1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_NGE_H 28 #define _SYS_NGE_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 37 #include <sys/types.h> 38 #include <sys/stream.h> 39 #include <sys/strsun.h> 40 #include <sys/strsubr.h> 41 #include <sys/stat.h> 42 #include <sys/pci.h> 43 #include <sys/note.h> 44 #include <sys/modctl.h> 45 #include <sys/kstat.h> 46 #include <sys/ethernet.h> 47 #include <sys/pattr.h> 48 #include <sys/errno.h> 49 #include <sys/dlpi.h> 50 #include <sys/devops.h> 51 #include <sys/debug.h> 52 #include <sys/conf.h> 53 #include <sys/callb.h> 54 55 #include <netinet/ip6.h> 56 57 #include <inet/common.h> 58 #include <inet/ip.h> 59 #include <netinet/udp.h> 60 #include <inet/mi.h> 61 #include <inet/nd.h> 62 63 #include <sys/ddi.h> 64 #include <sys/sunddi.h> 65 66 #include <sys/mac.h> 67 #include <sys/mac_ether.h> 68 69 /* 70 * Reconfiguring the network devices requires the net_config privilege 71 * in Solaris 10+. 72 */ 73 extern int secpolicy_net_config(const cred_t *, boolean_t); 74 75 #include <sys/netlb.h> 76 #include <sys/miiregs.h> 77 78 #include <sys/dld.h> 79 80 #include "nge_chip.h" 81 82 #define PIO_ADDR(ngep, offset) ((void *)((caddr_t)(ngep)->io_regs+(offset))) 83 /* 84 * Copy an ethernet address 85 */ 86 #define ethaddr_copy(src, dst) bcopy((src), (dst), ETHERADDRL) 87 #define ether_eq(a, b) (bcmp((caddr_t)(a), (caddr_t)(b), (ETHERADDRL)) == 0) 88 89 #define BIS(w, b) (((w) & (b)) ? B_TRUE : B_FALSE) 90 #define BIC(w, b) (((w) & (b)) ? B_FALSE : B_TRUE) 91 #define UPORDOWN(x) ((x) ? "up" : "down") 92 93 #define NGE_DRIVER_NAME "nge" 94 95 /* 96 * 'Progress' bit flags ... 97 */ 98 #define PROGRESS_CFG 0x0001 /* config space mapped */ 99 #define PROGRESS_REGS 0x0002 /* registers mapped */ 100 #define PROGRESS_BUFS 0x0004 /* registers mapped */ 101 #define PROGRESS_RESCHED 0x0008 /* resched softint registered */ 102 #define PROGRESS_FACTOTUM 0x0010 /* factotum softint registered */ 103 #define PROGRESS_SWINT 0x0020 /* s/w interrupt registered */ 104 #define PROGRESS_INTR 0x0040 /* h/w interrupt registered */ 105 /* and mutexen initialised */ 106 #define PROGRESS_HWINT 0x0080 107 #define PROGRESS_PHY 0x0100 /* PHY initialised */ 108 #define PROGRESS_NDD 0x0200 /* NDD parameters set up */ 109 #define PROGRESS_KSTATS 0x0400 /* kstats created */ 110 #define PROGRESS_READY 0x0800 /* ready for work */ 111 112 #define NGE_HW_ERR 0x00 113 #define NGE_HW_LINK 0x01 114 #define NGE_HW_BM 0x02 115 #define NGE_HW_RCHAN 0x03 116 #define NGE_HW_TCHAN 0x04 117 #define NGE_HW_ROM 0x05 118 #define NGE_SW_PROBLEM_ID 0x06 119 120 121 /* 122 * NOTES: 123 * 124 * #defines: 125 * 126 * NGE_PCI_CONFIG_RNUMBER and NGE_PCI_OPREGS_RNUMBER are the 127 * register-set numbers to use for the config space registers 128 * and the operating registers respectively. On an OBP-based 129 * machine, regset 0 refers to CONFIG space, and regset 1 will 130 * be the operating registers in MEMORY space. If an expansion 131 * ROM is fitted, it may appear as a further register set. 132 * 133 * NGE_DMA_MODE defines the mode (STREAMING/CONSISTENT) used 134 * for the data buffers. The descriptors are always set up 135 * in CONSISTENT mode. 136 * 137 * NGE_HEADROOM defines how much space we'll leave in allocated 138 * mblks before the first valid data byte. This should be chosen 139 * to be 2 modulo 4, so that once the ethernet header (14 bytes) 140 * has been stripped off, the packet data will be 4-byte aligned. 141 * The remaining space can be used by upstream modules to prepend 142 * any headers required. 