| if_sn.c (63090) | if_sn.c (66058) |
|---|---|
| 1/* 2 * Copyright (c) 1996 Gardner Buchanan <gbuchanan@shl.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 14 unchanged lines hidden (view full) --- 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * | 1/* 2 * Copyright (c) 1996 Gardner Buchanan <gbuchanan@shl.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 14 unchanged lines hidden (view full) --- 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * |
| 31 * $FreeBSD: head/sys/dev/sn/if_sn.c 63090 2000-07-13 22:54:34Z archie $ | 31 * $FreeBSD: head/sys/dev/sn/if_sn.c 66058 2000-09-19 04:39:20Z imp $ |
| 32 */ 33 34/* 35 * This is a driver for SMC's 9000 series of Ethernet adapters. 36 * 37 * This FreeBSD driver is derived from the smc9194 Linux driver by 38 * Erik Stahlman and is Copyright (C) 1996 by Erik Stahlman. 39 * This driver also shamelessly borrows from the FreeBSD ep driver --- 33 unchanged lines hidden (view full) --- 73 * 74 * Copyright (c) 1996 by Tatsumi Hosokawa <hosokawa@jp.FreeBSD.org> 75 * BSD-nomads, Tokyo, Japan. 76 */ 77/* 78 * Multicast support by Kei TANAKA <kei@pal.xerox.com> 79 * Special thanks to itojun@itojun.org 80 */ | 32 */ 33 34/* 35 * This is a driver for SMC's 9000 series of Ethernet adapters. 36 * 37 * This FreeBSD driver is derived from the smc9194 Linux driver by 38 * Erik Stahlman and is Copyright (C) 1996 by Erik Stahlman. 39 * This driver also shamelessly borrows from the FreeBSD ep driver --- 33 unchanged lines hidden (view full) --- 73 * 74 * Copyright (c) 1996 by Tatsumi Hosokawa <hosokawa@jp.FreeBSD.org> 75 * BSD-nomads, Tokyo, Japan. 76 */ 77/* 78 * Multicast support by Kei TANAKA <kei@pal.xerox.com> 79 * Special thanks to itojun@itojun.org 80 */ |
| 81#define SN_DEBUG |
|
| 81 | 82 |
| 82#undef SN_DEBUG /* (by hosokawa) */ 83 | |
| 84#include <sys/param.h> 85#include <sys/systm.h> 86#include <sys/errno.h> 87#include <sys/sockio.h> 88#include <sys/mbuf.h> 89#include <sys/socket.h> 90#include <sys/syslog.h> 91 --- 264 unchanged lines hidden (view full) --- 356 register struct mbuf *m; 357 struct mbuf *top; 358 int s, pad; 359 int mask; 360 u_short length; 361 u_short numPages; 362 u_char packet_no; 363 int time_out; | 83#include <sys/param.h> 84#include <sys/systm.h> 85#include <sys/errno.h> 86#include <sys/sockio.h> 87#include <sys/mbuf.h> 88#include <sys/socket.h> 89#include <sys/syslog.h> 90 --- 264 unchanged lines hidden (view full) --- 355 register struct mbuf *m; 356 struct mbuf *top; 357 int s, pad; 358 int mask; 359 u_short length; 360 u_short numPages; 361 u_char packet_no; 362 int time_out; |
| 363 int junk = 0; |
|
| 364 365 s = splimp(); 366 367 if (sc->arpcom.ac_if.if_flags & IFF_OACTIVE) { 368 splx(s); 369 return; 370 } 371 if (sc->pages_wanted != -1) { --- 66 unchanged lines hidden (view full) --- 438 */ 439 440 time_out = MEMORY_WAIT_TIME; 441 do { 442 if (inb(BASE + INTR_STAT_REG_B) & IM_ALLOC_INT) 443 break; 444 } while (--time_out); 445 | 364 365 s = splimp(); 366 367 if (sc->arpcom.ac_if.if_flags & IFF_OACTIVE) { 368 splx(s); 369 return; 370 } 371 if (sc->pages_wanted != -1) { --- 66 unchanged lines hidden (view full) --- 438 */ 439 440 time_out = MEMORY_WAIT_TIME; 441 do { 442 if (inb(BASE + INTR_STAT_REG_B) & IM_ALLOC_INT) 443 break; 444 } while (--time_out); 445 |
| 446 if (!time_out) { | 446 if (!time_out || junk > 10) { |
