if_my.c revision 243857
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 243857 2012-12-04 09:32:43Z glebius $"); 32113038Sobrien 3393746Sjulian#include <sys/param.h> 3493746Sjulian#include <sys/systm.h> 3593746Sjulian#include <sys/sockio.h> 3693746Sjulian#include <sys/mbuf.h> 3793746Sjulian#include <sys/malloc.h> 3893746Sjulian#include <sys/kernel.h> 3993746Sjulian#include <sys/socket.h> 4093746Sjulian#include <sys/queue.h> 4193746Sjulian#include <sys/types.h> 4293746Sjulian#include <sys/module.h> 4395807Sjulian#include <sys/lock.h> 4495807Sjulian#include <sys/mutex.h> 4593746Sjulian 4693746Sjulian#define NBPFILTER 1 4793746Sjulian 4893746Sjulian#include <net/if.h> 4993746Sjulian#include <net/if_arp.h> 5093746Sjulian#include <net/ethernet.h> 5193746Sjulian#include <net/if_media.h> 52147256Sbrooks#include <net/if_types.h> 5393746Sjulian#include <net/if_dl.h> 5493746Sjulian#include <net/bpf.h> 5593746Sjulian 5693746Sjulian#include <vm/vm.h> /* for vtophys */ 5793746Sjulian#include <vm/pmap.h> /* for vtophys */ 5893746Sjulian#include <machine/bus.h> 5993746Sjulian#include <machine/resource.h> 6093746Sjulian#include <sys/bus.h> 6193746Sjulian#include <sys/rman.h> 6293746Sjulian 63119285Simp#include <dev/pci/pcireg.h> 64119285Simp#include <dev/pci/pcivar.h> 6593746Sjulian 6693746Sjulian/* 6793746Sjulian * #define MY_USEIOSPACE 6893746Sjulian */ 6993746Sjulian 7093746Sjulianstatic int MY_USEIOSPACE = 1; 7193746Sjulian 72153084Sru#ifdef MY_USEIOSPACE 7394904Sjulian#define MY_RES SYS_RES_IOPORT 7494904Sjulian#define MY_RID MY_PCI_LOIO 7593746Sjulian#else 7694904Sjulian#define MY_RES SYS_RES_MEMORY 7794904Sjulian#define MY_RID MY_PCI_LOMEM 7893746Sjulian#endif 7993746Sjulian 8093746Sjulian 8193746Sjulian#include <dev/my/if_myreg.h> 8293746Sjulian 8393746Sjulian#ifndef lint 8493746Sjulianstatic const char rcsid[] = 85119285Simp"$Id: if_my.c,v 1.16 2003/04/15 06:37:25 mdodd Exp $"; 8693746Sjulian#endif 8793746Sjulian 8893746Sjulian/* 8993746Sjulian * Various supported device vendors/types and their names. 9093746Sjulian */ 9193746Sjulianstruct my_type *my_info_tmp; 9293746Sjulianstatic struct my_type my_devs[] = { 9393746Sjulian {MYSONVENDORID, MTD800ID, "Myson MTD80X Based Fast Ethernet Card"}, 9493746Sjulian {MYSONVENDORID, MTD803ID, "Myson MTD80X Based Fast Ethernet Card"}, 9593746Sjulian {MYSONVENDORID, MTD891ID, "Myson MTD89X Based Giga Ethernet Card"}, 9693746Sjulian {0, 0, NULL} 9793746Sjulian}; 9893746Sjulian 9993746Sjulian/* 10093746Sjulian * Various supported PHY vendors/types and their names. Note that this driver 10193746Sjulian * will work with pretty much any MII-compliant PHY, so failure to positively 10293746Sjulian * identify the chip is not a fatal error. 10393746Sjulian */ 10493746Sjulianstatic struct my_type my_phys[] = { 10593746Sjulian {MysonPHYID0, MysonPHYID0, "<MYSON MTD981>"}, 10693746Sjulian {SeeqPHYID0, SeeqPHYID0, "<SEEQ 80225>"}, 10793746Sjulian {AhdocPHYID0, AhdocPHYID0, "<AHDOC 101>"}, 10893746Sjulian {MarvellPHYID0, MarvellPHYID0, "<MARVELL 88E1000>"}, 10993746Sjulian {LevelOnePHYID0, LevelOnePHYID0, "<LevelOne LXT1000>"}, 11093746Sjulian {0, 0, "<MII-compliant physical interface>"} 11193746Sjulian}; 11293746Sjulian 11393746Sjulianstatic int my_probe(device_t); 11493746Sjulianstatic int my_attach(device_t); 11593746Sjulianstatic int my_detach(device_t); 11693746Sjulianstatic int my_newbuf(struct my_softc *, struct my_chain_onefrag *); 11793746Sjulianstatic int my_encap(struct my_softc *, struct my_chain *, struct mbuf *); 11893746Sjulianstatic void my_rxeof(struct my_softc *); 11993746Sjulianstatic void my_txeof(struct my_softc *); 12093746Sjulianstatic void my_txeoc(struct my_softc *); 12193746Sjulianstatic void my_intr(void *); 12293746Sjulianstatic void my_start(struct ifnet *); 123149151Sjhbstatic void my_start_locked(struct ifnet *); 12493746Sjulianstatic int my_ioctl(struct ifnet *, u_long, caddr_t); 12593746Sjulianstatic void my_init(void *); 126149151Sjhbstatic void my_init_locked(struct my_softc *); 12793746Sjulianstatic void my_stop(struct my_softc *); 128199540Sjhbstatic void my_autoneg_timeout(void *); 129199540Sjhbstatic void my_watchdog(void *); 130188172Simpstatic int my_shutdown(device_t); 13193746Sjulianstatic int my_ifmedia_upd(struct ifnet *); 13293746Sjulianstatic void my_ifmedia_sts(struct ifnet *, struct ifmediareq *); 13393746Sjulianstatic u_int16_t my_phy_readreg(struct my_softc *, int); 13493746Sjulianstatic void my_phy_writereg(struct my_softc *, int, int); 13593746Sjulianstatic void my_autoneg_xmit(struct my_softc *); 13693746Sjulianstatic void my_autoneg_mii(struct my_softc *, int, int); 13793746Sjulianstatic void my_setmode_mii(struct my_softc *, int); 13893746Sjulianstatic void my_getmode_mii(struct my_softc *); 13993746Sjulianstatic void my_setcfg(struct my_softc *, int); 14093746Sjulianstatic void my_setmulti(struct my_softc *); 14193746Sjulianstatic void my_reset(struct my_softc *); 14293746Sjulianstatic int my_list_rx_init(struct my_softc *); 14393746Sjulianstatic int my_list_tx_init(struct my_softc *); 14493746Sjulianstatic long my_send_cmd_to_phy(struct my_softc *, int, int); 14593746Sjulian 146106696Salfred#define MY_SETBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) | (x)) 147106696Salfred#define MY_CLRBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) & ~(x)) 14893746Sjulian 14993746Sjulianstatic device_method_t my_methods[] = { 15093746Sjulian /* Device interface */ 15193746Sjulian DEVMETHOD(device_probe, my_probe), 15293746Sjulian DEVMETHOD(device_attach, my_attach), 15393746Sjulian DEVMETHOD(device_detach, my_detach), 15493746Sjulian DEVMETHOD(device_shutdown, my_shutdown), 15593746Sjulian 15693746Sjulian {0, 0} 15793746Sjulian}; 15893746Sjulian 15993746Sjulianstatic driver_t my_driver = { 16093746Sjulian "my", 16193746Sjulian my_methods, 16293746Sjulian sizeof(struct my_softc) 16393746Sjulian}; 16493746Sjulian 16593746Sjulianstatic devclass_t my_devclass; 16693746Sjulian 167113506SmdoddDRIVER_MODULE(my, pci, my_driver, my_devclass, 0, 0); 168113506SmdoddMODULE_DEPEND(my, pci, 1, 1, 1); 169113506SmdoddMODULE_DEPEND(my, ether, 1, 1, 1); 17093746Sjulian 17193746Sjulianstatic long 17293746Sjulianmy_send_cmd_to_phy(struct my_softc * sc, int opcode, int regad) 17393746Sjulian{ 17493746Sjulian long miir; 17593746Sjulian int i; 17693746Sjulian int mask, data; 17793746Sjulian 178149151Sjhb MY_LOCK_ASSERT(sc); 17993746Sjulian 18093746Sjulian /* enable MII output */ 18193746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 18293746Sjulian miir &= 0xfffffff0; 18393746Sjulian 18493746Sjulian miir |= MY_MASK_MIIR_MII_WRITE + MY_MASK_MIIR_MII_MDO; 18593746Sjulian 18693746Sjulian /* send 32 1's preamble */ 18793746Sjulian for (i = 0; i < 32; i++) { 18893746Sjulian /* low MDC; MDO is already high (miir) */ 18993746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 19093746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19193746Sjulian 19293746Sjulian /* high MDC */ 19393746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 19493746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19593746Sjulian } 19693746Sjulian 19793746Sjulian /* calculate ST+OP+PHYAD+REGAD+TA */ 19893746Sjulian data = opcode | (sc->my_phy_addr << 7) | (regad << 2); 19993746Sjulian 20093746Sjulian /* sent out */ 20193746Sjulian mask = 0x8000; 20293746Sjulian while (mask) { 20393746Sjulian /* low MDC, prepare MDO */ 20493746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 20593746Sjulian if (mask & data) 20693746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 20793746Sjulian 20893746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 20993746Sjulian /* high MDC */ 21093746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 21193746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21293746Sjulian DELAY(30); 21393746Sjulian 21493746Sjulian /* next */ 21593746Sjulian mask >>= 1; 21693746Sjulian if (mask == 0x2 && opcode == MY_OP_READ) 21793746Sjulian miir &= ~MY_MASK_MIIR_MII_WRITE; 21893746Sjulian } 21993746Sjulian 22093746Sjulian return miir; 22193746Sjulian} 22293746Sjulian 22393746Sjulian 224148945Sjhbstatic u_int16_t 22593746Sjulianmy_phy_readreg(struct my_softc * sc, int reg) 22693746Sjulian{ 22793746Sjulian long miir; 22893746Sjulian int mask, data; 22993746Sjulian 230149151Sjhb MY_LOCK_ASSERT(sc); 23193746Sjulian 23293746Sjulian if (sc->my_info->my_did == MTD803ID) 23393746Sjulian data = CSR_READ_2(sc, MY_PHYBASE + reg * 2); 23493746Sjulian else { 23593746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_READ, reg); 23693746Sjulian 23793746Sjulian /* read data */ 23893746Sjulian mask = 0x8000; 23993746Sjulian data = 0; 24093746Sjulian while (mask) { 24193746Sjulian /* low