if_txp.c revision 1.58
1 /* $NetBSD: if_txp.c,v 1.58 2019/06/20 15:25:28 msaitoh Exp $ */ 2 3 /* 4 * Copyright (c) 2001 5 * Jason L. Wright <jason (at) thought.net>, Theo de Raadt, and 6 * Aaron Campbell <aaron (at) monkey.org>. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR THE VOICES IN THEIR HEADS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27 * THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /* 31 * Driver for 3c990 (Typhoon) Ethernet ASIC 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: if_txp.c,v 1.58 2019/06/20 15:25:28 msaitoh Exp $"); 36 37 #include "opt_inet.h" 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/sockio.h> 42 #include <sys/mbuf.h> 43 #include <sys/malloc.h> 44 #include <sys/kernel.h> 45 #include <sys/socket.h> 46 #include <sys/device.h> 47 #include <sys/callout.h> 48 #include <sys/bus.h> 49 50 #include <net/if.h> 51 #include <net/if_dl.h> 52 #include <net/if_types.h> 53 #include <net/if_ether.h> 54 #include <net/if_arp.h> 55 #include <net/if_media.h> 56 #include <net/bpf.h> 57 58 #ifdef INET 59 #include <netinet/in.h> 60 #include <netinet/in_systm.h> 61 #include <netinet/in_var.h> 62 #include <netinet/ip.h> 63 #include <netinet/if_inarp.h> 64 #endif 65 66 #include <dev/mii/mii.h> 67 #include <dev/mii/miivar.h> 68 #include <dev/pci/pcireg.h> 69 #include <dev/pci/pcivar.h> 70 #include <dev/pci/pcidevs.h> 71 72 #include <dev/pci/if_txpreg.h> 73 74 #include <dev/microcode/typhoon/3c990img.h> 75 76 /* 77 * These currently break the 3c990 firmware, hopefully will be resolved 78 * at some point. 79 */ 80 #undef TRY_TX_UDP_CSUM 81 #undef TRY_TX_TCP_CSUM 82 83 int txp_probe(device_t, cfdata_t, void *); 84 void txp_attach(device_t, device_t, void *); 85 int txp_intr(void *); 86 void txp_tick(void *); 87 bool txp_shutdown(device_t, int); 88 int txp_ioctl(struct ifnet *, u_long, void *); 89 void txp_start(struct ifnet *); 90 void txp_stop(struct txp_softc *); 91 void txp_init(struct txp_softc *); 92 void txp_watchdog(struct ifnet *); 93 94 int txp_chip_init(struct txp_softc *); 95 int txp_reset_adapter(struct txp_softc *); 96 int txp_download_fw(struct txp_softc *); 97 int txp_download_fw_wait(struct txp_softc *); 98 int txp_download_fw_section(struct txp_softc *, 99 const struct txp_fw_section_header *, int); 100 int txp_alloc_rings(struct txp_softc *); 101 void txp_dma_free(struct txp_softc *, struct txp_dma_alloc *); 102 int txp_dma_malloc(struct txp_softc *, bus_size_t, struct txp_dma_alloc *, int); 103 void txp_set_filter(struct txp_softc *); 104 105 int txp_cmd_desc_numfree(struct txp_softc *); 106 int txp_command(struct txp_softc *, uint16_t, uint16_t, uint32_t, 107 uint32_t, uint16_t *, uint32_t *, uint32_t *, int); 108 int txp_command2(struct txp_softc *, uint16_t, uint16_t, 109 uint32_t, uint32_t, struct txp_ext_desc *, uint8_t, 110 struct txp_rsp_desc **, int); 111 int txp_response(struct txp_softc *, uint32_t, uint16_t, uint16_t, 112 struct txp_rsp_desc **); 113 void txp_rsp_fixup(struct txp_softc *, struct txp_rsp_desc *, 114 struct txp_rsp_desc *); 115 void txp_capabilities(struct txp_softc *); 116 117 void txp_ifmedia_sts(struct ifnet *, struct ifmediareq *); 118 int txp_ifmedia_upd(struct ifnet *); 119 void txp_show_descriptor(void *); 120 void txp_tx_reclaim(struct txp_softc *, struct txp_tx_ring *, 121 struct txp_dma_alloc *); 122 void txp_rxbuf_reclaim(struct txp_softc *); 123 void txp_rx_reclaim(struct txp_softc *, struct txp_rx_ring *, 124 struct txp_dma_alloc *); 125 126 CFATTACH_DECL_NEW(txp, sizeof(struct txp_softc), txp_probe, txp_attach, 127 NULL, NULL); 128 129 const struct txp_pci_match { 130 int vid, did, flags; 131 } txp_devices[] = { 132 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3CR990, 0 }, 133 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3CR990TX95, 0 }, 134 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3CR990TX97, 0 }, 135 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3CR990SVR95, TXP_SERVERVERSION }, 136 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3CR990SVR97, TXP_SERVERVERSION }, 137 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C990B, TXP_USESUBSYSTEM }, 138 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C990BSVR, TXP_SERVERVERSION }, 139 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3CR990FX, TXP_USESUBSYSTEM }, 140 }; 141 142 static const struct txp_pci_match *txp_pcilookup(pcireg_t); 143 144 static const struct { 145 uint16_t mask, value; 146 int flags; 147 } txp_subsysinfo[] = { 148 {0xf000, 0x2000, TXP_SERVERVERSION}, 149 {0x0100, 0x0100, TXP_FIBER}, 150 #if 0 /* information from 3com header, unused */ 151 {0x0010, 0x0010, /* secured firmware */}, 152 {0x0003, 0x0000, /* variable DES */}, 153 {0x0003, 0x0001, /* single DES - "95" */}, 154 {0x0003, 0x0002, /* triple DES - "97" */}, 155 #endif 156 }; 157 158 static const struct txp_pci_match * 159 txp_pcilookup(pcireg_t id) 160 { 161 int i; 162 163 for (i = 0; i < __arraycount(txp_devices); i++) 164 if (PCI_VENDOR(id) == txp_devices[i].vid && 165 PCI_PRODUCT(id) == txp_devices[i].did) 166 return &txp_devices[i]; 167 return (0); 168 } 169 170 int 171 txp_probe(device_t parent, cfdata_t match, void *aux) 172 { 173 struct pci_attach_args *pa = aux; 174 175 if (txp_pcilookup(pa->pa_id)) 176 return (1); 177 return (0); 178 } 179 180 void 181 txp_attach(device_t parent, device_t self, void *aux) 182 { 183 struct txp_softc *sc = device_private(self); 184 struct pci_attach_args *pa = aux; 185 pci_chipset_tag_t pc = pa->pa_pc; 186 pci_intr_handle_t ih; 187 const char *intrstr = NULL; 188 struct ifnet *ifp = &sc->sc_arpcom.ec_if; 189 uint32_t command; 190 uint16_t p1; 191 uint32_t p2; 192 u_char enaddr[6]; 193 const struct txp_pci_match *match; 194 uint16_t subsys; 195 int i, flags; 196 char devinfo[256]; 197 char intrbuf[PCI_INTRSTR_LEN]; 198 199 sc->sc_dev = self; 200 sc->sc_cold = 1; 201 202 match = txp_pcilookup(pa->pa_id); 203 flags = match->flags; 204 if (match->flags & TXP_USESUBSYSTEM) { 205 subsys = PCI_PRODUCT(pci_conf_read(pc, pa->pa_tag, 206 PCI_SUBSYS_ID_REG)); 207 for (i = 0; 208 i < sizeof(txp_subsysinfo)/sizeof(txp_subsysinfo[0]); 209 i++) 210 if ((subsys & txp_subsysinfo[i].mask) == 211 txp_subsysinfo[i].value) 212 flags |= txp_subsysinfo[i].flags; 213 } 214 sc->sc_flags = flags; 215 216 aprint_naive("\n"); 217 pci_devinfo(pa->pa_id, 0, 0, devinfo, sizeof(devinfo)); 218 #define TXP_EXTRAINFO ((flags & (TXP_USESUBSYSTEM | TXP_SERVERVERSION)) == \ 219 (TXP_USESUBSYSTEM | TXP_SERVERVERSION) ? " (SVR)" : "") 220 aprint_normal(": %s%s\n%s", devinfo, TXP_EXTRAINFO, 221 device_xname(sc->sc_dev)); 222 223 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 224 225 if (!(command & PCI_COMMAND_MASTER_ENABLE)) { 226 aprint_error(": failed to enable bus mastering\n"); 227 return; 228 } 229 230 if (!(command & PCI_COMMAND_MEM_ENABLE)) { 231 aprint_error(": failed to enable memory mapping\n"); 232 return; 233 } 234 if (pci_mapreg_map(pa, TXP_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0, 235 &sc->sc_bt, &sc->sc_bh, NULL, NULL)) { 236 aprint_error(": can't map mem space %d\n", 0); 237 return; 238 } 239 240 sc->sc_dmat = pa->pa_dmat; 241 242 /* 243 * Allocate our interrupt. 