if_cs.c revision 111119
137785Smsmith/* 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 2937785Smsmith/* 3050477Speter * $FreeBSD: head/sys/dev/cs/if_cs.c 111119 2003-02-19 05:47:46Z imp $ 3137785Smsmith * 3237785Smsmith * Device driver for Crystal Semiconductor CS8920 based ethernet 3337785Smsmith * adapters. By Maxim Bolotin and Oleg Sharoiko, 27-April-1997 3437785Smsmith */ 3537785Smsmith 3658816Simp/* 3758816Simp#define CS_DEBUG 3858816Simp */ 3937785Smsmith 4037785Smsmith#include <sys/param.h> 4137785Smsmith#include <sys/systm.h> 4237785Smsmith#include <sys/malloc.h> 4358816Simp#include <sys/mbuf.h> 4458816Simp#include <sys/socket.h> 4537785Smsmith#include <sys/sockio.h> 4637785Smsmith#include <sys/kernel.h> 4738592Smsmith#include <sys/sysctl.h> 4837785Smsmith#include <sys/syslog.h> 4937785Smsmith 5058816Simp#include <sys/module.h> 5158816Simp#include <sys/bus.h> 5258816Simp#include <machine/bus.h> 5358816Simp#include <sys/rman.h> 5458816Simp#include <machine/resource.h> 5558816Simp 5637785Smsmith#include <net/if.h> 5737785Smsmith#include <net/if_arp.h> 5837785Smsmith#include <net/if_media.h> 5937785Smsmith#include <net/ethernet.h> 6037785Smsmith#include <net/bpf.h> 6137785Smsmith 6272940Simp#include <dev/cs/if_csvar.h> 6358816Simp#include <dev/cs/if_csreg.h> 6437785Smsmith 6537785Smsmith#ifdef CS_USE_64K_DMA 6637785Smsmith#define CS_DMA_BUFFER_SIZE 65536 6737785Smsmith#else 6837785Smsmith#define CS_DMA_BUFFER_SIZE 16384 6937785Smsmith#endif 7037785Smsmith 7138592Smsmithstatic int cs_recv_delay = 570; 7238592SmsmithSYSCTL_INT(_machdep, OID_AUTO, cs_recv_delay, CTLFLAG_RW, &cs_recv_delay, 0, ""); 7338592Smsmith 7471316Simpstatic void cs_init (void *); 7571316Simpstatic int cs_ioctl (struct ifnet *, u_long, caddr_t); 7671316Simpstatic void cs_start (struct ifnet *); 7771316Simpstatic void cs_stop (struct cs_softc *); 7871316Simpstatic void cs_reset (struct cs_softc *); 7971316Simpstatic void cs_watchdog (struct ifnet *); 8058816Simp 8171316Simpstatic int cs_mediachange (struct ifnet *); 8271316Simpstatic void cs_mediastatus (struct ifnet *, struct ifmediareq *); 8371316Simpstatic int cs_mediaset (struct cs_softc *, int); 8458816Simp 8537785Smsmithstatic void cs_write_mbufs(struct cs_softc*, struct mbuf*); 8637785Smsmithstatic void cs_xmit_buf(struct cs_softc*); 8737785Smsmithstatic int cs_get_packet(struct cs_softc*); 8837785Smsmithstatic void cs_setmode(struct cs_softc*); 8937785Smsmith 9037785Smsmithstatic int get_eeprom_data(struct cs_softc *sc, int, int, int *); 9137785Smsmithstatic int get_eeprom_cksum(int, int, int *); 9237785Smsmithstatic int wait_eeprom_ready( struct cs_softc *); 9337785Smsmithstatic void control_dc_dc( struct cs_softc *, int ); 9437785Smsmithstatic int send_test_pkt( struct cs_softc * ); 9537785Smsmithstatic int enable_tp(struct cs_softc *); 9637785Smsmithstatic int enable_aui(struct cs_softc *); 9737785Smsmithstatic int enable_bnc(struct cs_softc *); 9837785Smsmithstatic int cs_duplex_auto(struct cs_softc *); 9937785Smsmith 10071316Simpdevclass_t cs_devclass; 10137785Smsmith 10237785Smsmithstatic int 10337785Smsmithget_eeprom_data( struct cs_softc *sc, int off, int len, int *buffer) 10437785Smsmith{ 10537785Smsmith int i; 10637785Smsmith 10737785Smsmith#ifdef CS_DEBUG 10837785Smsmith printf(CS_NAME":EEPROM data from %x for %x:\n", off,len); 10937785Smsmith#endif 11037785Smsmith 11137785Smsmith for (i=0;i<len;i++) { 11237785Smsmith if (wait_eeprom_ready(sc) < 0) return -1; 11337785Smsmith /* Send command to EEPROM to read */ 11472940Simp cs_writereg(sc, PP_EECMD, (off + i) | EEPROM_READ_CMD); 11537785Smsmith if (wait_eeprom_ready(sc)<0) 11672940Simp return (-1); 11772940Simp buffer[i] = cs_readreg(sc, PP_EEData); 11837785Smsmith 11937785Smsmith#ifdef CS_DEBUG 12037785Smsmith printf("%02x %02x ",(unsigned char)buffer[i], 12137785Smsmith (unsigned char)buffer[i+1]); 12237785Smsmith#endif 12337785Smsmith } 12437785Smsmith 12537785Smsmith#ifdef CS_DEBUG 12637785Smsmith printf("\n"); 12737785Smsmith#endif 12872940Simp return (0); 12937785Smsmith} 13037785Smsmith 13137785Smsmithstatic int 13237785Smsmithget_eeprom_cksum(int off, int len, int *buffer) 13337785Smsmith{ 13437785Smsmith int i,cksum=0; 13537785Smsmith 13637785Smsmith for (i=0;i<len;i++) 13737785Smsmith cksum+=buffer[i]; 13837785Smsmith cksum &= 0xffff; 13937785Smsmith if (cksum==0) 14037785Smsmith return 0; 14137785Smsmith return -1; 14237785Smsmith} 14337785Smsmith 14437785Smsmithstatic int 14537785Smsmithwait_eeprom_ready(struct cs_softc *sc) 14637785Smsmith{ 14737785Smsmith DELAY ( 30000 ); /* XXX should we do some checks here ? */ 14837785Smsmith return 0; 14937785Smsmith} 15037785Smsmith 15137785Smsmithstatic void 15237785Smsmithcontrol_dc_dc(struct cs_softc *sc, int on_not_off) 15337785Smsmith{ 15437785Smsmith unsigned int self_control = HCB1_ENBL; 15537785Smsmith 15637785Smsmith if (((sc->adapter_cnf & A_CNF_DC_DC_POLARITY)!