1/*
2 * This file is part of the Chelsio T4 Ethernet driver for Linux.
3 *
4 * Copyright (c) 2003-2016 Chelsio Communications, Inc. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses.  You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 *     Redistribution and use in source and binary forms, with or
13 *     without modification, are permitted provided that the following
14 *     conditions are met:
15 *
16 *      - Redistributions of source code must retain the above
17 *        copyright notice, this list of conditions and the following
18 *        disclaimer.
19 *
20 *      - Redistributions in binary form must reproduce the above
21 *        copyright notice, this list of conditions and the following
22 *        disclaimer in the documentation and/or other materials
23 *        provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35#ifndef __CXGB4_H__
36#define __CXGB4_H__
37
38#include "t4_hw.h"
39
40#include <linux/bitops.h>
41#include <linux/cache.h>
42#include <linux/ethtool.h>
43#include <linux/interrupt.h>
44#include <linux/list.h>
45#include <linux/netdevice.h>
46#include <linux/pci.h>
47#include <linux/spinlock.h>
48#include <linux/timer.h>
49#include <linux/vmalloc.h>
50#include <linux/rhashtable.h>
51#include <linux/etherdevice.h>
52#include <linux/net_tstamp.h>
53#include <linux/ptp_clock_kernel.h>
54#include <linux/ptp_classify.h>
55#include <linux/crash_dump.h>
56#include <linux/thermal.h>
57#include <asm/io.h>
58#include "t4_chip_type.h"
59#include "cxgb4_uld.h"
60#include "t4fw_api.h"
61
62#define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
63extern struct list_head adapter_list;
64extern struct list_head uld_list;
65extern struct mutex uld_mutex;
66
67/* Suspend an Ethernet Tx queue with fewer available descriptors than this.
68 * This is the same as calc_tx_descs() for a TSO packet with
69 * nr_frags == MAX_SKB_FRAGS.
70 */
71#define ETHTXQ_STOP_THRES \
72	(1 + DIV_ROUND_UP((3 * MAX_SKB_FRAGS) / 2 + (MAX_SKB_FRAGS & 1), 8))
73
74#define FW_PARAM_DEV(param) \
75	(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) | \
76	 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_##param))
77
78#define FW_PARAM_PFVF(param) \
79	(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) | \
80	 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_##param) |  \
81	 FW_PARAMS_PARAM_Y_V(0) | \
82	 FW_PARAMS_PARAM_Z_V(0))
83
84enum {
85	MAX_NPORTS	= 4,     /* max # of ports */
86	SERNUM_LEN	= 24,    /* Serial # length */
87	ID_LEN		= 16,    /* ID length */
88	PN_LEN		= 16,    /* Part Number length */
89	MACADDR_LEN	= 12,    /* MAC Address length */
90};
91
92enum {
93	T4_REGMAP_SIZE = (160 * 1024),
94	T5_REGMAP_SIZE = (332 * 1024),
95};
96
97enum {
98	MEM_EDC0,
99	MEM_EDC1,
100	MEM_MC,
101	MEM_MC0 = MEM_MC,
102	MEM_MC1,
103	MEM_HMA,
104};
105
106enum {
107	MEMWIN0_APERTURE = 2048,
108	MEMWIN0_BASE     = 0x1b800,
109	MEMWIN1_APERTURE = 32768,
110	MEMWIN1_BASE     = 0x28000,
111	MEMWIN1_BASE_T5  = 0x52000,
112	MEMWIN2_APERTURE = 65536,
113	MEMWIN2_BASE     = 0x30000,
114	MEMWIN2_APERTURE_T5 = 131072,
115	MEMWIN2_BASE_T5  = 0x60000,
116};
117
118enum dev_master {
119	MASTER_CANT,
120	MASTER_MAY,
121	MASTER_MUST
122};
123
124enum dev_state {
125	DEV_STATE_UNINIT,
126	DEV_STATE_INIT,
127	DEV_STATE_ERR
128};
129
130enum cc_pause {
131	PAUSE_RX      = 1 << 0,
132	PAUSE_TX      = 1 << 1,
133	PAUSE_AUTONEG = 1 << 2
134};
135
136enum cc_fec {
137	FEC_AUTO      = 1 << 0,	 /* IEEE 802.3 "automatic" */
138	FEC_RS        = 1 << 1,  /* Reed-Solomon */
139	FEC_BASER_RS  = 1 << 2   /* BaseR/Reed-Solomon */
140};
141
142enum {
143	CXGB4_ETHTOOL_FLASH_FW = 1,
144	CXGB4_ETHTOOL_FLASH_PHY = 2,
145	CXGB4_ETHTOOL_FLASH_BOOT = 3,
146	CXGB4_ETHTOOL_FLASH_BOOTCFG = 4
147};
148
149enum cxgb4_netdev_tls_ops {
150	CXGB4_TLSDEV_OPS  = 1,
151	CXGB4_XFRMDEV_OPS
152};
153
154struct cxgb4_bootcfg_data {
155	__le16 signature;
156	__u8 reserved[2];
157};
158
159struct cxgb4_pcir_data {
160	__le32 signature;	/* Signature. The string "PCIR" */
161	__le16 vendor_id;	/* Vendor Identification */
162	__le16 device_id;	/* Device Identification */
163	__u8 vital_product[2];	/* Pointer to Vital Product Data */
164	__u8 length[2];		/* PCIR Data Structure Length */
165	__u8 revision;		/* PCIR Data Structure Revision */
166	__u8 class_code[3];	/* Class Code */
167	__u8 image_length[2];	/* Image Length. Multiple of 512B */
168	__u8 code_revision[2];	/* Revision Level of Code/Data */
169	__u8 code_type;
170	__u8 indicator;
171	__u8 reserved[2];
172};
173
174/* BIOS boot headers */
175struct cxgb4_pci_exp_rom_header {
176	__le16 signature;	/* ROM Signature. Should be 0xaa55 */
177	__u8 reserved[22];	/* Reserved per processor Architecture data */
178	__le16 pcir_offset;	/* Offset to PCI Data Structure */
179};
180
181/* Legacy PCI Expansion ROM Header */
182struct legacy_pci_rom_hdr {
183	__u8 signature[2];	/* ROM Signature. Should be 0xaa55 */
184	__u8 size512;		/* Current Image Size in units of 512 bytes */
185	__u8 initentry_point[4];
186	__u8 cksum;		/* Checksum computed on the entire Image */
187	__u8 reserved[16];	/* Reserved */
188	__le16 pcir_offset;	/* Offset to PCI Data Struture */
189};
190
191#define CXGB4_HDR_CODE1 0x00
192#define CXGB4_HDR_CODE2 0x03
193#define CXGB4_HDR_INDI 0x80
194
195/* BOOT constants */
196enum {
197	BOOT_CFG_SIG = 0x4243,
198	BOOT_SIZE_INC = 512,
199	BOOT_SIGNATURE = 0xaa55,
200	BOOT_MIN_SIZE = sizeof(struct cxgb4_pci_exp_rom_header),
201	BOOT_MAX_SIZE = 1024 * BOOT_SIZE_INC,
202	PCIR_SIGNATURE = 0x52494350
203};
204
205struct port_stats {
206	u64 tx_octets;            /* total # of octets in good frames */
207	u64 tx_frames;            /* all good frames */
208	u64 tx_bcast_frames;      /* all broadcast frames */
209	u64 tx_mcast_frames;      /* all multicast frames */
210	u64 tx_ucast_frames;      /* all unicast frames */
211	u64 tx_error_frames;      /* all error frames */
212
213	u64 tx_frames_64;         /* # of Tx frames in a particular range */
214	u64 tx_frames_65_127;
215	u64 tx_frames_128_255;
216	u64 tx_frames_256_511;
217	u64 tx_frames_512_1023;
218	u64 tx_frames_1024_1518;
219	u64 tx_frames_1519_max;
220
221	u64 tx_drop;              /* # of dropped Tx frames */
222	u64 tx_pause;             /* # of transmitted pause frames */
223	u64 tx_ppp0;              /* # of transmitted PPP prio 0 frames */
224	u64 tx_ppp1;              /* # of transmitted PPP prio 1 frames */
225	u64 tx_ppp2;              /* # of transmitted PPP prio 2 frames */
226	u64 tx_ppp3;              /* # of transmitted PPP prio 3 frames */
227	u64 tx_ppp4;              /* # of transmitted PPP prio 4 frames */
228	u64 tx_ppp5;              /* # of transmitted PPP prio 5 frames */
229	u64 tx_ppp6;              /* # of transmitted PPP prio 6 frames */
230	u64 tx_ppp7;              /* # of transmitted PPP prio 7 frames */
231
232	u64 rx_octets;            /* total # of octets in good frames */
233	u64 rx_frames;            /* all good frames */
234	u64 rx_bcast_frames;      /* all broadcast frames */
235	u64 rx_mcast_frames;      /* all multicast frames */
236	u64 rx_ucast_frames;      /* all unicast frames */
237	u64 rx_too_long;          /* # of frames exceeding MTU */
238	u64 rx_jabber;            /* # of jabber frames */
239	u64 rx_fcs_err;           /* # of received frames with bad FCS */
240	u64 rx_len_err;           /* # of received frames with length error */
241	u64 rx_symbol_err;        /* symbol errors */
242	u64 rx_runt;              /* # of short frames */
243
244	u64 rx_frames_64;         /* # of Rx frames in a particular range */
245	u64 rx_frames_65_127;
246	u64 rx_frames_128_255;
247	u64 rx_frames_256_511;
248	u64 rx_frames_512_1023;
249	u64 rx_frames_1024_1518;
250	u64 rx_frames_1519_max;
251
252	u64 rx_pause;             /* # of received pause frames */
253	u64 rx_ppp0;              /* # of received PPP prio 0 frames */
254	u64 rx_ppp1;              /* # of received PPP prio 1 frames */
255	u64 rx_ppp2;              /* # of received PPP prio 2 frames */
256	u64 rx_ppp3;              /* # of received PPP prio 3 frames */
257	u64 rx_ppp4;              /* # of received PPP prio 4 frames */
258	u64 rx_ppp5;              /* # of received PPP prio 5 frames */
259	u64 rx_ppp6;              /* # of received PPP prio 6 frames */
260	u64 rx_ppp7;              /* # of received PPP prio 7 frames */
261
262	u64 rx_ovflow0;           /* drops due to buffer-group 0 overflows */
263	u64 rx_ovflow1;           /* drops due to buffer-group 1 overflows */
264	u64 rx_ovflow2;           /* drops due to buffer-group 2 overflows */
265	u64 rx_ovflow3;           /* drops due to buffer-group 3 overflows */
266	u64 rx_trunc0;            /* buffer-group 0 truncated packets */
267	u64 rx_trunc1;            /* buffer-group 1 truncated packets */
268	u64 rx_trunc2;            /* buffer-group 2 truncated packets */
269	u64 rx_trunc3;            /* buffer-group 3 truncated packets */
270};
271
272struct lb_port_stats {
273	u64 octets;
274	u64 frames;
275	u64 bcast_frames;
276	u64 mcast_frames;
277	u64 ucast_frames;
278	u64 error_frames;
279
280	u64 frames_64;
281	u64 frames_65_127;
282	u64 frames_128_255;
283	u64 frames_256_511;
284	u64 frames_512_1023;
285	u64 frames_1024_1518;
286	u64 frames_1519_max;
287
288	u64 drop;
289
290	u64 ovflow0;
291	u64 ovflow1;
292	u64 ovflow2;
293	u64 ovflow3;
294	u64 trunc0;
295	u64 trunc1;
296	u64 trunc2;
297	u64 trunc3;
298};
299
300struct tp_tcp_stats {
301	u32 tcp_out_rsts;
302	u64 tcp_in_segs;
303	u64 tcp_out_segs;
304	u64 tcp_retrans_segs;
305};
306
307struct tp_usm_stats {
308	u32 frames;
309	u32 drops;
310	u64 octets;
311};
312
313struct tp_fcoe_stats {
314	u32 frames_ddp;
315	u32 frames_drop;
316	u64 octets_ddp;
317};
318
319struct tp_err_stats {
320	u32 mac_in_errs[4];
321	u32 hdr_in_errs[4];
322	u32 tcp_in_errs[4];
323	u32 tnl_cong_drops[4];
324	u32 ofld_chan_drops[4];
325	u32 tnl_tx_drops[4];
326	u32 ofld_vlan_drops[4];
327	u32 tcp6_in_errs[4];
328	u32 ofld_no_neigh;
329	u32 ofld_cong_defer;
330};
331
332struct tp_cpl_stats {
333	u32 req[4];
334	u32 rsp[4];
335};
336
337struct tp_rdma_stats {
338	u32 rqe_dfr_pkt;
339	u32 rqe_dfr_mod;
340};
341
342struct sge_params {
343	u32 hps;			/* host page size for our PF/VF */
344	u32 eq_qpp;			/* egress queues/page for our PF/VF */
345	u32 iq_qpp;			/* egress queues/page for our PF/VF */
346};
347
348struct tp_params {
349	unsigned int tre;            /* log2 of core clocks per TP tick */
350	unsigned int la_mask;        /* what events are recorded by TP LA */
351	unsigned short tx_modq_map;  /* TX modulation scheduler queue to */
352				     /* channel map */
353
354	uint32_t dack_re;            /* DACK timer resolution */
355	unsigned short tx_modq[NCHAN];	/* channel to modulation queue map */
356
357	u32 vlan_pri_map;               /* cached TP_VLAN_PRI_MAP */
358	u32 filter_mask;
359	u32 ingress_config;             /* cached TP_INGRESS_CONFIG */
360
361	/* cached TP_OUT_CONFIG compressed error vector
362	 * and passing outer header info for encapsulated packets.
