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__)
63 extern struct list_head adapter_list;
64 extern struct list_head uld_list;
65 extern 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
84 enum {
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
92 enum {
93 T4_REGMAP_SIZE = (160 * 1024),
94 T5_REGMAP_SIZE = (332 * 1024),
95 };
96
97 enum {
98 MEM_EDC0,
99 MEM_EDC1,
100 MEM_MC,
101 MEM_MC0 = MEM_MC,
102 MEM_MC1,
103 MEM_HMA,
104 };
105
106 enum {
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
118 enum dev_master {
119 MASTER_CANT,
120 MASTER_MAY,
121 MASTER_MUST
122 };
123
124 enum dev_state {
125 DEV_STATE_UNINIT,
126 DEV_STATE_INIT,
127 DEV_STATE_ERR
128 };
129
130 enum cc_pause {
131 PAUSE_RX = 1 << 0,
132 PAUSE_TX = 1 << 1,
133 PAUSE_AUTONEG = 1 << 2
134 };
135
136 enum 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
142 enum {
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
149 enum cxgb4_netdev_tls_ops {
150 CXGB4_TLSDEV_OPS = 1,
151 CXGB4_XFRMDEV_OPS
152 };
153
154 struct cxgb4_bootcfg_data {
155 __le16 signature;
156 __u8 reserved[2];
157 };
158
159 struct 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 */
175 struct 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 */
182 struct 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 */
196 enum {
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
205 struct 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
272 struct 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
300 struct 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
307 struct tp_usm_stats {
308 u32 frames;
309 u32 drops;
310 u64 octets;
311 };
312
313 struct tp_fcoe_stats {
314 u32 frames_ddp;
315 u32 frames_drop;
316 u64 octets_ddp;
317 };
318
319 struct 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
332 struct tp_cpl_stats {
333 u32 req[4];
334 u32 rsp[4];
335 };
336
337 struct tp_rdma_stats {
338 u32 rqe_dfr_pkt;
339 u32 rqe_dfr_mod;
340 };
341
342 struct 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
348 struct 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
391 struct 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 */
401 struct 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
414 struct pci_params {
415 unsigned char speed;
416 unsigned char width;
417 };
418
419 struct 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 */
426 struct 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
436 struct 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 */
495 struct 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 */
507 struct 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
515 struct 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 */
mbox_cmd_log_entry(struct mbox_cmd_log * log,unsigned int entry_idx)525 static 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
538 struct cxgb4_ethtool_lb_test {
539 struct completion completion;
540 int result;
541 int loopback;
542 };
543
544 struct fw_info {
545 u8 chip;
546 char *fs_name;
547 char *fw_mod_name;
548 struct fw_hdr fw_hdr;
549 };
550
551 struct 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
562 struct cxgb4_fw_data {
563 __be32 signature;
564 __u8 reserved[4];
565 };
566
567 /* Firmware Port Capabilities types. */
568
569 typedef u16 fw_port_cap16_t; /* 16-bit Port Capabilities integral value */
570 typedef u32 fw_port_cap32_t; /* 32-bit Port Capabilities integral value */
571
572 enum 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
578 struct 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
605 enum {
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
611 enum {
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
622 enum {
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
629 enum {
630 INGQ_EXTRAS = 2, /* firmware event queue and */
631 /* forwarded interrupts */
632 MAX_INGQ = MAX_ETH_QSETS + INGQ_EXTRAS,
633 };
634
635 enum {
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
644 struct adapter;
645 struct 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
653 struct 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
700 struct dentry;
701 struct work_struct;
702
703 enum { /* 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
718 enum {
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
731 struct rx_sw_desc;
732
733 struct 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 */
754 struct 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
762 typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
763 const struct pkt_gl *gl);
764 typedef void (*rspq_flush_handler_t)(struct sge_rspq *q);
765 /* LRO related declarations for ULD */
766 struct 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
774 struct 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
801 struct 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
811 struct 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
818 struct 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
825 struct 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
832 struct tx_desc {
833 __be64 flit[8];
834 };
835
836 struct ulptx_sgl;
837
838 struct 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
843 struct 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
864 struct 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
