if_my.c revision 113506
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 * Myson fast ethernet PCI NIC driver 2993746Sjulian */ 30113038Sobrien 31113038Sobrien#include <sys/cdefs.h> 32113038Sobrien__FBSDID("$FreeBSD: head/sys/dev/my/if_my.c 113506 2003-04-15 06:37:30Z mdodd $"); 33113038Sobrien 3493746Sjulian#include <sys/param.h> 3593746Sjulian#include <sys/systm.h> 3693746Sjulian#include <sys/sockio.h> 3793746Sjulian#include <sys/mbuf.h> 3893746Sjulian#include <sys/malloc.h> 3993746Sjulian#include <sys/kernel.h> 4093746Sjulian#include <sys/socket.h> 4193746Sjulian#include <sys/queue.h> 4293746Sjulian#include <sys/types.h> 4393746Sjulian#include <sys/bus.h> 4493746Sjulian#include <sys/module.h> 4595807Sjulian#include <sys/lock.h> 4695807Sjulian#include <sys/mutex.h> 4793746Sjulian 4893746Sjulian#define NBPFILTER 1 4993746Sjulian 5093746Sjulian#include <net/if.h> 5193746Sjulian#include <net/if_arp.h> 5293746Sjulian#include <net/ethernet.h> 5393746Sjulian#include <net/if_media.h> 5493746Sjulian#include <net/if_dl.h> 5593746Sjulian#include <net/bpf.h> 5693746Sjulian 5793746Sjulian#include <vm/vm.h> /* for vtophys */ 5893746Sjulian#include <vm/pmap.h> /* for vtophys */ 5993746Sjulian#include <machine/clock.h> /* for DELAY */ 6093746Sjulian#include <machine/bus_memio.h> 6193746Sjulian#include <machine/bus_pio.h> 6293746Sjulian#include <machine/bus.h> 6393746Sjulian#include <machine/resource.h> 6493746Sjulian#include <sys/bus.h> 6593746Sjulian#include <sys/rman.h> 6693746Sjulian 6793746Sjulian#include <pci/pcireg.h> 6893746Sjulian#include <pci/pcivar.h> 6993746Sjulian 7093746Sjulian#include <dev/mii/mii.h> 7193746Sjulian#include <dev/mii/miivar.h> 7293746Sjulian 7393746Sjulian#include "miibus_if.h" 7493746Sjulian 7593746Sjulian/* 7693746Sjulian * #define MY_USEIOSPACE 7793746Sjulian */ 7893746Sjulian 7993746Sjulianstatic int MY_USEIOSPACE = 1; 8093746Sjulian 8193746Sjulian#if (MY_USEIOSPACE) 8294904Sjulian#define MY_RES SYS_RES_IOPORT 8394904Sjulian#define MY_RID MY_PCI_LOIO 8493746Sjulian#else 8594904Sjulian#define MY_RES SYS_RES_MEMORY 8694904Sjulian#define MY_RID MY_PCI_LOMEM 8793746Sjulian#endif 8893746Sjulian 8993746Sjulian 9093746Sjulian#include <dev/my/if_myreg.h> 9193746Sjulian 9293746Sjulian#ifndef lint 9393746Sjulianstatic const char rcsid[] = 9493746Sjulian"$Id: if_my.c,v 1.50 2001/12/03 04:15:33 <yen_cw@myson.com.tw> wpaul Exp $"; 9593746Sjulian#endif 9693746Sjulian 9793746Sjulian/* 9893746Sjulian * Various supported device vendors/types and their names. 9993746Sjulian */ 10093746Sjulianstruct my_type *my_info_tmp; 10193746Sjulianstatic struct my_type my_devs[] = { 10293746Sjulian {MYSONVENDORID, MTD800ID, "Myson MTD80X Based Fast Ethernet Card"}, 10393746Sjulian {MYSONVENDORID, MTD803ID, "Myson MTD80X Based Fast Ethernet Card"}, 10493746Sjulian {MYSONVENDORID, MTD891ID, "Myson MTD89X Based Giga Ethernet Card"}, 10593746Sjulian {0, 0, NULL} 10693746Sjulian}; 10793746Sjulian 10893746Sjulian/* 10993746Sjulian * Various supported PHY vendors/types and their names. Note that this driver 11093746Sjulian * will work with pretty much any MII-compliant PHY, so failure to positively 11193746Sjulian * identify the chip is not a fatal error. 11293746Sjulian */ 11393746Sjulianstatic struct my_type my_phys[] = { 11493746Sjulian {MysonPHYID0, MysonPHYID0, "<MYSON MTD981>"}, 11593746Sjulian {SeeqPHYID0, SeeqPHYID0, "<SEEQ 80225>"}, 11693746Sjulian {AhdocPHYID0, AhdocPHYID0, "<AHDOC 101>"}, 11793746Sjulian {MarvellPHYID0, MarvellPHYID0, "<MARVELL 88E1000>"}, 11893746Sjulian {LevelOnePHYID0, LevelOnePHYID0, "<LevelOne LXT1000>"}, 11993746Sjulian {0, 0, "<MII-compliant physical interface>"} 12093746Sjulian}; 12193746Sjulian 12293746Sjulianstatic int my_probe(device_t); 12393746Sjulianstatic int my_attach(device_t); 12493746Sjulianstatic int my_detach(device_t); 12593746Sjulianstatic int my_newbuf(struct my_softc *, struct my_chain_onefrag *); 12693746Sjulianstatic int my_encap(struct my_softc *, struct my_chain *, struct mbuf *); 12793746Sjulianstatic void my_rxeof(struct my_softc *); 12893746Sjulianstatic void my_txeof(struct my_softc *); 12993746Sjulianstatic void my_txeoc(struct my_softc *); 13093746Sjulianstatic void my_intr(void *); 13193746Sjulianstatic void my_start(struct ifnet *); 13293746Sjulianstatic int my_ioctl(struct ifnet *, u_long, caddr_t); 13393746Sjulianstatic void my_init(void *); 13493746Sjulianstatic void my_stop(struct my_softc *); 13593746Sjulianstatic void my_watchdog(struct ifnet *); 13693746Sjulianstatic void my_shutdown(device_t); 13793746Sjulianstatic int my_ifmedia_upd(struct ifnet *); 13893746Sjulianstatic void my_ifmedia_sts(struct ifnet *, struct ifmediareq *); 13993746Sjulianstatic u_int16_t my_phy_readreg(struct my_softc *, int); 14093746Sjulianstatic void my_phy_writereg(struct my_softc *, int, int); 14193746Sjulianstatic void my_autoneg_xmit(struct my_softc *); 14293746Sjulianstatic void my_autoneg_mii(struct my_softc *, int, int); 14393746Sjulianstatic void my_setmode_mii(struct my_softc *, int); 14493746Sjulianstatic void my_getmode_mii(struct my_softc *); 14593746Sjulianstatic void my_setcfg(struct my_softc *, int); 14693746Sjulianstatic u_int8_t my_calchash(caddr_t); 14793746Sjulianstatic void my_setmulti(struct my_softc *); 14893746Sjulianstatic void my_reset(struct my_softc *); 14993746Sjulianstatic int my_list_rx_init(struct my_softc *); 15093746Sjulianstatic int my_list_tx_init(struct my_softc *); 15193746Sjulianstatic long my_send_cmd_to_phy(struct my_softc *, int, int); 15293746Sjulian 153106696Salfred#define MY_SETBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) | (x)) 154106696Salfred#define MY_CLRBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) & ~(x)) 15593746Sjulian 15693746Sjulianstatic device_method_t my_methods[] = { 15793746Sjulian /* Device interface */ 15893746Sjulian DEVMETHOD(device_probe, my_probe), 15993746Sjulian DEVMETHOD(device_attach, my_attach), 16093746Sjulian DEVMETHOD(device_detach, my_detach), 16193746Sjulian DEVMETHOD(device_shutdown, my_shutdown), 16293746Sjulian 16393746Sjulian {0, 0} 16493746Sjulian}; 16593746Sjulian 16693746Sjulianstatic driver_t my_driver = { 16793746Sjulian "my", 16893746Sjulian my_methods, 16993746Sjulian sizeof(struct my_softc) 17093746Sjulian}; 17193746Sjulian 17293746Sjulianstatic devclass_t my_devclass; 17393746Sjulian 174113506SmdoddDRIVER_MODULE(my, pci, my_driver, my_devclass, 0, 0); 175113506SmdoddMODULE_DEPEND(my, pci, 1, 1, 1); 176113506SmdoddMODULE_DEPEND(my, ether, 1, 1, 1); 17793746Sjulian 17893746Sjulianstatic long 17993746Sjulianmy_send_cmd_to_phy(struct my_softc * sc, int opcode, int regad) 18093746Sjulian{ 18193746Sjulian long miir; 18293746Sjulian int i; 18393746Sjulian int mask, data; 18493746Sjulian 18593746Sjulian MY_LOCK(sc); 18693746Sjulian 18793746Sjulian /* enable MII output */ 18893746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 18993746Sjulian miir &= 0xfffffff0; 19093746Sjulian 19193746Sjulian miir |= MY_MASK_MIIR_MII_WRITE + MY_MASK_MIIR_MII_MDO; 19293746Sjulian 19393746Sjulian /* send 32 1's preamble */ 19493746Sjulian for (i = 0; i < 32; i++) { 19593746Sjulian /* low MDC; MDO is already high (miir) */ 19693746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 19793746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19893746Sjulian 19993746Sjulian /* high MDC */ 20093746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 20193746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 20293746Sjulian } 20393746Sjulian 20493746Sjulian /* calculate ST+OP+PHYAD+REGAD+TA */ 20593746Sjulian data = opcode | (sc->my_phy_addr << 7) | (regad << 2); 20693746Sjulian 20793746Sjulian /* sent out */ 20893746Sjulian mask = 0x8000; 20993746Sjulian while (mask) { 21093746Sjulian /* low MDC, prepare MDO */ 21193746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 21293746Sjulian if (mask & data) 21393746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 21493746Sjulian 21593746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21693746Sjulian /* high MDC */ 21793746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 21893746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21993746Sjulian DELAY(30); 22093746Sjulian 22193746Sjulian /* next */ 22293746Sjulian mask >>= 1; 22393746Sjulian if (mask == 0x2 && opcode == MY_OP_READ) 22493746Sjulian miir &= ~MY_MASK_MIIR_MII_WRITE; 22593746Sjulian } 22693746Sjulian 22793746Sjulian MY_UNLOCK(sc); 22893746Sjulian return miir; 22993746Sjulian} 23093746Sjulian 23193746Sjulian 23293746Sjulianstatic u_int16_t 23393746Sjulianmy_phy_readreg(struct my_softc * sc, int reg) 23493746Sjulian{ 23593746Sjulian long miir; 23693746Sjulian int mask, data; 23793746Sjulian 23893746Sjulian MY_LOCK(sc); 23993746Sjulian 24093746Sjulian if (sc->my_info->my_did == MTD803ID) 24193746Sjulian data = CSR_READ_2(sc, MY_PHYBASE + reg * 2); 24293746Sjulian else { 24393746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_READ, reg); 24493746Sjulian 24593746Sjulian /* read data */ 24693746Sjulian mask = 0x8000; 24793746Sjulian data = 0; 24893746Sjulian while (mask) { 24993746Sjulian /* low MDC */ 25093746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 