if_my.c revision 271827
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 271827 2014-09-18 20:59:59Z 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> 49257176Sglebius#include <net/if_var.h> 5093746Sjulian#include <net/if_arp.h> 5193746Sjulian#include <net/ethernet.h> 5293746Sjulian#include <net/if_media.h> 53147256Sbrooks#include <net/if_types.h> 5493746Sjulian#include <net/if_dl.h> 5593746Sjulian#include <net/bpf.h> 5693746Sjulian 5793746Sjulian#include <vm/vm.h> /* for vtophys */ 5893746Sjulian#include <vm/pmap.h> /* for vtophys */ 5993746Sjulian#include <machine/bus.h> 6093746Sjulian#include <machine/resource.h> 6193746Sjulian#include <sys/bus.h> 6293746Sjulian#include <sys/rman.h> 6393746Sjulian 64119285Simp#include <dev/pci/pcireg.h> 65119285Simp#include <dev/pci/pcivar.h> 6693746Sjulian 6793746Sjulian/* 6893746Sjulian * #define MY_USEIOSPACE 6993746Sjulian */ 7093746Sjulian 7193746Sjulianstatic int MY_USEIOSPACE = 1; 7293746Sjulian 73153084Sru#ifdef MY_USEIOSPACE 7494904Sjulian#define MY_RES SYS_RES_IOPORT 7594904Sjulian#define MY_RID MY_PCI_LOIO 7693746Sjulian#else 7794904Sjulian#define MY_RES SYS_RES_MEMORY 7894904Sjulian#define MY_RID MY_PCI_LOMEM 7993746Sjulian#endif 8093746Sjulian 8193746Sjulian 8293746Sjulian#include <dev/my/if_myreg.h> 8393746Sjulian 8493746Sjulian/* 8593746Sjulian * Various supported device vendors/types and their names. 8693746Sjulian */ 8793746Sjulianstruct my_type *my_info_tmp; 8893746Sjulianstatic struct my_type my_devs[] = { 8993746Sjulian {MYSONVENDORID, MTD800ID, "Myson MTD80X Based Fast Ethernet Card"}, 9093746Sjulian {MYSONVENDORID, MTD803ID, "Myson MTD80X Based Fast Ethernet Card"}, 9193746Sjulian {MYSONVENDORID, MTD891ID, "Myson MTD89X Based Giga Ethernet Card"}, 9293746Sjulian {0, 0, NULL} 9393746Sjulian}; 9493746Sjulian 9593746Sjulian/* 9693746Sjulian * Various supported PHY vendors/types and their names. Note that this driver 9793746Sjulian * will work with pretty much any MII-compliant PHY, so failure to positively 9893746Sjulian * identify the chip is not a fatal error. 9993746Sjulian */ 10093746Sjulianstatic struct my_type my_phys[] = { 10193746Sjulian {MysonPHYID0, MysonPHYID0, "<MYSON MTD981>"}, 10293746Sjulian {SeeqPHYID0, SeeqPHYID0, "<SEEQ 80225>"}, 10393746Sjulian {AhdocPHYID0, AhdocPHYID0, "<AHDOC 101>"}, 10493746Sjulian {MarvellPHYID0, MarvellPHYID0, "<MARVELL 88E1000>"}, 10593746Sjulian {LevelOnePHYID0, LevelOnePHYID0, "<LevelOne LXT1000>"}, 10693746Sjulian {0, 0, "<MII-compliant physical interface>"} 10793746Sjulian}; 10893746Sjulian 10993746Sjulianstatic int my_probe(device_t); 11093746Sjulianstatic int my_attach(device_t); 11193746Sjulianstatic int my_detach(device_t); 11293746Sjulianstatic int my_newbuf(struct my_softc *, struct my_chain_onefrag *); 11393746Sjulianstatic int my_encap(struct my_softc *, struct my_chain *, struct mbuf *); 11493746Sjulianstatic void my_rxeof(struct my_softc *); 11593746Sjulianstatic void my_txeof(struct my_softc *); 11693746Sjulianstatic void my_txeoc(struct my_softc *); 11793746Sjulianstatic void my_intr(void *); 11893746Sjulianstatic void my_start(struct ifnet *); 119149151Sjhbstatic void my_start_locked(struct ifnet *); 12093746Sjulianstatic int my_ioctl(struct ifnet *, u_long, caddr_t); 12193746Sjulianstatic void my_init(void *); 122149151Sjhbstatic void my_init_locked(struct my_softc *); 12393746Sjulianstatic void my_stop(struct my_softc *); 124199540Sjhbstatic void my_autoneg_timeout(void *); 125199540Sjhbstatic void my_watchdog(void *); 126188172Simpstatic int my_shutdown(device_t); 12793746Sjulianstatic int my_ifmedia_upd(struct ifnet *); 12893746Sjulianstatic void my_ifmedia_sts(struct ifnet *, struct ifmediareq *); 12993746Sjulianstatic u_int16_t my_phy_readreg(struct my_softc *, int); 13093746Sjulianstatic void my_phy_writereg(struct my_softc *, int, int); 13193746Sjulianstatic void my_autoneg_xmit(struct my_softc *); 13293746Sjulianstatic void my_autoneg_mii(struct my_softc *, int, int); 13393746Sjulianstatic void my_setmode_mii(struct my_softc *, int); 13493746Sjulianstatic void my_getmode_mii(struct my_softc *); 13593746Sjulianstatic void my_setcfg(struct my_softc *, int); 13693746Sjulianstatic void my_setmulti(struct my_softc *); 13793746Sjulianstatic void my_reset(struct my_softc *); 13893746Sjulianstatic int my_list_rx_init(struct my_softc *); 13993746Sjulianstatic int my_list_tx_init(struct my_softc *); 14093746Sjulianstatic long my_send_cmd_to_phy(struct my_softc *, int, int); 14193746Sjulian 142106696Salfred#define MY_SETBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) | (x)) 143106696Salfred#define MY_CLRBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) & ~(x)) 14493746Sjulian 14593746Sjulianstatic device_method_t my_methods[] = { 14693746Sjulian /* Device interface */ 14793746Sjulian DEVMETHOD(device_probe, my_probe), 14893746Sjulian DEVMETHOD(device_attach, my_attach), 14993746Sjulian DEVMETHOD(device_detach, my_detach), 15093746Sjulian DEVMETHOD(device_shutdown, my_shutdown), 15193746Sjulian 152246128Ssbz DEVMETHOD_END 15393746Sjulian}; 15493746Sjulian 15593746Sjulianstatic driver_t my_driver = { 15693746Sjulian "my", 15793746Sjulian my_methods, 15893746Sjulian sizeof(struct my_softc) 15993746Sjulian}; 16093746Sjulian 16193746Sjulianstatic devclass_t my_devclass; 16293746Sjulian 163113506SmdoddDRIVER_MODULE(my, pci, my_driver, my_devclass, 0, 0); 164113506SmdoddMODULE_DEPEND(my, pci, 1, 1, 1); 165113506SmdoddMODULE_DEPEND(my, ether, 1, 1, 1); 16693746Sjulian 16793746Sjulianstatic long 16893746Sjulianmy_send_cmd_to_phy(struct my_softc * sc, int opcode, int regad) 16993746Sjulian{ 17093746Sjulian long miir; 17193746Sjulian int i; 17293746Sjulian int mask, data; 17393746Sjulian 174149151Sjhb MY_LOCK_ASSERT(sc); 17593746Sjulian 17693746Sjulian /* enable MII output */ 17793746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 17893746Sjulian miir &= 0xfffffff0; 17993746Sjulian 18093746Sjulian miir |= MY_MASK_MIIR_MII_WRITE + MY_MASK_MIIR_MII_MDO; 18193746Sjulian 18293746Sjulian /* send 32 1's preamble */ 18393746Sjulian for (i = 0; i < 32; i++) { 18493746Sjulian /* low MDC; MDO is already high (miir) */ 18593746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 18693746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 18793746Sjulian 18893746Sjulian /* high MDC */ 18993746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 19093746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19193746Sjulian } 19293746Sjulian 19393746Sjulian /* calculate ST+OP+PHYAD+REGAD+TA */ 19493746Sjulian data = opcode | (sc->my_phy_addr << 7) | (regad << 2); 19593746Sjulian 19693746Sjulian /* sent out */ 19793746Sjulian mask = 0x8000; 19893746Sjulian while (mask) { 19993746Sjulian /* low MDC, prepare MDO */ 20093746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 20193746Sjulian if (mask & data) 20293746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 20393746Sjulian 20493746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 20593746Sjulian /* high MDC */ 20693746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 20793746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 20893746Sjulian DELAY(30); 20993746Sjulian 21093746Sjulian /* next */ 21193746Sjulian mask >>= 1; 21293746Sjulian if (mask == 0x2 && opcode == MY_OP_READ) 21393746Sjulian miir &= ~MY_MASK_MIIR_MII_WRITE; 21493746Sjulian } 21593746Sjulian 21693746Sjulian return miir; 21793746Sjulian} 21893746Sjulian 21993746Sjulian 220148945Sjhbstatic u_int16_t 22193746Sjulianmy_phy_readreg(struct my_softc * sc, int reg) 22293746Sjulian{ 22393746Sjulian long miir; 22493746Sjulian int mask, data; 22593746Sjulian 226149151Sjhb MY_LOCK_ASSERT(sc); 22793746Sjulian 22893746Sjulian if (sc->my_info->my_did == MTD803ID) 22993746Sjulian data = CSR_READ_2(sc, MY_PHYBASE + reg * 2); 23093746Sjulian else { 23193746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_READ, reg); 23293746Sjulian 23393746Sjulian /* read data */ 23493746Sjulian mask = 0x8000; 23593746Sjulian data = 0; 23693746Sjulian while (mask) { 23793746Sjulian /* low MDC */ 23893746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 23993746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 24093746Sjulian 24193746Sjulian /* read MDI */ 24293746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 24393746Sjulian if (miir & MY_MASK_MIIR_MII_MDI) 24493746Sjulian data |= mask; 24593746Sjulian 24693746Sjulian /* high MDC, and wait */ 24793746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 24893746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 24993746Sjulian DELAY(30); 25093746Sjulian 25193746Sjulian /* next */ 25293746Sjulian mask >>= 1; 