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 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 28 #include "nge.h" 29 30 /* 31 * Describes the chip's DMA engine 32 */ 33 34 static ddi_dma_attr_t hot_dma_attr = { 35 DMA_ATTR_V0, /* dma_attr version */ 36 0x0000000000000000ull, /* dma_attr_addr_lo */ 37 0x000000FFFFFFFFFFull, /* dma_attr_addr_hi */ 38 0x000000007FFFFFFFull, /* dma_attr_count_max */ 39 0x0000000000000010ull, /* dma_attr_align */ 40 0x00000FFF, /* dma_attr_burstsizes */ 41 0x00000001, /* dma_attr_minxfer */ 42 0x000000000000FFFFull, /* dma_attr_maxxfer */ 43 0x000000FFFFFFFFFFull, /* dma_attr_seg */ 44 1, /* dma_attr_sgllen */ 45 0x00000001, /* dma_attr_granular */ 46 0 47 }; 48 49 static ddi_dma_attr_t hot_tx_dma_attr = { 50 DMA_ATTR_V0, /* dma_attr version */ 51 0x0000000000000000ull, /* dma_attr_addr_lo */ 52 0x000000FFFFFFFFFFull, /* dma_attr_addr_hi */ 53 0x0000000000003FFFull, /* dma_attr_count_max */ 54 0x0000000000000010ull, /* dma_attr_align */ 55 0x00000FFF, /* dma_attr_burstsizes */ 56 0x00000001, /* dma_attr_minxfer */ 57 0x0000000000003FFFull, /* dma_attr_maxxfer */ 58 0x000000FFFFFFFFFFull, /* dma_attr_seg */ 59 NGE_MAX_COOKIES, /* dma_attr_sgllen */ 60 1, /* dma_attr_granular */ 61 0 62 }; 63 64 static ddi_dma_attr_t sum_dma_attr = { 65 DMA_ATTR_V0, /* dma_attr version */ 66 0x0000000000000000ull, /* dma_attr_addr_lo */ 67 0x00000000FFFFFFFFull, /* dma_attr_addr_hi */ 68 0x000000007FFFFFFFull, /* dma_attr_count_max */ 69 0x0000000000000010ull, /* dma_attr_align */ 70 0x00000FFF, /* dma_attr_burstsizes */ 71 0x00000001, /* dma_attr_minxfer */ 72 0x000000000000FFFFull, /* dma_attr_maxxfer */ 73 0x00000000FFFFFFFFull, /* dma_attr_seg */ 74 1, /* dma_attr_sgllen */ 75 0x00000001, /* dma_attr_granular */ 76 0 77 }; 78 79 static ddi_dma_attr_t sum_tx_dma_attr = { 80 DMA_ATTR_V0, /* dma_attr version */ 81 0x0000000000000000ull, /* dma_attr_addr_lo */ 82 0x00000000FFFFFFFFull, /* dma_attr_addr_hi */ 83 0x0000000000003FFFull, /* dma_attr_count_max */ 84 0x0000000000000010ull, /* dma_attr_align */ 85 0x00000FFF, /* dma_attr_burstsizes */ 86 0x00000001, /* dma_attr_minxfer */ 87 0x0000000000003FFFull, /* dma_attr_maxxfer */ 88 0x00000000FFFFFFFFull, /* dma_attr_seg */ 89 NGE_MAX_COOKIES, /* dma_attr_sgllen */ 90 1, /* dma_attr_granular */ 91 0 92 }; 93 94 /* 95 * DMA access attributes for data. 96 */ 97 ddi_device_acc_attr_t nge_data_accattr = { 98 DDI_DEVICE_ATTR_V0, 99 DDI_STRUCTURE_LE_ACC, 100 DDI_STRICTORDER_ACC, 101 DDI_DEFAULT_ACC 102 }; 103 104 /* 105 * DMA access attributes for descriptors. 106 */ 107 static ddi_device_acc_attr_t nge_desc_accattr = { 108 DDI_DEVICE_ATTR_V0, 109 DDI_STRUCTURE_LE_ACC, 110 DDI_STRICTORDER_ACC, 111 DDI_DEFAULT_ACC 112 }; 113 114 /* 115 * PIO access attributes for registers 116 */ 117 static ddi_device_acc_attr_t nge_reg_accattr = { 118 DDI_DEVICE_ATTR_V0, 119 DDI_STRUCTURE_LE_ACC, 120 DDI_STRICTORDER_ACC, 121 DDI_DEFAULT_ACC 122 }; 123 124 /* 125 * NIC DESC MODE 2 126 */ 127 128 static const nge_desc_attr_t nge_sum_desc = { 129 130 sizeof (sum_rx_bd), 131 sizeof (sum_tx_bd), 132 &sum_dma_attr, 133 &sum_tx_dma_attr, 134 nge_sum_rxd_fill, 135 nge_sum_rxd_check, 136 nge_sum_txd_fill, 137 nge_sum_txd_check, 138 }; 139 140 /* 141 * NIC DESC MODE 3 142 */ 143 144 static const nge_desc_attr_t nge_hot_desc = { 145 146 sizeof (hot_rx_bd), 147 sizeof (hot_tx_bd), 148 &hot_dma_attr, 149 &hot_tx_dma_attr, 150 nge_hot_rxd_fill, 151 nge_hot_rxd_check, 152 nge_hot_txd_fill, 153 nge_hot_txd_check, 154 }; 155 156 static char nge_ident[] = "nVidia 1Gb Ethernet"; 157 static char clsize_propname[] = "cache-line-size"; 158 static char latency_propname[] = "latency-timer"; 159 static char debug_propname[] = "nge-debug-flags"; 160 static char intr_moderation[] = "intr-moderation"; 161 static char rx_data_hw[] = "rx-data-hw"; 162 static char rx_prd_lw[] = "rx-prd-lw"; 163 static char rx_prd_hw[] = "rx-prd-hw"; 164 static char sw_intr_intv[] = "sw-intr-intvl"; 165 static char nge_desc_mode[] = "desc-mode"; 166 static char default_mtu[] = "default_mtu"; 167 static char low_memory_mode[] = "minimal-memory-usage"; 168 extern kmutex_t nge_log_mutex[1]; 169 170 static int nge_m_start(void *); 171 static void nge_m_stop(void *); 172 static int nge_m_promisc(void *, boolean_t); 173 static int nge_m_multicst(void *, boolean_t, const uint8_t *); 174 static int nge_m_unicst(void *, const uint8_t *); 175 static void nge_m_ioctl(void *, queue_t *, mblk_t *); 176 static boolean_t nge_m_getcapab(void *, mac_capab_t, void *); 177 static int nge_m_setprop(void *, const char *, mac_prop_id_t, 178 uint_t, const void *); 179 static int nge_m_getprop(void *, const char *, mac_prop_id_t, 180 uint_t, uint_t, void *, uint_t *); 181 static int nge_set_priv_prop(nge_t *, const char *, uint_t, 182 const void *); 183 static int nge_get_priv_prop(nge_t *, const char *, uint_t, 184 uint_t, void *); 185 186 #define NGE_M_CALLBACK_FLAGS\ 187 (MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP) 188 189 static mac_callbacks_t nge_m_callbacks = { 190 NGE_M_CALLBACK_FLAGS, 191 nge_m_stat, 192 nge_m_start, 193 nge_m_stop, 194 nge_m_promisc, 195 nge_m_multicst, 196 nge_m_unicst, 197 nge_m_tx, 198 nge_m_ioctl, 199 nge_m_getcapab, 200 NULL, 201 NULL, 202 nge_m_setprop, 203 nge_m_getprop 204 }; 205 206 mac_priv_prop_t nge_priv_props[] = { 207 {"_tx_bcopy_threshold", MAC_PROP_PERM_RW}, 208 {"_rx_bcopy_threshold", MAC_PROP_PERM_RW}, 209 {"_recv_max_packet", MAC_PROP_PERM_RW}, 210 {"_poll_quiet_time", MAC_PROP_PERM_RW}, 211 {"_poll_busy_time", MAC_PROP_PERM_RW}, 212 {"_rx_intr_hwater", MAC_PROP_PERM_RW}, 213 {"_rx_intr_lwater", MAC_PROP_PERM_RW}, 214 }; 215 216 #define NGE_MAX_PRIV_PROPS \ 217 (sizeof (nge_priv_props)/sizeof (mac_priv_prop_t)) 218 219 static int nge_add_intrs(nge_t *, int); 220 static void nge_rem_intrs(nge_t *); 221 static int nge_register_intrs_and_init_locks(nge_t *); 222 223 /* 224 * NGE MSI tunable: 225 */ 226 boolean_t nge_enable_msi = B_FALSE; 227 228 static enum ioc_reply 229 nge_set_loop_mode(nge_t *ngep, uint32_t mode) 230 { 231 /* 232 * If the mode isn't being changed, there's nothing to do ... 233 */ 234 if (mode == ngep->param_loop_mode) 235 return (IOC_ACK); 236 237 /* 238 * Validate the requested mode and prepare a suitable message 239 * to explain the link down/up cycle that the change will 240 * probably induce ... 241 */ 242 switch (mode) { 243 default: 244 return (IOC_INVAL); 245 246 case NGE_LOOP_NONE: 247 case NGE_LOOP_EXTERNAL_100: 248 case NGE_LOOP_EXTERNAL_10: 249 case NGE_LOOP_INTERNAL_PHY: 250 break; 251 } 252 253 /* 254 * All OK; tell the caller to reprogram 255 * the PHY and/or MAC for the new mode ... 256 */ 257 ngep->param_loop_mode = mode; 258 return (IOC_RESTART_ACK); 259 } 260 261 #undef NGE_DBG 262 #define NGE_DBG NGE_DBG_INIT 263 264 /* 265 * Utility routine to carve a slice off a chunk of allocated memory, 266 * updating the chunk descriptor accordingly. The size of the slice 267 * is given by the product of the <qty> and <size> parameters. 268 */ 269 void 270 nge_slice_chunk(dma_area_t *slice, dma_area_t *chunk, 271 uint32_t qty, uint32_t size) 272 { 273 size_t totsize; 274 275 totsize = qty*size; 276 ASSERT(size > 0); 277 ASSERT(totsize <= chunk->alength); 278 279 *slice = *chunk; 280 slice->nslots = qty; 281 slice->size = size; 282 slice->alength = totsize; 283 284 chunk->mem_va = (caddr_t)chunk->mem_va + totsize; 285 chunk->alength -= totsize; 286 chunk->offset += totsize; 287 chunk->cookie.dmac_laddress += totsize; 288 chunk->cookie.dmac_size -= totsize; 289 } 290 291 /* 292 * Allocate an area of memory and a DMA handle for accessing it 293 */ 294 int 295 nge_alloc_dma_mem(nge_t *ngep, size_t memsize, ddi_device_acc_attr_t *attr_p, 296 uint_t dma_flags, dma_area_t *dma_p) 297 { 298 int err; 299 caddr_t va; 300 301 NGE_TRACE(("nge_alloc_dma_mem($%p, %ld, $%p, 0x%x, $%p)", 302 (void *)ngep, memsize, attr_p, dma_flags, dma_p)); 303 /* 304 * Allocate handle 305 */ 306 err = ddi_dma_alloc_handle(ngep->devinfo, ngep->desc_attr.dma_attr, 307 DDI_DMA_DONTWAIT, NULL, &dma_p->dma_hdl); 308 if (err != DDI_SUCCESS) 309 goto fail; 310 311 /* 312 * Allocate memory 313 */ 314 err = ddi_dma_mem_alloc(dma_p->dma_hdl, memsize, attr_p, 315 dma_flags & (DDI_DMA_CONSISTENT | DDI_DMA_STREAMING), 316 DDI_DMA_DONTWAIT, NULL, &va, &dma_p->alength, &dma_p->acc_hdl); 317 if (err != DDI_SUCCESS) 318 goto fail; 319 320 /* 321 * Bind the two together 322 */ 323 dma_p->mem_va = va; 324 err = ddi_dma_addr_bind_handle(dma_p->dma_hdl, NULL, 325 va, dma_p->alength, dma_flags, DDI_DMA_DONTWAIT, NULL, 326 &dma_p->cookie, &dma_p->ncookies); 327 328 if (err != DDI_DMA_MAPPED || dma_p->ncookies != 1) 329 goto fail; 330 331 dma_p->nslots = ~0U; 332 dma_p->size = ~0U; 333 dma_p->offset = 0; 334 335 return (DDI_SUCCESS); 336 337 fail: 338 nge_free_dma_mem(dma_p); 339 NGE_DEBUG(("nge_alloc_dma_mem: fail to alloc dma memory!")); 340 341 return (DDI_FAILURE); 342 } 343 344 /* 345 * Free one allocated area of DMAable memory 346 */ 347 void 348 nge_free_dma_mem(dma_area_t *dma_p) 349 { 350 if (dma_p->dma_hdl != NULL) { 351 if (dma_p->ncookies) { 352 (void) ddi_dma_unbind_handle(dma_p->dma_hdl); 353 dma_p->ncookies = 0; 354 } 355 } 356 if (dma_p->acc_hdl != NULL) { 357 ddi_dma_mem_free(&dma_p->acc_hdl); 358 dma_p->acc_hdl = NULL; 359 } 360 if (dma_p->dma_hdl != NULL) { 361 ddi_dma_free_handle(&dma_p->dma_hdl); 362 dma_p->dma_hdl = NULL; 363 } 364 } 365 366 #define ALLOC_TX_BUF 0x1 367 #define ALLOC_TX_DESC 0x2 368 #define ALLOC_RX_DESC 0x4 369 370 int 371 nge_alloc_bufs(nge_t *ngep) 372 { 373 int err; 374 int split; 375 int progress; 376 size_t txbuffsize; 377 size_t rxdescsize; 378 size_t txdescsize; 379 380 txbuffsize = ngep->tx_desc * ngep->buf_size; 381 rxdescsize = ngep->rx_desc; 382 txdescsize = ngep->tx_desc; 383 rxdescsize *= ngep->desc_attr.rxd_size; 384 txdescsize *= ngep->desc_attr.txd_size; 385 progress = 0; 386 387 NGE_TRACE(("nge_alloc_bufs($%p)", (void *)ngep)); 388 /* 389 * Allocate memory & handles for TX buffers 390 */ 391 ASSERT((txbuffsize % ngep->nge_split) == 0); 392 for (split = 0; split < ngep->nge_split; ++split) { 393 err = nge_alloc_dma_mem(ngep, txbuffsize/ngep->nge_split, 394 &nge_data_accattr, DDI_DMA_WRITE | NGE_DMA_MODE, 395 &ngep->send->buf[split]); 396 if (err != DDI_SUCCESS) 397 goto fail; 398 } 399 400 progress |= ALLOC_TX_BUF; 401 402 /* 403 * Allocate memory & handles for receive return rings and 404 * buffer (producer) descriptor rings 405 */ 406 err = nge_alloc_dma_mem(ngep, rxdescsize, &nge_desc_accattr, 407 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, &ngep->recv->desc); 408 if (err != DDI_SUCCESS) 409 goto fail; 410 progress |= ALLOC_RX_DESC; 411 412 /* 413 * Allocate memory & handles for TX descriptor rings, 414 */ 415 err = nge_alloc_dma_mem(ngep, txdescsize, &nge_desc_accattr, 416 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, &ngep->send->desc); 417 if (err != DDI_SUCCESS) 418 goto fail; 419 return (DDI_SUCCESS); 420 421 fail: 422 if (progress & ALLOC_RX_DESC) 423 nge_free_dma_mem(&ngep->recv->desc); 424 if (progress & ALLOC_TX_BUF) { 425 for (split = 0; split < ngep->nge_split; ++split) 426 nge_free_dma_mem(&ngep->send->buf[split]); 427 } 428 429 return (DDI_FAILURE); 430 } 431 432 /* 433 * This routine frees the transmit and receive buffers and descriptors. 