1 /* bnx2x_cmn.h: QLogic Everest network driver.
2 *
3 * Copyright (c) 2007-2013 Broadcom Corporation
4 * Copyright (c) 2014 QLogic Corporation
5 * All rights reserved
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation.
10 *
11 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
12 * Written by: Eliezer Tamir
13 * Based on code from Michael Chan's bnx2 driver
14 * UDP CSUM errata workaround by Arik Gendelman
15 * Slowpath and fastpath rework by Vladislav Zolotarov
16 * Statistics and Link management by Yitchak Gertner
17 *
18 */
19 #ifndef BNX2X_CMN_H
20 #define BNX2X_CMN_H
21
22 #include <linux/types.h>
23 #include <linux/pci.h>
24 #include <linux/netdevice.h>
25 #include <linux/etherdevice.h>
26 #include <linux/irq.h>
27
28 #include "bnx2x.h"
29 #include "bnx2x_sriov.h"
30
31 /* This is used as a replacement for an MCP if it's not present */
32 extern int bnx2x_load_count[2][3]; /* per-path: 0-common, 1-port0, 2-port1 */
33 extern int bnx2x_num_queues;
34
35 /************************ Macros ********************************/
36 #define BNX2X_PCI_FREE(x, y, size) \
37 do { \
38 if (x) { \
39 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
40 x = NULL; \
41 y = 0; \
42 } \
43 } while (0)
44
45 #define BNX2X_FREE(x) \
46 do { \
47 if (x) { \
48 kfree((void *)x); \
49 x = NULL; \
50 } \
51 } while (0)
52
53 #define BNX2X_PCI_ALLOC(y, size) \
54 ({ \
55 void *x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
56 if (x) \
57 DP(NETIF_MSG_HW, \
58 "BNX2X_PCI_ALLOC: Physical %Lx Virtual %p\n", \
59 (unsigned long long)(*y), x); \
60 x; \
61 })
62 #define BNX2X_PCI_FALLOC(y, size) \
63 ({ \
64 void *x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
65 if (x) { \
66 memset(x, 0xff, size); \
67 DP(NETIF_MSG_HW, \
68 "BNX2X_PCI_FALLOC: Physical %Lx Virtual %p\n", \
69 (unsigned long long)(*y), x); \
70 } \
71 x; \
72 })
73
74 /*********************** Interfaces ****************************
75 * Functions that need to be implemented by each driver version
76 */
77 /* Init */
78
79 /**
80 * bnx2x_send_unload_req - request unload mode from the MCP.
81 *
82 * @bp: driver handle
83 * @unload_mode: requested function's unload mode
84 *
85 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
86 */
87 u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode);
88
89 /**
90 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
91 *
92 * @bp: driver handle
93 * @keep_link: true iff link should be kept up
94 */
95 void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link);
96
97 /**
98 * bnx2x_config_rss_pf - configure RSS parameters in a PF.
99 *
100 * @bp: driver handle
101 * @rss_obj: RSS object to use
102 * @ind_table: indirection table to configure
103 * @config_hash: re-configure RSS hash keys configuration
104 * @enable: enabled or disabled configuration
105 */
106 int bnx2x_rss(struct bnx2x *bp, struct bnx2x_rss_config_obj *rss_obj,
107 bool config_hash, bool enable);
108
109 /**
110 * bnx2x__init_func_obj - init function object
111 *
112 * @bp: driver handle
113 *
114 * Initializes the Function Object with the appropriate
115 * parameters which include a function slow path driver
116 * interface.
117 */
118 void bnx2x__init_func_obj(struct bnx2x *bp);
119
120 /**
121 * bnx2x_setup_queue - setup eth queue.
122 *
123 * @bp: driver handle
124 * @fp: pointer to the fastpath structure
125 * @leading: boolean
126 *
127 */
128 int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
129 bool leading);
130
131 /**
132 * bnx2x_setup_leading - bring up a leading eth queue.
133 *
134 * @bp: driver handle
135 */
136 int bnx2x_setup_leading(struct bnx2x *bp);
137
138 /**
139 * bnx2x_fw_command - send the MCP a request
140 *
141 * @bp: driver handle
142 * @command: request
143 * @param: request's parameter
144 *
145 * block until there is a reply
146 */
147 u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param);
148
149 /**
150 * bnx2x_initial_phy_init - initialize link parameters structure variables.
151 *
152 * @bp: driver handle
153 * @load_mode: current mode
154 */
155 int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode);
156
157 /**
158 * bnx2x_link_set - configure hw according to link parameters structure.
159 *
160 * @bp: driver handle
161 */
162 void bnx2x_link_set(struct bnx2x *bp);
163
164 /**
165 * bnx2x_force_link_reset - Forces link reset, and put the PHY
166 * in reset as well.
167 *
168 * @bp: driver handle
169 */
170 void bnx2x_force_link_reset(struct bnx2x *bp);
171
172 /**
173 * bnx2x_link_test - query link status.
174 *
175 * @bp: driver handle
176 * @is_serdes: bool
177 *
178 * Returns 0 if link is UP.
179 */
180 u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes);
181
182 /**
183 * bnx2x_drv_pulse - write driver pulse to shmem
184 *
185 * @bp: driver handle
186 *
187 * writes the value in bp->fw_drv_pulse_wr_seq to drv_pulse mbox
188 * in the shmem.
189 */
190 void bnx2x_drv_pulse(struct bnx2x *bp);
191
192 /**
193 * bnx2x_igu_ack_sb - update IGU with current SB value
194 *
195 * @bp: driver handle
196 * @igu_sb_id: SB id
197 * @segment: SB segment
198 * @index: SB index
199 * @op: SB operation
200 * @update: is HW update required
201 */
202 void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
203 u16 index, u8 op, u8 update);
204
205 /* Disable transactions from chip to host */
206 void bnx2x_pf_disable(struct bnx2x *bp);
207 int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val);
208
209 /**
210 * bnx2x__link_status_update - handles link status change.
211 *
212 * @bp: driver handle
213 */
214 void bnx2x__link_status_update(struct bnx2x *bp);
215
216 /**
217 * bnx2x_link_report - report link status to upper layer.
218 *
219 * @bp: driver handle
220 */
221 void bnx2x_link_report(struct bnx2x *bp);
222
223 /* None-atomic version of bnx2x_link_report() */
224 void __bnx2x_link_report(struct bnx2x *bp);
225
226 /**
227 * bnx2x_get_mf_speed - calculate MF speed.
228 *
229 * @bp: driver handle
230 *
231 * Takes into account current linespeed and MF configuration.