=0) ^ on_not_off) 15737785Smsmith self_control |= HCB1; 15837785Smsmith else 15937785Smsmith self_control &= ~HCB1; 16072940Simp cs_writereg(sc, PP_SelfCTL, self_control); 16137785Smsmith 16237785Smsmith DELAY( 500000 ); 16337785Smsmith} 16437785Smsmith 16537785Smsmith 16637785Smsmithstatic int 16737785Smsmithcs_duplex_auto(struct cs_softc *sc) 16837785Smsmith{ 169104252Sbrooks int i, error=0; 17037785Smsmith 17172940Simp cs_writereg(sc, PP_AutoNegCTL, 17272940Simp RE_NEG_NOW | ALLOW_FDX | AUTO_NEG_ENABLE); 17372940Simp for (i=0; cs_readreg(sc, PP_AutoNegST) & AUTO_NEG_BUSY; i++) { 17437785Smsmith if (i > 40000) { 175104252Sbrooks if_printf(&sc->arpcom.ac_if, 176104252Sbrooks "full/half duplex auto negotiation timeout\n"); 17737785Smsmith error = ETIMEDOUT; 17837785Smsmith break; 17937785Smsmith } 18037785Smsmith DELAY(1000); 18137785Smsmith } 18237785Smsmith DELAY( 1000000 ); 18337785Smsmith return error; 18437785Smsmith} 18537785Smsmith 18637785Smsmithstatic int 18737785Smsmithenable_tp(struct cs_softc *sc) 18837785Smsmith{ 18937785Smsmith 19072940Simp cs_writereg(sc, PP_LineCTL, sc->line_ctl & ~AUI_ONLY); 19137785Smsmith control_dc_dc(sc, 0); 19237785Smsmith DELAY( 150000 ); 19337785Smsmith 19472940Simp if ((cs_readreg(sc, PP_LineST) & LINK_OK)==0) { 195104252Sbrooks if_printf(&sc->arpcom.ac_if, "failed to enable TP\n"); 19637785Smsmith return EINVAL; 19737785Smsmith } 19837785Smsmith 19937785Smsmith return 0; 20037785Smsmith} 20137785Smsmith 20237785Smsmith/* 20337785Smsmith * XXX This was rewritten from Linux driver without any tests. 20437785Smsmith */ 20537785Smsmithstatic int 20637785Smsmithsend_test_pkt(struct cs_softc *sc) 20737785Smsmith{ 20837785Smsmith char test_packet[] = { 0,0,0,0,0,0, 0,0,0,0,0,0, 20937785Smsmith 0, 46, /* A 46 in network order */ 21037785Smsmith 0, 0, /* DSAP=0 & SSAP=0 fields */ 21137785Smsmith 0xf3, 0 /* Control (Test Req + P bit set) */ }; 21238305Smsmith int i; 21338305Smsmith u_char ether_address_backup[ETHER_ADDR_LEN]; 21437785Smsmith 21538305Smsmith for (i = 0; i < ETHER_ADDR_LEN; i++) { 21638305Smsmith ether_address_backup[i] = sc->arpcom.ac_enaddr[i]; 21738305Smsmith } 21838305Smsmith 21972940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) | SERIAL_TX_ON); 22072940Simp bcopy(test_packet, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 22172940Simp bcopy(test_packet+ETHER_ADDR_LEN, 22272940Simp sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 22372940Simp cs_outw(sc, TX_CMD_PORT, sc->send_cmd); 22472940Simp cs_outw(sc, TX_LEN_PORT, sizeof(test_packet)); 22537785Smsmith 22637785Smsmith /* Wait for chip to allocate memory */ 22737785Smsmith DELAY(50000); 22872940Simp if (!(cs_readreg(sc, PP_BusST) & READY_FOR_TX_NOW)) { 22938305Smsmith for (i = 0; i < ETHER_ADDR_LEN; i++) { 23038305Smsmith sc->arpcom.ac_enaddr[i] = ether_address_backup[i]; 23138305Smsmith } 23237785Smsmith return 0; 23338305Smsmith } 23437785Smsmith 23537785Smsmith outsw(sc->nic_addr + TX_FRAME_PORT, test_packet, sizeof(test_packet)); 23637785Smsmith 23737785Smsmith DELAY(30000); 23837785Smsmith 23972940Simp if ((cs_readreg(sc, PP_TxEvent) & TX_SEND_OK_BITS) == TX_OK) { 24038305Smsmith for (i = 0; i < ETHER_ADDR_LEN; i++) { 24138305Smsmith sc->arpcom.ac_enaddr[i] = ether_address_backup[i]; 24238305Smsmith } 24337785Smsmith return 1; 24438305Smsmith } 24538305Smsmith for (i = 0; i < ETHER_ADDR_LEN; i++) { 24638305Smsmith sc->arpcom.ac_enaddr[i] = ether_address_backup[i]; 24738305Smsmith } 24837785Smsmith return 0; 24937785Smsmith} 25037785Smsmith 25137785Smsmith/* 25237785Smsmith * XXX This was rewritten from Linux driver without any tests. 25337785Smsmith */ 25437785Smsmithstatic int 25537785Smsmithenable_aui(struct cs_softc *sc) 25637785Smsmith{ 25737785Smsmith 25837785Smsmith control_dc_dc(sc, 0); 25972940Simp cs_writereg(sc, PP_LineCTL, 26072940Simp (sc->line_ctl & ~AUTO_AUI_10BASET) | AUI_ONLY); 26137785Smsmith 26237785Smsmith if (!send_test_pkt(sc)) { 263104252Sbrooks if_printf(&sc->arpcom.ac_if, "failed to enable AUI\n"); 26437785Smsmith return EINVAL; 26537785Smsmith } 26637785Smsmith return 0; 26737785Smsmith} 26837785Smsmith 26937785Smsmith/* 27037785Smsmith * XXX This was rewritten from Linux driver without any tests. 27137785Smsmith */ 27237785Smsmithstatic int 27337785Smsmithenable_bnc(struct cs_softc *sc) 27437785Smsmith{ 27537785Smsmith 27637785Smsmith control_dc_dc(sc, 1); 27772940Simp cs_writereg(sc, PP_LineCTL, 27872940Simp (sc->line_ctl & ~AUTO_AUI_10BASET) | AUI_ONLY); 27937785Smsmith 28037785Smsmith if (!send_test_pkt(sc)) { 281104252Sbrooks if_printf(&sc->arpcom.ac_if, "failed to enable BNC\n"); 28237785Smsmith return EINVAL; 28337785Smsmith } 28437785Smsmith return 0; 28537785Smsmith} 28637785Smsmith 28771316Simpint 28858816Simpcs_cs89x0_probe(device_t dev) 28937785Smsmith{ 29058816Simp int i; 29158816Simp int error; 29258816Simp u_long irq, junk; 29358816Simp struct cs_softc *sc = device_get_softc(dev); 29437785Smsmith unsigned rev_type = 0; 29572940Simp u_int16_t id; 29658816Simp char chip_revision; 29737785Smsmith int eeprom_buff[CHKSUM_LEN]; 29837785Smsmith int chip_type, pp_isaint, pp_isadma; 29937785Smsmith 30058816Simp error = cs_alloc_port(dev, 0, CS_89x0_IO_PORTS); 30158816Simp if (error) 30258816Simp return (error); 30358816Simp 30472940Simp sc->nic_addr = rman_get_start(sc->port_res); 30558816Simp 30672940Simp if ((cs_inw(sc, ADD_PORT) & ADD_MASK) != ADD_SIG) { 30737785Smsmith /* Chip not detected. Let's try to reset it */ 30837785Smsmith if (bootverbose) 30958816Simp device_printf(dev, "trying to reset the chip.