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/interrupt.h>
43 #include <linux/list.h>
44 #include <linux/netdevice.h>
45 #include <linux/pci.h>
46 #include <linux/spinlock.h>
47 #include <linux/timer.h>
48 #include <linux/vmalloc.h>
49 #include <linux/etherdevice.h>
50 #include <linux/net_tstamp.h>
51 #include <linux/ptp_clock_kernel.h>
52 #include <linux/ptp_classify.h>
53 #include <linux/crash_dump.h>
54 #include <asm/io.h>
55 #include "t4_chip_type.h"
56 #include "cxgb4_uld.h"
57 
58 #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
59 extern struct list_head adapter_list;
60 extern struct mutex uld_mutex;
61 
62 /* Suspend an Ethernet Tx queue with fewer available descriptors than this.
63  * This is the same as calc_tx_descs() for a TSO packet with
64  * nr_frags == MAX_SKB_FRAGS.
65  */
66 #define ETHTXQ_STOP_THRES \
67 	(1 + DIV_ROUND_UP((3 * MAX_SKB_FRAGS) / 2 + (MAX_SKB_FRAGS & 1), 8))
68 
69 enum {
70 	MAX_NPORTS	= 4,     /* max # of ports */
71 	SERNUM_LEN	= 24,    /* Serial # length */
72 	EC_LEN		= 16,    /* E/C length */
73 	ID_LEN		= 16,    /* ID length */
74 	PN_LEN		= 16,    /* Part Number length */
75 	MACADDR_LEN	= 12,    /* MAC Address length */
76 };
77 
78 enum {
79 	T4_REGMAP_SIZE = (160 * 1024),
80 	T5_REGMAP_SIZE = (332 * 1024),
81 };
82 
83 enum {
84 	MEM_EDC0,
85 	MEM_EDC1,
86 	MEM_MC,
87 	MEM_MC0 = MEM_MC,
88 	MEM_MC1,
89 	MEM_HMA,
90 };
91 
92 enum {
93 	MEMWIN0_APERTURE = 2048,
94 	MEMWIN0_BASE     = 0x1b800,
95 	MEMWIN1_APERTURE = 32768,
96 	MEMWIN1_BASE     = 0x28000,
97 	MEMWIN1_BASE_T5  = 0x52000,
98 	MEMWIN2_APERTURE = 65536,
99 	MEMWIN2_BASE     = 0x30000,
100 	MEMWIN2_APERTURE_T5 = 131072,
101 	MEMWIN2_BASE_T5  = 0x60000,
102 };
103 
104 enum dev_master {
105 	MASTER_CANT,
106 	MASTER_MAY,
107 	MASTER_MUST
108 };
109 
110 enum dev_state {
111 	DEV_STATE_UNINIT,
112 	DEV_STATE_INIT,
113 	DEV_STATE_ERR
114 };
115 
116 enum cc_pause {
117 	PAUSE_RX      = 1 << 0,
118 	PAUSE_TX      = 1 << 1,
119 	PAUSE_AUTONEG = 1 << 2
120 };
121 
122 enum cc_fec {
123 	FEC_AUTO      = 1 << 0,	 /* IEEE 802.3 "automatic" */
124 	FEC_RS        = 1 << 1,  /* Reed-Solomon */
125 	FEC_BASER_RS  = 1 << 2   /* BaseR/Reed-Solomon */
126 };
127 
128 struct port_stats {
129 	u64 tx_octets;            /* total # of octets in good frames */
130 	u64 tx_frames;            /* all good frames */
131 	u64 tx_bcast_frames;      /* all broadcast frames */
132 	u64 tx_mcast_frames;      /* all multicast frames */
133 	u64 tx_ucast_frames;      /* all unicast frames */
134 	u64 tx_error_frames;      /* all error frames */
135 
136 	u64 tx_frames_64;         /* # of Tx frames in a particular range */
137 	u64 tx_frames_65_127;
138 	u64 tx_frames_128_255;
139 	u64 tx_frames_256_511;
140 	u64 tx_frames_512_1023;
141 	u64 tx_frames_1024_1518;
142 	u64 tx_frames_1519_max;
143 
144 	u64 tx_drop;              /* # of dropped Tx frames */
145 	u64 tx_pause;             /* # of transmitted pause frames */
146 	u64 tx_ppp0;              /* # of transmitted PPP prio 0 frames */
147 	u64 tx_ppp1;              /* # of transmitted PPP prio 1 frames */
148 	u64 tx_ppp2;              /* # of transmitted PPP prio 2 frames */
149 	u64 tx_ppp3;              /* # of transmitted PPP prio 3 frames */
150 	u64 tx_ppp4;              /* # of transmitted PPP prio 4 frames */
151 	u64 tx_ppp5;              /* # of transmitted PPP prio 5 frames */
152 	u64 tx_ppp6;              /* # of transmitted PPP prio 6 frames */
153 	u64 tx_ppp7;              /* # of transmitted PPP prio 7 frames */
154 
155 	u64 rx_octets;            /* total # of octets in good frames */
156 	u64 rx_frames;            /* all good frames */
157 	u64 rx_bcast_frames;      /* all broadcast frames */
158 	u64 rx_mcast_frames;      /* all multicast frames */
159 	u64 rx_ucast_frames;      /* all unicast frames */
160 	u64 rx_too_long;          /* # of frames exceeding MTU */
161 	u64 rx_jabber;            /* # of jabber frames */
162 	u64 rx_fcs_err;           /* # of received frames with bad FCS */
163 	u64 rx_len_err;           /* # of received frames with length error */
164 	u64 rx_symbol_err;        /* symbol errors */
165 	u64 rx_runt;              /* # of short frames */
166 
167 	u64 rx_frames_64;         /* # of Rx frames in a particular range */
168 	u64 rx_frames_65_127;
169 	u64 rx_frames_128_255;
170 	u64 rx_frames_256_511;
171 	u64 rx_frames_512_1023;
172 	u64 rx_frames_1024_1518;
173 	u64 rx_frames_1519_max;
174 
175 	u64 rx_pause;             /* # of received pause frames */
176 	u64 rx_ppp0;              /* # of received PPP prio 0 frames */
177 	u64 rx_ppp1;              /* # of received PPP prio 1 frames */
178 	u64 rx_ppp2;              /* # of received PPP prio 2 frames */
179 	u64 rx_ppp3;              /* # of received PPP prio 3 frames */
180 	u64 rx_ppp4;              /* # of received PPP prio 4 frames */
181 	u64 rx_ppp5;              /* # of received PPP prio 5 frames */
182 	u64 rx_ppp6;              /* # of received PPP prio 6 frames */
183 	u64 rx_ppp7;              /* # of received PPP prio 7 frames */
184 
185 	u64 rx_ovflow0;           /* drops due to buffer-group 0 overflows */
186 	u64 rx_ovflow1;           /* drops due to buffer-group 1 overflows */
187 	u64 rx_ovflow2;           /* drops due to buffer-group 2 overflows */
188 	u64 rx_ovflow3;           /* drops due to buffer-group 3 overflows */
189 	u64 rx_trunc0;            /* buffer-group 0 truncated packets */
190 	u64 rx_trunc1;            /* buffer-group 1 truncated packets */
191 	u64 rx_trunc2;            /* buffer-group 2 truncated packets */
192 	u64 rx_trunc3;            /* buffer-group 3 truncated packets */
193 };
194 
195 struct lb_port_stats {
196 	u64 octets;
197 	u64 frames;
198 	u64 bcast_frames;
199 	u64 mcast_frames;
200 	u64 ucast_frames;
201 	u64 error_frames;
202 
203 	u64 frames_64;
204 	u64 frames_65_127;
205 	u64 frames_128_255;
206 	u64 frames_256_511;
207 	u64 frames_512_1023;
208 	u64 frames_1024_1518;
209 	u64 frames_1519_max;
210 
211 	u64 drop;
212 
213 	u64 ovflow0;
214 	u64 ovflow1;
215 	u64 ovflow2;
216 	u64 ovflow3;
217 	u64 trunc0;
218 	u64 trunc1;
219 	u64 trunc2;
220 	u64 trunc3;
221 };
222 
223 struct tp_tcp_stats {
224 	u32 tcp_out_rsts;
225 	u64 tcp_in_segs;
226 	u64 tcp_out_segs;
227 	u64 tcp_retrans_segs;
228 };
229 
230 struct tp_usm_stats {
231 	u32 frames;
232 	u32 drops;
233 	u64 octets;
234 };
235 
236 struct tp_fcoe_stats {
237 	u32 frames_ddp;
238 	u32 frames_drop;
239 	u64 octets_ddp;
240 };
241 
242 struct tp_err_stats {
243 	u32 mac_in_errs[4];
244 	u32 hdr_in_errs[4];
245 	u32 tcp_in_errs[4];
246 	u32 tnl_cong_drops[4];
247 	u32 ofld_chan_drops[4];
248 	u32 tnl_tx_drops[4];
249 	u32 ofld_vlan_drops[4];
250 	u32 tcp6_in_errs[4];
251 	u32 ofld_no_neigh;
252 	u32 ofld_cong_defer;
253 };
254 
255 struct tp_cpl_stats {
256 	u32 req[4];
257 	u32 rsp[4];
258 };
259 
260 struct tp_rdma_stats {
261 	u32 rqe_dfr_pkt;
262 	u32 rqe_dfr_mod;
263 };
264 
265 struct sge_params {
266 	u32 hps;			/* host page size for our PF/VF */
267 	u32 eq_qpp;			/* egress queues/page for our PF/VF */
268 	u32 iq_qpp;			/* egress queues/page for our PF/VF */
269 };
270 
271 struct tp_params {
272 	unsigned int tre;            /* log2 of core clocks per TP tick */
273 	unsigned int la_mask;        /* what events are recorded by TP LA */
274 	unsigned short tx_modq_map;  /* TX modulation scheduler queue to */
275 				     /* channel map */
276 
277 	uint32_t dack_re;            /* DACK timer resolution */
278 	unsigned short tx_modq[NCHAN];	/* channel to modulation queue map */
279 
280 	u32 vlan_pri_map;               /* cached TP_VLAN_PRI_MAP */
281 	u32 ingress_config;             /* cached TP_INGRESS_CONFIG */
282 
283 	/* cached TP_OUT_CONFIG compressed error vector
284 	 * and passing outer header info for encapsulated packets.
