File Index
Files and directories
Sign in
FILE

cxgb4.h

File preview with syntax highlighting.

linux-6.19.14/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h OBJECTIVE-C
   1/*
   2 * This file is part of the Chelsio T4 Ethernet driver for Linux.
   3 *
   4 * Copyright (c) 2003-2016 Chelsio Communications, Inc. All rights reserved.
   5 *
   6 * This software is available to you under a choice of one of two
   7 * licenses.  You may choose to be licensed under the terms of the GNU
   8 * General Public License (GPL) Version 2, available from the file
   9 * COPYING in the main directory of this source tree, or the
  10 * OpenIB.org BSD license below:
  11 *
  12 *     Redistribution and use in source and binary forms, with or
  13 *     without modification, are permitted provided that the following
  14 *     conditions are met:
  15 *
  16 *      - Redistributions of source code must retain the above
  17 *        copyright notice, this list of conditions and the following
  18 *        disclaimer.
  19 *
  20 *      - Redistributions in binary form must reproduce the above
  21 *        copyright notice, this list of conditions and the following
  22 *        disclaimer in the documentation and/or other materials
  23 *        provided with the distribution.
  24 *
  25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32 * SOFTWARE.
  33 */
  34
  35#ifndef __CXGB4_H__
  36#define __CXGB4_H__
  37
  38#include "t4_hw.h"
  39
  40#include <linux/bitops.h>
  41#include <linux/cache.h>
  42#include <linux/ethtool.h>
  43#include <linux/interrupt.h>
  44#include <linux/list.h>
  45#include <linux/netdevice.h>
  46#include <linux/pci.h>
  47#include <linux/spinlock.h>
  48#include <linux/timer.h>
  49#include <linux/vmalloc.h>
  50#include <linux/rhashtable.h>
  51#include <linux/etherdevice.h>
  52#include <linux/net_tstamp.h>
  53#include <linux/ptp_clock_kernel.h>
  54#include <linux/ptp_classify.h>
  55#include <linux/crash_dump.h>
  56#include <linux/thermal.h>
  57#include <asm/io.h>
  58#include "t4_chip_type.h"
  59#include "cxgb4_uld.h"
  60#include "t4fw_api.h"
  61
  62#define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
  63extern struct list_head adapter_list;
  64extern struct list_head uld_list;
  65extern struct mutex uld_mutex;
  66
  67/* Suspend an Ethernet Tx queue with fewer available descriptors than this.
  68 * This is the same as calc_tx_descs() for a TSO packet with
  69 * nr_frags == MAX_SKB_FRAGS.
  70 */
  71#define ETHTXQ_STOP_THRES \
  72	(1 + DIV_ROUND_UP((3 * MAX_SKB_FRAGS) / 2 + (MAX_SKB_FRAGS & 1), 8))
  73
  74#define FW_PARAM_DEV(param) \
  75	(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) | \
  76	 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_##param))
  77
  78#define FW_PARAM_PFVF(param) \
  79	(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) | \
  80	 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_##param) |  \
  81	 FW_PARAMS_PARAM_Y_V(0) | \
  82	 FW_PARAMS_PARAM_Z_V(0))
  83
  84enum {
  85	MAX_NPORTS	= 4,     /* max # of ports */
  86	SERNUM_LEN	= 24,    /* Serial # length */
  87	ID_LEN		= 16,    /* ID length */
  88	PN_LEN		= 16,    /* Part Number length */
  89	MACADDR_LEN	= 12,    /* MAC Address length */
  90};
  91
  92enum {
  93	T4_REGMAP_SIZE = (160 * 1024),
  94	T5_REGMAP_SIZE = (332 * 1024),
  95};
  96
  97enum {
  98	MEM_EDC0,
  99	MEM_EDC1,
 100	MEM_MC,
 101	MEM_MC0 = MEM_MC,
 102	MEM_MC1,
 103	MEM_HMA,
 104};
 105
 106enum {
 107	MEMWIN0_APERTURE = 2048,
 108	MEMWIN0_BASE     = 0x1b800,
 109	MEMWIN1_APERTURE = 32768,
 110	MEMWIN1_BASE     = 0x28000,
 111	MEMWIN1_BASE_T5  = 0x52000,
 112	MEMWIN2_APERTURE = 65536,
 113	MEMWIN2_BASE     = 0x30000,
 114	MEMWIN2_APERTURE_T5 = 131072,
 115	MEMWIN2_BASE_T5  = 0x60000,
 116};
 117
 118enum dev_master {
 119	MASTER_CANT,
 120	MASTER_MAY,
 121	MASTER_MUST
 122};
 123
 124enum dev_state {
 125	DEV_STATE_UNINIT,
 126	DEV_STATE_INIT,
 127	DEV_STATE_ERR
 128};
 129
 130enum cc_pause {
 131	PAUSE_RX      = 1 << 0,
 132	PAUSE_TX      = 1 << 1,
 133	PAUSE_AUTONEG = 1 << 2
 134};
 135
 136enum cc_fec {
 137	FEC_AUTO      = 1 << 0,	 /* IEEE 802.3 "automatic" */
 138	FEC_RS        = 1 << 1,  /* Reed-Solomon */
 139	FEC_BASER_RS  = 1 << 2   /* BaseR/Reed-Solomon */
 140};
 141
 142enum {
 143	CXGB4_ETHTOOL_FLASH_FW = 1,
 144	CXGB4_ETHTOOL_FLASH_PHY = 2,
 145	CXGB4_ETHTOOL_FLASH_BOOT = 3,
 146	CXGB4_ETHTOOL_FLASH_BOOTCFG = 4
 147};
 148
 149enum cxgb4_netdev_tls_ops {
 150	CXGB4_TLSDEV_OPS  = 1,
 151	CXGB4_XFRMDEV_OPS
 152};
 153
 154struct cxgb4_bootcfg_data {
 155	__le16 signature;
 156	__u8 reserved[2];
 157};
 158
 159struct cxgb4_pcir_data {
 160	__le32 signature;	/* Signature. The string "PCIR" */
 161	__le16 vendor_id;	/* Vendor Identification */
 162	__le16 device_id;	/* Device Identification */
 163	__u8 vital_product[2];	/* Pointer to Vital Product Data */
 164	__u8 length[2];		/* PCIR Data Structure Length */
 165	__u8 revision;		/* PCIR Data Structure Revision */
 166	__u8 class_code[3];	/* Class Code */
 167	__u8 image_length[2];	/* Image Length. Multiple of 512B */
 168	__u8 code_revision[2];	/* Revision Level of Code/Data */
 169	__u8 code_type;
 170	__u8 indicator;
 171	__u8 reserved[2];
 172};
 173
 174/* BIOS boot headers */
 175struct cxgb4_pci_exp_rom_header {
 176	__le16 signature;	/* ROM Signature. Should be 0xaa55 */
 177	__u8 reserved[22];	/* Reserved per processor Architecture data */
 178	__le16 pcir_offset;	/* Offset to PCI Data Structure */
 179};
 180
 181/* Legacy PCI Expansion ROM Header */
 182struct legacy_pci_rom_hdr {
 183	__u8 signature[2];	/* ROM Signature. Should be 0xaa55 */
 184	__u8 size512;		/* Current Image Size in units of 512 bytes */
 185	__u8 initentry_point[4];
 186	__u8 cksum;		/* Checksum computed on the entire Image */
 187	__u8 reserved[16];	/* Reserved */
 188	__le16 pcir_offset;	/* Offset to PCI Data Struture */
 189};
 190
 191#define CXGB4_HDR_CODE1 0x00
 192#define CXGB4_HDR_CODE2 0x03
 193#define CXGB4_HDR_INDI 0x80
 194
 195/* BOOT constants */
 196enum {
 197	BOOT_CFG_SIG = 0x4243,
 198	BOOT_SIZE_INC = 512,
 199	BOOT_SIGNATURE = 0xaa55,
 200	BOOT_MIN_SIZE = sizeof(struct cxgb4_pci_exp_rom_header),
 201	BOOT_MAX_SIZE = 1024 * BOOT_SIZE_INC,
 202	PCIR_SIGNATURE = 0x52494350
 203};
 204
 205struct port_stats {
 206	u64 tx_octets;            /* total # of octets in good frames */
 207	u64 tx_frames;            /* all good frames */
 208	u64 tx_bcast_frames;      /* all broadcast frames */
 209	u64 tx_mcast_frames;      /* all multicast frames */
