xref: /openbmc/linux/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h (revision 1a4e39c2e5ca2eb494a53ecd73055562f690bca0)
1 /* bnx2x_cmn.h: Broadcom Everest network driver.
2  *
3  * Copyright (c) 2007-2013 Broadcom Corporation
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation.
8  *
9  * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
10  * Written by: Eliezer Tamir
11  * Based on code from Michael Chan's bnx2 driver
12  * UDP CSUM errata workaround by Arik Gendelman
13  * Slowpath and fastpath rework by Vladislav Zolotarov
14  * Statistics and Link management by Yitchak Gertner
15  *
16  */
17 #ifndef BNX2X_CMN_H
18 #define BNX2X_CMN_H
19 
20 #include <linux/types.h>
21 #include <linux/pci.h>
22 #include <linux/netdevice.h>
23 #include <linux/etherdevice.h>
24 #include <linux/irq.h>
25 
26 #include "bnx2x.h"
27 #include "bnx2x_sriov.h"
28 
29 /* This is used as a replacement for an MCP if it's not present */
30 extern int bnx2x_load_count[2][3]; /* per-path: 0-common, 1-port0, 2-port1 */
31 extern int bnx2x_num_queues;
32 
33 /************************ Macros ********************************/
34 #define BNX2X_PCI_FREE(x, y, size) \
35 	do { \
36 		if (x) { \
37 			dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
38 			x = NULL; \
39 			y = 0; \
40 		} \
41 	} while (0)
42 
43 #define BNX2X_FREE(x) \
44 	do { \
45 		if (x) { \
46 			kfree((void *)x); \
47 			x = NULL; \
48 		} \
49 	} while (0)
50 
51 #define BNX2X_PCI_ALLOC(y, size)					\
52 ({									\
53 	void *x = dma_zalloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
54 	if (x)								\
55 		DP(NETIF_MSG_HW,					\
56 		   "BNX2X_PCI_ALLOC: Physical %Lx Virtual %p\n",	\
57 		   (unsigned long long)(*y), x);			\
58 	x;								\
59 })
60 #define BNX2X_PCI_FALLOC(y, size)					\
61 ({									\
62 	void *x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
63 	if (x) {							\
64 		memset(x, 0xff, size);					\
65 		DP(NETIF_MSG_HW,					\
66 		   "BNX2X_PCI_FALLOC: Physical %Lx Virtual %p\n",	\
67 		   (unsigned long long)(*y), x);			\
68 	}								\
69 	x;								\
70 })
71 
72 /*********************** Interfaces ****************************
73  *  Functions that need to be implemented by each driver version
74  */
75 /* Init */
76 
77 /**
78  * bnx2x_send_unload_req - request unload mode from the MCP.
79  *
80  * @bp:			driver handle
81  * @unload_mode:	requested function's unload mode
82  *
83  * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
84  */
85 u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode);
86 
87 /**
88  * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
89  *
90  * @bp:		driver handle
91  * @keep_link:		true iff link should be kept up
92  */
93 void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link);
94 
95 /**
96  * bnx2x_config_rss_pf - configure RSS parameters in a PF.
97  *
98  * @bp:			driver handle
99  * @rss_obj:		RSS object to use
100  * @ind_table:		indirection table to configure
101  * @config_hash:	re-configure RSS hash keys configuration
102  * @enable:		enabled or disabled configuration
103  */
104 int bnx2x_rss(struct bnx2x *bp, struct bnx2x_rss_config_obj *rss_obj,
105 	      bool config_hash, bool enable);
106 
107 /**
108  * bnx2x__init_func_obj - init function object
109  *
110  * @bp:			driver handle
111  *
112  * Initializes the Function Object with the appropriate
113  * parameters which include a function slow path driver
114  * interface.
115  */
116 void bnx2x__init_func_obj(struct bnx2x *bp);
117 
118 /**
119  * bnx2x_setup_queue - setup eth queue.
120  *
121  * @bp:		driver handle
122  * @fp:		pointer to the fastpath structure
123  * @leading:	boolean
124  *
125  */
126 int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
127 		       bool leading);
128 
129 /**
130  * bnx2x_setup_leading - bring up a leading eth queue.
131  *
132  * @bp:		driver handle
133  */
134 int bnx2x_setup_leading(struct bnx2x *bp);
135 
136 /**
137  * bnx2x_fw_command - send the MCP a request
138  *
139  * @bp:		driver handle
140  * @command:	request
141  * @param:	request's parameter
142  *
143  * block until there is a reply
144  */
145 u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param);
146 
147 /**
148  * bnx2x_initial_phy_init - initialize link parameters structure variables.
149  *
150  * @bp:		driver handle
151  * @load_mode:	current mode
152  */
153 int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode);
154 
155 /**
156  * bnx2x_link_set - configure hw according to link parameters structure.
157  *
158  * @bp:		driver handle
159  */
160 void bnx2x_link_set(struct bnx2x *bp);
161 
162 /**
163  * bnx2x_force_link_reset - Forces link reset, and put the PHY
164  * in reset as well.
165  *
166  * @bp:		driver handle
167  */
168 void bnx2x_force_link_reset(struct bnx2x *bp);
169 
170 /**
171  * bnx2x_link_test - query link status.
172  *
173  * @bp:		driver handle
174  * @is_serdes:	bool
175  *
176  * Returns 0 if link is UP.
177  */
178 u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes);
179 
180 /**
181  * bnx2x_drv_pulse - write driver pulse to shmem
182  *
183  * @bp:		driver handle
184  *
185  * writes the value in bp->fw_drv_pulse_wr_seq to drv_pulse mbox
186  * in the shmem.