25393746Sjulian } 25493746Sjulian 25593746Sjulian /* low MDC */ 25693746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 25793746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 25893746Sjulian } 25993746Sjulian 26093746Sjulian return (u_int16_t) data; 26193746Sjulian} 26293746Sjulian 26393746Sjulian 26493746Sjulianstatic void 26593746Sjulianmy_phy_writereg(struct my_softc * sc, int reg, int data) 26693746Sjulian{ 26793746Sjulian long miir; 26893746Sjulian int mask; 26993746Sjulian 270149151Sjhb MY_LOCK_ASSERT(sc); 27193746Sjulian 27293746Sjulian if (sc->my_info->my_did == MTD803ID) 27393746Sjulian CSR_WRITE_2(sc, MY_PHYBASE + reg * 2, data); 27493746Sjulian else { 27593746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_WRITE, reg); 27693746Sjulian 27793746Sjulian /* write data */ 27893746Sjulian mask = 0x8000; 27993746Sjulian while (mask) { 28093746Sjulian /* low MDC, prepare MDO */ 28193746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 28293746Sjulian if (mask & data) 28393746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 28493746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 28593746Sjulian DELAY(1); 28693746Sjulian 28793746Sjulian /* high MDC */ 28893746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 28993746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29093746Sjulian DELAY(1); 29193746Sjulian 29293746Sjulian /* next */ 29393746Sjulian mask >>= 1; 29493746Sjulian } 29593746Sjulian 29693746Sjulian /* low MDC */ 29793746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 29893746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29993746Sjulian } 30093746Sjulian return; 30193746Sjulian} 30293746Sjulian 30393746Sjulian 30493746Sjulian/* 30593746Sjulian * Program the 64-bit multicast hash filter. 30693746Sjulian */ 30793746Sjulianstatic void 30893746Sjulianmy_setmulti(struct my_softc * sc) 30993746Sjulian{ 31093746Sjulian struct ifnet *ifp; 31193746Sjulian int h = 0; 31293746Sjulian u_int32_t hashes[2] = {0, 0}; 31393746Sjulian struct ifmultiaddr *ifma; 31493746Sjulian u_int32_t rxfilt; 31593746Sjulian int mcnt = 0; 31693746Sjulian 317149151Sjhb MY_LOCK_ASSERT(sc); 31893746Sjulian 319147256Sbrooks ifp = sc->my_ifp; 32093746Sjulian 32193746Sjulian rxfilt = CSR_READ_4(sc, MY_TCRRCR); 32293746Sjulian 32393746Sjulian if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 32493746Sjulian rxfilt |= MY_AM; 32593746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 32693746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0xFFFFFFFF); 32793746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0xFFFFFFFF); 32893746Sjulian 32993746Sjulian return; 33093746Sjulian } 33193746Sjulian /* first, zot all the existing hash bits */ 33293746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0); 33393746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0); 33493746Sjulian 33593746Sjulian /* now program new ones */ 336195049Srwatson if_maddr_rlock(ifp); 33793746Sjulian TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 33893746Sjulian if (ifma->ifma_addr->sa_family != AF_LINK) 33993746Sjulian continue; 340130270Snaddy h = ~ether_crc32_be(LLADDR((struct sockaddr_dl *) 341130270Snaddy ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; 34293746Sjulian if (h < 32) 34393746Sjulian hashes[0] |= (1 << h); 34493746Sjulian else 34593746Sjulian hashes[1] |= (1 << (h - 32)); 34693746Sjulian mcnt++; 34793746Sjulian } 348195049Srwatson if_maddr_runlock(ifp); 34993746Sjulian 35093746Sjulian if (mcnt) 35193746Sjulian rxfilt |= MY_AM; 35293746Sjulian else 35393746Sjulian rxfilt &= ~MY_AM; 35493746Sjulian CSR_WRITE_4(sc, MY_MAR0, hashes[0]); 35593746Sjulian CSR_WRITE_4(sc, MY_MAR1, hashes[1]); 35693746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 35793746Sjulian return; 35893746Sjulian} 35993746Sjulian 36093746Sjulian/* 36193746Sjulian * Initiate an autonegotiation session. 36293746Sjulian */ 36393746Sjulianstatic void 36493746Sjulianmy_autoneg_xmit(struct my_softc * sc) 36593746Sjulian{ 36693746Sjulian u_int16_t phy_sts = 0; 36793746Sjulian 368149151Sjhb MY_LOCK_ASSERT(sc); 36993746Sjulian 37093746Sjulian my_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET); 37193746Sjulian DELAY(500); 37293746Sjulian while (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_RESET); 37393746Sjulian 37493746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMCR); 37593746Sjulian phy_sts |= PHY_BMCR_AUTONEGENBL | PHY_BMCR_AUTONEGRSTR; 37693746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_sts); 37793746Sjulian 37893746Sjulian return; 37993746Sjulian} 38093746Sjulian 381199540Sjhbstatic void 382199540Sjhbmy_autoneg_timeout(void *arg) 383199540Sjhb{ 384199540Sjhb struct my_softc *sc; 38593746Sjulian 386199540Sjhb sc = arg; 387199540Sjhb MY_LOCK_ASSERT(sc); 388199540Sjhb my_autoneg_mii(sc, MY_FLAG_DELAYTIMEO, 1); 389199540Sjhb} 390199540Sjhb 39193746Sjulian/* 39293746Sjulian * Invoke autonegotiation on a PHY. 39393746Sjulian */ 39493746Sjulianstatic void 39593746Sjulianmy_autoneg_mii(struct my_softc * sc, int flag, int verbose) 39693746Sjulian{ 39793746Sjulian u_int16_t phy_sts = 0, media, advert, ability; 39893746Sjulian u_int16_t ability2 = 0; 39993746Sjulian struct ifnet *ifp; 40093746Sjulian struct ifmedia *ifm; 40193746Sjulian 402149151Sjhb MY_LOCK_ASSERT(sc); 40393746Sjulian 40493746Sjulian ifm = &sc->ifmedia; 405147256Sbrooks ifp = sc->my_ifp; 40693746Sjulian 40793746Sjulian ifm->ifm_media = IFM_ETHER | IFM_AUTO; 40893746Sjulian 40993746Sjulian#ifndef FORCE_AUTONEG_TFOUR 41093746Sjulian /* 41193746Sjulian * First, see if autoneg is supported. If not, there's no point in 41293746Sjulian * continuing. 41393746Sjulian */ 41493746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 41593746Sjulian if (!(phy_sts & PHY_BMSR_CANAUTONEG)) { 41693746Sjulian if (verbose) 417162321Sglebius device_printf(sc->my_dev, 418162321Sglebius "autonegotiation not supported\n"); 41993746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 42093746Sjulian return; 42193746Sjulian } 42293746Sjulian#endif 42393746Sjulian switch (flag) { 42493746Sjulian case MY_FLAG_FORCEDELAY: 42593746Sjulian /* 42693746Sjulian * XXX Never use this option anywhere but in the probe 42793746Sjulian * routine: making the kernel stop dead in its tracks for 42893746Sjulian * three whole seconds after we've gone multi-user is really 42993746Sjulian * bad manners. 43093746Sjulian */ 43193746Sjulian my_autoneg_xmit(sc); 43293746Sjulian DELAY(5000000); 43393746Sjulian break; 43493746Sjulian case MY_FLAG_SCHEDDELAY: 43593746Sjulian /* 43693746Sjulian * Wait for the transmitter to go idle before starting an 43793746Sjulian * autoneg session, otherwise my_start() may clobber our 43893746Sjulian * timeout, and we don't want to allow transmission during an 43993746Sjulian * autoneg session since that can screw it up. 44093746Sjulian */ 44193746Sjulian if (sc->my_cdata.my_tx_head != NULL) { 44293746Sjulian sc->my_want_auto = 1; 44393746Sjulian MY_UNLOCK(sc); 44493746Sjulian return; 44593746Sjulian } 44693746Sjulian my_autoneg_xmit(sc); 447199540Sjhb callout_reset(&sc->my_autoneg_timer, hz * 5, my_autoneg_timeout, 448199540Sjhb sc); 44993746Sjulian sc->my_autoneg = 1; 45093746Sjulian sc->my_want_auto = 0; 45193746Sjulian return; 45293746Sjulian case MY_FLAG_DELAYTIMEO: 453199540Sjhb callout_stop(&sc->my_autoneg_timer); 45493746Sjulian sc->my_autoneg = 0; 45593746Sjulian break; 45693746Sjulian default: 457162321Sglebius device_printf(sc->my_dev, "invalid autoneg flag: %d\n", flag); 45893746Sjulian return; 45993746Sjulian } 46093746Sjulian 46193746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) { 46293746Sjulian if (verbose) 463162321Sglebius device_printf(sc->my_dev, "autoneg complete, "); 46493746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 46593746Sjulian } else { 46693746Sjulian if (verbose) 467162321Sglebius device_printf(sc->my_dev, "autoneg not complete, "); 46893746Sjulian } 46993746Sjulian 47093746Sjulian media = my_phy_readreg(sc, PHY_BMCR); 47193746Sjulian 47293746Sjulian /* Link is good. Report modes and set duplex mode. */ 47393746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT) { 47493746Sjulian if (verbose) 475162321Sglebius device_printf(sc->my_dev, "link status good. "); 47693746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 47793746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 47893746Sjulian if ((sc->my_pinfo->my_vid == MarvellPHYID0) || 47993746Sjulian (sc->my_pinfo->my_vid == LevelOnePHYID0)) { 48093746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 48193746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 48293746Sjulian advert = 0; 