1 /* 2 * This file is part of the Chelsio T4 Ethernet driver for Linux. 3 * 4 * Copyright (c) 2003-2016 Chelsio Communications, Inc. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 */ 34 35 #ifndef __CXGB4_H__ 36 #define __CXGB4_H__ 37 38 #include "t4_hw.h" 39 40 #include <linux/bitops.h> 41 #include <linux/cache.h> 42 #include <linux/interrupt.h> 43 #include <linux/list.h> 44 #include <linux/netdevice.h> 45 #include <linux/pci.h> 46 #include <linux/spinlock.h> 47 #include <linux/timer.h> 48 #include <linux/vmalloc.h> 49 #include <linux/rhashtable.h> 50 #include <linux/etherdevice.h> 51 #include <linux/net_tstamp.h> 52 #include <linux/ptp_clock_kernel.h> 53 #include <linux/ptp_classify.h> 54 #include <linux/crash_dump.h> 55 #include <asm/io.h> 56 #include "t4_chip_type.h" 57 #include "cxgb4_uld.h" 58 59 #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__) 60 extern struct list_head adapter_list; 61 extern struct mutex uld_mutex; 62 63 /* Suspend an Ethernet Tx queue with fewer available descriptors than this. 64 * This is the same as calc_tx_descs() for a TSO packet with 65 * nr_frags == MAX_SKB_FRAGS. 66 */ 67 #define ETHTXQ_STOP_THRES \ 68 (1 + DIV_ROUND_UP((3 * MAX_SKB_FRAGS) / 2 + (MAX_SKB_FRAGS & 1), 8)) 69 70 enum { 71 MAX_NPORTS = 4, /* max # of ports */ 72 SERNUM_LEN = 24, /* Serial # length */ 73 EC_LEN = 16, /* E/C length */ 74 ID_LEN = 16, /* ID length */ 75 PN_LEN = 16, /* Part Number length */ 76 MACADDR_LEN = 12, /* MAC Address length */ 77 }; 78 79 enum { 80 T4_REGMAP_SIZE = (160 * 1024), 81 T5_REGMAP_SIZE = (332 * 1024), 82 }; 83 84 enum { 85 MEM_EDC0, 86 MEM_EDC1, 87 MEM_MC, 88 MEM_MC0 = MEM_MC, 89 MEM_MC1, 90 MEM_HMA, 91 }; 92 93 enum { 94 MEMWIN0_APERTURE = 2048, 95 MEMWIN0_BASE = 0x1b800, 96 MEMWIN1_APERTURE = 32768, 97 MEMWIN1_BASE = 0x28000, 98 MEMWIN1_BASE_T5 = 0x52000, 99 MEMWIN2_APERTURE = 65536, 100 MEMWIN2_BASE = 0x30000, 101 MEMWIN2_APERTURE_T5 = 131072, 102 MEMWIN2_BASE_T5 = 0x60000, 103 }; 104 105 enum dev_master { 106 MASTER_CANT, 107 MASTER_MAY, 108 MASTER_MUST 109 }; 110 111 enum dev_state { 112 DEV_STATE_UNINIT, 113 DEV_STATE_INIT, 114 DEV_STATE_ERR 115 }; 116 117 enum cc_pause { 118 PAUSE_RX = 1 << 0, 119 PAUSE_TX = 1 << 1, 120 PAUSE_AUTONEG = 1 << 2 121 }; 122 123 enum cc_fec { 124 FEC_AUTO = 1 << 0, /* IEEE 802.3 "automatic" */ 125 FEC_RS = 1 << 1, /* Reed-Solomon */ 126 FEC_BASER_RS = 1 << 2 /* BaseR/Reed-Solomon */ 127 }; 128 129 struct port_stats { 130 u64 tx_octets; /* total # of octets in good frames */ 131 u64 tx_frames; /* all good frames */ 132 u64 tx_bcast_frames; /* all broadcast frames */ 133 u64 tx_mcast_frames; /* all multicast frames */ 134 u64 tx_ucast_frames; /* all unicast frames */ 135 u64 tx_error_frames; /* all error frames */ 136 137 u64 tx_frames_64; /* # of Tx frames in a particular range */ 138 u64 tx_frames_65_127; 139 u64 tx_frames_128_255; 140 u64 tx_frames_256_511; 141 u64 tx_frames_512_1023; 142 u64 tx_frames_1024_1518; 143 u64 tx_frames_1519_max; 144 145 u64 tx_drop; /* # of dropped Tx frames */ 146 u64 tx_pause; /* # of transmitted pause frames */ 147 u64 tx_ppp0; /* # of transmitted PPP prio 0 frames */ 148 u64 tx_ppp1; /* # of transmitted PPP prio 1 frames */ 149 u64 tx_ppp2; /* # of transmitted PPP prio 2 frames */ 150 u64 tx_ppp3; /* # of transmitted PPP prio 3 frames */ 151 u64 tx_ppp4; /* # of transmitted PPP prio 4 frames */ 152 u64 tx_ppp5; /* # of transmitted PPP prio 5 frames */ 153 u64 tx_ppp6; /* # of transmitted PPP prio 6 frames */ 154 u64 tx_ppp7; /* # of transmitted PPP prio 7 frames */ 155 156 u64 rx_octets; /* total # of octets in good frames */ 157 u64 rx_frames; /* all good frames */ 158 u64 rx_bcast_frames; /* all broadcast frames */ 159 u64 rx_mcast_frames; /* all multicast frames */ 160 u64 rx_ucast_frames; /* all unicast frames */ 161 u64 rx_too_long; /* # of frames exceeding MTU */ 162 u64 rx_jabber; /* # of jabber frames */ 163 u64 rx_fcs_err; /* # of received frames with bad FCS */ 164 u64 rx_len_err; /* # of received frames with length error */ 165 u64 rx_symbol_err; /* symbol errors */ 166 u64 rx_runt; /* # of short frames */ 167 168 u64 rx_frames_64; /* # of Rx frames in a particular range */ 169 u64 rx_frames_65_127; 170 u64 rx_frames_128_255; 171 u64 rx_frames_256_511; 172 u64 rx_frames_512_1023; 173 u64 rx_frames_1024_1518; 174 u64 rx_frames_1519_max; 175 176 u64 rx_pause; /* # of received pause frames */ 177 u64 rx_ppp0; /* # of received PPP prio 0 frames */ 178 u64 rx_ppp1; /* # of received PPP prio 1 frames */ 179 u64 rx_ppp2; /* # of received PPP prio 2 frames */ 180 u64 rx_ppp3; /* # of received PPP prio 3 frames */ 181 u64 rx_ppp4; /* # of received PPP prio 4 frames */ 182 u64 rx_ppp5; /* # of received PPP prio 5 frames */ 183 u64 rx_ppp6; /* # of received PPP prio 6 frames */ 184 u64 rx_ppp7; /* # of received PPP prio 7 frames */ 185 186 u64 rx_ovflow0; /* drops due to buffer-group 0 overflows */ 187 u64 rx_ovflow1; /* drops due to buffer-group 1 overflows */ 188 u64 rx_ovflow2; /* drops due to buffer-group 2 overflows */ 189 u64 rx_ovflow3; /* drops due to buffer-group 3 overflows */ 190 u64 rx_trunc0; /* buffer-group 0 truncated packets */ 191 u64 rx_trunc1; /* buffer-group 1 truncated packets */ 192 u64 rx_trunc2; /* buffer-group 2 truncated packets */ 193 u64 rx_trunc3; /* buffer-group 3 truncated packets */ 194 }; 195 196 struct lb_port_stats { 197 u64 octets; 198 u64 frames; 199 u64 bcast_frames; 200 u64 mcast_frames; 201 u64 ucast_frames; 202 u64 error_frames; 203 204 u64 frames_64; 205 u64 frames_65_127; 206 u64 frames_128_255; 207 u64 frames_256_511; 208 u64 frames_512_1023; 209 u64 frames_1024_1518; 210 u64 frames_1519_max; 211 212 u64 drop; 213 214 u64 ovflow0; 215 u64 ovflow1; 216 u64 ovflow2; 217 u64 ovflow3; 218 u64 trunc0; 219 u64 trunc1; 220 u64 trunc2; 221 u64 trunc3; 222 }; 223 224 struct tp_tcp_stats { 225 u32 tcp_out_rsts; 226 u64 tcp_in_segs; 227 u64 tcp_out_segs; 228 u64 tcp_retrans_segs; 229 }; 230 231 struct tp_usm_stats { 232 u32 frames; 233 u32 drops; 234 u64 octets; 235 }; 236 237 struct tp_fcoe_stats { 238 u32 frames_ddp; 239 u32 frames_drop; 240 u64 octets_ddp; 241 }; 242 243 struct tp_err_stats { 244 u32 mac_in_errs[4]; 245 u32 hdr_in_errs[4]; 246 u32 tcp_in_errs[4]; 247 u32 tnl_cong_drops[4]; 248 u32 ofld_chan_drops[4]; 249 u32 tnl_tx_drops[4]; 250 u32 ofld_vlan_drops[4]; 251 u32 tcp6_in_errs[4]; 252 u32 ofld_no_neigh; 253 u32 ofld_cong_defer; 254 }; 255 256 struct tp_cpl_stats { 257 u32 req[4]; 258 u32 rsp[4]; 259 }; 260 261 struct tp_rdma_stats { 262 u32 rqe_dfr_pkt; 263 u32 rqe_dfr_mod; 264 }; 265 266 struct sge_params { 267 u32 hps; /* host page size for our PF/VF */ 268 u32 eq_qpp; /* egress queues/page for our PF/VF */ 269 u32 iq_qpp; /* egress queues/page for our PF/VF */ 270 }; 271 272 struct tp_params { 273 unsigned int tre; /* log2 of core clocks per TP tick */ 274 unsigned int la_mask; /* what events are recorded by TP LA */ 275 unsigned short tx_modq_map; /* TX modulation scheduler queue to */ 276 /* channel map */ 277 278 uint32_t dack_re; /* DACK timer resolution */ 279 unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */ 280 281 u32 vlan_pri_map; /* cached TP_VLAN_PRI_MAP */ 282 u32 ingress_config; /* cached TP_INGRESS_CONFIG */ 283 284 /* cached TP_OUT_CONFIG compressed error vector 285 * and passing outer header info for encapsulated packets. 286 */ 287 int rx_pkt_encap; 288 289 /* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets. This is a 290 * subset of the set of fields which may be present in the Compressed 291 * Filter Tuple portion of filters and TCP TCB connections. The 292 * fields which are present are controlled by the TP_VLAN_PRI_MAP. 293 * Since a variable number of fields may or may not be present, their 294 * shifted field positions within the Compressed Filter Tuple may 295 * vary, or not even be present if the field isn't selected in 296 * TP_VLAN_PRI_MAP. Since some of these fields are needed in various 297 * places we store their offsets here, or a -1 if the field isn't 298 * present. 