Commit | Line | Data |
---|---|---|
af19b491 | 1 | /* |
40839129 SV |
2 | * QLogic qlcnic NIC Driver |
3 | * Copyright (c) 2009-2010 QLogic Corporation | |
af19b491 | 4 | * |
40839129 | 5 | * See LICENSE.qlcnic for copyright and licensing details. |
af19b491 AKS |
6 | */ |
7 | ||
8 | #include <linux/netdevice.h> | |
9 | #include <linux/delay.h> | |
5a0e3ad6 | 10 | #include <linux/slab.h> |
8cf61f89 | 11 | #include <linux/if_vlan.h> |
af19b491 AKS |
12 | #include "qlcnic.h" |
13 | ||
14 | struct crb_addr_pair { | |
15 | u32 addr; | |
16 | u32 data; | |
17 | }; | |
18 | ||
19 | #define QLCNIC_MAX_CRB_XFORM 60 | |
20 | static unsigned int crb_addr_xform[QLCNIC_MAX_CRB_XFORM]; | |
21 | ||
22 | #define crb_addr_transform(name) \ | |
23 | (crb_addr_xform[QLCNIC_HW_PX_MAP_CRB_##name] = \ | |
24 | QLCNIC_HW_CRB_HUB_AGT_ADR_##name << 20) | |
25 | ||
26 | #define QLCNIC_ADDR_ERROR (0xffffffff) | |
27 | ||
28 | static void | |
29 | qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter, | |
30 | struct qlcnic_host_rds_ring *rds_ring); | |
31 | ||
4e70812b SC |
32 | static int |
33 | qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter); | |
34 | ||
af19b491 AKS |
35 | static void crb_addr_transform_setup(void) |
36 | { | |
37 | crb_addr_transform(XDMA); | |
38 | crb_addr_transform(TIMR); | |
39 | crb_addr_transform(SRE); | |
40 | crb_addr_transform(SQN3); | |
41 | crb_addr_transform(SQN2); | |
42 | crb_addr_transform(SQN1); | |
43 | crb_addr_transform(SQN0); | |
44 | crb_addr_transform(SQS3); | |
45 | crb_addr_transform(SQS2); | |
46 | crb_addr_transform(SQS1); | |
47 | crb_addr_transform(SQS0); | |
48 | crb_addr_transform(RPMX7); | |
49 | crb_addr_transform(RPMX6); | |
50 | crb_addr_transform(RPMX5); | |
51 | crb_addr_transform(RPMX4); | |
52 | crb_addr_transform(RPMX3); | |
53 | crb_addr_transform(RPMX2); | |
54 | crb_addr_transform(RPMX1); | |
55 | crb_addr_transform(RPMX0); | |
56 | crb_addr_transform(ROMUSB); | |
57 | crb_addr_transform(SN); | |
58 | crb_addr_transform(QMN); | |
59 | crb_addr_transform(QMS); | |
60 | crb_addr_transform(PGNI); | |
61 | crb_addr_transform(PGND); | |
62 | crb_addr_transform(PGN3); | |
63 | crb_addr_transform(PGN2); | |
64 | crb_addr_transform(PGN1); | |
65 | crb_addr_transform(PGN0); | |
66 | crb_addr_transform(PGSI); | |
67 | crb_addr_transform(PGSD); | |
68 | crb_addr_transform(PGS3); | |
69 | crb_addr_transform(PGS2); | |
70 | crb_addr_transform(PGS1); | |
71 | crb_addr_transform(PGS0); | |
72 | crb_addr_transform(PS); | |
73 | crb_addr_transform(PH); | |
74 | crb_addr_transform(NIU); | |
75 | crb_addr_transform(I2Q); | |
76 | crb_addr_transform(EG); | |
77 | crb_addr_transform(MN); | |
78 | crb_addr_transform(MS); | |
79 | crb_addr_transform(CAS2); | |
80 | crb_addr_transform(CAS1); | |
81 | crb_addr_transform(CAS0); | |
82 | crb_addr_transform(CAM); | |
83 | crb_addr_transform(C2C1); | |
84 | crb_addr_transform(C2C0); | |
85 | crb_addr_transform(SMB); | |
86 | crb_addr_transform(OCM0); | |
87 | crb_addr_transform(I2C0); | |
88 | } | |
89 | ||
90 | void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter) | |
91 | { | |
92 | struct qlcnic_recv_context *recv_ctx; | |
93 | struct qlcnic_host_rds_ring *rds_ring; | |
94 | struct qlcnic_rx_buffer *rx_buf; | |
95 | int i, ring; | |
96 | ||
b1fc6d3c | 97 | recv_ctx = adapter->recv_ctx; |
af19b491 AKS |
98 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
99 | rds_ring = &recv_ctx->rds_rings[ring]; | |
100 | for (i = 0; i < rds_ring->num_desc; ++i) { | |
101 | rx_buf = &(rds_ring->rx_buf_arr[i]); | |
96659828 | 102 | if (rx_buf->skb == NULL) |
af19b491 | 103 | continue; |
96659828 | 104 | |
af19b491 AKS |
105 | pci_unmap_single(adapter->pdev, |
106 | rx_buf->dma, | |
107 | rds_ring->dma_size, | |
108 | PCI_DMA_FROMDEVICE); | |
96659828 AKS |
109 | |
110 | dev_kfree_skb_any(rx_buf->skb); | |
af19b491 AKS |
111 | } |
112 | } | |
113 | } | |
114 | ||
8a15ad1f AKS |
115 | void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter) |
116 | { | |
117 | struct qlcnic_recv_context *recv_ctx; | |
118 | struct qlcnic_host_rds_ring *rds_ring; | |
119 | struct qlcnic_rx_buffer *rx_buf; | |
120 | int i, ring; | |
121 | ||
b1fc6d3c | 122 | recv_ctx = adapter->recv_ctx; |
8a15ad1f AKS |
123 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
124 | rds_ring = &recv_ctx->rds_rings[ring]; | |
125 | ||
8a15ad1f AKS |
126 | INIT_LIST_HEAD(&rds_ring->free_list); |
127 | ||
128 | rx_buf = rds_ring->rx_buf_arr; | |
129 | for (i = 0; i < rds_ring->num_desc; i++) { | |
130 | list_add_tail(&rx_buf->list, | |
131 | &rds_ring->free_list); | |
132 | rx_buf++; | |
133 | } | |
8a15ad1f AKS |
134 | } |
135 | } | |
136 | ||
af19b491 AKS |
137 | void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter) |
138 | { | |
139 | struct qlcnic_cmd_buffer *cmd_buf; | |
140 | struct qlcnic_skb_frag *buffrag; | |
141 | int i, j; | |
142 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
143 | ||
144 | cmd_buf = tx_ring->cmd_buf_arr; | |
145 | for (i = 0; i < tx_ring->num_desc; i++) { | |
146 | buffrag = cmd_buf->frag_array; | |
147 | if (buffrag->dma) { | |
148 | pci_unmap_single(adapter->pdev, buffrag->dma, | |
149 | buffrag->length, PCI_DMA_TODEVICE); | |
150 | buffrag->dma = 0ULL; | |
151 | } | |
152 | for (j = 0; j < cmd_buf->frag_count; j++) { | |
153 | buffrag++; | |
154 | if (buffrag->dma) { | |
155 | pci_unmap_page(adapter->pdev, buffrag->dma, | |
156 | buffrag->length, | |
157 | PCI_DMA_TODEVICE); | |
158 | buffrag->dma = 0ULL; | |
159 | } | |
160 | } | |
161 | if (cmd_buf->skb) { | |
162 | dev_kfree_skb_any(cmd_buf->skb); | |
163 | cmd_buf->skb = NULL; | |
164 | } | |
165 | cmd_buf++; | |
166 | } | |
167 | } | |
168 | ||
169 | void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter) | |
170 | { | |
171 | struct qlcnic_recv_context *recv_ctx; | |
172 | struct qlcnic_host_rds_ring *rds_ring; | |
173 | struct qlcnic_host_tx_ring *tx_ring; | |
174 | int ring; | |
175 | ||
b1fc6d3c | 176 | recv_ctx = adapter->recv_ctx; |
af19b491 AKS |
177 | |
178 | if (recv_ctx->rds_rings == NULL) | |
179 | goto skip_rds; | |
180 | ||
181 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
182 | rds_ring = &recv_ctx->rds_rings[ring]; | |
183 | vfree(rds_ring->rx_buf_arr); | |
184 | rds_ring->rx_buf_arr = NULL; | |
185 | } | |
186 | kfree(recv_ctx->rds_rings); | |
187 | ||
188 | skip_rds: | |
189 | if (adapter->tx_ring == NULL) | |
190 | return; | |
191 | ||
192 | tx_ring = adapter->tx_ring; | |
193 | vfree(tx_ring->cmd_buf_arr); | |
ef71ff83 | 194 | tx_ring->cmd_buf_arr = NULL; |
af19b491 | 195 | kfree(adapter->tx_ring); |
ef71ff83 | 196 | adapter->tx_ring = NULL; |
af19b491 AKS |
197 | } |
198 | ||
199 | int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter) | |
200 | { | |
201 | struct qlcnic_recv_context *recv_ctx; | |
202 | struct qlcnic_host_rds_ring *rds_ring; | |
203 | struct qlcnic_host_sds_ring *sds_ring; | |
204 | struct qlcnic_host_tx_ring *tx_ring; | |
205 | struct qlcnic_rx_buffer *rx_buf; | |
206 | int ring, i, size; | |
207 | ||
208 | struct qlcnic_cmd_buffer *cmd_buf_arr; | |
209 | struct net_device *netdev = adapter->netdev; | |
210 | ||
211 | size = sizeof(struct qlcnic_host_tx_ring); | |
212 | tx_ring = kzalloc(size, GFP_KERNEL); | |
213 | if (tx_ring == NULL) { | |
214 | dev_err(&netdev->dev, "failed to allocate tx ring struct\n"); | |
215 | return -ENOMEM; | |
216 | } | |
217 | adapter->tx_ring = tx_ring; | |
218 | ||
219 | tx_ring->num_desc = adapter->num_txd; | |
220 | tx_ring->txq = netdev_get_tx_queue(netdev, 0); | |
221 | ||
