PENDING; | |
1661 | fore200e->bus->write(*(u32*)&tpd_haddr, (u32 __iomem *)&entry->cp_entry->tpd_haddr); | |
1662 | ||
1663 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | |
1664 | ||
1665 | return 0; | |
1666 | } | |
1667 | ||
1668 | ||
1669 | static int | |
1670 | fore200e_getstats(struct fore200e* fore200e) | |
1671 | { | |
1672 | struct host_cmdq* cmdq = &fore200e->host_cmdq; | |
1673 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; | |
1674 | struct stats_opcode opcode; | |
1675 | int ok; | |
1676 | u32 stats_dma_addr; | |
1677 | ||
1678 | if (fore200e->stats == NULL) { | |
0e21b225 | 1679 | fore200e->stats = kzalloc(sizeof(struct stats), GFP_KERNEL); |
1da177e4 LT |
1680 | if (fore200e->stats == NULL) |
1681 | return -ENOMEM; | |
1682 | } | |
1683 | ||
f3fadcb5 CH |
1684 | stats_dma_addr = dma_map_single(fore200e->dev, fore200e->stats, |
1685 | sizeof(struct stats), DMA_FROM_DEVICE); | |
1d9d8be9 CH |
1686 | if (dma_mapping_error(fore200e->dev, stats_dma_addr)) |
1687 | return -ENOMEM; | |
1da177e4 LT |
1688 | |
1689 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); | |
1690 | ||
1691 | opcode.opcode = OPCODE_GET_STATS; | |
1692 | opcode.pad = 0; | |
1693 | ||
1694 | fore200e->bus->write(stats_dma_addr, &entry->cp_entry->cmd.stats_block.stats_haddr); | |
1695 | ||
1696 | *entry->status = STATUS_PENDING; | |
1697 | ||
1698 | fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.stats_block.opcode); | |
1699 | ||
1700 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); | |
1701 | ||
1702 | *entry->status = STATUS_FREE; | |
1703 | ||
f3fadcb5 | 1704 | dma_unmap_single(fore200e->dev, stats_dma_addr, sizeof(struct stats), DMA_FROM_DEVICE); |
1da177e4 LT |
1705 | |
1706 | if (ok == 0) { | |
1707 | printk(FORE200E "unable to get statistics from device %s\n", fore200e->name); | |
1708 | return -EIO; | |
1709 | } | |
1710 | ||
1711 | return 0; | |
1712 | } | |
1713 | ||
1714 | ||
1715 | static int | |
1716 | fore200e_getsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, int optlen) | |
1717 | { | |
1718 | /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */ | |
1719 | ||
1720 | DPRINTK(2, "getsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n", | |
1721 | vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen); | |
1722 | ||
1723 | return -EINVAL; | |
1724 | } | |
1725 | ||
1726 | ||
1727 | static int | |
b7058842 | 1728 | fore200e_setsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, unsigned int optlen) |
1da177e4 LT |
1729 | { |
1730 | /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */ | |
1731 | ||
1732 | DPRINTK(2, "setsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n", | |
1733 | vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen); | |
1734 | ||
1735 | return -EINVAL; | |
1736 | } | |
1737 | ||
1738 | ||
1739 | #if 0 /* currently unused */ | |
1740 | static int | |
1741 | fore200e_get_oc3(struct fore200e* fore200e, struct oc3_regs* regs) | |
1742 | { | |
1743 | struct host_cmdq* cmdq = &fore200e->host_cmdq; | |
1744 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; | |
1745 | struct oc3_opcode opcode; | |
1746 | int ok; | |
1747 | u32 oc3_regs_dma_addr; | |
1748 | ||
1749 | oc3_regs_dma_addr = fore200e->bus->dma_map(fore200e, regs, sizeof(struct oc3_regs), DMA_FROM_DEVICE); | |
1750 | ||
1751 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); | |
1752 | ||
1753 | opcode.opcode = OPCODE_GET_OC3; | |
1754 | opcode.reg = 0; | |
1755 | opcode.value = 0; | |
1756 | opcode.mask = 0; | |
1757 | ||
1758 | fore200e->bus->write(oc3_regs_dma_addr, &entry->cp_entry->cmd.oc3_block.regs_haddr); | |
1759 | ||
1760 | *entry->status = STATUS_PENDING; | |
1761 | ||
1762 | fore200e->bus->write(*(u32*)&opcode, (u32*)&entry->cp_entry->cmd.oc3_block.opcode); | |
1763 | ||
1764 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); | |
1765 | ||
1766 | *entry->status = STATUS_FREE; | |
1767 | ||
1768 | fore200e->bus->dma_unmap(fore200e, oc3_regs_dma_addr, sizeof(struct oc3_regs), DMA_FROM_DEVICE); | |
1769 | ||
1770 | if (ok == 0) { | |
1771 | printk(FORE200E "unable to get OC-3 regs of device %s\n", fore200e->name); | |
1772 | return -EIO; | |
1773 | } | |
1774 | ||
1775 | return 0; | |
1776 | } | |
1777 | #endif | |
1778 | ||
1779 | ||
1780 | static int | |
1781 | fore200e_set_oc3(struct fore200e* fore200e, u32 reg, u32 value, u32 mask) | |
1782 | { | |
1783 | struct host_cmdq* cmdq = &fore200e->host_cmdq; | |
1784 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; | |
1785 | struct oc3_opcode opcode; | |
1786 | int ok; | |
1787 | ||
1788 | DPRINTK(2, "set OC-3 reg = 0x%02x, value = 0x%02x, mask = 0x%02x\n", reg, value, mask); | |
1789 | ||
1790 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); | |
1791 | ||
1792 | opcode.opcode = OPCODE_SET_OC3; | |
1793 | opcode.reg = reg; | |
1794 | opcode.value = value; | |
1795 | opcode.mask = mask; | |
1796 | ||
1797 | fore200e->bus->write(0, &entry->cp_entry->cmd.oc3_block.regs_haddr); | |
1798 | ||
1799 | *entry->status = STATUS_PENDING; | |
1800 | ||
1801 | fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.oc3_block.opcode); | |
1802 | ||
1803 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); | |
1804 | ||
1805 | *entry->status = STATUS_FREE; | |
1806 | ||
1807 | if (ok == 0) { | |
1808 | printk(FORE200E "unable to set OC-3 reg 0x%02x of device %s\n", reg, fore200e->name); | |
1809 | return -EIO; | |
1810 | } | |
1811 | ||
1812 | return 0; | |
1813 | } | |
1814 | ||
1815 | ||
1816 | static int | |
1817 | fore200e_setloop(struct fore200e* fore200e, int loop_mode) | |
1818 | { | |
1819 | u32 mct_value, mct_mask; | |
1820 | int error; | |
1821 | ||
1822 | if (!capable(CAP_NET_ADMIN)) | |
1823 | return -EPERM; | |
1824 | ||
1825 | switch (loop_mode) { | |
1826 | ||
1827 | case ATM_LM_NONE: | |
1828 | mct_value = 0; | |
1829 | mct_mask = SUNI_MCT_DLE | SUNI_MCT_LLE; | |
1830 | break; | |
1831 | ||
1832 | case ATM_LM_LOC_PHY: | |
1833 | mct_value = mct_mask = SUNI_MCT_DLE; | |
1834 | break; | |
1835 | ||
1836 | case ATM_LM_RMT_PHY: | |
1837 | mct_value = mct_mask = SUNI_MCT_LLE; | |
1838 | break; | |
1839 | ||
1840 | default: | |
1841 | return -EINVAL; | |
1842 | } | |
1843 | ||
1844 | error = fore200e_set_oc3(fore200e, SUNI_MCT, mct_value, mct_mask); | |
1845 | if (error == 0) | |
1846 | fore200e->loop_mode = loop_mode; | |
1847 | ||
1848 | return error; | |
1849 | } | |
1850 | ||
1851 | ||
1da177e4 LT |
1852 | static int |