48393746Sjulian ability = 0; 48493746Sjulian /* 48593746Sjulian * this version did not support 1000M, 48693746Sjulian * ifm->ifm_media = 48795673Sphk * IFM_ETHER|IFM_1000_T|IFM_FDX; 48893746Sjulian */ 48993746Sjulian ifm->ifm_media = 49093746Sjulian IFM_ETHER | IFM_100_TX | IFM_FDX; 49193746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 49293746Sjulian media |= PHY_BMCR_1000; 49393746Sjulian media |= PHY_BMCR_DUPLEX; 49493746Sjulian printf("(full-duplex, 1000Mbps)\n"); 49593746Sjulian } else if (ability2 & PHY_1000SR_1000BTXHALF) { 49693746Sjulian advert = 0; 49793746Sjulian ability = 0; 49893746Sjulian /* 49993746Sjulian * this version did not support 1000M, 50095673Sphk * ifm->ifm_media = IFM_ETHER|IFM_1000_T; 50193746Sjulian */ 50293746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX; 50393746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 50493746Sjulian media &= ~PHY_BMCR_DUPLEX; 50593746Sjulian media |= PHY_BMCR_1000; 50693746Sjulian printf("(half-duplex, 1000Mbps)\n"); 50793746Sjulian } 50893746Sjulian } 50993746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) { 51093746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_T4; 51193746Sjulian media |= PHY_BMCR_SPEEDSEL; 51293746Sjulian media &= ~PHY_BMCR_DUPLEX; 51393746Sjulian printf("(100baseT4)\n"); 51493746Sjulian } else if (advert & PHY_ANAR_100BTXFULL && 51593746Sjulian ability & PHY_ANAR_100BTXFULL) { 51693746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 51793746Sjulian media |= PHY_BMCR_SPEEDSEL; 51893746Sjulian media |= PHY_BMCR_DUPLEX; 51993746Sjulian printf("(full-duplex, 100Mbps)\n"); 52093746Sjulian } else if (advert & PHY_ANAR_100BTXHALF && 52193746Sjulian ability & PHY_ANAR_100BTXHALF) { 52293746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 52393746Sjulian media |= PHY_BMCR_SPEEDSEL; 52493746Sjulian media &= ~PHY_BMCR_DUPLEX; 52593746Sjulian printf("(half-duplex, 100Mbps)\n"); 52693746Sjulian } else if (advert & PHY_ANAR_10BTFULL && 52793746Sjulian ability & PHY_ANAR_10BTFULL) { 52893746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 52993746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 53093746Sjulian media |= PHY_BMCR_DUPLEX; 53193746Sjulian printf("(full-duplex, 10Mbps)\n"); 53293746Sjulian } else if (advert) { 53393746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 53493746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 53593746Sjulian media &= ~PHY_BMCR_DUPLEX; 53693746Sjulian printf("(half-duplex, 10Mbps)\n"); 53793746Sjulian } 53893746Sjulian media &= ~PHY_BMCR_AUTONEGENBL; 53993746Sjulian 54093746Sjulian /* Set ASIC's duplex mode to match the PHY. */ 54193746Sjulian my_phy_writereg(sc, PHY_BMCR, media); 54293746Sjulian my_setcfg(sc, media); 54393746Sjulian } else { 54493746Sjulian if (verbose) 545162321Sglebius device_printf(sc->my_dev, "no carrier\n"); 54693746Sjulian } 54793746Sjulian 548149151Sjhb my_init_locked(sc); 54993746Sjulian if (sc->my_tx_pend) { 55093746Sjulian sc->my_autoneg = 0; 55193746Sjulian sc->my_tx_pend = 0; 552149151Sjhb my_start_locked(ifp); 55393746Sjulian } 55493746Sjulian return; 55593746Sjulian} 55693746Sjulian 55793746Sjulian/* 55893746Sjulian * To get PHY ability. 55993746Sjulian */ 56093746Sjulianstatic void 56193746Sjulianmy_getmode_mii(struct my_softc * sc) 56293746Sjulian{ 56393746Sjulian u_int16_t bmsr; 56493746Sjulian struct ifnet *ifp; 56593746Sjulian 566149151Sjhb MY_LOCK_ASSERT(sc); 567147256Sbrooks ifp = sc->my_ifp; 56893746Sjulian bmsr = my_phy_readreg(sc, PHY_BMSR); 56993746Sjulian if (bootverbose) 570162321Sglebius device_printf(sc->my_dev, "PHY status word: %x\n", bmsr); 57193746Sjulian 57293746Sjulian /* fallback */ 57393746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 57493746Sjulian 57593746Sjulian if (bmsr & PHY_BMSR_10BTHALF) { 57693746Sjulian if (bootverbose) 577162321Sglebius device_printf(sc->my_dev, 578162321Sglebius "10Mbps half-duplex mode supported\n"); 57993746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_HDX, 58093746Sjulian 0, NULL); 58193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, NULL); 58293746Sjulian } 58393746Sjulian if (bmsr & PHY_BMSR_10BTFULL) { 58493746Sjulian if (bootverbose) 585162321Sglebius device_printf(sc->my_dev, 586162321Sglebius "10Mbps full-duplex mode supported\n"); 58793746Sjulian 58893746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 58993746Sjulian 0, NULL); 59093746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 59193746Sjulian } 59293746Sjulian if (bmsr & PHY_BMSR_100BTXHALF) { 59393746Sjulian if (bootverbose) 594162321Sglebius device_printf(sc->my_dev, 595162321Sglebius "100Mbps half-duplex mode supported\n"); 59693746Sjulian ifp->if_baudrate = 100000000; 59793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL); 59893746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_HDX, 59993746Sjulian 0, NULL); 60093746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 60193746Sjulian } 60293746Sjulian if (bmsr & PHY_BMSR_100BTXFULL) { 60393746Sjulian if (bootverbose) 604162321Sglebius device_printf(sc->my_dev, 605162321Sglebius "100Mbps full-duplex mode supported\n"); 60693746Sjulian ifp->if_baudrate = 100000000; 60793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 60893746Sjulian 0, NULL); 60993746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 61093746Sjulian } 61193746Sjulian /* Some also support 100BaseT4. */ 61293746Sjulian if (bmsr & PHY_BMSR_100BT4) { 61393746Sjulian if (bootverbose) 614162321Sglebius device_printf(sc->my_dev, "100baseT4 mode supported\n"); 61593746Sjulian ifp->if_baudrate = 100000000; 61693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_T4, 0, NULL); 61793746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_T4; 61893746Sjulian#ifdef FORCE_AUTONEG_TFOUR 61993746Sjulian if (bootverbose) 620162321Sglebius device_printf(sc->my_dev, 621162321Sglebius "forcing on autoneg support for BT4\n"); 62293746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0 NULL): 62393746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 62493746Sjulian#endif 62593746Sjulian } 62694863Sjulian#if 0 /* this version did not support 1000M, */ 62793746Sjulian if (sc->my_pinfo->my_vid == MarvellPHYID0) { 62893746Sjulian if (bootverbose) 629162321Sglebius device_printf(sc->my_dev, 630162321Sglebius "1000Mbps half-duplex mode supported\n"); 63193746Sjulian 63293746Sjulian ifp->if_baudrate = 1000000000; 63395673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T, 0, NULL); 63495673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_HDX, 63593746Sjulian 0, NULL); 63693746Sjulian if (bootverbose) 637162321Sglebius device_printf(sc->my_dev, 638162321Sglebius "1000Mbps full-duplex mode supported\n"); 63993746Sjulian ifp->if_baudrate = 1000000000; 64095673Sphk ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_T | IFM_FDX, 64193746Sjulian 0, NULL); 64295673Sphk sc->ifmedia.ifm_media = IFM_ETHER | IFM_1000_T | IFM_FDX; 64393746Sjulian } 64493746Sjulian#endif 64593746Sjulian if (bmsr & PHY_BMSR_CANAUTONEG) { 64693746Sjulian if (bootverbose) 647162321Sglebius device_printf(sc->my_dev, "autoneg supported\n"); 64893746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 64993746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 65093746Sjulian } 65193746Sjulian return; 65293746Sjulian} 65393746Sjulian 65493746Sjulian/* 65593746Sjulian * Set speed and duplex mode. 65693746Sjulian */ 65793746Sjulianstatic void 65893746Sjulianmy_setmode_mii(struct my_softc * sc, int media) 65993746Sjulian{ 66093746Sjulian u_int16_t bmcr; 66193746Sjulian 662149151Sjhb MY_LOCK_ASSERT(sc); 66393746Sjulian /* 66493746Sjulian * If an autoneg session is in progress, stop it. 66593746Sjulian */ 66693746Sjulian if (sc->my_autoneg) { 667162321Sglebius device_printf(sc->my_dev, "canceling autoneg session\n"); 668199540Sjhb callout_stop(&sc->my_autoneg_timer); 669199540Sjhb sc->my_autoneg = sc->my_want_auto = 0; 67093746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 67193746Sjulian bmcr &= ~PHY_BMCR_AUTONEGENBL; 67293746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 67393746Sjulian } 674162321Sglebius device_printf(sc->my_dev, "selecting MII, "); 67593746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 67693746Sjulian bmcr &= ~(PHY_BMCR_AUTONEGENBL | PHY_BMCR_SPEEDSEL | PHY_BMCR_1000 | 67793746Sjulian PHY_BMCR_DUPLEX | PHY_BMCR_LOOPBK); 67894863Sjulian 67994863Sjulian#if 0 /* this version did not support 1000M, */ 68095673Sphk if (IFM_SUBTYPE(media) == IFM_1000_T) { 68193746Sjulian printf("1000Mbps/T4, half-duplex\n"); 68293746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 68393746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 