187  */
188 void bnx2x_drv_pulse(struct bnx2x *bp);
189 
190 /**
191  * bnx2x_igu_ack_sb - update IGU with current SB value
192  *
193  * @bp:		driver handle
194  * @igu_sb_id:	SB id
195  * @segment:	SB segment
196  * @index:	SB index
197  * @op:		SB operation
198  * @update:	is HW update required
199  */
200 void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
201 		      u16 index, u8 op, u8 update);
202 
203 /* Disable transactions from chip to host */
204 void bnx2x_pf_disable(struct bnx2x *bp);
205 int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val);
206 
207 /**
208  * bnx2x__link_status_update - handles link status change.
209  *
210  * @bp:		driver handle
211  */
212 void bnx2x__link_status_update(struct bnx2x *bp);
213 
214 /**
215  * bnx2x_link_report - report link status to upper layer.
216  *
217  * @bp:		driver handle
218  */
219 void bnx2x_link_report(struct bnx2x *bp);
220 
221 /* None-atomic version of bnx2x_link_report() */
222 void __bnx2x_link_report(struct bnx2x *bp);
223 
224 /**
225  * bnx2x_get_mf_speed - calculate MF speed.
226  *
227  * @bp:		driver handle
228  *
229  * Takes into account current linespeed and MF configuration.
230  */
231 u16 bnx2x_get_mf_speed(struct bnx2x *bp);
232 
233 /**
234  * bnx2x_msix_sp_int - MSI-X slowpath interrupt handler
235  *
236  * @irq:		irq number
237  * @dev_instance:	private instance
238  */
239 irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance);
240 
241 /**
242  * bnx2x_interrupt - non MSI-X interrupt handler
243  *
244  * @irq:		irq number
245  * @dev_instance:	private instance
246  */
247 irqreturn_t bnx2x_interrupt(int irq, void *dev_instance);
248 
249 /**
250  * bnx2x_cnic_notify - send command to cnic driver
251  *
252  * @bp:		driver handle
253  * @cmd:	command
254  */
255 int bnx2x_cnic_notify(struct bnx2x *bp, int cmd);
256 
257 /**
258  * bnx2x_setup_cnic_irq_info - provides cnic with IRQ information
259  *
260  * @bp:		driver handle
261  */
262 void bnx2x_setup_cnic_irq_info(struct bnx2x *bp);
263 
264 /**
265  * bnx2x_setup_cnic_info - provides cnic with updated info
266  *
267  * @bp:		driver handle
268  */
269 void bnx2x_setup_cnic_info(struct bnx2x *bp);
270 
271 /**
272  * bnx2x_int_enable - enable HW interrupts.
273  *
274  * @bp:		driver handle
275  */
276 void bnx2x_int_enable(struct bnx2x *bp);
277 
278 /**
279  * bnx2x_int_disable_sync - disable interrupts.
280  *
281  * @bp:		driver handle
282  * @disable_hw:	true, disable HW interrupts.
283  *
284  * This function ensures that there are no
285  * ISRs or SP DPCs (sp_task) are running after it returns.
286  */
287 void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw);
288 
289 /**
290  * bnx2x_nic_init_cnic - init driver internals for cnic.
291  *
292  * @bp:		driver handle
293  * @load_code:	COMMON, PORT or FUNCTION
294  *
295  * Initializes:
296  *  - rings
297  *  - status blocks
298  *  - etc.
299  */
300 void bnx2x_nic_init_cnic(struct bnx2x *bp);
301 
302 /**
303  * bnx2x_preirq_nic_init - init driver internals.
304  *
305  * @bp:		driver handle
306  *
307  * Initializes:
308  *  - fastpath object
309  *  - fastpath rings
310  *  etc.
311  */
312 void bnx2x_pre_irq_nic_init(struct bnx2x *bp);
313 
314 /**
315  * bnx2x_postirq_nic_init - init driver internals.
316  *
317  * @bp:		driver handle
318  * @load_code:	COMMON, PORT or FUNCTION
319  *
320  * Initializes:
321  *  - status blocks
322  *  - slowpath rings
323  *  - etc.
324  */
325 void bnx2x_post_irq_nic_init(struct bnx2x *bp, u32 load_code);
326 /**
327  * bnx2x_alloc_mem_cnic - allocate driver's memory for cnic.
328  *
329  * @bp:		driver handle
330  */
331 int bnx2x_alloc_mem_cnic(struct bnx2x *bp);
332 /**
333  * bnx2x_alloc_mem - allocate driver's memory.
334  *
335  * @bp:		driver handle
336  */
337 int bnx2x_alloc_mem(struct bnx2x *bp);
338 
339 /**
340  * bnx2x_free_mem_cnic - release driver's memory for cnic.
341  *
342  * @bp:		driver handle
343  */
344 void bnx2x_free_mem_cnic(struct bnx2x *bp);
345 /**
346  * bnx2x_free_mem - release driver's memory.
347  *
348  * @bp:		driver handle
349  */
350 void bnx2x_free_mem(struct bnx2x *bp);
351 
352 /**
353  * bnx2x_set_num_queues - set number of queues according to mode.
354  *
355  * @bp:		driver handle
356  */
357 void bnx2x_set_num_queues(struct bnx2x *bp);
358 
359 /**
360  * bnx2x_chip_cleanup - cleanup chip internals.
361  *
362  * @bp:			driver handle
363  * @unload_mode:	COMMON, PORT, FUNCTION
364  * @keep_link:		true iff link should be kept up.
365  *
366  * - Cleanup MAC configuration.
367  * - Closes clients.
368  * - etc.
369  */
370 void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link);
371 
372 /**
373  * bnx2x_acquire_hw_lock - acquire HW lock.
374  *
375  * @bp:		driver handle
376  * @resource:	resource bit which was locked
377  */
378 int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource);
379 
380 /**
381  * bnx2x_release_hw_lock - release HW lock.