244 */ 245 if (pci_intr_map(pa, &ih)) { 246 aprint_error(": couldn't map interrupt\n"); 247 return; 248 } 249 250 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); 251 sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_NET, txp_intr, sc, 252 device_xname(self)); 253 if (sc->sc_ih == NULL) { 254 aprint_error(": couldn't establish interrupt"); 255 if (intrstr != NULL) 256 aprint_normal(" at %s", intrstr); 257 aprint_normal("\n"); 258 return; 259 } 260 aprint_normal(": interrupting at %s\n", intrstr); 261 262 if (txp_chip_init(sc)) 263 goto cleanupintr; 264 265 if (txp_download_fw(sc)) 266 goto cleanupintr; 267 268 if (txp_alloc_rings(sc)) 269 goto cleanupintr; 270 271 if (txp_command(sc, TXP_CMD_MAX_PKT_SIZE_WRITE, TXP_MAX_PKTLEN, 0, 0, 272 NULL, NULL, NULL, 1)) 273 goto cleanupintr; 274 275 if (txp_command(sc, TXP_CMD_STATION_ADDRESS_READ, 0, 0, 0, 276 &p1, &p2, NULL, 1)) 277 goto cleanupintr; 278 279 p1 = htole16(p1); 280 enaddr[0] = ((uint8_t *)&p1)[1]; 281 enaddr[1] = ((uint8_t *)&p1)[0]; 282 p2 = htole32(p2); 283 enaddr[2] = ((uint8_t *)&p2)[3]; 284 enaddr[3] = ((uint8_t *)&p2)[2]; 285 enaddr[4] = ((uint8_t *)&p2)[1]; 286 enaddr[5] = ((uint8_t *)&p2)[0]; 287 288 aprint_normal_dev(self, "Ethernet address %s\n", 289 ether_sprintf(enaddr)); 290 sc->sc_cold = 0; 291 292 /* Initialize ifmedia structures. */ 293 sc->sc_arpcom.ec_ifmedia = &sc->sc_ifmedia; 294 ifmedia_init(&sc->sc_ifmedia, 0, txp_ifmedia_upd, txp_ifmedia_sts); 295 if (flags & TXP_FIBER) { 296 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_100_FX, 297 0, NULL); 298 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_100_FX | IFM_HDX, 299 0, NULL); 300 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_100_FX | IFM_FDX, 301 0, NULL); 302 } else { 303 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_10_T, 304 0, NULL); 305 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_10_T | IFM_HDX, 306 0, NULL); 307 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 308 0, NULL); 309 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_100_TX, 310 0, NULL); 311 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_100_TX | IFM_HDX, 312 0, NULL); 313 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 314 0, NULL); 315 } 316 ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 317 318 sc->sc_xcvr = TXP_XCVR_AUTO; 319 txp_command(sc, TXP_CMD_XCVR_SELECT, TXP_XCVR_AUTO, 0, 0, 320 NULL, NULL, NULL, 0); 321 ifmedia_set(&sc->sc_ifmedia, IFM_ETHER | IFM_AUTO); 322 323 ifp->if_softc = sc; 324 ifp->if_mtu = ETHERMTU; 325 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 326 ifp->if_ioctl = txp_ioctl; 327 ifp->if_start = txp_start; 328 ifp->if_watchdog = txp_watchdog; 329 ifp->if_baudrate = 10000000; 330 IFQ_SET_MAXLEN(&ifp->if_snd, TX_ENTRIES); 331 IFQ_SET_READY(&ifp->if_snd); 332 ifp->if_capabilities = 0; 333 strlcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 334 335 txp_capabilities(sc); 336 337 callout_init(&sc->sc_tick, 0); 338 callout_setfunc(&sc->sc_tick, txp_tick, sc); 339 340 /* 341 * Attach us everywhere 342 */ 343 if_attach(ifp); 344 if_deferred_start_init(ifp, NULL); 345 ether_ifattach(ifp, enaddr); 346 347 if (pmf_device_register1(self, NULL, NULL, txp_shutdown)) 348 pmf_class_network_register(self, ifp); 349 else 350 aprint_error_dev(self, "couldn't establish power handler\n"); 351 352 return; 353 354 cleanupintr: 355 pci_intr_disestablish(pc, sc->sc_ih); 356 357 return; 358 359 } 360 361 int 362 txp_chip_init(struct txp_softc *sc) 363 { 364 /* disable interrupts */ 365 WRITE_REG(sc, TXP_IER, 0); 366 WRITE_REG(sc, TXP_IMR, 367 TXP_INT_SELF | TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | 368 TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | 369 TXP_INT_LATCH); 370 371 /* ack all interrupts */ 372 WRITE_REG(sc, TXP_ISR, TXP_INT_RESERVED | TXP_INT_LATCH | 373 TXP_INT_A2H_7 | TXP_INT_A2H_6 | TXP_INT_A2H_5 | TXP_INT_A2H_4 | 374 TXP_INT_SELF | TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | 375 TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | 376 TXP_INT_A2H_3 | TXP_INT_A2H_2 | TXP_INT_A2H_1 | TXP_INT_A2H_0); 377 378 if (txp_reset_adapter(sc)) 379 return (-1); 380 381 /* disable interrupts */ 382 WRITE_REG(sc, TXP_IER, 0); 383 WRITE_REG(sc, TXP_IMR, 384 TXP_INT_SELF | TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | 385 TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | 386 TXP_INT_LATCH); 387 388 /* ack all interrupts */ 389 WRITE_REG(sc, TXP_ISR, TXP_INT_RESERVED | TXP_INT_LATCH | 390 TXP_INT_A2H_7 | TXP_INT_A2H_6 | TXP_INT_A2H_5 | TXP_INT_A2H_4 | 391 TXP_INT_SELF | TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | 392 TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | 393 TXP_INT_A2H_3 | TXP_INT_A2H_2 | TXP_INT_A2H_1 | TXP_INT_A2H_0); 394 395 return (0); 396 } 397 398 int 399 txp_reset_adapter(struct txp_softc *sc) 400 { 401 uint32_t r; 402 int i; 403 404 WRITE_REG(sc, TXP_SRR, TXP_SRR_ALL); 405 DELAY(1000); 406 WRITE_REG(sc, TXP_SRR, 0); 407 408 /* Should wait max 6 seconds */ 409 for (i = 0; i < 6000; i++) { 410 r = READ_REG(sc, TXP_A2H_0); 411 if (r == STAT_WAITING_FOR_HOST_REQUEST) 412 break; 413 DELAY(1000); 414 } 415 416 if (r != STAT_WAITING_FOR_HOST_REQUEST) { 417 printf("%s: reset hung\n", TXP_DEVNAME(sc)); 418 return (-1); 419 } 420 421 return (0); 422 } 423 424 int 425 txp_download_fw(struct txp_softc *sc) 426 { 427 const struct txp_fw_file_header *fileheader; 428 const struct txp_fw_section_header *secthead; 429 int sect; 430 uint32_t r, i, ier, imr; 431 432 ier = READ_REG(sc, TXP_IER); 433 WRITE_REG(sc, TXP_IER, ier | TXP_INT_A2H_0); 434 435 imr = READ_REG(sc, TXP_IMR); 436 WRITE_REG(sc, TXP_IMR, imr | TXP_INT_A2H_0); 437 438 for (i = 0; i < 10000; i++) { 439 r = READ_REG(sc, TXP_A2H_0); 440 if (r == STAT_WAITING_FOR_HOST_REQUEST) 441 break; 442 DELAY(50); 443 } 444 if (r != STAT_WAITING_FOR_HOST_REQUEST) { 445 printf(": not waiting for host request\n"); 446 return (-1); 447 } 448 449 /* Ack the status */ 450 WRITE_REG(sc, TXP_ISR, TXP_INT_A2H_0); 451 452 fileheader = (const struct txp_fw_file_header *)tc990image; 453 if (memcmp("TYPHOON", fileheader->magicid, 454 sizeof(fileheader->magicid))) { 455 printf(": fw invalid magic\n"); 456 return (-1); 457 } 458 459 /* Tell boot firmware to get ready for image */ 460 WRITE_REG(sc, TXP_H2A_1, le32toh(fileheader->addr)); 461 WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_RUNTIME_IMAGE); 462 463 if (txp_download_fw_wait(sc)) { 464 printf("%s: fw wait failed, initial\n", 465 device_xname(sc->sc_dev)); 466 return (-1); 467 } 468 469 secthead = (const struct txp_fw_section_header *) 470 (((const uint8_t *)tc990image) + 471 sizeof(struct txp_fw_file_header)); 472 473 for (sect = 0; sect < le32toh(fileheader->nsections); sect++) { 474 if (txp_download_fw_section(sc, secthead, sect)) 475 return (-1); 476 secthead = (const struct txp_fw_section_header *) 477 (((const uint8_t *)secthead) + le32toh(secthead->nbytes) + 478 sizeof(*secthead)); 479 } 480 481 WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_DOWNLOAD_COMPLETE); 482 483 for (i = 0; i < 10000; i++) { 484 r = READ_REG(sc, TXP_A2H_0); 485 if (r == STAT_WAITING_FOR_BOOT) 486 break; 487 DELAY(50); 488 } 489 if (r != STAT_WAITING_FOR_BOOT) { 490 printf(": not waiting for boot\n"); 491 return (-1); 492 } 493 494 WRITE_REG(sc, TXP_IER, ier); 495 WRITE_REG(sc, TXP_IMR, imr); 496 497 return (0); 498 } 499 500 int 501 txp_download_fw_wait(struct txp_softc *sc) 502 { 503 uint32_t i, r; 504 505 for (i = 0; i < 10000; i++) { 506 r = READ_REG(sc, TXP_ISR); 507 if (r & TXP_INT_A2H_0) 508 break; 509 DELAY(50); 510 } 511 512 if (!