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af19b491 AKS |
1 | /* |
2 | * Copyright (C) 2009 - QLogic Corporation. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version 2 | |
8 | * of the License, or (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | * MA 02111-1307, USA. | |
19 | * | |
20 | * The full GNU General Public License is included in this distribution | |
21 | * in the file called "COPYING". | |
22 | * | |
23 | */ | |
24 | ||
25 | #include <linux/netdevice.h> | |
26 | #include <linux/delay.h> | |
27 | #include "qlcnic.h" | |
28 | ||
29 | struct crb_addr_pair { | |
30 | u32 addr; | |
31 | u32 data; | |
32 | }; | |
33 | ||
34 | #define QLCNIC_MAX_CRB_XFORM 60 | |
35 | static unsigned int crb_addr_xform[QLCNIC_MAX_CRB_XFORM]; | |
36 | ||
37 | #define crb_addr_transform(name) \ | |
38 | (crb_addr_xform[QLCNIC_HW_PX_MAP_CRB_##name] = \ | |
39 | QLCNIC_HW_CRB_HUB_AGT_ADR_##name << 20) | |
40 | ||
41 | #define QLCNIC_ADDR_ERROR (0xffffffff) | |
42 | ||
43 | static void | |
44 | qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter, | |
45 | struct qlcnic_host_rds_ring *rds_ring); | |
46 | ||
47 | static void crb_addr_transform_setup(void) | |
48 | { | |
49 | crb_addr_transform(XDMA); | |
50 | crb_addr_transform(TIMR); | |
51 | crb_addr_transform(SRE); | |
52 | crb_addr_transform(SQN3); | |
53 | crb_addr_transform(SQN2); | |
54 | crb_addr_transform(SQN1); | |
55 | crb_addr_transform(SQN0); | |
56 | crb_addr_transform(SQS3); | |
57 | crb_addr_transform(SQS2); | |
58 | crb_addr_transform(SQS1); | |
59 | crb_addr_transform(SQS0); | |
60 | crb_addr_transform(RPMX7); | |
61 | crb_addr_transform(RPMX6); | |
62 | crb_addr_transform(RPMX5); | |
63 | crb_addr_transform(RPMX4); | |
64 | crb_addr_transform(RPMX3); | |
65 | crb_addr_transform(RPMX2); | |
66 | crb_addr_transform(RPMX1); | |
67 | crb_addr_transform(RPMX0); | |
68 | crb_addr_transform(ROMUSB); | |
69 | crb_addr_transform(SN); | |
70 | crb_addr_transform(QMN); | |
71 | crb_addr_transform(QMS); | |
72 | crb_addr_transform(PGNI); | |
73 | crb_addr_transform(PGND); | |
74 | crb_addr_transform(PGN3); | |
75 | crb_addr_transform(PGN2); | |
76 | crb_addr_transform(PGN1); | |
77 | crb_addr_transform(PGN0); | |
78 | crb_addr_transform(PGSI); | |
79 | crb_addr_transform(PGSD); | |
80 | crb_addr_transform(PGS3); | |
81 | crb_addr_transform(PGS2); | |
82 | crb_addr_transform(PGS1); | |
83 | crb_addr_transform(PGS0); | |
84 | crb_addr_transform(PS); | |
85 | crb_addr_transform(PH); | |
86 | crb_addr_transform(NIU); | |
87 | crb_addr_transform(I2Q); | |
88 | crb_addr_transform(EG); | |
89 | crb_addr_transform(MN); | |
90 | crb_addr_transform(MS); | |
91 | crb_addr_transform(CAS2); | |
92 | crb_addr_transform(CAS1); | |
93 | crb_addr_transform(CAS0); | |
94 | crb_addr_transform(CAM); | |
95 | crb_addr_transform(C2C1); | |
96 | crb_addr_transform(C2C0); | |
97 | crb_addr_transform(SMB); | |
98 | crb_addr_transform(OCM0); | |
99 | crb_addr_transform(I2C0); | |
100 | } | |
101 | ||
102 | void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter) | |
103 | { | |
104 | struct qlcnic_recv_context *recv_ctx; | |
105 | struct qlcnic_host_rds_ring *rds_ring; | |
106 | struct qlcnic_rx_buffer *rx_buf; | |
107 | int i, ring; | |
108 | ||
109 | recv_ctx = &adapter->recv_ctx; | |
110 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
111 | rds_ring = &recv_ctx->rds_rings[ring]; | |
112 | for (i = 0; i < rds_ring->num_desc; ++i) { | |
113 | rx_buf = &(rds_ring->rx_buf_arr[i]); | |
114 | if (rx_buf->state == QLCNIC_BUFFER_FREE) | |
115 | continue; | |
116 | pci_unmap_single(adapter->pdev, | |
117 | rx_buf->dma, | |
118 | rds_ring->dma_size, | |
119 | PCI_DMA_FROMDEVICE); | |
120 | if (rx_buf->skb != NULL) | |
121 | dev_kfree_skb_any(rx_buf->skb); | |
122 | } | |
123 | } | |
124 | } | |
125 | ||
126 | void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter) | |
127 | { | |
128 | struct qlcnic_cmd_buffer *cmd_buf; | |
129 | struct qlcnic_skb_frag *buffrag; | |
130 | int i, j; | |
131 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
132 | ||
133 | cmd_buf = tx_ring->cmd_buf_arr; | |
134 | for (i = 0; i < tx_ring->num_desc; i++) { | |
135 | buffrag = cmd_buf->frag_array; | |
136 | if (buffrag->dma) { | |
137 | pci_unmap_single(adapter->pdev, buffrag->dma, | |
138 | buffrag->length, PCI_DMA_TODEVICE); | |
139 | buffrag->dma = 0ULL; | |
140 | } | |
141 | for (j = 0; j < cmd_buf->frag_count; j++) { | |
142 | buffrag++; | |
143 | if (buffrag->dma) { | |
144 | pci_unmap_page(adapter->pdev, buffrag->dma, | |
145 | buffrag->length, | |
146 | PCI_DMA_TODEVICE); | |
147 | buffrag->dma = 0ULL; | |
148 | } | |
149 | } | |
150 | if (cmd_buf->skb) { | |
151 | dev_kfree_skb_any(cmd_buf->skb); | |
152 | cmd_buf->skb = NULL; | |
153 | } | |
154 | cmd_buf++; | |
155 | } | |
156 | } | |
157 | ||
158 | void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter) | |
159 | { | |
160 | struct qlcnic_recv_context *recv_ctx; | |
161 | struct qlcnic_host_rds_ring *rds_ring; | |
162 | struct qlcnic_host_tx_ring *tx_ring; | |
163 | int ring; | |
164 | ||
165 | recv_ctx = &adapter->recv_ctx; | |
166 | ||
167 | if (recv_ctx->rds_rings == NULL) | |
168 | goto skip_rds; | |
169 | ||
170 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
171 | rds_ring = &recv_ctx->rds_rings[ring]; | |
172 | vfree(rds_ring->rx_buf_arr); | |
173 | rds_ring->rx_buf_arr = NULL; | |
174 | } | |
175 | kfree(recv_ctx->rds_rings); | |
176 | ||
177 | skip_rds: | |
178 | if (adapter->tx_ring == NULL) | |
179 | return; | |
180 | ||
181 | tx_ring = adapter->tx_ring; | |
182 | vfree(tx_ring->cmd_buf_arr); | |
183 | kfree(adapter->tx_ring); | |
184 | } | |
185 | ||
186 | int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter) | |
187 | { | |
188 | struct qlcnic_recv_context *recv_ctx; | |
189 | struct qlcnic_host_rds_ring *rds_ring; | |
190 | struct qlcnic_host_sds_ring *sds_ring; | |
191 | struct qlcnic_host_tx_ring *tx_ring; | |
192 | struct qlcnic_rx_buffer *rx_buf; | |
193 | int ring, i, size; | |
194 | ||
195 | struct qlcnic_cmd_buffer *cmd_buf_arr; | |
196 | struct net_device *netdev = adapter->netdev; | |
197 | ||
198 | size = sizeof(struct qlcnic_host_tx_ring); | |
199 | tx_ring = kzalloc(size, GFP_KERNEL); | |
200 | if (tx_ring == NULL) { | |
201 | dev_err(&netdev->dev, "failed to allocate tx ring struct\n"); | |
202 | return -ENOMEM; | |
203 | } | |
204 | adapter->tx_ring = tx_ring; | |
205 | ||
206 | tx_ring->num_desc = adapter->num_txd; | |
207 | tx_ring->txq = netdev_get_tx_queue(netdev, 0); | |
208 | ||
209 | cmd_buf_arr = vmalloc(TX_BUFF_RINGSIZE(tx_ring)); | |
210 | if (cmd_buf_arr == NULL) { | |
211 | dev_err(&netdev->dev, "failed to allocate cmd buffer ring\n"); | |
212 | return -ENOMEM; | |
213 | } | |
214 | memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); | |
215 | tx_ring->cmd_buf_arr = cmd_buf_arr; | |
216 | ||
217 | recv_ctx = &adapter->recv_ctx; | |
