if_my.c revision 152315
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 152315 2005-11-11 16:04:59Z ru $"); 32113038Sobrien 3393746Sjulian#include <sys/param.h> 3493746Sjulian#include <sys/systm.h> 3593746Sjulian#include <sys/sockio.h> 3693746Sjulian#include <sys/mbuf.h> 3793746Sjulian#include <sys/malloc.h> 3893746Sjulian#include <sys/kernel.h> 3993746Sjulian#include <sys/socket.h> 4093746Sjulian#include <sys/queue.h> 4193746Sjulian#include <sys/types.h> 4293746Sjulian#include <sys/bus.h> 4393746Sjulian#include <sys/module.h> 4495807Sjulian#include <sys/lock.h> 4595807Sjulian#include <sys/mutex.h> 4693746Sjulian 4793746Sjulian#define NBPFILTER 1 4893746Sjulian 4993746Sjulian#include <net/if.h> 5093746Sjulian#include <net/if_arp.h> 5193746Sjulian#include <net/ethernet.h> 5293746Sjulian#include <net/if_media.h> 53147256Sbrooks#include <net/if_types.h> 5493746Sjulian#include <net/if_dl.h> 5593746Sjulian#include <net/bpf.h> 5693746Sjulian 5793746Sjulian#include <vm/vm.h> /* for vtophys */ 5893746Sjulian#include <vm/pmap.h> /* for vtophys */ 5993746Sjulian#include <machine/clock.h> /* for DELAY */ 6093746Sjulian#include <machine/bus.h> 6193746Sjulian#include <machine/resource.h> 6293746Sjulian#include <sys/bus.h> 6393746Sjulian#include <sys/rman.h> 6493746Sjulian 65119285Simp#include <dev/pci/pcireg.h> 66119285Simp#include <dev/pci/pcivar.h> 6793746Sjulian 6893746Sjulian#include <dev/mii/mii.h> 6993746Sjulian#include <dev/mii/miivar.h> 7093746Sjulian 7193746Sjulian#include "miibus_if.h" 7293746Sjulian 7393746Sjulian/* 7493746Sjulian * #define MY_USEIOSPACE 7593746Sjulian */ 7693746Sjulian 7793746Sjulianstatic int MY_USEIOSPACE = 1; 7893746Sjulian 7993746Sjulian#if (MY_USEIOSPACE) 8094904Sjulian#define MY_RES SYS_RES_IOPORT 8194904Sjulian#define MY_RID MY_PCI_LOIO 8293746Sjulian#else 8394904Sjulian#define MY_RES SYS_RES_MEMORY 8494904Sjulian#define MY_RID MY_PCI_LOMEM 8593746Sjulian#endif 8693746Sjulian 8793746Sjulian 8893746Sjulian#include <dev/my/if_myreg.h> 8993746Sjulian 9093746Sjulian#ifndef lint 9193746Sjulianstatic const char rcsid[] = 92119285Simp"$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 *); 130149151Sjhbstatic void my_start_locked(struct ifnet *); 13193746Sjulianstatic int my_ioctl(struct ifnet *, u_long, caddr_t); 13293746Sjulianstatic void my_init(void *); 133149151Sjhbstatic void my_init_locked(struct my_softc *); 13493746Sjulianstatic void my_stop(struct my_softc *); 13593746Sjulianstatic void my_watchdog(struct ifnet *); 13693746Sjulianstatic void my_shutdown(device_t); 13793746Sjulianstatic int my_ifmedia_upd(struct ifnet *); 13893746Sjulianstatic void my_ifmedia_sts(struct ifnet *, struct ifmediareq *); 13993746Sjulianstatic u_int16_t my_phy_readreg(struct my_softc *, int); 14093746Sjulianstatic void my_phy_writereg(struct my_softc *, int, int); 14193746Sjulianstatic void my_autoneg_xmit(struct my_softc *); 14293746Sjulianstatic void my_autoneg_mii(struct my_softc *, int, int); 14393746Sjulianstatic void my_setmode_mii(struct my_softc *, int); 14493746Sjulianstatic void my_getmode_mii(struct my_softc *); 14593746Sjulianstatic void my_setcfg(struct my_softc *, int); 14693746Sjulianstatic void my_setmulti(struct my_softc *); 14793746Sjulianstatic void my_reset(struct my_softc *); 14893746Sjulianstatic int my_list_rx_init(struct my_softc *); 14993746Sjulianstatic int my_list_tx_init(struct my_softc *); 15093746Sjulianstatic long my_send_cmd_to_phy(struct my_softc *, int, int); 15193746Sjulian 152106696Salfred#define MY_SETBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) | (x)) 153106696Salfred#define MY_CLRBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) & ~(x)) 15493746Sjulian 15593746Sjulianstatic device_method_t my_methods[] = { 15693746Sjulian /* Device interface */ 15793746Sjulian DEVMETHOD(device_probe, my_probe), 15893746Sjulian DEVMETHOD(device_attach, my_attach), 15993746Sjulian DEVMETHOD(device_detach, my_detach), 16093746Sjulian DEVMETHOD(device_shutdown, my_shutdown), 16193746Sjulian 16293746Sjulian {0, 0} 16393746Sjulian}; 16493746Sjulian 16593746Sjulianstatic driver_t my_driver = { 16693746Sjulian "my", 16793746Sjulian my_methods, 16893746Sjulian sizeof(struct my_softc) 16993746Sjulian}; 17093746Sjulian 17193746Sjulianstatic devclass_t my_devclass; 17293746Sjulian 173113506SmdoddDRIVER_MODULE(my, pci, my_driver, my_devclass, 0, 0); 174113506SmdoddMODULE_DEPEND(my, pci, 1, 1, 1); 175113506SmdoddMODULE_DEPEND(my, ether, 1, 1, 1); 17693746Sjulian 17793746Sjulianstatic long 17893746Sjulianmy_send_cmd_to_phy(struct my_softc * sc, int opcode, int regad) 17993746Sjulian{ 18093746Sjulian long miir; 18193746Sjulian int i; 18293746Sjulian int mask, data; 18393746Sjulian 184149151Sjhb MY_LOCK_ASSERT(sc); 18593746Sjulian 18693746Sjulian /* enable MII output */ 18793746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 18893746Sjulian miir &= 0xfffffff0; 18993746Sjulian 19093746Sjulian miir |= MY_MASK_MIIR_MII_WRITE + MY_MASK_MIIR_MII_MDO; 19193746Sjulian 19293746Sjulian /* send 32 1's preamble */ 19393746Sjulian for (i = 0; i < 32; i++) { 19493746Sjulian /* low MDC; MDO is already high (miir) */ 19593746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 19693746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19793746Sjulian 19893746Sjulian /* high MDC */ 19993746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 20093746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 20193746Sjulian } 20293746Sjulian 20393746Sjulian /* calculate ST+OP+PHYAD+REGAD+TA */ 20493746Sjulian data = opcode | (sc->my_phy_addr << 7) | (regad << 2); 20593746Sjulian 20693746Sjulian /* sent out */ 20793746Sjulian mask = 0x8000; 20893746Sjulian while (mask) { 20993746Sjulian /* low MDC, prepare MDO */ 21093746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 21193746Sjulian if (mask & data) 21293746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 21393746Sjulian 21493746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21593746Sjulian /* high MDC */ 21693746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 21793746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21893746Sjulian DELAY(30); 21993746Sjulian 22093746Sjulian /* next */ 22193746Sjulian mask >>= 1; 22293746Sjulian if (mask == 0x2 && opcode == MY_OP_READ) 22393746Sjulian miir &= ~MY_MASK_MIIR_MII_WRITE; 22493746Sjulian } 22593746Sjulian 22693746Sjulian return miir; 22793746Sjulian} 22893746Sjulian 22993746Sjulian 230148945Sjhbstatic u_int16_t 23193746Sjulianmy_phy_readreg(struct my_softc * sc, int reg) 23293746Sjulian{ 23393746Sjulian long miir; 23493746Sjulian int mask, data; 23593746Sjulian 236149151Sjhb MY_LOCK_ASSERT(sc); 23793746Sjulian 23893746Sjulian if (sc->my_info->my_did == MTD803ID) 23993746Sjulian data = CSR_READ_2(sc, MY_PHYBASE + reg * 2); 24093746Sjulian else { 24193746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_READ, reg); 24293746Sjulian 24393746Sjulian /* read data */ 24493746Sjulian mask = 0x8000; 24593746Sjulian data = 0; 24693746Sjulian while (mask) { 24793746Sjulian /* low MDC */ 24893746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 24993746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 25093746Sjulian 25193746Sjulian /* read MDI */ 25293746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 25393746Sjulian if (miir & MY_MASK_MIIR_MII_MDI) 25493746Sjulian data |= mask; 25593746Sjulian 25693746Sjulian /* high MDC, and wait */ 25793746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 25893746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 25993746Sjulian DELAY(30); 26093746Sjulian 26193746Sjulian /* next */ 26293746Sjulian mask >>= 1; 26393746Sjulian } 26493746Sjulian 26593746Sjulian /* low MDC */ 26693746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 26793746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 26893746Sjulian } 26993746Sjulian 27093746Sjulian 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 280149151Sjhb MY_LOCK_ASSERT(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 return; 31193746Sjulian} 31293746Sjulian 31393746Sjulian 31493746Sjulian/* 31593746Sjulian * Program the 64-bit multicast hash filter. 