MDC */ 24293746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 24393746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 24493746Sjulian 24593746Sjulian /* read MDI */ 24693746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 24793746Sjulian if (miir & MY_MASK_MIIR_MII_MDI) 24893746Sjulian data |= mask; 24993746Sjulian 25093746Sjulian /* high MDC, and wait */ 25193746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 25293746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 25393746Sjulian DELAY(30); 25493746Sjulian 25593746Sjulian /* next */ 25693746Sjulian mask >>= 1; 25793746Sjulian } 25893746Sjulian 25993746Sjulian /* low MDC */ 26093746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 26193746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 26293746Sjulian } 26393746Sjulian 26493746Sjulian return (u_int16_t) data; 26593746Sjulian} 26693746Sjulian 26793746Sjulian 26893746Sjulianstatic void 26993746Sjulianmy_phy_writereg(struct my_softc * sc, int reg, int data) 27093746Sjulian{ 27193746Sjulian long miir; 27293746Sjulian int mask; 27393746Sjulian 274149151Sjhb MY_LOCK_ASSERT(sc); 27593746Sjulian 27693746Sjulian if (sc->my_info->my_did == MTD803ID) 27793746Sjulian CSR_WRITE_2(sc, MY_PHYBASE + reg * 2, data); 27893746Sjulian else { 27993746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_WRITE, reg); 28093746Sjulian 28193746Sjulian /* write data */ 28293746Sjulian mask = 0x8000; 28393746Sjulian while (mask) { 28493746Sjulian /* low MDC, prepare MDO */ 28593746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 28693746Sjulian if (mask & data) 28793746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 28893746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 28993746Sjulian DELAY(1); 29093746Sjulian 29193746Sjulian /* high MDC */ 29293746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 29393746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29493746Sjulian DELAY(1); 29593746Sjulian 29693746Sjulian /* next */ 29793746Sjulian mask >>= 1; 29893746Sjulian } 29993746Sjulian 30093746Sjulian /* low MDC */ 30193746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 30293746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 30393746Sjulian } 30493746Sjulian return; 30593746Sjulian} 30693746Sjulian 30793746Sjulian 30893746Sjulian/* 30993746Sjulian * Program the 64-bit multicast hash filter. 31093746Sjulian */ 31193746Sjulianstatic void 31293746Sjulianmy_setmulti(struct my_softc * sc) 31393746Sjulian{ 31493746Sjulian struct ifnet *ifp; 31593746Sjulian int h = 0; 31693746Sjulian u_int32_t hashes[2] = {0, 0}; 31793746Sjulian struct ifmultiaddr *ifma; 31893746Sjulian u_int32_t rxfilt; 31993746Sjulian int mcnt = 0; 32093746Sjulian 321149151Sjhb MY_LOCK_ASSERT(sc); 32293746Sjulian 323147256Sbrooks ifp = sc->my_ifp; 32493746Sjulian 32593746Sjulian rxfilt = CSR_READ_4(sc, MY_TCRRCR); 32693746Sjulian 32793746Sjulian if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 32893746Sjulian rxfilt |= MY_AM; 32993746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 33093746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0xFFFFFFFF); 33193746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0xFFFFFFFF); 33293746Sjulian 33393746Sjulian return; 33493746Sjulian } 33593746Sjulian /* first, zot all the existing hash bits */ 33693746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0); 33793746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0); 33893746Sjulian 33993746Sjulian /* now program new ones */ 340195049Srwatson if_maddr_rlock(ifp); 34193746Sjulian TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 34293746Sjulian if (ifma->ifma_addr->sa_family != AF_LINK) 34393746Sjulian continue; 344130270Snaddy h = ~ether_crc32_be(LLADDR((struct sockaddr_dl *) 345130270Snaddy ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; 34693746Sjulian if (h < 32) 34793746Sjulian hashes[0] |= (1 << h); 34893746Sjulian else 34993746Sjulian hashes[1] |= (1 << (h - 32)); 35093746Sjulian mcnt++; 35193746Sjulian } 352195049Srwatson if_maddr_runlock(ifp); 35393746Sjulian 35493746Sjulian if (mcnt) 35593746Sjulian rxfilt |= MY_AM; 35693746Sjulian else 35793746Sjulian rxfilt &= ~MY_AM; 35893746Sjulian CSR_WRITE_4(sc, MY_MAR0, hashes[0]); 35993746Sjulian CSR_WRITE_4(sc, MY_MAR1, hashes[1]); 36093746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 36193746Sjulian return; 36293746Sjulian} 36393746Sjulian 36493746Sjulian/* 36593746Sjulian * Initiate an autonegotiation session. 36693746Sjulian */ 36793746Sjulianstatic void 36893746Sjulianmy_autoneg_xmit(struct my_softc * sc) 36993746Sjulian{ 37093746Sjulian u_int16_t phy_sts = 0; 37193746Sjulian 372149151Sjhb MY_LOCK_ASSERT(sc); 37393746Sjulian 37493746Sjulian my_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET); 37593746Sjulian DELAY(500); 37693746Sjulian while (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_RESET); 37793746Sjulian 37893746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMCR); 37993746Sjulian phy_sts |= PHY_BMCR_AUTONEGENBL | PHY_BMCR_AUTONEGRSTR; 38093746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_sts); 38193746Sjulian 38293746Sjulian return; 38393746Sjulian} 38493746Sjulian 385199540Sjhbstatic void 386199540Sjhbmy_autoneg_timeout(void *arg) 387199540Sjhb{ 388199540Sjhb struct my_softc *sc; 38993746Sjulian 390199540Sjhb sc = arg; 391199540Sjhb MY_LOCK_ASSERT(sc); 392199540Sjhb my_autoneg_mii(sc, MY_FLAG_DELAYTIMEO, 1); 393199540Sjhb} 394199540Sjhb 39593746Sjulian/* 39693746Sjulian * Invoke autonegotiation on a PHY. 39793746Sjulian */ 39893746Sjulianstatic void 39993746Sjulianmy_autoneg_mii(struct my_softc * sc, int flag, int verbose) 40093746Sjulian{ 40193746Sjulian u_int16_t phy_sts = 0, media, advert, ability; 40293746Sjulian u_int16_t ability2 = 0; 40393746Sjulian struct ifnet *ifp; 40493746Sjulian struct ifmedia *ifm; 40593746Sjulian 406149151Sjhb MY_LOCK_ASSERT(sc); 40793746Sjulian 40893746Sjulian ifm = &sc->ifmedia; 409147256Sbrooks ifp = sc->my_ifp; 41093746Sjulian 41193746Sjulian ifm->ifm_media = IFM_ETHER | IFM_AUTO; 41293746Sjulian 41393746Sjulian#ifndef FORCE_AUTONEG_TFOUR 41493746Sjulian /* 41593746Sjulian * First, see if autoneg is supported. If not, there's no point in 41693746Sjulian * continuing. 41793746Sjulian */ 41893746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 41993746Sjulian if (!(phy_sts & PHY_BMSR_CANAUTONEG)) { 42093746Sjulian if (verbose) 421162321Sglebius device_printf(sc->my_dev, 422162321Sglebius "autonegotiation not supported\n"); 42393746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 42493746Sjulian return; 42593746Sjulian } 42693746Sjulian#endif 42793746Sjulian switch (flag) { 42893746Sjulian case MY_FLAG_FORCEDELAY: 42993746Sjulian /* 43093746Sjulian * XXX Never use this option anywhere but in the probe 43193746Sjulian * routine: making the kernel stop dead in its tracks for 43293746Sjulian * three whole seconds after we've gone multi-user is really 43393746Sjulian * bad manners. 43493746Sjulian */ 43593746Sjulian my_autoneg_xmit(sc); 43693746Sjulian DELAY(5000000); 43793746Sjulian break; 43893746Sjulian case MY_FLAG_SCHEDDELAY: 43993746Sjulian /* 44093746Sjulian * Wait for the transmitter to go idle before starting an 44193746Sjulian * autoneg session, otherwise my_start() may clobber our 44293746Sjulian * timeout, and we don't want to allow transmission during an 44393746Sjulian * autoneg session since that can screw it up. 44493746Sjulian */ 44593746Sjulian if (sc->my_cdata.my_tx_head != NULL) { 44693746Sjulian sc->my_want_auto = 1; 44793746Sjulian MY_UNLOCK(sc); 44893746Sjulian return; 44993746Sjulian } 45093746Sjulian my_autoneg_xmit(sc); 451199540Sjhb callout_reset(&sc->my_autoneg_timer, hz * 5, my_autoneg_timeout, 452199540Sjhb sc); 45393746Sjulian sc->my_autoneg = 1; 45493746Sjulian sc->my_want_auto = 0; 45593746Sjulian return; 45693746Sjulian case MY_FLAG_DELAYTIMEO: 457199540Sjhb callout_stop(&sc->my_autoneg_timer); 45893746Sjulian sc->my_autoneg = 0; 45993746Sjulian break; 46093746Sjulian default: 461162321Sglebius device_printf(sc->my_dev, "invalid autoneg flag: %d\n", flag); 46293746Sjulian return; 46393746Sjulian } 46493746Sjulian 46593746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) { 46693746Sjulian if (verbose) 467162321Sglebius device_printf(sc->my_dev, "autoneg complete, "); 46893746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 46993746Sjulian } else { 47093746Sjulian if (verbose) 471162321Sglebius device_printf(sc->my_dev, "autoneg not complete, "); 47293746Sjulian } 47393746Sjulian 47493746Sjulian media = my_phy_readreg(sc, PHY_BMCR); 47593746Sjulian 47693746Sjulian /* Link is good. Report modes and set duplex mode. */ 