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f21fb3ed | 1 | /********************************************************************** |
50579d3d RV |
2 | * Author: Cavium, Inc. |
3 | * | |
4 | * Contact: support@cavium.com | |
5 | * Please include "LiquidIO" in the subject. | |
6 | * | |
7 | * Copyright (c) 2003-2016 Cavium, Inc. | |
8 | * | |
9 | * This file is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License, Version 2, as | |
11 | * published by the Free Software Foundation. | |
12 | * | |
13 | * This file is distributed in the hope that it will be useful, but | |
14 | * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty | |
15 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or | |
16 | * NONINFRINGEMENT. See the GNU General Public License for more details. | |
17 | ***********************************************************************/ | |
e3bfc6e7 | 18 | #include <linux/module.h> |
282ccf6e | 19 | #include <linux/interrupt.h> |
f21fb3ed | 20 | #include <linux/pci.h> |
f21fb3ed | 21 | #include <linux/firmware.h> |
01fb237a | 22 | #include <net/vxlan.h> |
9ff1a9ba | 23 | #include <linux/kthread.h> |
f21fb3ed RV |
24 | #include "liquidio_common.h" |
25 | #include "octeon_droq.h" | |
26 | #include "octeon_iq.h" | |
27 | #include "response_manager.h" | |
28 | #include "octeon_device.h" | |
29 | #include "octeon_nic.h" | |
30 | #include "octeon_main.h" | |
31 | #include "octeon_network.h" | |
32 | #include "cn66xx_regs.h" | |
33 | #include "cn66xx_device.h" | |
f21fb3ed | 34 | #include "cn68xx_device.h" |
72c00912 | 35 | #include "cn23xx_pf_device.h" |
f21fb3ed | 36 | #include "liquidio_image.h" |
d4be8ebe | 37 | #include "lio_vf_rep.h" |
f21fb3ed RV |
38 | |
39 | MODULE_AUTHOR("Cavium Networks, <support@cavium.com>"); | |
40 | MODULE_DESCRIPTION("Cavium LiquidIO Intelligent Server Adapter Driver"); | |
41 | MODULE_LICENSE("GPL"); | |
42 | MODULE_VERSION(LIQUIDIO_VERSION); | |
ea6404c8 DC |
43 | MODULE_FIRMWARE(LIO_FW_DIR LIO_FW_BASE_NAME LIO_210SV_NAME |
44 | "_" LIO_FW_NAME_TYPE_NIC LIO_FW_NAME_SUFFIX); | |
45 | MODULE_FIRMWARE(LIO_FW_DIR LIO_FW_BASE_NAME LIO_210NV_NAME | |
46 | "_" LIO_FW_NAME_TYPE_NIC LIO_FW_NAME_SUFFIX); | |
47 | MODULE_FIRMWARE(LIO_FW_DIR LIO_FW_BASE_NAME LIO_410NV_NAME | |
48 | "_" LIO_FW_NAME_TYPE_NIC LIO_FW_NAME_SUFFIX); | |
49 | MODULE_FIRMWARE(LIO_FW_DIR LIO_FW_BASE_NAME LIO_23XX_NAME | |
50 | "_" LIO_FW_NAME_TYPE_NIC LIO_FW_NAME_SUFFIX); | |
f21fb3ed RV |
51 | |
52 | static int ddr_timeout = 10000; | |
53 | module_param(ddr_timeout, int, 0644); | |
54 | MODULE_PARM_DESC(ddr_timeout, | |
55 | "Number of milliseconds to wait for DDR initialization. 0 waits for ddr_timeout to be set to non-zero value before starting to check"); | |
56 | ||
f21fb3ed RV |
57 | #define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) |
58 | ||
59 | static int debug = -1; | |
60 | module_param(debug, int, 0644); | |
61 | MODULE_PARM_DESC(debug, "NETIF_MSG debug bits"); | |
62 | ||
088b8749 | 63 | static char fw_type[LIO_MAX_FW_TYPE_LEN] = LIO_FW_NAME_TYPE_AUTO; |
d396179c | 64 | module_param_string(fw_type, fw_type, sizeof(fw_type), 0444); |
088b8749 | 65 | MODULE_PARM_DESC(fw_type, "Type of firmware to be loaded (default is \"auto\"), which uses firmware in flash, if present, else loads \"nic\"."); |
f21fb3ed | 66 | |
2470f3a2 IB |
67 | static u32 console_bitmask; |
68 | module_param(console_bitmask, int, 0644); | |
69 | MODULE_PARM_DESC(console_bitmask, | |
70 | "Bitmask indicating which consoles have debug output redirected to syslog."); | |
71 | ||
72 | /** | |
73 | * \brief determines if a given console has debug enabled. | |
74 | * @param console console to check | |
75 | * @returns 1 = enabled. 0 otherwise | |
76 | */ | |
da1542b0 | 77 | static int octeon_console_debug_enabled(u32 console) |
2470f3a2 IB |
78 | { |
79 | return (console_bitmask >> (console)) & 0x1; | |
80 | } | |
81 | ||
f21fb3ed RV |
82 | /* Polling interval for determining when NIC application is alive */ |
83 | #define LIQUIDIO_STARTER_POLL_INTERVAL_MS 100 | |
84 | ||
85 | /* runtime link query interval */ | |
86 | #define LIQUIDIO_LINK_QUERY_INTERVAL_MS 1000 | |
907aaa6b VB |
87 | /* update localtime to octeon firmware every 60 seconds. |
88 | * make firmware to use same time reference, so that it will be easy to | |
89 | * correlate firmware logged events/errors with host events, for debugging. | |
90 | */ | |
91 | #define LIO_SYNC_OCTEON_TIME_INTERVAL_MS 60000 | |
f21fb3ed | 92 | |
7481a857 NMG |
93 | /* time to wait for possible in-flight requests in milliseconds */ |
94 | #define WAIT_INFLIGHT_REQUEST msecs_to_jiffies(1000) | |
95 | ||
f2d254fa IB |
96 | struct lio_trusted_vf_ctx { |
97 | struct completion complete; | |
98 | int status; | |
99 | }; | |
100 | ||
f21fb3ed RV |
101 | struct oct_link_status_resp { |
102 | u64 rh; | |
103 | struct oct_link_info link_info; | |
104 | u64 status; | |
105 | }; | |
106 | ||
107 | struct oct_timestamp_resp { | |
108 | u64 rh; | |
109 | u64 timestamp; | |
110 | u64 status; | |
111 | }; | |
112 | ||
113 | #define OCT_TIMESTAMP_RESP_SIZE (sizeof(struct oct_timestamp_resp)) | |
114 | ||
115 | union tx_info { | |
116 | u64 u64; | |
117 | struct { | |
118 | #ifdef __BIG_ENDIAN_BITFIELD | |
119 | u16 gso_size; | |
120 | u16 gso_segs; | |
121 | u32 reserved; | |
122 | #else | |
123 | u32 reserved; | |
124 | u16 gso_segs; | |
125 | u16 gso_size; | |
126 | #endif | |
127 | } s; | |
128 | }; | |
129 | ||
130 | /** Octeon device properties to be used by the NIC module. | |
131 | * Each octeon device in the system will be represented | |
132 | * by this structure in the NIC module. | |
133 | */ | |
134 | ||
f21fb3ed | 135 | #define OCTNIC_GSO_MAX_HEADER_SIZE 128 |
72c00912 RV |
136 | #define OCTNIC_GSO_MAX_SIZE \ |
137 | (CN23XX_DEFAULT_INPUT_JABBER - OCTNIC_GSO_MAX_HEADER_SIZE) | |
f21fb3ed | 138 | |
f21fb3ed RV |
139 | struct handshake { |
140 | struct completion init; | |
141 | struct completion started; | |
142 | struct pci_dev *pci_dev; | |
143 | int init_ok; | |
144 | int started_ok; | |
145 | }; | |
146 | ||
ca6139ff RV |
147 | #ifdef CONFIG_PCI_IOV |
148 | static int liquidio_enable_sriov(struct pci_dev *dev, int num_vfs); | |
149 | #endif | |
150 | ||
da1542b0 RF |
151 | static int octeon_dbg_console_print(struct octeon_device *oct, u32 console_num, |
152 | char *prefix, char *suffix); | |
153 | ||
f21fb3ed | 154 | static int octeon_device_init(struct octeon_device *); |
32581245 | 155 | static int liquidio_stop(struct net_device *netdev); |
f21fb3ed RV |
156 | static void liquidio_remove(struct pci_dev *pdev); |
157 | static int liquidio_probe(struct pci_dev *pdev, | |
158 | const struct pci_device_id *ent); | |
bb54be58 FM |
159 | static int liquidio_set_vf_link_state(struct net_device *netdev, int vfidx, |
160 | int linkstate); | |
f21fb3ed RV |
161 | |
162 | static struct handshake handshake[MAX_OCTEON_DEVICES]; | |
163 | static struct completion first_stage; | |
164 | ||
5b173cf9 | 165 | static void octeon_droq_bh(unsigned long pdev) |
f21fb3ed RV |
166 | { |
167 | int q_no; | |
168 | int reschedule = 0; | |
169 | struct octeon_device *oct = (struct octeon_device *)pdev; | |
170 | struct octeon_device_priv *oct_priv = | |
171 | (struct octeon_device_priv *)oct->priv; | |
172 | ||
63da8404 | 173 | for (q_no = 0; q_no < MAX_OCTEON_OUTPUT_QUEUES(oct); q_no++) { |
763185a3 | 174 | if (!(oct->io_qmask.oq & BIT_ULL(q_no))) |
f21fb3ed RV |
175 | continue; |
176 | reschedule |= octeon_droq_process_packets(oct, oct->droq[q_no], | |
177 | MAX_PACKET_BUDGET); | |
cd8b1eb4 | 178 | lio_enable_irq(oct->droq[q_no], NULL); |
5b07aee1 RV |
179 | |
180 | if (OCTEON_CN23XX_PF(oct) && oct->msix_on) { | |
181 | /* set time and cnt interrupt thresholds for this DROQ | |
182 | * for NAPI | |
183 | */ | |
184 | int adjusted_q_no = q_no + oct->sriov_info.pf_srn; | |
185 | ||
186 | octeon_write_csr64( | |
187 | oct, CN23XX_SLI_OQ_PKT_INT_LEVELS(adjusted_q_no), | |
188 | 0x5700000040ULL); | |
189 | octeon_write_csr64( | |
190 | oct, CN23XX_SLI_OQ_PKTS_SENT(adjusted_q_no), 0); | |
191 | } | |
f21fb3ed RV |
192 | } |
193 | ||
194 | if (reschedule) | |
195 | tasklet_schedule(&oct_priv->droq_tasklet); | |
196 | } | |
197 | ||
5b173cf9 | 198 | static int lio_wait_for_oq_pkts(struct octeon_device *oct) |
f21fb3ed RV |
199 | { |
200 | struct octeon_device_priv *oct_priv = | |
201 | (struct octeon_device_priv *)oct->priv; | |
202 | int retry = 100, pkt_cnt = 0, pending_pkts = 0; | |
203 | int i; | |
204 | ||
205 | do { | |
206 | pending_pkts = 0; | |
207 | ||
63da8404 | 208 | for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct); i++) { |
763185a3 | 209 | if (!(oct->io_qmask.oq & BIT_ULL(i))) |
f21fb3ed | 210 | continue; |
a7d5a3dc | 211 | pkt_cnt += octeon_droq_check_hw_for_pkts(oct->droq[i]); |
f21fb3ed RV |
212 | } |
213 | if (pkt_cnt > 0) { | |
214 | pending_pkts += pkt_cnt; | |
215 | tasklet_schedule(&oct_priv->droq_tasklet); | |
216 | } | |
217 | pkt_cnt = 0; | |
218 | schedule_timeout_uninterruptible(1); | |
219 | ||
220 | } while (retry-- && pending_pkts); | |
221 | ||
222 | return pkt_cnt; | |
223 | } | |
224 | ||
f21fb3ed RV |
225 | /** |
226 | * \brief Forces all IO queues off on a given device | |
227 | * @param oct Pointer to Octeon device | |
228 | */ | |
229 | static void force_io_queues_off(struct octeon_device *oct) | |
230 | { | |
231 | if ((oct->chip_id == OCTEON_CN66XX) || | |
232 | (oct->chip_id == OCTEON_CN68XX)) { | |
233 | /* Reset the Enable bits for Input Queues. */ | |
234 | octeon_write_csr(oct, CN6XXX_SLI_PKT_INSTR_ENB, 0); | |
235 | ||
236 | /* Reset the Enable bits for Output Queues. */ | |
237 | octeon_write_csr(oct, CN6XXX_SLI_PKT_OUT_ENB, 0); | |
238 | } | |
239 | } | |
240 | ||
f21fb3ed RV |
241 | /** |
242 | * \brief Cause device to go quiet so it can be safely removed/reset/etc | |
243 | * @param oct Pointer to Octeon device | |
244 | */ | |
245 | static inline void pcierror_quiesce_device(struct octeon_device *oct) | |
246 | { | |
247 | int i; | |
248 | ||
249 | /* Disable the input and output queues now. No more packets will | |
250 | * arrive from Octeon, but we should wait for all packet processing | |
251 | * to finish. | |
252 | */ | |
253 | force_io_queues_off(oct); | |
254 | ||
255 | /* To allow for in-flight requests */ | |
7481a857 | 256 | schedule_timeout_uninterruptible(WAIT_INFLIGHT_REQUEST); |
f21fb3ed RV |
257 | |
258 | if (wait_for_pending_requests(oct)) | |
259 | dev_err(&oct->pci_dev->dev, "There were pending requests\n"); | |
260 | ||
261 | /* Force all requests waiting to be fetched by OCTEON to complete. */ | |
63da8404 | 262 | for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct); i++) { |
f21fb3ed RV |
263 | struct octeon_instr_queue *iq; |
264 | ||
763185a3 | 265 | if (!(oct->io_qmask.iq & BIT_ULL(i))) |
f21fb3ed RV |
266 | continue; |
267 | iq = oct->instr_queue[i]; | |
268 | ||
269 | if (atomic_read(&iq->instr_pending)) { | |
270 | spin_lock_bh(&iq->lock); | |
271 | iq->fill_cnt = 0; | |
272 | iq->octeon_read_index = iq->host_write_index; | |
273 | iq->stats.instr_processed += | |
274 | atomic_read(&iq->instr_pending); | |
9a96bde4 | 275 | lio_process_iq_request_list(oct, iq, 0); |
f21fb3ed RV |
276 | spin_unlock_bh(&iq->lock); |
277 | } | |
278 | } | |
279 | ||
280 | /* Force all pending ordered list requests to time out. */ | |
281 | lio_process_ordered_list(oct, 1); | |
282 | ||
283 | /* We do not need to wait for output queue packets to be processed. */ | |
284 | } | |
285 | ||
286 | /** | |
287 | * \brief Cleanup PCI AER uncorrectable error status | |
288 | * @param dev Pointer to PCI device | |
289 | */ | |
290 | static void cleanup_aer_uncorrect_error_status(struct pci_dev *dev) | |
291 | { | |
292 | int pos = 0x100; | |
293 | u32 status, mask; | |
294 | ||
295 | pr_info("%s :\n", __func__); | |
296 | ||
297 | pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, &status); | |
298 | pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER, &mask); | |
299 | if (dev->error_state == pci_channel_io_normal) | |
300 | status &= ~mask; /* Clear corresponding nonfatal bits */ | |
301 | else | |
302 | status &= mask; /* Clear corresponding fatal bits */ | |
303 | pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, status); | |
304 | } | |
305 | ||
306 | /** | |
307 | * \brief Stop all PCI IO to a given device | |
308 | * @param dev Pointer to Octeon device | |
309 | */ | |
310 | static void stop_pci_io(struct octeon_device *oct) | |
311 | { | |
312 | /* No more instructions will be forwarded. */ | |
313 | atomic_set(&oct->status, OCT_DEV_IN_RESET); | |
314 | ||
315 | pci_disable_device(oct->pci_dev); | |
316 | ||
317 | /* Disable interrupts */ | |
5b07aee1 | 318 | oct->fn_list.disable_interrupt(oct, OCTEON_ALL_INTR); |
f21fb3ed RV |
319 | |
320 | pcierror_quiesce_device(oct); | |
321 | ||
322 | /* Release the interrupt line */ | |
323 | free_irq(oct->pci_dev->irq, oct); | |
324 | ||
325 | if (oct->flags & LIO_FLAG_MSI_ENABLED) | |
326 | pci_disable_msi(oct->pci_dev); | |
327 | ||
328 | dev_dbg(&oct->pci_dev->dev, "Device state is now %s\n", | |
329 | lio_get_state_string(&oct->status)); | |
330 | ||
f21fb3ed RV |
331 | /* making it a common function for all OCTEON models */ |
332 | cleanup_aer_uncorrect_error_status(oct->pci_dev); | |
333 | } | |
334 | ||
335 | /** | |
336 | * \brief called when PCI error is detected | |
337 | * @param pdev Pointer to PCI device | |
338 | * @param state The current pci connection state | |
339 | * | |
340 | * This function is called after a PCI bus error affecting | |
341 | * this device has been detected. | |
342 | */ | |
343 | static pci_ers_result_t liquidio_pcie_error_detected(struct pci_dev *pdev, | |
344 | pci_channel_state_t state) | |
345 | { | |
346 | struct octeon_device *oct = pci_get_drvdata(pdev); | |
347 | ||
348 | /* Non-correctable Non-fatal errors */ | |
349 | if (state == pci_channel_io_normal) { | |
350 | dev_err(&oct->pci_dev->dev, "Non-correctable non-fatal error reported:\n"); | |
351 | cleanup_aer_uncorrect_error_status(oct->pci_dev); | |
352 | return PCI_ERS_RESULT_CAN_RECOVER; | |
353 | } | |
354 | ||
355 | /* Non-correctable Fatal errors */ | |
356 | dev_err(&oct->pci_dev->dev, "Non-correctable FATAL reported by PCI AER driver\n"); | |
357 | stop_pci_io(oct); | |
358 | ||
359 | /* Always return a DISCONNECT. There is no support for recovery but only | |
360 | * for a clean shutdown. | |
361 | */ | |
362 | return PCI_ERS_RESULT_DISCONNECT; | |
363 | } | |
364 | ||
365 | /** | |
366 | * \brief mmio handler | |
367 | * @param pdev Pointer to PCI device | |
368 | */ | |
a7d5a3dc RV |
369 | static pci_ers_result_t liquidio_pcie_mmio_enabled( |
370 | struct pci_dev *pdev __attribute__((unused))) | |
f21fb3ed RV |
371 | { |
372 | /* We should never hit this since we never ask for a reset for a Fatal | |
373 | * Error. We always return DISCONNECT in io_error above. | |
374 | * But play safe and return RECOVERED for now. | |
375 | */ | |
376 | return PCI_ERS_RESULT_RECOVERED; | |
377 | } | |
378 | ||
379 | /** | |
380 | * \brief called after the pci bus has been reset. | |
381 | * @param pdev Pointer to PCI device | |
382 | * | |
383 | * Restart the card from scratch, as if from a cold-boot. Implementation | |
384 | * resembles the first-half of the octeon_resume routine. | |
385 | */ | |
a7d5a3dc RV |
386 | static pci_ers_result_t liquidio_pcie_slot_reset( |
387 | struct pci_dev *pdev __attribute__((unused))) | |
f21fb3ed RV |
388 | { |
389 | /* We should never hit this since we never ask for a reset for a Fatal | |
390 | * Error. We always return DISCONNECT in io_error above. | |
391 | * But play safe and return RECOVERED for now. | |
392 | */ | |
393 | return PCI_ERS_RESULT_RECOVERED; | |
394 | } | |
395 | ||
396 | /** | |
397 | * \brief called when traffic can start flowing again. | |
398 | * @param pdev Pointer to PCI device | |
399 | * | |
400 | * This callback is called when the error recovery driver tells us that | |
401 | * its OK to resume normal operation. Implementation resembles the | |
402 | * second-half of the octeon_resume routine. | |
403 | */ | |
a7d5a3dc | 404 | static void liquidio_pcie_resume(struct pci_dev *pdev __attribute__((unused))) |
f21fb3ed RV |
405 | { |
406 | /* Nothing to be done here. */ | |
407 | } | |
408 | ||
409 | #ifdef CONFIG_PM | |
410 | /** | |
411 | * \brief called when suspending | |
412 | * @param pdev Pointer to PCI device | |
413 | * @param state state to suspend to | |
414 | */ | |
a7d5a3dc RV |
415 | static int liquidio_suspend(struct pci_dev *pdev __attribute__((unused)), |
416 | pm_message_t state __attribute__((unused))) | |
f21fb3ed RV |
417 | { |
418 | return 0; | |
419 | } | |
420 | ||
421 | /** | |
422 | * \brief called when resuming | |
423 | * @param pdev Pointer to PCI device | |
424 | */ | |
a7d5a3dc | 425 | static int liquidio_resume(struct pci_dev *pdev __attribute__((unused))) |
f21fb3ed RV |
426 | { |
427 | return 0; | |
428 | } | |
429 | #endif | |
430 | ||
431 | /* For PCI-E Advanced Error Recovery (AER) Interface */ | |
166e2362 | 432 | static const struct pci_error_handlers liquidio_err_handler = { |
f21fb3ed RV |
433 | .error_detected = liquidio_pcie_error_detected, |
434 | .mmio_enabled = liquidio_pcie_mmio_enabled, | |
435 | .slot_reset = liquidio_pcie_slot_reset, | |
436 | .resume = liquidio_pcie_resume, | |
437 | }; | |
438 | ||
439 | static const struct pci_device_id liquidio_pci_tbl[] = { | |
440 | { /* 68xx */ | |
441 | PCI_VENDOR_ID_CAVIUM, 0x91, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 | |
442 | }, | |
443 | { /* 66xx */ | |
444 | PCI_VENDOR_ID_CAVIUM, 0x92, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 | |
445 | }, | |
e86b1ab6 RV |
446 | { /* 23xx pf */ |
447 | PCI_VENDOR_ID_CAVIUM, 0x9702, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 | |
448 | }, | |
f21fb3ed RV |
449 | { |
450 | 0, 0, 0, 0, 0, 0, 0 | |
451 | } | |
452 | }; | |
453 | MODULE_DEVICE_TABLE(pci, liquidio_pci_tbl); | |
454 | ||
455 | static struct pci_driver liquidio_pci_driver = { | |
456 | .name = "LiquidIO", | |
457 | .id_table = liquidio_pci_tbl, | |
458 | .probe = liquidio_probe, | |
459 | .remove = liquidio_remove, | |
460 | .err_handler = &liquidio_err_handler, /* For AER */ | |
461 | ||
462 | #ifdef CONFIG_PM | |
463 | .suspend = liquidio_suspend, | |
464 | .resume = liquidio_resume, | |
465 | #endif | |
ca6139ff RV |
466 | #ifdef CONFIG_PCI_IOV |
467 | .sriov_configure = liquidio_enable_sriov, | |
468 | #endif | |
f21fb3ed RV |
469 | }; |
470 | ||
471 | /** | |
472 | * \brief register PCI driver | |
473 | */ | |
474 | static int liquidio_init_pci(void) | |
475 | { | |
476 | return pci_register_driver(&liquidio_pci_driver); | |
477 | } | |
478 | ||
479 | /** | |
480 | * \brief unregister PCI driver | |
481 | */ | |
482 | static void liquidio_deinit_pci(void) | |
483 | { | |
484 | pci_unregister_driver(&liquidio_pci_driver); | |
485 | } | |
486 | ||
f21fb3ed RV |
487 | /** |
488 | * \brief Check Tx queue status, and take appropriate action | |
489 | * @param lio per-network private data | |
490 | * @returns 0 if full, number of queues woken up otherwise | |
491 | */ | |
492 | static inline int check_txq_status(struct lio *lio) | |
493 | { | |
c33c9973 | 494 | int numqs = lio->netdev->real_num_tx_queues; |
f21fb3ed | 495 | int ret_val = 0; |
2a2fabaf | 496 | int q, iq; |
f21fb3ed | 497 | |
2a2fabaf IB |
498 | /* check each sub-queue state */ |
499 | for (q = 0; q < numqs; q++) { | |
500 | iq = lio->linfo.txpciq[q % | |
501 | lio->oct_dev->num_iqs].s.q_no; | |
502 | if (octnet_iq_is_full(lio->oct_dev, iq)) | |
503 | continue; | |
504 | if (__netif_subqueue_stopped(lio->netdev, q)) { | |
dd69debc | 505 | netif_wake_subqueue(lio->netdev, q); |
2a2fabaf IB |
506 | INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq, |
507 | tx_restart, 1); | |
508 | ret_val++; | |
f21fb3ed | 509 | } |
f21fb3ed | 510 | } |
2a2fabaf | 511 | |
f21fb3ed RV |
512 | return ret_val; |
513 | } | |
514 | ||
f21fb3ed RV |
515 | /** |
516 | * \brief Print link information | |
517 | * @param netdev network device | |
518 | */ | |
519 | static void print_link_info(struct net_device *netdev) | |
520 | { | |
521 | struct lio *lio = GET_LIO(netdev); | |
522 | ||
d18ca7df IB |
523 | if (!ifstate_check(lio, LIO_IFSTATE_RESETTING) && |
524 | ifstate_check(lio, LIO_IFSTATE_REGISTERED)) { | |
f21fb3ed RV |
525 | struct oct_link_info *linfo = &lio->linfo; |
526 | ||
0cece6c5 | 527 | if (linfo->link.s.link_up) { |
f21fb3ed RV |
528 | netif_info(lio, link, lio->netdev, "%d Mbps %s Duplex UP\n", |
529 | linfo->link.s.speed, | |
530 | (linfo->link.s.duplex) ? "Full" : "Half"); | |
531 | } else { | |
532 | netif_info(lio, link, lio->netdev, "Link Down\n"); | |
533 | } | |
534 | } | |
535 | } | |
536 | ||
7b6b6c95 RV |
537 | /** |
538 | * \brief Routine to notify MTU change | |
539 | * @param work work_struct data structure | |
540 | */ | |
541 | static void octnet_link_status_change(struct work_struct *work) | |
542 | { | |