285 	 */
286 	int rx_pkt_encap;
287 
288 	/* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets.  This is a
289 	 * subset of the set of fields which may be present in the Compressed
290 	 * Filter Tuple portion of filters and TCP TCB connections.  The
291 	 * fields which are present are controlled by the TP_VLAN_PRI_MAP.
292 	 * Since a variable number of fields may or may not be present, their
293 	 * shifted field positions within the Compressed Filter Tuple may
294 	 * vary, or not even be present if the field isn't selected in
295 	 * TP_VLAN_PRI_MAP.  Since some of these fields are needed in various
296 	 * places we store their offsets here, or a -1 if the field isn't
297 	 * present.
298 	 */
299 	int fcoe_shift;
300 	int port_shift;
301 	int vnic_shift;
302 	int vlan_shift;
303 	int tos_shift;
304 	int protocol_shift;
305 	int ethertype_shift;
306 	int macmatch_shift;
307 	int matchtype_shift;
308 	int frag_shift;
309 
310 	u64 hash_filter_mask;
311 };
312 
313 struct vpd_params {
314 	unsigned int cclk;
315 	u8 ec[EC_LEN + 1];
316 	u8 sn[SERNUM_LEN + 1];
317 	u8 id[ID_LEN + 1];
318 	u8 pn[PN_LEN + 1];
319 	u8 na[MACADDR_LEN + 1];
320 };
321 
322 struct pci_params {
323 	unsigned int vpd_cap_addr;
324 	unsigned char speed;
325 	unsigned char width;
326 };
327 
328 struct devlog_params {
329 	u32 memtype;                    /* which memory (EDC0, EDC1, MC) */
330 	u32 start;                      /* start of log in firmware memory */
331 	u32 size;                       /* size of log */
332 };
333 
334 /* Stores chip specific parameters */
335 struct arch_specific_params {
336 	u8 nchan;
337 	u8 pm_stats_cnt;
338 	u8 cng_ch_bits_log;		/* congestion channel map bits width */
339 	u16 mps_rplc_size;
340 	u16 vfcount;
341 	u32 sge_fl_db;
342 	u16 mps_tcam_size;
343 };
344 
345 struct adapter_params {
346 	struct sge_params sge;
347 	struct tp_params  tp;
348 	struct vpd_params vpd;
349 	struct pci_params pci;
350 	struct devlog_params devlog;
351 	enum pcie_memwin drv_memwin;
352 
353 	unsigned int cim_la_size;
354 
355 	unsigned int sf_size;             /* serial flash size in bytes */
356 	unsigned int sf_nsec;             /* # of flash sectors */
357 
358 	unsigned int fw_vers;		  /* firmware version */
359 	unsigned int bs_vers;		  /* bootstrap version */
360 	unsigned int tp_vers;		  /* TP microcode version */
361 	unsigned int er_vers;		  /* expansion ROM version */
362 	unsigned int scfg_vers;		  /* Serial Configuration version */
363 	unsigned int vpd_vers;		  /* VPD Version */
364 	u8 api_vers[7];
365 
366 	unsigned short mtus[NMTUS];
367 	unsigned short a_wnd[NCCTRL_WIN];
368 	unsigned short b_wnd[NCCTRL_WIN];
369 
370 	unsigned char nports;             /* # of ethernet ports */
371 	unsigned char portvec;
372 	enum chip_type chip;               /* chip code */
373 	struct arch_specific_params arch;  /* chip specific params */
374 	unsigned char offload;
375 	unsigned char crypto;		/* HW capability for crypto */
376 
377 	unsigned char bypass;
378 	unsigned char hash_filter;
379 
380 	unsigned int ofldq_wr_cred;
381 	bool ulptx_memwrite_dsgl;          /* use of T5 DSGL allowed */
382 
383 	unsigned int nsched_cls;          /* number of traffic classes */
384 	unsigned int max_ordird_qp;       /* Max read depth per RDMA QP */
385 	unsigned int max_ird_adapter;     /* Max read depth per adapter */
386 	bool fr_nsmr_tpte_wr_support;	  /* FW support for FR_NSMR_TPTE_WR */
387 	u8 fw_caps_support;		/* 32-bit Port Capabilities */
388 	bool filter2_wr_support;	/* FW support for FILTER2_WR */
389 
390 	/* MPS Buffer Group Map[per Port].  Bit i is set if buffer group i is
391 	 * used by the Port
392 	 */
393 	u8 mps_bg_map[MAX_NPORTS];	/* MPS Buffer Group Map */
394 	bool write_w_imm_support;       /* FW supports WRITE_WITH_IMMEDIATE */
395 	bool write_cmpl_support;        /* FW supports WRITE_CMPL */
396 };
397 
398 /* State needed to monitor the forward progress of SGE Ingress DMA activities
399  * and possible hangs.
400  */
401 struct sge_idma_monitor_state {
402 	unsigned int idma_1s_thresh;	/* 1s threshold in Core Clock ticks */
403 	unsigned int idma_stalled[2];	/* synthesized stalled timers in HZ */
404 	unsigned int idma_state[2];	/* IDMA Hang detect state */
405 	unsigned int idma_qid[2];	/* IDMA Hung Ingress Queue ID */
406 	unsigned int idma_warn[2];	/* time to warning in HZ */
407 };
408 
409 /* Firmware Mailbox Command/Reply log.  All values are in Host-Endian format.
410  * The access and execute times are signed in order to accommodate negative
411  * error returns.
412  */
413 struct mbox_cmd {
414 	u64 cmd[MBOX_LEN / 8];		/* a Firmware Mailbox Command/Reply */
415 	u64 timestamp;			/* OS-dependent timestamp */
416 	u32 seqno;			/* sequence number */
417 	s16 access;			/* time (ms) to access mailbox */
418 	s16 execute;			/* time (ms) to execute */
419 };
420 
421 struct mbox_cmd_log {
422 	unsigned int size;		/* number of entries in the log */
423 	unsigned int cursor;		/* next position in the log to write */
424 	u32 seqno;			/* next sequence number */
425 	/* variable length mailbox command log starts here */
426 };
427 
428 /* Given a pointer to a Firmware Mailbox Command Log and a log entry index,
429  * return a pointer to the specified entry.
