if_my.c revision 148887
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 148887 2005-08-09 10:20:02Z rwatson $"); 32113038Sobrien 3393746Sjulian#include <sys/param.h> 3493746Sjulian#include <sys/systm.h> 3593746Sjulian#include <sys/sockio.h> 3693746Sjulian#include <sys/mbuf.h> 3793746Sjulian#include <sys/malloc.h> 3893746Sjulian#include <sys/kernel.h> 3993746Sjulian#include <sys/socket.h> 4093746Sjulian#include <sys/queue.h> 4193746Sjulian#include <sys/types.h> 4293746Sjulian#include <sys/bus.h> 4393746Sjulian#include <sys/module.h> 4495807Sjulian#include <sys/lock.h> 4595807Sjulian#include <sys/mutex.h> 4693746Sjulian 4793746Sjulian#define NBPFILTER 1 4893746Sjulian 4993746Sjulian#include <net/if.h> 5093746Sjulian#include <net/if_arp.h> 5193746Sjulian#include <net/ethernet.h> 5293746Sjulian#include <net/if_media.h> 53147256Sbrooks#include <net/if_types.h> 5493746Sjulian#include <net/if_dl.h> 5593746Sjulian#include <net/bpf.h> 5693746Sjulian 5793746Sjulian#include <vm/vm.h> /* for vtophys */ 5893746Sjulian#include <vm/pmap.h> /* for vtophys */ 5993746Sjulian#include <machine/clock.h> /* for DELAY */ 6093746Sjulian#include <machine/bus.h> 6193746Sjulian#include <machine/resource.h> 6293746Sjulian#include <sys/bus.h> 6393746Sjulian#include <sys/rman.h> 6493746Sjulian 65119285Simp#include <dev/pci/pcireg.h> 66119285Simp#include <dev/pci/pcivar.h> 6793746Sjulian 6893746Sjulian#include <dev/mii/mii.h> 6993746Sjulian#include <dev/mii/miivar.h> 7093746Sjulian 7193746Sjulian#include "miibus_if.h" 7293746Sjulian 7393746Sjulian/* 7493746Sjulian * #define MY_USEIOSPACE 7593746Sjulian */ 7693746Sjulian 7793746Sjulianstatic int MY_USEIOSPACE = 1; 7893746Sjulian 7993746Sjulian#if (MY_USEIOSPACE) 8094904Sjulian#define MY_RES SYS_RES_IOPORT 8194904Sjulian#define MY_RID MY_PCI_LOIO 8293746Sjulian#else 8394904Sjulian#define MY_RES SYS_RES_MEMORY 8494904Sjulian#define MY_RID MY_PCI_LOMEM 8593746Sjulian#endif 8693746Sjulian 8793746Sjulian 8893746Sjulian#include <dev/my/if_myreg.h> 8993746Sjulian 9093746Sjulian#ifndef lint 9193746Sjulianstatic const char rcsid[] = 92119285Simp"$Id: if_my.c,v 1.16 2003/04/15 06:37:25 mdodd Exp $"; 9393746Sjulian#endif 9493746Sjulian 9593746Sjulian/* 9693746Sjulian * Various supported device vendors/types and their names. 9793746Sjulian */ 9893746Sjulianstruct my_type *my_info_tmp; 9993746Sjulianstatic struct my_type my_devs[] = { 10093746Sjulian {MYSONVENDORID, MTD800ID, "Myson MTD80X Based Fast Ethernet Card"}, 10193746Sjulian {MYSONVENDORID, MTD803ID, "Myson MTD80X Based Fast Ethernet Card"}, 10293746Sjulian {MYSONVENDORID, MTD891ID, "Myson MTD89X Based Giga Ethernet Card"}, 10393746Sjulian {0, 0, NULL} 10493746Sjulian}; 10593746Sjulian 10693746Sjulian/* 10793746Sjulian * Various supported PHY vendors/types and their names. Note that this driver 10893746Sjulian * will work with pretty much any MII-compliant PHY, so failure to positively 10993746Sjulian * identify the chip is not a fatal error. 11093746Sjulian */ 11193746Sjulianstatic struct my_type my_phys[] = { 11293746Sjulian {MysonPHYID0, MysonPHYID0, "<MYSON MTD981>"}, 11393746Sjulian {SeeqPHYID0, SeeqPHYID0, "<SEEQ 80225>"}, 11493746Sjulian {AhdocPHYID0, AhdocPHYID0, "<AHDOC 101>"}, 11593746Sjulian {MarvellPHYID0, MarvellPHYID0, "<MARVELL 88E1000>"}, 11693746Sjulian {LevelOnePHYID0, LevelOnePHYID0, "<LevelOne LXT1000>"}, 11793746Sjulian {0, 0, "<MII-compliant physical interface>"} 11893746Sjulian}; 11993746Sjulian 12093746Sjulianstatic int my_probe(device_t); 12193746Sjulianstatic int my_attach(device_t); 12293746Sjulianstatic int my_detach(device_t); 12393746Sjulianstatic int my_newbuf(struct my_softc *, struct my_chain_onefrag *); 12493746Sjulianstatic int my_encap(struct my_softc *, struct my_chain *, struct mbuf *); 12593746Sjulianstatic void my_rxeof(struct my_softc *); 12693746Sjulianstatic void my_txeof(struct my_softc *); 12793746Sjulianstatic void my_txeoc(struct my_softc *); 12893746Sjulianstatic void my_intr(void *); 12993746Sjulianstatic void my_start(struct ifnet *); 13093746Sjulianstatic int my_ioctl(struct ifnet *, u_long, caddr_t); 13193746Sjulianstatic void my_init(void *); 13293746Sjulianstatic void my_stop(struct my_softc *); 13393746Sjulianstatic void my_watchdog(struct ifnet *); 13493746Sjulianstatic void my_shutdown(device_t); 13593746Sjulianstatic int my_ifmedia_upd(struct ifnet *); 13693746Sjulianstatic void my_ifmedia_sts(struct ifnet *, struct ifmediareq *); 13793746Sjulianstatic u_int16_t my_phy_readreg(struct my_softc *, int); 13893746Sjulianstatic void my_phy_writereg(struct my_softc *, int, int); 13993746Sjulianstatic void my_autoneg_xmit(struct my_softc *); 14093746Sjulianstatic void my_autoneg_mii(struct my_softc *, int, int); 14193746Sjulianstatic void my_setmode_mii(struct my_softc *, int); 14293746Sjulianstatic void my_getmode_mii(struct my_softc *); 14393746Sjulianstatic void my_setcfg(struct my_softc *, int); 14493746Sjulianstatic void my_setmulti(struct my_softc *); 14593746Sjulianstatic void my_reset(struct my_softc *); 14693746Sjulianstatic int my_list_rx_init(struct my_softc *); 14793746Sjulianstatic int my_list_tx_init(struct my_softc *); 14893746Sjulianstatic long my_send_cmd_to_phy(struct my_softc *, int, int); 14993746Sjulian 150106696Salfred#define MY_SETBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) | (x)) 151106696Salfred#define MY_CLRBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) & ~(x)) 15293746Sjulian 15393746Sjulianstatic device_method_t my_methods[] = { 15493746Sjulian /* Device interface */ 15593746Sjulian DEVMETHOD(device_probe, my_probe), 15693746Sjulian DEVMETHOD(device_attach, my_attach), 15793746Sjulian DEVMETHOD(device_detach, my_detach), 15893746Sjulian DEVMETHOD(device_shutdown, my_shutdown), 15993746Sjulian 16093746Sjulian {0, 0} 16193746Sjulian}; 16293746Sjulian 16393746Sjulianstatic driver_t my_driver = { 16493746Sjulian "my", 16593746Sjulian my_methods, 16693746Sjulian sizeof(struct my_softc) 16793746Sjulian}; 16893746Sjulian 16993746Sjulianstatic devclass_t my_devclass; 17093746Sjulian 171113506SmdoddDRIVER_MODULE(my, pci, my_driver, my_devclass, 0, 0); 172113506SmdoddMODULE_DEPEND(my, pci, 1, 1, 1); 173113506SmdoddMODULE_DEPEND(my, ether, 1, 1, 1); 17493746Sjulian 17593746Sjulianstatic long 17693746Sjulianmy_send_cmd_to_phy(struct my_softc * sc, int opcode, int regad) 17793746Sjulian{ 17893746Sjulian long miir; 17993746Sjulian int i; 18093746Sjulian int mask, data; 18193746Sjulian 18293746Sjulian MY_LOCK(sc); 18393746Sjulian 18493746Sjulian /* enable MII output */ 18593746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 18693746Sjulian miir &= 0xfffffff0; 18793746Sjulian 18893746Sjulian miir |= MY_MASK_MIIR_MII_WRITE + MY_MASK_MIIR_MII_MDO; 18993746Sjulian 19093746Sjulian /* send 32 1's preamble */ 19193746Sjulian for (i = 0; i < 32; i++) { 19293746Sjulian /* low MDC; MDO is already high (miir) */ 19393746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 19493746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19593746Sjulian 19693746Sjulian /* high MDC */ 19793746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 19893746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19993746Sjulian } 20093746Sjulian 20193746Sjulian /* calculate ST+OP+PHYAD+REGAD+TA */ 20293746Sjulian data = opcode | (sc->my_phy_addr << 7) | (regad << 2); 20393746Sjulian 20493746Sjulian /* sent out */ 20593746Sjulian mask = 0x8000; 20693746Sjulian while (mask) { 20793746Sjulian /* low MDC, prepare MDO */ 20893746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 20993746Sjulian if (mask & data) 21093746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 21193746Sjulian 21293746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21393746Sjulian /* high MDC */ 21493746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 21593746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21693746Sjulian DELAY(30); 21793746Sjulian 21893746Sjulian /* next */ 21993746Sjulian mask >>= 1; 22093746Sjulian if (mask == 0x2 && opcode == MY_OP_READ) 22193746Sjulian miir &= ~MY_MASK_MIIR_MII_WRITE; 22293746Sjulian } 22393746Sjulian 22493746Sjulian MY_UNLOCK(sc); 22593746Sjulian return miir; 22693746Sjulian} 22793746Sjulian 22893746Sjulian 22993746Sjulianstatic u_int16_t 23093746Sjulianmy_phy_readreg(struct my_softc * sc, int reg) 23193746Sjulian{ 23293746Sjulian long miir; 23393746Sjulian int mask, data; 23493746Sjulian 23593746Sjulian MY_LOCK(sc); 23693746Sjulian 23793746Sjulian if (sc->my_info->my_did == MTD803ID) 23893746Sjulian data = CSR_READ_2(sc, MY_PHYBASE + reg * 2); 23993746Sjulian else { 24093746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_READ, reg); 24193746Sjulian 24293746Sjulian /* read data */ 24393746Sjulian mask = 0x8000; 24493746Sjulian data = 0; 24593746Sjulian while (mask) { 24693746Sjulian /* low MDC */ 24793746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 24893746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 