if_my.c revision 93746
193746Sjulian/* 293746Sjulian * Copyright (c) 2002 Myson Technology Inc. 393746Sjulian * All rights reserved. 493746Sjulian * 593746Sjulian * Redistribution and use in source and binary forms, with or without 693746Sjulian * modification, are permitted provided that the following conditions 793746Sjulian * are met: 893746Sjulian * 1. Redistributions of source code must retain the above copyright 993746Sjulian * notice, this list of conditions, and the following disclaimer, 1093746Sjulian * without modification, immediately at the beginning of the file. 1193746Sjulian * 2. The name of the author may not be used to endorse or promote products 1293746Sjulian * derived from this software without specific prior written permission. 1393746Sjulian * 1493746Sjulian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1593746Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1693746Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1793746Sjulian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 1893746Sjulian * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1993746Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2093746Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2193746Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2293746Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2393746Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2493746Sjulian * SUCH DAMAGE. 2593746Sjulian * 2693746Sjulian * Written by: yen_cw@myson.com.tw available at: http://www.myson.com.tw/ 2793746Sjulian * 2893746Sjulian * $FreeBSD: head/sys/dev/my/if_my.c 93746 2002-04-04 05:22:13Z julian $ 2993746Sjulian * 3093746Sjulian * Myson fast ethernet PCI NIC driver 3193746Sjulian */ 3293746Sjulian#include <sys/param.h> 3393746Sjulian#include <sys/systm.h> 3493746Sjulian#include <sys/sockio.h> 3593746Sjulian#include <sys/mbuf.h> 3693746Sjulian#include <sys/malloc.h> 3793746Sjulian#include <sys/kernel.h> 3893746Sjulian#include <sys/socket.h> 3993746Sjulian#include <sys/queue.h> 4093746Sjulian#include <sys/types.h> 4193746Sjulian#include <sys/bus.h> 4293746Sjulian#include <sys/module.h> 4393746Sjulian 4493746Sjulian#define NBPFILTER 1 4593746Sjulian 4693746Sjulian#include <net/if.h> 4793746Sjulian#include <net/if_arp.h> 4893746Sjulian#include <net/ethernet.h> 4993746Sjulian#include <net/if_media.h> 5093746Sjulian#include <net/if_dl.h> 5193746Sjulian#include <net/bpf.h> 5293746Sjulian 5393746Sjulian#include <vm/vm.h> /* for vtophys */ 5493746Sjulian#include <vm/pmap.h> /* for vtophys */ 5593746Sjulian#include <machine/clock.h> /* for DELAY */ 5693746Sjulian#include <machine/bus_memio.h> 5793746Sjulian#include <machine/bus_pio.h> 5893746Sjulian#include <machine/bus.h> 5993746Sjulian#include <machine/resource.h> 6093746Sjulian#include <sys/bus.h> 6193746Sjulian#include <sys/rman.h> 6293746Sjulian 6393746Sjulian#include <pci/pcireg.h> 6493746Sjulian#include <pci/pcivar.h> 6593746Sjulian 6693746Sjulian#include <dev/mii/mii.h> 6793746Sjulian#include <dev/mii/miivar.h> 6893746Sjulian 6993746Sjulian#include "miibus_if.h" 7093746Sjulian 7193746Sjulian/* 7293746Sjulian * #define MY_USEIOSPACE 7393746Sjulian */ 7493746Sjulian 7593746Sjulianstatic int MY_USEIOSPACE = 1; 7693746Sjulian 7793746Sjulian#if (MY_USEIOSPACE) 7893746Sjulian#define MY_RES SYS_RES_IOPORT 7993746Sjulian#define MY_RID MY_PCI_LOIO 8093746Sjulian#else 8193746Sjulian#define MY_RES SYS_RES_MEMORY 8293746Sjulian#define MY_RID MY_PCI_LOMEM 8393746Sjulian#endif 8493746Sjulian 8593746Sjulian 8693746Sjulian#include <dev/my/if_myreg.h> 8793746Sjulian 8893746Sjulian#ifndef lint 8993746Sjulianstatic const char rcsid[] = 9093746Sjulian"$Id: if_my.c,v 1.50 2001/12/03 04:15:33 <yen_cw@myson.com.tw> wpaul Exp $"; 9193746Sjulian#endif 9293746Sjulian 9393746Sjulian/* 9493746Sjulian * Various supported device vendors/types and their names. 9593746Sjulian */ 9693746Sjulianstruct my_type *my_info_tmp; 9793746Sjulianstatic struct my_type my_devs[] = { 9893746Sjulian {MYSONVENDORID, MTD800ID, "Myson MTD80X Based Fast Ethernet Card"}, 9993746Sjulian {MYSONVENDORID, MTD803ID, "Myson MTD80X Based Fast Ethernet Card"}, 10093746Sjulian {MYSONVENDORID, MTD891ID, "Myson MTD89X Based Giga Ethernet Card"}, 10193746Sjulian {0, 0, NULL} 10293746Sjulian}; 10393746Sjulian 10493746Sjulian/* 10593746Sjulian * Various supported PHY vendors/types and their names. Note that this driver 10693746Sjulian * will work with pretty much any MII-compliant PHY, so failure to positively 10793746Sjulian * identify the chip is not a fatal error. 10893746Sjulian */ 10993746Sjulianstatic struct my_type my_phys[] = { 11093746Sjulian {MysonPHYID0, MysonPHYID0, "<MYSON MTD981>"}, 11193746Sjulian {SeeqPHYID0, SeeqPHYID0, "<SEEQ 80225>"}, 11293746Sjulian {AhdocPHYID0, AhdocPHYID0, "<AHDOC 101>"}, 11393746Sjulian {MarvellPHYID0, MarvellPHYID0, "<MARVELL 88E1000>"}, 11493746Sjulian {LevelOnePHYID0, LevelOnePHYID0, "<LevelOne LXT1000>"}, 11593746Sjulian {0, 0, "<MII-compliant physical interface>"} 11693746Sjulian}; 11793746Sjulian 11893746Sjulianstatic int my_probe(device_t); 11993746Sjulianstatic int my_attach(device_t); 12093746Sjulianstatic int my_detach(device_t); 12193746Sjulianstatic int my_newbuf(struct my_softc *, struct my_chain_onefrag *); 12293746Sjulianstatic int my_encap(struct my_softc *, struct my_chain *, struct mbuf *); 12393746Sjulianstatic void my_rxeof(struct my_softc *); 12493746Sjulianstatic void my_txeof(struct my_softc *); 12593746Sjulianstatic void my_txeoc(struct my_softc *); 12693746Sjulianstatic void my_intr(void *); 12793746Sjulianstatic void my_start(struct ifnet *); 12893746Sjulianstatic int my_ioctl(struct ifnet *, u_long, caddr_t); 12993746Sjulianstatic void my_init(void *); 13093746Sjulianstatic void my_stop(struct my_softc *); 13193746Sjulianstatic void my_watchdog(struct ifnet *); 13293746Sjulianstatic void my_shutdown(device_t); 13393746Sjulianstatic int my_ifmedia_upd(struct ifnet *); 13493746Sjulianstatic void my_ifmedia_sts(struct ifnet *, struct ifmediareq *); 13593746Sjulianstatic u_int16_t my_phy_readreg(struct my_softc *, int); 13693746Sjulianstatic void my_phy_writereg(struct my_softc *, int, int); 13793746Sjulianstatic void my_autoneg_xmit(struct my_softc *); 13893746Sjulianstatic void my_autoneg_mii(struct my_softc *, int, int); 13993746Sjulianstatic void my_setmode_mii(struct my_softc *, int); 14093746Sjulianstatic void my_getmode_mii(struct my_softc *); 14193746Sjulianstatic void my_setcfg(struct my_softc *, int); 14293746Sjulianstatic u_int8_t my_calchash(caddr_t); 14393746Sjulianstatic void my_setmulti(struct my_softc *); 14493746Sjulianstatic void my_reset(struct my_softc *); 14593746Sjulianstatic int my_list_rx_init(struct my_softc *); 14693746Sjulianstatic int my_list_tx_init(struct my_softc *); 14793746Sjulianstatic long my_send_cmd_to_phy(struct my_softc *, int, int); 14893746Sjulian 14993746Sjulian#define MY_SETBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) | x) 15093746Sjulian#define MY_CLRBIT(sc, reg, x) CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) & ~x) 15193746Sjulian 15293746Sjulianstatic device_method_t my_methods[] = { 15393746Sjulian /* Device interface */ 15493746Sjulian DEVMETHOD(device_probe, my_probe), 15593746Sjulian DEVMETHOD(device_attach, my_attach), 15693746Sjulian DEVMETHOD(device_detach, my_detach), 15793746Sjulian DEVMETHOD(device_shutdown, my_shutdown), 15893746Sjulian 15993746Sjulian {0, 0} 16093746Sjulian}; 16193746Sjulian 16293746Sjulianstatic driver_t my_driver = { 16393746Sjulian "my", 16493746Sjulian my_methods, 16593746Sjulian sizeof(struct my_softc) 16693746Sjulian}; 16793746Sjulian 16893746Sjulianstatic devclass_t my_devclass; 16993746Sjulian 17093746SjulianDRIVER_MODULE(if_my, pci, my_driver, my_devclass, 0, 0); 17193746Sjulian 17293746Sjulianstatic long 17393746Sjulianmy_send_cmd_to_phy(struct my_softc * sc, int opcode, int regad) 17493746Sjulian{ 17593746Sjulian long miir; 17693746Sjulian int i; 17793746Sjulian int mask, data; 17893746Sjulian 17993746Sjulian MY_LOCK(sc); 18093746Sjulian 18193746Sjulian /* enable MII output */ 18293746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 18393746Sjulian miir &= 0xfffffff0; 18493746Sjulian 18593746Sjulian miir |= MY_MASK_MIIR_MII_WRITE + MY_MASK_MIIR_MII_MDO; 18693746Sjulian 18793746Sjulian /* send 32 1's preamble */ 18893746Sjulian for (i = 0; i < 32; i++) { 18993746Sjulian /* low MDC; MDO is already high (miir) */ 19093746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 19193746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19293746Sjulian 19393746Sjulian /* high MDC */ 19493746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 19593746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 19693746Sjulian } 19793746Sjulian 19893746Sjulian /* calculate ST+OP+PHYAD+REGAD+TA */ 19993746Sjulian data = opcode | (sc->my_phy_addr << 7) | (regad << 2); 20093746Sjulian 20193746Sjulian /* sent out */ 20293746Sjulian mask = 0x8000; 20393746Sjulian while (mask) { 20493746Sjulian /* low MDC, prepare MDO */ 20593746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 20693746Sjulian if (mask & data) 20793746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 20893746Sjulian 20993746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21093746Sjulian /* high MDC */ 21193746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 