if_cs.c revision 140926
1139749Simp/*- 237785Smsmith * Copyright (c) 1997,1998 Maxim Bolotin and Oleg Sharoiko. 337785Smsmith * All rights reserved. 437785Smsmith * 537785Smsmith * Redistribution and use in source and binary forms, with or without 637785Smsmith * modification, are permitted provided that the following conditions 737785Smsmith * are met: 837785Smsmith * 1. Redistributions of source code must retain the above copyright 937785Smsmith * notice unmodified, this list of conditions, and the following 1037785Smsmith * disclaimer. 1137785Smsmith * 2. Redistributions in binary form must reproduce the above copyright 1237785Smsmith * notice, this list of conditions and the following disclaimer in the 1337785Smsmith * documentation and/or other materials provided with the distribution. 1437785Smsmith * 1537785Smsmith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1637785Smsmith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1737785Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1837785Smsmith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1937785Smsmith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2037785Smsmith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2137785Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2237785Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2337785Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2437785Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2537785Smsmith * SUCH DAMAGE. 2637785Smsmith * 2737785Smsmith */ 2837785Smsmith 29119418Sobrien#include <sys/cdefs.h> 30119418Sobrien__FBSDID("$FreeBSD: head/sys/dev/cs/if_cs.c 140926 2005-01-28 06:35:39Z imp $"); 31119418Sobrien 3237785Smsmith/* 3337785Smsmith * 3437785Smsmith * Device driver for Crystal Semiconductor CS8920 based ethernet 3537785Smsmith * adapters. By Maxim Bolotin and Oleg Sharoiko, 27-April-1997 3637785Smsmith */ 3737785Smsmith 3858816Simp/* 3958816Simp#define CS_DEBUG 4058816Simp */ 4137785Smsmith 4237785Smsmith#include <sys/param.h> 4337785Smsmith#include <sys/systm.h> 4437785Smsmith#include <sys/malloc.h> 4558816Simp#include <sys/mbuf.h> 4658816Simp#include <sys/socket.h> 4737785Smsmith#include <sys/sockio.h> 4837785Smsmith#include <sys/kernel.h> 4938592Smsmith#include <sys/sysctl.h> 5037785Smsmith#include <sys/syslog.h> 5137785Smsmith 5258816Simp#include <sys/module.h> 5358816Simp#include <sys/bus.h> 5458816Simp#include <machine/bus.h> 5558816Simp#include <sys/rman.h> 5658816Simp#include <machine/resource.h> 5758816Simp 5837785Smsmith#include <net/if.h> 5937785Smsmith#include <net/if_arp.h> 6037785Smsmith#include <net/if_media.h> 6137785Smsmith#include <net/ethernet.h> 6237785Smsmith#include <net/bpf.h> 6337785Smsmith 6472940Simp#include <dev/cs/if_csvar.h> 6558816Simp#include <dev/cs/if_csreg.h> 6637785Smsmith 6737785Smsmith#ifdef CS_USE_64K_DMA 6837785Smsmith#define CS_DMA_BUFFER_SIZE 65536 6937785Smsmith#else 7037785Smsmith#define CS_DMA_BUFFER_SIZE 16384 7137785Smsmith#endif 7237785Smsmith 73122024Simpstatic void cs_init(void *); 74122024Simpstatic int cs_ioctl(struct ifnet *, u_long, caddr_t); 75122024Simpstatic void cs_start(struct ifnet *); 76122024Simpstatic void cs_stop(struct cs_softc *); 77122024Simpstatic void cs_reset(struct cs_softc *); 78122024Simpstatic void cs_watchdog(struct ifnet *); 7938592Smsmith 80122024Simpstatic int cs_mediachange(struct ifnet *); 81122024Simpstatic void cs_mediastatus(struct ifnet *, struct ifmediareq *); 82122024Simpstatic int cs_mediaset(struct cs_softc *, int); 8358816Simp 8437785Smsmithstatic void cs_write_mbufs(struct cs_softc*, struct mbuf*); 8537785Smsmithstatic void cs_xmit_buf(struct cs_softc*); 8637785Smsmithstatic int cs_get_packet(struct cs_softc*); 8737785Smsmithstatic void cs_setmode(struct cs_softc*); 8837785Smsmith 89122024Simpstatic int get_eeprom_data(struct cs_softc *sc, int, int, uint16_t *); 90122024Simpstatic int get_eeprom_cksum(int, int, uint16_t *); 9137785Smsmithstatic int wait_eeprom_ready( struct cs_softc *); 9237785Smsmithstatic void control_dc_dc( struct cs_softc *, int ); 9337785Smsmithstatic int send_test_pkt( struct cs_softc * ); 9437785Smsmithstatic int enable_tp(struct cs_softc *); 9537785Smsmithstatic int enable_aui(struct cs_softc *); 9637785Smsmithstatic int enable_bnc(struct cs_softc *); 9737785Smsmithstatic int cs_duplex_auto(struct cs_softc *); 9837785Smsmith 9971316Simpdevclass_t cs_devclass; 10037785Smsmith 101122024Simp/* sysctl vars */ 102122024SimpSYSCTL_NODE(_hw, OID_AUTO, cs, CTLFLAG_RD, 0, "cs device parameters"); 103122024Simp 104122024Simpint cs_debug = 0; 105122024SimpTUNABLE_INT("hw.cs.debug", &cs_debug); 106122024SimpSYSCTL_INT(_hw_cs, OID_AUTO, debug, CTLFLAG_RW, 107122024Simp &cs_debug, 0, 108122024Simp "cs debug"); 109122024Simp 110122024Simpint cs_ignore_cksum_failure = 0; 111122024SimpTUNABLE_INT("hw.cs.ignore_checksum_failure", &cs_ignore_cksum_failure); 112122024SimpSYSCTL_INT(_hw_cs, OID_AUTO, ignore_checksum_failure, CTLFLAG_RW, 113122024Simp &cs_ignore_cksum_failure, 0, 114122024Simp "ignore checksum errors in cs card EEPROM"); 115122024Simp 116122024Simpstatic int cs_recv_delay = 570; 117140925SimpTUNABLE_INT("hw.cs.recv_delay", &cs_recv_delay); 118122024SimpSYSCTL_INT(_hw_cs, OID_AUTO, recv_delay, CTLFLAG_RW, &cs_recv_delay, 570, ""); 119122024Simp 12037785Smsmithstatic int 121122024Simpget_eeprom_data(struct cs_softc *sc, int off, int len, uint16_t *buffer) 12237785Smsmith{ 12337785Smsmith int i; 12437785Smsmith 12537785Smsmith#ifdef CS_DEBUG 126122024Simp printf(CS_NAME":EEPROM data from %x for %x:\n", off, len); 12737785Smsmith#endif 12837785Smsmith 129122024Simp for (i=0; i < len; i++) { 130122024Simp if (wait_eeprom_ready(sc) < 0) 131122024Simp return (-1); 13237785Smsmith /* Send command to EEPROM to read */ 13372940Simp cs_writereg(sc, PP_EECMD, (off + i) | EEPROM_READ_CMD); 134122024Simp if (wait_eeprom_ready(sc) < 0) 13572940Simp return (-1); 13672940Simp buffer[i] = cs_readreg(sc, PP_EEData); 13737785Smsmith 13837785Smsmith#ifdef CS_DEBUG 13937785Smsmith printf("%02x %02x ",(unsigned char)buffer[i], 140122024Simp (unsigned char)buffer[i] >> 8); 14137785Smsmith#endif 14237785Smsmith } 14337785Smsmith 14437785Smsmith#ifdef CS_DEBUG 14537785Smsmith printf("\n"); 14637785Smsmith#endif 14772940Simp return (0); 14837785Smsmith} 14937785Smsmith 15037785Smsmithstatic int 151122024Simpget_eeprom_cksum(int off, int len, uint16_t *buffer) 15237785Smsmith{ 153122024Simp int i; 154122024Simp uint16_t cksum=0; 15537785Smsmith 156122024Simp for (i = 0; i < len; i++) 157122024Simp cksum += buffer[i]; 15837785Smsmith cksum &= 0xffff; 15937785Smsmith if (cksum==0) 160122024Simp return (0); 161122024Simp if (cs_ignore_cksum_failure) { 162122024Simp printf(CS_NAME": checksum mismatch, ignoring\n"); 163122024Simp return (0); 164122024Simp } 165122024Simp return (-1); 16637785Smsmith} 16737785Smsmith 16837785Smsmithstatic int 16937785Smsmithwait_eeprom_ready(struct cs_softc *sc) 17037785Smsmith{ 171122024Simp DELAY(30000); /* XXX should we do some checks here ? */ 17237785Smsmith return 0; 17337785Smsmith} 17437785Smsmith 17537785Smsmithstatic void 17637785Smsmithcontrol_dc_dc(struct cs_softc *sc, int on_not_off) 17737785Smsmith{ 17837785Smsmith unsigned int self_control = HCB1_ENBL; 17937785Smsmith 18037785Smsmith if (((sc->adapter_cnf & A_CNF_DC_DC_POLARITY)!=0) ^ on_not_off) 18137785Smsmith self_control |= HCB1; 18237785Smsmith else 18337785Smsmith self_control &= ~HCB1; 18472940Simp cs_writereg(sc, PP_SelfCTL, self_control); 18537785Smsmith 186122024Simp DELAY(500000); 18737785Smsmith} 18837785Smsmith 18937785Smsmith 19037785Smsmithstatic int 19137785Smsmithcs_duplex_auto(struct cs_softc *sc) 19237785Smsmith{ 193104252Sbrooks int i, error=0; 19437785Smsmith 19572940Simp cs_writereg(sc, PP_AutoNegCTL, 19672940Simp RE_NEG_NOW | ALLOW_FDX | AUTO_NEG_ENABLE); 19772940Simp for (i=0; cs_readreg(sc, PP_AutoNegST) & AUTO_NEG_BUSY; i++) { 19837785Smsmith if (i > 40000) { 199104252Sbrooks if_printf(&sc->arpcom.ac_if, 200104252Sbrooks "full/half duplex auto negotiation timeout\n"); 20137785Smsmith error = ETIMEDOUT; 20237785Smsmith break; 20337785Smsmith } 20437785Smsmith DELAY(1000); 20537785Smsmith } 20637785Smsmith DELAY( 1000000 ); 20737785Smsmith return error; 20837785Smsmith} 20937785Smsmith 21037785Smsmithstatic int 21137785Smsmithenable_tp(struct cs_softc *sc) 21237785Smsmith{ 21337785Smsmith 21472940Simp cs_writereg(sc, PP_LineCTL, sc->line_ctl & ~AUI_ONLY); 21537785Smsmith control_dc_dc(sc, 0); 21637785Smsmith DELAY( 150000 ); 21737785Smsmith 21872940Simp if ((cs_readreg(sc, PP_LineST) & LINK_OK)==0) { 219104252Sbrooks if_printf(&sc->arpcom.ac_if, "failed to enable TP\n"); 22037785Smsmith return EINVAL; 22137785Smsmith } 22237785Smsmith 22337785Smsmith return 0; 22437785Smsmith} 22537785Smsmith 22637785Smsmith/* 22737785Smsmith * XXX This was rewritten from Linux driver without any tests. 22837785Smsmith */ 22937785Smsmithstatic int 23037785Smsmithsend_test_pkt(struct cs_softc *sc) 23137785Smsmith{ 23237785Smsmith char test_packet[] = { 0,0,0,0,0,0, 0,0,0,0,0,0, 23337785Smsmith 0, 46, /* A 46 in network order */ 23437785Smsmith 0, 0, /* DSAP=0 & SSAP=0 fields */ 23537785Smsmith 0xf3, 0 /* Control (Test Req + P bit set) */ }; 23638305Smsmith int i; 23738305Smsmith u_char ether_address_backup[ETHER_ADDR_LEN]; 23837785Smsmith 239122024Simp for (i = 0; i < ETHER_ADDR_LEN; i++) 24038305Smsmith ether_address_backup[i] = sc->arpcom.ac_enaddr[i]; 24138305Smsmith 24272940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) | SERIAL_TX_ON); 24372940Simp bcopy(test_packet, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 24472940Simp bcopy(test_packet+ETHER_ADDR_LEN, 24572940Simp sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 24672940Simp cs_outw(sc, TX_CMD_PORT, sc->send_cmd); 24772940Simp cs_outw(sc, TX_LEN_PORT, sizeof(test_packet)); 24837785Smsmith 24937785Smsmith /* Wait for chip to allocate memory */ 25037785Smsmith DELAY(50000); 25172940Simp if (!(cs_readreg(sc, PP_BusST) & READY_FOR_TX_NOW)) { 252122024Simp for (i = 0; i < ETHER_ADDR_LEN; i++) 25338305Smsmith sc->arpcom.ac_enaddr[i] = ether_address_backup[i]; 25437785Smsmith return 0; 25538305Smsmith } 25637785Smsmith 25737785Smsmith outsw(sc->nic_addr + TX_FRAME_PORT, test_packet, sizeof(test_packet)); 25837785Smsmith 25937785Smsmith DELAY(30000); 26037785Smsmith 261122024Simp for (i = 0; i < ETHER_ADDR_LEN; i++) 262122024Simp sc->arpcom.ac_enaddr[i] = ether_address_backup[i]; 263122024Simp if ((cs_readreg(sc, PP_TxEvent) & TX_SEND_OK_BITS) == TX_OK) 26437785Smsmith return 1; 26537785Smsmith return 0; 26637785Smsmith} 26737785Smsmith 26837785Smsmith/* 26937785Smsmith * XXX This was rewritten from Linux driver without any tests. 27037785Smsmith */ 27137785Smsmithstatic int 27237785Smsmithenable_aui(struct cs_softc *sc) 27337785Smsmith{ 27437785Smsmith 27537785Smsmith control_dc_dc(sc, 0); 27672940Simp cs_writereg(sc, PP_LineCTL, 27772940Simp (sc->line_ctl & ~AUTO_AUI_10BASET) | AUI_ONLY); 27837785Smsmith 27937785Smsmith if (!send_test_pkt(sc)) { 280104252Sbrooks if_printf(&sc->arpcom.ac_if, "failed to enable AUI\n"); 28137785Smsmith return EINVAL; 28237785Smsmith } 28337785Smsmith return 0; 28437785Smsmith} 28537785Smsmith 28637785Smsmith/* 28737785Smsmith * XXX This was rewritten from Linux driver without any tests. 