430  */
431 static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
432 						  unsigned int entry_idx)
433 {
434 	return &((struct mbox_cmd *)&(log)[1])[entry_idx];
435 }
436 
437 #include "t4fw_api.h"
438 
439 #define FW_VERSION(chip) ( \
440 		FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
441 		FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
442 		FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
443 		FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
444 #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
445 
446 struct fw_info {
447 	u8 chip;
448 	char *fs_name;
449 	char *fw_mod_name;
450 	struct fw_hdr fw_hdr;
451 };
452 
453 struct trace_params {
454 	u32 data[TRACE_LEN / 4];
455 	u32 mask[TRACE_LEN / 4];
456 	unsigned short snap_len;
457 	unsigned short min_len;
458 	unsigned char skip_ofst;
459 	unsigned char skip_len;
460 	unsigned char invert;
461 	unsigned char port;
462 };
463 
464 /* Firmware Port Capabilities types. */
465 
466 typedef u16 fw_port_cap16_t;	/* 16-bit Port Capabilities integral value */
467 typedef u32 fw_port_cap32_t;	/* 32-bit Port Capabilities integral value */
468 
469 enum fw_caps {
470 	FW_CAPS_UNKNOWN	= 0,	/* 0'ed out initial state */
471 	FW_CAPS16	= 1,	/* old Firmware: 16-bit Port Capabilities */
472 	FW_CAPS32	= 2,	/* new Firmware: 32-bit Port Capabilities */
473 };
474 
475 struct link_config {
476 	fw_port_cap32_t pcaps;           /* link capabilities */
477 	fw_port_cap32_t def_acaps;       /* default advertised capabilities */
478 	fw_port_cap32_t acaps;           /* advertised capabilities */
479 	fw_port_cap32_t lpacaps;         /* peer advertised capabilities */
480 
481 	fw_port_cap32_t speed_caps;      /* speed(s) user has requested */
482 	unsigned int   speed;            /* actual link speed (Mb/s) */
483 
484 	enum cc_pause  requested_fc;     /* flow control user has requested */
485 	enum cc_pause  fc;               /* actual link flow control */
486 
487 	enum cc_fec    requested_fec;	 /* Forward Error Correction: */
488 	enum cc_fec    fec;		 /* requested and actual in use */
489 
490 	unsigned char  autoneg;          /* autonegotiating? */
491 
492 	unsigned char  link_ok;          /* link up? */
493 	unsigned char  link_down_rc;     /* link down reason */
494 
495 	bool new_module;		 /* ->OS Transceiver Module inserted */
496 	bool redo_l1cfg;		 /* ->CC redo current "sticky" L1 CFG */
497 };
498 
499 #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
500 
501 enum {
502 	MAX_ETH_QSETS = 32,           /* # of Ethernet Tx/Rx queue sets */
503 	MAX_OFLD_QSETS = 16,          /* # of offload Tx, iscsi Rx queue sets */
504 	MAX_CTRL_QUEUES = NCHAN,      /* # of control Tx queues */
505 };
506 
507 enum {
508 	MAX_TXQ_ENTRIES      = 16384,
509 	MAX_CTRL_TXQ_ENTRIES = 1024,
510 	MAX_RSPQ_ENTRIES     = 16384,
511 	MAX_RX_BUFFERS       = 16384,
512 	MIN_TXQ_ENTRIES      = 32,
513 	MIN_CTRL_TXQ_ENTRIES = 32,
514 	MIN_RSPQ_ENTRIES     = 128,
515 	MIN_FL_ENTRIES       = 16
516 };
517 
518 enum {
519 	INGQ_EXTRAS = 2,        /* firmware event queue and */
520 				/*   forwarded interrupts */
521 	MAX_INGQ = MAX_ETH_QSETS + INGQ_EXTRAS,
522 };
523 
524 struct adapter;
525 struct sge_rspq;
526 
527 #include "cxgb4_dcb.h"
528 
529 #ifdef CONFIG_CHELSIO_T4_FCOE
530 #include "cxgb4_fcoe.h"
531 #endif /* CONFIG_CHELSIO_T4_FCOE */
532 
533 struct port_info {
534 	struct adapter *adapter;
535 	u16    viid;
536 	s16    xact_addr_filt;        /* index of exact MAC address filter */
537 	u16    rss_size;              /* size of VI's RSS table slice */
538 	s8     mdio_addr;
539 	enum fw_port_type port_type;
540 	u8     mod_type;
541 	u8     port_id;
542 	u8     tx_chan;
543 	u8     lport;                 /* associated offload logical port */
544 	u8     nqsets;                /* # of qsets */
545 	u8     first_qset;            /* index of first qset */
546 	u8     rss_mode;
547 	struct link_config link_cfg;
548 	u16   *rss;
549 	struct port_stats stats_base;
550 #ifdef CONFIG_CHELSIO_T4_DCB
551 	struct port_dcb_info dcb;     /* Data Center Bridging support */
552 #endif
553 #ifdef CONFIG_CHELSIO_T4_FCOE
554 	struct cxgb_fcoe fcoe;
555 #endif /* CONFIG_CHELSIO_T4_FCOE */
556 	bool rxtstamp;  /* Enable TS */
557 	struct hwtstamp_config tstamp_config;
558 	bool ptp_enable;
559 	struct sched_table *sched_tbl;
560 };
561 
562 struct dentry;
563 struct work_struct;
564 
565 enum {                                 /* adapter flags */
566 	FULL_INIT_DONE     = (1 << 0),
567 	DEV_ENABLED        = (1 << 1),
568 	USING_MSI          = (1 << 2),
569 	USING_MSIX         = (1 << 3),
570 	FW_OK              = (1 << 4),
571 	RSS_TNLALLLOOKUP   = (1 << 5),
572 	USING_SOFT_PARAMS  = (1 << 6),
573 	MASTER_PF          = (1 << 7),
574 	FW_OFLD_CONN       = (1 << 9),
575 	ROOT_NO_RELAXED_ORDERING = (1 << 10),
576 	SHUTTING_DOWN	   = (1 << 11),
577 };
578 
579 enum {
580 	ULP_CRYPTO_LOOKASIDE = 1 << 0,
581 	ULP_CRYPTO_IPSEC_INLINE = 1 << 1,
582 };
583 
584 struct rx_sw_desc;
585 
586 struct sge_fl {                     /* SGE free-buffer queue state */
587 	unsigned int avail;         /* # of available Rx buffers */
588 	unsigned int pend_cred;     /* new buffers since last FL DB ring */
589 	unsigned int cidx;          /* consumer index */
590 	unsigned int pidx;          /* producer index */
591 	unsigned long alloc_failed; /* # of times buffer allocation failed */
592 	unsigned long large_alloc_failed;
593 	unsigned long mapping_err;  /* # of RX Buffer DMA Mapping failures */
594 	unsigned long low;          /* # of times momentarily starving */
595 	unsigned long starving;
596 	/* RO fields */
597 	unsigned int cntxt_id;      /* SGE context id for the free list */
598 	unsigned int size;          /* capacity of free list */
599 	struct rx_sw_desc *sdesc;   /* address of SW Rx descriptor ring */
600 	__be64 *desc;               /* address of HW Rx descriptor ring */
601 	dma_addr_t addr;            /* bus address of HW ring start */
602 	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
603 	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
604 };
605 
606 /* A packet gather list */
607 struct pkt_gl {
608 	u64 sgetstamp;		    /* SGE Time Stamp for Ingress Packet */
609 	struct page_frag frags[MAX_SKB_FRAGS];
610 	void *va;                         /* virtual address of first byte */
611 	unsigned int nfrags;              /* # of fragments */
612 	unsigned int tot_len;             /* total length of fragments */
613 };
614 
615 typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
616 			      const struct pkt_gl *gl);
617 typedef void (*rspq_flush_handler_t)(struct sge_rspq *q);
618 /* LRO related declarations for ULD */
619 struct t4_lro_mgr {
620 #define MAX_LRO_SESSIONS		64
621 	u8 lro_session_cnt;         /* # of sessions to aggregate */
622 	unsigned long lro_pkts;     /* # of LRO super packets */
623 	unsigned long lro_merged;   /* # of wire packets merged by LRO */
624 	struct sk_buff_head lroq;   /* list of aggregated sessions */
625 };
626 
627 struct sge_rspq {                   /* state for an SGE response queue */
628 	struct napi_struct napi;
629 	const __be64 *cur_desc;     /* current descriptor in queue */
630 	unsigned int cidx;          /* consumer index */
631 	u8 gen;                     /* current generation bit */
632 	u8 intr_params;             /* interrupt holdoff parameters */
633 	u8 next_intr_params;        /* holdoff params for next interrupt */
634 	u8 adaptive_rx;
635 	u8 pktcnt_idx;              /* interrupt packet threshold */
636 	u8 uld;                     /* ULD handling this queue */
637 	u8 idx;                     /* queue index within its group */
638 	int offset;                 /* offset into current Rx buffer */
639 	u16 cntxt_id;               /* SGE context id for the response q */
640 	u16 abs_id;                 /* absolute SGE id for the response q */
641 	__be64 *desc;               /* address of HW response ring */
642 	dma_addr_t phys_addr;       /* physical address of the ring */
643 	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
644 	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
645 	unsigned int iqe_len;       /* entry size */
646 	unsigned int size;          /* capacity of response queue */
647 	struct adapter *adap;
648 	struct net_device *netdev;  /* associated net device */
649 	rspq_handler_t handler;
650 	rspq_flush_handler_t flush_handler;
651 	struct t4_lro_mgr lro_mgr;
652 };
653 
654 struct sge_eth_stats {              /* Ethernet queue statistics */
655 	unsigned long pkts;         /* # of ethernet packets */
656 	unsigned long lro_pkts;     /* # of LRO super packets */
657 	unsigned long lro_merged;   /* # of wire packets merged by LRO */
658 	unsigned long rx_cso;       /* # of Rx checksum offloads */
659 	unsigned long vlan_ex;      /* # of Rx VLAN extractions */
660 	unsigned long rx_drops;     /* # of packets dropped due to no mem */
661 };
662 
663 struct sge_eth_rxq {                /* SW Ethernet Rx queue */
664 	struct sge_rspq rspq;
665 	struct sge_fl fl;
666 	struct sge_eth_stats stats;
667 } ____cacheline_aligned_in_smp;
668 
669 struct sge_ofld_stats {             /* offload queue statistics */
