if_my.c revision 143158
1119418Sobrien/*- 2119418Sobrien * Written by: yen_cw@myson.com.tw 393746Sjulian * Copyright (c) 2002 Myson Technology Inc. 493746Sjulian * All rights reserved. 593746Sjulian * 693746Sjulian * Redistribution and use in source and binary forms, with or without 793746Sjulian * modification, are permitted provided that the following conditions 893746Sjulian * are met: 993746Sjulian * 1. Redistributions of source code must retain the above copyright 1093746Sjulian * notice, this list of conditions, and the following disclaimer, 1193746Sjulian * without modification, immediately at the beginning of the file. 1293746Sjulian * 2. The name of the author may not be used to endorse or promote products 1393746Sjulian * derived from this software without specific prior written permission. 1493746Sjulian * 1593746Sjulian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1693746Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1793746Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1893746Sjulian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 1993746Sjulian * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2093746Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2193746Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2293746Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2393746Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2493746Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2593746Sjulian * SUCH DAMAGE. 2693746Sjulian * 27119418Sobrien * Myson fast ethernet PCI NIC driver, available at: http://www.myson.com.tw/ 2893746Sjulian */ 29113038Sobrien 30113038Sobrien#include <sys/cdefs.h> 31113038Sobrien__FBSDID("$FreeBSD: head/sys/dev/my/if_my.c 143158 2005-03-05 18:10:49Z imp $"); 32113038Sobrien 3393746Sjulian#include <sys/param.h> 3493746Sjulian#include <sys/systm.h> 3593746Sjulian#include <sys/sockio.h> 3693746Sjulian#include <sys/mbuf.h> 3793746Sjulian#include <sys/malloc.h> 3893746Sjulian#include <sys/kernel.h> 3993746Sjulian#include <sys/socket.h> 4093746Sjulian#include <sys/queue.h> 4193746Sjulian#include <sys/types.h> 4293746Sjulian#include <sys/bus.h> 4393746Sjulian#include <sys/module.h> 4495807Sjulian#include <sys/lock.h> 4595807Sjulian#include <sys/mutex.h> 4693746Sjulian 4793746Sjulian#define NBPFILTER 1 4893746Sjulian 4993746Sjulian#include <net/if.h> 5093746Sjulian#include <net/if_arp.h> 5193746Sjulian#include <net/ethernet.h> 5293746Sjulian#include <net/if_media.h> 5393746Sjulian#include <net/if_dl.h> 5493746Sjulian#include <net/bpf.h> 5593746Sjulian 5693746Sjulian#include <vm/vm.h> /* for vtophys */ 5793746Sjulian#include <vm/pmap.h> /* for vtophys */ 5893746Sjulian#include <machine/clock.h> /* for DELAY */ 5993746Sjulian#include <machine/bus_memio.h> 6093746Sjulian#include <machine/bus_pio.h> 6193746Sjulian#include <machine/bus.h> 6293746Sjulian#include <machine/resource.h> 6393746Sjulian#include <sys/bus.h> 6493746Sjulian#include <sys/rman.h> 6593746Sjulian 66119285Simp#include <dev/pci/pcireg.h> 67119285Simp#include <dev/pci/pcivar.h> 6893746Sjulian 6993746Sjulian#include <dev/mii/mii.h> 7093746Sjulian#include <dev/mii/miivar.h> 7193746Sjulian 7293746Sjulian#include "miibus_if.h" 7393746Sjulian 7493746Sjulian/* 7593746Sjulian * #define MY_USEIOSPACE 7693746Sjulian */ 7793746Sjulian 7893746Sjulianstatic int MY_USEIOSPACE = 1; 7993746Sjulian 8093746Sjulian#if (MY_USEIOSPACE) 8194904Sjulian#define MY_RES SYS_RES_IOPORT 8294904Sjulian#define MY_RID MY_PCI_LOIO 8393746Sjulian#else 8494904Sjulian#define MY_RES SYS_RES_MEMORY 8594904Sjulian#define MY_RID MY_PCI_LOMEM 8693746Sjulian#endif 8793746Sjulian 8893746Sjulian 8993746Sjulian#include <dev/my/if_myreg.h> 9093746Sjulian 9193746Sjulian#ifndef lint 9293746Sjulianstatic const char rcsid[] = 93119285Simp"$Id: if_my.c,v 1.16 2003/04/15 06:37:25 mdodd Exp $"; 9493746Sjulian#endif 9593746Sjulian 9693746Sjulian/* 9793746Sjulian * Various supported device vendors/types and their names. 9893746Sjulian */ 9993746Sjulianstruct my_type *my_info_tmp; 10093746Sjulianstatic struct my_type my_devs[] = { 10193746Sjulian {MYSONVENDORID, MTD800ID, "Myson MTD80X Based Fast Ethernet Card"}, 10293746Sjulian {MYSONVENDORID, MTD803ID, "Myson MTD80X Based Fast Ethernet Card"}, 10393746Sjulian {MYSONVENDORID, MTD891ID, "Myson MTD89X Based Giga Ethernet Card"}, 10493746Sjulian {0, 0, NULL} 10593746Sjulian}; 10693746Sjulian 10793746Sjulian/* 10893746Sjulian * Various supported PHY vendors/types and their names. Note that this driver 10993746Sjulian * will work with pretty much any MII-compliant PHY, so failure to positively 11093746Sjulian * identify the chip is not a fatal error. 11193746Sjulian */ 11293746Sjulianstatic struct my_type my_phys[] = { 11393746Sjulian {MysonPHYID0, MysonPHYID0, "<MYSON MTD981>"}, 11493746Sjulian {SeeqPHYID0, SeeqPHYID0, "<SEEQ 80225>"}, 11593746Sjulian {AhdocPHYID0, AhdocPHYID0, "<AHDOC 101>"}, 11693746Sjulian {MarvellPHYID0, MarvellPHYID0, "<MARVELL 88E1000>"}, 11793746Sjulian {LevelOnePHYID0, LevelOnePHYID0, "<LevelOne LXT1000>"}, 11893746Sjulian {0, 0, "<MII-compliant physical interface>"} 11993746Sjulian}; 12093746Sjulian 12193746Sjulianstatic int my_probe(device_t); 12293746Sjulianstatic int my_attach(device_t); 12393746Sjulianstatic int my_detach(device_t); 12493746Sjulianstatic int my_newbuf(struct my_softc *, struct my_chain_onefrag *); 12593746Sjulianstatic int my_encap(struct my_softc *, struct my_chain *, struct mbuf *); 12693746Sjulianstatic void my_rxeof(struct my_softc *); 12793746Sjulianstatic void my_txeof(struct my_softc *); 12893746Sjulianstatic void my_txeoc(struct my_softc *); 12993746Sjulianstatic void my_intr(void *); 13093746Sjulianstatic void my_start(struct ifnet *); 13193746Sjulianstatic int my_ioctl(struct ifnet *, u_long, caddr_t); 13293746Sjulianstatic void my_init(void *); 13393746Sjulianstatic void my_stop(struct my_softc *); 13493746Sjulianstatic void my_watchdog(struct ifnet *); 13593746Sjulianstatic void my_shutdown(device_t); 13693746Sjulianstatic int my_ifmedia_upd(struct ifnet *); 13793746Sjulianstatic void my_ifmedia_sts(struct ifnet *, struct ifmediareq *); 13893746Sjulianstatic u_int16_t my_phy_readreg(struct my_softc *, int); 13993746Sjulianstatic void my_phy_writereg(struct my_softc *, int, int); 14093746Sjulianstatic void my_autoneg_xmit(struct my_softc *); 14193746Sjulianstatic void my_autoneg_mii(struct my_softc *, int, int); 14293746Sjulianstatic void my_setmode_mii(struct my_softc *, int); 14393746Sjulianstatic void my_getmode_mii(struct my_softc *); 14493746Sjulianstatic void my_setcfg(struct my_softc *, int); 14593746Sjulianstatic void my_setmulti(struct my_softc *); 14693746Sjulianstatic void my_reset(struct my_softc *); 14793746Sjulianstatic int my_list_rx_init(struct my_softc *); 14893746Sjulianstatic int my_list_tx_init(struct my_softc *); 14993746Sjulianstatic long my_send_cmd_to_phy(struct my_softc *, int, int); 15093746Sjulian 151106696Salfred#define MY_SETBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) | (x)) 152106696Salfred#define MY_CLRBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) & ~(x)) 15393746Sjulian 15493746Sjulianstatic device_method_t my_methods[] = { 15593746Sjulian /* Device interface */ 15693746Sjulian DEVMETHOD(device_probe, my_probe), 15793746Sjulian DEVMETHOD(device_attach, my_attach), 15893746Sjulian DEVMETHOD(device_detach, my_detach), 15993746Sjulian DEVMETHOD(device_shutdown, my_shutdown), 16093746Sjulian 16193746Sjulian {0, 0} 16293746Sjulian}; 16393746Sjulian 16493746Sjulianstatic driver_t my_driver = { 16593746Sjulian "my", 16693746Sjulian my_methods, 16793746Sjulian sizeof(struct my_softc) 16893746Sjulian}; 16993746Sjulian 17093746Sjulianstatic devclass_t my_devclass; 17193746Sjulian 172113506SmdoddDRIVER_MODULE(my, pci, my_driver, my_devclass, 0, 0); 173113506SmdoddMODULE_DEPEND(my, pci, 1, 1, 1); 174113506SmdoddMODULE_DEPEND(my, ether, 1, 1, 1); 17593746Sjulian 17693746Sjulianstatic long 17793746Sjulianmy_send_cmd_to_phy(struct my_softc * sc, int opcode, int regad) 17893746Sjulian{ 17993746Sjulian long miir; 18093746Sjulian int i; 18193746Sjulian int mask, data; 18293746Sjulian 18393746Sjulian MY_LOCK(sc); 18493746Sjulian 18593746Sjulian /* enable MII output */ 18693746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 18793746Sjulian miir &= 0xfffffff0; 18893746Sjulian 18993746Sjulian miir |= MY_MASK_MIIR_MII_WRITE + MY_MASK_MIIR_MII_MDO; 19093746Sjulian 19193746Sjulian /* send 32 1's preamble */ 19293746Sjulian for (i = 0; i < 32; i++) { 19393746Sjulian /* low MDC; MDO is already high (miir) */ 19493746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 19593746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19693746Sjulian 19793746Sjulian /* high MDC */ 19893746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 19993746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 20093746Sjulian } 20193746Sjulian 20293746Sjulian /* calculate ST+OP+PHYAD+REGAD+TA */ 20393746Sjulian data = opcode | (sc->my_phy_addr << 7) | (regad << 2); 20493746Sjulian 20593746Sjulian /* sent out */ 20693746Sjulian mask = 0x8000; 20793746Sjulian while (mask) { 20893746Sjulian /* low MDC, prepare MDO */ 