/* $OpenBSD: if_txp.c,v 1.48 2001/06/27 06:34:50 kjc Exp $ */ /* * Copyright (c) 2001 * Jason L. Wright , Theo de Raadt, and * Aaron Campbell . All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Jason L. Wright, * Theo de Raadt and Aaron Campbell. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); /* * Driver for 3c990 (Typhoon) Ethernet ASIC */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* for vtophys */ #include /* for vtophys */ #include /* for DELAY */ #include #include #include #include #include #include #include #include #include #include #define TXP_USEIOSPACE #define __STRICT_ALIGNMENT #include #include #ifndef lint static const char rcsid[] = "$FreeBSD$"; #endif /* * Various supported device vendors/types and their names. */ static struct txp_type txp_devs[] = { { TXP_VENDORID_3COM, TXP_DEVICEID_3CR990_TX_95, "3Com 3cR990-TX-95 Etherlink with 3XP Processor" }, { TXP_VENDORID_3COM, TXP_DEVICEID_3CR990_TX_97, "3Com 3cR990-TX-97 Etherlink with 3XP Processor" }, { TXP_VENDORID_3COM, TXP_DEVICEID_3CR990B_TXM, "3Com 3cR990B-TXM Etherlink with 3XP Processor" }, { TXP_VENDORID_3COM, TXP_DEVICEID_3CR990_SRV_95, "3Com 3cR990-SRV-95 Etherlink Server with 3XP Processor" }, { TXP_VENDORID_3COM, TXP_DEVICEID_3CR990_SRV_97, "3Com 3cR990-SRV-97 Etherlink Server with 3XP Processor" }, { TXP_VENDORID_3COM, TXP_DEVICEID_3CR990B_SRV, "3Com 3cR990B-SRV Etherlink Server with 3XP Processor" }, { 0, 0, NULL } }; static int txp_probe (device_t); static int txp_attach (device_t); static int txp_detach (device_t); static void txp_intr (void *); static void txp_tick (void *); static int txp_shutdown (device_t); static int txp_ioctl (struct ifnet *, u_long, caddr_t); static void txp_start (struct ifnet *); static void txp_stop (struct txp_softc *); static void txp_init (void *); static void txp_watchdog (struct ifnet *); static void txp_release_resources(struct txp_softc *); static int txp_chip_init(struct txp_softc *); static int txp_reset_adapter(struct txp_softc *); static int txp_download_fw(struct txp_softc *); static int txp_download_fw_wait(struct txp_softc *); static int txp_download_fw_section (struct txp_softc *, struct txp_fw_section_header *, int); static int txp_alloc_rings(struct txp_softc *); static int txp_rxring_fill(struct txp_softc *); static void txp_rxring_empty(struct txp_softc *); static void txp_set_filter(struct txp_softc *); static int txp_cmd_desc_numfree(struct txp_softc *); static int txp_command (struct txp_softc *, u_int16_t, u_int16_t, u_int32_t, u_int32_t, u_int16_t *, u_int32_t *, u_int32_t *, int); static int txp_command2 (struct txp_softc *, u_int16_t, u_int16_t, u_int32_t, u_int32_t, struct txp_ext_desc *, u_int8_t, struct txp_rsp_desc **, int); static int txp_response (struct txp_softc *, u_int32_t, u_int16_t, u_int16_t, struct txp_rsp_desc **); static void txp_rsp_fixup (struct txp_softc *, struct txp_rsp_desc *, struct txp_rsp_desc *); static void txp_capabilities(struct txp_softc *); static void txp_ifmedia_sts(struct ifnet *, struct ifmediareq *); static int txp_ifmedia_upd(struct ifnet *); #ifdef TXP_DEBUG static void txp_show_descriptor(void *); #endif static void txp_tx_reclaim(struct txp_softc *, struct txp_tx_ring *); static void txp_rxbuf_reclaim(struct txp_softc *); static void txp_rx_reclaim(struct txp_softc *, struct txp_rx_ring *); #ifdef TXP_USEIOSPACE #define TXP_RES SYS_RES_IOPORT #define TXP_RID TXP_PCI_LOIO #else #define TXP_RES SYS_RES_MEMORY #define TXP_RID TXP_PCI_LOMEM #endif static device_method_t txp_methods[] = { /* Device interface */ DEVMETHOD(device_probe, txp_probe), DEVMETHOD(device_attach, txp_attach), DEVMETHOD(device_detach, txp_detach), DEVMETHOD(device_shutdown, txp_shutdown), { 0, 0 } }; static driver_t txp_driver = { "txp", txp_methods, sizeof(struct txp_softc) }; static devclass_t txp_devclass; DRIVER_MODULE(txp, pci, txp_driver, txp_devclass, 0, 0); MODULE_DEPEND(txp, pci, 1, 1, 1); MODULE_DEPEND(txp, ether, 1, 1, 1); static int txp_probe(dev) device_t dev; { struct txp_type *t; t = txp_devs; while(t->txp_name != NULL) { if ((pci_get_vendor(dev) == t->txp_vid) && (pci_get_device(dev) == t->txp_did)) { device_set_desc(dev, t->txp_name); return(0); } t++; } return(ENXIO); } static int txp_attach(dev) device_t dev; { struct txp_softc *sc; struct ifnet *ifp; u_int16_t p1; u_int32_t p2; int unit, error = 0, rid; sc = device_get_softc(dev); unit = device_get_unit(dev); sc->sc_dev = dev; sc->sc_cold = 1; mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE); #ifndef BURN_BRIDGES /* * Handle power management nonsense. */ if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { u_int32_t iobase, membase, irq; /* Save important PCI config data. */ iobase = pci_read_config(dev, TXP_PCI_LOIO, 4); membase = pci_read_config(dev, TXP_PCI_LOMEM, 4); irq = pci_read_config(dev, TXP_PCI_INTLINE, 4); /* Reset the power state. */ device_printf(dev, "chip is in D%d power mode " "-- setting to D0\n", pci_get_powerstate(dev)); pci_set_powerstate(dev, PCI_POWERSTATE_D0); /* Restore PCI config data. */ pci_write_config(dev, TXP_PCI_LOIO, iobase, 