89bf67f1 | 222 | cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); |
af19b491 AKS |
223 | if (cmd_buf_arr == NULL) { |
224 | dev_err(&netdev->dev, "failed to allocate cmd buffer ring\n"); | |
aadd8184 | 225 | goto err_out; |
af19b491 | 226 | } |
af19b491 AKS |
227 | tx_ring->cmd_buf_arr = cmd_buf_arr; |
228 | ||
b1fc6d3c | 229 | recv_ctx = adapter->recv_ctx; |
af19b491 AKS |
230 | |
231 | size = adapter->max_rds_rings * sizeof(struct qlcnic_host_rds_ring); | |
232 | rds_ring = kzalloc(size, GFP_KERNEL); | |
233 | if (rds_ring == NULL) { | |
234 | dev_err(&netdev->dev, "failed to allocate rds ring struct\n"); | |
aadd8184 | 235 | goto err_out; |
af19b491 AKS |
236 | } |
237 | recv_ctx->rds_rings = rds_ring; | |
238 | ||
239 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
240 | rds_ring = &recv_ctx->rds_rings[ring]; | |
241 | switch (ring) { | |
242 | case RCV_RING_NORMAL: | |
243 | rds_ring->num_desc = adapter->num_rxd; | |
ff1b1bf8 | 244 | rds_ring->dma_size = QLCNIC_P3P_RX_BUF_MAX_LEN; |
251a84c9 | 245 | rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN; |
af19b491 AKS |
246 | break; |
247 | ||
248 | case RCV_RING_JUMBO: | |
249 | rds_ring->num_desc = adapter->num_jumbo_rxd; | |
250 | rds_ring->dma_size = | |
ff1b1bf8 | 251 | QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN; |
af19b491 AKS |
252 | |
253 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) | |
254 | rds_ring->dma_size += QLCNIC_LRO_BUFFER_EXTRA; | |
255 | ||
256 | rds_ring->skb_size = | |
257 | rds_ring->dma_size + NET_IP_ALIGN; | |
258 | break; | |
af19b491 | 259 | } |
f3167460 | 260 | rds_ring->rx_buf_arr = vzalloc(RCV_BUFF_RINGSIZE(rds_ring)); |
af19b491 AKS |
261 | if (rds_ring->rx_buf_arr == NULL) { |
262 | dev_err(&netdev->dev, "Failed to allocate " | |
263 | "rx buffer ring %d\n", ring); | |
264 | goto err_out; | |
265 | } | |
af19b491 AKS |
266 | INIT_LIST_HEAD(&rds_ring->free_list); |
267 | /* | |
268 | * Now go through all of them, set reference handles | |
269 | * and put them in the queues. | |
270 | */ | |
271 | rx_buf = rds_ring->rx_buf_arr; | |
272 | for (i = 0; i < rds_ring->num_desc; i++) { | |
273 | list_add_tail(&rx_buf->list, | |
274 | &rds_ring->free_list); | |
275 | rx_buf->ref_handle = i; | |
af19b491 AKS |
276 | rx_buf++; |
277 | } | |
278 | spin_lock_init(&rds_ring->lock); | |
279 | } | |
280 | ||
281 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
282 | sds_ring = &recv_ctx->sds_rings[ring]; | |
283 | sds_ring->irq = adapter->msix_entries[ring].vector; | |
284 | sds_ring->adapter = adapter; | |
285 | sds_ring->num_desc = adapter->num_rxd; | |
286 | ||
287 | for (i = 0; i < NUM_RCV_DESC_RINGS; i++) | |
288 | INIT_LIST_HEAD(&sds_ring->free_list[i]); | |
289 | } | |
290 | ||
291 | return 0; | |
292 | ||
293 | err_out: | |
294 | qlcnic_free_sw_resources(adapter); | |
295 | return -ENOMEM; | |
296 | } | |
297 | ||
298 | /* | |
299 | * Utility to translate from internal Phantom CRB address | |
300 | * to external PCI CRB address. | |
301 | */ | |
302 | static u32 qlcnic_decode_crb_addr(u32 addr) | |
303 | { | |
304 | int i; | |
305 | u32 base_addr, offset, pci_base; | |
306 | ||
307 | crb_addr_transform_setup(); | |
308 | ||
309 | pci_base = QLCNIC_ADDR_ERROR; | |
310 | base_addr = addr & 0xfff00000; | |
311 | offset = addr & 0x000fffff; | |
312 | ||
313 | for (i = 0; i < QLCNIC_MAX_CRB_XFORM; i++) { | |
314 | if (crb_addr_xform[i] == base_addr) { | |
315 | pci_base = i << 20; | |
316 | break; | |
317 | } | |
318 | } | |
319 | if (pci_base == QLCNIC_ADDR_ERROR) | |
320 | return pci_base; | |
321 | else | |
322 | return pci_base + offset; | |
323 | } | |
324 | ||
325 | #define QLCNIC_MAX_ROM_WAIT_USEC 100 | |
326 | ||
327 | static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter) | |
328 | { | |
329 | long timeout = 0; | |
330 | long done = 0; | |
331 | ||
332 | cond_resched(); | |
333 | ||
334 | while (done == 0) { | |
335 | done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS); | |
336 | done &= 2; | |
337 | if (++timeout >= QLCNIC_MAX_ROM_WAIT_USEC) { | |
338 | dev_err(&adapter->pdev->dev, | |
339 | "Timeout reached waiting for rom done"); | |
340 | return -EIO; | |
341 | } | |
342 | udelay(1); | |
343 | } | |
344 | return 0; | |
345 | } | |
346 | ||
347 | static int do_rom_fast_read(struct qlcnic_adapter *adapter, | |
348 | int addr, int *valp) | |
349 | { | |
350 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ADDRESS, addr); | |
351 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); | |
352 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 3); | |
353 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_INSTR_OPCODE, 0xb); | |
354 | if (qlcnic_wait_rom_done(adapter)) { | |
355 | dev_err(&adapter->pdev->dev, "Error waiting for rom done\n"); | |
356 | return -EIO; | |
357 | } | |
358 | /* reset abyte_cnt and dummy_byte_cnt */ | |
359 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 0); | |
360 | udelay(10); | |
361 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); | |
362 | ||
363 | *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA); | |
364 | return 0; | |
365 | } | |
366 | ||
367 | static int do_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr, | |
368 | u8 *bytes, size_t size) | |
369 | { | |
370 | int addridx; | |
371 | int ret = 0; | |
372 | ||
373 | for (addridx = addr; addridx < (addr + size); addridx += 4) { | |
374 | int v; | |
375 | ret = do_rom_fast_read(adapter, addridx, &v); | |
376 | if (ret != 0) | |
377 | break; | |
378 | *(__le32 *)bytes = cpu_to_le32(v); | |
379 | bytes += 4; | |
380 | } | |
381 | ||
382 | return ret; | |
383 | } | |
384 | ||
385 | int | |
386 | qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr, | |
387 | u8 *bytes, size_t size) | |
388 | { | |
389 | int ret; | |
390 | ||
391 | ret = qlcnic_rom_lock(adapter); | |
392 | if (ret < 0) | |
393 | return ret; | |
394 | ||
395 | ret = do_rom_fast_read_words(adapter, addr, bytes, size); | |
396 | ||
397 | qlcnic_rom_unlock(adapter); | |
398 | return ret; | |
399 | } | |
400 | ||
401 | int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, int addr, int *valp) | |
402 | { | |
403 | int ret; | |
404 | ||
405 | if (qlcnic_rom_lock(adapter) != 0) | |
406 | return -EIO; | |
407 | ||
408 | ret = do_rom_fast_read(adapter, addr, valp); | |
409 | qlcnic_rom_unlock(adapter); | |
410 | return ret; | |
411 | } | |
412 | ||
413 | int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) | |
414 | { | |
415 | int addr, val; | |
416 | int i, n, init_delay; | |
417 | struct crb_addr_pair *buf; | |
418 | unsigned offset; | |
419 | u32 off; | |
420 | struct pci_dev *pdev = adapter->pdev; | |
421 | ||
d4066833 SC |
422 | QLCWR32(adapter, CRB_CMDPEG_STATE, 0); |
423 | QLCWR32(adapter, CRB_RCVPEG_STATE, 0); | |
424 | ||
af19b491 | 425 | qlcnic_rom_lock(adapter); |
469c221f | 426 | QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xfeffffff); |
af19b491 AKS |
427 | qlcnic_rom_unlock(adapter); |
428 | ||
d4066833 | 429 | /* Init HW CRB block */ |
af19b491 AKS |
430 | if (qlcnic_rom_fast_read(adapter, 0, &n) != 0 || (n != 0xcafecafe) || |
431 | qlcnic_rom_fast_read(adapter, 4, &n) != 0) { | |
432 | dev_err(&pdev->dev, "ERROR Reading crb_init area: val:%x\n", n); | |
433 | return -EIO; | |
434 | } | |
435 | offset = n & 0xffffU; | |
436 | n = (n >> 16) & 0xffffU; | |
437 | ||
438 | if (n >= 1024) { | |
439 | dev_err(&pdev->dev, "QLOGIC card flash not initialized.\n"); | |
440 | return -EIO; | |
441 | } | |
442 | ||
443 | buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL); | |
444 | if (buf == NULL) { | |