28837785Smsmith */ 28937785Smsmithstatic int 29037785Smsmithenable_bnc(struct cs_softc *sc) 29137785Smsmith{ 29237785Smsmith 29337785Smsmith control_dc_dc(sc, 1); 29472940Simp cs_writereg(sc, PP_LineCTL, 29572940Simp (sc->line_ctl & ~AUTO_AUI_10BASET) | AUI_ONLY); 29637785Smsmith 29737785Smsmith if (!send_test_pkt(sc)) { 298104252Sbrooks if_printf(&sc->arpcom.ac_if, "failed to enable BNC\n"); 29937785Smsmith return EINVAL; 30037785Smsmith } 30137785Smsmith return 0; 30237785Smsmith} 30337785Smsmith 30471316Simpint 30558816Simpcs_cs89x0_probe(device_t dev) 30637785Smsmith{ 30758816Simp int i; 30858816Simp int error; 30958816Simp u_long irq, junk; 31058816Simp struct cs_softc *sc = device_get_softc(dev); 31137785Smsmith unsigned rev_type = 0; 312122024Simp uint16_t id; 31358816Simp char chip_revision; 314122024Simp uint16_t eeprom_buff[CHKSUM_LEN]; 31537785Smsmith int chip_type, pp_isaint, pp_isadma; 31637785Smsmith 31758816Simp error = cs_alloc_port(dev, 0, CS_89x0_IO_PORTS); 31858816Simp if (error) 31958816Simp return (error); 32058816Simp 32172940Simp sc->nic_addr = rman_get_start(sc->port_res); 32258816Simp 32372940Simp if ((cs_inw(sc, ADD_PORT) & ADD_MASK) != ADD_SIG) { 32437785Smsmith /* Chip not detected. Let's try to reset it */ 32537785Smsmith if (bootverbose) 32658816Simp device_printf(dev, "trying to reset the chip.\n"); 32772940Simp cs_outw(sc, ADD_PORT, PP_SelfCTL); 32872940Simp i = cs_inw(sc, DATA_PORT); 32972940Simp cs_outw(sc, ADD_PORT, PP_SelfCTL); 33072940Simp cs_outw(sc, DATA_PORT, i | POWER_ON_RESET); 33172940Simp if ((cs_inw(sc, ADD_PORT) & ADD_MASK) != ADD_SIG) 33258816Simp return (ENXIO); 33337785Smsmith } 33437785Smsmith 33572940Simp for (i = 0; i < 10000; i++) { 33672940Simp id = cs_readreg(sc, PP_ChipID); 33772940Simp if (id == CHIP_EISA_ID_SIG) 33872940Simp break; 33972940Simp } 34072940Simp if (i == 10000) 34158816Simp return (ENXIO); 34237785Smsmith 34372940Simp rev_type = cs_readreg(sc, PRODUCT_ID_ADD); 34437785Smsmith chip_type = rev_type & ~REVISON_BITS; 34537785Smsmith chip_revision = ((rev_type & REVISON_BITS) >> 8) + 'A'; 34637785Smsmith 34737785Smsmith sc->chip_type = chip_type; 34858816Simp 34937785Smsmith if(chip_type==CS8900) { 35037785Smsmith pp_isaint = PP_CS8900_ISAINT; 35137785Smsmith pp_isadma = PP_CS8900_ISADMA; 35237785Smsmith sc->send_cmd = TX_CS8900_AFTER_ALL; 35337785Smsmith } else { 35437785Smsmith pp_isaint = PP_CS8920_ISAINT; 35537785Smsmith pp_isadma = PP_CS8920_ISADMA; 35637785Smsmith sc->send_cmd = TX_CS8920_AFTER_ALL; 35737785Smsmith } 35837785Smsmith 35937785Smsmith /* 36037785Smsmith * Clear some fields so that fail of EEPROM will left them clean 36137785Smsmith */ 36237785Smsmith sc->auto_neg_cnf = 0; 36337785Smsmith sc->adapter_cnf = 0; 36437785Smsmith sc->isa_config = 0; 36537785Smsmith 36637785Smsmith /* 36758816Simp * If no interrupt specified (or "?"), use what the board tells us. 36837785Smsmith */ 36958816Simp error = bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, &junk); 37058816Simp 37158816Simp /* 37258816Simp * Get data from EEPROM 37358816Simp */ 37472940Simp if((cs_readreg(sc, PP_SelfST) & EEPROM_PRESENT) == 0) { 37558816Simp device_printf(dev, "No EEPROM, assuming defaults.\n"); 37637785Smsmith } else { 37737785Smsmith if (get_eeprom_data(sc,START_EEPROM_DATA,CHKSUM_LEN, eeprom_buff)<0) { 37858816Simp device_printf(dev, "EEPROM read failed, " 37958816Simp "assuming defaults.\n"); 38037785Smsmith } else { 38137785Smsmith if (get_eeprom_cksum(START_EEPROM_DATA,CHKSUM_LEN, eeprom_buff)<0) { 38258816Simp device_printf(dev, "EEPROM cheksum bad, " 38358816Simp "assuming defaults.\n"); 38437785Smsmith } else { 38537785Smsmith sc->auto_neg_cnf = 38637785Smsmith eeprom_buff[AUTO_NEG_CNF_OFFSET/2]; 38737785Smsmith sc->adapter_cnf = 38837785Smsmith eeprom_buff[ADAPTER_CNF_OFFSET/2]; 38937785Smsmith sc->isa_config = 39037785Smsmith eeprom_buff[ISA_CNF_OFFSET/2]; 39137785Smsmith 39237785Smsmith for (i=0; i<ETHER_ADDR_LEN/2; i++) { 39337785Smsmith sc->arpcom.ac_enaddr[i*2]= 39437785Smsmith eeprom_buff[i]; 39537785Smsmith sc->arpcom.ac_enaddr[i*2+1]= 39637785Smsmith eeprom_buff[i] >> 8; 39737785Smsmith } 39837785Smsmith 39937785Smsmith /* 40037785Smsmith * If no interrupt specified (or "?"), 40137785Smsmith * use what the board tells us. 40237785Smsmith */ 40358816Simp if (error) { 40458816Simp irq = sc->isa_config & INT_NO_MASK; 40537785Smsmith if (chip_type==CS8900) { 40658816Simp switch(irq) { 40758816Simp case 0: 40858816Simp irq=10; 40958816Simp error=0; 41058816Simp break; 41158816Simp case 1: 41258816Simp irq=11; 41358816Simp error=0; 41458816Simp break; 41558816Simp case 2: 41658816Simp irq=12; 41758816Simp error=0; 41858816Simp break; 41958816Simp case 3: 42058816Simp irq=5; 42158816Simp error=0; 42258816Simp break; 42358816Simp default: 42458816Simp device_printf(dev, "invalid irq in EEPROM.\n"); 42558816Simp error=EINVAL; 42658816Simp } 42758816Simp } else { 42858816Simp if (irq>CS8920_NO_INTS) { 42958816Simp device_printf(dev, "invalid irq in EEPROM.\n"); 43058816Simp error=EINVAL; 43158816Simp } else { 43258816Simp error=0; 43337785Smsmith } 43437785Smsmith } 43558816Simp 43658816Simp if (!error) 43758816Simp bus_set_resource(dev, SYS_RES_IRQ, 0, 43858816Simp irq, 1); 43958816Simp } 44037785Smsmith } 44137785Smsmith } 44237785Smsmith } 44337785Smsmith 44458816Simp if (!error) { 44537785Smsmith if (chip_type == CS8900) { 44637785Smsmith switch(irq) { 44758816Simp case 5: 44858816Simp irq = 3; 44958816Simp break; 45058816Simp case 10: 45158816Simp irq = 0; 45258816Simp break; 45358816Simp case 11: 45458816Simp irq = 1; 45558816Simp break; 45658816Simp case 12: 45758816Simp irq = 2; 45858816Simp break; 45958816Simp default: 46058816Simp error=EINVAL; 46137785Smsmith } 46237785Smsmith } else { 46337785Smsmith if (irq > CS8920_NO_INTS) { 46458816Simp error = EINVAL; 46537785Smsmith } 46637785Smsmith } 46758816Simp } 46858816Simp 46958816Simp if (!error) { 470140926Simp if (!