\n"); 31072940Simp cs_outw(sc, ADD_PORT, PP_SelfCTL); 31172940Simp i = cs_inw(sc, DATA_PORT); 31272940Simp cs_outw(sc, ADD_PORT, PP_SelfCTL); 31372940Simp cs_outw(sc, DATA_PORT, i | POWER_ON_RESET); 31472940Simp if ((cs_inw(sc, ADD_PORT) & ADD_MASK) != ADD_SIG) 31558816Simp return (ENXIO); 31637785Smsmith } 31737785Smsmith 31872940Simp for (i = 0; i < 10000; i++) { 31972940Simp id = cs_readreg(sc, PP_ChipID); 32072940Simp if (id == CHIP_EISA_ID_SIG) 32172940Simp break; 32272940Simp } 32372940Simp if (i == 10000) 32458816Simp return (ENXIO); 32537785Smsmith 32672940Simp rev_type = cs_readreg(sc, PRODUCT_ID_ADD); 32737785Smsmith chip_type = rev_type & ~REVISON_BITS; 32837785Smsmith chip_revision = ((rev_type & REVISON_BITS) >> 8) + 'A'; 32937785Smsmith 33037785Smsmith sc->chip_type = chip_type; 33158816Simp 33237785Smsmith if(chip_type==CS8900) { 33337785Smsmith pp_isaint = PP_CS8900_ISAINT; 33437785Smsmith pp_isadma = PP_CS8900_ISADMA; 33537785Smsmith sc->send_cmd = TX_CS8900_AFTER_ALL; 33637785Smsmith } else { 33737785Smsmith pp_isaint = PP_CS8920_ISAINT; 33837785Smsmith pp_isadma = PP_CS8920_ISADMA; 33937785Smsmith sc->send_cmd = TX_CS8920_AFTER_ALL; 34037785Smsmith } 34137785Smsmith 34237785Smsmith /* 34337785Smsmith * Clear some fields so that fail of EEPROM will left them clean 34437785Smsmith */ 34537785Smsmith sc->auto_neg_cnf = 0; 34637785Smsmith sc->adapter_cnf = 0; 34737785Smsmith sc->isa_config = 0; 34837785Smsmith 34937785Smsmith /* 35058816Simp * If no interrupt specified (or "?"), use what the board tells us. 35137785Smsmith */ 35258816Simp error = bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, &junk); 35358816Simp 35458816Simp /* 35558816Simp * Get data from EEPROM 35658816Simp */ 35772940Simp if((cs_readreg(sc, PP_SelfST) & EEPROM_PRESENT) == 0) { 35858816Simp device_printf(dev, "No EEPROM, assuming defaults.\n"); 35937785Smsmith } else { 36037785Smsmith if (get_eeprom_data(sc,START_EEPROM_DATA,CHKSUM_LEN, eeprom_buff)<0) { 36158816Simp device_printf(dev, "EEPROM read failed, " 36258816Simp "assuming defaults.\n"); 36337785Smsmith } else { 36437785Smsmith if (get_eeprom_cksum(START_EEPROM_DATA,CHKSUM_LEN, eeprom_buff)<0) { 36558816Simp device_printf(dev, "EEPROM cheksum bad, " 36658816Simp "assuming defaults.\n"); 36737785Smsmith } else { 36837785Smsmith sc->auto_neg_cnf = 36937785Smsmith eeprom_buff[AUTO_NEG_CNF_OFFSET/2]; 37037785Smsmith sc->adapter_cnf = 37137785Smsmith eeprom_buff[ADAPTER_CNF_OFFSET/2]; 37237785Smsmith sc->isa_config = 37337785Smsmith eeprom_buff[ISA_CNF_OFFSET/2]; 37437785Smsmith 37537785Smsmith for (i=0; i<ETHER_ADDR_LEN/2; i++) { 37637785Smsmith sc->arpcom.ac_enaddr[i*2]= 37737785Smsmith eeprom_buff[i]; 37837785Smsmith sc->arpcom.ac_enaddr[i*2+1]= 37937785Smsmith eeprom_buff[i] >> 8; 38037785Smsmith } 38137785Smsmith 38237785Smsmith /* 38337785Smsmith * If no interrupt specified (or "?"), 38437785Smsmith * use what the board tells us. 38537785Smsmith */ 38658816Simp if (error) { 38758816Simp irq = sc->isa_config & INT_NO_MASK; 38837785Smsmith if (chip_type==CS8900) { 38958816Simp switch(irq) { 39058816Simp case 0: 39158816Simp irq=10; 39258816Simp error=0; 39358816Simp break; 39458816Simp case 1: 39558816Simp irq=11; 39658816Simp error=0; 39758816Simp break; 39858816Simp case 2: 39958816Simp irq=12; 40058816Simp error=0; 40158816Simp break; 40258816Simp case 3: 40358816Simp irq=5; 40458816Simp error=0; 40558816Simp break; 40658816Simp default: 40758816Simp device_printf(dev, "invalid irq in EEPROM.\n"); 40858816Simp error=EINVAL; 40958816Simp } 41058816Simp } else { 41158816Simp if (irq>CS8920_NO_INTS) { 41258816Simp device_printf(dev, "invalid irq in EEPROM.\n"); 41358816Simp error=EINVAL; 41458816Simp } else { 41558816Simp error=0; 41637785Smsmith } 41737785Smsmith } 41858816Simp 41958816Simp if (!error) 42058816Simp bus_set_resource(dev, SYS_RES_IRQ, 0, 42158816Simp irq, 1); 42258816Simp } 42337785Smsmith } 42437785Smsmith } 42537785Smsmith } 42637785Smsmith 42758816Simp if (!error) { 42837785Smsmith if (chip_type == CS8900) { 42937785Smsmith switch(irq) { 43058816Simp case 5: 43158816Simp irq = 3; 43258816Simp break; 43358816Simp case 10: 43458816Simp irq = 0; 43558816Simp break; 43658816Simp case 11: 43758816Simp irq = 1; 43858816Simp break; 43958816Simp case 12: 44058816Simp irq = 2; 44158816Simp break; 44258816Simp default: 44358816Simp error=EINVAL; 44437785Smsmith } 44537785Smsmith } else { 44637785Smsmith if (irq > CS8920_NO_INTS) { 44758816Simp error = EINVAL; 44837785Smsmith } 44937785Smsmith } 45058816Simp } 45158816Simp 45258816Simp if (!error) { 45372940Simp cs_writereg(sc, pp_isaint, irq); 45437785Smsmith } else { 45558816Simp device_printf(dev, "Unknown or invalid irq\n"); 45658816Simp return (ENXIO); 45737785Smsmith } 45837785Smsmith 45937785Smsmith /* 46037785Smsmith * Temporary disabled 46137785Smsmith * 46237785Smsmith if (drq>0) 46372940Simp cs_writereg(sc, pp_isadma, drq); 46437785Smsmith else { 465104252Sbrooks device_printf(dev, "incorrect drq\n",); 46637785Smsmith return 0; 46737785Smsmith } 46837785Smsmith */ 46937785Smsmith 47037785Smsmith if (bootverbose) 47158816Simp device_printf(dev, "CS89%c0%s rev %c media%s%s%s\n", 47237785Smsmith chip_type==CS8900 ? '0' : '2', 47337785Smsmith chip_type==CS8920M ? "M" : "", 47437785Smsmith chip_revision, 47537785Smsmith (sc->adapter_cnf & A_CNF_10B_T) ? " TP" : "", 47637785Smsmith (sc->adapter_cnf & A_CNF_AUI) ? " AUI" : "", 