21293746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 21393746Sjulian DELAY(30); 21493746Sjulian 21593746Sjulian /* next */ 21693746Sjulian mask >>= 1; 21793746Sjulian if (mask == 0x2 && opcode == MY_OP_READ) 21893746Sjulian miir &= ~MY_MASK_MIIR_MII_WRITE; 21993746Sjulian } 22093746Sjulian 22193746Sjulian MY_UNLOCK(sc); 22293746Sjulian return miir; 22393746Sjulian} 22493746Sjulian 22593746Sjulian 22693746Sjulianstatic u_int16_t 22793746Sjulianmy_phy_readreg(struct my_softc * sc, int reg) 22893746Sjulian{ 22993746Sjulian long miir; 23093746Sjulian int mask, data; 23193746Sjulian 23293746Sjulian MY_LOCK(sc); 23393746Sjulian 23493746Sjulian if (sc->my_info->my_did == MTD803ID) 23593746Sjulian data = CSR_READ_2(sc, MY_PHYBASE + reg * 2); 23693746Sjulian else { 23793746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_READ, reg); 23893746Sjulian 23993746Sjulian /* read data */ 24093746Sjulian mask = 0x8000; 24193746Sjulian data = 0; 24293746Sjulian while (mask) { 24393746Sjulian /* low MDC */ 24493746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 24593746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 24693746Sjulian 24793746Sjulian /* read MDI */ 24893746Sjulian miir = CSR_READ_4(sc, MY_MANAGEMENT); 24993746Sjulian if (miir & MY_MASK_MIIR_MII_MDI) 25093746Sjulian data |= mask; 25193746Sjulian 25293746Sjulian /* high MDC, and wait */ 25393746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 25493746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 25593746Sjulian DELAY(30); 25693746Sjulian 25793746Sjulian /* next */ 25893746Sjulian mask >>= 1; 25993746Sjulian } 26093746Sjulian 26193746Sjulian /* low MDC */ 26293746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 26393746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 26493746Sjulian } 26593746Sjulian 26693746Sjulian MY_UNLOCK(sc); 26793746Sjulian return (u_int16_t) data; 26893746Sjulian} 26993746Sjulian 27093746Sjulian 27193746Sjulianstatic void 27293746Sjulianmy_phy_writereg(struct my_softc * sc, int reg, int data) 27393746Sjulian{ 27493746Sjulian long miir; 27593746Sjulian int mask; 27693746Sjulian 27793746Sjulian MY_LOCK(sc); 27893746Sjulian 27993746Sjulian if (sc->my_info->my_did == MTD803ID) 28093746Sjulian CSR_WRITE_2(sc, MY_PHYBASE + reg * 2, data); 28193746Sjulian else { 28293746Sjulian miir = my_send_cmd_to_phy(sc, MY_OP_WRITE, reg); 28393746Sjulian 28493746Sjulian /* write data */ 28593746Sjulian mask = 0x8000; 28693746Sjulian while (mask) { 28793746Sjulian /* low MDC, prepare MDO */ 28893746Sjulian miir &= ~(MY_MASK_MIIR_MII_MDC + MY_MASK_MIIR_MII_MDO); 28993746Sjulian if (mask & data) 29093746Sjulian miir |= MY_MASK_MIIR_MII_MDO; 29193746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29293746Sjulian DELAY(1); 29393746Sjulian 29493746Sjulian /* high MDC */ 29593746Sjulian miir |= MY_MASK_MIIR_MII_MDC; 29693746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 29793746Sjulian DELAY(1); 29893746Sjulian 29993746Sjulian /* next */ 30093746Sjulian mask >>= 1; 30193746Sjulian } 30293746Sjulian 30393746Sjulian /* low MDC */ 30493746Sjulian miir &= ~MY_MASK_MIIR_MII_MDC; 30593746Sjulian CSR_WRITE_4(sc, MY_MANAGEMENT, miir); 30693746Sjulian } 30793746Sjulian MY_UNLOCK(sc); 30893746Sjulian return; 30993746Sjulian} 31093746Sjulian 31193746Sjulianstatic u_int8_t 31293746Sjulianmy_calchash(caddr_t addr) 31393746Sjulian{ 31493746Sjulian u_int32_t crc, carry; 31593746Sjulian int i, j; 31693746Sjulian u_int8_t c; 31793746Sjulian 31893746Sjulian /* Compute CRC for the address value. */ 31993746Sjulian crc = 0xFFFFFFFF; /* initial value */ 32093746Sjulian 32193746Sjulian for (i = 0; i < 6; i++) { 32293746Sjulian c = *(addr + i); 32393746Sjulian for (j = 0; j < 8; j++) { 32493746Sjulian carry = ((crc & 0x80000000) ? 1 : 0) ^ (c & 0x01); 32593746Sjulian crc <<= 1; 32693746Sjulian c >>= 1; 32793746Sjulian if (carry) 32893746Sjulian crc = (crc ^ 0x04c11db6) | carry; 32993746Sjulian } 33093746Sjulian } 33193746Sjulian 33293746Sjulian /* 33393746Sjulian * return the filter bit position Note: I arrived at the following 33493746Sjulian * nonsense through experimentation. It's not the usual way to 33593746Sjulian * generate the bit position but it's the only thing I could come up 33693746Sjulian * with that works. 33793746Sjulian */ 33893746Sjulian return (~(crc >> 26) & 0x0000003F); 33993746Sjulian} 34093746Sjulian 34193746Sjulian 34293746Sjulian/* 34393746Sjulian * Program the 64-bit multicast hash filter. 34493746Sjulian */ 34593746Sjulianstatic void 34693746Sjulianmy_setmulti(struct my_softc * sc) 34793746Sjulian{ 34893746Sjulian struct ifnet *ifp; 34993746Sjulian int h = 0; 35093746Sjulian u_int32_t hashes[2] = {0, 0}; 35193746Sjulian struct ifmultiaddr *ifma; 35293746Sjulian u_int32_t rxfilt; 35393746Sjulian int mcnt = 0; 35493746Sjulian 35593746Sjulian MY_LOCK(sc); 35693746Sjulian 35793746Sjulian ifp = &sc->arpcom.ac_if; 35893746Sjulian 35993746Sjulian rxfilt = CSR_READ_4(sc, MY_TCRRCR); 36093746Sjulian 36193746Sjulian if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 36293746Sjulian rxfilt |= MY_AM; 36393746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 36493746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0xFFFFFFFF); 36593746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0xFFFFFFFF); 36693746Sjulian 36793746Sjulian MY_UNLOCK(sc); 36893746Sjulian 36993746Sjulian return; 37093746Sjulian } 37193746Sjulian /* first, zot all the existing hash bits */ 37293746Sjulian CSR_WRITE_4(sc, MY_MAR0, 0); 37393746Sjulian CSR_WRITE_4(sc, MY_MAR1, 0); 37493746Sjulian 37593746Sjulian /* now program new ones */ 37693746Sjulian /* 37793746Sjulian * Add by Surfer for (ifma = ifp->if_multiaddrs.lh_first; ifma != 37893746Sjulian * NULL; ifma = ifma->ifma_link.le_next) { if 37993746Sjulian * (ifma->ifma_addr->sa_family != AF_LINK) continue; h = 38093746Sjulian * my_calchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); if (h 38193746Sjulian * < 32) hashes[0] |= (1 << h); else hashes[1] |= (1 << (h - 32)); 38293746Sjulian * mcnt++; } 38393746Sjulian */ 38493746Sjulian 38593746Sjulian TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 38693746Sjulian if (ifma->ifma_addr->sa_family != AF_LINK) 38793746Sjulian continue; 38893746Sjulian h = my_calchash(LLADDR((struct sockaddr_dl *) ifma->ifma_addr)); 38993746Sjulian if (h < 32) 39093746Sjulian hashes[0] |= (1 << h); 39193746Sjulian else 39293746Sjulian hashes[1] |= (1 << (h - 32)); 39393746Sjulian mcnt++; 39493746Sjulian } 39593746Sjulian 39693746Sjulian if (mcnt) 39793746Sjulian rxfilt |= MY_AM; 39893746Sjulian else 39993746Sjulian rxfilt &= ~MY_AM; 40093746Sjulian CSR_WRITE_4(sc, MY_MAR0, hashes[0]); 40193746Sjulian CSR_WRITE_4(sc, MY_MAR1, hashes[1]); 40293746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, rxfilt); 40393746Sjulian MY_UNLOCK(sc); 40493746Sjulian return; 40593746Sjulian} 40693746Sjulian 40793746Sjulian/* 40893746Sjulian * Initiate an autonegotiation session. 40993746Sjulian */ 41093746Sjulianstatic void 41193746Sjulianmy_autoneg_xmit(struct my_softc * sc) 41293746Sjulian{ 41393746Sjulian u_int16_t phy_sts = 0; 41493746Sjulian 41593746Sjulian MY_LOCK(sc); 41693746Sjulian 41793746Sjulian my_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET); 41893746Sjulian DELAY(500); 41993746Sjulian while (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_RESET); 42093746Sjulian 42193746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMCR); 42293746Sjulian phy_sts |= PHY_BMCR_AUTONEGENBL | PHY_BMCR_AUTONEGRSTR; 42393746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_sts); 42493746Sjulian 42593746Sjulian MY_UNLOCK(sc); 42693746Sjulian return; 42793746Sjulian} 42893746Sjulian 42993746Sjulian 43093746Sjulian/* 43193746Sjulian * Invoke autonegotiation on a PHY. 43293746Sjulian */ 43393746Sjulianstatic void 43493746Sjulianmy_autoneg_mii(struct my_softc * sc, int flag, int verbose) 43593746Sjulian{ 43693746Sjulian u_int16_t phy_sts = 0, media, advert, ability; 43793746Sjulian u_int16_t ability2 = 0; 43893746Sjulian struct ifnet *ifp; 43993746Sjulian struct ifmedia *ifm; 44093746Sjulian 44193746Sjulian MY_LOCK(sc); 44293746Sjulian 44393746Sjulian ifm = &sc->ifmedia; 44493746Sjulian ifp = &sc->arpcom.ac_if; 44593746Sjulian 44693746Sjulian ifm->ifm_media = IFM_ETHER | IFM_AUTO; 44793746Sjulian 44893746Sjulian#ifndef FORCE_AUTONEG_TFOUR 44993746Sjulian /* 45093746Sjulian * First, see if autoneg is supported. If not, there's no point in 45193746Sjulian * continuing. 45293746Sjulian */ 45393746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 45493746Sjulian if (!(phy_sts & PHY_BMSR_CANAUTONEG)) { 45593746Sjulian if (verbose) 45693746Sjulian printf("my%d: autonegotiation not supported\n", 45793746Sjulian sc->my_unit); 45893746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 45993746Sjulian MY_UNLOCK(sc); 46093746Sjulian return; 46193746Sjulian } 46293746Sjulian#endif 46393746Sjulian switch (flag) { 46493746Sjulian case MY_FLAG_FORCEDELAY: 46593746Sjulian /* 46693746Sjulian * XXX Never use this option anywhere but in the probe 46793746Sjulian * routine: making the kernel stop dead in its tracks for 46893746Sjulian * three whole seconds after we've gone multi-user is really 46993746Sjulian * bad manners. 