(sc->flags & CS_NO_IRQ)) 471140926Simp cs_writereg(sc, pp_isaint, irq); 47237785Smsmith } else { 47358816Simp device_printf(dev, "Unknown or invalid irq\n"); 47458816Simp return (ENXIO); 47537785Smsmith } 47637785Smsmith 47737785Smsmith /* 47837785Smsmith * Temporary disabled 47937785Smsmith * 48037785Smsmith if (drq>0) 48172940Simp cs_writereg(sc, pp_isadma, drq); 48237785Smsmith else { 483104252Sbrooks device_printf(dev, "incorrect drq\n",); 48437785Smsmith return 0; 48537785Smsmith } 48637785Smsmith */ 48737785Smsmith 48837785Smsmith if (bootverbose) 48958816Simp device_printf(dev, "CS89%c0%s rev %c media%s%s%s\n", 49037785Smsmith chip_type==CS8900 ? '0' : '2', 49137785Smsmith chip_type==CS8920M ? "M" : "", 49237785Smsmith chip_revision, 49337785Smsmith (sc->adapter_cnf & A_CNF_10B_T) ? " TP" : "", 49437785Smsmith (sc->adapter_cnf & A_CNF_AUI) ? " AUI" : "", 49558816Simp (sc->adapter_cnf & A_CNF_10B_2) ? " BNC" : ""); 49637785Smsmith 49737785Smsmith if ((sc->adapter_cnf & A_CNF_EXTND_10B_2) && 49837785Smsmith (sc->adapter_cnf & A_CNF_LOW_RX_SQUELCH)) 49937785Smsmith sc->line_ctl = LOW_RX_SQUELCH; 50037785Smsmith else 50137785Smsmith sc->line_ctl = 0; 50237785Smsmith 50337785Smsmith 50458816Simp return 0; 50537785Smsmith} 50637785Smsmith 50737785Smsmith/* 50858816Simp * Allocate a port resource with the given resource id. 50958816Simp */ 51058816Simpint cs_alloc_port(device_t dev, int rid, int size) 51158816Simp{ 51258816Simp struct cs_softc *sc = device_get_softc(dev); 51358816Simp struct resource *res; 51458816Simp 51558816Simp res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 51658816Simp 0ul, ~0ul, size, RF_ACTIVE); 51758816Simp if (res) { 51858816Simp sc->port_rid = rid; 51958816Simp sc->port_res = res; 52058816Simp sc->port_used = size; 52158816Simp return (0); 52258816Simp } else { 52358816Simp return (ENOENT); 52458816Simp } 52558816Simp} 52658816Simp 52758816Simp/* 52858816Simp * Allocate a memory resource with the given resource id. 52958816Simp */ 53058816Simpint cs_alloc_memory(device_t dev, int rid, int size) 53158816Simp{ 53258816Simp struct cs_softc *sc = device_get_softc(dev); 53358816Simp struct resource *res; 53458816Simp 53558816Simp res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 53658816Simp 0ul, ~0ul, size, RF_ACTIVE); 53758816Simp if (res) { 53858816Simp sc->mem_rid = rid; 53958816Simp sc->mem_res = res; 54058816Simp sc->mem_used = size; 54158816Simp return (0); 54258816Simp } else { 54358816Simp return (ENOENT); 54458816Simp } 54558816Simp} 54658816Simp 54758816Simp/* 54858816Simp * Allocate an irq resource with the given resource id. 54958816Simp */ 55058816Simpint cs_alloc_irq(device_t dev, int rid, int flags) 55158816Simp{ 55258816Simp struct cs_softc *sc = device_get_softc(dev); 55358816Simp struct resource *res; 55458816Simp 555127135Snjl res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 556127135Snjl (RF_ACTIVE | flags)); 55758816Simp if (res) { 55858816Simp sc->irq_rid = rid; 55958816Simp sc->irq_res = res; 56058816Simp return (0); 56158816Simp } else { 56258816Simp return (ENOENT); 56358816Simp } 56458816Simp} 56558816Simp 56658816Simp/* 56758816Simp * Release all resources 56858816Simp */ 56958816Simpvoid cs_release_resources(device_t dev) 57058816Simp{ 57158816Simp struct cs_softc *sc = device_get_softc(dev); 57258816Simp 57358816Simp if (sc->port_res) { 57458816Simp bus_release_resource(dev, SYS_RES_IOPORT, 57558816Simp sc->port_rid, sc->port_res); 57658816Simp sc->port_res = 0; 57758816Simp } 57858816Simp if (sc->mem_res) { 57958816Simp bus_release_resource(dev, SYS_RES_MEMORY, 58058816Simp sc->mem_rid, sc->mem_res); 58158816Simp sc->mem_res = 0; 58258816Simp } 58358816Simp if (sc->irq_res) { 58458816Simp bus_release_resource(dev, SYS_RES_IRQ, 58558816Simp sc->irq_rid, sc->irq_res); 58658816Simp sc->irq_res = 0; 58758816Simp } 58858816Simp} 58958816Simp 59058816Simp/* 59137785Smsmith * Install the interface into kernel networking data structures 59237785Smsmith */ 59371316Simpint 594121816Sbrookscs_attach(device_t dev) 59537785Smsmith{ 59637785Smsmith int media=0; 597121816Sbrooks struct cs_softc *sc = device_get_softc(dev);; 59837785Smsmith struct ifnet *ifp = &(sc->arpcom.ac_if); 59937785Smsmith 60058816Simp cs_stop( sc ); 60158816Simp 602121752Sbrooks ifp->if_softc=sc; 603121816Sbrooks if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 604121752Sbrooks ifp->if_start=cs_start; 605121752Sbrooks ifp->if_ioctl=cs_ioctl; 606121752Sbrooks ifp->if_watchdog=cs_watchdog; 607121752Sbrooks ifp->if_init=cs_init; 608121752Sbrooks ifp->if_snd.ifq_maxlen= IFQ_MAXLEN; 609121752Sbrooks /* 610121752Sbrooks * MIB DATA 611121752Sbrooks */ 612121752Sbrooks /* 613121752Sbrooks ifp->if_linkmib=&sc->mibdata; 614121752Sbrooks ifp->if_linkmiblen=sizeof sc->mibdata; 615121752Sbrooks */ 61637785Smsmith 617133681Srwatson ifp->if_flags=(IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST | 618133681Srwatson IFF_NEEDSGIANT); 61937785Smsmith 620121752Sbrooks /* 621121752Sbrooks * this code still in progress (DMA support) 622121752Sbrooks * 62337785Smsmith 624121752Sbrooks sc->recv_ring=malloc(CS_DMA_BUFFER_SIZE<<1, M_DEVBUF, M_NOWAIT); 625121752Sbrooks if (sc->recv_ring == NULL) { 626121816Sbrooks log(LOG_ERR, 627121816Sbrooks "%s: Couldn't allocate memory for NIC\n", ifp->if_xname); 628121752Sbrooks return(0); 629121752Sbrooks } 630121752Sbrooks if ((sc->recv_ring-(sc->recv_ring & 0x1FFFF)) 631121752Sbrooks < (128*1024-CS_DMA_BUFFER_SIZE)) 632121752Sbrooks sc->recv_ring+=16*1024; 63337785Smsmith 634121752Sbrooks */ 63537785Smsmith 636121752Sbrooks sc->buffer=malloc(ETHER_MAX_LEN-ETHER_CRC_LEN,M_DEVBUF,M_NOWAIT); 637121752Sbrooks if (sc->buffer == NULL) { 638121752Sbrooks if_printf(ifp, "Couldn't allocate memory for NIC\n"); 639121752Sbrooks return(0); 640121752Sbrooks } 64137785Smsmith 642121752Sbrooks /* 643121752Sbrooks * Initialize the media structures. 