382  *
383  * @bp:		driver handle
384  * @resource:	resource bit which was locked
385  */
386 int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource);
387 
388 /**
389  * bnx2x_release_leader_lock - release recovery leader lock
390  *
391  * @bp:		driver handle
392  */
393 int bnx2x_release_leader_lock(struct bnx2x *bp);
394 
395 /**
396  * bnx2x_set_eth_mac - configure eth MAC address in the HW
397  *
398  * @bp:		driver handle
399  * @set:	set or clear
400  *
401  * Configures according to the value in netdev->dev_addr.
402  */
403 int bnx2x_set_eth_mac(struct bnx2x *bp, bool set);
404 
405 /**
406  * bnx2x_set_rx_mode - set MAC filtering configurations.
407  *
408  * @dev:	netdevice
409  *
410  * called with netif_tx_lock from dev_mcast.c
411  * If bp->state is OPEN, should be called with
412  * netif_addr_lock_bh()
413  */
414 void bnx2x_set_rx_mode_inner(struct bnx2x *bp);
415 
416 /* Parity errors related */
417 void bnx2x_set_pf_load(struct bnx2x *bp);
418 bool bnx2x_clear_pf_load(struct bnx2x *bp);
419 bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print);
420 bool bnx2x_reset_is_done(struct bnx2x *bp, int engine);
421 void bnx2x_set_reset_in_progress(struct bnx2x *bp);
422 void bnx2x_set_reset_global(struct bnx2x *bp);
423 void bnx2x_disable_close_the_gate(struct bnx2x *bp);
424 int bnx2x_init_hw_func_cnic(struct bnx2x *bp);
425 
426 /**
427  * bnx2x_sp_event - handle ramrods completion.
428  *
429  * @fp:		fastpath handle for the event
430  * @rr_cqe:	eth_rx_cqe
431  */
432 void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe);
433 
434 /**
435  * bnx2x_ilt_set_info - prepare ILT configurations.
436  *
437  * @bp:		driver handle
438  */
439 void bnx2x_ilt_set_info(struct bnx2x *bp);
440 
441 /**
442  * bnx2x_ilt_set_cnic_info - prepare ILT configurations for SRC
443  * and TM.
444  *
445  * @bp:		driver handle
446  */
447 void bnx2x_ilt_set_info_cnic(struct bnx2x *bp);
448 
449 /**
450  * bnx2x_dcbx_init - initialize dcbx protocol.
451  *
452  * @bp:		driver handle
453  */
454 void bnx2x_dcbx_init(struct bnx2x *bp, bool update_shmem);
455 
456 /**
457  * bnx2x_set_power_state - set power state to the requested value.
458  *
459  * @bp:		driver handle
460  * @state:	required state D0 or D3hot
461  *
462  * Currently only D0 and D3hot are supported.
463  */
464 int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state);
465 
466 /**
467  * bnx2x_update_max_mf_config - update MAX part of MF configuration in HW.
468  *
469  * @bp:		driver handle
470  * @value:	new value
471  */
472 void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value);
473 /* Error handling */
474 void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl);
475 
476 /* dev_close main block */
477 int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link);
478 
479 /* dev_open main block */
480 int bnx2x_nic_load(struct bnx2x *bp, int load_mode);
481 
482 /* hard_xmit callback */
483 netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev);
484 
485 /* setup_tc callback */
486 int bnx2x_setup_tc(struct net_device *dev, u8 num_tc);
487 
488 int bnx2x_get_vf_config(struct net_device *dev, int vf,
489 			struct ifla_vf_info *ivi);
490 int bnx2x_set_vf_mac(struct net_device *dev, int queue, u8 *mac);
491 int bnx2x_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos);
492 
493 /* select_queue callback */
494 u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
495 		       void *accel_priv, select_queue_fallback_t fallback);
496 
497 static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
498 					struct bnx2x_fastpath *fp,
499 					u16 bd_prod, u16 rx_comp_prod,
500 					u16 rx_sge_prod)
501 {
502 	struct ustorm_eth_rx_producers rx_prods = {0};
503 	u32 i;
504 
505 	/* Update producers */
506 	rx_prods.bd_prod = bd_prod;
507 	rx_prods.cqe_prod = rx_comp_prod;
508 	rx_prods.sge_prod = rx_sge_prod;
509 
510 	/* Make sure that the BD and SGE data is updated before updating the
511 	 * producers since FW might read the BD/SGE right after the producer
512 	 * is updated.
513 	 * This is only applicable for weak-ordered memory model archs such
514 	 * as IA-64. The following barrier is also mandatory since FW will
515 	 * assumes BDs must have buffers.
516 	 */
517 	wmb();
518 
519 	for (i = 0; i < sizeof(rx_prods)/4; i++)
520 		REG_WR(bp, fp->ustorm_rx_prods_offset + i*4,
521 		       ((u32 *)&rx_prods)[i]);
522 
523 	mmiowb(); /* keep prod updates ordered */
524 
525 	DP(NETIF_MSG_RX_STATUS,
526 	   "queue[%d]:  wrote  bd_prod %u  cqe_prod %u  sge_prod %u\n",
527 	   fp->index, bd_prod, rx_comp_prod, rx_sge_prod);
528 }
529 
530 /* reload helper */
531 int bnx2x_reload_if_running(struct net_device *dev);
532 
533 int bnx2x_change_mac_addr(struct net_device *dev, void *p);
534 
535 /* NAPI poll Tx part */
536 int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata);
537 
538 /* suspend/resume callbacks */
539 int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state);
540 int bnx2x_resume(struct pci_dev *pdev);
541 
542 /* Release IRQ vectors */
543 void bnx2x_free_irq(struct bnx2x *bp);
544 
545 void bnx2x_free_fp_mem(struct bnx2x *bp);
546 void bnx2x_init_rx_rings(struct bnx2x *bp);
547 void bnx2x_init_rx_rings_cnic(struct bnx2x *bp);
548 void bnx2x_free_skbs(struct bnx2x *bp);
549 void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw);
550 void bnx2x_netif_start(struct bnx2x *bp);
551 int bnx2x_load_cnic(struct bnx2x *bp);
552 
553 /**
554  * bnx2x_enable_msix - set msix configuration.