68493746Sjulian bmcr |= PHY_BMCR_1000; 68593746Sjulian } 68693746Sjulian#endif 68793746Sjulian if (IFM_SUBTYPE(media) == IFM_100_T4) { 68893746Sjulian printf("100Mbps/T4, half-duplex\n"); 68993746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 69093746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 69193746Sjulian } 69293746Sjulian if (IFM_SUBTYPE(media) == IFM_100_TX) { 69393746Sjulian printf("100Mbps, "); 69493746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 69593746Sjulian } 69693746Sjulian if (IFM_SUBTYPE(media) == IFM_10_T) { 69793746Sjulian printf("10Mbps, "); 69893746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 69993746Sjulian } 70093746Sjulian if ((media & IFM_GMASK) == IFM_FDX) { 70193746Sjulian printf("full duplex\n"); 70293746Sjulian bmcr |= PHY_BMCR_DUPLEX; 70393746Sjulian } else { 70493746Sjulian printf("half duplex\n"); 70593746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 70693746Sjulian } 70793746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 70893746Sjulian my_setcfg(sc, bmcr); 70993746Sjulian return; 71093746Sjulian} 71193746Sjulian 71293746Sjulian/* 71393746Sjulian * The Myson manual states that in order to fiddle with the 'full-duplex' and 71493746Sjulian * '100Mbps' bits in the netconfig register, we first have to put the 71593746Sjulian * transmit and/or receive logic in the idle state. 71693746Sjulian */ 71793746Sjulianstatic void 71893746Sjulianmy_setcfg(struct my_softc * sc, int bmcr) 71993746Sjulian{ 72093746Sjulian int i, restart = 0; 72193746Sjulian 722149151Sjhb MY_LOCK_ASSERT(sc); 72393746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & (MY_TE | MY_RE)) { 72493746Sjulian restart = 1; 72593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_TE | MY_RE)); 72693746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 72793746Sjulian DELAY(10); 72893746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & 72993746Sjulian (MY_TXRUN | MY_RXRUN))) 73093746Sjulian break; 73193746Sjulian } 73293746Sjulian if (i == MY_TIMEOUT) 733162321Sglebius device_printf(sc->my_dev, 734148945Sjhb "failed to force tx and rx to idle \n"); 73593746Sjulian } 73693746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS1000); 73793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS10); 73893746Sjulian if (bmcr & PHY_BMCR_1000) 73993746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS1000); 74093746Sjulian else if (!(bmcr & PHY_BMCR_SPEEDSEL)) 74193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS10); 74293746Sjulian if (bmcr & PHY_BMCR_DUPLEX) 74393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_FD); 74493746Sjulian else 74593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_FD); 74693746Sjulian if (restart) 74793746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE | MY_RE); 74893746Sjulian return; 74993746Sjulian} 75093746Sjulian 75193746Sjulianstatic void 75293746Sjulianmy_reset(struct my_softc * sc) 75393746Sjulian{ 75493746Sjulian register int i; 75593746Sjulian 756149151Sjhb MY_LOCK_ASSERT(sc); 75793746Sjulian MY_SETBIT(sc, MY_BCR, MY_SWR); 75893746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 75993746Sjulian DELAY(10); 76093746Sjulian if (!(CSR_READ_4(sc, MY_BCR) & MY_SWR)) 76193746Sjulian break; 76293746Sjulian } 76393746Sjulian if (i == MY_TIMEOUT) 764162321Sglebius device_printf(sc->my_dev, "reset never completed!\n"); 76593746Sjulian 76693746Sjulian /* Wait a little while for the chip to get its brains in order. */ 76793746Sjulian DELAY(1000); 76893746Sjulian return; 76993746Sjulian} 77093746Sjulian 77193746Sjulian/* 77293746Sjulian * Probe for a Myson chip. Check the PCI vendor and device IDs against our 77393746Sjulian * list and return a device name if we find a match. 77493746Sjulian */ 77593746Sjulianstatic int 77693746Sjulianmy_probe(device_t dev) 77793746Sjulian{ 77893746Sjulian struct my_type *t; 77993746Sjulian 78093746Sjulian t = my_devs; 78193746Sjulian while (t->my_name != NULL) { 78293746Sjulian if ((pci_get_vendor(dev) == t->my_vid) && 78393746Sjulian (pci_get_device(dev) == t->my_did)) { 78493746Sjulian device_set_desc(dev, t->my_name); 78593746Sjulian my_info_tmp = t; 786143158Simp return (BUS_PROBE_DEFAULT); 78793746Sjulian } 78893746Sjulian t++; 78993746Sjulian } 79093746Sjulian return (ENXIO); 79193746Sjulian} 79293746Sjulian 79393746Sjulian/* 79493746Sjulian * Attach the interface. Allocate softc structures, do ifmedia setup and 79593746Sjulian * ethernet/BPF attach. 79693746Sjulian */ 79793746Sjulianstatic int 79893746Sjulianmy_attach(device_t dev) 79993746Sjulian{ 800149151Sjhb int i; 80193746Sjulian u_char eaddr[ETHER_ADDR_LEN]; 802148946Sjhb u_int32_t iobase; 80393746Sjulian struct my_softc *sc; 80493746Sjulian struct ifnet *ifp; 80593746Sjulian int media = IFM_ETHER | IFM_100_TX | IFM_FDX; 80693746Sjulian unsigned int round; 80793746Sjulian caddr_t roundptr; 80893746Sjulian struct my_type *p; 80993746Sjulian u_int16_t phy_vid, phy_did, phy_sts = 0; 810148945Sjhb int rid, error = 0; 81193746Sjulian 81293746Sjulian sc = device_get_softc(dev); 813162321Sglebius sc->my_dev = dev; 81495803Sjulian mtx_init(&sc->my_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 815149151Sjhb MTX_DEF); 816199540Sjhb callout_init_mtx(&sc->my_autoneg_timer, &sc->my_mtx, 0); 817199540Sjhb callout_init_mtx(&sc->my_watchdog, &sc->my_mtx, 0); 81893746Sjulian 81993746Sjulian /* 82093746Sjulian * Map control/status registers. 82193746Sjulian */ 822148946Sjhb pci_enable_busmaster(dev); 82393746Sjulian 82493746Sjulian if (my_info_tmp->my_did == MTD800ID) { 82593746Sjulian iobase = pci_read_config(dev, MY_PCI_LOIO, 4); 82693746Sjulian if (iobase & 0x300) 82793746Sjulian MY_USEIOSPACE = 0; 82893746Sjulian } 82993746Sjulian 83093746Sjulian rid = MY_RID; 831127135Snjl sc->my_res = bus_alloc_resource_any(dev, MY_RES, &rid, RF_ACTIVE); 83293746Sjulian 83393746Sjulian if (sc->my_res == NULL) { 834148945Sjhb device_printf(dev, "couldn't map ports/memory\n"); 83593746Sjulian error = ENXIO; 836149151Sjhb goto destroy_mutex; 83793746Sjulian } 83893746Sjulian sc->my_btag = rman_get_bustag(sc->my_res); 83993746Sjulian sc->my_bhandle = rman_get_bushandle(sc->my_res); 84093746Sjulian 84193746Sjulian rid = 0; 842127135Snjl sc->my_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 843127135Snjl RF_SHAREABLE | RF_ACTIVE); 84493746Sjulian 84593746Sjulian if (sc->my_irq == NULL) { 846148945Sjhb device_printf(dev, "couldn't map interrupt\n"); 84793746Sjulian error = ENXIO; 848149151Sjhb goto release_io; 84993746Sjulian } 85093746Sjulian 85193746Sjulian sc->my_info = my_info_tmp; 85293746Sjulian 85393746Sjulian /* Reset the adapter. */ 854149151Sjhb MY_LOCK(sc); 85593746Sjulian my_reset(sc); 856149151Sjhb MY_UNLOCK(sc); 85793746Sjulian 85893746Sjulian /* 85993746Sjulian * Get station address 86093746Sjulian */ 86193746Sjulian for (i = 0; i < ETHER_ADDR_LEN; ++i) 86293746Sjulian eaddr[i] = CSR_READ_1(sc, MY_PAR0 + i); 86393746Sjulian 86493746Sjulian sc->my_ldata_ptr = malloc(sizeof(struct my_list_data) + 8, 86593746Sjulian M_DEVBUF, M_NOWAIT); 86693746Sjulian if (sc->my_ldata_ptr == NULL) { 867148945Sjhb device_printf(dev, "no memory for list buffers!\n"); 86893746Sjulian error = ENXIO; 869149151Sjhb goto release_irq; 87093746Sjulian } 87193746Sjulian sc->my_ldata = (struct my_list_data *) sc->my_ldata_ptr; 872106588Sjhb round = (uintptr_t)sc->my_ldata_ptr & 0xF; 87393746Sjulian roundptr = sc->my_ldata_ptr; 87493746Sjulian for (i = 0; i < 8; i++) { 87593746Sjulian if (round % 8) { 87693746Sjulian round++; 87793746Sjulian roundptr++; 87893746Sjulian } else 87993746Sjulian break; 88093746Sjulian } 88193746Sjulian sc->my_ldata = (struct my_list_data *) roundptr; 88293746Sjulian bzero(sc->my_ldata, sizeof(struct my_list_data)); 88393746Sjulian 884147256Sbrooks ifp = sc->my_ifp = if_alloc(IFT_ETHER); 885147256Sbrooks if (ifp == NULL) { 886147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 887147256Sbrooks error = ENOSPC; 888149151Sjhb goto free_ldata; 889147256Sbrooks } 89093746Sjulian ifp->if_softc = sc; 891121816Sbrooks if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 89293746Sjulian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 89393746Sjulian ifp->if_ioctl = my_ioctl; 89493746Sjulian ifp->if_start = my_start; 89593746Sjulian ifp->if_init = my_init; 89693746Sjulian ifp->if_baudrate = 10000000; 897207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 898207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 899159291Sbrueffer IFQ_SET_READY(&ifp->if_snd); 90093746Sjulian 90193746Sjulian if (sc->my_info->my_did == MTD803ID) 90293746Sjulian sc->my_pinfo = my_phys; 90393746Sjulian else { 90493746Sjulian