434 * Make sure the chip is stopped before calling it! 435 */ 436 void 437 nge_free_bufs(nge_t *ngep) 438 { 439 int split; 440 441 NGE_TRACE(("nge_free_bufs($%p)", (void *)ngep)); 442 443 nge_free_dma_mem(&ngep->recv->desc); 444 nge_free_dma_mem(&ngep->send->desc); 445 446 for (split = 0; split < ngep->nge_split; ++split) 447 nge_free_dma_mem(&ngep->send->buf[split]); 448 } 449 450 /* 451 * Clean up initialisation done above before the memory is freed 452 */ 453 static void 454 nge_fini_send_ring(nge_t *ngep) 455 { 456 uint32_t slot; 457 size_t dmah_num; 458 send_ring_t *srp; 459 sw_tx_sbd_t *ssbdp; 460 461 srp = ngep->send; 462 ssbdp = srp->sw_sbds; 463 464 NGE_TRACE(("nge_fini_send_ring($%p)", (void *)ngep)); 465 466 dmah_num = sizeof (srp->dmahndl) / sizeof (srp->dmahndl[0]); 467 468 for (slot = 0; slot < dmah_num; ++slot) { 469 if (srp->dmahndl[slot].hndl) { 470 (void) ddi_dma_unbind_handle(srp->dmahndl[slot].hndl); 471 ddi_dma_free_handle(&srp->dmahndl[slot].hndl); 472 srp->dmahndl[slot].hndl = NULL; 473 srp->dmahndl[slot].next = NULL; 474 } 475 } 476 477 srp->dmah_free.head = NULL; 478 srp->dmah_free.tail = NULL; 479 480 kmem_free(ssbdp, srp->desc.nslots*sizeof (*ssbdp)); 481 482 } 483 484 /* 485 * Initialise the specified Send Ring, using the information in the 486 * <dma_area> descriptors that it contains to set up all the other 487 * fields. This routine should be called only once for each ring. 488 */ 489 static int 490 nge_init_send_ring(nge_t *ngep) 491 { 492 size_t dmah_num; 493 uint32_t nslots; 494 uint32_t err; 495 uint32_t slot; 496 uint32_t split; 497 send_ring_t *srp; 498 sw_tx_sbd_t *ssbdp; 499 dma_area_t desc; 500 dma_area_t pbuf; 501 502 srp = ngep->send; 503 srp->desc.nslots = ngep->tx_desc; 504 nslots = srp->desc.nslots; 505 506 NGE_TRACE(("nge_init_send_ring($%p)", (void *)ngep)); 507 /* 508 * Other one-off initialisation of per-ring data 509 */ 510 srp->ngep = ngep; 511 512 /* 513 * Allocate the array of s/w Send Buffer Descriptors 514 */ 515 ssbdp = kmem_zalloc(nslots*sizeof (*ssbdp), KM_SLEEP); 516 srp->sw_sbds = ssbdp; 517 518 /* 519 * Now initialise each array element once and for all 520 */ 521 desc = srp->desc; 522 for (split = 0; split < ngep->nge_split; ++split) { 523 pbuf = srp->buf[split]; 524 for (slot = 0; slot < nslots/ngep->nge_split; ++ssbdp, ++slot) { 525 nge_slice_chunk(&ssbdp->desc, &desc, 1, 526 ngep->desc_attr.txd_size); 527 nge_slice_chunk(&ssbdp->pbuf, &pbuf, 1, 528 ngep->buf_size); 529 } 530 ASSERT(pbuf.alength == 0); 531 } 532 ASSERT(desc.alength == 0); 533 534 dmah_num = sizeof (srp->dmahndl) / sizeof (srp->dmahndl[0]); 535 536 /* preallocate dma handles for tx buffer */ 537 for (slot = 0; slot < dmah_num; ++slot) { 538 539 err = ddi_dma_alloc_handle(ngep->devinfo, 540 ngep->desc_attr.tx_dma_attr, DDI_DMA_DONTWAIT, 541 NULL, &srp->dmahndl[slot].hndl); 542 543 if (err != DDI_SUCCESS) { 544 nge_fini_send_ring(ngep); 545 nge_error(ngep, 546 "nge_init_send_ring: alloc dma handle fails"); 547 return (DDI_FAILURE); 548 } 549 srp->dmahndl[slot].next = srp->dmahndl + slot + 1; 550 } 551 552 srp->dmah_free.head = srp->dmahndl; 553 srp->dmah_free.tail = srp->dmahndl + dmah_num - 1; 554 srp->dmah_free.tail->next = NULL; 555 556 return (DDI_SUCCESS); 557 } 558 559 /* 560 * Intialize the tx recycle pointer and tx sending pointer of tx ring 561 * and set the type of tx's data descriptor by default. 562 */ 563 static void 564 nge_reinit_send_ring(nge_t *ngep) 565 { 566 size_t dmah_num; 567 uint32_t slot; 568 send_ring_t *srp; 569 sw_tx_sbd_t *ssbdp; 570 571 srp = ngep->send; 572 573 /* 574 * Reinitialise control variables ... 575 */ 576 577 srp->tx_hwmark = NGE_DESC_MIN; 578 srp->tx_lwmark = NGE_DESC_MIN; 579 580 srp->tx_next = 0; 581 srp->tx_free = srp->desc.nslots; 582 srp->tc_next = 0; 583 584 dmah_num = sizeof (srp->dmahndl) / sizeof (srp->dmahndl[0]); 585 586 for (slot = 0; slot - dmah_num != 0; ++slot) 587 srp->dmahndl[slot].next = srp->dmahndl + slot + 1; 588 589 srp->dmah_free.head = srp->dmahndl; 590 srp->dmah_free.tail = srp->dmahndl + dmah_num - 1; 591 srp->dmah_free.tail->next = NULL; 592 593 /* 594 * Zero and sync all the h/w Send Buffer Descriptors 595 */ 596 for (slot = 0; slot < srp->desc.nslots; ++slot) { 597 ssbdp = &srp->sw_sbds[slot]; 598 ssbdp->flags = HOST_OWN; 599 } 600 601 DMA_ZERO(srp->desc); 602 DMA_SYNC(srp->desc, DDI_DMA_SYNC_FORDEV); 603 } 604 605 /* 606 * Initialize the slot number of rx's ring 607 */ 608 static void 609 nge_init_recv_ring(nge_t *ngep) 610 { 611 recv_ring_t *rrp; 612 613 rrp = ngep->recv; 614 rrp->desc.nslots = ngep->rx_desc; 615 rrp->ngep = ngep; 616 } 617 618 /* 619 * Intialize the rx recycle pointer and rx sending pointer of rx ring 620 */ 621 static void 622 nge_reinit_recv_ring(nge_t *ngep) 623 { 624 recv_ring_t *rrp; 625 626 rrp = ngep->recv; 627 628 /* 629 * Reinitialise control variables ... 630 */ 631 rrp->prod_index = 0; 632 /* 633 * Zero and sync all the h/w Send Buffer Descriptors 634 */ 635 DMA_ZERO(rrp->desc); 636 DMA_SYNC(rrp->desc, DDI_DMA_SYNC_FORDEV); 637 } 638 639 /* 640 * Clean up initialisation done above before the memory is freed 641 */ 642 static void 643 nge_fini_buff_ring(nge_t *ngep) 644 { 645 uint32_t i; 646 buff_ring_t *brp; 647 dma_area_t *bufp; 648 sw_rx_sbd_t *bsbdp; 649 650 brp = ngep->buff; 651 bsbdp = brp->sw_rbds; 652 653 NGE_DEBUG(("nge_fini_buff_ring($%p)", (void *)ngep)); 654 655 mutex_enter(brp->recycle_lock); 656 brp->buf_sign++; 657 mutex_exit(brp->recycle_lock); 658 for (i = 0; i < ngep->rx_desc; i++, ++bsbdp) { 659 if (bsbdp->bufp) { 660 if (bsbdp->bufp->mp) 661 freemsg(bsbdp->bufp->mp); 662 nge_free_dma_mem(bsbdp->bufp); 663 kmem_free(bsbdp->bufp, sizeof (dma_area_t)); 664 bsbdp->bufp = NULL; 665 } 666 } 667 while (brp->free_list != NULL) { 668 bufp = brp->free_list; 669 brp->free_list = bufp->next; 670 bufp->next = NULL; 671 if (bufp->mp) 672 freemsg(bufp->mp); 673 nge_free_dma_mem(bufp); 674 kmem_free(bufp, sizeof (dma_area_t)); 675 } 676 while (brp->recycle_list != NULL) { 677 bufp = brp->recycle_list; 678 brp->recycle_list = bufp->next; 679 bufp->next = NULL; 680 if (bufp->mp) 681 freemsg(bufp->mp); 682 nge_free_dma_mem(bufp); 683 kmem_free(bufp, sizeof (dma_area_t)); 684 } 685 686 687 kmem_free(brp->sw_rbds, (ngep->rx_desc * sizeof (*bsbdp))); 688 brp->sw_rbds = NULL; 689 } 690 691 /* 692 * Intialize the Rx's data ring and free ring 693 */ 694 static int 695 nge_init_buff_ring(nge_t *ngep) 696 { 697 uint32_t err; 698 uint32_t slot; 699 uint32_t nslots_buff; 700 uint32_t nslots_recv; 701 buff_ring_t *brp; 702 recv_ring_t *rrp; 703 dma_area_t desc; 704 dma_area_t *bufp; 705 sw_rx_sbd_t *bsbdp; 706 707 rrp = ngep->recv; 708 brp = ngep->buff; 709 brp->nslots = ngep->rx_buf; 710 brp->rx_bcopy = B_FALSE; 711 nslots_recv = rrp->desc.nslots; 712 nslots_buff = brp->nslots; 713 brp->ngep = ngep; 714 715 NGE_TRACE(("nge_init_buff_ring($%p)", (void *)ngep)); 716 717 /* 718 * Allocate the array of s/w Recv Buffer Descriptors 719 */ 720 bsbdp = kmem_zalloc(nslots_recv *sizeof (*bsbdp), KM_SLEEP); 721 brp->sw_rbds = bsbdp; 722 brp->free_list = NULL; 723 brp->recycle_list = NULL; 724 for (slot = 0; slot < nslots_buff; ++slot) { 725 bufp = kmem_zalloc(sizeof (dma_area_t), KM_SLEEP); 726 err = nge_alloc_dma_mem(ngep, (ngep->buf_size 727 + NGE_HEADROOM), 728 &nge_data_accattr, DDI_DMA_READ | NGE_DMA_MODE, bufp); 729 if (err != DDI_SUCCESS) { 730 kmem_free(bufp, sizeof (dma_area_t)); 731 return (DDI_FAILURE); 732 } 733 734 bufp->alength -= NGE_HEADROOM; 735 bufp->offset += NGE_HEADROOM; 736 bufp->private = (caddr_t)ngep; 737 bufp->rx_recycle.free_func = nge_recv_recycle; 738 bufp->rx_recycle.free_arg = (caddr_t)bufp; 739 bufp->signature = brp->buf_sign; 740 bufp->rx_delivered = B_FALSE; 741 bufp->mp = desballoc(DMA_VPTR(*bufp), 742 ngep->buf_size + NGE_HEADROOM, 743 0, &bufp->rx_recycle); 744 745 if (bufp->mp == NULL) { 746 return (DDI_FAILURE); 747 } 748 bufp->next = brp->free_list; 749 brp->free_list = bufp; 750 } 751 752 /* 753 * Now initialise each array element once and for all 754 */ 755 desc = rrp->desc; 756 for (slot = 0; slot < nslots_recv; ++slot, ++bsbdp) { 757 nge_slice_chunk(&bsbdp->desc, &desc, 1, 758 ngep->desc_attr.rxd_size); 759 bufp = brp->free_list; 760 brp->free_list = bufp->next; 761 bsbdp->bufp = bufp; 762 bsbdp->flags = CONTROLER_OWN; 763 bufp->next = NULL; 764 } 765 766 ASSERT(desc.alength == 0); 767 return (DDI_SUCCESS); 768 } 769 770 /* 771 * Fill the host address of data in rx' descriptor 772 * and initialize free pointers of rx free ring 773 */ 774 static int 775 nge_reinit_buff_ring(nge_t *ngep) 776 { 777 uint32_t slot; 778 uint32_t nslots_recv; 779 buff_ring_t *brp; 780 recv_ring_t *rrp; 781 sw_rx_sbd_t *bsbdp; 782 void *hw_bd_p; 783 784 brp = ngep->buff; 785 rrp = ngep->recv; 786 bsbdp = brp->sw_rbds; 787 nslots_recv = rrp->desc.nslots; 788 for (slot = 0; slot < nslots_recv; ++bsbdp, ++slot) { 789 hw_bd_p = DMA_VPTR(bsbdp->desc); 790 /* 791 * There is a scenario: When the traffic of small tcp 792 * packet is heavy, suspending the tcp traffic will 793 * cause the preallocated buffers for rx not to be 794 * released in time by tcp taffic and cause rx's buffer 795 * pointers not to be refilled in time. 796 * 797 * At this point, if we reinitialize the driver, the bufp 798 * pointer for rx's traffic will be NULL. 799 * So the result of the reinitializion fails. 