555  *
556  * @bp:		driver handle
557  *
558  * fills msix_table, requests vectors, updates num_queues
559  * according to number of available vectors.
560  */
561 int bnx2x_enable_msix(struct bnx2x *bp);
562 
563 /**
564  * bnx2x_enable_msi - request msi mode from OS, updated internals accordingly
565  *
566  * @bp:		driver handle
567  */
568 int bnx2x_enable_msi(struct bnx2x *bp);
569 
570 /**
571  * bnx2x_low_latency_recv - LL callback
572  *
573  * @napi:	napi structure
574  */
575 int bnx2x_low_latency_recv(struct napi_struct *napi);
576 
577 /**
578  * bnx2x_alloc_mem_bp - allocate memories outsize main driver structure
579  *
580  * @bp:		driver handle
581  */
582 int bnx2x_alloc_mem_bp(struct bnx2x *bp);
583 
584 /**
585  * bnx2x_free_mem_bp - release memories outsize main driver structure
586  *
587  * @bp:		driver handle
588  */
589 void bnx2x_free_mem_bp(struct bnx2x *bp);
590 
591 /**
592  * bnx2x_change_mtu - change mtu netdev callback
593  *
594  * @dev:	net device
595  * @new_mtu:	requested mtu
596  *
597  */
598 int bnx2x_change_mtu(struct net_device *dev, int new_mtu);
599 
600 #ifdef NETDEV_FCOE_WWNN
601 /**
602  * bnx2x_fcoe_get_wwn - return the requested WWN value for this port
603  *
604  * @dev:	net_device
605  * @wwn:	output buffer
606  * @type:	WWN type: NETDEV_FCOE_WWNN (node) or NETDEV_FCOE_WWPN (port)
607  *
608  */
609 int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type);
610 #endif
611 
612 netdev_features_t bnx2x_fix_features(struct net_device *dev,
613 				     netdev_features_t features);
614 int bnx2x_set_features(struct net_device *dev, netdev_features_t features);
615 
616 /**
617  * bnx2x_tx_timeout - tx timeout netdev callback
618  *
619  * @dev:	net device
620  */
621 void bnx2x_tx_timeout(struct net_device *dev);
622 
623 /*********************** Inlines **********************************/
624 /*********************** Fast path ********************************/
625 static inline void bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
626 {
627 	barrier(); /* status block is written to by the chip */
628 	fp->fp_hc_idx = fp->sb_running_index[SM_RX_ID];
629 }
630 
631 static inline void bnx2x_igu_ack_sb_gen(struct bnx2x *bp, u8 igu_sb_id,
632 					u8 segment, u16 index, u8 op,
633 					u8 update, u32 igu_addr)
634 {
635 	struct igu_regular cmd_data = {0};
636 
637 	cmd_data.sb_id_and_flags =
638 			((index << IGU_REGULAR_SB_INDEX_SHIFT) |
639 			 (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
640 			 (update << IGU_REGULAR_BUPDATE_SHIFT) |
641 			 (op << IGU_REGULAR_ENABLE_INT_SHIFT));
642 
643 	DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n",
644 	   cmd_data.sb_id_and_flags, igu_addr);
645 	REG_WR(bp, igu_addr, cmd_data.sb_id_and_flags);
646 
647 	/* Make sure that ACK is written */
648 	mmiowb();
649 	barrier();
650 }
651 
652 static inline void bnx2x_hc_ack_sb(struct bnx2x *bp, u8 sb_id,
653 				   u8 storm, u16 index, u8 op, u8 update)
654 {
655 	u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
656 		       COMMAND_REG_INT_ACK);
657 	struct igu_ack_register igu_ack;
658 
659 	igu_ack.status_block_index = index;
660 	igu_ack.sb_id_and_flags =
661 			((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
662 			 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
663 			 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
664 			 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
665 
666 	REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
667 
668 	/* Make sure that ACK is written */
669 	mmiowb();
670 	barrier();
671 }
672 
673 static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 storm,
674 				u16 index, u8 op, u8 update)
675 {
676 	if (bp->common.int_block == INT_BLOCK_HC)
677 		bnx2x_hc_ack_sb(bp, igu_sb_id, storm, index, op, update);
678 	else {
679 		u8 segment;
680 
681 		if (CHIP_INT_MODE_IS_BC(bp))
682 			segment = storm;
683 		else if (igu_sb_id != bp->igu_dsb_id)
684 			segment = IGU_SEG_ACCESS_DEF;
685 		else if (storm == ATTENTION_ID)
686 			segment = IGU_SEG_ACCESS_ATTN;
687 		else
688 			segment = IGU_SEG_ACCESS_DEF;
689 		bnx2x_igu_ack_sb(bp, igu_sb_id, segment, index, op, update);
690 	}
691 }
692 
693 static inline u16 bnx2x_hc_ack_int(struct bnx2x *bp)
694 {
695 	u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
696 		       COMMAND_REG_SIMD_MASK);
697 	u32 result = REG_RD(bp, hc_addr);
698 
699 	barrier();
700 	return result;
701 }
702 
703 static inline u16 bnx2x_igu_ack_int(struct bnx2x *bp)
704 {
705 	u32 igu_addr = (BAR_IGU_INTMEM + IGU_REG_SISR_MDPC_WMASK_LSB_UPPER*8);
706 	u32 result = REG_RD(bp, igu_addr);
707 
708 	DP(NETIF_MSG_INTR, "read 0x%08x from IGU addr 0x%x\n",
