bnx2x_cmn.h 38.4 KB
Newer Older
1 2
/* bnx2x_cmn.h: Broadcom Everest network driver.
 *
3
 * Copyright (c) 2007-2011 Broadcom Corporation
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
 * Written by: Eliezer Tamir
 * Based on code from Michael Chan's bnx2 driver
 * UDP CSUM errata workaround by Arik Gendelman
 * Slowpath and fastpath rework by Vladislav Zolotarov
 * Statistics and Link management by Yitchak Gertner
 *
 */
#ifndef BNX2X_CMN_H
#define BNX2X_CMN_H

#include <linux/types.h>
21
#include <linux/pci.h>
22
#include <linux/netdevice.h>
Dmitry Kravkov's avatar
Dmitry Kravkov committed
23
#include <linux/etherdevice.h>
24 25 26 27


#include "bnx2x.h"

28 29 30
/* This is used as a replacement for an MCP if it's not present */
extern int load_count[2][3]; /* per-path: 0-common, 1-port0, 2-port1 */

31
extern int num_queues;
32

33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65
/************************ Macros ********************************/
#define BNX2X_PCI_FREE(x, y, size) \
	do { \
		if (x) { \
			dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
			x = NULL; \
			y = 0; \
		} \
	} while (0)

#define BNX2X_FREE(x) \
	do { \
		if (x) { \
			kfree((void *)x); \
			x = NULL; \
		} \
	} while (0)

#define BNX2X_PCI_ALLOC(x, y, size) \
	do { \
		x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
		if (x == NULL) \
			goto alloc_mem_err; \
		memset((void *)x, 0, size); \
	} while (0)

#define BNX2X_ALLOC(x, size) \
	do { \
		x = kzalloc(size, GFP_KERNEL); \
		if (x == NULL) \
			goto alloc_mem_err; \
	} while (0)

66 67 68
/*********************** Interfaces ****************************
 *  Functions that need to be implemented by each driver version
 */
69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135
/* Init */

/**
 * bnx2x_send_unload_req - request unload mode from the MCP.
 *
 * @bp:			driver handle
 * @unload_mode:	requested function's unload mode
 *
 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
 */
u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode);

/**
 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
 *
 * @bp:		driver handle
 */
void bnx2x_send_unload_done(struct bnx2x *bp);

/**
 * bnx2x_config_rss_pf - configure RSS parameters.
 *
 * @bp:			driver handle
 * @ind_table:		indirection table to configure
 * @config_hash:	re-configure RSS hash keys configuration
 */
int bnx2x_config_rss_pf(struct bnx2x *bp, u8 *ind_table, bool config_hash);

/**
 * bnx2x__init_func_obj - init function object
 *
 * @bp:			driver handle
 *
 * Initializes the Function Object with the appropriate
 * parameters which include a function slow path driver
 * interface.
 */
void bnx2x__init_func_obj(struct bnx2x *bp);

/**
 * bnx2x_setup_queue - setup eth queue.
 *
 * @bp:		driver handle
 * @fp:		pointer to the fastpath structure
 * @leading:	boolean
 *
 */
int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
		       bool leading);

/**
 * bnx2x_setup_leading - bring up a leading eth queue.
 *
 * @bp:		driver handle
 */
int bnx2x_setup_leading(struct bnx2x *bp);

/**
 * bnx2x_fw_command - send the MCP a request
 *
 * @bp:		driver handle
 * @command:	request
 * @param:	request's parameter
 *
 * block until there is a reply
 */
u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param);
136 137

/**
138
 * bnx2x_initial_phy_init - initialize link parameters structure variables.
139
 *
140 141
 * @bp:		driver handle
 * @load_mode:	current mode
142 143 144 145
 */
u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode);

/**
146
 * bnx2x_link_set - configure hw according to link parameters structure.
147
 *
148
 * @bp:		driver handle
149 150 151 152
 */
void bnx2x_link_set(struct bnx2x *bp);

/**
153
 * bnx2x_link_test - query link status.
154
 *
155 156
 * @bp:		driver handle
 * @is_serdes:	bool
157
 *
158
 * Returns 0 if link is UP.
159
 */
Yaniv Rosner's avatar
Yaniv Rosner committed
160
u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes);
161

162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184
/**
 * bnx2x_drv_pulse - write driver pulse to shmem
 *
 * @bp:		driver handle
 *
 * writes the value in bp->fw_drv_pulse_wr_seq to drv_pulse mbox
 * in the shmem.
 */
void bnx2x_drv_pulse(struct bnx2x *bp);

/**
 * bnx2x_igu_ack_sb - update IGU with current SB value
 *
 * @bp:		driver handle
 * @igu_sb_id:	SB id
 * @segment:	SB segment
 * @index:	SB index
 * @op:		SB operation
 * @update:	is HW update required
 */
void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
		      u16 index, u8 op, u8 update);

185 186 187
/* Disable transactions from chip to host */
void bnx2x_pf_disable(struct bnx2x *bp);

188
/**
189
 * bnx2x__link_status_update - handles link status change.
190
 *
191
 * @bp:		driver handle
192 193 194
 */
void bnx2x__link_status_update(struct bnx2x *bp);

Dmitry Kravkov's avatar
Dmitry Kravkov committed
195
/**
196
 * bnx2x_link_report - report link status to upper layer.
Dmitry Kravkov's avatar
Dmitry Kravkov committed
197
 *
198
 * @bp:		driver handle
Dmitry Kravkov's avatar
Dmitry Kravkov committed
199 200 201
 */
void bnx2x_link_report(struct bnx2x *bp);

202 203 204
/* None-atomic version of bnx2x_link_report() */
void __bnx2x_link_report(struct bnx2x *bp);

205
/**
206
 * bnx2x_get_mf_speed - calculate MF speed.
207
 *
208
 * @bp:		driver handle
209
 *
210
 * Takes into account current linespeed and MF configuration.
211 212 213
 */
u16 bnx2x_get_mf_speed(struct bnx2x *bp);

214
/**
215
 * bnx2x_msix_sp_int - MSI-X slowpath interrupt handler
216
 *
217 218
 * @irq:		irq number
 * @dev_instance:	private instance
219 220 221 222
 */
irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance);