24993746Sjulian 25093746Sjulian /* read MDI */ 25193746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 25293746Sjulian if (miir & MY_MASK_MIIR_MII_MDI) 25393746Sjulian data |= mask; 25493746Sjulian 25593746Sjulian /* high MDC, and wait */ 25693746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 25793746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 25893746Sjulian DELAY(30); 25993746Sjulian 26093746Sjulian /* next */ 26193746Sjulian mask >>= 1; 26293746Sjulian } 26393746Sjulian 26493746Sjulian /* low MDC */ 26593746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 26693746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 26793746Sjulian } 26893746Sjulian 26993746Sjulian MY_UNLOCK(sc); 27093746Sjulian return (u_int16_t) data; 27193746Sjulian} 27293746Sjulian 27393746Sjulian 27493746Sjulianstatic void 27593746Sjulianmy_phy_writereg(struct my_softc * sc, int reg, int data) 27693746Sjulian{ 27793746Sjulian long miir; 27893746Sjulian int mask; 27993746Sjulian 28093746Sjulian MY_LOCK(sc); 28193746Sjulian 28293746Sjulian if (sc->my_info->my_did == MTD803ID) 28393746Sjulian CSR_WRITE_2(sc, MY_PHYBASE + reg * 2, data); 28493746Sjulian else { 28593746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_WRITE, reg); 28693746Sjulian 28793746Sjulian /* write data */ 28893746Sjulian mask = 0x8000; 28993746Sjulian while (mask) { 29093746Sjulian /* low MDC, prepare MDO */ 29193746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 29293746Sjulian if (mask & data) 29393746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 29493746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29593746Sjulian DELAY(1); 29693746Sjulian 29793746Sjulian /* high MDC */ 29893746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 29993746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 30093746Sjulian DELAY(1); 30193746Sjulian 30293746Sjulian /* next */ 30393746Sjulian mask >>= 1; 30493746Sjulian } 30593746Sjulian 30693746Sjulian /* low MDC */ 30793746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 30893746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 30993746Sjulian } 31093746Sjulian MY_UNLOCK(sc); 31193746Sjulian return; 31293746Sjulian} 31393746Sjulian 31493746Sjulian 31593746Sjulian/* 31693746Sjulian * Program the 64-bit multicast hash filter. 31793746Sjulian */ 31893746Sjulianstatic void 31993746Sjulianmy_setmulti(struct my_softc * sc) 32093746Sjulian{ 32193746Sjulian struct ifnet *ifp; 32293746Sjulian int h = 0; 32393746Sjulian u_int32_t hashes[2] = {0, 0}; 32493746Sjulian struct ifmultiaddr *ifma; 32593746Sjulian u_int32_t rxfilt; 32693746Sjulian int mcnt = 0; 32793746Sjulian 32893746Sjulian MY_LOCK(sc); 32993746Sjulian 330147256Sbrooks ifp = sc->my_ifp; 33193746Sjulian 33293746Sjulian rxfilt = CSR_READ_4(sc, MY_TCRRCR); 33393746Sjulian 33493746Sjulian if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 33593746Sjulian rxfilt |= MY_AM; 33693746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 33793746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0xFFFFFFFF); 33893746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0xFFFFFFFF); 33993746Sjulian 34093746Sjulian MY_UNLOCK(sc); 34193746Sjulian 34293746Sjulian return; 34393746Sjulian } 34493746Sjulian /* first, zot all the existing hash bits */ 34593746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0); 34693746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0); 34793746Sjulian 34893746Sjulian /* now program new ones */ 349148654Srwatson IF_ADDR_LOCK(ifp); 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 } 361148654Srwatson IF_ADDR_UNLOCK(ifp); 36293746Sjulian 36393746Sjulian if (mcnt) 36493746Sjulian rxfilt |= MY_AM; 36593746Sjulian else 36693746Sjulian rxfilt &= ~MY_AM; 36793746Sjulian CSR_WRITE_4(sc, MY_MAR0, hashes[0]); 36893746Sjulian CSR_WRITE_4(sc, MY_MAR1, hashes[1]); 36993746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 37093746Sjulian MY_UNLOCK(sc); 37193746Sjulian return; 37293746Sjulian} 37393746Sjulian 37493746Sjulian/* 37593746Sjulian * Initiate an autonegotiation session. 37693746Sjulian */ 37793746Sjulianstatic void 37893746Sjulianmy_autoneg_xmit(struct my_softc * sc) 37993746Sjulian{ 38093746Sjulian u_int16_t phy_sts = 0; 38193746Sjulian 38293746Sjulian MY_LOCK(sc); 38393746Sjulian 38493746Sjulian my_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET); 38593746Sjulian DELAY(500); 38693746Sjulian while (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_RESET); 38793746Sjulian 38893746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMCR); 38993746Sjulian phy_sts |= PHY_BMCR_AUTONEGENBL | PHY_BMCR_AUTONEGRSTR; 39093746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_sts); 39193746Sjulian 39293746Sjulian MY_UNLOCK(sc); 39393746Sjulian return; 39493746Sjulian} 39593746Sjulian 39693746Sjulian 39793746Sjulian/* 39893746Sjulian * Invoke autonegotiation on a PHY. 39993746Sjulian */ 40093746Sjulianstatic void 40193746Sjulianmy_autoneg_mii(struct my_softc * sc, int flag, int verbose) 40293746Sjulian{ 40393746Sjulian u_int16_t phy_sts = 0, media, advert, ability; 40493746Sjulian u_int16_t ability2 = 0; 40593746Sjulian struct ifnet *ifp; 40693746Sjulian struct ifmedia *ifm; 40793746Sjulian 40893746Sjulian MY_LOCK(sc); 40993746Sjulian 41093746Sjulian ifm = &sc->ifmedia; 411147256Sbrooks ifp = sc->my_ifp; 41293746Sjulian 41393746Sjulian ifm->ifm_media = IFM_ETHER | IFM_AUTO; 41493746Sjulian 41593746Sjulian#ifndef FORCE_AUTONEG_TFOUR 41693746Sjulian /* 41793746Sjulian * First, see if autoneg is supported. If not, there's no point in 41893746Sjulian * continuing. 41993746Sjulian */ 42093746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 42193746Sjulian if (!(phy_sts & PHY_BMSR_CANAUTONEG)) { 42293746Sjulian if (verbose) 42393746Sjulian printf("my%d: autonegotiation not supported\n", 42493746Sjulian sc->my_unit); 42593746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 42693746Sjulian MY_UNLOCK(sc); 42793746Sjulian return; 42893746Sjulian } 42993746Sjulian#endif 43093746Sjulian switch (flag) { 43193746Sjulian case MY_FLAG_FORCEDELAY: 43293746Sjulian /* 43393746Sjulian * XXX Never use this option anywhere but in the probe 43493746Sjulian * routine: making the kernel stop dead in its tracks for 43593746Sjulian * three whole seconds after we've gone multi-user is really 43693746Sjulian * bad manners. 43793746Sjulian */ 43893746Sjulian my_autoneg_xmit(sc); 43993746Sjulian DELAY(5000000); 44093746Sjulian break; 44193746Sjulian case MY_FLAG_SCHEDDELAY: 44293746Sjulian /* 44393746Sjulian * Wait for the transmitter to go idle before starting an 44493746Sjulian * autoneg session, otherwise my_start() may clobber our 44593746Sjulian * timeout, and we don't want to allow transmission during an 44693746Sjulian * autoneg session since that can screw it up. 44793746Sjulian */ 44893746Sjulian if (sc->my_cdata.my_tx_head != NULL) { 44993746Sjulian sc->my_want_auto = 1; 45093746Sjulian MY_UNLOCK(sc); 45193746Sjulian return; 45293746Sjulian } 45393746Sjulian my_autoneg_xmit(sc); 45493746Sjulian ifp->if_timer = 5; 45593746Sjulian sc->my_autoneg = 1; 45693746Sjulian sc->my_want_auto = 0; 45793746Sjulian MY_UNLOCK(sc); 45893746Sjulian return; 45993746Sjulian case MY_FLAG_DELAYTIMEO: 46093746Sjulian ifp->if_timer = 0; 46193746Sjulian sc->my_autoneg = 0; 46293746Sjulian break; 46393746Sjulian default: 46493746Sjulian printf("my%d: invalid autoneg flag: %d\n", sc->my_unit, flag); 46593746Sjulian MY_UNLOCK(sc); 46693746Sjulian return; 46793746Sjulian } 46893746Sjulian 46993746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) { 47093746Sjulian if (verbose) 47193746Sjulian printf("my%d: autoneg complete, ", sc->my_unit); 47293746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 47393746Sjulian } else { 47493746Sjulian if (verbose) 47593746Sjulian printf("my%d: autoneg not complete, ", sc->my_unit); 47693746Sjulian } 47793746Sjulian 47893746Sjulian media = my_phy_readreg(sc, PHY_BMCR); 47993746Sjulian 48093746Sjulian /* Link is good. Report modes and set duplex mode. */ 48193746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT) { 48293746Sjulian if (verbose) 48393746Sjulian printf("my%d: link status good. ", sc->my_unit); 48493746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 48593746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 48693746Sjulian if ((sc->my_pinfo->my_vid == MarvellPHYID0) || 48793746Sjulian (sc->my_pinfo->my_vid == LevelOnePHYID0)) { 48893746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 48993746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 49093746Sjulian advert = 0; 49193746Sjulian ability = 0; 49293746Sjulian /* 49393746Sjulian * this version did not support 1000M, 49493746Sjulian * ifm->ifm_media = 49595673Sphk * IFM_ETHER|IFM_1000_T|IFM_FDX; 49693746Sjulian */ 49793746Sjulian ifm->ifm_media = 49893746Sjulian IFM_ETHER | IFM_100_TX | IFM_FDX; 