 210	u64 tx_ucast_frames;      /* all unicast frames */
 211	u64 tx_error_frames;      /* all error frames */
 212
 213	u64 tx_frames_64;         /* # of Tx frames in a particular range */
 214	u64 tx_frames_65_127;
 215	u64 tx_frames_128_255;
 216	u64 tx_frames_256_511;
 217	u64 tx_frames_512_1023;
 218	u64 tx_frames_1024_1518;
 219	u64 tx_frames_1519_max;
 220
 221	u64 tx_drop;              /* # of dropped Tx frames */
 222	u64 tx_pause;             /* # of transmitted pause frames */
 223	u64 tx_ppp0;              /* # of transmitted PPP prio 0 frames */
 224	u64 tx_ppp1;              /* # of transmitted PPP prio 1 frames */
 225	u64 tx_ppp2;              /* # of transmitted PPP prio 2 frames */
 226	u64 tx_ppp3;              /* # of transmitted PPP prio 3 frames */
 227	u64 tx_ppp4;              /* # of transmitted PPP prio 4 frames */
 228	u64 tx_ppp5;              /* # of transmitted PPP prio 5 frames */
 229	u64 tx_ppp6;              /* # of transmitted PPP prio 6 frames */
 230	u64 tx_ppp7;              /* # of transmitted PPP prio 7 frames */
 231
 232	u64 rx_octets;            /* total # of octets in good frames */
 233	u64 rx_frames;            /* all good frames */
 234	u64 rx_bcast_frames;      /* all broadcast frames */
 235	u64 rx_mcast_frames;      /* all multicast frames */
 236	u64 rx_ucast_frames;      /* all unicast frames */
 237	u64 rx_too_long;          /* # of frames exceeding MTU */
 238	u64 rx_jabber;            /* # of jabber frames */
 239	u64 rx_fcs_err;           /* # of received frames with bad FCS */
 240	u64 rx_len_err;           /* # of received frames with length error */
 241	u64 rx_symbol_err;        /* symbol errors */
 242	u64 rx_runt;              /* # of short frames */
 243
 244	u64 rx_frames_64;         /* # of Rx frames in a particular range */
 245	u64 rx_frames_65_127;
 246	u64 rx_frames_128_255;
 247	u64 rx_frames_256_511;
 248	u64 rx_frames_512_1023;
 249	u64 rx_frames_1024_1518;
 250	u64 rx_frames_1519_max;
 251
 252	u64 rx_pause;             /* # of received pause frames */
 253	u64 rx_ppp0;              /* # of received PPP prio 0 frames */
 254	u64 rx_ppp1;              /* # of received PPP prio 1 frames */
 255	u64 rx_ppp2;              /* # of received PPP prio 2 frames */
 256	u64 rx_ppp3;              /* # of received PPP prio 3 frames */
 257	u64 rx_ppp4;              /* # of received PPP prio 4 frames */
 258	u64 rx_ppp5;              /* # of received PPP prio 5 frames */
 259	u64 rx_ppp6;              /* # of received PPP prio 6 frames */
 260	u64 rx_ppp7;              /* # of received PPP prio 7 frames */
 261
 262	u64 rx_ovflow0;           /* drops due to buffer-group 0 overflows */
 263	u64 rx_ovflow1;           /* drops due to buffer-group 1 overflows */
 264	u64 rx_ovflow2;           /* drops due to buffer-group 2 overflows */
 265	u64 rx_ovflow3;           /* drops due to buffer-group 3 overflows */
 266	u64 rx_trunc0;            /* buffer-group 0 truncated packets */
 267	u64 rx_trunc1;            /* buffer-group 1 truncated packets */
 268	u64 rx_trunc2;            /* buffer-group 2 truncated packets */
 269	u64 rx_trunc3;            /* buffer-group 3 truncated packets */
 270};
 271
 272struct lb_port_stats {
 273	u64 octets;
 274	u64 frames;
 275	u64 bcast_frames;
 276	u64 mcast_frames;
 277	u64 ucast_frames;
 278	u64 error_frames;
 279
 280	u64 frames_64;
 281	u64 frames_65_127;
 282	u64 frames_128_255;
 283	u64 frames_256_511;
 284	u64 frames_512_1023;
 285	u64 frames_1024_1518;
 286	u64 frames_1519_max;
 287
 288	u64 drop;
 289
 290	u64 ovflow0;
 291	u64 ovflow1;
 292	u64 ovflow2;
 293	u64 ovflow3;
 294	u64 trunc0;
 295	u64 trunc1;
 296	u64 trunc2;
 297	u64 trunc3;
 298};
 299
 300struct tp_tcp_stats {
 301	u32 tcp_out_rsts;
 302	u64 tcp_in_segs;
 303	u64 tcp_out_segs;
 304	u64 tcp_retrans_segs;
 305};
 306
 307struct tp_usm_stats {
 308	u32 frames;
 309	u32 drops;
 310	u64 octets;
 311};
 312
 313struct tp_fcoe_stats {
 314	u32 frames_ddp;
 315	u32 frames_drop;
 316	u64 octets_ddp;
 317};
 318
 319struct tp_err_stats {
 320	u32 mac_in_errs[4];
 321	u32 hdr_in_errs[4];
 322	u32 tcp_in_errs[4];
 323	u32 tnl_cong_drops[4];
 324	u32 ofld_chan_drops[4];
 325	u32 tnl_tx_drops[4];
 326	u32 ofld_vlan_drops[4];
 327	u32 tcp6_in_errs[4];
 328	u32 ofld_no_neigh;
 329	u32 ofld_cong_defer;
 330};
 331
 332struct tp_cpl_stats {
 333	u32 req[4];
 334	u32 rsp[4];
 335};
 336
 337struct tp_rdma_stats {
 338	u32 rqe_dfr_pkt;
 339	u32 rqe_dfr_mod;
 340};
 341
 342struct sge_params {
 343	u32 hps;			/* host page size for our PF/VF */
 344	u32 eq_qpp;			/* egress queues/page for our PF/VF */
 345	u32 iq_qpp;			/* egress queues/page for our PF/VF */
 346};
 347
 348struct tp_params {
 349	unsigned int tre;            /* log2 of core clocks per TP tick */
 350	unsigned int la_mask;        /* what events are recorded by TP LA */
 351	unsigned short tx_modq_map;  /* TX modulation scheduler queue to */
 352				     /* channel map */
 353
 354	uint32_t dack_re;            /* DACK timer resolution */
 355	unsigned short tx_modq[NCHAN];	/* channel to modulation queue map */
 356
 357	u32 vlan_pri_map;               /* cached TP_VLAN_PRI_MAP */
 358	u32 filter_mask;
 359	u32 ingress_config;             /* cached TP_INGRESS_CONFIG */
 360
 361	/* cached TP_OUT_CONFIG compressed error vector
 362	 * and passing outer header info for encapsulated packets.
 363	 */
 364	int rx_pkt_encap;
 365
 366	/* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets.  This is a
 367	 * subset of the set of fields which may be present in the Compressed
 368	 * Filter Tuple portion of filters and TCP TCB connections.  The
 369	 * fields which are present are controlled by the TP_VLAN_PRI_MAP.
 370	 * Since a variable number of fields may or may not be present, their
 371	 * shifted field positions within the Compressed Filter Tuple may
 372	 * vary, or not even be present if the field isn't selected in
 373	 * TP_VLAN_PRI_MAP.  Since some of these fields are needed in various
 374	 * places we store their offsets here, or a -1 if the field isn't
 375	 * present.
 376	 */
 377	int fcoe_shift;
 378	int port_shift;
 379	int vnic_shift;
 380	int vlan_shift;
 381	int tos_shift;
 382	int protocol_shift;
 383	int ethertype_shift;
 384	int macmatch_shift;
 385	int matchtype_shift;
 386	int frag_shift;
 387
 388	u64 hash_filter_mask;
 389};
 390
 391struct vpd_params {
 392	unsigned int cclk;
 393	u8 sn[SERNUM_LEN + 1];
 394	u8 id[ID_LEN + 1];
 395	u8 pn[PN_LEN + 1];
 396	u8 na[MACADDR_LEN + 1];
 397};
 398
 399/* Maximum resources provisioned for a PCI PF.