1853 | fore200e_fetch_stats(struct fore200e* fore200e, struct sonet_stats __user *arg) | |
1854 | { | |
1855 | struct sonet_stats tmp; | |
1856 | ||
1857 | if (fore200e_getstats(fore200e) < 0) | |
1858 | return -EIO; | |
1859 | ||
63734a32 AV |
1860 | tmp.section_bip = be32_to_cpu(fore200e->stats->oc3.section_bip8_errors); |
1861 | tmp.line_bip = be32_to_cpu(fore200e->stats->oc3.line_bip24_errors); | |
1862 | tmp.path_bip = be32_to_cpu(fore200e->stats->oc3.path_bip8_errors); | |
1863 | tmp.line_febe = be32_to_cpu(fore200e->stats->oc3.line_febe_errors); | |
1864 | tmp.path_febe = be32_to_cpu(fore200e->stats->oc3.path_febe_errors); | |
1865 | tmp.corr_hcs = be32_to_cpu(fore200e->stats->oc3.corr_hcs_errors); | |
1866 | tmp.uncorr_hcs = be32_to_cpu(fore200e->stats->oc3.ucorr_hcs_errors); | |
1867 | tmp.tx_cells = be32_to_cpu(fore200e->stats->aal0.cells_transmitted) + | |
1868 | be32_to_cpu(fore200e->stats->aal34.cells_transmitted) + | |
1869 | be32_to_cpu(fore200e->stats->aal5.cells_transmitted); | |
1870 | tmp.rx_cells = be32_to_cpu(fore200e->stats->aal0.cells_received) + | |
1871 | be32_to_cpu(fore200e->stats->aal34.cells_received) + | |
1872 | be32_to_cpu(fore200e->stats->aal5.cells_received); | |
1da177e4 LT |
1873 | |
1874 | if (arg) | |
1875 | return copy_to_user(arg, &tmp, sizeof(struct sonet_stats)) ? -EFAULT : 0; | |
1876 | ||
1877 | return 0; | |
1878 | } | |
1879 | ||
1880 | ||
1881 | static int | |
1882 | fore200e_ioctl(struct atm_dev* dev, unsigned int cmd, void __user * arg) | |
1883 | { | |
1884 | struct fore200e* fore200e = FORE200E_DEV(dev); | |
1885 | ||
1886 | DPRINTK(2, "ioctl cmd = 0x%x (%u), arg = 0x%p (%lu)\n", cmd, cmd, arg, (unsigned long)arg); | |
1887 | ||
1888 | switch (cmd) { | |
1889 | ||
1890 | case SONET_GETSTAT: | |
1891 | return fore200e_fetch_stats(fore200e, (struct sonet_stats __user *)arg); | |
1892 | ||
1893 | case SONET_GETDIAG: | |
1894 | return put_user(0, (int __user *)arg) ? -EFAULT : 0; | |
1895 | ||
1896 | case ATM_SETLOOP: | |
1897 | return fore200e_setloop(fore200e, (int)(unsigned long)arg); | |
1898 | ||
1899 | case ATM_GETLOOP: | |
1900 | return put_user(fore200e->loop_mode, (int __user *)arg) ? -EFAULT : 0; | |
1901 | ||
1902 | case ATM_QUERYLOOP: | |
1903 | return put_user(ATM_LM_LOC_PHY | ATM_LM_RMT_PHY, (int __user *)arg) ? -EFAULT : 0; | |
1904 | } | |
1905 | ||
1906 | return -ENOSYS; /* not implemented */ | |
1907 | } | |
1908 | ||
1909 | ||
1910 | static int | |
1911 | fore200e_change_qos(struct atm_vcc* vcc,struct atm_qos* qos, int flags) | |
1912 | { | |
1913 | struct fore200e_vcc* fore200e_vcc = FORE200E_VCC(vcc); | |
1914 | struct fore200e* fore200e = FORE200E_DEV(vcc->dev); | |
1915 | ||
1916 | if (!test_bit(ATM_VF_READY, &vcc->flags)) { | |
1917 | DPRINTK(1, "VC %d.%d.%d not ready for QoS change\n", vcc->itf, vcc->vpi, vcc->vpi); | |
1918 | return -EINVAL; | |
1919 | } | |
1920 | ||
1921 | DPRINTK(2, "change_qos %d.%d.%d, " | |
1922 | "(tx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d; " | |
1923 | "rx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d), flags = 0x%x\n" | |
1924 | "available_cell_rate = %u", | |
1925 | vcc->itf, vcc->vpi, vcc->vci, | |
1926 | fore200e_traffic_class[ qos->txtp.traffic_class ], | |
1927 | qos->txtp.min_pcr, qos->txtp.max_pcr, qos->txtp.max_cdv, qos->txtp.max_sdu, | |
1928 | fore200e_traffic_class[ qos->rxtp.traffic_class ], | |
1929 | qos->rxtp.min_pcr, qos->rxtp.max_pcr, qos->rxtp.max_cdv, qos->rxtp.max_sdu, | |
1930 | flags, fore200e->available_cell_rate); | |
1931 | ||
1932 | if ((qos->txtp.traffic_class == ATM_CBR) && (qos->txtp.max_pcr > 0)) { | |
1933 | ||
bfbf3c09 | 1934 | mutex_lock(&fore200e->rate_mtx); |
1da177e4 | 1935 | if (fore200e->available_cell_rate + vcc->qos.txtp.max_pcr < qos->txtp.max_pcr) { |
bfbf3c09 | 1936 | mutex_unlock(&fore200e->rate_mtx); |
1da177e4 LT |
1937 | return -EAGAIN; |
1938 | } | |
1939 | ||
1940 | fore200e->available_cell_rate += vcc->qos.txtp.max_pcr; | |
1941 | fore200e->available_cell_rate -= qos->txtp.max_pcr; | |
1942 | ||
bfbf3c09 | 1943 | mutex_unlock(&fore200e->rate_mtx); |
1da177e4 LT |
1944 | |
1945 | memcpy(&vcc->qos, qos, sizeof(struct atm_qos)); | |
1946 | ||
1947 | /* update rate control parameters */ | |
1948 | fore200e_rate_ctrl(qos, &fore200e_vcc->rate); | |
1949 | ||
1950 | set_bit(ATM_VF_HASQOS, &vcc->flags); | |
1951 | ||
1952 | return 0; | |
1953 | } | |
1954 | ||
1955 | return -EINVAL; | |
1956 | } | |
1957 | ||
1958 | ||
6c44512d | 1959 | static int fore200e_irq_request(struct fore200e *fore200e) |
1da177e4 | 1960 | { |
dace1453 | 1961 | if (request_irq(fore200e->irq, fore200e_interrupt, IRQF_SHARED, fore200e->name, fore200e->atm_dev) < 0) { |
1da177e4 LT |
1962 | |
1963 | printk(FORE200E "unable to reserve IRQ %s for device %s\n", | |
1964 | fore200e_irq_itoa(fore200e->irq), fore200e->name); | |
1965 | return -EBUSY; | |
1966 | } | |
1967 | ||
1968 | printk(FORE200E "IRQ %s reserved for device %s\n", | |
1969 | fore200e_irq_itoa(fore200e->irq), fore200e->name); | |
1970 | ||
1971 | #ifdef FORE200E_USE_TASKLET | |
1972 | tasklet_init(&fore200e->tx_tasklet, fore200e_tx_tasklet, (unsigned long)fore200e); | |
1973 | tasklet_init(&fore200e->rx_tasklet, fore200e_rx_tasklet, (unsigned long)fore200e); | |
1974 | #endif | |
1975 | ||
1976 | fore200e->state = FORE200E_STATE_IRQ; | |
1977 | return 0; | |
1978 | } | |
1979 | ||
1980 | ||
6c44512d | 1981 | static int fore200e_get_esi(struct fore200e *fore200e) |
1da177e4 | 1982 | { |
0e21b225 | 1983 | struct prom_data* prom = kzalloc(sizeof(struct prom_data), GFP_KERNEL); |
1da177e4 LT |
1984 | int ok, i; |
1985 | ||
1986 | if (!prom) | |
1987 | return -ENOMEM; | |
1988 | ||
1989 | ok = fore200e->bus->prom_read(fore200e, prom); | |
1990 | if (ok < 0) { | |
1f8a5fb8 | 1991 | kfree(prom); |
1da177e4 LT |
1992 | return -EBUSY; |
1993 | } | |
1994 | ||
3008ab36 | 1995 | printk(FORE200E "device %s, rev. %c, S/N: %d, ESI: %pM\n", |
1da177e4 LT |
1996 | fore200e->name, |
1997 | (prom->hw_revision & 0xFF) + '@', /* probably meaningless with SBA boards */ | |
3008ab36 | 1998 | prom->serial_number & 0xFFFF, &prom->mac_addr[2]); |
1da177e4 LT |
1999 | |
2000 | for (i = 0; i < ESI_LEN; i++) { | |
2001 | fore200e->esi[ i ] = fore200e->atm_dev->esi[ i ] = prom->mac_addr[ i + 2 ]; | |
2002 | } | |
2003 | ||
1f8a5fb8 | 2004 | kfree(prom); |
1da177e4 LT |
2005 | |
2006 | return 0; | |
2007 | } | |
2008 | ||
2009 | ||
6c44512d | 2010 | static int fore200e_alloc_rx_buf(struct fore200e *fore200e) |
1da177e4 LT |
2011 | { |
