lan9118.c revision 1.1.2.4
1 1.1.2.4 yamt /* $NetBSD: lan9118.c,v 1.1.2.4 2010/08/11 22:53:27 yamt Exp $ */ 2 1.1.2.2 yamt /* 3 1.1.2.2 yamt * Copyright (c) 2008 KIYOHARA Takashi 4 1.1.2.2 yamt * All rights reserved. 5 1.1.2.2 yamt * 6 1.1.2.2 yamt * Redistribution and use in source and binary forms, with or without 7 1.1.2.2 yamt * modification, are permitted provided that the following conditions 8 1.1.2.2 yamt * are met: 9 1.1.2.2 yamt * 1. Redistributions of source code must retain the above copyright 10 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer. 11 1.1.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 12 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer in the 13 1.1.2.2 yamt * documentation and/or other materials provided with the distribution. 14 1.1.2.2 yamt * 15 1.1.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 1.1.2.2 yamt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 1.1.2.2 yamt * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 1.1.2.2 yamt * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19 1.1.2.2 yamt * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 1.1.2.2 yamt * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 1.1.2.2 yamt * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 1.1.2.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 1.1.2.2 yamt * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24 1.1.2.2 yamt * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 1.1.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 26 1.1.2.2 yamt */ 27 1.1.2.2 yamt #include <sys/cdefs.h> 28 1.1.2.4 yamt __KERNEL_RCSID(0, "$NetBSD: lan9118.c,v 1.1.2.4 2010/08/11 22:53:27 yamt Exp $"); 29 1.1.2.2 yamt 30 1.1.2.2 yamt /* 31 1.1.2.2 yamt * The LAN9118 Family 32 1.1.2.2 yamt * * The LAN9118 is targeted for 32-bit applications requiring high 33 1.1.2.2 yamt * performance, and provides the highest level of performance possible for 34 1.1.2.2 yamt * a non-PCI 10/100 Ethernet controller. 35 1.1.2.2 yamt * 36 1.1.2.2 yamt * * The LAN9117 is designed to provide the highest level of performance 37 1.1.2.2 yamt * possible for 16-bit applications. It also has an external MII interface, 38 1.1.2.2 yamt * which can be used to attach an external PHY. 39 1.1.2.2 yamt * 40 1.1.2.2 yamt * * The LAN9116 and LAN9115 are designed for performance-sensitive 41 1.1.2.2 yamt * applications with less intensive performance requirements. The LAN9116 42 1.1.2.2 yamt * is for 32-bit host processors, while the LAN9115 is for 16-bit 43 1.1.2.2 yamt * applications, which may also require an external PHY. Both devices 44 1.1.2.2 yamt * deliver superior levels of performance. 45 1.1.2.3 yamt * 46 1.1.2.3 yamt * The LAN9218 Family 47 1.1.2.3 yamt * Also support HP Auto-MDIX. 48 1.1.2.2 yamt */ 49 1.1.2.2 yamt 50 1.1.2.2 yamt #include "rnd.h" 51 1.1.2.2 yamt 52 1.1.2.2 yamt #include <sys/param.h> 53 1.1.2.3 yamt #include <sys/callout.h> 54 1.1.2.2 yamt #include <sys/device.h> 55 1.1.2.2 yamt #include <sys/errno.h> 56 1.1.2.2 yamt #include <sys/bus.h> 57 1.1.2.2 yamt #include <sys/ioctl.h> 58 1.1.2.2 yamt #include <sys/kernel.h> 59 1.1.2.2 yamt #include <sys/proc.h> 60 1.1.2.2 yamt #include <sys/systm.h> 61 1.1.2.2 yamt 62 1.1.2.2 yamt #include <net/if.h> 63 1.1.2.2 yamt #include <net/if_ether.h> 64 1.1.2.2 yamt #include <net/if_media.h> 65 1.1.2.2 yamt 66 1.1.2.2 yamt #include <dev/mii/mii.h> 67 1.1.2.2 yamt #include <dev/mii/miivar.h> 68 1.1.2.2 yamt 69 1.1.2.2 yamt #include <net/bpf.h> 70 1.1.2.2 yamt #if NRND > 0 71 1.1.2.2 yamt #include <sys/rnd.h> 72 1.1.2.2 yamt #endif 73 1.1.2.2 yamt 74 1.1.2.2 yamt #include <dev/ic/lan9118reg.h> 75 1.1.2.2 yamt #include <dev/ic/lan9118var.h> 76 1.1.2.2 yamt 77 1.1.2.2 yamt 78 1.1.2.2 yamt #ifdef SMSH_DEBUG 79 1.1.2.2 yamt #define DPRINTF(x) if (smsh_debug) printf x 80 1.1.2.2 yamt #define DPRINTFN(n,x) if (smsh_debug >= (n)) printf x 81 1.1.2.2 yamt int smsh_debug = SMSH_DEBUG; 82 1.1.2.2 yamt #else 83 1.1.2.2 yamt #define DPRINTF(x) 84 1.1.2.2 yamt #define DPRINTFN(n,x) 85 1.1.2.2 yamt #endif 86 1.1.2.2 yamt 87 1.1.2.2 yamt 88 1.1.2.2 yamt static void lan9118_start(struct ifnet *); 89 1.1.2.2 yamt static int lan9118_ioctl(struct ifnet *, u_long, void *); 90 1.1.2.2 yamt static int lan9118_init(struct ifnet *); 91 1.1.2.2 yamt static void lan9118_stop(struct ifnet *, int); 92 1.1.2.2 yamt static void lan9118_watchdog(struct ifnet *); 93 1.1.2.2 yamt 94 1.1.2.2 yamt static int lan9118_ifm_change(struct ifnet *); 95 1.1.2.2 yamt static void lan9118_ifm_status(struct ifnet *, struct ifmediareq *); 96 1.1.2.2 yamt 97 1.1.2.2 yamt static int lan9118_miibus_readreg(device_t, int, int); 98 1.1.2.2 yamt static void lan9118_miibus_writereg(device_t, int, int, int); 99 1.1.2.2 yamt static void lan9118_miibus_statchg(device_t); 100 1.1.2.2 yamt 101 1.1.2.2 yamt static uint16_t lan9118_mii_readreg(struct lan9118_softc *, int, int); 102 1.1.2.2 yamt static void lan9118_mii_writereg(struct lan9118_softc *, int, int, uint16_t); 103 1.1.2.2 yamt static uint32_t lan9118_mac_readreg(struct lan9118_softc *, int); 104 1.1.2.2 yamt static void lan9118_mac_writereg(struct lan9118_softc *, int, uint32_t); 105 1.1.2.2 yamt 106 1.1.2.2 yamt static void lan9118_set_filter(struct lan9118_softc *); 107 1.1.2.2 yamt static void lan9118_rxintr(struct lan9118_softc *); 108 1.1.2.2 yamt static void lan9118_txintr(struct lan9118_softc *); 109 1.1.2.2 yamt 110 1.1.2.3 yamt static void lan9118_tick(void *); 111 1.1.2.3 yamt 112 1.1.2.2 yamt /* This values refer from Linux's smc911x.c */ 113 1.1.2.2 yamt static uint32_t afc_cfg[] = { 114 1.1.2.2 yamt /* 0 */ 0x00000000, 115 1.1.2.2 yamt /* 1 */ 0x00000000, 116 1.1.2.2 yamt /* 2 */ 0x008c4600 | LAN9118_AFC_CFG_BACK_DUR(10) | 117 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 118 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 119 1.1.2.2 yamt /* 3 */ 0x00824100 | LAN9118_AFC_CFG_BACK_DUR(9) | 120 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 