bnx2x.h revision 2de67439c1f50e32fb54ca70786fcfa96c5bfd53
1/* bnx2x.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: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
11 * Based on code from Michael Chan's bnx2 driver
12 */
13
14#ifndef BNX2X_H
15#define BNX2X_H
16
17#include <linux/pci.h>
18#include <linux/netdevice.h>
19#include <linux/dma-mapping.h>
20#include <linux/types.h>
21#include <linux/pci_regs.h>
22
23/* compilation time flags */
24
25/* define this to make the driver freeze on error to allow getting debug info
26 * (you will need to reboot afterwards) */
27/* #define BNX2X_STOP_ON_ERROR */
28
29#define DRV_MODULE_VERSION      "1.78.02-0"
30#define DRV_MODULE_RELDATE      "2013/01/14"
31#define BNX2X_BC_VER            0x040200
32
33#if defined(CONFIG_DCB)
34#define BCM_DCBNL
35#endif
36
37
38#include "bnx2x_hsi.h"
39
40#include "../cnic_if.h"
41
42
43#define BNX2X_MIN_MSIX_VEC_CNT(bp)		((bp)->min_msix_vec_cnt)
44
45#include <linux/mdio.h>
46
47#include "bnx2x_reg.h"
48#include "bnx2x_fw_defs.h"
49#include "bnx2x_mfw_req.h"
50#include "bnx2x_link.h"
51#include "bnx2x_sp.h"
52#include "bnx2x_dcb.h"
53#include "bnx2x_stats.h"
54#include "bnx2x_vfpf.h"
55
56enum bnx2x_int_mode {
57	BNX2X_INT_MODE_MSIX,
58	BNX2X_INT_MODE_INTX,
59	BNX2X_INT_MODE_MSI
60};
61
62/* error/debug prints */
63
64#define DRV_MODULE_NAME		"bnx2x"
65
66/* for messages that are currently off */
67#define BNX2X_MSG_OFF			0x0
68#define BNX2X_MSG_MCP			0x0010000 /* was: NETIF_MSG_HW */
69#define BNX2X_MSG_STATS			0x0020000 /* was: NETIF_MSG_TIMER */
70#define BNX2X_MSG_NVM			0x0040000 /* was: NETIF_MSG_HW */
71#define BNX2X_MSG_DMAE			0x0080000 /* was: NETIF_MSG_HW */
72#define BNX2X_MSG_SP			0x0100000 /* was: NETIF_MSG_INTR */
73#define BNX2X_MSG_FP			0x0200000 /* was: NETIF_MSG_INTR */
74#define BNX2X_MSG_IOV			0x0800000
75#define BNX2X_MSG_IDLE			0x2000000 /* used for idle check*/
76#define BNX2X_MSG_ETHTOOL		0x4000000
77#define BNX2X_MSG_DCB			0x8000000
78
79/* regular debug print */
80#define DP(__mask, fmt, ...)					\
81do {								\
82	if (unlikely(bp->msg_enable & (__mask)))		\
83		pr_notice("[%s:%d(%s)]" fmt,			\
84			  __func__, __LINE__,			\
85			  bp->dev ? (bp->dev->name) : "?",	\
86			  ##__VA_ARGS__);			\
87} while (0)
88
89#define DP_CONT(__mask, fmt, ...)				\
90do {								\
91	if (unlikely(bp->msg_enable & (__mask)))		\
92		pr_cont(fmt, ##__VA_ARGS__);			\
93} while (0)
94
95/* errors debug print */
96#define BNX2X_DBG_ERR(fmt, ...)					\
97do {								\
98	if (unlikely(netif_msg_probe(bp)))			\
99		pr_err("[%s:%d(%s)]" fmt,			\
100		       __func__, __LINE__,			\
101		       bp->dev ? (bp->dev->name) : "?",		\
102		       ##__VA_ARGS__);				\
103} while (0)
104
105/* for errors (never masked) */
106#define BNX2X_ERR(fmt, ...)					\
107do {								\
108	pr_err("[%s:%d(%s)]" fmt,				\
109	       __func__, __LINE__,				\
110	       bp->dev ? (bp->dev->name) : "?",			\
111	       ##__VA_ARGS__);					\
112} while (0)
113
114#define BNX2X_ERROR(fmt, ...)					\
115	pr_err("[%s:%d]" fmt, __func__, __LINE__, ##__VA_ARGS__)
116
117
118/* before we have a dev->name use dev_info() */
119#define BNX2X_DEV_INFO(fmt, ...)				 \
120do {								 \
121	if (unlikely(netif_msg_probe(bp)))			 \
122		dev_info(&bp->pdev->dev, fmt, ##__VA_ARGS__);	 \
123} while (0)
124
125#ifdef BNX2X_STOP_ON_ERROR
126#define bnx2x_panic()				\
127do {						\
128	bp->panic = 1;				\
129	BNX2X_ERR("driver assert\n");		\
130	bnx2x_panic_dump(bp, true);		\
131} while (0)
132#else
133#define bnx2x_panic()				\
134do {						\
135	bp->panic = 1;				\
136	BNX2X_ERR("driver assert\n");		\
137	bnx2x_panic_dump(bp, false);		\
138} while (0)
139#endif
140
141#define bnx2x_mc_addr(ha)      ((ha)->addr)
142#define bnx2x_uc_addr(ha)      ((ha)->addr)
143
144#define U64_LO(x)			((u32)(((u64)(x)) & 0xffffffff))
145#define U64_HI(x)			((u32)(((u64)(x)) >> 32))
146#define HILO_U64(hi, lo)		((((u64)(hi)) << 32) + (lo))
147
148
149#define REG_ADDR(bp, offset)		((bp->regview) + (offset))
150
151#define REG_RD(bp, offset)		readl(REG_ADDR(bp, offset))
152#define REG_RD8(bp, offset)		readb(REG_ADDR(bp, offset))
153#define REG_RD16(bp, offset)		readw(REG_ADDR(bp, offset))
154
155#define REG_WR(bp, offset, val)		writel((u32)val, REG_ADDR(bp, offset))
156#define REG_WR8(bp, offset, val)	writeb((u8)val, REG_ADDR(bp, offset))
157#define REG_WR16(bp, offset, val)	writew((u16)val, REG_ADDR(bp, offset))
158
159#define REG_RD_IND(bp, offset)		bnx2x_reg_rd_ind(bp, offset)
160#define REG_WR_IND(bp, offset, val)	bnx2x_reg_wr_ind(bp, offset, val)
161
162#define REG_RD_DMAE(bp, offset, valp, len32) \
163	do { \
164		bnx2x_read_dmae(bp, offset, len32);\
165		memcpy(valp, bnx2x_sp(bp, wb_data[0]), (len32) * 4); \
166	} while (0)
167
168#define REG_WR_DMAE(bp, offset, valp, len32) \
169	do { \
170		memcpy(bnx2x_sp(bp, wb_data[0]), valp, (len32) * 4); \
171		bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data), \
172				 offset, len32); \
173	} while (0)
174
175#define REG_WR_DMAE_LEN(bp, offset, valp, len32) \
176	REG_WR_DMAE(bp, offset, valp, len32)
177
178#define VIRT_WR_DMAE_LEN(bp, data, addr, len32, le32_swap) \
179	do { \
180		memcpy(GUNZIP_BUF(bp), data, (len32) * 4); \
181		bnx2x_write_big_buf_wb(bp, addr, len32); \
182	} while (0)
183
184#define SHMEM_ADDR(bp, field)		(bp->common.shmem_base + \
185					 offsetof(struct shmem_region, field))
186#define SHMEM_RD(bp, field)		REG_RD(bp, SHMEM_ADDR(bp, field))
187#define SHMEM_WR(bp, field, val)	REG_WR(bp, SHMEM_ADDR(bp, field), val)
188
189#define SHMEM2_ADDR(bp, field)		(bp->common.shmem2_base + \
190					 offsetof(struct shmem2_region, field))
191#define SHMEM2_RD(bp, field)		REG_RD(bp, SHMEM2_ADDR(bp, field))
192#define SHMEM2_WR(bp, field, val)	REG_WR(bp, SHMEM2_ADDR(bp, field), val)
193#define MF_CFG_ADDR(bp, field)		(bp->common.mf_cfg_base + \
194					 offsetof(struct mf_cfg, field))
195#define MF2_CFG_ADDR(bp, field)		(bp->common.mf2_cfg_base + \
196					 offsetof(struct mf2_cfg, field))
197
198#define MF_CFG_RD(bp, field)		REG_RD(bp, MF_CFG_ADDR(bp, field))
199#define MF_CFG_WR(bp, field, val)	REG_WR(bp,\
200					       MF_CFG_ADDR(bp, field), (val))
201#define MF2_CFG_RD(bp, field)		REG_RD(bp, MF2_CFG_ADDR(bp, field))
202
203#define SHMEM2_HAS(bp, field)		((bp)->common.shmem2_base &&	\
204					 (SHMEM2_RD((bp), size) >	\
205					 offsetof(struct shmem2_region, field)))
206
207#define EMAC_RD(bp, reg)		REG_RD(bp, emac_base + reg)
208#define EMAC_WR(bp, reg, val)		REG_WR(bp, emac_base + reg, val)
209
210/* SP SB indices */
211
212/* General SP events - stats query, cfc delete, etc  */
213#define HC_SP_INDEX_ETH_DEF_CONS		3
214
215/* EQ completions */
216#define HC_SP_INDEX_EQ_CONS			7
217
218/* FCoE L2 connection completions */
219#define HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS		6
220#define HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS		4
221/* iSCSI L2 */
222#define HC_SP_INDEX_ETH_ISCSI_CQ_CONS		5
223#define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS	1
224
225/* Special clients parameters */
226
227/* SB indices */
228/* FCoE L2 */
229#define BNX2X_FCOE_L2_RX_INDEX \
230	(&bp->def_status_blk->sp_sb.\
231	index_values[HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS])
232
233#define BNX2X_FCOE_L2_TX_INDEX \
234	(&bp->def_status_blk->sp_sb.\
235	index_values[HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS])
236
237/**
238 *  CIDs and CLIDs:
239 *  CLIDs below is a CLID for func 0, then the CLID for other
240 *  functions will be calculated by the formula:
241 *
242 *  FUNC_N_CLID_X = N * NUM_SPECIAL_CLIENTS + FUNC_0_CLID_X
243 *
244 */
245enum {
246	BNX2X_ISCSI_ETH_CL_ID_IDX,
247	BNX2X_FCOE_ETH_CL_ID_IDX,
248	BNX2X_MAX_CNIC_ETH_CL_ID_IDX,
249};
250
251#define BNX2X_CNIC_START_ETH_CID(bp)	(BNX2X_NUM_NON_CNIC_QUEUES(bp) *\
252					 (bp)->max_cos)
253	/* iSCSI L2 */
254#define	BNX2X_ISCSI_ETH_CID(bp)		(BNX2X_CNIC_START_ETH_CID(bp))
255	/* FCoE L2 */
256#define	BNX2X_FCOE_ETH_CID(bp)		(BNX2X_CNIC_START_ETH_CID(bp) + 1)
257
258#define CNIC_SUPPORT(bp)		((bp)->cnic_support)
259#define CNIC_ENABLED(bp)		((bp)->cnic_enabled)
260#define CNIC_LOADED(bp)			((bp)->cnic_loaded)
261#define FCOE_INIT(bp)			((bp)->fcoe_init)
262
263#define AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR \
264	AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR
265
266#define SM_RX_ID			0
267#define SM_TX_ID			1
268
269/* defines for multiple tx priority indices */
270#define FIRST_TX_ONLY_COS_INDEX		1
271#define FIRST_TX_COS_INDEX		0
272
273/* rules for calculating the cids of tx-only connections */
274#define CID_TO_FP(cid, bp)		((cid) % BNX2X_NUM_NON_CNIC_QUEUES(bp))
275#define CID_COS_TO_TX_ONLY_CID(cid, cos, bp) \
276				(cid + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
277
278/* fp index inside class of service range */
279#define FP_COS_TO_TXQ(fp, cos, bp) \
280			((fp)->index + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
281
282/* Indexes for transmission queues array:
283 * txdata for RSS i CoS j is at location i + (j * num of RSS)
284 * txdata for FCoE (if exist) is at location max cos * num of RSS
285 * txdata for FWD (if exist) is one location after FCoE
286 * txdata for OOO (if exist) is one location after FWD
287 */
288enum {
289	FCOE_TXQ_IDX_OFFSET,
290	FWD_TXQ_IDX_OFFSET,
291	OOO_TXQ_IDX_OFFSET,
292};
293#define MAX_ETH_TXQ_IDX(bp)	(BNX2X_NUM_NON_CNIC_QUEUES(bp) * (bp)->max_cos)
294#define FCOE_TXQ_IDX(bp)	(MAX_ETH_TXQ_IDX(bp) + FCOE_TXQ_IDX_OFFSET)
295
296/* fast path */
297/*
298 * This driver uses new build_skb() API :
299 * RX ring buffer contains pointer to kmalloc() data only,
300 * skb are built only after Hardware filled the frame.
