if_my.c revision 147256
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 147256 2005-06-10 16:49:24Z brooks $"); 32113038Sobrien 3393746Sjulian#include <sys/param.h> 3493746Sjulian#include <sys/systm.h> 3593746Sjulian#include <sys/sockio.h> 3693746Sjulian#include <sys/mbuf.h> 3793746Sjulian#include <sys/malloc.h> 3893746Sjulian#include <sys/kernel.h> 3993746Sjulian#include <sys/socket.h> 4093746Sjulian#include <sys/queue.h> 4193746Sjulian#include <sys/types.h> 4293746Sjulian#include <sys/bus.h> 4393746Sjulian#include <sys/module.h> 4495807Sjulian#include <sys/lock.h> 4595807Sjulian#include <sys/mutex.h> 4693746Sjulian 4793746Sjulian#define NBPFILTER 1 4893746Sjulian 4993746Sjulian#include <net/if.h> 5093746Sjulian#include <net/if_arp.h> 5193746Sjulian#include <net/ethernet.h> 5293746Sjulian#include <net/if_media.h> 53147256Sbrooks#include <net/if_types.h> 5493746Sjulian#include <net/if_dl.h> 5593746Sjulian#include <net/bpf.h> 5693746Sjulian 5793746Sjulian#include <vm/vm.h> /* for vtophys */ 5893746Sjulian#include <vm/pmap.h> /* for vtophys */ 5993746Sjulian#include <machine/clock.h> /* for DELAY */ 6093746Sjulian#include <machine/bus.h> 6193746Sjulian#include <machine/resource.h> 6293746Sjulian#include <sys/bus.h> 6393746Sjulian#include <sys/rman.h> 6493746Sjulian 65119285Simp#include <dev/pci/pcireg.h> 66119285Simp#include <dev/pci/pcivar.h> 6793746Sjulian 6893746Sjulian#include <dev/mii/mii.h> 6993746Sjulian#include <dev/mii/miivar.h> 7093746Sjulian 7193746Sjulian#include "miibus_if.h" 7293746Sjulian 7393746Sjulian/* 7493746Sjulian * #define MY_USEIOSPACE 7593746Sjulian */ 7693746Sjulian 7793746Sjulianstatic int MY_USEIOSPACE = 1; 7893746Sjulian 7993746Sjulian#if (MY_USEIOSPACE) 8094904Sjulian#define MY_RES SYS_RES_IOPORT 8194904Sjulian#define MY_RID MY_PCI_LOIO 8293746Sjulian#else 8394904Sjulian#define MY_RES SYS_RES_MEMORY 8494904Sjulian#define MY_RID MY_PCI_LOMEM 8593746Sjulian#endif 8693746Sjulian 8793746Sjulian 8893746Sjulian#include <dev/my/if_myreg.h> 8993746Sjulian 9093746Sjulian#ifndef lint 9193746Sjulianstatic const char rcsid[] = 92119285Simp"$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 */ 34993746Sjulian TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 35093746Sjulian if (ifma->ifma_addr->sa_family != AF_LINK) 35193746Sjulian continue; 352130270Snaddy h = ~ether_crc32_be(LLADDR((struct sockaddr_dl *) 353130270Snaddy ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; 35493746Sjulian if (h < 32) 35593746Sjulian hashes[0] |= (1 << h); 35693746Sjulian else 35793746Sjulian hashes[1] |= (1 << (h - 32)); 35893746Sjulian mcnt++; 35993746Sjulian } 36093746Sjulian 36193746Sjulian if (mcnt) 36293746Sjulian rxfilt |= MY_AM; 36393746Sjulian else 36493746Sjulian rxfilt &= ~MY_AM; 36593746Sjulian CSR_WRITE_4(sc, MY_MAR0, hashes[0]); 36693746Sjulian CSR_WRITE_4(sc, MY_MAR1, hashes[1]); 36793746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 36893746Sjulian MY_UNLOCK(sc); 36993746Sjulian return; 37093746Sjulian} 37193746Sjulian 37293746Sjulian/* 37393746Sjulian * Initiate an autonegotiation session. 37493746Sjulian */ 37593746Sjulianstatic void 37693746Sjulianmy_autoneg_xmit(struct my_softc * sc) 37793746Sjulian{ 37893746Sjulian u_int16_t phy_sts = 0; 37993746Sjulian 38093746Sjulian MY_LOCK(sc); 38193746Sjulian 38293746Sjulian my_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET); 38393746Sjulian DELAY(500); 38493746Sjulian while (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_RESET); 38593746Sjulian 38693746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMCR); 38793746Sjulian phy_sts |= PHY_BMCR_AUTONEGENBL | PHY_BMCR_AUTONEGRSTR; 38893746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_sts); 38993746Sjulian 39093746Sjulian MY_UNLOCK(sc); 39193746Sjulian return; 39293746Sjulian} 39393746Sjulian 39493746Sjulian 39593746Sjulian/* 39693746Sjulian * Invoke autonegotiation