644121752Sbrooks */ 645121752Sbrooks ifmedia_init(&sc->media, 0, cs_mediachange, cs_mediastatus); 64637785Smsmith 647121752Sbrooks if (sc->adapter_cnf & A_CNF_10B_T) { 648121752Sbrooks ifmedia_add(&sc->media, IFM_ETHER|IFM_10_T, 0, NULL); 649121752Sbrooks if (sc->chip_type != CS8900) { 650121752Sbrooks ifmedia_add(&sc->media, 651121752Sbrooks IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL); 652121752Sbrooks ifmedia_add(&sc->media, 653121752Sbrooks IFM_ETHER|IFM_10_T|IFM_HDX, 0, NULL); 654121752Sbrooks } 655121752Sbrooks } 65637785Smsmith 657121752Sbrooks if (sc->adapter_cnf & A_CNF_10B_2) 658121752Sbrooks ifmedia_add(&sc->media, IFM_ETHER|IFM_10_2, 0, NULL); 65937785Smsmith 660121752Sbrooks if (sc->adapter_cnf & A_CNF_AUI) 661121752Sbrooks ifmedia_add(&sc->media, IFM_ETHER|IFM_10_5, 0, NULL); 66237785Smsmith 663121752Sbrooks if (sc->adapter_cnf & A_CNF_MEDIA) 664121752Sbrooks ifmedia_add(&sc->media, IFM_ETHER|IFM_AUTO, 0, NULL); 66537785Smsmith 666121752Sbrooks /* Set default media from EEPROM */ 667121752Sbrooks switch (sc->adapter_cnf & A_CNF_MEDIA_TYPE) { 668121752Sbrooks case A_CNF_MEDIA_AUTO: media = IFM_ETHER|IFM_AUTO; break; 669121752Sbrooks case A_CNF_MEDIA_10B_T: media = IFM_ETHER|IFM_10_T; break; 670121752Sbrooks case A_CNF_MEDIA_10B_2: media = IFM_ETHER|IFM_10_2; break; 671121752Sbrooks case A_CNF_MEDIA_AUI: media = IFM_ETHER|IFM_10_5; break; 672122024Simp default: 673122024Simp if_printf(ifp, "no media, assuming 10baseT\n"); 674122024Simp sc->adapter_cnf |= A_CNF_10B_T; 675122024Simp ifmedia_add(&sc->media, IFM_ETHER|IFM_10_T, 0, NULL); 676122024Simp if (sc->chip_type != CS8900) { 677122024Simp ifmedia_add(&sc->media, 678122024Simp IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL); 679122024Simp ifmedia_add(&sc->media, 680122024Simp IFM_ETHER|IFM_10_T|IFM_HDX, 0, NULL); 681122024Simp } 682122024Simp media = IFM_ETHER | IFM_10_T; 683122024Simp break; 68437785Smsmith } 685121752Sbrooks ifmedia_set(&sc->media, media); 686121752Sbrooks cs_mediaset(sc, media); 68737785Smsmith 688121752Sbrooks ether_ifattach(ifp, sc->arpcom.ac_enaddr); 689121752Sbrooks 69058816Simp return (0); 69137785Smsmith} 69237785Smsmith 693140888Simpint 694140888Simpcs_detach(device_t dev) 695140888Simp{ 696140888Simp struct cs_softc *sc; 697140888Simp struct ifnet *ifp; 698140888Simp 699140888Simp sc = device_get_softc(dev); 700140888Simp ifp = &sc->arpcom.ac_if; 701140888Simp 702140888Simp cs_stop(sc); 703140888Simp ifp->if_flags &= ~IFF_RUNNING; 704140888Simp ether_ifdetach(ifp); 705140888Simp cs_release_resources(dev); 706140888Simp return (0); 707140888Simp} 708140888Simp 70937785Smsmith/* 71037785Smsmith * Initialize the board 71137785Smsmith */ 71237785Smsmithstatic void 71337785Smsmithcs_init(void *xsc) 71437785Smsmith{ 71537785Smsmith struct cs_softc *sc=(struct cs_softc *)xsc; 71637785Smsmith struct ifnet *ifp = &sc->arpcom.ac_if; 71741591Sarchie int i, s, rx_cfg; 71837785Smsmith 71937785Smsmith /* 72037785Smsmith * reset whatchdog timer 72137785Smsmith */ 72237785Smsmith ifp->if_timer=0; 72337785Smsmith sc->buf_len = 0; 72437785Smsmith 72537785Smsmith s=splimp(); 72637785Smsmith 72737785Smsmith /* 72837785Smsmith * Hardware initialization of cs 72937785Smsmith */ 73037785Smsmith 73137785Smsmith /* Enable receiver and transmitter */ 73272940Simp cs_writereg(sc, PP_LineCTL, 73372940Simp cs_readreg(sc, PP_LineCTL) | SERIAL_RX_ON | SERIAL_TX_ON); 73437785Smsmith 73537785Smsmith /* Configure the receiver mode */ 73637785Smsmith cs_setmode(sc); 73737785Smsmith 73837785Smsmith /* 73937785Smsmith * This defines what type of frames will cause interrupts 74037785Smsmith * Bad frames should generate interrupts so that the driver 74137785Smsmith * could track statistics of discarded packets 74237785Smsmith */ 74337785Smsmith rx_cfg = RX_OK_ENBL | RX_CRC_ERROR_ENBL | RX_RUNT_ENBL | 74437785Smsmith RX_EXTRA_DATA_ENBL; 74537785Smsmith if (sc->isa_config & STREAM_TRANSFER) 74637785Smsmith rx_cfg |= RX_STREAM_ENBL; 74772940Simp cs_writereg(sc, PP_RxCFG, rx_cfg); 74872940Simp cs_writereg(sc, PP_TxCFG, TX_LOST_CRS_ENBL | 74937785Smsmith TX_SQE_ERROR_ENBL | TX_OK_ENBL | TX_LATE_COL_ENBL | 75037785Smsmith TX_JBR_ENBL | TX_ANY_COL_ENBL | TX_16_COL_ENBL); 75172940Simp cs_writereg(sc, PP_BufCFG, READY_FOR_TX_ENBL | 75237785Smsmith RX_MISS_COUNT_OVRFLOW_ENBL | TX_COL_COUNT_OVRFLOW_ENBL | 75337785Smsmith TX_UNDERRUN_ENBL /*| RX_DMA_ENBL*/); 75437785Smsmith 75537785Smsmith /* Write MAC address into IA filter */ 75637785Smsmith for (i=0; i<ETHER_ADDR_LEN/2; i++) 75772940Simp cs_writereg(sc, PP_IA + i * 2, 75872940Simp sc->arpcom.ac_enaddr[i * 2] | 75972940Simp (sc->arpcom.ac_enaddr[i * 2 + 1] << 8) ); 76037785Smsmith 76137785Smsmith /* 76237785Smsmith * Now enable everything 76337785Smsmith */ 76437785Smsmith/* 76537785Smsmith#ifdef CS_USE_64K_DMA 76672940Simp cs_writereg(sc, PP_BusCTL, ENABLE_IRQ | RX_DMA_SIZE_64K); 76772940Simp#else 76872940Simp cs_writereg(sc, PP_BusCTL, ENABLE_IRQ); 76937785Smsmith#endif 77037785Smsmith*/ 77172940Simp cs_writereg(sc, PP_BusCTL, ENABLE_IRQ); 77237785Smsmith 77337785Smsmith /* 77437785Smsmith * Set running and clear output active flags 77537785Smsmith */ 77637785Smsmith sc->arpcom.ac_if.if_flags |= IFF_RUNNING; 77737785Smsmith sc->arpcom.ac_if.if_flags &= ~IFF_OACTIVE; 77837785Smsmith 77937785Smsmith /* 78037785Smsmith * Start sending process 78137785Smsmith */ 78237785Smsmith cs_start(ifp); 78337785Smsmith 78437785Smsmith (void) splx(s); 78537785Smsmith} 78637785Smsmith 78737785Smsmith/* 788106937Ssam * Get the packet from the board and send it to the upper layer. 