if_ex.c revision 112800
121769Sjkh/* 221769Sjkh * Copyright (c) 1996, Javier Mart�n Rueda (jmrueda@diatel.upm.es) 321769Sjkh * All rights reserved. 421769Sjkh * 521769Sjkh * Redistribution and use in source and binary forms, with or without 621769Sjkh * modification, are permitted provided that the following conditions 721769Sjkh * are met: 821769Sjkh * 1. Redistributions of source code must retain the above copyright 921769Sjkh * notice unmodified, this list of conditions, and the following 1021769Sjkh * disclaimer. 1121769Sjkh * 2. Redistributions in binary form must reproduce the above copyright 1221769Sjkh * notice, this list of conditions and the following disclaimer in the 1321769Sjkh * documentation and/or other materials provided with the distribution. 1421769Sjkh * 1521769Sjkh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1621769Sjkh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1721769Sjkh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1821769Sjkh * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1921769Sjkh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2021769Sjkh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2121769Sjkh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2221769Sjkh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2321769Sjkh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2421769Sjkh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2521769Sjkh * SUCH DAMAGE. 2629877Smsmith * 2750477Speter * $FreeBSD: head/sys/dev/ex/if_ex.c 112800 2003-03-29 15:34:26Z mdodd $ 2852286Smdodd * 2952286Smdodd * MAINTAINER: Matthew N. Dodd <winter@jurai.net> 3052286Smdodd * <mdodd@FreeBSD.org> 3121769Sjkh */ 3221769Sjkh 3321769Sjkh/* 3429877Smsmith * Intel EtherExpress Pro/10, Pro/10+ Ethernet driver 3521769Sjkh * 3621769Sjkh * Revision history: 3721769Sjkh * 38112731Smdodd * dd-mmm-yyyy: Multicast support ported from NetBSD's if_iy driver. 3921769Sjkh * 30-Oct-1996: first beta version. Inet and BPF supported, but no multicast. 4021769Sjkh */ 4121769Sjkh 4221769Sjkh#include <sys/param.h> 4321769Sjkh#include <sys/systm.h> 4452286Smdodd#include <sys/kernel.h> 4524204Sbde#include <sys/sockio.h> 4621769Sjkh#include <sys/mbuf.h> 4721769Sjkh#include <sys/socket.h> 4821769Sjkh 4952286Smdodd#include <sys/module.h> 5052286Smdodd#include <sys/bus.h> 5152286Smdodd 5252286Smdodd#include <machine/bus.h> 5352286Smdodd#include <machine/resource.h> 5452286Smdodd#include <sys/rman.h> 5552286Smdodd 5657987Smdodd#include <net/if.h> 5757987Smdodd#include <net/if_arp.h> 58112731Smdodd#include <net/if_dl.h> 5957987Smdodd#include <net/if_media.h> 6050026Smdodd#include <net/ethernet.h> 6157987Smdodd#include <net/bpf.h> 6221769Sjkh 6350026Smdodd#include <netinet/in.h> 6450026Smdodd#include <netinet/if_ether.h> 6550026Smdodd 6621769Sjkh 6752286Smdodd#include <isa/isavar.h> 6852286Smdodd#include <isa/pnpvar.h> 6952286Smdodd 7055953Speter#include <dev/ex/if_exreg.h> 7159816Smdodd#include <dev/ex/if_exvar.h> 7221769Sjkh 7321769Sjkh#ifdef EXDEBUG 7452286Smdodd# define Start_End 1 7552286Smdodd# define Rcvd_Pkts 2 7652286Smdodd# define Sent_Pkts 4 7752286Smdodd# define Status 8 7821769Sjkhstatic int debug_mask = 0; 7921769Sjkhstatic int exintr_count = 0; 8052286Smdodd# define DODEBUG(level, action) if (level & debug_mask) action 8121769Sjkh#else 8252286Smdodd# define DODEBUG(level, action) 8321769Sjkh#endif 8421769Sjkh 8559816Smdoddchar irq2eemap[] = 8652286Smdodd { -1, -1, 0, 1, -1, 2, -1, -1, -1, 0, 3, 4, -1, -1, -1, -1 }; 8759816Smdoddu_char ee2irqmap[] = 8852286Smdodd { 9, 3, 5, 10, 11, 0, 0, 0 }; 8959816Smdodd 9059816Smdoddchar plus_irq2eemap[] = 9152286Smdodd { -1, -1, -1, 0, 1, 2, -1, 3, -1, 4, 5, 6, 7, -1, -1, -1 }; 9259816Smdoddu_char plus_ee2irqmap[] = 9352286Smdodd { 3, 4, 5, 7, 9, 10, 11, 12 }; 9421769Sjkh 9552286Smdodd/* Network Interface Functions */ 9692739Salfredstatic void ex_init (void *); 9792739Salfredstatic void ex_start (struct ifnet *); 9892739Salfredstatic int ex_ioctl (struct ifnet *, u_long, caddr_t); 9992739Salfredstatic void ex_watchdog (struct ifnet *); 10021769Sjkh 10157987Smdodd/* ifmedia Functions */ 10292739Salfredstatic int ex_ifmedia_upd (struct ifnet *); 10392739Salfredstatic void ex_ifmedia_sts (struct ifnet *, struct ifmediareq *); 10457987Smdodd 10592739Salfredstatic int ex_get_media (u_int32_t iobase); 10659816Smdodd 10792739Salfredstatic void ex_reset (struct ex_softc *); 108112731Smdoddstatic void ex_setmulti (struct ex_softc *); 10952286Smdodd 11092739Salfredstatic void ex_tx_intr (struct ex_softc *); 11192739Salfredstatic void ex_rx_intr (struct ex_softc *); 11252286Smdodd 11359816Smdoddint 11459816Smdoddlook_for_card (u_int32_t iobase) 11521769Sjkh{ 11621769Sjkh int count1, count2; 11721769Sjkh 11821769Sjkh /* 11921769Sjkh * Check for the i82595 signature, and check that the round robin 12021769Sjkh * counter actually advances. 