670 	unsigned long pkts;         /* # of packets */
671 	unsigned long imm;          /* # of immediate-data packets */
672 	unsigned long an;           /* # of asynchronous notifications */
673 	unsigned long nomem;        /* # of responses deferred due to no mem */
674 };
675 
676 struct sge_ofld_rxq {               /* SW offload Rx queue */
677 	struct sge_rspq rspq;
678 	struct sge_fl fl;
679 	struct sge_ofld_stats stats;
680 } ____cacheline_aligned_in_smp;
681 
682 struct tx_desc {
683 	__be64 flit[8];
684 };
685 
686 struct tx_sw_desc;
687 
688 struct sge_txq {
689 	unsigned int  in_use;       /* # of in-use Tx descriptors */
690 	unsigned int  q_type;	    /* Q type Eth/Ctrl/Ofld */
691 	unsigned int  size;         /* # of descriptors */
692 	unsigned int  cidx;         /* SW consumer index */
693 	unsigned int  pidx;         /* producer index */
694 	unsigned long stops;        /* # of times q has been stopped */
695 	unsigned long restarts;     /* # of queue restarts */
696 	unsigned int  cntxt_id;     /* SGE context id for the Tx q */
697 	struct tx_desc *desc;       /* address of HW Tx descriptor ring */
698 	struct tx_sw_desc *sdesc;   /* address of SW Tx descriptor ring */
699 	struct sge_qstat *stat;     /* queue status entry */
700 	dma_addr_t    phys_addr;    /* physical address of the ring */
701 	spinlock_t db_lock;
702 	int db_disabled;
703 	unsigned short db_pidx;
704 	unsigned short db_pidx_inc;
705 	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
706 	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
707 };
708 
709 struct sge_eth_txq {                /* state for an SGE Ethernet Tx queue */
710 	struct sge_txq q;
711 	struct netdev_queue *txq;   /* associated netdev TX queue */
712 #ifdef CONFIG_CHELSIO_T4_DCB
713 	u8 dcb_prio;		    /* DCB Priority bound to queue */
714 #endif
715 	unsigned long tso;          /* # of TSO requests */
716 	unsigned long tx_cso;       /* # of Tx checksum offloads */
717 	unsigned long vlan_ins;     /* # of Tx VLAN insertions */
718 	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
719 } ____cacheline_aligned_in_smp;
720 
721 struct sge_uld_txq {               /* state for an SGE offload Tx queue */
722 	struct sge_txq q;
723 	struct adapter *adap;
724 	struct sk_buff_head sendq;  /* list of backpressured packets */
725 	struct tasklet_struct qresume_tsk; /* restarts the queue */
726 	bool service_ofldq_running; /* service_ofldq() is processing sendq */
727 	u8 full;                    /* the Tx ring is full */
728 	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
729 } ____cacheline_aligned_in_smp;
730 
731 struct sge_ctrl_txq {               /* state for an SGE control Tx queue */
732 	struct sge_txq q;
733 	struct adapter *adap;
734 	struct sk_buff_head sendq;  /* list of backpressured packets */
735 	struct tasklet_struct qresume_tsk; /* restarts the queue */
736 	u8 full;                    /* the Tx ring is full */
737 } ____cacheline_aligned_in_smp;
738 
739 struct sge_uld_rxq_info {
740 	char name[IFNAMSIZ];	/* name of ULD driver */
741 	struct sge_ofld_rxq *uldrxq; /* Rxq's for ULD */
742 	u16 *msix_tbl;		/* msix_tbl for uld */
743 	u16 *rspq_id;		/* response queue id's of rxq */
744 	u16 nrxq;		/* # of ingress uld queues */
745 	u16 nciq;		/* # of completion queues */
746 	u8 uld;			/* uld type */
747 };
748 
749 struct sge_uld_txq_info {
750 	struct sge_uld_txq *uldtxq; /* Txq's for ULD */
751 	atomic_t users;		/* num users */
752 	u16 ntxq;		/* # of egress uld queues */
753 };
754 
755 struct sge {
756 	struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
757 	struct sge_eth_txq ptptxq;
758 	struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
759 
760 	struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
761 	struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
762 	struct sge_uld_rxq_info **uld_rxq_info;
763 	struct sge_uld_txq_info **uld_txq_info;
764 
765 	struct sge_rspq intrq ____cacheline_aligned_in_smp;
766 	spinlock_t intrq_lock;
767 
768 	u16 max_ethqsets;           /* # of available Ethernet queue sets */
769 	u16 ethqsets;               /* # of active Ethernet queue sets */
770 	u16 ethtxq_rover;           /* Tx queue to clean up next */
771 	u16 ofldqsets;              /* # of active ofld queue sets */
772 	u16 nqs_per_uld;	    /* # of Rx queues per ULD */
773 	u16 timer_val[SGE_NTIMERS];
774 	u8 counter_val[SGE_NCOUNTERS];
775 	u32 fl_pg_order;            /* large page allocation size */
776 	u32 stat_len;               /* length of status page at ring end */
777 	u32 pktshift;               /* padding between CPL & packet data */
778 	u32 fl_align;               /* response queue message alignment */
779 	u32 fl_starve_thres;        /* Free List starvation threshold */
780 
781 	struct sge_idma_monitor_state idma_monitor;
782 	unsigned int egr_start;
783 	unsigned int egr_sz;
784 	unsigned int ingr_start;
785 	unsigned int ingr_sz;
786 	void **egr_map;    /* qid->queue egress queue map */
787 	struct sge_rspq **ingr_map; /* qid->queue ingress queue map */
788 	unsigned long *starving_fl;
789 	unsigned long *txq_maperr;
790 	unsigned long *blocked_fl;
791 	struct timer_list rx_timer; /* refills starving FLs */
792 	struct timer_list tx_timer; /* checks Tx queues */
793 };
794 
795 #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++)
796 #define for_each_ofldtxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++)
797 
798 struct l2t_data;
799 
800 #ifdef CONFIG_PCI_IOV
801 
802 /* T4 supports SRIOV on PF0-3 and T5 on PF0-7.  However, the Serial
803  * Configuration initialization for T5 only has SR-IOV functionality enabled
804  * on PF0-3 in order to simplify everything.
805  */
806 #define NUM_OF_PF_WITH_SRIOV 4
807 
808 #endif
809 
810 struct doorbell_stats {
811 	u32 db_drop;
812 	u32 db_empty;
813 	u32 db_full;
814 };
815 
816 struct hash_mac_addr {
817 	struct list_head list;
818 	u8 addr[ETH_ALEN];
819 };
820 
821 struct uld_msix_bmap {
822 	unsigned long *msix_bmap;
823 	unsigned int mapsize;
824 	spinlock_t lock; /* lock for acquiring bitmap */
825 };
826 
827 struct uld_msix_info {
828 	unsigned short vec;
829 	char desc[IFNAMSIZ + 10];
830 	unsigned int idx;
831 };
832 
833 struct vf_info {
834 	unsigned char vf_mac_addr[ETH_ALEN];
835 	unsigned int tx_rate;
836 	bool pf_set_mac;
837 	u16 vlan;
838 };
839 
840 enum {
841 	HMA_DMA_MAPPED_FLAG = 1
842 };
843 
844 struct hma_data {
845 	unsigned char flags;
846 	struct sg_table *sgt;
847 	dma_addr_t *phy_addr;	/* physical address of the page */
848 };
849 
850 struct mbox_list {
851 	struct list_head list;
852 };
853 
854 struct mps_encap_entry {
855 	atomic_t refcnt;
856 };
857 
858 struct adapter {
859 	void __iomem *regs;
860 	void __iomem *bar2;
861 	u32 t4_bar0;
862 	struct pci_dev *pdev;
863 	struct device *pdev_dev;
864 	const char *name;
865 	unsigned int mbox;
866 	unsigned int pf;
867 	unsigned int flags;
868 	unsigned int adap_idx;
869 	enum chip_type chip;
870 
871 	int msg_enable;
872 	__be16 vxlan_port;
873 	u8 vxlan_port_cnt;
874 	__be16 geneve_port;
875 	u8 geneve_port_cnt;
876 
877 	struct adapter_params params;
878 	struct cxgb4_virt_res vres;
879 	unsigned int swintr;
880 
881 	struct {
882 		unsigned short vec;
883 		char desc[IFNAMSIZ + 10];
884 	} msix_info[MAX_INGQ + 1];
885 	struct uld_msix_info *msix_info_ulds; /* msix info for uld's */
886 	struct uld_msix_bmap msix_bmap_ulds; /* msix bitmap for all uld */
887 	int msi_idx;
888 
889 	struct doorbell_stats db_stats;
890 	struct sge sge;
891 
892 	struct net_device *port[MAX_NPORTS];
893 	u8 chan_map[NCHAN];                   /* channel -> port map */
894 
895 	struct vf_info *vfinfo;
896 	u8 num_vfs;
897 
898 	u32 filter_mode;
899 	unsigned int l2t_start;
900 	unsigned int l2t_end;
901 	struct l2t_data *l2t;
902 	unsigned int clipt_start;
903 	unsigned int clipt_end;
904 	struct clip_tbl *clipt;
905 	unsigned int rawf_start;
906 	unsigned int rawf_cnt;
907 	struct smt_data *smt;
908 	struct mps_encap_entry *mps_encap;
909 	struct cxgb4_uld_info *uld;
910 	void *uld_handle[CXGB4_ULD_MAX];
911 	unsigned int num_uld;
912 	unsigned int num_ofld_uld;
913 	struct list_head list_node;
914 	struct list_head rcu_node;
915 	struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */
916 
917 	void *iscsi_ppm;
918 
919 	struct tid_info tids;
920 	void **tid_release_head;
921 	spinlock_t tid_release_lock;
922 	struct workqueue_struct *workq;
923 	struct work_struct tid_release_task;
924 	struct work_struct db_full_task;
925 	struct work_struct db_drop_task;
926 	struct work_struct fatal_err_notify_task;
927 	bool tid_release_task_busy;
928 
929 	/* lock for mailbox cmd list */
930 	spinlock_t mbox_lock;
931 	struct mbox_list mlist;
932 
933 	/* support for mailbox command/reply logging */
934 #define T4_OS_LOG_MBOX_CMDS 256
935 	struct mbox_cmd_log *mbox_log;
936 
937 	struct mutex uld_mutex;
938 
939 	struct dentry *debugfs_root;
940 	bool use_bd;     /* Use SGE Back Door intfc for reading SGE Contexts */
941 	bool trace_rss;	/* 1 implies that different RSS flit per filter is
942 			 * used per filter else if 0 default RSS flit is
943 			 * used for all 4 filters.