47758816Simp (sc->adapter_cnf & A_CNF_10B_2) ? " BNC" : ""); 47837785Smsmith 47937785Smsmith if ((sc->adapter_cnf & A_CNF_EXTND_10B_2) && 48037785Smsmith (sc->adapter_cnf & A_CNF_LOW_RX_SQUELCH)) 48137785Smsmith sc->line_ctl = LOW_RX_SQUELCH; 48237785Smsmith else 48337785Smsmith sc->line_ctl = 0; 48437785Smsmith 48537785Smsmith 48658816Simp return 0; 48737785Smsmith} 48837785Smsmith 48937785Smsmith/* 49058816Simp * Allocate a port resource with the given resource id. 49158816Simp */ 49258816Simpint cs_alloc_port(device_t dev, int rid, int size) 49358816Simp{ 49458816Simp struct cs_softc *sc = device_get_softc(dev); 49558816Simp struct resource *res; 49658816Simp 49758816Simp res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 49858816Simp 0ul, ~0ul, size, RF_ACTIVE); 49958816Simp if (res) { 50058816Simp sc->port_rid = rid; 50158816Simp sc->port_res = res; 50258816Simp sc->port_used = size; 50358816Simp return (0); 50458816Simp } else { 50558816Simp return (ENOENT); 50658816Simp } 50758816Simp} 50858816Simp 50958816Simp/* 51058816Simp * Allocate a memory resource with the given resource id. 51158816Simp */ 51258816Simpint cs_alloc_memory(device_t dev, int rid, int size) 51358816Simp{ 51458816Simp struct cs_softc *sc = device_get_softc(dev); 51558816Simp struct resource *res; 51658816Simp 51758816Simp res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 51858816Simp 0ul, ~0ul, size, RF_ACTIVE); 51958816Simp if (res) { 52058816Simp sc->mem_rid = rid; 52158816Simp sc->mem_res = res; 52258816Simp sc->mem_used = size; 52358816Simp return (0); 52458816Simp } else { 52558816Simp return (ENOENT); 52658816Simp } 52758816Simp} 52858816Simp 52958816Simp/* 53058816Simp * Allocate an irq resource with the given resource id. 53158816Simp */ 53258816Simpint cs_alloc_irq(device_t dev, int rid, int flags) 53358816Simp{ 53458816Simp struct cs_softc *sc = device_get_softc(dev); 53558816Simp struct resource *res; 53658816Simp 53758816Simp res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 53858816Simp 0ul, ~0ul, 1, (RF_ACTIVE | flags)); 53958816Simp if (res) { 54058816Simp sc->irq_rid = rid; 54158816Simp sc->irq_res = res; 54258816Simp return (0); 54358816Simp } else { 54458816Simp return (ENOENT); 54558816Simp } 54658816Simp} 54758816Simp 54858816Simp/* 54958816Simp * Release all resources 55058816Simp */ 55158816Simpvoid cs_release_resources(device_t dev) 55258816Simp{ 55358816Simp struct cs_softc *sc = device_get_softc(dev); 55458816Simp 55558816Simp if (sc->port_res) { 55658816Simp bus_release_resource(dev, SYS_RES_IOPORT, 55758816Simp sc->port_rid, sc->port_res); 55858816Simp sc->port_res = 0; 55958816Simp } 56058816Simp if (sc->mem_res) { 56158816Simp bus_release_resource(dev, SYS_RES_MEMORY, 56258816Simp sc->mem_rid, sc->mem_res); 56358816Simp sc->mem_res = 0; 56458816Simp } 56558816Simp if (sc->irq_res) { 56658816Simp bus_release_resource(dev, SYS_RES_IRQ, 56758816Simp sc->irq_rid, sc->irq_res); 56858816Simp sc->irq_res = 0; 56958816Simp } 57058816Simp} 57158816Simp 57258816Simp/* 57337785Smsmith * Install the interface into kernel networking data structures 57437785Smsmith */ 57571316Simpint 57637785Smsmithcs_attach(struct cs_softc *sc, int unit, int flags) 57737785Smsmith{ 57837785Smsmith int media=0; 57937785Smsmith struct ifnet *ifp = &(sc->arpcom.ac_if); 58037785Smsmith 58158816Simp cs_stop( sc ); 58258816Simp 58337785Smsmith if (!ifp->if_name) { 58437785Smsmith ifp->if_softc=sc; 58537785Smsmith ifp->if_unit=unit; 58658816Simp ifp->if_name="cs"; 58737785Smsmith ifp->if_output=ether_output; 58837785Smsmith ifp->if_start=cs_start; 58937785Smsmith ifp->if_ioctl=cs_ioctl; 59037785Smsmith ifp->if_watchdog=cs_watchdog; 59137785Smsmith ifp->if_init=cs_init; 59237785Smsmith ifp->if_snd.ifq_maxlen= IFQ_MAXLEN; 59337785Smsmith /* 59437785Smsmith * MIB DATA 59537785Smsmith */ 59637785Smsmith /* 59737785Smsmith ifp->if_linkmib=&sc->mibdata; 59837785Smsmith ifp->if_linkmiblen=sizeof sc->mibdata; 59937785Smsmith */ 60037785Smsmith 60137785Smsmith ifp->if_flags=(IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST ); 60237785Smsmith 60337785Smsmith /* 60437785Smsmith * this code still in progress (DMA support) 60537785Smsmith * 60637785Smsmith 60737785Smsmith sc->recv_ring=malloc(CS_DMA_BUFFER_SIZE<<1, M_DEVBUF, M_NOWAIT); 60837785Smsmith if (sc->recv_ring == NULL) { 60937785Smsmith log(LOG_ERR,CS_NAME 61037785Smsmith "%d: Couldn't allocate memory for NIC\n", unit); 61137785Smsmith return(0); 61237785Smsmith } 61337785Smsmith if ((sc->recv_ring-(sc->recv_ring & 0x1FFFF)) 61437785Smsmith < (128*1024-CS_DMA_BUFFER_SIZE)) 61537785Smsmith sc->recv_ring+=16*1024; 61637785Smsmith 61737785Smsmith */ 61837785Smsmith 61937785Smsmith sc->buffer=malloc(ETHER_MAX_LEN-ETHER_CRC_LEN,M_DEVBUF,M_NOWAIT); 62037785Smsmith if (sc->buffer == NULL) { 621104252Sbrooks if_printf(ifp, "Couldn't allocate memory for NIC\n"); 62237785Smsmith return(0); 62337785Smsmith } 62437785Smsmith 62537785Smsmith /* 62637785Smsmith * Initialize the media structures. 