/**
223
 * bnx2x_interrupt - non MSI-X interrupt handler
224
 *
225 226
 * @irq:		irq number
 * @dev_instance:	private instance
227 228 229 230 231
 */
irqreturn_t bnx2x_interrupt(int irq, void *dev_instance);
#ifdef BCM_CNIC

/**
232
 * bnx2x_cnic_notify - send command to cnic driver
233
 *
234 235
 * @bp:		driver handle
 * @cmd:	command
236 237 238 239
 */
int bnx2x_cnic_notify(struct bnx2x *bp, int cmd);

/**
240
 * bnx2x_setup_cnic_irq_info - provides cnic with IRQ information
241
 *
242
 * @bp:		driver handle
243 244 245 246 247
 */
void bnx2x_setup_cnic_irq_info(struct bnx2x *bp);
#endif

/**
248
 * bnx2x_int_enable - enable HW interrupts.
249
 *
250
 * @bp:		driver handle
251 252 253 254
 */
void bnx2x_int_enable(struct bnx2x *bp);

/**
255 256 257 258
 * bnx2x_int_disable_sync - disable interrupts.
 *
 * @bp:		driver handle
 * @disable_hw:	true, disable HW interrupts.
259
 *
260 261
 * This function ensures that there are no
 * ISRs or SP DPCs (sp_task) are running after it returns.
262 263 264 265
 */
void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw);

/**
266 267 268 269 270 271
 * bnx2x_nic_init - init driver internals.
 *
 * @bp:		driver handle
 * @load_code:	COMMON, PORT or FUNCTION
 *
 * Initializes:
272 273 274 275 276 277 278
 *  - rings
 *  - status blocks
 *  - etc.
 */
void bnx2x_nic_init(struct bnx2x *bp, u32 load_code);

/**
279
 * bnx2x_alloc_mem - allocate driver's memory.
280
 *
281
 * @bp:		driver handle
282 283 284 285
 */
int bnx2x_alloc_mem(struct bnx2x *bp);

/**
286
 * bnx2x_free_mem - release driver's memory.
287
 *
288
 * @bp:		driver handle
289 290 291 292
 */
void bnx2x_free_mem(struct bnx2x *bp);

/**
293
 * bnx2x_set_num_queues - set number of queues according to mode.
294
 *
295
 * @bp:		driver handle
296
 */
297
void bnx2x_set_num_queues(struct bnx2x *bp);
298 299

/**
300 301 302 303 304
 * bnx2x_chip_cleanup - cleanup chip internals.
 *
 * @bp:			driver handle
 * @unload_mode:	COMMON, PORT, FUNCTION
 *
305
 * - Cleanup MAC configuration.
306
 * - Closes clients.
307 308 309 310 311
 * - etc.
 */
void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode);

/**
312
 * bnx2x_acquire_hw_lock - acquire HW lock.
313
 *
314 315
 * @bp:		driver handle
 * @resource:	resource bit which was locked
316 317 318 319
 */
int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource);

/**
320
 * bnx2x_release_hw_lock - release HW lock.
321
 *
322 323
 * @bp:		driver handle
 * @resource:	resource bit which was locked
324 325 326
 */
int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource);

327 328 329 330 331 332 333
/**
 * bnx2x_release_leader_lock - release recovery leader lock
 *
 * @bp:		driver handle
 */
int bnx2x_release_leader_lock(struct bnx2x *bp);

334
/**
335 336 337 338
 * bnx2x_set_eth_mac - configure eth MAC address in the HW
 *
 * @bp:		driver handle
 * @set:	set or clear
339
 *
340
 * Configures according to the value in netdev->dev_addr.
341
 */
342
int bnx2x_set_eth_mac(struct bnx2x *bp, bool set);
343

Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
344
/**
345
 * bnx2x_set_rx_mode - set MAC filtering configurations.
Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
346
 *
347
 * @dev:	netdevice
Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
348
 *
349 350 351
 * called with netif_tx_lock from dev_mcast.c
 * If bp->state is OPEN, should be called with
 * netif_addr_lock_bh()
Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
352
 */
353
void bnx2x_set_rx_mode(struct net_device *dev);
Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
354 355

/**
356
 * bnx2x_set_storm_rx_mode - configure MAC filtering rules in a FW.
Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
357
 *
358
 * @bp:		driver handle
359 360 361
 *
 * If bp->state is OPEN, should be called with
 * netif_addr_lock_bh().
Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
362
 */
363
void bnx2x_set_storm_rx_mode(struct bnx2x *bp);
Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
364

365
/**
366
 * bnx2x_set_q_rx_mode - configures rx_mode for a single queue.
367
 *
368 369 370 371 372 373
 * @bp:			driver handle
 * @cl_id:		client id
 * @rx_mode_flags:	rx mode configuration
 * @rx_accept_flags:	rx accept configuration
 * @tx_accept_flags:	tx accept configuration (tx switch)
 * @ramrod_flags:	ramrod configuration
374
 */
375 376 377 378 379
void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
			 unsigned long rx_mode_flags,
			 unsigned long rx_accept_flags,
			 unsigned long tx_accept_flags,
			 unsigned long ramrod_flags);
380 381 382 383

/* Parity errors related */
void bnx2x_inc_load_cnt(struct bnx2x *bp);
u32 bnx2x_dec_load_cnt(struct bnx2x *bp);
384 385 386 387
bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print);
bool bnx2x_reset_is_done(struct bnx2x *bp, int engine);
void bnx2x_set_reset_in_progress(struct bnx2x *bp);
void bnx2x_set_reset_global(struct bnx2x *bp);
388 389 390
void bnx2x_disable_close_the_gate(struct bnx2x *bp);

/**
391
 * bnx2x_sp_event - handle ramrods completion.
392
 *
393 394
 * @fp:		fastpath handle for the event
 * @rr_cqe:	eth_rx_cqe
395
 */
Dmitry Kravkov's avatar
Dmitry Kravkov committed
396
void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe);
397

398
/**
399
 * bnx2x_ilt_set_info - prepare ILT configurations.
400
 *
401
 * @bp:		driver handle
402 403
 */
void bnx2x_ilt_set_info(struct bnx2x *bp);
404

Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
405
/**
406
 * bnx2x_dcbx_init - initialize dcbx protocol.
Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
407
 *
408
 * @bp:		driver handle
Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
409 410 411
 */
void bnx2x_dcbx_init(struct bnx2x *bp);

Dmitry Kravkov's avatar
Dmitry Kravkov committed
412
/**
413
 * bnx2x_set_power_state - set power state to the requested value.
Dmitry Kravkov's avatar
Dmitry Kravkov committed
414
 *
415 416
 * @bp:		driver handle
 * @state:	required state D0 or D3hot
Dmitry Kravkov's avatar
Dmitry Kravkov committed
417
 *
418
 * Currently only D0 and D3hot are supported.
Dmitry Kravkov's avatar
Dmitry Kravkov committed
419 420 421
 */
int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state);

422
/**
423
 * bnx2x_update_max_mf_config - update MAX part of MF configuration in HW.
424
 *
425 426
 * @bp:		driver handle
 * @value:	new value
427 428
 */
void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value);
429 430
/* Error handling */
void bnx2x_panic_dump(struct bnx2x *bp);
431

432 433
void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl);

Dmitry Kravkov's avatar
Dmitry Kravkov committed
434 435 436 437 438 439 440 441 442
/* dev_close main block */
int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode);

/* dev_open main block */
int bnx2x_nic_load(struct bnx2x *bp, int load_mode);

/* hard_xmit callback */
netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev);

443 444 445
/* setup_tc callback */
int bnx2x_setup_tc(struct net_device *dev, u8 num_tc);

446 447 448
/* select_queue callback */
u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb);

449 450 451
/* reload helper */
int bnx2x_reload_if_running(struct net_device *dev);

Dmitry Kravkov's avatar
Dmitry Kravkov committed
452 453 454 455 456
int bnx2x_change_mac_addr(struct net_device *dev, void *p);

/* NAPI poll Rx part */
int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget);

457 458 459
void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
			u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod);

Dmitry Kravkov's avatar
Dmitry Kravkov committed
460
/* NAPI poll Tx part */
461
int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata);
Dmitry Kravkov's avatar
Dmitry Kravkov committed
462 463 464 465 466 467 468 469

/* suspend/resume callbacks */
int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state);
int bnx2x_resume(struct pci_dev *pdev);

/* Release IRQ vectors */
void bnx2x_free_irq(struct bnx2x *bp);

470 471
void bnx2x_free_fp_mem(struct bnx2x *bp);
int bnx2x_alloc_fp_mem(struct bnx2x *bp);
Dmitry Kravkov's avatar
Dmitry Kravkov committed
472 473 474 475 476
void bnx2x_init_rx_rings(struct bnx2x *bp);
void bnx2x_free_skbs(struct bnx2x *bp);
void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw);
void bnx2x_netif_start(struct bnx2x *bp);

477
/**
478
 * bnx2x_enable_msix - set msix configuration.
479
 *
480
 * @bp:		driver handle
481
 *
482 483
 * fills msix_table, requests vectors, updates num_queues
 * according to number of available vectors.
484 485 486 487
 */
int bnx2x_enable_msix(struct bnx2x *bp);

/**
488
 * bnx2x_enable_msi - request msi mode from OS, updated internals accordingly
489
 *
490
 * @bp:		driver handle
491 492 493 494
 */
int bnx2x_enable_msi(struct bnx2x *bp);

/**
495
 * bnx2x_poll - NAPI callback
496
 *
497 498
 * @napi:	napi structure
 * @budget:
499 500 501
 *
 */
int bnx2x_poll(struct napi_struct *napi, int budget);
Dmitry Kravkov's avatar
Dmitry Kravkov committed
502 503

/**
504
 * bnx2x_alloc_mem_bp - allocate memories outsize main driver structure
Dmitry Kravkov's avatar
Dmitry Kravkov committed
505
 *
506
 * @bp:		driver handle
Dmitry Kravkov's avatar
Dmitry Kravkov committed
507 508
 */
int __devinit bnx2x_alloc_mem_bp(struct bnx2x *bp);
509 510 511 512 513 514

/**
 * bnx2x_free_mem_bp - release memories outsize main driver structure
 *
 * @bp:		driver handle
 */
Dmitry Kravkov's avatar
Dmitry Kravkov committed
515 516 517
void bnx2x_free_mem_bp(struct bnx2x *bp);

/**
518
 * bnx2x_change_mtu - change mtu netdev callback
Dmitry Kravkov's avatar
Dmitry Kravkov committed
519
 *
520 521
 * @dev:	net device
 * @new_mtu:	requested mtu
Dmitry Kravkov's avatar
Dmitry Kravkov committed
522 523 524 525
 *
 */
int bnx2x_change_mtu(struct net_device *dev, int new_mtu);

Dmitry Kravkov's avatar
Dmitry Kravkov committed
526
#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
527 528 529 530 531 532 533 534 535 536
/**
 * bnx2x_fcoe_get_wwn - return the requested WWN value for this port
 *
 * @dev:	net_device
 * @wwn:	output buffer
 * @type:	WWN type: NETDEV_FCOE_WWNN (node) or NETDEV_FCOE_WWPN (port)
 *
 */
int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type);
#endif
537 538 539
netdev_features_t bnx2x_fix_features(struct net_device *dev,
	netdev_features_t features);
int bnx2x_set_features(struct net_device *dev, netdev_features_t features);
540

Dmitry Kravkov's avatar
Dmitry Kravkov committed
541
/**
542
 * bnx2x_tx_timeout - tx timeout netdev callback
Dmitry Kravkov's avatar
Dmitry Kravkov committed
543
 *
544
 * @dev:	net device
Dmitry Kravkov's avatar
Dmitry Kravkov committed
545 546 547
 */
void bnx2x_tx_timeout(struct net_device *dev);

548 549
/*********************** Inlines **********************************/
/*********************** Fast path ********************************/
550 551 552
static inline void bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
{
	barrier(); /* status block is written to by the chip */
553
	fp->fp_hc_idx = fp->sb_running_index[SM_RX_ID];
554 555
}

