/* $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: src/sys/dev/txp/if_txp.c,v 1.48 2007/11/16 10:32:10 yongari Exp $"); /* * Driver for 3c990 (Typhoon) Ethernet ASIC */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if 1 #include #include #else #include "if_txpreg.h" #include "3c990img.h" #endif MODULE_DEPEND(txp, pci, 1, 1, 1); MODULE_DEPEND(txp, ether, 1, 1, 1); /* * XXX Known Typhoon firmware issues. * * 1. It seems that firmware has Tx TCP/UDP checksum offloading bug. * The firmware hangs when it's told to compute TCP/UDP checksum. * I'm not sure whether the firmware requires special alignment to * do checksum offloading but data sheet says nothing about that. * 2. Data sheet said nothing for maximum number of fragmented * descriptors supported. Experimentation shows up to 16 fragment * descriptors are supported in the firmware. For TSO case, upper * stack can send 64KB sized IP datagram plus link header size( * ethernet header + VLAN tag) frame but controller can handle up * to 64KB frame given that PAGE_SIZE is 4KB(i.e. 16 * PAGE_SIZE). * Because frames that need TSO operation of hardware can be * larger than 64KB I disabled TSO capability. TSO operation for * less than or equal to 16 fragment descriptors works without * problems, though. * 3. VLAN hardware tag stripping is always enabled in the firmware * even if it's explicitly told to not strip the tag. It's * possible to add the tag back in Rx handler if VLAN hardware * tag is not active but I didn't try that as it would be * layering violation. * 4. TXP_CMD_RECV_BUFFER_CONTROL does not work as expected in data * sheet such that driver should handle the alignment restriction * by copying received frame to align the frame on 32bit boundary * on strict-alignment architectures. This adds a lot of CPU * burden and it effectively reduce Rx performance on * strict-alignment architectures(e.g. sparc64, arm, mips and ia64). * * Unfortunately it seems that 3Com have no longer interests in * releasing fixed firmware so we may have to live with these bugs. */ #define TXP_CSUM_FEATURES (CSUM_IP) /* * 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 int txp_shutdown(device_t); static int txp_suspend(device_t); static int txp_resume(device_t); static int txp_intr(void *); static void txp_int_task(void *, int); static void txp_tick(void *); static int txp_ioctl(struct ifnet *, u_long, caddr_t); static void txp_start(struct ifnet *); static void txp_start_locked(struct ifnet *); static int txp_encap(struct txp_softc *, struct txp_tx_ring *, struct mbuf **); static void txp_stop(struct txp_softc *); static void txp_init(void *); static void txp_init_locked(struct txp_softc *); static void txp_watchdog(struct txp_softc *); static int txp_reset(struct txp_softc *); static int txp_boot(struct txp_softc *, uint32_t); static int txp_sleep(struct txp_softc *, int); static int txp_wait(struct txp_softc *, uint32_t); 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 void txp_init_rings(struct txp_softc *); static int txp_dma_alloc(struct txp_softc *, char *, bus_dma_tag_t *, bus_size_t, bus_size_t, bus_dmamap_t *, void **, bus_size_t, bus_addr_t *); static void txp_dma_free(struct txp_softc *, bus_dma_tag_t *, bus_dmamap_t *, void **); static void txp_free_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 *, uint16_t, uint16_t, uint32_t, uint32_t, uint16_t *, uint32_t *, uint32_t *, int); static int txp_ext_command(struct txp_softc *, uint16_t, uint16_t, uint32_t, uint32_t, struct txp_ext_desc *, uint8_t, struct txp_rsp_desc **, int); static int txp_response(struct txp_softc *, uint16_t, uint16_t, struct txp_rsp_desc **); static void txp_rsp_fixup(struct txp_softc *, struct txp_rsp_desc *, struct txp_rsp_desc *); static int txp_set_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 *); #ifndef __NO_STRICT_ALIGNMENT static __inline void txp_fixup_rx(struct mbuf *); #endif static int txp_rx_reclaim(struct txp_softc *, struct txp_rx_ring *, int); static void txp_stats_save(struct txp_softc *); static void txp_stats_update(struct txp_softc *, struct txp_rsp_desc *); static void txp_sysctl_node(struct txp_softc *); static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int, int); static int sysctl_hw_txp_proc_limit(SYSCTL_HANDLER_ARGS); static int prefer_iomap = 0; TUNABLE_INT("hw.txp.prefer_iomap", &prefer_iomap); 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), DEVMETHOD(device_suspend, txp_suspend), DEVMETHOD(device_resume, txp_resume), { NULL, NULL } }; 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); static int txp_probe(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 (BUS_PROBE_DEFAULT); } t++; } return (ENXIO); } static int txp_attach(device_t dev) { struct txp_softc *sc; struct ifnet *ifp; struct txp_rsp_desc *rsp; uint16_t p1; uint32_t p2, reg; int error = 0, pmc, rid; uint8_t eaddr[ETHER_ADDR_LEN], *ver; sc = device_get_softc(dev); sc->sc_dev = dev; mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, MTX_DEF); callout_init_mtx(&sc->sc_tick, &sc->sc_mtx, 0); TASK_INIT(&sc->sc_int_task, 0, txp_int_task, sc); TAILQ_INIT(&sc->sc_busy_list); TAILQ_INIT(&sc->sc_free_list); 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); pci_enable_busmaster(dev); /* Prefer memory space register mapping over IO space. */ if (prefer_iomap == 0) { sc->sc_res_id = PCIR_BAR(1); sc->sc_res_type = SYS_RES_MEMORY; } else { sc->sc_res_id = PCIR_BAR(0); sc->sc_res_type = SYS_RES_IOPORT; } sc->sc_res = bus_alloc_resource_any(dev, sc->sc_res_type, &sc->sc_res_id, RF_ACTIVE); if (sc->sc_res == NULL && prefer_iomap == 0) { sc->sc_res_id = PCIR_BAR(0); sc->sc_res_type = SYS_RES_IOPORT; sc->sc_res = bus_alloc_resource_any(dev, sc->sc_res_type, &sc->sc_res_id, RF_ACTIVE); } if (sc->sc_res == NULL) { device_printf(dev, "couldn't map ports/memory\n"); ifmedia_removeall(&sc->sc_ifmedia); mtx_destroy(&sc->sc_mtx); return (ENXIO); } /* Enable MWI. */ reg = pci_read_config(dev, PCIR_COMMAND, 2); reg |= PCIM_CMD_MWRICEN; pci_write_config(dev, PCIR_COMMAND, reg, 2); /* Check cache line size. */ reg = pci_read_config(dev, PCIR_CACHELNSZ, 1); reg <<= 4; if (reg == 0 || (reg % 16) != 0) device_printf(sc->sc_dev, "invalid cache line size : %u\n", reg); /* 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"); error = ENXIO; goto fail; } if ((error = txp_alloc_rings(sc)) != 0) goto fail; txp_init_rings(sc); txp_sysctl_node(sc); /* Reset controller and make it reload sleep image. */ if (txp_reset(sc) != 0) { error = ENXIO; goto fail; } /* Let controller boot from sleep image. */ if (txp_boot(sc, STAT_WAITING_FOR_HOST_REQUEST) != 0) { device_printf(sc->sc_dev, "could not boot sleep image\n"); error = ENXIO; goto fail; } /* Get station address. */ if (txp_command(sc, TXP_CMD_STATION_ADDRESS_READ, 0, 0, 0, &p1, &p2, NULL, TXP_CMD_WAIT)) { error = ENXIO; goto fail; } p1 = le16toh(p1); eaddr[0] = ((uint8_t *)&p1)[1]; eaddr[1] = ((uint8_t *)&p1)[0]; p2 = le32toh(p2); eaddr[2] = ((uint8_t *)&p2)[3]; eaddr[3] = ((uint8_t *)&p2)[2]; eaddr[4] = ((uint8_t *)&p2)[1]; eaddr[5] = ((uint8_t *)&p2)[0]; ifp = sc->sc_ifp = if_alloc(IFT_ETHER); if (ifp == NULL) { device_printf(dev, "can not allocate ifnet structure\n"); error = ENOSPC; goto fail; } /* * Show sleep image version information which may help to * diagnose sleep image specific issues. */ rsp = NULL; if (txp_ext_command(sc, TXP_CMD_READ_VERSION, 0, 0, 0, NULL, 0, &rsp, TXP_CMD_WAIT)) { device_printf(dev, "can not read sleep image version\n"); error = ENXIO; goto fail; } if (rsp->rsp_numdesc == 0) { p2 = le32toh(rsp->rsp_par2) & 0xFFFF; device_printf(dev, "Typhoon 1.0 sleep image (2000/%02u/%02u)\n", p2 >> 8, p2 & 0xFF); } else if (rsp->rsp_numdesc == 2) { p2 = le32toh(rsp->rsp_par2); ver = (uint8_t *)(rsp + 1); /* * Even if data sheet says the command returns a NULL * terminated version string, explicitly terminate * the string. Given that several bugs of firmware * I can't trust this simple one. */ ver[25] = '\0'; device_printf(dev, "Typhoon 1.1+ sleep image %02u.%03u.%03u %s\n", p2 >> 24, (p2 >> 12) & 0xFFF, p2 & 0xFFF, ver); } else { p2 = le32toh(rsp->rsp_par2); device_printf(dev, "Unknown Typhoon sleep image version: %u:0x%08x\n", rsp->rsp_numdesc, p2); } if (rsp != NULL) free(rsp, M_DEVBUF); sc->sc_xcvr = TXP_XCVR_AUTO; txp_command(sc, TXP_CMD_XCVR_SELECT, TXP_XCVR_AUTO, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT); ifmedia_set(&sc->sc_ifmedia, IFM_ETHER | IFM_AUTO); ifp->if_softc = sc; if_initname(ifp, device_get_name(dev), device_get_unit(dev)); ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_ioctl = txp_ioctl; ifp->if_start = txp_start; ifp->if_init = txp_init; ifp->if_snd.ifq_drv_maxlen = TX_ENTRIES - 1; IFQ_SET_MAXLEN(&ifp->if_snd, ifp->if_snd.ifq_drv_maxlen); IFQ_SET_READY(&ifp->if_snd); /* * It's possible to read firmware's offload capability but * we have not downloaded the firmware yet so announce * working capability here. We're not interested in IPSec * capability and lots of firmware bug we can't advertise * the whole capability anyway. */ ifp->if_capabilities = IFCAP_RXCSUM | IFCAP_TXCSUM; if (pci_find_extcap(dev, PCIY_PMG, &pmc) == 0) ifp->if_capabilities |= IFCAP_WOL_MAGIC; /* Enable all capabilities. */ ifp->if_capenable = ifp->if_capabilities; ether_ifattach(ifp, eaddr); /* VLAN capability setup. */ ifp->if_capabilities |= IFCAP_VLAN_MTU; ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWCSUM; ifp->if_capenable = ifp->if_capabilities; /* Tell the upper layer(s) we support long frames. */ ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); WRITE_REG(sc, TXP_IER, TXP_INTR_NONE); WRITE_REG(sc, TXP_IMR, TXP_INTR_ALL); /* Create local taskq. */ sc->sc_tq = taskqueue_create_fast("txp_taskq", M_WAITOK, taskqueue_thread_enqueue, &sc->sc_tq); if (sc->sc_tq == NULL) { device_printf(dev, "could not create taskqueue.