if_my.c revision 95673
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 95673 2002-04-28 20:34:20Z phk $ 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> 4393746Sjulian 4493746Sjulian#define NBPFILTER 1 4593746Sjulian 4693746Sjulian#include <net/if.h> 4793746Sjulian#include <net/if_arp.h> 4893746Sjulian#include <net/ethernet.h> 4993746Sjulian#include <net/if_media.h> 5093746Sjulian#include <net/if_dl.h> 5193746Sjulian#include <net/bpf.h> 5293746Sjulian 5393746Sjulian#include <vm/vm.h> /* for vtophys */ 5493746Sjulian#include <vm/pmap.h> /* for vtophys */ 5593746Sjulian#include <machine/clock.h> /* for DELAY */ 5693746Sjulian#include <machine/bus_memio.h> 5793746Sjulian#include <machine/bus_pio.h> 5893746Sjulian#include <machine/bus.h> 5993746Sjulian#include <machine/resource.h> 6093746Sjulian#include <sys/bus.h> 6193746Sjulian#include <sys/rman.h> 6293746Sjulian 6393746Sjulian#include <pci/pcireg.h> 6493746Sjulian#include <pci/pcivar.h> 6593746Sjulian 6693746Sjulian#include <dev/mii/mii.h> 6793746Sjulian#include <dev/mii/miivar.h> 6893746Sjulian 6993746Sjulian#include "miibus_if.h" 7093746Sjulian 7193746Sjulian/* 7293746Sjulian * #define MY_USEIOSPACE 7393746Sjulian */ 7493746Sjulian 7593746Sjulianstatic int MY_USEIOSPACE = 1; 7693746Sjulian 7793746Sjulian#if (MY_USEIOSPACE) 7894904Sjulian#define MY_RES SYS_RES_IOPORT 7994904Sjulian#define MY_RID MY_PCI_LOIO 8093746Sjulian#else 8194904Sjulian#define MY_RES SYS_RES_MEMORY 8294904Sjulian#define MY_RID MY_PCI_LOMEM 8393746Sjulian#endif 8493746Sjulian 8593746Sjulian 8693746Sjulian#include <dev/my/if_myreg.h> 8793746Sjulian 8893746Sjulian#ifndef lint 8993746Sjulianstatic const char rcsid[] = 9093746Sjulian"$Id: if_my.c,v 1.50 2001/12/03 04:15:33 <yen_cw@myson.com.tw> wpaul Exp $"; 9193746Sjulian#endif 9293746Sjulian 9393746Sjulian/* 9493746Sjulian * Various supported device vendors/types and their names. 9593746Sjulian */ 9693746Sjulianstruct my_type *my_info_tmp; 9793746Sjulianstatic struct my_type my_devs[] = { 9893746Sjulian {MYSONVENDORID, MTD800ID, "Myson MTD80X Based Fast Ethernet Card"}, 9993746Sjulian {MYSONVENDORID, MTD803ID, "Myson MTD80X Based Fast Ethernet Card"}, 10093746Sjulian {MYSONVENDORID, MTD891ID, "Myson MTD89X Based Giga Ethernet Card"}, 10193746Sjulian {0, 0, NULL} 10293746Sjulian}; 10393746Sjulian 10493746Sjulian/* 10593746Sjulian * Various supported PHY vendors/types and their names. Note that this driver 10693746Sjulian * will work with pretty much any MII-compliant PHY, so failure to positively 10793746Sjulian * identify the chip is not a fatal error. 10893746Sjulian */ 10993746Sjulianstatic struct my_type my_phys[] = { 11093746Sjulian {MysonPHYID0, MysonPHYID0, "<MYSON MTD981>"}, 11193746Sjulian {SeeqPHYID0, SeeqPHYID0, "<SEEQ 80225>"}, 11293746Sjulian {AhdocPHYID0, AhdocPHYID0, "<AHDOC 101>"}, 11393746Sjulian {MarvellPHYID0, MarvellPHYID0, "<MARVELL 88E1000>"}, 11493746Sjulian {LevelOnePHYID0, LevelOnePHYID0, "<LevelOne LXT1000>"}, 11593746Sjulian {0, 0, "<MII-compliant physical interface>"} 11693746Sjulian}; 11793746Sjulian 11893746Sjulianstatic int my_probe(device_t); 11993746Sjulianstatic int my_attach(device_t); 12093746Sjulianstatic int my_detach(device_t); 12193746Sjulianstatic int my_newbuf(struct my_softc *, struct my_chain_onefrag *); 12293746Sjulianstatic int my_encap(struct my_softc *, struct my_chain *, struct mbuf *); 12393746Sjulianstatic void my_rxeof(struct my_softc *); 12493746Sjulianstatic void my_txeof(struct my_softc *); 12593746Sjulianstatic void my_txeoc(struct my_softc *); 12693746Sjulianstatic void my_intr(void *); 12793746Sjulianstatic void my_start(struct ifnet *); 12893746Sjulianstatic int my_ioctl(struct ifnet *, u_long, caddr_t); 12993746Sjulianstatic void my_init(void *); 13093746Sjulianstatic void my_stop(struct my_softc *); 13193746Sjulianstatic void my_watchdog(struct ifnet *); 13293746Sjulianstatic void my_shutdown(device_t); 13393746Sjulianstatic int my_ifmedia_upd(struct ifnet *); 13493746Sjulianstatic void my_ifmedia_sts(struct ifnet *, struct ifmediareq *); 13593746Sjulianstatic u_int16_t my_phy_readreg(struct my_softc *, int); 13693746Sjulianstatic void my_phy_writereg(struct my_softc *, int, int); 13793746Sjulianstatic void my_autoneg_xmit(struct my_softc *); 13893746Sjulianstatic void my_autoneg_mii(struct my_softc *, int, int); 13993746Sjulianstatic void my_setmode_mii(struct my_softc *, int); 14093746Sjulianstatic void my_getmode_mii(struct my_softc *); 14193746Sjulianstatic void my_setcfg(struct my_softc *, int); 14293746Sjulianstatic u_int8_t my_calchash(caddr_t); 14393746Sjulianstatic void my_setmulti(struct my_softc *); 14493746Sjulianstatic void my_reset(struct my_softc *); 14593746Sjulianstatic int my_list_rx_init(struct my_softc *); 14693746Sjulianstatic int my_list_tx_init(struct my_softc *); 14793746Sjulianstatic long my_send_cmd_to_phy(struct my_softc *, int, int); 14893746Sjulian 14993746Sjulian#define MY_SETBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) | x) 15093746Sjulian#define MY_CLRBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) & ~x) 15193746Sjulian 15293746Sjulianstatic device_method_t my_methods[] = { 15393746Sjulian /* Device interface */ 15493746Sjulian DEVMETHOD(device_probe, my_probe), 15593746Sjulian DEVMETHOD(device_attach, my_attach), 15693746Sjulian DEVMETHOD(device_detach, my_detach), 15793746Sjulian DEVMETHOD(device_shutdown, my_shutdown), 15893746Sjulian 15993746Sjulian {0, 0} 16093746Sjulian}; 16193746Sjulian 16293746Sjulianstatic driver_t my_driver = { 16393746Sjulian "my", 16493746Sjulian my_methods, 16593746Sjulian sizeof(struct my_softc) 16693746Sjulian}; 16793746Sjulian 16893746Sjulianstatic devclass_t my_devclass; 16993746Sjulian 17093746SjulianDRIVER_MODULE(if_my, pci, my_driver, my_devclass, 0, 0); 17193746Sjulian 17293746Sjulianstatic long 17393746Sjulianmy_send_cmd_to_phy(struct my_softc * sc, int opcode, int regad) 17493746Sjulian{ 17593746Sjulian long miir; 17693746Sjulian int i; 17793746Sjulian int mask, data; 17893746Sjulian 17993746Sjulian MY_LOCK(sc); 18093746Sjulian 18193746Sjulian /* enable MII output */ 18293746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 18393746Sjulian miir &= 0xfffffff0; 18493746Sjulian 18593746Sjulian miir |= MY_MASK_MIIR_MII_WRITE + MY_MASK_MIIR_MII_MDO; 18693746Sjulian 18793746Sjulian /* send 32 1's preamble */ 18893746Sjulian for (i = 0; i < 32; i++) { 18993746Sjulian /* low MDC; MDO is already high (miir) */ 19093746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 19193746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19293746Sjulian 19393746Sjulian /* high MDC */ 19493746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 19593746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19693746Sjulian } 19793746Sjulian 19893746Sjulian /* calculate ST+OP+PHYAD+REGAD+TA */ 19993746Sjulian data = opcode | (sc->my_phy_addr << 7) | (regad << 2); 20093746Sjulian 20193746Sjulian /* sent out */ 20293746Sjulian mask = 0x8000; 20393746Sjulian while (mask) { 20493746Sjulian /* low MDC, prepare MDO */ 20593746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 20693746Sjulian if (mask & data) 20793746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 20893746Sjulian 20993746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21093746Sjulian /* high MDC */ 21193746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 21293746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21393746Sjulian DELAY(30); 21493746Sjulian 21593746Sjulian /* next */ 21693746Sjulian mask >>= 1; 21793746Sjulian if (mask == 0x2 && opcode == MY_OP_READ) 21893746Sjulian miir &= ~MY_MASK_MIIR_MII_WRITE; 21993746Sjulian } 22093746Sjulian 22193746Sjulian MY_UNLOCK(sc); 22293746Sjulian return miir; 22393746Sjulian} 22493746Sjulian 22593746Sjulian 22693746Sjulianstatic u_int16_t 22793746Sjulianmy_phy_readreg(struct my_softc * sc, int reg) 22893746Sjulian{ 22993746Sjulian long miir; 23093746Sjulian int mask, data; 23193746Sjulian 23293746Sjulian MY_LOCK(sc); 23393746Sjulian 23493746Sjulian if (sc->my_info->my_did == MTD803ID) 23593746Sjulian data = CSR_READ_2(sc, MY_PHYBASE + reg * 2); 23693746Sjulian else { 23793746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_READ, reg); 23893746Sjulian 23993746Sjulian /* read data */ 24093746Sjulian mask = 0x8000; 24193746Sjulian data = 0; 24293746Sjulian while (mask) { 24393746Sjulian /* low MDC */ 24493746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 24593746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 24693746Sjulian 24793746Sjulian /* read MDI */ 24893746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 24993746Sjulian if (miir & MY_MASK_MIIR_MII_MDI) 25093746Sjulian data |= mask; 25193746Sjulian 25293746Sjulian /* high MDC, and wait */ 25393746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 25493746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 25593746Sjulian DELAY(30); 25693746Sjulian 25793746Sjulian /* next */ 25893746Sjulian mask >>= 1; 25993746Sjulian } 26093746Sjulian 26193746Sjulian /* low MDC */ 26293746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 