20993746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 21093746Sjulian if (mask & data) 21193746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 21293746Sjulian 21393746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21493746Sjulian /* high MDC */ 21593746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 21693746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21793746Sjulian DELAY(30); 21893746Sjulian 21993746Sjulian /* next */ 22093746Sjulian mask >>= 1; 22193746Sjulian if (mask == 0x2 && opcode == MY_OP_READ) 22293746Sjulian miir &= ~MY_MASK_MIIR_MII_WRITE; 22393746Sjulian } 22493746Sjulian 22593746Sjulian MY_UNLOCK(sc); 22693746Sjulian return miir; 22793746Sjulian} 22893746Sjulian 22993746Sjulian 23093746Sjulianstatic u_int16_t 23193746Sjulianmy_phy_readreg(struct my_softc * sc, int reg) 23293746Sjulian{ 23393746Sjulian long miir; 23493746Sjulian int mask, data; 23593746Sjulian 23693746Sjulian MY_LOCK(sc); 23793746Sjulian 23893746Sjulian if (sc->my_info->my_did == MTD803ID) 23993746Sjulian data = CSR_READ_2(sc, MY_PHYBASE + reg * 2); 24093746Sjulian else { 24193746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_READ, reg); 24293746Sjulian 24393746Sjulian /* read data */ 24493746Sjulian mask = 0x8000; 24593746Sjulian data = 0; 24693746Sjulian while (mask) { 24793746Sjulian /* low MDC */ 24893746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 24993746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 25093746Sjulian 25193746Sjulian /* read MDI */ 25293746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 25393746Sjulian if (miir & MY_MASK_MIIR_MII_MDI) 25493746Sjulian data |= mask; 25593746Sjulian 25693746Sjulian /* high MDC, and wait */ 25793746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 25893746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 25993746Sjulian DELAY(30); 26093746Sjulian 26193746Sjulian /* next */ 26293746Sjulian mask >>= 1; 26393746Sjulian } 26493746Sjulian 26593746Sjulian /* low MDC */ 26693746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 26793746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 26893746Sjulian } 26993746Sjulian 27093746Sjulian MY_UNLOCK(sc); 27193746Sjulian return (u_int16_t) data; 27293746Sjulian} 27393746Sjulian 27493746Sjulian 27593746Sjulianstatic void 27693746Sjulianmy_phy_writereg(struct my_softc * sc, int reg, int data) 27793746Sjulian{ 27893746Sjulian long miir; 27993746Sjulian int mask; 28093746Sjulian 28193746Sjulian MY_LOCK(sc); 28293746Sjulian 28393746Sjulian if (sc->my_info->my_did == MTD803ID) 28493746Sjulian CSR_WRITE_2(sc, MY_PHYBASE + reg * 2, data); 28593746Sjulian else { 28693746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_WRITE, reg); 28793746Sjulian 28893746Sjulian /* write data */ 28993746Sjulian mask = 0x8000; 29093746Sjulian while (mask) { 29193746Sjulian /* low MDC, prepare MDO */ 29293746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 29393746Sjulian if (mask & data) 29493746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 29593746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29693746Sjulian DELAY(1); 29793746Sjulian 29893746Sjulian /* high MDC */ 29993746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 30093746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 30193746Sjulian DELAY(1); 30293746Sjulian 30393746Sjulian /* next */ 30493746Sjulian mask >>= 1; 30593746Sjulian } 30693746Sjulian 30793746Sjulian /* low MDC */ 30893746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 30993746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 31093746Sjulian } 31193746Sjulian MY_UNLOCK(sc); 31293746Sjulian return; 31393746Sjulian} 31493746Sjulian 31593746Sjulian 31693746Sjulian/* 31793746Sjulian * Program the 64-bit multicast hash filter. 31893746Sjulian */ 31993746Sjulianstatic void 32093746Sjulianmy_setmulti(struct my_softc * sc) 32193746Sjulian{ 32293746Sjulian struct ifnet *ifp; 32393746Sjulian int h = 0; 32493746Sjulian u_int32_t hashes[2] = {0, 0}; 32593746Sjulian struct ifmultiaddr *ifma; 32693746Sjulian u_int32_t rxfilt; 32793746Sjulian int mcnt = 0; 32893746Sjulian 32993746Sjulian MY_LOCK(sc); 33093746Sjulian 33193746Sjulian ifp = &sc->arpcom.ac_if; 33293746Sjulian 33393746Sjulian rxfilt = CSR_READ_4(sc, MY_TCRRCR); 33493746Sjulian 33593746Sjulian if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 33693746Sjulian rxfilt |= MY_AM; 33793746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 33893746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0xFFFFFFFF); 33993746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0xFFFFFFFF); 34093746Sjulian 34193746Sjulian MY_UNLOCK(sc); 34293746Sjulian 34393746Sjulian return; 34493746Sjulian } 34593746Sjulian /* first, zot all the existing hash bits */ 34693746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0); 34793746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0); 34893746Sjulian 34993746Sjulian /* now program new ones */ 35093746Sjulian TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 35193746Sjulian if (ifma->ifma_addr->sa_family != AF_LINK) 35293746Sjulian continue; 353130270Snaddy h = ~ether_crc32_be(LLADDR((struct sockaddr_dl *) 354130270Snaddy ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; 35593746Sjulian if (h < 32) 35693746Sjulian hashes[0] |= (1 << h); 35793746Sjulian else 35893746Sjulian hashes[1] |= (1 << (h - 32)); 35993746Sjulian mcnt++; 36093746Sjulian } 36193746Sjulian 36293746Sjulian if (mcnt) 36393746Sjulian rxfilt |= MY_AM; 36493746Sjulian else 36593746Sjulian rxfilt &= ~MY_AM; 36693746Sjulian CSR_WRITE_4(sc, MY_MAR0, hashes[0]); 36793746Sjulian CSR_WRITE_4(sc, MY_MAR1, hashes[1]); 36893746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 36993746Sjulian MY_UNLOCK(sc); 37093746Sjulian return; 37193746Sjulian} 37293746Sjulian 37393746Sjulian/* 37493746Sjulian * Initiate an autonegotiation session. 37593746Sjulian */ 37693746Sjulianstatic void 37793746Sjulianmy_autoneg_xmit(struct my_softc * sc) 37893746Sjulian{ 37993746Sjulian u_int16_t phy_sts = 0; 38093746Sjulian 38193746Sjulian MY_LOCK(sc); 38293746Sjulian 38393746Sjulian my_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET); 38493746Sjulian DELAY(500); 38593746Sjulian while (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_RESET); 38693746Sjulian 38793746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMCR); 38893746Sjulian phy_sts |= PHY_BMCR_AUTONEGENBL | PHY_BMCR_AUTONEGRSTR; 38993746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_sts); 39093746Sjulian 39193746Sjulian MY_UNLOCK(sc); 39293746Sjulian return; 39393746Sjulian} 39493746Sjulian 39593746Sjulian 39693746Sjulian/* 39793746Sjulian * Invoke autonegotiation on a PHY. 39893746Sjulian */ 39993746Sjulianstatic void 40093746Sjulianmy_autoneg_mii(struct my_softc * sc, int flag, int verbose) 40193746Sjulian{ 40293746Sjulian u_int16_t phy_sts = 0, media, advert, ability; 40393746Sjulian u_int16_t ability2 = 0; 40493746Sjulian struct ifnet *ifp; 40593746Sjulian struct ifmedia *ifm; 40693746Sjulian 40793746Sjulian MY_LOCK(sc); 40893746Sjulian 40993746Sjulian ifm = &sc->ifmedia; 41093746Sjulian ifp = &sc->arpcom.ac_if; 41193746Sjulian 41293746Sjulian ifm->ifm_media = IFM_ETHER | IFM_AUTO; 41393746Sjulian 41493746Sjulian#ifndef FORCE_AUTONEG_TFOUR 41593746Sjulian /* 41693746Sjulian * First, see if autoneg is supported. If not, there's no point in 41793746Sjulian * continuing. 41893746Sjulian */ 41993746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 42093746Sjulian if (!(phy_sts & PHY_BMSR_CANAUTONEG)) { 42193746Sjulian if (verbose) 42293746Sjulian printf("my%d: autonegotiation not supported\n", 42393746Sjulian sc->my_unit); 42493746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 42593746Sjulian MY_UNLOCK(sc); 42693746Sjulian return; 42793746Sjulian } 42893746Sjulian#endif 42993746Sjulian switch (flag) { 43093746Sjulian case MY_FLAG_FORCEDELAY: 43193746Sjulian /* 43293746Sjulian * XXX Never use this option anywhere but in the probe 43393746Sjulian * routine: making the kernel stop dead in its tracks for 43493746Sjulian * three whole seconds after we've gone multi-user is really 43593746Sjulian * bad manners. 