299 */ 300 int fcoe_shift; 301 int port_shift; 302 int vnic_shift; 303 int vlan_shift; 304 int tos_shift; 305 int protocol_shift; 306 int ethertype_shift; 307 int macmatch_shift; 308 int matchtype_shift; 309 int frag_shift; 310 311 u64 hash_filter_mask; 312 }; 313 314 struct vpd_params { 315 unsigned int cclk; 316 u8 ec[EC_LEN + 1]; 317 u8 sn[SERNUM_LEN + 1]; 318 u8 id[ID_LEN + 1]; 319 u8 pn[PN_LEN + 1]; 320 u8 na[MACADDR_LEN + 1]; 321 }; 322 323 /* Maximum resources provisioned for a PCI PF. 324 */ 325 struct pf_resources { 326 unsigned int nvi; /* N virtual interfaces */ 327 unsigned int neq; /* N egress Qs */ 328 unsigned int nethctrl; /* N egress ETH or CTRL Qs */ 329 unsigned int niqflint; /* N ingress Qs/w free list(s) & intr */ 330 unsigned int niq; /* N ingress Qs */ 331 unsigned int tc; /* PCI-E traffic class */ 332 unsigned int pmask; /* port access rights mask */ 333 unsigned int nexactf; /* N exact MPS filters */ 334 unsigned int r_caps; /* read capabilities */ 335 unsigned int wx_caps; /* write/execute capabilities */ 336 }; 337 338 struct pci_params { 339 unsigned int vpd_cap_addr; 340 unsigned char speed; 341 unsigned char width; 342 }; 343 344 struct devlog_params { 345 u32 memtype; /* which memory (EDC0, EDC1, MC) */ 346 u32 start; /* start of log in firmware memory */ 347 u32 size; /* size of log */ 348 }; 349 350 /* Stores chip specific parameters */ 351 struct arch_specific_params { 352 u8 nchan; 353 u8 pm_stats_cnt; 354 u8 cng_ch_bits_log; /* congestion channel map bits width */ 355 u16 mps_rplc_size; 356 u16 vfcount; 357 u32 sge_fl_db; 358 u16 mps_tcam_size; 359 }; 360 361 struct adapter_params { 362 struct sge_params sge; 363 struct tp_params tp; 364 struct vpd_params vpd; 365 struct pf_resources pfres; 366 struct pci_params pci; 367 struct devlog_params devlog; 368 enum pcie_memwin drv_memwin; 369 370 unsigned int cim_la_size; 371 372 unsigned int sf_size; /* serial flash size in bytes */ 373 unsigned int sf_nsec; /* # of flash sectors */ 374 375 unsigned int fw_vers; /* firmware version */ 376 unsigned int bs_vers; /* bootstrap version */ 377 unsigned int tp_vers; /* TP microcode version */ 378 unsigned int er_vers; /* expansion ROM version */ 379 unsigned int scfg_vers; /* Serial Configuration version */ 380 unsigned int vpd_vers; /* VPD Version */ 381 u8 api_vers[7]; 382 383 unsigned short mtus[NMTUS]; 384 unsigned short a_wnd[NCCTRL_WIN]; 385 unsigned short b_wnd[NCCTRL_WIN]; 386 387 unsigned char nports; /* # of ethernet ports */ 388 unsigned char portvec; 389 enum chip_type chip; /* chip code */ 390 struct arch_specific_params arch; /* chip specific params */ 391 unsigned char offload; 392 unsigned char crypto; /* HW capability for crypto */ 393 394 unsigned char bypass; 395 unsigned char hash_filter; 396 397 unsigned int ofldq_wr_cred; 398 bool ulptx_memwrite_dsgl; /* use of T5 DSGL allowed */ 399 400 unsigned int nsched_cls; /* number of traffic classes */ 401 unsigned int max_ordird_qp; /* Max read depth per RDMA QP */ 402 unsigned int max_ird_adapter; /* Max read depth per adapter */ 403 bool fr_nsmr_tpte_wr_support; /* FW support for FR_NSMR_TPTE_WR */ 404 u8 fw_caps_support; /* 32-bit Port Capabilities */ 405 bool filter2_wr_support; /* FW support for FILTER2_WR */ 406 407 /* MPS Buffer Group Map[per Port]. Bit i is set if buffer group i is 408 * used by the Port 409 */ 410 u8 mps_bg_map[MAX_NPORTS]; /* MPS Buffer Group Map */ 411 bool write_w_imm_support; /* FW supports WRITE_WITH_IMMEDIATE */ 412 bool write_cmpl_support; /* FW supports WRITE_CMPL */ 413 }; 414 415 /* State needed to monitor the forward progress of SGE Ingress DMA activities 416 * and possible hangs. 417 */ 418 struct sge_idma_monitor_state { 419 unsigned int idma_1s_thresh; /* 1s threshold in Core Clock ticks */ 420 unsigned int idma_stalled[2]; /* synthesized stalled timers in HZ */ 421 unsigned int idma_state[2]; /* IDMA Hang detect state */ 422 unsigned int idma_qid[2]; /* IDMA Hung Ingress Queue ID */ 423 unsigned int idma_warn[2]; /* time to warning in HZ */ 424 }; 425 426 /* Firmware Mailbox Command/Reply log. All values are in Host-Endian format. 427 * The access and execute times are signed in order to accommodate negative 428 * error returns. 429 */ 430 struct mbox_cmd { 431 u64 cmd[MBOX_LEN / 8]; /* a Firmware Mailbox Command/Reply */ 432 u64 timestamp; /* OS-dependent timestamp */ 433 u32 seqno; /* sequence number */ 434 s16 access; /* time (ms) to access mailbox */ 435 s16 execute; /* time (ms) to execute */ 436 }; 437 438 struct mbox_cmd_log { 439 unsigned int size; /* number of entries in the log */ 440 unsigned int cursor; /* next position in the log to write */ 441 u32 seqno; /* next sequence number */ 442 /* variable length mailbox command log starts here */ 443 }; 444 445 /* Given a pointer to a Firmware Mailbox Command Log and a log entry index, 446 * return a pointer to the specified entry. 447 */ 448 static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log, 449 unsigned int entry_idx) 450 { 451 return &((struct mbox_cmd *)&(log)[1])[entry_idx]; 452 } 453 454 #include "t4fw_api.h" 455 456 #define FW_VERSION(chip) ( \ 457 FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \ 458 FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \ 459 FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \ 460 FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD)) 461 #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf) 462 463 struct fw_info { 464 u8 chip; 465 char *fs_name; 466 char *fw_mod_name; 467 struct fw_hdr fw_hdr; 468 }; 469 470 struct trace_params { 471 u32 data[TRACE_LEN / 4]; 472 u32 mask[TRACE_LEN / 4]; 473 unsigned short snap_len; 474 unsigned short min_len; 475 unsigned char skip_ofst; 476 unsigned char skip_len; 477 unsigned char invert; 478 unsigned char port; 479 }; 480 481 /* Firmware Port Capabilities types. */ 482 483 typedef u16 fw_port_cap16_t; /* 16-bit Port Capabilities integral value */ 484 typedef u32 fw_port_cap32_t; /* 32-bit Port Capabilities integral value */ 485 486 enum fw_caps { 487 FW_CAPS_UNKNOWN = 0, /* 0'ed out initial state */ 488 FW_CAPS16 = 1, /* old Firmware: 16-bit Port Capabilities */ 489 FW_CAPS32 = 2, /* new Firmware: 32-bit Port Capabilities */ 490 }; 491 492 struct link_config { 493 fw_port_cap32_t pcaps; /* link capabilities */ 494 fw_port_cap32_t def_acaps; /* default advertised capabilities */ 495 fw_port_cap32_t acaps; /* advertised capabilities */ 496 fw_port_cap32_t lpacaps; /* peer advertised capabilities */ 497 498 fw_port_cap32_t speed_caps; /* speed(s) user has requested */ 499 unsigned int speed; /* actual link speed (Mb/s) */ 500 501 enum cc_pause requested_fc; /* flow control user has requested */ 502 enum cc_pause fc; /* actual link flow control */ 503 504 enum cc_fec requested_fec; /* Forward Error Correction: */ 505 enum cc_fec fec; /* requested and actual in use */ 506 507 unsigned char autoneg; /* autonegotiating? */ 508 509 unsigned char link_ok; /* link up? */ 510 unsigned char link_down_rc; /* link down reason */ 511 512 bool new_module; /* ->OS Transceiver Module inserted */ 513 bool redo_l1cfg; /* ->CC redo current "sticky" L1 CFG */ 514 }; 515 516 #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16) 517 518 enum { 519 MAX_ETH_QSETS = 32, /* # of Ethernet Tx/Rx queue sets */ 520 MAX_OFLD_QSETS = 16, /* # of offload Tx, iscsi Rx queue sets */ 521 MAX_CTRL_QUEUES = NCHAN, /* # of control Tx queues */ 522 }; 523 524 enum { 525 MAX_TXQ_ENTRIES = 16384, 526 MAX_CTRL_TXQ_ENTRIES = 1024, 527 MAX_RSPQ_ENTRIES = 16384, 528 MAX_RX_BUFFERS = 16384, 529 MIN_TXQ_ENTRIES = 32, 530 MIN_CTRL_TXQ_ENTRIES = 32, 531 MIN_RSPQ_ENTRIES = 128, 532 MIN_FL_ENTRIES = 16 533 }; 534 535 enum { 536 MAX_TXQ_DESC_SIZE = 64, 537 MAX_RXQ_DESC_SIZE = 128, 538 MAX_FL_DESC_SIZE = 8, 539 MAX_CTRL_TXQ_DESC_SIZE = 64, 540 }; 541 542 enum { 543 INGQ_EXTRAS = 2, /* firmware event queue and */ 544 /* forwarded interrupts */ 545 MAX_INGQ = MAX_ETH_QSETS + INGQ_EXTRAS, 546 }; 547 548 enum { 549 PRIV_FLAG_PORT_TX_VM_BIT, 550 }; 551 552 #define PRIV_FLAG_PORT_TX_VM BIT(PRIV_FLAG_PORT_TX_VM_BIT) 553 554 #define PRIV_FLAGS_ADAP 0 555 #define PRIV_FLAGS_PORT PRIV_FLAG_PORT_TX_VM 556 557 struct adapter; 558 struct sge_rspq; 559 560 #include "cxgb4_dcb.h" 561 562 #ifdef CONFIG_CHELSIO_T4_FCOE 563 #include "cxgb4_fcoe.h" 564 #endif /* CONFIG_CHELSIO_T4_FCOE */ 565 566 struct port_info { 567 struct adapter *adapter; 568 u16 viid; 569 s16 xact_addr_filt; /* index of exact MAC address filter */ 570 u16 rss_size; /* size of VI's RSS table slice */ 571 s8 mdio_addr; 572 enum fw_port_type port_type; 573 u8 mod_type; 574 u8 port_id; 575 u8 tx_chan; 576 u8 lport; /* associated offload logical port */ 577 u8 nqsets; /* # of qsets */ 578 u8 first_qset; /* index of first qset */ 579 u8 rss_mode; 580 struct link_config link_cfg; 581 u16 *rss; 582 struct port_stats stats_base; 583 #ifdef CONFIG_CHELSIO_T4_DCB 584 struct port_dcb_info dcb; /* Data Center Bridging support */ 585 #endif 586 #ifdef CONFIG_CHELSIO_T4_FCOE 587 struct cxgb_fcoe fcoe; 588 #endif /* CONFIG_CHELSIO_T4_FCOE */ 589 bool rxtstamp; /* Enable TS */ 590 struct hwtstamp_config tstamp_config; 591 bool ptp_enable; 592 struct sched_table *sched_tbl; 593 u32 eth_flags; 594 }; 595 596 struct dentry; 597 struct work_struct; 598 599 enum { /* adapter flags */ 600 FULL_INIT_DONE = (1 << 0), 601 DEV_ENABLED = (1 << 1), 602 USING_MSI = (1 << 2), 603 USING_MSIX = (1 << 3), 604 FW_OK = (1 << 4), 605 RSS_TNLALLLOOKUP = (1 << 5), 606 USING_SOFT_PARAMS = (1 << 6), 607 MASTER_PF = (1 << 7), 608 FW_OFLD_CONN = (1 << 9), 609 ROOT_NO_RELAXED_ORDERING = (1 << 10), 610 SHUTTING_DOWN = (1 << 11), 611 }; 612 613 enum { 614 ULP_CRYPTO_LOOKASIDE = 1 << 0, 615 ULP_CRYPTO_IPSEC_INLINE = 1 << 1, 616 }; 617 618 struct rx_sw_desc; 619 620 struct sge_fl { /* SGE free-buffer queue state */ 621 unsigned int avail; /* # of available Rx buffers */ 622 unsigned int pend_cred; /* new buffers since last FL DB ring */ 623 unsigned int cidx; /* consumer index */ 624 unsigned int pidx; /* producer index */ 625 unsigned long alloc_failed; /* # of times buffer allocation failed */ 626 unsigned long large_alloc_failed; 627 unsigned long mapping_err; /* # of RX Buffer DMA Mapping failures */ 628 unsigned long low; /* # of times momentarily starving */ 629 unsigned long starving; 630 /* RO fields */ 631 unsigned int cntxt_id; /* SGE context id for the free list */ 632 unsigned int size; /* capacity of free list */ 633 struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */ 634 __be64 *desc; /* address of HW Rx descriptor ring */ 635 dma_addr_t addr; /* bus address of HW ring start */ 636 void __iomem *bar2_addr; /* address of BAR2 Queue registers */ 637 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ 638 }; 639 640 /* A packet gather list */ 641 struct pkt_gl { 642 u64 sgetstamp; /* SGE Time Stamp for Ingress Packet */ 643 struct page_frag frags[MAX_SKB_FRAGS]; 644 void *va; /* virtual address of first byte */ 645 unsigned int nfrags; /* # of fragments */ 646 unsigned int tot_len; /* total length of fragments */ 647 }; 648 649 typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp, 650 const struct pkt_gl *gl); 651 typedef void (*rspq_flush_handler_t)(struct sge_rspq *q); 652 /* LRO related declarations for ULD */ 653 struct t4_lro_mgr { 654 #define MAX_LRO_SESSIONS 64 655 u8 lro_session_cnt; /* # of sessions to aggregate */ 656 unsigned long lro_pkts; /* # of LRO super packets */ 657 unsigned long lro_merged; /* # of wire packets merged by LRO */ 658 struct sk_buff_head lroq; /* list of aggregated sessions */ 659 }; 660 661 struct sge_rspq { /* state for an SGE response queue */ 662 struct napi_struct napi; 663 const __be64 *cur_desc; /* current descriptor in queue */ 664 unsigned int cidx; /* consumer index */ 665 u8 gen; /* current generation bit */ 666 u8 intr_params; /* interrupt holdoff parameters */ 667 u8 next_intr_params; /* holdoff params for next interrupt */ 668 u8 adaptive_rx; 669 u8 pktcnt_idx; /* interrupt packet threshold */ 670 u8 uld; /* ULD handling this queue */ 671 u8 idx; /* queue index within its group */ 672 int offset; /* offset into current Rx buffer */ 673 u16 cntxt_id; /* SGE context id for the response q */ 674 u16 abs_id; /* absolute SGE id for the response q */ 675 __be64 *desc; /* address of HW response ring */ 676 dma_addr_t phys_addr; /* physical address of the ring */ 677 void __iomem *bar2_addr; /* address of BAR2 Queue registers */ 678 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ 679 unsigned int iqe_len; /* entry size */ 680 unsigned int size; /* capacity of response queue */ 681 struct adapter *adap; 682 struct net_device *netdev; /* associated net device */ 683 rspq_handler_t handler; 684 rspq_flush_handler_t flush_handler; 685 struct t4_lro_mgr lro_mgr; 686 }; 687 688 struct sge_eth_stats { /* Ethernet queue statistics */ 689 unsigned long pkts; /* # of ethernet packets */ 690 unsigned long lro_pkts; /* # of LRO super packets */ 691 unsigned long lro_merged; /* # of wire packets merged by LRO */ 692 unsigned long rx_cso; /* # of Rx checksum offloads */ 693 unsigned long vlan_ex; /* # of Rx VLAN extractions */ 694 unsigned long rx_drops; /* # of packets dropped due to no mem */ 695 unsigned long bad_rx_pkts; /* # of packets with err_vec!=0 */ 696 }; 697 698 struct sge_eth_rxq { /* SW Ethernet Rx queue */ 699 struct sge_rspq rspq; 700 struct sge_fl fl; 701 struct sge_eth_stats stats; 702 } ____cacheline_aligned_in_smp; 703 704 struct sge_ofld_stats { /* offload queue statistics */ 705 unsigned long pkts; /* # of packets */ 706 unsigned long imm; /* # of immediate-data packets */ 707 unsigned long an; /* # of asynchronous notifications */ 708 unsigned long nomem; /* # of responses deferred due to no mem */ 709 }; 710 711 struct sge_ofld_rxq { /* SW offload Rx queue */ 712 struct sge_rspq rspq; 713 struct sge_fl fl; 714 struct sge_ofld_stats stats; 715 } ____cacheline_aligned_in_smp; 716 717 struct tx_desc { 718 __be64 flit[8]; 719 }; 720 721 struct tx_sw_desc; 722 723 struct sge_txq { 724 unsigned int in_use; /* # of in-use Tx descriptors */ 725 unsigned int q_type; /* Q type Eth/Ctrl/Ofld */ 726 unsigned int size; /* # of descriptors */ 727 unsigned int cidx; /* SW consumer index */ 728 unsigned int pidx; /* producer index */ 729 unsigned long stops; /* # of times q has been stopped */ 730 unsigned long restarts; /* # of queue restarts */ 731 unsigned int cntxt_id; /* SGE context id for the Tx q */ 732 struct tx_desc *desc; /* address of HW Tx descriptor ring */ 733 struct tx_sw_desc *sdesc; /* address of SW Tx descriptor ring */ 734 struct sge_qstat *stat; /* queue status entry */ 735 dma_addr_t phys_addr; /* physical address of the ring */ 736 spinlock_t db_lock; 737 int db_disabled; 738 unsigned short db_pidx; 739 unsigned short db_pidx_inc; 740 void __iomem *bar2_addr; /* address of BAR2 Queue registers */ 741 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ 742 }; 743 744 struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */ 745 struct sge_txq q; 746 struct netdev_queue *txq; /* associated netdev TX queue */ 747 #ifdef CONFIG_CHELSIO_T4_DCB 748 u8 dcb_prio; /* DCB Priority bound to queue */ 749 #endif 750 unsigned long tso; /* # of TSO requests */ 751 unsigned long tx_cso; /* # of Tx checksum offloads */ 752 unsigned long vlan_ins; /* # of Tx VLAN insertions */ 753 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */ 754 } ____cacheline_aligned_in_smp; 755 756 struct sge_uld_txq { /* state for an SGE offload Tx queue */ 757 struct sge_txq q; 758 struct adapter *adap; 759 struct sk_buff_head sendq; /* list of backpressured packets */ 760 struct tasklet_struct qresume_tsk; /* restarts the queue */ 761 bool service_ofldq_running; /* service_ofldq() is processing sendq */ 762 u8 full; /* the Tx ring is full */ 763 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */ 764 } ____cacheline_aligned_in_smp; 765 766 struct sge_ctrl_txq { /* state for an SGE control Tx queue */ 767 struct sge_txq q; 768 struct adapter *adap; 769 struct sk_buff_head sendq; /* list of backpressured packets */ 770 struct tasklet_struct qresume_tsk; /* restarts the queue */ 771 u8 full; /* the Tx ring is full */ 772 } ____cacheline_aligned_in_smp; 773 774 struct sge_uld_rxq_info { 775 char name[IFNAMSIZ]; /* name of ULD driver */ 776 struct sge_ofld_rxq *uldrxq; /* Rxq's for ULD */ 777 u16 *msix_tbl; /* msix_tbl for uld */ 778 u16 *rspq_id; /* response queue id's of rxq */ 779 u16 nrxq; /* # of ingress