363	 */
364	int rx_pkt_encap;
365
366	/* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets.  This is a
367	 * subset of the set of fields which may be present in the Compressed
368	 * Filter Tuple portion of filters and TCP TCB connections.  The
369	 * fields which are present are controlled by the TP_VLAN_PRI_MAP.
370	 * Since a variable number of fields may or may not be present, their
371	 * shifted field positions within the Compressed Filter Tuple may
372	 * vary, or not even be present if the field isn't selected in
373	 * TP_VLAN_PRI_MAP.  Since some of these fields are needed in various
374	 * places we store their offsets here, or a -1 if the field isn't
375	 * present.
376	 */
377	int fcoe_shift;
378	int port_shift;
379	int vnic_shift;
380	int vlan_shift;
381	int tos_shift;
382	int protocol_shift;
383	int ethertype_shift;
384	int macmatch_shift;
385	int matchtype_shift;
386	int frag_shift;
387
388	u64 hash_filter_mask;
389};
390
391struct vpd_params {
392	unsigned int cclk;
393	u8 sn[SERNUM_LEN + 1];
394	u8 id[ID_LEN + 1];
395	u8 pn[PN_LEN + 1];
396	u8 na[MACADDR_LEN + 1];
397};
398
399/* Maximum resources provisioned for a PCI PF.
400 */
401struct pf_resources {
402	unsigned int nvi;		/* N virtual interfaces */
403	unsigned int neq;		/* N egress Qs */
404	unsigned int nethctrl;		/* N egress ETH or CTRL Qs */
405	unsigned int niqflint;		/* N ingress Qs/w free list(s) & intr */
406	unsigned int niq;		/* N ingress Qs */
407	unsigned int tc;		/* PCI-E traffic class */
408	unsigned int pmask;		/* port access rights mask */
409	unsigned int nexactf;		/* N exact MPS filters */
410	unsigned int r_caps;		/* read capabilities */
411	unsigned int wx_caps;		/* write/execute capabilities */
412};
413
414struct pci_params {
415	unsigned char speed;
416	unsigned char width;
417};
418
419struct devlog_params {
420	u32 memtype;                    /* which memory (EDC0, EDC1, MC) */
421	u32 start;                      /* start of log in firmware memory */
422	u32 size;                       /* size of log */
423};
424
425/* Stores chip specific parameters */
426struct arch_specific_params {
427	u8 nchan;
428	u8 pm_stats_cnt;
429	u8 cng_ch_bits_log;		/* congestion channel map bits width */
430	u16 mps_rplc_size;
431	u16 vfcount;
432	u32 sge_fl_db;
433	u16 mps_tcam_size;
434};
435
436struct adapter_params {
437	struct sge_params sge;
438	struct tp_params  tp;
439	struct vpd_params vpd;
440	struct pf_resources pfres;
441	struct pci_params pci;
442	struct devlog_params devlog;
443	enum pcie_memwin drv_memwin;
444
445	unsigned int cim_la_size;
446
447	unsigned int sf_size;             /* serial flash size in bytes */
448	unsigned int sf_nsec;             /* # of flash sectors */
449
450	unsigned int fw_vers;		  /* firmware version */
451	unsigned int bs_vers;		  /* bootstrap version */
452	unsigned int tp_vers;		  /* TP microcode version */
453	unsigned int er_vers;		  /* expansion ROM version */
454	unsigned int scfg_vers;		  /* Serial Configuration version */
455	unsigned int vpd_vers;		  /* VPD Version */
456	u8 api_vers[7];
457
458	unsigned short mtus[NMTUS];
459	unsigned short a_wnd[NCCTRL_WIN];
460	unsigned short b_wnd[NCCTRL_WIN];
461
462	unsigned char nports;             /* # of ethernet ports */
463	unsigned char portvec;
464	enum chip_type chip;               /* chip code */
465	struct arch_specific_params arch;  /* chip specific params */
466	unsigned char offload;
467	unsigned char crypto;		/* HW capability for crypto */
468	unsigned char ethofld;		/* QoS support */
469
470	unsigned char bypass;
471	unsigned char hash_filter;
472
473	unsigned int ofldq_wr_cred;
474	bool ulptx_memwrite_dsgl;          /* use of T5 DSGL allowed */
475
476	unsigned int nsched_cls;          /* number of traffic classes */
477	unsigned int max_ordird_qp;       /* Max read depth per RDMA QP */
478	unsigned int max_ird_adapter;     /* Max read depth per adapter */
479	bool fr_nsmr_tpte_wr_support;	  /* FW support for FR_NSMR_TPTE_WR */
480	u8 fw_caps_support;		/* 32-bit Port Capabilities */
481	bool filter2_wr_support;	/* FW support for FILTER2_WR */
482	unsigned int viid_smt_extn_support:1; /* FW returns vin and smt index */
483
484	/* MPS Buffer Group Map[per Port].  Bit i is set if buffer group i is
485	 * used by the Port
486	 */
487	u8 mps_bg_map[MAX_NPORTS];	/* MPS Buffer Group Map */
488	bool write_w_imm_support;       /* FW supports WRITE_WITH_IMMEDIATE */
489	bool write_cmpl_support;        /* FW supports WRITE_CMPL */
490};
491
492/* State needed to monitor the forward progress of SGE Ingress DMA activities
493 * and possible hangs.
494 */
495struct sge_idma_monitor_state {
496	unsigned int idma_1s_thresh;	/* 1s threshold in Core Clock ticks */
497	unsigned int idma_stalled[2];	/* synthesized stalled timers in HZ */
498	unsigned int idma_state[2];	/* IDMA Hang detect state */
499	unsigned int idma_qid[2];	/* IDMA Hung Ingress Queue ID */
500	unsigned int idma_warn[2];	/* time to warning in HZ */
501};
502
503/* Firmware Mailbox Command/Reply log.  All values are in Host-Endian format.
504 * The access and execute times are signed in order to accommodate negative
505 * error returns.
506 */
507struct mbox_cmd {
508	u64 cmd[MBOX_LEN / 8];		/* a Firmware Mailbox Command/Reply */
509	u64 timestamp;			/* OS-dependent timestamp */
510	u32 seqno;			/* sequence number */
511	s16 access;			/* time (ms) to access mailbox */
512	s16 execute;			/* time (ms) to execute */
513};
514
515struct mbox_cmd_log {
516	unsigned int size;		/* number of entries in the log */
517	unsigned int cursor;		/* next position in the log to write */
518	u32 seqno;			/* next sequence number */
519	/* variable length mailbox command log starts here */
520};
521
522/* Given a pointer to a Firmware Mailbox Command Log and a log entry index,
523 * return a pointer to the specified entry.