43693746Sjulian */ 43793746Sjulian my_autoneg_xmit(sc); 43893746Sjulian DELAY(5000000); 43993746Sjulian break; 44093746Sjulian case MY_FLAG_SCHEDDELAY: 44193746Sjulian /* 44293746Sjulian * Wait for the transmitter to go idle before starting an 44393746Sjulian * autoneg session, otherwise my_start() may clobber our 44493746Sjulian * timeout, and we don't want to allow transmission during an 44593746Sjulian * autoneg session since that can screw it up. 44693746Sjulian */ 44793746Sjulian if (sc->my_cdata.my_tx_head != NULL) { 44893746Sjulian sc->my_want_auto = 1; 44993746Sjulian MY_UNLOCK(sc); 45093746Sjulian return; 45193746Sjulian } 45293746Sjulian my_autoneg_xmit(sc); 45393746Sjulian ifp->if_timer = 5; 45493746Sjulian sc->my_autoneg = 1; 45593746Sjulian sc->my_want_auto = 0; 45693746Sjulian MY_UNLOCK(sc); 45793746Sjulian return; 45893746Sjulian case MY_FLAG_DELAYTIMEO: 45993746Sjulian ifp->if_timer = 0; 46093746Sjulian sc->my_autoneg = 0; 46193746Sjulian break; 46293746Sjulian default: 46393746Sjulian printf("my%d: invalid autoneg flag: %d\n", sc->my_unit, flag); 46493746Sjulian MY_UNLOCK(sc); 46593746Sjulian return; 46693746Sjulian } 46793746Sjulian 46893746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) { 46993746Sjulian if (verbose) 47093746Sjulian printf("my%d: autoneg complete, ", sc->my_unit); 47193746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 47293746Sjulian } else { 47393746Sjulian if (verbose) 47493746Sjulian printf("my%d: autoneg not complete, ", sc->my_unit); 47593746Sjulian } 47693746Sjulian 47793746Sjulian media = my_phy_readreg(sc, PHY_BMCR); 47893746Sjulian 47993746Sjulian /* Link is good. Report modes and set duplex mode. */ 48093746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT) { 48193746Sjulian if (verbose) 48293746Sjulian printf("my%d: link status good. ", sc->my_unit); 48393746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 48493746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 48593746Sjulian if ((sc->my_pinfo->my_vid == MarvellPHYID0) || 48693746Sjulian (sc->my_pinfo->my_vid == LevelOnePHYID0)) { 48793746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 48893746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 48993746Sjulian advert = 0; 49093746Sjulian ability = 0; 49193746Sjulian /* 49293746Sjulian * this version did not support 1000M, 49393746Sjulian * ifm->ifm_media = 49495673Sphk * IFM_ETHER|IFM_1000_T|IFM_FDX; 49593746Sjulian */ 49693746Sjulian ifm->ifm_media = 49793746Sjulian IFM_ETHER | IFM_100_TX | IFM_FDX; 49893746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 49993746Sjulian media |= PHY_BMCR_1000; 50093746Sjulian media |= PHY_BMCR_DUPLEX; 50193746Sjulian printf("(full-duplex, 1000Mbps)\n"); 50293746Sjulian } else if (ability2 & PHY_1000SR_1000BTXHALF) { 50393746Sjulian advert = 0; 50493746Sjulian ability = 0; 50593746Sjulian /* 50693746Sjulian * this version did not support 1000M, 50795673Sphk * ifm->ifm_media = IFM_ETHER|IFM_1000_T; 50893746Sjulian */ 50993746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX; 51093746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 51193746Sjulian media &= ~PHY_BMCR_DUPLEX; 51293746Sjulian media |= PHY_BMCR_1000; 51393746Sjulian printf("(half-duplex, 1000Mbps)\n"); 51493746Sjulian } 51593746Sjulian } 51693746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) { 51793746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_T4; 51893746Sjulian media |= PHY_BMCR_SPEEDSEL; 51993746Sjulian media &= ~PHY_BMCR_DUPLEX; 52093746Sjulian printf("(100baseT4)\n"); 52193746Sjulian } else if (advert & PHY_ANAR_100BTXFULL && 52293746Sjulian ability & PHY_ANAR_100BTXFULL) { 52393746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 52493746Sjulian media |= PHY_BMCR_SPEEDSEL; 52593746Sjulian media |= PHY_BMCR_DUPLEX; 52693746Sjulian printf("(full-duplex, 100Mbps)\n"); 52793746Sjulian } else if (advert & PHY_ANAR_100BTXHALF && 52893746Sjulian ability & PHY_ANAR_100BTXHALF) { 52993746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 53093746Sjulian media |= PHY_BMCR_SPEEDSEL; 53193746Sjulian media &= ~PHY_BMCR_DUPLEX; 53293746Sjulian printf("(half-duplex, 100Mbps)\n"); 53393746Sjulian } else if (advert & PHY_ANAR_10BTFULL && 53493746Sjulian ability & PHY_ANAR_10BTFULL) { 53593746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 53693746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 53793746Sjulian media |= PHY_BMCR_DUPLEX; 53893746Sjulian printf("(full-duplex, 10Mbps)\n"); 53993746Sjulian } else if (advert) { 54093746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 54193746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 54293746Sjulian media &= ~PHY_BMCR_DUPLEX; 54393746Sjulian printf("(half-duplex, 10Mbps)\n"); 54493746Sjulian } 54593746Sjulian media &= ~PHY_BMCR_AUTONEGENBL; 54693746Sjulian 54793746Sjulian /* Set ASIC's duplex mode to match the PHY. */ 54893746Sjulian my_phy_writereg(sc, PHY_BMCR, media); 54993746Sjulian my_setcfg(sc, media); 55093746Sjulian } else { 55193746Sjulian if (verbose) 55293746Sjulian printf("my%d: no carrier\n", sc->my_unit); 55393746Sjulian } 55493746Sjulian 55593746Sjulian my_init(sc); 55693746Sjulian if (sc->my_tx_pend) { 55793746Sjulian sc->my_autoneg = 0; 55893746Sjulian sc->my_tx_pend = 0; 55993746Sjulian my_start(ifp); 56093746Sjulian } 56193746Sjulian MY_UNLOCK(sc); 56293746Sjulian return; 56393746Sjulian} 56493746Sjulian 56593746Sjulian/* 56693746Sjulian * To get PHY ability. 56793746Sjulian */ 56893746Sjulianstatic void 56993746Sjulianmy_getmode_mii(struct my_softc * sc) 57093746Sjulian{ 57193746Sjulian u_int16_t bmsr; 57293746Sjulian struct ifnet *ifp; 57393746Sjulian 57493746Sjulian MY_LOCK(sc); 57593746Sjulian ifp = &sc->arpcom.ac_if; 57693746Sjulian bmsr = my_phy_readreg(sc, PHY_BMSR); 57793746Sjulian if (bootverbose) 57893746Sjulian printf("my%d: PHY status word: %x\n", sc->my_unit, bmsr); 57993746Sjulian 58093746Sjulian /* fallback */ 58193746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 58293746Sjulian 58393746Sjulian if (bmsr & PHY_BMSR_10BTHALF) { 58493746Sjulian if (bootverbose) 58593746Sjulian printf("my%d: 10Mbps half-duplex mode supported\n", 58693746Sjulian sc->my_unit); 58793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_HDX, 58893746Sjulian 0, NULL); 58993746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, NULL); 59093746Sjulian } 59193746Sjulian if (bmsr & PHY_BMSR_10BTFULL) { 59293746Sjulian if (bootverbose) 59393746Sjulian printf("my%d: 10Mbps full-duplex mode supported\n", 59493746Sjulian sc->my_unit); 59593746Sjulian 59693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 59793746Sjulian 0, NULL); 59893746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 59993746Sjulian } 60093746Sjulian if (bmsr & PHY_BMSR_100BTXHALF) { 60193746Sjulian if (bootverbose) 60293746Sjulian printf("my%d: 100Mbps half-duplex mode supported\n", 60393746Sjulian sc->my_unit); 60493746Sjulian ifp->if_baudrate = 100000000; 60593746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL); 60693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_HDX, 60793746Sjulian 0, NULL); 60893746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 60993746Sjulian } 61093746Sjulian if (bmsr & PHY_BMSR_100BTXFULL) { 61193746Sjulian if (bootverbose) 61293746Sjulian printf("my%d: 100Mbps full-duplex mode supported\n", 61393746Sjulian sc->my_unit); 61493746Sjulian ifp->if_baudrate = 100000000; 61593746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 61693746Sjulian 0, NULL); 61793746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 61893746Sjulian } 61993746Sjulian /* Some also support 100BaseT4. */ 62093746Sjulian if (bmsr & PHY_BMSR_100BT4) { 62193746Sjulian if (bootverbose) 62293746Sjulian printf("my%d: 100baseT4 mode supported\n", sc->my_unit); 62393746Sjulian ifp->if_baudrate = 100000000; 62493746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_T4, 0, NULL); 62593746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_T4; 62693746Sjulian#ifdef FORCE_AUTONEG_TFOUR 62793746Sjulian if (bootverbose) 62893746Sjulian printf("my%d: forcing on autoneg support for BT4\n", 62993746Sjulian sc->my_unit); 63093746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0 NULL): 63193746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 63293746Sjulian#endif 63393746Sjulian } 63494863Sjulian#if 0 /* this version did not support 1000M, */ 63593746Sjulian if (sc->my_pinfo->my_vid == MarvellPHYID0) { 63693746Sjulian if (bootverbose) 63793746Sjulian printf("my%d: 1000Mbps half-duplex mode supported\n", 63893746Sjulian sc->my_unit); 63993746Sjulian 64093746Sjulian ifp->if_baudrate = 1000000000; 64195673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T, 0, NULL); 64295673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_HDX, 64393746Sjulian 0, NULL); 64493746Sjulian if (bootverbose) 64593746Sjulian printf("my%d: 1000Mbps full-duplex mode supported\n", 64693746Sjulian sc->my_unit); 64793746Sjulian ifp->if_baudrate = 1000000000; 64895673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 64993746Sjulian 0, NULL); 65095673Sphk sc->ifmedia.ifm_media = IFM_ETHER | IFM_1000_T | IFM_FDX; 65193746Sjulian } 65293746Sjulian#endif 65393746Sjulian if (bmsr & PHY_BMSR_CANAUTONEG) { 65493746Sjulian if (bootverbose) 65593746Sjulian printf("my%d: autoneg supported\n", sc->my_unit); 65693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 65793746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 65893746Sjulian } 65993746Sjulian MY_UNLOCK(sc); 66093746Sjulian return; 66193746Sjulian} 66293746Sjulian 66393746Sjulian/* 66493746Sjulian * Set speed and duplex mode. 66593746Sjulian */ 66693746Sjulianstatic void 66793746Sjulianmy_setmode_mii(struct my_softc * sc, int media) 66893746Sjulian{ 66993746Sjulian u_int16_t bmcr; 67093746Sjulian struct ifnet *ifp; 67193746Sjulian 67293746Sjulian MY_LOCK(sc); 67393746Sjulian ifp = &sc->arpcom.ac_if; 67493746Sjulian /* 67593746Sjulian * If an autoneg session is in progress, stop it. 67693746Sjulian */ 67793746Sjulian if (sc->my_autoneg) { 67893746Sjulian printf("my%d: canceling autoneg session\n", sc->my_unit); 67993746Sjulian ifp->if_timer = sc->my_autoneg = sc->my_want_auto = 0; 