if_my.c revision 166901
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 166901 2007-02-23 12:19:07Z piso $"); 32113038Sobrien 3393746Sjulian#include <sys/param.h> 3493746Sjulian#include <sys/systm.h> 3593746Sjulian#include <sys/sockio.h> 3693746Sjulian#include <sys/mbuf.h> 3793746Sjulian#include <sys/malloc.h> 3893746Sjulian#include <sys/kernel.h> 3993746Sjulian#include <sys/socket.h> 4093746Sjulian#include <sys/queue.h> 4193746Sjulian#include <sys/types.h> 4293746Sjulian#include <sys/bus.h> 4393746Sjulian#include <sys/module.h> 4495807Sjulian#include <sys/lock.h> 4595807Sjulian#include <sys/mutex.h> 4693746Sjulian 4793746Sjulian#define NBPFILTER 1 4893746Sjulian 4993746Sjulian#include <net/if.h> 5093746Sjulian#include <net/if_arp.h> 5193746Sjulian#include <net/ethernet.h> 5293746Sjulian#include <net/if_media.h> 53147256Sbrooks#include <net/if_types.h> 5493746Sjulian#include <net/if_dl.h> 5593746Sjulian#include <net/bpf.h> 5693746Sjulian 5793746Sjulian#include <vm/vm.h> /* for vtophys */ 5893746Sjulian#include <vm/pmap.h> /* for vtophys */ 5993746Sjulian#include <machine/bus.h> 6093746Sjulian#include <machine/resource.h> 6193746Sjulian#include <sys/bus.h> 6293746Sjulian#include <sys/rman.h> 6393746Sjulian 64119285Simp#include <dev/pci/pcireg.h> 65119285Simp#include <dev/pci/pcivar.h> 6693746Sjulian 6793746Sjulian#include <dev/mii/mii.h> 6893746Sjulian#include <dev/mii/miivar.h> 6993746Sjulian 7093746Sjulian#include "miibus_if.h" 7193746Sjulian 7293746Sjulian/* 7393746Sjulian * #define MY_USEIOSPACE 7493746Sjulian */ 7593746Sjulian 7693746Sjulianstatic int MY_USEIOSPACE = 1; 7793746Sjulian 78153084Sru#ifdef MY_USEIOSPACE 7994904Sjulian#define MY_RES SYS_RES_IOPORT 8094904Sjulian#define MY_RID MY_PCI_LOIO 8193746Sjulian#else 8294904Sjulian#define MY_RES SYS_RES_MEMORY 8394904Sjulian#define MY_RID MY_PCI_LOMEM 8493746Sjulian#endif 8593746Sjulian 8693746Sjulian 8793746Sjulian#include <dev/my/if_myreg.h> 8893746Sjulian 8993746Sjulian#ifndef lint 9093746Sjulianstatic const char rcsid[] = 91119285Simp"$Id: if_my.c,v 1.16 2003/04/15 06:37:25 mdodd Exp $"; 9293746Sjulian#endif 9393746Sjulian 9493746Sjulian/* 9593746Sjulian * Various supported device vendors/types and their names. 9693746Sjulian */ 9793746Sjulianstruct my_type *my_info_tmp; 9893746Sjulianstatic struct my_type my_devs[] = { 9993746Sjulian {MYSONVENDORID, MTD800ID, "Myson MTD80X Based Fast Ethernet Card"}, 10093746Sjulian {MYSONVENDORID, MTD803ID, "Myson MTD80X Based Fast Ethernet Card"}, 10193746Sjulian {MYSONVENDORID, MTD891ID, "Myson MTD89X Based Giga Ethernet Card"}, 10293746Sjulian {0, 0, NULL} 10393746Sjulian}; 10493746Sjulian 10593746Sjulian/* 10693746Sjulian * Various supported PHY vendors/types and their names. Note that this driver 10793746Sjulian * will work with pretty much any MII-compliant PHY, so failure to positively 10893746Sjulian * identify the chip is not a fatal error. 10993746Sjulian */ 11093746Sjulianstatic struct my_type my_phys[] = { 11193746Sjulian {MysonPHYID0, MysonPHYID0, "<MYSON MTD981>"}, 11293746Sjulian {SeeqPHYID0, SeeqPHYID0, "<SEEQ 80225>"}, 11393746Sjulian {AhdocPHYID0, AhdocPHYID0, "<AHDOC 101>"}, 11493746Sjulian {MarvellPHYID0, MarvellPHYID0, "<MARVELL 88E1000>"}, 11593746Sjulian {LevelOnePHYID0, LevelOnePHYID0, "<LevelOne LXT1000>"}, 11693746Sjulian {0, 0, "<MII-compliant physical interface>"} 11793746Sjulian}; 11893746Sjulian 11993746Sjulianstatic int my_probe(device_t); 12093746Sjulianstatic int my_attach(device_t); 12193746Sjulianstatic int my_detach(device_t); 12293746Sjulianstatic int my_newbuf(struct my_softc *, struct my_chain_onefrag *); 12393746Sjulianstatic int my_encap(struct my_softc *, struct my_chain *, struct mbuf *); 12493746Sjulianstatic void my_rxeof(struct my_softc *); 12593746Sjulianstatic void my_txeof(struct my_softc *); 12693746Sjulianstatic void my_txeoc(struct my_softc *); 12793746Sjulianstatic void my_intr(void *); 12893746Sjulianstatic void my_start(struct ifnet *); 129149151Sjhbstatic void my_start_locked(struct ifnet *); 13093746Sjulianstatic int my_ioctl(struct ifnet *, u_long, caddr_t); 13193746Sjulianstatic void my_init(void *); 132149151Sjhbstatic void my_init_locked(struct my_softc *); 13393746Sjulianstatic void my_stop(struct my_softc *); 13493746Sjulianstatic void my_watchdog(struct ifnet *); 13593746Sjulianstatic void my_shutdown(device_t); 13693746Sjulianstatic int my_ifmedia_upd(struct ifnet *); 13793746Sjulianstatic void my_ifmedia_sts(struct ifnet *, struct ifmediareq *); 13893746Sjulianstatic u_int16_t my_phy_readreg(struct my_softc *, int); 13993746Sjulianstatic void my_phy_writereg(struct my_softc *, int, int); 14093746Sjulianstatic void my_autoneg_xmit(struct my_softc *); 14193746Sjulianstatic void my_autoneg_mii(struct my_softc *, int, int); 14293746Sjulianstatic void my_setmode_mii(struct my_softc *, int); 14393746Sjulianstatic void my_getmode_mii(struct my_softc *); 14493746Sjulianstatic void my_setcfg(struct my_softc *, int); 14593746Sjulianstatic void my_setmulti(struct my_softc *); 14693746Sjulianstatic void my_reset(struct my_softc *); 14793746Sjulianstatic int my_list_rx_init(struct my_softc *); 14893746Sjulianstatic int my_list_tx_init(struct my_softc *); 14993746Sjulianstatic long my_send_cmd_to_phy(struct my_softc *, int, int); 15093746Sjulian 151106696Salfred#define MY_SETBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) | (x)) 152106696Salfred#define MY_CLRBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) & ~(x)) 15393746Sjulian 15493746Sjulianstatic device_method_t my_methods[] = { 15593746Sjulian /* Device interface */ 15693746Sjulian DEVMETHOD(device_probe, my_probe), 15793746Sjulian DEVMETHOD(device_attach, my_attach), 15893746Sjulian DEVMETHOD(device_detach, my_detach), 15993746Sjulian DEVMETHOD(device_shutdown, my_shutdown), 16093746Sjulian 16193746Sjulian {0, 0} 16293746Sjulian}; 16393746Sjulian 16493746Sjulianstatic driver_t my_driver = { 16593746Sjulian "my", 16693746Sjulian my_methods, 16793746Sjulian sizeof(struct my_softc) 16893746Sjulian}; 16993746Sjulian 17093746Sjulianstatic devclass_t my_devclass; 17193746Sjulian 172113506SmdoddDRIVER_MODULE(my, pci, my_driver, my_devclass, 0, 0); 173113506SmdoddMODULE_DEPEND(my, pci, 1, 1, 1); 174113506SmdoddMODULE_DEPEND(my, ether, 1, 1, 1); 17593746Sjulian 17693746Sjulianstatic long 17793746Sjulianmy_send_cmd_to_phy(struct my_softc * sc, int opcode, int regad) 17893746Sjulian{ 17993746Sjulian long miir; 18093746Sjulian int i; 18193746Sjulian int mask, data; 18293746Sjulian 183149151Sjhb MY_LOCK_ASSERT(sc); 18493746Sjulian 18593746Sjulian /* enable MII output */ 18693746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 18793746Sjulian miir &= 0xfffffff0; 18893746Sjulian 18993746Sjulian miir |= MY_MASK_MIIR_MII_WRITE + MY_MASK_MIIR_MII_MDO; 19093746Sjulian 19193746Sjulian /* send 32 1's preamble */ 19293746Sjulian for (i = 0; i < 32; i++) { 19393746Sjulian /* low MDC; MDO is already high (miir) */ 19493746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 19593746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19693746Sjulian 19793746Sjulian /* high MDC */ 19893746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 19993746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 20093746Sjulian } 20193746Sjulian 20293746Sjulian /* calculate ST+OP+PHYAD+REGAD+TA */ 20393746Sjulian data = opcode | (sc->my_phy_addr << 7) | (regad << 2); 20493746Sjulian 20593746Sjulian /* sent out */ 20693746Sjulian mask = 0x8000; 20793746Sjulian while (mask) { 20893746Sjulian /* low MDC, prepare MDO */ 20993746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 21093746Sjulian if (mask & data) 21193746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 21293746Sjulian 21393746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21493746Sjulian /* high MDC */ 21593746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 21693746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21793746Sjulian DELAY(30); 21893746Sjulian 21993746Sjulian /* next */ 22093746Sjulian mask >>= 1; 22193746Sjulian if (mask == 0x2 && opcode == MY_OP_READ) 22293746Sjulian miir &= ~MY_MASK_MIIR_MII_WRITE; 22393746Sjulian } 22493746Sjulian 22593746Sjulian return miir; 22693746Sjulian} 22793746Sjulian 22893746Sjulian 229148945Sjhbstatic u_int16_t 23093746Sjulianmy_phy_readreg(struct my_softc * sc, int reg) 23193746Sjulian{ 23293746Sjulian long miir; 23393746Sjulian int mask, data; 23493746Sjulian 235149151Sjhb MY_LOCK_ASSERT(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 