(r & TXP_INT_A2H_0)) { 513 printf(": fw wait failed comm0\n"); 514 return (-1); 515 } 516 517 WRITE_REG(sc, TXP_ISR, TXP_INT_A2H_0); 518 519 r = READ_REG(sc, TXP_A2H_0); 520 if (r != STAT_WAITING_FOR_SEGMENT) { 521 printf(": fw not waiting for segment\n"); 522 return (-1); 523 } 524 return (0); 525 } 526 527 int 528 txp_download_fw_section(struct txp_softc *sc, 529 const struct txp_fw_section_header *sect, int sectnum) 530 { 531 struct txp_dma_alloc dma; 532 int rseg, err = 0; 533 struct mbuf m; 534 #ifdef INET 535 uint16_t csum; 536 #endif 537 538 /* Skip zero length sections */ 539 if (sect->nbytes == 0) 540 return (0); 541 542 /* Make sure we aren't past the end of the image */ 543 rseg = ((const uint8_t *)sect) - ((const uint8_t *)tc990image); 544 if (rseg >= sizeof(tc990image)) { 545 printf(": fw invalid section address, section %d\n", sectnum); 546 return (-1); 547 } 548 549 /* Make sure this section doesn't go past the end */ 550 rseg += le32toh(sect->nbytes); 551 if (rseg >= sizeof(tc990image)) { 552 printf(": fw truncated section %d\n", sectnum); 553 return (-1); 554 } 555 556 /* map a buffer, copy segment to it, get physaddr */ 557 if (txp_dma_malloc(sc, le32toh(sect->nbytes), &dma, 0)) { 558 printf(": fw dma malloc failed, section %d\n", sectnum); 559 return (-1); 560 } 561 562 memcpy(dma.dma_vaddr, ((const uint8_t *)sect) + sizeof(*sect), 563 le32toh(sect->nbytes)); 564 565 /* 566 * dummy up mbuf and verify section checksum 567 */ 568 m.m_type = MT_DATA; 569 m.m_next = m.m_nextpkt = NULL; 570 m.m_owner = NULL; 571 m.m_len = le32toh(sect->nbytes); 572 m.m_data = dma.dma_vaddr; 573 m.m_flags = 0; 574 #ifdef INET 575 csum = in_cksum(&m, le32toh(sect->nbytes)); 576 if (csum != sect->cksum) { 577 printf(": fw section %d, bad cksum (expected 0x%x got 0x%x)\n", 578 sectnum, sect->cksum, csum); 579 txp_dma_free(sc, &dma); 580 return -1; 581 } 582 #endif 583 584 bus_dmamap_sync(sc->sc_dmat, dma.dma_map, 0, 585 dma.dma_map->dm_mapsize, BUS_DMASYNC_PREWRITE); 586 587 WRITE_REG(sc, TXP_H2A_1, le32toh(sect->nbytes)); 588 WRITE_REG(sc, TXP_H2A_2, le32toh(sect->cksum)); 589 WRITE_REG(sc, TXP_H2A_3, le32toh(sect->addr)); 590 WRITE_REG(sc, TXP_H2A_4, dma.dma_paddr >> 32); 591 WRITE_REG(sc, TXP_H2A_5, dma.dma_paddr & 0xffffffff); 592 WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_SEGMENT_AVAILABLE); 593 594 if (txp_download_fw_wait(sc)) { 595 printf("%s: fw wait failed, section %d\n", 596 device_xname(sc->sc_dev), sectnum); 597 err = -1; 598 } 599 600 bus_dmamap_sync(sc->sc_dmat, dma.dma_map, 0, 601 dma.dma_map->dm_mapsize, BUS_DMASYNC_POSTWRITE); 602 603 txp_dma_free(sc, &dma); 604 return (err); 605 } 606 607 int 608 txp_intr(void *vsc) 609 { 610 struct txp_softc *sc = vsc; 611 struct txp_hostvar *hv = sc->sc_hostvar; 612 uint32_t isr; 613 int claimed = 0; 614 615 /* mask all interrupts */ 616 WRITE_REG(sc, TXP_IMR, TXP_INT_RESERVED | TXP_INT_SELF | 617 TXP_INT_A2H_7 | TXP_INT_A2H_6 | TXP_INT_A2H_5 | TXP_INT_A2H_4 | 618 TXP_INT_A2H_2 | TXP_INT_A2H_1 | TXP_INT_A2H_0 | 619 TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | 620 TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | TXP_INT_LATCH); 621 622 bus_dmamap_sync(sc->sc_dmat, sc->sc_host_dma.dma_map, 0, 623 sizeof(struct txp_hostvar), 624 BUS_DMASYNC_POSTWRITE | BUS_DMASYNC_POSTREAD); 625 626 isr = READ_REG(sc, TXP_ISR); 627 while (isr) { 628 claimed = 1; 629 WRITE_REG(sc, TXP_ISR, isr); 630 631 if ((*sc->sc_rxhir.r_roff) != (*sc->sc_rxhir.r_woff)) 632 txp_rx_reclaim(sc, &sc->sc_rxhir, &sc->sc_rxhiring_dma); 633 if ((*sc->sc_rxlor.r_roff) != (*sc->sc_rxlor.r_woff)) 634 txp_rx_reclaim(sc, &sc->sc_rxlor, &sc->sc_rxloring_dma); 635 636 if (hv->hv_rx_buf_write_idx == hv->hv_rx_buf_read_idx) 637 txp_rxbuf_reclaim(sc); 638 639 if (sc->sc_txhir.r_cnt && (sc->sc_txhir.r_cons != 640 TXP_OFFSET2IDX(le32toh(*(sc->sc_txhir.r_off))))) 641 txp_tx_reclaim(sc, &sc->sc_txhir, &sc->sc_txhiring_dma); 642 643 if (sc->sc_txlor.r_cnt && (sc->sc_txlor.r_cons != 644 TXP_OFFSET2IDX(le32toh(*(sc->sc_txlor.r_off))))) 645 txp_tx_reclaim(sc, &sc->sc_txlor, &sc->sc_txloring_dma); 646 647 isr = READ_REG(sc, TXP_ISR); 648 } 649 650 bus_dmamap_sync(sc->sc_dmat, sc->sc_host_dma.dma_map, 0, 651 sizeof(struct txp_hostvar), 652 BUS_DMASYNC_POSTWRITE | BUS_DMASYNC_POSTREAD); 653 654 /* unmask all interrupts */ 655 WRITE_REG(sc, TXP_IMR, TXP_INT_A2H_3); 656 657 if_schedule_deferred_start(&sc->sc_arpcom.ec_if); 658 659 return (claimed); 660 } 661 662 void 663 txp_rx_reclaim(struct txp_softc *sc, struct txp_rx_ring *r, 664 struct txp_dma_alloc *dma) 665 { 666 struct ifnet *ifp = &sc->sc_arpcom.ec_if; 667 struct txp_rx_desc *rxd; 668 struct mbuf *m; 669 struct txp_swdesc *sd; 670 uint32_t roff, woff; 671 int sumflags = 0; 672 int idx; 673 674 roff = le32toh(*r->r_roff); 675 woff = le32toh(*r->r_woff); 676 idx = roff / sizeof(struct txp_rx_desc); 677 rxd = r->r_desc + idx; 678 679 while (roff != woff) { 680 681 bus_dmamap_sync(sc->sc_dmat, dma->dma_map, 682 idx * sizeof(struct txp_rx_desc), 683 sizeof(struct txp_rx_desc), BUS_DMASYNC_POSTREAD); 684 685 if (rxd->rx_flags & RX_FLAGS_ERROR) { 686 printf("%s: error 0x%x\n", device_xname(sc->sc_dev), 687 le32toh(rxd->rx_stat)); 688 ifp->if_ierrors++; 689 goto next; 690 } 691 692 /* retrieve stashed pointer */ 693 memcpy(&sd, __UNVOLATILE(&rxd->rx_vaddrlo), sizeof(sd)); 694 695 bus_dmamap_sync(sc->sc_dmat, sd->sd_map, 0, 696 sd->sd_map->dm_mapsize, BUS_DMASYNC_POSTREAD); 697 bus_dmamap_unload(sc->sc_dmat, sd->sd_map); 698 bus_dmamap_destroy(sc->sc_dmat, sd->sd_map); 699 m = sd->sd_mbuf; 700 free(sd, M_DEVBUF); 701 m->m_pkthdr.len = m->m_len = le16toh(rxd->rx_len); 702 703 #ifdef __STRICT_ALIGNMENT 704 { 705 /* 706 * XXX Nice chip, except it won't accept "off by 2" 707 * buffers, so we're force to copy. Supposedly 708 * this will be fixed in a newer firmware rev 709 * and this will be temporary. 710 */ 711 struct mbuf *mnew; 712 713 MGETHDR(mnew, M_DONTWAIT, MT_DATA); 714 if (mnew == NULL) { 715 m_freem(m); 716 goto next; 717 } 718 if (m->m_len > (MHLEN - 2)) { 719 MCLGET(mnew, M_DONTWAIT); 720 if (!(mnew->m_flags & M_EXT)) { 721 m_freem(mnew); 722 m_freem(m); 723 goto next; 724 } 725 } 726 m_set_rcvif(mnew, ifp); 727 mnew->m_pkthdr.len = mnew->m_len = m->m_len; 728 mnew->m_data += 2; 729 memcpy(mnew->m_data, m->m_data, m->m_len); 730 m_freem(m); 731 m = mnew; 732 } 733 #endif 734 735 if (rxd->rx_stat & htole32(RX_STAT_IPCKSUMBAD)) 736 sumflags |= (M_CSUM_IPv4 | M_CSUM_IPv4_BAD); 737 else if (rxd->rx_stat & htole32(RX_STAT_IPCKSUMGOOD)) 738 sumflags |= M_CSUM_IPv4; 739 740 if (rxd->rx_stat & htole32(RX_STAT_TCPCKSUMBAD)) 741 sumflags |= (M_CSUM_TCPv4 | M_CSUM_TCP_UDP_BAD); 742 else if (rxd->rx_stat & htole32(RX_STAT_TCPCKSUMGOOD)) 743 sumflags |= M_CSUM_TCPv4; 744 745 if (rxd->rx_stat & htole32(RX_STAT_UDPCKSUMBAD)) 746 sumflags |= (M_CSUM_UDPv4 | M_CSUM_TCP_UDP_BAD); 747 else if (rxd->rx_stat & htole32(RX_STAT_UDPCKSUMGOOD)) 748 sumflags |= M_CSUM_UDPv4; 749 750 m->m_pkthdr.csum_flags = sumflags; 751 752 if (rxd->rx_stat & htole32(RX_STAT_VLAN)) { 753 vlan_set_tag(m, htons(rxd->rx_vlan >> 16)); 754 } 755 756 if_percpuq_enqueue(ifp->if_percpuq, m); 757 758 next: 759 bus_dmamap_sync(sc->sc_dmat, dma->dma_map, 760 idx * sizeof(struct txp_rx_desc), 761 sizeof(struct txp_rx_desc), BUS_DMASYNC_PREREAD); 762 763 roff += sizeof(struct txp_rx_desc); 764 if (roff == (RX_ENTRIES * sizeof(struct txp_rx_desc))) { 765 idx = 0; 766 roff = 0; 767 rxd = r->r_desc; 768 } else { 769 idx++; 770 rxd++; 771 } 772 woff = le32toh(*r->r_woff); 773 } 774 775 *r->r_roff = htole32(woff); 776 } 777 778 void 779 txp_rxbuf_reclaim(struct txp_softc *sc) 780 { 781 struct ifnet *ifp = &sc->sc_arpcom.ec_if; 782 struct txp_hostvar *hv = sc->sc_hostvar; 783 struct txp_rxbuf_desc *rbd; 784 struct txp_swdesc *sd; 785 uint32_t i, end; 786 787 end = TXP_OFFSET2IDX(le32toh(hv->hv_rx_buf_read_idx)); 788 i = TXP_OFFSET2IDX(le32toh(hv->hv_rx_buf_write_idx)); 789 790 if (++i == RXBUF_ENTRIES) 791 i = 0; 792 793 rbd = sc->sc_rxbufs + i; 794 795 while (i != end) { 796 sd = (struct txp_swdesc *)malloc(sizeof(struct txp_swdesc), 797 M_DEVBUF, M_NOWAIT); 