709 	   result, igu_addr);
710 
711 	barrier();
712 	return result;
713 }
714 
715 static inline u16 bnx2x_ack_int(struct bnx2x *bp)
716 {
717 	barrier();
718 	if (bp->common.int_block == INT_BLOCK_HC)
719 		return bnx2x_hc_ack_int(bp);
720 	else
721 		return bnx2x_igu_ack_int(bp);
722 }
723 
724 static inline int bnx2x_has_tx_work_unload(struct bnx2x_fp_txdata *txdata)
725 {
726 	/* Tell compiler that consumer and producer can change */
727 	barrier();
728 	return txdata->tx_pkt_prod != txdata->tx_pkt_cons;
729 }
730 
731 static inline u16 bnx2x_tx_avail(struct bnx2x *bp,
732 				 struct bnx2x_fp_txdata *txdata)
733 {
734 	s16 used;
735 	u16 prod;
736 	u16 cons;
737 
738 	prod = txdata->tx_bd_prod;
739 	cons = txdata->tx_bd_cons;
740 
741 	used = SUB_S16(prod, cons);
742 
743 #ifdef BNX2X_STOP_ON_ERROR
744 	WARN_ON(used < 0);
745 	WARN_ON(used > txdata->tx_ring_size);
746 	WARN_ON((txdata->tx_ring_size - used) > MAX_TX_AVAIL);
747 #endif
748 
749 	return (s16)(txdata->tx_ring_size) - used;
750 }
751 
752 static inline int bnx2x_tx_queue_has_work(struct bnx2x_fp_txdata *txdata)
753 {
754 	u16 hw_cons;
755 
756 	/* Tell compiler that status block fields can change */
757 	barrier();
758 	hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
759 	return hw_cons != txdata->tx_pkt_cons;
760 }
761 
762 static inline bool bnx2x_has_tx_work(struct bnx2x_fastpath *fp)
763 {
764 	u8 cos;
765 	for_each_cos_in_tx_queue(fp, cos)
766 		if (bnx2x_tx_queue_has_work(fp->txdata_ptr[cos]))
767 			return true;
768 	return false;
769 }
770 
771 #define BNX2X_IS_CQE_COMPLETED(cqe_fp) (cqe_fp->marker == 0x0)
772 #define BNX2X_SEED_CQE(cqe_fp) (cqe_fp->marker = 0xFFFFFFFF)
773 static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp)
774 {
775 	u16 cons;
776 	union eth_rx_cqe *cqe;
777 	struct eth_fast_path_rx_cqe *cqe_fp;
778 
779 	cons = RCQ_BD(fp->rx_comp_cons);
780 	cqe = &fp->rx_comp_ring[cons];
781 	cqe_fp = &cqe->fast_path_cqe;
782 	return BNX2X_IS_CQE_COMPLETED(cqe_fp);
783 }
784 
785 /**
786  * bnx2x_tx_disable - disables tx from stack point of view
787  *
788  * @bp:		driver handle
789  */
790 static inline void bnx2x_tx_disable(struct bnx2x *bp)
791 {
792 	netif_tx_disable(bp->dev);
793 	netif_carrier_off(bp->dev);
794 }
795 
796 static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
797 				     struct bnx2x_fastpath *fp, u16 index)
798 {
799 	struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
800 	struct page *page = sw_buf->page;
801 	struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
802 
803 	/* Skip "next page" elements */
804 	if (!page)
805 		return;
806 
807 	dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(sw_buf, mapping),
808 		       SGE_PAGES, DMA_FROM_DEVICE);
809 	__free_pages(page, PAGES_PER_SGE_SHIFT);
810 
811 	sw_buf->page = NULL;
812 	sge->addr_hi = 0;
813 	sge->addr_lo = 0;
814 }
815 
816 static inline void bnx2x_del_all_napi_cnic(struct bnx2x *bp)
817 {
818 	int i;
819 
820 	for_each_rx_queue_cnic(bp, i) {
821 		napi_hash_del(&bnx2x_fp(bp, i, napi));
822 		netif_napi_del(&bnx2x_fp(bp, i, napi));
823 	}
824 }
825 
826 static inline void bnx2x_del_all_napi(struct bnx2x *bp)
827 {
828 	int i;
829 
830 	for_each_eth_queue(bp, i) {
831 		napi_hash_del(&bnx2x_fp(bp, i, napi));
832 		netif_napi_del(&bnx2x_fp(bp, i, napi));
833 	}
834 }
835 
836 int bnx2x_set_int_mode(struct bnx2x *bp);
837 
838 static inline void bnx2x_disable_msi(struct bnx2x *bp)
839 {
840 	if (bp->flags & USING_MSIX_FLAG) {
841 		pci_disable_msix(bp->pdev);
842 		bp->flags &= ~(USING_MSIX_FLAG | USING_SINGLE_MSIX_FLAG);
843 	} else if (bp->flags & USING_MSI_FLAG) {
844 		pci_disable_msi(bp->pdev);
845 		bp->flags &= ~USING_MSI_FLAG;
846 	}
847 }
848 
849 static inline void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
850 {
851 	int i, j;
852 
853 	for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
854 		int idx = RX_SGE_CNT * i - 1;
855 
856 		for (j = 0; j < 2; j++) {
857 			BIT_VEC64_CLEAR_BIT(fp->sge_mask, idx);
858 			idx--;
859 		}
860 	}
861 }
862 
863 static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
864 {
865 	/* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
866 	memset(fp->sge_mask, 0xff, sizeof(fp->sge_mask));
867 
868 	/* Clear the two last indices in the page to 1:
869 	   these are the indices that correspond to the "next" element,
870 	   hence will never be indicated and should be removed from
871 	   the calculations. */
872 	bnx2x_clear_sge_mask_next_elems(fp);
873 }
874 
875 /* note that we are not allocating a new buffer,
876  * we are just moving one from cons to prod
877  * we are not creating a new mapping,
878  * so there is no need to check for dma_mapping_error().