on a PHY. 39793746Sjulian */ 39893746Sjulianstatic void 39993746Sjulianmy_autoneg_mii(struct my_softc * sc, int flag, int verbose) 40093746Sjulian{ 40193746Sjulian u_int16_t phy_sts = 0, media, advert, ability; 40293746Sjulian u_int16_t ability2 = 0; 40393746Sjulian struct ifnet *ifp; 40493746Sjulian struct ifmedia *ifm; 40593746Sjulian 40693746Sjulian MY_LOCK(sc); 40793746Sjulian 40893746Sjulian ifm = &sc->ifmedia; 409147256Sbrooks ifp = sc->my_ifp; 41093746Sjulian 41193746Sjulian ifm->ifm_media = IFM_ETHER | IFM_AUTO; 41293746Sjulian 41393746Sjulian#ifndef FORCE_AUTONEG_TFOUR 41493746Sjulian /* 41593746Sjulian * First, see if autoneg is supported. If not, there's no point in 41693746Sjulian * continuing. 41793746Sjulian */ 41893746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 41993746Sjulian if (!(phy_sts & PHY_BMSR_CANAUTONEG)) { 42093746Sjulian if (verbose) 42193746Sjulian printf("my%d: autonegotiation not supported\n", 42293746Sjulian sc->my_unit); 42393746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 42493746Sjulian MY_UNLOCK(sc); 42593746Sjulian return; 42693746Sjulian } 42793746Sjulian#endif 42893746Sjulian switch (flag) { 42993746Sjulian case MY_FLAG_FORCEDELAY: 43093746Sjulian /* 43193746Sjulian * XXX Never use this option anywhere but in the probe 43293746Sjulian * routine: making the kernel stop dead in its tracks for 43393746Sjulian * three whole seconds after we've gone multi-user is really 43493746Sjulian * bad manners. 43593746Sjulian */ 43693746Sjulian my_autoneg_xmit(sc); 43793746Sjulian DELAY(5000000); 43893746Sjulian break; 43993746Sjulian case MY_FLAG_SCHEDDELAY: 44093746Sjulian /* 44193746Sjulian * Wait for the transmitter to go idle before starting an 44293746Sjulian * autoneg session, otherwise my_start() may clobber our 44393746Sjulian * timeout, and we don't want to allow transmission during an 44493746Sjulian * autoneg session since that can screw it up. 44593746Sjulian */ 44693746Sjulian if (sc->my_cdata.my_tx_head != NULL) { 44793746Sjulian sc->my_want_auto = 1; 44893746Sjulian MY_UNLOCK(sc); 44993746Sjulian return; 45093746Sjulian } 45193746Sjulian my_autoneg_xmit(sc); 45293746Sjulian ifp->if_timer = 5; 45393746Sjulian sc->my_autoneg = 1; 45493746Sjulian sc->my_want_auto = 0; 45593746Sjulian MY_UNLOCK(sc); 45693746Sjulian return; 45793746Sjulian case MY_FLAG_DELAYTIMEO: 45893746Sjulian ifp->if_timer = 0; 45993746Sjulian sc->my_autoneg = 0; 46093746Sjulian break; 46193746Sjulian default: 46293746Sjulian printf("my%d: invalid autoneg flag: %d\n", sc->my_unit, flag); 46393746Sjulian MY_UNLOCK(sc); 46493746Sjulian return; 46593746Sjulian } 46693746Sjulian 46793746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) { 46893746Sjulian if (verbose) 46993746Sjulian printf("my%d: autoneg complete, ", sc->my_unit); 47093746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 47193746Sjulian } else { 47293746Sjulian if (verbose) 47393746Sjulian printf("my%d: autoneg not complete, ", sc->my_unit); 47493746Sjulian } 47593746Sjulian 47693746Sjulian media = my_phy_readreg(sc, PHY_BMCR); 47793746Sjulian 47893746Sjulian /* Link is good. Report modes and set duplex mode. */ 47993746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT) { 48093746Sjulian if (verbose) 48193746Sjulian printf("my%d: link status good. ", sc->my_unit); 48293746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 48393746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 48493746Sjulian if ((sc->my_pinfo->my_vid == MarvellPHYID0) || 48593746Sjulian (sc->my_pinfo->my_vid == LevelOnePHYID0)) { 48693746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 48793746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 48893746Sjulian advert = 0; 48993746Sjulian ability = 0; 49093746Sjulian /* 49193746Sjulian * this version did not support 1000M, 49293746Sjulian * ifm->ifm_media = 49395673Sphk * IFM_ETHER|IFM_1000_T|IFM_FDX; 49493746Sjulian */ 49593746Sjulian ifm->ifm_media = 49693746Sjulian IFM_ETHER | IFM_100_TX | IFM_FDX; 49793746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 49893746Sjulian media |= PHY_BMCR_1000; 49993746Sjulian media |= PHY_BMCR_DUPLEX; 50093746Sjulian printf("(full-duplex, 1000Mbps)\n"); 50193746Sjulian } else if (ability2 & PHY_1000SR_1000BTXHALF) { 50293746Sjulian advert = 0; 50393746Sjulian ability = 0; 50493746Sjulian /* 50593746Sjulian * this version did not support 1000M, 50695673Sphk * ifm->ifm_media = IFM_ETHER|IFM_1000_T; 50793746Sjulian */ 50893746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX; 50993746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 51093746Sjulian media &= ~PHY_BMCR_DUPLEX; 51193746Sjulian media |= PHY_BMCR_1000; 51293746Sjulian printf("(half-duplex, 1000Mbps)\n"); 51393746Sjulian } 51493746Sjulian } 51593746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) { 51693746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_T4; 51793746Sjulian media |= PHY_BMCR_SPEEDSEL; 51893746Sjulian media &= ~PHY_BMCR_DUPLEX; 51993746Sjulian printf("(100baseT4)\n"); 52093746Sjulian } else if (advert & PHY_ANAR_100BTXFULL && 52193746Sjulian ability & PHY_ANAR_100BTXFULL) { 52293746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 52393746Sjulian media |= PHY_BMCR_SPEEDSEL; 52493746Sjulian media |= PHY_BMCR_DUPLEX; 52593746Sjulian printf("(full-duplex, 100Mbps)\n"); 52693746Sjulian } else if (advert & PHY_ANAR_100BTXHALF && 52793746Sjulian ability & PHY_ANAR_100BTXHALF) { 52893746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 52993746Sjulian media |= PHY_BMCR_SPEEDSEL; 53093746Sjulian media &= ~PHY_BMCR_DUPLEX; 53193746Sjulian printf("(half-duplex, 100Mbps)\n"); 53293746Sjulian } else if (advert & PHY_ANAR_10BTFULL && 53393746Sjulian ability & PHY_ANAR_10BTFULL) { 53493746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 53593746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 53693746Sjulian media |= PHY_BMCR_DUPLEX; 53793746Sjulian printf("(full-duplex, 10Mbps)\n"); 53893746Sjulian } else if (advert) { 53993746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 54093746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 54193746Sjulian media &= ~PHY_BMCR_DUPLEX; 54293746Sjulian printf("(half-duplex, 10Mbps)\n"); 54393746Sjulian } 54493746Sjulian media &= ~PHY_BMCR_AUTONEGENBL; 54593746Sjulian 54693746Sjulian /* Set ASIC's duplex mode to match the PHY. */ 54793746Sjulian my_phy_writereg(sc, PHY_BMCR, media); 54893746Sjulian my_setcfg(sc, media); 54993746Sjulian } else { 55093746Sjulian if (verbose) 55193746Sjulian printf("my%d: no carrier\n", sc->my_unit); 55293746Sjulian } 55393746Sjulian 55493746Sjulian my_init(sc); 55593746Sjulian if (sc->my_tx_pend) { 55693746Sjulian sc->my_autoneg = 0; 55793746Sjulian sc->my_tx_pend = 0; 55893746Sjulian my_start(ifp); 55993746Sjulian } 56093746Sjulian MY_UNLOCK(sc); 56193746Sjulian return; 56293746Sjulian} 56393746Sjulian 56493746Sjulian/* 56593746Sjulian * To get PHY ability. 56693746Sjulian */ 56793746Sjulianstatic void 56893746Sjulianmy_getmode_mii(struct my_softc * sc) 56993746Sjulian{ 57093746Sjulian u_int16_t bmsr; 57193746Sjulian struct ifnet *ifp; 57293746Sjulian 57393746Sjulian MY_LOCK(sc); 574147256Sbrooks ifp = sc->my_ifp; 57593746Sjulian bmsr = my_phy_readreg(sc, PHY_BMSR); 57693746Sjulian if (bootverbose) 57793746Sjulian printf("my%d: PHY status word: %x\n", sc->my_unit, bmsr); 57893746Sjulian 57993746Sjulian /* fallback */ 58093746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 58193746Sjulian 58293746Sjulian if (bmsr & PHY_BMSR_10BTHALF) { 58393746Sjulian if (bootverbose) 58493746Sjulian printf("my%d: 10Mbps half-duplex mode supported\n", 58593746Sjulian sc->my_unit); 58693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_HDX, 58793746Sjulian 0, NULL); 