879 struct 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
889 struct 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
897 struct 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
906 struct 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 */
913 struct cxgb4_uld_list {
914 struct cxgb4_uld_info uld_info;
915 struct list_head list_node;
916 enum cxgb4_uld uld_type;
917 };
918
919 enum 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
928 struct 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
953 struct 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
964 struct 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
1020 struct 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
1032 struct doorbell_stats {
1033 u32 db_drop;
1034 u32 db_empty;
1035 u32 db_full;
1036 };
1037
1038 struct hash_mac_addr {
1039 struct list_head list;
1040 u8 addr[ETH_ALEN];
1041 unsigned int iface_mac;
1042 };
1043
1044 struct msix_bmap {
1045 unsigned long *msix_bmap;
1046 unsigned int mapsize;
1047 spinlock_t lock; /* lock for acquiring bitmap */
1048 };
1049
1050 struct msix_info {
1051 unsigned short vec;
1052 char desc[IFNAMSIZ + 10];
1053 unsigned int idx;
1054 cpumask_var_t aff_mask;
1055 };
1056
1057 struct 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
1065 enum {
1066 HMA_DMA_MAPPED_FLAG = 1
1067 };
1068
1069 struct hma_data {
1070 unsigned char flags;
1071 struct sg_table *sgt;
1072 dma_addr_t *phy_addr; /* physical address of the page */
1073 };
1074
1075 struct mbox_list {
1076 struct list_head list;
1077 };
1078
1079 #if IS_ENABLED(CONFIG_THERMAL)
1080 struct ch_thermal {
1081 struct thermal_zone_device *tzdev;
1082 };
1083 #endif
1084
1085 struct 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
1093 struct 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
1099 struct cxgb4_ethtool_filter {
1100 u32 nentries; /* Adapter wide number of supported filters */
1101 struct cxgb4_ethtool_filter_info *port; /* Per port entry */
1102 };
1103
1104 struct 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 /* HMA */
1215 struct hma_data hma;
1216
1217 struct srq_data *srq;
1218
1219 /* Dump buffer for collecting logs in kdump kernel */
1220 struct vmcoredd_data vmcoredd;
1221 #if IS_ENABLED(CONFIG_THERMAL)
1222 struct ch_thermal ch_thermal;
1223 #endif
1224
1225 /* TC MQPRIO offload */
1226 struct cxgb4_tc_mqprio *tc_mqprio;
1227
1228 /* TC MATCHALL classifier offload */
1229 struct cxgb4_tc_matchall *tc_matchall;
1230
1231 /* Ethtool n-tuple */
1232 struct cxgb4_ethtool_filter *ethtool_filters;
1233
1234 /* Ethtool Dump */
1235 /* Must be last - ends in a flex-array member. */
1236 struct ethtool_dump eth_dump;
1237 };
1238
1239 /* Support for "sched-class" command to allow a TX Scheduling Class to be
1240 * programmed with various parameters.
1241 */
1242 struct ch_sched_params {
1243 u8 type; /* packet or flow */
1244 union {
1245 struct {
1246 u8 level; /* scheduler hierarchy level */
1247 u8 mode; /* per-class or per-flow */
1248 u8 rateunit; /* bit or packet rate */
1249 u8 ratemode; /* %port relative or kbps absolute */
1250 u8 channel; /* scheduler channel [0..N] */
1251 u8 class; /* scheduler class [0..N] */
1252 u32 minrate; /* minimum rate */
1253 u32 maxrate; /* maximum rate */
1254 u16 weight; /* percent weight */
1255 u16 pktsize; /* average packet size */
1256 u16 burstsize; /* burst buffer size */
1257 } params;
1258 } u;
1259 };
1260
1261 enum {
1262 SCHED_CLASS_TYPE_PACKET = 0, /* class type */
1263 };
1264
1265 enum {
1266 SCHED_CLASS_LEVEL_CL_RL = 0, /* class rate limiter */
1267 SCHED_CLASS_LEVEL_CH_RL = 2, /* channel rate limiter */
1268 };
1269
1270 enum {
1271 SCHED_CLASS_MODE_CLASS = 0, /* per-class scheduling */
1272 SCHED_CLASS_MODE_FLOW, /* per-flow scheduling */
1273 };
1274
1275 enum {
1276 SCHED_CLASS_RATEUNIT_BITS = 0, /* bit rate scheduling */
1277 };
1278
1279 enum {
1280 SCHED_CLASS_RATEMODE_ABS = 1, /* Kb/s */
1281 };
1282
1283 /* Support for "sched_queue" command to allow one or more NIC TX Queues
1284 * to be bound to a TX Scheduling Class.
1285 */
1286 struct ch_sched_queue {
1287 s8 queue; /* queue index */
1288 s8 class; /* class index */
1289 };
1290
1291 /* Support for "sched_flowc" command to allow one or more FLOWC
1292 * to be bound to a TX Scheduling Class.
1293 */
1294 struct ch_sched_flowc {
1295 s32 tid; /* TID to bind */
1296 s8 class; /* class index */
1297 };
1298
1299 /* Defined bit width of user definable filter tuples
1300 */
1301 #define ETHTYPE_BITWIDTH 16
1302 #define FRAG_BITWIDTH 1
1303 #define MACIDX_BITWIDTH 9
1304 #define FCOE_BITWIDTH 1
1305 #define IPORT_BITWIDTH 3
1306 #define MATCHTYPE_BITWIDTH 3
1307 #define PROTO_BITWIDTH 8
1308 #define TOS_BITWIDTH 8
1309 #define PF_BITWIDTH 8
1310 #define VF_BITWIDTH 8
1311 #define IVLAN_BITWIDTH 16
1312 #define OVLAN_BITWIDTH 16
1313 #define ENCAP_VNI_BITWIDTH 24
1314
1315 /* Filter matching rules. These consist of a set of ingress packet field
1316 * (value, mask) tuples. The associated ingress packet field matches the
1317 * tuple when ((field & mask) == value). (Thus a wildcard "don't care" field
1318 * rule can be constructed by specifying a tuple of (0, 0).) A filter rule
1319 * matches an ingress packet when all of the individual individual field
1320 * matching rules are true.