879  */
880 static inline void bnx2x_reuse_rx_data(struct bnx2x_fastpath *fp,
881 				      u16 cons, u16 prod)
882 {
883 	struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
884 	struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
885 	struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
886 	struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
887 
888 	dma_unmap_addr_set(prod_rx_buf, mapping,
889 			   dma_unmap_addr(cons_rx_buf, mapping));
890 	prod_rx_buf->data = cons_rx_buf->data;
891 	*prod_bd = *cons_bd;
892 }
893 
894 /************************* Init ******************************************/
895 
896 /* returns func by VN for current port */
897 static inline int func_by_vn(struct bnx2x *bp, int vn)
898 {
899 	return 2 * vn + BP_PORT(bp);
900 }
901 
902 static inline int bnx2x_config_rss_eth(struct bnx2x *bp, bool config_hash)
903 {
904 	return bnx2x_rss(bp, &bp->rss_conf_obj, config_hash, true);
905 }
906 
907 /**
908  * bnx2x_func_start - init function
909  *
910  * @bp:		driver handle
911  *
912  * Must be called before sending CLIENT_SETUP for the first client.
913  */
914 static inline int bnx2x_func_start(struct bnx2x *bp)
915 {
916 	struct bnx2x_func_state_params func_params = {NULL};
917 	struct bnx2x_func_start_params *start_params =
918 		&func_params.params.start;
919 
920 	/* Prepare parameters for function state transitions */
921 	__set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
922 
923 	func_params.f_obj = &bp->func_obj;
924 	func_params.cmd = BNX2X_F_CMD_START;
925 
926 	/* Function parameters */
927 	start_params->mf_mode = bp->mf_mode;
928 	start_params->sd_vlan_tag = bp->mf_ov;
929 
930 	if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp))
931 		start_params->network_cos_mode = STATIC_COS;
932 	else /* CHIP_IS_E1X */
933 		start_params->network_cos_mode = FW_WRR;
934 
935 	start_params->tunnel_mode	= TUNN_MODE_GRE;
936 	start_params->gre_tunnel_type	= IPGRE_TUNNEL;
937 	start_params->inner_gre_rss_en	= 1;
938 
939 	if (IS_MF_UFP(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) {
940 		start_params->class_fail_ethtype = ETH_P_FIP;
941 		start_params->class_fail = 1;
942 		start_params->no_added_tags = 1;
943 	}
944 
945 	return bnx2x_func_state_change(bp, &func_params);
946 }
947 
948 /**
949  * bnx2x_set_fw_mac_addr - fill in a MAC address in FW format
950  *
951  * @fw_hi:	pointer to upper part
952  * @fw_mid:	pointer to middle part
953  * @fw_lo:	pointer to lower part
954  * @mac:	pointer to MAC address
955  */
956 static inline void bnx2x_set_fw_mac_addr(__le16 *fw_hi, __le16 *fw_mid,
957 					 __le16 *fw_lo, u8 *mac)
958 {
959 	((u8 *)fw_hi)[0]  = mac[1];
960 	((u8 *)fw_hi)[1]  = mac[0];
961 	((u8 *)fw_mid)[0] = mac[3];
962 	((u8 *)fw_mid)[1] = mac[2];
963 	((u8 *)fw_lo)[0]  = mac[5];
964 	((u8 *)fw_lo)[1]  = mac[4];
965 }
966 
967 static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
968 					   struct bnx2x_fastpath *fp, int last)
969 {
970 	int i;
971 
972 	if (fp->disable_tpa)
973 		return;
974 
975 	for (i = 0; i < last; i++)
976 		bnx2x_free_rx_sge(bp, fp, i);
977 }
978 
979 static inline void bnx2x_set_next_page_rx_bd(struct bnx2x_fastpath *fp)
980 {
981 	int i;
982 
983 	for (i = 1; i <= NUM_RX_RINGS; i++) {
984 		struct eth_rx_bd *rx_bd;
985 
986 		rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
987 		rx_bd->addr_hi =
988 			cpu_to_le32(U64_HI(fp->rx_desc_mapping +
989 				    BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
990 		rx_bd->addr_lo =
991 			cpu_to_le32(U64_LO(fp->rx_desc_mapping +
992 				    BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
993 	}
994 }
995 
996 /* Statistics ID are global per chip/path, while Client IDs for E1x are per
997  * port.
998  */
999 static inline u8 bnx2x_stats_id(struct bnx2x_fastpath *fp)
1000 {
1001 	struct bnx2x *bp = fp->bp;
1002 	if (!CHIP_IS_E1x(bp)) {
1003 		/* there are special statistics counters for FCoE 136..140 */
1004 		if (IS_FCOE_FP(fp))
1005 			return bp->cnic_base_cl_id + (bp->pf_num >> 1);
1006 		return fp->cl_id;
1007 	}
1008 	return fp->cl_id + BP_PORT(bp) * FP_SB_MAX_E1x;
1009 }
1010 
1011 static inline void bnx2x_init_vlan_mac_fp_objs(struct bnx2x_fastpath *fp,
1012 					       bnx2x_obj_type obj_type)
1013 {
1014 	struct bnx2x *bp = fp->bp;
1015 
1016 	/* Configure classification DBs */
1017 	bnx2x_init_mac_obj(bp, &bnx2x_sp_obj(bp, fp).mac_obj, fp->cl_id,
1018 			   fp->cid, BP_FUNC(bp), bnx2x_sp(bp, mac_rdata),
1019 			   bnx2x_sp_mapping(bp, mac_rdata),
1020 			   BNX2X_FILTER_MAC_PENDING,
1021 			   &bp->sp_state, obj_type,
1022 			   &bp->macs_pool);
1023 }
1024 
1025 /**
1026  * bnx2x_get_path_func_num - get number of active functions
1027  *
1028  * @bp:		driver handle
1029  *
1030  * Calculates the number of active (not hidden) functions on the
1031  * current path.
1032  */
1033 static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp)
1034 {
1035 	u8 func_num = 0, i;
1036 
1037 	/* 57710 has only one function per-port */
1038 	if (CHIP_IS_E1(bp))
1039 		return 1;
1040 
1041 	/* Calculate a number of functions enabled on the current
1042 	 * PATH/PORT.