301 */
302struct sw_rx_bd {
303	u8		*data;
304	DEFINE_DMA_UNMAP_ADDR(mapping);
305};
306
307struct sw_tx_bd {
308	struct sk_buff	*skb;
309	u16		first_bd;
310	u8		flags;
311/* Set on the first BD descriptor when there is a split BD */
312#define BNX2X_TSO_SPLIT_BD		(1<<0)
313};
314
315struct sw_rx_page {
316	struct page	*page;
317	DEFINE_DMA_UNMAP_ADDR(mapping);
318};
319
320union db_prod {
321	struct doorbell_set_prod data;
322	u32		raw;
323};
324
325/* dropless fc FW/HW related params */
326#define BRB_SIZE(bp)		(CHIP_IS_E3(bp) ? 1024 : 512)
327#define MAX_AGG_QS(bp)		(CHIP_IS_E1(bp) ? \
328					ETH_MAX_AGGREGATION_QUEUES_E1 :\
329					ETH_MAX_AGGREGATION_QUEUES_E1H_E2)
330#define FW_DROP_LEVEL(bp)	(3 + MAX_SPQ_PENDING + MAX_AGG_QS(bp))
331#define FW_PREFETCH_CNT		16
332#define DROPLESS_FC_HEADROOM	100
333
334/* MC hsi */
335#define BCM_PAGE_SHIFT		12
336#define BCM_PAGE_SIZE		(1 << BCM_PAGE_SHIFT)
337#define BCM_PAGE_MASK		(~(BCM_PAGE_SIZE - 1))
338#define BCM_PAGE_ALIGN(addr)	(((addr) + BCM_PAGE_SIZE - 1) & BCM_PAGE_MASK)
339
340#define PAGES_PER_SGE_SHIFT	0
341#define PAGES_PER_SGE		(1 << PAGES_PER_SGE_SHIFT)
342#define SGE_PAGE_SIZE		PAGE_SIZE
343#define SGE_PAGE_SHIFT		PAGE_SHIFT
344#define SGE_PAGE_ALIGN(addr)	PAGE_ALIGN((typeof(PAGE_SIZE))(addr))
345#define SGE_PAGES		(SGE_PAGE_SIZE * PAGES_PER_SGE)
346#define TPA_AGG_SIZE		min_t(u32, (min_t(u32, 8, MAX_SKB_FRAGS) * \
347					    SGE_PAGES), 0xffff)
348
349/* SGE ring related macros */
350#define NUM_RX_SGE_PAGES	2
351#define RX_SGE_CNT		(BCM_PAGE_SIZE / sizeof(struct eth_rx_sge))
352#define NEXT_PAGE_SGE_DESC_CNT	2
353#define MAX_RX_SGE_CNT		(RX_SGE_CNT - NEXT_PAGE_SGE_DESC_CNT)
354/* RX_SGE_CNT is promised to be a power of 2 */
355#define RX_SGE_MASK		(RX_SGE_CNT - 1)
356#define NUM_RX_SGE		(RX_SGE_CNT * NUM_RX_SGE_PAGES)
357#define MAX_RX_SGE		(NUM_RX_SGE - 1)
358#define NEXT_SGE_IDX(x)		((((x) & RX_SGE_MASK) == \
359				  (MAX_RX_SGE_CNT - 1)) ? \
360					(x) + 1 + NEXT_PAGE_SGE_DESC_CNT : \
361					(x) + 1)
362#define RX_SGE(x)		((x) & MAX_RX_SGE)
363
364/*
365 * Number of required  SGEs is the sum of two:
366 * 1. Number of possible opened aggregations (next packet for
367 *    these aggregations will probably consume SGE immidiatelly)
368 * 2. Rest of BRB blocks divided by 2 (block will consume new SGE only
369 *    after placement on BD for new TPA aggregation)
370 *
371 * Takes into account NEXT_PAGE_SGE_DESC_CNT "next" elements on each page
372 */
373#define NUM_SGE_REQ		(MAX_AGG_QS(bp) + \
374					(BRB_SIZE(bp) - MAX_AGG_QS(bp)) / 2)
375#define NUM_SGE_PG_REQ		((NUM_SGE_REQ + MAX_RX_SGE_CNT - 1) / \
376						MAX_RX_SGE_CNT)
377#define SGE_TH_LO(bp)		(NUM_SGE_REQ + \
378				 NUM_SGE_PG_REQ * NEXT_PAGE_SGE_DESC_CNT)
379#define SGE_TH_HI(bp)		(SGE_TH_LO(bp) + DROPLESS_FC_HEADROOM)
380
381/* Manipulate a bit vector defined as an array of u64 */
382
383/* Number of bits in one sge_mask array element */
384#define BIT_VEC64_ELEM_SZ		64
385#define BIT_VEC64_ELEM_SHIFT		6
386#define BIT_VEC64_ELEM_MASK		((u64)BIT_VEC64_ELEM_SZ - 1)
387
388
389#define __BIT_VEC64_SET_BIT(el, bit) \
390	do { \
391		el = ((el) | ((u64)0x1 << (bit))); \
392	} while (0)
393
394#define __BIT_VEC64_CLEAR_BIT(el, bit) \
395	do { \
396		el = ((el) & (~((u64)0x1 << (bit)))); \
397	} while (0)
398
399
400#define BIT_VEC64_SET_BIT(vec64, idx) \
401	__BIT_VEC64_SET_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
402			   (idx) & BIT_VEC64_ELEM_MASK)
403
404#define BIT_VEC64_CLEAR_BIT(vec64, idx) \
405	__BIT_VEC64_CLEAR_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
406			     (idx) & BIT_VEC64_ELEM_MASK)
407
408#define BIT_VEC64_TEST_BIT(vec64, idx) \
409	(((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT] >> \
410	((idx) & BIT_VEC64_ELEM_MASK)) & 0x1)
411
412/* Creates a bitmask of all ones in less significant bits.
413   idx - index of the most significant bit in the created mask */
414#define BIT_VEC64_ONES_MASK(idx) \
415		(((u64)0x1 << (((idx) & BIT_VEC64_ELEM_MASK) + 1)) - 1)
416#define BIT_VEC64_ELEM_ONE_MASK	((u64)(~0))
417
418/*******************************************************/
419
420
421
422/* Number of u64 elements in SGE mask array */
423#define RX_SGE_MASK_LEN			(NUM_RX_SGE / BIT_VEC64_ELEM_SZ)
424#define RX_SGE_MASK_LEN_MASK		(RX_SGE_MASK_LEN - 1)
425#define NEXT_SGE_MASK_ELEM(el)		(((el) + 1) & RX_SGE_MASK_LEN_MASK)
426
427union host_hc_status_block {
428	/* pointer to fp status block e1x */
429	struct host_hc_status_block_e1x *e1x_sb;
430	/* pointer to fp status block e2 */
431	struct host_hc_status_block_e2  *e2_sb;
432};
433
434struct bnx2x_agg_info {
435	/*
436	 * First aggregation buffer is a data buffer, the following - are pages.
437	 * We will preallocate the data buffer for each aggregation when
438	 * we open the interface and will replace the BD at the consumer
439	 * with this one when we receive the TPA_START CQE in order to
440	 * keep the Rx BD ring consistent.
441	 */
442	struct sw_rx_bd		first_buf;
443	u8			tpa_state;
444#define BNX2X_TPA_START			1
445#define BNX2X_TPA_STOP			2
446#define BNX2X_TPA_ERROR			3
447	u8			placement_offset;
448	u16			parsing_flags;
449	u16			vlan_tag;
450	u16			len_on_bd;
451	u32			rxhash;
452	bool			l4_rxhash;
453	u16			gro_size;
454	u16			full_page;
455};
456
457#define Q_STATS_OFFSET32(stat_name) \
458			(offsetof(struct bnx2x_eth_q_stats, stat_name) / 4)
459
460struct bnx2x_fp_txdata {
461
462	struct sw_tx_bd		*tx_buf_ring;
463
464	union eth_tx_bd_types	*tx_desc_ring;
465	dma_addr_t		tx_desc_mapping;
466
467	u32			cid;
468
469	union db_prod		tx_db;
470
471	u16			tx_pkt_prod;
472	u16			tx_pkt_cons;
473	u16			tx_bd_prod;
474	u16			tx_bd_cons;
475
476	unsigned long		tx_pkt;
477
478	__le16			*tx_cons_sb;
479
480	int			txq_index;
481	struct bnx2x_fastpath	*parent_fp;
482	int			tx_ring_size;
483};
484
485enum bnx2x_tpa_mode_t {
486	TPA_MODE_LRO,
487	TPA_MODE_GRO
488};
489
490struct bnx2x_fastpath {
491	struct bnx2x		*bp; /* parent */
492
493#define BNX2X_NAPI_WEIGHT       128
494	struct napi_struct	napi;
495	union host_hc_status_block	status_blk;
496	/* chip independed shortcuts into sb structure */
497	__le16			*sb_index_values;
498	__le16			*sb_running_index;
499	/* chip independed shortcut into rx_prods_offset memory */
500	u32			ustorm_rx_prods_offset;
501
502	u32			rx_buf_size;
503	u32			rx_frag_size; /* 0 if kmalloced(), or rx_buf_size + NET_SKB_PAD */
504	dma_addr_t		status_blk_mapping;
505
506	enum bnx2x_tpa_mode_t	mode;
507
508	u8			max_cos; /* actual number of active tx coses */
509	struct bnx2x_fp_txdata	*txdata_ptr[BNX2X_MULTI_TX_COS];
510
511	struct sw_rx_bd		*rx_buf_ring;	/* BDs mappings ring */
512	struct sw_rx_page	*rx_page_ring;	/* SGE pages mappings ring */
513
514	struct eth_rx_bd	*rx_desc_ring;
515	dma_addr_t		rx_desc_mapping;
516
517	union eth_rx_cqe	*rx_comp_ring;
518	dma_addr_t		rx_comp_mapping;
519
520	/* SGE ring */
521	struct eth_rx_sge	*rx_sge_ring;
522	dma_addr_t		rx_sge_mapping;
523
524	u64			sge_mask[RX_SGE_MASK_LEN];
525
526	u32			cid;
527
528	__le16			fp_hc_idx;
529
530	u8			index;		/* number in fp array */
531	u8			rx_queue;	/* index for skb_record */
532	u8			cl_id;		/* eth client id */
533	u8			cl_qzone_id;
534	u8			fw_sb_id;	/* status block number in FW */
535	u8			igu_sb_id;	/* status block number in HW */
536
537	u16			rx_bd_prod;
538	u16			rx_bd_cons;
539	u16			rx_comp_prod;
540	u16			rx_comp_cons;
541	u16			rx_sge_prod;
542	/* The last maximal completed SGE */
543	u16			last_max_sge;
544	__le16			*rx_cons_sb;
545	unsigned long		rx_pkt,
546				rx_calls;
547
548	/* TPA related */
549	struct bnx2x_agg_info	*tpa_info;
550	u8			disable_tpa;
551#ifdef BNX2X_STOP_ON_ERROR
552	u64			tpa_queue_used;
553#endif
554	/* The size is calculated using the following:
555	     sizeof name field from netdev structure +
556	     4 ('-Xx-' string) +
557	     4 (for the digits and to make it DWORD aligned) */
558#define FP_NAME_SIZE		(sizeof(((struct net_device *)0)->name) + 8)
559	char			name[FP_NAME_SIZE];
560};
561
562#define bnx2x_fp(bp, nr, var)	((bp)->fp[(nr)].var)
563#define bnx2x_sp_obj(bp, fp)	((bp)->sp_objs[(fp)->index])
564#define bnx2x_fp_stats(bp, fp)	(&((bp)->fp_stats[(fp)->index]))
565#define bnx2x_fp_qstats(bp, fp)	(&((bp)->fp_stats[(fp)->index].eth_q_stats))
566
567/* Use 2500 as a mini-jumbo MTU for FCoE */
568#define BNX2X_FCOE_MINI_JUMBO_MTU	2500
569
570#define	FCOE_IDX_OFFSET		0
571
572#define FCOE_IDX(bp)		(BNX2X_NUM_NON_CNIC_QUEUES(bp) + \
573				 FCOE_IDX_OFFSET)
574#define bnx2x_fcoe_fp(bp)	(&bp->fp[FCOE_IDX(bp)])
575#define bnx2x_fcoe(bp, var)	(bnx2x_fcoe_fp(bp)->var)
576#define bnx2x_fcoe_inner_sp_obj(bp)	(&bp->sp_objs[FCOE_IDX(bp)])
577#define bnx2x_fcoe_sp_obj(bp, var)	(bnx2x_fcoe_inner_sp_obj(bp)->var)
578#define bnx2x_fcoe_tx(bp, var)	(bnx2x_fcoe_fp(bp)-> \
579						txdata_ptr[FIRST_TX_COS_INDEX] \
580						->var)
581
582
583#define IS_ETH_FP(fp)		((fp)->index < BNX2X_NUM_ETH_QUEUES((fp)->bp))
584#define IS_FCOE_FP(fp)		((fp)->index == FCOE_IDX((fp)->bp))
585#define IS_FCOE_IDX(idx)	((idx) == FCOE_IDX(bp))
586
587
588/* MC hsi */
589#define MAX_FETCH_BD		13	/* HW max BDs per packet */
590#define RX_COPY_THRESH		92
591
592#define NUM_TX_RINGS		16
593#define TX_DESC_CNT		(BCM_PAGE_SIZE / sizeof(union eth_tx_bd_types))
594#define NEXT_PAGE_TX_DESC_CNT	1
595#define MAX_TX_DESC_CNT		(TX_DESC_CNT - NEXT_PAGE_TX_DESC_CNT)
596#define NUM_TX_BD		(TX_DESC_CNT * NUM_TX_RINGS)