944 			 */
945 
946 	struct ptp_clock *ptp_clock;
947 	struct ptp_clock_info ptp_clock_info;
948 	struct sk_buff *ptp_tx_skb;
949 	/* ptp lock */
950 	spinlock_t ptp_lock;
951 	spinlock_t stats_lock;
952 	spinlock_t win0_lock ____cacheline_aligned_in_smp;
953 
954 	/* TC u32 offload */
955 	struct cxgb4_tc_u32_table *tc_u32;
956 	struct chcr_stats_debug chcr_stats;
957 
958 	/* TC flower offload */
959 	struct rhashtable flower_tbl;
960 	struct rhashtable_params flower_ht_params;
961 	struct timer_list flower_stats_timer;
962 	struct work_struct flower_stats_work;
963 
964 	/* Ethtool Dump */
965 	struct ethtool_dump eth_dump;
966 
967 	/* HMA */
968 	struct hma_data hma;
969 
970 	struct srq_data *srq;
971 
972 	/* Dump buffer for collecting logs in kdump kernel */
973 	struct vmcoredd_data vmcoredd;
974 };
975 
976 /* Support for "sched-class" command to allow a TX Scheduling Class to be
977  * programmed with various parameters.
978  */
979 struct ch_sched_params {
980 	s8   type;                     /* packet or flow */
981 	union {
982 		struct {
983 			s8   level;    /* scheduler hierarchy level */
984 			s8   mode;     /* per-class or per-flow */
985 			s8   rateunit; /* bit or packet rate */
986 			s8   ratemode; /* %port relative or kbps absolute */
987 			s8   channel;  /* scheduler channel [0..N] */
988 			s8   class;    /* scheduler class [0..N] */
989 			s32  minrate;  /* minimum rate */
990 			s32  maxrate;  /* maximum rate */
991 			s16  weight;   /* percent weight */
992 			s16  pktsize;  /* average packet size */
993 		} params;
994 	} u;
995 };
996 
997 enum {
998 	SCHED_CLASS_TYPE_PACKET = 0,    /* class type */
999 };
1000 
1001 enum {
1002 	SCHED_CLASS_LEVEL_CL_RL = 0,    /* class rate limiter */
1003 };
1004 
1005 enum {
1006 	SCHED_CLASS_MODE_CLASS = 0,     /* per-class scheduling */
1007 };
1008 
1009 enum {
1010 	SCHED_CLASS_RATEUNIT_BITS = 0,  /* bit rate scheduling */
1011 };
1012 
1013 enum {
1014 	SCHED_CLASS_RATEMODE_ABS = 1,   /* Kb/s */
1015 };
1016 
1017 struct tx_sw_desc {                /* SW state per Tx descriptor */
1018 	struct sk_buff *skb;
1019 	struct ulptx_sgl *sgl;
1020 };
1021 
1022 /* Support for "sched_queue" command to allow one or more NIC TX Queues
1023  * to be bound to a TX Scheduling Class.
1024  */
1025 struct ch_sched_queue {
1026 	s8   queue;    /* queue index */
1027 	s8   class;    /* class index */
1028 };
1029 
1030 /* Defined bit width of user definable filter tuples
1031  */
1032 #define ETHTYPE_BITWIDTH 16
1033 #define FRAG_BITWIDTH 1
1034 #define MACIDX_BITWIDTH 9
1035 #define FCOE_BITWIDTH 1
1036 #define IPORT_BITWIDTH 3
1037 #define MATCHTYPE_BITWIDTH 3
1038 #define PROTO_BITWIDTH 8
1039 #define TOS_BITWIDTH 8
1040 #define PF_BITWIDTH 8
1041 #define VF_BITWIDTH 8
1042 #define IVLAN_BITWIDTH 16
1043 #define OVLAN_BITWIDTH 16
1044 #define ENCAP_VNI_BITWIDTH 24
1045 
1046 /* Filter matching rules.  These consist of a set of ingress packet field
1047  * (value, mask) tuples.  The associated ingress packet field matches the
1048  * tuple when ((field & mask) == value).  (Thus a wildcard "don't care" field
1049  * rule can be constructed by specifying a tuple of (0, 0).)  A filter rule
1050  * matches an ingress packet when all of the individual individual field
1051  * matching rules are true.
1052  *
1053  * Partial field masks are always valid, however, while it may be easy to
1054  * understand their meanings for some fields (e.g. IP address to match a
1055  * subnet), for others making sensible partial masks is less intuitive (e.g.
1056  * MPS match type) ...
1057  *
1058  * Most of the following data structures are modeled on T4 capabilities.
1059  * Drivers for earlier chips use the subsets which make sense for those chips.
1060  * We really need to come up with a hardware-independent mechanism to
1061  * represent hardware filter capabilities ...
1062  */
1063 struct ch_filter_tuple {
1064 	/* Compressed header matching field rules.  The TP_VLAN_PRI_MAP
1065 	 * register selects which of these fields will participate in the
1066 	 * filter match rules -- up to a maximum of 36 bits.  Because
1067 	 * TP_VLAN_PRI_MAP is a global register, all filters must use the same
1068 	 * set of fields.
1069 	 */
1070 	uint32_t ethtype:ETHTYPE_BITWIDTH;      /* Ethernet type */
1071 	uint32_t frag:FRAG_BITWIDTH;            /* IP fragmentation header */
1072 	uint32_t ivlan_vld:1;                   /* inner VLAN valid */
1073 	uint32_t ovlan_vld:1;                   /* outer VLAN valid */
1074 	uint32_t pfvf_vld:1;                    /* PF/VF valid */
1075 	uint32_t encap_vld:1;			/* Encapsulation valid */
1076 	uint32_t macidx:MACIDX_BITWIDTH;        /* exact match MAC index */
1077 	uint32_t fcoe:FCOE_BITWIDTH;            /* FCoE packet */
1078 	uint32_t iport:IPORT_BITWIDTH;          /* ingress port */
1079 	uint32_t matchtype:MATCHTYPE_BITWIDTH;  /* MPS match type */
1080 	uint32_t proto:PROTO_BITWIDTH;          /* protocol type */
1081 	uint32_t tos:TOS_BITWIDTH;              /* TOS/Traffic Type */
1082 	uint32_t pf:PF_BITWIDTH;                /* PCI-E PF ID */
1083 	uint32_t vf:VF_BITWIDTH;                /* PCI-E VF ID */
1084 	uint32_t ivlan:IVLAN_BITWIDTH;          /* inner VLAN */
1085 	uint32_t ovlan:OVLAN_BITWIDTH;          /* outer VLAN */
1086 	uint32_t vni:ENCAP_VNI_BITWIDTH;	/* VNI of tunnel */
1087 
1088 	/* Uncompressed header matching field rules.  These are always
1089 	 * available for field rules.
1090 	 */
1091 	uint8_t lip[16];        /* local IP address (IPv4 in [3:0]) */
1092 	uint8_t fip[16];        /* foreign IP address (IPv4 in [3:0]) */
1093 	uint16_t lport;         /* local port */
1094 	uint16_t fport;         /* foreign port */
1095 };
1096 
1097 /* A filter ioctl command.
1098  */
1099 struct ch_filter_specification {
1100 	/* Administrative fields for filter.
1101 	 */
1102 	uint32_t hitcnts:1;     /* count filter hits in TCB */
1103 	uint32_t prio:1;        /* filter has priority over active/server */
1104 
1105 	/* Fundamental filter typing.  This is the one element of filter
1106 	 * matching that doesn't exist as a (value, mask) tuple.
1107 	 */
1108 	uint32_t type:1;        /* 0 => IPv4, 1 => IPv6 */
1109 	u32 hash:1;		/* 0 => wild-card, 1 => exact-match */
1110 
1111 	/* Packet dispatch information.  Ingress packets which match the
1112 	 * filter rules will be dropped, passed to the host or switched back
1113 	 * out as egress packets.