232 */
233 u16 bnx2x_get_mf_speed(struct bnx2x *bp);
234
235 /**
236 * bnx2x_msix_sp_int - MSI-X slowpath interrupt handler
237 *
238 * @irq: irq number
239 * @dev_instance: private instance
240 */
241 irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance);
242
243 /**
244 * bnx2x_interrupt - non MSI-X interrupt handler
245 *
246 * @irq: irq number
247 * @dev_instance: private instance
248 */
249 irqreturn_t bnx2x_interrupt(int irq, void *dev_instance);
250
251 /**
252 * bnx2x_cnic_notify - send command to cnic driver
253 *
254 * @bp: driver handle
255 * @cmd: command
256 */
257 int bnx2x_cnic_notify(struct bnx2x *bp, int cmd);
258
259 /**
260 * bnx2x_setup_cnic_irq_info - provides cnic with IRQ information
261 *
262 * @bp: driver handle
263 */
264 void bnx2x_setup_cnic_irq_info(struct bnx2x *bp);
265
266 /**
267 * bnx2x_setup_cnic_info - provides cnic with updated info
268 *
269 * @bp: driver handle
270 */
271 void bnx2x_setup_cnic_info(struct bnx2x *bp);
272
273 /**
274 * bnx2x_int_enable - enable HW interrupts.
275 *
276 * @bp: driver handle
277 */
278 void bnx2x_int_enable(struct bnx2x *bp);
279
280 /**
281 * bnx2x_int_disable_sync - disable interrupts.
282 *
283 * @bp: driver handle
284 * @disable_hw: true, disable HW interrupts.
285 *
286 * This function ensures that there are no
287 * ISRs or SP DPCs (sp_task) are running after it returns.
288 */
289 void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw);
290
291 /**
292 * bnx2x_nic_init_cnic - init driver internals for cnic.
293 *
294 * @bp: driver handle
295 * @load_code: COMMON, PORT or FUNCTION
296 *
297 * Initializes:
298 * - rings
299 * - status blocks
300 * - etc.
301 */
302 void bnx2x_nic_init_cnic(struct bnx2x *bp);
303
304 /**
305 * bnx2x_preirq_nic_init - init driver internals.
306 *
307 * @bp: driver handle
308 *
309 * Initializes:
310 * - fastpath object
311 * - fastpath rings
312 * etc.
313 */
314 void bnx2x_pre_irq_nic_init(struct bnx2x *bp);
315
316 /**
317 * bnx2x_postirq_nic_init - init driver internals.
318 *
319 * @bp: driver handle
320 * @load_code: COMMON, PORT or FUNCTION
321 *
322 * Initializes:
323 * - status blocks
324 * - slowpath rings
325 * - etc.
326 */
327 void bnx2x_post_irq_nic_init(struct bnx2x *bp, u32 load_code);
328 /**
329 * bnx2x_alloc_mem_cnic - allocate driver's memory for cnic.
330 *
331 * @bp: driver handle
332 */
333 int bnx2x_alloc_mem_cnic(struct bnx2x *bp);
334 /**
335 * bnx2x_alloc_mem - allocate driver's memory.
336 *
337 * @bp: driver handle
338 */
339 int bnx2x_alloc_mem(struct bnx2x *bp);
340
341 /**
342 * bnx2x_free_mem_cnic - release driver's memory for cnic.
343 *
344 * @bp: driver handle
345 */
346 void bnx2x_free_mem_cnic(struct bnx2x *bp);
347 /**
348 * bnx2x_free_mem - release driver's memory.
349 *
350 * @bp: driver handle
351 */
352 void bnx2x_free_mem(struct bnx2x *bp);
353
354 /**
355 * bnx2x_set_num_queues - set number of queues according to mode.
356 *
357 * @bp: driver handle
358 */
359 void bnx2x_set_num_queues(struct bnx2x *bp);
360
361 /**
362 * bnx2x_chip_cleanup - cleanup chip internals.
363 *
364 * @bp: driver handle
365 * @unload_mode: COMMON, PORT, FUNCTION
366 * @keep_link: true iff link should be kept up.
367 *
368 * - Cleanup MAC configuration.
369 * - Closes clients.
370 * - etc.
371 */
372 void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link);
373
374 /**
375 * bnx2x_acquire_hw_lock - acquire HW lock.
376 *
377 * @bp: driver handle
378 * @resource: resource bit which was locked
379 */
380 int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource);
381
382 /**
383 * bnx2x_release_hw_lock - release HW lock.
384 *
385 * @bp: driver handle
386 * @resource: resource bit which was locked
387 */
388 int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource);
389
390 /**
391 * bnx2x_release_leader_lock - release recovery leader lock
392 *
393 * @bp: driver handle
394 */
395 int bnx2x_release_leader_lock(struct bnx2x *bp);
396
397 /**
398 * bnx2x_set_eth_mac - configure eth MAC address in the HW
399 *
400 * @bp: driver handle
401 * @set: set or clear
402 *
403 * Configures according to the value in netdev->dev_addr.
404 */
405 int bnx2x_set_eth_mac(struct bnx2x *bp, bool set);
406
407 /**
408 * bnx2x_set_rx_mode - set MAC filtering configurations.
409 *
410 * @dev: netdevice
411 *
412 * called with netif_tx_lock from dev_mcast.c
413 * If bp->state is OPEN, should be called with
414 * netif_addr_lock_bh()
415 */
416 void bnx2x_set_rx_mode_inner(struct bnx2x *bp);
417
418 /* Parity errors related */
419 void bnx2x_set_pf_load(struct bnx2x *bp);
420 bool bnx2x_clear_pf_load(struct bnx2x *bp);
421 bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print);
422 bool bnx2x_reset_is_done(struct bnx2x *bp, int engine);
423 void bnx2x_set_reset_in_progress(struct bnx2x *bp);
424 void bnx2x_set_reset_global(struct bnx2x *bp);
425 void bnx2x_disable_close_the_gate(struct bnx2x *bp);
426 int bnx2x_init_hw_func_cnic(struct bnx2x *bp);
427
428 void bnx2x_clear_vlan_info(struct bnx2x *bp);
429
430 /**
431 * bnx2x_sp_event - handle ramrods completion.
432 *
433 * @fp: fastpath handle for the event
434 * @rr_cqe: eth_rx_cqe
435 */
436 void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe);
437
438 /**
439 * bnx2x_ilt_set_info - prepare ILT configurations.
440 *
441 * @bp: driver handle
442 */
443 void bnx2x_ilt_set_info(struct bnx2x *bp);
444
445 /**
446 * bnx2x_ilt_set_cnic_info - prepare ILT configurations for SRC
447 * and TM.