25193746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 25293746Sjulian 25393746Sjulian /* read MDI */ 25493746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 25593746Sjulian if (miir & MY_MASK_MIIR_MII_MDI) 25693746Sjulian data |= mask; 25793746Sjulian 25893746Sjulian /* high MDC, and wait */ 25993746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 26093746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 26193746Sjulian DELAY(30); 26293746Sjulian 26393746Sjulian /* next */ 26493746Sjulian mask >>= 1; 26593746Sjulian } 26693746Sjulian 26793746Sjulian /* low MDC */ 26893746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 26993746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 27093746Sjulian } 27193746Sjulian 27293746Sjulian MY_UNLOCK(sc); 27393746Sjulian return (u_int16_t) data; 27493746Sjulian} 27593746Sjulian 27693746Sjulian 27793746Sjulianstatic void 27893746Sjulianmy_phy_writereg(struct my_softc * sc, int reg, int data) 27993746Sjulian{ 28093746Sjulian long miir; 28193746Sjulian int mask; 28293746Sjulian 28393746Sjulian MY_LOCK(sc); 28493746Sjulian 28593746Sjulian if (sc->my_info->my_did == MTD803ID) 28693746Sjulian CSR_WRITE_2(sc, MY_PHYBASE + reg * 2, data); 28793746Sjulian else { 28893746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_WRITE, reg); 28993746Sjulian 29093746Sjulian /* write data */ 29193746Sjulian mask = 0x8000; 29293746Sjulian while (mask) { 29393746Sjulian /* low MDC, prepare MDO */ 29493746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 29593746Sjulian if (mask & data) 29693746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 29793746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29893746Sjulian DELAY(1); 29993746Sjulian 30093746Sjulian /* high MDC */ 30193746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 30293746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 30393746Sjulian DELAY(1); 30493746Sjulian 30593746Sjulian /* next */ 30693746Sjulian mask >>= 1; 30793746Sjulian } 30893746Sjulian 30993746Sjulian /* low MDC */ 31093746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 31193746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 31293746Sjulian } 31393746Sjulian MY_UNLOCK(sc); 31493746Sjulian return; 31593746Sjulian} 31693746Sjulian 31793746Sjulianstatic u_int8_t 31893746Sjulianmy_calchash(caddr_t addr) 31993746Sjulian{ 32093746Sjulian u_int32_t crc, carry; 32193746Sjulian int i, j; 32293746Sjulian u_int8_t c; 32393746Sjulian 32493746Sjulian /* Compute CRC for the address value. */ 32593746Sjulian crc = 0xFFFFFFFF; /* initial value */ 32693746Sjulian 32793746Sjulian for (i = 0; i < 6; i++) { 32893746Sjulian c = *(addr + i); 32993746Sjulian for (j = 0; j < 8; j++) { 33093746Sjulian carry = ((crc & 0x80000000) ? 1 : 0) ^ (c & 0x01); 33193746Sjulian crc <<= 1; 33293746Sjulian c >>= 1; 33393746Sjulian if (carry) 33493746Sjulian crc = (crc ^ 0x04c11db6) | carry; 33593746Sjulian } 33693746Sjulian } 33793746Sjulian 33893746Sjulian /* 33993746Sjulian * return the filter bit position Note: I arrived at the following 34093746Sjulian * nonsense through experimentation. It's not the usual way to 34193746Sjulian * generate the bit position but it's the only thing I could come up 34293746Sjulian * with that works. 34393746Sjulian */ 34493746Sjulian return (~(crc >> 26) & 0x0000003F); 34593746Sjulian} 34693746Sjulian 34793746Sjulian 34893746Sjulian/* 34993746Sjulian * Program the 64-bit multicast hash filter. 35093746Sjulian */ 35193746Sjulianstatic void 35293746Sjulianmy_setmulti(struct my_softc * sc) 35393746Sjulian{ 35493746Sjulian struct ifnet *ifp; 35593746Sjulian int h = 0; 35693746Sjulian u_int32_t hashes[2] = {0, 0}; 35793746Sjulian struct ifmultiaddr *ifma; 35893746Sjulian u_int32_t rxfilt; 35993746Sjulian int mcnt = 0; 36093746Sjulian 36193746Sjulian MY_LOCK(sc); 36293746Sjulian 36393746Sjulian ifp = &sc->arpcom.ac_if; 36493746Sjulian 36593746Sjulian rxfilt = CSR_READ_4(sc, MY_TCRRCR); 36693746Sjulian 36793746Sjulian if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 36893746Sjulian rxfilt |= MY_AM; 36993746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 37093746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0xFFFFFFFF); 37193746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0xFFFFFFFF); 37293746Sjulian 37393746Sjulian MY_UNLOCK(sc); 37493746Sjulian 37593746Sjulian return; 37693746Sjulian } 37793746Sjulian /* first, zot all the existing hash bits */ 37893746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0); 37993746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0); 38093746Sjulian 38193746Sjulian /* now program new ones */ 38293746Sjulian TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 38393746Sjulian if (ifma->ifma_addr->sa_family != AF_LINK) 38493746Sjulian continue; 38593746Sjulian h = my_calchash(LLADDR((struct sockaddr_dl *) ifma->ifma_addr)); 38693746Sjulian if (h < 32) 38793746Sjulian hashes[0] |= (1 << h); 38893746Sjulian else 38993746Sjulian hashes[1] |= (1 << (h - 32)); 39093746Sjulian mcnt++; 39193746Sjulian } 39293746Sjulian 39393746Sjulian if (mcnt) 39493746Sjulian rxfilt |= MY_AM; 39593746Sjulian else 39693746Sjulian rxfilt &= ~MY_AM; 39793746Sjulian CSR_WRITE_4(sc, MY_MAR0, hashes[0]); 39893746Sjulian CSR_WRITE_4(sc, MY_MAR1, hashes[1]); 39993746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 40093746Sjulian MY_UNLOCK(sc); 40193746Sjulian return; 40293746Sjulian} 40393746Sjulian 40493746Sjulian/* 40593746Sjulian * Initiate an autonegotiation session. 40693746Sjulian */ 40793746Sjulianstatic void 40893746Sjulianmy_autoneg_xmit(struct my_softc * sc) 40993746Sjulian{ 41093746Sjulian u_int16_t phy_sts = 0; 41193746Sjulian 41293746Sjulian MY_LOCK(sc); 41393746Sjulian 41493746Sjulian my_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET); 41593746Sjulian DELAY(500); 41693746Sjulian while (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_RESET); 41793746Sjulian 41893746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMCR); 41993746Sjulian phy_sts |= PHY_BMCR_AUTONEGENBL | PHY_BMCR_AUTONEGRSTR; 42093746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_sts); 42193746Sjulian 42293746Sjulian MY_UNLOCK(sc); 42393746Sjulian return; 42493746Sjulian} 42593746Sjulian 42693746Sjulian 42793746Sjulian/* 42893746Sjulian * Invoke autonegotiation on a PHY. 42993746Sjulian */ 43093746Sjulianstatic void 43193746Sjulianmy_autoneg_mii(struct my_softc * sc, int flag, int verbose) 43293746Sjulian{ 43393746Sjulian u_int16_t phy_sts = 0, media, advert, ability; 43493746Sjulian u_int16_t ability2 = 0; 43593746Sjulian struct ifnet *ifp; 43693746Sjulian struct ifmedia *ifm; 43793746Sjulian 43893746Sjulian MY_LOCK(sc); 43993746Sjulian 44093746Sjulian ifm = &sc->ifmedia; 44193746Sjulian ifp = &sc->arpcom.ac_if; 44293746Sjulian 44393746Sjulian ifm->ifm_media = IFM_ETHER | IFM_AUTO; 44493746Sjulian 44593746Sjulian#ifndef FORCE_AUTONEG_TFOUR 44693746Sjulian /* 44793746Sjulian * First, see if autoneg is supported. If not, there's no point in 44893746Sjulian * continuing. 44993746Sjulian */ 45093746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 45193746Sjulian if (!(phy_sts & PHY_BMSR_CANAUTONEG)) { 45293746Sjulian if (verbose) 45393746Sjulian printf("my%d: autonegotiation not supported\n", 45493746Sjulian sc->my_unit); 45593746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 45693746Sjulian MY_UNLOCK(sc); 45793746Sjulian return; 45893746Sjulian } 45993746Sjulian#endif 46093746Sjulian switch (flag) { 46193746Sjulian case MY_FLAG_FORCEDELAY: 46293746Sjulian /* 46393746Sjulian * XXX Never use this option anywhere but in the probe 46493746Sjulian * routine: making the kernel stop dead in its tracks for 46593746Sjulian * three whole seconds after we've gone multi-user is really 46693746Sjulian * bad manners. 