798 if (sd == NULL) 799 break; 800 801 MGETHDR(sd->sd_mbuf, M_DONTWAIT, MT_DATA); 802 if (sd->sd_mbuf == NULL) 803 goto err_sd; 804 805 MCLGET(sd->sd_mbuf, M_DONTWAIT); 806 if ((sd->sd_mbuf->m_flags & M_EXT) == 0) 807 goto err_mbuf; 808 m_set_rcvif(sd->sd_mbuf, ifp); 809 sd->sd_mbuf->m_pkthdr.len = sd->sd_mbuf->m_len = MCLBYTES; 810 if (bus_dmamap_create(sc->sc_dmat, TXP_MAX_PKTLEN, 1, 811 TXP_MAX_PKTLEN, 0, BUS_DMA_NOWAIT, &sd->sd_map)) 812 goto err_mbuf; 813 if (bus_dmamap_load_mbuf(sc->sc_dmat, sd->sd_map, sd->sd_mbuf, 814 BUS_DMA_NOWAIT)) { 815 bus_dmamap_destroy(sc->sc_dmat, sd->sd_map); 816 goto err_mbuf; 817 } 818 819 bus_dmamap_sync(sc->sc_dmat, sc->sc_rxbufring_dma.dma_map, 820 i * sizeof(struct txp_rxbuf_desc), 821 sizeof(struct txp_rxbuf_desc), BUS_DMASYNC_POSTWRITE); 822 823 /* stash away pointer */ 824 memcpy(__UNVOLATILE(&rbd->rb_vaddrlo), &sd, sizeof(sd)); 825 826 rbd->rb_paddrlo = ((uint64_t)sd->sd_map->dm_segs[0].ds_addr) 827 & 0xffffffff; 828 rbd->rb_paddrhi = ((uint64_t)sd->sd_map->dm_segs[0].ds_addr) 829 >> 32; 830 831 bus_dmamap_sync(sc->sc_dmat, sd->sd_map, 0, 832 sd->sd_map->dm_mapsize, BUS_DMASYNC_PREREAD); 833 834 bus_dmamap_sync(sc->sc_dmat, sc->sc_rxbufring_dma.dma_map, 835 i * sizeof(struct txp_rxbuf_desc), 836 sizeof(struct txp_rxbuf_desc), BUS_DMASYNC_PREWRITE); 837 838 hv->hv_rx_buf_write_idx = htole32(TXP_IDX2OFFSET(i)); 839 840 if (++i == RXBUF_ENTRIES) { 841 i = 0; 842 rbd = sc->sc_rxbufs; 843 } else 844 rbd++; 845 } 846 return; 847 848 err_mbuf: 849 m_freem(sd->sd_mbuf); 850 err_sd: 851 free(sd, M_DEVBUF); 852 } 853 854 /* 855 * Reclaim mbufs and entries from a transmit ring. 856 */ 857 void 858 txp_tx_reclaim(struct txp_softc *sc, struct txp_tx_ring *r, 859 struct txp_dma_alloc *dma) 860 { 861 struct ifnet *ifp = &sc->sc_arpcom.ec_if; 862 uint32_t idx = TXP_OFFSET2IDX(le32toh(*(r->r_off))); 863 uint32_t cons = r->r_cons, cnt = r->r_cnt; 864 struct txp_tx_desc *txd = r->r_desc + cons; 865 struct txp_swdesc *sd = sc->sc_txd + cons; 866 struct mbuf *m; 867 868 while (cons != idx) { 869 if (cnt == 0) 870 break; 871 872 bus_dmamap_sync(sc->sc_dmat, dma->dma_map, 873 cons * sizeof(struct txp_tx_desc), 874 sizeof(struct txp_tx_desc), 875 BUS_DMASYNC_POSTWRITE); 876 877 if ((txd->tx_flags & TX_FLAGS_TYPE_M) == 878 TX_FLAGS_TYPE_DATA) { 879 bus_dmamap_sync(sc->sc_dmat, sd->sd_map, 0, 880 sd->sd_map->dm_mapsize, BUS_DMASYNC_POSTWRITE); 881 bus_dmamap_unload(sc->sc_dmat, sd->sd_map); 882 m = sd->sd_mbuf; 883 if (m != NULL) { 884 m_freem(m); 885 txd->tx_addrlo = 0; 886 txd->tx_addrhi = 0; 887 ifp->if_opackets++; 888 } 889 } 890 ifp->if_flags &= ~IFF_OACTIVE; 891 892 if (++cons == TX_ENTRIES) { 893 txd = r->r_desc; 894 cons = 0; 895 sd = sc->sc_txd; 896 } else { 897 txd++; 898 sd++; 899 } 900 901 cnt--; 902 } 903 904 r->r_cons = cons; 905 r->r_cnt = cnt; 906 if (cnt == 0) 907 ifp->if_timer = 0; 908 } 909 910 bool 911 txp_shutdown(device_t self, int howto) 912 { 913 struct txp_softc *sc; 914 915 sc = device_private(self); 916 917 /* mask all interrupts */ 918 WRITE_REG(sc, TXP_IMR, 919 TXP_INT_SELF | TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | 920 TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | 921 TXP_INT_LATCH); 922 923 txp_command(sc, TXP_CMD_TX_DISABLE, 0, 0, 0, NULL, NULL, NULL, 0); 924 txp_command(sc, TXP_CMD_RX_DISABLE, 0, 0, 0, NULL, NULL, NULL, 0); 925 txp_command(sc, TXP_CMD_HALT, 0, 0, 0, NULL, NULL, NULL, 0); 926 927 return true; 928 } 929 930 int 931 txp_alloc_rings(struct txp_softc *sc) 932 { 933 struct ifnet *ifp = &sc->sc_arpcom.ec_if; 934 struct txp_boot_record *boot; 935 struct txp_swdesc *sd; 936 uint32_t r; 937 int i, j, nb; 938 939 /* boot record */ 940 if (txp_dma_malloc(sc, sizeof(struct txp_boot_record), 941 &sc->sc_boot_dma, BUS_DMA_COHERENT)) { 942 printf(": can't allocate boot record\n"); 943 return (-1); 944 } 945 boot = (struct txp_boot_record *)sc->sc_boot_dma.dma_vaddr; 946 memset(boot, 0, sizeof(*boot)); 947 sc->sc_boot = boot; 948 949 /* host variables */ 950 if (txp_dma_malloc(sc, sizeof(struct txp_hostvar), &sc->sc_host_dma, 951 BUS_DMA_COHERENT)) { 952 printf(": can't allocate host ring\n"); 953 goto bail_boot; 954 } 955 memset(sc->sc_host_dma.dma_vaddr, 0, sizeof(struct txp_hostvar)); 956 boot->br_hostvar_lo = htole32(sc->sc_host_dma.dma_paddr & 0xffffffff); 957 boot->br_hostvar_hi = htole32(sc->sc_host_dma.dma_paddr >> 32); 958 sc->sc_hostvar = (struct txp_hostvar *)sc->sc_host_dma.dma_vaddr; 959 960 /* high priority tx ring */ 961 if (txp_dma_malloc(sc, sizeof(struct txp_tx_desc) * TX_ENTRIES, 962 &sc->sc_txhiring_dma, BUS_DMA_COHERENT)) { 963 printf(": can't allocate high tx ring\n"); 964 goto bail_host; 965 } 966 memset(sc->sc_txhiring_dma.dma_vaddr, 0, 967 sizeof(struct txp_tx_desc) * TX_ENTRIES); 968 boot->br_txhipri_lo = htole32(sc->sc_txhiring_dma.dma_paddr & 0xffffffff); 969 boot->br_txhipri_hi = htole32(sc->sc_txhiring_dma.dma_paddr >> 32); 970 boot->br_txhipri_siz = htole32(TX_ENTRIES * sizeof(struct txp_tx_desc)); 971 sc->sc_txhir.r_reg = TXP_H2A_1; 972 sc->sc_txhir.r_desc = (struct txp_tx_desc *)sc->sc_txhiring_dma.dma_vaddr; 973 sc->sc_txhir.r_cons = sc->sc_txhir.r_prod = sc->sc_txhir.r_cnt = 0; 974 sc->sc_txhir.r_off = &sc->sc_hostvar->hv_tx_hi_desc_read_idx; 975 for (i = 0; i < TX_ENTRIES; i++) { 976 if (bus_dmamap_create(sc->sc_dmat, TXP_MAX_PKTLEN, 977 TX_ENTRIES - 4, TXP_MAX_SEGLEN, 0, 978 BUS_DMA_NOWAIT, &sc->sc_txd[i].sd_map) != 0) { 979 for (j = 0; j < i; j++) { 980 bus_dmamap_destroy(sc->sc_dmat, 981 sc->sc_txd[j].sd_map); 982 sc->sc_txd[j].sd_map = NULL; 983 } 984 goto bail_txhiring; 985 } 986 } 987 988 /* low priority tx ring */ 989 if (txp_dma_malloc(sc, sizeof(struct txp_tx_desc) * TX_ENTRIES, 990 &sc->sc_txloring_dma, BUS_DMA_COHERENT)) { 991 printf(": can't allocate low tx ring\n"); 992 goto bail_txhiring; 993 } 994 memset(sc->sc_txloring_dma.dma_vaddr, 0, 995 sizeof(struct txp_tx_desc) * TX_ENTRIES); 996 boot->br_txlopri_lo = htole32(sc->sc_txloring_dma.dma_paddr & 0xffffffff); 997 boot->br_txlopri_hi = htole32(sc->sc_txloring_dma.dma_paddr >> 32); 998 boot->br_txlopri_siz = htole32(TX_ENTRIES * sizeof(struct txp_tx_desc)); 999 sc->sc_txlor.r_reg = TXP_H2A_3; 1000 sc->sc_txlor.r_desc = (struct txp_tx_desc *)sc->sc_txloring_dma.dma_vaddr; 1001 sc->sc_txlor.r_cons = sc->sc_txlor.r_prod = sc->sc_txlor.r_cnt = 0; 1002 sc->sc_txlor.r_off = &sc->sc_hostvar->hv_tx_lo_desc_read_idx; 1003 1004 /* high priority rx ring */ 1005 if (txp_dma_malloc(sc, sizeof(struct txp_rx_desc) * RX_ENTRIES, 1006 &sc->sc_rxhiring_dma, BUS_DMA_COHERENT)) { 1007 printf(": can't allocate high rx ring\n"); 1008 goto bail_txloring; 1009 } 1010 memset(sc->sc_rxhiring_dma.dma_vaddr, 0, 1011 sizeof(struct txp_rx_desc) * RX_ENTRIES); 1012 boot->br_rxhipri_lo = htole32(sc->sc_rxhiring_dma.dma_paddr & 0xffffffff); 1013 boot->br_rxhipri_hi = htole32(sc->sc_rxhiring_dma.dma_paddr >> 32); 1014 boot->br_rxhipri_siz = htole32(RX_ENTRIES * sizeof(struct txp_rx_desc)); 1015 sc->sc_rxhir.r_desc = 1016 (struct txp_rx_desc *)sc->sc_rxhiring_dma.dma_vaddr; 1017 sc->sc_rxhir.r_roff = &sc->sc_hostvar->hv_rx_hi_read_idx; 1018 sc->sc_rxhir.r_woff = &sc->sc_hostvar->hv_rx_hi_write_idx; 1019 bus_dmamap_sync(sc->sc_dmat, sc->sc_rxhiring_dma.dma_map, 1020 0, sc->sc_rxhiring_dma.dma_map->dm_mapsize, BUS_DMASYNC_PREREAD); 1021 1022 /* low priority ring */ 1023 if (txp_dma_malloc(sc, sizeof(struct txp_rx_desc) * RX_ENTRIES, 1024 &sc->sc_rxloring_dma, BUS_DMA_COHERENT)) { 1025 printf(": can't allocate low rx ring\n"); 1026 goto bail_rxhiring; 1027 } 1028 memset(sc->sc_rxloring_dma.dma_vaddr, 0, 1029 sizeof(struct txp_rx_desc) * RX_ENTRIES); 1030 