543 | struct cavium_wk *wk = (struct cavium_wk *)work; | |
544 | struct lio *lio = (struct lio *)wk->ctxptr; | |
545 | ||
87a7c4b3 VB |
546 | /* lio->linfo.link.s.mtu always contains max MTU of the lio interface. |
547 | * this API is invoked only when new max-MTU of the interface is | |
548 | * less than current MTU. | |
549 | */ | |
7b6b6c95 | 550 | rtnl_lock(); |
87a7c4b3 | 551 | dev_set_mtu(lio->netdev, lio->linfo.link.s.mtu); |
7b6b6c95 RV |
552 | rtnl_unlock(); |
553 | } | |
554 | ||
555 | /** | |
556 | * \brief Sets up the mtu status change work | |
557 | * @param netdev network device | |
558 | */ | |
559 | static inline int setup_link_status_change_wq(struct net_device *netdev) | |
560 | { | |
561 | struct lio *lio = GET_LIO(netdev); | |
562 | struct octeon_device *oct = lio->oct_dev; | |
563 | ||
564 | lio->link_status_wq.wq = alloc_workqueue("link-status", | |
565 | WQ_MEM_RECLAIM, 0); | |
566 | if (!lio->link_status_wq.wq) { | |
567 | dev_err(&oct->pci_dev->dev, "unable to create cavium link status wq\n"); | |
568 | return -1; | |
569 | } | |
570 | INIT_DELAYED_WORK(&lio->link_status_wq.wk.work, | |
571 | octnet_link_status_change); | |
572 | lio->link_status_wq.wk.ctxptr = lio; | |
573 | ||
574 | return 0; | |
575 | } | |
576 | ||
577 | static inline void cleanup_link_status_change_wq(struct net_device *netdev) | |
578 | { | |
579 | struct lio *lio = GET_LIO(netdev); | |
580 | ||
581 | if (lio->link_status_wq.wq) { | |
582 | cancel_delayed_work_sync(&lio->link_status_wq.wk.work); | |
583 | destroy_workqueue(lio->link_status_wq.wq); | |
584 | } | |
585 | } | |
586 | ||
f21fb3ed RV |
587 | /** |
588 | * \brief Update link status | |
589 | * @param netdev network device | |
590 | * @param ls link status structure | |
591 | * | |
592 | * Called on receipt of a link status response from the core application to | |
593 | * update each interface's link status. | |
594 | */ | |
595 | static inline void update_link_status(struct net_device *netdev, | |
596 | union oct_link_status *ls) | |
597 | { | |
598 | struct lio *lio = GET_LIO(netdev); | |
0cece6c5 | 599 | int changed = (lio->linfo.link.u64 != ls->u64); |
87a7c4b3 VB |
600 | int current_max_mtu = lio->linfo.link.s.mtu; |
601 | struct octeon_device *oct = lio->oct_dev; | |
f21fb3ed | 602 | |
87a7c4b3 VB |
603 | dev_dbg(&oct->pci_dev->dev, "%s: lio->linfo.link.u64=%llx, ls->u64=%llx\n", |
604 | __func__, lio->linfo.link.u64, ls->u64); | |
0cece6c5 | 605 | lio->linfo.link.u64 = ls->u64; |
f21fb3ed | 606 | |
0cece6c5 | 607 | if ((lio->intf_open) && (changed)) { |
f21fb3ed | 608 | print_link_info(netdev); |
0cece6c5 | 609 | lio->link_changes++; |
f21fb3ed | 610 | |
0cece6c5 | 611 | if (lio->linfo.link.s.link_up) { |
87a7c4b3 | 612 | dev_dbg(&oct->pci_dev->dev, "%s: link_up", __func__); |
f21fb3ed | 613 | netif_carrier_on(netdev); |
a96d8ad3 | 614 | wake_txqs(netdev); |
f21fb3ed | 615 | } else { |
87a7c4b3 | 616 | dev_dbg(&oct->pci_dev->dev, "%s: link_off", __func__); |
f21fb3ed | 617 | netif_carrier_off(netdev); |
736b7ea5 | 618 | stop_txqs(netdev); |
f21fb3ed | 619 | } |
87a7c4b3 VB |
620 | if (lio->linfo.link.s.mtu != current_max_mtu) { |
621 | netif_info(lio, probe, lio->netdev, "Max MTU changed from %d to %d\n", | |
622 | current_max_mtu, lio->linfo.link.s.mtu); | |
623 | netdev->max_mtu = lio->linfo.link.s.mtu; | |
624 | } | |
625 | if (lio->linfo.link.s.mtu < netdev->mtu) { | |
626 | dev_warn(&oct->pci_dev->dev, | |
627 | "Current MTU is higher than new max MTU; Reducing the current mtu from %d to %d\n", | |
628 | netdev->mtu, lio->linfo.link.s.mtu); | |
629 | queue_delayed_work(lio->link_status_wq.wq, | |
630 | &lio->link_status_wq.wk.work, 0); | |
631 | } | |
f21fb3ed RV |
632 | } |
633 | } | |
634 | ||
907aaa6b VB |
635 | /** |
636 | * lio_sync_octeon_time - send latest localtime to octeon firmware so that | |
637 | * firmware will correct it's time, in case there is a time skew | |
638 | * | |
639 | * @work: work scheduled to send time update to octeon firmware | |
640 | **/ | |
641 | static void lio_sync_octeon_time(struct work_struct *work) | |
642 | { | |
643 | struct cavium_wk *wk = (struct cavium_wk *)work; | |
644 | struct lio *lio = (struct lio *)wk->ctxptr; | |
645 | struct octeon_device *oct = lio->oct_dev; | |
646 | struct octeon_soft_command *sc; | |
647 | struct timespec64 ts; | |
648 | struct lio_time *lt; | |
649 | int ret; | |
650 | ||
64fecd3e | 651 | sc = octeon_alloc_soft_command(oct, sizeof(struct lio_time), 16, 0); |
907aaa6b VB |
652 | if (!sc) { |
653 | dev_err(&oct->pci_dev->dev, | |
654 | "Failed to sync time to octeon: soft command allocation failed\n"); | |
655 | return; | |
656 | } | |
657 | ||
658 | lt = (struct lio_time *)sc->virtdptr; | |
659 | ||
660 | /* Get time of the day */ | |
44c58899 | 661 | ktime_get_real_ts64(&ts); |
907aaa6b VB |
662 | lt->sec = ts.tv_sec; |
663 | lt->nsec = ts.tv_nsec; | |
664 | octeon_swap_8B_data((u64 *)lt, (sizeof(struct lio_time)) / 8); | |
665 | ||
666 | sc->iq_no = lio->linfo.txpciq[0].s.q_no; | |
667 | octeon_prepare_soft_command(oct, sc, OPCODE_NIC, | |
668 | OPCODE_NIC_SYNC_OCTEON_TIME, 0, 0, 0); | |
669 | ||
64fecd3e FM |
670 | init_completion(&sc->complete); |
671 | sc->sc_status = OCTEON_REQUEST_PENDING; | |
907aaa6b VB |
672 | |
673 | ret = octeon_send_soft_command(oct, sc); | |
674 | if (ret == IQ_SEND_FAILED) { | |
675 | dev_err(&oct->pci_dev->dev, | |
676 | "Failed to sync time to octeon: failed to send soft command\n"); | |
677 | octeon_free_soft_command(oct, sc); | |
64fecd3e FM |
678 | } else { |
679 | WRITE_ONCE(sc->caller_is_done, true); | |
907aaa6b VB |
680 | } |
681 | ||
682 | queue_delayed_work(lio->sync_octeon_time_wq.wq, | |
683 | &lio->sync_octeon_time_wq.wk.work, | |
684 | msecs_to_jiffies(LIO_SYNC_OCTEON_TIME_INTERVAL_MS)); | |
685 | } | |
686 | ||
687 | /** | |
688 | * setup_sync_octeon_time_wq - Sets up the work to periodically update | |
689 | * local time to octeon firmware | |
690 | * | |
691 | * @netdev - network device which should send time update to firmware | |
692 | **/ | |
693 | static inline int setup_sync_octeon_time_wq(struct net_device *netdev) | |
694 | { | |
695 | struct lio *lio = GET_LIO(netdev); | |
696 | struct octeon_device *oct = lio->oct_dev; | |
697 | ||
698 | lio->sync_octeon_time_wq.wq = | |
699 | alloc_workqueue("update-octeon-time", WQ_MEM_RECLAIM, 0); | |
700 | if (!lio->sync_octeon_time_wq.wq) { | |
701 | dev_err(&oct->pci_dev->dev, "Unable to create wq to update octeon time\n"); | |
702 | return -1; | |
703 | } | |
704 | INIT_DELAYED_WORK(&lio->sync_octeon_time_wq.wk.work, | |
705 | lio_sync_octeon_time); | |
706 | lio->sync_octeon_time_wq.wk.ctxptr = lio; | |
707 | queue_delayed_work(lio->sync_octeon_time_wq.wq, | |
708 | &lio->sync_octeon_time_wq.wk.work, | |
709 | msecs_to_jiffies(LIO_SYNC_OCTEON_TIME_INTERVAL_MS)); | |
710 | ||
711 | return 0; | |
712 | } | |
713 | ||
714 | /** | |
715 | * cleanup_sync_octeon_time_wq - stop scheduling and destroy the work created | |
716 | * to periodically update local time to octeon firmware | |
717 | * | |
718 | * @netdev - network device which should send time update to firmware | |
719 | **/ | |
720 | static inline void cleanup_sync_octeon_time_wq(struct net_device *netdev) | |
721 | { | |
722 | struct lio *lio = GET_LIO(netdev); | |
723 | struct cavium_wq *time_wq = &lio->sync_octeon_time_wq; | |
724 | ||
725 | if (time_wq->wq) { | |
726 | cancel_delayed_work_sync(&time_wq->wk.work); | |
727 | destroy_workqueue(time_wq->wq); | |
728 | } | |
729 | } | |
730 | ||
bb54be58 FM |
731 | static struct octeon_device *get_other_octeon_device(struct octeon_device *oct) |
732 | { | |
733 | struct octeon_device *other_oct; | |
734 | ||
735 | other_oct = lio_get_device(oct->octeon_id + 1); | |
736 | ||
737 | if (other_oct && other_oct->pci_dev) { | |
738 | int oct_busnum, other_oct_busnum; | |
739 | ||
740 | oct_busnum = oct->pci_dev->bus->number; | |
741 | other_oct_busnum = other_oct->pci_dev->bus->number; | |
742 | ||
743 | if (oct_busnum == other_oct_busnum) { | |
744 | int oct_slot, other_oct_slot; | |
745 | ||
746 | oct_slot = PCI_SLOT(oct->pci_dev->devfn); | |
747 | other_oct_slot = PCI_SLOT(other_oct->pci_dev->devfn); | |
748 | ||
749 | if (oct_slot == other_oct_slot) | |
750 | return other_oct; | |
751 | } | |
752 | } | |
753 | ||
754 | return NULL; | |
755 | } | |
756 | ||
757 | static void disable_all_vf_links(struct octeon_device *oct) | |
758 | { | |
759 | struct net_device *netdev; | |
760 | int max_vfs, vf, i; | |
761 | ||
762 | if (!oct) | |
763 | return; | |
764 | ||
765 | max_vfs = oct->sriov_info.max_vfs; | |
766 | ||
767 | for (i = 0; i < oct->ifcount; i++) { | |
768 | netdev = oct->props[i].netdev; | |
769 | if (!netdev) | |
770 | continue; | |
771 | ||
772 | for (vf = 0; vf < max_vfs; vf++) | |
773 | liquidio_set_vf_link_state(netdev, vf, | |
774 | IFLA_VF_LINK_STATE_DISABLE); | |
775 | } | |
776 | } | |
777 | ||
9ff1a9ba RV |
778 | static int liquidio_watchdog(void *param) |
779 | { | |
bb54be58 FM |
780 | bool err_msg_was_printed[LIO_MAX_CORES]; |
781 | u16 mask_of_crashed_or_stuck_cores = 0; | |
782 | bool all_vf_links_are_disabled = false; | |
9ff1a9ba | 783 | struct octeon_device *oct = param; |
bb54be58 FM |
784 | struct octeon_device *other_oct; |
785 | #ifdef CONFIG_MODULE_UNLOAD | |
786 | long refcount, vfs_referencing_pf; | |
787 | u64 vfs_mask1, vfs_mask2; | |
788 | #endif | |
789 | int core; | |
9ff1a9ba | 790 | |
bb54be58 | 791 | memset(err_msg_was_printed, 0, sizeof(err_msg_was_printed)); |
9ff1a9ba RV |
792 | |
793 | while (!kthread_should_stop()) { | |
bb54be58 FM |
794 | /* sleep for a couple of seconds so that we don't hog the CPU */ |
795 | set_current_state(TASK_INTERRUPTIBLE); | |
796 | schedule_timeout(msecs_to_jiffies(2000)); | |
797 | ||
798 | mask_of_crashed_or_stuck_cores = | |
9ff1a9ba RV |
799 | (u16)octeon_read_csr64(oct, CN23XX_SLI_SCRATCH2); |
800 | ||
bb54be58 FM |
801 | if (!mask_of_crashed_or_stuck_cores) |
802 | continue; | |
9ff1a9ba | 803 | |
bb54be58 FM |
804 | WRITE_ONCE(oct->cores_crashed, true); |
805 | other_oct = get_other_octeon_device(oct); | |
806 | if (other_oct) | |
807 | WRITE_ONCE(other_oct->cores_crashed, true); | |
9ff1a9ba | 808 | |
bb54be58 FM |
809 | for (core = 0; core < LIO_MAX_CORES; core++) { |
810 | bool core_crashed_or_got_stuck; | |
9ff1a9ba | 811 | |
bb54be58 FM |
812 | core_crashed_or_got_stuck = |
813 | (mask_of_crashed_or_stuck_cores | |
814 | >> core) & 1; | |
815 | ||
816 | if (core_crashed_or_got_stuck && | |
817 | !err_msg_was_printed[core]) { | |
818 | dev_err(&oct->pci_dev->dev, | |
819 | "ERROR: Octeon core %d crashed or got stuck! See oct-fwdump for details.\n", | |
820 | core); | |
886afc1d | 821 | err_msg_was_printed[core] = true; |
9ff1a9ba RV |
822 | } |
823 | } | |
bb54be58 FM |
824 | |
825 | if (all_vf_links_are_disabled) | |
826 | continue; | |
827 | ||
828 | disable_all_vf_links(oct); | |
829 | disable_all_vf_links(other_oct); | |
830 | all_vf_links_are_disabled = true; | |
831 | ||
9ff1a9ba | 832 | #ifdef CONFIG_MODULE_UNLOAD |
bb54be58 FM |
833 | vfs_mask1 = READ_ONCE(oct->sriov_info.vf_drv_loaded_mask); |
834 | vfs_mask2 = READ_ONCE(other_oct->sriov_info.vf_drv_loaded_mask); | |
9ff1a9ba | 835 | |
bb54be58 FM |
836 | vfs_referencing_pf = hweight64(vfs_mask1); |
837 | vfs_referencing_pf += hweight64(vfs_mask2); | |
9ff1a9ba | 838 | |
bb54be58 FM |
839 | refcount = module_refcount(THIS_MODULE); |
840 | if (refcount >= vfs_referencing_pf) { | |
841 | while (vfs_referencing_pf) { | |
9ff1a9ba | 842 | module_put(THIS_MODULE); |
bb54be58 | 843 | vfs_referencing_pf--; |
9ff1a9ba RV |
844 | } |
845 | } | |
846 | #endif | |
9ff1a9ba RV |
847 | } |
848 | ||
849 | return 0; | |
850 | } | |
851 | ||
f21fb3ed RV |
852 | /** |
853 | * \brief PCI probe handler | |
854 | * @param pdev PCI device structure | |
855 | * @param ent unused | |
856 | */ | |
a7d5a3dc RV |
857 | static int |
858 | liquidio_probe(struct pci_dev *pdev, | |
859 | const struct pci_device_id *ent __attribute__((unused))) | |
f21fb3ed RV |
860 | { |
861 | struct octeon_device *oct_dev = NULL; | |
862 | struct handshake *hs; | |
863 | ||
864 | oct_dev = octeon_allocate_device(pdev->device, | |
865 | sizeof(struct octeon_device_priv)); | |
866 | if (!oct_dev) { | |
867 | dev_err(&pdev->dev, "Unable to allocate device\n"); | |
868 | return -ENOMEM; | |
869 | } | |
870 | ||
5b07aee1 RV |
871 | if (pdev->device == OCTEON_CN23XX_PF_VID) |
872 | oct_dev->msix_on = LIO_FLAG_MSIX_ENABLED; | |
873 | ||
aa69ff9e IB |
874 | /* Enable PTP for 6XXX Device */ |
875 | if (((pdev->device == OCTEON_CN66XX) || | |
876 | (pdev->device == OCTEON_CN68XX))) | |
877 | oct_dev->ptp_enable = true; | |
878 | else | |
879 | oct_dev->ptp_enable = false; | |
880 | ||
f21fb3ed RV |
881 | dev_info(&pdev->dev, "Initializing device %x:%x.\n", |
882 | (u32)pdev->vendor, (u32)pdev->device); | |
883 | ||
884 | /* Assign octeon_device for this device to the private data area. */ | |
885 | pci_set_drvdata(pdev, oct_dev); | |
886 | ||
887 | /* set linux specific device pointer */ | |
888 | oct_dev->pci_dev = (void *)pdev; | |
889 | ||
18b338f5 WC |
890 | oct_dev->subsystem_id = pdev->subsystem_vendor | |
891 | (pdev->subsystem_device << 16); | |
892 | ||
f21fb3ed RV |
893 | hs = &handshake[oct_dev->octeon_id]; |
894 | init_completion(&hs->init); | |
895 | init_completion(&hs->started); | |
896 | hs->pci_dev = pdev; | |
897 | ||
898 | if (oct_dev->octeon_id == 0) | |
899 | /* first LiquidIO NIC is detected */ | |
900 | complete(&first_stage); | |
901 | ||
902 | if (octeon_device_init(oct_dev)) { | |
515e752d | 903 | complete(&hs->init); |
f21fb3ed RV |
904 | liquidio_remove(pdev); |
905 | return -ENOMEM; | |
906 | } | |
907 | ||
9ff1a9ba | 908 | if (OCTEON_CN23XX_PF(oct_dev)) { |
9ff1a9ba RV |
909 | u8 bus, device, function; |
910 | ||
392209fa FM |
911 | if (atomic_read(oct_dev->adapter_refcount) == 1) { |
912 | /* Each NIC gets one watchdog kernel thread. The first | |
913 | * PF (of each NIC) that gets pci_driver->probe()'d | |
914 | * creates that thread. | |
9ff1a9ba | 915 | */ |
9ff1a9ba RV |
916 | bus = pdev->bus->number; |
917 | device = PCI_SLOT(pdev->devfn); | |
918 | function = PCI_FUNC(pdev->devfn); | |
919 | oct_dev->watchdog_task = kthread_create( | |
920 | liquidio_watchdog, oct_dev, | |
921 | "liowd/%02hhx:%02hhx.%hhx", bus, device, function); | |
515e752d RV |
922 | if (!IS_ERR(oct_dev->watchdog_task)) { |
923 | wake_up_process(oct_dev->watchdog_task); | |
924 | } else { | |
925 | oct_dev->watchdog_task = NULL; | |
926 | dev_err(&oct_dev->pci_dev->dev, | |
927 | "failed to create kernel_thread\n"); | |
928 | liquidio_remove(pdev); | |
929 | return -1; | |
930 | } | |
9ff1a9ba RV |
931 | } |
932 | } | |
933 | ||
1f164717 RV |
934 | oct_dev->rx_pause = 1; |
935 | oct_dev->tx_pause = 1; | |
936 | ||
f21fb3ed RV |
937 | dev_dbg(&oct_dev->pci_dev->dev, "Device is ready\n"); |
938 | ||
939 | return 0; | |
940 | } | |
941 | ||
088b8749 | 942 | static bool fw_type_is_auto(void) |
7cc61db9 | 943 | { |
088b8749 RF |
944 | return strncmp(fw_type, LIO_FW_NAME_TYPE_AUTO, |
945 | sizeof(LIO_FW_NAME_TYPE_AUTO)) == 0; | |
7cc61db9 FM |
946 | } |
947 | ||
70535350 RF |
948 | /** |
949 | * \brief PCI FLR for each Octeon device. | |
950 | * @param oct octeon device | |
951 | */ | |
952 | static void octeon_pci_flr(struct octeon_device *oct) | |
953 | { | |
954 | int rc; | |
955 | ||
956 | pci_save_state(oct->pci_dev); | |
957 | ||
958 | pci_cfg_access_lock(oct->pci_dev); | |
959 | ||
960 | /* Quiesce the device completely */ | |
961 | pci_write_config_word(oct->pci_dev, PCI_COMMAND, | |
962 | PCI_COMMAND_INTX_DISABLE); | |
963 | ||
964 | rc = __pci_reset_function_locked(oct->pci_dev); | |
965 | ||
966 | if (rc != 0) | |
967 | dev_err(&oct->pci_dev->dev, "Error %d resetting PCI function %d\n", | |
968 | rc, oct->pf_num); | |
969 | ||
970 | pci_cfg_access_unlock(oct->pci_dev); | |
971 | ||
972 | pci_restore_state(oct->pci_dev); | |
973 | } | |
974 | ||
f21fb3ed RV |
975 | /** |
976 | *\brief Destroy resources associated with octeon device | |
977 | * @param pdev PCI device structure | |
978 | * @param ent unused | |
979 | */ | |
980 | static void octeon_destroy_resources(struct octeon_device *oct) | |
981 | { | |
e1e3ce62 | 982 | int i, refcount; |
5b07aee1 | 983 | struct msix_entry *msix_entries; |
f21fb3ed RV |
984 | struct octeon_device_priv *oct_priv = |
985 | (struct octeon_device_priv *)oct->priv; | |
986 | ||
987 | struct handshake *hs; | |
988 | ||
989 | switch (atomic_read(&oct->status)) { | |
990 | case OCT_DEV_RUNNING: | |
991 | case OCT_DEV_CORE_OK: | |
992 | ||
993 | /* No more instructions will be forwarded. */ | |
994 | atomic_set(&oct->status, OCT_DEV_IN_RESET); | |
995 | ||
996 | oct->app_mode = CVM_DRV_INVALID_APP; | |
997 | dev_dbg(&oct->pci_dev->dev, "Device state is now %s\n", | |
998 | lio_get_state_string(&oct->status)); | |
999 | ||
1000 | schedule_timeout_uninterruptible(HZ / 10); | |
1001 | ||
1002 | /* fallthrough */ | |
1003 | case OCT_DEV_HOST_OK: | |
1004 | ||
1005 | /* fallthrough */ | |
1006 | case OCT_DEV_CONSOLE_INIT_DONE: | |
1007 | /* Remove any consoles */ | |
1008 | octeon_remove_consoles(oct); | |
1009 | ||
1010 | /* fallthrough */ | |
1011 | case OCT_DEV_IO_QUEUES_DONE: | |
f21fb3ed RV |
1012 | if (lio_wait_for_instr_fetch(oct)) |
1013 | dev_err(&oct->pci_dev->dev, "IQ had pending instructions\n"); | |
1014 | ||
c9aec052 FM |
1015 | if (wait_for_pending_requests(oct)) |
1016 | dev_err(&oct->pci_dev->dev, "There were pending requests\n"); | |
1017 | ||
f21fb3ed RV |
1018 | /* Disable the input and output queues now. No more packets will |
1019 | * arrive from Octeon, but we should wait for all packet | |
1020 | * processing to finish. | |
1021 | */ | |
1022 | oct->fn_list.disable_io_queues(oct); | |
1023 | ||
1024 | if (lio_wait_for_oq_pkts(oct)) | |
1025 | dev_err(&oct->pci_dev->dev, "OQ had pending packets\n"); | |
1026 | ||
c9aec052 FM |
1027 | /* Force all requests waiting to be fetched by OCTEON to |
1028 | * complete. | |
1029 | */ | |
1030 | for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct); i++) { | |
1031 | struct octeon_instr_queue *iq; | |
1032 | ||
1033 | if (!(oct->io_qmask.iq & BIT_ULL(i))) | |
1034 | continue; | |
1035 | iq = oct->instr_queue[i]; | |
1036 | ||
1037 | if (atomic_read(&iq->instr_pending)) { | |
1038 | spin_lock_bh(&iq->lock); | |
1039 | iq->fill_cnt = 0; | |
1040 | iq->octeon_read_index = iq->host_write_index; | |
1041 | iq->stats.instr_processed += | |
1042 | atomic_read(&iq->instr_pending); | |
1043 | lio_process_iq_request_list(oct, iq, 0); | |
1044 | spin_unlock_bh(&iq->lock); | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | lio_process_ordered_list(oct, 1); | |
1049 | octeon_free_sc_done_list(oct); | |
1050 | octeon_free_sc_zombie_list(oct); | |
1051 | ||
515e752d RV |
1052 | /* fallthrough */ |
1053 | case OCT_DEV_INTR_SET_DONE: | |
f21fb3ed | 1054 | /* Disable interrupts */ |
5b07aee1 RV |
1055 | oct->fn_list.disable_interrupt(oct, OCTEON_ALL_INTR); |
1056 | ||
1057 | if (oct->msix_on) { | |
1058 | msix_entries = (struct msix_entry *)oct->msix_entries; | |
1059 | for (i = 0; i < oct->num_msix_irqs - 1; i++) { | |
a82457f1 IB |
1060 | if (oct->ioq_vector[i].vector) { |
1061 | /* clear the affinity_cpumask */ | |
1062 | irq_set_affinity_hint( | |
1063 | msix_entries[i].vector, | |
1064 | NULL); | |
1065 | free_irq(msix_entries[i].vector, | |
1066 | &oct->ioq_vector[i]); | |
1067 | oct->ioq_vector[i].vector = 0; | |
1068 | } | |
5b07aee1 RV |
1069 | } |
1070 | /* non-iov vector's argument is oct struct */ | |
1071 | free_irq(msix_entries[i].vector, oct); | |
f21fb3ed | 1072 | |
5b07aee1 RV |
1073 | pci_disable_msix(oct->pci_dev); |
1074 | kfree(oct->msix_entries); | |
1075 | oct->msix_entries = NULL; | |
1076 | } else { | |
1077 | /* Release the interrupt line */ | |
1078 | free_irq(oct->pci_dev->irq, oct); | |
f21fb3ed | 1079 | |
5b07aee1 RV |
1080 | if (oct->flags & LIO_FLAG_MSI_ENABLED) |
1081 | pci_disable_msi(oct->pci_dev); | |
1082 | } | |
f21fb3ed | 1083 | |
0c88a761 RF |
1084 | kfree(oct->irq_name_storage); |
1085 | oct->irq_name_storage = NULL; | |
1086 | ||
515e752d RV |
1087 | /* fallthrough */ |
1088 | case OCT_DEV_MSIX_ALLOC_VECTOR_DONE: | |
5b07aee1 RV |
1089 | if (OCTEON_CN23XX_PF(oct)) |
1090 | octeon_free_ioq_vector(oct); | |
5d65556b RV |
1091 | |
1092 | /* fallthrough */ | |
1093 | case OCT_DEV_MBOX_SETUP_DONE: | |
1094 | if (OCTEON_CN23XX_PF(oct)) | |
1095 | oct->fn_list.free_mbox(oct); | |
1096 | ||
5b07aee1 | 1097 | /* fallthrough */ |
f21fb3ed RV |
1098 | case OCT_DEV_IN_RESET: |
1099 | case OCT_DEV_DROQ_INIT_DONE: | |
763185a3 | 1100 | /* Wait for any pending operations */ |
f21fb3ed | 1101 | mdelay(100); |
63da8404 | 1102 | for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct); i++) { |
5b07aee1 | 1103 | if (!(oct->io_qmask.oq & BIT_ULL(i))) |
f21fb3ed RV |
1104 | continue; |
1105 | octeon_delete_droq(oct, i); | |
1106 | } | |
1107 | ||
1108 | /* Force any pending handshakes to complete */ | |