 400 */
 401struct pf_resources {
 402	unsigned int nvi;		/* N virtual interfaces */
 403	unsigned int neq;		/* N egress Qs */
 404	unsigned int nethctrl;		/* N egress ETH or CTRL Qs */
 405	unsigned int niqflint;		/* N ingress Qs/w free list(s) & intr */
 406	unsigned int niq;		/* N ingress Qs */
 407	unsigned int tc;		/* PCI-E traffic class */
 408	unsigned int pmask;		/* port access rights mask */
 409	unsigned int nexactf;		/* N exact MPS filters */
 410	unsigned int r_caps;		/* read capabilities */
 411	unsigned int wx_caps;		/* write/execute capabilities */
 412};
 413
 414struct pci_params {
 415	unsigned char speed;
 416	unsigned char width;
 417};
 418
 419struct devlog_params {
 420	u32 memtype;                    /* which memory (EDC0, EDC1, MC) */
 421	u32 start;                      /* start of log in firmware memory */
 422	u32 size;                       /* size of log */
 423};
 424
 425/* Stores chip specific parameters */
 426struct arch_specific_params {
 427	u8 nchan;
 428	u8 pm_stats_cnt;
 429	u8 cng_ch_bits_log;		/* congestion channel map bits width */
 430	u16 mps_rplc_size;
 431	u16 vfcount;
 432	u32 sge_fl_db;
 433	u16 mps_tcam_size;
 434};
 435
 436struct adapter_params {
 437	struct sge_params sge;
 438	struct tp_params  tp;
 439	struct vpd_params vpd;
 440	struct pf_resources pfres;
 441	struct pci_params pci;
 442	struct devlog_params devlog;
 443	enum pcie_memwin drv_memwin;
 444
 445	unsigned int cim_la_size;
 446
 447	unsigned int sf_size;             /* serial flash size in bytes */
 448	unsigned int sf_nsec;             /* # of flash sectors */
 449
 450	unsigned int fw_vers;		  /* firmware version */
 451	unsigned int bs_vers;		  /* bootstrap version */
 452	unsigned int tp_vers;		  /* TP microcode version */
 453	unsigned int er_vers;		  /* expansion ROM version */
 454	unsigned int scfg_vers;		  /* Serial Configuration version */
 455	unsigned int vpd_vers;		  /* VPD Version */
 456	u8 api_vers[7];
 457
 458	unsigned short mtus[NMTUS];
 459	unsigned short a_wnd[NCCTRL_WIN];
 460	unsigned short b_wnd[NCCTRL_WIN];
 461
 462	unsigned char nports;             /* # of ethernet ports */
 463	unsigned char portvec;
 464	enum chip_type chip;               /* chip code */
 465	struct arch_specific_params arch;  /* chip specific params */
 466	unsigned char offload;
 467	unsigned char crypto;		/* HW capability for crypto */
 468	unsigned char ethofld;		/* QoS support */
 469
 470	unsigned char bypass;
 471	unsigned char hash_filter;
 472
 473	unsigned int ofldq_wr_cred;
 474	bool ulptx_memwrite_dsgl;          /* use of T5 DSGL allowed */
 475
 476	unsigned int nsched_cls;          /* number of traffic classes */
 477	unsigned int max_ordird_qp;       /* Max read depth per RDMA QP */
 478	unsigned int max_ird_adapter;     /* Max read depth per adapter */
 479	bool fr_nsmr_tpte_wr_support;	  /* FW support for FR_NSMR_TPTE_WR */
 480	u8 fw_caps_support;		/* 32-bit Port Capabilities */
 481	bool filter2_wr_support;	/* FW support for FILTER2_WR */
 482	unsigned int viid_smt_extn_support:1; /* FW returns vin and smt index */
 483
 484	/* MPS Buffer Group Map[per Port].  Bit i is set if buffer group i is
 485	 * used by the Port
 486	 */
 487	u8 mps_bg_map[MAX_NPORTS];	/* MPS Buffer Group Map */
 488	bool write_w_imm_support;       /* FW supports WRITE_WITH_IMMEDIATE */
 489	bool write_cmpl_support;        /* FW supports WRITE_CMPL */
 490};
 491
 492/* State needed to monitor the forward progress of SGE Ingress DMA activities
 493 * and possible hangs.
 494 */
 495struct sge_idma_monitor_state {
 496	unsigned int idma_1s_thresh;	/* 1s threshold in Core Clock ticks */
 497	unsigned int idma_stalled[2];	/* synthesized stalled timers in HZ */
 498	unsigned int idma_state[2];	/* IDMA Hang detect state */
 499	unsigned int idma_qid[2];	/* IDMA Hung Ingress Queue ID */
 500	unsigned int idma_warn[2];	/* time to warning in HZ */
 501};
 502
 503/* Firmware Mailbox Command/Reply log.  All values are in Host-Endian format.
 504 * The access and execute times are signed in order to accommodate negative
 505 * error returns.
 506 */
 507struct mbox_cmd {
 508	u64 cmd[MBOX_LEN / 8];		/* a Firmware Mailbox Command/Reply */
 509	u64 timestamp;			/* OS-dependent timestamp */
 510	u32 seqno;			/* sequence number */
 511	s16 access;			/* time (ms) to access mailbox */
 512	s16 execute;			/* time (ms) to execute */
 513};
 514
 515struct mbox_cmd_log {
 516	unsigned int size;		/* number of entries in the log */
 517	unsigned int cursor;		/* next position in the log to write */
 518	u32 seqno;			/* next sequence number */
 519	/* variable length mailbox command log starts here */
 520};
 521
 522/* Given a pointer to a Firmware Mailbox Command Log and a log entry index,
 523 * return a pointer to the specified entry.
 524 */
 525static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
 526						  unsigned int entry_idx)
 527{
 528	return &((struct mbox_cmd *)&(log)[1])[entry_idx];
 529}
 530
 531#define FW_VERSION(chip) ( \
 532		FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
 533		FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
 534		FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
 535		FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
 536#define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
 537
 538struct cxgb4_ethtool_lb_test {
 539	struct completion completion;
 540	int result;
 541	int loopback;
 542};
 543
 544struct fw_info {
 545	u8 chip;
 546	char *fs_name;
 547	char *fw_mod_name;
 548	struct fw_hdr fw_hdr;
 549};
 550
 551struct trace_params {
 552	u32 data[TRACE_LEN / 4];
 553	u32 mask[TRACE_LEN / 4];
 554	unsigned short snap_len;
 555	unsigned short min_len;
 556	unsigned char skip_ofst;
 557	unsigned char skip_len;
 558	unsigned char invert;
 559	unsigned char port;
 560};
 561
 562struct cxgb4_fw_data {
 563	__be32 signature;
 564	__u8 reserved[4];
 565};
 566
 567/* Firmware Port Capabilities types. */
 568
 569typedef u16 fw_port_cap16_t;	/* 16-bit Port Capabilities integral value */
 570typedef u32 fw_port_cap32_t;	/* 32-bit Port Capabilities integral value */
 571
 572enum fw_caps {
 573	FW_CAPS_UNKNOWN	= 0,	/* 0'ed out initial state */
 574	FW_CAPS16	= 1,	/* old Firmware: 16-bit Port Capabilities */
 575	FW_CAPS32	= 2,	/* new Firmware: 32-bit Port Capabilities */
 576};
 577
 578struct link_config {
 579	fw_port_cap32_t pcaps;           /* link capabilities */
 580	fw_port_cap32_t def_acaps;       /* default advertised capabilities */
 581	fw_port_cap32_t acaps;           /* advertised capabilities */
 582	fw_port_cap32_t lpacaps;         /* peer advertised capabilities */
 583
 584	fw_port_cap32_t speed_caps;      /* speed(s) user has requested */
 585	unsigned int   speed;            /* actual link speed (Mb/s) */
 586
 587	enum cc_pause  requested_fc;     /* flow control user has requested */
 588	enum cc_pause  fc;               /* actual link flow control */
 589	enum cc_pause  advertised_fc;    /* actual advertised flow control */
 590
 591	enum cc_fec    requested_fec;	 /* Forward Error Correction: */
 592	enum cc_fec    fec;		 /* requested and actual in use */
 593
 594	unsigned char  autoneg;          /* autonegotiating? */
 595
 596	unsigned char  link_ok;          /* link up? */
 597	unsigned char  link_down_rc;     /* link down reason */
 598
 599	bool new_module;		 /* ->OS Transceiver Module inserted */
 600	bool redo_l1cfg;		 /* ->CC redo current "sticky" L1 CFG */
 601};
 602
 603#define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
 604
 605enum {
 606	MAX_ETH_QSETS = 32,           /* # of Ethernet Tx/Rx queue sets */
 607	MAX_OFLD_QSETS = 16,          /* # of offload Tx, iscsi Rx queue sets */
 608	MAX_CTRL_QUEUES = NCHAN,      /* # of control Tx queues */
 609};
 610
 611enum {
 612	MAX_TXQ_ENTRIES      = 16384,
 613	MAX_CTRL_TXQ_ENTRIES = 1024,
 614	MAX_RSPQ_ENTRIES     = 16384,
 615	MAX_RX_BUFFERS       = 16384,
 616	MIN_TXQ_ENTRIES      = 32,
 617	MIN_CTRL_TXQ_ENTRIES = 32,
 618	MIN_RSPQ_ENTRIES     = 128,
 619	MIN_FL_ENTRIES       = 16
 620};
 621
 622enum {
 623	MAX_TXQ_DESC_SIZE      = 64,
 624	MAX_RXQ_DESC_SIZE      = 128,
 625	MAX_FL_DESC_SIZE       = 8,
 626	MAX_CTRL_TXQ_DESC_SIZE = 64,
 627};
 628
 629enum {
 630	INGQ_EXTRAS = 2,        /* firmware event queue and */
 631				/*   forwarded interrupts */
 632	MAX_INGQ = MAX_ETH_QSETS + INGQ_EXTRAS,
 633};
 634
 635enum {
 636	PRIV_FLAG_PORT_TX_VM_BIT,
 637};
 638
 639#define PRIV_FLAG_PORT_TX_VM		BIT(PRIV_FLAG_PORT_TX_VM_BIT)
 640
 641#define PRIV_FLAGS_ADAP			0
 642#define PRIV_FLAGS_PORT			PRIV_FLAG_PORT_TX_VM
 643
 644struct adapter;
 645struct sge_rspq;
 646
 647#include "cxgb4_dcb.h"
 648
 649#ifdef CONFIG_CHELSIO_T4_FCOE
 650#include "cxgb4_fcoe.h"
 651#endif /* CONFIG_CHELSIO_T4_FCOE */
 652
 653struct port_info {
 654	struct adapter *adapter;
 655	u16    viid;
 656	int    xact_addr_filt;        /* index of exact MAC address filter */
 657	u16    rss_size;              /* size of VI's RSS table slice */
 658	s8     mdio_addr;
 659	enum fw_port_type port_type;
 660	u8     mod_type;
 661	u8     port_id;
 662	u8     tx_chan;
 663	u8     lport;                 /* associated offload logical port */
 664	u8     nqsets;                /* # of qsets */
 665	u8     first_qset;            /* index of first qset */
 666	u8     rss_mode;
 667	struct link_config link_cfg;
 668	u16   *rss;
 669	struct port_stats stats_base;
 670#ifdef CONFIG_CHELSIO_T4_DCB
 671	struct port_dcb_info dcb;     /* Data Center Bridging support */
 672#endif
 673#ifdef CONFIG_CHELSIO_T4_FCOE
 674	struct cxgb_fcoe fcoe;
 675#endif /* CONFIG_CHELSIO_T4_FCOE */
 676	bool rxtstamp;  /* Enable TS */
 677	struct kernel_hwtstamp_config tstamp_config;
 678	bool ptp_enable;
 679	struct sched_table *sched_tbl;
 680	u32 eth_flags;
 681
 682	/* viid and smt fields either returned by fw
 683	 * or decoded by parsing viid by driver.