597#define MAX_TX_BD		(NUM_TX_BD - 1)
598#define MAX_TX_AVAIL		(MAX_TX_DESC_CNT * NUM_TX_RINGS - 2)
599#define NEXT_TX_IDX(x)		((((x) & MAX_TX_DESC_CNT) == \
600				  (MAX_TX_DESC_CNT - 1)) ? \
601					(x) + 1 + NEXT_PAGE_TX_DESC_CNT : \
602					(x) + 1)
603#define TX_BD(x)		((x) & MAX_TX_BD)
604#define TX_BD_POFF(x)		((x) & MAX_TX_DESC_CNT)
605
606/* number of NEXT_PAGE descriptors may be required during placement */
607#define NEXT_CNT_PER_TX_PKT(bds)	\
608				(((bds) + MAX_TX_DESC_CNT - 1) / \
609				 MAX_TX_DESC_CNT * NEXT_PAGE_TX_DESC_CNT)
610/* max BDs per tx packet w/o next_pages:
611 * START_BD		- describes packed
612 * START_BD(splitted)	- includes unpaged data segment for GSO
613 * PARSING_BD		- for TSO and CSUM data
614 * Frag BDs		- decribes pages for frags
615 */
616#define BDS_PER_TX_PKT		3
617#define MAX_BDS_PER_TX_PKT	(MAX_SKB_FRAGS + BDS_PER_TX_PKT)
618/* max BDs per tx packet including next pages */
619#define MAX_DESC_PER_TX_PKT	(MAX_BDS_PER_TX_PKT + \
620				 NEXT_CNT_PER_TX_PKT(MAX_BDS_PER_TX_PKT))
621
622/* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */
623#define NUM_RX_RINGS		8
624#define RX_DESC_CNT		(BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
625#define NEXT_PAGE_RX_DESC_CNT	2
626#define MAX_RX_DESC_CNT		(RX_DESC_CNT - NEXT_PAGE_RX_DESC_CNT)
627#define RX_DESC_MASK		(RX_DESC_CNT - 1)
628#define NUM_RX_BD		(RX_DESC_CNT * NUM_RX_RINGS)
629#define MAX_RX_BD		(NUM_RX_BD - 1)
630#define MAX_RX_AVAIL		(MAX_RX_DESC_CNT * NUM_RX_RINGS - 2)
631
632/* dropless fc calculations for BDs
633 *
634 * Number of BDs should as number of buffers in BRB:
635 * Low threshold takes into account NEXT_PAGE_RX_DESC_CNT
636 * "next" elements on each page
637 */
638#define NUM_BD_REQ		BRB_SIZE(bp)
639#define NUM_BD_PG_REQ		((NUM_BD_REQ + MAX_RX_DESC_CNT - 1) / \
640					      MAX_RX_DESC_CNT)
641#define BD_TH_LO(bp)		(NUM_BD_REQ + \
642				 NUM_BD_PG_REQ * NEXT_PAGE_RX_DESC_CNT + \
643				 FW_DROP_LEVEL(bp))
644#define BD_TH_HI(bp)		(BD_TH_LO(bp) + DROPLESS_FC_HEADROOM)
645
646#define MIN_RX_AVAIL		((bp)->dropless_fc ? BD_TH_HI(bp) + 128 : 128)
647
648#define MIN_RX_SIZE_TPA_HW	(CHIP_IS_E1(bp) ? \
649					ETH_MIN_RX_CQES_WITH_TPA_E1 : \
650					ETH_MIN_RX_CQES_WITH_TPA_E1H_E2)
651#define MIN_RX_SIZE_NONTPA_HW   ETH_MIN_RX_CQES_WITHOUT_TPA
652#define MIN_RX_SIZE_TPA		(max_t(u32, MIN_RX_SIZE_TPA_HW, MIN_RX_AVAIL))
653#define MIN_RX_SIZE_NONTPA	(max_t(u32, MIN_RX_SIZE_NONTPA_HW,\
654								MIN_RX_AVAIL))
655
656#define NEXT_RX_IDX(x)		((((x) & RX_DESC_MASK) == \
657				  (MAX_RX_DESC_CNT - 1)) ? \
658					(x) + 1 + NEXT_PAGE_RX_DESC_CNT : \
659					(x) + 1)
660#define RX_BD(x)		((x) & MAX_RX_BD)
661
662/*
663 * As long as CQE is X times bigger than BD entry we have to allocate X times
664 * more pages for CQ ring in order to keep it balanced with BD ring
665 */
666#define CQE_BD_REL	(sizeof(union eth_rx_cqe) / sizeof(struct eth_rx_bd))
667#define NUM_RCQ_RINGS		(NUM_RX_RINGS * CQE_BD_REL)
668#define RCQ_DESC_CNT		(BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
669#define NEXT_PAGE_RCQ_DESC_CNT	1
670#define MAX_RCQ_DESC_CNT	(RCQ_DESC_CNT - NEXT_PAGE_RCQ_DESC_CNT)
671#define NUM_RCQ_BD		(RCQ_DESC_CNT * NUM_RCQ_RINGS)
672#define MAX_RCQ_BD		(NUM_RCQ_BD - 1)
673#define MAX_RCQ_AVAIL		(MAX_RCQ_DESC_CNT * NUM_RCQ_RINGS - 2)
674#define NEXT_RCQ_IDX(x)		((((x) & MAX_RCQ_DESC_CNT) == \
675				  (MAX_RCQ_DESC_CNT - 1)) ? \
676					(x) + 1 + NEXT_PAGE_RCQ_DESC_CNT : \
677					(x) + 1)
678#define RCQ_BD(x)		((x) & MAX_RCQ_BD)
679
680/* dropless fc calculations for RCQs
681 *
682 * Number of RCQs should be as number of buffers in BRB:
683 * Low threshold takes into account NEXT_PAGE_RCQ_DESC_CNT
684 * "next" elements on each page
685 */
686#define NUM_RCQ_REQ		BRB_SIZE(bp)
687#define NUM_RCQ_PG_REQ		((NUM_BD_REQ + MAX_RCQ_DESC_CNT - 1) / \
688					      MAX_RCQ_DESC_CNT)
689#define RCQ_TH_LO(bp)		(NUM_RCQ_REQ + \
690				 NUM_RCQ_PG_REQ * NEXT_PAGE_RCQ_DESC_CNT + \
691				 FW_DROP_LEVEL(bp))
692#define RCQ_TH_HI(bp)		(RCQ_TH_LO(bp) + DROPLESS_FC_HEADROOM)
693
694
695/* This is needed for determining of last_max */
696#define SUB_S16(a, b)		(s16)((s16)(a) - (s16)(b))
697#define SUB_S32(a, b)		(s32)((s32)(a) - (s32)(b))
698
699
700#define BNX2X_SWCID_SHIFT	17
701#define BNX2X_SWCID_MASK	((0x1 << BNX2X_SWCID_SHIFT) - 1)
702
703/* used on a CID received from the HW */
704#define SW_CID(x)			(le32_to_cpu(x) & BNX2X_SWCID_MASK)
705#define CQE_CMD(x)			(le32_to_cpu(x) >> \
706					COMMON_RAMROD_ETH_RX_CQE_CMD_ID_SHIFT)
707
708#define BD_UNMAP_ADDR(bd)		HILO_U64(le32_to_cpu((bd)->addr_hi), \
709						 le32_to_cpu((bd)->addr_lo))
710#define BD_UNMAP_LEN(bd)		(le16_to_cpu((bd)->nbytes))
711
712#define BNX2X_DB_MIN_SHIFT		3	/* 8 bytes */
713#define BNX2X_DB_SHIFT			7	/* 128 bytes*/
714#if (BNX2X_DB_SHIFT < BNX2X_DB_MIN_SHIFT)
715#error "Min DB doorbell stride is 8"
716#endif
717#define DPM_TRIGER_TYPE			0x40
718#define DOORBELL(bp, cid, val) \
719	do { \
720		writel((u32)(val), bp->doorbells + (bp->db_size * (cid)) + \
721		       DPM_TRIGER_TYPE); \
722	} while (0)
723
724
725/* TX CSUM helpers */
726#define SKB_CS_OFF(skb)		(offsetof(struct tcphdr, check) - \
727				 skb->csum_offset)
728#define SKB_CS(skb)		(*(u16 *)(skb_transport_header(skb) + \
729					  skb->csum_offset))
730
731#define pbd_tcp_flags(skb)	(ntohl(tcp_flag_word(tcp_hdr(skb)))>>16 & 0xff)
732
733#define XMIT_PLAIN			0
734#define XMIT_CSUM_V4			0x1
735#define XMIT_CSUM_V6			0x2
736#define XMIT_CSUM_TCP			0x4
737#define XMIT_GSO_V4			0x8
738#define XMIT_GSO_V6			0x10
739
740#define XMIT_CSUM			(XMIT_CSUM_V4 | XMIT_CSUM_V6)
741#define XMIT_GSO			(XMIT_GSO_V4 | XMIT_GSO_V6)
742
743
744/* stuff added to make the code fit 80Col */
745#define CQE_TYPE(cqe_fp_flags)	 ((cqe_fp_flags) & ETH_FAST_PATH_RX_CQE_TYPE)
746#define CQE_TYPE_START(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_START_AGG)
747#define CQE_TYPE_STOP(cqe_type)  ((cqe_type) == RX_ETH_CQE_TYPE_ETH_STOP_AGG)
748#define CQE_TYPE_SLOW(cqe_type)  ((cqe_type) == RX_ETH_CQE_TYPE_ETH_RAMROD)
749#define CQE_TYPE_FAST(cqe_type)  ((cqe_type) == RX_ETH_CQE_TYPE_ETH_FASTPATH)
750
751#define ETH_RX_ERROR_FALGS		ETH_FAST_PATH_RX_CQE_PHY_DECODE_ERR_FLG
752
753#define BNX2X_PRS_FLAG_OVERETH_IPV4(flags) \
754				(((le16_to_cpu(flags) & \
755				   PARSING_FLAGS_OVER_ETHERNET_PROTOCOL) >> \
756				  PARSING_FLAGS_OVER_ETHERNET_PROTOCOL_SHIFT) \
757				 == PRS_FLAG_OVERETH_IPV4)
758#define BNX2X_RX_SUM_FIX(cqe) \
759	BNX2X_PRS_FLAG_OVERETH_IPV4(cqe->fast_path_cqe.pars_flags.flags)
760
761
762#define FP_USB_FUNC_OFF	\
763			offsetof(struct cstorm_status_block_u, func)
764#define FP_CSB_FUNC_OFF	\
765			offsetof(struct cstorm_status_block_c, func)
766
767#define HC_INDEX_ETH_RX_CQ_CONS		1
768
769#define HC_INDEX_OOO_TX_CQ_CONS		4
770
771#define HC_INDEX_ETH_TX_CQ_CONS_COS0	5
772
773#define HC_INDEX_ETH_TX_CQ_CONS_COS1	6
774
775#define HC_INDEX_ETH_TX_CQ_CONS_COS2	7
776
777#define HC_INDEX_ETH_FIRST_TX_CQ_CONS	HC_INDEX_ETH_TX_CQ_CONS_COS0
778
779#define BNX2X_RX_SB_INDEX \
780	(&fp->sb_index_values[HC_INDEX_ETH_RX_CQ_CONS])
781
782#define BNX2X_TX_SB_INDEX_BASE BNX2X_TX_SB_INDEX_COS0
783
784#define BNX2X_TX_SB_INDEX_COS0 \
785	(&fp->sb_index_values[HC_INDEX_ETH_TX_CQ_CONS_COS0])
786
787/* end of fast path */
788
789/* common */
790
791struct bnx2x_common {
792
793	u32			chip_id;
794/* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
795#define CHIP_ID(bp)			(bp->common.chip_id & 0xfffffff0)
796
797#define CHIP_NUM(bp)			(bp->common.chip_id >> 16)
798#define CHIP_NUM_57710			0x164e
799#define CHIP_NUM_57711			0x164f
800#define CHIP_NUM_57711E			0x1650
801#define CHIP_NUM_57712			0x1662
802#define CHIP_NUM_57712_MF		0x1663
803#define CHIP_NUM_57712_VF		0x166f
804#define CHIP_NUM_57713			0x1651
805#define CHIP_NUM_57713E			0x1652
806#define CHIP_NUM_57800			0x168a
807#define CHIP_NUM_57800_MF		0x16a5
808#define CHIP_NUM_57800_VF		0x16a9
809#define CHIP_NUM_57810			0x168e
810#define CHIP_NUM_57810_MF		0x16ae
811#define CHIP_NUM_57810_VF		0x16af
812#define CHIP_NUM_57811			0x163d
813#define CHIP_NUM_57811_MF		0x163e
814#define CHIP_NUM_57811_VF		0x163f
815#define CHIP_NUM_57840_OBSOLETE		0x168d
816#define CHIP_NUM_57840_MF_OBSOLETE	0x16ab
817#define CHIP_NUM_57840_4_10		0x16a1
818#define CHIP_NUM_57840_2_20		0x16a2
819#define CHIP_NUM_57840_MF		0x16a4
820#define CHIP_NUM_57840_VF		0x16ad
821#define CHIP_IS_E1(bp)			(CHIP_NUM(bp) == CHIP_NUM_57710)
822#define CHIP_IS_57711(bp)		(CHIP_NUM(bp) == CHIP_NUM_57711)
823#define CHIP_IS_57711E(bp)		(CHIP_NUM(bp) == CHIP_NUM_57711E)
824#define CHIP_IS_57712(bp)		(CHIP_NUM(bp) == CHIP_NUM_57712)
825#define CHIP_IS_57712_VF(bp)		(CHIP_NUM(bp) == CHIP_NUM_57712_VF)
826#define CHIP_IS_57712_MF(bp)		(CHIP_NUM(bp) == CHIP_NUM_57712_MF)
827#define CHIP_IS_57800(bp)		(CHIP_NUM(bp) == CHIP_NUM_57800)
828#define CHIP_IS_57800_MF(bp)		(CHIP_NUM(bp) == CHIP_NUM_57800_MF)
829#define CHIP_IS_57800_VF(bp)		(CHIP_NUM(bp) == CHIP_NUM_57800_VF)
830#define CHIP_IS_57810(bp)		(CHIP_NUM(bp) == CHIP_NUM_57810)
831#define CHIP_IS_57810_MF(bp)		(CHIP_NUM(bp) == CHIP_NUM_57810_MF)
832#define CHIP_IS_57810_VF(bp)		(CHIP_NUM(bp) == CHIP_NUM_57810_VF)
833#define CHIP_IS_57811(bp)		(CHIP_NUM(bp) == CHIP_NUM_57811)
834#define CHIP_IS_57811_MF(bp)		(CHIP_NUM(bp) == CHIP_NUM_57811_MF)
835#define CHIP_IS_57811_VF(bp)		(CHIP_NUM(bp) == CHIP_NUM_57811_VF)
836#define CHIP_IS_57840(bp)		\