\n"); ether_ifdetach(ifp); error = ENXIO; goto fail; } taskqueue_start_threads(&sc->sc_tq, 1, PI_NET, "%s taskq", device_get_nameunit(sc->sc_dev)); /* Put controller into sleep. */ if (txp_sleep(sc, 0) != 0) { ether_ifdetach(ifp); error = ENXIO; goto fail; } error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_NET | INTR_MPSAFE, txp_intr, NULL, sc, &sc->sc_intrhand); if (error != 0) { ether_ifdetach(ifp); device_printf(dev, "couldn't set up interrupt handler.\n"); goto fail; } return (0); fail: if (error != 0) txp_detach(dev); return (error); } static int txp_detach(device_t dev) { struct txp_softc *sc; struct ifnet *ifp; sc = device_get_softc(dev); ifp = sc->sc_ifp; if (device_is_attached(dev)) { TXP_LOCK(sc); sc->sc_flags |= TXP_FLAG_DETACH; txp_stop(sc); TXP_UNLOCK(sc); callout_drain(&sc->sc_tick); taskqueue_drain(sc->sc_tq, &sc->sc_int_task); ether_ifdetach(ifp); } WRITE_REG(sc, TXP_IMR, TXP_INTR_ALL); ifmedia_removeall(&sc->sc_ifmedia); 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, sc->sc_res_type, sc->sc_res_id, sc->sc_res); if (sc->sc_ifp != NULL) { if_free(sc->sc_ifp); sc->sc_ifp = NULL; } txp_free_rings(sc); mtx_destroy(&sc->sc_mtx); return (0); } static int txp_reset(struct txp_softc *sc) { uint32_t r; int i; /* Disable interrupts. */ WRITE_REG(sc, TXP_IER, TXP_INTR_NONE); WRITE_REG(sc, TXP_IMR, TXP_INTR_ALL); /* Ack all pending interrupts. */ WRITE_REG(sc, TXP_ISR, TXP_INTR_ALL); 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"); WRITE_REG(sc, TXP_IER, TXP_INTR_NONE); WRITE_REG(sc, TXP_IMR, TXP_INTR_ALL); WRITE_REG(sc, TXP_ISR, TXP_INTR_ALL); /* * Give more time to complete loading sleep image before * trying to boot from sleep image. */ DELAY(5000); return (0); } static int txp_boot(struct txp_softc *sc, uint32_t state) { /* See if it's waiting for boot, and try to boot it. */ if (txp_wait(sc, state) != 0) { device_printf(sc->sc_dev, "not waiting for boot\n"); return (ENXIO); } WRITE_REG(sc, TXP_H2A_2, TXP_ADDR_HI(sc->sc_ldata.txp_boot_paddr)); TXP_BARRIER(sc, TXP_H2A_2, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_1, TXP_ADDR_LO(sc->sc_ldata.txp_boot_paddr)); TXP_BARRIER(sc, TXP_H2A_1, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_REGISTER_BOOT_RECORD); TXP_BARRIER(sc, TXP_H2A_0, 4, BUS_SPACE_BARRIER_WRITE); /* See if it booted. */ if (txp_wait(sc, STAT_RUNNING) != 0) { device_printf(sc->sc_dev, "firmware not running\n"); return (ENXIO); } /* Clear TX and CMD ring write registers. */ WRITE_REG(sc, TXP_H2A_1, TXP_BOOTCMD_NULL); TXP_BARRIER(sc, TXP_H2A_1, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_2, TXP_BOOTCMD_NULL); TXP_BARRIER(sc, TXP_H2A_2, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_3, TXP_BOOTCMD_NULL); TXP_BARRIER(sc, TXP_H2A_3, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_NULL); TXP_BARRIER(sc, TXP_H2A_0, 4, BUS_SPACE_BARRIER_WRITE); return (0); } static int txp_download_fw(struct txp_softc *sc) { struct txp_fw_file_header *fileheader; struct txp_fw_section_header *secthead; int sect; uint32_t error, ier, imr; TXP_LOCK_ASSERT(sc); error = 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); if (txp_wait(sc, STAT_WAITING_FOR_HOST_REQUEST) != 0) { device_printf(sc->sc_dev, "not waiting for host request\n"); error = ETIMEDOUT; goto fail; } /* 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, "firmware invalid magic\n"); goto fail; } /* Tell boot firmware to get ready for image. */ WRITE_REG(sc, TXP_H2A_1, le32toh(fileheader->addr)); TXP_BARRIER(sc, TXP_H2A_1, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_2, le32toh(fileheader->hmac[0])); TXP_BARRIER(sc, TXP_H2A_2, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_3, le32toh(fileheader->hmac[1])); TXP_BARRIER(sc, TXP_H2A_3, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_4, le32toh(fileheader->hmac[2])); TXP_BARRIER(sc, TXP_H2A_4, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_5, le32toh(fileheader->hmac[3])); TXP_BARRIER(sc, TXP_H2A_5, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_6, le32toh(fileheader->hmac[4])); TXP_BARRIER(sc, TXP_H2A_6, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_RUNTIME_IMAGE); TXP_BARRIER(sc, TXP_H2A_0, 4, BUS_SPACE_BARRIER_WRITE); if (txp_download_fw_wait(sc)) { device_printf(sc->sc_dev, "firmware wait failed, initial\n"); error = ETIMEDOUT; goto fail; } secthead = (struct txp_fw_section_header *)(((uint8_t *)tc990image) + sizeof(struct txp_fw_file_header)); for (sect = 0; sect < le32toh(fileheader->nsections); sect++) { if ((error = txp_download_fw_section(sc, secthead, sect)) != 0) goto fail; secthead = (struct txp_fw_section_header *) (((uint8_t *)secthead) + le32toh(secthead->nbytes) + sizeof(*secthead)); } WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_DOWNLOAD_COMPLETE); TXP_BARRIER(sc, TXP_H2A_0, 4, BUS_SPACE_BARRIER_WRITE); if (txp_wait(sc, STAT_WAITING_FOR_BOOT) != 0) { device_printf(sc->sc_dev, "not waiting for boot\n"); error = ETIMEDOUT; goto fail; } fail: WRITE_REG(sc, TXP_IER, ier); WRITE_REG(sc, TXP_IMR, imr); return (error); } static int txp_download_fw_wait(struct txp_softc *sc) { uint32_t i; TXP_LOCK_ASSERT(sc); for (i = 0; i < TXP_TIMEOUT; i++) { if ((READ_REG(sc, TXP_ISR) & TXP_INT_A2H_0) != 0) break; DELAY(50); } if (i == TXP_TIMEOUT) { device_printf(sc->sc_dev, "firmware wait failed comm0\n"); return (ETIMEDOUT); } WRITE_REG(sc, TXP_ISR, TXP_INT_A2H_0); if (READ_REG(sc, TXP_A2H_0) != STAT_WAITING_FOR_SEGMENT) { device_printf(sc->sc_dev, "firmware not waiting for segment\n"); return (ETIMEDOUT); } return (0); } static int txp_download_fw_section(struct txp_softc *sc, struct txp_fw_section_header *sect, int sectnum) { bus_dma_tag_t sec_tag; bus_dmamap_t sec_map; bus_addr_t sec_paddr; uint8_t *sec_buf; int rseg, err = 0; struct mbuf m; uint16_t csum; TXP_LOCK_ASSERT(sc); /* Skip zero length sections. */ if (le32toh(sect->nbytes) == 0) return (0); /* Make sure we aren't past the end of the image. */ rseg = ((uint8_t *)sect) - ((uint8_t *)tc990image); if (rseg >= sizeof(tc990image)) { device_printf(sc->sc_dev, "firmware invalid section address, section %d\n", sectnum); return (EIO); } /* Make sure this section doesn't go past the end. */ rseg += le32toh(sect->nbytes); if (rseg >= sizeof(tc990image)) { device_printf(sc->sc_dev, "firmware truncated section %d\n", sectnum); return (EIO); } sec_tag = NULL; sec_map = NULL; sec_buf = NULL; /* XXX */ TXP_UNLOCK(sc); err = txp_dma_alloc(sc, "firmware sections", &sec_tag, sizeof(uint32_t), 0, &sec_map, (void **)&sec_buf, le32toh(sect->nbytes), &sec_paddr); TXP_LOCK(sc); if (err != 0) goto bail; bcopy(((uint8_t *)sect) + sizeof(*sect), sec_buf, le32toh(sect->nbytes)); /* * dummy up mbuf and verify section checksum */ m.m_type = MT_DATA; m.m_next = m.m_nextpkt = NULL; m.m_len = le32toh(sect->nbytes); m.m_data = sec_buf; m.m_flags = 0; csum = in_cksum(&m, le32toh(sect->nbytes)); if (csum != sect->cksum) { device_printf(sc->sc_dev, "firmware section %d, bad cksum (expected 0x%x got 0x%x)\n", sectnum, le16toh(sect->cksum), csum); err = EIO; goto bail; } bus_dmamap_sync(sec_tag, sec_map, BUS_DMASYNC_PREWRITE); WRITE_REG(sc, TXP_H2A_1, le32toh(sect->nbytes)); TXP_BARRIER(sc, TXP_H2A_1, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_2, le16toh(sect->cksum)); TXP_BARRIER(sc, TXP_H2A_2, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_3, le32toh(sect->addr)); TXP_BARRIER(sc, TXP_H2A_3, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_4, TXP_ADDR_HI(sec_paddr)); TXP_BARRIER(sc, TXP_H2A_4, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_5, TXP_ADDR_LO(sec_paddr)); TXP_BARRIER(sc, TXP_H2A_5, 4, BUS_SPACE_BARRIER_WRITE); WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_SEGMENT_AVAILABLE); TXP_BARRIER(sc, TXP_H2A_0, 4, BUS_SPACE_BARRIER_WRITE); if (txp_download_fw_wait(sc)) { device_printf(sc->sc_dev, "firmware wait failed, section %d\n", sectnum); err = ETIMEDOUT; } bus_dmamap_sync(sec_tag, sec_map, BUS_DMASYNC_POSTWRITE); bail: txp_dma_free(sc, &sec_tag, &sec_map, (void **)&sec_buf); return (err); } static int txp_intr(void *vsc) { struct txp_softc *sc; uint32_t status; sc = vsc; status = READ_REG(sc, TXP_ISR); if ((status & TXP_INT_LATCH) == 0) return (FILTER_STRAY); WRITE_REG(sc, TXP_ISR, status); WRITE_REG(sc, TXP_IMR, TXP_INTR_ALL); taskqueue_enqueue(sc->sc_tq, &sc->sc_int_task); return (FILTER_HANDLED); } static void txp_int_task(void *arg, int pending) { struct txp_softc *sc; struct ifnet *ifp; struct txp_hostvar *hv; uint32_t isr; int more; sc = (struct txp_softc *)arg; TXP_LOCK(sc); ifp = sc->sc_ifp; hv = sc->sc_hostvar; isr = READ_REG(sc, TXP_ISR); if ((isr & TXP_INT_LATCH) != 0) WRITE_REG(sc, TXP_ISR, isr); if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) { bus_dmamap_sync(sc->sc_cdata.txp_hostvar_tag, sc->sc_cdata.txp_hostvar_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); more = 0; if ((*sc->sc_rxhir.r_roff) != (*sc->sc_rxhir.r_woff)) more += txp_rx_reclaim(sc, &sc->sc_rxhir, sc->sc_process_limit); if ((*sc->sc_rxlor.r_roff) != (*sc->sc_rxlor.r_woff)) more += txp_rx_reclaim(sc, &sc->sc_rxlor, sc->sc_process_limit); /* * XXX * It seems controller is not smart enough to handle * FIFO overflow conditions under heavy network load. * No matter how often new Rx buffers are passed to * controller the situation didn't change. Maybe * flow-control would be the only way to mitigate the * issue but firmware does not have commands that * control the threshold of emitting pause frames. */ 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(le32toh(*(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(le32toh(*(sc->sc_txlor.r_off))))) txp_tx_reclaim(sc, &sc->sc_txlor); bus_dmamap_sync(sc->sc_cdata.txp_hostvar_tag, sc->sc_cdata.txp_hostvar_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) txp_start_locked(sc->sc_ifp); if (more != 0 || READ_REG(sc, TXP_ISR & TXP_INT_LATCH) != 0) { taskqueue_enqueue(sc->sc_tq, &sc->sc_int_task); TXP_UNLOCK(sc); return; } } /* Re-enable interrupts. */ WRITE_REG(sc, TXP_IMR, TXP_INTR_NONE); TXP_UNLOCK(sc); } #ifndef __NO_STRICT_ALIGNMENT static __inline void txp_fixup_rx(struct mbuf *m) { int i; uint16_t *src, *dst; src = mtod(m, uint16_t *); dst = src - (TXP_RXBUF_ALIGN - ETHER_ALIGN) / sizeof *src; for (i = 0; i < (m->m_len / sizeof(uint16_t) + 1); i++) *dst++ = *src++; m->m_data -= TXP_RXBUF_ALIGN - ETHER_ALIGN; } #endif static int txp_rx_reclaim(struct txp_softc *sc, struct txp_rx_ring *r, int count) { struct ifnet *ifp; struct txp_rx_desc *rxd; struct mbuf *m; struct txp_rx_swdesc *sd; uint32_t roff, woff, rx_stat, prog; TXP_LOCK_ASSERT(sc); ifp = sc->sc_ifp; bus_dmamap_sync(r->r_tag, r->r_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); roff = le32toh(*r->r_roff); woff = le32toh(*r->r_woff); rxd = r->r_desc + roff / sizeof(struct txp_rx_desc); for (prog = 0; roff != woff; prog++, count--) { if (count <= 0) break; bcopy((u_long *)&rxd->rx_vaddrlo, &sd, sizeof(sd)); KASSERT(sd != NULL, ("%s: Rx desc ring corrupted", __func__)); bus_dmamap_sync(sc->sc_cdata.txp_rx_tag, sd->sd_map, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(sc->sc_cdata.txp_rx_tag, sd->sd_map); m = sd->sd_mbuf; KASSERT(m != NULL, ("%s: Rx buffer ring corrupted", __func__)); sd->sd_mbuf = NULL; TAILQ_REMOVE(&sc->sc_busy_list, sd, sd_next); TAILQ_INSERT_TAIL(&sc->sc_free_list, sd, sd_next); if ((rxd->rx_flags & RX_FLAGS_ERROR) != 0) { if (bootverbose) device_printf(sc->sc_dev, "Rx error %u\n", le32toh(rxd->rx_stat) & RX_ERROR_MASK); m_freem(m); goto next; } m->m_pkthdr.len = m->m_len = le16toh(rxd->rx_len); m->m_pkthdr.rcvif = ifp; #ifndef __NO_STRICT_ALIGNMENT txp_fixup_rx(m); #endif rx_stat = le32toh(rxd->rx_stat); if ((ifp->if_capenable & IFCAP_RXCSUM) != 0) { if ((rx_stat & RX_STAT_IPCKSUMBAD) != 0) m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED; else if ((rx_stat & RX_STAT_IPCKSUMGOOD) != 0) m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED|CSUM_IP_VALID; if ((rx_stat & RX_STAT_TCPCKSUMGOOD) != 0 || (rx_stat & RX_STAT_UDPCKSUMGOOD) != 0) { m->m_pkthdr.csum_flags |= CSUM_DATA_VALID | CSUM_PSEUDO_HDR; m->m_pkthdr.csum_data = 0xffff; } } /* * XXX * Typhoon has a firmware bug that VLAN tag is always * stripped out even if it is told to not remove the tag. * Therefore don't check if_capenable here. */ if (/* (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0 && */ (rx_stat & RX_STAT_VLAN) != 0) { m->m_pkthdr.ether_vtag = bswap16((le32toh(rxd->rx_vlan) >> 16)); m->m_flags |= M_VLANTAG; } TXP_UNLOCK(sc); (*ifp->if_input)(ifp, m); TXP_LOCK(sc); next: roff += sizeof(struct txp_rx_desc); if (roff == (RX_ENTRIES * sizeof(struct txp_rx_desc))) { roff = 0; rxd = r->r_desc; } else rxd++; prog++; } if (prog == 0) return (0); bus_dmamap_sync(r->r_tag, r->r_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); *r->r_roff = le32toh(roff); return (count > 0 ? 0 : EAGAIN); } static void txp_rxbuf_reclaim(struct txp_softc *sc) { struct txp_hostvar *hv; struct txp_rxbuf_desc *rbd; struct txp_rx_swdesc *sd; bus_dma_segment_t segs[1]; int nsegs, prod, prog; uint32_t cons; TXP_LOCK_ASSERT(sc); hv = sc->sc_hostvar; cons = TXP_OFFSET2IDX(le32toh(hv->hv_rx_buf_read_idx)); prod = sc->sc_rxbufprod; TXP_DESC_INC(prod, RXBUF_ENTRIES); if (prod == cons) return; bus_dmamap_sync(sc->sc_cdata.txp_rxbufs_tag, sc->sc_cdata.txp_rxbufs_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); for (prog = 0; prod != cons; prog++) { sd = TAILQ_FIRST(&sc->sc_free_list); if (sd == NULL) break; rbd = sc->sc_rxbufs + prod; bcopy((u_long *)&rbd->rb_vaddrlo, &sd, sizeof(sd)); sd->sd_mbuf = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); if (sd->sd_mbuf == NULL) break; sd->sd_mbuf->m_pkthdr.len = sd->sd_mbuf->m_len = MCLBYTES; #ifndef __NO_STRICT_ALIGNMENT m_adj(sd->sd_mbuf, TXP_RXBUF_ALIGN); #endif if (bus_dmamap_load_mbuf_sg(sc->sc_cdata.txp_rx_tag, sd->sd_map, sd->sd_mbuf, segs, &nsegs, 0) != 0) { m_freem(sd->sd_mbuf); sd->sd_mbuf = NULL; break; } KASSERT(nsegs == 1, ("%s : %d segments returned!", __func__, nsegs)); TAILQ_REMOVE(&sc->sc_free_list, sd, sd_next); TAILQ_INSERT_TAIL(&sc->sc_busy_list, sd, sd_next); bus_dmamap_sync(sc->sc_cdata.txp_rx_tag, sd->sd_map, BUS_DMASYNC_PREREAD); rbd->rb_paddrlo = htole32(TXP_ADDR_LO(segs[0].ds_addr)); rbd->rb_paddrhi = htole32(TXP_ADDR_HI(segs[0].ds_addr)); TXP_DESC_INC(prod, RXBUF_ENTRIES); } if (prog == 0) return; bus_dmamap_sync(sc->sc_cdata.txp_rxbufs_tag, sc->sc_cdata.txp_rxbufs_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); prod = (prod + RXBUF_ENTRIES - 1) % RXBUF_ENTRIES; sc->sc_rxbufprod = prod; hv->hv_rx_buf_write_idx = htole32(TXP_IDX2OFFSET(prod)); } /* * Reclaim mbufs and entries from a transmit ring. */ static void txp_tx_reclaim(struct txp_softc *sc, struct txp_tx_ring *r) { struct ifnet *ifp; uint32_t idx; uint32_t cons, cnt; struct txp_tx_desc *txd; struct txp_swdesc *sd; TXP_LOCK_ASSERT(sc); bus_dmamap_sync(r->r_tag, r->r_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); ifp = sc->sc_ifp; idx = TXP_OFFSET2IDX(le32toh(*(r->r_off))); cons = r->r_cons; cnt = r->r_cnt; txd = r->r_desc + cons; sd = sc->sc_txd + cons; for (cnt = r->r_cnt; cons != idx && cnt > 0; cnt--) { if ((txd->tx_flags & TX_FLAGS_TYPE_M) == TX_FLAGS_TYPE_DATA) { if (sd->sd_mbuf != NULL) { bus_dmamap_sync(sc->sc_cdata.txp_tx_tag, sd->sd_map, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->sc_cdata.txp_tx_tag, sd->sd_map); m_freem(sd->sd_mbuf); sd->sd_mbuf = NULL; txd->tx_addrlo = 0; txd->tx_addrhi = 0; txd->tx_flags = 0; } } ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; if (++cons == TX_ENTRIES) { txd = r->r_desc; cons = 0; sd = sc->sc_txd; } else { txd++; sd++; } } bus_dmamap_sync(r->r_tag, r->r_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); r->r_cons = cons; r->r_cnt = cnt; if (cnt == 0) sc->sc_watchdog_timer = 0; } static int txp_shutdown(device_t dev) { return (txp_suspend(dev)); } static int txp_suspend(device_t dev) { struct txp_softc *sc; struct ifnet *ifp; uint8_t *eaddr; uint16_t p1; uint32_t p2; int pmc; uint16_t pmstat; sc = device_get_softc(dev); TXP_LOCK(sc); ifp = sc->sc_ifp; txp_stop(sc); txp_init_rings(sc); /* Reset controller and make it reload sleep image. */ txp_reset(sc); /* Let controller boot from sleep image. */ if (txp_boot(sc, STAT_WAITING_FOR_HOST_REQUEST) != 0) device_printf(sc->sc_dev, "couldn't boot sleep image\n"); /* Set station address. */ eaddr = IF_LLADDR(sc->sc_ifp); p1 = 0; ((uint8_t *)&p1)[1] = eaddr[0]; ((uint8_t *)&p1)[0] = eaddr[1]; p1 = le16toh(p1); ((uint8_t *)&p2)[3] = eaddr[2]; ((uint8_t *)&p2)[2] = eaddr[3]; ((uint8_t *)&p2)[1] = eaddr[4]; ((uint8_t *)&p2)[0] = eaddr[5]; p2 = le32toh(p2); txp_command(sc, TXP_CMD_STATION_ADDRESS_WRITE, p1, p2, 0, NULL, NULL, NULL, TXP_CMD_WAIT); txp_set_filter(sc); WRITE_REG(sc, TXP_IER, TXP_INTR_NONE); WRITE_REG(sc, TXP_IMR, TXP_INTR_ALL); txp_sleep(sc, sc->sc_ifp->if_capenable); if (pci_find_extcap(sc->sc_dev, PCIY_PMG, &pmc) == 0) { /* Request PME. */ pmstat = pci_read_config(sc->sc_dev, pmc + PCIR_POWER_STATUS, 2); pmstat &= ~(PCIM_PSTAT_PME | PCIM_PSTAT_PMEENABLE); if ((ifp->if_capenable & IFCAP_WOL) != 0) pmstat |= PCIM_PSTAT_PME | PCIM_PSTAT_PMEENABLE; pci_write_config(sc->sc_dev, pmc + PCIR_POWER_STATUS, pmstat, 2); } TXP_UNLOCK(sc); return (0); } static int txp_resume(device_t dev) { struct txp_softc *sc; int pmc; uint16_t pmstat; sc = device_get_softc(dev); TXP_LOCK(sc); if (pci_find_extcap(sc->sc_dev, PCIY_PMG, &pmc) == 0) { /* Disable PME and clear PME status. */ pmstat = pci_read_config(sc->sc_dev, pmc + PCIR_POWER_STATUS, 2); if ((pmstat & PCIM_PSTAT_PMEENABLE) != 0) { pmstat &= ~PCIM_PSTAT_PMEENABLE; pci_write_config(sc->sc_dev, pmc + PCIR_POWER_STATUS, pmstat, 2); } } if ((sc->sc_ifp->if_flags & IFF_UP) != 0) txp_init_locked(sc); TXP_UNLOCK(sc); return (0); } struct txp_dmamap_arg { bus_addr_t txp_busaddr; }; static void txp_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) { struct txp_dmamap_arg *ctx; if (error != 0) return; KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs)); ctx = (struct txp_dmamap_arg *)arg; ctx->txp_busaddr = segs[0].ds_addr; } static int txp_dma_alloc(struct txp_softc *sc, char *type, bus_dma_tag_t *tag, bus_size_t alignment, bus_size_t boundary, bus_dmamap_t *map, void **buf, bus_size_t size, bus_addr_t *paddr) { struct txp_dmamap_arg ctx; int error; /* Create DMA block tag. */ error = bus_dma_tag_create( sc->sc_cdata.txp_parent_tag, /* parent */ alignment, boundary, /* algnmnt, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ size, /* maxsize */ 1, /* nsegments */ size, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ tag); if (error != 0) { device_printf(sc->sc_dev, "could not create DMA tag for %s.