46793746Sjulian */ 46893746Sjulian my_autoneg_xmit(sc); 46993746Sjulian DELAY(5000000); 47093746Sjulian break; 47193746Sjulian case MY_FLAG_SCHEDDELAY: 47293746Sjulian /* 47393746Sjulian * Wait for the transmitter to go idle before starting an 47493746Sjulian * autoneg session, otherwise my_start() may clobber our 47593746Sjulian * timeout, and we don't want to allow transmission during an 47693746Sjulian * autoneg session since that can screw it up. 47793746Sjulian */ 47893746Sjulian if (sc->my_cdata.my_tx_head != NULL) { 47993746Sjulian sc->my_want_auto = 1; 48093746Sjulian MY_UNLOCK(sc); 48193746Sjulian return; 48293746Sjulian } 48393746Sjulian my_autoneg_xmit(sc); 48493746Sjulian ifp->if_timer = 5; 48593746Sjulian sc->my_autoneg = 1; 48693746Sjulian sc->my_want_auto = 0; 48793746Sjulian MY_UNLOCK(sc); 48893746Sjulian return; 48993746Sjulian case MY_FLAG_DELAYTIMEO: 49093746Sjulian ifp->if_timer = 0; 49193746Sjulian sc->my_autoneg = 0; 49293746Sjulian break; 49393746Sjulian default: 49493746Sjulian printf("my%d: invalid autoneg flag: %d\n", sc->my_unit, flag); 49593746Sjulian MY_UNLOCK(sc); 49693746Sjulian return; 49793746Sjulian } 49893746Sjulian 49993746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) { 50093746Sjulian if (verbose) 50193746Sjulian printf("my%d: autoneg complete, ", sc->my_unit); 50293746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 50393746Sjulian } else { 50493746Sjulian if (verbose) 50593746Sjulian printf("my%d: autoneg not complete, ", sc->my_unit); 50693746Sjulian } 50793746Sjulian 50893746Sjulian media = my_phy_readreg(sc, PHY_BMCR); 50993746Sjulian 51093746Sjulian /* Link is good. Report modes and set duplex mode. */ 51193746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT) { 51293746Sjulian if (verbose) 51393746Sjulian printf("my%d: link status good. ", sc->my_unit); 51493746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 51593746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 51693746Sjulian if ((sc->my_pinfo->my_vid == MarvellPHYID0) || 51793746Sjulian (sc->my_pinfo->my_vid == LevelOnePHYID0)) { 51893746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 51993746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 52093746Sjulian advert = 0; 52193746Sjulian ability = 0; 52293746Sjulian /* 52393746Sjulian * this version did not support 1000M, 52493746Sjulian * ifm->ifm_media = 52595673Sphk * IFM_ETHER|IFM_1000_T|IFM_FDX; 52693746Sjulian */ 52793746Sjulian ifm->ifm_media = 52893746Sjulian IFM_ETHER | IFM_100_TX | IFM_FDX; 52993746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 53093746Sjulian media |= PHY_BMCR_1000; 53193746Sjulian media |= PHY_BMCR_DUPLEX; 53293746Sjulian printf("(full-duplex, 1000Mbps)\n"); 53393746Sjulian } else if (ability2 & PHY_1000SR_1000BTXHALF) { 53493746Sjulian advert = 0; 53593746Sjulian ability = 0; 53693746Sjulian /* 53793746Sjulian * this version did not support 1000M, 53895673Sphk * ifm->ifm_media = IFM_ETHER|IFM_1000_T; 53993746Sjulian */ 54093746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX; 54193746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 54293746Sjulian media &= ~PHY_BMCR_DUPLEX; 54393746Sjulian media |= PHY_BMCR_1000; 54493746Sjulian printf("(half-duplex, 1000Mbps)\n"); 54593746Sjulian } 54693746Sjulian } 54793746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) { 54893746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_T4; 54993746Sjulian media |= PHY_BMCR_SPEEDSEL; 55093746Sjulian media &= ~PHY_BMCR_DUPLEX; 55193746Sjulian printf("(100baseT4)\n"); 55293746Sjulian } else if (advert & PHY_ANAR_100BTXFULL && 55393746Sjulian ability & PHY_ANAR_100BTXFULL) { 55493746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 55593746Sjulian media |= PHY_BMCR_SPEEDSEL; 55693746Sjulian media |= PHY_BMCR_DUPLEX; 55793746Sjulian printf("(full-duplex, 100Mbps)\n"); 55893746Sjulian } else if (advert & PHY_ANAR_100BTXHALF && 55993746Sjulian ability & PHY_ANAR_100BTXHALF) { 56093746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 56193746Sjulian media |= PHY_BMCR_SPEEDSEL; 56293746Sjulian media &= ~PHY_BMCR_DUPLEX; 56393746Sjulian printf("(half-duplex, 100Mbps)\n"); 56493746Sjulian } else if (advert & PHY_ANAR_10BTFULL && 56593746Sjulian ability & PHY_ANAR_10BTFULL) { 56693746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 56793746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 56893746Sjulian media |= PHY_BMCR_DUPLEX; 56993746Sjulian printf("(full-duplex, 10Mbps)\n"); 57093746Sjulian } else if (advert) { 57193746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 57293746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 57393746Sjulian media &= ~PHY_BMCR_DUPLEX; 57493746Sjulian printf("(half-duplex, 10Mbps)\n"); 57593746Sjulian } 57693746Sjulian media &= ~PHY_BMCR_AUTONEGENBL; 57793746Sjulian 57893746Sjulian /* Set ASIC's duplex mode to match the PHY. */ 57993746Sjulian my_phy_writereg(sc, PHY_BMCR, media); 58093746Sjulian my_setcfg(sc, media); 58193746Sjulian } else { 58293746Sjulian if (verbose) 58393746Sjulian printf("my%d: no carrier\n", sc->my_unit); 58493746Sjulian } 58593746Sjulian 58693746Sjulian my_init(sc); 58793746Sjulian if (sc->my_tx_pend) { 58893746Sjulian sc->my_autoneg = 0; 58993746Sjulian sc->my_tx_pend = 0; 59093746Sjulian my_start(ifp); 59193746Sjulian } 59293746Sjulian MY_UNLOCK(sc); 59393746Sjulian return; 59493746Sjulian} 59593746Sjulian 59693746Sjulian/* 59793746Sjulian * To get PHY ability. 59893746Sjulian */ 59993746Sjulianstatic void 60093746Sjulianmy_getmode_mii(struct my_softc * sc) 60193746Sjulian{ 60293746Sjulian u_int16_t bmsr; 60393746Sjulian struct ifnet *ifp; 60493746Sjulian 60593746Sjulian MY_LOCK(sc); 60693746Sjulian ifp = &sc->arpcom.ac_if; 60793746Sjulian bmsr = my_phy_readreg(sc, PHY_BMSR); 60893746Sjulian if (bootverbose) 60993746Sjulian printf("my%d: PHY status word: %x\n", sc->my_unit, bmsr); 61093746Sjulian 61193746Sjulian /* fallback */ 61293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 61393746Sjulian 61493746Sjulian if (bmsr & PHY_BMSR_10BTHALF) { 61593746Sjulian if (bootverbose) 61693746Sjulian printf("my%d: 10Mbps half-duplex mode supported\n", 61793746Sjulian sc->my_unit); 61893746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_HDX, 61993746Sjulian 0, NULL); 62093746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, NULL); 62193746Sjulian } 62293746Sjulian if (bmsr & PHY_BMSR_10BTFULL) { 62393746Sjulian if (bootverbose) 62493746Sjulian printf("my%d: 10Mbps full-duplex mode supported\n", 62593746Sjulian sc->my_unit); 62693746Sjulian 62793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 62893746Sjulian 0, NULL); 62993746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 63093746Sjulian } 63193746Sjulian if (bmsr & PHY_BMSR_100BTXHALF) { 63293746Sjulian if (bootverbose) 63393746Sjulian printf("my%d: 100Mbps half-duplex mode supported\n", 63493746Sjulian sc->my_unit); 63593746Sjulian ifp->if_baudrate = 100000000; 63693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL); 63793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_HDX, 63893746Sjulian 0, NULL); 63993746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 64093746Sjulian } 64193746Sjulian if (bmsr & PHY_BMSR_100BTXFULL) { 64293746Sjulian if (bootverbose) 64393746Sjulian printf("my%d: 100Mbps full-duplex mode supported\n", 64493746Sjulian sc->my_unit); 64593746Sjulian ifp->if_baudrate = 100000000; 64693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 64793746Sjulian 0, NULL); 64893746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 64993746Sjulian } 65093746Sjulian /* Some also support 100BaseT4. */ 65193746Sjulian if (bmsr & PHY_BMSR_100BT4) { 65293746Sjulian if (bootverbose) 65393746Sjulian printf("my%d: 100baseT4 mode supported\n", sc->my_unit); 65493746Sjulian ifp->if_baudrate = 100000000; 65593746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_T4, 0, NULL); 65693746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_T4; 65793746Sjulian#ifdef FORCE_AUTONEG_TFOUR 65893746Sjulian if (bootverbose) 65993746Sjulian printf("my%d: forcing on autoneg support for BT4\n", 66093746Sjulian sc->my_unit); 66193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0 NULL): 66293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 66393746Sjulian#endif 66493746Sjulian } 66594863Sjulian#if 0 /* this version did not support 1000M, */ 66693746Sjulian if (sc->my_pinfo->my_vid == MarvellPHYID0) { 66793746Sjulian if (bootverbose) 66893746Sjulian printf("my%d: 1000Mbps half-duplex mode supported\n", 66993746Sjulian sc->my_unit); 67093746Sjulian 67193746Sjulian ifp->if_baudrate = 1000000000; 67295673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T, 0, NULL); 67395673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_HDX, 67493746Sjulian 0, NULL); 67593746Sjulian if (bootverbose) 67693746Sjulian printf("my%d: 1000Mbps full-duplex mode supported\n", 67793746Sjulian sc->my_unit); 67893746Sjulian ifp->if_baudrate = 1000000000; 67995673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 68093746Sjulian 0, NULL); 68195673Sphk sc->ifmedia.ifm_media = IFM_ETHER | IFM_1000_T | IFM_FDX; 68293746Sjulian } 68393746Sjulian#endif 68493746Sjulian if (bmsr & PHY_BMSR_CANAUTONEG) { 68593746Sjulian if (bootverbose) 68693746Sjulian printf("my%d: autoneg supported\n", sc->my_unit); 68793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 68893746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 68993746Sjulian } 69093746Sjulian MY_UNLOCK(sc); 69193746Sjulian return; 69293746Sjulian} 69393746Sjulian 69493746Sjulian/* 69593746Sjulian * Set speed and duplex mode. 69693746Sjulian */ 69793746Sjulianstatic void 69893746Sjulianmy_setmode_mii(struct my_softc * sc, int media) 69993746Sjulian{ 70093746Sjulian u_int16_t bmcr; 70193746Sjulian struct ifnet *ifp; 70293746Sjulian 70393746Sjulian MY_LOCK(sc); 70493746Sjulian ifp = &sc->arpcom.ac_if; 70593746Sjulian /* 70693746Sjulian * If an autoneg session is in progress, stop it. 70793746Sjulian */ 70893746Sjulian if (sc->my_autoneg) { 70993746Sjulian printf("my%d: canceling autoneg session\n", sc->my_unit); 71093746Sjulian ifp->if_timer = sc->my_autoneg = sc->my_want_auto = 0; 71193746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 71293746Sjulian bmcr &= ~PHY_BMCR_AUTONEGENBL; 71393746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 71493746Sjulian } 71593746Sjulian printf("my%d: selecting MII, ", sc->my_unit); 71693746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 71793746Sjulian bmcr &= ~(PHY_BMCR_AUTONEGENBL | PHY_BMCR_SPEEDSEL | PHY_BMCR_1000 | 71893746Sjulian PHY_BMCR_DUPLEX | PHY_BMCR_LOOPBK); 71994863Sjulian 72094863Sjulian#if 0 /* this version did not support 1000M, */ 72195673Sphk if (IFM_SUBTYPE(media) == IFM_1000_T) { 72293746Sjulian printf("1000Mbps/T4, half-duplex\n"); 72393746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 72493746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 72593746Sjulian bmcr |= PHY_BMCR_1000; 72693746Sjulian } 72793746Sjulian#endif 72893746Sjulian if (IFM_SUBTYPE(media) == IFM_100_T4) { 72993746Sjulian printf("100Mbps/T4, half-duplex\n"); 73093746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 73193746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 73293746Sjulian } 73393746Sjulian if (IFM_SUBTYPE(media) == IFM_100_TX) { 73493746Sjulian printf("100Mbps, "); 73593746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 73693746Sjulian } 73793746Sjulian if (IFM_SUBTYPE(media) == IFM_10_T) { 73893746Sjulian printf("10Mbps, "); 73993746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 74093746Sjulian } 74193746Sjulian if ((media & IFM_GMASK) == IFM_FDX) { 74293746Sjulian printf("full duplex\n"); 74393746Sjulian bmcr |= PHY_BMCR_DUPLEX; 74493746Sjulian } else { 74593746Sjulian printf("half duplex\n"); 74693746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 74793746Sjulian } 74893746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 74993746Sjulian my_setcfg(sc, bmcr); 75093746Sjulian MY_UNLOCK(sc); 75193746Sjulian return; 75293746Sjulian} 75393746Sjulian 75493746Sjulian/* 75593746Sjulian * The Myson manual states that in order to fiddle with the 'full-duplex' and 75693746Sjulian * '100Mbps' bits in the netconfig register, we first have to put the 75793746Sjulian * transmit and/or receive logic in the idle state. 75893746Sjulian */ 75993746Sjulianstatic void 76093746Sjulianmy_setcfg(struct my_softc * sc, int bmcr) 76193746Sjulian{ 76293746Sjulian int i, restart = 0; 76393746Sjulian 76493746Sjulian MY_LOCK(sc); 76593746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & (MY_TE | MY_RE)) { 76693746Sjulian restart = 1; 76793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_TE | MY_RE)); 76893746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 76993746Sjulian DELAY(10); 77093746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & 77193746Sjulian (MY_TXRUN | MY_RXRUN))) 77293746Sjulian break; 77393746Sjulian } 77493746Sjulian if (i == MY_TIMEOUT) 77593746Sjulian printf("my%d: failed to force tx and rx to idle \n", 77693746Sjulian sc->my_unit); 77793746Sjulian } 77893746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS1000); 77993746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS10); 78093746Sjulian if (bmcr & PHY_BMCR_1000) 78193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS1000); 78293746Sjulian else if (!(bmcr & PHY_BMCR_SPEEDSEL)) 78393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS10); 78493746Sjulian if (bmcr & PHY_BMCR_DUPLEX) 78593746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_FD); 78693746Sjulian else 78793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_FD); 78893746Sjulian if (restart) 78993746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE | MY_RE); 79093746Sjulian MY_UNLOCK(sc); 79193746Sjulian return; 79293746Sjulian} 79393746Sjulian 79493746Sjulianstatic void 79593746Sjulianmy_reset(struct my_softc * sc) 79693746Sjulian{ 79793746Sjulian register int i; 79893746Sjulian 79993746Sjulian MY_LOCK(sc); 80093746Sjulian MY_SETBIT(sc, MY_BCR, MY_SWR); 80193746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 80293746Sjulian DELAY(10); 80393746Sjulian if (!(CSR_READ_4(sc, MY_BCR) & MY_SWR)) 80493746Sjulian break; 80593746Sjulian } 80693746Sjulian if (i == MY_TIMEOUT) 80793746Sjulian printf("m0x%d: reset never completed!\n", sc->my_unit); 80893746Sjulian 80993746Sjulian /* Wait a little while for the chip to get its brains in order. */ 81093746Sjulian DELAY(1000); 81193746Sjulian MY_UNLOCK(sc); 81293746Sjulian return; 81393746Sjulian} 81493746Sjulian 81593746Sjulian/* 81693746Sjulian * Probe for a Myson chip. Check the PCI vendor and device IDs against our 81793746Sjulian * list and return a device name if we find a match. 81893746Sjulian */ 81993746Sjulianstatic int 82093746Sjulianmy_probe(device_t dev) 82193746Sjulian{ 82293746Sjulian struct my_type *t; 82393746Sjulian 82493746Sjulian t = my_devs; 82593746Sjulian while (t->my_name != NULL) { 82693746Sjulian if ((pci_get_vendor(dev) == t->my_vid) && 82793746Sjulian (pci_get_device(dev) == t->my_did)) { 82893746Sjulian device_set_desc(dev, t->my_name); 82993746Sjulian my_info_tmp = t; 83093746Sjulian return (0); 83193746Sjulian } 83293746Sjulian t++; 83393746Sjulian } 83493746Sjulian return (ENXIO); 83593746Sjulian} 83693746Sjulian 83793746Sjulian/* 83893746Sjulian * Attach the interface. Allocate softc structures, do ifmedia setup and 83993746Sjulian * ethernet/BPF attach. 84093746Sjulian */ 84193746Sjulianstatic int 84293746Sjulianmy_attach(device_t dev) 84393746Sjulian{ 84493746Sjulian int s, i; 84593746Sjulian u_char eaddr[ETHER_ADDR_LEN]; 84693746Sjulian u_int32_t command, iobase; 84793746Sjulian struct my_softc *sc; 84893746Sjulian struct ifnet *ifp; 84993746Sjulian int media = IFM_ETHER | IFM_100_TX | IFM_FDX; 85093746Sjulian unsigned int round; 85193746Sjulian caddr_t roundptr; 85293746Sjulian struct my_type *p; 85393746Sjulian u_int16_t phy_vid, phy_did, phy_sts = 0; 85493746Sjulian int rid, unit, error = 0; 85593746Sjulian 85693746Sjulian s = splimp(); 85793746Sjulian sc = device_get_softc(dev); 85893746Sjulian unit = device_get_unit(dev); 85993746Sjulian if (sc == NULL) { 86093746Sjulian printf("my%d: no memory for softc struct!\n", unit); 86193746Sjulian error = ENXIO; 86293746Sjulian goto fail; 86393746Sjulian 86493746Sjulian } 86593746Sjulian bzero(sc, sizeof(struct my_softc)); 86695803Sjulian mtx_init(&sc->my_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 86795803Sjulian MTX_DEF | MTX_RECURSE); 86893746Sjulian MY_LOCK(sc); 86993746Sjulian 87093746Sjulian /* 87193746Sjulian * Map control/status registers. 87293746Sjulian */ 87394863Sjulian#if 0 87494863Sjulian command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 87594863Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 87694863Sjulian pci_write_config(dev, PCI_COMMAND_STATUS_REG, command & 0x000000ff, 4); 87794863Sjulian command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 87894863Sjulian#endif 87993746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 88093746Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 88193746Sjulian pci_write_config(dev, PCIR_COMMAND, command & 0x000000ff, 4); 88293746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 88393746Sjulian 88493746Sjulian if (my_info_tmp->my_did == MTD800ID) { 88593746Sjulian iobase = pci_read_config(dev, MY_PCI_LOIO, 4); 88693746Sjulian if (iobase & 0x300) 88793746Sjulian MY_USEIOSPACE = 0; 88893746Sjulian } 88993746Sjulian if (MY_USEIOSPACE) { 89093746Sjulian if (!(command & PCIM_CMD_PORTEN)) { 89193746Sjulian printf("my%d: failed to enable I/O ports!\n", unit); 89293746Sjulian free(sc, M_DEVBUF); 89393746Sjulian error = ENXIO; 89493746Sjulian goto fail; 89593746Sjulian } 89693746Sjulian#if 0 89794863Sjulian if (!pci_map_port(config_id, MY_PCI_LOIO, (u_int16_t *) & (sc->my_bhandle))) { 89894863Sjulian printf("my%d: couldn't map ports\n", unit); 89994863Sjulian error = ENXIO; 90094863Sjulian goto fail; 90193746Sjulian } 90293746Sjulian 90393746Sjulian sc->my_btag = I386_BUS_SPACE_IO; 90493746Sjulian#endif 90593746Sjulian } else { 90693746Sjulian if (!(command & PCIM_CMD_MEMEN)) { 90793746Sjulian printf("my%d: failed to enable memory mapping!\n", 90893746Sjulian unit); 90993746Sjulian error = ENXIO; 91093746Sjulian goto fail; 91193746Sjulian } 91293746Sjulian#if 0 91393746Sjulian if (!pci_map_mem(config_id, MY_PCI_LOMEM, &vbase, &pbase)) { 91493746Sjulian printf ("my%d: couldn't map memory\n", unit); 91593746Sjulian error = ENXIO; 91693746Sjulian goto fail; 91793746Sjulian } 91894863Sjulian sc->my_btag = I386_BUS_SPACE_MEM; 91994863Sjulian sc->my_bhandle = vbase; 92093746Sjulian#endif 92193746Sjulian } 92293746Sjulian 92393746Sjulian rid = MY_RID; 92493746Sjulian sc->my_res = bus_alloc_resource(dev, MY_RES, &rid, 92593746Sjulian 0, ~0, 1, RF_ACTIVE); 92693746Sjulian 92793746Sjulian if (sc->my_res == NULL) { 92893746Sjulian printf("my%d: couldn't map ports/memory\n", unit); 92993746Sjulian error = ENXIO; 93093746Sjulian goto fail; 93193746Sjulian } 93293746Sjulian sc->my_btag = rman_get_bustag(sc->my_res); 93393746Sjulian sc->my_bhandle = rman_get_bushandle(sc->my_res); 93493746Sjulian 93593746Sjulian rid = 0; 93693746Sjulian sc->my_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 93793746Sjulian RF_SHAREABLE | RF_ACTIVE); 93893746Sjulian 93993746Sjulian if (sc->my_irq == NULL) { 94093746Sjulian printf("my%d: couldn't map interrupt\n", unit); 94193746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 94293746Sjulian error = ENXIO; 94393746Sjulian goto fail; 94493746Sjulian } 94593746Sjulian error = bus_setup_intr(dev, sc->my_irq, INTR_TYPE_NET, 94693746Sjulian my_intr, sc, &sc->my_intrhand); 94793746Sjulian 94893746Sjulian if (error) { 94993746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 95093746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 95193746Sjulian printf("my%d: couldn't set up irq\n", unit); 95293746Sjulian goto fail; 95393746Sjulian } 95493746Sjulian callout_handle_init(&sc->my_stat_ch); 95593746Sjulian 95693746Sjulian sc->my_info = my_info_tmp; 95793746Sjulian 95893746Sjulian /* Reset the adapter. */ 95993746Sjulian my_reset(sc); 96093746Sjulian 96193746Sjulian /* 96293746Sjulian * Get station address 96393746Sjulian */ 96493746Sjulian for (i = 0; i < ETHER_ADDR_LEN; ++i) 96593746Sjulian eaddr[i] = CSR_READ_1(sc, MY_PAR0 + i); 96693746Sjulian 96793746Sjulian /* 96893746Sjulian * A Myson chip was detected. Inform the world. 