445 | dev_err(&pdev->dev, "Unable to calloc memory for rom read.\n"); | |
446 | return -ENOMEM; | |
447 | } | |
448 | ||
449 | for (i = 0; i < n; i++) { | |
450 | if (qlcnic_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 || | |
451 | qlcnic_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) { | |
452 | kfree(buf); | |
453 | return -EIO; | |
454 | } | |
455 | ||
456 | buf[i].addr = addr; | |
457 | buf[i].data = val; | |
458 | } | |
459 | ||
460 | for (i = 0; i < n; i++) { | |
461 | ||
462 | off = qlcnic_decode_crb_addr(buf[i].addr); | |
463 | if (off == QLCNIC_ADDR_ERROR) { | |
464 | dev_err(&pdev->dev, "CRB init value out of range %x\n", | |
465 | buf[i].addr); | |
466 | continue; | |
467 | } | |
468 | off += QLCNIC_PCI_CRBSPACE; | |
469 | ||
470 | if (off & 1) | |
471 | continue; | |
472 | ||
473 | /* skipping cold reboot MAGIC */ | |
474 | if (off == QLCNIC_CAM_RAM(0x1fc)) | |
475 | continue; | |
476 | if (off == (QLCNIC_CRB_I2C0 + 0x1c)) | |
477 | continue; | |
478 | if (off == (ROMUSB_GLB + 0xbc)) /* do not reset PCI */ | |
479 | continue; | |
480 | if (off == (ROMUSB_GLB + 0xa8)) | |
481 | continue; | |
482 | if (off == (ROMUSB_GLB + 0xc8)) /* core clock */ | |
483 | continue; | |
484 | if (off == (ROMUSB_GLB + 0x24)) /* MN clock */ | |
485 | continue; | |
486 | if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */ | |
487 | continue; | |
488 | if ((off & 0x0ff00000) == QLCNIC_CRB_DDR_NET) | |
489 | continue; | |
490 | /* skip the function enable register */ | |
491 | if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION)) | |
492 | continue; | |
493 | if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2)) | |
494 | continue; | |
495 | if ((off & 0x0ff00000) == QLCNIC_CRB_SMB) | |
496 | continue; | |
497 | ||
498 | init_delay = 1; | |
499 | /* After writing this register, HW needs time for CRB */ | |
500 | /* to quiet down (else crb_window returns 0xffffffff) */ | |
501 | if (off == QLCNIC_ROMUSB_GLB_SW_RESET) | |
502 | init_delay = 1000; | |
503 | ||
504 | QLCWR32(adapter, off, buf[i].data); | |
505 | ||
506 | msleep(init_delay); | |
507 | } | |
508 | kfree(buf); | |
509 | ||
d4066833 | 510 | /* Initialize protocol process engine */ |
af19b491 | 511 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0xec, 0x1e); |
af19b491 AKS |
512 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0x4c, 8); |
513 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_I + 0x4c, 8); | |
af19b491 AKS |
514 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x8, 0); |
515 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0xc, 0); | |
516 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x8, 0); | |
517 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0xc, 0); | |
518 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x8, 0); | |
519 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0xc, 0); | |
520 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x8, 0); | |
521 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0); | |
d4066833 SC |
522 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x8, 0); |
523 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0xc, 0); | |
524 | msleep(1); | |
525 | QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0); | |
526 | QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0); | |
af19b491 AKS |
527 | return 0; |
528 | } | |
529 | ||
4e70812b | 530 | static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter) |
d4066833 | 531 | { |
4e70812b SC |
532 | u32 val; |
533 | int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT; | |
d4066833 | 534 | |
d4066833 | 535 | do { |
4e70812b SC |
536 | val = QLCRD32(adapter, CRB_CMDPEG_STATE); |
537 | ||
538 | switch (val) { | |
539 | case PHAN_INITIALIZE_COMPLETE: | |
540 | case PHAN_INITIALIZE_ACK: | |
541 | return 0; | |
542 | case PHAN_INITIALIZE_FAILED: | |
543 | goto out_err; | |
544 | default: | |
545 | break; | |
d4066833 | 546 | } |
4e70812b SC |
547 | |
548 | msleep(QLCNIC_CMDPEG_CHECK_DELAY); | |
549 | ||
d4066833 SC |
550 | } while (--retries); |
551 | ||
4e70812b SC |
552 | QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED); |
553 | ||
554 | out_err: | |
555 | dev_err(&adapter->pdev->dev, "Command Peg initialization not " | |
556 | "complete, state: 0x%x.\n", val); | |
557 | return -EIO; | |
558 | } | |
559 | ||
560 | static int | |
561 | qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter) | |
562 | { | |
563 | u32 val; | |
564 | int retries = QLCNIC_RCVPEG_CHECK_RETRY_COUNT; | |
565 | ||
566 | do { | |
567 | val = QLCRD32(adapter, CRB_RCVPEG_STATE); | |
568 | ||
569 | if (val == PHAN_PEG_RCV_INITIALIZED) | |
570 | return 0; | |
571 | ||
572 | msleep(QLCNIC_RCVPEG_CHECK_DELAY); | |
573 | ||
574 | } while (--retries); | |
575 | ||
576 | if (!retries) { | |
577 | dev_err(&adapter->pdev->dev, "Receive Peg initialization not " | |
578 | "complete, state: 0x%x.\n", val); | |
579 | return -EIO; | |
580 | } | |
581 | ||
582 | return 0; | |
583 | } | |
584 | ||
585 | int | |
586 | qlcnic_check_fw_status(struct qlcnic_adapter *adapter) | |
587 | { | |
588 | int err; | |
589 | ||
590 | err = qlcnic_cmd_peg_ready(adapter); | |
591 | if (err) | |
592 | return err; | |
593 | ||
594 | err = qlcnic_receive_peg_ready(adapter); | |
595 | if (err) | |
596 | return err; | |
597 | ||
598 | QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK); | |
599 | ||
600 | return err; | |
d4066833 SC |
601 | } |
602 | ||
b3a24649 | 603 | int |
aa5e18c0 SC |
604 | qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) { |
605 | ||
606 | int timeo; | |
b3a24649 SC |
607 | u32 val; |
608 | ||
45918e2f AC |
609 | val = QLCRD32(adapter, QLCNIC_CRB_DEV_PARTITION_INFO); |
610 | val = QLC_DEV_GET_DRV(val, adapter->portnum); | |
611 | if ((val & 0x3) != QLCNIC_TYPE_NIC) { | |
612 | dev_err(&adapter->pdev->dev, | |
613 | "Not an Ethernet NIC func=%u\n", val); | |
614 | return -EIO; | |
b3a24649 | 615 | } |
45918e2f | 616 | adapter->physical_port = (val >> 2); |
aa5e18c0 | 617 | if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DEV_INIT_TIMEOUT, &timeo)) |
251b036a | 618 | timeo = QLCNIC_INIT_TIMEOUT_SECS; |
aa5e18c0 SC |
619 | |
620 | adapter->dev_init_timeo = timeo; | |
621 | ||
622 | if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DRV_RESET_TIMEOUT, &timeo)) | |
251b036a | 623 | timeo = QLCNIC_RESET_TIMEOUT_SECS; |
aa5e18c0 SC |
624 | |
625 | adapter->reset_ack_timeo = timeo; | |
b3a24649 SC |
626 | |
627 | return 0; | |
aa5e18c0 SC |
628 | } |
629 | ||
0e5f20b6 | 630 | static int qlcnic_get_flt_entry(struct qlcnic_adapter *adapter, u8 region, |
631 | struct qlcnic_flt_entry *region_entry) | |
632 | { | |
633 | struct qlcnic_flt_header flt_hdr; | |
634 | struct qlcnic_flt_entry *flt_entry; | |
635 | int i = 0, ret; | |
636 | u32 entry_size; | |
637 | ||
638 | memset(region_entry, 0, sizeof(struct qlcnic_flt_entry)); | |
639 | ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION, | |
640 | (u8 *)&flt_hdr, | |
641 | sizeof(struct qlcnic_flt_header)); | |
642 | if (ret) { | |
643 | dev_warn(&adapter->pdev->dev, | |
644 | "error reading flash layout header\n"); | |
645 | return -EIO; | |
646 | } | |
647 | ||
648 | entry_size = flt_hdr.len - sizeof(struct qlcnic_flt_header); | |
649 | flt_entry = (struct qlcnic_flt_entry *)vzalloc(entry_size); | |
650 | if (flt_entry == NULL) { | |
651 | dev_warn(&adapter->pdev->dev, "error allocating memory\n"); | |
652 | return -EIO; | |
653 | } | |
654 | ||
655 | ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION + | |
656 | sizeof(struct qlcnic_flt_header), | |
657 | (u8 *)flt_entry, entry_size); | |