boot->br_rxlopri_lo = htole32(sc->sc_rxloring_dma.dma_paddr & 0xffffffff); 1031 boot->br_rxlopri_hi = htole32(sc->sc_rxloring_dma.dma_paddr >> 32); 1032 boot->br_rxlopri_siz = htole32(RX_ENTRIES * sizeof(struct txp_rx_desc)); 1033 sc->sc_rxlor.r_desc = 1034 (struct txp_rx_desc *)sc->sc_rxloring_dma.dma_vaddr; 1035 sc->sc_rxlor.r_roff = &sc->sc_hostvar->hv_rx_lo_read_idx; 1036 sc->sc_rxlor.r_woff = &sc->sc_hostvar->hv_rx_lo_write_idx; 1037 bus_dmamap_sync(sc->sc_dmat, sc->sc_rxloring_dma.dma_map, 1038 0, sc->sc_rxloring_dma.dma_map->dm_mapsize, BUS_DMASYNC_PREREAD); 1039 1040 /* command ring */ 1041 if (txp_dma_malloc(sc, sizeof(struct txp_cmd_desc) * CMD_ENTRIES, 1042 &sc->sc_cmdring_dma, BUS_DMA_COHERENT)) { 1043 printf(": can't allocate command ring\n"); 1044 goto bail_rxloring; 1045 } 1046 memset(sc->sc_cmdring_dma.dma_vaddr, 0, 1047 sizeof(struct txp_cmd_desc) * CMD_ENTRIES); 1048 boot->br_cmd_lo = htole32(sc->sc_cmdring_dma.dma_paddr & 0xffffffff); 1049 boot->br_cmd_hi = htole32(sc->sc_cmdring_dma.dma_paddr >> 32); 1050 boot->br_cmd_siz = htole32(CMD_ENTRIES * sizeof(struct txp_cmd_desc)); 1051 sc->sc_cmdring.base = (struct txp_cmd_desc *)sc->sc_cmdring_dma.dma_vaddr; 1052 sc->sc_cmdring.size = CMD_ENTRIES * sizeof(struct txp_cmd_desc); 1053 sc->sc_cmdring.lastwrite = 0; 1054 1055 /* response ring */ 1056 if (txp_dma_malloc(sc, sizeof(struct txp_rsp_desc) * RSP_ENTRIES, 1057 &sc->sc_rspring_dma, BUS_DMA_COHERENT)) { 1058 printf(": can't allocate response ring\n"); 1059 goto bail_cmdring; 1060 } 1061 memset(sc->sc_rspring_dma.dma_vaddr, 0, 1062 sizeof(struct txp_rsp_desc) * RSP_ENTRIES); 1063 boot->br_resp_lo = htole32(sc->sc_rspring_dma.dma_paddr & 0xffffffff); 1064 boot->br_resp_hi = htole32(sc->sc_rspring_dma.dma_paddr >> 32); 1065 boot->br_resp_siz = htole32(CMD_ENTRIES * sizeof(struct txp_rsp_desc)); 1066 sc->sc_rspring.base = (struct txp_rsp_desc *)sc->sc_rspring_dma.dma_vaddr; 1067 sc->sc_rspring.size = RSP_ENTRIES * sizeof(struct txp_rsp_desc); 1068 sc->sc_rspring.lastwrite = 0; 1069 1070 /* receive buffer ring */ 1071 if (txp_dma_malloc(sc, sizeof(struct txp_rxbuf_desc) * RXBUF_ENTRIES, 1072 &sc->sc_rxbufring_dma, BUS_DMA_COHERENT)) { 1073 printf(": can't allocate rx buffer ring\n"); 1074 goto bail_rspring; 1075 } 1076 memset(sc->sc_rxbufring_dma.dma_vaddr, 0, 1077 sizeof(struct txp_rxbuf_desc) * RXBUF_ENTRIES); 1078 boot->br_rxbuf_lo = htole32(sc->sc_rxbufring_dma.dma_paddr & 0xffffffff); 1079 boot->br_rxbuf_hi = htole32(sc->sc_rxbufring_dma.dma_paddr >> 32); 1080 boot->br_rxbuf_siz = htole32(RXBUF_ENTRIES * sizeof(struct txp_rxbuf_desc)); 1081 sc->sc_rxbufs = (struct txp_rxbuf_desc *)sc->sc_rxbufring_dma.dma_vaddr; 1082 for (nb = 0; nb < RXBUF_ENTRIES; nb++) { 1083 sd = (struct txp_swdesc *)malloc(sizeof(struct txp_swdesc), 1084 M_DEVBUF, M_NOWAIT); 1085 /* stash away pointer */ 1086 memcpy(__UNVOLATILE(&sc->sc_rxbufs[nb].rb_vaddrlo), &sd, 1087 sizeof(sd)); 1088 if (sd == NULL) 1089 break; 1090 1091 MGETHDR(sd->sd_mbuf, M_DONTWAIT, MT_DATA); 1092 if (sd->sd_mbuf == NULL) { 1093 goto bail_rxbufring; 1094 } 1095 1096 MCLGET(sd->sd_mbuf, M_DONTWAIT); 1097 if ((sd->sd_mbuf->m_flags & M_EXT) == 0) { 1098 goto bail_rxbufring; 1099 } 1100 sd->sd_mbuf->m_pkthdr.len = sd->sd_mbuf->m_len = MCLBYTES; 1101 m_set_rcvif(sd->sd_mbuf, ifp); 1102 if (bus_dmamap_create(sc->sc_dmat, TXP_MAX_PKTLEN, 1, 1103 TXP_MAX_PKTLEN, 0, BUS_DMA_NOWAIT, &sd->sd_map)) { 1104 goto bail_rxbufring; 1105 } 1106 if (bus_dmamap_load_mbuf(sc->sc_dmat, sd->sd_map, sd->sd_mbuf, 1107 BUS_DMA_NOWAIT)) { 1108 bus_dmamap_destroy(sc->sc_dmat, sd->sd_map); 1109 goto bail_rxbufring; 1110 } 1111 bus_dmamap_sync(sc->sc_dmat, sd->sd_map, 0, 1112 sd->sd_map->dm_mapsize, BUS_DMASYNC_PREREAD); 1113 1114 1115 sc->sc_rxbufs[nb].rb_paddrlo = 1116 ((uint64_t)sd->sd_map->dm_segs[0].ds_addr) & 0xffffffff; 1117 sc->sc_rxbufs[nb].rb_paddrhi = 1118 ((uint64_t)sd->sd_map->dm_segs[0].ds_addr) >> 32; 1119 } 1120 bus_dmamap_sync(sc->sc_dmat, sc->sc_rxbufring_dma.dma_map, 1121 0, sc->sc_rxbufring_dma.dma_map->dm_mapsize, 1122 BUS_DMASYNC_PREWRITE); 1123 sc->sc_hostvar->hv_rx_buf_write_idx = htole32((RXBUF_ENTRIES - 1) * 1124 sizeof(struct txp_rxbuf_desc)); 1125 1126 /* zero dma */ 1127 if (txp_dma_malloc(sc, sizeof(uint32_t), &sc->sc_zero_dma, 1128 BUS_DMA_COHERENT)) { 1129 printf(": can't allocate response ring\n"); 1130 goto bail_rxbufring; 1131 } 1132 memset(sc->sc_zero_dma.dma_vaddr, 0, sizeof(uint32_t)); 1133 boot->br_zero_lo = htole32(sc->sc_zero_dma.dma_paddr & 0xffffffff); 1134 boot->br_zero_hi = htole32(sc->sc_zero_dma.dma_paddr >> 32); 1135 1136 /* See if it's waiting for boot, and try to boot it */ 1137 for (i = 0; i < 10000; i++) { 1138 r = READ_REG(sc, TXP_A2H_0); 1139 if (r == STAT_WAITING_FOR_BOOT) 1140 break; 1141 DELAY(50); 1142 } 1143 if (r != STAT_WAITING_FOR_BOOT) { 1144 printf(": not waiting for boot\n"); 1145 goto bail; 1146 } 1147 WRITE_REG(sc, TXP_H2A_2, sc->sc_boot_dma.dma_paddr >> 32); 1148 WRITE_REG(sc, TXP_H2A_1, sc->sc_boot_dma.dma_paddr & 0xffffffff); 1149 WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_REGISTER_BOOT_RECORD); 1150 1151 /* See if it booted */ 1152 for (i = 0; i < 10000; i++) { 1153 r = READ_REG(sc, TXP_A2H_0); 1154 if (r == STAT_RUNNING) 1155 break; 1156 DELAY(50); 1157 } 1158 if (r != STAT_RUNNING) { 1159 printf(": fw not running\n"); 1160 goto bail; 1161 } 1162 1163 /* Clear TX and CMD ring write registers */ 1164 WRITE_REG(sc, TXP_H2A_1, TXP_BOOTCMD_NULL); 1165 WRITE_REG(sc, TXP_H2A_2, TXP_BOOTCMD_NULL); 1166 WRITE_REG(sc, TXP_H2A_3, TXP_BOOTCMD_NULL); 1167 WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_NULL); 1168 1169 return (0); 1170 1171 bail: 1172 txp_dma_free(sc, &sc->sc_zero_dma); 1173 bail_rxbufring: 1174 if (nb == RXBUF_ENTRIES) 1175 nb--; 1176 for (i = 0; i <= nb; i++) { 1177 memcpy(&sd, __UNVOLATILE(&sc->sc_rxbufs[i].rb_vaddrlo), 1178 sizeof(sd)); 1179 if (sd) 1180 free(sd, M_DEVBUF); 1181 } 1182 txp_dma_free(sc, &sc->sc_rxbufring_dma); 1183 bail_rspring: 1184 txp_dma_free(sc, &sc->sc_rspring_dma); 1185 bail_cmdring: 1186 txp_dma_free(sc, &sc->sc_cmdring_dma); 1187 bail_rxloring: 1188 txp_dma_free(sc, &sc->sc_rxloring_dma); 1189 bail_rxhiring: 1190 txp_dma_free(sc, &sc->sc_rxhiring_dma); 1191 bail_txloring: 1192 txp_dma_free(sc, &sc->sc_txloring_dma); 1193 bail_txhiring: 1194 txp_dma_free(sc, &sc->sc_txhiring_dma); 1195 bail_host: 1196 txp_dma_free(sc, &sc->sc_host_dma); 1197 bail_boot: 1198 txp_dma_free(sc, &sc->sc_boot_dma); 1199 return (-1); 1200 } 1201 1202 int 1203 txp_dma_malloc(struct txp_softc *sc, bus_size_t size, 1204 struct txp_dma_alloc *dma, int mapflags) 1205 { 1206 int r; 1207 1208 if ((r = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, 1209 &dma->dma_seg, 1, &dma->dma_nseg, 0)) != 0) 1210 goto fail_0; 1211 1212 if ((r = bus_dmamem_map(sc->sc_dmat, &dma->dma_seg, dma->dma_nseg, 1213 size, &dma->dma_vaddr, mapflags | BUS_DMA_NOWAIT)) != 0) 1214 goto fail_1; 1215 1216 if ((r = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 1217 BUS_DMA_NOWAIT, &dma->dma_map)) != 0) 1218 goto fail_2; 1219 1220 if ((r = bus_dmamap_load(sc->sc_dmat, dma->dma_map, dma->dma_vaddr, 1221 size, NULL, BUS_DMA_NOWAIT)) != 0) 1222 goto fail_3; 1223 1224 dma->dma_paddr = dma->dma_map->dm_segs[0].ds_addr; 1225 return (0); 1226 1227 fail_3: 1228 bus_dmamap_destroy(sc->sc_dmat, dma->dma_map); 1229 fail_2: 1230 bus_dmamem_unmap(sc->sc_dmat, dma->dma_vaddr, size); 1231 fail_1: 1232 bus_dmamem_free(sc->sc_dmat, &dma->dma_seg, dma->dma_nseg); 1233 fail_0: 1234 return (r); 1235 } 1236 1237 void 1238 txp_dma_free(struct txp_softc *sc, struct txp_dma_alloc *dma) 1239 { 1240 bus_size_t mapsize = dma->dma_map->dm_mapsize; 1241 1242 bus_dmamap_unload(sc->sc_dmat, dma->dma_map); 1243 bus_dmamem_unmap(sc->sc_dmat, dma->dma_vaddr, mapsize); 1244 bus_dmamem_free(sc->sc_dmat, &dma->dma_seg, dma->dma_nseg); 1245 bus_dmamap_destroy(sc->sc_dmat, dma->dma_map); 1246 } 1247 1248 int 1249 txp_ioctl(struct ifnet *ifp, u_long command, void *data) 1250 { 1251 struct txp_softc *sc = ifp->if_softc; 1252 struct ifaddr *ifa = (struct ifaddr *)data; 1253 int s, error = 0; 1254 1255 s = splnet(); 1256 1257 #if 0 1258 if ((error = ether_ioctl(ifp, &sc->sc_arpcom, command, data)) > 0) { 1259 splx(s); 1260 return error; 1261 } 1262 #endif 1263 1264 switch (command) { 1265 case SIOCINITIFADDR: 1266 ifp->if_flags |= IFF_UP; 1267 txp_init(sc); 1268 switch (ifa->ifa_addr->sa_family) { 1269 #ifdef INET 1270 case AF_INET: 1271 arp_ifinit(ifp, ifa); 1272 break; 1273 #endif /* INET */ 1274 default: 1275 break; 1276 } 1277 break; 1278 case SIOCSIFFLAGS: 1279 if ((error = ifioctl_common(ifp, command, data)) != 0) 1280 break; 1281 if (ifp->if_flags & IFF_UP) { 1282 txp_init(sc); 1283 } else { 1284 if (ifp->if_flags & IFF_RUNNING) 1285 txp_stop(sc); 1286 } 1287 break; 1288 case SIOCADDMULTI: 1289 case SIOCDELMULTI: 1290 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 1291 break; 1292 1293 error = 0; 1294 1295 if (command != SIOCADDMULTI && command != SIOCDELMULTI) 1296 ; 1297 else if (ifp->if_flags & IFF_RUNNING) { 1298 /* 1299 * Multicast list has changed; set the hardware 1300 * filter accordingly. 1301 */ 1302 txp_set_filter(sc); 1303 } 1304 break; 1305 default: 1306 error = ether_ioctl(ifp, command, data); 1307 break; 1308 } 1309 1310 splx(s); 1311 1312 return (error); 1313 } 1314 1315 void 1316 txp_init(struct txp_softc *sc) 1317 { 1318 struct ifnet *ifp = &sc->sc_arpcom.ec_if; 1319 int s; 1320 1321 txp_stop(sc); 1322 1323 s = splnet(); 1324 1325 txp_set_filter(sc); 1326 1327 txp_command(sc, TXP_CMD_TX_ENABLE, 0, 0, 0, NULL, NULL, NULL, 1); 1328 txp_command(sc, TXP_CMD_RX_ENABLE, 0, 0, 0, NULL, NULL, NULL, 1); 1329 1330 WRITE_REG(sc, TXP_IER, TXP_INT_RESERVED | TXP_INT_SELF | 1331 TXP_INT_A2H_7 | TXP_INT_A2H_6 | TXP_INT_A2H_5 | TXP_INT_A2H_4 | 1332 TXP_INT_A2H_2 | TXP_INT_A2H_1 | TXP_INT_A2H_0 | 1333 TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | 1334 TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | TXP_INT_LATCH); 1335 WRITE_REG(sc, TXP_IMR, TXP_INT_A2H_3); 1336 1337 ifp->if_flags |= IFF_RUNNING; 1338 ifp->if_flags &= ~IFF_OACTIVE; 1339 ifp->if_timer = 0; 1340 1341 if (!callout_pending(&sc->sc_tick)) 1342 callout_schedule(&sc->sc_tick, hz); 1343 1344 splx(s); 1345 } 1346 1347 void 1348 txp_tick(void *vsc) 1349 { 1350 struct txp_softc *sc = vsc; 1351 struct ifnet *ifp = &sc->sc_arpcom.ec_if; 1352 struct txp_rsp_desc *rsp = NULL; 1353 struct txp_ext_desc *ext; 1354 int s; 1355 1356 s = splnet(); 1357 txp_rxbuf_reclaim(sc); 1358 1359 if (txp_command2(sc, TXP_CMD_READ_STATISTICS, 0, 0, 0, NULL, 0, 1360 &rsp, 1)) 1361 goto out; 1362 if (rsp->rsp_numdesc != 6) 1363 goto out; 1364 if (txp_command(sc, TXP_CMD_CLEAR_STATISTICS, 0, 0, 0, 1365 NULL, NULL, NULL, 1)) 1366 goto out; 1367 ext = (struct txp_ext_desc *)(rsp + 1); 1368 1369 ifp->if_ierrors += ext[3].ext_2 + ext[3].ext_3 + ext[3].ext_4 + 1370 ext[4].ext_1 + ext[4].ext_4; 1371 ifp->if_oerrors += ext[0].ext_1 + ext[1].ext_1 + ext[1].ext_4 + 1372 ext[2].ext_1; 1373 ifp->if_collisions += ext[0].ext_2 + ext[0].ext_3 + ext[1].ext_2 + 1374 ext[1].ext_3; 1375 ifp->if_opackets += rsp->rsp_par2; 1376 ifp->if_ipackets += ext[2].ext_3; 1377 1378 out: 1379 if (rsp != NULL) 1380 free(rsp, M_DEVBUF); 1381 1382 splx(s); 1383 callout_schedule(&sc->sc_tick, hz); 1384 } 1385 1386 void 1387 txp_start(struct ifnet *ifp) 1388 { 1389 struct txp_softc *sc = ifp->if_softc; 1390 struct txp_tx_ring *r = &sc->sc_txhir; 1391 struct txp_tx_desc *txd; 1392 int txdidx; 1393 struct txp_frag_desc *fxd; 1394 struct mbuf *m, *mnew; 1395 struct txp_swdesc *sd; 1396 uint32_t firstprod, firstcnt, prod, cnt, i; 1397 1398 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 1399 return; 1400 1401 prod = r->r_prod; 1402 cnt = r->r_cnt; 1403 1404 while (1) { 1405 IFQ_POLL(&ifp->if_snd, m); 1406 if (m == NULL) 1407 break; 1408 mnew = NULL; 1409 1410 firstprod = prod; 1411 firstcnt = cnt; 1412 1413 sd = sc->sc_txd + prod; 1414 sd->sd_mbuf = m; 1415 1416 if (bus_dmamap_load_mbuf(sc->sc_dmat, sd->sd_map, m, 1417 BUS_DMA_NOWAIT)) { 1418 MGETHDR(mnew, M_DONTWAIT, MT_DATA); 1419 if (mnew == NULL) 1420 goto oactive1; 1421 if (m->m_pkthdr.len > MHLEN) { 1422 MCLGET(mnew, M_DONTWAIT); 1423 if ((mnew->m_flags & M_EXT) == 0) { 1424 m_freem(mnew); 1425 goto oactive1; 1426 } 1427 } 1428 m_copydata(m, 0, m->m_pkthdr.len, mtod(mnew, void *)); 1429 mnew->m_pkthdr.len = mnew->m_len = m->m_pkthdr.len; 1430 IFQ_DEQUEUE(&ifp->if_snd, m); 1431 m_freem(m); 1432 m = mnew; 1433 if (bus_dmamap_load_mbuf(sc->sc_dmat, sd->sd_map, m, 1434 BUS_DMA_NOWAIT)) 1435 goto oactive1; 1436 } 1437 1438 if ((TX_ENTRIES - cnt) < 4) 1439 goto oactive; 1440 1441 txd = r->r_desc + prod; 1442 txdidx = prod; 1443 txd->tx_flags = TX_FLAGS_TYPE_DATA; 1444 txd->tx_numdesc = 0; 1445 txd->tx_addrlo = 0; 1446 txd->tx_addrhi = 0; 1447 txd->tx_totlen = m->m_pkthdr.len; 1448 txd->tx_pflags = 0; 1449 txd->tx_numdesc = sd->sd_map->dm_nsegs; 1450 1451 if (++prod == TX_ENTRIES) 1452 prod = 0; 1453 1454 if (++cnt >= (TX_ENTRIES - 4)) 1455 goto oactive; 1456 1457 if (vlan_has_tag(m)) 1458 txd->tx_pflags = TX_PFLAGS_VLAN | 1459 (htons(vlan_get_tag(m)) << TX_PFLAGS_VLANTAG_S); 1460 1461 if (m->m_pkthdr.csum_flags & M_CSUM_IPv4) 1462 txd->tx_pflags |= TX_PFLAGS_IPCKSUM; 1463 #ifdef TRY_TX_TCP_CSUM 1464 if (m->m_pkthdr.csum_flags & M_CSUM_TCPv4) 1465 txd->tx_pflags |= TX_PFLAGS_TCPCKSUM; 1466 #endif 1467 #ifdef TRY_TX_UDP_CSUM 1468 if (m->m_pkthdr.csum_flags & M_CSUM_UDPv4) 1469 txd->tx_pflags |= TX_PFLAGS_UDPCKSUM; 1470 #endif 1471 1472 bus_dmamap_sync(sc->sc_dmat, sd->sd_map, 0, 1473 sd->sd_map->dm_mapsize, BUS_DMASYNC_PREWRITE); 1474 1475 fxd = (struct txp_frag_desc *)(r->r_desc + prod); 1476 for (i = 0; i < sd->sd_map->dm_nsegs; i++) { 1477 if (++cnt >= (TX_ENTRIES - 4)) { 1478 bus_dmamap_sync(sc->sc_dmat, sd->sd_map, 1479 0, sd->sd_map->dm_mapsize, 1480 BUS_DMASYNC_POSTWRITE); 1481 goto oactive; 1482 } 1483 1484 fxd->frag_flags = FRAG_FLAGS_TYPE_FRAG | 1485 FRAG_FLAGS_VALID; 1486 fxd->frag_rsvd1 = 0; 1487 fxd->frag_len = sd->sd_map->dm_segs[i].ds_len; 1488 fxd->frag_addrlo = 1489 ((uint64_t)sd->sd_map->dm_segs[i].ds_addr) & 1490 0xffffffff; 1491 fxd->frag_addrhi = 1492 ((uint64_t)sd->sd_map->dm_segs[i].ds_addr) >> 1493 32; 1494 fxd->frag_rsvd2 = 0; 1495 1496 bus_dmamap_sync(sc->sc_dmat, 1497 sc->sc_txhiring_dma.dma_map, 1498 prod * sizeof(struct txp_frag_desc), 1499 sizeof(struct txp_frag_desc), BUS_DMASYNC_PREWRITE); 1500 1501 if (++prod == TX_ENTRIES) { 1502 fxd = (struct txp_frag_desc *)r->r_desc; 1503 prod = 0; 1504 } else 1505 fxd++; 1506 1507 } 1508 1509 /* 1510 * if mnew isn't NULL, we already dequeued and copied 1511 * the packet. 