121 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 122 1.1.2.2 yamt /* 4 */ 0x00783c00 | LAN9118_AFC_CFG_BACK_DUR(9) | 123 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 124 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 125 1.1.2.2 yamt /* 5 */ 0x006e3700 | LAN9118_AFC_CFG_BACK_DUR(8) | 126 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 127 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 128 1.1.2.2 yamt /* 6 */ 0x00643200 | LAN9118_AFC_CFG_BACK_DUR(8) | 129 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 130 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 131 1.1.2.2 yamt /* 7 */ 0x005a2d00 | LAN9118_AFC_CFG_BACK_DUR(7) | 132 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 133 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 134 1.1.2.2 yamt /* 8 */ 0x00502800 | LAN9118_AFC_CFG_BACK_DUR(7) | 135 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 136 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 137 1.1.2.2 yamt /* 9 */ 0x00462300 | LAN9118_AFC_CFG_BACK_DUR(6) | 138 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 139 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 140 1.1.2.2 yamt /* a */ 0x003c1e00 | LAN9118_AFC_CFG_BACK_DUR(6) | 141 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 142 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 143 1.1.2.2 yamt /* b */ 0x00321900 | LAN9118_AFC_CFG_BACK_DUR(5) | 144 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 145 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 146 1.1.2.2 yamt /* c */ 0x00241200 | LAN9118_AFC_CFG_BACK_DUR(4) | 147 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 148 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 149 1.1.2.2 yamt /* d */ 0x00150700 | LAN9118_AFC_CFG_BACK_DUR(3) | 150 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 151 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 152 1.1.2.2 yamt /* e */ 0x00060300 | LAN9118_AFC_CFG_BACK_DUR(2) | 153 1.1.2.2 yamt LAN9118_AFC_CFG_FCMULT | LAN9118_AFC_CFG_FCBRD | 154 1.1.2.2 yamt LAN9118_AFC_CFG_FCADD | LAN9118_AFC_CFG_FCANY, 155 1.1.2.2 yamt /* f */ 0x00000000, 156 1.1.2.2 yamt }; 157 1.1.2.2 yamt 158 1.1.2.2 yamt 159 1.1.2.2 yamt int 160 1.1.2.2 yamt lan9118_attach(struct lan9118_softc *sc) 161 1.1.2.2 yamt { 162 1.1.2.2 yamt struct ifnet *ifp = &sc->sc_ec.ec_if; 163 1.1.2.2 yamt uint32_t val; 164 1.1.2.2 yamt int timo, i; 165 1.1.2.2 yamt 166 1.1.2.3 yamt if (sc->sc_flags & LAN9118_FLAGS_SWAP) 167 1.1.2.3 yamt /* byte swap mode */ 168 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_WORD_SWAP, 169 1.1.2.2 yamt 0xffffffff); 170 1.1.2.2 yamt val = bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_BYTE_TEST); 171 1.1.2.2 yamt if (val != LAN9118_BYTE_TEST_VALUE) { 172 1.1.2.3 yamt aprint_error(": failed to detect chip\n"); 173 1.1.2.2 yamt return EINVAL; 174 1.1.2.2 yamt } 175 1.1.2.2 yamt 176 1.1.2.2 yamt val = bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_ID_REV); 177 1.1.2.2 yamt sc->sc_id = LAN9118_ID_REV_ID(val); 178 1.1.2.2 yamt sc->sc_rev = LAN9118_ID_REV_REV(val); 179 1.1.2.2 yamt 180 1.1.2.3 yamt #define LAN9xxx_ID(id) \ 181 1.1.2.3 yamt (IS_LAN9118(id) ? (id) : (IS_LAN9218(id) ? ((id) >> 4) + 0x100 : (id) & 0xfff)) 182 1.1.2.3 yamt 183 1.1.2.3 yamt aprint_normal(": SMSC LAN9%03x Rev %d\n", 184 1.1.2.3 yamt LAN9xxx_ID(sc->sc_id), sc->sc_rev); 185 1.1.2.3 yamt 186 1.1.2.3 yamt if (sc->sc_flags & LAN9118_FLAGS_SWAP) 187 1.1.2.3 yamt aprint_normal_dev(sc->sc_dev, "byte swap mode\n"); 188 1.1.2.2 yamt 189 1.1.2.2 yamt timo = 3 * 1000 * 1000; /* XXXX 3sec */ 190 1.1.2.2 yamt do { 191 1.1.2.2 yamt val = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 192 1.1.2.2 yamt LAN9118_MAC_CSR_CMD); 193 1.1.2.2 yamt if (!(val & LAN9118_MAC_CSR_CMD_BUSY)) 194 1.1.2.2 yamt break; 195 1.1.2.2 yamt delay(100); 196 1.1.2.2 yamt } while (timo -= 100); 197 1.1.2.2 yamt if (timo <= 0) 198 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, "%s: command busy\n", __func__); 199 1.1.2.2 yamt if (!(sc->sc_flags & LAN9118_FLAGS_NO_EEPROM)) { 200 1.1.2.2 yamt /* Read auto-loaded MAC address */ 201 1.1.2.2 yamt val = lan9118_mac_readreg(sc, LAN9118_ADDRL); 202 1.1.2.2 yamt sc->sc_enaddr[3] = (val >> 24) & 0xff; 203 1.1.2.2 yamt sc->sc_enaddr[2] = (val >> 16) & 0xff; 204 1.1.2.2 yamt sc->sc_enaddr[1] = (val >> 8) & 0xff; 205 1.1.2.2 yamt sc->sc_enaddr[0] = val & 0xff; 206 1.1.2.2 yamt val = lan9118_mac_readreg(sc, LAN9118_ADDRH); 207 1.1.2.2 yamt sc->sc_enaddr[5] = (val >> 8) & 0xff; 208 1.1.2.2 yamt sc->sc_enaddr[4] = val & 0xff; 209 1.1.2.2 yamt } 210 1.1.2.2 yamt aprint_normal_dev(sc->sc_dev, "MAC address %s\n", 211 1.1.2.2 yamt ether_sprintf(sc->sc_enaddr)); 212 1.1.2.2 yamt 213 1.1.2.2 yamt KASSERT(LAN9118_TX_FIF_SZ >= 2 && LAN9118_TX_FIF_SZ < 15); 214 1.1.2.2 yamt sc->sc_afc_cfg = afc_cfg[LAN9118_TX_FIF_SZ]; 215 1.1.2.2 yamt 216 1.1.2.2 yamt /* Initialize the ifnet structure. */ 217 1.1.2.2 yamt strlcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 218 1.1.2.2 yamt ifp->if_softc = sc; 219 1.1.2.2 yamt ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 220 1.1.2.2 yamt ifp->if_start = lan9118_start; 221 1.1.2.2 yamt ifp->if_ioctl = lan9118_ioctl; 222 1.1.2.2 yamt ifp->if_init = lan9118_init; 223 1.1.2.2 yamt ifp->if_stop = lan9118_stop; 224 1.1.2.2 yamt ifp->if_watchdog = lan9118_watchdog; 225 1.1.2.2 yamt IFQ_SET_READY(&ifp->if_snd); 226 1.1.2.2 yamt 227 1.1.2.2 yamt #if 0 /* Not support 802.1Q VLAN-sized frames yet. */ 228 1.1.2.2 yamt sc->sc_ec.ec_capabilities |= ETHERCAP_VLAN_MTU; 229 1.1.2.2 yamt #endif 230 1.1.2.2 yamt 231 1.1.2.2 yamt ifmedia_init(&sc->sc_mii.mii_media, 0, 232 1.1.2.2 yamt lan9118_ifm_change, lan9118_ifm_status); 233 1.1.2.3 yamt sc->sc_mii.mii_ifp = ifp; 234 1.1.2.3 yamt sc->sc_mii.mii_readreg = lan9118_miibus_readreg; 235 1.1.2.3 yamt sc->sc_mii.mii_writereg = lan9118_miibus_writereg; 236 1.1.2.3 yamt sc->sc_mii.mii_statchg = lan9118_miibus_statchg; 237 1.1.2.3 yamt 238 1.1.2.2 yamt /* 239 1.1.2.2 yamt * Number of instance of Internal PHY is always 0. External PHY 240 1.1.2.2 yamt * number that above. 