uld queues */ 780 u16 nciq; /* # of completion queues */ 781 u8 uld; /* uld type */ 782 }; 783 784 struct sge_uld_txq_info { 785 struct sge_uld_txq *uldtxq; /* Txq's for ULD */ 786 atomic_t users; /* num users */ 787 u16 ntxq; /* # of egress uld queues */ 788 }; 789 790 struct sge { 791 struct sge_eth_txq ethtxq[MAX_ETH_QSETS]; 792 struct sge_eth_txq ptptxq; 793 struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES]; 794 795 struct sge_eth_rxq ethrxq[MAX_ETH_QSETS]; 796 struct sge_rspq fw_evtq ____cacheline_aligned_in_smp; 797 struct sge_uld_rxq_info **uld_rxq_info; 798 struct sge_uld_txq_info **uld_txq_info; 799 800 struct sge_rspq intrq ____cacheline_aligned_in_smp; 801 spinlock_t intrq_lock; 802 803 u16 max_ethqsets; /* # of available Ethernet queue sets */ 804 u16 ethqsets; /* # of active Ethernet queue sets */ 805 u16 ethtxq_rover; /* Tx queue to clean up next */ 806 u16 ofldqsets; /* # of active ofld queue sets */ 807 u16 nqs_per_uld; /* # of Rx queues per ULD */ 808 u16 timer_val[SGE_NTIMERS]; 809 u8 counter_val[SGE_NCOUNTERS]; 810 u32 fl_pg_order; /* large page allocation size */ 811 u32 stat_len; /* length of status page at ring end */ 812 u32 pktshift; /* padding between CPL & packet data */ 813 u32 fl_align; /* response queue message alignment */ 814 u32 fl_starve_thres; /* Free List starvation threshold */ 815 816 struct sge_idma_monitor_state idma_monitor; 817 unsigned int egr_start; 818 unsigned int egr_sz; 819 unsigned int ingr_start; 820 unsigned int ingr_sz; 821 void **egr_map; /* qid->queue egress queue map */ 822 struct sge_rspq **ingr_map; /* qid->queue ingress queue map */ 823 unsigned long *starving_fl; 824 unsigned long *txq_maperr; 825 unsigned long *blocked_fl; 826 struct timer_list rx_timer; /* refills starving FLs */ 827 struct timer_list tx_timer; /* checks Tx queues */ 828 }; 829 830 #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++) 831 #define for_each_ofldtxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++) 832 833 struct l2t_data; 834 835 #ifdef CONFIG_PCI_IOV 836 837 /* T4 supports SRIOV on PF0-3 and T5 on PF0-7. However, the Serial 838 * Configuration initialization for T5 only has SR-IOV functionality enabled 839 * on PF0-3 in order to simplify everything. 840 */ 841 #define NUM_OF_PF_WITH_SRIOV 4 842 843 #endif 844 845 struct doorbell_stats { 846 u32 db_drop; 847 u32 db_empty; 848 u32 db_full; 849 }; 850 851 struct hash_mac_addr { 852 struct list_head list; 853 u8 addr[ETH_ALEN]; 854 }; 855 856 struct uld_msix_bmap { 857 unsigned long *msix_bmap; 858 unsigned int mapsize; 859 spinlock_t lock; /* lock for acquiring bitmap */ 860 }; 861 862 struct uld_msix_info { 863 unsigned short vec; 864 char desc[IFNAMSIZ + 10]; 865 unsigned int idx; 866 }; 867 868 struct vf_info { 869 unsigned char vf_mac_addr[ETH_ALEN]; 870 unsigned int tx_rate; 871 bool pf_set_mac; 872 u16 vlan; 873 }; 874 875 enum { 876 HMA_DMA_MAPPED_FLAG = 1 877 }; 878 879 struct hma_data { 880 unsigned char flags; 881 struct sg_table *sgt; 882 dma_addr_t *phy_addr; /* physical address of the page */ 883 }; 884 885 struct mbox_list { 886 struct list_head list; 887 }; 888 889 struct mps_encap_entry { 890 atomic_t refcnt; 891 }; 892 893 struct adapter { 894 void __iomem *regs; 895 void __iomem *bar2; 896 u32 t4_bar0; 897 struct pci_dev *pdev; 898 struct device *pdev_dev; 899 const char *name; 900 unsigned int mbox; 901 unsigned int pf; 902 unsigned int flags; 903 unsigned int adap_idx; 904 enum chip_type chip; 905 u32 eth_flags; 906 907 int msg_enable; 908 __be16 vxlan_port; 909 u8 vxlan_port_cnt; 910 __be16 geneve_port; 911 u8 geneve_port_cnt; 912 913 struct adapter_params params; 914 struct cxgb4_virt_res vres; 915 unsigned int swintr; 916 917 struct { 918 unsigned short vec; 919 char desc[IFNAMSIZ + 10]; 920 } msix_info[MAX_INGQ + 1]; 921 struct uld_msix_info *msix_info_ulds; /* msix info for uld's */ 922 struct uld_msix_bmap msix_bmap_ulds; /* msix bitmap for all uld */ 923 int msi_idx; 924 925 struct doorbell_stats db_stats; 926 struct sge sge; 927 928 struct net_device *port[MAX_NPORTS]; 929 u8 chan_map[NCHAN]; /* channel -> port map */ 930 931 struct vf_info *vfinfo; 932 u8 num_vfs; 933 934 u32 filter_mode; 935 unsigned int l2t_start; 936 unsigned int l2t_end; 937 struct l2t_data *l2t; 938 unsigned int clipt_start; 939 unsigned int clipt_end; 940 struct clip_tbl *clipt; 941 unsigned int rawf_start; 942 unsigned int rawf_cnt; 943 struct smt_data *smt; 944 struct mps_encap_entry *mps_encap; 945 struct cxgb4_uld_info *uld; 946 void *uld_handle[CXGB4_ULD_MAX]; 947 unsigned int num_uld; 948 unsigned int num_ofld_uld; 949 struct list_head list_node; 950 struct list_head rcu_node; 951 struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */ 952 953 void *iscsi_ppm; 954 955 struct tid_info tids; 956 void **tid_release_head; 957 spinlock_t tid_release_lock; 958 struct workqueue_struct *workq; 959 struct work_struct tid_release_task; 960 struct work_struct db_full_task; 961 struct work_struct db_drop_task; 962 struct work_struct fatal_err_notify_task; 963 bool tid_release_task_busy; 964 965 /* lock for mailbox cmd list */ 966 spinlock_t mbox_lock; 967 struct mbox_list mlist; 968 969 /* support for mailbox command/reply logging */ 970 #define T4_OS_LOG_MBOX_CMDS 256 971 struct mbox_cmd_log *mbox_log; 972 973 struct mutex uld_mutex; 974 975 struct dentry *debugfs_root; 976 bool use_bd; /* Use SGE Back Door intfc for reading SGE Contexts */ 977 bool trace_rss; /* 1 implies that different RSS flit per filter is 978 * used per filter else if 0 default RSS flit is 979 * used for all 4 filters. 980 */ 981 982 struct ptp_clock *ptp_clock; 983 struct ptp_clock_info ptp_clock_info; 984 struct sk_buff *ptp_tx_skb; 985 /* ptp lock */ 986 spinlock_t ptp_lock; 987 spinlock_t stats_lock; 988 spinlock_t win0_lock ____cacheline_aligned_in_smp; 989 990 /* TC u32 offload */ 991 struct cxgb4_tc_u32_table *tc_u32; 992 struct chcr_stats_debug chcr_stats; 993 994 /* TC flower offload */ 995 bool tc_flower_initialized; 996 struct rhashtable flower_tbl; 997 struct rhashtable_params flower_ht_params; 998 struct timer_list flower_stats_timer; 999 struct work_struct flower_stats_work; 1000 1001 /* Ethtool Dump */ 1002 struct ethtool_dump eth_dump; 1003 1004 /* HMA */ 1005 struct hma_data hma; 1006 1007 struct srq_data *srq; 1008 1009 /* Dump buffer for collecting logs in kdump kernel */ 1010 struct vmcoredd_data vmcoredd; 1011 }; 1012 1013 /* Support for "sched-class" command to allow a TX Scheduling Class to be 1014 * programmed with various parameters. 1015 */ 1016 struct ch_sched_params { 1017 s8 type; /* packet or flow */ 1018 union { 1019 struct { 1020 s8 level; /* scheduler hierarchy level */ 1021 s8 mode; /* per-class or per-flow */ 1022 s8 rateunit; /* bit or packet rate */ 1023 s8 ratemode; /* %port relative or kbps absolute */ 1024 s8 channel; /* scheduler channel [0..N] */ 1025 s8 class; /* scheduler class [0..N] */ 1026 s32 minrate; /* minimum rate */ 1027 s32 maxrate; /* maximum rate */ 1028 s16 weight; /* percent weight */ 1029 s16 pktsize; /* average packet size */ 1030 } params; 1031 } u; 1032 }; 1033 1034 enum { 1035 SCHED_CLASS_TYPE_PACKET = 0, /* class type */ 1036 }; 1037 1038 enum { 1039 SCHED_CLASS_LEVEL_CL_RL = 0, /* class rate limiter */ 1040 }; 1041 1042 enum { 1043 SCHED_CLASS_MODE_CLASS = 0, /* per-class scheduling */ 1044 }; 1045 1046 enum { 1047 SCHED_CLASS_RATEUNIT_BITS = 0, /* bit rate scheduling */ 1048 }; 1049 1050 enum { 1051 SCHED_CLASS_RATEMODE_ABS = 1, /* Kb/s */ 1052 }; 1053 1054 struct tx_sw_desc { /* SW state per Tx descriptor */ 1055 struct sk_buff *skb; 1056 struct ulptx_sgl *sgl; 1057 }; 1058 1059 /* Support for "sched_queue" command to allow one or more NIC TX Queues 1060 * to be bound to a TX Scheduling Class. 