448 *
449 * @bp: driver handle
450 */
451 void bnx2x_ilt_set_info_cnic(struct bnx2x *bp);
452
453 /**
454 * bnx2x_dcbx_init - initialize dcbx protocol.
455 *
456 * @bp: driver handle
457 */
458 void bnx2x_dcbx_init(struct bnx2x *bp, bool update_shmem);
459
460 /**
461 * bnx2x_set_power_state - set power state to the requested value.
462 *
463 * @bp: driver handle
464 * @state: required state D0 or D3hot
465 *
466 * Currently only D0 and D3hot are supported.
467 */
468 int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state);
469
470 /**
471 * bnx2x_update_max_mf_config - update MAX part of MF configuration in HW.
472 *
473 * @bp: driver handle
474 * @value: new value
475 */
476 void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value);
477 /* Error handling */
478 void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl);
479
480 /* dev_close main block */
481 int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link);
482
483 /* dev_open main block */
484 int bnx2x_nic_load(struct bnx2x *bp, int load_mode);
485
486 /* hard_xmit callback */
487 netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev);
488
489 /* setup_tc callback */
490 int bnx2x_setup_tc(struct net_device *dev, u8 num_tc);
491 int __bnx2x_setup_tc(struct net_device *dev, enum tc_setup_type type,
492 void *type_data);
493
494 int bnx2x_get_vf_config(struct net_device *dev, int vf,
495 struct ifla_vf_info *ivi);
496 int bnx2x_set_vf_mac(struct net_device *dev, int queue, u8 *mac);
497 int bnx2x_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos,
498 __be16 vlan_proto);
499 int bnx2x_set_vf_spoofchk(struct net_device *dev, int idx, bool val);
500
501 /* select_queue callback */
502 u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
503 struct net_device *sb_dev);
504
bnx2x_update_rx_prod(struct bnx2x * bp,struct bnx2x_fastpath * fp,u16 bd_prod,u16 rx_comp_prod,u16 rx_sge_prod)505 static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
506 struct bnx2x_fastpath *fp,
507 u16 bd_prod, u16 rx_comp_prod,
508 u16 rx_sge_prod)
509 {
510 struct ustorm_eth_rx_producers rx_prods = {0};
511 u32 i;
512
513 /* Update producers */
514 rx_prods.bd_prod = bd_prod;
515 rx_prods.cqe_prod = rx_comp_prod;
516 rx_prods.sge_prod = rx_sge_prod;
517
518 /* Make sure that the BD and SGE data is updated before updating the
519 * producers since FW might read the BD/SGE right after the producer
520 * is updated.
521 * This is only applicable for weak-ordered memory model archs such
522 * as IA-64. The following barrier is also mandatory since FW will
523 * assumes BDs must have buffers.
524 */
525 wmb();
526
527 for (i = 0; i < sizeof(rx_prods)/4; i++)
528 REG_WR_RELAXED(bp, fp->ustorm_rx_prods_offset + i * 4,
529 ((u32 *)&rx_prods)[i]);
530
531 DP(NETIF_MSG_RX_STATUS,
532 "queue[%d]: wrote bd_prod %u cqe_prod %u sge_prod %u\n",
533 fp->index, bd_prod, rx_comp_prod, rx_sge_prod);
534 }
535
536 /* reload helper */
537 int bnx2x_reload_if_running(struct net_device *dev);
538
539 int bnx2x_change_mac_addr(struct net_device *dev, void *p);
540
541 /* NAPI poll Tx part */
542 int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata);
543
544 extern const struct dev_pm_ops bnx2x_pm_ops;
545
546 /* Release IRQ vectors */
547 void bnx2x_free_irq(struct bnx2x *bp);
548
549 void bnx2x_free_fp_mem(struct bnx2x *bp);
550 void bnx2x_init_rx_rings(struct bnx2x *bp);
551 void bnx2x_init_rx_rings_cnic(struct bnx2x *bp);
552 void bnx2x_free_skbs(struct bnx2x *bp);
553 void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw);
554 void bnx2x_netif_start(struct bnx2x *bp);
555 int bnx2x_load_cnic(struct bnx2x *bp);
556
557 /**
558 * bnx2x_enable_msix - set msix configuration.
559 *
560 * @bp: driver handle
561 *
562 * fills msix_table, requests vectors, updates num_queues
563 * according to number of available vectors.
564 */
565 int bnx2x_enable_msix(struct bnx2x *bp);
566
567 /**
568 * bnx2x_enable_msi - request msi mode from OS, updated internals accordingly
569 *
570 * @bp: driver handle
571 */
572 int bnx2x_enable_msi(struct bnx2x *bp);
573
574 /**
575 * bnx2x_alloc_mem_bp - allocate memories outsize main driver structure
576 *
577 * @bp: driver handle
578 */
579 int bnx2x_alloc_mem_bp(struct bnx2x *bp);
580
581 /**
582 * bnx2x_free_mem_bp - release memories outsize main driver structure
583 *
584 * @bp: driver handle
585 */
586 void bnx2x_free_mem_bp(struct bnx2x *bp);
587
588 /**
589 * bnx2x_change_mtu - change mtu netdev callback
590 *
591 * @dev: net device
592 * @new_mtu: requested mtu
593 *
594 */
595 int bnx2x_change_mtu(struct net_device *dev, int new_mtu);
596
597 #ifdef NETDEV_FCOE_WWNN
598 /**
599 * bnx2x_fcoe_get_wwn - return the requested WWN value for this port
600 *
601 * @dev: net_device
602 * @wwn: output buffer
603 * @type: WWN type: NETDEV_FCOE_WWNN (node) or NETDEV_FCOE_WWPN (port)
604 *
605 */
606 int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type);
607 #endif
608
609 netdev_features_t bnx2x_fix_features(struct net_device *dev,
610 netdev_features_t features);
611 int bnx2x_set_features(struct net_device *dev, netdev_features_t features);
612
613 /**
614 * bnx2x_tx_timeout - tx timeout netdev callback
615 *
616 * @dev: net device
617 */
618 void bnx2x_tx_timeout(struct net_device *dev, unsigned int txqueue);
619
620 /** bnx2x_get_c2s_mapping - read inner-to-outer vlan configuration
621 * c2s_map should have BNX2X_MAX_PRIORITY entries.