1321 *
1322 * Partial field masks are always valid, however, while it may be easy to
1323 * understand their meanings for some fields (e.g. IP address to match a
1324 * subnet), for others making sensible partial masks is less intuitive (e.g.
1325 * MPS match type) ...
1326 *
1327 * Most of the following data structures are modeled on T4 capabilities.
1328 * Drivers for earlier chips use the subsets which make sense for those chips.
1329 * We really need to come up with a hardware-independent mechanism to
1330 * represent hardware filter capabilities ...
1331 */
1332 struct ch_filter_tuple {
1333 /* Compressed header matching field rules. The TP_VLAN_PRI_MAP
1334 * register selects which of these fields will participate in the
1335 * filter match rules -- up to a maximum of 36 bits. Because
1336 * TP_VLAN_PRI_MAP is a global register, all filters must use the same
1337 * set of fields.
1338 */
1339 uint32_t ethtype:ETHTYPE_BITWIDTH; /* Ethernet type */
1340 uint32_t frag:FRAG_BITWIDTH; /* IP fragmentation header */
1341 uint32_t ivlan_vld:1; /* inner VLAN valid */
1342 uint32_t ovlan_vld:1; /* outer VLAN valid */
1343 uint32_t pfvf_vld:1; /* PF/VF valid */
1344 uint32_t encap_vld:1; /* Encapsulation valid */
1345 uint32_t macidx:MACIDX_BITWIDTH; /* exact match MAC index */
1346 uint32_t fcoe:FCOE_BITWIDTH; /* FCoE packet */
1347 uint32_t iport:IPORT_BITWIDTH; /* ingress port */
1348 uint32_t matchtype:MATCHTYPE_BITWIDTH; /* MPS match type */
1349 uint32_t proto:PROTO_BITWIDTH; /* protocol type */
1350 uint32_t tos:TOS_BITWIDTH; /* TOS/Traffic Type */
1351 uint32_t pf:PF_BITWIDTH; /* PCI-E PF ID */
1352 uint32_t vf:VF_BITWIDTH; /* PCI-E VF ID */
1353 uint32_t ivlan:IVLAN_BITWIDTH; /* inner VLAN */
1354 uint32_t ovlan:OVLAN_BITWIDTH; /* outer VLAN */
1355 uint32_t vni:ENCAP_VNI_BITWIDTH; /* VNI of tunnel */
1356
1357 /* Uncompressed header matching field rules. These are always
1358 * available for field rules.
1359 */
1360 uint8_t lip[16]; /* local IP address (IPv4 in [3:0]) */
1361 uint8_t fip[16]; /* foreign IP address (IPv4 in [3:0]) */
1362 uint16_t lport; /* local port */
1363 uint16_t fport; /* foreign port */
1364 };
1365
1366 /* A filter ioctl command.
1367 */
1368 struct ch_filter_specification {
1369 /* Administrative fields for filter.
1370 */
1371 uint32_t hitcnts:1; /* count filter hits in TCB */
1372 uint32_t prio:1; /* filter has priority over active/server */
1373
1374 /* Fundamental filter typing. This is the one element of filter
1375 * matching that doesn't exist as a (value, mask) tuple.
1376 */
1377 uint32_t type:1; /* 0 => IPv4, 1 => IPv6 */
1378 u32 hash:1; /* 0 => wild-card, 1 => exact-match */
1379
1380 /* Packet dispatch information. Ingress packets which match the
1381 * filter rules will be dropped, passed to the host or switched back
1382 * out as egress packets.
1383 */
1384 uint32_t action:2; /* drop, pass, switch */
1385
1386 uint32_t rpttid:1; /* report TID in RSS hash field */
1387
1388 uint32_t dirsteer:1; /* 0 => RSS, 1 => steer to iq */
1389 uint32_t iq:10; /* ingress queue */
1390
1391 uint32_t maskhash:1; /* dirsteer=0: store RSS hash in TCB */
1392 uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */
1393 /* 1 => TCB contains IQ ID */
1394
1395 /* Switch proxy/rewrite fields. An ingress packet which matches a
1396 * filter with "switch" set will be looped back out as an egress
1397 * packet -- potentially with some Ethernet header rewriting.
1398 */
1399 uint32_t eport:2; /* egress port to switch packet out */
1400 uint32_t newdmac:1; /* rewrite destination MAC address */
1401 uint32_t newsmac:1; /* rewrite source MAC address */
1402 uint32_t newvlan:2; /* rewrite VLAN Tag */
1403 uint32_t nat_mode:3; /* specify NAT operation mode */
1404 uint8_t dmac[ETH_ALEN]; /* new destination MAC address */
1405 uint8_t smac[ETH_ALEN]; /* new source MAC address */
1406 uint16_t vlan; /* VLAN Tag to insert */
1407
1408 u8 nat_lip[16]; /* local IP to use after NAT'ing */
1409 u8 nat_fip[16]; /* foreign IP to use after NAT'ing */
1410 u16 nat_lport; /* local port to use after NAT'ing */
1411 u16 nat_fport; /* foreign port to use after NAT'ing */
1412
1413 u32 tc_prio; /* TC's filter priority index */
1414 u64 tc_cookie; /* Unique cookie identifying TC rules */
1415
1416 /* reservation for future additions */
1417 u8 rsvd[12];
1418
1419 /* Filter rule value/mask pairs.