218 | ||
219 | size = adapter->max_rds_rings * sizeof(struct qlcnic_host_rds_ring); | |
220 | rds_ring = kzalloc(size, GFP_KERNEL); | |
221 | if (rds_ring == NULL) { | |
222 | dev_err(&netdev->dev, "failed to allocate rds ring struct\n"); | |
223 | return -ENOMEM; | |
224 | } | |
225 | recv_ctx->rds_rings = rds_ring; | |
226 | ||
227 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
228 | rds_ring = &recv_ctx->rds_rings[ring]; | |
229 | switch (ring) { | |
230 | case RCV_RING_NORMAL: | |
231 | rds_ring->num_desc = adapter->num_rxd; | |
232 | if (adapter->ahw.cut_through) { | |
233 | rds_ring->dma_size = | |
234 | QLCNIC_CT_DEFAULT_RX_BUF_LEN; | |
235 | rds_ring->skb_size = | |
236 | QLCNIC_CT_DEFAULT_RX_BUF_LEN; | |
237 | } else { | |
238 | rds_ring->dma_size = | |
239 | QLCNIC_P3_RX_BUF_MAX_LEN; | |
240 | rds_ring->skb_size = | |
241 | rds_ring->dma_size + NET_IP_ALIGN; | |
242 | } | |
243 | break; | |
244 | ||
245 | case RCV_RING_JUMBO: | |
246 | rds_ring->num_desc = adapter->num_jumbo_rxd; | |
247 | rds_ring->dma_size = | |
248 | QLCNIC_P3_RX_JUMBO_BUF_MAX_LEN; | |
249 | ||
250 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) | |
251 | rds_ring->dma_size += QLCNIC_LRO_BUFFER_EXTRA; | |
252 | ||
253 | rds_ring->skb_size = | |
254 | rds_ring->dma_size + NET_IP_ALIGN; | |
255 | break; | |
256 | ||
257 | case RCV_RING_LRO: | |
258 | rds_ring->num_desc = adapter->num_lro_rxd; | |
259 | rds_ring->dma_size = QLCNIC_RX_LRO_BUFFER_LENGTH; | |
260 | rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN; | |
261 | break; | |
262 | ||
263 | } | |
264 | rds_ring->rx_buf_arr = (struct qlcnic_rx_buffer *) | |
265 | vmalloc(RCV_BUFF_RINGSIZE(rds_ring)); | |
266 | if (rds_ring->rx_buf_arr == NULL) { | |
267 | dev_err(&netdev->dev, "Failed to allocate " | |
268 | "rx buffer ring %d\n", ring); | |
269 | goto err_out; | |
270 | } | |
271 | memset(rds_ring->rx_buf_arr, 0, RCV_BUFF_RINGSIZE(rds_ring)); | |
272 | INIT_LIST_HEAD(&rds_ring->free_list); | |
273 | /* | |
274 | * Now go through all of them, set reference handles | |
275 | * and put them in the queues. | |
276 | */ | |
277 | rx_buf = rds_ring->rx_buf_arr; | |
278 | for (i = 0; i < rds_ring->num_desc; i++) { | |
279 | list_add_tail(&rx_buf->list, | |
280 | &rds_ring->free_list); | |
281 | rx_buf->ref_handle = i; | |
282 | rx_buf->state = QLCNIC_BUFFER_FREE; | |
283 | rx_buf++; | |
284 | } | |
285 | spin_lock_init(&rds_ring->lock); | |
286 | } | |
287 | ||
288 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
289 | sds_ring = &recv_ctx->sds_rings[ring]; | |
290 | sds_ring->irq = adapter->msix_entries[ring].vector; | |
291 | sds_ring->adapter = adapter; | |
292 | sds_ring->num_desc = adapter->num_rxd; | |
293 | ||
294 | for (i = 0; i < NUM_RCV_DESC_RINGS; i++) | |
295 | INIT_LIST_HEAD(&sds_ring->free_list[i]); | |
296 | } | |
297 | ||
298 | return 0; | |
299 | ||
300 | err_out: | |
301 | qlcnic_free_sw_resources(adapter); | |
302 | return -ENOMEM; | |
303 | } | |
304 | ||
305 | /* | |
306 | * Utility to translate from internal Phantom CRB address | |
307 | * to external PCI CRB address. | |
308 | */ | |
309 | static u32 qlcnic_decode_crb_addr(u32 addr) | |
310 | { | |
311 | int i; | |
312 | u32 base_addr, offset, pci_base; | |
313 | ||
314 | crb_addr_transform_setup(); | |
315 | ||
316 | pci_base = QLCNIC_ADDR_ERROR; | |
317 | base_addr = addr & 0xfff00000; | |
318 | offset = addr & 0x000fffff; | |
319 | ||
320 | for (i = 0; i < QLCNIC_MAX_CRB_XFORM; i++) { | |
321 | if (crb_addr_xform[i] == base_addr) { | |
322 | pci_base = i << 20; | |
323 | break; | |
324 | } | |
325 | } | |
326 | if (pci_base == QLCNIC_ADDR_ERROR) | |
327 | return pci_base; | |
328 | else | |
329 | return pci_base + offset; | |
330 | } | |
331 | ||
332 | #define QLCNIC_MAX_ROM_WAIT_USEC 100 | |
333 | ||
334 | static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter) | |
335 | { | |
336 | long timeout = 0; | |
337 | long done = 0; | |
338 | ||
339 | cond_resched(); | |
340 | ||
341 | while (done == 0) { | |
342 | done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS); | |
343 | done &= 2; | |
344 | if (++timeout >= QLCNIC_MAX_ROM_WAIT_USEC) { | |
345 | dev_err(&adapter->pdev->dev, | |
346 | "Timeout reached waiting for rom done"); | |
347 | return -EIO; | |
348 | } | |
349 | udelay(1); | |
350 | } | |
351 | return 0; | |
352 | } | |
353 | ||
354 | static int do_rom_fast_read(struct qlcnic_adapter *adapter, | |
355 | int addr, int *valp) | |
356 | { | |
357 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ADDRESS, addr); | |
358 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); | |
359 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 3); | |
360 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_INSTR_OPCODE, 0xb); | |
361 | if (qlcnic_wait_rom_done(adapter)) { | |
362 | dev_err(&adapter->pdev->dev, "Error waiting for rom done\n"); | |
363 | return -EIO; | |
364 | } | |
365 | /* reset abyte_cnt and dummy_byte_cnt */ | |
366 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 0); | |
367 | udelay(10); | |
368 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); | |
369 | ||
370 | *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA); | |
371 | return 0; | |
372 | } | |
373 | ||
374 | static int do_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr, | |
375 | u8 *bytes, size_t size) | |
376 | { | |
377 | int addridx; | |
378 | int ret = 0; | |
379 | ||
380 | for (addridx = addr; addridx < (addr + size); addridx += 4) { | |
381 | int v; | |
382 | ret = do_rom_fast_read(adapter, addridx, &v); | |
383 | if (ret != 0) | |
384 | break; | |
385 | *(__le32 *)bytes = cpu_to_le32(v); | |
386 | bytes += 4; | |
387 | } | |
388 | ||
389 | return ret; | |
390 | } | |
391 | ||
392 | int | |
393 | qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr, | |
394 | u8 *bytes, size_t size) | |
395 | { | |
396 | int ret; | |
397 | ||
398 | ret = qlcnic_rom_lock(adapter); | |
399 | if (ret < 0) | |
400 | return ret; | |
401 | ||
402 | ret = do_rom_fast_read_words(adapter, addr, bytes, size); | |
403 | ||
404 | qlcnic_rom_unlock(adapter); | |
405 | return ret; | |
406 | } | |
407 | ||
408 | int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, int addr, int *valp) | |
409 | { | |
410 | int ret; | |
411 | ||
412 | if (qlcnic_rom_lock(adapter) != 0) | |
413 | return -EIO; | |
414 | ||
415 | ret = do_rom_fast_read(adapter, addr, valp); | |
416 | qlcnic_rom_unlock(adapter); | |
417 | return ret; | |
418 | } | |
419 | ||
420 | int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) | |
421 | { | |
422 | int addr, val; | |
423 | int i, n, init_delay; | |
424 | struct crb_addr_pair *buf; | |
425 | unsigned offset; | |
426 | u32 off; | |
427 | struct pci_dev *pdev = adapter->pdev; | |
428 | ||
429 | /* resetall */ | |
430 | qlcnic_rom_lock(adapter); | |
431 | QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xffffffff); | |
432 | qlcnic_rom_unlock(adapter); | |