837		((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) || \
838		 (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) || \
839		 (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE))
840#define CHIP_IS_57840_MF(bp)	((CHIP_NUM(bp) == CHIP_NUM_57840_MF) || \
841				 (CHIP_NUM(bp) == CHIP_NUM_57840_MF_OBSOLETE))
842#define CHIP_IS_57840_VF(bp)		(CHIP_NUM(bp) == CHIP_NUM_57840_VF)
843#define CHIP_IS_E1H(bp)			(CHIP_IS_57711(bp) || \
844					 CHIP_IS_57711E(bp))
845#define CHIP_IS_E2(bp)			(CHIP_IS_57712(bp) || \
846					 CHIP_IS_57712_MF(bp))
847#define CHIP_IS_E3(bp)			(CHIP_IS_57800(bp) || \
848					 CHIP_IS_57800_MF(bp) || \
849					 CHIP_IS_57810(bp) || \
850					 CHIP_IS_57810_MF(bp) || \
851					 CHIP_IS_57810_VF(bp) || \
852					 CHIP_IS_57811(bp) || \
853					 CHIP_IS_57811_MF(bp) || \
854					 CHIP_IS_57811_VF(bp) || \
855					 CHIP_IS_57840(bp) || \
856					 CHIP_IS_57840_MF(bp) || \
857					 CHIP_IS_57840_VF(bp))
858#define CHIP_IS_E1x(bp)			(CHIP_IS_E1((bp)) || CHIP_IS_E1H((bp)))
859#define USES_WARPCORE(bp)		(CHIP_IS_E3(bp))
860#define IS_E1H_OFFSET			(!CHIP_IS_E1(bp))
861
862#define CHIP_REV_SHIFT			12
863#define CHIP_REV_MASK			(0xF << CHIP_REV_SHIFT)
864#define CHIP_REV_VAL(bp)		(bp->common.chip_id & CHIP_REV_MASK)
865#define CHIP_REV_Ax			(0x0 << CHIP_REV_SHIFT)
866#define CHIP_REV_Bx			(0x1 << CHIP_REV_SHIFT)
867/* assume maximum 5 revisions */
868#define CHIP_REV_IS_SLOW(bp)		(CHIP_REV_VAL(bp) > 0x00005000)
869/* Emul versions are A=>0xe, B=>0xc, C=>0xa, D=>8, E=>6 */
870#define CHIP_REV_IS_EMUL(bp)		((CHIP_REV_IS_SLOW(bp)) && \
871					 !(CHIP_REV_VAL(bp) & 0x00001000))
872/* FPGA versions are A=>0xf, B=>0xd, C=>0xb, D=>9, E=>7 */
873#define CHIP_REV_IS_FPGA(bp)		((CHIP_REV_IS_SLOW(bp)) && \
874					 (CHIP_REV_VAL(bp) & 0x00001000))
875
876#define CHIP_TIME(bp)			((CHIP_REV_IS_EMUL(bp)) ? 2000 : \
877					((CHIP_REV_IS_FPGA(bp)) ? 200 : 1))
878
879#define CHIP_METAL(bp)			(bp->common.chip_id & 0x00000ff0)
880#define CHIP_BOND_ID(bp)		(bp->common.chip_id & 0x0000000f)
881#define CHIP_REV_SIM(bp)		(((CHIP_REV_MASK - CHIP_REV_VAL(bp)) >>\
882					   (CHIP_REV_SHIFT + 1)) \
883						<< CHIP_REV_SHIFT)
884#define CHIP_REV(bp)			(CHIP_REV_IS_SLOW(bp) ? \
885						CHIP_REV_SIM(bp) :\
886						CHIP_REV_VAL(bp))
887#define CHIP_IS_E3B0(bp)		(CHIP_IS_E3(bp) && \
888					 (CHIP_REV(bp) == CHIP_REV_Bx))
889#define CHIP_IS_E3A0(bp)		(CHIP_IS_E3(bp) && \
890					 (CHIP_REV(bp) == CHIP_REV_Ax))
891/* This define is used in two main places:
892 * 1. In the early stages of nic_load, to know if to configrue Parser / Searcher
893 * to nic-only mode or to offload mode. Offload mode is configured if either the
894 * chip is E1x (where MIC_MODE register is not applicable), or if cnic already
895 * registered for this port (which means that the user wants storage services).
896 * 2. During cnic-related load, to know if offload mode is already configured in
897 * the HW or needs to be configrued.
898 * Since the transition from nic-mode to offload-mode in HW causes traffic
899 * coruption, nic-mode is configured only in ports on which storage services
900 * where never requested.
901 */
902#define CONFIGURE_NIC_MODE(bp)		(!CHIP_IS_E1x(bp) && !CNIC_ENABLED(bp))
903
904	int			flash_size;
905#define BNX2X_NVRAM_1MB_SIZE			0x20000	/* 1M bit in bytes */
906#define BNX2X_NVRAM_TIMEOUT_COUNT		30000
907#define BNX2X_NVRAM_PAGE_SIZE			256
908
909	u32			shmem_base;
910	u32			shmem2_base;
911	u32			mf_cfg_base;
912	u32			mf2_cfg_base;
913
914	u32			hw_config;
915
916	u32			bc_ver;
917
918	u8			int_block;
919#define INT_BLOCK_HC			0
920#define INT_BLOCK_IGU			1
921#define INT_BLOCK_MODE_NORMAL		0
922#define INT_BLOCK_MODE_BW_COMP		2
923#define CHIP_INT_MODE_IS_NBC(bp)		\
924			(!CHIP_IS_E1x(bp) &&	\
925			!((bp)->common.int_block & INT_BLOCK_MODE_BW_COMP))
926#define CHIP_INT_MODE_IS_BC(bp) (!CHIP_INT_MODE_IS_NBC(bp))
927
928	u8			chip_port_mode;
929#define CHIP_4_PORT_MODE			0x0
930#define CHIP_2_PORT_MODE			0x1
931#define CHIP_PORT_MODE_NONE			0x2
932#define CHIP_MODE(bp)			(bp->common.chip_port_mode)
933#define CHIP_MODE_IS_4_PORT(bp) (CHIP_MODE(bp) == CHIP_4_PORT_MODE)
934
935	u32			boot_mode;
936};
937
938/* IGU MSIX STATISTICS on 57712: 64 for VFs; 4 for PFs; 4 for Attentions */
939#define BNX2X_IGU_STAS_MSG_VF_CNT 64
940#define BNX2X_IGU_STAS_MSG_PF_CNT 4
941
942#define MAX_IGU_ATTN_ACK_TO       100
943/* end of common */
944
945/* port */
946
947struct bnx2x_port {
948	u32			pmf;
949
950	u32			link_config[LINK_CONFIG_SIZE];
951
952	u32			supported[LINK_CONFIG_SIZE];
953/* link settings - missing defines */
954#define SUPPORTED_2500baseX_Full	(1 << 15)
955
956	u32			advertising[LINK_CONFIG_SIZE];
957/* link settings - missing defines */
958#define ADVERTISED_2500baseX_Full	(1 << 15)
959
960	u32			phy_addr;
961
962	/* used to synchronize phy accesses */
963	struct mutex		phy_mutex;
964
965	u32			port_stx;
966
967	struct nig_stats	old_nig_stats;
968};
969
970/* end of port */
971
972#define STATS_OFFSET32(stat_name) \
973			(offsetof(struct bnx2x_eth_stats, stat_name) / 4)
974
975/* slow path */
976
977/* slow path work-queue */
978extern struct workqueue_struct *bnx2x_wq;
979
980#define BNX2X_MAX_NUM_OF_VFS	64
981#define BNX2X_VF_CID_WND	0
982#define BNX2X_CIDS_PER_VF	(1 << BNX2X_VF_CID_WND)
983#define BNX2X_CLIENTS_PER_VF	1
984#define BNX2X_FIRST_VF_CID	256
985#define BNX2X_VF_CIDS		(BNX2X_MAX_NUM_OF_VFS * BNX2X_CIDS_PER_VF)
986#define BNX2X_VF_ID_INVALID	0xFF
987
988/*
989 * The total number of L2 queues, MSIX vectors and HW contexts (CIDs) is
990 * control by the number of fast-path status blocks supported by the
991 * device (HW/FW). Each fast-path status block (FP-SB) aka non-default
992 * status block represents an independent interrupts context that can
993 * serve a regular L2 networking queue. However special L2 queues such
994 * as the FCoE queue do not require a FP-SB and other components like
995 * the CNIC may consume FP-SB reducing the number of possible L2 queues
996 *
997 * If the maximum number of FP-SB available is X then:
998 * a. If CNIC is supported it consumes 1 FP-SB thus the max number of
999 *    regular L2 queues is Y=X-1
1000 * b. in MF mode the actual number of L2 queues is Y= (X-1/MF_factor)
1001 * c. If the FCoE L2 queue is supported the actual number of L2 queues
1002 *    is Y+1
1003 * d. The number of irqs (MSIX vectors) is either Y+1 (one extra for
1004 *    slow-path interrupts) or Y+2 if CNIC is supported (one additional
1005 *    FP interrupt context for the CNIC).
1006 * e. The number of HW context (CID count) is always X or X+1 if FCoE
1007 *    L2 queue is supported. the cid for the FCoE L2 queue is always X.
1008 */
1009
1010/* fast-path interrupt contexts E1x */
1011#define FP_SB_MAX_E1x		16
1012/* fast-path interrupt contexts E2 */
1013#define FP_SB_MAX_E2		HC_SB_MAX_SB_E2
1014
1015union cdu_context {
1016	struct eth_context eth;
1017	char pad[1024];
1018};
1019
1020/* CDU host DB constants */
1021#define CDU_ILT_PAGE_SZ_HW	2
1022#define CDU_ILT_PAGE_SZ		(8192 << CDU_ILT_PAGE_SZ_HW) /* 32K */
1023#define ILT_PAGE_CIDS		(CDU_ILT_PAGE_SZ / sizeof(union cdu_context))
1024
1025#define CNIC_ISCSI_CID_MAX	256
1026#define CNIC_FCOE_CID_MAX	2048
1027#define CNIC_CID_MAX		(CNIC_ISCSI_CID_MAX + CNIC_FCOE_CID_MAX)
1028#define CNIC_ILT_LINES		DIV_ROUND_UP(CNIC_CID_MAX, ILT_PAGE_CIDS)
1029
1030#define QM_ILT_PAGE_SZ_HW	0
1031#define QM_ILT_PAGE_SZ		(4096 << QM_ILT_PAGE_SZ_HW) /* 4K */
1032#define QM_CID_ROUND		1024
1033
1034/* TM (timers) host DB constants */
1035#define TM_ILT_PAGE_SZ_HW	0
1036#define TM_ILT_PAGE_SZ		(4096 << TM_ILT_PAGE_SZ_HW) /* 4K */
1037/* #define TM_CONN_NUM		(CNIC_STARTING_CID+CNIC_ISCSI_CXT_MAX) */
1038#define TM_CONN_NUM		1024
1039#define TM_ILT_SZ		(8 * TM_CONN_NUM)
1040#define TM_ILT_LINES		DIV_ROUND_UP(TM_ILT_SZ, TM_ILT_PAGE_SZ)
1041
1042/* SRC (Searcher) host DB constants */
1043#define SRC_ILT_PAGE_SZ_HW	0
1044#define SRC_ILT_PAGE_SZ		(4096 << SRC_ILT_PAGE_SZ_HW) /* 4K */
1045#define SRC_HASH_BITS		10
1046#define SRC_CONN_NUM		(1 << SRC_HASH_BITS) /* 1024 */
1047#define SRC_ILT_SZ		(sizeof(struct src_ent) * SRC_CONN_NUM)
1048#define SRC_T2_SZ		SRC_ILT_SZ
1049#define SRC_ILT_LINES		DIV_ROUND_UP(SRC_ILT_SZ, SRC_ILT_PAGE_SZ)
1050
1051#define MAX_DMAE_C		8
1052
1053/* DMA memory not used in fastpath */
1054struct bnx2x_slowpath {
1055	union {
1056		struct mac_configuration_cmd		e1x;
1057		struct eth_classify_rules_ramrod_data	e2;
1058	} mac_rdata;
1059
1060
1061	union {
1062		struct tstorm_eth_mac_filter_config	e1x;
1063		struct eth_filter_rules_ramrod_data	e2;
1064	} rx_mode_rdata;
1065
1066	union {
1067		struct mac_configuration_cmd		e1;
1068		struct eth_multicast_rules_ramrod_data  e2;
1069	} mcast_rdata;
1070
1071	struct eth_rss_update_ramrod_data	rss_rdata;
1072
1073	/* Queue State related ramrods are always sent under rtnl_lock */
1074	union {
1075		struct client_init_ramrod_data  init_data;
1076		struct client_update_ramrod_data update_data;
1077	} q_rdata;
1078
1079	union {
1080		struct function_start_data	func_start;
1081		/* pfc configuration for DCBX ramrod */
1082		struct flow_control_configuration pfc_config;
1083	} func_rdata;
1084
1085	/* afex ramrod can not be a part of func_rdata union because these
1086	 * events might arrive in parallel to other events from func_rdata.
1087	 * Therefore, if they would have been defined in the same union,
1088	 * data can get corrupted.