658 | if (ret) { | |
659 | dev_warn(&adapter->pdev->dev, | |
660 | "error reading flash layout entries\n"); | |
661 | goto err_out; | |
662 | } | |
663 | ||
664 | while (i < (entry_size/sizeof(struct qlcnic_flt_entry))) { | |
665 | if (flt_entry[i].region == region) | |
666 | break; | |
667 | i++; | |
668 | } | |
669 | if (i >= (entry_size/sizeof(struct qlcnic_flt_entry))) { | |
670 | dev_warn(&adapter->pdev->dev, | |
671 | "region=%x not found in %d regions\n", region, i); | |
672 | ret = -EIO; | |
673 | goto err_out; | |
674 | } | |
675 | memcpy(region_entry, &flt_entry[i], sizeof(struct qlcnic_flt_entry)); | |
676 | ||
677 | err_out: | |
678 | vfree(flt_entry); | |
679 | return ret; | |
680 | } | |
681 | ||
8f891387 | 682 | int |
683 | qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter) | |
684 | { | |
0e5f20b6 | 685 | struct qlcnic_flt_entry fw_entry; |
8f891387 | 686 | u32 ver = -1, min_ver; |
0e5f20b6 | 687 | int ret; |
8f891387 | 688 | |
0e5f20b6 | 689 | ret = qlcnic_get_flt_entry(adapter, QLCNIC_FW_IMAGE_REGION, &fw_entry); |
690 | if (!ret) | |
691 | /* 0-4:-signature, 4-8:-fw version */ | |
692 | qlcnic_rom_fast_read(adapter, fw_entry.start_addr + 4, | |
693 | (int *)&ver); | |
694 | else | |
695 | qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET, | |
696 | (int *)&ver); | |
8f891387 | 697 | |
698 | ver = QLCNIC_DECODE_VERSION(ver); | |
699 | min_ver = QLCNIC_MIN_FW_VERSION; | |
700 | ||
701 | if (ver < min_ver) { | |
702 | dev_err(&adapter->pdev->dev, | |
703 | "firmware version %d.%d.%d unsupported." | |
704 | "Min supported version %d.%d.%d\n", | |
705 | _major(ver), _minor(ver), _build(ver), | |
706 | _major(min_ver), _minor(min_ver), _build(min_ver)); | |
707 | return -EINVAL; | |
708 | } | |
709 | ||
710 | return 0; | |
711 | } | |
712 | ||
af19b491 AKS |
713 | static int |
714 | qlcnic_has_mn(struct qlcnic_adapter *adapter) | |
715 | { | |
8f891387 | 716 | u32 capability; |
af19b491 AKS |
717 | capability = 0; |
718 | ||
251a84c9 AKS |
719 | capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY); |
720 | if (capability & QLCNIC_PEG_TUNE_MN_PRESENT) | |
721 | return 1; | |
af19b491 | 722 | |
af19b491 AKS |
723 | return 0; |
724 | } | |
725 | ||
726 | static | |
727 | struct uni_table_desc *qlcnic_get_table_desc(const u8 *unirom, int section) | |
728 | { | |
729 | u32 i; | |
730 | struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0]; | |
731 | __le32 entries = cpu_to_le32(directory->num_entries); | |
732 | ||
733 | for (i = 0; i < entries; i++) { | |
734 | ||
735 | __le32 offs = cpu_to_le32(directory->findex) + | |
736 | (i * cpu_to_le32(directory->entry_size)); | |
737 | __le32 tab_type = cpu_to_le32(*((u32 *)&unirom[offs] + 8)); | |
738 | ||
739 | if (tab_type == section) | |
740 | return (struct uni_table_desc *) &unirom[offs]; | |
741 | } | |
742 | ||
743 | return NULL; | |
744 | } | |
745 | ||
b7eff100 SC |
746 | #define FILEHEADER_SIZE (14 * 4) |
747 | ||
af19b491 | 748 | static int |
b7eff100 | 749 | qlcnic_validate_header(struct qlcnic_adapter *adapter) |
af19b491 | 750 | { |
af19b491 | 751 | const u8 *unirom = adapter->fw->data; |
b7eff100 SC |
752 | struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0]; |
753 | __le32 fw_file_size = adapter->fw->size; | |
af19b491 | 754 | __le32 entries; |
b7eff100 SC |
755 | __le32 entry_size; |
756 | __le32 tab_size; | |
757 | ||
758 | if (fw_file_size < FILEHEADER_SIZE) | |
759 | return -EINVAL; | |
760 | ||
761 | entries = cpu_to_le32(directory->num_entries); | |
762 | entry_size = cpu_to_le32(directory->entry_size); | |
763 | tab_size = cpu_to_le32(directory->findex) + (entries * entry_size); | |
764 | ||
765 | if (fw_file_size < tab_size) | |
766 | return -EINVAL; | |
767 | ||
768 | return 0; | |
769 | } | |
770 | ||
771 | static int | |
772 | qlcnic_validate_bootld(struct qlcnic_adapter *adapter) | |
773 | { | |
774 | struct uni_table_desc *tab_desc; | |
775 | struct uni_data_desc *descr; | |
776 | const u8 *unirom = adapter->fw->data; | |
777 | int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] + | |
778 | QLCNIC_UNI_BOOTLD_IDX_OFF)); | |
779 | __le32 offs; | |
780 | __le32 tab_size; | |
781 | __le32 data_size; | |
782 | ||
783 | tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_BOOTLD); | |
784 | ||
785 | if (!tab_desc) | |
786 | return -EINVAL; | |
787 | ||
788 | tab_size = cpu_to_le32(tab_desc->findex) + | |
22dfaa86 | 789 | (cpu_to_le32(tab_desc->entry_size) * (idx + 1)); |
b7eff100 SC |
790 | |
791 | if (adapter->fw->size < tab_size) | |
792 | return -EINVAL; | |
793 | ||
794 | offs = cpu_to_le32(tab_desc->findex) + | |
795 | (cpu_to_le32(tab_desc->entry_size) * (idx)); | |
796 | descr = (struct uni_data_desc *)&unirom[offs]; | |
797 | ||
22dfaa86 | 798 | data_size = cpu_to_le32(descr->findex) + cpu_to_le32(descr->size); |
b7eff100 SC |
799 | |
800 | if (adapter->fw->size < data_size) | |
801 | return -EINVAL; | |
802 | ||
803 | return 0; | |
804 | } | |
805 | ||
806 | static int | |
807 | qlcnic_validate_fw(struct qlcnic_adapter *adapter) | |
808 | { | |
809 | struct uni_table_desc *tab_desc; | |
810 | struct uni_data_desc *descr; | |
811 | const u8 *unirom = adapter->fw->data; | |
812 | int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] + | |
813 | QLCNIC_UNI_FIRMWARE_IDX_OFF)); | |
814 | __le32 offs; | |
815 | __le32 tab_size; | |
816 | __le32 data_size; | |
817 | ||
818 | tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_FW); | |
819 | ||
820 | if (!tab_desc) | |
821 | return -EINVAL; | |
822 | ||
823 | tab_size = cpu_to_le32(tab_desc->findex) + | |
22dfaa86 | 824 | (cpu_to_le32(tab_desc->entry_size) * (idx + 1)); |
b7eff100 SC |
825 | |
826 | if (adapter->fw->size < tab_size) | |
827 | return -EINVAL; | |
828 | ||
829 | offs = cpu_to_le32(tab_desc->findex) + | |
830 | (cpu_to_le32(tab_desc->entry_size) * (idx)); | |
831 | descr = (struct uni_data_desc *)&unirom[offs]; | |
22dfaa86 | 832 | data_size = cpu_to_le32(descr->findex) + cpu_to_le32(descr->size); |
b7eff100 SC |
833 | |
834 | if (adapter->fw->size < data_size) | |
835 | return -EINVAL; | |
836 | ||
837 | return 0; | |
838 | } | |
839 | ||
840 | static int | |
841 | qlcnic_validate_product_offs(struct qlcnic_adapter *adapter) | |
842 | { | |
843 | struct uni_table_desc *ptab_descr; | |
844 | const u8 *unirom = adapter->fw->data; | |
af19b491 | 845 | int mn_present = qlcnic_has_mn(adapter); |
b7eff100 SC |
846 | __le32 entries; |
847 | __le32 entry_size; | |
848 | __le32 tab_size; | |
849 | u32 i; | |
af19b491 AKS |
850 | |
851 | ptab_descr = qlcnic_get_table_desc(unirom, | |
852 | QLCNIC_UNI_DIR_SECT_PRODUCT_TBL); | |
b7eff100 SC |
853 | if (!ptab_descr) |
854 | return -EINVAL; | |
af19b491 AKS |
855 | |
856 | entries = cpu_to_le32(ptab_descr->num_entries); | |
b7eff100 SC |
857 | entry_size = cpu_to_le32(ptab_descr->entry_size); |
858 | tab_size = cpu_to_le32(ptab_descr->findex) + (entries * entry_size); | |
859 | ||
860 | if (adapter->fw->size < tab_size) | |
861 | return -EINVAL; | |
862 | ||
af19b491 AKS |
863 | nomn: |
864 | for (i = 0; i < entries; i++) { | |
865 | ||
866 | __le32 flags, file_chiprev, offs; | |
b1fc6d3c | 867 | u8 chiprev = adapter->ahw->revision_id; |
af19b491 AKS |
868 | u32 flagbit; |
869 | ||
870 | offs = cpu_to_le32(ptab_descr->findex) + | |
871 | (i * cpu_to_le32(ptab_descr->entry_size)); | |
872 | flags = cpu_to_le32(*((int *)&unirom[offs] + | |
873 | QLCNIC_UNI_FLAGS_OFF)); | |
874 | file_chiprev = cpu_to_le32(*((int *)&unirom[offs] + | |
875 | QLCNIC_UNI_CHIP_REV_OFF)); | |
876 | ||
877 | flagbit = mn_present ? 1 : 2; | |