4); pci_write_config(dev, TXP_PCI_LOMEM, membase, 4); pci_write_config(dev, TXP_PCI_INTLINE, irq, 4); } #endif /* * Map control/status registers. */ pci_enable_busmaster(dev); rid = TXP_RID; sc->sc_res = bus_alloc_resource_any(dev, TXP_RES, &rid, RF_ACTIVE); if (sc->sc_res == NULL) { device_printf(dev, "couldn't map ports/memory\n"); error = ENXIO; goto fail; } sc->sc_bt = rman_get_bustag(sc->sc_res); sc->sc_bh = rman_get_bushandle(sc->sc_res); /* Allocate interrupt */ rid = 0; sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE); if (sc->sc_irq == NULL) { device_printf(dev, "couldn't map interrupt\n"); txp_release_resources(sc); error = ENXIO; goto fail; } error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_NET, txp_intr, sc, &sc->sc_intrhand); if (error) { txp_release_resources(sc); device_printf(dev, "couldn't set up irq\n"); goto fail; } if (txp_chip_init(sc)) { txp_release_resources(sc); goto fail; } sc->sc_fwbuf = contigmalloc(32768, M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0); error = txp_download_fw(sc); contigfree(sc->sc_fwbuf, 32768, M_DEVBUF); sc->sc_fwbuf = NULL; if (error) { txp_release_resources(sc); goto fail; } sc->sc_ldata = contigmalloc(sizeof(struct txp_ldata), M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0); bzero(sc->sc_ldata, sizeof(struct txp_ldata)); if (txp_alloc_rings(sc)) { txp_release_resources(sc); goto fail; } if (txp_command(sc, TXP_CMD_MAX_PKT_SIZE_WRITE, TXP_MAX_PKTLEN, 0, 0, NULL, NULL, NULL, 1)) { txp_release_resources(sc); goto fail; } if (txp_command(sc, TXP_CMD_STATION_ADDRESS_READ, 0, 0, 0, &p1, &p2, NULL, 1)) { txp_release_resources(sc); goto fail; } txp_set_filter(sc); sc->sc_arpcom.ac_enaddr[0] = ((u_int8_t *)&p1)[1]; sc->sc_arpcom.ac_enaddr[1] = ((u_int8_t *)&p1)[0]; sc->sc_arpcom.ac_enaddr[2] = ((u_int8_t *)&p2)[3]; sc->sc_arpcom.ac_enaddr[3] = ((u_int8_t *)&p2)[2]; sc->sc_arpcom.ac_enaddr[4] = ((u_int8_t *)&p2)[1]; sc->sc_arpcom.ac_enaddr[5] = ((u_int8_t *)&p2)[0]; sc->sc_cold = 0; ifmedia_init(&sc->sc_ifmedia, 0, txp_ifmedia_upd, txp_ifmedia_sts); ifmedia_add(&sc->sc_ifmedia, IFM_ETHER|IFM_10_T, 0, NULL); ifmedia_add(&sc->sc_ifmedia, IFM_ETHER|IFM_10_T|IFM_HDX, 0, NULL); ifmedia_add(&sc->sc_ifmedia, IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL); ifmedia_add(&sc->sc_ifmedia, IFM_ETHER|IFM_100_TX, 0, NULL); ifmedia_add(&sc->sc_ifmedia, IFM_ETHER|IFM_100_TX|IFM_HDX, 0, NULL); ifmedia_add(&sc->sc_ifmedia, IFM_ETHER|IFM_100_TX|IFM_FDX, 0, NULL); ifmedia_add(&sc->sc_ifmedia, IFM_ETHER|IFM_AUTO, 0, NULL); sc->sc_xcvr = TXP_XCVR_AUTO; txp_command(sc, TXP_CMD_XCVR_SELECT, TXP_XCVR_AUTO, 0, 0, NULL, NULL, NULL, 0); ifmedia_set(&sc->sc_ifmedia, IFM_ETHER|IFM_AUTO); ifp = &sc->sc_arpcom.ac_if; ifp->if_softc = sc; if_initname(ifp, device_get_name(dev), device_get_unit(dev)); ifp->if_mtu = ETHERMTU; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_ioctl = txp_ioctl; ifp->if_start = txp_start; ifp->if_watchdog = txp_watchdog; ifp->if_init = txp_init; ifp->if_baudrate = 100000000; ifp->if_snd.ifq_maxlen = TX_ENTRIES; ifp->if_hwassist = 0; txp_capabilities(sc); /* * Attach us everywhere */ ether_ifattach(ifp, sc->sc_arpcom.ac_enaddr); callout_handle_init(&sc->sc_tick); return(0); fail: txp_release_resources(sc); mtx_destroy(&sc->sc_mtx); return(error); } static int txp_detach(dev) device_t dev; { struct txp_softc *sc; struct ifnet *ifp; int i; sc = device_get_softc(dev); ifp = &sc->sc_arpcom.ac_if; txp_stop(sc); txp_shutdown(dev); ifmedia_removeall(&sc->sc_ifmedia); ether_ifdetach(ifp); for (i = 0; i < RXBUF_ENTRIES; i++) free(sc->sc_rxbufs[i].rb_sd, M_DEVBUF); txp_release_resources(sc); mtx_destroy(&sc->sc_mtx); return(0); } static void txp_release_resources(sc) struct txp_softc *sc; { device_t dev; dev = sc->sc_dev; if (sc->sc_intrhand != NULL) bus_teardown_intr(dev, sc->sc_irq, sc->sc_intrhand); if (sc->sc_irq != NULL) bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq); if (sc->sc_res != NULL) bus_release_resource(dev, TXP_RES, TXP_RID, sc->sc_res); if (sc->sc_ldata != NULL) contigfree(sc->sc_ldata, sizeof(struct txp_ldata), M_DEVBUF); return; } static int txp_chip_init(sc) struct txp_softc *sc; { /* disable interrupts */ WRITE_REG(sc, TXP_IER, 0); WRITE_REG(sc, TXP_IMR, TXP_INT_SELF | TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | TXP_INT_LATCH); /* ack all interrupts */ WRITE_REG(sc, TXP_ISR, TXP_INT_RESERVED | TXP_INT_LATCH | TXP_INT_A2H_7 | TXP_INT_A2H_6 | TXP_INT_A2H_5 | TXP_INT_A2H_4 | TXP_INT_SELF | TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | TXP_INT_A2H_3 | TXP_INT_A2H_2 | TXP_INT_A2H_1 | TXP_INT_A2H_0); if (txp_reset_adapter(sc)) return (-1); /* disable interrupts */ WRITE_REG(sc, TXP_IER, 0); WRITE_REG(sc, TXP_IMR, TXP_INT_SELF | TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | TXP_INT_LATCH); /* ack all interrupts */ WRITE_REG(sc, TXP_ISR, TXP_INT_RESERVED | TXP_INT_LATCH | TXP_INT_A2H_7 | TXP_INT_A2H_6 | TXP_INT_A2H_5 | TXP_INT_A2H_4 | TXP_INT_SELF | TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | TXP_INT_A2H_3 | TXP_INT_A2H_2 | TXP_INT_A2H_1 | TXP_INT_A2H_0); return (0); } static int txp_reset_adapter(sc) struct