96993746Sjulian */ 97093746Sjulian printf("my%d: Ethernet address: %6D\n", unit, eaddr, ":"); 97193746Sjulian 97293746Sjulian sc->my_unit = unit; 97393746Sjulian bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 97493746Sjulian 97593746Sjulian sc->my_ldata_ptr = malloc(sizeof(struct my_list_data) + 8, 97693746Sjulian M_DEVBUF, M_NOWAIT); 97793746Sjulian if (sc->my_ldata_ptr == NULL) { 97893746Sjulian free(sc, M_DEVBUF); 97993746Sjulian printf("my%d: no memory for list buffers!\n", unit); 98093746Sjulian error = ENXIO; 98193746Sjulian goto fail; 98293746Sjulian } 98393746Sjulian sc->my_ldata = (struct my_list_data *) sc->my_ldata_ptr; 984106588Sjhb round = (uintptr_t)sc->my_ldata_ptr & 0xF; 98593746Sjulian roundptr = sc->my_ldata_ptr; 98693746Sjulian for (i = 0; i < 8; i++) { 98793746Sjulian if (round % 8) { 98893746Sjulian round++; 98993746Sjulian roundptr++; 99093746Sjulian } else 99193746Sjulian break; 99293746Sjulian } 99393746Sjulian sc->my_ldata = (struct my_list_data *) roundptr; 99493746Sjulian bzero(sc->my_ldata, sizeof(struct my_list_data)); 99593746Sjulian 99693746Sjulian ifp = &sc->arpcom.ac_if; 99793746Sjulian ifp->if_softc = sc; 99893746Sjulian ifp->if_unit = unit; 99993746Sjulian ifp->if_name = "my"; 100093746Sjulian ifp->if_mtu = ETHERMTU; 100193746Sjulian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 100293746Sjulian ifp->if_ioctl = my_ioctl; 100393746Sjulian ifp->if_output = ether_output; 100493746Sjulian ifp->if_start = my_start; 100593746Sjulian ifp->if_watchdog = my_watchdog; 100693746Sjulian ifp->if_init = my_init; 100793746Sjulian ifp->if_baudrate = 10000000; 100893746Sjulian ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 100993746Sjulian 101093746Sjulian if (sc->my_info->my_did == MTD803ID) 101193746Sjulian sc->my_pinfo = my_phys; 101293746Sjulian else { 101393746Sjulian if (bootverbose) 101493746Sjulian printf("my%d: probing for a PHY\n", sc->my_unit); 101593746Sjulian for (i = MY_PHYADDR_MIN; i < MY_PHYADDR_MAX + 1; i++) { 101693746Sjulian if (bootverbose) 101793746Sjulian printf("my%d: checking address: %d\n", 101893746Sjulian sc->my_unit, i); 101993746Sjulian sc->my_phy_addr = i; 102093746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 102193746Sjulian if ((phy_sts != 0) && (phy_sts != 0xffff)) 102293746Sjulian break; 102393746Sjulian else 102493746Sjulian phy_sts = 0; 102593746Sjulian } 102693746Sjulian if (phy_sts) { 102793746Sjulian phy_vid = my_phy_readreg(sc, PHY_VENID); 102893746Sjulian phy_did = my_phy_readreg(sc, PHY_DEVID); 102993746Sjulian if (bootverbose) { 103093746Sjulian printf("my%d: found PHY at address %d, ", 103193746Sjulian sc->my_unit, sc->my_phy_addr); 103293746Sjulian printf("vendor id: %x device id: %x\n", 103393746Sjulian phy_vid, phy_did); 103493746Sjulian } 103593746Sjulian p = my_phys; 103693746Sjulian while (p->my_vid) { 103793746Sjulian if (phy_vid == p->my_vid) { 103893746Sjulian sc->my_pinfo = p; 103993746Sjulian break; 104093746Sjulian } 104193746Sjulian p++; 104293746Sjulian } 104393746Sjulian if (sc->my_pinfo == NULL) 104493746Sjulian sc->my_pinfo = &my_phys[PHY_UNKNOWN]; 104593746Sjulian if (bootverbose) 104693746Sjulian printf("my%d: PHY type: %s\n", 104793746Sjulian sc->my_unit, sc->my_pinfo->my_name); 104893746Sjulian } else { 104993746Sjulian printf("my%d: MII without any phy!\n", sc->my_unit); 105093746Sjulian error = ENXIO; 105193746Sjulian goto fail; 105293746Sjulian } 105393746Sjulian } 105493746Sjulian 105593746Sjulian /* Do ifmedia setup. */ 105693746Sjulian ifmedia_init(&sc->ifmedia, 0, my_ifmedia_upd, my_ifmedia_sts); 105793746Sjulian my_getmode_mii(sc); 105893746Sjulian my_autoneg_mii(sc, MY_FLAG_FORCEDELAY, 1); 105993746Sjulian media = sc->ifmedia.ifm_media; 106093746Sjulian my_stop(sc); 106193746Sjulian ifmedia_set(&sc->ifmedia, media); 106293746Sjulian 1063106937Ssam ether_ifattach(ifp, eaddr); 106493746Sjulian 106593746Sjulian#if 0 106693746Sjulian at_shutdown(my_shutdown, sc, SHUTDOWN_POST_SYNC); 106793746Sjulian shutdownhook_establish(my_shutdown, sc); 106893746Sjulian#endif 106993746Sjulian 107093746Sjulian MY_UNLOCK(sc); 107193746Sjulian return (0); 107293746Sjulian 107393746Sjulianfail: 107493746Sjulian MY_UNLOCK(sc); 107593746Sjulian mtx_destroy(&sc->my_mtx); 107693746Sjulian splx(s); 107793746Sjulian return (error); 107893746Sjulian} 107993746Sjulian 108093746Sjulianstatic int 108193746Sjulianmy_detach(device_t dev) 108293746Sjulian{ 108393746Sjulian struct my_softc *sc; 108493746Sjulian struct ifnet *ifp; 108593746Sjulian int s; 108693746Sjulian 108793746Sjulian s = splimp(); 108893746Sjulian sc = device_get_softc(dev); 108993746Sjulian MY_LOCK(sc); 109093746Sjulian ifp = &sc->arpcom.ac_if; 1091106937Ssam ether_ifdetach(ifp); 109293746Sjulian my_stop(sc); 109393746Sjulian 109494863Sjulian#if 0 109594863Sjulian bus_generic_detach(dev); 109694863Sjulian device_delete_child(dev, sc->rl_miibus); 109794863Sjulian#endif 109894863Sjulian 109993746Sjulian bus_teardown_intr(dev, sc->my_irq, sc->my_intrhand); 110093746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 110193746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 110294863Sjulian#if 0 110394863Sjulian contigfree(sc->my_cdata.my_rx_buf, MY_RXBUFLEN + 32, M_DEVBUF); 110494863Sjulian#endif 110593746Sjulian free(sc, M_DEVBUF); 110693746Sjulian MY_UNLOCK(sc); 110793746Sjulian splx(s); 110893746Sjulian mtx_destroy(&sc->my_mtx); 110993746Sjulian return (0); 111093746Sjulian} 111193746Sjulian 111293746Sjulian 111393746Sjulian/* 111493746Sjulian * Initialize the transmit descriptors. 111593746Sjulian */ 111693746Sjulianstatic int 111793746Sjulianmy_list_tx_init(struct my_softc * sc) 111893746Sjulian{ 111993746Sjulian struct my_chain_data *cd; 112093746Sjulian struct my_list_data *ld; 112193746Sjulian int i; 112293746Sjulian 112393746Sjulian MY_LOCK(sc); 112493746Sjulian cd = &sc->my_cdata; 112593746Sjulian ld = sc->my_ldata; 112693746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 112793746Sjulian cd->my_tx_chain[i].my_ptr = &ld->my_tx_list[i]; 112893746Sjulian if (i == (MY_TX_LIST_CNT - 1)) 112993746Sjulian cd->my_tx_chain[i].my_nextdesc = &cd->my_tx_chain[0]; 113093746Sjulian else 113193746Sjulian cd->my_tx_chain[i].my_nextdesc = 113293746Sjulian &cd->my_tx_chain[i + 1]; 113393746Sjulian } 113493746Sjulian cd->my_tx_free = &cd->my_tx_chain[0]; 113593746Sjulian cd->my_tx_tail = cd->my_tx_head = NULL; 113693746Sjulian MY_UNLOCK(sc); 113793746Sjulian return (0); 113893746Sjulian} 113993746Sjulian 114093746Sjulian/* 114193746Sjulian * Initialize the RX descriptors and allocate mbufs for them. Note that we 114293746Sjulian * arrange the descriptors in a closed ring, so that the last descriptor 114393746Sjulian * points back to the first. 114493746Sjulian */ 114593746Sjulianstatic int 114693746Sjulianmy_list_rx_init(struct my_softc * sc) 114793746Sjulian{ 114893746Sjulian struct my_chain_data *cd; 114993746Sjulian struct my_list_data *ld; 115093746Sjulian int i; 115193746Sjulian 115293746Sjulian MY_LOCK(sc); 115393746Sjulian cd = &sc->my_cdata; 115493746Sjulian ld = sc->my_ldata; 115593746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 115693746Sjulian cd->my_rx_chain[i].my_ptr = 115793746Sjulian (struct my_desc *) & ld->my_rx_list[i]; 115897641Sjulian if (my_newbuf(sc, &cd->my_rx_chain[i]) == ENOBUFS) { 115997641Sjulian MY_UNLOCK(sc); 116093746Sjulian return (ENOBUFS); 116197641Sjulian } 116293746Sjulian if (i == (MY_RX_LIST_CNT - 1)) { 116393746Sjulian cd->my_rx_chain[i].my_nextdesc = &cd->my_rx_chain[0]; 116493746Sjulian ld->my_rx_list[i].my_next = vtophys(&ld->my_rx_list[0]); 116593746Sjulian } else { 116693746Sjulian cd->my_rx_chain[i].my_nextdesc = 116793746Sjulian &cd->my_rx_chain[i + 1]; 116893746Sjulian ld->my_rx_list[i].my_next = 116993746Sjulian vtophys(&ld->my_rx_list[i + 1]); 117093746Sjulian } 117193746Sjulian } 117293746Sjulian cd->my_rx_head = &cd->my_rx_chain[0]; 117393746Sjulian MY_UNLOCK(sc); 117493746Sjulian return (0); 117593746Sjulian} 117693746Sjulian 117793746Sjulian/* 117893746Sjulian * Initialize an RX descriptor and attach an MBUF cluster. 117993746Sjulian */ 118093746Sjulianstatic int 118193746Sjulianmy_newbuf(struct my_softc * sc, struct my_chain_onefrag * c) 118293746Sjulian{ 118393746Sjulian struct mbuf *m_new = NULL; 118493746Sjulian 118593746Sjulian MY_LOCK(sc); 1186111119Simp MGETHDR(m_new, M_DONTWAIT, MT_DATA); 118793746Sjulian if (m_new == NULL) { 118893746Sjulian printf("my%d: no memory for rx list -- packet dropped!