47093746Sjulian */ 47193746Sjulian my_autoneg_xmit(sc); 47293746Sjulian DELAY(5000000); 47393746Sjulian break; 47493746Sjulian case MY_FLAG_SCHEDDELAY: 47593746Sjulian /* 47693746Sjulian * Wait for the transmitter to go idle before starting an 47793746Sjulian * autoneg session, otherwise my_start() may clobber our 47893746Sjulian * timeout, and we don't want to allow transmission during an 47993746Sjulian * autoneg session since that can screw it up. 48093746Sjulian */ 48193746Sjulian if (sc->my_cdata.my_tx_head != NULL) { 48293746Sjulian sc->my_want_auto = 1; 48393746Sjulian MY_UNLOCK(sc); 48493746Sjulian return; 48593746Sjulian } 48693746Sjulian my_autoneg_xmit(sc); 48793746Sjulian ifp->if_timer = 5; 48893746Sjulian sc->my_autoneg = 1; 48993746Sjulian sc->my_want_auto = 0; 49093746Sjulian MY_UNLOCK(sc); 49193746Sjulian return; 49293746Sjulian case MY_FLAG_DELAYTIMEO: 49393746Sjulian ifp->if_timer = 0; 49493746Sjulian sc->my_autoneg = 0; 49593746Sjulian break; 49693746Sjulian default: 49793746Sjulian printf("my%d: invalid autoneg flag: %d\n", sc->my_unit, flag); 49893746Sjulian MY_UNLOCK(sc); 49993746Sjulian return; 50093746Sjulian } 50193746Sjulian 50293746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) { 50393746Sjulian if (verbose) 50493746Sjulian printf("my%d: autoneg complete, ", sc->my_unit); 50593746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 50693746Sjulian } else { 50793746Sjulian if (verbose) 50893746Sjulian printf("my%d: autoneg not complete, ", sc->my_unit); 50993746Sjulian } 51093746Sjulian 51193746Sjulian media = my_phy_readreg(sc, PHY_BMCR); 51293746Sjulian 51393746Sjulian /* Link is good. Report modes and set duplex mode. */ 51493746Sjulian if (my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT) { 51593746Sjulian if (verbose) 51693746Sjulian printf("my%d: link status good. ", sc->my_unit); 51793746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 51893746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 51993746Sjulian if ((sc->my_pinfo->my_vid == MarvellPHYID0) || 52093746Sjulian (sc->my_pinfo->my_vid == LevelOnePHYID0)) { 52193746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 52293746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 52393746Sjulian advert = 0; 52493746Sjulian ability = 0; 52593746Sjulian /* 52693746Sjulian * this version did not support 1000M, 52793746Sjulian * ifm->ifm_media = 52893746Sjulian * IFM_ETHER|IFM_1000_TX|IFM_FDX; 52993746Sjulian */ 53093746Sjulian ifm->ifm_media = 53193746Sjulian IFM_ETHER | IFM_100_TX | IFM_FDX; 53293746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 53393746Sjulian media |= PHY_BMCR_1000; 53493746Sjulian media |= PHY_BMCR_DUPLEX; 53593746Sjulian printf("(full-duplex, 1000Mbps)\n"); 53693746Sjulian } else if (ability2 & PHY_1000SR_1000BTXHALF) { 53793746Sjulian advert = 0; 53893746Sjulian ability = 0; 53993746Sjulian /* 54093746Sjulian * this version did not support 1000M, 54193746Sjulian * ifm->ifm_media = IFM_ETHER|IFM_1000_TX; 54293746Sjulian */ 54393746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX; 54493746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 54593746Sjulian media &= ~PHY_BMCR_DUPLEX; 54693746Sjulian media |= PHY_BMCR_1000; 54793746Sjulian printf("(half-duplex, 1000Mbps)\n"); 54893746Sjulian } 54993746Sjulian } 55093746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) { 55193746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_T4; 55293746Sjulian media |= PHY_BMCR_SPEEDSEL; 55393746Sjulian media &= ~PHY_BMCR_DUPLEX; 55493746Sjulian printf("(100baseT4)\n"); 55593746Sjulian } else if (advert & PHY_ANAR_100BTXFULL && 55693746Sjulian ability & PHY_ANAR_100BTXFULL) { 55793746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 55893746Sjulian media |= PHY_BMCR_SPEEDSEL; 55993746Sjulian media |= PHY_BMCR_DUPLEX; 56093746Sjulian printf("(full-duplex, 100Mbps)\n"); 56193746Sjulian } else if (advert & PHY_ANAR_100BTXHALF && 56293746Sjulian ability & PHY_ANAR_100BTXHALF) { 56393746Sjulian ifm->ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 56493746Sjulian media |= PHY_BMCR_SPEEDSEL; 56593746Sjulian media &= ~PHY_BMCR_DUPLEX; 56693746Sjulian printf("(half-duplex, 100Mbps)\n"); 56793746Sjulian } else if (advert & PHY_ANAR_10BTFULL && 56893746Sjulian ability & PHY_ANAR_10BTFULL) { 56993746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 57093746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 57193746Sjulian media |= PHY_BMCR_DUPLEX; 57293746Sjulian printf("(full-duplex, 10Mbps)\n"); 57393746Sjulian } else if (advert) { 57493746Sjulian ifm->ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 57593746Sjulian media &= ~PHY_BMCR_SPEEDSEL; 57693746Sjulian media &= ~PHY_BMCR_DUPLEX; 57793746Sjulian printf("(half-duplex, 10Mbps)\n"); 57893746Sjulian } 57993746Sjulian media &= ~PHY_BMCR_AUTONEGENBL; 58093746Sjulian 58193746Sjulian /* Set ASIC's duplex mode to match the PHY. */ 58293746Sjulian my_phy_writereg(sc, PHY_BMCR, media); 58393746Sjulian my_setcfg(sc, media); 58493746Sjulian } else { 58593746Sjulian if (verbose) 58693746Sjulian printf("my%d: no carrier\n", sc->my_unit); 58793746Sjulian } 58893746Sjulian 58993746Sjulian my_init(sc); 59093746Sjulian if (sc->my_tx_pend) { 59193746Sjulian sc->my_autoneg = 0; 59293746Sjulian sc->my_tx_pend = 0; 59393746Sjulian my_start(ifp); 59493746Sjulian } 59593746Sjulian MY_UNLOCK(sc); 59693746Sjulian return; 59793746Sjulian} 59893746Sjulian 59993746Sjulian/* 60093746Sjulian * To get PHY ability. 60193746Sjulian */ 60293746Sjulianstatic void 60393746Sjulianmy_getmode_mii(struct my_softc * sc) 60493746Sjulian{ 60593746Sjulian u_int16_t bmsr; 60693746Sjulian struct ifnet *ifp; 60793746Sjulian 60893746Sjulian MY_LOCK(sc); 60993746Sjulian ifp = &sc->arpcom.ac_if; 61093746Sjulian bmsr = my_phy_readreg(sc, PHY_BMSR); 61193746Sjulian if (bootverbose) 61293746Sjulian printf("my%d: PHY status word: %x\n", sc->my_unit, bmsr); 61393746Sjulian 61493746Sjulian /* fallback */ 61593746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_HDX; 61693746Sjulian 61793746Sjulian if (bmsr & PHY_BMSR_10BTHALF) { 61893746Sjulian if (bootverbose) 61993746Sjulian printf("my%d: 10Mbps half-duplex mode supported\n", 62093746Sjulian sc->my_unit); 62193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_HDX, 62293746Sjulian 0, NULL); 62393746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, NULL); 62493746Sjulian } 62593746Sjulian if (bmsr & PHY_BMSR_10BTFULL) { 62693746Sjulian if (bootverbose) 62793746Sjulian printf("my%d: 10Mbps full-duplex mode supported\n", 62893746Sjulian sc->my_unit); 62993746Sjulian 63093746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 63193746Sjulian 0, NULL); 63293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_10_T | IFM_FDX; 63393746Sjulian } 63493746Sjulian if (bmsr & PHY_BMSR_100BTXHALF) { 63593746Sjulian if (bootverbose) 63693746Sjulian printf("my%d: 100Mbps half-duplex mode supported\n", 63793746Sjulian sc->my_unit); 63893746Sjulian ifp->if_baudrate = 100000000; 63993746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX, 0, NULL); 64093746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_HDX, 64193746Sjulian 0, NULL); 64293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_HDX; 64393746Sjulian } 64493746Sjulian if (bmsr & PHY_BMSR_100BTXFULL) { 64593746Sjulian if (bootverbose) 64693746Sjulian printf("my%d: 100Mbps full-duplex mode supported\n", 64793746Sjulian sc->my_unit); 64893746Sjulian ifp->if_baudrate = 100000000; 64993746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_TX | IFM_FDX, 65093746Sjulian 0, NULL); 65193746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_TX | IFM_FDX; 65293746Sjulian } 65393746Sjulian /* Some also support 100BaseT4. */ 65493746Sjulian if (bmsr & PHY_BMSR_100BT4) { 65593746Sjulian if (bootverbose) 65693746Sjulian printf("my%d: 100baseT4 mode supported\n", sc->my_unit); 65793746Sjulian ifp->if_baudrate = 100000000; 65893746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_100_T4, 0, NULL); 65993746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_100_T4; 66093746Sjulian#ifdef FORCE_AUTONEG_TFOUR 66193746Sjulian if (bootverbose) 66293746Sjulian printf("my%d: forcing on autoneg support for BT4\n", 66393746Sjulian sc->my_unit); 66493746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0 NULL): 66593746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 66693746Sjulian#endif 66793746Sjulian } 66893746Sjulian#if 0 66993746Sjulian /* this version did not support 1000M, */ 67093746Sjulian if (sc->my_pinfo->my_vid == MarvellPHYID0) { 67193746Sjulian if (bootverbose) 67293746Sjulian printf("my%d: 1000Mbps half-duplex mode supported\n", 67393746Sjulian sc->my_unit); 67493746Sjulian 67593746Sjulian ifp->if_baudrate = 1000000000; 67693746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_TX, 0, NULL); 67793746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_TX | IFM_HDX, 67893746Sjulian 0, NULL); 67993746Sjulian if (bootverbose) 68093746Sjulian printf("my%d: 1000Mbps full-duplex mode supported\n", 68193746Sjulian sc->my_unit); 68293746Sjulian ifp->if_baudrate = 1000000000; 68393746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_1000_TX | IFM_FDX, 68493746Sjulian 0, NULL); 68593746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_1000_TX | IFM_FDX; 68693746Sjulian } 68793746Sjulian#endif 68893746Sjulian if (bmsr & PHY_BMSR_CANAUTONEG) { 68993746Sjulian if (bootverbose) 69093746Sjulian printf("my%d: autoneg supported\n", sc->my_unit); 69193746Sjulian ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 