58893746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, NULL); 58993746Sjulian } 59093746Sjulian if (bmsr & PHY_BMSR_10BTFULL) { 59193746Sjulian if (bootverbose) 59293746Sjulian printf("my%d: 10Mbps full-duplex mode supported\n", 59393746Sjulian sc->my_unit); 59493746Sjulian 59593746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 59693746Sjulian 0, NULL); 59793746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 59893746Sjulian } 59993746Sjulian if (bmsr & PHY_BMSR_100BTXHALF) { 60093746Sjulian if (bootverbose) 60193746Sjulian printf("my%d: 100Mbps half-duplex mode supported\n", 60293746Sjulian sc->my_unit); 60393746Sjulian ifp->if_baudrate = 100000000; 60493746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL); 60593746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_HDX, 60693746Sjulian 0, NULL); 60793746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 60893746Sjulian } 60993746Sjulian if (bmsr & PHY_BMSR_100BTXFULL) { 61093746Sjulian if (bootverbose) 61193746Sjulian printf("my%d: 100Mbps full-duplex mode supported\n", 61293746Sjulian sc->my_unit); 61393746Sjulian ifp->if_baudrate = 100000000; 61493746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 61593746Sjulian 0, NULL); 61693746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 61793746Sjulian } 61893746Sjulian /* Some also support 100BaseT4. */ 61993746Sjulian if (bmsr & PHY_BMSR_100BT4) { 62093746Sjulian if (bootverbose) 62193746Sjulian printf("my%d: 100baseT4 mode supported\n", sc->my_unit); 62293746Sjulian ifp->if_baudrate = 100000000; 62393746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_T4, 0, NULL); 62493746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_T4; 62593746Sjulian#ifdef FORCE_AUTONEG_TFOUR 62693746Sjulian if (bootverbose) 62793746Sjulian printf("my%d: forcing on autoneg support for BT4\n", 62893746Sjulian sc->my_unit); 62993746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0 NULL): 63093746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 63193746Sjulian#endif 63293746Sjulian } 63394863Sjulian#if 0 /* this version did not support 1000M, */ 63493746Sjulian if (sc->my_pinfo->my_vid == MarvellPHYID0) { 63593746Sjulian if (bootverbose) 63693746Sjulian printf("my%d: 1000Mbps half-duplex mode supported\n", 63793746Sjulian sc->my_unit); 63893746Sjulian 63993746Sjulian ifp->if_baudrate = 1000000000; 64095673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T, 0, NULL); 64195673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_HDX, 64293746Sjulian 0, NULL); 64393746Sjulian if (bootverbose) 64493746Sjulian printf("my%d: 1000Mbps full-duplex mode supported\n", 64593746Sjulian sc->my_unit); 64693746Sjulian ifp->if_baudrate = 1000000000; 64795673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 64893746Sjulian 0, NULL); 64995673Sphk sc->ifmedia.ifm_media = IFM_ETHER | IFM_1000_T | IFM_FDX; 65093746Sjulian } 65193746Sjulian#endif 65293746Sjulian if (bmsr & PHY_BMSR_CANAUTONEG) { 65393746Sjulian if (bootverbose) 65493746Sjulian printf("my%d: autoneg supported\n", sc->my_unit); 65593746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 65693746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 65793746Sjulian } 65893746Sjulian MY_UNLOCK(sc); 65993746Sjulian return; 66093746Sjulian} 66193746Sjulian 66293746Sjulian/* 66393746Sjulian * Set speed and duplex mode. 66493746Sjulian */ 66593746Sjulianstatic void 66693746Sjulianmy_setmode_mii(struct my_softc * sc, int media) 66793746Sjulian{ 66893746Sjulian u_int16_t bmcr; 66993746Sjulian struct ifnet *ifp; 67093746Sjulian 67193746Sjulian MY_LOCK(sc); 672147256Sbrooks ifp = sc->my_ifp; 67393746Sjulian /* 67493746Sjulian * If an autoneg session is in progress, stop it. 67593746Sjulian */ 67693746Sjulian if (sc->my_autoneg) { 67793746Sjulian printf("my%d: canceling autoneg session\n", sc->my_unit); 67893746Sjulian ifp->if_timer = sc->my_autoneg = sc->my_want_auto = 0; 67993746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 68093746Sjulian bmcr &= ~PHY_BMCR_AUTONEGENBL; 68193746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 68293746Sjulian } 68393746Sjulian printf("my%d: selecting MII, ", sc->my_unit); 68493746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 68593746Sjulian bmcr &= ~(PHY_BMCR_AUTONEGENBL | PHY_BMCR_SPEEDSEL | PHY_BMCR_1000 | 68693746Sjulian PHY_BMCR_DUPLEX | PHY_BMCR_LOOPBK); 68794863Sjulian 68894863Sjulian#if 0 /* this version did not support 1000M, */ 68995673Sphk if (IFM_SUBTYPE(media) == IFM_1000_T) { 69093746Sjulian printf("1000Mbps/T4, half-duplex\n"); 69193746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 69293746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 69393746Sjulian bmcr |= PHY_BMCR_1000; 69493746Sjulian } 69593746Sjulian#endif 69693746Sjulian if (IFM_SUBTYPE(media) == IFM_100_T4) { 69793746Sjulian printf("100Mbps/T4, half-duplex\n"); 69893746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 69993746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 70093746Sjulian } 70193746Sjulian if (IFM_SUBTYPE(media) == IFM_100_TX) { 70293746Sjulian printf("100Mbps, "); 70393746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 70493746Sjulian } 70593746Sjulian if (IFM_SUBTYPE(media) == IFM_10_T) { 70693746Sjulian printf("10Mbps, "); 70793746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 70893746Sjulian } 70993746Sjulian if ((media & IFM_GMASK) == IFM_FDX) { 71093746Sjulian printf("full duplex\n"); 71193746Sjulian bmcr |= PHY_BMCR_DUPLEX; 71293746Sjulian } else { 71393746Sjulian printf("half duplex\n"); 71493746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 71593746Sjulian } 71693746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 71793746Sjulian my_setcfg(sc, bmcr); 71893746Sjulian MY_UNLOCK(sc); 71993746Sjulian return; 72093746Sjulian} 72193746Sjulian 72293746Sjulian/* 72393746Sjulian * The Myson manual states that in order to fiddle with the 'full-duplex' and 72493746Sjulian * '100Mbps' bits in the netconfig register, we first have to put the 72593746Sjulian * transmit and/or receive logic in the idle state. 72693746Sjulian */ 72793746Sjulianstatic void 72893746Sjulianmy_setcfg(struct my_softc * sc, int bmcr) 72993746Sjulian{ 73093746Sjulian int i, restart = 0; 73193746Sjulian 73293746Sjulian MY_LOCK(sc); 73393746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & (MY_TE | MY_RE)) { 73493746Sjulian restart = 1; 73593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_TE | MY_RE)); 73693746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 73793746Sjulian DELAY(10); 73893746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & 73993746Sjulian (MY_TXRUN | MY_RXRUN))) 74093746Sjulian break; 74193746Sjulian } 74293746Sjulian if (i == MY_TIMEOUT) 74393746Sjulian printf("my%d: failed to force tx and rx to idle \n", 74493746Sjulian sc->my_unit); 74593746Sjulian } 74693746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS1000); 74793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS10); 74893746Sjulian if (bmcr & PHY_BMCR_1000) 74993746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS1000); 75093746Sjulian else if (!(bmcr & PHY_BMCR_SPEEDSEL)) 75193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS10); 75293746Sjulian if (bmcr & PHY_BMCR_DUPLEX) 75393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_FD); 75493746Sjulian else 75593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_FD); 75693746Sjulian if (restart) 75793746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE | MY_RE); 75893746Sjulian MY_UNLOCK(sc); 75993746Sjulian return; 76093746Sjulian} 76193746Sjulian 76293746Sjulianstatic void 76393746Sjulianmy_reset(struct my_softc * sc) 76493746Sjulian{ 76593746Sjulian register int i; 76693746Sjulian 76793746Sjulian MY_LOCK(sc); 76893746Sjulian MY_SETBIT(sc, MY_BCR, MY_SWR); 76993746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 77093746Sjulian DELAY(10); 77193746Sjulian if (!