26393746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 26493746Sjulian } 26593746Sjulian 26693746Sjulian MY_UNLOCK(sc); 26793746Sjulian return (u_int16_t) data; 26893746Sjulian} 26993746Sjulian 27093746Sjulian 27193746Sjulianstatic void 27293746Sjulianmy_phy_writereg(struct my_softc * sc, int reg, int data) 27393746Sjulian{ 27493746Sjulian long miir; 27593746Sjulian int mask; 27693746Sjulian 27793746Sjulian MY_LOCK(sc); 27893746Sjulian 27993746Sjulian if (sc->my_info->my_did == MTD803ID) 28093746Sjulian CSR_WRITE_2(sc, MY_PHYBASE + reg * 2, data); 28193746Sjulian else { 28293746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_WRITE, reg); 28393746Sjulian 28493746Sjulian /* write data */ 28593746Sjulian mask = 0x8000; 28693746Sjulian while (mask) { 28793746Sjulian /* low MDC, prepare MDO */ 28893746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 28993746Sjulian if (mask & data) 29093746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 29193746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29293746Sjulian DELAY(1); 29393746Sjulian 29493746Sjulian /* high MDC */ 29593746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 29693746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29793746Sjulian DELAY(1); 29893746Sjulian 29993746Sjulian /* next */ 30093746Sjulian mask >>= 1; 30193746Sjulian } 30293746Sjulian 30393746Sjulian /* low MDC */ 30493746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 30593746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 30693746Sjulian } 30793746Sjulian MY_UNLOCK(sc); 30893746Sjulian return; 30993746Sjulian} 31093746Sjulian 31193746Sjulianstatic u_int8_t 31293746Sjulianmy_calchash(caddr_t addr) 31393746Sjulian{ 31493746Sjulian u_int32_t crc, carry; 31593746Sjulian int i, j; 31693746Sjulian u_int8_t c; 31793746Sjulian 31893746Sjulian /* Compute CRC for the address value. */ 31993746Sjulian crc = 0xFFFFFFFF; /* initial value */ 32093746Sjulian 32193746Sjulian for (i = 0; i < 6; i++) { 32293746Sjulian c = *(addr + i); 32393746Sjulian for (j = 0; j < 8; j++) { 32493746Sjulian carry = ((crc & 0x80000000) ? 1 : 0) ^ (c & 0x01); 32593746Sjulian crc <<= 1; 32693746Sjulian c >>= 1; 32793746Sjulian if (carry) 32893746Sjulian crc = (crc ^ 0x04c11db6) | carry; 32993746Sjulian } 33093746Sjulian } 33193746Sjulian 33293746Sjulian /* 33393746Sjulian * return the filter bit position Note: I arrived at the following 33493746Sjulian * nonsense through experimentation. It's not the usual way to 33593746Sjulian * generate the bit position but it's the only thing I could come up 33693746Sjulian * with that works. 33793746Sjulian */ 33893746Sjulian return (~(crc >> 26) & 0x0000003F); 33993746Sjulian} 34093746Sjulian 34193746Sjulian 34293746Sjulian/* 34393746Sjulian * Program the 64-bit multicast hash filter. 34493746Sjulian */ 34593746Sjulianstatic void 34693746Sjulianmy_setmulti(struct my_softc * sc) 34793746Sjulian{ 34893746Sjulian struct ifnet *ifp; 34993746Sjulian int h = 0; 35093746Sjulian u_int32_t hashes[2] = {0, 0}; 35193746Sjulian struct ifmultiaddr *ifma; 35293746Sjulian u_int32_t rxfilt; 35393746Sjulian int mcnt = 0; 35493746Sjulian 35593746Sjulian MY_LOCK(sc); 35693746Sjulian 35793746Sjulian ifp = &sc->arpcom.ac_if; 35893746Sjulian 35993746Sjulian rxfilt = CSR_READ_4(sc, MY_TCRRCR); 36093746Sjulian 36193746Sjulian if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 36293746Sjulian rxfilt |= MY_AM; 36393746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 36493746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0xFFFFFFFF); 36593746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0xFFFFFFFF); 36693746Sjulian 36793746Sjulian MY_UNLOCK(sc); 36893746Sjulian 36993746Sjulian return; 37093746Sjulian } 37193746Sjulian /* first, zot all the existing hash bits */ 37293746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0); 37393746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0); 37493746Sjulian 37593746Sjulian /* now program new ones */ 37693746Sjulian TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 37793746Sjulian if (ifma->ifma_addr->sa_family != AF_LINK) 37893746Sjulian continue; 37993746Sjulian h = my_calchash(LLADDR((struct sockaddr_dl *) ifma->ifma_addr)); 38093746Sjulian if (h < 32) 38193746Sjulian hashes[0] |= (1 << h); 38293746Sjulian else 38393746Sjulian hashes[1] |= (1 << (h - 32)); 38493746Sjulian mcnt++; 38593746Sjulian } 38693746Sjulian 38793746Sjulian if (mcnt) 38893746Sjulian rxfilt |= MY_AM; 38993746Sjulian else 39093746Sjulian rxfilt &= ~MY_AM; 39193746Sjulian CSR_WRITE_4(sc, MY_MAR0, hashes[0]); 39293746Sjulian CSR_WRITE_4(sc, MY_MAR1, hashes[1]); 39393746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 39493746Sjulian MY_UNLOCK(sc); 39593746Sjulian return; 39693746Sjulian} 39793746Sjulian 39893746Sjulian/* 39993746Sjulian * Initiate an autonegotiation session. 40093746Sjulian */ 40193746Sjulianstatic void 40293746Sjulianmy_autoneg_xmit(struct my_softc * sc) 40393746Sjulian{ 40493746Sjulian u_int16_t phy_sts = 0; 40593746Sjulian 40693746Sjulian MY_LOCK(sc); 40793746Sjulian 40893746Sjulian my_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET); 40993746Sjulian DELAY(500); 41093746Sjulian while (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_RESET); 41193746Sjulian 41293746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMCR); 41393746Sjulian phy_sts |= PHY_BMCR_AUTONEGENBL | PHY_BMCR_AUTONEGRSTR; 41493746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_sts); 41593746Sjulian 41693746Sjulian MY_UNLOCK(sc); 41793746Sjulian return; 41893746Sjulian} 41993746Sjulian 42093746Sjulian 42193746Sjulian/* 42293746Sjulian * Invoke autonegotiation on a PHY. 42393746Sjulian */ 42493746Sjulianstatic void 42593746Sjulianmy_autoneg_mii(struct my_softc * sc, int flag, int verbose) 42693746Sjulian{ 42793746Sjulian u_int16_t phy_sts = 0, media, advert, ability; 42893746Sjulian u_int16_t ability2 = 0; 42993746Sjulian struct ifnet *ifp; 43093746Sjulian struct ifmedia *ifm; 43193746Sjulian 43293746Sjulian MY_LOCK(sc); 43393746Sjulian 43493746Sjulian ifm = &sc->ifmedia; 43593746Sjulian ifp = &sc->arpcom.ac_if; 43693746Sjulian 43793746Sjulian ifm->ifm_media = IFM_ETHER | IFM_AUTO; 43893746Sjulian 43993746Sjulian#ifndef FORCE_AUTONEG_TFOUR 44093746Sjulian /* 44193746Sjulian * First, see if autoneg is supported. If not, there's no point in 44293746Sjulian * continuing. 44393746Sjulian */ 44493746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 44593746Sjulian if (!(phy_sts & PHY_BMSR_CANAUTONEG)) { 44693746Sjulian if (verbose) 44793746Sjulian printf("my%d: autonegotiation not supported\n", 44893746Sjulian sc->my_unit); 44993746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 45093746Sjulian MY_UNLOCK(sc); 45193746Sjulian return; 45293746Sjulian } 45393746Sjulian#endif 45493746Sjulian switch (flag) { 45593746Sjulian case MY_FLAG_FORCEDELAY: 45693746Sjulian /* 45793746Sjulian * XXX Never use this option anywhere but in the probe 45893746Sjulian * routine: making the kernel stop dead in its tracks for 45993746Sjulian * three whole seconds after we've gone multi-user is really 46093746Sjulian * bad manners. 46193746Sjulian */ 46293746Sjulian my_autoneg_xmit(sc); 46393746Sjulian DELAY(5000000); 46493746Sjulian break; 46593746Sjulian case MY_FLAG_SCHEDDELAY: 46693746Sjulian /* 46793746Sjulian * Wait for the transmitter to go idle before starting an 46893746Sjulian * autoneg session, otherwise my_start() may clobber our 46993746Sjulian * timeout, and we don't want to allow transmission during an 47093746Sjulian * autoneg session since that can screw it up. 47193746Sjulian */ 47293746Sjulian if (sc->my_cdata.my_tx_head != NULL) { 47393746Sjulian sc->my_want_auto = 1; 47493746Sjulian MY_UNLOCK(sc); 47593746Sjulian return; 47693746Sjulian } 47793746Sjulian my_autoneg_xmit(sc); 47893746Sjulian ifp->if_timer = 5; 47993746Sjulian sc->my_autoneg = 1; 48093746Sjulian sc->my_want_auto = 0; 48193746Sjulian MY_UNLOCK(sc); 48293746Sjulian return; 48393746Sjulian case MY_FLAG_DELAYTIMEO: 48493746Sjulian ifp->if_timer = 0; 48593746Sjulian sc->my_autoneg = 0; 48693746Sjulian break; 48793746Sjulian default: 48893746Sjulian printf("my%d: invalid autoneg flag: %d\n", sc->my_unit, flag); 48993746Sjulian MY_UNLOCK(sc); 49093746Sjulian return; 49193746Sjulian } 49293746Sjulian 49393746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) { 49493746Sjulian if (verbose) 49593746Sjulian printf("my%d: autoneg complete, ", sc->my_unit); 49693746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 49793746Sjulian } else { 49893746Sjulian if (verbose) 49993746Sjulian printf("my%d: autoneg not complete, ", sc->my_unit); 50093746Sjulian } 50193746Sjulian 50293746Sjulian media = my_phy_readreg(sc, PHY_BMCR); 50393746Sjulian 50493746Sjulian /* Link is good. Report modes and set duplex mode. */ 50593746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT) { 50693746Sjulian if (verbose) 50793746Sjulian printf("my%d: link status good. ", sc->my_unit); 50893746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 