31693746Sjulian */ 31793746Sjulianstatic void 31893746Sjulianmy_setmulti(struct my_softc * sc) 31993746Sjulian{ 32093746Sjulian struct ifnet *ifp; 32193746Sjulian int h = 0; 32293746Sjulian u_int32_t hashes[2] = {0, 0}; 32393746Sjulian struct ifmultiaddr *ifma; 32493746Sjulian u_int32_t rxfilt; 32593746Sjulian int mcnt = 0; 32693746Sjulian 327149151Sjhb MY_LOCK_ASSERT(sc); 32893746Sjulian 329147256Sbrooks ifp = sc->my_ifp; 33093746Sjulian 33193746Sjulian rxfilt = CSR_READ_4(sc, MY_TCRRCR); 33293746Sjulian 33393746Sjulian if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 33493746Sjulian rxfilt |= MY_AM; 33593746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 33693746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0xFFFFFFFF); 33793746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0xFFFFFFFF); 33893746Sjulian 33993746Sjulian return; 34093746Sjulian } 34193746Sjulian /* first, zot all the existing hash bits */ 34293746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0); 34393746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0); 34493746Sjulian 34593746Sjulian /* now program new ones */ 346148654Srwatson IF_ADDR_LOCK(ifp); 34793746Sjulian TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 34893746Sjulian if (ifma->ifma_addr->sa_family != AF_LINK) 34993746Sjulian continue; 350130270Snaddy h = ~ether_crc32_be(LLADDR((struct sockaddr_dl *) 351130270Snaddy ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; 35293746Sjulian if (h < 32) 35393746Sjulian hashes[0] |= (1 << h); 35493746Sjulian else 35593746Sjulian hashes[1] |= (1 << (h - 32)); 35693746Sjulian mcnt++; 35793746Sjulian } 358148654Srwatson IF_ADDR_UNLOCK(ifp); 35993746Sjulian 36093746Sjulian if (mcnt) 36193746Sjulian rxfilt |= MY_AM; 36293746Sjulian else 36393746Sjulian rxfilt &= ~MY_AM; 36493746Sjulian CSR_WRITE_4(sc, MY_MAR0, hashes[0]); 36593746Sjulian CSR_WRITE_4(sc, MY_MAR1, hashes[1]); 36693746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 36793746Sjulian return; 36893746Sjulian} 36993746Sjulian 37093746Sjulian/* 37193746Sjulian * Initiate an autonegotiation session. 37293746Sjulian */ 37393746Sjulianstatic void 37493746Sjulianmy_autoneg_xmit(struct my_softc * sc) 37593746Sjulian{ 37693746Sjulian u_int16_t phy_sts = 0; 37793746Sjulian 378149151Sjhb MY_LOCK_ASSERT(sc); 37993746Sjulian 38093746Sjulian my_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET); 38193746Sjulian DELAY(500); 38293746Sjulian while (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_RESET); 38393746Sjulian 38493746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMCR); 38593746Sjulian phy_sts |= PHY_BMCR_AUTONEGENBL | PHY_BMCR_AUTONEGRSTR; 38693746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_sts); 38793746Sjulian 38893746Sjulian return; 38993746Sjulian} 39093746Sjulian 39193746Sjulian 39293746Sjulian/* 39393746Sjulian * Invoke autonegotiation on a PHY. 39493746Sjulian */ 39593746Sjulianstatic void 39693746Sjulianmy_autoneg_mii(struct my_softc * sc, int flag, int verbose) 39793746Sjulian{ 39893746Sjulian u_int16_t phy_sts = 0, media, advert, ability; 39993746Sjulian u_int16_t ability2 = 0; 40093746Sjulian struct ifnet *ifp; 40193746Sjulian struct ifmedia *ifm; 40293746Sjulian 403149151Sjhb MY_LOCK_ASSERT(sc); 40493746Sjulian 40593746Sjulian ifm = &sc->ifmedia; 406147256Sbrooks ifp = sc->my_ifp; 40793746Sjulian 40893746Sjulian ifm->ifm_media = IFM_ETHER | IFM_AUTO; 40993746Sjulian 41093746Sjulian#ifndef FORCE_AUTONEG_TFOUR 41193746Sjulian /* 41293746Sjulian * First, see if autoneg is supported. If not, there's no point in 41393746Sjulian * continuing. 41493746Sjulian */ 41593746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 41693746Sjulian if (!(phy_sts & PHY_BMSR_CANAUTONEG)) { 41793746Sjulian if (verbose) 418148945Sjhb if_printf(ifp, "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: 456148945Sjhb if_printf(ifp, "invalid autoneg flag: %d\n", flag); 45793746Sjulian return; 45893746Sjulian } 45993746Sjulian 46093746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) { 46193746Sjulian if (verbose) 462148945Sjhb if_printf(ifp, "autoneg complete, "); 46393746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 46493746Sjulian } else { 46593746Sjulian if (verbose) 466148945Sjhb if_printf(ifp, "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) 474148945Sjhb if_printf(ifp, "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) 544148945Sjhb if_printf(ifp, "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) 569148945Sjhb if_printf(ifp, "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) 576148945Sjhb if_printf(ifp, "10Mbps half-duplex mode supported\n"); 57793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_HDX, 57893746Sjulian 0, NULL); 57993746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, NULL); 58093746Sjulian } 58193746Sjulian if (bmsr & PHY_BMSR_10BTFULL) { 58293746Sjulian if (bootverbose) 583148945Sjhb if_printf(ifp, "10Mbps full-duplex mode supported\n"); 58493746Sjulian 58593746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 58693746Sjulian 0, NULL); 58793746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 58893746Sjulian } 58993746Sjulian if (bmsr & PHY_BMSR_100BTXHALF) { 59093746Sjulian if (bootverbose) 591148945Sjhb if_printf(ifp, "100Mbps half-duplex mode supported\n"); 59293746Sjulian ifp->if_baudrate = 100000000; 59393746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL); 59493746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_HDX, 59593746Sjulian 0, NULL); 59693746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 59793746Sjulian } 59893746Sjulian if (bmsr & PHY_BMSR_100BTXFULL) { 59993746Sjulian if (bootverbose) 600148945Sjhb if_printf(ifp, "100Mbps full-duplex mode supported\n"); 60193746Sjulian ifp->if_baudrate = 100000000; 60293746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 60393746Sjulian 0, NULL); 60493746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 60593746Sjulian } 60693746Sjulian /* Some also support 100BaseT4. */ 60793746Sjulian if (bmsr & PHY_BMSR_100BT4) { 60893746Sjulian if (bootverbose) 609148945Sjhb if_printf(ifp, "100baseT4 mode supported\n"); 61093746Sjulian ifp->if_baudrate = 100000000; 61193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_T4, 0, NULL); 61293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_T4; 61393746Sjulian#ifdef FORCE_AUTONEG_TFOUR 61493746Sjulian if (bootverbose) 615148945Sjhb if_printf(ifp, "forcing on autoneg support for BT4\n"); 61693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0 NULL): 61793746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 61893746Sjulian#endif 61993746Sjulian } 62094863Sjulian#if 0 /* this version did not support 1000M, */ 62193746Sjulian if (sc->my_pinfo->my_vid == MarvellPHYID0) { 62293746Sjulian if (bootverbose) 623148945Sjhb if_printf(ifp, "1000Mbps half-duplex mode supported\n"); 62493746Sjulian 62593746Sjulian ifp->if_baudrate = 1000000000; 62695673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T, 0, NULL); 62795673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_HDX, 62893746Sjulian 0, NULL); 62993746Sjulian if (bootverbose) 630148945Sjhb if_printf(ifp, "1000Mbps full-duplex mode supported\n"); 63193746Sjulian ifp->if_baudrate = 1000000000; 63295673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 63393746Sjulian 0, NULL); 63495673Sphk sc->ifmedia.ifm_media = IFM_ETHER | IFM_1000_T | IFM_FDX; 63593746Sjulian } 63693746Sjulian#endif 63793746Sjulian if (bmsr & PHY_BMSR_CANAUTONEG) { 63893746Sjulian if (bootverbose) 639148945Sjhb if_printf(ifp, "autoneg supported\n"); 64093746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 64193746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 64293746Sjulian } 64393746Sjulian return; 64493746Sjulian} 64593746Sjulian 64693746Sjulian/* 64793746Sjulian * Set speed and duplex mode. 64893746Sjulian */ 64993746Sjulianstatic void 65093746Sjulianmy_setmode_mii(struct my_softc * sc, int media) 65193746Sjulian{ 65293746Sjulian u_int16_t bmcr; 65393746Sjulian struct ifnet *ifp; 65493746Sjulian 655149151Sjhb MY_LOCK_ASSERT(sc); 656147256Sbrooks ifp = sc->my_ifp; 65793746Sjulian /* 65893746Sjulian * If an autoneg session is in progress, stop it. 65993746Sjulian */ 66093746Sjulian if (sc->my_autoneg) { 661148945Sjhb if_printf(ifp, "canceling autoneg session\n"); 66293746Sjulian ifp->if_timer = sc->my_autoneg = sc->my_want_auto = 0; 66393746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 66493746Sjulian bmcr &= ~PHY_BMCR_AUTONEGENBL; 66593746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 66693746Sjulian } 667148945Sjhb if_printf(ifp, "selecting MII, "); 66893746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 66993746Sjulian bmcr &= ~(PHY_BMCR_AUTONEGENBL | PHY_BMCR_SPEEDSEL | PHY_BMCR_1000 | 67093746Sjulian PHY_BMCR_DUPLEX | PHY_BMCR_LOOPBK); 67194863Sjulian 67294863Sjulian#if 0 /* this version did not support 1000M, */ 67395673Sphk if (IFM_SUBTYPE(media) == IFM_1000_T) { 67493746Sjulian printf("1000Mbps/T4, half-duplex\n"); 67593746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 67693746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 67793746Sjulian bmcr |= PHY_BMCR_1000; 67893746Sjulian } 67993746Sjulian#endif 68093746Sjulian if (IFM_SUBTYPE(media) == IFM_100_T4) { 68193746Sjulian printf("100Mbps/T4, half-duplex\n"); 68293746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 68393746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 68493746Sjulian } 68593746Sjulian if (IFM_SUBTYPE(media) == IFM_100_TX) { 68693746Sjulian printf("100Mbps, "); 68793746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 68893746Sjulian } 68993746Sjulian if (IFM_SUBTYPE(media) == IFM_10_T) { 69093746Sjulian printf("10Mbps, "); 69193746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 69293746Sjulian } 69393746Sjulian if ((media & IFM_GMASK) == IFM_FDX) { 69493746Sjulian printf("full duplex\n"); 69593746Sjulian bmcr |= PHY_BMCR_DUPLEX; 69693746Sjulian } else { 69793746Sjulian printf("half duplex\n"); 69893746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 69993746Sjulian } 70093746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 70193746Sjulian my_setcfg(sc, bmcr); 70293746Sjulian return; 70393746Sjulian} 70493746Sjulian 70593746Sjulian/* 70693746Sjulian * The Myson manual states that in order to fiddle with the 'full-duplex' and 70793746Sjulian * '100Mbps' bits in the netconfig register, we first have to put the 70893746Sjulian * transmit and/or receive logic in the idle state. 70993746Sjulian */ 71093746Sjulianstatic void 71193746Sjulianmy_setcfg(struct my_softc * sc, int bmcr) 71293746Sjulian{ 71393746Sjulian int i, restart = 0; 71493746Sjulian 715149151Sjhb MY_LOCK_ASSERT(sc); 71693746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & (MY_TE | MY_RE)) { 71793746Sjulian restart = 1; 71893746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_TE | MY_RE)); 71993746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 72093746Sjulian DELAY(10); 72193746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & 72293746Sjulian (MY_TXRUN | MY_RXRUN))) 72393746Sjulian break; 72493746Sjulian } 72593746Sjulian if (i == MY_TIMEOUT) 726148945Sjhb if_printf(sc->my_ifp, 727148945Sjhb "failed to force tx and rx to idle \n"); 72893746Sjulian } 72993746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS1000); 73093746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS10); 73193746Sjulian if (bmcr & PHY_BMCR_1000) 73293746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS1000); 73393746Sjulian else if (!(bmcr & PHY_BMCR_SPEEDSEL)) 73493746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS10); 73593746Sjulian if (bmcr & PHY_BMCR_DUPLEX) 73693746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_FD); 73793746Sjulian else 73893746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_FD); 73993746Sjulian if (restart) 74093746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE | MY_RE); 74193746Sjulian return; 74293746Sjulian} 74393746Sjulian 74493746Sjulianstatic void 74593746Sjulianmy_reset(struct my_softc * sc) 74693746Sjulian{ 74793746Sjulian register int i; 74893746Sjulian 749149151Sjhb MY_LOCK_ASSERT(sc); 75093746Sjulian MY_SETBIT(sc, MY_BCR, MY_SWR); 75193746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 75293746Sjulian DELAY(10); 75393746Sjulian if (!(CSR_READ_4(sc, MY_BCR) & MY_SWR)) 75493746Sjulian break; 75593746Sjulian } 75693746Sjulian if (i == MY_TIMEOUT) 757148945Sjhb if_printf(sc->my_ifp, "reset never completed!\n"); 75893746Sjulian 75993746Sjulian /* Wait a little while for the chip to get its brains in order. */ 76093746Sjulian DELAY(1000); 76193746Sjulian return; 76293746Sjulian} 76393746Sjulian 76493746Sjulian/* 76593746Sjulian * Probe for a Myson chip. Check the PCI vendor and device IDs against our 76693746Sjulian * list and return a device name if we find a match. 76793746Sjulian */ 76893746Sjulianstatic int 76993746Sjulianmy_probe(device_t dev) 77093746Sjulian{ 77193746Sjulian struct my_type *t; 77293746Sjulian 77393746Sjulian t = my_devs; 77493746Sjulian while (t->my_name != NULL) { 77593746Sjulian if ((pci_get_vendor(dev) == t->my_vid) && 77693746Sjulian (pci_get_device(dev) == t->my_did)) { 77793746Sjulian device_set_desc(dev, t->my_name); 77893746Sjulian my_info_tmp = t; 779143158Simp return (BUS_PROBE_DEFAULT); 78093746Sjulian } 78193746Sjulian t++; 78293746Sjulian } 78393746Sjulian return (ENXIO); 78493746Sjulian} 78593746Sjulian 78693746Sjulian/* 78793746Sjulian * Attach the interface. Allocate softc structures, do ifmedia setup and 78893746Sjulian * ethernet/BPF attach. 78993746Sjulian */ 79093746Sjulianstatic int 79193746Sjulianmy_attach(device_t dev) 79293746Sjulian{ 793149151Sjhb int i; 79493746Sjulian u_char eaddr[ETHER_ADDR_LEN]; 795148946Sjhb u_int32_t iobase; 79693746Sjulian struct my_softc *sc; 79793746Sjulian struct ifnet *ifp; 79893746Sjulian int media = IFM_ETHER | IFM_100_TX | IFM_FDX; 79993746Sjulian unsigned int round; 80093746Sjulian caddr_t roundptr; 80193746Sjulian struct my_type *p; 80293746Sjulian u_int16_t phy_vid, phy_did, phy_sts = 0; 803148945Sjhb int rid, error = 0; 80493746Sjulian 80593746Sjulian sc = device_get_softc(dev); 80695803Sjulian mtx_init(&sc->my_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 807149151Sjhb MTX_DEF); 80893746Sjulian 80993746Sjulian /* 81093746Sjulian * Map control/status registers. 