47793746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT) { 47893746Sjulian if (verbose) 479162321Sglebius device_printf(sc->my_dev, "link status good. "); 48093746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 48193746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 48293746Sjulian if ((sc->my_pinfo->my_vid == MarvellPHYID0) || 48393746Sjulian (sc->my_pinfo->my_vid == LevelOnePHYID0)) { 48493746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 48593746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 48693746Sjulian advert = 0; 48793746Sjulian ability = 0; 48893746Sjulian /* 48993746Sjulian * this version did not support 1000M, 49093746Sjulian * ifm->ifm_media = 49195673Sphk * IFM_ETHER|IFM_1000_T|IFM_FDX; 49293746Sjulian */ 49393746Sjulian ifm->ifm_media = 49493746Sjulian IFM_ETHER | IFM_100_TX | IFM_FDX; 49593746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 49693746Sjulian media |= PHY_BMCR_1000; 49793746Sjulian media |= PHY_BMCR_DUPLEX; 49893746Sjulian printf("(full-duplex, 1000Mbps)\n"); 49993746Sjulian } else if (ability2 & PHY_1000SR_1000BTXHALF) { 50093746Sjulian advert = 0; 50193746Sjulian ability = 0; 50293746Sjulian /* 50393746Sjulian * this version did not support 1000M, 50495673Sphk * ifm->ifm_media = IFM_ETHER|IFM_1000_T; 50593746Sjulian */ 50693746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX; 50793746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 50893746Sjulian media &= ~PHY_BMCR_DUPLEX; 50993746Sjulian media |= PHY_BMCR_1000; 51093746Sjulian printf("(half-duplex, 1000Mbps)\n"); 51193746Sjulian } 51293746Sjulian } 51393746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) { 51493746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_T4; 51593746Sjulian media |= PHY_BMCR_SPEEDSEL; 51693746Sjulian media &= ~PHY_BMCR_DUPLEX; 51793746Sjulian printf("(100baseT4)\n"); 51893746Sjulian } else if (advert & PHY_ANAR_100BTXFULL && 51993746Sjulian ability & PHY_ANAR_100BTXFULL) { 52093746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 52193746Sjulian media |= PHY_BMCR_SPEEDSEL; 52293746Sjulian media |= PHY_BMCR_DUPLEX; 52393746Sjulian printf("(full-duplex, 100Mbps)\n"); 52493746Sjulian } else if (advert & PHY_ANAR_100BTXHALF && 52593746Sjulian ability & PHY_ANAR_100BTXHALF) { 52693746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 52793746Sjulian media |= PHY_BMCR_SPEEDSEL; 52893746Sjulian media &= ~PHY_BMCR_DUPLEX; 52993746Sjulian printf("(half-duplex, 100Mbps)\n"); 53093746Sjulian } else if (advert & PHY_ANAR_10BTFULL && 53193746Sjulian ability & PHY_ANAR_10BTFULL) { 53293746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 53393746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 53493746Sjulian media |= PHY_BMCR_DUPLEX; 53593746Sjulian printf("(full-duplex, 10Mbps)\n"); 53693746Sjulian } else if (advert) { 53793746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 53893746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 53993746Sjulian media &= ~PHY_BMCR_DUPLEX; 54093746Sjulian printf("(half-duplex, 10Mbps)\n"); 54193746Sjulian } 54293746Sjulian media &= ~PHY_BMCR_AUTONEGENBL; 54393746Sjulian 54493746Sjulian /* Set ASIC's duplex mode to match the PHY. */ 54593746Sjulian my_phy_writereg(sc, PHY_BMCR, media); 54693746Sjulian my_setcfg(sc, media); 54793746Sjulian } else { 54893746Sjulian if (verbose) 549162321Sglebius device_printf(sc->my_dev, "no carrier\n"); 55093746Sjulian } 55193746Sjulian 552149151Sjhb my_init_locked(sc); 55393746Sjulian if (sc->my_tx_pend) { 55493746Sjulian sc->my_autoneg = 0; 55593746Sjulian sc->my_tx_pend = 0; 556149151Sjhb my_start_locked(ifp); 55793746Sjulian } 55893746Sjulian return; 55993746Sjulian} 56093746Sjulian 56193746Sjulian/* 56293746Sjulian * To get PHY ability. 56393746Sjulian */ 56493746Sjulianstatic void 56593746Sjulianmy_getmode_mii(struct my_softc * sc) 56693746Sjulian{ 56793746Sjulian u_int16_t bmsr; 56893746Sjulian struct ifnet *ifp; 56993746Sjulian 570149151Sjhb MY_LOCK_ASSERT(sc); 571147256Sbrooks ifp = sc->my_ifp; 57293746Sjulian bmsr = my_phy_readreg(sc, PHY_BMSR); 57393746Sjulian if (bootverbose) 574162321Sglebius device_printf(sc->my_dev, "PHY status word: %x\n", bmsr); 57593746Sjulian 57693746Sjulian /* fallback */ 57793746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 57893746Sjulian 57993746Sjulian if (bmsr & PHY_BMSR_10BTHALF) { 58093746Sjulian if (bootverbose) 581162321Sglebius device_printf(sc->my_dev, 582162321Sglebius "10Mbps half-duplex mode supported\n"); 58393746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_HDX, 58493746Sjulian 0, NULL); 58593746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, NULL); 58693746Sjulian } 58793746Sjulian if (bmsr & PHY_BMSR_10BTFULL) { 58893746Sjulian if (bootverbose) 589162321Sglebius device_printf(sc->my_dev, 590162321Sglebius "10Mbps full-duplex mode supported\n"); 59193746Sjulian 59293746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 59393746Sjulian 0, NULL); 59493746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 59593746Sjulian } 59693746Sjulian if (bmsr & PHY_BMSR_100BTXHALF) { 59793746Sjulian if (bootverbose) 598162321Sglebius device_printf(sc->my_dev, 599162321Sglebius "100Mbps half-duplex mode supported\n"); 60093746Sjulian ifp->if_baudrate = 100000000; 60193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL); 60293746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_HDX, 60393746Sjulian 0, NULL); 60493746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 60593746Sjulian } 60693746Sjulian if (bmsr & PHY_BMSR_100BTXFULL) { 60793746Sjulian if (bootverbose) 608162321Sglebius device_printf(sc->my_dev, 609162321Sglebius "100Mbps full-duplex mode supported\n"); 61093746Sjulian ifp->if_baudrate = 100000000; 61193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 61293746Sjulian 0, NULL); 61393746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 61493746Sjulian } 61593746Sjulian /* Some also support 100BaseT4. */ 61693746Sjulian if (bmsr & PHY_BMSR_100BT4) { 61793746Sjulian if (bootverbose) 618162321Sglebius device_printf(sc->my_dev, "100baseT4 mode supported\n"); 61993746Sjulian ifp->if_baudrate = 100000000; 62093746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_T4, 0, NULL); 62193746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_T4; 62293746Sjulian#ifdef FORCE_AUTONEG_TFOUR 62393746Sjulian if (bootverbose) 624162321Sglebius device_printf(sc->my_dev, 625162321Sglebius "forcing on autoneg support for BT4\n"); 62693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0 NULL): 62793746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 62893746Sjulian#endif 62993746Sjulian } 63094863Sjulian#if 0 /* this version did not support 1000M, */ 63193746Sjulian if (sc->my_pinfo->my_vid == MarvellPHYID0) { 63293746Sjulian if (bootverbose) 633162321Sglebius device_printf(sc->my_dev, 634162321Sglebius "1000Mbps half-duplex mode supported\n"); 63593746Sjulian 63693746Sjulian ifp->if_baudrate = 1000000000; 63795673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T, 0, NULL); 63895673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_HDX, 63993746Sjulian 0, NULL); 64093746Sjulian if (bootverbose) 641162321Sglebius device_printf(sc->my_dev, 642162321Sglebius "1000Mbps full-duplex mode supported\n"); 64393746Sjulian ifp->if_baudrate = 1000000000; 64495673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 64593746Sjulian 0, NULL); 64695673Sphk sc->ifmedia.ifm_media = IFM_ETHER | IFM_1000_T | IFM_FDX; 64793746Sjulian } 64893746Sjulian#endif 64993746Sjulian if (bmsr & PHY_BMSR_CANAUTONEG) { 65093746Sjulian if (bootverbose) 651162321Sglebius device_printf(sc->my_dev, "autoneg supported\n"); 65293746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 65393746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 65493746Sjulian } 65593746Sjulian return; 65693746Sjulian} 65793746Sjulian 65893746Sjulian/* 65993746Sjulian * Set speed and duplex mode. 66093746Sjulian */ 66193746Sjulianstatic void 66293746Sjulianmy_setmode_mii(struct my_softc * sc, int media) 66393746Sjulian{ 66493746Sjulian u_int16_t bmcr; 66593746Sjulian struct ifnet *ifp; 66693746Sjulian 667149151Sjhb MY_LOCK_ASSERT(sc); 668147256Sbrooks ifp = sc->my_ifp; 66993746Sjulian /* 67093746Sjulian * If an autoneg session is in progress, stop it. 67193746Sjulian */ 67293746Sjulian if (sc->my_autoneg) { 673162321Sglebius device_printf(sc->my_dev, "canceling autoneg session\n"); 674199540Sjhb callout_stop(&sc->my_autoneg_timer); 675199540Sjhb sc->my_autoneg = sc->my_want_auto = 0; 67693746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 67793746Sjulian bmcr &= ~PHY_BMCR_AUTONEGENBL; 67893746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 67993746Sjulian } 