txp_softc *sc; { u_int32_t r; int i; r = 0; WRITE_REG(sc, TXP_SRR, TXP_SRR_ALL); DELAY(1000); WRITE_REG(sc, TXP_SRR, 0); /* Should wait max 6 seconds */ for (i = 0; i < 6000; i++) { r = READ_REG(sc, TXP_A2H_0); if (r == STAT_WAITING_FOR_HOST_REQUEST) break; DELAY(1000); } if (r != STAT_WAITING_FOR_HOST_REQUEST) { device_printf(sc->sc_dev, "reset hung\n"); return (-1); } return (0); } static int txp_download_fw(sc) struct txp_softc *sc; { struct txp_fw_file_header *fileheader; struct txp_fw_section_header *secthead; int sect; u_int32_t r, i, ier, imr; r = 0; ier = READ_REG(sc, TXP_IER); WRITE_REG(sc, TXP_IER, ier | TXP_INT_A2H_0); imr = READ_REG(sc, TXP_IMR); WRITE_REG(sc, TXP_IMR, imr | TXP_INT_A2H_0); for (i = 0; i < 10000; i++) { r = READ_REG(sc, TXP_A2H_0); if (r == STAT_WAITING_FOR_HOST_REQUEST) break; DELAY(50); } if (r != STAT_WAITING_FOR_HOST_REQUEST) { device_printf(sc->sc_dev, "not waiting for host request\n"); return (-1); } /* Ack the status */ WRITE_REG(sc, TXP_ISR, TXP_INT_A2H_0); fileheader = (struct txp_fw_file_header *)tc990image; if (bcmp("TYPHOON", fileheader->magicid, sizeof(fileheader->magicid))) { device_printf(sc->sc_dev, "fw invalid magic\n"); return (-1); } /* Tell boot firmware to get ready for image */ WRITE_REG(sc, TXP_H2A_1, fileheader->addr); WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_RUNTIME_IMAGE); if (txp_download_fw_wait(sc)) { device_printf(sc->sc_dev, "fw wait failed, initial\n"); return (-1); } secthead = (struct txp_fw_section_header *)(((u_int8_t *)tc990image) + sizeof(struct txp_fw_file_header)); for (sect = 0; sect < fileheader->nsections; sect++) { if (txp_download_fw_section(sc, secthead, sect)) return (-1); secthead = (struct txp_fw_section_header *) (((u_int8_t *)secthead) + secthead->nbytes + sizeof(*secthead)); } WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_DOWNLOAD_COMPLETE); for (i = 0; i < 10000; i++) { r = READ_REG(sc, TXP_A2H_0); if (r == STAT_WAITING_FOR_BOOT) break; DELAY(50); } if (r != STAT_WAITING_FOR_BOOT) { device_printf(sc->sc_dev, "not waiting for boot\n"); return (-1); } WRITE_REG(sc, TXP_IER, ier); WRITE_REG(sc, TXP_IMR, imr); return (0); } static int txp_download_fw_wait(sc) struct txp_softc *sc; { u_int32_t i, r; r = 0; for (i = 0; i < 10000; i++) { r = READ_REG(sc, TXP_ISR); if (r & TXP_INT_A2H_0) break; DELAY(50); } if (!(r & TXP_INT_A2H_0)) { device_printf(sc->sc_dev, "fw wait failed comm0\n"); return (-1); } WRITE_REG(sc, TXP_ISR, TXP_INT_A2H_0); r = READ_REG(sc, TXP_A2H_0); if (r != STAT_WAITING_FOR_SEGMENT) { device_printf(sc->sc_dev, "fw not waiting for segment\n"); return (-1); } return (0); } static int txp_download_fw_section(sc, sect, sectnum) struct txp_softc *sc; struct txp_fw_section_header *sect; int sectnum; { vm_offset_t dma; int rseg, err = 0; struct mbuf m; u_int16_t csum; /* Skip zero length sections */ if (sect->nbytes == 0) return (0); /* Make sure we aren't past the end of the image */ rseg = ((u_int8_t *)sect) - ((u_int8_t *)tc990image); if (rseg >= sizeof(tc990image)) { device_printf(sc->sc_dev, "fw invalid section address, " "section %d\n", sectnum); return (-1); } /* Make sure this section doesn't go past the end */ rseg += sect->nbytes; if (rseg >= sizeof(tc990image)) { device_printf(sc->sc_dev, "fw truncated section %d\n", sectnum); return (-1); } bcopy(((u_int8_t *)sect) + sizeof(*sect), sc->sc_fwbuf, sect->nbytes); dma = vtophys(sc->sc_fwbuf); /* * dummy up mbuf and verify section checksum */ m.m_type = MT_DATA; m.m_next = m.m_nextpkt = NULL; m.m_len = sect->nbytes; m.m_data = sc->sc_fwbuf; m.m_flags = 0; csum = in_cksum(&m, sect->nbytes); if (csum != sect->cksum) { device_printf(sc->sc_dev, "fw section %d, bad " "cksum (expected 0x%x got 0x%x)\n", sectnum, sect->cksum, csum); err = -1; goto bail; } WRITE_REG(sc, TXP_H2A_1, sect->nbytes); WRITE_REG(sc, TXP_H2A_2, sect->cksum); WRITE_REG(sc, TXP_H2A_3, sect->addr); WRITE_REG(sc, TXP_H2A_4, 0); WRITE_REG(sc, TXP_H2A_5, dma & 0xffffffff); WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_SEGMENT_AVAILABLE); if (txp_download_fw_wait(sc)) { device_printf(sc->sc_dev, "fw wait failed, " "section %d\n", sectnum); err = -1; } bail: return (err); } static void txp_intr(vsc) void *vsc; { struct txp_softc *sc = vsc; struct txp_hostvar *hv = sc->sc_hostvar; u_int32_t isr; /* mask all interrupts */ WRITE_REG(sc, TXP_IMR, TXP_INT_RESERVED | TXP_INT_SELF | TXP_INT_A2H_7 | TXP_INT_A2H_6 | TXP_INT_A2H_5 | TXP_INT_A2H_4 | TXP_INT_A2H_2 | TXP_INT_A2H_1 | TXP_INT_A2H_0 | TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | TXP_INT_LATCH); isr = READ_REG(sc, TXP_ISR); while (isr) { WRITE_REG(sc, TXP_ISR, isr); if ((*sc->sc_rxhir.r_roff) != (*sc->sc_rxhir.r_woff)) txp_rx_reclaim(sc, &sc->sc_rxhir); if ((*sc->sc_rxlor.r_roff) != (*sc->sc_rxlor.r_woff)) txp_rx_reclaim(sc, &sc->sc_rxlor); if (hv->hv_rx_buf_write_idx == hv->hv_rx_buf_read_idx) txp_rxbuf_reclaim(sc); if (sc->sc_txhir.r_cnt && (sc->sc_txhir.r_cons != TXP_OFFSET2IDX(*(sc->sc_txhir.r_off)))) txp_tx_reclaim(sc, &sc->sc_txhir); if (sc->sc_txlor.r_cnt && (sc->sc_txlor.r_cons != TXP_OFFSET2IDX(*(sc->sc_txlor.r_off)))) txp_tx_reclaim(sc, &sc->sc_txlor); isr = READ_REG(sc, TXP_ISR); } /* unmask all interrupts */ WRITE_REG(sc, TXP_IMR, TXP_INT_A2H_3); txp_start(&sc->sc_arpcom.ac_if); return; } static void txp_rx_reclaim(sc, r) struct txp_softc *sc; struct txp_rx_ring *r; { struct ifnet *ifp = &sc->sc_arpcom.ac_if; struct txp_rx_desc *rxd; struct mbuf *m; struct txp_swdesc *sd = NULL; u_int32_t roff, woff; roff = *r->r_roff; woff = *r->r_woff; rxd = r->r_desc + (roff / sizeof(struct txp_rx_desc)); while (roff != woff) { if (rxd->rx_flags & RX_FLAGS_ERROR) { device_printf(sc->sc_dev, "error 0x%x\n", rxd->rx_stat); ifp->if_ierrors++; goto next; } /* retrieve stashed pointer */ sd = rxd->rx_sd; m = sd->sd_mbuf; sd->sd_mbuf = NULL; m->m_pkthdr.len = m->m_len = rxd->rx_len; #ifdef __STRICT_ALIGNMENT { /* * XXX Nice chip, except it won't accept "off by 2" * buffers, so we're force to copy. Supposedly * this will be fixed in a newer firmware rev * and this will be temporary. */ struct mbuf *mnew; MGETHDR(mnew, M_DONTWAIT, MT_DATA); if (mnew == NULL) { m_freem(m); goto next; } if (m->m_len > (MHLEN - 2)) { MCLGET(mnew, M_DONTWAIT); if (!(mnew->m_flags & M_EXT)) { m_freem(mnew); m_freem(m); goto next; } } mnew->m_pkthdr.rcvif = ifp; m_adj(mnew, 2); mnew->m_pkthdr.len = mnew->m_len = m->m_len; m_copydata(m, 0, m->m_pkthdr.len, mtod(mnew, caddr_t)); m_freem(m); m = mnew; } #endif if (rxd->rx_stat & RX_STAT_IPCKSUMBAD) m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED; else if (rxd->rx_stat & RX_STAT_IPCKSUMGOOD) m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED|CSUM_IP_VALID; if ((rxd->rx_stat & RX_STAT_TCPCKSUMGOOD) || (rxd->rx_stat & RX_STAT_UDPCKSUMGOOD)) { m->m_pkthdr.csum_flags |= CSUM_DATA_VALID|CSUM_PSEUDO_HDR; m->m_pkthdr.csum_data = 0xffff; } if (rxd->rx_stat & RX_STAT_VLAN) { VLAN_INPUT_TAG(ifp, m, htons(rxd->rx_vlan >> 16), goto next); } (*ifp->if_input)(ifp, m); next: roff += sizeof(struct txp_rx_desc); if (roff == (RX_ENTRIES * sizeof(struct txp_rx_desc))) { roff = 0; rxd = r->r_desc; } else rxd++; woff = *r->r_woff; } *r->r_roff = woff; return; } static void txp_rxbuf_reclaim(sc) struct txp_softc *sc; { struct ifnet *ifp = &sc->sc_arpcom.ac_if; struct txp_hostvar *hv = sc->sc_hostvar; struct txp_rxbuf_desc *rbd; struct txp_swdesc *sd; u_int32_t i; if (!(ifp->if_flags & IFF_RUNNING)) return; i = sc->sc_rxbufprod; rbd = sc->sc_rxbufs + i; while (1) { sd = rbd->rb_sd; if (sd->sd_mbuf != NULL) break; MGETHDR(sd->sd_mbuf, M_DONTWAIT, MT_DATA); if (sd->sd_mbuf == NULL) goto err_sd; MCLGET(sd->sd_mbuf, M_DONTWAIT); if ((sd->sd_mbuf->m_flags & M_EXT) == 0) goto err_mbuf; sd->sd_mbuf->m_pkthdr.rcvif = ifp; sd->sd_mbuf->m_pkthdr.len = sd->sd_mbuf->m_len = MCLBYTES; rbd->rb_paddrlo = vtophys(mtod(sd->sd_mbuf, vm_offset_t)) & 0xffffffff; rbd->rb_paddrhi = 0; hv->hv_rx_buf_write_idx = TXP_IDX2OFFSET(i); if (++i == RXBUF_ENTRIES) { i = 0; rbd = sc->sc_rxbufs; } else rbd++; } sc->sc_rxbufprod = i; return; err_mbuf: m_freem(sd->sd_mbuf); err_sd: free(sd, M_DEVBUF); } /* * Reclaim mbufs and entries from a transmit ring. */ static void txp_tx_reclaim(sc, r) struct txp_softc *sc; struct txp_tx_ring *r; { struct ifnet *ifp = &sc->sc_arpcom.ac_if; u_int32_t idx = TXP_OFFSET2IDX(*(r->r_off)); u_int32_t cons = r->r_cons, cnt = r->r_cnt; struct txp_tx_desc *txd = r->r_desc + cons; struct txp_swdesc *sd = sc->sc_txd + cons; struct mbuf *m; while (cons != idx) { if (cnt == 0) break; if ((txd->tx_flags & TX_FLAGS_TYPE_M) == TX_FLAGS_TYPE_DATA) { m = sd->sd_mbuf; if (m != NULL) { m_freem(m); txd->tx_addrlo = 0; txd->tx_addrhi = 0; ifp->if_opackets++; } } ifp->if_flags &= ~IFF_OACTIVE; if (++cons == TX_ENTRIES) { txd = r->r_desc; cons = 0; sd = sc->sc_txd; } else { txd++; sd++; } cnt--; } r->r_cons = cons; r->r_cnt = cnt; if (cnt == 0) ifp->if_timer = 0; } static int txp_shutdown(dev) device_t dev; { struct txp_softc *sc; sc = device_get_softc(dev); /* mask all interrupts */ WRITE_REG(sc, TXP_IMR, TXP_INT_SELF | TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | TXP_INT_LATCH); txp_command(sc, TXP_CMD_TX_DISABLE, 0, 0, 0, NULL, NULL, NULL, 0); txp_command(sc, TXP_CMD_RX_DISABLE, 0, 0, 0, NULL, NULL, NULL, 0); txp_command(sc, TXP_CMD_HALT, 0, 0, 0, NULL, NULL, NULL, 0); return(0); } static int txp_alloc_rings(sc) struct txp_softc *sc; { struct txp_boot_record *boot; struct txp_ldata *ld; u_int32_t r; int i; r = 0; ld = sc->sc_ldata; boot = &ld->txp_boot; /* boot record */ sc->sc_boot = boot; /* host variables */ bzero(&ld->txp_hostvar, sizeof(struct txp_hostvar)); boot->br_hostvar_lo = vtophys(&ld->txp_hostvar); boot->br_hostvar_hi = 0; sc->sc_hostvar = (struct txp_hostvar *)&ld->txp_hostvar; /* hi priority tx ring */ boot->br_txhipri_lo = vtophys(&ld->txp_txhiring);; boot->br_txhipri_hi = 0; boot->br_txhipri_siz = TX_ENTRIES * sizeof(struct txp_tx_desc); sc->sc_txhir.r_reg = TXP_H2A_1; sc->sc_txhir.r_desc = (struct txp_tx_desc *)&ld->txp_txhiring; sc->sc_txhir.r_cons = sc->sc_txhir.r_prod = sc->sc_txhir.r_cnt = 0; sc->sc_txhir.r_off = &sc->sc_hostvar->hv_tx_hi_desc_read_idx; /* lo priority tx ring */ boot->br_txlopri_lo = vtophys(&ld->txp_txloring); boot->br_txlopri_hi = 0; boot->br_txlopri_siz = TX_ENTRIES * sizeof(struct txp_tx_desc); sc->sc_txlor.r_reg = TXP_H2A_3; sc->sc_txlor.r_desc = (struct txp_tx_desc *)&ld->txp_txloring; sc->sc_txlor.r_cons = sc->sc_txlor.r_prod = sc->sc_txlor.r_cnt = 0; sc->sc_txlor.r_off = &sc->sc_hostvar->hv_tx_lo_desc_read_idx; /* high priority rx ring */ boot->br_rxhipri_lo = vtophys(&ld->txp_rxhiring); boot->br_rxhipri_hi = 0; boot->br_rxhipri_siz = RX_ENTRIES * sizeof(struct txp_rx_desc); sc->sc_rxhir.r_desc = (struct txp_rx_desc *)&ld->txp_rxhiring; sc->sc_rxhir.r_roff = &sc->sc_hostvar->hv_rx_hi_read_idx; sc->sc_rxhir.r_woff = &sc->sc_hostvar->hv_rx_hi_write_idx; /* low priority rx ring */ boot->br_rxlopri_lo = vtophys(&ld->txp_rxloring); boot->br_rxlopri_hi = 0; boot->br_rxlopri_siz = RX_ENTRIES * sizeof(struct txp_rx_desc); sc->sc_rxlor.r_desc = (struct txp_rx_desc *)&ld->txp_rxloring; sc->sc_rxlor.r_roff = &sc->sc_hostvar->hv_rx_lo_read_idx; sc->sc_rxlor.r_woff = &sc->sc_hostvar->hv_rx_lo_write_idx; /* command ring */ bzero(&ld->txp_cmdring, sizeof(struct txp_cmd_desc) * CMD_ENTRIES); boot->br_cmd_lo = vtophys(&ld->txp_cmdring); boot->br_cmd_hi = 0; boot->br_cmd_siz = CMD_ENTRIES * sizeof(struct txp_cmd_desc); sc->sc_cmdring.base = (struct txp_cmd_desc *)&ld->txp_cmdring; sc->sc_cmdring.size = CMD_ENTRIES * sizeof(struct txp_cmd_desc); sc->sc_cmdring.lastwrite = 0; /* response ring */ bzero(&ld->txp_rspring, sizeof(struct txp_rsp_desc) * RSP_ENTRIES); boot->br_resp_lo = vtophys(&ld->txp_rspring); boot->br_resp_hi = 0; boot->br_resp_siz = CMD_ENTRIES * sizeof(struct txp_rsp_desc); sc->sc_rspring.base = (struct txp_rsp_desc *)&ld->txp_rspring; sc->sc_rspring.size = RSP_ENTRIES * sizeof(struct txp_rsp_desc); sc->sc_rspring.lastwrite = 0; /* receive buffer ring */ boot->br_rxbuf_lo = vtophys(&ld->txp_rxbufs); boot->br_rxbuf_hi = 0; boot->br_rxbuf_siz = RXBUF_ENTRIES * sizeof(struct txp_rxbuf_desc); sc->sc_rxbufs = (struct txp_rxbuf_desc *)&ld->txp_rxbufs; for (i = 0; i < RXBUF_ENTRIES; i++) { struct txp_swdesc *sd; if (sc->sc_rxbufs[i].rb_sd != NULL) continue; sc->sc_rxbufs[i].rb_sd = malloc(sizeof(struct txp_swdesc), M_DEVBUF, M_NOWAIT); if (sc->sc_rxbufs[i].rb_sd == NULL) return(ENOBUFS); sd = sc->sc_rxbufs[i].rb_sd; sd->sd_mbuf = NULL; } sc->sc_rxbufprod = 0; /* zero dma */ bzero(&ld->txp_zero, sizeof(u_int32_t)); boot->br_zero_lo = vtophys(&ld->txp_zero); boot->br_zero_hi = 0; /* See if it's waiting for boot, and try to boot it */ for (i = 0; i < 10000; i++) { r = READ_REG(sc, TXP_A2H_0); if (r == STAT_WAITING_FOR_BOOT) break; DELAY(50); } if (r != STAT_WAITING_FOR_BOOT) { device_printf(sc->sc_dev, "not waiting for boot\n"); return(ENXIO); } WRITE_REG(sc, TXP_H2A_2, 0); WRITE_REG(sc, TXP_H2A_1, vtophys(sc->sc_boot)); WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_REGISTER_BOOT_RECORD); /* See if it booted */ for (i = 0; i < 10000; i++) { r = READ_REG(sc, TXP_A2H_0); if (r == STAT_RUNNING) break; DELAY(50); } if (r != STAT_RUNNING) { device_printf(sc->sc_dev, "fw not running\n"); return(ENXIO); } /* Clear TX and CMD ring write registers */ WRITE_REG(sc, TXP_H2A_1, TXP_BOOTCMD_NULL); WRITE_REG(sc, TXP_H2A_2, TXP_BOOTCMD_NULL); WRITE_REG(sc, TXP_H2A_3, TXP_BOOTCMD_NULL); WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_NULL); return (0); } static int txp_ioctl(ifp, command, data) struct ifnet *ifp; u_long command; caddr_t data; { struct txp_softc *sc = ifp->if_softc; struct ifreq *ifr = (struct ifreq *)data; int s, error = 0; s = splnet(); switch(command) { case SIOCSIFFLAGS: if (ifp->if_flags & IFF_UP) { txp_init(sc); } else { if (ifp->if_flags & IFF_RUNNING) txp_stop(sc); } break; case SIOCADDMULTI: case SIOCDELMULTI: /* * Multicast list has changed; set the hardware * filter accordingly. */ txp_set_filter(sc); error = 0; break; case SIOCGIFMEDIA: case SIOCSIFMEDIA: error = ifmedia_ioctl(ifp, ifr, &sc->sc_ifmedia, command); break; default: error = ether_ioctl(ifp, command, data); break; } (void)splx(s); return(error); } static int txp_rxring_fill(sc) struct txp_softc *sc; { int i; struct ifnet *ifp; struct txp_swdesc *sd; ifp = &sc->sc_arpcom.ac_if; for (i = 0; i < RXBUF_ENTRIES; i++) { sd = sc->sc_rxbufs[i].rb_sd; MGETHDR(sd->sd_mbuf, M_DONTWAIT, MT_DATA); if (sd->sd_mbuf == NULL) return(ENOBUFS); MCLGET(sd->sd_mbuf, M_DONTWAIT); if ((sd->sd_mbuf->m_flags & M_EXT) == 0) { m_freem(sd->sd_mbuf); return(ENOBUFS); } sd->sd_mbuf->m_pkthdr.len = sd->sd_mbuf->m_len = MCLBYTES; sd->sd_mbuf->m_pkthdr.rcvif = ifp; sc->sc_rxbufs[i].rb_paddrlo = vtophys(mtod(sd->sd_mbuf, vm_offset_t)); sc->sc_rxbufs[i].rb_paddrhi = 0; } sc->sc_hostvar->hv_rx_buf_write_idx = (RXBUF_ENTRIES - 1) * sizeof(struct txp_rxbuf_desc); return(0); } static void txp_rxring_empty(sc) struct txp_softc *sc; { int i; struct txp_swdesc *sd; if (sc->sc_rxbufs == NULL) return; for (i = 0; i < RXBUF_ENTRIES; i++) { if (&sc->sc_rxbufs[i] == NULL) continue; sd = sc->sc_rxbufs[i].rb_sd; if (sd == NULL) continue; if (sd->sd_mbuf != NULL) { m_freem(sd->sd_mbuf); sd->sd_mbuf = NULL; } } return; } static void txp_init(xsc) void *xsc; { struct txp_softc *sc; struct ifnet *ifp; u_int16_t p1; u_int32_t p2; int s; sc = xsc; ifp = &sc->sc_arpcom.ac_if; if (ifp->if_flags & IFF_RUNNING) return; txp_stop(sc); s = splnet(); txp_command(sc, TXP_CMD_MAX_PKT_SIZE_WRITE, TXP_MAX_PKTLEN, 0, 0, NULL, NULL, NULL, 1); /* Set station address. */ ((u_int8_t *)&p1)[1] = sc->sc_arpcom.ac_enaddr[0]; ((u_int8_t *)&p1)[0] = sc->sc_arpcom.ac_enaddr[1]; ((u_int8_t *)&p2)[3] = sc->sc_arpcom.ac_enaddr[2]; ((u_int8_t *)&p2)[2] = sc->sc_arpcom.ac_enaddr[3]; ((u_int8_t *)&p2)[1] = sc->sc_arpcom.ac_enaddr[4]; ((u_int8_t *)&p2)[0] = sc->sc_arpcom.ac_enaddr[5]; txp_command(sc, TXP_CMD_STATION_ADDRESS_WRITE, p1, p2, 0, NULL, NULL, NULL, 1); txp_set_filter(sc); txp_rxring_fill(sc); txp_command(sc, TXP_CMD_TX_ENABLE, 0, 0, 0, NULL, NULL, NULL, 1); txp_command(sc, TXP_CMD_RX_ENABLE, 0, 0, 0, NULL, NULL, NULL, 1); WRITE_REG(sc, TXP_IER, TXP_INT_RESERVED | TXP_INT_SELF | TXP_INT_A2H_7 | TXP_INT_A2H_6 | TXP_INT_A2H_5 | TXP_INT_A2H_4 | TXP_INT_A2H_2 | TXP_INT_A2H_1 | TXP_INT_A2H_0 | TXP_INT_DMA3 | TXP_INT_DMA2 | TXP_INT_DMA1 | TXP_INT_DMA0 | TXP_INT_PCI_TABORT | TXP_INT_PCI_MABORT | TXP_INT_LATCH); WRITE_REG(sc, TXP_IMR, TXP_INT_A2H_3); ifp->if_flags |= IFF_RUNNING; ifp->if_flags &= ~IFF_OACTIVE; ifp->if_timer = 0; sc->sc_tick = timeout(txp_tick, sc, hz); splx(s); } static void txp_tick(vsc) void *vsc; { struct txp_softc *sc = vsc; struct ifnet *ifp = &sc->sc_arpcom.ac_if; struct txp_rsp_desc *rsp = NULL; struct txp_ext_desc *ext; int s; s = splnet(); txp_rxbuf_reclaim(sc); if (txp_command2(sc, TXP_CMD_READ_STATISTICS, 0, 0, 0, NULL, 0, &rsp, 1)) goto out; if (rsp->rsp_numdesc != 6) goto out; if (txp_command(sc, TXP_CMD_CLEAR_STATISTICS, 0, 0, 0, NULL, NULL, NULL, 1)) goto out; ext = (struct txp_ext_desc *)(rsp + 1); ifp->if_ierrors += ext[3].ext_2 + ext[3].ext_3 + ext[3].ext_4 + ext[4].ext_1 + ext[4].ext_4; ifp->if_oerrors += ext[0].ext_1 + ext[1].ext_1 + ext[1].ext_4 + ext[2].ext_1; ifp->if_collisions += ext[0].ext_2 + ext[0].ext_3 + ext[1].ext_2 + ext[1].ext_3; ifp->if_opackets += rsp->rsp_par2; ifp->if_ipackets += ext[2].ext_3; out: if (rsp != NULL) free(rsp, M_DEVBUF); splx(s); sc->sc_tick = timeout(txp_tick, sc, hz); return; } static void txp_start(ifp) struct ifnet *ifp; { struct txp_softc *sc = ifp->if_softc; struct txp_tx_ring *r = &sc->sc_txhir; struct txp_tx_desc *txd; struct txp_frag_desc *fxd; struct mbuf *m, *m0; struct txp_swdesc *sd; u_int32_t firstprod, firstcnt, prod, cnt; struct m_tag *mtag; if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) return; prod = r->r_prod; cnt = r->r_cnt; while (1) { IF_DEQUEUE(&ifp->if_snd, m); if (m == NULL) break; firstprod = prod; firstcnt = cnt; sd = sc->sc_txd + prod; sd->sd_mbuf = m; if ((TX_ENTRIES - cnt) < 4) goto oactive; txd = r->r_desc + prod; txd->tx_flags = TX_FLAGS_TYPE_DATA; txd->tx_numdesc = 0; txd->tx_addrlo = 0; txd->tx_addrhi = 0; txd->tx_totlen = 0; txd->tx_pflags = 0; if (++prod == TX_ENTRIES) prod = 0; if (++cnt >= (TX_ENTRIES - 4)) goto oactive; mtag = VLAN_OUTPUT_TAG(ifp, m); if (mtag != NULL) { txd->tx_pflags = TX_PFLAGS_VLAN | (htons(VLAN_TAG_VALUE(mtag)) << TX_PFLAGS_VLANTAG_S); } if (m->m_pkthdr.csum_flags & CSUM_IP) txd->tx_pflags |= TX_PFLAGS_IPCKSUM; #if 0 if (m->m_pkthdr.csum_flags & CSUM_TCP) txd->tx_pflags |= TX_PFLAGS_TCPCKSUM; if (m->m_pkthdr.csum_flags & CSUM_UDP) txd->tx_pflags |= TX_PFLAGS_UDPCKSUM; #endif fxd = (struct txp_frag_desc *)(r->r_desc + prod); for (m0 = m; m0 != NULL; m0 = m0->m_next) { if (m0->m_len == 0) continue; if (++cnt >= (TX_ENTRIES - 4)) goto oactive; txd->tx_numdesc++; fxd->frag_flags = FRAG_FLAGS_TYPE_FRAG; fxd->frag_rsvd1 = 0; fxd->frag_len = m0->m_len; fxd->frag_addrlo = vtophys(mtod(m0, vm_offset_t)); fxd->frag_addrhi = 0; fxd->frag_rsvd2 = 0; if (++prod == TX_ENTRIES) { fxd = (struct txp_frag_desc *)r->r_desc; prod = 0; } else fxd++; } ifp->if_timer = 5; BPF_MTAP(ifp, m); WRITE_REG(sc, r->r_reg, TXP_IDX2OFFSET(prod)); } r->r_prod = prod; r->r_cnt = cnt; return; oactive: ifp->if_flags |= IFF_OACTIVE; r->r_prod = firstprod; r->r_cnt = firstcnt; IF_PREPEND(&ifp->if_snd, m); return; } /* * Handle simple commands sent to the typhoon */ static int txp_command(sc, id, in1, in2, in3, out1, out2, out3, wait) struct txp_softc *sc; u_int16_t id, in1, *out1; u_int32_t in2, in3, *out2, *out3; int wait; { struct txp_rsp_desc *rsp = NULL; if (txp_command2(sc, id, in1, in2, in3, NULL, 0, &rsp, wait)) return (-1); if (!wait) return (0); if (out1 != NULL) *out1 = rsp->rsp_par1; if (out2 != NULL) *out2 = rsp->rsp_par2; if (out3 != NULL) *out3 = rsp->rsp_par3; free(rsp, M_DEVBUF); return (0); } static int txp_command2(sc, id, in1, in2, in3, in_extp, in_extn, rspp, wait) struct txp_softc *sc; u_int16_t id, in1; u_int32_t in2, in3; struct txp_ext_desc *in_extp; u_int8_t in_extn; struct txp_rsp_desc **rspp; int wait; { struct txp_hostvar *hv = sc->sc_hostvar; struct txp_cmd_desc *cmd; struct txp_ext_desc *ext; u_int32_t idx, i; u_int16_t seq; if (txp_cmd_desc_numfree(sc) < (in_extn + 1)) { device_printf(sc->sc_dev, "no free cmd descriptors\n"); return (-1); } idx = sc->sc_cmdring.lastwrite; cmd = (struct