878 | ||
879 | if ((chiprev == file_chiprev) && | |
880 | ((1ULL << flagbit) & flags)) { | |
881 | adapter->file_prd_off = offs; | |
882 | return 0; | |
883 | } | |
884 | } | |
885 | if (mn_present) { | |
886 | mn_present = 0; | |
887 | goto nomn; | |
888 | } | |
b7eff100 SC |
889 | return -EINVAL; |
890 | } | |
891 | ||
892 | static int | |
893 | qlcnic_validate_unified_romimage(struct qlcnic_adapter *adapter) | |
894 | { | |
895 | if (qlcnic_validate_header(adapter)) { | |
896 | dev_err(&adapter->pdev->dev, | |
897 | "unified image: header validation failed\n"); | |
898 | return -EINVAL; | |
899 | } | |
900 | ||
901 | if (qlcnic_validate_product_offs(adapter)) { | |
902 | dev_err(&adapter->pdev->dev, | |
903 | "unified image: product validation failed\n"); | |
904 | return -EINVAL; | |
905 | } | |
906 | ||
907 | if (qlcnic_validate_bootld(adapter)) { | |
908 | dev_err(&adapter->pdev->dev, | |
909 | "unified image: bootld validation failed\n"); | |
910 | return -EINVAL; | |
911 | } | |
912 | ||
913 | if (qlcnic_validate_fw(adapter)) { | |
914 | dev_err(&adapter->pdev->dev, | |
915 | "unified image: firmware validation failed\n"); | |
916 | return -EINVAL; | |
917 | } | |
918 | ||
919 | return 0; | |
af19b491 AKS |
920 | } |
921 | ||
922 | static | |
923 | struct uni_data_desc *qlcnic_get_data_desc(struct qlcnic_adapter *adapter, | |
924 | u32 section, u32 idx_offset) | |
925 | { | |
926 | const u8 *unirom = adapter->fw->data; | |
927 | int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] + | |
928 | idx_offset)); | |
929 | struct uni_table_desc *tab_desc; | |
930 | __le32 offs; | |
931 | ||
932 | tab_desc = qlcnic_get_table_desc(unirom, section); | |
933 | ||
934 | if (tab_desc == NULL) | |
935 | return NULL; | |
936 | ||
937 | offs = cpu_to_le32(tab_desc->findex) + | |
938 | (cpu_to_le32(tab_desc->entry_size) * idx); | |
939 | ||
940 | return (struct uni_data_desc *)&unirom[offs]; | |
941 | } | |
942 | ||
943 | static u8 * | |
944 | qlcnic_get_bootld_offs(struct qlcnic_adapter *adapter) | |
945 | { | |
946 | u32 offs = QLCNIC_BOOTLD_START; | |
947 | ||
948 | if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE) | |
949 | offs = cpu_to_le32((qlcnic_get_data_desc(adapter, | |
950 | QLCNIC_UNI_DIR_SECT_BOOTLD, | |
951 | QLCNIC_UNI_BOOTLD_IDX_OFF))->findex); | |
952 | ||
953 | return (u8 *)&adapter->fw->data[offs]; | |
954 | } | |
955 | ||
956 | static u8 * | |
957 | qlcnic_get_fw_offs(struct qlcnic_adapter *adapter) | |
958 | { | |
959 | u32 offs = QLCNIC_IMAGE_START; | |
960 | ||
961 | if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE) | |
962 | offs = cpu_to_le32((qlcnic_get_data_desc(adapter, | |
963 | QLCNIC_UNI_DIR_SECT_FW, | |
964 | QLCNIC_UNI_FIRMWARE_IDX_OFF))->findex); | |
965 | ||
966 | return (u8 *)&adapter->fw->data[offs]; | |
967 | } | |
968 | ||
969 | static __le32 | |
970 | qlcnic_get_fw_size(struct qlcnic_adapter *adapter) | |
971 | { | |
972 | if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE) | |
973 | return cpu_to_le32((qlcnic_get_data_desc(adapter, | |
974 | QLCNIC_UNI_DIR_SECT_FW, | |
975 | QLCNIC_UNI_FIRMWARE_IDX_OFF))->size); | |
976 | else | |
977 | return cpu_to_le32( | |
978 | *(u32 *)&adapter->fw->data[QLCNIC_FW_SIZE_OFFSET]); | |
979 | } | |
980 | ||
981 | static __le32 | |
982 | qlcnic_get_fw_version(struct qlcnic_adapter *adapter) | |
983 | { | |
984 | struct uni_data_desc *fw_data_desc; | |
985 | const struct firmware *fw = adapter->fw; | |
986 | __le32 major, minor, sub; | |
987 | const u8 *ver_str; | |
988 | int i, ret; | |
989 | ||
990 | if (adapter->fw_type != QLCNIC_UNIFIED_ROMIMAGE) | |
991 | return cpu_to_le32(*(u32 *)&fw->data[QLCNIC_FW_VERSION_OFFSET]); | |
992 | ||
993 | fw_data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW, | |
994 | QLCNIC_UNI_FIRMWARE_IDX_OFF); | |
995 | ver_str = fw->data + cpu_to_le32(fw_data_desc->findex) + | |
996 | cpu_to_le32(fw_data_desc->size) - 17; | |
997 | ||
998 | for (i = 0; i < 12; i++) { | |
999 | if (!strncmp(&ver_str[i], "REV=", 4)) { | |
1000 | ret = sscanf(&ver_str[i+4], "%u.%u.%u ", | |
1001 | &major, &minor, &sub); | |
1002 | if (ret != 3) | |
1003 | return 0; | |
1004 | else | |
1005 | return major + (minor << 8) + (sub << 16); | |
1006 | } | |
1007 | } | |
1008 | ||
1009 | return 0; | |
1010 | } | |
1011 | ||
1012 | static __le32 | |
1013 | qlcnic_get_bios_version(struct qlcnic_adapter *adapter) | |
1014 | { | |
1015 | const struct firmware *fw = adapter->fw; | |
1016 | __le32 bios_ver, prd_off = adapter->file_prd_off; | |
1017 | ||
1018 | if (adapter->fw_type != QLCNIC_UNIFIED_ROMIMAGE) | |
1019 | return cpu_to_le32( | |
1020 | *(u32 *)&fw->data[QLCNIC_BIOS_VERSION_OFFSET]); | |
1021 | ||
1022 | bios_ver = cpu_to_le32(*((u32 *) (&fw->data[prd_off]) | |
1023 | + QLCNIC_UNI_BIOS_VERSION_OFF)); | |
1024 | ||
addd5abf | 1025 | return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24); |
af19b491 AKS |
1026 | } |
1027 | ||
091754a1 SC |
1028 | static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter) |
1029 | { | |
1030 | if (qlcnic_pcie_sem_lock(adapter, 2, QLCNIC_ROM_LOCK_ID)) | |
1031 | dev_info(&adapter->pdev->dev, "Resetting rom_lock\n"); | |
1032 | ||
1033 | qlcnic_pcie_sem_unlock(adapter, 2); | |
1034 | } | |
1035 | ||
4e70812b SC |
1036 | static int |
1037 | qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter) | |
1038 | { | |
1039 | u32 heartbeat, ret = -EIO; | |
1040 | int retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT; | |
1041 | ||
1042 | adapter->heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); | |
1043 | ||
1044 | do { | |
1045 | msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS); | |
1046 | heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); | |
1047 | if (heartbeat != adapter->heartbeat) { | |
1048 | ret = QLCNIC_RCODE_SUCCESS; | |
1049 | break; | |
1050 | } | |
1051 | } while (--retries); | |
1052 | ||
1053 | return ret; | |
1054 | } | |
1055 | ||
af19b491 AKS |
1056 | int |
1057 | qlcnic_need_fw_reset(struct qlcnic_adapter *adapter) | |
1058 | { | |
4e70812b | 1059 | if (qlcnic_check_fw_hearbeat(adapter)) { |
091754a1 | 1060 | qlcnic_rom_lock_recovery(adapter); |
af19b491 | 1061 | return 1; |
091754a1 | 1062 | } |
af19b491 | 1063 | |
091754a1 | 1064 | if (adapter->need_fw_reset) |
af19b491 AKS |
1065 | return 1; |
1066 | ||
97f29d82 AKS |
1067 | if (adapter->fw) |
1068 | return 1; | |
af19b491 AKS |
1069 | |
1070 | return 0; | |
1071 | } | |
1072 | ||
1073 | static const char *fw_name[] = { | |
1074 | QLCNIC_UNIFIED_ROMIMAGE_NAME, | |
1075 | QLCNIC_FLASH_ROMIMAGE_NAME, | |
1076 | }; | |
1077 | ||
1078 | int | |
1079 | qlcnic_load_firmware(struct qlcnic_adapter *adapter) | |
1080 | { | |
1081 | u64 *ptr64; | |
1082 | u32 i, flashaddr, size; | |
1083 | const struct firmware *fw = adapter->fw; | |
1084 | struct pci_dev *pdev = adapter->pdev; | |
1085 | ||
1086 | dev_info(&pdev->dev, "loading firmware from %s\n", | |
1087 | fw_name[adapter->fw_type]); | |
1088 | ||
1089 | if (fw) { | |
1090 | __le64 data; | |
1091 | ||
1092 | size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8; | |
1093 | ||
1094 | ptr64 = (u64 *)qlcnic_get_bootld_offs(adapter); | |
1095 | flashaddr = QLCNIC_BOOTLD_START; | |
1096 | ||
1097 | for (i = 0; i < size; i++) { | |
1098 | data = cpu_to_le64(ptr64[i]); | |
1099 | ||
1100 | if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data)) | |
1101 | return -EIO; | |
1102 | ||
1103 | flashaddr += 8; | |
1104 | } | |
1105 | ||
1106 | size = (__force u32)qlcnic_get_fw_size(adapter) / 8; | |
1107 | ||