2012 | int scheme, magn, nbr, size, i; | |
2013 | ||
2014 | struct host_bsq* bsq; | |
2015 | struct buffer* buffer; | |
2016 | ||
2017 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { | |
2018 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { | |
2019 | ||
2020 | bsq = &fore200e->host_bsq[ scheme ][ magn ]; | |
2021 | ||
2022 | nbr = fore200e_rx_buf_nbr[ scheme ][ magn ]; | |
2023 | size = fore200e_rx_buf_size[ scheme ][ magn ]; | |
2024 | ||
2025 | DPRINTK(2, "rx buffers %d / %d are being allocated\n", scheme, magn); | |
2026 | ||
2027 | /* allocate the array of receive buffers */ | |
6396bb22 KC |
2028 | buffer = bsq->buffer = kcalloc(nbr, sizeof(struct buffer), |
2029 | GFP_KERNEL); | |
1da177e4 LT |
2030 | |
2031 | if (buffer == NULL) | |
2032 | return -ENOMEM; | |
2033 | ||
2034 | bsq->freebuf = NULL; | |
2035 | ||
2036 | for (i = 0; i < nbr; i++) { | |
2037 | ||
2038 | buffer[ i ].scheme = scheme; | |
2039 | buffer[ i ].magn = magn; | |
2040 | #ifdef FORE200E_BSQ_DEBUG | |
2041 | buffer[ i ].index = i; | |
2042 | buffer[ i ].supplied = 0; | |
2043 | #endif | |
2044 | ||
2045 | /* allocate the receive buffer body */ | |
2046 | if (fore200e_chunk_alloc(fore200e, | |
2047 | &buffer[ i ].data, size, fore200e->bus->buffer_alignment, | |
2048 | DMA_FROM_DEVICE) < 0) { | |
2049 | ||
2050 | while (i > 0) | |
2051 | fore200e_chunk_free(fore200e, &buffer[ --i ].data); | |
1f8a5fb8 | 2052 | kfree(buffer); |
1da177e4 LT |
2053 | |
2054 | return -ENOMEM; | |
2055 | } | |
2056 | ||
2057 | /* insert the buffer into the free buffer list */ | |
2058 | buffer[ i ].next = bsq->freebuf; | |
2059 | bsq->freebuf = &buffer[ i ]; | |
2060 | } | |
2061 | /* all the buffers are free, initially */ | |
2062 | bsq->freebuf_count = nbr; | |
2063 | ||
2064 | #ifdef FORE200E_BSQ_DEBUG | |
2065 | bsq_audit(3, bsq, scheme, magn); | |
2066 | #endif | |
2067 | } | |
2068 | } | |
2069 | ||
2070 | fore200e->state = FORE200E_STATE_ALLOC_BUF; | |
2071 | return 0; | |
2072 | } | |
2073 | ||
2074 | ||
6c44512d | 2075 | static int fore200e_init_bs_queue(struct fore200e *fore200e) |
1da177e4 LT |
2076 | { |
2077 | int scheme, magn, i; | |
2078 | ||
2079 | struct host_bsq* bsq; | |
2080 | struct cp_bsq_entry __iomem * cp_entry; | |
2081 | ||
2082 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { | |
2083 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { | |
2084 | ||
2085 | DPRINTK(2, "buffer supply queue %d / %d is being initialized\n", scheme, magn); | |
2086 | ||
2087 | bsq = &fore200e->host_bsq[ scheme ][ magn ]; | |
2088 | ||
2089 | /* allocate and align the array of status words */ | |
1335d6fd | 2090 | if (fore200e_dma_chunk_alloc(fore200e, |
1da177e4 LT |
2091 | &bsq->status, |
2092 | sizeof(enum status), | |
2093 | QUEUE_SIZE_BS, | |
2094 | fore200e->bus->status_alignment) < 0) { | |
2095 | return -ENOMEM; | |
2096 | } | |
2097 | ||
2098 | /* allocate and align the array of receive buffer descriptors */ | |
1335d6fd | 2099 | if (fore200e_dma_chunk_alloc(fore200e, |
1da177e4 LT |
2100 | &bsq->rbd_block, |
2101 | sizeof(struct rbd_block), | |
2102 | QUEUE_SIZE_BS, | |
2103 | fore200e->bus->descr_alignment) < 0) { | |
2104 | ||
1335d6fd | 2105 | fore200e_dma_chunk_free(fore200e, &bsq->status); |
1da177e4 LT |
2106 | return -ENOMEM; |
2107 | } | |
2108 | ||
2109 | /* get the base address of the cp resident buffer supply queue entries */ | |
2110 | cp_entry = fore200e->virt_base + | |
2111 | fore200e->bus->read(&fore200e->cp_queues->cp_bsq[ scheme ][ magn ]); | |
2112 | ||
2113 | /* fill the host resident and cp resident buffer supply queue entries */ | |
2114 | for (i = 0; i < QUEUE_SIZE_BS; i++) { | |
2115 | ||
2116 | bsq->host_entry[ i ].status = | |
2117 | FORE200E_INDEX(bsq->status.align_addr, enum status, i); | |
2118 | bsq->host_entry[ i ].rbd_block = | |
2119 | FORE200E_INDEX(bsq->rbd_block.align_addr, struct rbd_block, i); | |
2120 | bsq->host_entry[ i ].rbd_block_dma = | |
2121 | FORE200E_DMA_INDEX(bsq->rbd_block.dma_addr, struct rbd_block, i); | |
2122 | bsq->host_entry[ i ].cp_entry = &cp_entry[ i ]; | |
2123 | ||
2124 | *bsq->host_entry[ i ].status = STATUS_FREE; | |
2125 | ||
2126 | fore200e->bus->write(FORE200E_DMA_INDEX(bsq->status.dma_addr, enum status, i), | |
2127 | &cp_entry[ i ].status_haddr); | |
2128 | } | |
2129 | } | |
2130 | } | |
2131 | ||
2132 | fore200e->state = FORE200E_STATE_INIT_BSQ; | |
2133 | return 0; | |
2134 | } | |
2135 | ||
2136 | ||
6c44512d | 2137 | static int fore200e_init_rx_queue(struct fore200e *fore200e) |
1da177e4 LT |
2138 | { |
2139 | struct host_rxq* rxq = &fore200e->host_rxq; | |
2140 | struct cp_rxq_entry __iomem * cp_entry; | |
2141 | int i; | |
2142 | ||
2143 | DPRINTK(2, "receive queue is being initialized\n"); | |
2144 | ||
2145 | /* allocate and align the array of status words */ | |
1335d6fd | 2146 | if (fore200e_dma_chunk_alloc(fore200e, |
1da177e4 LT |
2147 | &rxq->status, |
2148 | sizeof(enum status), | |
2149 | QUEUE_SIZE_RX, | |
2150 | fore200e->bus->status_alignment) < 0) { | |
2151 | return -ENOMEM; | |
2152 | } | |
2153 | ||
2154 | /* allocate and align the array of receive PDU descriptors */ | |
1335d6fd | 2155 | if (fore200e_dma_chunk_alloc(fore200e, |
1da177e4 LT |
2156 | &rxq->rpd, |
2157 | sizeof(struct rpd), | |
2158 | QUEUE_SIZE_RX, | |
2159 | fore200e->bus->descr_alignment) < 0) { | |
2160 | ||
1335d6fd | 2161 | fore200e_dma_chunk_free(fore200e, &rxq->status); |
1da177e4 LT |
2162 | return -ENOMEM; |
2163 | } | |
2164 | ||
2165 | /* get the base address of the cp resident rx queue entries */ | |
2166 | cp_entry = fore200e->virt_base + fore200e->bus->read(&fore200e->cp_queues->cp_rxq); | |
2167 | ||
2168 | /* fill the host resident and cp resident rx entries */ | |
2169 | for (i=0; i < QUEUE_SIZE_RX; i++) { | |
2170 | ||
2171 | rxq->host_entry[ i ].status = | |
2172 | FORE200E_INDEX(rxq->status.align_addr, enum status, i); | |
2173 | rxq->host_entry[ i ].rpd = | |
2174 | FORE200E_INDEX(rxq->rpd.align_addr, struct rpd, i); | |
2175 | rxq->host_entry[ i ].rpd_dma = | |
2176 | FORE200E_DMA_INDEX(rxq->rpd.dma_addr, struct rpd, i); | |
2177 | rxq->host_entry[ i ].cp_entry = &cp_entry[ i ]; | |
2178 | ||
2179 | *rxq->host_entry[ i ].status = STATUS_FREE; | |
2180 | ||
2181 | fore200e->bus->write(FORE200E_DMA_INDEX(rxq->status.dma_addr, enum status, i), | |
2182 | &cp_entry[ i ].status_haddr); | |
2183 | ||
2184 | fore200e->bus->write(FORE200E_DMA_INDEX(rxq->rpd.dma_addr, struct rpd, i), | |
2185 | &cp_entry[ i ].rpd_haddr); | |