 684	 */
 685	u8 vin;
 686	u8 vivld;
 687	u8 smt_idx;
 688	u8 rx_cchan;
 689
 690	bool tc_block_shared;
 691
 692	/* Mirror VI information */
 693	u16 viid_mirror;
 694	u16 nmirrorqsets;
 695	u32 vi_mirror_count;
 696	struct mutex vi_mirror_mutex; /* Sync access to Mirror VI info */
 697	struct cxgb4_ethtool_lb_test ethtool_lb;
 698};
 699
 700struct dentry;
 701struct work_struct;
 702
 703enum {                                 /* adapter flags */
 704	CXGB4_FULL_INIT_DONE		= (1 << 0),
 705	CXGB4_DEV_ENABLED		= (1 << 1),
 706	CXGB4_USING_MSI			= (1 << 2),
 707	CXGB4_USING_MSIX		= (1 << 3),
 708	CXGB4_FW_OK			= (1 << 4),
 709	CXGB4_RSS_TNLALLLOOKUP		= (1 << 5),
 710	CXGB4_USING_SOFT_PARAMS		= (1 << 6),
 711	CXGB4_MASTER_PF			= (1 << 7),
 712	CXGB4_FW_OFLD_CONN		= (1 << 9),
 713	CXGB4_ROOT_NO_RELAXED_ORDERING	= (1 << 10),
 714	CXGB4_SHUTTING_DOWN		= (1 << 11),
 715	CXGB4_SGE_DBQ_TIMER		= (1 << 12),
 716};
 717
 718enum {
 719	ULP_CRYPTO_LOOKASIDE = 1 << 0,
 720	ULP_CRYPTO_IPSEC_INLINE = 1 << 1,
 721	ULP_CRYPTO_KTLS_INLINE  = 1 << 3,
 722};
 723
 724#define CXGB4_MIRROR_RXQ_DEFAULT_DESC_NUM 1024
 725#define CXGB4_MIRROR_RXQ_DEFAULT_DESC_SIZE 64
 726#define CXGB4_MIRROR_RXQ_DEFAULT_INTR_USEC 5
 727#define CXGB4_MIRROR_RXQ_DEFAULT_PKT_CNT 8
 728
 729#define CXGB4_MIRROR_FLQ_DEFAULT_DESC_NUM 72
 730
 731struct rx_sw_desc;
 732
 733struct sge_fl {                     /* SGE free-buffer queue state */
 734	unsigned int avail;         /* # of available Rx buffers */
 735	unsigned int pend_cred;     /* new buffers since last FL DB ring */
 736	unsigned int cidx;          /* consumer index */
 737	unsigned int pidx;          /* producer index */
 738	unsigned long alloc_failed; /* # of times buffer allocation failed */
 739	unsigned long large_alloc_failed;
 740	unsigned long mapping_err;  /* # of RX Buffer DMA Mapping failures */
 741	unsigned long low;          /* # of times momentarily starving */
 742	unsigned long starving;
 743	/* RO fields */
 744	unsigned int cntxt_id;      /* SGE context id for the free list */
 745	unsigned int size;          /* capacity of free list */
 746	struct rx_sw_desc *sdesc;   /* address of SW Rx descriptor ring */
 747	__be64 *desc;               /* address of HW Rx descriptor ring */
 748	dma_addr_t addr;            /* bus address of HW ring start */
 749	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
 750	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
 751};
 752
 753/* A packet gather list */
 754struct pkt_gl {
 755	u64 sgetstamp;		    /* SGE Time Stamp for Ingress Packet */
 756	struct page_frag frags[MAX_SKB_FRAGS];
 757	void *va;                         /* virtual address of first byte */
 758	unsigned int nfrags;              /* # of fragments */
 759	unsigned int tot_len;             /* total length of fragments */
 760};
 761
 762typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
 763			      const struct pkt_gl *gl);
 764typedef void (*rspq_flush_handler_t)(struct sge_rspq *q);
 765/* LRO related declarations for ULD */
 766struct t4_lro_mgr {
 767#define MAX_LRO_SESSIONS		64
 768	u8 lro_session_cnt;         /* # of sessions to aggregate */
 769	unsigned long lro_pkts;     /* # of LRO super packets */
 770	unsigned long lro_merged;   /* # of wire packets merged by LRO */
 771	struct sk_buff_head lroq;   /* list of aggregated sessions */
 772};
 773
 774struct sge_rspq {                   /* state for an SGE response queue */
 775	struct napi_struct napi;
 776	const __be64 *cur_desc;     /* current descriptor in queue */
 777	unsigned int cidx;          /* consumer index */
 778	u8 gen;                     /* current generation bit */
 779	u8 intr_params;             /* interrupt holdoff parameters */
 780	u8 next_intr_params;        /* holdoff params for next interrupt */
 781	u8 adaptive_rx;
 782	u8 pktcnt_idx;              /* interrupt packet threshold */
 783	u8 uld;                     /* ULD handling this queue */
 784	u8 idx;                     /* queue index within its group */
 785	int offset;                 /* offset into current Rx buffer */
 786	u16 cntxt_id;               /* SGE context id for the response q */
 787	u16 abs_id;                 /* absolute SGE id for the response q */
 788	__be64 *desc;               /* address of HW response ring */
 789	dma_addr_t phys_addr;       /* physical address of the ring */
 790	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
 791	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
 792	unsigned int iqe_len;       /* entry size */
 793	unsigned int size;          /* capacity of response queue */
 794	struct adapter *adap;
 795	struct net_device *netdev;  /* associated net device */
 796	rspq_handler_t handler;
 797	rspq_flush_handler_t flush_handler;
 798	struct t4_lro_mgr lro_mgr;
 799};
 800
 801struct sge_eth_stats {              /* Ethernet queue statistics */
 802	unsigned long pkts;         /* # of ethernet packets */
 803	unsigned long lro_pkts;     /* # of LRO super packets */
 804	unsigned long lro_merged;   /* # of wire packets merged by LRO */
 805	unsigned long rx_cso;       /* # of Rx checksum offloads */
 806	unsigned long vlan_ex;      /* # of Rx VLAN extractions */
 807	unsigned long rx_drops;     /* # of packets dropped due to no mem */
 808	unsigned long bad_rx_pkts;  /* # of packets with err_vec!=0 */
 809};
 810
 811struct sge_eth_rxq {                /* SW Ethernet Rx queue */
 812	struct sge_rspq rspq;
 813	struct sge_fl fl;
 814	struct sge_eth_stats stats;
 815	struct msix_info *msix;
 816} ____cacheline_aligned_in_smp;
 817
 818struct sge_ofld_stats {             /* offload queue statistics */
 819	unsigned long pkts;         /* # of packets */
 820	unsigned long imm;          /* # of immediate-data packets */
 821	unsigned long an;           /* # of asynchronous notifications */
 822	unsigned long nomem;        /* # of responses deferred due to no mem */
 823};
 824
 825struct sge_ofld_rxq {               /* SW offload Rx queue */
 826	struct sge_rspq rspq;
 827	struct sge_fl fl;
 828	struct sge_ofld_stats stats;
 829	struct msix_info *msix;
 830} ____cacheline_aligned_in_smp;
 831
 832struct tx_desc {
 833	__be64 flit[8];
 834};
 835
 836struct ulptx_sgl;
 837
 838struct tx_sw_desc {
 839	struct sk_buff *skb; /* SKB to free after getting completion */
 840	dma_addr_t addr[MAX_SKB_FRAGS + 1]; /* DMA mapped addresses */
 841};
 842
 843struct sge_txq {
 844	unsigned int  in_use;       /* # of in-use Tx descriptors */
 845	unsigned int  q_type;	    /* Q type Eth/Ctrl/Ofld */
 846	unsigned int  size;         /* # of descriptors */
 847	unsigned int  cidx;         /* SW consumer index */
 848	unsigned int  pidx;         /* producer index */
 849	unsigned long stops;        /* # of times q has been stopped */
 850	unsigned long restarts;     /* # of queue restarts */
 851	unsigned int  cntxt_id;     /* SGE context id for the Tx q */
 852	struct tx_desc *desc;       /* address of HW Tx descriptor ring */
 853	struct tx_sw_desc *sdesc;   /* address of SW Tx descriptor ring */
 854	struct sge_qstat *stat;     /* queue status entry */
 855	dma_addr_t    phys_addr;    /* physical address of the ring */
 856	spinlock_t db_lock;
 857	int db_disabled;