50993746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 51093746Sjulian if ((sc->my_pinfo->my_vid == MarvellPHYID0) || 51193746Sjulian (sc->my_pinfo->my_vid == LevelOnePHYID0)) { 51293746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 51393746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 51493746Sjulian advert = 0; 51593746Sjulian ability = 0; 51693746Sjulian /* 51793746Sjulian * this version did not support 1000M, 51893746Sjulian * ifm->ifm_media = 51995673Sphk * IFM_ETHER|IFM_1000_T|IFM_FDX; 52093746Sjulian */ 52193746Sjulian ifm->ifm_media = 52293746Sjulian IFM_ETHER | IFM_100_TX | IFM_FDX; 52393746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 52493746Sjulian media |= PHY_BMCR_1000; 52593746Sjulian media |= PHY_BMCR_DUPLEX; 52693746Sjulian printf("(full-duplex, 1000Mbps)\n"); 52793746Sjulian } else if (ability2 & PHY_1000SR_1000BTXHALF) { 52893746Sjulian advert = 0; 52993746Sjulian ability = 0; 53093746Sjulian /* 53193746Sjulian * this version did not support 1000M, 53295673Sphk * ifm->ifm_media = IFM_ETHER|IFM_1000_T; 53393746Sjulian */ 53493746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX; 53593746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 53693746Sjulian media &= ~PHY_BMCR_DUPLEX; 53793746Sjulian media |= PHY_BMCR_1000; 53893746Sjulian printf("(half-duplex, 1000Mbps)\n"); 53993746Sjulian } 54093746Sjulian } 54193746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) { 54293746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_T4; 54393746Sjulian media |= PHY_BMCR_SPEEDSEL; 54493746Sjulian media &= ~PHY_BMCR_DUPLEX; 54593746Sjulian printf("(100baseT4)\n"); 54693746Sjulian } else if (advert & PHY_ANAR_100BTXFULL && 54793746Sjulian ability & PHY_ANAR_100BTXFULL) { 54893746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 54993746Sjulian media |= PHY_BMCR_SPEEDSEL; 55093746Sjulian media |= PHY_BMCR_DUPLEX; 55193746Sjulian printf("(full-duplex, 100Mbps)\n"); 55293746Sjulian } else if (advert & PHY_ANAR_100BTXHALF && 55393746Sjulian ability & PHY_ANAR_100BTXHALF) { 55493746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 55593746Sjulian media |= PHY_BMCR_SPEEDSEL; 55693746Sjulian media &= ~PHY_BMCR_DUPLEX; 55793746Sjulian printf("(half-duplex, 100Mbps)\n"); 55893746Sjulian } else if (advert & PHY_ANAR_10BTFULL && 55993746Sjulian ability & PHY_ANAR_10BTFULL) { 56093746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 56193746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 56293746Sjulian media |= PHY_BMCR_DUPLEX; 56393746Sjulian printf("(full-duplex, 10Mbps)\n"); 56493746Sjulian } else if (advert) { 56593746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 56693746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 56793746Sjulian media &= ~PHY_BMCR_DUPLEX; 56893746Sjulian printf("(half-duplex, 10Mbps)\n"); 56993746Sjulian } 57093746Sjulian media &= ~PHY_BMCR_AUTONEGENBL; 57193746Sjulian 57293746Sjulian /* Set ASIC's duplex mode to match the PHY. */ 57393746Sjulian my_phy_writereg(sc, PHY_BMCR, media); 57493746Sjulian my_setcfg(sc, media); 57593746Sjulian } else { 57693746Sjulian if (verbose) 57793746Sjulian printf("my%d: no carrier\n", sc->my_unit); 57893746Sjulian } 57993746Sjulian 58093746Sjulian my_init(sc); 58193746Sjulian if (sc->my_tx_pend) { 58293746Sjulian sc->my_autoneg = 0; 58393746Sjulian sc->my_tx_pend = 0; 58493746Sjulian my_start(ifp); 58593746Sjulian } 58693746Sjulian MY_UNLOCK(sc); 58793746Sjulian return; 58893746Sjulian} 58993746Sjulian 59093746Sjulian/* 59193746Sjulian * To get PHY ability. 59293746Sjulian */ 59393746Sjulianstatic void 59493746Sjulianmy_getmode_mii(struct my_softc * sc) 59593746Sjulian{ 59693746Sjulian u_int16_t bmsr; 59793746Sjulian struct ifnet *ifp; 59893746Sjulian 59993746Sjulian MY_LOCK(sc); 60093746Sjulian ifp = &sc->arpcom.ac_if; 60193746Sjulian bmsr = my_phy_readreg(sc, PHY_BMSR); 60293746Sjulian if (bootverbose) 60393746Sjulian printf("my%d: PHY status word: %x\n", sc->my_unit, bmsr); 60493746Sjulian 60593746Sjulian /* fallback */ 60693746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 60793746Sjulian 60893746Sjulian if (bmsr & PHY_BMSR_10BTHALF) { 60993746Sjulian if (bootverbose) 61093746Sjulian printf("my%d: 10Mbps half-duplex mode supported\n", 61193746Sjulian sc->my_unit); 61293746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_HDX, 61393746Sjulian 0, NULL); 61493746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, NULL); 61593746Sjulian } 61693746Sjulian if (bmsr & PHY_BMSR_10BTFULL) { 61793746Sjulian if (bootverbose) 61893746Sjulian printf("my%d: 10Mbps full-duplex mode supported\n", 61993746Sjulian sc->my_unit); 62093746Sjulian 62193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 62293746Sjulian 0, NULL); 62393746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 62493746Sjulian } 62593746Sjulian if (bmsr & PHY_BMSR_100BTXHALF) { 62693746Sjulian if (bootverbose) 62793746Sjulian printf("my%d: 100Mbps half-duplex mode supported\n", 62893746Sjulian sc->my_unit); 62993746Sjulian ifp->if_baudrate = 100000000; 63093746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL); 63193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_HDX, 63293746Sjulian 0, NULL); 63393746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 63493746Sjulian } 63593746Sjulian if (bmsr & PHY_BMSR_100BTXFULL) { 63693746Sjulian if (bootverbose) 63793746Sjulian printf("my%d: 100Mbps full-duplex mode supported\n", 63893746Sjulian sc->my_unit); 63993746Sjulian ifp->if_baudrate = 100000000; 64093746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 64193746Sjulian 0, NULL); 64293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 64393746Sjulian } 64493746Sjulian /* Some also support 100BaseT4. */ 64593746Sjulian if (bmsr & PHY_BMSR_100BT4) { 64693746Sjulian if (bootverbose) 64793746Sjulian printf("my%d: 100baseT4 mode supported\n", sc->my_unit); 64893746Sjulian ifp->if_baudrate = 100000000; 64993746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_T4, 0, NULL); 65093746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_T4; 65193746Sjulian#ifdef FORCE_AUTONEG_TFOUR 65293746Sjulian if (bootverbose) 65393746Sjulian printf("my%d: forcing on autoneg support for BT4\n", 65493746Sjulian sc->my_unit); 65593746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0 NULL): 65693746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 65793746Sjulian#endif 65893746Sjulian } 65994863Sjulian#if 0 /* this version did not support 1000M, */ 66093746Sjulian if (sc->my_pinfo->my_vid == MarvellPHYID0) { 66193746Sjulian if (bootverbose) 66293746Sjulian printf("my%d: 1000Mbps half-duplex mode supported\n", 66393746Sjulian sc->my_unit); 66493746Sjulian 66593746Sjulian ifp->if_baudrate = 1000000000; 66695673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T, 0, NULL); 66795673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_HDX, 66893746Sjulian 0, NULL); 66993746Sjulian if (bootverbose) 67093746Sjulian printf("my%d: 1000Mbps full-duplex mode supported\n", 67193746Sjulian sc->my_unit); 67293746Sjulian ifp->if_baudrate = 1000000000; 67395673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 67493746Sjulian 0, NULL); 67595673Sphk sc->ifmedia.ifm_media = IFM_ETHER | IFM_1000_T | IFM_FDX; 67693746Sjulian } 67793746Sjulian#endif 67893746Sjulian if (bmsr & PHY_BMSR_CANAUTONEG) { 67993746Sjulian if (bootverbose) 68093746Sjulian printf("my%d: autoneg supported\n", sc->my_unit); 68193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 68293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 68393746Sjulian } 68493746Sjulian MY_UNLOCK(sc); 68593746Sjulian return; 68693746Sjulian} 68793746Sjulian 68893746Sjulian/* 68993746Sjulian * Set speed and duplex mode. 69093746Sjulian */ 69193746Sjulianstatic void 69293746Sjulianmy_setmode_mii(struct my_softc * sc, int media) 69393746Sjulian{ 69493746Sjulian u_int16_t bmcr; 69593746Sjulian struct ifnet *ifp; 69693746Sjulian 69793746Sjulian MY_LOCK(sc); 69893746Sjulian ifp = &sc->arpcom.ac_if; 69993746Sjulian /* 70093746Sjulian * If an autoneg session is in progress, stop it. 70193746Sjulian */ 70293746Sjulian if (sc->my_autoneg) { 70393746Sjulian printf("my%d: canceling autoneg session\n", sc->my_unit); 70493746Sjulian ifp->if_timer = sc->my_autoneg = sc->my_want_auto = 0; 70593746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 70693746Sjulian bmcr &= ~PHY_BMCR_AUTONEGENBL; 70793746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 70893746Sjulian } 70993746Sjulian printf("my%d: selecting MII, ", sc->my_unit); 71093746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 71193746Sjulian bmcr &= ~(PHY_BMCR_AUTONEGENBL | PHY_BMCR_SPEEDSEL | PHY_BMCR_1000 | 71293746Sjulian PHY_BMCR_DUPLEX | PHY_BMCR_LOOPBK); 71394863Sjulian 71494863Sjulian#if 0 /* this version did not support 1000M, */ 71595673Sphk if (IFM_SUBTYPE(media) == IFM_1000_T) { 71693746Sjulian printf("1000Mbps/T4, half-duplex\n"); 71793746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 71893746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 71993746Sjulian bmcr |= PHY_BMCR_1000; 72093746Sjulian } 72193746Sjulian#endif 72293746Sjulian if (IFM_SUBTYPE(media) == IFM_100_T4) { 72393746Sjulian printf("100Mbps/T4, half-duplex\n"); 72493746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 72593746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 72693746Sjulian } 72793746Sjulian if (IFM_SUBTYPE(media) == IFM_100_TX) { 72893746Sjulian printf("100Mbps, "); 72993746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 73093746Sjulian } 73193746Sjulian if (IFM_SUBTYPE(media) == IFM_10_T) { 73293746Sjulian printf("10Mbps, "); 73393746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 73493746Sjulian } 73593746Sjulian if ((media & IFM_GMASK) == IFM_FDX) { 73693746Sjulian printf("full duplex\n"); 73793746Sjulian bmcr |= PHY_BMCR_DUPLEX; 73893746Sjulian } else { 73993746Sjulian printf("half duplex\n"); 74093746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 74193746Sjulian } 74293746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 74393746Sjulian my_setcfg(sc, bmcr); 74493746Sjulian MY_UNLOCK(sc); 74593746Sjulian return; 74693746Sjulian} 74793746Sjulian 74893746Sjulian/* 74993746Sjulian * The Myson manual states that in order to fiddle with the 'full-duplex' and 75093746Sjulian * '100Mbps' bits in the netconfig register, we first have to put the 75193746Sjulian * transmit and/or receive logic in the idle state. 