2186 | } | |
2187 | ||
2188 | /* set the head entry of the queue */ | |
2189 | rxq->head = 0; | |
2190 | ||
2191 | fore200e->state = FORE200E_STATE_INIT_RXQ; | |
2192 | return 0; | |
2193 | } | |
2194 | ||
2195 | ||
6c44512d | 2196 | static int fore200e_init_tx_queue(struct fore200e *fore200e) |
1da177e4 LT |
2197 | { |
2198 | struct host_txq* txq = &fore200e->host_txq; | |
2199 | struct cp_txq_entry __iomem * cp_entry; | |
2200 | int i; | |
2201 | ||
2202 | DPRINTK(2, "transmit queue is being initialized\n"); | |
2203 | ||
2204 | /* allocate and align the array of status words */ | |
1335d6fd | 2205 | if (fore200e_dma_chunk_alloc(fore200e, |
1da177e4 LT |
2206 | &txq->status, |
2207 | sizeof(enum status), | |
2208 | QUEUE_SIZE_TX, | |
2209 | fore200e->bus->status_alignment) < 0) { | |
2210 | return -ENOMEM; | |
2211 | } | |
2212 | ||
2213 | /* allocate and align the array of transmit PDU descriptors */ | |
1335d6fd | 2214 | if (fore200e_dma_chunk_alloc(fore200e, |
1da177e4 LT |
2215 | &txq->tpd, |
2216 | sizeof(struct tpd), | |
2217 | QUEUE_SIZE_TX, | |
2218 | fore200e->bus->descr_alignment) < 0) { | |
2219 | ||
1335d6fd | 2220 | fore200e_dma_chunk_free(fore200e, &txq->status); |
1da177e4 LT |
2221 | return -ENOMEM; |
2222 | } | |
2223 | ||
2224 | /* get the base address of the cp resident tx queue entries */ | |
2225 | cp_entry = fore200e->virt_base + fore200e->bus->read(&fore200e->cp_queues->cp_txq); | |
2226 | ||
2227 | /* fill the host resident and cp resident tx entries */ | |
2228 | for (i=0; i < QUEUE_SIZE_TX; i++) { | |
2229 | ||
2230 | txq->host_entry[ i ].status = | |
2231 | FORE200E_INDEX(txq->status.align_addr, enum status, i); | |
2232 | txq->host_entry[ i ].tpd = | |
2233 | FORE200E_INDEX(txq->tpd.align_addr, struct tpd, i); | |
2234 | txq->host_entry[ i ].tpd_dma = | |
2235 | FORE200E_DMA_INDEX(txq->tpd.dma_addr, struct tpd, i); | |
2236 | txq->host_entry[ i ].cp_entry = &cp_entry[ i ]; | |
2237 | ||
2238 | *txq->host_entry[ i ].status = STATUS_FREE; | |
2239 | ||
2240 | fore200e->bus->write(FORE200E_DMA_INDEX(txq->status.dma_addr, enum status, i), | |
2241 | &cp_entry[ i ].status_haddr); | |
2242 | ||
2243 | /* although there is a one-to-one mapping of tx queue entries and tpds, | |
2244 | we do not write here the DMA (physical) base address of each tpd into | |
2245 | the related cp resident entry, because the cp relies on this write | |
2246 | operation to detect that a new pdu has been submitted for tx */ | |
2247 | } | |
2248 | ||
2249 | /* set the head and tail entries of the queue */ | |
2250 | txq->head = 0; | |
2251 | txq->tail = 0; | |
2252 | ||
2253 | fore200e->state = FORE200E_STATE_INIT_TXQ; | |
2254 | return 0; | |
2255 | } | |
2256 | ||
2257 | ||
6c44512d | 2258 | static int fore200e_init_cmd_queue(struct fore200e *fore200e) |
1da177e4 LT |
2259 | { |
2260 | struct host_cmdq* cmdq = &fore200e->host_cmdq; | |
2261 | struct cp_cmdq_entry __iomem * cp_entry; | |
2262 | int i; | |
2263 | ||
2264 | DPRINTK(2, "command queue is being initialized\n"); | |
2265 | ||
2266 | /* allocate and align the array of status words */ | |
1335d6fd | 2267 | if (fore200e_dma_chunk_alloc(fore200e, |
1da177e4 LT |
2268 | &cmdq->status, |
2269 | sizeof(enum status), | |
2270 | QUEUE_SIZE_CMD, | |
2271 | fore200e->bus->status_alignment) < 0) { | |
2272 | return -ENOMEM; | |
2273 | } | |
2274 | ||
2275 | /* get the base address of the cp resident cmd queue entries */ | |
2276 | cp_entry = fore200e->virt_base + fore200e->bus->read(&fore200e->cp_queues->cp_cmdq); | |
2277 | ||
2278 | /* fill the host resident and cp resident cmd entries */ | |
2279 | for (i=0; i < QUEUE_SIZE_CMD; i++) { | |
2280 | ||
2281 | cmdq->host_entry[ i ].status = | |
2282 | FORE200E_INDEX(cmdq->status.align_addr, enum status, i); | |
2283 | cmdq->host_entry[ i ].cp_entry = &cp_entry[ i ]; | |
2284 | ||
2285 | *cmdq->host_entry[ i ].status = STATUS_FREE; | |
2286 | ||
2287 | fore200e->bus->write(FORE200E_DMA_INDEX(cmdq->status.dma_addr, enum status, i), | |
2288 | &cp_entry[ i ].status_haddr); | |
2289 | } | |
2290 | ||
2291 | /* set the head entry of the queue */ | |
2292 | cmdq->head = 0; | |
2293 | ||
2294 | fore200e->state = FORE200E_STATE_INIT_CMDQ; | |
2295 | return 0; | |
2296 | } | |
2297 | ||
2298 | ||
6c44512d GKH |
2299 | static void fore200e_param_bs_queue(struct fore200e *fore200e, |
2300 | enum buffer_scheme scheme, | |
2301 | enum buffer_magn magn, int queue_length, | |
2302 | int pool_size, int supply_blksize) | |
1da177e4 LT |
2303 | { |
2304 | struct bs_spec __iomem * bs_spec = &fore200e->cp_queues->init.bs_spec[ scheme ][ magn ]; | |
2305 | ||
2306 | fore200e->bus->write(queue_length, &bs_spec->queue_length); | |
2307 | fore200e->bus->write(fore200e_rx_buf_size[ scheme ][ magn ], &bs_spec->buffer_size); | |
2308 | fore200e->bus->write(pool_size, &bs_spec->pool_size); | |
2309 | fore200e->bus->write(supply_blksize, &bs_spec->supply_blksize); | |
2310 | } | |
2311 | ||
2312 | ||
6c44512d | 2313 | static int fore200e_initialize(struct fore200e *fore200e) |
1da177e4 LT |
2314 | { |
2315 | struct cp_queues __iomem * cpq; | |
2316 | int ok, scheme, magn; | |
2317 | ||
2318 | DPRINTK(2, "device %s being initialized\n", fore200e->name); | |
2319 | ||
bfbf3c09 | 2320 | mutex_init(&fore200e->rate_mtx); |
1da177e4 LT |
2321 | spin_lock_init(&fore200e->q_lock); |
2322 | ||
2323 | cpq = fore200e->cp_queues = fore200e->virt_base + FORE200E_CP_QUEUES_OFFSET; | |
2324 | ||
2325 | /* enable cp to host interrupts */ | |
2326 | fore200e->bus->write(1, &cpq->imask); | |
2327 | ||
2328 | if (fore200e->bus->irq_enable) | |
2329 | fore200e->bus->irq_enable(fore200e); | |
2330 | ||
2331 | fore200e->bus->write(NBR_CONNECT, &cpq->init.num_connect); | |
2332 | ||
2333 | fore200e->bus->write(QUEUE_SIZE_CMD, &cpq->init.cmd_queue_len); | |
2334 | fore200e->bus->write(QUEUE_SIZE_RX, &cpq->init.rx_queue_len); | |
2335 | fore200e->bus->write(QUEUE_SIZE_TX, &cpq->init.tx_queue_len); | |
2336 | ||
2337 | fore200e->bus->write(RSD_EXTENSION, &cpq->init.rsd_extension); | |
2338 | fore200e->bus->write(TSD_EXTENSION, &cpq->init.tsd_extension); | |
2339 | ||
2340 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) | |
2341 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) | |
2342 | fore200e_param_bs_queue(fore200e, scheme, magn, | |
2343 | QUEUE_SIZE_BS, | |
2344 | fore200e_rx_buf_nbr[ scheme ][ magn ], | |
2345 | RBD_BLK_SIZE); | |
2346 | ||
2347 | /* issue the initialize command */ | |