241 1.1.2.2 yamt */ 242 1.1.2.3 yamt mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, MII_OFFSET_ANY, 0); 243 1.1.2.3 yamt 244 1.1.2.3 yamt if (sc->sc_id == LAN9118_ID_9115 || sc->sc_id == LAN9118_ID_9117 || 245 1.1.2.3 yamt sc->sc_id == LAN9218_ID_9215 || sc->sc_id == LAN9218_ID_9217) { 246 1.1.2.2 yamt if (bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_HW_CFG) & 247 1.1.2.2 yamt LAN9118_HW_CFG_EXT_PHY_DET) { 248 1.1.2.2 yamt /* 249 1.1.2.2 yamt * We always have a internal PHY at phy1. 250 1.1.2.2 yamt * In addition, external PHY is attached. 251 1.1.2.2 yamt */ 252 1.1.2.2 yamt DPRINTFN(1, ("%s: detect External PHY\n", __func__)); 253 1.1.2.2 yamt 254 1.1.2.2 yamt /* Switch MII and SMI */ 255 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, 256 1.1.2.2 yamt LAN9118_HW_CFG, 257 1.1.2.2 yamt LAN9118_HW_CFG_MBO | 258 1.1.2.2 yamt LAN9118_HW_CFG_PHY_CLK_SEL_CD); 259 1.1.2.2 yamt delay(1); /* Wait 5 cycle */ 260 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, 261 1.1.2.2 yamt LAN9118_HW_CFG, 262 1.1.2.2 yamt LAN9118_HW_CFG_MBO | 263 1.1.2.2 yamt LAN9118_HW_CFG_PHY_CLK_SEL_EMII | 264 1.1.2.2 yamt LAN9118_HW_CFG_SMI_SEL | 265 1.1.2.2 yamt LAN9118_HW_CFG_EXT_PHY_EN); 266 1.1.2.2 yamt delay(1); /* Once wait more 5 cycle */ 267 1.1.2.2 yamt 268 1.1.2.2 yamt /* Call mii_attach, avoid at phy1. */ 269 1.1.2.2 yamt mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 270 1.1.2.2 yamt 0, MII_OFFSET_ANY, 0); 271 1.1.2.2 yamt for (i = 2; i < MII_NPHY; i++) 272 1.1.2.2 yamt mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 273 1.1.2.2 yamt i, MII_OFFSET_ANY, 0); 274 1.1.2.2 yamt } 275 1.1.2.2 yamt } 276 1.1.2.2 yamt 277 1.1.2.2 yamt ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER | IFM_AUTO); 278 1.1.2.2 yamt 279 1.1.2.2 yamt /* Attach the interface. */ 280 1.1.2.2 yamt if_attach(ifp); 281 1.1.2.2 yamt ether_ifattach(ifp, sc->sc_enaddr); 282 1.1.2.2 yamt 283 1.1.2.3 yamt callout_init(&sc->sc_tick, 0); 284 1.1.2.3 yamt 285 1.1.2.2 yamt #if NRND > 0 286 1.1.2.2 yamt rnd_attach_source(&sc->rnd_source, device_xname(sc->sc_dev), 287 1.1.2.2 yamt RND_TYPE_NET, 0); 288 1.1.2.2 yamt #endif 289 1.1.2.2 yamt return 0; 290 1.1.2.2 yamt } 291 1.1.2.2 yamt 292 1.1.2.2 yamt int 293 1.1.2.2 yamt lan9118_intr(void *arg) 294 1.1.2.2 yamt { 295 1.1.2.2 yamt struct lan9118_softc *sc = (struct lan9118_softc *)arg; 296 1.1.2.2 yamt struct ifnet *ifp = &sc->sc_ec.ec_if; 297 1.1.2.2 yamt uint32_t int_sts, int_en, datum = 0; 298 1.1.2.2 yamt int handled = 0; 299 1.1.2.2 yamt 300 1.1.2.2 yamt for (;;) { 301 1.1.2.2 yamt int_sts = 302 1.1.2.2 yamt bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_INT_STS); 303 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_INT_STS, 304 1.1.2.2 yamt int_sts); 305 1.1.2.2 yamt int_en = 306 1.1.2.2 yamt bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_INT_EN); 307 1.1.2.2 yamt 308 1.1.2.2 yamt DPRINTFN(3, ("%s: int_sts=0x%x, int_en=0x%x\n", 309 1.1.2.2 yamt __func__, int_sts, int_en)); 310 1.1.2.2 yamt 311 1.1.2.2 yamt if (!(int_sts & int_en)) 312 1.1.2.2 yamt break; 313 1.1.2.2 yamt datum = int_sts; 314 1.1.2.2 yamt 315 1.1.2.3 yamt #if 0 /* not yet... */ 316 1.1.2.2 yamt if (int_sts & LAN9118_INT_PHY_INT) { /* PHY */ 317 1.1.2.2 yamt /* Shall we need? */ 318 1.1.2.2 yamt } 319 1.1.2.2 yamt if (int_sts & LAN9118_INT_PME_INT) { /*Power Management Event*/ 320 1.1.2.2 yamt /* not yet... */ 321 1.1.2.2 yamt } 322 1.1.2.3 yamt #endif 323 1.1.2.2 yamt if (int_sts & LAN9118_INT_RXE) { 324 1.1.2.2 yamt ifp->if_ierrors++; 325 1.1.2.2 yamt aprint_error_ifnet(ifp, "Receive Error\n"); 326 1.1.2.2 yamt } 327 1.1.2.2 yamt if (int_sts & LAN9118_INT_TSFL) /* TX Status FIFO Level */ 328 1.1.2.2 yamt lan9118_txintr(sc); 329 1.1.2.2 yamt if (int_sts & LAN9118_INT_RXDF_INT) { 330 1.1.2.2 yamt ifp->if_ierrors++; 331 1.1.2.2 yamt aprint_error_ifnet(ifp, "RX Dropped Frame Interrupt\n"); 332 1.1.2.2 yamt } 333 1.1.2.2 yamt if (int_sts & LAN9118_INT_RSFF) { 334 1.1.2.2 yamt ifp->if_ierrors++; 335 1.1.2.2 yamt aprint_error_ifnet(ifp, "RX Status FIFO Full\n"); 336 1.1.2.2 yamt } 337 1.1.2.2 yamt if (int_sts & LAN9118_INT_RSFL) /* RX Status FIFO Level */ 338 1.1.2.2 yamt lan9118_rxintr(sc); 339 1.1.2.2 yamt } 340 1.1.2.2 yamt 341 1.1.2.2 yamt if (!IFQ_IS_EMPTY(&ifp->if_snd)) 342 1.1.2.2 yamt lan9118_start(ifp); 343 1.1.2.2 yamt 344 1.1.2.2 yamt #if NRND > 0 345 1.1.2.2 yamt if (RND_ENABLED(&sc->rnd_source)) 346 1.1.2.2 yamt rnd_add_uint32(&sc->rnd_source, datum); 347 1.1.2.2 yamt #endif 348 1.1.2.2 yamt 349 1.1.2.2 yamt return handled; 350 1.1.2.2 yamt } 351 1.1.2.2 yamt 352 1.1.2.2 yamt 353 1.1.2.2 yamt static void 354 1.1.2.2 yamt lan9118_start(struct ifnet *ifp) 355 1.1.2.2 yamt { 356 1.1.2.2 yamt struct lan9118_softc *sc = ifp->if_softc; 357 1.1.2.2 yamt struct mbuf *m0, *m; 358 1.1.2.2 yamt unsigned tdfree, totlen, dso; 359 1.1.2.2 yamt uint32_t txa, txb; 360 1.1.2.2 yamt uint8_t *p; 361 1.1.2.3 yamt int n; 362 1.1.2.2 yamt 363 1.1.2.2 yamt DPRINTFN(3, ("%s\n", __func__)); 364 1.1.2.2 yamt 365 1.1.2.2 yamt if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 366 1.1.2.2 yamt return; 367 1.1.2.2 yamt 368 1.1.2.2 yamt totlen = 0; 369 1.1.2.2 yamt for (;;) { 370 1.1.2.2 yamt IFQ_POLL(&ifp->if_snd, m0); 371 1.1.2.2 yamt if (m0 == NULL) 372 1.1.2.2 yamt break; 373 1.1.2.2 yamt 374 1.1.2.2 yamt tdfree = LAN9118_TX_FIFO_INF_TDFREE(bus_space_read_4(sc->sc_iot, 375 1.1.2.2 yamt sc->sc_ioh, LAN9118_TX_FIFO_INF)); 376 1.1.2.2 yamt if (tdfree < 2036) { 377 1.1.2.2 yamt /* 378 1.1.2.2 yamt * 2036 is the possible maximum FIFO consumption 379 1.1.2.2 yamt * for the most fragmented frame. 