1114 	 */
1115 	uint32_t action:2;      /* drop, pass, switch */
1116 
1117 	uint32_t rpttid:1;      /* report TID in RSS hash field */
1118 
1119 	uint32_t dirsteer:1;    /* 0 => RSS, 1 => steer to iq */
1120 	uint32_t iq:10;         /* ingress queue */
1121 
1122 	uint32_t maskhash:1;    /* dirsteer=0: store RSS hash in TCB */
1123 	uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */
1124 				/*             1 => TCB contains IQ ID */
1125 
1126 	/* Switch proxy/rewrite fields.  An ingress packet which matches a
1127 	 * filter with "switch" set will be looped back out as an egress
1128 	 * packet -- potentially with some Ethernet header rewriting.
1129 	 */
1130 	uint32_t eport:2;       /* egress port to switch packet out */
1131 	uint32_t newdmac:1;     /* rewrite destination MAC address */
1132 	uint32_t newsmac:1;     /* rewrite source MAC address */
1133 	uint32_t newvlan:2;     /* rewrite VLAN Tag */
1134 	uint32_t nat_mode:3;    /* specify NAT operation mode */
1135 	uint8_t dmac[ETH_ALEN]; /* new destination MAC address */
1136 	uint8_t smac[ETH_ALEN]; /* new source MAC address */
1137 	uint16_t vlan;          /* VLAN Tag to insert */
1138 
1139 	u8 nat_lip[16];		/* local IP to use after NAT'ing */
1140 	u8 nat_fip[16];		/* foreign IP to use after NAT'ing */
1141 	u16 nat_lport;		/* local port to use after NAT'ing */
1142 	u16 nat_fport;		/* foreign port to use after NAT'ing */
1143 
1144 	/* reservation for future additions */
1145 	u8 rsvd[24];
1146 
1147 	/* Filter rule value/mask pairs.
1148 	 */
1149 	struct ch_filter_tuple val;
1150 	struct ch_filter_tuple mask;
1151 };
1152 
1153 enum {
1154 	FILTER_PASS = 0,        /* default */
1155 	FILTER_DROP,
1156 	FILTER_SWITCH
1157 };
1158 
1159 enum {
1160 	VLAN_NOCHANGE = 0,      /* default */
1161 	VLAN_REMOVE,
1162 	VLAN_INSERT,
1163 	VLAN_REWRITE
1164 };
1165 
1166 enum {
1167 	NAT_MODE_NONE = 0,	/* No NAT performed */
1168 	NAT_MODE_DIP,		/* NAT on Dst IP */
1169 	NAT_MODE_DIP_DP,	/* NAT on Dst IP, Dst Port */
1170 	NAT_MODE_DIP_DP_SIP,	/* NAT on Dst IP, Dst Port and Src IP */
1171 	NAT_MODE_DIP_DP_SP,	/* NAT on Dst IP, Dst Port and Src Port */
1172 	NAT_MODE_SIP_SP,	/* NAT on Src IP and Src Port */
1173 	NAT_MODE_DIP_SIP_SP,	/* NAT on Dst IP, Src IP and Src Port */
1174 	NAT_MODE_ALL		/* NAT on entire 4-tuple */
1175 };
1176 
1177 /* Host shadow copy of ingress filter entry.  This is in host native format
1178  * and doesn't match the ordering or bit order, etc. of the hardware of the
1179  * firmware command.  The use of bit-field structure elements is purely to
1180  * remind ourselves of the field size limitations and save memory in the case
1181  * where the filter table is large.
1182  */
1183 struct filter_entry {
1184 	/* Administrative fields for filter. */
1185 	u32 valid:1;            /* filter allocated and valid */
1186 	u32 locked:1;           /* filter is administratively locked */
1187 
1188 	u32 pending:1;          /* filter action is pending firmware reply */
1189 	struct filter_ctx *ctx; /* Caller's completion hook */
1190 	struct l2t_entry *l2t;  /* Layer Two Table entry for dmac */
1191 	struct smt_entry *smt;  /* Source Mac Table entry for smac */
1192 	struct net_device *dev; /* Associated net device */
1193 	u32 tid;                /* This will store the actual tid */
1194 
1195 	/* The filter itself.  Most of this is a straight copy of information
1196 	 * provided by the extended ioctl().  Some fields are translated to
1197 	 * internal forms -- for instance the Ingress Queue ID passed in from
1198 	 * the ioctl() is translated into the Absolute Ingress Queue ID.
1199 	 */
1200 	struct ch_filter_specification fs;
1201 };
1202 
1203 static inline int is_offload(const struct adapter *adap)
1204 {
1205 	return adap->params.offload;
1206 }
1207 
1208 static inline int is_hashfilter(const struct adapter *adap)
1209 {
1210 	return adap->params.hash_filter;
1211 }
1212 
1213 static inline int is_pci_uld(const struct adapter *adap)
1214 {
1215 	return adap->params.crypto;
1216 }
1217 
1218 static inline int is_uld(const struct adapter *adap)
1219 {
1220 	return (adap->params.offload || adap->params.crypto);
1221 }
1222 
1223 static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
1224 {
1225 	return readl(adap->regs + reg_addr);
1226 }
1227 
1228 static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val)
1229 {
1230 	writel(val, adap->regs + reg_addr);
1231 }
1232 
1233 #ifndef readq
1234 static inline u64 readq(const volatile void __iomem *addr)
1235 {
1236 	return readl(addr) + ((u64)readl(addr + 4) << 32);
1237 }
1238 
1239 static inline void writeq(u64 val, volatile void __iomem *addr)
1240 {
1241 	writel(val, addr);
1242 	writel(val >> 32, addr + 4);
1243 }
1244 #endif
1245 
1246 static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
1247 {
1248 	return readq(adap->regs + reg_addr);
1249 }
1250 
1251 static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
1252 {
1253 	writeq(val, adap->regs + reg_addr);
1254 }
1255 
1256 /**
1257  * t4_set_hw_addr - store a port's MAC address in SW
1258  * @adapter: the adapter
1259  * @port_idx: the port index
1260  * @hw_addr: the Ethernet address
1261  *
1262  * Store the Ethernet address of the given port in SW.  Called by the common
1263  * code when it retrieves a port's Ethernet address from EEPROM.
1264  */
1265 static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx,
1266 				  u8 hw_addr[])
1267 {
1268 	ether_addr_copy(adapter->port[port_idx]->dev_addr, hw_addr);
1269 	ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr);
1270 }
1271 
1272 /**
1273  * netdev2pinfo - return the port_info structure associated with a net_device
1274  * @dev: the netdev
1275  *
1276  * Return the struct port_info associated with a net_device
1277  */
1278 static inline struct port_info *netdev2pinfo(const struct net_device *dev)
1279 {
1280 	return netdev_priv(dev);
1281 }
1282 
1283 /**
1284  * adap2pinfo - return the port_info of a port
1285  * @adap: the adapter
1286  * @idx: the port index
1287  *
1288  * Return the port_info structure for the port of the given index.