1089	 */
1090	struct afex_vif_list_ramrod_data func_afex_rdata;
1091
1092	/* used by dmae command executer */
1093	struct dmae_command		dmae[MAX_DMAE_C];
1094
1095	u32				stats_comp;
1096	union mac_stats			mac_stats;
1097	struct nig_stats		nig_stats;
1098	struct host_port_stats		port_stats;
1099	struct host_func_stats		func_stats;
1100
1101	u32				wb_comp;
1102	u32				wb_data[4];
1103
1104	union drv_info_to_mcp		drv_info_to_mcp;
1105};
1106
1107#define bnx2x_sp(bp, var)		(&bp->slowpath->var)
1108#define bnx2x_sp_mapping(bp, var) \
1109		(bp->slowpath_mapping + offsetof(struct bnx2x_slowpath, var))
1110
1111
1112/* attn group wiring */
1113#define MAX_DYNAMIC_ATTN_GRPS		8
1114
1115struct attn_route {
1116	u32 sig[5];
1117};
1118
1119struct iro {
1120	u32 base;
1121	u16 m1;
1122	u16 m2;
1123	u16 m3;
1124	u16 size;
1125};
1126
1127struct hw_context {
1128	union cdu_context *vcxt;
1129	dma_addr_t cxt_mapping;
1130	size_t size;
1131};
1132
1133/* forward */
1134struct bnx2x_ilt;
1135
1136struct bnx2x_vfdb;
1137
1138enum bnx2x_recovery_state {
1139	BNX2X_RECOVERY_DONE,
1140	BNX2X_RECOVERY_INIT,
1141	BNX2X_RECOVERY_WAIT,
1142	BNX2X_RECOVERY_FAILED,
1143	BNX2X_RECOVERY_NIC_LOADING
1144};
1145
1146/*
1147 * Event queue (EQ or event ring) MC hsi
1148 * NUM_EQ_PAGES and EQ_DESC_CNT_PAGE must be power of 2
1149 */
1150#define NUM_EQ_PAGES		1
1151#define EQ_DESC_CNT_PAGE	(BCM_PAGE_SIZE / sizeof(union event_ring_elem))
1152#define EQ_DESC_MAX_PAGE	(EQ_DESC_CNT_PAGE - 1)
1153#define NUM_EQ_DESC		(EQ_DESC_CNT_PAGE * NUM_EQ_PAGES)
1154#define EQ_DESC_MASK		(NUM_EQ_DESC - 1)
1155#define MAX_EQ_AVAIL		(EQ_DESC_MAX_PAGE * NUM_EQ_PAGES - 2)
1156
1157/* depends on EQ_DESC_CNT_PAGE being a power of 2 */
1158#define NEXT_EQ_IDX(x)		((((x) & EQ_DESC_MAX_PAGE) == \
1159				  (EQ_DESC_MAX_PAGE - 1)) ? (x) + 2 : (x) + 1)
1160
1161/* depends on the above and on NUM_EQ_PAGES being a power of 2 */
1162#define EQ_DESC(x)		((x) & EQ_DESC_MASK)
1163
1164#define BNX2X_EQ_INDEX \
1165	(&bp->def_status_blk->sp_sb.\
1166	index_values[HC_SP_INDEX_EQ_CONS])
1167
1168/* This is a data that will be used to create a link report message.
1169 * We will keep the data used for the last link report in order
1170 * to prevent reporting the same link parameters twice.
1171 */
1172struct bnx2x_link_report_data {
1173	u16 line_speed;			/* Effective line speed */
1174	unsigned long link_report_flags;/* BNX2X_LINK_REPORT_XXX flags */
1175};
1176
1177enum {
1178	BNX2X_LINK_REPORT_FD,		/* Full DUPLEX */
1179	BNX2X_LINK_REPORT_LINK_DOWN,
1180	BNX2X_LINK_REPORT_RX_FC_ON,
1181	BNX2X_LINK_REPORT_TX_FC_ON,
1182};
1183
1184enum {
1185	BNX2X_PORT_QUERY_IDX,
1186	BNX2X_PF_QUERY_IDX,
1187	BNX2X_FCOE_QUERY_IDX,
1188	BNX2X_FIRST_QUEUE_QUERY_IDX,
1189};
1190
1191struct bnx2x_fw_stats_req {
1192	struct stats_query_header hdr;
1193	struct stats_query_entry query[FP_SB_MAX_E1x+
1194		BNX2X_FIRST_QUEUE_QUERY_IDX];
1195};
1196
1197struct bnx2x_fw_stats_data {
1198	struct stats_counter		storm_counters;
1199	struct per_port_stats		port;
1200	struct per_pf_stats		pf;
1201	struct fcoe_statistics_params	fcoe;
1202	struct per_queue_stats		queue_stats[1];
1203};
1204
1205/* Public slow path states */
1206enum {
1207	BNX2X_SP_RTNL_SETUP_TC,
1208	BNX2X_SP_RTNL_TX_TIMEOUT,
1209	BNX2X_SP_RTNL_FAN_FAILURE,
1210	BNX2X_SP_RTNL_AFEX_F_UPDATE,
1211	BNX2X_SP_RTNL_ENABLE_SRIOV,
1212	BNX2X_SP_RTNL_VFPF_MCAST,
1213	BNX2X_SP_RTNL_VFPF_STORM_RX_MODE,
1214};
1215
1216
1217struct bnx2x_prev_path_list {
1218	u8 bus;
1219	u8 slot;
1220	u8 path;
1221	struct list_head list;
1222	u8 undi;
1223};
1224
1225struct bnx2x_sp_objs {
1226	/* MACs object */
1227	struct bnx2x_vlan_mac_obj mac_obj;
1228
1229	/* Queue State object */
1230	struct bnx2x_queue_sp_obj q_obj;
1231};
1232
1233struct bnx2x_fp_stats {
1234	struct tstorm_per_queue_stats old_tclient;
1235	struct ustorm_per_queue_stats old_uclient;
1236	struct xstorm_per_queue_stats old_xclient;
1237	struct bnx2x_eth_q_stats eth_q_stats;
1238	struct bnx2x_eth_q_stats_old eth_q_stats_old;
1239};
1240
1241struct bnx2x {
1242	/* Fields used in the tx and intr/napi performance paths
1243	 * are grouped together in the beginning of the structure
1244	 */
1245	struct bnx2x_fastpath	*fp;
1246	struct bnx2x_sp_objs	*sp_objs;
1247	struct bnx2x_fp_stats	*fp_stats;
1248	struct bnx2x_fp_txdata	*bnx2x_txq;
1249	void __iomem		*regview;
1250	void __iomem		*doorbells;
1251	u16			db_size;
1252
1253	u8			pf_num;	/* absolute PF number */
1254	u8			pfid;	/* per-path PF number */
1255	int			base_fw_ndsb; /**/
1256#define BP_PATH(bp)			(CHIP_IS_E1x(bp) ? 0 : (bp->pf_num & 1))
1257#define BP_PORT(bp)			(bp->pfid & 1)
1258#define BP_FUNC(bp)			(bp->pfid)
1259#define BP_ABS_FUNC(bp)			(bp->pf_num)
1260#define BP_VN(bp)			((bp)->pfid >> 1)
1261#define BP_MAX_VN_NUM(bp)		(CHIP_MODE_IS_4_PORT(bp) ? 2 : 4)
1262#define BP_L_ID(bp)			(BP_VN(bp) << 2)
1263#define BP_FW_MB_IDX_VN(bp, vn)		(BP_PORT(bp) +\
1264	  (vn) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2  : 1))
1265#define BP_FW_MB_IDX(bp)		BP_FW_MB_IDX_VN(bp, BP_VN(bp))
1266
1267#ifdef CONFIG_BNX2X_SRIOV
1268	/* vf pf channel mailbox contains request and response buffers */
1269	struct bnx2x_vf_mbx_msg	*vf2pf_mbox;
1270	dma_addr_t		vf2pf_mbox_mapping;
1271
1272	/* we set aside a copy of the acquire response */
1273	struct pfvf_acquire_resp_tlv acquire_resp;
1274
1275	/* bulletin board for messages from pf to vf */
1276	union pf_vf_bulletin   *pf2vf_bulletin;
1277	dma_addr_t		pf2vf_bulletin_mapping;
1278
1279	struct pf_vf_bulletin_content	old_bulletin;
1280#endif /* CONFIG_BNX2X_SRIOV */
1281
1282	struct net_device	*dev;
1283	struct pci_dev		*pdev;
1284
1285	const struct iro	*iro_arr;
1286#define IRO (bp->iro_arr)
1287
1288	enum bnx2x_recovery_state recovery_state;
1289	int			is_leader;
1290	struct msix_entry	*msix_table;
1291
1292	int			tx_ring_size;
1293
1294/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
1295#define ETH_OVREHEAD		(ETH_HLEN + 8 + 8)
1296#define ETH_MIN_PACKET_SIZE		60
1297#define ETH_MAX_PACKET_SIZE		1500
1298#define ETH_MAX_JUMBO_PACKET_SIZE	9600
1299/* TCP with Timestamp Option (32) + IPv6 (40) */
1300#define ETH_MAX_TPA_HEADER_SIZE		72
1301
1302	/* Max supported alignment is 256 (8 shift) */
1303#define BNX2X_RX_ALIGN_SHIFT		min(8, L1_CACHE_SHIFT)
1304
1305	/* FW uses 2 Cache lines Alignment for start packet and size
1306	 *
1307	 * We assume skb_build() uses sizeof(struct skb_shared_info) bytes
1308	 * at the end of skb->data, to avoid wasting a full cache line.
1309	 * This reduces memory use (skb->truesize).
1310	 */
1311#define BNX2X_FW_RX_ALIGN_START	(1UL << BNX2X_RX_ALIGN_SHIFT)
1312
1313#define BNX2X_FW_RX_ALIGN_END					\
1314	max_t(u64, 1UL << BNX2X_RX_ALIGN_SHIFT,			\
1315	    SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
1316
1317#define BNX2X_PXP_DRAM_ALIGN		(BNX2X_RX_ALIGN_SHIFT - 5)
1318
1319	struct host_sp_status_block *def_status_blk;
1320#define DEF_SB_IGU_ID			16
1321#define DEF_SB_ID			HC_SP_SB_ID
1322	__le16			def_idx;
1323	__le16			def_att_idx;
1324	u32			attn_state;
1325	struct attn_route	attn_group[MAX_DYNAMIC_ATTN_GRPS];
1326
1327	/* slow path ring */
1328	struct eth_spe		*spq;
1329	dma_addr_t		spq_mapping;
1330	u16			spq_prod_idx;
1331	struct eth_spe		*spq_prod_bd;
1332	struct eth_spe		*spq_last_bd;
1333	__le16			*dsb_sp_prod;
1334	atomic_t		cq_spq_left; /* ETH_XXX ramrods credit */
1335	/* used to synchronize spq accesses */
1336	spinlock_t		spq_lock;
1337
1338	/* event queue */
1339	union event_ring_elem	*eq_ring;
1340	dma_addr_t		eq_mapping;
1341	u16			eq_prod;
1342	u16			eq_cons;
1343	__le16			*eq_cons_sb;
1344	atomic_t		eq_spq_left; /* COMMON_XXX ramrods credit */
1345
1346	/* Counter for marking that there is a STAT_QUERY ramrod pending */
1347	u16			stats_pending;
1348	/*  Counter for completed statistics ramrods */
1349	u16			stats_comp;
1350
1351	/* End of fields used in the performance code paths */
1352
1353	int			panic;
1354	int			msg_enable;
1355
1356	u32			flags;
1357#define PCIX_FLAG			(1 << 0)
1358#define PCI_32BIT_FLAG			(1 << 1)
1359#define ONE_PORT_FLAG			(1 << 2)
1360#define NO_WOL_FLAG			(1 << 3)
1361#define USING_DAC_FLAG			(1 << 4)
1362#define USING_MSIX_FLAG			(1 << 5)
1363#define USING_MSI_FLAG			(1 << 6)
1364#define DISABLE_MSI_FLAG		(1 << 7)
1365#define TPA_ENABLE_FLAG			(1 << 8)
1366#define NO_MCP_FLAG			(1 << 9)
1367#define GRO_ENABLE_FLAG			(1 << 10)
1368#define MF_FUNC_DIS			(1 << 11)
1369#define OWN_CNIC_IRQ			(1 << 12)
1370#define NO_ISCSI_OOO_FLAG		(1 << 13)
1371#define NO_ISCSI_FLAG			(1 << 14)
1372#define NO_FCOE_FLAG			(1 << 15)
1373#define BC_SUPPORTS_PFC_STATS		(1 << 17)
1374#define BC_SUPPORTS_FCOE_FEATURES	(1 << 19)
1375#define USING_SINGLE_MSIX_FLAG		(1 << 20)
1376#define BC_SUPPORTS_DCBX_MSG_NON_PMF	(1 << 21)
1377#define IS_VF_FLAG			(1 << 22)
1378
1379#define BP_NOMCP(bp)			((bp)->flags & NO_MCP_FLAG)
1380
1381#ifdef CONFIG_BNX2X_SRIOV
1382#define IS_VF(bp)			((bp)->flags & IS_VF_FLAG)
1383#define IS_PF(bp)			(!((bp)->flags & IS_VF_FLAG))
1384#else
1385#define IS_VF(bp)			false
1386#define IS_PF(bp)			true
1387#endif
1388
1389#define NO_ISCSI(bp)		((bp)->flags & NO_ISCSI_FLAG)
1390#define NO_ISCSI_OOO(bp)	((bp)->flags & NO_ISCSI_OOO_FLAG)
1391#define NO_FCOE(bp)		((bp)->flags & NO_FCOE_FLAG)
1392
1393	u8			cnic_support;
1394	bool			cnic_enabled;
1395	bool			cnic_loaded;
1396	struct cnic_eth_dev	*(*cnic_probe)(struct net_device *);
1397
1398	/* Flag that indicates that we can start looking for FCoE L2 queue
1399	 * completions in the default status block.