380 1.1.2.2 yamt */ 381 1.1.2.2 yamt ifp->if_flags |= IFF_OACTIVE; 382 1.1.2.2 yamt break; 383 1.1.2.2 yamt } 384 1.1.2.2 yamt 385 1.1.2.2 yamt IFQ_DEQUEUE(&ifp->if_snd, m0); 386 1.1.2.2 yamt 387 1.1.2.2 yamt /* 388 1.1.2.2 yamt * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 389 1.1.2.2 yamt */ 390 1.1.2.2 yamt 391 1.1.2.3 yamt /* 392 1.1.2.3 yamt * Check mbuf chain -- "middle" buffers must be >= 4 bytes 393 1.1.2.3 yamt * and maximum # of buffers is 86. 394 1.1.2.3 yamt */ 395 1.1.2.3 yamt m = m0; 396 1.1.2.3 yamt n = 0; 397 1.1.2.3 yamt while (m) { 398 1.1.2.3 yamt if (m->m_len < 4 || ++n > 86) { 399 1.1.2.3 yamt /* Copy mbuf chain. */ 400 1.1.2.3 yamt MGETHDR(m, M_DONTWAIT, MT_DATA); 401 1.1.2.3 yamt if (m == NULL) 402 1.1.2.3 yamt goto discard; /* discard packet */ 403 1.1.2.3 yamt MCLGET(m, M_DONTWAIT); 404 1.1.2.3 yamt if ((m->m_flags & M_EXT) == 0) { 405 1.1.2.3 yamt m_freem(m); 406 1.1.2.3 yamt goto discard; /* discard packet */ 407 1.1.2.3 yamt } 408 1.1.2.3 yamt m_copydata(m0, 0, m0->m_pkthdr.len, 409 1.1.2.3 yamt mtod(m, void *)); 410 1.1.2.3 yamt m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 411 1.1.2.3 yamt m_freem(m0); 412 1.1.2.3 yamt m0 = m; 413 1.1.2.3 yamt break; 414 1.1.2.3 yamt } 415 1.1.2.3 yamt m = m->m_next; 416 1.1.2.3 yamt } 417 1.1.2.3 yamt 418 1.1.2.2 yamt m = m0; 419 1.1.2.2 yamt totlen = m->m_pkthdr.len; 420 1.1.2.2 yamt p = mtod(m, uint8_t *); 421 1.1.2.2 yamt dso = (unsigned)p & 0x3; 422 1.1.2.2 yamt txa = 423 1.1.2.2 yamt LAN9118_TXC_A_BEA_4B | 424 1.1.2.2 yamt LAN9118_TXC_A_DSO(dso) | 425 1.1.2.2 yamt LAN9118_TXC_A_FS | 426 1.1.2.2 yamt LAN9118_TXC_A_BS(m->m_len); 427 1.1.2.2 yamt txb = LAN9118_TXC_B_PL(totlen); 428 1.1.2.2 yamt while (m->m_next != NULL) { 429 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, 430 1.1.2.2 yamt LAN9118_TXDFIFOP, txa); 431 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, 432 1.1.2.2 yamt LAN9118_TXDFIFOP, txb); 433 1.1.2.2 yamt bus_space_write_multi_4(sc->sc_iot, sc->sc_ioh, 434 1.1.2.2 yamt LAN9118_TXDFIFOP, (uint32_t *)(p - dso), 435 1.1.2.2 yamt (m->m_len + dso + 3) >> 2); 436 1.1.2.2 yamt 437 1.1.2.2 yamt m = m->m_next; 438 1.1.2.2 yamt p = mtod(m, uint8_t *); 439 1.1.2.2 yamt dso = (unsigned)p & 0x3; 440 1.1.2.2 yamt txa = 441 1.1.2.2 yamt LAN9118_TXC_A_BEA_4B | 442 1.1.2.2 yamt LAN9118_TXC_A_DSO(dso) | 443 1.1.2.2 yamt LAN9118_TXC_A_BS(m->m_len); 444 1.1.2.2 yamt } 445 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_TXDFIFOP, 446 1.1.2.2 yamt txa | LAN9118_TXC_A_LS); 447 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_TXDFIFOP, 448 1.1.2.2 yamt txb); 449 1.1.2.2 yamt bus_space_write_multi_4(sc->sc_iot, sc->sc_ioh, 450 1.1.2.2 yamt LAN9118_TXDFIFOP, (uint32_t *)(p - dso), 451 1.1.2.2 yamt (m->m_len + dso + 3) >> 2); 452 1.1.2.3 yamt 453 1.1.2.3 yamt discard: 454 1.1.2.2 yamt /* 455 1.1.2.2 yamt * Pass the packet to any BPF listeners. 456 1.1.2.2 yamt */ 457 1.1.2.4 yamt bpf_mtap(ifp, m0); 458 1.1.2.2 yamt 459 1.1.2.2 yamt m_freem(m0); 460 1.1.2.2 yamt } 461 1.1.2.2 yamt if (totlen > 0) 462 1.1.2.2 yamt ifp->if_timer = 5; 463 1.1.2.2 yamt } 464 1.1.2.2 yamt 465 1.1.2.2 yamt static int 466 1.1.2.2 yamt lan9118_ioctl(struct ifnet *ifp, u_long command, void *data) 467 1.1.2.2 yamt { 468 1.1.2.2 yamt struct lan9118_softc *sc = ifp->if_softc; 469 1.1.2.2 yamt struct ifreq *ifr = data; 470 1.1.2.2 yamt struct mii_data *mii = &sc->sc_mii; 471 1.1.2.2 yamt int s, error = 0; 472 1.1.2.2 yamt 473 1.1.2.2 yamt s = splnet(); 474 1.1.2.2 yamt 475 1.1.2.2 yamt switch (command) { 476 1.1.2.2 yamt case SIOCSIFFLAGS: 477 1.1.2.2 yamt DPRINTFN(2, ("%s: IFFLAGS\n", __func__)); 478 1.1.2.2 yamt if ((error = ifioctl_common(ifp, command, data)) != 0) 479 1.1.2.2 yamt break; 480 1.1.2.2 yamt switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) { 481 1.1.2.2 yamt case IFF_RUNNING: 482 1.1.2.2 yamt lan9118_stop(ifp, 0); 483 1.1.2.2 yamt break; 484 1.1.2.2 yamt case IFF_UP: 485 1.1.2.2 yamt lan9118_init(ifp); 486 1.1.2.2 yamt break; 487 1.1.2.3 yamt case IFF_UP|IFF_RUNNING: 488 1.1.2.3 yamt lan9118_set_filter(sc); 489 1.1.2.3 yamt break; 490 1.1.2.2 yamt default: 491 1.1.2.2 yamt break; 492 1.1.2.2 yamt } 493 1.1.2.2 yamt error = 0; 494 1.1.2.2 yamt break; 495 1.1.2.2 yamt 496 1.1.2.2 yamt case SIOCGIFMEDIA: 497 1.1.2.2 yamt case SIOCSIFMEDIA: 498 1.1.2.2 yamt DPRINTFN(2, ("%s: MEDIA\n", __func__)); 499 1.1.2.2 yamt error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command); 500 1.1.2.2 yamt break; 501 1.1.2.2 yamt 502 1.1.2.2 yamt default: 503 1.1.2.2 yamt DPRINTFN(2, ("%s: ETHER\n", __func__)); 504 1.1.2.2 yamt error = ether_ioctl(ifp, command, data); 505 1.1.2.2 yamt if (error == ENETRESET) { 506 1.1.2.2 yamt if (ifp->if_flags & IFF_RUNNING) { 507 1.1.2.2 yamt lan9118_set_filter(sc); 508 1.1.2.2 yamt DPRINTFN(2, ("%s set_filter called\n", 509 1.1.2.2 yamt __func__)); 510 1.1.2.2 yamt } 511 1.1.2.2 yamt error = 0; 512 1.1.2.2 yamt } 513 1.1.2.2 yamt break; 514 1.1.2.2 yamt } 515 1.1.2.2 yamt 516 1.1.2.2 yamt splx(s); 517 1.1.2.2 yamt 518 1.1.2.2 yamt return error; 519 1.1.2.2 yamt } 520 1.1.2.2 yamt 521 1.1.2.2 yamt static int 522 1.1.2.2 yamt lan9118_init(struct ifnet *ifp) 523 1.1.2.2 yamt { 524 1.1.2.2 yamt struct lan9118_softc *sc = ifp->if_softc; 525 1.1.2.2 yamt struct ifmedia *ifm = &sc->sc_mii.mii_media; 526 1.1.2.2 yamt uint32_t reg, hw_cfg, mac_cr; 527 1.1.2.2 yamt int timo, s; 528 1.1.2.2 yamt 529 1.1.2.2 yamt DPRINTFN(2, ("%s\n", __func__)); 530 1.1.2.2 yamt 531 1.1.2.2 yamt s = splnet(); 532 1.1.2.2 yamt 533 1.1.2.2 yamt /* wait for PMT_CTRL[READY] */ 534 1.1.2.3 yamt timo = mstohz(5000); /* XXXX 5sec */ 535 1.1.2.2 yamt while (!(bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_PMT_CTRL) & 536 1.1.2.2 yamt LAN9118_PMT_CTRL_READY)) { 537 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_BYTE_TEST, 538 1.1.2.2 yamt 0xbad0c0de); 539 1.1.2.2 yamt tsleep(&sc, PRIBIO, "lan9118_pmt_ready", 1); 540 1.1.2.2 yamt if (--timo <= 0) { 541 1.1.2.2 yamt splx(s); 542 1.1.2.2 yamt return EBUSY; 543 1.1.2.2 yamt } 544 1.1.2.2 yamt } 545 1.1.2.2 yamt 546 1.1.2.2 yamt /* Soft Reset */ 547 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_HW_CFG, 548 1.1.2.2 yamt LAN9118_HW_CFG_SRST); 549 1.1.2.2 yamt do { 550 1.1.2.2 yamt reg = bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_HW_CFG); 551 1.1.2.2 yamt if (reg & LAN9118_HW_CFG_SRST_TO) { 552 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, 553 1.1.2.2 yamt "soft reset timeouted out\n"); 554 1.1.2.2 yamt splx(s); 555 1.1.2.2 yamt return ETIMEDOUT; 556 1.1.2.2 yamt } 557 1.1.2.2 yamt } while (reg & LAN9118_HW_CFG_SRST); 558 1.1.2.2 yamt 559 1.1.2.2 yamt /* Set MAC and PHY CSRs */ 560 1.1.2.2 yamt 561 1.1.2.2 yamt if (sc->sc_flags & LAN9118_FLAGS_SWAP) 562 1.1.2.2 yamt /* need byte swap */ 563 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_WORD_SWAP, 564 1.1.2.2 yamt 0xffffffff); 565 1.1.2.2 yamt 566 1.1.2.2 yamt while (bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_E2P_CMD) & 567 1.1.2.2 yamt LAN9118_E2P_CMD_EPCB); 568 1.1.2.2 yamt if (!(bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_E2P_CMD) & 569 1.1.2.2 yamt LAN9118_E2P_CMD_MACAL)) { 570 1.1.2.2 yamt lan9118_mac_writereg(sc, LAN9118_ADDRL, 571 1.1.2.2 yamt sc->sc_enaddr[0] | 572 1.1.2.2 yamt sc->sc_enaddr[1] << 8 | 573 1.1.2.2 yamt sc->sc_enaddr[2] << 16 | 574 1.1.2.2 yamt sc->sc_enaddr[3] << 24); 575 1.1.2.2 yamt lan9118_mac_writereg(sc, LAN9118_ADDRH, 576 1.1.2.2 yamt sc->sc_enaddr[4] | sc->sc_enaddr[5] << 8); 577 1.1.2.2 yamt } 578 1.1.2.2 yamt 579 1.1.2.2 yamt if (ifm->ifm_media & IFM_FLOW) { 580 1.1.2.2 yamt lan9118_mac_writereg(sc, LAN9118_FLOW, 581 1.1.2.2 yamt LAN9118_FLOW_FCPT(1) | LAN9118_FLOW_FCEN); 582 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_AFC_CFG, 583 1.1.2.2 yamt sc->sc_afc_cfg); 584 1.1.2.2 yamt } 585 1.1.2.2 yamt 586 1.1.2.2 yamt lan9118_ifm_change(ifp); 587 1.1.2.2 yamt hw_cfg = bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_HW_CFG); 588 1.1.2.2 yamt hw_cfg &= ~LAN9118_HW_CFG_TX_FIF_MASK; 589 1.1.2.2 yamt hw_cfg |= LAN9118_HW_CFG_TX_FIF_SZ(LAN9118_TX_FIF_SZ); 590 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_HW_CFG, hw_cfg); 591 1.1.2.2 yamt 592 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_GPIO_CFG, 593 1.1.2.2 yamt LAN9118_GPIO_CFG_LEDX_EN(2) | 594 1.1.2.2 yamt LAN9118_GPIO_CFG_LEDX_EN(1) | 595 1.1.2.2 yamt LAN9118_GPIO_CFG_LEDX_EN(0) | 596 1.1.2.2 yamt LAN9118_GPIO_CFG_GPIOBUFN(2) | 597 1.1.2.2 yamt LAN9118_GPIO_CFG_GPIOBUFN(1) | 598 1.1.2.2 yamt LAN9118_GPIO_CFG_GPIOBUFN(0)); 599 1.1.2.2 yamt 600 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_IRQ_CFG, 601 1.1.2.2 yamt LAN9118_IRQ_CFG_IRQ_EN); 602 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_INT_STS, 603 1.1.2.2 yamt bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_INT_STS)); 604 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_FIFO_INT, 605 1.1.2.2 yamt LAN9118_FIFO_INT_TXSL(0) | LAN9118_FIFO_INT_RXSL(0)); 606 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_INT_EN, 607 1.1.2.3 yamt #if 0 /* not yet... */ 608 1.1.2.2 yamt LAN9118_INT_PHY_INT | /* PHY */ 609 1.1.2.2 yamt LAN9118_INT_PME_INT | /* Power Management Event */ 610 1.1.2.3 yamt #endif 611 1.1.2.2 yamt LAN9118_INT_RXE | /* Receive Error */ 612 1.1.2.2 yamt LAN9118_INT_TSFL | /* TX Status FIFO Level */ 613 1.1.2.2 yamt LAN9118_INT_RXDF_INT| /* RX Dropped Frame Interrupt */ 614 1.1.2.2 yamt LAN9118_INT_RSFF | /* RX Status FIFO Full */ 615 1.1.2.2 yamt LAN9118_INT_RSFL); /* RX Status FIFO Level */ 616 1.1.2.2 yamt 617 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_RX_CFG, 618 1.1.2.2 yamt LAN9118_RX_CFG_RXDOFF(2)); 619 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_TX_CFG, 620 1.1.2.2 yamt LAN9118_TX_CFG_TX_ON); 621 1.1.2.2 yamt mac_cr = lan9118_mac_readreg(sc, LAN9118_MAC_CR); 622 1.1.2.2 yamt lan9118_mac_writereg(sc, LAN9118_MAC_CR, 623 1.1.2.2 yamt mac_cr | LAN9118_MAC_CR_TXEN | LAN9118_MAC_CR_RXEN); 624 1.1.2.2 yamt 625 1.1.2.3 yamt lan9118_set_filter(sc); 626 1.1.2.3 yamt 627 1.1.2.2 yamt ifp->if_flags |= IFF_RUNNING; 628 1.1.2.2 yamt ifp->if_flags &= ~IFF_OACTIVE; 629 1.1.2.2 yamt 630 1.1.2.3 yamt callout_reset(&sc->sc_tick, hz, lan9118_tick, sc); 631 1.1.2.3 yamt 632 1.1.2.2 yamt splx(s); 633 1.1.2.2 yamt 634 1.1.2.2 yamt return 0; 635 1.1.2.2 yamt } 636 1.1.2.2 yamt 637 1.1.2.2 yamt static void 638 1.1.2.2 yamt lan9118_stop(struct ifnet *ifp, int disable) 639 1.1.2.2 yamt { 640 1.1.2.2 yamt struct lan9118_softc *sc = ifp->if_softc; 641 1.1.2.2 yamt uint32_t cr; 642 1.1.2.2 yamt 643 1.1.2.2 yamt DPRINTFN(2, ("%s\n", __func__)); 644 1.1.2.2 yamt 645 1.1.2.2 yamt /* Disable IRQ */ 646 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_INT_EN, 0); 647 1.1.2.2 yamt 648 1.1.2.2 yamt /* Stopping transmitter */ 649 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_TX_CFG, 650 1.1.2.2 yamt LAN9118_TX_CFG_STOP_TX); 651 1.1.2.2 yamt while (bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_TX_CFG) & 652 1.1.2.2 yamt (LAN9118_TX_CFG_TX_ON | LAN9118_TX_CFG_STOP_TX)); 653 1.1.2.2 yamt 654 1.1.2.2 yamt /* Purge TX Status/Data FIFOs */ 655 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_TX_CFG, 656 1.1.2.2 yamt LAN9118_TX_CFG_TXS_DUMP | LAN9118_TX_CFG_TXD_DUMP); 657 1.1.2.2 yamt 658 1.1.2.2 yamt /* Stopping receiver, also clear TXEN */ 659 1.1.2.2 yamt cr = lan9118_mac_readreg(sc, LAN9118_MAC_CR); 660 1.1.2.2 yamt cr &= ~(LAN9118_MAC_CR_TXEN | LAN9118_MAC_CR_RXEN); 661 1.1.2.2 yamt lan9118_mac_writereg(sc, LAN9118_MAC_CR, cr); 662 1.1.2.2 yamt while (!(bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_INT_STS) & 663 1.1.2.2 yamt LAN9118_INT_RXSTOP_INT)); 664 1.1.2.2 yamt 665 1.1.2.2 yamt /* Clear RX Status/Data FIFOs */ 666 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_RX_CFG, 667 1.1.2.2 yamt LAN9118_RX_CFG_RX_DUMP); 668 1.1.2.3 yamt 669 1.1.2.3 yamt callout_stop(&sc->sc_tick); 670 1.1.2.2 yamt } 671 1.1.2.2 yamt 672 1.1.2.2 yamt static void 673 1.1.2.2 yamt lan9118_watchdog(struct ifnet *ifp) 674 1.1.2.2 yamt { 675 1.1.2.2 yamt struct lan9118_softc *sc = ifp->if_softc; 676 1.1.2.2 yamt 677 1.1.2.2 yamt /* 678 1.1.2.2 yamt * Reclaim first as there is a possibility of losing Tx completion 679 1.1.2.2 yamt * interrupts. 