1420 */
1421 struct ch_filter_tuple val;
1422 struct ch_filter_tuple mask;
1423 };
1424
1425 enum {
1426 FILTER_PASS = 0, /* default */
1427 FILTER_DROP,
1428 FILTER_SWITCH
1429 };
1430
1431 enum {
1432 VLAN_NOCHANGE = 0, /* default */
1433 VLAN_REMOVE,
1434 VLAN_INSERT,
1435 VLAN_REWRITE
1436 };
1437
1438 enum {
1439 NAT_MODE_NONE = 0, /* No NAT performed */
1440 NAT_MODE_DIP, /* NAT on Dst IP */
1441 NAT_MODE_DIP_DP, /* NAT on Dst IP, Dst Port */
1442 NAT_MODE_DIP_DP_SIP, /* NAT on Dst IP, Dst Port and Src IP */
1443 NAT_MODE_DIP_DP_SP, /* NAT on Dst IP, Dst Port and Src Port */
1444 NAT_MODE_SIP_SP, /* NAT on Src IP and Src Port */
1445 NAT_MODE_DIP_SIP_SP, /* NAT on Dst IP, Src IP and Src Port */
1446 NAT_MODE_ALL /* NAT on entire 4-tuple */
1447 };
1448
1449 #define CXGB4_FILTER_TYPE_MAX 2
1450
1451 /* Host shadow copy of ingress filter entry. This is in host native format
1452 * and doesn't match the ordering or bit order, etc. of the hardware of the
1453 * firmware command. The use of bit-field structure elements is purely to
1454 * remind ourselves of the field size limitations and save memory in the case
1455 * where the filter table is large.
1456 */
1457 struct filter_entry {
1458 /* Administrative fields for filter. */
1459 u32 valid:1; /* filter allocated and valid */
1460 u32 locked:1; /* filter is administratively locked */
1461
1462 u32 pending:1; /* filter action is pending firmware reply */
1463 struct filter_ctx *ctx; /* Caller's completion hook */
1464 struct l2t_entry *l2t; /* Layer Two Table entry for dmac */
1465 struct smt_entry *smt; /* Source Mac Table entry for smac */
1466 struct net_device *dev; /* Associated net device */
1467 u32 tid; /* This will store the actual tid */
1468
1469 /* The filter itself. Most of this is a straight copy of information
1470 * provided by the extended ioctl(). Some fields are translated to
1471 * internal forms -- for instance the Ingress Queue ID passed in from
1472 * the ioctl() is translated into the Absolute Ingress Queue ID.
1473 */
1474 struct ch_filter_specification fs;
1475 };
1476
is_offload(const struct adapter * adap)1477 static inline int is_offload(const struct adapter *adap)
1478 {
1479 return adap->params.offload;
1480 }
1481
is_hashfilter(const struct adapter * adap)1482 static inline int is_hashfilter(const struct adapter *adap)
1483 {
1484 return adap->params.hash_filter;
1485 }
1486
is_pci_uld(const struct adapter * adap)1487 static inline int is_pci_uld(const struct adapter *adap)
1488 {
1489 return adap->params.crypto;
1490 }
1491
is_uld(const struct adapter * adap)1492 static inline int is_uld(const struct adapter *adap)
1493 {
1494 return (adap->params.offload || adap->params.crypto);
1495 }
1496
is_ethofld(const struct adapter * adap)1497 static inline int is_ethofld(const struct adapter *adap)
1498 {
1499 return adap->params.ethofld;
1500 }
1501
t4_read_reg(struct adapter * adap,u32 reg_addr)1502 static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
1503 {
1504 return readl(adap->regs + reg_addr);
1505 }
1506
t4_write_reg(struct adapter * adap,u32 reg_addr,u32 val)1507 static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val)
1508 {
1509 writel(val, adap->regs + reg_addr);
1510 }
1511
1512 #ifndef readq
readq(const volatile void __iomem * addr)1513 static inline u64 readq(const volatile void __iomem *addr)
1514 {
1515 return readl(addr) + ((u64)readl(addr + 4) << 32);
1516 }
1517
writeq(u64 val,volatile void __iomem * addr)1518 static inline void writeq(u64 val, volatile void __iomem *addr)
1519 {
1520 writel(val, addr);
1521 writel(val >> 32, addr + 4);
1522 }
1523 #endif
1524
t4_read_reg64(struct adapter * adap,u32 reg_addr)1525 static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
1526 {
1527 return readq(adap->regs + reg_addr);
1528 }
1529
t4_write_reg64(struct adapter * adap,u32 reg_addr,u64 val)1530 static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
1531 {
1532 writeq(val, adap->regs + reg_addr);
1533 }
1534
1535 /**
1536 * t4_set_hw_addr - store a port's MAC address in SW
1537 * @adapter: the adapter
1538 * @port_idx: the port index
1539 * @hw_addr: the Ethernet address
1540 *
1541 * Store the Ethernet address of the given port in SW. Called by the common
1542 * code when it retrieves a port's Ethernet address from EEPROM.