68093746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 68193746Sjulian bmcr &= ~PHY_BMCR_AUTONEGENBL; 68293746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 68393746Sjulian } 68493746Sjulian printf("my%d: selecting MII, ", sc->my_unit); 68593746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 68693746Sjulian bmcr &= ~(PHY_BMCR_AUTONEGENBL | PHY_BMCR_SPEEDSEL | PHY_BMCR_1000 | 68793746Sjulian PHY_BMCR_DUPLEX | PHY_BMCR_LOOPBK); 68894863Sjulian 68994863Sjulian#if 0 /* this version did not support 1000M, */ 69095673Sphk if (IFM_SUBTYPE(media) == IFM_1000_T) { 69193746Sjulian printf("1000Mbps/T4, half-duplex\n"); 69293746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 69393746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 69493746Sjulian bmcr |= PHY_BMCR_1000; 69593746Sjulian } 69693746Sjulian#endif 69793746Sjulian if (IFM_SUBTYPE(media) == IFM_100_T4) { 69893746Sjulian printf("100Mbps/T4, half-duplex\n"); 69993746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 70093746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 70193746Sjulian } 70293746Sjulian if (IFM_SUBTYPE(media) == IFM_100_TX) { 70393746Sjulian printf("100Mbps, "); 70493746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 70593746Sjulian } 70693746Sjulian if (IFM_SUBTYPE(media) == IFM_10_T) { 70793746Sjulian printf("10Mbps, "); 70893746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 70993746Sjulian } 71093746Sjulian if ((media & IFM_GMASK) == IFM_FDX) { 71193746Sjulian printf("full duplex\n"); 71293746Sjulian bmcr |= PHY_BMCR_DUPLEX; 71393746Sjulian } else { 71493746Sjulian printf("half duplex\n"); 71593746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 71693746Sjulian } 71793746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 71893746Sjulian my_setcfg(sc, bmcr); 71993746Sjulian MY_UNLOCK(sc); 72093746Sjulian return; 72193746Sjulian} 72293746Sjulian 72393746Sjulian/* 72493746Sjulian * The Myson manual states that in order to fiddle with the 'full-duplex' and 72593746Sjulian * '100Mbps' bits in the netconfig register, we first have to put the 72693746Sjulian * transmit and/or receive logic in the idle state. 72793746Sjulian */ 72893746Sjulianstatic void 72993746Sjulianmy_setcfg(struct my_softc * sc, int bmcr) 73093746Sjulian{ 73193746Sjulian int i, restart = 0; 73293746Sjulian 73393746Sjulian MY_LOCK(sc); 73493746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & (MY_TE | MY_RE)) { 73593746Sjulian restart = 1; 73693746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_TE | MY_RE)); 73793746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 73893746Sjulian DELAY(10); 73993746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & 74093746Sjulian (MY_TXRUN | MY_RXRUN))) 74193746Sjulian break; 74293746Sjulian } 74393746Sjulian if (i == MY_TIMEOUT) 74493746Sjulian printf("my%d: failed to force tx and rx to idle \n", 74593746Sjulian sc->my_unit); 74693746Sjulian } 74793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS1000); 74893746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS10); 74993746Sjulian if (bmcr & PHY_BMCR_1000) 75093746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS1000); 75193746Sjulian else if (!(bmcr & PHY_BMCR_SPEEDSEL)) 75293746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS10); 75393746Sjulian if (bmcr & PHY_BMCR_DUPLEX) 75493746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_FD); 75593746Sjulian else 75693746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_FD); 75793746Sjulian if (restart) 75893746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE | MY_RE); 75993746Sjulian MY_UNLOCK(sc); 76093746Sjulian return; 76193746Sjulian} 76293746Sjulian 76393746Sjulianstatic void 76493746Sjulianmy_reset(struct my_softc * sc) 76593746Sjulian{ 76693746Sjulian register int i; 76793746Sjulian 76893746Sjulian MY_LOCK(sc); 76993746Sjulian MY_SETBIT(sc, MY_BCR, MY_SWR); 77093746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 77193746Sjulian DELAY(10); 77293746Sjulian if (!(CSR_READ_4(sc, MY_BCR) & MY_SWR)) 77393746Sjulian break; 77493746Sjulian } 77593746Sjulian if (i == MY_TIMEOUT) 77693746Sjulian printf("m0x%d: reset never completed!\n", sc->my_unit); 77793746Sjulian 77893746Sjulian /* Wait a little while for the chip to get its brains in order. */ 77993746Sjulian DELAY(1000); 78093746Sjulian MY_UNLOCK(sc); 78193746Sjulian return; 78293746Sjulian} 78393746Sjulian 78493746Sjulian/* 78593746Sjulian * Probe for a Myson chip. Check the PCI vendor and device IDs against our 78693746Sjulian * list and return a device name if we find a match. 78793746Sjulian */ 78893746Sjulianstatic int 78993746Sjulianmy_probe(device_t dev) 79093746Sjulian{ 79193746Sjulian struct my_type *t; 79293746Sjulian 79393746Sjulian t = my_devs; 79493746Sjulian while (t->my_name != NULL) { 79593746Sjulian if ((pci_get_vendor(dev) == t->my_vid) && 79693746Sjulian (pci_get_device(dev) == t->my_did)) { 79793746Sjulian device_set_desc(dev, t->my_name); 79893746Sjulian my_info_tmp = t; 799143158Simp return (BUS_PROBE_DEFAULT); 80093746Sjulian } 80193746Sjulian t++; 80293746Sjulian } 80393746Sjulian return (ENXIO); 80493746Sjulian} 80593746Sjulian 80693746Sjulian/* 80793746Sjulian * Attach the interface. Allocate softc structures, do ifmedia setup and 80893746Sjulian * ethernet/BPF attach. 80993746Sjulian */ 81093746Sjulianstatic int 81193746Sjulianmy_attach(device_t dev) 81293746Sjulian{ 81393746Sjulian int s, i; 81493746Sjulian u_char eaddr[ETHER_ADDR_LEN]; 81593746Sjulian u_int32_t command, iobase; 81693746Sjulian struct my_softc *sc; 81793746Sjulian struct ifnet *ifp; 81893746Sjulian int media = IFM_ETHER | IFM_100_TX | IFM_FDX; 81993746Sjulian unsigned int round; 82093746Sjulian caddr_t roundptr; 82193746Sjulian struct my_type *p; 82293746Sjulian u_int16_t phy_vid, phy_did, phy_sts = 0; 82393746Sjulian int rid, unit, error = 0; 82493746Sjulian 82593746Sjulian s = splimp(); 82693746Sjulian sc = device_get_softc(dev); 82793746Sjulian unit = device_get_unit(dev); 82893746Sjulian if (sc == NULL) { 82993746Sjulian printf("my%d: no memory for softc struct!\n", unit); 83093746Sjulian error = ENXIO; 83193746Sjulian goto fail; 83293746Sjulian 83393746Sjulian } 83493746Sjulian bzero(sc, sizeof(struct my_softc)); 83595803Sjulian mtx_init(&sc->my_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 83695803Sjulian MTX_DEF | MTX_RECURSE); 83793746Sjulian MY_LOCK(sc); 83893746Sjulian 83993746Sjulian /* 84093746Sjulian * Map control/status registers. 84193746Sjulian */ 84294863Sjulian#if 0 84394863Sjulian command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 84494863Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 84594863Sjulian pci_write_config(dev, PCI_COMMAND_STATUS_REG, command & 0x000000ff, 4); 84694863Sjulian command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 84794863Sjulian#endif 84893746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 84993746Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 85093746Sjulian pci_write_config(dev, PCIR_COMMAND, command & 0x000000ff, 4); 85193746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 85293746Sjulian 85393746Sjulian if (my_info_tmp->my_did == MTD800ID) { 85493746Sjulian iobase = pci_read_config(dev, MY_PCI_LOIO, 4); 85593746Sjulian if (iobase & 0x300) 85693746Sjulian MY_USEIOSPACE = 0; 85793746Sjulian } 85893746Sjulian if (MY_USEIOSPACE) { 85993746Sjulian if (!(command & PCIM_CMD_PORTEN)) { 86093746Sjulian printf("my%d: failed to enable I/O ports!\n", unit); 86193746Sjulian free(sc, M_DEVBUF); 86293746Sjulian error = ENXIO; 86393746Sjulian goto fail; 86493746Sjulian } 86593746Sjulian#if 0 86694863Sjulian if (!pci_map_port(config_id, MY_PCI_LOIO, (u_int16_t *) & (sc->my_bhandle))) { 86794863Sjulian printf("my%d: couldn't map ports\n", unit); 86894863Sjulian error = ENXIO; 86994863Sjulian goto fail; 87093746Sjulian } 87193746Sjulian 87293746Sjulian sc->my_btag = I386_BUS_SPACE_IO; 87393746Sjulian#endif 87493746Sjulian } else { 87593746Sjulian if (!(command & PCIM_CMD_MEMEN)) { 87693746Sjulian printf("my%d: failed to enable memory mapping!