12121769Sjkh */ 12221769Sjkh if (((count1 = inb(iobase + ID_REG)) & Id_Mask) != Id_Sig) 12321769Sjkh return(0); 12421769Sjkh count2 = inb(iobase + ID_REG); 12521769Sjkh count2 = inb(iobase + ID_REG); 12621769Sjkh count2 = inb(iobase + ID_REG); 12752286Smdodd 12821769Sjkh return((count2 & Counter_bits) == ((count1 + 0xc0) & Counter_bits)); 12921769Sjkh} 13021769Sjkh 13159816Smdoddvoid 13252286Smdoddex_get_address (u_int32_t iobase, u_char *enaddr) 13321769Sjkh{ 13452286Smdodd u_int16_t eaddr_tmp; 13521769Sjkh 13652286Smdodd eaddr_tmp = eeprom_read(iobase, EE_Eth_Addr_Lo); 13752286Smdodd enaddr[5] = eaddr_tmp & 0xff; 13852286Smdodd enaddr[4] = eaddr_tmp >> 8; 13952286Smdodd eaddr_tmp = eeprom_read(iobase, EE_Eth_Addr_Mid); 14052286Smdodd enaddr[3] = eaddr_tmp & 0xff; 14152286Smdodd enaddr[2] = eaddr_tmp >> 8; 14252286Smdodd eaddr_tmp = eeprom_read(iobase, EE_Eth_Addr_Hi); 14352286Smdodd enaddr[1] = eaddr_tmp & 0xff; 14452286Smdodd enaddr[0] = eaddr_tmp >> 8; 14552286Smdodd 14652286Smdodd return; 14752286Smdodd} 14821769Sjkh 14959816Smdoddint 15052286Smdoddex_card_type (u_char *enaddr) 15152286Smdodd{ 15252286Smdodd if ((enaddr[0] == 0x00) && (enaddr[1] == 0xA0) && (enaddr[2] == 0xC9)) 15352286Smdodd return (CARD_TYPE_EX_10_PLUS); 15452286Smdodd 15552286Smdodd return (CARD_TYPE_EX_10); 15652286Smdodd} 15752286Smdodd 15855882Smdodd/* 15959816Smdodd * Caller is responsible for eventually calling 16059816Smdodd * ex_release_resources() on failure. 16155882Smdodd */ 16259816Smdoddint 16359816Smdoddex_alloc_resources (device_t dev) 16455882Smdodd{ 16559816Smdodd struct ex_softc * sc = device_get_softc(dev); 16659816Smdodd int error = 0; 16755882Smdodd 16859816Smdodd sc->ioport = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->ioport_rid, 16959816Smdodd 0, ~0, 1, RF_ACTIVE); 17059816Smdodd if (!sc->ioport) { 17159816Smdodd device_printf(dev, "No I/O space?!\n"); 17259816Smdodd error = ENOMEM; 17359816Smdodd goto bad; 17459816Smdodd } 17557989Smdodd 17659816Smdodd sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid, 17759816Smdodd 0, ~0, 1, RF_ACTIVE); 17855882Smdodd 17959816Smdodd if (!sc->irq) { 18059816Smdodd device_printf(dev, "No IRQ?!\n"); 18159816Smdodd error = ENOMEM; 18259816Smdodd goto bad; 18355882Smdodd } 18455882Smdodd 18559816Smdoddbad: 18659816Smdodd return (error); 18755882Smdodd} 18855882Smdodd 18959816Smdoddvoid 19059816Smdoddex_release_resources (device_t dev) 19152286Smdodd{ 19259816Smdodd struct ex_softc * sc = device_get_softc(dev); 19352286Smdodd 19459816Smdodd if (sc->ih) { 19559816Smdodd bus_teardown_intr(dev, sc->irq, sc->ih); 19659816Smdodd sc->ih = NULL; 19752286Smdodd } 19852286Smdodd 19959816Smdodd if (sc->ioport) { 20059816Smdodd bus_release_resource(dev, SYS_RES_IOPORT, 20159816Smdodd sc->ioport_rid, sc->ioport); 20259816Smdodd sc->ioport = NULL; 20352286Smdodd } 20452286Smdodd 20559816Smdodd if (sc->irq) { 20659816Smdodd bus_release_resource(dev, SYS_RES_IRQ, 20759816Smdodd sc->irq_rid, sc->irq); 20859816Smdodd sc->irq = NULL; 20957989Smdodd } 21057989Smdodd 21159816Smdodd return; 21252286Smdodd} 21352286Smdodd 21459816Smdoddint 21559816Smdoddex_attach(device_t dev) 21652286Smdodd{ 21752286Smdodd struct ex_softc * sc = device_get_softc(dev); 21852286Smdodd struct ifnet * ifp = &sc->arpcom.ac_if; 21957987Smdodd struct ifmedia * ifm; 22052286Smdodd int unit = device_get_unit(dev); 22157987Smdodd u_int16_t temp; 22252286Smdodd 22329877Smsmith /* work out which set of irq <-> internal tables to use */ 22452286Smdodd if (ex_card_type(sc->arpcom.ac_enaddr) == CARD_TYPE_EX_10_PLUS) { 22529877Smsmith sc->irq2ee = plus_irq2eemap; 22629877Smsmith sc->ee2irq = plus_ee2irqmap; 22752286Smdodd } else { 22829877Smsmith sc->irq2ee = irq2eemap; 22929877Smsmith sc->ee2irq = ee2irqmap; 23029877Smsmith } 23129877Smsmith 23221769Sjkh sc->mem_size = CARD_RAM_SIZE; /* XXX This should be read from the card itself. */ 23321769Sjkh 23421769Sjkh /* 23521769Sjkh * Initialize the ifnet structure. 23621769Sjkh */ 23721769Sjkh ifp->if_softc = sc; 23821769Sjkh ifp->if_unit = unit; 23921769Sjkh ifp->if_name = "ex"; 24055883Smdodd ifp->if_mtu = ETHERMTU; 241112731Smdodd ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST; 24221769Sjkh ifp->if_output = ether_output; 24321769Sjkh ifp->if_start = ex_start; 24421769Sjkh ifp->if_ioctl = ex_ioctl; 24521769Sjkh ifp->if_watchdog = ex_watchdog; 24655883Smdodd ifp->if_init = ex_init; 24755883Smdodd ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 24821769Sjkh 24957987Smdodd ifmedia_init(&sc->ifmedia, 0, ex_ifmedia_upd, ex_ifmedia_sts); 25057987Smdodd 25157987Smdodd temp = eeprom_read(sc->iobase, EE_W5); 25257987Smdodd if (temp & EE_W5_PORT_TPE) 25357987Smdodd ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL); 25457987Smdodd if (temp & EE_W5_PORT_BNC) 25557987Smdodd ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_2, 0, NULL); 25657987Smdodd if (temp & EE_W5_PORT_AUI) 25757987Smdodd ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_5, 0, NULL); 25857987Smdodd 259112764Smdodd ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_AUTO, 0, NULL); 260112764Smdodd ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_NONE, 0, NULL); 26157987Smdodd ifmedia_set(&sc->ifmedia, ex_get_media(sc->iobase)); 26257987Smdodd 26357987Smdodd ifm = &sc->ifmedia; 26457987Smdodd ifm->ifm_media = ifm->ifm_cur->ifm_media; 26557987Smdodd ex_ifmedia_upd(ifp); 26657987Smdodd 26721769Sjkh /* 26821769Sjkh * Attach the interface. 