75293746Sjulian */ 75393746Sjulianstatic void 75493746Sjulianmy_setcfg(struct my_softc * sc, int bmcr) 75593746Sjulian{ 75693746Sjulian int i, restart = 0; 75793746Sjulian 75893746Sjulian MY_LOCK(sc); 75993746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & (MY_TE | MY_RE)) { 76093746Sjulian restart = 1; 76193746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_TE | MY_RE)); 76293746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 76393746Sjulian DELAY(10); 76493746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & 76593746Sjulian (MY_TXRUN | MY_RXRUN))) 76693746Sjulian break; 76793746Sjulian } 76893746Sjulian if (i == MY_TIMEOUT) 76993746Sjulian printf("my%d: failed to force tx and rx to idle \n", 77093746Sjulian sc->my_unit); 77193746Sjulian } 77293746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS1000); 77393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS10); 77493746Sjulian if (bmcr & PHY_BMCR_1000) 77593746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS1000); 77693746Sjulian else if (!(bmcr & PHY_BMCR_SPEEDSEL)) 77793746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS10); 77893746Sjulian if (bmcr & PHY_BMCR_DUPLEX) 77993746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_FD); 78093746Sjulian else 78193746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_FD); 78293746Sjulian if (restart) 78393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE | MY_RE); 78493746Sjulian MY_UNLOCK(sc); 78593746Sjulian return; 78693746Sjulian} 78793746Sjulian 78893746Sjulianstatic void 78993746Sjulianmy_reset(struct my_softc * sc) 79093746Sjulian{ 79193746Sjulian register int i; 79293746Sjulian 79393746Sjulian MY_LOCK(sc); 79493746Sjulian MY_SETBIT(sc, MY_BCR, MY_SWR); 79593746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 79693746Sjulian DELAY(10); 79793746Sjulian if (!(CSR_READ_4(sc, MY_BCR) & MY_SWR)) 79893746Sjulian break; 79993746Sjulian } 80093746Sjulian if (i == MY_TIMEOUT) 80193746Sjulian printf("m0x%d: reset never completed!\n", sc->my_unit); 80293746Sjulian 80393746Sjulian /* Wait a little while for the chip to get its brains in order. */ 80493746Sjulian DELAY(1000); 80593746Sjulian MY_UNLOCK(sc); 80693746Sjulian return; 80793746Sjulian} 80893746Sjulian 80993746Sjulian/* 81093746Sjulian * Probe for a Myson chip. Check the PCI vendor and device IDs against our 81193746Sjulian * list and return a device name if we find a match. 81293746Sjulian */ 81393746Sjulianstatic int 81493746Sjulianmy_probe(device_t dev) 81593746Sjulian{ 81693746Sjulian struct my_type *t; 81793746Sjulian 81893746Sjulian t = my_devs; 81993746Sjulian while (t->my_name != NULL) { 82093746Sjulian if ((pci_get_vendor(dev) == t->my_vid) && 82193746Sjulian (pci_get_device(dev) == t->my_did)) { 82293746Sjulian device_set_desc(dev, t->my_name); 82393746Sjulian my_info_tmp = t; 82493746Sjulian return (0); 82593746Sjulian } 82693746Sjulian t++; 82793746Sjulian } 82893746Sjulian return (ENXIO); 82993746Sjulian} 83093746Sjulian 83193746Sjulian/* 83293746Sjulian * Attach the interface. Allocate softc structures, do ifmedia setup and 83393746Sjulian * ethernet/BPF attach. 83493746Sjulian */ 83593746Sjulianstatic int 83693746Sjulianmy_attach(device_t dev) 83793746Sjulian{ 83893746Sjulian int s, i; 83993746Sjulian u_char eaddr[ETHER_ADDR_LEN]; 84093746Sjulian u_int32_t command, iobase; 84193746Sjulian struct my_softc *sc; 84293746Sjulian struct ifnet *ifp; 84393746Sjulian int media = IFM_ETHER | IFM_100_TX | IFM_FDX; 84493746Sjulian unsigned int round; 84593746Sjulian caddr_t roundptr; 84693746Sjulian struct my_type *p; 84793746Sjulian u_int16_t phy_vid, phy_did, phy_sts = 0; 84893746Sjulian int rid, unit, error = 0; 84993746Sjulian 85093746Sjulian s = splimp(); 85193746Sjulian sc = device_get_softc(dev); 85293746Sjulian unit = device_get_unit(dev); 85393746Sjulian if (sc == NULL) { 85493746Sjulian printf("my%d: no memory for softc struct!\n", unit); 85593746Sjulian error = ENXIO; 85693746Sjulian goto fail; 85793746Sjulian 85893746Sjulian } 85993746Sjulian bzero(sc, sizeof(struct my_softc)); 86093746Sjulian mtx_init(&sc->my_mtx, device_get_nameunit(dev), MTX_DEF | MTX_RECURSE); 86193746Sjulian MY_LOCK(sc); 86293746Sjulian 86393746Sjulian /* 86493746Sjulian * Map control/status registers. 86593746Sjulian */ 86694863Sjulian#if 0 86794863Sjulian command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 86894863Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 86994863Sjulian pci_write_config(dev, PCI_COMMAND_STATUS_REG, command & 0x000000ff, 4); 87094863Sjulian command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 87194863Sjulian#endif 87293746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 87393746Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 87493746Sjulian pci_write_config(dev, PCIR_COMMAND, command & 0x000000ff, 4); 87593746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 87693746Sjulian 87793746Sjulian if (my_info_tmp->my_did == MTD800ID) { 87893746Sjulian iobase = pci_read_config(dev, MY_PCI_LOIO, 4); 87993746Sjulian if (iobase & 0x300) 88093746Sjulian MY_USEIOSPACE = 0; 88193746Sjulian } 88293746Sjulian if (MY_USEIOSPACE) { 88393746Sjulian if (!(command & PCIM_CMD_PORTEN)) { 88493746Sjulian printf("my%d: failed to enable I/O ports!\n", unit); 88593746Sjulian free(sc, M_DEVBUF); 88693746Sjulian error = ENXIO; 88793746Sjulian goto fail; 88893746Sjulian } 88993746Sjulian#if 0 89094863Sjulian if (!pci_map_port(config_id, MY_PCI_LOIO, (u_int16_t *) & (sc->my_bhandle))) { 89194863Sjulian printf("my%d: couldn't map ports\n", unit); 89294863Sjulian error = ENXIO; 89394863Sjulian goto fail; 89493746Sjulian } 89593746Sjulian 89693746Sjulian sc->my_btag = I386_BUS_SPACE_IO; 89793746Sjulian#endif 89893746Sjulian } else { 89993746Sjulian if (!(command & PCIM_CMD_MEMEN)) { 90093746Sjulian printf("my%d: failed to enable memory mapping!\n", 90193746Sjulian unit); 90293746Sjulian error = ENXIO; 90393746Sjulian goto fail; 90493746Sjulian } 90593746Sjulian#if 0 90693746Sjulian if (!pci_map_mem(config_id, MY_PCI_LOMEM, &vbase, &pbase)) { 90793746Sjulian printf ("my%d: couldn't map memory\n", unit); 90893746Sjulian error = ENXIO; 90993746Sjulian goto fail; 91093746Sjulian } 91194863Sjulian sc->my_btag = I386_BUS_SPACE_MEM; 91294863Sjulian sc->my_bhandle = vbase; 91393746Sjulian#endif 91493746Sjulian } 91593746Sjulian 91693746Sjulian rid = MY_RID; 91793746Sjulian sc->my_res = bus_alloc_resource(dev, MY_RES, &rid, 91893746Sjulian 0, ~0, 1, RF_ACTIVE); 91993746Sjulian 92093746Sjulian if (sc->my_res == NULL) { 92193746Sjulian printf("my%d: couldn't map ports/memory\n", unit); 92293746Sjulian error = ENXIO; 92393746Sjulian goto fail; 92493746Sjulian } 92593746Sjulian sc->my_btag = rman_get_bustag(sc->my_res); 92693746Sjulian sc->my_bhandle = rman_get_bushandle(sc->my_res); 92793746Sjulian 92893746Sjulian rid = 0; 92993746Sjulian sc->my_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 93093746Sjulian RF_SHAREABLE | RF_ACTIVE); 93193746Sjulian 93293746Sjulian if (sc->my_irq == NULL) { 93393746Sjulian printf("my%d: couldn't map interrupt\n", unit); 93493746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 93593746Sjulian error = ENXIO; 93693746Sjulian goto fail; 93793746Sjulian } 93893746Sjulian error = bus_setup_intr(dev, sc->my_irq, INTR_TYPE_NET, 93993746Sjulian my_intr, sc, &sc->my_intrhand); 94093746Sjulian 94193746Sjulian if (error) { 94293746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 94393746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 94493746Sjulian printf("my%d: couldn't set up irq\n", unit); 94593746Sjulian goto fail; 94693746Sjulian } 94793746Sjulian callout_handle_init(&sc->my_stat_ch); 94893746Sjulian 94993746Sjulian sc->my_info = my_info_tmp; 95093746Sjulian 95193746Sjulian /* Reset the adapter. */ 95293746Sjulian my_reset(sc); 95393746Sjulian 95493746Sjulian /* 95593746Sjulian * Get station address 95693746Sjulian */ 95793746Sjulian for (i = 0; i < ETHER_ADDR_LEN; ++i) 95893746Sjulian eaddr[i] = CSR_READ_1(sc, MY_PAR0 + i); 95993746Sjulian 96093746Sjulian /* 96193746Sjulian * A Myson chip was detected. Inform the world. 