800 */ 801 if (bsbdp->bufp == NULL) 802 return (DDI_FAILURE); 803 804 ngep->desc_attr.rxd_fill(hw_bd_p, &bsbdp->bufp->cookie, 805 bsbdp->bufp->alength); 806 } 807 return (DDI_SUCCESS); 808 } 809 810 static void 811 nge_init_ring_param_lock(nge_t *ngep) 812 { 813 buff_ring_t *brp; 814 send_ring_t *srp; 815 816 srp = ngep->send; 817 brp = ngep->buff; 818 819 /* Init the locks for send ring */ 820 mutex_init(srp->tx_lock, NULL, MUTEX_DRIVER, 821 DDI_INTR_PRI(ngep->intr_pri)); 822 mutex_init(srp->tc_lock, NULL, MUTEX_DRIVER, 823 DDI_INTR_PRI(ngep->intr_pri)); 824 mutex_init(&srp->dmah_lock, NULL, MUTEX_DRIVER, 825 DDI_INTR_PRI(ngep->intr_pri)); 826 827 /* Init parameters of buffer ring */ 828 brp->free_list = NULL; 829 brp->recycle_list = NULL; 830 brp->rx_hold = 0; 831 brp->buf_sign = 0; 832 833 /* Init recycle list lock */ 834 mutex_init(brp->recycle_lock, NULL, MUTEX_DRIVER, 835 DDI_INTR_PRI(ngep->intr_pri)); 836 } 837 838 int 839 nge_init_rings(nge_t *ngep) 840 { 841 uint32_t err; 842 843 err = nge_init_send_ring(ngep); 844 if (err != DDI_SUCCESS) { 845 return (err); 846 } 847 nge_init_recv_ring(ngep); 848 849 err = nge_init_buff_ring(ngep); 850 if (err != DDI_SUCCESS) { 851 nge_fini_send_ring(ngep); 852 return (DDI_FAILURE); 853 } 854 855 return (err); 856 } 857 858 static int 859 nge_reinit_ring(nge_t *ngep) 860 { 861 int err; 862 863 nge_reinit_recv_ring(ngep); 864 nge_reinit_send_ring(ngep); 865 err = nge_reinit_buff_ring(ngep); 866 return (err); 867 } 868 869 870 void 871 nge_fini_rings(nge_t *ngep) 872 { 873 /* 874 * For receive ring, nothing need to be finished. 875 * So only finish buffer ring and send ring here. 876 */ 877 nge_fini_buff_ring(ngep); 878 nge_fini_send_ring(ngep); 879 } 880 881 /* 882 * Loopback ioctl code 883 */ 884 885 static lb_property_t loopmodes[] = { 886 { normal, "normal", NGE_LOOP_NONE }, 887 { external, "100Mbps", NGE_LOOP_EXTERNAL_100 }, 888 { external, "10Mbps", NGE_LOOP_EXTERNAL_10 }, 889 { internal, "PHY", NGE_LOOP_INTERNAL_PHY }, 890 }; 891 892 enum ioc_reply 893 nge_loop_ioctl(nge_t *ngep, mblk_t *mp, struct iocblk *iocp) 894 { 895 int cmd; 896 uint32_t *lbmp; 897 lb_info_sz_t *lbsp; 898 lb_property_t *lbpp; 899 900 /* 901 * Validate format of ioctl 902 */ 903 if (mp->b_cont == NULL) 904 return (IOC_INVAL); 905 906 cmd = iocp->ioc_cmd; 907 908 switch (cmd) { 909 default: 910 return (IOC_INVAL); 911 912 case LB_GET_INFO_SIZE: 913 if (iocp->ioc_count != sizeof (lb_info_sz_t)) 914 return (IOC_INVAL); 915 lbsp = (lb_info_sz_t *)mp->b_cont->b_rptr; 916 *lbsp = sizeof (loopmodes); 917 return (IOC_REPLY); 918 919 case LB_GET_INFO: 920 if (iocp->ioc_count != sizeof (loopmodes)) 921 return (IOC_INVAL); 922 lbpp = (lb_property_t *)mp->b_cont->b_rptr; 923 bcopy(loopmodes, lbpp, sizeof (loopmodes)); 924 return (IOC_REPLY); 925 926 case LB_GET_MODE: 927 if (iocp->ioc_count != sizeof (uint32_t)) 928 return (IOC_INVAL); 929 lbmp = (uint32_t *)mp->b_cont->b_rptr; 930 *lbmp = ngep->param_loop_mode; 931 return (IOC_REPLY); 932 933 case LB_SET_MODE: 934 if (iocp->ioc_count != sizeof (uint32_t)) 935 return (IOC_INVAL); 936 lbmp = (uint32_t *)mp->b_cont->b_rptr; 937 return (nge_set_loop_mode(ngep, *lbmp)); 938 } 939 } 940 941 #undef NGE_DBG 942 #define NGE_DBG NGE_DBG_NEMO 943 944 945 static void 946 nge_check_desc_prop(nge_t *ngep) 947 { 948 if (ngep->desc_mode != DESC_HOT && ngep->desc_mode != DESC_OFFLOAD) 949 ngep->desc_mode = DESC_HOT; 950 951 if (ngep->desc_mode == DESC_OFFLOAD) { 952 953 ngep->desc_attr = nge_sum_desc; 954 955 } else if (ngep->desc_mode == DESC_HOT) { 956 957 ngep->desc_attr = nge_hot_desc; 958 } 959 } 960 961 /* 962 * nge_get_props -- get the parameters to tune the driver 963 */ 964 static void 965 nge_get_props(nge_t *ngep) 966 { 967 chip_info_t *infop; 968 dev_info_t *devinfo; 969 nge_dev_spec_param_t *dev_param_p; 970 971 devinfo = ngep->devinfo; 972 infop = (chip_info_t *)&ngep->chipinfo; 973 dev_param_p = &ngep->dev_spec_param; 974 975 infop->clsize = ddi_prop_get_int(DDI_DEV_T_ANY, devinfo, 976 DDI_PROP_DONTPASS, clsize_propname, 32); 977 978 infop->latency = ddi_prop_get_int(DDI_DEV_T_ANY, devinfo, 979 DDI_PROP_DONTPASS, latency_propname, 64); 980 ngep->intr_moderation = ddi_prop_get_int(DDI_DEV_T_ANY, devinfo, 981 DDI_PROP_DONTPASS, intr_moderation, NGE_SET); 982 ngep->rx_datahwm = ddi_prop_get_int(DDI_DEV_T_ANY, devinfo, 983 DDI_PROP_DONTPASS, rx_data_hw, 0x20); 984 ngep->rx_prdlwm = ddi_prop_get_int(DDI_DEV_T_ANY, devinfo, 985 DDI_PROP_DONTPASS, rx_prd_lw, 0x4); 986 ngep->rx_prdhwm = ddi_prop_get_int(DDI_DEV_T_ANY, devinfo, 987 DDI_PROP_DONTPASS, rx_prd_hw, 0xc); 988 989 ngep->sw_intr_intv = ddi_prop_get_int(DDI_DEV_T_ANY, devinfo, 990 DDI_PROP_DONTPASS, sw_intr_intv, SWTR_ITC); 991 ngep->debug = ddi_prop_get_int(DDI_DEV_T_ANY, devinfo, 992 DDI_PROP_DONTPASS, debug_propname, NGE_DBG_CHIP); 993 ngep->desc_mode = ddi_prop_get_int(DDI_DEV_T_ANY, devinfo, 994 DDI_PROP_DONTPASS, nge_desc_mode, dev_param_p->desc_type); 995 ngep->lowmem_mode = ddi_prop_get_int(DDI_DEV_T_ANY, devinfo, 996 DDI_PROP_DONTPASS, low_memory_mode, 0); 997 998 if (dev_param_p->jumbo) { 999 ngep->default_mtu = ddi_prop_get_int(DDI_DEV_T_ANY, devinfo, 1000 DDI_PROP_DONTPASS, default_mtu, ETHERMTU); 1001 } else 1002 ngep->default_mtu = ETHERMTU; 1003 if (dev_param_p->tx_pause_frame) 1004 ngep->param_link_tx_pause = B_TRUE; 1005 else 1006 ngep->param_link_tx_pause = B_FALSE; 1007 1008 if (dev_param_p->rx_pause_frame) 1009 ngep->param_link_rx_pause = B_TRUE; 1010 else 1011 ngep->param_link_rx_pause = B_FALSE; 1012 1013 if (ngep->default_mtu > ETHERMTU && 1014 ngep->default_mtu <= NGE_MTU_2500) { 1015 ngep->buf_size = NGE_JB2500_BUFSZ; 1016 ngep->tx_desc = NGE_SEND_JB2500_SLOTS_DESC; 1017 ngep->rx_desc = NGE_RECV_JB2500_SLOTS_DESC; 1018 ngep->rx_buf = NGE_RECV_JB2500_SLOTS_DESC * 2; 1019 ngep->nge_split = NGE_SPLIT_256; 1020 } else if (ngep->default_mtu > NGE_MTU_2500 && 1021 ngep->default_mtu <= NGE_MTU_4500) { 1022 ngep->buf_size = NGE_JB4500_BUFSZ; 1023 ngep->tx_desc = NGE_SEND_JB4500_SLOTS_DESC; 1024 ngep->rx_desc = NGE_RECV_JB4500_SLOTS_DESC; 1025 ngep->rx_buf = NGE_RECV_JB4500_SLOTS_DESC * 2; 1026 ngep->nge_split = NGE_SPLIT_256; 1027 } else if (ngep->default_mtu > NGE_MTU_4500 && 1028 ngep->default_mtu <= NGE_MAX_MTU) { 1029 ngep->buf_size = NGE_JB9000_BUFSZ; 1030 ngep->tx_desc = NGE_SEND_JB9000_SLOTS_DESC; 1031 ngep->rx_desc = NGE_RECV_JB9000_SLOTS_DESC; 1032 ngep->rx_buf = NGE_RECV_JB9000_SLOTS_DESC * 2; 1033 ngep->nge_split = NGE_SPLIT_256; 1034 } else if (ngep->default_mtu > NGE_MAX_MTU) { 1035 ngep->default_mtu = NGE_MAX_MTU; 1036 ngep->buf_size = NGE_JB9000_BUFSZ; 1037 ngep->tx_desc = NGE_SEND_JB9000_SLOTS_DESC; 1038 ngep->rx_desc = NGE_RECV_JB9000_SLOTS_DESC; 1039 ngep->rx_buf = NGE_RECV_JB9000_SLOTS_DESC * 2; 1040 ngep->nge_split = NGE_SPLIT_256; 1041 } else if (ngep->lowmem_mode != 0) { 1042 ngep->default_mtu = ETHERMTU; 1043 ngep->buf_size = NGE_STD_BUFSZ; 1044 ngep->tx_desc = NGE_SEND_LOWMEM_SLOTS_DESC; 1045 ngep->rx_desc = NGE_RECV_LOWMEM_SLOTS_DESC; 1046 ngep->rx_buf = NGE_RECV_LOWMEM_SLOTS_DESC * 2; 1047 ngep->nge_split = NGE_SPLIT_32; 1048 } else { 1049 ngep->default_mtu = ETHERMTU; 1050 ngep->buf_size = NGE_STD_BUFSZ; 1051 ngep->tx_desc = dev_param_p->tx_desc_num; 1052 ngep->rx_desc = dev_param_p->rx_desc_num; 1053 ngep->rx_buf = dev_param_p->rx_desc_num * 2; 1054 ngep->nge_split = dev_param_p->nge_split; 1055 } 1056 1057 nge_check_desc_prop(ngep); 1058 } 1059 1060 1061 static int 1062 nge_reset_dev(nge_t *ngep) 1063 { 1064 int err; 1065 nge_mul_addr1 maddr1; 1066 nge_sw_statistics_t *sw_stp; 1067 sw_stp = &ngep->statistics.sw_statistics; 1068 send_ring_t *srp = ngep->send; 1069 1070 ASSERT(mutex_owned(ngep->genlock)); 1071 mutex_enter(srp->tc_lock); 1072 mutex_enter(srp->tx_lock); 1073 1074 nge_tx_recycle_all(ngep); 1075 err = nge_reinit_ring(ngep); 1076 if (err == DDI_FAILURE) { 1077 mutex_exit(srp->tx_lock); 1078 mutex_exit(srp->tc_lock); 1079 return (err); 1080 } 1081 err = nge_chip_reset(ngep); 1082 /* 1083 * Clear the Multicast mac address table 1084 */ 1085 nge_reg_put32(ngep, NGE_MUL_ADDR0, 0); 1086 maddr1.addr_val = nge_reg_get32(ngep, NGE_MUL_ADDR1); 1087 maddr1.addr_bits.addr = 0; 1088 nge_reg_put32(ngep, NGE_MUL_ADDR1, maddr1.addr_val); 1089 1090 mutex_exit(srp->tx_lock); 1091 mutex_exit(srp->tc_lock); 1092 if (err == DDI_FAILURE) 1093 return (err); 1094 ngep->watchdog = 0; 1095 ngep->resched_needed = B_FALSE; 1096 ngep->promisc = B_FALSE; 1097 ngep->param_loop_mode = NGE_LOOP_NONE; 1098 ngep->factotum_flag = 0; 1099 ngep->resched_needed = 0; 1100 ngep->nge_mac_state = NGE_MAC_RESET; 1101 ngep->max_sdu = ngep->default_mtu + ETHER_HEAD_LEN + ETHERFCSL; 1102 ngep->max_sdu += VTAG_SIZE; 1103 ngep->rx_def = 0x16; 1104 1105 /* Clear the software statistics */ 1106 sw_stp->recv_count = 0; 1107 sw_stp->xmit_count = 0; 1108 sw_stp->rbytes = 0; 1109 sw_stp->obytes = 0; 1110 1111 return (DDI_SUCCESS); 1112 } 1113 1114 static void 1115 nge_m_stop(void *arg) 1116 { 1117 nge_t *ngep = arg; /* private device info */ 1118 int err; 1119 1120 NGE_TRACE(("nge_m_stop($%p)", arg)); 1121 1122 /* 1123 * Just stop processing, then record new MAC state 1124 */ 1125 mutex_enter(ngep->genlock); 1126 /* If suspended, the adapter is already stopped, just return. */ 1127 if (ngep->suspended) { 1128 ASSERT(ngep->nge_mac_state == NGE_MAC_STOPPED); 1129 mutex_exit(ngep->genlock); 1130 return; 1131 } 1132 rw_enter(ngep->rwlock, RW_WRITER); 1133 1134 err = nge_chip_stop(ngep, B_FALSE); 1135 if (err == DDI_FAILURE) 1136 err = nge_chip_reset(ngep); 1137 if (err == DDI_FAILURE) 1138 nge_problem(ngep, "nge_m_stop: stop chip failed"); 1139 ngep->nge_mac_state = NGE_MAC_STOPPED; 1140 1141 /* Recycle all the TX BD */ 1142 nge_tx_recycle_all(ngep); 1143 nge_fini_rings(ngep); 1144 nge_free_bufs(ngep); 1145 1146 NGE_DEBUG(("nge_m_stop($%p) done", arg)); 1147 1148 rw_exit(ngep->rwlock); 1149 mutex_exit(ngep->genlock); 1150 } 1151 1152 static int 1153 nge_m_start(void *arg) 1154 { 1155 int err; 1156 nge_t *ngep = arg; 1157 1158 NGE_TRACE(("nge_m_start($%p)", arg)); 1159 1160 /* 1161 * Start processing and record new MAC state 1162 */ 1163 mutex_enter(ngep->genlock); 1164 /* 1165 * If suspended, don't start, as the resume processing 1166 * will recall this function with the suspended flag off. 1167 */ 1168 if (ngep->suspended) { 1169 mutex_exit(ngep->genlock); 1170 return (EIO); 1171 } 1172 rw_enter(ngep->rwlock, RW_WRITER); 1173 err = nge_alloc_bufs(ngep); 1174 if (err != DDI_SUCCESS) { 1175 nge_problem(ngep, "nge_m_start: DMA buffer allocation failed"); 1176 goto finish; 1177 } 1178 err = nge_init_rings(ngep); 1179 if (err != DDI_SUCCESS) { 1180 nge_free_bufs(ngep); 1181 nge_problem(ngep, "nge_init_rings() failed,err=%x", err); 1182 goto finish; 1183 } 1184 err = nge_restart(ngep); 1185 1186 NGE_DEBUG(("nge_m_start($%p) done", arg)); 1187 finish: 1188 rw_exit(ngep->rwlock); 1189 mutex_exit(ngep->genlock); 1190 1191 return (err == DDI_SUCCESS ? 