26921769Sjkh */ 270106937Ssam ether_ifattach(ifp, sc->arpcom.ac_enaddr); 27121769Sjkh 27255883Smdodd device_printf(sc->dev, "Ethernet address %6D\n", 27355883Smdodd sc->arpcom.ac_enaddr, ":"); 27452286Smdodd 27552286Smdodd return(0); 27621769Sjkh} 27721769Sjkh 278112800Smdoddint 279112800Smdoddex_detach (device_t dev) 280112800Smdodd{ 281112800Smdodd struct ex_softc *sc; 282112800Smdodd struct ifnet *ifp; 283112800Smdodd 284112800Smdodd sc = device_get_softc(dev); 285112800Smdodd ifp = &sc->arpcom.ac_if; 286112800Smdodd 287112800Smdodd ex_stop(sc); 288112800Smdodd 289112800Smdodd ifp->if_flags &= ~IFF_RUNNING; 290112800Smdodd ether_ifdetach(ifp); 291112800Smdodd 292112800Smdodd ex_release_resources(dev); 293112800Smdodd 294112800Smdodd return (0); 295112800Smdodd} 296112800Smdodd 29755883Smdoddstatic void 29855883Smdoddex_init(void *xsc) 29921769Sjkh{ 30052286Smdodd struct ex_softc * sc = (struct ex_softc *) xsc; 30152286Smdodd struct ifnet * ifp = &sc->arpcom.ac_if; 30252286Smdodd int s; 30352286Smdodd int i; 30452286Smdodd register int iobase = sc->iobase; 30552286Smdodd unsigned short temp_reg; 30621769Sjkh 30721769Sjkh DODEBUG(Start_End, printf("ex_init%d: start\n", ifp->if_unit);); 30821769Sjkh 30971999Sphk if (TAILQ_FIRST(&ifp->if_addrhead) == NULL) { 31052286Smdodd return; 31152286Smdodd } 31221769Sjkh s = splimp(); 31359816Smdodd ifp->if_timer = 0; 31421769Sjkh 31521769Sjkh /* 31621769Sjkh * Load the ethernet address into the card. 31721769Sjkh */ 31821769Sjkh outb(iobase + CMD_REG, Bank2_Sel); 31921769Sjkh temp_reg = inb(iobase + EEPROM_REG); 32052286Smdodd if (temp_reg & Trnoff_Enable) { 32152286Smdodd outb(iobase + EEPROM_REG, temp_reg & ~Trnoff_Enable); 32252286Smdodd } 32352286Smdodd for (i = 0; i < ETHER_ADDR_LEN; i++) { 32452286Smdodd outb(iobase + I_ADDR_REG0 + i, sc->arpcom.ac_enaddr[i]); 32552286Smdodd } 32621769Sjkh /* 32721769Sjkh * - Setup transmit chaining and discard bad received frames. 32821769Sjkh * - Match broadcast. 32921769Sjkh * - Clear test mode. 33021769Sjkh * - Set receiving mode. 33121769Sjkh * - Set IRQ number. 33221769Sjkh */ 33321769Sjkh outb(iobase + REG1, inb(iobase + REG1) | Tx_Chn_Int_Md | Tx_Chn_ErStp | Disc_Bad_Fr); 33421769Sjkh outb(iobase + REG2, inb(iobase + REG2) | No_SA_Ins | RX_CRC_InMem); 33526545Sgibbs outb(iobase + REG3, inb(iobase + REG3) & 0x3f /* XXX constants. */ ); 33621769Sjkh outb(iobase + CMD_REG, Bank1_Sel); 33729877Smsmith outb(iobase + INT_NO_REG, (inb(iobase + INT_NO_REG) & 0xf8) | sc->irq2ee[sc->irq_no]); 33821769Sjkh 33921769Sjkh /* 34021769Sjkh * Divide the available memory in the card into rcv and xmt buffers. 34121769Sjkh * By default, I use the first 3/4 of the memory for the rcv buffer, 34221769Sjkh * and the remaining 1/4 of the memory for the xmt buffer. 34321769Sjkh */ 34421769Sjkh sc->rx_mem_size = sc->mem_size * 3 / 4; 34521769Sjkh sc->tx_mem_size = sc->mem_size - sc->rx_mem_size; 34621769Sjkh sc->rx_lower_limit = 0x0000; 34721769Sjkh sc->rx_upper_limit = sc->rx_mem_size - 2; 34821769Sjkh sc->tx_lower_limit = sc->rx_mem_size; 34921769Sjkh sc->tx_upper_limit = sc->mem_size - 2; 35021769Sjkh outb(iobase + RCV_LOWER_LIMIT_REG, sc->rx_lower_limit >> 8); 35121769Sjkh outb(iobase + RCV_UPPER_LIMIT_REG, sc->rx_upper_limit >> 8); 35221769Sjkh outb(iobase + XMT_LOWER_LIMIT_REG, sc->tx_lower_limit >> 8); 35321769Sjkh outb(iobase + XMT_UPPER_LIMIT_REG, sc->tx_upper_limit >> 8); 35421769Sjkh 35521769Sjkh /* 35621769Sjkh * Enable receive and transmit interrupts, and clear any pending int. 35721769Sjkh */ 35821769Sjkh outb(iobase + REG1, inb(iobase + REG1) | TriST_INT); 35921769Sjkh outb(iobase + CMD_REG, Bank0_Sel); 36021769Sjkh outb(iobase + MASK_REG, All_Int & ~(Rx_Int | Tx_Int)); 36121769Sjkh outb(iobase + STATUS_REG, All_Int); 36221769Sjkh 36321769Sjkh /* 36421769Sjkh * Initialize receive and transmit ring buffers. 36521769Sjkh */ 36621769Sjkh outw(iobase + RCV_BAR, sc->rx_lower_limit); 36721769Sjkh sc->rx_head = sc->rx_lower_limit; 36826545Sgibbs outw(iobase + RCV_STOP_REG, sc->rx_upper_limit | 0xfe); 36921769Sjkh outw(iobase + XMT_BAR, sc->tx_lower_limit); 37021769Sjkh sc->tx_head = sc->tx_tail = sc->tx_lower_limit; 37121769Sjkh 37221769Sjkh ifp->if_flags |= IFF_RUNNING; 37321769Sjkh ifp->if_flags &= ~IFF_OACTIVE; 37421769Sjkh DODEBUG(Status, printf("OIDLE init\n");); 37521769Sjkh 376112731Smdodd ex_setmulti(sc); 377112731Smdodd 37821769Sjkh /* 37921769Sjkh * Final reset of the board, and enable operation. 