62737785Smsmith */ 62837785Smsmith ifmedia_init(&sc->media, 0, cs_mediachange, cs_mediastatus); 62937785Smsmith 63037785Smsmith if (sc->adapter_cnf & A_CNF_10B_T) { 63137785Smsmith ifmedia_add(&sc->media, IFM_ETHER|IFM_10_T, 0, NULL); 63237785Smsmith if (sc->chip_type != CS8900) { 63337785Smsmith ifmedia_add(&sc->media, 63437785Smsmith IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL); 63537785Smsmith ifmedia_add(&sc->media, 63637785Smsmith IFM_ETHER|IFM_10_T|IFM_HDX, 0, NULL); 63737785Smsmith } 63837785Smsmith } 63937785Smsmith 64037785Smsmith if (sc->adapter_cnf & A_CNF_10B_2) 64137785Smsmith ifmedia_add(&sc->media, IFM_ETHER|IFM_10_2, 0, NULL); 64237785Smsmith 64337785Smsmith if (sc->adapter_cnf & A_CNF_AUI) 64437785Smsmith ifmedia_add(&sc->media, IFM_ETHER|IFM_10_5, 0, NULL); 64537785Smsmith 64637785Smsmith if (sc->adapter_cnf & A_CNF_MEDIA) 64737785Smsmith ifmedia_add(&sc->media, IFM_ETHER|IFM_AUTO, 0, NULL); 64837785Smsmith 64937785Smsmith /* Set default media from EEPROM */ 65037785Smsmith switch (sc->adapter_cnf & A_CNF_MEDIA_TYPE) { 65137785Smsmith case A_CNF_MEDIA_AUTO: media = IFM_ETHER|IFM_AUTO; break; 65237785Smsmith case A_CNF_MEDIA_10B_T: media = IFM_ETHER|IFM_10_T; break; 65337785Smsmith case A_CNF_MEDIA_10B_2: media = IFM_ETHER|IFM_10_2; break; 65437785Smsmith case A_CNF_MEDIA_AUI: media = IFM_ETHER|IFM_10_5; break; 655104252Sbrooks default: if_printf(ifp, "adapter has no media\n"); 65637785Smsmith } 65737785Smsmith ifmedia_set(&sc->media, media); 65837785Smsmith cs_mediaset(sc, media); 65937785Smsmith 660106937Ssam ether_ifattach(ifp, sc->arpcom.ac_enaddr); 66137785Smsmith } 66237785Smsmith 66337785Smsmith if (bootverbose) 664104252Sbrooks if_printf(ifp, "ethernet address %6D\n", 665104252Sbrooks sc->arpcom.ac_enaddr, ":"); 66637785Smsmith 66758816Simp return (0); 66837785Smsmith} 66937785Smsmith 67037785Smsmith/* 67137785Smsmith * Initialize the board 67237785Smsmith */ 67337785Smsmithstatic void 67437785Smsmithcs_init(void *xsc) 67537785Smsmith{ 67637785Smsmith struct cs_softc *sc=(struct cs_softc *)xsc; 67737785Smsmith struct ifnet *ifp = &sc->arpcom.ac_if; 67841591Sarchie int i, s, rx_cfg; 67937785Smsmith 68037785Smsmith /* address not known */ 68137785Smsmith if (TAILQ_EMPTY(&ifp->if_addrhead)) /* unlikely? XXX */ 68237785Smsmith return; 68337785Smsmith 68437785Smsmith /* 68537785Smsmith * reset whatchdog timer 68637785Smsmith */ 68737785Smsmith ifp->if_timer=0; 68837785Smsmith sc->buf_len = 0; 68937785Smsmith 69037785Smsmith s=splimp(); 69137785Smsmith 69237785Smsmith /* 69337785Smsmith * Hardware initialization of cs 69437785Smsmith */ 69537785Smsmith 69637785Smsmith /* Enable receiver and transmitter */ 69772940Simp cs_writereg(sc, PP_LineCTL, 69872940Simp cs_readreg(sc, PP_LineCTL) | SERIAL_RX_ON | SERIAL_TX_ON); 69937785Smsmith 70037785Smsmith /* Configure the receiver mode */ 70137785Smsmith cs_setmode(sc); 70237785Smsmith 70337785Smsmith /* 70437785Smsmith * This defines what type of frames will cause interrupts 70537785Smsmith * Bad frames should generate interrupts so that the driver 70637785Smsmith * could track statistics of discarded packets 70737785Smsmith */ 70837785Smsmith rx_cfg = RX_OK_ENBL | RX_CRC_ERROR_ENBL | RX_RUNT_ENBL | 70937785Smsmith RX_EXTRA_DATA_ENBL; 71037785Smsmith if (sc->isa_config & STREAM_TRANSFER) 71137785Smsmith rx_cfg |= RX_STREAM_ENBL; 71272940Simp cs_writereg(sc, PP_RxCFG, rx_cfg); 71372940Simp cs_writereg(sc, PP_TxCFG, TX_LOST_CRS_ENBL | 71437785Smsmith TX_SQE_ERROR_ENBL | TX_OK_ENBL | TX_LATE_COL_ENBL | 71537785Smsmith TX_JBR_ENBL | TX_ANY_COL_ENBL | TX_16_COL_ENBL); 71672940Simp cs_writereg(sc, PP_BufCFG, READY_FOR_TX_ENBL | 71737785Smsmith RX_MISS_COUNT_OVRFLOW_ENBL | TX_COL_COUNT_OVRFLOW_ENBL | 71837785Smsmith TX_UNDERRUN_ENBL /*| RX_DMA_ENBL*/); 71937785Smsmith 72037785Smsmith /* Write MAC address into IA filter */ 72137785Smsmith for (i=0; i<ETHER_ADDR_LEN/2; i++) 72272940Simp cs_writereg(sc, PP_IA + i * 2, 72372940Simp sc->arpcom.ac_enaddr[i * 2] | 72472940Simp (sc->arpcom.ac_enaddr[i * 2 + 1] << 8) ); 72537785Smsmith 72637785Smsmith /* 72737785Smsmith * Now enable everything 72837785Smsmith */ 72937785Smsmith/* 73037785Smsmith#ifdef CS_USE_64K_DMA 73172940Simp cs_writereg(sc, PP_BusCTL, ENABLE_IRQ | RX_DMA_SIZE_64K); 73272940Simp#else 73372940Simp cs_writereg(sc, PP_BusCTL, ENABLE_IRQ); 73437785Smsmith#endif 73537785Smsmith*/ 73672940Simp cs_writereg(sc, PP_BusCTL, ENABLE_IRQ); 73737785Smsmith 73837785Smsmith /* 73937785Smsmith * Set running and clear output active flags 74037785Smsmith */ 74137785Smsmith sc->arpcom.ac_if.if_flags |= IFF_RUNNING; 74237785Smsmith sc->arpcom.ac_if.if_flags &= ~IFF_OACTIVE; 74337785Smsmith 74437785Smsmith /* 74537785Smsmith * Start sending process 74637785Smsmith */ 74737785Smsmith cs_start(ifp); 74837785Smsmith 74937785Smsmith (void) splx(s); 75037785Smsmith} 75137785Smsmith 75237785Smsmith/* 753106937Ssam * Get the packet from the board and send it to the upper layer. 75437785Smsmith */ 75537785Smsmithstatic int 75637785Smsmithcs_get_packet(struct cs_softc *sc) 75737785Smsmith{ 75837785Smsmith struct ifnet *ifp = &(sc->arpcom.ac_if); 75937785Smsmith int iobase = sc->nic_addr, status, length; 76037785Smsmith struct ether_header *eh; 76137785Smsmith struct mbuf *m; 76237785Smsmith 76337785Smsmith#ifdef CS_DEBUG 76437785Smsmith int i; 76537785Smsmith#endif 76637785Smsmith 76772940Simp status = cs_inw(sc, RX_FRAME_PORT); 76872940Simp length = cs_inw(sc, RX_FRAME_PORT); 76937785Smsmith 77037785Smsmith#ifdef CS_DEBUG 771104252Sbrooks if_printf(ifp, "rcvd: stat %x, len %d\n", 772104252Sbrooks status, length); 77337785Smsmith#endif 77437785Smsmith 77537785Smsmith if (!