\n", type); return (error); } *paddr = 0; /* Allocate DMA'able memory and load the DMA map. */ error = bus_dmamem_alloc(*tag, buf, BUS_DMA_WAITOK | BUS_DMA_ZERO | BUS_DMA_COHERENT, map); if (error != 0) { device_printf(sc->sc_dev, "could not allocate DMA'able memory for %s.\n", type); return (error); } ctx.txp_busaddr = 0; error = bus_dmamap_load(*tag, *map, *(uint8_t **)buf, size, txp_dmamap_cb, &ctx, BUS_DMA_NOWAIT); if (error != 0 || ctx.txp_busaddr == 0) { device_printf(sc->sc_dev, "could not load DMA'able memory for %s.\n", type); return (error); } *paddr = ctx.txp_busaddr; return (0); } static void txp_dma_free(struct txp_softc *sc, bus_dma_tag_t *tag, bus_dmamap_t *map, void **buf) { if (*tag != NULL) { if (*map != NULL) bus_dmamap_unload(*tag, *map); if (*map != NULL && buf != NULL) bus_dmamem_free(*tag, *(uint8_t **)buf, *map); *(uint8_t **)buf = NULL; *map = NULL; bus_dma_tag_destroy(*tag); *tag = NULL; } } static int txp_alloc_rings(struct txp_softc *sc) { struct txp_boot_record *boot; struct txp_ldata *ld; struct txp_swdesc *txd; struct txp_rxbuf_desc *rbd; struct txp_rx_swdesc *sd; int error, i; ld = &sc->sc_ldata; boot = ld->txp_boot; /* boot record */ sc->sc_boot = boot; /* * Create parent ring/DMA block tag. * Data sheet says that all ring addresses and descriptors * support 64bits addressing. However the controller is * known to have no support DAC so limit DMA address space * to 32bits. */ error = bus_dma_tag_create( bus_get_dma_tag(sc->sc_dev), /* parent */ 1, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 0, /* nsegments */ BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc->sc_cdata.txp_parent_tag); if (error != 0) { device_printf(sc->sc_dev, "could not create parent DMA tag.\n"); return (error); } /* Boot record. */ error = txp_dma_alloc(sc, "boot record", &sc->sc_cdata.txp_boot_tag, sizeof(uint32_t), 0, &sc->sc_cdata.txp_boot_map, (void **)&sc->sc_ldata.txp_boot, sizeof(struct txp_boot_record), &sc->sc_ldata.txp_boot_paddr); if (error != 0) return (error); boot = sc->sc_ldata.txp_boot; sc->sc_boot = boot; /* Host variables. */ error = txp_dma_alloc(sc, "host variables", &sc->sc_cdata.txp_hostvar_tag, sizeof(uint32_t), 0, &sc->sc_cdata.txp_hostvar_map, (void **)&sc->sc_ldata.txp_hostvar, sizeof(struct txp_hostvar), &sc->sc_ldata.txp_hostvar_paddr); if (error != 0) return (error); boot->br_hostvar_lo = htole32(TXP_ADDR_LO(sc->sc_ldata.txp_hostvar_paddr)); boot->br_hostvar_hi = htole32(TXP_ADDR_HI(sc->sc_ldata.txp_hostvar_paddr)); sc->sc_hostvar = sc->sc_ldata.txp_hostvar; /* Hi priority tx ring. */ error = txp_dma_alloc(sc, "hi priority tx ring", &sc->sc_cdata.txp_txhiring_tag, sizeof(struct txp_tx_desc), 0, &sc->sc_cdata.txp_txhiring_map, (void **)&sc->sc_ldata.txp_txhiring, sizeof(struct txp_tx_desc) * TX_ENTRIES, &sc->sc_ldata.txp_txhiring_paddr); if (error != 0) return (error); boot->br_txhipri_lo = htole32(TXP_ADDR_LO(sc->sc_ldata.txp_txhiring_paddr)); boot->br_txhipri_hi = htole32(TXP_ADDR_HI(sc->sc_ldata.txp_txhiring_paddr)); boot->br_txhipri_siz = htole32(TX_ENTRIES * sizeof(struct txp_tx_desc)); sc->sc_txhir.r_tag = sc->sc_cdata.txp_txhiring_tag; sc->sc_txhir.r_map = sc->sc_cdata.txp_txhiring_map; sc->sc_txhir.r_reg = TXP_H2A_1; sc->sc_txhir.r_desc = sc->sc_ldata.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; /* Low priority tx ring. */ error = txp_dma_alloc(sc, "low priority tx ring", &sc->sc_cdata.txp_txloring_tag, sizeof(struct txp_tx_desc), 0, &sc->sc_cdata.txp_txloring_map, (void **)&sc->sc_ldata.txp_txloring, sizeof(struct txp_tx_desc) * TX_ENTRIES, &sc->sc_ldata.txp_txloring_paddr); if (error != 0) return (error); boot->br_txlopri_lo = htole32(TXP_ADDR_LO(sc->sc_ldata.txp_txloring_paddr)); boot->br_txlopri_hi = htole32(TXP_ADDR_HI(sc->sc_ldata.txp_txloring_paddr)); boot->br_txlopri_siz = htole32(TX_ENTRIES * sizeof(struct txp_tx_desc)); sc->sc_txlor.r_tag = sc->sc_cdata.txp_txloring_tag; sc->sc_txlor.r_map = sc->sc_cdata.txp_txloring_map; sc->sc_txlor.r_reg = TXP_H2A_3; sc->sc_txlor.r_desc = sc->sc_ldata.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. */ error = txp_dma_alloc(sc, "hi priority rx ring", &sc->sc_cdata.txp_rxhiring_tag, sizeof(struct txp_rx_desc), 0, &sc->sc_cdata.txp_rxhiring_map, (void **)&sc->sc_ldata.txp_rxhiring, sizeof(struct txp_rx_desc) * RX_ENTRIES, &sc->sc_ldata.txp_rxhiring_paddr); if (error != 0) return (error); boot->br_rxhipri_lo = htole32(TXP_ADDR_LO(sc->sc_ldata.txp_rxhiring_paddr)); boot->br_rxhipri_hi = htole32(TXP_ADDR_HI(sc->sc_ldata.txp_rxhiring_paddr)); boot->br_rxhipri_siz = htole32(RX_ENTRIES * sizeof(struct txp_rx_desc)); sc->sc_rxhir.r_tag = sc->sc_cdata.txp_rxhiring_tag; sc->sc_rxhir.r_map = sc->sc_cdata.txp_rxhiring_map; sc->sc_rxhir.r_desc = sc->sc_ldata.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. */ error = txp_dma_alloc(sc, "low priority rx ring", &sc->sc_cdata.txp_rxloring_tag, sizeof(struct txp_rx_desc), 0, &sc->sc_cdata.txp_rxloring_map, (void **)&sc->sc_ldata.txp_rxloring, sizeof(struct txp_rx_desc) * RX_ENTRIES, &sc->sc_ldata.txp_rxloring_paddr); if (error != 0) return (error); boot->br_rxlopri_lo = htole32(TXP_ADDR_LO(sc->sc_ldata.txp_rxloring_paddr)); boot->br_rxlopri_hi = htole32(TXP_ADDR_HI(sc->sc_ldata.txp_rxloring_paddr)); boot->br_rxlopri_siz = htole32(RX_ENTRIES * sizeof(struct txp_rx_desc)); sc->sc_rxlor.r_tag = sc->sc_cdata.txp_rxloring_tag; sc->sc_rxlor.r_map = sc->sc_cdata.txp_rxloring_map; sc->sc_rxlor.r_desc = sc->sc_ldata.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. */ error = txp_dma_alloc(sc, "command ring", &sc->sc_cdata.txp_cmdring_tag, sizeof(struct txp_cmd_desc), 0, &sc->sc_cdata.txp_cmdring_map, (void **)&sc->sc_ldata.txp_cmdring, sizeof(struct txp_cmd_desc) * CMD_ENTRIES, &sc->sc_ldata.txp_cmdring_paddr); if (error != 0) return (error); boot->br_cmd_lo = htole32(TXP_ADDR_LO(sc->sc_ldata.txp_cmdring_paddr)); boot->br_cmd_hi = htole32(TXP_ADDR_HI(sc->sc_ldata.txp_cmdring_paddr)); boot->br_cmd_siz = htole32(CMD_ENTRIES * sizeof(struct txp_cmd_desc)); sc->sc_cmdring.base = sc->sc_ldata.txp_cmdring; sc->sc_cmdring.size = CMD_ENTRIES * sizeof(struct txp_cmd_desc); sc->sc_cmdring.lastwrite = 0; /* Response ring. */ error = txp_dma_alloc(sc, "response ring", &sc->sc_cdata.txp_rspring_tag, sizeof(struct txp_rsp_desc), 0, &sc->sc_cdata.txp_rspring_map, (void **)&sc->sc_ldata.txp_rspring, sizeof(struct txp_rsp_desc) * RSP_ENTRIES, &sc->sc_ldata.txp_rspring_paddr); if (error != 0) return (error); boot->br_resp_lo = htole32(TXP_ADDR_LO(sc->sc_ldata.txp_rspring_paddr)); boot->br_resp_hi = htole32(TXP_ADDR_HI(sc->sc_ldata.txp_rspring_paddr)); boot->br_resp_siz = htole32(RSP_ENTRIES * sizeof(struct txp_rsp_desc)); sc->sc_rspring.base = sc->sc_ldata.txp_rspring; sc->sc_rspring.size = RSP_ENTRIES * sizeof(struct txp_rsp_desc); sc->sc_rspring.lastwrite = 0; /* Receive buffer ring. */ error = txp_dma_alloc(sc, "receive buffer ring", &sc->sc_cdata.txp_rxbufs_tag, sizeof(struct txp_rxbuf_desc), 0, &sc->sc_cdata.txp_rxbufs_map, (void **)&sc->sc_ldata.txp_rxbufs, sizeof(struct txp_rxbuf_desc) * RXBUF_ENTRIES, &sc->sc_ldata.txp_rxbufs_paddr); if (error != 0) return (error); boot->br_rxbuf_lo = htole32(TXP_ADDR_LO(sc->sc_ldata.txp_rxbufs_paddr)); boot->br_rxbuf_hi = htole32(TXP_ADDR_HI(sc->sc_ldata.txp_rxbufs_paddr)); boot->br_rxbuf_siz = htole32(RXBUF_ENTRIES * sizeof(struct txp_rxbuf_desc)); sc->sc_rxbufs = sc->sc_ldata.txp_rxbufs; /* Zero ring. */ error = txp_dma_alloc(sc, "zero buffer", &sc->sc_cdata.txp_zero_tag, sizeof(uint32_t), 0, &sc->sc_cdata.txp_zero_map, (void **)&sc->sc_ldata.txp_zero, sizeof(uint32_t), &sc->sc_ldata.txp_zero_paddr); if (error != 0) return (error); boot->br_zero_lo = htole32(TXP_ADDR_LO(sc->sc_ldata.txp_zero_paddr)); boot->br_zero_hi = htole32(TXP_ADDR_HI(sc->sc_ldata.txp_zero_paddr)); bus_dmamap_sync(sc->sc_cdata.txp_boot_tag, sc->sc_cdata.txp_boot_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); /* Create Tx buffers. */ error = bus_dma_tag_create( sc->sc_cdata.txp_parent_tag, /* parent */ 1, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MCLBYTES * TXP_MAXTXSEGS, /* maxsize */ TXP_MAXTXSEGS, /* nsegments */ MCLBYTES, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc->sc_cdata.txp_tx_tag); if (error != 0) { device_printf(sc->sc_dev, "could not create Tx DMA tag.