622 * @bp: driver handle
623 * @c2s_map: should have BNX2X_MAX_PRIORITY entries for mapping
624 * @c2s_default: entry for non-tagged configuration
625 */
626 void bnx2x_get_c2s_mapping(struct bnx2x *bp, u8 *c2s_map, u8 *c2s_default);
627
628 /*********************** Inlines **********************************/
629 /*********************** Fast path ********************************/
bnx2x_update_fpsb_idx(struct bnx2x_fastpath * fp)630 static inline void bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
631 {
632 barrier(); /* status block is written to by the chip */
633 fp->fp_hc_idx = fp->sb_running_index[SM_RX_ID];
634 }
635
bnx2x_igu_ack_sb_gen(struct bnx2x * bp,u8 igu_sb_id,u8 segment,u16 index,u8 op,u8 update,u32 igu_addr)636 static inline void bnx2x_igu_ack_sb_gen(struct bnx2x *bp, u8 igu_sb_id,
637 u8 segment, u16 index, u8 op,
638 u8 update, u32 igu_addr)
639 {
640 struct igu_regular cmd_data = {0};
641
642 cmd_data.sb_id_and_flags =
643 ((index << IGU_REGULAR_SB_INDEX_SHIFT) |
644 (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
645 (update << IGU_REGULAR_BUPDATE_SHIFT) |
646 (op << IGU_REGULAR_ENABLE_INT_SHIFT));
647
648 DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n",
649 cmd_data.sb_id_and_flags, igu_addr);
650 REG_WR(bp, igu_addr, cmd_data.sb_id_and_flags);
651
652 /* Make sure that ACK is written */
653 barrier();
654 }
655
bnx2x_hc_ack_sb(struct bnx2x * bp,u8 sb_id,u8 storm,u16 index,u8 op,u8 update)656 static inline void bnx2x_hc_ack_sb(struct bnx2x *bp, u8 sb_id,
657 u8 storm, u16 index, u8 op, u8 update)
658 {
659 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
660 COMMAND_REG_INT_ACK);
661 struct igu_ack_register igu_ack;
662
663 igu_ack.status_block_index = index;
664 igu_ack.sb_id_and_flags =
665 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
666 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
667 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
668 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
669
670 REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
671
672 /* Make sure that ACK is written */
673 barrier();
674 }
675
bnx2x_ack_sb(struct bnx2x * bp,u8 igu_sb_id,u8 storm,u16 index,u8 op,u8 update)676 static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 storm,
677 u16 index, u8 op, u8 update)
678 {
679 if (bp->common.int_block == INT_BLOCK_HC)
680 bnx2x_hc_ack_sb(bp, igu_sb_id, storm, index, op, update);
681 else {
682 u8 segment;
683
684 if (CHIP_INT_MODE_IS_BC(bp))
685 segment = storm;
686 else if (igu_sb_id != bp->igu_dsb_id)
687 segment = IGU_SEG_ACCESS_DEF;
688 else if (storm == ATTENTION_ID)
689 segment = IGU_SEG_ACCESS_ATTN;
690 else
691 segment = IGU_SEG_ACCESS_DEF;
692 bnx2x_igu_ack_sb(bp, igu_sb_id, segment, index, op, update);
693 }
694 }
695
bnx2x_hc_ack_int(struct bnx2x * bp)696 static inline u16 bnx2x_hc_ack_int(struct bnx2x *bp)
697 {
698 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
699 COMMAND_REG_SIMD_MASK);
700 u32 result = REG_RD(bp, hc_addr);
701
702 barrier();
703 return result;
704 }
705
bnx2x_igu_ack_int(struct bnx2x * bp)706 static inline u16 bnx2x_igu_ack_int(struct bnx2x *bp)
707 {
708 u32 igu_addr = (BAR_IGU_INTMEM + IGU_REG_SISR_MDPC_WMASK_LSB_UPPER*8);
709 u32 result = REG_RD(bp, igu_addr);
710
711 DP(NETIF_MSG_INTR, "read 0x%08x from IGU addr 0x%x\n",
712 result, igu_addr);
713
714 barrier();
715 return result;
716 }
717
bnx2x_ack_int(struct bnx2x * bp)718 static inline u16 bnx2x_ack_int(struct bnx2x *bp)
719 {
720 barrier();
721 if (bp->common.int_block == INT_BLOCK_HC)
722 return bnx2x_hc_ack_int(bp);
723 else
724 return bnx2x_igu_ack_int(bp);
725 }
726
bnx2x_has_tx_work_unload(struct bnx2x_fp_txdata * txdata)727 static inline int bnx2x_has_tx_work_unload(struct bnx2x_fp_txdata *txdata)
728 {
729 /* Tell compiler that consumer and producer can change */
730 barrier();
731 return txdata->tx_pkt_prod != txdata->tx_pkt_cons;
732 }
733
bnx2x_tx_avail(struct bnx2x * bp,struct bnx2x_fp_txdata * txdata)734 static inline u16 bnx2x_tx_avail(struct bnx2x *bp,
735 struct bnx2x_fp_txdata *txdata)
736 {
737 s16 used;
738 u16 prod;
739 u16 cons;
740
741 prod = txdata->tx_bd_prod;
742 cons = txdata->tx_bd_cons;
743
744 used = SUB_S16(prod, cons);
745
746 #ifdef BNX2X_STOP_ON_ERROR
747 WARN_ON(used < 0);
748 WARN_ON(used > txdata->tx_ring_size);
749 WARN_ON((txdata->tx_ring_size - used) > MAX_TX_AVAIL);
750 #endif
751
752 return (s16)(txdata->tx_ring_size) - used;
753 }
754
bnx2x_tx_queue_has_work(struct bnx2x_fp_txdata * txdata)755 static inline int bnx2x_tx_queue_has_work(struct bnx2x_fp_txdata *txdata)
756 {
757 u16 hw_cons;
758
759 /* Tell compiler that status block fields can change */
760 barrier();
761 hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
762 return hw_cons != txdata->tx_pkt_cons;
763 }
764
bnx2x_has_tx_work(struct bnx2x_fastpath * fp)765 static inline bool bnx2x_has_tx_work(struct bnx2x_fastpath *fp)
766 {
767 u8 cos;
768 for_each_cos_in_tx_queue(fp, cos)
769 if (bnx2x_tx_queue_has_work(fp->txdata_ptr[cos]))
770 return true;
771 return false;
772 }
773
774 #define BNX2X_IS_CQE_COMPLETED(cqe_fp) (cqe_fp->marker == 0x0)
775 #define BNX2X_SEED_CQE(cqe_fp) (cqe_fp->marker = 0xFFFFFFFF)
bnx2x_has_rx_work(struct bnx2x_fastpath * fp)776 static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp)
777 {
778 u16 cons;
779 union eth_rx_cqe *cqe;
780 struct eth_fast_path_rx_cqe *cqe_fp;
781
782 cons = RCQ_BD(fp->rx_comp_cons);
783 cqe = &fp->rx_comp_ring[cons];
784 cqe_fp = &cqe->fast_path_cqe;
785 return BNX2X_IS_CQE_COMPLETED(cqe_fp);
786 }
787
788 /**
789 * bnx2x_tx_disable - disables tx from stack point of view
790 *
791 * @bp: driver handle
792 */
bnx2x_tx_disable(struct bnx2x * bp)793 static inline void bnx2x_tx_disable(struct bnx2x *bp)
794 {
795 netif_tx_disable(bp->dev);
796 netif_carrier_off(bp->dev);
797 }
798
bnx2x_free_rx_sge(struct bnx2x * bp,struct bnx2x_fastpath * fp,u16 index)799 static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
800 struct bnx2x_fastpath *fp, u16 index)
801 {
802 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
803 struct page *page = sw_buf->page;
804 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
805
806 /* Skip "next page" elements */
807 if (!page)
808 return;
809
810 /* Since many fragments can share the same page, make sure to
811 * only unmap and free the page once.