81193746Sjulian */ 812148946Sjhb pci_enable_busmaster(dev); 81393746Sjulian 81493746Sjulian if (my_info_tmp->my_did == MTD800ID) { 81593746Sjulian iobase = pci_read_config(dev, MY_PCI_LOIO, 4); 81693746Sjulian if (iobase & 0x300) 81793746Sjulian MY_USEIOSPACE = 0; 81893746Sjulian } 81993746Sjulian 82093746Sjulian rid = MY_RID; 821127135Snjl sc->my_res = bus_alloc_resource_any(dev, MY_RES, &rid, RF_ACTIVE); 82293746Sjulian 82393746Sjulian if (sc->my_res == NULL) { 824148945Sjhb device_printf(dev, "couldn't map ports/memory\n"); 82593746Sjulian error = ENXIO; 826149151Sjhb goto destroy_mutex; 82793746Sjulian } 82893746Sjulian sc->my_btag = rman_get_bustag(sc->my_res); 82993746Sjulian sc->my_bhandle = rman_get_bushandle(sc->my_res); 83093746Sjulian 83193746Sjulian rid = 0; 832127135Snjl sc->my_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 833127135Snjl RF_SHAREABLE | RF_ACTIVE); 83493746Sjulian 83593746Sjulian if (sc->my_irq == NULL) { 836148945Sjhb device_printf(dev, "couldn't map interrupt\n"); 83793746Sjulian error = ENXIO; 838149151Sjhb goto release_io; 83993746Sjulian } 84093746Sjulian 84193746Sjulian sc->my_info = my_info_tmp; 84293746Sjulian 84393746Sjulian /* Reset the adapter. */ 844149151Sjhb MY_LOCK(sc); 84593746Sjulian my_reset(sc); 846149151Sjhb MY_UNLOCK(sc); 84793746Sjulian 84893746Sjulian /* 84993746Sjulian * Get station address 85093746Sjulian */ 85193746Sjulian for (i = 0; i < ETHER_ADDR_LEN; ++i) 85293746Sjulian eaddr[i] = CSR_READ_1(sc, MY_PAR0 + i); 85393746Sjulian 85493746Sjulian sc->my_ldata_ptr = malloc(sizeof(struct my_list_data) + 8, 85593746Sjulian M_DEVBUF, M_NOWAIT); 85693746Sjulian if (sc->my_ldata_ptr == NULL) { 857148945Sjhb device_printf(dev, "no memory for list buffers!\n"); 85893746Sjulian error = ENXIO; 859149151Sjhb goto release_irq; 86093746Sjulian } 86193746Sjulian sc->my_ldata = (struct my_list_data *) sc->my_ldata_ptr; 862106588Sjhb round = (uintptr_t)sc->my_ldata_ptr & 0xF; 86393746Sjulian roundptr = sc->my_ldata_ptr; 86493746Sjulian for (i = 0; i < 8; i++) { 86593746Sjulian if (round % 8) { 86693746Sjulian round++; 86793746Sjulian roundptr++; 86893746Sjulian } else 86993746Sjulian break; 87093746Sjulian } 87193746Sjulian sc->my_ldata = (struct my_list_data *) roundptr; 87293746Sjulian bzero(sc->my_ldata, sizeof(struct my_list_data)); 87393746Sjulian 874147256Sbrooks ifp = sc->my_ifp = if_alloc(IFT_ETHER); 875147256Sbrooks if (ifp == NULL) { 876147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 877147256Sbrooks error = ENOSPC; 878149151Sjhb goto free_ldata; 879147256Sbrooks } 88093746Sjulian ifp->if_softc = sc; 881121816Sbrooks if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 88293746Sjulian ifp->if_mtu = ETHERMTU; 88393746Sjulian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 88493746Sjulian ifp->if_ioctl = my_ioctl; 88593746Sjulian ifp->if_start = my_start; 88693746Sjulian ifp->if_watchdog = my_watchdog; 88793746Sjulian ifp->if_init = my_init; 88893746Sjulian ifp->if_baudrate = 10000000; 88993746Sjulian ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 89093746Sjulian 89193746Sjulian if (sc->my_info->my_did == MTD803ID) 89293746Sjulian sc->my_pinfo = my_phys; 89393746Sjulian else { 89493746Sjulian if (bootverbose) 895148945Sjhb device_printf(dev, "probing for a PHY\n"); 896149151Sjhb MY_LOCK(sc); 89793746Sjulian for (i = MY_PHYADDR_MIN; i < MY_PHYADDR_MAX + 1; i++) { 89893746Sjulian if (bootverbose) 899148945Sjhb device_printf(dev, "checking address: %d\n", i); 90093746Sjulian sc->my_phy_addr = i; 90193746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 90293746Sjulian if ((phy_sts != 0) && (phy_sts != 0xffff)) 90393746Sjulian break; 90493746Sjulian else 90593746Sjulian phy_sts = 0; 90693746Sjulian } 90793746Sjulian if (phy_sts) { 90893746Sjulian phy_vid = my_phy_readreg(sc, PHY_VENID); 90993746Sjulian phy_did = my_phy_readreg(sc, PHY_DEVID); 91093746Sjulian if (bootverbose) { 911148945Sjhb device_printf(dev, "found PHY at address %d, ", 912148945Sjhb sc->my_phy_addr); 91393746Sjulian printf("vendor id: %x device id: %x\n", 91493746Sjulian phy_vid, phy_did); 91593746Sjulian } 91693746Sjulian p = my_phys; 91793746Sjulian while (p->my_vid) { 91893746Sjulian if (phy_vid == p->my_vid) { 91993746Sjulian sc->my_pinfo = p; 92093746Sjulian break; 92193746Sjulian } 92293746Sjulian p++; 92393746Sjulian } 92493746Sjulian if (sc->my_pinfo == NULL) 92593746Sjulian sc->my_pinfo = &my_phys[PHY_UNKNOWN]; 92693746Sjulian if (bootverbose) 927148945Sjhb device_printf(dev, "PHY type: %s\n", 928148945Sjhb sc->my_pinfo->my_name); 92993746Sjulian } else { 930149151Sjhb MY_UNLOCK(sc); 931148945Sjhb device_printf(dev, "MII without any phy!\n"); 93293746Sjulian error = ENXIO; 933149151Sjhb goto free_if; 93493746Sjulian } 935149151Sjhb MY_UNLOCK(sc); 93693746Sjulian } 93793746Sjulian 93893746Sjulian /* Do ifmedia setup. */ 93993746Sjulian ifmedia_init(&sc->ifmedia, 0, my_ifmedia_upd, my_ifmedia_sts); 940149151Sjhb MY_LOCK(sc); 94193746Sjulian my_getmode_mii(sc); 94293746Sjulian my_autoneg_mii(sc, MY_FLAG_FORCEDELAY, 1); 94393746Sjulian media = sc->ifmedia.ifm_media; 94493746Sjulian my_stop(sc); 945149151Sjhb MY_UNLOCK(sc); 94693746Sjulian ifmedia_set(&sc->ifmedia, media); 94793746Sjulian 948106937Ssam ether_ifattach(ifp, eaddr); 949149151Sjhb 950149151Sjhb error = bus_setup_intr(dev, sc->my_irq, INTR_TYPE_NET | INTR_MPSAFE, 951149151Sjhb my_intr, sc, &sc->my_intrhand); 952149151Sjhb 953149151Sjhb if (error) { 954149151Sjhb device_printf(dev, "couldn't set up irq\n"); 955149151Sjhb goto detach_if; 956149151Sjhb } 95793746Sjulian 95893746Sjulian return (0); 95993746Sjulian 960149151Sjhbdetach_if: 961149151Sjhb ether_ifdetach(ifp); 962149151Sjhbfree_if: 963149151Sjhb if_free(ifp); 964149151Sjhbfree_ldata: 965149151Sjhb free(sc->my_ldata_ptr, M_DEVBUF); 966149151Sjhbrelease_irq: 967149151Sjhb bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 968149151Sjhbrelease_io: 969149151Sjhb bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 970149151Sjhbdestroy_mutex: 97193746Sjulian mtx_destroy(&sc->my_mtx); 97293746Sjulian return (error); 97393746Sjulian} 97493746Sjulian 97593746Sjulianstatic int 97693746Sjulianmy_detach(device_t dev) 97793746Sjulian{ 97893746Sjulian struct my_softc *sc; 97993746Sjulian struct ifnet *ifp; 98093746Sjulian 98193746Sjulian sc = device_get_softc(dev); 98293746Sjulian MY_LOCK(sc); 983149151Sjhb my_stop(sc); 984149151Sjhb MY_UNLOCK(sc); 985149151Sjhb bus_teardown_intr(dev, sc->my_irq, sc->my_intrhand); 986149151Sjhb 987147256Sbrooks ifp = sc->my_ifp; 988106937Ssam ether_ifdetach(ifp); 989147256Sbrooks if_free(ifp); 990149151Sjhb free(sc->my_ldata_ptr, M_DEVBUF); 99193746Sjulian 99293746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 99393746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 99493746Sjulian mtx_destroy(&sc->my_mtx); 99593746Sjulian return (0); 99693746Sjulian} 99793746Sjulian 99893746Sjulian 99993746Sjulian/* 100093746Sjulian * Initialize the transmit descriptors. 