| 447 448 /* 449 * No memory now. Oh well, wait until the chip finds memory 450 * later. Remember how many pages we were asking for and 451 * enable the allocation completion interrupt. Also set a 452 * watchdog in case we miss the interrupt. We mark the 453 * interface active since there is no point in attempting an 454 * snstart() until after the memory is available. --- 9 unchanged lines hidden (view full) --- 464 splx(s); 465 return; 466 } 467 /* 468 * The memory allocation completed. Check the results. 469 */ 470 packet_no = inb(BASE + ALLOC_RESULT_REG_B); 471 if (packet_no & ARR_FAILED) { | 447 448 /* 449 * No memory now. Oh well, wait until the chip finds memory 450 * later. Remember how many pages we were asking for and 451 * enable the allocation completion interrupt. Also set a 452 * watchdog in case we miss the interrupt. We mark the 453 * interface active since there is no point in attempting an 454 * snstart() until after the memory is available. --- 9 unchanged lines hidden (view full) --- 464 splx(s); 465 return; 466 } 467 /* 468 * The memory allocation completed. Check the results. 469 */ 470 packet_no = inb(BASE + ALLOC_RESULT_REG_B); 471 if (packet_no & ARR_FAILED) { |
| 472 printf("sn%d: Memory allocation failed\n", ifp->if_unit); | 472 if (junk++ > 10) 473 printf("sn%d: Memory allocation failed\n", ifp->if_unit); |
| 473 goto startagain; 474 } 475 /* 476 * We have a packet number, so tell the card to use it. 477 */ 478 outb(BASE + PACKET_NUM_REG_B, packet_no); 479 480 /* --- 757 unchanged lines hidden (view full) --- 1238{ 1239 struct sn_softc *sc = device_get_softc(dev); 1240 int err; 1241 1242 sc->port_rid = 0; 1243 sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid, 1244 0, ~0, SMC_IO_EXTENT, RF_ACTIVE); 1245 if (!sc->port_res) { | 474 goto startagain; 475 } 476 /* 477 * We have a packet number, so tell the card to use it. 478 */ 479 outb(BASE + PACKET_NUM_REG_B, packet_no); 480 481 /* --- 757 unchanged lines hidden (view full) --- 1239{ 1240 struct sn_softc *sc = device_get_softc(dev); 1241 int err; 1242 1243 sc->port_rid = 0; 1244 sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid, 1245 0, ~0, SMC_IO_EXTENT, RF_ACTIVE); 1246 if (!sc->port_res) { |
| 1246#ifdef SN_DEBUG 1247 device_printf(dev, "Cannot allocate ioport\n"); 1248#endif | 1247 if (bootverbose) 1248 device_printf(dev, "Cannot allocate ioport\n"); |
| 1249 return ENOMEM; 1250 } 1251 1252 sc->irq_rid = 0; 1253 sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid, 1254 0, ~0, 1, RF_ACTIVE); 1255 if (!sc->irq_res) { | 1249 return ENOMEM; 1250 } 1251 1252 sc->irq_rid = 0; 1253 sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid, 1254 0, ~0, 1, RF_ACTIVE); 1255 if (!sc->irq_res) { |
| 1256#ifdef SN_DEBUG 1257 device_printf(dev, "Cannot allocate irq\n"); 1258#endif | 1256 if (bootverbose) 1257 device_printf(dev, "Cannot allocate irq\n"); |
| 1259 sn_deactivate(dev); 1260 return ENOMEM; 1261 } 1262 if ((err = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET, sn_intr, sc, 1263 &sc->intrhand)) != 0) { 1264 sn_deactivate(dev); 1265 return err; 1266 } --- 45 unchanged lines hidden (view full) --- 1312 u_short base_address_register; 1313 u_short ioaddr; 1314 int err; 1315 1316 if ((err = sn_activate(dev)) != 0) 1317 return err; 1318 1319 ioaddr = sc->sn_io_addr; | 1258 sn_deactivate(dev); 1259 return ENOMEM; 1260 } 1261 if ((err = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET, sn_intr, sc, 1262 &sc->intrhand)) != 0) { 1263 sn_deactivate(dev); 1264 return err; 1265 } --- 45 unchanged lines hidden (view full) --- 1311 u_short base_address_register; 1312 u_short ioaddr; 1313 int err; 1314 1315 if ((err = sn_activate(dev)) != 0) 1316 return err; 1317 1318 ioaddr = sc->sn_io_addr; |