49993746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 50093746Sjulian media |= PHY_BMCR_1000; 50193746Sjulian media |= PHY_BMCR_DUPLEX; 50293746Sjulian printf("(full-duplex, 1000Mbps)\n"); 50393746Sjulian } else if (ability2 & PHY_1000SR_1000BTXHALF) { 50493746Sjulian advert = 0; 50593746Sjulian ability = 0; 50693746Sjulian /* 50793746Sjulian * this version did not support 1000M, 50895673Sphk * ifm->ifm_media = IFM_ETHER|IFM_1000_T; 50993746Sjulian */ 51093746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX; 51193746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 51293746Sjulian media &= ~PHY_BMCR_DUPLEX; 51393746Sjulian media |= PHY_BMCR_1000; 51493746Sjulian printf("(half-duplex, 1000Mbps)\n"); 51593746Sjulian } 51693746Sjulian } 51793746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) { 51893746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_T4; 51993746Sjulian media |= PHY_BMCR_SPEEDSEL; 52093746Sjulian media &= ~PHY_BMCR_DUPLEX; 52193746Sjulian printf("(100baseT4)\n"); 52293746Sjulian } else if (advert & PHY_ANAR_100BTXFULL && 52393746Sjulian ability & PHY_ANAR_100BTXFULL) { 52493746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 52593746Sjulian media |= PHY_BMCR_SPEEDSEL; 52693746Sjulian media |= PHY_BMCR_DUPLEX; 52793746Sjulian printf("(full-duplex, 100Mbps)\n"); 52893746Sjulian } else if (advert & PHY_ANAR_100BTXHALF && 52993746Sjulian ability & PHY_ANAR_100BTXHALF) { 53093746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 53193746Sjulian media |= PHY_BMCR_SPEEDSEL; 53293746Sjulian media &= ~PHY_BMCR_DUPLEX; 53393746Sjulian printf("(half-duplex, 100Mbps)\n"); 53493746Sjulian } else if (advert & PHY_ANAR_10BTFULL && 53593746Sjulian ability & PHY_ANAR_10BTFULL) { 53693746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 53793746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 53893746Sjulian media |= PHY_BMCR_DUPLEX; 53993746Sjulian printf("(full-duplex, 10Mbps)\n"); 54093746Sjulian } else if (advert) { 54193746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 54293746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 54393746Sjulian media &= ~PHY_BMCR_DUPLEX; 54493746Sjulian printf("(half-duplex, 10Mbps)\n"); 54593746Sjulian } 54693746Sjulian media &= ~PHY_BMCR_AUTONEGENBL; 54793746Sjulian 54893746Sjulian /* Set ASIC's duplex mode to match the PHY. */ 54993746Sjulian my_phy_writereg(sc, PHY_BMCR, media); 55093746Sjulian my_setcfg(sc, media); 55193746Sjulian } else { 55293746Sjulian if (verbose) 55393746Sjulian printf("my%d: no carrier\n", sc->my_unit); 55493746Sjulian } 55593746Sjulian 55693746Sjulian my_init(sc); 55793746Sjulian if (sc->my_tx_pend) { 55893746Sjulian sc->my_autoneg = 0; 55993746Sjulian sc->my_tx_pend = 0; 56093746Sjulian my_start(ifp); 56193746Sjulian } 56293746Sjulian MY_UNLOCK(sc); 56393746Sjulian return; 56493746Sjulian} 56593746Sjulian 56693746Sjulian/* 56793746Sjulian * To get PHY ability. 56893746Sjulian */ 56993746Sjulianstatic void 57093746Sjulianmy_getmode_mii(struct my_softc * sc) 57193746Sjulian{ 57293746Sjulian u_int16_t bmsr; 57393746Sjulian struct ifnet *ifp; 57493746Sjulian 57593746Sjulian MY_LOCK(sc); 576147256Sbrooks ifp = sc->my_ifp; 57793746Sjulian bmsr = my_phy_readreg(sc, PHY_BMSR); 57893746Sjulian if (bootverbose) 57993746Sjulian printf("my%d: PHY status word: %x\n", sc->my_unit, bmsr); 58093746Sjulian 58193746Sjulian /* fallback */ 58293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 58393746Sjulian 58493746Sjulian if (bmsr & PHY_BMSR_10BTHALF) { 58593746Sjulian if (bootverbose) 58693746Sjulian printf("my%d: 10Mbps half-duplex mode supported\n", 58793746Sjulian sc->my_unit); 58893746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_HDX, 58993746Sjulian 0, NULL); 59093746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, NULL); 59193746Sjulian } 59293746Sjulian if (bmsr & PHY_BMSR_10BTFULL) { 59393746Sjulian if (bootverbose) 59493746Sjulian printf("my%d: 10Mbps full-duplex mode supported\n", 59593746Sjulian sc->my_unit); 59693746Sjulian 59793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 59893746Sjulian 0, NULL); 59993746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 60093746Sjulian } 60193746Sjulian if (bmsr & PHY_BMSR_100BTXHALF) { 60293746Sjulian if (bootverbose) 60393746Sjulian printf("my%d: 100Mbps half-duplex mode supported\n", 60493746Sjulian sc->my_unit); 60593746Sjulian ifp->if_baudrate = 100000000; 60693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL); 60793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_HDX, 60893746Sjulian 0, NULL); 60993746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 61093746Sjulian } 61193746Sjulian if (bmsr & PHY_BMSR_100BTXFULL) { 61293746Sjulian if (bootverbose) 61393746Sjulian printf("my%d: 100Mbps full-duplex mode supported\n", 61493746Sjulian sc->my_unit); 61593746Sjulian ifp->if_baudrate = 100000000; 61693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 61793746Sjulian 0, NULL); 61893746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 61993746Sjulian } 62093746Sjulian /* Some also support 100BaseT4. */ 62193746Sjulian if (bmsr & PHY_BMSR_100BT4) { 62293746Sjulian if (bootverbose) 62393746Sjulian printf("my%d: 100baseT4 mode supported\n", sc->my_unit); 62493746Sjulian ifp->if_baudrate = 100000000; 62593746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_T4, 0, NULL); 62693746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_T4; 62793746Sjulian#ifdef FORCE_AUTONEG_TFOUR 62893746Sjulian if (bootverbose) 62993746Sjulian printf("my%d: forcing on autoneg support for BT4\n", 63093746Sjulian sc->my_unit); 63193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0 NULL): 63293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 63393746Sjulian#endif 63493746Sjulian } 63594863Sjulian#if 0 /* this version did not support 1000M, */ 63693746Sjulian if (sc->my_pinfo->my_vid == MarvellPHYID0) { 63793746Sjulian if (bootverbose) 63893746Sjulian printf("my%d: 1000Mbps half-duplex mode supported\n", 63993746Sjulian sc->my_unit); 64093746Sjulian 64193746Sjulian ifp->if_baudrate = 1000000000; 64295673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T, 0, NULL); 64395673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_HDX, 64493746Sjulian 0, NULL); 64593746Sjulian if (bootverbose) 64693746Sjulian printf("my%d: 1000Mbps full-duplex mode supported\n", 64793746Sjulian sc->my_unit); 64893746Sjulian ifp->if_baudrate = 1000000000; 64995673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 65093746Sjulian 0, NULL); 65195673Sphk sc->ifmedia.ifm_media = IFM_ETHER | IFM_1000_T | IFM_FDX; 65293746Sjulian } 65393746Sjulian#endif 65493746Sjulian if (bmsr & PHY_BMSR_CANAUTONEG) { 65593746Sjulian if (bootverbose) 65693746Sjulian printf("my%d: autoneg supported\n", sc->my_unit); 65793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 65893746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 65993746Sjulian } 66093746Sjulian MY_UNLOCK(sc); 66193746Sjulian return; 66293746Sjulian} 66393746Sjulian 66493746Sjulian/* 66593746Sjulian * Set speed and duplex mode. 66693746Sjulian */ 66793746Sjulianstatic void 66893746Sjulianmy_setmode_mii(struct my_softc * sc, int media) 66993746Sjulian{ 67093746Sjulian u_int16_t bmcr; 67193746Sjulian struct ifnet *ifp; 67293746Sjulian 67393746Sjulian MY_LOCK(sc); 674147256Sbrooks ifp = sc->my_ifp; 67593746Sjulian /* 67693746Sjulian * If an autoneg session is in progress, stop it. 67793746Sjulian */ 67893746Sjulian if (sc->my_autoneg) { 67993746Sjulian printf("my%d: canceling autoneg session\n", sc->my_unit); 68093746Sjulian ifp->if_timer = sc->my_autoneg = sc->my_want_auto = 0; 68193746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 68293746Sjulian bmcr &= ~PHY_BMCR_AUTONEGENBL; 68393746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 68493746Sjulian } 68593746Sjulian printf("my%d: selecting MII, ", sc->my_unit); 68693746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 68793746Sjulian bmcr &= ~(PHY_BMCR_AUTONEGENBL | PHY_BMCR_SPEEDSEL | PHY_BMCR_1000 | 68893746Sjulian PHY_BMCR_DUPLEX | PHY_BMCR_LOOPBK); 68994863Sjulian 69094863Sjulian#if 0 /* this version did not support 1000M, */ 69195673Sphk if (IFM_SUBTYPE(media) == IFM_1000_T) { 69293746Sjulian printf("1000Mbps/T4, half-duplex\n"); 69393746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 69493746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 69593746Sjulian bmcr |= PHY_BMCR_1000; 69693746Sjulian } 69793746Sjulian#endif 69893746Sjulian if (IFM_SUBTYPE(media) == IFM_100_T4) { 69993746Sjulian printf("100Mbps/T4, half-duplex\n"); 70093746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 70193746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 70293746Sjulian } 70393746Sjulian if (IFM_SUBTYPE(media) == IFM_100_TX) { 70493746Sjulian printf("100Mbps, "); 70593746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 70693746Sjulian } 70793746Sjulian if (IFM_SUBTYPE(media) == IFM_10_T) { 70893746Sjulian printf("10Mbps, "); 70993746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 71093746Sjulian } 71193746Sjulian if ((media & IFM_GMASK) == IFM_FDX) { 71293746Sjulian printf("full duplex\n"); 71393746Sjulian bmcr |= PHY_BMCR_DUPLEX; 71493746Sjulian } else { 71593746Sjulian printf("half duplex\n"); 71693746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 71793746Sjulian } 71893746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 71993746Sjulian my_setcfg(sc, bmcr); 72093746Sjulian MY_UNLOCK(sc); 72193746Sjulian return; 72293746Sjulian} 72393746Sjulian 72493746Sjulian/* 72593746Sjulian * The Myson manual states that in order to fiddle with the 'full-duplex' and 72693746Sjulian * '100Mbps' bits in the netconfig register, we first have to put the 72793746Sjulian * transmit and/or receive logic in the idle state. 