if (bootverbose) 905148945Sjhb device_printf(dev, "probing for a PHY\n"); 906149151Sjhb MY_LOCK(sc); 90793746Sjulian for (i = MY_PHYADDR_MIN; i < MY_PHYADDR_MAX + 1; i++) { 90893746Sjulian if (bootverbose) 909148945Sjhb device_printf(dev, "checking address: %d\n", i); 91093746Sjulian sc->my_phy_addr = i; 91193746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 91293746Sjulian if ((phy_sts != 0) && (phy_sts != 0xffff)) 91393746Sjulian break; 91493746Sjulian else 91593746Sjulian phy_sts = 0; 91693746Sjulian } 91793746Sjulian if (phy_sts) { 91893746Sjulian phy_vid = my_phy_readreg(sc, PHY_VENID); 91993746Sjulian phy_did = my_phy_readreg(sc, PHY_DEVID); 92093746Sjulian if (bootverbose) { 921148945Sjhb device_printf(dev, "found PHY at address %d, ", 922148945Sjhb sc->my_phy_addr); 92393746Sjulian printf("vendor id: %x device id: %x\n", 92493746Sjulian phy_vid, phy_did); 92593746Sjulian } 92693746Sjulian p = my_phys; 92793746Sjulian while (p->my_vid) { 92893746Sjulian if (phy_vid == p->my_vid) { 92993746Sjulian sc->my_pinfo = p; 93093746Sjulian break; 93193746Sjulian } 93293746Sjulian p++; 93393746Sjulian } 93493746Sjulian if (sc->my_pinfo == NULL) 93593746Sjulian sc->my_pinfo = &my_phys[PHY_UNKNOWN]; 93693746Sjulian if (bootverbose) 937148945Sjhb device_printf(dev, "PHY type: %s\n", 938148945Sjhb sc->my_pinfo->my_name); 93993746Sjulian } else { 940149151Sjhb MY_UNLOCK(sc); 941148945Sjhb device_printf(dev, "MII without any phy!\n"); 94293746Sjulian error = ENXIO; 943149151Sjhb goto free_if; 94493746Sjulian } 945149151Sjhb MY_UNLOCK(sc); 94693746Sjulian } 94793746Sjulian 94893746Sjulian /* Do ifmedia setup. */ 94993746Sjulian ifmedia_init(&sc->ifmedia, 0, my_ifmedia_upd, my_ifmedia_sts); 950149151Sjhb MY_LOCK(sc); 95193746Sjulian my_getmode_mii(sc); 95293746Sjulian my_autoneg_mii(sc, MY_FLAG_FORCEDELAY, 1); 95393746Sjulian media = sc->ifmedia.ifm_media; 95493746Sjulian my_stop(sc); 955149151Sjhb MY_UNLOCK(sc); 95693746Sjulian ifmedia_set(&sc->ifmedia, media); 95793746Sjulian 958106937Ssam ether_ifattach(ifp, eaddr); 959149151Sjhb 960149151Sjhb error = bus_setup_intr(dev, sc->my_irq, INTR_TYPE_NET | INTR_MPSAFE, 961166901Spiso NULL, my_intr, sc, &sc->my_intrhand); 962149151Sjhb 963149151Sjhb if (error) { 964149151Sjhb device_printf(dev, "couldn't set up irq\n"); 965149151Sjhb goto detach_if; 966149151Sjhb } 96793746Sjulian 96893746Sjulian return (0); 96993746Sjulian 970149151Sjhbdetach_if: 971149151Sjhb ether_ifdetach(ifp); 972149151Sjhbfree_if: 973149151Sjhb if_free(ifp); 974149151Sjhbfree_ldata: 975149151Sjhb free(sc->my_ldata_ptr, M_DEVBUF); 976149151Sjhbrelease_irq: 977149151Sjhb bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 978149151Sjhbrelease_io: 979149151Sjhb bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 980149151Sjhbdestroy_mutex: 98193746Sjulian mtx_destroy(&sc->my_mtx); 98293746Sjulian return (error); 98393746Sjulian} 98493746Sjulian 98593746Sjulianstatic int 98693746Sjulianmy_detach(device_t dev) 98793746Sjulian{ 98893746Sjulian struct my_softc *sc; 98993746Sjulian struct ifnet *ifp; 99093746Sjulian 99193746Sjulian sc = device_get_softc(dev); 992199540Sjhb ifp = sc->my_ifp; 993199540Sjhb ether_ifdetach(ifp); 99493746Sjulian MY_LOCK(sc); 995149151Sjhb my_stop(sc); 996149151Sjhb MY_UNLOCK(sc); 997149151Sjhb bus_teardown_intr(dev, sc->my_irq, sc->my_intrhand); 998199540Sjhb callout_drain(&sc->my_watchdog); 999199540Sjhb callout_drain(&sc->my_autoneg_timer); 1000149151Sjhb 1001147256Sbrooks if_free(ifp); 1002149151Sjhb free(sc->my_ldata_ptr, M_DEVBUF); 100393746Sjulian 100493746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 100593746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 100693746Sjulian mtx_destroy(&sc->my_mtx); 100793746Sjulian return (0); 100893746Sjulian} 100993746Sjulian 101093746Sjulian 101193746Sjulian/* 101293746Sjulian * Initialize the transmit descriptors. 101393746Sjulian */ 101493746Sjulianstatic int 101593746Sjulianmy_list_tx_init(struct my_softc * sc) 101693746Sjulian{ 101793746Sjulian struct my_chain_data *cd; 101893746Sjulian struct my_list_data *ld; 101993746Sjulian int i; 102093746Sjulian 1021149151Sjhb MY_LOCK_ASSERT(sc); 102293746Sjulian cd = &sc->my_cdata; 102393746Sjulian ld = sc->my_ldata; 102493746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 102593746Sjulian cd->my_tx_chain[i].my_ptr = &ld->my_tx_list[i]; 102693746Sjulian if (i == (MY_TX_LIST_CNT - 1)) 102793746Sjulian cd->my_tx_chain[i].my_nextdesc = &cd->my_tx_chain[0]; 102893746Sjulian else 102993746Sjulian cd->my_tx_chain[i].my_nextdesc = 103093746Sjulian &cd->my_tx_chain[i + 1]; 103193746Sjulian } 103293746Sjulian cd->my_tx_free = &cd->my_tx_chain[0]; 103393746Sjulian cd->my_tx_tail = cd->my_tx_head = NULL; 103493746Sjulian return (0); 103593746Sjulian} 103693746Sjulian 103793746Sjulian/* 103893746Sjulian * Initialize the RX descriptors and allocate mbufs for them. Note that we 103993746Sjulian * arrange the descriptors in a closed ring, so that the last descriptor 104093746Sjulian * points back to the first. 104193746Sjulian */ 104293746Sjulianstatic int 104393746Sjulianmy_list_rx_init(struct my_softc * sc) 104493746Sjulian{ 104593746Sjulian struct my_chain_data *cd; 104693746Sjulian struct my_list_data *ld; 104793746Sjulian int i; 104893746Sjulian 1049149151Sjhb MY_LOCK_ASSERT(sc); 105093746Sjulian cd = &sc->my_cdata; 105193746Sjulian ld = sc->my_ldata; 105293746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 105393746Sjulian cd->my_rx_chain[i].my_ptr = 105493746Sjulian (struct my_desc *) & ld->my_rx_list[i]; 105597641Sjulian if (my_newbuf(sc, &cd->my_rx_chain[i]) == ENOBUFS) { 105697641Sjulian MY_UNLOCK(sc); 105793746Sjulian return (ENOBUFS); 105897641Sjulian } 105993746Sjulian if (i == (MY_RX_LIST_CNT - 1)) { 106093746Sjulian cd->my_rx_chain[i].my_nextdesc = &cd->my_rx_chain[0]; 106193746Sjulian ld->my_rx_list[i].my_next = vtophys(&ld->my_rx_list[0]); 106293746Sjulian } else { 106393746Sjulian cd->my_rx_chain[i].my_nextdesc = 106493746Sjulian &cd->my_rx_chain[i + 1]; 106593746Sjulian ld->my_rx_list[i].my_next = 106693746Sjulian vtophys(&ld->my_rx_list[i + 1]); 106793746Sjulian } 106893746Sjulian } 106993746Sjulian cd->my_rx_head = &cd->my_rx_chain[0]; 107093746Sjulian return (0); 107193746Sjulian} 107293746Sjulian 107393746Sjulian/* 107493746Sjulian * Initialize an RX descriptor and attach an MBUF cluster. 107593746Sjulian */ 107693746Sjulianstatic int 107793746Sjulianmy_newbuf(struct my_softc * sc, struct my_chain_onefrag * c) 107893746Sjulian{ 107993746Sjulian struct mbuf *m_new = NULL; 108093746Sjulian 1081149151Sjhb MY_LOCK_ASSERT(sc); 1082243857Sglebius MGETHDR(m_new, M_NOWAIT, MT_DATA); 108393746Sjulian if (m_new == NULL) { 1084162321Sglebius device_printf(sc->my_dev, 1085148945Sjhb "no memory for rx list -- packet dropped!\n"); 108693746Sjulian return (ENOBUFS); 108793746Sjulian } 1088243857Sglebius MCLGET(m_new, M_NOWAIT); 108993746Sjulian if (!(m_new->m_flags & M_EXT)) { 1090162321Sglebius device_printf(sc->my_dev, 1091148945Sjhb "no memory for rx list -- packet dropped!\n"); 109293746Sjulian m_freem(m_new); 109393746Sjulian return (ENOBUFS); 109493746Sjulian } 109593746Sjulian c->my_mbuf = m_new; 109693746Sjulian c->my_ptr->my_data = vtophys(mtod(m_new, caddr_t)); 109793746Sjulian c->my_ptr->my_ctl = (MCLBYTES - 1) << MY_RBSShift; 109893746Sjulian c->my_ptr->my_status = MY_OWNByNIC; 109993746Sjulian return (0); 110093746Sjulian} 110193746Sjulian 110293746Sjulian/* 110393746Sjulian * A frame has been uploaded: pass the resulting mbuf chain up to the higher 110493746Sjulian * level protocols. 110593746Sjulian */ 110693746Sjulianstatic void 110793746Sjulianmy_rxeof(struct my_softc * sc) 110893746Sjulian{ 110993746Sjulian struct ether_header *eh; 111093746Sjulian struct mbuf *m; 111193746Sjulian struct ifnet *ifp; 111293746Sjulian struct my_chain_onefrag *cur_rx; 111393746Sjulian int total_len = 0; 111493746Sjulian u_int32_t rxstat; 111593746Sjulian 1116149151Sjhb MY_LOCK_ASSERT(sc); 1117147256Sbrooks ifp = sc->my_ifp; 111893746Sjulian while (!