\n", 87793746Sjulian unit); 87893746Sjulian error = ENXIO; 87993746Sjulian goto fail; 88093746Sjulian } 88193746Sjulian#if 0 88293746Sjulian if (!pci_map_mem(config_id, MY_PCI_LOMEM, &vbase, &pbase)) { 88393746Sjulian printf ("my%d: couldn't map memory\n", unit); 88493746Sjulian error = ENXIO; 88593746Sjulian goto fail; 88693746Sjulian } 88794863Sjulian sc->my_btag = I386_BUS_SPACE_MEM; 88894863Sjulian sc->my_bhandle = vbase; 88993746Sjulian#endif 89093746Sjulian } 89193746Sjulian 89293746Sjulian rid = MY_RID; 893127135Snjl sc->my_res = bus_alloc_resource_any(dev, MY_RES, &rid, RF_ACTIVE); 89493746Sjulian 89593746Sjulian if (sc->my_res == NULL) { 89693746Sjulian printf("my%d: couldn't map ports/memory\n", unit); 89793746Sjulian error = ENXIO; 89893746Sjulian goto fail; 89993746Sjulian } 90093746Sjulian sc->my_btag = rman_get_bustag(sc->my_res); 90193746Sjulian sc->my_bhandle = rman_get_bushandle(sc->my_res); 90293746Sjulian 90393746Sjulian rid = 0; 904127135Snjl sc->my_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 905127135Snjl RF_SHAREABLE | RF_ACTIVE); 90693746Sjulian 90793746Sjulian if (sc->my_irq == NULL) { 90893746Sjulian printf("my%d: couldn't map interrupt\n", unit); 90993746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 91093746Sjulian error = ENXIO; 91193746Sjulian goto fail; 91293746Sjulian } 91393746Sjulian error = bus_setup_intr(dev, sc->my_irq, INTR_TYPE_NET, 91493746Sjulian my_intr, sc, &sc->my_intrhand); 91593746Sjulian 91693746Sjulian if (error) { 91793746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 91893746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 91993746Sjulian printf("my%d: couldn't set up irq\n", unit); 92093746Sjulian goto fail; 92193746Sjulian } 92293746Sjulian callout_handle_init(&sc->my_stat_ch); 92393746Sjulian 92493746Sjulian sc->my_info = my_info_tmp; 92593746Sjulian 92693746Sjulian /* Reset the adapter. */ 92793746Sjulian my_reset(sc); 92893746Sjulian 92993746Sjulian /* 93093746Sjulian * Get station address 93193746Sjulian */ 93293746Sjulian for (i = 0; i < ETHER_ADDR_LEN; ++i) 93393746Sjulian eaddr[i] = CSR_READ_1(sc, MY_PAR0 + i); 93493746Sjulian 93593746Sjulian sc->my_unit = unit; 93693746Sjulian bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 93793746Sjulian 93893746Sjulian sc->my_ldata_ptr = malloc(sizeof(struct my_list_data) + 8, 93993746Sjulian M_DEVBUF, M_NOWAIT); 94093746Sjulian if (sc->my_ldata_ptr == NULL) { 94193746Sjulian free(sc, M_DEVBUF); 94293746Sjulian printf("my%d: no memory for list buffers!\n", unit); 94393746Sjulian error = ENXIO; 94493746Sjulian goto fail; 94593746Sjulian } 94693746Sjulian sc->my_ldata = (struct my_list_data *) sc->my_ldata_ptr; 947106588Sjhb round = (uintptr_t)sc->my_ldata_ptr & 0xF; 94893746Sjulian roundptr = sc->my_ldata_ptr; 94993746Sjulian for (i = 0; i < 8; i++) { 95093746Sjulian if (round % 8) { 95193746Sjulian round++; 95293746Sjulian roundptr++; 95393746Sjulian } else 95493746Sjulian break; 95593746Sjulian } 95693746Sjulian sc->my_ldata = (struct my_list_data *) roundptr; 95793746Sjulian bzero(sc->my_ldata, sizeof(struct my_list_data)); 95893746Sjulian 95993746Sjulian ifp = &sc->arpcom.ac_if; 96093746Sjulian ifp->if_softc = sc; 961121816Sbrooks if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 96293746Sjulian ifp->if_mtu = ETHERMTU; 96393746Sjulian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 96493746Sjulian ifp->if_ioctl = my_ioctl; 96593746Sjulian ifp->if_start = my_start; 96693746Sjulian ifp->if_watchdog = my_watchdog; 96793746Sjulian ifp->if_init = my_init; 96893746Sjulian ifp->if_baudrate = 10000000; 96993746Sjulian ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 97093746Sjulian 97193746Sjulian if (sc->my_info->my_did == MTD803ID) 97293746Sjulian sc->my_pinfo = my_phys; 97393746Sjulian else { 97493746Sjulian if (bootverbose) 97593746Sjulian printf("my%d: probing for a PHY\n", sc->my_unit); 97693746Sjulian for (i = MY_PHYADDR_MIN; i < MY_PHYADDR_MAX + 1; i++) { 97793746Sjulian if (bootverbose) 97893746Sjulian printf("my%d: checking address: %d\n", 97993746Sjulian sc->my_unit, i); 98093746Sjulian sc->my_phy_addr = i; 98193746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 98293746Sjulian if ((phy_sts != 0) && (phy_sts != 0xffff)) 98393746Sjulian break; 98493746Sjulian else 98593746Sjulian phy_sts = 0; 98693746Sjulian } 98793746Sjulian if (phy_sts) { 98893746Sjulian phy_vid = my_phy_readreg(sc, PHY_VENID); 98993746Sjulian phy_did = my_phy_readreg(sc, PHY_DEVID); 99093746Sjulian if (bootverbose) { 99193746Sjulian printf("my%d: found PHY at address %d, ", 99293746Sjulian sc->my_unit, sc->my_phy_addr); 99393746Sjulian printf("vendor id: %x device id: %x\n", 99493746Sjulian phy_vid, phy_did); 99593746Sjulian } 99693746Sjulian p = my_phys; 99793746Sjulian while (p->my_vid) { 99893746Sjulian if (phy_vid == p->my_vid) { 99993746Sjulian sc->my_pinfo = p; 100093746Sjulian break; 100193746Sjulian } 100293746Sjulian p++; 100393746Sjulian } 100493746Sjulian if (sc->my_pinfo == NULL) 100593746Sjulian sc->my_pinfo = &my_phys[PHY_UNKNOWN]; 100693746Sjulian if (bootverbose) 100793746Sjulian printf("my%d: PHY type: %s\n", 100893746Sjulian sc->my_unit, sc->my_pinfo->my_name); 100993746Sjulian } else { 101093746Sjulian printf("my%d: MII without any phy!\n", sc->my_unit); 101193746Sjulian error = ENXIO; 101293746Sjulian goto fail; 101393746Sjulian } 101493746Sjulian } 101593746Sjulian 101693746Sjulian /* Do ifmedia setup. */ 101793746Sjulian ifmedia_init(&sc->ifmedia, 0, my_ifmedia_upd, my_ifmedia_sts); 101893746Sjulian my_getmode_mii(sc); 101993746Sjulian my_autoneg_mii(sc, MY_FLAG_FORCEDELAY, 1); 102093746Sjulian media = sc->ifmedia.ifm_media; 102193746Sjulian my_stop(sc); 102293746Sjulian ifmedia_set(&sc->ifmedia, media); 102393746Sjulian 1024106937Ssam ether_ifattach(ifp, eaddr); 102593746Sjulian 102693746Sjulian#if 0 102793746Sjulian at_shutdown(my_shutdown, sc, SHUTDOWN_POST_SYNC); 102893746Sjulian shutdownhook_establish(my_shutdown, sc); 102993746Sjulian#endif 103093746Sjulian 103193746Sjulian MY_UNLOCK(sc); 103293746Sjulian return (0); 103393746Sjulian 103493746Sjulianfail: 103593746Sjulian MY_UNLOCK(sc); 103693746Sjulian mtx_destroy(&sc->my_mtx); 103793746Sjulian splx(s); 103893746Sjulian return (error); 103993746Sjulian} 104093746Sjulian 104193746Sjulianstatic int 104293746Sjulianmy_detach(device_t dev) 104393746Sjulian{ 104493746Sjulian struct my_softc *sc; 104593746Sjulian struct ifnet *ifp; 104693746Sjulian int s; 104793746Sjulian 104893746Sjulian s = splimp(); 104993746Sjulian sc = device_get_softc(dev); 105093746Sjulian MY_LOCK(sc); 105193746Sjulian ifp = &sc->arpcom.ac_if; 1052106937Ssam ether_ifdetach(ifp); 105393746Sjulian my_stop(sc); 105493746Sjulian 105594863Sjulian#if 0 105694863Sjulian bus_generic_detach(dev); 105794863Sjulian device_delete_child(dev, sc->rl_miibus); 105894863Sjulian#endif 105994863Sjulian 106093746Sjulian bus_teardown_intr(dev, sc->my_irq, sc->my_intrhand); 106193746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 106293746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 106394863Sjulian#if 0 106494863Sjulian contigfree(sc->my_cdata.my_rx_buf, MY_RXBUFLEN + 32, M_DEVBUF); 106594863Sjulian#endif 106693746Sjulian free(sc, M_DEVBUF); 106793746Sjulian MY_UNLOCK(sc); 106893746Sjulian splx(s); 106993746Sjulian mtx_destroy(&sc->my_mtx); 107093746Sjulian return (0); 107193746Sjulian} 107293746Sjulian 107393746Sjulian 107493746Sjulian/* 107593746Sjulian * Initialize the transmit descriptors. 107693746Sjulian */ 107793746Sjulianstatic int 107893746Sjulianmy_list_tx_init(struct my_softc * sc) 107993746Sjulian{ 108093746Sjulian struct my_chain_data *cd; 108193746Sjulian struct my_list_data *ld; 108293746Sjulian int i; 108393746Sjulian 108493746Sjulian MY_LOCK(sc); 108593746Sjulian cd = &sc->my_cdata; 108693746Sjulian ld = sc->my_ldata; 108793746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 108893746Sjulian cd->my_tx_chain[i].my_ptr = &ld->my_tx_list[i]; 108993746Sjulian if (i == (MY_TX_LIST_CNT - 1)) 109093746Sjulian cd->my_tx_chain[i].my_nextdesc = &cd->my_tx_chain[0]; 109193746Sjulian else 109293746Sjulian cd->my_tx_chain[i].my_nextdesc = 109393746Sjulian &cd->my_tx_chain[i + 1]; 109493746Sjulian } 109593746Sjulian cd->my_tx_free = &cd->my_tx_chain[0]; 109693746Sjulian cd->my_tx_tail = cd->my_tx_head = NULL; 109793746Sjulian MY_UNLOCK(sc); 109893746Sjulian return (0); 109993746Sjulian} 110093746Sjulian 110193746Sjulian/* 110293746Sjulian * Initialize the RX descriptors and allocate mbufs for them. Note that we 110393746Sjulian * arrange the descriptors in a closed ring, so that the last descriptor 110493746Sjulian * points back to the first. 110593746Sjulian */ 110693746Sjulianstatic int 110793746Sjulianmy_list_rx_init(struct my_softc * sc) 110893746Sjulian{ 110993746Sjulian struct my_chain_data *cd; 111093746Sjulian struct my_list_data *ld; 111193746Sjulian int i; 111293746Sjulian 111393746Sjulian MY_LOCK(sc); 111493746Sjulian cd = &sc->my_cdata; 111593746Sjulian ld = sc->my_ldata; 111693746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 111793746Sjulian cd->my_rx_chain[i].my_ptr = 111893746Sjulian (struct my_desc *) & ld->my_rx_list[i]; 111997641Sjulian if (my_newbuf(sc, &cd->my_rx_chain[i]) == ENOBUFS) { 112097641Sjulian MY_UNLOCK(sc); 112193746Sjulian return (ENOBUFS); 112297641Sjulian } 112393746Sjulian if (i == (MY_RX_LIST_CNT - 1)) { 112493746Sjulian cd->my_rx_chain[i].my_nextdesc = &cd->my_rx_chain[0]; 112593746Sjulian ld->my_rx_list[i].my_next = vtophys(&ld->my_rx_list[0]); 112693746Sjulian } else { 112793746Sjulian cd->my_rx_chain[i].my_nextdesc = 112893746Sjulian &cd->my_rx_chain[i + 1]; 112993746Sjulian ld->my_rx_list[i].my_next = 113093746Sjulian vtophys(&ld->my_rx_list[i + 1]); 113193746Sjulian } 113293746Sjulian } 113393746Sjulian cd->my_rx_head = &cd->my_rx_chain[0]; 113493746Sjulian MY_UNLOCK(sc); 113593746Sjulian return (0); 113693746Sjulian} 113793746Sjulian 113893746Sjulian/* 113993746Sjulian * Initialize an RX descriptor and attach an MBUF cluster. 114093746Sjulian */ 114193746Sjulianstatic int 114293746Sjulianmy_newbuf(struct my_softc * sc, struct my_chain_onefrag * c) 114393746Sjulian{ 114493746Sjulian struct mbuf *m_new = NULL; 114593746Sjulian 114693746Sjulian MY_LOCK(sc); 1147111119Simp MGETHDR(m_new, M_DONTWAIT, MT_DATA); 114893746Sjulian if (m_new == NULL) { 114993746Sjulian printf("my%d: no memory for rx list -- packet dropped!