72893746Sjulian */ 72993746Sjulianstatic void 73093746Sjulianmy_setcfg(struct my_softc * sc, int bmcr) 73193746Sjulian{ 73293746Sjulian int i, restart = 0; 73393746Sjulian 73493746Sjulian MY_LOCK(sc); 73593746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & (MY_TE | MY_RE)) { 73693746Sjulian restart = 1; 73793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_TE | MY_RE)); 73893746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 73993746Sjulian DELAY(10); 74093746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & 74193746Sjulian (MY_TXRUN | MY_RXRUN))) 74293746Sjulian break; 74393746Sjulian } 74493746Sjulian if (i == MY_TIMEOUT) 74593746Sjulian printf("my%d: failed to force tx and rx to idle \n", 74693746Sjulian sc->my_unit); 74793746Sjulian } 74893746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS1000); 74993746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS10); 75093746Sjulian if (bmcr & PHY_BMCR_1000) 75193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS1000); 75293746Sjulian else if (!(bmcr & PHY_BMCR_SPEEDSEL)) 75393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS10); 75493746Sjulian if (bmcr & PHY_BMCR_DUPLEX) 75593746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_FD); 75693746Sjulian else 75793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_FD); 75893746Sjulian if (restart) 75993746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE | MY_RE); 76093746Sjulian MY_UNLOCK(sc); 76193746Sjulian return; 76293746Sjulian} 76393746Sjulian 76493746Sjulianstatic void 76593746Sjulianmy_reset(struct my_softc * sc) 76693746Sjulian{ 76793746Sjulian register int i; 76893746Sjulian 76993746Sjulian MY_LOCK(sc); 77093746Sjulian MY_SETBIT(sc, MY_BCR, MY_SWR); 77193746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 77293746Sjulian DELAY(10); 77393746Sjulian if (!(CSR_READ_4(sc, MY_BCR) & MY_SWR)) 77493746Sjulian break; 77593746Sjulian } 77693746Sjulian if (i == MY_TIMEOUT) 77793746Sjulian printf("m0x%d: reset never completed!\n", sc->my_unit); 77893746Sjulian 77993746Sjulian /* Wait a little while for the chip to get its brains in order. */ 78093746Sjulian DELAY(1000); 78193746Sjulian MY_UNLOCK(sc); 78293746Sjulian return; 78393746Sjulian} 78493746Sjulian 78593746Sjulian/* 78693746Sjulian * Probe for a Myson chip. Check the PCI vendor and device IDs against our 78793746Sjulian * list and return a device name if we find a match. 78893746Sjulian */ 78993746Sjulianstatic int 79093746Sjulianmy_probe(device_t dev) 79193746Sjulian{ 79293746Sjulian struct my_type *t; 79393746Sjulian 79493746Sjulian t = my_devs; 79593746Sjulian while (t->my_name != NULL) { 79693746Sjulian if ((pci_get_vendor(dev) == t->my_vid) && 79793746Sjulian (pci_get_device(dev) == t->my_did)) { 79893746Sjulian device_set_desc(dev, t->my_name); 79993746Sjulian my_info_tmp = t; 800143158Simp return (BUS_PROBE_DEFAULT); 80193746Sjulian } 80293746Sjulian t++; 80393746Sjulian } 80493746Sjulian return (ENXIO); 80593746Sjulian} 80693746Sjulian 80793746Sjulian/* 80893746Sjulian * Attach the interface. Allocate softc structures, do ifmedia setup and 80993746Sjulian * ethernet/BPF attach. 81093746Sjulian */ 81193746Sjulianstatic int 81293746Sjulianmy_attach(device_t dev) 81393746Sjulian{ 81493746Sjulian int s, i; 81593746Sjulian u_char eaddr[ETHER_ADDR_LEN]; 81693746Sjulian u_int32_t command, iobase; 81793746Sjulian struct my_softc *sc; 81893746Sjulian struct ifnet *ifp; 81993746Sjulian int media = IFM_ETHER | IFM_100_TX | IFM_FDX; 82093746Sjulian unsigned int round; 82193746Sjulian caddr_t roundptr; 82293746Sjulian struct my_type *p; 82393746Sjulian u_int16_t phy_vid, phy_did, phy_sts = 0; 82493746Sjulian int rid, unit, error = 0; 82593746Sjulian 82693746Sjulian s = splimp(); 82793746Sjulian sc = device_get_softc(dev); 82893746Sjulian unit = device_get_unit(dev); 82993746Sjulian bzero(sc, sizeof(struct my_softc)); 83095803Sjulian mtx_init(&sc->my_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 83195803Sjulian MTX_DEF | MTX_RECURSE); 83293746Sjulian MY_LOCK(sc); 83393746Sjulian 83493746Sjulian /* 83593746Sjulian * Map control/status registers. 83693746Sjulian */ 83794863Sjulian#if 0 83894863Sjulian command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 83994863Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 84094863Sjulian pci_write_config(dev, PCI_COMMAND_STATUS_REG, command & 0x000000ff, 4); 84194863Sjulian command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 84294863Sjulian#endif 84393746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 84493746Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 84593746Sjulian pci_write_config(dev, PCIR_COMMAND, command & 0x000000ff, 4); 84693746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 84793746Sjulian 84893746Sjulian if (my_info_tmp->my_did == MTD800ID) { 84993746Sjulian iobase = pci_read_config(dev, MY_PCI_LOIO, 4); 85093746Sjulian if (iobase & 0x300) 85193746Sjulian MY_USEIOSPACE = 0; 85293746Sjulian } 85393746Sjulian if (MY_USEIOSPACE) { 85493746Sjulian if (!(command & PCIM_CMD_PORTEN)) { 85593746Sjulian printf("my%d: failed to enable I/O ports!\n", unit); 85693746Sjulian free(sc, M_DEVBUF); 85793746Sjulian error = ENXIO; 85893746Sjulian goto fail; 85993746Sjulian } 86093746Sjulian#if 0 86194863Sjulian if (!pci_map_port(config_id, MY_PCI_LOIO, (u_int16_t *) & (sc->my_bhandle))) { 86294863Sjulian printf("my%d: couldn't map ports\n", unit); 86394863Sjulian error = ENXIO; 86494863Sjulian goto fail; 86593746Sjulian } 86693746Sjulian 86793746Sjulian sc->my_btag = I386_BUS_SPACE_IO; 86893746Sjulian#endif 86993746Sjulian } else { 87093746Sjulian if (!(command & PCIM_CMD_MEMEN)) { 87193746Sjulian printf("my%d: failed to enable memory mapping!\n", 87293746Sjulian unit); 87393746Sjulian error = ENXIO; 87493746Sjulian goto fail; 87593746Sjulian } 87693746Sjulian#if 0 87793746Sjulian if (!pci_map_mem(config_id, MY_PCI_LOMEM, &vbase, &pbase)) { 87893746Sjulian printf ("my%d: couldn't map memory\n", unit); 87993746Sjulian error = ENXIO; 88093746Sjulian goto fail; 88193746Sjulian } 88294863Sjulian sc->my_btag = I386_BUS_SPACE_MEM; 88394863Sjulian sc->my_bhandle = vbase; 88493746Sjulian#endif 88593746Sjulian } 88693746Sjulian 88793746Sjulian rid = MY_RID; 888127135Snjl sc->my_res = bus_alloc_resource_any(dev, MY_RES, &rid, RF_ACTIVE); 88993746Sjulian 89093746Sjulian if (sc->my_res == NULL) { 89193746Sjulian printf("my%d: couldn't map ports/memory\n", unit); 89293746Sjulian error = ENXIO; 89393746Sjulian goto fail; 89493746Sjulian } 89593746Sjulian sc->my_btag = rman_get_bustag(sc->my_res); 89693746Sjulian sc->my_bhandle = rman_get_bushandle(sc->my_res); 89793746Sjulian 89893746Sjulian rid = 0; 899127135Snjl sc->my_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 900127135Snjl RF_SHAREABLE | RF_ACTIVE); 90193746Sjulian 90293746Sjulian if (sc->my_irq == NULL) { 90393746Sjulian printf("my%d: couldn't map interrupt\n", unit); 90493746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 90593746Sjulian error = ENXIO; 90693746Sjulian goto fail; 90793746Sjulian } 90893746Sjulian error = bus_setup_intr(dev, sc->my_irq, INTR_TYPE_NET, 90993746Sjulian my_intr, sc, &sc->my_intrhand); 91093746Sjulian 91193746Sjulian if (error) { 91293746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 91393746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 91493746Sjulian printf("my%d: couldn't set up irq\n", unit); 91593746Sjulian goto fail; 91693746Sjulian } 91793746Sjulian callout_handle_init(&sc->my_stat_ch); 91893746Sjulian 91993746Sjulian sc->my_info = my_info_tmp; 92093746Sjulian 92193746Sjulian /* Reset the adapter. */ 92293746Sjulian my_reset(sc); 92393746Sjulian 92493746Sjulian /* 92593746Sjulian * Get station address 92693746Sjulian */ 92793746Sjulian for (i = 0; i < ETHER_ADDR_LEN; ++i) 92893746Sjulian eaddr[i] = CSR_READ_1(sc, MY_PAR0 + i); 92993746Sjulian 93093746Sjulian sc->my_unit = unit; 93193746Sjulian 93293746Sjulian sc->my_ldata_ptr = malloc(sizeof(struct my_list_data) + 8, 93393746Sjulian M_DEVBUF, M_NOWAIT); 93493746Sjulian if (sc->my_ldata_ptr == NULL) { 93593746Sjulian free(sc, M_DEVBUF); 93693746Sjulian printf("my%d: no memory for list buffers!