680162321Sglebius device_printf(sc->my_dev, "selecting MII, "); 68193746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 68293746Sjulian bmcr &= ~(PHY_BMCR_AUTONEGENBL | PHY_BMCR_SPEEDSEL | PHY_BMCR_1000 | 68393746Sjulian PHY_BMCR_DUPLEX | PHY_BMCR_LOOPBK); 68494863Sjulian 68594863Sjulian#if 0 /* this version did not support 1000M, */ 68695673Sphk if (IFM_SUBTYPE(media) == IFM_1000_T) { 68793746Sjulian printf("1000Mbps/T4, half-duplex\n"); 68893746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 68993746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 69093746Sjulian bmcr |= PHY_BMCR_1000; 69193746Sjulian } 69293746Sjulian#endif 69393746Sjulian if (IFM_SUBTYPE(media) == IFM_100_T4) { 69493746Sjulian printf("100Mbps/T4, half-duplex\n"); 69593746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 69693746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 69793746Sjulian } 69893746Sjulian if (IFM_SUBTYPE(media) == IFM_100_TX) { 69993746Sjulian printf("100Mbps, "); 70093746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 70193746Sjulian } 70293746Sjulian if (IFM_SUBTYPE(media) == IFM_10_T) { 70393746Sjulian printf("10Mbps, "); 70493746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 70593746Sjulian } 70693746Sjulian if ((media & IFM_GMASK) == IFM_FDX) { 70793746Sjulian printf("full duplex\n"); 70893746Sjulian bmcr |= PHY_BMCR_DUPLEX; 70993746Sjulian } else { 71093746Sjulian printf("half duplex\n"); 71193746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 71293746Sjulian } 71393746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 71493746Sjulian my_setcfg(sc, bmcr); 71593746Sjulian return; 71693746Sjulian} 71793746Sjulian 71893746Sjulian/* 71993746Sjulian * The Myson manual states that in order to fiddle with the 'full-duplex' and 72093746Sjulian * '100Mbps' bits in the netconfig register, we first have to put the 72193746Sjulian * transmit and/or receive logic in the idle state. 72293746Sjulian */ 72393746Sjulianstatic void 72493746Sjulianmy_setcfg(struct my_softc * sc, int bmcr) 72593746Sjulian{ 72693746Sjulian int i, restart = 0; 72793746Sjulian 728149151Sjhb MY_LOCK_ASSERT(sc); 72993746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & (MY_TE | MY_RE)) { 73093746Sjulian restart = 1; 73193746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_TE | MY_RE)); 73293746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 73393746Sjulian DELAY(10); 73493746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & 73593746Sjulian (MY_TXRUN | MY_RXRUN))) 73693746Sjulian break; 73793746Sjulian } 73893746Sjulian if (i == MY_TIMEOUT) 739162321Sglebius device_printf(sc->my_dev, 740148945Sjhb "failed to force tx and rx to idle \n"); 74193746Sjulian } 74293746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS1000); 74393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS10); 74493746Sjulian if (bmcr & PHY_BMCR_1000) 74593746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS1000); 74693746Sjulian else if (!(bmcr & PHY_BMCR_SPEEDSEL)) 74793746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS10); 74893746Sjulian if (bmcr & PHY_BMCR_DUPLEX) 74993746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_FD); 75093746Sjulian else 75193746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_FD); 75293746Sjulian if (restart) 75393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE | MY_RE); 75493746Sjulian return; 75593746Sjulian} 75693746Sjulian 75793746Sjulianstatic void 75893746Sjulianmy_reset(struct my_softc * sc) 75993746Sjulian{ 76093746Sjulian register int i; 76193746Sjulian 762149151Sjhb MY_LOCK_ASSERT(sc); 76393746Sjulian MY_SETBIT(sc, MY_BCR, MY_SWR); 76493746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 76593746Sjulian DELAY(10); 76693746Sjulian if (!(CSR_READ_4(sc, MY_BCR) & MY_SWR)) 76793746Sjulian break; 76893746Sjulian } 76993746Sjulian if (i == MY_TIMEOUT) 770162321Sglebius device_printf(sc->my_dev, "reset never completed!\n"); 77193746Sjulian 77293746Sjulian /* Wait a little while for the chip to get its brains in order. */ 77393746Sjulian DELAY(1000); 77493746Sjulian return; 77593746Sjulian} 77693746Sjulian 77793746Sjulian/* 77893746Sjulian * Probe for a Myson chip. Check the PCI vendor and device IDs against our 77993746Sjulian * list and return a device name if we find a match. 78093746Sjulian */ 78193746Sjulianstatic int 78293746Sjulianmy_probe(device_t dev) 78393746Sjulian{ 78493746Sjulian struct my_type *t; 78593746Sjulian 78693746Sjulian t = my_devs; 78793746Sjulian while (t->my_name != NULL) { 78893746Sjulian if ((pci_get_vendor(dev) == t->my_vid) && 78993746Sjulian (pci_get_device(dev) == t->my_did)) { 79093746Sjulian device_set_desc(dev, t->my_name); 79193746Sjulian my_info_tmp = t; 792143158Simp return (BUS_PROBE_DEFAULT); 79393746Sjulian } 79493746Sjulian t++; 79593746Sjulian } 79693746Sjulian return (ENXIO); 79793746Sjulian} 79893746Sjulian 79993746Sjulian/* 80093746Sjulian * Attach the interface. Allocate softc structures, do ifmedia setup and 80193746Sjulian * ethernet/BPF attach. 80293746Sjulian */ 80393746Sjulianstatic int 80493746Sjulianmy_attach(device_t dev) 80593746Sjulian{ 806149151Sjhb int i; 80793746Sjulian u_char eaddr[ETHER_ADDR_LEN]; 808148946Sjhb u_int32_t iobase; 80993746Sjulian struct my_softc *sc; 81093746Sjulian struct ifnet *ifp; 81193746Sjulian int media = IFM_ETHER | IFM_100_TX | IFM_FDX; 81293746Sjulian unsigned int round; 81393746Sjulian caddr_t roundptr; 81493746Sjulian struct my_type *p; 81593746Sjulian u_int16_t phy_vid, phy_did, phy_sts = 0; 816148945Sjhb int rid, error = 0; 81793746Sjulian 81893746Sjulian sc = device_get_softc(dev); 819162321Sglebius sc->my_dev = dev; 82095803Sjulian mtx_init(&sc->my_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 821149151Sjhb MTX_DEF); 822199540Sjhb callout_init_mtx(&sc->my_autoneg_timer, &sc->my_mtx, 0); 823199540Sjhb callout_init_mtx(&sc->my_watchdog, &sc->my_mtx, 0); 82493746Sjulian 82593746Sjulian /* 82693746Sjulian * Map control/status registers. 82793746Sjulian */ 828148946Sjhb pci_enable_busmaster(dev); 82993746Sjulian 83093746Sjulian if (my_info_tmp->my_did == MTD800ID) { 83193746Sjulian iobase = pci_read_config(dev, MY_PCI_LOIO, 4); 83293746Sjulian if (iobase & 0x300) 83393746Sjulian MY_USEIOSPACE = 0; 83493746Sjulian } 83593746Sjulian 83693746Sjulian rid = MY_RID; 837127135Snjl sc->my_res = bus_alloc_resource_any(dev, MY_RES, &rid, RF_ACTIVE); 83893746Sjulian 83993746Sjulian if (sc->my_res == NULL) { 840148945Sjhb device_printf(dev, "couldn't map ports/memory\n"); 84193746Sjulian error = ENXIO; 842149151Sjhb goto destroy_mutex; 84393746Sjulian } 84493746Sjulian sc->my_btag = rman_get_bustag(sc->my_res); 84593746Sjulian sc->my_bhandle = rman_get_bushandle(sc->my_res); 84693746Sjulian 84793746Sjulian rid = 0; 848127135Snjl sc->my_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 849127135Snjl RF_SHAREABLE | RF_ACTIVE); 85093746Sjulian 85193746Sjulian if (sc->my_irq == NULL) { 852148945Sjhb device_printf(dev, "couldn't map interrupt\n"); 85393746Sjulian error = ENXIO; 854149151Sjhb goto release_io; 85593746Sjulian } 85693746Sjulian 85793746Sjulian sc->my_info = my_info_tmp; 85893746Sjulian 85993746Sjulian /* Reset the adapter. */ 860149151Sjhb MY_LOCK(sc); 86193746Sjulian my_reset(sc); 862149151Sjhb MY_UNLOCK(sc); 86393746Sjulian 86493746Sjulian /* 86593746Sjulian * Get station address 86693746Sjulian */ 86793746Sjulian for (i = 0; i < ETHER_ADDR_LEN; ++i) 86893746Sjulian eaddr[i] = CSR_READ_1(sc, MY_PAR0 + i); 86993746Sjulian 87093746Sjulian sc->my_ldata_ptr = malloc(sizeof(struct my_list_data) + 8, 87193746Sjulian M_DEVBUF, M_NOWAIT); 87293746Sjulian if (sc->my_ldata_ptr == NULL) { 873148945Sjhb device_printf(dev, "no memory for list buffers!