2348 | fore200e->bus->write(STATUS_PENDING, &cpq->init.status); | |
2349 | fore200e->bus->write(OPCODE_INITIALIZE, &cpq->init.opcode); | |
2350 | ||
2351 | ok = fore200e_io_poll(fore200e, &cpq->init.status, STATUS_COMPLETE, 3000); | |
2352 | if (ok == 0) { | |
2353 | printk(FORE200E "device %s initialization failed\n", fore200e->name); | |
2354 | return -ENODEV; | |
2355 | } | |
2356 | ||
2357 | printk(FORE200E "device %s initialized\n", fore200e->name); | |
2358 | ||
2359 | fore200e->state = FORE200E_STATE_INITIALIZE; | |
2360 | return 0; | |
2361 | } | |
2362 | ||
2363 | ||
6c44512d | 2364 | static void fore200e_monitor_putc(struct fore200e *fore200e, char c) |
1da177e4 LT |
2365 | { |
2366 | struct cp_monitor __iomem * monitor = fore200e->cp_monitor; | |
2367 | ||
2368 | #if 0 | |
2369 | printk("%c", c); | |
2370 | #endif | |
2371 | fore200e->bus->write(((u32) c) | FORE200E_CP_MONITOR_UART_AVAIL, &monitor->soft_uart.send); | |
2372 | } | |
2373 | ||
2374 | ||
6c44512d | 2375 | static int fore200e_monitor_getc(struct fore200e *fore200e) |
1da177e4 LT |
2376 | { |
2377 | struct cp_monitor __iomem * monitor = fore200e->cp_monitor; | |
2378 | unsigned long timeout = jiffies + msecs_to_jiffies(50); | |
2379 | int c; | |
2380 | ||
2381 | while (time_before(jiffies, timeout)) { | |
2382 | ||
2383 | c = (int) fore200e->bus->read(&monitor->soft_uart.recv); | |
2384 | ||
2385 | if (c & FORE200E_CP_MONITOR_UART_AVAIL) { | |
2386 | ||
2387 | fore200e->bus->write(FORE200E_CP_MONITOR_UART_FREE, &monitor->soft_uart.recv); | |
2388 | #if 0 | |
2389 | printk("%c", c & 0xFF); | |
2390 | #endif | |
2391 | return c & 0xFF; | |
2392 | } | |
2393 | } | |
2394 | ||
2395 | return -1; | |
2396 | } | |
2397 | ||
2398 | ||
6c44512d | 2399 | static void fore200e_monitor_puts(struct fore200e *fore200e, char *str) |
1da177e4 LT |
2400 | { |
2401 | while (*str) { | |
2402 | ||
2403 | /* the i960 monitor doesn't accept any new character if it has something to say */ | |
2404 | while (fore200e_monitor_getc(fore200e) >= 0); | |
2405 | ||
2406 | fore200e_monitor_putc(fore200e, *str++); | |
2407 | } | |
2408 | ||
2409 | while (fore200e_monitor_getc(fore200e) >= 0); | |
2410 | } | |
2411 | ||
e92481f9 CW |
2412 | #ifdef __LITTLE_ENDIAN |
2413 | #define FW_EXT ".bin" | |
2414 | #else | |
2415 | #define FW_EXT "_ecd.bin2" | |
2416 | #endif | |
1da177e4 | 2417 | |
6c44512d | 2418 | static int fore200e_load_and_start_fw(struct fore200e *fore200e) |
e92481f9 CW |
2419 | { |
2420 | const struct firmware *firmware; | |
b65b24d4 | 2421 | const struct fw_header *fw_header; |
6f75a9b6 CW |
2422 | const __le32 *fw_data; |
2423 | u32 fw_size; | |
e92481f9 CW |
2424 | u32 __iomem *load_addr; |
2425 | char buf[48]; | |
aff9d262 | 2426 | int err; |
e92481f9 CW |
2427 | |
2428 | sprintf(buf, "%s%s", fore200e->bus->proc_name, FW_EXT); | |
aff9d262 | 2429 | if ((err = request_firmware(&firmware, buf, fore200e->dev)) < 0) { |
fcffd0d8 | 2430 | printk(FORE200E "problem loading firmware image %s\n", fore200e->bus->model_name); |
e92481f9 CW |
2431 | return err; |
2432 | } | |
2433 | ||
b65b24d4 | 2434 | fw_data = (const __le32 *)firmware->data; |
e92481f9 | 2435 | fw_size = firmware->size / sizeof(u32); |
b65b24d4 | 2436 | fw_header = (const struct fw_header *)firmware->data; |
e92481f9 CW |
2437 | load_addr = fore200e->virt_base + le32_to_cpu(fw_header->load_offset); |
2438 | ||
2439 | DPRINTK(2, "device %s firmware being loaded at 0x%p (%d words)\n", | |
2440 | fore200e->name, load_addr, fw_size); | |
2441 | ||
2442 | if (le32_to_cpu(fw_header->magic) != FW_HEADER_MAGIC) { | |
2443 | printk(FORE200E "corrupted %s firmware image\n", fore200e->bus->model_name); | |
2444 | goto release; | |
2445 | } | |
2446 | ||
2447 | for (; fw_size--; fw_data++, load_addr++) | |
2448 | fore200e->bus->write(le32_to_cpu(*fw_data), load_addr); | |
1da177e4 LT |
2449 | |
2450 | DPRINTK(2, "device %s firmware being started\n", fore200e->name); | |
2451 | ||
2452 | #if defined(__sparc_v9__) | |
2453 | /* reported to be required by SBA cards on some sparc64 hosts */ | |
2454 | fore200e_spin(100); | |
2455 | #endif | |
2456 | ||
e92481f9 CW |
2457 | sprintf(buf, "\rgo %x\r", le32_to_cpu(fw_header->start_offset)); |
2458 | fore200e_monitor_puts(fore200e, buf); | |
1da177e4 | 2459 | |
e92481f9 | 2460 | if (fore200e_io_poll(fore200e, &fore200e->cp_monitor->bstat, BSTAT_CP_RUNNING, 1000) == 0) { |
1da177e4 | 2461 | printk(FORE200E "device %s firmware didn't start\n", fore200e->name); |
e92481f9 | 2462 | goto release; |
1da177e4 LT |
2463 | } |
2464 | ||
2465 | printk(FORE200E "device %s firmware started\n", fore200e->name); | |
2466 | ||
2467 | fore200e->state = FORE200E_STATE_START_FW; | |
e92481f9 | 2468 | err = 0; |
1da177e4 | 2469 | |
e92481f9 CW |
2470 | release: |
2471 | release_firmware(firmware); | |
2472 | return err; | |
1da177e4 LT |
2473 | } |
2474 | ||
2475 | ||
6c44512d | 2476 | static int fore200e_register(struct fore200e *fore200e, struct device *parent) |
1da177e4 LT |
2477 | { |
2478 | struct atm_dev* atm_dev; | |
2479 | ||
2480 | DPRINTK(2, "device %s being registered\n", fore200e->name); | |
2481 | ||
d9ca676b DW |
2482 | atm_dev = atm_dev_register(fore200e->bus->proc_name, parent, &fore200e_ops, |
2483 | -1, NULL); | |
1da177e4 LT |
2484 | if (atm_dev == NULL) { |
2485 | printk(FORE200E "unable to register device %s\n", fore200e->name); | |
2486 | return -ENODEV; | |
2487 | } | |
2488 | ||
2489 | atm_dev->dev_data = fore200e; | |
2490 | fore200e->atm_dev = atm_dev; | |
2491 | ||
2492 | atm_dev->ci_range.vpi_bits = FORE200E_VPI_BITS; | |
2493 | atm_dev->ci_range.vci_bits = FORE200E_VCI_BITS; | |
2494 | ||
2495 | fore200e->available_cell_rate = ATM_OC3_PCR; | |
2496 | ||
2497 | fore200e->state = FORE200E_STATE_REGISTER; | |
2498 | return 0; | |
2499 | } | |
2500 | ||
2501 | ||
6c44512d | 2502 | static int fore200e_init(struct fore200e *fore200e, struct device *parent) |
1da177e4 | 2503 | { |
d9ca676b | 2504 | if (fore200e_register(fore200e, parent) < 0) |
1da177e4 LT |
2505 | return -ENODEV; |
2506 | ||
2507 | if (fore200e->bus->configure(fore200e) < 0) | |
2508 | return -ENODEV; | |
2509 | ||
2510 | if (fore200e->bus->map(fore200e) < 0) | |
2511 | return -ENODEV; | |
2512 | ||
2513 | if (fore200e_reset(fore200e, 1) < 0) | |
2514 | return -ENODEV; | |
2515 | ||
e92481f9 | 2516 | if (fore200e_load_and_start_fw(fore200e) < 0) |
1da177e4 LT |
2517 | return -ENODEV; |
2518 | ||
2519 | if (fore200e_initialize(fore200e) < 0) | |
2520 | return -ENODEV; | |
2521 | ||