433 | ||
434 | if (qlcnic_rom_fast_read(adapter, 0, &n) != 0 || (n != 0xcafecafe) || | |
435 | qlcnic_rom_fast_read(adapter, 4, &n) != 0) { | |
436 | dev_err(&pdev->dev, "ERROR Reading crb_init area: val:%x\n", n); | |
437 | return -EIO; | |
438 | } | |
439 | offset = n & 0xffffU; | |
440 | n = (n >> 16) & 0xffffU; | |
441 | ||
442 | if (n >= 1024) { | |
443 | dev_err(&pdev->dev, "QLOGIC card flash not initialized.\n"); | |
444 | return -EIO; | |
445 | } | |
446 | ||
447 | buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL); | |
448 | if (buf == NULL) { | |
449 | dev_err(&pdev->dev, "Unable to calloc memory for rom read.\n"); | |
450 | return -ENOMEM; | |
451 | } | |
452 | ||
453 | for (i = 0; i < n; i++) { | |
454 | if (qlcnic_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 || | |
455 | qlcnic_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) { | |
456 | kfree(buf); | |
457 | return -EIO; | |
458 | } | |
459 | ||
460 | buf[i].addr = addr; | |
461 | buf[i].data = val; | |
462 | } | |
463 | ||
464 | for (i = 0; i < n; i++) { | |
465 | ||
466 | off = qlcnic_decode_crb_addr(buf[i].addr); | |
467 | if (off == QLCNIC_ADDR_ERROR) { | |
468 | dev_err(&pdev->dev, "CRB init value out of range %x\n", | |
469 | buf[i].addr); | |
470 | continue; | |
471 | } | |
472 | off += QLCNIC_PCI_CRBSPACE; | |
473 | ||
474 | if (off & 1) | |
475 | continue; | |
476 | ||
477 | /* skipping cold reboot MAGIC */ | |
478 | if (off == QLCNIC_CAM_RAM(0x1fc)) | |
479 | continue; | |
480 | if (off == (QLCNIC_CRB_I2C0 + 0x1c)) | |
481 | continue; | |
482 | if (off == (ROMUSB_GLB + 0xbc)) /* do not reset PCI */ | |
483 | continue; | |
484 | if (off == (ROMUSB_GLB + 0xa8)) | |
485 | continue; | |
486 | if (off == (ROMUSB_GLB + 0xc8)) /* core clock */ | |
487 | continue; | |
488 | if (off == (ROMUSB_GLB + 0x24)) /* MN clock */ | |
489 | continue; | |
490 | if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */ | |
491 | continue; | |
492 | if ((off & 0x0ff00000) == QLCNIC_CRB_DDR_NET) | |
493 | continue; | |
494 | /* skip the function enable register */ | |
495 | if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION)) | |
496 | continue; | |
497 | if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2)) | |
498 | continue; | |
499 | if ((off & 0x0ff00000) == QLCNIC_CRB_SMB) | |
500 | continue; | |
501 | ||
502 | init_delay = 1; | |
503 | /* After writing this register, HW needs time for CRB */ | |
504 | /* to quiet down (else crb_window returns 0xffffffff) */ | |
505 | if (off == QLCNIC_ROMUSB_GLB_SW_RESET) | |
506 | init_delay = 1000; | |
507 | ||
508 | QLCWR32(adapter, off, buf[i].data); | |
509 | ||
510 | msleep(init_delay); | |
511 | } | |
512 | kfree(buf); | |
513 | ||
514 | /* p2dn replyCount */ | |
515 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0xec, 0x1e); | |
516 | /* disable_peg_cache 0 & 1*/ | |
517 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0x4c, 8); | |
518 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_I + 0x4c, 8); | |
519 | ||
520 | /* peg_clr_all */ | |
521 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x8, 0); | |
522 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0xc, 0); | |
523 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x8, 0); | |
524 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0xc, 0); | |
525 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x8, 0); | |
526 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0xc, 0); | |
527 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x8, 0); | |
528 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0); | |
529 | return 0; | |
530 | } | |
531 | ||
532 | static int | |
533 | qlcnic_has_mn(struct qlcnic_adapter *adapter) | |
534 | { | |
535 | u32 capability, flashed_ver; | |
536 | capability = 0; | |
537 | ||
538 | qlcnic_rom_fast_read(adapter, | |
539 | QLCNIC_FW_VERSION_OFFSET, (int *)&flashed_ver); | |
540 | flashed_ver = QLCNIC_DECODE_VERSION(flashed_ver); | |
541 | ||
542 | if (flashed_ver >= QLCNIC_VERSION_CODE(4, 0, 220)) { | |
543 | ||
544 | capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY); | |
545 | if (capability & QLCNIC_PEG_TUNE_MN_PRESENT) | |
546 | return 1; | |
547 | } | |
548 | return 0; | |
549 | } | |
550 | ||
551 | static | |
552 | struct uni_table_desc *qlcnic_get_table_desc(const u8 *unirom, int section) | |
553 | { | |
554 | u32 i; | |
555 | struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0]; | |
556 | __le32 entries = cpu_to_le32(directory->num_entries); | |
557 | ||
558 | for (i = 0; i < entries; i++) { | |
559 | ||
560 | __le32 offs = cpu_to_le32(directory->findex) + | |
561 | (i * cpu_to_le32(directory->entry_size)); | |
562 | __le32 tab_type = cpu_to_le32(*((u32 *)&unirom[offs] + 8)); | |
563 | ||
564 | if (tab_type == section) | |
565 | return (struct uni_table_desc *) &unirom[offs]; | |
566 | } | |
567 | ||
568 | return NULL; | |
569 | } | |
570 | ||
b7eff100 SC |
571 | #define FILEHEADER_SIZE (14 * 4) |
572 | ||
af19b491 | 573 | static int |
b7eff100 | 574 | qlcnic_validate_header(struct qlcnic_adapter *adapter) |
af19b491 | 575 | { |
af19b491 | 576 | const u8 *unirom = adapter->fw->data; |
b7eff100 SC |
577 | struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0]; |
578 | __le32 fw_file_size = adapter->fw->size; | |
af19b491 | 579 | __le32 entries; |
b7eff100 SC |
580 | __le32 entry_size; |
581 | __le32 tab_size; | |
582 | ||
583 | if (fw_file_size < FILEHEADER_SIZE) | |
584 | return -EINVAL; | |
585 | ||
586 | entries = cpu_to_le32(directory->num_entries); | |
587 | entry_size = cpu_to_le32(directory->entry_size); | |
588 | tab_size = cpu_to_le32(directory->findex) + (entries * entry_size); | |
589 | ||
590 | if (fw_file_size < tab_size) | |
591 | return -EINVAL; | |
592 | ||
593 | return 0; | |
594 | } | |
595 | ||
596 | static int | |
597 | qlcnic_validate_bootld(struct qlcnic_adapter *adapter) | |
598 | { | |
599 | struct uni_table_desc *tab_desc; | |
600 | struct uni_data_desc *descr; | |
601 | const u8 *unirom = adapter->fw->data; | |
602 | int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] + | |
603 | QLCNIC_UNI_BOOTLD_IDX_OFF)); | |
604 | __le32 offs; | |
605 | __le32 tab_size; | |
606 | __le32 data_size; | |
607 | ||
608 | tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_BOOTLD); | |
609 | ||
610 | if (!tab_desc) | |
611 | return -EINVAL; | |
612 | ||
613 | tab_size = cpu_to_le32(tab_desc->findex) + | |
614 | (cpu_to_le32(tab_desc->entry_size * (idx + 1))); | |
615 | ||
616 | if (adapter->fw->size < tab_size) | |
617 | return -EINVAL; | |
618 | ||
619 | offs = cpu_to_le32(tab_desc->findex) + | |
620 | (cpu_to_le32(tab_desc->entry_size) * (idx)); | |
621 | descr = (struct uni_data_desc *)&unirom[offs]; | |
622 | ||
623 | data_size = descr->findex + cpu_to_le32(descr->size); | |
624 | ||
625 | if (adapter->fw->size < data_size) | |
626 | return -EINVAL; | |
627 | ||
628 | return 0; | |