69293746Sjulian sc->ifmedia.ifm_media = IFM_ETHER | IFM_AUTO; 69393746Sjulian } 69493746Sjulian MY_UNLOCK(sc); 69593746Sjulian return; 69693746Sjulian} 69793746Sjulian 69893746Sjulian/* 69993746Sjulian * Set speed and duplex mode. 70093746Sjulian */ 70193746Sjulianstatic void 70293746Sjulianmy_setmode_mii(struct my_softc * sc, int media) 70393746Sjulian{ 70493746Sjulian u_int16_t bmcr; 70593746Sjulian struct ifnet *ifp; 70693746Sjulian 70793746Sjulian MY_LOCK(sc); 70893746Sjulian ifp = &sc->arpcom.ac_if; 70993746Sjulian /* 71093746Sjulian * If an autoneg session is in progress, stop it. 71193746Sjulian */ 71293746Sjulian if (sc->my_autoneg) { 71393746Sjulian printf("my%d: canceling autoneg session\n", sc->my_unit); 71493746Sjulian ifp->if_timer = sc->my_autoneg = sc->my_want_auto = 0; 71593746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 71693746Sjulian bmcr &= ~PHY_BMCR_AUTONEGENBL; 71793746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 71893746Sjulian } 71993746Sjulian printf("my%d: selecting MII, ", sc->my_unit); 72093746Sjulian bmcr = my_phy_readreg(sc, PHY_BMCR); 72193746Sjulian bmcr &= ~(PHY_BMCR_AUTONEGENBL | PHY_BMCR_SPEEDSEL | PHY_BMCR_1000 | 72293746Sjulian PHY_BMCR_DUPLEX | PHY_BMCR_LOOPBK); 72393746Sjulian /* 72493746Sjulian * this version did not support 1000M, 72593746Sjulian */ 72693746Sjulian#if 0 72793746Sjulian if (IFM_SUBTYPE(media) == 72893746Sjulian IFM_1000_TX) { 72993746Sjulian printf("1000Mbps/T4, half-duplex\n"); 73093746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 73193746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 73293746Sjulian bmcr |= PHY_BMCR_1000; 73393746Sjulian } 73493746Sjulian#endif 73593746Sjulian if (IFM_SUBTYPE(media) == IFM_100_T4) { 73693746Sjulian printf("100Mbps/T4, half-duplex\n"); 73793746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 73893746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 73993746Sjulian } 74093746Sjulian if (IFM_SUBTYPE(media) == IFM_100_TX) { 74193746Sjulian printf("100Mbps, "); 74293746Sjulian bmcr |= PHY_BMCR_SPEEDSEL; 74393746Sjulian } 74493746Sjulian if (IFM_SUBTYPE(media) == IFM_10_T) { 74593746Sjulian printf("10Mbps, "); 74693746Sjulian bmcr &= ~PHY_BMCR_SPEEDSEL; 74793746Sjulian } 74893746Sjulian if ((media & IFM_GMASK) == IFM_FDX) { 74993746Sjulian printf("full duplex\n"); 75093746Sjulian bmcr |= PHY_BMCR_DUPLEX; 75193746Sjulian } else { 75293746Sjulian printf("half duplex\n"); 75393746Sjulian bmcr &= ~PHY_BMCR_DUPLEX; 75493746Sjulian } 75593746Sjulian my_phy_writereg(sc, PHY_BMCR, bmcr); 75693746Sjulian my_setcfg(sc, bmcr); 75793746Sjulian MY_UNLOCK(sc); 75893746Sjulian return; 75993746Sjulian} 76093746Sjulian 76193746Sjulian/* 76293746Sjulian * The Myson manual states that in order to fiddle with the 'full-duplex' and 76393746Sjulian * '100Mbps' bits in the netconfig register, we first have to put the 76493746Sjulian * transmit and/or receive logic in the idle state. 76593746Sjulian */ 76693746Sjulianstatic void 76793746Sjulianmy_setcfg(struct my_softc * sc, int bmcr) 76893746Sjulian{ 76993746Sjulian int i, restart = 0; 77093746Sjulian 77193746Sjulian MY_LOCK(sc); 77293746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & (MY_TE | MY_RE)) { 77393746Sjulian restart = 1; 77493746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_TE | MY_RE)); 77593746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 77693746Sjulian DELAY(10); 77793746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & 77893746Sjulian (MY_TXRUN | MY_RXRUN))) 77993746Sjulian break; 78093746Sjulian } 78193746Sjulian if (i == MY_TIMEOUT) 78293746Sjulian printf("my%d: failed to force tx and rx to idle \n", 78393746Sjulian sc->my_unit); 78493746Sjulian } 78593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS1000); 78693746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PS10); 78793746Sjulian if (bmcr & PHY_BMCR_1000) 78893746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS1000); 78993746Sjulian else if (!(bmcr & PHY_BMCR_SPEEDSEL)) 79093746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PS10); 79193746Sjulian if (bmcr & PHY_BMCR_DUPLEX) 79293746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_FD); 79393746Sjulian else 79493746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_FD); 79593746Sjulian if (restart) 79693746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE | MY_RE); 79793746Sjulian MY_UNLOCK(sc); 79893746Sjulian return; 79993746Sjulian} 80093746Sjulian 80193746Sjulianstatic void 80293746Sjulianmy_reset(struct my_softc * sc) 80393746Sjulian{ 80493746Sjulian register int i; 80593746Sjulian 80693746Sjulian MY_LOCK(sc); 80793746Sjulian MY_SETBIT(sc, MY_BCR, MY_SWR); 80893746Sjulian for (i = 0; i < MY_TIMEOUT; i++) { 80993746Sjulian DELAY(10); 81093746Sjulian if (!(CSR_READ_4(sc, MY_BCR) & MY_SWR)) 81193746Sjulian break; 81293746Sjulian } 81393746Sjulian if (i == MY_TIMEOUT) 81493746Sjulian printf("m0x%d: reset never completed!\n", sc->my_unit); 81593746Sjulian 81693746Sjulian /* Wait a little while for the chip to get its brains in order. */ 81793746Sjulian DELAY(1000); 81893746Sjulian MY_UNLOCK(sc); 81993746Sjulian return; 82093746Sjulian} 82193746Sjulian 82293746Sjulian/* 82393746Sjulian * Probe for a Myson chip. Check the PCI vendor and device IDs against our 82493746Sjulian * list and return a device name if we find a match. 82593746Sjulian */ 82693746Sjulianstatic int 82793746Sjulianmy_probe(device_t dev) 82893746Sjulian{ 82993746Sjulian struct my_type *t; 83093746Sjulian 83193746Sjulian t = my_devs; 83293746Sjulian while (t->my_name != NULL) { 83393746Sjulian if ((pci_get_vendor(dev) == t->my_vid) && 83493746Sjulian (pci_get_device(dev) == t->my_did)) { 83593746Sjulian device_set_desc(dev, t->my_name); 83693746Sjulian my_info_tmp = t; 83793746Sjulian return (0); 83893746Sjulian } 83993746Sjulian t++; 84093746Sjulian } 84193746Sjulian return (ENXIO); 84293746Sjulian} 84393746Sjulian 84493746Sjulian/* 84593746Sjulian * Attach the interface. Allocate softc structures, do ifmedia setup and 84693746Sjulian * ethernet/BPF attach. 84793746Sjulian */ 84893746Sjulianstatic int 84993746Sjulianmy_attach(device_t dev) 85093746Sjulian{ 85193746Sjulian int s, i; 85293746Sjulian u_char eaddr[ETHER_ADDR_LEN]; 85393746Sjulian u_int32_t command, iobase; 85493746Sjulian struct my_softc *sc; 85593746Sjulian struct ifnet *ifp; 85693746Sjulian int media = IFM_ETHER | IFM_100_TX | IFM_FDX; 85793746Sjulian unsigned int round; 85893746Sjulian caddr_t roundptr; 85993746Sjulian struct my_type *p; 86093746Sjulian u_int16_t phy_vid, phy_did, phy_sts = 0; 86193746Sjulian int rid, unit, error = 0; 86293746Sjulian 86393746Sjulian s = splimp(); 86493746Sjulian sc = device_get_softc(dev); 86593746Sjulian unit = device_get_unit(dev); 86693746Sjulian if (sc == NULL) { 86793746Sjulian printf("my%d: no memory for softc struct!\n", unit); 86893746Sjulian error = ENXIO; 86993746Sjulian goto fail; 87093746Sjulian 87193746Sjulian } 87293746Sjulian bzero(sc, sizeof(struct my_softc)); 87393746Sjulian mtx_init(&sc->my_mtx, device_get_nameunit(dev), MTX_DEF | MTX_RECURSE); 87493746Sjulian MY_LOCK(sc); 87593746Sjulian 87693746Sjulian /* 87793746Sjulian * Map control/status registers. 87893746Sjulian */ 87993746Sjulian /* 88093746Sjulian * command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); command 88193746Sjulian * |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 88293746Sjulian * pci_write_config(dev, PCI_COMMAND_STATUS_REG, command & 88393746Sjulian * 0x000000ff, 4); command = pci_read_config(dev, 88493746Sjulian * PCI_COMMAND_STATUS_REG, 4); 88593746Sjulian */ 88693746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 88793746Sjulian command |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 88893746Sjulian pci_write_config(dev, PCIR_COMMAND, command & 0x000000ff, 4); 88993746Sjulian command = pci_read_config(dev, PCIR_COMMAND, 4); 89093746Sjulian 89193746Sjulian if (my_info_tmp->my_did == MTD800ID) { 89293746Sjulian iobase = pci_read_config(dev, MY_PCI_LOIO, 4); 89393746Sjulian if (iobase & 0x300) 89493746Sjulian MY_USEIOSPACE = 0; 89593746Sjulian } 89693746Sjulian if (MY_USEIOSPACE) { 89793746Sjulian if (!(command & PCIM_CMD_PORTEN)) { 89893746Sjulian printf("my%d: failed to enable I/O ports!\n", unit); 89993746Sjulian free(sc, M_DEVBUF); 90093746Sjulian error = ENXIO; 90193746Sjulian goto fail; 90293746Sjulian } 90393746Sjulian#if 0 90493746Sjulian if (!pci_map_port(config_id, MY_PCI_LOIO, 90593746Sjulian (u_int16_t *)&(sc->my_bhandle))) { 90693746Sjulian printf ("my%d: couldn't map ports\n", 90793746Sjulian unit); error = ENXIO; goto fail; 90893746Sjulian } 90993746Sjulian 91093746Sjulian sc->my_btag = I386_BUS_SPACE_IO; 91193746Sjulian#endif 91293746Sjulian } else { 91393746Sjulian if (!(command & PCIM_CMD_MEMEN)) { 91493746Sjulian printf("my%d: failed to enable memory mapping!