((rxstat = sc->my_cdata.my_rx_head->my_ptr->my_status) 111993746Sjulian & MY_OWNByNIC)) { 112093746Sjulian cur_rx = sc->my_cdata.my_rx_head; 112193746Sjulian sc->my_cdata.my_rx_head = cur_rx->my_nextdesc; 112293746Sjulian 112393746Sjulian if (rxstat & MY_ES) { /* error summary: give up this rx pkt */ 1124271827Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 112593746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 112693746Sjulian continue; 112793746Sjulian } 112893746Sjulian /* No errors; receive the packet. */ 112993746Sjulian total_len = (rxstat & MY_FLNGMASK) >> MY_FLNGShift; 113093746Sjulian total_len -= ETHER_CRC_LEN; 113193746Sjulian 113293746Sjulian if (total_len < MINCLSIZE) { 113393746Sjulian m = m_devget(mtod(cur_rx->my_mbuf, char *), 113493746Sjulian total_len, 0, ifp, NULL); 113593746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 113693746Sjulian if (m == NULL) { 1137271827Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 113893746Sjulian continue; 113993746Sjulian } 114093746Sjulian } else { 114193746Sjulian m = cur_rx->my_mbuf; 114293746Sjulian /* 114393746Sjulian * Try to conjure up a new mbuf cluster. If that 114493746Sjulian * fails, it means we have an out of memory condition 114593746Sjulian * and should leave the buffer in place and continue. 114693746Sjulian * This will result in a lost packet, but there's 114793746Sjulian * little else we can do in this situation. 114893746Sjulian */ 114993746Sjulian if (my_newbuf(sc, cur_rx) == ENOBUFS) { 1150271827Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 115193746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 115293746Sjulian continue; 115393746Sjulian } 115493746Sjulian m->m_pkthdr.rcvif = ifp; 115593746Sjulian m->m_pkthdr.len = m->m_len = total_len; 115693746Sjulian } 1157271827Sglebius if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); 115893746Sjulian eh = mtod(m, struct ether_header *); 115993746Sjulian#if NBPFILTER > 0 116093746Sjulian /* 116193746Sjulian * Handle BPF listeners. Let the BPF user see the packet, but 116293746Sjulian * don't pass it up to the ether_input() layer unless it's a 116393746Sjulian * broadcast packet, multicast packet, matches our ethernet 116493746Sjulian * address or the interface is in promiscuous mode. 116593746Sjulian */ 1166165632Sjhb if (bpf_peers_present(ifp->if_bpf)) { 1167165640Sjhb bpf_mtap(ifp->if_bpf, m); 116893746Sjulian if (ifp->if_flags & IFF_PROMISC && 1169152315Sru (bcmp(eh->ether_dhost, IF_LLADDR(sc->my_ifp), 117093746Sjulian ETHER_ADDR_LEN) && 117193746Sjulian (eh->ether_dhost[0] & 1) == 0)) { 117293746Sjulian m_freem(m); 117393746Sjulian continue; 117493746Sjulian } 117593746Sjulian } 117693746Sjulian#endif 1177122689Ssam MY_UNLOCK(sc); 1178106937Ssam (*ifp->if_input)(ifp, m); 1179122689Ssam MY_LOCK(sc); 118093746Sjulian } 118193746Sjulian return; 118293746Sjulian} 118393746Sjulian 118493746Sjulian 118593746Sjulian/* 118693746Sjulian * A frame was downloaded to the chip. It's safe for us to clean up the list 118793746Sjulian * buffers. 118893746Sjulian */ 118993746Sjulianstatic void 119093746Sjulianmy_txeof(struct my_softc * sc) 119193746Sjulian{ 119293746Sjulian struct my_chain *cur_tx; 119393746Sjulian struct ifnet *ifp; 119493746Sjulian 1195149151Sjhb MY_LOCK_ASSERT(sc); 1196147256Sbrooks ifp = sc->my_ifp; 119793746Sjulian /* Clear the timeout timer. */ 1198199540Sjhb sc->my_timer = 0; 119995939Sjulian if (sc->my_cdata.my_tx_head == NULL) { 120093746Sjulian return; 120195939Sjulian } 120293746Sjulian /* 120393746Sjulian * Go through our tx list and free mbufs for those frames that have 120493746Sjulian * been transmitted. 120593746Sjulian */ 120693746Sjulian while (sc->my_cdata.my_tx_head->my_mbuf != NULL) { 120793746Sjulian u_int32_t txstat; 120893746Sjulian 120993746Sjulian cur_tx = sc->my_cdata.my_tx_head; 121093746Sjulian txstat = MY_TXSTATUS(cur_tx); 121193746Sjulian if ((txstat & MY_OWNByNIC) || txstat == MY_UNSENT) 121293746Sjulian break; 121393746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced)) { 121493746Sjulian if (txstat & MY_TXERR) { 1215271827Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 121693746Sjulian if (txstat & MY_EC) /* excessive collision */ 1217271827Sglebius if_inc_counter(ifp, IFCOUNTER_COLLISIONS, 1); 121893746Sjulian if (txstat & MY_LC) /* late collision */ 1219271827Sglebius if_inc_counter(ifp, IFCOUNTER_COLLISIONS, 1); 122093746Sjulian } 1221271827Sglebius if_inc_counter(ifp, IFCOUNTER_COLLISIONS, 1222271827Sglebius (txstat & MY_NCRMASK) >> MY_NCRShift); 122393746Sjulian } 1224271827Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 122593746Sjulian m_freem(cur_tx->my_mbuf); 122693746Sjulian cur_tx->my_mbuf = NULL; 122793746Sjulian if (sc->my_cdata.my_tx_head == sc->my_cdata.my_tx_tail) { 122893746Sjulian sc->my_cdata.my_tx_head = NULL; 122993746Sjulian sc->my_cdata.my_tx_tail = NULL; 123093746Sjulian break; 123193746Sjulian } 123293746Sjulian sc->my_cdata.my_tx_head = cur_tx->my_nextdesc; 123393746Sjulian } 123493746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced) { 1235271827Sglebius if_inc_counter(ifp, IFCOUNTER_COLLISIONS, (CSR_READ_4(sc, MY_TSR) & MY_NCRMask)); 123693746Sjulian } 123793746Sjulian return; 123893746Sjulian} 123993746Sjulian 124093746Sjulian/* 124193746Sjulian * TX 'end of channel' interrupt handler. 124293746Sjulian */ 124393746Sjulianstatic void 124493746Sjulianmy_txeoc(struct my_softc * sc) 124593746Sjulian{ 124693746Sjulian struct ifnet *ifp; 124793746Sjulian 1248149151Sjhb MY_LOCK_ASSERT(sc); 1249147256Sbrooks ifp = sc->my_ifp; 1250199540Sjhb sc->my_timer = 0; 125193746Sjulian if (sc->my_cdata.my_tx_head == NULL) { 1252148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 125393746Sjulian sc->my_cdata.my_tx_tail = NULL; 125493746Sjulian if (sc->my_want_auto) 125593746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 125693746Sjulian } else { 125793746Sjulian if (MY_TXOWN(sc->my_cdata.my_tx_head) == MY_UNSENT) { 125893746Sjulian MY_TXOWN(sc->my_cdata.my_tx_head) = MY_OWNByNIC; 1259199540Sjhb sc->my_timer = 5; 126093746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); 126193746Sjulian } 126293746Sjulian } 126393746Sjulian return; 126493746Sjulian} 126593746Sjulian 126693746Sjulianstatic void 126793746Sjulianmy_intr(void *arg) 126893746Sjulian{ 126993746Sjulian struct my_softc *sc; 127093746Sjulian struct ifnet *ifp; 127193746Sjulian u_int32_t status; 127293746Sjulian 127393746Sjulian sc = arg; 127493746Sjulian MY_LOCK(sc); 1275147256Sbrooks ifp = sc->my_ifp; 127693746Sjulian if (!(ifp->if_flags & IFF_UP)) { 127793746Sjulian MY_UNLOCK(sc); 127893746Sjulian return; 127993746Sjulian } 128093746Sjulian /* Disable interrupts. */ 128193746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 128293746Sjulian 128393746Sjulian for (;;) { 128493746Sjulian status = CSR_READ_4(sc, MY_ISR); 128593746Sjulian status &= MY_INTRS; 128693746Sjulian if (status) 128793746Sjulian CSR_WRITE_4(sc, MY_ISR, status); 128893746Sjulian else 128993746Sjulian break; 129093746Sjulian 129193746Sjulian if (status & MY_RI) /* receive interrupt */ 129293746Sjulian my_rxeof(sc); 129393746Sjulian 129493746Sjulian if ((status & MY_RBU) || (status & MY_RxErr)) { 129593746Sjulian /* rx buffer unavailable or rx error */ 1296271827Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 129793746Sjulian#ifdef foo 129893746Sjulian my_stop(sc); 129993746Sjulian my_reset(sc); 1300149151Sjhb my_init_locked(sc); 130193746Sjulian#endif 130293746Sjulian } 130393746Sjulian if (status & MY_TI) /* tx interrupt */ 130493746Sjulian my_txeof(sc); 130593746Sjulian if (status & MY_ETI) /* tx early interrupt */ 130693746Sjulian my_txeof(sc); 130793746Sjulian if (status & MY_TBU) /* tx buffer unavailable */ 130893746Sjulian my_txeoc(sc); 130994863Sjulian 131094863Sjulian#if 0 /* 90/1/18 delete */ 131194863Sjulian if (status & MY_FBE) { 131294863Sjulian my_reset(sc); 1313149151Sjhb my_init_locked(sc); 131494863Sjulian } 131594863Sjulian#endif 131694863Sjulian 131793746Sjulian } 131893746Sjulian 131993746Sjulian /* Re-enable interrupts. */ 132093746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 1321159291Sbrueffer if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1322149151Sjhb my_start_locked(ifp); 132393746Sjulian MY_UNLOCK(sc); 132493746Sjulian return; 132593746Sjulian} 132693746Sjulian 132793746Sjulian/* 132893746Sjulian * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data 132993746Sjulian * pointers to the fragment pointers. 133093746Sjulian */ 133193746Sjulianstatic int 133293746Sjulianmy_encap(struct my_softc * sc, struct my_chain * c, struct mbuf * m_head) 133393746Sjulian{ 133493746Sjulian struct my_desc *f = NULL; 133593746Sjulian int total_len; 133693746Sjulian struct mbuf *m, *m_new = NULL; 133793746Sjulian 1338149151Sjhb MY_LOCK_ASSERT(sc); 133993746Sjulian /* calculate the total tx pkt length */ 134093746Sjulian total_len = 0; 134193746Sjulian for (m = m_head; m != NULL; m = m->m_next) 134293746Sjulian total_len += m->m_len; 134393746Sjulian /* 134493746Sjulian * Start packing the mbufs in this chain into the fragment pointers. 134593746Sjulian * Stop when we run out of fragments or hit the end of the mbuf 134693746Sjulian * chain. 