629 | } | |
630 | ||
631 | static int | |
632 | qlcnic_validate_fw(struct qlcnic_adapter *adapter) | |
633 | { | |
634 | struct uni_table_desc *tab_desc; | |
635 | struct uni_data_desc *descr; | |
636 | const u8 *unirom = adapter->fw->data; | |
637 | int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] + | |
638 | QLCNIC_UNI_FIRMWARE_IDX_OFF)); | |
639 | __le32 offs; | |
640 | __le32 tab_size; | |
641 | __le32 data_size; | |
642 | ||
643 | tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_FW); | |
644 | ||
645 | if (!tab_desc) | |
646 | return -EINVAL; | |
647 | ||
648 | tab_size = cpu_to_le32(tab_desc->findex) + | |
649 | (cpu_to_le32(tab_desc->entry_size * (idx + 1))); | |
650 | ||
651 | if (adapter->fw->size < tab_size) | |
652 | return -EINVAL; | |
653 | ||
654 | offs = cpu_to_le32(tab_desc->findex) + | |
655 | (cpu_to_le32(tab_desc->entry_size) * (idx)); | |
656 | descr = (struct uni_data_desc *)&unirom[offs]; | |
657 | data_size = descr->findex + cpu_to_le32(descr->size); | |
658 | ||
659 | if (adapter->fw->size < data_size) | |
660 | return -EINVAL; | |
661 | ||
662 | return 0; | |
663 | } | |
664 | ||
665 | static int | |
666 | qlcnic_validate_product_offs(struct qlcnic_adapter *adapter) | |
667 | { | |
668 | struct uni_table_desc *ptab_descr; | |
669 | const u8 *unirom = adapter->fw->data; | |
af19b491 | 670 | int mn_present = qlcnic_has_mn(adapter); |
b7eff100 SC |
671 | __le32 entries; |
672 | __le32 entry_size; | |
673 | __le32 tab_size; | |
674 | u32 i; | |
af19b491 AKS |
675 | |
676 | ptab_descr = qlcnic_get_table_desc(unirom, | |
677 | QLCNIC_UNI_DIR_SECT_PRODUCT_TBL); | |
b7eff100 SC |
678 | if (!ptab_descr) |
679 | return -EINVAL; | |
af19b491 AKS |
680 | |
681 | entries = cpu_to_le32(ptab_descr->num_entries); | |
b7eff100 SC |
682 | entry_size = cpu_to_le32(ptab_descr->entry_size); |
683 | tab_size = cpu_to_le32(ptab_descr->findex) + (entries * entry_size); | |
684 | ||
685 | if (adapter->fw->size < tab_size) | |
686 | return -EINVAL; | |
687 | ||
af19b491 AKS |
688 | nomn: |
689 | for (i = 0; i < entries; i++) { | |
690 | ||
691 | __le32 flags, file_chiprev, offs; | |
692 | u8 chiprev = adapter->ahw.revision_id; | |
693 | u32 flagbit; | |
694 | ||
695 | offs = cpu_to_le32(ptab_descr->findex) + | |
696 | (i * cpu_to_le32(ptab_descr->entry_size)); | |
697 | flags = cpu_to_le32(*((int *)&unirom[offs] + | |
698 | QLCNIC_UNI_FLAGS_OFF)); | |
699 | file_chiprev = cpu_to_le32(*((int *)&unirom[offs] + | |
700 | QLCNIC_UNI_CHIP_REV_OFF)); | |
701 | ||
702 | flagbit = mn_present ? 1 : 2; | |
703 | ||
704 | if ((chiprev == file_chiprev) && | |
705 | ((1ULL << flagbit) & flags)) { | |
706 | adapter->file_prd_off = offs; | |
707 | return 0; | |
708 | } | |
709 | } | |
710 | if (mn_present) { | |
711 | mn_present = 0; | |
712 | goto nomn; | |
713 | } | |
b7eff100 SC |
714 | return -EINVAL; |
715 | } | |
716 | ||
717 | static int | |
718 | qlcnic_validate_unified_romimage(struct qlcnic_adapter *adapter) | |
719 | { | |
720 | if (qlcnic_validate_header(adapter)) { | |
721 | dev_err(&adapter->pdev->dev, | |
722 | "unified image: header validation failed\n"); | |
723 | return -EINVAL; | |
724 | } | |
725 | ||
726 | if (qlcnic_validate_product_offs(adapter)) { | |
727 | dev_err(&adapter->pdev->dev, | |
728 | "unified image: product validation failed\n"); | |
729 | return -EINVAL; | |
730 | } | |
731 | ||
732 | if (qlcnic_validate_bootld(adapter)) { | |
733 | dev_err(&adapter->pdev->dev, | |
734 | "unified image: bootld validation failed\n"); | |
735 | return -EINVAL; | |
736 | } | |
737 | ||
738 | if (qlcnic_validate_fw(adapter)) { | |
739 | dev_err(&adapter->pdev->dev, | |
740 | "unified image: firmware validation failed\n"); | |
741 | return -EINVAL; | |
742 | } | |
743 | ||
744 | return 0; | |
af19b491 AKS |
745 | } |
746 | ||
747 | static | |
748 | struct uni_data_desc *qlcnic_get_data_desc(struct qlcnic_adapter *adapter, | |
749 | u32 section, u32 idx_offset) | |
750 | { | |
751 | const u8 *unirom = adapter->fw->data; | |
752 | int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] + | |
753 | idx_offset)); | |
754 | struct uni_table_desc *tab_desc; | |
755 | __le32 offs; | |
756 | ||
757 | tab_desc = qlcnic_get_table_desc(unirom, section); | |
758 | ||
759 | if (tab_desc == NULL) | |
760 | return NULL; | |
761 | ||
762 | offs = cpu_to_le32(tab_desc->findex) + | |
763 | (cpu_to_le32(tab_desc->entry_size) * idx); | |
764 | ||
765 | return (struct uni_data_desc *)&unirom[offs]; | |
766 | } | |
767 | ||
768 | static u8 * | |
769 | qlcnic_get_bootld_offs(struct qlcnic_adapter *adapter) | |
770 | { | |
771 | u32 offs = QLCNIC_BOOTLD_START; | |
772 | ||
773 | if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE) | |
774 | offs = cpu_to_le32((qlcnic_get_data_desc(adapter, | |
775 | QLCNIC_UNI_DIR_SECT_BOOTLD, | |
776 | QLCNIC_UNI_BOOTLD_IDX_OFF))->findex); | |
777 | ||
778 | return (u8 *)&adapter->fw->data[offs]; | |
779 | } | |
780 | ||
781 | static u8 * | |
782 | qlcnic_get_fw_offs(struct qlcnic_adapter *adapter) | |
783 | { | |
784 | u32 offs = QLCNIC_IMAGE_START; | |
785 | ||
786 | if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE) | |
787 | offs = cpu_to_le32((qlcnic_get_data_desc(adapter, | |
788 | QLCNIC_UNI_DIR_SECT_FW, | |
789 | QLCNIC_UNI_FIRMWARE_IDX_OFF))->findex); | |
790 | ||
791 | return (u8 *)&adapter->fw->data[offs]; | |
792 | } | |
793 | ||
794 | static __le32 | |
795 | qlcnic_get_fw_size(struct qlcnic_adapter *adapter) | |
796 | { | |
797 | if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE) | |
798 | return cpu_to_le32((qlcnic_get_data_desc(adapter, | |
799 | QLCNIC_UNI_DIR_SECT_FW, | |
800 | QLCNIC_UNI_FIRMWARE_IDX_OFF))->size); | |
801 | else | |
802 | return cpu_to_le32( | |
803 | *(u32 *)&adapter->fw->data[QLCNIC_FW_SIZE_OFFSET]); | |
804 | } | |
805 | ||
806 | static __le32 | |
807 | qlcnic_get_fw_version(struct qlcnic_adapter *adapter) | |
808 | { | |
809 | struct uni_data_desc *fw_data_desc; | |
810 | const struct firmware *fw = adapter->fw; | |
811 | __le32 major, minor, sub; | |
812 | const u8 *ver_str; | |
813 | int i, ret; | |
814 | ||
815 | if (adapter->fw_type != QLCNIC_UNIFIED_ROMIMAGE) | |
816 | return cpu_to_le32(*(u32 *)&fw->data[QLCNIC_FW_VERSION_OFFSET]); | |
817 | ||
818 | fw_data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW, | |
819 | QLCNIC_UNI_FIRMWARE_IDX_OFF); | |
820 | ver_str = fw->data + cpu_to_le32(fw_data_desc->findex) + | |
821 | cpu_to_le32(fw_data_desc->size) - 17; | |
822 | ||
823 | for (i = 0; i < 12; i++) { | |
824 | if (!strncmp(&ver_str[i], "REV=", 4)) { | |
825 | ret = sscanf(&ver_str[i+4], "%u.%u.%u ", | |
826 | &major, &minor, &sub); | |
827 | if (ret != 3) | |
828 | return 0; | |
829 | else | |
830 | return major + (minor << 8) + (sub << 16); | |
831 | } | |
832 | } | |
833 | ||
834 | return 0; | |
835 | } | |
836 | ||
837 | static __le32 | |
838 | qlcnic_get_bios_version(struct qlcnic_adapter *adapter) | |
