diff options
author | Jason Wright <jason@cvs.openbsd.org> | 2001-10-02 15:24:10 +0000 |
---|---|---|
committer | Jason Wright <jason@cvs.openbsd.org> | 2001-10-02 15:24:10 +0000 |
commit | 50caab5e44bc708dd9d47fd4053961ab01ca9ce3 (patch) | |
tree | 82bc4429abe4577da9ae2d319052c20158b2f4de /sys/dev/ic | |
parent | 84410cfd03dbc69a9573839e2563633d46296b9c (diff) |
increase rx descriptors, remove some debugging code, deal with different endian; NetBSD
general cleanup; me.
Diffstat (limited to 'sys/dev/ic')
-rw-r--r-- | sys/dev/ic/gem.c | 256 | ||||
-rw-r--r-- | sys/dev/ic/gemvar.h | 28 |
2 files changed, 26 insertions, 258 deletions
diff --git a/sys/dev/ic/gem.c b/sys/dev/ic/gem.c index 79294b435de..a1277d9c418 100644 --- a/sys/dev/ic/gem.c +++ b/sys/dev/ic/gem.c @@ -1,4 +1,4 @@ -/* $OpenBSD: gem.c,v 1.9 2001/09/29 16:43:15 art Exp $ */ +/* $OpenBSD: gem.c,v 1.10 2001/10/02 15:24:09 jason Exp $ */ /* $NetBSD: gem.c,v 1.1 2001/09/16 00:11:43 eeh Exp $ */ /* @@ -34,9 +34,6 @@ * Driver for Sun GEM ethernet controllers. */ -#define GEM_DEBUG -int gem_opdebug = 0; - #include "bpfilter.h" #include "vlan.h" @@ -128,12 +125,6 @@ void gem_power __P((int, void *)); static int ether_cmp __P((u_char *, u_char *)); -/* Default buffer copy routines */ -void gem_copytobuf_contig __P((struct gem_softc *, void *, int, int)); -void gem_copyfrombuf_contig __P((struct gem_softc *, void *, int, int)); -void gem_zerobuf_contig __P((struct gem_softc *, int, int)); - - #ifdef GEM_DEBUG #define DPRINTF(sc, x) if ((sc)->sc_arpcom.ac_if.if_flags & IFF_DEBUG) \ printf x @@ -174,7 +165,7 @@ gem_config(sc) goto fail_0; } -/* XXX should map this in with correct endianness */ + /* XXX should map this in with correct endianness */ if ((error = bus_dmamem_map(sc->sc_dmatag, &sc->sc_cdseg, sc->sc_cdnseg, sizeof(struct gem_control_data), (caddr_t *)&sc->sc_control_data, BUS_DMA_COHERENT)) != 0) { @@ -241,7 +232,6 @@ gem_config(sc) * before this point releases all resources that may have been * allocated. */ - sc->sc_flags |= GEMF_ATTACHED; /* Announce ourselves. */ printf("%s: Ethernet address %s\n", sc->sc_dev.dv_xname, @@ -336,18 +326,6 @@ gem_config(sc) if (sc->sc_sh == NULL) panic("gem_config: can't establish shutdownhook"); - -#if notyet - /* - * Add a suspend hook to make sure we come back up after a - * resume. - */ - sc->sc_powerhook = powerhook_establish(gem_power, sc); - if (sc->sc_powerhook == NULL) - printf("%s: WARNING: unable to establish power hook\n", - sc->sc_dev.dv_xname); -#endif - timeout_set(&sc->sc_tick_ch, gem_tick, sc); return; @@ -453,7 +431,6 @@ gem_stop(struct ifnet *ifp, int disable) struct gem_softc *sc = (struct gem_softc *)ifp->if_softc; struct gem_txsoft *txs; -if (gem_opdebug) printf("in stop %d\n", disable); DPRINTF(sc, ("%s: gem_stop\n", sc->sc_dev.dv_xname)); timeout_del(&sc->sc_tick_ch); @@ -733,7 +710,6 @@ gem_init(struct ifnet *ifp) /* step 1 & 2. Reset the Ethernet Channel */ gem_stop(ifp, 0); -if (gem_opdebug) printf("in init\n"); gem_reset(sc); DPRINTF(sc, ("%s: gem_init: restarting\n", sc->sc_dev.dv_xname)); @@ -775,27 +751,7 @@ if (gem_opdebug) printf("in init\n"); bus_space_write_4(t, h, GEM_MAC_RX_MASK, 0); /* XXXX */ bus_space_write_4(t, h, GEM_MAC_TX_MASK, 0xffff); /* XXXX */ bus_space_write_4(t, h, GEM_MAC_CONTROL_MASK, 0); /* XXXX */ -#if 0 - if (!sc->sc_pci) { - /* Config SBus */ - switch (sc->sc_burst) { - default: - v = 0; - break; - case 16: - v = GEM_SEB_CFG_BURST16; - break; - case 32: - v = GEM_SEB_CFG_BURST32; - break; - case 64: - v = GEM_SEB_CFG_BURST64; - break; - } - bus_space_write_4(t, seb, GEM_SEBI_CFG, - v|GE_SIOCFG_PARITY|GE_SIOCFG_BMODE64); - } -#endif + /* step 9. ETX Configuration: use mostly default values */ /* Enable DMA */ @@ -825,9 +781,6 @@ if (gem_opdebug) printf("in init\n"); /* step 11. Configure Media */ gem_mii_statchg(&sc->sc_dev); -/* XXXX Serial link needs a whole different setup. */ - - /* step 12. RX_MAC Configuration Register */ v = bus_space_read_4(t, h, GEM_MAC_RX_CONFIG); v |= GEM_MAC_RX_ENABLE; @@ -931,11 +884,7 @@ gem_init_regs(struct gem_softc *sc) bus_space_write_4(t, h, GEM_MAC_RX_CODE_VIOL, 0); /* Un-pause stuff */ -#if 0 - bus_space_write_4(t, h, GEM_MAC_SEND_PAUSE_CMD, 0x1BF0); -#else bus_space_write_4(t, h, GEM_MAC_SEND_PAUSE_CMD, 0); -#endif /* * Set the station address. @@ -961,9 +910,6 @@ gem_start(ifp) bus_dmamap_t dmamap; int error, firsttx, nexttx, lasttx, ofree, seg; -if (gem_opdebug) printf("in start free %x next %x kick %x\n", -sc->sc_txfree, sc->sc_txnext, -bus_space_read_4(sc->sc_bustag, sc->sc_h, GEM_TX_KICK)); if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) return; @@ -1079,16 +1025,14 @@ bus_space_read_4(sc->sc_bustag, sc->sc_h, GEM_TX_KICK)); * to do it. */ sc->sc_txdescs[nexttx].gd_addr = - htole64(dmamap->dm_segs[seg].ds_addr); + GEM_DMA_WRITE(sc, dmamap->dm_segs[seg].ds_addr); flags = dmamap->dm_segs[seg].ds_len & GEM_TD_BUFSIZE; - if (nexttx == firsttx) { + if (nexttx == firsttx) flags |= GEM_TD_START_OF_PACKET; - } - if (seg == dmamap->dm_nsegs - 1) { + if (seg == dmamap->dm_nsegs - 1) flags |= GEM_TD_END_OF_PACKET; - } sc->sc_txdescs[nexttx].gd_flags = - htole64(flags); + GEM_DMA_WRITE(sc, flags); lasttx = nexttx; } @@ -1098,9 +1042,9 @@ bus_space_read_4(sc->sc_bustag, sc->sc_h, GEM_TX_KICK)); for (seg = sc->sc_txnext;; seg = GEM_NEXTTX(seg)) { printf("descriptor %d:\t", seg); printf("gd_flags: 0x%016llx\t", (long long) - letoh64(sc->sc_txdescs[seg].gd_flags)); + GEM_DMA_READ(sc, sc->sc_txdescs[seg].gd_flags)); printf("gd_addr: 0x%016llx\n", (long