\n", 91593746Sjulian unit); 91693746Sjulian error = ENXIO; 91793746Sjulian goto fail; 91893746Sjulian } 91993746Sjulian#if 0 92093746Sjulian if (!pci_map_mem(config_id, MY_PCI_LOMEM, &vbase, &pbase)) { 92193746Sjulian printf ("my%d: couldn't map memory\n", unit); 92293746Sjulian error = ENXIO; 92393746Sjulian goto fail; 92493746Sjulian } 92593746Sjulian 92693746Sjulian sc->my_btag = I386_BUS_SPACE_MEM; sc->my_bhandle = vbase; 92793746Sjulian#endif 92893746Sjulian } 92993746Sjulian 93093746Sjulian rid = MY_RID; 93193746Sjulian sc->my_res = bus_alloc_resource(dev, MY_RES, &rid, 93293746Sjulian 0, ~0, 1, RF_ACTIVE); 93393746Sjulian 93493746Sjulian if (sc->my_res == NULL) { 93593746Sjulian printf("my%d: couldn't map ports/memory\n", unit); 93693746Sjulian error = ENXIO; 93793746Sjulian goto fail; 93893746Sjulian } 93993746Sjulian sc->my_btag = rman_get_bustag(sc->my_res); 94093746Sjulian sc->my_bhandle = rman_get_bushandle(sc->my_res); 94193746Sjulian 94293746Sjulian rid = 0; 94393746Sjulian sc->my_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 94493746Sjulian RF_SHAREABLE | RF_ACTIVE); 94593746Sjulian 94693746Sjulian if (sc->my_irq == NULL) { 94793746Sjulian printf("my%d: couldn't map interrupt\n", unit); 94893746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 94993746Sjulian error = ENXIO; 95093746Sjulian goto fail; 95193746Sjulian } 95293746Sjulian error = bus_setup_intr(dev, sc->my_irq, INTR_TYPE_NET, 95393746Sjulian my_intr, sc, &sc->my_intrhand); 95493746Sjulian 95593746Sjulian if (error) { 95693746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 95793746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 95893746Sjulian printf("my%d: couldn't set up irq\n", unit); 95993746Sjulian goto fail; 96093746Sjulian } 96193746Sjulian callout_handle_init(&sc->my_stat_ch); 96293746Sjulian 96393746Sjulian sc->my_info = my_info_tmp; 96493746Sjulian 96593746Sjulian /* Reset the adapter. */ 96693746Sjulian my_reset(sc); 96793746Sjulian 96893746Sjulian /* 96993746Sjulian * Get station address 97093746Sjulian */ 97193746Sjulian for (i = 0; i < ETHER_ADDR_LEN; ++i) 97293746Sjulian eaddr[i] = CSR_READ_1(sc, MY_PAR0 + i); 97393746Sjulian 97493746Sjulian /* 97593746Sjulian * A Myson chip was detected. Inform the world. 97693746Sjulian */ 97793746Sjulian printf("my%d: Ethernet address: %6D\n", unit, eaddr, ":"); 97893746Sjulian 97993746Sjulian sc->my_unit = unit; 98093746Sjulian bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 98193746Sjulian 98293746Sjulian sc->my_ldata_ptr = malloc(sizeof(struct my_list_data) + 8, 98393746Sjulian M_DEVBUF, M_NOWAIT); 98493746Sjulian if (sc->my_ldata_ptr == NULL) { 98593746Sjulian free(sc, M_DEVBUF); 98693746Sjulian printf("my%d: no memory for list buffers!\n", unit); 98793746Sjulian error = ENXIO; 98893746Sjulian goto fail; 98993746Sjulian } 99093746Sjulian sc->my_ldata = (struct my_list_data *) sc->my_ldata_ptr; 99193746Sjulian round = (unsigned int)sc->my_ldata_ptr & 0xF; 99293746Sjulian roundptr = sc->my_ldata_ptr; 99393746Sjulian for (i = 0; i < 8; i++) { 99493746Sjulian if (round % 8) { 99593746Sjulian round++; 99693746Sjulian roundptr++; 99793746Sjulian } else 99893746Sjulian break; 99993746Sjulian } 100093746Sjulian sc->my_ldata = (struct my_list_data *) roundptr; 100193746Sjulian bzero(sc->my_ldata, sizeof(struct my_list_data)); 100293746Sjulian 100393746Sjulian ifp = &sc->arpcom.ac_if; 100493746Sjulian ifp->if_softc = sc; 100593746Sjulian ifp->if_unit = unit; 100693746Sjulian ifp->if_name = "my"; 100793746Sjulian ifp->if_mtu = ETHERMTU; 100893746Sjulian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 100993746Sjulian ifp->if_ioctl = my_ioctl; 101093746Sjulian ifp->if_output = ether_output; 101193746Sjulian ifp->if_start = my_start; 101293746Sjulian ifp->if_watchdog = my_watchdog; 101393746Sjulian ifp->if_init = my_init; 101493746Sjulian ifp->if_baudrate = 10000000; 101593746Sjulian ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 101693746Sjulian 101793746Sjulian if (sc->my_info->my_did == MTD803ID) 101893746Sjulian sc->my_pinfo = my_phys; 101993746Sjulian else { 102093746Sjulian if (bootverbose) 102193746Sjulian printf("my%d: probing for a PHY\n", sc->my_unit); 102293746Sjulian for (i = MY_PHYADDR_MIN; i < MY_PHYADDR_MAX + 1; i++) { 102393746Sjulian if (bootverbose) 102493746Sjulian printf("my%d: checking address: %d\n", 102593746Sjulian sc->my_unit, i); 102693746Sjulian sc->my_phy_addr = i; 102793746Sjulian phy_sts = my_phy_readreg(sc, PHY_BMSR); 102893746Sjulian if ((phy_sts != 0) && (phy_sts != 0xffff)) 102993746Sjulian break; 103093746Sjulian else 103193746Sjulian phy_sts = 0; 103293746Sjulian } 103393746Sjulian if (phy_sts) { 103493746Sjulian phy_vid = my_phy_readreg(sc, PHY_VENID); 103593746Sjulian phy_did = my_phy_readreg(sc, PHY_DEVID); 103693746Sjulian if (bootverbose) { 103793746Sjulian printf("my%d: found PHY at address %d, ", 103893746Sjulian sc->my_unit, sc->my_phy_addr); 103993746Sjulian printf("vendor id: %x device id: %x\n", 104093746Sjulian phy_vid, phy_did); 104193746Sjulian } 104293746Sjulian p = my_phys; 104393746Sjulian while (p->my_vid) { 104493746Sjulian if (phy_vid == p->my_vid) { 104593746Sjulian sc->my_pinfo = p; 104693746Sjulian break; 104793746Sjulian } 104893746Sjulian p++; 104993746Sjulian } 105093746Sjulian if (sc->my_pinfo == NULL) 105193746Sjulian sc->my_pinfo = &my_phys[PHY_UNKNOWN]; 105293746Sjulian if (bootverbose) 105393746Sjulian printf("my%d: PHY type: %s\n", 105493746Sjulian sc->my_unit, sc->my_pinfo->my_name); 105593746Sjulian } else { 105693746Sjulian printf("my%d: MII without any phy!\n", sc->my_unit); 105793746Sjulian error = ENXIO; 105893746Sjulian goto fail; 105993746Sjulian } 106093746Sjulian } 106193746Sjulian 106293746Sjulian /* Do ifmedia setup. */ 106393746Sjulian ifmedia_init(&sc->ifmedia, 0, my_ifmedia_upd, my_ifmedia_sts); 106493746Sjulian my_getmode_mii(sc); 106593746Sjulian my_autoneg_mii(sc, MY_FLAG_FORCEDELAY, 1); 106693746Sjulian media = sc->ifmedia.ifm_media; 106793746Sjulian my_stop(sc); 106893746Sjulian ifmedia_set(&sc->ifmedia, media); 106993746Sjulian 107093746Sjulian ether_ifattach(ifp, ETHER_BPF_SUPPORTED); 107193746Sjulian 107293746Sjulian#if 0 107393746Sjulian at_shutdown(my_shutdown, sc, SHUTDOWN_POST_SYNC); 107493746Sjulian shutdownhook_establish(my_shutdown, sc); 107593746Sjulian#endif 107693746Sjulian 107793746Sjulian MY_UNLOCK(sc); 107893746Sjulian return (0); 107993746Sjulian 108093746Sjulianfail: 108193746Sjulian MY_UNLOCK(sc); 108293746Sjulian mtx_destroy(&sc->my_mtx); 108393746Sjulian splx(s); 108493746Sjulian return (error); 108593746Sjulian} 108693746Sjulian 108793746Sjulianstatic int 108893746Sjulianmy_detach(device_t dev) 108993746Sjulian{ 109093746Sjulian struct my_softc *sc; 109193746Sjulian struct ifnet *ifp; 109293746Sjulian int s; 109393746Sjulian 109493746Sjulian s = splimp(); 109593746Sjulian sc = device_get_softc(dev); 109693746Sjulian MY_LOCK(sc); 109793746Sjulian ifp = &sc->arpcom.ac_if; 109893746Sjulian ether_ifdetach(ifp, ETHER_BPF_SUPPORTED); 109993746Sjulian my_stop(sc); 110093746Sjulian 110193746Sjulian /* 110293746Sjulian * bus_generic_detach(dev); device_delete_child(dev, sc->rl_miibus); 110393746Sjulian */ 110493746Sjulian bus_teardown_intr(dev, sc->my_irq, sc->my_intrhand); 110593746Sjulian bus_release_resource(dev, SYS_RES_IRQ, 0, sc->my_irq); 110693746Sjulian bus_release_resource(dev, MY_RES, MY_RID, sc->my_res); 110793746Sjulian /* 110893746Sjulian * contigfree(sc->my_cdata.my_rx_buf, MY_RXBUFLEN + 32, M_DEVBUF); 110993746Sjulian */ 111093746Sjulian free(sc, M_DEVBUF); 111193746Sjulian MY_UNLOCK(sc); 111293746Sjulian splx(s); 111393746Sjulian mtx_destroy(&sc->my_mtx); 111493746Sjulian return (0); 111593746Sjulian} 111693746Sjulian 111793746Sjulian 111893746Sjulian/* 111993746Sjulian * Initialize the transmit descriptors. 112093746Sjulian */ 112193746Sjulianstatic int 112293746Sjulianmy_list_tx_init(struct my_softc * sc) 112393746Sjulian{ 112493746Sjulian struct my_chain_data *cd; 112593746Sjulian struct my_list_data *ld; 112693746Sjulian int i; 112793746Sjulian 112893746Sjulian MY_LOCK(sc); 112993746Sjulian cd = &sc->my_cdata; 113093746Sjulian ld = sc->my_ldata; 113193746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 113293746Sjulian cd->my_tx_chain[i].my_ptr = &ld->my_tx_list[i]; 113393746Sjulian if (i == (MY_TX_LIST_CNT - 1)) 113493746Sjulian cd->my_tx_chain[i].my_nextdesc = &cd->my_tx_chain[0]; 113593746Sjulian else 113693746Sjulian cd->my_tx_chain[i].my_nextdesc = 113793746Sjulian &cd->my_tx_chain[i + 1]; 113893746Sjulian } 113993746Sjulian cd->my_tx_free = &cd->my_tx_chain[0]; 114093746Sjulian cd->my_tx_tail = cd->my_tx_head = NULL; 114193746Sjulian MY_UNLOCK(sc); 114293746Sjulian return (0); 114393746Sjulian} 114493746Sjulian 114593746Sjulian/* 114693746Sjulian * Initialize the RX descriptors and allocate mbufs for them. Note that we 114793746Sjulian * arrange the descriptors in a closed ring, so that the last descriptor 114893746Sjulian * points back to the first. 114993746Sjulian */ 115093746Sjulianstatic int 115193746Sjulianmy_list_rx_init(struct my_softc * sc) 115293746Sjulian{ 115393746Sjulian struct my_chain_data *cd; 115493746Sjulian struct my_list_data *ld; 115593746Sjulian int i; 115693746Sjulian 115793746Sjulian MY_LOCK(sc); 115893746Sjulian cd = &sc->my_cdata; 115993746Sjulian ld = sc->my_ldata; 116093746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 116193746Sjulian cd->my_rx_chain[i].my_ptr = 116293746Sjulian (struct my_desc *) & ld->my_rx_list[i]; 116393746Sjulian if (my_newbuf(sc, &cd->my_rx_chain[i]) == ENOBUFS) 116493746Sjulian return (ENOBUFS); 116593746Sjulian if (i == (MY_RX_LIST_CNT - 1)) { 116693746Sjulian cd->my_rx_chain[i].my_nextdesc = &cd->my_rx_chain[0]; 116793746Sjulian ld->my_rx_list[i].my_next = vtophys(&ld->my_rx_list[0]); 116893746Sjulian } else { 116993746Sjulian cd->my_rx_chain[i].my_nextdesc = 117093746Sjulian &cd->my_rx_chain[i + 1]; 117193746Sjulian ld->my_rx_list[i].my_next = 117293746Sjulian vtophys(&ld->my_rx_list[i + 1]); 117393746Sjulian } 117493746Sjulian } 117593746Sjulian cd->my_rx_head = &cd->my_rx_chain[0]; 117693746Sjulian MY_UNLOCK(sc); 117793746Sjulian return (0); 117893746Sjulian} 117993746Sjulian 118093746Sjulian/* 118193746Sjulian * Initialize an RX descriptor and attach an MBUF cluster. 