1043 	 */
1044 	if (CHIP_REV_IS_SLOW(bp)) {
1045 		if (IS_MF(bp))
1046 			func_num = 4;
1047 		else
1048 			func_num = 2;
1049 	} else {
1050 		for (i = 0; i < E1H_FUNC_MAX / 2; i++) {
1051 			u32 func_config =
1052 				MF_CFG_RD(bp,
1053 					  func_mf_config[BP_PORT(bp) + 2 * i].
1054 					  config);
1055 			func_num +=
1056 				((func_config & FUNC_MF_CFG_FUNC_HIDE) ? 0 : 1);
1057 		}
1058 	}
1059 
1060 	WARN_ON(!func_num);
1061 
1062 	return func_num;
1063 }
1064 
1065 static inline void bnx2x_init_bp_objs(struct bnx2x *bp)
1066 {
1067 	/* RX_MODE controlling object */
1068 	bnx2x_init_rx_mode_obj(bp, &bp->rx_mode_obj);
1069 
1070 	/* multicast configuration controlling object */
1071 	bnx2x_init_mcast_obj(bp, &bp->mcast_obj, bp->fp->cl_id, bp->fp->cid,
1072 			     BP_FUNC(bp), BP_FUNC(bp),
1073 			     bnx2x_sp(bp, mcast_rdata),
1074 			     bnx2x_sp_mapping(bp, mcast_rdata),
1075 			     BNX2X_FILTER_MCAST_PENDING, &bp->sp_state,
1076 			     BNX2X_OBJ_TYPE_RX);
1077 
1078 	/* Setup CAM credit pools */
1079 	bnx2x_init_mac_credit_pool(bp, &bp->macs_pool, BP_FUNC(bp),
1080 				   bnx2x_get_path_func_num(bp));
1081 
1082 	bnx2x_init_vlan_credit_pool(bp, &bp->vlans_pool, BP_ABS_FUNC(bp)>>1,
1083 				    bnx2x_get_path_func_num(bp));
1084 
1085 	/* RSS configuration object */
1086 	bnx2x_init_rss_config_obj(bp, &bp->rss_conf_obj, bp->fp->cl_id,
1087 				  bp->fp->cid, BP_FUNC(bp), BP_FUNC(bp),
1088 				  bnx2x_sp(bp, rss_rdata),
1089 				  bnx2x_sp_mapping(bp, rss_rdata),
1090 				  BNX2X_FILTER_RSS_CONF_PENDING, &bp->sp_state,
1091 				  BNX2X_OBJ_TYPE_RX);
1092 }
1093 
1094 static inline u8 bnx2x_fp_qzone_id(struct bnx2x_fastpath *fp)
1095 {
1096 	if (CHIP_IS_E1x(fp->bp))
1097 		return fp->cl_id + BP_PORT(fp->bp) * ETH_MAX_RX_CLIENTS_E1H;
1098 	else
1099 		return fp->cl_id;
1100 }
1101 
1102 static inline void bnx2x_init_txdata(struct bnx2x *bp,
1103 				     struct bnx2x_fp_txdata *txdata, u32 cid,
1104 				     int txq_index, __le16 *tx_cons_sb,
1105 				     struct bnx2x_fastpath *fp)
1106 {
1107 	txdata->cid = cid;
1108 	txdata->txq_index = txq_index;
1109 	txdata->tx_cons_sb = tx_cons_sb;
1110 	txdata->parent_fp = fp;
1111 	txdata->tx_ring_size = IS_FCOE_FP(fp) ? MAX_TX_AVAIL : bp->tx_ring_size;
1112 
1113 	DP(NETIF_MSG_IFUP, "created tx data cid %d, txq %d\n",
1114 	   txdata->cid, txdata->txq_index);
1115 }
1116 
1117 static inline u8 bnx2x_cnic_eth_cl_id(struct bnx2x *bp, u8 cl_idx)
1118 {
1119 	return bp->cnic_base_cl_id + cl_idx +
1120 		(bp->pf_num >> 1) * BNX2X_MAX_CNIC_ETH_CL_ID_IDX;
1121 }
1122 
1123 static inline u8 bnx2x_cnic_fw_sb_id(struct bnx2x *bp)
1124 {
1125 	/* the 'first' id is allocated for the cnic */
1126 	return bp->base_fw_ndsb;
1127 }
1128 
1129 static inline u8 bnx2x_cnic_igu_sb_id(struct bnx2x *bp)
1130 {
1131 	return bp->igu_base_sb;
1132 }
1133 
1134 static inline int bnx2x_clean_tx_queue(struct bnx2x *bp,
1135 				       struct bnx2x_fp_txdata *txdata)
1136 {
1137 	int cnt = 1000;
1138 
1139 	while (bnx2x_has_tx_work_unload(txdata)) {
1140 		if (!cnt) {
1141 			BNX2X_ERR("timeout waiting for queue[%d]: txdata->tx_pkt_prod(%d) != txdata->tx_pkt_cons(%d)\n",
1142 				  txdata->txq_index, txdata->tx_pkt_prod,
1143 				  txdata->tx_pkt_cons);
1144 #ifdef BNX2X_STOP_ON_ERROR
1145 			bnx2x_panic();
1146 			return -EBUSY;
1147 #else
1148 			break;
1149 #endif
1150 		}
1151 		cnt--;
1152 		usleep_range(1000, 2000);
1153 	}
1154 
1155 	return 0;
1156 }
1157 
1158 int bnx2x_get_link_cfg_idx(struct bnx2x *bp);
1159 
1160 static inline void __storm_memset_struct(struct bnx2x *bp,
1161 					 u32 addr, size_t size, u32 *data)
1162 {
1163 	int i;
1164 	for (i = 0; i < size/4; i++)
1165 		REG_WR(bp, addr + (i * 4), data[i]);
1166 }
1167 
1168 /**
1169  * bnx2x_wait_sp_comp - wait for the outstanding SP commands.