38021769Sjkh */ 38121769Sjkh outb(iobase + CMD_REG, Sel_Reset_CMD); 38221769Sjkh DELAY(2); 38321769Sjkh outb(iobase + CMD_REG, Rcv_Enable_CMD); 38421769Sjkh 38521769Sjkh ex_start(ifp); 38621769Sjkh splx(s); 38721769Sjkh 38821769Sjkh DODEBUG(Start_End, printf("ex_init%d: finish\n", ifp->if_unit);); 38921769Sjkh} 39021769Sjkh 39121769Sjkh 39255883Smdoddstatic void 39352286Smdoddex_start(struct ifnet *ifp) 39421769Sjkh{ 39552286Smdodd struct ex_softc * sc = ifp->if_softc; 39652286Smdodd int iobase = sc->iobase; 39752286Smdodd int i, s, len, data_len, avail, dest, next; 39852286Smdodd unsigned char tmp16[2]; 39952286Smdodd struct mbuf * opkt; 40052286Smdodd struct mbuf * m; 40121769Sjkh 40252286Smdodd DODEBUG(Start_End, printf("ex_start%d: start\n", unit);); 40321769Sjkh 40452286Smdodd s = splimp(); 40521769Sjkh 40652286Smdodd /* 40752286Smdodd * Main loop: send outgoing packets to network card until there are no 40852286Smdodd * more packets left, or the card cannot accept any more yet. 40952286Smdodd */ 41052286Smdodd while (((opkt = ifp->if_snd.ifq_head) != NULL) && 41152286Smdodd !(ifp->if_flags & IFF_OACTIVE)) { 41221769Sjkh 41352286Smdodd /* 41452286Smdodd * Ensure there is enough free transmit buffer space for 41552286Smdodd * this packet, including its header. Note: the header 41652286Smdodd * cannot wrap around the end of the transmit buffer and 41752286Smdodd * must be kept together, so we allow space for twice the 41852286Smdodd * length of the header, just in case. 41952286Smdodd */ 42021769Sjkh 42152286Smdodd for (len = 0, m = opkt; m != NULL; m = m->m_next) { 42252286Smdodd len += m->m_len; 42352286Smdodd } 42452286Smdodd 42552286Smdodd data_len = len; 42652286Smdodd 42752286Smdodd DODEBUG(Sent_Pkts, printf("1. Sending packet with %d data bytes. ", data_len);); 42852286Smdodd 42952286Smdodd if (len & 1) { 43052286Smdodd len += XMT_HEADER_LEN + 1; 43152286Smdodd } else { 43252286Smdodd len += XMT_HEADER_LEN; 43352286Smdodd } 43452286Smdodd 43552286Smdodd if ((i = sc->tx_tail - sc->tx_head) >= 0) { 43652286Smdodd avail = sc->tx_mem_size - i; 43752286Smdodd } else { 43852286Smdodd avail = -i; 43952286Smdodd } 44052286Smdodd 44152286Smdodd DODEBUG(Sent_Pkts, printf("i=%d, avail=%d\n", i, avail);); 44252286Smdodd 44352286Smdodd if (avail >= len + XMT_HEADER_LEN) { 44452286Smdodd IF_DEQUEUE(&ifp->if_snd, opkt); 44552286Smdodd 44621769Sjkh#ifdef EX_PSA_INTR 44752286Smdodd /* 44852286Smdodd * Disable rx and tx interrupts, to avoid corruption 44952286Smdodd * of the host address register by interrupt service 45052286Smdodd * routines. 45152286Smdodd * XXX Is this necessary with splimp() enabled? 45252286Smdodd */ 45352286Smdodd outb(iobase + MASK_REG, All_Int); 45421769Sjkh#endif 45521769Sjkh 45652286Smdodd /* 45752286Smdodd * Compute the start and end addresses of this 45852286Smdodd * frame in the tx buffer. 45952286Smdodd */ 46052286Smdodd dest = sc->tx_tail; 46152286Smdodd next = dest + len; 46221769Sjkh 46352286Smdodd if (next > sc->tx_upper_limit) { 46452286Smdodd if ((sc->tx_upper_limit + 2 - sc->tx_tail) <= 46552286Smdodd XMT_HEADER_LEN) { 46652286Smdodd dest = sc->tx_lower_limit; 46752286Smdodd next = dest + len; 46855881Smdodd } else { 46955881Smdodd next = sc->tx_lower_limit + 47055881Smdodd next - sc->tx_upper_limit - 2; 47152286Smdodd } 47252286Smdodd } 47321769Sjkh 47452286Smdodd /* 47552286Smdodd * Build the packet frame in the card's ring buffer. 47652286Smdodd */ 47752286Smdodd DODEBUG(Sent_Pkts, printf("2. dest=%d, next=%d. ", dest, next);); 47821769Sjkh 47952286Smdodd outw(iobase + HOST_ADDR_REG, dest); 48052286Smdodd outw(iobase + IO_PORT_REG, Transmit_CMD); 48152286Smdodd outw(iobase + IO_PORT_REG, 0); 48252286Smdodd outw(iobase + IO_PORT_REG, next); 48352286Smdodd outw(iobase + IO_PORT_REG, data_len); 48421769Sjkh 48552286Smdodd /* 48652286Smdodd * Output the packet data to the card. Ensure all 48752286Smdodd * transfers are 16-bit wide, even if individual 48852286Smdodd * mbufs have odd length. 48952286Smdodd */ 49021769Sjkh 49152286Smdodd for (m = opkt, i = 0; m != NULL; m = m->m_next) { 49252286Smdodd DODEBUG(Sent_Pkts, printf("[%d]", m->m_len);); 49352286Smdodd if (i) { 49452286Smdodd tmp16[1] = *(mtod(m, caddr_t)); 49552286Smdodd outsw(iobase + IO_PORT_REG, tmp16, 1); 49652286Smdodd } 49752286Smdodd outsw(iobase + IO_PORT_REG, 49852286Smdodd mtod(m, caddr_t) + i, (m->m_len - i) / 2); 49952286Smdodd 50052286Smdodd if ((i = (m->m_len - i) & 1) != 0) { 50152286Smdodd tmp16[0] = *(mtod(m, caddr_t) + 50252286Smdodd m->m_len - 1); 50352286Smdodd } 50452286Smdodd } 50552286Smdodd if (i) { 50652286Smdodd outsw(iobase + IO_PORT_REG, tmp16, 1); 50755881Smdodd } 50852286Smdodd 50955881Smdodd /* 51055881Smdodd * If there were other frames chained, update the 51155881Smdodd * chain in the last one. 51255881Smdodd */ 51355881Smdodd if (sc->tx_head != sc->tx_tail) { 51455881Smdodd if (sc->tx_tail != dest) { 51552286Smdodd outw(iobase + HOST_ADDR_REG, 51655881Smdodd sc->tx_last + XMT_Chain_Point); 51755881Smdodd outw(iobase + IO_PORT_REG, dest); 51852286Smdodd } 51955881Smdodd outw(iobase + HOST_ADDR_REG, 52055881Smdodd sc->tx_last + XMT_Byte_Count); 52155881Smdodd i = inw(iobase + IO_PORT_REG); 52255881Smdodd outw(iobase + HOST_ADDR_REG, 52355881Smdodd sc->tx_last + XMT_Byte_Count); 52455881Smdodd outw(iobase + IO_PORT_REG, i | Ch_bit); 52555881Smdodd } 52655881Smdodd 52755881Smdodd /* 52855881Smdodd * Resume normal operation of the card: 52955881Smdodd * - Make a dummy read to flush the DRAM write 53055881Smdodd * pipeline. 