524 */
525static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
526						  unsigned int entry_idx)
527{
528	return &((struct mbox_cmd *)&(log)[1])[entry_idx];
529}
530
531#define FW_VERSION(chip) ( \
532		FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
533		FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
534		FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
535		FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
536#define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
537
538struct cxgb4_ethtool_lb_test {
539	struct completion completion;
540	int result;
541	int loopback;
542};
543
544struct fw_info {
545	u8 chip;
546	char *fs_name;
547	char *fw_mod_name;
548	struct fw_hdr fw_hdr;
549};
550
551struct trace_params {
552	u32 data[TRACE_LEN / 4];
553	u32 mask[TRACE_LEN / 4];
554	unsigned short snap_len;
555	unsigned short min_len;
556	unsigned char skip_ofst;
557	unsigned char skip_len;
558	unsigned char invert;
559	unsigned char port;
560};
561
562struct cxgb4_fw_data {
563	__be32 signature;
564	__u8 reserved[4];
565};
566
567/* Firmware Port Capabilities types. */
568
569typedef u16 fw_port_cap16_t;	/* 16-bit Port Capabilities integral value */
570typedef u32 fw_port_cap32_t;	/* 32-bit Port Capabilities integral value */
571
572enum fw_caps {
573	FW_CAPS_UNKNOWN	= 0,	/* 0'ed out initial state */
574	FW_CAPS16	= 1,	/* old Firmware: 16-bit Port Capabilities */
575	FW_CAPS32	= 2,	/* new Firmware: 32-bit Port Capabilities */
576};
577
578struct link_config {
579	fw_port_cap32_t pcaps;           /* link capabilities */
580	fw_port_cap32_t def_acaps;       /* default advertised capabilities */
581	fw_port_cap32_t acaps;           /* advertised capabilities */
582	fw_port_cap32_t lpacaps;         /* peer advertised capabilities */
583
584	fw_port_cap32_t speed_caps;      /* speed(s) user has requested */
585	unsigned int   speed;            /* actual link speed (Mb/s) */
586
587	enum cc_pause  requested_fc;     /* flow control user has requested */
588	enum cc_pause  fc;               /* actual link flow control */
589	enum cc_pause  advertised_fc;    /* actual advertised flow control */
590
591	enum cc_fec    requested_fec;	 /* Forward Error Correction: */
592	enum cc_fec    fec;		 /* requested and actual in use */
593
594	unsigned char  autoneg;          /* autonegotiating? */
595
596	unsigned char  link_ok;          /* link up? */
597	unsigned char  link_down_rc;     /* link down reason */
598
599	bool new_module;		 /* ->OS Transceiver Module inserted */
600	bool redo_l1cfg;		 /* ->CC redo current "sticky" L1 CFG */
601};
602
603#define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
604
605enum {
606	MAX_ETH_QSETS = 32,           /* # of Ethernet Tx/Rx queue sets */
607	MAX_OFLD_QSETS = 16,          /* # of offload Tx, iscsi Rx queue sets */
608	MAX_CTRL_QUEUES = NCHAN,      /* # of control Tx queues */
609};
610
611enum {
612	MAX_TXQ_ENTRIES      = 16384,
613	MAX_CTRL_TXQ_ENTRIES = 1024,
614	MAX_RSPQ_ENTRIES     = 16384,
615	MAX_RX_BUFFERS       = 16384,
616	MIN_TXQ_ENTRIES      = 32,
617	MIN_CTRL_TXQ_ENTRIES = 32,
618	MIN_RSPQ_ENTRIES     = 128,
619	MIN_FL_ENTRIES       = 16
620};
621
622enum {
623	MAX_TXQ_DESC_SIZE      = 64,
624	MAX_RXQ_DESC_SIZE      = 128,
625	MAX_FL_DESC_SIZE       = 8,
626	MAX_CTRL_TXQ_DESC_SIZE = 64,
627};
628
629enum {
630	INGQ_EXTRAS = 2,        /* firmware event queue and */
631				/*   forwarded interrupts */
632	MAX_INGQ = MAX_ETH_QSETS + INGQ_EXTRAS,
633};
634
635enum {
636	PRIV_FLAG_PORT_TX_VM_BIT,
637};
638
639#define PRIV_FLAG_PORT_TX_VM		BIT(PRIV_FLAG_PORT_TX_VM_BIT)
640
641#define PRIV_FLAGS_ADAP			0
642#define PRIV_FLAGS_PORT			PRIV_FLAG_PORT_TX_VM
643
644struct adapter;
645struct sge_rspq;
646
647#include "cxgb4_dcb.h"
648
649#ifdef CONFIG_CHELSIO_T4_FCOE
650#include "cxgb4_fcoe.h"
651#endif /* CONFIG_CHELSIO_T4_FCOE */
652
653struct port_info {
654	struct adapter *adapter;
655	u16    viid;
656	int    xact_addr_filt;        /* index of exact MAC address filter */
657	u16    rss_size;              /* size of VI's RSS table slice */
658	s8     mdio_addr;
659	enum fw_port_type port_type;
660	u8     mod_type;
661	u8     port_id;
662	u8     tx_chan;
663	u8     lport;                 /* associated offload logical port */
664	u8     nqsets;                /* # of qsets */
665	u8     first_qset;            /* index of first qset */
666	u8     rss_mode;
667	struct link_config link_cfg;
668	u16   *rss;
669	struct port_stats stats_base;
670#ifdef CONFIG_CHELSIO_T4_DCB
671	struct port_dcb_info dcb;     /* Data Center Bridging support */
672#endif
673#ifdef CONFIG_CHELSIO_T4_FCOE
674	struct cxgb_fcoe fcoe;
675#endif /* CONFIG_CHELSIO_T4_FCOE */
676	bool rxtstamp;  /* Enable TS */
677	struct hwtstamp_config tstamp_config;
678	bool ptp_enable;
679	struct sched_table *sched_tbl;
680	u32 eth_flags;
681
682	/* viid and smt fields either returned by fw
683	 * or decoded by parsing viid by driver.
684	 */
685	u8 vin;
686	u8 vivld;
687	u8 smt_idx;
688	u8 rx_cchan;
689
690	bool tc_block_shared;
691
692	/* Mirror VI information */
693	u16 viid_mirror;
694	u16 nmirrorqsets;
695	u32 vi_mirror_count;
696	struct mutex vi_mirror_mutex; /* Sync access to Mirror VI info */
697	struct cxgb4_ethtool_lb_test ethtool_lb;
698};
699
700struct dentry;
701struct work_struct;
702
703enum {                                 /* adapter flags */
704	CXGB4_FULL_INIT_DONE		= (1 << 0),
705	CXGB4_DEV_ENABLED		= (1 << 1),
706	CXGB4_USING_MSI			= (1 << 2),
707	CXGB4_USING_MSIX		= (1 << 3),
708	CXGB4_FW_OK			= (1 << 4),
709	CXGB4_RSS_TNLALLLOOKUP		= (1 << 5),
710	CXGB4_USING_SOFT_PARAMS		= (1 << 6),
711	CXGB4_MASTER_PF			= (1 << 7),
712	CXGB4_FW_OFLD_CONN		= (1 << 9),
713	CXGB4_ROOT_NO_RELAXED_ORDERING	= (1 << 10),
714	CXGB4_SHUTTING_DOWN		= (1 << 11),
715	CXGB4_SGE_DBQ_TIMER		= (1 << 12),
716};
717
718enum {
719	ULP_CRYPTO_LOOKASIDE = 1 << 0,
720	ULP_CRYPTO_IPSEC_INLINE = 1 << 1,
721	ULP_CRYPTO_KTLS_INLINE  = 1 << 3,
722};
723
724#define CXGB4_MIRROR_RXQ_DEFAULT_DESC_NUM 1024
725#define CXGB4_MIRROR_RXQ_DEFAULT_DESC_SIZE 64
726#define CXGB4_MIRROR_RXQ_DEFAULT_INTR_USEC 5
727#define CXGB4_MIRROR_RXQ_DEFAULT_PKT_CNT 8
728
729#define CXGB4_MIRROR_FLQ_DEFAULT_DESC_NUM 72
730
731struct rx_sw_desc;
732
733struct sge_fl {                     /* SGE free-buffer queue state */
734	unsigned int avail;         /* # of available Rx buffers */
735	unsigned int pend_cred;     /* new buffers since last FL DB ring */
736	unsigned int cidx;          /* consumer index */
737	unsigned int pidx;          /* producer index */
738	unsigned long alloc_failed; /* # of times buffer allocation failed */
739	unsigned long large_alloc_failed;
740	unsigned long mapping_err;  /* # of RX Buffer DMA Mapping failures */
741	unsigned long low;          /* # of times momentarily starving */
742	unsigned long starving;
743	/* RO fields */
744	unsigned int cntxt_id;      /* SGE context id for the free list */
745	unsigned int size;          /* capacity of free list */
746	struct rx_sw_desc *sdesc;   /* address of SW Rx descriptor ring */
747	__be64 *desc;               /* address of HW Rx descriptor ring */
748	dma_addr_t addr;            /* bus address of HW ring start */
749	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
750	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
751};
752
753/* A packet gather list */
754struct pkt_gl {
755	u64 sgetstamp;		    /* SGE Time Stamp for Ingress Packet */
756	struct page_frag frags[MAX_SKB_FRAGS];
757	void *va;                         /* virtual address of first byte */
758	unsigned int nfrags;              /* # of fragments */
759	unsigned int tot_len;             /* total length of fragments */
760};
761
762typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
763			      const struct pkt_gl *gl);
764typedef void (*rspq_flush_handler_t)(struct sge_rspq *q);
765/* LRO related declarations for ULD */
766struct t4_lro_mgr {
767#define MAX_LRO_SESSIONS		64
768	u8 lro_session_cnt;         /* # of sessions to aggregate */
769	unsigned long lro_pkts;     /* # of LRO super packets */
770	unsigned long lro_merged;   /* # of wire packets merged by LRO */
771	struct sk_buff_head lroq;   /* list of aggregated sessions */
772};
773
774struct sge_rspq {                   /* state for an SGE response queue */
775	struct napi_struct napi;
776	const __be64 *cur_desc;     /* current descriptor in queue */
777	unsigned int cidx;          /* consumer index */
778	u8 gen;                     /* current generation bit */
779	u8 intr_params;             /* interrupt holdoff parameters */
780	u8 next_intr_params;        /* holdoff params for next interrupt */
781	u8 adaptive_rx;
782	u8 pktcnt_idx;              /* interrupt packet threshold */
783	u8 uld;                     /* ULD handling this queue */
784	u8 idx;                     /* queue index within its group */
785	int offset;                 /* offset into current Rx buffer */
786	u16 cntxt_id;               /* SGE context id for the response q */
787	u16 abs_id;                 /* absolute SGE id for the response q */
788	__be64 *desc;               /* address of HW response ring */
789	dma_addr_t phys_addr;       /* physical address of the ring */
790	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
791	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
792	unsigned int iqe_len;       /* entry size */
793	unsigned int size;          /* capacity of response queue */
794	struct adapter *adap;
795	struct net_device *netdev;  /* associated net device */