 858	unsigned short db_pidx;
 859	unsigned short db_pidx_inc;
 860	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
 861	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
 862};
 863
 864struct sge_eth_txq {                /* state for an SGE Ethernet Tx queue */
 865	struct sge_txq q;
 866	struct netdev_queue *txq;   /* associated netdev TX queue */
 867#ifdef CONFIG_CHELSIO_T4_DCB
 868	u8 dcb_prio;		    /* DCB Priority bound to queue */
 869#endif
 870	u8 dbqt;                    /* SGE Doorbell Queue Timer in use */
 871	unsigned int dbqtimerix;    /* SGE Doorbell Queue Timer Index */
 872	unsigned long tso;          /* # of TSO requests */
 873	unsigned long uso;          /* # of USO requests */
 874	unsigned long tx_cso;       /* # of Tx checksum offloads */
 875	unsigned long vlan_ins;     /* # of Tx VLAN insertions */
 876	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
 877} ____cacheline_aligned_in_smp;
 878
 879struct sge_uld_txq {               /* state for an SGE offload Tx queue */
 880	struct sge_txq q;
 881	struct adapter *adap;
 882	struct sk_buff_head sendq;  /* list of backpressured packets */
 883	struct tasklet_struct qresume_tsk; /* restarts the queue */
 884	bool service_ofldq_running; /* service_ofldq() is processing sendq */
 885	u8 full;                    /* the Tx ring is full */
 886	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
 887} ____cacheline_aligned_in_smp;
 888
 889struct sge_ctrl_txq {               /* state for an SGE control Tx queue */
 890	struct sge_txq q;
 891	struct adapter *adap;
 892	struct sk_buff_head sendq;  /* list of backpressured packets */
 893	struct tasklet_struct qresume_tsk; /* restarts the queue */
 894	u8 full;                    /* the Tx ring is full */
 895} ____cacheline_aligned_in_smp;
 896
 897struct sge_uld_rxq_info {
 898	char name[IFNAMSIZ];	/* name of ULD driver */
 899	struct sge_ofld_rxq *uldrxq; /* Rxq's for ULD */
 900	u16 *rspq_id;		/* response queue id's of rxq */
 901	u16 nrxq;		/* # of ingress uld queues */
 902	u16 nciq;		/* # of completion queues */
 903	u8 uld;			/* uld type */
 904};
 905
 906struct sge_uld_txq_info {
 907	struct sge_uld_txq *uldtxq; /* Txq's for ULD */
 908	atomic_t users;		/* num users */
 909	u16 ntxq;		/* # of egress uld queues */
 910};
 911
 912/* struct to maintain ULD list to reallocate ULD resources on hotplug */
 913struct cxgb4_uld_list {
 914	struct cxgb4_uld_info uld_info;
 915	struct list_head list_node;
 916	enum cxgb4_uld uld_type;
 917};
 918
 919enum sge_eosw_state {
 920	CXGB4_EO_STATE_CLOSED = 0, /* Not ready to accept traffic */
 921	CXGB4_EO_STATE_FLOWC_OPEN_SEND, /* Send FLOWC open request */
 922	CXGB4_EO_STATE_FLOWC_OPEN_REPLY, /* Waiting for FLOWC open reply */
 923	CXGB4_EO_STATE_ACTIVE, /* Ready to accept traffic */
 924	CXGB4_EO_STATE_FLOWC_CLOSE_SEND, /* Send FLOWC close request */
 925	CXGB4_EO_STATE_FLOWC_CLOSE_REPLY, /* Waiting for FLOWC close reply */
 926};
 927
 928struct sge_eosw_txq {
 929	spinlock_t lock; /* Per queue lock to synchronize completions */
 930	enum sge_eosw_state state; /* Current ETHOFLD State */
 931	struct tx_sw_desc *desc; /* Descriptor ring to hold packets */
 932	u32 ndesc; /* Number of descriptors */
 933	u32 pidx; /* Current Producer Index */
 934	u32 last_pidx; /* Last successfully transmitted Producer Index */
 935	u32 cidx; /* Current Consumer Index */
 936	u32 last_cidx; /* Last successfully reclaimed Consumer Index */
 937	u32 flowc_idx; /* Descriptor containing a FLOWC request */
 938	u32 inuse; /* Number of packets held in ring */
 939
 940	u32 cred; /* Current available credits */
 941	u32 ncompl; /* # of completions posted */
 942	u32 last_compl; /* # of credits consumed since last completion req */
 943
 944	u32 eotid; /* Index into EOTID table in software */
 945	u32 hwtid; /* Hardware EOTID index */
 946
 947	u32 hwqid; /* Underlying hardware queue index */
 948	struct net_device *netdev; /* Pointer to netdevice */
 949	struct tasklet_struct qresume_tsk; /* Restarts the queue */
 950	struct completion completion; /* completion for FLOWC rendezvous */
 951};
 952
 953struct sge_eohw_txq {
 954	spinlock_t lock; /* Per queue lock */
 955	struct sge_txq q; /* HW Txq */
 956	struct adapter *adap; /* Backpointer to adapter */
 957	unsigned long tso; /* # of TSO requests */
 958	unsigned long uso; /* # of USO requests */
 959	unsigned long tx_cso; /* # of Tx checksum offloads */
 960	unsigned long vlan_ins; /* # of Tx VLAN insertions */
 961	unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
 962};
 963
 964struct sge {
 965	struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
 966	struct sge_eth_txq ptptxq;
 967	struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
 968
 969	struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
 970	struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
 971	struct sge_uld_rxq_info **uld_rxq_info;
 972	struct sge_uld_txq_info **uld_txq_info;
 973
 974	struct sge_rspq intrq ____cacheline_aligned_in_smp;
 975	spinlock_t intrq_lock;
 976
 977	struct sge_eohw_txq *eohw_txq;
 978	struct sge_ofld_rxq *eohw_rxq;
 979
 980	struct sge_eth_rxq *mirror_rxq[NCHAN];
 981
 982	u16 max_ethqsets;           /* # of available Ethernet queue sets */
 983	u16 ethqsets;               /* # of active Ethernet queue sets */
 984	u16 ethtxq_rover;           /* Tx queue to clean up next */
 985	u16 ofldqsets;              /* # of active ofld queue sets */
 986	u16 nqs_per_uld;	    /* # of Rx queues per ULD */
 987	u16 eoqsets;                /* # of ETHOFLD queues */
 988	u16 mirrorqsets;            /* # of Mirror queues */
 989
 990	u16 timer_val[SGE_NTIMERS];
 991	u8 counter_val[SGE_NCOUNTERS];
 992	u16 dbqtimer_tick;
 993	u16 dbqtimer_val[SGE_NDBQTIMERS];
 994	u32 fl_pg_order;            /* large page allocation size */
 995	u32 stat_len;               /* length of status page at ring end */
 996	u32 pktshift;               /* padding between CPL & packet data */
 997	u32 fl_align;               /* response queue message alignment */
 998	u32 fl_starve_thres;        /* Free List starvation threshold */
 999
1000	struct sge_idma_monitor_state idma_monitor;
1001	unsigned int egr_start;
1002	unsigned int egr_sz;
1003	unsigned int ingr_start;
1004	unsigned int ingr_sz;
1005	void **egr_map;    /* qid->queue egress queue map */
1006	struct sge_rspq **ingr_map; /* qid->queue ingress queue map */
1007	unsigned long *starving_fl;
1008	unsigned long *txq_maperr;
1009	unsigned long *blocked_fl;
1010	struct timer_list rx_timer; /* refills starving FLs */
1011	struct timer_list tx_timer; /* checks Tx queues */
1012
1013	int fwevtq_msix_idx; /* Index to firmware event queue MSI-X info */
1014	int nd_msix_idx; /* Index to non-data interrupts MSI-X info */
1015};
1016
1017#define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++)
1018#define for_each_ofldtxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++)
1019
1020struct l2t_data;
1021
1022#ifdef CONFIG_PCI_IOV
1023
1024/* T4 supports SRIOV on PF0-3 and T5 on PF0-7.  However, the Serial
1025 * Configuration initialization for T5 only has SR-IOV functionality enabled
1026 * on PF0-3 in order to simplify everything.