839 | { | |
840 | const struct firmware *fw = adapter->fw; | |
841 | __le32 bios_ver, prd_off = adapter->file_prd_off; | |
842 | ||
843 | if (adapter->fw_type != QLCNIC_UNIFIED_ROMIMAGE) | |
844 | return cpu_to_le32( | |
845 | *(u32 *)&fw->data[QLCNIC_BIOS_VERSION_OFFSET]); | |
846 | ||
847 | bios_ver = cpu_to_le32(*((u32 *) (&fw->data[prd_off]) | |
848 | + QLCNIC_UNI_BIOS_VERSION_OFF)); | |
849 | ||
addd5abf | 850 | return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24); |
af19b491 AKS |
851 | } |
852 | ||
853 | int | |
854 | qlcnic_need_fw_reset(struct qlcnic_adapter *adapter) | |
855 | { | |
856 | u32 count, old_count; | |
857 | u32 val, version, major, minor, build; | |
858 | int i, timeout; | |
859 | ||
860 | if (adapter->need_fw_reset) | |
861 | return 1; | |
862 | ||
863 | /* last attempt had failed */ | |
864 | if (QLCRD32(adapter, CRB_CMDPEG_STATE) == PHAN_INITIALIZE_FAILED) | |
865 | return 1; | |
866 | ||
867 | old_count = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); | |
868 | ||
869 | for (i = 0; i < 10; i++) { | |
870 | ||
871 | timeout = msleep_interruptible(200); | |
872 | if (timeout) { | |
873 | QLCWR32(adapter, CRB_CMDPEG_STATE, | |
874 | PHAN_INITIALIZE_FAILED); | |
875 | return -EINTR; | |
876 | } | |
877 | ||
878 | count = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); | |
879 | if (count != old_count) | |
880 | break; | |
881 | } | |
882 | ||
883 | /* firmware is dead */ | |
884 | if (count == old_count) | |
885 | return 1; | |
886 | ||
887 | /* check if we have got newer or different file firmware */ | |
888 | if (adapter->fw) { | |
889 | ||
890 | val = qlcnic_get_fw_version(adapter); | |
891 | ||
892 | version = QLCNIC_DECODE_VERSION(val); | |
893 | ||
894 | major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR); | |
895 | minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR); | |
896 | build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB); | |
897 | ||
898 | if (version > QLCNIC_VERSION_CODE(major, minor, build)) | |
899 | return 1; | |
900 | } | |
901 | ||
902 | return 0; | |
903 | } | |
904 | ||
905 | static const char *fw_name[] = { | |
906 | QLCNIC_UNIFIED_ROMIMAGE_NAME, | |
907 | QLCNIC_FLASH_ROMIMAGE_NAME, | |
908 | }; | |
909 | ||
910 | int | |
911 | qlcnic_load_firmware(struct qlcnic_adapter *adapter) | |
912 | { | |
913 | u64 *ptr64; | |
914 | u32 i, flashaddr, size; | |
915 | const struct firmware *fw = adapter->fw; | |
916 | struct pci_dev *pdev = adapter->pdev; | |
917 | ||
918 | dev_info(&pdev->dev, "loading firmware from %s\n", | |
919 | fw_name[adapter->fw_type]); | |
920 | ||
921 | if (fw) { | |
922 | __le64 data; | |
923 | ||
924 | size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8; | |
925 | ||
926 | ptr64 = (u64 *)qlcnic_get_bootld_offs(adapter); | |
927 | flashaddr = QLCNIC_BOOTLD_START; | |
928 | ||
929 | for (i = 0; i < size; i++) { | |
930 | data = cpu_to_le64(ptr64[i]); | |
931 | ||
932 | if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data)) | |
933 | return -EIO; | |
934 | ||
935 | flashaddr += 8; | |
936 | } | |
937 | ||
938 | size = (__force u32)qlcnic_get_fw_size(adapter) / 8; | |
939 | ||
940 | ptr64 = (u64 *)qlcnic_get_fw_offs(adapter); | |
941 | flashaddr = QLCNIC_IMAGE_START; | |
942 | ||
943 | for (i = 0; i < size; i++) { | |
944 | data = cpu_to_le64(ptr64[i]); | |
945 | ||
946 | if (qlcnic_pci_mem_write_2M(adapter, | |
947 | flashaddr, data)) | |
948 | return -EIO; | |
949 | ||
950 | flashaddr += 8; | |
951 | } | |
952 | } else { | |
953 | u64 data; | |
954 | u32 hi, lo; | |
955 | ||
956 | size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8; | |
957 | flashaddr = QLCNIC_BOOTLD_START; | |
958 | ||
959 | for (i = 0; i < size; i++) { | |
960 | if (qlcnic_rom_fast_read(adapter, | |
961 | flashaddr, (int *)&lo) != 0) | |
962 | return -EIO; | |
963 | if (qlcnic_rom_fast_read(adapter, | |
964 | flashaddr + 4, (int *)&hi) != 0) | |
965 | return -EIO; | |
966 | ||
967 | data = (((u64)hi << 32) | lo); | |
968 | ||
969 | if (qlcnic_pci_mem_write_2M(adapter, | |
970 | flashaddr, data)) | |
971 | return -EIO; | |
972 | ||
973 | flashaddr += 8; | |
974 | } | |
975 | } | |
976 | msleep(1); | |
977 | ||
978 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020); | |
979 | QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e); | |
980 | return 0; | |
981 | } | |
982 | ||
983 | static int | |
984 | qlcnic_validate_firmware(struct qlcnic_adapter *adapter) | |
985 | { | |
986 | __le32 val; | |
987 | u32 ver, min_ver, bios, min_size; | |
988 | struct pci_dev *pdev = adapter->pdev; | |
989 | const struct firmware *fw = adapter->fw; | |
990 | u8 fw_type = adapter->fw_type; | |
991 | ||
992 | if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) { | |
b7eff100 | 993 | if (qlcnic_validate_unified_romimage(adapter)) |
af19b491 AKS |
994 | return -EINVAL; |
995 | ||
996 | min_size = QLCNIC_UNI_FW_MIN_SIZE; | |
997 | } else { | |
998 | val = cpu_to_le32(*(u32 *)&fw->data[QLCNIC_FW_MAGIC_OFFSET]); | |
999 | if ((__force u32)val != QLCNIC_BDINFO_MAGIC) | |
1000 | return -EINVAL; | |
1001 | ||
1002 | min_size = QLCNIC_FW_MIN_SIZE; | |
1003 | } | |
1004 | ||
1005 | if (fw->size < min_size) | |
1006 | return -EINVAL; | |
1007 | ||
1008 | val = qlcnic_get_fw_version(adapter); | |
1009 | ||
1010 | min_ver = QLCNIC_VERSION_CODE(4, 0, 216); | |
1011 | ||
1012 | ver = QLCNIC_DECODE_VERSION(val); | |
1013 | ||
1014 | if ((_major(ver) > _QLCNIC_LINUX_MAJOR) || (ver < min_ver)) { | |
1015 | dev_err(&pdev->dev, | |
1016 | "%s: firmware version %d.%d.%d unsupported\n", | |
1017 | fw_name[fw_type], _major(ver), _minor(ver), _build(ver)); | |
1018 | return -EINVAL; | |
1019 | } | |
1020 | ||
1021 | val = qlcnic_get_bios_version(adapter); | |
1022 | qlcnic_rom_fast_read(adapter, QLCNIC_BIOS_VERSION_OFFSET, (int *)&bios); | |
1023 | if ((__force u32)val != bios) { | |
1024 | dev_err(&pdev->dev, "%s: firmware bios is incompatible\n", | |
1025 | fw_name[fw_type]); | |
1026 | return -EINVAL; | |
1027 | } | |
1028 | ||
1029 | /* check if flashed firmware is newer */ | |
1030 | if (qlcnic_rom_fast_read(adapter, | |
1031 | QLCNIC_FW_VERSION_OFFSET, (int *)&val)) | |
1032 | return -EIO; | |
1033 | ||
1034 | val = QLCNIC_DECODE_VERSION(val); | |
1035 | if (val > ver) { | |
1036 | dev_info(&pdev->dev, "%s: firmware is older than flash\n", | |
1037 | fw_name[fw_type]); | |
1038 | return -EINVAL; | |
1039 | } | |
1040 | ||
1041 | QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC); | |
1042 | return 0; | |
1043 | } | |
1044 | ||
1045 | static void | |
1046 | qlcnic_get_next_fwtype(struct qlcnic_adapter *adapter) | |
1047 | { | |
1048 | u8 fw_type; | |
1049 | ||
1050 | switch (adapter->fw_type) { | |
1051 | case QLCNIC_UNKNOWN_ROMIMAGE: | |
1052 | fw_type = QLCNIC_UNIFIED_ROMIMAGE; | |
1053 | break; | |
1054 | ||
1055 | case QLCNIC_UNIFIED_ROMIMAGE: | |
1056 | default: | |
1057 | fw_type = QLCNIC_FLASH_ROMIMAGE; | |