796	rspq_handler_t handler;
797	rspq_flush_handler_t flush_handler;
798	struct t4_lro_mgr lro_mgr;
799};
800
801struct sge_eth_stats {              /* Ethernet queue statistics */
802	unsigned long pkts;         /* # of ethernet packets */
803	unsigned long lro_pkts;     /* # of LRO super packets */
804	unsigned long lro_merged;   /* # of wire packets merged by LRO */
805	unsigned long rx_cso;       /* # of Rx checksum offloads */
806	unsigned long vlan_ex;      /* # of Rx VLAN extractions */
807	unsigned long rx_drops;     /* # of packets dropped due to no mem */
808	unsigned long bad_rx_pkts;  /* # of packets with err_vec!=0 */
809};
810
811struct sge_eth_rxq {                /* SW Ethernet Rx queue */
812	struct sge_rspq rspq;
813	struct sge_fl fl;
814	struct sge_eth_stats stats;
815	struct msix_info *msix;
816} ____cacheline_aligned_in_smp;
817
818struct sge_ofld_stats {             /* offload queue statistics */
819	unsigned long pkts;         /* # of packets */
820	unsigned long imm;          /* # of immediate-data packets */
821	unsigned long an;           /* # of asynchronous notifications */
822	unsigned long nomem;        /* # of responses deferred due to no mem */
823};
824
825struct sge_ofld_rxq {               /* SW offload Rx queue */
826	struct sge_rspq rspq;
827	struct sge_fl fl;
828	struct sge_ofld_stats stats;
829	struct msix_info *msix;
830} ____cacheline_aligned_in_smp;
831
832struct tx_desc {
833	__be64 flit[8];
834};
835
836struct ulptx_sgl;
837
838struct tx_sw_desc {
839	struct sk_buff *skb; /* SKB to free after getting completion */
840	dma_addr_t addr[MAX_SKB_FRAGS + 1]; /* DMA mapped addresses */
841};
842
843struct sge_txq {
844	unsigned int  in_use;       /* # of in-use Tx descriptors */
845	unsigned int  q_type;	    /* Q type Eth/Ctrl/Ofld */
846	unsigned int  size;         /* # of descriptors */
847	unsigned int  cidx;         /* SW consumer index */
848	unsigned int  pidx;         /* producer index */
849	unsigned long stops;        /* # of times q has been stopped */
850	unsigned long restarts;     /* # of queue restarts */
851	unsigned int  cntxt_id;     /* SGE context id for the Tx q */
852	struct tx_desc *desc;       /* address of HW Tx descriptor ring */
853	struct tx_sw_desc *sdesc;   /* address of SW Tx descriptor ring */
854	struct sge_qstat *stat;     /* queue status entry */
855	dma_addr_t    phys_addr;    /* physical address of the ring */
856	spinlock_t db_lock;
857	int db_disabled;
858	unsigned short db_pidx;
859	unsigned short db_pidx_inc;
860	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
861	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
862};
863
864struct sge_eth_txq {                /* state for an SGE Ethernet Tx queue */
865	struct sge_txq q;
866	struct netdev_queue *txq;   /* associated netdev TX queue */
867#ifdef CONFIG_CHELSIO_T4_DCB
868	u8 dcb_prio;		    /* DCB Priority bound to queue */
869#endif
870	u8 dbqt;                    /* SGE Doorbell Queue Timer in use */
871	unsigned int dbqtimerix;    /* SGE Doorbell Queue Timer Index */
872	unsigned long tso;          /* # of TSO requests */
873	unsigned long uso;          /* # of USO requests */
874	unsigned long tx_cso;       /* # of Tx checksum offloads */
875	unsigned long vlan_ins;     /* # of Tx VLAN insertions */
876	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
877} ____cacheline_aligned_in_smp;
878
879struct sge_uld_txq {               /* state for an SGE offload Tx queue */
880	struct sge_txq q;
881	struct adapter *adap;
882	struct sk_buff_head sendq;  /* list of backpressured packets */
883	struct tasklet_struct qresume_tsk; /* restarts the queue */
884	bool service_ofldq_running; /* service_ofldq() is processing sendq */
885	u8 full;                    /* the Tx ring is full */
886	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
887} ____cacheline_aligned_in_smp;
888
889struct sge_ctrl_txq {               /* state for an SGE control Tx queue */
890	struct sge_txq q;
891	struct adapter *adap;
892	struct sk_buff_head sendq;  /* list of backpressured packets */
893	struct tasklet_struct qresume_tsk; /* restarts the queue */
894	u8 full;                    /* the Tx ring is full */
895} ____cacheline_aligned_in_smp;
896
897struct sge_uld_rxq_info {
898	char name[IFNAMSIZ];	/* name of ULD driver */
899	struct sge_ofld_rxq *uldrxq; /* Rxq's for ULD */
900	u16 *rspq_id;		/* response queue id's of rxq */
901	u16 nrxq;		/* # of ingress uld queues */
902	u16 nciq;		/* # of completion queues */
903	u8 uld;			/* uld type */
904};
905
906struct sge_uld_txq_info {
907	struct sge_uld_txq *uldtxq; /* Txq's for ULD */
908	atomic_t users;		/* num users */
909	u16 ntxq;		/* # of egress uld queues */
910};
911
912/* struct to maintain ULD list to reallocate ULD resources on hotplug */
913struct cxgb4_uld_list {
914	struct cxgb4_uld_info uld_info;
915	struct list_head list_node;
916	enum cxgb4_uld uld_type;
917};
918
919enum sge_eosw_state {
920	CXGB4_EO_STATE_CLOSED = 0, /* Not ready to accept traffic */
921	CXGB4_EO_STATE_FLOWC_OPEN_SEND, /* Send FLOWC open request */
922	CXGB4_EO_STATE_FLOWC_OPEN_REPLY, /* Waiting for FLOWC open reply */
923	CXGB4_EO_STATE_ACTIVE, /* Ready to accept traffic */
924	CXGB4_EO_STATE_FLOWC_CLOSE_SEND, /* Send FLOWC close request */
925	CXGB4_EO_STATE_FLOWC_CLOSE_REPLY, /* Waiting for FLOWC close reply */
926};
927
928struct sge_eosw_txq {
929	spinlock_t lock; /* Per queue lock to synchronize completions */
930	enum sge_eosw_state state; /* Current ETHOFLD State */
931	struct tx_sw_desc *desc; /* Descriptor ring to hold packets */
932	u32 ndesc; /* Number of descriptors */
933	u32 pidx; /* Current Producer Index */
934	u32 last_pidx; /* Last successfully transmitted Producer Index */
935	u32 cidx; /* Current Consumer Index */
936	u32 last_cidx; /* Last successfully reclaimed Consumer Index */
937	u32 flowc_idx; /* Descriptor containing a FLOWC request */
938	u32 inuse; /* Number of packets held in ring */
939
940	u32 cred; /* Current available credits */
941	u32 ncompl; /* # of completions posted */
942	u32 last_compl; /* # of credits consumed since last completion req */
943
944	u32 eotid; /* Index into EOTID table in software */
945	u32 hwtid; /* Hardware EOTID index */
946
947	u32 hwqid; /* Underlying hardware queue index */
948	struct net_device *netdev; /* Pointer to netdevice */
949	struct tasklet_struct qresume_tsk; /* Restarts the queue */
950	struct completion completion; /* completion for FLOWC rendezvous */
951};
952
953struct sge_eohw_txq {
954	spinlock_t lock; /* Per queue lock */
955	struct sge_txq q; /* HW Txq */
956	struct adapter *adap; /* Backpointer to adapter */
957	unsigned long tso; /* # of TSO requests */
958	unsigned long uso; /* # of USO requests */
959	unsigned long tx_cso; /* # of Tx checksum offloads */
960	unsigned long vlan_ins; /* # of Tx VLAN insertions */
961	unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
962};
963
964struct sge {
965	struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
966	struct sge_eth_txq ptptxq;
967	struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
968
969	struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
970	struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
971	struct sge_uld_rxq_info **uld_rxq_info;
972	struct sge_uld_txq_info **uld_txq_info;
973
974	struct sge_rspq intrq ____cacheline_aligned_in_smp;
975	spinlock_t intrq_lock;
976
977	struct sge_eohw_txq *eohw_txq;
978	struct sge_ofld_rxq *eohw_rxq;
979
980	struct sge_eth_rxq *mirror_rxq[NCHAN];
981
982	u16 max_ethqsets;           /* # of available Ethernet queue sets */
983	u16 ethqsets;               /* # of active Ethernet queue sets */
984	u16 ethtxq_rover;           /* Tx queue to clean up next */
985	u16 ofldqsets;              /* # of active ofld queue sets */
986	u16 nqs_per_uld;	    /* # of Rx queues per ULD */
987	u16 eoqsets;                /* # of ETHOFLD queues */
988	u16 mirrorqsets;            /* # of Mirror queues */
989
990	u16 timer_val[SGE_NTIMERS];
991	u8 counter_val[SGE_NCOUNTERS];
992	u16 dbqtimer_tick;
993	u16 dbqtimer_val[SGE_NDBQTIMERS];
994	u32 fl_pg_order;            /* large page allocation size */
995	u32 stat_len;               /* length of status page at ring end */
996	u32 pktshift;               /* padding between CPL & packet data */
997	u32 fl_align;               /* response queue message alignment */
998	u32 fl_starve_thres;        /* Free List starvation threshold */
999
1000	struct sge_idma_monitor_state idma_monitor;
1001	unsigned int egr_start;
1002	unsigned int egr_sz;
1003	unsigned int ingr_start;
1004	unsigned int ingr_sz;
1005	void **egr_map;    /* qid->queue egress queue map */
1006	struct sge_rspq **ingr_map; /* qid->queue ingress queue map */
1007	unsigned long *starving_fl;
1008	unsigned long *txq_maperr;
1009	unsigned long *blocked_fl;
1010	struct timer_list rx_timer; /* refills starving FLs */
1011	struct timer_list tx_timer; /* checks Tx queues */
1012
1013	int fwevtq_msix_idx; /* Index to firmware event queue MSI-X info */
1014	int nd_msix_idx; /* Index to non-data interrupts MSI-X info */
1015};
1016
1017#define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++)
1018#define for_each_ofldtxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++)
1019
1020struct l2t_data;
1021
1022#ifdef CONFIG_PCI_IOV
1023
1024/* T4 supports SRIOV on PF0-3 and T5 on PF0-7.  However, the Serial
1025 * Configuration initialization for T5 only has SR-IOV functionality enabled
1026 * on PF0-3 in order to simplify everything.