return (u_int16_t) data; 27093746Sjulian} 27193746Sjulian 27293746Sjulian 27393746Sjulianstatic void 27493746Sjulianmy_phy_writereg(struct my_softc * sc, int reg, int data) 27593746Sjulian{ 27693746Sjulian long miir; 27793746Sjulian int mask; 27893746Sjulian 279149151Sjhb MY_LOCK_ASSERT(sc); 28093746Sjulian 28193746Sjulian if (sc->my_info->my_did == MTD803ID) 28293746Sjulian CSR_WRITE_2(sc, MY_PHYBASE + reg * 2, data); 28393746Sjulian else { 28493746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_WRITE, reg); 28593746Sjulian 28693746Sjulian /* write data */ 28793746Sjulian mask = 0x8000; 28893746Sjulian while (mask) { 28993746Sjulian /* low MDC, prepare MDO */ 29093746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 29193746Sjulian if (mask & data) 29293746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 29393746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29493746Sjulian DELAY(1); 29593746Sjulian 29693746Sjulian /* high MDC */ 29793746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 29893746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29993746Sjulian DELAY(1); 30093746Sjulian 30193746Sjulian /* next */ 30293746Sjulian mask >>= 1; 30393746Sjulian } 30493746Sjulian 30593746Sjulian /* low MDC */ 30693746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 30793746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 30893746Sjulian } 30993746Sjulian return; 31093746Sjulian} 31193746Sjulian 31293746Sjulian 31393746Sjulian/* 31493746Sjulian * Program the 64-bit multicast hash filter. 31593746Sjulian */ 31693746Sjulianstatic void 31793746Sjulianmy_setmulti(struct my_softc * sc) 31893746Sjulian{ 31993746Sjulian struct ifnet *ifp; 32093746Sjulian int h = 0; 32193746Sjulian u_int32_t hashes[2] = {0, 0}; 32293746Sjulian struct ifmultiaddr *ifma; 32393746Sjulian u_int32_t rxfilt; 32493746Sjulian int mcnt = 0; 32593746Sjulian 326149151Sjhb MY_LOCK_ASSERT(sc); 32793746Sjulian 328147256Sbrooks ifp = sc->my_ifp; 32993746Sjulian 33093746Sjulian rxfilt = CSR_READ_4(sc, MY_TCRRCR); 33193746Sjulian 33293746Sjulian if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 33393746Sjulian rxfilt |= MY_AM; 33493746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 33593746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0xFFFFFFFF); 33693746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0xFFFFFFFF); 33793746Sjulian 33893746Sjulian return; 33993746Sjulian } 34093746Sjulian /* first, zot all the existing hash bits */ 34193746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0); 34293746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0); 34393746Sjulian 34493746Sjulian /* now program new ones */ 345148654Srwatson IF_ADDR_LOCK(ifp); 34693746Sjulian TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 34793746Sjulian if (ifma->ifma_addr->sa_family != AF_LINK) 34893746Sjulian continue; 349130270Snaddy h = ~ether_crc32_be(LLADDR((struct sockaddr_dl *) 350130270Snaddy ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; 35193746Sjulian if (h < 32) 35293746Sjulian hashes[0] |= (1 << h); 35393746Sjulian else 35493746Sjulian hashes[1] |= (1 << (h - 32)); 35593746Sjulian mcnt++; 35693746Sjulian } 357148654Srwatson IF_ADDR_UNLOCK(ifp); 35893746Sjulian 35993746Sjulian if (mcnt) 36093746Sjulian rxfilt |= MY_AM; 36193746Sjulian else 36293746Sjulian rxfilt &= ~MY_AM; 36393746Sjulian CSR_WRITE_4(sc, MY_MAR0, hashes[0]); 36493746Sjulian CSR_WRITE_4(sc, MY_MAR1, hashes[1]); 36593746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 36693746Sjulian return; 36793746Sjulian} 36893746Sjulian 36993746Sjulian/* 37093746Sjulian * Initiate an autonegotiation session. 37193746Sjulian */ 37293746Sjulianstatic void 37393746Sjulianmy_autoneg_xmit(struct my_softc * sc) 37493746Sjulian{ 37593746Sjulian u_int16_t phy_sts = 0; 37693746Sjulian 377149151Sjhb MY_LOCK_ASSERT(sc); 37893746Sjulian 37993746Sjulian my_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET); 38093746Sjulian DELAY(500); 38193746Sjulian while (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_RESET); 38293746Sjulian 38393746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMCR); 38493746Sjulian phy_sts |= PHY_BMCR_AUTONEGENBL | PHY_BMCR_AUTONEGRSTR; 38593746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_sts); 38693746Sjulian 38793746Sjulian return; 38893746Sjulian} 38993746Sjulian 39093746Sjulian 39193746Sjulian/* 39293746Sjulian * Invoke autonegotiation on a PHY. 39393746Sjulian */ 39493746Sjulianstatic void 39593746Sjulianmy_autoneg_mii(struct my_softc * sc, int flag, int verbose) 39693746Sjulian{ 39793746Sjulian u_int16_t phy_sts = 0, media, advert, ability; 39893746Sjulian u_int16_t ability2 = 0; 39993746Sjulian struct ifnet *ifp; 40093746Sjulian struct ifmedia *ifm; 40193746Sjulian 402149151Sjhb MY_LOCK_ASSERT(sc); 40393746Sjulian 40493746Sjulian ifm = &sc->ifmedia; 405147256Sbrooks ifp = sc->my_ifp; 40693746Sjulian 40793746Sjulian ifm->ifm_media = IFM_ETHER | IFM_AUTO; 40893746Sjulian 40993746Sjulian#ifndef FORCE_AUTONEG_TFOUR 41093746Sjulian /* 41193746Sjulian * First, see if autoneg is supported. If not, there's no point in 41293746Sjulian * continuing. 41393746Sjulian */ 41493746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 41593746Sjulian if (!(phy_sts & PHY_BMSR_CANAUTONEG)) { 41693746Sjulian if (verbose) 417162321Sglebius device_printf(sc->my_dev, 418162321Sglebius "autonegotiation not supported\n"); 41993746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 42093746Sjulian return; 42193746Sjulian } 42293746Sjulian#endif 42393746Sjulian switch (flag) { 42493746Sjulian case MY_FLAG_FORCEDELAY: 42593746Sjulian /* 42693746Sjulian * XXX Never use this option anywhere but in the probe 42793746Sjulian * routine: making the kernel stop dead in its tracks for 42893746Sjulian * three whole seconds after we've gone multi-user is really 42993746Sjulian * bad manners. 43093746Sjulian */ 43193746Sjulian my_autoneg_xmit(sc); 43293746Sjulian DELAY(5000000); 43393746Sjulian break; 43493746Sjulian case MY_FLAG_SCHEDDELAY: 43593746Sjulian /* 43693746Sjulian * Wait for the transmitter to go idle before starting an 43793746Sjulian * autoneg session, otherwise my_start() may clobber our 43893746Sjulian * timeout, and we don't want to allow transmission during an 43993746Sjulian * autoneg session since that can screw it up. 44093746Sjulian */ 44193746Sjulian if (sc->my_cdata.my_tx_head != NULL) { 44293746Sjulian sc->my_want_auto = 1; 44393746Sjulian MY_UNLOCK(sc); 44493746Sjulian return; 44593746Sjulian } 44693746Sjulian my_autoneg_xmit(sc); 44793746Sjulian ifp->if_timer = 5; 44893746Sjulian sc->my_autoneg = 1; 44993746Sjulian sc->my_want_auto = 0; 45093746Sjulian return; 45193746Sjulian case MY_FLAG_DELAYTIMEO: 45293746Sjulian ifp->if_timer = 0; 45393746Sjulian sc->my_autoneg = 0; 45493746Sjulian break; 45593746Sjulian default: 456162321Sglebius device_printf(sc->my_dev, "invalid autoneg flag: %d\n", flag); 45793746Sjulian return; 45893746Sjulian } 45993746Sjulian 46093746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) { 46193746Sjulian if (verbose) 462162321Sglebius device_printf(sc->my_dev, "autoneg complete, "); 46393746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 46493746Sjulian } else { 46593746Sjulian if (verbose) 466162321Sglebius device_printf(sc->my_dev, "autoneg not complete, "); 46793746Sjulian } 46893746Sjulian 46993746Sjulian media = my_phy_readreg(sc, PHY_BMCR); 47093746Sjulian 47193746Sjulian /* Link is good. Report modes and set duplex mode. */ 47293746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT) { 47393746Sjulian if (verbose) 474162321Sglebius device_printf(sc->my_dev, "link status good. "); 47593746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 47693746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 47793746Sjulian if ((sc->my_pinfo->my_vid == MarvellPHYID0) || 47893746Sjulian (sc->my_pinfo->my_vid == LevelOnePHYID0)) { 47993746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 48093746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 48193746Sjulian advert = 0; 48293746Sjulian ability = 0; 48393746Sjulian /* 48493746Sjulian * this version did not support 1000M, 48593746Sjulian * ifm->ifm_media = 48695673Sphk * IFM_ETHER|IFM_1000_T|IFM_FDX; 48793746Sjulian */ 48893746Sjulian ifm->ifm_media = 48993746Sjulian IFM_ETHER | IFM_100_TX | IFM_FDX; 49093746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 49193746Sjulian media |= PHY_BMCR_1000; 49293746Sjulian