1109 | for (i = 0; i < MAX_OCTEON_DEVICES; i++) { | |
1110 | hs = &handshake[i]; | |
1111 | ||
1112 | if (hs->pci_dev) { | |
1113 | handshake[oct->octeon_id].init_ok = 0; | |
1114 | complete(&handshake[oct->octeon_id].init); | |
1115 | handshake[oct->octeon_id].started_ok = 0; | |
1116 | complete(&handshake[oct->octeon_id].started); | |
1117 | } | |
1118 | } | |
1119 | ||
1120 | /* fallthrough */ | |
1121 | case OCT_DEV_RESP_LIST_INIT_DONE: | |
1122 | octeon_delete_response_list(oct); | |
1123 | ||
f21fb3ed RV |
1124 | /* fallthrough */ |
1125 | case OCT_DEV_INSTR_QUEUE_INIT_DONE: | |
63da8404 | 1126 | for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct); i++) { |
5b823514 | 1127 | if (!(oct->io_qmask.iq & BIT_ULL(i))) |
f21fb3ed RV |
1128 | continue; |
1129 | octeon_delete_instr_queue(oct, i); | |
1130 | } | |
ca6139ff RV |
1131 | #ifdef CONFIG_PCI_IOV |
1132 | if (oct->sriov_info.sriov_enabled) | |
1133 | pci_disable_sriov(oct->pci_dev); | |
1134 | #endif | |
5b823514 RV |
1135 | /* fallthrough */ |
1136 | case OCT_DEV_SC_BUFF_POOL_INIT_DONE: | |
1137 | octeon_free_sc_buffer_pool(oct); | |
f21fb3ed RV |
1138 | |
1139 | /* fallthrough */ | |
1140 | case OCT_DEV_DISPATCH_INIT_DONE: | |
1141 | octeon_delete_dispatch_list(oct); | |
1142 | cancel_delayed_work_sync(&oct->nic_poll_work.work); | |
1143 | ||
1144 | /* fallthrough */ | |
1145 | case OCT_DEV_PCI_MAP_DONE: | |
e1e3ce62 RF |
1146 | refcount = octeon_deregister_device(oct); |
1147 | ||
70535350 RF |
1148 | /* Soft reset the octeon device before exiting. |
1149 | * However, if fw was loaded from card (i.e. autoboot), | |
1150 | * perform an FLR instead. | |
1151 | * Implementation note: only soft-reset the device | |
1152 | * if it is a CN6XXX OR the LAST CN23XX device. | |
1153 | */ | |
088b8749 | 1154 | if (atomic_read(oct->adapter_fw_state) == FW_IS_PRELOADED) |
70535350 RF |
1155 | octeon_pci_flr(oct); |
1156 | else if (OCTEON_CN6XXX(oct) || !refcount) | |
1157 | oct->fn_list.soft_reset(oct); | |
60b48c5a | 1158 | |
f21fb3ed RV |
1159 | octeon_unmap_pci_barx(oct, 0); |
1160 | octeon_unmap_pci_barx(oct, 1); | |
1161 | ||
1162 | /* fallthrough */ | |
515e752d RV |
1163 | case OCT_DEV_PCI_ENABLE_DONE: |
1164 | pci_clear_master(oct->pci_dev); | |
60b48c5a RV |
1165 | /* Disable the device, releasing the PCI INT */ |
1166 | pci_disable_device(oct->pci_dev); | |
1167 | ||
515e752d RV |
1168 | /* fallthrough */ |
1169 | case OCT_DEV_BEGIN_STATE: | |
f21fb3ed RV |
1170 | /* Nothing to be done here either */ |
1171 | break; | |
a2c64b67 | 1172 | } /* end switch (oct->status) */ |
f21fb3ed RV |
1173 | |
1174 | tasklet_kill(&oct_priv->droq_tasklet); | |
1175 | } | |
1176 | ||
1177 | /** | |
1178 | * \brief Send Rx control command | |
1179 | * @param lio per-network private data | |
1180 | * @param start_stop whether to start or stop | |
1181 | */ | |
1182 | static void send_rx_ctrl_cmd(struct lio *lio, int start_stop) | |
1183 | { | |
afdf841f | 1184 | struct octeon_soft_command *sc; |
afdf841f | 1185 | union octnet_cmd *ncmd; |
afdf841f RV |
1186 | struct octeon_device *oct = (struct octeon_device *)lio->oct_dev; |
1187 | int retval; | |
f21fb3ed | 1188 | |
afdf841f RV |
1189 | if (oct->props[lio->ifidx].rx_on == start_stop) |
1190 | return; | |
f21fb3ed | 1191 | |
afdf841f RV |
1192 | sc = (struct octeon_soft_command *) |
1193 | octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE, | |
64fecd3e | 1194 | 16, 0); |
fe543b2f KL |
1195 | if (!sc) { |
1196 | netif_info(lio, rx_err, lio->netdev, | |
1197 | "Failed to allocate octeon_soft_command\n"); | |
1198 | return; | |
1199 | } | |
afdf841f RV |
1200 | |
1201 | ncmd = (union octnet_cmd *)sc->virtdptr; | |
afdf841f RV |
1202 | |
1203 | ncmd->u64 = 0; | |
1204 | ncmd->s.cmd = OCTNET_CMD_RX_CTL; | |
1205 | ncmd->s.param1 = start_stop; | |
1206 | ||
1207 | octeon_swap_8B_data((u64 *)ncmd, (OCTNET_CMD_SIZE >> 3)); | |
1208 | ||
1209 | sc->iq_no = lio->linfo.txpciq[0].s.q_no; | |
1210 | ||
1211 | octeon_prepare_soft_command(oct, sc, OPCODE_NIC, | |
1212 | OPCODE_NIC_CMD, 0, 0, 0); | |
1213 | ||
64fecd3e FM |
1214 | init_completion(&sc->complete); |
1215 | sc->sc_status = OCTEON_REQUEST_PENDING; | |
f21fb3ed | 1216 | |
afdf841f RV |
1217 | retval = octeon_send_soft_command(oct, sc); |
1218 | if (retval == IQ_SEND_FAILED) { | |
f21fb3ed | 1219 | netif_info(lio, rx_err, lio->netdev, "Failed to send RX Control message\n"); |
64fecd3e FM |
1220 | octeon_free_soft_command(oct, sc); |
1221 | return; | |
afdf841f RV |
1222 | } else { |
1223 | /* Sleep on a wait queue till the cond flag indicates that the | |
1224 | * response arrived or timed-out. | |
1225 | */ | |
64fecd3e FM |
1226 | retval = wait_for_sc_completion_timeout(oct, sc, 0); |
1227 | if (retval) | |
afdf841f | 1228 | return; |
64fecd3e | 1229 | |
afdf841f | 1230 | oct->props[lio->ifidx].rx_on = start_stop; |
64fecd3e | 1231 | WRITE_ONCE(sc->caller_is_done, true); |
afdf841f | 1232 | } |
f21fb3ed RV |
1233 | } |
1234 | ||
1235 | /** | |
1236 | * \brief Destroy NIC device interface | |
1237 | * @param oct octeon device | |
1238 | * @param ifidx which interface to destroy | |
1239 | * | |
1240 | * Cleanup associated with each interface for an Octeon device when NIC | |
1241 | * module is being unloaded or if initialization fails during load. | |
1242 | */ | |
1243 | static void liquidio_destroy_nic_device(struct octeon_device *oct, int ifidx) | |
1244 | { | |
1245 | struct net_device *netdev = oct->props[ifidx].netdev; | |
fe2d22b1 IB |
1246 | struct octeon_device_priv *oct_priv = |
1247 | (struct octeon_device_priv *)oct->priv; | |
9a96bde4 | 1248 | struct napi_struct *napi, *n; |
fe2d22b1 | 1249 | struct lio *lio; |
f21fb3ed RV |
1250 | |
1251 | if (!netdev) { | |
1252 | dev_err(&oct->pci_dev->dev, "%s No netdevice ptr for index %d\n", | |
1253 | __func__, ifidx); | |
1254 | return; | |
1255 | } | |
1256 | ||
1257 | lio = GET_LIO(netdev); | |
1258 | ||
1259 | dev_dbg(&oct->pci_dev->dev, "NIC device cleanup\n"); | |
1260 | ||
f21fb3ed | 1261 | if (atomic_read(&lio->ifstate) & LIO_IFSTATE_RUNNING) |
afdf841f | 1262 | liquidio_stop(netdev); |
f21fb3ed | 1263 | |
9a96bde4 RV |
1264 | if (oct->props[lio->ifidx].napi_enabled == 1) { |
1265 | list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list) | |
1266 | napi_disable(napi); | |
1267 | ||
1268 | oct->props[lio->ifidx].napi_enabled = 0; | |
7b6b6c95 RV |
1269 | |
1270 | if (OCTEON_CN23XX_PF(oct)) | |
1271 | oct->droq[0]->ops.poll_mode = 0; | |
9a96bde4 RV |
1272 | } |
1273 | ||
42013e90 IB |
1274 | /* Delete NAPI */ |
1275 | list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list) | |
1276 | netif_napi_del(napi); | |
1277 | ||
fe2d22b1 IB |
1278 | tasklet_enable(&oct_priv->droq_tasklet); |
1279 | ||
f21fb3ed RV |
1280 | if (atomic_read(&lio->ifstate) & LIO_IFSTATE_REGISTERED) |
1281 | unregister_netdev(netdev); | |
1282 | ||
907aaa6b | 1283 | cleanup_sync_octeon_time_wq(netdev); |
7b6b6c95 RV |
1284 | cleanup_link_status_change_wq(netdev); |
1285 | ||
031d4f12 SB |
1286 | cleanup_rx_oom_poll_fn(netdev); |
1287 | ||
fd311f1e | 1288 | lio_delete_glists(lio); |
f21fb3ed RV |
1289 | |
1290 | free_netdev(netdev); | |
1291 | ||
0cece6c5 RV |
1292 | oct->props[ifidx].gmxport = -1; |
1293 | ||
f21fb3ed RV |
1294 | oct->props[ifidx].netdev = NULL; |
1295 | } | |
1296 | ||
1297 | /** | |
1298 | * \brief Stop complete NIC functionality | |
1299 | * @param oct octeon device | |
1300 | */ | |
1301 | static int liquidio_stop_nic_module(struct octeon_device *oct) | |
1302 | { | |
1303 | int i, j; | |
1304 | struct lio *lio; | |
1305 | ||
1306 | dev_dbg(&oct->pci_dev->dev, "Stopping network interfaces\n"); | |
1307 | if (!oct->ifcount) { | |
1308 | dev_err(&oct->pci_dev->dev, "Init for Octeon was not completed\n"); | |
1309 | return 1; | |
1310 | } | |
1311 | ||
60441888 RV |
1312 | spin_lock_bh(&oct->cmd_resp_wqlock); |
1313 | oct->cmd_resp_state = OCT_DRV_OFFLINE; | |
1314 | spin_unlock_bh(&oct->cmd_resp_wqlock); | |
1315 | ||
d4be8ebe VMG |
1316 | lio_vf_rep_destroy(oct); |
1317 | ||
f21fb3ed RV |
1318 | for (i = 0; i < oct->ifcount; i++) { |
1319 | lio = GET_LIO(oct->props[i].netdev); | |
a82457f1 | 1320 | for (j = 0; j < oct->num_oqs; j++) |
26236fa9 RV |
1321 | octeon_unregister_droq_ops(oct, |
1322 | lio->linfo.rxpciq[j].s.q_no); | |
f21fb3ed RV |
1323 | } |
1324 | ||
1325 | for (i = 0; i < oct->ifcount; i++) | |
1326 | liquidio_destroy_nic_device(oct, i); | |
1327 | ||
d4be8ebe VMG |
1328 | if (oct->devlink) { |
1329 | devlink_unregister(oct->devlink); | |
1330 | devlink_free(oct->devlink); | |
1331 | oct->devlink = NULL; | |
1332 | } | |
1333 | ||
f21fb3ed RV |
1334 | dev_dbg(&oct->pci_dev->dev, "Network interfaces stopped\n"); |
1335 | return 0; | |
1336 | } | |
1337 | ||
1338 | /** | |
1339 | * \brief Cleans up resources at unload time | |
1340 | * @param pdev PCI device structure | |
1341 | */ | |
1342 | static void liquidio_remove(struct pci_dev *pdev) | |
1343 | { | |
1344 | struct octeon_device *oct_dev = pci_get_drvdata(pdev); | |
1345 | ||
1346 | dev_dbg(&oct_dev->pci_dev->dev, "Stopping device\n"); | |
1347 | ||
9ff1a9ba RV |
1348 | if (oct_dev->watchdog_task) |
1349 | kthread_stop(oct_dev->watchdog_task); | |
1350 | ||
e20f4696 VMG |
1351 | if (!oct_dev->octeon_id && |
1352 | oct_dev->fw_info.app_cap_flags & LIQUIDIO_SWITCHDEV_CAP) | |
1353 | lio_vf_rep_modexit(); | |
1354 | ||
f21fb3ed RV |
1355 | if (oct_dev->app_mode && (oct_dev->app_mode == CVM_DRV_NIC_APP)) |
1356 | liquidio_stop_nic_module(oct_dev); | |
1357 | ||
1358 | /* Reset the octeon device and cleanup all memory allocated for | |
1359 | * the octeon device by driver. | |
1360 | */ | |
1361 | octeon_destroy_resources(oct_dev); | |
1362 | ||
1363 | dev_info(&oct_dev->pci_dev->dev, "Device removed\n"); | |
1364 | ||
1365 | /* This octeon device has been removed. Update the global | |
1366 | * data structure to reflect this. Free the device structure. | |
1367 | */ | |
1368 | octeon_free_device_mem(oct_dev); | |
1369 | } | |
1370 | ||
1371 | /** | |
1372 | * \brief Identify the Octeon device and to map the BAR address space | |
1373 | * @param oct octeon device | |
1374 | */ | |
1375 | static int octeon_chip_specific_setup(struct octeon_device *oct) | |
1376 | { | |
1377 | u32 dev_id, rev_id; | |
1378 | int ret = 1; | |
d3d7e6c6 | 1379 | char *s; |
f21fb3ed RV |
1380 | |
1381 | pci_read_config_dword(oct->pci_dev, 0, &dev_id); | |
1382 | pci_read_config_dword(oct->pci_dev, 8, &rev_id); | |
1383 | oct->rev_id = rev_id & 0xff; | |
1384 | ||
1385 | switch (dev_id) { | |
1386 | case OCTEON_CN68XX_PCIID: | |
1387 | oct->chip_id = OCTEON_CN68XX; | |
1388 | ret = lio_setup_cn68xx_octeon_device(oct); | |
d3d7e6c6 | 1389 | s = "CN68XX"; |
f21fb3ed RV |
1390 | break; |
1391 | ||
1392 | case OCTEON_CN66XX_PCIID: | |
1393 | oct->chip_id = OCTEON_CN66XX; | |
1394 | ret = lio_setup_cn66xx_octeon_device(oct); | |
d3d7e6c6 | 1395 | s = "CN66XX"; |
f21fb3ed | 1396 | break; |
d3d7e6c6 | 1397 | |
72c00912 RV |
1398 | case OCTEON_CN23XX_PCIID_PF: |
1399 | oct->chip_id = OCTEON_CN23XX_PF_VID; | |
1400 | ret = setup_cn23xx_octeon_pf_device(oct); | |
0c45d7fe RF |
1401 | if (ret) |
1402 | break; | |
cf19a8c3 DC |
1403 | #ifdef CONFIG_PCI_IOV |
1404 | if (!ret) | |
1405 | pci_sriov_set_totalvfs(oct->pci_dev, | |
1406 | oct->sriov_info.max_vfs); | |
1407 | #endif | |
72c00912 RV |
1408 | s = "CN23XX"; |
1409 | break; | |
1410 | ||
f21fb3ed | 1411 | default: |
d3d7e6c6 | 1412 | s = "?"; |
f21fb3ed RV |
1413 | dev_err(&oct->pci_dev->dev, "Unknown device found (dev_id: %x)\n", |
1414 | dev_id); | |
1415 | } | |
1416 | ||
1417 | if (!ret) | |
d3d7e6c6 | 1418 | dev_info(&oct->pci_dev->dev, "%s PASS%d.%d %s Version: %s\n", s, |
f21fb3ed RV |
1419 | OCTEON_MAJOR_REV(oct), |
1420 | OCTEON_MINOR_REV(oct), | |
d3d7e6c6 RV |
1421 | octeon_get_conf(oct)->card_name, |
1422 | LIQUIDIO_VERSION); | |
f21fb3ed RV |
1423 | |
1424 | return ret; | |
1425 | } | |
1426 | ||
1427 | /** | |
1428 | * \brief PCI initialization for each Octeon device. | |
1429 | * @param oct octeon device | |
1430 | */ | |
1431 | static int octeon_pci_os_setup(struct octeon_device *oct) | |
1432 | { | |
1433 | /* setup PCI stuff first */ | |
1434 | if (pci_enable_device(oct->pci_dev)) { | |
1435 | dev_err(&oct->pci_dev->dev, "pci_enable_device failed\n"); | |
1436 | return 1; | |
1437 | } | |
1438 | ||
1439 | if (dma_set_mask_and_coherent(&oct->pci_dev->dev, DMA_BIT_MASK(64))) { | |
1440 | dev_err(&oct->pci_dev->dev, "Unexpected DMA device capability\n"); | |
515e752d | 1441 | pci_disable_device(oct->pci_dev); |
f21fb3ed RV |
1442 | return 1; |
1443 | } | |
1444 | ||
1445 | /* Enable PCI DMA Master. */ | |
1446 | pci_set_master(oct->pci_dev); | |
1447 | ||
1448 | return 0; | |
1449 | } | |
1450 | ||
f21fb3ed RV |
1451 | /** |
1452 | * \brief Unmap and free network buffer | |
1453 | * @param buf buffer | |
1454 | */ | |
1455 | static void free_netbuf(void *buf) | |
1456 | { | |
1457 | struct sk_buff *skb; | |
1458 | struct octnet_buf_free_info *finfo; | |
1459 | struct lio *lio; | |
1460 | ||
1461 | finfo = (struct octnet_buf_free_info *)buf; | |
1462 | skb = finfo->skb; | |
1463 | lio = finfo->lio; | |
1464 | ||
1465 | dma_unmap_single(&lio->oct_dev->pci_dev->dev, finfo->dptr, skb->len, | |
1466 | DMA_TO_DEVICE); | |
1467 | ||
cabeb13b | 1468 | tx_buffer_free(skb); |
f21fb3ed RV |
1469 | } |
1470 | ||
1471 | /** | |
1472 | * \brief Unmap and free gather buffer | |
1473 | * @param buf buffer | |
1474 | */ | |
1475 | static void free_netsgbuf(void *buf) | |
1476 | { | |
1477 | struct octnet_buf_free_info *finfo; | |
1478 | struct sk_buff *skb; | |
1479 | struct lio *lio; | |
1480 | struct octnic_gather *g; | |
fcd2b5e3 | 1481 | int i, frags, iq; |
f21fb3ed RV |
1482 | |
1483 | finfo = (struct octnet_buf_free_info *)buf; | |
1484 | skb = finfo->skb; | |
1485 | lio = finfo->lio; | |
1486 | g = finfo->g; | |
1487 | frags = skb_shinfo(skb)->nr_frags; | |
1488 | ||
1489 | dma_unmap_single(&lio->oct_dev->pci_dev->dev, | |
1490 | g->sg[0].ptr[0], (skb->len - skb->data_len), | |
1491 | DMA_TO_DEVICE); | |
1492 | ||
1493 | i = 1; | |
1494 | while (frags--) { | |
d7840976 | 1495 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1]; |
f21fb3ed RV |
1496 | |
1497 | pci_unmap_page((lio->oct_dev)->pci_dev, | |
1498 | g->sg[(i >> 2)].ptr[(i & 3)], | |
d7840976 | 1499 | skb_frag_size(frag), DMA_TO_DEVICE); |
f21fb3ed RV |
1500 | i++; |
1501 | } | |
1502 | ||
c33c9973 | 1503 | iq = skb_iq(lio->oct_dev, skb); |
fcd2b5e3 RV |
1504 | spin_lock(&lio->glist_lock[iq]); |
1505 | list_add_tail(&g->list, &lio->glist[iq]); | |
1506 | spin_unlock(&lio->glist_lock[iq]); | |
f21fb3ed | 1507 | |
cabeb13b | 1508 | tx_buffer_free(skb); |
f21fb3ed RV |
1509 | } |
1510 | ||
1511 | /** | |
1512 | * \brief Unmap and free gather buffer with response | |
1513 | * @param buf buffer | |
1514 | */ | |
1515 | static void free_netsgbuf_with_resp(void *buf) | |
1516 | { | |
1517 | struct octeon_soft_command *sc; | |
1518 | struct octnet_buf_free_info *finfo; | |
1519 | struct sk_buff *skb; | |
1520 | struct lio *lio; | |
1521 | struct octnic_gather *g; | |
fcd2b5e3 | 1522 | int i, frags, iq; |
f21fb3ed RV |
1523 | |
1524 | sc = (struct octeon_soft_command *)buf; | |
1525 | skb = (struct sk_buff *)sc->callback_arg; | |
1526 | finfo = (struct octnet_buf_free_info *)&skb->cb; | |
1527 | ||
1528 | lio = finfo->lio; | |
1529 | g = finfo->g; | |
1530 | frags = skb_shinfo(skb)->nr_frags; | |
1531 | ||
1532 | dma_unmap_single(&lio->oct_dev->pci_dev->dev, | |
1533 | g->sg[0].ptr[0], (skb->len - skb->data_len), | |
1534 | DMA_TO_DEVICE); | |
1535 | ||
1536 | i = 1; | |
1537 | while (frags--) { | |
d7840976 | 1538 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1]; |
f21fb3ed RV |
1539 | |
1540 | pci_unmap_page((lio->oct_dev)->pci_dev, | |
1541 | g->sg[(i >> 2)].ptr[(i & 3)], | |
d7840976 | 1542 | skb_frag_size(frag), DMA_TO_DEVICE); |
f21fb3ed RV |
1543 | i++; |
1544 | } | |
1545 | ||
c33c9973 | 1546 | iq = skb_iq(lio->oct_dev, skb); |
fcd2b5e3 RV |
1547 | |
1548 | spin_lock(&lio->glist_lock[iq]); | |
1549 | list_add_tail(&g->list, &lio->glist[iq]); | |
1550 | spin_unlock(&lio->glist_lock[iq]); | |
f21fb3ed RV |
1551 | |
1552 | /* Don't free the skb yet */ | |
f21fb3ed RV |
1553 | } |
1554 | ||
1555 | /** | |
1556 | * \brief Adjust ptp frequency | |
1557 | * @param ptp PTP clock info | |
1558 | * @param ppb how much to adjust by, in parts-per-billion | |
1559 | */ | |
1560 | static int liquidio_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) | |
1561 | { | |
1562 | struct lio *lio = container_of(ptp, struct lio, ptp_info); | |
1563 | struct octeon_device *oct = (struct octeon_device *)lio->oct_dev; | |
1564 | u64 comp, delta; | |
1565 | unsigned long flags; | |
1566 | bool neg_adj = false; | |
1567 | ||
1568 | if (ppb < 0) { | |
1569 | neg_adj = true; | |
1570 | ppb = -ppb; | |
1571 | } | |
1572 | ||
1573 | /* The hardware adds the clock compensation value to the | |
1574 | * PTP clock on every coprocessor clock cycle, so we | |
1575 | * compute the delta in terms of coprocessor clocks. | |
1576 | */ | |
1577 | delta = (u64)ppb << 32; | |
1578 | do_div(delta, oct->coproc_clock_rate); | |
1579 | ||
1580 | spin_lock_irqsave(&lio->ptp_lock, flags); | |
1581 | comp = lio_pci_readq(oct, CN6XXX_MIO_PTP_CLOCK_COMP); | |
1582 | if (neg_adj) | |
1583 | comp -= delta; | |
1584 | else | |
1585 | comp += delta; | |
1586 | lio_pci_writeq(oct, comp, CN6XXX_MIO_PTP_CLOCK_COMP); | |
1587 | spin_unlock_irqrestore(&lio->ptp_lock, flags); | |
1588 | ||
1589 | return 0; | |
1590 | } | |
1591 | ||
1592 | /** | |
1593 | * \brief Adjust ptp time | |
1594 | * @param ptp PTP clock info | |
1595 | * @param delta how much to adjust by, in nanosecs | |
1596 | */ | |
1597 | static int liquidio_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) | |
1598 | { | |
1599 | unsigned long flags; | |
1600 | struct lio *lio = container_of(ptp, struct lio, ptp_info); | |
1601 | ||
1602 | spin_lock_irqsave(&lio->ptp_lock, flags); | |
1603 | lio->ptp_adjust += delta; | |
1604 | spin_unlock_irqrestore(&lio->ptp_lock, flags); | |
1605 | ||
1606 | return 0; | |
1607 | } | |
1608 | ||
1609 | /** | |
1610 | * \brief Get hardware clock time, including any adjustment | |
1611 | * @param ptp PTP clock info | |
1612 | * @param ts timespec | |
1613 | */ | |
1614 | static int liquidio_ptp_gettime(struct ptp_clock_info *ptp, | |
1615 | struct timespec64 *ts) | |
1616 | { | |
1617 | u64 ns; | |
f21fb3ed RV |
1618 | unsigned long flags; |
1619 | struct lio *lio = container_of(ptp, struct lio, ptp_info); | |
1620 | struct octeon_device *oct = (struct octeon_device *)lio->oct_dev; | |
1621 | ||
1622 | spin_lock_irqsave(&lio->ptp_lock, flags); | |
1623 | ns = lio_pci_readq(oct, CN6XXX_MIO_PTP_CLOCK_HI); | |
1624 | ns += lio->ptp_adjust; | |
1625 | spin_unlock_irqrestore(&lio->ptp_lock, flags); | |
1626 | ||
286af315 | 1627 | *ts = ns_to_timespec64(ns); |
f21fb3ed RV |
1628 | |
1629 | return 0; | |
1630 | } | |
1631 | ||
1632 | /** | |
1633 | * \brief Set hardware clock time. Reset adjustment | |
1634 | * @param ptp PTP clock info | |
1635 | * @param ts timespec | |
1636 | */ | |
1637 | static int liquidio_ptp_settime(struct ptp_clock_info *ptp, | |
1638 | const struct timespec64 *ts) | |
1639 | { | |
1640 | u64 ns; | |
1641 | unsigned long flags; | |
1642 | struct lio *lio = container_of(ptp, struct lio, ptp_info); | |
1643 | struct octeon_device *oct = (struct octeon_device *)lio->oct_dev; | |
1644 | ||
e7ad9793 | 1645 | ns = timespec64_to_ns(ts); |
f21fb3ed RV |
1646 | |
1647 | spin_lock_irqsave(&lio->ptp_lock, flags); | |
1648 | lio_pci_writeq(oct, ns, CN6XXX_MIO_PTP_CLOCK_HI); | |
1649 | lio->ptp_adjust = 0; | |
1650 | spin_unlock_irqrestore(&lio->ptp_lock, flags); | |
1651 | ||
1652 | return 0; | |
1653 | } | |
1654 | ||
1655 | /** | |
1656 | * \brief Check if PTP is enabled | |
1657 | * @param ptp PTP clock info | |
1658 | * @param rq request | |
1659 | * @param on is it on | |
1660 | */ | |
a7d5a3dc RV |
1661 | static int |
1662 | liquidio_ptp_enable(struct ptp_clock_info *ptp __attribute__((unused)), | |
1663 | struct ptp_clock_request *rq __attribute__((unused)), | |
1664 | int on __attribute__((unused))) | |
f21fb3ed RV |
1665 | { |
1666 | return -EOPNOTSUPP; | |
1667 | } | |
1668 | ||
1669 | /** | |
1670 | * \brief Open PTP clock source | |
1671 | * @param netdev network device | |
1672 | */ | |
1673 | static void oct_ptp_open(struct net_device *netdev) | |
1674 | { | |
1675 | struct lio *lio = GET_LIO(netdev); | |
1676 | struct octeon_device *oct = (struct octeon_device *)lio->oct_dev; | |
1677 | ||
1678 | spin_lock_init(&lio->ptp_lock); | |
1679 | ||
1680 | snprintf(lio->ptp_info.name, 16, "%s", netdev->name); | |
1681 | lio->ptp_info.owner = THIS_MODULE; | |
1682 | lio->ptp_info.max_adj = 250000000; | |
1683 | lio->ptp_info.n_alarm = 0; | |
1684 | lio->ptp_info.n_ext_ts = 0; | |
1685 | lio->ptp_info.n_per_out = 0; | |
1686 | lio->ptp_info.pps = 0; | |