1058 | break; | |
1059 | } | |
1060 | ||
1061 | adapter->fw_type = fw_type; | |
1062 | } | |
1063 | ||
1064 | ||
1065 | ||
1066 | void qlcnic_request_firmware(struct qlcnic_adapter *adapter) | |
1067 | { | |
1068 | struct pci_dev *pdev = adapter->pdev; | |
1069 | int rc; | |
1070 | ||
1071 | adapter->fw_type = QLCNIC_UNKNOWN_ROMIMAGE; | |
1072 | ||
1073 | next: | |
1074 | qlcnic_get_next_fwtype(adapter); | |
1075 | ||
1076 | if (adapter->fw_type == QLCNIC_FLASH_ROMIMAGE) { | |
1077 | adapter->fw = NULL; | |
1078 | } else { | |
1079 | rc = request_firmware(&adapter->fw, | |
1080 | fw_name[adapter->fw_type], &pdev->dev); | |
1081 | if (rc != 0) | |
1082 | goto next; | |
1083 | ||
1084 | rc = qlcnic_validate_firmware(adapter); | |
1085 | if (rc != 0) { | |
1086 | release_firmware(adapter->fw); | |
1087 | msleep(1); | |
1088 | goto next; | |
1089 | } | |
1090 | } | |
1091 | } | |
1092 | ||
1093 | ||
1094 | void | |
1095 | qlcnic_release_firmware(struct qlcnic_adapter *adapter) | |
1096 | { | |
1097 | if (adapter->fw) | |
1098 | release_firmware(adapter->fw); | |
1099 | adapter->fw = NULL; | |
1100 | } | |
1101 | ||
1102 | int qlcnic_phantom_init(struct qlcnic_adapter *adapter) | |
1103 | { | |
1104 | u32 val; | |
1105 | int retries = 60; | |
1106 | ||
1107 | do { | |
1108 | val = QLCRD32(adapter, CRB_CMDPEG_STATE); | |
1109 | ||
1110 | switch (val) { | |
1111 | case PHAN_INITIALIZE_COMPLETE: | |
1112 | case PHAN_INITIALIZE_ACK: | |
1113 | return 0; | |
1114 | case PHAN_INITIALIZE_FAILED: | |
1115 | goto out_err; | |
1116 | default: | |
1117 | break; | |
1118 | } | |
1119 | ||
1120 | msleep(500); | |
1121 | ||
1122 | } while (--retries); | |
1123 | ||
1124 | QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED); | |
1125 | ||
1126 | out_err: | |
1127 | dev_err(&adapter->pdev->dev, "firmware init failed\n"); | |
1128 | return -EIO; | |
1129 | } | |
1130 | ||
1131 | static int | |
1132 | qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter) | |
1133 | { | |
1134 | u32 val; | |
1135 | int retries = 2000; | |
1136 | ||
1137 | do { | |
1138 | val = QLCRD32(adapter, CRB_RCVPEG_STATE); | |
1139 | ||
1140 | if (val == PHAN_PEG_RCV_INITIALIZED) | |
1141 | return 0; | |
1142 | ||
1143 | msleep(10); | |
1144 | ||
1145 | } while (--retries); | |
1146 | ||
1147 | if (!retries) { | |
1148 | dev_err(&adapter->pdev->dev, "Receive Peg initialization not " | |
1149 | "complete, state: 0x%x.\n", val); | |
1150 | return -EIO; | |
1151 | } | |
1152 | ||
1153 | return 0; | |
1154 | } | |
1155 | ||
1156 | int qlcnic_init_firmware(struct qlcnic_adapter *adapter) | |
1157 | { | |
1158 | int err; | |
1159 | ||
1160 | err = qlcnic_receive_peg_ready(adapter); | |
1161 | if (err) | |
1162 | return err; | |
1163 | ||
1164 | QLCWR32(adapter, CRB_NIC_CAPABILITIES_HOST, INTR_SCHEME_PERPORT); | |
1165 | QLCWR32(adapter, CRB_NIC_MSI_MODE_HOST, MSI_MODE_MULTIFUNC); | |
1166 | QLCWR32(adapter, CRB_MPORT_MODE, MPORT_MULTI_FUNCTION_MODE); | |
1167 | QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK); | |
1168 | ||
1169 | return err; | |
1170 | } | |
1171 | ||
1172 | static void | |
1173 | qlcnic_handle_linkevent(struct qlcnic_adapter *adapter, | |
1174 | struct qlcnic_fw_msg *msg) | |
1175 | { | |
1176 | u32 cable_OUI; | |
1177 | u16 cable_len; | |
1178 | u16 link_speed; | |
1179 | u8 link_status, module, duplex, autoneg; | |
1180 | struct net_device *netdev = adapter->netdev; | |
1181 | ||
1182 | adapter->has_link_events = 1; | |
1183 | ||
1184 | cable_OUI = msg->body[1] & 0xffffffff; | |
1185 | cable_len = (msg->body[1] >> 32) & 0xffff; | |
1186 | link_speed = (msg->body[1] >> 48) & 0xffff; | |
1187 | ||
1188 | link_status = msg->body[2] & 0xff; | |
1189 | duplex = (msg->body[2] >> 16) & 0xff; | |
1190 | autoneg = (msg->body[2] >> 24) & 0xff; | |
1191 | ||
1192 | module = (msg->body[2] >> 8) & 0xff; | |
1193 | if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE) | |
1194 | dev_info(&netdev->dev, "unsupported cable: OUI 0x%x, " | |
1195 | "length %d\n", cable_OUI, cable_len); | |
1196 | else if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN) | |
1197 | dev_info(&netdev->dev, "unsupported cable length %d\n", | |
1198 | cable_len); | |
1199 | ||
1200 | qlcnic_advert_link_change(adapter, link_status); | |
1201 | ||
1202 | if (duplex == LINKEVENT_FULL_DUPLEX) | |
1203 | adapter->link_duplex = DUPLEX_FULL; | |
1204 | else | |
1205 | adapter->link_duplex = DUPLEX_HALF; | |
1206 | ||
1207 | adapter->module_type = module; | |
1208 | adapter->link_autoneg = autoneg; | |
1209 | adapter->link_speed = link_speed; | |
1210 | } | |
1211 | ||
1212 | static void | |
1213 | qlcnic_handle_fw_message(int desc_cnt, int index, | |
1214 | struct qlcnic_host_sds_ring *sds_ring) | |
1215 | { | |
1216 | struct qlcnic_fw_msg msg; | |
1217 | struct status_desc *desc; | |
1218 | int i = 0, opcode; | |
1219 | ||
1220 | while (desc_cnt > 0 && i < 8) { | |
1221 | desc = &sds_ring->desc_head[index]; | |
1222 | msg.words[i++] = le64_to_cpu(desc->status_desc_data[0]); | |
1223 | msg.words[i++] = le64_to_cpu(desc->status_desc_data[1]); | |
1224 | ||
1225 | index = get_next_index(index, sds_ring->num_desc); | |
1226 | desc_cnt--; | |
1227 | } | |
1228 | ||
1229 | opcode = qlcnic_get_nic_msg_opcode(msg.body[0]); | |
1230 | switch (opcode) { | |
1231 | case QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE: | |
1232 | qlcnic_handle_linkevent(sds_ring->adapter, &msg); | |
1233 | break; | |
1234 | default: | |
1235 | break; | |
1236 | } | |
1237 | } | |
1238 | ||
1239 | static int | |
1240 | qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter, | |
1241 | struct qlcnic_host_rds_ring *rds_ring, | |
1242 | struct qlcnic_rx_buffer *buffer) | |
1243 | { | |
1244 | struct sk_buff *skb; | |
1245 | dma_addr_t dma; | |
1246 | struct pci_dev *pdev = adapter->pdev; | |
1247 | ||
1248 | buffer->skb = dev_alloc_skb(rds_ring->skb_size); | |
8bfe8b91 SC |
1249 | if (!buffer->skb) { |
1250 | adapter->stats.skb_alloc_failure++; | |
af19b491 | 1251 | return -ENOMEM; |
8bfe8b91 | 1252 | } |
af19b491 AKS |
1253 | |
1254 | skb = buffer->skb; | |
1255 | ||
1256 | if (!adapter->ahw.cut_through) | |
1257 | skb_reserve(skb, 2); | |
1258 | ||
1259 | dma = pci_map_single(pdev, skb->data, | |
1260 | rds_ring->dma_size, PCI_DMA_FROMDEVICE); | |
1261 | ||
1262 | if (pci_dma_mapping_error(pdev, dma)) { | |
1263 | dev_kfree_skb_any(skb); | |
1264 | buffer->skb = NULL; | |
1265 | return -ENOMEM; | |
1266 | } | |
1267 | ||
1268 | buffer->skb = skb; | |
1269 | buffer->dma = dma; | |
1270 | buffer->state = QLCNIC_BUFFER_BUSY; | |
1271 | ||
1272 | return 0; | |
1273 | } | |
1274 | ||
1275 | static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *adapter, | |
1276 | struct qlcnic_host_rds_ring *rds_ring, u16 index, u16 cksum) | |
1277 | { | |
1278 | struct qlcnic_rx_buffer *buffer; | |
1279 | struct sk_buff *skb; | |
1280 | ||