0 : EIO); 1192 } 1193 1194 static int 1195 nge_m_unicst(void *arg, const uint8_t *macaddr) 1196 { 1197 nge_t *ngep = arg; 1198 1199 NGE_TRACE(("nge_m_unicst($%p)", arg)); 1200 /* 1201 * Remember the new current address in the driver state 1202 * Sync the chip's idea of the address too ... 1203 */ 1204 mutex_enter(ngep->genlock); 1205 1206 ethaddr_copy(macaddr, ngep->cur_uni_addr.addr); 1207 ngep->cur_uni_addr.set = 1; 1208 1209 /* 1210 * If we are suspended, we want to quit now, and not update 1211 * the chip. Doing so might put it in a bad state, but the 1212 * resume will get the unicast address installed. 1213 */ 1214 if (ngep->suspended) { 1215 mutex_exit(ngep->genlock); 1216 return (DDI_SUCCESS); 1217 } 1218 nge_chip_sync(ngep); 1219 1220 NGE_DEBUG(("nge_m_unicst($%p) done", arg)); 1221 mutex_exit(ngep->genlock); 1222 1223 return (0); 1224 } 1225 1226 static int 1227 nge_m_promisc(void *arg, boolean_t on) 1228 { 1229 nge_t *ngep = arg; 1230 1231 NGE_TRACE(("nge_m_promisc($%p)", arg)); 1232 1233 /* 1234 * Store specified mode and pass to chip layer to update h/w 1235 */ 1236 mutex_enter(ngep->genlock); 1237 /* 1238 * If suspended, there is no need to do anything, even 1239 * recording the promiscuious mode is not neccessary, as 1240 * it won't be properly set on resume. Just return failing. 1241 */ 1242 if (ngep->suspended) { 1243 mutex_exit(ngep->genlock); 1244 return (DDI_FAILURE); 1245 } 1246 if (ngep->promisc == on) { 1247 mutex_exit(ngep->genlock); 1248 NGE_DEBUG(("nge_m_promisc($%p) done", arg)); 1249 return (0); 1250 } 1251 ngep->promisc = on; 1252 ngep->record_promisc = ngep->promisc; 1253 nge_chip_sync(ngep); 1254 NGE_DEBUG(("nge_m_promisc($%p) done", arg)); 1255 mutex_exit(ngep->genlock); 1256 1257 return (0); 1258 } 1259 1260 static void nge_mulparam(nge_t *ngep) 1261 { 1262 uint8_t number; 1263 ether_addr_t pand; 1264 ether_addr_t por; 1265 mul_item *plist; 1266 1267 for (number = 0; number < ETHERADDRL; number++) { 1268 pand[number] = 0x00; 1269 por[number] = 0x00; 1270 } 1271 for (plist = ngep->pcur_mulist; plist != NULL; plist = plist->next) { 1272 for (number = 0; number < ETHERADDRL; number++) { 1273 pand[number] &= plist->mul_addr[number]; 1274 por[number] |= plist->mul_addr[number]; 1275 } 1276 } 1277 for (number = 0; number < ETHERADDRL; number++) { 1278 ngep->cur_mul_addr.addr[number] 1279 = pand[number] & por[number]; 1280 ngep->cur_mul_mask.addr[number] 1281 = pand [number] | (~por[number]); 1282 } 1283 } 1284 static int 1285 nge_m_multicst(void *arg, boolean_t add, const uint8_t *mca) 1286 { 1287 boolean_t update; 1288 boolean_t b_eq; 1289 nge_t *ngep = arg; 1290 mul_item *plist; 1291 mul_item *plist_prev; 1292 mul_item *pitem; 1293 1294 NGE_TRACE(("nge_m_multicst($%p, %s, %s)", arg, 1295 (add) ? "add" : "remove", ether_sprintf((void *)mca))); 1296 1297 update = B_FALSE; 1298 plist = plist_prev = NULL; 1299 mutex_enter(ngep->genlock); 1300 if (add) { 1301 if (ngep->pcur_mulist != NULL) { 1302 for (plist = ngep->pcur_mulist; plist != NULL; 1303 plist = plist->next) { 1304 b_eq = ether_eq(plist->mul_addr, mca); 1305 if (b_eq) { 1306 plist->ref_cnt++; 1307 break; 1308 } 1309 plist_prev = plist; 1310 } 1311 } 1312 1313 if (plist == NULL) { 1314 pitem = kmem_zalloc(sizeof (mul_item), KM_SLEEP); 1315 ether_copy(mca, pitem->mul_addr); 1316 pitem ->ref_cnt++; 1317 pitem ->next = NULL; 1318 if (plist_prev == NULL) 1319 ngep->pcur_mulist = pitem; 1320 else 1321 plist_prev->next = pitem; 1322 update = B_TRUE; 1323 } 1324 } else { 1325 if (ngep->pcur_mulist != NULL) { 1326 for (plist = ngep->pcur_mulist; plist != NULL; 1327 plist = plist->next) { 1328 b_eq = ether_eq(plist->mul_addr, mca); 1329 if (b_eq) { 1330 update = B_TRUE; 1331 break; 1332 } 1333 plist_prev = plist; 1334 } 1335 1336 if (update) { 1337 if ((plist_prev == NULL) && 1338 (plist->next == NULL)) 1339 ngep->pcur_mulist = NULL; 1340 else if ((plist_prev == NULL) && 1341 (plist->next != NULL)) 1342 ngep->pcur_mulist = plist->next; 1343 else 1344 plist_prev->next = plist->next; 1345 kmem_free(plist, sizeof (mul_item)); 1346 } 1347 } 1348 } 1349 1350 if (update && !ngep->suspended) { 1351 nge_mulparam(ngep); 1352 nge_chip_sync(ngep); 1353 } 1354 NGE_DEBUG(("nge_m_multicst($%p) done", arg)); 1355 mutex_exit(ngep->genlock); 1356 1357 return (0); 1358 } 1359 1360 static void 1361 nge_m_ioctl(void *arg, queue_t *wq, mblk_t *mp) 1362 { 1363 int err; 1364 int cmd; 1365 nge_t *ngep = arg; 1366 struct iocblk *iocp; 1367 enum ioc_reply status; 1368 boolean_t need_privilege; 1369 1370 /* 1371 * If suspended, we might actually be able to do some of 1372 * these ioctls, but it is harder to make sure they occur 1373 * without actually putting the hardware in an undesireable 1374 * state. So just NAK it. 1375 */ 1376 mutex_enter(ngep->genlock); 1377 if (ngep->suspended) { 1378 miocnak(wq, mp, 0, EINVAL); 1379 mutex_exit(ngep->genlock); 1380 return; 1381 } 1382 mutex_exit(ngep->genlock); 1383 1384 /* 1385 * Validate the command before bothering with the mutex ... 1386 */ 1387 iocp = (struct iocblk *)mp->b_rptr; 1388 iocp->ioc_error = 0; 1389 need_privilege = B_TRUE; 1390 cmd = iocp->ioc_cmd; 1391 1392 NGE_DEBUG(("nge_m_ioctl: cmd 0x%x", cmd)); 1393 switch (cmd) { 1394 default: 1395 NGE_LDB(NGE_DBG_BADIOC, 1396 ("nge_m_ioctl: unknown cmd 0x%x", cmd)); 1397 1398 miocnak(wq, mp, 0, EINVAL); 1399 return; 1400 1401 case NGE_MII_READ: 1402 case NGE_MII_WRITE: 1403 case NGE_SEE_READ: 1404 case NGE_SEE_WRITE: 1405 case NGE_DIAG: 1406 case NGE_PEEK: 1407 case NGE_POKE: 1408 case NGE_PHY_RESET: 1409 case NGE_SOFT_RESET: 1410 case NGE_HARD_RESET: 1411 break; 1412 1413 case LB_GET_INFO_SIZE: 1414 case LB_GET_INFO: 1415 case LB_GET_MODE: 1416 need_privilege = B_FALSE; 1417 break; 1418 case LB_SET_MODE: 1419 break; 1420 } 1421 1422 if (need_privilege) { 1423 /* 1424 * Check for specific net_config privilege. 1425 */ 1426 err = secpolicy_net_config(iocp->ioc_cr, B_FALSE); 1427 if (err != 0) { 1428 NGE_DEBUG(("nge_m_ioctl: rejected cmd 0x%x, err %d", 1429 cmd, err)); 1430 miocnak(wq, mp, 0, err); 1431 return; 1432 } 1433 } 1434 1435 mutex_enter(ngep->genlock); 1436 1437 switch (cmd) { 1438 default: 1439 _NOTE(NOTREACHED) 1440 status = IOC_INVAL; 1441 break; 1442 1443 case NGE_MII_READ: 1444 case NGE_MII_WRITE: 1445 case NGE_SEE_READ: 1446 case NGE_SEE_WRITE: 1447 case NGE_DIAG: 1448 case NGE_PEEK: 1449 case NGE_POKE: 1450 case NGE_PHY_RESET: 1451 case NGE_SOFT_RESET: 1452 case NGE_HARD_RESET: 1453 status = nge_chip_ioctl(ngep, mp, iocp); 1454 break; 1455 1456 case LB_GET_INFO_SIZE: 1457 case LB_GET_INFO: 1458 case LB_GET_MODE: 1459 case LB_SET_MODE: 1460 status = nge_loop_ioctl(ngep, mp, iocp); 1461 break; 1462 1463 } 1464 1465 /* 1466 * Do we need to reprogram the PHY and/or the MAC? 1467 * Do it now, while we still have the mutex. 1468 * 1469 * Note: update the PHY first, 'cos it controls the 1470 * speed/duplex parameters that the MAC code uses. 1471 */ 1472 1473 NGE_DEBUG(("nge_m_ioctl: cmd 0x%x status %d", cmd, status)); 1474 1475 switch (status) { 1476 case IOC_RESTART_REPLY: 1477 case IOC_RESTART_ACK: 1478 (*ngep->physops->phys_update)(ngep); 1479 nge_chip_sync(ngep); 1480 break; 1481 1482 default: 1483 break; 1484 } 1485 1486 mutex_exit(ngep->genlock); 1487 1488 /* 1489 * Finally, decide how to reply 1490 */ 1491 switch (status) { 1492 1493 default: 1494 case IOC_INVAL: 1495 miocnak(wq, mp, 0, iocp->ioc_error == 0 ? 1496 EINVAL : iocp->ioc_error); 1497 break; 1498 1499 case IOC_DONE: 1500 break; 1501 1502 case IOC_RESTART_ACK: 1503 case IOC_ACK: 1504 miocack(wq, mp, 0, 0); 1505 break; 1506 1507 case IOC_RESTART_REPLY: 1508 case IOC_REPLY: 1509 mp->b_datap->db_type = iocp->ioc_error == 0 ? 1510 M_IOCACK : M_IOCNAK; 1511 qreply(wq, mp); 1512 break; 1513 } 1514 } 1515 1516 static boolean_t 1517 nge_param_locked(mac_prop_id_t pr_num) 1518 { 1519 /* 1520 * All adv_* parameters are locked (read-only) while 1521 * the device is in any sort of loopback mode ... 1522 */ 1523 switch (pr_num) { 1524 case MAC_PROP_ADV_1000FDX_CAP: 1525 case MAC_PROP_EN_1000FDX_CAP: 1526 case MAC_PROP_ADV_1000HDX_CAP: 1527 case MAC_PROP_EN_1000HDX_CAP: 1528 case MAC_PROP_ADV_100FDX_CAP: 1529 case MAC_PROP_EN_100FDX_CAP: 1530 case MAC_PROP_ADV_100HDX_CAP: 1531 case MAC_PROP_EN_100HDX_CAP: 1532 case MAC_PROP_ADV_10FDX_CAP: 1533 case MAC_PROP_EN_10FDX_CAP: 1534 case MAC_PROP_ADV_10HDX_CAP: 1535 case MAC_PROP_EN_10HDX_CAP: 1536 case MAC_PROP_AUTONEG: 1537 case MAC_PROP_FLOWCTRL: 1538 return (B_TRUE); 1539 } 1540 return (B_FALSE); 1541 } 1542 1543 /* 1544 * callback functions for set/get of properties 1545 */ 1546 static int 1547 nge_m_setprop(void *barg, const char *pr_name, mac_prop_id_t pr_num, 1548 uint_t pr_valsize, const void *pr_val) 1549 { 1550 nge_t *ngep = barg; 1551 int err = 0; 1552 uint32_t cur_mtu, new_mtu; 1553 link_flowctrl_t fl; 1554 1555 mutex_enter(ngep->genlock); 1556 if (ngep->param_loop_mode != NGE_LOOP_NONE && 1557 nge_param_locked(pr_num)) { 1558 /* 1559 * All adv_* parameters are locked (read-only) 1560 * while the device is in any sort of loopback mode. 1561 */ 1562 mutex_exit(ngep->genlock); 1563 return (EBUSY); 1564 } 1565 switch (pr_num) { 1566 case MAC_PROP_EN_1000FDX_CAP: 1567 ngep->param_en_1000fdx = *(uint8_t *)pr_val; 1568 ngep->param_adv_1000fdx = *(uint8_t *)pr_val; 1569 goto reprogram; 1570 case MAC_PROP_EN_100FDX_CAP: 1571 ngep->param_en_100fdx = *(uint8_t *)pr_val; 1572 ngep->param_adv_100fdx = *(uint8_t *)pr_val; 1573 goto reprogram; 1574 case MAC_PROP_EN_100HDX_CAP: 1575 ngep->param_en_100hdx = *(uint8_t *)pr_val; 1576 ngep->param_adv_100hdx = *(uint8_t *)pr_val; 1577 goto reprogram; 1578 case MAC_PROP_EN_10FDX_CAP: 1579 ngep->param_en_10fdx = *(uint8_t *)pr_val; 1580 ngep->param_adv_10fdx = *(uint8_t *)pr_val; 1581 goto reprogram; 1582 case MAC_PROP_EN_10HDX_CAP: 1583 ngep->param_en_10hdx = *(uint8_t *)pr_val; 1584 ngep->param_adv_10hdx = *(uint8_t *)pr_val; 1585 reprogram: 1586 (*ngep->physops->phys_update)(ngep); 1587 nge_chip_sync(ngep); 1588 break; 1589 1590 case