1170  *
1171  * @bp:		driver handle
1172  * @mask:	bits that need to be cleared
1173  */
1174 static inline bool bnx2x_wait_sp_comp(struct bnx2x *bp, unsigned long mask)
1175 {
1176 	int tout = 5000; /* Wait for 5 secs tops */
1177 
1178 	while (tout--) {
1179 		smp_mb();
1180 		netif_addr_lock_bh(bp->dev);
1181 		if (!(bp->sp_state & mask)) {
1182 			netif_addr_unlock_bh(bp->dev);
1183 			return true;
1184 		}
1185 		netif_addr_unlock_bh(bp->dev);
1186 
1187 		usleep_range(1000, 2000);
1188 	}
1189 
1190 	smp_mb();
1191 
1192 	netif_addr_lock_bh(bp->dev);
1193 	if (bp->sp_state & mask) {
1194 		BNX2X_ERR("Filtering completion timed out. sp_state 0x%lx, mask 0x%lx\n",
1195 			  bp->sp_state, mask);
1196 		netif_addr_unlock_bh(bp->dev);
1197 		return false;
1198 	}
1199 	netif_addr_unlock_bh(bp->dev);
1200 
1201 	return true;
1202 }
1203 
1204 /**
1205  * bnx2x_set_ctx_validation - set CDU context validation values
1206  *
1207  * @bp:		driver handle
1208  * @cxt:	context of the connection on the host memory
1209  * @cid:	SW CID of the connection to be configured
1210  */
1211 void bnx2x_set_ctx_validation(struct bnx2x *bp, struct eth_context *cxt,
1212 			      u32 cid);
1213 
1214 void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u8 fw_sb_id,
1215 				    u8 sb_index, u8 disable, u16 usec);
1216 void bnx2x_acquire_phy_lock(struct bnx2x *bp);
1217 void bnx2x_release_phy_lock(struct bnx2x *bp);
1218 
1219 /**
1220  * bnx2x_extract_max_cfg - extract MAX BW part from MF configuration.
1221  *
1222  * @bp:		driver handle
1223  * @mf_cfg:	MF configuration
1224  *
1225  */
1226 static inline u16 bnx2x_extract_max_cfg(struct bnx2x *bp, u32 mf_cfg)
1227 {
1228 	u16 max_cfg = (mf_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
1229 			      FUNC_MF_CFG_MAX_BW_SHIFT;
1230 	if (!max_cfg) {
1231 		DP(NETIF_MSG_IFUP | BNX2X_MSG_ETHTOOL,
1232 		   "Max BW configured to 0 - using 100 instead\n");
1233 		max_cfg = 100;
1234 	}
1235 	return max_cfg;
1236 }
1237 
1238 /* checks if HW supports GRO for given MTU */
1239 static inline bool bnx2x_mtu_allows_gro(int mtu)
1240 {
1241 	/* gro frags per page */
1242 	int fpp = SGE_PAGE_SIZE / (mtu - ETH_MAX_TPA_HEADER_SIZE);
1243 
1244 	/*
1245 	 * 1. Number of frags should not grow above MAX_SKB_FRAGS
1246 	 * 2. Frag must fit the page
1247 	 */
1248 	return mtu <= SGE_PAGE_SIZE && (U_ETH_SGL_SIZE * fpp) <= MAX_SKB_FRAGS;
1249 }
1250 
1251 /**
1252  * bnx2x_get_iscsi_info - update iSCSI params according to licensing info.
1253  *
1254  * @bp:		driver handle
1255  *
1256  */
1257 void bnx2x_get_iscsi_info(struct bnx2x *bp);
1258 
1259 /**
1260  * bnx2x_link_sync_notify - send notification to other functions.
1261  *
1262  * @bp:		driver handle
1263  *
1264  */
1265 static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
1266 {
1267 	int func;
1268 	int vn;
1269 
1270 	/* Set the attention towards other drivers on the same port */
1271 	for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
1272 		if (vn == BP_VN(bp))
1273 			continue;
1274 
1275 		func = func_by_vn(bp, vn);
1276 		REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
1277 		       (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
1278 	}
1279 }
1280 
1281 /**
1282  * bnx2x_update_drv_flags - update flags in shmem
1283  *
1284  * @bp:		driver handle
1285  * @flags:	flags to update
1286  * @set:	set or clear
1287  *
1288  */
1289 static inline void bnx2x_update_drv_flags(struct bnx2x *bp, u32 flags, u32 set)
1290 {
1291 	if (SHMEM2_HAS(bp, drv_flags)) {
1292 		u32 drv_flags;
1293 		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS);
1294 		drv_flags = SHMEM2_RD(bp, drv_flags);
1295 
1296 		if (set)
1297 			SET_FLAGS(drv_flags, flags);
1298 		else
1299 			RESET_FLAGS(drv_flags, flags);
1300 
1301 		SHMEM2_WR(bp, drv_flags, drv_flags);
1302 		DP(NETIF_MSG_IFUP, "drv_flags 0x%08x\n", drv_flags);
1303 		bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS);
1304 	}
1305 }
1306 
1307 
1308 
1309 /**
1310  * bnx2x_fill_fw_str - Fill buffer with FW version string
1311  *
1312  * @bp:        driver handle
1313  * @buf:       character buffer to fill with the fw name
1314  * @buf_len:   length of the above buffer
1315  *
1316  */
1317 void bnx2x_fill_fw_str(struct bnx2x *bp, char *buf, size_t buf_len);
1318 
1319 int bnx2x_drain_tx_queues(struct bnx2x *bp);
1320 void bnx2x_squeeze_objects(struct bnx2x *bp);
1321 
1322 void bnx2x_schedule_sp_rtnl(struct bnx2x*, enum sp_rtnl_flag,
1323 			    u32 verbose);
1324 
1325 #endif /* BNX2X_CMN_H */
1326