1027 */
1028#define NUM_OF_PF_WITH_SRIOV 4
1029
1030#endif
1031
1032struct doorbell_stats {
1033	u32 db_drop;
1034	u32 db_empty;
1035	u32 db_full;
1036};
1037
1038struct hash_mac_addr {
1039	struct list_head list;
1040	u8 addr[ETH_ALEN];
1041	unsigned int iface_mac;
1042};
1043
1044struct msix_bmap {
1045	unsigned long *msix_bmap;
1046	unsigned int mapsize;
1047	spinlock_t lock; /* lock for acquiring bitmap */
1048};
1049
1050struct msix_info {
1051	unsigned short vec;
1052	char desc[IFNAMSIZ + 10];
1053	unsigned int idx;
1054	cpumask_var_t aff_mask;
1055};
1056
1057struct vf_info {
1058	unsigned char vf_mac_addr[ETH_ALEN];
1059	unsigned int tx_rate;
1060	bool pf_set_mac;
1061	u16 vlan;
1062	int link_state;
1063};
1064
1065enum {
1066	HMA_DMA_MAPPED_FLAG = 1
1067};
1068
1069struct hma_data {
1070	unsigned char flags;
1071	struct sg_table *sgt;
1072	dma_addr_t *phy_addr;	/* physical address of the page */
1073};
1074
1075struct mbox_list {
1076	struct list_head list;
1077};
1078
1079#if IS_ENABLED(CONFIG_THERMAL)
1080struct ch_thermal {
1081	struct thermal_zone_device *tzdev;
1082};
1083#endif
1084
1085struct mps_entries_ref {
1086	struct list_head list;
1087	u8 addr[ETH_ALEN];
1088	u8 mask[ETH_ALEN];
1089	u16 idx;
1090	refcount_t refcnt;
1091};
1092
1093struct cxgb4_ethtool_filter_info {
1094	u32 *loc_array; /* Array holding the actual TIDs set to filters */
1095	unsigned long *bmap; /* Bitmap for managing filters in use */
1096	u32 in_use; /* # of filters in use */
1097};
1098
1099struct cxgb4_ethtool_filter {
1100	u32 nentries; /* Adapter wide number of supported filters */
1101	struct cxgb4_ethtool_filter_info *port; /* Per port entry */
1102};
1103
1104struct adapter {
1105	void __iomem *regs;
1106	void __iomem *bar2;
1107	u32 t4_bar0;
1108	struct pci_dev *pdev;
1109	struct device *pdev_dev;
1110	const char *name;
1111	unsigned int mbox;
1112	unsigned int pf;
1113	unsigned int flags;
1114	unsigned int adap_idx;
1115	enum chip_type chip;
1116	u32 eth_flags;
1117
1118	int msg_enable;
1119	__be16 vxlan_port;
1120	__be16 geneve_port;
1121
1122	struct adapter_params params;
1123	struct cxgb4_virt_res vres;
1124	unsigned int swintr;
1125
1126	/* MSI-X Info for NIC and OFLD queues */
1127	struct msix_info *msix_info;
1128	struct msix_bmap msix_bmap;
1129
1130	struct doorbell_stats db_stats;
1131	struct sge sge;
1132
1133	struct net_device *port[MAX_NPORTS];
1134	u8 chan_map[NCHAN];                   /* channel -> port map */
1135
1136	struct vf_info *vfinfo;
1137	u8 num_vfs;
1138
1139	u32 filter_mode;
1140	unsigned int l2t_start;
1141	unsigned int l2t_end;
1142	struct l2t_data *l2t;
1143	unsigned int clipt_start;
1144	unsigned int clipt_end;
1145	struct clip_tbl *clipt;
1146	unsigned int rawf_start;
1147	unsigned int rawf_cnt;
1148	struct smt_data *smt;
1149	struct cxgb4_uld_info *uld;
1150	void *uld_handle[CXGB4_ULD_MAX];
1151	unsigned int num_uld;
1152	unsigned int num_ofld_uld;
1153	struct list_head list_node;
1154	struct list_head rcu_node;
1155	struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */
1156	struct list_head mps_ref;
1157	spinlock_t mps_ref_lock; /* lock for syncing mps ref/def activities */
1158
1159	void *iscsi_ppm;
1160
1161	struct tid_info tids;
1162	void **tid_release_head;
1163	spinlock_t tid_release_lock;
1164	struct workqueue_struct *workq;
1165	struct work_struct tid_release_task;
1166	struct work_struct db_full_task;
1167	struct work_struct db_drop_task;
1168	struct work_struct fatal_err_notify_task;
1169	bool tid_release_task_busy;
1170
1171	/* lock for mailbox cmd list */
1172	spinlock_t mbox_lock;
1173	struct mbox_list mlist;
1174
1175	/* support for mailbox command/reply logging */
1176#define T4_OS_LOG_MBOX_CMDS 256
1177	struct mbox_cmd_log *mbox_log;
1178
1179	struct mutex uld_mutex;
1180
1181	struct dentry *debugfs_root;
1182	bool use_bd;     /* Use SGE Back Door intfc for reading SGE Contexts */
1183	bool trace_rss;	/* 1 implies that different RSS flit per filter is
1184			 * used per filter else if 0 default RSS flit is
1185			 * used for all 4 filters.
1186			 */
1187
1188	struct ptp_clock *ptp_clock;
1189	struct ptp_clock_info ptp_clock_info;
1190	struct sk_buff *ptp_tx_skb;
1191	/* ptp lock */
1192	spinlock_t ptp_lock;
1193	spinlock_t stats_lock;
1194	spinlock_t win0_lock ____cacheline_aligned_in_smp;
1195
1196	/* TC u32 offload */
1197	struct cxgb4_tc_u32_table *tc_u32;
1198	struct chcr_ktls chcr_ktls;
1199	struct chcr_stats_debug chcr_stats;
1200#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
1201	struct ch_ktls_stats_debug ch_ktls_stats;
1202#endif
1203#if IS_ENABLED(CONFIG_CHELSIO_IPSEC_INLINE)
1204	struct ch_ipsec_stats_debug ch_ipsec_stats;
1205#endif
1206
1207	/* TC flower offload */
1208	bool tc_flower_initialized;
1209	struct rhashtable flower_tbl;
1210	struct rhashtable_params flower_ht_params;
1211	struct timer_list flower_stats_timer;
1212	struct work_struct flower_stats_work;
1213
1214	/* Ethtool Dump */
1215	struct ethtool_dump eth_dump;
1216
1217	/* HMA */
1218	struct hma_data hma;
1219
1220	struct srq_data *srq;
1221
1222	/* Dump buffer for collecting logs in kdump kernel */
1223	struct vmcoredd_data vmcoredd;
1224#if IS_ENABLED(CONFIG_THERMAL)
1225	struct ch_thermal ch_thermal;
1226#endif
1227
1228	/* TC MQPRIO offload */
1229	struct cxgb4_tc_mqprio *tc_mqprio;
1230
1231	/* TC MATCHALL classifier offload */
1232	struct cxgb4_tc_matchall *tc_matchall;
1233
1234	/* Ethtool n-tuple */
1235	struct cxgb4_ethtool_filter *ethtool_filters;
1236};
1237
1238/* Support for "sched-class" command to allow a TX Scheduling Class to be
1239 * programmed with various parameters.
1240 */
1241struct ch_sched_params {
1242	u8   type;                     /* packet or flow */
1243	union {
1244		struct {
1245			u8   level;    /* scheduler hierarchy level */
1246			u8   mode;     /* per-class or per-flow */
1247			u8   rateunit; /* bit or packet rate */
1248			u8   ratemode; /* %port relative or kbps absolute */
1249			u8   channel;  /* scheduler channel [0..N] */
1250			u8   class;    /* scheduler class [0..N] */
1251			u32  minrate;  /* minimum rate */
1252			u32  maxrate;  /* maximum rate */
1253			u16  weight;   /* percent weight */
1254			u16  pktsize;  /* average packet size */
1255			u16  burstsize;  /* burst buffer size */
1256		} params;
1257	} u;
1258};
1259
1260enum {
1261	SCHED_CLASS_TYPE_PACKET = 0,    /* class type */
1262};
1263
1264enum {
1265	SCHED_CLASS_LEVEL_CL_RL = 0,    /* class rate limiter */
1266	SCHED_CLASS_LEVEL_CH_RL = 2,    /* channel rate limiter */
1267};
1268
1269enum {
1270	SCHED_CLASS_MODE_CLASS = 0,     /* per-class scheduling */
1271	SCHED_CLASS_MODE_FLOW,          /* per-flow scheduling */
1272};
1273
1274enum {
1275	SCHED_CLASS_RATEUNIT_BITS = 0,  /* bit rate scheduling */
1276};
1277
1278enum {
1279	SCHED_CLASS_RATEMODE_ABS = 1,   /* Kb/s */
1280};
1281
1282/* Support for "sched_queue" command to allow one or more NIC TX Queues
1283 * to be bound to a TX Scheduling Class.
1284 */
1285struct ch_sched_queue {
1286	s8   queue;    /* queue index */
1287	s8   class;    /* class index */
1288};
1289
1290/* Support for "sched_flowc" command to allow one or more FLOWC
1291 * to be bound to a TX Scheduling Class.
1292 */
1293struct ch_sched_flowc {
1294	s32 tid;   /* TID to bind */
1295	s8  class; /* class index */
1296};
1297
1298/* Defined bit width of user definable filter tuples
1299 */
1300#define ETHTYPE_BITWIDTH 16
1301#define FRAG_BITWIDTH 1
1302#define MACIDX_BITWIDTH 9
1303#define FCOE_BITWIDTH 1
1304#define IPORT_BITWIDTH 3
1305#define MATCHTYPE_BITWIDTH 3
1306#define PROTO_BITWIDTH 8
1307#define TOS_BITWIDTH 8
1308#define PF_BITWIDTH 8
1309#define VF_BITWIDTH 8
1310#define IVLAN_BITWIDTH 16
1311#define OVLAN_BITWIDTH 16
1312#define ENCAP_VNI_BITWIDTH 24
1313
1314/* Filter matching rules.  These consist of a set of ingress packet field
1315 * (value, mask) tuples.  The associated ingress packet field matches the
1316 * tuple when ((field & mask) == value).  (Thus a wildcard "don't care" field
1317 * rule can be constructed by specifying a tuple of (0, 0).)  A filter rule
1318 * matches an ingress packet when all of the individual individual field
1319 * matching rules are true.
1320 *
1321 * Partial field masks are always valid, however, while it may be easy to
1322 * understand their meanings for some fields (e.g. IP address to match a
1323 * subnet), for others making sensible partial masks is less intuitive (e.g.
1324 * MPS match type) ...
1325 *
1326 * Most of the following data structures are modeled on T4 capabilities.
1327 * Drivers for earlier chips use the subsets which make sense for those chips.
1328 * We really need to come up with a hardware-independent mechanism to
1329 * represent hardware filter capabilities ...
1330 */
1331struct ch_filter_tuple {
1332	/* Compressed header matching field rules.  The TP_VLAN_PRI_MAP
1333	 * register selects which of these fields will participate in the
1334	 * filter match rules -- up to a maximum of 36 bits.  Because
1335	 * TP_VLAN_PRI_MAP is a global register, all filters must use the same
1336	 * set of fields.
1337	 */
1338	uint32_t ethtype:ETHTYPE_BITWIDTH;      /* Ethernet type */
1339	uint32_t frag:FRAG_BITWIDTH;            /* IP fragmentation header */
1340	uint32_t ivlan_vld:1;                   /* inner VLAN valid */
1341	uint32_t ovlan_vld:1;                   /* outer VLAN valid */
1342	uint32_t pfvf_vld:1;                    /* PF/VF valid */
1343	uint32_t encap_vld:1;			/* Encapsulation valid */
1344	uint32_t macidx:MACIDX_BITWIDTH;        /* exact match MAC index */
1345	uint32_t fcoe:FCOE_BITWIDTH;            /* FCoE packet */
1346	uint32_t iport:IPORT_BITWIDTH;          /* ingress port */
1347	uint32_t matchtype:MATCHTYPE_BITWIDTH;  /* MPS match type */
1348	uint32_t proto:PROTO_BITWIDTH;          /* protocol type */
1349	uint32_t tos:TOS_BITWIDTH;              /* TOS/Traffic Type */
1350	uint32_t pf:PF_BITWIDTH;                /* PCI-E PF ID */
1351	uint32_t vf:VF_BITWIDTH;                /* PCI-E VF ID */
1352	uint32_t ivlan:IVLAN_BITWIDTH;          /* inner VLAN */
1353	uint32_t ovlan:OVLAN_BITWIDTH;          /* outer VLAN */
1354	uint32_t vni:ENCAP_VNI_BITWIDTH;	/* VNI of tunnel */
1355
1356	/* Uncompressed header matching field rules.  These are always
1357	 * available for field rules.