media |= PHY_BMCR_DUPLEX; 49393746Sjulian printf("(full-duplex, 1000Mbps)\n"); 49493746Sjulian } else if (ability2 & PHY_1000SR_1000BTXHALF) { 49593746Sjulian advert = 0; 49693746Sjulian ability = 0; 49793746Sjulian /* 49893746Sjulian * this version did not support 1000M, 49995673Sphk * ifm->ifm_media = IFM_ETHER|IFM_1000_T; 50093746Sjulian */ 50193746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX; 50293746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 50393746Sjulian media &= ~PHY_BMCR_DUPLEX; 50493746Sjulian media |= PHY_BMCR_1000; 50593746Sjulian printf("(half-duplex, 1000Mbps)\n"); 50693746Sjulian } 50793746Sjulian } 50893746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) { 50993746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_T4; 51093746Sjulian media |= PHY_BMCR_SPEEDSEL; 51193746Sjulian media &= ~PHY_BMCR_DUPLEX; 51293746Sjulian printf("(100baseT4)\n"); 51393746Sjulian } else if (advert & PHY_ANAR_100BTXFULL && 51493746Sjulian ability & PHY_ANAR_100BTXFULL) { 51593746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 51693746Sjulian media |= PHY_BMCR_SPEEDSEL; 51793746Sjulian media |= PHY_BMCR_DUPLEX; 51893746Sjulian printf("(full-duplex, 100Mbps)\n"); 51993746Sjulian } else if (advert & PHY_ANAR_100BTXHALF && 52093746Sjulian ability & PHY_ANAR_100BTXHALF) { 52193746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 52293746Sjulian media |= PHY_BMCR_SPEEDSEL; 52393746Sjulian media &= ~PHY_BMCR_DUPLEX; 52493746Sjulian printf("(half-duplex, 100Mbps)\n"); 52593746Sjulian } else if (advert & PHY_ANAR_10BTFULL && 52693746Sjulian ability & PHY_ANAR_10BTFULL) { 52793746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 52893746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 52993746Sjulian media |= PHY_BMCR_DUPLEX; 53093746Sjulian printf("(full-duplex, 10Mbps)\n"); 53193746Sjulian } else if (advert) { 53293746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 53393746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 53493746Sjulian media &= ~PHY_BMCR_DUPLEX; 53593746Sjulian printf("(half-duplex, 10Mbps)\n"); 53693746Sjulian } 53793746Sjulian media &= ~PHY_BMCR_AUTONEGENBL; 53893746Sjulian 53993746Sjulian /* Set ASIC's duplex mode to match the PHY. */ 54093746Sjulian my_phy_writereg(sc, PHY_BMCR, media); 54193746Sjulian my_setcfg(sc, media); 54293746Sjulian } else { 54393746Sjulian if (verbose) 544162321Sglebius device_printf(sc->my_dev, "no carrier\n"); 54593746Sjulian } 54693746Sjulian 547149151Sjhb my_init_locked(sc); 54893746Sjulian if (sc->my_tx_pend) { 54993746Sjulian sc->my_autoneg = 0; 55093746Sjulian sc->my_tx_pend = 0; 551149151Sjhb my_start_locked(ifp); 55293746Sjulian } 55393746Sjulian return; 55493746Sjulian} 55593746Sjulian 55693746Sjulian/* 55793746Sjulian * To get PHY ability. 55893746Sjulian */ 55993746Sjulianstatic void 56093746Sjulianmy_getmode_mii(struct my_softc * sc) 56193746Sjulian{ 56293746Sjulian u_int16_t bmsr; 56393746Sjulian struct ifnet *ifp; 56493746Sjulian 565149151Sjhb MY_LOCK_ASSERT(sc); 566147256Sbrooks ifp = sc->my_ifp; 56793746Sjulian bmsr = my_phy_readreg(sc, PHY_BMSR); 56893746Sjulian if (bootverbose) 569162321Sglebius device_printf(sc->my_dev, "PHY status word: %x\n", bmsr); 57093746Sjulian 57193746Sjulian /* fallback */ 57293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 57393746Sjulian 57493746Sjulian if (bmsr & PHY_BMSR_10BTHALF) { 57593746Sjulian if (bootverbose) 576162321Sglebius device_printf(sc->my_dev, 577162321Sglebius "10Mbps half-duplex mode supported\n"); 57893746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_HDX, 57993746Sjulian 0, NULL); 58093746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, NULL); 58193746Sjulian } 58293746Sjulian if (bmsr & PHY_BMSR_10BTFULL) { 58393746Sjulian if (bootverbose) 584162321Sglebius device_printf(sc->my_dev, 585162321Sglebius "10Mbps full-duplex mode supported\n"); 58693746Sjulian 58793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 58893746Sjulian 0, NULL); 58993746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 59093746Sjulian } 59193746Sjulian if (bmsr & PHY_BMSR_100BTXHALF) { 59293746Sjulian if (bootverbose) 593162321Sglebius device_printf(sc->my_dev, 594162321Sglebius "100Mbps half-duplex mode supported\n"); 59593746Sjulian ifp->if_baudrate = 100000000; 59693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL); 59793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_HDX, 59893746Sjulian 0, NULL); 59993746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 60093746Sjulian } 60193746Sjulian if (bmsr & PHY_BMSR_100BTXFULL) { 60293746Sjulian if (bootverbose) 603162321Sglebius device_printf(sc->my_dev, 604162321Sglebius "100Mbps full-duplex mode supported\n"); 60593746Sjulian ifp->if_baudrate = 100000000; 60693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 60793746Sjulian 0, NULL); 60893746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 60993746Sjulian } 61093746Sjulian /* Some also support 100BaseT4. */ 61193746Sjulian if (bmsr & PHY_BMSR_100BT4) { 61293746Sjulian if (bootverbose) 613162321Sglebius device_printf(sc->my_dev, "100baseT4 mode supported\n"); 61493746Sjulian ifp->if_baudrate = 100000000; 61593746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_T4, 0, NULL); 61693746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_T4; 61793746Sjulian#ifdef FORCE_AUTONEG_TFOUR 61893746Sjulian if (bootverbose) 619162321Sglebius device_printf(sc->my_dev, 620162321Sglebius "forcing on autoneg support for BT4\n"); 62193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0 NULL): 62293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 62393746Sjulian#endif 62493746Sjulian } 62594863Sjulian#if 0 /* this version did not support 1000M, */ 62693746Sjulian if (sc->my_pinfo->my_vid == MarvellPHYID0) { 62793746Sjulian if (bootverbose) 628162321Sglebius device_printf(sc->my_dev, 629162321Sglebius "1000Mbps half-duplex mode supported\n"); 63093746Sjulian 63193746Sjulian ifp->if_baudrate = 1000000000; 63295673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T, 0, NULL); 63395673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_HDX, 63493746Sjulian 0, NULL); 63593746Sjulian if (bootverbose) 636162321Sglebius device_printf(sc->my_dev, 637162321Sglebius "1000Mbps full-duplex mode supported\n"); 63893746Sjulian ifp->if_baudrate = 1000000000; 63995673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 64093746Sjulian 0, NULL); 64195673Sphk sc->ifmedia.ifm_media = IFM_ETHER | IFM_1000_T | IFM_FDX; 64293746Sjulian } 64393746Sjulian#endif 64493746Sjulian if (bmsr & PHY_BMSR_CANAUTONEG) { 64593746Sjulian if (bootverbose) 646162321Sglebius device_printf(sc->my_dev, "autoneg supported\n"); 64793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 64893746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 64993746Sjulian } 65093746Sjulian return; 65193746Sjulian} 65293746Sjulian 65393746Sjulian/* 65493746Sjulian * Set speed and duplex mode. 65593746Sjulian */ 65693746Sjulianstatic void 65793746Sjulianmy_setmode_mii(struct my_softc * sc, int media) 65893746Sjulian{ 65993746Sjulian u_int16_t bmcr; 66093746Sjulian struct ifnet *ifp; 66193746Sjulian 662149151Sjhb MY_LOCK_ASSERT(sc); 663147256Sbrooks ifp = sc->my_ifp; 66493746Sjulian /* 66593746Sjulian * If an autoneg session is in progress, stop it. 66693746Sjulian */ 66793746Sjulian if (sc->my_autoneg) { 668162321Sglebius device_printf(sc->my_dev, "canceling autoneg session\n"); 66993746Sjulian ifp->if_timer = sc->my_autoneg = sc->my_want_auto = 0; 67093746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 67193746Sjulian bmcr &= ~PHY_BMCR_AUTONEGENBL; 67293746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 67393746Sjulian } 674162321Sglebius device_printf(sc->my_dev, "selecting MII, "); 67593746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 67693746Sjulian bmcr &= ~(PHY_BMCR_AUTONEGENBL | PHY_BMCR_SPEEDSEL | PHY_BMCR_1000 | 67793746Sjulian PHY_BMCR_DUPLEX | PHY_BMCR_LOOPBK); 67894863Sjulian 67994863Sjulian#if 0 /* this version did not support 1000M, */ 68095673Sphk if (IFM_SUBTYPE(media) == IFM_1000_T) { 68193746Sjulian printf("1000Mbps/T4, half-duplex\n"); 68293746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 68393746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 68493746Sjulian bmcr |= PHY_BMCR_1000; 68593746Sjulian } 68693746Sjulian#endif 68793746Sjulian if (IFM_SUBTYPE(media) == IFM_100_T4) { 68893746Sjulian printf("100Mbps/T4, half-duplex\n"); 68993746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 69093746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 69193746Sjulian } 69293746Sjulian if (IFM_SUBTYPE(media) == IFM_100_TX) { 69393746Sjulian printf("100Mbps, "); 69493746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 69593746Sjulian } 69693746Sjulian if (IFM_SUBTYPE(media) == IFM_10_T) { 69793746Sjulian printf("10Mbps, "); 69893746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 69993746Sjulian } 70093746Sjulian if ((media & IFM_GMASK) == IFM_FDX) { 70193746Sjulian printf("full duplex\n"); 70293746Sjulian bmcr |= PHY_BMCR_DUPLEX; 70393746Sjulian } else { 70493746Sjulian printf("half duplex\n"); 70593746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 70693746Sjulian } 70793746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 70893746Sjulian my_setcfg(sc, bmcr); 70993746Sjulian return; 71093746Sjulian} 71193746Sjulian 71293746Sjulian/* 71393746Sjulian * The Myson manual states that in order to fiddle with the 'full-duplex' and 71493746Sjulian * '100Mbps' bits in the netconfig register, we first have to put the 71593746Sjulian * transmit and/or receive logic in the idle state. 