812 */
813 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(sw_buf, mapping),
814 SGE_PAGE_SIZE, DMA_FROM_DEVICE);
815
816 put_page(page);
817
818 sw_buf->page = NULL;
819 sge->addr_hi = 0;
820 sge->addr_lo = 0;
821 }
822
bnx2x_del_all_napi_cnic(struct bnx2x * bp)823 static inline void bnx2x_del_all_napi_cnic(struct bnx2x *bp)
824 {
825 int i;
826
827 for_each_rx_queue_cnic(bp, i) {
828 __netif_napi_del(&bnx2x_fp(bp, i, napi));
829 }
830 synchronize_net();
831 }
832
bnx2x_del_all_napi(struct bnx2x * bp)833 static inline void bnx2x_del_all_napi(struct bnx2x *bp)
834 {
835 int i;
836
837 for_each_eth_queue(bp, i) {
838 __netif_napi_del(&bnx2x_fp(bp, i, napi));
839 }
840 synchronize_net();
841 }
842
843 int bnx2x_set_int_mode(struct bnx2x *bp);
844
bnx2x_disable_msi(struct bnx2x * bp)845 static inline void bnx2x_disable_msi(struct bnx2x *bp)
846 {
847 if (bp->flags & USING_MSIX_FLAG) {
848 pci_disable_msix(bp->pdev);
849 bp->flags &= ~(USING_MSIX_FLAG | USING_SINGLE_MSIX_FLAG);
850 } else if (bp->flags & USING_MSI_FLAG) {
851 pci_disable_msi(bp->pdev);
852 bp->flags &= ~USING_MSI_FLAG;
853 }
854 }
855
bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath * fp)856 static inline void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
857 {
858 int i, j;
859
860 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
861 int idx = RX_SGE_CNT * i - 1;
862
863 for (j = 0; j < 2; j++) {
864 BIT_VEC64_CLEAR_BIT(fp->sge_mask, idx);
865 idx--;
866 }
867 }
868 }
869
bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath * fp)870 static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
871 {
872 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
873 memset(fp->sge_mask, 0xff, sizeof(fp->sge_mask));
874
875 /* Clear the two last indices in the page to 1:
876 these are the indices that correspond to the "next" element,
877 hence will never be indicated and should be removed from
878 the calculations. */
879 bnx2x_clear_sge_mask_next_elems(fp);
880 }
881
882 /* note that we are not allocating a new buffer,
883 * we are just moving one from cons to prod
884 * we are not creating a new mapping,
885 * so there is no need to check for dma_mapping_error().
886 */
bnx2x_reuse_rx_data(struct bnx2x_fastpath * fp,u16 cons,u16 prod)887 static inline void bnx2x_reuse_rx_data(struct bnx2x_fastpath *fp,
888 u16 cons, u16 prod)
889 {
890 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
891 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
892 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
893 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
894
895 dma_unmap_addr_set(prod_rx_buf, mapping,
896 dma_unmap_addr(cons_rx_buf, mapping));
897 prod_rx_buf->data = cons_rx_buf->data;
898 *prod_bd = *cons_bd;
899 }
900
901 /************************* Init ******************************************/
902
903 /* returns func by VN for current port */
func_by_vn(struct bnx2x * bp,int vn)904 static inline int func_by_vn(struct bnx2x *bp, int vn)
905 {
906 return 2 * vn + BP_PORT(bp);
907 }
908
bnx2x_config_rss_eth(struct bnx2x * bp,bool config_hash)909 static inline int bnx2x_config_rss_eth(struct bnx2x *bp, bool config_hash)
910 {
911 return bnx2x_rss(bp, &bp->rss_conf_obj, config_hash, true);
912 }
913
914 /**
915 * bnx2x_func_start - init function
916 *
917 * @bp: driver handle
918 *
919 * Must be called before sending CLIENT_SETUP for the first client.