1061 */ 1062 struct ch_sched_queue { 1063 s8 queue; /* queue index */ 1064 s8 class; /* class index */ 1065 }; 1066 1067 /* Defined bit width of user definable filter tuples 1068 */ 1069 #define ETHTYPE_BITWIDTH 16 1070 #define FRAG_BITWIDTH 1 1071 #define MACIDX_BITWIDTH 9 1072 #define FCOE_BITWIDTH 1 1073 #define IPORT_BITWIDTH 3 1074 #define MATCHTYPE_BITWIDTH 3 1075 #define PROTO_BITWIDTH 8 1076 #define TOS_BITWIDTH 8 1077 #define PF_BITWIDTH 8 1078 #define VF_BITWIDTH 8 1079 #define IVLAN_BITWIDTH 16 1080 #define OVLAN_BITWIDTH 16 1081 #define ENCAP_VNI_BITWIDTH 24 1082 1083 /* Filter matching rules. These consist of a set of ingress packet field 1084 * (value, mask) tuples. The associated ingress packet field matches the 1085 * tuple when ((field & mask) == value). (Thus a wildcard "don't care" field 1086 * rule can be constructed by specifying a tuple of (0, 0).) A filter rule 1087 * matches an ingress packet when all of the individual individual field 1088 * matching rules are true. 1089 * 1090 * Partial field masks are always valid, however, while it may be easy to 1091 * understand their meanings for some fields (e.g. IP address to match a 1092 * subnet), for others making sensible partial masks is less intuitive (e.g. 1093 * MPS match type) ... 1094 * 1095 * Most of the following data structures are modeled on T4 capabilities. 1096 * Drivers for earlier chips use the subsets which make sense for those chips. 1097 * We really need to come up with a hardware-independent mechanism to 1098 * represent hardware filter capabilities ... 1099 */ 1100 struct ch_filter_tuple { 1101 /* Compressed header matching field rules. The TP_VLAN_PRI_MAP 1102 * register selects which of these fields will participate in the 1103 * filter match rules -- up to a maximum of 36 bits. Because 1104 * TP_VLAN_PRI_MAP is a global register, all filters must use the same 1105 * set of fields. 1106 */ 1107 uint32_t ethtype:ETHTYPE_BITWIDTH; /* Ethernet type */ 1108 uint32_t frag:FRAG_BITWIDTH; /* IP fragmentation header */ 1109 uint32_t ivlan_vld:1; /* inner VLAN valid */ 1110 uint32_t ovlan_vld:1; /* outer VLAN valid */ 1111 uint32_t pfvf_vld:1; /* PF/VF valid */ 1112 uint32_t encap_vld:1; /* Encapsulation valid */ 1113 uint32_t macidx:MACIDX_BITWIDTH; /* exact match MAC index */ 1114 uint32_t fcoe:FCOE_BITWIDTH; /* FCoE packet */ 1115 uint32_t iport:IPORT_BITWIDTH; /* ingress port */ 1116 uint32_t matchtype:MATCHTYPE_BITWIDTH; /* MPS match type */ 1117 uint32_t proto:PROTO_BITWIDTH; /* protocol type */ 1118 uint32_t tos:TOS_BITWIDTH; /* TOS/Traffic Type */ 1119 uint32_t pf:PF_BITWIDTH; /* PCI-E PF ID */ 1120 uint32_t vf:VF_BITWIDTH; /* PCI-E VF ID */ 1121 uint32_t ivlan:IVLAN_BITWIDTH; /* inner VLAN */ 1122 uint32_t ovlan:OVLAN_BITWIDTH; /* outer VLAN */ 1123 uint32_t vni:ENCAP_VNI_BITWIDTH; /* VNI of tunnel */ 1124 1125 /* Uncompressed header matching field rules. These are always 1126 * available for field rules. 1127 */ 1128 uint8_t lip[16]; /* local IP address (IPv4 in [3:0]) */ 1129 uint8_t fip[16]; /* foreign IP address (IPv4 in [3:0]) */ 1130 uint16_t lport; /* local port */ 1131 uint16_t fport; /* foreign port */ 1132 }; 1133 1134 /* A filter ioctl command. 1135 */ 1136 struct ch_filter_specification { 1137 /* Administrative fields for filter. 1138 */ 1139 uint32_t hitcnts:1; /* count filter hits in TCB */ 1140 uint32_t prio:1; /* filter has priority over active/server */ 1141 1142 /* Fundamental filter typing. This is the one element of filter 1143 * matching that doesn't exist as a (value, mask) tuple. 1144 */ 1145 uint32_t type:1; /* 0 => IPv4, 1 => IPv6 */ 1146 u32 hash:1; /* 0 => wild-card, 1 => exact-match */ 1147 1148 /* Packet dispatch information. Ingress packets which match the 1149 * filter rules will be dropped, passed to the host or switched back 1150 * out as egress packets. 1151 */ 1152 uint32_t action:2; /* drop, pass, switch */ 1153 1154 uint32_t rpttid:1; /* report TID in RSS hash field */ 1155 1156 uint32_t dirsteer:1; /* 0 => RSS, 1 => steer to iq */ 1157 uint32_t iq:10; /* ingress queue */ 1158 1159 uint32_t maskhash:1; /* dirsteer=0: store RSS hash in TCB */ 1160 uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */ 1161 /* 1 => TCB contains IQ ID */ 1162 1163 /* Switch proxy/rewrite fields. An ingress packet which matches a 1164 * filter with "switch" set will be looped back out as an egress 1165 * packet -- potentially with some Ethernet header rewriting. 1166 */ 1167 uint32_t eport:2; /* egress port to switch packet out */ 1168 uint32_t newdmac:1; /* rewrite destination MAC address */ 1169 uint32_t newsmac:1; /* rewrite source MAC address */ 1170 uint32_t newvlan:2; /* rewrite VLAN Tag */ 1171 uint32_t nat_mode:3; /* specify NAT operation mode */ 1172 uint8_t dmac[ETH_ALEN]; /* new destination MAC address */ 1173 uint8_t smac[ETH_ALEN]; /* new source MAC address */ 1174 uint16_t vlan; /* VLAN Tag to insert */ 1175 1176 u8 nat_lip[16]; /* local IP to use after NAT'ing */ 1177 u8 nat_fip[16]; /* foreign IP to use after NAT'ing */ 1178 u16 nat_lport; /* local port to use after NAT'ing */ 1179 u16 nat_fport; /* foreign port to use after NAT'ing */ 1180 1181 /* reservation for future additions */ 1182 u8 rsvd[24]; 1183 1184 /* Filter rule value/mask pairs. 1185 */ 1186 struct ch_filter_tuple val; 1187 struct ch_filter_tuple mask; 1188 }; 1189 1190 enum { 1191 FILTER_PASS = 0, /* default */ 1192 FILTER_DROP, 1193 FILTER_SWITCH 1194 }; 1195 1196 enum { 1197 VLAN_NOCHANGE = 0, /* default */ 1198 VLAN_REMOVE, 1199 VLAN_INSERT, 1200 VLAN_REWRITE 1201 }; 1202 1203 enum { 1204 NAT_MODE_NONE = 0, /* No NAT performed */ 1205 NAT_MODE_DIP, /* NAT on Dst IP */ 1206 NAT_MODE_DIP_DP, /* NAT on Dst IP, Dst Port */ 1207 NAT_MODE_DIP_DP_SIP, /* NAT on Dst IP, Dst Port and Src IP */ 1208 NAT_MODE_DIP_DP_SP, /* NAT on Dst IP, Dst Port and Src Port */ 1209 NAT_MODE_SIP_SP, /* NAT on Src IP and Src Port */ 1210 NAT_MODE_DIP_SIP_SP, /* NAT on Dst IP, Src IP and Src Port */ 1211 NAT_MODE_ALL /* NAT on entire 4-tuple */ 1212 }; 1213 1214 /* Host shadow copy of ingress filter entry. This is in host native format 1215 * and doesn't match the ordering or bit order, etc. of the hardware of the 1216 * firmware command. The use of bit-field structure elements is purely to 1217 * remind ourselves of the field size limitations and save memory in the case 1218 * where the filter table is large. 1219 */ 1220 struct filter_entry { 1221 /* Administrative fields for filter. */ 1222 u32 valid:1; /* filter allocated and valid */ 1223 u32 locked:1; /* filter is administratively locked */ 1224 1225 u32 pending:1; /* filter action is pending firmware reply */ 1226 struct filter_ctx *ctx; /* Caller's completion hook */ 1227 struct l2t_entry *l2t; /* Layer Two Table entry for dmac */ 1228 struct smt_entry *smt; /* Source Mac Table entry for smac */ 1229 struct net_device *dev; /* Associated net device */ 1230 u32 tid; /* This will store the actual tid */ 1231 1232 /* The filter itself. Most of this is a straight copy of information 1233 * provided by the extended ioctl(). Some fields are translated to 1234 * internal forms -- for instance the Ingress Queue ID passed in from 1235 * the ioctl() is translated into the Absolute Ingress Queue ID. 1236 */ 1237 struct ch_filter_specification fs; 1238 }; 1239 1240 static inline int is_offload(const struct adapter *adap) 1241 { 1242 return adap->params.offload; 1243 } 1244 1245 static inline int is_hashfilter(const struct adapter *adap) 1246 { 1247 return adap->params.hash_filter; 1248 } 1249 1250 static inline int is_pci_uld(const struct adapter *adap) 1251 { 1252 return adap->params.crypto; 1253 } 1254 1255 static inline int is_uld(const struct adapter *adap) 1256 { 1257 return (adap->params.offload || adap->params.crypto); 1258 } 1259 1260 static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr) 1261 { 1262 return readl(adap->regs + reg_addr); 1263 } 1264 1265 static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val) 1266 { 1267 writel(val, adap->regs + reg_addr); 1268 } 1269 1270 #ifndef readq 1271 static inline u64 readq(const volatile void __iomem *addr) 1272 { 1273 return readl(addr) + ((u64)readl(addr + 4) << 32); 1274 } 1275 1276 static inline void writeq(u64 val, volatile void __iomem *addr) 1277 { 1278 writel(val, addr); 1279 writel(val >> 32, addr + 4); 1280 } 1281 #endif 1282 1283 static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr) 1284 { 1285 return readq(adap->regs + reg_addr); 1286 } 1287 1288 static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val) 1289 { 1290 writeq(val, adap->regs + reg_addr); 1291 } 1292 1293 /** 1294 * t4_set_hw_addr - store a port's MAC address in SW 1295 * @adapter: the adapter 1296 * @port_idx: the port index 1297 * @hw_addr: the Ethernet address 1298 * 1299 * Store the Ethernet address of the given port in SW. Called by the common 1300 * code when it retrieves a port's Ethernet address from EEPROM. 