1108 | ptr64 = (u64 *)qlcnic_get_fw_offs(adapter); | |
1109 | flashaddr = QLCNIC_IMAGE_START; | |
1110 | ||
1111 | for (i = 0; i < size; i++) { | |
1112 | data = cpu_to_le64(ptr64[i]); | |
1113 | ||
1114 | if (qlcnic_pci_mem_write_2M(adapter, | |
1115 | flashaddr, data)) | |
1116 | return -EIO; | |
1117 | ||
1118 | flashaddr += 8; | |
1119 | } | |
0bc92b5b AKS |
1120 | |
1121 | size = (__force u32)qlcnic_get_fw_size(adapter) % 8; | |
1122 | if (size) { | |
1123 | data = cpu_to_le64(ptr64[i]); | |
1124 | ||
1125 | if (qlcnic_pci_mem_write_2M(adapter, | |
1126 | flashaddr, data)) | |
1127 | return -EIO; | |
1128 | } | |
1129 | ||
af19b491 AKS |
1130 | } else { |
1131 | u64 data; | |
1132 | u32 hi, lo; | |
f8d54811 SV |
1133 | int ret; |
1134 | struct qlcnic_flt_entry bootld_entry; | |
1135 | ||
1136 | ret = qlcnic_get_flt_entry(adapter, QLCNIC_BOOTLD_REGION, | |
1137 | &bootld_entry); | |
1138 | if (!ret) { | |
1139 | size = bootld_entry.size / 8; | |
1140 | flashaddr = bootld_entry.start_addr; | |
1141 | } else { | |
1142 | size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8; | |
1143 | flashaddr = QLCNIC_BOOTLD_START; | |
1144 | dev_info(&pdev->dev, | |
1145 | "using legacy method to get flash fw region"); | |
1146 | } | |
af19b491 AKS |
1147 | |
1148 | for (i = 0; i < size; i++) { | |
1149 | if (qlcnic_rom_fast_read(adapter, | |
1150 | flashaddr, (int *)&lo) != 0) | |
1151 | return -EIO; | |
1152 | if (qlcnic_rom_fast_read(adapter, | |
1153 | flashaddr + 4, (int *)&hi) != 0) | |
1154 | return -EIO; | |
1155 | ||
1156 | data = (((u64)hi << 32) | lo); | |
1157 | ||
1158 | if (qlcnic_pci_mem_write_2M(adapter, | |
1159 | flashaddr, data)) | |
1160 | return -EIO; | |
1161 | ||
1162 | flashaddr += 8; | |
1163 | } | |
1164 | } | |
1165 | msleep(1); | |
1166 | ||
1167 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020); | |
1168 | QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e); | |
1169 | return 0; | |
1170 | } | |
1171 | ||
1172 | static int | |
1173 | qlcnic_validate_firmware(struct qlcnic_adapter *adapter) | |
1174 | { | |
1175 | __le32 val; | |
8f891387 | 1176 | u32 ver, bios, min_size; |
af19b491 AKS |
1177 | struct pci_dev *pdev = adapter->pdev; |
1178 | const struct firmware *fw = adapter->fw; | |
1179 | u8 fw_type = adapter->fw_type; | |
1180 | ||
1181 | if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) { | |
b7eff100 | 1182 | if (qlcnic_validate_unified_romimage(adapter)) |
af19b491 AKS |
1183 | return -EINVAL; |
1184 | ||
1185 | min_size = QLCNIC_UNI_FW_MIN_SIZE; | |
1186 | } else { | |
1187 | val = cpu_to_le32(*(u32 *)&fw->data[QLCNIC_FW_MAGIC_OFFSET]); | |
1188 | if ((__force u32)val != QLCNIC_BDINFO_MAGIC) | |
1189 | return -EINVAL; | |
1190 | ||
1191 | min_size = QLCNIC_FW_MIN_SIZE; | |
1192 | } | |
1193 | ||
1194 | if (fw->size < min_size) | |
1195 | return -EINVAL; | |
1196 | ||
1197 | val = qlcnic_get_fw_version(adapter); | |
af19b491 AKS |
1198 | ver = QLCNIC_DECODE_VERSION(val); |
1199 | ||
8f891387 | 1200 | if (ver < QLCNIC_MIN_FW_VERSION) { |
af19b491 AKS |
1201 | dev_err(&pdev->dev, |
1202 | "%s: firmware version %d.%d.%d unsupported\n", | |
1203 | fw_name[fw_type], _major(ver), _minor(ver), _build(ver)); | |
1204 | return -EINVAL; | |
1205 | } | |
1206 | ||
1207 | val = qlcnic_get_bios_version(adapter); | |
1208 | qlcnic_rom_fast_read(adapter, QLCNIC_BIOS_VERSION_OFFSET, (int *)&bios); | |
1209 | if ((__force u32)val != bios) { | |
1210 | dev_err(&pdev->dev, "%s: firmware bios is incompatible\n", | |
1211 | fw_name[fw_type]); | |
1212 | return -EINVAL; | |
1213 | } | |
1214 | ||
af19b491 AKS |
1215 | QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC); |
1216 | return 0; | |
1217 | } | |
1218 | ||
1219 | static void | |
1220 | qlcnic_get_next_fwtype(struct qlcnic_adapter *adapter) | |
1221 | { | |
1222 | u8 fw_type; | |
1223 | ||
1224 | switch (adapter->fw_type) { | |
1225 | case QLCNIC_UNKNOWN_ROMIMAGE: | |
1226 | fw_type = QLCNIC_UNIFIED_ROMIMAGE; | |
1227 | break; | |
1228 | ||
1229 | case QLCNIC_UNIFIED_ROMIMAGE: | |
1230 | default: | |
1231 | fw_type = QLCNIC_FLASH_ROMIMAGE; | |
1232 | break; | |
1233 | } | |
1234 | ||
1235 | adapter->fw_type = fw_type; | |
1236 | } | |
1237 | ||
1238 | ||
1239 | ||
1240 | void qlcnic_request_firmware(struct qlcnic_adapter *adapter) | |
1241 | { | |
1242 | struct pci_dev *pdev = adapter->pdev; | |
1243 | int rc; | |
1244 | ||
1245 | adapter->fw_type = QLCNIC_UNKNOWN_ROMIMAGE; | |
1246 | ||
1247 | next: | |
1248 | qlcnic_get_next_fwtype(adapter); | |
1249 | ||
1250 | if (adapter->fw_type == QLCNIC_FLASH_ROMIMAGE) { | |
1251 | adapter->fw = NULL; | |
1252 | } else { | |
1253 | rc = request_firmware(&adapter->fw, | |
1254 | fw_name[adapter->fw_type], &pdev->dev); | |
1255 | if (rc != 0) | |
1256 | goto next; | |
1257 | ||
1258 | rc = qlcnic_validate_firmware(adapter); | |
1259 | if (rc != 0) { | |
1260 | release_firmware(adapter->fw); | |
1261 | msleep(1); | |
1262 | goto next; | |
1263 | } | |
1264 | } | |
1265 | } | |
1266 | ||
1267 | ||
1268 | void | |
1269 | qlcnic_release_firmware(struct qlcnic_adapter *adapter) | |
1270 | { | |
1271 | if (adapter->fw) | |
1272 | release_firmware(adapter->fw); | |
1273 | adapter->fw = NULL; | |
1274 | } | |
1275 | ||
af19b491 AKS |
1276 | static void |
1277 | qlcnic_handle_linkevent(struct qlcnic_adapter *adapter, | |
1278 | struct qlcnic_fw_msg *msg) | |
1279 | { | |
1280 | u32 cable_OUI; | |
1281 | u16 cable_len; | |
1282 | u16 link_speed; | |
1283 | u8 link_status, module, duplex, autoneg; | |
1284 | struct net_device *netdev = adapter->netdev; | |
1285 | ||
1286 | adapter->has_link_events = 1; | |
1287 | ||
1288 | cable_OUI = msg->body[1] & 0xffffffff; | |
1289 | cable_len = (msg->body[1] >> 32) & 0xffff; | |
1290 | link_speed = (msg->body[1] >> 48) & 0xffff; | |
1291 | ||
1292 | link_status = msg->body[2] & 0xff; | |
1293 | duplex = (msg->body[2] >> 16) & 0xff; | |
1294 | autoneg = (msg->body[2] >> 24) & 0xff; | |
1295 | ||
1296 | module = (msg->body[2] >> 8) & 0xff; | |
1297 | if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE) | |
1298 | dev_info(&netdev->dev, "unsupported cable: OUI 0x%x, " | |
1299 | "length %d\n", cable_OUI, cable_len); | |
1300 | else if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN) | |
1301 | dev_info(&netdev->dev, "unsupported cable length %d\n", | |
1302 | cable_len); | |
1303 | ||
1304 | qlcnic_advert_link_change(adapter, link_status); | |
1305 | ||
1306 | if (duplex == LINKEVENT_FULL_DUPLEX) | |
1307 | adapter->link_duplex = DUPLEX_FULL; | |
1308 | else | |
1309 | adapter->link_duplex = DUPLEX_HALF; | |
1310 | ||
1311 | adapter->module_type = module; | |
1312 | adapter->link_autoneg = autoneg; | |
1313 | adapter->link_speed = link_speed; | |
1314 | } | |
1315 | ||
1316 | static void | |
1317 | qlcnic_handle_fw_message(int desc_cnt, int index, | |
1318 | struct qlcnic_host_sds_ring *sds_ring) | |
1319 | { | |
1320 | struct qlcnic_fw_msg msg; | |
1321 | struct status_desc *desc; | |
1322 | int i = 0, opcode; | |
1323 | ||
1324 | while (desc_cnt > 0 && i < 8) { | |
1325 | desc = &sds_ring->desc_head[index]; | |
1326 | msg.words[i++] = le64_to_cpu(desc->status_desc_data[0]); | |
1327 | msg.words[i++] = le64_to_cpu(desc->status_desc_data[1]); | |
1328 | ||
1329 | index = get_next_index(index, sds_ring->num_desc); | |
1330 | desc_cnt--; | |
1331 | } | |
1332 | ||
1333 | opcode = qlcnic_get_nic_msg_opcode(msg.body[0]); | |
1334 | switch (opcode) { | |
1335 | case QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE: | |
1336 | qlcnic_handle_linkevent(sds_ring->adapter, &msg); | |
1337 | break; | |