1400	 */
1401	bool			fcoe_init;
1402
1403	int			pm_cap;
1404	int			mrrs;
1405
1406	struct delayed_work	sp_task;
1407	atomic_t		interrupt_occurred;
1408	struct delayed_work	sp_rtnl_task;
1409
1410	struct delayed_work	period_task;
1411	struct timer_list	timer;
1412	int			current_interval;
1413
1414	u16			fw_seq;
1415	u16			fw_drv_pulse_wr_seq;
1416	u32			func_stx;
1417
1418	struct link_params	link_params;
1419	struct link_vars	link_vars;
1420	u32			link_cnt;
1421	struct bnx2x_link_report_data last_reported_link;
1422
1423	struct mdio_if_info	mdio;
1424
1425	struct bnx2x_common	common;
1426	struct bnx2x_port	port;
1427
1428	struct cmng_init	cmng;
1429
1430	u32			mf_config[E1HVN_MAX];
1431	u32			mf_ext_config;
1432	u32			path_has_ovlan; /* E3 */
1433	u16			mf_ov;
1434	u8			mf_mode;
1435#define IS_MF(bp)		(bp->mf_mode != 0)
1436#define IS_MF_SI(bp)		(bp->mf_mode == MULTI_FUNCTION_SI)
1437#define IS_MF_SD(bp)		(bp->mf_mode == MULTI_FUNCTION_SD)
1438#define IS_MF_AFEX(bp)		(bp->mf_mode == MULTI_FUNCTION_AFEX)
1439
1440	u8			wol;
1441
1442	int			rx_ring_size;
1443
1444	u16			tx_quick_cons_trip_int;
1445	u16			tx_quick_cons_trip;
1446	u16			tx_ticks_int;
1447	u16			tx_ticks;
1448
1449	u16			rx_quick_cons_trip_int;
1450	u16			rx_quick_cons_trip;
1451	u16			rx_ticks_int;
1452	u16			rx_ticks;
1453/* Maximal coalescing timeout in us */
1454#define BNX2X_MAX_COALESCE_TOUT		(0xf0*12)
1455
1456	u32			lin_cnt;
1457
1458	u16			state;
1459#define BNX2X_STATE_CLOSED		0
1460#define BNX2X_STATE_OPENING_WAIT4_LOAD	0x1000
1461#define BNX2X_STATE_OPENING_WAIT4_PORT	0x2000
1462#define BNX2X_STATE_OPEN		0x3000
1463#define BNX2X_STATE_CLOSING_WAIT4_HALT	0x4000
1464#define BNX2X_STATE_CLOSING_WAIT4_DELETE 0x5000
1465
1466#define BNX2X_STATE_DIAG		0xe000
1467#define BNX2X_STATE_ERROR		0xf000
1468
1469#define BNX2X_MAX_PRIORITY		8
1470#define BNX2X_MAX_ENTRIES_PER_PRI	16
1471#define BNX2X_MAX_COS			3
1472#define BNX2X_MAX_TX_COS		2
1473	int			num_queues;
1474	uint			num_ethernet_queues;
1475	uint			num_cnic_queues;
1476	int			num_napi_queues;
1477	int			disable_tpa;
1478
1479	u32			rx_mode;
1480#define BNX2X_RX_MODE_NONE		0
1481#define BNX2X_RX_MODE_NORMAL		1
1482#define BNX2X_RX_MODE_ALLMULTI		2
1483#define BNX2X_RX_MODE_PROMISC		3
1484#define BNX2X_MAX_MULTICAST		64
1485
1486	u8			igu_dsb_id;
1487	u8			igu_base_sb;
1488	u8			igu_sb_cnt;
1489	u8			min_msix_vec_cnt;
1490
1491	u32			igu_base_addr;
1492	dma_addr_t		def_status_blk_mapping;
1493
1494	struct bnx2x_slowpath	*slowpath;
1495	dma_addr_t		slowpath_mapping;
1496
1497	/* Total number of FW statistics requests */
1498	u8			fw_stats_num;
1499
1500	/*
1501	 * This is a memory buffer that will contain both statistics
1502	 * ramrod request and data.
1503	 */
1504	void			*fw_stats;
1505	dma_addr_t		fw_stats_mapping;
1506
1507	/*
1508	 * FW statistics request shortcut (points at the
1509	 * beginning of fw_stats buffer).
1510	 */
1511	struct bnx2x_fw_stats_req	*fw_stats_req;
1512	dma_addr_t			fw_stats_req_mapping;
1513	int				fw_stats_req_sz;
1514
1515	/*
1516	 * FW statistics data shortcut (points at the beginning of
1517	 * fw_stats buffer + fw_stats_req_sz).
1518	 */
1519	struct bnx2x_fw_stats_data	*fw_stats_data;
1520	dma_addr_t			fw_stats_data_mapping;
1521	int				fw_stats_data_sz;
1522
1523	/* For max 196 cids (64*3 + non-eth), 32KB ILT page size and 1KB
1524	 * context size we need 8 ILT entries.
1525	 */
1526#define ILT_MAX_L2_LINES	8
1527	struct hw_context	context[ILT_MAX_L2_LINES];
1528
1529	struct bnx2x_ilt	*ilt;
1530#define BP_ILT(bp)		((bp)->ilt)
1531#define ILT_MAX_LINES		256
1532/*
1533 * Maximum supported number of RSS queues: number of IGU SBs minus one that goes
1534 * to CNIC.
1535 */
1536#define BNX2X_MAX_RSS_COUNT(bp)	((bp)->igu_sb_cnt - CNIC_SUPPORT(bp))
1537
1538/*
1539 * Maximum CID count that might be required by the bnx2x:
1540 * Max RSS * Max_Tx_Multi_Cos + FCoE + iSCSI
1541 */
1542#define BNX2X_L2_CID_COUNT(bp)	(BNX2X_NUM_ETH_QUEUES(bp) * BNX2X_MULTI_TX_COS \
1543				+ 2 * CNIC_SUPPORT(bp))
1544#define BNX2X_L2_MAX_CID(bp)	(BNX2X_MAX_RSS_COUNT(bp) * BNX2X_MULTI_TX_COS \
1545				+ 2 * CNIC_SUPPORT(bp))
1546#define L2_ILT_LINES(bp)	(DIV_ROUND_UP(BNX2X_L2_CID_COUNT(bp),\
1547					ILT_PAGE_CIDS))
1548
1549	int			qm_cid_count;
1550
1551	bool			dropless_fc;
1552
1553	void			*t2;
1554	dma_addr_t		t2_mapping;
1555	struct cnic_ops	__rcu	*cnic_ops;
1556	void			*cnic_data;
1557	u32			cnic_tag;
1558	struct cnic_eth_dev	cnic_eth_dev;
1559	union host_hc_status_block cnic_sb;
1560	dma_addr_t		cnic_sb_mapping;
1561	struct eth_spe		*cnic_kwq;
1562	struct eth_spe		*cnic_kwq_prod;
1563	struct eth_spe		*cnic_kwq_cons;
1564	struct eth_spe		*cnic_kwq_last;
1565	u16			cnic_kwq_pending;
1566	u16			cnic_spq_pending;
1567	u8			fip_mac[ETH_ALEN];
1568	struct mutex		cnic_mutex;
1569	struct bnx2x_vlan_mac_obj iscsi_l2_mac_obj;
1570
1571	/* Start index of the "special" (CNIC related) L2 cleints */
1572	u8				cnic_base_cl_id;
1573
1574	int			dmae_ready;
1575	/* used to synchronize dmae accesses */
1576	spinlock_t		dmae_lock;
1577
1578	/* used to protect the FW mail box */
1579	struct mutex		fw_mb_mutex;
1580
1581	/* used to synchronize stats collecting */
1582	int			stats_state;
1583
1584	/* used for synchronization of concurrent threads statistics handling */
1585	spinlock_t		stats_lock;
1586
1587	/* used by dmae command loader */
1588	struct dmae_command	stats_dmae;
1589	int			executer_idx;
1590
1591	u16			stats_counter;
1592	struct bnx2x_eth_stats	eth_stats;
1593	struct host_func_stats		func_stats;
1594	struct bnx2x_eth_stats_old	eth_stats_old;
1595	struct bnx2x_net_stats_old	net_stats_old;
1596	struct bnx2x_fw_port_stats_old	fw_stats_old;
1597	bool			stats_init;
1598
1599	struct z_stream_s	*strm;
1600	void			*gunzip_buf;
1601	dma_addr_t		gunzip_mapping;
1602	int			gunzip_outlen;
1603#define FW_BUF_SIZE			0x8000
1604#define GUNZIP_BUF(bp)			(bp->gunzip_buf)
1605#define GUNZIP_PHYS(bp)			(bp->gunzip_mapping)
1606#define GUNZIP_OUTLEN(bp)		(bp->gunzip_outlen)
1607
1608	struct raw_op		*init_ops;
1609	/* Init blocks offsets inside init_ops */
1610	u16			*init_ops_offsets;
1611	/* Data blob - has 32 bit granularity */
1612	u32			*init_data;
1613	u32			init_mode_flags;
1614#define INIT_MODE_FLAGS(bp)	(bp->init_mode_flags)
1615	/* Zipped PRAM blobs - raw data */
1616	const u8		*tsem_int_table_data;
1617	const u8		*tsem_pram_data;
1618	const u8		*usem_int_table_data;
1619	const u8		*usem_pram_data;
1620	const u8		*xsem_int_table_data;
1621	const u8		*xsem_pram_data;
1622	const u8		*csem_int_table_data;
1623	const u8		*csem_pram_data;
1624#define INIT_OPS(bp)			(bp->init_ops)
1625#define INIT_OPS_OFFSETS(bp)		(bp->init_ops_offsets)
1626#define INIT_DATA(bp)			(bp->init_data)
1627#define INIT_TSEM_INT_TABLE_DATA(bp)	(bp->tsem_int_table_data)
1628#define INIT_TSEM_PRAM_DATA(bp)		(bp->tsem_pram_data)
1629#define INIT_USEM_INT_TABLE_DATA(bp)	(bp->usem_int_table_data)
1630#define INIT_USEM_PRAM_DATA(bp)		(bp->usem_pram_data)
1631#define INIT_XSEM_INT_TABLE_DATA(bp)	(bp->xsem_int_table_data)
1632#define INIT_XSEM_PRAM_DATA(bp)		(bp->xsem_pram_data)
1633#define INIT_CSEM_INT_TABLE_DATA(bp)	(bp->csem_int_table_data)
1634#define INIT_CSEM_PRAM_DATA(bp)		(bp->csem_pram_data)
1635
1636#define PHY_FW_VER_LEN			20
1637	char			fw_ver[32];
1638	const struct firmware	*firmware;
1639
1640	struct bnx2x_vfdb	*vfdb;
1641#define IS_SRIOV(bp)		((bp)->vfdb)
1642
1643	/* DCB support on/off */
1644	u16 dcb_state;
1645#define BNX2X_DCB_STATE_OFF			0
1646#define BNX2X_DCB_STATE_ON			1
1647
1648	/* DCBX engine mode */
1649	int dcbx_enabled;
1650#define BNX2X_DCBX_ENABLED_OFF			0
1651#define BNX2X_DCBX_ENABLED_ON_NEG_OFF		1
1652#define BNX2X_DCBX_ENABLED_ON_NEG_ON		2
1653#define BNX2X_DCBX_ENABLED_INVALID		(-1)
1654
1655	bool dcbx_mode_uset;
1656
1657	struct bnx2x_config_dcbx_params		dcbx_config_params;
1658	struct bnx2x_dcbx_port_params		dcbx_port_params;
1659	int					dcb_version;
1660
1661	/* CAM credit pools */
1662
1663	/* used only in sriov */
1664	struct bnx2x_credit_pool_obj		vlans_pool;
1665
1666	struct bnx2x_credit_pool_obj		macs_pool;
1667
1668	/* RX_MODE object */
1669	struct bnx2x_rx_mode_obj		rx_mode_obj;
1670
1671	/* MCAST object */
1672	struct bnx2x_mcast_obj			mcast_obj;
1673
1674	/* RSS configuration object */
1675	struct bnx2x_rss_config_obj		rss_conf_obj;
1676
1677	/* Function State controlling object */
1678	struct bnx2x_func_sp_obj		func_obj;
1679
1680	unsigned long				sp_state;
1681
1682	/* operation indication for the sp_rtnl task */
1683	unsigned long				sp_rtnl_state;
1684
1685	/* DCBX Negotation results */
1686	struct dcbx_features			dcbx_local_feat;
1687	u32					dcbx_error;
1688
1689#ifdef BCM_DCBNL
1690	struct dcbx_features			dcbx_remote_feat;
1691	u32					dcbx_remote_flags;
1692#endif
1693	/* AFEX: store default vlan used */
1694	int					afex_def_vlan_tag;
1695	enum mf_cfg_afex_vlan_mode		afex_vlan_mode;
1696	u32					pending_max;
1697
1698	/* multiple tx classes of service */
1699	u8					max_cos;
1700
1701	/* priority to cos mapping */
1702	u8					prio_to_cos[8];
1703	u32 dump_preset_idx;
1704};
1705
1706/* Tx queues may be less or equal to Rx queues */
1707extern int num_queues;
1708#define BNX2X_NUM_QUEUES(bp)	(bp->num_queues)
1709#define BNX2X_NUM_ETH_QUEUES(bp) ((bp)->num_ethernet_queues)
1710#define BNX2X_NUM_NON_CNIC_QUEUES(bp)	(BNX2X_NUM_QUEUES(bp) - \
1711					 (bp)->num_cnic_queues)
1712#define BNX2X_NUM_RX_QUEUES(bp)	BNX2X_NUM_QUEUES(bp)
1713
1714#define is_multi(bp)		(BNX2X_NUM_QUEUES(bp) > 1)
1715
1716#define BNX2X_MAX_QUEUES(bp)	BNX2X_MAX_RSS_COUNT(bp)
1717/* #define is_eth_multi(bp)	(BNX2X_NUM_ETH_QUEUES(bp) > 1) */
1718
1719#define RSS_IPV4_CAP_MASK						\
1720	TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_CAPABILITY
1721
1722#define RSS_IPV4_TCP_CAP_MASK						\
1723	TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_TCP_CAPABILITY
1724
1725#define RSS_IPV6_CAP_MASK						\
1726	TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_CAPABILITY
1727
1728#define RSS_IPV6_TCP_CAP_MASK						\
1729	TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_TCP_CAPABILITY
1730
1731/* func init flags */
1732#define FUNC_FLG_RSS		0x0001
1733#define FUNC_FLG_STATS		0x0002
1734/* removed  FUNC_FLG_UNMATCHED	0x0004 */
1735#define FUNC_FLG_TPA		0x0008
1736#define FUNC_FLG_SPQ		0x0010
1737#define FUNC_FLG_LEADING	0x0020	/* PF only */
1738
1739
1740struct bnx2x_func_init_params {
1741	/* dma */
1742	dma_addr_t	fw_stat_map;	/* valid iff FUNC_FLG_STATS */
1743	dma_addr_t	spq_map;	/* valid iff FUNC_FLG_SPQ */
1744
1745	u16		func_flgs;
1746	u16		func_id;	/* abs fid */
1747	u16		pf_id;
1748	u16		spq_prod;	/* valid iff FUNC_FLG_SPQ */
1749};
1750
1751#define for_each_cnic_queue(bp, var) \
1752	for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1753	     (var)++) \
1754		if (skip_queue(bp, var))	\
1755			continue;		\
1756		else
1757
1758#define for_each_eth_queue(bp, var) \
1759	for ((var) = 0; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
1760