1301 */ 1302 static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx, 1303 u8 hw_addr[]) 1304 { 1305 ether_addr_copy(adapter->port[port_idx]->dev_addr, hw_addr); 1306 ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr); 1307 } 1308 1309 /** 1310 * netdev2pinfo - return the port_info structure associated with a net_device 1311 * @dev: the netdev 1312 * 1313 * Return the struct port_info associated with a net_device 1314 */ 1315 static inline struct port_info *netdev2pinfo(const struct net_device *dev) 1316 { 1317 return netdev_priv(dev); 1318 } 1319 1320 /** 1321 * adap2pinfo - return the port_info of a port 1322 * @adap: the adapter 1323 * @idx: the port index 1324 * 1325 * Return the port_info structure for the port of the given index. 1326 */ 1327 static inline struct port_info *adap2pinfo(struct adapter *adap, int idx) 1328 { 1329 return netdev_priv(adap->port[idx]); 1330 } 1331 1332 /** 1333 * netdev2adap - return the adapter structure associated with a net_device 1334 * @dev: the netdev 1335 * 1336 * Return the struct adapter associated with a net_device 1337 */ 1338 static inline struct adapter *netdev2adap(const struct net_device *dev) 1339 { 1340 return netdev2pinfo(dev)->adapter; 1341 } 1342 1343 /* Return a version number to identify the type of adapter. The scheme is: 1344 * - bits 0..9: chip version 1345 * - bits 10..15: chip revision 1346 * - bits 16..23: register dump version 1347 */ 1348 static inline unsigned int mk_adap_vers(struct adapter *ap) 1349 { 1350 return CHELSIO_CHIP_VERSION(ap->params.chip) | 1351 (CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16); 1352 } 1353 1354 /* Return a queue's interrupt hold-off time in us. 0 means no timer. */ 1355 static inline unsigned int qtimer_val(const struct adapter *adap, 1356 const struct sge_rspq *q) 1357 { 1358 unsigned int idx = q->intr_params >> 1; 1359 1360 return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0; 1361 } 1362 1363 /* driver version & name used for ethtool_drvinfo */ 1364 extern char cxgb4_driver_name[]; 1365 extern const char cxgb4_driver_version[]; 1366 1367 void t4_os_portmod_changed(struct adapter *adap, int port_id); 1368 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat); 1369 1370 void t4_free_sge_resources(struct adapter *adap); 1371 void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q); 1372 irq_handler_t t4_intr_handler(struct adapter *adap); 1373 netdev_tx_t t4_start_xmit(struct sk_buff *skb, struct net_device *dev); 1374 int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp, 1375 const struct pkt_gl *gl); 1376 int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb); 1377 int t4_ofld_send(struct adapter *adap, struct sk_buff *skb); 1378 int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq, 1379 struct net_device *dev, int intr_idx, 1380 struct sge_fl *fl, rspq_handler_t hnd, 1381 rspq_flush_handler_t flush_handler, int cong); 1382 int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq, 1383 struct net_device *dev, struct netdev_queue *netdevq, 1384 unsigned int iqid); 1385 int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq, 1386 struct net_device *dev, unsigned int iqid, 1387 unsigned int cmplqid); 1388 int t4_sge_mod_ctrl_txq(struct adapter *adap, unsigned int eqid, 1389 unsigned int cmplqid); 1390 int t4_sge_alloc_uld_txq(struct adapter *adap, struct sge_uld_txq *txq, 1391 struct net_device *dev, unsigned int iqid, 1392 unsigned int uld_type); 1393 irqreturn_t t4_sge_intr_msix(int irq, void *cookie); 1394 int t4_sge_init(struct adapter *adap); 1395 void t4_sge_start(struct adapter *adap); 1396 void t4_sge_stop(struct adapter *adap); 1397 void cxgb4_set_ethtool_ops(struct net_device *netdev); 1398 int cxgb4_write_rss(const struct port_info *pi, const u16 *queues); 1399 enum cpl_tx_tnl_lso_type cxgb_encap_offload_supported(struct sk_buff *skb); 1400 extern int dbfifo_int_thresh; 1401 1402 #define for_each_port(adapter, iter) \ 1403 for (iter = 0; iter < (adapter)->params.nports; ++iter) 1404 1405 static inline int is_bypass(struct adapter *adap) 1406 { 1407 return adap->params.bypass; 1408 } 1409 1410 static inline int is_bypass_device(int device) 1411 { 1412 /* this should be set based upon device capabilities */ 1413 switch (device) { 1414 case 0x440b: 1415 case 0x440c: 1416 return 1; 1417 default: 1418 return 0; 1419 } 1420 } 1421 1422 static inline int is_10gbt_device(int device) 1423 { 1424 /* this should be set based upon device capabilities */ 1425 switch (device) { 1426 case 0x4409: 1427 case 0x4486: 1428 return 1; 1429 1430 default: 1431 return 0; 1432 } 1433 } 1434 1435 static inline unsigned int core_ticks_per_usec(const struct adapter *adap) 1436 { 1437 return adap->params.vpd.cclk / 1000; 1438 } 1439 1440 static inline unsigned int us_to_core_ticks(const struct adapter *adap, 1441 unsigned int us) 1442 { 1443 return (us * adap->params.vpd.cclk) / 1000; 1444 } 1445 1446 static inline unsigned int core_ticks_to_us(const struct adapter *adapter, 1447 unsigned int ticks) 1448 { 1449 /* add Core Clock / 2 to round ticks to nearest uS */ 1450 return ((ticks * 1000 + adapter->params.vpd.cclk/2) / 1451 adapter->params.vpd.cclk); 1452 } 1453 1454 static inline unsigned int dack_ticks_to_usec(const struct adapter *adap, 1455 unsigned int ticks) 1456 { 1457 return (ticks << adap->params.tp.dack_re) / core_ticks_per_usec(adap); 1458 } 1459 1460 void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask, 1461 u32 val); 1462 1463 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd, 1464 int size, void *rpl, bool sleep_ok, int timeout); 1465 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size, 1466 void *rpl, bool sleep_ok); 1467 1468 static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox, 1469 const void *cmd, int size, void *rpl, 1470 int timeout) 1471 { 1472 return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true, 1473 timeout); 1474 } 1475 1476 static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd, 1477 int size, void *rpl) 1478 { 1479 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true); 1480 } 1481 1482 static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd, 1483 int size, void *rpl) 1484 { 1485 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false); 1486 } 1487 1488 /** 1489 * hash_mac_addr - return the hash value of a MAC address 1490 * @addr: the 48-bit Ethernet MAC address 1491 * 1492 * Hashes a MAC address according to the hash function used by HW inexact 1493 * (hash) address matching. 1494 */ 1495 static inline int hash_mac_addr(const u8 *addr) 1496 { 1497 u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2]; 1498 u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5]; 1499 1500 a ^= b; 1501 a ^= (a >> 12); 1502 a ^= (a >> 6); 1503 return a & 0x3f; 1504 } 1505 1506 int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us, 1507 unsigned int cnt); 1508 static inline void init_rspq(struct adapter *adap, struct sge_rspq *q, 1509 unsigned int us, unsigned int cnt, 1510 unsigned int size, unsigned int iqe_size) 1511 { 1512 q->adap = adap; 1513 cxgb4_set_rspq_intr_params(q, us, cnt); 1514 q->iqe_len = iqe_size; 1515 q->size = size; 1516 } 1517 1518 /** 1519 * t4_is_inserted_mod_type - is a plugged in Firmware Module Type 1520 * @fw_mod_type: the Firmware Mofule Type 1521 * 1522 * Return whether the Firmware Module Type represents a real Transceiver 1523 * Module/Cable Module Type which has been inserted. 