556 557 558
static inline void bnx2x_update_rx_prod_gen(struct bnx2x *bp,
			struct bnx2x_fastpath *fp, u16 bd_prod,
			u16 rx_comp_prod, u16 rx_sge_prod, u32 start)
559 560
{
	struct ustorm_eth_rx_producers rx_prods = {0};
561
	u32 i;
562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577

	/* Update producers */
	rx_prods.bd_prod = bd_prod;
	rx_prods.cqe_prod = rx_comp_prod;
	rx_prods.sge_prod = rx_sge_prod;

	/*
	 * Make sure that the BD and SGE data is updated before updating the
	 * producers since FW might read the BD/SGE right after the producer
	 * is updated.
	 * This is only applicable for weak-ordered memory model archs such
	 * as IA-64. The following barrier is also mandatory since FW will
	 * assumes BDs must have buffers.
	 */
	wmb();

578 579
	for (i = 0; i < sizeof(rx_prods)/4; i++)
		REG_WR(bp, start + i*4, ((u32 *)&rx_prods)[i]);
580 581 582 583 584 585 586 587

	mmiowb(); /* keep prod updates ordered */

	DP(NETIF_MSG_RX_STATUS,
	   "queue[%d]:  wrote  bd_prod %u  cqe_prod %u  sge_prod %u\n",
	   fp->index, bd_prod, rx_comp_prod, rx_sge_prod);
}

Dmitry Kravkov's avatar
Dmitry Kravkov committed
588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608
static inline void bnx2x_igu_ack_sb_gen(struct bnx2x *bp, u8 igu_sb_id,
					u8 segment, u16 index, u8 op,
					u8 update, u32 igu_addr)
{
	struct igu_regular cmd_data = {0};

	cmd_data.sb_id_and_flags =
			((index << IGU_REGULAR_SB_INDEX_SHIFT) |
			 (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
			 (update << IGU_REGULAR_BUPDATE_SHIFT) |
			 (op << IGU_REGULAR_ENABLE_INT_SHIFT));

	DP(NETIF_MSG_HW, "write 0x%08x to IGU addr 0x%x\n",
	   cmd_data.sb_id_and_flags, igu_addr);
	REG_WR(bp, igu_addr, cmd_data.sb_id_and_flags);

	/* Make sure that ACK is written */
	mmiowb();
	barrier();
}

609
static inline void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func,
Dmitry Kravkov's avatar
Dmitry Kravkov committed
610 611 612 613 614 615 616
					  u8 idu_sb_id, bool is_Pf)
{
	u32 data, ctl, cnt = 100;
	u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
	u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
	u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
	u32 sb_bit =  1 << (idu_sb_id%32);
617
	u32 func_encode = func |
Dmitry Kravkov's avatar
Dmitry Kravkov committed
618 619 620 621 622 623 624 625 626 627 628 629 630 631 632
			((is_Pf == true ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT);
	u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;

	/* Not supported in BC mode */
	if (CHIP_INT_MODE_IS_BC(bp))
		return;

	data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
			<< IGU_REGULAR_CLEANUP_TYPE_SHIFT)	|
		IGU_REGULAR_CLEANUP_SET				|
		IGU_REGULAR_BCLEANUP;

	ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT		|
	      func_encode << IGU_CTRL_REG_FID_SHIFT		|
	      IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
633

Dmitry Kravkov's avatar
Dmitry Kravkov committed
634 635 636 637 638 639 640 641 642 643
	DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
			 data, igu_addr_data);
	REG_WR(bp, igu_addr_data, data);
	mmiowb();
	barrier();
	DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
			  ctl, igu_addr_ctl);
	REG_WR(bp, igu_addr_ctl, ctl);
	mmiowb();
	barrier();
644

Dmitry Kravkov's avatar
Dmitry Kravkov committed
645 646 647 648 649 650 651 652 653 654 655 656 657 658
	/* wait for clean up to finish */
	while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
		msleep(20);


	if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
		DP(NETIF_MSG_HW, "Unable to finish IGU cleanup: "
			  "idu_sb_id %d offset %d bit %d (cnt %d)\n",
			  idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
	}
}

static inline void bnx2x_hc_ack_sb(struct bnx2x *bp, u8 sb_id,
				   u8 storm, u16 index, u8 op, u8 update)
659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678
{
	u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
		       COMMAND_REG_INT_ACK);
	struct igu_ack_register igu_ack;

	igu_ack.status_block_index = index;
	igu_ack.sb_id_and_flags =
			((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
			 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
			 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
			 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));

	DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
	   (*(u32 *)&igu_ack), hc_addr);
	REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));

	/* Make sure that ACK is written */
	mmiowb();
	barrier();
}
Dmitry Kravkov's avatar
Dmitry Kravkov committed
679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700

static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 storm,
				u16 index, u8 op, u8 update)
{
	if (bp->common.int_block == INT_BLOCK_HC)
		bnx2x_hc_ack_sb(bp, igu_sb_id, storm, index, op, update);
	else {
		u8 segment;

		if (CHIP_INT_MODE_IS_BC(bp))
			segment = storm;
		else if (igu_sb_id != bp->igu_dsb_id)
			segment = IGU_SEG_ACCESS_DEF;
		else if (storm == ATTENTION_ID)
			segment = IGU_SEG_ACCESS_ATTN;
		else
			segment = IGU_SEG_ACCESS_DEF;
		bnx2x_igu_ack_sb(bp, igu_sb_id, segment, index, op, update);
	}
}

static inline u16 bnx2x_hc_ack_int(struct bnx2x *bp)
701 702 703 704 705 706 707 708
{
	u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
		       COMMAND_REG_SIMD_MASK);
	u32 result = REG_RD(bp, hc_addr);

	DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
	   result, hc_addr);

Dmitry Kravkov's avatar
Dmitry Kravkov committed
709
	barrier();
710 711 712
	return result;
}

Dmitry Kravkov's avatar
Dmitry Kravkov committed
713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733
static inline u16 bnx2x_igu_ack_int(struct bnx2x *bp)
{
	u32 igu_addr = (BAR_IGU_INTMEM + IGU_REG_SISR_MDPC_WMASK_LSB_UPPER*8);
	u32 result = REG_RD(bp, igu_addr);

