if_my.c revision 106937
193746Sjulian/* 293746Sjulian * Copyright (c) 2002 Myson Technology Inc. 393746Sjulian * All rights reserved. 493746Sjulian * 593746Sjulian * Redistribution and use in source and binary forms, with or without 693746Sjulian * modification, are permitted provided that the following conditions 793746Sjulian * are met: 893746Sjulian * 1. Redistributions of source code must retain the above copyright 993746Sjulian * notice, this list of conditions, and the following disclaimer, 1093746Sjulian * without modification, immediately at the beginning of the file. 1193746Sjulian * 2. The name of the author may not be used to endorse or promote products 1293746Sjulian * derived from this software without specific prior written permission. 1393746Sjulian * 1493746Sjulian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1593746Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1693746Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1793746Sjulian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 1893746Sjulian * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1993746Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2093746Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2193746Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2293746Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2393746Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2493746Sjulian * SUCH DAMAGE. 2593746Sjulian * 2693746Sjulian * Written by: yen_cw@myson.com.tw available at: http://www.myson.com.tw/ 2793746Sjulian * 2893746Sjulian * $FreeBSD: head/sys/dev/my/if_my.c 106937 2002-11-14 23:54:55Z sam $ 2993746Sjulian * 3093746Sjulian * Myson fast ethernet PCI NIC driver 3193746Sjulian */ 3293746Sjulian#include <sys/param.h> 3393746Sjulian#include <sys/systm.h> 3493746Sjulian#include <sys/sockio.h> 3593746Sjulian#include <sys/mbuf.h> 3693746Sjulian#include <sys/malloc.h> 3793746Sjulian#include <sys/kernel.h> 3893746Sjulian#include <sys/socket.h> 3993746Sjulian#include <sys/queue.h> 4093746Sjulian#include <sys/types.h> 4193746Sjulian#include <sys/bus.h> 4293746Sjulian#include <sys/module.h> 4395807Sjulian#include <sys/lock.h> 4495807Sjulian#include <sys/mutex.h> 4593746Sjulian 4693746Sjulian#define NBPFILTER 1 4793746Sjulian 4893746Sjulian#include <net/if.h> 4993746Sjulian#include <net/if_arp.h> 5093746Sjulian#include <net/ethernet.h> 5193746Sjulian#include <net/if_media.h> 5293746Sjulian#include <net/if_dl.h> 5393746Sjulian#include <net/bpf.h> 5493746Sjulian 5593746Sjulian#include <vm/vm.h> /* for vtophys */ 5693746Sjulian#include <vm/pmap.h> /* for vtophys */ 5793746Sjulian#include <machine/clock.h> /* for DELAY */ 5893746Sjulian#include <machine/bus_memio.h> 5993746Sjulian#include <machine/bus_pio.h> 6093746Sjulian#include <machine/bus.h> 6193746Sjulian#include <machine/resource.h> 6293746Sjulian#include <sys/bus.h> 6393746Sjulian#include <sys/rman.h> 6493746Sjulian 6593746Sjulian#include <pci/pcireg.h> 6693746Sjulian#include <pci/pcivar.h> 6793746Sjulian 6893746Sjulian#include <dev/mii/mii.h> 6993746Sjulian#include <dev/mii/miivar.h> 7093746Sjulian 7193746Sjulian#include "miibus_if.h" 7293746Sjulian 7393746Sjulian/* 7493746Sjulian * #define MY_USEIOSPACE 7593746Sjulian */ 7693746Sjulian 7793746Sjulianstatic int MY_USEIOSPACE = 1; 7893746Sjulian 7993746Sjulian#if (MY_USEIOSPACE) 8094904Sjulian#define MY_RES SYS_RES_IOPORT 8194904Sjulian#define MY_RID MY_PCI_LOIO 8293746Sjulian#else 8394904Sjulian#define MY_RES SYS_RES_MEMORY 8494904Sjulian#define MY_RID MY_PCI_LOMEM 8593746Sjulian#endif 8693746Sjulian 8793746Sjulian 8893746Sjulian#include <dev/my/if_myreg.h> 8993746Sjulian 9093746Sjulian#ifndef lint 9193746Sjulianstatic const char rcsid[] = 9293746Sjulian"$Id: if_my.c,v 1.50 2001/12/03 04:15:33 <yen_cw@myson.com.tw> wpaul Exp $"; 9393746Sjulian#endif 9493746Sjulian 9593746Sjulian/* 9693746Sjulian * Various supported device vendors/types and their names. 9793746Sjulian */ 9893746Sjulianstruct my_type *my_info_tmp; 9993746Sjulianstatic struct my_type my_devs[] = { 10093746Sjulian {MYSONVENDORID, MTD800ID, "Myson MTD80X Based Fast Ethernet Card"}, 10193746Sjulian {MYSONVENDORID, MTD803ID, "Myson MTD80X Based Fast Ethernet Card"}, 10293746Sjulian {MYSONVENDORID, MTD891ID, "Myson MTD89X Based Giga Ethernet Card"}, 10393746Sjulian {0, 0, NULL} 10493746Sjulian}; 10593746Sjulian 10693746Sjulian/* 10793746Sjulian * Various supported PHY vendors/types and their names. Note that this driver 10893746Sjulian * will work with pretty much any MII-compliant PHY, so failure to positively 10993746Sjulian * identify the chip is not a fatal error. 11093746Sjulian */ 11193746Sjulianstatic struct my_type my_phys[] = { 11293746Sjulian {MysonPHYID0, MysonPHYID0, "<MYSON MTD981>"}, 11393746Sjulian {SeeqPHYID0, SeeqPHYID0, "<SEEQ 80225>"}, 11493746Sjulian {AhdocPHYID0, AhdocPHYID0, "<AHDOC 101>"}, 11593746Sjulian {MarvellPHYID0, MarvellPHYID0, "<MARVELL 88E1000>"}, 11693746Sjulian {LevelOnePHYID0, LevelOnePHYID0, "<LevelOne LXT1000>"}, 11793746Sjulian {0, 0, "<MII-compliant physical interface>"} 11893746Sjulian}; 11993746Sjulian 12093746Sjulianstatic int my_probe(device_t); 12193746Sjulianstatic int my_attach(device_t); 12293746Sjulianstatic int my_detach(device_t); 12393746Sjulianstatic int my_newbuf(struct my_softc *, struct my_chain_onefrag *); 12493746Sjulianstatic int my_encap(struct my_softc *, struct my_chain *, struct mbuf *); 12593746Sjulianstatic void my_rxeof(struct my_softc *); 12693746Sjulianstatic void my_txeof(struct my_softc *); 12793746Sjulianstatic void my_txeoc(struct my_softc *); 12893746Sjulianstatic void my_intr(void *); 12993746Sjulianstatic void my_start(struct ifnet *); 13093746Sjulianstatic int my_ioctl(struct ifnet *, u_long, caddr_t); 13193746Sjulianstatic void my_init(void *); 13293746Sjulianstatic void my_stop(struct my_softc *); 13393746Sjulianstatic void my_watchdog(struct ifnet *); 13493746Sjulianstatic void my_shutdown(device_t); 13593746Sjulianstatic int my_ifmedia_upd(struct ifnet *); 13693746Sjulianstatic void my_ifmedia_sts(struct ifnet *, struct ifmediareq *); 13793746Sjulianstatic u_int16_t my_phy_readreg(struct my_softc *, int); 13893746Sjulianstatic void my_phy_writereg(struct my_softc *, int, int); 13993746Sjulianstatic void my_autoneg_xmit(struct my_softc *); 14093746Sjulianstatic void my_autoneg_mii(struct my_softc *, int, int); 14193746Sjulianstatic void my_setmode_mii(struct my_softc *, int); 14293746Sjulianstatic void my_getmode_mii(struct my_softc *); 14393746Sjulianstatic void my_setcfg(struct my_softc *, int); 14493746Sjulianstatic u_int8_t my_calchash(caddr_t); 14593746Sjulianstatic void my_setmulti(struct my_softc *); 14693746Sjulianstatic void my_reset(struct my_softc *); 14793746Sjulianstatic int my_list_rx_init(struct my_softc *); 14893746Sjulianstatic int my_list_tx_init(struct my_softc *); 14993746Sjulianstatic long my_send_cmd_to_phy(struct my_softc *, int, int); 15093746Sjulian 151106696Salfred#define MY_SETBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) | (x)) 152106696Salfred#define MY_CLRBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) & ~(x)) 15393746Sjulian 15493746Sjulianstatic device_method_t my_methods[] = { 15593746Sjulian /* Device interface */ 15693746Sjulian DEVMETHOD(device_probe, my_probe), 15793746Sjulian DEVMETHOD(device_attach, my_attach), 15893746Sjulian DEVMETHOD(device_detach, my_detach), 15993746Sjulian DEVMETHOD(device_shutdown, my_shutdown), 16093746Sjulian 16193746Sjulian {0, 0} 16293746Sjulian}; 16393746Sjulian 16493746Sjulianstatic driver_t my_driver = { 16593746Sjulian "my", 16693746Sjulian my_methods, 16793746Sjulian sizeof(struct my_softc) 16893746Sjulian}; 16993746Sjulian 17093746Sjulianstatic devclass_t my_devclass; 17193746Sjulian 17293746SjulianDRIVER_MODULE(if_my, pci, my_driver, my_devclass, 0, 0); 17393746Sjulian 17493746Sjulianstatic long 17593746Sjulianmy_send_cmd_to_phy(struct my_softc * sc, int opcode, int regad) 17693746Sjulian{ 17793746Sjulian long miir; 17893746Sjulian int i; 17993746Sjulian int mask, data; 18093746Sjulian 18193746Sjulian MY_LOCK(sc); 18293746Sjulian 18393746Sjulian /* enable MII output */ 18493746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 18593746Sjulian miir &= 0xfffffff0; 18693746Sjulian 18793746Sjulian miir |= MY_MASK_MIIR_MII_WRITE + MY_MASK_MIIR_MII_MDO; 18893746Sjulian 18993746Sjulian /* send 32 1's preamble */ 19093746Sjulian for (i = 0; i < 32; i++) { 19193746Sjulian /* low MDC; MDO is already high (miir) */ 19293746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 19393746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19493746Sjulian 19593746Sjulian /* high MDC */ 19693746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 19793746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19893746Sjulian } 19993746Sjulian 20093746Sjulian /* calculate ST+OP+PHYAD+REGAD+TA */ 20193746Sjulian data = opcode | (sc->my_phy_addr << 7) | (regad << 2); 20293746Sjulian 20393746Sjulian /* sent out */ 20493746Sjulian mask = 0x8000; 20593746Sjulian while (mask) { 20693746Sjulian /* low MDC, prepare MDO */ 20793746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 20893746Sjulian if (mask & data) 20993746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 21093746Sjulian 21193746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21293746Sjulian /* high MDC */ 21393746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 21493746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21593746Sjulian DELAY(30); 21693746Sjulian 21793746Sjulian /* next */ 21893746Sjulian mask >>= 1; 21993746Sjulian if (mask == 0x2 && opcode == MY_OP_READ) 22093746Sjulian miir &= ~MY_MASK_MIIR_MII_WRITE; 22193746Sjulian } 22293746Sjulian 22393746Sjulian MY_UNLOCK(sc); 22493746Sjulian return miir; 22593746Sjulian} 22693746Sjulian 22793746Sjulian 22893746Sjulianstatic u_int16_t 22993746Sjulianmy_phy_readreg(struct my_softc * sc, int reg) 23093746Sjulian{ 23193746Sjulian long miir; 23293746Sjulian int mask, data; 23393746Sjulian 23493746Sjulian MY_LOCK(sc); 23593746Sjulian 23693746Sjulian if (sc->my_info->my_did == MTD803ID) 23793746Sjulian data = CSR_READ_2(sc, MY_PHYBASE + reg * 2); 23893746Sjulian else { 23993746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_READ, reg); 24093746Sjulian 24193746Sjulian /* read data */ 24293746Sjulian mask = 0x8000; 24393746Sjulian data = 0; 24493746Sjulian while (mask) { 24593746Sjulian /* low MDC */ 24693746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 24793746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 24893746Sjulian 24993746Sjulian /* read MDI */ 25093746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 25193746Sjulian if (miir & MY_MASK_MIIR_MII_MDI) 25293746Sjulian data |= mask; 25393746Sjulian 25493746Sjulian /* high MDC, and wait */ 25593746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 25693746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 25793746Sjulian DELAY(30); 25893746Sjulian 25993746Sjulian /* next */ 26093746Sjulian mask >>= 1; 26193746Sjulian } 26293746Sjulian 26393746Sjulian /* low MDC */ 26493746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 26593746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 26693746Sjulian } 26793746Sjulian 26893746Sjulian MY_UNLOCK(sc); 26993746Sjulian return (u_int16_t) data; 27093746Sjulian} 27193746Sjulian 27293746Sjulian 27393746Sjulianstatic void 27493746Sjulianmy_phy_writereg(struct my_softc * sc, int reg, int data) 27593746Sjulian{ 27693746Sjulian long miir; 27793746Sjulian int mask; 27893746Sjulian 27993746Sjulian MY_LOCK(sc); 28093746Sjulian 28193746Sjulian if (sc->my_info->my_did == MTD803ID) 28293746Sjulian CSR_WRITE_2(sc, MY_PHYBASE + reg * 2, data); 28393746Sjulian else { 28493746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_WRITE, reg); 28593746Sjulian 28693746Sjulian /* write data */ 28793746Sjulian mask = 0x8000; 28893746Sjulian while (mask) { 28993746Sjulian /* low MDC, prepare MDO */ 29093746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 29193746Sjulian if (mask & data) 29293746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 29393746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29493746Sjulian DELAY(1); 29593746Sjulian 29693746Sjulian /* high MDC */ 29793746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 29893746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29993746Sjulian DELAY(1); 30093746Sjulian 30193746Sjulian /* next */ 30293746Sjulian mask >>= 1; 30393746Sjulian } 30493746Sjulian 30593746Sjulian /* low MDC */ 30693746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 30793746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 30893746Sjulian } 30993746Sjulian MY_UNLOCK(sc); 31093746Sjulian return; 31193746Sjulian} 31293746Sjulian 31393746Sjulianstatic u_int8_t 31493746Sjulianmy_calchash(caddr_t addr) 31593746Sjulian{ 31693746Sjulian u_int32_t crc, carry; 31793746Sjulian int i, j; 31893746Sjulian u_int8_t c; 31993746Sjulian 32093746Sjulian /* Compute CRC for the address value. */ 32193746Sjulian crc = 0xFFFFFFFF; /* initial value */ 32293746Sjulian 32393746Sjulian for (i = 0; i < 6; i++) { 32493746Sjulian c = *(addr + i); 32593746Sjulian for (j = 0; j < 8; j++) { 32693746Sjulian carry = ((crc & 0x80000000) ? 1 : 0) ^ (c & 0x01); 32793746Sjulian crc <<= 1; 32893746Sjulian c >>= 1; 32993746Sjulian if (carry) 33093746Sjulian crc = (crc ^ 0x04c11db6) | carry; 33193746Sjulian } 33293746Sjulian } 33393746Sjulian 33493746Sjulian /* 33593746Sjulian * return the filter bit position Note: I arrived at the following 33693746Sjulian * nonsense through experimentation. It's not the usual way to 33793746Sjulian * generate the bit position but it's the only thing I could come up 33893746Sjulian * with that works. 33993746Sjulian */ 34093746Sjulian return (~(crc >> 26) & 0x0000003F); 34193746Sjulian} 34293746Sjulian 34393746Sjulian 34493746Sjulian/* 34593746Sjulian * Program the 64-bit multicast hash filter. 34693746Sjulian */ 34793746Sjulianstatic void 34893746Sjulianmy_setmulti(struct my_softc * sc) 34993746Sjulian{ 35093746Sjulian struct ifnet *ifp; 35193746Sjulian int h = 0; 35293746Sjulian u_int32_t hashes[2] = {0, 0}; 35393746Sjulian struct ifmultiaddr *ifma; 35493746Sjulian u_int32_t rxfilt; 35593746Sjulian int mcnt = 0; 35693746Sjulian 35793746Sjulian MY_LOCK(sc); 35893746Sjulian 35993746Sjulian ifp = &sc->arpcom.ac_if; 36093746Sjulian 36193746Sjulian rxfilt = CSR_READ_4(sc, MY_TCRRCR); 36293746Sjulian 36393746Sjulian if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 36493746Sjulian rxfilt |= MY_AM; 36593746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 36693746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0xFFFFFFFF); 36793746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0xFFFFFFFF); 36893746Sjulian 36993746Sjulian MY_UNLOCK(sc); 37093746Sjulian 37193746Sjulian return; 37293746Sjulian } 37393746Sjulian /* first, zot all the existing hash bits */ 37493746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0); 37593746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0); 37693746Sjulian 37793746Sjulian /* now program new ones */ 37893746Sjulian TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 37993746Sjulian if (ifma->ifma_addr->sa_family != AF_LINK) 38093746Sjulian continue; 38193746Sjulian h = my_calchash(LLADDR((struct sockaddr_dl *) ifma->ifma_addr)); 38293746Sjulian if (h < 32) 38393746Sjulian hashes[0] |= (1 << h); 38493746Sjulian else 38593746Sjulian hashes[1] |= (1 << (h - 32)); 38693746Sjulian mcnt++; 38793746Sjulian } 38893746Sjulian 38993746Sjulian if (mcnt) 39093746Sjulian rxfilt |= MY_AM; 39193746Sjulian else 39293746Sjulian rxfilt &= ~MY_AM; 39393746Sjulian CSR_WRITE_4(sc, MY_MAR0, hashes[0]); 39493746Sjulian CSR_WRITE_4(sc, MY_MAR1, hashes[1]); 39593746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 39693746Sjulian MY_UNLOCK(sc); 39793746Sjulian return; 39893746Sjulian} 39993746Sjulian 40093746Sjulian/* 40193746Sjulian * Initiate an autonegotiation session. 40293746Sjulian */ 40393746Sjulianstatic void 40493746Sjulianmy_autoneg_xmit(struct my_softc * sc) 40593746Sjulian{ 40693746Sjulian u_int16_t phy_sts = 0; 40793746Sjulian 40893746Sjulian MY_LOCK(sc); 40993746Sjulian 41093746Sjulian my_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET); 41193746Sjulian DELAY(500); 41293746Sjulian while (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_RESET); 41393746Sjulian 41493746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMCR); 41593746Sjulian phy_sts |= PHY_BMCR_AUTONEGENBL | PHY_BMCR_AUTONEGRSTR; 41693746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_sts); 41793746Sjulian 41893746Sjulian MY_UNLOCK(sc); 41993746Sjulian return; 42093746Sjulian} 42193746Sjulian 42293746Sjulian 42393746Sjulian/* 42493746Sjulian * Invoke autonegotiation on a PHY. 42593746Sjulian */ 42693746Sjulianstatic void 42793746Sjulianmy_autoneg_mii(struct my_softc * sc, int flag, int verbose) 42893746Sjulian{ 42993746Sjulian u_int16_t phy_sts = 0, media, advert, ability; 43093746Sjulian u_int16_t ability2 = 0; 43193746Sjulian struct ifnet *ifp; 43293746Sjulian struct ifmedia *ifm; 43393746Sjulian 43493746Sjulian MY_LOCK(sc); 43593746Sjulian 43693746Sjulian ifm = &sc->ifmedia; 43793746Sjulian ifp = &sc->arpcom.ac_if; 43893746Sjulian 43993746Sjulian ifm->ifm_media = IFM_ETHER | IFM_AUTO; 44093746Sjulian 44193746Sjulian#ifndef FORCE_AUTONEG_TFOUR 44293746Sjulian /* 44393746Sjulian * First, see if autoneg is supported. If not, there's no point in 44493746Sjulian * continuing. 44593746Sjulian */ 44693746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 44793746Sjulian if (!(phy_sts & PHY_BMSR_CANAUTONEG)) { 44893746Sjulian if (verbose) 44993746Sjulian printf("my%d: autonegotiation not supported\n", 45093746Sjulian sc->my_unit); 45193746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 45293746Sjulian MY_UNLOCK(sc); 45393746Sjulian return; 45493746Sjulian } 45593746Sjulian#endif 45693746Sjulian switch (flag) { 45793746Sjulian case MY_FLAG_FORCEDELAY: 45893746Sjulian /* 45993746Sjulian * XXX Never use this option anywhere but in the probe 46093746Sjulian * routine: making the kernel stop dead in its tracks for 46193746Sjulian * three whole seconds after we've gone multi-user is really 46293746Sjulian * bad manners. 