71693746Sjulian */ 71793746Sjulianstatic void 71893746Sjulianmy_setcfg(struct my_softc * sc, int bmcr) 71993746Sjulian{ 72093746Sjulian int i, restart = 0; 72193746Sjulian 722149151Sjhb MY_LOCK_ASSERT(sc); 72393746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & (MY_TE | MY_RE)) { 72493746Sjulian restart = 1; 72593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_TE | MY_RE)); 72693746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 72793746Sjulian DELAY(10); 72893746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & 72993746Sjulian (MY_TXRUN | MY_RXRUN))) 73093746Sjulian break; 73193746Sjulian } 73293746Sjulian if (i == MY_TIMEOUT) 733162321Sglebius device_printf(sc->my_dev, 734148945Sjhb "failed to force tx and rx to idle \n"); 73593746Sjulian } 73693746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS1000); 73793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS10); 73893746Sjulian if (bmcr & PHY_BMCR_1000) 73993746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS1000); 74093746Sjulian else if (!(bmcr & PHY_BMCR_SPEEDSEL)) 74193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS10); 74293746Sjulian if (bmcr & PHY_BMCR_DUPLEX) 74393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_FD); 74493746Sjulian else 74593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_FD); 74693746Sjulian if (restart) 74793746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE | MY_RE); 74893746Sjulian return; 74993746Sjulian} 75093746Sjulian 75193746Sjulianstatic void 75293746Sjulianmy_reset(struct my_softc * sc) 75393746Sjulian{ 75493746Sjulian register int i; 75593746Sjulian 756149151Sjhb MY_LOCK_ASSERT(sc); 75793746Sjulian MY_SETBIT(sc, MY_BCR, MY_SWR); 75893746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 75993746Sjulian DELAY(10); 76093746Sjulian if (!(CSR_READ_4(sc, MY_BCR) & MY_SWR)) 76193746Sjulian break; 76293746Sjulian } 76393746Sjulian if (i == MY_TIMEOUT) 764162321Sglebius device_printf(sc->my_dev, "reset never completed!\n"); 76593746Sjulian 76693746Sjulian /* Wait a little while for the chip to get its brains in order. */ 76793746Sjulian DELAY(1000); 76893746Sjulian return; 76993746Sjulian} 77093746Sjulian 77193746Sjulian/* 77293746Sjulian * Probe for a Myson chip. Check the PCI vendor and device IDs against our 77393746Sjulian * list and return a device name if we find a match. 77493746Sjulian */ 77593746Sjulianstatic int 77693746Sjulianmy_probe(device_t dev) 77793746Sjulian{ 77893746Sjulian struct my_type *t; 77993746Sjulian 78093746Sjulian t = my_devs; 78193746Sjulian while (t->my_name != NULL) { 78293746Sjulian if ((pci_get_vendor(dev) == t->my_vid) && 78393746Sjulian (pci_get_device(dev) == t->my_did)) { 78493746Sjulian device_set_desc(dev, t->my_name); 78593746Sjulian my_info_tmp = t; 786143158Simp return (BUS_PROBE_DEFAULT); 78793746Sjulian } 78893746Sjulian t++; 78993746Sjulian } 79093746Sjulian return (ENXIO); 79193746Sjulian} 79293746Sjulian 79393746Sjulian/* 79493746Sjulian * Attach the interface. Allocate softc structures, do ifmedia setup and 79593746Sjulian * ethernet/BPF attach. 79693746Sjulian */ 79793746Sjulianstatic int 79893746Sjulianmy_attach(device_t dev) 79993746Sjulian{ 800149151Sjhb int i; 80193746Sjulian u_char eaddr[ETHER_ADDR_LEN]; 802148946Sjhb u_int32_t iobase; 80393746Sjulian struct my_softc *sc; 80493746Sjulian struct ifnet *ifp; 80593746Sjulian int media = IFM_ETHER | IFM_100_TX | IFM_FDX; 80693746Sjulian unsigned int round; 80793746Sjulian caddr_t roundptr; 80893746Sjulian struct my_type *p; 80993746Sjulian u_int16_t phy_vid, phy_did, phy_sts = 0; 810148945Sjhb int rid, error = 0; 81193746Sjulian 81293746Sjulian sc = device_get_softc(dev); 813162321Sglebius sc->my_dev = dev; 81495803Sjulian mtx_init(&sc->my_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 815149151Sjhb MTX_DEF); 81693746Sjulian 81793746Sjulian /* 81893746Sjulian * Map control/status registers. 81993746Sjulian */ 820148946Sjhb pci_enable_busmaster(dev); 82193746Sjulian 82293746Sjulian if (my_info_tmp->my_did == MTD800ID) { 82393746Sjulian iobase = pci_read_config(dev, MY_PCI_LOIO, 4); 82493746Sjulian if (iobase & 0x300) 82593746Sjulian MY_USEIOSPACE = 0; 82693746Sjulian } 82793746Sjulian 82893746Sjulian rid = MY_RID; 829127135Snjl sc->my_res = bus_alloc_resource_any(dev, MY_RES, &rid, RF_ACTIVE); 83093746Sjulian 83193746Sjulian if (sc->my_res == NULL) { 832148945Sjhb device_printf(dev, "couldn't map ports/memory\n"); 83393746Sjulian error = ENXIO; 834149151Sjhb goto destroy_mutex; 83593746Sjulian } 83693746Sjulian sc->my_btag = rman_get_bustag(sc->my_res); 83793746Sjulian sc->my_bhandle = rman_get_bushandle(sc->my_res); 83893746Sjulian 83993746Sjulian rid = 0; 840127135Snjl sc->my_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 841127135Snjl RF_SHAREABLE | RF_ACTIVE); 84293746Sjulian 84393746Sjulian if (sc->my_irq == NULL) { 844148945Sjhb device_printf(dev, "couldn't map interrupt\n"); 84593746Sjulian error = ENXIO; 846149151Sjhb goto release_io; 84793746Sjulian } 84893746Sjulian 84993746Sjulian sc->my_info = my_info_tmp; 85093746Sjulian 85193746Sjulian /* Reset the adapter. */ 852149151Sjhb MY_LOCK(sc); 85393746Sjulian my_reset(sc); 854149151Sjhb MY_UNLOCK(sc); 85593746Sjulian 85693746Sjulian /* 85793746Sjulian * Get station address 85893746Sjulian */ 85993746Sjulian for (i = 0; i < ETHER_ADDR_LEN; ++i) 86093746Sjulian eaddr[i] = CSR_READ_1(sc, MY_PAR0 + i); 86193746Sjulian 86293746Sjulian sc->my_ldata_ptr = malloc(sizeof(struct my_list_data) + 8, 86393746Sjulian M_DEVBUF, M_NOWAIT); 86493746Sjulian if (sc->my_ldata_ptr == NULL) { 865148945Sjhb device_printf(dev, "no memory for list buffers!\n"); 86693746Sjulian error = ENXIO; 867149151Sjhb goto release_irq; 86893746Sjulian } 86993746Sjulian sc->my_ldata = (struct my_list_data *) sc->my_ldata_ptr; 870106588Sjhb round = (uintptr_t)sc->my_ldata_ptr & 0xF; 87193746Sjulian roundptr = sc->my_ldata_ptr; 87293746Sjulian for (i = 0; i < 8; i++) { 87393746Sjulian if (round % 8) { 87493746Sjulian round++; 87593746Sjulian roundptr++; 87693746Sjulian } else 87793746Sjulian break; 87893746Sjulian } 87993746Sjulian sc->my_ldata = (struct my_list_data *) roundptr; 88093746Sjulian bzero(sc->my_ldata, sizeof(struct my_list_data)); 88193746Sjulian 882147256Sbrooks ifp = sc->my_ifp = if_alloc(IFT_ETHER); 883147256Sbrooks if (ifp == NULL) { 884147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 885147256Sbrooks error = ENOSPC; 886149151Sjhb goto free_ldata; 887147256Sbrooks } 88893746Sjulian ifp->if_softc = sc; 889121816Sbrooks if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 89093746Sjulian ifp->if_mtu = ETHERMTU; 89193746Sjulian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 89293746Sjulian ifp->if_ioctl = my_ioctl; 89393746Sjulian ifp->if_start = my_start; 89493746Sjulian ifp->if_watchdog = my_watchdog; 89593746Sjulian ifp->if_init = my_init; 89693746Sjulian ifp->if_baudrate = 10000000; 897159291Sbrueffer IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 898159291Sbrueffer ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 899159291Sbrueffer IFQ_SET_READY(&ifp->if_snd); 90093746Sjulian 90193746Sjulian if (sc->my_info->my_did == MTD803ID) 90293746Sjulian sc->my_pinfo = my_phys; 90393746Sjulian else { 90493746Sjulian if (bootverbose) 905148945Sjhb device_printf(dev, "probing for a PHY\n"); 