MAC_PROP_ADV_1000FDX_CAP: 1591 case MAC_PROP_ADV_1000HDX_CAP: 1592 case MAC_PROP_ADV_100FDX_CAP: 1593 case MAC_PROP_ADV_100HDX_CAP: 1594 case MAC_PROP_ADV_10FDX_CAP: 1595 case MAC_PROP_ADV_10HDX_CAP: 1596 case MAC_PROP_STATUS: 1597 case MAC_PROP_SPEED: 1598 case MAC_PROP_DUPLEX: 1599 case MAC_PROP_EN_1000HDX_CAP: 1600 err = ENOTSUP; /* read-only prop. Can't set this */ 1601 break; 1602 case MAC_PROP_AUTONEG: 1603 ngep->param_adv_autoneg = *(uint8_t *)pr_val; 1604 (*ngep->physops->phys_update)(ngep); 1605 nge_chip_sync(ngep); 1606 break; 1607 case MAC_PROP_MTU: 1608 cur_mtu = ngep->default_mtu; 1609 bcopy(pr_val, &new_mtu, sizeof (new_mtu)); 1610 if (new_mtu == cur_mtu) { 1611 err = 0; 1612 break; 1613 } 1614 if (new_mtu < ETHERMTU || 1615 new_mtu > NGE_MAX_MTU) { 1616 err = EINVAL; 1617 break; 1618 } 1619 if ((new_mtu > ETHERMTU) && 1620 (!ngep->dev_spec_param.jumbo)) { 1621 err = EINVAL; 1622 break; 1623 } 1624 if (ngep->nge_mac_state == NGE_MAC_STARTED) { 1625 err = EBUSY; 1626 break; 1627 } 1628 1629 ngep->default_mtu = new_mtu; 1630 if (ngep->default_mtu > ETHERMTU && 1631 ngep->default_mtu <= NGE_MTU_2500) { 1632 ngep->buf_size = NGE_JB2500_BUFSZ; 1633 ngep->tx_desc = NGE_SEND_JB2500_SLOTS_DESC; 1634 ngep->rx_desc = NGE_RECV_JB2500_SLOTS_DESC; 1635 ngep->rx_buf = NGE_RECV_JB2500_SLOTS_DESC * 2; 1636 ngep->nge_split = NGE_SPLIT_256; 1637 } else if (ngep->default_mtu > NGE_MTU_2500 && 1638 ngep->default_mtu <= NGE_MTU_4500) { 1639 ngep->buf_size = NGE_JB4500_BUFSZ; 1640 ngep->tx_desc = NGE_SEND_JB4500_SLOTS_DESC; 1641 ngep->rx_desc = NGE_RECV_JB4500_SLOTS_DESC; 1642 ngep->rx_buf = NGE_RECV_JB4500_SLOTS_DESC * 2; 1643 ngep->nge_split = NGE_SPLIT_256; 1644 } else if (ngep->default_mtu > NGE_MTU_4500 && 1645 ngep->default_mtu <= NGE_MAX_MTU) { 1646 ngep->buf_size = NGE_JB9000_BUFSZ; 1647 ngep->tx_desc = NGE_SEND_JB9000_SLOTS_DESC; 1648 ngep->rx_desc = NGE_RECV_JB9000_SLOTS_DESC; 1649 ngep->rx_buf = NGE_RECV_JB9000_SLOTS_DESC * 2; 1650 ngep->nge_split = NGE_SPLIT_256; 1651 } else if (ngep->default_mtu > NGE_MAX_MTU) { 1652 ngep->default_mtu = NGE_MAX_MTU; 1653 ngep->buf_size = NGE_JB9000_BUFSZ; 1654 ngep->tx_desc = NGE_SEND_JB9000_SLOTS_DESC; 1655 ngep->rx_desc = NGE_RECV_JB9000_SLOTS_DESC; 1656 ngep->rx_buf = NGE_RECV_JB9000_SLOTS_DESC * 2; 1657 ngep->nge_split = NGE_SPLIT_256; 1658 } else if (ngep->lowmem_mode != 0) { 1659 ngep->default_mtu = ETHERMTU; 1660 ngep->buf_size = NGE_STD_BUFSZ; 1661 ngep->tx_desc = NGE_SEND_LOWMEM_SLOTS_DESC; 1662 ngep->rx_desc = NGE_RECV_LOWMEM_SLOTS_DESC; 1663 ngep->rx_buf = NGE_RECV_LOWMEM_SLOTS_DESC * 2; 1664 ngep->nge_split = NGE_SPLIT_32; 1665 } else { 1666 ngep->default_mtu = ETHERMTU; 1667 ngep->buf_size = NGE_STD_BUFSZ; 1668 ngep->tx_desc = 1669 ngep->dev_spec_param.tx_desc_num; 1670 ngep->rx_desc = 1671 ngep->dev_spec_param.rx_desc_num; 1672 ngep->rx_buf = 1673 ngep->dev_spec_param.rx_desc_num * 2; 1674 ngep->nge_split = 1675 ngep->dev_spec_param.nge_split; 1676 } 1677 1678 err = mac_maxsdu_update(ngep->mh, ngep->default_mtu); 1679 1680 break; 1681 case MAC_PROP_FLOWCTRL: 1682 bcopy(pr_val, &fl, sizeof (fl)); 1683 switch (fl) { 1684 default: 1685 err = ENOTSUP; 1686 break; 1687 case LINK_FLOWCTRL_NONE: 1688 ngep->param_adv_pause = 0; 1689 ngep->param_adv_asym_pause = 0; 1690 1691 ngep->param_link_rx_pause = B_FALSE; 1692 ngep->param_link_tx_pause = B_FALSE; 1693 break; 1694 case LINK_FLOWCTRL_RX: 1695 if (!((ngep->param_lp_pause == 0) && 1696 (ngep->param_lp_asym_pause == 1))) { 1697 err = EINVAL; 1698 break; 1699 } 1700 ngep->param_adv_pause = 1; 1701 ngep->param_adv_asym_pause = 1; 1702 1703 ngep->param_link_rx_pause = B_TRUE; 1704 ngep->param_link_tx_pause = B_FALSE; 1705 break; 1706 case LINK_FLOWCTRL_TX: 1707 if (!((ngep->param_lp_pause == 1) && 1708 (ngep->param_lp_asym_pause == 1))) { 1709 err = EINVAL; 1710 break; 1711 } 1712 ngep->param_adv_pause = 0; 1713 ngep->param_adv_asym_pause = 1; 1714 1715 ngep->param_link_rx_pause = B_FALSE; 1716 ngep->param_link_tx_pause = B_TRUE; 1717 break; 1718 case LINK_FLOWCTRL_BI: 1719 if (ngep->param_lp_pause != 1) { 1720 err = EINVAL; 1721 break; 1722 } 1723 ngep->param_adv_pause = 1; 1724 1725 ngep->param_link_rx_pause = B_TRUE; 1726 ngep->param_link_tx_pause = B_TRUE; 1727 break; 1728 } 1729 1730 if (err == 0) { 1731 (*ngep->physops->phys_update)(ngep); 1732 nge_chip_sync(ngep); 1733 } 1734 1735 break; 1736 case MAC_PROP_PRIVATE: 1737 err = nge_set_priv_prop(ngep, pr_name, pr_valsize, 1738 pr_val); 1739 if (err == 0) { 1740 (*ngep->physops->phys_update)(ngep); 1741 nge_chip_sync(ngep); 1742 } 1743 break; 1744 default: 1745 err = ENOTSUP; 1746 } 1747 mutex_exit(ngep->genlock); 1748 return (err); 1749 } 1750 1751 static int 1752 nge_m_getprop(void *barg, const char *pr_name, mac_prop_id_t pr_num, 1753 uint_t pr_flags, uint_t pr_valsize, void *pr_val, uint_t *perm) 1754 { 1755 nge_t *ngep = barg; 1756 int err = 0; 1757 link_flowctrl_t fl; 1758 uint64_t speed; 1759 boolean_t is_default = (pr_flags & MAC_PROP_DEFAULT); 1760 1761 if (pr_valsize == 0) 1762 return (EINVAL); 1763 1764 *perm = MAC_PROP_PERM_RW; 1765 1766 bzero(pr_val, pr_valsize); 1767 1768 switch (pr_num) { 1769 case MAC_PROP_DUPLEX: 1770 *perm = MAC_PROP_PERM_READ; 1771 if (pr_valsize >= sizeof (link_duplex_t)) { 1772 bcopy(&ngep->param_link_duplex, pr_val, 1773 sizeof (link_duplex_t)); 1774 } else 1775 err = EINVAL; 1776 break; 1777 case MAC_PROP_SPEED: 1778 *perm = MAC_PROP_PERM_READ; 1779 if (pr_valsize >= sizeof (uint64_t)) { 1780 speed = ngep->param_link_speed * 1000000ull; 1781 bcopy(&speed, pr_val, sizeof (speed)); 1782 } else 1783 err = EINVAL; 1784 break; 1785 case MAC_PROP_AUTONEG: 1786 if (is_default) { 1787 *(uint8_t *)pr_val = 1; 1788 } else { 1789 *(uint8_t *)pr_val = ngep->param_adv_autoneg; 1790 } 1791 break; 1792 case MAC_PROP_FLOWCTRL: 1793 if (pr_valsize >= sizeof (link_flowctrl_t)) { 1794 if (pr_flags & MAC_PROP_DEFAULT) { 1795 fl = LINK_FLOWCTRL_BI; 1796 bcopy(&fl, pr_val, sizeof (fl)); 1797 break; 1798 } 1799 if (ngep->param_link_rx_pause && 1800 !ngep->param_link_tx_pause) 1801 fl = LINK_FLOWCTRL_RX; 1802 1803 if (!ngep->param_link_rx_pause && 1804 !ngep->param_link_tx_pause) 1805 fl = LINK_FLOWCTRL_NONE; 1806 1807 if (!ngep->param_link_rx_pause && 1808 ngep->param_link_tx_pause) 1809 fl = LINK_FLOWCTRL_TX; 1810 1811 if (ngep->param_link_rx_pause && 1812 ngep->param_link_tx_pause) 1813 fl = LINK_FLOWCTRL_BI; 1814 bcopy(&fl, pr_val, sizeof (fl)); 1815 } else 1816 err = EINVAL; 1817 break; 1818 case MAC_PROP_ADV_1000FDX_CAP: 1819 *perm = MAC_PROP_PERM_READ; 1820 if (is_default) { 1821 *(uint8_t *)pr_val = 1; 1822 } else { 1823 *(uint8_t *)pr_val = ngep->param_adv_1000fdx; 1824 } 1825 break; 1826 case MAC_PROP_EN_1000FDX_CAP: 1827 if (is_default) { 1828 *(uint8_t *)pr_val = 1; 1829 } else { 1830 *(uint8_t *)pr_val = ngep->param_en_1000fdx; 1831 } 1832 break; 1833 case MAC_PROP_ADV_1000HDX_CAP: 1834 *perm = MAC_PROP_PERM_READ; 1835 if (is_default) { 1836 *(uint8_t *)pr_val = 0; 1837 } else { 1838 *(uint8_t *)pr_val = ngep->param_adv_1000hdx; 1839 } 1840 break; 1841 case MAC_PROP_EN_1000HDX_CAP: 1842 *perm = MAC_PROP_PERM_READ; 1843 if (is_default) { 1844 *(uint8_t *)pr_val = 0; 1845 } else { 1846 *(uint8_t *)pr_val = ngep->param_en_1000hdx; 1847 } 1848 break; 1849 case MAC_PROP_ADV_100FDX_CAP: 1850 *perm = MAC_PROP_PERM_READ; 1851 if (is_default) { 1852 *(uint8_t *)pr_val = 1; 1853 } else { 1854 *(uint8_t *)pr_val = ngep->param_adv_100fdx; 1855 } 1856 break; 1857 case MAC_PROP_EN_100FDX_CAP: 1858 if (is_default) { 1859 *(uint8_t *)pr_val = 1; 1860 } else { 1861 *(uint8_t *)pr_val = ngep->param_en_100fdx; 1862 } 1863 break; 1864 case MAC_PROP_ADV_100HDX_CAP: 1865 *perm = MAC_PROP_PERM_READ; 1866 if (is_default) { 1867 *(uint8_t *)pr_val = 1; 1868 } else { 1869 *(uint8_t *)pr_val = ngep->param_adv_100hdx; 1870 } 1871 break; 1872 case MAC_PROP_EN_100HDX_CAP: 1873 if (is_default) { 1874 *(uint8_t *)pr_val = 1; 1875 } else { 1876 *(uint8_t *)pr_val = ngep->param_en_100hdx; 1877 } 1878 break; 1879 case MAC_PROP_ADV_10FDX_CAP: 1880 *perm = MAC_PROP_PERM_READ; 1881 if (is_default) { 1882 *(uint8_t *)pr_val = 1; 1883 } else { 1884 *(uint8_t *)pr_val = ngep->param_adv_10fdx; 1885 } 1886 break; 1887 case MAC_PROP_EN_10FDX_CAP: 1888 if (is_default) { 1889 *(uint8_t *)pr_val = 1; 1890 } else { 1891 *(uint8_t *)pr_val = ngep->param_en_10fdx; 1892 } 1893 break; 1894 case MAC_PROP_ADV_10HDX_CAP: 1895 *perm = MAC_PROP_PERM_READ; 1896 if (is_default) { 1897 *(uint8_t *)pr_val = 1; 1898 } else { 1899 *(uint8_t *)pr_val = ngep->param_adv_10hdx; 1900 } 1901 break; 1902 case MAC_PROP_EN_10HDX_CAP: 1903 if (is_default) { 1904 *(uint8_t *)pr_val = 1; 1905 } else { 1906 *(uint8_t *)pr_val = ngep->param_en_10hdx; 1907 } 1908 break; 1909 case MAC_PROP_ADV_100T4_CAP: 1910 case MAC_PROP_EN_100T4_CAP: 1911 *perm = MAC_PROP_PERM_READ; 1912 *(uint8_t *)pr_val = 0; 1913 break; 1914 case MAC_PROP_PRIVATE: 1915 err = nge_get_priv_prop(ngep, pr_name, pr_flags, 1916 pr_valsize, pr_val); 1917 break; 1918 case MAC_PROP_MTU: { 1919 mac_propval_range_t range; 1920 1921 if (!