46393746Sjulian */ 46493746Sjulian my_autoneg_xmit(sc); 46593746Sjulian DELAY(5000000); 46693746Sjulian break; 46793746Sjulian case MY_FLAG_SCHEDDELAY: 46893746Sjulian /* 46993746Sjulian * Wait for the transmitter to go idle before starting an 47093746Sjulian * autoneg session, otherwise my_start() may clobber our 47193746Sjulian * timeout, and we don't want to allow transmission during an 47293746Sjulian * autoneg session since that can screw it up. 47393746Sjulian */ 47493746Sjulian if (sc->my_cdata.my_tx_head != NULL) { 47593746Sjulian sc->my_want_auto = 1; 47693746Sjulian MY_UNLOCK(sc); 47793746Sjulian return; 47893746Sjulian } 47993746Sjulian my_autoneg_xmit(sc); 48093746Sjulian ifp->if_timer = 5; 48193746Sjulian sc->my_autoneg = 1; 48293746Sjulian sc->my_want_auto = 0; 48393746Sjulian MY_UNLOCK(sc); 48493746Sjulian return; 48593746Sjulian case MY_FLAG_DELAYTIMEO: 48693746Sjulian ifp->if_timer = 0; 48793746Sjulian sc->my_autoneg = 0; 48893746Sjulian break; 48993746Sjulian default: 49093746Sjulian printf("my%d: invalid autoneg flag: %d\n", sc->my_unit, flag); 49193746Sjulian MY_UNLOCK(sc); 49293746Sjulian return; 49393746Sjulian } 49493746Sjulian 49593746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) { 49693746Sjulian if (verbose) 49793746Sjulian printf("my%d: autoneg complete, ", sc->my_unit); 49893746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 49993746Sjulian } else { 50093746Sjulian if (verbose) 50193746Sjulian printf("my%d: autoneg not complete, ", sc->my_unit); 50293746Sjulian } 50393746Sjulian 50493746Sjulian media = my_phy_readreg(sc, PHY_BMCR); 50593746Sjulian 50693746Sjulian /* Link is good. Report modes and set duplex mode. */ 50793746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT) { 50893746Sjulian if (verbose) 50993746Sjulian printf("my%d: link status good. ", sc->my_unit); 51093746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 51193746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 51293746Sjulian if ((sc->my_pinfo->my_vid == MarvellPHYID0) || 51393746Sjulian (sc->my_pinfo->my_vid == LevelOnePHYID0)) { 51493746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 51593746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 51693746Sjulian advert = 0; 51793746Sjulian ability = 0; 51893746Sjulian /* 51993746Sjulian * this version did not support 1000M, 52093746Sjulian * ifm->ifm_media = 52195673Sphk * IFM_ETHER|IFM_1000_T|IFM_FDX; 52293746Sjulian */ 52393746Sjulian ifm->ifm_media = 52493746Sjulian IFM_ETHER | IFM_100_TX | IFM_FDX; 52593746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 52693746Sjulian media |= PHY_BMCR_1000; 52793746Sjulian media |= PHY_BMCR_DUPLEX; 52893746Sjulian printf("(full-duplex, 1000Mbps)\n"); 52993746Sjulian } else if (ability2 & PHY_1000SR_1000BTXHALF) { 53093746Sjulian advert = 0; 53193746Sjulian ability = 0; 53293746Sjulian /* 53393746Sjulian * this version did not support 1000M, 53495673Sphk * ifm->ifm_media = IFM_ETHER|IFM_1000_T; 53593746Sjulian */ 53693746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX; 53793746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 53893746Sjulian media &= ~PHY_BMCR_DUPLEX; 53993746Sjulian media |= PHY_BMCR_1000; 54093746Sjulian printf("(half-duplex, 1000Mbps)\n"); 54193746Sjulian } 54293746Sjulian } 54393746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) { 54493746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_T4; 54593746Sjulian media |= PHY_BMCR_SPEEDSEL; 54693746Sjulian media &= ~PHY_BMCR_DUPLEX; 54793746Sjulian printf("(100baseT4)\n"); 54893746Sjulian } else if (advert & PHY_ANAR_100BTXFULL && 54993746Sjulian ability & PHY_ANAR_100BTXFULL) { 55093746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 55193746Sjulian media |= PHY_BMCR_SPEEDSEL; 55293746Sjulian media |= PHY_BMCR_DUPLEX; 55393746Sjulian printf("(full-duplex, 100Mbps)\n"); 55493746Sjulian } else if (advert & PHY_ANAR_100BTXHALF && 55593746Sjulian ability & PHY_ANAR_100BTXHALF) { 55693746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 55793746Sjulian media |= PHY_BMCR_SPEEDSEL; 55893746Sjulian media &= ~PHY_BMCR_DUPLEX; 55993746Sjulian printf("(half-duplex, 100Mbps)\n"); 56093746Sjulian } else if (advert & PHY_ANAR_10BTFULL && 56193746Sjulian ability & PHY_ANAR_10BTFULL) { 56293746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 56393746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 56493746Sjulian media |= PHY_BMCR_DUPLEX; 56593746Sjulian printf("(full-duplex, 10Mbps)\n"); 56693746Sjulian } else if (advert) { 56793746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 56893746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 56993746Sjulian media &= ~PHY_BMCR_DUPLEX; 57093746Sjulian printf("(half-duplex, 10Mbps)\n"); 57193746Sjulian } 57293746Sjulian media &= ~PHY_BMCR_AUTONEGENBL; 57393746Sjulian 57493746Sjulian /* Set ASIC's duplex mode to match the PHY. */ 57593746Sjulian my_phy_writereg(sc, PHY_BMCR, media); 57693746Sjulian my_setcfg(sc, media); 57793746Sjulian } else { 57893746Sjulian if (verbose) 57993746Sjulian printf("my%d: no carrier\n", sc->my_unit); 58093746Sjulian } 58193746Sjulian 58293746Sjulian my_init(sc); 58393746Sjulian if (sc->my_tx_pend) { 58493746Sjulian sc->my_autoneg = 0; 58593746Sjulian sc->my_tx_pend = 0; 58693746Sjulian my_start(ifp); 58793746Sjulian } 58893746Sjulian MY_UNLOCK(sc); 58993746Sjulian return; 59093746Sjulian} 59193746Sjulian 59293746Sjulian/* 59393746Sjulian * To get PHY ability. 59493746Sjulian */ 59593746Sjulianstatic void 59693746Sjulianmy_getmode_mii(struct my_softc * sc) 59793746Sjulian{ 59893746Sjulian u_int16_t bmsr; 59993746Sjulian struct ifnet *ifp; 60093746Sjulian 60193746Sjulian MY_LOCK(sc); 60293746Sjulian ifp = &sc->arpcom.ac_if; 60393746Sjulian bmsr = my_phy_readreg(sc, PHY_BMSR); 60493746Sjulian if (bootverbose) 60593746Sjulian printf("my%d: PHY status word: %x\n", sc->my_unit, bmsr); 60693746Sjulian 60793746Sjulian /* fallback */ 60893746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 60993746Sjulian 61093746Sjulian if (bmsr & PHY_BMSR_10BTHALF) { 61193746Sjulian if (bootverbose) 61293746Sjulian printf("my%d: 10Mbps half-duplex mode supported\n", 61393746Sjulian sc->my_unit); 61493746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_HDX, 61593746Sjulian 0, NULL); 61693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, NULL); 61793746Sjulian } 61893746Sjulian if (bmsr & PHY_BMSR_10BTFULL) { 61993746Sjulian if (bootverbose) 62093746Sjulian printf("my%d: 10Mbps full-duplex mode supported\n", 62193746Sjulian sc->my_unit); 62293746Sjulian 62393746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 62493746Sjulian 0, NULL); 62593746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 62693746Sjulian } 62793746Sjulian if (bmsr & PHY_BMSR_100BTXHALF) { 62893746Sjulian if (bootverbose) 62993746Sjulian printf("my%d: 100Mbps half-duplex mode supported\n", 63093746Sjulian sc->my_unit); 63193746Sjulian ifp->if_baudrate = 100000000; 63293746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL); 63393746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_HDX, 63493746Sjulian 0, NULL); 63593746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 63693746Sjulian } 63793746Sjulian if (bmsr & PHY_BMSR_100BTXFULL) { 63893746Sjulian if (bootverbose) 63993746Sjulian printf("my%d: 100Mbps full-duplex mode supported\n", 64093746Sjulian sc->my_unit); 64193746Sjulian ifp->if_baudrate = 100000000; 64293746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 64393746Sjulian 0, NULL); 64493746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 64593746Sjulian } 64693746Sjulian /* Some also support 100BaseT4. */ 64793746Sjulian if (bmsr & PHY_BMSR_100BT4) { 64893746Sjulian if (bootverbose) 64993746Sjulian printf("my%d: 100baseT4 mode supported\n", sc->my_unit); 65093746Sjulian ifp->if_baudrate = 100000000; 65193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_T4, 0, NULL); 65293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_T4; 65393746Sjulian#ifdef FORCE_AUTONEG_TFOUR 65493746Sjulian if (bootverbose) 65593746Sjulian printf("my%d: forcing on autoneg support for BT4\n", 65693746Sjulian sc->my_unit); 65793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0 NULL): 65893746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 65993746Sjulian#endif 66093746Sjulian } 66194863Sjulian#if 0 /* this version did not support 1000M, */ 66293746Sjulian if (sc->my_pinfo->my_vid == MarvellPHYID0) { 66393746Sjulian if (bootverbose) 66493746Sjulian printf("my%d: 1000Mbps half-duplex mode supported\n", 66593746Sjulian sc->my_unit); 66693746Sjulian 66793746Sjulian ifp->if_baudrate = 1000000000; 66895673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T, 0, NULL); 66995673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_HDX, 67093746Sjulian 0, NULL); 67193746Sjulian if (bootverbose) 67293746Sjulian printf("my%d: 1000Mbps full-duplex mode supported\n", 67393746Sjulian sc->my_unit); 67493746Sjulian ifp->if_baudrate = 1000000000; 67595673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 67693746Sjulian 0, NULL); 67795673Sphk sc->ifmedia.ifm_media = IFM_ETHER | IFM_1000_T | IFM_FDX; 67893746Sjulian } 67993746Sjulian#endif 68093746Sjulian if (bmsr & PHY_BMSR_CANAUTONEG) { 68193746Sjulian if (bootverbose) 68293746Sjulian printf("my%d: autoneg supported\n", sc->my_unit); 68393746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 68493746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 68593746Sjulian } 68693746Sjulian MY_UNLOCK(sc); 68793746Sjulian return; 68893746Sjulian} 68993746Sjulian 69093746Sjulian/* 69193746Sjulian * Set speed and duplex mode. 69293746Sjulian */ 69393746Sjulianstatic void 69493746Sjulianmy_setmode_mii(struct