1338 | default: | |
1339 | break; | |
1340 | } | |
1341 | } | |
1342 | ||
1343 | static int | |
1344 | qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter, | |
1345 | struct qlcnic_host_rds_ring *rds_ring, | |
1346 | struct qlcnic_rx_buffer *buffer) | |
1347 | { | |
1348 | struct sk_buff *skb; | |
1349 | dma_addr_t dma; | |
1350 | struct pci_dev *pdev = adapter->pdev; | |
1351 | ||
96659828 AKS |
1352 | skb = dev_alloc_skb(rds_ring->skb_size); |
1353 | if (!skb) { | |
8bfe8b91 | 1354 | adapter->stats.skb_alloc_failure++; |
af19b491 | 1355 | return -ENOMEM; |
8bfe8b91 | 1356 | } |
af19b491 | 1357 | |
04746ff1 | 1358 | skb_reserve(skb, NET_IP_ALIGN); |
af19b491 AKS |
1359 | |
1360 | dma = pci_map_single(pdev, skb->data, | |
1361 | rds_ring->dma_size, PCI_DMA_FROMDEVICE); | |
1362 | ||
1363 | if (pci_dma_mapping_error(pdev, dma)) { | |
8ae6df97 | 1364 | adapter->stats.rx_dma_map_error++; |
af19b491 | 1365 | dev_kfree_skb_any(skb); |
af19b491 AKS |
1366 | return -ENOMEM; |
1367 | } | |
1368 | ||
1369 | buffer->skb = skb; | |
1370 | buffer->dma = dma; | |
af19b491 AKS |
1371 | |
1372 | return 0; | |
1373 | } | |
1374 | ||
1375 | static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *adapter, | |
1376 | struct qlcnic_host_rds_ring *rds_ring, u16 index, u16 cksum) | |
1377 | { | |
1378 | struct qlcnic_rx_buffer *buffer; | |
1379 | struct sk_buff *skb; | |
1380 | ||
1381 | buffer = &rds_ring->rx_buf_arr[index]; | |
1382 | ||
96659828 AKS |
1383 | if (unlikely(buffer->skb == NULL)) { |
1384 | WARN_ON(1); | |
1385 | return NULL; | |
1386 | } | |
1387 | ||
af19b491 AKS |
1388 | pci_unmap_single(adapter->pdev, buffer->dma, rds_ring->dma_size, |
1389 | PCI_DMA_FROMDEVICE); | |
1390 | ||
1391 | skb = buffer->skb; | |
af19b491 | 1392 | |
135d84a9 MM |
1393 | if (likely((adapter->netdev->features & NETIF_F_RXCSUM) && |
1394 | (cksum == STATUS_CKSUM_OK || cksum == STATUS_CKSUM_LOOP))) { | |
af19b491 AKS |
1395 | adapter->stats.csummed++; |
1396 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
1397 | } else { | |
bc8acf2c | 1398 | skb_checksum_none_assert(skb); |
af19b491 AKS |
1399 | } |
1400 | ||
1401 | skb->dev = adapter->netdev; | |
1402 | ||
1403 | buffer->skb = NULL; | |
96659828 | 1404 | |
af19b491 AKS |
1405 | return skb; |
1406 | } | |
1407 | ||
b1fc6d3c | 1408 | static inline int |
d5790663 AKS |
1409 | qlcnic_check_rx_tagging(struct qlcnic_adapter *adapter, struct sk_buff *skb, |
1410 | u16 *vlan_tag) | |
8cf61f89 | 1411 | { |
8cf61f89 AKS |
1412 | struct ethhdr *eth_hdr; |
1413 | ||
d5790663 AKS |
1414 | if (!__vlan_get_tag(skb, vlan_tag)) { |
1415 | eth_hdr = (struct ethhdr *) skb->data; | |
1416 | memmove(skb->data + VLAN_HLEN, eth_hdr, ETH_ALEN * 2); | |
1417 | skb_pull(skb, VLAN_HLEN); | |
1418 | } | |
1419 | if (!adapter->pvid) | |
1420 | return 0; | |
1421 | ||
1422 | if (*vlan_tag == adapter->pvid) { | |
1423 | /* Outer vlan tag. Packet should follow non-vlan path */ | |
1424 | *vlan_tag = 0xffff; | |
1425 | return 0; | |
8cf61f89 AKS |
1426 | } |
1427 | if (adapter->flags & QLCNIC_TAGGING_ENABLED) | |
1428 | return 0; | |
1429 | ||
d5790663 | 1430 | return -EINVAL; |
8cf61f89 AKS |
1431 | } |
1432 | ||
af19b491 AKS |
1433 | static struct qlcnic_rx_buffer * |
1434 | qlcnic_process_rcv(struct qlcnic_adapter *adapter, | |
1435 | struct qlcnic_host_sds_ring *sds_ring, | |
1436 | int ring, u64 sts_data0) | |
1437 | { | |
1438 | struct net_device *netdev = adapter->netdev; | |
b1fc6d3c | 1439 | struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
af19b491 AKS |
1440 | struct qlcnic_rx_buffer *buffer; |
1441 | struct sk_buff *skb; | |
1442 | struct qlcnic_host_rds_ring *rds_ring; | |
1443 | int index, length, cksum, pkt_offset; | |
d5790663 | 1444 | u16 vid = 0xffff; |
af19b491 AKS |
1445 | |
1446 | if (unlikely(ring >= adapter->max_rds_rings)) | |
1447 | return NULL; | |
1448 | ||
1449 | rds_ring = &recv_ctx->rds_rings[ring]; | |
1450 | ||
1451 | index = qlcnic_get_sts_refhandle(sts_data0); | |
1452 | if (unlikely(index >= rds_ring->num_desc)) | |
1453 | return NULL; | |
1454 | ||
1455 | buffer = &rds_ring->rx_buf_arr[index]; | |
1456 | ||
1457 | length = qlcnic_get_sts_totallength(sts_data0); | |
1458 | cksum = qlcnic_get_sts_status(sts_data0); | |
1459 | pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0); | |
1460 | ||
1461 | skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum); | |
1462 | if (!skb) | |
1463 | return buffer; | |
1464 | ||
1465 | if (length > rds_ring->skb_size) | |
1466 | skb_put(skb, rds_ring->skb_size); | |
1467 | else | |
1468 | skb_put(skb, length); | |
1469 | ||
1470 | if (pkt_offset) | |
1471 | skb_pull(skb, pkt_offset); | |
1472 | ||
d5790663 AKS |
1473 | if (unlikely(qlcnic_check_rx_tagging(adapter, skb, &vid))) { |
1474 | adapter->stats.rxdropped++; | |
1475 | dev_kfree_skb(skb); | |
1476 | return buffer; | |
8cf61f89 AKS |
1477 | } |
1478 | ||
af19b491 AKS |
1479 | skb->protocol = eth_type_trans(skb, netdev); |
1480 | ||
b9796a14 AC |
1481 | if (vid != 0xffff) |
1482 | __vlan_hwaccel_put_tag(skb, vid); | |
1483 | ||
1484 | napi_gro_receive(&sds_ring->napi, skb); | |
af19b491 AKS |
1485 | |
1486 | adapter->stats.rx_pkts++; | |
1487 | adapter->stats.rxbytes += length; | |
1488 | ||
1489 | return buffer; | |
1490 | } | |
1491 | ||
1492 | #define QLC_TCP_HDR_SIZE 20 | |
1493 | #define QLC_TCP_TS_OPTION_SIZE 12 | |
1494 | #define QLC_TCP_TS_HDR_SIZE (QLC_TCP_HDR_SIZE + QLC_TCP_TS_OPTION_SIZE) | |
1495 | ||
1496 | static struct qlcnic_rx_buffer * | |
1497 | qlcnic_process_lro(struct qlcnic_adapter *adapter, | |
1498 | struct qlcnic_host_sds_ring *sds_ring, | |
1499 | int ring, u64 sts_data0, u64 sts_data1) | |
1500 | { | |
1501 | struct net_device *netdev = adapter->netdev; | |
b1fc6d3c | 1502 | struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
af19b491 AKS |
1503 | struct qlcnic_rx_buffer *buffer; |
1504 | struct sk_buff *skb; | |
1505 | struct qlcnic_host_rds_ring *rds_ring; | |
1506 | struct iphdr *iph; | |
1507 | struct tcphdr *th; | |
1508 | bool push, timestamp; | |
1509 | int l2_hdr_offset, l4_hdr_offset; | |
1510 | int index; | |
1511 | u16 lro_length, length, data_offset; | |
1512 | u32 seq_number; | |
d5790663 | 1513 | u16 vid = 0xffff; |
af19b491 AKS |
1514 | |
1515 | if (unlikely(ring > adapter->max_rds_rings)) | |
1516 | return NULL; | |
1517 | ||
1518 | rds_ring = &recv_ctx->rds_rings[ring]; | |
1519 | ||
1520 | index = qlcnic_get_lro_sts_refhandle(sts_data0); | |
1521 | if (unlikely(index > rds_ring->num_desc)) | |
1522 | return NULL; | |
1523 | ||
1524 | buffer = &rds_ring->rx_buf_arr[index]; | |
1525 | ||
1526 | timestamp = qlcnic_get_lro_sts_timestamp(sts_data0); | |
1527 | lro_length = qlcnic_get_lro_sts_length(sts_data0); | |
1528 | l2_hdr_offset = qlcnic_get_lro_sts_l2_hdr_offset(sts_data0); | |
1529 | l4_hdr_offset = qlcnic_get_lro_sts_l4_hdr_offset(sts_data0); | |
1530 | push = qlcnic_get_lro_sts_push_flag(sts_data0); | |
1531 | seq_number = qlcnic_get_lro_sts_seq_number(sts_data1); | |
1532 | ||
1533 | skb = qlcnic_process_rxbuf(adapter, rds_ring, index, STATUS_CKSUM_OK); | |
1534 | if (!skb) | |
1535 | return buffer; | |
1536 | ||
1537 | if (timestamp) | |
1538 | data_offset = l4_hdr_offset + QLC_TCP_TS_HDR_SIZE; | |
1539 | else | |
1540 | data_offset = l4_hdr_offset + QLC_TCP_HDR_SIZE; | |
1541 | ||
1542 | skb_put(skb, lro_length + data_offset); | |
1543 | ||
af19b491 | 1544 | skb_pull(skb, l2_hdr_offset); |
8cf61f89 | 1545 | |
d5790663 AKS |
1546 | if (unlikely(qlcnic_check_rx_tagging(adapter, skb, &vid))) { |
1547 | adapter->stats.rxdropped++; | |