\n"); goto fail; } /* Create tag for Rx buffers. */ error = bus_dma_tag_create( sc->sc_cdata.txp_parent_tag, /* parent */ TXP_RXBUF_ALIGN, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MCLBYTES, /* maxsize */ 1, /* nsegments */ MCLBYTES, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc->sc_cdata.txp_rx_tag); if (error != 0) { device_printf(sc->sc_dev, "could not create Rx DMA tag.\n"); goto fail; } /* Create DMA maps for Tx buffers. */ for (i = 0; i < TX_ENTRIES; i++) { txd = &sc->sc_txd[i]; txd->sd_mbuf = NULL; txd->sd_map = NULL; error = bus_dmamap_create(sc->sc_cdata.txp_tx_tag, 0, &txd->sd_map); if (error != 0) { device_printf(sc->sc_dev, "could not create Tx dmamap.\n"); goto fail; } } /* Create DMA maps for Rx buffers. */ for (i = 0; i < RXBUF_ENTRIES; i++) { sd = malloc(sizeof(struct txp_rx_swdesc), M_DEVBUF, M_NOWAIT | M_ZERO); if (sd == NULL) { error = ENOMEM; goto fail; } /* * The virtual address part of descriptor is not used * by hardware so use that to save an ring entry. We * need bcopy here otherwise the address wouldn't be * valid on big-endian architectures. */ rbd = sc->sc_rxbufs + i; bcopy(&sd, (u_long *)&rbd->rb_vaddrlo, sizeof(sd)); sd->sd_mbuf = NULL; sd->sd_map = NULL; error = bus_dmamap_create(sc->sc_cdata.txp_rx_tag, 0, &sd->sd_map); if (error != 0) { device_printf(sc->sc_dev, "could not create Rx dmamap.\n"); goto fail; } TAILQ_INSERT_TAIL(&sc->sc_free_list, sd, sd_next); } fail: return (error); } static void txp_init_rings(struct txp_softc *sc) { bzero(sc->sc_ldata.txp_hostvar, sizeof(struct txp_hostvar)); bzero(sc->sc_ldata.txp_zero, sizeof(uint32_t)); sc->sc_txhir.r_cons = 0; sc->sc_txhir.r_prod = 0; sc->sc_txhir.r_cnt = 0; sc->sc_txlor.r_cons = 0; sc->sc_txlor.r_prod = 0; sc->sc_txlor.r_cnt = 0; sc->sc_cmdring.lastwrite = 0; sc->sc_rspring.lastwrite = 0; sc->sc_rxbufprod = 0; bus_dmamap_sync(sc->sc_cdata.txp_hostvar_tag, sc->sc_cdata.txp_hostvar_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); } static int txp_wait(struct txp_softc *sc, uint32_t state) { uint32_t reg; int i; for (i = 0; i < TXP_TIMEOUT; i++) { reg = READ_REG(sc, TXP_A2H_0); if (reg == state) break; DELAY(50); } return (i == TXP_TIMEOUT ? ETIMEDOUT : 0); } static void txp_free_rings(struct txp_softc *sc) { struct txp_swdesc *txd; struct txp_rx_swdesc *sd; int i; /* Tx buffers. */ if (sc->sc_cdata.txp_tx_tag != NULL) { for (i = 0; i < TX_ENTRIES; i++) { txd = &sc->sc_txd[i]; if (txd->sd_map != NULL) { bus_dmamap_destroy(sc->sc_cdata.txp_tx_tag, txd->sd_map); txd->sd_map = NULL; } } bus_dma_tag_destroy(sc->sc_cdata.txp_tx_tag); sc->sc_cdata.txp_tx_tag = NULL; } /* Rx buffers. */ if (sc->sc_cdata.txp_rx_tag != NULL) { if (sc->sc_rxbufs != NULL) { KASSERT(TAILQ_FIRST(&sc->sc_busy_list) == NULL, ("%s : still have busy Rx buffers", __func__)); while ((sd = TAILQ_FIRST(&sc->sc_free_list)) != NULL) { TAILQ_REMOVE(&sc->sc_free_list, sd, sd_next); if (sd->sd_map != NULL) { bus_dmamap_destroy( sc->sc_cdata.txp_rx_tag, sd->sd_map); sd->sd_map = NULL; } free(sd, M_DEVBUF); } } bus_dma_tag_destroy(sc->sc_cdata.txp_rx_tag); sc->sc_cdata.txp_rx_tag = NULL; } /* Hi priority Tx ring. */ txp_dma_free(sc, &sc->sc_cdata.txp_txhiring_tag, &sc->sc_cdata.txp_txhiring_map, (void **)&sc->sc_ldata.txp_txhiring); /* Low priority Tx ring. */ txp_dma_free(sc, &sc->sc_cdata.txp_txloring_tag, &sc->sc_cdata.txp_txloring_map, (void **)&sc->sc_ldata.txp_txloring); /* Hi priority Rx ring. */ txp_dma_free(sc, &sc->sc_cdata.txp_rxhiring_tag, &sc->sc_cdata.txp_rxhiring_map, (void **)&sc->sc_ldata.txp_rxhiring); /* Low priority Rx ring. */ txp_dma_free(sc, &sc->sc_cdata.txp_rxloring_tag, &sc->sc_cdata.txp_rxloring_map, (void **)&sc->sc_ldata.txp_rxloring); /* Receive buffer ring. */ txp_dma_free(sc, &sc->sc_cdata.txp_rxbufs_tag, &sc->sc_cdata.txp_rxbufs_map, (void **)&sc->sc_ldata.txp_rxbufs); /* Command ring. */ txp_dma_free(sc, &sc->sc_cdata.txp_cmdring_tag, &sc->sc_cdata.txp_cmdring_map, (void **)&sc->sc_ldata.txp_cmdring); /* Response ring. */ txp_dma_free(sc, &sc->sc_cdata.txp_rspring_tag, &sc->sc_cdata.txp_rspring_map, (void **)&sc->sc_ldata.txp_rspring); /* Zero ring. */ txp_dma_free(sc, &sc->sc_cdata.txp_zero_tag, &sc->sc_cdata.txp_zero_map, (void **)&sc->sc_ldata.txp_zero); /* Host variables. */ txp_dma_free(sc, &sc->sc_cdata.txp_hostvar_tag, &sc->sc_cdata.txp_hostvar_map, (void **)&sc->sc_ldata.txp_hostvar); /* Boot record. */ txp_dma_free(sc, &sc->sc_cdata.txp_boot_tag, &sc->sc_cdata.txp_boot_map, (void **)&sc->sc_ldata.txp_boot); if (sc->sc_cdata.txp_parent_tag != NULL) { bus_dma_tag_destroy(sc->sc_cdata.txp_parent_tag); sc->sc_cdata.txp_parent_tag = NULL; } } static int txp_ioctl(struct ifnet *ifp, u_long command, caddr_t data) { struct txp_softc *sc = ifp->if_softc; struct ifreq *ifr = (struct ifreq *)data; int capenable, error = 0, mask; switch(command) { case SIOCSIFFLAGS: TXP_LOCK(sc); if ((ifp->if_flags & IFF_UP) != 0) { if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) { if (((ifp->if_flags ^ sc->sc_if_flags) & (IFF_PROMISC | IFF_ALLMULTI)) != 0) txp_set_filter(sc); } else { if ((sc->sc_flags & TXP_FLAG_DETACH) == 0) txp_init_locked(sc); } } else { if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) txp_stop(sc); } sc->sc_if_flags = ifp->if_flags; TXP_UNLOCK(sc); break; case SIOCADDMULTI: case SIOCDELMULTI: /* * Multicast list has changed; set the hardware * filter accordingly. */ TXP_LOCK(sc); if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) txp_set_filter(sc); TXP_UNLOCK(sc); break; case SIOCSIFCAP: TXP_LOCK(sc); capenable = ifp->if_capenable; mask = ifr->ifr_reqcap ^ ifp->if_capenable; if ((mask & IFCAP_TXCSUM) != 0 && (ifp->if_capabilities & IFCAP_TXCSUM) != 0) { ifp->if_capenable ^= IFCAP_TXCSUM; if ((ifp->if_capenable & IFCAP_TXCSUM) != 0) ifp->if_hwassist |= TXP_CSUM_FEATURES; else ifp->if_hwassist &= ~TXP_CSUM_FEATURES; } if ((mask & IFCAP_RXCSUM) != 0 && (ifp->if_capabilities & IFCAP_RXCSUM) != 0) ifp->if_capenable ^= IFCAP_RXCSUM; if ((mask & IFCAP_WOL_MAGIC) != 0 && (ifp->if_capabilities & IFCAP_WOL_MAGIC) != 0) ifp->if_capenable ^= IFCAP_WOL_MAGIC; if ((mask & IFCAP_VLAN_HWTAGGING) != 0 && (ifp->if_capabilities & IFCAP_VLAN_HWTAGGING) != 0) ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING; if ((mask & IFCAP_VLAN_HWCSUM) != 0 && (ifp->if_capabilities & IFCAP_VLAN_HWCSUM) != 0) ifp->if_capenable ^= IFCAP_VLAN_HWCSUM; if ((ifp->if_capenable & IFCAP_TXCSUM) == 0) ifp->if_capenable &= ~IFCAP_VLAN_HWCSUM; if ((ifp->if_capenable & IFCAP_VLAN_HWTAGGING) == 0) ifp->if_capenable &= ~IFCAP_VLAN_HWCSUM; if (capenable != ifp->if_capenable) txp_set_capabilities(sc); TXP_UNLOCK(sc); VLAN_CAPABILITIES(ifp); break; case SIOCGIFMEDIA: case SIOCSIFMEDIA: error = ifmedia_ioctl(ifp, ifr, &sc->sc_ifmedia, command); break; default: error = ether_ioctl(ifp, command, data); break; } return (error); } static int txp_rxring_fill(struct txp_softc *sc) { struct txp_rxbuf_desc *rbd; struct txp_rx_swdesc *sd; bus_dma_segment_t segs[1]; int error, i, nsegs; TXP_LOCK_ASSERT(sc); bus_dmamap_sync(sc->sc_cdata.txp_rxbufs_tag, sc->sc_cdata.txp_rxbufs_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); for (i = 0; i < RXBUF_ENTRIES; i++) { sd = TAILQ_FIRST(&sc->sc_free_list); if (sd == NULL) return (ENOMEM); rbd = sc->sc_rxbufs + i; bcopy(&sd, (u_long *)&rbd->rb_vaddrlo, sizeof(sd)); KASSERT(sd->sd_mbuf == NULL, ("%s : Rx buffer ring corrupted", __func__)); sd->sd_mbuf = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); if (sd->sd_mbuf == NULL) return (ENOMEM); sd->sd_mbuf->m_pkthdr.len = sd->sd_mbuf->m_len = MCLBYTES; #ifndef __NO_STRICT_ALIGNMENT m_adj(sd->sd_mbuf, TXP_RXBUF_ALIGN); #endif if ((error = bus_dmamap_load_mbuf_sg(sc->sc_cdata.txp_rx_tag, sd->sd_map, sd->sd_mbuf, segs, &nsegs, 0)) != 0) { m_freem(sd->sd_mbuf); sd->sd_mbuf = NULL; return (error); } KASSERT(nsegs == 1, ("%s : %d segments returned!", __func__, nsegs)); TAILQ_REMOVE(&sc->sc_free_list, sd, sd_next); TAILQ_INSERT_TAIL(&sc->sc_busy_list, sd, sd_next); bus_dmamap_sync(sc->sc_cdata.txp_rx_tag, sd->sd_map, BUS_DMASYNC_PREREAD); rbd->rb_paddrlo = htole32(TXP_ADDR_LO(segs[0].ds_addr)); rbd->rb_paddrhi = htole32(TXP_ADDR_HI(segs[0].ds_addr)); } bus_dmamap_sync(sc->sc_cdata.txp_rxbufs_tag, sc->sc_cdata.txp_rxbufs_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); sc->sc_rxbufprod = RXBUF_ENTRIES - 1; sc->sc_hostvar->hv_rx_buf_write_idx = htole32(TXP_IDX2OFFSET(RXBUF_ENTRIES - 1)); return (0); } static void txp_rxring_empty(struct txp_softc *sc) { struct txp_rx_swdesc *sd; int cnt; TXP_LOCK_ASSERT(sc); if (sc->sc_rxbufs == NULL) return; bus_dmamap_sync(sc->sc_cdata.txp_hostvar_tag, sc->sc_cdata.txp_hostvar_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); /* Release allocated Rx buffers. */ cnt = 0; while ((sd = TAILQ_FIRST(&sc->sc_busy_list)) != NULL) { TAILQ_REMOVE(&sc->sc_busy_list, sd, sd_next); KASSERT(sd->sd_mbuf != NULL, ("%s : Rx buffer ring corrupted", __func__)); bus_dmamap_sync(sc->sc_cdata.txp_rx_tag, sd->sd_map, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(sc->sc_cdata.txp_rx_tag, sd->sd_map); m_freem(sd->sd_mbuf); sd->sd_mbuf = NULL; TAILQ_INSERT_TAIL(&sc->sc_free_list, sd, sd_next); cnt++; } } static void txp_init(void *xsc) { struct txp_softc *sc; sc = xsc; TXP_LOCK(sc); txp_init_locked(sc); TXP_UNLOCK(sc); } static void txp_init_locked(struct txp_softc *sc) { struct ifnet *ifp; uint8_t *eaddr; uint16_t p1; uint32_t p2; int error; TXP_LOCK_ASSERT(sc); ifp = sc->sc_ifp; if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) return; /* Initialize ring structure. */ txp_init_rings(sc); /* Wakeup controller. */ WRITE_REG(sc, TXP_H2A_0, TXP_BOOTCMD_WAKEUP); TXP_BARRIER(sc, TXP_H2A_0, 4, BUS_SPACE_BARRIER_WRITE); /* * It seems that earlier NV image can go back to online from * wakeup command but newer ones require controller reset. * So jut reset controller again. */ if (txp_reset(sc) != 0) goto init_fail; /* Download firmware. */ error = txp_download_fw(sc); if (error != 0) { device_printf(sc->sc_dev, "could not download firmware.