143 */ 144 145 146 #define NGE_PCI_OPREGS_RNUMBER 1 147 #define NGE_DMA_MODE DDI_DMA_STREAMING 148 #define NGE_HEADROOM 6 149 #define ETHER_HEAD_LEN 14 150 #ifndef VTAG_SIZE 151 #define VTAG_SIZE 4 152 #endif 153 154 #define NGE_HALFTICK 268435456LL /* 2**28 ns! */ 155 #define NGE_CYCLIC_PERIOD (4*NGE_HALFTICK) /* ~0.5s */ 156 157 #define NGE_DEFAULT_MTU 1500 158 #define NGE_DEFAULT_SDU 1518 159 #define NGE_MTU_2500 2500 160 #define NGE_MTU_4500 4500 161 #define NGE_MAX_MTU 9000 162 #define NGE_MAX_SDU 9018 163 164 #define NGE_DESC_MIN 0x200 165 166 #define NGE_STD_BUFSZ 1792 167 #define NGE_JB2500_BUFSZ (3*1024) 168 #define NGE_JB4500_BUFSZ (5*1024) 169 #define NGE_JB9000_BUFSZ (9*1024) 170 171 #define NGE_SEND_SLOTS_DESC_1024 1024 172 #define NGE_SEND_SLOTS_DESC_3072 3072 173 #define NGE_SEND_JB2500_SLOTS_DESC 3072 174 #define NGE_SEND_JB4500_SLOTS_DESC 2048 175 #define NGE_SEND_JB9000_SLOTS_DESC 1024 176 #define NGE_SEND_LOWMEM_SLOTS_DESC 1024 177 #define NGE_SEND_SLOTS_BUF 3072 178 179 #define NGE_RECV_SLOTS_DESC_1024 1024 180 #define NGE_RECV_SLOTS_DESC_3072 3072 181 #define NGE_RECV_JB2500_SLOTS_DESC 3072 182 #define NGE_RECV_JB4500_SLOTS_DESC 2048 183 #define NGE_RECV_JB9000_SLOTS_DESC 1024 184 #define NGE_RECV_LOWMEM_SLOTS_DESC 1024 185 #define NGE_RECV_SLOTS_BUF 6144 186 187 #define NGE_SPLIT_32 32 188 #define NGE_SPLIT_96 96 189 #define NGE_SPLIT_256 256 190 191 #define NGE_RX_COPY_SIZE 512 192 #define NGE_TX_COPY_SIZE 512 193 #define NGE_MAP_FRAGS 3 194 #define NGE_MAX_COOKIES 3 195 #define NGE_MAX_DMA_HDR (4*1024) 196 197 /* Used by interrupt moderation */ 198 #define NGE_POLL_QUIET_TIME 100 199 #define NGE_POLL_BUSY_TIME 2 200 #define NGE_TX_N_INTR 128 201 202 /* 203 * NGE-specific ioctls ... 204 */ 205 #define NGE_IOC ((((('N' << 8) + 'G') << 8) + 'E') << 8) 206 207 /* 208 * PHY register read/write ioctls, used by cable test software 209 */ 210 #define NGE_MII_READ (NGE_IOC|1) 211 #define NGE_MII_WRITE (NGE_IOC|2) 212 213 /* 214 * SEEPROM read/write ioctls, for use by SEEPROM upgrade utility 215 * 216 * Note: SEEPROMs can only be accessed as 32-bit words, so <see_addr> 217 * must be a multiple of 4. Not all systems have a SEEPROM fitted! 218 */ 219 #define NGE_SEE_READ (NGE_IOC|3) 220 #define NGE_SEE_WRITE (NGE_IOC|4) 221 222 223 /* 224 * These diagnostic IOCTLS are enabled only in DEBUG drivers 225 */ 226 #define NGE_DIAG (NGE_IOC|5) /* currently a no-op */ 227 #define NGE_PEEK (NGE_IOC|6) 228 #define NGE_POKE (NGE_IOC|7) 229 #define NGE_PHY_RESET (NGE_IOC|8) 230 #define NGE_SOFT_RESET (NGE_IOC|9) 231 #define NGE_HARD_RESET (NGE_IOC|10) 232 233 234 enum NGE_HW_OP { 235 NGE_CLEAR = 0, 236 NGE_SET 237 }; 238 239 /* 240 * Required state according to GLD 241 */ 242 enum nge_mac_state { 243 NGE_MAC_UNKNOWN, 244 NGE_MAC_RESET, 245 NGE_MAC_STOPPED, 246 NGE_MAC_STARTED, 247 NGE_MAC_UNATTACH 248 }; 249 enum loop_type { 250 NGE_LOOP_NONE = 0, 251 NGE_LOOP_EXTERNAL_100, 252 NGE_LOOP_EXTERNAL_10, 253 NGE_LOOP_INTERNAL_PHY, 254 }; 255 256 /* 257 * (Internal) return values from send_msg subroutines 258 */ 259 enum send_status { 260 SEND_COPY_FAIL = -1, /* => GLD_NORESOURCES */ 261 SEND_MAP_FAIL, /* => GLD_NORESOURCES */ 262 SEND_COPY_SUCESS, /* OK, msg queued */ 263 SEND_MAP_SUCCESS /* OK, free msg */ 264 }; 265 266 /* 267 * (Internal) return values from ioctl subroutines 268 */ 269 enum ioc_reply { 270 IOC_INVAL = -1, /* bad, NAK with EINVAL */ 271 IOC_DONE, /* OK, reply sent */ 272 IOC_ACK, /* OK, just send ACK */ 273 IOC_REPLY, /* OK, just send reply */ 274 IOC_RESTART_ACK, /* OK, restart & ACK */ 275 IOC_RESTART_REPLY /* OK, restart & reply */ 276 }; 277 278 enum nge_pp_type { 279 NGE_PP_SPACE_CFG = 0, 280 NGE_PP_SPACE_REG, 281 NGE_PP_SPACE_NIC, 282 NGE_PP_SPACE_MII, 283 NGE_PP_SPACE_NGE, 284 NGE_PP_SPACE_TXDESC, 285 NGE_PP_SPACE_TXBUFF, 286 NGE_PP_SPACE_RXDESC, 287 NGE_PP_SPACE_RXBUFF, 288 NGE_PP_SPACE_STATISTICS, 289 NGE_PP_SPACE_SEEPROM, 290 NGE_PP_SPACE_FLASH 291 }; 292 293 /* 294 * Flag to kstat type 295 */ 296 enum nge_kstat_type { 297 NGE_KSTAT_RAW = 0, 298 NGE_KSTAT_STATS, 