680 1.1.2.2 yamt */ 681 1.1.2.2 yamt lan9118_txintr(sc); 682 1.1.2.2 yamt 683 1.1.2.2 yamt aprint_error_ifnet(ifp, "watchdog timeout\n"); 684 1.1.2.2 yamt ifp->if_oerrors++; 685 1.1.2.2 yamt 686 1.1.2.2 yamt lan9118_init(ifp); 687 1.1.2.2 yamt } 688 1.1.2.2 yamt 689 1.1.2.2 yamt 690 1.1.2.2 yamt static int 691 1.1.2.2 yamt lan9118_ifm_change(struct ifnet *ifp) 692 1.1.2.2 yamt { 693 1.1.2.2 yamt struct lan9118_softc *sc = ifp->if_softc; 694 1.1.2.3 yamt struct mii_data *mii = &sc->sc_mii; 695 1.1.2.3 yamt struct ifmedia *ifm = &mii->mii_media; 696 1.1.2.2 yamt struct ifmedia_entry *ife = ifm->ifm_cur; 697 1.1.2.3 yamt uint32_t pmt_ctrl; 698 1.1.2.2 yamt 699 1.1.2.2 yamt DPRINTFN(3, ("%s: ifm inst %d\n", __func__, IFM_INST(ife->ifm_media))); 700 1.1.2.2 yamt 701 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_HW_CFG, 702 1.1.2.2 yamt LAN9118_HW_CFG_MBO | LAN9118_HW_CFG_PHY_CLK_SEL_CD); 703 1.1.2.2 yamt delay(1); /* Wait 5 cycle */ 704 1.1.2.2 yamt 705 1.1.2.2 yamt if (IFM_INST(ife->ifm_media) != 0) { 706 1.1.2.2 yamt /* Use External PHY */ 707 1.1.2.2 yamt 708 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_HW_CFG, 709 1.1.2.2 yamt LAN9118_HW_CFG_MBO | 710 1.1.2.2 yamt LAN9118_HW_CFG_PHY_CLK_SEL_EMII | 711 1.1.2.2 yamt LAN9118_HW_CFG_SMI_SEL | 712 1.1.2.2 yamt LAN9118_HW_CFG_EXT_PHY_EN); 713 1.1.2.2 yamt delay(1); 714 1.1.2.2 yamt return mii_mediachg(&sc->sc_mii); 715 1.1.2.2 yamt } 716 1.1.2.2 yamt 717 1.1.2.2 yamt /* Setup Internal PHY */ 718 1.1.2.2 yamt 719 1.1.2.3 yamt mii->mii_media_status = IFM_AVALID; 720 1.1.2.3 yamt mii->mii_media_active = IFM_ETHER; 721 1.1.2.3 yamt 722 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_HW_CFG, 723 1.1.2.2 yamt LAN9118_HW_CFG_MBO | 724 1.1.2.2 yamt LAN9118_HW_CFG_PHY_CLK_SEL_IPHY); 725 1.1.2.2 yamt delay(1); 726 1.1.2.2 yamt 727 1.1.2.2 yamt /* Reset PHY */ 728 1.1.2.2 yamt pmt_ctrl = bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_PMT_CTRL); 729 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_PMT_CTRL, 730 1.1.2.2 yamt pmt_ctrl | LAN9118_PMT_CTRL_PHY_RST); 731 1.1.2.2 yamt while (bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_PMT_CTRL) & 732 1.1.2.2 yamt LAN9118_PMT_CTRL_PHY_RST); 733 1.1.2.2 yamt 734 1.1.2.3 yamt mii_mediachg(&sc->sc_mii); 735 1.1.2.2 yamt return 0; 736 1.1.2.2 yamt } 737 1.1.2.2 yamt 738 1.1.2.2 yamt static void 739 1.1.2.2 yamt lan9118_ifm_status(struct ifnet *ifp, struct ifmediareq *ifmr) 740 1.1.2.2 yamt { 741 1.1.2.2 yamt struct lan9118_softc *sc = ifp->if_softc; 742 1.1.2.2 yamt struct mii_data *mii = &sc->sc_mii; 743 1.1.2.2 yamt 744 1.1.2.2 yamt DPRINTFN(3, ("%s\n", __func__)); 745 1.1.2.2 yamt 746 1.1.2.3 yamt mii_pollstat(mii); 747 1.1.2.3 yamt ifmr->ifm_active = mii->mii_media_active; 748 1.1.2.3 yamt ifmr->ifm_status = mii->mii_media_status; 749 1.1.2.2 yamt } 750 1.1.2.2 yamt 751 1.1.2.2 yamt 752 1.1.2.2 yamt static int 753 1.1.2.2 yamt lan9118_miibus_readreg(device_t dev, int phy, int reg) 754 1.1.2.2 yamt { 755 1.1.2.2 yamt 756 1.1.2.2 yamt return lan9118_mii_readreg(device_private(dev), phy, reg); 757 1.1.2.2 yamt } 758 1.1.2.2 yamt static void 759 1.1.2.2 yamt lan9118_miibus_writereg(device_t dev, int phy, int reg, int val) 760 1.1.2.2 yamt { 761 1.1.2.2 yamt 762 1.1.2.2 yamt lan9118_mii_writereg(device_private(dev), phy, reg, val); 763 1.1.2.2 yamt } 764 1.1.2.2 yamt 765 1.1.2.2 yamt static void 766 1.1.2.2 yamt lan9118_miibus_statchg(device_t dev) 767 1.1.2.2 yamt { 768 1.1.2.3 yamt struct lan9118_softc *sc = device_private(dev); 769 1.1.2.3 yamt u_int cr; 770 1.1.2.2 yamt 771 1.1.2.3 yamt cr = lan9118_mac_readreg(sc, LAN9118_MAC_CR); 772 1.1.2.3 yamt if (IFM_OPTIONS(sc->sc_mii.mii_media_active) & IFM_FDX) { 773 1.1.2.3 yamt cr &= ~LAN9118_MAC_CR_RCVOWN; 774 1.1.2.3 yamt cr |= LAN9118_MAC_CR_FDPX; 775 1.1.2.3 yamt } else { 776 1.1.2.3 yamt cr |= LAN9118_MAC_CR_RCVOWN; 777 1.1.2.3 yamt cr &= ~LAN9118_MAC_CR_FDPX; 778 1.1.2.3 yamt } 779 1.1.2.3 yamt lan9118_mac_writereg(sc, LAN9118_MAC_CR, cr); 780 1.1.2.2 yamt } 781 1.1.2.2 yamt 782 1.1.2.2 yamt 783 1.1.2.2 yamt static uint16_t 784 1.1.2.2 yamt lan9118_mii_readreg(struct lan9118_softc *sc, int phy, int reg) 785 1.1.2.2 yamt { 786 1.1.2.2 yamt uint32_t acc; 787 1.1.2.2 yamt 788 1.1.2.2 yamt while (lan9118_mac_readreg(sc, LAN9118_MII_ACC) & 789 1.1.2.2 yamt LAN9118_MII_ACC_MIIBZY); 790 1.1.2.3 yamt acc = LAN9118_MII_ACC_PHYA(phy) | LAN9118_MII_ACC_MIIRINDA(reg); 791 1.1.2.2 yamt lan9118_mac_writereg(sc, LAN9118_MII_ACC, acc); 792 1.1.2.2 yamt while (lan9118_mac_readreg(sc, LAN9118_MII_ACC) & 793 1.1.2.2 yamt LAN9118_MII_ACC_MIIBZY); 794 1.1.2.2 yamt return lan9118_mac_readreg(sc, LAN9118_MII_DATA); 795 1.1.2.2 yamt } 796 1.1.2.2 yamt 797 1.1.2.2 yamt static void 798 1.1.2.2 yamt lan9118_mii_writereg(struct lan9118_softc *sc, int phy, int reg, uint16_t val) 799 1.1.2.2 yamt { 800 1.1.2.2 yamt uint32_t acc; 801 1.1.2.2 yamt 802 1.1.2.2 yamt while (lan9118_mac_readreg(sc, LAN9118_MII_ACC) & 803 1.1.2.2 yamt LAN9118_MII_ACC_MIIBZY); 804 1.1.2.3 yamt acc = LAN9118_MII_ACC_PHYA(phy) | LAN9118_MII_ACC_MIIRINDA(reg) | 805 1.1.2.2 yamt LAN9118_MII_ACC_MIIWNR; 806 1.1.2.2 yamt lan9118_mac_writereg(sc, LAN9118_MII_DATA, val); 807 1.1.2.3 yamt lan9118_mac_writereg(sc, LAN9118_MII_ACC, acc); 808 1.1.2.2 yamt while (lan9118_mac_readreg(sc, LAN9118_MII_ACC) & 809 1.1.2.2 yamt LAN9118_MII_ACC_MIIBZY); 810 1.1.2.2 yamt } 811 1.1.2.2 yamt 812 1.1.2.2 yamt static uint32_t 813 1.1.2.2 yamt lan9118_mac_readreg(struct lan9118_softc *sc, int reg) 814 1.1.2.2 yamt { 815 1.1.2.2 yamt uint32_t cmd; 816 1.1.2.2 yamt int timo = 3 * 1000 * 1000; /* XXXX: 3sec */ 817 1.1.2.2 yamt 818 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_MAC_CSR_CMD, 819 1.1.2.2 yamt LAN9118_MAC_CSR_CMD_BUSY | LAN9118_MAC_CSR_CMD_R | reg); 820 1.1.2.2 yamt do { 821 1.1.2.2 yamt cmd = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 822 1.1.2.2 yamt LAN9118_MAC_CSR_CMD); 823 1.1.2.2 yamt if (!