1687 | lio->ptp_info.adjfreq = liquidio_ptp_adjfreq; | |
1688 | lio->ptp_info.adjtime = liquidio_ptp_adjtime; | |
1689 | lio->ptp_info.gettime64 = liquidio_ptp_gettime; | |
1690 | lio->ptp_info.settime64 = liquidio_ptp_settime; | |
1691 | lio->ptp_info.enable = liquidio_ptp_enable; | |
1692 | ||
1693 | lio->ptp_adjust = 0; | |
1694 | ||
1695 | lio->ptp_clock = ptp_clock_register(&lio->ptp_info, | |
1696 | &oct->pci_dev->dev); | |
1697 | ||
1698 | if (IS_ERR(lio->ptp_clock)) | |
1699 | lio->ptp_clock = NULL; | |
1700 | } | |
1701 | ||
1702 | /** | |
1703 | * \brief Init PTP clock | |
1704 | * @param oct octeon device | |
1705 | */ | |
1706 | static void liquidio_ptp_init(struct octeon_device *oct) | |
1707 | { | |
1708 | u64 clock_comp, cfg; | |
1709 | ||
1710 | clock_comp = (u64)NSEC_PER_SEC << 32; | |
1711 | do_div(clock_comp, oct->coproc_clock_rate); | |
1712 | lio_pci_writeq(oct, clock_comp, CN6XXX_MIO_PTP_CLOCK_COMP); | |
1713 | ||
1714 | /* Enable */ | |
1715 | cfg = lio_pci_readq(oct, CN6XXX_MIO_PTP_CLOCK_CFG); | |
1716 | lio_pci_writeq(oct, cfg | 0x01, CN6XXX_MIO_PTP_CLOCK_CFG); | |
1717 | } | |
1718 | ||
1719 | /** | |
1720 | * \brief Load firmware to device | |
1721 | * @param oct octeon device | |
1722 | * | |
1723 | * Maps device to firmware filename, requests firmware, and downloads it | |
1724 | */ | |
1725 | static int load_firmware(struct octeon_device *oct) | |
1726 | { | |
1727 | int ret = 0; | |
1728 | const struct firmware *fw; | |
1729 | char fw_name[LIO_MAX_FW_FILENAME_LEN]; | |
1730 | char *tmp_fw_type; | |
1731 | ||
429cbf6b | 1732 | if (fw_type_is_auto()) { |
f21fb3ed | 1733 | tmp_fw_type = LIO_FW_NAME_TYPE_NIC; |
429cbf6b RF |
1734 | strncpy(fw_type, tmp_fw_type, sizeof(fw_type)); |
1735 | } else { | |
f21fb3ed | 1736 | tmp_fw_type = fw_type; |
429cbf6b | 1737 | } |
f21fb3ed RV |
1738 | |
1739 | sprintf(fw_name, "%s%s%s_%s%s", LIO_FW_DIR, LIO_FW_BASE_NAME, | |
1740 | octeon_get_conf(oct)->card_name, tmp_fw_type, | |
1741 | LIO_FW_NAME_SUFFIX); | |
1742 | ||
1743 | ret = request_firmware(&fw, fw_name, &oct->pci_dev->dev); | |
1744 | if (ret) { | |
d602de8e | 1745 | dev_err(&oct->pci_dev->dev, "Request firmware failed. Could not find file %s.\n", |
f21fb3ed | 1746 | fw_name); |
d3d7e6c6 | 1747 | release_firmware(fw); |
f21fb3ed RV |
1748 | return ret; |
1749 | } | |
1750 | ||
1751 | ret = octeon_download_firmware(oct, fw->data, fw->size); | |
1752 | ||
1753 | release_firmware(fw); | |
1754 | ||
1755 | return ret; | |
1756 | } | |
1757 | ||
f21fb3ed RV |
1758 | /** |
1759 | * \brief Poll routine for checking transmit queue status | |
1760 | * @param work work_struct data structure | |
1761 | */ | |
1762 | static void octnet_poll_check_txq_status(struct work_struct *work) | |
1763 | { | |
1764 | struct cavium_wk *wk = (struct cavium_wk *)work; | |
1765 | struct lio *lio = (struct lio *)wk->ctxptr; | |
1766 | ||
1767 | if (!ifstate_check(lio, LIO_IFSTATE_RUNNING)) | |
1768 | return; | |
1769 | ||
1770 | check_txq_status(lio); | |
1771 | queue_delayed_work(lio->txq_status_wq.wq, | |
1772 | &lio->txq_status_wq.wk.work, msecs_to_jiffies(1)); | |
1773 | } | |
1774 | ||
1775 | /** | |
1776 | * \brief Sets up the txq poll check | |
1777 | * @param netdev network device | |
1778 | */ | |
5b07aee1 | 1779 | static inline int setup_tx_poll_fn(struct net_device *netdev) |
f21fb3ed RV |
1780 | { |
1781 | struct lio *lio = GET_LIO(netdev); | |
1782 | struct octeon_device *oct = lio->oct_dev; | |
1783 | ||
292b9dab BS |
1784 | lio->txq_status_wq.wq = alloc_workqueue("txq-status", |
1785 | WQ_MEM_RECLAIM, 0); | |
f21fb3ed RV |
1786 | if (!lio->txq_status_wq.wq) { |
1787 | dev_err(&oct->pci_dev->dev, "unable to create cavium txq status wq\n"); | |
5b07aee1 | 1788 | return -1; |
f21fb3ed RV |
1789 | } |
1790 | INIT_DELAYED_WORK(&lio->txq_status_wq.wk.work, | |
1791 | octnet_poll_check_txq_status); | |
1792 | lio->txq_status_wq.wk.ctxptr = lio; | |
1793 | queue_delayed_work(lio->txq_status_wq.wq, | |
1794 | &lio->txq_status_wq.wk.work, msecs_to_jiffies(1)); | |
5b07aee1 | 1795 | return 0; |
f21fb3ed RV |
1796 | } |
1797 | ||
9a96bde4 RV |
1798 | static inline void cleanup_tx_poll_fn(struct net_device *netdev) |
1799 | { | |
1800 | struct lio *lio = GET_LIO(netdev); | |
1801 | ||
5b07aee1 RV |
1802 | if (lio->txq_status_wq.wq) { |
1803 | cancel_delayed_work_sync(&lio->txq_status_wq.wk.work); | |
1804 | destroy_workqueue(lio->txq_status_wq.wq); | |
1805 | } | |
9a96bde4 RV |
1806 | } |
1807 | ||
f21fb3ed RV |
1808 | /** |
1809 | * \brief Net device open for LiquidIO | |
1810 | * @param netdev network device | |
1811 | */ | |
1812 | static int liquidio_open(struct net_device *netdev) | |
1813 | { | |
1814 | struct lio *lio = GET_LIO(netdev); | |
1815 | struct octeon_device *oct = lio->oct_dev; | |
fe2d22b1 IB |
1816 | struct octeon_device_priv *oct_priv = |
1817 | (struct octeon_device_priv *)oct->priv; | |
f21fb3ed RV |
1818 | struct napi_struct *napi, *n; |
1819 | ||
9a96bde4 | 1820 | if (oct->props[lio->ifidx].napi_enabled == 0) { |
fe2d22b1 IB |
1821 | tasklet_disable(&oct_priv->droq_tasklet); |
1822 | ||
9a96bde4 RV |
1823 | list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list) |
1824 | napi_enable(napi); | |
1825 | ||
1826 | oct->props[lio->ifidx].napi_enabled = 1; | |
7b6b6c95 RV |
1827 | |
1828 | if (OCTEON_CN23XX_PF(oct)) | |
1829 | oct->droq[0]->ops.poll_mode = 1; | |
9a96bde4 | 1830 | } |
f21fb3ed | 1831 | |
aa69ff9e | 1832 | if (oct->ptp_enable) |
9feb16ae | 1833 | oct_ptp_open(netdev); |
f21fb3ed RV |
1834 | |
1835 | ifstate_set(lio, LIO_IFSTATE_RUNNING); | |
9a96bde4 | 1836 | |
5b07aee1 RV |
1837 | if (OCTEON_CN23XX_PF(oct)) { |
1838 | if (!oct->msix_on) | |
1839 | if (setup_tx_poll_fn(netdev)) | |
1840 | return -1; | |
1841 | } else { | |
1842 | if (setup_tx_poll_fn(netdev)) | |
1843 | return -1; | |
1844 | } | |
9a96bde4 | 1845 | |
c33c9973 IB |
1846 | netif_tx_start_all_queues(netdev); |
1847 | ||
1848 | /* Ready for link status updates */ | |
1849 | lio->intf_open = 1; | |
1850 | ||
1851 | netif_info(lio, ifup, lio->netdev, "Interface Open, ready for traffic\n"); | |
f21fb3ed | 1852 | |
f21fb3ed RV |
1853 | /* tell Octeon to start forwarding packets to host */ |
1854 | send_rx_ctrl_cmd(lio, 1); | |
1855 | ||
35878618 PN |
1856 | /* start periodical statistics fetch */ |
1857 | INIT_DELAYED_WORK(&lio->stats_wk.work, lio_fetch_stats); | |
1858 | lio->stats_wk.ctxptr = lio; | |
1859 | schedule_delayed_work(&lio->stats_wk.work, msecs_to_jiffies | |
1860 | (LIQUIDIO_NDEV_STATS_POLL_TIME_MS)); | |
1861 | ||
f21fb3ed RV |
1862 | dev_info(&oct->pci_dev->dev, "%s interface is opened\n", |
1863 | netdev->name); | |
1864 | ||
1865 | return 0; | |
1866 | } | |
1867 | ||
1868 | /** | |
1869 | * \brief Net device stop for LiquidIO | |
1870 | * @param netdev network device | |
1871 | */ | |
1872 | static int liquidio_stop(struct net_device *netdev) | |
1873 | { | |
f21fb3ed RV |
1874 | struct lio *lio = GET_LIO(netdev); |
1875 | struct octeon_device *oct = lio->oct_dev; | |
fe2d22b1 IB |
1876 | struct octeon_device_priv *oct_priv = |
1877 | (struct octeon_device_priv *)oct->priv; | |
42013e90 IB |
1878 | struct napi_struct *napi, *n; |
1879 | ||
9a96bde4 RV |
1880 | ifstate_reset(lio, LIO_IFSTATE_RUNNING); |
1881 | ||
c33c9973 IB |
1882 | /* Stop any link updates */ |
1883 | lio->intf_open = 0; | |
1884 | ||
1885 | stop_txqs(netdev); | |
9a96bde4 | 1886 | |
f21fb3ed | 1887 | /* Inform that netif carrier is down */ |
9a96bde4 | 1888 | netif_carrier_off(netdev); |
c33c9973 IB |
1889 | netif_tx_disable(netdev); |
1890 | ||
0cece6c5 RV |
1891 | lio->linfo.link.s.link_up = 0; |
1892 | lio->link_changes++; | |
f21fb3ed | 1893 | |
cb2336b5 | 1894 | /* Tell Octeon that nic interface is down. */ |
f21fb3ed RV |
1895 | send_rx_ctrl_cmd(lio, 0); |
1896 | ||
5b07aee1 RV |
1897 | if (OCTEON_CN23XX_PF(oct)) { |
1898 | if (!oct->msix_on) | |
1899 | cleanup_tx_poll_fn(netdev); | |
1900 | } else { | |
1901 | cleanup_tx_poll_fn(netdev); | |
1902 | } | |
f21fb3ed | 1903 | |
35878618 PN |
1904 | cancel_delayed_work_sync(&lio->stats_wk.work); |
1905 | ||
f21fb3ed RV |
1906 | if (lio->ptp_clock) { |
1907 | ptp_clock_unregister(lio->ptp_clock); | |
1908 | lio->ptp_clock = NULL; | |
1909 | } | |
1910 | ||
ccdd0b4c RV |
1911 | /* Wait for any pending Rx descriptors */ |
1912 | if (lio_wait_for_clean_oq(oct)) | |
1913 | netif_info(lio, rx_err, lio->netdev, | |
1914 | "Proceeding with stop interface after partial RX desc processing\n"); | |
1915 | ||
1916 | if (oct->props[lio->ifidx].napi_enabled == 1) { | |
1917 | list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list) | |
1918 | napi_disable(napi); | |
1919 | ||
1920 | oct->props[lio->ifidx].napi_enabled = 0; | |
1921 | ||
1922 | if (OCTEON_CN23XX_PF(oct)) | |
1923 | oct->droq[0]->ops.poll_mode = 0; | |
fe2d22b1 IB |
1924 | |
1925 | tasklet_enable(&oct_priv->droq_tasklet); | |
ccdd0b4c RV |
1926 | } |
1927 | ||
f21fb3ed | 1928 | dev_info(&oct->pci_dev->dev, "%s interface is stopped\n", netdev->name); |
f21fb3ed RV |
1929 | |
1930 | return 0; | |
1931 | } | |
1932 | ||
f21fb3ed RV |
1933 | /** |
1934 | * \brief Converts a mask based on net device flags | |
1935 | * @param netdev network device | |
1936 | * | |
1937 | * This routine generates a octnet_ifflags mask from the net device flags | |
1938 | * received from the OS. | |
1939 | */ | |
1940 | static inline enum octnet_ifflags get_new_flags(struct net_device *netdev) | |
1941 | { | |
1942 | enum octnet_ifflags f = OCTNET_IFFLAG_UNICAST; | |
1943 | ||
1944 | if (netdev->flags & IFF_PROMISC) | |
1945 | f |= OCTNET_IFFLAG_PROMISC; | |
1946 | ||
1947 | if (netdev->flags & IFF_ALLMULTI) | |
1948 | f |= OCTNET_IFFLAG_ALLMULTI; | |
1949 | ||
1950 | if (netdev->flags & IFF_MULTICAST) { | |
1951 | f |= OCTNET_IFFLAG_MULTICAST; | |
1952 | ||
1953 | /* Accept all multicast addresses if there are more than we | |
1954 | * can handle | |
1955 | */ | |
1956 | if (netdev_mc_count(netdev) > MAX_OCTEON_MULTICAST_ADDR) | |
1957 | f |= OCTNET_IFFLAG_ALLMULTI; | |
1958 | } | |
1959 | ||
1960 | if (netdev->flags & IFF_BROADCAST) | |
1961 | f |= OCTNET_IFFLAG_BROADCAST; | |
1962 | ||
1963 | return f; | |
1964 | } | |
1965 | ||
1966 | /** | |
1967 | * \brief Net device set_multicast_list | |
1968 | * @param netdev network device | |
1969 | */ | |
1970 | static void liquidio_set_mcast_list(struct net_device *netdev) | |
1971 | { | |
1972 | struct lio *lio = GET_LIO(netdev); | |
1973 | struct octeon_device *oct = lio->oct_dev; | |
1974 | struct octnic_ctrl_pkt nctrl; | |
f21fb3ed RV |
1975 | struct netdev_hw_addr *ha; |
1976 | u64 *mc; | |
a7d5a3dc | 1977 | int ret; |
f21fb3ed RV |
1978 | int mc_count = min(netdev_mc_count(netdev), MAX_OCTEON_MULTICAST_ADDR); |
1979 | ||
1980 | memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); | |
1981 | ||
1982 | /* Create a ctrl pkt command to be sent to core app. */ | |
1983 | nctrl.ncmd.u64 = 0; | |
1984 | nctrl.ncmd.s.cmd = OCTNET_CMD_SET_MULTI_LIST; | |
0cece6c5 RV |
1985 | nctrl.ncmd.s.param1 = get_new_flags(netdev); |
1986 | nctrl.ncmd.s.param2 = mc_count; | |
f21fb3ed | 1987 | nctrl.ncmd.s.more = mc_count; |
0cece6c5 | 1988 | nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; |
f21fb3ed RV |
1989 | nctrl.netpndev = (u64)netdev; |
1990 | nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; | |
1991 | ||
1992 | /* copy all the addresses into the udd */ | |
f21fb3ed RV |
1993 | mc = &nctrl.udd[0]; |
1994 | netdev_for_each_mc_addr(ha, netdev) { | |
1995 | *mc = 0; | |
1996 | memcpy(((u8 *)mc) + 2, ha->addr, ETH_ALEN); | |
1997 | /* no need to swap bytes */ | |
1998 | ||
1999 | if (++mc > &nctrl.udd[mc_count]) | |
2000 | break; | |
2001 | } | |
2002 | ||
2003 | /* Apparently, any activity in this call from the kernel has to | |
2004 | * be atomic. So we won't wait for response. | |
2005 | */ | |
f21fb3ed | 2006 | |
0cece6c5 | 2007 | ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); |
edd572d7 | 2008 | if (ret) { |
f21fb3ed RV |
2009 | dev_err(&oct->pci_dev->dev, "DEVFLAGS change failed in core (ret: 0x%x)\n", |
2010 | ret); | |
2011 | } | |
2012 | } | |
2013 | ||
2014 | /** | |
2015 | * \brief Net device set_mac_address | |
2016 | * @param netdev network device | |
2017 | */ | |
2018 | static int liquidio_set_mac(struct net_device *netdev, void *p) | |
2019 | { | |
2020 | int ret = 0; | |
2021 | struct lio *lio = GET_LIO(netdev); | |
2022 | struct octeon_device *oct = lio->oct_dev; | |
2023 | struct sockaddr *addr = (struct sockaddr *)p; | |
2024 | struct octnic_ctrl_pkt nctrl; | |
f21fb3ed | 2025 | |
0cece6c5 | 2026 | if (!is_valid_ether_addr(addr->sa_data)) |
f21fb3ed RV |
2027 | return -EADDRNOTAVAIL; |
2028 | ||
2029 | memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); | |
2030 | ||
2031 | nctrl.ncmd.u64 = 0; | |
2032 | nctrl.ncmd.s.cmd = OCTNET_CMD_CHANGE_MACADDR; | |
0cece6c5 | 2033 | nctrl.ncmd.s.param1 = 0; |
f21fb3ed | 2034 | nctrl.ncmd.s.more = 1; |
0cece6c5 | 2035 | nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; |
f21fb3ed | 2036 | nctrl.netpndev = (u64)netdev; |
f21fb3ed RV |
2037 | |
2038 | nctrl.udd[0] = 0; | |
2039 | /* The MAC Address is presented in network byte order. */ | |
2040 | memcpy((u8 *)&nctrl.udd[0] + 2, addr->sa_data, ETH_ALEN); | |
2041 | ||
0cece6c5 | 2042 | ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); |
f21fb3ed RV |
2043 | if (ret < 0) { |
2044 | dev_err(&oct->pci_dev->dev, "MAC Address change failed\n"); | |
2045 | return -ENOMEM; | |
2046 | } | |
edd572d7 FM |
2047 | |
2048 | if (nctrl.sc_status) { | |
2049 | dev_err(&oct->pci_dev->dev, | |
2050 | "%s: MAC Address change failed. sc return=%x\n", | |
2051 | __func__, nctrl.sc_status); | |
2052 | return -EIO; | |
2053 | } | |
2054 | ||
f21fb3ed RV |
2055 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
2056 | memcpy(((u8 *)&lio->linfo.hw_addr) + 2, addr->sa_data, ETH_ALEN); | |
2057 | ||
2058 | return 0; | |
2059 | } | |
2060 | ||
80002347 PN |
2061 | static void |
2062 | liquidio_get_stats64(struct net_device *netdev, | |
2063 | struct rtnl_link_stats64 *lstats) | |
f21fb3ed RV |
2064 | { |
2065 | struct lio *lio = GET_LIO(netdev); | |
f21fb3ed RV |
2066 | struct octeon_device *oct; |
2067 | u64 pkts = 0, drop = 0, bytes = 0; | |
2068 | struct oct_droq_stats *oq_stats; | |
2069 | struct oct_iq_stats *iq_stats; | |
2070 | int i, iq_no, oq_no; | |
2071 | ||
2072 | oct = lio->oct_dev; | |
2073 | ||
d18ca7df | 2074 | if (ifstate_check(lio, LIO_IFSTATE_RESETTING)) |
80002347 | 2075 | return; |
d18ca7df | 2076 | |
a82457f1 | 2077 | for (i = 0; i < oct->num_iqs; i++) { |
26236fa9 | 2078 | iq_no = lio->linfo.txpciq[i].s.q_no; |
f21fb3ed RV |
2079 | iq_stats = &oct->instr_queue[iq_no]->stats; |
2080 | pkts += iq_stats->tx_done; | |
2081 | drop += iq_stats->tx_dropped; | |
2082 | bytes += iq_stats->tx_tot_bytes; | |
2083 | } | |
2084 | ||
80002347 PN |
2085 | lstats->tx_packets = pkts; |
2086 | lstats->tx_bytes = bytes; | |
2087 | lstats->tx_dropped = drop; | |
f21fb3ed RV |
2088 | |
2089 | pkts = 0; | |
2090 | drop = 0; | |
2091 | bytes = 0; | |
2092 | ||
a82457f1 | 2093 | for (i = 0; i < oct->num_oqs; i++) { |
26236fa9 | 2094 | oq_no = lio->linfo.rxpciq[i].s.q_no; |
f21fb3ed RV |
2095 | oq_stats = &oct->droq[oq_no]->stats; |
2096 | pkts += oq_stats->rx_pkts_received; | |
2097 | drop += (oq_stats->rx_dropped + | |
2098 | oq_stats->dropped_nodispatch + | |
2099 | oq_stats->dropped_toomany + | |
2100 | oq_stats->dropped_nomem); | |
2101 | bytes += oq_stats->rx_bytes_received; | |
2102 | } | |
2103 | ||
80002347 PN |
2104 | lstats->rx_bytes = bytes; |
2105 | lstats->rx_packets = pkts; | |
2106 | lstats->rx_dropped = drop; | |
2107 | ||
80002347 PN |
2108 | lstats->multicast = oct->link_stats.fromwire.fw_total_mcast; |
2109 | lstats->collisions = oct->link_stats.fromhost.total_collisions; | |
2110 | ||
2111 | /* detailed rx_errors: */ | |
2112 | lstats->rx_length_errors = oct->link_stats.fromwire.l2_err; | |
2113 | /* recved pkt with crc error */ | |
2114 | lstats->rx_crc_errors = oct->link_stats.fromwire.fcs_err; | |
2115 | /* recv'd frame alignment error */ | |
2116 | lstats->rx_frame_errors = oct->link_stats.fromwire.frame_err; | |
2117 | /* recv'r fifo overrun */ | |
2118 | lstats->rx_fifo_errors = oct->link_stats.fromwire.fifo_err; | |
2119 | ||
2120 | lstats->rx_errors = lstats->rx_length_errors + lstats->rx_crc_errors + | |
2121 | lstats->rx_frame_errors + lstats->rx_fifo_errors; | |
2122 | ||
2123 | /* detailed tx_errors */ | |
2124 | lstats->tx_aborted_errors = oct->link_stats.fromhost.fw_err_pko; | |
2125 | lstats->tx_carrier_errors = oct->link_stats.fromhost.fw_err_link; | |
2126 | lstats->tx_fifo_errors = oct->link_stats.fromhost.fifo_err; | |
f21fb3ed | 2127 | |
80002347 PN |
2128 | lstats->tx_errors = lstats->tx_aborted_errors + |
2129 | lstats->tx_carrier_errors + | |
2130 | lstats->tx_fifo_errors; | |
f21fb3ed RV |
2131 | } |
2132 | ||
f21fb3ed RV |
2133 | /** |
2134 | * \brief Handler for SIOCSHWTSTAMP ioctl | |
2135 | * @param netdev network device | |
2136 | * @param ifr interface request | |
2137 | * @param cmd command | |
2138 | */ | |
a7d5a3dc | 2139 | static int hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr) |
f21fb3ed RV |
2140 | { |
2141 | struct hwtstamp_config conf; | |
2142 | struct lio *lio = GET_LIO(netdev); | |
2143 | ||
2144 | if (copy_from_user(&conf, ifr->ifr_data, sizeof(conf))) | |
2145 | return -EFAULT; | |
2146 | ||
2147 | if (conf.flags) | |
2148 | return -EINVAL; | |
2149 | ||
2150 | switch (conf.tx_type) { | |
2151 | case HWTSTAMP_TX_ON: | |
2152 | case HWTSTAMP_TX_OFF: | |
2153 | break; | |
2154 | default: | |
2155 | return -ERANGE; | |
2156 | } | |
2157 | ||
2158 | switch (conf.rx_filter) { | |
2159 | case HWTSTAMP_FILTER_NONE: | |
2160 | break; | |
2161 | case HWTSTAMP_FILTER_ALL: | |
2162 | case HWTSTAMP_FILTER_SOME: | |
2163 | case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: | |
2164 | case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: | |
2165 | case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: | |
2166 | case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: | |
2167 | case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: | |
2168 | case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: | |
2169 | case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: | |
2170 | case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: | |
2171 | case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: | |
2172 | case HWTSTAMP_FILTER_PTP_V2_EVENT: | |
2173 | case HWTSTAMP_FILTER_PTP_V2_SYNC: | |
2174 | case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: | |
e3412575 | 2175 | case HWTSTAMP_FILTER_NTP_ALL: |
f21fb3ed RV |
2176 | conf.rx_filter = HWTSTAMP_FILTER_ALL; |
2177 | break; | |
2178 | default: | |
2179 | return -ERANGE; | |
2180 | } | |
2181 | ||
2182 | if (conf.rx_filter == HWTSTAMP_FILTER_ALL) | |
2183 | ifstate_set(lio, LIO_IFSTATE_RX_TIMESTAMP_ENABLED); | |
2184 | ||
2185 | else | |
2186 | ifstate_reset(lio, LIO_IFSTATE_RX_TIMESTAMP_ENABLED); | |
2187 | ||
2188 | return copy_to_user(ifr->ifr_data, &conf, sizeof(conf)) ? -EFAULT : 0; | |
2189 | } | |
2190 | ||
2191 | /** | |
2192 | * \brief ioctl handler | |
2193 | * @param netdev network device | |
2194 | * @param ifr interface request | |
2195 | * @param cmd command | |
2196 | */ | |
2197 | static int liquidio_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) | |
2198 | { | |
9feb16ae PK |
2199 | struct lio *lio = GET_LIO(netdev); |
2200 | ||
f21fb3ed RV |
2201 | switch (cmd) { |
2202 | case SIOCSHWTSTAMP: | |
aa69ff9e | 2203 | if (lio->oct_dev->ptp_enable) |
9feb16ae | 2204 | return hwtstamp_ioctl(netdev, ifr); |
19aa45d4 | 2205 | /* fall through */ |
f21fb3ed RV |
2206 | default: |
2207 | return -EOPNOTSUPP; | |
2208 | } | |
2209 | } | |
2210 | ||
2211 | /** | |
2212 | * \brief handle a Tx timestamp response | |
2213 | * @param status response status | |
2214 | * @param buf pointer to skb | |
2215 | */ | |
2216 | static void handle_timestamp(struct octeon_device *oct, | |
2217 | u32 status, | |
2218 | void *buf) | |
2219 | { | |
2220 | struct octnet_buf_free_info *finfo; | |
2221 | struct octeon_soft_command *sc; | |
2222 | struct oct_timestamp_resp *resp; | |
2223 | struct lio *lio; | |
2224 | struct sk_buff *skb = (struct sk_buff *)buf; | |
2225 | ||
2226 | finfo = (struct octnet_buf_free_info *)skb->cb; | |
2227 | lio = finfo->lio; | |
2228 | sc = finfo->sc; | |
2229 | oct = lio->oct_dev; | |
2230 | resp = (struct oct_timestamp_resp *)sc->virtrptr; | |
2231 | ||
2232 | if (status != OCTEON_REQUEST_DONE) { | |
2233 | dev_err(&oct->pci_dev->dev, "Tx timestamp instruction failed. Status: %llx\n", | |
2234 | CVM_CAST64(status)); | |
2235 | resp->timestamp = 0; | |
2236 | } | |
2237 | ||
2238 | octeon_swap_8B_data(&resp->timestamp, 1); | |
2239 | ||
19a6d156 | 2240 | if (unlikely((skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS) != 0)) { |
f21fb3ed RV |
2241 | struct skb_shared_hwtstamps ts; |
2242 | u64 ns = resp->timestamp; | |