\n", 118993746Sjulian sc->my_unit); 119095939Sjulian MY_UNLOCK(sc); 119193746Sjulian return (ENOBUFS); 119293746Sjulian } 1193111119Simp MCLGET(m_new, M_DONTWAIT); 119493746Sjulian if (!(m_new->m_flags & M_EXT)) { 119593746Sjulian printf("my%d: no memory for rx list -- packet dropped!\n", 119693746Sjulian sc->my_unit); 119793746Sjulian m_freem(m_new); 119895939Sjulian MY_UNLOCK(sc); 119993746Sjulian return (ENOBUFS); 120093746Sjulian } 120193746Sjulian c->my_mbuf = m_new; 120293746Sjulian c->my_ptr->my_data = vtophys(mtod(m_new, caddr_t)); 120393746Sjulian c->my_ptr->my_ctl = (MCLBYTES - 1) << MY_RBSShift; 120493746Sjulian c->my_ptr->my_status = MY_OWNByNIC; 120593746Sjulian MY_UNLOCK(sc); 120693746Sjulian return (0); 120793746Sjulian} 120893746Sjulian 120993746Sjulian/* 121093746Sjulian * A frame has been uploaded: pass the resulting mbuf chain up to the higher 121193746Sjulian * level protocols. 121293746Sjulian */ 121393746Sjulianstatic void 121493746Sjulianmy_rxeof(struct my_softc * sc) 121593746Sjulian{ 121693746Sjulian struct ether_header *eh; 121793746Sjulian struct mbuf *m; 121893746Sjulian struct ifnet *ifp; 121993746Sjulian struct my_chain_onefrag *cur_rx; 122093746Sjulian int total_len = 0; 122193746Sjulian u_int32_t rxstat; 122293746Sjulian 122393746Sjulian MY_LOCK(sc); 122493746Sjulian ifp = &sc->arpcom.ac_if; 122593746Sjulian while (!((rxstat = sc->my_cdata.my_rx_head->my_ptr->my_status) 122693746Sjulian & MY_OWNByNIC)) { 122793746Sjulian cur_rx = sc->my_cdata.my_rx_head; 122893746Sjulian sc->my_cdata.my_rx_head = cur_rx->my_nextdesc; 122993746Sjulian 123093746Sjulian if (rxstat & MY_ES) { /* error summary: give up this rx pkt */ 123193746Sjulian ifp->if_ierrors++; 123293746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 123393746Sjulian continue; 123493746Sjulian } 123593746Sjulian /* No errors; receive the packet. */ 123693746Sjulian total_len = (rxstat & MY_FLNGMASK) >> MY_FLNGShift; 123793746Sjulian total_len -= ETHER_CRC_LEN; 123893746Sjulian 123993746Sjulian if (total_len < MINCLSIZE) { 124093746Sjulian m = m_devget(mtod(cur_rx->my_mbuf, char *), 124193746Sjulian total_len, 0, ifp, NULL); 124293746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 124393746Sjulian if (m == NULL) { 124493746Sjulian ifp->if_ierrors++; 124593746Sjulian continue; 124693746Sjulian } 124793746Sjulian } else { 124893746Sjulian m = cur_rx->my_mbuf; 124993746Sjulian /* 125093746Sjulian * Try to conjure up a new mbuf cluster. If that 125193746Sjulian * fails, it means we have an out of memory condition 125293746Sjulian * and should leave the buffer in place and continue. 125393746Sjulian * This will result in a lost packet, but there's 125493746Sjulian * little else we can do in this situation. 125593746Sjulian */ 125693746Sjulian if (my_newbuf(sc, cur_rx) == ENOBUFS) { 125793746Sjulian ifp->if_ierrors++; 125893746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 125993746Sjulian continue; 126093746Sjulian } 126193746Sjulian m->m_pkthdr.rcvif = ifp; 126293746Sjulian m->m_pkthdr.len = m->m_len = total_len; 126393746Sjulian } 126493746Sjulian ifp->if_ipackets++; 126593746Sjulian eh = mtod(m, struct ether_header *); 126693746Sjulian#if NBPFILTER > 0 126793746Sjulian /* 126893746Sjulian * Handle BPF listeners. Let the BPF user see the packet, but 126993746Sjulian * don't pass it up to the ether_input() layer unless it's a 127093746Sjulian * broadcast packet, multicast packet, matches our ethernet 127193746Sjulian * address or the interface is in promiscuous mode. 127293746Sjulian */ 127393746Sjulian if (ifp->if_bpf) { 1274106937Ssam BPF_MTAP(ifp, m); 127593746Sjulian if (ifp->if_flags & IFF_PROMISC && 127693746Sjulian (bcmp(eh->ether_dhost, sc->arpcom.ac_enaddr, 127793746Sjulian ETHER_ADDR_LEN) && 127893746Sjulian (eh->ether_dhost[0] & 1) == 0)) { 127993746Sjulian m_freem(m); 128093746Sjulian continue; 128193746Sjulian } 128293746Sjulian } 128393746Sjulian#endif 1284106937Ssam (*ifp->if_input)(ifp, m); 128593746Sjulian } 128693746Sjulian MY_UNLOCK(sc); 128793746Sjulian return; 128893746Sjulian} 128993746Sjulian 129093746Sjulian 129193746Sjulian/* 129293746Sjulian * A frame was downloaded to the chip. It's safe for us to clean up the list 129393746Sjulian * buffers. 129493746Sjulian */ 129593746Sjulianstatic void 129693746Sjulianmy_txeof(struct my_softc * sc) 129793746Sjulian{ 129893746Sjulian struct my_chain *cur_tx; 129993746Sjulian struct ifnet *ifp; 130093746Sjulian 130193746Sjulian MY_LOCK(sc); 130293746Sjulian ifp = &sc->arpcom.ac_if; 130393746Sjulian /* Clear the timeout timer. */ 130493746Sjulian ifp->if_timer = 0; 130595939Sjulian if (sc->my_cdata.my_tx_head == NULL) { 130695939Sjulian MY_UNLOCK(sc); 130793746Sjulian return; 130895939Sjulian } 130993746Sjulian /* 131093746Sjulian * Go through our tx list and free mbufs for those frames that have 131193746Sjulian * been transmitted. 131293746Sjulian */ 131393746Sjulian while (sc->my_cdata.my_tx_head->my_mbuf != NULL) { 131493746Sjulian u_int32_t txstat; 131593746Sjulian 131693746Sjulian cur_tx = sc->my_cdata.my_tx_head; 131793746Sjulian txstat = MY_TXSTATUS(cur_tx); 131893746Sjulian if ((txstat & MY_OWNByNIC) || txstat == MY_UNSENT) 131993746Sjulian break; 132093746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced)) { 132193746Sjulian if (txstat & MY_TXERR) { 132293746Sjulian ifp->if_oerrors++; 132393746Sjulian if (txstat & MY_EC) /* excessive collision */ 132493746Sjulian ifp->if_collisions++; 132593746Sjulian if (txstat & MY_LC) /* late collision */ 132693746Sjulian ifp->if_collisions++; 132793746Sjulian } 132893746Sjulian ifp->if_collisions += (txstat & MY_NCRMASK) >> 132993746Sjulian MY_NCRShift; 133093746Sjulian } 133193746Sjulian ifp->if_opackets++; 133293746Sjulian m_freem(cur_tx->my_mbuf); 133393746Sjulian cur_tx->my_mbuf = NULL; 133493746Sjulian if (sc->my_cdata.my_tx_head == sc->my_cdata.my_tx_tail) { 133593746Sjulian sc->my_cdata.my_tx_head = NULL; 133693746Sjulian sc->my_cdata.my_tx_tail = NULL; 133793746Sjulian break; 133893746Sjulian } 133993746Sjulian sc->my_cdata.my_tx_head = cur_tx->my_nextdesc; 134093746Sjulian } 134193746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced) { 134293746Sjulian ifp->if_collisions += (CSR_READ_4(sc, MY_TSR) & MY_NCRMask); 134393746Sjulian } 134493746Sjulian MY_UNLOCK(sc); 134593746Sjulian return; 134693746Sjulian} 134793746Sjulian 134893746Sjulian/* 134993746Sjulian * TX 'end of channel' interrupt handler. 135093746Sjulian */ 135193746Sjulianstatic void 135293746Sjulianmy_txeoc(struct my_softc * sc) 135393746Sjulian{ 135493746Sjulian struct ifnet *ifp; 135593746Sjulian 135693746Sjulian MY_LOCK(sc); 135793746Sjulian ifp = &sc->arpcom.ac_if; 135893746Sjulian ifp->if_timer = 0; 135993746Sjulian if (sc->my_cdata.my_tx_head == NULL) { 136093746Sjulian ifp->if_flags &= ~IFF_OACTIVE; 136193746Sjulian sc->my_cdata.my_tx_tail = NULL; 136293746Sjulian if (sc->my_want_auto) 136393746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 136493746Sjulian } else { 136593746Sjulian if (MY_TXOWN(sc->my_cdata.my_tx_head) == MY_UNSENT) { 136693746Sjulian MY_TXOWN(sc->my_cdata.my_tx_head) = MY_OWNByNIC; 136793746Sjulian ifp->if_timer = 5; 136893746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); 136993746Sjulian } 137093746Sjulian } 137193746Sjulian MY_UNLOCK(sc); 137293746Sjulian return; 137393746Sjulian} 137493746Sjulian 137593746Sjulianstatic void 137693746Sjulianmy_intr(void *arg) 137793746Sjulian{ 137893746Sjulian struct my_softc *sc; 137993746Sjulian struct ifnet *ifp; 138093746Sjulian u_int32_t status; 138193746Sjulian 138293746Sjulian sc = arg; 138393746Sjulian MY_LOCK(sc); 138493746Sjulian ifp = &sc->arpcom.ac_if; 138593746Sjulian if (!(ifp->if_flags & IFF_UP)) { 138693746Sjulian MY_UNLOCK(sc); 138793746Sjulian return; 138893746Sjulian } 138993746Sjulian /* Disable interrupts. */ 139093746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 139193746Sjulian 139293746Sjulian for (;;) { 139393746Sjulian status = CSR_READ_4(sc, MY_ISR); 139493746Sjulian status &= MY_INTRS; 139593746Sjulian if (status) 139693746Sjulian CSR_WRITE_4(sc, MY_ISR, status); 139793746Sjulian else 139893746Sjulian break; 139993746Sjulian 140093746Sjulian if (status & MY_RI) /* receive interrupt */ 140193746Sjulian my_rxeof(sc); 140293746Sjulian 140393746Sjulian if ((status & MY_RBU) || (status & MY_RxErr)) { 140493746Sjulian /* rx buffer unavailable or rx error */ 140593746Sjulian ifp->if_ierrors++; 140693746Sjulian#ifdef foo 140793746Sjulian my_stop(sc); 140893746Sjulian my_reset(sc); 140993746Sjulian my_init(sc); 141093746Sjulian#endif 141193746Sjulian } 141293746Sjulian if (status & MY_TI) /* tx interrupt */ 141393746Sjulian my_txeof(sc); 141493746Sjulian if (status & MY_ETI) /* tx early interrupt */ 141593746Sjulian my_txeof(sc); 141693746Sjulian if (status & MY_TBU) /* tx buffer unavailable */ 141793746Sjulian my_txeoc(sc); 141894863Sjulian 141994863Sjulian#if 0 /* 90/1/18 delete */ 142094863Sjulian if (status & MY_FBE) { 142194863Sjulian my_reset(sc); 142294863Sjulian my_init(sc); 142394863Sjulian } 142494863Sjulian#endif 142594863Sjulian 142693746Sjulian } 142793746Sjulian 142893746Sjulian /* Re-enable interrupts. */ 142993746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 143093746Sjulian if (ifp->if_snd.ifq_head != NULL) 143193746Sjulian my_start(ifp); 143293746Sjulian MY_UNLOCK(sc); 143393746Sjulian return; 143493746Sjulian} 143593746Sjulian 143693746Sjulian/* 143793746Sjulian * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data 143893746Sjulian * pointers to the fragment pointers. 