2522 | if (fore200e_init_cmd_queue(fore200e) < 0) | |
2523 | return -ENOMEM; | |
2524 | ||
2525 | if (fore200e_init_tx_queue(fore200e) < 0) | |
2526 | return -ENOMEM; | |
2527 | ||
2528 | if (fore200e_init_rx_queue(fore200e) < 0) | |
2529 | return -ENOMEM; | |
2530 | ||
2531 | if (fore200e_init_bs_queue(fore200e) < 0) | |
2532 | return -ENOMEM; | |
2533 | ||
2534 | if (fore200e_alloc_rx_buf(fore200e) < 0) | |
2535 | return -ENOMEM; | |
2536 | ||
2537 | if (fore200e_get_esi(fore200e) < 0) | |
2538 | return -EIO; | |
2539 | ||
2540 | if (fore200e_irq_request(fore200e) < 0) | |
2541 | return -EBUSY; | |
2542 | ||
2543 | fore200e_supply(fore200e); | |
c027f5f9 | 2544 | |
1da177e4 LT |
2545 | /* all done, board initialization is now complete */ |
2546 | fore200e->state = FORE200E_STATE_COMPLETE; | |
2547 | return 0; | |
2548 | } | |
2549 | ||
826b6cfc | 2550 | #ifdef CONFIG_SBUS |
b1608d69 | 2551 | static const struct of_device_id fore200e_sba_match[]; |
6c44512d | 2552 | static int fore200e_sba_probe(struct platform_device *op) |
826b6cfc | 2553 | { |
b1608d69 | 2554 | const struct of_device_id *match; |
826b6cfc DM |
2555 | struct fore200e *fore200e; |
2556 | static int index = 0; | |
2557 | int err; | |
2558 | ||
b1608d69 GL |
2559 | match = of_match_device(fore200e_sba_match, &op->dev); |
2560 | if (!match) | |
1c48a5c9 | 2561 | return -EINVAL; |
1c48a5c9 | 2562 | |
826b6cfc DM |
2563 | fore200e = kzalloc(sizeof(struct fore200e), GFP_KERNEL); |
2564 | if (!fore200e) | |
2565 | return -ENOMEM; | |
2566 | ||
0efe5523 | 2567 | fore200e->bus = &fore200e_sbus_ops; |
aff9d262 | 2568 | fore200e->dev = &op->dev; |
1636f8ac | 2569 | fore200e->irq = op->archdata.irqs[0]; |
826b6cfc DM |
2570 | fore200e->phys_base = op->resource[0].start; |
2571 | ||
0efe5523 | 2572 | sprintf(fore200e->name, "SBA-200E-%d", index); |
826b6cfc | 2573 | |
d9ca676b | 2574 | err = fore200e_init(fore200e, &op->dev); |
826b6cfc DM |
2575 | if (err < 0) { |
2576 | fore200e_shutdown(fore200e); | |
2577 | kfree(fore200e); | |
2578 | return err; | |
2579 | } | |
2580 | ||
2581 | index++; | |
2582 | dev_set_drvdata(&op->dev, fore200e); | |
2583 | ||
2584 | return 0; | |
2585 | } | |
2586 | ||
6c44512d | 2587 | static int fore200e_sba_remove(struct platform_device *op) |
826b6cfc DM |
2588 | { |
2589 | struct fore200e *fore200e = dev_get_drvdata(&op->dev); | |
2590 | ||
2591 | fore200e_shutdown(fore200e); | |
2592 | kfree(fore200e); | |
2593 | ||
2594 | return 0; | |
2595 | } | |
2596 | ||
fd098316 | 2597 | static const struct of_device_id fore200e_sba_match[] = { |
826b6cfc DM |
2598 | { |
2599 | .name = SBA200E_PROM_NAME, | |
826b6cfc DM |
2600 | }, |
2601 | {}, | |
2602 | }; | |
2603 | MODULE_DEVICE_TABLE(of, fore200e_sba_match); | |
2604 | ||
1c48a5c9 | 2605 | static struct platform_driver fore200e_sba_driver = { |
4018294b GL |
2606 | .driver = { |
2607 | .name = "fore_200e", | |
4018294b GL |
2608 | .of_match_table = fore200e_sba_match, |
2609 | }, | |
826b6cfc | 2610 | .probe = fore200e_sba_probe, |
6c44512d | 2611 | .remove = fore200e_sba_remove, |
826b6cfc DM |
2612 | }; |
2613 | #endif | |
2614 | ||
e92481f9 | 2615 | #ifdef CONFIG_PCI |
6c44512d GKH |
2616 | static int fore200e_pca_detect(struct pci_dev *pci_dev, |
2617 | const struct pci_device_id *pci_ent) | |
1da177e4 | 2618 | { |
1da177e4 LT |
2619 | struct fore200e* fore200e; |
2620 | int err = 0; | |
2621 | static int index = 0; | |
2622 | ||
2623 | if (pci_enable_device(pci_dev)) { | |
2624 | err = -EINVAL; | |
2625 | goto out; | |
2626 | } | |
ede58ef2 C |
2627 | |
2628 | if (dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(32))) { | |
2629 | err = -EINVAL; | |
2630 | goto out; | |
2631 | } | |
1da177e4 | 2632 | |
1f8a5fb8 | 2633 | fore200e = kzalloc(sizeof(struct fore200e), GFP_KERNEL); |
1da177e4 LT |
2634 | if (fore200e == NULL) { |
2635 | err = -ENOMEM; | |
2636 | goto out_disable; | |
2637 | } | |
2638 | ||
0efe5523 | 2639 | fore200e->bus = &fore200e_pci_ops; |
aff9d262 | 2640 | fore200e->dev = &pci_dev->dev; |
1da177e4 LT |
2641 | fore200e->irq = pci_dev->irq; |
2642 | fore200e->phys_base = pci_resource_start(pci_dev, 0); | |
2643 | ||
0efe5523 | 2644 | sprintf(fore200e->name, "PCA-200E-%d", index - 1); |
1da177e4 LT |
2645 | |
2646 | pci_set_master(pci_dev); | |
2647 | ||
0efe5523 | 2648 | printk(FORE200E "device PCA-200E found at 0x%lx, IRQ %s\n", |
1da177e4 LT |
2649 | fore200e->phys_base, fore200e_irq_itoa(fore200e->irq)); |
2650 | ||
0efe5523 | 2651 | sprintf(fore200e->name, "PCA-200E-%d", index); |
1da177e4 | 2652 | |
d9ca676b | 2653 | err = fore200e_init(fore200e, &pci_dev->dev); |
1da177e4 LT |
2654 | if (err < 0) { |
2655 | fore200e_shutdown(fore200e); | |
2656 | goto out_free; | |
2657 | } | |
2658 | ||
2659 | ++index; | |
2660 | pci_set_drvdata(pci_dev, fore200e); | |
2661 | ||
2662 | out: | |
2663 | return err; | |
2664 | ||
2665 | out_free: | |
2666 | kfree(fore200e); | |
2667 | out_disable: | |
2668 | pci_disable_device(pci_dev); | |
2669 | goto out; | |
2670 | } | |
2671 | ||
2672 | ||
6c44512d | 2673 | static void fore200e_pca_remove_one(struct pci_dev *pci_dev) |
1da177e4 LT |
2674 | { |
2675 | struct fore200e *fore200e; | |
2676 | ||
2677 | fore200e = pci_get_drvdata(pci_dev); | |
2678 | ||
1da177e4 LT |
2679 | fore200e_shutdown(fore200e); |
2680 | kfree(fore200e); | |
2681 | pci_disable_device(pci_dev); | |
2682 | } | |
2683 | ||
2684 | ||
d5c5665d | 2685 | static const struct pci_device_id fore200e_pca_tbl[] = { |
0efe5523 | 2686 | { PCI_VENDOR_ID_FORE, PCI_DEVICE_ID_FORE_PCA200E, PCI_ANY_ID, PCI_ANY_ID }, |
1da177e4 LT |
2687 | { 0, } |
2688 | }; | |
2689 | ||
2690 | MODULE_DEVICE_TABLE(pci, fore200e_pca_tbl); | |
2691 | ||
2692 | static struct pci_driver fore200e_pca_driver = { | |
2693 | .name = "fore_200e", | |
2694 | .probe = fore200e_pca_detect, | |
6c44512d | 2695 | .remove = fore200e_pca_remove_one, |
1da177e4 LT |
2696 | .id_table = fore200e_pca_tbl, |
2697 | }; | |
2698 | #endif | |
2699 | ||
826b6cfc | 2700 | static int __init fore200e_module_init(void) |
1da177e4 | 2701 | { |
74e8ce34 | 2702 | int err = 0; |
1da177e4 | 2703 | |
826b6cfc | 2704 | printk(FORE200E "FORE Systems 200E-series ATM driver - version " FORE200E_VERSION "\n"); |
1da177e4 | 2705 | |
826b6cfc | 2706 | #ifdef CONFIG_SBUS |
1c48a5c9 | 2707 | err = platform_driver_register(&fore200e_sba_driver); |
826b6cfc DM |
2708 | if (err) |
2709 | return err; | |
2710 | #endif | |
1da177e4 | 2711 | |
e92481f9 | 2712 | #ifdef CONFIG_PCI |