\n"); goto init_fail; } bus_dmamap_sync(sc->sc_cdata.txp_hostvar_tag, sc->sc_cdata.txp_hostvar_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); if ((error = txp_rxring_fill(sc)) != 0) { device_printf(sc->sc_dev, "no memory for Rx buffers.\n"); goto init_fail; } bus_dmamap_sync(sc->sc_cdata.txp_hostvar_tag, sc->sc_cdata.txp_hostvar_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); if (txp_boot(sc, STAT_WAITING_FOR_BOOT) != 0) { device_printf(sc->sc_dev, "could not boot firmware.\n"); goto init_fail; } /* * Quite contrary to Typhoon T2 software functional specification, * it seems that TXP_CMD_RECV_BUFFER_CONTROL command is not * implemented in the firmware. This means driver should have to * handle misaligned frames on alignment architectures. AFAIK this * is the only controller manufactured by 3Com that has this stupid * bug. 3Com should fix this. */ if (txp_command(sc, TXP_CMD_MAX_PKT_SIZE_WRITE, TXP_MAX_PKTLEN, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT) != 0) goto init_fail; /* Undocumented command(interrupt coalescing disable?) - From Linux. */ if (txp_command(sc, TXP_CMD_FILTER_DEFINE, 0, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT) != 0) goto init_fail; /* Set station address. */ eaddr = IF_LLADDR(sc->sc_ifp); p1 = 0; ((uint8_t *)&p1)[1] = eaddr[0]; ((uint8_t *)&p1)[0] = eaddr[1]; p1 = le16toh(p1); ((uint8_t *)&p2)[3] = eaddr[2]; ((uint8_t *)&p2)[2] = eaddr[3]; ((uint8_t *)&p2)[1] = eaddr[4]; ((uint8_t *)&p2)[0] = eaddr[5]; p2 = le32toh(p2); if (txp_command(sc, TXP_CMD_STATION_ADDRESS_WRITE, p1, p2, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT) != 0) goto init_fail; txp_set_filter(sc); txp_set_capabilities(sc); if (txp_command(sc, TXP_CMD_CLEAR_STATISTICS, 0, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT)) goto init_fail; if (txp_command(sc, TXP_CMD_XCVR_SELECT, sc->sc_xcvr, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT) != 0) goto init_fail; if (txp_command(sc, TXP_CMD_TX_ENABLE, 0, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT) != 0) goto init_fail; if (txp_command(sc, TXP_CMD_RX_ENABLE, 0, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT) != 0) goto init_fail; /* Ack all pending interrupts and enable interrupts. */ WRITE_REG(sc, TXP_ISR, TXP_INTR_ALL); WRITE_REG(sc, TXP_IER, TXP_INTRS); WRITE_REG(sc, TXP_IMR, TXP_INTR_NONE); ifp->if_drv_flags |= IFF_DRV_RUNNING; ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; callout_reset(&sc->sc_tick, hz, txp_tick, sc); return; init_fail: txp_rxring_empty(sc); txp_init_rings(sc); txp_reset(sc); WRITE_REG(sc, TXP_IMR, TXP_INTR_ALL); } static void txp_tick(void *vsc) { struct txp_softc *sc; struct ifnet *ifp; struct txp_rsp_desc *rsp; struct txp_ext_desc *ext; int link; sc = vsc; TXP_LOCK_ASSERT(sc); bus_dmamap_sync(sc->sc_cdata.txp_hostvar_tag, sc->sc_cdata.txp_hostvar_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); txp_rxbuf_reclaim(sc); bus_dmamap_sync(sc->sc_cdata.txp_hostvar_tag, sc->sc_cdata.txp_hostvar_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); ifp = sc->sc_ifp; rsp = NULL; link = sc->sc_flags & TXP_FLAG_LINK; if (txp_ext_command(sc, TXP_CMD_READ_STATISTICS, 0, 0, 0, NULL, 0, &rsp, TXP_CMD_WAIT)) goto out; if (rsp->rsp_numdesc != 6) goto out; txp_stats_update(sc, rsp); if (link == 0 && (sc->sc_flags & TXP_FLAG_LINK) != 0) { ext = (struct txp_ext_desc *)(rsp + 1); /* Update baudrate with resolved speed. */ if ((ext[5].ext_2 & 0x02) != 0) ifp->if_baudrate = IF_Mbps(100); else ifp->if_baudrate = IF_Mbps(10); } out: if (rsp != NULL) free(rsp, M_DEVBUF); txp_watchdog(sc); callout_reset(&sc->sc_tick, hz, txp_tick, sc); } static void txp_start(struct ifnet *ifp) { struct txp_softc *sc; sc = ifp->if_softc; TXP_LOCK(sc); txp_start_locked(ifp); TXP_UNLOCK(sc); } static void txp_start_locked(struct ifnet *ifp) { struct txp_softc *sc; struct mbuf *m_head; int enq; sc = ifp->if_softc; TXP_LOCK_ASSERT(sc); if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != IFF_DRV_RUNNING || (sc->sc_flags & TXP_FLAG_LINK) == 0) return; for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd); ) { IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head); if (m_head == NULL) break; /* * Pack the data into the transmit ring. If we * don't have room, set the OACTIVE flag and wait * for the NIC to drain the ring. * ATM only Hi-ring is used. */ if (txp_encap(sc, &sc->sc_txhir, &m_head)) { if (m_head == NULL) break; IFQ_DRV_PREPEND(&ifp->if_snd, m_head); ifp->if_drv_flags |= IFF_DRV_OACTIVE; break; } /* * If there's a BPF listener, bounce a copy of this frame * to him. */ ETHER_BPF_MTAP(ifp, m_head); /* Send queued frame. */ WRITE_REG(sc, sc->sc_txhir.r_reg, TXP_IDX2OFFSET(sc->sc_txhir.r_prod)); } if (enq > 0) { /* Set a timeout in case the chip goes out to lunch. */ sc->sc_watchdog_timer = TXP_TX_TIMEOUT; } } static int txp_encap(struct txp_softc *sc, struct txp_tx_ring *r, struct mbuf **m_head) { struct txp_tx_desc *first_txd; struct txp_frag_desc *fxd; struct txp_swdesc *sd; struct mbuf *m; bus_dma_segment_t txsegs[TXP_MAXTXSEGS]; int error, i, nsegs; TXP_LOCK_ASSERT(sc); M_ASSERTPKTHDR((*m_head)); m = *m_head; first_txd = r->r_desc + r->r_prod; sd = sc->sc_txd + r->r_prod; error = bus_dmamap_load_mbuf_sg(sc->sc_cdata.txp_tx_tag, sd->sd_map, *m_head, txsegs, &nsegs, 0); if (error == EFBIG) { m = m_collapse(*m_head, M_DONTWAIT, TXP_MAXTXSEGS); if (m == NULL) { m_freem(*m_head); *m_head = NULL; return (ENOMEM); } *m_head = m; error = bus_dmamap_load_mbuf_sg(sc->sc_cdata.txp_tx_tag, sd->sd_map, *m_head, txsegs, &nsegs, 0); if (error != 0) { m_freem(*m_head); *m_head = NULL; return (error); } } else if (error != 0) return (error); if (nsegs == 0) { m_freem(*m_head); *m_head = NULL; return (EIO); } /* Check descriptor overrun. */ if (r->r_cnt + nsegs >= TX_ENTRIES - TXP_TXD_RESERVED) { bus_dmamap_unload(sc->sc_cdata.txp_tx_tag, sd->sd_map); return (ENOBUFS); } bus_dmamap_sync(sc->sc_cdata.txp_tx_tag, sd->sd_map, BUS_DMASYNC_PREWRITE); sd->sd_mbuf = m; first_txd->tx_flags = TX_FLAGS_TYPE_DATA; first_txd->tx_numdesc = 0; first_txd->tx_addrlo = 0; first_txd->tx_addrhi = 0; first_txd->tx_totlen = 0; first_txd->tx_pflags = 0; r->r_cnt++; TXP_DESC_INC(r->r_prod, TX_ENTRIES); /* Configure Tx IP/TCP/UDP checksum offload. */ if ((m->m_pkthdr.csum_flags & CSUM_IP) != 0) first_txd->tx_pflags |= htole32(TX_PFLAGS_IPCKSUM); #ifdef notyet /* XXX firmware bug. */ if ((m->m_pkthdr.csum_flags & CSUM_TCP) != 0) first_txd->tx_pflags |= htole32(TX_PFLAGS_TCPCKSUM); if ((m->m_pkthdr.csum_flags & CSUM_UDP) != 0) first_txd->tx_pflags |= htole32(TX_PFLAGS_UDPCKSUM); #endif /* Configure VLAN hardware tag insertion. */ if ((m->m_flags & M_VLANTAG) != 0) first_txd->tx_pflags |= htole32(TX_PFLAGS_VLAN | TX_PFLAGS_PRIO | (bswap16(m->m_pkthdr.ether_vtag) << TX_PFLAGS_VLANTAG_S)); for (i = 0; i < nsegs; i++) { fxd = (struct txp_frag_desc *)(r->r_desc + r->r_prod); fxd->frag_flags = FRAG_FLAGS_TYPE_FRAG | TX_FLAGS_VALID; fxd->frag_rsvd1 = 0; fxd->frag_len = htole16(txsegs[i].ds_len); fxd->frag_addrhi = htole32(TXP_ADDR_HI(txsegs[i].ds_addr)); fxd->frag_addrlo = htole32(TXP_ADDR_LO(txsegs[i].ds_addr)); fxd->frag_rsvd2 = 0; first_txd->tx_numdesc++; r->r_cnt++; TXP_DESC_INC(r->r_prod, TX_ENTRIES); } /* Lastly set valid flag. */ first_txd->tx_flags |= TX_FLAGS_VALID; /* Sync descriptors. */ bus_dmamap_sync(r->r_tag, r->r_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); return (0); } /* * Handle simple commands sent to the typhoon */ static int txp_command(struct txp_softc *sc, uint16_t id, uint16_t in1, uint32_t in2, uint32_t in3, uint16_t *out1, uint32_t *out2, uint32_t *out3, int wait) { struct txp_rsp_desc *rsp; rsp = NULL; if (txp_ext_command(sc, id, in1, in2, in3, NULL, 0, &rsp, wait) != 0) { device_printf(sc->sc_dev, "command 0x%02x failed\n", id); return (-1); } if (wait == TXP_CMD_NOWAIT) return (0); KASSERT(rsp != NULL, ("rsp is NULL!