134793746Sjulian */ 134893746Sjulian m = m_head; 1349243857Sglebius MGETHDR(m_new, M_NOWAIT, MT_DATA); 135093746Sjulian if (m_new == NULL) { 1351162321Sglebius device_printf(sc->my_dev, "no memory for tx list"); 135293746Sjulian return (1); 135393746Sjulian } 135493746Sjulian if (m_head->m_pkthdr.len > MHLEN) { 1355243857Sglebius MCLGET(m_new, M_NOWAIT); 135693746Sjulian if (!(m_new->m_flags & M_EXT)) { 135793746Sjulian m_freem(m_new); 1358162321Sglebius device_printf(sc->my_dev, "no memory for tx list"); 135993746Sjulian return (1); 136093746Sjulian } 136193746Sjulian } 136293746Sjulian m_copydata(m_head, 0, m_head->m_pkthdr.len, mtod(m_new, caddr_t)); 136393746Sjulian m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len; 136493746Sjulian m_freem(m_head); 136593746Sjulian m_head = m_new; 136693746Sjulian f = &c->my_ptr->my_frag[0]; 136793746Sjulian f->my_status = 0; 136893746Sjulian f->my_data = vtophys(mtod(m_new, caddr_t)); 136993746Sjulian total_len = m_new->m_len; 137093746Sjulian f->my_ctl = MY_TXFD | MY_TXLD | MY_CRCEnable | MY_PADEnable; 137193746Sjulian f->my_ctl |= total_len << MY_PKTShift; /* pkt size */ 137293746Sjulian f->my_ctl |= total_len; /* buffer size */ 137394904Sjulian /* 89/12/29 add, for mtd891 *//* [ 89? ] */ 137493746Sjulian if (sc->my_info->my_did == MTD891ID) 137593746Sjulian f->my_ctl |= MY_ETIControl | MY_RetryTxLC; 137693746Sjulian c->my_mbuf = m_head; 137793746Sjulian c->my_lastdesc = 0; 137893746Sjulian MY_TXNEXT(c) = vtophys(&c->my_nextdesc->my_ptr->my_frag[0]); 137993746Sjulian return (0); 138093746Sjulian} 138193746Sjulian 138293746Sjulian/* 138393746Sjulian * Main transmit routine. To avoid having to do mbuf copies, we put pointers 138493746Sjulian * to the mbuf data regions directly in the transmit lists. We also save a 138593746Sjulian * copy of the pointers since the transmit list fragment pointers are 138693746Sjulian * physical addresses. 138793746Sjulian */ 138893746Sjulianstatic void 138993746Sjulianmy_start(struct ifnet * ifp) 139093746Sjulian{ 139193746Sjulian struct my_softc *sc; 1392149151Sjhb 1393149151Sjhb sc = ifp->if_softc; 1394149151Sjhb MY_LOCK(sc); 1395149151Sjhb my_start_locked(ifp); 1396149151Sjhb MY_UNLOCK(sc); 1397149151Sjhb} 1398149151Sjhb 1399149151Sjhbstatic void 1400149151Sjhbmy_start_locked(struct ifnet * ifp) 1401149151Sjhb{ 1402149151Sjhb struct my_softc *sc; 140393746Sjulian struct mbuf *m_head = NULL; 140493746Sjulian struct my_chain *cur_tx = NULL, *start_tx; 140593746Sjulian 140693746Sjulian sc = ifp->if_softc; 1407149151Sjhb MY_LOCK_ASSERT(sc); 140893746Sjulian if (sc->my_autoneg) { 140993746Sjulian sc->my_tx_pend = 1; 141093746Sjulian return; 141193746Sjulian } 141293746Sjulian /* 141393746Sjulian * Check for an available queue slot. If there are none, punt. 141493746Sjulian */ 141593746Sjulian if (sc->my_cdata.my_tx_free->my_mbuf != NULL) { 1416148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 141793746Sjulian return; 141893746Sjulian } 141993746Sjulian start_tx = sc->my_cdata.my_tx_free; 142093746Sjulian while (sc->my_cdata.my_tx_free->my_mbuf == NULL) { 1421159291Sbrueffer IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head); 142293746Sjulian if (m_head == NULL) 142393746Sjulian break; 142493746Sjulian 142593746Sjulian /* Pick a descriptor off the free list. */ 142693746Sjulian cur_tx = sc->my_cdata.my_tx_free; 142793746Sjulian sc->my_cdata.my_tx_free = cur_tx->my_nextdesc; 142893746Sjulian 142993746Sjulian /* Pack the data into the descriptor. */ 143093746Sjulian my_encap(sc, cur_tx, m_head); 143193746Sjulian 143293746Sjulian if (cur_tx != start_tx) 143393746Sjulian MY_TXOWN(cur_tx) = MY_OWNByNIC; 143493746Sjulian#if NBPFILTER > 0 143593746Sjulian /* 143693746Sjulian * If there's a BPF listener, bounce a copy of this frame to 143793746Sjulian * him. 143893746Sjulian */ 1439106937Ssam BPF_MTAP(ifp, cur_tx->my_mbuf); 144093746Sjulian#endif 144193746Sjulian } 144293746Sjulian /* 144393746Sjulian * If there are no packets queued, bail. 144493746Sjulian */ 144593746Sjulian if (cur_tx == NULL) { 144693746Sjulian return; 144793746Sjulian } 144893746Sjulian /* 144993746Sjulian * Place the request for the upload interrupt in the last descriptor 145093746Sjulian * in the chain. This way, if we're chaining several packets at once, 1451172568Skevlo * we'll only get an interrupt once for the whole chain rather than 145293746Sjulian * once for each packet. 145393746Sjulian */ 145493746Sjulian MY_TXCTL(cur_tx) |= MY_TXIC; 145593746Sjulian cur_tx->my_ptr->my_frag[0].my_ctl |= MY_TXIC; 145693746Sjulian sc->my_cdata.my_tx_tail = cur_tx; 145793746Sjulian if (sc->my_cdata.my_tx_head == NULL) 145893746Sjulian sc->my_cdata.my_tx_head = start_tx; 145993746Sjulian MY_TXOWN(start_tx) = MY_OWNByNIC; 146093746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); /* tx polling demand */ 146193746Sjulian 146293746Sjulian /* 146393746Sjulian * Set a timeout in case the chip goes out to lunch. 146493746Sjulian */ 1465199540Sjhb sc->my_timer = 5; 146693746Sjulian return; 146793746Sjulian} 146893746Sjulian 146993746Sjulianstatic void 147093746Sjulianmy_init(void *xsc) 147193746Sjulian{ 147293746Sjulian struct my_softc *sc = xsc; 1473149151Sjhb 1474149151Sjhb MY_LOCK(sc); 1475149151Sjhb my_init_locked(sc); 1476149151Sjhb MY_UNLOCK(sc); 1477149151Sjhb} 1478149151Sjhb 1479149151Sjhbstatic void 1480149151Sjhbmy_init_locked(struct my_softc *sc) 1481149151Sjhb{ 1482147256Sbrooks struct ifnet *ifp = sc->my_ifp; 148393746Sjulian u_int16_t phy_bmcr = 0; 148493746Sjulian 1485149151Sjhb MY_LOCK_ASSERT(sc); 148693746Sjulian if (sc->my_autoneg) { 148793746Sjulian return; 148893746Sjulian } 148993746Sjulian if (sc->my_pinfo != NULL) 149093746Sjulian phy_bmcr = my_phy_readreg(sc, PHY_BMCR); 149193746Sjulian /* 149293746Sjulian * Cancel pending I/O and free all RX/TX buffers. 149393746Sjulian */ 149493746Sjulian my_stop(sc); 149593746Sjulian my_reset(sc); 149693746Sjulian 149793746Sjulian /* 149893746Sjulian * Set cache alignment and burst length. 149993746Sjulian */ 150094863Sjulian#if 0 /* 89/9/1 modify, */ 150194863Sjulian CSR_WRITE_4(sc, MY_BCR, MY_RPBLE512); 150294863Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF); 150394863Sjulian#endif 150493746Sjulian CSR_WRITE_4(sc, MY_BCR, MY_PBL8); 150593746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF | MY_RBLEN | MY_RPBLE512); 150693746Sjulian /* 150793746Sjulian * 89/12/29 add, for mtd891, 150893746Sjulian */ 150993746Sjulian if (sc->my_info->my_did == MTD891ID) { 151093746Sjulian MY_SETBIT(sc, MY_BCR, MY_PROG); 151193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_Enhanced); 151293746Sjulian } 151393746Sjulian my_setcfg(sc, phy_bmcr); 151493746Sjulian /* Init circular RX list. */ 151593746Sjulian if (my_list_rx_init(sc) == ENOBUFS) { 1516162321Sglebius device_printf(sc->my_dev, "init failed: no memory for rx buffers\n"); 151793746Sjulian my_stop(sc); 151893746Sjulian return; 151993746Sjulian } 152093746Sjulian /* Init TX descriptors. */ 152193746Sjulian my_list_tx_init(sc); 152293746Sjulian 152393746Sjulian /* If we want promiscuous mode, set the allframes bit. */ 152493746Sjulian if (ifp->if_flags & IFF_PROMISC) 152593746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PROM); 152693746Sjulian else 152793746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PROM); 152893746Sjulian 152993746Sjulian /* 153093746Sjulian * Set capture broadcast bit to capture broadcast frames. 153193746Sjulian */ 153293746Sjulian if (ifp->if_flags & IFF_BROADCAST) 153393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_AB); 153493746Sjulian else 153593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_AB); 153693746Sjulian 153793746Sjulian /* 153893746Sjulian * Program the multicast filter, if necessary. 153993746Sjulian */ 154093746Sjulian my_setmulti(sc); 154193746Sjulian 154293746Sjulian /* 154393746Sjulian * Load the address of the RX list. 154493746Sjulian */ 154593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_RE); 154693746Sjulian CSR_WRITE_4(sc, MY_RXLBA, vtophys(&sc->my_ldata->my_rx_list[0])); 154793746Sjulian 154893746Sjulian /* 154993746Sjulian * Enable interrupts. 155093746Sjulian */ 155193746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 155293746Sjulian CSR_WRITE_4(sc, MY_ISR, 0xFFFFFFFF); 155393746Sjulian 155493746Sjulian /* Enable receiver and transmitter. */ 155593746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_RE); 155693746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_TE); 155793746Sjulian CSR_WRITE_4(sc, MY_TXLBA, vtophys(&sc->my_ldata->my_tx_list[0])); 155893746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE); 155993746Sjulian 156093746Sjulian /* Restore state of BMCR */ 156193746Sjulian if (sc->my_pinfo != NULL) 156293746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_bmcr); 1563148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 1564148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1565199540Sjhb 1566199540Sjhb callout_reset(&sc->my_watchdog, hz, my_watchdog, sc); 156793746Sjulian return; 156893746Sjulian} 156993746Sjulian 157093746Sjulian/* 157193746Sjulian * Set media options. 