my_softc * sc, int media) 69593746Sjulian{ 69693746Sjulian u_int16_t bmcr; 69793746Sjulian struct ifnet *ifp; 69893746Sjulian 69993746Sjulian MY_LOCK(sc); 70093746Sjulian ifp = &sc->arpcom.ac_if; 70193746Sjulian /* 70293746Sjulian * If an autoneg session is in progress, stop it. 70393746Sjulian */ 70493746Sjulian if (sc->my_autoneg) { 70593746Sjulian printf("my%d: canceling autoneg session\n", sc->my_unit); 70693746Sjulian ifp->if_timer = sc->my_autoneg = sc->my_want_auto = 0; 70793746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 70893746Sjulian bmcr &= ~PHY_BMCR_AUTONEGENBL; 70993746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 71093746Sjulian } 71193746Sjulian printf("my%d: selecting MII, ", sc->my_unit); 71293746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 71393746Sjulian bmcr &= ~(PHY_BMCR_AUTONEGENBL | PHY_BMCR_SPEEDSEL | PHY_BMCR_1000 | 71493746Sjulian PHY_BMCR_DUPLEX | PHY_BMCR_LOOPBK); 71594863Sjulian 71694863Sjulian#if 0 /* this version did not support 1000M, */ 71795673Sphk if (IFM_SUBTYPE(media) == IFM_1000_T) { 71893746Sjulian printf("1000Mbps/T4, half-duplex\n"); 71993746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 72093746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 72193746Sjulian bmcr |= PHY_BMCR_1000; 72293746Sjulian } 72393746Sjulian#endif 72493746Sjulian if (IFM_SUBTYPE(media) == IFM_100_T4) { 72593746Sjulian printf("100Mbps/T4, half-duplex\n"); 72693746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 72793746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 72893746Sjulian } 72993746Sjulian if (IFM_SUBTYPE(media) == IFM_100_TX) { 73093746Sjulian printf("100Mbps, "); 73193746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 73293746Sjulian } 73393746Sjulian if (IFM_SUBTYPE(media) == IFM_10_T) { 73493746Sjulian printf("10Mbps, "); 73593746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 73693746Sjulian } 73793746Sjulian if ((media & IFM_GMASK) == IFM_FDX) { 73893746Sjulian printf("full duplex\n"); 73993746Sjulian bmcr |= PHY_BMCR_DUPLEX; 74093746Sjulian } else { 74193746Sjulian printf("half duplex\n"); 74293746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 74393746Sjulian } 74493746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 74593746Sjulian my_setcfg(sc, bmcr); 74693746Sjulian MY_UNLOCK(sc); 74793746Sjulian return; 74893746Sjulian} 74993746Sjulian 75093746Sjulian/* 75193746Sjulian * The Myson manual states that in order to fiddle with the 'full-duplex' and 75293746Sjulian * '100Mbps' bits in the netconfig register, we first have to put the 75393746Sjulian * transmit and/or receive logic in the idle state. 75493746Sjulian */ 75593746Sjulianstatic void 75693746Sjulianmy_setcfg(struct my_softc * sc, int bmcr) 75793746Sjulian{ 75893746Sjulian int i, restart = 0; 75993746Sjulian 76093746Sjulian MY_LOCK(sc); 76193746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & (MY_TE | MY_RE)) { 76293746Sjulian restart = 1; 76393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_TE | MY_RE)); 76493746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 76593746Sjulian DELAY(10); 76693746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & 76793746Sjulian (MY_TXRUN | MY_RXRUN))) 76893746Sjulian break; 76993746Sjulian } 77093746Sjulian if (i == MY_TIMEOUT) 77193746Sjulian printf("my%d: failed to force tx and rx to idle \n", 77293746Sjulian sc->my_unit); 77393746Sjulian } 77493746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS1000); 77593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS10); 77693746Sjulian if (bmcr & PHY_BMCR_1000) 77793746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS1000); 77893746Sjulian else if (!(bmcr & PHY_BMCR_SPEEDSEL)) 77993746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS10); 78093746Sjulian if (bmcr & PHY_BMCR_DUPLEX) 78193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_FD); 78293746Sjulian else 78393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_FD); 78493746Sjulian if (restart) 78593746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE | MY_RE); 78693746Sjulian MY_UNLOCK(sc); 78793746Sjulian return; 78893746Sjulian} 78993746Sjulian 79093746Sjulianstatic void 79193746Sjulianmy_reset(struct my_softc * sc) 79293746Sjulian{ 79393746Sjulian register int i; 79493746Sjulian 79593746Sjulian MY_LOCK(sc); 79693746Sjulian MY_SETBIT(sc, MY_BCR, MY_SWR); 79793746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 79893746Sjulian DELAY(10); 79993746Sjulian if (!(CSR_READ_4(sc, MY_BCR) & MY_SWR)) 80093746Sjulian break; 80193746Sjulian } 80293746Sjulian if (i == MY_TIMEOUT) 80393746Sjulian printf("m0x%d: reset never completed!\n", sc->my_unit); 80493746Sjulian 80593746Sjulian /* Wait a little while for the chip to get its brains in order. */ 80693746Sjulian DELAY(1000); 80793746Sjulian MY_UNLOCK(sc); 80893746Sjulian return; 80993746Sjulian} 81093746Sjulian 81193746Sjulian/* 81293746Sjulian * Probe for a Myson chip. Check the PCI vendor and device IDs against our 81393746Sjulian * list and return a device name if we find a match. 81493746Sjulian */ 81593746Sjulianstatic int 81693746Sjulianmy_probe(device_t dev) 81793746Sjulian{ 81893746Sjulian struct my_type *t; 81993746Sjulian 82093746Sjulian t = my_devs; 82193746Sjulian while (t->my_name != NULL) { 82293746Sjulian if ((pci_get_vendor(dev) == t->my_vid) && 82393746Sjulian (pci_get_device(dev) == t->my_did)) { 82493746Sjulian device_set_desc(dev, t->my_name); 82593746Sjulian my_info_tmp = t; 82693746Sjulian return (0); 82793746Sjulian } 82893746Sjulian t++; 82993746Sjulian } 83093746Sjulian return (ENXIO); 83193746Sjulian} 83293746Sjulian 83393746Sjulian/* 83493746Sjulian * Attach the interface. Allocate softc structures, do ifmedia setup and 83593746Sjulian * ethernet/BPF attach. 83693746Sjulian */ 83793746Sjulianstatic int 83893746Sjulianmy_attach(device_t dev) 83993746Sjulian{ 84093746Sjulian int s, i; 84193746Sjulian u_char eaddr[ETHER_ADDR_LEN]; 84293746Sjulian u_int32_t command, iobase; 84393746Sjulian struct my_softc *sc; 84493746Sjulian struct ifnet *ifp; 84593746Sjulian int media = IFM_ETHER | IFM_100_TX | IFM_FDX; 84693746Sjulian unsigned int round; 84793746Sjulian caddr_t roundptr; 84893746Sjulian struct my_type *p; 84993746Sjulian u_int16_t phy_vid, phy_did, phy_sts = 0; 85093746Sjulian int rid, unit, error = 0; 85193746Sjulian 85293746Sjulian s = splimp(); 85393746Sjulian sc = device_get_softc(dev); 85493746Sjulian unit = device_get_unit(dev); 85593746Sjulian if (sc == NULL) { 85693746Sjulian printf("my%d: no memory for softc struct!\n", unit); 85793746Sjulian error = ENXIO; 85893746Sjulian goto fail; 85993746Sjulian 86093746Sjulian } 86193746Sjulian bzero(sc, sizeof(struct my_softc)); 86295803Sjulian mtx_init(&sc->my_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 86395803Sjulian MTX_DEF | MTX_RECURSE); 86493746Sjulian MY_LOCK(sc); 86593746Sjulian 86693746Sjulian /* 86793746Sjulian * Map control/status registers. 86893746Sjulian */ 86994863Sjulian#if 0 87094863Sjulian command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 87194863Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 87294863Sjulian pci_write_config(dev, PCI_COMMAND_STATUS_REG, command & 0x000000ff, 4); 87394863Sjulian command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 87494863Sjulian#endif 87593746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 87693746Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 87793746Sjulian pci_write_config(dev, PCIR_COMMAND, command & 0x000000ff, 4); 87893746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 87993746Sjulian 88093746Sjulian if (my_info_tmp->my_did == MTD800ID) { 88193746Sjulian iobase = pci_read_config(dev, MY_PCI_LOIO, 4); 88293746Sjulian if (iobase & 0x300) 88393746Sjulian MY_USEIOSPACE = 0; 88493746Sjulian } 88593746Sjulian if (MY_USEIOSPACE) { 88693746Sjulian if (!(command & PCIM_CMD_PORTEN)) { 88793746Sjulian printf("my%d: failed to enable I/O ports!\n", unit); 88893746Sjulian free(sc, M_DEVBUF); 88993746Sjulian error = ENXIO; 89093746Sjulian goto fail; 89193746Sjulian } 89293746Sjulian#if 0 89394863Sjulian if (!pci_map_port(config_id, MY_PCI_LOIO, (u_int16_t *) & (sc->my_bhandle))) { 89494863Sjulian printf("my%d: couldn't map ports\n", unit); 89594863Sjulian error = ENXIO; 89694863Sjulian goto fail; 89793746Sjulian } 89893746Sjulian 89993746Sjulian sc->my_btag = I386_BUS_SPACE_IO; 90093746Sjulian#endif 90193746Sjulian } else { 90293746Sjulian if (!(command & PCIM_CMD_MEMEN)) { 90393746Sjulian printf("my%d: failed to enable memory mapping!