(cmd & LAN9118_MAC_CSR_CMD_BUSY)) 824 1.1.2.2 yamt break; 825 1.1.2.2 yamt delay(100); 826 1.1.2.2 yamt } while (timo -= 100); 827 1.1.2.2 yamt if (timo <= 0) 828 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, "%s: command busy\n", __func__); 829 1.1.2.2 yamt return bus_space_read_4(sc->sc_iot, sc->sc_ioh, LAN9118_MAC_CSR_DATA); 830 1.1.2.2 yamt } 831 1.1.2.2 yamt 832 1.1.2.2 yamt static void 833 1.1.2.2 yamt lan9118_mac_writereg(struct lan9118_softc *sc, int reg, uint32_t val) 834 1.1.2.2 yamt { 835 1.1.2.2 yamt uint32_t cmd; 836 1.1.2.2 yamt int timo = 3 * 1000 * 1000; /* XXXX: 3sec */ 837 1.1.2.2 yamt 838 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_MAC_CSR_DATA, val); 839 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_MAC_CSR_CMD, 840 1.1.2.2 yamt LAN9118_MAC_CSR_CMD_BUSY | LAN9118_MAC_CSR_CMD_W | reg); 841 1.1.2.2 yamt do { 842 1.1.2.2 yamt cmd = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 843 1.1.2.2 yamt LAN9118_MAC_CSR_CMD); 844 1.1.2.2 yamt if (!(cmd & LAN9118_MAC_CSR_CMD_BUSY)) 845 1.1.2.2 yamt break; 846 1.1.2.2 yamt delay(100); 847 1.1.2.2 yamt } while (timo -= 100); 848 1.1.2.2 yamt if (timo <= 0) 849 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, "%s: command busy\n", __func__); 850 1.1.2.2 yamt } 851 1.1.2.2 yamt 852 1.1.2.2 yamt 853 1.1.2.2 yamt static void 854 1.1.2.2 yamt lan9118_set_filter(struct lan9118_softc *sc) 855 1.1.2.2 yamt { 856 1.1.2.2 yamt struct ether_multistep step; 857 1.1.2.2 yamt struct ether_multi *enm; 858 1.1.2.2 yamt struct ifnet *ifp = &sc->sc_ec.ec_if; 859 1.1.2.2 yamt uint32_t mac_cr, h, hashes[2] = { 0, 0 }; 860 1.1.2.2 yamt 861 1.1.2.2 yamt mac_cr = lan9118_mac_readreg(sc, LAN9118_MAC_CR); 862 1.1.2.2 yamt if (ifp->if_flags & IFF_PROMISC) { 863 1.1.2.2 yamt lan9118_mac_writereg(sc, LAN9118_MAC_CR, 864 1.1.2.2 yamt mac_cr | LAN9118_MAC_CR_PRMS); 865 1.1.2.2 yamt return; 866 1.1.2.2 yamt } 867 1.1.2.2 yamt 868 1.1.2.2 yamt mac_cr &= ~(LAN9118_MAC_CR_PRMS | LAN9118_MAC_CR_MCPAS | 869 1.1.2.2 yamt LAN9118_MAC_CR_BCAST | LAN9118_MAC_CR_HPFILT); 870 1.1.2.2 yamt if (!(ifp->if_flags & IFF_BROADCAST)) 871 1.1.2.2 yamt mac_cr |= LAN9118_MAC_CR_BCAST; 872 1.1.2.2 yamt 873 1.1.2.2 yamt if (ifp->if_flags & IFF_ALLMULTI) 874 1.1.2.2 yamt mac_cr |= LAN9118_MAC_CR_MCPAS; 875 1.1.2.2 yamt else { 876 1.1.2.2 yamt ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 877 1.1.2.2 yamt while (enm != NULL) { 878 1.1.2.2 yamt if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 879 1.1.2.2 yamt ETHER_ADDR_LEN) != 0) { 880 1.1.2.2 yamt /* 881 1.1.2.2 yamt * We must listen to a range of multicast 882 1.1.2.2 yamt * addresses. For now, just accept all 883 1.1.2.2 yamt * multicasts, rather than trying to set 884 1.1.2.2 yamt * only those filter bits needed to match 885 1.1.2.2 yamt * the range. (At this time, the only use 886 1.1.2.2 yamt * of address ranges is for IP multicast 887 1.1.2.2 yamt * routing, for which the range is big enough 888 1.1.2.2 yamt * to require all bits set.) 889 1.1.2.2 yamt */ 890 1.1.2.2 yamt ifp->if_flags |= IFF_ALLMULTI; 891 1.1.2.2 yamt mac_cr |= LAN9118_MAC_CR_MCPAS; 892 1.1.2.2 yamt break; 893 1.1.2.2 yamt } 894 1.1.2.2 yamt h = ether_crc32_le(enm->enm_addrlo, 895 1.1.2.2 yamt ETHER_ADDR_LEN) >> 26; 896 1.1.2.2 yamt hashes[h >> 5] |= 1 << (h & 0x1f); 897 1.1.2.2 yamt 898 1.1.2.2 yamt mac_cr |= LAN9118_MAC_CR_HPFILT; 899 1.1.2.2 yamt ETHER_NEXT_MULTI(step, enm); 900 1.1.2.2 yamt } 901 1.1.2.2 yamt if (mac_cr & LAN9118_MAC_CR_HPFILT) { 902 1.1.2.2 yamt lan9118_mac_writereg(sc, LAN9118_HASHH, hashes[1]); 903 1.1.2.2 yamt lan9118_mac_writereg(sc, LAN9118_HASHL, hashes[0]); 904 1.1.2.2 yamt } 905 1.1.2.2 yamt } 906 1.1.2.2 yamt lan9118_mac_writereg(sc, LAN9118_MAC_CR, mac_cr); 907 1.1.2.2 yamt return; 908 1.1.2.2 yamt } 909 1.1.2.2 yamt 910 1.1.2.2 yamt static void 911 1.1.2.2 yamt lan9118_rxintr(struct lan9118_softc *sc) 912 1.1.2.2 yamt { 913 1.1.2.2 yamt struct ifnet *ifp = &sc->sc_ec.ec_if; 914 1.1.2.2 yamt struct mbuf *m; 915 1.1.2.2 yamt uint32_t rx_fifo_inf, rx_status; 916 1.1.2.2 yamt int pktlen; 917 1.1.2.2 yamt const int pad = ETHER_HDR_LEN % sizeof(uint32_t); 918 1.1.2.2 yamt 919 1.1.2.2 yamt DPRINTFN(3, ("%s\n", __func__)); 920 1.1.2.2 yamt 921 1.1.2.2 yamt for (;;) { 922 1.1.2.2 yamt rx_fifo_inf = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 923 1.1.2.2 yamt LAN9118_RX_FIFO_INF); 924 1.1.2.2 yamt if (LAN9118_RX_FIFO_INF_RXSUSED(rx_fifo_inf) == 0) 925 1.1.2.2 yamt break; 926 1.1.2.2 yamt 927 1.1.2.2 yamt rx_status = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 928 1.1.2.2 yamt LAN9118_RXSFIFOP); 929 1.1.2.2 yamt pktlen = LAN9118_RXS_PKTLEN(rx_status); 930 1.1.2.2 yamt DPRINTFN(3, ("%s: rx_status=0x%x(pktlen %d)\n", 931 1.1.2.2 yamt __func__, rx_status, pktlen)); 932 1.1.2.2 yamt if (rx_status & (LAN9118_RXS_ES | LAN9118_RXS_LENERR | 933 1.1.2.2 yamt LAN9118_RXS_RWTO | LAN9118_RXS_MIIERR | LAN9118_RXS_DBIT)) { 934 1.1.2.2 yamt if (rx_status & LAN9118_RXS_LENERR) 935 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, "Length Error\n"); 936 1.1.2.2 yamt if (rx_status & LAN9118_RXS_RUNTF) 937 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, "Runt Frame\n"); 938 1.1.2.2 yamt if (rx_status & LAN9118_RXS_FTL) 939 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, 940 1.1.2.2 yamt "Frame Too Long\n"); 941 1.1.2.2 yamt if (rx_status & LAN9118_RXS_RWTO) 942 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, 943 1.1.2.2 yamt "Receive Watchdog time-out\n"); 944 1.1.2.2 yamt if (rx_status & LAN9118_RXS_MIIERR) 945 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, "MII Error\n"); 946 1.1.2.2 yamt if (rx_status & LAN9118_RXS_DBIT) 947 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, "Drabbling Bit\n"); 948 1.1.2.2 yamt if (rx_status & LAN9118_RXS_COLS) 949 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, 950 1.1.2.2 yamt "Collision Seen\n"); 951 1.1.2.2 yamt if (rx_status & LAN9118_RXS_CRCERR) 952 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, "CRC Error\n"); 953 1.1.2.2 yamt 954 1.1.2.2 yamt dropit: 955 1.1.2.2 yamt ifp->if_ierrors++; 956 1.1.2.2 yamt /* 957 1.1.2.2 yamt * Receive Data FIFO Fast Forward 958 1.1.2.2 yamt * When performing a fast-forward, there must be at 959 1.1.2.2 yamt * least 4 DWORDs of data in the RX data FIFO for the 960 1.1.2.2 yamt * packet being discarded. 