906149151Sjhb MY_LOCK(sc); 90793746Sjulian for (i = MY_PHYADDR_MIN; i < MY_PHYADDR_MAX + 1; i++) { 90893746Sjulian if (bootverbose) 909148945Sjhb device_printf(dev, "checking address: %d\n", i); 91093746Sjulian sc->my_phy_addr = i; 91193746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 91293746Sjulian if ((phy_sts != 0) && (phy_sts != 0xffff)) 91393746Sjulian break; 91493746Sjulian else 91593746Sjulian phy_sts = 0; 91693746Sjulian } 91793746Sjulian if (phy_sts) { 91893746Sjulian phy_vid = my_phy_readreg(sc, PHY_VENID); 91993746Sjulian phy_did = my_phy_readreg(sc, PHY_DEVID); 92093746Sjulian if (bootverbose) { 921148945Sjhb device_printf(dev, "found PHY at address %d, ", 922148945Sjhb sc->my_phy_addr); 92393746Sjulian printf("vendor id: %x device id: %x\n", 92493746Sjulian phy_vid, phy_did); 92593746Sjulian } 92693746Sjulian p = my_phys; 92793746Sjulian while (p->my_vid) { 92893746Sjulian if (phy_vid == p->my_vid) { 92993746Sjulian sc->my_pinfo = p; 93093746Sjulian break; 93193746Sjulian } 93293746Sjulian p++; 93393746Sjulian } 93493746Sjulian if (sc->my_pinfo == NULL) 93593746Sjulian sc->my_pinfo = &my_phys[PHY_UNKNOWN]; 93693746Sjulian if (bootverbose) 937148945Sjhb device_printf(dev, "PHY type: %s\n", 938148945Sjhb sc->my_pinfo->my_name); 93993746Sjulian } else { 940149151Sjhb MY_UNLOCK(sc); 941148945Sjhb device_printf(dev, "MII without any phy!\n"); 94293746Sjulian error = ENXIO; 943149151Sjhb goto free_if; 94493746Sjulian } 945149151Sjhb MY_UNLOCK(sc); 94693746Sjulian } 94793746Sjulian 94893746Sjulian /* Do ifmedia setup. */ 94993746Sjulian ifmedia_init(&sc->ifmedia, 0, my_ifmedia_upd, my_ifmedia_sts); 950149151Sjhb MY_LOCK(sc); 95193746Sjulian my_getmode_mii(sc); 95293746Sjulian my_autoneg_mii(sc, MY_FLAG_FORCEDELAY, 1); 95393746Sjulian media = sc->ifmedia.ifm_media; 95493746Sjulian my_stop(sc); 955149151Sjhb MY_UNLOCK(sc); 95693746Sjulian ifmedia_set(&sc->ifmedia, media); 95793746Sjulian 958106937Ssam ether_ifattach(ifp, eaddr); 959149151Sjhb 960149151Sjhb error = bus_setup_intr(dev, sc->my_irq, INTR_TYPE_NET | INTR_MPSAFE, 961166901Spiso NULL, my_intr, sc, &sc->my_intrhand); 962149151Sjhb 963149151Sjhb if (error) { 964149151Sjhb device_printf(dev, "couldn't set up irq\n"); 965149151Sjhb goto detach_if; 966149151Sjhb } 96793746Sjulian 96893746Sjulian return (0); 96993746Sjulian 970149151Sjhbdetach_if: 971149151Sjhb ether_ifdetach(ifp); 972149151Sjhbfree_if: 973149151Sjhb if_free(ifp); 974149151Sjhbfree_ldata: 975149151Sjhb free(sc->my_ldata_ptr, M_DEVBUF); 976149151Sjhbrelease_irq: 977149151Sjhb bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 978149151Sjhbrelease_io: 979149151Sjhb bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 980149151Sjhbdestroy_mutex: 98193746Sjulian mtx_destroy(&sc->my_mtx); 98293746Sjulian return (error); 98393746Sjulian} 98493746Sjulian 98593746Sjulianstatic int 98693746Sjulianmy_detach(device_t dev) 98793746Sjulian{ 98893746Sjulian struct my_softc *sc; 98993746Sjulian struct ifnet *ifp; 99093746Sjulian 99193746Sjulian sc = device_get_softc(dev); 99293746Sjulian MY_LOCK(sc); 993149151Sjhb my_stop(sc); 994149151Sjhb MY_UNLOCK(sc); 995149151Sjhb bus_teardown_intr(dev, sc->my_irq, sc->my_intrhand); 996149151Sjhb 997147256Sbrooks ifp = sc->my_ifp; 998106937Ssam ether_ifdetach(ifp); 999147256Sbrooks if_free(ifp); 1000149151Sjhb free(sc->my_ldata_ptr, M_DEVBUF); 100193746Sjulian 100293746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 100393746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 100493746Sjulian mtx_destroy(&sc->my_mtx); 100593746Sjulian return (0); 100693746Sjulian} 100793746Sjulian 100893746Sjulian 100993746Sjulian/* 101093746Sjulian * Initialize the transmit descriptors. 101193746Sjulian */ 101293746Sjulianstatic int 101393746Sjulianmy_list_tx_init(struct my_softc * sc) 101493746Sjulian{ 101593746Sjulian struct my_chain_data *cd; 101693746Sjulian struct my_list_data *ld; 101793746Sjulian int i; 101893746Sjulian 1019149151Sjhb MY_LOCK_ASSERT(sc); 102093746Sjulian cd = &sc->my_cdata; 102193746Sjulian ld = sc->my_ldata; 102293746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 102393746Sjulian cd->my_tx_chain[i].my_ptr = &ld->my_tx_list[i]; 102493746Sjulian if (i == (MY_TX_LIST_CNT - 1)) 102593746Sjulian cd->my_tx_chain[i].my_nextdesc = &cd->my_tx_chain[0]; 102693746Sjulian else 102793746Sjulian cd->my_tx_chain[i].my_nextdesc = 102893746Sjulian &cd->my_tx_chain[i + 1]; 102993746Sjulian } 103093746Sjulian cd->my_tx_free = &cd->my_tx_chain[0]; 103193746Sjulian cd->my_tx_tail = cd->my_tx_head = NULL; 103293746Sjulian return (0); 103393746Sjulian} 103493746Sjulian 103593746Sjulian/* 103693746Sjulian * Initialize the RX descriptors and allocate mbufs for them. Note that we 103793746Sjulian * arrange the descriptors in a closed ring, so that the last descriptor 103893746Sjulian * points back to the first. 103993746Sjulian */ 104093746Sjulianstatic int 104193746Sjulianmy_list_rx_init(struct my_softc * sc) 104293746Sjulian{ 104393746Sjulian struct my_chain_data *cd; 104493746Sjulian struct my_list_data *ld; 104593746Sjulian int i; 104693746Sjulian 1047149151Sjhb MY_LOCK_ASSERT(sc); 104893746Sjulian cd = &sc->my_cdata; 104993746Sjulian ld = sc->my_ldata; 105093746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 105193746Sjulian cd->my_rx_chain[i].my_ptr = 105293746Sjulian (struct my_desc *) & ld->my_rx_list[i]; 105397641Sjulian if (my_newbuf(sc, &cd->my_rx_chain[i]) == ENOBUFS) { 105497641Sjulian MY_UNLOCK(sc); 105593746Sjulian return (ENOBUFS); 105697641Sjulian } 105793746Sjulian if (i == (MY_RX_LIST_CNT - 1)) { 105893746Sjulian cd->my_rx_chain[i].my_nextdesc = &cd->my_rx_chain[0]; 105993746Sjulian ld->my_rx_list[i].my_next = vtophys(&ld->my_rx_list[0]); 106093746Sjulian } else { 106193746Sjulian cd->my_rx_chain[i].my_nextdesc = 106293746Sjulian &cd->my_rx_chain[i + 1]; 106393746Sjulian ld->my_rx_list[i].my_next = 106493746Sjulian vtophys(&ld->my_rx_list[i + 1]); 106593746Sjulian } 106693746Sjulian } 106793746Sjulian cd->my_rx_head = &cd->my_rx_chain[0]; 106893746Sjulian return (0); 106993746Sjulian} 107093746Sjulian 107193746Sjulian/* 107293746Sjulian * Initialize an RX descriptor and attach an MBUF cluster. 107393746Sjulian */ 107493746Sjulianstatic int 107593746Sjulianmy_newbuf(struct my_softc * sc, struct my_chain_onefrag * c) 107693746Sjulian{ 107793746Sjulian struct mbuf *m_new = NULL; 107893746Sjulian 1079149151Sjhb MY_LOCK_ASSERT(sc); 1080111119Simp MGETHDR(m_new, M_DONTWAIT, MT_DATA); 108193746Sjulian if (m_new == NULL) { 1082162321Sglebius device_printf(sc->my_dev, 1083148945Sjhb "no memory for rx list -- packet dropped!\n"); 108493746Sjulian return (ENOBUFS); 108593746Sjulian } 1086111119Simp MCLGET(m_new, M_DONTWAIT); 108793746Sjulian if (!(m_new->m_flags & M_EXT)) { 1088162321Sglebius device_printf(sc->my_dev, 1089148945Sjhb "no memory for rx list -- packet dropped!\n"); 109093746Sjulian m_freem(m_new); 109193746Sjulian return (ENOBUFS); 109293746Sjulian } 109393746Sjulian c->my_mbuf = m_new; 109493746Sjulian c->my_ptr->my_data = vtophys(mtod(m_new, caddr_t)); 109593746Sjulian c->my_ptr->my_ctl = (MCLBYTES - 1) << MY_RBSShift; 109693746Sjulian c->my_ptr->my_status = MY_OWNByNIC; 109793746Sjulian return (0); 109893746Sjulian} 109993746Sjulian 110093746Sjulian/* 110193746Sjulian * A frame has been uploaded: pass the resulting mbuf chain up to the higher 110293746Sjulian * level protocols. 110393746Sjulian */ 110493746Sjulianstatic void 110593746Sjulianmy_rxeof(struct my_softc * sc) 110693746Sjulian{ 110793746Sjulian struct ether_header *eh; 110893746Sjulian struct mbuf *m; 110993746Sjulian struct ifnet *ifp; 111093746Sjulian struct my_chain_onefrag *cur_rx; 111193746Sjulian int total_len = 0; 111293746Sjulian u_int32_t rxstat; 111393746Sjulian 1114149151Sjhb MY_LOCK_ASSERT(sc); 1115147256Sbrooks ifp = sc->my_ifp; 111693746Sjulian while (!((rxstat = sc->my_cdata.my_rx_head->my_ptr->my_status) 111793746Sjulian & MY_OWNByNIC)) { 111893746Sjulian cur_rx = sc->my_cdata.my_rx_head; 111993746Sjulian sc->my_cdata.my_rx_head = cur_rx->my_nextdesc; 112093746Sjulian 112193746Sjulian if (rxstat & MY_ES) { /* error summary: give up this rx pkt */ 112293746Sjulian ifp->if_ierrors++; 112393746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 112493746Sjulian continue; 112593746Sjulian } 112693746Sjulian /* No errors; receive the packet. */ 112793746Sjulian total_len = (rxstat & MY_FLNGMASK) >> MY_FLNGShift; 112893746Sjulian total_len -= ETHER_CRC_LEN; 112993746Sjulian 113093746Sjulian if (total_len < MINCLSIZE) { 113193746Sjulian m = m_devget(mtod(cur_rx->my_mbuf, char *), 113293746Sjulian total_len, 0, ifp, NULL); 113393746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 113493746Sjulian if (m == NULL) { 113593746Sjulian ifp->if_ierrors++; 113693746Sjulian continue; 113793746Sjulian } 113893746Sjulian } else { 113993746Sjulian m = cur_rx->my_mbuf; 114093746Sjulian /* 114193746Sjulian * Try to conjure up a new mbuf cluster. If that 114293746Sjulian * fails, it means we have an out of memory condition 114393746Sjulian * and should leave the buffer in place and continue. 