\n"); 87493746Sjulian error = ENXIO; 875149151Sjhb goto release_irq; 87693746Sjulian } 87793746Sjulian sc->my_ldata = (struct my_list_data *) sc->my_ldata_ptr; 878106588Sjhb round = (uintptr_t)sc->my_ldata_ptr & 0xF; 87993746Sjulian roundptr = sc->my_ldata_ptr; 88093746Sjulian for (i = 0; i < 8; i++) { 88193746Sjulian if (round % 8) { 88293746Sjulian round++; 88393746Sjulian roundptr++; 88493746Sjulian } else 88593746Sjulian break; 88693746Sjulian } 88793746Sjulian sc->my_ldata = (struct my_list_data *) roundptr; 88893746Sjulian bzero(sc->my_ldata, sizeof(struct my_list_data)); 88993746Sjulian 890147256Sbrooks ifp = sc->my_ifp = if_alloc(IFT_ETHER); 891147256Sbrooks if (ifp == NULL) { 892147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 893147256Sbrooks error = ENOSPC; 894149151Sjhb goto free_ldata; 895147256Sbrooks } 89693746Sjulian ifp->if_softc = sc; 897121816Sbrooks if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 89893746Sjulian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 89993746Sjulian ifp->if_ioctl = my_ioctl; 90093746Sjulian ifp->if_start = my_start; 90193746Sjulian ifp->if_init = my_init; 90293746Sjulian ifp->if_baudrate = 10000000; 903207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 904207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 905159291Sbrueffer IFQ_SET_READY(&ifp->if_snd); 90693746Sjulian 90793746Sjulian if (sc->my_info->my_did == MTD803ID) 90893746Sjulian sc->my_pinfo = my_phys; 90993746Sjulian else { 91093746Sjulian if (bootverbose) 911148945Sjhb device_printf(dev, "probing for a PHY\n"); 912149151Sjhb MY_LOCK(sc); 91393746Sjulian for (i = MY_PHYADDR_MIN; i < MY_PHYADDR_MAX + 1; i++) { 91493746Sjulian if (bootverbose) 915148945Sjhb device_printf(dev, "checking address: %d\n", i); 91693746Sjulian sc->my_phy_addr = i; 91793746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 91893746Sjulian if ((phy_sts != 0) && (phy_sts != 0xffff)) 91993746Sjulian break; 92093746Sjulian else 92193746Sjulian phy_sts = 0; 92293746Sjulian } 92393746Sjulian if (phy_sts) { 92493746Sjulian phy_vid = my_phy_readreg(sc, PHY_VENID); 92593746Sjulian phy_did = my_phy_readreg(sc, PHY_DEVID); 92693746Sjulian if (bootverbose) { 927148945Sjhb device_printf(dev, "found PHY at address %d, ", 928148945Sjhb sc->my_phy_addr); 92993746Sjulian printf("vendor id: %x device id: %x\n", 93093746Sjulian phy_vid, phy_did); 93193746Sjulian } 93293746Sjulian p = my_phys; 93393746Sjulian while (p->my_vid) { 93493746Sjulian if (phy_vid == p->my_vid) { 93593746Sjulian sc->my_pinfo = p; 93693746Sjulian break; 93793746Sjulian } 93893746Sjulian p++; 93993746Sjulian } 94093746Sjulian if (sc->my_pinfo == NULL) 94193746Sjulian sc->my_pinfo = &my_phys[PHY_UNKNOWN]; 94293746Sjulian if (bootverbose) 943148945Sjhb device_printf(dev, "PHY type: %s\n", 944148945Sjhb sc->my_pinfo->my_name); 94593746Sjulian } else { 946149151Sjhb MY_UNLOCK(sc); 947148945Sjhb device_printf(dev, "MII without any phy!\n"); 94893746Sjulian error = ENXIO; 949149151Sjhb goto free_if; 95093746Sjulian } 951149151Sjhb MY_UNLOCK(sc); 95293746Sjulian } 95393746Sjulian 95493746Sjulian /* Do ifmedia setup. */ 95593746Sjulian ifmedia_init(&sc->ifmedia, 0, my_ifmedia_upd, my_ifmedia_sts); 956149151Sjhb MY_LOCK(sc); 95793746Sjulian my_getmode_mii(sc); 95893746Sjulian my_autoneg_mii(sc, MY_FLAG_FORCEDELAY, 1); 95993746Sjulian media = sc->ifmedia.ifm_media; 96093746Sjulian my_stop(sc); 961149151Sjhb MY_UNLOCK(sc); 96293746Sjulian ifmedia_set(&sc->ifmedia, media); 96393746Sjulian 964106937Ssam ether_ifattach(ifp, eaddr); 965149151Sjhb 966149151Sjhb error = bus_setup_intr(dev, sc->my_irq, INTR_TYPE_NET | INTR_MPSAFE, 967166901Spiso NULL, my_intr, sc, &sc->my_intrhand); 968149151Sjhb 969149151Sjhb if (error) { 970149151Sjhb device_printf(dev, "couldn't set up irq\n"); 971149151Sjhb goto detach_if; 972149151Sjhb } 97393746Sjulian 97493746Sjulian return (0); 97593746Sjulian 976149151Sjhbdetach_if: 977149151Sjhb ether_ifdetach(ifp); 978149151Sjhbfree_if: 979149151Sjhb if_free(ifp); 980149151Sjhbfree_ldata: 981149151Sjhb free(sc->my_ldata_ptr, M_DEVBUF); 982149151Sjhbrelease_irq: 983149151Sjhb bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 984149151Sjhbrelease_io: 985149151Sjhb bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 986149151Sjhbdestroy_mutex: 98793746Sjulian mtx_destroy(&sc->my_mtx); 98893746Sjulian return (error); 98993746Sjulian} 99093746Sjulian 99193746Sjulianstatic int 99293746Sjulianmy_detach(device_t dev) 99393746Sjulian{ 99493746Sjulian struct my_softc *sc; 99593746Sjulian struct ifnet *ifp; 99693746Sjulian 99793746Sjulian sc = device_get_softc(dev); 998199540Sjhb ifp = sc->my_ifp; 999199540Sjhb ether_ifdetach(ifp); 100093746Sjulian MY_LOCK(sc); 1001149151Sjhb my_stop(sc); 1002149151Sjhb MY_UNLOCK(sc); 1003149151Sjhb bus_teardown_intr(dev, sc->my_irq, sc->my_intrhand); 1004199540Sjhb callout_drain(&sc->my_watchdog); 1005199540Sjhb callout_drain(&sc->my_autoneg_timer); 1006149151Sjhb 1007147256Sbrooks if_free(ifp); 1008149151Sjhb free(sc->my_ldata_ptr, M_DEVBUF); 100993746Sjulian 101093746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 101193746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 101293746Sjulian mtx_destroy(&sc->my_mtx); 101393746Sjulian return (0); 101493746Sjulian} 101593746Sjulian 101693746Sjulian 101793746Sjulian/* 101893746Sjulian * Initialize the transmit descriptors. 101993746Sjulian */ 102093746Sjulianstatic int 102193746Sjulianmy_list_tx_init(struct my_softc * sc) 102293746Sjulian{ 102393746Sjulian struct my_chain_data *cd; 102493746Sjulian struct my_list_data *ld; 102593746Sjulian int i; 102693746Sjulian 1027149151Sjhb MY_LOCK_ASSERT(sc); 102893746Sjulian cd = &sc->my_cdata; 102993746Sjulian ld = sc->my_ldata; 103093746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 103193746Sjulian cd->my_tx_chain[i].my_ptr = &ld->my_tx_list[i]; 103293746Sjulian if (i == (MY_TX_LIST_CNT - 1)) 103393746Sjulian cd->my_tx_chain[i].my_nextdesc = &cd->my_tx_chain[0]; 103493746Sjulian else 103593746Sjulian cd->my_tx_chain[i].my_nextdesc = 103693746Sjulian &cd->my_tx_chain[i + 1]; 103793746Sjulian } 103893746Sjulian cd->my_tx_free = &cd->my_tx_chain[0]; 103993746Sjulian cd->my_tx_tail = cd->my_tx_head = NULL; 104093746Sjulian return (0); 104193746Sjulian} 104293746Sjulian 104393746Sjulian/* 104493746Sjulian * Initialize the RX descriptors and allocate mbufs for them. Note that we 104593746Sjulian * arrange the descriptors in a closed ring, so that the last descriptor 104693746Sjulian * points back to the first. 104793746Sjulian */ 104893746Sjulianstatic int 104993746Sjulianmy_list_rx_init(struct my_softc * sc) 105093746Sjulian{ 105193746Sjulian struct my_chain_data *cd; 105293746Sjulian struct my_list_data *ld; 105393746Sjulian int i; 105493746Sjulian 1055149151Sjhb MY_LOCK_ASSERT(sc); 105693746Sjulian cd = &sc->my_cdata; 105793746Sjulian ld = sc->my_ldata; 105893746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 105993746Sjulian cd->my_rx_chain[i].my_ptr = 106093746Sjulian (struct my_desc *) & ld->my_rx_list[i]; 106197641Sjulian if (my_newbuf(sc, &cd->my_rx_chain[i]) == ENOBUFS) { 106297641Sjulian MY_UNLOCK(sc); 106393746Sjulian return (ENOBUFS); 106497641Sjulian } 106593746Sjulian if (i == (MY_RX_LIST_CNT - 1)) { 106693746Sjulian cd->my_rx_chain[i].my_nextdesc = &cd->my_rx_chain[0]; 106793746Sjulian ld->my_rx_list[i].my_next = vtophys(&ld->my_rx_list[0]); 106893746Sjulian } else { 106993746Sjulian cd->my_rx_chain[i].my_nextdesc = 107093746Sjulian &cd->my_rx_chain[i + 1]; 107193746Sjulian ld->my_rx_list[i].my_next = 107293746Sjulian vtophys(&ld->my_rx_list[i + 1]); 107393746Sjulian } 107493746Sjulian } 107593746Sjulian cd->my_rx_head = &cd->my_rx_chain[0]; 107693746Sjulian return (0); 107793746Sjulian} 107893746Sjulian 107993746Sjulian/* 108093746Sjulian * Initialize an RX descriptor and attach an MBUF cluster. 108193746Sjulian */ 108293746Sjulianstatic int 108393746Sjulianmy_newbuf(struct my_softc * sc, struct my_chain_onefrag * c) 108493746Sjulian{ 108593746Sjulian struct mbuf *m_new = NULL; 108693746Sjulian 1087149151Sjhb MY_LOCK_ASSERT(sc); 1088243857Sglebius MGETHDR(m_new, M_NOWAIT, MT_DATA); 108993746Sjulian if (m_new == NULL) { 1090162321Sglebius device_printf(sc->my_dev, 1091148945Sjhb "no memory for rx list -- packet dropped!\n"); 109293746Sjulian return (ENOBUFS); 109393746Sjulian } 1094243857Sglebius MCLGET(m_new, M_NOWAIT); 109593746Sjulian if (!(m_new->m_flags & M_EXT)) { 1096162321Sglebius device_printf(sc->my_dev, 1097148945Sjhb "no memory for rx list -- packet dropped!\n"); 109893746Sjulian m_freem(m_new); 109993746Sjulian return (ENOBUFS); 110093746Sjulian } 110193746Sjulian c->my_mbuf = m_new; 110293746Sjulian c->my_ptr->my_data = vtophys(mtod(m_new, caddr_t)); 110393746Sjulian c->my_ptr->my_ctl = (MCLBYTES - 1) << MY_RBSShift; 110493746Sjulian c->my_ptr->my_status = MY_OWNByNIC; 110593746Sjulian return (0); 110693746Sjulian} 110793746Sjulian 110893746Sjulian/* 110993746Sjulian * A frame has been uploaded: pass the resulting mbuf chain up to the higher 111093746Sjulian * level protocols. 111193746Sjulian */ 111293746Sjulianstatic void 111393746Sjulianmy_rxeof(struct my_softc * sc) 111493746Sjulian{ 111593746Sjulian struct ether_header *eh; 111693746Sjulian struct mbuf *m; 111793746Sjulian struct ifnet *ifp; 111893746Sjulian struct my_chain_onefrag *cur_rx; 111993746Sjulian int total_len = 0; 112093746Sjulian u_int32_t rxstat; 112193746Sjulian 1122149151Sjhb MY_LOCK_ASSERT(sc); 1123147256Sbrooks ifp = sc->my_ifp; 112493746Sjulian while (!