1289  */
1290 static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
1291 {
1292 	return netdev_priv(adap->port[idx]);
1293 }
1294 
1295 /**
1296  * netdev2adap - return the adapter structure associated with a net_device
1297  * @dev: the netdev
1298  *
1299  * Return the struct adapter associated with a net_device
1300  */
1301 static inline struct adapter *netdev2adap(const struct net_device *dev)
1302 {
1303 	return netdev2pinfo(dev)->adapter;
1304 }
1305 
1306 /* Return a version number to identify the type of adapter.  The scheme is:
1307  * - bits 0..9: chip version
1308  * - bits 10..15: chip revision
1309  * - bits 16..23: register dump version
1310  */
1311 static inline unsigned int mk_adap_vers(struct adapter *ap)
1312 {
1313 	return CHELSIO_CHIP_VERSION(ap->params.chip) |
1314 		(CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
1315 }
1316 
1317 /* Return a queue's interrupt hold-off time in us.  0 means no timer. */
1318 static inline unsigned int qtimer_val(const struct adapter *adap,
1319 				      const struct sge_rspq *q)
1320 {
1321 	unsigned int idx = q->intr_params >> 1;
1322 
1323 	return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0;
1324 }
1325 
1326 /* driver version & name used for ethtool_drvinfo */
1327 extern char cxgb4_driver_name[];
1328 extern const char cxgb4_driver_version[];
1329 
1330 void t4_os_portmod_changed(struct adapter *adap, int port_id);
1331 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
1332 
1333 void t4_free_sge_resources(struct adapter *adap);
1334 void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
1335 irq_handler_t t4_intr_handler(struct adapter *adap);
1336 netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev);
1337 int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
1338 		     const struct pkt_gl *gl);
1339 int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
1340 int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
1341 int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
1342 		     struct net_device *dev, int intr_idx,
1343 		     struct sge_fl *fl, rspq_handler_t hnd,
1344 		     rspq_flush_handler_t flush_handler, int cong);
1345 int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
1346 			 struct net_device *dev, struct netdev_queue *netdevq,
1347 			 unsigned int iqid);
1348 int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq,
1349 			  struct net_device *dev, unsigned int iqid,
1350 			  unsigned int cmplqid);
1351 int t4_sge_mod_ctrl_txq(struct adapter *adap, unsigned int eqid,
1352 			unsigned int cmplqid);
1353 int t4_sge_alloc_uld_txq(struct adapter *adap, struct sge_uld_txq *txq,
1354 			 struct net_device *dev, unsigned int iqid,
1355 			 unsigned int uld_type);
1356 irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
1357 int t4_sge_init(struct adapter *adap);
1358 void t4_sge_start(struct adapter *adap);
1359 void t4_sge_stop(struct adapter *adap);
1360 void cxgb4_set_ethtool_ops(struct net_device *netdev);
1361 int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
1362 enum cpl_tx_tnl_lso_type cxgb_encap_offload_supported(struct sk_buff *skb);
1363 extern int dbfifo_int_thresh;
1364 
1365 #define for_each_port(adapter, iter) \
1366 	for (iter = 0; iter < (adapter)->params.nports; ++iter)
1367 
1368 static inline int is_bypass(struct adapter *adap)
1369 {
1370 	return adap->params.bypass;
1371 }
1372 
1373 static inline int is_bypass_device(int device)
1374 {
1375 	/* this should be set based upon device capabilities */
1376 	switch (device) {
1377 	case 0x440b:
1378 	case 0x440c:
1379 		return 1;
1380 	default:
1381 		return 0;
1382 	}
1383 }
1384 
1385 static inline int is_10gbt_device(int device)
1386 {
1387 	/* this should be set based upon device capabilities */
1388 	switch (device) {
1389 	case 0x4409:
1390 	case 0x4486:
1391 		return 1;
1392 
1393 	default:
1394 		return 0;
1395 	}
1396 }
1397 
1398 static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
1399 {
1400 	return adap->params.vpd.cclk / 1000;
1401 }
1402 
1403 static inline unsigned int us_to_core_ticks(const struct adapter *adap,
1404 					    unsigned int us)
1405 {
1406 	return (us * adap->params.vpd.cclk) / 1000;
1407 }
1408 
1409 static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
1410 					    unsigned int ticks)
1411 {
1412 	/* add Core Clock / 2 to round ticks to nearest uS */
1413 	return ((ticks * 1000 + adapter->params.vpd.cclk/2) /
1414 		adapter->params.vpd.cclk);
1415 }
1416 
1417 static inline unsigned int dack_ticks_to_usec(const struct adapter *adap,
1418 					      unsigned int ticks)
1419 {
1420 	return (ticks << adap->params.tp.dack_re) / core_ticks_per_usec(adap);
1421 }
1422 
1423 void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
1424 		      u32 val);
1425 
1426 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
1427 			    int size, void *rpl, bool sleep_ok, int timeout);
1428 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
1429 		    void *rpl, bool sleep_ok);
1430 
1431 static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox,
1432 				     const void *cmd, int size, void *rpl,
1433 				     int timeout)
1434 {
1435 	return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true,
1436 				       timeout);
1437 }
1438 
1439 static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd,
1440 			     int size, void *rpl)
1441 {
1442 	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true);
1443 }
1444 
1445 static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
1446 				int size, void *rpl)
1447 {
1448 	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false);
1449 }
1450 
1451 /**
1452  *	hash_mac_addr - return the hash value of a MAC address
1453  *	@addr: the 48-bit Ethernet MAC address
1454  *
1455  *	Hashes a MAC address according to the hash function used by HW inexact
1456  *	(hash) address matching.
1457  */
1458 static inline int hash_mac_addr(const u8 *addr)
1459 {
1460 	u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
1461 	u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
1462 
1463 	a ^= b;
1464 	a ^= (a >> 12);
1465 	a ^= (a >> 6);
1466 	return a & 0x3f;
1467 }
1468 
1469 int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
1470 			       unsigned int cnt);
1471 static inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
1472 			     unsigned int us, unsigned int cnt,
1473 			     unsigned int size, unsigned int iqe_size)
1474 {
1475 	q->adap = adap;
1476 	cxgb4_set_rspq_intr_params(q, us, cnt);
1477 	q->iqe_len = iqe_size;
1478 	q->size = size;
1479 }
1480 
1481 /**
1482  *     t4_is_inserted_mod_type - is a plugged in Firmware Module Type
1483  *     @fw_mod_type: the Firmware Mofule Type
1484  *
1485  *     Return whether the Firmware Module Type represents a real Transceiver
1486  *     Module/Cable Module Type which has been inserted.
1487  */
1488 static inline bool t4_is_inserted_mod_type(unsigned int fw_mod_type)
1489 {
1490 	return (fw_mod_type != FW_PORT_MOD_TYPE_NONE &&
1491 		fw_mod_type != FW_PORT_MOD_TYPE_NOTSUPPORTED &&
1492 		fw_mod_type != FW_PORT_MOD_TYPE_UNKNOWN &&
1493 		fw_mod_type != FW_PORT_MOD_TYPE_ERROR);
1494 }
1495 
1496 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
1497 		       unsigned int data_reg, const u32 *vals,
1498 		       unsigned int nregs, unsigned int start_idx);
1499 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
1500 		      unsigned int data_reg, u32 *vals, unsigned int nregs,
1501 		      unsigned int start_idx);
1502 void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
1503 
1504 struct fw_filter_wr;
1505 
1506 void t4_intr_enable(struct adapter *adapter);
1507 void t4_intr_disable(struct adapter *adapter);
1508 int t4_slow_intr_handler(struct adapter *adapter);
1509 
1510 int t4_wait_dev_ready(void __iomem *regs);
1511 
1512 int t4_link_l1cfg_core(struct adapter *adap, unsigned int mbox,
1513 		       unsigned int port, struct link_config *lc,
1514 		       bool sleep_ok, int timeout);
1515 
1516 static inline int t4_link_l1cfg(struct adapter *adapter, unsigned int mbox,
1517 				unsigned int port, struct link_config *lc)
1518 {
1519 	return t4_link_l1cfg_core(adapter, mbox, port, lc,
1520 				  true, FW_CMD_MAX_TIMEOUT);
1521 }
1522 
1523 static inline int t4_link_l1cfg_ns(struct adapter *adapter, unsigned int mbox,
1524 				   unsigned int port, struct link_config *lc)
1525 {
1526 	return t4_link_l1cfg_core(adapter, mbox, port, lc,
1527 				  false, FW_CMD_MAX_TIMEOUT);
1528 }
1529 
1530 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
1531 
1532 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
1533 u32 t4_get_util_window(struct adapter *adap);
1534 void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
1535 
1536 int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off,
1537 		      u32 *mem_base, u32 *mem_aperture);
1538 void t4_memory_update_win(struct adapter *adap, int win, u32 addr);
1539 void t4_memory_rw_residual(struct adapter *adap, u32 off, u32 addr, u8 *buf,
1540 			   int dir);
1541 #define T4_MEMORY_WRITE	0
1542 #define T4_MEMORY_READ	1
1543 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
1544 		 void *buf, int dir);
1545 static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
1546 				  u32 len, __be32 *buf)
1547 {
1548 	return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0);
1549 }
1550 
1551 unsigned int t4_get_regs_len(struct adapter *adapter);
1552 void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
1553 
1554 int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz);
1555 int t4_seeprom_wp(struct adapter *adapter, bool enable);
1556 int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
1557 int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
1558 int t4_read_flash(struct adapter *adapter, unsigned int addr,
1559 		  unsigned int nwords, u32 *data, int byte_oriented);
1560 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
1561 int t4_load_phy_fw(struct adapter *adap,
1562 		   int win, spinlock_t *lock,
1563 		   int (*phy_fw_version)(const u8 *, size_t),
1564 		   const u8 *phy_fw_data, size_t phy_fw_size);
1565 int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver);
1566 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op);
1567 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1568 		  const u8 *fw_data, unsigned int size, int force);
1569 int t4_fl_pkt_align(struct adapter *adap);
1570 unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1571 int t4_check_fw_version(struct adapter *adap);
1572 int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
1573 int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1574 int t4_get_bs_version(struct adapter *adapter, u32 *vers);
1575 int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1576 int t4_get_exprom_version(struct adapter *adapter, u32 *vers);
1577 int t4_get_scfg_version(struct adapter *adapter, u32 *vers);
1578 int t4_get_vpd_version(struct adapter *adapter, u32 *vers);
1579 int t4_get_version_info(struct adapter *adapter);
1580 void t4_dump_version_info(struct adapter *adapter);
1581 int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
1582 	       const u8 *fw_data, unsigned int fw_size,
1583 	       struct fw_hdr *card_fw, enum dev_state state, int *reset);
1584 int t4_prep_adapter(struct adapter *adapter);
1585 int t4_shutdown_adapter(struct adapter *adapter);
1586 
1587 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1588 int t4_bar2_sge_qregs(struct adapter *adapter,
1589 		      unsigned int qid,
1590 		      enum t4_bar2_qtype qtype,
1591 		      int user,
1592 		      u64 *pbar2_qoffset,
1593 		      unsigned int *pbar2_qid);
1594 
1595 unsigned int qtimer_val(const struct adapter *adap,
1596 			const struct sge_rspq *q);
1597 
1598 int t4_init_devlog_params(struct adapter *adapter);
1599 int t4_init_sge_params(struct adapter *adapter);
1600 int t4_init_tp_params(struct adapter *adap, bool sleep_ok);