299 NGE_KSTAT_CHIPID, 300 NGE_KSTAT_DEBUG, 301 NGE_KSTAT_COUNT 302 }; 303 304 305 /* 306 * Actual state of the nvidia's chip 307 */ 308 enum nge_chip_state { 309 NGE_CHIP_FAULT = -2, /* fault, need reset */ 310 NGE_CHIP_ERROR, /* error, want reset */ 311 NGE_CHIP_INITIAL, /* Initial state only */ 312 NGE_CHIP_RESET, /* reset, need init */ 313 NGE_CHIP_STOPPED, /* Tx/Rx stopped */ 314 NGE_CHIP_RUNNING /* with interrupts */ 315 }; 316 317 enum nge_eeprom_size { 318 EEPROM_1K = 0, 319 EEPROM_2K, 320 EEPROM_4K, 321 EEPROM_8K, 322 EEPROM_16K, 323 EEPROM_32K, 324 EEPROM_64K 325 }; 326 327 enum nge_eeprom_access_wid { 328 ACCESS_8BIT = 0, 329 ACCESS_16BIT 330 }; 331 332 /* 333 * MDIO operation 334 */ 335 enum nge_mdio_operation { 336 NGE_MDIO_READ = 0, 337 NGE_MDIO_WRITE 338 }; 339 340 /* 341 * Speed selection 342 */ 343 enum nge_speed { 344 UNKOWN_SPEED = 0, 345 NGE_10M, 346 NGE_100M, 347 NGE_1000M 348 }; 349 350 /* 351 * Duplex selection 352 */ 353 enum nge_duplex { 354 UNKOWN_DUPLEX = 0, 355 NGE_HD, 356 NGE_FD 357 }; 358 359 typedef struct { 360 ether_addr_t addr; /* in canonical form */ 361 uint8_t spare; 362 uint8_t set; /* nonzero => valid */ 363 } nge_mac_addr_t; 364 365 struct nge; 366 367 368 #define CHIP_FLAG_COPPER 0x40 369 370 /* 371 * Collection of physical-layer functions to: 372 * (re)initialise the physical layer 373 * update it to match software settings 374 * check for link status change 375 */ 376 typedef struct { 377 boolean_t (*phys_restart)(struct nge *); 378 void (*phys_update)(struct nge *); 379 boolean_t (*phys_check)(struct nge *); 380 } phys_ops_t; 381 382 struct nge_see_rw { 383 uint32_t see_addr; /* Byte offset within SEEPROM */ 384 uint32_t see_data; /* Data read/data to write */ 385 }; 386 387 typedef struct { 388 uint64_t pp_acc_size; /* in bytes: 1,2,4,8 */ 389 uint64_t pp_acc_space; /* See #defines below */ 390 uint64_t pp_acc_offset; 391 uint64_t pp_acc_data; /* output for peek */ 392 /* input for poke */ 393 } nge_peekpoke_t; 394 395 typedef uintptr_t nge_regno_t; /* register # (offset) */ 396 397 typedef struct _mul_list { 398 struct _mul_list *next; 399 uint32_t ref_cnt; 400 ether_addr_t mul_addr; 401 }mul_item, *pmul_item; 402 403 /* 404 * Describes one chunk of allocated DMA-able memory 405 * 406 * In some cases, this is a single chunk as allocated from the system; 407 * but we also use this structure to represent slices carved off such 408 * a chunk. Even when we don't really need all the information, we 409 * use this structure as a convenient way of correlating the various 410 * ways of looking at a piece of memory (kernel VA, IO space DVMA, 411 * handle+offset, etc). 412 */ 413 typedef struct dma_area 414 { 415 416 caddr_t private; /* pointer to nge */ 417 frtn_t rx_recycle; /* recycle function */ 418 mblk_t *mp; 419 ddi_acc_handle_t acc_hdl; /* handle for memory */ 420 void *mem_va; /* CPU VA of memory */ 421 uint32_t nslots; /* number of slots */ 422 uint32_t size; /* size per slot */ 423 size_t alength; /* allocated size */ 424 /* >= product of above */ 425 ddi_dma_handle_t dma_hdl; /* DMA handle */ 426 offset_t offset; /* relative to handle */ 427 ddi_dma_cookie_t cookie; /* associated cookie */ 428 uint32_t ncookies; 429 uint32_t signature; /* buffer signature */ 430 /* for deciding to free */ 431 /* or to reuse buffers */ 432 boolean_t rx_delivered; /* hold by upper layer */ 433 struct dma_area *next; 434 } dma_area_t; 435 436 #define HOST_OWN 0x00000000 437 #define CONTROLER_OWN 0x00000001 438 #define NGE_END_PACKET 0x00000002 439 440 441 typedef struct nge_dmah_node 442 { 443 struct nge_dmah_node *next; 444 ddi_dma_handle_t hndl; 445 } nge_dmah_node_t; 446 447 typedef struct nge_dmah_list 448 { 449 nge_dmah_node_t *head; 450 nge_dmah_node_t *tail; 451 } nge_dmah_list_t; 452 453 /* 454 * Software version of the Recv Descriptor 455 * There's one of these for each recv buffer (up to 512 per ring) 456 */ 457 typedef struct sw_rx_sbd { 458 459 dma_area_t desc; /* (const) related h/w */ 460 /* descriptor area */ 461 dma_area_t *bufp; /* (const) related */ 462 /* buffer area */ 463 uint8_t flags; 464 } sw_rx_sbd_t; 465 466 /* 467 * Software version of the send Buffer Descriptor 468 * There's one of these for each send buffer (up to 512 per ring) 469 */ 470 typedef struct sw_tx_sbd { 471 472 dma_area_t desc; /* (const) related h/w */ 473 /* descriptor area */ 474 dma_area_t pbuf; /* (const) related */ 475 /* buffer area */ 476 void (*tx_recycle)(struct sw_tx_sbd *); 477 uint32_t flags; 478 mblk_t *mp; /* related mblk, if any */ 479 nge_dmah_list_t mp_hndl; 480 uint32_t frags; 481 uint32_t ncookies; /* dma cookie number */ 482 483 } sw_tx_sbd_t; 484 485 /* 486 * Software Receive Buffer (Producer) Ring Control Block 487 * There's one of these for each receiver producer ring (up to 3), 488 * but each holds buffers of a different size. 489 */ 490 typedef struct buff_ring { 491 492 uint64_t nslots; /* descriptor area */ 493 struct nge *ngep; /* (const) containing */ 494 /* driver soft state */ 495 /* initialise same */ 496 uint64_t rx_hold; 497 sw_rx_sbd_t *sw_rbds; /* software descriptors */ 498 sw_rx_sbd_t *free_rbds; /* free ring */ 499 dma_area_t *free_list; /* available buffer queue */ 500 dma_area_t *recycle_list; /* recycling buffer queue */ 501 kmutex_t recycle_lock[1]; 502 uint32_t buf_sign; /* buffer ring signature */ 503 /* for deciding to free */ 504 /* or to reuse buffers */ 505 boolean_t rx_bcopy; 506 } buff_ring_t; 507 508 /* 509 * Software Receive (Return) Ring Control Block 510 * There's one of these for each receiver return ring (up to 16). 511 */ 512 typedef struct recv_ring { 513 /* 514 * The elements flagged (const) in the comments below are 515 * set up once during initialiation and thereafter unchanged. 516 */ 517 dma_area_t desc; /* (const) related h/w */ 518 /* descriptor area */ 519 struct nge *ngep; /* (const) containing */ 520 /* driver soft state */ 521 uint16_t prod_index; /* (const) ptr to h/w */ 522 /* "producer index" */ 523 mac_resource_handle_t handle; 524 } recv_ring_t; 525 526 527 528 /* 529 * Software Send Ring Control Block 530 * There's one of these for each of (up to) 1 send rings 531 */ 532 typedef struct send_ring { 533 /* 534 * The elements flagged (const) in the comments below are 535 * set up once during initialiation and thereafter unchanged. 536 */ 537 dma_area_t desc; /* (const) related h/w */ 538 /* descriptor area */ 539 dma_area_t buf[NGE_SEND_SLOTS_BUF]; 540 /* buffer area(s) */ 541 struct nge *ngep; /* (const) containing */ 542 /* driver soft state */ 543 544 uint64_t tx_hwmark; 545 uint64_t tx_lwmark; 546 547 /* 548 * The tx_lock must be held when updating 549 * the s/w producer index 550 * (tx_next) 551 */ 552 kmutex_t tx_lock[1]; /* serialize h/w update */ 553 uint64_t tx_next; /* next slot to use */ 554 uint64_t tx_flow; 555 556 /* 557 * These counters/indexes are manipulated in the transmit 558 * path using atomics rather than mutexes for speed 559 */ 560 uint64_t tx_free; /* # of slots available */ 561 562 /* 563 * index (tc_next). 