114493746Sjulian * This will result in a lost packet, but there's 114593746Sjulian * little else we can do in this situation. 114693746Sjulian */ 114793746Sjulian if (my_newbuf(sc, cur_rx) == ENOBUFS) { 114893746Sjulian ifp->if_ierrors++; 114993746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 115093746Sjulian continue; 115193746Sjulian } 115293746Sjulian m->m_pkthdr.rcvif = ifp; 115393746Sjulian m->m_pkthdr.len = m->m_len = total_len; 115493746Sjulian } 115593746Sjulian ifp->if_ipackets++; 115693746Sjulian eh = mtod(m, struct ether_header *); 115793746Sjulian#if NBPFILTER > 0 115893746Sjulian /* 115993746Sjulian * Handle BPF listeners. Let the BPF user see the packet, but 116093746Sjulian * don't pass it up to the ether_input() layer unless it's a 116193746Sjulian * broadcast packet, multicast packet, matches our ethernet 116293746Sjulian * address or the interface is in promiscuous mode. 116393746Sjulian */ 1164165632Sjhb if (bpf_peers_present(ifp->if_bpf)) { 1165165640Sjhb bpf_mtap(ifp->if_bpf, m); 116693746Sjulian if (ifp->if_flags & IFF_PROMISC && 1167152315Sru (bcmp(eh->ether_dhost, IF_LLADDR(sc->my_ifp), 116893746Sjulian ETHER_ADDR_LEN) && 116993746Sjulian (eh->ether_dhost[0] & 1) == 0)) { 117093746Sjulian m_freem(m); 117193746Sjulian continue; 117293746Sjulian } 117393746Sjulian } 117493746Sjulian#endif 1175122689Ssam MY_UNLOCK(sc); 1176106937Ssam (*ifp->if_input)(ifp, m); 1177122689Ssam MY_LOCK(sc); 117893746Sjulian } 117993746Sjulian return; 118093746Sjulian} 118193746Sjulian 118293746Sjulian 118393746Sjulian/* 118493746Sjulian * A frame was downloaded to the chip. It's safe for us to clean up the list 118593746Sjulian * buffers. 118693746Sjulian */ 118793746Sjulianstatic void 118893746Sjulianmy_txeof(struct my_softc * sc) 118993746Sjulian{ 119093746Sjulian struct my_chain *cur_tx; 119193746Sjulian struct ifnet *ifp; 119293746Sjulian 1193149151Sjhb MY_LOCK_ASSERT(sc); 1194147256Sbrooks ifp = sc->my_ifp; 119593746Sjulian /* Clear the timeout timer. */ 119693746Sjulian ifp->if_timer = 0; 119795939Sjulian if (sc->my_cdata.my_tx_head == NULL) { 119893746Sjulian return; 119995939Sjulian } 120093746Sjulian /* 120193746Sjulian * Go through our tx list and free mbufs for those frames that have 120293746Sjulian * been transmitted. 120393746Sjulian */ 120493746Sjulian while (sc->my_cdata.my_tx_head->my_mbuf != NULL) { 120593746Sjulian u_int32_t txstat; 120693746Sjulian 120793746Sjulian cur_tx = sc->my_cdata.my_tx_head; 120893746Sjulian txstat = MY_TXSTATUS(cur_tx); 120993746Sjulian if ((txstat & MY_OWNByNIC) || txstat == MY_UNSENT) 121093746Sjulian break; 121193746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced)) { 121293746Sjulian if (txstat & MY_TXERR) { 121393746Sjulian ifp->if_oerrors++; 121493746Sjulian if (txstat & MY_EC) /* excessive collision */ 121593746Sjulian ifp->if_collisions++; 121693746Sjulian if (txstat & MY_LC) /* late collision */ 121793746Sjulian ifp->if_collisions++; 121893746Sjulian } 121993746Sjulian ifp->if_collisions += (txstat & MY_NCRMASK) >> 122093746Sjulian MY_NCRShift; 122193746Sjulian } 122293746Sjulian ifp->if_opackets++; 122393746Sjulian m_freem(cur_tx->my_mbuf); 122493746Sjulian cur_tx->my_mbuf = NULL; 122593746Sjulian if (sc->my_cdata.my_tx_head == sc->my_cdata.my_tx_tail) { 122693746Sjulian sc->my_cdata.my_tx_head = NULL; 122793746Sjulian sc->my_cdata.my_tx_tail = NULL; 122893746Sjulian break; 122993746Sjulian } 123093746Sjulian sc->my_cdata.my_tx_head = cur_tx->my_nextdesc; 123193746Sjulian } 123293746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced) { 123393746Sjulian ifp->if_collisions += (CSR_READ_4(sc, MY_TSR) & MY_NCRMask); 123493746Sjulian } 123593746Sjulian return; 123693746Sjulian} 123793746Sjulian 123893746Sjulian/* 123993746Sjulian * TX 'end of channel' interrupt handler. 124093746Sjulian */ 124193746Sjulianstatic void 124293746Sjulianmy_txeoc(struct my_softc * sc) 124393746Sjulian{ 124493746Sjulian struct ifnet *ifp; 124593746Sjulian 1246149151Sjhb MY_LOCK_ASSERT(sc); 1247147256Sbrooks ifp = sc->my_ifp; 124893746Sjulian ifp->if_timer = 0; 124993746Sjulian if (sc->my_cdata.my_tx_head == NULL) { 1250148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 125193746Sjulian sc->my_cdata.my_tx_tail = NULL; 125293746Sjulian if (sc->my_want_auto) 125393746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 125493746Sjulian } else { 125593746Sjulian if (MY_TXOWN(sc->my_cdata.my_tx_head) == MY_UNSENT) { 125693746Sjulian MY_TXOWN(sc->my_cdata.my_tx_head) = MY_OWNByNIC; 125793746Sjulian ifp->if_timer = 5; 125893746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); 125993746Sjulian } 126093746Sjulian } 126193746Sjulian return; 126293746Sjulian} 126393746Sjulian 126493746Sjulianstatic void 126593746Sjulianmy_intr(void *arg) 126693746Sjulian{ 126793746Sjulian struct my_softc *sc; 126893746Sjulian struct ifnet *ifp; 126993746Sjulian u_int32_t status; 127093746Sjulian 127193746Sjulian sc = arg; 127293746Sjulian MY_LOCK(sc); 1273147256Sbrooks ifp = sc->my_ifp; 127493746Sjulian if (!(ifp->if_flags & IFF_UP)) { 127593746Sjulian MY_UNLOCK(sc); 127693746Sjulian return; 127793746Sjulian } 127893746Sjulian /* Disable interrupts. */ 127993746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 128093746Sjulian 128193746Sjulian for (;;) { 128293746Sjulian status = CSR_READ_4(sc, MY_ISR); 128393746Sjulian status &= MY_INTRS; 128493746Sjulian if (status) 128593746Sjulian CSR_WRITE_4(sc, MY_ISR, status); 128693746Sjulian else 128793746Sjulian break; 128893746Sjulian 128993746Sjulian if (status & MY_RI) /* receive interrupt */ 129093746Sjulian my_rxeof(sc); 129193746Sjulian 129293746Sjulian if ((status & MY_RBU) || (status & MY_RxErr)) { 129393746Sjulian /* rx buffer unavailable or rx error */ 129493746Sjulian ifp->if_ierrors++; 129593746Sjulian#ifdef foo 129693746Sjulian my_stop(sc); 129793746Sjulian my_reset(sc); 1298149151Sjhb my_init_locked(sc); 129993746Sjulian#endif 130093746Sjulian } 130193746Sjulian if (status & MY_TI) /* tx interrupt */ 130293746Sjulian my_txeof(sc); 130393746Sjulian if (status & MY_ETI) /* tx early interrupt */ 130493746Sjulian my_txeof(sc); 130593746Sjulian if (status & MY_TBU) /* tx buffer unavailable */ 130693746Sjulian my_txeoc(sc); 130794863Sjulian 130894863Sjulian#if 0 /* 90/1/18 delete */ 130994863Sjulian if (status & MY_FBE) { 131094863Sjulian my_reset(sc); 1311149151Sjhb my_init_locked(sc); 131294863Sjulian } 131394863Sjulian#endif 131494863Sjulian 131593746Sjulian } 131693746Sjulian 131793746Sjulian /* Re-enable interrupts. */ 131893746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 1319159291Sbrueffer if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1320149151Sjhb my_start_locked(ifp); 132193746Sjulian MY_UNLOCK(sc); 132293746Sjulian return; 132393746Sjulian} 132493746Sjulian 132593746Sjulian/* 132693746Sjulian * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data 132793746Sjulian * pointers to the fragment pointers. 132893746Sjulian */ 132993746Sjulianstatic int 133093746Sjulianmy_encap(struct my_softc * sc, struct my_chain * c, struct mbuf * m_head) 133193746Sjulian{ 133293746Sjulian struct my_desc *f = NULL; 133393746Sjulian int total_len; 133493746Sjulian struct mbuf *m, *m_new = NULL; 133593746Sjulian 1336149151Sjhb MY_LOCK_ASSERT(sc); 133793746Sjulian /* calculate the total tx pkt length */ 133893746Sjulian total_len = 0; 133993746Sjulian for (m = m_head; m != NULL; m = m->m_next) 134093746Sjulian total_len += m->m_len; 134193746Sjulian /* 134293746Sjulian * Start packing the mbufs in this chain into the fragment pointers. 134393746Sjulian * Stop when we run out of fragments or hit the end of the mbuf 134493746Sjulian * chain. 134593746Sjulian */ 134693746Sjulian m = m_head; 1347111119Simp MGETHDR(m_new, M_DONTWAIT, MT_DATA); 134893746Sjulian if (m_new == NULL) { 1349162321Sglebius device_printf(sc->my_dev, "no memory for tx list"); 135093746Sjulian return (1); 135193746Sjulian } 135293746Sjulian if (m_head->m_pkthdr.len > MHLEN) { 1353111119Simp MCLGET(m_new, M_DONTWAIT); 135493746Sjulian if (!