920 */
bnx2x_func_start(struct bnx2x * bp)921 static inline int bnx2x_func_start(struct bnx2x *bp)
922 {
923 struct bnx2x_func_state_params func_params = {NULL};
924 struct bnx2x_func_start_params *start_params =
925 &func_params.params.start;
926 u16 port;
927
928 /* Prepare parameters for function state transitions */
929 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
930
931 func_params.f_obj = &bp->func_obj;
932 func_params.cmd = BNX2X_F_CMD_START;
933
934 /* Function parameters */
935 start_params->mf_mode = bp->mf_mode;
936 start_params->sd_vlan_tag = bp->mf_ov;
937
938 /* Configure Ethertype for BD mode */
939 if (IS_MF_BD(bp)) {
940 DP(NETIF_MSG_IFUP, "Configuring ethertype 0x88a8 for BD\n");
941 start_params->sd_vlan_eth_type = ETH_P_8021AD;
942 REG_WR(bp, PRS_REG_VLAN_TYPE_0, ETH_P_8021AD);
943 REG_WR(bp, PBF_REG_VLAN_TYPE_0, ETH_P_8021AD);
944 REG_WR(bp, NIG_REG_LLH_E1HOV_TYPE_1, ETH_P_8021AD);
945
946 bnx2x_get_c2s_mapping(bp, start_params->c2s_pri,
947 &start_params->c2s_pri_default);
948 start_params->c2s_pri_valid = 1;
949
950 DP(NETIF_MSG_IFUP,
951 "Inner-to-Outer priority: %02x %02x %02x %02x %02x %02x %02x %02x [Default %02x]\n",
952 start_params->c2s_pri[0], start_params->c2s_pri[1],
953 start_params->c2s_pri[2], start_params->c2s_pri[3],
954 start_params->c2s_pri[4], start_params->c2s_pri[5],
955 start_params->c2s_pri[6], start_params->c2s_pri[7],
956 start_params->c2s_pri_default);
957 }
958
959 if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp))
960 start_params->network_cos_mode = STATIC_COS;
961 else /* CHIP_IS_E1X */
962 start_params->network_cos_mode = FW_WRR;
963 if (bp->udp_tunnel_ports[BNX2X_UDP_PORT_VXLAN]) {
964 port = bp->udp_tunnel_ports[BNX2X_UDP_PORT_VXLAN];
965 start_params->vxlan_dst_port = port;
966 }
967 if (bp->udp_tunnel_ports[BNX2X_UDP_PORT_GENEVE]) {
968 port = bp->udp_tunnel_ports[BNX2X_UDP_PORT_GENEVE];
969 start_params->geneve_dst_port = port;
970 }
971
972 start_params->inner_rss = 1;
973
974 if (IS_MF_UFP(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) {
975 start_params->class_fail_ethtype = ETH_P_FIP;
976 start_params->class_fail = 1;
977 start_params->no_added_tags = 1;
978 }
979
980 return bnx2x_func_state_change(bp, &func_params);
981 }
982
983 /**
984 * bnx2x_set_fw_mac_addr - fill in a MAC address in FW format
985 *
986 * @fw_hi: pointer to upper part
987 * @fw_mid: pointer to middle part
988 * @fw_lo: pointer to lower part
989 * @mac: pointer to MAC address
990 */
bnx2x_set_fw_mac_addr(__le16 * fw_hi,__le16 * fw_mid,__le16 * fw_lo,u8 * mac)991 static inline void bnx2x_set_fw_mac_addr(__le16 *fw_hi, __le16 *fw_mid,
992 __le16 *fw_lo, u8 *mac)
993 {
994 ((u8 *)fw_hi)[0] = mac[1];
995 ((u8 *)fw_hi)[1] = mac[0];
996 ((u8 *)fw_mid)[0] = mac[3];
997 ((u8 *)fw_mid)[1] = mac[2];
998 ((u8 *)fw_lo)[0] = mac[5];
999 ((u8 *)fw_lo)[1] = mac[4];
1000 }
1001
bnx2x_free_rx_mem_pool(struct bnx2x * bp,struct bnx2x_alloc_pool * pool)1002 static inline void bnx2x_free_rx_mem_pool(struct bnx2x *bp,
1003 struct bnx2x_alloc_pool *pool)
1004 {
1005 if (!pool->page)
1006 return;
1007
1008 put_page(pool->page);
1009
1010 pool->page = NULL;
1011 }
1012
bnx2x_free_rx_sge_range(struct bnx2x * bp,struct bnx2x_fastpath * fp,int last)1013 static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
1014 struct bnx2x_fastpath *fp, int last)
1015 {
1016 int i;
1017
1018 if (fp->mode == TPA_MODE_DISABLED)
1019 return;
1020
1021 for (i = 0; i < last; i++)
1022 bnx2x_free_rx_sge(bp, fp, i);
1023
1024 bnx2x_free_rx_mem_pool(bp, &fp->page_pool);
1025 }
1026
bnx2x_set_next_page_rx_bd(struct bnx2x_fastpath * fp)1027 static inline void bnx2x_set_next_page_rx_bd(struct bnx2x_fastpath *fp)
1028 {
1029 int i;
1030
1031 for (i = 1; i <= NUM_RX_RINGS; i++) {
1032 struct eth_rx_bd *rx_bd;
1033
1034 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
1035 rx_bd->addr_hi =
1036 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
1037 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
1038 rx_bd->addr_lo =
1039 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
1040 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
1041 }
1042 }
1043
1044 /* Statistics ID are global per chip/path, while Client IDs for E1x are per
1045 * port.
1046 */
bnx2x_stats_id(struct bnx2x_fastpath * fp)1047 static inline u8 bnx2x_stats_id(struct bnx2x_fastpath *fp)
1048 {
1049 struct bnx2x *bp = fp->bp;
1050 if (!CHIP_IS_E1x(bp)) {
1051 /* there are special statistics counters for FCoE 136..140 */
1052 if (IS_FCOE_FP(fp))
1053 return bp->cnic_base_cl_id + (bp->pf_num >> 1);
1054 return fp->cl_id;
1055 }
1056 return fp->cl_id + BP_PORT(bp) * FP_SB_MAX_E1x;
1057 }
1058
bnx2x_init_vlan_mac_fp_objs(struct bnx2x_fastpath * fp,bnx2x_obj_type obj_type)1059 static inline void bnx2x_init_vlan_mac_fp_objs(struct bnx2x_fastpath *fp,
1060 bnx2x_obj_type obj_type)
1061 {
1062 struct bnx2x *bp = fp->bp;
1063
1064 /* Configure classification DBs */
1065 bnx2x_init_mac_obj(bp, &bnx2x_sp_obj(bp, fp).mac_obj, fp->cl_id,
1066 fp->cid, BP_FUNC(bp), bnx2x_sp(bp, mac_rdata),
1067 bnx2x_sp_mapping(bp, mac_rdata),
1068 BNX2X_FILTER_MAC_PENDING,
1069 &bp->sp_state, obj_type,
1070 &bp->macs_pool);
1071
1072 if (!CHIP_IS_E1x(bp))
1073 bnx2x_init_vlan_obj(bp, &bnx2x_sp_obj(bp, fp).vlan_obj,
1074 fp->cl_id, fp->cid, BP_FUNC(bp),
1075 bnx2x_sp(bp, vlan_rdata),
1076 bnx2x_sp_mapping(bp, vlan_rdata),
1077 BNX2X_FILTER_VLAN_PENDING,
1078 &bp->sp_state, obj_type,
1079 &bp->vlans_pool);
1080 }
1081
1082 /**
1083 * bnx2x_get_path_func_num - get number of active functions
1084 *
1085 * @bp: driver handle
1086 *
1087 * Calculates the number of active (not hidden) functions on the
1088 * current path.
1089 */
bnx2x_get_path_func_num(struct bnx2x * bp)1090 static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp)
1091 {
1092 u8 func_num = 0, i;
1093
1094 /* 57710 has only one function per-port */
1095 if (CHIP_IS_E1(bp))
1096 return 1;
1097
1098 /* Calculate a number of functions enabled on the current
1099 * PATH/PORT.