78937785Smsmith */ 79037785Smsmithstatic int 79137785Smsmithcs_get_packet(struct cs_softc *sc) 79237785Smsmith{ 79337785Smsmith struct ifnet *ifp = &(sc->arpcom.ac_if); 79437785Smsmith int iobase = sc->nic_addr, status, length; 79537785Smsmith struct ether_header *eh; 79637785Smsmith struct mbuf *m; 79737785Smsmith 79837785Smsmith#ifdef CS_DEBUG 79937785Smsmith int i; 80037785Smsmith#endif 80137785Smsmith 80272940Simp status = cs_inw(sc, RX_FRAME_PORT); 80372940Simp length = cs_inw(sc, RX_FRAME_PORT); 80437785Smsmith 80537785Smsmith#ifdef CS_DEBUG 806104252Sbrooks if_printf(ifp, "rcvd: stat %x, len %d\n", 807104252Sbrooks status, length); 80837785Smsmith#endif 80937785Smsmith 81037785Smsmith if (!(status & RX_OK)) { 81137785Smsmith#ifdef CS_DEBUG 812104252Sbrooks if_printf(ifp, "bad pkt stat %x\n", status); 81337785Smsmith#endif 81437785Smsmith ifp->if_ierrors++; 81537785Smsmith return -1; 81637785Smsmith } 81737785Smsmith 818111119Simp MGETHDR(m, M_DONTWAIT, MT_DATA); 81937785Smsmith if (m==NULL) 82037785Smsmith return -1; 82137785Smsmith 82237785Smsmith if (length > MHLEN) { 823111119Simp MCLGET(m, M_DONTWAIT); 82437785Smsmith if (!(m->m_flags & M_EXT)) { 82537785Smsmith m_freem(m); 82637785Smsmith return -1; 82737785Smsmith } 82837785Smsmith } 82937785Smsmith 83037785Smsmith /* Initialize packet's header info */ 83137785Smsmith m->m_pkthdr.rcvif = ifp; 83237785Smsmith m->m_pkthdr.len = length; 83337785Smsmith m->m_len = length; 83437785Smsmith 83537785Smsmith /* Get the data */ 83637785Smsmith insw(iobase + RX_FRAME_PORT, m->m_data, (length+1)>>1); 83737785Smsmith 83837785Smsmith eh = mtod(m, struct ether_header *); 83937785Smsmith 84037785Smsmith#ifdef CS_DEBUG 84137785Smsmith for (i=0;i<length;i++) 84237785Smsmith printf(" %02x",(unsigned char)*((char *)(m->m_data+i))); 84337785Smsmith printf( "\n" ); 84437785Smsmith#endif 84537785Smsmith 84637785Smsmith if (status & (RX_IA | RX_BROADCAST) || 84737785Smsmith (ifp->if_flags & IFF_MULTICAST && status & RX_HASHED)) { 84837785Smsmith /* Feed the packet to the upper layer */ 849106937Ssam (*ifp->if_input)(ifp, m); 85037785Smsmith ifp->if_ipackets++; 851122024Simp if (length == ETHER_MAX_LEN-ETHER_CRC_LEN) 852122024Simp DELAY(cs_recv_delay); 85337785Smsmith } else { 85437785Smsmith m_freem(m); 85537785Smsmith } 85637785Smsmith 85737785Smsmith return 0; 85837785Smsmith} 85937785Smsmith 86037785Smsmith/* 86158816Simp * Handle interrupts 86237785Smsmith */ 86358816Simpvoid 86458816Simpcsintr(void *arg) 86537785Smsmith{ 86658816Simp struct cs_softc *sc = (struct cs_softc*) arg; 86737785Smsmith struct ifnet *ifp = &(sc->arpcom.ac_if); 86841591Sarchie int status; 86937785Smsmith 87037785Smsmith#ifdef CS_DEBUG 871104252Sbrooks if_printf(ifp, "Interrupt.\n"); 87237785Smsmith#endif 87337785Smsmith 87472940Simp while ((status=cs_inw(sc, ISQ_PORT))) { 87537785Smsmith 87637785Smsmith#ifdef CS_DEBUG 877104252Sbrooks if_printf(ifp, "from ISQ: %04x\n", status); 87837785Smsmith#endif 87937785Smsmith 88037785Smsmith switch (status & ISQ_EVENT_MASK) { 88137785Smsmith case ISQ_RECEIVER_EVENT: 88237785Smsmith cs_get_packet(sc); 88337785Smsmith break; 88437785Smsmith 88537785Smsmith case ISQ_TRANSMITTER_EVENT: 88637785Smsmith if (status & TX_OK) 88737785Smsmith ifp->if_opackets++; 88837785Smsmith else 88937785Smsmith ifp->if_oerrors++; 89037785Smsmith ifp->if_flags &= ~IFF_OACTIVE; 89137785Smsmith ifp->if_timer = 0; 89237785Smsmith break; 89337785Smsmith 89437785Smsmith case ISQ_BUFFER_EVENT: 89537785Smsmith if (status & READY_FOR_TX) { 89637785Smsmith ifp->if_flags &= ~IFF_OACTIVE; 89737785Smsmith ifp->if_timer = 0; 89837785Smsmith } 89937785Smsmith 90037785Smsmith if (status & TX_UNDERRUN) { 90137785Smsmith ifp->if_flags &= ~IFF_OACTIVE; 90237785Smsmith ifp->if_timer = 0; 90337785Smsmith ifp->if_oerrors++; 90437785Smsmith } 90537785Smsmith break; 90637785Smsmith 90737785Smsmith case ISQ_RX_MISS_EVENT: 90837785Smsmith ifp->if_ierrors+=(status>>6); 90937785Smsmith break; 91037785Smsmith 91137785Smsmith case ISQ_TX_COL_EVENT: 91237785Smsmith ifp->if_collisions+=(status>>6); 91337785Smsmith break; 91437785Smsmith } 91537785Smsmith } 91637785Smsmith 91737785Smsmith if (!(ifp->if_flags & IFF_OACTIVE)) { 91837785Smsmith cs_start(ifp); 91937785Smsmith } 92037785Smsmith} 92137785Smsmith 92237785Smsmith/* 92337785Smsmith * Save the data in buffer 92437785Smsmith */ 92537785Smsmith 92637785Smsmithstatic void 92737785Smsmithcs_write_mbufs( struct cs_softc *sc, struct mbuf *m ) 92837785Smsmith{ 92937785Smsmith int len; 93037785Smsmith struct mbuf *mp; 93137785Smsmith unsigned char *data, *buf; 93237785Smsmith 93337785Smsmith for (mp=m, buf=sc->buffer, sc->buf_len=0; mp != NULL; mp=mp->m_next) { 93437785Smsmith len = mp->m_len; 93537785Smsmith 93637785Smsmith /* 93737785Smsmith * Ignore empty parts 93837785Smsmith */ 93937785Smsmith if (!len) 94037785Smsmith continue; 94137785Smsmith 94237785Smsmith /* 94337785Smsmith * Find actual data address 94437785Smsmith */ 94537785Smsmith data = mtod(mp, caddr_t); 94637785Smsmith 94737785Smsmith bcopy((caddr_t) data, (caddr_t) buf, len); 94837785Smsmith buf += len; 94937785Smsmith sc->buf_len += len; 95037785Smsmith } 95137785Smsmith} 95237785Smsmith 95337785Smsmith 