1281 | buffer = &rds_ring->rx_buf_arr[index]; | |
1282 | ||
1283 | pci_unmap_single(adapter->pdev, buffer->dma, rds_ring->dma_size, | |
1284 | PCI_DMA_FROMDEVICE); | |
1285 | ||
1286 | skb = buffer->skb; | |
1287 | if (!skb) | |
1288 | goto no_skb; | |
1289 | ||
1290 | if (likely(adapter->rx_csum && cksum == STATUS_CKSUM_OK)) { | |
1291 | adapter->stats.csummed++; | |
1292 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
1293 | } else { | |
1294 | skb->ip_summed = CHECKSUM_NONE; | |
1295 | } | |
1296 | ||
1297 | skb->dev = adapter->netdev; | |
1298 | ||
1299 | buffer->skb = NULL; | |
1300 | no_skb: | |
1301 | buffer->state = QLCNIC_BUFFER_FREE; | |
1302 | return skb; | |
1303 | } | |
1304 | ||
1305 | static struct qlcnic_rx_buffer * | |
1306 | qlcnic_process_rcv(struct qlcnic_adapter *adapter, | |
1307 | struct qlcnic_host_sds_ring *sds_ring, | |
1308 | int ring, u64 sts_data0) | |
1309 | { | |
1310 | struct net_device *netdev = adapter->netdev; | |
1311 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
1312 | struct qlcnic_rx_buffer *buffer; | |
1313 | struct sk_buff *skb; | |
1314 | struct qlcnic_host_rds_ring *rds_ring; | |
1315 | int index, length, cksum, pkt_offset; | |
1316 | ||
1317 | if (unlikely(ring >= adapter->max_rds_rings)) | |
1318 | return NULL; | |
1319 | ||
1320 | rds_ring = &recv_ctx->rds_rings[ring]; | |
1321 | ||
1322 | index = qlcnic_get_sts_refhandle(sts_data0); | |
1323 | if (unlikely(index >= rds_ring->num_desc)) | |
1324 | return NULL; | |
1325 | ||
1326 | buffer = &rds_ring->rx_buf_arr[index]; | |
1327 | ||
1328 | length = qlcnic_get_sts_totallength(sts_data0); | |
1329 | cksum = qlcnic_get_sts_status(sts_data0); | |
1330 | pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0); | |
1331 | ||
1332 | skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum); | |
1333 | if (!skb) | |
1334 | return buffer; | |
1335 | ||
1336 | if (length > rds_ring->skb_size) | |
1337 | skb_put(skb, rds_ring->skb_size); | |
1338 | else | |
1339 | skb_put(skb, length); | |
1340 | ||
1341 | if (pkt_offset) | |
1342 | skb_pull(skb, pkt_offset); | |
1343 | ||
1344 | skb->truesize = skb->len + sizeof(struct sk_buff); | |
1345 | skb->protocol = eth_type_trans(skb, netdev); | |
1346 | ||
1347 | napi_gro_receive(&sds_ring->napi, skb); | |
1348 | ||
1349 | adapter->stats.rx_pkts++; | |
1350 | adapter->stats.rxbytes += length; | |
1351 | ||
1352 | return buffer; | |
1353 | } | |
1354 | ||
1355 | #define QLC_TCP_HDR_SIZE 20 | |
1356 | #define QLC_TCP_TS_OPTION_SIZE 12 | |
1357 | #define QLC_TCP_TS_HDR_SIZE (QLC_TCP_HDR_SIZE + QLC_TCP_TS_OPTION_SIZE) | |
1358 | ||
1359 | static struct qlcnic_rx_buffer * | |
1360 | qlcnic_process_lro(struct qlcnic_adapter *adapter, | |
1361 | struct qlcnic_host_sds_ring *sds_ring, | |
1362 | int ring, u64 sts_data0, u64 sts_data1) | |
1363 | { | |
1364 | struct net_device *netdev = adapter->netdev; | |
1365 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
1366 | struct qlcnic_rx_buffer *buffer; | |
1367 | struct sk_buff *skb; | |
1368 | struct qlcnic_host_rds_ring *rds_ring; | |
1369 | struct iphdr *iph; | |
1370 | struct tcphdr *th; | |
1371 | bool push, timestamp; | |
1372 | int l2_hdr_offset, l4_hdr_offset; | |
1373 | int index; | |
1374 | u16 lro_length, length, data_offset; | |
1375 | u32 seq_number; | |
1376 | ||
1377 | if (unlikely(ring > adapter->max_rds_rings)) | |
1378 | return NULL; | |
1379 | ||
1380 | rds_ring = &recv_ctx->rds_rings[ring]; | |
1381 | ||
1382 | index = qlcnic_get_lro_sts_refhandle(sts_data0); | |
1383 | if (unlikely(index > rds_ring->num_desc)) | |
1384 | return NULL; | |
1385 | ||
1386 | buffer = &rds_ring->rx_buf_arr[index]; | |
1387 | ||
1388 | timestamp = qlcnic_get_lro_sts_timestamp(sts_data0); | |
1389 | lro_length = qlcnic_get_lro_sts_length(sts_data0); | |
1390 | l2_hdr_offset = qlcnic_get_lro_sts_l2_hdr_offset(sts_data0); | |
1391 | l4_hdr_offset = qlcnic_get_lro_sts_l4_hdr_offset(sts_data0); | |
1392 | push = qlcnic_get_lro_sts_push_flag(sts_data0); | |
1393 | seq_number = qlcnic_get_lro_sts_seq_number(sts_data1); | |
1394 | ||
1395 | skb = qlcnic_process_rxbuf(adapter, rds_ring, index, STATUS_CKSUM_OK); | |
1396 | if (!skb) | |
1397 | return buffer; | |
1398 | ||
1399 | if (timestamp) | |
1400 | data_offset = l4_hdr_offset + QLC_TCP_TS_HDR_SIZE; | |
1401 | else | |
1402 | data_offset = l4_hdr_offset + QLC_TCP_HDR_SIZE; | |
1403 | ||
1404 | skb_put(skb, lro_length + data_offset); | |
1405 | ||
1406 | skb->truesize = skb->len + sizeof(struct sk_buff) + skb_headroom(skb); | |
1407 | ||
1408 | skb_pull(skb, l2_hdr_offset); | |
1409 | skb->protocol = eth_type_trans(skb, netdev); | |
1410 | ||
1411 | iph = (struct iphdr *)skb->data; | |
1412 | th = (struct tcphdr *)(skb->data + (iph->ihl << 2)); | |
1413 | ||
1414 | length = (iph->ihl << 2) + (th->doff << 2) + lro_length; | |
1415 | iph->tot_len = htons(length); | |
1416 | iph->check = 0; | |
1417 | iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl); | |
1418 | th->psh = push; | |
1419 | th->seq = htonl(seq_number); | |
1420 | ||
1421 | length = skb->len; | |
1422 | ||
1423 | netif_receive_skb(skb); | |
1424 | ||
1425 | adapter->stats.lro_pkts++; | |
8bfe8b91 | 1426 | adapter->stats.lrobytes += length; |
af19b491 AKS |
1427 | |
1428 | return buffer; | |
1429 | } | |
1430 | ||
1431 | int | |
1432 | qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max) | |
1433 | { | |
1434 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
1435 | struct list_head *cur; | |
1436 | struct status_desc *desc; | |
1437 | struct qlcnic_rx_buffer *rxbuf; | |
1438 | u64 sts_data0, sts_data1; | |
1439 | ||
1440 | int count = 0; | |
1441 | int opcode, ring, desc_cnt; | |
1442 | u32 consumer = sds_ring->consumer; | |
1443 | ||
1444 | while (count < max) { | |
1445 | desc = &sds_ring->desc_head[consumer]; | |
1446 | sts_data0 = le64_to_cpu(desc->status_desc_data[0]); | |
1447 | ||
1448 | if (!(sts_data0 & STATUS_OWNER_HOST)) | |
1449 | break; | |
1450 | ||
1451 | desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0); | |
1452 | opcode = qlcnic_get_sts_opcode(sts_data0); | |
1453 | ||
1454 | switch (opcode) { | |
1455 | case QLCNIC_RXPKT_DESC: | |
1456 | case QLCNIC_OLD_RXPKT_DESC: | |
1457 | case QLCNIC_SYN_OFFLOAD: | |
1458 | ring = qlcnic_get_sts_type(sts_data0); | |
1459 | rxbuf = qlcnic_process_rcv(adapter, sds_ring, | |
1460 | ring, sts_data0); | |
1461 | break; | |
1462 | case QLCNIC_LRO_DESC: | |
1463 | ring = qlcnic_get_lro_sts_type(sts_data0); | |
1464 | sts_data1 = le64_to_cpu(desc->status_desc_data[1]); | |
1465 | rxbuf = qlcnic_process_lro(adapter, sds_ring, | |
1466 | ring, sts_data0, sts_data1); | |
1467 | break; | |
1468 | case QLCNIC_RESPONSE_DESC: | |
1469 | qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring); | |
1470 | default: | |
1471 | goto skip; | |
1472 | } | |
1473 | ||
1474 | WARN_ON(desc_cnt > 1); | |
1475 | ||
1476 | if (rxbuf) | |