\n", 90493746Sjulian unit); 90593746Sjulian error = ENXIO; 90693746Sjulian goto fail; 90793746Sjulian } 90893746Sjulian#if 0 90993746Sjulian if (!pci_map_mem(config_id, MY_PCI_LOMEM, &vbase, &pbase)) { 91093746Sjulian printf ("my%d: couldn't map memory\n", unit); 91193746Sjulian error = ENXIO; 91293746Sjulian goto fail; 91393746Sjulian } 91494863Sjulian sc->my_btag = I386_BUS_SPACE_MEM; 91594863Sjulian sc->my_bhandle = vbase; 91693746Sjulian#endif 91793746Sjulian } 91893746Sjulian 91993746Sjulian rid = MY_RID; 92093746Sjulian sc->my_res = bus_alloc_resource(dev, MY_RES, &rid, 92193746Sjulian 0, ~0, 1, RF_ACTIVE); 92293746Sjulian 92393746Sjulian if (sc->my_res == NULL) { 92493746Sjulian printf("my%d: couldn't map ports/memory\n", unit); 92593746Sjulian error = ENXIO; 92693746Sjulian goto fail; 92793746Sjulian } 92893746Sjulian sc->my_btag = rman_get_bustag(sc->my_res); 92993746Sjulian sc->my_bhandle = rman_get_bushandle(sc->my_res); 93093746Sjulian 93193746Sjulian rid = 0; 93293746Sjulian sc->my_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 93393746Sjulian RF_SHAREABLE | RF_ACTIVE); 93493746Sjulian 93593746Sjulian if (sc->my_irq == NULL) { 93693746Sjulian printf("my%d: couldn't map interrupt\n", unit); 93793746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 93893746Sjulian error = ENXIO; 93993746Sjulian goto fail; 94093746Sjulian } 94193746Sjulian error = bus_setup_intr(dev, sc->my_irq, INTR_TYPE_NET, 94293746Sjulian my_intr, sc, &sc->my_intrhand); 94393746Sjulian 94493746Sjulian if (error) { 94593746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 94693746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 94793746Sjulian printf("my%d: couldn't set up irq\n", unit); 94893746Sjulian goto fail; 94993746Sjulian } 95093746Sjulian callout_handle_init(&sc->my_stat_ch); 95193746Sjulian 95293746Sjulian sc->my_info = my_info_tmp; 95393746Sjulian 95493746Sjulian /* Reset the adapter. */ 95593746Sjulian my_reset(sc); 95693746Sjulian 95793746Sjulian /* 95893746Sjulian * Get station address 95993746Sjulian */ 96093746Sjulian for (i = 0; i < ETHER_ADDR_LEN; ++i) 96193746Sjulian eaddr[i] = CSR_READ_1(sc, MY_PAR0 + i); 96293746Sjulian 96393746Sjulian /* 96493746Sjulian * A Myson chip was detected. Inform the world. 96593746Sjulian */ 96693746Sjulian printf("my%d: Ethernet address: %6D\n", unit, eaddr, ":"); 96793746Sjulian 96893746Sjulian sc->my_unit = unit; 96993746Sjulian bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 97093746Sjulian 97193746Sjulian sc->my_ldata_ptr = malloc(sizeof(struct my_list_data) + 8, 97293746Sjulian M_DEVBUF, M_NOWAIT); 97393746Sjulian if (sc->my_ldata_ptr == NULL) { 97493746Sjulian free(sc, M_DEVBUF); 97593746Sjulian printf("my%d: no memory for list buffers!\n", unit); 97693746Sjulian error = ENXIO; 97793746Sjulian goto fail; 97893746Sjulian } 97993746Sjulian sc->my_ldata = (struct my_list_data *) sc->my_ldata_ptr; 980106588Sjhb round = (uintptr_t)sc->my_ldata_ptr & 0xF; 98193746Sjulian roundptr = sc->my_ldata_ptr; 98293746Sjulian for (i = 0; i < 8; i++) { 98393746Sjulian if (round % 8) { 98493746Sjulian round++; 98593746Sjulian roundptr++; 98693746Sjulian } else 98793746Sjulian break; 98893746Sjulian } 98993746Sjulian sc->my_ldata = (struct my_list_data *) roundptr; 99093746Sjulian bzero(sc->my_ldata, sizeof(struct my_list_data)); 99193746Sjulian 99293746Sjulian ifp = &sc->arpcom.ac_if; 99393746Sjulian ifp->if_softc = sc; 99493746Sjulian ifp->if_unit = unit; 99593746Sjulian ifp->if_name = "my"; 99693746Sjulian ifp->if_mtu = ETHERMTU; 99793746Sjulian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 99893746Sjulian ifp->if_ioctl = my_ioctl; 99993746Sjulian ifp->if_output = ether_output; 100093746Sjulian ifp->if_start = my_start; 100193746Sjulian ifp->if_watchdog = my_watchdog; 100293746Sjulian ifp->if_init = my_init; 100393746Sjulian ifp->if_baudrate = 10000000; 100493746Sjulian ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 100593746Sjulian 100693746Sjulian if (sc->my_info->my_did == MTD803ID) 100793746Sjulian sc->my_pinfo = my_phys; 100893746Sjulian else { 100993746Sjulian if (bootverbose) 101093746Sjulian printf("my%d: probing for a PHY\n", sc->my_unit); 101193746Sjulian for (i = MY_PHYADDR_MIN; i < MY_PHYADDR_MAX + 1; i++) { 101293746Sjulian if (bootverbose) 101393746Sjulian printf("my%d: checking address: %d\n", 101493746Sjulian sc->my_unit, i); 101593746Sjulian sc->my_phy_addr = i; 101693746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 101793746Sjulian if ((phy_sts != 0) && (phy_sts != 0xffff)) 101893746Sjulian break; 101993746Sjulian else 102093746Sjulian phy_sts = 0; 102193746Sjulian } 102293746Sjulian if (phy_sts) { 102393746Sjulian phy_vid = my_phy_readreg(sc, PHY_VENID); 102493746Sjulian phy_did = my_phy_readreg(sc, PHY_DEVID); 102593746Sjulian if (bootverbose) { 102693746Sjulian printf("my%d: found PHY at address %d, ", 102793746Sjulian sc->my_unit, sc->my_phy_addr); 102893746Sjulian printf("vendor id: %x device id: %x\n", 102993746Sjulian phy_vid, phy_did); 103093746Sjulian } 103193746Sjulian p = my_phys; 103293746Sjulian while (p->my_vid) { 103393746Sjulian if (phy_vid == p->my_vid) { 103493746Sjulian sc->my_pinfo = p; 103593746Sjulian break; 103693746Sjulian } 103793746Sjulian p++; 103893746Sjulian } 103993746Sjulian if (sc->my_pinfo == NULL) 104093746Sjulian sc->my_pinfo = &my_phys[PHY_UNKNOWN]; 104193746Sjulian if (bootverbose) 104293746Sjulian printf("my%d: PHY type: %s\n", 104393746Sjulian sc->my_unit, sc->my_pinfo->my_name); 104493746Sjulian } else { 104593746Sjulian printf("my%d: MII without any phy!\n", sc->my_unit); 104693746Sjulian error = ENXIO; 104793746Sjulian goto fail; 104893746Sjulian } 104993746Sjulian } 105093746Sjulian 105193746Sjulian /* Do ifmedia setup. */ 105293746Sjulian ifmedia_init(&sc->ifmedia, 0, my_ifmedia_upd, my_ifmedia_sts); 105393746Sjulian my_getmode_mii(sc); 105493746Sjulian my_autoneg_mii(sc, MY_FLAG_FORCEDELAY, 1); 105593746Sjulian media = sc->ifmedia.ifm_media; 105693746Sjulian my_stop(sc); 105793746Sjulian ifmedia_set(&sc->ifmedia, media); 105893746Sjulian 1059106937Ssam ether_ifattach(ifp, eaddr); 106093746Sjulian 106193746Sjulian#if 0 106293746Sjulian at_shutdown(my_shutdown, sc, SHUTDOWN_POST_SYNC); 106393746Sjulian shutdownhook_establish(my_shutdown, sc); 106493746Sjulian#endif 106593746Sjulian 106693746Sjulian MY_UNLOCK(sc); 106793746Sjulian return (0); 106893746Sjulian 106993746Sjulianfail: 107093746Sjulian MY_UNLOCK(sc); 107193746Sjulian mtx_destroy(&sc->my_mtx); 107293746Sjulian splx(s); 107393746Sjulian return (error); 107493746Sjulian} 107593746Sjulian 107693746Sjulianstatic int 107793746Sjulianmy_detach(device_t dev) 107893746Sjulian{ 107993746Sjulian struct my_softc *sc; 108093746Sjulian struct ifnet *ifp; 108193746Sjulian int s; 108293746Sjulian 108393746Sjulian s = splimp(); 108493746Sjulian sc = device_get_softc(dev); 108593746Sjulian MY_LOCK(sc); 108693746Sjulian ifp = &sc->arpcom.ac_if; 1087106937Ssam ether_ifdetach(ifp); 108893746Sjulian my_stop(sc); 108993746Sjulian 109094863Sjulian#if 0 109194863Sjulian bus_generic_detach(dev); 109294863Sjulian device_delete_child(dev, sc->rl_miibus); 109394863Sjulian#endif 109494863Sjulian 109593746Sjulian bus_teardown_intr(dev, sc->my_irq, sc->my_intrhand); 109693746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 109793746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 109894863Sjulian#if 0 109994863Sjulian contigfree(sc->my_cdata.my_rx_buf, MY_RXBUFLEN + 32, M_DEVBUF); 110094863Sjulian#endif 110193746Sjulian free(sc, M_DEVBUF); 110293746Sjulian MY_UNLOCK(sc); 110393746Sjulian splx(s); 110493746Sjulian mtx_destroy(&sc->my_mtx); 110593746Sjulian return (0); 110693746Sjulian} 110793746Sjulian 110893746Sjulian 110993746Sjulian/* 111093746Sjulian * Initialize the transmit descriptors. 111193746Sjulian */ 111293746Sjulianstatic int 111393746Sjulianmy_list_tx_init(struct my_softc * sc) 111493746Sjulian{ 111593746Sjulian struct my_chain_data *cd; 111693746Sjulian struct my_list_data *ld; 111793746Sjulian int i; 111893746Sjulian 111993746Sjulian MY_LOCK(sc); 112093746Sjulian cd = &sc->my_cdata; 112193746Sjulian ld = sc->my_ldata; 112293746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 112393746Sjulian cd->my_tx_chain[i].my_ptr = &ld->my_tx_list[i]; 112493746Sjulian if (i == (MY_TX_LIST_CNT - 1)) 112593746Sjulian cd->my_tx_chain[i].my_nextdesc = &cd->my_tx_chain[0]; 112693746Sjulian else 112793746Sjulian cd->my_tx_chain[i].my_nextdesc = 112893746Sjulian &cd->my_tx_chain[i + 1]; 112993746Sjulian } 113093746Sjulian cd->my_tx_free = &cd->my_tx_chain[0]; 113193746Sjulian cd->my_tx_tail = cd->my_tx_head = NULL; 113293746Sjulian MY_UNLOCK(sc); 113393746Sjulian return (0); 113493746Sjulian} 113593746Sjulian 113693746Sjulian/* 113793746Sjulian * Initialize the RX descriptors and allocate mbufs for them. Note that we 113893746Sjulian * arrange the descriptors in a closed ring, so that the last descriptor 113993746Sjulian * points back to the first. 114093746Sjulian */ 114193746Sjulianstatic int 114293746Sjulianmy_list_rx_init(struct my_softc * sc) 114393746Sjulian{ 114493746Sjulian struct my_chain_data *cd; 114593746Sjulian struct my_list_data *ld; 114693746Sjulian int i; 114793746Sjulian 114893746Sjulian MY_LOCK(sc); 114993746Sjulian cd = &sc->my_cdata; 115093746Sjulian ld = sc->my_ldata; 115193746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 115293746Sjulian cd->my_rx_chain[i].my_ptr = 115393746Sjulian (struct my_desc *) & ld->my_rx_list[i]; 115497641Sjulian if (my_newbuf(sc, &cd->my_rx_chain[i]) == ENOBUFS) { 115597641Sjulian MY_UNLOCK(sc); 115693746Sjulian return (ENOBUFS); 115797641Sjulian } 115893746Sjulian if (i == (MY_RX_LIST_CNT - 1)) { 115993746Sjulian cd->my_rx_chain[i].my_nextdesc = &cd->my_rx_chain[0]; 116093746Sjulian ld->my_rx_list[i].my_next = vtophys(&ld->my_rx_list[0]); 116193746Sjulian } else { 116293746Sjulian cd->my_rx_chain[i].my_nextdesc = 116393746Sjulian &cd->my_rx_chain[i + 1]; 116493746Sjulian ld->my_rx_list[i].my_next = 116593746Sjulian vtophys(&ld->my_rx_list[i + 1]); 116693746Sjulian } 116793746Sjulian } 116893746Sjulian cd->my_rx_head = &cd->my_rx_chain[0]; 116993746Sjulian MY_UNLOCK(sc); 117093746Sjulian return (0); 117193746Sjulian} 117293746Sjulian 117393746Sjulian/* 117493746Sjulian * Initialize an RX descriptor and attach an MBUF cluster. 