(CSR_READ_4(sc, MY_BCR) & MY_SWR)) 77293746Sjulian break; 77393746Sjulian } 77493746Sjulian if (i == MY_TIMEOUT) 77593746Sjulian printf("m0x%d: reset never completed!\n", sc->my_unit); 77693746Sjulian 77793746Sjulian /* Wait a little while for the chip to get its brains in order. */ 77893746Sjulian DELAY(1000); 77993746Sjulian MY_UNLOCK(sc); 78093746Sjulian return; 78193746Sjulian} 78293746Sjulian 78393746Sjulian/* 78493746Sjulian * Probe for a Myson chip. Check the PCI vendor and device IDs against our 78593746Sjulian * list and return a device name if we find a match. 78693746Sjulian */ 78793746Sjulianstatic int 78893746Sjulianmy_probe(device_t dev) 78993746Sjulian{ 79093746Sjulian struct my_type *t; 79193746Sjulian 79293746Sjulian t = my_devs; 79393746Sjulian while (t->my_name != NULL) { 79493746Sjulian if ((pci_get_vendor(dev) == t->my_vid) && 79593746Sjulian (pci_get_device(dev) == t->my_did)) { 79693746Sjulian device_set_desc(dev, t->my_name); 79793746Sjulian my_info_tmp = t; 798143158Simp return (BUS_PROBE_DEFAULT); 79993746Sjulian } 80093746Sjulian t++; 80193746Sjulian } 80293746Sjulian return (ENXIO); 80393746Sjulian} 80493746Sjulian 80593746Sjulian/* 80693746Sjulian * Attach the interface. Allocate softc structures, do ifmedia setup and 80793746Sjulian * ethernet/BPF attach. 80893746Sjulian */ 80993746Sjulianstatic int 81093746Sjulianmy_attach(device_t dev) 81193746Sjulian{ 81293746Sjulian int s, i; 81393746Sjulian u_char eaddr[ETHER_ADDR_LEN]; 81493746Sjulian u_int32_t command, iobase; 81593746Sjulian struct my_softc *sc; 81693746Sjulian struct ifnet *ifp; 81793746Sjulian int media = IFM_ETHER | IFM_100_TX | IFM_FDX; 81893746Sjulian unsigned int round; 81993746Sjulian caddr_t roundptr; 82093746Sjulian struct my_type *p; 82193746Sjulian u_int16_t phy_vid, phy_did, phy_sts = 0; 82293746Sjulian int rid, unit, error = 0; 82393746Sjulian 82493746Sjulian s = splimp(); 82593746Sjulian sc = device_get_softc(dev); 82693746Sjulian unit = device_get_unit(dev); 82793746Sjulian bzero(sc, sizeof(struct my_softc)); 82895803Sjulian mtx_init(&sc->my_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 82995803Sjulian MTX_DEF | MTX_RECURSE); 83093746Sjulian MY_LOCK(sc); 83193746Sjulian 83293746Sjulian /* 83393746Sjulian * Map control/status registers. 83493746Sjulian */ 83594863Sjulian#if 0 83694863Sjulian command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 83794863Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 83894863Sjulian pci_write_config(dev, PCI_COMMAND_STATUS_REG, command & 0x000000ff, 4); 83994863Sjulian command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 84094863Sjulian#endif 84193746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 84293746Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 84393746Sjulian pci_write_config(dev, PCIR_COMMAND, command & 0x000000ff, 4); 84493746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 84593746Sjulian 84693746Sjulian if (my_info_tmp->my_did == MTD800ID) { 84793746Sjulian iobase = pci_read_config(dev, MY_PCI_LOIO, 4); 84893746Sjulian if (iobase & 0x300) 84993746Sjulian MY_USEIOSPACE = 0; 85093746Sjulian } 85193746Sjulian if (MY_USEIOSPACE) { 85293746Sjulian if (!(command & PCIM_CMD_PORTEN)) { 85393746Sjulian printf("my%d: failed to enable I/O ports!\n", unit); 85493746Sjulian free(sc, M_DEVBUF); 85593746Sjulian error = ENXIO; 85693746Sjulian goto fail; 85793746Sjulian } 85893746Sjulian#if 0 85994863Sjulian if (!pci_map_port(config_id, MY_PCI_LOIO, (u_int16_t *) & (sc->my_bhandle))) { 86094863Sjulian printf("my%d: couldn't map ports\n", unit); 86194863Sjulian error = ENXIO; 86294863Sjulian goto fail; 86393746Sjulian } 86493746Sjulian 86593746Sjulian sc->my_btag = I386_BUS_SPACE_IO; 86693746Sjulian#endif 86793746Sjulian } else { 86893746Sjulian if (!