1100 */
1101 if (CHIP_REV_IS_SLOW(bp)) {
1102 if (IS_MF(bp))
1103 func_num = 4;
1104 else
1105 func_num = 2;
1106 } else {
1107 for (i = 0; i < E1H_FUNC_MAX / 2; i++) {
1108 u32 func_config =
1109 MF_CFG_RD(bp,
1110 func_mf_config[BP_PATH(bp) + 2 * i].
1111 config);
1112 func_num +=
1113 ((func_config & FUNC_MF_CFG_FUNC_HIDE) ? 0 : 1);
1114 }
1115 }
1116
1117 WARN_ON(!func_num);
1118
1119 return func_num;
1120 }
1121
bnx2x_init_bp_objs(struct bnx2x * bp)1122 static inline void bnx2x_init_bp_objs(struct bnx2x *bp)
1123 {
1124 /* RX_MODE controlling object */
1125 bnx2x_init_rx_mode_obj(bp, &bp->rx_mode_obj);
1126
1127 /* multicast configuration controlling object */
1128 bnx2x_init_mcast_obj(bp, &bp->mcast_obj, bp->fp->cl_id, bp->fp->cid,
1129 BP_FUNC(bp), BP_FUNC(bp),
1130 bnx2x_sp(bp, mcast_rdata),
1131 bnx2x_sp_mapping(bp, mcast_rdata),
1132 BNX2X_FILTER_MCAST_PENDING, &bp->sp_state,
1133 BNX2X_OBJ_TYPE_RX);
1134
1135 /* Setup CAM credit pools */
1136 bnx2x_init_mac_credit_pool(bp, &bp->macs_pool, BP_FUNC(bp),
1137 bnx2x_get_path_func_num(bp));
1138
1139 bnx2x_init_vlan_credit_pool(bp, &bp->vlans_pool, BP_FUNC(bp),
1140 bnx2x_get_path_func_num(bp));
1141
1142 /* RSS configuration object */
1143 bnx2x_init_rss_config_obj(bp, &bp->rss_conf_obj, bp->fp->cl_id,
1144 bp->fp->cid, BP_FUNC(bp), BP_FUNC(bp),
1145 bnx2x_sp(bp, rss_rdata),
1146 bnx2x_sp_mapping(bp, rss_rdata),
1147 BNX2X_FILTER_RSS_CONF_PENDING, &bp->sp_state,
1148 BNX2X_OBJ_TYPE_RX);
1149
1150 bp->vlan_credit = PF_VLAN_CREDIT_E2(bp, bnx2x_get_path_func_num(bp));
1151 }
1152
bnx2x_fp_qzone_id(struct bnx2x_fastpath * fp)1153 static inline u8 bnx2x_fp_qzone_id(struct bnx2x_fastpath *fp)
1154 {
1155 if (CHIP_IS_E1x(fp->bp))
1156 return fp->cl_id + BP_PORT(fp->bp) * ETH_MAX_RX_CLIENTS_E1H;
1157 else
1158 return fp->cl_id;
1159 }
1160
bnx2x_init_txdata(struct bnx2x * bp,struct bnx2x_fp_txdata * txdata,u32 cid,int txq_index,__le16 * tx_cons_sb,struct bnx2x_fastpath * fp)1161 static inline void bnx2x_init_txdata(struct bnx2x *bp,
1162 struct bnx2x_fp_txdata *txdata, u32 cid,
1163 int txq_index, __le16 *tx_cons_sb,
1164 struct bnx2x_fastpath *fp)
1165 {
1166 txdata->cid = cid;
1167 txdata->txq_index = txq_index;
1168 txdata->tx_cons_sb = tx_cons_sb;
1169 txdata->parent_fp = fp;
1170 txdata->tx_ring_size = IS_FCOE_FP(fp) ? MAX_TX_AVAIL : bp->tx_ring_size;
1171
1172 DP(NETIF_MSG_IFUP, "created tx data cid %d, txq %d\n",
1173 txdata->cid, txdata->txq_index);
1174 }
1175
bnx2x_cnic_eth_cl_id(struct bnx2x * bp,u8 cl_idx)1176 static inline u8 bnx2x_cnic_eth_cl_id(struct bnx2x *bp, u8 cl_idx)
1177 {
1178 return bp->cnic_base_cl_id + cl_idx +
1179 (bp->pf_num >> 1) * BNX2X_MAX_CNIC_ETH_CL_ID_IDX;
1180 }
1181
bnx2x_cnic_fw_sb_id(struct bnx2x * bp)1182 static inline u8 bnx2x_cnic_fw_sb_id(struct bnx2x *bp)
1183 {
1184 /* the 'first' id is allocated for the cnic */
1185 return bp->base_fw_ndsb;
1186 }
1187
bnx2x_cnic_igu_sb_id(struct bnx2x * bp)1188 static inline u8 bnx2x_cnic_igu_sb_id(struct bnx2x *bp)
1189 {
1190 return bp->igu_base_sb;
1191 }
1192
bnx2x_clean_tx_queue(struct bnx2x * bp,struct bnx2x_fp_txdata * txdata)1193 static inline int bnx2x_clean_tx_queue(struct bnx2x *bp,
1194 struct bnx2x_fp_txdata *txdata)
1195 {
1196 int cnt = 1000;
1197
1198 while (bnx2x_has_tx_work_unload(txdata)) {
1199 if (!cnt) {
1200 BNX2X_ERR("timeout waiting for queue[%d]: txdata->tx_pkt_prod(%d) != txdata->tx_pkt_cons(%d)\n",
1201 txdata->txq_index, txdata->tx_pkt_prod,
1202 txdata->tx_pkt_cons);
1203 #ifdef BNX2X_STOP_ON_ERROR
1204 bnx2x_panic();
1205 return -EBUSY;
1206 #else
1207 break;
1208 #endif
1209 }
1210 cnt--;
1211 usleep_range(1000, 2000);
1212 }
1213
1214 return 0;
1215 }
1216
1217 int bnx2x_get_link_cfg_idx(struct bnx2x *bp);
1218
__storm_memset_struct(struct bnx2x * bp,u32 addr,size_t size,u32 * data)1219 static inline void __storm_memset_struct(struct bnx2x *bp,
1220 u32 addr, size_t size, u32 *data)
1221 {
1222 int i;
1223 for (i = 0; i < size/4; i++)
1224 REG_WR(bp, addr + (i * 4), data[i]);
1225 }
1226
1227 /**
1228 * bnx2x_wait_sp_comp - wait for the outstanding SP commands.