1027 */
1028#define NUM_OF_PF_WITH_SRIOV 4
1029
1030#endif
1031
1032struct doorbell_stats {
1033	u32 db_drop;
1034	u32 db_empty;
1035	u32 db_full;
1036};
1037
1038struct hash_mac_addr {
1039	struct list_head list;
1040	u8 addr[ETH_ALEN];
1041	unsigned int iface_mac;
1042};
1043
1044struct msix_bmap {
1045	unsigned long *msix_bmap;
1046	unsigned int mapsize;
1047	spinlock_t lock; /* lock for acquiring bitmap */
1048};
1049
1050struct msix_info {
1051	unsigned short vec;
1052	char desc[IFNAMSIZ + 10];
1053	unsigned int idx;
1054	cpumask_var_t aff_mask;
1055};
1056
1057struct vf_info {
1058	unsigned char vf_mac_addr[ETH_ALEN];
1059	unsigned int tx_rate;
1060	bool pf_set_mac;
1061	u16 vlan;
1062	int link_state;
1063};
1064
1065enum {
1066	HMA_DMA_MAPPED_FLAG = 1
1067};
1068
1069struct hma_data {
1070	unsigned char flags;
1071	struct sg_table *sgt;
1072	dma_addr_t *phy_addr;	/* physical address of the page */
1073};
1074
1075struct mbox_list {
1076	struct list_head list;
1077};
1078
1079#if IS_ENABLED(CONFIG_THERMAL)
1080struct ch_thermal {
1081	struct thermal_zone_device *tzdev;
1082};
1083#endif
1084
1085struct mps_entries_ref {
1086	struct list_head list;
1087	u8 addr[ETH_ALEN];
1088	u8 mask[ETH_ALEN];
1089	u16 idx;
1090	refcount_t refcnt;
1091};
1092
1093struct cxgb4_ethtool_filter_info {
1094	u32 *loc_array; /* Array holding the actual TIDs set to filters */
1095	unsigned long *bmap; /* Bitmap for managing filters in use */
1096	u32 in_use; /* # of filters in use */
1097};
1098
1099struct cxgb4_ethtool_filter {
1100	u32 nentries; /* Adapter wide number of supported filters */
1101	struct cxgb4_ethtool_filter_info *port; /* Per port entry */
1102};
1103
1104struct adapter {
1105	void __iomem *regs;
1106	void __iomem *bar2;
1107	u32 t4_bar0;
1108	struct pci_dev *pdev;
1109	struct device *pdev_dev;
1110	const char *name;
1111	unsigned int mbox;
1112	unsigned int pf;
1113	unsigned int flags;
1114	unsigned int adap_idx;
1115	enum chip_type chip;
1116	u32 eth_flags;
1117
1118	int msg_enable;
1119	__be16 vxlan_port;
1120	__be16 geneve_port;
1121
1122	struct adapter_params params;
1123	struct cxgb4_virt_res vres;
1124	unsigned int swintr;
1125
1126	/* MSI-X Info for NIC and OFLD queues */
1127	struct msix_info *msix_info;
1128	struct msix_bmap msix_bmap;
1129
1130	struct doorbell_stats db_stats;
1131	struct sge sge;
1132
1133	struct net_device *port[MAX_NPORTS];
1134	u8 chan_map[NCHAN];                   /* channel -> port map */
1135
1136	struct vf_info *vfinfo;
1137	u8 num_vfs;
1138
1139	u32 filter_mode;
1140	unsigned int l2t_start;
1141	unsigned int l2t_end;
1142	struct l2t_data *l2t;
1143	unsigned int clipt_start;
1144	unsigned int clipt_end;
1145	struct clip_tbl *clipt;
1146	unsigned int rawf_start;
1147	unsigned int rawf_cnt;
1148	struct smt_data *smt;
1149	struct cxgb4_uld_info *uld;
1150	void *uld_handle[CXGB4_ULD_MAX];
1151	unsigned int num_uld;
1152	unsigned int num_ofld_uld;
1153	struct list_head list_node;
1154	struct list_head rcu_node;
1155	struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */
1156	struct list_head mps_ref;
1157	spinlock_t mps_ref_lock; /* lock for syncing mps ref/def activities */
1158
1159	void *iscsi_ppm;
1160
1161	struct tid_info tids;
1162	void **tid_release_head;
1163	spinlock_t tid_release_lock;
1164	struct workqueue_struct *workq;
1165	struct work_struct tid_release_task;
1166	struct work_struct db_full_task;
1167	struct work_struct db_drop_task;
1168	struct work_struct fatal_err_notify_task;
1169	bool tid_release_task_busy;
1170
1171	/* lock for mailbox cmd list */
1172	spinlock_t mbox_lock;
1173	struct mbox_list mlist;
1174
1175	/* support for mailbox command/reply logging */
1176#define T4_OS_LOG_MBOX_CMDS 256
1177	struct mbox_cmd_log *mbox_log;
1178
1179	struct mutex uld_mutex;
1180
1181	struct dentry *debugfs_root;
1182	bool use_bd;     /* Use SGE Back Door intfc for reading SGE Contexts */
1183	bool trace_rss;	/* 1 implies that different RSS flit per filter is
1184			 * used per filter else if 0 default RSS flit is
1185			 * used for all 4 filters.
1186			 */
1187
1188	struct ptp_clock *ptp_clock;
1189	struct ptp_clock_info ptp_clock_info;
1190	struct sk_buff *ptp_tx_skb;
1191	/* ptp lock */
1192	spinlock_t ptp_lock;
1193	spinlock_t stats_lock;
1194	spinlock_t win0_lock ____cacheline_aligned_in_smp;
1195
1196	/* TC u32 offload */
1197	struct cxgb4_tc_u32_table *tc_u32;
1198	struct chcr_ktls chcr_ktls;
1199	struct chcr_stats_debug chcr_stats;
1200#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
1201	struct ch_ktls_stats_debug ch_ktls_stats;
1202#endif
1203#if IS_ENABLED(CONFIG_CHELSIO_IPSEC_INLINE)
1204	struct ch_ipsec_stats_debug ch_ipsec_stats;
1205#endif
1206
1207	/* TC flower offload */
1208	bool tc_flower_initialized;
1209	struct rhashtable flower_tbl;
1210	struct rhashtable_params flower_ht_params;
1211	struct timer_list flower_stats_timer;
1212	struct work_struct flower_stats_work;
1213
1214	/* 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 */
1242struct 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
1261enum {
1262	SCHED_CLASS_TYPE_PACKET = 0,    /* class type */
1263};
1264
1265enum {
1266	SCHED_CLASS_LEVEL_CL_RL = 0,    /* class rate limiter */
1267	SCHED_CLASS_LEVEL_CH_RL = 2,    /* channel rate limiter */
1268};
1269
1270enum {
1271	SCHED_CLASS_MODE_CLASS = 0,     /* per-class scheduling */
1272	SCHED_CLASS_MODE_FLOW,          /* per-flow scheduling */
1273};
1274
1275enum {
1276	SCHED_CLASS_RATEUNIT_BITS = 0,  /* bit rate scheduling */
1277};
1278
1279enum {
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 */
1286struct 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 */
1294struct 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 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 */
1332struct 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 */
1368struct 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
1425enum {
1426	FILTER_PASS = 0,        /* default */
1427	FILTER_DROP,
1428	FILTER_SWITCH
1429};
1430
1431enum {
1432	VLAN_NOCHANGE = 0,      /* default */
1433	VLAN_REMOVE,
1434	VLAN_INSERT,
1435	VLAN_REWRITE
1436};
1437
1438enum {
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 */
1457struct 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
1477static inline int is_offload(const struct adapter *adap)
1478{
1479	return adap->params.offload;
1480}
1481
1482static inline int is_hashfilter(const struct adapter *adap)
1483{
1484	return adap->params.hash_filter;
1485}
1486
1487static inline int is_pci_uld(const struct adapter *adap)
1488{
1489	return adap->params.crypto;
1490}
1491
1492static inline int is_uld(const struct adapter *adap)
1493{
1494	return (adap->params.offload || adap->params.crypto);
1495}
1496
1497static inline int is_ethofld(const struct adapter *adap)
1498{
1499	return adap->params.ethofld;
1500}
1501
1502static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
1503{
1504	return readl(adap->regs + reg_addr);
1505}
1506
1507static 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
1513static inline u64 readq(const volatile void __iomem *addr)
1514{
1515	return readl(addr) + ((u64)readl(addr + 4) << 32);
1516}
1517
1518static inline void writeq(u64 val, volatile void __iomem *addr)
1519{
1520	writel(val, addr);
1521	writel(val >> 32, addr + 4);
1522}
1523#endif
1524
1525static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
1526{
1527	return readq(adap->regs + reg_addr);
1528}
1529
1530static 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 */
1544static 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 */
1557static 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 */
1569static 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 */
1580static 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 */
1590static 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. */
1597static 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 */
1606extern char cxgb4_driver_name[];
1607
1608void t4_os_portmod_changed(struct adapter *adap, int port_id);
1609void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
1610
1611void t4_free_sge_resources(struct adapter *adap);
1612irq_handler_t t4_intr_handler(struct adapter *adap);
1613netdev_tx_t t4_start_xmit(struct sk_buff *skb, struct net_device *dev);
1614int cxgb4_selftest_lb_pkt(struct net_device *netdev);
1615int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
1616		     const struct pkt_gl *gl);
1617int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
1618int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
1619int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
1620		     struct net_device *dev, int intr_idx,
1621		     struct sge_fl *fl, rspq_handler_t hnd,
1622		     rspq_flush_handler_t flush_handler, int cong);
1623int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
1624			 struct net_device *dev, struct netdev_queue *netdevq,
1625			 unsigned int iqid, u8 dbqt);
1626int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq,
1627			  struct net_device *dev, unsigned int iqid,
1628			  unsigned int cmplqid);
1629int t4_sge_mod_ctrl_txq(struct adapter *adap, unsigned int eqid,
1630			unsigned int cmplqid);
1631int t4_sge_alloc_uld_txq(struct adapter *adap, struct sge_uld_txq *txq,
1632			 struct net_device *dev, unsigned int iqid,
1633			 unsigned int uld_type);
1634int t4_sge_alloc_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq,
1635			     struct net_device *dev, u32 iqid);
1636void t4_sge_free_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq);
1637irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
1638int t4_sge_init(struct adapter *adap);
1639void t4_sge_start(struct adapter *adap);
1640void t4_sge_stop(struct adapter *adap);
1641int t4_sge_eth_txq_egress_update(struct adapter *adap, struct sge_eth_txq *q,
1642				 int maxreclaim);
1643void cxgb4_set_ethtool_ops(struct net_device *netdev);
1644int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
1645enum cpl_tx_tnl_lso_type cxgb_encap_offload_supported(struct sk_buff *skb);
1646extern int dbfifo_int_thresh;
1647
1648#define for_each_port(adapter, iter) \
1649	for (iter = 0; iter < (adapter)->params.nports; ++iter)
1650
1651static inline int is_bypass(struct adapter *adap)
1652{
1653	return adap->params.bypass;