118293746Sjulian */ 118393746Sjulianstatic int 118493746Sjulianmy_newbuf(struct my_softc * sc, struct my_chain_onefrag * c) 118593746Sjulian{ 118693746Sjulian struct mbuf *m_new = NULL; 118793746Sjulian 118893746Sjulian MY_LOCK(sc); 118993746Sjulian MGETHDR(m_new, M_DONTWAIT, MT_DATA); 119093746Sjulian if (m_new == NULL) { 119193746Sjulian printf("my%d: no memory for rx list -- packet dropped!\n", 119293746Sjulian sc->my_unit); 119393746Sjulian return (ENOBUFS); 119493746Sjulian } 119593746Sjulian MCLGET(m_new, M_DONTWAIT); 119693746Sjulian if (!(m_new->m_flags & M_EXT)) { 119793746Sjulian printf("my%d: no memory for rx list -- packet dropped!\n", 119893746Sjulian sc->my_unit); 119993746Sjulian m_freem(m_new); 120093746Sjulian return (ENOBUFS); 120193746Sjulian } 120293746Sjulian c->my_mbuf = m_new; 120393746Sjulian c->my_ptr->my_data = vtophys(mtod(m_new, caddr_t)); 120493746Sjulian c->my_ptr->my_ctl = (MCLBYTES - 1) << MY_RBSShift; 120593746Sjulian c->my_ptr->my_status = MY_OWNByNIC; 120693746Sjulian MY_UNLOCK(sc); 120793746Sjulian return (0); 120893746Sjulian} 120993746Sjulian 121093746Sjulian/* 121193746Sjulian * A frame has been uploaded: pass the resulting mbuf chain up to the higher 121293746Sjulian * level protocols. 121393746Sjulian */ 121493746Sjulianstatic void 121593746Sjulianmy_rxeof(struct my_softc * sc) 121693746Sjulian{ 121793746Sjulian struct ether_header *eh; 121893746Sjulian struct mbuf *m; 121993746Sjulian struct ifnet *ifp; 122093746Sjulian struct my_chain_onefrag *cur_rx; 122193746Sjulian int total_len = 0; 122293746Sjulian u_int32_t rxstat; 122393746Sjulian 122493746Sjulian MY_LOCK(sc); 122593746Sjulian ifp = &sc->arpcom.ac_if; 122693746Sjulian while (!((rxstat = sc->my_cdata.my_rx_head->my_ptr->my_status) 122793746Sjulian & MY_OWNByNIC)) { 122893746Sjulian cur_rx = sc->my_cdata.my_rx_head; 122993746Sjulian sc->my_cdata.my_rx_head = cur_rx->my_nextdesc; 123093746Sjulian 123193746Sjulian if (rxstat & MY_ES) { /* error summary: give up this rx pkt */ 123293746Sjulian ifp->if_ierrors++; 123393746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 123493746Sjulian continue; 123593746Sjulian } 123693746Sjulian /* No errors; receive the packet. */ 123793746Sjulian total_len = (rxstat & MY_FLNGMASK) >> MY_FLNGShift; 123893746Sjulian total_len -= ETHER_CRC_LEN; 123993746Sjulian 124093746Sjulian if (total_len < MINCLSIZE) { 124193746Sjulian m = m_devget(mtod(cur_rx->my_mbuf, char *), 124293746Sjulian total_len, 0, ifp, NULL); 124393746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 124493746Sjulian if (m == NULL) { 124593746Sjulian ifp->if_ierrors++; 124693746Sjulian continue; 124793746Sjulian } 124893746Sjulian } else { 124993746Sjulian m = cur_rx->my_mbuf; 125093746Sjulian /* 125193746Sjulian * Try to conjure up a new mbuf cluster. If that 125293746Sjulian * fails, it means we have an out of memory condition 125393746Sjulian * and should leave the buffer in place and continue. 125493746Sjulian * This will result in a lost packet, but there's 125593746Sjulian * little else we can do in this situation. 125693746Sjulian */ 125793746Sjulian if (my_newbuf(sc, cur_rx) == ENOBUFS) { 125893746Sjulian ifp->if_ierrors++; 125993746Sjulian cur_rx->my_ptr->my_status = MY_OWNByNIC; 126093746Sjulian continue; 126193746Sjulian } 126293746Sjulian m->m_pkthdr.rcvif = ifp; 126393746Sjulian m->m_pkthdr.len = m->m_len = total_len; 126493746Sjulian } 126593746Sjulian ifp->if_ipackets++; 126693746Sjulian eh = mtod(m, struct ether_header *); 126793746Sjulian#if NBPFILTER > 0 126893746Sjulian /* 126993746Sjulian * Handle BPF listeners. Let the BPF user see the packet, but 127093746Sjulian * don't pass it up to the ether_input() layer unless it's a 127193746Sjulian * broadcast packet, multicast packet, matches our ethernet 127293746Sjulian * address or the interface is in promiscuous mode. 127393746Sjulian */ 127493746Sjulian if (ifp->if_bpf) { 127593746Sjulian bpf_mtap(ifp, m); 127693746Sjulian if (ifp->if_flags & IFF_PROMISC && 127793746Sjulian (bcmp(eh->ether_dhost, sc->arpcom.ac_enaddr, 127893746Sjulian ETHER_ADDR_LEN) && 127993746Sjulian (eh->ether_dhost[0] & 1) == 0)) { 128093746Sjulian m_freem(m); 128193746Sjulian continue; 128293746Sjulian } 128393746Sjulian } 128493746Sjulian#endif 128593746Sjulian /* Remove header from mbuf and pass it on. */ 128693746Sjulian m_adj(m, sizeof(struct ether_header)); 128793746Sjulian ether_input(ifp, eh, m); 128893746Sjulian } 128993746Sjulian MY_UNLOCK(sc); 129093746Sjulian return; 129193746Sjulian} 129293746Sjulian 129393746Sjulian 129493746Sjulian/* 129593746Sjulian * A frame was downloaded to the chip. It's safe for us to clean up the list 129693746Sjulian * buffers. 129793746Sjulian */ 129893746Sjulianstatic void 129993746Sjulianmy_txeof(struct my_softc * sc) 130093746Sjulian{ 130193746Sjulian struct my_chain *cur_tx; 130293746Sjulian struct ifnet *ifp; 130393746Sjulian 130493746Sjulian MY_LOCK(sc); 130593746Sjulian ifp = &sc->arpcom.ac_if; 130693746Sjulian /* Clear the timeout timer. */ 130793746Sjulian ifp->if_timer = 0; 130893746Sjulian if (sc->my_cdata.my_tx_head == NULL) 130993746Sjulian return; 131093746Sjulian /* 131193746Sjulian * Go through our tx list and free mbufs for those frames that have 131293746Sjulian * been transmitted. 131393746Sjulian */ 131493746Sjulian while (sc->my_cdata.my_tx_head->my_mbuf != NULL) { 131593746Sjulian u_int32_t txstat; 131693746Sjulian 131793746Sjulian cur_tx = sc->my_cdata.my_tx_head; 131893746Sjulian txstat = MY_TXSTATUS(cur_tx); 131993746Sjulian if ((txstat & MY_OWNByNIC) || txstat == MY_UNSENT) 132093746Sjulian break; 132193746Sjulian if (!(CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced)) { 132293746Sjulian if (txstat & MY_TXERR) { 132393746Sjulian ifp->if_oerrors++; 132493746Sjulian if (txstat & MY_EC) /* excessive collision */ 132593746Sjulian ifp->if_collisions++; 132693746Sjulian if (txstat & MY_LC) /* late collision */ 132793746Sjulian ifp->if_collisions++; 132893746Sjulian } 132993746Sjulian ifp->if_collisions += (txstat & MY_NCRMASK) >> 133093746Sjulian MY_NCRShift; 133193746Sjulian } 133293746Sjulian ifp->if_opackets++; 133393746Sjulian m_freem(cur_tx->my_mbuf); 133493746Sjulian cur_tx->my_mbuf = NULL; 133593746Sjulian if (sc->my_cdata.my_tx_head == sc->my_cdata.my_tx_tail) { 133693746Sjulian sc->my_cdata.my_tx_head = NULL; 133793746Sjulian sc->my_cdata.my_tx_tail = NULL; 133893746Sjulian break; 133993746Sjulian } 134093746Sjulian sc->my_cdata.my_tx_head = cur_tx->my_nextdesc; 134193746Sjulian } 134293746Sjulian if (CSR_READ_4(sc, MY_TCRRCR) & MY_Enhanced) { 134393746Sjulian ifp->if_collisions += (CSR_READ_4(sc, MY_TSR) & MY_NCRMask); 134493746Sjulian } 134593746Sjulian MY_UNLOCK(sc); 134693746Sjulian return; 134793746Sjulian} 134893746Sjulian 134993746Sjulian/* 135093746Sjulian * TX 'end of channel' interrupt handler. 135193746Sjulian */ 135293746Sjulianstatic void 135393746Sjulianmy_txeoc(struct my_softc * sc) 135493746Sjulian{ 135593746Sjulian struct ifnet *ifp; 135693746Sjulian 135793746Sjulian MY_LOCK(sc); 135893746Sjulian ifp = &sc->arpcom.ac_if; 135993746Sjulian ifp->if_timer = 0; 136093746Sjulian if (sc->my_cdata.my_tx_head == NULL) { 136193746Sjulian ifp->if_flags &= ~IFF_OACTIVE; 136293746Sjulian sc->my_cdata.my_tx_tail = NULL; 136393746Sjulian if (sc->my_want_auto) 136493746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 136593746Sjulian } else { 136693746Sjulian if (MY_TXOWN(sc->my_cdata.my_tx_head) == MY_UNSENT) { 136793746Sjulian MY_TXOWN(sc->my_cdata.my_tx_head) = MY_OWNByNIC; 136893746Sjulian ifp->if_timer = 5; 136993746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); 137093746Sjulian } 137193746Sjulian } 137293746Sjulian MY_UNLOCK(sc); 137393746Sjulian return; 137493746Sjulian} 137593746Sjulian 137693746Sjulianstatic void 137793746Sjulianmy_intr(void *arg) 137893746Sjulian{ 137993746Sjulian struct my_softc *sc; 138093746Sjulian struct ifnet *ifp; 138193746Sjulian u_int32_t status; 138293746Sjulian 138393746Sjulian sc = arg; 138493746Sjulian MY_LOCK(sc); 138593746Sjulian ifp = &sc->arpcom.ac_if; 138693746Sjulian if (!