(status & RX_OK)) { 77637785Smsmith#ifdef CS_DEBUG 777104252Sbrooks if_printf(ifp, "bad pkt stat %x\n", status); 77837785Smsmith#endif 77937785Smsmith ifp->if_ierrors++; 78037785Smsmith return -1; 78137785Smsmith } 78237785Smsmith 783111119Simp MGETHDR(m, M_DONTWAIT, MT_DATA); 78437785Smsmith if (m==NULL) 78537785Smsmith return -1; 78637785Smsmith 78737785Smsmith if (length > MHLEN) { 788111119Simp MCLGET(m, M_DONTWAIT); 78937785Smsmith if (!(m->m_flags & M_EXT)) { 79037785Smsmith m_freem(m); 79137785Smsmith return -1; 79237785Smsmith } 79337785Smsmith } 79437785Smsmith 79537785Smsmith /* Initialize packet's header info */ 79637785Smsmith m->m_pkthdr.rcvif = ifp; 79737785Smsmith m->m_pkthdr.len = length; 79837785Smsmith m->m_len = length; 79937785Smsmith 80037785Smsmith /* Get the data */ 80137785Smsmith insw(iobase + RX_FRAME_PORT, m->m_data, (length+1)>>1); 80237785Smsmith 80337785Smsmith eh = mtod(m, struct ether_header *); 80437785Smsmith 80537785Smsmith#ifdef CS_DEBUG 80637785Smsmith for (i=0;i<length;i++) 80737785Smsmith printf(" %02x",(unsigned char)*((char *)(m->m_data+i))); 80837785Smsmith printf( "\n" ); 80937785Smsmith#endif 81037785Smsmith 81137785Smsmith if (status & (RX_IA | RX_BROADCAST) || 81237785Smsmith (ifp->if_flags & IFF_MULTICAST && status & RX_HASHED)) { 81337785Smsmith /* Feed the packet to the upper layer */ 814106937Ssam (*ifp->if_input)(ifp, m); 81537785Smsmith 81637785Smsmith ifp->if_ipackets++; 81737785Smsmith 81837785Smsmith if (length==ETHER_MAX_LEN-ETHER_CRC_LEN) 81938592Smsmith DELAY( cs_recv_delay ); 82037785Smsmith } else { 82137785Smsmith m_freem(m); 82237785Smsmith } 82337785Smsmith 82437785Smsmith return 0; 82537785Smsmith} 82637785Smsmith 82737785Smsmith/* 82858816Simp * Handle interrupts 82937785Smsmith */ 83058816Simpvoid 83158816Simpcsintr(void *arg) 83237785Smsmith{ 83358816Simp struct cs_softc *sc = (struct cs_softc*) arg; 83437785Smsmith struct ifnet *ifp = &(sc->arpcom.ac_if); 83541591Sarchie int status; 83637785Smsmith 83737785Smsmith#ifdef CS_DEBUG 838104252Sbrooks if_printf(ifp, "Interrupt.\n"); 83937785Smsmith#endif 84037785Smsmith 84172940Simp while ((status=cs_inw(sc, ISQ_PORT))) { 84237785Smsmith 84337785Smsmith#ifdef CS_DEBUG 844104252Sbrooks if_printf(ifp, "from ISQ: %04x\n", status); 84537785Smsmith#endif 84637785Smsmith 84737785Smsmith switch (status & ISQ_EVENT_MASK) { 84837785Smsmith case ISQ_RECEIVER_EVENT: 84937785Smsmith cs_get_packet(sc); 85037785Smsmith break; 85137785Smsmith 85237785Smsmith case ISQ_TRANSMITTER_EVENT: 85337785Smsmith if (status & TX_OK) 85437785Smsmith ifp->if_opackets++; 85537785Smsmith else 85637785Smsmith ifp->if_oerrors++; 85737785Smsmith ifp->if_flags &= ~IFF_OACTIVE; 85837785Smsmith ifp->if_timer = 0; 85937785Smsmith break; 86037785Smsmith 86137785Smsmith case ISQ_BUFFER_EVENT: 86237785Smsmith if (status & READY_FOR_TX) { 86337785Smsmith ifp->if_flags &= ~IFF_OACTIVE; 86437785Smsmith ifp->if_timer = 0; 86537785Smsmith } 86637785Smsmith 86737785Smsmith if (status & TX_UNDERRUN) { 86837785Smsmith ifp->if_flags &= ~IFF_OACTIVE; 86937785Smsmith ifp->if_timer = 0; 87037785Smsmith ifp->if_oerrors++; 87137785Smsmith } 87237785Smsmith break; 87337785Smsmith 87437785Smsmith case ISQ_RX_MISS_EVENT: 87537785Smsmith ifp->if_ierrors+=(status>>6); 87637785Smsmith break; 87737785Smsmith 87837785Smsmith case ISQ_TX_COL_EVENT: 87937785Smsmith ifp->if_collisions+=(status>>6); 88037785Smsmith break; 88137785Smsmith } 88237785Smsmith } 88337785Smsmith 88437785Smsmith if (!(ifp->if_flags & IFF_OACTIVE)) { 88537785Smsmith cs_start(ifp); 88637785Smsmith } 88737785Smsmith} 88837785Smsmith 88937785Smsmith/* 89037785Smsmith * Save the data in buffer 89137785Smsmith */ 89237785Smsmith 89337785Smsmithstatic void 89437785Smsmithcs_write_mbufs( struct cs_softc *sc, struct mbuf *m ) 89537785Smsmith{ 89637785Smsmith int len; 89737785Smsmith struct mbuf *mp; 89837785Smsmith unsigned char *data, *buf; 89937785Smsmith 90037785Smsmith for (mp=m, buf=sc->buffer, sc->buf_len=0; mp != NULL; mp=mp->m_next) { 90137785Smsmith len = mp->m_len; 90237785Smsmith 90337785Smsmith /* 90437785Smsmith * Ignore empty parts 90537785Smsmith */ 90637785Smsmith if (!len) 90737785Smsmith continue; 90837785Smsmith 90937785Smsmith /* 91037785Smsmith * Find actual data address 91137785Smsmith */ 91237785Smsmith data = mtod(mp, caddr_t); 91337785Smsmith 91437785Smsmith bcopy((caddr_t) data, (caddr_t) buf, len); 91537785Smsmith buf += len; 91637785Smsmith sc->buf_len += len; 91737785Smsmith } 91837785Smsmith} 91937785Smsmith 92037785Smsmith 92137785Smsmithstatic void 92237785Smsmithcs_xmit_buf( struct cs_softc *sc ) 92337785Smsmith{ 92437785Smsmith outsw(sc->nic_addr+TX_FRAME_PORT, sc->buffer, (sc->buf_len+1)>>1); 92537785Smsmith sc->buf_len = 0; 92637785Smsmith} 92737785Smsmith 92837785Smsmithstatic void 92937785Smsmithcs_start(struct ifnet *ifp) 93037785Smsmith{ 93137785Smsmith int s, length; 93237785Smsmith struct mbuf *m, *mp; 93337785Smsmith struct cs_softc *sc = ifp->if_softc; 93437785Smsmith 93537785Smsmith s = splimp(); 93637785Smsmith 93737785Smsmith for (;;) { 93837785Smsmith if (sc->buf_len) 93937785Smsmith length = sc->buf_len; 94037785Smsmith else { 94137785Smsmith IF_DEQUEUE( &ifp->if_snd, m ); 94237785Smsmith 