\n", 115093746Sjulian sc->my_unit); 115195939Sjulian MY_UNLOCK(sc); 115293746Sjulian return (ENOBUFS); 115393746Sjulian } 1154111119Simp MCLGET(m_new, M_DONTWAIT); 115593746Sjulian if (!(m_new->m_flags & M_EXT)) { 115693746Sjulian printf("my%d: no memory for rx list -- packet dropped!\n", 115793746Sjulian sc->my_unit); 115893746Sjulian m_freem(m_new); 115995939Sjulian MY_UNLOCK(sc); 116093746Sjulian return (ENOBUFS); 116193746Sjulian } 116293746Sjulian c->my_mbuf = m_new; 116393746Sjulian c->my_ptr->my_data = vtophys(mtod(m_new, caddr_t)); 116493746Sjulian c->my_ptr->my_ctl = (MCLBYTES - 1) << MY_RBSShift; 116593746Sjulian c->my_ptr->my_status = MY_OWNByNIC; 116693746Sjulian MY_UNLOCK(sc); 116793746Sjulian return (0); 116893746Sjulian} 116993746Sjulian 117093746Sjulian/* 117193746Sjulian * A frame has been uploaded: pass the resulting mbuf chain up to the higher 117293746Sjulian * level protocols. 117393746Sjulian */ 117493746Sjulianstatic void 117593746Sjulianmy_rxeof(struct my_softc * sc) 117693746Sjulian{ 117793746Sjulian struct ether_header *eh; 117893746Sjulian struct mbuf *m; 117993746Sjulian struct ifnet *ifp; 118093746Sjulian struct my_chain_onefrag *cur_rx; 118193746Sjulian int total_len = 0; 118293746Sjulian u_int32_t rxstat; 118393746Sjulian 118493746Sjulian MY_LOCK(sc); 118593746Sjulian ifp = &sc->arpcom.ac_if; 118693746Sjulian while (!((rxstat = sc->my_cdata.my_rx_head->my_ptr->my_status) 118793746Sjulian & MY_OWNByNIC)) { 118893746Sjulian cur_rx = sc->my_cdata.my_rx_head; 118993746Sjulian sc->my_cdata.my_rx_head = cur_rx->my_nextdesc; 119093746Sjulian 119193746Sjulian if (rxstat & MY_ES) { /* error summary: give up this rx pkt */ 119293746Sjulian ifp->if_ierrors++; 119393746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 119493746Sjulian continue; 119593746Sjulian } 119693746Sjulian /* No errors; receive the packet. */ 119793746Sjulian total_len = (rxstat & MY_FLNGMASK) >> MY_FLNGShift; 119893746Sjulian total_len -= ETHER_CRC_LEN; 119993746Sjulian 120093746Sjulian if (total_len < MINCLSIZE) { 120193746Sjulian m = m_devget(mtod(cur_rx->my_mbuf, char *), 120293746Sjulian total_len, 0, ifp, NULL); 120393746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 120493746Sjulian if (m == NULL) { 120593746Sjulian ifp->if_ierrors++; 120693746Sjulian continue; 120793746Sjulian } 120893746Sjulian } else { 120993746Sjulian m = cur_rx->my_mbuf; 121093746Sjulian /* 121193746Sjulian * Try to conjure up a new mbuf cluster. If that 121293746Sjulian * fails, it means we have an out of memory condition 121393746Sjulian * and should leave the buffer in place and continue. 121493746Sjulian * This will result in a lost packet, but there's 121593746Sjulian * little else we can do in this situation. 121693746Sjulian */ 121793746Sjulian if (my_newbuf(sc, cur_rx) == ENOBUFS) { 121893746Sjulian ifp->if_ierrors++; 121993746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 122093746Sjulian continue; 122193746Sjulian } 122293746Sjulian m->m_pkthdr.rcvif = ifp; 122393746Sjulian m->m_pkthdr.len = m->m_len = total_len; 122493746Sjulian } 122593746Sjulian ifp->if_ipackets++; 122693746Sjulian eh = mtod(m, struct ether_header *); 122793746Sjulian#if NBPFILTER > 0 122893746Sjulian /* 122993746Sjulian * Handle BPF listeners. Let the BPF user see the packet, but 123093746Sjulian * don't pass it up to the ether_input() layer unless it's a 123193746Sjulian * broadcast packet, multicast packet, matches our ethernet 123293746Sjulian * address or the interface is in promiscuous mode. 123393746Sjulian */ 123493746Sjulian if (ifp->if_bpf) { 1235106937Ssam BPF_MTAP(ifp, m); 123693746Sjulian if (ifp->if_flags & IFF_PROMISC && 123793746Sjulian (bcmp(eh->ether_dhost, sc->arpcom.ac_enaddr, 123893746Sjulian ETHER_ADDR_LEN) && 123993746Sjulian (eh->ether_dhost[0] & 1) == 0)) { 124093746Sjulian m_freem(m); 124193746Sjulian continue; 124293746Sjulian } 124393746Sjulian } 124493746Sjulian#endif 1245122689Ssam MY_UNLOCK(sc); 1246106937Ssam (*ifp->if_input)(ifp, m); 1247122689Ssam MY_LOCK(sc); 124893746Sjulian } 124993746Sjulian MY_UNLOCK(sc); 125093746Sjulian return; 125193746Sjulian} 125293746Sjulian 125393746Sjulian 125493746Sjulian/* 125593746Sjulian * A frame was downloaded to the chip. It's safe for us to clean up the list 125693746Sjulian * buffers. 125793746Sjulian */ 125893746Sjulianstatic void 125993746Sjulianmy_txeof(struct my_softc * sc) 126093746Sjulian{ 126193746Sjulian struct my_chain *cur_tx; 126293746Sjulian struct ifnet *ifp; 126393746Sjulian 126493746Sjulian MY_LOCK(sc); 126593746Sjulian ifp = &sc->arpcom.ac_if; 126693746Sjulian /* Clear the timeout timer. */ 126793746Sjulian ifp->if_timer = 0; 126895939Sjulian if (sc->my_cdata.my_tx_head == NULL) { 126995939Sjulian MY_UNLOCK(sc); 127093746Sjulian return; 127195939Sjulian } 127293746Sjulian /* 127393746Sjulian * Go through our tx list and free mbufs for those frames that have 127493746Sjulian * been transmitted. 127593746Sjulian */ 127693746Sjulian while (sc->my_cdata.my_tx_head->my_mbuf != NULL) { 127793746Sjulian u_int32_t txstat; 127893746Sjulian 127993746Sjulian cur_tx = sc->my_cdata.my_tx_head; 128093746Sjulian txstat = MY_TXSTATUS(cur_tx); 128193746Sjulian if ((txstat & MY_OWNByNIC) || txstat == MY_UNSENT) 128293746Sjulian break; 128393746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced)) { 128493746Sjulian if (txstat & MY_TXERR) { 128593746Sjulian ifp->if_oerrors++; 128693746Sjulian if (txstat & MY_EC) /* excessive collision */ 128793746Sjulian ifp->if_collisions++; 128893746Sjulian if (txstat & MY_LC) /* late collision */ 128993746Sjulian ifp->if_collisions++; 129093746Sjulian } 129193746Sjulian ifp->if_collisions += (txstat & MY_NCRMASK) >> 129293746Sjulian MY_NCRShift; 129393746Sjulian } 129493746Sjulian ifp->if_opackets++; 129593746Sjulian m_freem(cur_tx->my_mbuf); 129693746Sjulian cur_tx->my_mbuf = NULL; 129793746Sjulian if (sc->my_cdata.my_tx_head == sc->my_cdata.my_tx_tail) { 129893746Sjulian sc->my_cdata.my_tx_head = NULL; 129993746Sjulian sc->my_cdata.my_tx_tail = NULL; 130093746Sjulian break; 130193746Sjulian } 130293746Sjulian sc->my_cdata.my_tx_head = cur_tx->my_nextdesc; 130393746Sjulian } 130493746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced) { 130593746Sjulian ifp->if_collisions += (CSR_READ_4(sc, MY_TSR) & MY_NCRMask); 130693746Sjulian } 130793746Sjulian MY_UNLOCK(sc); 130893746Sjulian return; 130993746Sjulian} 131093746Sjulian 131193746Sjulian/* 131293746Sjulian * TX 'end of channel' interrupt handler. 131393746Sjulian */ 131493746Sjulianstatic void 131593746Sjulianmy_txeoc(struct my_softc * sc) 131693746Sjulian{ 131793746Sjulian struct ifnet *ifp; 131893746Sjulian 131993746Sjulian MY_LOCK(sc); 132093746Sjulian ifp = &sc->arpcom.ac_if; 132193746Sjulian ifp->if_timer = 0; 132293746Sjulian if (sc->my_cdata.my_tx_head == NULL) { 132393746Sjulian ifp->if_flags &= ~IFF_OACTIVE; 132493746Sjulian sc->my_cdata.my_tx_tail = NULL; 132593746Sjulian if (sc->my_want_auto) 132693746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 132793746Sjulian } else { 132893746Sjulian if (MY_TXOWN(sc->my_cdata.my_tx_head) == MY_UNSENT) { 132993746Sjulian MY_TXOWN(sc->my_cdata.my_tx_head) = MY_OWNByNIC; 133093746Sjulian ifp->if_timer = 5; 133193746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); 133293746Sjulian } 133393746Sjulian } 133493746Sjulian MY_UNLOCK(sc); 133593746Sjulian return; 133693746Sjulian} 133793746Sjulian 133893746Sjulianstatic void 133993746Sjulianmy_intr(void *arg) 134093746Sjulian{ 134193746Sjulian struct my_softc *sc; 134293746Sjulian struct ifnet *ifp; 134393746Sjulian u_int32_t status; 134493746Sjulian 134593746Sjulian sc = arg; 134693746Sjulian MY_LOCK(sc); 134793746Sjulian ifp = &sc->arpcom.ac_if; 134893746Sjulian if (!(ifp->if_flags & IFF_UP)) { 134993746Sjulian MY_UNLOCK(sc); 135093746Sjulian return; 135193746Sjulian } 135293746Sjulian /* Disable interrupts. */ 135393746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 135493746Sjulian 135593746Sjulian for (;;) { 135693746Sjulian status = CSR_READ_4(sc, MY_ISR); 135793746Sjulian status &= MY_INTRS; 135893746Sjulian if (status) 135993746Sjulian CSR_WRITE_4(sc, MY_ISR, status); 136093746Sjulian else 136193746Sjulian break; 136293746Sjulian 136393746Sjulian if (status & MY_RI) /* receive interrupt */ 136493746Sjulian my_rxeof(sc); 136593746Sjulian 136693746Sjulian if ((status & MY_RBU) || (status & MY_RxErr)) { 136793746Sjulian /* rx buffer unavailable or rx error */ 136893746Sjulian ifp->if_ierrors++; 136993746Sjulian#ifdef foo 137093746Sjulian my_stop(sc); 137193746Sjulian my_reset(sc); 137293746Sjulian my_init(sc); 137393746Sjulian#endif 137493746Sjulian } 137593746Sjulian if (status & MY_TI) /* tx interrupt */ 137693746Sjulian my_txeof(sc); 137793746Sjulian if (status & MY_ETI) /* tx early interrupt */ 137893746Sjulian my_txeof(sc); 137993746Sjulian if (status & MY_TBU) /* tx buffer unavailable */ 138093746Sjulian my_txeoc(sc); 138194863Sjulian 138294863Sjulian#if 0 /* 90/1/18 delete */ 138394863Sjulian if (status & MY_FBE) { 138494863Sjulian my_reset(sc); 138594863Sjulian my_init(sc); 138694863Sjulian } 138794863Sjulian#endif 138894863Sjulian 138993746Sjulian } 139093746Sjulian 139193746Sjulian /* Re-enable interrupts. */ 139293746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 139393746Sjulian if (ifp->if_snd.ifq_head != NULL) 139493746Sjulian my_start(ifp); 139593746Sjulian MY_UNLOCK(sc); 139693746Sjulian return; 139793746Sjulian} 139893746Sjulian 139993746Sjulian/* 140093746Sjulian * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data 140193746Sjulian * pointers to the fragment pointers. 