(m_new->m_flags & M_EXT)) { 135593746Sjulian m_freem(m_new); 1356162321Sglebius device_printf(sc->my_dev, "no memory for tx list"); 135793746Sjulian return (1); 135893746Sjulian } 135993746Sjulian } 136093746Sjulian m_copydata(m_head, 0, m_head->m_pkthdr.len, mtod(m_new, caddr_t)); 136193746Sjulian m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len; 136293746Sjulian m_freem(m_head); 136393746Sjulian m_head = m_new; 136493746Sjulian f = &c->my_ptr->my_frag[0]; 136593746Sjulian f->my_status = 0; 136693746Sjulian f->my_data = vtophys(mtod(m_new, caddr_t)); 136793746Sjulian total_len = m_new->m_len; 136893746Sjulian f->my_ctl = MY_TXFD | MY_TXLD | MY_CRCEnable | MY_PADEnable; 136993746Sjulian f->my_ctl |= total_len << MY_PKTShift; /* pkt size */ 137093746Sjulian f->my_ctl |= total_len; /* buffer size */ 137194904Sjulian /* 89/12/29 add, for mtd891 *//* [ 89? ] */ 137293746Sjulian if (sc->my_info->my_did == MTD891ID) 137393746Sjulian f->my_ctl |= MY_ETIControl | MY_RetryTxLC; 137493746Sjulian c->my_mbuf = m_head; 137593746Sjulian c->my_lastdesc = 0; 137693746Sjulian MY_TXNEXT(c) = vtophys(&c->my_nextdesc->my_ptr->my_frag[0]); 137793746Sjulian return (0); 137893746Sjulian} 137993746Sjulian 138093746Sjulian/* 138193746Sjulian * Main transmit routine. To avoid having to do mbuf copies, we put pointers 138293746Sjulian * to the mbuf data regions directly in the transmit lists. We also save a 138393746Sjulian * copy of the pointers since the transmit list fragment pointers are 138493746Sjulian * physical addresses. 138593746Sjulian */ 138693746Sjulianstatic void 138793746Sjulianmy_start(struct ifnet * ifp) 138893746Sjulian{ 138993746Sjulian struct my_softc *sc; 1390149151Sjhb 1391149151Sjhb sc = ifp->if_softc; 1392149151Sjhb MY_LOCK(sc); 1393149151Sjhb my_start_locked(ifp); 1394149151Sjhb MY_UNLOCK(sc); 1395149151Sjhb} 1396149151Sjhb 1397149151Sjhbstatic void 1398149151Sjhbmy_start_locked(struct ifnet * ifp) 1399149151Sjhb{ 1400149151Sjhb struct my_softc *sc; 140193746Sjulian struct mbuf *m_head = NULL; 140293746Sjulian struct my_chain *cur_tx = NULL, *start_tx; 140393746Sjulian 140493746Sjulian sc = ifp->if_softc; 1405149151Sjhb MY_LOCK_ASSERT(sc); 140693746Sjulian if (sc->my_autoneg) { 140793746Sjulian sc->my_tx_pend = 1; 140893746Sjulian return; 140993746Sjulian } 141093746Sjulian /* 141193746Sjulian * Check for an available queue slot. If there are none, punt. 141293746Sjulian */ 141393746Sjulian if (sc->my_cdata.my_tx_free->my_mbuf != NULL) { 1414148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 141593746Sjulian return; 141693746Sjulian } 141793746Sjulian start_tx = sc->my_cdata.my_tx_free; 141893746Sjulian while (sc->my_cdata.my_tx_free->my_mbuf == NULL) { 1419159291Sbrueffer IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head); 142093746Sjulian if (m_head == NULL) 142193746Sjulian break; 142293746Sjulian 142393746Sjulian /* Pick a descriptor off the free list. */ 142493746Sjulian cur_tx = sc->my_cdata.my_tx_free; 142593746Sjulian sc->my_cdata.my_tx_free = cur_tx->my_nextdesc; 142693746Sjulian 142793746Sjulian /* Pack the data into the descriptor. */ 142893746Sjulian my_encap(sc, cur_tx, m_head); 142993746Sjulian 143093746Sjulian if (cur_tx != start_tx) 143193746Sjulian MY_TXOWN(cur_tx) = MY_OWNByNIC; 143293746Sjulian#if NBPFILTER > 0 143393746Sjulian /* 143493746Sjulian * If there's a BPF listener, bounce a copy of this frame to 143593746Sjulian * him. 143693746Sjulian */ 1437106937Ssam BPF_MTAP(ifp, cur_tx->my_mbuf); 143893746Sjulian#endif 143993746Sjulian } 144093746Sjulian /* 144193746Sjulian * If there are no packets queued, bail. 144293746Sjulian */ 144393746Sjulian if (cur_tx == NULL) { 144493746Sjulian return; 144593746Sjulian } 144693746Sjulian /* 144793746Sjulian * Place the request for the upload interrupt in the last descriptor 144893746Sjulian * in the chain. This way, if we're chaining several packets at once, 144993746Sjulian * we'll only get an interupt once for the whole chain rather than 145093746Sjulian * once for each packet. 145193746Sjulian */ 145293746Sjulian MY_TXCTL(cur_tx) |= MY_TXIC; 145393746Sjulian cur_tx->my_ptr->my_frag[0].my_ctl |= MY_TXIC; 145493746Sjulian sc->my_cdata.my_tx_tail = cur_tx; 145593746Sjulian if (sc->my_cdata.my_tx_head == NULL) 145693746Sjulian sc->my_cdata.my_tx_head = start_tx; 145793746Sjulian MY_TXOWN(start_tx) = MY_OWNByNIC; 145893746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); /* tx polling demand */ 145993746Sjulian 146093746Sjulian /* 146193746Sjulian * Set a timeout in case the chip goes out to lunch. 146293746Sjulian */ 146393746Sjulian ifp->if_timer = 5; 146493746Sjulian return; 146593746Sjulian} 146693746Sjulian 146793746Sjulianstatic void 146893746Sjulianmy_init(void *xsc) 146993746Sjulian{ 147093746Sjulian struct my_softc *sc = xsc; 1471149151Sjhb 1472149151Sjhb MY_LOCK(sc); 1473149151Sjhb my_init_locked(sc); 1474149151Sjhb MY_UNLOCK(sc); 1475149151Sjhb} 1476149151Sjhb 1477149151Sjhbstatic void 1478149151Sjhbmy_init_locked(struct my_softc *sc) 1479149151Sjhb{ 1480147256Sbrooks struct ifnet *ifp = sc->my_ifp; 148193746Sjulian u_int16_t phy_bmcr = 0; 148293746Sjulian 1483149151Sjhb MY_LOCK_ASSERT(sc); 148493746Sjulian if (sc->my_autoneg) { 148593746Sjulian return; 148693746Sjulian } 148793746Sjulian if (sc->my_pinfo != NULL) 148893746Sjulian phy_bmcr = my_phy_readreg(sc, PHY_BMCR); 148993746Sjulian /* 149093746Sjulian * Cancel pending I/O and free all RX/TX buffers. 149193746Sjulian */ 149293746Sjulian my_stop(sc); 149393746Sjulian my_reset(sc); 149493746Sjulian 149593746Sjulian /* 149693746Sjulian * Set cache alignment and burst length. 149793746Sjulian */ 149894863Sjulian#if 0 /* 89/9/1 modify, */ 149994863Sjulian CSR_WRITE_4(sc, MY_BCR, MY_RPBLE512); 150094863Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF); 150194863Sjulian#endif 150293746Sjulian CSR_WRITE_4(sc, MY_BCR, MY_PBL8); 150393746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF | MY_RBLEN | MY_RPBLE512); 150493746Sjulian /* 150593746Sjulian * 89/12/29 add, for mtd891, 150693746Sjulian */ 150793746Sjulian if (sc->my_info->my_did == MTD891ID) { 150893746Sjulian MY_SETBIT(sc, MY_BCR, MY_PROG); 150993746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_Enhanced); 151093746Sjulian } 151193746Sjulian my_setcfg(sc, phy_bmcr); 151293746Sjulian /* Init circular RX list. */ 151393746Sjulian if (my_list_rx_init(sc) == ENOBUFS) { 1514162321Sglebius device_printf(sc->my_dev, "init failed: no memory for rx buffers\n"); 151593746Sjulian my_stop(sc); 151693746Sjulian return; 151793746Sjulian } 151893746Sjulian /* Init TX descriptors. */ 151993746Sjulian my_list_tx_init(sc); 152093746Sjulian 152193746Sjulian /* If we want promiscuous mode, set the allframes bit. */ 152293746Sjulian if (ifp->if_flags & IFF_PROMISC) 152393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PROM); 152493746Sjulian else 152593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PROM); 152693746Sjulian 152793746Sjulian /* 152893746Sjulian * Set capture broadcast bit to capture broadcast frames. 152993746Sjulian */ 153093746Sjulian if (ifp->if_flags & IFF_BROADCAST) 153193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_AB); 153293746Sjulian else 153393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_AB); 153493746Sjulian 153593746Sjulian /* 153693746Sjulian * Program the multicast filter, if necessary. 153793746Sjulian */ 153893746Sjulian my_setmulti(sc); 153993746Sjulian 154093746Sjulian /* 154193746Sjulian * Load the address of the RX list. 154293746Sjulian */ 154393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_RE); 154493746Sjulian CSR_WRITE_4(sc, MY_RXLBA, vtophys(&sc->my_ldata->my_rx_list[0])); 154593746Sjulian 154693746Sjulian /* 154793746Sjulian * Enable interrupts. 154893746Sjulian */ 154993746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 155093746Sjulian CSR_WRITE_4(sc, MY_ISR, 0xFFFFFFFF); 155193746Sjulian 155293746Sjulian /* Enable receiver and transmitter. */ 155393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_RE); 155493746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_TE); 155593746Sjulian CSR_WRITE_4(sc, MY_TXLBA, vtophys(&sc->my_ldata->my_tx_list[0])); 155693746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE); 155793746Sjulian 155893746Sjulian /* Restore state of BMCR */ 155993746Sjulian if (sc->my_pinfo != NULL) 156093746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_bmcr); 1561148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 1562148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 156393746Sjulian return; 156493746Sjulian} 156593746Sjulian 156693746Sjulian/* 156793746Sjulian * Set media options. 