1512 */ 1513 if (mnew == NULL) 1514 IFQ_DEQUEUE(&ifp->if_snd, m); 1515 1516 ifp->if_timer = 5; 1517 1518 bpf_mtap(ifp, m, BPF_D_OUT); 1519 1520 txd->tx_flags |= TX_FLAGS_VALID; 1521 bus_dmamap_sync(sc->sc_dmat, sc->sc_txhiring_dma.dma_map, 1522 txdidx * sizeof(struct txp_tx_desc), 1523 sizeof(struct txp_tx_desc), BUS_DMASYNC_PREWRITE); 1524 1525 #if 0 1526 { 1527 struct mbuf *mx; 1528 int i; 1529 1530 printf("txd: flags 0x%x ndesc %d totlen %d pflags 0x%x\n", 1531 txd->tx_flags, txd->tx_numdesc, txd->tx_totlen, 1532 txd->tx_pflags); 1533 for (mx = m; mx != NULL; mx = mx->m_next) { 1534 for (i = 0; i < mx->m_len; i++) { 1535 printf(":%02x", 1536 (uint8_t)m->m_data[i]); 1537 } 1538 } 1539 printf("\n"); 1540 } 1541 #endif 1542 1543 WRITE_REG(sc, r->r_reg, TXP_IDX2OFFSET(prod)); 1544 } 1545 1546 r->r_prod = prod; 1547 r->r_cnt = cnt; 1548 return; 1549 1550 oactive: 1551 bus_dmamap_unload(sc->sc_dmat, sd->sd_map); 1552 oactive1: 1553 ifp->if_flags |= IFF_OACTIVE; 1554 r->r_prod = firstprod; 1555 r->r_cnt = firstcnt; 1556 } 1557 1558 /* 1559 * Handle simple commands sent to the typhoon 1560 */ 1561 int 1562 txp_command(struct txp_softc *sc, uint16_t id, uint16_t in1, uint32_t in2, 1563 uint32_t in3, uint16_t *out1, uint32_t *out2, uint32_t *out3, int wait) 1564 { 1565 struct txp_rsp_desc *rsp = NULL; 1566 1567 if (txp_command2(sc, id, in1, in2, in3, NULL, 0, &rsp, wait)) 1568 return (-1); 1569 1570 if (!wait) 1571 return (0); 1572 1573 if (out1 != NULL) 1574 *out1 = le16toh(rsp->rsp_par1); 1575 if (out2 != NULL) 1576 *out2 = le32toh(rsp->rsp_par2); 1577 if (out3 != NULL) 1578 *out3 = le32toh(rsp->rsp_par3); 1579 free(rsp, M_DEVBUF); 1580 return (0); 1581 } 1582 1583 int 1584 txp_command2(struct txp_softc *sc, uint16_t id, uint16_t in1, uint32_t in2, 1585 uint32_t in3, struct txp_ext_desc *in_extp, uint8_t in_extn, 1586 struct txp_rsp_desc **rspp, int wait) 1587 { 1588 struct txp_hostvar *hv = sc->sc_hostvar; 1589 struct txp_cmd_desc *cmd; 1590 struct txp_ext_desc *ext; 1591 uint32_t idx, i; 1592 uint16_t seq; 1593 1594 if (txp_cmd_desc_numfree(sc) < (in_extn + 1)) { 1595 printf("%s: no free cmd descriptors\n", TXP_DEVNAME(sc)); 1596 return (-1); 1597 } 1598 1599 idx = sc->sc_cmdring.lastwrite; 1600 cmd = (struct txp_cmd_desc *)(((uint8_t *)sc->sc_cmdring.base) + idx); 1601 memset(cmd, 0, sizeof(*cmd)); 1602 1603 cmd->cmd_numdesc = in_extn; 1604 seq = sc->sc_seq++; 1605 cmd->cmd_seq = htole16(seq); 1606 cmd->cmd_id = htole16(id); 1607 cmd->cmd_par1 = htole16(in1); 1608 cmd->cmd_par2 = htole32(in2); 1609 cmd->cmd_par3 = htole32(in3); 1610 cmd->cmd_flags = CMD_FLAGS_TYPE_CMD | 1611 (wait ? CMD_FLAGS_RESP : 0) | CMD_FLAGS_VALID; 1612 1613 idx += sizeof(struct txp_cmd_desc); 1614 if (idx == sc->sc_cmdring.size) 1615 idx = 0; 1616 1617 for (i = 0; i < in_extn; i++) { 1618 ext = (struct txp_ext_desc *)(((uint8_t *)sc->sc_cmdring.base) + idx); 1619 memcpy(ext, in_extp, sizeof(struct txp_ext_desc)); 1620 in_extp++; 1621 idx += sizeof(struct txp_cmd_desc); 1622 if (idx == sc->sc_cmdring.size) 1623 idx = 0; 1624 } 1625 1626 sc->sc_cmdring.lastwrite = idx; 1627 1628 WRITE_REG(sc, TXP_H2A_2, sc->sc_cmdring.lastwrite); 1629 bus_dmamap_sync(sc->sc_dmat, sc->sc_host_dma.dma_map, 0, 1630 sizeof(struct txp_hostvar), BUS_DMASYNC_PREREAD); 1631 1632 if (!wait) 1633 return (0); 1634 1635 for (i = 0; i < 10000; i++) { 1636 bus_dmamap_sync(sc->sc_dmat, sc->sc_host_dma.dma_map, 0, 1637 sizeof(struct txp_hostvar), BUS_DMASYNC_POSTREAD); 1638 idx = le32toh(hv->hv_resp_read_idx); 1639 if (idx != le32toh(hv->hv_resp_write_idx)) { 1640 *rspp = NULL; 1641 if (txp_response(sc, idx, id, seq, rspp)) 1642 return (-1); 1643 if (*rspp != NULL) 1644 break; 1645 } 1646 bus_dmamap_sync(sc->sc_dmat, sc->sc_host_dma.dma_map, 0, 1647 sizeof(struct txp_hostvar), BUS_DMASYNC_PREREAD); 1648 DELAY(50); 1649 } 1650 if (i == 1000 || (*rspp) == NULL) { 1651 printf("%s: 0x%x command failed\n", TXP_DEVNAME(sc), id); 1652 return (-1); 1653 } 1654 1655 return (0); 1656 } 1657 1658 int 1659 txp_response(struct txp_softc *sc, uint32_t ridx, uint16_t id, uint16_t seq, 1660 struct txp_rsp_desc **rspp) 1661 { 1662 struct txp_hostvar *hv = sc->sc_hostvar; 1663 struct txp_rsp_desc *rsp; 1664 1665 while (ridx != le32toh(hv->hv_resp_write_idx)) { 1666 rsp = (struct txp_rsp_desc *)(((uint8_t *)sc->sc_rspring.base) + ridx); 1667 1668 if (id == le16toh(rsp->rsp_id) && le16toh(rsp->rsp_seq) == seq) { 1669 *rspp = (struct txp_rsp_desc *)malloc( 1670 sizeof(struct txp_rsp_desc) * (rsp->rsp_numdesc + 1), 1671 M_DEVBUF, M_NOWAIT); 1672 if ((*rspp) == NULL) 1673 return (-1); 1674 txp_rsp_fixup(sc, rsp, *rspp); 1675 return (0); 1676 } 1677 1678 if (rsp->rsp_flags & RSP_FLAGS_ERROR) { 1679 printf("%s: response error: id 0x%x\n", 1680 TXP_DEVNAME(sc), le16toh(rsp->rsp_id)); 1681 txp_rsp_fixup(sc, rsp, NULL); 1682 ridx = le32toh(hv->hv_resp_read_idx); 1683 continue; 1684 } 1685 1686 switch (le16toh(rsp->rsp_id)) { 1687 case TXP_CMD_CYCLE_STATISTICS: 1688 case TXP_CMD_MEDIA_STATUS_READ: 1689 break; 1690 case TXP_CMD_HELLO_RESPONSE: 1691 printf("%s: hello\n", TXP_DEVNAME(sc)); 1692 break; 1693 default: 1694 printf("%s: unknown id(0x%x)\n", TXP_DEVNAME(sc), 1695 le16toh(rsp->rsp_id)); 1696 } 1697 1698 txp_rsp_fixup(sc, rsp, NULL); 1699 ridx = le32toh(hv->hv_resp_read_idx); 1700 hv->hv_resp_read_idx = le32toh(ridx); 1701 } 1702 1703 return (0); 1704 } 1705 1706 void 1707 txp_rsp_fixup(struct txp_softc *sc, struct txp_rsp_desc *rsp, 1708 struct txp_rsp_desc *dst) 1709 { 1710 struct txp_rsp_desc *src = rsp; 1711 struct txp_hostvar *hv = sc->sc_hostvar; 1712 uint32_t i, ridx; 1713 1714 ridx = le32toh(hv->hv_resp_read_idx); 1715 1716 for (i = 0; i < rsp->rsp_numdesc + 1; i++) { 1717 if (dst != NULL) 1718 memcpy(dst++, src, sizeof(struct txp_rsp_desc)); 1719 ridx += sizeof(struct txp_rsp_desc); 1720 if (ridx == sc->sc_rspring.size) { 1721 src = sc->sc_rspring.base; 1722 ridx = 0; 1723 } else 1724 src++; 1725 sc->sc_rspring.lastwrite = ridx; 1726 hv->hv_resp_read_idx = htole32(ridx); 1727 } 1728 1729 hv->hv_resp_read_idx = htole32(ridx); 1730 } 1731 1732 int 1733 txp_cmd_desc_numfree(struct txp_softc *sc) 1734 { 1735 struct txp_hostvar *hv = sc->sc_hostvar; 1736 struct txp_boot_record *br = sc->sc_boot; 1737 uint32_t widx, ridx, nfree; 1738 1739 widx = sc->sc_cmdring.lastwrite; 1740 ridx = le32toh(hv->hv_cmd_read_idx); 1741 1742 if (widx == ridx) { 1743 /* Ring is completely free */ 1744 nfree = le32toh(br->br_cmd_siz) - sizeof(struct txp_cmd_desc); 1745 } else { 1746 if (widx > ridx) 1747 nfree = le32toh(br->br_cmd_siz) - 1748 (widx - ridx + sizeof(struct txp_cmd_desc)); 1749 else 1750 nfree = ridx - widx - sizeof(struct txp_cmd_desc); 1751 } 1752 1753 return (nfree / sizeof(struct txp_cmd_desc)); 1754 } 1755 1756 void 1757 txp_stop(struct txp_softc *sc) 1758 { 1759 txp_command(sc, TXP_CMD_TX_DISABLE, 0, 0, 0, NULL, NULL, NULL, 1); 1760 txp_command(sc, TXP_CMD_RX_DISABLE, 0, 0, 0, NULL, NULL, NULL, 1); 1761 1762 if (callout_pending(&sc->sc_tick)) 1763 callout_stop(&sc->sc_tick); 1764 } 1765 1766 void 1767 txp_watchdog(struct ifnet *ifp) 1768 { 1769 } 1770 1771 int 1772 txp_ifmedia_upd(struct ifnet *ifp) 1773 { 1774 struct txp_softc *sc = ifp->if_softc; 1775 struct ifmedia *ifm = &sc->sc_ifmedia; 1776 uint16_t new_xcvr; 1777 1778 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 1779 return (EINVAL); 1780 1781 if (IFM_SUBTYPE(ifm->ifm_media) == IFM_10_T) { 1782 if ((ifm->ifm_media & IFM_FDX) != 0) 1783 new_xcvr = TXP_XCVR_10_FDX; 1784 else 1785 new_xcvr = TXP_XCVR_10_HDX; 1786 } else if ((IFM_SUBTYPE(ifm->ifm_media) == IFM_100_TX) || 1787 (IFM_SUBTYPE(ifm->ifm_media) == IFM_100_FX)) { 1788 if ((ifm->ifm_media & IFM_FDX) != 0) 1789 new_xcvr = TXP_XCVR_100_FDX; 1790 else 1791 new_xcvr = TXP_XCVR_100_HDX; 1792 } else if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) { 1793 new_xcvr = TXP_XCVR_AUTO; 1794 } else 1795 return (EINVAL); 1796 1797 /* nothing to do */ 1798 if (sc->sc_xcvr == new_xcvr) 1799 return (0); 1800 1801 txp_command(sc, TXP_CMD_XCVR_SELECT, new_xcvr, 0, 0, 1802 NULL, NULL, NULL, 0); 1803 sc->sc_xcvr = new_xcvr; 1804 1805 return (0); 1806 } 1807 1808 void 1809 txp_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 1810 { 1811 struct txp_softc *sc = ifp->if_softc; 1812 struct ifmedia *ifm = &sc->sc_ifmedia; 1813 uint16_t bmsr, bmcr, anlpar; 1814 1815 ifmr->ifm_status = IFM_AVALID; 1816 ifmr->ifm_active = IFM_ETHER; 1817 1818 if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_BMSR, 0, 1819 &bmsr, NULL, NULL, 1)) 1820 goto bail; 1821 if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_BMSR, 0, 1822 &bmsr, NULL, NULL, 1)) 1823 goto bail; 1824 1825 if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_BMCR, 0, 1826 &bmcr, NULL, NULL, 1)) 1827 goto bail; 1828 1829 if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_ANLPAR, 0, 1830 &anlpar, NULL, NULL, 1)) 1831 goto bail; 1832 1833 if (bmsr & BMSR_LINK) 1834 ifmr->ifm_status |= IFM_ACTIVE; 1835 1836 if (bmcr & BMCR_ISO) { 1837 ifmr->ifm_active |= IFM_NONE; 1838 ifmr->ifm_status = 0; 1839 return; 1840 } 1841 1842 if (bmcr & BMCR_LOOP) 1843 ifmr->ifm_active |= IFM_LOOP; 1844 1845 if (!