96293746Sjulian */ 96393746Sjulian printf("my%d: Ethernet address: %6D\n", unit, eaddr, ":"); 96493746Sjulian 96593746Sjulian sc->my_unit = unit; 96693746Sjulian bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 96793746Sjulian 96893746Sjulian sc->my_ldata_ptr = malloc(sizeof(struct my_list_data) + 8, 96993746Sjulian M_DEVBUF, M_NOWAIT); 97093746Sjulian if (sc->my_ldata_ptr == NULL) { 97193746Sjulian free(sc, M_DEVBUF); 97293746Sjulian printf("my%d: no memory for list buffers!\n", unit); 97393746Sjulian error = ENXIO; 97493746Sjulian goto fail; 97593746Sjulian } 97693746Sjulian sc->my_ldata = (struct my_list_data *) sc->my_ldata_ptr; 97793746Sjulian round = (unsigned int)sc->my_ldata_ptr & 0xF; 97893746Sjulian roundptr = sc->my_ldata_ptr; 97993746Sjulian for (i = 0; i < 8; i++) { 98093746Sjulian if (round % 8) { 98193746Sjulian round++; 98293746Sjulian roundptr++; 98393746Sjulian } else 98493746Sjulian break; 98593746Sjulian } 98693746Sjulian sc->my_ldata = (struct my_list_data *) roundptr; 98793746Sjulian bzero(sc->my_ldata, sizeof(struct my_list_data)); 98893746Sjulian 98993746Sjulian ifp = &sc->arpcom.ac_if; 99093746Sjulian ifp->if_softc = sc; 99193746Sjulian ifp->if_unit = unit; 99293746Sjulian ifp->if_name = "my"; 99393746Sjulian ifp->if_mtu = ETHERMTU; 99493746Sjulian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 99593746Sjulian ifp->if_ioctl = my_ioctl; 99693746Sjulian ifp->if_output = ether_output; 99793746Sjulian ifp->if_start = my_start; 99893746Sjulian ifp->if_watchdog = my_watchdog; 99993746Sjulian ifp->if_init = my_init; 100093746Sjulian ifp->if_baudrate = 10000000; 100193746Sjulian ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 100293746Sjulian 100393746Sjulian if (sc->my_info->my_did == MTD803ID) 100493746Sjulian sc->my_pinfo = my_phys; 100593746Sjulian else { 100693746Sjulian if (bootverbose) 100793746Sjulian printf("my%d: probing for a PHY\n", sc->my_unit); 100893746Sjulian for (i = MY_PHYADDR_MIN; i < MY_PHYADDR_MAX + 1; i++) { 100993746Sjulian if (bootverbose) 101093746Sjulian printf("my%d: checking address: %d\n", 101193746Sjulian sc->my_unit, i); 101293746Sjulian sc->my_phy_addr = i; 101393746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 101493746Sjulian if ((phy_sts != 0) && (phy_sts != 0xffff)) 101593746Sjulian break; 101693746Sjulian else 101793746Sjulian phy_sts = 0; 101893746Sjulian } 101993746Sjulian if (phy_sts) { 102093746Sjulian phy_vid = my_phy_readreg(sc, PHY_VENID); 102193746Sjulian phy_did = my_phy_readreg(sc, PHY_DEVID); 102293746Sjulian if (bootverbose) { 102393746Sjulian printf("my%d: found PHY at address %d, ", 102493746Sjulian sc->my_unit, sc->my_phy_addr); 102593746Sjulian printf("vendor id: %x device id: %x\n", 102693746Sjulian phy_vid, phy_did); 102793746Sjulian } 102893746Sjulian p = my_phys; 102993746Sjulian while (p->my_vid) { 103093746Sjulian if (phy_vid == p->my_vid) { 103193746Sjulian sc->my_pinfo = p; 103293746Sjulian break; 103393746Sjulian } 103493746Sjulian p++; 103593746Sjulian } 103693746Sjulian if (sc->my_pinfo == NULL) 103793746Sjulian sc->my_pinfo = &my_phys[PHY_UNKNOWN]; 103893746Sjulian if (bootverbose) 103993746Sjulian printf("my%d: PHY type: %s\n", 104093746Sjulian sc->my_unit, sc->my_pinfo->my_name); 104193746Sjulian } else { 104293746Sjulian printf("my%d: MII without any phy!\n", sc->my_unit); 104393746Sjulian error = ENXIO; 104493746Sjulian goto fail; 104593746Sjulian } 104693746Sjulian } 104793746Sjulian 104893746Sjulian /* Do ifmedia setup. */ 104993746Sjulian ifmedia_init(&sc->ifmedia, 0, my_ifmedia_upd, my_ifmedia_sts); 105093746Sjulian my_getmode_mii(sc); 105193746Sjulian my_autoneg_mii(sc, MY_FLAG_FORCEDELAY, 1); 105293746Sjulian media = sc->ifmedia.ifm_media; 105393746Sjulian my_stop(sc); 105493746Sjulian ifmedia_set(&sc->ifmedia, media); 105593746Sjulian 105693746Sjulian ether_ifattach(ifp, ETHER_BPF_SUPPORTED); 105793746Sjulian 105893746Sjulian#if 0 105993746Sjulian at_shutdown(my_shutdown, sc, SHUTDOWN_POST_SYNC); 106093746Sjulian shutdownhook_establish(my_shutdown, sc); 106193746Sjulian#endif 106293746Sjulian 106393746Sjulian MY_UNLOCK(sc); 106493746Sjulian return (0); 106593746Sjulian 106693746Sjulianfail: 106793746Sjulian MY_UNLOCK(sc); 106893746Sjulian mtx_destroy(&sc->my_mtx); 106993746Sjulian splx(s); 107093746Sjulian return (error); 107193746Sjulian} 107293746Sjulian 107393746Sjulianstatic int 107493746Sjulianmy_detach(device_t dev) 107593746Sjulian{ 107693746Sjulian struct my_softc *sc; 107793746Sjulian struct ifnet *ifp; 107893746Sjulian int s; 107993746Sjulian 108093746Sjulian s = splimp(); 108193746Sjulian sc = device_get_softc(dev); 108293746Sjulian MY_LOCK(sc); 108393746Sjulian ifp = &sc->arpcom.ac_if; 108493746Sjulian ether_ifdetach(ifp, ETHER_BPF_SUPPORTED); 108593746Sjulian my_stop(sc); 108693746Sjulian 108794863Sjulian#if 0 108894863Sjulian bus_generic_detach(dev); 108994863Sjulian device_delete_child(dev, sc->rl_miibus); 109094863Sjulian#endif 109194863Sjulian 109293746Sjulian bus_teardown_intr(dev, sc->my_irq, sc->my_intrhand); 109393746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 109493746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 109594863Sjulian#if 0 109694863Sjulian contigfree(sc->my_cdata.my_rx_buf, MY_RXBUFLEN + 32, M_DEVBUF); 109794863Sjulian#endif 109893746Sjulian free(sc, M_DEVBUF); 109993746Sjulian MY_UNLOCK(sc); 110093746Sjulian splx(s); 110193746Sjulian mtx_destroy(&sc->my_mtx); 110293746Sjulian return (0); 110393746Sjulian} 110493746Sjulian 110593746Sjulian 110693746Sjulian/* 110793746Sjulian * Initialize the transmit descriptors. 110893746Sjulian */ 110993746Sjulianstatic int 111093746Sjulianmy_list_tx_init(struct my_softc * sc) 111193746Sjulian{ 111293746Sjulian struct my_chain_data *cd; 111393746Sjulian struct my_list_data *ld; 111493746Sjulian int i; 111593746Sjulian 111693746Sjulian MY_LOCK(sc); 111793746Sjulian cd = &sc->my_cdata; 111893746Sjulian ld = sc->my_ldata; 111993746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 112093746Sjulian cd->my_tx_chain[i].my_ptr = &ld->my_tx_list[i]; 112193746Sjulian if (i == (MY_TX_LIST_CNT - 1)) 112293746Sjulian cd->my_tx_chain[i].my_nextdesc = &cd->my_tx_chain[0]; 112393746Sjulian else 112493746Sjulian cd->my_tx_chain[i].my_nextdesc = 112593746Sjulian &cd->my_tx_chain[i + 1]; 112693746Sjulian } 112793746Sjulian cd->my_tx_free = &cd->my_tx_chain[0]; 112893746Sjulian cd->my_tx_tail = cd->my_tx_head = NULL; 112993746Sjulian MY_UNLOCK(sc); 113093746Sjulian return (0); 113193746Sjulian} 113293746Sjulian 113393746Sjulian/* 113493746Sjulian * Initialize the RX descriptors and allocate mbufs for them. Note that we 113593746Sjulian * arrange the descriptors in a closed ring, so that the last descriptor 113693746Sjulian * points back to the first. 113793746Sjulian */ 113893746Sjulianstatic int 113993746Sjulianmy_list_rx_init(struct my_softc * sc) 114093746Sjulian{ 114193746Sjulian struct my_chain_data *cd; 114293746Sjulian struct my_list_data *ld; 114393746Sjulian int i; 114493746Sjulian 114593746Sjulian MY_LOCK(sc); 114693746Sjulian cd = &sc->my_cdata; 114793746Sjulian ld = sc->my_ldata; 114893746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 114993746Sjulian cd->my_rx_chain[i].my_ptr = 115093746Sjulian (struct my_desc *) & ld->my_rx_list[i]; 115193746Sjulian if (my_newbuf(sc, &cd->my_rx_chain[i]) == ENOBUFS) 115293746Sjulian return (ENOBUFS); 115393746Sjulian if (i == (MY_RX_LIST_CNT - 1)) { 115493746Sjulian cd->my_rx_chain[i].my_nextdesc = &cd->my_rx_chain[0]; 115593746Sjulian ld->my_rx_list[i].my_next = vtophys(&ld->my_rx_list[0]); 115693746Sjulian } else { 115793746Sjulian cd->my_rx_chain[i].my_nextdesc = 115893746Sjulian &cd->my_rx_chain[i + 1]; 115993746Sjulian ld->my_rx_list[i].my_next = 116093746Sjulian vtophys(&ld->my_rx_list[i + 1]); 116193746Sjulian } 116293746Sjulian } 116393746Sjulian cd->my_rx_head = &cd->my_rx_chain[0]; 116493746Sjulian MY_UNLOCK(sc); 116593746Sjulian return (0); 116693746Sjulian} 116793746Sjulian 116893746Sjulian/* 116993746Sjulian * Initialize an RX descriptor and attach an MBUF cluster. 117093746Sjulian */ 117193746Sjulianstatic int 117293746Sjulianmy_newbuf(struct my_softc * sc, struct my_chain_onefrag * c) 117393746Sjulian{ 117493746Sjulian struct mbuf *m_new = NULL; 117593746Sjulian 117693746Sjulian MY_LOCK(sc); 117793746Sjulian MGETHDR(m_new, M_DONTWAIT, MT_DATA); 117893746Sjulian if (m_new == NULL) { 117993746Sjulian printf("my%d: no memory for rx list -- packet dropped!\n", 118093746Sjulian sc->my_unit); 118193746Sjulian return (ENOBUFS); 118293746Sjulian } 118393746Sjulian MCLGET(m_new, M_DONTWAIT); 118493746Sjulian if (!(m_new->m_flags & M_EXT)) { 118593746Sjulian printf("my%d: no memory for rx list -- packet dropped!