100193746Sjulian */ 100293746Sjulianstatic int 100393746Sjulianmy_list_tx_init(struct my_softc * sc) 100493746Sjulian{ 100593746Sjulian struct my_chain_data *cd; 100693746Sjulian struct my_list_data *ld; 100793746Sjulian int i; 100893746Sjulian 1009149151Sjhb MY_LOCK_ASSERT(sc); 101093746Sjulian cd = &sc->my_cdata; 101193746Sjulian ld = sc->my_ldata; 101293746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 101393746Sjulian cd->my_tx_chain[i].my_ptr = &ld->my_tx_list[i]; 101493746Sjulian if (i == (MY_TX_LIST_CNT - 1)) 101593746Sjulian cd->my_tx_chain[i].my_nextdesc = &cd->my_tx_chain[0]; 101693746Sjulian else 101793746Sjulian cd->my_tx_chain[i].my_nextdesc = 101893746Sjulian &cd->my_tx_chain[i + 1]; 101993746Sjulian } 102093746Sjulian cd->my_tx_free = &cd->my_tx_chain[0]; 102193746Sjulian cd->my_tx_tail = cd->my_tx_head = NULL; 102293746Sjulian return (0); 102393746Sjulian} 102493746Sjulian 102593746Sjulian/* 102693746Sjulian * Initialize the RX descriptors and allocate mbufs for them. Note that we 102793746Sjulian * arrange the descriptors in a closed ring, so that the last descriptor 102893746Sjulian * points back to the first. 102993746Sjulian */ 103093746Sjulianstatic int 103193746Sjulianmy_list_rx_init(struct my_softc * sc) 103293746Sjulian{ 103393746Sjulian struct my_chain_data *cd; 103493746Sjulian struct my_list_data *ld; 103593746Sjulian int i; 103693746Sjulian 1037149151Sjhb MY_LOCK_ASSERT(sc); 103893746Sjulian cd = &sc->my_cdata; 103993746Sjulian ld = sc->my_ldata; 104093746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 104193746Sjulian cd->my_rx_chain[i].my_ptr = 104293746Sjulian (struct my_desc *) & ld->my_rx_list[i]; 104397641Sjulian if (my_newbuf(sc, &cd->my_rx_chain[i]) == ENOBUFS) { 104497641Sjulian MY_UNLOCK(sc); 104593746Sjulian return (ENOBUFS); 104697641Sjulian } 104793746Sjulian if (i == (MY_RX_LIST_CNT - 1)) { 104893746Sjulian cd->my_rx_chain[i].my_nextdesc = &cd->my_rx_chain[0]; 104993746Sjulian ld->my_rx_list[i].my_next = vtophys(&ld->my_rx_list[0]); 105093746Sjulian } else { 105193746Sjulian cd->my_rx_chain[i].my_nextdesc = 105293746Sjulian &cd->my_rx_chain[i + 1]; 105393746Sjulian ld->my_rx_list[i].my_next = 105493746Sjulian vtophys(&ld->my_rx_list[i + 1]); 105593746Sjulian } 105693746Sjulian } 105793746Sjulian cd->my_rx_head = &cd->my_rx_chain[0]; 105893746Sjulian return (0); 105993746Sjulian} 106093746Sjulian 106193746Sjulian/* 106293746Sjulian * Initialize an RX descriptor and attach an MBUF cluster. 106393746Sjulian */ 106493746Sjulianstatic int 106593746Sjulianmy_newbuf(struct my_softc * sc, struct my_chain_onefrag * c) 106693746Sjulian{ 106793746Sjulian struct mbuf *m_new = NULL; 106893746Sjulian 1069149151Sjhb MY_LOCK_ASSERT(sc); 1070111119Simp MGETHDR(m_new, M_DONTWAIT, MT_DATA); 107193746Sjulian if (m_new == NULL) { 1072148945Sjhb if_printf(sc->my_ifp, 1073148945Sjhb "no memory for rx list -- packet dropped!\n"); 107493746Sjulian return (ENOBUFS); 107593746Sjulian } 1076111119Simp MCLGET(m_new, M_DONTWAIT); 107793746Sjulian if (!(m_new->m_flags & M_EXT)) { 1078148945Sjhb if_printf(sc->my_ifp, 1079148945Sjhb "no memory for rx list -- packet dropped!\n"); 108093746Sjulian m_freem(m_new); 108193746Sjulian return (ENOBUFS); 108293746Sjulian } 108393746Sjulian c->my_mbuf = m_new; 108493746Sjulian c->my_ptr->my_data = vtophys(mtod(m_new, caddr_t)); 108593746Sjulian c->my_ptr->my_ctl = (MCLBYTES - 1) << MY_RBSShift; 108693746Sjulian c->my_ptr->my_status = MY_OWNByNIC; 108793746Sjulian return (0); 108893746Sjulian} 108993746Sjulian 109093746Sjulian/* 109193746Sjulian * A frame has been uploaded: pass the resulting mbuf chain up to the higher 109293746Sjulian * level protocols. 109393746Sjulian */ 109493746Sjulianstatic void 109593746Sjulianmy_rxeof(struct my_softc * sc) 109693746Sjulian{ 109793746Sjulian struct ether_header *eh; 109893746Sjulian struct mbuf *m; 109993746Sjulian struct ifnet *ifp; 110093746Sjulian struct my_chain_onefrag *cur_rx; 110193746Sjulian int total_len = 0; 110293746Sjulian u_int32_t rxstat; 110393746Sjulian 1104149151Sjhb MY_LOCK_ASSERT(sc); 1105147256Sbrooks ifp = sc->my_ifp; 110693746Sjulian while (!((rxstat = sc->my_cdata.my_rx_head->my_ptr->my_status) 110793746Sjulian & MY_OWNByNIC)) { 110893746Sjulian cur_rx = sc->my_cdata.my_rx_head; 110993746Sjulian sc->my_cdata.my_rx_head = cur_rx->my_nextdesc; 111093746Sjulian 111193746Sjulian if (rxstat & MY_ES) { /* error summary: give up this rx pkt */ 111293746Sjulian ifp->if_ierrors++; 111393746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 111493746Sjulian continue; 111593746Sjulian } 111693746Sjulian /* No errors; receive the packet. */ 111793746Sjulian total_len = (rxstat & MY_FLNGMASK) >> MY_FLNGShift; 111893746Sjulian total_len -= ETHER_CRC_LEN; 111993746Sjulian 112093746Sjulian if (total_len < MINCLSIZE) { 112193746Sjulian m = m_devget(mtod(cur_rx->my_mbuf, char *), 112293746Sjulian total_len, 0, ifp, NULL); 112393746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 112493746Sjulian if (m == NULL) { 112593746Sjulian ifp->if_ierrors++; 112693746Sjulian continue; 112793746Sjulian } 112893746Sjulian } else { 112993746Sjulian m = cur_rx->my_mbuf; 113093746Sjulian /* 113193746Sjulian * Try to conjure up a new mbuf cluster. If that 113293746Sjulian * fails, it means we have an out of memory condition 113393746Sjulian * and should leave the buffer in place and continue. 113493746Sjulian * This will result in a lost packet, but there's 113593746Sjulian * little else we can do in this situation. 113693746Sjulian */ 113793746Sjulian if (my_newbuf(sc, cur_rx) == ENOBUFS) { 113893746Sjulian ifp->if_ierrors++; 113993746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 114093746Sjulian continue; 114193746Sjulian } 114293746Sjulian m->m_pkthdr.rcvif = ifp; 114393746Sjulian m->m_pkthdr.len = m->m_len = total_len; 114493746Sjulian } 114593746Sjulian ifp->if_ipackets++; 114693746Sjulian eh = mtod(m, struct ether_header *); 114793746Sjulian#if NBPFILTER > 0 114893746Sjulian /* 114993746Sjulian * Handle BPF listeners. Let the BPF user see the packet, but 115093746Sjulian * don't pass it up to the ether_input() layer unless it's a 115193746Sjulian * broadcast packet, multicast packet, matches our ethernet 115293746Sjulian * address or the interface is in promiscuous mode. 115393746Sjulian */ 115493746Sjulian if (ifp->if_bpf) { 1155106937Ssam BPF_MTAP(ifp, m); 115693746Sjulian if (ifp->if_flags & IFF_PROMISC && 1157152315Sru (bcmp(eh->ether_dhost, IF_LLADDR(sc->my_ifp), 115893746Sjulian ETHER_ADDR_LEN) && 115993746Sjulian (eh->ether_dhost[0] & 1) == 0)) { 116093746Sjulian m_freem(m); 116193746Sjulian continue; 116293746Sjulian } 116393746Sjulian } 116493746Sjulian#endif 1165122689Ssam MY_UNLOCK(sc); 1166106937Ssam (*ifp->if_input)(ifp, m); 1167122689Ssam MY_LOCK(sc); 116893746Sjulian } 116993746Sjulian return; 117093746Sjulian} 117193746Sjulian 117293746Sjulian 117393746Sjulian/* 117493746Sjulian * A frame was downloaded to the chip. It's safe for us to clean up the list 117593746Sjulian * buffers. 117693746Sjulian */ 117793746Sjulianstatic void 117893746Sjulianmy_txeof(struct my_softc * sc) 117993746Sjulian{ 118093746Sjulian struct my_chain *cur_tx; 118193746Sjulian struct ifnet *ifp; 118293746Sjulian 1183149151Sjhb MY_LOCK_ASSERT(sc); 1184147256Sbrooks ifp = sc->my_ifp; 118593746Sjulian /* Clear the timeout timer. */ 118693746Sjulian ifp->if_timer = 0; 118795939Sjulian if (sc->my_cdata.my_tx_head == NULL) { 118893746Sjulian return; 118995939Sjulian } 119093746Sjulian /* 119193746Sjulian * Go through our tx list and free mbufs for those frames that have 119293746Sjulian * been transmitted. 