1543 */
t4_set_hw_addr(struct adapter * adapter,int port_idx,u8 hw_addr[])1544 static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx,
1545 u8 hw_addr[])
1546 {
1547 eth_hw_addr_set(adapter->port[port_idx], hw_addr);
1548 ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr);
1549 }
1550
1551 /**
1552 * netdev2pinfo - return the port_info structure associated with a net_device
1553 * @dev: the netdev
1554 *
1555 * Return the struct port_info associated with a net_device
1556 */
netdev2pinfo(const struct net_device * dev)1557 static inline struct port_info *netdev2pinfo(const struct net_device *dev)
1558 {
1559 return netdev_priv(dev);
1560 }
1561
1562 /**
1563 * adap2pinfo - return the port_info of a port
1564 * @adap: the adapter
1565 * @idx: the port index
1566 *
1567 * Return the port_info structure for the port of the given index.
1568 */
adap2pinfo(struct adapter * adap,int idx)1569 static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
1570 {
1571 return netdev_priv(adap->port[idx]);
1572 }
1573
1574 /**
1575 * netdev2adap - return the adapter structure associated with a net_device
1576 * @dev: the netdev
1577 *
1578 * Return the struct adapter associated with a net_device
1579 */
netdev2adap(const struct net_device * dev)1580 static inline struct adapter *netdev2adap(const struct net_device *dev)
1581 {
1582 return netdev2pinfo(dev)->adapter;
1583 }
1584
1585 /* Return a version number to identify the type of adapter. The scheme is:
1586 * - bits 0..9: chip version
1587 * - bits 10..15: chip revision
1588 * - bits 16..23: register dump version
1589 */
mk_adap_vers(struct adapter * ap)1590 static inline unsigned int mk_adap_vers(struct adapter *ap)
1591 {
1592 return CHELSIO_CHIP_VERSION(ap->params.chip) |
1593 (CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
1594 }
1595
1596 /* Return a queue's interrupt hold-off time in us. 0 means no timer. */
qtimer_val(const struct adapter * adap,const struct sge_rspq * q)1597 static inline unsigned int qtimer_val(const struct adapter *adap,
1598 const struct sge_rspq *q)
1599 {
1600 unsigned int idx = q->intr_params >> 1;
1601
1602 return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0;
1603 }
1604
1605 /* driver name used for ethtool_drvinfo */
1606 extern char cxgb4_driver_name[];
1607
1608 void t4_os_portmod_changed(struct adapter *adap, int port_id);
1609 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
1610
1611 void t4_free_sge_resources(struct adapter *adap);
1612 irq_handler_t t4_intr_handler(struct adapter *adap);
1613 netdev_tx_t t4_start_xmit(struct sk_buff *skb, struct net_device *dev);
1614 int cxgb4_selftest_lb_pkt(struct net_device *netdev);
1615 int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
1616 const struct pkt_gl *gl);
1617 int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
1618 int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
1619 int 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);
1623 int 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);
1626 int 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);
1629 int t4_sge_mod_ctrl_txq(struct adapter *adap, unsigned int eqid,
1630 unsigned int cmplqid);
1631 int 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);
1634 int t4_sge_alloc_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq,
1635 struct net_device *dev, u32 iqid);
1636 void t4_sge_free_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq);
1637 irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
1638 int t4_sge_init(struct adapter *adap);
1639 void t4_sge_start(struct adapter *adap);
1640 void t4_sge_stop(struct adapter *adap);
1641 int t4_sge_eth_txq_egress_update(struct adapter *adap, struct sge_eth_txq *q,
1642 int maxreclaim);
1643 void cxgb4_set_ethtool_ops(struct net_device *netdev);
1644 int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
1645 enum cpl_tx_tnl_lso_type cxgb_encap_offload_supported(struct sk_buff *skb);
1646 extern int dbfifo_int_thresh;
1647
1648 #define for_each_port(adapter, iter) \
1649 for (iter = 0; iter < (adapter)->params.nports; ++iter)
1650
is_bypass(struct adapter * adap)1651 static inline int is_bypass(struct adapter *adap)
1652 {
1653 return adap->params.bypass;
1654 }
1655
is_bypass_device(int device)1656 static 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
is_10gbt_device(int device)1668 static 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
core_ticks_per_usec(const struct adapter * adap)1681 static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
1682 {
1683 return adap->params.vpd.cclk / 1000;
1684 }
1685
us_to_core_ticks(const struct adapter * adap,unsigned int us)1686 static 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
core_ticks_to_us(const struct adapter * adapter,unsigned int ticks)1692 static 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
dack_ticks_to_usec(const struct adapter * adap,unsigned int ticks)1700 static 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
1706 void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
1707 u32 val);
1708
1709 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
1710 int size, void *rpl, bool sleep_ok, int timeout);
1711 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
1712 void *rpl, bool sleep_ok);
1713
t4_wr_mbox_timeout(struct adapter * adap,int mbox,const void * cmd,int size,void * rpl,int timeout)1714 static 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
t4_wr_mbox(struct adapter * adap,int mbox,const void * cmd,int size,void * rpl)1722 static 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
t4_wr_mbox_ns(struct adapter * adap,int mbox,const void * cmd,int size,void * rpl)1728 static 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 */
hash_mac_addr(const u8 * addr)1741 static 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
1752 int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
1753 unsigned int cnt);