txp_cmd_desc *)(((u_int8_t *)sc->sc_cmdring.base) + idx); bzero(cmd, sizeof(*cmd)); cmd->cmd_numdesc = in_extn; cmd->cmd_seq = seq = sc->sc_seq++; cmd->cmd_id = id; cmd->cmd_par1 = in1; cmd->cmd_par2 = in2; cmd->cmd_par3 = in3; cmd->cmd_flags = CMD_FLAGS_TYPE_CMD | (wait ? CMD_FLAGS_RESP : 0) | CMD_FLAGS_VALID; idx += sizeof(struct txp_cmd_desc); if (idx == sc->sc_cmdring.size) idx = 0; for (i = 0; i < in_extn; i++) { ext = (struct txp_ext_desc *)(((u_int8_t *)sc->sc_cmdring.base) + idx); bcopy(in_extp, ext, sizeof(struct txp_ext_desc)); in_extp++; idx += sizeof(struct txp_cmd_desc); if (idx == sc->sc_cmdring.size) idx = 0; } sc->sc_cmdring.lastwrite = idx; WRITE_REG(sc, TXP_H2A_2, sc->sc_cmdring.lastwrite); if (!wait) return (0); for (i = 0; i < 10000; i++) { idx = hv->hv_resp_read_idx; if (idx != hv->hv_resp_write_idx) { *rspp = NULL; if (txp_response(sc, idx, id, seq, rspp)) return (-1); if (*rspp != NULL) break; } DELAY(50); } if (i == 1000 || (*rspp) == NULL) { device_printf(sc->sc_dev, "0x%x command failed\n", id); return (-1); } return (0); } static int txp_response(sc, ridx, id, seq, rspp) struct txp_softc *sc; u_int32_t ridx; u_int16_t id; u_int16_t seq; struct txp_rsp_desc **rspp; { struct txp_hostvar *hv = sc->sc_hostvar; struct txp_rsp_desc *rsp; while (ridx != hv->hv_resp_write_idx) { rsp = (struct txp_rsp_desc *)(((u_int8_t *)sc->sc_rspring.base) + ridx); if (id == rsp->rsp_id && rsp->rsp_seq == seq) { *rspp = (struct txp_rsp_desc *)malloc( sizeof(struct txp_rsp_desc) * (rsp->rsp_numdesc + 1), M_DEVBUF, M_NOWAIT); if ((*rspp) == NULL) return (-1); txp_rsp_fixup(sc, rsp, *rspp); return (0); } if (rsp->rsp_flags & RSP_FLAGS_ERROR) { device_printf(sc->sc_dev, "response error!\n"); txp_rsp_fixup(sc, rsp, NULL); ridx = hv->hv_resp_read_idx; continue; } switch (rsp->rsp_id) { case TXP_CMD_CYCLE_STATISTICS: case TXP_CMD_MEDIA_STATUS_READ: break; case TXP_CMD_HELLO_RESPONSE: device_printf(sc->sc_dev, "hello\n"); break; default: device_printf(sc->sc_dev, "unknown id(0x%x)\n", rsp->rsp_id); } txp_rsp_fixup(sc, rsp, NULL); ridx = hv->hv_resp_read_idx; hv->hv_resp_read_idx = ridx; } return (0); } static void txp_rsp_fixup(sc, rsp, dst) struct txp_softc *sc; struct txp_rsp_desc *rsp, *dst; { struct txp_rsp_desc *src = rsp; struct txp_hostvar *hv = sc->sc_hostvar; u_int32_t i, ridx; ridx = hv->hv_resp_read_idx; for (i = 0; i < rsp->rsp_numdesc + 1; i++) { if (dst != NULL) bcopy(src, dst++, sizeof(struct txp_rsp_desc)); ridx += sizeof(struct txp_rsp_desc); if (ridx == sc->sc_rspring.size) { src = sc->sc_rspring.base; ridx = 0; } else src++; sc->sc_rspring.lastwrite = hv->hv_resp_read_idx = ridx; } hv->hv_resp_read_idx = ridx; } static int txp_cmd_desc_numfree(sc) struct txp_softc *sc; { struct txp_hostvar *hv = sc->sc_hostvar; struct txp_boot_record *br = sc->sc_boot; u_int32_t widx, ridx, nfree; widx = sc->sc_cmdring.lastwrite; ridx = hv->hv_cmd_read_idx; if (widx == ridx) { /* Ring is completely free */ nfree = br->br_cmd_siz - sizeof(struct txp_cmd_desc); } else { if (widx > ridx) nfree = br->br_cmd_siz - (widx - ridx + sizeof(struct txp_cmd_desc)); else nfree = ridx - widx - sizeof(struct txp_cmd_desc); } return (nfree / sizeof(struct txp_cmd_desc)); } static void txp_stop(sc) struct txp_softc *sc; { struct ifnet *ifp; ifp = &sc->sc_arpcom.ac_if; ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); untimeout(txp_tick, sc, sc->sc_tick); txp_command(sc, TXP_CMD_TX_DISABLE, 0, 0, 0, NULL, NULL, NULL, 1); txp_command(sc, TXP_CMD_RX_DISABLE, 0, 0, 0, NULL, NULL, NULL, 1); txp_rxring_empty(sc); return; } static void txp_watchdog(ifp) struct ifnet *ifp; { return; } static int txp_ifmedia_upd(ifp) struct ifnet *ifp; { struct txp_softc *sc = ifp->if_softc; struct ifmedia *ifm = &sc->sc_ifmedia; u_int16_t new_xcvr; if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) return (EINVAL); if (IFM_SUBTYPE(ifm->ifm_media) == IFM_10_T) { if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX) new_xcvr = TXP_XCVR_10_FDX; else new_xcvr = TXP_XCVR_10_HDX; } else if (IFM_SUBTYPE(ifm->ifm_media) == IFM_100_TX) { if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX) new_xcvr = TXP_XCVR_100_FDX; else new_xcvr = TXP_XCVR_100_HDX; } else if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) { new_xcvr = TXP_XCVR_AUTO; } else return (EINVAL); /* nothing to do */ if (sc->sc_xcvr == new_xcvr) return (0); txp_command(sc, TXP_CMD_XCVR_SELECT, new_xcvr, 0, 0, NULL, NULL, NULL, 0); sc->sc_xcvr = new_xcvr; return (0); } static void txp_ifmedia_sts(ifp, ifmr) struct ifnet *ifp; struct ifmediareq *ifmr; { struct txp_softc *sc = ifp->if_softc; struct ifmedia *ifm = &sc->sc_ifmedia; u_int16_t bmsr, bmcr, anlpar; ifmr->ifm_status = IFM_AVALID; ifmr->ifm_active = IFM_ETHER; if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_BMSR, 0, &bmsr, NULL, NULL, 1)) goto bail; if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_BMSR, 0, &bmsr, NULL, NULL, 1)) goto bail; if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_BMCR, 0, &bmcr, NULL, NULL, 1)) goto bail; if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_ANLPAR, 0, &anlpar, NULL, NULL, 