117593746Sjulian */ 117693746Sjulianstatic int 117793746Sjulianmy_newbuf(struct my_softc * sc, struct my_chain_onefrag * c) 117893746Sjulian{ 117993746Sjulian struct mbuf *m_new = NULL; 118093746Sjulian 118193746Sjulian MY_LOCK(sc); 118293746Sjulian MGETHDR(m_new, M_DONTWAIT, MT_DATA); 118393746Sjulian if (m_new == NULL) { 118493746Sjulian printf("my%d: no memory for rx list -- packet dropped!\n", 118593746Sjulian sc->my_unit); 118695939Sjulian MY_UNLOCK(sc); 118793746Sjulian return (ENOBUFS); 118893746Sjulian } 118993746Sjulian MCLGET(m_new, M_DONTWAIT); 119093746Sjulian if (!(m_new->m_flags & M_EXT)) { 119193746Sjulian printf("my%d: no memory for rx list -- packet dropped!\n", 119293746Sjulian sc->my_unit); 119393746Sjulian m_freem(m_new); 119495939Sjulian MY_UNLOCK(sc); 119593746Sjulian return (ENOBUFS); 119693746Sjulian } 119793746Sjulian c->my_mbuf = m_new; 119893746Sjulian c->my_ptr->my_data = vtophys(mtod(m_new, caddr_t)); 119993746Sjulian c->my_ptr->my_ctl = (MCLBYTES - 1) << MY_RBSShift; 120093746Sjulian c->my_ptr->my_status = MY_OWNByNIC; 120193746Sjulian MY_UNLOCK(sc); 120293746Sjulian return (0); 120393746Sjulian} 120493746Sjulian 120593746Sjulian/* 120693746Sjulian * A frame has been uploaded: pass the resulting mbuf chain up to the higher 120793746Sjulian * level protocols. 120893746Sjulian */ 120993746Sjulianstatic void 121093746Sjulianmy_rxeof(struct my_softc * sc) 121193746Sjulian{ 121293746Sjulian struct ether_header *eh; 121393746Sjulian struct mbuf *m; 121493746Sjulian struct ifnet *ifp; 121593746Sjulian struct my_chain_onefrag *cur_rx; 121693746Sjulian int total_len = 0; 121793746Sjulian u_int32_t rxstat; 121893746Sjulian 121993746Sjulian MY_LOCK(sc); 122093746Sjulian ifp = &sc->arpcom.ac_if; 122193746Sjulian while (!((rxstat = sc->my_cdata.my_rx_head->my_ptr->my_status) 122293746Sjulian & MY_OWNByNIC)) { 122393746Sjulian cur_rx = sc->my_cdata.my_rx_head; 122493746Sjulian sc->my_cdata.my_rx_head = cur_rx->my_nextdesc; 122593746Sjulian 122693746Sjulian if (rxstat & MY_ES) { /* error summary: give up this rx pkt */ 122793746Sjulian ifp->if_ierrors++; 122893746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 122993746Sjulian continue; 123093746Sjulian } 123193746Sjulian /* No errors; receive the packet. */ 123293746Sjulian total_len = (rxstat & MY_FLNGMASK) >> MY_FLNGShift; 123393746Sjulian total_len -= ETHER_CRC_LEN; 123493746Sjulian 123593746Sjulian if (total_len < MINCLSIZE) { 123693746Sjulian m = m_devget(mtod(cur_rx->my_mbuf, char *), 123793746Sjulian total_len, 0, ifp, NULL); 123893746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 123993746Sjulian if (m == NULL) { 124093746Sjulian ifp->if_ierrors++; 124193746Sjulian continue; 124293746Sjulian } 124393746Sjulian } else { 124493746Sjulian m = cur_rx->my_mbuf; 124593746Sjulian /* 124693746Sjulian * Try to conjure up a new mbuf cluster. If that 124793746Sjulian * fails, it means we have an out of memory condition 124893746Sjulian * and should leave the buffer in place and continue. 124993746Sjulian * This will result in a lost packet, but there's 125093746Sjulian * little else we can do in this situation. 125193746Sjulian */ 125293746Sjulian if (my_newbuf(sc, cur_rx) == ENOBUFS) { 125393746Sjulian ifp->if_ierrors++; 125493746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 125593746Sjulian continue; 125693746Sjulian } 125793746Sjulian m->m_pkthdr.rcvif = ifp; 125893746Sjulian m->m_pkthdr.len = m->m_len = total_len; 125993746Sjulian } 126093746Sjulian ifp->if_ipackets++; 126193746Sjulian eh = mtod(m, struct ether_header *); 126293746Sjulian#if NBPFILTER > 0 126393746Sjulian /* 126493746Sjulian * Handle BPF listeners. Let the BPF user see the packet, but 126593746Sjulian * don't pass it up to the ether_input() layer unless it's a 126693746Sjulian * broadcast packet, multicast packet, matches our ethernet 126793746Sjulian * address or the interface is in promiscuous mode. 126893746Sjulian */ 126993746Sjulian if (ifp->if_bpf) { 1270106937Ssam BPF_MTAP(ifp, m); 127193746Sjulian if (ifp->if_flags & IFF_PROMISC && 127293746Sjulian (bcmp(eh->ether_dhost, sc->arpcom.ac_enaddr, 127393746Sjulian ETHER_ADDR_LEN) && 127493746Sjulian (eh->ether_dhost[0] & 1) == 0)) { 127593746Sjulian m_freem(m); 127693746Sjulian continue; 127793746Sjulian } 127893746Sjulian } 127993746Sjulian#endif 1280106937Ssam (*ifp->if_input)(ifp, m); 128193746Sjulian } 128293746Sjulian MY_UNLOCK(sc); 128393746Sjulian return; 128493746Sjulian} 128593746Sjulian 128693746Sjulian 128793746Sjulian/* 128893746Sjulian * A frame was downloaded to the chip. It's safe for us to clean up the list 128993746Sjulian * buffers. 129093746Sjulian */ 129193746Sjulianstatic void 129293746Sjulianmy_txeof(struct my_softc * sc) 129393746Sjulian{ 129493746Sjulian struct my_chain *cur_tx; 129593746Sjulian struct ifnet *ifp; 129693746Sjulian 129793746Sjulian MY_LOCK(sc); 129893746Sjulian ifp = &sc->arpcom.ac_if; 129993746Sjulian /* Clear the timeout timer. */ 130093746Sjulian ifp->if_timer = 0; 130195939Sjulian if (sc->my_cdata.my_tx_head == NULL) { 130295939Sjulian MY_UNLOCK(sc); 130393746Sjulian return; 130495939Sjulian } 130593746Sjulian /* 130693746Sjulian * Go through our tx list and free mbufs for those frames that have 130793746Sjulian * been transmitted. 130893746Sjulian */ 130993746Sjulian while (sc->my_cdata.my_tx_head->my_mbuf != NULL) { 131093746Sjulian u_int32_t txstat; 131193746Sjulian 131293746Sjulian cur_tx = sc->my_cdata.my_tx_head; 131393746Sjulian txstat = MY_TXSTATUS(cur_tx); 131493746Sjulian if ((txstat & MY_OWNByNIC) || txstat == MY_UNSENT) 131593746Sjulian break; 131693746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced)) { 131793746Sjulian if (txstat & MY_TXERR) { 131893746Sjulian ifp->if_oerrors++; 131993746Sjulian if (txstat & MY_EC) /* excessive collision */ 132093746Sjulian ifp->if_collisions++; 132193746Sjulian if (txstat & MY_LC) /* late collision */ 132293746Sjulian ifp->if_collisions++; 132393746Sjulian } 132493746Sjulian ifp->if_collisions += (txstat & MY_NCRMASK) >> 132593746Sjulian MY_NCRShift; 132693746Sjulian } 132793746Sjulian ifp->if_opackets++; 132893746Sjulian m_freem(cur_tx->my_mbuf); 132993746Sjulian cur_tx->my_mbuf = NULL; 133093746Sjulian if (sc->my_cdata.my_tx_head == sc->my_cdata.my_tx_tail) { 133193746Sjulian sc->my_cdata.my_tx_head = NULL; 133293746Sjulian sc->my_cdata.my_tx_tail = NULL; 133393746Sjulian break; 133493746Sjulian } 133593746Sjulian sc->my_cdata.my_tx_head = cur_tx->my_nextdesc; 133693746Sjulian } 133793746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced) { 133893746Sjulian ifp->if_collisions += (CSR_READ_4(sc, MY_TSR) & MY_NCRMask); 133993746Sjulian } 134093746Sjulian MY_UNLOCK(sc); 134193746Sjulian return; 134293746Sjulian} 134393746Sjulian 134493746Sjulian/* 134593746Sjulian * TX 'end of channel' interrupt handler. 134693746Sjulian */ 134793746Sjulianstatic void 134893746Sjulianmy_txeoc(struct my_softc * sc) 134993746Sjulian{ 135093746Sjulian struct ifnet *ifp; 135193746Sjulian 135293746Sjulian MY_LOCK(sc); 135393746Sjulian ifp = &sc->arpcom.ac_if; 135493746Sjulian ifp->if_timer = 0; 135593746Sjulian if (sc->my_cdata.my_tx_head == NULL) { 135693746Sjulian ifp->if_flags &= ~IFF_OACTIVE; 135793746Sjulian sc->my_cdata.my_tx_tail = NULL; 135893746Sjulian if (sc->my_want_auto) 135993746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 136093746Sjulian } else { 136193746Sjulian if (MY_TXOWN(sc->my_cdata.my_tx_head) == MY_UNSENT) { 136293746Sjulian MY_TXOWN(sc->my_cdata.my_tx_head) = MY_OWNByNIC; 136393746Sjulian ifp->if_timer = 5; 136493746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); 136593746Sjulian } 136693746Sjulian } 136793746Sjulian MY_UNLOCK(sc); 136893746Sjulian return; 136993746Sjulian} 137093746Sjulian 137193746Sjulianstatic void 137293746Sjulianmy_intr(void *arg) 137393746Sjulian{ 137493746Sjulian struct my_softc *sc; 137593746Sjulian struct ifnet *ifp; 137693746Sjulian u_int32_t status; 137793746Sjulian 137893746Sjulian sc = arg; 137993746Sjulian MY_LOCK(sc); 138093746Sjulian ifp = &sc->arpcom.ac_if; 138193746Sjulian if (!(ifp->if_flags & IFF_UP)) { 138293746Sjulian MY_UNLOCK(sc); 138393746Sjulian return; 138493746Sjulian } 138593746Sjulian /* Disable interrupts. */ 138693746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 138793746Sjulian 138893746Sjulian for (;;) { 138993746Sjulian status = CSR_READ_4(sc, MY_ISR); 139093746Sjulian status &= MY_INTRS; 139193746Sjulian if (status) 139293746Sjulian CSR_WRITE_4(sc, MY_ISR, status); 139393746Sjulian else 139493746Sjulian break; 139593746Sjulian 139693746Sjulian if (status & MY_RI) /* receive interrupt */ 139793746Sjulian my_rxeof(sc); 139893746Sjulian 139993746Sjulian if ((status & MY_RBU) || (status & MY_RxErr)) { 140093746Sjulian /* rx buffer unavailable or rx error */ 140193746Sjulian ifp->if_ierrors++; 140293746Sjulian#ifdef foo 140393746Sjulian my_stop(sc); 140493746Sjulian my_reset(sc); 140593746Sjulian my_init(sc); 140693746Sjulian#endif 140793746Sjulian } 140893746Sjulian if (status & MY_TI) /* tx interrupt */ 140993746Sjulian my_txeof(sc); 141093746Sjulian if (status & MY_ETI) /* tx early interrupt */ 141193746Sjulian my_txeof(sc); 141293746Sjulian if (status & MY_TBU) /* tx buffer unavailable */ 141393746Sjulian my_txeoc(sc); 141494863Sjulian 141594863Sjulian#if 0 /* 90/1/18 delete */ 141694863Sjulian if (status & MY_FBE) { 141794863Sjulian my_reset(sc); 141894863Sjulian my_init(sc); 141994863Sjulian } 142094863Sjulian#endif 142194863Sjulian 142293746Sjulian } 142393746Sjulian 142493746Sjulian /* Re-enable interrupts. */ 142593746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 142693746Sjulian if (ifp->if_snd.ifq_head != NULL) 142793746Sjulian my_start(ifp); 142893746Sjulian MY_UNLOCK(sc); 142993746Sjulian return; 143093746Sjulian} 143193746Sjulian 143293746Sjulian/* 143393746Sjulian * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data 143493746Sjulian * pointers to the fragment pointers. 