140293746Sjulian */ 140393746Sjulianstatic int 140493746Sjulianmy_encap(struct my_softc * sc, struct my_chain * c, struct mbuf * m_head) 140593746Sjulian{ 140693746Sjulian struct my_desc *f = NULL; 140793746Sjulian int total_len; 140893746Sjulian struct mbuf *m, *m_new = NULL; 140993746Sjulian 141093746Sjulian MY_LOCK(sc); 141193746Sjulian /* calculate the total tx pkt length */ 141293746Sjulian total_len = 0; 141393746Sjulian for (m = m_head; m != NULL; m = m->m_next) 141493746Sjulian total_len += m->m_len; 141593746Sjulian /* 141693746Sjulian * Start packing the mbufs in this chain into the fragment pointers. 141793746Sjulian * Stop when we run out of fragments or hit the end of the mbuf 141893746Sjulian * chain. 141993746Sjulian */ 142093746Sjulian m = m_head; 1421111119Simp MGETHDR(m_new, M_DONTWAIT, MT_DATA); 142293746Sjulian if (m_new == NULL) { 142393746Sjulian printf("my%d: no memory for tx list", sc->my_unit); 142495939Sjulian MY_UNLOCK(sc); 142593746Sjulian return (1); 142693746Sjulian } 142793746Sjulian if (m_head->m_pkthdr.len > MHLEN) { 1428111119Simp MCLGET(m_new, M_DONTWAIT); 142993746Sjulian if (!(m_new->m_flags & M_EXT)) { 143093746Sjulian m_freem(m_new); 143193746Sjulian printf("my%d: no memory for tx list", sc->my_unit); 143295939Sjulian MY_UNLOCK(sc); 143393746Sjulian return (1); 143493746Sjulian } 143593746Sjulian } 143693746Sjulian m_copydata(m_head, 0, m_head->m_pkthdr.len, mtod(m_new, caddr_t)); 143793746Sjulian m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len; 143893746Sjulian m_freem(m_head); 143993746Sjulian m_head = m_new; 144093746Sjulian f = &c->my_ptr->my_frag[0]; 144193746Sjulian f->my_status = 0; 144293746Sjulian f->my_data = vtophys(mtod(m_new, caddr_t)); 144393746Sjulian total_len = m_new->m_len; 144493746Sjulian f->my_ctl = MY_TXFD | MY_TXLD | MY_CRCEnable | MY_PADEnable; 144593746Sjulian f->my_ctl |= total_len << MY_PKTShift; /* pkt size */ 144693746Sjulian f->my_ctl |= total_len; /* buffer size */ 144794904Sjulian /* 89/12/29 add, for mtd891 *//* [ 89? ] */ 144893746Sjulian if (sc->my_info->my_did == MTD891ID) 144993746Sjulian f->my_ctl |= MY_ETIControl | MY_RetryTxLC; 145093746Sjulian c->my_mbuf = m_head; 145193746Sjulian c->my_lastdesc = 0; 145293746Sjulian MY_TXNEXT(c) = vtophys(&c->my_nextdesc->my_ptr->my_frag[0]); 145393746Sjulian MY_UNLOCK(sc); 145493746Sjulian return (0); 145593746Sjulian} 145693746Sjulian 145793746Sjulian/* 145893746Sjulian * Main transmit routine. To avoid having to do mbuf copies, we put pointers 145993746Sjulian * to the mbuf data regions directly in the transmit lists. We also save a 146093746Sjulian * copy of the pointers since the transmit list fragment pointers are 146193746Sjulian * physical addresses. 146293746Sjulian */ 146393746Sjulianstatic void 146493746Sjulianmy_start(struct ifnet * ifp) 146593746Sjulian{ 146693746Sjulian struct my_softc *sc; 146793746Sjulian struct mbuf *m_head = NULL; 146893746Sjulian struct my_chain *cur_tx = NULL, *start_tx; 146993746Sjulian 147093746Sjulian sc = ifp->if_softc; 147193746Sjulian MY_LOCK(sc); 147293746Sjulian if (sc->my_autoneg) { 147393746Sjulian sc->my_tx_pend = 1; 147493746Sjulian MY_UNLOCK(sc); 147593746Sjulian return; 147693746Sjulian } 147793746Sjulian /* 147893746Sjulian * Check for an available queue slot. If there are none, punt. 147993746Sjulian */ 148093746Sjulian if (sc->my_cdata.my_tx_free->my_mbuf != NULL) { 148193746Sjulian ifp->if_flags |= IFF_OACTIVE; 148293746Sjulian MY_UNLOCK(sc); 148393746Sjulian return; 148493746Sjulian } 148593746Sjulian start_tx = sc->my_cdata.my_tx_free; 148693746Sjulian while (sc->my_cdata.my_tx_free->my_mbuf == NULL) { 148793746Sjulian IF_DEQUEUE(&ifp->if_snd, m_head); 148893746Sjulian if (m_head == NULL) 148993746Sjulian break; 149093746Sjulian 149193746Sjulian /* Pick a descriptor off the free list. */ 149293746Sjulian cur_tx = sc->my_cdata.my_tx_free; 149393746Sjulian sc->my_cdata.my_tx_free = cur_tx->my_nextdesc; 149493746Sjulian 149593746Sjulian /* Pack the data into the descriptor. */ 149693746Sjulian my_encap(sc, cur_tx, m_head); 149793746Sjulian 149893746Sjulian if (cur_tx != start_tx) 149993746Sjulian MY_TXOWN(cur_tx) = MY_OWNByNIC; 150093746Sjulian#if NBPFILTER > 0 150193746Sjulian /* 150293746Sjulian * If there's a BPF listener, bounce a copy of this frame to 150393746Sjulian * him. 150493746Sjulian */ 1505106937Ssam BPF_MTAP(ifp, cur_tx->my_mbuf); 150693746Sjulian#endif 150793746Sjulian } 150893746Sjulian /* 150993746Sjulian * If there are no packets queued, bail. 151093746Sjulian */ 151193746Sjulian if (cur_tx == NULL) { 151293746Sjulian MY_UNLOCK(sc); 151393746Sjulian return; 151493746Sjulian } 151593746Sjulian /* 151693746Sjulian * Place the request for the upload interrupt in the last descriptor 151793746Sjulian * in the chain. This way, if we're chaining several packets at once, 151893746Sjulian * we'll only get an interupt once for the whole chain rather than 151993746Sjulian * once for each packet. 152093746Sjulian */ 152193746Sjulian MY_TXCTL(cur_tx) |= MY_TXIC; 152293746Sjulian cur_tx->my_ptr->my_frag[0].my_ctl |= MY_TXIC; 152393746Sjulian sc->my_cdata.my_tx_tail = cur_tx; 152493746Sjulian if (sc->my_cdata.my_tx_head == NULL) 152593746Sjulian sc->my_cdata.my_tx_head = start_tx; 152693746Sjulian MY_TXOWN(start_tx) = MY_OWNByNIC; 152793746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); /* tx polling demand */ 152893746Sjulian 152993746Sjulian /* 153093746Sjulian * Set a timeout in case the chip goes out to lunch. 153193746Sjulian */ 153293746Sjulian ifp->if_timer = 5; 153393746Sjulian MY_UNLOCK(sc); 153493746Sjulian return; 153593746Sjulian} 153693746Sjulian 153793746Sjulianstatic void 153893746Sjulianmy_init(void *xsc) 153993746Sjulian{ 154093746Sjulian struct my_softc *sc = xsc; 154193746Sjulian struct ifnet *ifp = &sc->arpcom.ac_if; 154293746Sjulian int s; 154393746Sjulian u_int16_t phy_bmcr = 0; 154493746Sjulian 154593746Sjulian MY_LOCK(sc); 154693746Sjulian if (sc->my_autoneg) { 154793746Sjulian MY_UNLOCK(sc); 154893746Sjulian return; 154993746Sjulian } 155093746Sjulian s = splimp(); 155193746Sjulian if (sc->my_pinfo != NULL) 155293746Sjulian phy_bmcr = my_phy_readreg(sc, PHY_BMCR); 155393746Sjulian /* 155493746Sjulian * Cancel pending I/O and free all RX/TX buffers. 155593746Sjulian */ 155693746Sjulian my_stop(sc); 155793746Sjulian my_reset(sc); 155893746Sjulian 155993746Sjulian /* 156093746Sjulian * Set cache alignment and burst length. 156193746Sjulian */ 156294863Sjulian#if 0 /* 89/9/1 modify, */ 156394863Sjulian CSR_WRITE_4(sc, MY_BCR, MY_RPBLE512); 156494863Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF); 156594863Sjulian#endif 156693746Sjulian CSR_WRITE_4(sc, MY_BCR, MY_PBL8); 156793746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF | MY_RBLEN | MY_RPBLE512); 156893746Sjulian /* 156993746Sjulian * 89/12/29 add, for mtd891, 157093746Sjulian */ 157193746Sjulian if (sc->my_info->my_did == MTD891ID) { 157293746Sjulian MY_SETBIT(sc, MY_BCR, MY_PROG); 157393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_Enhanced); 157493746Sjulian } 157593746Sjulian my_setcfg(sc, phy_bmcr); 157693746Sjulian /* Init circular RX list. */ 157793746Sjulian if (my_list_rx_init(sc) == ENOBUFS) { 157893746Sjulian printf("my%d: init failed: no memory for rx buffers\n", 157993746Sjulian sc->my_unit); 158093746Sjulian my_stop(sc); 158193746Sjulian (void)splx(s); 158293746Sjulian MY_UNLOCK(sc); 158393746Sjulian return; 158493746Sjulian } 158593746Sjulian /* Init TX descriptors. */ 158693746Sjulian my_list_tx_init(sc); 158793746Sjulian 158893746Sjulian /* If we want promiscuous mode, set the allframes bit. */ 158993746Sjulian if (ifp->if_flags & IFF_PROMISC) 159093746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PROM); 159193746Sjulian else 159293746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PROM); 159393746Sjulian 159493746Sjulian /* 159593746Sjulian * Set capture broadcast bit to capture broadcast frames. 159693746Sjulian */ 159793746Sjulian if (ifp->if_flags & IFF_BROADCAST) 159893746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_AB); 159993746Sjulian else 160093746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_AB); 160193746Sjulian 160293746Sjulian /* 160393746Sjulian * Program the multicast filter, if necessary. 160493746Sjulian */ 160593746Sjulian my_setmulti(sc); 160693746Sjulian 160793746Sjulian /* 160893746Sjulian * Load the address of the RX list. 160993746Sjulian */ 161093746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_RE); 161193746Sjulian CSR_WRITE_4(sc, MY_RXLBA, vtophys(&sc->my_ldata->my_rx_list[0])); 161293746Sjulian 161393746Sjulian /* 161493746Sjulian * Enable interrupts. 