	DP(NETIF_MSG_HW, "read 0x%08x from IGU addr 0x%x\n",
	   result, igu_addr);

	barrier();
	return result;
}

static inline u16 bnx2x_ack_int(struct bnx2x *bp)
{
	barrier();
	if (bp->common.int_block == INT_BLOCK_HC)
		return bnx2x_hc_ack_int(bp);
	else
		return bnx2x_igu_ack_int(bp);
}

734
static inline int bnx2x_has_tx_work_unload(struct bnx2x_fp_txdata *txdata)
735 736 737
{
	/* Tell compiler that consumer and producer can change */
	barrier();
738
	return txdata->tx_pkt_prod != txdata->tx_pkt_cons;
739 740
}

741 742
static inline u16 bnx2x_tx_avail(struct bnx2x *bp,
				 struct bnx2x_fp_txdata *txdata)
743 744 745 746 747
{
	s16 used;
	u16 prod;
	u16 cons;

748 749
	prod = txdata->tx_bd_prod;
	cons = txdata->tx_bd_cons;
750 751 752 753 754 755 756

	/* NUM_TX_RINGS = number of "next-page" entries
	   It will be used as a threshold */
	used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;

#ifdef BNX2X_STOP_ON_ERROR
	WARN_ON(used < 0);
757 758
	WARN_ON(used > bp->tx_ring_size);
	WARN_ON((bp->tx_ring_size - used) > MAX_TX_AVAIL);
759 760
#endif

761
	return (s16)(bp->tx_ring_size) - used;
762 763
}

764
static inline int bnx2x_tx_queue_has_work(struct bnx2x_fp_txdata *txdata)
765 766 767 768 769
{
	u16 hw_cons;

	/* Tell compiler that status block fields can change */
	barrier();
770 771 772 773 774 775 776 777 778 779 780
	hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
	return hw_cons != txdata->tx_pkt_cons;
}

static inline bool bnx2x_has_tx_work(struct bnx2x_fastpath *fp)
{
	u8 cos;
	for_each_cos_in_tx_queue(fp, cos)
		if (bnx2x_tx_queue_has_work(&fp->txdata[cos]))
			return true;
	return false;
781 782
}

783 784 785 786 787 788 789 790 791 792 793
static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp)
{
	u16 rx_cons_sb;

	/* Tell compiler that status block fields can change */
	barrier();
	rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
	if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
		rx_cons_sb++;
	return (fp->rx_comp_cons != rx_cons_sb);
}
Dmitry Kravkov's avatar
Dmitry Kravkov committed
794

Dmitry Kravkov's avatar
Dmitry Kravkov committed
795
/**
796
 * bnx2x_tx_disable - disables tx from stack point of view
Dmitry Kravkov's avatar
Dmitry Kravkov committed
797
 *
798
 * @bp:		driver handle
Dmitry Kravkov's avatar
Dmitry Kravkov committed
799 800 801 802 803 804 805
 */
static inline void bnx2x_tx_disable(struct bnx2x *bp)
{
	netif_tx_disable(bp->dev);
	netif_carrier_off(bp->dev);
}

806 807 808 809 810 811 812 813 814 815 816 817
static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
				     struct bnx2x_fastpath *fp, u16 index)
{
	struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
	struct page *page = sw_buf->page;
	struct eth_rx_sge *sge = &fp->rx_sge_ring[index];

	/* Skip "next page" elements */
	if (!page)
		return;

	dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(sw_buf, mapping),
818
		       SGE_PAGE_SIZE*PAGES_PER_SGE, DMA_FROM_DEVICE);
819 820 821 822 823 824 825
	__free_pages(page, PAGES_PER_SGE_SHIFT);

	sw_buf->page = NULL;
	sge->addr_hi = 0;
	sge->addr_lo = 0;
}

826 827 828
static inline void bnx2x_add_all_napi(struct bnx2x *bp)
{
	int i;
829

830
	/* Add NAPI objects */
831
	for_each_rx_queue(bp, i)
832 833 834
		netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
			       bnx2x_poll, BNX2X_NAPI_WEIGHT);
}
835

836 837 838 839
static inline void bnx2x_del_all_napi(struct bnx2x *bp)
{
	int i;

840
	for_each_rx_queue(bp, i)
841 842
		netif_napi_del(&bnx2x_fp(bp, i, napi));
}
843

844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860
static inline void bnx2x_disable_msi(struct bnx2x *bp)
{
	if (bp->flags & USING_MSIX_FLAG) {
		pci_disable_msix(bp->pdev);
		bp->flags &= ~USING_MSIX_FLAG;
	} else if (bp->flags & USING_MSI_FLAG) {
		pci_disable_msi(bp->pdev);
		bp->flags &= ~USING_MSI_FLAG;
	}
}

static inline int bnx2x_calc_num_queues(struct bnx2x *bp)
{
	return  num_queues ?
		 min_t(int, num_queues, BNX2X_MAX_QUEUES(bp)) :
		 min_t(int, num_online_cpus(), BNX2X_MAX_QUEUES(bp));
}
861 862

static inline void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
863
{
864
	int i, j;
865

866 867 868 869
	for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
		int idx = RX_SGE_CNT * i - 1;

		for (j = 0; j < 2; j++) {
870
			BIT_VEC64_CLEAR_BIT(fp->sge_mask, idx);
871 872 873 874 875 876 877 878
			idx--;
		}
	}
}

static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
{
	/* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
879
	memset(fp->sge_mask, 0xff, sizeof(fp->sge_mask));
880 881 882 883 884 885