1548 | dev_kfree_skb(skb); | |
1549 | return buffer; | |
8cf61f89 | 1550 | } |
d5790663 | 1551 | |
af19b491 AKS |
1552 | skb->protocol = eth_type_trans(skb, netdev); |
1553 | ||
1554 | iph = (struct iphdr *)skb->data; | |
1555 | th = (struct tcphdr *)(skb->data + (iph->ihl << 2)); | |
1556 | ||
1557 | length = (iph->ihl << 2) + (th->doff << 2) + lro_length; | |
1558 | iph->tot_len = htons(length); | |
1559 | iph->check = 0; | |
1560 | iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl); | |
1561 | th->psh = push; | |
1562 | th->seq = htonl(seq_number); | |
1563 | ||
1564 | length = skb->len; | |
1565 | ||
b9796a14 AC |
1566 | if (vid != 0xffff) |
1567 | __vlan_hwaccel_put_tag(skb, vid); | |
1568 | netif_receive_skb(skb); | |
af19b491 AKS |
1569 | |
1570 | adapter->stats.lro_pkts++; | |
8bfe8b91 | 1571 | adapter->stats.lrobytes += length; |
af19b491 AKS |
1572 | |
1573 | return buffer; | |
1574 | } | |
1575 | ||
1576 | int | |
1577 | qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max) | |
1578 | { | |
1579 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
1580 | struct list_head *cur; | |
1581 | struct status_desc *desc; | |
1582 | struct qlcnic_rx_buffer *rxbuf; | |
1583 | u64 sts_data0, sts_data1; | |
1584 | ||
1585 | int count = 0; | |
1586 | int opcode, ring, desc_cnt; | |
1587 | u32 consumer = sds_ring->consumer; | |
1588 | ||
1589 | while (count < max) { | |
1590 | desc = &sds_ring->desc_head[consumer]; | |
1591 | sts_data0 = le64_to_cpu(desc->status_desc_data[0]); | |
1592 | ||
1593 | if (!(sts_data0 & STATUS_OWNER_HOST)) | |
1594 | break; | |
1595 | ||
1596 | desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0); | |
1597 | opcode = qlcnic_get_sts_opcode(sts_data0); | |
1598 | ||
1599 | switch (opcode) { | |
1600 | case QLCNIC_RXPKT_DESC: | |
1601 | case QLCNIC_OLD_RXPKT_DESC: | |
1602 | case QLCNIC_SYN_OFFLOAD: | |
1603 | ring = qlcnic_get_sts_type(sts_data0); | |
1604 | rxbuf = qlcnic_process_rcv(adapter, sds_ring, | |
1605 | ring, sts_data0); | |
1606 | break; | |
1607 | case QLCNIC_LRO_DESC: | |
1608 | ring = qlcnic_get_lro_sts_type(sts_data0); | |
1609 | sts_data1 = le64_to_cpu(desc->status_desc_data[1]); | |
1610 | rxbuf = qlcnic_process_lro(adapter, sds_ring, | |
1611 | ring, sts_data0, sts_data1); | |
1612 | break; | |
1613 | case QLCNIC_RESPONSE_DESC: | |
1614 | qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring); | |
1615 | default: | |
1616 | goto skip; | |
1617 | } | |
1618 | ||
1619 | WARN_ON(desc_cnt > 1); | |
1620 | ||
96659828 | 1621 | if (likely(rxbuf)) |
af19b491 | 1622 | list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]); |
8ae6df97 AKS |
1623 | else |
1624 | adapter->stats.null_rxbuf++; | |
af19b491 AKS |
1625 | |
1626 | skip: | |
1627 | for (; desc_cnt > 0; desc_cnt--) { | |
1628 | desc = &sds_ring->desc_head[consumer]; | |
1629 | desc->status_desc_data[0] = | |
1630 | cpu_to_le64(STATUS_OWNER_PHANTOM); | |
1631 | consumer = get_next_index(consumer, sds_ring->num_desc); | |
1632 | } | |
1633 | count++; | |
1634 | } | |
1635 | ||
1636 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
1637 | struct qlcnic_host_rds_ring *rds_ring = | |
b1fc6d3c | 1638 | &adapter->recv_ctx->rds_rings[ring]; |
af19b491 AKS |
1639 | |
1640 | if (!list_empty(&sds_ring->free_list[ring])) { | |
1641 | list_for_each(cur, &sds_ring->free_list[ring]) { | |
1642 | rxbuf = list_entry(cur, | |
1643 | struct qlcnic_rx_buffer, list); | |
1644 | qlcnic_alloc_rx_skb(adapter, rds_ring, rxbuf); | |
1645 | } | |
1646 | spin_lock(&rds_ring->lock); | |
1647 | list_splice_tail_init(&sds_ring->free_list[ring], | |
1648 | &rds_ring->free_list); | |
1649 | spin_unlock(&rds_ring->lock); | |
1650 | } | |
1651 | ||
1652 | qlcnic_post_rx_buffers_nodb(adapter, rds_ring); | |
1653 | } | |
1654 | ||
1655 | if (count) { | |
1656 | sds_ring->consumer = consumer; | |
1657 | writel(consumer, sds_ring->crb_sts_consumer); | |
1658 | } | |
1659 | ||
1660 | return count; | |
1661 | } | |
1662 | ||
1663 | void | |
b1fc6d3c | 1664 | qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, |
af19b491 AKS |
1665 | struct qlcnic_host_rds_ring *rds_ring) |
1666 | { | |
1667 | struct rcv_desc *pdesc; | |
1668 | struct qlcnic_rx_buffer *buffer; | |
b1fc6d3c AC |
1669 | int count = 0; |
1670 | u32 producer; | |
af19b491 AKS |
1671 | struct list_head *head; |
1672 | ||
1673 | producer = rds_ring->producer; | |
1674 | ||
af19b491 AKS |
1675 | head = &rds_ring->free_list; |
1676 | while (!list_empty(head)) { | |
1677 | ||
1678 | buffer = list_entry(head->next, struct qlcnic_rx_buffer, list); | |
1679 | ||
1680 | if (!buffer->skb) { | |
1681 | if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer)) | |
1682 | break; | |
1683 | } | |
1684 | ||
1685 | count++; | |
1686 | list_del(&buffer->list); | |
1687 | ||
1688 | /* make a rcv descriptor */ | |
1689 | pdesc = &rds_ring->desc_head[producer]; | |
1690 | pdesc->addr_buffer = cpu_to_le64(buffer->dma); | |
1691 | pdesc->reference_handle = cpu_to_le16(buffer->ref_handle); | |
1692 | pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size); | |
1693 | ||
1694 | producer = get_next_index(producer, rds_ring->num_desc); | |
1695 | } | |
af19b491 AKS |
1696 | |
1697 | if (count) { | |
1698 | rds_ring->producer = producer; | |
1699 | writel((producer-1) & (rds_ring->num_desc-1), | |
1700 | rds_ring->crb_rcv_producer); | |
1701 | } | |
1702 | } | |
1703 | ||
1704 | static void | |
1705 | qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter, | |
1706 | struct qlcnic_host_rds_ring *rds_ring) | |
1707 | { | |
1708 | struct rcv_desc *pdesc; | |
1709 | struct qlcnic_rx_buffer *buffer; | |
b1fc6d3c AC |
1710 | int count = 0; |
1711 | uint32_t producer; | |
af19b491 AKS |
1712 | struct list_head *head; |
1713 | ||
af19b491 AKS |
1714 | if (!spin_trylock(&rds_ring->lock)) |
1715 | return; | |
1716 | ||
ed6f1353 AKS |
1717 | producer = rds_ring->producer; |
1718 | ||
af19b491 AKS |
1719 | head = &rds_ring->free_list; |
1720 | while (!list_empty(head)) { | |
1721 | ||
1722 | buffer = list_entry(head->next, struct qlcnic_rx_buffer, list); | |
1723 | ||
1724 | if (!buffer->skb) { | |
1725 | if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer)) | |
1726 | break; | |
1727 | } | |
1728 | ||
1729 | count++; | |
1730 | list_del(&buffer->list); | |
1731 | ||
1732 | /* make a rcv descriptor */ | |
1733 | pdesc = &rds_ring->desc_head[producer]; | |
1734 | pdesc->reference_handle = cpu_to_le16(buffer->ref_handle); | |
1735 | pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size); | |
1736 | pdesc->addr_buffer = cpu_to_le64(buffer->dma); | |
1737 | ||
1738 | producer = get_next_index(producer, rds_ring->num_desc); | |
1739 | } | |
1740 | ||
1741 | if (count) { | |
1742 | rds_ring->producer = producer; | |
1743 | writel((producer - 1) & (rds_ring->num_desc - 1), | |
1744 | rds_ring->crb_rcv_producer); | |
1745 | } | |
1746 | spin_unlock(&rds_ring->lock); | |
1747 | } | |
1748 | ||
2e9d722d AC |
1749 | void |
1750 | qlcnic_fetch_mac(struct qlcnic_adapter *adapter, u32 off1, u32 off2, | |
1751 | u8 alt_mac, u8 *mac) | |
1752 | { | |
1753 | u32 mac_low, mac_high; | |
1754 | int i; | |
1755 | ||
1756 | mac_low = QLCRD32(adapter, off1); | |
1757 | mac_high = QLCRD32(adapter, off2); | |
1758 | ||
1759 | if (alt_mac) { | |
1760 | mac_low |= (mac_low >> 16) | (mac_high << 16); | |
1761 | mac_high >>= 16; | |
1762 | } | |
1763 | ||
1764 | for (i = 0; i < 2; i++) | |
1765 | mac[i] = (u8)(mac_high >> ((1 - i) * 8)); | |
1766 | for (i = 2; i < 6; i++) | |
1767 | mac[i] = (u8)(mac_low >> ((5 - i) * 8)); | |
1768 | } |