init_rspq(struct adapter * adap,struct sge_rspq * q,unsigned int us,unsigned int cnt,unsigned int size,unsigned int iqe_size)1754 static 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 */
t4_is_inserted_mod_type(unsigned int fw_mod_type)1771 static 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
1779 void 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);
1782 void 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);
1785 void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
1786
1787 struct fw_filter_wr;
1788
1789 void t4_intr_enable(struct adapter *adapter);
1790 void t4_intr_disable(struct adapter *adapter);
1791 int t4_slow_intr_handler(struct adapter *adapter);
1792
1793 int t4_wait_dev_ready(void __iomem *regs);
1794
1795 fw_port_cap32_t t4_link_acaps(struct adapter *adapter, unsigned int port,
1796 struct link_config *lc);
1797 int 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
t4_link_l1cfg(struct adapter * adapter,unsigned int mbox,unsigned int port,struct link_config * lc)1801 static 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
t4_link_l1cfg_ns(struct adapter * adapter,unsigned int mbox,unsigned int port,struct link_config * lc)1808 static 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
1815 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
1816
1817 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
1818 u32 t4_get_util_window(struct adapter *adap);
1819 void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
1820
1821 int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off,
1822 u32 *mem_base, u32 *mem_aperture);
1823 void t4_memory_update_win(struct adapter *adap, int win, u32 addr);
1824 void 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
1828 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
1829 void *buf, int dir);
t4_memory_write(struct adapter * adap,int mtype,u32 addr,u32 len,__be32 * buf)1830 static 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
1836 unsigned int t4_get_regs_len(struct adapter *adapter);
1837 void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
1838
1839 int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz);
1840 int t4_seeprom_wp(struct adapter *adapter, bool enable);
1841 int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
1842 int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
1843 int t4_get_pfres(struct adapter *adapter);
1844 int t4_read_flash(struct adapter *adapter, unsigned int addr,
1845 unsigned int nwords, u32 *data, int byte_oriented);
1846 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
1847 int 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);
1850 int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver);
1851 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op);
1852 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1853 const u8 *fw_data, unsigned int size, int force);
1854 int t4_fl_pkt_align(struct adapter *adap);
1855 unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1856 int t4_check_fw_version(struct adapter *adap);
1857 int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
1858 int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1859 int t4_get_bs_version(struct adapter *adapter, u32 *vers);
1860 int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1861 int t4_get_exprom_version(struct adapter *adapter, u32 *vers);
1862 int t4_get_scfg_version(struct adapter *adapter, u32 *vers);
1863 int t4_get_vpd_version(struct adapter *adapter, u32 *vers);
1864 int t4_get_version_info(struct adapter *adapter);
1865 void t4_dump_version_info(struct adapter *adapter);
1866 int 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);
1869 int t4_prep_adapter(struct adapter *adapter);
1870 int t4_shutdown_adapter(struct adapter *adapter);
1871
1872 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1873 int 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
1880 unsigned int qtimer_val(const struct adapter *adap,
1881 const struct sge_rspq *q);
1882
1883 int t4_init_devlog_params(struct adapter *adapter);
1884 int t4_init_sge_params(struct adapter *adapter);
1885 int t4_init_tp_params(struct adapter *adap, bool sleep_ok);
1886 int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1887 int t4_init_rss_mode(struct adapter *adap, int mbox);
1888 int t4_init_portinfo(struct port_info *pi, int mbox,
1889 int port, int pf, int vf, u8 mac[]);
1890 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1891 int t4_init_port_mirror(struct port_info *pi, u8 mbox, u8 port, u8 pf, u8 vf,
1892 u16 *mirror_viid);
1893 void t4_fatal_err(struct adapter *adapter);
1894 unsigned int t4_chip_rss_size(struct adapter *adapter);
1895 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1896 int start, int n, const u16 *rspq, unsigned int nrspq);
1897 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1898 unsigned int flags);
1899 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
1900 unsigned int flags, unsigned int defq);
1901 int t4_read_rss(struct adapter *adapter, u16 *entries);
1902 void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok);
1903 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
1904 bool sleep_ok);
1905 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
1906 u32 *valp, bool sleep_ok);
1907 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
1908 u32 *vfl, u32 *vfh, bool sleep_ok);
1909 u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok);
1910 u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok);
1911
1912 unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx);
1913 unsigned int t4_get_tp_ch_map(struct adapter *adapter, int pidx);
1914 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1915 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1916 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data,
1917 size_t n);
1918 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data,
1919 size_t n);
1920 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1921 unsigned int *valp);