119393746Sjulian */ 119493746Sjulian while (sc->my_cdata.my_tx_head->my_mbuf != NULL) { 119593746Sjulian u_int32_t txstat; 119693746Sjulian 119793746Sjulian cur_tx = sc->my_cdata.my_tx_head; 119893746Sjulian txstat = MY_TXSTATUS(cur_tx); 119993746Sjulian if ((txstat & MY_OWNByNIC) || txstat == MY_UNSENT) 120093746Sjulian break; 120193746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced)) { 120293746Sjulian if (txstat & MY_TXERR) { 120393746Sjulian ifp->if_oerrors++; 120493746Sjulian if (txstat & MY_EC) /* excessive collision */ 120593746Sjulian ifp->if_collisions++; 120693746Sjulian if (txstat & MY_LC) /* late collision */ 120793746Sjulian ifp->if_collisions++; 120893746Sjulian } 120993746Sjulian ifp->if_collisions += (txstat & MY_NCRMASK) >> 121093746Sjulian MY_NCRShift; 121193746Sjulian } 121293746Sjulian ifp->if_opackets++; 121393746Sjulian m_freem(cur_tx->my_mbuf); 121493746Sjulian cur_tx->my_mbuf = NULL; 121593746Sjulian if (sc->my_cdata.my_tx_head == sc->my_cdata.my_tx_tail) { 121693746Sjulian sc->my_cdata.my_tx_head = NULL; 121793746Sjulian sc->my_cdata.my_tx_tail = NULL; 121893746Sjulian break; 121993746Sjulian } 122093746Sjulian sc->my_cdata.my_tx_head = cur_tx->my_nextdesc; 122193746Sjulian } 122293746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced) { 122393746Sjulian ifp->if_collisions += (CSR_READ_4(sc, MY_TSR) & MY_NCRMask); 122493746Sjulian } 122593746Sjulian return; 122693746Sjulian} 122793746Sjulian 122893746Sjulian/* 122993746Sjulian * TX 'end of channel' interrupt handler. 123093746Sjulian */ 123193746Sjulianstatic void 123293746Sjulianmy_txeoc(struct my_softc * sc) 123393746Sjulian{ 123493746Sjulian struct ifnet *ifp; 123593746Sjulian 1236149151Sjhb MY_LOCK_ASSERT(sc); 1237147256Sbrooks ifp = sc->my_ifp; 123893746Sjulian ifp->if_timer = 0; 123993746Sjulian if (sc->my_cdata.my_tx_head == NULL) { 1240148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 124193746Sjulian sc->my_cdata.my_tx_tail = NULL; 124293746Sjulian if (sc->my_want_auto) 124393746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 124493746Sjulian } else { 124593746Sjulian if (MY_TXOWN(sc->my_cdata.my_tx_head) == MY_UNSENT) { 124693746Sjulian MY_TXOWN(sc->my_cdata.my_tx_head) = MY_OWNByNIC; 124793746Sjulian ifp->if_timer = 5; 124893746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); 124993746Sjulian } 125093746Sjulian } 125193746Sjulian return; 125293746Sjulian} 125393746Sjulian 125493746Sjulianstatic void 125593746Sjulianmy_intr(void *arg) 125693746Sjulian{ 125793746Sjulian struct my_softc *sc; 125893746Sjulian struct ifnet *ifp; 125993746Sjulian u_int32_t status; 126093746Sjulian 126193746Sjulian sc = arg; 126293746Sjulian MY_LOCK(sc); 1263147256Sbrooks ifp = sc->my_ifp; 126493746Sjulian if (!(ifp->if_flags & IFF_UP)) { 126593746Sjulian MY_UNLOCK(sc); 126693746Sjulian return; 126793746Sjulian } 126893746Sjulian /* Disable interrupts. */ 126993746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 127093746Sjulian 127193746Sjulian for (;;) { 127293746Sjulian status = CSR_READ_4(sc, MY_ISR); 127393746Sjulian status &= MY_INTRS; 127493746Sjulian if (status) 127593746Sjulian CSR_WRITE_4(sc, MY_ISR, status); 127693746Sjulian else 127793746Sjulian break; 127893746Sjulian 127993746Sjulian if (status & MY_RI) /* receive interrupt */ 128093746Sjulian my_rxeof(sc); 128193746Sjulian 128293746Sjulian if ((status & MY_RBU) || (status & MY_RxErr)) { 128393746Sjulian /* rx buffer unavailable or rx error */ 128493746Sjulian ifp->if_ierrors++; 128593746Sjulian#ifdef foo 128693746Sjulian my_stop(sc); 128793746Sjulian my_reset(sc); 1288149151Sjhb my_init_locked(sc); 128993746Sjulian#endif 129093746Sjulian } 129193746Sjulian if (status & MY_TI) /* tx interrupt */ 129293746Sjulian my_txeof(sc); 129393746Sjulian if (status & MY_ETI) /* tx early interrupt */ 129493746Sjulian my_txeof(sc); 129593746Sjulian if (status & MY_TBU) /* tx buffer unavailable */ 129693746Sjulian my_txeoc(sc); 129794863Sjulian 129894863Sjulian#if 0 /* 90/1/18 delete */ 129994863Sjulian if (status & MY_FBE) { 130094863Sjulian my_reset(sc); 1301149151Sjhb my_init_locked(sc); 130294863Sjulian } 130394863Sjulian#endif 130494863Sjulian 130593746Sjulian } 130693746Sjulian 130793746Sjulian /* Re-enable interrupts. */ 130893746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 130993746Sjulian if (ifp->if_snd.ifq_head != NULL) 1310149151Sjhb my_start_locked(ifp); 131193746Sjulian MY_UNLOCK(sc); 131293746Sjulian return; 131393746Sjulian} 131493746Sjulian 131593746Sjulian/* 131693746Sjulian * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data 131793746Sjulian * pointers to the fragment pointers. 131893746Sjulian */ 131993746Sjulianstatic int 132093746Sjulianmy_encap(struct my_softc * sc, struct my_chain * c, struct mbuf * m_head) 132193746Sjulian{ 132293746Sjulian struct my_desc *f = NULL; 132393746Sjulian int total_len; 132493746Sjulian struct mbuf *m, *m_new = NULL; 132593746Sjulian 1326149151Sjhb MY_LOCK_ASSERT(sc); 132793746Sjulian /* calculate the total tx pkt length */ 132893746Sjulian total_len = 0; 132993746Sjulian for (m = m_head; m != NULL; m = m->m_next) 133093746Sjulian total_len += m->m_len; 133193746Sjulian /* 133293746Sjulian * Start packing the mbufs in this chain into the fragment pointers. 133393746Sjulian * Stop when we run out of fragments or hit the end of the mbuf 133493746Sjulian * chain. 133593746Sjulian */ 133693746Sjulian m = m_head; 1337111119Simp MGETHDR(m_new, M_DONTWAIT, MT_DATA); 133893746Sjulian if (m_new == NULL) { 1339148945Sjhb if_printf(sc->my_ifp, "no memory for tx list"); 134093746Sjulian return (1); 134193746Sjulian } 134293746Sjulian if (m_head->m_pkthdr.len > MHLEN) { 1343111119Simp MCLGET(m_new, M_DONTWAIT); 134493746Sjulian if (!(m_new->m_flags & M_EXT)) { 134593746Sjulian m_freem(m_new); 1346148945Sjhb if_printf(sc->my_ifp, "no memory for tx list"); 134793746Sjulian return (1); 134893746Sjulian } 134993746Sjulian } 135093746Sjulian m_copydata(m_head, 0, m_head->m_pkthdr.len, mtod(m_new, caddr_t)); 135193746Sjulian m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len; 135293746Sjulian m_freem(m_head); 135393746Sjulian m_head = m_new; 135493746Sjulian f = &c->my_ptr->my_frag[0]; 135593746Sjulian f->my_status = 0; 135693746Sjulian f->my_data = vtophys(mtod(m_new, caddr_t)); 135793746Sjulian total_len = m_new->m_len; 135893746Sjulian f->my_ctl = MY_TXFD | MY_TXLD | MY_CRCEnable | MY_PADEnable; 135993746Sjulian f->my_ctl |= total_len << MY_PKTShift; /* pkt size */ 136093746Sjulian f->my_ctl |= total_len; /* buffer size */ 136194904Sjulian /* 89/12/29 add, for mtd891 *//* [ 89? ] */ 136293746Sjulian if (sc->my_info->my_did == MTD891ID) 136393746Sjulian f->my_ctl |= MY_ETIControl | MY_RetryTxLC; 136493746Sjulian c->my_mbuf = m_head; 136593746Sjulian c->my_lastdesc = 0; 136693746Sjulian MY_TXNEXT(c) = vtophys(&c->my_nextdesc->my_ptr->my_frag[0]); 136793746Sjulian return (0); 136893746Sjulian} 136993746Sjulian 137093746Sjulian/* 137193746Sjulian * Main transmit routine. To avoid having to do mbuf copies, we put pointers 137293746Sjulian * to the mbuf data regions directly in the transmit lists. We also save a 137393746Sjulian * copy of the pointers since the transmit list fragment pointers are 137493746Sjulian * physical addresses. 