(pr_flags & MAC_PROP_POSSIBLE)) 1922 return (ENOTSUP); 1923 if (pr_valsize < sizeof (mac_propval_range_t)) 1924 return (EINVAL); 1925 range.mpr_count = 1; 1926 range.mpr_type = MAC_PROPVAL_UINT32; 1927 range.range_uint32[0].mpur_min = 1928 range.range_uint32[0].mpur_max = ETHERMTU; 1929 if (ngep->dev_spec_param.jumbo) 1930 range.range_uint32[0].mpur_max = NGE_MAX_MTU; 1931 bcopy(&range, pr_val, sizeof (range)); 1932 break; 1933 } 1934 default: 1935 err = ENOTSUP; 1936 } 1937 return (err); 1938 } 1939 1940 /* ARGSUSED */ 1941 static int 1942 nge_set_priv_prop(nge_t *ngep, const char *pr_name, uint_t pr_valsize, 1943 const void *pr_val) 1944 { 1945 int err = 0; 1946 long result; 1947 1948 if (strcmp(pr_name, "_tx_bcopy_threshold") == 0) { 1949 if (pr_val == NULL) { 1950 err = EINVAL; 1951 return (err); 1952 } 1953 (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); 1954 if (result < 0 || result > NGE_MAX_SDU) { 1955 err = EINVAL; 1956 } else { 1957 ngep->param_txbcopy_threshold = (uint32_t)result; 1958 goto reprogram; 1959 } 1960 return (err); 1961 } 1962 if (strcmp(pr_name, "_rx_bcopy_threshold") == 0) { 1963 if (pr_val == NULL) { 1964 err = EINVAL; 1965 return (err); 1966 } 1967 (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); 1968 if (result < 0 || result > NGE_MAX_SDU) { 1969 err = EINVAL; 1970 } else { 1971 ngep->param_rxbcopy_threshold = (uint32_t)result; 1972 goto reprogram; 1973 } 1974 return (err); 1975 } 1976 if (strcmp(pr_name, "_recv_max_packet") == 0) { 1977 if (pr_val == NULL) { 1978 err = EINVAL; 1979 return (err); 1980 } 1981 (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); 1982 if (result < 0 || result > NGE_RECV_SLOTS_DESC_1024) { 1983 err = EINVAL; 1984 } else { 1985 ngep->param_recv_max_packet = (uint32_t)result; 1986 goto reprogram; 1987 } 1988 return (err); 1989 } 1990 if (strcmp(pr_name, "_poll_quiet_time") == 0) { 1991 if (pr_val == NULL) { 1992 err = EINVAL; 1993 return (err); 1994 } 1995 (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); 1996 if (result < 0 || result > 10000) { 1997 err = EINVAL; 1998 } else { 1999 ngep->param_poll_quiet_time = (uint32_t)result; 2000 goto reprogram; 2001 } 2002 return (err); 2003 } 2004 if (strcmp(pr_name, "_poll_busy_time") == 0) { 2005 if (pr_val == NULL) { 2006 err = EINVAL; 2007 return (err); 2008 } 2009 (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); 2010 if (result < 0 || result > 10000) { 2011 err = EINVAL; 2012 } else { 2013 ngep->param_poll_busy_time = (uint32_t)result; 2014 goto reprogram; 2015 } 2016 return (err); 2017 } 2018 if (strcmp(pr_name, "_rx_intr_hwater") == 0) { 2019 if (pr_val == NULL) { 2020 err = EINVAL; 2021 return (err); 2022 } 2023 (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); 2024 if (result < 0 || result > NGE_RECV_SLOTS_DESC_1024) { 2025 err = EINVAL; 2026 } else { 2027 ngep->param_rx_intr_hwater = (uint32_t)result; 2028 goto reprogram; 2029 } 2030 return (err); 2031 } 2032 if (strcmp(pr_name, "_rx_intr_lwater") == 0) { 2033 if (pr_val == NULL) { 2034 err = EINVAL; 2035 return (err); 2036 } 2037 (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); 2038 if (result < 0 || result > NGE_RECV_SLOTS_DESC_1024) { 2039 err = EINVAL; 2040 } else { 2041 ngep->param_rx_intr_lwater = (uint32_t)result; 2042 goto reprogram; 2043 } 2044 return (err); 2045 } 2046 err = ENOTSUP; 2047 return (err); 2048 2049 reprogram: 2050 if (err == 0) { 2051 (*ngep->physops->phys_update)(ngep); 2052 nge_chip_sync(ngep); 2053 } 2054 2055 return (err); 2056 } 2057 2058 static int 2059 nge_get_priv_prop(nge_t *ngep, const char *pr_name, uint_t pr_flags, 2060 uint_t pr_valsize, void *pr_val) 2061 { 2062 int err = ENOTSUP; 2063 boolean_t is_default = (pr_flags & MAC_PROP_DEFAULT); 2064 int value; 2065 2066 if (strcmp(pr_name, "_tx_bcopy_threshold") == 0) { 2067 value = (is_default ? NGE_TX_COPY_SIZE : 2068 ngep->param_txbcopy_threshold); 2069 err = 0; 2070 goto done; 2071 } 2072 if (strcmp(pr_name, "_rx_bcopy_threshold") == 0) { 2073 value = (is_default ? NGE_RX_COPY_SIZE : 2074 ngep->param_rxbcopy_threshold); 2075 err = 0; 2076 goto done; 2077 } 2078 if (strcmp(pr_name, "_recv_max_packet") == 0) { 2079 value = (is_default ? 128 : ngep->param_recv_max_packet); 2080 err = 0; 2081 goto done; 2082 } 2083 if (strcmp(pr_name, "_poll_quiet_time") == 0) { 2084 value = (is_default ? NGE_POLL_QUIET_TIME : 2085 ngep->param_poll_quiet_time); 2086 err = 0; 2087 goto done; 2088 } 2089 if (strcmp(pr_name, "_poll_busy_time") == 0) { 2090 value = (is_default ? NGE_POLL_BUSY_TIME : 2091 ngep->param_poll_busy_time); 2092 err = 0; 2093 goto done; 2094 } 2095 if (strcmp(pr_name, "_rx_intr_hwater") == 0) { 2096 value = (is_default ? 1 : ngep->param_rx_intr_hwater); 2097 err = 0; 2098 goto done; 2099 } 2100 if (strcmp(pr_name, "_rx_intr_lwater") == 0) { 2101 value = (is_default ? 8 : ngep->param_rx_intr_lwater); 2102 err = 0; 2103 goto done; 2104 } 2105 2106 done: 2107 if (err == 0) { 2108 (void) snprintf(pr_val, pr_valsize, "%d", value); 2109 } 2110 return (err); 2111 } 2112 2113 /* ARGSUSED */ 2114 static boolean_t 2115 nge_m_getcapab(void *arg, mac_capab_t cap, void *cap_data) 2116 { 2117 nge_t *ngep = arg; 2118 nge_dev_spec_param_t *dev_param_p; 2119 2120 dev_param_p = &ngep->dev_spec_param; 2121 2122 switch (cap) { 2123 case MAC_CAPAB_HCKSUM: { 2124 uint32_t *hcksum_txflags = cap_data; 2125 2126 if (dev_param_p->tx_hw_checksum) { 2127 *hcksum_txflags = dev_param_p->tx_hw_checksum; 2128 } else 2129 return (B_FALSE); 2130 break; 2131 } 2132 default: 2133 return (B_FALSE); 2134 } 2135 return (B_TRUE); 2136 } 2137 2138 #undef NGE_DBG 2139 #define NGE_DBG NGE_DBG_INIT /* debug flag for this code */ 2140 int 2141 nge_restart(nge_t *ngep) 2142 { 2143 int err = 0; 2144 err = nge_reset_dev(ngep); 2145 /* write back the promisc setting */ 2146 ngep->promisc = ngep->record_promisc; 2147 nge_chip_sync(ngep); 2148 if (!err) 2149 err = nge_chip_start(ngep); 2150 2151 if (err) { 2152 ngep->nge_mac_state = NGE_MAC_STOPPED; 2153 return (DDI_FAILURE); 2154 } else { 2155 ngep->nge_mac_state = NGE_MAC_STARTED; 2156 return (DDI_SUCCESS); 2157 } 2158 } 2159 2160 void 2161 nge_wake_factotum(nge_t *ngep) 2162 { 2163 mutex_enter(ngep->softlock); 2164 if (ngep->factotum_flag == 0) { 2165 ngep->factotum_flag = 1; 2166 (void) ddi_intr_trigger_softint(ngep->factotum_hdl, NULL); 2167 } 2168 mutex_exit(ngep->softlock); 2169 } 2170 2171 void 2172 nge_interrupt_optimize(nge_t *ngep) 2173 { 2174 uint32_t tx_pkts; 2175 tx_pkts = ngep->statistics.sw_statistics.xmit_count - ngep->tpkts_last; 2176 ngep->tpkts_last = ngep->statistics.sw_statistics.xmit_count; 2177 if ((tx_pkts > NGE_POLL_TUNE) && 2178 (tx_pkts <= NGE_POLL_MAX)) 2179 ngep->tfint_threshold = (tx_pkts / NGE_POLL_ENTER); 2180 else 2181 ngep->tfint_threshold = NGE_TFINT_DEFAULT; 2182 } 2183 2184 /* 2185 * High-level cyclic handler 2186 * 2187 * This routine schedules a (low-level) softint callback to the 2188 * factotum. 2189 */ 2190 2191 static void 2192 nge_chip_cyclic(void *arg) 2193 { 2194 nge_t *ngep; 2195 2196 ngep = (nge_t *)arg; 2197 2198 switch (ngep->nge_chip_state) { 2199 default: 2200 return; 2201 2202 case NGE_CHIP_RUNNING: 2203 nge_interrupt_optimize(ngep); 2204 break; 2205 2206 case NGE_CHIP_FAULT: 2207 case NGE_CHIP_ERROR: 2208 break; 2209 } 2210 2211 nge_wake_factotum(ngep); 2212 } 2213 2214 /* 2215 * Get/Release semaphore of SMU 2216 * For SMU enabled chipset 2217 * When nge driver is attached, driver should acquire 2218 * semaphore before PHY init and accessing MAC registers. 2219 * When nge driver is unattached, driver should release 2220 * semaphore. 2221 */ 2222 2223 static int 2224 nge_smu_sema(nge_t *ngep, boolean_t acquire) 2225 { 2226 nge_tx_en tx_en; 2227 uint32_t tries; 2228 2229 if (acquire) { 2230 for (tries = 0; tries < 5; tries++) { 2231 tx_en.val = nge_reg_get32(ngep, NGE_TX_EN); 2232 if (tx_en.bits.smu2mac == NGE_SMU_FREE) 2233 break; 2234 delay(drv_usectohz(1000000)); 2235 } 2236 if (tx_en.bits.smu2mac != NGE_SMU_FREE) 2237 return (DDI_FAILURE); 2238 for (tries = 0; tries < 5; tries++) { 2239 tx_en.val = nge_reg_get32(ngep, NGE_TX_EN); 2240 tx_en.bits.mac2smu = NGE_SMU_GET; 2241 nge_reg_put32(ngep, NGE_TX_EN, tx_en.val); 2242 tx_en.val = nge_reg_get32(ngep, NGE_TX_EN); 2243 2244 if (tx_en.bits.mac2smu == NGE_SMU_GET && 2245 tx_en.bits.smu2mac == NGE_SMU_FREE) 2246 return (DDI_SUCCESS); 2247 drv_usecwait(10); 2248 } 2249 return (DDI_FAILURE); 2250 } else 2251 nge_reg_put32(ngep, NGE_TX_EN, 0x0); 2252 2253 return (DDI_SUCCESS); 2254 2255 } 2256 static void 2257 nge_unattach(nge_t *ngep) 2258 { 2259 send_ring_t *srp; 2260 buff_ring_t *brp; 2261 2262 srp = ngep->send; 2263 brp = ngep->buff; 2264 NGE_TRACE(("nge_unattach($%p)", (void *)ngep)); 2265 2266 /* 2267 * Flag that no more activity may be initiated 2268 */ 2269 ngep->progress &= ~PROGRESS_READY; 2270 ngep->nge_mac_state = NGE_MAC_UNATTACH; 2271 2272 /* 2273 * Quiesce the PHY and MAC (leave it reset but still powered). 2274 * Clean up and free all NGE data structures 2275 */ 2276 if (ngep->periodic_id != NULL) { 2277 ddi_periodic_delete(ngep->periodic_id); 2278 ngep->periodic_id = NULL; 2279 } 2280 2281 if (ngep->progress & PROGRESS_KSTATS) 2282 nge_fini_kstats(ngep); 2283 2284 if (ngep->progress & PROGRESS_HWINT) { 2285 mutex_enter(ngep->genlock); 2286 nge_restore_mac_addr(ngep); 2287 (void) nge_chip_stop(ngep, B_FALSE); 2288 if (ngep->chipinfo.device == DEVICE_ID_MCP55_373 || 2289 ngep->chipinfo.device == DEVICE_ID_MCP55_372) { 2290 (void) nge_smu_sema(ngep, B_FALSE); 2291 } 2292 mutex_exit(ngep->genlock); 2293 } 2294 2295 if (ngep->progress & PROGRESS_SWINT) 2296 nge_rem_intrs(ngep); 2297 2298 if (ngep->progress & PROGRESS_FACTOTUM) 2299 (void) ddi_intr_remove_softint(ngep->factotum_hdl); 2300 2301 if (ngep->progress & PROGRESS_RESCHED) 2302 (void) ddi_intr_remove_softint(ngep->resched_hdl); 2303 2304 if (ngep->progress & PROGRESS_INTR) { 2305 mutex_destroy(srp->tx_lock); 2306 mutex_destroy(srp->tc_lock); 2307 mutex_destroy(&srp->dmah_lock); 2308 mutex_destroy(brp->recycle_lock); 2309 2310 mutex_destroy(ngep->genlock); 2311 mutex_destroy(ngep->softlock); 2312 rw_destroy(ngep->rwlock); 2313 } 2314 2315 if (ngep->progress & PROGRESS_REGS) 2316 ddi_regs_map_free(&ngep->io_handle); 2317 2318 if (ngep->progress & PROGRESS_CFG) 2319 pci_config_teardown(&ngep->cfg_handle); 2320 2321 ddi_remove_minor_node(ngep->devinfo, NULL); 2322 2323 kmem_free(ngep, sizeof (*ngep)); 2324 } 2325 2326 static int 2327 nge_resume(dev_info_t *devinfo) 2328 { 2329 nge_t *ngep; 2330 chip_info_t *infop; 2331 int err; 2332 2333 ASSERT(devinfo != NULL); 2334 2335 ngep = ddi_get_driver_private(devinfo); 2336 err = 0; 2337 2338 /* 2339 * If there are state inconsistancies, this is bad. Returning 2340 * DDI_FAILURE here will eventually cause the machine to panic, 2341 * so it is best done here so that there is a possibility of 2342 * debugging the problem. 2343 */ 2344 if (ngep == NULL) 2345 cmn_err(CE_PANIC, 2346 "nge: ngep returned from ddi_get_driver_private was NULL"); 2347 infop = (chip_info_t *)&ngep->chipinfo; 2348 2349 if (ngep->devinfo != devinfo) 2350 cmn_err(CE_PANIC, 2351 "nge: passed devinfo not the same as saved devinfo"); 2352 2353 mutex_enter(ngep->genlock); 2354 rw_enter(ngep->rwlock, RW_WRITER); 2355 2356 /* 2357 * Fetch the config space. Even though we have most of it cached, 2358 * some values *might* change across a suspend/resume. 2359 */ 2360 nge_chip_cfg_init(ngep, infop, B_FALSE); 2361 2362 /* 2363 * Only in one case, this conditional branch can be executed: the port 2364 * hasn't been plumbed. 