1922 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1923 const unsigned int *valp);
1924 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
1925 void 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);
1928 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp);
1929 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
1930 const char *t4_get_port_type_description(enum fw_port_type port_type);
1931 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1932 void t4_get_port_stats_offset(struct adapter *adap, int idx,
1933 struct port_stats *stats,
1934 struct port_stats *offset);
1935 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p);
1936 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1937 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
1938 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1939 unsigned int mask, unsigned int val);
1940 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
1941 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
1942 bool sleep_ok);
1943 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
1944 bool sleep_ok);
1945 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
1946 bool sleep_ok);
1947 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
1948 bool sleep_ok);
1949 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1950 struct tp_tcp_stats *v6, bool sleep_ok);
1951 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
1952 struct tp_fcoe_stats *st, bool sleep_ok);
1953 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1954 const unsigned short *alpha, const unsigned short *beta);
1955
1956 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf);
1957
1958 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
1959 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1960
1961 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1962 enum dev_master master, enum dev_state *state);
1963 int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1964 int t4_early_init(struct adapter *adap, unsigned int mbox);
1965 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1966 int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1967 unsigned int cache_line_size);
1968 int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1969 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1970 unsigned int vf, unsigned int nparams, const u32 *params,
1971 u32 *val);
1972 int t4_query_params_ns(struct adapter *adap, unsigned int mbox, unsigned int pf,
1973 unsigned int vf, unsigned int nparams, const u32 *params,
1974 u32 *val);
1975 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
1976 unsigned int vf, unsigned int nparams, const u32 *params,
1977 u32 *val, int rw, bool sleep_ok);
1978 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
1979 unsigned int pf, unsigned int vf,
1980 unsigned int nparams, const u32 *params,
1981 const u32 *val, int timeout);
1982 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1983 unsigned int vf, unsigned int nparams, const u32 *params,
1984 const u32 *val);
1985 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
1986 unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
1987 unsigned int rxqi, unsigned int rxq, unsigned int tc,
1988 unsigned int vi, unsigned int cmask, unsigned int pmask,
1989 unsigned int nexact, unsigned int rcaps, unsigned int wxcaps);
1990 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
1991 unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
1992 unsigned int *rss_size, u8 *vivld, u8 *vin);
1993 int t4_free_vi(struct adapter *adap, unsigned int mbox,
1994 unsigned int pf, unsigned int vf,
1995 unsigned int viid);
1996 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
1997 unsigned int viid_mirror, int mtu, int promisc, int all_multi,
1998 int bcast, int vlanex, bool sleep_ok);
1999 int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
2000 const u8 *addr, const u8 *mask, unsigned int idx,
2001 u8 lookup_type, u8 port_id, bool sleep_ok);
2002 int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid, int idx,
2003 bool sleep_ok);
2004 int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
2005 const u8 *addr, const u8 *mask, unsigned int vni,
2006 unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
2007 bool sleep_ok);
2008 int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
2009 const u8 *addr, const u8 *mask, unsigned int idx,
2010 u8 lookup_type, u8 port_id, bool sleep_ok);
2011 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
2012 unsigned int viid, bool free, unsigned int naddr,
2013 const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok);
2014 int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
2015 unsigned int viid, unsigned int naddr,
2016 const u8 **addr, bool sleep_ok);
2017 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
2018 int idx, const u8 *addr, bool persist, u8 *smt_idx);
2019 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
2020 bool ucast, u64 vec, bool sleep_ok);
2021 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
2022 unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
2023 int t4_enable_pi_params(struct adapter *adap, unsigned int mbox,
2024 struct port_info *pi,
2025 bool rx_en, bool tx_en, bool dcb_en);
2026 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
2027 bool rx_en, bool tx_en);
2028 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
2029 unsigned int nblinks);
2030 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
2031 unsigned int mmd, unsigned int reg, u16 *valp);
2032 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
2033 unsigned int mmd, unsigned int reg, u16 val);
2034 int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
2035 unsigned int vf, unsigned int iqtype, unsigned int iqid,
2036 unsigned int fl0id, unsigned int fl1id);
2037 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2038 unsigned int vf, unsigned int iqtype, unsigned int iqid,
2039 unsigned int fl0id, unsigned int fl1id);