53155881Smdodd * - Enable receive and transmit interrupts. 53255881Smdodd * - Send Transmit or Resume_XMT command, as 53355881Smdodd * appropriate. 53455881Smdodd */ 53555881Smdodd inw(iobase + IO_PORT_REG); 53621769Sjkh#ifdef EX_PSA_INTR 53755881Smdodd outb(iobase + MASK_REG, All_Int & ~(Rx_Int | Tx_Int)); 53821769Sjkh#endif 53955881Smdodd if (sc->tx_head == sc->tx_tail) { 54055881Smdodd outw(iobase + XMT_BAR, dest); 54155881Smdodd outb(iobase + CMD_REG, Transmit_CMD); 54255881Smdodd sc->tx_head = dest; 54355881Smdodd DODEBUG(Sent_Pkts, printf("Transmit\n");); 54452286Smdodd } else { 54555881Smdodd outb(iobase + CMD_REG, Resume_XMT_List_CMD); 54655881Smdodd DODEBUG(Sent_Pkts, printf("Resume\n");); 54752286Smdodd } 54855881Smdodd 54955881Smdodd sc->tx_last = dest; 55055881Smdodd sc->tx_tail = next; 55155881Smdodd 552106937Ssam BPF_MTAP(ifp, opkt); 55355881Smdodd 55455881Smdodd ifp->if_timer = 2; 55555881Smdodd ifp->if_opackets++; 55655881Smdodd m_freem(opkt); 55755881Smdodd } else { 55855881Smdodd ifp->if_flags |= IFF_OACTIVE; 55955881Smdodd DODEBUG(Status, printf("OACTIVE start\n");); 56052286Smdodd } 56121769Sjkh } 56221769Sjkh 56352286Smdodd splx(s); 56421769Sjkh 56552286Smdodd DODEBUG(Start_End, printf("ex_start%d: finish\n", unit);); 56621769Sjkh} 56721769Sjkh 56866440Simpvoid 56952286Smdoddex_stop(struct ex_softc *sc) 57021769Sjkh{ 57152286Smdodd int iobase = sc->iobase; 57221769Sjkh 57352286Smdodd DODEBUG(Start_End, printf("ex_stop%d: start\n", unit);); 57421769Sjkh 57552286Smdodd /* 57652286Smdodd * Disable card operation: 57752286Smdodd * - Disable the interrupt line. 57852286Smdodd * - Flush transmission and disable reception. 57952286Smdodd * - Mask and clear all interrupts. 58052286Smdodd * - Reset the 82595. 58152286Smdodd */ 58252286Smdodd outb(iobase + CMD_REG, Bank1_Sel); 58352286Smdodd outb(iobase + REG1, inb(iobase + REG1) & ~TriST_INT); 58452286Smdodd outb(iobase + CMD_REG, Bank0_Sel); 58552286Smdodd outb(iobase + CMD_REG, Rcv_Stop); 58652286Smdodd sc->tx_head = sc->tx_tail = sc->tx_lower_limit; 58752286Smdodd sc->tx_last = 0; /* XXX I think these two lines are not necessary, because ex_init will always be called again to reinit the interface. */ 58852286Smdodd outb(iobase + MASK_REG, All_Int); 58952286Smdodd outb(iobase + STATUS_REG, All_Int); 59052286Smdodd outb(iobase + CMD_REG, Reset_CMD); 59152286Smdodd DELAY(200); 59221769Sjkh 59352286Smdodd DODEBUG(Start_End, printf("ex_stop%d: finish\n", unit);); 59452286Smdodd 59552286Smdodd return; 59621769Sjkh} 59721769Sjkh 59859816Smdoddvoid 59955883Smdoddex_intr(void *arg) 60021769Sjkh{ 60152286Smdodd struct ex_softc * sc = (struct ex_softc *)arg; 60252286Smdodd struct ifnet * ifp = &sc->arpcom.ac_if; 60352286Smdodd int iobase = sc->iobase; 60452286Smdodd int int_status, send_pkts; 60521769Sjkh 60655883Smdodd DODEBUG(Start_End, printf("ex_intr%d: start\n", unit);); 60721769Sjkh 60821769Sjkh#ifdef EXDEBUG 60921769Sjkh if (++exintr_count != 1) 61021769Sjkh printf("WARNING: nested interrupt (%d). Mail the author.\n", exintr_count); 61121769Sjkh#endif 61221769Sjkh 61352286Smdodd send_pkts = 0; 61452286Smdodd while ((int_status = inb(iobase + STATUS_REG)) & (Tx_Int | Rx_Int)) { 61552286Smdodd if (int_status & Rx_Int) { 61652286Smdodd outb(iobase + STATUS_REG, Rx_Int); 61721769Sjkh 61852286Smdodd ex_rx_intr(sc); 61952286Smdodd } else if (int_status & Tx_Int) { 62052286Smdodd outb(iobase + STATUS_REG, Tx_Int); 62121769Sjkh 62252286Smdodd ex_tx_intr(sc); 62352286Smdodd send_pkts = 1; 62452286Smdodd } 62552286Smdodd } 62621769Sjkh 62752286Smdodd /* 62852286Smdodd * If any packet has been transmitted, and there are queued packets to 62952286Smdodd * be sent, attempt to send more packets to the network card. 63052286Smdodd */ 63152286Smdodd 63252286Smdodd if (send_pkts && (ifp->if_snd.ifq_head != NULL)) { 63352286Smdodd ex_start(ifp); 63452286Smdodd } 63552286Smdodd 63621769Sjkh#ifdef EXDEBUG 63721769Sjkh exintr_count--; 63821769Sjkh#endif 63921769Sjkh 64055883Smdodd DODEBUG(Start_End, printf("ex_intr%d: finish\n", unit);); 64152286Smdodd 64252286Smdodd return; 64321769Sjkh} 64421769Sjkh 64552286Smdoddstatic void 64652286Smdoddex_tx_intr(struct ex_softc *sc) 64721769Sjkh{ 64852286Smdodd struct ifnet * ifp = &sc->arpcom.ac_if; 64952286Smdodd int iobase = sc->iobase; 65052286Smdodd int tx_status; 65121769Sjkh 65252286Smdodd DODEBUG(Start_End, printf("ex_tx_intr%d: start\n", unit);); 65321769Sjkh 65452286Smdodd /* 65552286Smdodd * - Cancel the watchdog. 65652286Smdodd * For all packets transmitted since last transmit interrupt: 65752286Smdodd * - Advance chain pointer to next queued packet. 