	/* Clear the two last indices in the page to 1:
	   these are the indices that correspond to the "next" element,
	   hence will never be indicated and should be removed from
	   the calculations. */
	bnx2x_clear_sge_mask_next_elems(fp);
886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913
}

static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
				     struct bnx2x_fastpath *fp, u16 index)
{
	struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
	struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
	struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
	dma_addr_t mapping;

	if (unlikely(page == NULL))
		return -ENOMEM;

	mapping = dma_map_page(&bp->pdev->dev, page, 0,
			       SGE_PAGE_SIZE*PAGES_PER_SGE, DMA_FROM_DEVICE);
	if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
		__free_pages(page, PAGES_PER_SGE_SHIFT);
		return -ENOMEM;
	}

	sw_buf->page = page;
	dma_unmap_addr_set(sw_buf, mapping, mapping);

	sge->addr_hi = cpu_to_le32(U64_HI(mapping));
	sge->addr_lo = cpu_to_le32(U64_LO(mapping));

	return 0;
}
Dmitry Kravkov's avatar
Dmitry Kravkov committed
914

915 916
static inline int bnx2x_alloc_rx_data(struct bnx2x *bp,
				      struct bnx2x_fastpath *fp, u16 index)
917
{
918
	u8 *data;
919 920 921 922
	struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
	struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
	dma_addr_t mapping;

923 924
	data = kmalloc(fp->rx_buf_size + NET_SKB_PAD, GFP_ATOMIC);
	if (unlikely(data == NULL))
925 926
		return -ENOMEM;

927 928
	mapping = dma_map_single(&bp->pdev->dev, data + NET_SKB_PAD,
				 fp->rx_buf_size,
929 930
				 DMA_FROM_DEVICE);
	if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
931
		kfree(data);
932 933 934
		return -ENOMEM;
	}

935
	rx_buf->data = data;
936 937 938 939 940 941 942 943
	dma_unmap_addr_set(rx_buf, mapping, mapping);

	rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));

	return 0;
}

944
/* note that we are not allocating a new buffer,
945 946 947 948
 * we are just moving one from cons to prod
 * we are not creating a new mapping,
 * so there is no need to check for dma_mapping_error().
 */
949
static inline void bnx2x_reuse_rx_data(struct bnx2x_fastpath *fp,
950
				      u16 cons, u16 prod)
951 952 953 954 955 956 957 958
{
	struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
	struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
	struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
	struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];

	dma_unmap_addr_set(prod_rx_buf, mapping,
			   dma_unmap_addr(cons_rx_buf, mapping));
959
	prod_rx_buf->data = cons_rx_buf->data;
960 961
	*prod_bd = *cons_bd;
}
Dmitry Kravkov's avatar
Dmitry Kravkov committed
962

963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986
/************************* Init ******************************************/

/**
 * bnx2x_func_start - init function
 *
 * @bp:		driver handle
 *
 * Must be called before sending CLIENT_SETUP for the first client.
 */
static inline int bnx2x_func_start(struct bnx2x *bp)
{
	struct bnx2x_func_state_params func_params = {0};
	struct bnx2x_func_start_params *start_params =
		&func_params.params.start;

	/* Prepare parameters for function state transitions */
	__set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);

	func_params.f_obj = &bp->func_obj;
	func_params.cmd = BNX2X_F_CMD_START;

	/* Function parameters */
	start_params->mf_mode = bp->mf_mode;
	start_params->sd_vlan_tag = bp->mf_ov;
987
	if (CHIP_IS_E1x(bp))
988
		start_params->network_cos_mode = OVERRIDE_COS;
989 990
	else
		start_params->network_cos_mode = STATIC_COS;
991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014

	return bnx2x_func_state_change(bp, &func_params);
}


/**
 * bnx2x_set_fw_mac_addr - fill in a MAC address in FW format
 *
 * @fw_hi:	pointer to upper part
 * @fw_mid:	pointer to middle part
 * @fw_lo:	pointer to lower part
 * @mac:	pointer to MAC address
 */
static inline void bnx2x_set_fw_mac_addr(u16 *fw_hi, u16 *fw_mid, u16 *fw_lo,
					 u8 *mac)
{
	((u8 *)fw_hi)[0]  = mac[1];
	((u8 *)fw_hi)[1]  = mac[0];
	((u8 *)fw_mid)[0] = mac[3];
	((u8 *)fw_mid)[1] = mac[2];
	((u8 *)fw_lo)[0]  = mac[5];
	((u8 *)fw_lo)[1]  = mac[4];
}

1015 1016
static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
					   struct bnx2x_fastpath *fp, int last)
1017
{
1018
	int i;
1019

1020 1021 1022
	if (fp->disable_tpa)
		return;

1023 1024
	for (i = 0; i < last; i++)
		bnx2x_free_rx_sge(bp, fp, i);
1025 1026 1027 1028 1029 1030 1031 1032
}

static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
				       struct bnx2x_fastpath *fp, int last)
{
	int i;

	for (i = 0; i < last; i++) {
1033 1034
		struct bnx2x_agg_info *tpa_info = &fp->tpa_info[i];
		struct sw_rx_bd *first_buf = &tpa_info->first_buf;
1035
		u8 *data = first_buf->data;
1036

1037
		if (data == NULL) {
1038 1039 1040
			DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
			continue;
		}
1041
		if (tpa_info->tpa_state == BNX2X_TPA_START)
1042
			dma_unmap_single(&bp->pdev->dev,
1043
					 dma_unmap_addr(first_buf, mapping),
1044
					 fp->rx_buf_size, DMA_FROM_DEVICE);
1045 1046
		kfree(data);
		first_buf->data = NULL;
1047 1048 1049
	}
}

1050
static inline void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
1051
{
1052
	int i;
1053

1054 1055
	for (i = 1; i <= NUM_TX_RINGS; i++) {
		struct eth_tx_next_bd *tx_next_bd =
1056
			&txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
1057

1058
		tx_next_bd->addr_hi =
1059
			cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
1060 1061
				    BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
		tx_next_bd->addr_lo =
1062
			cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
1063 1064
				    BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
	}
1065

1066 1067 1068
	SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
	txdata->tx_db.data.zero_fill1 = 0;
	txdata->tx_db.data.prod = 0;
1069

1070 1071 1072 1073 1074
	txdata->tx_pkt_prod = 0;
	txdata->tx_pkt_cons = 0;
	txdata->tx_bd_prod = 0;
	txdata->tx_bd_cons = 0;
	txdata->tx_pkt = 0;
1075
}
1076