564 */ 565 kmutex_t tc_lock[1]; 566 uint64_t tc_next; /* next slot to recycle */ 567 /* ("consumer index") */ 568 569 sw_tx_sbd_t *sw_sbds; /* software descriptors */ 570 571 kmutex_t dmah_lock; 572 nge_dmah_list_t dmah_free; 573 nge_dmah_node_t dmahndl[NGE_MAX_DMA_HDR]; 574 575 } send_ring_t; 576 577 578 typedef struct { 579 uint32_t businfo; /* from private reg */ 580 uint16_t command; /* saved during attach */ 581 582 uint16_t vendor; /* vendor-id */ 583 uint16_t device; /* device-id */ 584 uint16_t subven; /* subsystem-vendor-id */ 585 uint16_t subdev; /* subsystem-id */ 586 uint8_t class_code; 587 uint8_t revision; /* revision-id */ 588 uint8_t clsize; /* cache-line-size */ 589 uint8_t latency; /* latency-timer */ 590 uint8_t flags; 591 592 uint16_t phy_type; /* Fiber module type */ 593 uint64_t hw_mac_addr; /* from chip register */ 594 nge_mac_addr_t vendor_addr; /* transform of same */ 595 } chip_info_t; 596 597 598 typedef struct { 599 offset_t index; 600 char *name; 601 } nge_ksindex_t; 602 603 typedef struct { 604 uint64_t tso_err_mss; 605 uint64_t tso_dis; 606 uint64_t tso_err_nosum; 607 uint64_t tso_err_hov; 608 uint64_t tso_err_huf; 609 uint64_t tso_err_l2; 610 uint64_t tso_err_ip; 611 uint64_t tso_err_l4; 612 uint64_t tso_err_tcp; 613 uint64_t hsum_err_ip; 614 uint64_t hsum_err_l4; 615 }fe_statistics_t; 616 617 /* 618 * statistics parameters to tune the driver 619 */ 620 typedef struct { 621 uint64_t intr_count; 622 uint64_t intr_lval; 623 uint64_t recv_realloc; 624 uint64_t poll_time; 625 uint64_t recy_free; 626 uint64_t recv_count; 627 uint64_t xmit_count; 628 uint64_t obytes; 629 uint64_t rbytes; 630 uint64_t mp_alloc_err; 631 uint64_t dma_alloc_err; 632 uint64_t kmem_alloc_err; 633 uint64_t load_context; 634 uint64_t ip_hwsum_err; 635 uint64_t tcp_hwsum_err; 636 uint64_t rx_nobuffer; 637 uint64_t rx_err; 638 uint64_t tx_stop_err; 639 uint64_t tx_stall; 640 uint64_t tx_rsrv_fail; 641 uint64_t tx_resched; 642 fe_statistics_t fe_err; 643 }nge_sw_statistics_t; 644 645 typedef struct { 646 nge_hw_statistics_t hw_statistics; 647 nge_sw_statistics_t sw_statistics; 648 }nge_statistics_t; 649 650 struct nge_desc_attr { 651 652 size_t rxd_size; 653 size_t txd_size; 654 655 ddi_dma_attr_t *dma_attr; 656 ddi_dma_attr_t *tx_dma_attr; 657 658 void (*rxd_fill)(void *, const ddi_dma_cookie_t *, size_t); 659 uint32_t (*rxd_check)(const void *, size_t *); 660 661 void (*txd_fill)(void *, const ddi_dma_cookie_t *, size_t, 662 uint32_t, boolean_t); 663 664 uint32_t (*txd_check)(const void *, size_t *); 665 }; 666 667 typedef struct nge_desc_attr nge_desc_attr_t; 668 669 /* 670 * Structure used to hold the device-specific config parameters. 671 * The setting of such parameters may not consistent with the 672 * hardware feature of the device. It's used for software purpose. 673 */ 674 typedef struct nge_dev_spec_param { 675 boolean_t msi; /* specifies msi support */ 676 boolean_t msi_x; /* specifies msi_x support */ 677 boolean_t vlan; /* specifies vlan support */ 678 boolean_t advanced_pm; /* advanced power management support */ 679 boolean_t tx_pause_frame; /* specifies tx pause frame support */ 680 boolean_t rx_pause_frame; /* specifies rx pause frame support */ 681 boolean_t jumbo; /* jumbo frame support */ 682 boolean_t tx_rx_64byte; /* set the max tx/rx prd fetch size */ 683 boolean_t rx_hw_checksum; /* specifies tx hw checksum feature */ 684 uint32_t tx_hw_checksum; /* specifies rx hw checksum feature */ 685 uint32_t desc_type; /* specifies descriptor type */ 686 uint32_t rx_desc_num; /* specifies rx descriptor number */ 687 uint32_t tx_desc_num; /* specifies tx descriptor number */ 688 uint32_t nge_split; /* specifies the split number */ 689 } nge_dev_spec_param_t; 690 691 typedef struct nge { 692 /* 693 * These fields are set by attach() and unchanged thereafter ... 