65852286Smdodd * - Update statistics. 65952286Smdodd */ 66021769Sjkh 66152286Smdodd ifp->if_timer = 0; 66221769Sjkh 66352286Smdodd while (sc->tx_head != sc->tx_tail) { 66452286Smdodd outw(iobase + HOST_ADDR_REG, sc->tx_head); 66521769Sjkh 66652286Smdodd if (! inw(iobase + IO_PORT_REG) & Done_bit) 66752286Smdodd break; 66821769Sjkh 66952286Smdodd tx_status = inw(iobase + IO_PORT_REG); 67052286Smdodd sc->tx_head = inw(iobase + IO_PORT_REG); 67152286Smdodd 67252286Smdodd if (tx_status & TX_OK_bit) { 67352286Smdodd ifp->if_opackets++; 67452286Smdodd } else { 67552286Smdodd ifp->if_oerrors++; 67652286Smdodd } 67752286Smdodd 67852286Smdodd ifp->if_collisions += tx_status & No_Collisions_bits; 67952286Smdodd } 68052286Smdodd 68152286Smdodd /* 68252286Smdodd * The card should be ready to accept more packets now. 68352286Smdodd */ 68452286Smdodd 68552286Smdodd ifp->if_flags &= ~IFF_OACTIVE; 68652286Smdodd 68752286Smdodd DODEBUG(Status, printf("OIDLE tx_intr\n");); 68852286Smdodd DODEBUG(Start_End, printf("ex_tx_intr%d: finish\n", unit);); 68952286Smdodd 69052286Smdodd return; 69121769Sjkh} 69221769Sjkh 69352286Smdoddstatic void 69452286Smdoddex_rx_intr(struct ex_softc *sc) 69521769Sjkh{ 69652286Smdodd struct ifnet * ifp = &sc->arpcom.ac_if; 69752286Smdodd int iobase = sc->iobase; 69852286Smdodd int rx_status; 69952286Smdodd int pkt_len; 70052286Smdodd int QQQ; 70152286Smdodd struct mbuf * m; 70252286Smdodd struct mbuf * ipkt; 70352286Smdodd struct ether_header * eh; 70421769Sjkh 70552286Smdodd DODEBUG(Start_End, printf("ex_rx_intr%d: start\n", unit);); 70621769Sjkh 70752286Smdodd /* 70852286Smdodd * For all packets received since last receive interrupt: 70952286Smdodd * - If packet ok, read it into a new mbuf and queue it to interface, 71052286Smdodd * updating statistics. 71152286Smdodd * - If packet bad, just discard it, and update statistics. 71252286Smdodd * Finally, advance receive stop limit in card's memory to new location. 71352286Smdodd */ 71421769Sjkh 71552286Smdodd outw(iobase + HOST_ADDR_REG, sc->rx_head); 71621769Sjkh 71752286Smdodd while (inw(iobase + IO_PORT_REG) == RCV_Done) { 71852286Smdodd 71952286Smdodd rx_status = inw(iobase + IO_PORT_REG); 72052286Smdodd sc->rx_head = inw(iobase + IO_PORT_REG); 72152286Smdodd QQQ = pkt_len = inw(iobase + IO_PORT_REG); 72252286Smdodd 72352286Smdodd if (rx_status & RCV_OK_bit) { 724111119Simp MGETHDR(m, M_DONTWAIT, MT_DATA); 72552286Smdodd ipkt = m; 72652286Smdodd if (ipkt == NULL) { 72752286Smdodd ifp->if_iqdrops++; 72852286Smdodd } else { 72952286Smdodd ipkt->m_pkthdr.rcvif = ifp; 73052286Smdodd ipkt->m_pkthdr.len = pkt_len; 73152286Smdodd ipkt->m_len = MHLEN; 73252286Smdodd 73352286Smdodd while (pkt_len > 0) { 73452286Smdodd if (pkt_len > MINCLSIZE) { 735111119Simp MCLGET(m, M_DONTWAIT); 73652286Smdodd if (m->m_flags & M_EXT) { 73752286Smdodd m->m_len = MCLBYTES; 73852286Smdodd } else { 73952286Smdodd m_freem(ipkt); 74052286Smdodd ifp->if_iqdrops++; 74152286Smdodd goto rx_another; 74252286Smdodd } 74352286Smdodd } 74452286Smdodd m->m_len = min(m->m_len, pkt_len); 74552286Smdodd 74621769Sjkh /* 74721769Sjkh * NOTE: I'm assuming that all mbufs allocated are of even length, 74821769Sjkh * except for the last one in an odd-length packet. 74921769Sjkh */ 75052286Smdodd 75152286Smdodd insw(iobase + IO_PORT_REG, 75252286Smdodd mtod(m, caddr_t), m->m_len / 2); 75352286Smdodd 75452286Smdodd if (m->m_len & 1) { 75552286Smdodd *(mtod(m, caddr_t) + m->m_len - 1) = inb(iobase + IO_PORT_REG); 75652286Smdodd } 75752286Smdodd pkt_len -= m->m_len; 75852286Smdodd 75952286Smdodd if (pkt_len > 0) { 760111119Simp MGET(m->m_next, M_DONTWAIT, MT_DATA); 76152286Smdodd if (m->m_next == NULL) { 76252286Smdodd m_freem(ipkt); 76352286Smdodd ifp->if_iqdrops++; 76452286Smdodd goto rx_another; 76552286Smdodd } 76652286Smdodd m = m->m_next; 76752286Smdodd m->m_len = MLEN; 76852286Smdodd } 76952286Smdodd } 77052286Smdodd eh = mtod(ipkt, struct ether_header *); 77152286Smdodd#ifdef EXDEBUG 77252286Smdodd if (debug_mask & Rcvd_Pkts) { 77352286Smdodd if ((eh->ether_dhost[5] != 0xff) || (eh->ether_dhost[0] != 0xff)) { 77452286Smdodd printf("Receive packet with %d data bytes: %6D -> ", QQQ, eh->ether_shost, ":"); 77552286Smdodd printf("%6D\n", eh->ether_dhost, ":"); 77652286Smdodd } /* QQQ */ 77721769Sjkh } 77821769Sjkh#endif 779106937Ssam (*ifp->if_input)(ifp, ipkt); 78052286Smdodd ifp->if_ipackets++; 78152286Smdodd } 78252286Smdodd } else { 78352286Smdodd ifp->if_ierrors++; 78421769Sjkh } 78552286Smdodd outw(iobase + HOST_ADDR_REG, sc->rx_head); 78652286Smdoddrx_another: ; 78721769Sjkh } 78821769Sjkh 78952286Smdodd if (sc->rx_head < sc->rx_lower_limit + 2) 79052286Smdodd outw(iobase + RCV_STOP_REG, sc->rx_upper_limit); 79152286Smdodd else 79252286Smdodd outw(iobase + RCV_STOP_REG, sc->rx_head - 2); 79352286Smdodd 79452286Smdodd DODEBUG(Start_End, printf("ex_rx_intr%d: finish\n", unit);); 79552286Smdodd 79652286Smdodd return; 79721769Sjkh} 79821769Sjkh 79921769Sjkh 