95437785Smsmithstatic void 95537785Smsmithcs_xmit_buf( struct cs_softc *sc ) 95637785Smsmith{ 95737785Smsmith outsw(sc->nic_addr+TX_FRAME_PORT, sc->buffer, (sc->buf_len+1)>>1); 95837785Smsmith sc->buf_len = 0; 95937785Smsmith} 96037785Smsmith 96137785Smsmithstatic void 96237785Smsmithcs_start(struct ifnet *ifp) 96337785Smsmith{ 96437785Smsmith int s, length; 96537785Smsmith struct mbuf *m, *mp; 96637785Smsmith struct cs_softc *sc = ifp->if_softc; 96737785Smsmith 96837785Smsmith s = splimp(); 96937785Smsmith 97037785Smsmith for (;;) { 97137785Smsmith if (sc->buf_len) 97237785Smsmith length = sc->buf_len; 97337785Smsmith else { 97437785Smsmith IF_DEQUEUE( &ifp->if_snd, m ); 97537785Smsmith 97637785Smsmith if (m==NULL) { 97737785Smsmith (void) splx(s); 97837785Smsmith return; 97937785Smsmith } 98037785Smsmith 98137785Smsmith for (length=0, mp=m; mp != NULL; mp=mp->m_next) 98237785Smsmith length += mp->m_len; 98337785Smsmith 98437785Smsmith /* Skip zero-length packets */ 98537785Smsmith if (length == 0) { 98637785Smsmith m_freem(m); 98737785Smsmith continue; 98837785Smsmith } 98937785Smsmith 99037785Smsmith cs_write_mbufs(sc, m); 99137785Smsmith 992106937Ssam BPF_MTAP(ifp, m); 99337785Smsmith 99437785Smsmith m_freem(m); 99537785Smsmith } 99637785Smsmith 99737785Smsmith /* 99837785Smsmith * Issue a SEND command 99937785Smsmith */ 100072940Simp cs_outw(sc, TX_CMD_PORT, sc->send_cmd); 100172940Simp cs_outw(sc, TX_LEN_PORT, length ); 100237785Smsmith 100337785Smsmith /* 100437785Smsmith * If there's no free space in the buffer then leave 100537785Smsmith * this packet for the next time: indicate output active 100637785Smsmith * and return. 100737785Smsmith */ 100872940Simp if (!(cs_readreg(sc, PP_BusST) & READY_FOR_TX_NOW)) { 100937785Smsmith ifp->if_timer = sc->buf_len; 101037785Smsmith (void) splx(s); 101137785Smsmith ifp->if_flags |= IFF_OACTIVE; 101237785Smsmith return; 101337785Smsmith } 101437785Smsmith 101537785Smsmith cs_xmit_buf(sc); 101637785Smsmith 101737785Smsmith /* 101837785Smsmith * Set the watchdog timer in case we never hear 101937785Smsmith * from board again. (I don't know about correct 102037785Smsmith * value for this timeout) 102137785Smsmith */ 102237785Smsmith ifp->if_timer = length; 102337785Smsmith 102437785Smsmith (void) splx(s); 102537785Smsmith ifp->if_flags |= IFF_OACTIVE; 102637785Smsmith return; 102737785Smsmith } 102837785Smsmith} 102937785Smsmith 103037785Smsmith/* 103137785Smsmith * Stop everything on the interface 103237785Smsmith */ 103337785Smsmithstatic void 103437785Smsmithcs_stop(struct cs_softc *sc) 103537785Smsmith{ 103637785Smsmith int s = splimp(); 103737785Smsmith 103872940Simp cs_writereg(sc, PP_RxCFG, 0); 103972940Simp cs_writereg(sc, PP_TxCFG, 0); 104072940Simp cs_writereg(sc, PP_BufCFG, 0); 104172940Simp cs_writereg(sc, PP_BusCTL, 0); 104237785Smsmith 104337785Smsmith sc->arpcom.ac_if.if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 104437785Smsmith sc->arpcom.ac_if.if_timer = 0; 104537785Smsmith 104637785Smsmith (void) splx(s); 104737785Smsmith} 104837785Smsmith 104937785Smsmith/* 105037785Smsmith * Reset the interface 105137785Smsmith */ 105237785Smsmithstatic void 105337785Smsmithcs_reset(struct cs_softc *sc) 105437785Smsmith{ 105537785Smsmith cs_stop(sc); 105637785Smsmith cs_init(sc); 105737785Smsmith} 105837785Smsmith 105937785Smsmithstatic void 106037785Smsmithcs_setmode(struct cs_softc *sc) 106137785Smsmith{ 106237785Smsmith struct ifnet *ifp = &(sc->arpcom.ac_if); 106337785Smsmith int rx_ctl; 106437785Smsmith 106537785Smsmith /* Stop the receiver while changing filters */ 106672940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) & ~SERIAL_RX_ON); 106737785Smsmith 106837785Smsmith if (ifp->if_flags & IFF_PROMISC) { 106937785Smsmith /* Turn on promiscuous mode. */ 107037785Smsmith rx_ctl = RX_OK_ACCEPT | RX_PROM_ACCEPT; 107137785Smsmith } else { 107237785Smsmith if (ifp->if_flags & IFF_MULTICAST) { 107337785Smsmith /* Allow receiving frames with multicast addresses */ 107437785Smsmith rx_ctl = RX_IA_ACCEPT | RX_BROADCAST_ACCEPT | 107537785Smsmith RX_OK_ACCEPT | RX_MULTCAST_ACCEPT; 107637785Smsmith /* 107737785Smsmith * Here the reconfiguration of chip's multicast 107837785Smsmith * filters should be done but I've no idea about 107937785Smsmith * hash transformation in this chip. If you can 108037785Smsmith * add this code or describe me the transformation 108137785Smsmith * I'd be very glad. 108237785Smsmith */ 108337785Smsmith } else { 108437785Smsmith /* 108537785Smsmith * Receive only good frames addressed for us and 108637785Smsmith * good broadcasts. 108737785Smsmith */ 108837785Smsmith rx_ctl = RX_IA_ACCEPT | RX_BROADCAST_ACCEPT | 108937785Smsmith RX_OK_ACCEPT; 109037785Smsmith } 109137785Smsmith } 109237785Smsmith 109337785Smsmith /* Set up the filter */ 109472940Simp cs_writereg(sc, PP_RxCTL, RX_DEF_ACCEPT | rx_ctl); 109537785Smsmith 109637785Smsmith /* Turn on receiver */ 109772940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) | SERIAL_RX_ON); 109837785Smsmith} 109937785Smsmith 110037785Smsmithstatic int 110137785Smsmithcs_ioctl(register struct ifnet *ifp, u_long command, caddr_t data) 110237785Smsmith{ 110337785Smsmith struct cs_softc *sc=ifp->if_softc; 110437785Smsmith struct ifreq *ifr = (struct ifreq *)data; 110537785Smsmith int s,error=0; 110637785Smsmith 110737785Smsmith#ifdef CS_DEBUG 1108104252Sbrooks if_printf(ifp, "ioctl(%lx)\n", command); 110937785Smsmith#endif 111037785Smsmith 111137785Smsmith s=splimp(); 111237785Smsmith 111337785Smsmith switch (command) { 111437785Smsmith case SIOCSIFFLAGS: 111537785Smsmith /* 111637785Smsmith * Switch interface state between "running" and 111737785Smsmith * "stopped", reflecting the UP flag. 111837785Smsmith */ 111937785Smsmith if (sc->arpcom.ac_if.if_flags & IFF_UP) { 112037785Smsmith if ((sc->arpcom.ac_if.if_flags & IFF_RUNNING)==0) { 112137785Smsmith cs_init(sc); 112237785Smsmith } 112337785Smsmith } else { 112437785Smsmith if ((sc->arpcom.ac_if.if_flags & IFF_RUNNING)!