1358	 */
1359	uint8_t lip[16];        /* local IP address (IPv4 in [3:0]) */
1360	uint8_t fip[16];        /* foreign IP address (IPv4 in [3:0]) */
1361	uint16_t lport;         /* local port */
1362	uint16_t fport;         /* foreign port */
1363};
1364
1365/* A filter ioctl command.
1366 */
1367struct ch_filter_specification {
1368	/* Administrative fields for filter.
1369	 */
1370	uint32_t hitcnts:1;     /* count filter hits in TCB */
1371	uint32_t prio:1;        /* filter has priority over active/server */
1372
1373	/* Fundamental filter typing.  This is the one element of filter
1374	 * matching that doesn't exist as a (value, mask) tuple.
1375	 */
1376	uint32_t type:1;        /* 0 => IPv4, 1 => IPv6 */
1377	u32 hash:1;		/* 0 => wild-card, 1 => exact-match */
1378
1379	/* Packet dispatch information.  Ingress packets which match the
1380	 * filter rules will be dropped, passed to the host or switched back
1381	 * out as egress packets.
1382	 */
1383	uint32_t action:2;      /* drop, pass, switch */
1384
1385	uint32_t rpttid:1;      /* report TID in RSS hash field */
1386
1387	uint32_t dirsteer:1;    /* 0 => RSS, 1 => steer to iq */
1388	uint32_t iq:10;         /* ingress queue */
1389
1390	uint32_t maskhash:1;    /* dirsteer=0: store RSS hash in TCB */
1391	uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */
1392				/*             1 => TCB contains IQ ID */
1393
1394	/* Switch proxy/rewrite fields.  An ingress packet which matches a
1395	 * filter with "switch" set will be looped back out as an egress
1396	 * packet -- potentially with some Ethernet header rewriting.
1397	 */
1398	uint32_t eport:2;       /* egress port to switch packet out */
1399	uint32_t newdmac:1;     /* rewrite destination MAC address */
1400	uint32_t newsmac:1;     /* rewrite source MAC address */
1401	uint32_t newvlan:2;     /* rewrite VLAN Tag */
1402	uint32_t nat_mode:3;    /* specify NAT operation mode */
1403	uint8_t dmac[ETH_ALEN]; /* new destination MAC address */
1404	uint8_t smac[ETH_ALEN]; /* new source MAC address */
1405	uint16_t vlan;          /* VLAN Tag to insert */
1406
1407	u8 nat_lip[16];		/* local IP to use after NAT'ing */
1408	u8 nat_fip[16];		/* foreign IP to use after NAT'ing */
1409	u16 nat_lport;		/* local port to use after NAT'ing */
1410	u16 nat_fport;		/* foreign port to use after NAT'ing */
1411
1412	u32 tc_prio;		/* TC's filter priority index */
1413	u64 tc_cookie;		/* Unique cookie identifying TC rules */
1414
1415	/* reservation for future additions */
1416	u8 rsvd[12];
1417
1418	/* Filter rule value/mask pairs.
1419	 */
1420	struct ch_filter_tuple val;
1421	struct ch_filter_tuple mask;
1422};
1423
1424enum {
1425	FILTER_PASS = 0,        /* default */
1426	FILTER_DROP,
1427	FILTER_SWITCH
1428};
1429
1430enum {
1431	VLAN_NOCHANGE = 0,      /* default */
1432	VLAN_REMOVE,
1433	VLAN_INSERT,
1434	VLAN_REWRITE
1435};
1436
1437enum {
1438	NAT_MODE_NONE = 0,	/* No NAT performed */
1439	NAT_MODE_DIP,		/* NAT on Dst IP */
1440	NAT_MODE_DIP_DP,	/* NAT on Dst IP, Dst Port */
1441	NAT_MODE_DIP_DP_SIP,	/* NAT on Dst IP, Dst Port and Src IP */
1442	NAT_MODE_DIP_DP_SP,	/* NAT on Dst IP, Dst Port and Src Port */
1443	NAT_MODE_SIP_SP,	/* NAT on Src IP and Src Port */
1444	NAT_MODE_DIP_SIP_SP,	/* NAT on Dst IP, Src IP and Src Port */
1445	NAT_MODE_ALL		/* NAT on entire 4-tuple */
1446};
1447
1448#define CXGB4_FILTER_TYPE_MAX 2
1449
1450/* Host shadow copy of ingress filter entry.  This is in host native format
1451 * and doesn't match the ordering or bit order, etc. of the hardware of the
1452 * firmware command.  The use of bit-field structure elements is purely to
1453 * remind ourselves of the field size limitations and save memory in the case
1454 * where the filter table is large.
1455 */
1456struct filter_entry {
1457	/* Administrative fields for filter. */
1458	u32 valid:1;            /* filter allocated and valid */
1459	u32 locked:1;           /* filter is administratively locked */
1460
1461	u32 pending:1;          /* filter action is pending firmware reply */
1462	struct filter_ctx *ctx; /* Caller's completion hook */
1463	struct l2t_entry *l2t;  /* Layer Two Table entry for dmac */
1464	struct smt_entry *smt;  /* Source Mac Table entry for smac */
1465	struct net_device *dev; /* Associated net device */
1466	u32 tid;                /* This will store the actual tid */
1467
1468	/* The filter itself.  Most of this is a straight copy of information
1469	 * provided by the extended ioctl().  Some fields are translated to
1470	 * internal forms -- for instance the Ingress Queue ID passed in from
1471	 * the ioctl() is translated into the Absolute Ingress Queue ID.
1472	 */
1473	struct ch_filter_specification fs;
1474};
1475
1476static inline int is_offload(const struct adapter *adap)
1477{
1478	return adap->params.offload;
1479}
1480
1481static inline int is_hashfilter(const struct adapter *adap)
1482{
1483	return adap->params.hash_filter;
1484}
1485
1486static inline int is_pci_uld(const struct adapter *adap)
1487{
1488	return adap->params.crypto;
1489}
1490
1491static inline int is_uld(const struct adapter *adap)
1492{
1493	return (adap->params.offload || adap->params.crypto);
1494}
1495
1496static inline int is_ethofld(const struct adapter *adap)
1497{
1498	return adap->params.ethofld;
1499}
1500
1501static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
1502{
1503	return readl(adap->regs + reg_addr);
1504}
1505
1506static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val)
1507{
1508	writel(val, adap->regs + reg_addr);
1509}
1510
1511#ifndef readq
1512static inline u64 readq(const volatile void __iomem *addr)
1513{
1514	return readl(addr) + ((u64)readl(addr + 4) << 32);
1515}
1516
1517static inline void writeq(u64 val, volatile void __iomem *addr)
1518{
1519	writel(val, addr);
1520	writel(val >> 32, addr + 4);
1521}
1522#endif
1523
1524static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
1525{
1526	return readq(adap->regs + reg_addr);
1527}
1528
1529static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
1530{
1531	writeq(val, adap->regs + reg_addr);
1532}
1533
1534/**
1535 * t4_set_hw_addr - store a port's MAC address in SW
1536 * @adapter: the adapter
1537 * @port_idx: the port index
1538 * @hw_addr: the Ethernet address
1539 *
1540 * Store the Ethernet address of the given port in SW.  Called by the common
1541 * code when it retrieves a port's Ethernet address from EEPROM.
1542 */
1543static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx,
1544				  u8 hw_addr[])
1545{
1546	eth_hw_addr_set(adapter->port[port_idx], hw_addr);
1547	ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr);
1548}
1549
1550/**
1551 * netdev2pinfo - return the port_info structure associated with a net_device
1552 * @dev: the netdev
1553 *
1554 * Return the struct port_info associated with a net_device
1555 */
1556static inline struct port_info *netdev2pinfo(const struct net_device *dev)
1557{
1558	return netdev_priv(dev);
1559}
1560
1561/**
1562 * adap2pinfo - return the port_info of a port
1563 * @adap: the adapter
1564 * @idx: the port index
1565 *
1566 * Return the port_info structure for the port of the given index.