161593746Sjulian */ 161693746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 161793746Sjulian CSR_WRITE_4(sc, MY_ISR, 0xFFFFFFFF); 161893746Sjulian 161993746Sjulian /* Enable receiver and transmitter. */ 162093746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_RE); 162193746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_TE); 162293746Sjulian CSR_WRITE_4(sc, MY_TXLBA, vtophys(&sc->my_ldata->my_tx_list[0])); 162393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE); 162493746Sjulian 162593746Sjulian /* Restore state of BMCR */ 162693746Sjulian if (sc->my_pinfo != NULL) 162793746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_bmcr); 162893746Sjulian ifp->if_flags |= IFF_RUNNING; 162993746Sjulian ifp->if_flags &= ~IFF_OACTIVE; 163093746Sjulian (void)splx(s); 163193746Sjulian MY_UNLOCK(sc); 163293746Sjulian return; 163393746Sjulian} 163493746Sjulian 163593746Sjulian/* 163693746Sjulian * Set media options. 163793746Sjulian */ 163893746Sjulian 163993746Sjulianstatic int 164093746Sjulianmy_ifmedia_upd(struct ifnet * ifp) 164193746Sjulian{ 164293746Sjulian struct my_softc *sc; 164393746Sjulian struct ifmedia *ifm; 164493746Sjulian 164593746Sjulian sc = ifp->if_softc; 164693746Sjulian MY_LOCK(sc); 164793746Sjulian ifm = &sc->ifmedia; 164893746Sjulian if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) { 164993746Sjulian MY_UNLOCK(sc); 165093746Sjulian return (EINVAL); 165193746Sjulian } 165293746Sjulian if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) 165393746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 165493746Sjulian else 165593746Sjulian my_setmode_mii(sc, ifm->ifm_media); 165693746Sjulian MY_UNLOCK(sc); 165793746Sjulian return (0); 165893746Sjulian} 165993746Sjulian 166093746Sjulian/* 166193746Sjulian * Report current media status. 166293746Sjulian */ 166393746Sjulian 166493746Sjulianstatic void 166593746Sjulianmy_ifmedia_sts(struct ifnet * ifp, struct ifmediareq * ifmr) 166693746Sjulian{ 166793746Sjulian struct my_softc *sc; 166893746Sjulian u_int16_t advert = 0, ability = 0; 166993746Sjulian 167093746Sjulian sc = ifp->if_softc; 167193746Sjulian MY_LOCK(sc); 167293746Sjulian ifmr->ifm_active = IFM_ETHER; 167393746Sjulian if (!(my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_AUTONEGENBL)) { 167494863Sjulian#if 0 /* this version did not support 1000M, */ 167594863Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_1000) 167694863Sjulian ifmr->ifm_active = IFM_ETHER | IFM_1000TX; 167794863Sjulian#endif 167893746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_SPEEDSEL) 167993746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX; 168093746Sjulian else 168193746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T; 168293746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_DUPLEX) 168393746Sjulian ifmr->ifm_active |= IFM_FDX; 168493746Sjulian else 168593746Sjulian ifmr->ifm_active |= IFM_HDX; 168693746Sjulian 168793746Sjulian MY_UNLOCK(sc); 168893746Sjulian return; 168993746Sjulian } 169093746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 169193746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 169293746Sjulian 169394863Sjulian#if 0 /* this version did not support 1000M, */ 169493746Sjulian if (sc->my_pinfo->my_vid = MarvellPHYID0) { 169593746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 169693746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 169793746Sjulian advert = 0; 169893746Sjulian ability = 0; 169995673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_FDX; 170093746Sjulian } else if (ability & PHY_1000SR_1000BTXHALF) { 170193746Sjulian advert = 0; 170293746Sjulian ability = 0; 170395673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_HDX; 170493746Sjulian } 170593746Sjulian } 170693746Sjulian#endif 170793746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) 170893746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_T4; 170993746Sjulian else if (advert & PHY_ANAR_100BTXFULL && ability & PHY_ANAR_100BTXFULL) 171093746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_FDX; 171193746Sjulian else if (advert & PHY_ANAR_100BTXHALF && ability & PHY_ANAR_100BTXHALF) 171293746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_HDX; 171393746Sjulian else if (advert & PHY_ANAR_10BTFULL && ability & PHY_ANAR_10BTFULL) 171493746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_FDX; 171593746Sjulian else if (advert & PHY_ANAR_10BTHALF && ability & PHY_ANAR_10BTHALF) 171693746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_HDX; 171793746Sjulian MY_UNLOCK(sc); 171893746Sjulian return; 171993746Sjulian} 172093746Sjulian 172193746Sjulianstatic int 172293746Sjulianmy_ioctl(struct ifnet * ifp, u_long command, caddr_t data) 172393746Sjulian{ 172493746Sjulian struct my_softc *sc = ifp->if_softc; 172593746Sjulian struct ifreq *ifr = (struct ifreq *) data; 172693746Sjulian int s, error = 0; 172793746Sjulian 172893746Sjulian s = splimp(); 172993746Sjulian MY_LOCK(sc); 173093746Sjulian switch (command) { 173193746Sjulian case SIOCSIFFLAGS: 173293746Sjulian if (ifp->if_flags & IFF_UP) 173393746Sjulian my_init(sc); 173493746Sjulian else if (ifp->if_flags & IFF_RUNNING) 173593746Sjulian my_stop(sc); 173693746Sjulian error = 0; 173793746Sjulian break; 173893746Sjulian case SIOCADDMULTI: 173993746Sjulian case SIOCDELMULTI: 174093746Sjulian my_setmulti(sc); 174193746Sjulian error = 0; 174293746Sjulian break; 174393746Sjulian case SIOCGIFMEDIA: 174493746Sjulian case SIOCSIFMEDIA: 174593746Sjulian error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command); 174693746Sjulian break; 174793746Sjulian default: 1748106937Ssam error = ether_ioctl(ifp, command, data); 174993746Sjulian break; 175093746Sjulian } 175193746Sjulian MY_UNLOCK(sc); 175293746Sjulian (void)splx(s); 175393746Sjulian return (error); 175493746Sjulian} 175593746Sjulian 175693746Sjulianstatic void 175793746Sjulianmy_watchdog(struct ifnet * ifp) 175893746Sjulian{ 175993746Sjulian struct my_softc *sc; 176093746Sjulian 176193746Sjulian sc = ifp->if_softc; 176293746Sjulian MY_LOCK(sc); 176393746Sjulian if (sc->my_autoneg) { 176493746Sjulian my_autoneg_mii(sc, MY_FLAG_DELAYTIMEO, 1); 176593746Sjulian MY_UNLOCK(sc); 176693746Sjulian return; 176793746Sjulian } 176893746Sjulian ifp->if_oerrors++; 176993746Sjulian printf("my%d: watchdog timeout\n", sc->my_unit); 177093746Sjulian if (!(my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT)) 177193746Sjulian printf("my%d: no carrier - transceiver cable problem?\n", 177293746Sjulian sc->my_unit); 177393746Sjulian my_stop(sc); 177493746Sjulian my_reset(sc); 177593746Sjulian my_init(sc); 177693746Sjulian if (ifp->if_snd.ifq_head != NULL) 177793746Sjulian my_start(ifp); 177893746Sjulian MY_LOCK(sc); 177993746Sjulian return; 178093746Sjulian} 178193746Sjulian 178293746Sjulian 178393746Sjulian/* 178493746Sjulian * Stop the adapter and free any mbufs allocated to the RX and TX lists. 178593746Sjulian */ 178693746Sjulianstatic void 178793746Sjulianmy_stop(struct my_softc * sc) 178893746Sjulian{ 178993746Sjulian register int i; 179093746Sjulian struct ifnet *ifp; 179193746Sjulian 179293746Sjulian MY_LOCK(sc); 179393746Sjulian ifp = &sc->arpcom.ac_if; 179493746Sjulian ifp->if_timer = 0; 179593746Sjulian 179693746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_RE | MY_TE)); 179793746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 179893746Sjulian CSR_WRITE_4(sc, MY_TXLBA, 0x00000000); 179993746Sjulian CSR_WRITE_4(sc, MY_RXLBA, 0x00000000); 180093746Sjulian 180193746Sjulian /* 180293746Sjulian * Free data in the RX lists. 180393746Sjulian */ 180493746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 180593746Sjulian if (sc->my_cdata.my_rx_chain[i].my_mbuf != NULL) { 180693746Sjulian m_freem(sc->my_cdata.my_rx_chain[i].my_mbuf); 180793746Sjulian sc->my_cdata.my_rx_chain[i].my_mbuf = NULL; 180893746Sjulian } 180993746Sjulian } 181093746Sjulian bzero((char *)&sc->my_ldata->my_rx_list, 181193746Sjulian sizeof(sc->my_ldata->my_rx_list)); 181293746Sjulian /* 181393746Sjulian * Free the TX list buffers. 181493746Sjulian */ 181593746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 181693746Sjulian if (sc->my_cdata.my_tx_chain[i].my_mbuf != NULL) { 181793746Sjulian m_freem(sc->my_cdata.my_tx_chain[i].my_mbuf); 181893746Sjulian sc->my_cdata.my_tx_chain[i].my_mbuf = NULL; 181993746Sjulian } 182093746Sjulian } 182193746Sjulian bzero((char *)&sc->my_ldata->my_tx_list, 182293746Sjulian sizeof(sc->my_ldata->my_tx_list)); 182393746Sjulian ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 182493746Sjulian MY_UNLOCK(sc); 182593746Sjulian return; 182693746Sjulian} 182793746Sjulian 182893746Sjulian/* 182993746Sjulian * Stop all chip I/O so that the kernel's probe routines don't get confused 183093746Sjulian * by errant DMAs when rebooting. 183193746Sjulian */ 183293746Sjulianstatic void 183393746Sjulianmy_shutdown(device_t dev) 183493746Sjulian{ 183593746Sjulian struct my_softc *sc; 183693746Sjulian 183793746Sjulian sc = device_get_softc(dev); 183893746Sjulian my_stop(sc); 183993746Sjulian return; 184093746Sjulian} 1841