694 */ 695 dev_info_t *devinfo; /* device instance */ 696 mac_handle_t mh; /* mac module handle */ 697 chip_info_t chipinfo; 698 ddi_acc_handle_t cfg_handle; /* DDI I/O handle */ 699 ddi_acc_handle_t io_handle; /* DDI I/O handle */ 700 void *io_regs; /* mapped registers */ 701 702 ddi_periodic_t periodic_id; /* periodical callback */ 703 uint32_t factotum_flag; 704 ddi_softint_handle_t factotum_hdl; /* factotum callback */ 705 ddi_softint_handle_t resched_hdl; /* reschedule callback */ 706 uint_t soft_pri; 707 708 ddi_intr_handle_t *htable; /* for array of interrupts */ 709 int intr_type; /* type of interrupt */ 710 int intr_actual_cnt; /* alloc intrs count */ 711 int intr_req_cnt; /* request intrs count */ 712 uint_t intr_pri; /* interrupt priority */ 713 int intr_cap; /* interrupt capabilities */ 714 715 uint32_t progress; /* attach tracking */ 716 uint32_t debug; /* flag to debug function */ 717 718 char ifname[8]; /* "nge0" ... "nge999" */ 719 720 721 enum nge_mac_state nge_mac_state; /* definitions above */ 722 enum nge_chip_state nge_chip_state; /* definitions above */ 723 boolean_t promisc; 724 boolean_t suspended; 725 726 int resched_needed; 727 uint32_t default_mtu; 728 uint32_t max_sdu; 729 uint32_t buf_size; 730 uint32_t rx_desc; 731 uint32_t tx_desc; 732 uint32_t rx_buf; 733 uint32_t nge_split; 734 uint32_t watchdog; 735 uint32_t lowmem_mode; 736 737 738 /* 739 * Runtime read-write data starts here ... 740 * 1 Receive Rings 741 * 1 Send Rings 742 * 743 * Note: they're not necessarily all used. 744 */ 745 struct buff_ring buff[1]; 746 struct recv_ring recv[1]; 747 struct send_ring send[1]; 748 749 750 kmutex_t genlock[1]; 751 krwlock_t rwlock[1]; 752 kmutex_t softlock[1]; 753 uint32_t intr_masks; 754 boolean_t poll; 755 boolean_t ch_intr_mode; 756 boolean_t intr_moderation; 757 uint32_t recv_count; 758 uint32_t quiet_time; 759 uint32_t busy_time; 760 uint32_t stint_count; 761 uint32_t sw_intr_intv; 762 nge_mac_addr_t cur_uni_addr; 763 uint32_t rx_datahwm; 764 uint32_t rx_prdlwm; 765 uint32_t rx_prdhwm; 766 uint32_t rx_def; 767 uint32_t desc_mode; 768 769 mul_item *pcur_mulist; 770 nge_mac_addr_t cur_mul_addr; 771 nge_mac_addr_t cur_mul_mask; 772 773 nge_desc_attr_t desc_attr; 774 775 /* 776 * Link state data (protected by genlock) 777 */ 778 int32_t link_state; /* See GLD #defines */ 779 uint32_t stall_cknum; /* Stall check number */ 780 781 uint32_t phy_xmii_addr; 782 uint32_t phy_id; 783 uint32_t phy_mode; 784 const phys_ops_t *physops; 785 uint16_t phy_gen_status; 786 787 uint32_t param_loop_mode; 788 789 kstat_t *nge_kstats[NGE_KSTAT_COUNT]; 790 nge_statistics_t statistics; 791 792 nge_dev_spec_param_t dev_spec_param; 793 794 uint32_t param_en_pause:1, 795 param_en_asym_pause:1, 796 param_en_1000hdx:1, 797 param_en_1000fdx:1, 798 param_en_100fdx:1, 799 param_en_100hdx:1, 800 param_en_10fdx:1, 801 param_en_10hdx:1, 802 param_adv_autoneg:1, 803 param_adv_pause:1, 804 param_adv_asym_pause:1, 805 param_adv_1000fdx:1, 806 param_adv_1000hdx:1, 807 param_adv_100fdx:1, 808 param_adv_100hdx:1, 809 param_adv_10fdx:1, 810 param_adv_10hdx:1, 811 param_lp_autoneg:1, 812 param_lp_pause:1, 813 param_lp_asym_pause:1, 814 param_lp_1000fdx:1, 815 param_lp_1000hdx:1, 816 param_lp_100fdx:1, 817 param_lp_100hdx:1, 818 param_lp_10fdx:1, 819 param_lp_10hdx:1, 820 param_link_up:1, 821 param_link_autoneg:1, 822 param_link_rx_pause:1, 823 param_link_tx_pause:1, 824 param_pad_to_32:2; 825 uint64_t param_link_speed; 826 link_duplex_t param_link_duplex; 827 int param_txbcopy_threshold; 828 int param_rxbcopy_threshold; 829 int param_recv_max_packet; 830 int param_poll_quiet_time; 831 int param_poll_busy_time; 832 int param_rx_intr_hwater; 833 int param_rx_intr_lwater; 834 int param_tx_n_intr; 835 } nge_t; 836 837 extern const nge_ksindex_t nge_statistics[]; 838 839 /* 840 * Sync a DMA area described by a dma_area_t 841 */ 842 #define DMA_SYNC(area, flag) ((void) ddi_dma_sync((area).dma_hdl, \ 843 (area).offset, (area).alength, (flag))) 844 845 /* 846 * Find the (kernel virtual) address of block of memory 847 * described by a dma_area_t 848 */ 849 #define DMA_VPTR(area) ((area).mem_va) 850 851 /* 852 * Zero a block of memory described by a dma_area_t 853 */ 854 #define DMA_ZERO(area) bzero(DMA_VPTR(area), (area).alength) 855 856 /* 857 * Next/Prev value of a cyclic index 858 */ 859 #define NEXT(index, limit) ((index) + 1 < (limit) ? (index) + 1 : 0) 860 #define PREV(index, limit) (0 == (index) ? (limit - 1) : (index) - 1) 861 862 #define NEXT_INDEX(ndx, num, lim)\ 863 (((ndx) + (num) < (lim)) ? ((ndx) + (num)) : ((ndx) + (num) - (lim))) 864 865 866 /* 867 * Property lookups 868 */ 869 #define NGE_PROP_EXISTS(d, n) ddi_prop_exists(DDI_DEV_T_ANY, (d), \ 870 DDI_PROP_DONTPASS, (n)) 871 #define NGE_PROP_GET_INT(d, n) ddi_prop_get_int(DDI_DEV_T_ANY, (d), \ 872 DDI_PROP_DONTPASS, (n), -1) 873 874 875 /* 876 * Debugging ... 