The branch main has been updated by jhibbits: URL: https://cgit.FreeBSD.org/src/commit/?id=44e65355a35b99812a9655b31f2f54aed6d79292
commit 44e65355a35b99812a9655b31f2f54aed6d79292 Author: Justin Hibbits <[email protected]> AuthorDate: 2022-03-01 15:54:11 +0000 Commit: Justin Hibbits <[email protected]> CommitDate: 2023-01-31 21:26:34 +0000 Mechanically convert if_cas(4) to IfAPI Sponsored by: Juniper Networks, Inc. Differential Revision: https://reviews.freebsd.org/D37793 --- sys/dev/cas/if_cas.c | 177 ++++++++++++++++++++++++------------------------ sys/dev/cas/if_casvar.h | 2 +- 2 files changed, 89 insertions(+), 90 deletions(-) diff --git a/sys/dev/cas/if_cas.c b/sys/dev/cas/if_cas.c index b6792cbe097e..f106c606ffb1 100644 --- a/sys/dev/cas/if_cas.c +++ b/sys/dev/cas/if_cas.c @@ -141,10 +141,10 @@ static void cas_init_locked(struct cas_softc *sc); static void cas_init_regs(struct cas_softc *sc); static int cas_intr(void *v); static void cas_intr_task(void *arg, int pending __unused); -static int cas_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data); +static int cas_ioctl(if_t ifp, u_long cmd, caddr_t data); static int cas_load_txmbuf(struct cas_softc *sc, struct mbuf **m_head); -static int cas_mediachange(struct ifnet *ifp); -static void cas_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr); +static int cas_mediachange(if_t ifp); +static void cas_mediastatus(if_t ifp, struct ifmediareq *ifmr); static void cas_meminit(struct cas_softc *sc); static void cas_mifinit(struct cas_softc *sc); static int cas_mii_readreg(device_t dev, int phy, int reg); @@ -163,8 +163,8 @@ static u_int cas_rxcompsize(u_int sz); static void cas_rxdma_callback(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); static void cas_setladrf(struct cas_softc *sc); -static void cas_start(struct ifnet *ifp); -static void cas_stop(struct ifnet *ifp); +static void cas_start(if_t ifp); +static void cas_stop(if_t ifp); static void cas_suspend(struct cas_softc *sc); static void cas_tick(void *arg); static void cas_tint(struct cas_softc *sc); @@ -184,7 +184,7 @@ static int cas_attach(struct cas_softc *sc) { struct cas_txsoft *txs; - struct ifnet *ifp; + if_t ifp; int error, i; uint32_t v; @@ -192,16 +192,15 @@ cas_attach(struct cas_softc *sc) ifp = sc->sc_ifp = if_alloc(IFT_ETHER); if (ifp == NULL) return (ENOSPC); - ifp->if_softc = sc; + if_setsoftc(ifp, sc); if_initname(ifp, device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev)); - ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; - ifp->if_start = cas_start; - ifp->if_ioctl = cas_ioctl; - ifp->if_init = cas_init; - IFQ_SET_MAXLEN(&ifp->if_snd, CAS_TXQUEUELEN); - ifp->if_snd.ifq_drv_maxlen = CAS_TXQUEUELEN; - IFQ_SET_READY(&ifp->if_snd); + if_setflags(ifp, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST); + if_setstartfn(ifp, cas_start); + if_setioctlfn(ifp, cas_ioctl); + if_setinitfn(ifp, cas_init); + if_setsendqlen(ifp, CAS_TXQUEUELEN); + if_setsendqready(ifp); callout_init_mtx(&sc->sc_tick_ch, &sc->sc_mtx, 0); callout_init_mtx(&sc->sc_rx_ch, &sc->sc_mtx, 0); @@ -423,13 +422,13 @@ cas_attach(struct cas_softc *sc) /* * Tell the upper layer(s) we support long frames/checksum offloads. */ - ifp->if_hdrlen = sizeof(struct ether_vlan_header); - ifp->if_capabilities = IFCAP_VLAN_MTU; + if_setifheaderlen(ifp, sizeof(struct ether_vlan_header)); + if_setcapabilities(ifp, IFCAP_VLAN_MTU); if ((sc->sc_flags & CAS_NO_CSUM) == 0) { - ifp->if_capabilities |= IFCAP_HWCSUM; - ifp->if_hwassist = CAS_CSUM_FEATURES; + if_setcapabilitiesbit(ifp, IFCAP_HWCSUM, 0); + if_sethwassist(ifp, CAS_CSUM_FEATURES); } - ifp->if_capenable = ifp->if_capabilities; + if_setcapenable(ifp, if_getcapabilities(ifp)); return (0); @@ -475,7 +474,7 @@ cas_attach(struct cas_softc *sc) static void cas_detach(struct cas_softc *sc) { - struct ifnet *ifp = sc->sc_ifp; + if_t ifp = sc->sc_ifp; int i; ether_ifdetach(ifp); @@ -521,7 +520,7 @@ cas_detach(struct cas_softc *sc) static void cas_suspend(struct cas_softc *sc) { - struct ifnet *ifp = sc->sc_ifp; + if_t ifp = sc->sc_ifp; CAS_LOCK(sc); cas_stop(ifp); @@ -531,7 +530,7 @@ cas_suspend(struct cas_softc *sc) static void cas_resume(struct cas_softc *sc) { - struct ifnet *ifp = sc->sc_ifp; + if_t ifp = sc->sc_ifp; CAS_LOCK(sc); /* @@ -539,7 +538,7 @@ cas_resume(struct cas_softc *sc) * after power-on. */ sc->sc_flags &= ~CAS_INITED; - if (ifp->if_flags & IFF_UP) + if (if_getflags(ifp) & IFF_UP) cas_init_locked(sc); CAS_UNLOCK(sc); } @@ -634,7 +633,7 @@ static void cas_tick(void *arg) { struct cas_softc *sc = arg; - struct ifnet *ifp = sc->sc_ifp; + if_t ifp = sc->sc_ifp; uint32_t v; CAS_LOCK_ASSERT(sc, MA_OWNED); @@ -718,9 +717,9 @@ cas_reset(struct cas_softc *sc) } static void -cas_stop(struct ifnet *ifp) +cas_stop(if_t ifp) { - struct cas_softc *sc = ifp->if_softc; + struct cas_softc *sc = if_getsoftc(ifp); struct cas_txsoft *txs; #ifdef CAS_DEBUG @@ -756,7 +755,7 @@ cas_stop(struct ifnet *ifp) /* * Mark the interface down and cancel the watchdog timer. */ - ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); + if_setdrvflagbits(ifp, 0, (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)); sc->sc_flags &= ~CAS_LINK; sc->sc_wdog_timer = 0; } @@ -967,12 +966,12 @@ cas_init(void *xsc) static void cas_init_locked(struct cas_softc *sc) { - struct ifnet *ifp = sc->sc_ifp; + if_t ifp = sc->sc_ifp; uint32_t v; CAS_LOCK_ASSERT(sc, MA_OWNED); - if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) + if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) != 0) return; #ifdef CAS_DEBUG @@ -1170,8 +1169,8 @@ cas_init_locked(struct cas_softc *sc) if ((sc->sc_flags & CAS_REG_PLUS) != 0) CAS_WRITE_4(sc, CAS_RX_KICK2, CAS_NRXDESC2 - 4); - ifp->if_drv_flags |= IFF_DRV_RUNNING; - ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; + if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0); + if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE); mii_mediachg(sc->sc_mii); @@ -1326,7 +1325,7 @@ static void cas_init_regs(struct cas_softc *sc) { int i; - const u_char *laddr = IF_LLADDR(sc->sc_ifp); + const u_char *laddr = if_getlladdr(sc->sc_ifp); CAS_LOCK_ASSERT(sc, MA_OWNED); @@ -1408,9 +1407,9 @@ cas_init_regs(struct cas_softc *sc) static void cas_tx_task(void *arg, int pending __unused) { - struct ifnet *ifp; + if_t ifp; - ifp = (struct ifnet *)arg; + ifp = (if_t)arg; cas_start(ifp); } @@ -1433,15 +1432,15 @@ cas_txkick(struct cas_softc *sc) } static void -cas_start(struct ifnet *ifp) +cas_start(if_t ifp) { - struct cas_softc *sc = ifp->if_softc; + struct cas_softc *sc = if_getsoftc(ifp); struct mbuf *m; int kicked, ntx; CAS_LOCK(sc); - if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != + if ((if_getdrvflags(ifp) & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != IFF_DRV_RUNNING || (sc->sc_flags & CAS_LINK) == 0) { CAS_UNLOCK(sc); return; @@ -1457,15 +1456,15 @@ cas_start(struct ifnet *ifp) #endif ntx = 0; kicked = 0; - for (; !IFQ_DRV_IS_EMPTY(&ifp->if_snd) && sc->sc_txfree > 1;) { - IFQ_DRV_DEQUEUE(&ifp->if_snd, m); + for (; !if_sendq_empty(ifp) && sc->sc_txfree > 1;) { + m = if_dequeue(ifp); if (m == NULL) break; if (cas_load_txmbuf(sc, &m) != 0) { if (m == NULL) break; - ifp->if_drv_flags |= IFF_DRV_OACTIVE; - IFQ_DRV_PREPEND(&ifp->if_snd, m); + if_setdrvflagbits(ifp, IFF_DRV_OACTIVE, 0); + if_sendq_prepend(ifp, m); break; } if ((sc->sc_txnext % 4) == 0) { @@ -1500,7 +1499,7 @@ cas_start(struct ifnet *ifp) static void cas_tint(struct cas_softc *sc) { - struct ifnet *ifp = sc->sc_ifp; + if_t ifp = sc->sc_ifp; struct cas_txsoft *txs; int progress; uint32_t txlast; @@ -1520,7 +1519,7 @@ cas_tint(struct cas_softc *sc) CAS_CDSYNC(sc, BUS_DMASYNC_POSTREAD); while ((txs = STAILQ_FIRST(&sc->sc_txdirtyq)) != NULL) { #ifdef CAS_DEBUG - if ((ifp->if_flags & IFF_DEBUG) != 0) { + if ((if_getflags(ifp) & IFF_DEBUG) != 0) { printf(" txsoft %p transmit chain:\n", txs); for (i = txs->txs_firstdesc;; i = CAS_NEXTTX(i)) { printf("descriptor %d: ", i); @@ -1592,7 +1591,7 @@ cas_tint(struct cas_softc *sc) if (progress) { /* We freed some descriptors, so reset IFF_DRV_OACTIVE. */ - ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; + if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE); if (STAILQ_EMPTY(&sc->sc_txdirtyq)) sc->sc_wdog_timer = 0; } @@ -1620,7 +1619,7 @@ static void cas_rint(struct cas_softc *sc) { struct cas_rxdsoft *rxds, *rxds2; - struct ifnet *ifp = sc->sc_ifp; + if_t ifp = sc->sc_ifp; struct mbuf *m, *m2; uint64_t word1, word2, word3 __unused, word4; uint32_t rxhead; @@ -1672,7 +1671,7 @@ cas_rint(struct cas_softc *sc) WORDTOH(4); #ifdef CAS_DEBUG - if ((ifp->if_flags & IFF_DEBUG) != 0) { + if ((if_getflags(ifp) & IFF_DEBUG) != 0) { printf(" completion %d: ", sc->sc_rxcptr); PRINTWORD(1, '\t'); PRINTWORD(2, '\t'); @@ -1744,12 +1743,12 @@ cas_rint(struct cas_softc *sc) m->m_pkthdr.rcvif = ifp; m->m_pkthdr.len = m->m_len = len; if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); - if ((ifp->if_capenable & IFCAP_RXCSUM) != 0) + if ((if_getcapenable(ifp) & IFCAP_RXCSUM) != 0) cas_rxcksum(m, CAS_GET(word4, CAS_RC4_TCP_CSUM)); /* Pass it on. */ CAS_UNLOCK(sc); - (*ifp->if_input)(ifp, m); + if_input(ifp, m); CAS_LOCK(sc); } else if_inc_counter(ifp, IFCOUNTER_IQDROPS, 1); @@ -1828,12 +1827,12 @@ cas_rint(struct cas_softc *sc) m->m_pkthdr.rcvif = ifp; m->m_pkthdr.len = len; if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); - if ((ifp->if_capenable & IFCAP_RXCSUM) != 0) + if ((if_getcapenable(ifp) & IFCAP_RXCSUM) != 0) cas_rxcksum(m, CAS_GET(word4, CAS_RC4_TCP_CSUM)); /* Pass it on. */ CAS_UNLOCK(sc); - (*ifp->if_input)(ifp, m); + if_input(ifp, m); CAS_LOCK(sc); } else if_inc_counter(ifp, IFCOUNTER_IQDROPS, 1); @@ -1850,7 +1849,7 @@ cas_rint(struct cas_softc *sc) skip: cas_rxcompinit(&sc->sc_rxcomps[sc->sc_rxcptr]); - if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) + if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0) break; } CAS_CDSYNC(sc, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); @@ -1918,7 +1917,7 @@ cas_add_rxdesc(struct cas_softc *sc, u_int idx) static void cas_eint(struct cas_softc *sc, u_int status) { - struct ifnet *ifp = sc->sc_ifp; + if_t ifp = sc->sc_ifp; CAS_LOCK_ASSERT(sc, MA_OWNED); @@ -1936,9 +1935,9 @@ cas_eint(struct cas_softc *sc, u_int status) } printf("\n"); - ifp->if_drv_flags &= ~IFF_DRV_RUNNING; + if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING); cas_init_locked(sc); - if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) + if (!if_sendq_empty(ifp)) taskqueue_enqueue(sc->sc_tq, &sc->sc_tx_task); } @@ -1962,12 +1961,12 @@ static void cas_intr_task(void *arg, int pending __unused) { struct cas_softc *sc = arg; - struct ifnet *ifp = sc->sc_ifp; + if_t ifp = sc->sc_ifp; uint32_t status, status2; CAS_LOCK_ASSERT(sc, MA_NOTOWNED); - if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) + if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0) return; status = CAS_READ_4(sc, CAS_STATUS); @@ -2054,10 +2053,10 @@ cas_intr_task(void *arg, int pending __unused) (CAS_INTR_TX_INT_ME | CAS_INTR_TX_ALL | CAS_INTR_TX_DONE)) != 0) cas_tint(sc); - if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { + if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0) { CAS_UNLOCK(sc); return; - } else if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) + } else if (!if_sendq_empty(ifp)) taskqueue_enqueue(sc->sc_tq, &sc->sc_tx_task); CAS_UNLOCK(sc); @@ -2084,7 +2083,7 @@ cas_intr_task(void *arg, int pending __unused) static void cas_watchdog(struct cas_softc *sc) { - struct ifnet *ifp = sc->sc_ifp; + if_t ifp = sc->sc_ifp; CAS_LOCK_ASSERT(sc, MA_OWNED); @@ -2111,9 +2110,9 @@ cas_watchdog(struct cas_softc *sc) if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); /* Try to get more packets going. */ - ifp->if_drv_flags &= ~IFF_DRV_RUNNING; + if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING); cas_init_locked(sc); - if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) + if (!if_sendq_empty(ifp)) taskqueue_enqueue(sc->sc_tq, &sc->sc_tx_task); } @@ -2283,7 +2282,7 @@ static void cas_mii_statchg(device_t dev) { struct cas_softc *sc; - struct ifnet *ifp; + if_t ifp; int gigabit; uint32_t rxcfg, txcfg, v; @@ -2293,7 +2292,7 @@ cas_mii_statchg(device_t dev) CAS_LOCK_ASSERT(sc, MA_OWNED); #ifdef CAS_DEBUG - if ((ifp->if_flags & IFF_DEBUG) != 0) + if ((if_getflags(ifp) & IFF_DEBUG) != 0) device_printf(sc->sc_dev, "%s: status changen", __func__); #endif @@ -2355,11 +2354,11 @@ cas_mii_statchg(device_t dev) * hardware checksumming in half-duplex mode though. */ if ((IFM_OPTIONS(sc->sc_mii->mii_media_active) & IFM_FDX) == 0) { - ifp->if_capenable &= ~IFCAP_HWCSUM; - ifp->if_hwassist = 0; + if_setcapenablebit(ifp, 0, IFCAP_HWCSUM); + if_sethwassist(ifp, 0); } else if ((sc->sc_flags & CAS_NO_CSUM) == 0) { - ifp->if_capenable = ifp->if_capabilities; - ifp->if_hwassist = CAS_CSUM_FEATURES; + if_setcapenable(ifp, if_getcapabilities(ifp)); + if_sethwassist(ifp, CAS_CSUM_FEATURES); } if (sc->sc_variant == CAS_SATURN) { @@ -2392,7 +2391,7 @@ cas_mii_statchg(device_t dev) CAS_WRITE_4(sc, CAS_MAC_XIF_CONF, v); sc->sc_mac_rxcfg = rxcfg; - if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0 && + if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) != 0 && (sc->sc_flags & CAS_LINK) != 0) { CAS_WRITE_4(sc, CAS_MAC_TX_CONF, txcfg | CAS_MAC_TX_CONF_EN); @@ -2402,9 +2401,9 @@ cas_mii_statchg(device_t dev) } static int -cas_mediachange(struct ifnet *ifp) +cas_mediachange(if_t ifp) { - struct cas_softc *sc = ifp->if_softc; + struct cas_softc *sc = if_getsoftc(ifp); int error; /* XXX add support for serial media. */ @@ -2416,12 +2415,12 @@ cas_mediachange(struct ifnet *ifp) } static void -cas_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) +cas_mediastatus(if_t ifp, struct ifmediareq *ifmr) { - struct cas_softc *sc = ifp->if_softc; + struct cas_softc *sc = if_getsoftc(ifp); CAS_LOCK(sc); - if ((ifp->if_flags & IFF_UP) == 0) { + if ((if_getflags(ifp) & IFF_UP) == 0) { CAS_UNLOCK(sc); return; } @@ -2433,9 +2432,9 @@ cas_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) } static int -cas_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) +cas_ioctl(if_t ifp, u_long cmd, caddr_t data) { - struct cas_softc *sc = ifp->if_softc; + struct cas_softc *sc = if_getsoftc(ifp); struct ifreq *ifr = (struct ifreq *)data; int error; @@ -2443,16 +2442,16 @@ cas_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) switch (cmd) { case SIOCSIFFLAGS: CAS_LOCK(sc); - if ((ifp->if_flags & IFF_UP) != 0) { - if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0 && - ((ifp->if_flags ^ sc->sc_ifflags) & + if ((if_getflags(ifp) & IFF_UP) != 0) { + if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) != 0 && + ((if_getflags(ifp) ^ sc->sc_ifflags) & (IFF_ALLMULTI | IFF_PROMISC)) != 0) cas_setladrf(sc); else cas_init_locked(sc); - } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) + } else if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) != 0) cas_stop(ifp); - sc->sc_ifflags = ifp->if_flags; + sc->sc_ifflags = if_getflags(ifp); CAS_UNLOCK(sc); break; case SIOCSIFCAP: @@ -2462,17 +2461,17 @@ cas_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) CAS_UNLOCK(sc); break; } - ifp->if_capenable = ifr->ifr_reqcap; - if ((ifp->if_capenable & IFCAP_TXCSUM) != 0) - ifp->if_hwassist = CAS_CSUM_FEATURES; + if_setcapenable(ifp, ifr->ifr_reqcap); + if ((if_getcapenable(ifp) & IFCAP_TXCSUM) != 0) + if_sethwassist(ifp, CAS_CSUM_FEATURES); else - ifp->if_hwassist = 0; + if_sethwassist(ifp, 0); CAS_UNLOCK(sc); break; case SIOCADDMULTI: case SIOCDELMULTI: CAS_LOCK(sc); - if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) + if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) != 0) cas_setladrf(sc); CAS_UNLOCK(sc); break; @@ -2481,7 +2480,7 @@ cas_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) (ifr->ifr_mtu > ETHERMTU_JUMBO)) error = EINVAL; else - ifp->if_mtu = ifr->ifr_mtu; + if_setmtu(ifp, ifr->ifr_mtu); break; case SIOCGIFMEDIA: case SIOCSIFMEDIA: @@ -2512,7 +2511,7 @@ cas_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt) static void cas_setladrf(struct cas_softc *sc) { - struct ifnet *ifp = sc->sc_ifp; + if_t ifp = sc->sc_ifp; int i; uint32_t hash[16]; uint32_t v; @@ -2534,11 +2533,11 @@ cas_setladrf(struct cas_softc *sc) "cannot disable RX MAC or hash filter\n"); v &= ~(CAS_MAC_RX_CONF_PROMISC | CAS_MAC_RX_CONF_PGRP); - if ((ifp->if_flags & IFF_PROMISC) != 0) { + if ((if_getflags(ifp) & IFF_PROMISC) != 0) { v |= CAS_MAC_RX_CONF_PROMISC; goto chipit; } - if ((ifp->if_flags & IFF_ALLMULTI) != 0) { + if ((if_getflags(ifp) & IFF_ALLMULTI) != 0) { v |= CAS_MAC_RX_CONF_PGRP; goto chipit; } diff --git a/sys/dev/cas/if_casvar.h b/sys/dev/cas/if_casvar.h index 98a7bed3336d..54ce7b6357f4 100644 --- a/sys/dev/cas/if_casvar.h +++ b/sys/dev/cas/if_casvar.h @@ -128,7 +128,7 @@ struct cas_rxdsoft { * software state per device */ struct cas_softc { - struct ifnet *sc_ifp; + if_t sc_ifp; struct mtx sc_mtx; device_t sc_miibus; struct mii_data *sc_mii; /* MII media control */