((rxstat = sc->my_cdata.my_rx_head->my_ptr->my_status) 112593746Sjulian & MY_OWNByNIC)) { 112693746Sjulian cur_rx = sc->my_cdata.my_rx_head; 112793746Sjulian sc->my_cdata.my_rx_head = cur_rx->my_nextdesc; 112893746Sjulian 112993746Sjulian if (rxstat & MY_ES) { /* error summary: give up this rx pkt */ 113093746Sjulian ifp->if_ierrors++; 113193746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 113293746Sjulian continue; 113393746Sjulian } 113493746Sjulian /* No errors; receive the packet. */ 113593746Sjulian total_len = (rxstat & MY_FLNGMASK) >> MY_FLNGShift; 113693746Sjulian total_len -= ETHER_CRC_LEN; 113793746Sjulian 113893746Sjulian if (total_len < MINCLSIZE) { 113993746Sjulian m = m_devget(mtod(cur_rx->my_mbuf, char *), 114093746Sjulian total_len, 0, ifp, NULL); 114193746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 114293746Sjulian if (m == NULL) { 114393746Sjulian ifp->if_ierrors++; 114493746Sjulian continue; 114593746Sjulian } 114693746Sjulian } else { 114793746Sjulian m = cur_rx->my_mbuf; 114893746Sjulian /* 114993746Sjulian * Try to conjure up a new mbuf cluster. If that 115093746Sjulian * fails, it means we have an out of memory condition 115193746Sjulian * and should leave the buffer in place and continue. 115293746Sjulian * This will result in a lost packet, but there's 115393746Sjulian * little else we can do in this situation. 115493746Sjulian */ 115593746Sjulian if (my_newbuf(sc, cur_rx) == ENOBUFS) { 115693746Sjulian ifp->if_ierrors++; 115793746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 115893746Sjulian continue; 115993746Sjulian } 116093746Sjulian m->m_pkthdr.rcvif = ifp; 116193746Sjulian m->m_pkthdr.len = m->m_len = total_len; 116293746Sjulian } 116393746Sjulian ifp->if_ipackets++; 116493746Sjulian eh = mtod(m, struct ether_header *); 116593746Sjulian#if NBPFILTER > 0 116693746Sjulian /* 116793746Sjulian * Handle BPF listeners. Let the BPF user see the packet, but 116893746Sjulian * don't pass it up to the ether_input() layer unless it's a 116993746Sjulian * broadcast packet, multicast packet, matches our ethernet 117093746Sjulian * address or the interface is in promiscuous mode. 117193746Sjulian */ 1172165632Sjhb if (bpf_peers_present(ifp->if_bpf)) { 1173165640Sjhb bpf_mtap(ifp->if_bpf, m); 117493746Sjulian if (ifp->if_flags & IFF_PROMISC && 1175152315Sru (bcmp(eh->ether_dhost, IF_LLADDR(sc->my_ifp), 117693746Sjulian ETHER_ADDR_LEN) && 117793746Sjulian (eh->ether_dhost[0] & 1) == 0)) { 117893746Sjulian m_freem(m); 117993746Sjulian continue; 118093746Sjulian } 118193746Sjulian } 118293746Sjulian#endif 1183122689Ssam MY_UNLOCK(sc); 1184106937Ssam (*ifp->if_input)(ifp, m); 1185122689Ssam MY_LOCK(sc); 118693746Sjulian } 118793746Sjulian return; 118893746Sjulian} 118993746Sjulian 119093746Sjulian 119193746Sjulian/* 119293746Sjulian * A frame was downloaded to the chip. It's safe for us to clean up the list 119393746Sjulian * buffers. 119493746Sjulian */ 119593746Sjulianstatic void 119693746Sjulianmy_txeof(struct my_softc * sc) 119793746Sjulian{ 119893746Sjulian struct my_chain *cur_tx; 119993746Sjulian struct ifnet *ifp; 120093746Sjulian 1201149151Sjhb MY_LOCK_ASSERT(sc); 1202147256Sbrooks ifp = sc->my_ifp; 120393746Sjulian /* Clear the timeout timer. */ 1204199540Sjhb sc->my_timer = 0; 120595939Sjulian if (sc->my_cdata.my_tx_head == NULL) { 120693746Sjulian return; 120795939Sjulian } 120893746Sjulian /* 120993746Sjulian * Go through our tx list and free mbufs for those frames that have 121093746Sjulian * been transmitted. 121193746Sjulian */ 121293746Sjulian while (sc->my_cdata.my_tx_head->my_mbuf != NULL) { 121393746Sjulian u_int32_t txstat; 121493746Sjulian 121593746Sjulian cur_tx = sc->my_cdata.my_tx_head; 121693746Sjulian txstat = MY_TXSTATUS(cur_tx); 121793746Sjulian if ((txstat & MY_OWNByNIC) || txstat == MY_UNSENT) 121893746Sjulian break; 121993746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced)) { 122093746Sjulian if (txstat & MY_TXERR) { 122193746Sjulian ifp->if_oerrors++; 122293746Sjulian if (txstat & MY_EC) /* excessive collision */ 122393746Sjulian ifp->if_collisions++; 122493746Sjulian if (txstat & MY_LC) /* late collision */ 122593746Sjulian ifp->if_collisions++; 122693746Sjulian } 122793746Sjulian ifp->if_collisions += (txstat & MY_NCRMASK) >> 122893746Sjulian MY_NCRShift; 122993746Sjulian } 123093746Sjulian ifp->if_opackets++; 123193746Sjulian m_freem(cur_tx->my_mbuf); 123293746Sjulian cur_tx->my_mbuf = NULL; 123393746Sjulian if (sc->my_cdata.my_tx_head == sc->my_cdata.my_tx_tail) { 123493746Sjulian sc->my_cdata.my_tx_head = NULL; 123593746Sjulian sc->my_cdata.my_tx_tail = NULL; 123693746Sjulian break; 123793746Sjulian } 123893746Sjulian sc->my_cdata.my_tx_head = cur_tx->my_nextdesc; 123993746Sjulian } 124093746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced) { 124193746Sjulian ifp->if_collisions += (CSR_READ_4(sc, MY_TSR) & MY_NCRMask); 124293746Sjulian } 124393746Sjulian return; 124493746Sjulian} 124593746Sjulian 124693746Sjulian/* 124793746Sjulian * TX 'end of channel' interrupt handler. 124893746Sjulian */ 124993746Sjulianstatic void 125093746Sjulianmy_txeoc(struct my_softc * sc) 125193746Sjulian{ 125293746Sjulian struct ifnet *ifp; 125393746Sjulian 1254149151Sjhb MY_LOCK_ASSERT(sc); 1255147256Sbrooks ifp = sc->my_ifp; 1256199540Sjhb sc->my_timer = 0; 125793746Sjulian if (sc->my_cdata.my_tx_head == NULL) { 1258148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 125993746Sjulian sc->my_cdata.my_tx_tail = NULL; 126093746Sjulian if (sc->my_want_auto) 126193746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 126293746Sjulian } else { 126393746Sjulian if (MY_TXOWN(sc->my_cdata.my_tx_head) == MY_UNSENT) { 126493746Sjulian MY_TXOWN(sc->my_cdata.my_tx_head) = MY_OWNByNIC; 1265199540Sjhb sc->my_timer = 5; 126693746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); 126793746Sjulian } 126893746Sjulian } 126993746Sjulian return; 127093746Sjulian} 127193746Sjulian 127293746Sjulianstatic void 127393746Sjulianmy_intr(void *arg) 127493746Sjulian{ 127593746Sjulian struct my_softc *sc; 127693746Sjulian struct ifnet *ifp; 127793746Sjulian u_int32_t status; 127893746Sjulian 127993746Sjulian sc = arg; 128093746Sjulian MY_LOCK(sc); 1281147256Sbrooks ifp = sc->my_ifp; 128293746Sjulian if (!(ifp->if_flags & IFF_UP)) { 128393746Sjulian MY_UNLOCK(sc); 128493746Sjulian return; 128593746Sjulian } 128693746Sjulian /* Disable interrupts. */ 128793746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 128893746Sjulian 128993746Sjulian for (;;) { 129093746Sjulian status = CSR_READ_4(sc, MY_ISR); 129193746Sjulian status &= MY_INTRS; 129293746Sjulian if (status) 129393746Sjulian CSR_WRITE_4(sc, MY_ISR, status); 129493746Sjulian else 129593746Sjulian break; 129693746Sjulian 129793746Sjulian if (status & MY_RI) /* receive interrupt */ 129893746Sjulian my_rxeof(sc); 129993746Sjulian 130093746Sjulian if ((status & MY_RBU) || (status & MY_RxErr)) { 130193746Sjulian /* rx buffer unavailable or rx error */ 130293746Sjulian ifp->if_ierrors++; 130393746Sjulian#ifdef foo 130493746Sjulian my_stop(sc); 130593746Sjulian my_reset(sc); 1306149151Sjhb my_init_locked(sc); 130793746Sjulian#endif 130893746Sjulian } 130993746Sjulian if (status & MY_TI) /* tx interrupt */ 131093746Sjulian my_txeof(sc); 131193746Sjulian if (status & MY_ETI) /* tx early interrupt */ 131293746Sjulian my_txeof(sc); 131393746Sjulian if (status & MY_TBU) /* tx buffer unavailable */ 131493746Sjulian my_txeoc(sc); 131594863Sjulian 131694863Sjulian#if 0 /* 90/1/18 delete */ 131794863Sjulian if (status & MY_FBE) { 131894863Sjulian my_reset(sc); 1319149151Sjhb my_init_locked(sc); 132094863Sjulian } 132194863Sjulian#endif 132294863Sjulian 132393746Sjulian } 132493746Sjulian 132593746Sjulian /* Re-enable interrupts. */ 132693746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 1327159291Sbrueffer if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1328149151Sjhb my_start_locked(ifp); 132993746Sjulian MY_UNLOCK(sc); 133093746Sjulian return; 133193746Sjulian} 133293746Sjulian 133393746Sjulian/* 133493746Sjulian * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data 133593746Sjulian * pointers to the fragment pointers. 133693746Sjulian */ 133793746Sjulianstatic int 133893746Sjulianmy_encap(struct my_softc * sc, struct my_chain * c, struct mbuf * m_head) 133993746Sjulian{ 134093746Sjulian struct my_desc *f = NULL; 134193746Sjulian int total_len; 134293746Sjulian struct mbuf *m, *m_new = NULL; 134393746Sjulian 1344149151Sjhb MY_LOCK_ASSERT(sc); 134593746Sjulian /* calculate the total tx pkt length */ 134693746Sjulian total_len = 0; 134793746Sjulian for (m = m_head; m != NULL; m = m->m_next) 134893746Sjulian total_len += m->m_len; 134993746Sjulian /* 135093746Sjulian * Start packing the mbufs in this chain into the fragment pointers. 