(command & PCIM_CMD_MEMEN)) { 86993746Sjulian printf("my%d: failed to enable memory mapping!\n", 87093746Sjulian unit); 87193746Sjulian error = ENXIO; 87293746Sjulian goto fail; 87393746Sjulian } 87493746Sjulian#if 0 87593746Sjulian if (!pci_map_mem(config_id, MY_PCI_LOMEM, &vbase, &pbase)) { 87693746Sjulian printf ("my%d: couldn't map memory\n", unit); 87793746Sjulian error = ENXIO; 87893746Sjulian goto fail; 87993746Sjulian } 88094863Sjulian sc->my_btag = I386_BUS_SPACE_MEM; 88194863Sjulian sc->my_bhandle = vbase; 88293746Sjulian#endif 88393746Sjulian } 88493746Sjulian 88593746Sjulian rid = MY_RID; 886127135Snjl sc->my_res = bus_alloc_resource_any(dev, MY_RES, &rid, RF_ACTIVE); 88793746Sjulian 88893746Sjulian if (sc->my_res == NULL) { 88993746Sjulian printf("my%d: couldn't map ports/memory\n", unit); 89093746Sjulian error = ENXIO; 89193746Sjulian goto fail; 89293746Sjulian } 89393746Sjulian sc->my_btag = rman_get_bustag(sc->my_res); 89493746Sjulian sc->my_bhandle = rman_get_bushandle(sc->my_res); 89593746Sjulian 89693746Sjulian rid = 0; 897127135Snjl sc->my_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 898127135Snjl RF_SHAREABLE | RF_ACTIVE); 89993746Sjulian 90093746Sjulian if (sc->my_irq == NULL) { 90193746Sjulian printf("my%d: couldn't map interrupt\n", unit); 90293746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 90393746Sjulian error = ENXIO; 90493746Sjulian goto fail; 90593746Sjulian } 90693746Sjulian error = bus_setup_intr(dev, sc->my_irq, INTR_TYPE_NET, 90793746Sjulian my_intr, sc, &sc->my_intrhand); 90893746Sjulian 90993746Sjulian if (error) { 91093746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 91193746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 91293746Sjulian printf("my%d: couldn't set up irq\n", unit); 91393746Sjulian goto fail; 91493746Sjulian } 91593746Sjulian callout_handle_init(&sc->my_stat_ch); 91693746Sjulian 91793746Sjulian sc->my_info = my_info_tmp; 91893746Sjulian 91993746Sjulian /* Reset the adapter. */ 92093746Sjulian my_reset(sc); 92193746Sjulian 92293746Sjulian /* 92393746Sjulian * Get station address 92493746Sjulian */ 92593746Sjulian for (i = 0; i < ETHER_ADDR_LEN; ++i) 92693746Sjulian eaddr[i] = CSR_READ_1(sc, MY_PAR0 + i); 92793746Sjulian 92893746Sjulian sc->my_unit = unit; 92993746Sjulian 93093746Sjulian sc->my_ldata_ptr = malloc(sizeof(struct my_list_data) + 8, 93193746Sjulian M_DEVBUF, M_NOWAIT); 93293746Sjulian if (sc->my_ldata_ptr == NULL) { 93393746Sjulian free(sc, M_DEVBUF); 93493746Sjulian printf("my%d: no memory for list buffers!\n", unit); 93593746Sjulian error = ENXIO; 93693746Sjulian goto fail; 93793746Sjulian } 93893746Sjulian sc->my_ldata = (struct my_list_data *) sc->my_ldata_ptr; 939106588Sjhb round = (uintptr_t)sc->my_ldata_ptr & 0xF; 94093746Sjulian roundptr = sc->my_ldata_ptr; 94193746Sjulian for (i = 0; i < 8; i++) { 94293746Sjulian if (round % 8) { 94393746Sjulian round++; 94493746Sjulian roundptr++; 94593746Sjulian } else 94693746Sjulian break; 94793746Sjulian } 94893746Sjulian sc->my_ldata = (struct my_list_data *) roundptr; 94993746Sjulian bzero(sc->my_ldata, sizeof(struct my_list_data)); 95093746Sjulian 951147256Sbrooks ifp = sc->my_ifp = if_alloc(IFT_ETHER); 952147256Sbrooks if (ifp == NULL) { 953147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 954147256Sbrooks error = ENOSPC; 955147256Sbrooks goto fail; 956147256Sbrooks } 95793746Sjulian ifp->if_softc = sc; 958121816Sbrooks if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 95993746Sjulian ifp->if_mtu = ETHERMTU; 96093746Sjulian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 96193746Sjulian ifp->if_ioctl = my_ioctl; 96293746Sjulian ifp->if_start = my_start; 96393746Sjulian ifp->if_watchdog = my_watchdog; 96493746Sjulian ifp->if_init = my_init; 96593746Sjulian ifp->if_baudrate = 10000000; 96693746Sjulian ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 96793746Sjulian 96893746Sjulian if (sc->my_info->my_did == MTD803ID) 96993746Sjulian sc->my_pinfo = my_phys; 97093746Sjulian else { 97193746Sjulian if (bootverbose) 97293746Sjulian printf("my%d: probing for a PHY\n", sc->my_unit); 97393746Sjulian for (i = MY_PHYADDR_MIN; i < MY_PHYADDR_MAX + 1; i++) { 97493746Sjulian if (bootverbose) 97593746Sjulian printf("my%d: checking address: %d\n", 97693746Sjulian sc->my_unit, i); 97793746Sjulian sc->my_phy_addr = i; 97893746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 97993746Sjulian if ((phy_sts != 0) && (phy_sts != 0xffff)) 98093746Sjulian break; 98193746Sjulian else 98293746Sjulian phy_sts = 0; 98393746Sjulian } 98493746Sjulian if (phy_sts) { 98593746Sjulian phy_vid = my_phy_readreg(sc, PHY_VENID); 98693746Sjulian phy_did = my_phy_readreg(sc, PHY_DEVID); 98793746Sjulian if (bootverbose) { 98893746Sjulian printf("my%d: found PHY at address %d, ", 98993746Sjulian sc->my_unit, sc->my_phy_addr); 99093746Sjulian printf("vendor id: %x device id: %x\n", 99193746Sjulian phy_vid, phy_did); 99293746Sjulian } 99393746Sjulian p = my_phys; 99493746Sjulian while (p->my_vid) { 99593746Sjulian if (phy_vid == p->my_vid) { 99693746Sjulian sc->my_pinfo = p; 99793746Sjulian break; 99893746Sjulian } 99993746Sjulian p++; 100093746Sjulian } 100193746Sjulian if (sc->my_pinfo == NULL) 100293746Sjulian sc->my_pinfo = &my_phys[PHY_UNKNOWN]; 100393746Sjulian if (bootverbose) 100493746Sjulian printf("my%d: PHY type: %s\n", 100593746Sjulian sc->my_unit, sc->my_pinfo->my_name); 100693746Sjulian } else { 100793746Sjulian printf("my%d: MII without any phy!\n", sc->my_unit); 100893746Sjulian error = ENXIO; 100993746Sjulian goto fail; 101093746Sjulian } 101193746Sjulian } 101293746Sjulian 101393746Sjulian /* Do ifmedia setup. */ 101493746Sjulian ifmedia_init(&sc->ifmedia, 0, my_ifmedia_upd, my_ifmedia_sts); 101593746Sjulian my_getmode_mii(sc); 101693746Sjulian my_autoneg_mii(sc, MY_FLAG_FORCEDELAY, 1); 101793746Sjulian media = sc->ifmedia.ifm_media; 101893746Sjulian my_stop(sc); 101993746Sjulian ifmedia_set(&sc->ifmedia, media); 102093746Sjulian 1021106937Ssam ether_ifattach(ifp, eaddr); 102293746Sjulian 102393746Sjulian#if 0 102493746Sjulian at_shutdown(my_shutdown, sc, SHUTDOWN_POST_SYNC); 102593746Sjulian shutdownhook_establish(my_shutdown, sc); 102693746Sjulian#endif 102793746Sjulian 102893746Sjulian MY_UNLOCK(sc); 102993746Sjulian return (0); 103093746Sjulian 103193746Sjulianfail: 103293746Sjulian MY_UNLOCK(sc); 103393746Sjulian mtx_destroy(&sc->my_mtx); 1034147256Sbrooks if (sc->my_ldata_ptr != NULL) 1035147256Sbrooks free(sc->my_ldata_ptr, M_DEVBUF); 103693746Sjulian splx(s); 103793746Sjulian return (error); 103893746Sjulian} 103993746Sjulian 104093746Sjulianstatic int 104193746Sjulianmy_detach(device_t dev) 104293746Sjulian{ 104393746Sjulian struct my_softc *sc; 104493746Sjulian struct ifnet *ifp; 104593746Sjulian int s; 104693746Sjulian 104793746Sjulian s = splimp(); 104893746Sjulian sc = device_get_softc(dev); 104993746Sjulian MY_LOCK(sc); 1050147256Sbrooks ifp = sc->my_ifp; 1051106937Ssam ether_ifdetach(ifp); 1052147256Sbrooks if_free(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); 1185147256Sbrooks ifp = sc->my_ifp; 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 && 1237147256Sbrooks (bcmp(eh->ether_dhost, IFP2ENADDR(sc->my_ifp), 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); 1265147256Sbrooks ifp = sc->my_ifp; 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); 1320147256Sbrooks ifp = sc->my_ifp; 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); 1347147256Sbrooks ifp = sc->my_ifp; 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; 1541147256Sbrooks struct ifnet *ifp = sc->my_ifp; 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); 1793147256Sbrooks ifp = sc->my_ifp; 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