1524 */ 1525 static inline bool t4_is_inserted_mod_type(unsigned int fw_mod_type) 1526 { 1527 return (fw_mod_type != FW_PORT_MOD_TYPE_NONE && 1528 fw_mod_type != FW_PORT_MOD_TYPE_NOTSUPPORTED && 1529 fw_mod_type != FW_PORT_MOD_TYPE_UNKNOWN && 1530 fw_mod_type != FW_PORT_MOD_TYPE_ERROR); 1531 } 1532 1533 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg, 1534 unsigned int data_reg, const u32 *vals, 1535 unsigned int nregs, unsigned int start_idx); 1536 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg, 1537 unsigned int data_reg, u32 *vals, unsigned int nregs, 1538 unsigned int start_idx); 1539 void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val); 1540 1541 struct fw_filter_wr; 1542 1543 void t4_intr_enable(struct adapter *adapter); 1544 void t4_intr_disable(struct adapter *adapter); 1545 int t4_slow_intr_handler(struct adapter *adapter); 1546 1547 int t4_wait_dev_ready(void __iomem *regs); 1548 1549 int t4_link_l1cfg_core(struct adapter *adap, unsigned int mbox, 1550 unsigned int port, struct link_config *lc, 1551 bool sleep_ok, int timeout); 1552 1553 static inline int t4_link_l1cfg(struct adapter *adapter, unsigned int mbox, 1554 unsigned int port, struct link_config *lc) 1555 { 1556 return t4_link_l1cfg_core(adapter, mbox, port, lc, 1557 true, FW_CMD_MAX_TIMEOUT); 1558 } 1559 1560 static inline int t4_link_l1cfg_ns(struct adapter *adapter, unsigned int mbox, 1561 unsigned int port, struct link_config *lc) 1562 { 1563 return t4_link_l1cfg_core(adapter, mbox, port, lc, 1564 false, FW_CMD_MAX_TIMEOUT); 1565 } 1566 1567 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port); 1568 1569 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg); 1570 u32 t4_get_util_window(struct adapter *adap); 1571 void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window); 1572 1573 int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off, 1574 u32 *mem_base, u32 *mem_aperture); 1575 void t4_memory_update_win(struct adapter *adap, int win, u32 addr); 1576 void t4_memory_rw_residual(struct adapter *adap, u32 off, u32 addr, u8 *buf, 1577 int dir); 1578 #define T4_MEMORY_WRITE 0 1579 #define T4_MEMORY_READ 1 1580 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len, 1581 void *buf, int dir); 1582 static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr, 1583 u32 len, __be32 *buf) 1584 { 1585 return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0); 1586 } 1587 1588 unsigned int t4_get_regs_len(struct adapter *adapter); 1589 void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size); 1590 1591 int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz); 1592 int t4_seeprom_wp(struct adapter *adapter, bool enable); 1593 int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p); 1594 int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p); 1595 int t4_get_pfres(struct adapter *adapter); 1596 int t4_read_flash(struct adapter *adapter, unsigned int addr, 1597 unsigned int nwords, u32 *data, int byte_oriented); 1598 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size); 1599 int t4_load_phy_fw(struct adapter *adap, 1600 int win, spinlock_t *lock, 1601 int (*phy_fw_version)(const u8 *, size_t), 1602 const u8 *phy_fw_data, size_t phy_fw_size); 1603 int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver); 1604 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op); 1605 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox, 1606 const u8 *fw_data, unsigned int size, int force); 1607 int t4_fl_pkt_align(struct adapter *adap); 1608 unsigned int t4_flash_cfg_addr(struct adapter *adapter); 1609 int t4_check_fw_version(struct adapter *adap); 1610 int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size); 1611 int t4_get_fw_version(struct adapter *adapter, u32 *vers); 1612 int t4_get_bs_version(struct adapter *adapter, u32 *vers); 1613 int t4_get_tp_version(struct adapter *adapter, u32 *vers); 1614 int t4_get_exprom_version(struct adapter *adapter, u32 *vers); 1615 int t4_get_scfg_version(struct adapter *adapter, u32 *vers); 1616 int t4_get_vpd_version(struct adapter *adapter, u32 *vers); 1617 int t4_get_version_info(struct adapter *adapter); 1618 void t4_dump_version_info(struct adapter *adapter); 1619 int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info, 1620 const u8 *fw_data, unsigned int fw_size, 1621 struct fw_hdr *card_fw, enum dev_state state, int *reset); 1622 int t4_prep_adapter(struct adapter *adapter); 1623 int t4_shutdown_adapter(struct adapter *adapter); 1624 1625 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS }; 1626 int t4_bar2_sge_qregs(struct adapter *adapter, 1627 unsigned int qid, 1628 enum t4_bar2_qtype qtype, 1629 int user, 1630 u64 *pbar2_qoffset, 1631 unsigned int *pbar2_qid); 1632 1633 unsigned int qtimer_val(const struct adapter *adap, 1634 const struct sge_rspq *q); 1635 1636 int t4_init_devlog_params(struct adapter *adapter); 1637 int t4_init_sge_params(struct adapter *adapter); 1638 int t4_init_tp_params(struct adapter *adap, bool sleep_ok); 1639 int t4_filter_field_shift(const struct adapter *adap, int filter_sel); 1640 int t4_init_rss_mode(struct adapter *adap, int mbox); 1641 int t4_init_portinfo(struct port_info *pi, int mbox, 1642 int port, int pf, int vf, u8 mac[]); 1643 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf); 1644 void t4_fatal_err(struct adapter *adapter); 1645 unsigned int t4_chip_rss_size(struct adapter *adapter); 1646 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, 1647 int start, int n, const u16 *rspq, unsigned int nrspq); 1648 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode, 1649 unsigned int flags); 1650 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid, 1651 unsigned int flags, unsigned int defq); 1652 int t4_read_rss(struct adapter *adapter, u16 *entries); 1653 void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok); 1654 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx, 1655 bool sleep_ok); 1656 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index, 1657 u32 *valp, bool sleep_ok); 1658 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index, 1659 u32 *vfl, u32 *vfh, bool sleep_ok); 1660 u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok); 1661 u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok); 1662 1663 unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx); 1664 unsigned int t4_get_tp_ch_map(struct adapter *adapter, int pidx); 1665 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]); 1666 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]); 1667 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data, 1668 size_t n); 1669 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data, 1670 size_t n); 1671 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n, 1672 unsigned int *valp); 1673 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n, 1674 const unsigned int *valp); 1675 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr); 1676 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp, 1677 unsigned int *pif_req_wrptr, 1678 unsigned int *pif_rsp_wrptr); 1679 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp); 1680 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres); 1681 const char *t4_get_port_type_description(enum fw_port_type port_type); 1682 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p); 1683 void t4_get_port_stats_offset(struct adapter *adap, int idx, 1684 struct port_stats *stats, 1685 struct port_stats *offset); 1686 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p); 1687 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log); 1688 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]); 1689 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr, 1690 unsigned int mask, unsigned int val); 1691 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr); 1692 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st, 1693 bool sleep_ok); 1694 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st, 1695 bool sleep_ok); 1696 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st, 1697 bool sleep_ok); 1698 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st, 1699 bool sleep_ok); 1700 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4, 1701 struct tp_tcp_stats *v6, bool sleep_ok); 1702 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx, 1703 struct tp_fcoe_stats *st, bool sleep_ok); 1704 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus, 1705 const unsigned short *alpha, const unsigned short *beta); 1706 1707 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf); 