826b6cfc | 2713 | err = pci_register_driver(&fore200e_pca_driver); |
1da177e4 LT |
2714 | #endif |
2715 | ||
826b6cfc DM |
2716 | #ifdef CONFIG_SBUS |
2717 | if (err) | |
1c48a5c9 | 2718 | platform_driver_unregister(&fore200e_sba_driver); |
826b6cfc | 2719 | #endif |
1da177e4 | 2720 | |
826b6cfc | 2721 | return err; |
1da177e4 LT |
2722 | } |
2723 | ||
826b6cfc | 2724 | static void __exit fore200e_module_cleanup(void) |
1da177e4 | 2725 | { |
e92481f9 | 2726 | #ifdef CONFIG_PCI |
826b6cfc DM |
2727 | pci_unregister_driver(&fore200e_pca_driver); |
2728 | #endif | |
2729 | #ifdef CONFIG_SBUS | |
1c48a5c9 | 2730 | platform_driver_unregister(&fore200e_sba_driver); |
1da177e4 | 2731 | #endif |
1da177e4 LT |
2732 | } |
2733 | ||
1da177e4 LT |
2734 | static int |
2735 | fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page) | |
2736 | { | |
2737 | struct fore200e* fore200e = FORE200E_DEV(dev); | |
2738 | struct fore200e_vcc* fore200e_vcc; | |
2739 | struct atm_vcc* vcc; | |
2740 | int i, len, left = *pos; | |
2741 | unsigned long flags; | |
2742 | ||
2743 | if (!left--) { | |
2744 | ||
2745 | if (fore200e_getstats(fore200e) < 0) | |
2746 | return -EIO; | |
2747 | ||
2748 | len = sprintf(page,"\n" | |
2749 | " device:\n" | |
2750 | " internal name:\t\t%s\n", fore200e->name); | |
2751 | ||
2752 | /* print bus-specific information */ | |
2753 | if (fore200e->bus->proc_read) | |
2754 | len += fore200e->bus->proc_read(fore200e, page + len); | |
2755 | ||
2756 | len += sprintf(page + len, | |
2757 | " interrupt line:\t\t%s\n" | |
2758 | " physical base address:\t0x%p\n" | |
2759 | " virtual base address:\t0x%p\n" | |
3008ab36 | 2760 | " factory address (ESI):\t%pM\n" |
1da177e4 LT |
2761 | " board serial number:\t\t%d\n\n", |
2762 | fore200e_irq_itoa(fore200e->irq), | |
2763 | (void*)fore200e->phys_base, | |
2764 | fore200e->virt_base, | |
3008ab36 | 2765 | fore200e->esi, |
1da177e4 LT |
2766 | fore200e->esi[4] * 256 + fore200e->esi[5]); |
2767 | ||
2768 | return len; | |
2769 | } | |
2770 | ||
2771 | if (!left--) | |
2772 | return sprintf(page, | |
2773 | " free small bufs, scheme 1:\t%d\n" | |
2774 | " free large bufs, scheme 1:\t%d\n" | |
2775 | " free small bufs, scheme 2:\t%d\n" | |
2776 | " free large bufs, scheme 2:\t%d\n", | |
2777 | fore200e->host_bsq[ BUFFER_SCHEME_ONE ][ BUFFER_MAGN_SMALL ].freebuf_count, | |
2778 | fore200e->host_bsq[ BUFFER_SCHEME_ONE ][ BUFFER_MAGN_LARGE ].freebuf_count, | |
2779 | fore200e->host_bsq[ BUFFER_SCHEME_TWO ][ BUFFER_MAGN_SMALL ].freebuf_count, | |
2780 | fore200e->host_bsq[ BUFFER_SCHEME_TWO ][ BUFFER_MAGN_LARGE ].freebuf_count); | |
2781 | ||
2782 | if (!left--) { | |
2783 | u32 hb = fore200e->bus->read(&fore200e->cp_queues->heartbeat); | |
2784 | ||
2785 | len = sprintf(page,"\n\n" | |
2786 | " cell processor:\n" | |
2787 | " heartbeat state:\t\t"); | |
2788 | ||
2789 | if (hb >> 16 != 0xDEAD) | |
2790 | len += sprintf(page + len, "0x%08x\n", hb); | |
2791 | else | |
2792 | len += sprintf(page + len, "*** FATAL ERROR %04x ***\n", hb & 0xFFFF); | |
2793 | ||
2794 | return len; | |
2795 | } | |
2796 | ||
2797 | if (!left--) { | |
2798 | static const char* media_name[] = { | |
2799 | "unshielded twisted pair", | |
2800 | "multimode optical fiber ST", | |
2801 | "multimode optical fiber SC", | |
2802 | "single-mode optical fiber ST", | |
2803 | "single-mode optical fiber SC", | |
2804 | "unknown" | |
2805 | }; | |
2806 | ||
2807 | static const char* oc3_mode[] = { | |
2808 | "normal operation", | |
2809 | "diagnostic loopback", | |
2810 | "line loopback", | |
2811 | "unknown" | |
2812 | }; | |
2813 | ||
2814 | u32 fw_release = fore200e->bus->read(&fore200e->cp_queues->fw_release); | |
2815 | u32 mon960_release = fore200e->bus->read(&fore200e->cp_queues->mon960_release); | |
2816 | u32 oc3_revision = fore200e->bus->read(&fore200e->cp_queues->oc3_revision); | |
2817 | u32 media_index = FORE200E_MEDIA_INDEX(fore200e->bus->read(&fore200e->cp_queues->media_type)); | |
2818 | u32 oc3_index; | |
2819 | ||
e0c5567d | 2820 | if (media_index > 4) |
2821 | media_index = 5; | |
1da177e4 LT |
2822 | |
2823 | switch (fore200e->loop_mode) { | |
2824 | case ATM_LM_NONE: oc3_index = 0; | |
2825 | break; | |
2826 | case ATM_LM_LOC_PHY: oc3_index = 1; | |
2827 | break; | |
2828 | case ATM_LM_RMT_PHY: oc3_index = 2; | |
2829 | break; | |
2830 | default: oc3_index = 3; | |
2831 | } | |
2832 | ||
2833 | return sprintf(page, | |
2834 | " firmware release:\t\t%d.%d.%d\n" | |
2835 | " monitor release:\t\t%d.%d\n" | |
2836 | " media type:\t\t\t%s\n" | |
2837 | " OC-3 revision:\t\t0x%x\n" | |
2838 | " OC-3 mode:\t\t\t%s", | |
2839 | fw_release >> 16, fw_release << 16 >> 24, fw_release << 24 >> 24, | |
2840 | mon960_release >> 16, mon960_release << 16 >> 16, | |
2841 | media_name[ media_index ], | |
2842 | oc3_revision, | |
2843 | oc3_mode[ oc3_index ]); | |
2844 | } | |
2845 | ||
2846 | if (!left--) { | |
2847 | struct cp_monitor __iomem * cp_monitor = fore200e->cp_monitor; | |
2848 | ||
2849 | return sprintf(page, | |
2850 | "\n\n" | |
2851 | " monitor:\n" | |
2852 | " version number:\t\t%d\n" | |
2853 | " boot status word:\t\t0x%08x\n", | |
2854 | fore200e->bus->read(&cp_monitor->mon_version), | |
2855 | fore200e->bus->read(&cp_monitor->bstat)); | |
2856 | } | |
2857 | ||
2858 | if (!left--) | |
2859 | return sprintf(page, | |
2860 | "\n" | |
2861 | " device statistics:\n" | |
2862 | " 4b5b:\n" | |
2863 | " crc_header_errors:\t\t%10u\n" | |
2864 | " framing_errors:\t\t%10u\n", | |
63734a32 AV |
2865 | be32_to_cpu(fore200e->stats->phy.crc_header_errors), |
2866 | be32_to_cpu(fore200e->stats->phy.framing_errors)); | |
1da177e4 LT |
2867 | |
2868 | if (!left--) | |
2869 | return sprintf(page, "\n" | |
2870 | " OC-3:\n" | |
2871 | " section_bip8_errors:\t%10u\n" | |
2872 | " path_bip8_errors:\t\t%10u\n" | |
2873 | " line_bip24_errors:\t\t%10u\n" | |
2874 | " line_febe_errors:\t\t%10u\n" | |
2875 | " path_febe_errors:\t\t%10u\n" | |
2876 | " corr_hcs_errors:\t\t%10u\n" | |
2877 | " ucorr_hcs_errors:\t\t%10u\n", | |
63734a32 AV |
2878 | be32_to_cpu(fore200e->stats->oc3.section_bip8_errors), |
2879 | be32_to_cpu(fore200e->stats->oc3.path_bip8_errors), | |
2880 | be32_to_cpu(fore200e->stats->oc3.line_bip24_errors), | |
2881 | be32_to_cpu(fore200e->stats->oc3.line_febe_errors), | |
2882 | be32_to_cpu(fore200e->stats->oc3.path_febe_errors), | |
2883 | be32_to_cpu(fore200e->stats->oc3.corr_hcs_errors), | |
2884 | be32_to_cpu(fore200e->stats->oc3.ucorr_hcs_errors)); | |
1da177e4 LT |