135193746Sjulian * Stop when we run out of fragments or hit the end of the mbuf 135293746Sjulian * chain. 135393746Sjulian */ 135493746Sjulian m = m_head; 1355243857Sglebius MGETHDR(m_new, M_NOWAIT, MT_DATA); 135693746Sjulian if (m_new == NULL) { 1357162321Sglebius device_printf(sc->my_dev, "no memory for tx list"); 135893746Sjulian return (1); 135993746Sjulian } 136093746Sjulian if (m_head->m_pkthdr.len > MHLEN) { 1361243857Sglebius MCLGET(m_new, M_NOWAIT); 136293746Sjulian if (!(m_new->m_flags & M_EXT)) { 136393746Sjulian m_freem(m_new); 1364162321Sglebius device_printf(sc->my_dev, "no memory for tx list"); 136593746Sjulian return (1); 136693746Sjulian } 136793746Sjulian } 136893746Sjulian m_copydata(m_head, 0, m_head->m_pkthdr.len, mtod(m_new, caddr_t)); 136993746Sjulian m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len; 137093746Sjulian m_freem(m_head); 137193746Sjulian m_head = m_new; 137293746Sjulian f = &c->my_ptr->my_frag[0]; 137393746Sjulian f->my_status = 0; 137493746Sjulian f->my_data = vtophys(mtod(m_new, caddr_t)); 137593746Sjulian total_len = m_new->m_len; 137693746Sjulian f->my_ctl = MY_TXFD | MY_TXLD | MY_CRCEnable | MY_PADEnable; 137793746Sjulian f->my_ctl |= total_len << MY_PKTShift; /* pkt size */ 137893746Sjulian f->my_ctl |= total_len; /* buffer size */ 137994904Sjulian /* 89/12/29 add, for mtd891 *//* [ 89? ] */ 138093746Sjulian if (sc->my_info->my_did == MTD891ID) 138193746Sjulian f->my_ctl |= MY_ETIControl | MY_RetryTxLC; 138293746Sjulian c->my_mbuf = m_head; 138393746Sjulian c->my_lastdesc = 0; 138493746Sjulian MY_TXNEXT(c) = vtophys(&c->my_nextdesc->my_ptr->my_frag[0]); 138593746Sjulian return (0); 138693746Sjulian} 138793746Sjulian 138893746Sjulian/* 138993746Sjulian * Main transmit routine. To avoid having to do mbuf copies, we put pointers 139093746Sjulian * to the mbuf data regions directly in the transmit lists. We also save a 139193746Sjulian * copy of the pointers since the transmit list fragment pointers are 139293746Sjulian * physical addresses. 139393746Sjulian */ 139493746Sjulianstatic void 139593746Sjulianmy_start(struct ifnet * ifp) 139693746Sjulian{ 139793746Sjulian struct my_softc *sc; 1398149151Sjhb 1399149151Sjhb sc = ifp->if_softc; 1400149151Sjhb MY_LOCK(sc); 1401149151Sjhb my_start_locked(ifp); 1402149151Sjhb MY_UNLOCK(sc); 1403149151Sjhb} 1404149151Sjhb 1405149151Sjhbstatic void 1406149151Sjhbmy_start_locked(struct ifnet * ifp) 1407149151Sjhb{ 1408149151Sjhb struct my_softc *sc; 140993746Sjulian struct mbuf *m_head = NULL; 141093746Sjulian struct my_chain *cur_tx = NULL, *start_tx; 141193746Sjulian 141293746Sjulian sc = ifp->if_softc; 1413149151Sjhb MY_LOCK_ASSERT(sc); 141493746Sjulian if (sc->my_autoneg) { 141593746Sjulian sc->my_tx_pend = 1; 141693746Sjulian return; 141793746Sjulian } 141893746Sjulian /* 141993746Sjulian * Check for an available queue slot. If there are none, punt. 142093746Sjulian */ 142193746Sjulian if (sc->my_cdata.my_tx_free->my_mbuf != NULL) { 1422148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 142393746Sjulian return; 142493746Sjulian } 142593746Sjulian start_tx = sc->my_cdata.my_tx_free; 142693746Sjulian while (sc->my_cdata.my_tx_free->my_mbuf == NULL) { 1427159291Sbrueffer IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head); 142893746Sjulian if (m_head == NULL) 142993746Sjulian break; 143093746Sjulian 143193746Sjulian /* Pick a descriptor off the free list. */ 143293746Sjulian cur_tx = sc->my_cdata.my_tx_free; 143393746Sjulian sc->my_cdata.my_tx_free = cur_tx->my_nextdesc; 143493746Sjulian 143593746Sjulian /* Pack the data into the descriptor. */ 143693746Sjulian my_encap(sc, cur_tx, m_head); 143793746Sjulian 143893746Sjulian if (cur_tx != start_tx) 143993746Sjulian MY_TXOWN(cur_tx) = MY_OWNByNIC; 144093746Sjulian#if NBPFILTER > 0 144193746Sjulian /* 144293746Sjulian * If there's a BPF listener, bounce a copy of this frame to 144393746Sjulian * him. 144493746Sjulian */ 1445106937Ssam BPF_MTAP(ifp, cur_tx->my_mbuf); 144693746Sjulian#endif 144793746Sjulian } 144893746Sjulian /* 144993746Sjulian * If there are no packets queued, bail. 145093746Sjulian */ 145193746Sjulian if (cur_tx == NULL) { 145293746Sjulian return; 145393746Sjulian } 145493746Sjulian /* 145593746Sjulian * Place the request for the upload interrupt in the last descriptor 145693746Sjulian * in the chain. This way, if we're chaining several packets at once, 1457172568Skevlo * we'll only get an interrupt once for the whole chain rather than 145893746Sjulian * once for each packet. 145993746Sjulian */ 146093746Sjulian MY_TXCTL(cur_tx) |= MY_TXIC; 146193746Sjulian cur_tx->my_ptr->my_frag[0].my_ctl |= MY_TXIC; 146293746Sjulian sc->my_cdata.my_tx_tail = cur_tx; 146393746Sjulian if (sc->my_cdata.my_tx_head == NULL) 146493746Sjulian sc->my_cdata.my_tx_head = start_tx; 146593746Sjulian MY_TXOWN(start_tx) = MY_OWNByNIC; 146693746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); /* tx polling demand */ 146793746Sjulian 146893746Sjulian /* 146993746Sjulian * Set a timeout in case the chip goes out to lunch. 147093746Sjulian */ 1471199540Sjhb sc->my_timer = 5; 147293746Sjulian return; 147393746Sjulian} 147493746Sjulian 147593746Sjulianstatic void 147693746Sjulianmy_init(void *xsc) 147793746Sjulian{ 147893746Sjulian struct my_softc *sc = xsc; 1479149151Sjhb 1480149151Sjhb MY_LOCK(sc); 1481149151Sjhb my_init_locked(sc); 1482149151Sjhb MY_UNLOCK(sc); 1483149151Sjhb} 1484149151Sjhb 1485149151Sjhbstatic void 1486149151Sjhbmy_init_locked(struct my_softc *sc) 1487149151Sjhb{ 1488147256Sbrooks struct ifnet *ifp = sc->my_ifp; 148993746Sjulian u_int16_t phy_bmcr = 0; 149093746Sjulian 1491149151Sjhb MY_LOCK_ASSERT(sc); 149293746Sjulian if (sc->my_autoneg) { 149393746Sjulian return; 149493746Sjulian } 149593746Sjulian if (sc->my_pinfo != NULL) 149693746Sjulian phy_bmcr = my_phy_readreg(sc, PHY_BMCR); 149793746Sjulian /* 149893746Sjulian * Cancel pending I/O and free all RX/TX buffers. 149993746Sjulian */ 150093746Sjulian my_stop(sc); 150193746Sjulian my_reset(sc); 150293746Sjulian 150393746Sjulian /* 150493746Sjulian * Set cache alignment and burst length. 150593746Sjulian */ 150694863Sjulian#if 0 /* 89/9/1 modify, */ 150794863Sjulian CSR_WRITE_4(sc, MY_BCR, MY_RPBLE512); 150894863Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF); 150994863Sjulian#endif 151093746Sjulian CSR_WRITE_4(sc, MY_BCR, MY_PBL8); 151193746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF | MY_RBLEN | MY_RPBLE512); 151293746Sjulian /* 151393746Sjulian * 89/12/29 add, for mtd891, 151493746Sjulian */ 151593746Sjulian if (sc->my_info->my_did == MTD891ID) { 151693746Sjulian MY_SETBIT(sc, MY_BCR, MY_PROG); 151793746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_Enhanced); 151893746Sjulian } 151993746Sjulian my_setcfg(sc, phy_bmcr); 152093746Sjulian /* Init circular RX list. */ 152193746Sjulian if (my_list_rx_init(sc) == ENOBUFS) { 1522162321Sglebius device_printf(sc->my_dev, "init failed: no memory for rx buffers\n"); 152393746Sjulian my_stop(sc); 152493746Sjulian return; 152593746Sjulian } 152693746Sjulian /* Init TX descriptors. */ 152793746Sjulian my_list_tx_init(sc); 152893746Sjulian 152993746Sjulian /* If we want promiscuous mode, set the allframes bit. */ 153093746Sjulian if (ifp->if_flags & IFF_PROMISC) 153193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PROM); 153293746Sjulian else 153393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PROM); 153493746Sjulian 153593746Sjulian /* 153693746Sjulian * Set capture broadcast bit to capture broadcast frames. 153793746Sjulian */ 153893746Sjulian if (ifp->if_flags & IFF_BROADCAST) 153993746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_AB); 154093746Sjulian else 154193746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_AB); 154293746Sjulian 154393746Sjulian /* 154493746Sjulian * Program the multicast filter, if necessary. 154593746Sjulian */ 154693746Sjulian my_setmulti(sc); 154793746Sjulian 154893746Sjulian /* 154993746Sjulian * Load the address of the RX list. 155093746Sjulian */ 155193746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_RE); 155293746Sjulian CSR_WRITE_4(sc, MY_RXLBA, vtophys(&sc->my_ldata->my_rx_list[0])); 155393746Sjulian 155493746Sjulian /* 155593746Sjulian * Enable interrupts. 