\n", 118693746Sjulian sc->my_unit); 118793746Sjulian m_freem(m_new); 118893746Sjulian return (ENOBUFS); 118993746Sjulian } 119093746Sjulian c->my_mbuf = m_new; 119193746Sjulian c->my_ptr->my_data = vtophys(mtod(m_new, caddr_t)); 119293746Sjulian c->my_ptr->my_ctl = (MCLBYTES - 1) << MY_RBSShift; 119393746Sjulian c->my_ptr->my_status = MY_OWNByNIC; 119493746Sjulian MY_UNLOCK(sc); 119593746Sjulian return (0); 119693746Sjulian} 119793746Sjulian 119893746Sjulian/* 119993746Sjulian * A frame has been uploaded: pass the resulting mbuf chain up to the higher 120093746Sjulian * level protocols. 120193746Sjulian */ 120293746Sjulianstatic void 120393746Sjulianmy_rxeof(struct my_softc * sc) 120493746Sjulian{ 120593746Sjulian struct ether_header *eh; 120693746Sjulian struct mbuf *m; 120793746Sjulian struct ifnet *ifp; 120893746Sjulian struct my_chain_onefrag *cur_rx; 120993746Sjulian int total_len = 0; 121093746Sjulian u_int32_t rxstat; 121193746Sjulian 121293746Sjulian MY_LOCK(sc); 121393746Sjulian ifp = &sc->arpcom.ac_if; 121493746Sjulian while (!((rxstat = sc->my_cdata.my_rx_head->my_ptr->my_status) 121593746Sjulian & MY_OWNByNIC)) { 121693746Sjulian cur_rx = sc->my_cdata.my_rx_head; 121793746Sjulian sc->my_cdata.my_rx_head = cur_rx->my_nextdesc; 121893746Sjulian 121993746Sjulian if (rxstat & MY_ES) { /* error summary: give up this rx pkt */ 122093746Sjulian ifp->if_ierrors++; 122193746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 122293746Sjulian continue; 122393746Sjulian } 122493746Sjulian /* No errors; receive the packet. */ 122593746Sjulian total_len = (rxstat & MY_FLNGMASK) >> MY_FLNGShift; 122693746Sjulian total_len -= ETHER_CRC_LEN; 122793746Sjulian 122893746Sjulian if (total_len < MINCLSIZE) { 122993746Sjulian m = m_devget(mtod(cur_rx->my_mbuf, char *), 123093746Sjulian total_len, 0, ifp, NULL); 123193746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 123293746Sjulian if (m == NULL) { 123393746Sjulian ifp->if_ierrors++; 123493746Sjulian continue; 123593746Sjulian } 123693746Sjulian } else { 123793746Sjulian m = cur_rx->my_mbuf; 123893746Sjulian /* 123993746Sjulian * Try to conjure up a new mbuf cluster. If that 124093746Sjulian * fails, it means we have an out of memory condition 124193746Sjulian * and should leave the buffer in place and continue. 124293746Sjulian * This will result in a lost packet, but there's 124393746Sjulian * little else we can do in this situation. 124493746Sjulian */ 124593746Sjulian if (my_newbuf(sc, cur_rx) == ENOBUFS) { 124693746Sjulian ifp->if_ierrors++; 124793746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 124893746Sjulian continue; 124993746Sjulian } 125093746Sjulian m->m_pkthdr.rcvif = ifp; 125193746Sjulian m->m_pkthdr.len = m->m_len = total_len; 125293746Sjulian } 125393746Sjulian ifp->if_ipackets++; 125493746Sjulian eh = mtod(m, struct ether_header *); 125593746Sjulian#if NBPFILTER > 0 125693746Sjulian /* 125793746Sjulian * Handle BPF listeners. Let the BPF user see the packet, but 125893746Sjulian * don't pass it up to the ether_input() layer unless it's a 125993746Sjulian * broadcast packet, multicast packet, matches our ethernet 126093746Sjulian * address or the interface is in promiscuous mode. 126193746Sjulian */ 126293746Sjulian if (ifp->if_bpf) { 126393746Sjulian bpf_mtap(ifp, m); 126493746Sjulian if (ifp->if_flags & IFF_PROMISC && 126593746Sjulian (bcmp(eh->ether_dhost, sc->arpcom.ac_enaddr, 126693746Sjulian ETHER_ADDR_LEN) && 126793746Sjulian (eh->ether_dhost[0] & 1) == 0)) { 126893746Sjulian m_freem(m); 126993746Sjulian continue; 127093746Sjulian } 127193746Sjulian } 127293746Sjulian#endif 127393746Sjulian /* Remove header from mbuf and pass it on. */ 127493746Sjulian m_adj(m, sizeof(struct ether_header)); 127593746Sjulian ether_input(ifp, eh, m); 127693746Sjulian } 127793746Sjulian MY_UNLOCK(sc); 127893746Sjulian return; 127993746Sjulian} 128093746Sjulian 128193746Sjulian 128293746Sjulian/* 128393746Sjulian * A frame was downloaded to the chip. It's safe for us to clean up the list 128493746Sjulian * buffers. 128593746Sjulian */ 128693746Sjulianstatic void 128793746Sjulianmy_txeof(struct my_softc * sc) 128893746Sjulian{ 128993746Sjulian struct my_chain *cur_tx; 129093746Sjulian struct ifnet *ifp; 129193746Sjulian 129293746Sjulian MY_LOCK(sc); 129393746Sjulian ifp = &sc->arpcom.ac_if; 129493746Sjulian /* Clear the timeout timer. */ 129593746Sjulian ifp->if_timer = 0; 129693746Sjulian if (sc->my_cdata.my_tx_head == NULL) 129793746Sjulian return; 129893746Sjulian /* 129993746Sjulian * Go through our tx list and free mbufs for those frames that have 130093746Sjulian * been transmitted. 130193746Sjulian */ 130293746Sjulian while (sc->my_cdata.my_tx_head->my_mbuf != NULL) { 130393746Sjulian u_int32_t txstat; 130493746Sjulian 130593746Sjulian cur_tx = sc->my_cdata.my_tx_head; 130693746Sjulian txstat = MY_TXSTATUS(cur_tx); 130793746Sjulian if ((txstat & MY_OWNByNIC) || txstat == MY_UNSENT) 130893746Sjulian break; 130993746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced)) { 131093746Sjulian if (txstat & MY_TXERR) { 131193746Sjulian ifp->if_oerrors++; 131293746Sjulian if (txstat & MY_EC) /* excessive collision */ 131393746Sjulian ifp->if_collisions++; 131493746Sjulian if (txstat & MY_LC) /* late collision */ 131593746Sjulian ifp->if_collisions++; 131693746Sjulian } 131793746Sjulian ifp->if_collisions += (txstat & MY_NCRMASK) >> 131893746Sjulian MY_NCRShift; 131993746Sjulian } 132093746Sjulian ifp->if_opackets++; 132193746Sjulian m_freem(cur_tx->my_mbuf); 132293746Sjulian cur_tx->my_mbuf = NULL; 132393746Sjulian if (sc->my_cdata.my_tx_head == sc->my_cdata.my_tx_tail) { 132493746Sjulian sc->my_cdata.my_tx_head = NULL; 132593746Sjulian sc->my_cdata.my_tx_tail = NULL; 132693746Sjulian break; 132793746Sjulian } 132893746Sjulian sc->my_cdata.my_tx_head = cur_tx->my_nextdesc; 132993746Sjulian } 133093746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced) { 133193746Sjulian ifp->if_collisions += (CSR_READ_4(sc, MY_TSR) & MY_NCRMask); 133293746Sjulian } 133393746Sjulian MY_UNLOCK(sc); 133493746Sjulian return; 133593746Sjulian} 133693746Sjulian 133793746Sjulian/* 133893746Sjulian * TX 'end of channel' interrupt handler. 133993746Sjulian */ 134093746Sjulianstatic void 134193746Sjulianmy_txeoc(struct my_softc * sc) 134293746Sjulian{ 134393746Sjulian struct ifnet *ifp; 134493746Sjulian 134593746Sjulian MY_LOCK(sc); 134693746Sjulian ifp = &sc->arpcom.ac_if; 134793746Sjulian ifp->if_timer = 0; 134893746Sjulian if (sc->my_cdata.my_tx_head == NULL) { 134993746Sjulian ifp->if_flags &= ~IFF_OACTIVE; 135093746Sjulian sc->my_cdata.my_tx_tail = NULL; 135193746Sjulian if (sc->my_want_auto) 135293746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 135393746Sjulian } else { 135493746Sjulian if (MY_TXOWN(sc->my_cdata.my_tx_head) == MY_UNSENT) { 135593746Sjulian MY_TXOWN(sc->my_cdata.my_tx_head) = MY_OWNByNIC; 135693746Sjulian ifp->if_timer = 5; 135793746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); 135893746Sjulian } 135993746Sjulian } 136093746Sjulian MY_UNLOCK(sc); 136193746Sjulian return; 136293746Sjulian} 136393746Sjulian 136493746Sjulianstatic void 136593746Sjulianmy_intr(void *arg) 136693746Sjulian{ 136793746Sjulian struct my_softc *sc; 136893746Sjulian struct ifnet *ifp; 136993746Sjulian u_int32_t status; 137093746Sjulian 137193746Sjulian sc = arg; 137293746Sjulian MY_LOCK(sc); 137393746Sjulian ifp = &sc->arpcom.ac_if; 137493746Sjulian if (!(ifp->if_flags & IFF_UP)) { 137593746Sjulian MY_UNLOCK(sc); 137693746Sjulian return; 137793746Sjulian } 137893746Sjulian /* Disable interrupts. */ 137993746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 138093746Sjulian 138193746Sjulian for (;;) { 138293746Sjulian status = CSR_READ_4(sc, MY_ISR); 138393746Sjulian status &= MY_INTRS; 138493746Sjulian if (status) 138593746Sjulian CSR_WRITE_4(sc, MY_ISR, status); 138693746Sjulian else 138793746Sjulian break; 138893746Sjulian 138993746Sjulian if (status & MY_RI) /* receive interrupt */ 139093746Sjulian my_rxeof(sc); 139193746Sjulian 139293746Sjulian if ((status & MY_RBU) || (status & MY_RxErr)) { 139393746Sjulian /* rx buffer unavailable or rx error */ 139493746Sjulian ifp->if_ierrors++; 139593746Sjulian#ifdef foo 139693746Sjulian my_stop(sc); 139793746Sjulian my_reset(sc); 139893746Sjulian my_init(sc); 139993746Sjulian#endif 140093746Sjulian } 140193746Sjulian if (status & MY_TI) /* tx interrupt */ 140293746Sjulian my_txeof(sc); 140393746Sjulian if (status & MY_ETI) /* tx early interrupt */ 140493746Sjulian my_txeof(sc); 140593746Sjulian if (status & MY_TBU) /* tx buffer unavailable */ 140693746Sjulian my_txeoc(sc); 140794863Sjulian 140894863Sjulian#if 0 /* 90/1/18 delete */ 140994863Sjulian if (status & MY_FBE) { 141094863Sjulian my_reset(sc); 141194863Sjulian my_init(sc); 141294863Sjulian } 141394863Sjulian#endif 141494863Sjulian 141593746Sjulian } 141693746Sjulian 141793746Sjulian /* Re-enable interrupts. */ 141893746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 141993746Sjulian if (ifp->if_snd.ifq_head != NULL) 142093746Sjulian my_start(ifp); 142193746Sjulian MY_UNLOCK(sc); 142293746Sjulian return; 142393746Sjulian} 142493746Sjulian 142593746Sjulian/* 142693746Sjulian * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data 142793746Sjulian * pointers to the fragment pointers. 