2365 */ 2366 if (ngep->suspended == B_FALSE) { 2367 rw_exit(ngep->rwlock); 2368 mutex_exit(ngep->genlock); 2369 return (DDI_SUCCESS); 2370 } 2371 2372 nge_tx_recycle_all(ngep); 2373 err = nge_reinit_ring(ngep); 2374 if (!err) { 2375 err = nge_chip_reset(ngep); 2376 if (!err) 2377 err = nge_chip_start(ngep); 2378 } 2379 2380 if (err) { 2381 /* 2382 * We note the failure, but return success, as the 2383 * system is still usable without this controller. 2384 */ 2385 cmn_err(CE_WARN, "nge: resume: failed to restart controller"); 2386 } else { 2387 ngep->nge_mac_state = NGE_MAC_STARTED; 2388 } 2389 ngep->suspended = B_FALSE; 2390 2391 rw_exit(ngep->rwlock); 2392 mutex_exit(ngep->genlock); 2393 2394 return (DDI_SUCCESS); 2395 } 2396 2397 /* 2398 * attach(9E) -- Attach a device to the system 2399 * 2400 * Called once for each board successfully probed. 2401 */ 2402 static int 2403 nge_attach(dev_info_t *devinfo, ddi_attach_cmd_t cmd) 2404 { 2405 int err; 2406 int i; 2407 int instance; 2408 caddr_t regs; 2409 nge_t *ngep; 2410 chip_info_t *infop; 2411 mac_register_t *macp; 2412 2413 switch (cmd) { 2414 default: 2415 return (DDI_FAILURE); 2416 2417 case DDI_RESUME: 2418 return (nge_resume(devinfo)); 2419 2420 case DDI_ATTACH: 2421 break; 2422 } 2423 2424 ngep = kmem_zalloc(sizeof (*ngep), KM_SLEEP); 2425 instance = ddi_get_instance(devinfo); 2426 ddi_set_driver_private(devinfo, ngep); 2427 ngep->devinfo = devinfo; 2428 2429 (void) snprintf(ngep->ifname, sizeof (ngep->ifname), "%s%d", 2430 NGE_DRIVER_NAME, instance); 2431 err = pci_config_setup(devinfo, &ngep->cfg_handle); 2432 if (err != DDI_SUCCESS) { 2433 nge_problem(ngep, "nge_attach: pci_config_setup() failed"); 2434 goto attach_fail; 2435 } 2436 /* 2437 * param_txbcopy_threshold and param_rxbcopy_threshold are tx/rx bcopy 2438 * thresholds. Bounds: min 0, max NGE_MAX_SDU 2439 */ 2440 ngep->param_txbcopy_threshold = NGE_TX_COPY_SIZE; 2441 ngep->param_rxbcopy_threshold = NGE_RX_COPY_SIZE; 2442 2443 /* 2444 * param_recv_max_packet is max packet received per interupt. 2445 * Bounds: min 0, max NGE_RECV_SLOTS_DESC_1024 2446 */ 2447 ngep->param_recv_max_packet = 128; 2448 2449 /* 2450 * param_poll_quiet_time and param_poll_busy_time are quiet/busy time 2451 * switch from per packet interrupt to polling interrupt. 2452 * Bounds: min 0, max 10000 2453 */ 2454 ngep->param_poll_quiet_time = NGE_POLL_QUIET_TIME; 2455 ngep->param_poll_busy_time = NGE_POLL_BUSY_TIME; 2456 ngep->tfint_threshold = NGE_TFINT_DEFAULT; 2457 ngep->poll = B_FALSE; 2458 ngep->ch_intr_mode = B_FALSE; 2459 2460 /* 2461 * param_rx_intr_hwater/param_rx_intr_lwater: ackets received 2462 * to trigger the poll_quiet_time/poll_busy_time counter. 2463 * Bounds: min 0, max NGE_RECV_SLOTS_DESC_1024. 2464 */ 2465 ngep->param_rx_intr_hwater = 1; 2466 ngep->param_rx_intr_lwater = 8; 2467 2468 2469 infop = (chip_info_t *)&ngep->chipinfo; 2470 nge_chip_cfg_init(ngep, infop, B_FALSE); 2471 nge_init_dev_spec_param(ngep); 2472 nge_get_props(ngep); 2473 ngep->progress |= PROGRESS_CFG; 2474 2475 err = ddi_regs_map_setup(devinfo, NGE_PCI_OPREGS_RNUMBER, 2476 ®s, 0, 0, &nge_reg_accattr, &ngep->io_handle); 2477 if (err != DDI_SUCCESS) { 2478 nge_problem(ngep, "nge_attach: ddi_regs_map_setup() failed"); 2479 goto attach_fail; 2480 } 2481 ngep->io_regs = regs; 2482 ngep->progress |= PROGRESS_REGS; 2483 2484 err = nge_register_intrs_and_init_locks(ngep); 2485 if (err != DDI_SUCCESS) { 2486 nge_problem(ngep, "nge_attach:" 2487 " register intrs and init locks failed"); 2488 goto attach_fail; 2489 } 2490 nge_init_ring_param_lock(ngep); 2491 ngep->progress |= PROGRESS_INTR; 2492 2493 mutex_enter(ngep->genlock); 2494 2495 if (ngep->chipinfo.device == DEVICE_ID_MCP55_373 || 2496 ngep->chipinfo.device == DEVICE_ID_MCP55_372) { 2497 err = nge_smu_sema(ngep, B_TRUE); 2498 if (err != DDI_SUCCESS) { 2499 nge_problem(ngep, "nge_attach: nge_smu_sema() failed"); 2500 goto attach_fail; 2501 } 2502 } 2503 /* 2504 * Initialise link state variables 2505 * Stop, reset & reinitialise the chip. 2506 * Initialise the (internal) PHY. 2507 */ 2508 nge_phys_init(ngep); 2509 ngep->nge_chip_state = NGE_CHIP_INITIAL; 2510 err = nge_chip_reset(ngep); 2511 if (err != DDI_SUCCESS) { 2512 nge_problem(ngep, "nge_attach: nge_chip_reset() failed"); 2513 mutex_exit(ngep->genlock); 2514 goto attach_fail; 2515 } 2516 nge_chip_sync(ngep); 2517 2518 /* 2519 * Now that mutex locks are initialized, enable interrupts. 2520 */ 2521 if (ngep->intr_cap & DDI_INTR_FLAG_BLOCK) { 2522 /* Call ddi_intr_block_enable() for MSI interrupts */ 2523 (void) ddi_intr_block_enable(ngep->htable, 2524 ngep->intr_actual_cnt); 2525 } else { 2526 /* Call ddi_intr_enable for MSI or FIXED interrupts */ 2527 for (i = 0; i < ngep->intr_actual_cnt; i++) { 2528 (void) ddi_intr_enable(ngep->htable[i]); 2529 } 2530 } 2531 2532 ngep->link_state = LINK_STATE_UNKNOWN; 2533 ngep->progress |= PROGRESS_HWINT; 2534 2535 /* 2536 * Register NDD-tweakable parameters 2537 */ 2538 if (nge_nd_init(ngep)) { 2539 nge_problem(ngep, "nge_attach: nge_nd_init() failed"); 2540 mutex_exit(ngep->genlock); 2541 goto attach_fail; 2542 } 2543 ngep->progress |= PROGRESS_NDD; 2544 2545 /* 2546 * Create & initialise named kstats 2547 */ 2548 nge_init_kstats(ngep, instance); 2549 ngep->progress |= PROGRESS_KSTATS; 2550 2551 mutex_exit(ngep->genlock); 2552 2553 if ((macp = mac_alloc(MAC_VERSION)) == NULL) 2554 goto attach_fail; 2555 macp->m_type_ident = MAC_PLUGIN_IDENT_ETHER; 2556 macp->m_driver = ngep; 2557 macp->m_dip = devinfo; 2558 macp->m_src_addr = infop->vendor_addr.addr; 2559 macp->m_callbacks = &nge_m_callbacks; 2560 macp->m_min_sdu = 0; 2561 macp->m_max_sdu = ngep->default_mtu; 2562 macp->m_margin = VTAG_SIZE; 2563 macp->m_priv_props = nge_priv_props; 2564 macp->m_priv_prop_count = NGE_MAX_PRIV_PROPS; 2565 /* 2566 * Finally, we're ready to register ourselves with the mac 2567 * interface; if this succeeds, we're all ready to start() 2568 */ 2569 err = mac_register(macp, &ngep->mh); 2570 mac_free(macp); 2571 if (err != 0) 2572 goto attach_fail; 2573 2574 /* 2575 * Register a periodical handler. 2576 * nge_chip_cyclic() is invoked in kernel context. 2577 */ 2578 ngep->periodic_id = ddi_periodic_add(nge_chip_cyclic, ngep, 2579 NGE_CYCLIC_PERIOD, DDI_IPL_0); 2580 2581 ngep->progress |= PROGRESS_READY; 2582 return (DDI_SUCCESS); 2583 2584 attach_fail: 2585 nge_unattach(ngep); 2586 return (DDI_FAILURE); 2587 } 2588 2589 static int 2590 nge_suspend(nge_t *ngep) 2591 { 2592 mutex_enter(ngep->genlock); 2593 rw_enter(ngep->rwlock, RW_WRITER); 2594 2595 /* if the port hasn't been plumbed, just return */ 2596 if (ngep->nge_mac_state != NGE_MAC_STARTED) { 2597 rw_exit(ngep->rwlock); 2598 mutex_exit(ngep->genlock); 2599 return (DDI_SUCCESS); 2600 } 2601 ngep->suspended = B_TRUE; 2602 (void) nge_chip_stop(ngep, B_FALSE); 2603 ngep->nge_mac_state = NGE_MAC_STOPPED; 2604 2605 rw_exit(ngep->rwlock); 2606 mutex_exit(ngep->genlock); 2607 return (DDI_SUCCESS); 2608 } 2609 2610 /* 2611 * detach(9E) -- Detach a device from the system 2612 */ 2613 static int 2614 nge_detach(dev_info_t *devinfo, ddi_detach_cmd_t cmd) 2615 { 2616 int i; 2617 nge_t *ngep; 2618 mul_item *p, *nextp; 2619 buff_ring_t *brp; 2620 2621 NGE_GTRACE(("nge_detach($%p, %d)", (void *)devinfo, cmd)); 2622 2623 ngep = ddi_get_driver_private(devinfo); 2624 brp = ngep->buff; 2625 2626 switch (cmd) { 2627 default: 2628 return (DDI_FAILURE); 2629 2630 case DDI_SUSPEND: 2631 /* 2632 * Stop the NIC 2633 * Note: This driver doesn't currently support WOL, but 2634 * should it in the future, it is important to 2635 * make sure the PHY remains powered so that the 2636 * wakeup packet can actually be recieved. 2637 */ 2638 return (nge_suspend(ngep)); 2639 2640 case DDI_DETACH: 2641 break; 2642 } 2643 2644 /* Try to wait all the buffer post to upper layer be released */ 2645 for (i = 0; i < 1000; i++) { 2646 if (brp->rx_hold == 0) 2647 break; 2648 drv_usecwait(1000); 2649 } 2650 2651 /* If there is any posted buffer, reject to detach */ 2652 if (brp->rx_hold != 0) 2653 return (DDI_FAILURE); 2654 2655 /* 2656 * Unregister from the GLD subsystem. This can fail, in 2657 * particular if there are DLPI style-2 streams still open - 2658 * in which case we just return failure without shutting 2659 * down chip operations. 2660 */ 2661 if (mac_unregister(ngep->mh) != DDI_SUCCESS) 2662 return (DDI_FAILURE); 2663 2664 /* 2665 * Recycle the multicast table. mac_unregister() should be called 2666 * before it to ensure the multicast table can be used even if 2667 * mac_unregister() fails. 2668 */ 2669 for (p = ngep->pcur_mulist; p != NULL; p = nextp) { 2670 nextp = p->next; 2671 kmem_free(p, sizeof (mul_item)); 2672 } 2673 ngep->pcur_mulist = NULL; 2674 2675 /* 2676 * All activity stopped, so we can clean up & exit 2677 */ 2678 nge_unattach(ngep); 2679 return (DDI_SUCCESS); 2680 } 2681 2682 /* 2683 * quiesce(9E) entry point. 2684 * 2685 * This function is called when the system is single-threaded at high 2686 * PIL with preemption disabled. Therefore, this function must not be 2687 * blocked. 2688 * 2689 * This function returns DDI_SUCCESS on success, or DDI_FAILURE on failure. 2690 * DDI_FAILURE indicates an error condition and should almost never happen. 