143993746Sjulian */ 144093746Sjulianstatic int 144193746Sjulianmy_encap(struct my_softc * sc, struct my_chain * c, struct mbuf * m_head) 144293746Sjulian{ 144393746Sjulian struct my_desc *f = NULL; 144493746Sjulian int total_len; 144593746Sjulian struct mbuf *m, *m_new = NULL; 144693746Sjulian 144793746Sjulian MY_LOCK(sc); 144893746Sjulian /* calculate the total tx pkt length */ 144993746Sjulian total_len = 0; 145093746Sjulian for (m = m_head; m != NULL; m = m->m_next) 145193746Sjulian total_len += m->m_len; 145293746Sjulian /* 145393746Sjulian * Start packing the mbufs in this chain into the fragment pointers. 145493746Sjulian * Stop when we run out of fragments or hit the end of the mbuf 145593746Sjulian * chain. 145693746Sjulian */ 145793746Sjulian m = m_head; 1458111119Simp MGETHDR(m_new, M_DONTWAIT, MT_DATA); 145993746Sjulian if (m_new == NULL) { 146093746Sjulian printf("my%d: no memory for tx list", sc->my_unit); 146195939Sjulian MY_UNLOCK(sc); 146293746Sjulian return (1); 146393746Sjulian } 146493746Sjulian if (m_head->m_pkthdr.len > MHLEN) { 1465111119Simp MCLGET(m_new, M_DONTWAIT); 146693746Sjulian if (!(m_new->m_flags & M_EXT)) { 146793746Sjulian m_freem(m_new); 146893746Sjulian printf("my%d: no memory for tx list", sc->my_unit); 146995939Sjulian MY_UNLOCK(sc); 147093746Sjulian return (1); 147193746Sjulian } 147293746Sjulian } 147393746Sjulian m_copydata(m_head, 0, m_head->m_pkthdr.len, mtod(m_new, caddr_t)); 147493746Sjulian m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len; 147593746Sjulian m_freem(m_head); 147693746Sjulian m_head = m_new; 147793746Sjulian f = &c->my_ptr->my_frag[0]; 147893746Sjulian f->my_status = 0; 147993746Sjulian f->my_data = vtophys(mtod(m_new, caddr_t)); 148093746Sjulian total_len = m_new->m_len; 148193746Sjulian f->my_ctl = MY_TXFD | MY_TXLD | MY_CRCEnable | MY_PADEnable; 148293746Sjulian f->my_ctl |= total_len << MY_PKTShift; /* pkt size */ 148393746Sjulian f->my_ctl |= total_len; /* buffer size */ 148494904Sjulian /* 89/12/29 add, for mtd891 *//* [ 89? ] */ 148593746Sjulian if (sc->my_info->my_did == MTD891ID) 148693746Sjulian f->my_ctl |= MY_ETIControl | MY_RetryTxLC; 148793746Sjulian c->my_mbuf = m_head; 148893746Sjulian c->my_lastdesc = 0; 148993746Sjulian MY_TXNEXT(c) = vtophys(&c->my_nextdesc->my_ptr->my_frag[0]); 149093746Sjulian MY_UNLOCK(sc); 149193746Sjulian return (0); 149293746Sjulian} 149393746Sjulian 149493746Sjulian/* 149593746Sjulian * Main transmit routine. To avoid having to do mbuf copies, we put pointers 149693746Sjulian * to the mbuf data regions directly in the transmit lists. We also save a 149793746Sjulian * copy of the pointers since the transmit list fragment pointers are 149893746Sjulian * physical addresses. 149993746Sjulian */ 150093746Sjulianstatic void 150193746Sjulianmy_start(struct ifnet * ifp) 150293746Sjulian{ 150393746Sjulian struct my_softc *sc; 150493746Sjulian struct mbuf *m_head = NULL; 150593746Sjulian struct my_chain *cur_tx = NULL, *start_tx; 150693746Sjulian 150793746Sjulian sc = ifp->if_softc; 150893746Sjulian MY_LOCK(sc); 150993746Sjulian if (sc->my_autoneg) { 151093746Sjulian sc->my_tx_pend = 1; 151193746Sjulian MY_UNLOCK(sc); 151293746Sjulian return; 151393746Sjulian } 151493746Sjulian /* 151593746Sjulian * Check for an available queue slot. If there are none, punt. 151693746Sjulian */ 151793746Sjulian if (sc->my_cdata.my_tx_free->my_mbuf != NULL) { 151893746Sjulian ifp->if_flags |= IFF_OACTIVE; 151993746Sjulian MY_UNLOCK(sc); 152093746Sjulian return; 152193746Sjulian } 152293746Sjulian start_tx = sc->my_cdata.my_tx_free; 152393746Sjulian while (sc->my_cdata.my_tx_free->my_mbuf == NULL) { 152493746Sjulian IF_DEQUEUE(&ifp->if_snd, m_head); 152593746Sjulian if (m_head == NULL) 152693746Sjulian break; 152793746Sjulian 152893746Sjulian /* Pick a descriptor off the free list. */ 152993746Sjulian cur_tx = sc->my_cdata.my_tx_free; 153093746Sjulian sc->my_cdata.my_tx_free = cur_tx->my_nextdesc; 153193746Sjulian 153293746Sjulian /* Pack the data into the descriptor. */ 153393746Sjulian my_encap(sc, cur_tx, m_head); 153493746Sjulian 153593746Sjulian if (cur_tx != start_tx) 153693746Sjulian MY_TXOWN(cur_tx) = MY_OWNByNIC; 153793746Sjulian#if NBPFILTER > 0 153893746Sjulian /* 153993746Sjulian * If there's a BPF listener, bounce a copy of this frame to 154093746Sjulian * him. 154193746Sjulian */ 1542106937Ssam BPF_MTAP(ifp, cur_tx->my_mbuf); 154393746Sjulian#endif 154493746Sjulian } 154593746Sjulian /* 154693746Sjulian * If there are no packets queued, bail. 154793746Sjulian */ 154893746Sjulian if (cur_tx == NULL) { 154993746Sjulian MY_UNLOCK(sc); 155093746Sjulian return; 155193746Sjulian } 155293746Sjulian /* 155393746Sjulian * Place the request for the upload interrupt in the last descriptor 155493746Sjulian * in the chain. This way, if we're chaining several packets at once, 155593746Sjulian * we'll only get an interupt once for the whole chain rather than 155693746Sjulian * once for each packet. 155793746Sjulian */ 155893746Sjulian MY_TXCTL(cur_tx) |= MY_TXIC; 155993746Sjulian cur_tx->my_ptr->my_frag[0].my_ctl |= MY_TXIC; 156093746Sjulian sc->my_cdata.my_tx_tail = cur_tx; 156193746Sjulian if (sc->my_cdata.my_tx_head == NULL) 156293746Sjulian sc->my_cdata.my_tx_head = start_tx; 156393746Sjulian MY_TXOWN(start_tx) = MY_OWNByNIC; 156493746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); /* tx polling demand */ 156593746Sjulian 156693746Sjulian /* 156793746Sjulian * Set a timeout in case the chip goes out to lunch. 156893746Sjulian */ 156993746Sjulian ifp->if_timer = 5; 157093746Sjulian MY_UNLOCK(sc); 157193746Sjulian return; 157293746Sjulian} 157393746Sjulian 157493746Sjulianstatic void 157593746Sjulianmy_init(void *xsc) 157693746Sjulian{ 157793746Sjulian struct my_softc *sc = xsc; 157893746Sjulian struct ifnet *ifp = &sc->arpcom.ac_if; 157993746Sjulian int s; 158093746Sjulian u_int16_t phy_bmcr = 0; 158193746Sjulian 158293746Sjulian MY_LOCK(sc); 158393746Sjulian if (sc->my_autoneg) { 158493746Sjulian MY_UNLOCK(sc); 158593746Sjulian return; 158693746Sjulian } 158793746Sjulian s = splimp(); 158893746Sjulian if (sc->my_pinfo != NULL) 158993746Sjulian phy_bmcr = my_phy_readreg(sc, PHY_BMCR); 159093746Sjulian /* 159193746Sjulian * Cancel pending I/O and free all RX/TX buffers. 159293746Sjulian */ 159393746Sjulian my_stop(sc); 159493746Sjulian my_reset(sc); 159593746Sjulian 159693746Sjulian /* 159793746Sjulian * Set cache alignment and burst length. 159893746Sjulian */ 159994863Sjulian#if 0 /* 89/9/1 modify, */ 160094863Sjulian CSR_WRITE_4(sc, MY_BCR, MY_RPBLE512); 160194863Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF); 160294863Sjulian#endif 160393746Sjulian CSR_WRITE_4(sc, MY_BCR, MY_PBL8); 160493746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF | MY_RBLEN | MY_RPBLE512); 160593746Sjulian /* 160693746Sjulian * 89/12/29 add, for mtd891, 160793746Sjulian */ 160893746Sjulian if (sc->my_info->my_did == MTD891ID) { 160993746Sjulian MY_SETBIT(sc, MY_BCR, MY_PROG); 161093746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_Enhanced); 161193746Sjulian } 161293746Sjulian my_setcfg(sc, phy_bmcr); 161393746Sjulian /* Init circular RX list. */ 161493746Sjulian if (my_list_rx_init(sc) == ENOBUFS) { 161593746Sjulian printf("my%d: init failed: no memory for rx buffers\n", 161693746Sjulian sc->my_unit); 161793746Sjulian my_stop(sc); 161893746Sjulian (void)splx(s); 161993746Sjulian MY_UNLOCK(sc); 162093746Sjulian return; 162193746Sjulian } 162293746Sjulian /* Init TX descriptors. */ 162393746Sjulian my_list_tx_init(sc); 162493746Sjulian 162593746Sjulian /* If we want promiscuous mode, set the allframes bit. */ 162693746Sjulian if (ifp->if_flags & IFF_PROMISC) 162793746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PROM); 162893746Sjulian else 162993746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PROM); 163093746Sjulian 163193746Sjulian /* 163293746Sjulian * Set capture broadcast bit to capture broadcast frames. 163393746Sjulian */ 163493746Sjulian if (ifp->if_flags & IFF_BROADCAST) 163593746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_AB); 163693746Sjulian else 163793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_AB); 163893746Sjulian 163993746Sjulian /* 164093746Sjulian * Program the multicast filter, if necessary. 164193746Sjulian */ 164293746Sjulian my_setmulti(sc); 164393746Sjulian 164493746Sjulian /* 164593746Sjulian * Load the address of the RX list. 164693746Sjulian */ 164793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_RE); 164893746Sjulian CSR_WRITE_4(sc, MY_RXLBA, vtophys(&sc->my_ldata->my_rx_list[0])); 164993746Sjulian 165093746Sjulian /* 165193746Sjulian * Enable interrupts. 