\n", unit); 93793746Sjulian error = ENXIO; 93893746Sjulian goto fail; 93993746Sjulian } 94093746Sjulian sc->my_ldata = (struct my_list_data *) sc->my_ldata_ptr; 941106588Sjhb round = (uintptr_t)sc->my_ldata_ptr & 0xF; 94293746Sjulian roundptr = sc->my_ldata_ptr; 94393746Sjulian for (i = 0; i < 8; i++) { 94493746Sjulian if (round % 8) { 94593746Sjulian round++; 94693746Sjulian roundptr++; 94793746Sjulian } else 94893746Sjulian break; 94993746Sjulian } 95093746Sjulian sc->my_ldata = (struct my_list_data *) roundptr; 95193746Sjulian bzero(sc->my_ldata, sizeof(struct my_list_data)); 95293746Sjulian 953147256Sbrooks ifp = sc->my_ifp = if_alloc(IFT_ETHER); 954147256Sbrooks if (ifp == NULL) { 955147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 956147256Sbrooks error = ENOSPC; 957147256Sbrooks goto fail; 958147256Sbrooks } 95993746Sjulian ifp->if_softc = sc; 960121816Sbrooks if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 96193746Sjulian ifp->if_mtu = ETHERMTU; 96293746Sjulian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 96393746Sjulian ifp->if_ioctl = my_ioctl; 96493746Sjulian ifp->if_start = my_start; 96593746Sjulian ifp->if_watchdog = my_watchdog; 96693746Sjulian ifp->if_init = my_init; 96793746Sjulian ifp->if_baudrate = 10000000; 96893746Sjulian ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 96993746Sjulian 97093746Sjulian if (sc->my_info->my_did == MTD803ID) 97193746Sjulian sc->my_pinfo = my_phys; 97293746Sjulian else { 97393746Sjulian if (bootverbose) 97493746Sjulian printf("my%d: probing for a PHY\n", sc->my_unit); 97593746Sjulian for (i = MY_PHYADDR_MIN; i < MY_PHYADDR_MAX + 1; i++) { 97693746Sjulian if (bootverbose) 97793746Sjulian printf("my%d: checking address: %d\n", 97893746Sjulian sc->my_unit, i); 97993746Sjulian sc->my_phy_addr = i; 98093746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 98193746Sjulian if ((phy_sts != 0) && (phy_sts != 0xffff)) 98293746Sjulian break; 98393746Sjulian else 98493746Sjulian phy_sts = 0; 98593746Sjulian } 98693746Sjulian if (phy_sts) { 98793746Sjulian phy_vid = my_phy_readreg(sc, PHY_VENID); 98893746Sjulian phy_did = my_phy_readreg(sc, PHY_DEVID); 98993746Sjulian if (bootverbose) { 99093746Sjulian printf("my%d: found PHY at address %d, ", 99193746Sjulian sc->my_unit, sc->my_phy_addr); 99293746Sjulian printf("vendor id: %x device id: %x\n", 99393746Sjulian phy_vid, phy_did); 99493746Sjulian } 99593746Sjulian p = my_phys; 99693746Sjulian while (p->my_vid) { 99793746Sjulian if (phy_vid == p->my_vid) { 99893746Sjulian sc->my_pinfo = p; 99993746Sjulian break; 100093746Sjulian } 100193746Sjulian p++; 100293746Sjulian } 100393746Sjulian if (sc->my_pinfo == NULL) 100493746Sjulian sc->my_pinfo = &my_phys[PHY_UNKNOWN]; 100593746Sjulian if (bootverbose) 100693746Sjulian printf("my%d: PHY type: %s\n", 100793746Sjulian sc->my_unit, sc->my_pinfo->my_name); 100893746Sjulian } else { 100993746Sjulian printf("my%d: MII without any phy!\n", sc->my_unit); 101093746Sjulian error = ENXIO; 101193746Sjulian goto fail; 101293746Sjulian } 101393746Sjulian } 101493746Sjulian 101593746Sjulian /* Do ifmedia setup. */ 101693746Sjulian ifmedia_init(&sc->ifmedia, 0, my_ifmedia_upd, my_ifmedia_sts); 101793746Sjulian my_getmode_mii(sc); 101893746Sjulian my_autoneg_mii(sc, MY_FLAG_FORCEDELAY, 1); 101993746Sjulian media = sc->ifmedia.ifm_media; 102093746Sjulian my_stop(sc); 102193746Sjulian ifmedia_set(&sc->ifmedia, media); 102293746Sjulian 1023106937Ssam ether_ifattach(ifp, eaddr); 102493746Sjulian 102593746Sjulian#if 0 102693746Sjulian at_shutdown(my_shutdown, sc, SHUTDOWN_POST_SYNC); 102793746Sjulian shutdownhook_establish(my_shutdown, sc); 102893746Sjulian#endif 102993746Sjulian 103093746Sjulian MY_UNLOCK(sc); 103193746Sjulian return (0); 103293746Sjulian 103393746Sjulianfail: 103493746Sjulian MY_UNLOCK(sc); 103593746Sjulian mtx_destroy(&sc->my_mtx); 1036147256Sbrooks if (sc->my_ldata_ptr != NULL) 1037147256Sbrooks free(sc->my_ldata_ptr, M_DEVBUF); 103893746Sjulian splx(s); 103993746Sjulian return (error); 104093746Sjulian} 104193746Sjulian 104293746Sjulianstatic int 104393746Sjulianmy_detach(device_t dev) 104493746Sjulian{ 104593746Sjulian struct my_softc *sc; 104693746Sjulian struct ifnet *ifp; 104793746Sjulian int s; 104893746Sjulian 104993746Sjulian s = splimp(); 105093746Sjulian sc = device_get_softc(dev); 105193746Sjulian MY_LOCK(sc); 1052147256Sbrooks ifp = sc->my_ifp; 1053106937Ssam ether_ifdetach(ifp); 1054147256Sbrooks if_free(ifp); 105593746Sjulian my_stop(sc); 105693746Sjulian 105794863Sjulian#if 0 105894863Sjulian bus_generic_detach(dev); 105994863Sjulian device_delete_child(dev, sc->rl_miibus); 106094863Sjulian#endif 106194863Sjulian 106293746Sjulian bus_teardown_intr(dev, sc->my_irq, sc->my_intrhand); 106393746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 106493746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 106594863Sjulian#if 0 106694863Sjulian contigfree(sc->my_cdata.my_rx_buf, MY_RXBUFLEN + 32, M_DEVBUF); 106794863Sjulian#endif 106893746Sjulian free(sc, M_DEVBUF); 106993746Sjulian MY_UNLOCK(sc); 107093746Sjulian splx(s); 107193746Sjulian mtx_destroy(&sc->my_mtx); 107293746Sjulian return (0); 107393746Sjulian} 107493746Sjulian 107593746Sjulian 107693746Sjulian/* 107793746Sjulian * Initialize the transmit descriptors. 107893746Sjulian */ 107993746Sjulianstatic int 108093746Sjulianmy_list_tx_init(struct my_softc * sc) 108193746Sjulian{ 108293746Sjulian struct my_chain_data *cd; 108393746Sjulian struct my_list_data *ld; 108493746Sjulian int i; 108593746Sjulian 108693746Sjulian MY_LOCK(sc); 108793746Sjulian cd = &sc->my_cdata; 108893746Sjulian ld = sc->my_ldata; 108993746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 109093746Sjulian cd->my_tx_chain[i].my_ptr = &ld->my_tx_list[i]; 109193746Sjulian if (i == (MY_TX_LIST_CNT - 1)) 109293746Sjulian cd->my_tx_chain[i].my_nextdesc = &cd->my_tx_chain[0]; 109393746Sjulian else 109493746Sjulian cd->my_tx_chain[i].my_nextdesc = 109593746Sjulian &cd->my_tx_chain[i + 1]; 109693746Sjulian } 109793746Sjulian cd->my_tx_free = &cd->my_tx_chain[0]; 109893746Sjulian cd->my_tx_tail = cd->my_tx_head = NULL; 109993746Sjulian MY_UNLOCK(sc); 110093746Sjulian return (0); 110193746Sjulian} 110293746Sjulian 110393746Sjulian/* 110493746Sjulian * Initialize the RX descriptors and allocate mbufs for them. Note that we 110593746Sjulian * arrange the descriptors in a closed ring, so that the last descriptor 110693746Sjulian * points back to the first. 110793746Sjulian */ 110893746Sjulianstatic int 110993746Sjulianmy_list_rx_init(struct my_softc * sc) 111093746Sjulian{ 111193746Sjulian struct my_chain_data *cd; 111293746Sjulian struct my_list_data *ld; 111393746Sjulian int i; 111493746Sjulian 111593746Sjulian MY_LOCK(sc); 111693746Sjulian cd = &sc->my_cdata; 111793746Sjulian ld = sc->my_ldata; 111893746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 111993746Sjulian cd->my_rx_chain[i].my_ptr = 112093746Sjulian (struct my_desc *) & ld->my_rx_list[i]; 112197641Sjulian if (my_newbuf(sc, &cd->my_rx_chain[i]) == ENOBUFS) { 112297641Sjulian MY_UNLOCK(sc); 112393746Sjulian return (ENOBUFS); 112497641Sjulian } 112593746Sjulian if (i == (MY_RX_LIST_CNT - 1)) { 112693746Sjulian cd->my_rx_chain[i].my_nextdesc = &cd->my_rx_chain[0]; 112793746Sjulian ld->my_rx_list[i].my_next = vtophys(&ld->my_rx_list[0]); 112893746Sjulian } else { 112993746Sjulian cd->my_rx_chain[i].my_nextdesc = 113093746Sjulian &cd->my_rx_chain[i + 1]; 113193746Sjulian ld->my_rx_list[i].my_next = 113293746Sjulian vtophys(&ld->my_rx_list[i + 1]); 113393746Sjulian } 113493746Sjulian } 113593746Sjulian cd->my_rx_head = &cd->my_rx_chain[0]; 113693746Sjulian MY_UNLOCK(sc); 113793746Sjulian return (0); 113893746Sjulian} 113993746Sjulian 114093746Sjulian/* 114193746Sjulian * Initialize an RX descriptor and attach an MBUF cluster. 114293746Sjulian */ 114393746Sjulianstatic int 114493746Sjulianmy_newbuf(struct my_softc * sc, struct my_chain_onefrag * c) 114593746Sjulian{ 114693746Sjulian struct mbuf *m_new = NULL; 114793746Sjulian 114893746Sjulian MY_LOCK(sc); 1149111119Simp MGETHDR(m_new, M_DONTWAIT, MT_DATA); 115093746Sjulian if (m_new == NULL) { 115193746Sjulian printf("my%d: no memory for rx list -- packet dropped!\n", 115293746Sjulian sc->my_unit); 115395939Sjulian MY_UNLOCK(sc); 115493746Sjulian return (ENOBUFS); 115593746Sjulian } 1156111119Simp MCLGET(m_new, M_DONTWAIT); 115793746Sjulian if (!(m_new->m_flags & M_EXT)) { 115893746Sjulian printf("my%d: no memory for rx list -- packet dropped!\n", 115993746Sjulian sc->my_unit); 116093746Sjulian m_freem(m_new); 116195939Sjulian MY_UNLOCK(sc); 116293746Sjulian return (ENOBUFS); 116393746Sjulian } 116493746Sjulian c->my_mbuf = m_new; 116593746Sjulian c->my_ptr->my_data = vtophys(mtod(m_new, caddr_t)); 116693746Sjulian c->my_ptr->my_ctl = (MCLBYTES - 1) << MY_RBSShift; 116793746Sjulian c->my_ptr->my_status = MY_OWNByNIC; 116893746Sjulian MY_UNLOCK(sc); 116993746Sjulian return (0); 117093746Sjulian} 117193746Sjulian 117293746Sjulian/* 117393746Sjulian * A frame has been uploaded: pass the resulting mbuf chain up to the higher 117493746Sjulian * level protocols. 