1567 */
1568static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
1569{
1570	return netdev_priv(adap->port[idx]);
1571}
1572
1573/**
1574 * netdev2adap - return the adapter structure associated with a net_device
1575 * @dev: the netdev
1576 *
1577 * Return the struct adapter associated with a net_device
1578 */
1579static inline struct adapter *netdev2adap(const struct net_device *dev)
1580{
1581	return netdev2pinfo(dev)->adapter;
1582}
1583
1584/* Return a version number to identify the type of adapter.  The scheme is:
1585 * - bits 0..9: chip version
1586 * - bits 10..15: chip revision
1587 * - bits 16..23: register dump version
1588 */
1589static inline unsigned int mk_adap_vers(struct adapter *ap)
1590{
1591	return CHELSIO_CHIP_VERSION(ap->params.chip) |
1592		(CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
1593}
1594
1595/* Return a queue's interrupt hold-off time in us.  0 means no timer. */
1596static inline unsigned int qtimer_val(const struct adapter *adap,
1597				      const struct sge_rspq *q)
1598{
1599	unsigned int idx = q->intr_params >> 1;
1600
1601	return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0;
1602}
1603
1604/* driver name used for ethtool_drvinfo */
1605extern char cxgb4_driver_name[];
1606
1607void t4_os_portmod_changed(struct adapter *adap, int port_id);
1608void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
1609
1610void t4_free_sge_resources(struct adapter *adap);
1611void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
1612irq_handler_t t4_intr_handler(struct adapter *adap);
1613netdev_tx_t t4_start_xmit(struct sk_buff *skb, struct net_device *dev);
1614int cxgb4_selftest_lb_pkt(struct net_device *netdev);
1615int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
1616		     const struct pkt_gl *gl);
1617int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
1618int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
1619int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
1620		     struct net_device *dev, int intr_idx,
1621		     struct sge_fl *fl, rspq_handler_t hnd,
1622		     rspq_flush_handler_t flush_handler, int cong);
1623int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
1624			 struct net_device *dev, struct netdev_queue *netdevq,
1625			 unsigned int iqid, u8 dbqt);
1626int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq,
1627			  struct net_device *dev, unsigned int iqid,
1628			  unsigned int cmplqid);
1629int t4_sge_mod_ctrl_txq(struct adapter *adap, unsigned int eqid,
1630			unsigned int cmplqid);
1631int t4_sge_alloc_uld_txq(struct adapter *adap, struct sge_uld_txq *txq,
1632			 struct net_device *dev, unsigned int iqid,
1633			 unsigned int uld_type);
1634int t4_sge_alloc_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq,
1635			     struct net_device *dev, u32 iqid);
1636void t4_sge_free_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq);
1637irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
1638int t4_sge_init(struct adapter *adap);
1639void t4_sge_start(struct adapter *adap);
1640void t4_sge_stop(struct adapter *adap);
1641int t4_sge_eth_txq_egress_update(struct adapter *adap, struct sge_eth_txq *q,
1642				 int maxreclaim);
1643void cxgb4_set_ethtool_ops(struct net_device *netdev);
1644int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
1645enum cpl_tx_tnl_lso_type cxgb_encap_offload_supported(struct sk_buff *skb);
1646extern int dbfifo_int_thresh;
1647
1648#define for_each_port(adapter, iter) \
1649	for (iter = 0; iter < (adapter)->params.nports; ++iter)
1650
1651static inline int is_bypass(struct adapter *adap)
1652{
1653	return adap->params.bypass;
1654}
1655
1656static inline int is_bypass_device(int device)
1657{
1658	/* this should be set based upon device capabilities */
1659	switch (device) {
1660	case 0x440b:
1661	case 0x440c:
1662		return 1;
1663	default:
1664		return 0;
1665	}
1666}
1667
1668static inline int is_10gbt_device(int device)
1669{
1670	/* this should be set based upon device capabilities */
1671	switch (device) {
1672	case 0x4409:
1673	case 0x4486:
1674		return 1;
1675
1676	default:
1677		return 0;
1678	}
1679}
1680
1681static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
1682{
1683	return adap->params.vpd.cclk / 1000;
1684}
1685
1686static inline unsigned int us_to_core_ticks(const struct adapter *adap,
1687					    unsigned int us)
1688{
1689	return (us * adap->params.vpd.cclk) / 1000;
1690}
1691
1692static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
1693					    unsigned int ticks)
1694{
1695	/* add Core Clock / 2 to round ticks to nearest uS */
1696	return ((ticks * 1000 + adapter->params.vpd.cclk/2) /
1697		adapter->params.vpd.cclk);
1698}
1699
1700static inline unsigned int dack_ticks_to_usec(const struct adapter *adap,
1701					      unsigned int ticks)
1702{
1703	return (ticks << adap->params.tp.dack_re) / core_ticks_per_usec(adap);
1704}
1705
1706void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
1707		      u32 val);
1708
1709int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
1710			    int size, void *rpl, bool sleep_ok, int timeout);
1711int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
1712		    void *rpl, bool sleep_ok);
1713
1714static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox,
1715				     const void *cmd, int size, void *rpl,
1716				     int timeout)
1717{
1718	return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true,
1719				       timeout);
1720}
1721
1722static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd,
1723			     int size, void *rpl)
1724{
1725	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true);
1726}
1727
1728static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
1729				int size, void *rpl)
1730{
1731	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false);
1732}
1733
1734/**
1735 *	hash_mac_addr - return the hash value of a MAC address
1736 *	@addr: the 48-bit Ethernet MAC address
1737 *
1738 *	Hashes a MAC address according to the hash function used by HW inexact
1739 *	(hash) address matching.
1740 */
1741static inline int hash_mac_addr(const u8 *addr)
1742{
1743	u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
1744	u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
1745
1746	a ^= b;
1747	a ^= (a >> 12);
1748	a ^= (a >> 6);
1749	return a & 0x3f;
1750}
1751
1752int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
1753			       unsigned int cnt);
1754static inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
1755			     unsigned int us, unsigned int cnt,
1756			     unsigned int size, unsigned int iqe_size)
1757{
1758	q->adap = adap;
1759	cxgb4_set_rspq_intr_params(q, us, cnt);
1760	q->iqe_len = iqe_size;
1761	q->size = size;
1762}
1763
1764/**
1765 *     t4_is_inserted_mod_type - is a plugged in Firmware Module Type
1766 *     @fw_mod_type: the Firmware Mofule Type
1767 *
1768 *     Return whether the Firmware Module Type represents a real Transceiver
1769 *     Module/Cable Module Type which has been inserted.
1770 */
1771static inline bool t4_is_inserted_mod_type(unsigned int fw_mod_type)
1772{
1773	return (fw_mod_type != FW_PORT_MOD_TYPE_NONE &&
1774		fw_mod_type != FW_PORT_MOD_TYPE_NOTSUPPORTED &&
1775		fw_mod_type != FW_PORT_MOD_TYPE_UNKNOWN &&
1776		fw_mod_type != FW_PORT_MOD_TYPE_ERROR);
1777}
1778
1779void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
1780		       unsigned int data_reg, const u32 *vals,
1781		       unsigned int nregs, unsigned int start_idx);
1782void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
1783		      unsigned int data_reg, u32 *vals, unsigned int nregs,
1784		      unsigned int start_idx);
1785void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
1786
1787struct fw_filter_wr;
1788
1789void t4_intr_enable(struct adapter *adapter);
1790void t4_intr_disable(struct adapter *adapter);
1791int t4_slow_intr_handler(struct adapter *adapter);
1792
1793int t4_wait_dev_ready(void __iomem *regs);
1794
1795fw_port_cap32_t t4_link_acaps(struct adapter *adapter, unsigned int port,
1796			      struct link_config *lc);
1797int t4_link_l1cfg_core(struct adapter *adap, unsigned int mbox,
1798		       unsigned int port, struct link_config *lc,
1799		       u8 sleep_ok, int timeout);
1800
1801static inline int t4_link_l1cfg(struct adapter *adapter, unsigned int mbox,
1802				unsigned int port, struct link_config *lc)
1803{
1804	return t4_link_l1cfg_core(adapter, mbox, port, lc,
1805				  true, FW_CMD_MAX_TIMEOUT);
1806}
1807
1808static inline int t4_link_l1cfg_ns(struct adapter *adapter, unsigned int mbox,
1809				   unsigned int port, struct link_config *lc)
1810{
1811	return t4_link_l1cfg_core(adapter, mbox, port, lc,
1812				  false, FW_CMD_MAX_TIMEOUT);
1813}
1814
1815int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
1816
1817u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
1818u32 t4_get_util_window(struct adapter *adap);
1819void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
1820
1821int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off,
1822		      u32 *mem_base, u32 *mem_aperture);
1823void t4_memory_update_win(struct adapter *adap, int win, u32 addr);
1824void t4_memory_rw_residual(struct adapter *adap, u32 off, u32 addr, u8 *buf,
1825			   int dir);
1826#define T4_MEMORY_WRITE	0
1827#define T4_MEMORY_READ	1
1828int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
1829		 void *buf, int dir);
1830static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
1831				  u32 len, __be32 *buf)
1832{
1833	return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0);
1834}
1835
1836unsigned int t4_get_regs_len(struct adapter *adapter);
1837void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
1838
1839int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz);
1840int t4_seeprom_wp(struct adapter *adapter, bool enable);
1841int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
1842int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
1843int t4_get_pfres(struct adapter *adapter);
1844int t4_read_flash(struct adapter *adapter, unsigned int addr,
1845		  unsigned int nwords, u32 *data, int byte_oriented);
1846int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
1847int t4_load_phy_fw(struct adapter *adap, int win,
1848		   int (*phy_fw_version)(const u8 *, size_t),
1849		   const u8 *phy_fw_data, size_t phy_fw_size);
1850int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver);
1851int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op);
1852int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1853		  const u8 *fw_data, unsigned int size, int force);
1854int t4_fl_pkt_align(struct adapter *adap);
1855unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1856int t4_check_fw_version(struct adapter *adap);
1857int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
1858int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1859int t4_get_bs_version(struct adapter *adapter, u32 *vers);
1860int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1861int t4_get_exprom_version(struct adapter *adapter, u32 *vers);
1862int t4_get_scfg_version(struct adapter *adapter, u32 *vers);
1863int t4_get_vpd_version(struct adapter *adapter, u32 *vers);
1864int t4_get_version_info(struct adapter *adapter);
1865void t4_dump_version_info(struct adapter *adapter);
1866int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
1867	       const u8 *fw_data, unsigned int fw_size,
1868	       struct fw_hdr *card_fw, enum dev_state state, int *reset);
1869int t4_prep_adapter(struct adapter *adapter);
1870int t4_shutdown_adapter(struct adapter *adapter);
1871
1872enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1873int t4_bar2_sge_qregs(struct adapter *adapter,
1874		      unsigned int qid,
1875		      enum t4_bar2_qtype qtype,
1876		      int user,
1877		      u64 *pbar2_qoffset,
1878		      unsigned int *pbar2_qid);
1879
1880unsigned int qtimer_val(const struct adapter *adap,
1881			const struct sge_rspq *q);
1882
1883int t4_init_devlog_params(struct adapter *adapter);
1884int t4_init_sge_params(struct adapter *adapter);
1885int t4_init_tp_params(struct adapter *adap, bool sleep_ok);
1886int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1887int t4_init_rss_mode(struct adapter *adap, int mbox);
1888int t4_init_portinfo(struct port_info *pi, int mbox,
1889		     int port, int pf, int vf, u8 mac[]);
1890int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1891int t4_init_port_mirror(struct port_info *pi, u8 mbox, u8 port, u8 pf, u8 vf,
1892			u16 *mirror_viid);
1893void t4_fatal_err(struct adapter *adapter);
1894unsigned int t4_chip_rss_size(struct adapter *adapter);
1895int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1896			int start, int n, const u16 *rspq, unsigned int nrspq);
1897int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1898		       unsigned int flags);
1899int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
1900		     unsigned int flags, unsigned int defq);
1901int t4_read_rss(struct adapter *adapter, u16 *entries);
1902void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok);
1903void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
1904		      bool sleep_ok);
1905void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
1906			   u32 *valp, bool sleep_ok);
1907void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
1908			   u32 *vfl, u32 *vfh, bool sleep_ok);
1909u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok);
1910u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok);
1911
1912unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx);
1913unsigned int t4_get_tp_ch_map(struct adapter *adapter, int pidx);
1914void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1915void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1916int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data,