143593746Sjulian */ 143693746Sjulianstatic int 143793746Sjulianmy_encap(struct my_softc * sc, struct my_chain * c, struct mbuf * m_head) 143893746Sjulian{ 143993746Sjulian struct my_desc *f = NULL; 144093746Sjulian int total_len; 144193746Sjulian struct mbuf *m, *m_new = NULL; 144293746Sjulian 144393746Sjulian MY_LOCK(sc); 144493746Sjulian /* calculate the total tx pkt length */ 144593746Sjulian total_len = 0; 144693746Sjulian for (m = m_head; m != NULL; m = m->m_next) 144793746Sjulian total_len += m->m_len; 144893746Sjulian /* 144993746Sjulian * Start packing the mbufs in this chain into the fragment pointers. 145093746Sjulian * Stop when we run out of fragments or hit the end of the mbuf 145193746Sjulian * chain. 145293746Sjulian */ 145393746Sjulian m = m_head; 145493746Sjulian MGETHDR(m_new, M_DONTWAIT, MT_DATA); 145593746Sjulian if (m_new == NULL) { 145693746Sjulian printf("my%d: no memory for tx list", sc->my_unit); 145795939Sjulian MY_UNLOCK(sc); 145893746Sjulian return (1); 145993746Sjulian } 146093746Sjulian if (m_head->m_pkthdr.len > MHLEN) { 146193746Sjulian MCLGET(m_new, M_DONTWAIT); 146293746Sjulian if (!(m_new->m_flags & M_EXT)) { 146393746Sjulian m_freem(m_new); 146493746Sjulian printf("my%d: no memory for tx list", sc->my_unit); 146595939Sjulian MY_UNLOCK(sc); 146693746Sjulian return (1); 146793746Sjulian } 146893746Sjulian } 146993746Sjulian m_copydata(m_head, 0, m_head->m_pkthdr.len, mtod(m_new, caddr_t)); 147093746Sjulian m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len; 147193746Sjulian m_freem(m_head); 147293746Sjulian m_head = m_new; 147393746Sjulian f = &c->my_ptr->my_frag[0]; 147493746Sjulian f->my_status = 0; 147593746Sjulian f->my_data = vtophys(mtod(m_new, caddr_t)); 147693746Sjulian total_len = m_new->m_len; 147793746Sjulian f->my_ctl = MY_TXFD | MY_TXLD | MY_CRCEnable | MY_PADEnable; 147893746Sjulian f->my_ctl |= total_len << MY_PKTShift; /* pkt size */ 147993746Sjulian f->my_ctl |= total_len; /* buffer size */ 148094904Sjulian /* 89/12/29 add, for mtd891 *//* [ 89? ] */ 148193746Sjulian if (sc->my_info->my_did == MTD891ID) 148293746Sjulian f->my_ctl |= MY_ETIControl | MY_RetryTxLC; 148393746Sjulian c->my_mbuf = m_head; 148493746Sjulian c->my_lastdesc = 0; 148593746Sjulian MY_TXNEXT(c) = vtophys(&c->my_nextdesc->my_ptr->my_frag[0]); 148693746Sjulian MY_UNLOCK(sc); 148793746Sjulian return (0); 148893746Sjulian} 148993746Sjulian 149093746Sjulian/* 149193746Sjulian * Main transmit routine. To avoid having to do mbuf copies, we put pointers 149293746Sjulian * to the mbuf data regions directly in the transmit lists. We also save a 149393746Sjulian * copy of the pointers since the transmit list fragment pointers are 149493746Sjulian * physical addresses. 149593746Sjulian */ 149693746Sjulianstatic void 149793746Sjulianmy_start(struct ifnet * ifp) 149893746Sjulian{ 149993746Sjulian struct my_softc *sc; 150093746Sjulian struct mbuf *m_head = NULL; 150193746Sjulian struct my_chain *cur_tx = NULL, *start_tx; 150293746Sjulian 150393746Sjulian sc = ifp->if_softc; 150493746Sjulian MY_LOCK(sc); 150593746Sjulian if (sc->my_autoneg) { 150693746Sjulian sc->my_tx_pend = 1; 150793746Sjulian MY_UNLOCK(sc); 150893746Sjulian return; 150993746Sjulian } 151093746Sjulian /* 151193746Sjulian * Check for an available queue slot. If there are none, punt. 151293746Sjulian */ 151393746Sjulian if (sc->my_cdata.my_tx_free->my_mbuf != NULL) { 151493746Sjulian ifp->if_flags |= IFF_OACTIVE; 151593746Sjulian MY_UNLOCK(sc); 151693746Sjulian return; 151793746Sjulian } 151893746Sjulian start_tx = sc->my_cdata.my_tx_free; 151993746Sjulian while (sc->my_cdata.my_tx_free->my_mbuf == NULL) { 152093746Sjulian IF_DEQUEUE(&ifp->if_snd, m_head); 152193746Sjulian if (m_head == NULL) 152293746Sjulian break; 152393746Sjulian 152493746Sjulian /* Pick a descriptor off the free list. */ 152593746Sjulian cur_tx = sc->my_cdata.my_tx_free; 152693746Sjulian sc->my_cdata.my_tx_free = cur_tx->my_nextdesc; 152793746Sjulian 152893746Sjulian /* Pack the data into the descriptor. */ 152993746Sjulian my_encap(sc, cur_tx, m_head); 153093746Sjulian 153193746Sjulian if (cur_tx != start_tx) 153293746Sjulian MY_TXOWN(cur_tx) = MY_OWNByNIC; 153393746Sjulian#if NBPFILTER > 0 153493746Sjulian /* 153593746Sjulian * If there's a BPF listener, bounce a copy of this frame to 153693746Sjulian * him. 153793746Sjulian */ 1538106937Ssam BPF_MTAP(ifp, cur_tx->my_mbuf); 153993746Sjulian#endif 154093746Sjulian } 154193746Sjulian /* 154293746Sjulian * If there are no packets queued, bail. 154393746Sjulian */ 154493746Sjulian if (cur_tx == NULL) { 154593746Sjulian MY_UNLOCK(sc); 154693746Sjulian return; 154793746Sjulian } 154893746Sjulian /* 154993746Sjulian * Place the request for the upload interrupt in the last descriptor 155093746Sjulian * in the chain. This way, if we're chaining several packets at once, 155193746Sjulian * we'll only get an interupt once for the whole chain rather than 155293746Sjulian * once for each packet. 155393746Sjulian */ 155493746Sjulian MY_TXCTL(cur_tx) |= MY_TXIC; 155593746Sjulian cur_tx->my_ptr->my_frag[0].my_ctl |= MY_TXIC; 155693746Sjulian sc->my_cdata.my_tx_tail = cur_tx; 155793746Sjulian if (sc->my_cdata.my_tx_head == NULL) 155893746Sjulian sc->my_cdata.my_tx_head = start_tx; 155993746Sjulian MY_TXOWN(start_tx) = MY_OWNByNIC; 156093746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); /* tx polling demand */ 156193746Sjulian 156293746Sjulian /* 156393746Sjulian * Set a timeout in case the chip goes out to lunch. 156493746Sjulian */ 156593746Sjulian ifp->if_timer = 5; 156693746Sjulian MY_UNLOCK(sc); 156793746Sjulian return; 156893746Sjulian} 156993746Sjulian 157093746Sjulianstatic void 157193746Sjulianmy_init(void *xsc) 157293746Sjulian{ 157393746Sjulian struct my_softc *sc = xsc; 157493746Sjulian struct ifnet *ifp = &sc->arpcom.ac_if; 157593746Sjulian int s; 157693746Sjulian u_int16_t phy_bmcr = 0; 157793746Sjulian 157893746Sjulian MY_LOCK(sc); 157993746Sjulian if (sc->my_autoneg) { 158093746Sjulian MY_UNLOCK(sc); 158193746Sjulian return; 158293746Sjulian } 158393746Sjulian s = splimp(); 158493746Sjulian if (sc->my_pinfo != NULL) 158593746Sjulian phy_bmcr = my_phy_readreg(sc, PHY_BMCR); 158693746Sjulian /* 158793746Sjulian * Cancel pending I/O and free all RX/TX buffers. 158893746Sjulian */ 158993746Sjulian my_stop(sc); 159093746Sjulian my_reset(sc); 159193746Sjulian 159293746Sjulian /* 159393746Sjulian * Set cache alignment and burst length. 159493746Sjulian */ 159594863Sjulian#if 0 /* 89/9/1 modify, */ 159694863Sjulian CSR_WRITE_4(sc, MY_BCR, MY_RPBLE512); 159794863Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF); 159894863Sjulian#endif 159993746Sjulian CSR_WRITE_4(sc, MY_BCR, MY_PBL8); 160093746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF | MY_RBLEN | MY_RPBLE512); 160193746Sjulian /* 160293746Sjulian * 89/12/29 add, for mtd891, 160393746Sjulian */ 160493746Sjulian if (sc->my_info->my_did == MTD891ID) { 160593746Sjulian MY_SETBIT(sc, MY_BCR, MY_PROG); 160693746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_Enhanced); 160793746Sjulian } 160893746Sjulian my_setcfg(sc, phy_bmcr); 160993746Sjulian /* Init circular RX list. */ 161093746Sjulian if (my_list_rx_init(sc) == ENOBUFS) { 161193746Sjulian printf("my%d: init failed: no memory for rx buffers\n", 161293746Sjulian sc->my_unit); 161393746Sjulian my_stop(sc); 161493746Sjulian (void)splx(s); 161593746Sjulian MY_UNLOCK(sc); 161693746Sjulian return; 161793746Sjulian } 161893746Sjulian /* Init TX descriptors. */ 161993746Sjulian my_list_tx_init(sc); 162093746Sjulian 162193746Sjulian /* If we want promiscuous mode, set the allframes bit. */ 162293746Sjulian if (ifp->if_flags & IFF_PROMISC) 162393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PROM); 162493746Sjulian else 162593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PROM); 162693746Sjulian 162793746Sjulian /* 162893746Sjulian * Set capture broadcast bit to capture broadcast frames. 162993746Sjulian */ 163093746Sjulian if (ifp->if_flags & IFF_BROADCAST) 163193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_AB); 163293746Sjulian else 163393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_AB); 163493746Sjulian 163593746Sjulian /* 163693746Sjulian * Program the multicast filter, if necessary. 