155693746Sjulian */ 155793746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 155893746Sjulian CSR_WRITE_4(sc, MY_ISR, 0xFFFFFFFF); 155993746Sjulian 156093746Sjulian /* Enable receiver and transmitter. */ 156193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_RE); 156293746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_TE); 156393746Sjulian CSR_WRITE_4(sc, MY_TXLBA, vtophys(&sc->my_ldata->my_tx_list[0])); 156493746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE); 156593746Sjulian 156693746Sjulian /* Restore state of BMCR */ 156793746Sjulian if (sc->my_pinfo != NULL) 156893746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_bmcr); 1569148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 1570148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1571199540Sjhb 1572199540Sjhb callout_reset(&sc->my_watchdog, hz, my_watchdog, sc); 157393746Sjulian return; 157493746Sjulian} 157593746Sjulian 157693746Sjulian/* 157793746Sjulian * Set media options. 157893746Sjulian */ 157993746Sjulian 158093746Sjulianstatic int 158193746Sjulianmy_ifmedia_upd(struct ifnet * ifp) 158293746Sjulian{ 158393746Sjulian struct my_softc *sc; 158493746Sjulian struct ifmedia *ifm; 158593746Sjulian 158693746Sjulian sc = ifp->if_softc; 158793746Sjulian MY_LOCK(sc); 158893746Sjulian ifm = &sc->ifmedia; 158993746Sjulian if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) { 159093746Sjulian MY_UNLOCK(sc); 159193746Sjulian return (EINVAL); 159293746Sjulian } 159393746Sjulian if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) 159493746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 159593746Sjulian else 159693746Sjulian my_setmode_mii(sc, ifm->ifm_media); 159793746Sjulian MY_UNLOCK(sc); 159893746Sjulian return (0); 159993746Sjulian} 160093746Sjulian 160193746Sjulian/* 160293746Sjulian * Report current media status. 160393746Sjulian */ 160493746Sjulian 160593746Sjulianstatic void 160693746Sjulianmy_ifmedia_sts(struct ifnet * ifp, struct ifmediareq * ifmr) 160793746Sjulian{ 160893746Sjulian struct my_softc *sc; 160993746Sjulian u_int16_t advert = 0, ability = 0; 161093746Sjulian 161193746Sjulian sc = ifp->if_softc; 161293746Sjulian MY_LOCK(sc); 161393746Sjulian ifmr->ifm_active = IFM_ETHER; 161493746Sjulian if (!(my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_AUTONEGENBL)) { 161594863Sjulian#if 0 /* this version did not support 1000M, */ 161694863Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_1000) 161794863Sjulian ifmr->ifm_active = IFM_ETHER | IFM_1000TX; 161894863Sjulian#endif 161993746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_SPEEDSEL) 162093746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX; 162193746Sjulian else 162293746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T; 162393746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_DUPLEX) 162493746Sjulian ifmr->ifm_active |= IFM_FDX; 162593746Sjulian else 162693746Sjulian ifmr->ifm_active |= IFM_HDX; 162793746Sjulian 162893746Sjulian MY_UNLOCK(sc); 162993746Sjulian return; 163093746Sjulian } 163193746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 163293746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 163393746Sjulian 163494863Sjulian#if 0 /* this version did not support 1000M, */ 163593746Sjulian if (sc->my_pinfo->my_vid = MarvellPHYID0) { 163693746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 163793746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 163893746Sjulian advert = 0; 163993746Sjulian ability = 0; 164095673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_FDX; 164193746Sjulian } else if (ability & PHY_1000SR_1000BTXHALF) { 164293746Sjulian advert = 0; 164393746Sjulian ability = 0; 164495673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_HDX; 164593746Sjulian } 164693746Sjulian } 164793746Sjulian#endif 164893746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) 164993746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_T4; 165093746Sjulian else if (advert & PHY_ANAR_100BTXFULL && ability & PHY_ANAR_100BTXFULL) 165193746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_FDX; 165293746Sjulian else if (advert & PHY_ANAR_100BTXHALF && ability & PHY_ANAR_100BTXHALF) 165393746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_HDX; 165493746Sjulian else if (advert & PHY_ANAR_10BTFULL && ability & PHY_ANAR_10BTFULL) 165593746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_FDX; 165693746Sjulian else if (advert & PHY_ANAR_10BTHALF && ability & PHY_ANAR_10BTHALF) 165793746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_HDX; 165893746Sjulian MY_UNLOCK(sc); 165993746Sjulian return; 166093746Sjulian} 166193746Sjulian 166293746Sjulianstatic int 166393746Sjulianmy_ioctl(struct ifnet * ifp, u_long command, caddr_t data) 166493746Sjulian{ 166593746Sjulian struct my_softc *sc = ifp->if_softc; 166693746Sjulian struct ifreq *ifr = (struct ifreq *) data; 1667149151Sjhb int error; 166893746Sjulian 166993746Sjulian switch (command) { 167093746Sjulian case SIOCSIFFLAGS: 1671149151Sjhb MY_LOCK(sc); 167293746Sjulian if (ifp->if_flags & IFF_UP) 1673149151Sjhb my_init_locked(sc); 1674148887Srwatson else if (ifp->if_drv_flags & IFF_DRV_RUNNING) 167593746Sjulian my_stop(sc); 1676149151Sjhb MY_UNLOCK(sc); 167793746Sjulian error = 0; 167893746Sjulian break; 167993746Sjulian case SIOCADDMULTI: 168093746Sjulian case SIOCDELMULTI: 1681149151Sjhb MY_LOCK(sc); 168293746Sjulian my_setmulti(sc); 1683149151Sjhb MY_UNLOCK(sc); 168493746Sjulian error = 0; 168593746Sjulian break; 168693746Sjulian case SIOCGIFMEDIA: 168793746Sjulian case SIOCSIFMEDIA: 168893746Sjulian error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command); 168993746Sjulian break; 169093746Sjulian default: 1691106937Ssam error = ether_ioctl(ifp, command, data); 169293746Sjulian break; 169393746Sjulian } 169493746Sjulian return (error); 169593746Sjulian} 169693746Sjulian 169793746Sjulianstatic void 1698199540Sjhbmy_watchdog(void *arg) 169993746Sjulian{ 170093746Sjulian struct my_softc *sc; 1701199540Sjhb struct ifnet *ifp; 170293746Sjulian 1703199540Sjhb sc = arg; 1704199540Sjhb MY_LOCK_ASSERT(sc); 1705199540Sjhb callout_reset(&sc->my_watchdog, hz, my_watchdog, sc); 1706199540Sjhb if (sc->my_timer == 0 || --sc->my_timer > 0) 170793746Sjulian return; 1708199540Sjhb 1709199540Sjhb ifp = sc->my_ifp; 171093746Sjulian ifp->if_oerrors++; 1711148945Sjhb if_printf(ifp, "watchdog timeout\n"); 171293746Sjulian if (!(my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT)) 1713148945Sjhb if_printf(ifp, "no carrier - transceiver cable problem?\n"); 171493746Sjulian my_stop(sc); 171593746Sjulian my_reset(sc); 1716149151Sjhb my_init_locked(sc); 1717159291Sbrueffer if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1718149151Sjhb my_start_locked(ifp); 171993746Sjulian} 172093746Sjulian 172193746Sjulian 172293746Sjulian/* 172393746Sjulian * Stop the adapter and free any mbufs allocated to the RX and TX lists. 172493746Sjulian */ 172593746Sjulianstatic void 172693746Sjulianmy_stop(struct my_softc * sc) 172793746Sjulian{ 172893746Sjulian register int i; 172993746Sjulian struct ifnet *ifp; 173093746Sjulian 1731149151Sjhb MY_LOCK_ASSERT(sc); 1732147256Sbrooks ifp = sc->my_ifp; 173393746Sjulian 1734199540Sjhb callout_stop(&sc->my_autoneg_timer); 1735199540Sjhb callout_stop(&sc->my_watchdog); 1736199540Sjhb 173793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_RE | MY_TE)); 173893746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 173993746Sjulian CSR_WRITE_4(sc, MY_TXLBA, 0x00000000); 174093746Sjulian CSR_WRITE_4(sc, MY_RXLBA, 0x00000000); 174193746Sjulian 174293746Sjulian /* 174393746Sjulian * Free data in the RX lists. 174493746Sjulian */ 174593746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 174693746Sjulian if (sc->my_cdata.my_rx_chain[i].my_mbuf != NULL) { 174793746Sjulian m_freem(sc->my_cdata.my_rx_chain[i].my_mbuf); 174893746Sjulian sc->my_cdata.my_rx_chain[i].my_mbuf = NULL; 174993746Sjulian } 175093746Sjulian } 175193746Sjulian bzero((char *)&sc->my_ldata->my_rx_list, 175293746Sjulian sizeof(sc->my_ldata->my_rx_list)); 175393746Sjulian /* 175493746Sjulian * Free the TX list buffers. 175593746Sjulian */ 175693746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 175793746Sjulian if (sc->my_cdata.my_tx_chain[i].my_mbuf != NULL) { 175893746Sjulian m_freem(sc->my_cdata.my_tx_chain[i].my_mbuf); 175993746Sjulian sc->my_cdata.my_tx_chain[i].my_mbuf = NULL; 176093746Sjulian } 176193746Sjulian } 176293746Sjulian bzero((char *)&sc->my_ldata->my_tx_list, 176393746Sjulian sizeof(sc->my_ldata->my_tx_list)); 1764148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 176593746Sjulian return; 176693746Sjulian} 176793746Sjulian 176893746Sjulian/* 176993746Sjulian * Stop all chip I/O so that the kernel's probe routines don't get confused 177093746Sjulian * by errant DMAs when rebooting. 177193746Sjulian */ 1772188172Simpstatic int 177393746Sjulianmy_shutdown(device_t dev) 177493746Sjulian{ 177593746Sjulian struct my_softc *sc; 177693746Sjulian 177793746Sjulian sc = device_get_softc(dev); 1778149151Sjhb MY_LOCK(sc); 177993746Sjulian my_stop(sc); 1780149151Sjhb MY_UNLOCK(sc); 1781188172Simp return 0; 178293746Sjulian} 1783