142893746Sjulian */ 142993746Sjulianstatic int 143093746Sjulianmy_encap(struct my_softc * sc, struct my_chain * c, struct mbuf * m_head) 143193746Sjulian{ 143293746Sjulian struct my_desc *f = NULL; 143393746Sjulian int total_len; 143493746Sjulian struct mbuf *m, *m_new = NULL; 143593746Sjulian 143693746Sjulian MY_LOCK(sc); 143793746Sjulian /* calculate the total tx pkt length */ 143893746Sjulian total_len = 0; 143993746Sjulian for (m = m_head; m != NULL; m = m->m_next) 144093746Sjulian total_len += m->m_len; 144193746Sjulian /* 144293746Sjulian * Start packing the mbufs in this chain into the fragment pointers. 144393746Sjulian * Stop when we run out of fragments or hit the end of the mbuf 144493746Sjulian * chain. 144593746Sjulian */ 144693746Sjulian m = m_head; 144793746Sjulian MGETHDR(m_new, M_DONTWAIT, MT_DATA); 144893746Sjulian if (m_new == NULL) { 144993746Sjulian printf("my%d: no memory for tx list", sc->my_unit); 145093746Sjulian return (1); 145193746Sjulian } 145293746Sjulian if (m_head->m_pkthdr.len > MHLEN) { 145393746Sjulian MCLGET(m_new, M_DONTWAIT); 145493746Sjulian if (!(m_new->m_flags & M_EXT)) { 145593746Sjulian m_freem(m_new); 145693746Sjulian printf("my%d: no memory for tx list", sc->my_unit); 145793746Sjulian return (1); 145893746Sjulian } 145993746Sjulian } 146093746Sjulian m_copydata(m_head, 0, m_head->m_pkthdr.len, mtod(m_new, caddr_t)); 146193746Sjulian m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len; 146293746Sjulian m_freem(m_head); 146393746Sjulian m_head = m_new; 146493746Sjulian f = &c->my_ptr->my_frag[0]; 146593746Sjulian f->my_status = 0; 146693746Sjulian f->my_data = vtophys(mtod(m_new, caddr_t)); 146793746Sjulian total_len = m_new->m_len; 146893746Sjulian f->my_ctl = MY_TXFD | MY_TXLD | MY_CRCEnable | MY_PADEnable; 146993746Sjulian f->my_ctl |= total_len << MY_PKTShift; /* pkt size */ 147093746Sjulian f->my_ctl |= total_len; /* buffer size */ 147194904Sjulian /* 89/12/29 add, for mtd891 *//* [ 89? ] */ 147293746Sjulian if (sc->my_info->my_did == MTD891ID) 147393746Sjulian f->my_ctl |= MY_ETIControl | MY_RetryTxLC; 147493746Sjulian c->my_mbuf = m_head; 147593746Sjulian c->my_lastdesc = 0; 147693746Sjulian MY_TXNEXT(c) = vtophys(&c->my_nextdesc->my_ptr->my_frag[0]); 147793746Sjulian MY_UNLOCK(sc); 147893746Sjulian return (0); 147993746Sjulian} 148093746Sjulian 148193746Sjulian/* 148293746Sjulian * Main transmit routine. To avoid having to do mbuf copies, we put pointers 148393746Sjulian * to the mbuf data regions directly in the transmit lists. We also save a 148493746Sjulian * copy of the pointers since the transmit list fragment pointers are 148593746Sjulian * physical addresses. 148693746Sjulian */ 148793746Sjulianstatic void 148893746Sjulianmy_start(struct ifnet * ifp) 148993746Sjulian{ 149093746Sjulian struct my_softc *sc; 149193746Sjulian struct mbuf *m_head = NULL; 149293746Sjulian struct my_chain *cur_tx = NULL, *start_tx; 149393746Sjulian 149493746Sjulian sc = ifp->if_softc; 149593746Sjulian MY_LOCK(sc); 149693746Sjulian if (sc->my_autoneg) { 149793746Sjulian sc->my_tx_pend = 1; 149893746Sjulian MY_UNLOCK(sc); 149993746Sjulian return; 150093746Sjulian } 150193746Sjulian /* 150293746Sjulian * Check for an available queue slot. If there are none, punt. 150393746Sjulian */ 150493746Sjulian if (sc->my_cdata.my_tx_free->my_mbuf != NULL) { 150593746Sjulian ifp->if_flags |= IFF_OACTIVE; 150693746Sjulian MY_UNLOCK(sc); 150793746Sjulian return; 150893746Sjulian } 150993746Sjulian start_tx = sc->my_cdata.my_tx_free; 151093746Sjulian while (sc->my_cdata.my_tx_free->my_mbuf == NULL) { 151193746Sjulian IF_DEQUEUE(&ifp->if_snd, m_head); 151293746Sjulian if (m_head == NULL) 151393746Sjulian break; 151493746Sjulian 151593746Sjulian /* Pick a descriptor off the free list. */ 151693746Sjulian cur_tx = sc->my_cdata.my_tx_free; 151793746Sjulian sc->my_cdata.my_tx_free = cur_tx->my_nextdesc; 151893746Sjulian 151993746Sjulian /* Pack the data into the descriptor. */ 152093746Sjulian my_encap(sc, cur_tx, m_head); 152193746Sjulian 152293746Sjulian if (cur_tx != start_tx) 152393746Sjulian MY_TXOWN(cur_tx) = MY_OWNByNIC; 152493746Sjulian#if NBPFILTER > 0 152593746Sjulian /* 152693746Sjulian * If there's a BPF listener, bounce a copy of this frame to 152793746Sjulian * him. 152893746Sjulian */ 152993746Sjulian if (ifp->if_bpf) 153093746Sjulian bpf_mtap(ifp, cur_tx->my_mbuf); 153193746Sjulian#endif 153293746Sjulian } 153393746Sjulian /* 153493746Sjulian * If there are no packets queued, bail. 153593746Sjulian */ 153693746Sjulian if (cur_tx == NULL) { 153793746Sjulian MY_UNLOCK(sc); 153893746Sjulian return; 153993746Sjulian } 154093746Sjulian /* 154193746Sjulian * Place the request for the upload interrupt in the last descriptor 154293746Sjulian * in the chain. This way, if we're chaining several packets at once, 154393746Sjulian * we'll only get an interupt once for the whole chain rather than 154493746Sjulian * once for each packet. 154593746Sjulian */ 154693746Sjulian MY_TXCTL(cur_tx) |= MY_TXIC; 154793746Sjulian cur_tx->my_ptr->my_frag[0].my_ctl |= MY_TXIC; 154893746Sjulian sc->my_cdata.my_tx_tail = cur_tx; 154993746Sjulian if (sc->my_cdata.my_tx_head == NULL) 155093746Sjulian sc->my_cdata.my_tx_head = start_tx; 155193746Sjulian MY_TXOWN(start_tx) = MY_OWNByNIC; 155293746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); /* tx polling demand */ 155393746Sjulian 155493746Sjulian /* 155593746Sjulian * Set a timeout in case the chip goes out to lunch. 155693746Sjulian */ 155793746Sjulian ifp->if_timer = 5; 155893746Sjulian MY_UNLOCK(sc); 155993746Sjulian return; 156093746Sjulian} 156193746Sjulian 156293746Sjulianstatic void 156393746Sjulianmy_init(void *xsc) 156493746Sjulian{ 156593746Sjulian struct my_softc *sc = xsc; 156693746Sjulian struct ifnet *ifp = &sc->arpcom.ac_if; 156793746Sjulian int s; 156893746Sjulian u_int16_t phy_bmcr = 0; 156993746Sjulian 157093746Sjulian MY_LOCK(sc); 157193746Sjulian if (sc->my_autoneg) { 157293746Sjulian MY_UNLOCK(sc); 157393746Sjulian return; 157493746Sjulian } 157593746Sjulian s = splimp(); 157693746Sjulian if (sc->my_pinfo != NULL) 157793746Sjulian phy_bmcr = my_phy_readreg(sc, PHY_BMCR); 157893746Sjulian /* 157993746Sjulian * Cancel pending I/O and free all RX/TX buffers. 158093746Sjulian */ 158193746Sjulian my_stop(sc); 158293746Sjulian my_reset(sc); 158393746Sjulian 158493746Sjulian /* 158593746Sjulian * Set cache alignment and burst length. 158693746Sjulian */ 158794863Sjulian#if 0 /* 89/9/1 modify, */ 158894863Sjulian CSR_WRITE_4(sc, MY_BCR, MY_RPBLE512); 158994863Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF); 159094863Sjulian#endif 159193746Sjulian CSR_WRITE_4(sc, MY_BCR, MY_PBL8); 159293746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF | MY_RBLEN | MY_RPBLE512); 159393746Sjulian /* 159493746Sjulian * 89/12/29 add, for mtd891, 159593746Sjulian */ 159693746Sjulian if (sc->my_info->my_did == MTD891ID) { 159793746Sjulian MY_SETBIT(sc, MY_BCR, MY_PROG); 159893746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_Enhanced); 159993746Sjulian } 160093746Sjulian my_setcfg(sc, phy_bmcr); 160193746Sjulian /* Init circular RX list. */ 160293746Sjulian if (my_list_rx_init(sc) == ENOBUFS) { 160393746Sjulian printf("my%d: init failed: no memory for rx buffers\n", 160493746Sjulian sc->my_unit); 160593746Sjulian my_stop(sc); 160693746Sjulian (void)splx(s); 160793746Sjulian MY_UNLOCK(sc); 160893746Sjulian return; 160993746Sjulian } 161093746Sjulian /* Init TX descriptors. */ 161193746Sjulian my_list_tx_init(sc); 161293746Sjulian 161393746Sjulian /* If we want promiscuous mode, set the allframes bit. */ 161493746Sjulian if (ifp->if_flags & IFF_PROMISC) 161593746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PROM); 161693746Sjulian else 161793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PROM); 161893746Sjulian 161993746Sjulian /* 162093746Sjulian * Set capture broadcast bit to capture broadcast frames. 162193746Sjulian */ 162293746Sjulian if (ifp->if_flags & IFF_BROADCAST) 162393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_AB); 162493746Sjulian else 162593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_AB); 162693746Sjulian 162793746Sjulian /* 162893746Sjulian * Program the multicast filter, if necessary. 162993746Sjulian */ 163093746Sjulian my_setmulti(sc); 163193746Sjulian 163293746Sjulian /* 163393746Sjulian * Load the address of the RX list. 163493746Sjulian */ 163593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_RE); 163693746Sjulian CSR_WRITE_4(sc, MY_RXLBA, vtophys(&sc->my_ldata->my_rx_list[0])); 163793746Sjulian 163893746Sjulian /* 163993746Sjulian * Enable interrupts. 