2243 | ||
2244 | netif_info(lio, tx_done, lio->netdev, | |
2245 | "Got resulting SKBTX_HW_TSTAMP skb=%p ns=%016llu\n", | |
2246 | skb, (unsigned long long)ns); | |
2247 | ts.hwtstamp = ns_to_ktime(ns + lio->ptp_adjust); | |
2248 | skb_tstamp_tx(skb, &ts); | |
2249 | } | |
2250 | ||
2251 | octeon_free_soft_command(oct, sc); | |
cabeb13b | 2252 | tx_buffer_free(skb); |
f21fb3ed RV |
2253 | } |
2254 | ||
2255 | /* \brief Send a data packet that will be timestamped | |
2256 | * @param oct octeon device | |
2257 | * @param ndata pointer to network data | |
2258 | * @param finfo pointer to private network data | |
2259 | */ | |
2260 | static inline int send_nic_timestamp_pkt(struct octeon_device *oct, | |
2261 | struct octnic_data_pkt *ndata, | |
c859e21a IB |
2262 | struct octnet_buf_free_info *finfo, |
2263 | int xmit_more) | |
f21fb3ed RV |
2264 | { |
2265 | int retval; | |
2266 | struct octeon_soft_command *sc; | |
f21fb3ed RV |
2267 | struct lio *lio; |
2268 | int ring_doorbell; | |
6a885b60 | 2269 | u32 len; |
f21fb3ed RV |
2270 | |
2271 | lio = finfo->lio; | |
2272 | ||
2273 | sc = octeon_alloc_soft_command_resp(oct, &ndata->cmd, | |
2274 | sizeof(struct oct_timestamp_resp)); | |
2275 | finfo->sc = sc; | |
2276 | ||
2277 | if (!sc) { | |
2278 | dev_err(&oct->pci_dev->dev, "No memory for timestamped data packet\n"); | |
2279 | return IQ_SEND_FAILED; | |
2280 | } | |
2281 | ||
2282 | if (ndata->reqtype == REQTYPE_NORESP_NET) | |
2283 | ndata->reqtype = REQTYPE_RESP_NET; | |
2284 | else if (ndata->reqtype == REQTYPE_NORESP_NET_SG) | |
2285 | ndata->reqtype = REQTYPE_RESP_NET_SG; | |
2286 | ||
2287 | sc->callback = handle_timestamp; | |
2288 | sc->callback_arg = finfo->skb; | |
2289 | sc->iq_no = ndata->q_no; | |
2290 | ||
5b823514 RV |
2291 | if (OCTEON_CN23XX_PF(oct)) |
2292 | len = (u32)((struct octeon_instr_ih3 *) | |
2293 | (&sc->cmd.cmd3.ih3))->dlengsz; | |
2294 | else | |
2295 | len = (u32)((struct octeon_instr_ih2 *) | |
2296 | (&sc->cmd.cmd2.ih2))->dlengsz; | |
f21fb3ed | 2297 | |
c859e21a | 2298 | ring_doorbell = !xmit_more; |
5b823514 | 2299 | |
f21fb3ed | 2300 | retval = octeon_send_command(oct, sc->iq_no, ring_doorbell, &sc->cmd, |
6a885b60 | 2301 | sc, len, ndata->reqtype); |
f21fb3ed | 2302 | |
ddc173a6 | 2303 | if (retval == IQ_SEND_FAILED) { |
f21fb3ed RV |
2304 | dev_err(&oct->pci_dev->dev, "timestamp data packet failed status: %x\n", |
2305 | retval); | |
2306 | octeon_free_soft_command(oct, sc); | |
2307 | } else { | |
2308 | netif_info(lio, tx_queued, lio->netdev, "Queued timestamp packet\n"); | |
2309 | } | |
2310 | ||
2311 | return retval; | |
2312 | } | |
2313 | ||
f21fb3ed RV |
2314 | /** \brief Transmit networks packets to the Octeon interface |
2315 | * @param skbuff skbuff struct to be passed to network layer. | |
2316 | * @param netdev pointer to network device | |
2317 | * @returns whether the packet was transmitted to the device okay or not | |
2318 | * (NETDEV_TX_OK or NETDEV_TX_BUSY) | |
2319 | */ | |
ac1172de | 2320 | static netdev_tx_t liquidio_xmit(struct sk_buff *skb, struct net_device *netdev) |
f21fb3ed RV |
2321 | { |
2322 | struct lio *lio; | |
2323 | struct octnet_buf_free_info *finfo; | |
2324 | union octnic_cmd_setup cmdsetup; | |
2325 | struct octnic_data_pkt ndata; | |
2326 | struct octeon_device *oct; | |
2327 | struct oct_iq_stats *stats; | |
6a885b60 RV |
2328 | struct octeon_instr_irh *irh; |
2329 | union tx_info *tx_info; | |
26236fa9 | 2330 | int status = 0; |
f21fb3ed | 2331 | int q_idx = 0, iq_no = 0; |
c859e21a | 2332 | int j, xmit_more = 0; |
fcd2b5e3 | 2333 | u64 dptr = 0; |
f21fb3ed RV |
2334 | u32 tag = 0; |
2335 | ||
2336 | lio = GET_LIO(netdev); | |
2337 | oct = lio->oct_dev; | |
2338 | ||
c33c9973 | 2339 | q_idx = skb_iq(oct, skb); |
2a2fabaf IB |
2340 | tag = q_idx; |
2341 | iq_no = lio->linfo.txpciq[q_idx].s.q_no; | |
f21fb3ed RV |
2342 | |
2343 | stats = &oct->instr_queue[iq_no]->stats; | |
2344 | ||
2345 | /* Check for all conditions in which the current packet cannot be | |
2346 | * transmitted. | |
2347 | */ | |
2348 | if (!(atomic_read(&lio->ifstate) & LIO_IFSTATE_RUNNING) || | |
0cece6c5 | 2349 | (!lio->linfo.link.s.link_up) || |
f21fb3ed RV |
2350 | (skb->len <= 0)) { |
2351 | netif_info(lio, tx_err, lio->netdev, | |
2352 | "Transmit failed link_status : %d\n", | |
0cece6c5 | 2353 | lio->linfo.link.s.link_up); |
f21fb3ed RV |
2354 | goto lio_xmit_failed; |
2355 | } | |
2356 | ||
2357 | /* Use space in skb->cb to store info used to unmap and | |
2358 | * free the buffers. | |
2359 | */ | |
2360 | finfo = (struct octnet_buf_free_info *)skb->cb; | |
2361 | finfo->lio = lio; | |
2362 | finfo->skb = skb; | |
2363 | finfo->sc = NULL; | |
2364 | ||
2365 | /* Prepare the attributes for the data to be passed to OSI. */ | |
2366 | memset(&ndata, 0, sizeof(struct octnic_data_pkt)); | |
2367 | ||
2368 | ndata.buf = (void *)finfo; | |
2369 | ||
2370 | ndata.q_no = iq_no; | |
2371 | ||
2a2fabaf IB |
2372 | if (octnet_iq_is_full(oct, ndata.q_no)) { |
2373 | /* defer sending if queue is full */ | |
2374 | netif_info(lio, tx_err, lio->netdev, "Transmit failed iq:%d full\n", | |
2375 | ndata.q_no); | |
2376 | stats->tx_iq_busy++; | |
2377 | return NETDEV_TX_BUSY; | |
f21fb3ed | 2378 | } |
2a2fabaf | 2379 | |
f21fb3ed | 2380 | /* pr_info(" XMIT - valid Qs: %d, 1st Q no: %d, cpu: %d, q_no:%d\n", |
a2c64b67 | 2381 | * lio->linfo.num_txpciq, lio->txq, cpu, ndata.q_no); |
f21fb3ed RV |
2382 | */ |
2383 | ||
2384 | ndata.datasize = skb->len; | |
2385 | ||
2386 | cmdsetup.u64 = 0; | |
7275ebfc | 2387 | cmdsetup.s.iq_no = iq_no; |
f21fb3ed | 2388 | |
01fb237a RV |
2389 | if (skb->ip_summed == CHECKSUM_PARTIAL) { |
2390 | if (skb->encapsulation) { | |
2391 | cmdsetup.s.tnl_csum = 1; | |
2392 | stats->tx_vxlan++; | |
2393 | } else { | |
2394 | cmdsetup.s.transport_csum = 1; | |
2395 | } | |
2396 | } | |
f21fb3ed RV |
2397 | if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) { |
2398 | skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; | |
2399 | cmdsetup.s.timestamp = 1; | |
2400 | } | |
2401 | ||
2402 | if (skb_shinfo(skb)->nr_frags == 0) { | |
2403 | cmdsetup.s.u.datasize = skb->len; | |
0cece6c5 | 2404 | octnet_prepare_pci_cmd(oct, &ndata.cmd, &cmdsetup, tag); |
a2c64b67 | 2405 | |
f21fb3ed | 2406 | /* Offload checksum calculation for TCP/UDP packets */ |
6a885b60 RV |
2407 | dptr = dma_map_single(&oct->pci_dev->dev, |
2408 | skb->data, | |
2409 | skb->len, | |
2410 | DMA_TO_DEVICE); | |
2411 | if (dma_mapping_error(&oct->pci_dev->dev, dptr)) { | |
f21fb3ed RV |
2412 | dev_err(&oct->pci_dev->dev, "%s DMA mapping error 1\n", |
2413 | __func__); | |
897ddc24 | 2414 | stats->tx_dmamap_fail++; |
f21fb3ed RV |
2415 | return NETDEV_TX_BUSY; |
2416 | } | |
2417 | ||
5b823514 RV |
2418 | if (OCTEON_CN23XX_PF(oct)) |
2419 | ndata.cmd.cmd3.dptr = dptr; | |
2420 | else | |
2421 | ndata.cmd.cmd2.dptr = dptr; | |
6a885b60 | 2422 | finfo->dptr = dptr; |
f21fb3ed RV |
2423 | ndata.reqtype = REQTYPE_NORESP_NET; |
2424 | ||
2425 | } else { | |
2426 | int i, frags; | |
d7840976 | 2427 | skb_frag_t *frag; |
f21fb3ed RV |
2428 | struct octnic_gather *g; |
2429 | ||
fcd2b5e3 RV |
2430 | spin_lock(&lio->glist_lock[q_idx]); |
2431 | g = (struct octnic_gather *) | |
85a0cd81 | 2432 | lio_list_delete_head(&lio->glist[q_idx]); |
fcd2b5e3 | 2433 | spin_unlock(&lio->glist_lock[q_idx]); |
f21fb3ed RV |
2434 | |
2435 | if (!g) { | |
2436 | netif_info(lio, tx_err, lio->netdev, | |
2437 | "Transmit scatter gather: glist null!\n"); | |
2438 | goto lio_xmit_failed; | |
2439 | } | |
2440 | ||
2441 | cmdsetup.s.gather = 1; | |
2442 | cmdsetup.s.u.gatherptrs = (skb_shinfo(skb)->nr_frags + 1); | |
0cece6c5 | 2443 | octnet_prepare_pci_cmd(oct, &ndata.cmd, &cmdsetup, tag); |
f21fb3ed RV |
2444 | |
2445 | memset(g->sg, 0, g->sg_size); | |
2446 | ||
2447 | g->sg[0].ptr[0] = dma_map_single(&oct->pci_dev->dev, | |
2448 | skb->data, | |
2449 | (skb->len - skb->data_len), | |
2450 | DMA_TO_DEVICE); | |
2451 | if (dma_mapping_error(&oct->pci_dev->dev, g->sg[0].ptr[0])) { | |
2452 | dev_err(&oct->pci_dev->dev, "%s DMA mapping error 2\n", | |
2453 | __func__); | |
897ddc24 | 2454 | stats->tx_dmamap_fail++; |
f21fb3ed RV |
2455 | return NETDEV_TX_BUSY; |
2456 | } | |
2457 | add_sg_size(&g->sg[0], (skb->len - skb->data_len), 0); | |
2458 | ||
2459 | frags = skb_shinfo(skb)->nr_frags; | |
2460 | i = 1; | |
2461 | while (frags--) { | |
2462 | frag = &skb_shinfo(skb)->frags[i - 1]; | |
2463 | ||
2464 | g->sg[(i >> 2)].ptr[(i & 3)] = | |
d7840976 MWO |
2465 | skb_frag_dma_map(&oct->pci_dev->dev, |
2466 | frag, 0, skb_frag_size(frag), | |
2467 | DMA_TO_DEVICE); | |
f21fb3ed | 2468 | |
fcd2b5e3 RV |
2469 | if (dma_mapping_error(&oct->pci_dev->dev, |
2470 | g->sg[i >> 2].ptr[i & 3])) { | |
2471 | dma_unmap_single(&oct->pci_dev->dev, | |
2472 | g->sg[0].ptr[0], | |
2473 | skb->len - skb->data_len, | |
2474 | DMA_TO_DEVICE); | |
2475 | for (j = 1; j < i; j++) { | |
2476 | frag = &skb_shinfo(skb)->frags[j - 1]; | |
2477 | dma_unmap_page(&oct->pci_dev->dev, | |
2478 | g->sg[j >> 2].ptr[j & 3], | |
d7840976 | 2479 | skb_frag_size(frag), |
fcd2b5e3 RV |
2480 | DMA_TO_DEVICE); |
2481 | } | |
2482 | dev_err(&oct->pci_dev->dev, "%s DMA mapping error 3\n", | |
2483 | __func__); | |
2484 | return NETDEV_TX_BUSY; | |
2485 | } | |
2486 | ||
d7840976 MWO |
2487 | add_sg_size(&g->sg[(i >> 2)], skb_frag_size(frag), |
2488 | (i & 3)); | |
f21fb3ed RV |
2489 | i++; |
2490 | } | |
2491 | ||
fcd2b5e3 | 2492 | dptr = g->sg_dma_ptr; |
f21fb3ed | 2493 | |
5b823514 RV |
2494 | if (OCTEON_CN23XX_PF(oct)) |
2495 | ndata.cmd.cmd3.dptr = dptr; | |
2496 | else | |
2497 | ndata.cmd.cmd2.dptr = dptr; | |
6a885b60 | 2498 | finfo->dptr = dptr; |
f21fb3ed RV |
2499 | finfo->g = g; |
2500 | ||
2501 | ndata.reqtype = REQTYPE_NORESP_NET_SG; | |
2502 | } | |
2503 | ||
5b823514 RV |
2504 | if (OCTEON_CN23XX_PF(oct)) { |
2505 | irh = (struct octeon_instr_irh *)&ndata.cmd.cmd3.irh; | |
2506 | tx_info = (union tx_info *)&ndata.cmd.cmd3.ossp[0]; | |
2507 | } else { | |
2508 | irh = (struct octeon_instr_irh *)&ndata.cmd.cmd2.irh; | |
2509 | tx_info = (union tx_info *)&ndata.cmd.cmd2.ossp[0]; | |
2510 | } | |
f21fb3ed | 2511 | |
6a885b60 | 2512 | if (skb_shinfo(skb)->gso_size) { |
f21fb3ed RV |
2513 | tx_info->s.gso_size = skb_shinfo(skb)->gso_size; |
2514 | tx_info->s.gso_segs = skb_shinfo(skb)->gso_segs; | |
1f164717 | 2515 | stats->tx_gso++; |
f21fb3ed | 2516 | } |
1f164717 | 2517 | |
0da0b77c RV |
2518 | /* HW insert VLAN tag */ |
2519 | if (skb_vlan_tag_present(skb)) { | |
2520 | irh->priority = skb_vlan_tag_get(skb) >> 13; | |
2521 | irh->vlan = skb_vlan_tag_get(skb) & 0xfff; | |
2522 | } | |
f21fb3ed | 2523 | |
6b16f9ee | 2524 | xmit_more = netdev_xmit_more(); |
c859e21a | 2525 | |
f21fb3ed | 2526 | if (unlikely(cmdsetup.s.timestamp)) |
c859e21a | 2527 | status = send_nic_timestamp_pkt(oct, &ndata, finfo, xmit_more); |
f21fb3ed | 2528 | else |
c859e21a | 2529 | status = octnet_send_nic_data_pkt(oct, &ndata, xmit_more); |
f21fb3ed RV |
2530 | if (status == IQ_SEND_FAILED) |
2531 | goto lio_xmit_failed; | |
2532 | ||
2533 | netif_info(lio, tx_queued, lio->netdev, "Transmit queued successfully\n"); | |
2534 | ||
2535 | if (status == IQ_SEND_STOP) | |
78a202f0 | 2536 | netif_stop_subqueue(netdev, q_idx); |
f21fb3ed | 2537 | |
860e9538 | 2538 | netif_trans_update(netdev); |
f21fb3ed | 2539 | |
80c8eae6 SB |
2540 | if (tx_info->s.gso_segs) |
2541 | stats->tx_done += tx_info->s.gso_segs; | |
1f164717 RV |
2542 | else |
2543 | stats->tx_done++; | |
80c8eae6 | 2544 | stats->tx_tot_bytes += ndata.datasize; |
f21fb3ed RV |
2545 | |
2546 | return NETDEV_TX_OK; | |
2547 | ||
2548 | lio_xmit_failed: | |
2549 | stats->tx_dropped++; | |
2550 | netif_info(lio, tx_err, lio->netdev, "IQ%d Transmit dropped:%llu\n", | |
2551 | iq_no, stats->tx_dropped); | |
6a885b60 RV |
2552 | if (dptr) |
2553 | dma_unmap_single(&oct->pci_dev->dev, dptr, | |
2554 | ndata.datasize, DMA_TO_DEVICE); | |
c859e21a IB |
2555 | |
2556 | octeon_ring_doorbell_locked(oct, iq_no); | |
2557 | ||
cabeb13b | 2558 | tx_buffer_free(skb); |
f21fb3ed RV |
2559 | return NETDEV_TX_OK; |
2560 | } | |
2561 | ||
2562 | /** \brief Network device Tx timeout | |
2563 | * @param netdev pointer to network device | |
2564 | */ | |
0290bd29 | 2565 | static void liquidio_tx_timeout(struct net_device *netdev, unsigned int txqueue) |
f21fb3ed RV |
2566 | { |
2567 | struct lio *lio; | |
2568 | ||
2569 | lio = GET_LIO(netdev); | |
2570 | ||
2571 | netif_info(lio, tx_err, lio->netdev, | |
2572 | "Transmit timeout tx_dropped:%ld, waking up queues now!!\n", | |
2573 | netdev->stats.tx_dropped); | |
860e9538 | 2574 | netif_trans_update(netdev); |
a96d8ad3 | 2575 | wake_txqs(netdev); |
f21fb3ed RV |
2576 | } |
2577 | ||
63245f25 RV |
2578 | static int liquidio_vlan_rx_add_vid(struct net_device *netdev, |
2579 | __be16 proto __attribute__((unused)), | |
2580 | u16 vid) | |
2581 | { | |
2582 | struct lio *lio = GET_LIO(netdev); | |
2583 | struct octeon_device *oct = lio->oct_dev; | |
2584 | struct octnic_ctrl_pkt nctrl; | |
2585 | int ret = 0; | |
2586 | ||
2587 | memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); | |
2588 | ||
2589 | nctrl.ncmd.u64 = 0; | |
2590 | nctrl.ncmd.s.cmd = OCTNET_CMD_ADD_VLAN_FILTER; | |
2591 | nctrl.ncmd.s.param1 = vid; | |
2592 | nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; | |
63245f25 RV |
2593 | nctrl.netpndev = (u64)netdev; |
2594 | nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; | |
2595 | ||
2596 | ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); | |
edd572d7 | 2597 | if (ret) { |
63245f25 RV |
2598 | dev_err(&oct->pci_dev->dev, "Add VLAN filter failed in core (ret: 0x%x)\n", |
2599 | ret); | |
edd572d7 FM |
2600 | if (ret > 0) |
2601 | ret = -EIO; | |
63245f25 RV |
2602 | } |
2603 | ||
2604 | return ret; | |
2605 | } | |
2606 | ||
2607 | static int liquidio_vlan_rx_kill_vid(struct net_device *netdev, | |
2608 | __be16 proto __attribute__((unused)), | |
2609 | u16 vid) | |
2610 | { | |
2611 | struct lio *lio = GET_LIO(netdev); | |
2612 | struct octeon_device *oct = lio->oct_dev; | |
2613 | struct octnic_ctrl_pkt nctrl; | |
2614 | int ret = 0; | |
2615 | ||
2616 | memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); | |
2617 | ||
2618 | nctrl.ncmd.u64 = 0; | |
2619 | nctrl.ncmd.s.cmd = OCTNET_CMD_DEL_VLAN_FILTER; | |
2620 | nctrl.ncmd.s.param1 = vid; | |
2621 | nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; | |
63245f25 RV |
2622 | nctrl.netpndev = (u64)netdev; |
2623 | nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; | |
2624 | ||
2625 | ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); | |
edd572d7 | 2626 | if (ret) { |
fcaccc82 | 2627 | dev_err(&oct->pci_dev->dev, "Del VLAN filter failed in core (ret: 0x%x)\n", |
63245f25 | 2628 | ret); |
edd572d7 FM |
2629 | if (ret > 0) |
2630 | ret = -EIO; | |
63245f25 RV |
2631 | } |
2632 | return ret; | |
2633 | } | |
2634 | ||
01fb237a RV |
2635 | /** Sending command to enable/disable RX checksum offload |
2636 | * @param netdev pointer to network device | |
2637 | * @param command OCTNET_CMD_TNL_RX_CSUM_CTL | |
2638 | * @param rx_cmd_bit OCTNET_CMD_RXCSUM_ENABLE/ | |
2639 | * OCTNET_CMD_RXCSUM_DISABLE | |
2640 | * @returns SUCCESS or FAILURE | |
2641 | */ | |
c41419b0 NMG |
2642 | static int liquidio_set_rxcsum_command(struct net_device *netdev, int command, |
2643 | u8 rx_cmd) | |
01fb237a RV |
2644 | { |
2645 | struct lio *lio = GET_LIO(netdev); | |
2646 | struct octeon_device *oct = lio->oct_dev; | |
2647 | struct octnic_ctrl_pkt nctrl; | |
2648 | int ret = 0; | |
2649 | ||
0c264588 FM |
2650 | memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); |
2651 | ||
01fb237a RV |
2652 | nctrl.ncmd.u64 = 0; |
2653 | nctrl.ncmd.s.cmd = command; | |
2654 | nctrl.ncmd.s.param1 = rx_cmd; | |
2655 | nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; | |
01fb237a RV |
2656 | nctrl.netpndev = (u64)netdev; |
2657 | nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; | |
2658 | ||
2659 | ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); | |
edd572d7 | 2660 | if (ret) { |
01fb237a RV |
2661 | dev_err(&oct->pci_dev->dev, |
2662 | "DEVFLAGS RXCSUM change failed in core(ret:0x%x)\n", | |
2663 | ret); | |
edd572d7 FM |
2664 | if (ret > 0) |
2665 | ret = -EIO; | |
01fb237a RV |
2666 | } |
2667 | return ret; | |
2668 | } | |
2669 | ||
2670 | /** Sending command to add/delete VxLAN UDP port to firmware | |
2671 | * @param netdev pointer to network device | |
2672 | * @param command OCTNET_CMD_VXLAN_PORT_CONFIG | |
2673 | * @param vxlan_port VxLAN port to be added or deleted | |
2674 | * @param vxlan_cmd_bit OCTNET_CMD_VXLAN_PORT_ADD, | |
2675 | * OCTNET_CMD_VXLAN_PORT_DEL | |
2676 | * @returns SUCCESS or FAILURE | |
2677 | */ | |
2678 | static int liquidio_vxlan_port_command(struct net_device *netdev, int command, | |
2679 | u16 vxlan_port, u8 vxlan_cmd_bit) | |
2680 | { | |
2681 | struct lio *lio = GET_LIO(netdev); | |
2682 | struct octeon_device *oct = lio->oct_dev; | |
2683 | struct octnic_ctrl_pkt nctrl; | |
2684 | int ret = 0; | |
2685 | ||
0c264588 FM |
2686 | memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); |
2687 | ||
01fb237a RV |
2688 | nctrl.ncmd.u64 = 0; |
2689 | nctrl.ncmd.s.cmd = command; | |
2690 | nctrl.ncmd.s.more = vxlan_cmd_bit; | |
2691 | nctrl.ncmd.s.param1 = vxlan_port; | |
2692 | nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; | |
01fb237a RV |
2693 | nctrl.netpndev = (u64)netdev; |
2694 | nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; | |
2695 | ||
2696 | ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); | |
edd572d7 | 2697 | if (ret) { |
01fb237a RV |
2698 | dev_err(&oct->pci_dev->dev, |
2699 | "VxLAN port add/delete failed in core (ret:0x%x)\n", | |
2700 | ret); | |
edd572d7 FM |
2701 | if (ret > 0) |
2702 | ret = -EIO; | |
01fb237a RV |
2703 | } |
2704 | return ret; | |
2705 | } | |
2706 | ||
f21fb3ed RV |
2707 | /** \brief Net device fix features |
2708 | * @param netdev pointer to network device | |
2709 | * @param request features requested | |
2710 | * @returns updated features list | |
2711 | */ | |
2712 | static netdev_features_t liquidio_fix_features(struct net_device *netdev, | |
2713 | netdev_features_t request) | |
2714 | { | |
2715 | struct lio *lio = netdev_priv(netdev); | |
2716 | ||
2717 | if ((request & NETIF_F_RXCSUM) && | |
2718 | !(lio->dev_capability & NETIF_F_RXCSUM)) | |
2719 | request &= ~NETIF_F_RXCSUM; | |
2720 | ||
2721 | if ((request & NETIF_F_HW_CSUM) && | |
2722 | !(lio->dev_capability & NETIF_F_HW_CSUM)) | |
2723 | request &= ~NETIF_F_HW_CSUM; | |
2724 | ||
2725 | if ((request & NETIF_F_TSO) && !(lio->dev_capability & NETIF_F_TSO)) | |
2726 | request &= ~NETIF_F_TSO; | |
2727 | ||
2728 | if ((request & NETIF_F_TSO6) && !(lio->dev_capability & NETIF_F_TSO6)) | |
2729 | request &= ~NETIF_F_TSO6; | |
2730 | ||
2731 | if ((request & NETIF_F_LRO) && !(lio->dev_capability & NETIF_F_LRO)) | |
2732 | request &= ~NETIF_F_LRO; | |
2733 | ||
2734 | /*Disable LRO if RXCSUM is off */ | |
2735 | if (!(request & NETIF_F_RXCSUM) && (netdev->features & NETIF_F_LRO) && | |
2736 | (lio->dev_capability & NETIF_F_LRO)) | |
2737 | request &= ~NETIF_F_LRO; | |
2738 | ||
836d57e5 PK |
2739 | if ((request & NETIF_F_HW_VLAN_CTAG_FILTER) && |
2740 | !(lio->dev_capability & NETIF_F_HW_VLAN_CTAG_FILTER)) | |
2741 | request &= ~NETIF_F_HW_VLAN_CTAG_FILTER; | |
2742 | ||
f21fb3ed RV |
2743 | return request; |
2744 | } | |
2745 | ||
2746 | /** \brief Net device set features | |
2747 | * @param netdev pointer to network device | |
2748 | * @param features features to enable/disable | |
2749 | */ | |
2750 | static int liquidio_set_features(struct net_device *netdev, | |
2751 | netdev_features_t features) | |
2752 | { | |
2753 | struct lio *lio = netdev_priv(netdev); | |
2754 | ||
836d57e5 PK |
2755 | if ((features & NETIF_F_LRO) && |
2756 | (lio->dev_capability & NETIF_F_LRO) && | |
2757 | !(netdev->features & NETIF_F_LRO)) | |
0cece6c5 RV |
2758 | liquidio_set_feature(netdev, OCTNET_CMD_LRO_ENABLE, |
2759 | OCTNIC_LROIPV4 | OCTNIC_LROIPV6); | |
f21fb3ed | 2760 | else if (!(features & NETIF_F_LRO) && |
836d57e5 PK |
2761 | (lio->dev_capability & NETIF_F_LRO) && |
2762 | (netdev->features & NETIF_F_LRO)) | |
0cece6c5 RV |
2763 | liquidio_set_feature(netdev, OCTNET_CMD_LRO_DISABLE, |
2764 | OCTNIC_LROIPV4 | OCTNIC_LROIPV6); | |
f21fb3ed | 2765 | |
01fb237a RV |
2766 | /* Sending command to firmware to enable/disable RX checksum |
2767 | * offload settings using ethtool | |
2768 | */ | |
2769 | if (!(netdev->features & NETIF_F_RXCSUM) && | |
2770 | (lio->enc_dev_capability & NETIF_F_RXCSUM) && | |
2771 | (features & NETIF_F_RXCSUM)) | |
2772 | liquidio_set_rxcsum_command(netdev, | |
2773 | OCTNET_CMD_TNL_RX_CSUM_CTL, | |
2774 | OCTNET_CMD_RXCSUM_ENABLE); | |
2775 | else if ((netdev->features & NETIF_F_RXCSUM) && | |
2776 | (lio->enc_dev_capability & NETIF_F_RXCSUM) && | |
2777 | !(features & NETIF_F_RXCSUM)) | |