=0) { 112537785Smsmith cs_stop(sc); 112637785Smsmith } 112737785Smsmith } 112837785Smsmith /* 112937785Smsmith * Promiscuous and/or multicast flags may have changed, 113037785Smsmith * so reprogram the multicast filter and/or receive mode. 113137785Smsmith * 113237785Smsmith * See note about multicasts in cs_setmode 113337785Smsmith */ 113437785Smsmith cs_setmode(sc); 113537785Smsmith break; 113637785Smsmith 113737785Smsmith case SIOCADDMULTI: 113837785Smsmith case SIOCDELMULTI: 113937785Smsmith /* 114037785Smsmith * Multicast list has changed; set the hardware filter 114137785Smsmith * accordingly. 114237785Smsmith * 114337785Smsmith * See note about multicasts in cs_setmode 114437785Smsmith */ 114537785Smsmith cs_setmode(sc); 114637785Smsmith error = 0; 114737785Smsmith break; 114837785Smsmith 114937785Smsmith case SIOCSIFMEDIA: 115037785Smsmith case SIOCGIFMEDIA: 115137785Smsmith error = ifmedia_ioctl(ifp, ifr, &sc->media, command); 115237785Smsmith break; 115337785Smsmith 115437785Smsmith default: 1155140921Simp error = ether_ioctl(ifp, command, data); 1156106937Ssam break; 115737785Smsmith } 115837785Smsmith 115937785Smsmith (void) splx(s); 116037785Smsmith return error; 116137785Smsmith} 116237785Smsmith 116337785Smsmith/* 116437785Smsmith * Device timeout/watchdog routine. Entered if the device neglects to 116537785Smsmith * generate an interrupt after a transmit has been started on it. 116637785Smsmith */ 116737785Smsmithstatic void 116837785Smsmithcs_watchdog(struct ifnet *ifp) 116937785Smsmith{ 117058816Simp struct cs_softc *sc = ifp->if_softc; 117137785Smsmith 117237785Smsmith ifp->if_oerrors++; 1173121816Sbrooks log(LOG_ERR, "%s: device timeout\n", ifp->if_xname); 117437785Smsmith 117537785Smsmith /* Reset the interface */ 117637785Smsmith if (ifp->if_flags & IFF_UP) 117737785Smsmith cs_reset(sc); 117837785Smsmith else 117937785Smsmith cs_stop(sc); 118037785Smsmith} 118137785Smsmith 118237785Smsmithstatic int 118337785Smsmithcs_mediachange(struct ifnet *ifp) 118437785Smsmith{ 118537785Smsmith struct cs_softc *sc = ifp->if_softc; 118637785Smsmith struct ifmedia *ifm = &sc->media; 118737785Smsmith 118837785Smsmith if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 118937785Smsmith return EINVAL; 119037785Smsmith 119137785Smsmith return cs_mediaset(sc, ifm->ifm_media); 119237785Smsmith} 119337785Smsmith 119437785Smsmithstatic void 119537785Smsmithcs_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 119637785Smsmith{ 119737785Smsmith int line_status; 119837785Smsmith struct cs_softc *sc = ifp->if_softc; 119937785Smsmith 120037785Smsmith ifmr->ifm_active = IFM_ETHER; 120172940Simp line_status = cs_readreg(sc, PP_LineST); 120237785Smsmith if (line_status & TENBASET_ON) { 120337785Smsmith ifmr->ifm_active |= IFM_10_T; 120437785Smsmith if (sc->chip_type != CS8900) { 120572940Simp if (cs_readreg(sc, PP_AutoNegST) & FDX_ACTIVE) 120637785Smsmith ifmr->ifm_active |= IFM_FDX; 120772940Simp if (cs_readreg(sc, PP_AutoNegST) & HDX_ACTIVE) 120837785Smsmith ifmr->ifm_active |= IFM_HDX; 120937785Smsmith } 121037785Smsmith ifmr->ifm_status = IFM_AVALID; 121137785Smsmith if (line_status & LINK_OK) 121237785Smsmith ifmr->ifm_status |= IFM_ACTIVE; 121337785Smsmith } else { 121438305Smsmith if (line_status & AUI_ON) { 121572940Simp cs_writereg(sc, PP_SelfCTL, cs_readreg(sc, PP_SelfCTL) | 121672940Simp HCB1_ENBL); 121738305Smsmith if (((sc->adapter_cnf & A_CNF_DC_DC_POLARITY)!=0)^ 121872940Simp (cs_readreg(sc, PP_SelfCTL) & HCB1)) 121938305Smsmith ifmr->ifm_active |= IFM_10_2; 122038305Smsmith else 122138305Smsmith ifmr->ifm_active |= IFM_10_5; 122238305Smsmith } 122337785Smsmith } 122437785Smsmith} 122537785Smsmith 122637785Smsmithstatic int 122737785Smsmithcs_mediaset(struct cs_softc *sc, int media) 122837785Smsmith{ 122937785Smsmith int error; 123037785Smsmith 123137785Smsmith /* Stop the receiver & transmitter */ 123272940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) & 123372940Simp ~(SERIAL_RX_ON | SERIAL_TX_ON)); 123437785Smsmith 123537785Smsmith#ifdef CS_DEBUG 1236104252Sbrooks if_printf(&sc->arpcom.ac_if, "cs_setmedia(%x)\n", media); 123737785Smsmith#endif 123837785Smsmith 123937785Smsmith switch (IFM_SUBTYPE(media)) { 124037785Smsmith default: 124137785Smsmith case IFM_AUTO: 124238592Smsmith if ((error=enable_tp(sc))==0) 124338592Smsmith error = cs_duplex_auto(sc); 124443314Sdillon else if ((error=enable_bnc(sc)) != 0) 124538592Smsmith error = enable_aui(sc); 124637785Smsmith break; 124737785Smsmith case IFM_10_T: 124843314Sdillon if ((error=enable_tp(sc)) != 0) 124937785Smsmith break; 125037785Smsmith if (media & IFM_FDX) 125137785Smsmith cs_duplex_full(sc); 125237785Smsmith else if (media & IFM_HDX) 125337785Smsmith cs_duplex_half(sc); 125437785Smsmith else 125537785Smsmith error = cs_duplex_auto(sc); 125637785Smsmith break; 125737785Smsmith case IFM_10_2: 125837785Smsmith error = enable_bnc(sc); 125937785Smsmith break; 126037785Smsmith case IFM_10_5: 126137785Smsmith error = enable_aui(sc); 126237785Smsmith break; 126337785Smsmith } 126437785Smsmith 126537785Smsmith /* 126637785Smsmith * Turn the transmitter & receiver back on 126737785Smsmith */ 126872940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) | 126972940Simp SERIAL_RX_ON | SERIAL_TX_ON); 127037785Smsmith 127137785Smsmith return error; 127237785Smsmith} 1273