137593746Sjulian */ 137693746Sjulianstatic void 137793746Sjulianmy_start(struct ifnet * ifp) 137893746Sjulian{ 137993746Sjulian struct my_softc *sc; 1380149151Sjhb 1381149151Sjhb sc = ifp->if_softc; 1382149151Sjhb MY_LOCK(sc); 1383149151Sjhb my_start_locked(ifp); 1384149151Sjhb MY_UNLOCK(sc); 1385149151Sjhb} 1386149151Sjhb 1387149151Sjhbstatic void 1388149151Sjhbmy_start_locked(struct ifnet * ifp) 1389149151Sjhb{ 1390149151Sjhb struct my_softc *sc; 139193746Sjulian struct mbuf *m_head = NULL; 139293746Sjulian struct my_chain *cur_tx = NULL, *start_tx; 139393746Sjulian 139493746Sjulian sc = ifp->if_softc; 1395149151Sjhb MY_LOCK_ASSERT(sc); 139693746Sjulian if (sc->my_autoneg) { 139793746Sjulian sc->my_tx_pend = 1; 139893746Sjulian return; 139993746Sjulian } 140093746Sjulian /* 140193746Sjulian * Check for an available queue slot. If there are none, punt. 140293746Sjulian */ 140393746Sjulian if (sc->my_cdata.my_tx_free->my_mbuf != NULL) { 1404148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 140593746Sjulian return; 140693746Sjulian } 140793746Sjulian start_tx = sc->my_cdata.my_tx_free; 140893746Sjulian while (sc->my_cdata.my_tx_free->my_mbuf == NULL) { 140993746Sjulian IF_DEQUEUE(&ifp->if_snd, m_head); 141093746Sjulian if (m_head == NULL) 141193746Sjulian break; 141293746Sjulian 141393746Sjulian /* Pick a descriptor off the free list. */ 141493746Sjulian cur_tx = sc->my_cdata.my_tx_free; 141593746Sjulian sc->my_cdata.my_tx_free = cur_tx->my_nextdesc; 141693746Sjulian 141793746Sjulian /* Pack the data into the descriptor. */ 141893746Sjulian my_encap(sc, cur_tx, m_head); 141993746Sjulian 142093746Sjulian if (cur_tx != start_tx) 142193746Sjulian MY_TXOWN(cur_tx) = MY_OWNByNIC; 142293746Sjulian#if NBPFILTER > 0 142393746Sjulian /* 142493746Sjulian * If there's a BPF listener, bounce a copy of this frame to 142593746Sjulian * him. 142693746Sjulian */ 1427106937Ssam BPF_MTAP(ifp, cur_tx->my_mbuf); 142893746Sjulian#endif 142993746Sjulian } 143093746Sjulian /* 143193746Sjulian * If there are no packets queued, bail. 143293746Sjulian */ 143393746Sjulian if (cur_tx == NULL) { 143493746Sjulian return; 143593746Sjulian } 143693746Sjulian /* 143793746Sjulian * Place the request for the upload interrupt in the last descriptor 143893746Sjulian * in the chain. This way, if we're chaining several packets at once, 143993746Sjulian * we'll only get an interupt once for the whole chain rather than 144093746Sjulian * once for each packet. 144193746Sjulian */ 144293746Sjulian MY_TXCTL(cur_tx) |= MY_TXIC; 144393746Sjulian cur_tx->my_ptr->my_frag[0].my_ctl |= MY_TXIC; 144493746Sjulian sc->my_cdata.my_tx_tail = cur_tx; 144593746Sjulian if (sc->my_cdata.my_tx_head == NULL) 144693746Sjulian sc->my_cdata.my_tx_head = start_tx; 144793746Sjulian MY_TXOWN(start_tx) = MY_OWNByNIC; 144893746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); /* tx polling demand */ 144993746Sjulian 145093746Sjulian /* 145193746Sjulian * Set a timeout in case the chip goes out to lunch. 145293746Sjulian */ 145393746Sjulian ifp->if_timer = 5; 145493746Sjulian return; 145593746Sjulian} 145693746Sjulian 145793746Sjulianstatic void 145893746Sjulianmy_init(void *xsc) 145993746Sjulian{ 146093746Sjulian struct my_softc *sc = xsc; 1461149151Sjhb 1462149151Sjhb MY_LOCK(sc); 1463149151Sjhb my_init_locked(sc); 1464149151Sjhb MY_UNLOCK(sc); 1465149151Sjhb} 1466149151Sjhb 1467149151Sjhbstatic void 1468149151Sjhbmy_init_locked(struct my_softc *sc) 1469149151Sjhb{ 1470147256Sbrooks struct ifnet *ifp = sc->my_ifp; 147193746Sjulian u_int16_t phy_bmcr = 0; 147293746Sjulian 1473149151Sjhb MY_LOCK_ASSERT(sc); 147493746Sjulian if (sc->my_autoneg) { 147593746Sjulian return; 147693746Sjulian } 147793746Sjulian if (sc->my_pinfo != NULL) 147893746Sjulian phy_bmcr = my_phy_readreg(sc, PHY_BMCR); 147993746Sjulian /* 148093746Sjulian * Cancel pending I/O and free all RX/TX buffers. 148193746Sjulian */ 148293746Sjulian my_stop(sc); 148393746Sjulian my_reset(sc); 148493746Sjulian 148593746Sjulian /* 148693746Sjulian * Set cache alignment and burst length. 148793746Sjulian */ 148894863Sjulian#if 0 /* 89/9/1 modify, */ 148994863Sjulian CSR_WRITE_4(sc, MY_BCR, MY_RPBLE512); 149094863Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF); 149194863Sjulian#endif 149293746Sjulian CSR_WRITE_4(sc, MY_BCR, MY_PBL8); 149393746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF | MY_RBLEN | MY_RPBLE512); 149493746Sjulian /* 149593746Sjulian * 89/12/29 add, for mtd891, 149693746Sjulian */ 149793746Sjulian if (sc->my_info->my_did == MTD891ID) { 149893746Sjulian MY_SETBIT(sc, MY_BCR, MY_PROG); 149993746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_Enhanced); 150093746Sjulian } 150193746Sjulian my_setcfg(sc, phy_bmcr); 150293746Sjulian /* Init circular RX list. */ 150393746Sjulian if (my_list_rx_init(sc) == ENOBUFS) { 1504148945Sjhb if_printf(ifp, "init failed: no memory for rx buffers\n"); 150593746Sjulian my_stop(sc); 150693746Sjulian return; 150793746Sjulian } 150893746Sjulian /* Init TX descriptors. */ 150993746Sjulian my_list_tx_init(sc); 151093746Sjulian 151193746Sjulian /* If we want promiscuous mode, set the allframes bit. */ 151293746Sjulian if (ifp->if_flags & IFF_PROMISC) 151393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PROM); 151493746Sjulian else 151593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PROM); 151693746Sjulian 151793746Sjulian /* 151893746Sjulian * Set capture broadcast bit to capture broadcast frames. 151993746Sjulian */ 152093746Sjulian if (ifp->if_flags & IFF_BROADCAST) 152193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_AB); 152293746Sjulian else 152393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_AB); 152493746Sjulian 152593746Sjulian /* 152693746Sjulian * Program the multicast filter, if necessary. 152793746Sjulian */ 152893746Sjulian my_setmulti(sc); 152993746Sjulian 153093746Sjulian /* 153193746Sjulian * Load the address of the RX list. 153293746Sjulian */ 153393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_RE); 153493746Sjulian CSR_WRITE_4(sc, MY_RXLBA, vtophys(&sc->my_ldata->my_rx_list[0])); 153593746Sjulian 153693746Sjulian /* 153793746Sjulian * Enable interrupts. 153893746Sjulian */ 153993746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 154093746Sjulian CSR_WRITE_4(sc, MY_ISR, 0xFFFFFFFF); 154193746Sjulian 154293746Sjulian /* Enable receiver and transmitter. */ 154393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_RE); 154493746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_TE); 154593746Sjulian CSR_WRITE_4(sc, MY_TXLBA, vtophys(&sc->my_ldata->my_tx_list[0])); 154693746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE); 154793746Sjulian 154893746Sjulian /* Restore state of BMCR */ 154993746Sjulian if (sc->my_pinfo != NULL) 155093746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_bmcr); 1551148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 1552148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 155393746Sjulian return; 155493746Sjulian} 155593746Sjulian 155693746Sjulian/* 155793746Sjulian * Set media options. 155893746Sjulian */ 155993746Sjulian 156093746Sjulianstatic int 156193746Sjulianmy_ifmedia_upd(struct ifnet * ifp) 156293746Sjulian{ 156393746Sjulian struct my_softc *sc; 156493746Sjulian struct ifmedia *ifm; 156593746Sjulian 156693746Sjulian sc = ifp->if_softc; 156793746Sjulian MY_LOCK(sc); 156893746Sjulian ifm = &sc->ifmedia; 156993746Sjulian if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) { 157093746Sjulian MY_UNLOCK(sc); 157193746Sjulian return (EINVAL); 157293746Sjulian } 157393746Sjulian if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) 157493746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 157593746Sjulian else 157693746Sjulian my_setmode_mii(sc, ifm->ifm_media); 157793746Sjulian MY_UNLOCK(sc); 157893746Sjulian return (0); 157993746Sjulian} 158093746Sjulian 158193746Sjulian/* 158293746Sjulian * Report current media status. 