(ifp->if_flags & IFF_UP)) { 138793746Sjulian MY_UNLOCK(sc); 138893746Sjulian return; 138993746Sjulian } 139093746Sjulian /* Disable interrupts. */ 139193746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 139293746Sjulian 139393746Sjulian for (;;) { 139493746Sjulian status = CSR_READ_4(sc, MY_ISR); 139593746Sjulian status &= MY_INTRS; 139693746Sjulian if (status) 139793746Sjulian CSR_WRITE_4(sc, MY_ISR, status); 139893746Sjulian else 139993746Sjulian break; 140093746Sjulian 140193746Sjulian if (status & MY_RI) /* receive interrupt */ 140293746Sjulian my_rxeof(sc); 140393746Sjulian 140493746Sjulian if ((status & MY_RBU) || (status & MY_RxErr)) { 140593746Sjulian /* rx buffer unavailable or rx error */ 140693746Sjulian ifp->if_ierrors++; 140793746Sjulian#ifdef foo 140893746Sjulian my_stop(sc); 140993746Sjulian my_reset(sc); 141093746Sjulian my_init(sc); 141193746Sjulian#endif 141293746Sjulian } 141393746Sjulian if (status & MY_TI) /* tx interrupt */ 141493746Sjulian my_txeof(sc); 141593746Sjulian if (status & MY_ETI) /* tx early interrupt */ 141693746Sjulian my_txeof(sc); 141793746Sjulian if (status & MY_TBU) /* tx buffer unavailable */ 141893746Sjulian my_txeoc(sc); 141993746Sjulian /* 142093746Sjulian * 90/1/18 delete if (status & MY_FBE) { my_reset(sc); 142193746Sjulian * my_init(sc); } 142293746Sjulian */ 142393746Sjulian } 142493746Sjulian 142593746Sjulian /* Re-enable interrupts. */ 142693746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 142793746Sjulian if (ifp->if_snd.ifq_head != NULL) 142893746Sjulian my_start(ifp); 142993746Sjulian MY_UNLOCK(sc); 143093746Sjulian return; 143193746Sjulian} 143293746Sjulian 143393746Sjulian/* 143493746Sjulian * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data 143593746Sjulian * pointers to the fragment pointers. 143693746Sjulian */ 143793746Sjulianstatic int 143893746Sjulianmy_encap(struct my_softc * sc, struct my_chain * c, struct mbuf * m_head) 143993746Sjulian{ 144093746Sjulian struct my_desc *f = NULL; 144193746Sjulian int total_len; 144293746Sjulian struct mbuf *m, *m_new = NULL; 144393746Sjulian 144493746Sjulian MY_LOCK(sc); 144593746Sjulian /* calculate the total tx pkt length */ 144693746Sjulian total_len = 0; 144793746Sjulian for (m = m_head; m != NULL; m = m->m_next) 144893746Sjulian total_len += m->m_len; 144993746Sjulian /* 145093746Sjulian * Start packing the mbufs in this chain into the fragment pointers. 145193746Sjulian * Stop when we run out of fragments or hit the end of the mbuf 145293746Sjulian * chain. 145393746Sjulian */ 145493746Sjulian m = m_head; 145593746Sjulian MGETHDR(m_new, M_DONTWAIT, MT_DATA); 145693746Sjulian if (m_new == NULL) { 145793746Sjulian printf("my%d: no memory for tx list", sc->my_unit); 145893746Sjulian return (1); 145993746Sjulian } 146093746Sjulian if (m_head->m_pkthdr.len > MHLEN) { 146193746Sjulian MCLGET(m_new, M_DONTWAIT); 146293746Sjulian if (!(m_new->m_flags & M_EXT)) { 146393746Sjulian m_freem(m_new); 146493746Sjulian printf("my%d: no memory for tx list", sc->my_unit); 146593746Sjulian return (1); 146693746Sjulian } 146793746Sjulian } 146893746Sjulian m_copydata(m_head, 0, m_head->m_pkthdr.len, mtod(m_new, caddr_t)); 146993746Sjulian m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len; 147093746Sjulian m_freem(m_head); 147193746Sjulian m_head = m_new; 147293746Sjulian f = &c->my_ptr->my_frag[0]; 147393746Sjulian f->my_status = 0; 147493746Sjulian f->my_data = vtophys(mtod(m_new, caddr_t)); 147593746Sjulian total_len = m_new->m_len; 147693746Sjulian f->my_ctl = MY_TXFD | MY_TXLD | MY_CRCEnable | MY_PADEnable; 147793746Sjulian f->my_ctl |= total_len << MY_PKTShift; /* pkt size */ 147893746Sjulian f->my_ctl |= total_len; /* buffer size */ 147993746Sjulian /* 89/12/29 add, for mtd891 */ 148093746Sjulian if (sc->my_info->my_did == MTD891ID) 148193746Sjulian f->my_ctl |= MY_ETIControl | MY_RetryTxLC; 148293746Sjulian c->my_mbuf = m_head; 148393746Sjulian c->my_lastdesc = 0; 148493746Sjulian MY_TXNEXT(c) = vtophys(&c->my_nextdesc->my_ptr->my_frag[0]); 148593746Sjulian MY_UNLOCK(sc); 148693746Sjulian return (0); 148793746Sjulian} 148893746Sjulian 148993746Sjulian/* 149093746Sjulian * Main transmit routine. To avoid having to do mbuf copies, we put pointers 149193746Sjulian * to the mbuf data regions directly in the transmit lists. We also save a 149293746Sjulian * copy of the pointers since the transmit list fragment pointers are 149393746Sjulian * physical addresses. 149493746Sjulian */ 149593746Sjulianstatic void 149693746Sjulianmy_start(struct ifnet * ifp) 149793746Sjulian{ 149893746Sjulian struct my_softc *sc; 149993746Sjulian struct mbuf *m_head = NULL; 150093746Sjulian struct my_chain *cur_tx = NULL, *start_tx; 150193746Sjulian 150293746Sjulian sc = ifp->if_softc; 150393746Sjulian MY_LOCK(sc); 150493746Sjulian if (sc->my_autoneg) { 150593746Sjulian sc->my_tx_pend = 1; 150693746Sjulian MY_UNLOCK(sc); 150793746Sjulian return; 150893746Sjulian } 150993746Sjulian /* 151093746Sjulian * Check for an available queue slot. If there are none, punt. 151193746Sjulian */ 151293746Sjulian if (sc->my_cdata.my_tx_free->my_mbuf != NULL) { 151393746Sjulian ifp->if_flags |= IFF_OACTIVE; 151493746Sjulian MY_UNLOCK(sc); 151593746Sjulian return; 151693746Sjulian } 151793746Sjulian start_tx = sc->my_cdata.my_tx_free; 151893746Sjulian while (sc->my_cdata.my_tx_free->my_mbuf == NULL) { 151993746Sjulian IF_DEQUEUE(&ifp->if_snd, m_head); 152093746Sjulian if (m_head == NULL) 152193746Sjulian break; 152293746Sjulian 152393746Sjulian /* Pick a descriptor off the free list. */ 152493746Sjulian cur_tx = sc->my_cdata.my_tx_free; 152593746Sjulian sc->my_cdata.my_tx_free = cur_tx->my_nextdesc; 152693746Sjulian 152793746Sjulian /* Pack the data into the descriptor. */ 152893746Sjulian my_encap(sc, cur_tx, m_head); 152993746Sjulian 153093746Sjulian if (cur_tx != start_tx) 153193746Sjulian MY_TXOWN(cur_tx) = MY_OWNByNIC; 153293746Sjulian#if NBPFILTER > 0 153393746Sjulian /* 153493746Sjulian * If there's a BPF listener, bounce a copy of this frame to 153593746Sjulian * him. 153693746Sjulian */ 153793746Sjulian if (ifp->if_bpf) 153893746Sjulian bpf_mtap(ifp, cur_tx->my_mbuf); 153993746Sjulian#endif 154093746Sjulian } 154193746Sjulian /* 154293746Sjulian * If there are no packets queued, bail. 154393746Sjulian */ 154493746Sjulian if (cur_tx == NULL) { 154593746Sjulian MY_UNLOCK(sc); 154693746Sjulian return; 154793746Sjulian } 154893746Sjulian /* 154993746Sjulian * Place the request for the upload interrupt in the last descriptor 155093746Sjulian * in the chain. This way, if we're chaining several packets at once, 155193746Sjulian * we'll only get an interupt once for the whole chain rather than 155293746Sjulian * once for each packet. 155393746Sjulian */ 155493746Sjulian MY_TXCTL(cur_tx) |= MY_TXIC; 155593746Sjulian cur_tx->my_ptr->my_frag[0].my_ctl |= MY_TXIC; 155693746Sjulian sc->my_cdata.my_tx_tail = cur_tx; 155793746Sjulian if (sc->my_cdata.my_tx_head == NULL) 155893746Sjulian sc->my_cdata.my_tx_head = start_tx; 155993746Sjulian MY_TXOWN(start_tx) = MY_OWNByNIC; 156093746Sjulian CSR_WRITE_4(sc, MY_TXPDR, 0xFFFFFFFF); /* tx polling demand */ 156193746Sjulian 156293746Sjulian /* 156393746Sjulian * Set a timeout in case the chip goes out to lunch. 156493746Sjulian */ 156593746Sjulian ifp->if_timer = 5; 156693746Sjulian MY_UNLOCK(sc); 156793746Sjulian return; 156893746Sjulian} 156993746Sjulian 157093746Sjulianstatic void 157193746Sjulianmy_init(void *xsc) 157293746Sjulian{ 157393746Sjulian struct my_softc *sc = xsc; 157493746Sjulian struct ifnet *ifp = &sc->arpcom.ac_if; 157593746Sjulian int s; 157693746Sjulian u_int16_t phy_bmcr = 0; 157793746Sjulian 157893746Sjulian MY_LOCK(sc); 157993746Sjulian if (sc->my_autoneg) { 158093746Sjulian MY_UNLOCK(sc); 158193746Sjulian return; 158293746Sjulian } 158393746Sjulian s = splimp(); 158493746Sjulian if (sc->my_pinfo != NULL) 158593746Sjulian phy_bmcr = my_phy_readreg(sc, PHY_BMCR); 158693746Sjulian /* 158793746Sjulian * Cancel pending I/O and free all RX/TX buffers. 158893746Sjulian */ 158993746Sjulian my_stop(sc); 159093746Sjulian my_reset(sc); 159193746Sjulian 159293746Sjulian /* 159393746Sjulian * Set cache alignment and burst length. 159493746Sjulian */ 159593746Sjulian /* 159693746Sjulian * 89/9/1 modify, CSR_WRITE_4(sc, MY_BCR, MY_RPBLE512); 159793746Sjulian * CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF); 159893746Sjulian */ 159993746Sjulian CSR_WRITE_4(sc, MY_BCR, MY_PBL8); 160093746Sjulian CSR_WRITE_4(sc, MY_TCRRCR, MY_TFTSF | MY_RBLEN | MY_RPBLE512); 160193746Sjulian /* 160293746Sjulian * 89/12/29 add, for mtd891, 160393746Sjulian */ 160493746Sjulian if (sc->my_info->my_did == MTD891ID) { 160593746Sjulian MY_SETBIT(sc, MY_BCR, MY_PROG); 160693746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_Enhanced); 160793746Sjulian } 160893746Sjulian my_setcfg(sc, phy_bmcr); 160993746Sjulian /* Init circular RX list. */ 161093746Sjulian if (my_list_rx_init(sc) == ENOBUFS) { 161193746Sjulian printf("my%d: init failed: no memory for rx buffers\n", 161293746Sjulian sc->my_unit); 161393746Sjulian my_stop(sc); 161493746Sjulian (void)splx(s); 161593746Sjulian MY_UNLOCK(sc); 161693746Sjulian return; 161793746Sjulian } 161893746Sjulian /* Init TX descriptors. */ 161993746Sjulian my_list_tx_init(sc); 162093746Sjulian 162193746Sjulian /* If we want promiscuous mode, set the allframes bit. */ 162293746Sjulian if (ifp->if_flags & IFF_PROMISC) 162393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_PROM); 162493746Sjulian else 162593746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_PROM); 162693746Sjulian 162793746Sjulian /* 162893746Sjulian * Set capture broadcast bit to capture broadcast frames. 162993746Sjulian */ 163093746Sjulian if (ifp->if_flags & IFF_BROADCAST) 163193746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_AB); 163293746Sjulian else 163393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_AB); 163493746Sjulian 163593746Sjulian /* 163693746Sjulian * Program the multicast filter, if necessary. 163793746Sjulian */ 163893746Sjulian my_setmulti(sc); 163993746Sjulian 164093746Sjulian /* 164193746Sjulian * Load the address of the RX list. 164293746Sjulian */ 164393746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_RE); 164493746Sjulian CSR_WRITE_4(sc, MY_RXLBA, vtophys(&sc->my_ldata->my_rx_list[0])); 164593746Sjulian 164693746Sjulian /* 164793746Sjulian * Enable interrupts. 