157293746Sjulian */ 157393746Sjulian 157493746Sjulianstatic int 157593746Sjulianmy_ifmedia_upd(struct ifnet * ifp) 157693746Sjulian{ 157793746Sjulian struct my_softc *sc; 157893746Sjulian struct ifmedia *ifm; 157993746Sjulian 158093746Sjulian sc = ifp->if_softc; 158193746Sjulian MY_LOCK(sc); 158293746Sjulian ifm = &sc->ifmedia; 158393746Sjulian if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) { 158493746Sjulian MY_UNLOCK(sc); 158593746Sjulian return (EINVAL); 158693746Sjulian } 158793746Sjulian if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) 158893746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 158993746Sjulian else 159093746Sjulian my_setmode_mii(sc, ifm->ifm_media); 159193746Sjulian MY_UNLOCK(sc); 159293746Sjulian return (0); 159393746Sjulian} 159493746Sjulian 159593746Sjulian/* 159693746Sjulian * Report current media status. 159793746Sjulian */ 159893746Sjulian 159993746Sjulianstatic void 160093746Sjulianmy_ifmedia_sts(struct ifnet * ifp, struct ifmediareq * ifmr) 160193746Sjulian{ 160293746Sjulian struct my_softc *sc; 160393746Sjulian u_int16_t advert = 0, ability = 0; 160493746Sjulian 160593746Sjulian sc = ifp->if_softc; 160693746Sjulian MY_LOCK(sc); 160793746Sjulian ifmr->ifm_active = IFM_ETHER; 160893746Sjulian if (!(my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_AUTONEGENBL)) { 160994863Sjulian#if 0 /* this version did not support 1000M, */ 161094863Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_1000) 161194863Sjulian ifmr->ifm_active = IFM_ETHER | IFM_1000TX; 161294863Sjulian#endif 161393746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_SPEEDSEL) 161493746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX; 161593746Sjulian else 161693746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T; 161793746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_DUPLEX) 161893746Sjulian ifmr->ifm_active |= IFM_FDX; 161993746Sjulian else 162093746Sjulian ifmr->ifm_active |= IFM_HDX; 162193746Sjulian 162293746Sjulian MY_UNLOCK(sc); 162393746Sjulian return; 162493746Sjulian } 162593746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 162693746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 162793746Sjulian 162894863Sjulian#if 0 /* this version did not support 1000M, */ 162993746Sjulian if (sc->my_pinfo->my_vid = MarvellPHYID0) { 163093746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 163193746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 163293746Sjulian advert = 0; 163393746Sjulian ability = 0; 163495673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_FDX; 163593746Sjulian } else if (ability & PHY_1000SR_1000BTXHALF) { 163693746Sjulian advert = 0; 163793746Sjulian ability = 0; 163895673Sphk ifmr->ifm_active = IFM_ETHER|IFM_1000_T|IFM_HDX; 163993746Sjulian } 164093746Sjulian } 164193746Sjulian#endif 164293746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) 164393746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_T4; 164493746Sjulian else if (advert & PHY_ANAR_100BTXFULL && ability & PHY_ANAR_100BTXFULL) 164593746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_FDX; 164693746Sjulian else if (advert & PHY_ANAR_100BTXHALF && ability & PHY_ANAR_100BTXHALF) 164793746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_HDX; 164893746Sjulian else if (advert & PHY_ANAR_10BTFULL && ability & PHY_ANAR_10BTFULL) 164993746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_FDX; 165093746Sjulian else if (advert & PHY_ANAR_10BTHALF && ability & PHY_ANAR_10BTHALF) 165193746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_HDX; 165293746Sjulian MY_UNLOCK(sc); 165393746Sjulian return; 165493746Sjulian} 165593746Sjulian 165693746Sjulianstatic int 165793746Sjulianmy_ioctl(struct ifnet * ifp, u_long command, caddr_t data) 165893746Sjulian{ 165993746Sjulian struct my_softc *sc = ifp->if_softc; 166093746Sjulian struct ifreq *ifr = (struct ifreq *) data; 1661149151Sjhb int error; 166293746Sjulian 166393746Sjulian switch (command) { 166493746Sjulian case SIOCSIFFLAGS: 1665149151Sjhb MY_LOCK(sc); 166693746Sjulian if (ifp->if_flags & IFF_UP) 1667149151Sjhb my_init_locked(sc); 1668148887Srwatson else if (ifp->if_drv_flags & IFF_DRV_RUNNING) 166993746Sjulian my_stop(sc); 1670149151Sjhb MY_UNLOCK(sc); 167193746Sjulian error = 0; 167293746Sjulian break; 167393746Sjulian case SIOCADDMULTI: 167493746Sjulian case SIOCDELMULTI: 1675149151Sjhb MY_LOCK(sc); 167693746Sjulian my_setmulti(sc); 1677149151Sjhb MY_UNLOCK(sc); 167893746Sjulian error = 0; 167993746Sjulian break; 168093746Sjulian case SIOCGIFMEDIA: 168193746Sjulian case SIOCSIFMEDIA: 168293746Sjulian error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command); 168393746Sjulian break; 168493746Sjulian default: 1685106937Ssam error = ether_ioctl(ifp, command, data); 168693746Sjulian break; 168793746Sjulian } 168893746Sjulian return (error); 168993746Sjulian} 169093746Sjulian 169193746Sjulianstatic void 1692199540Sjhbmy_watchdog(void *arg) 169393746Sjulian{ 169493746Sjulian struct my_softc *sc; 1695199540Sjhb struct ifnet *ifp; 169693746Sjulian 1697199540Sjhb sc = arg; 1698199540Sjhb MY_LOCK_ASSERT(sc); 1699199540Sjhb callout_reset(&sc->my_watchdog, hz, my_watchdog, sc); 1700199540Sjhb if (sc->my_timer == 0 || --sc->my_timer > 0) 170193746Sjulian return; 1702199540Sjhb 1703199540Sjhb ifp = sc->my_ifp; 1704271827Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1705148945Sjhb if_printf(ifp, "watchdog timeout\n"); 170693746Sjulian if (!(my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT)) 1707148945Sjhb if_printf(ifp, "no carrier - transceiver cable problem?\n"); 170893746Sjulian my_stop(sc); 170993746Sjulian my_reset(sc); 1710149151Sjhb my_init_locked(sc); 1711159291Sbrueffer if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1712149151Sjhb my_start_locked(ifp); 171393746Sjulian} 171493746Sjulian 171593746Sjulian 171693746Sjulian/* 171793746Sjulian * Stop the adapter and free any mbufs allocated to the RX and TX lists. 171893746Sjulian */ 171993746Sjulianstatic void 172093746Sjulianmy_stop(struct my_softc * sc) 172193746Sjulian{ 172293746Sjulian register int i; 172393746Sjulian struct ifnet *ifp; 172493746Sjulian 1725149151Sjhb MY_LOCK_ASSERT(sc); 1726147256Sbrooks ifp = sc->my_ifp; 172793746Sjulian 1728199540Sjhb callout_stop(&sc->my_autoneg_timer); 1729199540Sjhb callout_stop(&sc->my_watchdog); 1730199540Sjhb 173193746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_RE | MY_TE)); 173293746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 173393746Sjulian CSR_WRITE_4(sc, MY_TXLBA, 0x00000000); 173493746Sjulian CSR_WRITE_4(sc, MY_RXLBA, 0x00000000); 173593746Sjulian 173693746Sjulian /* 173793746Sjulian * Free data in the RX lists. 173893746Sjulian */ 173993746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 174093746Sjulian if (sc->my_cdata.my_rx_chain[i].my_mbuf != NULL) { 174193746Sjulian m_freem(sc->my_cdata.my_rx_chain[i].my_mbuf); 174293746Sjulian sc->my_cdata.my_rx_chain[i].my_mbuf = NULL; 174393746Sjulian } 174493746Sjulian } 174593746Sjulian bzero((char *)&sc->my_ldata->my_rx_list, 174693746Sjulian sizeof(sc->my_ldata->my_rx_list)); 174793746Sjulian /* 174893746Sjulian * Free the TX list buffers. 174993746Sjulian */ 175093746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 175193746Sjulian if (sc->my_cdata.my_tx_chain[i].my_mbuf != NULL) { 175293746Sjulian m_freem(sc->my_cdata.my_tx_chain[i].my_mbuf); 175393746Sjulian sc->my_cdata.my_tx_chain[i].my_mbuf = NULL; 175493746Sjulian } 175593746Sjulian } 175693746Sjulian bzero((char *)&sc->my_ldata->my_tx_list, 175793746Sjulian sizeof(sc->my_ldata->my_tx_list)); 1758148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 175993746Sjulian return; 176093746Sjulian} 176193746Sjulian 176293746Sjulian/* 176393746Sjulian * Stop all chip I/O so that the kernel's probe routines don't get confused 176493746Sjulian * by errant DMAs when rebooting. 176593746Sjulian */ 1766188172Simpstatic int 176793746Sjulianmy_shutdown(device_t dev) 176893746Sjulian{ 176993746Sjulian struct my_softc *sc; 177093746Sjulian 177193746Sjulian sc = device_get_softc(dev); 1772149151Sjhb MY_LOCK(sc); 177393746Sjulian my_stop(sc); 1774149151Sjhb MY_UNLOCK(sc); 1775188172Simp return 0; 177693746Sjulian} 1777