| 1320 | 1319#ifdef SN_DEBUG 1320 device_printf(dev, "ioaddr is 0x%x\n", ioaddr); 1321#endif |
| 1321 /* 1322 * First, see if the high byte is 0x33 1323 */ 1324 bank = inw(ioaddr + BANK_SELECT_REG_W); 1325 if ((bank & BSR_DETECT_MASK) != BSR_DETECT_VALUE) { 1326#ifdef SN_DEBUG 1327 device_printf(dev, "test1 failed\n"); 1328#endif --- 27 unchanged lines hidden (view full) --- 1356 * pccard == 1, skip this test. (hosokawa) 1357 */ 1358 if (!pccard && (ioaddr != (base_address_register >> 3 & 0x3E0))) { 1359 1360 /* 1361 * Well, the base address register didn't match. Must not 1362 * have been a SMC chip after all. 1363 */ | 1322 /* 1323 * First, see if the high byte is 0x33 1324 */ 1325 bank = inw(ioaddr + BANK_SELECT_REG_W); 1326 if ((bank & BSR_DETECT_MASK) != BSR_DETECT_VALUE) { 1327#ifdef SN_DEBUG 1328 device_printf(dev, "test1 failed\n"); 1329#endif --- 27 unchanged lines hidden (view full) --- 1357 * pccard == 1, skip this test. (hosokawa) 1358 */ 1359 if (!pccard && (ioaddr != (base_address_register >> 3 & 0x3E0))) { 1360 1361 /* 1362 * Well, the base address register didn't match. Must not 1363 * have been a SMC chip after all. 1364 */ |
| 1364 /* 1365 * printf("sn: ioaddr %x doesn't match card configuration 1366 * (%x)\n", ioaddr, base_address_register >> 3 & 0x3E0 ); 1367 */ 1368 | |
| 1369#ifdef SN_DEBUG 1370 device_printf(dev, "test3 failed ioaddr = 0x%x, " 1371 "base_address_register = 0x%x\n", ioaddr, 1372 base_address_register >> 3 & 0x3E0); 1373#endif 1374 goto error; 1375 } | 1365#ifdef SN_DEBUG 1366 device_printf(dev, "test3 failed ioaddr = 0x%x, " 1367 "base_address_register = 0x%x\n", ioaddr, 1368 base_address_register >> 3 & 0x3E0); 1369#endif 1370 goto error; 1371 } |
| 1372 |
|
| 1376 /* 1377 * Check if the revision register is something that I recognize. 1378 * These might need to be added to later, as future revisions could 1379 * be added. 1380 */ 1381 outw(ioaddr + BANK_SELECT_REG_W, 0x3); 1382 revision_register = inw(ioaddr + REVISION_REG_W); 1383 if (!chip_ids[(revision_register >> 4) & 0xF]) { 1384 1385 /* 1386 * I don't regonize this chip, so... 1387 */ 1388#ifdef SN_DEBUG 1389 device_printf(dev, "test4 failed\n"); 1390#endif 1391 goto error; 1392 } | 1373 /* 1374 * Check if the revision register is something that I recognize. 1375 * These might need to be added to later, as future revisions could 1376 * be added. 1377 */ 1378 outw(ioaddr + BANK_SELECT_REG_W, 0x3); 1379 revision_register = inw(ioaddr + REVISION_REG_W); 1380 if (!chip_ids[(revision_register >> 4) & 0xF]) { 1381 1382 /* 1383 * I don't regonize this chip, so... 1384 */ 1385#ifdef SN_DEBUG 1386 device_printf(dev, "test4 failed\n"); 1387#endif 1388 goto error; 1389 } |
| 1390 |
|
| 1393 /* 1394 * at this point I'll assume that the chip is an SMC9xxx. It might be 1395 * prudent to check a listing of MAC addresses against the hardware 1396 * address, or do some other tests. 1397 */ 1398 sn_deactivate(dev); 1399 return 0; 1400 error: --- 88 unchanged lines hidden --- | 1391 /* 1392 * at this point I'll assume that the chip is an SMC9xxx. It might be 1393 * prudent to check a listing of MAC addresses against the hardware 1394 * address, or do some other tests. 1395 */ 1396 sn_deactivate(dev); 1397 return 0; 1398 error: --- 88 unchanged lines hidden --- |