\n")); if (out1 != NULL) *out1 = le16toh(rsp->rsp_par1); if (out2 != NULL) *out2 = le32toh(rsp->rsp_par2); if (out3 != NULL) *out3 = le32toh(rsp->rsp_par3); free(rsp, M_DEVBUF); return (0); } static int txp_ext_command(struct txp_softc *sc, uint16_t id, uint16_t in1, uint32_t in2, uint32_t in3, struct txp_ext_desc *in_extp, uint8_t in_extn, struct txp_rsp_desc **rspp, int wait) { struct txp_hostvar *hv; struct txp_cmd_desc *cmd; struct txp_ext_desc *ext; uint32_t idx, i; uint16_t seq; int error; error = 0; hv = sc->sc_hostvar; if (txp_cmd_desc_numfree(sc) < (in_extn + 1)) { device_printf(sc->sc_dev, "%s : out of free cmd descriptors for command 0x%02x\n", __func__, id); return (ENOBUFS); } bus_dmamap_sync(sc->sc_cdata.txp_cmdring_tag, sc->sc_cdata.txp_cmdring_map, BUS_DMASYNC_POSTWRITE); idx = sc->sc_cmdring.lastwrite; cmd = (struct txp_cmd_desc *)(((uint8_t *)sc->sc_cmdring.base) + idx); bzero(cmd, sizeof(*cmd)); cmd->cmd_numdesc = in_extn; seq = sc->sc_seq++; cmd->cmd_seq = htole16(seq); cmd->cmd_id = htole16(id); cmd->cmd_par1 = htole16(in1); cmd->cmd_par2 = htole32(in2); cmd->cmd_par3 = htole32(in3); cmd->cmd_flags = CMD_FLAGS_TYPE_CMD | (wait == TXP_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 *)(((uint8_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; bus_dmamap_sync(sc->sc_cdata.txp_cmdring_tag, sc->sc_cdata.txp_cmdring_map, BUS_DMASYNC_PREWRITE); bus_dmamap_sync(sc->sc_cdata.txp_hostvar_tag, sc->sc_cdata.txp_hostvar_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); WRITE_REG(sc, TXP_H2A_2, sc->sc_cmdring.lastwrite); TXP_BARRIER(sc, TXP_H2A_2, 4, BUS_SPACE_BARRIER_WRITE); if (wait == TXP_CMD_NOWAIT) return (0); for (i = 0; i < TXP_TIMEOUT; i++) { bus_dmamap_sync(sc->sc_cdata.txp_hostvar_tag, sc->sc_cdata.txp_hostvar_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); if (le32toh(hv->hv_resp_read_idx) != le32toh(hv->hv_resp_write_idx)) { error = txp_response(sc, id, seq, rspp); bus_dmamap_sync(sc->sc_cdata.txp_hostvar_tag, sc->sc_cdata.txp_hostvar_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); if (error != 0) return (error); if (*rspp != NULL) break; } DELAY(50); } if (i == TXP_TIMEOUT) { device_printf(sc->sc_dev, "command 0x%02x timedout\n", id); error = ETIMEDOUT; } return (error); } static int txp_response(struct txp_softc *sc, uint16_t id, uint16_t seq, struct txp_rsp_desc **rspp) { struct txp_hostvar *hv; struct txp_rsp_desc *rsp; uint32_t ridx; bus_dmamap_sync(sc->sc_cdata.txp_rspring_tag, sc->sc_cdata.txp_rspring_map, BUS_DMASYNC_POSTREAD); hv = sc->sc_hostvar; ridx = le32toh(hv->hv_resp_read_idx); while (ridx != le32toh(hv->hv_resp_write_idx)) { rsp = (struct txp_rsp_desc *)(((uint8_t *)sc->sc_rspring.base) + ridx); if (id == le16toh(rsp->rsp_id) && le16toh(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) { device_printf(sc->sc_dev,"%s : command 0x%02x " "memory allocation failure\n", __func__, id); return (ENOMEM); } txp_rsp_fixup(sc, rsp, *rspp); return (0); } if ((rsp->rsp_flags & RSP_FLAGS_ERROR) != 0) { device_printf(sc->sc_dev, "%s : command 0x%02x response error!\n", __func__, le16toh(rsp->rsp_id)); txp_rsp_fixup(sc, rsp, NULL); ridx = le32toh(hv->hv_resp_read_idx); continue; } /* * The following unsolicited responses are handled during * processing of TXP_CMD_READ_STATISTICS which requires * response. Driver abuses the command to detect media * status change. */ switch (le16toh(rsp->rsp_id)) { case TXP_CMD_CYCLE_STATISTICS: case TXP_CMD_FILTER_DEFINE: break; case TXP_CMD_MEDIA_STATUS_READ: if ((le16toh(rsp->rsp_par1) & 0x0800) == 0) { sc->sc_flags |= TXP_FLAG_LINK; if_link_state_change(sc->sc_ifp, LINK_STATE_UP); } else { sc->sc_flags &= ~TXP_FLAG_LINK; if_link_state_change(sc->sc_ifp, LINK_STATE_DOWN); } break; case TXP_CMD_HELLO_RESPONSE: /* * Driver should repsond to hello message but * TXP_CMD_READ_STATISTICS is issued for every * hz, therefore there is no need to send an * explicit command here. */ device_printf(sc->sc_dev, "%s : hello\n", __func__); break; default: device_printf(sc->sc_dev, "%s : unknown command 0x%02x\n", __func__, le16toh(rsp->rsp_id)); } txp_rsp_fixup(sc, rsp, NULL); ridx = le32toh(hv->hv_resp_read_idx); } return (0); } static void txp_rsp_fixup(struct txp_softc *sc, struct txp_rsp_desc *rsp, struct txp_rsp_desc *dst) { struct txp_rsp_desc *src; struct txp_hostvar *hv; uint32_t i, ridx; src = rsp; hv = sc->sc_hostvar; ridx = le32toh(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 = ridx; } hv->hv_resp_read_idx = htole32(ridx); } static int txp_cmd_desc_numfree(struct txp_softc *sc) { struct txp_hostvar *hv; struct txp_boot_record *br; uint32_t widx, ridx, nfree; bus_dmamap_sync(sc->sc_cdata.txp_hostvar_tag, sc->sc_cdata.txp_hostvar_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); hv = sc->sc_hostvar; br = sc->sc_boot; widx = sc->sc_cmdring.lastwrite; ridx = le32toh(hv->hv_cmd_read_idx); if (widx == ridx) { /* Ring is completely free */ nfree = le32toh(br->br_cmd_siz) - sizeof(struct txp_cmd_desc); } else { if (widx > ridx) nfree = le32toh(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 int txp_sleep(struct txp_softc *sc, int capenable) { uint16_t events; int error; events = 0; if ((capenable & IFCAP_WOL_MAGIC) != 0) events |= 0x01; error = txp_command(sc, TXP_CMD_ENABLE_WAKEUP_EVENTS, events, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT); if (error == 0) { /* Goto sleep. */ error = txp_command(sc, TXP_CMD_GOTO_SLEEP, 0, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT); if (error == 0) { error = txp_wait(sc, STAT_SLEEPING); if (error != 0) device_printf(sc->sc_dev, "unable to enter into sleep\n"); } } return (error); } static void txp_stop(struct txp_softc *sc) { struct ifnet *ifp; TXP_LOCK_ASSERT(sc); ifp = sc->sc_ifp; if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) return; WRITE_REG(sc, TXP_IER, TXP_INTR_NONE); WRITE_REG(sc, TXP_ISR, TXP_INTR_ALL); ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); sc->sc_flags &= ~TXP_FLAG_LINK; callout_stop(&sc->sc_tick); txp_command(sc, TXP_CMD_TX_DISABLE, 0, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT); txp_command(sc, TXP_CMD_RX_DISABLE, 0, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT); /* Save statistics for later use. */ txp_stats_save(sc); /* Halt controller. */ txp_command(sc, TXP_CMD_HALT, 0, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT); if (txp_wait(sc, STAT_HALTED) != 0) device_printf(sc->sc_dev, "controller halt timedout!\n"); /* Reclaim Tx/Rx buffers. */ if (sc->sc_txhir.r_cnt && (sc->sc_txhir.r_cons != TXP_OFFSET2IDX(le32toh(*(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(le32toh(*(sc->sc_txlor.r_off))))) txp_tx_reclaim(sc, &sc->sc_txlor); txp_rxring_empty(sc); txp_init_rings(sc); /* Reset controller and make it reload sleep image. */ txp_reset(sc); /* Let controller boot from sleep image. */ if (txp_boot(sc, STAT_WAITING_FOR_HOST_REQUEST) != 0) device_printf(sc->sc_dev, "could not boot sleep image\n"); txp_sleep(sc, 0); } static void txp_watchdog(struct txp_softc *sc) { struct ifnet *ifp; TXP_LOCK_ASSERT(sc); if (sc->sc_watchdog_timer == 0 || --sc->sc_watchdog_timer) return; ifp = sc->sc_ifp; if_printf(ifp, "watchdog timeout -- resetting\n"); ifp->if_oerrors++; txp_stop(sc); txp_init_locked(sc); } static int txp_ifmedia_upd(struct ifnet *ifp) { struct txp_softc *sc = ifp->if_softc; struct ifmedia *ifm = &sc->sc_ifmedia; uint16_t new_xcvr; TXP_LOCK(sc); if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) { TXP_UNLOCK(sc); 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 { TXP_UNLOCK(sc); return (EINVAL); } /* nothing to do */ if (sc->sc_xcvr == new_xcvr) { TXP_UNLOCK(sc); return (0); } txp_command(sc, TXP_CMD_XCVR_SELECT, new_xcvr, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT); sc->sc_xcvr = new_xcvr; TXP_UNLOCK(sc); return (0); } static void txp_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) { struct txp_softc *sc = ifp->if_softc; struct ifmedia *ifm = &sc->sc_ifmedia; uint16_t bmsr, bmcr, anar, anlpar; ifmr->ifm_status = IFM_AVALID; ifmr->ifm_active = IFM_ETHER; TXP_LOCK(sc); /* Check whether firmware is running. */ if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) goto bail; if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_BMSR, 0, &bmsr, NULL, NULL, TXP_CMD_WAIT)) goto bail; if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_BMSR, 0, &bmsr, NULL, NULL, TXP_CMD_WAIT)) goto bail; if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_BMCR, 0, &bmcr, NULL, NULL, TXP_CMD_WAIT)) goto bail; if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_ANLPAR, 0, &anlpar, NULL, NULL, TXP_CMD_WAIT)) goto bail; if (txp_command(sc, TXP_CMD_PHY_MGMT_READ, 0, MII_ANAR, 0, &anar, NULL, NULL, TXP_CMD_WAIT)) goto bail; TXP_UNLOCK(sc); 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; } anlpar &= anar; if (anlpar & ANLPAR_TX_FD) ifmr->ifm_active |= IFM_100_TX|IFM_FDX; else if (anlpar & ANLPAR_T4) ifmr->ifm_active |= IFM_100_T4; 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: TXP_UNLOCK(sc); ifmr->ifm_active |= IFM_NONE; ifmr->ifm_status &= ~IFM_AVALID; } #ifdef TXP_DEBUG static void