163793746Sjulian */ 163893746Sjulian my_setmulti(sc); 163993746Sjulian 164093746Sjulian /* 164193746Sjulian * Load the address of the RX list. 164293746Sjulian */ 164393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_RE); 164493746Sjulian CSR_WRITE_4(sc, MY_RXLBA, vtophys(&sc->my_ldata->my_rx_list[0])); 164593746Sjulian 164693746Sjulian /* 164793746Sjulian * Enable interrupts. 164893746Sjulian */ 164993746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 165093746Sjulian CSR_WRITE_4(sc, MY_ISR, 0xFFFFFFFF); 165193746Sjulian 165293746Sjulian /* Enable receiver and transmitter. */ 165393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_RE); 165493746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_TE); 165593746Sjulian CSR_WRITE_4(sc, MY_TXLBA, vtophys(&sc->my_ldata->my_tx_list[0])); 165693746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE); 165793746Sjulian 165893746Sjulian /* Restore state of BMCR */ 165993746Sjulian if (sc->my_pinfo != NULL) 166093746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_bmcr); 166193746Sjulian ifp->if_flags |= IFF_RUNNING; 166293746Sjulian ifp->if_flags &= ~IFF_OACTIVE; 166393746Sjulian (void)splx(s); 166493746Sjulian MY_UNLOCK(sc); 166593746Sjulian return; 166693746Sjulian} 166793746Sjulian 166893746Sjulian/* 166993746Sjulian * Set media options. 167093746Sjulian */ 167193746Sjulian 167293746Sjulianstatic int 167393746Sjulianmy_ifmedia_upd(struct ifnet * ifp) 167493746Sjulian{ 167593746Sjulian struct my_softc *sc; 167693746Sjulian struct ifmedia *ifm; 167793746Sjulian 167893746Sjulian sc = ifp->if_softc; 167993746Sjulian MY_LOCK(sc); 168093746Sjulian ifm = &sc->ifmedia; 168193746Sjulian if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) { 168293746Sjulian MY_UNLOCK(sc); 168393746Sjulian return (EINVAL); 168493746Sjulian } 168593746Sjulian if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) 168693746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 168793746Sjulian else 168893746Sjulian my_setmode_mii(sc, ifm->ifm_media); 168993746Sjulian MY_UNLOCK(sc); 169093746Sjulian return (0); 169193746Sjulian} 169293746Sjulian 169393746Sjulian/* 169493746Sjulian * Report current media status. 169593746Sjulian */ 169693746Sjulian 169793746Sjulianstatic void 169893746Sjulianmy_ifmedia_sts(struct ifnet * ifp, struct ifmediareq * ifmr) 169993746Sjulian{ 170093746Sjulian struct my_softc *sc; 170193746Sjulian u_int16_t advert = 0, ability = 0; 170293746Sjulian 170393746Sjulian sc = ifp->if_softc; 170493746Sjulian MY_LOCK(sc); 170593746Sjulian ifmr->ifm_active = IFM_ETHER; 170693746Sjulian if (!(my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_AUTONEGENBL)) { 170794863Sjulian#if 0 /* this version did not support 1000M, */ 170894863Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_1000) 170994863Sjulian ifmr->ifm_active = IFM_ETHER | IFM_1000TX; 171094863Sjulian#endif 171193746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_SPEEDSEL) 171293746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX; 171393746Sjulian else 171493746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T; 171593746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_DUPLEX) 171693746Sjulian ifmr->ifm_active |= IFM_FDX; 171793746Sjulian else 171893746Sjulian ifmr->ifm_active |= IFM_HDX; 171993746Sjulian 172093746Sjulian MY_UNLOCK(sc); 172193746Sjulian return; 172293746Sjulian } 172393746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 172493746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 172593746Sjulian 172694863Sjulian#if 0 /* this version did not support 1000M, */ 172793746Sjulian if (sc->my_pinfo->my_vid = MarvellPHYID0) { 172893746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 172993746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 173093746Sjulian advert = 0; 173193746Sjulian ability = 0; 173295673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_FDX; 173393746Sjulian } else if (ability & PHY_1000SR_1000BTXHALF) { 173493746Sjulian advert = 0; 173593746Sjulian ability = 0; 173695673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_HDX; 173793746Sjulian } 173893746Sjulian } 173993746Sjulian#endif 174093746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) 174193746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_T4; 174293746Sjulian else if (advert & PHY_ANAR_100BTXFULL && ability & PHY_ANAR_100BTXFULL) 174393746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_FDX; 174493746Sjulian else if (advert & PHY_ANAR_100BTXHALF && ability & PHY_ANAR_100BTXHALF) 174593746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_HDX; 174693746Sjulian else if (advert & PHY_ANAR_10BTFULL && ability & PHY_ANAR_10BTFULL) 174793746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_FDX; 174893746Sjulian else if (advert & PHY_ANAR_10BTHALF && ability & PHY_ANAR_10BTHALF) 174993746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_HDX; 175093746Sjulian MY_UNLOCK(sc); 175193746Sjulian return; 175293746Sjulian} 175393746Sjulian 175493746Sjulianstatic int 175593746Sjulianmy_ioctl(struct ifnet * ifp, u_long command, caddr_t data) 175693746Sjulian{ 175793746Sjulian struct my_softc *sc = ifp->if_softc; 175893746Sjulian struct ifreq *ifr = (struct ifreq *) data; 175993746Sjulian int s, error = 0; 176093746Sjulian 176193746Sjulian s = splimp(); 176293746Sjulian MY_LOCK(sc); 176393746Sjulian switch (command) { 176493746Sjulian case SIOCSIFFLAGS: 176593746Sjulian if (ifp->if_flags & IFF_UP) 176693746Sjulian my_init(sc); 176793746Sjulian else if (ifp->if_flags & IFF_RUNNING) 176893746Sjulian my_stop(sc); 176993746Sjulian error = 0; 177093746Sjulian break; 177193746Sjulian case SIOCADDMULTI: 177293746Sjulian case SIOCDELMULTI: 177393746Sjulian my_setmulti(sc); 177493746Sjulian error = 0; 177593746Sjulian break; 177693746Sjulian case SIOCGIFMEDIA: 177793746Sjulian case SIOCSIFMEDIA: 177893746Sjulian error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command); 177993746Sjulian break; 178093746Sjulian default: 1781106937Ssam error = ether_ioctl(ifp, command, data); 178293746Sjulian break; 178393746Sjulian } 178493746Sjulian MY_UNLOCK(sc); 178593746Sjulian (void)splx(s); 178693746Sjulian return (error); 178793746Sjulian} 178893746Sjulian 178993746Sjulianstatic void 179093746Sjulianmy_watchdog(struct ifnet * ifp) 179193746Sjulian{ 179293746Sjulian struct my_softc *sc; 179393746Sjulian 179493746Sjulian sc = ifp->if_softc; 179593746Sjulian MY_LOCK(sc); 179693746Sjulian if (sc->my_autoneg) { 179793746Sjulian my_autoneg_mii(sc, MY_FLAG_DELAYTIMEO, 1); 179893746Sjulian MY_UNLOCK(sc); 179993746Sjulian return; 180093746Sjulian } 180193746Sjulian ifp->if_oerrors++; 180293746Sjulian printf("my%d: watchdog timeout\n", sc->my_unit); 180393746Sjulian if (!(my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT)) 180493746Sjulian printf("my%d: no carrier - transceiver cable problem?\n", 180593746Sjulian sc->my_unit); 180693746Sjulian my_stop(sc); 180793746Sjulian my_reset(sc); 180893746Sjulian my_init(sc); 180993746Sjulian if (ifp->if_snd.ifq_head != NULL) 181093746Sjulian my_start(ifp); 181193746Sjulian MY_LOCK(sc); 181293746Sjulian return; 181393746Sjulian} 181493746Sjulian 181593746Sjulian 181693746Sjulian/* 181793746Sjulian * Stop the adapter and free any mbufs allocated to the RX and TX lists. 181893746Sjulian */ 181993746Sjulianstatic void 182093746Sjulianmy_stop(struct my_softc * sc) 182193746Sjulian{ 182293746Sjulian register int i; 182393746Sjulian struct ifnet *ifp; 182493746Sjulian 182593746Sjulian MY_LOCK(sc); 182693746Sjulian ifp = &sc->arpcom.ac_if; 182793746Sjulian ifp->if_timer = 0; 182893746Sjulian 182993746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_RE | MY_TE)); 183093746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 183193746Sjulian CSR_WRITE_4(sc, MY_TXLBA, 0x00000000); 183293746Sjulian CSR_WRITE_4(sc, MY_RXLBA, 0x00000000); 183393746Sjulian 183493746Sjulian /* 183593746Sjulian * Free data in the RX lists. 183693746Sjulian */ 183793746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 183893746Sjulian if (sc->my_cdata.my_rx_chain[i].my_mbuf != NULL) { 183993746Sjulian m_freem(sc->my_cdata.my_rx_chain[i].my_mbuf); 184093746Sjulian sc->my_cdata.my_rx_chain[i].my_mbuf = NULL; 184193746Sjulian } 184293746Sjulian } 184393746Sjulian bzero((char *)&sc->my_ldata->my_rx_list, 184493746Sjulian sizeof(sc->my_ldata->my_rx_list)); 184593746Sjulian /* 184693746Sjulian * Free the TX list buffers. 184793746Sjulian */ 184893746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 184993746Sjulian if (sc->my_cdata.my_tx_chain[i].my_mbuf != NULL) { 185093746Sjulian m_freem(sc->my_cdata.my_tx_chain[i].my_mbuf); 185193746Sjulian sc->my_cdata.my_tx_chain[i].my_mbuf = NULL; 185293746Sjulian } 185393746Sjulian } 185493746Sjulian bzero((char *)&sc->my_ldata->my_tx_list, 185593746Sjulian sizeof(sc->my_ldata->my_tx_list)); 185693746Sjulian ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 185793746Sjulian MY_UNLOCK(sc); 185893746Sjulian return; 185993746Sjulian} 186093746Sjulian 186193746Sjulian/* 186293746Sjulian * Stop all chip I/O so that the kernel's probe routines don't get confused 186393746Sjulian * by errant DMAs when rebooting. 186493746Sjulian */ 186593746Sjulianstatic void 186693746Sjulianmy_shutdown(device_t dev) 186793746Sjulian{ 186893746Sjulian struct my_softc *sc; 186993746Sjulian 187093746Sjulian sc = device_get_softc(dev); 187193746Sjulian my_stop(sc); 187293746Sjulian return; 187393746Sjulian} 187495939Sjulian 187595939Sjulian 1876