877 */ 878 #ifdef DEBUG 879 #define NGE_DEBUGGING 1 880 #else 881 #define NGE_DEBUGGING 0 882 #endif /* DEBUG */ 883 884 /* 885 * Bit flags in the 'debug' word ... 886 */ 887 #define NGE_DBG_STOP 0x00000001 /* early debug_enter() */ 888 #define NGE_DBG_TRACE 0x00000002 /* general flow tracing */ 889 890 #define NGE_DBG_MII 0x00000010 /* low-level MII access */ 891 #define NGE_DBG_CHIP 0x00000020 /* low(ish)-level code */ 892 893 #define NGE_DBG_RECV 0x00000100 /* receive-side code */ 894 #define NGE_DBG_SEND 0x00000200 /* packet-send code */ 895 896 #define NGE_DBG_INIT 0x00100000 /* initialisation */ 897 #define NGE_DBG_NEMO 0x00200000 /* MAC layer entry points */ 898 #define NGE_DBG_STATS 0x00400000 /* statistics */ 899 900 #define NGE_DBG_BADIOC 0x01000000 /* unknown ioctls */ 901 902 #define NGE_DBG_NDD 0x10000000 /* NDD operations */ 903 904 905 906 /* 907 * 'Do-if-debugging' macro. The parameter <command> should be one or more 908 * C statements (but without the *final* semicolon), which will either be 909 * compiled inline or completely ignored, depending on the NGE_DEBUGGING 910 * compile-time flag. 911 * 912 * You should get a compile-time error (at least on a DEBUG build) if 913 * your statement isn't actually a statement, rather than unexpected 914 * run-time behaviour caused by unintended matching of if-then-elses etc. 915 * 916 * Note that the NGE_DDB() macro itself can only be used as a statement, 917 * not an expression, and should always be followed by a semicolon. 918 */ 919 #if NGE_DEBUGGING 920 #define NGE_DDB(command) do { \ 921 { command; } \ 922 _NOTE(CONSTANTCONDITION) \ 923 } while (0) 924 #else /* NGE_DEBUGGING */ 925 #define NGE_DDB(command) 926 /* 927 * Old way of debugging. This is a poor way, as it leeaves empty 928 * statements that cause lint to croak. 929 * #define NGE_DDB(command) do { \ 930 * { _NOTE(EMPTY); } \ 931 * _NOTE(CONSTANTCONDITION) \ 932 * } while (0) 933 */ 934 #endif /* NGE_DEBUGGING */ 935 936 /* 937 * 'Internal' macros used to construct the TRACE/DEBUG macros below. 938 * These provide the primitive conditional-call capability required. 939 * Note: the parameter <args> is a parenthesised list of the actual 940 * printf-style arguments to be passed to the debug function ... 941 */ 942 #define NGE_XDB(b, w, f, args) NGE_DDB(if ((b) & (w)) f args) 943 #define NGE_GDB(b, args) NGE_XDB(b, nge_debug, (*nge_gdb()), args) 944 #define NGE_LDB(b, args) NGE_XDB(b, ngep->debug, \ 945 (*nge_db(ngep)), args) 946 #define NGE_CDB(f, args) NGE_XDB(NGE_DBG, ngep->debug, f, args) 947 948 /* 949 * Conditional-print macros. 950 * 951 * Define NGE_DBG to be the relevant member of the set of NGE_DBG_* values 952 * above before using the NGE_GDEBUG() or NGE_DEBUG() macros. The 'G' 953 * versions look at the Global debug flag word (nge_debug); the non-G 954 * versions look in the per-instance data (ngep->debug) and so require a 955 * variable called 'ngep' to be in scope (and initialised!) before use. 956 * 957 * You could redefine NGE_TRC too if you really need two different 958 * flavours of debugging output in the same area of code, but I don't 959 * really recommend it. 960 * 961 * Note: the parameter <args> is a parenthesised list of the actual 962 * arguments to be passed to the debug function, usually a printf-style 963 * format string and corresponding values to be formatted. 