1077 1078 1079
static inline void bnx2x_init_tx_rings(struct bnx2x *bp)
{
	int i;
1080
	u8 cos;
1081 1082

	for_each_tx_queue(bp, i)
1083 1084
		for_each_cos_in_tx_queue(&bp->fp[i], cos)
			bnx2x_init_tx_ring_one(&bp->fp[i].txdata[cos]);
1085
}
Dmitry Kravkov's avatar
Dmitry Kravkov committed
1086

1087
static inline void bnx2x_set_next_page_rx_bd(struct bnx2x_fastpath *fp)
1088
{
1089
	int i;
1090

1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101
	for (i = 1; i <= NUM_RX_RINGS; i++) {
		struct eth_rx_bd *rx_bd;

		rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
		rx_bd->addr_hi =
			cpu_to_le32(U64_HI(fp->rx_desc_mapping +
				    BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
		rx_bd->addr_lo =
			cpu_to_le32(U64_LO(fp->rx_desc_mapping +
				    BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
	}
1102 1103
}

1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138
static inline void bnx2x_set_next_page_sgl(struct bnx2x_fastpath *fp)
{
	int i;

	for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
		struct eth_rx_sge *sge;

		sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
		sge->addr_hi =
			cpu_to_le32(U64_HI(fp->rx_sge_mapping +
			BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));

		sge->addr_lo =
			cpu_to_le32(U64_LO(fp->rx_sge_mapping +
			BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
	}
}

static inline void bnx2x_set_next_page_rx_cq(struct bnx2x_fastpath *fp)
{
	int i;
	for (i = 1; i <= NUM_RCQ_RINGS; i++) {
		struct eth_rx_cqe_next_page *nextpg;

		nextpg = (struct eth_rx_cqe_next_page *)
			&fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
		nextpg->addr_hi =
			cpu_to_le32(U64_HI(fp->rx_comp_mapping +
				   BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
		nextpg->addr_lo =
			cpu_to_le32(U64_LO(fp->rx_comp_mapping +
				   BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
	}
}

1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153
/* Returns the number of actually allocated BDs */
static inline int bnx2x_alloc_rx_bds(struct bnx2x_fastpath *fp,
				      int rx_ring_size)
{
	struct bnx2x *bp = fp->bp;
	u16 ring_prod, cqe_ring_prod;
	int i;

	fp->rx_comp_cons = 0;
	cqe_ring_prod = ring_prod = 0;

	/* This routine is called only during fo init so
	 * fp->eth_q_stats.rx_skb_alloc_failed = 0
	 */
	for (i = 0; i < rx_ring_size; i++) {
1154
		if (bnx2x_alloc_rx_data(bp, fp, ring_prod) < 0) {
1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176
			fp->eth_q_stats.rx_skb_alloc_failed++;
			continue;
		}
		ring_prod = NEXT_RX_IDX(ring_prod);
		cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
		WARN_ON(ring_prod <= (i - fp->eth_q_stats.rx_skb_alloc_failed));
	}

	if (fp->eth_q_stats.rx_skb_alloc_failed)
		BNX2X_ERR("was only able to allocate "
			  "%d rx skbs on queue[%d]\n",
			  (i - fp->eth_q_stats.rx_skb_alloc_failed), fp->index);

	fp->rx_bd_prod = ring_prod;
	/* Limit the CQE producer by the CQE ring size */
	fp->rx_comp_prod = min_t(u16, NUM_RCQ_RINGS*RCQ_DESC_CNT,
			       cqe_ring_prod);
	fp->rx_pkt = fp->rx_calls = 0;

	return i - fp->eth_q_stats.rx_skb_alloc_failed;
}

1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285
/* Statistics ID are global per chip/path, while Client IDs for E1x are per
 * port.
 */
static inline u8 bnx2x_stats_id(struct bnx2x_fastpath *fp)
{
	if (!CHIP_IS_E1x(fp->bp))
		return fp->cl_id;
	else
		return fp->cl_id + BP_PORT(fp->bp) * FP_SB_MAX_E1x;
}

static inline void bnx2x_init_vlan_mac_fp_objs(struct bnx2x_fastpath *fp,
					       bnx2x_obj_type obj_type)
{
	struct bnx2x *bp = fp->bp;

	/* Configure classification DBs */
	bnx2x_init_mac_obj(bp, &fp->mac_obj, fp->cl_id, fp->cid,
			   BP_FUNC(bp), bnx2x_sp(bp, mac_rdata),
			   bnx2x_sp_mapping(bp, mac_rdata),
			   BNX2X_FILTER_MAC_PENDING,
			   &bp->sp_state, obj_type,
			   &bp->macs_pool);
}

/**
 * bnx2x_get_path_func_num - get number of active functions
 *
 * @bp:		driver handle
 *
 * Calculates the number of active (not hidden) functions on the
 * current path.
 */
static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp)
{
	u8 func_num = 0, i;

	/* 57710 has only one function per-port */
	if (CHIP_IS_E1(bp))
		return 1;

	/* Calculate a number of functions enabled on the current
	 * PATH/PORT.
	 */
	if (CHIP_REV_IS_SLOW(bp)) {
		if (IS_MF(bp))
			func_num = 4;
		else
			func_num = 2;
	} else {
		for (i = 0; i < E1H_FUNC_MAX / 2; i++) {
			u32 func_config =
				MF_CFG_RD(bp,
					  func_mf_config[BP_PORT(bp) + 2 * i].
					  config);
			func_num +=
				((func_config & FUNC_MF_CFG_FUNC_HIDE) ? 0 : 1);
		}
	}

	WARN_ON(!func_num);

	return func_num;
}

static inline void bnx2x_init_bp_objs(struct bnx2x *bp)
{
	/* RX_MODE controlling object */
	bnx2x_init_rx_mode_obj(bp, &bp->rx_mode_obj);

	/* multicast configuration controlling object */
	bnx2x_init_mcast_obj(bp, &bp->mcast_obj, bp->fp->cl_id, bp->fp->cid,
			     BP_FUNC(bp), BP_FUNC(bp),
			     bnx2x_sp(bp, mcast_rdata),
			     bnx2x_sp_mapping(bp, mcast_rdata),
			     BNX2X_FILTER_MCAST_PENDING, &bp->sp_state,
			     BNX2X_OBJ_TYPE_RX);