117593746Sjulian */ 117693746Sjulianstatic void 117793746Sjulianmy_rxeof(struct my_softc * sc) 117893746Sjulian{ 117993746Sjulian struct ether_header *eh; 118093746Sjulian struct mbuf *m; 118193746Sjulian struct ifnet *ifp; 118293746Sjulian struct my_chain_onefrag *cur_rx; 118393746Sjulian int total_len = 0; 118493746Sjulian u_int32_t rxstat; 118593746Sjulian 118693746Sjulian MY_LOCK(sc); 1187147256Sbrooks ifp = sc->my_ifp; 118893746Sjulian while (!((rxstat = sc->my_cdata.my_rx_head->my_ptr->my_status) 118993746Sjulian & MY_OWNByNIC)) { 119093746Sjulian cur_rx = sc->my_cdata.my_rx_head; 119193746Sjulian sc->my_cdata.my_rx_head = cur_rx->my_nextdesc; 119293746Sjulian 119393746Sjulian if (rxstat & MY_ES) { /* error summary: give up this rx pkt */ 119493746Sjulian ifp->if_ierrors++; 119593746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 119693746Sjulian continue; 119793746Sjulian } 119893746Sjulian /* No errors; receive the packet. */ 119993746Sjulian total_len = (rxstat & MY_FLNGMASK) >> MY_FLNGShift; 120093746Sjulian total_len -= ETHER_CRC_LEN; 120193746Sjulian 120293746Sjulian if (total_len < MINCLSIZE) { 120393746Sjulian m = m_devget(mtod(cur_rx->my_mbuf, char *), 120493746Sjulian total_len, 0, ifp, NULL); 120593746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 120693746Sjulian if (m == NULL) { 120793746Sjulian ifp->if_ierrors++; 120893746Sjulian continue; 120993746Sjulian } 121093746Sjulian } else { 121193746Sjulian m = cur_rx->my_mbuf; 121293746Sjulian /* 121393746Sjulian * Try to conjure up a new mbuf cluster. If that 121493746Sjulian * fails, it means we have an out of memory condition 121593746Sjulian * and should leave the buffer in place and continue. 121693746Sjulian * This will result in a lost packet, but there's 121793746Sjulian * little else we can do in this situation. 121893746Sjulian */ 121993746Sjulian if (my_newbuf(sc, cur_rx) == ENOBUFS) { 122093746Sjulian ifp->if_ierrors++; 122193746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 122293746Sjulian continue; 122393746Sjulian } 122493746Sjulian m->m_pkthdr.rcvif = ifp; 122593746Sjulian m->m_pkthdr.len = m->m_len = total_len; 122693746Sjulian } 122793746Sjulian ifp->if_ipackets++; 122893746Sjulian eh = mtod(m, struct ether_header *); 122993746Sjulian#if NBPFILTER > 0 123093746Sjulian /* 123193746Sjulian * Handle BPF listeners. Let the BPF user see the packet, but 123293746Sjulian * don't pass it up to the ether_input() layer unless it's a 123393746Sjulian * broadcast packet, multicast packet, matches our ethernet 123493746Sjulian * address or the interface is in promiscuous mode. 123593746Sjulian */ 123693746Sjulian if (ifp->if_bpf) { 1237106937Ssam BPF_MTAP(ifp, m); 123893746Sjulian if (ifp->if_flags & IFF_PROMISC && 1239147256Sbrooks (bcmp(eh->ether_dhost, IFP2ENADDR(sc->my_ifp), 124093746Sjulian ETHER_ADDR_LEN) && 124193746Sjulian (eh->ether_dhost[0] & 1) == 0)) { 124293746Sjulian m_freem(m); 124393746Sjulian continue; 124493746Sjulian } 124593746Sjulian } 124693746Sjulian#endif 1247122689Ssam MY_UNLOCK(sc); 1248106937Ssam (*ifp->if_input)(ifp, m); 1249122689Ssam MY_LOCK(sc); 125093746Sjulian } 125193746Sjulian MY_UNLOCK(sc); 125293746Sjulian return; 125393746Sjulian} 125493746Sjulian 125593746Sjulian 125693746Sjulian/* 125793746Sjulian * A frame was downloaded to the chip. It's safe for us to clean up the list 125893746Sjulian * buffers. 125993746Sjulian */ 126093746Sjulianstatic void 126193746Sjulianmy_txeof(struct my_softc * sc) 126293746Sjulian{ 126393746Sjulian struct my_chain *cur_tx; 126493746Sjulian struct ifnet *ifp; 126593746Sjulian 126693746Sjulian MY_LOCK(sc); 1267147256Sbrooks ifp = sc->my_ifp; 126893746Sjulian /* Clear the timeout timer. */ 126993746Sjulian ifp->if_timer = 0; 127095939Sjulian if (sc->my_cdata.my_tx_head == NULL) { 127195939Sjulian MY_UNLOCK(sc); 127293746Sjulian return; 127395939Sjulian } 127493746Sjulian /* 127593746Sjulian * Go through our tx list and free mbufs for those frames that have 127693746Sjulian * been transmitted. 127793746Sjulian */ 127893746Sjulian while (sc->my_cdata.my_tx_head->my_mbuf != NULL) { 127993746Sjulian u_int32_t txstat; 128093746Sjulian 128193746Sjulian cur_tx = sc->my_cdata.my_tx_head; 128293746Sjulian txstat = MY_TXSTATUS(cur_tx); 128393746Sjulian if ((txstat & MY_OWNByNIC) || txstat == MY_UNSENT) 128493746Sjulian break; 128593746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced)) { 128693746Sjulian if (txstat & MY_TXERR) { 128793746Sjulian ifp->if_oerrors++; 128893746Sjulian if (txstat & MY_EC) /* excessive collision */ 128993746Sjulian ifp->if_collisions++; 129093746Sjulian if (txstat & MY_LC) /* late collision */ 129193746Sjulian ifp->if_collisions++; 129293746Sjulian } 129393746Sjulian ifp->if_collisions += (txstat & MY_NCRMASK) >> 129493746Sjulian MY_NCRShift; 129593746Sjulian } 129693746Sjulian ifp->if_opackets++; 129793746Sjulian m_freem(cur_tx->my_mbuf); 129893746Sjulian cur_tx->my_mbuf = NULL; 129993746Sjulian if (sc->my_cdata.my_tx_head == sc->my_cdata.my_tx_tail) { 130093746Sjulian sc->my_cdata.my_tx_head = NULL; 130193746Sjulian sc->my_cdata.my_tx_tail = NULL; 130293746Sjulian break; 130393746Sjulian } 130493746Sjulian sc->my_cdata.my_tx_head = cur_tx->my_nextdesc; 130593746Sjulian } 130693746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced) { 130793746Sjulian ifp->if_collisions += (CSR_READ_4(sc, MY_TSR) & MY_NCRMask); 130893746Sjulian } 130993746Sjulian MY_UNLOCK(sc); 131093746Sjulian return; 131193746Sjulian} 131293746Sjulian 131393746Sjulian/* 131493746Sjulian * TX 'end of channel' interrupt handler. 131593746Sjulian */ 131693746Sjulianstatic void 131793746Sjulianmy_txeoc(struct my_softc * sc) 131893746Sjulian{ 131993746Sjulian struct ifnet *ifp; 132093746Sjulian 132193746Sjulian MY_LOCK(sc); 1322147256Sbrooks ifp = sc->my_ifp; 132393746Sjulian ifp->if_timer = 0; 132493746Sjulian if (sc->my_cdata.my_tx_head == NULL) { 1325148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 132693746Sjulian sc->my_cdata.my_tx_tail = NULL; 132793746Sjulian if (sc->my_want_auto) 132893746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 132993746Sjulian } else { 133093746Sjulian if (MY_TXOWN(sc->my_cdata.my_tx_head) == MY_UNSENT) { 133193746Sjulian MY_TXOWN(sc->my_cdata.my_tx_head) = MY_OWNByNIC; 133293746Sjulian ifp->if_timer = 5; 133393746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); 133493746Sjulian } 133593746Sjulian } 133693746Sjulian MY_UNLOCK(sc); 133793746Sjulian return; 133893746Sjulian} 133993746Sjulian 134093746Sjulianstatic void 134193746Sjulianmy_intr(void *arg) 134293746Sjulian{ 134393746Sjulian struct my_softc *sc; 134493746Sjulian struct ifnet *ifp; 134593746Sjulian u_int32_t status; 134693746Sjulian 134793746Sjulian sc = arg; 134893746Sjulian MY_LOCK(sc); 1349147256Sbrooks ifp = sc->my_ifp; 135093746Sjulian if (!(ifp->if_flags & IFF_UP)) { 135193746Sjulian MY_UNLOCK(sc); 135293746Sjulian return; 135393746Sjulian } 135493746Sjulian /* Disable interrupts. */ 135593746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 135693746Sjulian 135793746Sjulian for (;;) { 135893746Sjulian status = CSR_READ_4(sc, MY_ISR); 135993746Sjulian status &= MY_INTRS; 136093746Sjulian if (status) 136193746Sjulian CSR_WRITE_4(sc, MY_ISR, status); 136293746Sjulian else 136393746Sjulian break; 136493746Sjulian 136593746Sjulian if (status & MY_RI) /* receive interrupt */ 136693746Sjulian my_rxeof(sc); 136793746Sjulian 136893746Sjulian if ((status & MY_RBU) || (status & MY_RxErr)) { 136993746Sjulian /* rx buffer unavailable or rx error */ 137093746Sjulian ifp->if_ierrors++; 137193746Sjulian#ifdef foo 137293746Sjulian my_stop(sc); 137393746Sjulian my_reset(sc); 137493746Sjulian my_init(sc); 137593746Sjulian#endif 137693746Sjulian } 137793746Sjulian if (status & MY_TI) /* tx interrupt */ 137893746Sjulian my_txeof(sc); 137993746Sjulian if (status & MY_ETI) /* tx early interrupt */ 138093746Sjulian my_txeof(sc); 138193746Sjulian if (status & MY_TBU) /* tx buffer unavailable */ 138293746Sjulian my_txeoc(sc); 138394863Sjulian 138494863Sjulian#if 0 /* 90/1/18 delete */ 138594863Sjulian if (status & MY_FBE) { 138694863Sjulian my_reset(sc); 138794863Sjulian my_init(sc); 138894863Sjulian } 138994863Sjulian#endif 139094863Sjulian 139193746Sjulian } 139293746Sjulian 139393746Sjulian /* Re-enable interrupts. */ 139493746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 139593746Sjulian if (ifp->if_snd.ifq_head != NULL) 139693746Sjulian my_start(ifp); 139793746Sjulian MY_UNLOCK(sc); 139893746Sjulian return; 139993746Sjulian} 140093746Sjulian 140193746Sjulian/* 140293746Sjulian * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data 140393746Sjulian * pointers to the fragment pointers. 