1229 *
1230 * @bp: driver handle
1231 * @mask: bits that need to be cleared
1232 */
bnx2x_wait_sp_comp(struct bnx2x * bp,unsigned long mask)1233 static inline bool bnx2x_wait_sp_comp(struct bnx2x *bp, unsigned long mask)
1234 {
1235 int tout = 5000; /* Wait for 5 secs tops */
1236
1237 while (tout--) {
1238 smp_mb();
1239 netif_addr_lock_bh(bp->dev);
1240 if (!(bp->sp_state & mask)) {
1241 netif_addr_unlock_bh(bp->dev);
1242 return true;
1243 }
1244 netif_addr_unlock_bh(bp->dev);
1245
1246 usleep_range(1000, 2000);
1247 }
1248
1249 smp_mb();
1250
1251 netif_addr_lock_bh(bp->dev);
1252 if (bp->sp_state & mask) {
1253 BNX2X_ERR("Filtering completion timed out. sp_state 0x%lx, mask 0x%lx\n",
1254 bp->sp_state, mask);
1255 netif_addr_unlock_bh(bp->dev);
1256 return false;
1257 }
1258 netif_addr_unlock_bh(bp->dev);
1259
1260 return true;
1261 }
1262
1263 /**
1264 * bnx2x_set_ctx_validation - set CDU context validation values
1265 *
1266 * @bp: driver handle
1267 * @cxt: context of the connection on the host memory
1268 * @cid: SW CID of the connection to be configured
1269 */
1270 void bnx2x_set_ctx_validation(struct bnx2x *bp, struct eth_context *cxt,
1271 u32 cid);
1272
1273 void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u8 fw_sb_id,
1274 u8 sb_index, u8 disable, u16 usec);
1275 void bnx2x_acquire_phy_lock(struct bnx2x *bp);
1276 void bnx2x_release_phy_lock(struct bnx2x *bp);
1277
1278 /**
1279 * bnx2x_extract_max_cfg - extract MAX BW part from MF configuration.
1280 *
1281 * @bp: driver handle
1282 * @mf_cfg: MF configuration
1283 *
1284 */
bnx2x_extract_max_cfg(struct bnx2x * bp,u32 mf_cfg)1285 static inline u16 bnx2x_extract_max_cfg(struct bnx2x *bp, u32 mf_cfg)
1286 {
1287 u16 max_cfg = (mf_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
1288 FUNC_MF_CFG_MAX_BW_SHIFT;
1289 if (!max_cfg) {
1290 DP(NETIF_MSG_IFUP | BNX2X_MSG_ETHTOOL,
1291 "Max BW configured to 0 - using 100 instead\n");
1292 max_cfg = 100;
1293 }
1294 return max_cfg;
1295 }
1296
1297 /* checks if HW supports GRO for given MTU */
bnx2x_mtu_allows_gro(int mtu)1298 static inline bool bnx2x_mtu_allows_gro(int mtu)
1299 {
1300 /* gro frags per page */
1301 int fpp = SGE_PAGE_SIZE / (mtu - ETH_MAX_TPA_HEADER_SIZE);
1302
1303 /*
1304 * 1. Number of frags should not grow above MAX_SKB_FRAGS
1305 * 2. Frag must fit the page
1306 */
1307 return mtu <= SGE_PAGE_SIZE && (U_ETH_SGL_SIZE * fpp) <= MAX_SKB_FRAGS;
1308 }
1309
1310 /**
1311 * bnx2x_get_iscsi_info - update iSCSI params according to licensing info.
1312 *
1313 * @bp: driver handle
1314 *
1315 */
1316 void bnx2x_get_iscsi_info(struct bnx2x *bp);
1317
1318 /**
1319 * bnx2x_link_sync_notify - send notification to other functions.
1320 *
1321 * @bp: driver handle
1322 *
1323 */
bnx2x_link_sync_notify(struct bnx2x * bp)1324 static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
1325 {
1326 int func;
1327 int vn;
1328
1329 /* Set the attention towards other drivers on the same port */
1330 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
1331 if (vn == BP_VN(bp))
1332 continue;
1333
1334 func = func_by_vn(bp, vn);
1335 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
1336 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
1337 }
1338 }
1339
1340 /**
1341 * bnx2x_update_drv_flags - update flags in shmem
1342 *
1343 * @bp: driver handle
1344 * @flags: flags to update
1345 * @set: set or clear
1346 *
1347 */
bnx2x_update_drv_flags(struct bnx2x * bp,u32 flags,u32 set)1348 static inline void bnx2x_update_drv_flags(struct bnx2x *bp, u32 flags, u32 set)
1349 {
1350 if (SHMEM2_HAS(bp, drv_flags)) {
1351 u32 drv_flags;
1352 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS);
1353 drv_flags = SHMEM2_RD(bp, drv_flags);
1354
1355 if (set)
1356 SET_FLAGS(drv_flags, flags);
1357 else
1358 RESET_FLAGS(drv_flags, flags);
1359
1360 SHMEM2_WR(bp, drv_flags, drv_flags);
1361 DP(NETIF_MSG_IFUP, "drv_flags 0x%08x\n", drv_flags);
1362 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS);
1363 }
1364 }
1365
1366
1367
1368 /**
1369 * bnx2x_fill_fw_str - Fill buffer with FW version string
1370 *
1371 * @bp: driver handle
1372 * @buf: character buffer to fill with the fw name
1373 * @buf_len: length of the above buffer
1374 *
1375 */
1376 void bnx2x_fill_fw_str(struct bnx2x *bp, char *buf, size_t buf_len);
1377
1378 int bnx2x_drain_tx_queues(struct bnx2x *bp);
1379 void bnx2x_squeeze_objects(struct bnx2x *bp);
1380
1381 void bnx2x_schedule_sp_rtnl(struct bnx2x*, enum sp_rtnl_flag,
1382 u32 verbose);
1383
1384 /**
1385 * bnx2x_set_os_driver_state - write driver state for management FW usage
1386 *
1387 * @bp: driver handle
1388 * @state: OS_DRIVER_STATE_* value reflecting current driver state
1389 */
1390 void bnx2x_set_os_driver_state(struct bnx2x *bp, u32 state);
1391
1392 /**
1393 * bnx2x_nvram_read - reads data from nvram [might sleep]
1394 *
1395 * @bp: driver handle
1396 * @offset: byte offset in nvram
1397 * @ret_buf: pointer to buffer where data is to be stored
1398 * @buf_size: Length of 'ret_buf' in bytes
1399 */
1400 int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
1401 int buf_size);
1402
1403 #endif /* BNX2X_CMN_H */
1404