1708 1709 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate); 1710 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid); 1711 1712 void t4_wol_magic_enable(struct adapter *adap, unsigned int port, 1713 const u8 *addr); 1714 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map, 1715 u64 mask0, u64 mask1, unsigned int crc, bool enable); 1716 1717 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox, 1718 enum dev_master master, enum dev_state *state); 1719 int t4_fw_bye(struct adapter *adap, unsigned int mbox); 1720 int t4_early_init(struct adapter *adap, unsigned int mbox); 1721 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset); 1722 int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, 1723 unsigned int cache_line_size); 1724 int t4_fw_initialize(struct adapter *adap, unsigned int mbox); 1725 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf, 1726 unsigned int vf, unsigned int nparams, const u32 *params, 1727 u32 *val); 1728 int t4_query_params_ns(struct adapter *adap, unsigned int mbox, unsigned int pf, 1729 unsigned int vf, unsigned int nparams, const u32 *params, 1730 u32 *val); 1731 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf, 1732 unsigned int vf, unsigned int nparams, const u32 *params, 1733 u32 *val, int rw, bool sleep_ok); 1734 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox, 1735 unsigned int pf, unsigned int vf, 1736 unsigned int nparams, const u32 *params, 1737 const u32 *val, int timeout); 1738 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf, 1739 unsigned int vf, unsigned int nparams, const u32 *params, 1740 const u32 *val); 1741 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf, 1742 unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl, 1743 unsigned int rxqi, unsigned int rxq, unsigned int tc, 1744 unsigned int vi, unsigned int cmask, unsigned int pmask, 1745 unsigned int nexact, unsigned int rcaps, unsigned int wxcaps); 1746 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port, 1747 unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac, 1748 unsigned int *rss_size); 1749 int t4_free_vi(struct adapter *adap, unsigned int mbox, 1750 unsigned int pf, unsigned int vf, 1751 unsigned int viid); 1752 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid, 1753 int mtu, int promisc, int all_multi, int bcast, int vlanex, 1754 bool sleep_ok); 1755 int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid, 1756 const u8 *addr, const u8 *mask, unsigned int idx, 1757 u8 lookup_type, u8 port_id, bool sleep_ok); 1758 int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid, int idx, 1759 bool sleep_ok); 1760 int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid, 1761 const u8 *addr, const u8 *mask, unsigned int vni, 1762 unsigned int vni_mask, u8 dip_hit, u8 lookup_type, 1763 bool sleep_ok); 1764 int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid, 1765 const u8 *addr, const u8 *mask, unsigned int idx, 1766 u8 lookup_type, u8 port_id, bool sleep_ok); 1767 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox, 1768 unsigned int viid, bool free, unsigned int naddr, 1769 const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok); 1770 int t4_free_mac_filt(struct adapter *adap, unsigned int mbox, 1771 unsigned int viid, unsigned int naddr, 1772 const u8 **addr, bool sleep_ok); 1773 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid, 1774 int idx, const u8 *addr, bool persist, bool add_smt); 1775 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid, 1776 bool ucast, u64 vec, bool sleep_ok); 1777 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox, 1778 unsigned int viid, bool rx_en, bool tx_en, bool dcb_en); 1779 int t4_enable_pi_params(struct adapter *adap, unsigned int mbox, 1780 struct port_info *pi, 1781 bool rx_en, bool tx_en, bool dcb_en); 1782 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid, 1783 bool rx_en, bool tx_en); 1784 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, 1785 unsigned int nblinks); 1786 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, 1787 unsigned int mmd, unsigned int reg, u16 *valp); 1788 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, 1789 unsigned int mmd, unsigned int reg, u16 val); 1790 int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf, 1791 unsigned int vf, unsigned int iqtype, unsigned int iqid, 1792 unsigned int fl0id, unsigned int fl1id); 1793 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, 1794 unsigned int vf, unsigned int iqtype, unsigned int iqid, 1795 unsigned int fl0id, unsigned int fl1id); 1796 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, 1797 unsigned int vf, unsigned int eqid); 1798 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, 1799 unsigned int vf, unsigned int eqid); 1800 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, 1801 unsigned int vf, unsigned int eqid); 1802 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type); 1803 void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl); 1804 int t4_update_port_info(struct port_info *pi); 1805 int t4_get_link_params(struct port_info *pi, unsigned int *link_okp, 1806 unsigned int *speedp, unsigned int *mtup); 1807 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl); 1808 void t4_db_full(struct adapter *adapter); 1809 void t4_db_dropped(struct adapter *adapter); 1810 int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp, 1811 int filter_index, int enable); 1812 void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp, 1813 int filter_index, int *enabled); 1814 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox, 1815 u32 addr, u32 val); 1816 void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]); 1817 void t4_get_tx_sched(struct adapter *adap, unsigned int sched, 1818 unsigned int *kbps, unsigned int *ipg, bool sleep_ok); 1819 int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid, 1820 enum ctxt_type ctype, u32 *data); 1821 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid, 1822 enum ctxt_type ctype, u32 *data); 1823 int t4_sched_params(struct adapter *adapter, int type, int level, int mode, 1824 int rateunit, int ratemode, int channel, int class, 1825 int minrate, int maxrate, int weight, int pktsize); 1826 void t4_sge_decode_idma_state(struct adapter *adapter, int state); 1827 void t4_idma_monitor_init(struct adapter *adapter, 1828 struct sge_idma_monitor_state *idma); 1829 void t4_idma_monitor(struct adapter *adapter, 1830 struct sge_idma_monitor_state *idma, 1831 int hz, int ticks); 1832 int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf, 1833 unsigned int naddr, u8 *addr); 1834 void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs, 1835 u32 start_index, bool sleep_ok); 1836 void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs, 1837 u32 start_index, bool sleep_ok); 1838 void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs, 1839 u32 start_index, bool sleep_ok); 1840 1841 void t4_uld_mem_free(struct adapter *adap); 1842 int t4_uld_mem_alloc(struct adapter *adap); 1843 void t4_uld_clean_up(struct adapter *adap); 1844 void t4_register_netevent_notifier(void); 1845 int t4_i2c_rd(struct adapter *adap, unsigned int mbox, int port, 1846 unsigned int devid, unsigned int offset, 1847 unsigned int len, u8 *buf); 1848 void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl); 1849 void free_tx_desc(struct adapter *adap, struct sge_txq *q, 1850 unsigned int n, bool unmap); 1851 void free_txq(struct adapter *adap, struct sge_txq *q); 1852 void cxgb4_reclaim_completed_tx(struct adapter *adap, 1853 struct sge_txq *q, bool unmap); 1854 int cxgb4_map_skb(struct device *dev, const struct sk_buff *skb, 1855 dma_addr_t *addr); 1856 void cxgb4_inline_tx_skb(const struct sk_buff *skb, const struct sge_txq *q, 1857 void *pos); 1858 void cxgb4_write_sgl(const struct sk_buff *skb, struct sge_txq *q, 1859 struct ulptx_sgl *sgl, u64 *end, unsigned int start, 1860 const dma_addr_t *addr); 1861 void cxgb4_ring_tx_db(struct adapter *adap, struct sge_txq *q, int n); 1862 int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf, 1863 u16 vlan); 1864 int cxgb4_dcb_enabled(const struct net_device *dev); 1865 #endif /* __CXGB4_H__ */ 1866