94337785Smsmith if (m==NULL) { 94437785Smsmith (void) splx(s); 94537785Smsmith return; 94637785Smsmith } 94737785Smsmith 94837785Smsmith for (length=0, mp=m; mp != NULL; mp=mp->m_next) 94937785Smsmith length += mp->m_len; 95037785Smsmith 95137785Smsmith /* Skip zero-length packets */ 95237785Smsmith if (length == 0) { 95337785Smsmith m_freem(m); 95437785Smsmith continue; 95537785Smsmith } 95637785Smsmith 95737785Smsmith cs_write_mbufs(sc, m); 95837785Smsmith 959106937Ssam BPF_MTAP(ifp, m); 96037785Smsmith 96137785Smsmith m_freem(m); 96237785Smsmith } 96337785Smsmith 96437785Smsmith /* 96537785Smsmith * Issue a SEND command 96637785Smsmith */ 96772940Simp cs_outw(sc, TX_CMD_PORT, sc->send_cmd); 96872940Simp cs_outw(sc, TX_LEN_PORT, length ); 96937785Smsmith 97037785Smsmith /* 97137785Smsmith * If there's no free space in the buffer then leave 97237785Smsmith * this packet for the next time: indicate output active 97337785Smsmith * and return. 97437785Smsmith */ 97572940Simp if (!(cs_readreg(sc, PP_BusST) & READY_FOR_TX_NOW)) { 97637785Smsmith ifp->if_timer = sc->buf_len; 97737785Smsmith (void) splx(s); 97837785Smsmith ifp->if_flags |= IFF_OACTIVE; 97937785Smsmith return; 98037785Smsmith } 98137785Smsmith 98237785Smsmith cs_xmit_buf(sc); 98337785Smsmith 98437785Smsmith /* 98537785Smsmith * Set the watchdog timer in case we never hear 98637785Smsmith * from board again. (I don't know about correct 98737785Smsmith * value for this timeout) 98837785Smsmith */ 98937785Smsmith ifp->if_timer = length; 99037785Smsmith 99137785Smsmith (void) splx(s); 99237785Smsmith ifp->if_flags |= IFF_OACTIVE; 99337785Smsmith return; 99437785Smsmith } 99537785Smsmith} 99637785Smsmith 99737785Smsmith/* 99837785Smsmith * Stop everything on the interface 99937785Smsmith */ 100037785Smsmithstatic void 100137785Smsmithcs_stop(struct cs_softc *sc) 100237785Smsmith{ 100337785Smsmith int s = splimp(); 100437785Smsmith 100572940Simp cs_writereg(sc, PP_RxCFG, 0); 100672940Simp cs_writereg(sc, PP_TxCFG, 0); 100772940Simp cs_writereg(sc, PP_BufCFG, 0); 100872940Simp cs_writereg(sc, PP_BusCTL, 0); 100937785Smsmith 101037785Smsmith sc->arpcom.ac_if.if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 101137785Smsmith sc->arpcom.ac_if.if_timer = 0; 101237785Smsmith 101337785Smsmith (void) splx(s); 101437785Smsmith} 101537785Smsmith 101637785Smsmith/* 101737785Smsmith * Reset the interface 101837785Smsmith */ 101937785Smsmithstatic void 102037785Smsmithcs_reset(struct cs_softc *sc) 102137785Smsmith{ 102237785Smsmith cs_stop(sc); 102337785Smsmith cs_init(sc); 102437785Smsmith} 102537785Smsmith 102637785Smsmithstatic void 102737785Smsmithcs_setmode(struct cs_softc *sc) 102837785Smsmith{ 102937785Smsmith struct ifnet *ifp = &(sc->arpcom.ac_if); 103037785Smsmith int rx_ctl; 103137785Smsmith 103237785Smsmith /* Stop the receiver while changing filters */ 103372940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) & ~SERIAL_RX_ON); 103437785Smsmith 103537785Smsmith if (ifp->if_flags & IFF_PROMISC) { 103637785Smsmith /* Turn on promiscuous mode. */ 103737785Smsmith rx_ctl = RX_OK_ACCEPT | RX_PROM_ACCEPT; 103837785Smsmith } else { 103937785Smsmith if (ifp->if_flags & IFF_MULTICAST) { 104037785Smsmith /* Allow receiving frames with multicast addresses */ 104137785Smsmith rx_ctl = RX_IA_ACCEPT | RX_BROADCAST_ACCEPT | 104237785Smsmith RX_OK_ACCEPT | RX_MULTCAST_ACCEPT; 104337785Smsmith /* 104437785Smsmith * Here the reconfiguration of chip's multicast 104537785Smsmith * filters should be done but I've no idea about 104637785Smsmith * hash transformation in this chip. If you can 104737785Smsmith * add this code or describe me the transformation 104837785Smsmith * I'd be very glad. 104937785Smsmith */ 105037785Smsmith } else { 105137785Smsmith /* 105237785Smsmith * Receive only good frames addressed for us and 105337785Smsmith * good broadcasts. 105437785Smsmith */ 105537785Smsmith rx_ctl = RX_IA_ACCEPT | RX_BROADCAST_ACCEPT | 105637785Smsmith RX_OK_ACCEPT; 105737785Smsmith } 105837785Smsmith } 105937785Smsmith 106037785Smsmith /* Set up the filter */ 106172940Simp cs_writereg(sc, PP_RxCTL, RX_DEF_ACCEPT | rx_ctl); 106237785Smsmith 106337785Smsmith /* Turn on receiver */ 106472940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) | SERIAL_RX_ON); 106537785Smsmith} 106637785Smsmith 106737785Smsmithstatic int 106837785Smsmithcs_ioctl(register struct ifnet *ifp, u_long command, caddr_t data) 106937785Smsmith{ 107037785Smsmith struct cs_softc *sc=ifp->if_softc; 107137785Smsmith struct ifreq *ifr = (struct ifreq *)data; 107237785Smsmith int s,error=0; 107337785Smsmith 107437785Smsmith#ifdef CS_DEBUG 1075104252Sbrooks if_printf(ifp, "ioctl(%lx)\n", command); 107637785Smsmith#endif 107737785Smsmith 107837785Smsmith s=splimp(); 107937785Smsmith 108037785Smsmith switch (command) { 108137785Smsmith case SIOCSIFFLAGS: 108237785Smsmith /* 108337785Smsmith * Switch interface state between "running" and 108437785Smsmith * "stopped", reflecting the UP flag. 108537785Smsmith */ 108637785Smsmith if (sc->arpcom.ac_if.if_flags & IFF_UP) { 108737785Smsmith if ((sc->arpcom.ac_if.if_flags & IFF_RUNNING)==0) { 108837785Smsmith cs_init(sc); 108937785Smsmith } 109037785Smsmith } else { 109137785Smsmith if ((sc->arpcom.ac_if.if_flags & IFF_RUNNING)!