140493746Sjulian */ 140593746Sjulianstatic int 140693746Sjulianmy_encap(struct my_softc * sc, struct my_chain * c, struct mbuf * m_head) 140793746Sjulian{ 140893746Sjulian struct my_desc *f = NULL; 140993746Sjulian int total_len; 141093746Sjulian struct mbuf *m, *m_new = NULL; 141193746Sjulian 141293746Sjulian MY_LOCK(sc); 141393746Sjulian /* calculate the total tx pkt length */ 141493746Sjulian total_len = 0; 141593746Sjulian for (m = m_head; m != NULL; m = m->m_next) 141693746Sjulian total_len += m->m_len; 141793746Sjulian /* 141893746Sjulian * Start packing the mbufs in this chain into the fragment pointers. 141993746Sjulian * Stop when we run out of fragments or hit the end of the mbuf 142093746Sjulian * chain. 142193746Sjulian */ 142293746Sjulian m = m_head; 1423111119Simp MGETHDR(m_new, M_DONTWAIT, MT_DATA); 142493746Sjulian if (m_new == NULL) { 142593746Sjulian printf("my%d: no memory for tx list", sc->my_unit); 142695939Sjulian MY_UNLOCK(sc); 142793746Sjulian return (1); 142893746Sjulian } 142993746Sjulian if (m_head->m_pkthdr.len > MHLEN) { 1430111119Simp MCLGET(m_new, M_DONTWAIT); 143193746Sjulian if (!(m_new->m_flags & M_EXT)) { 143293746Sjulian m_freem(m_new); 143393746Sjulian printf("my%d: no memory for tx list", sc->my_unit); 143495939Sjulian MY_UNLOCK(sc); 143593746Sjulian return (1); 143693746Sjulian } 143793746Sjulian } 143893746Sjulian m_copydata(m_head, 0, m_head->m_pkthdr.len, mtod(m_new, caddr_t)); 143993746Sjulian m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len; 144093746Sjulian m_freem(m_head); 144193746Sjulian m_head = m_new; 144293746Sjulian f = &c->my_ptr->my_frag[0]; 144393746Sjulian f->my_status = 0; 144493746Sjulian f->my_data = vtophys(mtod(m_new, caddr_t)); 144593746Sjulian total_len = m_new->m_len; 144693746Sjulian f->my_ctl = MY_TXFD | MY_TXLD | MY_CRCEnable | MY_PADEnable; 144793746Sjulian f->my_ctl |= total_len << MY_PKTShift; /* pkt size */ 144893746Sjulian f->my_ctl |= total_len; /* buffer size */ 144994904Sjulian /* 89/12/29 add, for mtd891 *//* [ 89? ] */ 145093746Sjulian if (sc->my_info->my_did == MTD891ID) 145193746Sjulian f->my_ctl |= MY_ETIControl | MY_RetryTxLC; 145293746Sjulian c->my_mbuf = m_head; 145393746Sjulian c->my_lastdesc = 0; 145493746Sjulian MY_TXNEXT(c) = vtophys(&c->my_nextdesc->my_ptr->my_frag[0]); 145593746Sjulian MY_UNLOCK(sc); 145693746Sjulian return (0); 145793746Sjulian} 145893746Sjulian 145993746Sjulian/* 146093746Sjulian * Main transmit routine. To avoid having to do mbuf copies, we put pointers 146193746Sjulian * to the mbuf data regions directly in the transmit lists. We also save a 146293746Sjulian * copy of the pointers since the transmit list fragment pointers are 146393746Sjulian * physical addresses. 146493746Sjulian */ 146593746Sjulianstatic void 146693746Sjulianmy_start(struct ifnet * ifp) 146793746Sjulian{ 146893746Sjulian struct my_softc *sc; 146993746Sjulian struct mbuf *m_head = NULL; 147093746Sjulian struct my_chain *cur_tx = NULL, *start_tx; 147193746Sjulian 147293746Sjulian sc = ifp->if_softc; 147393746Sjulian MY_LOCK(sc); 147493746Sjulian if (sc->my_autoneg) { 147593746Sjulian sc->my_tx_pend = 1; 147693746Sjulian MY_UNLOCK(sc); 147793746Sjulian return; 147893746Sjulian } 147993746Sjulian /* 148093746Sjulian * Check for an available queue slot. If there are none, punt. 148193746Sjulian */ 148293746Sjulian if (sc->my_cdata.my_tx_free->my_mbuf != NULL) { 1483148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 148493746Sjulian MY_UNLOCK(sc); 148593746Sjulian return; 148693746Sjulian } 148793746Sjulian start_tx = sc->my_cdata.my_tx_free; 148893746Sjulian while (sc->my_cdata.my_tx_free->my_mbuf == NULL) { 148993746Sjulian IF_DEQUEUE(&ifp->if_snd, m_head); 149093746Sjulian if (m_head == NULL) 149193746Sjulian break; 149293746Sjulian 149393746Sjulian /* Pick a descriptor off the free list. */ 149493746Sjulian cur_tx = sc->my_cdata.my_tx_free; 149593746Sjulian sc->my_cdata.my_tx_free = cur_tx->my_nextdesc; 149693746Sjulian 149793746Sjulian /* Pack the data into the descriptor. */ 149893746Sjulian my_encap(sc, cur_tx, m_head); 149993746Sjulian 150093746Sjulian if (cur_tx != start_tx) 150193746Sjulian MY_TXOWN(cur_tx) = MY_OWNByNIC; 150293746Sjulian#if NBPFILTER > 0 150393746Sjulian /* 150493746Sjulian * If there's a BPF listener, bounce a copy of this frame to 150593746Sjulian * him. 150693746Sjulian */ 1507106937Ssam BPF_MTAP(ifp, cur_tx->my_mbuf); 150893746Sjulian#endif 150993746Sjulian } 151093746Sjulian /* 151193746Sjulian * If there are no packets queued, bail. 151293746Sjulian */ 151393746Sjulian if (cur_tx == NULL) { 151493746Sjulian MY_UNLOCK(sc); 151593746Sjulian return; 151693746Sjulian } 151793746Sjulian /* 151893746Sjulian * Place the request for the upload interrupt in the last descriptor 151993746Sjulian * in the chain. This way, if we're chaining several packets at once, 152093746Sjulian * we'll only get an interupt once for the whole chain rather than 152193746Sjulian * once for each packet. 152293746Sjulian */ 152393746Sjulian MY_TXCTL(cur_tx) |= MY_TXIC; 152493746Sjulian cur_tx->my_ptr->my_frag[0].my_ctl |= MY_TXIC; 152593746Sjulian sc->my_cdata.my_tx_tail = cur_tx; 152693746Sjulian if (sc->my_cdata.my_tx_head == NULL) 152793746Sjulian sc->my_cdata.my_tx_head = start_tx; 152893746Sjulian MY_TXOWN(start_tx) = MY_OWNByNIC; 152993746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); /* tx polling demand */ 153093746Sjulian 153193746Sjulian /* 153293746Sjulian * Set a timeout in case the chip goes out to lunch. 153393746Sjulian */ 153493746Sjulian ifp->if_timer = 5; 153593746Sjulian MY_UNLOCK(sc); 153693746Sjulian return; 153793746Sjulian} 153893746Sjulian 153993746Sjulianstatic void 154093746Sjulianmy_init(void *xsc) 154193746Sjulian{ 154293746Sjulian struct my_softc *sc = xsc; 1543147256Sbrooks struct ifnet *ifp = sc->my_ifp; 154493746Sjulian int s; 154593746Sjulian u_int16_t phy_bmcr = 0; 154693746Sjulian 154793746Sjulian MY_LOCK(sc); 154893746Sjulian if (sc->my_autoneg) { 154993746Sjulian MY_UNLOCK(sc); 155093746Sjulian return; 155193746Sjulian } 155293746Sjulian s = splimp(); 155393746Sjulian if (sc->my_pinfo != NULL) 155493746Sjulian phy_bmcr = my_phy_readreg(sc, PHY_BMCR); 155593746Sjulian /* 155693746Sjulian * Cancel pending I/O and free all RX/TX buffers. 155793746Sjulian */ 155893746Sjulian my_stop(sc); 155993746Sjulian my_reset(sc); 156093746Sjulian 156193746Sjulian /* 156293746Sjulian * Set cache alignment and burst length. 156393746Sjulian */ 156494863Sjulian#if 0 /* 89/9/1 modify, */ 156594863Sjulian CSR_WRITE_4(sc, MY_BCR, MY_RPBLE512); 156694863Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF); 156794863Sjulian#endif 156893746Sjulian CSR_WRITE_4(sc, MY_BCR, MY_PBL8); 156993746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF | MY_RBLEN | MY_RPBLE512); 157093746Sjulian /* 157193746Sjulian * 89/12/29 add, for mtd891, 157293746Sjulian */ 157393746Sjulian if (sc->my_info->my_did == MTD891ID) { 157493746Sjulian MY_SETBIT(sc, MY_BCR, MY_PROG); 157593746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_Enhanced); 157693746Sjulian } 157793746Sjulian my_setcfg(sc, phy_bmcr); 157893746Sjulian /* Init circular RX list. */ 157993746Sjulian if (my_list_rx_init(sc) == ENOBUFS) { 158093746Sjulian printf("my%d: init failed: no memory for rx buffers\n", 158193746Sjulian sc->my_unit); 158293746Sjulian my_stop(sc); 158393746Sjulian (void)splx(s); 158493746Sjulian MY_UNLOCK(sc); 158593746Sjulian return; 158693746Sjulian } 158793746Sjulian /* Init TX descriptors. */ 158893746Sjulian my_list_tx_init(sc); 158993746Sjulian 159093746Sjulian /* If we want promiscuous mode, set the allframes bit. */ 159193746Sjulian if (ifp->if_flags & IFF_PROMISC) 159293746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PROM); 159393746Sjulian else 159493746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PROM); 159593746Sjulian 159693746Sjulian /* 159793746Sjulian * Set capture broadcast bit to capture broadcast frames. 159893746Sjulian */ 159993746Sjulian if (ifp->if_flags & IFF_BROADCAST) 160093746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_AB); 160193746Sjulian else 160293746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_AB); 160393746Sjulian 160493746Sjulian /* 160593746Sjulian * Program the multicast filter, if necessary. 160693746Sjulian */ 160793746Sjulian my_setmulti(sc); 160893746Sjulian 160993746Sjulian /* 161093746Sjulian * Load the address of the RX list. 161193746Sjulian */ 161293746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_RE); 161393746Sjulian CSR_WRITE_4(sc, MY_RXLBA, vtophys(&sc->my_ldata->my_rx_list[0])); 161493746Sjulian 161593746Sjulian /* 161693746Sjulian * Enable interrupts. 