1601 int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1602 int t4_init_rss_mode(struct adapter *adap, int mbox);
1603 int t4_init_portinfo(struct port_info *pi, int mbox,
1604 		     int port, int pf, int vf, u8 mac[]);
1605 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1606 void t4_fatal_err(struct adapter *adapter);
1607 unsigned int t4_chip_rss_size(struct adapter *adapter);
1608 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1609 			int start, int n, const u16 *rspq, unsigned int nrspq);
1610 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1611 		       unsigned int flags);
1612 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
1613 		     unsigned int flags, unsigned int defq);
1614 int t4_read_rss(struct adapter *adapter, u16 *entries);
1615 void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok);
1616 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
1617 		      bool sleep_ok);
1618 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
1619 			   u32 *valp, bool sleep_ok);
1620 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
1621 			   u32 *vfl, u32 *vfh, bool sleep_ok);
1622 u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok);
1623 u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok);
1624 
1625 unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx);
1626 unsigned int t4_get_tp_ch_map(struct adapter *adapter, int pidx);
1627 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1628 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1629 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data,
1630 		    size_t n);
1631 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data,
1632 		    size_t n);
1633 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1634 		unsigned int *valp);
1635 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1636 		 const unsigned int *valp);
1637 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
1638 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
1639 			unsigned int *pif_req_wrptr,
1640 			unsigned int *pif_rsp_wrptr);
1641 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp);
1642 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
1643 const char *t4_get_port_type_description(enum fw_port_type port_type);
1644 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1645 void t4_get_port_stats_offset(struct adapter *adap, int idx,
1646 			      struct port_stats *stats,
1647 			      struct port_stats *offset);
1648 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p);
1649 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1650 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
1651 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1652 			    unsigned int mask, unsigned int val);
1653 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
1654 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
1655 			 bool sleep_ok);
1656 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
1657 			 bool sleep_ok);
1658 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
1659 			  bool sleep_ok);
1660 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
1661 		      bool sleep_ok);
1662 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1663 			 struct tp_tcp_stats *v6, bool sleep_ok);
1664 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
1665 		       struct tp_fcoe_stats *st, bool sleep_ok);
1666 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1667 		  const unsigned short *alpha, const unsigned short *beta);
1668 
1669 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf);
1670 
1671 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
1672 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1673 
1674 void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
1675 			 const u8 *addr);
1676 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
1677 		      u64 mask0, u64 mask1, unsigned int crc, bool enable);
1678 
1679 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1680 		enum dev_master master, enum dev_state *state);
1681 int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1682 int t4_early_init(struct adapter *adap, unsigned int mbox);
1683 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1684 int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1685 			  unsigned int cache_line_size);
1686 int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1687 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1688 		    unsigned int vf, unsigned int nparams, const u32 *params,
1689 		    u32 *val);
1690 int t4_query_params_ns(struct adapter *adap, unsigned int mbox, unsigned int pf,
1691 		       unsigned int vf, unsigned int nparams, const u32 *params,
1692 		       u32 *val);
1693 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
1694 		       unsigned int vf, unsigned int nparams, const u32 *params,
1695 		       u32 *val, int rw, bool sleep_ok);
1696 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
1697 			  unsigned int pf, unsigned int vf,
1698 			  unsigned int nparams, const u32 *params,
1699 			  const u32 *val, int timeout);
1700 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1701 		  unsigned int vf, unsigned int nparams, const u32 *params,
1702 		  const u32 *val);
1703 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
1704 		unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
1705 		unsigned int rxqi, unsigned int rxq, unsigned int tc,
1706 		unsigned int vi, unsigned int cmask, unsigned int pmask,
1707 		unsigned int nexact, unsigned int rcaps, unsigned int wxcaps);
1708 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
1709 		unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
1710 		unsigned int *rss_size);
1711 int t4_free_vi(struct adapter *adap, unsigned int mbox,
1712 	       unsigned int pf, unsigned int vf,
1713 	       unsigned int viid);
1714 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
1715 		int mtu, int promisc, int all_multi, int bcast, int vlanex,
1716 		bool sleep_ok);
1717 int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
1718 			 const u8 *addr, const u8 *mask, unsigned int idx,
1719 			 u8 lookup_type, u8 port_id, bool sleep_ok);
1720 int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid, int idx,
1721 			   bool sleep_ok);
1722 int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
1723 			    const u8 *addr, const u8 *mask, unsigned int vni,
1724 			    unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
1725 			    bool sleep_ok);
1726 int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
1727 			  const u8 *addr, const u8 *mask, unsigned int idx,
1728 			  u8 lookup_type, u8 port_id, bool sleep_ok);
1729 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
1730 		      unsigned int viid, bool free, unsigned int naddr,
1731 		      const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok);
1732 int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
1733 		     unsigned int viid, unsigned int naddr,
1734 		     const u8 **addr, bool sleep_ok);
1735 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
1736 		  int idx, const u8 *addr, bool persist, bool add_smt);
1737 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
1738 		     bool ucast, u64 vec, bool sleep_ok);
1739 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
1740 			unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
1741 int t4_enable_pi_params(struct adapter *adap, unsigned int mbox,
1742 			struct port_info *pi,
1743 			bool rx_en, bool tx_en, bool dcb_en);
1744 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
1745 		 bool rx_en, bool tx_en);
1746 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
1747 		     unsigned int nblinks);
1748 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1749 	       unsigned int mmd, unsigned int reg, u16 *valp);
1750 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1751 	       unsigned int mmd, unsigned int reg, u16 val);
1752 int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
1753 	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
1754 	       unsigned int fl0id, unsigned int fl1id);
1755 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1756 	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
1757 	       unsigned int fl0id, unsigned int fl1id);
1758 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1759 		   unsigned int vf, unsigned int eqid);
1760 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1761 		    unsigned int vf, unsigned int eqid);
1762 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1763 		    unsigned int vf, unsigned int eqid);
1764 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type);
1765 void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl);
1766 int t4_update_port_info(struct port_info *pi);
1767 int t4_get_link_params(struct port_info *pi, unsigned int *link_okp,
1768 		       unsigned int *speedp, unsigned int *mtup);
1769 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
1770 void t4_db_full(struct adapter *adapter);
1771 void t4_db_dropped(struct adapter *adapter);
1772 int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
1773 			int filter_index, int enable);
1774 void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
1775 			 int filter_index, int *enabled);
1776 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
1777 			 u32 addr, u32 val);
1778 void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);
1779 void t4_get_tx_sched(struct adapter *adap, unsigned int sched,
1780 		     unsigned int *kbps, unsigned int *ipg, bool sleep_ok);
1781 int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
1782 		   enum ctxt_type ctype, u32 *data);
1783 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
1784 		      enum ctxt_type ctype, u32 *data);
1785 int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
1786 		    int rateunit, int ratemode, int channel, int class,
1787 		    int minrate, int maxrate, int weight, int pktsize);
1788 void t4_sge_decode_idma_state(struct adapter *adapter, int state);
1789 void t4_idma_monitor_init(struct adapter *adapter,
1790 			  struct sge_idma_monitor_state *idma);
1791 void t4_idma_monitor(struct adapter *adapter,
1792 		     struct sge_idma_monitor_state *idma,
1793 		     int hz, int ticks);
1794 int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf,
1795 		      unsigned int naddr, u8 *addr);
1796 void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
1797 		    u32 start_index, bool sleep_ok);
1798 void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
1799 		       u32 start_index, bool sleep_ok);
1800 void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
1801 		    u32 start_index, bool sleep_ok);
1802 
1803 void t4_uld_mem_free(struct adapter *adap);
1804 int t4_uld_mem_alloc(struct adapter *adap);
1805 void t4_uld_clean_up(struct adapter *adap);
1806 void t4_register_netevent_notifier(void);
1807 int t4_i2c_rd(struct adapter *adap, unsigned int mbox, int port,
1808 	      unsigned int devid, unsigned int offset,
1809 	      unsigned int len, u8 *buf);
1810 void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl);
1811 void free_tx_desc(struct adapter *adap, struct sge_txq *q,
1812 		  unsigned int n, bool unmap);
1813 void free_txq(struct adapter *adap, struct sge_txq *q);
1814 void cxgb4_reclaim_completed_tx(struct adapter *adap,
1815 				struct sge_txq *q, bool unmap);
1816 int cxgb4_map_skb(struct device *dev, const struct sk_buff *skb,
1817 		  dma_addr_t *addr);
1818 void cxgb4_inline_tx_skb(const struct sk_buff *skb, const struct sge_txq *q,
1819 			 void *pos);
1820 void cxgb4_write_sgl(const struct sk_buff *skb, struct sge_txq *q,
1821 		     struct ulptx_sgl *sgl, u64 *end, unsigned int start,
1822 		     const dma_addr_t *addr);
1823 void cxgb4_ring_tx_db(struct adapter *adap, struct sge_txq *q, int n);
1824 int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
1825 		    u16 vlan);
1826 #endif /* __CXGB4_H__ */
1827