80055883Smdoddstatic int 80155883Smdoddex_ioctl(register struct ifnet *ifp, u_long cmd, caddr_t data) 80221769Sjkh{ 80352286Smdodd struct ex_softc * sc = ifp->if_softc; 80457987Smdodd struct ifreq * ifr = (struct ifreq *)data; 80552286Smdodd int s; 80652286Smdodd int error = 0; 80721769Sjkh 80852286Smdodd DODEBUG(Start_End, printf("ex_ioctl%d: start ", ifp->if_unit);); 80921769Sjkh 81052286Smdodd s = splimp(); 81121769Sjkh 81252286Smdodd switch(cmd) { 81352286Smdodd case SIOCSIFADDR: 81452286Smdodd case SIOCGIFADDR: 81552286Smdodd case SIOCSIFMTU: 81652286Smdodd error = ether_ioctl(ifp, cmd, data); 81752286Smdodd break; 81821769Sjkh 81952286Smdodd case SIOCSIFFLAGS: 82052286Smdodd DODEBUG(Start_End, printf("SIOCSIFFLAGS");); 82152286Smdodd if ((ifp->if_flags & IFF_UP) == 0 && 82252286Smdodd (ifp->if_flags & IFF_RUNNING)) { 82352286Smdodd 82452286Smdodd ifp->if_flags &= ~IFF_RUNNING; 82552286Smdodd ex_stop(sc); 82652286Smdodd } else { 82752286Smdodd ex_init(sc); 82852286Smdodd } 82952286Smdodd break; 83021769Sjkh#ifdef NODEF 83152286Smdodd case SIOCGHWADDR: 83252286Smdodd DODEBUG(Start_End, printf("SIOCGHWADDR");); 83352286Smdodd bcopy((caddr_t)sc->sc_addr, (caddr_t)&ifr->ifr_data, 83452286Smdodd sizeof(sc->sc_addr)); 83552286Smdodd break; 83621769Sjkh#endif 83752286Smdodd case SIOCADDMULTI: 83852286Smdodd case SIOCDELMULTI: 839112731Smdodd ex_init(sc); 840112731Smdodd error = 0; 84152286Smdodd break; 84257987Smdodd case SIOCSIFMEDIA: 84357987Smdodd case SIOCGIFMEDIA: 84457987Smdodd error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, cmd); 84557987Smdodd break; 84652286Smdodd default: 84752286Smdodd DODEBUG(Start_End, printf("unknown");); 84852286Smdodd error = EINVAL; 84952286Smdodd } 85021769Sjkh 85152286Smdodd splx(s); 85221769Sjkh 85352286Smdodd DODEBUG(Start_End, printf("\nex_ioctl%d: finish\n", ifp->if_unit);); 85452286Smdodd 85552286Smdodd return(error); 85621769Sjkh} 85721769Sjkh 858112731Smdoddstatic void 859112731Smdoddex_setmulti(struct ex_softc *sc) 860112731Smdodd{ 861112731Smdodd struct ifnet *ifp; 862112731Smdodd struct ifmultiaddr *maddr; 863112731Smdodd u_int16_t *addr; 864112731Smdodd int iobase = sc->iobase; 865112731Smdodd int count; 866112731Smdodd int timeout, status; 867112731Smdodd 868112731Smdodd ifp = &sc->arpcom.ac_if; 86921769Sjkh 870112731Smdodd count = 0; 871112731Smdodd TAILQ_FOREACH(maddr, &ifp->if_multiaddrs, ifma_link) { 872112731Smdodd if (maddr->ifma_addr->sa_family != AF_LINK) 873112731Smdodd continue; 874112731Smdodd count++; 875112731Smdodd } 876112731Smdodd 877112731Smdodd if ((ifp->if_flags & IFF_PROMISC) || (ifp->if_flags & IFF_ALLMULTI) 878112731Smdodd || count > 63) { 879112731Smdodd /* Interface is in promiscuous mode or there are too many 880112731Smdodd * multicast addresses for the card to handle */ 881112731Smdodd outb(iobase + CMD_REG, Bank2_Sel); 882112731Smdodd outb(iobase + REG2, inb(iobase + REG2) | Promisc_Mode); 883112731Smdodd outb(iobase + REG3, inb(iobase + REG3)); 884112731Smdodd outb(iobase + CMD_REG, Bank0_Sel); 885112731Smdodd } 886112731Smdodd else if ((ifp->if_flags & IFF_MULTICAST) && (count > 0)) { 887112731Smdodd /* Program multicast addresses plus our MAC address 888112731Smdodd * into the filter */ 889112731Smdodd outb(iobase + CMD_REG, Bank2_Sel); 890112731Smdodd outb(iobase + REG2, inb(iobase + REG2) | Multi_IA); 891112731Smdodd outb(iobase + REG3, inb(iobase + REG3)); 892112731Smdodd outb(iobase + CMD_REG, Bank0_Sel); 893112731Smdodd 894112731Smdodd /* Borrow space from TX buffer; this should be safe 895112731Smdodd * as this is only called from ex_init */ 896112731Smdodd 897112731Smdodd outw(iobase + HOST_ADDR_REG, sc->tx_lower_limit); 898112731Smdodd outw(iobase + IO_PORT_REG, MC_Setup_CMD); 899112731Smdodd outw(iobase + IO_PORT_REG, 0); 900112731Smdodd outw(iobase + IO_PORT_REG, 0); 901112731Smdodd outw(iobase + IO_PORT_REG, (count + 1) * 6); 902112731Smdodd 903112731Smdodd TAILQ_FOREACH(maddr, &ifp->if_multiaddrs, ifma_link) { 904112731Smdodd if (maddr->ifma_addr->sa_family != AF_LINK) 905112731Smdodd continue; 906112731Smdodd 907112731Smdodd addr = (u_int16_t*)LLADDR((struct sockaddr_dl *) 908112731Smdodd maddr->ifma_addr); 909112731Smdodd outw(iobase + IO_PORT_REG, *addr++); 910112731Smdodd outw(iobase + IO_PORT_REG, *addr++); 911112731Smdodd outw(iobase + IO_PORT_REG, *addr++); 912112731Smdodd } 913112731Smdodd 914112731Smdodd /* Program our MAC address as well */ 915112731Smdodd /* XXX: Is this necessary? The Linux driver does this 916112731Smdodd * but the NetBSD driver does not */ 917112731Smdodd addr = (u_int16_t*)(&sc->arpcom.ac_enaddr); 918112731Smdodd outw(iobase + IO_PORT_REG, *addr++); 919112731Smdodd outw(iobase + IO_PORT_REG, *addr++); 920112731Smdodd outw(iobase + IO_PORT_REG, *addr++); 921112731Smdodd 922112731Smdodd inw(iobase + IO_PORT_REG); 923112731Smdodd outw(iobase + XMT_BAR, sc->tx_lower_limit); 924112731Smdodd outb(iobase + CMD_REG, MC_Setup_CMD); 925112731Smdodd 926112731Smdodd sc->tx_head = sc->tx_lower_limit; 927112731Smdodd sc->tx_tail = sc->tx_head + XMT_HEADER_LEN + (count + 1) * 6; 928112731Smdodd 929112731Smdodd for (timeout=0; timeout<100; timeout++) { 930112731Smdodd DELAY(2); 931112731Smdodd if ((inb(iobase + STATUS_REG) & Exec_Int) == 0) 932112731Smdodd continue; 933112731Smdodd 934112731Smdodd status = inb(iobase + CMD_REG); 935112731Smdodd outb(iobase + STATUS_REG, Exec_Int); 936112731Smdodd break; 937112731Smdodd } 938112731Smdodd 939112731Smdodd sc->tx_head = sc->tx_tail; 940112731Smdodd } 941112731Smdodd else 942112731Smdodd { 943112731Smdodd /* No multicast or promiscuous mode */ 944112731Smdodd outb(iobase + CMD_REG, Bank2_Sel); 945112731Smdodd outb(iobase + REG2, inb(iobase + REG2) & 0xDE); 946112731Smdodd /* ~(Multi_IA | Promisc_Mode) */ 947112731Smdodd outb(iobase + REG3, inb(iobase + REG3)); 948112731Smdodd outb(iobase + CMD_REG, Bank0_Sel); 949112731Smdodd } 950112731Smdodd} 951112731Smdodd 95252286Smdoddstatic void 95352286Smdoddex_reset(struct ex_softc *sc) 95421769Sjkh{ 95552286Smdodd int s; 95621769Sjkh 95752286Smdodd DODEBUG(Start_End, printf("ex_reset%d: start\n", unit);); 95821769Sjkh 95952286Smdodd s = splimp(); 96021769Sjkh 96152286Smdodd ex_stop(sc); 96252286Smdodd ex_init(sc); 96321769Sjkh 96452286Smdodd splx(s); 96521769Sjkh 96652286Smdodd DODEBUG(Start_End, printf("ex_reset%d: finish\n", unit);); 96752286Smdodd 96852286Smdodd return; 96921769Sjkh} 97021769Sjkh 97152286Smdoddstatic void 97252286Smdoddex_watchdog(struct ifnet *ifp) 97321769Sjkh{ 97452286Smdodd struct ex_softc * sc = ifp->if_softc; 97521769Sjkh 97652286Smdodd DODEBUG(Start_End, printf("ex_watchdog%d: start\n", ifp->if_unit);); 97721769Sjkh 97852286Smdodd ifp->if_flags &= ~IFF_OACTIVE; 97921769Sjkh 98052286Smdodd DODEBUG(Status, printf("OIDLE watchdog\n");); 98152286Smdodd 98252286Smdodd ifp->if_oerrors++; 98352286Smdodd ex_reset(sc); 98452286Smdodd ex_start(ifp); 98552286Smdodd 98652286Smdodd DODEBUG(Start_End, printf("ex_watchdog%d: finish\n", ifp->if_unit);); 98752286Smdodd 98852286Smdodd return; 98921769Sjkh} 99021769Sjkh 99157987Smdoddstatic int 99259816Smdoddex_get_media (u_int32_t iobase) 99359816Smdodd{ 994112764Smdodd int current; 995112764Smdodd int media; 99659816Smdodd 997112764Smdodd media = eeprom_read(iobase, EE_W5); 998112764Smdodd 99959816Smdodd outb(iobase + CMD_REG, Bank2_Sel); 1000112764Smdodd current = inb(iobase + REG3); 100159816Smdodd outb(iobase + CMD_REG, Bank0_Sel); 100259816Smdodd 1003112764Smdodd if ((current & TPE_bit) && (media & EE_W5_PORT_TPE)) 100459816Smdodd return(IFM_ETHER|IFM_10_T); 1005112764Smdodd if ((current & BNC_bit) && (media & EE_W5_PORT_BNC)) 100659816Smdodd return(IFM_ETHER|IFM_10_2); 100759816Smdodd 1008112764Smdodd if (media & EE_W5_PORT_AUI) 1009112764Smdodd return (IFM_ETHER|IFM_10_5); 1010112764Smdodd 1011112764Smdodd return (IFM_ETHER|IFM_AUTO); 101259816Smdodd} 101359816Smdodd 101459816Smdoddstatic int 101557987Smdoddex_ifmedia_upd (ifp) 101657987Smdodd struct ifnet * ifp; 101757987Smdodd{ 1018112764Smdodd struct ex_softc * sc = ifp->if_softc; 101921769Sjkh 1020112764Smdodd if (IFM_TYPE(sc->ifmedia.ifm_media) != IFM_ETHER) 1021112764Smdodd return EINVAL; 1022112764Smdodd 102357987Smdodd return (0); 102457987Smdodd} 102557987Smdodd 102657987Smdoddstatic void 102757987Smdoddex_ifmedia_sts(ifp, ifmr) 102857987Smdodd struct ifnet * ifp; 102957987Smdodd struct ifmediareq * ifmr; 103057987Smdodd{ 103157987Smdodd struct ex_softc * sc = ifp->if_softc; 103257987Smdodd 103357987Smdodd ifmr->ifm_active = ex_get_media(sc->iobase); 1034112764Smdodd ifmr->ifm_status = IFM_AVALID | IFM_ACTIVE; 103557987Smdodd 103657987Smdodd return; 103757987Smdodd} 103857987Smdodd 103959816Smdoddu_short 104059816Smdoddeeprom_read(u_int32_t iobase, int location) 104121769Sjkh{ 104221769Sjkh int i; 104321769Sjkh u_short data = 0; 104421769Sjkh int ee_addr; 104521769Sjkh int read_cmd = location | EE_READ_CMD; 104621769Sjkh short ctrl_val = EECS; 104721769Sjkh 104821769Sjkh ee_addr = iobase + EEPROM_REG; 104921769Sjkh outb(iobase + CMD_REG, Bank2_Sel); 105021769Sjkh outb(ee_addr, EECS); 105121769Sjkh for (i = 8; i >= 0; i--) { 105221769Sjkh short outval = (read_cmd & (1 << i)) ? ctrl_val | EEDI : ctrl_val; 105321769Sjkh outb(ee_addr, outval); 105421769Sjkh outb(ee_addr, outval | EESK); 105521769Sjkh DELAY(3); 105621769Sjkh outb(ee_addr, outval); 105721769Sjkh DELAY(2); 105821769Sjkh } 105921769Sjkh outb(ee_addr, ctrl_val); 106021769Sjkh 106121769Sjkh for (i = 16; i > 0; i--) { 106221769Sjkh outb(ee_addr, ctrl_val | EESK); 106321769Sjkh DELAY(3); 106421769Sjkh data = (data << 1) | ((inb(ee_addr) & EEDO) ? 1 : 0); 106521769Sjkh outb(ee_addr, ctrl_val); 106621769Sjkh DELAY(2); 106721769Sjkh } 106821769Sjkh 106921769Sjkh ctrl_val &= ~EECS; 107021769Sjkh outb(ee_addr, ctrl_val | EESK); 107121769Sjkh DELAY(3); 107221769Sjkh outb(ee_addr, ctrl_val); 107321769Sjkh DELAY(2); 107421769Sjkh outb(iobase + CMD_REG, Bank0_Sel); 107521769Sjkh return(data); 107621769Sjkh} 1077