txp_show_descriptor(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, le16toh(cmd->cmd_id), le16toh(cmd->cmd_seq), le16toh(cmd->cmd_par1), le32toh(cmd->cmd_par2), le32toh(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, le16toh(rsp->rsp_id), le16toh(rsp->rsp_seq), le16toh(rsp->rsp_par1), le32toh(rsp->rsp_par2), le32toh(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, le16toh(txd->tx_totlen), le32toh(txd->tx_addrlo), le32toh(txd->tx_addrhi), le32toh(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, le16toh(frgd->frag_len), le32toh(frgd->frag_addrlo), le32toh(frgd->frag_addrhi), le32toh(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, le16toh(cmd->cmd_id), le16toh(cmd->cmd_seq), le16toh(cmd->cmd_par1), le32toh(cmd->cmd_par2), le32toh(cmd->cmd_par3)); break; } } #endif static void txp_set_filter(struct txp_softc *sc) { struct ifnet *ifp; uint32_t crc, mchash[2]; uint16_t filter; struct ifmultiaddr *ifma; int mcnt; TXP_LOCK_ASSERT(sc); ifp = sc->sc_ifp; filter = TXP_RXFILT_DIRECT; if ((ifp->if_flags & IFF_BROADCAST) != 0) filter |= TXP_RXFILT_BROADCAST; if ((ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0) { if ((ifp->if_flags & IFF_ALLMULTI) != 0) filter |= TXP_RXFILT_ALLMULTI; if ((ifp->if_flags & IFF_PROMISC) != 0) filter = TXP_RXFILT_PROMISC; goto setit; } mchash[0] = mchash[1] = 0; mcnt = 0; IF_ADDR_LOCK(ifp); TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { if (ifma->ifma_addr->sa_family != AF_LINK) continue; crc = ether_crc32_be(LLADDR((struct sockaddr_dl *) ifma->ifma_addr), ETHER_ADDR_LEN); crc &= 0x3f; mchash[crc >> 5] |= 1 << (crc & 0x1f); mcnt++; } IF_ADDR_UNLOCK(ifp); if (mcnt > 0) { filter |= TXP_RXFILT_HASHMULTI; txp_command(sc, TXP_CMD_MCAST_HASH_MASK_WRITE, 2, mchash[0], mchash[1], NULL, NULL, NULL, TXP_CMD_NOWAIT); } setit: txp_command(sc, TXP_CMD_RX_FILTER_WRITE, filter, 0, 0, NULL, NULL, NULL, TXP_CMD_NOWAIT); } static int txp_set_capabilities(struct txp_softc *sc) { struct ifnet *ifp; uint32_t rxcap, txcap; TXP_LOCK_ASSERT(sc); rxcap = txcap = 0; ifp = sc->sc_ifp; if ((ifp->if_capenable & IFCAP_TXCSUM) != 0) { if ((ifp->if_hwassist & CSUM_IP) != 0) txcap |= OFFLOAD_IPCKSUM; if ((ifp->if_hwassist & CSUM_TCP) != 0) txcap |= OFFLOAD_TCPCKSUM; if ((ifp->if_hwassist & CSUM_UDP) != 0) txcap |= OFFLOAD_UDPCKSUM; rxcap = txcap; } if ((ifp->if_capenable & IFCAP_RXCSUM) == 0) rxcap &= ~(OFFLOAD_IPCKSUM | OFFLOAD_TCPCKSUM | OFFLOAD_UDPCKSUM); if ((ifp->if_capabilities & IFCAP_VLAN_HWTAGGING) != 0) { rxcap |= OFFLOAD_VLAN; txcap |= OFFLOAD_VLAN; } /* Tell firmware new offload configuration. */ return (txp_command(sc, TXP_CMD_OFFLOAD_WRITE, 0, txcap, rxcap, NULL, NULL, NULL, TXP_CMD_NOWAIT)); } static void txp_stats_save(struct txp_softc *sc) { struct txp_rsp_desc *rsp; TXP_LOCK_ASSERT(sc); rsp = NULL; if (txp_ext_command(sc, TXP_CMD_READ_STATISTICS, 0, 0, 0, NULL, 0, &rsp, TXP_CMD_WAIT)) goto out; if (rsp->rsp_numdesc != 6) goto out; txp_stats_update(sc, rsp); out: if (rsp != NULL) free(rsp, M_DEVBUF); bcopy(&sc->sc_stats, &sc->sc_ostats, sizeof(struct txp_hw_stats)); } static void txp_stats_update(struct txp_softc *sc, struct txp_rsp_desc *rsp) { struct ifnet *ifp; struct txp_hw_stats *ostats, *stats; struct txp_ext_desc *ext; TXP_LOCK_ASSERT(sc); ifp = sc->sc_ifp; ext = (struct txp_ext_desc *)(rsp + 1); ostats = &sc->sc_ostats; stats = &sc->sc_stats; stats->tx_frames = ostats->tx_frames + le32toh(rsp->rsp_par2); stats->tx_bytes = ostats->tx_bytes + (uint64_t)le32toh(rsp->rsp_par3) + ((uint64_t)le32toh(ext[0].ext_1) << 32); stats->tx_deferred = ostats->tx_deferred + le32toh(ext[0].ext_2); stats->tx_late_colls = ostats->tx_late_colls + le32toh(ext[0].ext_3); stats->tx_colls = ostats->tx_colls + le32toh(ext[0].ext_4); stats->tx_carrier_lost = ostats->tx_carrier_lost + le32toh(ext[1].ext_1); stats->tx_multi_colls = ostats->tx_multi_colls + le32toh(ext[1].ext_2); stats->tx_excess_colls = ostats->tx_excess_colls + le32toh(ext[1].ext_3); stats->tx_fifo_underruns = ostats->tx_fifo_underruns + le32toh(ext[1].ext_4); stats->tx_mcast_oflows = ostats->tx_mcast_oflows + le32toh(ext[2].ext_1); stats->tx_filtered = ostats->tx_filtered + le32toh(ext[2].ext_2); stats->rx_frames = ostats->rx_frames + le32toh(ext[2].ext_3); stats->rx_bytes = ostats->rx_bytes + (uint64_t)le32toh(ext[2].ext_4) + ((uint64_t)le32toh(ext[3].ext_1) << 32); stats->rx_fifo_oflows = ostats->rx_fifo_oflows + le32toh(ext[3].ext_2); stats->rx_badssd = ostats->rx_badssd + le32toh(ext[3].ext_3); stats->rx_crcerrs = ostats->rx_crcerrs + le32toh(ext[3].ext_4); stats->rx_lenerrs = ostats->rx_lenerrs + le32toh(ext[4].ext_1); stats->rx_bcast_frames = ostats->rx_bcast_frames + le32toh(ext[4].ext_2); stats->rx_mcast_frames = ostats->rx_mcast_frames + le32toh(ext[4].ext_3); stats->rx_oflows = ostats->rx_oflows + le32toh(ext[4].ext_4); stats->rx_filtered = ostats->rx_filtered + le32toh(ext[5].ext_1); ifp->if_ierrors = stats->rx_fifo_oflows + stats->rx_badssd + stats->rx_crcerrs + stats->rx_lenerrs + stats->rx_oflows; ifp->if_oerrors = stats->tx_deferred + stats->tx_carrier_lost + stats->tx_fifo_underruns + stats->tx_mcast_oflows; ifp->if_collisions = stats->tx_late_colls + stats->tx_multi_colls + stats->tx_excess_colls; ifp->if_opackets = stats->tx_frames; ifp->if_ipackets = stats->rx_frames; } #define TXP_SYSCTL_STAT_ADD32(c, h, n, p, d) \ SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d) #if __FreeBSD_version > 800000 #define TXP_SYSCTL_STAT_ADD64(c, h, n, p, d) \ SYSCTL_ADD_QUAD(c, h, OID_AUTO, n, CTLFLAG_RD, p, d) #else #define TXP_SYSCTL_STAT_ADD64(c, h, n, p, d) \ SYSCTL_ADD_ULONG(c, h, OID_AUTO, n, CTLFLAG_RD, p, d) #endif static void txp_sysctl_node(struct txp_softc *sc) { struct sysctl_ctx_list *ctx; struct sysctl_oid_list *child, *parent; struct sysctl_oid *tree; struct txp_hw_stats *stats; int error; stats = &sc->sc_stats; ctx = device_get_sysctl_ctx(sc->sc_dev); child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev)); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "process_limit", CTLTYPE_INT | CTLFLAG_RW, &sc->sc_process_limit, 0, sysctl_hw_txp_proc_limit, "I", "max number of Rx events to process"); /* Pull in device tunables. */ sc->sc_process_limit = TXP_PROC_DEFAULT; error = resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), "process_limit", &sc->sc_process_limit); if (error == 0) { if (sc->sc_process_limit < TXP_PROC_MIN || sc->sc_process_limit > TXP_PROC_MAX) { device_printf(sc->sc_dev, "process_limit value out of range; " "using default: %d\n", TXP_PROC_DEFAULT); sc->sc_process_limit = TXP_PROC_DEFAULT; } } tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD, NULL, "TXP statistics"); parent = SYSCTL_CHILDREN(tree); /* Tx statistics. */ tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "tx", CTLFLAG_RD, NULL, "Tx MAC statistics"); child = SYSCTL_CHILDREN(tree); TXP_SYSCTL_STAT_ADD32(ctx, child, "frames", &stats->tx_frames, "Frames"); TXP_SYSCTL_STAT_ADD64(ctx, child, "octets", &stats->tx_bytes, "Octets"); TXP_SYSCTL_STAT_ADD32(ctx, child, "deferred", &stats->tx_deferred, "Deferred frames"); TXP_SYSCTL_STAT_ADD32(ctx, child, "late_colls", &stats->tx_late_colls, "Late collisions"); TXP_SYSCTL_STAT_ADD32(ctx, child, "colls", &stats->tx_colls, "Collisions"); TXP_SYSCTL_STAT_ADD32(ctx, child, "carrier_lost", &stats->tx_carrier_lost, "Carrier lost"); TXP_SYSCTL_STAT_ADD32(ctx, child, "multi_colls", &stats->tx_multi_colls, "Multiple collisions"); TXP_SYSCTL_STAT_ADD32(ctx, child, "excess_colls", &stats->tx_excess_colls, "Excessive collisions"); TXP_SYSCTL_STAT_ADD32(ctx, child, "fifo_underruns", &stats->tx_fifo_underruns, "FIFO underruns"); TXP_SYSCTL_STAT_ADD32(ctx, child, "mcast_oflows", &stats->tx_mcast_oflows, "Multicast overflows"); TXP_SYSCTL_STAT_ADD32(ctx, child, "filtered", &stats->tx_filtered, "Filtered frames"); /* Rx statistics. */ tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "rx", CTLFLAG_RD, NULL, "Rx MAC statistics"); child = SYSCTL_CHILDREN(tree); TXP_SYSCTL_STAT_ADD32(ctx, child, "frames", &stats->rx_frames, "Frames"); TXP_SYSCTL_STAT_ADD64(ctx, child, "octets", &stats->rx_bytes, "Octets"); TXP_SYSCTL_STAT_ADD32(ctx, child, "fifo_oflows", &stats->rx_fifo_oflows, "FIFO overflows"); TXP_SYSCTL_STAT_ADD32(ctx, child, "badssd", &stats->rx_badssd, "Bad SSD"); TXP_SYSCTL_STAT_ADD32(ctx, child, "crcerrs", &stats->rx_crcerrs, "CRC errors"); TXP_SYSCTL_STAT_ADD32(ctx, child, "lenerrs", &stats->rx_lenerrs, "Length errors"); TXP_SYSCTL_STAT_ADD32(ctx, child, "bcast_frames", &stats->rx_bcast_frames, "Broadcast frames"); TXP_SYSCTL_STAT_ADD32(ctx, child, "mcast_frames", &stats->rx_mcast_frames, "Multicast frames"); TXP_SYSCTL_STAT_ADD32(ctx, child, "oflows", &stats->rx_oflows, "Overflows"); TXP_SYSCTL_STAT_ADD32(ctx, child, "filtered", &stats->rx_filtered, "Filtered frames"); } #undef TXP_SYSCTL_STAT_ADD32 #undef TXP_SYSCTL_STAT_ADD64 static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int low, int high) { int error, value; if (arg1 == NULL) return (EINVAL); value = *(int *)arg1; error = sysctl_handle_int(oidp, &value, 0, req); if (error || req->newptr == NULL) return (error); if (value < low || value > high) return (EINVAL); *(int *)arg1 = value; return (0); } static int sysctl_hw_txp_proc_limit(SYSCTL_HANDLER_ARGS) { return (sysctl_int_range(oidp, arg1, arg2, req, TXP_PROC_MIN, TXP_PROC_MAX)); }