=0) { 109237785Smsmith cs_stop(sc); 109337785Smsmith } 109437785Smsmith } 109537785Smsmith /* 109637785Smsmith * Promiscuous and/or multicast flags may have changed, 109737785Smsmith * so reprogram the multicast filter and/or receive mode. 109837785Smsmith * 109937785Smsmith * See note about multicasts in cs_setmode 110037785Smsmith */ 110137785Smsmith cs_setmode(sc); 110237785Smsmith break; 110337785Smsmith 110437785Smsmith case SIOCADDMULTI: 110537785Smsmith case SIOCDELMULTI: 110637785Smsmith /* 110737785Smsmith * Multicast list has changed; set the hardware filter 110837785Smsmith * accordingly. 110937785Smsmith * 111037785Smsmith * See note about multicasts in cs_setmode 111137785Smsmith */ 111237785Smsmith cs_setmode(sc); 111337785Smsmith error = 0; 111437785Smsmith break; 111537785Smsmith 111637785Smsmith case SIOCSIFMEDIA: 111737785Smsmith case SIOCGIFMEDIA: 111837785Smsmith error = ifmedia_ioctl(ifp, ifr, &sc->media, command); 111937785Smsmith break; 112037785Smsmith 112137785Smsmith default: 1122106937Ssam ether_ioctl(ifp, command, data); 1123106937Ssam break; 112437785Smsmith } 112537785Smsmith 112637785Smsmith (void) splx(s); 112737785Smsmith return error; 112837785Smsmith} 112937785Smsmith 113037785Smsmith/* 113137785Smsmith * Device timeout/watchdog routine. Entered if the device neglects to 113237785Smsmith * generate an interrupt after a transmit has been started on it. 113337785Smsmith */ 113437785Smsmithstatic void 113537785Smsmithcs_watchdog(struct ifnet *ifp) 113637785Smsmith{ 113758816Simp struct cs_softc *sc = ifp->if_softc; 113837785Smsmith 113937785Smsmith ifp->if_oerrors++; 114037785Smsmith log(LOG_ERR, CS_NAME"%d: device timeout\n", ifp->if_unit); 114137785Smsmith 114237785Smsmith /* Reset the interface */ 114337785Smsmith if (ifp->if_flags & IFF_UP) 114437785Smsmith cs_reset(sc); 114537785Smsmith else 114637785Smsmith cs_stop(sc); 114737785Smsmith} 114837785Smsmith 114937785Smsmithstatic int 115037785Smsmithcs_mediachange(struct ifnet *ifp) 115137785Smsmith{ 115237785Smsmith struct cs_softc *sc = ifp->if_softc; 115337785Smsmith struct ifmedia *ifm = &sc->media; 115437785Smsmith 115537785Smsmith if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 115637785Smsmith return EINVAL; 115737785Smsmith 115837785Smsmith return cs_mediaset(sc, ifm->ifm_media); 115937785Smsmith} 116037785Smsmith 116137785Smsmithstatic void 116237785Smsmithcs_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 116337785Smsmith{ 116437785Smsmith int line_status; 116537785Smsmith struct cs_softc *sc = ifp->if_softc; 116637785Smsmith 116737785Smsmith ifmr->ifm_active = IFM_ETHER; 116872940Simp line_status = cs_readreg(sc, PP_LineST); 116937785Smsmith if (line_status & TENBASET_ON) { 117037785Smsmith ifmr->ifm_active |= IFM_10_T; 117137785Smsmith if (sc->chip_type != CS8900) { 117272940Simp if (cs_readreg(sc, PP_AutoNegST) & FDX_ACTIVE) 117337785Smsmith ifmr->ifm_active |= IFM_FDX; 117472940Simp if (cs_readreg(sc, PP_AutoNegST) & HDX_ACTIVE) 117537785Smsmith ifmr->ifm_active |= IFM_HDX; 117637785Smsmith } 117737785Smsmith ifmr->ifm_status = IFM_AVALID; 117837785Smsmith if (line_status & LINK_OK) 117937785Smsmith ifmr->ifm_status |= IFM_ACTIVE; 118037785Smsmith } else { 118138305Smsmith if (line_status & AUI_ON) { 118272940Simp cs_writereg(sc, PP_SelfCTL, cs_readreg(sc, PP_SelfCTL) | 118372940Simp HCB1_ENBL); 118438305Smsmith if (((sc->adapter_cnf & A_CNF_DC_DC_POLARITY)!=0)^ 118572940Simp (cs_readreg(sc, PP_SelfCTL) & HCB1)) 118638305Smsmith ifmr->ifm_active |= IFM_10_2; 118738305Smsmith else 118838305Smsmith ifmr->ifm_active |= IFM_10_5; 118938305Smsmith } 119037785Smsmith } 119137785Smsmith} 119237785Smsmith 119337785Smsmithstatic int 119437785Smsmithcs_mediaset(struct cs_softc *sc, int media) 119537785Smsmith{ 119637785Smsmith int error; 119737785Smsmith 119837785Smsmith /* Stop the receiver & transmitter */ 119972940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) & 120072940Simp ~(SERIAL_RX_ON | SERIAL_TX_ON)); 120137785Smsmith 120237785Smsmith#ifdef CS_DEBUG 1203104252Sbrooks if_printf(&sc->arpcom.ac_if, "cs_setmedia(%x)\n", media); 120437785Smsmith#endif 120537785Smsmith 120637785Smsmith switch (IFM_SUBTYPE(media)) { 120737785Smsmith default: 120837785Smsmith case IFM_AUTO: 120938592Smsmith if ((error=enable_tp(sc))==0) 121038592Smsmith error = cs_duplex_auto(sc); 121143314Sdillon else if ((error=enable_bnc(sc)) != 0) 121238592Smsmith error = enable_aui(sc); 121337785Smsmith break; 121437785Smsmith case IFM_10_T: 121543314Sdillon if ((error=enable_tp(sc)) != 0) 121637785Smsmith break; 121737785Smsmith if (media & IFM_FDX) 121837785Smsmith cs_duplex_full(sc); 121937785Smsmith else if (media & IFM_HDX) 122037785Smsmith cs_duplex_half(sc); 122137785Smsmith else 122237785Smsmith error = cs_duplex_auto(sc); 122337785Smsmith break; 122437785Smsmith case IFM_10_2: 122537785Smsmith error = enable_bnc(sc); 122637785Smsmith break; 122737785Smsmith case IFM_10_5: 122837785Smsmith error = enable_aui(sc); 122937785Smsmith break; 123037785Smsmith } 123137785Smsmith 123237785Smsmith /* 123337785Smsmith * Turn the transmitter & receiver back on 123437785Smsmith */ 123572940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) | 123672940Simp SERIAL_RX_ON | SERIAL_TX_ON); 123737785Smsmith 123837785Smsmith return error; 123937785Smsmith} 1240