long) - letoh64(sc->sc_txdescs[seg].gd_addr)); + GEM_DMA_READ(sc, sc->sc_txdescs[seg].gd_addr)); if (seg == lasttx) break; } @@ -1147,43 +1091,14 @@ bus_space_read_4(sc->sc_bustag, sc->sc_h, GEM_TX_KICK)); if (sc->sc_txfree != ofree) { DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", sc->sc_dev.dv_xname, lasttx, firsttx)); -#if 0 - /* - * Cause a transmit interrupt to happen on the - * last packet we enqueued. - */ - sc->sc_txdescs[lasttx].gd_flags |= htole64(GEM_TD_INTERRUPT_ME); - GEM_CDTXSYNC(sc, lasttx, 1, - BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); -#endif /* * The entire packet chain is set up. * Kick the transmitter. */ DPRINTF(sc, ("%s: gem_start: kicking tx %d\n", sc->sc_dev.dv_xname, nexttx)); -if (gem_opdebug) { - int i; - int64_t pa; - i = bus_space_read_4(sc->sc_bustag, sc->sc_h, GEM_TX_KICK); - printf("GEM_TX_KICK %x GEM_TX_DATA_PTR %llx GEM_TX_RING_PTR %llx\n", - i, - (long long)bus_space_read_4(sc->sc_bustag, sc->sc_h, GEM_TX_DATA_PTR), - (long long)bus_space_read_8(sc->sc_bustag, sc->sc_h, GEM_TX_RING_PTR)); - printf("descriptor %d: ", (i = lasttx)); - printf("gd_flags: 0x%016llx\t", (long long) - letoh64(sc->sc_txdescs[i].gd_flags)); - pa = letoh64(sc->sc_txdescs[i].gd_addr); - printf("gd_addr: 0x%016llx\n", (long long) pa); - printf("GEM_TX_CONFIG %x GEM_MAC_XIF_CONFIG %x GEM_MAC_TX_CONFIG %x\n", - bus_space_read_4(sc->sc_bustag, sc->sc_h, GEM_TX_CONFIG), - bus_space_read_4(sc->sc_bustag, sc->sc_h, GEM_MAC_XIF_CONFIG), - bus_space_read_4(sc->sc_bustag, sc->sc_h, GEM_MAC_TX_CONFIG)); -} bus_space_write_4(sc->sc_bustag, sc->sc_h, GEM_TX_KICK, sc->sc_txnext); -if (gem_opdebug) printf("gem_start: txkick %x\n", - bus_space_read_4(sc->sc_bustag, sc->sc_h, GEM_TX_KICK)); /* Set a watchdog timer in case the chip flakes out. */ ifp->if_timer = 5; @@ -1206,8 +1121,7 @@ gem_tint(sc) int txlast; - DPRINTF(sc, ("%s: gem_tint: sc_flags 0x%08x\n", - sc->sc_dev.dv_xname, sc->sc_flags)); + DPRINTF(sc, ("%s: gem_tint\n", sc->sc_dev.dv_xname)); /* * Unload collision counters @@ -1231,7 +1145,7 @@ gem_tint(sc) * frames that have been transmitted. */ while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { - GEM_CDTXSYNC(sc, txs->txs_lastdesc, + GEM_CDTXSYNC(sc, txs->txs_firstdesc, txs->txs_ndescs, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); @@ -1242,9 +1156,9 @@ gem_tint(sc) for (i = txs->txs_firstdesc;; i = GEM_NEXTTX(i)) { printf("descriptor %d: ", i); printf("gd_flags: 0x%016llx\t", (long long) - letoh64(sc->sc_txdescs[i].gd_flags)); + GEM_DMA_READ(sc, sc->sc_txdescs[i].gd_flags)); printf("gd_addr: 0x%016llx\n", (long long) - letoh64(sc->sc_txdescs[i].gd_addr)); + GEM_DMA_READ(sc, sc->sc_txdescs[i].gd_addr)); if (i == txs->txs_lastdesc) break; } @@ -1344,7 +1258,7 @@ gem_rint(sc) GEM_CDRXSYNC(sc, i, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); - rxstat = letoh64(sc->sc_rxdescs[i].gd_flags); + rxstat = GEM_DMA_READ(sc, sc->sc_rxdescs[i].gd_flags); if (rxstat & GEM_RD_OWN) { printf("gem_rint: completed descriptor " @@ -1368,9 +1282,9 @@ gem_rint(sc) if (ifp->if_flags & IFF_DEBUG) { printf(" rxsoft %p descriptor %d: ", rxs, i); printf("gd_flags: 0x%016llx\t", (long long) - letoh64(sc->sc_rxdescs[i].gd_flags)); + GEM_DMA_READ(sc, sc->sc_rxdescs[i].gd_flags)); printf("gd_addr: 0x%016llx\n", (long long) - letoh64(sc->sc_rxdescs[i].gd_addr)); + GEM_DMA_READ(sc, sc->sc_rxdescs[i].gd_addr)); } #endif @@ -1381,12 +1295,6 @@ gem_rint(sc) len = GEM_RD_BUFLEN(rxstat); /* - * We align the mbuf data in gem_add_rxbuf() so - * we can use __NO_STRICT_ALIGNMENT here - */ -#define __NO_STRICT_ALIGNMENT -#ifdef __NO_STRICT_ALIGNMENT - /* * Allocate a new mbuf cluster. If that fails, we are * out of memory, and must drop the packet and recycle * the buffer that's already attached to this descriptor. @@ -1400,42 +1308,6 @@ gem_rint(sc) continue; } m->m_data += 2; /* We're already off by two */ -#else - /* - * The Gem's receive buffers must be 4-byte aligned. - * But this means that the data after the Ethernet header - * is misaligned. We must allocate a new buffer and - * copy the data, shifted forward 2 bytes. - */ - MGETHDR(m, M_DONTWAIT, MT_DATA); - if (m == NULL) { - dropit: - ifp->if_ierrors++; - GEM_INIT_RXDESC(sc, i); - bus_dmamap_sync(sc->sc_dmatag, rxs->rxs_dmamap, 0, - rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); - continue; - } - if (len > (MHLEN - 2)) { - MCLGET(m, M_DONTWAIT); - if ((m->m_flags & M_EXT) == 0) { - m_freem(m); - goto dropit; - } - } - m->m_data += 2; - - /* - * Note that we use clusters for incoming frames, so the - * buffer is virtually contiguous. - */ - memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); - - /* Allow the receive descriptor to continue using its mbuf. */ - GEM_INIT_RXDESC(sc, i); - bus_dmamap_sync(sc->sc_dmatag, rxs->rxs_dmamap, 0, - rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); -#endif /* __NO_STRICT_ALIGNMENT */ ifp->if_ipackets++; eh = mtod(m, struct ether_header *); @@ -1451,23 +1323,6 @@ gem_rint(sc) bpf_mtap(ifp->if_bpf, m); #endif /* NPBFILTER > 0 */ -#if 0 - /* - * We sometimes have to run the 21140 in Hash-Only - * mode. If we're in that mode, and not in promiscuous - * mode, and we have a unicast packet that isn't for - * us, then drop it. - */ - if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && - (ifp->if_flags & IFF_PROMISC) == 0 && - ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && - memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, - ETHER_ADDR_LEN) != 0) { - m_freem(m); - continue; - } -#endif - /* Pass it on. */ ether_input_mbuf(ifp, m); } @@ -1561,27 +1416,6 @@ gem_intr(v) status = bus_space_read_4(t, seb, GEM_STATUS); DPRINTF(sc, ("%s: gem_intr: cplt %xstatus %b\n", sc->sc_dev.dv_xname, (status>>19), status, GEM_INTR_BITS)); -if (gem_opdebug) printf("%s: gem_intr: cplt %x status %b\n", - sc->sc_dev.dv_xname, (status>>19), status, GEM_INTR_BITS); -if (gem_opdebug && (status & GEM_INTR_TX_DONE)) { - int i; - int64_t pa; - i = bus_space_read_4(t, seb, GEM_TX_KICK); - printf("GEM_TX_KICK %x GEM_TX_DATA_PTR %llx GEM_TX_RING_PTR %llx\n", - i, (long long)bus_space_read_4(t, seb, GEM_TX_DATA_PTR), - (long long)bus_space_read_8(t, seb, GEM_TX_RING_PTR)); - printf("descriptor %d: ", --i); - printf("gd_flags: 0x%016llx\t", (long long) - letoh64(sc->sc_txdescs[i].gd_flags)); - pa = letoh64(sc->sc_txdescs[i].gd_addr); - printf("gd_addr: 0x%016llx\n", (long long) pa); - printf("GEM_TX_CONFIG %x GEM_MAC_XIF_CONFIG %x GEM_MAC_TX_CONFIG %x " - "GEM_MAC_TX_STATUS %x\n", - bus_space_read_4(t, seb, GEM_TX_CONFIG), - bus_space_read_4(t, seb, GEM_MAC_XIF_CONFIG), - bus_space_read_4(t, seb, GEM_MAC_TX_CONFIG), - bus_space_read_4(t, seb, GEM_MAC_TX_STATUS)); -} if ((status & (GEM_INTR_RX_TAG_ERR | GEM_INTR_BERR)) != 0) r |= gem_eint(sc, status); @@ -1625,7 +1459,6 @@ gem_watchdog(ifp) ++ifp->if_oerrors; /* Try to get more packets going. */ -// gem_reset(sc); gem_start(ifp); } @@ -1675,17 +1508,6 @@ gem_mii_readreg(self, phy, reg) printf("gem_mii_readreg: phy %d reg %d\n", phy, reg); #endif -#if 0 - /* Select the desired PHY in the MIF configuration register */ - v = bus_space_read_4(t, mif, GEM_MIF_CONFIG); - /* Clear PHY select bit */ - v &= ~GEM_MIF_CONFIG_PHY_SEL; - if (phy == GEM_PHYAD_EXTERNAL) - /* Set PHY select bit to get at external device */ - v |= GEM_MIF_CONFIG_PHY_SEL; - bus_space_write_4(t, mif, GEM_MIF_CONFIG, v); -#endif - /* Construct the frame command */ v = (reg << GEM_MIF_REG_SHIFT) | (phy << GEM_MIF_PHY_SHIFT) | GEM_MIF_FRAME_READ; @@ -1751,15 +1573,17 @@ gem_mii_statchg(dev) struct device *dev; { struct gem_softc *sc = (void *)dev; +#ifdef GEM_DEBUG int instance = IFM_INST(sc->sc_mii.mii_media.ifm_cur->ifm_media); - int phy = sc->sc_phys[instance]; +#endif bus_space_tag_t t = sc->sc_bustag; bus_space_handle_t mac = sc->sc_h; u_int32_t v; #ifdef GEM_DEBUG if (sc->sc_debug) - printf("gem_mii_statchg: status change: phy = %d\n", phy); + printf("gem_mii_statchg: status change: phy = %d\n", + sc->sc_phys[instance]); #endif @@ -2053,43 +1877,3 @@ chipit: bus_space_write_4(t, h, GEM_MAC_RX_CONFIG, v); } - -#if notyet - -/* - * gem_power: - * - * Power management (suspend/resume) hook. - */ -void -gem_power(why, arg) - int why; - void *arg; -{ - struct gem_softc *sc = arg; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - int s; - - s = splimp(); - switch (why) { - case PWR_SUSPEND: - case PWR_STANDBY: - gem_stop(ifp, 1); - if (sc->sc_power != NULL) - (*sc->sc_power)(sc, why); - break; - case PWR_RESUME: - if (ifp->if_flags & IFF_UP) { - if (sc->sc_power != NULL) - (*sc->sc_power)(sc, why); - gem_init(ifp); - } - break; - case PWR_SOFTSUSPEND: - case PWR_SOFTSTANDBY: - case PWR_SOFTRESUME: - break; - } - splx(s); -} -#endif diff --git a/sys/dev/ic/gemvar.h b/sys/dev/ic/gemvar.h index c78cd9f13db..9fdb68a3c67 100644 --- a/sys/dev/ic/gemvar.h +++ b/sys/dev/ic/gemvar.h @@ -55,7 +55,7 @@ * Receive descriptor list size. We have one Rx buffer per incoming * packet, so this logic is a little simpler. */ -#define GEM_NRXDESC 64 +#define GEM_NRXDESC 128 #define GEM_NRXDESC_MASK (GEM_NRXDESC - 1) #define GEM_NEXTRX(x) ((x + 1) & GEM_NRXDESC_MASK) @@ -194,7 +194,6 @@ struct gem_softc { /* ========== */ int sc_inited; - int sc_flags; int sc_debug; void *sc_sh; /* shutdownhook cookie */ u_int8_t sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */ @@ -204,24 +203,8 @@ struct gem_softc { void (*sc_hwinit) __P((struct gem_softc *)); }; -/* sc_flags */ -#define GEMF_WANT_SETUP 0x00000001 /* want filter setup */ -#define GEMF_DOING_SETUP 0x00000002 /* doing multicast setup */ -#define GEMF_HAS_MII 0x00000004 /* has media on MII */ -#define GEMF_IC_FS 0x00000008 /* IC bit on first tx seg */ -#define GEMF_MRL 0x00000010 /* memory read line okay */ -#define GEMF_MRM 0x00000020 /* memory read multi okay */ -#define GEMF_MWI 0x00000040 /* memory write inval okay */ -#define GEMF_AUTOPOLL 0x00000080 /* chip supports auto-poll */ -#define GEMF_LINK_UP 0x00000100 /* link is up (non-MII) */ -#define GEMF_LINK_VALID 0x00000200 /* link state valid */ -#define GEMF_DOINGAUTO 0x00000400 /* doing autoneg (non-MII) */ -#define GEMF_ATTACHED 0x00000800 /* attach has succeeded */ -#define GEMF_ENABLED 0x00001000 /* chip is enabled */ -#define GEMF_BLE 0x00002000 /* data is big endian */ -#define GEMF_DBO 0x00004000 /* descriptor is big endian */ - -#define GEM_IS_ENABLED(sc) ((sc)->sc_flags & GEMF_ENABLED) +#define GEM_DMA_READ(sc, v) (((sc)->sc_pci) ? letoh64(v) : betoh64(v)) +#define GEM_DMA_WRITE(sc, v) (((sc)->sc_pci) ? htole64(v) : htobe64(v)) /* * This macro returns the current media entry for *non-MII* media. @@ -280,9 +263,10 @@ do { \ \ __m->m_data = __m->m_ext.ext_buf; \ __rxd->gd_addr = \ - htole64(__rxs->rxs_dmamap->dm_segs[0].ds_addr); \ + GEM_DMA_WRITE((sc), __rxs->rxs_dmamap->dm_segs[0].ds_addr); \ __rxd->gd_flags = \ - htole64((((__m->m_ext.ext_size)<<GEM_RD_BUFSHIFT) \ + GEM_DMA_WRITE((sc), \ + (((__m->m_ext.ext_size)<<GEM_RD_BUFSHIFT) \ & GEM_RD_BUFSIZE) | GEM_RD_OWN); \ GEM_CDRXSYNC((sc), (x), BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); \ } while (0) |