2778 | liquidio_set_rxcsum_command(netdev, OCTNET_CMD_TNL_RX_CSUM_CTL, | |
2779 | OCTNET_CMD_RXCSUM_DISABLE); | |
2780 | ||
836d57e5 PK |
2781 | if ((features & NETIF_F_HW_VLAN_CTAG_FILTER) && |
2782 | (lio->dev_capability & NETIF_F_HW_VLAN_CTAG_FILTER) && | |
2783 | !(netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) | |
2784 | liquidio_set_feature(netdev, OCTNET_CMD_VLAN_FILTER_CTL, | |
2785 | OCTNET_CMD_VLAN_FILTER_ENABLE); | |
2786 | else if (!(features & NETIF_F_HW_VLAN_CTAG_FILTER) && | |
2787 | (lio->dev_capability & NETIF_F_HW_VLAN_CTAG_FILTER) && | |
2788 | (netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) | |
2789 | liquidio_set_feature(netdev, OCTNET_CMD_VLAN_FILTER_CTL, | |
2790 | OCTNET_CMD_VLAN_FILTER_DISABLE); | |
2791 | ||
f21fb3ed RV |
2792 | return 0; |
2793 | } | |
2794 | ||
01fb237a RV |
2795 | static void liquidio_add_vxlan_port(struct net_device *netdev, |
2796 | struct udp_tunnel_info *ti) | |
2797 | { | |
2798 | if (ti->type != UDP_TUNNEL_TYPE_VXLAN) | |
2799 | return; | |
2800 | ||
2801 | liquidio_vxlan_port_command(netdev, | |
2802 | OCTNET_CMD_VXLAN_PORT_CONFIG, | |
2803 | htons(ti->port), | |
2804 | OCTNET_CMD_VXLAN_PORT_ADD); | |
2805 | } | |
2806 | ||
2807 | static void liquidio_del_vxlan_port(struct net_device *netdev, | |
2808 | struct udp_tunnel_info *ti) | |
2809 | { | |
2810 | if (ti->type != UDP_TUNNEL_TYPE_VXLAN) | |
2811 | return; | |
2812 | ||
2813 | liquidio_vxlan_port_command(netdev, | |
2814 | OCTNET_CMD_VXLAN_PORT_CONFIG, | |
2815 | htons(ti->port), | |
2816 | OCTNET_CMD_VXLAN_PORT_DEL); | |
2817 | } | |
2818 | ||
86dea55b RV |
2819 | static int __liquidio_set_vf_mac(struct net_device *netdev, int vfidx, |
2820 | u8 *mac, bool is_admin_assigned) | |
2821 | { | |
2822 | struct lio *lio = GET_LIO(netdev); | |
2823 | struct octeon_device *oct = lio->oct_dev; | |
2824 | struct octnic_ctrl_pkt nctrl; | |
edd572d7 | 2825 | int ret = 0; |
86dea55b RV |
2826 | |
2827 | if (!is_valid_ether_addr(mac)) | |
2828 | return -EINVAL; | |
2829 | ||
2830 | if (vfidx < 0 || vfidx >= oct->sriov_info.max_vfs) | |
2831 | return -EINVAL; | |
2832 | ||
2833 | memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); | |
2834 | ||
2835 | nctrl.ncmd.u64 = 0; | |
2836 | nctrl.ncmd.s.cmd = OCTNET_CMD_CHANGE_MACADDR; | |
2837 | /* vfidx is 0 based, but vf_num (param1) is 1 based */ | |
2838 | nctrl.ncmd.s.param1 = vfidx + 1; | |
86dea55b RV |
2839 | nctrl.ncmd.s.more = 1; |
2840 | nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; | |
9549c6c8 | 2841 | nctrl.netpndev = (u64)netdev; |
edd572d7 FM |
2842 | if (is_admin_assigned) { |
2843 | nctrl.ncmd.s.param2 = true; | |
2844 | nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; | |
2845 | } | |
86dea55b RV |
2846 | |
2847 | nctrl.udd[0] = 0; | |
2848 | /* The MAC Address is presented in network byte order. */ | |
2849 | ether_addr_copy((u8 *)&nctrl.udd[0] + 2, mac); | |
2850 | ||
2851 | oct->sriov_info.vf_macaddr[vfidx] = nctrl.udd[0]; | |
2852 | ||
edd572d7 FM |
2853 | ret = octnet_send_nic_ctrl_pkt(oct, &nctrl); |
2854 | if (ret > 0) | |
2855 | ret = -EIO; | |
86dea55b | 2856 | |
edd572d7 | 2857 | return ret; |
86dea55b RV |
2858 | } |
2859 | ||
2860 | static int liquidio_set_vf_mac(struct net_device *netdev, int vfidx, u8 *mac) | |
2861 | { | |
2862 | struct lio *lio = GET_LIO(netdev); | |
2863 | struct octeon_device *oct = lio->oct_dev; | |
2864 | int retval; | |
2865 | ||
0d9a5997 FM |
2866 | if (vfidx < 0 || vfidx >= oct->sriov_info.num_vfs_alloced) |
2867 | return -EINVAL; | |
2868 | ||
86dea55b RV |
2869 | retval = __liquidio_set_vf_mac(netdev, vfidx, mac, true); |
2870 | if (!retval) | |
2871 | cn23xx_tell_vf_its_macaddr_changed(oct, vfidx, mac); | |
2872 | ||
2873 | return retval; | |
2874 | } | |
2875 | ||
48875222 WC |
2876 | static int liquidio_set_vf_spoofchk(struct net_device *netdev, int vfidx, |
2877 | bool enable) | |
2878 | { | |
2879 | struct lio *lio = GET_LIO(netdev); | |
2880 | struct octeon_device *oct = lio->oct_dev; | |
2881 | struct octnic_ctrl_pkt nctrl; | |
2882 | int retval; | |
2883 | ||
2884 | if (!(oct->fw_info.app_cap_flags & LIQUIDIO_SPOOFCHK_CAP)) { | |
2885 | netif_info(lio, drv, lio->netdev, | |
2886 | "firmware does not support spoofchk\n"); | |
2887 | return -EOPNOTSUPP; | |
2888 | } | |
2889 | ||
2890 | if (vfidx < 0 || vfidx >= oct->sriov_info.num_vfs_alloced) { | |
2891 | netif_info(lio, drv, lio->netdev, "Invalid vfidx %d\n", vfidx); | |
2892 | return -EINVAL; | |
2893 | } | |
2894 | ||
2895 | if (enable) { | |
2896 | if (oct->sriov_info.vf_spoofchk[vfidx]) | |
2897 | return 0; | |
2898 | } else { | |
2899 | /* Clear */ | |
2900 | if (!oct->sriov_info.vf_spoofchk[vfidx]) | |
2901 | return 0; | |
2902 | } | |
2903 | ||
2904 | memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); | |
2905 | nctrl.ncmd.s.cmdgroup = OCTNET_CMD_GROUP1; | |
2906 | nctrl.ncmd.s.cmd = OCTNET_CMD_SET_VF_SPOOFCHK; | |
2907 | nctrl.ncmd.s.param1 = | |
2908 | vfidx + 1; /* vfidx is 0 based, | |
2909 | * but vf_num (param1) is 1 based | |
2910 | */ | |
2911 | nctrl.ncmd.s.param2 = enable; | |
2912 | nctrl.ncmd.s.more = 0; | |
2913 | nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; | |
bf9d787b | 2914 | nctrl.cb_fn = NULL; |
48875222 WC |
2915 | |
2916 | retval = octnet_send_nic_ctrl_pkt(oct, &nctrl); | |
2917 | ||
2918 | if (retval) { | |
2919 | netif_info(lio, drv, lio->netdev, | |
2920 | "Failed to set VF %d spoofchk %s\n", vfidx, | |
2921 | enable ? "on" : "off"); | |
2922 | return -1; | |
2923 | } | |
2924 | ||
2925 | oct->sriov_info.vf_spoofchk[vfidx] = enable; | |
2926 | netif_info(lio, drv, lio->netdev, "VF %u spoofchk is %s\n", vfidx, | |
2927 | enable ? "on" : "off"); | |
2928 | ||
2929 | return 0; | |
2930 | } | |
2931 | ||
86dea55b RV |
2932 | static int liquidio_set_vf_vlan(struct net_device *netdev, int vfidx, |
2933 | u16 vlan, u8 qos, __be16 vlan_proto) | |
2934 | { | |
2935 | struct lio *lio = GET_LIO(netdev); | |
2936 | struct octeon_device *oct = lio->oct_dev; | |
2937 | struct octnic_ctrl_pkt nctrl; | |
2938 | u16 vlantci; | |
edd572d7 | 2939 | int ret = 0; |
86dea55b RV |
2940 | |
2941 | if (vfidx < 0 || vfidx >= oct->sriov_info.num_vfs_alloced) | |
2942 | return -EINVAL; | |
2943 | ||
2944 | if (vlan_proto != htons(ETH_P_8021Q)) | |
2945 | return -EPROTONOSUPPORT; | |
2946 | ||
2947 | if (vlan >= VLAN_N_VID || qos > 7) | |
2948 | return -EINVAL; | |
2949 | ||
2950 | if (vlan) | |
2951 | vlantci = vlan | (u16)qos << VLAN_PRIO_SHIFT; | |
2952 | else | |
2953 | vlantci = 0; | |
2954 | ||
2955 | if (oct->sriov_info.vf_vlantci[vfidx] == vlantci) | |
2956 | return 0; | |
2957 | ||
2958 | memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); | |
2959 | ||
2960 | if (vlan) | |
2961 | nctrl.ncmd.s.cmd = OCTNET_CMD_ADD_VLAN_FILTER; | |
2962 | else | |
2963 | nctrl.ncmd.s.cmd = OCTNET_CMD_DEL_VLAN_FILTER; | |
2964 | ||
2965 | nctrl.ncmd.s.param1 = vlantci; | |
2966 | nctrl.ncmd.s.param2 = | |
2967 | vfidx + 1; /* vfidx is 0 based, but vf_num (param2) is 1 based */ | |
2968 | nctrl.ncmd.s.more = 0; | |
2969 | nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; | |
bf20a5c1 | 2970 | nctrl.cb_fn = NULL; |
86dea55b | 2971 | |
edd572d7 FM |
2972 | ret = octnet_send_nic_ctrl_pkt(oct, &nctrl); |
2973 | if (ret) { | |
2974 | if (ret > 0) | |
2975 | ret = -EIO; | |
2976 | return ret; | |
2977 | } | |
86dea55b RV |
2978 | |
2979 | oct->sriov_info.vf_vlantci[vfidx] = vlantci; | |
2980 | ||
edd572d7 | 2981 | return ret; |
86dea55b RV |
2982 | } |
2983 | ||
2984 | static int liquidio_get_vf_config(struct net_device *netdev, int vfidx, | |
2985 | struct ifla_vf_info *ivi) | |
2986 | { | |
2987 | struct lio *lio = GET_LIO(netdev); | |
2988 | struct octeon_device *oct = lio->oct_dev; | |
2989 | u8 *macaddr; | |
2990 | ||
2991 | if (vfidx < 0 || vfidx >= oct->sriov_info.num_vfs_alloced) | |
2992 | return -EINVAL; | |
2993 | ||
48875222 WC |
2994 | memset(ivi, 0, sizeof(struct ifla_vf_info)); |
2995 | ||
86dea55b RV |
2996 | ivi->vf = vfidx; |
2997 | macaddr = 2 + (u8 *)&oct->sriov_info.vf_macaddr[vfidx]; | |
2998 | ether_addr_copy(&ivi->mac[0], macaddr); | |
2999 | ivi->vlan = oct->sriov_info.vf_vlantci[vfidx] & VLAN_VID_MASK; | |
3000 | ivi->qos = oct->sriov_info.vf_vlantci[vfidx] >> VLAN_PRIO_SHIFT; | |
f2d254fa IB |
3001 | if (oct->sriov_info.trusted_vf.active && |
3002 | oct->sriov_info.trusted_vf.id == vfidx) | |
3003 | ivi->trusted = true; | |
3004 | else | |
3005 | ivi->trusted = false; | |
86dea55b | 3006 | ivi->linkstate = oct->sriov_info.vf_linkstate[vfidx]; |
48875222 WC |
3007 | ivi->spoofchk = oct->sriov_info.vf_spoofchk[vfidx]; |
3008 | ivi->max_tx_rate = lio->linfo.link.s.speed; | |
3009 | ivi->min_tx_rate = 0; | |
3010 | ||
86dea55b RV |
3011 | return 0; |
3012 | } | |
3013 | ||
f2d254fa IB |
3014 | static int liquidio_send_vf_trust_cmd(struct lio *lio, int vfidx, bool trusted) |
3015 | { | |
3016 | struct octeon_device *oct = lio->oct_dev; | |
f2d254fa | 3017 | struct octeon_soft_command *sc; |
6870957e | 3018 | int retval; |
f2d254fa | 3019 | |
6870957e FM |
3020 | sc = octeon_alloc_soft_command(oct, 0, 16, 0); |
3021 | if (!sc) | |
3022 | return -ENOMEM; | |
f2d254fa IB |
3023 | |
3024 | sc->iq_no = lio->linfo.txpciq[0].s.q_no; | |
3025 | ||
3026 | /* vfidx is 0 based, but vf_num (param1) is 1 based */ | |
3027 | octeon_prepare_soft_command(oct, sc, OPCODE_NIC, | |
3028 | OPCODE_NIC_SET_TRUSTED_VF, 0, vfidx + 1, | |
3029 | trusted); | |
3030 | ||
6870957e FM |
3031 | init_completion(&sc->complete); |
3032 | sc->sc_status = OCTEON_REQUEST_PENDING; | |
f2d254fa IB |
3033 | |
3034 | retval = octeon_send_soft_command(oct, sc); | |
3035 | if (retval == IQ_SEND_FAILED) { | |
6870957e | 3036 | octeon_free_soft_command(oct, sc); |
f2d254fa IB |
3037 | retval = -1; |
3038 | } else { | |
3039 | /* Wait for response or timeout */ | |
6870957e FM |
3040 | retval = wait_for_sc_completion_timeout(oct, sc, 0); |
3041 | if (retval) | |
3042 | return (retval); | |
f2d254fa | 3043 | |
6870957e FM |
3044 | WRITE_ONCE(sc->caller_is_done, true); |
3045 | } | |
f2d254fa IB |
3046 | |
3047 | return retval; | |
3048 | } | |
3049 | ||
3050 | static int liquidio_set_vf_trust(struct net_device *netdev, int vfidx, | |
3051 | bool setting) | |
3052 | { | |
3053 | struct lio *lio = GET_LIO(netdev); | |
3054 | struct octeon_device *oct = lio->oct_dev; | |
3055 | ||
3056 | if (strcmp(oct->fw_info.liquidio_firmware_version, "1.7.1") < 0) { | |
3057 | /* trusted vf is not supported by firmware older than 1.7.1 */ | |
3058 | return -EOPNOTSUPP; | |
3059 | } | |
3060 | ||
3061 | if (vfidx < 0 || vfidx >= oct->sriov_info.num_vfs_alloced) { | |
3062 | netif_info(lio, drv, lio->netdev, "Invalid vfidx %d\n", vfidx); | |
3063 | return -EINVAL; | |
3064 | } | |
3065 | ||
3066 | if (setting) { | |
3067 | /* Set */ | |
3068 | ||
3069 | if (oct->sriov_info.trusted_vf.active && | |
3070 | oct->sriov_info.trusted_vf.id == vfidx) | |
3071 | return 0; | |
3072 | ||
3073 | if (oct->sriov_info.trusted_vf.active) { | |
3074 | netif_info(lio, drv, lio->netdev, "More than one trusted VF is not allowed\n"); | |
3075 | return -EPERM; | |
3076 | } | |
3077 | } else { | |
3078 | /* Clear */ | |
3079 | ||
3080 | if (!oct->sriov_info.trusted_vf.active) | |
3081 | return 0; | |
3082 | } | |
3083 | ||
3084 | if (!liquidio_send_vf_trust_cmd(lio, vfidx, setting)) { | |
3085 | if (setting) { | |
3086 | oct->sriov_info.trusted_vf.id = vfidx; | |
3087 | oct->sriov_info.trusted_vf.active = true; | |
3088 | } else { | |
3089 | oct->sriov_info.trusted_vf.active = false; | |
3090 | } | |
3091 | ||
3092 | netif_info(lio, drv, lio->netdev, "VF %u is %strusted\n", vfidx, | |
3093 | setting ? "" : "not "); | |
3094 | } else { | |
3095 | netif_info(lio, drv, lio->netdev, "Failed to set VF trusted\n"); | |
3096 | return -1; | |
3097 | } | |
3098 | ||
3099 | return 0; | |
3100 | } | |
3101 | ||
86dea55b RV |
3102 | static int liquidio_set_vf_link_state(struct net_device *netdev, int vfidx, |
3103 | int linkstate) | |
3104 | { | |
3105 | struct lio *lio = GET_LIO(netdev); | |
3106 | struct octeon_device *oct = lio->oct_dev; | |
3107 | struct octnic_ctrl_pkt nctrl; | |
edd572d7 | 3108 | int ret = 0; |
86dea55b RV |
3109 | |
3110 | if (vfidx < 0 || vfidx >= oct->sriov_info.num_vfs_alloced) | |
3111 | return -EINVAL; | |
3112 | ||
3113 | if (oct->sriov_info.vf_linkstate[vfidx] == linkstate) | |
3114 | return 0; | |
3115 | ||
3116 | memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); | |
3117 | nctrl.ncmd.s.cmd = OCTNET_CMD_SET_VF_LINKSTATE; | |
3118 | nctrl.ncmd.s.param1 = | |
3119 | vfidx + 1; /* vfidx is 0 based, but vf_num (param1) is 1 based */ | |
3120 | nctrl.ncmd.s.param2 = linkstate; | |
3121 | nctrl.ncmd.s.more = 0; | |
3122 | nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; | |
bf20a5c1 | 3123 | nctrl.cb_fn = NULL; |
86dea55b | 3124 | |
edd572d7 | 3125 | ret = octnet_send_nic_ctrl_pkt(oct, &nctrl); |
86dea55b | 3126 | |
edd572d7 FM |
3127 | if (!ret) |
3128 | oct->sriov_info.vf_linkstate[vfidx] = linkstate; | |
3129 | else if (ret > 0) | |
3130 | ret = -EIO; | |
86dea55b | 3131 | |
edd572d7 | 3132 | return ret; |
86dea55b RV |
3133 | } |
3134 | ||
d4be8ebe VMG |
3135 | static int |
3136 | liquidio_eswitch_mode_get(struct devlink *devlink, u16 *mode) | |
3137 | { | |
3138 | struct lio_devlink_priv *priv; | |
3139 | struct octeon_device *oct; | |
3140 | ||
3141 | priv = devlink_priv(devlink); | |
3142 | oct = priv->oct; | |
3143 | ||
3144 | *mode = oct->eswitch_mode; | |
3145 | ||
3146 | return 0; | |
3147 | } | |
3148 | ||
3149 | static int | |
db7ff19e EB |
3150 | liquidio_eswitch_mode_set(struct devlink *devlink, u16 mode, |
3151 | struct netlink_ext_ack *extack) | |
d4be8ebe VMG |
3152 | { |
3153 | struct lio_devlink_priv *priv; | |
3154 | struct octeon_device *oct; | |
3155 | int ret = 0; | |
3156 | ||
3157 | priv = devlink_priv(devlink); | |
3158 | oct = priv->oct; | |
3159 | ||
3160 | if (!(oct->fw_info.app_cap_flags & LIQUIDIO_SWITCHDEV_CAP)) | |
3161 | return -EINVAL; | |
3162 | ||
3163 | if (oct->eswitch_mode == mode) | |
3164 | return 0; | |
3165 | ||
3166 | switch (mode) { | |
3167 | case DEVLINK_ESWITCH_MODE_SWITCHDEV: | |
3168 | oct->eswitch_mode = mode; | |
3169 | ret = lio_vf_rep_create(oct); | |
3170 | break; | |
3171 | ||
3172 | case DEVLINK_ESWITCH_MODE_LEGACY: | |
3173 | lio_vf_rep_destroy(oct); | |
3174 | oct->eswitch_mode = mode; | |
3175 | break; | |
3176 | ||
3177 | default: | |
3178 | ret = -EINVAL; | |
3179 | } | |
3180 | ||
3181 | return ret; | |
3182 | } | |
3183 | ||
3184 | static const struct devlink_ops liquidio_devlink_ops = { | |
3185 | .eswitch_mode_get = liquidio_eswitch_mode_get, | |
3186 | .eswitch_mode_set = liquidio_eswitch_mode_set, | |
3187 | }; | |
3188 | ||
1f233f32 | 3189 | static int |
c4bf2450 FF |
3190 | liquidio_get_port_parent_id(struct net_device *dev, |
3191 | struct netdev_phys_item_id *ppid) | |
1f233f32 VMG |
3192 | { |
3193 | struct lio *lio = GET_LIO(dev); | |
d4be8ebe VMG |
3194 | struct octeon_device *oct = lio->oct_dev; |
3195 | ||
3196 | if (oct->eswitch_mode != DEVLINK_ESWITCH_MODE_SWITCHDEV) | |
3197 | return -EOPNOTSUPP; | |
1f233f32 | 3198 | |
c4bf2450 FF |
3199 | ppid->id_len = ETH_ALEN; |
3200 | ether_addr_copy(ppid->id, (void *)&lio->linfo.hw_addr + 2); | |
1f233f32 VMG |
3201 | |
3202 | return 0; | |
3203 | } | |
3204 | ||
cea395ac IB |
3205 | static int liquidio_get_vf_stats(struct net_device *netdev, int vfidx, |
3206 | struct ifla_vf_stats *vf_stats) | |
3207 | { | |
3208 | struct lio *lio = GET_LIO(netdev); | |
3209 | struct octeon_device *oct = lio->oct_dev; | |
3210 | struct oct_vf_stats stats; | |
3211 | int ret; | |
3212 | ||
3213 | if (vfidx < 0 || vfidx >= oct->sriov_info.num_vfs_alloced) | |
3214 | return -EINVAL; | |
3215 | ||
3216 | memset(&stats, 0, sizeof(struct oct_vf_stats)); | |
3217 | ret = cn23xx_get_vf_stats(oct, vfidx, &stats); | |
3218 | if (!ret) { | |
3219 | vf_stats->rx_packets = stats.rx_packets; | |
3220 | vf_stats->tx_packets = stats.tx_packets; | |
3221 | vf_stats->rx_bytes = stats.rx_bytes; | |
3222 | vf_stats->tx_bytes = stats.tx_bytes; | |
3223 | vf_stats->broadcast = stats.broadcast; | |
3224 | vf_stats->multicast = stats.multicast; | |
3225 | } | |
3226 | ||
3227 | return ret; | |
3228 | } | |
3229 | ||
97a25326 | 3230 | static const struct net_device_ops lionetdevops = { |
f21fb3ed RV |
3231 | .ndo_open = liquidio_open, |
3232 | .ndo_stop = liquidio_stop, | |
3233 | .ndo_start_xmit = liquidio_xmit, | |
80002347 | 3234 | .ndo_get_stats64 = liquidio_get_stats64, |
f21fb3ed RV |
3235 | .ndo_set_mac_address = liquidio_set_mac, |
3236 | .ndo_set_rx_mode = liquidio_set_mcast_list, | |
3237 | .ndo_tx_timeout = liquidio_tx_timeout, | |
63245f25 RV |
3238 | |
3239 | .ndo_vlan_rx_add_vid = liquidio_vlan_rx_add_vid, | |
3240 | .ndo_vlan_rx_kill_vid = liquidio_vlan_rx_kill_vid, | |
f21fb3ed RV |
3241 | .ndo_change_mtu = liquidio_change_mtu, |
3242 | .ndo_do_ioctl = liquidio_ioctl, | |
3243 | .ndo_fix_features = liquidio_fix_features, | |
3244 | .ndo_set_features = liquidio_set_features, | |
01fb237a RV |
3245 | .ndo_udp_tunnel_add = liquidio_add_vxlan_port, |
3246 | .ndo_udp_tunnel_del = liquidio_del_vxlan_port, | |
86dea55b RV |
3247 | .ndo_set_vf_mac = liquidio_set_vf_mac, |
3248 | .ndo_set_vf_vlan = liquidio_set_vf_vlan, | |
3249 | .ndo_get_vf_config = liquidio_get_vf_config, | |
48875222 | 3250 | .ndo_set_vf_spoofchk = liquidio_set_vf_spoofchk, |
f2d254fa | 3251 | .ndo_set_vf_trust = liquidio_set_vf_trust, |
86dea55b | 3252 | .ndo_set_vf_link_state = liquidio_set_vf_link_state, |
cea395ac | 3253 | .ndo_get_vf_stats = liquidio_get_vf_stats, |
c4bf2450 | 3254 | .ndo_get_port_parent_id = liquidio_get_port_parent_id, |
f21fb3ed RV |
3255 | }; |
3256 | ||
3257 | /** \brief Entry point for the liquidio module | |
3258 | */ | |
3259 | static int __init liquidio_init(void) | |
3260 | { | |
3261 | int i; | |
3262 | struct handshake *hs; | |
3263 | ||
3264 | init_completion(&first_stage); | |
3265 | ||
97a25326 | 3266 | octeon_init_device_list(OCTEON_CONFIG_TYPE_DEFAULT); |
f21fb3ed RV |
3267 | |
3268 | if (liquidio_init_pci()) | |
3269 | return -EINVAL; | |
3270 | ||
3271 | wait_for_completion_timeout(&first_stage, msecs_to_jiffies(1000)); | |
3272 | ||
3273 | for (i = 0; i < MAX_OCTEON_DEVICES; i++) { | |
3274 | hs = &handshake[i]; | |
3275 | if (hs->pci_dev) { | |
3276 | wait_for_completion(&hs->init); | |
3277 | if (!hs->init_ok) { | |
3278 | /* init handshake failed */ | |
3279 | dev_err(&hs->pci_dev->dev, | |
3280 | "Failed to init device\n"); | |
3281 | liquidio_deinit_pci(); | |
3282 | return -EIO; | |
3283 | } | |
3284 | } | |
3285 | } | |
3286 | ||
3287 | for (i = 0; i < MAX_OCTEON_DEVICES; i++) { | |
3288 | hs = &handshake[i]; | |
3289 | if (hs->pci_dev) { | |
3290 | wait_for_completion_timeout(&hs->started, | |
3291 | msecs_to_jiffies(30000)); | |
3292 | if (!hs->started_ok) { | |
3293 | /* starter handshake failed */ | |
3294 | dev_err(&hs->pci_dev->dev, | |
3295 | "Firmware failed to start\n"); | |
3296 | liquidio_deinit_pci(); | |
3297 | return -EIO; | |
3298 | } | |
3299 | } | |
3300 | } | |
3301 | ||
3302 | return 0; | |
3303 | } | |
3304 | ||
5b173cf9 | 3305 | static int lio_nic_info(struct octeon_recv_info *recv_info, void *buf) |
f21fb3ed RV |
3306 | { |
3307 | struct octeon_device *oct = (struct octeon_device *)buf; | |
3308 | struct octeon_recv_pkt *recv_pkt = recv_info->recv_pkt; | |
0cece6c5 | 3309 | int gmxport = 0; |
f21fb3ed RV |
3310 | union oct_link_status *ls; |
3311 | int i; | |
3312 | ||
c4ee5d81 | 3313 | if (recv_pkt->buffer_size[0] != (sizeof(*ls) + OCT_DROQ_INFO_SIZE)) { |
f21fb3ed RV |
3314 | dev_err(&oct->pci_dev->dev, "Malformed NIC_INFO, len=%d, ifidx=%d\n", |
3315 | recv_pkt->buffer_size[0], | |
0cece6c5 | 3316 | recv_pkt->rh.r_nic_info.gmxport); |
f21fb3ed RV |
3317 | goto nic_info_err; |
3318 | } | |
3319 | ||
0cece6c5 | 3320 | gmxport = recv_pkt->rh.r_nic_info.gmxport; |
c4ee5d81 PK |
3321 | ls = (union oct_link_status *)(get_rbd(recv_pkt->buffer_ptr[0]) + |
3322 | OCT_DROQ_INFO_SIZE); | |
f21fb3ed RV |
3323 | |
3324 | octeon_swap_8B_data((u64 *)ls, (sizeof(union oct_link_status)) >> 3); | |
0cece6c5 RV |
3325 | for (i = 0; i < oct->ifcount; i++) { |
3326 | if (oct->props[i].gmxport == gmxport) { | |
3327 | update_link_status(oct->props[i].netdev, ls); | |
3328 | break; | |
3329 | } | |
3330 | } | |
f21fb3ed RV |
3331 | |
3332 | nic_info_err: | |
3333 | for (i = 0; i < recv_pkt->buffer_count; i++) | |
3334 | recv_buffer_free(recv_pkt->buffer_ptr[i]); | |
3335 | octeon_free_recv_info(recv_info); | |
3336 | return 0; | |
3337 | } | |
3338 | ||
3339 | /** | |
3340 | * \brief Setup network interfaces | |
3341 | * @param octeon_dev octeon device | |
3342 | * | |
3343 | * Called during init time for each device. It assumes the NIC | |
3344 | * is already up and running. The link information for each | |
3345 | * interface is passed in link_info. | |
3346 | */ | |
3347 | static int setup_nic_devices(struct octeon_device *octeon_dev) | |