2040 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2041 unsigned int vf, unsigned int eqid);
2042 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2043 unsigned int vf, unsigned int eqid);
2044 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2045 unsigned int vf, unsigned int eqid);
2046 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type);
2047 int t4_read_sge_dbqtimers(struct adapter *adap, unsigned int ndbqtimers,
2048 u16 *dbqtimers);
2049 void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl);
2050 int t4_update_port_info(struct port_info *pi);
2051 int t4_get_link_params(struct port_info *pi, unsigned int *link_okp,
2052 unsigned int *speedp, unsigned int *mtup);
2053 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
2054 void t4_db_full(struct adapter *adapter);
2055 void t4_db_dropped(struct adapter *adapter);
2056 int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
2057 int filter_index, int enable);
2058 void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
2059 int filter_index, int *enabled);
2060 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
2061 u32 addr, u32 val);
2062 void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);
2063 void t4_get_tx_sched(struct adapter *adap, unsigned int sched,
2064 unsigned int *kbps, unsigned int *ipg, bool sleep_ok);
2065 int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
2066 enum ctxt_type ctype, u32 *data);
2067 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
2068 enum ctxt_type ctype, u32 *data);
2069 int t4_sched_params(struct adapter *adapter, u8 type, u8 level, u8 mode,
2070 u8 rateunit, u8 ratemode, u8 channel, u8 class,
2071 u32 minrate, u32 maxrate, u16 weight, u16 pktsize,
2072 u16 burstsize);
2073 void t4_sge_decode_idma_state(struct adapter *adapter, int state);
2074 void t4_idma_monitor_init(struct adapter *adapter,
2075 struct sge_idma_monitor_state *idma);
2076 void t4_idma_monitor(struct adapter *adapter,
2077 struct sge_idma_monitor_state *idma,
2078 int hz, int ticks);
2079 int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf,
2080 u8 start, unsigned int naddr, u8 *addr);
2081 void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
2082 u32 start_index, bool sleep_ok);
2083 void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
2084 u32 start_index, bool sleep_ok);
2085 void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
2086 u32 start_index, bool sleep_ok);
2087
2088 void t4_uld_mem_free(struct adapter *adap);
2089 int t4_uld_mem_alloc(struct adapter *adap);
2090 void t4_uld_clean_up(struct adapter *adap);
2091 void t4_register_netevent_notifier(void);
2092 int t4_i2c_rd(struct adapter *adap, unsigned int mbox, int port,
2093 unsigned int devid, unsigned int offset,
2094 unsigned int len, u8 *buf);
2095 int t4_load_boot(struct adapter *adap, u8 *boot_data,
2096 unsigned int boot_addr, unsigned int size);
2097 int t4_load_bootcfg(struct adapter *adap,
2098 const u8 *cfg_data, unsigned int size);
2099 void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl);
2100 void free_tx_desc(struct adapter *adap, struct sge_txq *q,
2101 unsigned int n, bool unmap);
2102 void cxgb4_eosw_txq_free_desc(struct adapter *adap, struct sge_eosw_txq *txq,
2103 u32 ndesc);
2104 int cxgb4_ethofld_send_flowc(struct net_device *dev, u32 eotid, u32 tc);
2105 void cxgb4_ethofld_restart(struct tasklet_struct *t);
2106 int cxgb4_ethofld_rx_handler(struct sge_rspq *q, const __be64 *rsp,
2107 const struct pkt_gl *si);
2108 void free_txq(struct adapter *adap, struct sge_txq *q);
2109 void cxgb4_reclaim_completed_tx(struct adapter *adap,
2110 struct sge_txq *q, bool unmap);
2111 int cxgb4_map_skb(struct device *dev, const struct sk_buff *skb,
2112 dma_addr_t *addr);
2113 void cxgb4_inline_tx_skb(const struct sk_buff *skb, const struct sge_txq *q,
2114 void *pos);
2115 void cxgb4_write_sgl(const struct sk_buff *skb, struct sge_txq *q,
2116 struct ulptx_sgl *sgl, u64 *end, unsigned int start,
2117 const dma_addr_t *addr);
2118 void cxgb4_write_partial_sgl(const struct sk_buff *skb, struct sge_txq *q,
2119 struct ulptx_sgl *sgl, u64 *end,
2120 const dma_addr_t *addr, u32 start, u32 send_len);
2121 void cxgb4_ring_tx_db(struct adapter *adap, struct sge_txq *q, int n);
2122 int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
2123 u16 vlan);
2124 int cxgb4_dcb_enabled(const struct net_device *dev);
2125
2126 int cxgb4_thermal_init(struct adapter *adap);
2127 int cxgb4_thermal_remove(struct adapter *adap);
2128 int cxgb4_set_msix_aff(struct adapter *adap, unsigned short vec,
2129 cpumask_var_t *aff_mask, int idx);
2130 void cxgb4_clear_msix_aff(unsigned short vec, cpumask_var_t aff_mask);
2131
2132 int cxgb4_change_mac(struct port_info *pi, unsigned int viid,
2133 int *tcam_idx, const u8 *addr,
2134 bool persistent, u8 *smt_idx);
2135
2136 int cxgb4_alloc_mac_filt(struct adapter *adap, unsigned int viid,
2137 bool free, unsigned int naddr,
2138 const u8 **addr, u16 *idx,
2139 u64 *hash, bool sleep_ok);
2140 int cxgb4_free_mac_filt(struct adapter *adap, unsigned int viid,
2141 unsigned int naddr, const u8 **addr, bool sleep_ok);
2142 int cxgb4_init_mps_ref_entries(struct adapter *adap);
2143 void cxgb4_free_mps_ref_entries(struct adapter *adap);
2144 int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid,
2145 int *tcam_idx, const u8 *addr,
2146 bool persistent, u8 *smt_idx);
2147 int cxgb4_get_msix_idx_from_bmap(struct adapter *adap);
2148 void cxgb4_free_msix_idx_in_bmap(struct adapter *adap, u32 msix_idx);
2149 void cxgb4_enable_rx(struct adapter *adap, struct sge_rspq *q);
2150 void cxgb4_quiesce_rx(struct sge_rspq *q);
2151 int cxgb4_port_mirror_alloc(struct net_device *dev);
2152 void cxgb4_port_mirror_free(struct net_device *dev);
2153 #if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
2154 int cxgb4_set_ktls_feature(struct adapter *adap, bool enable);
2155 #endif
2156 #endif /* __CXGB4_H__ */
2157