164893746Sjulian */ 164993746Sjulian CSR_WRITE_4(sc, MY_IMR, MY_INTRS); 165093746Sjulian CSR_WRITE_4(sc, MY_ISR, 0xFFFFFFFF); 165193746Sjulian 165293746Sjulian /* Enable receiver and transmitter. */ 165393746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_RE); 165493746Sjulian MY_CLRBIT(sc, MY_TCRRCR, MY_TE); 165593746Sjulian CSR_WRITE_4(sc, MY_TXLBA, vtophys(&sc->my_ldata->my_tx_list[0])); 165693746Sjulian MY_SETBIT(sc, MY_TCRRCR, MY_TE); 165793746Sjulian 165893746Sjulian /* Restore state of BMCR */ 165993746Sjulian if (sc->my_pinfo != NULL) 166093746Sjulian my_phy_writereg(sc, PHY_BMCR, phy_bmcr); 166193746Sjulian ifp->if_flags |= IFF_RUNNING; 166293746Sjulian ifp->if_flags &= ~IFF_OACTIVE; 166393746Sjulian (void)splx(s); 166493746Sjulian MY_UNLOCK(sc); 166593746Sjulian return; 166693746Sjulian} 166793746Sjulian 166893746Sjulian/* 166993746Sjulian * Set media options. 167093746Sjulian */ 167193746Sjulian 167293746Sjulianstatic int 167393746Sjulianmy_ifmedia_upd(struct ifnet * ifp) 167493746Sjulian{ 167593746Sjulian struct my_softc *sc; 167693746Sjulian struct ifmedia *ifm; 167793746Sjulian 167893746Sjulian sc = ifp->if_softc; 167993746Sjulian MY_LOCK(sc); 168093746Sjulian ifm = &sc->ifmedia; 168193746Sjulian if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) { 168293746Sjulian MY_UNLOCK(sc); 168393746Sjulian return (EINVAL); 168493746Sjulian } 168593746Sjulian if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) 168693746Sjulian my_autoneg_mii(sc, MY_FLAG_SCHEDDELAY, 1); 168793746Sjulian else 168893746Sjulian my_setmode_mii(sc, ifm->ifm_media); 168993746Sjulian MY_UNLOCK(sc); 169093746Sjulian return (0); 169193746Sjulian} 169293746Sjulian 169393746Sjulian/* 169493746Sjulian * Report current media status. 169593746Sjulian */ 169693746Sjulian 169793746Sjulianstatic void 169893746Sjulianmy_ifmedia_sts(struct ifnet * ifp, struct ifmediareq * ifmr) 169993746Sjulian{ 170093746Sjulian struct my_softc *sc; 170193746Sjulian u_int16_t advert = 0, ability = 0; 170293746Sjulian 170393746Sjulian sc = ifp->if_softc; 170493746Sjulian MY_LOCK(sc); 170593746Sjulian ifmr->ifm_active = IFM_ETHER; 170693746Sjulian if (!(my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_AUTONEGENBL)) { 170793746Sjulian /* 170893746Sjulian * this version did not support 1000M, if (my_phy_readreg(sc, 170993746Sjulian * PHY_BMCR) & PHY_BMCR_1000) ifmr->ifm_active = 171093746Sjulian * IFM_ETHER|IFM_1000TX; 171193746Sjulian */ 171293746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_SPEEDSEL) 171393746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX; 171493746Sjulian else 171593746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T; 171693746Sjulian if (my_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_DUPLEX) 171793746Sjulian ifmr->ifm_active |= IFM_FDX; 171893746Sjulian else 171993746Sjulian ifmr->ifm_active |= IFM_HDX; 172093746Sjulian 172193746Sjulian MY_UNLOCK(sc); 172293746Sjulian return; 172393746Sjulian } 172493746Sjulian ability = my_phy_readreg(sc, PHY_LPAR); 172593746Sjulian advert = my_phy_readreg(sc, PHY_ANAR); 172693746Sjulian 172793746Sjulian /* 172893746Sjulian * this version did not support 1000M, 172993746Sjulian */ 173093746Sjulian#if 0 173193746Sjulian if (sc->my_pinfo->my_vid = MarvellPHYID0) { 173293746Sjulian ability2 = my_phy_readreg(sc, PHY_1000SR); 173393746Sjulian if (ability2 & PHY_1000SR_1000BTXFULL) { 173493746Sjulian advert = 0; 173593746Sjulian ability = 0; 173693746Sjulian ifmr->ifm_active = IFM_ETHER|IFM_1000_TX|IFM_FDX; 173793746Sjulian } else if (ability & PHY_1000SR_1000BTXHALF) { 173893746Sjulian advert = 0; 173993746Sjulian ability = 0; 174093746Sjulian ifmr->ifm_active = IFM_ETHER|IFM_1000_TX|IFM_HDX; 174193746Sjulian } 174293746Sjulian } 174393746Sjulian#endif 174493746Sjulian if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) 174593746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_T4; 174693746Sjulian else if (advert & PHY_ANAR_100BTXFULL && ability & PHY_ANAR_100BTXFULL) 174793746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_FDX; 174893746Sjulian else if (advert & PHY_ANAR_100BTXHALF && ability & PHY_ANAR_100BTXHALF) 174993746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_100_TX | IFM_HDX; 175093746Sjulian else if (advert & PHY_ANAR_10BTFULL && ability & PHY_ANAR_10BTFULL) 175193746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_FDX; 175293746Sjulian else if (advert & PHY_ANAR_10BTHALF && ability & PHY_ANAR_10BTHALF) 175393746Sjulian ifmr->ifm_active = IFM_ETHER | IFM_10_T | IFM_HDX; 175493746Sjulian MY_UNLOCK(sc); 175593746Sjulian return; 175693746Sjulian} 175793746Sjulian 175893746Sjulianstatic int 175993746Sjulianmy_ioctl(struct ifnet * ifp, u_long command, caddr_t data) 176093746Sjulian{ 176193746Sjulian struct my_softc *sc = ifp->if_softc; 176293746Sjulian struct ifreq *ifr = (struct ifreq *) data; 176393746Sjulian int s, error = 0; 176493746Sjulian 176593746Sjulian s = splimp(); 176693746Sjulian MY_LOCK(sc); 176793746Sjulian switch (command) { 176893746Sjulian case SIOCSIFADDR: 176993746Sjulian case SIOCGIFADDR: 177093746Sjulian case SIOCSIFMTU: 177193746Sjulian error = ether_ioctl(ifp, command, data); 177293746Sjulian break; 177393746Sjulian case SIOCSIFFLAGS: 177493746Sjulian if (ifp->if_flags & IFF_UP) 177593746Sjulian my_init(sc); 177693746Sjulian else if (ifp->if_flags & IFF_RUNNING) 177793746Sjulian my_stop(sc); 177893746Sjulian error = 0; 177993746Sjulian break; 178093746Sjulian case SIOCADDMULTI: 178193746Sjulian case SIOCDELMULTI: 178293746Sjulian my_setmulti(sc); 178393746Sjulian error = 0; 178493746Sjulian break; 178593746Sjulian case SIOCGIFMEDIA: 178693746Sjulian case SIOCSIFMEDIA: 178793746Sjulian error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command); 178893746Sjulian break; 178993746Sjulian default: 179093746Sjulian error = EINVAL; 179193746Sjulian break; 179293746Sjulian } 179393746Sjulian MY_UNLOCK(sc); 179493746Sjulian (void)splx(s); 179593746Sjulian return (error); 179693746Sjulian} 179793746Sjulian 179893746Sjulianstatic void 179993746Sjulianmy_watchdog(struct ifnet * ifp) 180093746Sjulian{ 180193746Sjulian struct my_softc *sc; 180293746Sjulian 180393746Sjulian sc = ifp->if_softc; 180493746Sjulian MY_LOCK(sc); 180593746Sjulian if (sc->my_autoneg) { 180693746Sjulian my_autoneg_mii(sc, MY_FLAG_DELAYTIMEO, 1); 180793746Sjulian MY_UNLOCK(sc); 180893746Sjulian return; 180993746Sjulian } 181093746Sjulian ifp->if_oerrors++; 181193746Sjulian printf("my%d: watchdog timeout\n", sc->my_unit); 181293746Sjulian if (!(my_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT)) 181393746Sjulian printf("my%d: no carrier - transceiver cable problem?\n", 181493746Sjulian sc->my_unit); 181593746Sjulian my_stop(sc); 181693746Sjulian my_reset(sc); 181793746Sjulian my_init(sc); 181893746Sjulian if (ifp->if_snd.ifq_head != NULL) 181993746Sjulian my_start(ifp); 182093746Sjulian MY_LOCK(sc); 182193746Sjulian return; 182293746Sjulian} 182393746Sjulian 182493746Sjulian 182593746Sjulian/* 182693746Sjulian * Stop the adapter and free any mbufs allocated to the RX and TX lists. 182793746Sjulian */ 182893746Sjulianstatic void 182993746Sjulianmy_stop(struct my_softc * sc) 183093746Sjulian{ 183193746Sjulian register int i; 183293746Sjulian struct ifnet *ifp; 183393746Sjulian 183493746Sjulian MY_LOCK(sc); 183593746Sjulian ifp = &sc->arpcom.ac_if; 183693746Sjulian ifp->if_timer = 0; 183793746Sjulian 183893746Sjulian MY_CLRBIT(sc, MY_TCRRCR, (MY_RE | MY_TE)); 183993746Sjulian CSR_WRITE_4(sc, MY_IMR, 0x00000000); 184093746Sjulian CSR_WRITE_4(sc, MY_TXLBA, 0x00000000); 184193746Sjulian CSR_WRITE_4(sc, MY_RXLBA, 0x00000000); 184293746Sjulian 184393746Sjulian /* 184493746Sjulian * Free data in the RX lists. 184593746Sjulian */ 184693746Sjulian for (i = 0; i < MY_RX_LIST_CNT; i++) { 184793746Sjulian if (sc->my_cdata.my_rx_chain[i].my_mbuf != NULL) { 184893746Sjulian m_freem(sc->my_cdata.my_rx_chain[i].my_mbuf); 184993746Sjulian sc->my_cdata.my_rx_chain[i].my_mbuf = NULL; 185093746Sjulian } 185193746Sjulian } 185293746Sjulian bzero((char *)&sc->my_ldata->my_rx_list, 185393746Sjulian sizeof(sc->my_ldata->my_rx_list)); 185493746Sjulian /* 185593746Sjulian * Free the TX list buffers. 185693746Sjulian */ 185793746Sjulian for (i = 0; i < MY_TX_LIST_CNT; i++) { 185893746Sjulian if (sc->my_cdata.my_tx_chain[i].my_mbuf != NULL) { 185993746Sjulian m_freem(sc->my_cdata.my_tx_chain[i].my_mbuf); 186093746Sjulian sc->my_cdata.my_tx_chain[i].my_mbuf = NULL; 186193746Sjulian } 186293746Sjulian } 186393746Sjulian bzero((char *)&sc->my_ldata->my_tx_list, 186493746Sjulian sizeof(sc->my_ldata->my_tx_list)); 186593746Sjulian ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 186693746Sjulian MY_UNLOCK(sc); 186793746Sjulian return; 186893746Sjulian} 186993746Sjulian 187093746Sjulian/* 187193746Sjulian * Stop all chip I/O so that the kernel's probe routines don't get confused 187293746Sjulian * by errant DMAs when rebooting. 187393746Sjulian */ 187493746Sjulianstatic void 187593746Sjulianmy_shutdown(device_t dev) 187693746Sjulian{ 187793746Sjulian struct my_softc *sc; 187893746Sjulian 187993746Sjulian sc = device_get_softc(dev); 188093746Sjulian my_stop(sc); 188193746Sjulian return; 188293746Sjulian} 1883