1654}
1655
1656static inline int is_bypass_device(int device)
1657{
1658	/* this should be set based upon device capabilities */
1659	switch (device) {
1660	case 0x440b:
1661	case 0x440c:
1662		return 1;
1663	default:
1664		return 0;
1665	}
1666}
1667
1668static inline int is_10gbt_device(int device)
1669{
1670	/* this should be set based upon device capabilities */
1671	switch (device) {
1672	case 0x4409:
1673	case 0x4486:
1674		return 1;
1675
1676	default:
1677		return 0;
1678	}
1679}
1680
1681static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
1682{
1683	return adap->params.vpd.cclk / 1000;
1684}
1685
1686static inline unsigned int us_to_core_ticks(const struct adapter *adap,
1687					    unsigned int us)
1688{
1689	return (us * adap->params.vpd.cclk) / 1000;
1690}
1691
1692static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
1693					    unsigned int ticks)
1694{
1695	/* add Core Clock / 2 to round ticks to nearest uS */
1696	return ((ticks * 1000 + adapter->params.vpd.cclk/2) /
1697		adapter->params.vpd.cclk);
1698}
1699
1700static inline unsigned int dack_ticks_to_usec(const struct adapter *adap,
1701					      unsigned int ticks)
1702{
1703	return (ticks << adap->params.tp.dack_re) / core_ticks_per_usec(adap);
1704}
1705
1706void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
1707		      u32 val);
1708
1709int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
1710			    int size, void *rpl, bool sleep_ok, int timeout);
1711int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
1712		    void *rpl, bool sleep_ok);
1713
1714static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox,
1715				     const void *cmd, int size, void *rpl,
1716				     int timeout)
1717{
1718	return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true,
1719				       timeout);
1720}
1721
1722static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd,
1723			     int size, void *rpl)
1724{
1725	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true);
1726}
1727
1728static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
1729				int size, void *rpl)
1730{
1731	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false);
1732}
1733
1734/**
1735 *	hash_mac_addr - return the hash value of a MAC address
1736 *	@addr: the 48-bit Ethernet MAC address
1737 *
1738 *	Hashes a MAC address according to the hash function used by HW inexact
1739 *	(hash) address matching.
1740 */
1741static inline int hash_mac_addr(const u8 *addr)
1742{
1743	u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
1744	u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
1745
1746	a ^= b;
1747	a ^= (a >> 12);
1748	a ^= (a >> 6);
1749	return a & 0x3f;
1750}
1751
1752int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
1753			       unsigned int cnt);
1754static inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
1755			     unsigned int us, unsigned int cnt,
1756			     unsigned int size, unsigned int iqe_size)
1757{
1758	q->adap = adap;
1759	cxgb4_set_rspq_intr_params(q, us, cnt);
1760	q->iqe_len = iqe_size;
1761	q->size = size;
1762}
1763
1764/**
1765 *     t4_is_inserted_mod_type - is a plugged in Firmware Module Type
1766 *     @fw_mod_type: the Firmware Mofule Type
1767 *
1768 *     Return whether the Firmware Module Type represents a real Transceiver
1769 *     Module/Cable Module Type which has been inserted.
1770 */
1771static inline bool t4_is_inserted_mod_type(unsigned int fw_mod_type)
1772{
1773	return (fw_mod_type != FW_PORT_MOD_TYPE_NONE &&
1774		fw_mod_type != FW_PORT_MOD_TYPE_NOTSUPPORTED &&
1775		fw_mod_type != FW_PORT_MOD_TYPE_UNKNOWN &&
1776		fw_mod_type != FW_PORT_MOD_TYPE_ERROR);
1777}
1778
1779void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
1780		       unsigned int data_reg, const u32 *vals,
1781		       unsigned int nregs, unsigned int start_idx);
1782void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
1783		      unsigned int data_reg, u32 *vals, unsigned int nregs,
1784		      unsigned int start_idx);
1785void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
1786
1787struct fw_filter_wr;
1788
1789void t4_intr_enable(struct adapter *adapter);
1790void t4_intr_disable(struct adapter *adapter);
1791int t4_slow_intr_handler(struct adapter *adapter);
1792
1793int t4_wait_dev_ready(void __iomem *regs);
1794
1795fw_port_cap32_t t4_link_acaps(struct adapter *adapter, unsigned int port,
1796			      struct link_config *lc);
1797int t4_link_l1cfg_core(struct adapter *adap, unsigned int mbox,
1798		       unsigned int port, struct link_config *lc,
1799		       u8 sleep_ok, int timeout);
1800
1801static inline int t4_link_l1cfg(struct adapter *adapter, unsigned int mbox,
1802				unsigned int port, struct link_config *lc)
1803{
1804	return t4_link_l1cfg_core(adapter, mbox, port, lc,
1805				  true, FW_CMD_MAX_TIMEOUT);
1806}
1807
1808static inline int t4_link_l1cfg_ns(struct adapter *adapter, unsigned int mbox,
1809				   unsigned int port, struct link_config *lc)
1810{
1811	return t4_link_l1cfg_core(adapter, mbox, port, lc,
1812				  false, FW_CMD_MAX_TIMEOUT);
1813}
1814
1815int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
1816
1817u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
1818u32 t4_get_util_window(struct adapter *adap);
1819void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
1820
1821int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off,
1822		      u32 *mem_base, u32 *mem_aperture);
1823void t4_memory_update_win(struct adapter *adap, int win, u32 addr);
1824void t4_memory_rw_residual(struct adapter *adap, u32 off, u32 addr, u8 *buf,
1825			   int dir);
1826#define T4_MEMORY_WRITE	0
1827#define T4_MEMORY_READ	1
1828int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
1829		 void *buf, int dir);
1830static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
1831				  u32 len, __be32 *buf)
1832{
1833	return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0);
1834}
1835
1836unsigned int t4_get_regs_len(struct adapter *adapter);
1837void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
1838
1839int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz);
1840int t4_seeprom_wp(struct adapter *adapter, bool enable);
1841int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
1842int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
1843int t4_get_pfres(struct adapter *adapter);
1844int t4_read_flash(struct adapter *adapter, unsigned int addr,
1845		  unsigned int nwords, u32 *data, int byte_oriented);
1846int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
1847int t4_load_phy_fw(struct adapter *adap, int win,
1848		   int (*phy_fw_version)(const u8 *, size_t),
1849		   const u8 *phy_fw_data, size_t phy_fw_size);
1850int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver);
1851int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op);
1852int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1853		  const u8 *fw_data, unsigned int size, int force);
1854int t4_fl_pkt_align(struct adapter *adap);
1855unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1856int t4_check_fw_version(struct adapter *adap);
1857int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
1858int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1859int t4_get_bs_version(struct adapter *adapter, u32 *vers);
1860int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1861int t4_get_exprom_version(struct adapter *adapter, u32 *vers);
1862int t4_get_scfg_version(struct adapter *adapter, u32 *vers);
1863int t4_get_vpd_version(struct adapter *adapter, u32 *vers);
1864int t4_get_version_info(struct adapter *adapter);
1865void t4_dump_version_info(struct adapter *adapter);
1866int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
1867	       const u8 *fw_data, unsigned int fw_size,
1868	       struct fw_hdr *card_fw, enum dev_state state, int *reset);
1869int t4_prep_adapter(struct adapter *adapter);
1870int t4_shutdown_adapter(struct adapter *adapter);
1871
1872enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1873int t4_bar2_sge_qregs(struct adapter *adapter,
1874		      unsigned int qid,
1875		      enum t4_bar2_qtype qtype,
1876		      int user,
1877		      u64 *pbar2_qoffset,
1878		      unsigned int *pbar2_qid);
1879
1880unsigned int qtimer_val(const struct adapter *adap,
1881			const struct sge_rspq *q);
1882
1883int t4_init_devlog_params(struct adapter *adapter);
1884int t4_init_sge_params(struct adapter *adapter);
1885int t4_init_tp_params(struct adapter *adap, bool sleep_ok);
1886int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1887int t4_init_rss_mode(struct adapter *adap, int mbox);
1888int t4_init_portinfo(struct port_info *pi, int mbox,
1889		     int port, int pf, int vf, u8 mac[]);
1890int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1891int t4_init_port_mirror(struct port_info *pi, u8 mbox, u8 port, u8 pf, u8 vf,
1892			u16 *mirror_viid);
1893void t4_fatal_err(struct adapter *adapter);
1894unsigned int t4_chip_rss_size(struct adapter *adapter);
1895int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1896			int start, int n, const u16 *rspq, unsigned int nrspq);
1897int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1898		       unsigned int flags);
1899int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
1900		     unsigned int flags, unsigned int defq);
1901int t4_read_rss(struct adapter *adapter, u16 *entries);
1902void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok);
1903void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
1904		      bool sleep_ok);
1905void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
1906			   u32 *valp, bool sleep_ok);
1907void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
1908			   u32 *vfl, u32 *vfh, bool sleep_ok);
1909u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok);
1910u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok);
1911
1912unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx);
1913unsigned int t4_get_tp_ch_map(struct adapter *adapter, int pidx);
1914void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1915void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1916int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data,
1917		    size_t n);
1918int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data,