2885 | |
2886 | if (!left--) | |
2887 | return sprintf(page,"\n" | |
2888 | " ATM:\t\t\t\t cells\n" | |
2889 | " TX:\t\t\t%10u\n" | |
2890 | " RX:\t\t\t%10u\n" | |
2891 | " vpi out of range:\t\t%10u\n" | |
2892 | " vpi no conn:\t\t%10u\n" | |
2893 | " vci out of range:\t\t%10u\n" | |
2894 | " vci no conn:\t\t%10u\n", | |
63734a32 AV |
2895 | be32_to_cpu(fore200e->stats->atm.cells_transmitted), |
2896 | be32_to_cpu(fore200e->stats->atm.cells_received), | |
2897 | be32_to_cpu(fore200e->stats->atm.vpi_bad_range), | |
2898 | be32_to_cpu(fore200e->stats->atm.vpi_no_conn), | |
2899 | be32_to_cpu(fore200e->stats->atm.vci_bad_range), | |
2900 | be32_to_cpu(fore200e->stats->atm.vci_no_conn)); | |
1da177e4 LT |
2901 | |
2902 | if (!left--) | |
2903 | return sprintf(page,"\n" | |
2904 | " AAL0:\t\t\t cells\n" | |
2905 | " TX:\t\t\t%10u\n" | |
2906 | " RX:\t\t\t%10u\n" | |
2907 | " dropped:\t\t\t%10u\n", | |
63734a32 AV |
2908 | be32_to_cpu(fore200e->stats->aal0.cells_transmitted), |
2909 | be32_to_cpu(fore200e->stats->aal0.cells_received), | |
2910 | be32_to_cpu(fore200e->stats->aal0.cells_dropped)); | |
1da177e4 LT |
2911 | |
2912 | if (!left--) | |
2913 | return sprintf(page,"\n" | |
2914 | " AAL3/4:\n" | |
2915 | " SAR sublayer:\t\t cells\n" | |
2916 | " TX:\t\t\t%10u\n" | |
2917 | " RX:\t\t\t%10u\n" | |
2918 | " dropped:\t\t\t%10u\n" | |
2919 | " CRC errors:\t\t%10u\n" | |
2920 | " protocol errors:\t\t%10u\n\n" | |
2921 | " CS sublayer:\t\t PDUs\n" | |
2922 | " TX:\t\t\t%10u\n" | |
2923 | " RX:\t\t\t%10u\n" | |
2924 | " dropped:\t\t\t%10u\n" | |
2925 | " protocol errors:\t\t%10u\n", | |
63734a32 AV |
2926 | be32_to_cpu(fore200e->stats->aal34.cells_transmitted), |
2927 | be32_to_cpu(fore200e->stats->aal34.cells_received), | |
2928 | be32_to_cpu(fore200e->stats->aal34.cells_dropped), | |
2929 | be32_to_cpu(fore200e->stats->aal34.cells_crc_errors), | |
2930 | be32_to_cpu(fore200e->stats->aal34.cells_protocol_errors), | |
2931 | be32_to_cpu(fore200e->stats->aal34.cspdus_transmitted), | |
2932 | be32_to_cpu(fore200e->stats->aal34.cspdus_received), | |
2933 | be32_to_cpu(fore200e->stats->aal34.cspdus_dropped), | |
2934 | be32_to_cpu(fore200e->stats->aal34.cspdus_protocol_errors)); | |
1da177e4 LT |
2935 | |
2936 | if (!left--) | |
2937 | return sprintf(page,"\n" | |
2938 | " AAL5:\n" | |
2939 | " SAR sublayer:\t\t cells\n" | |
2940 | " TX:\t\t\t%10u\n" | |
2941 | " RX:\t\t\t%10u\n" | |
2942 | " dropped:\t\t\t%10u\n" | |
2943 | " congestions:\t\t%10u\n\n" | |
2944 | " CS sublayer:\t\t PDUs\n" | |
2945 | " TX:\t\t\t%10u\n" | |
2946 | " RX:\t\t\t%10u\n" | |
2947 | " dropped:\t\t\t%10u\n" | |
2948 | " CRC errors:\t\t%10u\n" | |
2949 | " protocol errors:\t\t%10u\n", | |
63734a32 AV |
2950 | be32_to_cpu(fore200e->stats->aal5.cells_transmitted), |
2951 | be32_to_cpu(fore200e->stats->aal5.cells_received), | |
2952 | be32_to_cpu(fore200e->stats->aal5.cells_dropped), | |
2953 | be32_to_cpu(fore200e->stats->aal5.congestion_experienced), | |
2954 | be32_to_cpu(fore200e->stats->aal5.cspdus_transmitted), | |
2955 | be32_to_cpu(fore200e->stats->aal5.cspdus_received), | |
2956 | be32_to_cpu(fore200e->stats->aal5.cspdus_dropped), | |
2957 | be32_to_cpu(fore200e->stats->aal5.cspdus_crc_errors), | |
2958 | be32_to_cpu(fore200e->stats->aal5.cspdus_protocol_errors)); | |
1da177e4 LT |
2959 | |
2960 | if (!left--) | |
2961 | return sprintf(page,"\n" | |
2962 | " AUX:\t\t allocation failures\n" | |
2963 | " small b1:\t\t\t%10u\n" | |
2964 | " large b1:\t\t\t%10u\n" | |
2965 | " small b2:\t\t\t%10u\n" | |
2966 | " large b2:\t\t\t%10u\n" | |
2967 | " RX PDUs:\t\t\t%10u\n" | |
2968 | " TX PDUs:\t\t\t%10lu\n", | |
63734a32 AV |
2969 | be32_to_cpu(fore200e->stats->aux.small_b1_failed), |
2970 | be32_to_cpu(fore200e->stats->aux.large_b1_failed), | |
2971 | be32_to_cpu(fore200e->stats->aux.small_b2_failed), | |
2972 | be32_to_cpu(fore200e->stats->aux.large_b2_failed), | |
2973 | be32_to_cpu(fore200e->stats->aux.rpd_alloc_failed), | |
1da177e4 LT |
2974 | fore200e->tx_sat); |
2975 | ||
2976 | if (!left--) | |
2977 | return sprintf(page,"\n" | |
2978 | " receive carrier:\t\t\t%s\n", | |
2979 | fore200e->stats->aux.receive_carrier ? "ON" : "OFF!"); | |
2980 | ||
2981 | if (!left--) { | |
2982 | return sprintf(page,"\n" | |
2983 | " VCCs:\n address VPI VCI AAL " | |
2984 | "TX PDUs TX min/max size RX PDUs RX min/max size\n"); | |
2985 | } | |
2986 | ||
2987 | for (i = 0; i < NBR_CONNECT; i++) { | |
2988 | ||
2989 | vcc = fore200e->vc_map[i].vcc; | |
2990 | ||
2991 | if (vcc == NULL) | |
2992 | continue; | |
2993 | ||
2994 | spin_lock_irqsave(&fore200e->q_lock, flags); | |
2995 | ||
2996 | if (vcc && test_bit(ATM_VF_READY, &vcc->flags) && !left--) { | |
2997 | ||
2998 | fore200e_vcc = FORE200E_VCC(vcc); | |
2999 | ASSERT(fore200e_vcc); | |
3000 | ||
3001 | len = sprintf(page, | |
22dac9f1 CIK |
3002 | " %pK %03d %05d %1d %09lu %05d/%05d %09lu %05d/%05d\n", |
3003 | vcc, | |
1da177e4 LT |
3004 | vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), |
3005 | fore200e_vcc->tx_pdu, | |
3006 | fore200e_vcc->tx_min_pdu > 0xFFFF ? 0 : fore200e_vcc->tx_min_pdu, | |
3007 | fore200e_vcc->tx_max_pdu, | |
3008 | fore200e_vcc->rx_pdu, | |
3009 | fore200e_vcc->rx_min_pdu > 0xFFFF ? 0 : fore200e_vcc->rx_min_pdu, | |
3010 | fore200e_vcc->rx_max_pdu); | |
3011 | ||
3012 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | |
3013 | return len; | |
3014 | } | |
3015 | ||
3016 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | |
3017 | } | |
3018 | ||
3019 | return 0; | |
3020 | } | |
3021 | ||
3022 | module_init(fore200e_module_init); | |
3023 | module_exit(fore200e_module_cleanup); | |
3024 | ||
3025 | ||
0efe5523 | 3026 | static const struct atmdev_ops fore200e_ops = { |
1da177e4 LT |
3027 | .open = fore200e_open, |
3028 | .close = fore200e_close, | |
3029 | .ioctl = fore200e_ioctl, | |
3030 | .getsockopt = fore200e_getsockopt, | |
3031 | .setsockopt = fore200e_setsockopt, | |
3032 | .send = fore200e_send, | |
3033 | .change_qos = fore200e_change_qos, | |
3034 | .proc_read = fore200e_proc_read, | |
3035 | .owner = THIS_MODULE | |
3036 | }; | |
3037 | ||
1da177e4 | 3038 | MODULE_LICENSE("GPL"); |
6f75a9b6 CW |
3039 | #ifdef CONFIG_PCI |
3040 | #ifdef __LITTLE_ENDIAN__ | |
3041 | MODULE_FIRMWARE("pca200e.bin"); | |
3042 | #else | |
3043 | MODULE_FIRMWARE("pca200e_ecd.bin2"); | |
3044 | #endif | |
3045 | #endif /* CONFIG_PCI */ | |
3046 | #ifdef CONFIG_SBUS | |
3047 | MODULE_FIRMWARE("sba200e_ecd.bin2"); | |
1da177e4 | 3048 | #endif |