1761#define for_each_nondefault_eth_queue(bp, var) \
1762	for ((var) = 1; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
1763
1764#define for_each_queue(bp, var) \
1765	for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1766		if (skip_queue(bp, var))	\
1767			continue;		\
1768		else
1769
1770/* Skip forwarding FP */
1771#define for_each_valid_rx_queue(bp, var)			\
1772	for ((var) = 0;						\
1773	     (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) :	\
1774		      BNX2X_NUM_ETH_QUEUES(bp));		\
1775	     (var)++)						\
1776		if (skip_rx_queue(bp, var))			\
1777			continue;				\
1778		else
1779
1780#define for_each_rx_queue_cnic(bp, var) \
1781	for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1782	     (var)++) \
1783		if (skip_rx_queue(bp, var))	\
1784			continue;		\
1785		else
1786
1787#define for_each_rx_queue(bp, var) \
1788	for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1789		if (skip_rx_queue(bp, var))	\
1790			continue;		\
1791		else
1792
1793/* Skip OOO FP */
1794#define for_each_valid_tx_queue(bp, var)			\
1795	for ((var) = 0;						\
1796	     (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) :	\
1797		      BNX2X_NUM_ETH_QUEUES(bp));		\
1798	     (var)++)						\
1799		if (skip_tx_queue(bp, var))			\
1800			continue;				\
1801		else
1802
1803#define for_each_tx_queue_cnic(bp, var) \
1804	for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1805	     (var)++) \
1806		if (skip_tx_queue(bp, var))	\
1807			continue;		\
1808		else
1809
1810#define for_each_tx_queue(bp, var) \
1811	for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1812		if (skip_tx_queue(bp, var))	\
1813			continue;		\
1814		else
1815
1816#define for_each_nondefault_queue(bp, var) \
1817	for ((var) = 1; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1818		if (skip_queue(bp, var))	\
1819			continue;		\
1820		else
1821
1822#define for_each_cos_in_tx_queue(fp, var) \
1823	for ((var) = 0; (var) < (fp)->max_cos; (var)++)
1824
1825/* skip rx queue
1826 * if FCOE l2 support is disabled and this is the fcoe L2 queue
1827 */
1828#define skip_rx_queue(bp, idx)	(NO_FCOE(bp) && IS_FCOE_IDX(idx))
1829
1830/* skip tx queue
1831 * if FCOE l2 support is disabled and this is the fcoe L2 queue
1832 */
1833#define skip_tx_queue(bp, idx)	(NO_FCOE(bp) && IS_FCOE_IDX(idx))
1834
1835#define skip_queue(bp, idx)	(NO_FCOE(bp) && IS_FCOE_IDX(idx))
1836
1837
1838
1839
1840/**
1841 * bnx2x_set_mac_one - configure a single MAC address
1842 *
1843 * @bp:			driver handle
1844 * @mac:		MAC to configure
1845 * @obj:		MAC object handle
1846 * @set:		if 'true' add a new MAC, otherwise - delete
1847 * @mac_type:		the type of the MAC to configure (e.g. ETH, UC list)
1848 * @ramrod_flags:	RAMROD_XXX flags (e.g. RAMROD_CONT, RAMROD_COMP_WAIT)
1849 *
1850 * Configures one MAC according to provided parameters or continues the
1851 * execution of previously scheduled commands if RAMROD_CONT is set in
1852 * ramrod_flags.
1853 *
1854 * Returns zero if operation has successfully completed, a positive value if the
1855 * operation has been successfully scheduled and a negative - if a requested
1856 * operations has failed.
1857 */
1858int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
1859		      struct bnx2x_vlan_mac_obj *obj, bool set,
1860		      int mac_type, unsigned long *ramrod_flags);
1861/**
1862 * bnx2x_del_all_macs - delete all MACs configured for the specific MAC object
1863 *
1864 * @bp:			driver handle
1865 * @mac_obj:		MAC object handle
1866 * @mac_type:		type of the MACs to clear (BNX2X_XXX_MAC)
1867 * @wait_for_comp:	if 'true' block until completion
1868 *
1869 * Deletes all MACs of the specific type (e.g. ETH, UC list).
1870 *
1871 * Returns zero if operation has successfully completed, a positive value if the
1872 * operation has been successfully scheduled and a negative - if a requested
1873 * operations has failed.
1874 */
1875int bnx2x_del_all_macs(struct bnx2x *bp,
1876		       struct bnx2x_vlan_mac_obj *mac_obj,
1877		       int mac_type, bool wait_for_comp);
1878
1879/* Init Function API  */
1880void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p);
1881void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
1882		    u8 vf_valid, int fw_sb_id, int igu_sb_id);
1883u32 bnx2x_get_pretend_reg(struct bnx2x *bp);
1884int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port);
1885int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
1886int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode);
1887int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
1888void bnx2x_read_mf_cfg(struct bnx2x *bp);
1889
1890int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val);
1891
1892/* dmae */
1893void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32);
1894void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
1895		      u32 len32);
1896void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx);
1897u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type);
1898u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode);
1899u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
1900		      bool with_comp, u8 comp_type);
1901
1902void bnx2x_prep_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
1903			       u8 src_type, u8 dst_type);
1904int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae);
1905void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae, int msglvl);
1906
1907/* FLR related routines */
1908u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp);
1909void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count);
1910int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func, u32 poll_cnt);
1911u8 bnx2x_is_pcie_pending(struct pci_dev *dev);
1912int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1913				    char *msg, u32 poll_cnt);
1914
1915void bnx2x_calc_fc_adv(struct bnx2x *bp);
1916int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
1917		  u32 data_hi, u32 data_lo, int cmd_type);
1918void bnx2x_update_coalesce(struct bnx2x *bp);
1919int bnx2x_get_cur_phy_idx(struct bnx2x *bp);
1920
1921static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
1922			   int wait)
1923{
1924	u32 val;
1925
1926	do {
1927		val = REG_RD(bp, reg);
1928		if (val == expected)
1929			break;
1930		ms -= wait;
1931		msleep(wait);
1932
1933	} while (ms > 0);
1934
1935	return val;
1936}
1937
1938void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id,
1939			    bool is_pf);
1940
1941#define BNX2X_ILT_ZALLOC(x, y, size) \
1942	do { \
1943		x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
1944		if (x) \
1945			memset(x, 0, size); \
1946	} while (0)
1947
1948#define BNX2X_ILT_FREE(x, y, size) \
1949	do { \
1950		if (x) { \
1951			dma_free_coherent(&bp->pdev->dev, size, x, y); \
1952			x = NULL; \
1953			y = 0; \
1954		} \
1955	} while (0)
1956
1957#define ILOG2(x)	(ilog2((x)))
1958
1959#define ILT_NUM_PAGE_ENTRIES	(3072)
1960/* In 57710/11 we use whole table since we have 8 func
1961 * In 57712 we have only 4 func, but use same size per func, then only half of
1962 * the table in use
1963 */
1964#define ILT_PER_FUNC		(ILT_NUM_PAGE_ENTRIES/8)
1965
1966#define FUNC_ILT_BASE(func)	(func * ILT_PER_FUNC)
1967/*
1968 * the phys address is shifted right 12 bits and has an added
1969 * 1=valid bit added to the 53rd bit
1970 * then since this is a wide register(TM)
1971 * we split it into two 32 bit writes
1972 */
1973#define ONCHIP_ADDR1(x)		((u32)(((u64)x >> 12) & 0xFFFFFFFF))
1974#define ONCHIP_ADDR2(x)		((u32)((1 << 20) | ((u64)x >> 44)))
1975
1976/* load/unload mode */
1977#define LOAD_NORMAL			0
1978#define LOAD_OPEN			1
1979#define LOAD_DIAG			2
1980#define LOAD_LOOPBACK_EXT		3
1981#define UNLOAD_NORMAL			0
1982#define UNLOAD_CLOSE			1
1983#define UNLOAD_RECOVERY			2
1984
1985
1986/* DMAE command defines */
1987#define DMAE_TIMEOUT			-1
1988#define DMAE_PCI_ERROR			-2	/* E2 and onward */
1989#define DMAE_NOT_RDY			-3
1990#define DMAE_PCI_ERR_FLAG		0x80000000
1991
1992#define DMAE_SRC_PCI			0
1993#define DMAE_SRC_GRC			1
1994
1995#define DMAE_DST_NONE			0
1996#define DMAE_DST_PCI			1
1997#define DMAE_DST_GRC			2
1998
1999#define DMAE_COMP_PCI			0
2000#define DMAE_COMP_GRC			1
2001
2002/* E2 and onward - PCI error handling in the completion */
2003
2004#define DMAE_COMP_REGULAR		0
2005#define DMAE_COM_SET_ERR		1
2006
2007#define DMAE_CMD_SRC_PCI		(DMAE_SRC_PCI << \
2008						DMAE_COMMAND_SRC_SHIFT)
2009#define DMAE_CMD_SRC_GRC		(DMAE_SRC_GRC << \
2010						DMAE_COMMAND_SRC_SHIFT)
2011
2012#define DMAE_CMD_DST_PCI		(DMAE_DST_PCI << \
2013						DMAE_COMMAND_DST_SHIFT)
2014#define DMAE_CMD_DST_GRC		(DMAE_DST_GRC << \
2015						DMAE_COMMAND_DST_SHIFT)
2016
2017#define DMAE_CMD_C_DST_PCI		(DMAE_COMP_PCI << \
2018						DMAE_COMMAND_C_DST_SHIFT)
2019#define DMAE_CMD_C_DST_GRC		(DMAE_COMP_GRC << \
2020						DMAE_COMMAND_C_DST_SHIFT)
2021
2022#define DMAE_CMD_C_ENABLE		DMAE_COMMAND_C_TYPE_ENABLE
2023
2024#define DMAE_CMD_ENDIANITY_NO_SWAP	(0 << DMAE_COMMAND_ENDIANITY_SHIFT)
2025#define DMAE_CMD_ENDIANITY_B_SWAP	(1 << DMAE_COMMAND_ENDIANITY_SHIFT)
2026#define DMAE_CMD_ENDIANITY_DW_SWAP	(2 << DMAE_COMMAND_ENDIANITY_SHIFT)
2027#define DMAE_CMD_ENDIANITY_B_DW_SWAP	(3 << DMAE_COMMAND_ENDIANITY_SHIFT)
2028
2029#define DMAE_CMD_PORT_0			0
2030#define DMAE_CMD_PORT_1			DMAE_COMMAND_PORT
2031
2032#define DMAE_CMD_SRC_RESET		DMAE_COMMAND_SRC_RESET
2033#define DMAE_CMD_DST_RESET		DMAE_COMMAND_DST_RESET
2034#define DMAE_CMD_E1HVN_SHIFT		DMAE_COMMAND_E1HVN_SHIFT
2035
2036#define DMAE_SRC_PF			0
2037#define DMAE_SRC_VF			1
2038
2039#define DMAE_DST_PF			0
2040#define DMAE_DST_VF			1
2041
2042#define DMAE_C_SRC			0
2043#define DMAE_C_DST			1
2044
2045#define DMAE_LEN32_RD_MAX		0x80
2046#define DMAE_LEN32_WR_MAX(bp)		(CHIP_IS_E1(bp) ? 0x400 : 0x2000)
2047
2048#define DMAE_COMP_VAL			0x60d0d0ae /* E2 and on - upper bit
2049							indicates eror */
2050
2051#define MAX_DMAE_C_PER_PORT		8
2052#define INIT_DMAE_C(bp)			(BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
2053					 BP_VN(bp))
2054#define PMF_DMAE_C(bp)			(BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
2055					 E1HVN_MAX)
2056
2057/* PCIE link and speed */
2058#define PCICFG_LINK_WIDTH		0x1f00000
2059#define PCICFG_LINK_WIDTH_SHIFT		20
2060#define PCICFG_LINK_SPEED		0xf0000
2061#define PCICFG_LINK_SPEED_SHIFT		16
2062
2063#define BNX2X_NUM_TESTS_SF		7
2064#define BNX2X_NUM_TESTS_MF		3
2065#define BNX2X_NUM_TESTS(bp)		(IS_MF(bp) ? BNX2X_NUM_TESTS_MF : \
2066						     BNX2X_NUM_TESTS_SF)
2067
2068#define BNX2X_PHY_LOOPBACK		0
2069#define BNX2X_MAC_LOOPBACK		1
2070#define BNX2X_EXT_LOOPBACK		2
2071#define BNX2X_PHY_LOOPBACK_FAILED	1
2072#define BNX2X_MAC_LOOPBACK_FAILED	2
2073#define BNX2X_EXT_LOOPBACK_FAILED	3
2074#define BNX2X_LOOPBACK_FAILED		(BNX2X_MAC_LOOPBACK_FAILED | \
2075					 BNX2X_PHY_LOOPBACK_FAILED)
2076
2077#define STROM_ASSERT_ARRAY_SIZE		50
2078
2079/* must be used on a CID before placing it on a HW ring */
2080#define HW_CID(bp, x)			((BP_PORT(bp) << 23) | \