156893746Sjulian */ 156993746Sjulian 157093746Sjulianstatic int 157193746Sjulianmy_ifmedia_upd(struct ifnet * ifp) 157293746Sjulian{ 157393746Sjulian struct my_softc *sc; 157493746Sjulian struct ifmedia *ifm; 157593746Sjulian 157693746Sjulian sc = ifp->if_softc; 157793746Sjulian MY_LOCK(sc); 157893746Sjulian ifm = &sc->ifmedia; 157993746Sjulian if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) { 158093746Sjulian MY_UNLOCK(sc); 158193746Sjulian return (EINVAL); 158293746Sjulian } 158393746Sjulian if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) 158493746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 158593746Sjulian else 158693746Sjulian my_setmode_mii(sc, ifm->ifm_media); 158793746Sjulian MY_UNLOCK(sc); 158893746Sjulian return (0); 158993746Sjulian} 159093746Sjulian 159193746Sjulian/* 159293746Sjulian * Report current media status. 159393746Sjulian */ 159493746Sjulian 159593746Sjulianstatic void 159693746Sjulianmy_ifmedia_sts(struct ifnet * ifp, struct ifmediareq * ifmr) 159793746Sjulian{ 159893746Sjulian struct my_softc *sc; 159993746Sjulian u_int16_t advert = 0, ability = 0; 160093746Sjulian 160193746Sjulian sc = ifp->if_softc; 160293746Sjulian MY_LOCK(sc); 160393746Sjulian ifmr->ifm_active = IFM_ETHER; 160493746Sjulian if (!(my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_AUTONEGENBL)) { 160594863Sjulian#if 0 /* this version did not support 1000M, */ 160694863Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_1000) 160794863Sjulian ifmr->ifm_active = IFM_ETHER | IFM_1000TX; 160894863Sjulian#endif 160993746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_SPEEDSEL) 161093746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX; 161193746Sjulian else 161293746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T; 161393746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_DUPLEX) 161493746Sjulian ifmr->ifm_active |= IFM_FDX; 161593746Sjulian else 161693746Sjulian ifmr->ifm_active |= IFM_HDX; 161793746Sjulian 161893746Sjulian MY_UNLOCK(sc); 161993746Sjulian return; 162093746Sjulian } 162193746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 162293746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 162393746Sjulian 162494863Sjulian#if 0 /* this version did not support 1000M, */ 162593746Sjulian if (sc->my_pinfo->my_vid = MarvellPHYID0) { 162693746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 162793746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 162893746Sjulian advert = 0; 162993746Sjulian ability = 0; 163095673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_FDX; 163193746Sjulian } else if (ability & PHY_1000SR_1000BTXHALF) { 163293746Sjulian advert = 0; 163393746Sjulian ability = 0; 163495673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_HDX; 163593746Sjulian } 163693746Sjulian } 163793746Sjulian#endif 163893746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) 163993746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_T4; 164093746Sjulian else if (advert & PHY_ANAR_100BTXFULL && ability & PHY_ANAR_100BTXFULL) 164193746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_FDX; 164293746Sjulian else if (advert & PHY_ANAR_100BTXHALF && ability & PHY_ANAR_100BTXHALF) 164393746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_HDX; 164493746Sjulian else if (advert & PHY_ANAR_10BTFULL && ability & PHY_ANAR_10BTFULL) 164593746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_FDX; 164693746Sjulian else if (advert & PHY_ANAR_10BTHALF && ability & PHY_ANAR_10BTHALF) 164793746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_HDX; 164893746Sjulian MY_UNLOCK(sc); 164993746Sjulian return; 165093746Sjulian} 165193746Sjulian 165293746Sjulianstatic int 165393746Sjulianmy_ioctl(struct ifnet * ifp, u_long command, caddr_t data) 165493746Sjulian{ 165593746Sjulian struct my_softc *sc = ifp->if_softc; 165693746Sjulian struct ifreq *ifr = (struct ifreq *) data; 1657149151Sjhb int error; 165893746Sjulian 165993746Sjulian switch (command) { 166093746Sjulian case SIOCSIFFLAGS: 1661149151Sjhb MY_LOCK(sc); 166293746Sjulian if (ifp->if_flags & IFF_UP) 1663149151Sjhb my_init_locked(sc); 1664148887Srwatson else if (ifp->if_drv_flags & IFF_DRV_RUNNING) 166593746Sjulian my_stop(sc); 1666149151Sjhb MY_UNLOCK(sc); 166793746Sjulian error = 0; 166893746Sjulian break; 166993746Sjulian case SIOCADDMULTI: 167093746Sjulian case SIOCDELMULTI: 1671149151Sjhb MY_LOCK(sc); 167293746Sjulian my_setmulti(sc); 1673149151Sjhb MY_UNLOCK(sc); 167493746Sjulian error = 0; 167593746Sjulian break; 167693746Sjulian case SIOCGIFMEDIA: 167793746Sjulian case SIOCSIFMEDIA: 167893746Sjulian error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command); 167993746Sjulian break; 168093746Sjulian default: 1681106937Ssam error = ether_ioctl(ifp, command, data); 168293746Sjulian break; 168393746Sjulian } 168493746Sjulian return (error); 168593746Sjulian} 168693746Sjulian 168793746Sjulianstatic void 168893746Sjulianmy_watchdog(struct ifnet * ifp) 168993746Sjulian{ 169093746Sjulian struct my_softc *sc; 169193746Sjulian 169293746Sjulian sc = ifp->if_softc; 169393746Sjulian MY_LOCK(sc); 169493746Sjulian if (sc->my_autoneg) { 169593746Sjulian my_autoneg_mii(sc, MY_FLAG_DELAYTIMEO, 1); 169693746Sjulian MY_UNLOCK(sc); 169793746Sjulian return; 169893746Sjulian } 169993746Sjulian ifp->if_oerrors++; 1700148945Sjhb if_printf(ifp, "watchdog timeout\n"); 170193746Sjulian if (!(my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT)) 1702148945Sjhb if_printf(ifp, "no carrier - transceiver cable problem?\n"); 170393746Sjulian my_stop(sc); 170493746Sjulian my_reset(sc); 1705149151Sjhb my_init_locked(sc); 1706159291Sbrueffer if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1707149151Sjhb my_start_locked(ifp); 170893746Sjulian MY_LOCK(sc); 170993746Sjulian return; 171093746Sjulian} 171193746Sjulian 171293746Sjulian 171393746Sjulian/* 171493746Sjulian * Stop the adapter and free any mbufs allocated to the RX and TX lists. 171593746Sjulian */ 171693746Sjulianstatic void 171793746Sjulianmy_stop(struct my_softc * sc) 171893746Sjulian{ 171993746Sjulian register int i; 172093746Sjulian struct ifnet *ifp; 172193746Sjulian 1722149151Sjhb MY_LOCK_ASSERT(sc); 1723147256Sbrooks ifp = sc->my_ifp; 172493746Sjulian ifp->if_timer = 0; 172593746Sjulian 172693746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_RE | MY_TE)); 172793746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 172893746Sjulian CSR_WRITE_4(sc, MY_TXLBA, 0x00000000); 172993746Sjulian CSR_WRITE_4(sc, MY_RXLBA, 0x00000000); 173093746Sjulian 173193746Sjulian /* 173293746Sjulian * Free data in the RX lists. 173393746Sjulian */ 173493746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 173593746Sjulian if (sc->my_cdata.my_rx_chain[i].my_mbuf != NULL) { 173693746Sjulian m_freem(sc->my_cdata.my_rx_chain[i].my_mbuf); 173793746Sjulian sc->my_cdata.my_rx_chain[i].my_mbuf = NULL; 173893746Sjulian } 173993746Sjulian } 174093746Sjulian bzero((char *)&sc->my_ldata->my_rx_list, 174193746Sjulian sizeof(sc->my_ldata->my_rx_list)); 174293746Sjulian /* 174393746Sjulian * Free the TX list buffers. 174493746Sjulian */ 174593746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 174693746Sjulian if (sc->my_cdata.my_tx_chain[i].my_mbuf != NULL) { 174793746Sjulian m_freem(sc->my_cdata.my_tx_chain[i].my_mbuf); 174893746Sjulian sc->my_cdata.my_tx_chain[i].my_mbuf = NULL; 174993746Sjulian } 175093746Sjulian } 175193746Sjulian bzero((char *)&sc->my_ldata->my_tx_list, 175293746Sjulian sizeof(sc->my_ldata->my_tx_list)); 1753148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 175493746Sjulian return; 175593746Sjulian} 175693746Sjulian 175793746Sjulian/* 175893746Sjulian * Stop all chip I/O so that the kernel's probe routines don't get confused 175993746Sjulian * by errant DMAs when rebooting. 176093746Sjulian */ 176193746Sjulianstatic void 176293746Sjulianmy_shutdown(device_t dev) 176393746Sjulian{ 176493746Sjulian struct my_softc *sc; 176593746Sjulian 176693746Sjulian sc = device_get_softc(dev); 1767149151Sjhb MY_LOCK(sc); 176893746Sjulian my_stop(sc); 1769149151Sjhb MY_UNLOCK(sc); 177093746Sjulian return; 177193746Sjulian} 1772