161793746Sjulian */ 161893746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 161993746Sjulian CSR_WRITE_4(sc, MY_ISR, 0xFFFFFFFF); 162093746Sjulian 162193746Sjulian /* Enable receiver and transmitter. */ 162293746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_RE); 162393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_TE); 162493746Sjulian CSR_WRITE_4(sc, MY_TXLBA, vtophys(&sc->my_ldata->my_tx_list[0])); 162593746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE); 162693746Sjulian 162793746Sjulian /* Restore state of BMCR */ 162893746Sjulian if (sc->my_pinfo != NULL) 162993746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_bmcr); 1630148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 1631148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 163293746Sjulian (void)splx(s); 163393746Sjulian MY_UNLOCK(sc); 163493746Sjulian return; 163593746Sjulian} 163693746Sjulian 163793746Sjulian/* 163893746Sjulian * Set media options. 163993746Sjulian */ 164093746Sjulian 164193746Sjulianstatic int 164293746Sjulianmy_ifmedia_upd(struct ifnet * ifp) 164393746Sjulian{ 164493746Sjulian struct my_softc *sc; 164593746Sjulian struct ifmedia *ifm; 164693746Sjulian 164793746Sjulian sc = ifp->if_softc; 164893746Sjulian MY_LOCK(sc); 164993746Sjulian ifm = &sc->ifmedia; 165093746Sjulian if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) { 165193746Sjulian MY_UNLOCK(sc); 165293746Sjulian return (EINVAL); 165393746Sjulian } 165493746Sjulian if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) 165593746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 165693746Sjulian else 165793746Sjulian my_setmode_mii(sc, ifm->ifm_media); 165893746Sjulian MY_UNLOCK(sc); 165993746Sjulian return (0); 166093746Sjulian} 166193746Sjulian 166293746Sjulian/* 166393746Sjulian * Report current media status. 166493746Sjulian */ 166593746Sjulian 166693746Sjulianstatic void 166793746Sjulianmy_ifmedia_sts(struct ifnet * ifp, struct ifmediareq * ifmr) 166893746Sjulian{ 166993746Sjulian struct my_softc *sc; 167093746Sjulian u_int16_t advert = 0, ability = 0; 167193746Sjulian 167293746Sjulian sc = ifp->if_softc; 167393746Sjulian MY_LOCK(sc); 167493746Sjulian ifmr->ifm_active = IFM_ETHER; 167593746Sjulian if (!(my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_AUTONEGENBL)) { 167694863Sjulian#if 0 /* this version did not support 1000M, */ 167794863Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_1000) 167894863Sjulian ifmr->ifm_active = IFM_ETHER | IFM_1000TX; 167994863Sjulian#endif 168093746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_SPEEDSEL) 168193746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX; 168293746Sjulian else 168393746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T; 168493746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_DUPLEX) 168593746Sjulian ifmr->ifm_active |= IFM_FDX; 168693746Sjulian else 168793746Sjulian ifmr->ifm_active |= IFM_HDX; 168893746Sjulian 168993746Sjulian MY_UNLOCK(sc); 169093746Sjulian return; 169193746Sjulian } 169293746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 169393746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 169493746Sjulian 169594863Sjulian#if 0 /* this version did not support 1000M, */ 169693746Sjulian if (sc->my_pinfo->my_vid = MarvellPHYID0) { 169793746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 169893746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 169993746Sjulian advert = 0; 170093746Sjulian ability = 0; 170195673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_FDX; 170293746Sjulian } else if (ability & PHY_1000SR_1000BTXHALF) { 170393746Sjulian advert = 0; 170493746Sjulian ability = 0; 170595673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_HDX; 170693746Sjulian } 170793746Sjulian } 170893746Sjulian#endif 170993746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) 171093746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_T4; 171193746Sjulian else if (advert & PHY_ANAR_100BTXFULL && ability & PHY_ANAR_100BTXFULL) 171293746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_FDX; 171393746Sjulian else if (advert & PHY_ANAR_100BTXHALF && ability & PHY_ANAR_100BTXHALF) 171493746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_HDX; 171593746Sjulian else if (advert & PHY_ANAR_10BTFULL && ability & PHY_ANAR_10BTFULL) 171693746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_FDX; 171793746Sjulian else if (advert & PHY_ANAR_10BTHALF && ability & PHY_ANAR_10BTHALF) 171893746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_HDX; 171993746Sjulian MY_UNLOCK(sc); 172093746Sjulian return; 172193746Sjulian} 172293746Sjulian 172393746Sjulianstatic int 172493746Sjulianmy_ioctl(struct ifnet * ifp, u_long command, caddr_t data) 172593746Sjulian{ 172693746Sjulian struct my_softc *sc = ifp->if_softc; 172793746Sjulian struct ifreq *ifr = (struct ifreq *) data; 172893746Sjulian int s, error = 0; 172993746Sjulian 173093746Sjulian s = splimp(); 173193746Sjulian MY_LOCK(sc); 173293746Sjulian switch (command) { 173393746Sjulian case SIOCSIFFLAGS: 173493746Sjulian if (ifp->if_flags & IFF_UP) 173593746Sjulian my_init(sc); 1736148887Srwatson else if (ifp->if_drv_flags & IFF_DRV_RUNNING) 173793746Sjulian my_stop(sc); 173893746Sjulian error = 0; 173993746Sjulian break; 174093746Sjulian case SIOCADDMULTI: 174193746Sjulian case SIOCDELMULTI: 174293746Sjulian my_setmulti(sc); 174393746Sjulian error = 0; 174493746Sjulian break; 174593746Sjulian case SIOCGIFMEDIA: 174693746Sjulian case SIOCSIFMEDIA: 174793746Sjulian error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command); 174893746Sjulian break; 174993746Sjulian default: 1750106937Ssam error = ether_ioctl(ifp, command, data); 175193746Sjulian break; 175293746Sjulian } 175393746Sjulian MY_UNLOCK(sc); 175493746Sjulian (void)splx(s); 175593746Sjulian return (error); 175693746Sjulian} 175793746Sjulian 175893746Sjulianstatic void 175993746Sjulianmy_watchdog(struct ifnet * ifp) 176093746Sjulian{ 176193746Sjulian struct my_softc *sc; 176293746Sjulian 176393746Sjulian sc = ifp->if_softc; 176493746Sjulian MY_LOCK(sc); 176593746Sjulian if (sc->my_autoneg) { 176693746Sjulian my_autoneg_mii(sc, MY_FLAG_DELAYTIMEO, 1); 176793746Sjulian MY_UNLOCK(sc); 176893746Sjulian return; 176993746Sjulian } 177093746Sjulian ifp->if_oerrors++; 177193746Sjulian printf("my%d: watchdog timeout\n", sc->my_unit); 177293746Sjulian if (!(my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT)) 177393746Sjulian printf("my%d: no carrier - transceiver cable problem?\n", 177493746Sjulian sc->my_unit); 177593746Sjulian my_stop(sc); 177693746Sjulian my_reset(sc); 177793746Sjulian my_init(sc); 177893746Sjulian if (ifp->if_snd.ifq_head != NULL) 177993746Sjulian my_start(ifp); 178093746Sjulian MY_LOCK(sc); 178193746Sjulian return; 178293746Sjulian} 178393746Sjulian 178493746Sjulian 178593746Sjulian/* 178693746Sjulian * Stop the adapter and free any mbufs allocated to the RX and TX lists. 178793746Sjulian */ 178893746Sjulianstatic void 178993746Sjulianmy_stop(struct my_softc * sc) 179093746Sjulian{ 179193746Sjulian register int i; 179293746Sjulian struct ifnet *ifp; 179393746Sjulian 179493746Sjulian MY_LOCK(sc); 1795147256Sbrooks ifp = sc->my_ifp; 179693746Sjulian ifp->if_timer = 0; 179793746Sjulian 179893746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_RE | MY_TE)); 179993746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 180093746Sjulian CSR_WRITE_4(sc, MY_TXLBA, 0x00000000); 180193746Sjulian CSR_WRITE_4(sc, MY_RXLBA, 0x00000000); 180293746Sjulian 180393746Sjulian /* 180493746Sjulian * Free data in the RX lists. 180593746Sjulian */ 180693746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 180793746Sjulian if (sc->my_cdata.my_rx_chain[i].my_mbuf != NULL) { 180893746Sjulian m_freem(sc->my_cdata.my_rx_chain[i].my_mbuf); 180993746Sjulian sc->my_cdata.my_rx_chain[i].my_mbuf = NULL; 181093746Sjulian } 181193746Sjulian } 181293746Sjulian bzero((char *)&sc->my_ldata->my_rx_list, 181393746Sjulian sizeof(sc->my_ldata->my_rx_list)); 181493746Sjulian /* 181593746Sjulian * Free the TX list buffers. 181693746Sjulian */ 181793746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 181893746Sjulian if (sc->my_cdata.my_tx_chain[i].my_mbuf != NULL) { 181993746Sjulian m_freem(sc->my_cdata.my_tx_chain[i].my_mbuf); 182093746Sjulian sc->my_cdata.my_tx_chain[i].my_mbuf = NULL; 182193746Sjulian } 182293746Sjulian } 182393746Sjulian bzero((char *)&sc->my_ldata->my_tx_list, 182493746Sjulian sizeof(sc->my_ldata->my_tx_list)); 1825148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 182693746Sjulian MY_UNLOCK(sc); 182793746Sjulian return; 182893746Sjulian} 182993746Sjulian 183093746Sjulian/* 183193746Sjulian * Stop all chip I/O so that the kernel's probe routines don't get confused 183293746Sjulian * by errant DMAs when rebooting. 183393746Sjulian */ 183493746Sjulianstatic void 183593746Sjulianmy_shutdown(device_t dev) 183693746Sjulian{ 183793746Sjulian struct my_softc *sc; 183893746Sjulian 183993746Sjulian sc = device_get_softc(dev); 184093746Sjulian my_stop(sc); 184193746Sjulian return; 184293746Sjulian} 1843