964 */ 965 966 #define NGE_TRC NGE_DBG_TRACE 967 968 #define NGE_GTRACE(args) NGE_GDB(NGE_TRC, args) 969 #define NGE_GDEBUG(args) NGE_GDB(NGE_DBG, args) 970 #define NGE_TRACE(args) NGE_LDB(NGE_TRC, args) 971 #define NGE_DEBUG(args) NGE_LDB(NGE_DBG, args) 972 973 /* 974 * Debug-only action macros 975 */ 976 977 978 #define NGE_REPORT(args) NGE_DDB(nge_log args) 979 980 boolean_t nge_atomic_decrease(uint64_t *count_p, uint64_t n); 981 void nge_atomic_increase(uint64_t *count_p, uint64_t n); 982 983 int nge_alloc_dma_mem(nge_t *ngep, size_t memsize, 984 ddi_device_acc_attr_t *attr_p, uint_t dma_flags, dma_area_t *dma_p); 985 void nge_free_dma_mem(dma_area_t *dma_p); 986 int nge_restart(nge_t *ngep); 987 void nge_wake_factotum(nge_t *ngep); 988 989 uint8_t nge_reg_get8(nge_t *ngep, nge_regno_t regno); 990 void nge_reg_put8(nge_t *ngep, nge_regno_t regno, uint8_t data); 991 uint16_t nge_reg_get16(nge_t *ngep, nge_regno_t regno); 992 void nge_reg_put16(nge_t *ngep, nge_regno_t regno, uint16_t data); 993 uint32_t nge_reg_get32(nge_t *ngep, nge_regno_t regno); 994 void nge_reg_put32(nge_t *ngep, nge_regno_t regno, uint32_t data); 995 uint_t nge_chip_factotum(caddr_t args1, caddr_t args2); 996 void nge_chip_cfg_init(nge_t *ngep, chip_info_t *infop, boolean_t reset); 997 void nge_init_dev_spec_param(nge_t *ngep); 998 int nge_chip_stop(nge_t *ngep, boolean_t fault); 999 void nge_restore_mac_addr(nge_t *ngep); 1000 int nge_chip_reset(nge_t *ngep); 1001 int nge_chip_start(nge_t *ngep); 1002 void nge_chip_sync(nge_t *ngep); 1003 1004 uint_t nge_chip_intr(caddr_t arg1, caddr_t arg2); 1005 enum ioc_reply nge_chip_ioctl(nge_t *ngep, mblk_t *mp, struct iocblk *iocp); 1006 1007 void nge_phys_init(nge_t *ngep); 1008 boolean_t nge_phy_reset(nge_t *ngep); 1009 uint16_t nge_mii_get16(nge_t *ngep, nge_regno_t regno); 1010 void nge_mii_put16(nge_t *ngep, nge_regno_t regno, uint16_t data); 1011 1012 void nge_recv_recycle(caddr_t arg); 1013 void nge_receive(nge_t *ngep); 1014 1015 uint_t nge_reschedule(caddr_t args1, caddr_t args2); 1016 mblk_t *nge_m_tx(void *arg, mblk_t *mp); 1017 1018 void nge_tx_recycle(nge_t *ngep, boolean_t is_intr); 1019 void nge_tx_recycle_all(nge_t *ngep); 1020 1021 int nge_nd_init(nge_t *ngep); 1022 void nge_nd_cleanup(nge_t *ngep); 1023 1024 1025 void nge_init_kstats(nge_t *ngep, int instance); 1026 void nge_fini_kstats(nge_t *ngep); 1027 int nge_m_stat(void *arg, uint_t stat, uint64_t *val); 1028 1029 uint32_t nge_atomic_shl32(uint32_t *sp, uint_t count); 1030 1031 void nge_log(nge_t *ngep, const char *fmt, ...); 1032 void nge_problem(nge_t *ngep, const char *fmt, ...); 1033 void nge_error(nge_t *ngep, const char *fmt, ...); 1034 void 1035 nge_report(nge_t *ngep, uint8_t error_id); 1036 1037 void (*nge_db(nge_t *ngep))(const char *fmt, ...); 1038 void (*nge_gdb(void))(const char *fmt, ...); 1039 extern uint32_t nge_debug; 1040 1041 /* 1042 * DESC MODE 2 1043 */ 1044 1045 extern void nge_sum_rxd_fill(void *, const ddi_dma_cookie_t *, size_t); 1046 extern uint32_t nge_sum_rxd_check(const void *, size_t *); 1047 1048 extern void nge_sum_txd_fill(void *, const ddi_dma_cookie_t *, 1049 size_t, uint32_t, boolean_t); 1050 extern uint32_t nge_sum_txd_check(const void *, size_t *); 1051 1052 /* 1053 * DESC MODE 3 1054 */ 1055 1056 extern void nge_hot_rxd_fill(void *, const ddi_dma_cookie_t *, size_t); 1057 extern uint32_t nge_hot_rxd_check(const void *, size_t *); 1058 1059 extern void nge_hot_txd_fill(void *, const ddi_dma_cookie_t *, 1060 size_t, uint32_t, boolean_t); 1061 extern uint32_t nge_hot_txd_check(const void *, size_t *); 1062 1063 #ifdef __cplusplus 1064 } 1065 #endif 1066 1067 #endif /* _SYS_NGE_H */ 1068