(sc->sc_flags & TXP_FIBER) && (bmcr & BMCR_AUTOEN)) { 1846 if ((bmsr & BMSR_ACOMP) == 0) { 1847 ifmr->ifm_active |= IFM_NONE; 1848 return; 1849 } 1850 1851 if (anlpar & ANLPAR_TX_FD) 1852 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 1853 else if (anlpar & ANLPAR_T4) 1854 ifmr->ifm_active |= IFM_100_T4 | IFM_HDX; 1855 else if (anlpar & ANLPAR_TX) 1856 ifmr->ifm_active |= IFM_100_TX | IFM_HDX; 1857 else if (anlpar & ANLPAR_10_FD) 1858 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 1859 else if (anlpar & ANLPAR_10) 1860 ifmr->ifm_active |= IFM_10_T | IFM_HDX; 1861 else 1862 ifmr->ifm_active |= IFM_NONE; 1863 } else 1864 ifmr->ifm_active = ifm->ifm_cur->ifm_media; 1865 return; 1866 1867 bail: 1868 ifmr->ifm_active |= IFM_NONE; 1869 ifmr->ifm_status &= ~IFM_AVALID; 1870 } 1871 1872 void 1873 txp_show_descriptor(void *d) 1874 { 1875 struct txp_cmd_desc *cmd = d; 1876 struct txp_rsp_desc *rsp = d; 1877 struct txp_tx_desc *txd = d; 1878 struct txp_frag_desc *frgd = d; 1879 1880 switch (cmd->cmd_flags & CMD_FLAGS_TYPE_M) { 1881 case CMD_FLAGS_TYPE_CMD: 1882 /* command descriptor */ 1883 printf("[cmd flags 0x%x num %d id %d seq %d par1 0x%x par2 " 1884 "0x%x par3 0x%x]\n", 1885 cmd->cmd_flags, cmd->cmd_numdesc, le16toh(cmd->cmd_id), 1886 le16toh(cmd->cmd_seq), le16toh(cmd->cmd_par1), 1887 le32toh(cmd->cmd_par2), le32toh(cmd->cmd_par3)); 1888 break; 1889 case CMD_FLAGS_TYPE_RESP: 1890 /* response descriptor */ 1891 printf("[rsp flags 0x%x num %d id %d seq %d par1 0x%x par2 " 1892 "0x%x par3 0x%x]\n", 1893 rsp->rsp_flags, rsp->rsp_numdesc, le16toh(rsp->rsp_id), 1894 le16toh(rsp->rsp_seq), le16toh(rsp->rsp_par1), 1895 le32toh(rsp->rsp_par2), le32toh(rsp->rsp_par3)); 1896 break; 1897 case CMD_FLAGS_TYPE_DATA: 1898 /* data header (assuming tx for now) */ 1899 printf("[data flags 0x%x num %d totlen %d addr 0x%x/0x%x " 1900 "pflags 0x%x]", 1901 txd->tx_flags, txd->tx_numdesc, txd->tx_totlen, 1902 txd->tx_addrlo, txd->tx_addrhi, txd->tx_pflags); 1903 break; 1904 case CMD_FLAGS_TYPE_FRAG: 1905 /* fragment descriptor */ 1906 printf("[frag flags 0x%x rsvd1 0x%x len %d addr 0x%x/0x%x " 1907 "rsvd2 0x%x]", 1908 frgd->frag_flags, frgd->frag_rsvd1, frgd->frag_len, 1909 frgd->frag_addrlo, frgd->frag_addrhi, frgd->frag_rsvd2); 1910 break; 1911 default: 1912 printf("[unknown(%x) flags 0x%x num %d id %d seq %d par1 " 1913 "0x%x par2 0x%x par3 0x%x]\n", 1914 cmd->cmd_flags & CMD_FLAGS_TYPE_M, 1915 cmd->cmd_flags, cmd->cmd_numdesc, le16toh(cmd->cmd_id), 1916 le16toh(cmd->cmd_seq), le16toh(cmd->cmd_par1), 1917 le32toh(cmd->cmd_par2), le32toh(cmd->cmd_par3)); 1918 break; 1919 } 1920 } 1921 1922 void 1923 txp_set_filter(struct txp_softc *sc) 1924 { 1925 struct ethercom *ec = &sc->sc_arpcom; 1926 struct ifnet *ifp = &sc->sc_arpcom.ec_if; 1927 uint32_t crc, carry, hashbit, hash[2]; 1928 uint16_t filter; 1929 uint8_t octet; 1930 int i, j, mcnt = 0; 1931 struct ether_multi *enm; 1932 struct ether_multistep step; 1933 1934 if (ifp->if_flags & IFF_PROMISC) { 1935 filter = TXP_RXFILT_PROMISC; 1936 goto setit; 1937 } 1938 1939 again: 1940 filter = TXP_RXFILT_DIRECT; 1941 1942 if (ifp->if_flags & IFF_BROADCAST) 1943 filter |= TXP_RXFILT_BROADCAST; 1944 1945 if (ifp->if_flags & IFF_ALLMULTI) 1946 filter |= TXP_RXFILT_ALLMULTI; 1947 else { 1948 hash[0] = hash[1] = 0; 1949 1950 ETHER_LOCK(ec); 1951 ETHER_FIRST_MULTI(step, ec, enm); 1952 while (enm != NULL) { 1953 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 1954 ETHER_ADDR_LEN)) { 1955 /* 1956 * We must listen to a range of multicast 1957 * addresses. For now, just accept all 1958 * multicasts, rather than trying to set only 1959 * those filter bits needed to match the range. 1960 * (At this time, the only use of address 1961 * ranges is for IP multicast routing, for 1962 * which the range is big enough to require 1963 * all bits set.) 1964 */ 1965 ifp->if_flags |= IFF_ALLMULTI; 1966 ETHER_UNLOCK(ec); 1967 goto again; 1968 } 1969 1970 mcnt++; 1971 crc = 0xffffffff; 1972 1973 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1974 octet = enm->enm_addrlo[i]; 1975 for (j = 0; j < 8; j++) { 1976 carry = ((crc & 0x80000000) ? 1 : 0) ^ 1977 (octet & 1); 1978 crc <<= 1; 1979 octet >>= 1; 1980 if (carry) 1981 crc = (crc ^ TXP_POLYNOMIAL) | 1982 carry; 1983 } 1984 } 1985 hashbit = (uint16_t)(crc & (64 - 1)); 1986 hash[hashbit / 32] |= (1 << hashbit % 32); 1987 ETHER_NEXT_MULTI(step, enm); 1988 } 1989 ETHER_UNLOCK(ec); 1990 1991 if (mcnt > 0) { 1992 filter |= TXP_RXFILT_HASHMULTI; 1993 txp_command(sc, TXP_CMD_MCAST_HASH_MASK_WRITE, 1994 2, hash[0], hash[1], NULL, NULL, NULL, 0); 1995 } 1996 } 1997 1998 setit: 1999 txp_command(sc, TXP_CMD_RX_FILTER_WRITE, filter, 0, 0, 2000 NULL, NULL, NULL, 1); 2001 } 2002 2003 void 2004 txp_capabilities(struct txp_softc *sc) 2005 { 2006 struct ifnet *ifp = &sc->sc_arpcom.ec_if; 2007 struct txp_rsp_desc *rsp = NULL; 2008 struct txp_ext_desc *ext; 2009 2010 if (txp_command2(sc, TXP_CMD_OFFLOAD_READ, 0, 0, 0, NULL, 0, &rsp, 1)) 2011 goto out; 2012 2013 if (rsp->rsp_numdesc != 1) 2014 goto out; 2015 ext = (struct txp_ext_desc *)(rsp + 1); 2016 2017 sc->sc_tx_capability = ext->ext_1 & OFFLOAD_MASK; 2018 sc->sc_rx_capability = ext->ext_2 & OFFLOAD_MASK; 2019 2020 sc->sc_arpcom.ec_capabilities |= ETHERCAP_VLAN_MTU; 2021 if (rsp->rsp_par2 & rsp->rsp_par3 & OFFLOAD_VLAN) { 2022 sc->sc_tx_capability |= OFFLOAD_VLAN; 2023 sc->sc_rx_capability |= OFFLOAD_VLAN; 2024 sc->sc_arpcom.ec_capabilities |= ETHERCAP_VLAN_HWTAGGING; 2025 } 2026 2027 #if 0 2028 /* not ready yet */ 2029 if (rsp->rsp_par2 & rsp->rsp_par3 & OFFLOAD_IPSEC) { 2030 sc->sc_tx_capability |= OFFLOAD_IPSEC; 2031 sc->sc_rx_capability |= OFFLOAD_IPSEC; 2032 ifp->if_capabilities |= IFCAP_IPSEC; 2033 } 2034 #endif 2035 2036 if (rsp->rsp_par2 & rsp->rsp_par3 & OFFLOAD_IPCKSUM) { 2037 sc->sc_tx_capability |= OFFLOAD_IPCKSUM; 2038 sc->sc_rx_capability |= OFFLOAD_IPCKSUM; 2039 ifp->if_capabilities |= IFCAP_CSUM_IPv4_Tx | IFCAP_CSUM_IPv4_Rx; 2040 } 2041 2042 if (rsp->rsp_par2 & rsp->rsp_par3 & OFFLOAD_TCPCKSUM) { 2043 sc->sc_rx_capability |= OFFLOAD_TCPCKSUM; 2044 #ifdef TRY_TX_TCP_CSUM 2045 sc->sc_tx_capability |= OFFLOAD_TCPCKSUM; 2046 ifp->if_capabilities |= 2047 IFCAP_CSUM_TCPv4_Tx | IFCAP_CSUM_TCPv4_Rx; 2048 #endif 2049 } 2050 2051 if (rsp->rsp_par2 & rsp->rsp_par3 & OFFLOAD_UDPCKSUM) { 2052 sc->sc_rx_capability |= OFFLOAD_UDPCKSUM; 2053 #ifdef TRY_TX_UDP_CSUM 2054 sc->sc_tx_capability |= OFFLOAD_UDPCKSUM; 2055 ifp->if_capabilities |= 2056 IFCAP_CSUM_UDPv4_Tx | IFCAP_CSUM_UDPv4_Rx; 2057 #endif 2058 } 2059 2060 if (txp_command(sc, TXP_CMD_OFFLOAD_WRITE, 0, 2061 sc->sc_tx_capability, sc->sc_rx_capability, NULL, NULL, NULL, 1)) 2062 goto out; 2063 2064 out: 2065 if (rsp != NULL) 2066 free(rsp, M_DEVBUF); 2067 } 2068
Indexes created Tue Sep 30 20:09:53 GMT 2025