1)) goto bail; if (bmsr & BMSR_LINK) ifmr->ifm_status |= IFM_ACTIVE; if (bmcr & BMCR_ISO) { ifmr->ifm_active |= IFM_NONE; ifmr->ifm_status = 0; return; } if (bmcr & BMCR_LOOP) ifmr->ifm_active |= IFM_LOOP; if (bmcr & BMCR_AUTOEN) { if ((bmsr & BMSR_ACOMP) == 0) { ifmr->ifm_active |= IFM_NONE; return; } if (anlpar & ANLPAR_T4) ifmr->ifm_active |= IFM_100_T4; else if (anlpar & ANLPAR_TX_FD) ifmr->ifm_active |= IFM_100_TX|IFM_FDX; else if (anlpar & ANLPAR_TX) ifmr->ifm_active |= IFM_100_TX; else if (anlpar & ANLPAR_10_FD) ifmr->ifm_active |= IFM_10_T|IFM_FDX; else if (anlpar & ANLPAR_10) ifmr->ifm_active |= IFM_10_T; else ifmr->ifm_active |= IFM_NONE; } else ifmr->ifm_active = ifm->ifm_cur->ifm_media; return; bail: ifmr->ifm_active |= IFM_NONE; ifmr->ifm_status &= ~IFM_AVALID; } #ifdef TXP_DEBUG static void txp_show_descriptor(d) void *d; { struct txp_cmd_desc *cmd = d; struct txp_rsp_desc *rsp = d; struct txp_tx_desc *txd = d; struct txp_frag_desc *frgd = d; switch (cmd->cmd_flags & CMD_FLAGS_TYPE_M) { case CMD_FLAGS_TYPE_CMD: /* command descriptor */ printf("[cmd flags 0x%x num %d id %d seq %d par1 0x%x par2 0x%x par3 0x%x]\n", cmd->cmd_flags, cmd->cmd_numdesc, cmd->cmd_id, cmd->cmd_seq, cmd->cmd_par1, cmd->cmd_par2, cmd->cmd_par3); break; case CMD_FLAGS_TYPE_RESP: /* response descriptor */ printf("[rsp flags 0x%x num %d id %d seq %d par1 0x%x par2 0x%x par3 0x%x]\n", rsp->rsp_flags, rsp->rsp_numdesc, rsp->rsp_id, rsp->rsp_seq, rsp->rsp_par1, rsp->rsp_par2, rsp->rsp_par3); break; case CMD_FLAGS_TYPE_DATA: /* data header (assuming tx for now) */ printf("[data flags 0x%x num %d totlen %d addr 0x%x/0x%x pflags 0x%x]", txd->tx_flags, txd->tx_numdesc, txd->tx_totlen, txd->tx_addrlo, txd->tx_addrhi, txd->tx_pflags); break; case CMD_FLAGS_TYPE_FRAG: /* fragment descriptor */ printf("[frag flags 0x%x rsvd1 0x%x len %d addr 0x%x/0x%x rsvd2 0x%x]", frgd->frag_flags, frgd->frag_rsvd1, frgd->frag_len, frgd->frag_addrlo, frgd->frag_addrhi, frgd->frag_rsvd2); break; default: printf("[unknown(%x) flags 0x%x num %d id %d seq %d par1 0x%x par2 0x%x par3 0x%x]\n", cmd->cmd_flags & CMD_FLAGS_TYPE_M, cmd->cmd_flags, cmd->cmd_numdesc, cmd->cmd_id, cmd->cmd_seq, cmd->cmd_par1, cmd->cmd_par2, cmd->cmd_par3); break; } } #endif static void txp_set_filter(sc) struct txp_softc *sc; { struct ifnet *ifp = &sc->sc_arpcom.ac_if; u_int32_t crc, carry, hashbit, hash[2]; u_int16_t filter; u_int8_t octet; int i, j, mcnt = 0; struct ifmultiaddr *ifma; char *enm; if (ifp->if_flags & IFF_PROMISC) { filter = TXP_RXFILT_PROMISC; goto setit; } filter = TXP_RXFILT_DIRECT; if (ifp->if_flags & IFF_BROADCAST) filter |= TXP_RXFILT_BROADCAST; if (ifp->if_flags & IFF_ALLMULTI) filter |= TXP_RXFILT_ALLMULTI; else { hash[0] = hash[1] = 0; TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { if (ifma->ifma_addr->sa_family != AF_LINK) continue; enm = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); mcnt++; crc = 0xffffffff; for (i = 0; i < ETHER_ADDR_LEN; i++) { octet = enm[i]; for (j = 0; j < 8; j++) { carry = ((crc & 0x80000000) ? 1 : 0) ^ (octet & 1); crc <<= 1; octet >>= 1; if (carry) crc = (crc ^ TXP_POLYNOMIAL) | carry; } } hashbit = (u_int16_t)(crc & (64 - 1)); hash[hashbit / 32] |= (1 << hashbit % 32); } if (mcnt > 0) { filter |= TXP_RXFILT_HASHMULTI; txp_command(sc, TXP_CMD_MCAST_HASH_MASK_WRITE, 2, hash[0], hash[1], NULL, NULL, NULL, 0); } } setit: txp_command(sc, TXP_CMD_RX_FILTER_WRITE, filter, 0, 0, NULL, NULL, NULL, 1); return; } static void txp_capabilities(sc) struct txp_softc *sc; { struct ifnet *ifp = &sc->sc_arpcom.ac_if; struct txp_rsp_desc *rsp = NULL; struct txp_ext_desc *ext; if (txp_command2(sc, TXP_CMD_OFFLOAD_READ, 0, 0, 0, NULL, 0, &rsp, 1)) goto out; if (rsp->rsp_numdesc != 1) goto out; ext = (struct txp_ext_desc *)(rsp + 1); sc->sc_tx_capability = ext->ext_1 & OFFLOAD_MASK; sc->sc_rx_capability = ext->ext_2 & OFFLOAD_MASK; ifp->if_capabilities = 0; if (rsp->rsp_par2 & rsp->rsp_par3 & OFFLOAD_VLAN) { sc->sc_tx_capability |= OFFLOAD_VLAN; sc->sc_rx_capability |= OFFLOAD_VLAN; ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING; } #if 0 /* not ready yet */ if (rsp->rsp_par2 & rsp->rsp_par3 & OFFLOAD_IPSEC) { sc->sc_tx_capability |= OFFLOAD_IPSEC; sc->sc_rx_capability |= OFFLOAD_IPSEC; ifp->if_capabilities |= IFCAP_IPSEC; } #endif if (rsp->rsp_par2 & rsp->rsp_par3 & OFFLOAD_IPCKSUM) { sc->sc_tx_capability |= OFFLOAD_IPCKSUM; sc->sc_rx_capability |= OFFLOAD_IPCKSUM; ifp->if_capabilities |= IFCAP_HWCSUM; ifp->if_hwassist |= CSUM_IP; } if (rsp->rsp_par2 & rsp->rsp_par3 & OFFLOAD_TCPCKSUM) { #if 0 sc->sc_tx_capability |= OFFLOAD_TCPCKSUM; #endif sc->sc_rx_capability |= OFFLOAD_TCPCKSUM; ifp->if_capabilities |= IFCAP_HWCSUM; } if (rsp->rsp_par2 & rsp->rsp_par3 & OFFLOAD_UDPCKSUM) { #if 0 sc->sc_tx_capability |= OFFLOAD_UDPCKSUM; #endif sc->sc_rx_capability |= OFFLOAD_UDPCKSUM; ifp->if_capabilities |= IFCAP_HWCSUM; } ifp->if_capenable = ifp->if_capabilities; if (txp_command(sc, TXP_CMD_OFFLOAD_WRITE, 0, sc->sc_tx_capability, sc->sc_rx_capability, NULL, NULL, NULL, 1)) goto out; out: if (rsp != NULL) free(rsp, M_DEVBUF); return; }