1917		    size_t n);
1918int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data,
1919		    size_t n);
1920int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1921		unsigned int *valp);
1922int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1923		 const unsigned int *valp);
1924int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
1925void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
1926			unsigned int *pif_req_wrptr,
1927			unsigned int *pif_rsp_wrptr);
1928void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp);
1929void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
1930const char *t4_get_port_type_description(enum fw_port_type port_type);
1931void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1932void t4_get_port_stats_offset(struct adapter *adap, int idx,
1933			      struct port_stats *stats,
1934			      struct port_stats *offset);
1935void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p);
1936void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1937void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
1938void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1939			    unsigned int mask, unsigned int val);
1940void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
1941void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
1942			 bool sleep_ok);
1943void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
1944			 bool sleep_ok);
1945void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
1946			  bool sleep_ok);
1947void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
1948		      bool sleep_ok);
1949void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1950			 struct tp_tcp_stats *v6, bool sleep_ok);
1951void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
1952		       struct tp_fcoe_stats *st, bool sleep_ok);
1953void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1954		  const unsigned short *alpha, const unsigned short *beta);
1955
1956void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf);
1957
1958void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
1959void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1960
1961void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
1962			 const u8 *addr);
1963int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
1964		      u64 mask0, u64 mask1, unsigned int crc, bool enable);
1965
1966int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1967		enum dev_master master, enum dev_state *state);
1968int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1969int t4_early_init(struct adapter *adap, unsigned int mbox);
1970int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1971int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1972			  unsigned int cache_line_size);
1973int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1974int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1975		    unsigned int vf, unsigned int nparams, const u32 *params,
1976		    u32 *val);
1977int t4_query_params_ns(struct adapter *adap, unsigned int mbox, unsigned int pf,
1978		       unsigned int vf, unsigned int nparams, const u32 *params,
1979		       u32 *val);
1980int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
1981		       unsigned int vf, unsigned int nparams, const u32 *params,
1982		       u32 *val, int rw, bool sleep_ok);
1983int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
1984			  unsigned int pf, unsigned int vf,
1985			  unsigned int nparams, const u32 *params,
1986			  const u32 *val, int timeout);
1987int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1988		  unsigned int vf, unsigned int nparams, const u32 *params,
1989		  const u32 *val);
1990int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
1991		unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
1992		unsigned int rxqi, unsigned int rxq, unsigned int tc,
1993		unsigned int vi, unsigned int cmask, unsigned int pmask,
1994		unsigned int nexact, unsigned int rcaps, unsigned int wxcaps);
1995int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
1996		unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
1997		unsigned int *rss_size, u8 *vivld, u8 *vin);
1998int t4_free_vi(struct adapter *adap, unsigned int mbox,
1999	       unsigned int pf, unsigned int vf,
2000	       unsigned int viid);
2001int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
2002		  unsigned int viid_mirror, int mtu, int promisc, int all_multi,
2003		  int bcast, int vlanex, bool sleep_ok);
2004int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
2005			 const u8 *addr, const u8 *mask, unsigned int idx,
2006			 u8 lookup_type, u8 port_id, bool sleep_ok);
2007int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid, int idx,
2008			   bool sleep_ok);
2009int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
2010			    const u8 *addr, const u8 *mask, unsigned int vni,
2011			    unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
2012			    bool sleep_ok);
2013int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
2014			  const u8 *addr, const u8 *mask, unsigned int idx,
2015			  u8 lookup_type, u8 port_id, bool sleep_ok);
2016int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
2017		      unsigned int viid, bool free, unsigned int naddr,
2018		      const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok);
2019int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
2020		     unsigned int viid, unsigned int naddr,
2021		     const u8 **addr, bool sleep_ok);
2022int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
2023		  int idx, const u8 *addr, bool persist, u8 *smt_idx);
2024int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
2025		     bool ucast, u64 vec, bool sleep_ok);
2026int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
2027			unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
2028int t4_enable_pi_params(struct adapter *adap, unsigned int mbox,
2029			struct port_info *pi,
2030			bool rx_en, bool tx_en, bool dcb_en);
2031int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
2032		 bool rx_en, bool tx_en);
2033int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
2034		     unsigned int nblinks);
2035int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
2036	       unsigned int mmd, unsigned int reg, u16 *valp);
2037int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
2038	       unsigned int mmd, unsigned int reg, u16 val);
2039int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
2040	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
2041	       unsigned int fl0id, unsigned int fl1id);
2042int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2043	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
2044	       unsigned int fl0id, unsigned int fl1id);
2045int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2046		   unsigned int vf, unsigned int eqid);
2047int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2048		    unsigned int vf, unsigned int eqid);
2049int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2050		    unsigned int vf, unsigned int eqid);
2051int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type);
2052int t4_read_sge_dbqtimers(struct adapter *adap, unsigned int ndbqtimers,
2053			  u16 *dbqtimers);
2054void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl);
2055int t4_update_port_info(struct port_info *pi);
2056int t4_get_link_params(struct port_info *pi, unsigned int *link_okp,
2057		       unsigned int *speedp, unsigned int *mtup);
2058int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
2059void t4_db_full(struct adapter *adapter);
2060void t4_db_dropped(struct adapter *adapter);
2061int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
2062			int filter_index, int enable);
2063void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
2064			 int filter_index, int *enabled);
2065int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
2066			 u32 addr, u32 val);
2067void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);
2068void t4_get_tx_sched(struct adapter *adap, unsigned int sched,
2069		     unsigned int *kbps, unsigned int *ipg, bool sleep_ok);
2070int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
2071		   enum ctxt_type ctype, u32 *data);
2072int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
2073		      enum ctxt_type ctype, u32 *data);
2074int t4_sched_params(struct adapter *adapter, u8 type, u8 level, u8 mode,
2075		    u8 rateunit, u8 ratemode, u8 channel, u8 class,
2076		    u32 minrate, u32 maxrate, u16 weight, u16 pktsize,
2077		    u16 burstsize);
2078void t4_sge_decode_idma_state(struct adapter *adapter, int state);
2079void t4_idma_monitor_init(struct adapter *adapter,
2080			  struct sge_idma_monitor_state *idma);
2081void t4_idma_monitor(struct adapter *adapter,
2082		     struct sge_idma_monitor_state *idma,
2083		     int hz, int ticks);
2084int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf,
2085		      unsigned int naddr, u8 *addr);
2086void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
2087		    u32 start_index, bool sleep_ok);
2088void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
2089		       u32 start_index, bool sleep_ok);
2090void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
2091		    u32 start_index, bool sleep_ok);
2092
2093void t4_uld_mem_free(struct adapter *adap);
2094int t4_uld_mem_alloc(struct adapter *adap);
2095void t4_uld_clean_up(struct adapter *adap);
2096void t4_register_netevent_notifier(void);
2097int t4_i2c_rd(struct adapter *adap, unsigned int mbox, int port,
2098	      unsigned int devid, unsigned int offset,
2099	      unsigned int len, u8 *buf);
2100int t4_load_boot(struct adapter *adap, u8 *boot_data,
2101		 unsigned int boot_addr, unsigned int size);
2102int t4_load_bootcfg(struct adapter *adap,
2103		    const u8 *cfg_data, unsigned int size);
2104void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl);
2105void free_tx_desc(struct adapter *adap, struct sge_txq *q,
2106		  unsigned int n, bool unmap);
2107void cxgb4_eosw_txq_free_desc(struct adapter *adap, struct sge_eosw_txq *txq,
2108			      u32 ndesc);
2109int cxgb4_ethofld_send_flowc(struct net_device *dev, u32 eotid, u32 tc);
2110void cxgb4_ethofld_restart(struct tasklet_struct *t);
2111int cxgb4_ethofld_rx_handler(struct sge_rspq *q, const __be64 *rsp,
2112			     const struct pkt_gl *si);
2113void free_txq(struct adapter *adap, struct sge_txq *q);
2114void cxgb4_reclaim_completed_tx(struct adapter *adap,
2115				struct sge_txq *q, bool unmap);
2116int cxgb4_map_skb(struct device *dev, const struct sk_buff *skb,
2117		  dma_addr_t *addr);
2118void cxgb4_inline_tx_skb(const struct sk_buff *skb, const struct sge_txq *q,
2119			 void *pos);
2120void cxgb4_write_sgl(const struct sk_buff *skb, struct sge_txq *q,
2121		     struct ulptx_sgl *sgl, u64 *end, unsigned int start,
2122		     const dma_addr_t *addr);
2123void cxgb4_write_partial_sgl(const struct sk_buff *skb, struct sge_txq *q,
2124			     struct ulptx_sgl *sgl, u64 *end,
2125			     const dma_addr_t *addr, u32 start, u32 send_len);
2126void cxgb4_ring_tx_db(struct adapter *adap, struct sge_txq *q, int n);
2127int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
2128		    u16 vlan);
2129int cxgb4_dcb_enabled(const struct net_device *dev);
2130
2131int cxgb4_thermal_init(struct adapter *adap);
2132int cxgb4_thermal_remove(struct adapter *adap);
2133int cxgb4_set_msix_aff(struct adapter *adap, unsigned short vec,
2134		       cpumask_var_t *aff_mask, int idx);
2135void cxgb4_clear_msix_aff(unsigned short vec, cpumask_var_t aff_mask);
2136
2137int cxgb4_change_mac(struct port_info *pi, unsigned int viid,
2138		     int *tcam_idx, const u8 *addr,
2139		     bool persistent, u8 *smt_idx);
2140
2141int cxgb4_alloc_mac_filt(struct adapter *adap, unsigned int viid,
2142			 bool free, unsigned int naddr,
2143			 const u8 **addr, u16 *idx,
2144			 u64 *hash, bool sleep_ok);
2145int cxgb4_free_mac_filt(struct adapter *adap, unsigned int viid,
2146			unsigned int naddr, const u8 **addr, bool sleep_ok);
2147int cxgb4_init_mps_ref_entries(struct adapter *adap);
2148void cxgb4_free_mps_ref_entries(struct adapter *adap);
2149int cxgb4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
2150			       const u8 *addr, const u8 *mask,
2151			       unsigned int vni, unsigned int vni_mask,
2152			       u8 dip_hit, u8 lookup_type, bool sleep_ok);
2153int cxgb4_free_encap_mac_filt(struct adapter *adap, unsigned int viid,
2154			      int idx, bool sleep_ok);
2155int cxgb4_free_raw_mac_filt(struct adapter *adap,
2156			    unsigned int viid,
2157			    const u8 *addr,
2158			    const u8 *mask,
2159			    unsigned int idx,
2160			    u8 lookup_type,
2161			    u8 port_id,
2162			    bool sleep_ok);
2163int cxgb4_alloc_raw_mac_filt(struct adapter *adap,
2164			     unsigned int viid,
2165			     const u8 *addr,
2166			     const u8 *mask,
2167			     unsigned int idx,
2168			     u8 lookup_type,
2169			     u8 port_id,
2170			     bool sleep_ok);
2171int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid,
2172			  int *tcam_idx, const u8 *addr,
2173			  bool persistent, u8 *smt_idx);
2174int cxgb4_get_msix_idx_from_bmap(struct adapter *adap);
2175void cxgb4_free_msix_idx_in_bmap(struct adapter *adap, u32 msix_idx);
2176void cxgb4_enable_rx(struct adapter *adap, struct sge_rspq *q);
2177void cxgb4_quiesce_rx(struct sge_rspq *q);
2178int cxgb4_port_mirror_alloc(struct net_device *dev);
2179void cxgb4_port_mirror_free(struct net_device *dev);
2180#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
2181int cxgb4_set_ktls_feature(struct adapter *adap, bool enable);
2182#endif
2183#endif /* __CXGB4_H__ */
2184