3348 | { | |
3349 | struct lio *lio = NULL; | |
3350 | struct net_device *netdev; | |
4fed38cf RF |
3351 | u8 mac[6], i, j, *fw_ver, *micro_ver; |
3352 | unsigned long micro; | |
3353 | u32 cur_ver; | |
f21fb3ed | 3354 | struct octeon_soft_command *sc; |
f21fb3ed RV |
3355 | struct liquidio_if_cfg_resp *resp; |
3356 | struct octdev_props *props; | |
26236fa9 | 3357 | int retval, num_iqueues, num_oqueues; |
c33c9973 | 3358 | int max_num_queues = 0; |
f21fb3ed RV |
3359 | union oct_nic_if_cfg if_cfg; |
3360 | unsigned int base_queue; | |
3361 | unsigned int gmx_port_id; | |
64fecd3e | 3362 | u32 resp_size, data_size; |
0cece6c5 | 3363 | u32 ifidx_or_pfnum; |
83101ce3 | 3364 | struct lio_version *vdata; |
d4be8ebe VMG |
3365 | struct devlink *devlink; |
3366 | struct lio_devlink_priv *lio_devlink; | |
f21fb3ed RV |
3367 | |
3368 | /* This is to handle link status changes */ | |
3369 | octeon_register_dispatch_fn(octeon_dev, OPCODE_NIC, | |
3370 | OPCODE_NIC_INFO, | |
3371 | lio_nic_info, octeon_dev); | |
3372 | ||
3373 | /* REQTYPE_RESP_NET and REQTYPE_SOFT_COMMAND do not have free functions. | |
3374 | * They are handled directly. | |
3375 | */ | |
3376 | octeon_register_reqtype_free_fn(octeon_dev, REQTYPE_NORESP_NET, | |
3377 | free_netbuf); | |
3378 | ||
3379 | octeon_register_reqtype_free_fn(octeon_dev, REQTYPE_NORESP_NET_SG, | |
3380 | free_netsgbuf); | |
3381 | ||
3382 | octeon_register_reqtype_free_fn(octeon_dev, REQTYPE_RESP_NET_SG, | |
3383 | free_netsgbuf_with_resp); | |
3384 | ||
3385 | for (i = 0; i < octeon_dev->ifcount; i++) { | |
3386 | resp_size = sizeof(struct liquidio_if_cfg_resp); | |
83101ce3 | 3387 | data_size = sizeof(struct lio_version); |
f21fb3ed | 3388 | sc = (struct octeon_soft_command *) |
83101ce3 | 3389 | octeon_alloc_soft_command(octeon_dev, data_size, |
64fecd3e | 3390 | resp_size, 0); |
f21fb3ed | 3391 | resp = (struct liquidio_if_cfg_resp *)sc->virtrptr; |
83101ce3 RV |
3392 | vdata = (struct lio_version *)sc->virtdptr; |
3393 | ||
3394 | *((u64 *)vdata) = 0; | |
3395 | vdata->major = cpu_to_be16(LIQUIDIO_BASE_MAJOR_VERSION); | |
3396 | vdata->minor = cpu_to_be16(LIQUIDIO_BASE_MINOR_VERSION); | |
3397 | vdata->micro = cpu_to_be16(LIQUIDIO_BASE_MICRO_VERSION); | |
f21fb3ed | 3398 | |
e86b1ab6 RV |
3399 | if (OCTEON_CN23XX_PF(octeon_dev)) { |
3400 | num_iqueues = octeon_dev->sriov_info.num_pf_rings; | |
3401 | num_oqueues = octeon_dev->sriov_info.num_pf_rings; | |
3402 | base_queue = octeon_dev->sriov_info.pf_srn; | |
3403 | ||
3404 | gmx_port_id = octeon_dev->pf_num; | |
3405 | ifidx_or_pfnum = octeon_dev->pf_num; | |
3406 | } else { | |
3407 | num_iqueues = CFG_GET_NUM_TXQS_NIC_IF( | |
3408 | octeon_get_conf(octeon_dev), i); | |
3409 | num_oqueues = CFG_GET_NUM_RXQS_NIC_IF( | |
3410 | octeon_get_conf(octeon_dev), i); | |
3411 | base_queue = CFG_GET_BASE_QUE_NIC_IF( | |
3412 | octeon_get_conf(octeon_dev), i); | |
3413 | gmx_port_id = CFG_GET_GMXID_NIC_IF( | |
3414 | octeon_get_conf(octeon_dev), i); | |
3415 | ifidx_or_pfnum = i; | |
3416 | } | |
3dcef2ca | 3417 | |
f21fb3ed RV |
3418 | dev_dbg(&octeon_dev->pci_dev->dev, |
3419 | "requesting config for interface %d, iqs %d, oqs %d\n", | |
0cece6c5 | 3420 | ifidx_or_pfnum, num_iqueues, num_oqueues); |
f21fb3ed RV |
3421 | |
3422 | if_cfg.u64 = 0; | |
3423 | if_cfg.s.num_iqueues = num_iqueues; | |
3424 | if_cfg.s.num_oqueues = num_oqueues; | |
3425 | if_cfg.s.base_queue = base_queue; | |
3426 | if_cfg.s.gmx_port_id = gmx_port_id; | |
0cece6c5 RV |
3427 | |
3428 | sc->iq_no = 0; | |
3429 | ||
f21fb3ed | 3430 | octeon_prepare_soft_command(octeon_dev, sc, OPCODE_NIC, |
0cece6c5 | 3431 | OPCODE_NIC_IF_CFG, 0, |
f21fb3ed RV |
3432 | if_cfg.u64, 0); |
3433 | ||
64fecd3e FM |
3434 | init_completion(&sc->complete); |
3435 | sc->sc_status = OCTEON_REQUEST_PENDING; | |
f21fb3ed RV |
3436 | |
3437 | retval = octeon_send_soft_command(octeon_dev, sc); | |
ddc173a6 | 3438 | if (retval == IQ_SEND_FAILED) { |
f21fb3ed RV |
3439 | dev_err(&octeon_dev->pci_dev->dev, |
3440 | "iq/oq config failed status: %x\n", | |
3441 | retval); | |
3442 | /* Soft instr is freed by driver in case of failure. */ | |
64fecd3e FM |
3443 | octeon_free_soft_command(octeon_dev, sc); |
3444 | return(-EIO); | |
f21fb3ed RV |
3445 | } |
3446 | ||
3447 | /* Sleep on a wait queue till the cond flag indicates that the | |
3448 | * response arrived or timed-out. | |
3449 | */ | |
64fecd3e FM |
3450 | retval = wait_for_sc_completion_timeout(octeon_dev, sc, 0); |
3451 | if (retval) | |
3452 | return retval; | |
afdf841f | 3453 | |
f21fb3ed RV |
3454 | retval = resp->status; |
3455 | if (retval) { | |
3456 | dev_err(&octeon_dev->pci_dev->dev, "iq/oq config failed\n"); | |
64fecd3e FM |
3457 | WRITE_ONCE(sc->caller_is_done, true); |
3458 | goto setup_nic_dev_done; | |
f21fb3ed | 3459 | } |
64fecd3e FM |
3460 | snprintf(octeon_dev->fw_info.liquidio_firmware_version, |
3461 | 32, "%s", | |
3462 | resp->cfg_info.liquidio_firmware_version); | |
f21fb3ed | 3463 | |
b36e4820 RF |
3464 | /* Verify f/w version (in case of 'auto' loading from flash) */ |
3465 | fw_ver = octeon_dev->fw_info.liquidio_firmware_version; | |
3466 | if (memcmp(LIQUIDIO_BASE_VERSION, | |
3467 | fw_ver, | |
3468 | strlen(LIQUIDIO_BASE_VERSION))) { | |
3469 | dev_err(&octeon_dev->pci_dev->dev, | |
3470 | "Unmatched firmware version. Expected %s.x, got %s.\n", | |
3471 | LIQUIDIO_BASE_VERSION, fw_ver); | |
64fecd3e FM |
3472 | WRITE_ONCE(sc->caller_is_done, true); |
3473 | goto setup_nic_dev_done; | |
b36e4820 RF |
3474 | } else if (atomic_read(octeon_dev->adapter_fw_state) == |
3475 | FW_IS_PRELOADED) { | |
3476 | dev_info(&octeon_dev->pci_dev->dev, | |
3477 | "Using auto-loaded firmware version %s.\n", | |
3478 | fw_ver); | |
3479 | } | |
3480 | ||
4fed38cf RF |
3481 | /* extract micro version field; point past '<maj>.<min>.' */ |
3482 | micro_ver = fw_ver + strlen(LIQUIDIO_BASE_VERSION) + 1; | |
3483 | if (kstrtoul(micro_ver, 10, µ) != 0) | |
3484 | micro = 0; | |
3485 | octeon_dev->fw_info.ver.maj = LIQUIDIO_BASE_MAJOR_VERSION; | |
3486 | octeon_dev->fw_info.ver.min = LIQUIDIO_BASE_MINOR_VERSION; | |
3487 | octeon_dev->fw_info.ver.rev = micro; | |
3488 | ||
f21fb3ed RV |
3489 | octeon_swap_8B_data((u64 *)(&resp->cfg_info), |
3490 | (sizeof(struct liquidio_if_cfg_info)) >> 3); | |
3491 | ||
3492 | num_iqueues = hweight64(resp->cfg_info.iqmask); | |
3493 | num_oqueues = hweight64(resp->cfg_info.oqmask); | |
3494 | ||
3495 | if (!(num_iqueues) || !(num_oqueues)) { | |
3496 | dev_err(&octeon_dev->pci_dev->dev, | |
3497 | "Got bad iqueues (%016llx) or oqueues (%016llx) from firmware.\n", | |
3498 | resp->cfg_info.iqmask, | |
3499 | resp->cfg_info.oqmask); | |
64fecd3e FM |
3500 | WRITE_ONCE(sc->caller_is_done, true); |
3501 | goto setup_nic_dev_done; | |
f21fb3ed | 3502 | } |
c33c9973 IB |
3503 | |
3504 | if (OCTEON_CN6XXX(octeon_dev)) { | |
3505 | max_num_queues = CFG_GET_IQ_MAX_Q(CHIP_CONF(octeon_dev, | |
3506 | cn6xxx)); | |
3507 | } else if (OCTEON_CN23XX_PF(octeon_dev)) { | |
3508 | max_num_queues = CFG_GET_IQ_MAX_Q(CHIP_CONF(octeon_dev, | |
3509 | cn23xx_pf)); | |
3510 | } | |
3511 | ||
f21fb3ed | 3512 | dev_dbg(&octeon_dev->pci_dev->dev, |
c33c9973 | 3513 | "interface %d, iqmask %016llx, oqmask %016llx, numiqueues %d, numoqueues %d max_num_queues: %d\n", |
f21fb3ed | 3514 | i, resp->cfg_info.iqmask, resp->cfg_info.oqmask, |
c33c9973 IB |
3515 | num_iqueues, num_oqueues, max_num_queues); |
3516 | netdev = alloc_etherdev_mq(LIO_SIZE, max_num_queues); | |
f21fb3ed RV |
3517 | |
3518 | if (!netdev) { | |
3519 | dev_err(&octeon_dev->pci_dev->dev, "Device allocation failed\n"); | |
64fecd3e FM |
3520 | WRITE_ONCE(sc->caller_is_done, true); |
3521 | goto setup_nic_dev_done; | |
f21fb3ed RV |
3522 | } |
3523 | ||
0cece6c5 | 3524 | SET_NETDEV_DEV(netdev, &octeon_dev->pci_dev->dev); |
f21fb3ed | 3525 | |
f21fb3ed RV |
3526 | /* Associate the routines that will handle different |
3527 | * netdev tasks. | |
3528 | */ | |
3529 | netdev->netdev_ops = &lionetdevops; | |
3530 | ||
c33c9973 IB |
3531 | retval = netif_set_real_num_rx_queues(netdev, num_oqueues); |
3532 | if (retval) { | |
3533 | dev_err(&octeon_dev->pci_dev->dev, | |
3534 | "setting real number rx failed\n"); | |
64fecd3e FM |
3535 | WRITE_ONCE(sc->caller_is_done, true); |
3536 | goto setup_nic_dev_free; | |
c33c9973 IB |
3537 | } |
3538 | ||
3539 | retval = netif_set_real_num_tx_queues(netdev, num_iqueues); | |
3540 | if (retval) { | |
3541 | dev_err(&octeon_dev->pci_dev->dev, | |
3542 | "setting real number tx failed\n"); | |
64fecd3e FM |
3543 | WRITE_ONCE(sc->caller_is_done, true); |
3544 | goto setup_nic_dev_free; | |
c33c9973 IB |
3545 | } |
3546 | ||
f21fb3ed RV |
3547 | lio = GET_LIO(netdev); |
3548 | ||
3549 | memset(lio, 0, sizeof(struct lio)); | |
3550 | ||
0cece6c5 RV |
3551 | lio->ifidx = ifidx_or_pfnum; |
3552 | ||
3553 | props = &octeon_dev->props[i]; | |
3554 | props->gmxport = resp->cfg_info.linfo.gmxport; | |
3555 | props->netdev = netdev; | |
f21fb3ed RV |
3556 | |
3557 | lio->linfo.num_rxpciq = num_oqueues; | |
3558 | lio->linfo.num_txpciq = num_iqueues; | |
f21fb3ed | 3559 | for (j = 0; j < num_oqueues; j++) { |
26236fa9 RV |
3560 | lio->linfo.rxpciq[j].u64 = |
3561 | resp->cfg_info.linfo.rxpciq[j].u64; | |
f21fb3ed | 3562 | } |
f21fb3ed | 3563 | for (j = 0; j < num_iqueues; j++) { |
26236fa9 RV |
3564 | lio->linfo.txpciq[j].u64 = |
3565 | resp->cfg_info.linfo.txpciq[j].u64; | |
f21fb3ed RV |
3566 | } |
3567 | lio->linfo.hw_addr = resp->cfg_info.linfo.hw_addr; | |
3568 | lio->linfo.gmxport = resp->cfg_info.linfo.gmxport; | |
3569 | lio->linfo.link.u64 = resp->cfg_info.linfo.link.u64; | |
3570 | ||
64fecd3e FM |
3571 | WRITE_ONCE(sc->caller_is_done, true); |
3572 | ||
f21fb3ed RV |
3573 | lio->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE); |
3574 | ||
e86b1ab6 RV |
3575 | if (OCTEON_CN23XX_PF(octeon_dev) || |
3576 | OCTEON_CN6XXX(octeon_dev)) { | |
3577 | lio->dev_capability = NETIF_F_HIGHDMA | |
3578 | | NETIF_F_IP_CSUM | |
3579 | | NETIF_F_IPV6_CSUM | |
3580 | | NETIF_F_SG | NETIF_F_RXCSUM | |
3581 | | NETIF_F_GRO | |
3582 | | NETIF_F_TSO | NETIF_F_TSO6 | |
3583 | | NETIF_F_LRO; | |
3584 | } | |
f21fb3ed RV |
3585 | netif_set_gso_max_size(netdev, OCTNIC_GSO_MAX_SIZE); |
3586 | ||
01fb237a RV |
3587 | /* Copy of transmit encapsulation capabilities: |
3588 | * TSO, TSO6, Checksums for this device | |
3589 | */ | |
3590 | lio->enc_dev_capability = NETIF_F_IP_CSUM | |
3591 | | NETIF_F_IPV6_CSUM | |
3592 | | NETIF_F_GSO_UDP_TUNNEL | |
3593 | | NETIF_F_HW_CSUM | NETIF_F_SG | |
3594 | | NETIF_F_RXCSUM | |
3595 | | NETIF_F_TSO | NETIF_F_TSO6 | |
3596 | | NETIF_F_LRO; | |
3597 | ||
3598 | netdev->hw_enc_features = (lio->enc_dev_capability & | |
3599 | ~NETIF_F_LRO); | |
3600 | ||
3601 | lio->dev_capability |= NETIF_F_GSO_UDP_TUNNEL; | |
3602 | ||
f21fb3ed | 3603 | netdev->vlan_features = lio->dev_capability; |
0da0b77c | 3604 | /* Add any unchangeable hw features */ |
63245f25 RV |
3605 | lio->dev_capability |= NETIF_F_HW_VLAN_CTAG_FILTER | |
3606 | NETIF_F_HW_VLAN_CTAG_RX | | |
0da0b77c RV |
3607 | NETIF_F_HW_VLAN_CTAG_TX; |
3608 | ||
3609 | netdev->features = (lio->dev_capability & ~NETIF_F_LRO); | |
f21fb3ed RV |
3610 | |
3611 | netdev->hw_features = lio->dev_capability; | |
0da0b77c RV |
3612 | /*HW_VLAN_RX and HW_VLAN_FILTER is always on*/ |
3613 | netdev->hw_features = netdev->hw_features & | |
3614 | ~NETIF_F_HW_VLAN_CTAG_RX; | |
f21fb3ed | 3615 | |
109cc165 JW |
3616 | /* MTU range: 68 - 16000 */ |
3617 | netdev->min_mtu = LIO_MIN_MTU_SIZE; | |
3618 | netdev->max_mtu = LIO_MAX_MTU_SIZE; | |
3619 | ||
f21fb3ed RV |
3620 | /* Point to the properties for octeon device to which this |
3621 | * interface belongs. | |
3622 | */ | |
3623 | lio->oct_dev = octeon_dev; | |
3624 | lio->octprops = props; | |
3625 | lio->netdev = netdev; | |
f21fb3ed RV |
3626 | |
3627 | dev_dbg(&octeon_dev->pci_dev->dev, | |
3628 | "if%d gmx: %d hw_addr: 0x%llx\n", i, | |
3629 | lio->linfo.gmxport, CVM_CAST64(lio->linfo.hw_addr)); | |
3630 | ||
86dea55b RV |
3631 | for (j = 0; j < octeon_dev->sriov_info.max_vfs; j++) { |
3632 | u8 vfmac[ETH_ALEN]; | |
3633 | ||
6c1f0a1f JP |
3634 | eth_random_addr(vfmac); |
3635 | if (__liquidio_set_vf_mac(netdev, j, vfmac, false)) { | |
86dea55b RV |
3636 | dev_err(&octeon_dev->pci_dev->dev, |
3637 | "Error setting VF%d MAC address\n", | |
3638 | j); | |
64fecd3e | 3639 | goto setup_nic_dev_free; |
86dea55b RV |
3640 | } |
3641 | } | |
3642 | ||
f21fb3ed RV |
3643 | /* 64-bit swap required on LE machines */ |
3644 | octeon_swap_8B_data(&lio->linfo.hw_addr, 1); | |
3645 | for (j = 0; j < 6; j++) | |
3646 | mac[j] = *((u8 *)(((u8 *)&lio->linfo.hw_addr) + 2 + j)); | |
3647 | ||
3648 | /* Copy MAC Address to OS network device structure */ | |
3649 | ||
3650 | ether_addr_copy(netdev->dev_addr, mac); | |
3651 | ||
26236fa9 RV |
3652 | /* By default all interfaces on a single Octeon uses the same |
3653 | * tx and rx queues | |
3654 | */ | |
3655 | lio->txq = lio->linfo.txpciq[0].s.q_no; | |
3656 | lio->rxq = lio->linfo.rxpciq[0].s.q_no; | |
a82457f1 IB |
3657 | if (liquidio_setup_io_queues(octeon_dev, i, |
3658 | lio->linfo.num_txpciq, | |
3659 | lio->linfo.num_rxpciq)) { | |
f21fb3ed | 3660 | dev_err(&octeon_dev->pci_dev->dev, "I/O queues creation failed\n"); |
64fecd3e | 3661 | goto setup_nic_dev_free; |
f21fb3ed RV |
3662 | } |
3663 | ||
3664 | ifstate_set(lio, LIO_IFSTATE_DROQ_OPS); | |
3665 | ||
f21fb3ed RV |
3666 | lio->tx_qsize = octeon_get_tx_qsize(octeon_dev, lio->txq); |
3667 | lio->rx_qsize = octeon_get_rx_qsize(octeon_dev, lio->rxq); | |
3668 | ||
128ea394 | 3669 | if (lio_setup_glists(octeon_dev, lio, num_iqueues)) { |
f21fb3ed RV |
3670 | dev_err(&octeon_dev->pci_dev->dev, |
3671 | "Gather list allocation failed\n"); | |
64fecd3e | 3672 | goto setup_nic_dev_free; |
f21fb3ed RV |
3673 | } |
3674 | ||
3675 | /* Register ethtool support */ | |
3676 | liquidio_set_ethtool_ops(netdev); | |
30136395 RV |
3677 | if (lio->oct_dev->chip_id == OCTEON_CN23XX_PF_VID) |
3678 | octeon_dev->priv_flags = OCT_PRIV_FLAG_DEFAULT; | |
3679 | else | |
3680 | octeon_dev->priv_flags = 0x0; | |
f21fb3ed | 3681 | |
0cece6c5 | 3682 | if (netdev->features & NETIF_F_LRO) |
a2c64b67 RV |
3683 | liquidio_set_feature(netdev, OCTNET_CMD_LRO_ENABLE, |
3684 | OCTNIC_LROIPV4 | OCTNIC_LROIPV6); | |
f21fb3ed | 3685 | |
836d57e5 PK |
3686 | liquidio_set_feature(netdev, OCTNET_CMD_VLAN_FILTER_CTL, |
3687 | OCTNET_CMD_VLAN_FILTER_ENABLE); | |
63245f25 | 3688 | |
f21fb3ed | 3689 | if ((debug != -1) && (debug & NETIF_MSG_HW)) |
63245f25 RV |
3690 | liquidio_set_feature(netdev, |
3691 | OCTNET_CMD_VERBOSE_ENABLE, 0); | |
f21fb3ed | 3692 | |
7b6b6c95 | 3693 | if (setup_link_status_change_wq(netdev)) |
64fecd3e | 3694 | goto setup_nic_dev_free; |
7b6b6c95 | 3695 | |
907aaa6b VB |
3696 | if ((octeon_dev->fw_info.app_cap_flags & |
3697 | LIQUIDIO_TIME_SYNC_CAP) && | |
3698 | setup_sync_octeon_time_wq(netdev)) | |
64fecd3e | 3699 | goto setup_nic_dev_free; |
907aaa6b | 3700 | |
031d4f12 | 3701 | if (setup_rx_oom_poll_fn(netdev)) |
64fecd3e | 3702 | goto setup_nic_dev_free; |
031d4f12 | 3703 | |
f21fb3ed RV |
3704 | /* Register the network device with the OS */ |
3705 | if (register_netdev(netdev)) { | |
3706 | dev_err(&octeon_dev->pci_dev->dev, "Device registration failed\n"); | |
64fecd3e | 3707 | goto setup_nic_dev_free; |
f21fb3ed RV |
3708 | } |
3709 | ||
3710 | dev_dbg(&octeon_dev->pci_dev->dev, | |
3711 | "Setup NIC ifidx:%d mac:%02x%02x%02x%02x%02x%02x\n", | |
3712 | i, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); | |
3713 | netif_carrier_off(netdev); | |
0cece6c5 | 3714 | lio->link_changes++; |
f21fb3ed RV |
3715 | |
3716 | ifstate_set(lio, LIO_IFSTATE_REGISTERED); | |
3717 | ||
01fb237a RV |
3718 | /* Sending command to firmware to enable Rx checksum offload |
3719 | * by default at the time of setup of Liquidio driver for | |
3720 | * this device | |
3721 | */ | |
3722 | liquidio_set_rxcsum_command(netdev, OCTNET_CMD_TNL_RX_CSUM_CTL, | |
3723 | OCTNET_CMD_RXCSUM_ENABLE); | |
3724 | liquidio_set_feature(netdev, OCTNET_CMD_TNL_TX_CSUM_CTL, | |
3725 | OCTNET_CMD_TXCSUM_ENABLE); | |
3726 | ||
f21fb3ed RV |
3727 | dev_dbg(&octeon_dev->pci_dev->dev, |
3728 | "NIC ifidx:%d Setup successful\n", i); | |
3729 | ||
18b338f5 WC |
3730 | if (octeon_dev->subsystem_id == |
3731 | OCTEON_CN2350_25GB_SUBSYS_ID || | |
3732 | octeon_dev->subsystem_id == | |
3733 | OCTEON_CN2360_25GB_SUBSYS_ID) { | |
4fed38cf RF |
3734 | cur_ver = OCT_FW_VER(octeon_dev->fw_info.ver.maj, |
3735 | octeon_dev->fw_info.ver.min, | |
3736 | octeon_dev->fw_info.ver.rev); | |
3737 | ||
3738 | /* speed control unsupported in f/w older than 1.7.2 */ | |
3739 | if (cur_ver < OCT_FW_VER(1, 7, 2)) { | |
3740 | dev_info(&octeon_dev->pci_dev->dev, | |
3741 | "speed setting not supported by f/w."); | |
3742 | octeon_dev->speed_setting = 25; | |
3743 | octeon_dev->no_speed_setting = 1; | |
3744 | } else { | |
3745 | liquidio_get_speed(lio); | |
3746 | } | |
18b338f5 WC |
3747 | |
3748 | if (octeon_dev->speed_setting == 0) { | |
3749 | octeon_dev->speed_setting = 25; | |
3750 | octeon_dev->no_speed_setting = 1; | |
3751 | } | |
3752 | } else { | |
3753 | octeon_dev->no_speed_setting = 1; | |
3754 | octeon_dev->speed_setting = 10; | |
3755 | } | |
3756 | octeon_dev->speed_boot = octeon_dev->speed_setting; | |
75b2c206 WC |
3757 | |
3758 | /* don't read FEC setting if unsupported by f/w (see above) */ | |
3759 | if (octeon_dev->speed_boot == 25 && | |
3760 | !octeon_dev->no_speed_setting) { | |
3761 | liquidio_get_fec(lio); | |
3762 | octeon_dev->props[lio->ifidx].fec_boot = | |
3763 | octeon_dev->props[lio->ifidx].fec; | |
3764 | } | |
f21fb3ed RV |
3765 | } |
3766 | ||
d4be8ebe VMG |
3767 | devlink = devlink_alloc(&liquidio_devlink_ops, |
3768 | sizeof(struct lio_devlink_priv)); | |
3769 | if (!devlink) { | |
3770 | dev_err(&octeon_dev->pci_dev->dev, "devlink alloc failed\n"); | |
64fecd3e | 3771 | goto setup_nic_dev_free; |
d4be8ebe VMG |
3772 | } |
3773 | ||
3774 | lio_devlink = devlink_priv(devlink); | |
3775 | lio_devlink->oct = octeon_dev; | |
3776 | ||
3777 | if (devlink_register(devlink, &octeon_dev->pci_dev->dev)) { | |
3778 | devlink_free(devlink); | |
3779 | dev_err(&octeon_dev->pci_dev->dev, | |
3780 | "devlink registration failed\n"); | |
64fecd3e | 3781 | goto setup_nic_dev_free; |
d4be8ebe VMG |
3782 | } |
3783 | ||
3784 | octeon_dev->devlink = devlink; | |
3785 | octeon_dev->eswitch_mode = DEVLINK_ESWITCH_MODE_LEGACY; | |
3786 | ||
f21fb3ed RV |
3787 | return 0; |
3788 | ||
64fecd3e | 3789 | setup_nic_dev_free: |
afdf841f | 3790 | |
f21fb3ed RV |
3791 | while (i--) { |
3792 | dev_err(&octeon_dev->pci_dev->dev, | |
3793 | "NIC ifidx:%d Setup failed\n", i); | |
3794 | liquidio_destroy_nic_device(octeon_dev, i); | |
3795 | } | |
64fecd3e FM |
3796 | |
3797 | setup_nic_dev_done: | |
3798 | ||
f21fb3ed RV |
3799 | return -ENODEV; |
3800 | } | |
3801 | ||
ca6139ff RV |
3802 | #ifdef CONFIG_PCI_IOV |
3803 | static int octeon_enable_sriov(struct octeon_device *oct) | |
3804 | { | |
3805 | unsigned int num_vfs_alloced = oct->sriov_info.num_vfs_alloced; | |
3806 | struct pci_dev *vfdev; | |
3807 | int err; | |
3808 | u32 u; | |
3809 | ||
3810 | if (OCTEON_CN23XX_PF(oct) && num_vfs_alloced) { | |
3811 | err = pci_enable_sriov(oct->pci_dev, | |
3812 | oct->sriov_info.num_vfs_alloced); | |
3813 | if (err) { | |
3814 | dev_err(&oct->pci_dev->dev, | |
3815 | "OCTEON: Failed to enable PCI sriov: %d\n", | |
3816 | err); | |
3817 | oct->sriov_info.num_vfs_alloced = 0; | |
3818 | return err; | |
3819 | } | |
3820 | oct->sriov_info.sriov_enabled = 1; | |
3821 | ||
3822 | /* init lookup table that maps DPI ring number to VF pci_dev | |
3823 | * struct pointer | |
3824 | */ | |
3825 | u = 0; | |
3826 | vfdev = pci_get_device(PCI_VENDOR_ID_CAVIUM, | |
3827 | OCTEON_CN23XX_VF_VID, NULL); | |
3828 | while (vfdev) { | |
3829 | if (vfdev->is_virtfn && | |
3830 | (vfdev->physfn == oct->pci_dev)) { | |
3831 | oct->sriov_info.dpiring_to_vfpcidev_lut[u] = | |
3832 | vfdev; | |
3833 | u += oct->sriov_info.rings_per_vf; | |
3834 | } | |
3835 | vfdev = pci_get_device(PCI_VENDOR_ID_CAVIUM, | |
3836 | OCTEON_CN23XX_VF_VID, vfdev); | |
3837 | } | |
3838 | } | |
3839 | ||
3840 | return num_vfs_alloced; | |
3841 | } | |
3842 | ||
3843 | static int lio_pci_sriov_disable(struct octeon_device *oct) | |
3844 | { | |
3845 | int u; | |
3846 | ||
3847 | if (pci_vfs_assigned(oct->pci_dev)) { | |
3848 | dev_err(&oct->pci_dev->dev, "VFs are still assigned to VMs.\n"); | |
3849 | return -EPERM; | |
3850 | } | |
3851 | ||
3852 | pci_disable_sriov(oct->pci_dev); | |
3853 | ||
3854 | u = 0; | |
3855 | while (u < MAX_POSSIBLE_VFS) { | |
3856 | oct->sriov_info.dpiring_to_vfpcidev_lut[u] = NULL; | |
3857 | u += oct->sriov_info.rings_per_vf; | |
3858 | } | |
3859 | ||
3860 | oct->sriov_info.num_vfs_alloced = 0; | |
3861 | dev_info(&oct->pci_dev->dev, "oct->pf_num:%d disabled VFs\n", | |
3862 | oct->pf_num); | |
3863 | ||
3864 | return 0; | |