2081					 (BP_VN(bp) << BNX2X_SWCID_SHIFT) | \
2082					 (x))
2083
2084#define SP_DESC_CNT		(BCM_PAGE_SIZE / sizeof(struct eth_spe))
2085#define MAX_SP_DESC_CNT			(SP_DESC_CNT - 1)
2086
2087
2088#define BNX2X_BTR			4
2089#define MAX_SPQ_PENDING			8
2090
2091/* CMNG constants, as derived from system spec calculations */
2092/* default MIN rate in case VNIC min rate is configured to zero - 100Mbps */
2093#define DEF_MIN_RATE					100
2094/* resolution of the rate shaping timer - 400 usec */
2095#define RS_PERIODIC_TIMEOUT_USEC			400
2096/* number of bytes in single QM arbitration cycle -
2097 * coefficient for calculating the fairness timer */
2098#define QM_ARB_BYTES					160000
2099/* resolution of Min algorithm 1:100 */
2100#define MIN_RES						100
2101/* how many bytes above threshold for the minimal credit of Min algorithm*/
2102#define MIN_ABOVE_THRESH				32768
2103/* Fairness algorithm integration time coefficient -
2104 * for calculating the actual Tfair */
2105#define T_FAIR_COEF	((MIN_ABOVE_THRESH +  QM_ARB_BYTES) * 8 * MIN_RES)
2106/* Memory of fairness algorithm . 2 cycles */
2107#define FAIR_MEM					2
2108
2109#define ATTN_NIG_FOR_FUNC		(1L << 8)
2110#define ATTN_SW_TIMER_4_FUNC		(1L << 9)
2111#define GPIO_2_FUNC			(1L << 10)
2112#define GPIO_3_FUNC			(1L << 11)
2113#define GPIO_4_FUNC			(1L << 12)
2114#define ATTN_GENERAL_ATTN_1		(1L << 13)
2115#define ATTN_GENERAL_ATTN_2		(1L << 14)
2116#define ATTN_GENERAL_ATTN_3		(1L << 15)
2117#define ATTN_GENERAL_ATTN_4		(1L << 13)
2118#define ATTN_GENERAL_ATTN_5		(1L << 14)
2119#define ATTN_GENERAL_ATTN_6		(1L << 15)
2120
2121#define ATTN_HARD_WIRED_MASK		0xff00
2122#define ATTENTION_ID			4
2123
2124
2125/* stuff added to make the code fit 80Col */
2126
2127#define BNX2X_PMF_LINK_ASSERT \
2128	GENERAL_ATTEN_OFFSET(LINK_SYNC_ATTENTION_BIT_FUNC_0 + BP_FUNC(bp))
2129
2130#define BNX2X_MC_ASSERT_BITS \
2131	(GENERAL_ATTEN_OFFSET(TSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2132	 GENERAL_ATTEN_OFFSET(USTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2133	 GENERAL_ATTEN_OFFSET(CSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2134	 GENERAL_ATTEN_OFFSET(XSTORM_FATAL_ASSERT_ATTENTION_BIT))
2135
2136#define BNX2X_MCP_ASSERT \
2137	GENERAL_ATTEN_OFFSET(MCP_FATAL_ASSERT_ATTENTION_BIT)
2138
2139#define BNX2X_GRC_TIMEOUT	GENERAL_ATTEN_OFFSET(LATCHED_ATTN_TIMEOUT_GRC)
2140#define BNX2X_GRC_RSV		(GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCR) | \
2141				 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCT) | \
2142				 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCN) | \
2143				 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCU) | \
2144				 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCP) | \
2145				 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RSVD_GRC))
2146
2147#define HW_INTERRUT_ASSERT_SET_0 \
2148				(AEU_INPUTS_ATTN_BITS_TSDM_HW_INTERRUPT | \
2149				 AEU_INPUTS_ATTN_BITS_TCM_HW_INTERRUPT | \
2150				 AEU_INPUTS_ATTN_BITS_TSEMI_HW_INTERRUPT | \
2151				 AEU_INPUTS_ATTN_BITS_BRB_HW_INTERRUPT | \
2152				 AEU_INPUTS_ATTN_BITS_PBCLIENT_HW_INTERRUPT)
2153#define HW_PRTY_ASSERT_SET_0	(AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR | \
2154				 AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR | \
2155				 AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR | \
2156				 AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR |\
2157				 AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR |\
2158				 AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR |\
2159				 AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR)
2160#define HW_INTERRUT_ASSERT_SET_1 \
2161				(AEU_INPUTS_ATTN_BITS_QM_HW_INTERRUPT | \
2162				 AEU_INPUTS_ATTN_BITS_TIMERS_HW_INTERRUPT | \
2163				 AEU_INPUTS_ATTN_BITS_XSDM_HW_INTERRUPT | \
2164				 AEU_INPUTS_ATTN_BITS_XCM_HW_INTERRUPT | \
2165				 AEU_INPUTS_ATTN_BITS_XSEMI_HW_INTERRUPT | \
2166				 AEU_INPUTS_ATTN_BITS_USDM_HW_INTERRUPT | \
2167				 AEU_INPUTS_ATTN_BITS_UCM_HW_INTERRUPT | \
2168				 AEU_INPUTS_ATTN_BITS_USEMI_HW_INTERRUPT | \
2169				 AEU_INPUTS_ATTN_BITS_UPB_HW_INTERRUPT | \
2170				 AEU_INPUTS_ATTN_BITS_CSDM_HW_INTERRUPT | \
2171				 AEU_INPUTS_ATTN_BITS_CCM_HW_INTERRUPT)
2172#define HW_PRTY_ASSERT_SET_1	(AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR |\
2173				 AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR | \
2174				 AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR |\
2175				 AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR | \
2176				 AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR |\
2177				 AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR | \
2178				 AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR |\
2179				 AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR |\
2180			     AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR |\
2181				 AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR | \
2182				 AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR | \
2183				 AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR |\
2184				 AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR | \
2185				 AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR | \
2186				 AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR |\
2187				 AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR)
2188#define HW_INTERRUT_ASSERT_SET_2 \
2189				(AEU_INPUTS_ATTN_BITS_CSEMI_HW_INTERRUPT | \
2190				 AEU_INPUTS_ATTN_BITS_CDU_HW_INTERRUPT | \
2191				 AEU_INPUTS_ATTN_BITS_DMAE_HW_INTERRUPT | \
2192			AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_HW_INTERRUPT |\
2193				 AEU_INPUTS_ATTN_BITS_MISC_HW_INTERRUPT)
2194#define HW_PRTY_ASSERT_SET_2	(AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR | \
2195				 AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR | \
2196			AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR |\
2197				 AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR | \
2198				 AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR | \
2199				 AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR |\
2200				 AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR | \
2201				 AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR)
2202
2203#define HW_PRTY_ASSERT_SET_3 (AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY | \
2204		AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY | \
2205		AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY | \
2206		AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY)
2207
2208#define HW_PRTY_ASSERT_SET_4 (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR | \
2209			      AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)
2210
2211#define MULTI_MASK			0x7f
2212
2213#define DEF_USB_FUNC_OFF	offsetof(struct cstorm_def_status_block_u, func)
2214#define DEF_CSB_FUNC_OFF	offsetof(struct cstorm_def_status_block_c, func)
2215#define DEF_XSB_FUNC_OFF	offsetof(struct xstorm_def_status_block, func)
2216#define DEF_TSB_FUNC_OFF	offsetof(struct tstorm_def_status_block, func)
2217
2218#define DEF_USB_IGU_INDEX_OFF \
2219			offsetof(struct cstorm_def_status_block_u, igu_index)
2220#define DEF_CSB_IGU_INDEX_OFF \
2221			offsetof(struct cstorm_def_status_block_c, igu_index)
2222#define DEF_XSB_IGU_INDEX_OFF \
2223			offsetof(struct xstorm_def_status_block, igu_index)
2224#define DEF_TSB_IGU_INDEX_OFF \
2225			offsetof(struct tstorm_def_status_block, igu_index)
2226
2227#define DEF_USB_SEGMENT_OFF \
2228			offsetof(struct cstorm_def_status_block_u, segment)
2229#define DEF_CSB_SEGMENT_OFF \
2230			offsetof(struct cstorm_def_status_block_c, segment)
2231#define DEF_XSB_SEGMENT_OFF \
2232			offsetof(struct xstorm_def_status_block, segment)
2233#define DEF_TSB_SEGMENT_OFF \
2234			offsetof(struct tstorm_def_status_block, segment)
2235
2236#define BNX2X_SP_DSB_INDEX \
2237		(&bp->def_status_blk->sp_sb.\
2238					index_values[HC_SP_INDEX_ETH_DEF_CONS])
2239
2240#define CAM_IS_INVALID(x) \
2241	(GET_FLAG(x.flags, \
2242	MAC_CONFIGURATION_ENTRY_ACTION_TYPE) == \
2243	(T_ETH_MAC_COMMAND_INVALIDATE))
2244
2245/* Number of u32 elements in MC hash array */
2246#define MC_HASH_SIZE			8
2247#define MC_HASH_OFFSET(bp, i)		(BAR_TSTRORM_INTMEM + \
2248	TSTORM_APPROXIMATE_MATCH_MULTICAST_FILTERING_OFFSET(BP_FUNC(bp)) + i*4)
2249
2250#ifndef PXP2_REG_PXP2_INT_STS
2251#define PXP2_REG_PXP2_INT_STS		PXP2_REG_PXP2_INT_STS_0
2252#endif
2253
2254#ifndef ETH_MAX_RX_CLIENTS_E2
2255#define ETH_MAX_RX_CLIENTS_E2		ETH_MAX_RX_CLIENTS_E1H
2256#endif
2257
2258#define BNX2X_VPD_LEN			128
2259#define VENDOR_ID_LEN			4
2260
2261#define VF_ACQUIRE_THRESH		3
2262#define VF_ACQUIRE_MAC_FILTERS		1
2263#define VF_ACQUIRE_MC_FILTERS		10
2264
2265#define GOOD_ME_REG(me_reg) (((me_reg) & ME_REG_VF_VALID) && \
2266			    (!((me_reg) & ME_REG_VF_ERR)))
2267int bnx2x_nic_load_analyze_req(struct bnx2x *bp, u32 load_code);
2268/* Congestion management fairness mode */
2269#define CMNG_FNS_NONE			0
2270#define CMNG_FNS_MINMAX			1
2271
2272#define HC_SEG_ACCESS_DEF		0   /*Driver decision 0-3*/
2273#define HC_SEG_ACCESS_ATTN		4
2274#define HC_SEG_ACCESS_NORM		0   /*Driver decision 0-1*/
2275
2276static const u32 dmae_reg_go_c[] = {
2277	DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
2278	DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
2279	DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
2280	DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
2281};
2282
2283void bnx2x_set_ethtool_ops(struct net_device *netdev);
2284void bnx2x_notify_link_changed(struct bnx2x *bp);
2285
2286#define BNX2X_MF_SD_PROTOCOL(bp) \
2287	((bp)->mf_config[BP_VN(bp)] & FUNC_MF_CFG_PROTOCOL_MASK)
2288
2289#define BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) \
2290	(BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_ISCSI)
2291
2292#define BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp) \
2293	(BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_FCOE)
2294
2295#define IS_MF_ISCSI_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp))
2296#define IS_MF_FCOE_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp))
2297
2298#define BNX2X_MF_EXT_PROTOCOL_FCOE(bp)  ((bp)->mf_ext_config & \
2299					 MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
2300
2301#define IS_MF_FCOE_AFEX(bp) (IS_MF_AFEX(bp) && BNX2X_MF_EXT_PROTOCOL_FCOE(bp))
2302#define IS_MF_STORAGE_SD(bp) (IS_MF_SD(bp) && \
2303				(BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) || \
2304				 BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)))
2305
2306#define SET_FLAG(value, mask, flag) \
2307	do {\
2308		(value) &= ~(mask);\
2309		(value) |= ((flag) << (mask##_SHIFT));\
2310	} while (0)
2311
2312#define GET_FLAG(value, mask) \
2313	(((value) & (mask)) >> (mask##_SHIFT))
2314
2315#define GET_FIELD(value, fname) \
2316	(((value) & (fname##_MASK)) >> (fname##_SHIFT))
2317
2318enum {
2319	SWITCH_UPDATE,
2320	AFEX_UPDATE,
2321};
2322
2323#define NUM_MACS	8
2324
2325#endif /* bnx2x.h */
2326