1919		    size_t n);
1920int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1921		unsigned int *valp);
1922int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1923		 const unsigned int *valp);
1924int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
1925void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
1926			unsigned int *pif_req_wrptr,
1927			unsigned int *pif_rsp_wrptr);
1928void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp);
1929void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
1930const char *t4_get_port_type_description(enum fw_port_type port_type);
1931void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1932void t4_get_port_stats_offset(struct adapter *adap, int idx,
1933			      struct port_stats *stats,
1934			      struct port_stats *offset);
1935void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p);
1936void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1937void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
1938void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1939			    unsigned int mask, unsigned int val);
1940void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
1941void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
1942			 bool sleep_ok);
1943void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
1944			 bool sleep_ok);
1945void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
1946			  bool sleep_ok);
1947void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
1948		      bool sleep_ok);
1949void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1950			 struct tp_tcp_stats *v6, bool sleep_ok);
1951void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
1952		       struct tp_fcoe_stats *st, bool sleep_ok);
1953void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1954		  const unsigned short *alpha, const unsigned short *beta);
1955
1956void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf);
1957
1958void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
1959void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1960
1961int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1962		enum dev_master master, enum dev_state *state);
1963int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1964int t4_early_init(struct adapter *adap, unsigned int mbox);
1965int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1966int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1967			  unsigned int cache_line_size);
1968int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1969int 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);
1972int 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);
1975int 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);
1978int 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);
1982int 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);
1985int 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);
1990int 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);
1993int t4_free_vi(struct adapter *adap, unsigned int mbox,
1994	       unsigned int pf, unsigned int vf,
1995	       unsigned int viid);
1996int 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);
1999int 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);
2002int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid, int idx,
2003			   bool sleep_ok);
2004int 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);
2008int 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);
2011int 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);
2014int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
2015		     unsigned int viid, unsigned int naddr,
2016		     const u8 **addr, bool sleep_ok);
2017int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
2018		  int idx, const u8 *addr, bool persist, u8 *smt_idx);
2019int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
2020		     bool ucast, u64 vec, bool sleep_ok);
2021int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
2022			unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
2023int 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);
2026int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
2027		 bool rx_en, bool tx_en);
2028int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
2029		     unsigned int nblinks);
2030int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
2031	       unsigned int mmd, unsigned int reg, u16 *valp);
2032int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
2033	       unsigned int mmd, unsigned int reg, u16 val);
2034int 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);
2037int 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);
2040int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2041		   unsigned int vf, unsigned int eqid);
2042int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2043		    unsigned int vf, unsigned int eqid);
2044int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2045		    unsigned int vf, unsigned int eqid);
2046int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type);
2047int t4_read_sge_dbqtimers(struct adapter *adap, unsigned int ndbqtimers,
2048			  u16 *dbqtimers);
2049void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl);
2050int t4_update_port_info(struct port_info *pi);
2051int t4_get_link_params(struct port_info *pi, unsigned int *link_okp,
2052		       unsigned int *speedp, unsigned int *mtup);
2053int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
2054void t4_db_full(struct adapter *adapter);
2055void t4_db_dropped(struct adapter *adapter);
2056int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
2057			int filter_index, int enable);
2058void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
2059			 int filter_index, int *enabled);
2060int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
2061			 u32 addr, u32 val);
2062void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);
2063void t4_get_tx_sched(struct adapter *adap, unsigned int sched,
2064		     unsigned int *kbps, unsigned int *ipg, bool sleep_ok);
2065int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
2066		   enum ctxt_type ctype, u32 *data);
2067int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
2068		      enum ctxt_type ctype, u32 *data);
2069int 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);
2073void t4_sge_decode_idma_state(struct adapter *adapter, int state);
2074void t4_idma_monitor_init(struct adapter *adapter,
2075			  struct sge_idma_monitor_state *idma);
2076void t4_idma_monitor(struct adapter *adapter,
2077		     struct sge_idma_monitor_state *idma,
2078		     int hz, int ticks);
2079int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf,
2080		      u8 start, unsigned int naddr, u8 *addr);
2081void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
2082		    u32 start_index, bool sleep_ok);
2083void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
2084		       u32 start_index, bool sleep_ok);
2085void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
2086		    u32 start_index, bool sleep_ok);
2087
2088void t4_uld_mem_free(struct adapter *adap);
2089int t4_uld_mem_alloc(struct adapter *adap);
2090void t4_uld_clean_up(struct adapter *adap);
2091void t4_register_netevent_notifier(void);
2092int t4_i2c_rd(struct adapter *adap, unsigned int mbox, int port,
2093	      unsigned int devid, unsigned int offset,
2094	      unsigned int len, u8 *buf);
2095int t4_load_boot(struct adapter *adap, u8 *boot_data,
2096		 unsigned int boot_addr, unsigned int size);
2097int t4_load_bootcfg(struct adapter *adap,
2098		    const u8 *cfg_data, unsigned int size);
2099void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl);
2100void free_tx_desc(struct adapter *adap, struct sge_txq *q,
2101		  unsigned int n, bool unmap);
2102void cxgb4_eosw_txq_free_desc(struct adapter *adap, struct sge_eosw_txq *txq,
2103			      u32 ndesc);
2104int cxgb4_ethofld_send_flowc(struct net_device *dev, u32 eotid, u32 tc);
2105void cxgb4_ethofld_restart(struct tasklet_struct *t);
2106int cxgb4_ethofld_rx_handler(struct sge_rspq *q, const __be64 *rsp,
2107			     const struct pkt_gl *si);
2108void free_txq(struct adapter *adap, struct sge_txq *q);
2109void cxgb4_reclaim_completed_tx(struct adapter *adap,
2110				struct sge_txq *q, bool unmap);
2111int cxgb4_map_skb(struct device *dev, const struct sk_buff *skb,
2112		  dma_addr_t *addr);
2113void cxgb4_inline_tx_skb(const struct sk_buff *skb, const struct sge_txq *q,
2114			 void *pos);
2115void 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);
2118void 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);
2121void cxgb4_ring_tx_db(struct adapter *adap, struct sge_txq *q, int n);
2122int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
2123		    u16 vlan);
2124int cxgb4_dcb_enabled(const struct net_device *dev);
2125
2126int cxgb4_thermal_init(struct adapter *adap);
2127int cxgb4_thermal_remove(struct adapter *adap);
2128int cxgb4_set_msix_aff(struct adapter *adap, unsigned short vec,
2129		       cpumask_var_t *aff_mask, int idx);
2130void cxgb4_clear_msix_aff(unsigned short vec, cpumask_var_t aff_mask);
2131
2132int cxgb4_change_mac(struct port_info *pi, unsigned int viid,
2133		     int *tcam_idx, const u8 *addr,
2134		     bool persistent, u8 *smt_idx);
2135
2136int 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);
2140int cxgb4_free_mac_filt(struct adapter *adap, unsigned int viid,
2141			unsigned int naddr, const u8 **addr, bool sleep_ok);
2142int cxgb4_init_mps_ref_entries(struct adapter *adap);
2143void cxgb4_free_mps_ref_entries(struct adapter *adap);
2144int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid,
2145			  int *tcam_idx, const u8 *addr,
2146			  bool persistent, u8 *smt_idx);
2147int cxgb4_get_msix_idx_from_bmap(struct adapter *adap);
2148void cxgb4_free_msix_idx_in_bmap(struct adapter *adap, u32 msix_idx);
2149void cxgb4_enable_rx(struct adapter *adap, struct sge_rspq *q);
2150void cxgb4_quiesce_rx(struct sge_rspq *q);
2151int cxgb4_port_mirror_alloc(struct net_device *dev);
2152void cxgb4_port_mirror_free(struct net_device *dev);
2153#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
2154int cxgb4_set_ktls_feature(struct adapter *adap, bool enable);
2155#endif
2156#endif /* __CXGB4_H__ */
~/ Read-only file preview.