3865 | } | |
3866 | ||
3867 | static int liquidio_enable_sriov(struct pci_dev *dev, int num_vfs) | |
3868 | { | |
3869 | struct octeon_device *oct = pci_get_drvdata(dev); | |
3870 | int ret = 0; | |
3871 | ||
3872 | if ((num_vfs == oct->sriov_info.num_vfs_alloced) && | |
3873 | (oct->sriov_info.sriov_enabled)) { | |
3874 | dev_info(&oct->pci_dev->dev, "oct->pf_num:%d already enabled num_vfs:%d\n", | |
3875 | oct->pf_num, num_vfs); | |
3876 | return 0; | |
3877 | } | |
3878 | ||
3879 | if (!num_vfs) { | |
d4be8ebe | 3880 | lio_vf_rep_destroy(oct); |
ca6139ff RV |
3881 | ret = lio_pci_sriov_disable(oct); |
3882 | } else if (num_vfs > oct->sriov_info.max_vfs) { | |
3883 | dev_err(&oct->pci_dev->dev, | |
3884 | "OCTEON: Max allowed VFs:%d user requested:%d", | |
3885 | oct->sriov_info.max_vfs, num_vfs); | |
3886 | ret = -EPERM; | |
3887 | } else { | |
3888 | oct->sriov_info.num_vfs_alloced = num_vfs; | |
3889 | ret = octeon_enable_sriov(oct); | |
3890 | dev_info(&oct->pci_dev->dev, "oct->pf_num:%d num_vfs:%d\n", | |
3891 | oct->pf_num, num_vfs); | |
d4be8ebe VMG |
3892 | ret = lio_vf_rep_create(oct); |
3893 | if (ret) | |
3894 | dev_info(&oct->pci_dev->dev, | |
3895 | "vf representor create failed"); | |
ca6139ff RV |
3896 | } |
3897 | ||
3898 | return ret; | |
3899 | } | |
3900 | #endif | |
3901 | ||
f21fb3ed RV |
3902 | /** |
3903 | * \brief initialize the NIC | |
3904 | * @param oct octeon device | |
3905 | * | |
3906 | * This initialization routine is called once the Octeon device application is | |
3907 | * up and running | |
3908 | */ | |
3909 | static int liquidio_init_nic_module(struct octeon_device *oct) | |
3910 | { | |
0cece6c5 | 3911 | int i, retval = 0; |
f21fb3ed RV |
3912 | int num_nic_ports = CFG_GET_NUM_NIC_PORTS(octeon_get_conf(oct)); |
3913 | ||
3914 | dev_dbg(&oct->pci_dev->dev, "Initializing network interfaces\n"); | |
3915 | ||
3916 | /* only default iq and oq were initialized | |
3917 | * initialize the rest as well | |
3918 | */ | |
3919 | /* run port_config command for each port */ | |
3920 | oct->ifcount = num_nic_ports; | |
3921 | ||
30136395 | 3922 | memset(oct->props, 0, sizeof(struct octdev_props) * num_nic_ports); |
f21fb3ed | 3923 | |
0cece6c5 RV |
3924 | for (i = 0; i < MAX_OCTEON_LINKS; i++) |
3925 | oct->props[i].gmxport = -1; | |
3926 | ||
f21fb3ed RV |
3927 | retval = setup_nic_devices(oct); |
3928 | if (retval) { | |
3929 | dev_err(&oct->pci_dev->dev, "Setup NIC devices failed\n"); | |
3930 | goto octnet_init_failure; | |
3931 | } | |
3932 | ||
e20f4696 VMG |
3933 | /* Call vf_rep_modinit if the firmware is switchdev capable |
3934 | * and do it from the first liquidio function probed. | |
3935 | */ | |
3936 | if (!oct->octeon_id && | |
3937 | oct->fw_info.app_cap_flags & LIQUIDIO_SWITCHDEV_CAP) { | |
228aa012 DC |
3938 | retval = lio_vf_rep_modinit(); |
3939 | if (retval) { | |
e20f4696 VMG |
3940 | liquidio_stop_nic_module(oct); |
3941 | goto octnet_init_failure; | |
3942 | } | |
3943 | } | |
3944 | ||
f21fb3ed RV |
3945 | liquidio_ptp_init(oct); |
3946 | ||
f21fb3ed RV |
3947 | dev_dbg(&oct->pci_dev->dev, "Network interfaces ready\n"); |
3948 | ||
3949 | return retval; | |
3950 | ||
3951 | octnet_init_failure: | |
3952 | ||
3953 | oct->ifcount = 0; | |
3954 | ||
3955 | return retval; | |
3956 | } | |
3957 | ||
3958 | /** | |
3959 | * \brief starter callback that invokes the remaining initialization work after | |
3960 | * the NIC is up and running. | |
3961 | * @param octptr work struct work_struct | |
3962 | */ | |
3963 | static void nic_starter(struct work_struct *work) | |
3964 | { | |
3965 | struct octeon_device *oct; | |
3966 | struct cavium_wk *wk = (struct cavium_wk *)work; | |
3967 | ||
3968 | oct = (struct octeon_device *)wk->ctxptr; | |
3969 | ||
3970 | if (atomic_read(&oct->status) == OCT_DEV_RUNNING) | |
3971 | return; | |
3972 | ||
3973 | /* If the status of the device is CORE_OK, the core | |
3974 | * application has reported its application type. Call | |
3975 | * any registered handlers now and move to the RUNNING | |
3976 | * state. | |
3977 | */ | |
3978 | if (atomic_read(&oct->status) != OCT_DEV_CORE_OK) { | |
3979 | schedule_delayed_work(&oct->nic_poll_work.work, | |
3980 | LIQUIDIO_STARTER_POLL_INTERVAL_MS); | |
3981 | return; | |
3982 | } | |
3983 | ||
3984 | atomic_set(&oct->status, OCT_DEV_RUNNING); | |
3985 | ||
3986 | if (oct->app_mode && oct->app_mode == CVM_DRV_NIC_APP) { | |
3987 | dev_dbg(&oct->pci_dev->dev, "Starting NIC module\n"); | |
3988 | ||
3989 | if (liquidio_init_nic_module(oct)) | |
3990 | dev_err(&oct->pci_dev->dev, "NIC initialization failed\n"); | |
3991 | else | |
3992 | handshake[oct->octeon_id].started_ok = 1; | |
3993 | } else { | |
3994 | dev_err(&oct->pci_dev->dev, | |
3995 | "Unexpected application running on NIC (%d). Check firmware.\n", | |
3996 | oct->app_mode); | |
3997 | } | |
3998 | ||
3999 | complete(&handshake[oct->octeon_id].started); | |
4000 | } | |
4001 | ||
86dea55b RV |
4002 | static int |
4003 | octeon_recv_vf_drv_notice(struct octeon_recv_info *recv_info, void *buf) | |
4004 | { | |
4005 | struct octeon_device *oct = (struct octeon_device *)buf; | |
4006 | struct octeon_recv_pkt *recv_pkt = recv_info->recv_pkt; | |
4007 | int i, notice, vf_idx; | |
bb54be58 | 4008 | bool cores_crashed; |
86dea55b RV |
4009 | u64 *data, vf_num; |
4010 | ||
4011 | notice = recv_pkt->rh.r.ossp; | |
c4ee5d81 | 4012 | data = (u64 *)(get_rbd(recv_pkt->buffer_ptr[0]) + OCT_DROQ_INFO_SIZE); |
86dea55b RV |
4013 | |
4014 | /* the first 64-bit word of data is the vf_num */ | |
4015 | vf_num = data[0]; | |
4016 | octeon_swap_8B_data(&vf_num, 1); | |
4017 | vf_idx = (int)vf_num - 1; | |
4018 | ||
bb54be58 FM |
4019 | cores_crashed = READ_ONCE(oct->cores_crashed); |
4020 | ||
86dea55b RV |
4021 | if (notice == VF_DRV_LOADED) { |
4022 | if (!(oct->sriov_info.vf_drv_loaded_mask & BIT_ULL(vf_idx))) { | |
4023 | oct->sriov_info.vf_drv_loaded_mask |= BIT_ULL(vf_idx); | |
4024 | dev_info(&oct->pci_dev->dev, | |
4025 | "driver for VF%d was loaded\n", vf_idx); | |
bb54be58 FM |
4026 | if (!cores_crashed) |
4027 | try_module_get(THIS_MODULE); | |
86dea55b RV |
4028 | } |
4029 | } else if (notice == VF_DRV_REMOVED) { | |
4030 | if (oct->sriov_info.vf_drv_loaded_mask & BIT_ULL(vf_idx)) { | |
4031 | oct->sriov_info.vf_drv_loaded_mask &= ~BIT_ULL(vf_idx); | |
4032 | dev_info(&oct->pci_dev->dev, | |
4033 | "driver for VF%d was removed\n", vf_idx); | |
bb54be58 FM |
4034 | if (!cores_crashed) |
4035 | module_put(THIS_MODULE); | |
86dea55b RV |
4036 | } |
4037 | } else if (notice == VF_DRV_MACADDR_CHANGED) { | |
4038 | u8 *b = (u8 *)&data[1]; | |
4039 | ||
4040 | oct->sriov_info.vf_macaddr[vf_idx] = data[1]; | |
4041 | dev_info(&oct->pci_dev->dev, | |
4042 | "VF driver changed VF%d's MAC address to %pM\n", | |
4043 | vf_idx, b + 2); | |
4044 | } | |
4045 | ||
4046 | for (i = 0; i < recv_pkt->buffer_count; i++) | |
4047 | recv_buffer_free(recv_pkt->buffer_ptr[i]); | |
4048 | octeon_free_recv_info(recv_info); | |
4049 | ||
4050 | return 0; | |
4051 | } | |
4052 | ||
f21fb3ed RV |
4053 | /** |
4054 | * \brief Device initialization for each Octeon device that is probed | |
4055 | * @param octeon_dev octeon device | |
4056 | */ | |
4057 | static int octeon_device_init(struct octeon_device *octeon_dev) | |
4058 | { | |
4059 | int j, ret; | |
d3d7e6c6 | 4060 | char bootcmd[] = "\n"; |
da1542b0 | 4061 | char *dbg_enb = NULL; |
088b8749 | 4062 | enum lio_fw_state fw_state; |
f21fb3ed RV |
4063 | struct octeon_device_priv *oct_priv = |
4064 | (struct octeon_device_priv *)octeon_dev->priv; | |
4065 | atomic_set(&octeon_dev->status, OCT_DEV_BEGIN_STATE); | |
4066 | ||
4067 | /* Enable access to the octeon device and make its DMA capability | |
4068 | * known to the OS. | |
4069 | */ | |
4070 | if (octeon_pci_os_setup(octeon_dev)) | |
4071 | return 1; | |
4072 | ||
515e752d RV |
4073 | atomic_set(&octeon_dev->status, OCT_DEV_PCI_ENABLE_DONE); |
4074 | ||
f21fb3ed RV |
4075 | /* Identify the Octeon type and map the BAR address space. */ |
4076 | if (octeon_chip_specific_setup(octeon_dev)) { | |
4077 | dev_err(&octeon_dev->pci_dev->dev, "Chip specific setup failed\n"); | |
4078 | return 1; | |
4079 | } | |
4080 | ||
4081 | atomic_set(&octeon_dev->status, OCT_DEV_PCI_MAP_DONE); | |
4082 | ||
e1e3ce62 RF |
4083 | /* Only add a reference after setting status 'OCT_DEV_PCI_MAP_DONE', |
4084 | * since that is what is required for the reference to be removed | |
4085 | * during de-initialization (see 'octeon_destroy_resources'). | |
4086 | */ | |
4087 | octeon_register_device(octeon_dev, octeon_dev->pci_dev->bus->number, | |
4088 | PCI_SLOT(octeon_dev->pci_dev->devfn), | |
4089 | PCI_FUNC(octeon_dev->pci_dev->devfn), | |
4090 | true); | |
4091 | ||
f21fb3ed RV |
4092 | octeon_dev->app_mode = CVM_DRV_INVALID_APP; |
4093 | ||
088b8749 RF |
4094 | /* CN23XX supports preloaded firmware if the following is true: |
4095 | * | |
4096 | * The adapter indicates that firmware is currently running AND | |
4097 | * 'fw_type' is 'auto'. | |
4098 | * | |
4099 | * (default state is NEEDS_TO_BE_LOADED, override it if appropriate). | |
4100 | */ | |
4101 | if (OCTEON_CN23XX_PF(octeon_dev) && | |
4102 | cn23xx_fw_loaded(octeon_dev) && fw_type_is_auto()) { | |
4103 | atomic_cmpxchg(octeon_dev->adapter_fw_state, | |
4104 | FW_NEEDS_TO_BE_LOADED, FW_IS_PRELOADED); | |
c0eab5b3 | 4105 | } |
f21fb3ed | 4106 | |
088b8749 RF |
4107 | /* If loading firmware, only first device of adapter needs to do so. */ |
4108 | fw_state = atomic_cmpxchg(octeon_dev->adapter_fw_state, | |
4109 | FW_NEEDS_TO_BE_LOADED, | |
4110 | FW_IS_BEING_LOADED); | |
4111 | ||
4112 | /* Here, [local variable] 'fw_state' is set to one of: | |
4113 | * | |
4114 | * FW_IS_PRELOADED: No firmware is to be loaded (see above) | |
4115 | * FW_NEEDS_TO_BE_LOADED: The driver's first instance will load | |
4116 | * firmware to the adapter. | |
4117 | * FW_IS_BEING_LOADED: The driver's second instance will not load | |
4118 | * firmware to the adapter. | |
4119 | */ | |
4120 | ||
4121 | /* Prior to f/w load, perform a soft reset of the Octeon device; | |
4122 | * if error resetting, return w/error. | |
4123 | */ | |
4124 | if (fw_state == FW_NEEDS_TO_BE_LOADED) | |
4125 | if (octeon_dev->fn_list.soft_reset(octeon_dev)) | |
4126 | return 1; | |
4127 | ||
f21fb3ed RV |
4128 | /* Initialize the dispatch mechanism used to push packets arriving on |
4129 | * Octeon Output queues. | |
4130 | */ | |
4131 | if (octeon_init_dispatch_list(octeon_dev)) | |
4132 | return 1; | |
4133 | ||
4134 | octeon_register_dispatch_fn(octeon_dev, OPCODE_NIC, | |
4135 | OPCODE_NIC_CORE_DRV_ACTIVE, | |
4136 | octeon_core_drv_init, | |
4137 | octeon_dev); | |
4138 | ||
86dea55b RV |
4139 | octeon_register_dispatch_fn(octeon_dev, OPCODE_NIC, |
4140 | OPCODE_NIC_VF_DRV_NOTICE, | |
4141 | octeon_recv_vf_drv_notice, octeon_dev); | |
f21fb3ed RV |
4142 | INIT_DELAYED_WORK(&octeon_dev->nic_poll_work.work, nic_starter); |
4143 | octeon_dev->nic_poll_work.ctxptr = (void *)octeon_dev; | |
4144 | schedule_delayed_work(&octeon_dev->nic_poll_work.work, | |
4145 | LIQUIDIO_STARTER_POLL_INTERVAL_MS); | |
4146 | ||
4147 | atomic_set(&octeon_dev->status, OCT_DEV_DISPATCH_INIT_DONE); | |
4148 | ||
c865cdf1 RV |
4149 | if (octeon_set_io_queues_off(octeon_dev)) { |
4150 | dev_err(&octeon_dev->pci_dev->dev, "setting io queues off failed\n"); | |
4151 | return 1; | |
4152 | } | |
f21fb3ed | 4153 | |
3451b97c RV |
4154 | if (OCTEON_CN23XX_PF(octeon_dev)) { |
4155 | ret = octeon_dev->fn_list.setup_device_regs(octeon_dev); | |
4156 | if (ret) { | |
4157 | dev_err(&octeon_dev->pci_dev->dev, "OCTEON: Failed to configure device registers\n"); | |
4158 | return ret; | |
4159 | } | |
4160 | } | |
4161 | ||
4162 | /* Initialize soft command buffer pool | |
4163 | */ | |
4164 | if (octeon_setup_sc_buffer_pool(octeon_dev)) { | |
4165 | dev_err(&octeon_dev->pci_dev->dev, "sc buffer pool allocation failed\n"); | |
4166 | return 1; | |
4167 | } | |
4168 | atomic_set(&octeon_dev->status, OCT_DEV_SC_BUFF_POOL_INIT_DONE); | |
4169 | ||
f21fb3ed RV |
4170 | /* Setup the data structures that manage this Octeon's Input queues. */ |
4171 | if (octeon_setup_instr_queues(octeon_dev)) { | |
4172 | dev_err(&octeon_dev->pci_dev->dev, | |
4173 | "instruction queue initialization failed\n"); | |
f21fb3ed RV |
4174 | return 1; |
4175 | } | |
4176 | atomic_set(&octeon_dev->status, OCT_DEV_INSTR_QUEUE_INIT_DONE); | |
4177 | ||
f21fb3ed RV |
4178 | /* Initialize lists to manage the requests of different types that |
4179 | * arrive from user & kernel applications for this octeon device. | |
4180 | */ | |
4181 | if (octeon_setup_response_list(octeon_dev)) { | |
4182 | dev_err(&octeon_dev->pci_dev->dev, "Response list allocation failed\n"); | |
4183 | return 1; | |
4184 | } | |
4185 | atomic_set(&octeon_dev->status, OCT_DEV_RESP_LIST_INIT_DONE); | |
4186 | ||
4187 | if (octeon_setup_output_queues(octeon_dev)) { | |
4188 | dev_err(&octeon_dev->pci_dev->dev, "Output queue initialization failed\n"); | |
1e0d30fe | 4189 | return 1; |
f21fb3ed RV |
4190 | } |
4191 | ||
4192 | atomic_set(&octeon_dev->status, OCT_DEV_DROQ_INIT_DONE); | |
4193 | ||
5b07aee1 | 4194 | if (OCTEON_CN23XX_PF(octeon_dev)) { |
5d65556b RV |
4195 | if (octeon_dev->fn_list.setup_mbox(octeon_dev)) { |
4196 | dev_err(&octeon_dev->pci_dev->dev, "OCTEON: Mailbox setup failed\n"); | |
4197 | return 1; | |
4198 | } | |
4199 | atomic_set(&octeon_dev->status, OCT_DEV_MBOX_SETUP_DONE); | |
4200 | ||
c33c9973 IB |
4201 | if (octeon_allocate_ioq_vector |
4202 | (octeon_dev, | |
4203 | octeon_dev->sriov_info.num_pf_rings)) { | |
5b07aee1 RV |
4204 | dev_err(&octeon_dev->pci_dev->dev, "OCTEON: ioq vector allocation failed\n"); |
4205 | return 1; | |
4206 | } | |
515e752d | 4207 | atomic_set(&octeon_dev->status, OCT_DEV_MSIX_ALLOC_VECTOR_DONE); |
5b07aee1 RV |
4208 | |
4209 | } else { | |
4210 | /* The input and output queue registers were setup earlier (the | |
4211 | * queues were not enabled). Any additional registers | |
4212 | * that need to be programmed should be done now. | |
4213 | */ | |
4214 | ret = octeon_dev->fn_list.setup_device_regs(octeon_dev); | |
4215 | if (ret) { | |
4216 | dev_err(&octeon_dev->pci_dev->dev, | |
4217 | "Failed to configure device registers\n"); | |
4218 | return ret; | |
4219 | } | |
f21fb3ed RV |
4220 | } |
4221 | ||
4222 | /* Initialize the tasklet that handles output queue packet processing.*/ | |
4223 | dev_dbg(&octeon_dev->pci_dev->dev, "Initializing droq tasklet\n"); | |
4224 | tasklet_init(&oct_priv->droq_tasklet, octeon_droq_bh, | |
4225 | (unsigned long)octeon_dev); | |
4226 | ||
4227 | /* Setup the interrupt handler and record the INT SUM register address | |
4228 | */ | |
a82457f1 IB |
4229 | if (octeon_setup_interrupt(octeon_dev, |
4230 | octeon_dev->sriov_info.num_pf_rings)) | |
1e0d30fe | 4231 | return 1; |
f21fb3ed RV |
4232 | |
4233 | /* Enable Octeon device interrupts */ | |
5b07aee1 | 4234 | octeon_dev->fn_list.enable_interrupt(octeon_dev, OCTEON_ALL_INTR); |
f21fb3ed | 4235 | |
515e752d RV |
4236 | atomic_set(&octeon_dev->status, OCT_DEV_INTR_SET_DONE); |
4237 | ||
3c57f615 RF |
4238 | /* Send Credit for Octeon Output queues. Credits are always sent BEFORE |
4239 | * the output queue is enabled. | |
4240 | * This ensures that we'll receive the f/w CORE DRV_ACTIVE message in | |
4241 | * case we've configured CN23XX_SLI_GBL_CONTROL[NOPTR_D] = 0. | |
4242 | * Otherwise, it is possible that the DRV_ACTIVE message will be sent | |
4243 | * before any credits have been issued, causing the ring to be reset | |
4244 | * (and the f/w appear to never have started). | |
4245 | */ | |
4246 | for (j = 0; j < octeon_dev->num_oqs; j++) | |
4247 | writel(octeon_dev->droq[j]->max_count, | |
4248 | octeon_dev->droq[j]->pkts_credit_reg); | |
4249 | ||
f21fb3ed | 4250 | /* Enable the input and output queues for this Octeon device */ |
1b7c55c4 RV |
4251 | ret = octeon_dev->fn_list.enable_io_queues(octeon_dev); |
4252 | if (ret) { | |
4253 | dev_err(&octeon_dev->pci_dev->dev, "Failed to enable input/output queues"); | |
4254 | return ret; | |
4255 | } | |
f21fb3ed RV |
4256 | |
4257 | atomic_set(&octeon_dev->status, OCT_DEV_IO_QUEUES_DONE); | |
4258 | ||
088b8749 | 4259 | if (fw_state == FW_NEEDS_TO_BE_LOADED) { |
c0eab5b3 RV |
4260 | dev_dbg(&octeon_dev->pci_dev->dev, "Waiting for DDR initialization...\n"); |
4261 | if (!ddr_timeout) { | |
4262 | dev_info(&octeon_dev->pci_dev->dev, | |
4263 | "WAITING. Set ddr_timeout to non-zero value to proceed with initialization.\n"); | |
4264 | } | |
f21fb3ed | 4265 | |
c0eab5b3 | 4266 | schedule_timeout_uninterruptible(HZ * LIO_RESET_SECS); |
f21fb3ed | 4267 | |
c0eab5b3 RV |
4268 | /* Wait for the octeon to initialize DDR after the soft-reset.*/ |
4269 | while (!ddr_timeout) { | |
4270 | set_current_state(TASK_INTERRUPTIBLE); | |
4271 | if (schedule_timeout(HZ / 10)) { | |
4272 | /* user probably pressed Control-C */ | |
4273 | return 1; | |
4274 | } | |
4275 | } | |
4276 | ret = octeon_wait_for_ddr_init(octeon_dev, &ddr_timeout); | |
4277 | if (ret) { | |
4278 | dev_err(&octeon_dev->pci_dev->dev, | |
4279 | "DDR not initialized. Please confirm that board is configured to boot from Flash, ret: %d\n", | |
4280 | ret); | |
4b129ae3 RV |
4281 | return 1; |
4282 | } | |
f21fb3ed | 4283 | |
c0eab5b3 RV |
4284 | if (octeon_wait_for_bootloader(octeon_dev, 1000)) { |
4285 | dev_err(&octeon_dev->pci_dev->dev, "Board not responding\n"); | |
4286 | return 1; | |
4287 | } | |
f21fb3ed | 4288 | |
c0eab5b3 RV |
4289 | /* Divert uboot to take commands from host instead. */ |
4290 | ret = octeon_console_send_cmd(octeon_dev, bootcmd, 50); | |
d3d7e6c6 | 4291 | |
c0eab5b3 RV |
4292 | dev_dbg(&octeon_dev->pci_dev->dev, "Initializing consoles\n"); |
4293 | ret = octeon_init_consoles(octeon_dev); | |
4294 | if (ret) { | |
4295 | dev_err(&octeon_dev->pci_dev->dev, "Could not access board consoles\n"); | |
4296 | return 1; | |
4297 | } | |
da1542b0 RF |
4298 | /* If console debug enabled, specify empty string to use default |
4299 | * enablement ELSE specify NULL string for 'disabled'. | |
4300 | */ | |
4301 | dbg_enb = octeon_console_debug_enabled(0) ? "" : NULL; | |
4302 | ret = octeon_add_console(octeon_dev, 0, dbg_enb); | |
c0eab5b3 RV |
4303 | if (ret) { |
4304 | dev_err(&octeon_dev->pci_dev->dev, "Could not access board console\n"); | |
4305 | return 1; | |
da1542b0 RF |
4306 | } else if (octeon_console_debug_enabled(0)) { |
4307 | /* If console was added AND we're logging console output | |
4308 | * then set our console print function. | |
4309 | */ | |
4310 | octeon_dev->console[0].print = octeon_dbg_console_print; | |
c0eab5b3 | 4311 | } |
f21fb3ed | 4312 | |
c0eab5b3 | 4313 | atomic_set(&octeon_dev->status, OCT_DEV_CONSOLE_INIT_DONE); |
f21fb3ed | 4314 | |
c0eab5b3 RV |
4315 | dev_dbg(&octeon_dev->pci_dev->dev, "Loading firmware\n"); |
4316 | ret = load_firmware(octeon_dev); | |
4317 | if (ret) { | |
4318 | dev_err(&octeon_dev->pci_dev->dev, "Could not load firmware to board\n"); | |
4319 | return 1; | |
4320 | } | |
088b8749 RF |
4321 | |
4322 | atomic_set(octeon_dev->adapter_fw_state, FW_HAS_BEEN_LOADED); | |
f21fb3ed RV |
4323 | } |
4324 | ||
4325 | handshake[octeon_dev->octeon_id].init_ok = 1; | |
4326 | complete(&handshake[octeon_dev->octeon_id].init); | |
4327 | ||
4328 | atomic_set(&octeon_dev->status, OCT_DEV_HOST_OK); | |
4329 | ||
f21fb3ed RV |
4330 | return 0; |
4331 | } | |
4332 | ||
da1542b0 RF |
4333 | /** |
4334 | * \brief Debug console print function | |
4335 | * @param octeon_dev octeon device | |
4336 | * @param console_num console number | |
4337 | * @param prefix first portion of line to display | |
4338 | * @param suffix second portion of line to display | |
4339 | * | |
4340 | * The OCTEON debug console outputs entire lines (excluding '\n'). | |
4341 | * Normally, the line will be passed in the 'prefix' parameter. | |
4342 | * However, due to buffering, it is possible for a line to be split into two | |
4343 | * parts, in which case they will be passed as the 'prefix' parameter and | |
4344 | * 'suffix' parameter. | |
4345 | */ | |
4346 | static int octeon_dbg_console_print(struct octeon_device *oct, u32 console_num, | |
4347 | char *prefix, char *suffix) | |
4348 | { | |
4349 | if (prefix && suffix) | |
4350 | dev_info(&oct->pci_dev->dev, "%u: %s%s\n", console_num, prefix, | |
4351 | suffix); | |
4352 | else if (prefix) | |
4353 | dev_info(&oct->pci_dev->dev, "%u: %s\n", console_num, prefix); | |
4354 | else if (suffix) | |
4355 | dev_info(&oct->pci_dev->dev, "%u: %s\n", console_num, suffix); | |
4356 | ||
4357 | return 0; | |
4358 | } | |
4359 | ||
f21fb3ed RV |
4360 | /** |
4361 | * \brief Exits the module | |
4362 | */ | |
4363 | static void __exit liquidio_exit(void) | |
4364 | { | |
4365 | liquidio_deinit_pci(); | |
4366 | ||
4367 | pr_info("LiquidIO network module is now unloaded\n"); | |
4368 | } | |
4369 | ||
4370 | module_init(liquidio_init); | |
4371 | module_exit(liquidio_exit); |