164093746Sjulian */ 164193746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 164293746Sjulian CSR_WRITE_4(sc, MY_ISR, 0xFFFFFFFF); 164393746Sjulian 164493746Sjulian /* Enable receiver and transmitter. */ 164593746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_RE); 164693746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_TE); 164793746Sjulian CSR_WRITE_4(sc, MY_TXLBA, vtophys(&sc->my_ldata->my_tx_list[0])); 164893746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE); 164993746Sjulian 165093746Sjulian /* Restore state of BMCR */ 165193746Sjulian if (sc->my_pinfo != NULL) 165293746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_bmcr); 165393746Sjulian ifp->if_flags |= IFF_RUNNING; 165493746Sjulian ifp->if_flags &= ~IFF_OACTIVE; 165593746Sjulian (void)splx(s); 165693746Sjulian MY_UNLOCK(sc); 165793746Sjulian return; 165893746Sjulian} 165993746Sjulian 166093746Sjulian/* 166193746Sjulian * Set media options. 166293746Sjulian */ 166393746Sjulian 166493746Sjulianstatic int 166593746Sjulianmy_ifmedia_upd(struct ifnet * ifp) 166693746Sjulian{ 166793746Sjulian struct my_softc *sc; 166893746Sjulian struct ifmedia *ifm; 166993746Sjulian 167093746Sjulian sc = ifp->if_softc; 167193746Sjulian MY_LOCK(sc); 167293746Sjulian ifm = &sc->ifmedia; 167393746Sjulian if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) { 167493746Sjulian MY_UNLOCK(sc); 167593746Sjulian return (EINVAL); 167693746Sjulian } 167793746Sjulian if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) 167893746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 167993746Sjulian else 168093746Sjulian my_setmode_mii(sc, ifm->ifm_media); 168193746Sjulian MY_UNLOCK(sc); 168293746Sjulian return (0); 168393746Sjulian} 168493746Sjulian 168593746Sjulian/* 168693746Sjulian * Report current media status. 168793746Sjulian */ 168893746Sjulian 168993746Sjulianstatic void 169093746Sjulianmy_ifmedia_sts(struct ifnet * ifp, struct ifmediareq * ifmr) 169193746Sjulian{ 169293746Sjulian struct my_softc *sc; 169393746Sjulian u_int16_t advert = 0, ability = 0; 169493746Sjulian 169593746Sjulian sc = ifp->if_softc; 169693746Sjulian MY_LOCK(sc); 169793746Sjulian ifmr->ifm_active = IFM_ETHER; 169893746Sjulian if (!(my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_AUTONEGENBL)) { 169994863Sjulian#if 0 /* this version did not support 1000M, */ 170094863Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_1000) 170194863Sjulian ifmr->ifm_active = IFM_ETHER | IFM_1000TX; 170294863Sjulian#endif 170393746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_SPEEDSEL) 170493746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX; 170593746Sjulian else 170693746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T; 170793746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_DUPLEX) 170893746Sjulian ifmr->ifm_active |= IFM_FDX; 170993746Sjulian else 171093746Sjulian ifmr->ifm_active |= IFM_HDX; 171193746Sjulian 171293746Sjulian MY_UNLOCK(sc); 171393746Sjulian return; 171493746Sjulian } 171593746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 171693746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 171793746Sjulian 171894863Sjulian#if 0 /* this version did not support 1000M, */ 171993746Sjulian if (sc->my_pinfo->my_vid = MarvellPHYID0) { 172093746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 172193746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 172293746Sjulian advert = 0; 172393746Sjulian ability = 0; 172495673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_FDX; 172593746Sjulian } else if (ability & PHY_1000SR_1000BTXHALF) { 172693746Sjulian advert = 0; 172793746Sjulian ability = 0; 172895673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_HDX; 172993746Sjulian } 173093746Sjulian } 173193746Sjulian#endif 173293746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) 173393746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_T4; 173493746Sjulian else if (advert & PHY_ANAR_100BTXFULL && ability & PHY_ANAR_100BTXFULL) 173593746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_FDX; 173693746Sjulian else if (advert & PHY_ANAR_100BTXHALF && ability & PHY_ANAR_100BTXHALF) 173793746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_HDX; 173893746Sjulian else if (advert & PHY_ANAR_10BTFULL && ability & PHY_ANAR_10BTFULL) 173993746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_FDX; 174093746Sjulian else if (advert & PHY_ANAR_10BTHALF && ability & PHY_ANAR_10BTHALF) 174193746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_HDX; 174293746Sjulian MY_UNLOCK(sc); 174393746Sjulian return; 174493746Sjulian} 174593746Sjulian 174693746Sjulianstatic int 174793746Sjulianmy_ioctl(struct ifnet * ifp, u_long command, caddr_t data) 174893746Sjulian{ 174993746Sjulian struct my_softc *sc = ifp->if_softc; 175093746Sjulian struct ifreq *ifr = (struct ifreq *) data; 175193746Sjulian int s, error = 0; 175293746Sjulian 175393746Sjulian s = splimp(); 175493746Sjulian MY_LOCK(sc); 175593746Sjulian switch (command) { 175693746Sjulian case SIOCSIFADDR: 175793746Sjulian case SIOCGIFADDR: 175893746Sjulian case SIOCSIFMTU: 175993746Sjulian error = ether_ioctl(ifp, command, data); 176093746Sjulian break; 176193746Sjulian case SIOCSIFFLAGS: 176293746Sjulian if (ifp->if_flags & IFF_UP) 176393746Sjulian my_init(sc); 176493746Sjulian else if (ifp->if_flags & IFF_RUNNING) 176593746Sjulian my_stop(sc); 176693746Sjulian error = 0; 176793746Sjulian break; 176893746Sjulian case SIOCADDMULTI: 176993746Sjulian case SIOCDELMULTI: 177093746Sjulian my_setmulti(sc); 177193746Sjulian error = 0; 177293746Sjulian break; 177393746Sjulian case SIOCGIFMEDIA: 177493746Sjulian case SIOCSIFMEDIA: 177593746Sjulian error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command); 177693746Sjulian break; 177793746Sjulian default: 177893746Sjulian error = EINVAL; 177993746Sjulian break; 178093746Sjulian } 178193746Sjulian MY_UNLOCK(sc); 178293746Sjulian (void)splx(s); 178393746Sjulian return (error); 178493746Sjulian} 178593746Sjulian 178693746Sjulianstatic void 178793746Sjulianmy_watchdog(struct ifnet * ifp) 178893746Sjulian{ 178993746Sjulian struct my_softc *sc; 179093746Sjulian 179193746Sjulian sc = ifp->if_softc; 179293746Sjulian MY_LOCK(sc); 179393746Sjulian if (sc->my_autoneg) { 179493746Sjulian my_autoneg_mii(sc, MY_FLAG_DELAYTIMEO, 1); 179593746Sjulian MY_UNLOCK(sc); 179693746Sjulian return; 179793746Sjulian } 179893746Sjulian ifp->if_oerrors++; 179993746Sjulian printf("my%d: watchdog timeout\n", sc->my_unit); 180093746Sjulian if (!(my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT)) 180193746Sjulian printf("my%d: no carrier - transceiver cable problem?\n", 180293746Sjulian sc->my_unit); 180393746Sjulian my_stop(sc); 180493746Sjulian my_reset(sc); 180593746Sjulian my_init(sc); 180693746Sjulian if (ifp->if_snd.ifq_head != NULL) 180793746Sjulian my_start(ifp); 180893746Sjulian MY_LOCK(sc); 180993746Sjulian return; 181093746Sjulian} 181193746Sjulian 181293746Sjulian 181393746Sjulian/* 181493746Sjulian * Stop the adapter and free any mbufs allocated to the RX and TX lists. 181593746Sjulian */ 181693746Sjulianstatic void 181793746Sjulianmy_stop(struct my_softc * sc) 181893746Sjulian{ 181993746Sjulian register int i; 182093746Sjulian struct ifnet *ifp; 182193746Sjulian 182293746Sjulian MY_LOCK(sc); 182393746Sjulian ifp = &sc->arpcom.ac_if; 182493746Sjulian ifp->if_timer = 0; 182593746Sjulian 182693746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_RE | MY_TE)); 182793746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 182893746Sjulian CSR_WRITE_4(sc, MY_TXLBA, 0x00000000); 182993746Sjulian CSR_WRITE_4(sc, MY_RXLBA, 0x00000000); 183093746Sjulian 183193746Sjulian /* 183293746Sjulian * Free data in the RX lists. 183393746Sjulian */ 183493746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 183593746Sjulian if (sc->my_cdata.my_rx_chain[i].my_mbuf != NULL) { 183693746Sjulian m_freem(sc->my_cdata.my_rx_chain[i].my_mbuf); 183793746Sjulian sc->my_cdata.my_rx_chain[i].my_mbuf = NULL; 183893746Sjulian } 183993746Sjulian } 184093746Sjulian bzero((char *)&sc->my_ldata->my_rx_list, 184193746Sjulian sizeof(sc->my_ldata->my_rx_list)); 184293746Sjulian /* 184393746Sjulian * Free the TX list buffers. 184493746Sjulian */ 184593746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 184693746Sjulian if (sc->my_cdata.my_tx_chain[i].my_mbuf != NULL) { 184793746Sjulian m_freem(sc->my_cdata.my_tx_chain[i].my_mbuf); 184893746Sjulian sc->my_cdata.my_tx_chain[i].my_mbuf = NULL; 184993746Sjulian } 185093746Sjulian } 185193746Sjulian bzero((char *)&sc->my_ldata->my_tx_list, 185293746Sjulian sizeof(sc->my_ldata->my_tx_list)); 185393746Sjulian ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 185493746Sjulian MY_UNLOCK(sc); 185593746Sjulian return; 185693746Sjulian} 185793746Sjulian 185893746Sjulian/* 185993746Sjulian * Stop all chip I/O so that the kernel's probe routines don't get confused 186093746Sjulian * by errant DMAs when rebooting. 186193746Sjulian */ 186293746Sjulianstatic void 186393746Sjulianmy_shutdown(device_t dev) 186493746Sjulian{ 186593746Sjulian struct my_softc *sc; 186693746Sjulian 186793746Sjulian sc = device_get_softc(dev); 186893746Sjulian my_stop(sc); 186993746Sjulian return; 187093746Sjulian} 1871