158393746Sjulian */ 158493746Sjulian 158593746Sjulianstatic void 158693746Sjulianmy_ifmedia_sts(struct ifnet * ifp, struct ifmediareq * ifmr) 158793746Sjulian{ 158893746Sjulian struct my_softc *sc; 158993746Sjulian u_int16_t advert = 0, ability = 0; 159093746Sjulian 159193746Sjulian sc = ifp->if_softc; 159293746Sjulian MY_LOCK(sc); 159393746Sjulian ifmr->ifm_active = IFM_ETHER; 159493746Sjulian if (!(my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_AUTONEGENBL)) { 159594863Sjulian#if 0 /* this version did not support 1000M, */ 159694863Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_1000) 159794863Sjulian ifmr->ifm_active = IFM_ETHER | IFM_1000TX; 159894863Sjulian#endif 159993746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_SPEEDSEL) 160093746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX; 160193746Sjulian else 160293746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T; 160393746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_DUPLEX) 160493746Sjulian ifmr->ifm_active |= IFM_FDX; 160593746Sjulian else 160693746Sjulian ifmr->ifm_active |= IFM_HDX; 160793746Sjulian 160893746Sjulian MY_UNLOCK(sc); 160993746Sjulian return; 161093746Sjulian } 161193746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 161293746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 161393746Sjulian 161494863Sjulian#if 0 /* this version did not support 1000M, */ 161593746Sjulian if (sc->my_pinfo->my_vid = MarvellPHYID0) { 161693746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 161793746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 161893746Sjulian advert = 0; 161993746Sjulian ability = 0; 162095673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_FDX; 162193746Sjulian } else if (ability & PHY_1000SR_1000BTXHALF) { 162293746Sjulian advert = 0; 162393746Sjulian ability = 0; 162495673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_HDX; 162593746Sjulian } 162693746Sjulian } 162793746Sjulian#endif 162893746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) 162993746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_T4; 163093746Sjulian else if (advert & PHY_ANAR_100BTXFULL && ability & PHY_ANAR_100BTXFULL) 163193746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_FDX; 163293746Sjulian else if (advert & PHY_ANAR_100BTXHALF && ability & PHY_ANAR_100BTXHALF) 163393746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_HDX; 163493746Sjulian else if (advert & PHY_ANAR_10BTFULL && ability & PHY_ANAR_10BTFULL) 163593746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_FDX; 163693746Sjulian else if (advert & PHY_ANAR_10BTHALF && ability & PHY_ANAR_10BTHALF) 163793746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_HDX; 163893746Sjulian MY_UNLOCK(sc); 163993746Sjulian return; 164093746Sjulian} 164193746Sjulian 164293746Sjulianstatic int 164393746Sjulianmy_ioctl(struct ifnet * ifp, u_long command, caddr_t data) 164493746Sjulian{ 164593746Sjulian struct my_softc *sc = ifp->if_softc; 164693746Sjulian struct ifreq *ifr = (struct ifreq *) data; 1647149151Sjhb int error; 164893746Sjulian 164993746Sjulian switch (command) { 165093746Sjulian case SIOCSIFFLAGS: 1651149151Sjhb MY_LOCK(sc); 165293746Sjulian if (ifp->if_flags & IFF_UP) 1653149151Sjhb my_init_locked(sc); 1654148887Srwatson else if (ifp->if_drv_flags & IFF_DRV_RUNNING) 165593746Sjulian my_stop(sc); 1656149151Sjhb MY_UNLOCK(sc); 165793746Sjulian error = 0; 165893746Sjulian break; 165993746Sjulian case SIOCADDMULTI: 166093746Sjulian case SIOCDELMULTI: 1661149151Sjhb MY_LOCK(sc); 166293746Sjulian my_setmulti(sc); 1663149151Sjhb MY_UNLOCK(sc); 166493746Sjulian error = 0; 166593746Sjulian break; 166693746Sjulian case SIOCGIFMEDIA: 166793746Sjulian case SIOCSIFMEDIA: 166893746Sjulian error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command); 166993746Sjulian break; 167093746Sjulian default: 1671106937Ssam error = ether_ioctl(ifp, command, data); 167293746Sjulian break; 167393746Sjulian } 167493746Sjulian return (error); 167593746Sjulian} 167693746Sjulian 167793746Sjulianstatic void 167893746Sjulianmy_watchdog(struct ifnet * ifp) 167993746Sjulian{ 168093746Sjulian struct my_softc *sc; 168193746Sjulian 168293746Sjulian sc = ifp->if_softc; 168393746Sjulian MY_LOCK(sc); 168493746Sjulian if (sc->my_autoneg) { 168593746Sjulian my_autoneg_mii(sc, MY_FLAG_DELAYTIMEO, 1); 168693746Sjulian MY_UNLOCK(sc); 168793746Sjulian return; 168893746Sjulian } 168993746Sjulian ifp->if_oerrors++; 1690148945Sjhb if_printf(ifp, "watchdog timeout\n"); 169193746Sjulian if (!(my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT)) 1692148945Sjhb if_printf(ifp, "no carrier - transceiver cable problem?\n"); 169393746Sjulian my_stop(sc); 169493746Sjulian my_reset(sc); 1695149151Sjhb my_init_locked(sc); 169693746Sjulian if (ifp->if_snd.ifq_head != NULL) 1697149151Sjhb my_start_locked(ifp); 169893746Sjulian MY_LOCK(sc); 169993746Sjulian return; 170093746Sjulian} 170193746Sjulian 170293746Sjulian 170393746Sjulian/* 170493746Sjulian * Stop the adapter and free any mbufs allocated to the RX and TX lists. 170593746Sjulian */ 170693746Sjulianstatic void 170793746Sjulianmy_stop(struct my_softc * sc) 170893746Sjulian{ 170993746Sjulian register int i; 171093746Sjulian struct ifnet *ifp; 171193746Sjulian 1712149151Sjhb MY_LOCK_ASSERT(sc); 1713147256Sbrooks ifp = sc->my_ifp; 171493746Sjulian ifp->if_timer = 0; 171593746Sjulian 171693746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_RE | MY_TE)); 171793746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 171893746Sjulian CSR_WRITE_4(sc, MY_TXLBA, 0x00000000); 171993746Sjulian CSR_WRITE_4(sc, MY_RXLBA, 0x00000000); 172093746Sjulian 172193746Sjulian /* 172293746Sjulian * Free data in the RX lists. 172393746Sjulian */ 172493746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 172593746Sjulian if (sc->my_cdata.my_rx_chain[i].my_mbuf != NULL) { 172693746Sjulian m_freem(sc->my_cdata.my_rx_chain[i].my_mbuf); 172793746Sjulian sc->my_cdata.my_rx_chain[i].my_mbuf = NULL; 172893746Sjulian } 172993746Sjulian } 173093746Sjulian bzero((char *)&sc->my_ldata->my_rx_list, 173193746Sjulian sizeof(sc->my_ldata->my_rx_list)); 173293746Sjulian /* 173393746Sjulian * Free the TX list buffers. 173493746Sjulian */ 173593746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 173693746Sjulian if (sc->my_cdata.my_tx_chain[i].my_mbuf != NULL) { 173793746Sjulian m_freem(sc->my_cdata.my_tx_chain[i].my_mbuf); 173893746Sjulian sc->my_cdata.my_tx_chain[i].my_mbuf = NULL; 173993746Sjulian } 174093746Sjulian } 174193746Sjulian bzero((char *)&sc->my_ldata->my_tx_list, 174293746Sjulian sizeof(sc->my_ldata->my_tx_list)); 1743148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 174493746Sjulian return; 174593746Sjulian} 174693746Sjulian 174793746Sjulian/* 174893746Sjulian * Stop all chip I/O so that the kernel's probe routines don't get confused 174993746Sjulian * by errant DMAs when rebooting. 175093746Sjulian */ 175193746Sjulianstatic void 175293746Sjulianmy_shutdown(device_t dev) 175393746Sjulian{ 175493746Sjulian struct my_softc *sc; 175593746Sjulian 175693746Sjulian sc = device_get_softc(dev); 1757149151Sjhb MY_LOCK(sc); 175893746Sjulian my_stop(sc); 1759149151Sjhb MY_UNLOCK(sc); 176093746Sjulian return; 176193746Sjulian} 1762