2691 */ 2692 static int 2693 nge_quiesce(dev_info_t *devinfo) 2694 { 2695 nge_t *ngep; 2696 2697 ngep = ddi_get_driver_private(devinfo); 2698 2699 if (ngep == NULL) 2700 return (DDI_FAILURE); 2701 2702 /* 2703 * Turn off debug tracing 2704 */ 2705 nge_debug = 0; 2706 ngep->debug = 0; 2707 2708 nge_restore_mac_addr(ngep); 2709 (void) nge_chip_stop(ngep, B_FALSE); 2710 2711 return (DDI_SUCCESS); 2712 } 2713 2714 2715 2716 /* 2717 * ========== Module Loading Data & Entry Points ========== 2718 */ 2719 2720 DDI_DEFINE_STREAM_OPS(nge_dev_ops, nulldev, nulldev, nge_attach, nge_detach, 2721 NULL, NULL, D_MP, NULL, nge_quiesce); 2722 2723 2724 static struct modldrv nge_modldrv = { 2725 &mod_driverops, /* Type of module. This one is a driver */ 2726 nge_ident, /* short description */ 2727 &nge_dev_ops /* driver specific ops */ 2728 }; 2729 2730 static struct modlinkage modlinkage = { 2731 MODREV_1, (void *)&nge_modldrv, NULL 2732 }; 2733 2734 2735 int 2736 _info(struct modinfo *modinfop) 2737 { 2738 return (mod_info(&modlinkage, modinfop)); 2739 } 2740 2741 int 2742 _init(void) 2743 { 2744 int status; 2745 2746 mac_init_ops(&nge_dev_ops, "nge"); 2747 status = mod_install(&modlinkage); 2748 if (status != DDI_SUCCESS) 2749 mac_fini_ops(&nge_dev_ops); 2750 else 2751 mutex_init(nge_log_mutex, NULL, MUTEX_DRIVER, NULL); 2752 2753 return (status); 2754 } 2755 2756 int 2757 _fini(void) 2758 { 2759 int status; 2760 2761 status = mod_remove(&modlinkage); 2762 if (status == DDI_SUCCESS) { 2763 mac_fini_ops(&nge_dev_ops); 2764 mutex_destroy(nge_log_mutex); 2765 } 2766 2767 return (status); 2768 } 2769 2770 /* 2771 * ============ Init MSI/Fixed/SoftInterrupt routines ============== 2772 */ 2773 2774 /* 2775 * Register interrupts and initialize each mutex and condition variables 2776 */ 2777 2778 static int 2779 nge_register_intrs_and_init_locks(nge_t *ngep) 2780 { 2781 int err; 2782 int intr_types; 2783 uint_t soft_prip; 2784 nge_msi_mask msi_mask; 2785 nge_msi_map0_vec map0_vec; 2786 nge_msi_map1_vec map1_vec; 2787 2788 /* 2789 * Add the softint handlers: 2790 * 2791 * Both of these handlers are used to avoid restrictions on the 2792 * context and/or mutexes required for some operations. In 2793 * particular, the hardware interrupt handler and its subfunctions 2794 * can detect a number of conditions that we don't want to handle 2795 * in that context or with that set of mutexes held. So, these 2796 * softints are triggered instead: 2797 * 2798 * the <resched> softint is triggered if if we have previously 2799 * had to refuse to send a packet because of resource shortage 2800 * (we've run out of transmit buffers), but the send completion 2801 * interrupt handler has now detected that more buffers have 2802 * become available. Its only purpose is to call gld_sched() 2803 * to retry the pending transmits (we're not allowed to hold 2804 * driver-defined mutexes across gld_sched()). 2805 * 2806 * the <factotum> is triggered if the h/w interrupt handler 2807 * sees the <link state changed> or <error> bits in the status 2808 * block. It's also triggered periodically to poll the link 2809 * state, just in case we aren't getting link status change 2810 * interrupts ... 2811 */ 2812 err = ddi_intr_add_softint(ngep->devinfo, &ngep->resched_hdl, 2813 DDI_INTR_SOFTPRI_MIN, nge_reschedule, (caddr_t)ngep); 2814 if (err != DDI_SUCCESS) { 2815 nge_problem(ngep, 2816 "nge_attach: add nge_reschedule softintr failed"); 2817 2818 return (DDI_FAILURE); 2819 } 2820 ngep->progress |= PROGRESS_RESCHED; 2821 err = ddi_intr_add_softint(ngep->devinfo, &ngep->factotum_hdl, 2822 DDI_INTR_SOFTPRI_MIN, nge_chip_factotum, (caddr_t)ngep); 2823 if (err != DDI_SUCCESS) { 2824 nge_problem(ngep, 2825 "nge_attach: add nge_chip_factotum softintr failed!"); 2826 2827 return (DDI_FAILURE); 2828 } 2829 if (ddi_intr_get_softint_pri(ngep->factotum_hdl, &soft_prip) 2830 != DDI_SUCCESS) { 2831 nge_problem(ngep, "nge_attach: get softintr priority failed\n"); 2832 2833 return (DDI_FAILURE); 2834 } 2835 ngep->soft_pri = soft_prip; 2836 2837 ngep->progress |= PROGRESS_FACTOTUM; 2838 /* Get supported interrupt types */ 2839 if (ddi_intr_get_supported_types(ngep->devinfo, &intr_types) 2840 != DDI_SUCCESS) { 2841 nge_error(ngep, "ddi_intr_get_supported_types failed\n"); 2842 2843 return (DDI_FAILURE); 2844 } 2845 2846 NGE_DEBUG(("ddi_intr_get_supported_types() returned: %x", 2847 intr_types)); 2848 2849 if ((intr_types & DDI_INTR_TYPE_MSI) && nge_enable_msi) { 2850 2851 /* MSI Configurations for mcp55 chipset */ 2852 if (ngep->chipinfo.device == DEVICE_ID_MCP55_373 || 2853 ngep->chipinfo.device == DEVICE_ID_MCP55_372) { 2854 2855 2856 /* Enable the 8 vectors */ 2857 msi_mask.msi_mask_val = 2858 nge_reg_get32(ngep, NGE_MSI_MASK); 2859 msi_mask.msi_msk_bits.vec0 = NGE_SET; 2860 msi_mask.msi_msk_bits.vec1 = NGE_SET; 2861 msi_mask.msi_msk_bits.vec2 = NGE_SET; 2862 msi_mask.msi_msk_bits.vec3 = NGE_SET; 2863 msi_mask.msi_msk_bits.vec4 = NGE_SET; 2864 msi_mask.msi_msk_bits.vec5 = NGE_SET; 2865 msi_mask.msi_msk_bits.vec6 = NGE_SET; 2866 msi_mask.msi_msk_bits.vec7 = NGE_SET; 2867 nge_reg_put32(ngep, NGE_MSI_MASK, 2868 msi_mask.msi_mask_val); 2869 2870 /* 2871 * Remapping the MSI MAP0 and MAP1. MCP55 2872 * is default mapping all the interrupt to 0 vector. 2873 * Software needs to remapping this. 2874 * This mapping is same as CK804. 2875 */ 2876 map0_vec.msi_map0_val = 2877 nge_reg_get32(ngep, NGE_MSI_MAP0); 2878 map1_vec.msi_map1_val = 2879 nge_reg_get32(ngep, NGE_MSI_MAP1); 2880 map0_vec.vecs_bits.reint_vec = 0; 2881 map0_vec.vecs_bits.rcint_vec = 0; 2882 map0_vec.vecs_bits.miss_vec = 3; 2883 map0_vec.vecs_bits.teint_vec = 5; 2884 map0_vec.vecs_bits.tcint_vec = 5; 2885 map0_vec.vecs_bits.stint_vec = 2; 2886 map0_vec.vecs_bits.mint_vec = 6; 2887 map0_vec.vecs_bits.rfint_vec = 0; 2888 map1_vec.vecs_bits.tfint_vec = 5; 2889 map1_vec.vecs_bits.feint_vec = 6; 2890 map1_vec.vecs_bits.resv8_11 = 3; 2891 map1_vec.vecs_bits.resv12_15 = 1; 2892 map1_vec.vecs_bits.resv16_19 = 0; 2893 map1_vec.vecs_bits.resv20_23 = 7; 2894 map1_vec.vecs_bits.resv24_31 = 0xff; 2895 nge_reg_put32(ngep, NGE_MSI_MAP0, 2896 map0_vec.msi_map0_val); 2897 nge_reg_put32(ngep, NGE_MSI_MAP1, 2898 map1_vec.msi_map1_val); 2899 } 2900 if (nge_add_intrs(ngep, DDI_INTR_TYPE_MSI) != DDI_SUCCESS) { 2901 NGE_DEBUG(("MSI registration failed, " 2902 "trying FIXED interrupt type\n")); 2903 } else { 2904 nge_log(ngep, "Using MSI interrupt type\n"); 2905 2906 ngep->intr_type = DDI_INTR_TYPE_MSI; 2907 ngep->progress |= PROGRESS_SWINT; 2908 } 2909 } 2910 2911 if (!(ngep->progress & PROGRESS_SWINT) && 2912 (intr_types & DDI_INTR_TYPE_FIXED)) { 2913 if (nge_add_intrs(ngep, DDI_INTR_TYPE_FIXED) != DDI_SUCCESS) { 2914 nge_error(ngep, "FIXED interrupt " 2915 "registration failed\n"); 2916 2917 return (DDI_FAILURE); 2918 } 2919 2920 nge_log(ngep, "Using FIXED interrupt type\n"); 2921 2922 ngep->intr_type = DDI_INTR_TYPE_FIXED; 2923 ngep->progress |= PROGRESS_SWINT; 2924 } 2925 2926 2927 if (!(ngep->progress & PROGRESS_SWINT)) { 2928 nge_error(ngep, "No interrupts registered\n"); 2929 2930 return (DDI_FAILURE); 2931 } 2932 mutex_init(ngep->genlock, NULL, MUTEX_DRIVER, 2933 DDI_INTR_PRI(ngep->intr_pri)); 2934 mutex_init(ngep->softlock, NULL, MUTEX_DRIVER, 2935 DDI_INTR_PRI(ngep->soft_pri)); 2936 rw_init(ngep->rwlock, NULL, RW_DRIVER, 2937 DDI_INTR_PRI(ngep->intr_pri)); 2938 2939 return (DDI_SUCCESS); 2940 } 2941 2942 /* 2943 * nge_add_intrs: 2944 * 2945 * Register FIXED or MSI interrupts. 2946 */ 2947 static int 2948 nge_add_intrs(nge_t *ngep, int intr_type) 2949 { 2950 dev_info_t *dip = ngep->devinfo; 2951 int avail, actual, intr_size, count = 0; 2952 int i, flag, ret; 2953 2954 NGE_DEBUG(("nge_add_intrs: interrupt type 0x%x\n", intr_type)); 2955 2956 /* Get number of interrupts */ 2957 ret = ddi_intr_get_nintrs(dip, intr_type, &count); 2958 if ((ret != DDI_SUCCESS) || (count == 0)) { 2959 nge_error(ngep, "ddi_intr_get_nintrs() failure, ret: %d, " 2960 "count: %d", ret, count); 2961 2962 return (DDI_FAILURE); 2963 } 2964 2965 /* Get number of available interrupts */ 2966 ret = ddi_intr_get_navail(dip, intr_type, &avail); 2967 if ((ret != DDI_SUCCESS) || (avail == 0)) { 2968 nge_error(ngep, "ddi_intr_get_navail() failure, " 2969 "ret: %d, avail: %d\n", ret, avail); 2970 2971 return (DDI_FAILURE); 2972 } 2973 2974 if (avail < count) { 2975 NGE_DEBUG(("nitrs() returned %d, navail returned %d\n", 2976 count, avail)); 2977 } 2978 flag = DDI_INTR_ALLOC_NORMAL; 2979 2980 /* Allocate an array of interrupt handles */ 2981 intr_size = count * sizeof (ddi_intr_handle_t); 2982 ngep->htable = kmem_alloc(intr_size, KM_SLEEP); 2983 2984 /* Call ddi_intr_alloc() */ 2985 ret = ddi_intr_alloc(dip, ngep->htable, intr_type, 0, 2986 count, &actual, flag); 2987 2988 if ((ret != DDI_SUCCESS) || (actual == 0)) { 2989 nge_error(ngep, "ddi_intr_alloc() failed %d\n", ret); 2990 2991 kmem_free(ngep->htable, intr_size); 2992 return (DDI_FAILURE); 2993 } 2994 2995 if (actual < count) { 2996 NGE_DEBUG(("Requested: %d, Received: %d\n", 2997 count, actual)); 2998 } 2999 3000 ngep->intr_actual_cnt = actual; 3001 ngep->intr_req_cnt = count; 3002 3003 /* 3004 * Get priority for first msi, assume remaining are all the same 3005 */ 3006 if ((ret = ddi_intr_get_pri(ngep->htable[0], &ngep->intr_pri)) != 3007 DDI_SUCCESS) { 3008 nge_error(ngep, "ddi_intr_get_pri() failed %d\n", ret); 3009 3010 /* Free already allocated intr */ 3011 for (i = 0; i < actual; i++) { 3012 (void) ddi_intr_free(ngep->htable[i]); 3013 } 3014 3015 kmem_free(ngep->htable, intr_size); 3016 3017 return (DDI_FAILURE); 3018 } 3019 /* Test for high level mutex */ 3020 if (ngep->intr_pri >= ddi_intr_get_hilevel_pri()) { 3021 nge_error(ngep, "nge_add_intrs:" 3022 "Hi level interrupt not supported"); 3023 3024 for (i = 0; i < actual; i++) 3025 (void) ddi_intr_free(ngep->htable[i]); 3026 3027 kmem_free(ngep->htable, intr_size); 3028 3029 return (DDI_FAILURE); 3030 } 3031 3032 3033 /* Call ddi_intr_add_handler() */ 3034 for (i = 0; i < actual; i++) { 3035 if ((ret = ddi_intr_add_handler(ngep->htable[i], nge_chip_intr, 3036 (caddr_t)ngep, (caddr_t)(uintptr_t)i)) != DDI_SUCCESS) { 3037 nge_error(ngep, "ddi_intr_add_handler() " 3038 "failed %d\n", ret); 3039 3040 /* Free already allocated intr */ 3041 for (i = 0; i < actual; i++) { 3042 (void) ddi_intr_free(ngep->htable[i]); 3043 } 3044 3045 kmem_free(ngep->htable, intr_size); 3046 3047 return (DDI_FAILURE); 3048 } 3049 } 3050 3051 if ((ret = ddi_intr_get_cap(ngep->htable[0], &ngep->intr_cap)) 3052 != DDI_SUCCESS) { 3053 nge_error(ngep, "ddi_intr_get_cap() failed %d\n", ret); 3054 3055 for (i = 0; i < actual; i++) { 3056 (void) ddi_intr_remove_handler(ngep->htable[i]); 3057 (void) ddi_intr_free(ngep->htable[i]); 3058 } 3059 3060 kmem_free(ngep->htable, intr_size); 3061 3062 return (DDI_FAILURE); 3063 } 3064 3065 return (DDI_SUCCESS); 3066 } 3067 3068 /* 3069 * nge_rem_intrs: 3070 * 3071 * Unregister FIXED or MSI interrupts 3072 */ 3073 static void 3074 nge_rem_intrs(nge_t *ngep) 3075 { 3076 int i; 3077 3078 NGE_DEBUG(("nge_rem_intrs\n")); 3079 3080 /* Disable all interrupts */ 3081 if (ngep->intr_cap & DDI_INTR_FLAG_BLOCK) { 3082 /* Call ddi_intr_block_disable() */ 3083 (void) ddi_intr_block_disable(ngep->htable, 3084 ngep->intr_actual_cnt); 3085 } else { 3086 for (i = 0; i < ngep->intr_actual_cnt; i++) { 3087 (void) ddi_intr_disable(ngep->htable[i]); 3088 } 3089 } 3090 3091 /* Call ddi_intr_remove_handler() */ 3092 for (i = 0; i < ngep->intr_actual_cnt; i++) { 3093 (void) ddi_intr_remove_handler(ngep->htable[i]); 3094 (void) ddi_intr_free(ngep->htable[i]); 3095 } 3096 3097 kmem_free(ngep->htable, 3098 ngep->intr_req_cnt * sizeof (ddi_intr_handle_t)); 3099 } 3100
Indexes created Wed Nov 25 19:14:01 UTC 2009
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