	/* Setup CAM credit pools */
	bnx2x_init_mac_credit_pool(bp, &bp->macs_pool, BP_FUNC(bp),
				   bnx2x_get_path_func_num(bp));

	/* RSS configuration object */
	bnx2x_init_rss_config_obj(bp, &bp->rss_conf_obj, bp->fp->cl_id,
				  bp->fp->cid, BP_FUNC(bp), BP_FUNC(bp),
				  bnx2x_sp(bp, rss_rdata),
				  bnx2x_sp_mapping(bp, rss_rdata),
				  BNX2X_FILTER_RSS_CONF_PENDING, &bp->sp_state,
				  BNX2X_OBJ_TYPE_RX);
}

static inline u8 bnx2x_fp_qzone_id(struct bnx2x_fastpath *fp)
{
	if (CHIP_IS_E1x(fp->bp))
		return fp->cl_id + BP_PORT(fp->bp) * ETH_MAX_RX_CLIENTS_E1H;
	else
		return fp->cl_id;
}

static inline u32 bnx2x_rx_ustorm_prods_offset(struct bnx2x_fastpath *fp)
{
	struct bnx2x *bp = fp->bp;

	if (!CHIP_IS_E1x(bp))
		return USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id);
	else
		return USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
}

1286 1287 1288 1289 1290 1291 1292 1293
static inline void bnx2x_init_txdata(struct bnx2x *bp,
	struct bnx2x_fp_txdata *txdata, u32 cid, int txq_index,
	__le16 *tx_cons_sb)
{
	txdata->cid = cid;
	txdata->txq_index = txq_index;
	txdata->tx_cons_sb = tx_cons_sb;

1294
	DP(BNX2X_MSG_SP, "created tx data cid %d, txq %d\n",
1295 1296
	   txdata->cid, txdata->txq_index);
}
1297

Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
1298
#ifdef BCM_CNIC
1299 1300 1301
static inline u8 bnx2x_cnic_eth_cl_id(struct bnx2x *bp, u8 cl_idx)
{
	return bp->cnic_base_cl_id + cl_idx +
1302
		(bp->pf_num >> 1) * BNX2X_MAX_CNIC_ETH_CL_ID_IDX;
1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317
}

static inline u8 bnx2x_cnic_fw_sb_id(struct bnx2x *bp)
{

	/* the 'first' id is allocated for the cnic */
	return bp->base_fw_ndsb;
}

static inline u8 bnx2x_cnic_igu_sb_id(struct bnx2x *bp)
{
	return bp->igu_base_sb;
}


Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
1318 1319
static inline void bnx2x_init_fcoe_fp(struct bnx2x *bp)
{
1320 1321 1322
	struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
	unsigned long q_type = 0;

1323
	bnx2x_fcoe(bp, rx_queue) = BNX2X_NUM_ETH_QUEUES(bp);
1324 1325 1326 1327 1328 1329 1330
	bnx2x_fcoe(bp, cl_id) = bnx2x_cnic_eth_cl_id(bp,
						     BNX2X_FCOE_ETH_CL_ID_IDX);
	/** Current BNX2X_FCOE_ETH_CID deffinition implies not more than
	 *  16 ETH clients per function when CNIC is enabled!
	 *
	 *  Fix it ASAP!!!
	 */
Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
1331 1332 1333 1334
	bnx2x_fcoe(bp, cid) = BNX2X_FCOE_ETH_CID;
	bnx2x_fcoe(bp, fw_sb_id) = DEF_SB_ID;
	bnx2x_fcoe(bp, igu_sb_id) = bp->igu_dsb_id;
	bnx2x_fcoe(bp, rx_cons_sb) = BNX2X_FCOE_L2_RX_INDEX;
1335 1336 1337 1338

	bnx2x_init_txdata(bp, &bnx2x_fcoe(bp, txdata[0]),
			  fp->cid, FCOE_TXQ_IDX(bp), BNX2X_FCOE_L2_TX_INDEX);

1339
	DP(BNX2X_MSG_SP, "created fcoe tx data (fp index %d)\n", fp->index);
1340

Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
1341
	/* qZone id equals to FW (per path) client id */
1342
	bnx2x_fcoe(bp, cl_qzone_id) = bnx2x_fp_qzone_id(fp);
Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
1343
	/* init shortcut */
1344 1345 1346 1347 1348 1349
	bnx2x_fcoe(bp, ustorm_rx_prods_offset) =
		bnx2x_rx_ustorm_prods_offset(fp);

	/* Configure Queue State object */
	__set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
	__set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
1350 1351 1352 1353 1354 1355 1356

	/* No multi-CoS for FCoE L2 client */
	BUG_ON(fp->max_cos != 1);

	bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, &fp->cid, 1,
			     BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
			     bnx2x_sp_mapping(bp, q_rdata), q_type);
1357 1358 1359 1360 1361

	DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d "
			   "igu_sb %d\n",
	   fp->index, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
	   fp->igu_sb_id);
Vladislav Zolotarov's avatar
Vladislav Zolotarov committed
1362 1363
}
#endif
1364

1365
static inline int bnx2x_clean_tx_queue(struct bnx2x *bp,
1366
				       struct bnx2x_fp_txdata *txdata)
1367 1368 1369
{
	int cnt = 1000;

1370
	while (bnx2x_has_tx_work_unload(txdata)) {
1371 1372
		if (!cnt) {
			BNX2X_ERR("timeout waiting for queue[%d]: "
1373 1374 1375
				 "txdata->tx_pkt_prod(%d) != txdata->tx_pkt_cons(%d)\n",
				  txdata->txq_index, txdata->tx_pkt_prod,
				  txdata->tx_pkt_cons);
1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389
#ifdef BNX2X_STOP_ON_ERROR
			bnx2x_panic();
			return -EBUSY;
#else
			break;
#endif
		}
		cnt--;
		usleep_range(1000, 1000);
	}

	return 0;
}

Yaniv Rosner's avatar
Yaniv Rosner committed
1390 1391
int bnx2x_get_link_cfg_idx(struct bnx2x *<