165293746Sjulian */ 165393746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 165493746Sjulian CSR_WRITE_4(sc, MY_ISR, 0xFFFFFFFF); 165593746Sjulian 165693746Sjulian /* Enable receiver and transmitter. */ 165793746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_RE); 165893746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_TE); 165993746Sjulian CSR_WRITE_4(sc, MY_TXLBA, vtophys(&sc->my_ldata->my_tx_list[0])); 166093746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE); 166193746Sjulian 166293746Sjulian /* Restore state of BMCR */ 166393746Sjulian if (sc->my_pinfo != NULL) 166493746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_bmcr); 166593746Sjulian ifp->if_flags |= IFF_RUNNING; 166693746Sjulian ifp->if_flags &= ~IFF_OACTIVE; 166793746Sjulian (void)splx(s); 166893746Sjulian MY_UNLOCK(sc); 166993746Sjulian return; 167093746Sjulian} 167193746Sjulian 167293746Sjulian/* 167393746Sjulian * Set media options. 167493746Sjulian */ 167593746Sjulian 167693746Sjulianstatic int 167793746Sjulianmy_ifmedia_upd(struct ifnet * ifp) 167893746Sjulian{ 167993746Sjulian struct my_softc *sc; 168093746Sjulian struct ifmedia *ifm; 168193746Sjulian 168293746Sjulian sc = ifp->if_softc; 168393746Sjulian MY_LOCK(sc); 168493746Sjulian ifm = &sc->ifmedia; 168593746Sjulian if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) { 168693746Sjulian MY_UNLOCK(sc); 168793746Sjulian return (EINVAL); 168893746Sjulian } 168993746Sjulian if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) 169093746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 169193746Sjulian else 169293746Sjulian my_setmode_mii(sc, ifm->ifm_media); 169393746Sjulian MY_UNLOCK(sc); 169493746Sjulian return (0); 169593746Sjulian} 169693746Sjulian 169793746Sjulian/* 169893746Sjulian * Report current media status. 169993746Sjulian */ 170093746Sjulian 170193746Sjulianstatic void 170293746Sjulianmy_ifmedia_sts(struct ifnet * ifp, struct ifmediareq * ifmr) 170393746Sjulian{ 170493746Sjulian struct my_softc *sc; 170593746Sjulian u_int16_t advert = 0, ability = 0; 170693746Sjulian 170793746Sjulian sc = ifp->if_softc; 170893746Sjulian MY_LOCK(sc); 170993746Sjulian ifmr->ifm_active = IFM_ETHER; 171093746Sjulian if (!(my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_AUTONEGENBL)) { 171194863Sjulian#if 0 /* this version did not support 1000M, */ 171294863Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_1000) 171394863Sjulian ifmr->ifm_active = IFM_ETHER | IFM_1000TX; 171494863Sjulian#endif 171593746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_SPEEDSEL) 171693746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX; 171793746Sjulian else 171893746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T; 171993746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_DUPLEX) 172093746Sjulian ifmr->ifm_active |= IFM_FDX; 172193746Sjulian else 172293746Sjulian ifmr->ifm_active |= IFM_HDX; 172393746Sjulian 172493746Sjulian MY_UNLOCK(sc); 172593746Sjulian return; 172693746Sjulian } 172793746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 172893746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 172993746Sjulian 173094863Sjulian#if 0 /* this version did not support 1000M, */ 173193746Sjulian if (sc->my_pinfo->my_vid = MarvellPHYID0) { 173293746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 173393746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 173493746Sjulian advert = 0; 173593746Sjulian ability = 0; 173695673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_FDX; 173793746Sjulian } else if (ability & PHY_1000SR_1000BTXHALF) { 173893746Sjulian advert = 0; 173993746Sjulian ability = 0; 174095673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_HDX; 174193746Sjulian } 174293746Sjulian } 174393746Sjulian#endif 174493746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) 174593746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_T4; 174693746Sjulian else if (advert & PHY_ANAR_100BTXFULL && ability & PHY_ANAR_100BTXFULL) 174793746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_FDX; 174893746Sjulian else if (advert & PHY_ANAR_100BTXHALF && ability & PHY_ANAR_100BTXHALF) 174993746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_HDX; 175093746Sjulian else if (advert & PHY_ANAR_10BTFULL && ability & PHY_ANAR_10BTFULL) 175193746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_FDX; 175293746Sjulian else if (advert & PHY_ANAR_10BTHALF && ability & PHY_ANAR_10BTHALF) 175393746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_HDX; 175493746Sjulian MY_UNLOCK(sc); 175593746Sjulian return; 175693746Sjulian} 175793746Sjulian 175893746Sjulianstatic int 175993746Sjulianmy_ioctl(struct ifnet * ifp, u_long command, caddr_t data) 176093746Sjulian{ 176193746Sjulian struct my_softc *sc = ifp->if_softc; 176293746Sjulian struct ifreq *ifr = (struct ifreq *) data; 176393746Sjulian int s, error = 0; 176493746Sjulian 176593746Sjulian s = splimp(); 176693746Sjulian MY_LOCK(sc); 176793746Sjulian switch (command) { 176893746Sjulian case SIOCSIFFLAGS: 176993746Sjulian if (ifp->if_flags & IFF_UP) 177093746Sjulian my_init(sc); 177193746Sjulian else if (ifp->if_flags & IFF_RUNNING) 177293746Sjulian my_stop(sc); 177393746Sjulian error = 0; 177493746Sjulian break; 177593746Sjulian case SIOCADDMULTI: 177693746Sjulian case SIOCDELMULTI: 177793746Sjulian my_setmulti(sc); 177893746Sjulian error = 0; 177993746Sjulian break; 178093746Sjulian case SIOCGIFMEDIA: 178193746Sjulian case SIOCSIFMEDIA: 178293746Sjulian error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command); 178393746Sjulian break; 178493746Sjulian default: 1785106937Ssam error = ether_ioctl(ifp, command, data); 178693746Sjulian break; 178793746Sjulian } 178893746Sjulian MY_UNLOCK(sc); 178993746Sjulian (void)splx(s); 179093746Sjulian return (error); 179193746Sjulian} 179293746Sjulian 179393746Sjulianstatic void 179493746Sjulianmy_watchdog(struct ifnet * ifp) 179593746Sjulian{ 179693746Sjulian struct my_softc *sc; 179793746Sjulian 179893746Sjulian sc = ifp->if_softc; 179993746Sjulian MY_LOCK(sc); 180093746Sjulian if (sc->my_autoneg) { 180193746Sjulian my_autoneg_mii(sc, MY_FLAG_DELAYTIMEO, 1); 180293746Sjulian MY_UNLOCK(sc); 180393746Sjulian return; 180493746Sjulian } 180593746Sjulian ifp->if_oerrors++; 180693746Sjulian printf("my%d: watchdog timeout\n", sc->my_unit); 180793746Sjulian if (!(my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT)) 180893746Sjulian printf("my%d: no carrier - transceiver cable problem?\n", 180993746Sjulian sc->my_unit); 181093746Sjulian my_stop(sc); 181193746Sjulian my_reset(sc); 181293746Sjulian my_init(sc); 181393746Sjulian if (ifp->if_snd.ifq_head != NULL) 181493746Sjulian my_start(ifp); 181593746Sjulian MY_LOCK(sc); 181693746Sjulian return; 181793746Sjulian} 181893746Sjulian 181993746Sjulian 182093746Sjulian/* 182193746Sjulian * Stop the adapter and free any mbufs allocated to the RX and TX lists. 182293746Sjulian */ 182393746Sjulianstatic void 182493746Sjulianmy_stop(struct my_softc * sc) 182593746Sjulian{ 182693746Sjulian register int i; 182793746Sjulian struct ifnet *ifp; 182893746Sjulian 182993746Sjulian MY_LOCK(sc); 183093746Sjulian ifp = &sc->arpcom.ac_if; 183193746Sjulian ifp->if_timer = 0; 183293746Sjulian 183393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_RE | MY_TE)); 183493746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 183593746Sjulian CSR_WRITE_4(sc, MY_TXLBA, 0x00000000); 183693746Sjulian CSR_WRITE_4(sc, MY_RXLBA, 0x00000000); 183793746Sjulian 183893746Sjulian /* 183993746Sjulian * Free data in the RX lists. 184093746Sjulian */ 184193746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 184293746Sjulian if (sc->my_cdata.my_rx_chain[i].my_mbuf != NULL) { 184393746Sjulian m_freem(sc->my_cdata.my_rx_chain[i].my_mbuf); 184493746Sjulian sc->my_cdata.my_rx_chain[i].my_mbuf = NULL; 184593746Sjulian } 184693746Sjulian } 184793746Sjulian bzero((char *)&sc->my_ldata->my_rx_list, 184893746Sjulian sizeof(sc->my_ldata->my_rx_list)); 184993746Sjulian /* 185093746Sjulian * Free the TX list buffers. 185193746Sjulian */ 185293746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 185393746Sjulian if (sc->my_cdata.my_tx_chain[i].my_mbuf != NULL) { 185493746Sjulian m_freem(sc->my_cdata.my_tx_chain[i].my_mbuf); 185593746Sjulian sc->my_cdata.my_tx_chain[i].my_mbuf = NULL; 185693746Sjulian } 185793746Sjulian } 185893746Sjulian bzero((char *)&sc->my_ldata->my_tx_list, 185993746Sjulian sizeof(sc->my_ldata->my_tx_list)); 186093746Sjulian ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 186193746Sjulian MY_UNLOCK(sc); 186293746Sjulian return; 186393746Sjulian} 186493746Sjulian 186593746Sjulian/* 186693746Sjulian * Stop all chip I/O so that the kernel's probe routines don't get confused 186793746Sjulian * by errant DMAs when rebooting. 186893746Sjulian */ 186993746Sjulianstatic void 187093746Sjulianmy_shutdown(device_t dev) 187193746Sjulian{ 187293746Sjulian struct my_softc *sc; 187393746Sjulian 187493746Sjulian sc = device_get_softc(dev); 187593746Sjulian my_stop(sc); 187693746Sjulian return; 187793746Sjulian} 187895939Sjulian 187995939Sjulian 1880