1477 | list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]); | |
1478 | ||
1479 | skip: | |
1480 | for (; desc_cnt > 0; desc_cnt--) { | |
1481 | desc = &sds_ring->desc_head[consumer]; | |
1482 | desc->status_desc_data[0] = | |
1483 | cpu_to_le64(STATUS_OWNER_PHANTOM); | |
1484 | consumer = get_next_index(consumer, sds_ring->num_desc); | |
1485 | } | |
1486 | count++; | |
1487 | } | |
1488 | ||
1489 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
1490 | struct qlcnic_host_rds_ring *rds_ring = | |
1491 | &adapter->recv_ctx.rds_rings[ring]; | |
1492 | ||
1493 | if (!list_empty(&sds_ring->free_list[ring])) { | |
1494 | list_for_each(cur, &sds_ring->free_list[ring]) { | |
1495 | rxbuf = list_entry(cur, | |
1496 | struct qlcnic_rx_buffer, list); | |
1497 | qlcnic_alloc_rx_skb(adapter, rds_ring, rxbuf); | |
1498 | } | |
1499 | spin_lock(&rds_ring->lock); | |
1500 | list_splice_tail_init(&sds_ring->free_list[ring], | |
1501 | &rds_ring->free_list); | |
1502 | spin_unlock(&rds_ring->lock); | |
1503 | } | |
1504 | ||
1505 | qlcnic_post_rx_buffers_nodb(adapter, rds_ring); | |
1506 | } | |
1507 | ||
1508 | if (count) { | |
1509 | sds_ring->consumer = consumer; | |
1510 | writel(consumer, sds_ring->crb_sts_consumer); | |
1511 | } | |
1512 | ||
1513 | return count; | |
1514 | } | |
1515 | ||
1516 | void | |
1517 | qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, u32 ringid, | |
1518 | struct qlcnic_host_rds_ring *rds_ring) | |
1519 | { | |
1520 | struct rcv_desc *pdesc; | |
1521 | struct qlcnic_rx_buffer *buffer; | |
1522 | int producer, count = 0; | |
1523 | struct list_head *head; | |
1524 | ||
1525 | producer = rds_ring->producer; | |
1526 | ||
1527 | spin_lock(&rds_ring->lock); | |
1528 | head = &rds_ring->free_list; | |
1529 | while (!list_empty(head)) { | |
1530 | ||
1531 | buffer = list_entry(head->next, struct qlcnic_rx_buffer, list); | |
1532 | ||
1533 | if (!buffer->skb) { | |
1534 | if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer)) | |
1535 | break; | |
1536 | } | |
1537 | ||
1538 | count++; | |
1539 | list_del(&buffer->list); | |
1540 | ||
1541 | /* make a rcv descriptor */ | |
1542 | pdesc = &rds_ring->desc_head[producer]; | |
1543 | pdesc->addr_buffer = cpu_to_le64(buffer->dma); | |
1544 | pdesc->reference_handle = cpu_to_le16(buffer->ref_handle); | |
1545 | pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size); | |
1546 | ||
1547 | producer = get_next_index(producer, rds_ring->num_desc); | |
1548 | } | |
1549 | spin_unlock(&rds_ring->lock); | |
1550 | ||
1551 | if (count) { | |
1552 | rds_ring->producer = producer; | |
1553 | writel((producer-1) & (rds_ring->num_desc-1), | |
1554 | rds_ring->crb_rcv_producer); | |
1555 | } | |
1556 | } | |
1557 | ||
1558 | static void | |
1559 | qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter, | |
1560 | struct qlcnic_host_rds_ring *rds_ring) | |
1561 | { | |
1562 | struct rcv_desc *pdesc; | |
1563 | struct qlcnic_rx_buffer *buffer; | |
1564 | int producer, count = 0; | |
1565 | struct list_head *head; | |
1566 | ||
1567 | producer = rds_ring->producer; | |
1568 | if (!spin_trylock(&rds_ring->lock)) | |
1569 | return; | |
1570 | ||
1571 | head = &rds_ring->free_list; | |
1572 | while (!list_empty(head)) { | |
1573 | ||
1574 | buffer = list_entry(head->next, struct qlcnic_rx_buffer, list); | |
1575 | ||
1576 | if (!buffer->skb) { | |
1577 | if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer)) | |
1578 | break; | |
1579 | } | |
1580 | ||
1581 | count++; | |
1582 | list_del(&buffer->list); | |
1583 | ||
1584 | /* make a rcv descriptor */ | |
1585 | pdesc = &rds_ring->desc_head[producer]; | |
1586 | pdesc->reference_handle = cpu_to_le16(buffer->ref_handle); | |
1587 | pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size); | |
1588 | pdesc->addr_buffer = cpu_to_le64(buffer->dma); | |
1589 | ||
1590 | producer = get_next_index(producer, rds_ring->num_desc); | |
1591 | } | |
1592 | ||
1593 | if (count) { | |
1594 | rds_ring->producer = producer; | |
1595 | writel((producer - 1) & (rds_ring->num_desc - 1), | |
1596 | rds_ring->crb_rcv_producer); | |
1597 | } | |
1598 | spin_unlock(&rds_ring->lock); | |
1599 | } | |
1600 | ||
cdaff185 AKS |
1601 | static struct qlcnic_rx_buffer * |
1602 | qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter, | |
1603 | struct qlcnic_host_sds_ring *sds_ring, | |
1604 | int ring, u64 sts_data0) | |
1605 | { | |
1606 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
1607 | struct qlcnic_rx_buffer *buffer; | |
1608 | struct sk_buff *skb; | |
1609 | struct qlcnic_host_rds_ring *rds_ring; | |
1610 | int index, length, cksum, pkt_offset; | |
1611 | ||
1612 | if (unlikely(ring >= adapter->max_rds_rings)) | |
1613 | return NULL; | |
1614 | ||
1615 | rds_ring = &recv_ctx->rds_rings[ring]; | |
1616 | ||
1617 | index = qlcnic_get_sts_refhandle(sts_data0); | |
1618 | if (unlikely(index >= rds_ring->num_desc)) | |
1619 | return NULL; | |
1620 | ||
1621 | buffer = &rds_ring->rx_buf_arr[index]; | |
1622 | ||
1623 | length = qlcnic_get_sts_totallength(sts_data0); | |
1624 | cksum = qlcnic_get_sts_status(sts_data0); | |
1625 | pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0); | |
1626 | ||
1627 | skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum); | |
1628 | if (!skb) | |
1629 | return buffer; | |
1630 | ||
1631 | skb_put(skb, rds_ring->skb_size); | |
1632 | ||
1633 | if (pkt_offset) | |
1634 | skb_pull(skb, pkt_offset); | |
1635 | ||
1636 | skb->truesize = skb->len + sizeof(struct sk_buff); | |
1637 | ||
1638 | if (!qlcnic_check_loopback_buff(skb->data)) | |
1639 | adapter->diag_cnt++; | |
1640 | ||
1641 | dev_kfree_skb_any(skb); | |
8bfe8b91 SC |
1642 | adapter->stats.rx_pkts++; |
1643 | adapter->stats.rxbytes += length; | |
cdaff185 AKS |
1644 | |
1645 | return buffer; | |
1646 | } | |
1647 | ||
1648 | void | |
1649 | qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring) | |
1650 | { | |
1651 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
1652 | struct status_desc *desc; | |
1653 | struct qlcnic_rx_buffer *rxbuf; | |
1654 | u64 sts_data0; | |
1655 | ||
1656 | int opcode, ring, desc_cnt; | |
1657 | u32 consumer = sds_ring->consumer; | |
1658 | ||
1659 | desc = &sds_ring->desc_head[consumer]; | |
1660 | sts_data0 = le64_to_cpu(desc->status_desc_data[0]); | |
1661 | ||
1662 | if (!(sts_data0 & STATUS_OWNER_HOST)) | |
1663 | return; | |
1664 | ||
1665 | desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0); | |
1666 | opcode = qlcnic_get_sts_opcode(sts_data0); | |
1667 | ||
1668 | ring = qlcnic_get_sts_type(sts_data0); | |
1669 | rxbuf = qlcnic_process_rcv_diag(adapter, sds_ring, | |
1670 | ring, sts_data0); | |
1671 | ||
1672 | desc->status_desc_data[0] = cpu_to_le64(STATUS_OWNER_PHANTOM); | |
1673 | consumer = get_next_index(consumer, sds_ring->num_desc); | |
1674 | ||
1675 | sds_ring->consumer = consumer; | |
1676 | writel(consumer, sds_ring->crb_sts_consumer); | |
1677 | } |