961 1.1.2.2 yamt */ 962 1.1.2.2 yamt if (pktlen >= 4 * sizeof(uint32_t)) { 963 1.1.2.2 yamt uint32_t rx_dp_ctl; 964 1.1.2.2 yamt 965 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, 966 1.1.2.2 yamt LAN9118_RX_DP_CTL, 967 1.1.2.2 yamt LAN9118_RX_DP_CTL_RX_FFWD); 968 1.1.2.2 yamt /* DP_FFWD bit is self clearing */ 969 1.1.2.2 yamt do { 970 1.1.2.2 yamt rx_dp_ctl = bus_space_read_4(sc->sc_iot, 971 1.1.2.2 yamt sc->sc_ioh, LAN9118_RX_DP_CTL); 972 1.1.2.2 yamt } while (rx_dp_ctl & LAN9118_RX_DP_CTL_RX_FFWD); 973 1.1.2.2 yamt } else { 974 1.1.2.2 yamt /* For less than 4 DWORDs do not use RX_FFWD. */ 975 1.1.2.2 yamt uint32_t garbage[4]; 976 1.1.2.2 yamt 977 1.1.2.2 yamt bus_space_read_multi_4(sc->sc_iot, sc->sc_ioh, 978 1.1.2.2 yamt LAN9118_RXDFIFOP, garbage, 979 1.1.2.2 yamt roundup(pktlen, 4) >> 2); 980 1.1.2.2 yamt } 981 1.1.2.2 yamt continue; 982 1.1.2.2 yamt } 983 1.1.2.2 yamt 984 1.1.2.2 yamt MGETHDR(m, M_DONTWAIT, MT_DATA); 985 1.1.2.2 yamt if (m == NULL) 986 1.1.2.2 yamt goto dropit; 987 1.1.2.2 yamt if (pktlen > (MHLEN - pad)) { 988 1.1.2.2 yamt MCLGET(m, M_DONTWAIT); 989 1.1.2.2 yamt if ((m->m_flags & M_EXT) == 0) { 990 1.1.2.2 yamt m_freem(m); 991 1.1.2.2 yamt goto dropit; 992 1.1.2.2 yamt } 993 1.1.2.2 yamt } 994 1.1.2.2 yamt 995 1.1.2.2 yamt /* STRICT_ALIGNMENT */ 996 1.1.2.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_ioh, LAN9118_RX_CFG, 997 1.1.2.2 yamt LAN9118_RX_CFG_RXEA_4B | LAN9118_RX_CFG_RXDOFF(pad)); 998 1.1.2.2 yamt bus_space_read_multi_4(sc->sc_iot, sc->sc_ioh, LAN9118_RXDFIFOP, 999 1.1.2.2 yamt mtod(m, uint32_t *), 1000 1.1.2.2 yamt roundup(pad + pktlen, sizeof(uint32_t)) >> 2); 1001 1.1.2.2 yamt m->m_data += pad; 1002 1.1.2.2 yamt 1003 1.1.2.2 yamt ifp->if_ipackets++; 1004 1.1.2.2 yamt m->m_pkthdr.rcvif = ifp; 1005 1.1.2.2 yamt m->m_pkthdr.len = m->m_len = (pktlen - ETHER_CRC_LEN); 1006 1.1.2.2 yamt 1007 1.1.2.2 yamt /* 1008 1.1.2.2 yamt * Pass this up to any BPF listeners, but only 1009 1.1.2.2 yamt * pass if up the stack if it's for us. 1010 1.1.2.2 yamt */ 1011 1.1.2.4 yamt bpf_mtap(ifp, m); 1012 1.1.2.2 yamt 1013 1.1.2.2 yamt /* Pass it on. */ 1014 1.1.2.2 yamt (*ifp->if_input)(ifp, m); 1015 1.1.2.2 yamt } 1016 1.1.2.2 yamt } 1017 1.1.2.2 yamt 1018 1.1.2.2 yamt static void 1019 1.1.2.2 yamt lan9118_txintr(struct lan9118_softc *sc) 1020 1.1.2.2 yamt { 1021 1.1.2.2 yamt struct ifnet *ifp = &sc->sc_ec.ec_if; 1022 1.1.2.2 yamt uint32_t tx_fifo_inf, tx_status; 1023 1.1.2.3 yamt int fdx = IFM_OPTIONS(sc->sc_mii.mii_media_active) & IFM_FDX; 1024 1.1.2.2 yamt int tdfree; 1025 1.1.2.2 yamt 1026 1.1.2.2 yamt DPRINTFN(3, ("%s\n", __func__)); 1027 1.1.2.2 yamt 1028 1.1.2.2 yamt for (;;) { 1029 1.1.2.2 yamt tx_fifo_inf = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 1030 1.1.2.2 yamt LAN9118_TX_FIFO_INF); 1031 1.1.2.2 yamt if (LAN9118_TX_FIFO_INF_TXSUSED(tx_fifo_inf) == 0) 1032 1.1.2.2 yamt break; 1033 1.1.2.2 yamt 1034 1.1.2.2 yamt tx_status = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 1035 1.1.2.2 yamt LAN9118_TXSFIFOP); 1036 1.1.2.2 yamt DPRINTFN(3, ("%s: tx_status=0x%x\n", __func__, tx_status)); 1037 1.1.2.2 yamt if (tx_status & LAN9118_TXS_ES) { 1038 1.1.2.2 yamt if (tx_status & LAN9118_TXS_LOC) 1039 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, 1040 1.1.2.2 yamt "Loss Of Carrier\n"); 1041 1.1.2.3 yamt if ((tx_status & LAN9118_TXS_NC) && !fdx) 1042 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, "No Carrier\n"); 1043 1.1.2.2 yamt if (tx_status & LAN9118_TXS_LCOL) 1044 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, 1045 1.1.2.2 yamt "Late Collision\n"); 1046 1.1.2.2 yamt if (tx_status & LAN9118_TXS_ECOL) { 1047 1.1.2.2 yamt /* Rearch 16 collision */ 1048 1.1.2.2 yamt ifp->if_collisions += 16; 1049 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, 1050 1.1.2.2 yamt "Excessive Collision\n"); 1051 1.1.2.2 yamt } 1052 1.1.2.2 yamt if (LAN9118_TXS_COLCNT(tx_status) != 0) 1053 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, 1054 1.1.2.2 yamt "Collision Count: %d\n", 1055 1.1.2.2 yamt LAN9118_TXS_COLCNT(tx_status)); 1056 1.1.2.2 yamt if (tx_status & LAN9118_TXS_ED) 1057 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, 1058 1.1.2.2 yamt "Excessive Deferral\n"); 1059 1.1.2.2 yamt if (tx_status & LAN9118_TXS_DEFERRED) 1060 1.1.2.2 yamt aprint_error_dev(sc->sc_dev, "Deferred\n"); 1061 1.1.2.2 yamt ifp->if_oerrors++; 1062 1.1.2.2 yamt } else 1063 1.1.2.2 yamt ifp->if_opackets++; 1064 1.1.2.2 yamt } 1065 1.1.2.2 yamt 1066 1.1.2.2 yamt tdfree = LAN9118_TX_FIFO_INF_TDFREE(tx_fifo_inf); 1067 1.1.2.2 yamt if (tdfree == LAN9118_TX_DATA_FIFO_SIZE) 1068 1.1.2.2 yamt /* FIFO empty */ 1069 1.1.2.2 yamt ifp->if_timer = 0; 1070 1.1.2.2 yamt if (tdfree >= 2036) 1071 1.1.2.2 yamt /* 1072 1.1.2.2 yamt * 2036 is the possible maximum FIFO consumption 1073 1.1.2.2 yamt * for the most fragmented frame. 1074 1.1.2.2 yamt */ 1075 1.1.2.2 yamt ifp->if_flags &= ~IFF_OACTIVE; 1076 1.1.2.2 yamt } 1077 1.1.2.3 yamt 1078 1.1.2.3 yamt void 1079 1.1.2.3 yamt lan9118_tick(void *v) 1080 1.1.2.3 yamt { 1081 1.1.2.3 yamt struct lan9118_softc *sc = v; 1082 1.1.2.3 yamt int s; 1083 1.1.2.3 yamt 1084 1.1.2.3 yamt s = splnet(); 1085 1.1.2.3 yamt mii_tick(&sc->sc_mii); 1086 1.1.2.3 yamt callout_schedule(&sc->sc_tick, hz); 1087 1.1.2.3 yamt splx(s); 1088 1.1.2.3 yamt } 1089
Indexes created Thu Oct 23 22:10:10 GMT 2025